text: /* Copyright 2019 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.
   */
  
  /* Mushu board-specific configuration */
  
  #include "adc.h"
  #include "button.h"
  #include "common.h"
  #include "cros_board_info.h"
  #include "driver/accel_bma2x2.h"
  #include "driver/accelgyro_bmi_common.h"
  #include "driver/als_tcs3400.h"
  #include "driver/bc12/pi3usb9201.h"
  #include "driver/ppc/sn5s330.h"
  #include "driver/tcpm/anx7447.h"
  #include "driver/tcpm/ps8xxx.h"
  #include "driver/tcpm/tcpci.h"
  #include "driver/temp_sensor/amd_r19me4070.h"
  #include "driver/temp_sensor/f75303.h"
  #include "ec_commands.h"
  #include "extpower.h"
  #include "fan.h"
  #include "fan_chip.h"
  #include "gpio.h"
  #include "hooks.h"
  #include "host_command.h"
  #include "lid_switch.h"
  #include "power.h"
  #include "power_button.h"
  #include "pwm.h"
  #include "pwm_chip.h"
  #include "spi.h"
  #include "switch.h"
  #include "system.h"
  #include "task.h"
  #include "temp_sensor.h"
  #include "thermal.h"
  #include "temp_sensor/thermistor.h"
  #include "uart.h"
  #include "usb_charge.h"
  #include "usb_pd.h"
  #include "usbc_ppc.h"
  #include "util.h"
  
  #define CPRINTS(format, args...) cprints(CC_USBCHARGE, format, ## args)
  #define CPRINTF(format, args...) cprintf(CC_USBCHARGE, format, ## args)
  
  /* GPIO to enable/disable the USB Type-A port. */
  const int usb_port_enable[CONFIG_USB_PORT_POWER_SMART_PORT_COUNT] = {
  	GPIO_EN_USB_A_5V,
  };
  
  static void ppc_interrupt(enum gpio_signal signal)
  {
  	switch (signal) {
  	case GPIO_USB_C0_PPC_INT_ODL:
  		sn5s330_interrupt(0);
  		break;
  
  	case GPIO_USB_C1_PPC_INT_ODL:
  		sn5s330_interrupt(1);
  		break;
  
  	default:
  		break;
  	}
  }
  
  static void tcpc_alert_event(enum gpio_signal signal)
  {
  	int port = -1;
  
  	switch (signal) {
  	case GPIO_USB_C0_TCPC_INT_ODL:
  		port = 0;
  		break;
  	case GPIO_USB_C1_TCPC_INT_ODL:
  		port = 1;
  		break;
  	default:
  		return;
  	}
  
  	schedule_deferred_pd_interrupt(port);
  }
  
  static void hdmi_hpd_interrupt(enum gpio_signal signal)
  {
  	baseboard_mst_enable_control(MST_HDMI, gpio_get_level(signal));
  }
  
  static void bc12_interrupt(enum gpio_signal signal)
  {
  	switch (signal) {
  	case GPIO_USB_C0_BC12_INT_ODL:
  		task_set_event(TASK_ID_USB_CHG_P0, USB_CHG_EVENT_BC12);
  		break;
  
  	case GPIO_USB_C1_BC12_INT_ODL:
  		task_set_event(TASK_ID_USB_CHG_P1, USB_CHG_EVENT_BC12);
  		break;
  
  	default:
  		break;
  	}
  }
  
  #include "gpio_list.h" /* Must come after other header files. */
  
  /******************************************************************************/
  /* SPI devices */
  const struct spi_device_t spi_devices[] = {
  };
  const unsigned int spi_devices_used = ARRAY_SIZE(spi_devices);
  
  /******************************************************************************/
  /* PWM channels. Must be in the exactly same order as in enum pwm_channel. */
  const struct pwm_t pwm_channels[] = {
  	[PWM_CH_KBLIGHT]   = { .channel = 3, .flags = 0, .freq = 10000 },
  	[PWM_CH_FAN] = {.channel = 5, .flags = PWM_CONFIG_OPEN_DRAIN,
  			.freq = 25000},
  	[PWM_CH_FAN2] = {.channel = 6, .flags = PWM_CONFIG_OPEN_DRAIN,
  			.freq = 25000},
  };
  BUILD_ASSERT(ARRAY_SIZE(pwm_channels) == PWM_CH_COUNT);
  
  /******************************************************************************/
  /* USB-C TPCP Configuration */
  const struct tcpc_config_t tcpc_config[CONFIG_USB_PD_PORT_MAX_COUNT] = {
  	[USB_PD_PORT_TCPC_0] = {
  		.bus_type = EC_BUS_TYPE_I2C,
  		.i2c_info = {
  			.port = I2C_PORT_TCPC0,
  			.addr_flags = AN7447_TCPC0_I2C_ADDR_FLAGS,
  		},
  		.drv = &anx7447_tcpm_drv,
  		.flags = TCPC_FLAGS_RESET_ACTIVE_HIGH,
  	},
  	[USB_PD_PORT_TCPC_1] = {
  		.bus_type = EC_BUS_TYPE_I2C,
  		.i2c_info = {
  			.port = I2C_PORT_TCPC1,
  			.addr_flags = PS8751_I2C_ADDR1_FLAGS,
  		},
  		.drv = &ps8xxx_tcpm_drv,
  	},
  };
  
  const struct usb_mux usb_muxes[CONFIG_USB_PD_PORT_MAX_COUNT] = {
  	[USB_PD_PORT_TCPC_0] = {
  		.usb_port = USB_PD_PORT_TCPC_0,
  		.driver = &anx7447_usb_mux_driver,
  		.hpd_update = &anx7447_tcpc_update_hpd_status,
  	},
  	[USB_PD_PORT_TCPC_1] = {
  		.usb_port = USB_PD_PORT_TCPC_1,
  		.driver = &tcpci_tcpm_usb_mux_driver,
  		.hpd_update = &ps8xxx_tcpc_update_hpd_status,
  	}
  };
  
  const struct pi3usb9201_config_t pi3usb9201_bc12_chips[] = {
  	[USB_PD_PORT_TCPC_0] = {
  		.i2c_port = I2C_PORT_PPC0,
  		.i2c_addr_flags = PI3USB9201_I2C_ADDR_3_FLAGS,
  	},
  
  	[USB_PD_PORT_TCPC_1] = {
  		.i2c_port = I2C_PORT_TCPC1,
  		.i2c_addr_flags = PI3USB9201_I2C_ADDR_3_FLAGS,
  	},
  };
  
  /******************************************************************************/
  /* Sensors */
  /* Base Sensor mutex */
  static struct mutex g_base_mutex;
  static struct mutex g_lid_mutex;
  
  /* Base accel private data */
  static struct bmi_drv_data_t g_bmi160_data;
  
  /* BMA255 private data */
  static struct accelgyro_saved_data_t g_bma255_data;
  
  /* TCS3400 private data */
  static struct als_drv_data_t g_tcs3400_data = {
  	.als_cal.scale = 1,
  	.als_cal.uscale = 0,
  	.als_cal.offset = 0,
  	.als_cal.channel_scale = {
  		.k_channel_scale = ALS_CHANNEL_SCALE(1.0), /* kc */
  		.cover_scale = ALS_CHANNEL_SCALE(1.0),     /* CT */
  	},
  };
  
  static struct tcs3400_rgb_drv_data_t g_tcs3400_rgb_data = {
  	.calibration.rgb_cal[X] = {
  		.offset = 0,
  		.scale = {
  			.k_channel_scale = ALS_CHANNEL_SCALE(1.0), /* kr */
  			.cover_scale = ALS_CHANNEL_SCALE(1.0)
  		},
  	},
  	.calibration.rgb_cal[Y] = {
  		.offset = 0,
  		.scale = {
  			.k_channel_scale = ALS_CHANNEL_SCALE(1.0), /* kg */
  			.cover_scale = ALS_CHANNEL_SCALE(1.0)
  		},
  	},
  	.calibration.rgb_cal[Z] = {
  		.offset = 0,
  		.scale = {
  			.k_channel_scale = ALS_CHANNEL_SCALE(1.0), /* kb */
  			.cover_scale = ALS_CHANNEL_SCALE(1.0)
  		},
  	},
  	.calibration.irt = INT_TO_FP(1),
  	.saturation.again = TCS_DEFAULT_AGAIN,
  	.saturation.atime = TCS_DEFAULT_ATIME,
  };
  
  /* Matrix to rotate accelrator into standard reference frame */
  static const mat33_fp_t base_standard_ref = {
  	{ 0, FLOAT_TO_FP(1), 0},
  	{ FLOAT_TO_FP(1), 0, 0},
  	{ 0, 0, FLOAT_TO_FP(-1)}
  };
  
  /*
   * TODO(b/124337208): P0 boards don't have this sensor mounted so the rotation
   * matrix can't be tested properly. This needs to be revisited after EVT to make
   * sure the rotation matrix for the lid sensor is correct.
   */
  static const mat33_fp_t lid_standard_ref = {
  	{ 0, FLOAT_TO_FP(-1), 0},
  	{ FLOAT_TO_FP(-1), 0, 0},
  	{ 0, 0, FLOAT_TO_FP(-1)}
  };
  
  struct motion_sensor_t motion_sensors[] = {
  	[LID_ACCEL] = {
  		.name = "Lid Accel",
  		.active_mask = SENSOR_ACTIVE_S0_S3,
  		.chip = MOTIONSENSE_CHIP_BMA255,
  		.type = MOTIONSENSE_TYPE_ACCEL,
  		.location = MOTIONSENSE_LOC_LID,
  		.drv = &bma2x2_accel_drv,
  		.mutex = &g_lid_mutex,
  		.drv_data = &g_bma255_data,
  		.port = I2C_PORT_ACCEL,
  		.i2c_spi_addr_flags = BMA2x2_I2C_ADDR1_FLAGS,
  		.rot_standard_ref = &lid_standard_ref,
  		.min_frequency = BMA255_ACCEL_MIN_FREQ,
  		.max_frequency = BMA255_ACCEL_MAX_FREQ,
  		.default_range = 2, /* g, to support tablet mode */
  		.config = {
  			/* EC use accel for angle detection */
  			[SENSOR_CONFIG_EC_S0] = {
  				.odr = 10000 | ROUND_UP_FLAG,
  			},
  			/* Sensor on in S3 */
  			[SENSOR_CONFIG_EC_S3] = {
  				.odr = 10000 | ROUND_UP_FLAG,
  			},
  		},
  	},
  
  	[BASE_ACCEL] = {
  		.name = "Base Accel",
  		.active_mask = SENSOR_ACTIVE_S0_S3,
  		.chip = MOTIONSENSE_CHIP_BMI160,
  		.type = MOTIONSENSE_TYPE_ACCEL,
  		.location = MOTIONSENSE_LOC_BASE,
  		.drv = &bmi160_drv,
  		.mutex = &g_base_mutex,
  		.drv_data = &g_bmi160_data,
  		.port = I2C_PORT_ACCEL,
  		.i2c_spi_addr_flags = BMI160_ADDR0_FLAGS,
  		.rot_standard_ref = &base_standard_ref,
  		.min_frequency = BMI_ACCEL_MIN_FREQ,
  		.max_frequency = BMI_ACCEL_MAX_FREQ,
  	  .default_range = 4, /* g, to meet CDD 7.3.1/C-1-4 reqs.*/
  		.config = {
  			[SENSOR_CONFIG_EC_S0] = {
  				.odr = 10000 | ROUND_UP_FLAG,
  			},
  			/* Sensor on in S3 */
  			[SENSOR_CONFIG_EC_S3] = {
  				.odr = 10000 | ROUND_UP_FLAG,
  			},
  		},
  	},
  
  	[BASE_GYRO] = {
  		.name = "Base Gyro",
  		.active_mask = SENSOR_ACTIVE_S0_S3,
  		.chip = MOTIONSENSE_CHIP_BMI160,
  		.type = MOTIONSENSE_TYPE_GYRO,
  		.location = MOTIONSENSE_LOC_BASE,
  		.drv = &bmi160_drv,
  		.mutex = &g_base_mutex,
  		.drv_data = &g_bmi160_data,
  		.port = I2C_PORT_ACCEL,
  		.i2c_spi_addr_flags = BMI160_ADDR0_FLAGS,
  		.default_range = 1000, /* dps */
  		.rot_standard_ref = &base_standard_ref,
  		.min_frequency = BMI_GYRO_MIN_FREQ,
  		.max_frequency = BMI_GYRO_MAX_FREQ,
  	},
  
  	[CLEAR_ALS] = {
  		.name = "Clear Light",
  		.active_mask = SENSOR_ACTIVE_S0_S3,
  		.chip = MOTIONSENSE_CHIP_TCS3400,
  		.type = MOTIONSENSE_TYPE_LIGHT,
  		.location = MOTIONSENSE_LOC_LID,
  		.drv = &tcs3400_drv,
  		.drv_data = &g_tcs3400_data,
  		.port = I2C_PORT_ALS,
  		.i2c_spi_addr_flags = TCS3400_I2C_ADDR_FLAGS,
  		.rot_standard_ref = NULL,
  		.default_range = 0x10000, /* scale = 1x, uscale = 0 */
  		.min_frequency = TCS3400_LIGHT_MIN_FREQ,
  		.max_frequency = TCS3400_LIGHT_MAX_FREQ,
  		.config = {
  			/* Run ALS sensor in S0 */
  			[SENSOR_CONFIG_EC_S0] = {
  				.odr = 1000,
  			},
  		},
  	},
  
  	[RGB_ALS] = {
  		/*
  		 * RGB channels read by CLEAR_ALS and so the i2c port and
  		 * address do not need to be defined for RGB_ALS.
  		 */
  		.name = "RGB Light",
  		.active_mask = SENSOR_ACTIVE_S0_S3,
  		.chip = MOTIONSENSE_CHIP_TCS3400,
  		.type = MOTIONSENSE_TYPE_LIGHT_RGB,
  		.location = MOTIONSENSE_LOC_LID,
  		.drv = &tcs3400_rgb_drv,
  		.drv_data = &g_tcs3400_rgb_data,
  		.rot_standard_ref = NULL,
  		.default_range = 0x10000, /* scale = 1x, uscale = 0 */
  	},
  };
  unsigned int motion_sensor_count = ARRAY_SIZE(motion_sensors);
  
  /* ALS instances when LPC mapping is needed. Each entry directs to a sensor. */
  const struct motion_sensor_t *motion_als_sensors[] = {
  	&motion_sensors[CLEAR_ALS],
  };
  BUILD_ASSERT(ARRAY_SIZE(motion_als_sensors) == ALS_COUNT);
  
  /******************************************************************************/
  /* Physical fans. These are logically separate from pwm_channels. */
  
  const struct fan_conf fan_conf_0 = {
  	.flags = FAN_USE_RPM_MODE,
  	.ch = MFT_CH_0,	/* Use MFT id to control fan */
  	.pgood_gpio = -1,
  	.enable_gpio = GPIO_EN_PP5000_FAN,
  };
  
  const struct fan_conf fan_conf_1 = {
  	.flags = FAN_USE_RPM_MODE,
  	.ch = MFT_CH_1,	/* Use MFT id to control fan */
  	.pgood_gpio = -1,
  	.enable_gpio = GPIO_EN_PP5000_FAN,
  };
  /* Default */
  const struct fan_rpm fan_rpm_0 = {
  	.rpm_min = 2000,
  	.rpm_start = 2000,
  	.rpm_max = 4100,
  };
  
  const struct fan_rpm fan_rpm_1 = {
  	.rpm_min = 2000,
  	.rpm_start = 2000,
  	.rpm_max = 4100,
  };
  const struct fan_t fans[FAN_CH_COUNT] = {
  	[FAN_CH_0] = { .conf = &fan_conf_0, .rpm = &fan_rpm_0, },
  	[FAN_CH_1] = { .conf = &fan_conf_1, .rpm = &fan_rpm_1, },
  };
  
  /******************************************************************************/
  /* MFT channels. These are logically separate from pwm_channels. */
  const struct mft_t mft_channels[] = {
  	[MFT_CH_0] = {NPCX_MFT_MODULE_1, TCKC_LFCLK, PWM_CH_FAN},
  	[MFT_CH_1] = {NPCX_MFT_MODULE_2, TCKC_LFCLK, PWM_CH_FAN2},
  };
  BUILD_ASSERT(ARRAY_SIZE(mft_channels) == MFT_CH_COUNT);
  
  /* ADC channels */
  const struct adc_t adc_channels[] = {
  	[ADC_TEMP_SENSOR_1] = {
  		"TEMP_CHARGER", NPCX_ADC_CH0, ADC_MAX_VOLT, ADC_READ_MAX+1, 0},
  	[ADC_TEMP_SENSOR_2] = {
  		"TEMP_5V", NPCX_ADC_CH1, ADC_MAX_VOLT, ADC_READ_MAX+1, 0},
  };
  BUILD_ASSERT(ARRAY_SIZE(adc_channels) == ADC_CH_COUNT);
  
  const struct temp_sensor_t temp_sensors[] = {
  	[TEMP_CHARGER] = {
  		.name = "CHARGER",
  		.type = TEMP_SENSOR_TYPE_BOARD,
  		.read = get_temp_3v3_30k9_47k_4050b,
  		.idx = ADC_TEMP_SENSOR_1
  	},
  	[TEMP_5V] = {
  		.name = "5V",
  		.type = TEMP_SENSOR_TYPE_BOARD,
  		.read = get_temp_3v3_30k9_47k_4050b,
  		.idx = ADC_TEMP_SENSOR_2
  	},
  	[TEMP_GPU] = {
  		.name = "GPU",
  		.type = TEMP_SENSOR_TYPE_BOARD,
  		.read = get_temp_R19ME4070,
  		.idx = R19ME4070_LOCAL
  	},
  	[TEMP_F75303_LOCAL] = {
  		.name = "F75303_Local",
  		.type = TEMP_SENSOR_TYPE_BOARD,
  		.read = f75303_get_val,
  		.idx = F75303_IDX_LOCAL
  	},
  	[TEMP_F75303_GPU] = {
  		.name = "F75303_GPU",
  		.type = TEMP_SENSOR_TYPE_BOARD,
  		.read = f75303_get_val,
  		.idx = F75303_IDX_REMOTE1
  	},
  	[TEMP_F75303_GPU_POWER] = {
  		.name = "F75303_GPU_Power",
  		.type = TEMP_SENSOR_TYPE_BOARD,
  		.read = f75303_get_val,
  		.idx = F75303_IDX_REMOTE2
  	},
  };
  BUILD_ASSERT(ARRAY_SIZE(temp_sensors) == TEMP_SENSOR_COUNT);
  
  
  /* Hatch Temperature sensors */
  /*
   * TODO(b/124316213): These setting need to be reviewed and set appropriately
   * for Hatch. They matter when the EC is controlling the fan as opposed to DPTF
   * control.
   */
  const static struct ec_thermal_config thermal_a = {
  	.temp_host = {
  		[EC_TEMP_THRESH_WARN] = 0,
  		[EC_TEMP_THRESH_HIGH] = C_TO_K(75),
  		[EC_TEMP_THRESH_HALT] = C_TO_K(80),
  	},
  	.temp_host_release = {
  		[EC_TEMP_THRESH_WARN] = 0,
  		[EC_TEMP_THRESH_HIGH] = C_TO_K(65),
  		[EC_TEMP_THRESH_HALT] = 0,
  	},
  	.temp_fan_off = C_TO_K(0),
  	.temp_fan_max = C_TO_K(70),
  };
  
  const static struct ec_thermal_config thermal_b = {
  	.temp_host = {
  		[EC_TEMP_THRESH_WARN] = 0,
  		[EC_TEMP_THRESH_HIGH] = C_TO_K(75),
  		[EC_TEMP_THRESH_HALT] = C_TO_K(80),
  	},
  	.temp_host_release = {
  		[EC_TEMP_THRESH_WARN] = 0,
  		[EC_TEMP_THRESH_HIGH] = C_TO_K(65),
  		[EC_TEMP_THRESH_HALT] = 0,
  	},
  	.temp_fan_off = C_TO_K(0),
  	.temp_fan_max = C_TO_K(70),
  };
  
  
  struct ec_thermal_config thermal_params[TEMP_SENSOR_COUNT];
  
  static void setup_fans(void)
  {
  	thermal_params[TEMP_CHARGER] = thermal_a;
  	thermal_params[TEMP_5V] = thermal_a;
  	thermal_params[TEMP_GPU] = thermal_b;
  }
  
  /* Sets the gpio flags correct taking into account warm resets */
  static void reset_gpio_flags(enum gpio_signal signal, int flags)
  {
  	/*
  	 * If the system was already on, we cannot set the value otherwise we
  	 * may change the value from the previous image which could cause a
  	 * brownout.
  	 */
  	if (system_is_reboot_warm() || system_jumped_late())
  		flags &= ~(GPIO_LOW | GPIO_HIGH);
  
  	gpio_set_flags(signal, flags);
  }
  
  /* Runtime GPIO defaults */
  enum gpio_signal gpio_en_pp5000_a = GPIO_EN_PP5000_A_V1;
  
  static void board_gpio_set_pp5000(void)
  {
  	uint32_t board_id = 0;
  
  	/* Errors will count as board_id 0 */
  	cbi_get_board_version(&board_id);
  
  	if (board_id == 0) {
  		reset_gpio_flags(GPIO_EN_PP5000_A_V0, GPIO_OUT_LOW);
  		/* Change runtime default for V0 */
  		gpio_en_pp5000_a = GPIO_EN_PP5000_A_V0;
  	} else if (board_id >= 1) {
  		reset_gpio_flags(GPIO_EN_PP5000_A_V1, GPIO_OUT_LOW);
  	}
  
  }
  
  static void board_init(void)
  {
  	/* Initialize Fans */
  	setup_fans();
  	/* Enable gpio interrupt for base accelgyro sensor */
  	gpio_enable_interrupt(GPIO_BASE_SIXAXIS_INT_L);
  	/* Enable interrupt for the TCS3400 color light sensor */
  	gpio_enable_interrupt(GPIO_TCS3400_INT_ODL);
  	/* Enable HDMI HPD interrupt. */
  	gpio_enable_interrupt(GPIO_HDMI_CONN_HPD);
  	/* Select correct gpio signal for PP5000_A control */
  	board_gpio_set_pp5000();
  }
  DECLARE_HOOK(HOOK_INIT, board_init, HOOK_PRIO_DEFAULT);
  
  void board_overcurrent_event(int port, int is_overcurrented)
  {
  	/* Check that port number is valid. */
  	if ((port < 0) || (port >= CONFIG_USB_PD_PORT_MAX_COUNT))
  		return;
  
  	/* Note that the level is inverted because the pin is active low. */
  	gpio_set_level(GPIO_USB_C_OC_ODL, !is_overcurrented);
  }
  
  bool board_is_convertible(void)
  {
  	const uint8_t sku = get_board_sku();
  
  	return (sku == 255);
  }
  