text: /* Copyright 2013 The Chromium OS Authors. All rights reserved.
   * Use of this source code is governed by a BSD-style license that can be
   * found in the LICENSE file.
   */
  
  #include <ctype.h>
  #include <errno.h>
  #include <getopt.h>
  #include <inttypes.h>
  #include <stdint.h>
  #include <stdio.h>
  #include <stdlib.h>
  #include <string.h>
  #include <time.h>
  #include <unistd.h>
  #include <signal.h>
  #include <stdbool.h>
  
  #include "battery.h"
  #include "comm-host.h"
  #include "chipset.h"
  #include "compile_time_macros.h"
  #include "crc.h"
  #include "cros_ec_dev.h"
  #include "ec_panicinfo.h"
  #include "ec_flash.h"
  #include "ec_version.h"
  #include "ectool.h"
  #include "i2c.h"
  #include "lightbar.h"
  #include "lock/gec_lock.h"
  #include "misc_util.h"
  #include "panic.h"
  #include "usb_pd.h"
  
  #include "framework_oem_ec_commands.h"
  
  /* Maximum flash size (16 MB, conservative) */
  #define MAX_FLASH_SIZE 0x1000000
  
  /*
   * Calculate the expected response for a hello ec command.
   */
  #define HELLO_RESP(in_data) ((in_data) + 0x01020304)
  
  /* Command line options */
  enum {
  	OPT_DEV = 1000,
  	OPT_INTERFACE,
  	OPT_NAME,
  	OPT_ASCII,
  	OPT_I2C_BUS,
  };
  
  static struct option long_opts[] = {
  	{"dev", 1, 0, OPT_DEV},
  	{"interface", 1, 0, OPT_INTERFACE},
  	{"name", 1, 0, OPT_NAME},
  	{"ascii", 0, 0, OPT_ASCII},
  	{"i2c_bus", 1, 0, OPT_I2C_BUS},
  	{NULL, 0, 0, 0}
  };
  
  #define GEC_LOCK_TIMEOUT_SECS	30  /* 30 secs */
  
  const char help_str[] =
  	"Commands:\n"
  	"  adcread <channel>\n"
  	"      Read an ADC channel.\n"
  	"  addentropy [reset]\n"
  	"      Add entropy to device secret\n"
  	"  apreset\n"
  	"      Issue AP reset\n"
  	"  autofanctrl <on>\n"
  	"      Turn on automatic fan speed control.\n"
  	"  backlight <enabled>\n"
  	"      Enable/disable LCD backlight\n"
  	"  basestate [attach | detach | reset]\n"
  	"      Manually force base state to attached, detached or reset.\n"
  	"  battery\n"
  	"      Prints battery info\n"
  	"  batterycutoff [at-shutdown]\n"
  	"      Cut off battery output power\n"
  	"  batteryparam\n"
  	"      Read or write board-specific battery parameter\n"
  	"  boardversion\n"
  	"      Prints the board version\n"
  	"  button [vup|vdown|rec] <Delay-ms>\n"
  	"      Simulates button press.\n"
  	"  cbi\n"
  	"      Get/Set/Remove Cros Board Info\n"
  	"  chargecurrentlimit\n"
  	"      Set the maximum battery charging current\n"
  	"  chargecontrol\n"
  	"      Force the battery to stop charging or discharge\n"
  	"  chargeoverride\n"
  	"      Overrides charge port selection logic\n"
  	"  chargestate\n"
  	"      Handle commands related to charge state v2 (and later)\n"
  	"  chipinfo\n"
  	"      Prints chip info\n"
  	"  cmdversions <cmd>\n"
  	"      Prints supported version mask for a command number\n"
  	"  console\n"
  	"      Prints the last output to the EC debug console\n"
  	"  cec\n"
  	"      Read or write CEC messages and settings\n"
  	"  echash [CMDS]\n"
  	"      Various EC hash commands\n"
  	"  eventclear <mask>\n"
  	"      Clears EC host events flags where mask has bits set\n"
  	"  eventclearb <mask>\n"
  	"      Clears EC host events flags copy B where mask has bits set\n"
  	"  eventget\n"
  	"      Prints raw EC host event flags\n"
  	"  eventgetb\n"
  	"      Prints raw EC host event flags copy B\n"
  	"  eventgetscimask\n"
  	"      Prints SCI mask for EC host events\n"
  	"  eventgetsmimask\n"
  	"      Prints SMI mask for EC host events\n"
  	"  eventgetwakemask\n"
  	"      Prints wake mask for EC host events\n"
  	"  eventsetscimask <mask>\n"
  	"      Sets the SCI mask for EC host events\n"
  	"  eventsetsmimask <mask>\n"
  	"      Sets the SMI mask for EC host events\n"
  	"  eventsetwakemask <mask>\n"
  	"      Sets the wake mask for EC host events\n"
  	"  extpwrlimit\n"
  	"      Set the maximum external power limit\n"
  	"  fanduty <percent>\n"
  	"      Forces the fan PWM to a constant duty cycle\n"
  	"  flasherase <offset> <size>\n"
  	"      Erases EC flash\n"
  	"  flasheraseasync <offset> <size>\n"
  	"      Erases EC flash asynchronously\n"
  	"  flashinfo\n"
  	"      Prints information on the EC flash\n"
  	"  flashspiinfo\n"
  	"      Prints information on EC SPI flash, if present\n"
  	"  flashpd <dev_id> <port> <filename>\n"
  	"      Flash commands over PD\n"
  	"  flashprotect [now] [enable | disable]\n"
  	"      Prints or sets EC flash protection state\n"
  	"  flashread <offset> <size> <outfile>\n"
  	"      Reads from EC flash to a file\n"
  	"  flashwrite <offset> <infile>\n"
  	"      Writes to EC flash from a file\n"
  	"  forcelidopen <enable>\n"
  	"      Forces the lid switch to open position\n"
  	"  fpcontext\n"
  	"      Sets the fingerprint sensor context\n"
  	"  fpencstatus\n"
  	"      Prints status of Fingerprint sensor encryption engine\n"
  	"  fpframe\n"
  	"      Retrieve the finger image as a PGM image\n"
  	"  fpinfo\n"
  	"      Prints information about the Fingerprint sensor\n"
  	"  fpmode [mode... [capture_type]]\n"
  	"      Configure/Read the fingerprint sensor current mode\n"
  	"      mode: capture|deepsleep|fingerdown|fingerup|enroll|match|\n"
  	"            reset|reset_sensor|maintenance\n"
  	"      capture_type: vendor|pattern0|pattern1|qual|test_reset\n"
  	"  fpseed\n"
  	"      Sets the value of the TPM seed.\n"
  	"  fpstats\n"
  	"      Prints timing statisitcs relating to capture and matching\n"
  	"  fptemplate [<infile>|<index 0..2>]\n"
  	"      Add a template if <infile> is provided, else dump it\n"
  	"  fwchargelimit [<limit>]\n"
  	"      Set the Framework Laptop's battery charge limit, otherwise query it\n"
  	"  gpioget <GPIO name>\n"
  	"      Get the value of GPIO signal\n"
  	"  gpioset <GPIO name>\n"
  	"      Set the value of GPIO signal\n"
  	"  hangdetect <flags> <event_msec> <reboot_msec> | stop | start\n"
  	"      Configure or start/stop the hang detect timer\n"
  	"  hello\n"
  	"      Checks for basic communication with EC\n"
  	"  hibdelay [sec]\n"
  	"      Set the delay before going into hibernation\n"
  	"  hostsleepstate\n"
  	"      Report host sleep state to the EC\n"
  	"  hostevent\n"
  	"      Get & set host event masks.\n"
  	"  i2cprotect <port> [status]\n"
  	"      Protect EC's I2C bus\n"
  	"  i2cread\n"
  	"      Read I2C bus\n"
  	"  i2cspeed <port> [speed]\n"
  	"      Get or set EC's I2C bus speed\n"
  	"  i2cwrite\n"
  	"      Write I2C bus\n"
  	"  i2cxfer <port> <peripheral_addr> <read_count> [write bytes...]\n"
  	"      Perform I2C transfer on EC's I2C bus\n"
  	"  infopddev <port>\n"
  	"      Get info about USB type-C accessory attached to port\n"
  	"  inventory\n"
  	"      Return the list of supported features\n"
  	"  kbfactorytest\n"
  	"      Scan out keyboard if any pins are shorted\n"
  	"  kbid\n"
  	"      Get keyboard ID of supported keyboards\n"
  	"  kbinfo\n"
  	"      Dump keyboard matrix dimensions\n"
  	"  kbpress\n"
  	"      Simulate key press\n"
  	"  keyscan <beat_us> <filename>\n"
  	"      Test low-level key scanning\n"
  	"  led <name> <query | auto | off | <color> | <color>=<value>...>\n"
  	"      Set the color of an LED or query brightness range\n"
  	"  lightbar [CMDS]\n"
  	"      Various lightbar control commands\n"
  	"  mkbpget <buttons|switches>\n"
  	"      Get MKBP buttons/switches supported mask and current state\n"
  	"  mkbpwakemask <get|set> <event|hostevent> [mask]\n"
  	"      Get or Set the MKBP event wake mask, or host event wake mask\n"
  	"  motionsense [CMDS]\n"
  	"      Various motion sense control commands\n"
  	"  panicinfo\n"
  	"      Prints saved panic info\n"
  	"  pause_in_s5 [on|off]\n"
  	"      Whether or not the AP should pause in S5 on shutdown\n"
  	"  pchg [<port>]\n"
  	"      Get peripheral charge port count and status\n"
  	"  pdcontrol [suspend|resume|reset|disable|on]\n"
  	"      Controls the PD chip\n"
  	"  pdchipinfo <port>\n"
  	"      Get PD chip information\n"
  	"  pdlog\n"
  	"      Prints the PD event log entries\n"
  	"  pdwritelog <type> <port>\n"
  	"      Writes a PD event log of the given <type>\n"
  	"  pdgetmode <port>\n"
  	"      Get All USB-PD alternate SVIDs and modes on <port>\n"
  	"  pdsetmode <port> <svid> <opos>\n"
  	"      Set USB-PD alternate SVID and mode on <port>\n"
  	"  port80flood\n"
  	"      Rapidly write bytes to port 80\n"
  	"  port80read\n"
  	"      Print history of port 80 write\n"
  	"  powerinfo\n"
  	"      Prints power-related information\n"
  	"  protoinfo\n"
  	"       Prints EC host protocol information\n"
  	"  pse\n"
  	"      Get and set PoE PSE port power status\n"
  	"  pstoreinfo\n"
  	"      Prints information on the EC host persistent storage\n"
  	"  pstoreread <offset> <size> <outfile>\n"
  	"      Reads from EC host persistent storage to a file\n"
  	"  pstorewrite <offset> <infile>\n"
  	"      Writes to EC host persistent storage from a file\n"
  	"  pwmgetfanrpm [<index> | all]\n"
  	"      Prints current fan RPM\n"
  	"  pwmgetkblight\n"
  	"      Prints current keyboard backlight percent\n"
  	"  pwmgetnumfans\n"
  	"      Prints the number of fans present\n"
  	"  pwmgetduty\n"
  	"      Prints the current 16 bit duty cycle for given PWM\n"
  	"  pwmsetfanrpm <targetrpm>\n"
  	"      Set target fan RPM\n"
  	"  pwmsetkblight <percent>\n"
  	"      Set keyboard backlight in percent\n"
  	"  pwmsetduty\n"
  	"      Set 16 bit duty cycle of given PWM\n"
  	"  rand <num_bytes>\n"
  	"      generate <num_bytes> of random numbers\n"
  	"  readtest <patternoffset> <size>\n"
  	"      Reads a pattern from the EC via LPC\n"
  	"  reboot_ec <RO|RW|cold|hibernate|hibernate-clear-ap-off|disable-jump|cold-ap-off>"
  			" [at-shutdown|switch-slot]\n"
  	"      Reboot EC to RO or RW\n"
  	"  reboot_ap_on_g3 [<delay>]\n"
  	"      Requests that the EC will automatically reboot the AP after a\n"
  	"      configurable number of seconds the next time we enter the G3\n"
  	"      power state.\n"
  	"  rollbackinfo\n"
  	"      Print rollback block information\n"
  	"  rtcget\n"
  	"      Print real-time clock\n"
  	"  rtcgetalarm\n"
  	"      Print # of seconds before real-time clock alarm goes off.\n"
  	"  rtcset <time>\n"
  	"      Set real-time clock\n"
  	"  rtcsetalarm <sec>\n"
  	"      Set real-time clock alarm to go off in <sec> seconds\n"
  	"  rwhashpd <dev_id> <HASH[0] ... <HASH[4]>\n"
  	"      Set entry in PD MCU's device rw_hash table.\n"
  	"  rwsig <info|dump|action|status> ...\n"
  	"      info: get all info about rwsig\n"
  	"      dump: show individual rwsig field\n"
  	"      action: Control the behavior of RWSIG task.\n"
  	"      status: Run RW signature verification and get status.\n{"
  	"  rwsigaction (DEPRECATED; use \"rwsig action\")\n"
  	"      Control the behavior of RWSIG task.\n"
  	"  rwsigstatus (DEPRECATED; use \"rwsig status\"\n"
  	"      Run RW signature verification and get status.\n"
  	"  sertest\n"
  	"      Serial output test for COM2\n"
  	"  smartdischarge\n"
  	"      Set/Get smart discharge parameters\n"
  	"  stress [reboot] [help]\n"
  	"      Stress test the ec host command interface.\n"
  	"  sysinfo [flags|reset_flags|firmware_copy]\n"
  	"      Display system info.\n"
  	"  switches\n"
  	"      Prints current EC switch positions\n"
  	"  temps <sensorid>\n"
  	"      Print temperature and fan speed\n"
  	"  tempsinfo <sensorid>\n"
  	"      Print temperature sensor info.\n"
  	"  thermalget <platform-specific args>\n"
  	"      Get the threshold temperature values from the thermal engine.\n"
  	"  thermalset <platform-specific args>\n"
  	"      Set the threshold temperature values for the thermal engine.\n"
  	"  tpselftest\n"
  	"      Run touchpad self test.\n"
  	"  tpframeget\n"
  	"      Get touchpad frame data.\n"
  	"  tmp006cal <tmp006_index> [params...]\n"
  	"      Get/set TMP006 calibration\n"
  	"  tmp006raw <tmp006_index>\n"
  	"      Get raw TMP006 data\n"
  	"  typeccontrol <port> <command>\n"
  	"      Control USB PD policy\n"
  	"  typecdiscovery <port> <type>\n"
  	"      Get discovery information for port and type\n"
  	"  typecstatus <port>\n"
  	"      Get status information for port\n"
  	"  uptimeinfo\n"
  	"      Get info about how long the EC has been running and the most\n"
  	"      recent AP resets\n"
  	"  usbchargemode <port> <mode> [<inhibit_charge>]\n"
  	"      Set USB charging mode\n"
  	"  usbmux <mux>\n"
  	"      Set USB mux switch state\n"
  	"  usbpd <port> <auto | "
  			"[toggle|toggle-off|sink|source] [none|usb|dp|dock] "
  			"[dr_swap|pr_swap|vconn_swap]>\n"
  	"      Control USB PD/type-C [deprecated]\n"
  	"  usbpdmuxinfo [tsv]\n"
  	"      Get USB-C SS mux info.\n"
  	"          tsv: Output as tab separated values. Columns are defined "
  			"as:\n"
  	"               Port, USB enabled, DP enabled, Polarity, HPD IRQ, "
  			"HPD LVL\n"
  	"  usbpdpower [port]\n"
  	"      Get USB PD power information\n"
  	"  version\n"
  	"      Prints EC version\n"
  	"  waitevent <type> [<timeout>]\n"
  	"      Wait for the MKBP event of type and display it\n"
  	"  wireless <flags> [<mask> [<suspend_flags> <suspend_mask>]]\n"
  	"      Enable/disable WLAN/Bluetooth radio\n"
  	"";
  
  /* Note: depends on enum ec_image */
  static const char * const image_names[] = {"unknown", "RO", "RW"};
  
  /* Note: depends on enum ec_led_colors */
  static const char * const led_color_names[] = {
  	"red", "green", "blue", "yellow", "white", "amber"};
  BUILD_ASSERT(ARRAY_SIZE(led_color_names) == EC_LED_COLOR_COUNT);
  
  /* Note: depends on enum ec_led_id */
  static const char * const led_names[] = {
  	"battery", "power", "adapter", "left", "right", "recovery_hwreinit",
  	"sysrq debug" };
  BUILD_ASSERT(ARRAY_SIZE(led_names) == EC_LED_ID_COUNT);
  
  /* ASCII mode for printing, default off */
  int ascii_mode;
  
  /* Check SBS numerical value range */
  int is_battery_range(int val)
  {
  	return (val >= 0 && val <= 65535) ? 1 : 0;
  }
  
  int parse_bool(const char *s, int *dest)
  {
  	if (!strcasecmp(s, "off") || !strncasecmp(s, "dis", 3) ||
  	    tolower(*s) == 'f' || tolower(*s) == 'n') {
  		*dest = 0;
  		return 1;
  	} else if (!strcasecmp(s, "on") || !strncasecmp(s, "ena", 3) ||
  	    tolower(*s) == 't' || tolower(*s) == 'y') {
  		*dest = 1;
  		return 1;
  	} else {
  		return 0;
  	}
  }
  
  void print_help(const char *prog, int print_cmds)
  {
  	printf("Usage: %s [--dev=n] [--interface=dev|i2c|lpc] [--i2c_bus=n]",
  	       prog);
  	printf("[--name=cros_ec|cros_fp|cros_pd|cros_scp|cros_ish] [--ascii] ");
  	printf("<command> [params]\n\n");
  	printf("  --i2c_bus=n  Specifies the number of an I2C bus to use. For\n"
  	       "               example, to use /dev/i2c-7, pass --i2c_bus=7.\n"
  	       "               Implies --interface=i2c.\n\n");
  	if (print_cmds)
  		puts(help_str);
  	else
  		printf("Use '%s help' to print a list of commands.\n", prog);
  }
  
  static uint8_t read_mapped_mem8(uint8_t offset)
  {
  	int ret;
  	uint8_t val;
  
  	ret = ec_readmem(offset, sizeof(val), &val);
  	if (ret <= 0) {
  		fprintf(stderr, "failure in %s(): %d\n", __func__, ret);
  		exit(1);
  	}
  	return val;
  }
  
  static uint16_t read_mapped_mem16(uint8_t offset)
  {
  	int ret;
  	uint16_t val;
  
  	ret = ec_readmem(offset, sizeof(val), &val);
  	if (ret <= 0) {
  		fprintf(stderr, "failure in %s(): %d\n", __func__, ret);
  		exit(1);
  	}
  	return val;
  }
  
  static uint32_t read_mapped_mem32(uint8_t offset)
  {
  	int ret;
  	uint32_t val;
  
  	ret = ec_readmem(offset, sizeof(val), &val);
  	if (ret <= 0) {
  		fprintf(stderr, "failure in %s(): %d\n", __func__, ret);
  		exit(1);
  	}
  	return val;
  }
  
  static int read_mapped_string(uint8_t offset, char *buffer, int max_size)
  {
  	int ret;
  
  	ret = ec_readmem(offset, max_size, buffer);
  	if (ret <= 0) {
  		fprintf(stderr, "failure in %s(): %d\n", __func__, ret);
  		exit(1);
  	}
  	return ret;
  }
  
  static int wait_event(long event_type,
  		      struct ec_response_get_next_event_v1 *buffer,
  		      size_t buffer_size, long timeout)
  {
  	int rv;
  
  	rv = ec_pollevent(1 << event_type, buffer, buffer_size, timeout);
  	if (rv == 0) {
  		fprintf(stderr, "Timeout waiting for MKBP event\n");
  		return -ETIMEDOUT;
  	} else if (rv < 0) {
  		perror("Error polling for MKBP event\n");
  		return -EIO;
  	}
  
  	return rv;
  }
  
  int cmd_adc_read(int argc, char *argv[])
  {
  	char *e;
  	struct ec_params_adc_read p;
  	struct ec_response_adc_read r;
  	int rv;
  
  	if (argc < 2) {
  		fprintf(stderr, "Usage: %s <adc channel>\n", argv[0]);
  		return -1;
  	}
  
  	p.adc_channel = (uint8_t)strtoull(argv[1], &e, 0);
  	if (e && *e) {
  		fprintf(stderr, "\"%s\": invalid channel!\n", argv[1]);
  		return -1;
  	}
  
  	rv = ec_command(EC_CMD_ADC_READ, 0, &p, sizeof(p), &r, sizeof(r));
  	if (rv > 0) {
  		printf("%s: %d\n", argv[1], r.adc_value);
  		return 0;
  	}
  
  	return rv;
  }
  
  int cmd_add_entropy(int argc, char *argv[])
  {
  	struct ec_params_rollback_add_entropy p;
  	int rv;
  	int tries = 100; /* Wait for 10 seconds at most */
  
  	if (argc >= 2 && !strcmp(argv[1], "reset"))
  		p.action = ADD_ENTROPY_RESET_ASYNC;
  	else
  		p.action = ADD_ENTROPY_ASYNC;
  
  	rv = ec_command(EC_CMD_ADD_ENTROPY, 0, &p, sizeof(p), NULL, 0);
  
  	if (rv != EC_RES_SUCCESS)
  		goto out;
  
  	while (tries--) {
  		usleep(100000);
  
  		p.action = ADD_ENTROPY_GET_RESULT;
  		rv = ec_command(EC_CMD_ADD_ENTROPY, 0, &p, sizeof(p), NULL, 0);
  
  		if (rv == EC_RES_SUCCESS) {
  			printf("Entropy added successfully\n");
  			return EC_RES_SUCCESS;
  		}
  
  		/* Abort if EC returns an error other than EC_RES_BUSY. */
  		if (rv <= -EECRESULT && rv != -EECRESULT-EC_RES_BUSY)
  			goto out;
  	}
  
  	rv = -EECRESULT-EC_RES_TIMEOUT;
  out:
  	fprintf(stderr, "Failed to add entropy: %d\n", rv);
  	return rv;
  }
  
  int cmd_hello(int argc, char *argv[])
  {
  	struct ec_params_hello p;
  	struct ec_response_hello r;
  	int rv;
  
  	p.in_data = 0xa0b0c0d0;
  
  	rv = ec_command(EC_CMD_HELLO, 0, &p, sizeof(p), &r, sizeof(r));
  	if (rv < 0)
  		return rv;
  
  	if (r.out_data != 0xa1b2c3d4) {
  		fprintf(stderr, "Expected response 0x%08x, got 0x%08x\n",
  			0xa1b2c3d4, r.out_data);
  		return -1;
  	}
  
  	printf("EC says hello!\n");
  	return 0;
  }
  
  int cmd_hibdelay(int argc, char *argv[])
  {
  	struct ec_params_hibernation_delay p;
  	struct ec_response_hibernation_delay r;
  	char *e;
  	int rv;
  
  	if (argc < 2) {
  		p.seconds = 0; /* Just read the current settings. */
  	} else {
  		p.seconds = strtoull(argv[1], &e, 0);
  		if (e && *e) {
  			fprintf(stderr, "invalid number\n");
  			return -1;
  		}
  	}
  
  	rv = ec_command(EC_CMD_HIBERNATION_DELAY, 0, &p, sizeof(p),
  			&r, sizeof(r));
  	if (rv < 0) {
  		fprintf(stderr, "err: rv=%d\n", rv);
  		return -1;
  	}
  
  	printf("Hibernation delay: %u s\n", r.hibernate_delay);
  	printf("Time G3: %u s\n", r.time_g3);
  	printf("Time left: %u s\n", r.time_remaining);
  	return 0;
  }
  
  static void cmd_hostevent_help(char *cmd)
  {
  	fprintf(stderr,
  	"  Usage: %s get <type>\n"
  	"  Usage: %s set <type> <value>\n"
  	"    <type> is one of:\n"
  	"      1: EC_HOST_EVENT_B\n"
  	"      2: EC_HOST_EVENT_SCI_MASK\n"
  	"      3: EC_HOST_EVENT_SMI_MASK\n"
  	"      4: EC_HOST_EVENT_ALWAYS_REPORT_MASK\n"
  	"      5: EC_HOST_EVENT_ACTIVE_WAKE_MASK\n"
  	"      6: EC_HOST_EVENT_LAZY_WAKE_MASK_S0IX\n"
  	"      7: EC_HOST_EVENT_LAZY_WAKE_MASK_S3\n"
  	"      8: EC_HOST_EVENT_LAZY_WAKE_MASK_S5\n"
  		, cmd, cmd);
  }
  
  static int cmd_hostevent(int argc, char *argv[])
  {
  	struct ec_params_host_event p;
  	struct ec_response_host_event r;
  	char *e;
  	int rv;
  
  	if (argc < 2) {
  		fprintf(stderr, "Invalid number of params\n");
  		cmd_hostevent_help(argv[0]);
  		return -1;
  	}
  
  	if (!strcasecmp(argv[1], "get")) {
  		if (argc != 3) {
  			fprintf(stderr, "Invalid number of params\n");
  			cmd_hostevent_help(argv[0]);
  			return -1;
  		}
  		p.action = EC_HOST_EVENT_GET;
  	} else if (!strcasecmp(argv[1], "set")) {
  		if (argc != 4) {
  			fprintf(stderr, "Invalid number of params\n");
  			cmd_hostevent_help(argv[0]);
  			return -1;
  		}
  		p.action = EC_HOST_EVENT_SET;
  		p.value = strtoull(argv[3], &e, 0);
  		if (e && *e) {
  			fprintf(stderr, "Bad value\n");
  			return -1;
  		}
  	} else {
  		fprintf(stderr, "Bad subcommand: %s\n", argv[1]);
  		return -1;
  	}
  
  	p.mask_type = strtol(argv[2], &e, 0);
  	if (e && *e) {
  		fprintf(stderr, "Bad type\n");
  		return -1;
  	}
  
  	rv = ec_command(EC_CMD_HOST_EVENT, 0, &p, sizeof(p), &r, sizeof(r));
  	if (rv == -EC_RES_ACCESS_DENIED - EECRESULT) {
  		fprintf(stderr, "%s isn't permitted for mask %d.\n",
  			p.action == EC_HOST_EVENT_SET ? "Set" : "Get",
  			p.mask_type);
  		return rv;
  	} else if (rv < 0) {
  		return rv;
  	}
  
  	if (p.action == EC_HOST_EVENT_GET)
  		printf("0x%" PRIx64 "\n", r.value);
  
  	return 0;
  }
  
  static int get_latest_cmd_version(uint8_t cmd, int *version)
  {
  	struct ec_params_get_cmd_versions p;
  	struct ec_response_get_cmd_versions r;
  	int rv;
  
  	*version = 0;
  	/* Figure out the latest version of the given command the EC supports */
  	p.cmd = cmd;
  	rv = ec_command(EC_CMD_GET_CMD_VERSIONS, 0, &p, sizeof(p),
  			&r, sizeof(r));
  	if (rv < 0) {
  		if (rv == -EC_RES_INVALID_PARAM)
  			printf("Command 0x%02x not supported by EC.\n",
  					EC_CMD_GET_CMD_VERSIONS);
  		return rv;
  	}
  
  	if (r.version_mask)
  		*version = __fls(r.version_mask);
  
  	return rv;
  }
  
  int cmd_hostsleepstate(int argc, char *argv[])
  {
  	struct ec_params_host_sleep_event p;
  	struct ec_params_host_sleep_event_v1 p1;
  	struct ec_response_host_sleep_event_v1 r;
  	void *pp = &p;
  	size_t psize = sizeof(p), rsize = 0;
  	char *afterscan;
  	int rv;
  	int version = 0, max_version = 0;
  	uint32_t timeout, transitions;
  
  	if (argc < 2) {
  		fprintf(stderr, "Usage: %s "
  			"[suspend|wsuspend|resume|freeze|thaw] [timeout]\n",
  			argv[0]);
  		return -1;
  	}
  
  	rv = get_latest_cmd_version(EC_CMD_HOST_SLEEP_EVENT, &max_version);
  	if (rv < 0)
  		return rv;
  
  	if (!strcmp(argv[1], "suspend"))
  		p.sleep_event = HOST_SLEEP_EVENT_S3_SUSPEND;
  	else if (!strcmp(argv[1], "wsuspend"))
  		p.sleep_event = HOST_SLEEP_EVENT_S3_WAKEABLE_SUSPEND;
  	else if (!strcmp(argv[1], "resume"))
  		p.sleep_event = HOST_SLEEP_EVENT_S3_RESUME;
  	else if (!strcmp(argv[1], "freeze")) {
  		p.sleep_event = HOST_SLEEP_EVENT_S0IX_SUSPEND;
  		if (max_version >= 1) {
  			p1.sleep_event = p.sleep_event;
  			p1.reserved = 0;
  			p1.suspend_params.sleep_timeout_ms =
  				EC_HOST_SLEEP_TIMEOUT_DEFAULT;
  
  			if (argc > 2) {
  				p1.suspend_params.sleep_timeout_ms =
  					strtoull(argv[2], &afterscan, 0);
  
  				if ((*afterscan != '\0') ||
  				    (afterscan == argv[2])) {
  					fprintf(stderr,
  						"Invalid value: %s\n",
  						argv[2]);
  
  					return -1;
  				}
  			}
  
  			pp = &p1;
  			psize = sizeof(p1);
  			version = 1;
  		}
  
  	} else if (!strcmp(argv[1], "thaw")) {
  		p.sleep_event = HOST_SLEEP_EVENT_S0IX_RESUME;
  		if (max_version >= 1) {
  			version = 1;
  			rsize = sizeof(r);
  		}
  	} else {
  		fprintf(stderr, "Unknown command: %s\n", argv[1]);
  		return -1;
  	}
  
  	rv = ec_command(EC_CMD_HOST_SLEEP_EVENT, version, pp, psize, &r, rsize);
  	if (rv < 0) {
  		fprintf(stderr, "EC host sleep command failed: %d\n", rv);
  		return rv;
  	}
  
  	if (rsize) {
  		timeout = r.resume_response.sleep_transitions &
  			  EC_HOST_RESUME_SLEEP_TIMEOUT;
  
  		transitions = r.resume_response.sleep_transitions &
  			      EC_HOST_RESUME_SLEEP_TRANSITIONS_MASK;
  
  		printf("%s%d sleep line transitions.\n",
  		       timeout ? "Timeout: " : "",
  		       transitions);
  	}
  
  	return 0;
  }
  
  int cmd_test(int argc, char *argv[])
  {
  	struct ec_params_test_protocol p = {
  		.buf = { 1,  2,  3,  4,  5,  6,  7,  8,  9,  10, 11,
  			 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22,
  			 23, 24, 25, 26, 27, 28, 29, 30, 31, 32 }
  	};
  	struct ec_response_test_protocol r;
  	int rv, version = 0;
  	char *e;
  
  	if (argc < 3) {
  		fprintf(stderr, "Usage: %s result length [version]\n",
  			argv[0]);
  		return -1;
  	}
  
  	p.ec_result = strtol(argv[1], &e, 0);
  	if (e && *e) {
  		fprintf(stderr, "invalid param (result)\n");
  		return -1;
  	}
  	p.ret_len = strtol(argv[2], &e, 0);
  	if (e && *e) {
  		fprintf(stderr, "invalid param (length)\n");
  		return -1;
  	}
  
  	if (argc > 3) {
  		version = strtol(argv[3], &e, 0);
  		if (e && *e) {
  			fprintf(stderr, "invalid param (version)\n");
  			return -1;
  		}
  	}
  
  	rv = ec_command(EC_CMD_TEST_PROTOCOL, version,
  			&p, sizeof(p), &r, sizeof(r));
  	printf("rv = %d\n", rv);
  
  	return rv;
  }
  
  int cmd_s5(int argc, char *argv[])
  {
  	struct ec_params_get_set_value p;
  	struct ec_params_get_set_value r;
  	int rv, param;
  
  	p.flags = 0;
  
  	if (argc > 1) {
  		p.flags |= EC_GSV_SET;
  		if (!parse_bool(argv[1], &param)) {
  			fprintf(stderr, "invalid arg \"%s\"\n", argv[1]);
  			return -1;
  		}
  		p.value = param;
  	}
  
  	rv = ec_command(EC_CMD_GSV_PAUSE_IN_S5, 0,
  			&p, sizeof(p), &r, sizeof(r));
  	if (rv > 0)
  		printf("%s\n", r.value ? "on" : "off");
  
  	return rv < 0;
  }
  
  static const char * const ec_feature_names[] = {
  	[EC_FEATURE_LIMITED] = "Limited image, load RW for more",
  	[EC_FEATURE_FLASH] = "Flash",
  	[EC_FEATURE_PWM_FAN] = "Direct Fan power management",
  	[EC_FEATURE_PWM_KEYB] = "Keyboard backlight",
  	[EC_FEATURE_LIGHTBAR] = "Lightbar",
  	[EC_FEATURE_LED] = "LED",
  	[EC_FEATURE_MOTION_SENSE] = "Motion Sensors",
  	[EC_FEATURE_KEYB] = "Keyboard",
  	[EC_FEATURE_PSTORE] = "Host Permanent Storage",
  	[EC_FEATURE_PORT80] = "BIOS Port 80h access",
  	[EC_FEATURE_THERMAL] = "Thermal management",
  	[EC_FEATURE_BKLIGHT_SWITCH] = "Switch backlight on/off",
  	[EC_FEATURE_WIFI_SWITCH] = "Switch wifi on/off",
  	[EC_FEATURE_HOST_EVENTS] = "Host event",
  	[EC_FEATURE_GPIO] = "GPIO",
  	[EC_FEATURE_I2C] = "I2C controller",
  	[EC_FEATURE_CHARGER] = "Charger",
  	[EC_FEATURE_BATTERY] = "Simple Battery",
  	[EC_FEATURE_SMART_BATTERY] = "Smart Battery",
  	[EC_FEATURE_HANG_DETECT] = "Host hang detection",
  	[EC_FEATURE_PMU] = "Power Management",
  	[EC_FEATURE_SUB_MCU] = "Control downstream MCU",
  	[EC_FEATURE_USB_PD] = "USB Cros Power Delivery",
  	[EC_FEATURE_USB_MUX] = "USB Multiplexer",
  	[EC_FEATURE_MOTION_SENSE_FIFO] = "FIFO for Motion Sensors events",
  	[EC_FEATURE_VSTORE] = "Temporary secure vstore",
  	[EC_FEATURE_USBC_SS_MUX_VIRTUAL] = "Host-controlled USB-C SS mux",
  	[EC_FEATURE_RTC] = "Real-time clock",
  	[EC_FEATURE_FINGERPRINT] = "Fingerprint",
  	[EC_FEATURE_TOUCHPAD] = "Touchpad",
  	[EC_FEATURE_RWSIG] = "RWSIG task",
  	[EC_FEATURE_DEVICE_EVENT] = "Device events reporting",
  	[EC_FEATURE_UNIFIED_WAKE_MASKS] = "Unified wake masks for LPC/eSPI",
  	[EC_FEATURE_HOST_EVENT64] = "64-bit host events",
  	[EC_FEATURE_EXEC_IN_RAM] = "Execute code in RAM",
  	[EC_FEATURE_CEC] = "Consumer Electronics Control",
  	[EC_FEATURE_MOTION_SENSE_TIGHT_TIMESTAMPS] =
  		"Tight timestamp for sensors events",
  	[EC_FEATURE_REFINED_TABLET_MODE_HYSTERESIS] =
  		"Refined tablet mode hysteresis",
  	[EC_FEATURE_EFS2] = "Early Firmware Selection v2",
  	[EC_FEATURE_ISH] = "Intel Integrated Sensor Hub",
  	[EC_FEATURE_TYPEC_CMD] = "TCPMv2 Type-C commands",
  	[EC_FEATURE_TYPEC_REQUIRE_AP_MODE_ENTRY] =
  		"Host-controlled Type-C mode entry",
  	[EC_FEATURE_TYPEC_MUX_REQUIRE_AP_ACK] =
  		"AP ack for Type-C mux configuration",
  	[EC_FEATURE_S4_RESIDENCY] = "S4 residency",
  };
  
  int cmd_inventory(int argc, char *argv[])
  {
  	struct ec_response_get_features r;
  	int rv, i, j, idx;
  
  	rv = ec_command(EC_CMD_GET_FEATURES, 0, NULL, 0, &r, sizeof(r));
  	if (rv < 0)
  		return rv;
  
  	printf("EC supported features:\n");
  	for (i = 0, idx = 0; i < 2; i++) {
  		for (j = 0; j < 32; j++, idx++) {
  			if (r.flags[i] & BIT(j)) {
  				if (idx >= ARRAY_SIZE(ec_feature_names) ||
  				    !ec_feature_names[idx] ||
  				    strlen(ec_feature_names[idx]) == 0)
  					printf("%-4d: Unknown feature\n", idx);
  				else
  					printf("%-4d: %s support\n",
  					       idx, ec_feature_names[idx]);
  			}
  		}
  	}
  	return 0;
  }
  
  
  int cmd_cmdversions(int argc, char *argv[])
  {
  	struct ec_params_get_cmd_versions p;
  	struct ec_response_get_cmd_versions r;
  	char *e;
  	int cmd;
  	int rv;
  
  	if (argc < 2) {
  		fprintf(stderr, "Usage: %s <cmd>\n", argv[0]);
  		return -1;
  	}
  	cmd = strtol(argv[1], &e, 0);
  	if ((e && *e) || cmd < 0 || cmd > 0xff) {
  		fprintf(stderr, "Bad command number.\n");
  		return -1;
  	}
  
  	p.cmd = cmd;
  	rv = ec_command(EC_CMD_GET_CMD_VERSIONS, 0, &p, sizeof(p),
  			&r, sizeof(r));
  	if (rv < 0) {
  		if (rv == -EC_RES_INVALID_PARAM)
  			printf("Command 0x%02x not supported by EC.\n", cmd);
  
  		return rv;
  	}
  
  	printf("Command 0x%02x supports version mask 0x%08x\n",
  	       cmd, r.version_mask);
  	return 0;
  }
  
  /*
   * Convert a reset cause ID to human-readable string, providing total coverage
   * of the 'cause' space.  The returned string points to static storage and must
   * not be free()ed.
   */
  static const char *reset_cause_to_str(uint16_t cause)
  {
  	static const char * const reset_causes[] = {
  		"(reset unknown)",
  		"reset: board custom",
  		"reset: ap hang detected",
  		"reset: console command",
  		"reset: host command",
  		"reset: keyboard sysreset",
  		"reset: keyboard warm reboot",
  		"reset: debug warm reboot",
  		"reset: at AP's request",
  		"reset: during EC initialization",
  		"reset: AP watchdog",
  	};
  	BUILD_ASSERT(ARRAY_SIZE(reset_causes) == CHIPSET_RESET_COUNT);
  
  	static const char * const shutdown_causes[] = {
  		"shutdown: power failure",
  		"shutdown: during EC initialization",
  		"shutdown: board custom",
  		"shutdown: battery voltage startup inhibit",
  		"shutdown: power wait asserted",
  		"shutdown: critical battery",
  		"shutdown: by console command",
  		"shutdown: entering G3",
  		"shutdown: thermal",
  		"shutdown: power button",
  	};
  	BUILD_ASSERT(ARRAY_SIZE(shutdown_causes) ==
  		     CHIPSET_SHUTDOWN_COUNT - CHIPSET_SHUTDOWN_BEGIN);
  
  	if (cause < CHIPSET_RESET_COUNT)
  		return reset_causes[cause];
  
  	if (cause < CHIPSET_SHUTDOWN_BEGIN)
  		return "(reset unknown)";
  
  	if (cause < CHIPSET_SHUTDOWN_COUNT)
  		return shutdown_causes[cause - CHIPSET_SHUTDOWN_BEGIN];
  
  	return "(shutdown unknown)";
  }
  
  int cmd_uptimeinfo(int argc, char *argv[])
  {
  	struct ec_response_uptime_info r;
  	int rv;
  	int i;
  	int flag_count;
  	uint32_t flag;
  	static const char * const reset_flag_descs[] = {
  		#include "reset_flag_desc.inc"
  	};
  
  	if (argc != 1) {
  		fprintf(stderr, "uptimeinfo takes no arguments");
  		return -1;
  	}
  
  	rv = ec_command(EC_CMD_GET_UPTIME_INFO, 0, NULL, 0, &r, sizeof(r));
  	if (rv < 0) {
  		fprintf(stderr, "ERROR: EC_CMD_GET_UPTIME_INFO failed; %d\n",
  			rv);
  		return rv;
  	}
  
  	printf("EC uptime: %d.%03d seconds\n",
  		r.time_since_ec_boot_ms / 1000,
  		r.time_since_ec_boot_ms % 1000);
  
  	printf("AP resets since EC boot: %d\n", r.ap_resets_since_ec_boot);
  
  	printf("Most recent AP reset causes:\n");
  	for (i = 0; i != ARRAY_SIZE(r.recent_ap_reset); ++i) {
  		if (r.recent_ap_reset[i].reset_time_ms == 0)
  			continue;
  
  		printf("\t%d.%03d: %s\n",
  			r.recent_ap_reset[i].reset_time_ms / 1000,
  			r.recent_ap_reset[i].reset_time_ms % 1000,
  			reset_cause_to_str(r.recent_ap_reset[i].reset_cause));
  	}
  
  	printf("EC reset flags at last EC boot: ");
  
  	if (!r.ec_reset_flags) {
  		printf("unknown\n");
  		return 0;
  	}
  
  	flag_count = 0;
  	for (flag = 0; flag < ARRAY_SIZE(reset_flag_descs); ++flag) {
  		if ((r.ec_reset_flags & BIT(flag)) != 0) {
  			if (flag_count)
  				printf(" | ");
  			printf(reset_flag_descs[flag]);
  			flag_count++;
  		}
  	}
  
  	if (r.ec_reset_flags >= BIT(flag)) {
  		if (flag_count)
  			printf(" | ");
  		printf("no-desc");
  	}
  	printf("\n");
  	return 0;
  }
  
  int cmd_version(int argc, char *argv[])
  {
  	struct ec_response_get_version_v1 r;
  	char *build_string = (char *)ec_inbuf;
  	int rv;
  
  	if (ec_cmd_version_supported(EC_CMD_GET_VERSION, 1)) {
  		rv = ec_command(EC_CMD_GET_VERSION, 1, NULL, 0, &r,
  				sizeof(struct ec_response_get_version_v1));
  	} else {
  		/* Fall-back to version 0 if version 1 is not supported */
  		rv = ec_command(EC_CMD_GET_VERSION, 0, NULL, 0, &r,
  				sizeof(struct ec_response_get_version));
  		/* These fields are not supported in version 0, ensure empty */
  		r.cros_fwid_ro[0] = '\0';
  		r.cros_fwid_rw[0] = '\0';
  	}
  	if (rv < 0) {
  		fprintf(stderr, "ERROR: EC_CMD_GET_VERSION failed: %d\n", rv);
  		goto exit;
  	}
  
  	rv = ec_command(EC_CMD_GET_BUILD_INFO, 0,
  			NULL, 0, ec_inbuf, ec_max_insize);
  	if (rv < 0) {
  		fprintf(stderr, "ERROR: EC_CMD_GET_BUILD_INFO failed: %d\n",
  				rv);
  		goto exit;
  	}
  
  	rv = 0;
  
  	/* Ensure versions are null-terminated before we print them */
  	r.version_string_ro[sizeof(r.version_string_ro) - 1] = '\0';
  	r.version_string_rw[sizeof(r.version_string_rw) - 1] = '\0';
  	build_string[ec_max_insize - 1] = '\0';
  	r.cros_fwid_ro[sizeof(r.cros_fwid_ro) - 1] = '\0';
  	r.cros_fwid_rw[sizeof(r.cros_fwid_rw) - 1] = '\0';
  	/* Print versions */
  	printf("RO version:    %s\n", r.version_string_ro);
  	if (strlen(r.cros_fwid_ro))
  		printf("RO cros fwid:  %s\n", r.cros_fwid_ro);
  	printf("RW version:    %s\n", r.version_string_rw);
  	if (strlen(r.cros_fwid_rw))
  		printf("RW cros fwid:  %s\n", r.cros_fwid_rw);
  	printf("Firmware copy: %s\n",
  	       (r.current_image < ARRAY_SIZE(image_names) ?
  		image_names[r.current_image] : "?"));
  	printf("Build info:    %s\n", build_string);
  exit:
  	printf("Tool version:  %s %s %s\n", CROS_ECTOOL_VERSION, DATE, BUILDER);
  
  	return rv;
  }
  
  
  int cmd_read_test(int argc, char *argv[])
  {
  	struct ec_params_read_test p;
  	struct ec_response_read_test r;
  	int offset, size;
  	int errors = 0;
  	int rv;
  	int i;
  	char *e;
  	char *buf;
  	uint32_t *b;
  
  	if (argc < 3) {
  		fprintf(stderr, "Usage: %s <pattern_offset> <size>\n", argv[0]);
  		return -1;
  	}
  	offset = strtol(argv[1], &e, 0);
  	size = strtol(argv[2], &e, 0);
  	if ((e && *e) || size <= 0 || size > MAX_FLASH_SIZE) {
  		fprintf(stderr, "Bad size.\n");
  		return -1;
  	}
  	printf("Reading %d bytes with pattern offset 0x%x...\n", size, offset);
  
  	buf = (char *)malloc(size);
  	if (!buf) {
  		fprintf(stderr, "Unable to allocate buffer.\n");
  		return -1;
  	}
  
  	/* Read data in chunks */
  	for (i = 0; i < size; i += sizeof(r.data)) {
  		p.offset = offset + i / sizeof(uint32_t);
  		p.size = MIN(size - i, sizeof(r.data));
  		rv = ec_command(EC_CMD_READ_TEST, 0, &p, sizeof(p),
  				&r, sizeof(r));
  		if (rv < 0) {
  			fprintf(stderr, "Read error at offset %d\n", i);
  			free(buf);
  			return rv;
  		}
  		memcpy(buf + i, r.data, p.size);
  	}
  
  	/* Check data */
  	for (i = 0, b = (uint32_t *)buf; i < size / 4; i++, b++) {
  		if (*b != i + offset) {
  			printf("Mismatch at byte offset 0x%x: "
  			       "expected 0x%08x, got 0x%08x\n",
  			       (int)(i * sizeof(uint32_t)), i + offset, *b);
  			errors++;
  		}
  	}
  
  	free(buf);
  	if (errors) {
  		printf("Found %d errors\n", errors);
  		return -1;
  	}
  
  	printf("done.\n");
  	return 0;
  }
  
  
  int cmd_reboot_ec(int argc, char *argv[])
  {
  	struct ec_params_reboot_ec p;
  	int rv, i;
  
  	if (argc < 2) {
  		/*
  		 * No params specified so tell the EC to reboot immediately.
  		 * That reboots the AP as well, so unlikely we'll be around
  		 * to see a return code from this...
  		 */
  		rv = ec_command(EC_CMD_REBOOT, 0, NULL, 0, NULL, 0);
  		return (rv < 0 ? rv : 0);
  	}
  
  	/* Parse command */
  	if (!strcmp(argv[1], "cancel"))
  		p.cmd = EC_REBOOT_CANCEL;
  	else if (!strcmp(argv[1], "RO"))
  		p.cmd = EC_REBOOT_JUMP_RO;
  	else if (!strcmp(argv[1], "RW"))
  		p.cmd = EC_REBOOT_JUMP_RW;
  	else if (!strcmp(argv[1], "cold"))
  		p.cmd = EC_REBOOT_COLD;
  	else if (!strcmp(argv[1], "disable-jump"))
  		p.cmd = EC_REBOOT_DISABLE_JUMP;
  	else if (!strcmp(argv[1], "hibernate"))
  		p.cmd = EC_REBOOT_HIBERNATE;
  	else if (!strcmp(argv[1], "hibernate-clear-ap-off"))
  		p.cmd = EC_REBOOT_HIBERNATE_CLEAR_AP_OFF;
  	else if (!strcmp(argv[1], "cold-ap-off"))
  		p.cmd = EC_REBOOT_COLD_AP_OFF;
  	else {
  		fprintf(stderr, "Unknown command: %s\n", argv[1]);
  		return -1;
  	}
  
  	/* Parse flags, if any */
  	p.flags = 0;
  	for (i = 2; i < argc; i++) {
  		if (!strcmp(argv[i], "at-shutdown")) {
  			p.flags |= EC_REBOOT_FLAG_ON_AP_SHUTDOWN;
  		} else if (!strcmp(argv[i], "switch-slot")) {
  			p.flags |= EC_REBOOT_FLAG_SWITCH_RW_SLOT;
  		} else {
  			fprintf(stderr, "Unknown flag: %s\n", argv[i]);
  			return -1;
  		}
  	}
  
  	rv = ec_command(EC_CMD_REBOOT_EC, 0, &p, sizeof(p), NULL, 0);
  	return (rv < 0 ? rv : 0);
  }
  
  int cmd_reboot_ap_on_g3(int argc, char *argv[])
  {
  	struct ec_params_reboot_ap_on_g3_v1 p;
  	int rv;
  	char *e;
  	int cmdver;
  
  	if (argc < 2) {
  		p.reboot_ap_at_g3_delay = 0;
  	} else {
  		p.reboot_ap_at_g3_delay = strtol(argv[1], &e, 0);
  		if (e && *e) {
  			fprintf(stderr, "invalid number\n");
  			return -1;
  		}
  	}
  	if (ec_cmd_version_supported(EC_CMD_REBOOT_AP_ON_G3, 1))
  		cmdver = 1;
  	else
  		cmdver = 0;
  
  	rv = ec_command(EC_CMD_REBOOT_AP_ON_G3, cmdver, &p, sizeof(p), NULL, 0);
  	return (rv < 0 ? rv : 0);
  }
  
  int cmd_button(int argc, char *argv[])
  {
  	struct ec_params_button p;
  	char *e;
  	int argv_idx;
  	int button = KEYBOARD_BUTTON_COUNT;
  	int rv;
  
  	if (argc < 2) {
  		fprintf(stderr, "Invalid num param %d.\n", argc);
  		return -1;
  	}
  
  	p.press_ms = 50;
  	p.btn_mask = 0;
  
  	for (argv_idx = 1; argv_idx < argc; argv_idx++) {
  		if (!strcasecmp(argv[argv_idx], "vup"))
  			button = KEYBOARD_BUTTON_VOLUME_UP;
  		else if (!strcasecmp(argv[argv_idx], "vdown"))
  			button = KEYBOARD_BUTTON_VOLUME_DOWN;
  		else if (!strcasecmp(argv[argv_idx], "rec"))
  			button = KEYBOARD_BUTTON_RECOVERY;
  		else {
  			/* If last parameter check if it is an integer. */
  			if (argv_idx == argc - 1) {
  				p.press_ms = strtol(argv[argv_idx], &e, 0);
  				/* If integer, break out of the loop. */
  				if (!*e)
  					break;
  			}
  			button = KEYBOARD_BUTTON_COUNT;
  		}
  
  		if (button == KEYBOARD_BUTTON_COUNT) {
  			fprintf(stderr, "Invalid button input.\n");
  			return -1;
  		}
  
  		p.btn_mask |= (1 << button);
  	}
  	if (!p.btn_mask)
  		return 0;
  
  	rv = ec_command(EC_CMD_BUTTON, 0, &p, sizeof(p), NULL, 0);
  	if (rv < 0)
  		return rv;
  
  	printf("Button(s) %d set to %d ms\n", p.btn_mask, p.press_ms);
  	return 0;
  }
  
  int cmd_flash_info(int argc, char *argv[])
  {
  	struct ec_response_flash_info_1 r;
  	int cmdver = 1;
  	int rsize = sizeof(r);
  	int rv;
  
  	memset(&r, 0, sizeof(r));
  
  	if (!ec_cmd_version_supported(EC_CMD_FLASH_INFO, cmdver)) {
  		/* Fall back to version 0 command */
  		cmdver = 0;
  		rsize = sizeof(struct ec_response_flash_info);
  	}
  
  	rv = ec_command(EC_CMD_FLASH_INFO, cmdver, NULL, 0, &r, rsize);
  	if (rv < 0)
  		return rv;
  
  	printf("FlashSize %d\nWriteSize %d\nEraseSize %d\nProtectSize %d\n",
  	       r.flash_size, r.write_block_size, r.erase_block_size,
  	       r.protect_block_size);
  
  	if (cmdver >= 1) {
  		/* Fields added in ver.1 available */
  		printf("WriteIdealSize %d\nFlags 0x%x\n",
  		       r.write_ideal_size, r.flags);
  	}
  
  	return 0;
  }
  
  int cmd_rand(int argc, char *argv[])
  {
  	struct ec_params_rand_num p;
  	struct ec_response_rand_num *r;
  	size_t r_size;
  	int64_t num_bytes;
  	int64_t i;
  	char *e;
  	int rv = 0;
  
  	if (argc < 2) {
  		fprintf(stderr, "Usage: %s <num_bytes>\n", argv[0]);
  		return -1;
  	}
  
  	num_bytes = strtol(argv[1], &e, 0);
  	if ((e && *e) || (errno == ERANGE)) {
  		fprintf(stderr, "Invalid num_bytes argument\n");
  		return -1;
  	}
  
  	r = (struct ec_response_rand_num *)(ec_inbuf);
  
  	for (i = 0; i < num_bytes; i += ec_max_insize) {
  		p.num_rand_bytes = ec_max_insize;
  		if (num_bytes - i < p.num_rand_bytes)
  			p.num_rand_bytes = num_bytes - i;
  
  		r_size = p.num_rand_bytes;
  
  		rv = ec_command(EC_CMD_RAND_NUM, EC_VER_RAND_NUM, &p, sizeof(p),
  				r, r_size);
  		if (rv < 0) {
  			fprintf(stderr, "Random number command failed\n");
  			return -1;
  		}
  
  		rv = write(STDOUT_FILENO, r->rand, r_size);
  		if (rv != r_size) {
  			fprintf(stderr, "Failed to write stdout\n");
  			return -1;
  		}
  	}
  
  	return 0;
  }
  
  int cmd_flash_spi_info(int argc, char *argv[])
  {
  	struct ec_response_flash_spi_info r;
  	int rv;
  
  	memset(&r, 0, sizeof(r));
  
  	/* Print SPI flash info if available */
  	if (!ec_cmd_version_supported(EC_CMD_FLASH_SPI_INFO, 0)) {
  		printf("EC has no info (does not use SPI flash?)\n");
  		return -1;
  	}
  
  	rv = ec_command(EC_CMD_FLASH_SPI_INFO, 0, NULL, 0, &r, sizeof(r));
  	if (rv < 0)
  		return rv;
  
  	printf("JEDECManufacturerID 0x%02x\n", r.jedec[0]);
  	printf("JEDECDeviceID 0x%02x 0x%02x\n", r.jedec[1], r.jedec[2]);
  	printf("JEDECCapacity %d\n", 1 << r.jedec[2]);
  	printf("ManufacturerID 0x%02x\n", r.mfr_dev_id[0]);
  	printf("DeviceID 0x%02x\n", r.mfr_dev_id[1]);
  	printf("StatusRegister1 0x%02x\n", r.sr1);
  	printf("StatusRegister2 0x%02x\n", r.sr2);
  	return 0;
  }
  
  int cmd_flash_read(int argc, char *argv[])
  {
  	int offset, size;
  	int rv;
  	char *e;
  	uint8_t *buf;
  
  	if (argc < 4) {
  		fprintf(stderr,
  			"Usage: %s <offset> <size> <filename>\n", argv[0]);
  		return -1;
  	}
  	offset = strtol(argv[1], &e, 0);
  	if ((e && *e) || offset < 0 || offset > MAX_FLASH_SIZE) {
  		fprintf(stderr, "Bad offset.\n");
  		return -1;
  	}
  	size = strtol(argv[2], &e, 0);
  	if ((e && *e) || size <= 0 || size > MAX_FLASH_SIZE) {
  		fprintf(stderr, "Bad size.\n");
  		return -1;
  	}
  	printf("Reading %d bytes at offset %d...\n", size, offset);
  
  	buf = (uint8_t *)malloc(size);
  	if (!buf) {
  		fprintf(stderr, "Unable to allocate buffer.\n");
  		return -1;
  	}
  
  	/* Read data in chunks */
  	rv = ec_flash_read(buf, offset, size);
  	if (rv < 0) {
  		free(buf);
  		return rv;
  	}
  
  	rv = write_file(argv[3], (const char *)(buf), size);
  	free(buf);
  	if (rv)
  		return rv;
  
  	printf("done.\n");
  	return 0;
  }
  
  int cmd_flash_write(int argc, char *argv[])
  {
  	int offset, size;
  	int rv;
  	char *e;
  	char *buf;
  
  	if (argc < 3) {
  		fprintf(stderr, "Usage: %s <offset> <filename>\n", argv[0]);
  		return -1;
  	}
  
  	offset = strtol(argv[1], &e, 0);
  	if ((e && *e) || offset < 0 || offset > MAX_FLASH_SIZE) {
  		fprintf(stderr, "Bad offset.\n");
  		return -1;
  	}
  
  	/* Read the input file */
  	buf = read_file(argv[2], &size);
  	if (!buf)
  		return -1;
  
  	printf("Writing to offset %d...\n", offset);
  
  	/* Write data in chunks */
  	rv = ec_flash_write((const uint8_t *)(buf), offset,
  			    size);
  
  	free(buf);
  
  	if (rv < 0)
  		return rv;
  
  	printf("done.\n");
  	return 0;
  }
  
  int cmd_flash_erase(int argc, char *argv[])
  {
  	int offset, size;
  	char *e;
  	int rv;
  	bool async = false;
  
  	if (argc < 3) {
  		fprintf(stderr, "Usage: %s <offset> <size>\n", argv[0]);
  		return -1;
  	}
  
  	if (strcmp(argv[0], "flasheraseasync") == 0)
  		async = true;
  
  	offset = strtol(argv[1], &e, 0);
  	if ((e && *e) || offset < 0 || offset > MAX_FLASH_SIZE) {
  		fprintf(stderr, "Bad offset.\n");
  		return -1;
  	}
  
  	size = strtol(argv[2], &e, 0);
  	if ((e && *e) || size <= 0 || size > MAX_FLASH_SIZE) {
  		fprintf(stderr, "Bad size.\n");
  		return -1;
  	}
  
  	printf("Erasing %d bytes at offset %d...\n", size, offset);
  	if (async)
  		rv = ec_flash_erase_async(offset, size);
  	else
  		rv = ec_flash_erase(offset, size);
  	if (rv < 0)
  		return rv;
  
  	printf("done.\n");
  	return 0;
  }
  
  
  static void print_flash_protect_flags(const char *desc, uint32_t flags)
  {
  	printf("%s 0x%08x", desc, flags);
  	if (flags & EC_FLASH_PROTECT_GPIO_ASSERTED)
  		printf(" wp_gpio_asserted");
  	if (flags & EC_FLASH_PROTECT_RO_AT_BOOT)
  		printf(" ro_at_boot");
  	if (flags & EC_FLASH_PROTECT_RW_AT_BOOT)
  		printf(" rw_at_boot");
  	if (flags & EC_FLASH_PROTECT_ROLLBACK_AT_BOOT)
  		printf(" rollback_at_boot");
  	if (flags & EC_FLASH_PROTECT_ALL_AT_BOOT)
  		printf(" all_at_boot");
  	if (flags & EC_FLASH_PROTECT_RO_NOW)
  		printf(" ro_now");
  	if (flags & EC_FLASH_PROTECT_RW_NOW)
  		printf(" rw_now");
  	if (flags & EC_FLASH_PROTECT_ROLLBACK_NOW)
  		printf(" rollback_now");
  	if (flags & EC_FLASH_PROTECT_ALL_NOW)
  		printf(" all_now");
  	if (flags & EC_FLASH_PROTECT_ERROR_STUCK)
  		printf(" STUCK");
  	if (flags & EC_FLASH_PROTECT_ERROR_INCONSISTENT)
  		printf(" INCONSISTENT");
  	if (flags & EC_FLASH_PROTECT_ERROR_UNKNOWN)
  		printf(" UNKNOWN_ERROR");
  	printf("\n");
  }
  
  
  int cmd_flash_protect(int argc, char *argv[])
  {
  	struct ec_params_flash_protect p;
  	struct ec_response_flash_protect r;
  	int rv, i;
  
  	/*
  	 * Set up requested flags.  If no flags were specified, p.mask will
  	 * be 0 and nothing will change.
  	 */
  	p.mask = p.flags = 0;
  	for (i = 1; i < argc; i++) {
  		if (!strcasecmp(argv[i], "now")) {
  			p.mask |= EC_FLASH_PROTECT_ALL_NOW;
  			p.flags |= EC_FLASH_PROTECT_ALL_NOW;
  		} else if (!strcasecmp(argv[i], "enable")) {
  			p.mask |= EC_FLASH_PROTECT_RO_AT_BOOT;
  			p.flags |= EC_FLASH_PROTECT_RO_AT_BOOT;
  		} else if (!strcasecmp(argv[i], "disable"))
  			p.mask |= EC_FLASH_PROTECT_RO_AT_BOOT;
  	}
  
  	rv = ec_command(EC_CMD_FLASH_PROTECT, EC_VER_FLASH_PROTECT,
  			&p, sizeof(p), &r, sizeof(r));
  	if (rv < 0)
  		return rv;
  	if (rv < sizeof(r)) {
  		fprintf(stderr, "Too little data returned.\n");
  		return -1;
  	}
  
  	/* Print returned flags */
  	print_flash_protect_flags("Flash protect flags:", r.flags);
  	print_flash_protect_flags("Valid flags:        ", r.valid_flags);
  	print_flash_protect_flags("Writable flags:     ", r.writable_flags);
  
  	/* Check if we got all the flags we asked for */
  	if ((r.flags & p.mask) != (p.flags & p.mask)) {
  		fprintf(stderr, "Unable to set requested flags "
  			"(wanted mask 0x%08x flags 0x%08x)\n",
  			p.mask, p.flags);
  		if (p.mask & ~r.writable_flags)
  			fprintf(stderr, "Which is expected, because writable "
  				"mask is 0x%08x.\n", r.writable_flags);
  
  		return -1;
  	}
  
  	return 0;
  }
  
  int cmd_rw_hash_pd(int argc, char *argv[])
  {
  	struct ec_params_usb_pd_rw_hash_entry *p =
  		(struct ec_params_usb_pd_rw_hash_entry *)ec_outbuf;
  	int i, rv;
  	char *e;
  	uint32_t val;
  	uint8_t *rwp;
  
  	if (argc < 7) {
  		fprintf(stderr, "Usage: %s <dev_id> <HASH[0]> ... <HASH[4]>\n",
  			argv[0]);
  		return -1;
  	}
  
  	p->dev_id = strtol(argv[1], &e, 0);
  	if (e && *e) {
  		fprintf(stderr, "Bad device ID\n");
  		return -1;
  	}
  
  	rwp = p->dev_rw_hash;
  	for (i = 2; i < 7; i++) {
  		val = strtol(argv[i], &e, 0);
  		if (e && *e) {
  			fprintf(stderr, "Bad RW hash\n");
  			return -1;
  		}
  		rwp[0] = (uint8_t)  (val >> 0) & 0xff;
  		rwp[1] = (uint8_t)  (val >> 8) & 0xff;
  		rwp[2] = (uint8_t) (val >> 16) & 0xff;
  		rwp[3] = (uint8_t) (val >> 24) & 0xff;
  		rwp += 4;
  	}
  	rv = ec_command(EC_CMD_USB_PD_RW_HASH_ENTRY, 0, p, sizeof(*p), NULL, 0);
  
  	return rv;
  }
  
  int cmd_rwsig_status(int argc, char *argv[])
  {
  	int rv;
  	struct ec_response_rwsig_check_status resp;
  
  	rv = ec_command(EC_CMD_RWSIG_CHECK_STATUS, 0, NULL, 0,
  			&resp, sizeof(resp));
  	if (rv < 0)
  		return rv;
  
  	printf("RW signature check: %s\n", resp.status ? "OK" : "FAILED");
  
  	return 0;
  }
  
  static int rwsig_action(const char *command)
  {
  	struct ec_params_rwsig_action req;
  
  	if (!strcasecmp(command, "abort"))
  		req.action = RWSIG_ACTION_ABORT;
  	else if (!strcasecmp(command, "continue"))
  		req.action = RWSIG_ACTION_CONTINUE;
  	else
  		return -1;
  
  	return ec_command(EC_CMD_RWSIG_ACTION, 0, &req, sizeof(req), NULL, 0);
  }
  
  int cmd_rwsig_action_legacy(int argc, char *argv[])
  {
  	if (argc < 2) {
  		fprintf(stderr, "Usage: %s [abort | continue]\n", argv[0]);
  		return -1;
  	}
  
  	return rwsig_action(argv[1]);
  }
  
  int cmd_rwsig_action(int argc, char *argv[])
  {
  	if (argc < 2) {
  		fprintf(stderr, "Usage: ectool rwsig action [abort | "
  				"continue]\n");
  		return -1;
  	}
  
  	return rwsig_action(argv[1]);
  }
  
  enum rwsig_info_fields {
  	RWSIG_INFO_FIELD_SIG_ALG = BIT(0),
  	RWSIG_INFO_FIELD_KEY_VERSION = BIT(1),
  	RWSIG_INFO_FIELD_HASH_ALG = BIT(2),
  	RWSIG_INFO_FIELD_KEY_IS_VALID = BIT(3),
  	RWSIG_INFO_FIELD_KEY_ID = BIT(4),
  	RWSIG_INFO_FIELD_ALL = RWSIG_INFO_FIELD_SIG_ALG |
  		RWSIG_INFO_FIELD_KEY_VERSION | RWSIG_INFO_FIELD_HASH_ALG |
  		RWSIG_INFO_FIELD_KEY_IS_VALID | RWSIG_INFO_FIELD_KEY_ID
  };
  
  static int rwsig_info(enum rwsig_info_fields fields)
  {
  	int i;
  	int rv;
  	struct ec_response_rwsig_info r;
  	bool print_prefix = false;
  
  	rv = ec_command(EC_CMD_RWSIG_INFO, EC_VER_RWSIG_INFO, NULL, 0, &r,
  			sizeof(r));
  	if (rv < 0) {
  		fprintf(stderr, "rwsig info command failed\n");
  		return -1;
  	}
  
  	if ((fields & RWSIG_INFO_FIELD_ALL) == RWSIG_INFO_FIELD_ALL)
  		print_prefix = true;
  
  	if (fields & RWSIG_INFO_FIELD_SIG_ALG) {
  		if (print_prefix)
  			printf("sig_alg: ");
  
  		printf("%d\n", r.sig_alg);
  	}
  	if (fields & RWSIG_INFO_FIELD_KEY_VERSION) {
  		if (print_prefix)
  			printf("key_version: ");
  
  		printf("%d\n", r.key_version);
  	}
  	if (fields & RWSIG_INFO_FIELD_HASH_ALG) {
  		if (print_prefix)
  			printf("hash_alg: ");
  
  		printf("%d\n", r.hash_alg);
  	}
  	if (fields & RWSIG_INFO_FIELD_KEY_IS_VALID) {
  		if (print_prefix)
  			printf("key_is_valid: ");
  
  		printf("%d\n", r.key_is_valid);
  	}
  	if (fields & RWSIG_INFO_FIELD_KEY_ID) {
  		if (print_prefix)
  			printf("key_id: ");
  
  		for (i = 0; i < sizeof(r.key_id); i++)
  			printf("%02x", r.key_id[i]);
  		printf("\n");
  	}
  
  	return 0;
  }
  
  static int cmd_rwsig_info(int argc, char *argv[])
  {
  	int i;
  
  	struct rwsig_dump_cmds {
  		const char *cmd;
  		enum rwsig_info_fields field;
  	};
  
  	struct rwsig_dump_cmds cmd_map[] = {
  		{ "sig_alg", RWSIG_INFO_FIELD_SIG_ALG },
  		{ "key_version", RWSIG_INFO_FIELD_KEY_VERSION },
  		{ "hash_alg", RWSIG_INFO_FIELD_HASH_ALG },
  		{ "key_valid", RWSIG_INFO_FIELD_KEY_IS_VALID },
  		{ "key_id", RWSIG_INFO_FIELD_KEY_ID },
  	};
  
  	if (argc == 0)
  		return -1;
  
  	if (strcmp(argv[0], "info") == 0)
  		return rwsig_info(RWSIG_INFO_FIELD_ALL);
  
  	if (strcmp(argv[0], "dump") == 0) {
  		if (argc != 2) {
  			fprintf(stderr,
  				"Usage: rwsig dump "
  				"[sig_alg|key_version|hash_alg|key_valid|key_id]\n");
  			return -1;
  		}
  		for (i = 0; i < ARRAY_SIZE(cmd_map); i++)
  			if (strcmp(argv[1], cmd_map[i].cmd) == 0)
  				return rwsig_info(cmd_map[i].field);
  
  		return -1;
  	}
  
  	return -1;
  }
  
  int cmd_rwsig(int argc, char **argv)
  {
  	struct rwsig_subcommand {
  		const char *subcommand;
  		int (*handler)(int argc, char *argv[]);
  	};
  
  	const struct rwsig_subcommand rwsig_subcommands[] = {
  		{ "info", cmd_rwsig_info },
  		{ "dump", cmd_rwsig_info },
  		{ "action", cmd_rwsig_action },
  		{ "status", cmd_rwsig_status }
  	};
  
  	int i;
  
  	if (argc < 2) {
  		fprintf(stderr, "Usage: %s <info|dump|action|status>\n",
  			argv[0]);
  		return -1;
  	}
  
  	for (i = 0; i < ARRAY_SIZE(rwsig_subcommands); i++)
  		if (strcmp(argv[1], rwsig_subcommands[i].subcommand) == 0)
  			return rwsig_subcommands[i].handler(--argc, &argv[1]);
  
  	return -1;
  }
  
  enum sysinfo_fields {
  	SYSINFO_FIELD_NONE = 0,
  	SYSINFO_FIELD_RESET_FLAGS = BIT(0),
  	SYSINFO_FIELD_CURRENT_IMAGE = BIT(1),
  	SYSINFO_FIELD_FLAGS = BIT(2),
  	SYSINFO_INFO_FIELD_ALL = SYSINFO_FIELD_RESET_FLAGS |
  				 SYSINFO_FIELD_CURRENT_IMAGE |
  				 SYSINFO_FIELD_FLAGS
  };
  
  static int sysinfo(struct ec_response_sysinfo *info)
  {
  	int rv;
  
  	rv = ec_command(EC_CMD_SYSINFO, 0, NULL, 0, info, sizeof(*info));
  	if (rv < 0) {
  		fprintf(stderr, "ERROR: EC_CMD_SYSINFO failed: %d\n", rv);
  		return rv;
  	}
  
  	return 0;
  }
  
  int cmd_sysinfo(int argc, char **argv)
  {
  	struct ec_response_sysinfo r = {};
  	enum sysinfo_fields fields = 0;
  	bool print_prefix = false;
  
  	if (argc != 1 && argc != 2)
  		goto sysinfo_error_usage;
  
  	if (argc == 1) {
  		fields = SYSINFO_INFO_FIELD_ALL;
  		print_prefix = true;
  	} else if (argc == 2) {
  		if (strcmp(argv[1], "flags") == 0)
  			fields = SYSINFO_FIELD_FLAGS;
  		else if (strcmp(argv[1], "reset_flags") == 0)
  			fields = SYSINFO_FIELD_RESET_FLAGS;
  		else if (strcmp(argv[1], "firmware_copy") == 0)
  			fields = SYSINFO_FIELD_CURRENT_IMAGE;
  		else
  			goto sysinfo_error_usage;
  	}
  
  	memset(&r, '\0', sizeof(r));
  	if (sysinfo(&r) != 0)
  		return -1;
  
  	if (fields & SYSINFO_FIELD_RESET_FLAGS) {
  		if (print_prefix)
  			printf("Reset flags: ");
  		printf("0x%08x\n", r.reset_flags);
  	}
  
  	if (fields & SYSINFO_FIELD_FLAGS) {
  		if (print_prefix)
  			printf("Flags: ");
  		printf("0x%08x\n", r.flags);
  
  	}
  
  	if (fields & SYSINFO_FIELD_CURRENT_IMAGE) {
  		if (print_prefix)
  			printf("Firmware copy: ");
  		printf("%d\n", r.current_image);
  	}
  
  	return 0;
  
  sysinfo_error_usage:
  	fprintf(stderr, "Usage: %s "
  			"[flags|reset_flags|firmware_copy]\n",
  		argv[0]);
  	return -1;
  }
  
  int cmd_rollback_info(int argc, char *argv[])
  {
  	struct ec_response_rollback_info r;
  	int rv;
  
  	rv = ec_command(EC_CMD_ROLLBACK_INFO, 0, NULL, 0, &r, sizeof(r));
  	if (rv < 0) {
  		fprintf(stderr, "ERROR: EC_CMD_ROLLBACK_INFO failed: %d\n", rv);
  		return rv;
  	}
  
  	/* Print versions */
  	printf("Rollback block id:    %d\n", r.id);
  	printf("Rollback min version: %d\n", r.rollback_min_version);
  	printf("RW rollback version:  %d\n", r.rw_rollback_version);
  
  	return 0;
  }
  
  int cmd_apreset(int argc, char *argv[])
  {
  	return ec_command(EC_CMD_AP_RESET, 0, NULL, 0, NULL, 0);
  }
  
  #define FP_FRAME_INDEX_SIMPLE_IMAGE -1
  
  /*
   * Download a frame buffer from the FPMCU.
   *
   * Might be either the finger image or a finger template depending on 'index'.
   *
   * @param info a pointer to store the struct ec_response_fp_info retrieved by
   * this command.
   * @param index the specific frame to retrieve, might be:
   *  -1 (aka FP_FRAME_INDEX_SIMPLE_IMAGE) for the a single grayscale image.
   *   0  (aka FP_FRAME_INDEX_RAW_IMAGE) for the full vendor raw finger image.
   *   1..n for a finger template.
   *
   * @returns a pointer to the buffer allocated to contain the frame or NULL
   * if case of error. The caller must call free() once it no longer needs the
   * buffer.
   */
  static void *fp_download_frame(struct ec_response_fp_info *info, int index)
  {
  	struct ec_params_fp_frame p;
  	int rv = 0;
  	size_t stride, size;
  	void *buffer;
  	uint8_t *ptr;
  	int cmdver = ec_cmd_version_supported(EC_CMD_FP_INFO, 1) ? 1 : 0;
  	int rsize = cmdver == 1 ? sizeof(*info)
  				: sizeof(struct ec_response_fp_info_v0);
  	const int max_attempts = 3;
  	int num_attempts;
  
  	/* templates not supported in command v0 */
  	if (index > 0 && cmdver == 0)
  		return NULL;
  
  	rv = ec_command(EC_CMD_FP_INFO, cmdver, NULL, 0, info, rsize);
  	if (rv < 0)
  		return NULL;
  
  	if (index == FP_FRAME_INDEX_SIMPLE_IMAGE) {
  		size = (size_t)info->width * info->bpp/8 * info->height;
  		index = FP_FRAME_INDEX_RAW_IMAGE;
  	} else if (index == FP_FRAME_INDEX_RAW_IMAGE) {
  		size = info->frame_size;
  	} else {
  		size = info->template_size;
  	}
  
  	buffer = malloc(size);
  	if (!buffer) {
  		fprintf(stderr, "Cannot allocate memory for the image\n");
  		return NULL;
  	}
  
  	ptr = (uint8_t *)(buffer);
  	p.offset = index << FP_FRAME_INDEX_SHIFT;
  	while (size) {
  		stride = MIN(ec_max_insize, size);
  		p.size = stride;
  		num_attempts = 0;
  		while (num_attempts < max_attempts) {
  			num_attempts++;
  			rv = ec_command(EC_CMD_FP_FRAME, 0, &p, sizeof(p),
  					ptr, stride);
  			if (rv >= 0)
  				break;
  			if (rv == -EECRESULT - EC_RES_ACCESS_DENIED)
  				break;
  			usleep(100000);
  		}
  		if (rv < 0) {
  			free(buffer);
  			return NULL;
  		}
  		p.offset += stride;
  		size -= stride;
  		ptr += stride;
  	}
  
  	return buffer;
  }
  
  int cmd_fp_mode(int argc, char *argv[])
  {
  	struct ec_params_fp_mode p;
  	struct ec_response_fp_mode r;
  	uint32_t mode = 0;
  	uint32_t capture_type = FP_CAPTURE_SIMPLE_IMAGE;
  	int i, rv;
  
  	if (argc == 1)
  		mode = FP_MODE_DONT_CHANGE;
  	for (i = 1; i < argc; i++) {
  		/* modes */
  		if (!strncmp(argv[i], "deepsleep", 9))
  			mode |= FP_MODE_DEEPSLEEP;
  		else if (!strncmp(argv[i], "fingerdown", 10))
  			mode |= FP_MODE_FINGER_DOWN;
  		else if (!strncmp(argv[i], "fingerup", 8))
  			mode |= FP_MODE_FINGER_UP;
  		else if (!strncmp(argv[i], "enroll", 6))
  			mode |= FP_MODE_ENROLL_IMAGE | FP_MODE_ENROLL_SESSION;
  		else if (!strncmp(argv[i], "match", 5))
  			mode |= FP_MODE_MATCH;
  		else if (!strncmp(argv[i], "reset_sensor", 12))
  			mode = FP_MODE_RESET_SENSOR;
  		else if (!strncmp(argv[i], "reset", 5))
  			mode = 0;
  		else if (!strncmp(argv[i], "maintenance", 11))
  			mode |= FP_MODE_SENSOR_MAINTENANCE;
  		else if (!strncmp(argv[i], "capture", 7))
  			mode |= FP_MODE_CAPTURE;
  		/* capture types */
  		else if (!strncmp(argv[i], "vendor", 6))
  			capture_type = FP_CAPTURE_VENDOR_FORMAT;
  		else if (!strncmp(argv[i], "pattern0", 8))
  			capture_type = FP_CAPTURE_PATTERN0;
  		else if (!strncmp(argv[i], "pattern1", 8))
  			capture_type = FP_CAPTURE_PATTERN1;
  		else if (!strncmp(argv[i], "qual", 4))
  			capture_type = FP_CAPTURE_QUALITY_TEST;
  		else if (!strncmp(argv[i], "test_reset", 10))
  			capture_type = FP_CAPTURE_RESET_TEST;
  	}
  	if (mode & FP_MODE_CAPTURE)
  		mode |= capture_type << FP_MODE_CAPTURE_TYPE_SHIFT;
  
  	p.mode = mode;
  	rv = ec_command(EC_CMD_FP_MODE, 0, &p, sizeof(p), &r, sizeof(r));
  	if (rv < 0)
  		return rv;
  
  	printf("FP mode: (0x%x) ", r.mode);
  	if (r.mode & FP_MODE_DEEPSLEEP)
  		printf("deepsleep ");
  	if (r.mode & FP_MODE_FINGER_DOWN)
  		printf("finger-down ");
  	if (r.mode & FP_MODE_FINGER_UP)
  		printf("finger-up ");
  	if (r.mode & FP_MODE_ENROLL_SESSION)
  		printf("enroll%s ",
  			r.mode & FP_MODE_ENROLL_IMAGE ? "+image" : "");
  	if (r.mode & FP_MODE_MATCH)
  		printf("match ");
  	if (r.mode & FP_MODE_CAPTURE)
  		printf("capture ");
  	printf("\n");
  	return 0;
  }
  
  int cmd_fp_seed(int argc, char *argv[])
  {
  	struct ec_params_fp_seed p;
  	char *seed;
  
  	if (argc != 2) {
  		fprintf(stderr, "Usage: %s <seed>\n", argv[0]);
  		return 1;
  	}
  	seed = argv[1];
  	if (strlen(seed) != FP_CONTEXT_TPM_BYTES) {
  		printf("Invalid seed '%s' is %zd bytes long instead of %d.\n",
  		       seed, strlen(seed), FP_CONTEXT_TPM_BYTES);
  		return 1;
  	}
  	printf("Setting seed '%s'\n", seed);
  	p.struct_version = FP_TEMPLATE_FORMAT_VERSION;
  	memcpy(p.seed, seed, FP_CONTEXT_TPM_BYTES);
  
  	return ec_command(EC_CMD_FP_SEED, 0, &p, sizeof(p), NULL, 0);
  }
  
  int cmd_fp_stats(int argc, char *argv[])
  {
  	struct ec_response_fp_stats r;
  	int rv;
  	unsigned long long ts;
  
  	rv = ec_command(EC_CMD_FP_STATS, 0, NULL, 0, &r, sizeof(r));
  	if (rv < 0)
  		return rv;
  
  	ts = (uint64_t)r.overall_t0.hi << 32 | r.overall_t0.lo;
  	printf("FP stats (t0=%llu us):\n", ts);
  	printf("Last capture time:  ");
  	if (r.timestamps_invalid & FPSTATS_CAPTURE_INV)
  		printf("Invalid\n");
  	else
  		printf("%d us\n", r.capture_time_us);
  
  	printf("Last matching time: ");
  	if (r.timestamps_invalid & FPSTATS_MATCHING_INV)
  		printf("Invalid\n");
  	else
  		printf("%d us (finger: %d)\n", r.matching_time_us,
  			r.template_matched);
  
  	printf("Last overall time:  ");
  	if (r.timestamps_invalid)
  		printf("Invalid\n");
  	else
  		printf("%d us\n", r.overall_time_us);
  
  	return 0;
  }
  
  int cmd_fp_info(int argc, char *argv[])
  {
  	struct ec_response_fp_info r;
  	int rv;
  	int cmdver = ec_cmd_version_supported(EC_CMD_FP_INFO, 1) ? 1 : 0;
  	int rsize = cmdver == 1 ? sizeof(r)
  				: sizeof(struct ec_response_fp_info_v0);
  	uint16_t dead;
  
  	rv = ec_command(EC_CMD_FP_INFO, cmdver, NULL, 0, &r, rsize);
  	if (rv < 0)
  		return rv;
  
  	printf("Fingerprint sensor: vendor %x product %x model %x version %x\n",
  		r.vendor_id, r.product_id, r.model_id, r.version);
  	printf("Image: size %dx%d %d bpp\n", r.width, r.height, r.bpp);
  	printf("Error flags: %s%s%s%s\n",
  	       r.errors & FP_ERROR_NO_IRQ ? "NO_IRQ " : "",
  	       r.errors & FP_ERROR_SPI_COMM ? "SPI_COMM " : "",
  	       r.errors & FP_ERROR_BAD_HWID ? "BAD_HWID " : "",
  	       r.errors & FP_ERROR_INIT_FAIL ? "INIT_FAIL " : "");
  	dead = FP_ERROR_DEAD_PIXELS(r.errors);
  	if (dead == FP_ERROR_DEAD_PIXELS_UNKNOWN) {
  		printf("Dead pixels: UNKNOWN\n");
  	} else {
  		printf("Dead pixels: %u\n", dead);
  	}
  
  	if (cmdver == 1) {
  		printf("Templates: version %d size %d count %d/%d"
  		       " dirty bitmap %x\n",
  		       r.template_version, r.template_size, r.template_valid,
  		       r.template_max, r.template_dirty);
  	}
  
  	return 0;
  }
  
  static void print_fp_enc_flags(const char *desc, uint32_t flags)
  {
  	printf("%s 0x%08x", desc, flags);
  	if (flags & FP_ENC_STATUS_SEED_SET)
  		printf(" FPTPM_seed_set");
  	printf("\n");
  }
  
  static int cmd_fp_context(int argc, char *argv[])
  {
  	struct ec_params_fp_context_v1 p;
  	int rv;
  	int tries = 20; /* Wait at most two seconds */
  
  	if (argc < 2) {
  		fprintf(stderr, "Usage: %s <context>\n", argv[0]);
  		return -1;
  	}
  
  	/*
  	 * Note that we treat the resulting "userid" as raw byte array, so we
  	 * don't want to copy the NUL from the end of the string.
  	 */
  	if (strlen(argv[1]) != sizeof(p.userid)) {
  		fprintf(stderr, "Context must be exactly %zu bytes\n",
  			sizeof(p.userid));
  		return -1;
  	}
  
  	p.action = FP_CONTEXT_ASYNC;
  	memcpy(p.userid, argv[1], sizeof(p.userid));
  
  	rv = ec_command(EC_CMD_FP_CONTEXT, 1, &p, sizeof(p), NULL, 0);
  
  	if (rv != EC_RES_SUCCESS)
  		goto out;
  
  	while (tries--) {
  		usleep(100000);
  
  		p.action = FP_CONTEXT_GET_RESULT;
  		rv = ec_command(EC_CMD_FP_CONTEXT, 1, &p, sizeof(p), NULL, 0);
  
  		if (rv == EC_RES_SUCCESS) {
  			printf("Set context successfully\n");
  			return EC_RES_SUCCESS;
  		}
  
  		/* Abort if EC returns an error other than EC_RES_BUSY. */
  		if (rv <= -EECRESULT && rv != -EECRESULT - EC_RES_BUSY)
  			goto out;
  	}
  
  	rv = -EECRESULT - EC_RES_TIMEOUT;
  
  out:
  	fprintf(stderr, "Failed to reset context: %d\n", rv);
  	return rv;
  }
  
  int cmd_fp_enc_status(int argc, char *argv[])
  {
  	int rv;
  	struct ec_response_fp_encryption_status resp = { 0 };
  
  	rv = ec_command(EC_CMD_FP_ENC_STATUS, 0, NULL, 0, &resp, sizeof(resp));
  	if (rv < 0) {
  		printf("Get FP sensor encryption status failed.\n");
  	} else {
  		print_fp_enc_flags("FPMCU encryption status:", resp.status);
  		print_fp_enc_flags("Valid flags:            ",
  				   resp.valid_flags);
  		rv = 0;
  	}
  	return rv;
  }
  
  int cmd_fp_frame(int argc, char *argv[])
  {
  	struct ec_response_fp_info r;
  	int idx = (argc == 2 && !strcasecmp(argv[1], "raw")) ?
  		FP_FRAME_INDEX_RAW_IMAGE : FP_FRAME_INDEX_SIMPLE_IMAGE;
  	uint8_t *buffer = (uint8_t *)(fp_download_frame(&r, idx));
  	uint8_t *ptr = buffer;
  	int x, y;
  
  	if (!buffer) {
  		fprintf(stderr, "Failed to get FP sensor frame\n");
  		return -1;
  	}
  
  	if (idx == FP_FRAME_INDEX_RAW_IMAGE) {
  		fwrite(buffer, r.frame_size, 1, stdout);
  		goto frame_done;
  	}
  
  	/* Print 8-bpp PGM ASCII header */
  	printf("P2\n%d %d\n%d\n", r.width, r.height, (1 << r.bpp) - 1);
  
  	for (y = 0; y < r.height; y++) {
  		for (x = 0; x < r.width; x++, ptr++)
  			printf("%d ", *ptr);
  		printf("\n");
  	}
  	printf("# END OF FILE\n");
  frame_done:
  	free(buffer);
  	return 0;
  }
  
  int cmd_fp_template(int argc, char *argv[])
  {
  	struct ec_response_fp_info r;
  	struct ec_params_fp_template *p =
  		(struct ec_params_fp_template *)(ec_outbuf);
  	/* TODO(b/78544921): removing 32 bits is a workaround for the MCU bug */
  	int max_chunk = ec_max_outsize
  			- offsetof(struct ec_params_fp_template, data) - 4;
  	int idx = -1;
  	char *e;
  	int size;
  	char *buffer = NULL;
  	uint32_t offset = 0;
  	int rv = 0;
  
  	if (argc < 2) {
  		fprintf(stderr, "Usage: %s [<infile>|<index>]\n", argv[0]);
  		return -1;
  	}
  
  	idx = strtol(argv[1], &e, 0);
  	if (!(e && *e)) {
  		buffer = (char *)(fp_download_frame(&r, idx + 1));
  		if (!buffer) {
  			fprintf(stderr, "Failed to get FP template %d\n", idx);
  			return -1;
  		}
  		fwrite(buffer, r.template_size, 1, stdout);
  		free(buffer);
  		return 0;
  	}
  	/* not an index, is it a filename ? */
  	buffer = read_file(argv[1], &size);
  	if (!buffer) {
  		fprintf(stderr, "Invalid parameter: %s\n", argv[1]);
  		return -1;
  	}
  	printf("sending template from: %s (%d bytes)\n", argv[1], size);
  	while (size) {
  		uint32_t tlen = MIN(max_chunk, size);
  
  		p->offset = offset;
  		p->size = tlen;
  		size -= tlen;
  		if (!size)
  			p->size |= FP_TEMPLATE_COMMIT;
  		memcpy(p->data, buffer + offset, tlen);
  		rv = ec_command(EC_CMD_FP_TEMPLATE, 0, p, tlen +
  				offsetof(struct ec_params_fp_template, data),
  				NULL, 0);
  		if (rv < 0)
  			break;
  		offset += tlen;
  	}
  	if (rv < 0)
  		fprintf(stderr, "Failed with %d\n", rv);
  	else
  		rv = 0;
  	free(buffer);
  	return rv;
  }
  
  /**
   * determine if in GFU mode or not.
   *
   * NOTE, Sends HOST commands that modify ec_outbuf contents.
   *
   * @opos return value of GFU mode object position or zero if not found
   * @port port number to query
   * @return 1 if in GFU mode, 0 if not, -1 if error
   */
  static int in_gfu_mode(int *opos, int port)
  {
  	int i;
  	struct ec_params_usb_pd_get_mode_request *p =
  		(struct ec_params_usb_pd_get_mode_request *)ec_outbuf;
  	struct ec_params_usb_pd_get_mode_response *r =
  		(struct ec_params_usb_pd_get_mode_response *)ec_inbuf;
  	p->port = port;
  	p->svid_idx = 0;
  	do {
  		ec_command(EC_CMD_USB_PD_GET_AMODE, 0, p, sizeof(*p),
  			   ec_inbuf, ec_max_insize);
  		if (!r->svid || (r->svid == USB_VID_GOOGLE))
  			break;
  		p->svid_idx++;
  	} while (p->svid_idx < SVID_DISCOVERY_MAX);
  
  	if (r->svid != USB_VID_GOOGLE) {
  		fprintf(stderr, "Google VID not returned\n");
  		return -1;
  	}
  
  	*opos = 0; /* invalid ... must be 1 thru 6 */
  	for (i = 0; i < PDO_MODES; i++) {
  		if (r->vdo[i] == MODE_GOOGLE_FU) {
  			*opos = i + 1;
  			break;
  		}
  	}
  
  	return r->opos == *opos;
  }
  
  /**
   * Enter GFU mode.
   *
   * NOTE, Sends HOST commands that modify ec_outbuf contents.
   *
   * @port port number to enter GFU on.
   * @return 1 if entered GFU mode, 0 if not, -1 if error
   */
  static int enter_gfu_mode(int port)
  {
  	int opos;
  	struct ec_params_usb_pd_set_mode_request *p =
  		(struct ec_params_usb_pd_set_mode_request *)ec_outbuf;
  	int gfu_mode = in_gfu_mode(&opos, port);
  
  	if (gfu_mode < 0) {
  		fprintf(stderr, "Failed to query GFU mode support\n");
  		return 0;
  	} else if (!gfu_mode) {
  		if (!opos) {
  			fprintf(stderr, "Invalid object position %d\n", opos);
  			return 0;
  		}
  		p->port = port;
  		p->svid = USB_VID_GOOGLE;
  		p->opos = opos;
  		p->cmd = PD_ENTER_MODE;
  
  		ec_command(EC_CMD_USB_PD_SET_AMODE, 0, p, sizeof(*p),
  			   NULL, 0);
  		usleep(500000); /* sleep to allow time for set mode */
  		gfu_mode = in_gfu_mode(&opos, port);
  	}
  	return gfu_mode;
  }
  
  int cmd_pd_device_info(int argc, char *argv[])
  {
  	int i, rv, port;
  	char *e;
  	struct ec_params_usb_pd_info_request *p =
  		(struct ec_params_usb_pd_info_request *)ec_outbuf;
  	struct ec_params_usb_pd_rw_hash_entry *r0 =
  		(struct ec_params_usb_pd_rw_hash_entry *)ec_inbuf;
  	struct ec_params_usb_pd_discovery_entry *r1;
  
  	if (argc < 2) {
  		fprintf(stderr, "Usage: %s <port>\n", argv[0]);
  		return -1;
  	}
  
  	port = strtol(argv[1], &e, 0);
  	if (e && *e) {
  		fprintf(stderr, "Bad port\n");
  		return -1;
  	}
  
  	p->port = port;
  	r1 = (struct ec_params_usb_pd_discovery_entry *)ec_inbuf;
  	rv = ec_command(EC_CMD_USB_PD_DISCOVERY, 0, p, sizeof(*p),
  			ec_inbuf, ec_max_insize);
  	if (rv < 0)
  		return rv;
  
  	if (!r1->vid)
  		printf("Port:%d has no discovered device\n", port);
  	else {
  		printf("Port:%d ptype:%d vid:0x%04x pid:0x%04x\n", port,
  		       r1->ptype, r1->vid, r1->pid);
  	}
  
  	if (enter_gfu_mode(port) != 1) {
  		fprintf(stderr, "Failed to enter GFU mode\n");
  		return -1;
  	}
  
  	p->port = port;
  	rv = ec_command(EC_CMD_USB_PD_DEV_INFO, 0, p, sizeof(*p),
  			ec_inbuf, ec_max_insize);
  	if (rv < 0)
  		return rv;
  
  	if (!r0->dev_id)
  		printf("Port:%d has no valid device\n", port);
  	else {
  		uint8_t *rwp = r0->dev_rw_hash;
  		printf("Port:%d DevId:%d.%d Hash:", port,
  		       HW_DEV_ID_MAJ(r0->dev_id), HW_DEV_ID_MIN(r0->dev_id));
  		for (i = 0; i < 5; i++) {
  			printf(" 0x%02x%02x%02x%02x", rwp[3], rwp[2], rwp[1],
  			       rwp[0]);
  			rwp += 4;
  		}
  		printf(" CurImg:%s\n", image_names[r0->current_image]);
  	}
  
  	return rv;
  }
  
  int cmd_flash_pd(int argc, char *argv[])
  {
  	struct ec_params_usb_pd_fw_update *p =
  		(struct ec_params_usb_pd_fw_update *)ec_outbuf;
  	int i, dev_id, port;
  	int rv, fsize, step = 96;
  	char *e;
  	char *buf;
  	char *data = (char *)p + sizeof(*p);
  
  	if (argc < 4) {
  		fprintf(stderr, "Usage: %s <dev_id> <port> <filename>\n",
  			argv[0]);
  		return -1;
  	}
  
  	dev_id = strtol(argv[1], &e, 0);
  	if (e && *e) {
  		fprintf(stderr, "Bad device ID\n");
  		return -1;
  	}
  
  	port = strtol(argv[2], &e, 0);
  	if (e && *e) {
  		fprintf(stderr, "Bad port\n");
  		return -1;
  	}
  
  	if (enter_gfu_mode(port) != 1) {
  		fprintf(stderr, "Failed to enter GFU mode\n");
  		return -1;
  	}
  
  	/* Read the input file */
  	buf = read_file(argv[3], &fsize);
  	if (!buf)
  		return -1;
  
  	/* Erase the current RW RSA signature */
  	fprintf(stderr, "Erasing expected RW hash\n");
  	p->dev_id = dev_id;
  	p->port = port;
  	p->cmd = USB_PD_FW_ERASE_SIG;
  	p->size = 0;
  	rv = ec_command(EC_CMD_USB_PD_FW_UPDATE, 0,
  			p, p->size + sizeof(*p), NULL, 0);
  
  	if (rv < 0)
  		goto pd_flash_error;
  
  	/* Reboot */
  	fprintf(stderr, "Rebooting\n");
  	p->dev_id = dev_id;
  	p->port = port;
  	p->cmd = USB_PD_FW_REBOOT;
  	p->size = 0;
  	rv = ec_command(EC_CMD_USB_PD_FW_UPDATE, 0,
  			p, p->size + sizeof(*p), NULL, 0);
  
  	if (rv < 0)
  		goto pd_flash_error;
  
  	usleep(3000000); /* 3sec to reboot and get CC line idle */
  
  	/* re-enter GFU after reboot */
  	if (enter_gfu_mode(port) != 1) {
  		fprintf(stderr, "Failed to enter GFU mode\n");
  		goto pd_flash_error;
  	}
  
  	/* Erase RW flash */
  	fprintf(stderr, "Erasing RW flash\n");
  	p->dev_id = dev_id;
  	p->port = port;
  	p->cmd = USB_PD_FW_FLASH_ERASE;
  	p->size = 0;
  	rv = ec_command(EC_CMD_USB_PD_FW_UPDATE, 0,
  			p, p->size + sizeof(*p), NULL, 0);
  
  	/* 3 secs should allow ample time for 2KB page erases at 40ms */
  	usleep(3000000);
  
  	if (rv < 0)
  		goto pd_flash_error;
  
  	/* Write RW flash */
  	fprintf(stderr, "Writing RW flash\n");
  	p->dev_id = dev_id;
  	p->port = port;
  	p->cmd = USB_PD_FW_FLASH_WRITE;
  	p->size = step;
  
  	for (i = 0; i < fsize; i += step) {
  		p->size = MIN(fsize - i, step);
  		memcpy(data, buf + i, p->size);
  		rv = ec_command(EC_CMD_USB_PD_FW_UPDATE, 0,
  				p, p->size + sizeof(*p), NULL, 0);
  		if (rv < 0)
  			goto pd_flash_error;
  
  		/*
  		 * TODO(crosbug.com/p/33905) throttle so EC doesn't watchdog on
  		 * other tasks.  Remove once issue resolved.
  		 */
  		usleep(10000);
  	}
  
  	/* 100msec to guarantee writes finish */
  	usleep(100000);
  
  	/* Reboot into new RW */
  	fprintf(stderr, "Rebooting PD into new RW\n");
  	p->cmd = USB_PD_FW_REBOOT;
  	p->size = 0;
  	rv = ec_command(EC_CMD_USB_PD_FW_UPDATE, 0,
  			p, p->size + sizeof(*p), NULL, 0);
  
  	if (rv < 0)
  		goto pd_flash_error;
  
  	free(buf);
  	fprintf(stderr, "Complete\n");
  	return 0;
  
  pd_flash_error:
  	free(buf);
  	fprintf(stderr, "PD flash error\n");
  	return -1;
  }
  
  int cmd_pd_set_amode(int argc, char *argv[])
  {
  	char *e;
  	struct ec_params_usb_pd_set_mode_request *p =
  		(struct ec_params_usb_pd_set_mode_request *)ec_outbuf;
  
  	if (argc < 5) {
  		fprintf(stderr, "Usage: %s <port> <svid> <opos> <cmd>\n",
  			argv[0]);
  		return -1;
  	}
  
  	p->port = strtol(argv[1], &e, 0);
  	if (e && *e) {
  		fprintf(stderr, "Bad port\n");
  		return -1;
  	}
  
  	p->svid = strtol(argv[2], &e, 0);
  	if ((e && *e) || !p->svid) {
  		fprintf(stderr, "Bad svid\n");
  		return -1;
  	}
  
  	p->opos = strtol(argv[3], &e, 0);
  	if ((e && *e) || !p->opos) {
  		fprintf(stderr, "Bad opos\n");
  		return -1;
  	}
  
  	p->cmd = strtol(argv[4], &e, 0);
  	if ((e && *e) || (p->cmd >= PD_MODE_CMD_COUNT)) {
  		fprintf(stderr, "Bad cmd\n");
  		return -1;
  	}
  	return ec_command(EC_CMD_USB_PD_SET_AMODE, 0, p, sizeof(*p), NULL, 0);
  }
  
  int cmd_pd_get_amode(int argc, char *argv[])
  {
  	int i;
  	char *e;
  	struct ec_params_usb_pd_get_mode_request *p =
  		(struct ec_params_usb_pd_get_mode_request *)ec_outbuf;
  	struct ec_params_usb_pd_get_mode_response *r =
  		(struct ec_params_usb_pd_get_mode_response *)ec_inbuf;
  
  	if (argc < 2) {
  		fprintf(stderr, "Usage: %s <port>\n", argv[0]);
  		return -1;
  	}
  
  	p->port = strtol(argv[1], &e, 0);
  	if (e && *e) {
  		fprintf(stderr, "Bad port\n");
  		return -1;
  	}
  
  	p->svid_idx = 0;
  	do {
  		ec_command(EC_CMD_USB_PD_GET_AMODE, 0, p, sizeof(*p),
  			   ec_inbuf, ec_max_insize);
  		if (!r->svid)
  			break;
  		printf("%cSVID:0x%04x ", (r->opos) ? '*' : ' ',
  		       r->svid);
  		for (i = 0; i < PDO_MODES; i++) {
  			printf("%c0x%08x ", (r->opos && (r->opos == i + 1)) ?
  			       '*' : ' ', r->vdo[i]);
  		}
  		printf("\n");
  		p->svid_idx++;
  	} while (p->svid_idx < SVID_DISCOVERY_MAX);
  	return -1;
  }
  
  /* The I/O asm funcs exist only on x86. */
  #if defined(__i386__) || defined(__x86_64__)
  #include <sys/io.h>
  
  int cmd_serial_test(int argc, char *argv[])
  {
  	const char *c = "COM2 sample serial output from host!\r\n";
  
  	printf("Writing sample serial output to COM2\n");
  
  	while (*c) {
  		/* Wait for space in transmit FIFO */
  		while (!(inb(0x2fd) & 0x20))
  			;
  
  		/* Put the next character */
  		outb(*c++, 0x2f8);
  	}
  
  	printf("done.\n");
  	return 0;
  }
  
  
  int cmd_port_80_flood(int argc, char *argv[])
  {
  	int i;
  
  	for (i = 0; i < 256; i++)
  		outb(i, 0x80);
  	return 0;
  }
  #else
  int cmd_serial_test(int argc, char *argv[])
  {
  	printf("x86 specific command\n");
  	return -1;
  }
  
  int cmd_port_80_flood(int argc, char *argv[])
  {
  	printf("x86 specific command\n");
  	return -1;
  }
  #endif
  
  static void cmd_smart_discharge_usage(const char *command)
  {
  	printf("Usage: %s [hours_to_zero [hibern] [cutoff]]\n", command);
  	printf("\n");
  	printf("Set/Get smart discharge parameters\n");
  	printf("hours_to_zero: Desired hours for state of charge to zero\n");
  	printf("hibern: Discharge rate in hibernation (uA)\n");
  	printf("cutoff: Discharge rate in battery cutoff (uA)\n");
  }
  
  int cmd_smart_discharge(int argc, char *argv[])
  {
  	struct ec_params_smart_discharge *p =
  		(struct ec_params_smart_discharge *)(ec_outbuf);
  	struct ec_response_smart_discharge *r =
  		(struct ec_response_smart_discharge *)(ec_inbuf);
  	uint32_t cap;
  	char *e;
  	int rv;
  
  	if (argc > 1) {
  		if (strcmp(argv[1], "help") == 0) {
  			cmd_smart_discharge_usage(argv[0]);
  			return 0;
  		}
  		p->flags = EC_SMART_DISCHARGE_FLAGS_SET;
  		p->hours_to_zero = strtol(argv[1], &e, 0);
  		if (p->hours_to_zero < 0 || (e && *e)) {
  			perror("Bad value for [hours_to_zero]");
  			return -1;
  		}
  		if (argc == 4) {
  			p->drate.hibern = strtol(argv[2], &e, 0);
  			if (p->drate.hibern < 0 || (e && *e)) {
  				perror("Bad value for [hibern]");
  				return -1;
  			}
  			p->drate.cutoff = strtol(argv[3], &e, 0);
  			if (p->drate.cutoff < 0 || (e && *e)) {
  				perror("Bad value for [cutoff]");
  				return -1;
  			}
  		} else if (argc != 2) {
  			/* If argc != 4, it has to be 2. */
  			perror("Invalid number of parameters");
  			return -1;
  		}
  	}
  
  	rv = ec_command(EC_CMD_SMART_DISCHARGE, 0, p, sizeof(*p),
  			r, ec_max_insize);
  	if (rv < 0) {
  		perror("ERROR: EC_CMD_SMART_DISCHARGE failed");
  		return rv;
  	}
  
  	cap = read_mapped_mem32(EC_MEMMAP_BATT_LFCC);
  	if (!is_battery_range(cap)) {
  		perror("WARN: Failed to read battery capacity");
  		cap = 0;
  	}
  
  	printf("%-27s %5d h\n", "Hours to zero capacity:", r->hours_to_zero);
  	printf("%-27s %5d mAh (%d %%)\n", "Stay-up threshold:",
  	       r->dzone.stayup, cap > 0 ? r->dzone.stayup * 100 / cap : -1);
  	printf("%-27s %5d mAh (%d %%)\n", "Cutoff threshold:",
  	       r->dzone.cutoff, cap > 0 ? r->dzone.cutoff * 100 / cap : -1);
  	printf("%-27s %5d uA\n", "Hibernate discharge rate:", r->drate.hibern);
  	printf("%-27s %5d uA\n", "Cutoff discharge rate:", r->drate.cutoff);
  
  	return 0;
  }
  
  /*
   * This boolean variable and handler are used for
   * catching signals that translate into a quit/shutdown
   * of a runtime loop.
   * This is used in cmd_stress_test.
   */
  static bool sig_quit;
  static void sig_quit_handler(int sig)
  {
  	sig_quit = true;
  }
  
  int cmd_stress_test(int argc, char *argv[])
  {
  	int i;
  	bool reboot = false;
  	time_t now;
  	time_t start_time, last_update_time;
  	unsigned int rand_seed = 0;
  	uint64_t round = 1, attempt = 1;
  	uint64_t failures = 0;
  
  	const int max_sleep_usec = 1000; /* 1ms */
  	const int loop_update_interval = 10000;
  
  	for (i = 1; i < argc; i++) {
  		if (strcmp(argv[i], "help") == 0) {
  			printf("Usage: %s [reboot] [help]\n", argv[0]);
  			printf("Stress tests the host command interface by"
  			       " repeatedly issuing common host commands.\n");
  			printf("The intent is to expose errors in kernel<->mcu"
  			       " communication, such as exceeding timeouts.\n");
  			printf("\n");
  			printf("reboot - Reboots the target before"
  			       " starting the stress test.\n");
  			printf("         This may force restart the host,"
  			       " if the main ec is the target.\n");
  			return 0;
  		} else if (strcmp(argv[i], "reboot") == 0) {
  			reboot = true;
  		} else {
  			fprintf(stderr, "Error - Unknown argument '%s'\n",
  				argv[i]);
  			return 1;
  		}
  	}
  
  	printf("Stress test tool version: %s %s %s\n",
  	       CROS_ECTOOL_VERSION, DATE, BUILDER);
  
  	start_time = time(NULL);
  	last_update_time = start_time;
  	printf("Start time: %s\n", ctime(&start_time));
  
  	if (reboot) {
  		printf("Issuing ec reboot. Expect a few early failed"
  		       " ioctl messages.\n");
  		ec_command(EC_CMD_REBOOT, 0, NULL, 0, NULL, 0);
  		sleep(2);
  	}
  
  	sig_quit = false;
  	signal(SIGINT, sig_quit_handler);
  	while (!sig_quit) {
  		int rv;
  		struct ec_response_get_version ver_r;
  		char *build_string = (char *)ec_inbuf;
  		struct ec_params_flash_protect flash_p;
  		struct ec_response_flash_protect flash_r;
  		struct ec_params_hello hello_p;
  		struct ec_response_hello hello_r;
  
  		/* Request EC Version Strings */
  		rv = ec_command(EC_CMD_GET_VERSION, 0,
  				NULL, 0, &ver_r, sizeof(ver_r));
  		if (rv < 0) {
  			failures++;
  			perror("ERROR: EC_CMD_GET_VERSION failed");
  		}
  		ver_r.version_string_ro[sizeof(ver_r.version_string_ro) - 1]
  			= '\0';
  		ver_r.version_string_rw[sizeof(ver_r.version_string_rw) - 1]
  			= '\0';
  		if (strlen(ver_r.version_string_ro) == 0) {
  			failures++;
  			fprintf(stderr, "RO version string is empty\n");
  		}
  		if (strlen(ver_r.version_string_rw) == 0) {
  			failures++;
  			fprintf(stderr, "RW version string is empty\n");
  		}
  
  		usleep(rand_r(&rand_seed) % max_sleep_usec);
  
  		/* Request EC Build String */
  		rv = ec_command(EC_CMD_GET_BUILD_INFO, 0,
  				NULL, 0, ec_inbuf, ec_max_insize);
  		if (rv < 0) {
  			failures++;
  			perror("ERROR: EC_CMD_GET_BUILD_INFO failed");
  		}
  		build_string[ec_max_insize - 1] = '\0';
  		if (strlen(build_string) == 0) {
  			failures++;
  			fprintf(stderr, "Build string is empty\n");
  		}
  
  		usleep(rand_r(&rand_seed) % max_sleep_usec);
  
  		/* Request Flash Protect Status */
  		rv = ec_command(EC_CMD_FLASH_PROTECT, EC_VER_FLASH_PROTECT,
  				&flash_p, sizeof(flash_p), &flash_r,
  				sizeof(flash_r));
  		if (rv < 0) {
  			failures++;
  			perror("ERROR: EC_CMD_FLASH_PROTECT failed");
  		}
  
  		usleep(rand_r(&rand_seed) % max_sleep_usec);
  
  		/* Request Hello */
  		hello_p.in_data = 0xa0b0c0d0;
  		rv = ec_command(EC_CMD_HELLO, 0, &hello_p, sizeof(hello_p),
  				&hello_r, sizeof(hello_r));
  		if (rv < 0) {
  			failures++;
  			perror("ERROR: EC_CMD_HELLO failed");
  		}
  		if (hello_r.out_data != HELLO_RESP(hello_p.in_data)) {
  			failures++;
  			fprintf(stderr, "Hello response was invalid.\n");
  		}
  
  		usleep(rand_r(&rand_seed) % max_sleep_usec);
  
  		if ((attempt % loop_update_interval) == 0) {
  			now = time(NULL);
  			printf("Update: attempt %" PRIu64 " round %" PRIu64
  			       " | took %.f seconds\n",
  			       attempt, round,
  			       difftime(now, last_update_time));
  			last_update_time = now;
  		}
  
  		if (attempt++ == UINT64_MAX)
  			round++;
  	}
  	printf("\n");
  
  	now = time(NULL);
  	printf("End time:        %s\n", ctime(&now));
  	printf("Total runtime:   %.f seconds\n",
  		difftime(time(NULL), start_time));
  	printf("Total failures:  %" PRIu64 "\n", failures);
  	return 0;
  }
  
  int read_mapped_temperature(int id)
  {
  	int rv;
  
  	if (!read_mapped_mem8(EC_MEMMAP_THERMAL_VERSION)) {
  		/*
  		 *  The temp_sensor_init() is not called, which implies no
  		 * temp sensor is defined.
  		 */
  		rv = EC_TEMP_SENSOR_NOT_PRESENT;
  	} else if (id < EC_TEMP_SENSOR_ENTRIES)
  		rv = read_mapped_mem8(EC_MEMMAP_TEMP_SENSOR + id);
  	else if (read_mapped_mem8(EC_MEMMAP_THERMAL_VERSION) >= 2)
  		rv = read_mapped_mem8(EC_MEMMAP_TEMP_SENSOR_B +
  				      id - EC_TEMP_SENSOR_ENTRIES);
  	else {
  		/* Sensor in second bank, but second bank isn't supported */
  		rv = EC_TEMP_SENSOR_NOT_PRESENT;
  	}
  	return rv;
  }
  
  static int get_thermal_fan_percent(int temp, int sensor_id)
  {
  	struct ec_params_thermal_get_threshold_v1 p;
  	struct ec_thermal_config r;
  	int rv = 0;
  
  	p.sensor_num = sensor_id;
  	rv = ec_command(EC_CMD_THERMAL_GET_THRESHOLD, 1, &p, sizeof(p),
  			&r, sizeof(r));
  
  	if (rv <= 0 || r.temp_fan_max == r.temp_fan_off)
  		return -1;
  	if (temp < r.temp_fan_off)
  		return 0;
  	if (temp > r.temp_fan_max)
  		return 100;
  	return 100 * (temp - r.temp_fan_off) /
  		     (r.temp_fan_max - r.temp_fan_off);
  }
  
  static int cmd_temperature_print(int id, int mtemp)
  {
  	struct ec_response_temp_sensor_get_info r;
  	struct ec_params_temp_sensor_get_info p;
  	int rc;
  	int temp = mtemp + EC_TEMP_SENSOR_OFFSET;
  
  	p.id = id;
  	rc = ec_command(EC_CMD_TEMP_SENSOR_GET_INFO, 0, &p, sizeof(p),
  			&r, sizeof(r));
  	if (rc < 0)
  		return rc;
  	printf("%-20s  %d K (= %d C) %11d%%\n", r.sensor_name, temp,
  	       K_TO_C(temp), get_thermal_fan_percent(temp, id));
  
  	return 0;
  }
  
  int cmd_temperature(int argc, char *argv[])
  {
  	int mtemp;
  	int id;
  	char *e;
  	const char header[] = "--sensor name -------- temperature "
  			      "-------- fan speed --\n";
  
  	if (argc != 2) {
  		fprintf(stderr, "Usage: %s <sensorid> | all\n", argv[0]);
  		return -1;
  	}
  
  	if (strcmp(argv[1], "all") == 0) {
  		fprintf(stdout, header);
  		for (id = 0; id < EC_MAX_TEMP_SENSOR_ENTRIES; id++) {
  			mtemp = read_mapped_temperature(id);
  			switch (mtemp) {
  			case EC_TEMP_SENSOR_NOT_PRESENT:
  				break;
  			case EC_TEMP_SENSOR_ERROR:
  				fprintf(stderr, "Sensor %d error\n", id);
  				break;
  			case EC_TEMP_SENSOR_NOT_POWERED:
  				fprintf(stderr, "Sensor %d disabled\n", id);
  				break;
  			case EC_TEMP_SENSOR_NOT_CALIBRATED:
  				fprintf(stderr, "Sensor %d not calibrated\n",
  					id);
  				break;
  			default:
  				cmd_temperature_print(id, mtemp);
  			}
  		}
  		return 0;
  	}
  
  	id = strtol(argv[1], &e, 0);
  	if (e && *e) {
  		fprintf(stderr, "Bad sensor ID.\n");
  		return -1;
  	}
  
  	if (id < 0 ||
  	    id >= EC_MAX_TEMP_SENSOR_ENTRIES) {
  		printf("Sensor ID invalid.\n");
  		return -1;
  	}
  
  	printf("Reading temperature...");
  	mtemp = read_mapped_temperature(id);
  
  	switch (mtemp) {
  	case EC_TEMP_SENSOR_NOT_PRESENT:
  		printf("Sensor not present\n");
  		return -1;
  	case EC_TEMP_SENSOR_ERROR:
  		printf("Error\n");
  		return -1;
  	case EC_TEMP_SENSOR_NOT_POWERED:
  		printf("Sensor disabled/unpowered\n");
  		return -1;
  	case EC_TEMP_SENSOR_NOT_CALIBRATED:
  		fprintf(stderr, "Sensor not calibrated\n");
  		return -1;
  	default:
  		fprintf(stdout, "\n");
  		fprintf(stdout, header);
  		return cmd_temperature_print(id, mtemp);
  	}
  }
  
  
  int cmd_temp_sensor_info(int argc, char *argv[])
  {
  	struct ec_params_temp_sensor_get_info p;
  	struct ec_response_temp_sensor_get_info r;
  	int rv;
  	char *e;
  
  	if (argc != 2) {
  		fprintf(stderr, "Usage: %s <sensorid> | all\n", argv[0]);
  		return -1;
  	}
  
  	if (strcmp(argv[1], "all") == 0) {
  		for (p.id = 0; p.id < EC_MAX_TEMP_SENSOR_ENTRIES; p.id++) {
  			if (read_mapped_temperature(p.id) ==
  			    EC_TEMP_SENSOR_NOT_PRESENT)
  				continue;
  			rv = ec_command(EC_CMD_TEMP_SENSOR_GET_INFO, 0,
  					&p, sizeof(p), &r, sizeof(r));
  			if (rv < 0)
  				continue;
  			printf("%d: %d %s\n", p.id, r.sensor_type,
  			       r.sensor_name);
  		}
  		return 0;
  	}
  
  	p.id = strtol(argv[1], &e, 0);
  	if (e && *e) {
  		fprintf(stderr, "Bad sensor ID.\n");
  		return -1;
  	}
  
  	rv = ec_command(EC_CMD_TEMP_SENSOR_GET_INFO, 0,
  			&p, sizeof(p), &r, sizeof(r));
  	if (rv < 0)
  		return rv;
  
  	printf("Sensor name: %s\n", r.sensor_name);
  	printf("Sensor type: %d\n", r.sensor_type);
  
  	return 0;
  }
  
  
  int cmd_thermal_get_threshold_v0(int argc, char *argv[])
  {
  	struct ec_params_thermal_get_threshold p;
  	struct ec_response_thermal_get_threshold r;
  	char *e;
  	int rv;
  
  	if (argc != 3) {
  		fprintf(stderr,
  			"Usage: %s <sensortypeid> <thresholdid>\n", argv[0]);
  		return -1;
  	}
  
  	p.sensor_type = strtol(argv[1], &e, 0);
  	if (e && *e) {
  		fprintf(stderr, "Bad sensor type ID.\n");
  		return -1;
  	}
  
  	p.threshold_id = strtol(argv[2], &e, 0);
  	if (e && *e) {
  		fprintf(stderr, "Bad threshold ID.\n");
  		return -1;
  	}
  
  	rv = ec_command(EC_CMD_THERMAL_GET_THRESHOLD, 0,
  			&p, sizeof(p), &r, sizeof(r));
  	if (rv < 0)
  		return rv;
  
  	printf("Threshold %d for sensor type %d is %d K.\n",
  			p.threshold_id, p.sensor_type, r.value);
  
  	return 0;
  }
  
  
  int cmd_thermal_set_threshold_v0(int argc, char *argv[])
  {
  	struct ec_params_thermal_set_threshold p;
  	char *e;
  	int rv;
  
  	if (argc != 4) {
  		fprintf(stderr,
  			"Usage: %s <sensortypeid> <thresholdid> <value>\n",
  			argv[0]);
  		return -1;
  	}
  
  	p.sensor_type = strtol(argv[1], &e, 0);
  	if (e && *e) {
  		fprintf(stderr, "Bad sensor type ID.\n");
  		return -1;
  	}
  
  	p.threshold_id = strtol(argv[2], &e, 0);
  	if (e && *e) {
  		fprintf(stderr, "Bad threshold ID.\n");
  		return -1;
  	}
  
  	p.value = strtol(argv[3], &e, 0);
  	if (e && *e) {
  		fprintf(stderr, "Bad threshold value.\n");
  		return -1;
  	}
  
  	rv = ec_command(EC_CMD_THERMAL_SET_THRESHOLD, 0,
  			&p, sizeof(p), NULL, 0);
  	if (rv < 0)
  		return rv;
  
  	printf("Threshold %d for sensor type %d set to %d.\n",
  			p.threshold_id, p.sensor_type, p.value);
  
  	return 0;
  }
  
  
  int cmd_thermal_get_threshold_v1(int argc, char *argv[])
  {
  	struct ec_params_thermal_get_threshold_v1 p;
  	struct ec_thermal_config r;
  	struct ec_params_temp_sensor_get_info pi;
  	struct ec_response_temp_sensor_get_info ri;
  	int rv;
  	int i;
  
  	printf("sensor  warn  high  halt   fan_off fan_max   name\n");
  	for (i = 0; i < EC_MAX_TEMP_SENSOR_ENTRIES; i++) {
  
  		/* ask for one */
  		p.sensor_num = i;
  		rv = ec_command(EC_CMD_THERMAL_GET_THRESHOLD, 1,
  				&p, sizeof(p), &r, sizeof(r));
  		if (rv <= 0)		/* stop on first failure */
  			break;
  
  		/* ask for its name, too */
  		pi.id = i;
  		rv = ec_command(EC_CMD_TEMP_SENSOR_GET_INFO, 0,
  				&pi, sizeof(pi), &ri, sizeof(ri));
  
  		/* print what we know */
  		printf(" %2d      %3d   %3d    %3d    %3d     %3d     %s\n",
  		       i,
  		       r.temp_host[EC_TEMP_THRESH_WARN],
  		       r.temp_host[EC_TEMP_THRESH_HIGH],
  		       r.temp_host[EC_TEMP_THRESH_HALT],
  		       r.temp_fan_off, r.temp_fan_max,
  		       rv > 0 ? ri.sensor_name : "?");
  	}
  	if (i)
  		printf("(all temps in degrees Kelvin)\n");
  
  	return 0;
  }
  
  int cmd_thermal_set_threshold_v1(int argc, char *argv[])
  {
  	struct ec_params_thermal_get_threshold_v1 p;
  	struct ec_thermal_config r;
  	struct ec_params_thermal_set_threshold_v1 s;
  	int i, n, val, rv;
  	char *e;
  
  	if (argc < 3 || argc > 7) {
  		printf("Usage: %s"
  		       " sensor warn [high [shutdown [fan_off [fan_max]]]]\n",
  		       argv[0]);
  		return 1;
  	}
  
  	n = strtod(argv[1], &e);
  	if (e && *e) {
  		printf("arg %d is invalid\n", 1);
  		return 1;
  	}
  
  	p.sensor_num = n;
  	rv = ec_command(EC_CMD_THERMAL_GET_THRESHOLD, 1,
  			&p, sizeof(p), &r, sizeof(r));
  	if (rv <= 0)
  		return rv;
  
  	s.sensor_num = n;
  	s.cfg = r;
  
  	for (i = 2; i < argc; i++) {
  		val = strtod(argv[i], &e);
  		if (e && *e) {
  			printf("arg %d is invalid\n", i);
  			return 1;
  		}
  
  		if (val < 0)
  			continue;
  		switch (i) {
  		case 2:
  		case 3:
  		case 4:
  			s.cfg.temp_host[i-2] = val;
  			break;
  		case 5:
  			s.cfg.temp_fan_off = val;
  			break;
  		case 6:
  			s.cfg.temp_fan_max = val;
  			break;
  		}
  	}
  
  	rv = ec_command(EC_CMD_THERMAL_SET_THRESHOLD, 1,
  			&s, sizeof(s), NULL, 0);
  
  	return rv;
  }
  
  int cmd_thermal_get_threshold(int argc, char *argv[])
  {
  	if (ec_cmd_version_supported(EC_CMD_THERMAL_GET_THRESHOLD, 1))
  		return cmd_thermal_get_threshold_v1(argc, argv);
  	else if (ec_cmd_version_supported(EC_CMD_THERMAL_GET_THRESHOLD, 0))
  		return cmd_thermal_get_threshold_v0(argc, argv);
  
  	printf("I got nuthin.\n");
  	return -1;
  }
  
  int cmd_thermal_set_threshold(int argc, char *argv[])
  {
  	if (ec_cmd_version_supported(EC_CMD_THERMAL_SET_THRESHOLD, 1))
  		return cmd_thermal_set_threshold_v1(argc, argv);
  	else if (ec_cmd_version_supported(EC_CMD_THERMAL_SET_THRESHOLD, 0))
  		return cmd_thermal_set_threshold_v0(argc, argv);
  
  	printf("I got nuthin.\n");
  	return -1;
  }
  
  
  static int get_num_fans(void)
  {
  	int idx, rv;
  	struct ec_response_get_features r;
  
  	/*
  	 * iff the EC supports the GET_FEATURES,
  	 * check whether it has fan support enabled.
  	 */
  	rv = ec_command(EC_CMD_GET_FEATURES, 0, NULL, 0, &r, sizeof(r));
  	if (rv >= 0 && !(r.flags[0] & BIT(EC_FEATURE_PWM_FAN)))
  		return 0;
  
  	for (idx = 0; idx < EC_FAN_SPEED_ENTRIES; idx++) {
  		rv = read_mapped_mem16(EC_MEMMAP_FAN + 2 * idx);
  		if (rv == EC_FAN_SPEED_NOT_PRESENT)
  			break;
  	}
  
  	return idx;
  }
  
  int cmd_thermal_auto_fan_ctrl(int argc, char *argv[])
  {
  	int rv, num_fans;
  	struct ec_params_auto_fan_ctrl_v1 p_v1;
  	char *e;
  	int cmdver = 1;
  
  	if (!ec_cmd_version_supported(EC_CMD_THERMAL_AUTO_FAN_CTRL, cmdver)
  	    || (argc == 1)) {
  		/* If no argument is provided then enable auto fan ctrl */
  		/* for all fans by using version 0 of the host command */
  
  		rv = ec_command(EC_CMD_THERMAL_AUTO_FAN_CTRL, 0,
  				NULL, 0, NULL, 0);
  		if (rv < 0)
  			return rv;
  
  		printf("Automatic fan control is now on for all fans.\n");
  		return 0;
  	}
  
  	if (argc > 2 || !strcmp(argv[1], "help")) {
  		printf("Usage: %s [idx]\n", argv[0]);
  		return -1;
  	}
  
  	num_fans = get_num_fans();
  	p_v1.fan_idx = strtol(argv[1], &e, 0);
  	if ((e && *e) || (p_v1.fan_idx >= num_fans)) {
  		fprintf(stderr, "Bad fan index.\n");
  		return -1;
  	}
  
  	rv = ec_command(EC_CMD_THERMAL_AUTO_FAN_CTRL, cmdver,
  			&p_v1, sizeof(p_v1), NULL, 0);
  	if (rv < 0)
  		return rv;
  
  	printf("Automatic fan control is now on for fan %d\n", p_v1.fan_idx);
  
  	return 0;
  }
  
  static int print_fan(int idx)
  {
  	int rv = read_mapped_mem16(EC_MEMMAP_FAN + 2 * idx);
  
  	switch (rv) {
  	case EC_FAN_SPEED_NOT_PRESENT:
  		return -1;
  	case EC_FAN_SPEED_STALLED:
  		printf("Fan %d stalled!\n", idx);
  		break;
  	default:
  		printf("Fan %d RPM: %d\n", idx, rv);
  		break;
  	}
  
  	return 0;
  }
  
  int cmd_pwm_get_num_fans(int argc, char *argv[])
  {
  	int num_fans;
  
  	num_fans = get_num_fans();
  
  	printf("Number of fans = %d\n", num_fans);
  
  	return 0;
  }
  
  int cmd_pwm_get_fan_rpm(int argc, char *argv[])
  {
  	int i, num_fans;
  
  	num_fans = get_num_fans();
  	if (argc < 2 || !strcasecmp(argv[1], "all")) {
  		/* Print all the fan speeds */
  		for (i = 0; i < num_fans; i++)
  			print_fan(i);
  	} else {
  		char *e;
  		int idx;
  
  		idx = strtol(argv[1], &e, 0);
  		if ((e && *e) || idx < 0 || idx >= num_fans) {
  			fprintf(stderr, "Bad index.\n");
  			return -1;
  		}
  
  		print_fan(idx);
  	}
  
  	return 0;
  }
  
  
  int cmd_pwm_set_fan_rpm(int argc, char *argv[])
  {
  	struct ec_params_pwm_set_fan_target_rpm_v1 p_v1;
  	char *e;
  	int rv, num_fans;
  	int cmdver = 1;
  
  	if (!ec_cmd_version_supported(EC_CMD_PWM_SET_FAN_TARGET_RPM, cmdver)) {
  		struct ec_params_pwm_set_fan_target_rpm_v0 p_v0;
  
  		/* Fall back to command version 0 command */
  		cmdver = 0;
  
  		if (argc != 2) {
  			fprintf(stderr,
  				"Usage: %s <targetrpm>\n", argv[0]);
  			return -1;
  		}
  		p_v0.rpm = strtol(argv[1], &e, 0);
  		if (e && *e) {
  			fprintf(stderr, "Bad RPM.\n");
  			return -1;
  		}
  
  		rv = ec_command(EC_CMD_PWM_SET_FAN_TARGET_RPM, cmdver,
  				&p_v0, sizeof(p_v0), NULL, 0);
  		if (rv < 0)
  			return rv;
  
  		printf("Fan target RPM set for all fans.\n");
  		return 0;
  	}
  
  	if (argc > 3 || (argc == 2 && !strcmp(argv[1], "help")) || argc == 1) {
  		printf("Usage: %s [idx] <targetrpm>\n", argv[0]);
  		printf("'%s 0 3000' - Set fan 0 RPM to 3000\n", argv[0]);
  		printf("'%s 3000' - Set all fans RPM to 3000\n", argv[0]);
  		return -1;
  	}
  
  	num_fans = get_num_fans();
  	p_v1.rpm = strtol(argv[argc - 1], &e, 0);
  	if (e && *e) {
  		fprintf(stderr, "Bad RPM.\n");
  		return -1;
  	}
  
  	if (argc == 2) {
  		/* Reuse version 0 command if we're setting targetrpm
  		 * for all fans */
  		struct ec_params_pwm_set_fan_target_rpm_v0 p_v0;
  
  		cmdver = 0;
  		p_v0.rpm = p_v1.rpm;
  
  		rv = ec_command(EC_CMD_PWM_SET_FAN_TARGET_RPM, cmdver,
  				&p_v0, sizeof(p_v0), NULL, 0);
  		if (rv < 0)
  			return rv;
  
  		printf("Fan target RPM set for all fans.\n");
  	} else {
  		p_v1.fan_idx = strtol(argv[1], &e, 0);
  		if ((e && *e) || (p_v1.fan_idx >= num_fans)) {
  			fprintf(stderr, "Bad fan index.\n");
  			return -1;
  		}
  
  		rv = ec_command(EC_CMD_PWM_SET_FAN_TARGET_RPM, cmdver,
  				&p_v1, sizeof(p_v1), NULL, 0);
  		if (rv < 0)
  			return rv;
  
  		printf("Fan %d target RPM set.\n", p_v1.fan_idx);
  	}
  
  	return 0;
  }
  
  int cmd_pwm_get_keyboard_backlight(int argc, char *argv[])
  {
  	struct ec_response_pwm_get_keyboard_backlight r;
  	int rv;
  
  	rv = ec_command(EC_CMD_PWM_GET_KEYBOARD_BACKLIGHT, 0,
  			NULL, 0, &r, sizeof(r));
  	if (rv < 0)
  		return rv;
  
  	if (r.enabled == 1)
  		printf("Current keyboard backlight percent: %d\n", r.percent);
  	else
  		printf("Keyboard backlight disabled.\n");
  
  	return 0;
  }
  
  
  int cmd_pwm_set_keyboard_backlight(int argc, char *argv[])
  {
  	struct ec_params_pwm_set_keyboard_backlight p;
  	char *e;
  	int rv;
  
  	if (argc != 2) {
  		fprintf(stderr, "Usage: %s <percent>\n", argv[0]);
  		return -1;
  	}
  	p.percent = strtol(argv[1], &e, 0);
  	if (e && *e) {
  		fprintf(stderr, "Bad percent.\n");
  		return -1;
  	}
  
  	rv = ec_command(EC_CMD_PWM_SET_KEYBOARD_BACKLIGHT, 0,
  			&p, sizeof(p), NULL, 0);
  	if (rv < 0)
  		return rv;
  
  	printf("Keyboard backlight set.\n");
  	return 0;
  }
  
  int cmd_pwm_get_duty(int argc, char *argv[])
  {
  	struct ec_params_pwm_get_duty p;
  	struct ec_response_pwm_get_duty r;
  	char *e;
  	int rv;
  
  	if (argc != 2) {
  		fprintf(stderr, "Usage: %s <pwm_idx> | kb | disp\n", argv[0]);
  		return -1;
  	}
  
  	if (!strcmp(argv[1], "kb")) {
  		p.pwm_type = EC_PWM_TYPE_KB_LIGHT;
  		p.index = 0;
  	} else if (!strcmp(argv[1], "disp")) {
  		p.pwm_type = EC_PWM_TYPE_DISPLAY_LIGHT;
  		p.index = 0;
  	} else {
  		p.pwm_type = EC_PWM_TYPE_GENERIC;
  		p.index = strtol(argv[1], &e, 0);
  		if (e && *e) {
  			fprintf(stderr, "Bad pwm_idx\n");
  			return -1;
  		}
  	}
  
  	rv = ec_command(EC_CMD_PWM_GET_DUTY, 0, &p, sizeof(p), &r, sizeof(r));
  	if (rv < 0)
  		return rv;
  
  	printf("Current PWM duty: %d\n", r.duty);
  	return 0;
  }
  
  
  int cmd_pwm_set_duty(int argc, char *argv[])
  {
  	struct ec_params_pwm_set_duty p;
  	char *e;
  	int rv;
  
  	if (argc != 3) {
  		fprintf(stderr, "Usage: %s <pwm_idx> | kb | disp <duty>\n",
  			argv[0]);
  		return -1;
  	}
  
  	if (!strcmp(argv[1], "kb")) {
  		p.pwm_type = EC_PWM_TYPE_KB_LIGHT;
  		p.index = 0;
  	} else if (!strcmp(argv[1], "disp")) {
  		p.pwm_type = EC_PWM_TYPE_DISPLAY_LIGHT;
  		p.index = 0;
  	} else {
  		p.pwm_type = EC_PWM_TYPE_GENERIC;
  		p.index = strtol(argv[1], &e, 0);
  		if (e && *e) {
  			fprintf(stderr, "Bad pwm_idx\n");
  			return -1;
  		}
  	}
  
  	p.duty = strtol(argv[2], &e, 0);
  	if (e && *e) {
  		fprintf(stderr, "Bad duty.\n");
  		return -1;
  	}
  
  	rv = ec_command(EC_CMD_PWM_SET_DUTY, 0,
  			&p, sizeof(p), NULL, 0);
  	if (rv < 0)
  		return rv;
  
  	printf("PWM set.\n");
  	return 0;
  }
  
  int cmd_fanduty(int argc, char *argv[])
  {
  	struct ec_params_pwm_set_fan_duty_v1 p_v1;
  	char *e;
  	int rv, num_fans;
  	int cmdver = 1;
  
  	if (!ec_cmd_version_supported(EC_CMD_PWM_SET_FAN_DUTY, cmdver)) {
  		struct ec_params_pwm_set_fan_duty_v0 p_v0;
  
  		if (argc != 2) {
  			fprintf(stderr,
  				"Usage: %s <percent>\n", argv[0]);
  			return -1;
  		}
  		p_v0.percent = strtol(argv[1], &e, 0);
  		if (e && *e) {
  			fprintf(stderr, "Bad percent arg.\n");
  			return -1;
  		}
  
  		rv = ec_command(EC_CMD_PWM_SET_FAN_DUTY, 0,
  				&p_v0, sizeof(p_v0), NULL, 0);
  		if (rv < 0)
  			return rv;
  
  		printf("Fan duty cycle set.\n");
  		return 0;
  	}
  
  	if (argc > 3 || (argc == 2 && !strcmp(argv[1], "help")) || argc == 1) {
  		printf("Usage: %s [idx] <percent>\n", argv[0]);
  		printf("'%s 0 50' - Set fan 0 duty cycle to 50 percent\n",
  			argv[0]);
  		printf("'%s 30' - Set all fans duty cycle to 30 percent\n",
  			argv[0]);
  		return -1;
  	}
  
  	num_fans = get_num_fans();
  	p_v1.percent = strtol(argv[argc - 1], &e, 0);
  	if (e && *e) {
  		fprintf(stderr, "Bad percent arg.\n");
  		return -1;
  	}
  
  	if (argc == 2) {
  		/* Reuse version 0 command if we're setting duty cycle
  		 * for all fans */
  		struct ec_params_pwm_set_fan_duty_v0 p_v0;
  
  		cmdver = 0;
  		p_v0.percent = p_v1.percent;
  
  		rv = ec_command(EC_CMD_PWM_SET_FAN_DUTY, cmdver,
  				&p_v0, sizeof(p_v0), NULL, 0);
  		if (rv < 0)
  			return rv;
  
  		printf("Fan duty cycle set for all fans.\n");
  	} else {
  		p_v1.fan_idx = strtol(argv[1], &e, 0);
  		if ((e && *e) || (p_v1.fan_idx >= num_fans)) {
  			fprintf(stderr, "Bad fan index.\n");
  			return -1;
  		}
  
  		rv = ec_command(EC_CMD_PWM_SET_FAN_DUTY, cmdver,
  				&p_v1, sizeof(p_v1), NULL, 0);
  		if (rv < 0)
  			return rv;
  
  		printf("Fan %d duty cycle set.\n", p_v1.fan_idx);
  	}
  
  	return 0;
  }
  
  #define LBMSG(state) #state
  #include "lightbar_msg_list.h"
  static const char * const lightbar_cmds[] = {
  	LIGHTBAR_MSG_LIST
  };
  #undef LBMSG
  
  /* Size of field <FLD> in structure <ST> */
  #define ST_FLD_SIZE(ST, FLD) sizeof(((struct ST *)0)->FLD)
  
  #define ST_CMD_SIZE ST_FLD_SIZE(ec_params_lightbar, cmd)
  #define ST_PRM_SIZE(SUBCMD) \
  	(ST_CMD_SIZE + ST_FLD_SIZE(ec_params_lightbar, SUBCMD))
  #define ST_RSP_SIZE(SUBCMD) ST_FLD_SIZE(ec_response_lightbar, SUBCMD)
  
  static const struct {
  	uint8_t insize;
  	uint8_t outsize;
  } lb_command_paramcount[] = {
  	{ ST_CMD_SIZE, ST_RSP_SIZE(dump) },
  	{ ST_CMD_SIZE, 0 },
  	{ ST_CMD_SIZE, 0 },
  	{ ST_CMD_SIZE, 0 },
  	{ ST_PRM_SIZE(set_brightness), 0},
  	{ ST_PRM_SIZE(seq), 0},
  	{ ST_PRM_SIZE(reg), 0},
  	{ ST_PRM_SIZE(set_rgb), 0},
  	{ ST_CMD_SIZE, ST_RSP_SIZE(get_seq) },
  	{ ST_PRM_SIZE(demo), 0},
  	{ ST_CMD_SIZE, ST_RSP_SIZE(get_params_v0) },
  	{ ST_PRM_SIZE(set_params_v0), 0},
  	{ ST_CMD_SIZE, ST_RSP_SIZE(version) },
  	{ ST_CMD_SIZE, ST_RSP_SIZE(get_brightness) },
  	{ ST_PRM_SIZE(get_rgb), ST_RSP_SIZE(get_rgb) },
  	{ ST_CMD_SIZE, ST_RSP_SIZE(get_demo) },
  	{ ST_CMD_SIZE, ST_RSP_SIZE(get_params_v1) },
  	{ ST_PRM_SIZE(set_params_v1), 0},
  	{ ST_PRM_SIZE(set_program), 0},
  	{ ST_PRM_SIZE(manual_suspend_ctrl), 0},
  	{ ST_CMD_SIZE, 0 },
  	{ ST_CMD_SIZE, 0 },
  	{ ST_CMD_SIZE, ST_RSP_SIZE(get_params_v2_timing) },
  	{ ST_PRM_SIZE(set_v2par_timing), 0},
  	{ ST_CMD_SIZE, ST_RSP_SIZE(get_params_v2_tap) },
  	{ ST_PRM_SIZE(set_v2par_tap), 0},
  	{ ST_CMD_SIZE, ST_RSP_SIZE(get_params_v2_osc) },
  	{ ST_PRM_SIZE(set_v2par_osc), 0},
  	{ ST_CMD_SIZE, ST_RSP_SIZE(get_params_v2_bright) },
  	{ ST_PRM_SIZE(set_v2par_bright), 0},
  	{ ST_CMD_SIZE, ST_RSP_SIZE(get_params_v2_thlds) },
  	{ ST_PRM_SIZE(set_v2par_thlds), 0},
  	{ ST_CMD_SIZE, ST_RSP_SIZE(get_params_v2_colors) },
  	{ ST_PRM_SIZE(set_v2par_colors), 0},
  };
  BUILD_ASSERT(ARRAY_SIZE(lb_command_paramcount) == LIGHTBAR_NUM_CMDS);
  
  #undef ST_CMD_SIZE
  #undef ST_PRM_SIZE
  #undef ST_RSP_SIZE
  
  static int lb_help(const char *cmd)
  {
  	printf("Usage:\n");
  	printf("  %s                         - dump all regs\n", cmd);
  	printf("  %s off                     - enter standby\n", cmd);
  	printf("  %s on                      - leave standby\n", cmd);
  	printf("  %s init                    - load default vals\n", cmd);
  	printf("  %s brightness [NUM]        - get/set intensity(0-ff)\n", cmd);
  	printf("  %s seq [NUM|SEQUENCE]      - run given pattern"
  		 " (no arg for list)\n", cmd);
  	printf("  %s CTRL REG VAL            - set LED controller regs\n", cmd);
  	printf("  %s LED RED GREEN BLUE      - set color manually"
  		 " (LED=4 for all)\n", cmd);
  	printf("  %s LED                     - get current LED color\n", cmd);
  	printf("  %s demo [0|1]              - turn demo mode on & off\n", cmd);
  	printf("  %s params [setfile]        - get params"
  	       " (or set from file)\n", cmd);
  	printf("  %s params2 group [setfile] - get params by group\n"
  	       " (or set from file)\n", cmd);
  	printf("  %s program file            - load program from file\n", cmd);
  	return 0;
  }
  
  static uint8_t lb_find_msg_by_name(const char *str)
  {
  	uint8_t i;
  	for (i = 0; i < LIGHTBAR_NUM_SEQUENCES; i++)
  		if (!strcasecmp(str, lightbar_cmds[i]))
  			return i;
  
  	return LIGHTBAR_NUM_SEQUENCES;
  }
  
  static int lb_do_cmd(enum lightbar_command cmd,
  		     struct ec_params_lightbar *in,
  		     struct ec_response_lightbar *out)
  {
  	int rv;
  	in->cmd = cmd;
  	rv = ec_command(EC_CMD_LIGHTBAR_CMD, 0,
  			in, lb_command_paramcount[cmd].insize,
  			out, lb_command_paramcount[cmd].outsize);
  	return (rv < 0 ? rv : 0);
  }
  
  static int lb_show_msg_names(void)
  {
  	int i, current_state;
  	struct ec_params_lightbar param;
  	struct ec_response_lightbar resp;
  
  	i = lb_do_cmd(LIGHTBAR_CMD_GET_SEQ, &param, &resp);
  	if (i < 0)
  		return i;
  	current_state = resp.get_seq.num;
  
  	printf("sequence names:");
  	for (i = 0; i < LIGHTBAR_NUM_SEQUENCES; i++)
  		printf(" %s", lightbar_cmds[i]);
  	printf("\nCurrent = 0x%x %s\n", current_state,
  	       lightbar_cmds[current_state]);
  
  	return 0;
  }
  
  static int lb_read_params_v0_from_file(const char *filename,
  				       struct lightbar_params_v0 *p)
  {
  	FILE *fp;
  	char buf[80];
  	int val[4];
  	int r = 1;
  	int line = 0;
  	int want, got;
  	int i;
  
  	fp = fopen(filename, "rb");
  	if (!fp) {
  		fprintf(stderr, "Can't open %s: %s\n",
  			filename, strerror(errno));
  		return 1;
  	}
  
  	/* We must read the correct number of params from each line */
  #define READ(N) do {							\
  		line++;							\
  		want = (N);						\
  		got = -1;						\
  		if (!fgets(buf, sizeof(buf), fp))			\
  			goto done;					\
  		got = sscanf(buf, "%i %i %i %i",			\
  			     &val[0], &val[1], &val[2], &val[3]);	\
  		if (want != got)					\
  			goto done;					\
  	} while (0)
  
  
  	/* Do it */
  	READ(1); p->google_ramp_up = val[0];
  	READ(1); p->google_ramp_down = val[0];
  	READ(1); p->s3s0_ramp_up = val[0];
  	READ(1); p->s0_tick_delay[0] = val[0];
  	READ(1); p->s0_tick_delay[1] = val[0];
  	READ(1); p->s0a_tick_delay[0] = val[0];
  	READ(1); p->s0a_tick_delay[1] = val[0];
  	READ(1); p->s0s3_ramp_down = val[0];
  	READ(1); p->s3_sleep_for = val[0];
  	READ(1); p->s3_ramp_up = val[0];
  	READ(1); p->s3_ramp_down = val[0];
  	READ(1); p->new_s0 = val[0];
  
  	READ(2);
  	p->osc_min[0] = val[0];
  	p->osc_min[1] = val[1];
  	READ(2);
  	p->osc_max[0] = val[0];
  	p->osc_max[1] = val[1];
  	READ(2);
  	p->w_ofs[0] = val[0];
  	p->w_ofs[1] = val[1];
  
  	READ(2);
  	p->bright_bl_off_fixed[0] = val[0];
  	p->bright_bl_off_fixed[1] = val[1];
  
  	READ(2);
  	p->bright_bl_on_min[0] = val[0];
  	p->bright_bl_on_min[1] = val[1];
  
  	READ(2);
  	p->bright_bl_on_max[0] = val[0];
  	p->bright_bl_on_max[1] = val[1];
  
  	READ(3);
  	p->battery_threshold[0] = val[0];
  	p->battery_threshold[1] = val[1];
  	p->battery_threshold[2] = val[2];
  
  	READ(4);
  	p->s0_idx[0][0] = val[0];
  	p->s0_idx[0][1] = val[1];
  	p->s0_idx[0][2] = val[2];
  	p->s0_idx[0][3] = val[3];
  
  	READ(4);
  	p->s0_idx[1][0] = val[0];
  	p->s0_idx[1][1] = val[1];
  	p->s0_idx[1][2] = val[2];
  	p->s0_idx[1][3] = val[3];
  
  	READ(4);
  	p->s3_idx[0][0] = val[0];
  	p->s3_idx[0][1] = val[1];
  	p->s3_idx[0][2] = val[2];
  	p->s3_idx[0][3] = val[3];
  
  	READ(4);
  	p->s3_idx[1][0] = val[0];
  	p->s3_idx[1][1] = val[1];
  	p->s3_idx[1][2] = val[2];
  	p->s3_idx[1][3] = val[3];
  
  	for (i = 0; i < ARRAY_SIZE(p->color); i++) {
  		READ(3);
  		p->color[i].r = val[0];
  		p->color[i].g = val[1];
  		p->color[i].b = val[2];
  	}
  
  #undef READ
  
  	/* Yay */
  	r = 0;
  done:
  	if (r)
  		fprintf(stderr, "problem with line %d: wanted %d, got %d\n",
  			line, want, got);
  	fclose(fp);
  	return r;
  }
  
  static void lb_show_params_v0(const struct lightbar_params_v0 *p)
  {
  	int i;
  
  	printf("%d\t\t# .google_ramp_up\n", p->google_ramp_up);
  	printf("%d\t\t# .google_ramp_down\n", p->google_ramp_down);
  	printf("%d\t\t# .s3s0_ramp_up\n", p->s3s0_ramp_up);
  	printf("%d\t\t# .s0_tick_delay (battery)\n", p->s0_tick_delay[0]);
  	printf("%d\t\t# .s0_tick_delay (AC)\n", p->s0_tick_delay[1]);
  	printf("%d\t\t# .s0a_tick_delay (battery)\n", p->s0a_tick_delay[0]);
  	printf("%d\t\t# .s0a_tick_delay (AC)\n", p->s0a_tick_delay[1]);
  	printf("%d\t\t# .s0s3_ramp_down\n", p->s0s3_ramp_down);
  	printf("%d\t# .s3_sleep_for\n", p->s3_sleep_for);
  	printf("%d\t\t# .s3_ramp_up\n", p->s3_ramp_up);
  	printf("%d\t\t# .s3_ramp_down\n", p->s3_ramp_down);
  	printf("%d\t\t# .new_s0\n", p->new_s0);
  	printf("0x%02x 0x%02x\t# .osc_min (battery, AC)\n",
  	       p->osc_min[0], p->osc_min[1]);
  	printf("0x%02x 0x%02x\t# .osc_max (battery, AC)\n",
  	       p->osc_max[0], p->osc_max[1]);
  	printf("%d %d\t\t# .w_ofs (battery, AC)\n",
  	       p->w_ofs[0], p->w_ofs[1]);
  	printf("0x%02x 0x%02x\t# .bright_bl_off_fixed (battery, AC)\n",
  	       p->bright_bl_off_fixed[0], p->bright_bl_off_fixed[1]);
  	printf("0x%02x 0x%02x\t# .bright_bl_on_min (battery, AC)\n",
  	       p->bright_bl_on_min[0], p->bright_bl_on_min[1]);
  	printf("0x%02x 0x%02x\t# .bright_bl_on_max (battery, AC)\n",
  	       p->bright_bl_on_max[0], p->bright_bl_on_max[1]);
  	printf("%d %d %d\t\t# .battery_threshold\n",
  	       p->battery_threshold[0],
  	       p->battery_threshold[1],
  	       p->battery_threshold[2]);
  	printf("%d %d %d %d\t\t# .s0_idx[] (battery)\n",
  	       p->s0_idx[0][0], p->s0_idx[0][1],
  	       p->s0_idx[0][2], p->s0_idx[0][3]);
  	printf("%d %d %d %d\t\t# .s0_idx[] (AC)\n",
  	       p->s0_idx[1][0], p->s0_idx[1][1],
  	       p->s0_idx[1][2], p->s0_idx[1][3]);
  	printf("%d %d %d %d\t# .s3_idx[] (battery)\n",
  	       p->s3_idx[0][0], p->s3_idx[0][1],
  	       p->s3_idx[0][2], p->s3_idx[0][3]);
  	printf("%d %d %d %d\t# .s3_idx[] (AC)\n",
  	       p->s3_idx[1][0], p->s3_idx[1][1],
  	       p->s3_idx[1][2], p->s3_idx[1][3]);
  	for (i = 0; i < ARRAY_SIZE(p->color); i++)
  		printf("0x%02x 0x%02x 0x%02x\t# color[%d]\n",
  		       p->color[i].r,
  		       p->color[i].g,
  		       p->color[i].b, i);
  }
  
  static int lb_read_params_v1_from_file(const char *filename,
  				       struct lightbar_params_v1 *p)
  {
  	FILE *fp;
  	char buf[80];
  	int val[4];
  	int r = 1;
  	int line = 0;
  	int want, got;
  	int i;
  
  	fp = fopen(filename, "rb");
  	if (!fp) {
  		fprintf(stderr, "Can't open %s: %s\n",
  			filename, strerror(errno));
  		return 1;
  	}
  
  	/* We must read the correct number of params from each line */
  #define READ(N) do {							\
  		line++;							\
  		want = (N);						\
  		got = -1;						\
  		if (!fgets(buf, sizeof(buf), fp))			\
  			goto done;					\
  		got = sscanf(buf, "%i %i %i %i",			\
  			     &val[0], &val[1], &val[2], &val[3]);	\
  		if (want != got)					\
  			goto done;					\
  	} while (0)
  
  
  	/* Do it */
  	READ(1); p->google_ramp_up = val[0];
  	READ(1); p->google_ramp_down = val[0];
  	READ(1); p->s3s0_ramp_up = val[0];
  	READ(1); p->s0_tick_delay[0] = val[0];
  	READ(1); p->s0_tick_delay[1] = val[0];
  	READ(1); p->s0a_tick_delay[0] = val[0];
  	READ(1); p->s0a_tick_delay[1] = val[0];
  	READ(1); p->s0s3_ramp_down = val[0];
  	READ(1); p->s3_sleep_for = val[0];
  	READ(1); p->s3_ramp_up = val[0];
  	READ(1); p->s3_ramp_down = val[0];
  	READ(1); p->tap_tick_delay = val[0];
  	READ(1); p->tap_gate_delay = val[0];
  	READ(1); p->tap_display_time = val[0];
  
  	READ(1); p->tap_pct_red = val[0];
  	READ(1); p->tap_pct_green = val[0];
  	READ(1); p->tap_seg_min_on = val[0];
  	READ(1); p->tap_seg_max_on = val[0];
  	READ(1); p->tap_seg_osc = val[0];
  	READ(3);
  	p->tap_idx[0] = val[0];
  	p->tap_idx[1] = val[1];
  	p->tap_idx[2] = val[2];
  
  	READ(2);
  	p->osc_min[0] = val[0];
  	p->osc_min[1] = val[1];
  	READ(2);
  	p->osc_max[0] = val[0];
  	p->osc_max[1] = val[1];
  	READ(2);
  	p->w_ofs[0] = val[0];
  	p->w_ofs[1] = val[1];
  
  	READ(2);
  	p->bright_bl_off_fixed[0] = val[0];
  	p->bright_bl_off_fixed[1] = val[1];
  
  	READ(2);
  	p->bright_bl_on_min[0] = val[0];
  	p->bright_bl_on_min[1] = val[1];
  
  	READ(2);
  	p->bright_bl_on_max[0] = val[0];
  	p->bright_bl_on_max[1] = val[1];
  
  	READ(3);
  	p->battery_threshold[0] = val[0];
  	p->battery_threshold[1] = val[1];
  	p->battery_threshold[2] = val[2];
  
  	READ(4);
  	p->s0_idx[0][0] = val[0];
  	p->s0_idx[0][1] = val[1];
  	p->s0_idx[0][2] = val[2];
  	p->s0_idx[0][3] = val[3];
  
  	READ(4);
  	p->s0_idx[1][0] = val[0];
  	p->s0_idx[1][1] = val[1];
  	p->s0_idx[1][2] = val[2];
  	p->s0_idx[1][3] = val[3];
  
  	READ(4);
  	p->s3_idx[0][0] = val[0];
  	p->s3_idx[0][1] = val[1];
  	p->s3_idx[0][2] = val[2];
  	p->s3_idx[0][3] = val[3];
  
  	READ(4);
  	p->s3_idx[1][0] = val[0];
  	p->s3_idx[1][1] = val[1];
  	p->s3_idx[1][2] = val[2];
  	p->s3_idx[1][3] = val[3];
  
  	for (i = 0; i < ARRAY_SIZE(p->color); i++) {
  		READ(3);
  		p->color[i].r = val[0];
  		p->color[i].g = val[1];
  		p->color[i].b = val[2];
  	}
  
  #undef READ
  
  	/* Yay */
  	r = 0;
  done:
  	if (r)
  		fprintf(stderr, "problem with line %d: wanted %d, got %d\n",
  			line, want, got);
  	fclose(fp);
  	return r;
  }
  
  static void lb_show_params_v1(const struct lightbar_params_v1 *p)
  {
  	int i;
  
  	printf("%d\t\t# .google_ramp_up\n", p->google_ramp_up);
  	printf("%d\t\t# .google_ramp_down\n", p->google_ramp_down);
  	printf("%d\t\t# .s3s0_ramp_up\n", p->s3s0_ramp_up);
  	printf("%d\t\t# .s0_tick_delay (battery)\n", p->s0_tick_delay[0]);
  	printf("%d\t\t# .s0_tick_delay (AC)\n", p->s0_tick_delay[1]);
  	printf("%d\t\t# .s0a_tick_delay (battery)\n", p->s0a_tick_delay[0]);
  	printf("%d\t\t# .s0a_tick_delay (AC)\n", p->s0a_tick_delay[1]);
  	printf("%d\t\t# .s0s3_ramp_down\n", p->s0s3_ramp_down);
  	printf("%d\t\t# .s3_sleep_for\n", p->s3_sleep_for);
  	printf("%d\t\t# .s3_ramp_up\n", p->s3_ramp_up);
  	printf("%d\t\t# .s3_ramp_down\n", p->s3_ramp_down);
  	printf("%d\t\t# .tap_tick_delay\n", p->tap_tick_delay);
  	printf("%d\t\t# .tap_gate_delay\n", p->tap_gate_delay);
  	printf("%d\t\t# .tap_display_time\n", p->tap_display_time);
  	printf("%d\t\t# .tap_pct_red\n", p->tap_pct_red);
  	printf("%d\t\t# .tap_pct_green\n", p->tap_pct_green);
  	printf("%d\t\t# .tap_seg_min_on\n", p->tap_seg_min_on);
  	printf("%d\t\t# .tap_seg_max_on\n", p->tap_seg_max_on);
  	printf("%d\t\t# .tap_seg_osc\n", p->tap_seg_osc);
  	printf("%d %d %d\t\t# .tap_idx\n",
  	       p->tap_idx[0], p->tap_idx[1], p->tap_idx[2]);
  	printf("0x%02x 0x%02x\t# .osc_min (battery, AC)\n",
  	       p->osc_min[0], p->osc_min[1]);
  	printf("0x%02x 0x%02x\t# .osc_max (battery, AC)\n",
  	       p->osc_max[0], p->osc_max[1]);
  	printf("%d %d\t\t# .w_ofs (battery, AC)\n",
  	       p->w_ofs[0], p->w_ofs[1]);
  	printf("0x%02x 0x%02x\t# .bright_bl_off_fixed (battery, AC)\n",
  	       p->bright_bl_off_fixed[0], p->bright_bl_off_fixed[1]);
  	printf("0x%02x 0x%02x\t# .bright_bl_on_min (battery, AC)\n",
  	       p->bright_bl_on_min[0], p->bright_bl_on_min[1]);
  	printf("0x%02x 0x%02x\t# .bright_bl_on_max (battery, AC)\n",
  	       p->bright_bl_on_max[0], p->bright_bl_on_max[1]);
  	printf("%d %d %d\t# .battery_threshold\n",
  	       p->battery_threshold[0],
  	       p->battery_threshold[1],
  	       p->battery_threshold[2]);
  	printf("%d %d %d %d\t\t# .s0_idx[] (battery)\n",
  	       p->s0_idx[0][0], p->s0_idx[0][1],
  	       p->s0_idx[0][2], p->s0_idx[0][3]);
  	printf("%d %d %d %d\t\t# .s0_idx[] (AC)\n",
  	       p->s0_idx[1][0], p->s0_idx[1][1],
  	       p->s0_idx[1][2], p->s0_idx[1][3]);
  	printf("%d %d %d %d\t# .s3_idx[] (battery)\n",
  	       p->s3_idx[0][0], p->s3_idx[0][1],
  	       p->s3_idx[0][2], p->s3_idx[0][3]);
  	printf("%d %d %d %d\t# .s3_idx[] (AC)\n",
  	       p->s3_idx[1][0], p->s3_idx[1][1],
  	       p->s3_idx[1][2], p->s3_idx[1][3]);
  	for (i = 0; i < ARRAY_SIZE(p->color); i++)
  		printf("0x%02x 0x%02x 0x%02x\t# color[%d]\n",
  		       p->color[i].r,
  		       p->color[i].g,
  		       p->color[i].b, i);
  }
  
  static int lb_rd_timing_v2par_from_file(const char *filename,
  					struct lightbar_params_v2_timing *p)
  {
  	FILE *fp;
  	char buf[80];
  	int val[4];
  	int r = 1;
  	int line = 0;
  	int want, got;
  
  	fp = fopen(filename, "rb");
  	if (!fp) {
  		fprintf(stderr, "Can't open %s: %s\n",
  			filename, strerror(errno));
  		return 1;
  	}
  
  	/* We must read the correct number of params from each line */
  #define READ(N) do {							\
  		line++;							\
  		want = (N);						\
  		got = -1;						\
  		if (!fgets(buf, sizeof(buf), fp))			\
  			goto done;					\
  		got = sscanf(buf, "%i %i %i %i",			\
  			     &val[0], &val[1], &val[2], &val[3]);	\
  		if (want != got)					\
  			goto done;					\
  	} while (0)
  
  	READ(1); p->google_ramp_up = val[0];
  	READ(1); p->google_ramp_down = val[0];
  	READ(1); p->s3s0_ramp_up = val[0];
  	READ(1); p->s0_tick_delay[0] = val[0];
  	READ(1); p->s0_tick_delay[1] = val[0];
  	READ(1); p->s0a_tick_delay[0] = val[0];
  	READ(1); p->s0a_tick_delay[1] = val[0];
  	READ(1); p->s0s3_ramp_down = val[0];
  	READ(1); p->s3_sleep_for = val[0];
  	READ(1); p->s3_ramp_up = val[0];
  	READ(1); p->s3_ramp_down = val[0];
  	READ(1); p->tap_tick_delay = val[0];
  	READ(1); p->tap_gate_delay = val[0];
  	READ(1); p->tap_display_time = val[0];
  #undef READ
  
  	/* Yay */
  	r = 0;
  done:
  	if (r)
  		fprintf(stderr, "problem with line %d: wanted %d, got %d\n",
  			line, want, got);
  	fclose(fp);
  	return r;
  }
  
  static int lb_rd_tap_v2par_from_file(const char *filename,
  				     struct lightbar_params_v2_tap *p)
  {
  	FILE *fp;
  	char buf[80];
  	int val[4];
  	int r = 1;
  	int line = 0;
  	int want, got;
  
  	fp = fopen(filename, "rb");
  	if (!fp) {
  		fprintf(stderr, "Can't open %s: %s\n",
  			filename, strerror(errno));
  		return 1;
  	}
  
  	/* We must read the correct number of params from each line */
  #define READ(N) do {							\
  		line++;							\
  		want = (N);						\
  		got = -1;						\
  		if (!fgets(buf, sizeof(buf), fp))			\
  			goto done;					\
  		got = sscanf(buf, "%i %i %i %i",			\
  			     &val[0], &val[1], &val[2], &val[3]);	\
  		if (want != got)					\
  			goto done;					\
  	} while (0)
  
  	READ(1); p->tap_pct_red = val[0];
  	READ(1); p->tap_pct_green = val[0];
  	READ(1); p->tap_seg_min_on = val[0];
  	READ(1); p->tap_seg_max_on = val[0];
  	READ(1); p->tap_seg_osc = val[0];
  	READ(3);
  	p->tap_idx[0] = val[0];
  	p->tap_idx[1] = val[1];
  	p->tap_idx[2] = val[2];
  #undef READ
  
  	/* Yay */
  	r = 0;
  done:
  	if (r)
  		fprintf(stderr, "problem with line %d: wanted %d, got %d\n",
  			line, want, got);
  	fclose(fp);
  	return r;
  }
  
  static int lb_rd_osc_v2par_from_file(const char *filename,
  				     struct lightbar_params_v2_oscillation *p)
  {
  	FILE *fp;
  	char buf[80];
  	int val[4];
  	int r = 1;
  	int line = 0;
  	int want, got;
  
  	fp = fopen(filename, "rb");
  	if (!fp) {
  		fprintf(stderr, "Can't open %s: %s\n",
  			filename, strerror(errno));
  		return 1;
  	}
  
  	/* We must read the correct number of params from each line */
  #define READ(N) do {							\
  		line++;							\
  		want = (N);						\
  		got = -1;						\
  		if (!fgets(buf, sizeof(buf), fp))			\
  			goto done;					\
  		got = sscanf(buf, "%i %i %i %i",			\
  			     &val[0], &val[1], &val[2], &val[3]);	\
  		if (want != got)					\
  			goto done;					\
  	} while (0)
  
  	READ(2);
  	p->osc_min[0] = val[0];
  	p->osc_min[1] = val[1];
  	READ(2);
  	p->osc_max[0] = val[0];
  	p->osc_max[1] = val[1];
  	READ(2);
  	p->w_ofs[0] = val[0];
  	p->w_ofs[1] = val[1];
  #undef READ
  
  	/* Yay */
  	r = 0;
  done:
  	if (r)
  		fprintf(stderr, "problem with line %d: wanted %d, got %d\n",
  			line, want, got);
  	fclose(fp);
  	return r;
  }
  
  static int lb_rd_bright_v2par_from_file(const char *filename,
  					struct lightbar_params_v2_brightness *p)
  {
  	FILE *fp;
  	char buf[80];
  	int val[4];
  	int r = 1;
  	int line = 0;
  	int want, got;
  
  	fp = fopen(filename, "rb");
  	if (!fp) {
  		fprintf(stderr, "Can't open %s: %s\n",
  			filename, strerror(errno));
  		return 1;
  	}
  
  	/* We must read the correct number of params from each line */
  #define READ(N) do {							\
  		line++;							\
  		want = (N);						\
  		got = -1;						\
  		if (!fgets(buf, sizeof(buf), fp))			\
  			goto done;					\
  		got = sscanf(buf, "%i %i %i %i",			\
  			     &val[0], &val[1], &val[2], &val[3]);	\
  		if (want != got)					\
  			goto done;					\
  	} while (0)
  
  	READ(2);
  	p->bright_bl_off_fixed[0] = val[0];
  	p->bright_bl_off_fixed[1] = val[1];
  
  	READ(2);
  	p->bright_bl_on_min[0] = val[0];
  	p->bright_bl_on_min[1] = val[1];
  
  	READ(2);
  	p->bright_bl_on_max[0] = val[0];
  	p->bright_bl_on_max[1] = val[1];
  #undef READ
  
  	/* Yay */
  	r = 0;
  done:
  	if (r)
  		fprintf(stderr, "problem with line %d: wanted %d, got %d\n",
  			line, want, got);
  	fclose(fp);
  	return r;
  }
  
  static int lb_rd_thlds_v2par_from_file(const char *filename,
  				       struct lightbar_params_v2_thresholds *p)
  {
  	FILE *fp;
  	char buf[80];
  	int val[4];
  	int r = 1;
  	int line = 0;
  	int want, got;
  
  	fp = fopen(filename, "rb");
  	if (!fp) {
  		fprintf(stderr, "Can't open %s: %s\n",
  			filename, strerror(errno));
  		return 1;
  	}
  
  	/* We must read the correct number of params from each line */
  #define READ(N) do {							\
  		line++;							\
  		want = (N);						\
  		got = -1;						\
  		if (!fgets(buf, sizeof(buf), fp))			\
  			goto done;					\
  		got = sscanf(buf, "%i %i %i %i",			\
  			     &val[0], &val[1], &val[2], &val[3]);	\
  		if (want != got)					\
  			goto done;					\
  	} while (0)
  
  	READ(3);
  	p->battery_threshold[0] = val[0];
  	p->battery_threshold[1] = val[1];
  	p->battery_threshold[2] = val[2];
  #undef READ
  
  	/* Yay */
  	r = 0;
  done:
  	if (r)
  		fprintf(stderr, "problem with line %d: wanted %d, got %d\n",
  			line, want, got);
  	fclose(fp);
  	return r;
  }
  
  static int lb_rd_colors_v2par_from_file(const char *filename,
  					struct lightbar_params_v2_colors *p)
  {
  	FILE *fp;
  	char buf[80];
  	int val[4];
  	int r = 1;
  	int line = 0;
  	int want, got;
  	int i;
  
  	fp = fopen(filename, "rb");
  	if (!fp) {
  		fprintf(stderr, "Can't open %s: %s\n",
  			filename, strerror(errno));
  		return 1;
  	}
  
  	/* We must read the correct number of params from each line */
  #define READ(N) do {							\
  		line++;							\
  		want = (N);						\
  		got = -1;						\
  		if (!fgets(buf, sizeof(buf), fp))			\
  			goto done;					\
  		got = sscanf(buf, "%i %i %i %i",			\
  			     &val[0], &val[1], &val[2], &val[3]);	\
  		if (want != got)					\
  			goto done;					\
  	} while (0)
  
  	READ(4);
  	p->s0_idx[0][0] = val[0];
  	p->s0_idx[0][1] = val[1];
  	p->s0_idx[0][2] = val[2];
  	p->s0_idx[0][3] = val[3];
  
  	READ(4);
  	p->s0_idx[1][0] = val[0];
  	p->s0_idx[1][1] = val[1];
  	p->s0_idx[1][2] = val[2];
  	p->s0_idx[1][3] = val[3];
  
  	READ(4);
  	p->s3_idx[0][0] = val[0];
  	p->s3_idx[0][1] = val[1];
  	p->s3_idx[0][2] = val[2];
  	p->s3_idx[0][3] = val[3];
  
  	READ(4);
  	p->s3_idx[1][0] = val[0];
  	p->s3_idx[1][1] = val[1];
  	p->s3_idx[1][2] = val[2];
  	p->s3_idx[1][3] = val[3];
  	for (i = 0; i < ARRAY_SIZE(p->color); i++) {
  		READ(3);
  		p->color[i].r = val[0];
  		p->color[i].g = val[1];
  		p->color[i].b = val[2];
  	}
  
  #undef READ
  
  	/* Yay */
  	r = 0;
  done:
  	if (r)
  		fprintf(stderr, "problem with line %d: wanted %d, got %d\n",
  			line, want, got);
  	fclose(fp);
  	return r;
  }
  
  static void lb_show_v2par_timing(const struct lightbar_params_v2_timing *p)
  {
  	printf("%d\t\t# .google_ramp_up\n", p->google_ramp_up);
  	printf("%d\t\t# .google_ramp_down\n", p->google_ramp_down);
  	printf("%d\t\t# .s3s0_ramp_up\n", p->s3s0_ramp_up);
  	printf("%d\t\t# .s0_tick_delay (battery)\n", p->s0_tick_delay[0]);
  	printf("%d\t\t# .s0_tick_delay (AC)\n", p->s0_tick_delay[1]);
  	printf("%d\t\t# .s0a_tick_delay (battery)\n", p->s0a_tick_delay[0]);
  	printf("%d\t\t# .s0a_tick_delay (AC)\n", p->s0a_tick_delay[1]);
  	printf("%d\t\t# .s0s3_ramp_down\n", p->s0s3_ramp_down);
  	printf("%d\t\t# .s3_sleep_for\n", p->s3_sleep_for);
  	printf("%d\t\t# .s3_ramp_up\n", p->s3_ramp_up);
  	printf("%d\t\t# .s3_ramp_down\n", p->s3_ramp_down);
  	printf("%d\t\t# .tap_tick_delay\n", p->tap_tick_delay);
  	printf("%d\t\t# .tap_gate_delay\n", p->tap_gate_delay);
  	printf("%d\t\t# .tap_display_time\n", p->tap_display_time);
  }
  
  static void lb_show_v2par_tap(const struct lightbar_params_v2_tap *p)
  {
  	printf("%d\t\t# .tap_pct_red\n", p->tap_pct_red);
  	printf("%d\t\t# .tap_pct_green\n", p->tap_pct_green);
  	printf("%d\t\t# .tap_seg_min_on\n", p->tap_seg_min_on);
  	printf("%d\t\t# .tap_seg_max_on\n", p->tap_seg_max_on);
  	printf("%d\t\t# .tap_seg_osc\n", p->tap_seg_osc);
  	printf("%d %d %d\t\t# .tap_idx\n",
  	       p->tap_idx[0], p->tap_idx[1], p->tap_idx[2]);
  }
  
  static void lb_show_v2par_osc(const struct lightbar_params_v2_oscillation *p)
  {
  	printf("0x%02x 0x%02x\t# .osc_min (battery, AC)\n",
  	       p->osc_min[0], p->osc_min[1]);
  	printf("0x%02x 0x%02x\t# .osc_max (battery, AC)\n",
  	       p->osc_max[0], p->osc_max[1]);
  	printf("%d %d\t\t# .w_ofs (battery, AC)\n",
  	       p->w_ofs[0], p->w_ofs[1]);
  }
  
  static void lb_show_v2par_bright(const struct lightbar_params_v2_brightness *p)
  {
  	printf("0x%02x 0x%02x\t# .bright_bl_off_fixed (battery, AC)\n",
  	       p->bright_bl_off_fixed[0], p->bright_bl_off_fixed[1]);
  	printf("0x%02x 0x%02x\t# .bright_bl_on_min (battery, AC)\n",
  	       p->bright_bl_on_min[0], p->bright_bl_on_min[1]);
  	printf("0x%02x 0x%02x\t# .bright_bl_on_max (battery, AC)\n",
  	       p->bright_bl_on_max[0], p->bright_bl_on_max[1]);
  }
  
  static void lb_show_v2par_thlds(const struct lightbar_params_v2_thresholds *p)
  {
  	printf("%d %d %d\t# .battery_threshold\n",
  	       p->battery_threshold[0],
  	       p->battery_threshold[1],
  	       p->battery_threshold[2]);
  }
  
  static void lb_show_v2par_colors(const struct lightbar_params_v2_colors *p)
  {
  	int i;
  
  	printf("%d %d %d %d\t\t# .s0_idx[] (battery)\n",
  	       p->s0_idx[0][0], p->s0_idx[0][1],
  	       p->s0_idx[0][2], p->s0_idx[0][3]);
  	printf("%d %d %d %d\t\t# .s0_idx[] (AC)\n",
  	       p->s0_idx[1][0], p->s0_idx[1][1],
  	       p->s0_idx[1][2], p->s0_idx[1][3]);
  	printf("%d %d %d %d\t# .s3_idx[] (battery)\n",
  	       p->s3_idx[0][0], p->s3_idx[0][1],
  	       p->s3_idx[0][2], p->s3_idx[0][3]);
  	printf("%d %d %d %d\t# .s3_idx[] (AC)\n",
  	       p->s3_idx[1][0], p->s3_idx[1][1],
  	       p->s3_idx[1][2], p->s3_idx[1][3]);
  
  	for (i = 0; i < ARRAY_SIZE(p->color); i++)
  		printf("0x%02x 0x%02x 0x%02x\t# color[%d]\n",
  		       p->color[i].r,
  		       p->color[i].g,
  		       p->color[i].b, i);
  }
  
  static int lb_load_program(const char *filename, struct lightbar_program *prog)
  {
  	FILE *fp;
  	size_t got;
  	int rc;
  
  	fp = fopen(filename, "rb");
  	if (!fp) {
  		fprintf(stderr, "Can't open %s: %s\n",
  			filename, strerror(errno));
  		return 1;
  	}
  
  	rc = fseek(fp, 0, SEEK_END);
  	if (rc) {
  		fprintf(stderr, "Couldn't find end of file %s",
  				filename);
  		fclose(fp);
  		return 1;
  	}
  	rc = (int) ftell(fp);
  	if (rc > EC_LB_PROG_LEN) {
  		fprintf(stderr, "File %s is too long, aborting\n", filename);
  		fclose(fp);
  		return 1;
  	}
  	rewind(fp);
  
  	memset(prog->data, 0, EC_LB_PROG_LEN);
  	got = fread(prog->data, 1, EC_LB_PROG_LEN, fp);
  	if (rc != got)
  		fprintf(stderr, "Warning: did not read entire file\n");
  	prog->size = got;
  	fclose(fp);
  	return 0;
  }
  
  static int cmd_lightbar_params_v0(int argc, char **argv)
  {
  	struct ec_params_lightbar param;
  	struct ec_response_lightbar resp;
  	int r;
  
  	if (argc > 2) {
  		r = lb_read_params_v0_from_file(argv[2],
  						&param.set_params_v0);
  		if (r)
  			return r;
  		return lb_do_cmd(LIGHTBAR_CMD_SET_PARAMS_V0,
  				 &param, &resp);
  	}
  	r = lb_do_cmd(LIGHTBAR_CMD_GET_PARAMS_V0, &param, &resp);
  	if (!r)
  		lb_show_params_v0(&resp.get_params_v0);
  	return r;
  }
  
  static int cmd_lightbar_params_v1(int argc, char **argv)
  {
  	struct ec_params_lightbar param;
  	struct ec_response_lightbar resp;
  	int r;
  
  	if (argc > 2) {
  		r = lb_read_params_v1_from_file(argv[2],
  						&param.set_params_v1);
  		if (r)
  			return r;
  		return lb_do_cmd(LIGHTBAR_CMD_SET_PARAMS_V1,
  				 &param, &resp);
  	}
  	r = lb_do_cmd(LIGHTBAR_CMD_GET_PARAMS_V1, &param, &resp);
  	if (!r)
  		lb_show_params_v1(&resp.get_params_v1);
  	return r;
  }
  
  static void lb_param_v2_help(void)
  {
  	printf("Usage:\n");
  	printf("lightbar params2 group [setfile]\n");
  	printf("group list:\n");
  	printf("  timing\n");
  	printf("  tap\n");
  	printf("  oscillation\n");
  	printf("  brightness\n");
  	printf("  thresholds\n");
  	printf("  colors\n");
  
  	return;
  }
  
  static int cmd_lightbar_params_v2(int argc, char **argv)
  {
  	struct ec_params_lightbar p;
  	struct ec_response_lightbar resp;
  	int r = 0;
  	int set = 0;
  
  	memset(&p, 0, sizeof(struct ec_params_lightbar));
  	memset(&resp, 0, sizeof(struct ec_response_lightbar));
  
  	if (argc < 3) {
  		lb_param_v2_help();
  		return 1;
  	}
  
  	/* Set new params if provided with a setfile */
  	if (argc > 3)
  		set = 1;
  
  	/* Show selected v2 params */
  	if (!strncasecmp(argv[2], "timing", 6)) {
  		if (set) {
  			r = lb_rd_timing_v2par_from_file(argv[3],
  							 &p.set_v2par_timing);
  			if (r)
  				return r;
  			r = lb_do_cmd(LIGHTBAR_CMD_SET_PARAMS_V2_TIMING,
  				      &p, &resp);
  			if (r)
  				return r;
  		}
  		r = lb_do_cmd(LIGHTBAR_CMD_GET_PARAMS_V2_TIMING, &p, &resp);
  		if (r)
  			return r;
  		lb_show_v2par_timing(&resp.get_params_v2_timing);
  	} else if (!strcasecmp(argv[2], "tap")) {
  		if (set) {
  			r = lb_rd_tap_v2par_from_file(argv[3],
  						      &p.set_v2par_tap);
  			if (r)
  				return r;
  			r = lb_do_cmd(LIGHTBAR_CMD_SET_PARAMS_V2_TAP,
  				      &p, &resp);
  			if (r)
  				return r;
  		}
  		r = lb_do_cmd(LIGHTBAR_CMD_GET_PARAMS_V2_TAP, &p, &resp);
  		if (r)
  			return r;
  		lb_show_v2par_tap(&resp.get_params_v2_tap);
  	} else if (!strncasecmp(argv[2], "oscillation", 11)) {
  		if (set) {
  			r = lb_rd_osc_v2par_from_file(argv[3],
  						      &p.set_v2par_osc);
  			if (r)
  				return r;
  			r = lb_do_cmd(LIGHTBAR_CMD_SET_PARAMS_V2_OSCILLATION,
  				      &p, &resp);
  			if (r)
  				return r;
  		}
  		r = lb_do_cmd(LIGHTBAR_CMD_GET_PARAMS_V2_OSCILLATION, &p,
  			      &resp);
  		if (r)
  			return r;
  		lb_show_v2par_osc(&resp.get_params_v2_osc);
  	} else if (!strncasecmp(argv[2], "brightness", 10)) {
  		if (set) {
  			r = lb_rd_bright_v2par_from_file(argv[3],
  							 &p.set_v2par_bright);
  			if (r)
  				return r;
  			r = lb_do_cmd(LIGHTBAR_CMD_SET_PARAMS_V2_BRIGHTNESS,
  				      &p, &resp);
  			if (r)
  				return r;
  		}
  		r = lb_do_cmd(LIGHTBAR_CMD_GET_PARAMS_V2_BRIGHTNESS, &p,
  			      &resp);
  		if (r)
  			return r;
  		lb_show_v2par_bright(&resp.get_params_v2_bright);
  	} else if (!strncasecmp(argv[2], "thresholds", 10)) {
  		if (set) {
  			r = lb_rd_thlds_v2par_from_file(argv[3],
  							&p.set_v2par_thlds);
  			if (r)
  				return r;
  			r = lb_do_cmd(LIGHTBAR_CMD_SET_PARAMS_V2_THRESHOLDS,
  				      &p, &resp);
  			if (r)
  				return r;
  		}
  		r = lb_do_cmd(LIGHTBAR_CMD_GET_PARAMS_V2_THRESHOLDS, &p,
  			      &resp);
  		if (r)
  			return r;
  		lb_show_v2par_thlds(&resp.get_params_v2_thlds);
  	} else if (!strncasecmp(argv[2], "colors", 6)) {
  		if (set) {
  			r = lb_rd_colors_v2par_from_file(argv[3],
  							 &p.set_v2par_colors);
  			if (r)
  				return r;
  			r = lb_do_cmd(LIGHTBAR_CMD_SET_PARAMS_V2_COLORS,
  				      &p, &resp);
  			if (r)
  				return r;
  		}
  		r = lb_do_cmd(LIGHTBAR_CMD_GET_PARAMS_V2_COLORS, &p, &resp);
  		if (r)
  			return r;
  		lb_show_v2par_colors(&resp.get_params_v2_colors);
  	} else {
  		lb_param_v2_help();
  	}
  
  	return r;
  }
  
  static int cmd_lightbar(int argc, char **argv)
  {
  	int i, r;
  	struct ec_params_lightbar param;
  	struct ec_response_lightbar resp;
  
  	if (1 == argc) {		/* no args = dump 'em all */
  		r = lb_do_cmd(LIGHTBAR_CMD_DUMP, &param, &resp);
  		if (r)
  			return r;
  		for (i = 0; i < ARRAY_SIZE(resp.dump.vals); i++) {
  			printf(" %02x     %02x     %02x\n",
  			       resp.dump.vals[i].reg,
  			       resp.dump.vals[i].ic0,
  			       resp.dump.vals[i].ic1);
  		}
  		return 0;
  	}
  
  	if (argc == 2 && !strcasecmp(argv[1], "init"))
  		return lb_do_cmd(LIGHTBAR_CMD_INIT, &param, &resp);
  
  	if (argc == 2 && !strcasecmp(argv[1], "off"))
  		return lb_do_cmd(LIGHTBAR_CMD_OFF, &param, &resp);
  
  	if (argc == 2 && !strcasecmp(argv[1], "on"))
  		return lb_do_cmd(LIGHTBAR_CMD_ON, &param, &resp);
  
  	if (!strcasecmp(argv[1], "params0"))
  		return cmd_lightbar_params_v0(argc, argv);
  
  	if (!strcasecmp(argv[1], "params1"))
  		return cmd_lightbar_params_v1(argc, argv);
  
  	if (!strcasecmp(argv[1], "params2"))
  		return cmd_lightbar_params_v2(argc, argv);
  
  	if (!strcasecmp(argv[1], "params")) {
  		/* Just try them both */
  		fprintf(stderr, "trying params1 ...\n");
  		if (0 == cmd_lightbar_params_v1(argc, argv))
  			return 0;
  		fprintf(stderr, "trying params0 ...\n");
  		return cmd_lightbar_params_v0(argc, argv);
  	}
  
  	if (!strcasecmp(argv[1], "version")) {
  		r = lb_do_cmd(LIGHTBAR_CMD_VERSION, &param, &resp);
  		if (!r)
  			printf("version %d flags 0x%x\n",
  			       resp.version.num, resp.version.flags);
  		return r;
  	}
  
  	if (argc > 1 && !strcasecmp(argv[1], "brightness")) {
  		char *e;
  		int rv;
  		if (argc > 2) {
  			param.set_brightness.num = 0xff &
  				strtoull(argv[2], &e, 16);
  			return lb_do_cmd(LIGHTBAR_CMD_SET_BRIGHTNESS,
  					 &param, &resp);
  		}
  		rv = lb_do_cmd(LIGHTBAR_CMD_GET_BRIGHTNESS,
  			       &param, &resp);
  		if (rv)
  			return rv;
  		printf("%02x\n", resp.get_brightness.num);
  		return 0;
  	}
  
  	if (argc > 1 && !strcasecmp(argv[1], "demo")) {
  		int rv;
  		if (argc > 2) {
  			if (!strcasecmp(argv[2], "on") || argv[2][0] == '1')
  				param.demo.num = 1;
  			else if (!strcasecmp(argv[2], "off") ||
  				 argv[2][0] == '0')
  				param.demo.num = 0;
  			else {
  				fprintf(stderr, "Invalid arg\n");
  				return -1;
  			}
  			return lb_do_cmd(LIGHTBAR_CMD_DEMO, &param, &resp);
  		}
  
  		rv = lb_do_cmd(LIGHTBAR_CMD_GET_DEMO, &param, &resp);
  		if (rv)
  			return rv;
  		printf("%s\n", resp.get_demo.num ? "on" : "off");
  		return 0;
  	}
  
  	if (argc >= 2 && !strcasecmp(argv[1], "seq")) {
  		char *e;
  		uint8_t num;
  		if (argc == 2)
  			return lb_show_msg_names();
  		num = 0xff & strtoull(argv[2], &e, 16);
  		if (e && *e)
  			num = lb_find_msg_by_name(argv[2]);
  		if (num >= LIGHTBAR_NUM_SEQUENCES) {
  			fprintf(stderr, "Invalid arg\n");
  			return -1;
  		}
  		param.seq.num = num;
  		return lb_do_cmd(LIGHTBAR_CMD_SEQ, &param, &resp);
  	}
  
  	if (argc >= 3 && !strcasecmp(argv[1], "program")) {
  		lb_load_program(argv[2], &param.set_program);
  		return lb_do_cmd(LIGHTBAR_CMD_SET_PROGRAM, &param, &resp);
  	}
  
  	if (argc == 4) {
  		char *e;
  		param.reg.ctrl = 0xff & strtoull(argv[1], &e, 16);
  		param.reg.reg = 0xff & strtoull(argv[2], &e, 16);
  		param.reg.value = 0xff & strtoull(argv[3], &e, 16);
  		return lb_do_cmd(LIGHTBAR_CMD_REG, &param, &resp);
  	}
  
  	if (argc == 5) {
  		char *e;
  		param.set_rgb.led = strtoull(argv[1], &e, 16);
  		param.set_rgb.red = strtoull(argv[2], &e, 16);
  		param.set_rgb.green = strtoull(argv[3], &e, 16);
  		param.set_rgb.blue = strtoull(argv[4], &e, 16);
  		return lb_do_cmd(LIGHTBAR_CMD_SET_RGB, &param, &resp);
  	}
  
  	/* Only thing left is to try to read an LED value */
  	if (argc == 2) {
  		char *e;
  		param.get_rgb.led = strtoull(argv[1], &e, 0);
  		if (!(e && *e)) {
  			r = lb_do_cmd(LIGHTBAR_CMD_GET_RGB, &param, &resp);
  			if (r)
  				return r;
  			printf("%02x %02x %02x\n",
  			       resp.get_rgb.red,
  			       resp.get_rgb.green,
  			       resp.get_rgb.blue);
  			return 0;
  		}
  	}
  
  	return lb_help(argv[0]);
  }
  
  /* Create an array to store sizes of motion sense param and response structs. */
  #define ST_CMD_SIZE ST_FLD_SIZE(ec_params_motion_sense, cmd)
  #define ST_PRM_SIZE(SUBCMD) \
  	(ST_CMD_SIZE + ST_FLD_SIZE(ec_params_motion_sense, SUBCMD))
  #define ST_RSP_SIZE(SUBCMD) ST_FLD_SIZE(ec_response_motion_sense, SUBCMD)
  #define ST_BOTH_SIZES(SUBCMD) { ST_PRM_SIZE(SUBCMD), ST_RSP_SIZE(SUBCMD) }
  
  /*
   * For ectool only, assume no more than 16 sensors.  More advanced
   * implementation would allocate the right amount of memory depending on the
   * number of sensors.
   */
  #define ECTOOL_MAX_SENSOR 16
  
  static const struct {
  	uint8_t outsize;
  	uint8_t insize;
  } ms_command_sizes[] = {
  	{
  		ST_PRM_SIZE(dump),
  		ST_RSP_SIZE(dump) +
  		sizeof(struct ec_response_motion_sensor_data) *
  		ECTOOL_MAX_SENSOR
  	},
  	ST_BOTH_SIZES(info_4),
  	ST_BOTH_SIZES(ec_rate),
  	ST_BOTH_SIZES(sensor_odr),
  	ST_BOTH_SIZES(sensor_range),
  	ST_BOTH_SIZES(kb_wake_angle),
  	ST_BOTH_SIZES(data),
  	{
  		ST_CMD_SIZE,
  		ST_RSP_SIZE(fifo_info) + sizeof(uint16_t) * ECTOOL_MAX_SENSOR
  	},
  	ST_BOTH_SIZES(fifo_flush),
  	ST_BOTH_SIZES(fifo_read),
  	ST_BOTH_SIZES(perform_calib),
  	ST_BOTH_SIZES(sensor_offset),
  	ST_BOTH_SIZES(list_activities),
  	{ ST_PRM_SIZE(set_activity), 0 },
  	{ ST_CMD_SIZE, ST_RSP_SIZE(lid_angle) },
  	ST_BOTH_SIZES(fifo_int_enable),
  	ST_BOTH_SIZES(spoof),
  	ST_BOTH_SIZES(tablet_mode_threshold),
  	ST_BOTH_SIZES(sensor_scale),
  	ST_BOTH_SIZES(online_calib_read),
  	ST_BOTH_SIZES(get_activity),
  };
  BUILD_ASSERT(ARRAY_SIZE(ms_command_sizes) == MOTIONSENSE_NUM_CMDS);
  
  #undef ST_CMD_SIZE
  #undef ST_PRM_SIZE
  #undef ST_RSP_SIZE
  #undef ST_BOTH_SIZES
  
  static int ms_help(const char *cmd)
  {
  	printf("Usage:\n");
  	printf("  %s                              - dump all motion data\n",
  		cmd);
  	printf("  %s active                       - print active flag\n", cmd);
  	printf("  %s info NUM                     - print sensor info\n", cmd);
  	printf("  %s ec_rate NUM [RATE_MS]        - set/get sample rate\n",
  		cmd);
  	printf("  %s odr NUM [ODR [ROUNDUP]]      - set/get sensor ODR\n",
  		cmd);
  	printf("  %s range NUM [RANGE [ROUNDUP]]  - set/get sensor range\n",
  		cmd);
  	printf("  %s offset NUM [-- X Y Z [TEMP]] - set/get sensor offset\n",
  		cmd);
  	printf("  %s kb_wake NUM                  - set/get KB wake ang\n",
  		cmd);
  	printf("  %s fifo_info                    - print fifo info\n", cmd);
  	printf("  %s fifo_int_enable [0/1]        - enable/disable/get fifo "
  		"interrupt status\n", cmd);
  	printf("  %s fifo_read MAX_DATA           - read fifo data\n", cmd);
  	printf("  %s fifo_flush NUM               - trigger fifo interrupt\n",
  		cmd);
  	printf("  %s list_activities              - list supported "
  		"activities\n", cmd);
  	printf("  %s set_activity ACT EN          - enable/disable activity\n",
  		cmd);
  	printf("  %s get_activity ACT             - get activity status\n",
  		cmd);
  	printf("  %s lid_angle                    - print lid angle\n", cmd);
  	printf("  %s spoof -- NUM [0/1] [X Y Z]   - enable/disable spoofing\n",
  		cmd);
  	printf("  %s spoof -- NUM activity ACT [0/1] [STATE] - enable/disable "
  		"activity spoofing\n", cmd);
  	printf("  %s tablet_mode_angle ANG HYS    - set/get tablet mode "
  		"angle\n", cmd);
  	printf("  %s calibrate NUM                - run sensor calibration\n",
  		cmd);
  
  	return 0;
  }
  
  static void motionsense_display_activities(uint32_t activities)
  {
  	if (activities & BIT(MOTIONSENSE_ACTIVITY_SIG_MOTION))
  		printf("%d: Significant motion\n",
  		       MOTIONSENSE_ACTIVITY_SIG_MOTION);
  	if (activities & BIT(MOTIONSENSE_ACTIVITY_DOUBLE_TAP))
  		printf("%d: Double tap\n",
  		       MOTIONSENSE_ACTIVITY_DOUBLE_TAP);
  	if (activities & BIT(MOTIONSENSE_ACTIVITY_ORIENTATION))
  		printf("%d: Orientation\n",
  		       MOTIONSENSE_ACTIVITY_ORIENTATION);
  	if (activities & BIT(MOTIONSENSE_ACTIVITY_BODY_DETECTION))
  		printf("%d: Body Detection\n",
  		       MOTIONSENSE_ACTIVITY_BODY_DETECTION);
  }
  
  static int cmd_motionsense(int argc, char **argv)
  {
  	int i, rv, status_only = (argc == 2);
  	struct ec_params_motion_sense param;
  	/* The largest size using resp as a response buffer */
  	uint8_t resp_buffer[ms_command_sizes[MOTIONSENSE_CMD_DUMP].insize];
  	struct ec_response_motion_sense *resp =
  		(struct ec_response_motion_sense *)resp_buffer;
  	char *e;
  	/*
  	 * Warning: the following strings printed out are read in an
  	 * autotest. Do not change string without consulting autotest
  	 * for kernel_CrosECSysfsAccel.
  	 */
  	const char *motion_status_string[2][2] = {
  		{ "Motion sensing inactive", "0"},
  		{ "Motion sensing active", "1"},
  	};
  	/* No motionsense command has more than 7 args. */
  	if (argc > 7)
  		return ms_help(argv[0]);
  
  	if ((argc == 1) ||
  	    (argc == 2 && !strcasecmp(argv[1], "active"))) {
  		param.cmd = MOTIONSENSE_CMD_DUMP;
  		param.dump.max_sensor_count = ECTOOL_MAX_SENSOR;
  		rv = ec_command(
  			EC_CMD_MOTION_SENSE_CMD, 1,
  			&param, ms_command_sizes[param.cmd].outsize,
  			resp, ms_command_sizes[param.cmd].insize);
  		if (rv > 0) {
  			printf("%s\n", motion_status_string[
  					!!(resp->dump.module_flags &
  					   MOTIONSENSE_MODULE_FLAG_ACTIVE)][
  					status_only]);
  			if (status_only)
  				return 0;
  
  			if (resp->dump.sensor_count > ECTOOL_MAX_SENSOR) {
  				printf("Too many sensors to handle: %d",
  						resp->dump.sensor_count);
  				return -1;
  			}
  			for (i = 0; i < resp->dump.sensor_count; i++) {
  				/*
  				 * Warning: the following string printed out
  				 * is read by an autotest. Do not change string
  				 * without consulting autotest for
  				 * kernel_CrosECSysfsAccel.
  				 */
  				printf("Sensor %d: ", i);
  				if (resp->dump.sensor[i].flags &
  						MOTIONSENSE_SENSOR_FLAG_PRESENT)
  					printf("%d\t%d\t%d\n",
  						resp->dump.sensor[i].data[0],
  						resp->dump.sensor[i].data[1],
  						resp->dump.sensor[i].data[2]);
  				else
  					printf("None\n");
  			}
  			return 0;
  		} else {
  			return rv;
  		}
  	}
  
  	if (argc == 3 && !strcasecmp(argv[1], "info")) {
  		int version = 0;
  
  		rv = get_latest_cmd_version(EC_CMD_MOTION_SENSE_CMD, &version);
  		if (rv < 0)
  			return rv;
  
  		param.cmd = MOTIONSENSE_CMD_INFO;
  		param.sensor_odr.sensor_num = strtol(argv[2], &e, 0);
  		if (e && *e) {
  			fprintf(stderr, "Bad %s arg.\n", argv[2]);
  			return -1;
  		}
  
  		rv = ec_command(EC_CMD_MOTION_SENSE_CMD, version,
  				&param, ms_command_sizes[param.cmd].outsize,
  				resp, ms_command_sizes[param.cmd].insize);
  		if (rv < 0)
  			return rv;
  
  		printf("Type:     ");
  		switch (resp->info.type) {
  		case MOTIONSENSE_TYPE_ACCEL:
  			printf("accel\n");
  			break;
  		case MOTIONSENSE_TYPE_GYRO:
  			printf("gyro\n");
  			break;
  		case MOTIONSENSE_TYPE_MAG:
  			printf("magnetometer\n");
  			break;
  		case MOTIONSENSE_TYPE_LIGHT:
  			printf("light\n");
  			break;
  		case MOTIONSENSE_TYPE_LIGHT_RGB:
  			printf("rgb light\n");
  			break;
  		case MOTIONSENSE_TYPE_PROX:
  			printf("proximity\n");
  			break;
  		case MOTIONSENSE_TYPE_ACTIVITY:
  			printf("activity\n");
  			break;
  		case MOTIONSENSE_TYPE_BARO:
  			printf("barometer\n");
  			break;
  		case MOTIONSENSE_TYPE_SYNC:
  			printf("sync\n");
  			break;
  		default:
  			printf("unknown\n");
  		}
  
  		printf("Location: ");
  		switch (resp->info.location) {
  		case MOTIONSENSE_LOC_BASE:
  			printf("base\n");
  			break;
  		case MOTIONSENSE_LOC_LID:
  			printf("lid\n");
  			break;
  		case MOTIONSENSE_LOC_CAMERA:
  			printf("camera\n");
  			break;
  		default:
  			printf("unknown\n");
  		}
  
  		printf("Chip:     ");
  		switch (resp->info.chip) {
  		case MOTIONSENSE_CHIP_KXCJ9:
  			printf("kxcj9\n");
  			break;
  		case MOTIONSENSE_CHIP_LSM6DS0:
  			printf("lsm6ds0\n");
  			break;
  		case MOTIONSENSE_CHIP_BMI160:
  			printf("bmi160\n");
  			break;
  		case MOTIONSENSE_CHIP_SI1141:
  			printf("si1141\n");
  			break;
  		case MOTIONSENSE_CHIP_KX022:
  			printf("kx022\n");
  			break;
  		case MOTIONSENSE_CHIP_L3GD20H:
  			printf("l3gd20h\n");
  			break;
  		case MOTIONSENSE_CHIP_BMA255:
  			printf("bma255\n");
  			break;
  		case MOTIONSENSE_CHIP_BMP280:
  			printf("bmp280\n");
  			break;
  		case MOTIONSENSE_CHIP_OPT3001:
  			printf("opt3001\n");
  			break;
  		case MOTIONSENSE_CHIP_BH1730:
  			printf("bh1730\n");
  			break;
  		case MOTIONSENSE_CHIP_GPIO:
  			printf("gpio\n");
  			break;
  		case MOTIONSENSE_CHIP_LIS2DH:
  			printf("lis2dh\n");
  			break;
  		case MOTIONSENSE_CHIP_LSM6DSM:
  			printf("lsm6dsm\n");
  			break;
  		case MOTIONSENSE_CHIP_LIS2DE:
  			printf("lis2de\n");
  			break;
  		case MOTIONSENSE_CHIP_LIS2MDL:
  			printf("lis2mdl\n");
  			break;
  		case MOTIONSENSE_CHIP_LSM6DS3:
  			printf("lsm6ds3\n");
  			break;
  		case MOTIONSENSE_CHIP_LSM6DSO:
  			printf("lsm6dso\n");
  			break;
  		case MOTIONSENSE_CHIP_LNG2DM:
  			printf("lng2dm\n");
  			break;
  		case MOTIONSENSE_CHIP_TCS3400:
  			printf("tcs3400\n");
  			break;
  		case MOTIONSENSE_CHIP_LIS2DW12:
  			printf("lis2dw12\n");
  			break;
  		case MOTIONSENSE_CHIP_LIS2DWL:
  			printf("lis2dwl\n");
  			break;
  		case MOTIONSENSE_CHIP_LIS2DS:
  			printf("lis2ds\n");
  			break;
  		case MOTIONSENSE_CHIP_BMI260:
  			printf("bmi260\n");
  			break;
  		case MOTIONSENSE_CHIP_ICM426XX:
  			printf("icm426xx\n");
  			break;
  		case MOTIONSENSE_CHIP_ICM42607:
  			printf("icm42607\n");
  			break;
  		case MOTIONSENSE_CHIP_BMI323:
  			printf("bmi323\n");
  			break;
  		case MOTIONSENSE_CHIP_BMA422:
  			printf("bma422\n");
  			break;
  		case MOTIONSENSE_CHIP_BMI220:
  			printf("bmi220\n");
  			break;
  		default:
  			printf("unknown\n");
  		}
  
  		if (version >= 3) {
  			printf("Min Frequency:              %d mHz\n",
  				resp->info_3.min_frequency);
  			printf("Max Frequency:              %d mHz\n",
  				resp->info_3.max_frequency);
  			printf("FIFO Max Event Count:       %d\n",
  				resp->info_3.fifo_max_event_count);
  		}
  		if (version >= 4) {
  			printf("Flags:                      %d\n",
  			       resp->info_4.flags);
  		}
  		return 0;
  	}
  
  	if (argc > 2 && !strcasecmp(argv[1], "ec_rate")) {
  		param.cmd = MOTIONSENSE_CMD_EC_RATE;
  		param.ec_rate.data = EC_MOTION_SENSE_NO_VALUE;
  		param.sensor_odr.sensor_num = strtol(argv[2], &e, 0);
  		if (e && *e) {
  			fprintf(stderr, "Bad %s arg.\n", argv[2]);
  			return -1;
  		}
  		if (argc == 4) {
  			param.ec_rate.data = strtol(argv[3], &e, 0);
  			if (e && *e) {
  				fprintf(stderr, "Bad %s arg.\n", argv[3]);
  				return -1;
  			}
  		}
  
  		rv = ec_command(EC_CMD_MOTION_SENSE_CMD, 1,
  				&param, ms_command_sizes[param.cmd].outsize,
  				resp, ms_command_sizes[param.cmd].insize);
  
  		if (rv < 0)
  			return rv;
  
  		printf("%d\n", resp->ec_rate.ret);
  		return 0;
  	}
  
  	if (argc > 2 && !strcasecmp(argv[1], "odr")) {
  		param.cmd = MOTIONSENSE_CMD_SENSOR_ODR;
  		param.sensor_odr.data = EC_MOTION_SENSE_NO_VALUE;
  		param.sensor_odr.roundup = 1;
  
  		param.sensor_odr.sensor_num = strtol(argv[2], &e, 0);
  		if (e && *e) {
  			fprintf(stderr, "Bad %s arg.\n", argv[2]);
  			return -1;
  		}
  
  		if (argc >= 4) {
  			param.sensor_odr.data = strtol(argv[3], &e, 0);
  			if (e && *e) {
  				fprintf(stderr, "Bad %s arg.\n", argv[3]);
  				return -1;
  			}
  		}
  
  		if (argc == 5) {
  			param.sensor_odr.roundup = strtol(argv[4], &e, 0);
  			if (e && *e) {
  				fprintf(stderr, "Bad %s arg.\n", argv[4]);
  				return -1;
  			}
  		}
  
  		rv = ec_command(EC_CMD_MOTION_SENSE_CMD, 1,
  				&param, ms_command_sizes[param.cmd].outsize,
  				resp, ms_command_sizes[param.cmd].insize);
  
  		if (rv < 0)
  			return rv;
  
  		printf("%d\n", resp->sensor_odr.ret);
  		return 0;
  	}
  
  	if (argc > 2 && !strcasecmp(argv[1], "range")) {
  		param.cmd = MOTIONSENSE_CMD_SENSOR_RANGE;
  		param.sensor_range.data = EC_MOTION_SENSE_NO_VALUE;
  		param.sensor_range.roundup = 1;
  
  		param.sensor_range.sensor_num = strtol(argv[2], &e, 0);
  		if (e && *e) {
  			fprintf(stderr, "Bad %s arg.\n", argv[2]);
  			return -1;
  		}
  
  		if (argc >= 4) {
  			param.sensor_range.data = strtol(argv[3], &e, 0);
  			if (e && *e) {
  				fprintf(stderr, "Bad %s arg.\n", argv[3]);
  				return -1;
  			}
  		}
  
  		if (argc == 5) {
  			param.sensor_odr.roundup = strtol(argv[4], &e, 0);
  			if (e && *e) {
  				fprintf(stderr, "Bad %s arg.\n", argv[4]);
  				return -1;
  			}
  		}
  
  		rv = ec_command(EC_CMD_MOTION_SENSE_CMD, 1,
  				&param, ms_command_sizes[param.cmd].outsize,
  				resp, ms_command_sizes[param.cmd].insize);
  
  		if (rv < 0)
  			return rv;
  
  		printf("%d\n", resp->sensor_range.ret);
  		return 0;
  	}
  
  	if (argc < 4 && !strcasecmp(argv[1], "kb_wake")) {
  		param.cmd = MOTIONSENSE_CMD_KB_WAKE_ANGLE;
  		param.kb_wake_angle.data = EC_MOTION_SENSE_NO_VALUE;
  
  		if (argc == 3) {
  			param.kb_wake_angle.data = strtol(argv[2], &e, 0);
  			if (e && *e) {
  				fprintf(stderr, "Bad %s arg.\n", argv[2]);
  				return -1;
  			}
  		}
  
  		rv = ec_command(EC_CMD_MOTION_SENSE_CMD, 1,
  				&param, ms_command_sizes[param.cmd].outsize,
  				resp, ms_command_sizes[param.cmd].insize);
  
  		if (rv < 0)
  			return rv;
  
  		printf("%d\n", resp->kb_wake_angle.ret);
  		return 0;
  	}
  
  	if (argc < 5 && !strcasecmp(argv[1], "tablet_mode_angle")) {
  		param.cmd = MOTIONSENSE_CMD_TABLET_MODE_LID_ANGLE;
  		/*
  		 * EC_MOTION_SENSE_NO_VALUE indicates to the EC that host is
  		 * attempting to only read the current values.
  		 */
  		param.tablet_mode_threshold.lid_angle =
  			EC_MOTION_SENSE_NO_VALUE;
  		param.tablet_mode_threshold.hys_degree =
  			EC_MOTION_SENSE_NO_VALUE;
  
  		if (argc == 4) {
  			param.tablet_mode_threshold.lid_angle = strtol(argv[2],
  								     &e, 0);
  
  			if (e && *e) {
  				fprintf(stderr, "Bad %s arg.\n", argv[2]);
  				return -1;
  			}
  
  			param.tablet_mode_threshold.hys_degree = strtol(argv[3],
  								     &e, 0);
  			if (e && *e) {
  				fprintf(stderr, "Bad %s arg.\n", argv[3]);
  				return -1;
  			}
  		} else if (argc != 2) {
  			return ms_help(argv[0]);
  		}
  
  		rv = ec_command(EC_CMD_MOTION_SENSE_CMD, 2,
  				&param, ms_command_sizes[param.cmd].outsize,
  				resp, ms_command_sizes[param.cmd].insize);
  
  		if (rv < 0)
  			return rv;
  
  		printf("tablet_mode_angle=%d hys=%d\n",
  		       resp->tablet_mode_threshold.lid_angle,
  		       resp->tablet_mode_threshold.hys_degree);
  
  		return 0;
  	}
  
  	if (argc == 2 && !strcasecmp(argv[1], "fifo_info")) {
  		int sensor_count;
  
  		param.cmd = MOTIONSENSE_CMD_DUMP;
  		param.dump.max_sensor_count = 0;
  		rv = ec_command(EC_CMD_MOTION_SENSE_CMD, 1,
  				&param, ms_command_sizes[param.cmd].outsize,
  				resp, ms_command_sizes[param.cmd].insize);
  		if (rv < 0)
  			return rv;
  		sensor_count = resp->dump.sensor_count;
  
  		param.cmd = MOTIONSENSE_CMD_FIFO_INFO;
  		rv = ec_command(EC_CMD_MOTION_SENSE_CMD, 2,
  				&param, ms_command_sizes[param.cmd].outsize,
  				resp, ms_command_sizes[param.cmd].insize);
  		if (rv < 0)
  			return rv;
  
  		printf("Size:     %d\n", resp->fifo_info.size);
  		printf("Count:    %d\n", resp->fifo_info.count);
  		printf("Timestamp:%" PRIx32 "\n", resp->fifo_info.timestamp);
  		printf("Total lost: %d\n", resp->fifo_info.total_lost);
  		for (i = 0; i < sensor_count; i++) {
  			int lost = resp->fifo_info.lost[i];
  			if (lost != 0)
  				printf("Lost %d:     %d\n", i, lost);
  		}
  		return 0;
  	}
  
  	if (argc >= 2 && !strcasecmp(argv[1], "fifo_int_enable")) {
  		param.cmd = MOTIONSENSE_CMD_FIFO_INT_ENABLE;
  		if (argc == 3)
  			param.fifo_int_enable.enable = strtol(argv[2], &e, 0);
  		else
  			param.fifo_int_enable.enable = EC_MOTION_SENSE_NO_VALUE;
  		rv = ec_command(EC_CMD_MOTION_SENSE_CMD, 2,
  				&param, ms_command_sizes[param.cmd].outsize,
  				resp, ms_command_sizes[param.cmd].insize);
  		if (rv < 0)
  			return rv;
  
  		printf("%d\n", resp->fifo_int_enable.ret);
  		return 0;
  	}
  
  	if (argc == 3 && !strcasecmp(argv[1], "fifo_read")) {
  		/* large number to test fragmentation */
  		struct {
  			uint32_t number_data;
  			struct ec_response_motion_sensor_data data[512];
  		} fifo_read_buffer = {
  			.number_data = UINT32_MAX,
  		};
  		int print_data = 0,  max_data = strtol(argv[2], &e, 0);
  
  		if (e && *e) {
  			fprintf(stderr, "Bad %s arg.\n", argv[2]);
  			return -1;
  		}
  		while (fifo_read_buffer.number_data != 0 &&
  		       print_data < max_data) {
  			struct ec_response_motion_sensor_data *vector;
  			param.cmd = MOTIONSENSE_CMD_FIFO_READ;
  			param.fifo_read.max_data_vector =
  				MIN(ARRAY_SIZE(fifo_read_buffer.data),
  				    max_data - print_data);
  
  			rv = ec_command(EC_CMD_MOTION_SENSE_CMD, 2,
  					&param,
  					ms_command_sizes[param.cmd].outsize,
  					&fifo_read_buffer, ec_max_insize);
  			if (rv < 0)
  				return rv;
  
  			print_data += fifo_read_buffer.number_data;
  			for (i = 0; i < fifo_read_buffer.number_data; i++) {
  				vector = &fifo_read_buffer.data[i];
  				if (vector->flags &
  					(MOTIONSENSE_SENSOR_FLAG_TIMESTAMP |
  					 MOTIONSENSE_SENSOR_FLAG_FLUSH)) {
  
  					printf("Timestamp:%" PRIx32 "%s\n",
  						vector->timestamp,
  						(vector->flags &
  						 MOTIONSENSE_SENSOR_FLAG_FLUSH ?
  						 " - Flush" : ""));
  				} else {
  					printf("Sensor %d: %d\t%d\t%d "
  					       "(as uint16: %u\t%u\t%u)\n",
  						vector->sensor_num,
  						vector->data[0],
  						vector->data[1],
  						vector->data[2],
  						vector->data[0],
  						vector->data[1],
  						vector->data[2]);
  				}
  			}
  		}
  		return 0;
  	}
  	if (argc == 3 && !strcasecmp(argv[1], "fifo_flush")) {
  		param.cmd = MOTIONSENSE_CMD_FIFO_FLUSH;
  
  		param.sensor_odr.sensor_num = strtol(argv[2], &e, 0);
  		if (e && *e) {
  			fprintf(stderr, "Bad %s arg.\n", argv[2]);
  			return -1;
  		}
  
  		rv = ec_command(EC_CMD_MOTION_SENSE_CMD, 1,
  				&param, ms_command_sizes[param.cmd].outsize,
  				resp, ms_command_sizes[param.cmd].insize);
  
  		return rv < 0 ? rv : 0;
  	}
  
  	if (argc == 3 && !strcasecmp(argv[1], "calibrate")) {
  		param.cmd = MOTIONSENSE_CMD_PERFORM_CALIB;
  		param.perform_calib.enable = 1;
  		param.perform_calib.sensor_num = strtol(argv[2], &e, 0);
  		if (e && *e) {
  			fprintf(stderr, "Bad %s arg.\n", argv[2]);
  			return -1;
  		}
  
  		rv = ec_command(EC_CMD_MOTION_SENSE_CMD, 1,
  				&param, ms_command_sizes[param.cmd].outsize,
  				resp, ms_command_sizes[param.cmd].insize);
  
  		if (rv < 0)
  			return rv;
  
  		printf("--- Calibrated well ---\n");
  		printf("New offset vector: X:%d, Y:%d, Z:%d\n",
  			resp->perform_calib.offset[0],
  			resp->perform_calib.offset[1],
  			resp->perform_calib.offset[2]);
  		if ((uint16_t)resp->perform_calib.temp ==
  		    EC_MOTION_SENSE_INVALID_CALIB_TEMP)
  			printf("Temperature at calibration unknown\n");
  		else
  			printf("Temperature at calibration: %d.%02d C\n",
  			       resp->perform_calib.temp / 100,
  			       resp->perform_calib.temp % 100);
  		return 0;
  	}
  
  	if (argc >= 3 && !strcasecmp(argv[1], "offset")) {
  		param.cmd = MOTIONSENSE_CMD_SENSOR_OFFSET;
  		param.sensor_offset.flags = 0;
  		param.sensor_offset.temp = EC_MOTION_SENSE_INVALID_CALIB_TEMP;
  
  		param.sensor_offset.sensor_num = strtol(argv[2], &e, 0);
  		if (e && *e) {
  			fprintf(stderr, "Bad %s arg.\n", argv[2]);
  			return -1;
  		}
  
  		if (argc >= 4) {
  			/* Regarded as a command to set offset */
  			if (argc >= 6 && argc < 8) {
  				/* Set offset : X, Y, Z */
  				param.sensor_offset.flags = MOTION_SENSE_SET_OFFSET;
  				for (i = 0; i < 3; i++) {
  					param.sensor_offset.offset[i] = strtol(argv[3+i], &e, 0);
  					if (e && *e) {
  						fprintf(stderr, "Bad %s arg.\n", argv[3+i]);
  						return -1;
  					}
  				}
  				if (argc == 7) {
  					/* Set offset : Temperature */
  					param.sensor_offset.temp = strtol(argv[6], &e, 0);
  					if (e && *e) {
  						fprintf(stderr, "Bad %s arg.\n", argv[6]);
  						return -1;
  					}
  				}
  			} else {
  				return ms_help(argv[0]);
  			}
  		}
  
  		rv = ec_command(EC_CMD_MOTION_SENSE_CMD, 1,
  				&param, ms_command_sizes[param.cmd].outsize,
  				resp, ms_command_sizes[param.cmd].insize);
  
  		if (rv < 0)
  			return rv;
  
  		printf("Offset vector: X:%d, Y:%d, Z:%d\n",
  			resp->sensor_offset.offset[0],
  			resp->sensor_offset.offset[1],
  			resp->sensor_offset.offset[2]);
  		if ((uint16_t)resp->sensor_offset.temp ==
  		    EC_MOTION_SENSE_INVALID_CALIB_TEMP)
  			printf("temperature at calibration unknown\n");
  		else
  			printf("temperature at calibration: %d.%02d C\n",
  			       resp->sensor_offset.temp / 100,
  			       resp->sensor_offset.temp % 100);
  		return 0;
  	}
  
  	if (argc == 2 && !strcasecmp(argv[1], "list_activities")) {
  		param.cmd = MOTIONSENSE_CMD_LIST_ACTIVITIES;
  		rv = ec_command(EC_CMD_MOTION_SENSE_CMD, 2,
  				&param, ms_command_sizes[param.cmd].outsize,
  				resp, ms_command_sizes[param.cmd].insize);
  		if (rv < 0)
  			return rv;
  
  		printf("Enabled:\n");
  		motionsense_display_activities(resp->list_activities.enabled);
  		printf("Disabled:\n");
  		motionsense_display_activities(resp->list_activities.disabled);
  		return 0;
  	}
  	if (argc == 4 && !strcasecmp(argv[1], "set_activity")) {
  		param.cmd = MOTIONSENSE_CMD_SET_ACTIVITY;
  		param.set_activity.activity = strtol(argv[2], &e, 0);
  		param.set_activity.enable = strtol(argv[3], &e, 0);
  
  		rv = ec_command(EC_CMD_MOTION_SENSE_CMD, 2,
  				&param, ms_command_sizes[param.cmd].outsize,
  				resp, ms_command_sizes[param.cmd].insize);
  		if (rv < 0)
  			return rv;
  		return 0;
  	}
  	if (argc == 3 && !strcasecmp(argv[1], "get_activity")) {
  		param.cmd = MOTIONSENSE_CMD_GET_ACTIVITY;
  		param.get_activity.activity = strtol(argv[2], &e, 0);
  
  		rv = ec_command(EC_CMD_MOTION_SENSE_CMD, 2,
  				&param, ms_command_sizes[param.cmd].outsize,
  				resp, ms_command_sizes[param.cmd].insize);
  		if (rv < 0)
  			return rv;
  		printf("State: %d\n", resp->get_activity.state);
  		return 0;
  	}
  	if (argc == 2 && !strcasecmp(argv[1], "lid_angle")) {
  		param.cmd = MOTIONSENSE_CMD_LID_ANGLE;
  		rv = ec_command(EC_CMD_MOTION_SENSE_CMD, 2,
  				&param, ms_command_sizes[param.cmd].outsize,
  				resp, ms_command_sizes[param.cmd].insize);
  		if (rv < 0)
  			return rv;
  
  		printf("Lid angle: ");
  		if (resp->lid_angle.value == LID_ANGLE_UNRELIABLE)
  			printf("unreliable\n");
  		else
  			printf("%d\n", resp->lid_angle.value);
  
  		return 0;
  	}
  
  	if (argc >= 3 && !strcasecmp(argv[1], "spoof")) {
  		param.cmd = MOTIONSENSE_CMD_SPOOF;
  		/* By default, just query the current spoof status. */
  		param.spoof.spoof_enable = MOTIONSENSE_SPOOF_MODE_QUERY;
  		param.spoof.sensor_id = strtol(argv[2], &e, 0);
  		if (e && *e) {
  			fprintf(stderr, "Bad %s arg.\n", argv[2]);
  			return -1;
  		}
  		/* spoof activity state */
  		if (argc >= 5 && !strcasecmp(argv[3], "activity")) {
  			int enable = 0;
  
  			param.spoof.activity_num = strtol(argv[4], &e, 0);
  			if (e && *e) {
  				fprintf(stderr, "Base %s arg.\n", argv[4]);
  				return -1;
  			}
  			if (argc >= 6) {
  				enable = strtol(argv[5], &e, 0);
  				if ((e && *e) || (enable != 0 && enable != 1)) {
  					fprintf(stderr, "Bad %s arg.\n",
  						argv[5]);
  					return -1;
  				}
  			}
  			if ((enable == 1) && (argc == 6)) {
  				/* Enable spoofing, but lock to current state */
  				param.spoof.spoof_enable =
  					MOTIONSENSE_SPOOF_MODE_LOCK_CURRENT;
  			} else if ((enable == 1) && (argc == 7)) {
  				/* Enable spoofing, but use provided state */
  				int state = strtol(argv[6], &e, 0);
  
  				if ((e && *e) || (state != 0 && state != 1)) {
  					fprintf(stderr, "Bad %s arg.\n",
  						argv[6]);
  					return -1;
  				}
  				param.spoof.activity_state = state;
  				param.spoof.spoof_enable =
  					MOTIONSENSE_SPOOF_MODE_CUSTOM;
  			} else if ((enable == 0) && (argc == 6)) {
  				param.spoof.spoof_enable =
  					MOTIONSENSE_SPOOF_MODE_DISABLE;
  			} else if (argc != 5) {
  				return ms_help(argv[0]);
  			}
  		/* spoof accel data */
  		} else if (argc >= 4) {
  			int enable, i;
  			int16_t val;
  
  			enable = strtol(argv[3], &e, 0);
  			if ((e && *e) || (enable != 0 && enable != 1)) {
  				fprintf(stderr, "Bad %s arg.\n", argv[3]);
  				return -1;
  			}
  
  			if ((enable == 1) && (argc == 4)) {
  				/*
  				 * Enable spoofing, but lock to current sensor
  				 * values.
  				 */
  				param.spoof.spoof_enable =
  					MOTIONSENSE_SPOOF_MODE_LOCK_CURRENT;
  			} else if ((enable == 1) && (argc == 7)) {
  				/*
  				 * Enable spoofing, but use provided component
  				 * values.
  				 */
  				param.spoof.spoof_enable =
  					MOTIONSENSE_SPOOF_MODE_CUSTOM;
  				for (i = 0; i < 3; i++) {
  					val = strtol(argv[4+i], &e, 0);
  					if (e && *e) {
  						fprintf(stderr, "Bad %s arg.\n",
  							argv[4+i]);
  						return -1;
  					}
  					param.spoof.components[i] = val;
  				}
  			} else if (enable == 0) {
  				param.spoof.spoof_enable =
  					MOTIONSENSE_SPOOF_MODE_DISABLE;
  			} else {
  				return ms_help(argv[0]);
  			}
  		}
  
  		rv = ec_command(EC_CMD_MOTION_SENSE_CMD, 2,
  				&param, ms_command_sizes[param.cmd].outsize,
  				resp, ms_command_sizes[param.cmd].insize);
  		if (rv < 0)
  			return rv;
  
  		if (param.spoof.spoof_enable == MOTIONSENSE_SPOOF_MODE_QUERY)
  			/*
  			 * Response is the current spoof status of the
  			 * sensor.
  			 */
  			printf("Sensor %d spoof mode is %s.\n",
  			       param.spoof.sensor_id,
  			       resp->spoof.ret ? "enabled" : "disabled");
  
  		return 0;
  	}
  
  	return ms_help(argv[0]);
  }
  
  int cmd_next_event(int argc, char *argv[])
  {
  	uint8_t *rdata = (uint8_t *)ec_inbuf;
  	int rv;
  	int i;
  
  	rv = ec_command(EC_CMD_GET_NEXT_EVENT, 0,
  			NULL, 0, rdata, ec_max_insize);
  	if (rv < 0)
  		return rv;
  
  	printf("Next event is 0x%02x\n", rdata[0]);
  	if (rv > 1) {
  		printf("Event data:\n");
  		for (i = 1; i < rv; ++i) {
  			printf("%02x ", rdata[i]);
  			if (!(i & 0xf))
  				printf("\n");
  		}
  		printf("\n");
  	}
  
  	return 0;
  }
  
  static int find_led_color_by_name(const char *color)
  {
  	int i;
  
  	for (i = 0; i < EC_LED_COLOR_COUNT; ++i)
  		if (!strcasecmp(color, led_color_names[i]))
  			return i;
  
  	return -1;
  }
  
  static int find_led_id_by_name(const char *led)
  {
  	int i;
  
  	for (i = 0; i < EC_LED_ID_COUNT; ++i)
  		if (!strcasecmp(led, led_names[i]))
  			return i;
  
  	return -1;
  }
  
  int cmd_led(int argc, char *argv[])
  {
  	struct ec_params_led_control p;
  	struct ec_response_led_control r;
  	char *e, *ptr;
  	int rv, i, j;
  
  	memset(p.brightness, 0, sizeof(p.brightness));
  	p.flags = 0;
  
  	if (argc < 3) {
  		fprintf(stderr,
  			"Usage: %s <name> <query | auto | "
  			"off | <color> | <color>=<value>...>\n", argv[0]);
  		return -1;
  	}
  
  	p.led_id = find_led_id_by_name(argv[1]);
  	if (p.led_id == (uint8_t)-1) {
  		fprintf(stderr, "Bad LED name: %s\n", argv[1]);
  		fprintf(stderr, "Valid LED names: ");
  		for (i = 0; i < EC_LED_ID_COUNT; i++)
  			fprintf(stderr, "%s ", led_names[i]);
  		fprintf(stderr, "\n");
  		return -1;
  	}
  
  	if (!strcasecmp(argv[2], "query")) {
  		p.flags = EC_LED_FLAGS_QUERY;
  		rv = ec_command(EC_CMD_LED_CONTROL, 1, &p, sizeof(p),
  				&r, sizeof(r));
  		printf("Brightness range for LED %d:\n", p.led_id);
  		if (rv < 0) {
  			fprintf(stderr, "Error: Unsupported LED.\n");
  			return rv;
  		}
  		for (i = 0; i < EC_LED_COLOR_COUNT; ++i)
  			printf("\t%s\t: 0x%x\n",
  			       led_color_names[i],
  			       r.brightness_range[i]);
  		return 0;
  	}
  
  	if (!strcasecmp(argv[2], "off")) {
  		/* Brightness initialized to 0 for each color. */
  	} else if (!strcasecmp(argv[2], "auto")) {
  		p.flags = EC_LED_FLAGS_AUTO;
  	} else if ((i = find_led_color_by_name(argv[2])) != -1) {
  		p.brightness[i] = 0xff;
  	} else {
  		for (i = 2; i < argc; ++i) {
  			ptr = strtok(argv[i], "=");
  			j = find_led_color_by_name(ptr);
  			if (j == -1) {
  				fprintf(stderr, "Bad color name: %s\n", ptr);
  				fprintf(stderr, "Valid colors: ");
  				for (j = 0; j < EC_LED_COLOR_COUNT; j++)
  					fprintf(stderr, "%s ",
  						led_color_names[j]);
  				fprintf(stderr, "\n");
  				return -1;
  			}
  			ptr = strtok(NULL, "=");
  			if (ptr == NULL) {
  				fprintf(stderr, "Missing brightness value\n");
  				return -1;
  			}
  			p.brightness[j] = strtol(ptr, &e, 0);
  			if (e && *e) {
  				fprintf(stderr, "Bad brightness: %s\n", ptr);
  				return -1;
  			}
  		}
  	}
  
  	rv = ec_command(EC_CMD_LED_CONTROL, 1, &p, sizeof(p), &r, sizeof(r));
  	return (rv < 0 ? rv : 0);
  }
  
  
  int cmd_usb_charge_set_mode(int argc, char *argv[])
  {
  	struct ec_params_usb_charge_set_mode p;
  	char *e;
  	int rv;
  
  	if (argc != 3 && argc != 4) {
  		fprintf(stderr,
  			"Usage: %s <port_id> <mode_id> [<inhibit_charge>]\n",
  			argv[0]);
  		return -1;
  	}
  	p.usb_port_id = strtol(argv[1], &e, 0);
  	if (e && *e) {
  		fprintf(stderr, "Bad port ID.\n");
  		return -1;
  	}
  	p.mode = strtol(argv[2], &e, 0);
  	if (e && *e) {
  		fprintf(stderr, "Bad mode ID.\n");
  		return -1;
  	}
  	p.inhibit_charge = 0;
  	if (argc == 4) {
  		p.inhibit_charge = strtol(argv[3], &e, 0);
  		if ((e && *e) || (p.inhibit_charge != 0 &&
  			p.inhibit_charge != 1)) {
  			fprintf(stderr, "Bad value\n");
  			return -1;
  		}
  	}
  
  	printf("Setting port %d to mode %d inhibit_charge %d...\n",
  		p.usb_port_id, p.mode, p.inhibit_charge);
  
  	rv = ec_command(EC_CMD_USB_CHARGE_SET_MODE, 0,
  			&p, sizeof(p), NULL, 0);
  	if (rv < 0)
  		return rv;
  
  	printf("USB charging mode set.\n");
  	return 0;
  }
  
  
  int cmd_usb_mux(int argc, char *argv[])
  {
  	struct ec_params_usb_mux p;
  	char *e;
  	int rv;
  
  	if (argc != 2) {
  		fprintf(stderr, "Usage: %s <mux>\n", argv[0]);
  		return -1;
  	}
  
  	p.mux = strtol(argv[1], &e, 0);
  	if (e && *e) {
  		fprintf(stderr, "Bad mux value.\n");
  		return -1;
  	}
  
  	rv = ec_command(EC_CMD_USB_MUX, 0,
  			&p, sizeof(p), NULL, 0);
  	if (rv < 0)
  		return rv;
  
  	printf("Set USB mux to 0x%x.\n", p.mux);
  
  	return 0;
  }
  
  
  int cmd_usb_pd(int argc, char *argv[])
  {
  	const char *role_str[] = {"", "toggle", "toggle-off", "sink", "source",
  				  "freeze"};
  	const char *mux_str[] = {"", "none", "usb", "dp", "dock", "auto"};
  	const char *swap_str[] = {"", "dr_swap", "pr_swap", "vconn_swap"};
  	struct ec_params_usb_pd_control p;
  	struct ec_response_usb_pd_control_v2 *r_v2 =
  		(struct ec_response_usb_pd_control_v2 *)ec_inbuf;
  	struct ec_response_usb_pd_control_v1 *r_v1 =
  		(struct ec_response_usb_pd_control_v1 *)ec_inbuf;
  	struct ec_response_usb_pd_control *r =
  		(struct ec_response_usb_pd_control *)ec_inbuf;
  	int rv, i, j;
  	int option_ok;
  	char *e;
  	int cmdver;
  
  	BUILD_ASSERT(ARRAY_SIZE(role_str) == USB_PD_CTRL_ROLE_COUNT);
  	BUILD_ASSERT(ARRAY_SIZE(mux_str) == USB_PD_CTRL_MUX_COUNT);
  	BUILD_ASSERT(ARRAY_SIZE(swap_str) == USB_PD_CTRL_SWAP_COUNT);
  	p.role = USB_PD_CTRL_ROLE_NO_CHANGE;
  	p.mux = USB_PD_CTRL_MUX_NO_CHANGE;
  	p.swap = USB_PD_CTRL_SWAP_NONE;
  
  	if (argc < 2) {
  		fprintf(stderr, "No port specified.\n");
  		return -1;
  	}
  
  	p.port = strtol(argv[1], &e, 0);
  	if (e && *e) {
  		fprintf(stderr, "Invalid param (port)\n");
  		return -1;
  	}
  
  	for (i = 2; i < argc; ++i) {
  		option_ok = 0;
  		if (!strcmp(argv[i], "auto")) {
  			if (argc != 3) {
  				fprintf(stderr, "\"auto\" may not be used "
  						"with other options.\n");
  				return -1;
  			}
  			p.role = USB_PD_CTRL_ROLE_TOGGLE_ON;
  			p.mux = USB_PD_CTRL_MUX_AUTO;
  			continue;
  		}
  
  		for (j = 0; j < ARRAY_SIZE(role_str); ++j) {
  			if (!strcmp(argv[i], role_str[j])) {
  				if (p.role != USB_PD_CTRL_ROLE_NO_CHANGE) {
  					fprintf(stderr,
  						"Only one role allowed.\n");
  					return -1;
  				}
  				p.role = j;
  				option_ok = 1;
  				break;
  			}
  		}
  		if (option_ok)
  			continue;
  
  		for (j = 0; j < ARRAY_SIZE(mux_str); ++j) {
  			if (!strcmp(argv[i], mux_str[j])) {
  				if (p.mux != USB_PD_CTRL_MUX_NO_CHANGE) {
  					fprintf(stderr,
  						"Only one mux type allowed.\n");
  					return -1;
  				}
  				p.mux = j;
  				option_ok = 1;
  				break;
  			}
  		}
  		if (option_ok)
  			continue;
  
  		for (j = 0; j < ARRAY_SIZE(swap_str); ++j) {
  			if (!strcmp(argv[i], swap_str[j])) {
  				if (p.swap != USB_PD_CTRL_SWAP_NONE) {
  					fprintf(stderr,
  						"Only one swap type allowed.\n");
  					return -1;
  				}
  				p.swap = j;
  				option_ok = 1;
  				break;
  			}
  		}
  
  
  		if (!option_ok) {
  			fprintf(stderr, "Unknown option: %s\n", argv[i]);
  			return -1;
  		}
  	}
  
  	if (ec_cmd_version_supported(EC_CMD_USB_PD_CONTROL, 2))
  		cmdver = 2;
  	else if (ec_cmd_version_supported(EC_CMD_USB_PD_CONTROL, 1))
  		cmdver = 1;
  	else
  		cmdver = 0;
  
  	rv = ec_command(EC_CMD_USB_PD_CONTROL, cmdver, &p, sizeof(p),
  			ec_inbuf, ec_max_insize);
  
  	if (rv < 0 || argc != 2)
  		return (rv < 0) ? rv : 0;
  
  	if (cmdver == 0) {
  		printf("Port C%d is %sabled, Role:%s Polarity:CC%d State:%d\n",
  		       p.port, (r->enabled) ? "en" : "dis",
  		       r->role == PD_ROLE_SOURCE ? "SRC" : "SNK",
  		       r->polarity + 1, r->state);
  	} else {
  		printf("Port C%d: %s, %s  State:%s\n"
  		       "Role:%s %s%s, Polarity:CC%d\n",
  		       p.port,
  		       (r_v1->enabled & PD_CTRL_RESP_ENABLED_COMMS) ?
  				"enabled" : "disabled",
  		       (r_v1->enabled & PD_CTRL_RESP_ENABLED_CONNECTED) ?
  				"connected" : "disconnected",
  		       r_v1->state,
  
  		       (r_v1->role & PD_CTRL_RESP_ROLE_POWER) ? "SRC" : "SNK",
  		       (r_v1->role & PD_CTRL_RESP_ROLE_DATA) ? "DFP" : "UFP",
  		       (r_v1->role & PD_CTRL_RESP_ROLE_VCONN) ? " VCONN" : "",
  		       r_v1->polarity + 1);
  
  		if (cmdver == 2) {
  			printf("CC State:");
  			if (r_v2->cc_state == PD_CC_NONE)
  				printf("None");
  			else if (r_v2->cc_state == PD_CC_UFP_AUDIO_ACC)
  				printf("UFP Audio accessory");
  			else if (r_v2->cc_state == PD_CC_UFP_DEBUG_ACC)
  				printf("UFP Debug accessory");
  			else if (r_v2->cc_state == PD_CC_UFP_ATTACHED)
  				printf("UFP attached");
  			else if (r_v2->cc_state == PD_CC_DFP_DEBUG_ACC)
  				printf("DFP Debug accessory");
  			else if (r_v2->cc_state == PD_CC_DFP_ATTACHED)
  				printf("DFP attached");
  			else
  				printf("UNKNOWN");
  			printf("\n");
  
  			if (r_v2->dp_mode) {
  				printf("DP pin mode:");
  				if (r_v2->dp_mode == MODE_DP_PIN_A)
  					printf("A");
  				else if (r_v2->dp_mode == MODE_DP_PIN_B)
  					printf("B");
  				else if (r_v2->dp_mode == MODE_DP_PIN_C)
  					printf("C");
  				else if (r_v2->dp_mode == MODE_DP_PIN_D)
  					printf("D");
  				else if (r_v2->dp_mode == MODE_DP_PIN_E)
  					printf("E");
  				else if (r_v2->dp_mode == MODE_DP_PIN_F)
  					printf("F");
  				else
  					printf("UNKNOWN");
  				printf("\n");
  			}
  
  			printf("Cable type:%s\n",
  				r_v2->control_flags & USB_PD_CTRL_ACTIVE_CABLE ?
  					"Active" : "Passive");
  
  			printf("TBT Adapter type:%s\n",
  				r_v2->control_flags &
  				USB_PD_CTRL_TBT_LEGACY_ADAPTER ?
  					"Legacy" : "Gen3");
  
  			printf("Optical Cable:%s\n",
  				r_v2->control_flags &
  				USB_PD_CTRL_OPTICAL_CABLE ? "True" : "False");
  
  			printf("Link LSRX Communication:%s-directional\n",
  				r_v2->control_flags &
  				USB_PD_CTRL_ACTIVE_LINK_UNIDIR ? "Uni" : "Bi");
  
  			printf("TBT Cable Speed:");
  			switch (r_v2->cable_speed) {
  			case TBT_SS_U31_GEN1:
  				printf("TBT Gen1");
  				break;
  			case TBT_SS_U32_GEN1_GEN2:
  				printf("TBT Gen1 and TBT Gen2");
  				break;
  			case TBT_SS_TBT_GEN3:
  				printf("TBT Gen3");
  				break;
  			default:
  				printf("UNKNOWN");
  			}
  			printf("\n");
  
  			printf("Rounded support: 3rd Gen %srounded support\n",
  				r_v2->cable_gen ? "and 4th Gen " : "");
  		}
  		/* If connected to a PD device, then print port partner info */
  		if ((r_v1->enabled & PD_CTRL_RESP_ENABLED_CONNECTED) &&
  		    (r_v1->enabled & PD_CTRL_RESP_ENABLED_PD_CAPABLE))
  			printf("PD Partner Capabilities:\n%s%s%s%s",
  				(r_v1->role & PD_CTRL_RESP_ROLE_DR_POWER) ?
  					" DR power\n" : "",
  				(r_v1->role & PD_CTRL_RESP_ROLE_DR_DATA) ?
  					" DR data\n" : "",
  				(r_v1->role & PD_CTRL_RESP_ROLE_USB_COMM) ?
  					" USB capable\n" : "",
  				(r_v1->role & PD_CTRL_RESP_ROLE_UNCONSTRAINED) ?
  					" Unconstrained power\n" : "");
  	}
  	return 0;
  }
  
  static void print_pd_power_info(struct ec_response_usb_pd_power_info *r)
  {
  	switch (r->role) {
  	case USB_PD_PORT_POWER_DISCONNECTED:
  		printf("Disconnected");
  		break;
  	case USB_PD_PORT_POWER_SOURCE:
  		printf("SRC");
  		break;
  	case USB_PD_PORT_POWER_SINK:
  		printf("SNK");
  		break;
  	case USB_PD_PORT_POWER_SINK_NOT_CHARGING:
  		printf("SNK (not charging)");
  		break;
  	default:
  		printf("Unknown");
  	}
  
  	if ((r->role == USB_PD_PORT_POWER_SOURCE) &&
  	    (r->meas.current_max))
  		printf(" %dmA", r->meas.current_max);
  
  	if ((r->role == USB_PD_PORT_POWER_DISCONNECTED) ||
  	    (r->role == USB_PD_PORT_POWER_SOURCE)) {
  		printf("\n");
  		return;
  	}
  
  	printf(r->dualrole ? " DRP" : " Charger");
  	switch (r->type) {
  	case USB_CHG_TYPE_PD:
  		printf(" PD");
  		break;
  	case USB_CHG_TYPE_C:
  		printf(" Type-C");
  		break;
  	case USB_CHG_TYPE_PROPRIETARY:
  		printf(" Proprietary");
  		break;
  	case USB_CHG_TYPE_BC12_DCP:
  		printf(" DCP");
  		break;
  	case USB_CHG_TYPE_BC12_CDP:
  		printf(" CDP");
  		break;
  	case USB_CHG_TYPE_BC12_SDP:
  		printf(" SDP");
  		break;
  	case USB_CHG_TYPE_OTHER:
  		printf(" Other");
  		break;
  	case USB_CHG_TYPE_VBUS:
  		printf(" VBUS");
  		break;
  	case USB_CHG_TYPE_UNKNOWN:
  		printf(" Unknown");
  		break;
  	}
  	printf(" %dmV / %dmA, max %dmV / %dmA",
  		r->meas.voltage_now, r->meas.current_lim, r->meas.voltage_max,
  		r->meas.current_max);
  	if (r->max_power)
  		printf(" / %dmW", r->max_power / 1000);
  	printf("\n");
  }
  
  int cmd_usb_pd_mux_info(int argc, char *argv[])
  {
  	struct ec_params_usb_pd_mux_info p;
  	struct ec_response_usb_pd_mux_info r;
  	int num_ports, rv, i;
  	bool tsv = false;
  
  	if (argc == 2 && (strncmp(argv[1], "tsv", 4) == 0)) {
  		tsv = true;
  	} else if (argc >= 2) {
  		fprintf(stderr, "Usage: %s [tsv]\n", argv[0]);
  		return -1;
  	}
  
  	rv = ec_command(EC_CMD_USB_PD_PORTS, 0, NULL, 0,
  			ec_inbuf, ec_max_insize);
  	if (rv < 0)
  		return rv;
  	num_ports = ((struct ec_response_usb_pd_ports *)ec_inbuf)->num_ports;
  
  	for (i = 0; i < num_ports; i++) {
  		p.port = i;
  		rv = ec_command(EC_CMD_USB_PD_MUX_INFO, 0,
  				&p, sizeof(p),
  				&r, sizeof(r));
  		if (rv < 0)
  			return rv;
  
  		if (tsv) {
  			/*
  			 * Machine-readable tab-separated values. This set of
  			 * values is append-only. Columns should not be removed
  			 * or repurposed. Update the documentation above if new
  			 * columns are added.
  			 */
  			printf("%d\t", i);
  			printf("%d\t", !!(r.flags & USB_PD_MUX_USB_ENABLED));
  			printf("%d\t", !!(r.flags & USB_PD_MUX_DP_ENABLED));
  			printf("%s\t",
  				r.flags & USB_PD_MUX_POLARITY_INVERTED ?
  							"INVERTED" : "NORMAL");
  			printf("%d\t", !!(r.flags & USB_PD_MUX_HPD_IRQ));
  			printf("%d\n", !!(r.flags & USB_PD_MUX_HPD_LVL));
  		} else {
  			/* Human-readable mux info. */
  			printf("Port %d: ", i);
  			printf("USB=%d ",
  				!!(r.flags & USB_PD_MUX_USB_ENABLED));
  			printf("DP=%d ", !!(r.flags & USB_PD_MUX_DP_ENABLED));
  			printf("POLARITY=%s",
  				r.flags & USB_PD_MUX_POLARITY_INVERTED ?
  							"INVERTED" : "NORMAL");
  			printf("HPD_IRQ=%d ",
  				!!(r.flags & USB_PD_MUX_HPD_IRQ));
  			printf("HPD_LVL=%d ",
  				!!(r.flags & USB_PD_MUX_HPD_LVL));
  			printf("SAFE=%d ", !!(r.flags & USB_PD_MUX_SAFE_MODE));
  			printf("TBT=%d ",
  				!!(r.flags & USB_PD_MUX_TBT_COMPAT_ENABLED));
  			printf("USB4=%d ",
  				!!(r.flags & USB_PD_MUX_USB4_ENABLED));
  			printf("\n");
  		}
  	}
  
  	return 0;
  }
  
  int cmd_usb_pd_power(int argc, char *argv[])
  {
  	struct ec_params_usb_pd_power_info p;
  	struct ec_response_usb_pd_power_info *r =
  		(struct ec_response_usb_pd_power_info *)ec_inbuf;
  	int num_ports, i, rv;
  	char *e;
  
  	rv = ec_command(EC_CMD_USB_PD_PORTS, 0, NULL, 0,
  			ec_inbuf, ec_max_insize);
  	if (rv < 0)
  		return rv;
  	num_ports = ((struct ec_response_usb_pd_ports *)r)->num_ports;
  
  	if (argc < 2) {
  		for (i = 0; i < num_ports; i++) {
  			p.port = i;
  			rv = ec_command(EC_CMD_USB_PD_POWER_INFO, 0,
  					&p, sizeof(p),
  					ec_inbuf, ec_max_insize);
  			if (rv < 0)
  				return rv;
  
  			printf("Port %d: ", i);
  			print_pd_power_info(r);
  		}
  	} else {
  		p.port = strtol(argv[1], &e, 0);
  		if (e && *e) {
  			fprintf(stderr, "Bad port.\n");
  			return -1;
  		}
  		rv = ec_command(EC_CMD_USB_PD_POWER_INFO, 0,
  				&p, sizeof(p),
  				ec_inbuf, ec_max_insize);
  		if (rv < 0)
  			return rv;
  
  		printf("Port %d: ", p.port);
  		print_pd_power_info(r);
  	}
  
  	return 0;
  }
  
  int cmd_kbpress(int argc, char *argv[])
  {
  	struct ec_params_mkbp_simulate_key p;
  	char *e;
  	int rv;
  
  	if (argc != 4) {
  		fprintf(stderr,
  			"Usage: %s <row> <col> <0|1>\n", argv[0]);
  		return -1;
  	}
  	p.row = strtol(argv[1], &e, 0);
  	if (e && *e) {
  		fprintf(stderr, "Bad row.\n");
  		return -1;
  	}
  	p.col = strtol(argv[2], &e, 0);
  	if (e && *e) {
  		fprintf(stderr, "Bad column.\n");
  		return -1;
  	}
  	p.pressed = strtol(argv[3], &e, 0);
  	if (e && *e) {
  		fprintf(stderr, "Bad pressed flag.\n");
  		return -1;
  	}
  
  	printf("%s row %d col %d.\n", p.pressed ? "Pressing" : "Releasing",
  				      p.row,
  				      p.col);
  
  	rv = ec_command(EC_CMD_MKBP_SIMULATE_KEY, 0,
  			&p, sizeof(p), NULL, 0);
  	if (rv < 0)
  		return rv;
  	printf("Done.\n");
  	return 0;
  }
  
  int cmd_keyboard_factory_test(int argc, char *argv[])
  {
  	struct ec_response_keyboard_factory_test r;
  	int rv;
  
  	rv = ec_command(EC_CMD_KEYBOARD_FACTORY_TEST, 0,
  			NULL, 0, &r, sizeof(r));
  	if (rv < 0)
  		return rv;
  
  	if (r.shorted != 0)
  		printf("Keyboard %d and %d pin are shorted.\n",
  				r.shorted & 0x00ff, r.shorted >> 8);
  	else
  		printf("Keyboard factory test passed.\n");
  
  	return 0;
  }
  
  int cmd_panic_info(int argc, char *argv[])
  {
  	int rv;
  
  	rv = ec_command(EC_CMD_GET_PANIC_INFO, 0, NULL, 0,
  			ec_inbuf, ec_max_insize);
  	if (rv < 0)
  		return rv;
  
  	if (rv == 0) {
  		printf("No panic data.\n");
  		return 0;
  	}
  
  	return parse_panic_info((char *)(ec_inbuf), rv);
  }
  
  
  int cmd_power_info(int argc, char *argv[])
  {
  	struct ec_response_power_info_v1 r;
  	int rv;
  
  	rv = ec_command(EC_CMD_POWER_INFO, 1, NULL, 0, &r, sizeof(r));
  	if (rv < 0)
  		return rv;
  
  	printf("Power source:\t");
  	switch (r.system_power_source) {
  	case POWER_SOURCE_UNKNOWN:
  		printf("Unknown\n");
  		break;
  	case POWER_SOURCE_BATTERY:
  		printf("Battery\n");
  		break;
  	case POWER_SOURCE_AC:
  		printf("AC\n");
  		break;
  	case POWER_SOURCE_AC_BATTERY:
  		printf("AC + battery\n");
  		break;
  	}
  
  	printf("Battery state-of-charge: %d%%\n", r.battery_soc);
  	printf("Max AC power: %d Watts\n", r.ac_adapter_100pct);
  	printf("Battery 1Cd rate: %d\n", r.battery_1cd);
  	printf("RoP Avg: %d Watts\n", r.rop_avg);
  	printf("RoP Peak: %d Watts\n", r.rop_peak);
  	printf("Battery DBPT support level: %d\n",
  	       r.intel.batt_dbpt_support_level);
  	printf("Battery DBPT Max Peak Power: %d Watts\n",
  	       r.intel.batt_dbpt_max_peak_power);
  	printf("Battery DBPT Sus Peak Power: %d Watts\n",
  	       r.intel.batt_dbpt_sus_peak_power);
  	return 0;
  }
  
  
  int cmd_pse(int argc, char *argv[])
  {
  	struct ec_params_pse p;
  	struct ec_response_pse_status r;
  	int rsize = 0;
  	char *e;
  	int rv;
  
  	if (argc < 2 || argc > 3 || !strcmp(argv[1], "help")) {
  		printf("Usage: %s <port> [<subcmd>]\n", argv[0]);
  		printf("'pse <port> [status]' - Get port status\n");
  		printf("'pse <port> disable' - Disable port\n");
  		printf("'pse <port> enable' - Enable port\n");
  		return -1;
  	}
  
  	p.port = strtol(argv[1], &e, 0);
  	if (e && *e) {
  		fprintf(stderr, "Bad port.\n");
  		return -1;
  	}
  
  	if (argc == 2 || !strcmp(argv[2], "status")) {
  		p.cmd = EC_PSE_STATUS;
  		rsize = sizeof(r);
  	} else if (!strcmp(argv[2], "disable")) {
  		p.cmd = EC_PSE_DISABLE;
  	} else if (!strcmp(argv[2], "enable")) {
  		p.cmd = EC_PSE_ENABLE;
  	} else {
  		fprintf(stderr, "Unknown command: %s\n", argv[2]);
  		return -1;
  	}
  
  	rv = ec_command(EC_CMD_PSE, 0, &p, sizeof(p), &r, rsize);
  	if (rv < 0)
  		return rv;
  
  	if (p.cmd == EC_PSE_STATUS) {
  		const char *status;
  
  		switch (r.status) {
  		case EC_PSE_STATUS_DISABLED:
  			status = "disabled";
  			break;
  		case EC_PSE_STATUS_ENABLED:
  			status = "enabled";
  			break;
  		case EC_PSE_STATUS_POWERED:
  			status = "powered";
  			break;
  		default:
  			status = "unknown";
  			break;
  		}
  
  		printf("Port %d: %s\n", p.port, status);
  	}
  
  	return 0;
  }
  
  
  int cmd_pstore_info(int argc, char *argv[])
  {
  	struct ec_response_pstore_info r;
  	int rv;
  
  	rv = ec_command(EC_CMD_PSTORE_INFO, 0, NULL, 0, &r, sizeof(r));
  	if (rv < 0)
  		return rv;
  
  	printf("PstoreSize %d\nAccessSize %d\n", r.pstore_size, r.access_size);
  	return 0;
  }
  
  
  int cmd_pstore_read(int argc, char *argv[])
  {
  	struct ec_params_pstore_read p;
  	uint8_t rdata[EC_PSTORE_SIZE_MAX];
  	int offset, size;
  	int rv;
  	int i;
  	char *e;
  	char *buf;
  
  	if (argc < 4) {
  		fprintf(stderr,
  			"Usage: %s <offset> <size> <filename>\n", argv[0]);
  		return -1;
  	}
  	offset = strtol(argv[1], &e, 0);
  	if ((e && *e) || offset < 0 || offset > 0x10000) {
  		fprintf(stderr, "Bad offset.\n");
  		return -1;
  	}
  	size = strtol(argv[2], &e, 0);
  	if ((e && *e) || size <= 0 || size > 0x10000) {
  		fprintf(stderr, "Bad size.\n");
  		return -1;
  	}
  	printf("Reading %d bytes at offset %d...\n", size, offset);
  
  	buf = (char *)malloc(size);
  	if (!buf) {
  		fprintf(stderr, "Unable to allocate buffer.\n");
  		return -1;
  	}
  
  	/* Read data in chunks */
  	for (i = 0; i < size; i += EC_PSTORE_SIZE_MAX) {
  		p.offset = offset + i;
  		p.size = MIN(size - i, EC_PSTORE_SIZE_MAX);
  		rv = ec_command(EC_CMD_PSTORE_READ, 0,
  				&p, sizeof(p), rdata, sizeof(rdata));
  		if (rv < 0) {
  			fprintf(stderr, "Read error at offset %d\n", i);
  			free(buf);
  			return rv;
  		}
  		memcpy(buf + i, rdata, p.size);
  	}
  
  	rv = write_file(argv[3], buf, size);
  	free(buf);
  	if (rv)
  		return rv;
  
  	printf("done.\n");
  	return 0;
  }
  
  
  int cmd_pstore_write(int argc, char *argv[])
  {
  	struct ec_params_pstore_write p;
  	int offset, size;
  	int rv;
  	int i;
  	char *e;
  	char *buf;
  
  	if (argc < 3) {
  		fprintf(stderr, "Usage: %s <offset> <filename>\n", argv[0]);
  		return -1;
  	}
  	offset = strtol(argv[1], &e, 0);
  	if ((e && *e) || offset < 0 || offset > 0x10000) {
  		fprintf(stderr, "Bad offset.\n");
  		return -1;
  	}
  
  	/* Read the input file */
  	buf = read_file(argv[2], &size);
  	if (!buf)
  		return -1;
  
  	printf("Writing to offset %d...\n", offset);
  
  	/* Write data in chunks */
  	for (i = 0; i < size; i += EC_PSTORE_SIZE_MAX) {
  		p.offset = offset + i;
  		p.size = MIN(size - i, EC_PSTORE_SIZE_MAX);
  		memcpy(p.data, buf + i, p.size);
  		rv = ec_command(EC_CMD_PSTORE_WRITE, 0,
  				&p, sizeof(p), NULL, 0);
  		if (rv < 0) {
  			fprintf(stderr, "Write error at offset %d\n", i);
  			free(buf);
  			return rv;
  		}
  	}
  
  	free(buf);
  	printf("done.\n");
  	return 0;
  }
  
  
  int cmd_host_event_get_raw(int argc, char *argv[])
  {
  	uint32_t events = read_mapped_mem32(EC_MEMMAP_HOST_EVENTS);
  
  	if (events & EC_HOST_EVENT_MASK(EC_HOST_EVENT_INVALID)) {
  		printf("Current host events: invalid\n");
  		return -1;
  	}
  
  	printf("Current host events: 0x%08x\n", events);
  	return 0;
  }
  
  
  int cmd_host_event_get_b(int argc, char *argv[])
  {
  	struct ec_response_host_event_mask r;
  	int rv;
  
  	rv = ec_command(EC_CMD_HOST_EVENT_GET_B, 0,
  			NULL, 0, &r, sizeof(r));
  	if (rv < 0)
  		return rv;
  	if (rv < sizeof(r)) {
  		fprintf(stderr, "Insufficient data received.\n");
  		return -1;
  	}
  
  	if (r.mask & EC_HOST_EVENT_MASK(EC_HOST_EVENT_INVALID)) {
  		printf("Current host events-B: invalid\n");
  		return -1;
  	}
  
  	printf("Current host events-B: 0x%08x\n", r.mask);
  	return 0;
  }
  
  
  int cmd_host_event_get_smi_mask(int argc, char *argv[])
  {
  	struct ec_response_host_event_mask r;
  	int rv;
  
  	rv = ec_command(EC_CMD_HOST_EVENT_GET_SMI_MASK, 0,
  			NULL, 0, &r, sizeof(r));
  	if (rv < 0)
  		return rv;
  
  	printf("Current host event SMI mask: 0x%08x\n", r.mask);
  	return 0;
  }
  
  
  int cmd_host_event_get_sci_mask(int argc, char *argv[])
  {
  	struct ec_response_host_event_mask r;
  	int rv;
  
  	rv = ec_command(EC_CMD_HOST_EVENT_GET_SCI_MASK, 0,
  			NULL, 0, &r, sizeof(r));
  	if (rv < 0)
  		return rv;
  
  	printf("Current host event SCI mask: 0x%08x\n", r.mask);
  	return 0;
  }
  
  
  int cmd_host_event_get_wake_mask(int argc, char *argv[])
  {
  	struct ec_response_host_event_mask r;
  	int rv;
  
  	rv = ec_command(EC_CMD_HOST_EVENT_GET_WAKE_MASK, 0,
  			NULL, 0, &r, sizeof(r));
  	if (rv < 0)
  		return rv;
  
  	printf("Current host event wake mask: 0x%08x\n", r.mask);
  	return 0;
  }
  
  
  int cmd_host_event_set_smi_mask(int argc, char *argv[])
  {
  	struct ec_params_host_event_mask p;
  	char *e;
  	int rv;
  
  	if (argc != 2) {
  		fprintf(stderr, "Usage: %s <mask>\n", argv[0]);
  		return -1;
  	}
  	p.mask = strtol(argv[1], &e, 0);
  	if (e && *e) {
  		fprintf(stderr, "Bad mask.\n");
  		return -1;
  	}
  
  	rv = ec_command(EC_CMD_HOST_EVENT_SET_SMI_MASK, 0,
  			&p, sizeof(p), NULL, 0);
  	if (rv < 0)
  		return rv;
  
  	printf("Mask set.\n");
  	return 0;
  }
  
  
  int cmd_host_event_set_sci_mask(int argc, char *argv[])
  {
  	struct ec_params_host_event_mask p;
  	char *e;
  	int rv;
  
  	if (argc != 2) {
  		fprintf(stderr, "Usage: %s <mask>\n", argv[0]);
  		return -1;
  	}
  	p.mask = strtol(argv[1], &e, 0);
  	if (e && *e) {
  		fprintf(stderr, "Bad mask.\n");
  		return -1;
  	}
  
  	rv = ec_command(EC_CMD_HOST_EVENT_SET_SCI_MASK, 0,
  			&p, sizeof(p), NULL, 0);
  	if (rv < 0)
  		return rv;
  
  	printf("Mask set.\n");
  	return 0;
  }
  
  
  int cmd_host_event_set_wake_mask(int argc, char *argv[])
  {
  	struct ec_params_host_event_mask p;
  	char *e;
  	int rv;
  
  	if (argc != 2) {
  		fprintf(stderr, "Usage: %s <mask>\n", argv[0]);
  		return -1;
  	}
  	p.mask = strtol(argv[1], &e, 0);
  	if (e && *e) {
  		fprintf(stderr, "Bad mask.\n");
  		return -1;
  	}
  
  	rv = ec_command(EC_CMD_HOST_EVENT_SET_WAKE_MASK, 0,
  			&p, sizeof(p), NULL, 0);
  	if (rv < 0)
  		return rv;
  
  	printf("Mask set.\n");
  	return 0;
  }
  
  
  int cmd_host_event_clear(int argc, char *argv[])
  {
  	struct ec_params_host_event_mask p;
  	char *e;
  	int rv;
  
  	if (argc != 2) {
  		fprintf(stderr, "Usage: %s <mask>\n", argv[0]);
  		return -1;
  	}
  	p.mask = strtol(argv[1], &e, 0);
  	if (e && *e) {
  		fprintf(stderr, "Bad mask.\n");
  		return -1;
  	}
  
  	rv = ec_command(EC_CMD_HOST_EVENT_CLEAR, 0,
  			&p, sizeof(p), NULL, 0);
  	if (rv < 0)
  		return rv;
  
  	printf("Host events cleared.\n");
  	return 0;
  }
  
  
  int cmd_host_event_clear_b(int argc, char *argv[])
  {
  	struct ec_params_host_event_mask p;
  	char *e;
  	int rv;
  
  	if (argc != 2) {
  		fprintf(stderr, "Usage: %s <mask>\n", argv[0]);
  		return -1;
  	}
  	p.mask = strtol(argv[1], &e, 0);
  	if (e && *e) {
  		fprintf(stderr, "Bad mask.\n");
  		return -1;
  	}
  
  	rv = ec_command(EC_CMD_HOST_EVENT_CLEAR_B, 0,
  			&p, sizeof(p), NULL, 0);
  	if (rv < 0)
  		return rv;
  
  	printf("Host events-B cleared.\n");
  	return 0;
  }
  
  
  int cmd_switches(int argc, char *argv[])
  {
  	uint8_t s = read_mapped_mem8(EC_MEMMAP_SWITCHES);
  	printf("Current switches:   0x%02x\n", s);
  	printf("Lid switch:         %s\n",
  	       (s & EC_SWITCH_LID_OPEN ? "OPEN" : "CLOSED"));
  	printf("Power button:       %s\n",
  	       (s & EC_SWITCH_POWER_BUTTON_PRESSED ? "DOWN" : "UP"));
  	printf("Write protect:      %sABLED\n",
  	       (s & EC_SWITCH_WRITE_PROTECT_DISABLED ? "DIS" : "EN"));
  	printf("Dedicated recovery: %sABLED\n",
  	       (s & EC_SWITCH_DEDICATED_RECOVERY ? "EN" : "DIS"));
  
  	return 0;
  }
  
  
  int cmd_wireless(int argc, char *argv[])
  {
  	char *e;
  	int rv;
  	int now_flags;
  
  	if (argc < 2) {
  		fprintf(stderr,
  			"Usage: %s <flags> [<mask> [<susflags> <susmask>]]\n",
  			argv[0]);
  		fprintf(stderr, "  0x1 = WLAN radio\n"
  				"  0x2 = Bluetooth radio\n"
  				"  0x4 = WWAN power\n"
  				"  0x8 = WLAN power\n");
  		return -1;
  	}
  
  	now_flags = strtol(argv[1], &e, 0);
  	if (e && *e) {
  		fprintf(stderr, "Bad flags.\n");
  		return -1;
  	}
  
  	if (argc < 3) {
  		/* Old-style - current flags only */
  		struct ec_params_switch_enable_wireless_v0 p;
  
  		p.enabled = now_flags;
  		rv = ec_command(EC_CMD_SWITCH_ENABLE_WIRELESS, 0,
  				&p, sizeof(p), NULL, 0);
  		if (rv < 0)
  			return rv;
  
  		printf("Success.\n");
  	} else {
  		/* New-style - masks and suspend flags */
  		struct ec_params_switch_enable_wireless_v1 p;
  		struct ec_response_switch_enable_wireless_v1 r;
  
  		memset(&p, 0, sizeof(p));
  
  		p.now_flags = now_flags;
  
  		p.now_mask = strtol(argv[2], &e, 0);
  		if (e && *e) {
  			fprintf(stderr, "Bad mask.\n");
  			return -1;
  		}
  
  		if (argc > 4) {
  			p.suspend_flags = strtol(argv[3], &e, 0);
  			if (e && *e) {
  				fprintf(stderr, "Bad suspend flags.\n");
  				return -1;
  			}
  
  			p.suspend_mask = strtol(argv[4], &e, 0);
  			if (e && *e) {
  				fprintf(stderr, "Bad suspend mask.\n");
  				return -1;
  			}
  		}
  
  		rv = ec_command(EC_CMD_SWITCH_ENABLE_WIRELESS,
  				EC_VER_SWITCH_ENABLE_WIRELESS,
  				&p, sizeof(p), &r, sizeof(r));
  		if (rv < 0)
  			return rv;
  
  		printf("Now=0x%x, suspend=0x%x\n",
  		       r.now_flags, r.suspend_flags);
  	}
  
  	return 0;
  }
  
  
  static void cmd_locate_chip_help(const char *const cmd)
  {
  	fprintf(stderr,
  		"Usage: %s <type> <index>\n"
  		"  <type> is one of:\n"
  		"    0: CBI_EEPROM\n"
  		"    1: TCPCs\n"
  		"  <index> instance # of <type>\n",
  		cmd);
  }
  
  static const char *bus_type[] = {
  	"I2C",
  	"EMBEDDED"
  };
  
  int cmd_locate_chip(int argc, char *argv[])
  {
  	struct ec_params_locate_chip p;
  	struct ec_response_locate_chip r = {0};
  	char *e;
  	int rv;
  
  	if (argc != 3) {
  		cmd_locate_chip_help(argv[0]);
  		return -1;
  	}
  
  	p.type = strtol(argv[1], &e, 0);
  	if (e && *e) {
  		fprintf(stderr, "Bad type.\n");
  		cmd_locate_chip_help(argv[0]);
  		return -1;
  	}
  
  	p.index = strtol(argv[2], &e, 0);
  	if (e && *e) {
  		fprintf(stderr, "Bad index.\n");
  		cmd_locate_chip_help(argv[0]);
  		return -1;
  	}
  
  	rv = ec_command(EC_CMD_LOCATE_CHIP, 0, &p, sizeof(p), &r, sizeof(r));
  
  	if (rv == -EC_RES_INVALID_PARAM - EECRESULT) {
  		fprintf(stderr, "Bus type %d not supported.\n", p.type);
  		return rv;
  	}
  
  	if (rv == -EC_RES_UNAVAILABLE - EECRESULT) {
  		fprintf(stderr, "Chip not found\n");
  		return rv;
  	}
  
  	if (rv == -EC_RES_OVERFLOW - EECRESULT) {
  		fprintf(stderr, "Index too large\n");
  		return rv;
  	}
  
  	if (rv < 0)
  		return rv;
  
  	if (r.bus_type >= EC_BUS_TYPE_COUNT
  			|| r.bus_type >= ARRAY_SIZE(bus_type)) {
  		fprintf(stderr, "Unknown bus type (%d)\n", r.bus_type);
  		return -1;
  	}
  
  	/*
  	 * When changing the format of this print, make sure FAFT
  	 * (firmware_ECCbiEeprom) still passes. It may silently skip the test.
  	 */
  	printf("Bus: %s; Port: %d; Address: 0x%02x (7-bit format)\n",
  	       bus_type[r.bus_type], r.i2c_info.port,
  	       I2C_STRIP_FLAGS(r.i2c_info.addr_flags));
  
  	return 0;
  }
  
  int cmd_lcd_backlight(int argc, char *argv[])
  {
  	struct ec_params_switch_enable_backlight p;
  	char *e;
  	int rv;
  
  	if (argc != 2) {
  		fprintf(stderr, "Usage: %s <0|1>\n", argv[0]);
  		return -1;
  	}
  	p.enabled = strtol(argv[1], &e, 0);
  	if (e && *e) {
  		fprintf(stderr, "Bad value.\n");
  		return -1;
  	}
  
  	rv = ec_command(EC_CMD_SWITCH_ENABLE_BKLIGHT, 0,
  			&p, sizeof(p), NULL, 0);
  	if (rv < 0)
  		return rv;
  
  	printf("Success.\n");
  	return 0;
  }
  
  static void cmd_basestate_help(void)
  {
  	fprintf(stderr,
  		"Usage: ectool basestate [attach | detach | reset]\n");
  }
  
  int cmd_basestate(int argc, char *argv[])
  {
  	struct ec_params_set_base_state p;
  
  	if (argc != 2) {
  		cmd_basestate_help();
  		return -1;
  	}
  
  	if (!strncmp(argv[1], "attach", 6)) {
  		p.cmd = EC_SET_BASE_STATE_ATTACH;
  	} else if (!strncmp(argv[1], "detach", 6)) {
  		p.cmd = EC_SET_BASE_STATE_DETACH;
  	} else if (!strncmp(argv[1], "reset", 5)) {
  		p.cmd = EC_SET_BASE_STATE_RESET;
  	} else {
  		cmd_basestate_help();
  		return -1;
  	}
  
  	return ec_command(EC_CMD_SET_BASE_STATE, 0,
  			  &p, sizeof(p), NULL, 0);
  }
  
  int cmd_ext_power_limit(int argc, char *argv[])
  {
  	/* Version 1 is used, no support for obsolete version 0 */
  	struct ec_params_external_power_limit_v1 p;
  	char *e;
  
  	if (argc != 3) {
  		fprintf(stderr,
  			"Usage: %s <max_current_mA> <max_voltage_mV>\n",
  			argv[0]);
  		return -1;
  	}
  
  	p.current_lim = strtol(argv[1], &e, 0);
  	if (e && *e) {
  		fprintf(stderr, "Bad param1.\n");
  		return -1;
  	}
  
  	p.voltage_lim = strtol(argv[2], &e, 0);
  	if (e && *e) {
  		fprintf(stderr, "Bad param2.\n");
  		return -1;
  	}
  
  	/* Send version 1 of command */
  	return ec_command(EC_CMD_EXTERNAL_POWER_LIMIT, 1, &p, sizeof(p),
  			  NULL, 0);
  }
  
  
  int cmd_charge_current_limit(int argc, char *argv[])
  {
  	struct ec_params_current_limit p;
  	int rv;
  	char *e;
  
  	if (argc != 2) {
  		fprintf(stderr, "Usage: %s <max_current_mA>\n", argv[0]);
  		return -1;
  	}
  
  	p.limit = strtol(argv[1], &e, 0);
  	if (e && *e) {
  		fprintf(stderr, "Bad value.\n");
  		return -1;
  	}
  
  	rv = ec_command(EC_CMD_CHARGE_CURRENT_LIMIT, 0, &p, sizeof(p),
  			NULL, 0);
  	return rv;
  }
  
  static void cmd_charge_control_help(const char *cmd, const char *msg)
  {
  	if (msg)
  		fprintf(stderr, "ERROR: %s\n", msg);
  
  	fprintf(stderr,
  	"\n"
  	"  Usage: %s\n"
  	"    Get current settings.\n"
  	"  Usage: %s normal|idle|discharge\n"
  	"    Set charge mode (and disable battery sustainer).\n"
  	"  Usage: %s normal <lower> <upper>\n"
  	"    Enable battery sustainer. <lower> and <upper> are battery SoC\n"
  	"    between which EC tries to keep the battery level.\n"
  	"\n",
  	cmd, cmd, cmd);
  }
  
  int cmd_charge_control(int argc, char *argv[])
  {
  	struct ec_params_charge_control p;
  	struct ec_response_charge_control r;
  	int version = 2;
  	const char * const charge_mode_text[] = EC_CHARGE_MODE_TEXT;
  	char *e;
  	int rv;
  
  	if (!ec_cmd_version_supported(EC_CMD_CHARGE_CONTROL, 2))
  		version = 1;
  
  	if (argc == 1) {
  		if (version < 2) {
  			cmd_charge_control_help(argv[0],
  						"Old EC doesn't support GET.");
  			return -1;
  		}
  		p.cmd = EC_CHARGE_CONTROL_CMD_GET;
  		rv = ec_command(EC_CMD_CHARGE_CONTROL, version,
  				&p, sizeof(p), &r, sizeof(r));
  		if (rv < 0) {
  			fprintf(stderr, "Command failed.\n");
  			return rv;
  		}
  		printf("Charge mode = %s (%d)\n",
  		       r.mode < ARRAY_SIZE(charge_mode_text)
  		       		? charge_mode_text[r.mode] : "UNDEFINED",
  		       r.mode);
  		printf("Battery sustainer = %s (%d%% ~ %d%%)\n",
  		       (r.sustain_soc.lower != -1 && r.sustain_soc.upper != -1)
  				? "on" : "off",
  		       r.sustain_soc.lower, r.sustain_soc.upper);
  		return 0;
  	}
  
  	p.cmd = EC_CHARGE_CONTROL_CMD_SET;
  	if (!strcasecmp(argv[1], "normal")) {
  		p.mode = CHARGE_CONTROL_NORMAL;
  		if (argc == 2) {
  			p.sustain_soc.lower = -1;
  			p.sustain_soc.upper = -1;
  		} else if (argc == 4) {
  			if (version < 2) {
  				cmd_charge_control_help(argv[0],
  					"Old EC doesn't support sustainer.");
  				return -1;
  			}
  			p.sustain_soc.lower = strtol(argv[2], &e, 0);
  			if (e && *e) {
  				cmd_charge_control_help(argv[0],
  						"Bad character in <lower>");
  				return -1;
  			}
  			p.sustain_soc.upper = strtol(argv[3], &e, 0);
  			if (e && *e) {
  				cmd_charge_control_help(argv[0],
  						"Bad character in <upper>");
  				return -1;
  			}
  		} else {
  			cmd_charge_control_help(argv[0], "Bad arguments");
  			return -1;
  		}
  	} else if (!strcasecmp(argv[1], "idle")) {
  		if (argc != 2) {
  			cmd_charge_control_help(argv[0], "Bad arguments");
  			return -1;
  		}
  		p.mode = CHARGE_CONTROL_IDLE;
  	} else if (!strcasecmp(argv[1], "discharge")) {
  		if (argc != 2) {
  			cmd_charge_control_help(argv[0], "Bad arguments");
  			return -1;
  		}
  		p.mode = CHARGE_CONTROL_DISCHARGE;
  	} else {
  		cmd_charge_control_help(argv[0], "Bad sub-command");
  		return -1;
  	}
  
  	rv = ec_command(EC_CMD_CHARGE_CONTROL, version, &p, sizeof(p), NULL, 0);
  	if (rv < 0) {
  		fprintf(stderr, "Is AC connected?\n");
  		return rv;
  	}
  
  	switch (p.mode) {
  	case CHARGE_CONTROL_NORMAL:
  		printf("Charge state machine is in normal mode%s.\n",
  		       (p.sustain_soc.lower == -1 || p.sustain_soc.upper == -1)
  		       		? "" : " with sustainer enabled");
  		break;
  	case CHARGE_CONTROL_IDLE:
  		printf("Charge state machine force idle.\n");
  		break;
  	case CHARGE_CONTROL_DISCHARGE:
  		printf("Charge state machine force discharge.\n");
  		break;
  	default:
  		break;
  	}
  	return 0;
  }
  
  
  #define ST_CMD_SIZE ST_FLD_SIZE(ec_params_charge_state, cmd)
  #define ST_PRM_SIZE(SUBCMD) \
  	(ST_CMD_SIZE + ST_FLD_SIZE(ec_params_charge_state, SUBCMD))
  #define ST_RSP_SIZE(SUBCMD) ST_FLD_SIZE(ec_response_charge_state, SUBCMD)
  
  /* Table of subcommand sizes for EC_CMD_CHARGE_STATE */
  static const struct {
  	uint8_t to_ec_size;
  	uint8_t from_ec_size;
  } cs_paramcount[] = {
  	/* Order must match enum charge_state_command */
  	{ ST_CMD_SIZE, ST_RSP_SIZE(get_state) },
  	{ ST_PRM_SIZE(get_param), ST_RSP_SIZE(get_param) },
  	{ ST_PRM_SIZE(set_param), 0},
  };
  BUILD_ASSERT(ARRAY_SIZE(cs_paramcount) == CHARGE_STATE_NUM_CMDS);
  
  #undef ST_CMD_SIZE
  #undef ST_PRM_SIZE
  #undef ST_RSP_SIZE
  
  static int cs_do_cmd(struct ec_params_charge_state *to_ec,
  		     struct ec_response_charge_state *from_ec)
  {
  	int rv;
  	int cmd = to_ec->cmd;
  
  	rv = ec_command(EC_CMD_CHARGE_STATE, 0,
  			to_ec, cs_paramcount[cmd].to_ec_size,
  			from_ec, cs_paramcount[cmd].from_ec_size);
  
  	return (rv < 0 ? 1 : 0);
  }
  
  static const char * const base_params[] = {
  	"chg_voltage",
  	"chg_current",
  	"chg_input_current",
  	"chg_status",
  	"chg_option",
  	"limit_power",
  };
  BUILD_ASSERT(ARRAY_SIZE(base_params) == CS_NUM_BASE_PARAMS);
  
  static int cmd_charge_state(int argc, char **argv)
  {
  	struct ec_params_charge_state param;
  	struct ec_response_charge_state resp;
  	uint32_t p, v;
  	int i, r;
  	char *e;
  
  	if (argc > 1 && !strcasecmp(argv[1], "show")) {
  		param.cmd = CHARGE_STATE_CMD_GET_STATE;
  		r = cs_do_cmd(&param, &resp);
  		if (r)
  			return r;
  		printf("ac = %d\n", resp.get_state.ac);
  		printf("chg_voltage = %dmV\n", resp.get_state.chg_voltage);
  		printf("chg_current = %dmA\n", resp.get_state.chg_current);
  		printf("chg_input_current = %dmA\n",
  		       resp.get_state.chg_input_current);
  		printf("batt_state_of_charge = %d%%\n",
  		       resp.get_state.batt_state_of_charge);
  		return 0;
  	}
  
  	if (argc > 1 && !strcasecmp(argv[1], "param")) {
  		switch (argc) {
  		case 3:
  			if (!strcasecmp(argv[2], "help"))
  				break;
  			param.cmd = CHARGE_STATE_CMD_GET_PARAM;
  			p = strtoull(argv[2], &e, 0);
  			if (e && *e) {
  				fprintf(stderr, "Bad param: %s\n", argv[2]);
  				return -1;
  			}
  			param.get_param.param = p;
  			r = cs_do_cmd(&param, &resp);
  			if (r)
  				return r;
  			v = resp.get_param.value;
  			if (p < CS_NUM_BASE_PARAMS)
  				printf("%d (0x%x)       # %s\n", v, v,
  				       base_params[p]);
  			else
  				printf("%d (0x%x)\n", v, v);
  			return 0;
  		case 4:
  			param.cmd = CHARGE_STATE_CMD_SET_PARAM;
  			p = strtoull(argv[2], &e, 0);
  			if (e && *e) {
  				fprintf(stderr, "Bad param: %s\n", argv[2]);
  				return -1;
  			}
  			v = strtoull(argv[3], &e, 0);
  			if (e && *e) {
  				fprintf(stderr, "Bad value: %s\n", argv[3]);
  				return -1;
  			}
  			param.set_param.param = p;
  			param.set_param.value = v;
  			return cs_do_cmd(&param, &resp);
  		}
  
  		printf("base params:\n");
  		for (i = 0; i < CS_NUM_BASE_PARAMS; i++)
  			printf("  %d   %s\n", i, base_params[i]);
  		printf("custom profile params:\n");
  		printf("  0x%x - 0x%x\n", CS_PARAM_CUSTOM_PROFILE_MIN,
  		       CS_PARAM_CUSTOM_PROFILE_MAX);
  
  		return 0;
  	}
  
  	printf("Usage:\n");
  	printf("  %s show                  - show current state\n", argv[0]);
  	printf("  %s param NUM [VALUE]     - get/set param NUM\n", argv[0]);
  	printf("  %s param help            - show known param NUMs\n", argv[0]);
  	return 0;
  }
  
  int cmd_gpio_get(int argc, char *argv[])
  {
  	struct ec_params_gpio_get_v1 p_v1;
  	struct ec_response_gpio_get_v1 r_v1;
  	int i, rv, subcmd, num_gpios;
  	int cmdver = 1;
  
  	if (!ec_cmd_version_supported(EC_CMD_GPIO_GET, cmdver)) {
  		struct ec_params_gpio_get p;
  		struct ec_response_gpio_get r;
  
  		/* Fall back to version 0 command */
  		cmdver = 0;
  		if (argc != 2) {
  			fprintf(stderr, "Usage: %s <GPIO name>\n", argv[0]);
  			return -1;
  		}
  
  		if (strlen(argv[1]) + 1 > sizeof(p.name)) {
  			fprintf(stderr, "GPIO name too long.\n");
  			return -1;
  		}
  		strcpy(p.name, argv[1]);
  
  		rv = ec_command(EC_CMD_GPIO_GET, cmdver, &p,
  				sizeof(p), &r, sizeof(r));
  		if (rv < 0)
  			return rv;
  
  		printf("GPIO %s = %d\n", p.name, r.val);
  		return 0;
  	}
  
  	if (argc > 2 || (argc == 2 && !strcmp(argv[1], "help"))) {
  		printf("Usage: %s [<subcmd> <GPIO name>]\n", argv[0]);
  		printf("'gpioget <GPIO_NAME>' - Get value by name\n");
  		printf("'gpioget count' - Get count of GPIOS\n");
  		printf("'gpioget all' - Get info for all GPIOs\n");
  		return -1;
  	}
  
  	/* Keeping it consistent with console command behavior */
  	if (argc == 1)
  		subcmd = EC_GPIO_GET_INFO;
  	else if (!strcmp(argv[1], "count"))
  		subcmd = EC_GPIO_GET_COUNT;
  	else if (!strcmp(argv[1], "all"))
  		subcmd = EC_GPIO_GET_INFO;
  	else
  		subcmd = EC_GPIO_GET_BY_NAME;
  
  	if (subcmd == EC_GPIO_GET_BY_NAME) {
  		p_v1.subcmd = EC_GPIO_GET_BY_NAME;
  		if (strlen(argv[1]) + 1 > sizeof(p_v1.get_value_by_name.name)) {
  			fprintf(stderr, "GPIO name too long.\n");
  			return -1;
  		}
  		strcpy(p_v1.get_value_by_name.name, argv[1]);
  
  		rv = ec_command(EC_CMD_GPIO_GET, cmdver, &p_v1,
  				sizeof(p_v1), &r_v1, sizeof(r_v1));
  
  		if (rv < 0)
  			return rv;
  
  		printf("GPIO %s = %d\n", p_v1.get_value_by_name.name,
  			r_v1.get_value_by_name.val);
  		return 0;
  	}
  
  	/* Need GPIO count for EC_GPIO_GET_COUNT or EC_GPIO_GET_INFO */
  	p_v1.subcmd = EC_GPIO_GET_COUNT;
  	rv = ec_command(EC_CMD_GPIO_GET, cmdver, &p_v1,
  			sizeof(p_v1), &r_v1, sizeof(r_v1));
  	if (rv < 0)
  		return rv;
  
  	if (subcmd == EC_GPIO_GET_COUNT) {
  		printf("GPIO COUNT = %d\n", r_v1.get_count.val);
  		return 0;
  	}
  
  	/* subcmd EC_GPIO_GET_INFO */
  	num_gpios = r_v1.get_count.val;
  	p_v1.subcmd = EC_GPIO_GET_INFO;
  
  	for (i = 0; i < num_gpios; i++) {
  		p_v1.get_info.index = i;
  
  		rv = ec_command(EC_CMD_GPIO_GET, cmdver, &p_v1,
  				sizeof(p_v1), &r_v1, sizeof(r_v1));
  		if (rv < 0)
  			return rv;
  
  		printf("%2d %-32s 0x%04X\n", r_v1.get_info.val,
  			r_v1.get_info.name, r_v1.get_info.flags);
  	}
  
  	return 0;
  }
  
  
  int cmd_gpio_set(int argc, char *argv[])
  {
  	struct ec_params_gpio_set p;
  	char *e;
  	int rv;
  
  	if (argc != 3) {
  		fprintf(stderr, "Usage: %s <GPIO name> <0 | 1>\n", argv[0]);
  		return -1;
  	}
  
  	if (strlen(argv[1]) + 1 > sizeof(p.name)) {
  		fprintf(stderr, "GPIO name too long.\n");
  		return -1;
  	}
  	strcpy(p.name, argv[1]);
  
  	p.val = strtol(argv[2], &e, 0);
  	if (e && *e) {
  		fprintf(stderr, "Bad value.\n");
  		return -1;
  	}
  
  	rv = ec_command(EC_CMD_GPIO_SET, 0, &p, sizeof(p), NULL, 0);
  	if (rv < 0)
  		return rv;
  
  	printf("GPIO %s set to %d\n", p.name, p.val);
  	return 0;
  }
  
  void print_battery_flags(int flags)
  {
  	printf("  Flags                   0x%02x", flags);
  	if (flags & EC_BATT_FLAG_AC_PRESENT)
  		printf(" AC_PRESENT");
  	if (flags & EC_BATT_FLAG_BATT_PRESENT)
  		printf(" BATT_PRESENT");
  	if (flags & EC_BATT_FLAG_DISCHARGING)
  		printf(" DISCHARGING");
  	if (flags & EC_BATT_FLAG_CHARGING)
  		printf(" CHARGING");
  	if (flags & EC_BATT_FLAG_LEVEL_CRITICAL)
  		printf(" LEVEL_CRITICAL");
  	printf("\n");
  }
  
  int get_battery_command(int index)
  {
  	struct ec_params_battery_static_info static_p;
  	struct ec_response_battery_static_info_v1 static_r;
  	struct ec_params_battery_dynamic_info dynamic_p;
  	struct ec_response_battery_dynamic_info dynamic_r;
  	int rv;
  
  	printf("Battery %d info:\n", index);
  
  	static_p.index = index;
  	rv = ec_command(EC_CMD_BATTERY_GET_STATIC, 1,
  			&static_p, sizeof(static_p),
  			&static_r, sizeof(static_r));
  	if (rv < 0)
  		return -1;
  
  	dynamic_p.index = index;
  	rv = ec_command(EC_CMD_BATTERY_GET_DYNAMIC, 0,
  			&dynamic_p, sizeof(dynamic_p),
  			&dynamic_r, sizeof(dynamic_r));
  	if (rv < 0)
  		return -1;
  
  	if (dynamic_r.flags & EC_BATT_FLAG_INVALID_DATA) {
  		printf("  Invalid data (not present?)\n");
  		return -1;
  	}
  
  	if (!is_string_printable(static_r.manufacturer_ext))
  		goto cmd_error;
  	printf("  OEM name:               %s\n", static_r.manufacturer_ext);
  
  	if (!is_string_printable(static_r.model_ext))
  		goto cmd_error;
  	printf("  Model number:           %s\n", static_r.model_ext);
  
  	if (!is_string_printable(static_r.type_ext))
  		goto cmd_error;
  	printf("  Chemistry   :           %s\n", static_r.type_ext);
  
  	if (!is_string_printable(static_r.serial_ext))
  		goto cmd_error;
  	printf("  Serial number:          %s\n", static_r.serial_ext);
  
  	if (!is_battery_range(static_r.design_capacity))
  		goto cmd_error;
  	printf("  Design capacity:        %u mAh\n", static_r.design_capacity);
  
  	if (!is_battery_range(dynamic_r.full_capacity))
  		goto cmd_error;
  	printf("  Last full charge:       %u mAh\n", dynamic_r.full_capacity);
  
  	if (!is_battery_range(static_r.design_voltage))
  		goto cmd_error;
  	printf("  Design output voltage   %u mV\n", static_r.design_voltage);
  
  	if (!is_battery_range(static_r.cycle_count))
  		goto cmd_error;
  	printf("  Cycle count             %u\n", static_r.cycle_count);
  
  	if (!is_battery_range(dynamic_r.actual_voltage))
  		goto cmd_error;
  	printf("  Present voltage         %u mV\n", dynamic_r.actual_voltage);
  
  	/* current can be negative */
  	printf("  Present current         %d mA\n", dynamic_r.actual_current);
  
  	if (!is_battery_range(dynamic_r.remaining_capacity))
  		goto cmd_error;
  	printf("  Remaining capacity      %u mAh\n",
  						dynamic_r.remaining_capacity);
  
  	if (!is_battery_range(dynamic_r.desired_voltage))
  		goto cmd_error;
  	printf("  Desired voltage         %u mV\n", dynamic_r.desired_voltage);
  
  	if (!is_battery_range(dynamic_r.desired_current))
  		goto cmd_error;
  	printf("  Desired current         %u mA\n", dynamic_r.desired_current);
  
  	print_battery_flags(dynamic_r.flags);
  	return 0;
  
  cmd_error:
  	fprintf(stderr, "Bad battery info value.\n");
  	return -1;
  }
  
  int cmd_battery(int argc, char *argv[])
  {
  	char batt_text[EC_MEMMAP_TEXT_MAX];
  	int rv, val;
  	char *e;
  	int index = 0;
  
  	if (argc > 2) {
  		fprintf(stderr, "Usage: %s [index]\n", argv[0]);
  		return -1;
  	} else if (argc == 2) {
  		index = strtol(argv[1], &e, 0);
  		if (e && *e) {
  			fprintf(stderr, "Bad battery index.\n");
  			return -1;
  		}
  	}
  
  	/*
  	 * Read non-primary batteries through hostcmd, and all batteries
  	 * if longer strings are supported for static info.
  	 */
  	if (index > 0 ||
  	    ec_cmd_version_supported(EC_CMD_BATTERY_GET_STATIC, 1))
  		return get_battery_command(index);
  
  	val = read_mapped_mem8(EC_MEMMAP_BATTERY_VERSION);
  	if (val < 1) {
  		fprintf(stderr, "Battery version %d is not supported\n", val);
  		return -1;
  	}
  
  	printf("Battery info:\n");
  
  	rv = read_mapped_string(EC_MEMMAP_BATT_MFGR, batt_text,
  			sizeof(batt_text));
  	if (rv < 0 || !is_string_printable(batt_text))
  		goto cmd_error;
  	printf("  OEM name:               %s\n", batt_text);
  
  	rv = read_mapped_string(EC_MEMMAP_BATT_MODEL, batt_text,
  			sizeof(batt_text));
  	if (rv < 0 || !is_string_printable(batt_text))
  		goto cmd_error;
  	printf("  Model number:           %s\n", batt_text);
  
  	rv = read_mapped_string(EC_MEMMAP_BATT_TYPE, batt_text,
  			sizeof(batt_text));
  	if (rv < 0 || !is_string_printable(batt_text))
  		goto cmd_error;
  	printf("  Chemistry   :           %s\n", batt_text);
  
  	rv = read_mapped_string(EC_MEMMAP_BATT_SERIAL, batt_text,
  			sizeof(batt_text));
  	printf("  Serial number:          %s\n", batt_text);
  
  	val = read_mapped_mem32(EC_MEMMAP_BATT_DCAP);
  	if (!is_battery_range(val))
  		goto cmd_error;
  	printf("  Design capacity:        %u mAh\n", val);
  
  	val = read_mapped_mem32(EC_MEMMAP_BATT_LFCC);
  	if (!is_battery_range(val))
  		goto cmd_error;
  	printf("  Last full charge:       %u mAh\n", val);
  
  	val = read_mapped_mem32(EC_MEMMAP_BATT_DVLT);
  	if (!is_battery_range(val))
  		goto cmd_error;
  	printf("  Design output voltage   %u mV\n", val);
  
  	val = read_mapped_mem32(EC_MEMMAP_BATT_CCNT);
  	if (!is_battery_range(val))
  		goto cmd_error;
  	printf("  Cycle count             %u\n", val);
  
  	val = read_mapped_mem32(EC_MEMMAP_BATT_VOLT);
  	if (!is_battery_range(val))
  		goto cmd_error;
  	printf("  Present voltage         %u mV\n", val);
  
  	val = read_mapped_mem32(EC_MEMMAP_BATT_RATE);
  	if (!is_battery_range(val))
  		goto cmd_error;
  	printf("  Present current         %u mA\n", val);
  
  	val = read_mapped_mem32(EC_MEMMAP_BATT_CAP);
  	if (!is_battery_range(val))
  		goto cmd_error;
  	printf("  Remaining capacity      %u mAh\n", val);
  
  	val = read_mapped_mem8(EC_MEMMAP_BATT_FLAG);
  	print_battery_flags(val);
  
  	return 0;
  cmd_error:
  	fprintf(stderr, "Bad battery info value. Check protocol version.\n");
  	return -1;
  }
  
  int cmd_battery_cut_off(int argc, char *argv[])
  {
  	struct ec_params_battery_cutoff p;
  	int cmd_version;
  	int rv;
  
  	memset(&p, 0, sizeof(p));
  	if (ec_cmd_version_supported(EC_CMD_BATTERY_CUT_OFF, 1)) {
  		cmd_version = 1;
  		if (argc > 1) {
  			if (!strcasecmp(argv[1], "at-shutdown")) {
  				p.flags = EC_BATTERY_CUTOFF_FLAG_AT_SHUTDOWN;
  			} else {
  				fprintf(stderr, "Bad parameter: %s\n", argv[1]);
  				return -1;
  			}
  		}
  	} else {
  		/* Fall back to version 0 command */
  		cmd_version = 0;
  		if (argc > 1) {
  			if (!strcasecmp(argv[1], "at-shutdown")) {
  				fprintf(stderr, "Explicit 'at-shutdown' ");
  				fprintf(stderr, "parameter not supported.\n");
  			} else {
  				fprintf(stderr, "Bad parameter: %s\n", argv[1]);
  			}
  			return -1;
  		}
  	}
  
  	rv = ec_command(EC_CMD_BATTERY_CUT_OFF, cmd_version, &p, sizeof(p),
  			NULL, 0);
  	rv = (rv < 0 ? rv : 0);
  
  	if (rv < 0) {
  		fprintf(stderr, "Failed to cut off battery, rv=%d\n", rv);
  		fprintf(stderr, "It is expected if the rv is -%d "
  				"(EC_RES_INVALID_COMMAND) if the battery "
  				"doesn't support cut-off function.\n",
  				EC_RES_INVALID_COMMAND);
  	} else {
  		printf("\n");
  		printf("SUCCESS. The battery has arranged a cut-off.\n");
  
  		if (cmd_version == 1 &&
  		    (p.flags & EC_BATTERY_CUTOFF_FLAG_AT_SHUTDOWN))
  			printf("The battery will be cut off after shutdown.\n");
  		else
  			printf("The system should be shutdown immediately.\n");
  
  		printf("\n");
  	}
  	return rv;
  }
  
  int cmd_battery_vendor_param(int argc, char *argv[])
  {
  	struct ec_params_battery_vendor_param p;
  	struct ec_response_battery_vendor_param r;
  	char *e;
  	int rv;
  
  	if (argc < 3)
  		goto cmd_battery_vendor_param_usage;
  
  	if (!strcasecmp(argv[1], "get"))
  		p.mode = BATTERY_VENDOR_PARAM_MODE_GET;
  	else if (!strcasecmp(argv[1], "set"))
  		p.mode = BATTERY_VENDOR_PARAM_MODE_SET;
  	else
  		goto cmd_battery_vendor_param_usage;
  
  	p.param = strtol(argv[2], &e, 0);
  	if (e && *e) {
  		fprintf(stderr, "Invalid param.\n");
  		goto cmd_battery_vendor_param_usage;
  	}
  
  	if (p.mode == BATTERY_VENDOR_PARAM_MODE_SET) {
  		if (argc != 4) {
  			fprintf(stderr, "Missing value.\n");
  			goto cmd_battery_vendor_param_usage;
  		}
  
  		p.value = strtol(argv[3], &e, 0);
  		if (e && *e) {
  			fprintf(stderr, "Invalid value.\n");
  			goto cmd_battery_vendor_param_usage;
  		}
  	}
  
  	rv = ec_command(EC_CMD_BATTERY_VENDOR_PARAM, 0, &p, sizeof(p),
  			&r, sizeof(r));
  
  	if (rv < 0)
  		return rv;
  
  	printf("0x%08x\n", r.value);
  
  	return 0;
  
  cmd_battery_vendor_param_usage:
  	fprintf(stderr,
  		"Usage:\t %s get <param>\n"
  		"\t %s set <param> <value>\n",
  		argv[0], argv[0]);
  	return -1;
  }
  
  int cmd_board_version(int argc, char *argv[])
  {
  	struct ec_response_board_version response;
  	int rv;
  
  	rv = ec_command(EC_CMD_GET_BOARD_VERSION, 0, NULL, 0, &response,
  			sizeof(response));
  	if (rv < 0)
  		return rv;
  
  	printf("%d\n", response.board_version);
  	return rv;
  }
  
  static void cmd_cbi_help(char *cmd)
  {
  	fprintf(stderr,
  	"  Usage: %s get <tag> [get_flag]\n"
  	"  Usage: %s set <tag> <value/string> <size> [set_flag]\n"
  	"  Usage: %s remove <tag> [set_flag]\n"
  	"    <tag> is one of:\n"
  	"      0: BOARD_VERSION\n"
  	"      1: OEM_ID\n"
  	"      2: SKU_ID\n"
  	"      3: DRAM_PART_NUM (string)\n"
  	"      4: OEM_NAME (string)\n"
  	"      5: MODEL_ID\n"
  	"      6: FW_CONFIG\n"
  	"      7: PCB_VENDOR\n"
  	"      8: SSFC\n"
  	"      9: REWORK_ID\n"
  	"    <size> is the size of the data in byte. It should be zero for\n"
  	"      string types.\n"
  	"    <value/string> is an integer or a string to be set\n"
  	"    [get_flag] is combination of:\n"
  	"      01b: Invalidate cache and reload data from EEPROM\n"
  	"    [set_flag] is combination of:\n"
  	"      01b: Skip write to EEPROM. Use for back-to-back writes\n"
  	"      10b: Set all fields to defaults first\n", cmd, cmd, cmd);
  }
  
  static int cmd_cbi_is_string_field(enum cbi_data_tag tag)
  {
  	return tag == CBI_TAG_DRAM_PART_NUM || tag == CBI_TAG_OEM_NAME;
  }
  
  /*
   * Write value to CBI
   *
   * TODO: Support asynchronous write
   */
  static int cmd_cbi(int argc, char *argv[])
  {
  	enum cbi_data_tag tag;
  	char *e;
  	int rv;
  
  	if (argc < 3) {
  		fprintf(stderr, "Invalid number of params\n");
  		cmd_cbi_help(argv[0]);
  		return -1;
  	}
  
  	/* Tag */
  	tag = (enum cbi_data_tag)(strtol(argv[2], &e, 0));
  	if (e && *e) {
  		fprintf(stderr, "Bad tag\n");
  		return -1;
  	}
  
  	if (!strcasecmp(argv[1], "get")) {
  		struct ec_params_get_cbi p = { 0 };
  		int i;
  
  		p.tag = tag;
  		if (argc > 3) {
  			p.flag = strtol(argv[3], &e, 0);
  			if (e && *e) {
  				fprintf(stderr, "Bad flag\n");
  				return -1;
  			}
  		}
  		rv = ec_command(EC_CMD_GET_CROS_BOARD_INFO, 0, &p, sizeof(p),
  				ec_inbuf, ec_max_insize);
  		if (rv < 0) {
  			fprintf(stderr, "Error code: %d\n", rv);
  			return rv;
  		}
  		if (rv < sizeof(uint8_t)) {
  			fprintf(stderr, "Invalid size: %d\n", rv);
  			return -1;
  		}
  		if (cmd_cbi_is_string_field(tag)) {
  			printf("%.*s", rv, (const char *)ec_inbuf);
  		} else {
  			const uint8_t * const buffer =
  				(const uint8_t *const)(ec_inbuf);
  			uint64_t int_value = 0;
                          for(i = 0; i < rv; i++)
  				int_value |= (uint64_t)buffer[i] << (i * 8);
  
                          printf("As uint: %llu (0x%llx)\n",
  				(unsigned long long)int_value,
                                  (unsigned long long)int_value);
  			printf("As binary:");
  			for (i = 0; i < rv; i++) {
  				if (i % 32 == 31)
  					printf("\n");
  				printf(" %02x", buffer[i]);
  			}
  		}
  		printf("\n");
  		return 0;
  	} else if (!strcasecmp(argv[1], "set")) {
  		struct ec_params_set_cbi *p =
  				(struct ec_params_set_cbi *)ec_outbuf;
  		void *val_ptr;
  		uint64_t val = 0;
  		uint8_t size;
  		uint8_t bad_size = 0;
  		if (argc < 5) {
  			fprintf(stderr, "Invalid number of params\n");
  			cmd_cbi_help(argv[0]);
  			return -1;
  		}
  		memset(p, 0, ec_max_outsize);
  		p->tag = tag;
  
  		if (cmd_cbi_is_string_field(tag)) {
  			val_ptr = argv[3];
  			size = strlen((char *)(val_ptr)) + 1;
  		} else {
  			val = strtoul(argv[3], &e, 0);
  			/* strtoul sets an errno for invalid input. If the value
  			 * read is out of range of representable values by an
  			 * unsigned long int, the function returns ULONG_MAX
  			 * or ULONG_MIN and the errno is set to ERANGE.
  			 */
  			if ((e && *e) || errno == ERANGE) {
  				fprintf(stderr, "Bad value\n");
  				return -1;
  			}
  			size = strtol(argv[4], &e, 0);
  			if (tag == CBI_TAG_REWORK_ID) {
  				if ((e && *e) || size < 1 || size > 8 ||
  				     (size < 8 && val >= (1ull << size*8)))
  					bad_size = 1;
  			} else {
  				if ((e && *e) || size < 1 || 4 < size ||
  						 val >= (1ull << size*8))
  					bad_size = 1;
  			}
  			if (bad_size == 1) {
  				fprintf(stderr, "Bad size: %d\n", size);
  				return -1;
  			}
  
  			val_ptr = &val;
  		}
  
  		if (size > ec_max_outsize - sizeof(*p)) {
  			fprintf(stderr, "Size exceeds parameter buffer: %d\n",
  				size);
  			return -1;
  		}
  		/* Little endian */
  		memcpy(p->data, val_ptr, size);
  		p->size = size;
  		if (argc > 5) {
  			p->flag = strtol(argv[5], &e, 0);
  			if (e && *e) {
  				fprintf(stderr, "Bad flag\n");
  				return -1;
  			}
  		}
  		rv = ec_command(EC_CMD_SET_CROS_BOARD_INFO, 0,
  				p, sizeof(*p) + size, NULL, 0);
  		if (rv < 0) {
  			if (rv == -EC_RES_ACCESS_DENIED - EECRESULT)
  				fprintf(stderr, "Write-protect is enabled or "
  					"EC explicitly refused to change the "
  					"requested field.\n");
  			else
  				fprintf(stderr, "Error code: %d\n", rv);
  			return rv;
  		}
  		return 0;
  	} else if (!strcasecmp(argv[1], "remove")) {
  		struct ec_params_set_cbi p = { 0 };
  
  		p.tag = tag;
  		p.size = 0;
  		if (argc > 3) {
  			p.flag = strtol(argv[3], &e, 0);
  			if (e && *e) {
  				fprintf(stderr, "Bad flag\n");
  				return -1;
  			}
  		}
  		rv = ec_command(EC_CMD_SET_CROS_BOARD_INFO, 0,
  				&p, sizeof(p), NULL, 0);
  		if (rv < 0) {
  			if (rv == -EC_RES_ACCESS_DENIED - EECRESULT)
  				fprintf(stderr, "Write-protect is enabled or "
  					"EC explicitly refused to change the "
  					"requested field.\n");
  			else
  				fprintf(stderr, "Error code: %d\n", rv);
  			return rv;
  		}
  		return 0;
  	}
  
  	fprintf(stderr, "Invalid sub command: %s\n", argv[1]);
  	cmd_cbi_help(argv[0]);
  
  	return -1;
  }
  
  int cmd_chipinfo(int argc, char *argv[])
  {
  	struct ec_response_get_chip_info info;
  	int rv;
  
  	printf("Chip info:\n");
  
  	rv = ec_command(EC_CMD_GET_CHIP_INFO, 0, NULL, 0, &info, sizeof(info));
  	if (rv < 0)
  		return rv;
  	printf("  vendor:    %s\n", info.vendor);
  	printf("  name:      %s\n", info.name);
  	printf("  revision:  %s\n", info.revision);
  
  	return 0;
  }
  
  int cmd_proto_info(int argc, char *argv[])
  {
  	struct ec_response_get_protocol_info info;
  	int rv;
  	int i;
  
  	printf("Protocol info:\n");
  
  	rv = ec_command(EC_CMD_GET_PROTOCOL_INFO, 0, NULL, 0,
  			&info, sizeof(info));
  	if (rv < 0) {
  		fprintf(stderr, "Protocol info unavailable.  EC probably only "
  				"supports protocol version 2.\n");
  		return rv;
  	}
  
  	printf("  protocol versions:");
  	for (i = 0; i < 32; i++) {
  		if (info.protocol_versions & BIT(i))
  			printf(" %d", i);
  	}
  	printf("\n");
  
  	printf("  max request:  %4d bytes\n", info.max_request_packet_size);
  	printf("  max response: %4d bytes\n", info.max_response_packet_size);
  	printf("  flags: 0x%08x\n", info.flags);
  	if (info.flags & EC_PROTOCOL_INFO_IN_PROGRESS_SUPPORTED)
  		printf("    EC_RES_IN_PROGRESS supported\n");
  	return 0;
  }
  
  static int ec_hash_help(const char *cmd)
  {
  	printf("Usage:\n");
  	printf("  %s                        - get last hash\n", cmd);
  	printf("  %s abort                  - abort hashing\n", cmd);
  	printf("  %s start [<offset> <size> [<nonce>]] - start hashing\n", cmd);
  	printf("  %s recalc [<offset> <size> [<nonce>]] - sync rehash\n", cmd);
  	printf("\n"
  	       "If <offset> is RO or RW, offset and size are computed\n"
  	       "automatically for the EC-RO or EC-RW firmware image.\n");
  
  	return 0;
  }
  
  
  static int ec_hash_print(const struct ec_response_vboot_hash *r)
  {
  	int i;
  
  	if (r->status == EC_VBOOT_HASH_STATUS_BUSY) {
  		printf("status:  busy\n");
  		return 0;
  	} else if (r->status == EC_VBOOT_HASH_STATUS_NONE) {
  		printf("status:  unavailable\n");
  		return 0;
  	} else if (r->status != EC_VBOOT_HASH_STATUS_DONE) {
  		printf("status:  %d\n", r->status);
  		return 0;
  	}
  
  	printf("status:  done\n");
  	if (r->hash_type == EC_VBOOT_HASH_TYPE_SHA256)
  		printf("type:    SHA-256\n");
  	else
  		printf("type:    %d\n", r->hash_type);
  
  	printf("offset:  0x%08x\n", r->offset);
  	printf("size:    0x%08x\n", r->size);
  
  	printf("hash:    ");
  	for (i = 0; i < r->digest_size; i++)
  		printf("%02x", r->hash_digest[i]);
  	printf("\n");
  	return 0;
  }
  
  
  int cmd_ec_hash(int argc, char *argv[])
  {
  	struct ec_params_vboot_hash p;
  	struct ec_response_vboot_hash r;
  	char *e;
  	int rv;
  
  	memset(&p, 0, sizeof(p));
  	if (argc < 2) {
  		/* Get hash status */
  		p.cmd = EC_VBOOT_HASH_GET;
  		rv = ec_command(EC_CMD_VBOOT_HASH, 0,
  				&p, sizeof(p), &r, sizeof(r));
  		if (rv < 0)
  			return rv;
  
  		return ec_hash_print(&r);
  	}
  
  	if (argc == 2 && !strcasecmp(argv[1], "abort")) {
  		/* Abort hash calculation */
  		p.cmd = EC_VBOOT_HASH_ABORT;
  		rv = ec_command(EC_CMD_VBOOT_HASH, 0,
  				&p, sizeof(p), &r, sizeof(r));
  		return (rv < 0 ? rv : 0);
  	}
  
  	/* The only other commands are start and recalc */
  	if (!strcasecmp(argv[1], "start"))
  		p.cmd = EC_VBOOT_HASH_START;
  	else if (!strcasecmp(argv[1], "recalc"))
  		p.cmd = EC_VBOOT_HASH_RECALC;
  	else
  		return ec_hash_help(argv[0]);
  
  	p.hash_type = EC_VBOOT_HASH_TYPE_SHA256;
  
  	if (argc < 3) {
  		fprintf(stderr, "Must specify offset\n");
  		return -1;
  	}
  
  	if (!strcasecmp(argv[2], "ro")) {
  		p.offset = EC_VBOOT_HASH_OFFSET_RO;
  		p.size = 0;
  		printf("Hashing EC-RO...\n");
  	} else if (!strcasecmp(argv[2], "rw")) {
  		p.offset = EC_VBOOT_HASH_OFFSET_ACTIVE;
  		p.size = 0;
  		printf("Hashing EC-RW...\n");
  	} else if (argc < 4) {
  		fprintf(stderr, "Must specify size\n");
  		return -1;
  	} else {
  		p.offset = strtol(argv[2], &e, 0);
  		if (e && *e) {
  			fprintf(stderr, "Bad offset.\n");
  			return -1;
  		}
  		p.size = strtol(argv[3], &e, 0);
  		if (e && *e) {
  			fprintf(stderr, "Bad size.\n");
  			return -1;
  		}
  		printf("Hashing %d bytes at offset %d...\n", p.size, p.offset);
  	}
  
  	if (argc == 5) {
  		/*
  		 * Technically nonce can be any binary data up to 64 bytes,
  		 * but this command only supports a 32-bit value.
  		 */
  		uint32_t nonce = strtol(argv[4], &e, 0);
  		if (e && *e) {
  			fprintf(stderr, "Bad nonce integer.\n");
  			return -1;
  		}
  		memcpy(p.nonce_data, &nonce, sizeof(nonce));
  		p.nonce_size = sizeof(nonce);
  	} else
  		p.nonce_size = 0;
  
  	rv = ec_command(EC_CMD_VBOOT_HASH, 0, &p, sizeof(p), &r, sizeof(r));
  	if (rv < 0)
  		return rv;
  
  	/* Start command doesn't wait for hashing to finish */
  	if (p.cmd == EC_VBOOT_HASH_START)
  		return 0;
  
  	/* Recalc command does wait around, so a result is ready now */
  	return ec_hash_print(&r);
  }
  
  
  int cmd_rtc_get(int argc, char *argv[])
  {
  	struct ec_response_rtc r;
  	int rv;
  
  	rv = ec_command(EC_CMD_RTC_GET_VALUE, 0, NULL, 0, &r, sizeof(r));
  	if (rv < 0)
  		return rv;
  
  	printf("Current time: 0x%08x (%d)\n", r.time, r.time);
  	return 0;
  }
  
  
  int cmd_rtc_set(int argc, char *argv[])
  {
  	struct ec_params_rtc p;
  	char *e;
  	int rv;
  
  	if (argc != 2) {
  		fprintf(stderr, "Usage: %s <time>\n", argv[0]);
  		return -1;
  	}
  	p.time = strtol(argv[1], &e, 0);
  	if (e && *e) {
  		fprintf(stderr, "Bad time.\n");
  		return -1;
  	}
  
  	rv = ec_command(EC_CMD_RTC_SET_VALUE, 0, &p, sizeof(p), NULL, 0);
  	if (rv < 0)
  		return rv;
  
  	printf("Time set.\n");
  	return 0;
  }
  
  int cmd_rtc_set_alarm(int argc, char *argv[])
  {
  	struct ec_params_rtc p;
  	char *e;
  	int rv;
  
  	if (argc != 2) {
  		fprintf(stderr, "Usage: %s <sec>\n", argv[0]);
  		return -1;
  	}
  	p.time = strtol(argv[1], &e, 0);
  	if (e && *e) {
  		fprintf(stderr, "Bad time.\n");
  		return -1;
  	}
  
  	rv = ec_command(EC_CMD_RTC_SET_ALARM, 0, &p, sizeof(p), NULL, 0);
  	if (rv < 0)
  		return rv;
  
  	if (p.time == 0)
  		printf("Disabling alarm.\n");
  	else
  		printf("Alarm set to go off in %d secs.\n", p.time);
  	return 0;
  }
  
  int cmd_rtc_get_alarm(int argc, char *argv[])
  {
  	struct ec_response_rtc r;
  	int rv;
  
  	rv = ec_command(EC_CMD_RTC_GET_ALARM, 0, NULL, 0, &r, sizeof(r));
  	if (rv < 0)
  		return rv;
  
  	if (r.time == 0)
  		printf("Alarm not set\n");
  	else
  		printf("Alarm to go off in %d secs\n", r.time);
  	return 0;
  }
  
  int cmd_console(int argc, char *argv[])
  {
  	char *out = (char *)ec_inbuf;
  	int rv;
  
  	/* Snapshot the EC console */
  	rv = ec_command(EC_CMD_CONSOLE_SNAPSHOT, 0, NULL, 0, NULL, 0);
  	if (rv < 0)
  		return rv;
  
  	/* Loop and read from the snapshot until it's done */
  	while (1) {
  		rv = ec_command(EC_CMD_CONSOLE_READ, 0,
  				NULL, 0, ec_inbuf, ec_max_insize);
  		if (rv < 0)
  			return rv;
  
  		/* Empty response means done */
  		if (!rv || !*out)
  			break;
  
  		/* Make sure output is null-terminated, then dump it */
  		out[ec_max_insize - 1] = '\0';
  		fputs(out, stdout);
  	}
  	printf("\n");
  	return 0;
  }
  struct param_info {
  	const char *name;	/* name of this parameter */
  	const char *help;	/* help message */
  	int size;		/* size in bytes */
  	int offset;		/* offset within structure */
  };
  
  #define FIELD(fname, field, help_str) \
  	{ \
  		.name = fname, \
  		.help = help_str, \
  		.size = sizeof(((struct ec_mkbp_config *)NULL)->field), \
  		.offset = __builtin_offsetof(struct ec_mkbp_config, field), \
  	}
  
  static const struct param_info keyconfig_params[] = {
  	FIELD("scan_period", scan_period_us, "period between scans"),
  	FIELD("poll_timeout", poll_timeout_us,
  	      "revert to irq mode after no activity for this long"),
  	FIELD("min_post_scan_delay", min_post_scan_delay_us,
  	      "minimum post-scan delay before starting a new scan"),
  	FIELD("output_settle", output_settle_us,
  	      "delay to wait for output to settle"),
  	FIELD("debounce_down", debounce_down_us,
  	      "time for debounce on key down"),
  	FIELD("debounce_up", debounce_up_us, "time for debounce on key up"),
  	FIELD("fifo_max_depth", fifo_max_depth,
  	      "maximum depth to allow for fifo (0 = disable)"),
  	FIELD("flags", flags, "0 to disable scanning, 1 to enable"),
  };
  
  static const struct param_info *find_field(const struct param_info *params,
  		int count, const char *name, unsigned int *nump)
  {
  	const struct param_info *param;
  	int i;
  
  	for (i = 0, param = params; i < count; i++, param++) {
  		if (0 == strcmp(param->name, name)) {
  			if (nump)
  				*nump = i;
  			return param;
  		}
  	}
  
  	fprintf(stderr, "Unknown parameter '%s'\n", name);
  	return NULL;
  }
  
  static int get_value(const struct param_info *param, const char *config)
  {
  	const char *field;
  
  	field = config + param->offset;
  	switch (param->size) {
  	case 1:
  		return *(uint8_t *)field;
  	case 2:
  		return *(uint16_t *)field;
  	case 4:
  		return *(uint32_t *)field;
  	default:
  		fprintf(stderr, "Internal error: unknown size %d\n",
  			param->size);
  	}
  
  	return -1;
  }
  
  static int show_fields(struct ec_mkbp_config *config, int argc, char *argv[])
  {
  	const struct param_info *param;
  	uint32_t mask;
  	int i;
  
  	if (!argc) {
  		mask = -1U;	/* show all fields */
  	} else {
  		mask = 0;
  		while (argc > 0) {
  			unsigned int num;
  
  			param = find_field(keyconfig_params,
  					   ARRAY_SIZE(keyconfig_params),
  					   argv[0], &num);
  			if (!param)
  				return -1;
  			mask |= 1 << num;
  			argc--;
  			argv++;
  		}
  	}
  
  	param = keyconfig_params;
  	for (i = 0; i < ARRAY_SIZE(keyconfig_params); i++, param++) {
  		if (mask & BIT(i)) {
  			fprintf(stderr, "%-12s   %u\n", param->name,
  				get_value(param, (char *)config));
  		}
  	}
  
  	return 0;
  }
  
  static int cmd_kbinfo(int argc, char *argv[])
  {
  	struct ec_params_mkbp_info info = {
  		.info_type = EC_MKBP_INFO_KBD,
  	};
  	struct ec_response_mkbp_info resp;
  	int rv;
  
  	if (argc > 1) {
  		fprintf(stderr, "Too many args\n");
  		return -1;
  	}
  	rv = ec_command(EC_CMD_MKBP_INFO, 0, &info, sizeof(info), &resp,
  			sizeof(resp));
  	if (rv < 0)
  		return rv;
  
  	printf("Matrix rows: %d\n", resp.rows);
  	printf("Matrix columns: %d\n", resp.cols);
  
  	return 0;
  }
  
  static int cmd_kbid(int argc, char *argv[])
  {
  	struct ec_response_keyboard_id response;
  	int rv;
  
  	if (argc > 1) {
  		fprintf(stderr, "Too many args\n");
  		return -1;
  	}
  
  	rv = ec_command(EC_CMD_GET_KEYBOARD_ID, 0, NULL, 0, &response,
  			sizeof(response));
  	if (rv < 0)
  		return rv;
  	switch (response.keyboard_id) {
  	case KEYBOARD_ID_UNSUPPORTED:
  		/* Keyboard ID was not supported */
  		printf("Keyboard doesn't support ID\n");
  		break;
  	case KEYBOARD_ID_UNREADABLE:
  		/* Ghosting ID was detected */
  		printf("Reboot and keep hands off the keyboard during"
  		       " next boot-up\n");
  		break;
  	default:
  		/* Valid keyboard ID value was reported*/
  		printf("%x\n", response.keyboard_id);
  	}
  	return rv;
  }
  
  static int cmd_keyconfig(int argc, char *argv[])
  {
  	struct ec_params_mkbp_set_config req;
  	int cmd;
  	int rv;
  
  	if (argc < 2) {
  		const struct param_info *param;
  		int i;
  
  		fprintf(stderr, "Usage: %s get [<param>] - print params\n"
  			"\t%s set [<param>> <value>]\n"
  			"   Available params are: (all time values are in us)",
  			argv[0], argv[0]);
  
  		param = keyconfig_params;
  		for (i = 0; i < ARRAY_SIZE(keyconfig_params); i++, param++) {
  			fprintf(stderr, "%-12s   %s\n", param->name,
  				param->name);
  		}
  		return -1;
  	}
  
  	/* Get the command */
  	if (0 == strcmp(argv[1], "get")) {
  		cmd = EC_CMD_MKBP_GET_CONFIG;
  	} else if (0 == strcmp(argv[1], "set")) {
  		cmd = EC_CMD_MKBP_SET_CONFIG;
  	} else {
  		fprintf(stderr, "Invalid command '%s\n", argv[1]);
  		return -1;
  	}
  
  	switch (cmd) {
  	case EC_CMD_MKBP_GET_CONFIG:
  		/* Read the existing config */
  		rv = ec_command(cmd, 0, NULL, 0, &req, sizeof(req));
  		if (rv < 0)
  			return rv;
  		show_fields(&req.config, argc - 2, argv + 2);
  		break;
  	}
  
  	return 0;
  }
  
  static const char * const mkbp_button_strings[] = {
  	[EC_MKBP_POWER_BUTTON] = "Power",
  	[EC_MKBP_VOL_UP] = "Volume up",
  	[EC_MKBP_VOL_DOWN] = "Volume down",
  	[EC_MKBP_RECOVERY] = "Recovery",
  };
  
  static const char * const mkbp_switch_strings[] = {
  	[EC_MKBP_LID_OPEN] = "Lid open",
  	[EC_MKBP_TABLET_MODE] = "Tablet mode",
  	[EC_MKBP_BASE_ATTACHED] = "Base attached",
  };
  
  static int cmd_mkbp_get(int argc, char *argv[])
  {
  	struct ec_params_mkbp_info p;
  	union ec_response_get_next_data r;
  	int rv;
  	int i;
  	uint32_t supported;
  
  	if (argc < 2) {
  		fprintf(stderr, "Usage: %s <buttons|switches>\n", argv[0]);
  		return -1;
  	}
  
  	if (strncmp(argv[1], "button", 6) == 0) {
  		p.event_type = EC_MKBP_EVENT_BUTTON;
  	} else if (strncmp(argv[1], "switch", 6) == 0) {
  		p.event_type = EC_MKBP_EVENT_SWITCH;
  	} else {
  		fprintf(stderr, "Invalid param: '%s'\n", argv[1]);
  		return -1;
  	}
  
  	p.info_type = EC_MKBP_INFO_SUPPORTED;
  	rv = ec_command(EC_CMD_MKBP_INFO, 0, &p, sizeof(p), &r,
  			sizeof(r));
  	if (rv < 0)
  		return rv;
  	if (p.event_type == EC_MKBP_EVENT_BUTTON)
  		supported = r.buttons;
  	else if (p.event_type == EC_MKBP_EVENT_SWITCH)
  		supported = r.switches;
  	else
  		return -1;
  
  	p.info_type = EC_MKBP_INFO_CURRENT;
  	rv = ec_command(EC_CMD_MKBP_INFO, 0, &p, sizeof(p), &r,
  			sizeof(r));
  	if (rv < 0)
  		return rv;
  
  	if (p.event_type == EC_MKBP_EVENT_BUTTON) {
  		printf("MKBP buttons state: 0x%04x (supported: 0x%04x)\n",
  		       r.buttons, supported);
  		for (i = 0; i < ARRAY_SIZE(mkbp_button_strings); i++) {
  			if (supported & BIT(i) && mkbp_button_strings[i]) {
  				printf("%s: %s\n", mkbp_button_strings[i],
  				       r.buttons & BIT(i) ? "ON" : "OFF");
  				supported &= ~BIT(i);
  			}
  		}
  		if (supported)
  			printf("Unknown buttons: 0x%04x\n", supported);
  	} else if (p.event_type == EC_MKBP_EVENT_SWITCH) {
  		printf("MKBP switches state: 0x%04x (supported: 0x%04x)\n",
  		       r.switches, supported);
  		for (i = 0; i < ARRAY_SIZE(mkbp_switch_strings); i++) {
  			if (supported & BIT(i) && mkbp_switch_strings[i]) {
  				printf("%s: %s\n", mkbp_switch_strings[i],
  				       r.switches & BIT(i) ? "ON" : "OFF");
  				supported &= ~BIT(i);
  			}
  		}
  		if (supported)
  			printf("Unknown switches: 0x%04x\n", supported);
  	}
  
  	return 0;
  }
  
  static int cmd_mkbp_wake_mask(int argc, char *argv[])
  {
  	struct ec_params_mkbp_event_wake_mask p;
  	struct ec_response_mkbp_event_wake_mask r;
  	int rv;
  
  	if (argc < 3) {
  		fprintf(stderr, "Usage: %s get <event|hostevent>\n"
  			"\t%s set <event|hostevent> <mask>\n", argv[0],
  			argv[0]);
  		return -1;
  	}
  
  	/* Determine if the user want to get or set the wake mask. */
  	if (strncmp(argv[1], "get", 3) == 0) {
  		p.action = GET_WAKE_MASK;
  	} else if (strncmp(argv[1], "set", 3) == 0) {
  		p.action = SET_WAKE_MASK;
  	} else {
  		fprintf(stderr, "Invalid param: '%s'\n", argv[1]);
  		return -1;
  	}
  
  	/* Determine which mask is of interest. */
  	if (strncmp(argv[2], "event", 5) == 0) {
  		p.mask_type = EC_MKBP_EVENT_WAKE_MASK;
  	} else if (strncmp(argv[2], "hostevent", 9) == 0) {
  		p.mask_type = EC_MKBP_HOST_EVENT_WAKE_MASK;
  	} else {
  		fprintf(stderr, "Invalid param: '%s'\n", argv[2]);
  		return -1;
  	}
  
  	if (p.action == SET_WAKE_MASK) {
  		char *e;
  
  		if (argc < 4) {
  			fprintf(stderr, "Missing mask value!");
  			return -1;
  		}
  
  		p.new_wake_mask = strtol(argv[3], &e, 0);
  		if (e && *e) {
  			fprintf(stderr, "Bad mask: '%s'", argv[1]);
  			return -1;
  		}
  	}
  
  	rv = ec_command(EC_CMD_MKBP_WAKE_MASK, 0, &p, sizeof(p), &r,
  			sizeof(r));
  	if (rv < 0) {
  		if (rv == -EECRESULT-EC_RES_INVALID_PARAM) {
  			fprintf(stderr, "Unknown mask, or mask is not in use.  "
  				"You may need to enable the "
  				"CONFIG_MKBP_%s_WAKEUP_MASK option in the EC.\n"
  				, p.mask_type == EC_MKBP_EVENT_WAKE_MASK ?
  				"EVENT" : "HOSTEVENT");
  		}
  		return rv;
  	}
  
  	if (p.action == GET_WAKE_MASK)
  		printf("MBKP %s wake mask: 0x%08x\n", argv[2], r.wake_mask);
  	else if (p.action == SET_WAKE_MASK)
  		printf("MKBP %s wake mask set.\n", argv[2]);
  
  	return 0;
  }
  
  /* Index is already checked. argv[0] is first param value */
  static int cmd_tmp006cal_v0(int idx, int argc, char *argv[])
  {
  	struct ec_params_tmp006_get_calibration pg;
  	struct ec_response_tmp006_get_calibration_v0 rg;
  	struct ec_params_tmp006_set_calibration_v0 ps;
  	float val;
  	char *e;
  	int i, rv;
  
  	/* Get current values */
  	pg.index = idx;
  	rv = ec_command(EC_CMD_TMP006_GET_CALIBRATION, 0,
  			&pg, sizeof(pg), &rg, sizeof(rg));
  	if (rv < 0)
  		return rv;
  
  	if (!argc) {
  		/* If no new values are given, just print what we have */
  		printf("S0: %e\n", rg.s0);
  		printf("b0: %e\n", rg.b0);
  		printf("b1: %e\n", rg.b1);
  		printf("b2: %e\n", rg.b2);
  		return EC_SUCCESS;
  	}
  
  	/* Prepare to reuse the current values */
  	memset(&ps, 0, sizeof(ps));
  	ps.index = idx;
  	ps.s0 = rg.s0;
  	ps.b0 = rg.b0;
  	ps.b1 = rg.b1;
  	ps.b2 = rg.b2;
  
  	/* Parse up to four args, skipping any that are just "-" */
  	for (i = 0; i < argc && i < 4; i++) {
  		if (!strcmp(argv[i], "-"))
  			continue;
  		val = strtod(argv[i], &e);
  		if (e && *e) {
  			fprintf(stderr,
  				"Bad arg \"%s\". Use \"-\" to skip a param.\n",
  				argv[i]);
  			return -1;
  		}
  		switch (i) {
  		case 0:
  			ps.s0 = val;
  			break;
  		case 1:
  			ps.b0 = val;
  			break;
  		case 2:
  			ps.b1 = val;
  			break;
  		case 3:
  			ps.b2 = val;
  			break;
  		}
  	}
  
  	/* Set 'em */
  	return ec_command(EC_CMD_TMP006_SET_CALIBRATION, 0,
  			  &ps, sizeof(ps), NULL, 0);
  }
  
  /* Index is already checked. argv[0] is first param value */
  static int cmd_tmp006cal_v1(int idx, int argc, char *argv[])
  {
  	struct ec_params_tmp006_get_calibration pg;
  	struct ec_response_tmp006_get_calibration_v1 *rg =
  		(struct ec_response_tmp006_get_calibration_v1 *)(ec_inbuf);
  	struct ec_params_tmp006_set_calibration_v1 *ps =
  		(struct ec_params_tmp006_set_calibration_v1 *)(ec_outbuf);
  	float val;
  	char *e;
  	int i, rv, cmdsize;
  
  	/* Algorithm 1 parameter names */
  	static const char * const alg1_pname[] = {
  		"s0", "a1", "a2", "b0", "b1", "b2", "c2",
  		"d0", "d1", "ds", "e0", "e1",
  	};
  
  	/* Get current values */
  	pg.index = idx;
  	rv = ec_command(EC_CMD_TMP006_GET_CALIBRATION, 1,
  			&pg, sizeof(pg), rg, ec_max_insize);
  	if (rv < 0)
  		return rv;
  
  	if (!argc) {
  		/* If no new values are given, just print what we have */
  		printf("algorithm:  %d\n", rg->algorithm);
  		printf("params:\n");
  		/* We only know about alg 1 at the moment */
  		if (rg->algorithm == 1)
  			for (i = 0; i < rg->num_params; i++)
  				printf("  %s  %e\n", alg1_pname[i], rg->val[i]);
  		else
  			for (i = 0; i < rg->num_params; i++)
  				printf("  param%d  %e\n", i, rg->val[i]);
  		return EC_SUCCESS;
  	}
  
  	/* Prepare to reuse the current values */
  	memset(ps, 0, ec_max_outsize);
  	ps->index = idx;
  	ps->algorithm = rg->algorithm;
  	ps->num_params = rg->num_params;
  	for (i = 0; i < rg->num_params; i++)
  		ps->val[i] = rg->val[i];
  
  	/* Parse the args, skipping any that are just "-" */
  	for (i = 0; i < argc && i < rg->num_params; i++) {
  		if (!strcmp(argv[i], "-"))
  			continue;
  		val = strtod(argv[i], &e);
  		if (e && *e) {
  			fprintf(stderr,
  				"Bad arg \"%s\". Use \"-\" to skip a param.\n",
  				argv[i]);
  			return -1;
  		}
  		ps->val[i] = val;
  	}
  
  	/* Set 'em */
  	cmdsize = sizeof(*ps) + ps->num_params * sizeof(ps->val[0]);
  	return ec_command(EC_CMD_TMP006_SET_CALIBRATION, 1,
  			  ps, cmdsize, NULL, 0);
  }
  
  int cmd_tmp006cal(int argc, char *argv[])
  {
  	char *e;
  	int idx;
  
  	if (argc < 2) {
  		fprintf(stderr, "Must specify tmp006 index.\n");
  		return -1;
  	}
  
  	idx = strtol(argv[1], &e, 0);
  	if ((e && *e) || idx < 0 || idx > 255) {
  		fprintf(stderr, "Bad index.\n");
  		return -1;
  	}
  
  	/* Pass just the params (if any) to the helper function */
  	argc -= 2;
  	argv += 2;
  
  	if (ec_cmd_version_supported(EC_CMD_TMP006_GET_CALIBRATION, 1))
  		return cmd_tmp006cal_v1(idx, argc, argv);
  
  	if (ec_cmd_version_supported(EC_CMD_TMP006_GET_CALIBRATION, 0))
  		return cmd_tmp006cal_v0(idx, argc, argv);
  
  	printf("The EC is being stupid\n");
  	return -1;
  }
  
  int cmd_tmp006raw(int argc, char *argv[])
  {
  	struct ec_params_tmp006_get_raw p;
  	struct ec_response_tmp006_get_raw r;
  	char *e;
  	int idx;
  	int rv;
  
  	if (argc != 2) {
  		fprintf(stderr, "Must specify tmp006 index.\n");
  		return -1;
  	}
  
  	idx = strtol(argv[1], &e, 0);
  	if ((e && *e) || idx < 0 || idx > 255) {
  		fprintf(stderr, "Bad index.\n");
  		return -1;
  	}
  
  	p.index = idx;
  
  	rv = ec_command(EC_CMD_TMP006_GET_RAW, 0, &p, sizeof(p), &r, sizeof(r));
  	if (rv < 0)
  		return rv;
  
  	printf("T: %d.%02d K\n", r.t / 100, r.t % 100);
  	printf("V: %d nV\n", r.v);
  	return EC_SUCCESS;
  }
  
  static int cmd_hang_detect(int argc, char *argv[])
  {
  	struct ec_params_hang_detect req;
  	char *e;
  
  	memset(&req, 0, sizeof(req));
  
  	if (argc == 2 && !strcasecmp(argv[1], "stop")) {
  		req.flags = EC_HANG_STOP_NOW;
  		return ec_command(EC_CMD_HANG_DETECT, 0, &req, sizeof(req),
  				  NULL, 0);
  	}
  
  	if (argc == 2 && !strcasecmp(argv[1], "start")) {
  		req.flags = EC_HANG_START_NOW;
  		return ec_command(EC_CMD_HANG_DETECT, 0, &req, sizeof(req),
  				  NULL, 0);
  	}
  
  	if (argc == 4) {
  		req.flags = strtol(argv[1], &e, 0);
  		if (e && *e) {
  			fprintf(stderr, "Bad flags.\n");
  			return -1;
  		}
  
  		req.host_event_timeout_msec = strtol(argv[2], &e, 0);
  		if (e && *e) {
  			fprintf(stderr, "Bad event timeout.\n");
  			return -1;
  		}
  
  		req.warm_reboot_timeout_msec = strtol(argv[3], &e, 0);
  		if (e && *e) {
  			fprintf(stderr, "Bad reboot timeout.\n");
  			return -1;
  		}
  
  		printf("hang flags=0x%x\n"
  		       "event_timeout=%d ms\n"
  		       "reboot_timeout=%d ms\n",
  		       req.flags, req.host_event_timeout_msec,
  		       req.warm_reboot_timeout_msec);
  
  		return ec_command(EC_CMD_HANG_DETECT, 0, &req, sizeof(req),
  				  NULL, 0);
  	}
  
  	fprintf(stderr,
  		"Must specify start/stop or <flags> <event_ms> <reboot_ms>\n");
  	return -1;
  }
  
  enum port_80_event {
  	PORT_80_EVENT_RESUME = 0x1001,  /* S3->S0 transition */
  	PORT_80_EVENT_RESET = 0x1002,   /* RESET transition */
  };
  
  int cmd_port80_read(int argc, char *argv[])
  {
  	struct ec_params_port80_read p;
  	int cmdver = 1, rv;
  	int i, head, tail;
  	uint16_t *history;
  	uint32_t writes, history_size;
  	struct ec_response_port80_read rsp;
  	int printed = 0;
  
  	if (!ec_cmd_version_supported(EC_CMD_PORT80_READ, cmdver)) {
  		/* fall back to last boot */
  		struct ec_response_port80_last_boot r;
  		rv = ec_command(EC_CMD_PORT80_LAST_BOOT, 0,
  				NULL, 0, &r, sizeof(r));
  		fprintf(stderr, "Last boot %2x\n", r.code);
  		printf("done.\n");
  		return 0;
  	}
  
  
  	/* read writes and history_size */
  	p.subcmd = EC_PORT80_GET_INFO;
  	rv = ec_command(EC_CMD_PORT80_READ, cmdver,
  			&p, sizeof(p), &rsp, sizeof(rsp));
  	if (rv < 0) {
  		fprintf(stderr, "Read error at writes\n");
  		return rv;
  	}
  	writes = rsp.get_info.writes;
  	history_size = rsp.get_info.history_size;
  
  	history = (uint16_t *)(
  		malloc(history_size * sizeof(uint16_t)));
  	if (!history) {
  		fprintf(stderr, "Unable to allocate buffer.\n");
  		return -1;
  	}
  	/* As the history buffer is quite large, we read data in chunks, with
  	    size in bytes of EC_PORT80_SIZE_MAX in each chunk.
  	    Incrementing offset until all history buffer has been read. To
  	    simplify the design, chose HISTORY_LEN is always multiple of
  	    EC_PORT80_SIZE_MAX.
  
  	    offset: entry offset from the beginning of history buffer.
  	    num_entries: number of entries requested.
  	*/
  	p.subcmd = EC_PORT80_READ_BUFFER;
  	for (i = 0; i < history_size; i += EC_PORT80_SIZE_MAX) {
  		p.read_buffer.offset = i;
  		p.read_buffer.num_entries = EC_PORT80_SIZE_MAX;
  		rv = ec_command(EC_CMD_PORT80_READ, cmdver,
  				&p, sizeof(p), &rsp, sizeof(rsp));
  		if (rv < 0) {
  			fprintf(stderr, "Read error at offset %d\n", i);
  			free(history);
  			return rv;
  		}
  		memcpy((void *)(history + i), rsp.data.codes,
  			EC_PORT80_SIZE_MAX*sizeof(uint16_t));
  	}
  
  	head = writes;
  	if (head > history_size)
  		tail = head - history_size;
  	else
  		tail = 0;
  
  	fprintf(stderr, "Port 80 writes");
  	for (i = tail; i < head; i++) {
  		int e = history[i % history_size];
  		switch (e) {
  		case PORT_80_EVENT_RESUME:
  			fprintf(stderr, "\n(S3->S0)");
  			printed = 0;
  			break;
  		case PORT_80_EVENT_RESET:
  			fprintf(stderr, "\n(RESET)");
  			printed = 0;
  			break;
  		default:
  			if (!(printed++ % 20))
  				fprintf(stderr, "\n ");
  			fprintf(stderr, " %02x", e);
  		}
  	}
  	fprintf(stderr, " <--new\n");
  
  	free(history);
  	printf("done.\n");
  	return 0;
  }
  
  int cmd_force_lid_open(int argc, char *argv[])
  {
  	struct ec_params_force_lid_open p;
  	char *e;
  	int rv;
  
  	if (argc != 2) {
  		fprintf(stderr, "Usage: %s <0|1>\n", argv[0]);
  		return -1;
  	}
  	p.enabled = strtol(argv[1], &e, 0);
  	if (e && *e) {
  		fprintf(stderr, "Bad value.\n");
  		return -1;
  	}
  
  	rv = ec_command(EC_CMD_FORCE_LID_OPEN, 0, &p, sizeof(p), NULL, 0);
  	if (rv < 0)
  		return rv;
  	printf("Success.\n");
  	return 0;
  }
  
  int cmd_charge_port_override(int argc, char *argv[])
  {
  	struct ec_params_charge_port_override p;
  	char *e;
  	int rv;
  
  	if (argc < 2) {
  		fprintf(stderr, "Usage: %s <port# | dontcharge | off>\n",
  			argv[0]);
  		return -1;
  	}
  
  	if (!strcasecmp(argv[1], "dontcharge"))
  		p.override_port = OVERRIDE_DONT_CHARGE;
  	else if (!strcasecmp(argv[1], "off"))
  		p.override_port = OVERRIDE_OFF;
  	else {
  		p.override_port = strtol(argv[1], &e, 0);
  		if (e && *e) {
  			fprintf(stderr, "Bad parameter.\n");
  			return -1;
  		}
  	}
  
  	rv = ec_command(EC_CMD_PD_CHARGE_PORT_OVERRIDE, 0, &p, sizeof(p),
  			NULL, 0);
  	if (rv < 0)
  		return rv;
  
  	printf("Override port set to %d\n", p.override_port);
  	return 0;
  }
  
  static void cmd_pchg_help(char *cmd)
  {
  	fprintf(stderr,
  	"  Usage1: %s\n"
  	"          Print the number of ports.\n"
  	"\n"
  	"  Usage2: %s <port>\n"
  	"          Print the status of <port>.\n"
  	"\n"
  	"  Usage3: %s <port> reset\n"
  	"          Reset <port>.\n"
  	"\n"
  	"  Usage4: %s <port> update <version> <addr1> <file1> <addr2> <file2> ...\n"
  	"          Update firmware of <port>.\n",
  	cmd, cmd, cmd, cmd);
  }
  
  static int cmd_pchg_info(const struct ec_response_pchg *res)
  {
  	static const char * const pchg_state_text[] = EC_PCHG_STATE_TEXT;
  
  	BUILD_ASSERT(ARRAY_SIZE(pchg_state_text) == PCHG_STATE_COUNT);
  
  	printf("State: %s (%d)\n", res->state < PCHG_STATE_COUNT
  	       ? pchg_state_text[res->state] : "UNDEF", res->state);
  	printf("Battery: %u%%\n", res->battery_percentage);
  	printf("Errors: 0x%x\n", res->error);
  	printf("FW Version: 0x%x\n", res->fw_version);
  	printf("Dropped events: %u\n", res->dropped_event_count);
  	return 0;
  }
  
  static int cmd_pchg_wait_event(int port, uint32_t expected)
  {
  	struct ec_response_get_next_event_v1 event;
  	const long timeout = 5000;
  	uint32_t *e = &event.data.host_event;
  	int rv;
  
  	rv = wait_event(EC_MKBP_EVENT_PCHG, &event, sizeof(event), timeout);
  	if (rv < 0)
  		return rv;
  
  	if (EC_MKBP_PCHG_EVENT_TO_PORT(*e) == port) {
  		if (*e & EC_MKBP_PCHG_UPDATE_ERROR) {
  			fprintf(stderr, "\nReceived update error\n");
  			return -1;
  		}
  		if (*e & expected)
  			return 0;
  	}
  
  	fprintf(stderr, "\nExpected event=0x%x but received 0x%x\n",
  		expected, *e);
  	return -1;
  }
  
  static int cmd_pchg_update_open(int port, uint32_t version,
  				uint32_t *block_size, uint32_t *crc)
  {
  	struct ec_params_pchg_update *p =
  		(struct ec_params_pchg_update *)(ec_outbuf);
  	struct ec_response_pchg_update *r =
  		(struct ec_response_pchg_update *)(ec_inbuf);
  	int rv;
  
  	/* Open session. */
  	p->port = port;
  	p->cmd = EC_PCHG_UPDATE_CMD_OPEN;
  	p->version = version;
  	rv = ec_command(EC_CMD_PCHG_UPDATE, 0, p, sizeof(*p), r, sizeof(*r));
  	if (rv < 0) {
  		fprintf(stderr, "\nFailed to open update session: %d\n", rv);
  		return rv;
  	}
  
  	if (r->block_size + sizeof(*p) > ec_max_outsize) {
  		fprintf(stderr, "\nBlock size (%d) is too large.\n",
  			r->block_size);
  		return -1;
  	}
  
  	rv = cmd_pchg_wait_event(port, EC_MKBP_PCHG_UPDATE_OPENED);
  	if (rv)
  		return rv;
  
  	printf("Opened update session (port=%d ver=0x%x bsize=%d):\n",
  	       port, version, r->block_size);
  
  	*block_size = r->block_size;
  	crc32_ctx_init(crc);
  
  	return 0;
  }
  
  static int cmd_pchg_update_write(int port, uint32_t address,
  				 const char *filename, uint32_t block_size,
  				 uint32_t *crc)
  {
  	struct ec_params_pchg_update *p =
  		(struct ec_params_pchg_update *)(ec_outbuf);
  	FILE *fp;
  	size_t len, total;
  	int progress = 0;
  	int rv;
  
  	fp = fopen(filename, "rb");
  	if (!fp) {
  		fprintf(stderr, "\nCan't open %s: %s\n",
  			filename, strerror(errno));
  		return -1;
  	}
  
  	fseek(fp, 0L, SEEK_END);
  	total = ftell(fp);
  	rewind(fp);
  	printf("Writing %s (%zu bytes).\n", filename, total);
  
  	p->cmd = EC_PCHG_UPDATE_CMD_WRITE;
  	p->addr = address;
  
  	/* Write firmware in blocks. */
  	len = fread(p->data, 1, block_size, fp);
  	while (len > 0) {
  		int previous_progress = progress;
  		int i;
  
  		crc32_ctx_hash(crc, p->data, len);
  		p->size = len;
  		rv = ec_command(EC_CMD_PCHG_UPDATE, 0, p,
  				sizeof(*p) + len, NULL, 0);
  		if (rv < 0) {
  			fprintf(stderr, "\nFailed to write FW: %d\n", rv);
  			fclose(fp);
  			return rv;
  		}
  
  		rv = cmd_pchg_wait_event(port, EC_MKBP_PCHG_WRITE_COMPLETE);
  		if (rv)
  			return rv;
  
  		p->addr += len;
  		progress = (p->addr - address) * 100 / total;
  		for (i = 0; i < progress - previous_progress; i++) {
  			printf("*");
  			fflush(stdout);
  		}
  
  		len = fread(p->data, 1, block_size, fp);
  	}
  
  	printf("\n");
  	fclose(fp);
  
  	return 0;
  }
  
  static int cmd_pchg_update_close(int port, uint32_t *crc)
  {
  	struct ec_params_pchg_update *p =
  		(struct ec_params_pchg_update *)(ec_outbuf);
  	int rv;
  
  	p->cmd = EC_PCHG_UPDATE_CMD_CLOSE;
  	p->crc32 = crc32_ctx_result(crc);
  	rv = ec_command(EC_CMD_PCHG_UPDATE, 0, p, sizeof(*p), NULL, 0);
  
  	if (rv < 0) {
  		fprintf(stderr, "\nFailed to close update session: %d\n", rv);
  		return rv;
  	}
  
  	rv = cmd_pchg_wait_event(port, EC_MKBP_PCHG_UPDATE_CLOSED);
  	if (rv)
  		return rv;
  
  	printf("Firmware was updated successfully (CRC32=0x%x).\n", p->crc32);
  
  	return 0;
  }
  
  static int cmd_pchg(int argc, char *argv[])
  {
  	const size_t max_input_files = 8;
  	int port, port_count;
  	struct ec_response_pchg_count rcnt;
  	struct ec_params_pchg p;
  	struct ec_response_pchg r;
  	char *e;
  	int rv;
  
  	rv = ec_command(EC_CMD_PCHG_COUNT, 0, NULL, 0, &rcnt, sizeof(rcnt));
  	if (rv < 0) {
  		fprintf(stderr, "\nFailed to get port count: %d\n", rv);
  		return rv;
  	}
  	port_count = rcnt.port_count;
  
  	if (argc == 1) {
  		/* Usage.1 */
  		printf("%d\n", port_count);
  		return 0;
  	}
  
  	port = strtol(argv[1], &e, 0);
  	if ((e && *e) || port >= port_count) {
  		fprintf(stderr, "\nBad port index: %s\n", argv[1]);
  		cmd_pchg_help(argv[0]);
  		return -1;
  	}
  
  	p.port = port;
  	rv = ec_command(EC_CMD_PCHG, 1, &p, sizeof(p), &r, sizeof(r));
  	if (rv < 0) {
  		fprintf(stderr, "\nError code: %d\n", rv);
  		return rv;
  	}
  
  	if (argc == 2) {
  		/* Usage.2 */
  		return cmd_pchg_info(&r);
  	} else if (argc == 3 && !strcmp(argv[2], "reset")) {
  		/* Usage.3 */
  		struct ec_params_pchg_update *u =
  			(struct ec_params_pchg_update *)(ec_outbuf);
  
  		u->cmd = EC_PCHG_UPDATE_CMD_RESET_TO_NORMAL;
  		rv = ec_command(EC_CMD_PCHG_UPDATE, 0, u, sizeof(*u), NULL, 0);
  		if (rv < 0) {
  			fprintf(stderr, "\nFailed to reset port %d: %d\n",
  				port, rv);
  			cmd_pchg_help(argv[0]);
  			return rv;
  		}
  		printf("Reset port %d complete.\n", port);
  		return 0;
  	} else if (argc >= 6 && !strcmp(argv[2], "update")) {
  		/*
  		 * Usage.4:
  		 * argv[3]: <version>
  		 * argv[4]: <addr1>
  		 * argv[5]: <file1>
  		 * argv[6]: <addr2>
  		 * argv[7]: <file2>
  		 * ...
  		 */
  		uint32_t address, version;
  		uint32_t block_size = 0;
  		uint32_t crc;
  		int i;
  
  		if (argc > 4 + max_input_files * 2) {
  			fprintf(stderr, "\nToo many input files.\n");
  			return -1;
  		}
  
  		version = strtol(argv[3], &e, 0);
  		if (e && *e) {
  			fprintf(stderr, "\nBad version: %s.\n", argv[3]);
  			cmd_pchg_help(argv[0]);
  			return -1;
  		}
  
  		rv = cmd_pchg_update_open(port, version, &block_size, &crc);
  		if (rv < 0 || block_size == 0) {
  			fprintf(stderr, "\nFailed to open update session: %d\n",
  				rv);
  			return -1;
  		}
  
  		/* Write files one by one. */
  		for (i = 4; i + 1 < argc; i += 2) {
  			address = strtol(argv[i], &e, 0);
  			if (e && *e) {
  				fprintf(stderr, "\nBad address: %s\n", argv[i]);
  				cmd_pchg_help(argv[0]);
  				return -1;
  			}
  			rv = cmd_pchg_update_write(port, address, argv[i+1],
  						   block_size, &crc);
  			if (rv < 0) {
  				fprintf(stderr,
  					"\nFailed to write file '%s': %d",
  					argv[i+i], rv);
  				return -1;
  			}
  		}
  
  		rv = cmd_pchg_update_close(port, &crc);
  		if (rv < 0) {
  			fprintf(stderr, "\nFailed to close update session: %d",
  				rv);
  			return -1;
  		}
  
  		return 0;
  	}
  
  	fprintf(stderr, "Invalid parameter\n\n");
  	cmd_pchg_help(argv[0]);
  
  	return -1;
  }
  
  int cmd_pd_log(int argc, char *argv[])
  {
  	union {
  		struct ec_response_pd_log r;
  		uint32_t words[8]; /* space for the payload */
  	} u;
  	struct mcdp_info minfo;
  	struct ec_response_usb_pd_power_info pinfo;
  	int rv;
  	unsigned long long milliseconds;
  	unsigned seconds;
  	time_t now;
  	struct tm ltime;
  	char time_str[64];
  
  	while (1) {
  		now = time(NULL);
  		rv = ec_command(EC_CMD_PD_GET_LOG_ENTRY, 0,
  				NULL, 0, &u, sizeof(u));
  		if (rv < 0)
  			return rv;
  
  		if (u.r.type == PD_EVENT_NO_ENTRY) {
  			printf("--- END OF LOG ---\n");
  			break;
  		}
  
  		/* the timestamp is in 1024th of seconds */
  		milliseconds = ((uint64_t)u.r.timestamp <<
  					 PD_LOG_TIMESTAMP_SHIFT) / 1000;
  		/* the timestamp is the number of milliseconds in the past */
  		seconds = (milliseconds + 999) / 1000;
  		milliseconds -= seconds * 1000;
  		now -= seconds;
  		localtime_r(&now, &ltime);
  		strftime(time_str, sizeof(time_str), "%F %T", &ltime);
  		printf("%s.%03lld P%d ", time_str, -milliseconds,
  			PD_LOG_PORT(u.r.size_port));
  		if (u.r.type == PD_EVENT_MCU_CHARGE) {
  			if (u.r.data & CHARGE_FLAGS_OVERRIDE)
  				printf("override ");
  			if (u.r.data & CHARGE_FLAGS_DELAYED_OVERRIDE)
  				printf("pending_override ");
  			memcpy(&pinfo.meas, u.r.payload,
  				sizeof(struct usb_chg_measures));
  			pinfo.dualrole = !!(u.r.data & CHARGE_FLAGS_DUAL_ROLE);
  			pinfo.role = u.r.data & CHARGE_FLAGS_ROLE_MASK;
  			pinfo.type = (u.r.data & CHARGE_FLAGS_TYPE_MASK)
  					>> CHARGE_FLAGS_TYPE_SHIFT;
  			pinfo.max_power = 0;
  			print_pd_power_info(&pinfo);
  		} else if (u.r.type == PD_EVENT_MCU_CONNECT) {
  			printf("New connection\n");
  		} else if (u.r.type == PD_EVENT_MCU_BOARD_CUSTOM) {
  			printf("Board-custom event\n");
  		} else if (u.r.type == PD_EVENT_ACC_RW_FAIL) {
  			printf("RW signature check failed\n");
  		} else if (u.r.type == PD_EVENT_PS_FAULT) {
  			static const char * const fault_names[] = {
  				"---", "OCP", "fast OCP", "OVP", "Discharge"
  			};
  			const char *fault = u.r.data < ARRAY_SIZE(fault_names) ?
  					fault_names[u.r.data] : "???";
  			printf("Power supply fault: %s\n", fault);
  		} else if (u.r.type == PD_EVENT_VIDEO_DP_MODE) {
  			printf("DP mode %sabled\n", (u.r.data == 1) ?
  			       "en" : "dis");
  		} else if (u.r.type == PD_EVENT_VIDEO_CODEC) {
  			memcpy(&minfo, u.r.payload,
  			       sizeof(struct mcdp_info));
  			printf("HDMI info: family:%04x chipid:%04x "
  			       "irom:%d.%d.%d fw:%d.%d.%d\n",
  			       MCDP_FAMILY(minfo.family),
  			       MCDP_CHIPID(minfo.chipid),
  			       minfo.irom.major, minfo.irom.minor,
  			       minfo.irom.build, minfo.fw.major,
  			       minfo.fw.minor, minfo.fw.build);
  		} else { /* Unknown type */
  			int i;
  			printf("Event %02x (%04x) [", u.r.type, u.r.data);
  			for (i = 0; i < PD_LOG_SIZE(u.r.size_port); i++)
  				printf("%02x ", u.r.payload[i]);
  			printf("]\n");
  		}
  	}
  
  	return 0;
  }
  
  int cmd_pd_control(int argc, char *argv[])
  {
  	struct ec_params_pd_control p;
  	int rv;
  
  	if (argc < 2) {
  		fprintf(stderr, "Missing parameter\n");
  		return -1;
  	}
  
  	/* Parse command */
  	if (!strcmp(argv[1], "reset"))
  		p.subcmd = PD_RESET;
  	else if (!strcmp(argv[1], "suspend"))
  		p.subcmd = PD_SUSPEND;
  	else if (!strcmp(argv[1], "resume"))
  		p.subcmd = PD_RESUME;
  	else if (!strcmp(argv[1], "disable"))
  		p.subcmd = PD_CONTROL_DISABLE;
  	else if (!strcmp(argv[1], "on") || !strcmp(argv[1], "chip_on"))
  		p.subcmd = PD_CHIP_ON;
  	else {
  		fprintf(stderr, "Unknown command: %s\n", argv[1]);
  		return -1;
  	}
  
  	if (argc == 2) {
  		p.chip = 0;
  	} else {
  		char *e;
  		p.chip = strtol(argv[2], &e, 0);
  		if (e && *e) {
  			fprintf(stderr, "Bad port number '%s'.\n", argv[2]);
  			return -1;
  		}
  	}
  
  	rv = ec_command(EC_CMD_PD_CONTROL, 0, &p, sizeof(p), NULL, 0);
  	return (rv < 0 ? rv : 0);
  }
  
  int cmd_pd_chip_info(int argc, char *argv[])
  {
  	struct ec_params_pd_chip_info p;
  	struct ec_response_pd_chip_info_v1 r;
  	char *e;
  	int rv;
  	int cmdver = 1;
  
  	if (argc < 2 || 3 < argc) {
  		fprintf(stderr, "Usage: %s <port> [<live>]\n"
  			"live parameter can take values 0 or 1\n"
  			"0 -> Return hard-coded value for VID/PID and\n"
  			"     cached value for Firmware Version\n"
  			"1 -> Return live chip value for VID/PID/FW Version\n",
  			argv[0]);
  		return -1;
  	}
  
  	p.port = strtol(argv[1], &e, 0);
  	if (e && *e) {
  		fprintf(stderr, "Bad port number.\n");
  		return -1;
  	}
  
  	p.live = 0;
  	if (argc == 3) {
  		p.live = strtol(argv[2], &e, 0);
  		if (e && *e) {
  			fprintf(stderr, "invalid arg \"%s\"\n", argv[2]);
  			return -1;
  		}
  	}
  
  	if (!ec_cmd_version_supported(EC_CMD_PD_CHIP_INFO, cmdver))
  		cmdver = 0;
  
  	rv = ec_command(EC_CMD_PD_CHIP_INFO, cmdver, &p, sizeof(p), &r,
  			sizeof(r));
  	if (rv < 0)
  		return rv;
  
  	printf("vendor_id: 0x%x\n", r.vendor_id);
  	printf("product_id: 0x%x\n", r.product_id);
  	printf("device_id: 0x%x\n", r.device_id);
  
  	if (r.fw_version_number != -1)
  		printf("fw_version: 0x%" PRIx64 "\n", r.fw_version_number);
  	else
  		printf("fw_version: UNSUPPORTED\n");
  
  	if (cmdver >= 1)
  		printf("min_req_fw_version: 0x%" PRIx64 "\n",
  		       r.min_req_fw_version_number);
  	else
  		printf("min_req_fw_version: UNSUPPORTED\n");
  
  	return 0;
  }
  
  int cmd_pd_write_log(int argc, char *argv[])
  {
  	struct ec_params_pd_write_log_entry p;
  	char *e;
  
  	if (argc < 3) {
  		fprintf(stderr, "Usage: %s <log_type> <port>\n",
  			argv[0]);
  		return -1;
  	}
  
  	if (!strcasecmp(argv[1], "charge"))
  		p.type = PD_EVENT_MCU_CHARGE;
  	else {
  		p.type = strtol(argv[1], &e, 0);
  		if (e && *e) {
  			fprintf(stderr, "Bad log_type parameter.\n");
  			return -1;
  		}
  	}
  
  	p.port = strtol(argv[2], &e, 0);
  	if (e && *e) {
  		fprintf(stderr, "Bad port parameter.\n");
  		return -1;
  	}
  
  	return ec_command(EC_CMD_PD_WRITE_LOG_ENTRY, 0, &p, sizeof(p), NULL, 0);
  }
  
  int cmd_typec_control(int argc, char *argv[])
  {
  	struct ec_params_typec_control p;
  	long conversion_result;
  	char *endptr;
  	int rv;
  
  	if (argc < 3) {
  		fprintf(stderr,
  			"Usage: %s <port> <command> [args]\n"
  			"  <port> is the type-c port to query\n"
  			"  <command> is one of:\n"
  			"    0: Exit modes\n"
  			"    1: Clear events\n"
  			"        args: <event mask>\n"
  			"    2: Enter mode\n"
  			"        args: <0: DP, 1:TBT, 2:USB4>\n",
  			argv[0]);
  		return -1;
  	}
  
  	p.port = strtol(argv[1], &endptr, 0);
  	if (endptr && *endptr) {
  		fprintf(stderr, "Bad port\n");
  		return -1;
  	}
  
  	p.command = strtol(argv[2], &endptr, 0);
  	if (endptr && *endptr) {
  		fprintf(stderr, "Bad command\n");
  		return -1;
  	}
  
  	switch (p.command) {
  	case TYPEC_CONTROL_COMMAND_CLEAR_EVENTS:
  		if (argc < 4) {
  			fprintf(stderr, "Missing event mask\n");
  			return -1;
  		}
  
  		p.clear_events_mask = strtol(argv[3], &endptr, 0);
  		if (endptr && *endptr) {
  			fprintf(stderr, "Bad event mask\n");
  			return -1;
  		}
  		break;
  	case TYPEC_CONTROL_COMMAND_ENTER_MODE:
  		if (argc < 4) {
  			fprintf(stderr, "Missing mode\n");
  			return -1;
  		}
  
  		conversion_result = strtol(argv[3], &endptr, 0);
  		if ((endptr && *endptr) || conversion_result > UINT8_MAX ||
  				conversion_result < 0) {
  			fprintf(stderr, "Bad mode\n");
  			return -1;
  		}
  		p.mode_to_enter = conversion_result;
  	}
  
  	rv = ec_command(EC_CMD_TYPEC_CONTROL, 0, &p, sizeof(p),
  			ec_inbuf, ec_max_insize);
  	if (rv < 0)
  		return -1;
  
  	return 0;
  }
  
  int cmd_typec_discovery(int argc, char *argv[])
  {
  	struct ec_params_typec_discovery p;
  	struct ec_response_typec_discovery *r =
  				(struct ec_response_typec_discovery *)ec_inbuf;
  	char *e;
  	int rv, i, j;
  
  	if (argc < 3) {
  		fprintf(stderr,
  			"Usage: %s <port> <type>\n"
  			"  <port> is the type-c port to query\n"
  			"  <type> is one of:\n"
  			"    0: SOP\n"
  			"    1: SOP prime\n", argv[0]);
  		return -1;
  	}
  
  	p.port = strtol(argv[1], &e, 0);
  	if (e && *e) {
  		fprintf(stderr, "Bad port\n");
  		return -1;
  	}
  
  	p.partner_type = strtol(argv[2], &e, 0);
  	if (e && *e) {
  		fprintf(stderr, "Bad type\n");
  		return -1;
  	}
  
  	rv = ec_command(EC_CMD_TYPEC_DISCOVERY, 0, &p, sizeof(p),
  			ec_inbuf, ec_max_insize);
  	if (rv < 0)
  		return -1;
  
  	if (r->identity_count == 0) {
  		printf("No identity discovered\n");
  		return 0;
  	}
  
  	printf("Identity VDOs:\n");
  	for (i = 0; i < r->identity_count; i++)
  		printf("0x%08x\n", r->discovery_vdo[i]);
  
  	if (r->svid_count == 0) {
  		printf("No SVIDs discovered\n");
  		return 0;
  	}
  
  	for (i = 0; i < r->svid_count; i++) {
  		printf("SVID 0x%04x Modes:\n", r->svids[i].svid);
  		for (j = 0; j < r->svids[i].mode_count; j++)
  			printf("0x%08x\n", r->svids[i].mode_vdo[j]);
  	}
  
  	return 0;
  }
  
  /* Print shared fields of sink and source cap PDOs */
  static inline void print_pdo_fixed(uint32_t pdo)
  {
  	printf("    Fixed: %dmV %dmA %s%s%s%s",
  	       PDO_FIXED_VOLTAGE(pdo),
  	       PDO_FIXED_CURRENT(pdo),
  	       pdo & PDO_FIXED_DUAL_ROLE ? "DRP " : "",
  	       pdo & PDO_FIXED_UNCONSTRAINED ? "UP " : "",
  	       pdo & PDO_FIXED_COMM_CAP ? "USB " : "",
  	       pdo & PDO_FIXED_DATA_SWAP ? "DRD" : "");
  }
  
  static inline void print_pdo_battery(uint32_t pdo)
  {
  	printf("    Battery: max %dmV min %dmV max %dmW\n",
  	       PDO_BATT_MAX_VOLTAGE(pdo),
  	       PDO_BATT_MIN_VOLTAGE(pdo),
  	       PDO_BATT_MAX_POWER(pdo));
  }
  
  static inline void print_pdo_variable(uint32_t pdo)
  {
  	printf("    Variable: max %dmV min %dmV max %dmA\n",
  	       PDO_VAR_MAX_VOLTAGE(pdo),
  	       PDO_VAR_MIN_VOLTAGE(pdo),
  	       PDO_VAR_MAX_CURRENT(pdo));
  }
  
  static inline void print_pdo_augmented(uint32_t pdo)
  {
  	printf("    Augmented: max %dmV min %dmV max %dmA\n",
  	       PDO_AUG_MAX_VOLTAGE(pdo),
  	       PDO_AUG_MIN_VOLTAGE(pdo),
  	       PDO_AUG_MAX_CURRENT(pdo));
  }
  
  int cmd_typec_status(int argc, char *argv[])
  {
  	struct ec_params_typec_status p;
  	struct ec_response_typec_status *r =
  				(struct ec_response_typec_status *)ec_inbuf;
  	char *endptr;
  	int rv, i;
  	const char *desc;
  
  	if (argc != 2) {
  		fprintf(stderr,
  			"Usage: %s <port>\n"
  			"  <port> is the type-c port to query\n", argv[0]);
  		return -1;
  	}
  
  	p.port = strtol(argv[1], &endptr, 0);
  	if (endptr && *endptr) {
  		fprintf(stderr, "Bad port\n");
  		return -1;
  	}
  
  	rv = ec_command(EC_CMD_TYPEC_STATUS, 0, &p, sizeof(p),
  			ec_inbuf, ec_max_insize);
  	if (rv == -EC_RES_INVALID_COMMAND - EECRESULT)
  		/* Fall back to PD_CONTROL to support older ECs */
  		return cmd_usb_pd(argc, argv);
  	else if (rv < 0)
  		return -1;
  
  	printf("Port C%d: %s, %s  State:%s\n"
  	       "Role:%s %s%s, Polarity:CC%d\n",
  		p.port,
  		r->pd_enabled ? "enabled" : "disabled",
  		r->dev_connected ? "connected" : "disconnected",
  		r->tc_state,
  		(r->power_role == PD_ROLE_SOURCE) ? "SRC" : "SNK",
  		(r->data_role == PD_ROLE_DFP) ? "DFP" :
  			(r->data_role == PD_ROLE_UFP) ? "UFP" : "",
  		(r->vconn_role == PD_ROLE_VCONN_SRC) ? " VCONN" : "",
  		(r->polarity % 2 + 1));
  
  	switch (r->cc_state) {
  	case PD_CC_NONE:
  		desc = "None";
  		break;
  	case PD_CC_UFP_AUDIO_ACC:
  		desc = "UFP Audio accessory";
  		break;
  	case PD_CC_UFP_DEBUG_ACC:
  		desc = "UFP Debug accessory";
  		break;
  	case PD_CC_UFP_ATTACHED:
  		desc = "UFP attached";
  		break;
  	case PD_CC_DFP_DEBUG_ACC:
  		desc = "DFP Debug accessory";
  		break;
  	case PD_CC_DFP_ATTACHED:
  		desc = "DFP attached";
  		break;
  	default:
  		desc = "UNKNOWN";
  		break;
  	}
  	printf("CC State: %s\n", desc);
  
  	if (r->dp_pin) {
  		switch (r->dp_pin) {
  		case MODE_DP_PIN_A:
  			desc = "A";
  			break;
  		case MODE_DP_PIN_B:
  			desc = "B";
  			break;
  		case MODE_DP_PIN_C:
  			desc = "C";
  			break;
  		case MODE_DP_PIN_D:
  			desc = "D";
  			break;
  		case MODE_DP_PIN_E:
  			desc = "E";
  			break;
  		case MODE_DP_PIN_F:
  			desc = "F";
  			break;
  		default:
  			desc = "UNKNOWN";
  			break;
  		}
  		printf("DP pin mode: %s\n", desc);
  	}
  
  	if (r->mux_state) {
  		printf("MUX: USB=%d DP=%d POLARITY=%s HPD_IRQ=%d HPD_LVL=%d\n"
  		       "     SAFE=%d TBT=%d USB4=%d\n",
  		       !!(r->mux_state & USB_PD_MUX_USB_ENABLED),
  		       !!(r->mux_state & USB_PD_MUX_DP_ENABLED),
  			(r->mux_state & USB_PD_MUX_POLARITY_INVERTED) ?
  						"INVERTED" : "NORMAL",
  		       !!(r->mux_state & USB_PD_MUX_HPD_IRQ),
  		       !!(r->mux_state & USB_PD_MUX_HPD_LVL),
  		       !!(r->mux_state & USB_PD_MUX_SAFE_MODE),
  		       !!(r->mux_state & USB_PD_MUX_TBT_COMPAT_ENABLED),
  		       !!(r->mux_state & USB_PD_MUX_USB4_ENABLED));
  	}
  
  	printf("Port events: 0x%08x\n", r->events);
  
  	if (r->sop_revision)
  		printf("SOP  PD Rev: %d.%d\n",
  		       PD_STATUS_REV_GET_MAJOR(r->sop_revision),
  		       PD_STATUS_REV_GET_MINOR(r->sop_revision));
  
  	if (r->sop_prime_revision)
  		printf("SOP' PD Rev: %d.%d\n",
  		       PD_STATUS_REV_GET_MAJOR(r->sop_prime_revision),
  		       PD_STATUS_REV_GET_MINOR(r->sop_prime_revision));
  
  	for (i = 0; i < r->source_cap_count; i++) {
  		/*
  		 * Bits 31:30 always indicate the type of PDO
  		 *
  		 * Table 6-7 PD Rev 3.0 Ver 2.0
  		 */
  		uint32_t pdo = r->source_cap_pdos[i];
  		int pdo_type = pdo & PDO_TYPE_MASK;
  
  		if (i == 0)
  			printf("Source Capabilities:\n");
  
  		if (pdo_type == PDO_TYPE_FIXED) {
  			print_pdo_fixed(pdo);
  			printf("\n");
  		} else if (pdo_type == PDO_TYPE_BATTERY) {
  			print_pdo_battery(pdo);
  		} else if (pdo_type == PDO_TYPE_VARIABLE) {
  			print_pdo_variable(pdo);
  		} else {
  			print_pdo_augmented(pdo);
  		}
  	}
  
  	for (i = 0; i < r->sink_cap_count; i++) {
  		/*
  		 * Bits 31:30 always indicate the type of PDO
  		 *
  		 * Table 6-7 PD Rev 3.0 Ver 2.0
  		 */
  		uint32_t pdo = r->sink_cap_pdos[i];
  		int pdo_type = pdo & PDO_TYPE_MASK;
  
  		if (i == 0)
  			printf("Sink Capabilities:\n");
  
  		if (pdo_type == PDO_TYPE_FIXED) {
  			print_pdo_fixed(pdo);
  			/* Note: FRS bits are reserved in PD 2.0 spec */
  			printf("%s\n", pdo & PDO_FIXED_FRS_CURR_MASK ?
  			       "FRS" : "");
  		} else if (pdo_type == PDO_TYPE_BATTERY) {
  			print_pdo_battery(pdo);
  		} else if (pdo_type == PDO_TYPE_VARIABLE) {
  			print_pdo_variable(pdo);
  		} else {
  			print_pdo_augmented(pdo);
  		}
  	}
  
  	return 0;
  }
  
  int cmd_tp_self_test(int argc, char* argv[])
  {
  	int rv;
  
  	rv = ec_command(EC_CMD_TP_SELF_TEST, 0, NULL, 0, NULL, 0);
  	if (rv < 0)
  		return rv;
  
  	printf("Touchpad self test: %s\n",
  	       rv == EC_RES_SUCCESS ? "passed" : "failed");
  
  	return rv;
  }
  
  int cmd_tp_frame_get(int argc, char* argv[])
  {
  	int i, j;
  	uint32_t remaining = 0, offset = 0;
  	int rv = EC_SUCCESS;
  	uint8_t *data;
  	struct ec_response_tp_frame_info* r;
  	struct ec_params_tp_frame_get p;
  
  	data = (uint8_t *)(malloc(ec_max_insize));
  	r = (struct ec_response_tp_frame_info *)(malloc(ec_max_insize));
  
  	if (data == NULL || r == NULL) {
  		fprintf(stderr, "Couldn't allocate memory.\n");
  		free(r);
  		free(data);
  		return EC_ERROR_UNKNOWN;
  	}
  
  	rv = ec_command(EC_CMD_TP_FRAME_INFO, 0, NULL, 0, r, ec_max_insize);
  	if (rv < 0) {
  		fprintf(stderr, "Failed to get touchpad frame info.\n");
  		goto err;
  	}
  
  	rv = ec_command(EC_CMD_TP_FRAME_SNAPSHOT, 0, NULL, 0, NULL, 0);
  	if (rv < 0) {
  		fprintf(stderr, "Failed to snapshot frame.\n");
  		goto err;
  	}
  
  	for (i = 0; i < r->n_frames; i++) {
  		p.frame_index = i;
  		offset = 0;
  		remaining = r->frame_sizes[i];
  
  		while (remaining > 0) {
  			p.offset = offset;
  			p.size = MIN(remaining, ec_max_insize);
  
  			rv = ec_command(EC_CMD_TP_FRAME_GET, 0,
  					&p, sizeof(p), data, p.size);
  			if (rv < 0) {
  				fprintf(stderr, "Failed to get frame data "
  						"at offset 0x%x\n", offset);
  				goto err;
  			}
  
  			for (j = 0; j < p.size; j++)
  				printf("%02x ", data[j]);
  
  			offset += p.size;
  			remaining -= p.size;
  		}
  		printf("\n");
  	}
  
  err:
  	free(data);
  	free(r);
  
  	return rv < 0;
  }
  
  int cmd_wait_event(int argc, char *argv[])
  {
  	int rv, i;
  	struct ec_response_get_next_event_v1 buffer;
  	long timeout = 5000;
  	long event_type;
  	char *e;
  
  	if (!ec_pollevent) {
  		fprintf(stderr, "Polling for MKBP event not supported\n");
  		return -EINVAL;
  	}
  
  	if (argc < 2) {
  		fprintf(stderr, "Usage: %s <type> [<timeout>]\n",
  			argv[0]);
  		return -1;
  	}
  
  	event_type = strtol(argv[1], &e, 0);
  	if ((e && *e) || event_type < 0 || event_type >= EC_MKBP_EVENT_COUNT) {
  		fprintf(stderr, "Bad event type '%s'.\n", argv[1]);
  		return -1;
  	}
  	if (argc >= 3) {
  		timeout = strtol(argv[2], &e, 0);
  		if (e && *e) {
  			fprintf(stderr, "Bad timeout value '%s'.\n", argv[2]);
  			return -1;
  		}
  	}
  
  	rv = wait_event(event_type, &buffer, sizeof(buffer), timeout);
  	if (rv < 0)
  		return rv;
  
  	printf("MKBP event %d data: ", buffer.event_type);
  	for (i = 0; i < rv - 1; ++i)
  		printf("%02x ", buffer.data.key_matrix[i]);
  	printf("\n");
  
  	return 0;
  }
  
  static void cmd_cec_help(const char *cmd)
  {
  	fprintf(stderr,
  		"  Usage: %s write [write bytes...]\n"
  		"    Write message on the CEC bus\n"
  		"  Usage: %s read [timeout]\n"
  		"    [timeout] in seconds\n"
  		"  Usage: %s get <param>\n"
  		"  Usage: %s set <param> <val>\n"
  		"    <param> is one of:\n"
  		"      address: CEC receive address\n"
  		"        <val> is the new CEC address\n"
  		"      enable: Enable or disable CEC\n"
  		"        <val> is 1 to enable, 0 to disable\n",
  		cmd, cmd, cmd, cmd);
  
  }
  
  static int cmd_cec_write(int argc, char *argv[])
  {
  	char *e;
  	long val;
  	int rv, i, msg_len;
  	struct ec_params_cec_write p;
  	struct ec_response_get_next_event_v1 buffer;
  
  	if (argc < 3 || argc > 18) {
  		fprintf(stderr, "Invalid number of params\n");
  		cmd_cec_help(argv[0]);
  		return -1;
  	}
  
  	msg_len = argc - 2;
  	for (i = 0; i < msg_len; i++) {
  		val = strtol(argv[i + 2], &e, 16);
  		if (e && *e)
  			return -1;
  		if (val < 0 || val > 0xff)
  			return -1;
  		p.msg[i] = (uint8_t)val;
  	}
  
  	printf("Write to CEC: ");
  	for (i = 0; i < msg_len; i++)
  		printf("0x%02x ", p.msg[i]);
  	printf("\n");
  
  	rv = ec_command(EC_CMD_CEC_WRITE_MSG, 0, &p, msg_len, NULL, 0);
  	if (rv < 0)
  		return rv;
  
  	rv = wait_event(EC_MKBP_EVENT_CEC_EVENT, &buffer, sizeof(buffer), 1000);
  	if (rv < 0)
  		return rv;
  
  	if (buffer.data.cec_events & EC_MKBP_CEC_SEND_OK)
  		return 0;
  
  	if (buffer.data.cec_events & EC_MKBP_CEC_SEND_FAILED) {
  		fprintf(stderr, "Send failed\n");
  		return -1;
  	}
  
  	fprintf(stderr, "No send result received\n");
  
  	return -1;
  }
  
  static int cmd_cec_read(int argc, char *argv[])
  {
  	int i, rv;
  	char *e;
  	struct ec_response_get_next_event_v1 buffer;
  	long timeout = 5000;
  
  	if (!ec_pollevent) {
  		fprintf(stderr, "Polling for MKBP event not supported\n");
  		return -EINVAL;
  	}
  
  	if (argc >= 3) {
  		timeout = strtol(argv[2], &e, 0);
  		if (e && *e) {
  			fprintf(stderr, "Bad timeout value '%s'.\n", argv[2]);
  			return -1;
  		}
  	}
  
  	rv = wait_event(EC_MKBP_EVENT_CEC_MESSAGE, &buffer,
  			sizeof(buffer), timeout);
  	if (rv < 0)
  		return rv;
  
  	printf("CEC data: ");
  	for (i = 0; i < rv - 1; i++)
  		printf("0x%02x ", buffer.data.cec_message[i]);
  	printf("\n");
  
  	return 0;
  }
  
  static int cec_cmd_from_str(const char *str)
  {
  	if (!strcmp("address", str))
  		return CEC_CMD_LOGICAL_ADDRESS;
  	if (!strcmp("enable", str))
  		return CEC_CMD_ENABLE;
  	return -1;
  }
  
  static int cmd_cec_set(int argc, char *argv[])
  {
  	char *e;
  	struct ec_params_cec_set p;
  	uint8_t val;
  	int cmd;
  
  	if (argc != 4) {
  		fprintf(stderr, "Invalid number of params\n");
  		cmd_cec_help(argv[0]);
  		return -1;
  	}
  
  	val = (uint8_t)strtol(argv[3], &e, 0);
  	if (e && *e) {
  		fprintf(stderr, "Bad parameter '%s'.\n", argv[3]);
  		return -1;
  	}
  
  	cmd = cec_cmd_from_str(argv[2]);
  	if (cmd < 0) {
  		fprintf(stderr, "Invalid command '%s'.\n", argv[2]);
  		return -1;
  	}
  	p.cmd = cmd;
  	p.val = val;
  
  	return ec_command(EC_CMD_CEC_SET,
  			  0, &p, sizeof(p), NULL, 0);
  }
  
  
  static int cmd_cec_get(int argc, char *argv[])
  {
  	int rv, cmd;
  	struct ec_params_cec_get p;
  	struct ec_response_cec_get r;
  
  
  	if (argc != 3) {
  		fprintf(stderr, "Invalid number of params\n");
  		cmd_cec_help(argv[0]);
  		return -1;
  	}
  
  	cmd = cec_cmd_from_str(argv[2]);
  	if (cmd < 0) {
  		fprintf(stderr, "Invalid command '%s'.\n", argv[2]);
  		return -1;
  	}
  	p.cmd = cmd;
  
  
  	rv = ec_command(EC_CMD_CEC_GET, 0, &p, sizeof(p), &r, sizeof(r));
  	if (rv < 0)
  		return rv;
  
  	printf("%d\n", r.val);
  
  	return 0;
  }
  
  int cmd_cec(int argc, char *argv[])
  {
  	if (argc < 2) {
  		fprintf(stderr, "Invalid number of params\n");
  		cmd_cec_help(argv[0]);
  		return -1;
  	}
  	if (!strcmp(argv[1], "write"))
  		return cmd_cec_write(argc, argv);
  	if (!strcmp(argv[1], "read"))
  		return cmd_cec_read(argc, argv);
  	if (!strcmp(argv[1], "get"))
  		return cmd_cec_get(argc, argv);
  	if (!strcmp(argv[1], "set"))
  		return cmd_cec_set(argc, argv);
  
  	fprintf(stderr, "Invalid sub command: %s\n", argv[1]);
  	cmd_cec_help(argv[0]);
  
  	return -1;
  }
  
  void hexdump(const uint8_t *data, int len)
  {
  	int i, j;
  
  	if (!data || !len)
  		return;
  
  	for (i = 0; i < len; i += 16) {
  		/* Left column (Hex) */
  		for (j = i; j < i + 16; j++) {
  			if (j < len)
  				fprintf(stderr, " %02x", data[j]);
  			else
  				fprintf(stderr, "   ");
  		}
  		/* Right column (ASCII) */
  		fprintf(stderr, " |");
  		for (j = i; j < i + 16; j++) {
  			int c = j < len ? data[j] : ' ';
  			fprintf(stderr, "%c", isprint(c) ? c : '.');
  		}
  		fprintf(stderr, "|\n");
  	}
  }
  
  int cmd_fw_charge_limit(int argc, char *argv[])
  {
  	struct fw_ec_params_charge_limit p;
  	struct fw_ec_response_charge_limit r;
  	char* e;
  	int rv;
  
  	p.flags = FW_EC_CHARGE_LIMIT_QUERY;
  
  	if (argc > 1) {
  		p.flags |= FW_EC_CHARGE_LIMIT_SET;
  		p.limit = (uint16_t)strtol(argv[1], &e, 0);
  		if (e && *e) {
  			fprintf(stderr, "invalid argument \"%s\"\n", argv[1]);
  			return 1;
  		}
  	}
  
  	rv = ec_command(FW_EC_CMD_CHARGE_LIMIT, 0, &p, sizeof(p), &r, sizeof(r));
  	if (rv < 0) {
  		return rv;
  	}
  
  	printf("%d\n", (int)r.limit);
  	return 0;
  }
  
  int cmd_raw(int argc, char **argv)
  {
  	char *e;
  	char *wrbuf = NULL;
  	char *rdbuf = NULL;
  	int wrsz = 0, rdsz = 0;
  	uint16_t command = 0;
  	int rv = 1;
  
  	if (argc < 2) {
  		fprintf(stderr, "Usage: %s [command] [writes]\r\n", argv[0]);
  		goto out;
  	}
  
  	command = (uint16_t)strtoul(argv[1], &e, 0);
  	if (e && *e) {
  		fprintf(stderr, "Invalid command \"%s\"\r\n", argv[1]);
  		goto out;
  	}
  
  	if (argc > 2) {
  		char t;
  		unsigned long long v;
  		char *bptr;
  		wrbuf = malloc(256);
  		bptr = wrbuf;
  		e = argv[2];
  		while (*e) {
  			t = *e++;
  			v = strtoull(e, &e, 16);
  			switch (t) {
  			case 'b': {
  				uint8_t nv = (uint8_t)v;
  				memcpy(bptr, &nv, sizeof(nv));
  				bptr += sizeof(nv);
  				break;
  			}
  			case 'w': {
  				uint16_t nv = (uint16_t)v;
  				memcpy(bptr, &nv, sizeof(nv));
  				bptr += sizeof(nv);
  				break;
  			}
  			case 'd': {
  				uint32_t nv = (uint32_t)v;
  				memcpy(bptr, &nv, sizeof(nv));
  				bptr += sizeof(nv);
  				break;
  			}
  			case 'q': {
  				uint64_t nv = (uint64_t)v;
  				memcpy(bptr, &nv, sizeof(nv));
  				bptr += sizeof(nv);
  				break;
  			}
  			default:
  				fprintf(stderr,
  					"Invalid typecode '%c' at position %ld.\r\n",
  					t, (long)(e - argv[2]));
  				goto out;
  			}
  			if (*e == ',')
  				++e;
  		}
  		wrsz = bptr - wrbuf;
  	}
  
  	fprintf(stderr, "%4.04x(...%u bytes...)\r\n", command, wrsz);
  	hexdump(wrbuf, wrsz);
  
  	rdbuf = malloc(256);
  	rdsz = 256;
  	rdsz = ec_command(command, 0, wrbuf, wrsz, rdbuf, rdsz);
  	if (rdsz < 0) {
  		fprintf(stderr, "EC Error\r\n");
  		goto out;
  	}
  
  	fprintf(stderr, "Read %u bytes\r\n", rdsz);
  	hexdump(rdbuf, rdsz);
  	rv = 0;
  
  out:
  	free(wrbuf);
  	free(rdbuf);
  	return !!rv;
  }
  
  /* NULL-terminated list of commands */
  const struct command commands[] = {
  	{"adcread", cmd_adc_read},
  	{"addentropy", cmd_add_entropy},
  	{"apreset", cmd_apreset},
  	{"autofanctrl", cmd_thermal_auto_fan_ctrl},
  	{"backlight", cmd_lcd_backlight},
  	{"basestate", cmd_basestate},
  	{"battery", cmd_battery},
  	{"batterycutoff", cmd_battery_cut_off},
  	{"batteryparam", cmd_battery_vendor_param},
  	{"boardversion", cmd_board_version},
  	{"button", cmd_button},
  	{"cbi", cmd_cbi},
  	{"chargecurrentlimit", cmd_charge_current_limit},
  	{"chargecontrol", cmd_charge_control},
  	{"chargeoverride", cmd_charge_port_override},
  	{"chargestate", cmd_charge_state},
  	{"chipinfo", cmd_chipinfo},
  	{"cmdversions", cmd_cmdversions},
  	{"console", cmd_console},
  	{"cec", cmd_cec},
  	{"echash", cmd_ec_hash},
  	{"eventclear", cmd_host_event_clear},
  	{"eventclearb", cmd_host_event_clear_b},
  	{"eventget", cmd_host_event_get_raw},
  	{"eventgetb", cmd_host_event_get_b},
  	{"eventgetscimask", cmd_host_event_get_sci_mask},
  	{"eventgetsmimask", cmd_host_event_get_smi_mask},
  	{"eventgetwakemask", cmd_host_event_get_wake_mask},
  	{"eventsetscimask", cmd_host_event_set_sci_mask},
  	{"eventsetsmimask", cmd_host_event_set_smi_mask},
  	{"eventsetwakemask", cmd_host_event_set_wake_mask},
  	{"extpwrlimit", cmd_ext_power_limit},
  	{"fanduty", cmd_fanduty},
  	{"flasherase", cmd_flash_erase},
  	{"flasheraseasync", cmd_flash_erase},
  	{"flashprotect", cmd_flash_protect},
  	{"flashread", cmd_flash_read},
  	{"flashwrite", cmd_flash_write},
  	{"flashinfo", cmd_flash_info},
  	{"flashspiinfo", cmd_flash_spi_info},
  	{"flashpd", cmd_flash_pd},
  	{"forcelidopen", cmd_force_lid_open},
  	{"fpcontext", cmd_fp_context},
  	{"fpencstatus", cmd_fp_enc_status},
  	{"fpframe", cmd_fp_frame},
  	{"fpinfo", cmd_fp_info},
  	{"fpmode", cmd_fp_mode},
  	{"fpseed", cmd_fp_seed},
  	{"fpstats", cmd_fp_stats},
  	{"fptemplate", cmd_fp_template},
  	{"fwchargelimit", cmd_fw_charge_limit},
  	{"gpioget", cmd_gpio_get},
  	{"gpioset", cmd_gpio_set},
  	{"hangdetect", cmd_hang_detect},
  	{"hello", cmd_hello},
  	{"hibdelay", cmd_hibdelay},
  	{"hostevent", cmd_hostevent},
  	{"hostsleepstate", cmd_hostsleepstate},
  	{"locatechip", cmd_locate_chip},
  	{"i2cprotect", cmd_i2c_protect},
  	{"i2cread", cmd_i2c_read},
  	{"i2cspeed", cmd_i2c_speed},
  	{"i2cwrite", cmd_i2c_write},
  	{"i2cxfer", cmd_i2c_xfer},
  	{"infopddev", cmd_pd_device_info},
  	{"inventory", cmd_inventory},
  	{"led", cmd_led},
  	{"lightbar", cmd_lightbar},
  	{"kbfactorytest", cmd_keyboard_factory_test},
  	{"kbid", cmd_kbid},
  	{"kbinfo", cmd_kbinfo},
  	{"kbpress", cmd_kbpress},
  	{"keyconfig", cmd_keyconfig},
  	{"keyscan", cmd_keyscan},
  	{"mkbpget", cmd_mkbp_get},
  	{"mkbpwakemask", cmd_mkbp_wake_mask},
  	{"motionsense", cmd_motionsense},
  	{"nextevent", cmd_next_event},
  	{"panicinfo", cmd_panic_info},
  	{"pause_in_s5", cmd_s5},
  	{"pchg", cmd_pchg},
  	{"pdgetmode", cmd_pd_get_amode},
  	{"pdsetmode", cmd_pd_set_amode},
  	{"port80read", cmd_port80_read},
  	{"pdlog", cmd_pd_log},
  	{"pdcontrol", cmd_pd_control},
  	{"pdchipinfo", cmd_pd_chip_info},
  	{"pdwritelog", cmd_pd_write_log},
  	{"powerinfo", cmd_power_info},
  	{"protoinfo", cmd_proto_info},
  	{"pse", cmd_pse},
  	{"pstoreinfo", cmd_pstore_info},
  	{"pstoreread", cmd_pstore_read},
  	{"pstorewrite", cmd_pstore_write},
  	{"pwmgetfanrpm", cmd_pwm_get_fan_rpm},
  	{"pwmgetkblight", cmd_pwm_get_keyboard_backlight},
  	{"pwmgetnumfans", cmd_pwm_get_num_fans},
  	{"pwmgetduty", cmd_pwm_get_duty},
  	{"pwmsetfanrpm", cmd_pwm_set_fan_rpm},
  	{"pwmsetkblight", cmd_pwm_set_keyboard_backlight},
  	{"pwmsetduty", cmd_pwm_set_duty},
  	{"rand", cmd_rand},
  	{"raw", cmd_raw},
  	{"readtest", cmd_read_test},
  	{"reboot_ec", cmd_reboot_ec},
  	{"rollbackinfo", cmd_rollback_info},
  	{"rtcget", cmd_rtc_get},
  	{"rtcgetalarm", cmd_rtc_get_alarm},
  	{"rtcset", cmd_rtc_set},
  	{"rtcsetalarm", cmd_rtc_set_alarm},
  	{"rwhashpd", cmd_rw_hash_pd},
  	{"rwsig", cmd_rwsig},
  	{"rwsigaction", cmd_rwsig_action_legacy},
  	{"rwsigstatus", cmd_rwsig_status},
  	{"sertest", cmd_serial_test},
  	{"smartdischarge", cmd_smart_discharge},
  	{"stress", cmd_stress_test},
  	{"sysinfo", cmd_sysinfo},
  	{"port80flood", cmd_port_80_flood},
  	{"switches", cmd_switches},
  	{"temps", cmd_temperature},
  	{"tempsinfo", cmd_temp_sensor_info},
  	{"test", cmd_test},
  	{"thermalget", cmd_thermal_get_threshold},
  	{"thermalset", cmd_thermal_set_threshold},
  	{"tpselftest", cmd_tp_self_test},
  	{"tpframeget", cmd_tp_frame_get},
  	{"tmp006cal", cmd_tmp006cal},
  	{"tmp006raw", cmd_tmp006raw},
  	{"typeccontrol", cmd_typec_control},
  	{"typecdiscovery", cmd_typec_discovery},
  	{"typecstatus", cmd_typec_status},
  	{"uptimeinfo", cmd_uptimeinfo},
  	{"usbchargemode", cmd_usb_charge_set_mode},
  	{"usbmux", cmd_usb_mux},
  	{"usbpd", cmd_usb_pd},
  	{"usbpdmuxinfo", cmd_usb_pd_mux_info},
  	{"usbpdpower", cmd_usb_pd_power},
  	{"version", cmd_version},
  	{"waitevent", cmd_wait_event},
  	{"wireless", cmd_wireless},
  	{"reboot_ap_on_g3", cmd_reboot_ap_on_g3},
  	{NULL, NULL}
  };
  
  int main(int argc, char *argv[])
  {
  	const struct command *cmd;
  	int dev = 0;
  	int interfaces = COMM_ALL;
  	int i2c_bus = -1;
  	char device_name[41] = CROS_EC_DEV_NAME;
  	int rv = 1;
  	int parse_error = 0;
  	char *e;
  	int i;
  
  	BUILD_ASSERT(ARRAY_SIZE(lb_command_paramcount) == LIGHTBAR_NUM_CMDS);
  
  	while ((i = getopt_long(argc, argv, "?", long_opts, NULL)) != -1) {
  		switch (i) {
  		case '?':
  			/* Unhandled option */
  			parse_error = 1;
  			break;
  
  		case OPT_DEV:
  			dev = strtoull(optarg, &e, 0);
  			if (!*optarg || (e && *e)) {
  				fprintf(stderr, "Invalid --dev\n");
  				parse_error = 1;
  			}
  			break;
  
  		case OPT_INTERFACE:
  			if (!strcasecmp(optarg, "dev")) {
  				interfaces = COMM_DEV;
  			} else if (!strcasecmp(optarg, "fwk") || !strcasecmp(optarg, "lpc")) {
  				// Compatibility alias (fwk => lpc)
  				interfaces = COMM_LPC;
  			} else if (!strcasecmp(optarg, "i2c")) {
  				interfaces = COMM_I2C;
  			} else if (!strcasecmp(optarg, "servo")) {
  				interfaces = COMM_SERVO;
  			} else {
  				fprintf(stderr, "Invalid --interface\n");
  				parse_error = 1;
  			}
  			break;
  		case OPT_NAME:
  			strncpy(device_name, optarg, 40);
  			device_name[40] = '\0';
  			break;
  		case OPT_I2C_BUS:
  			i2c_bus = strtoull(optarg, &e, 0);
  			if (*optarg == '\0' || (e && *e != '\0')
  			    || i2c_bus < 0) {
  				fprintf(stderr, "Invalid --i2c_bus\n");
  				parse_error = 1;
  			}
  			break;
  		case OPT_ASCII:
  			ascii_mode = 1;
  			break;
  		}
  	}
  
  	if (i2c_bus != -1)  {
  		if (!(interfaces & COMM_I2C)) {
  			fprintf(stderr, "--i2c_bus is specified, but --interface is set to something other than I2C\n");
  			parse_error = 1;
  		} else {
  			interfaces = COMM_I2C;
  		}
  	}
  
  	/* Must specify a command */
  	if (!parse_error && optind == argc)
  		parse_error = 1;
  
  	/* 'ectool help' prints help with commands */
  	if (!parse_error && !strcasecmp(argv[optind], "help")) {
  		print_help(argv[0], 1);
  		exit(1);
  	}
  
  	/* Handle sub-devices command offset */
  	if (dev > 0 && dev < 4) {
  		set_command_offset(EC_CMD_PASSTHRU_OFFSET(dev));
  	} else if (dev == 8) {
  		/* Special offset for Fingerprint MCU */
  		strcpy(device_name, "cros_fp");
  	} else if (dev != 0) {
  		fprintf(stderr, "Bad device number %d\n", dev);
  		parse_error = 1;
  	}
  
  	if (parse_error) {
  		print_help(argv[0], 0);
  		exit(1);
  	}
  
  	/* Prefer /dev method, which supports built-in mutex */
  	if (!(interfaces & COMM_DEV) || comm_init_dev(device_name)) {
  		/* If dev is excluded or isn't supported, find alternative */
  		if (acquire_gec_lock(GEC_LOCK_TIMEOUT_SECS) < 0) {
  			fprintf(stderr, "Could not acquire GEC lock.\n");
  			exit(1);
  		}
  		if (comm_init_alt(interfaces, device_name, i2c_bus)) {
  			fprintf(stderr, "Couldn't find EC\n");
  			goto out;
  		}
  	}
  
  	if (comm_init_buffer()) {
  		fprintf(stderr, "Couldn't initialize buffers\n");
  		goto out;
  	}
  
  	/* Handle commands */
  	for (cmd = commands; cmd->name; cmd++) {
  		if (!strcasecmp(argv[optind], cmd->name)) {
  			rv = cmd->handler(argc - optind, argv + optind);
  			goto out;
  		}
  	}
  
  	/* If we're still here, command was unknown */
  	fprintf(stderr, "Unknown command '%s'\n\n", argv[optind]);
  	print_help(argv[0], 0);
  
  out:
  	release_gec_lock();
  	return !!rv;
  }
  