text: /*
   *
   * Device driver for GPIO attached remote control interfaces
   * on Conexant 2388x based TV/DVB cards.
   *
   * Copyright (c) 2003 Pavel Machek
   * Copyright (c) 2004 Gerd Knorr
   * Copyright (c) 2004, 2005 Chris Pascoe
   *
   * This program is free software; you can redistribute it and/or modify
   * it under the terms of the GNU General Public License as published by
   * the Free Software Foundation; either version 2 of the License, or
   * (at your option) any later version.
   *
   * This program is distributed in the hope that it will be useful,
   * but WITHOUT ANY WARRANTY; without even the implied warranty of
   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   * GNU General Public License for more details.
   *
   * You should have received a copy of the GNU General Public License
   * along with this program; if not, write to the Free Software
   * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
   */
  
  #include <linux/init.h>
  #include <linux/hrtimer.h>
  #include <linux/pci.h>
  #include <linux/slab.h>
  #include <linux/module.h>
  
  #include "cx88.h"
  #include <media/rc-core.h>
  
  #define MODULE_NAME "cx88xx"
  
  /* ---------------------------------------------------------------------- */
  
  struct cx88_IR {
  	struct cx88_core *core;
  	struct rc_dev *dev;
  
  	int users;
  
  	char name[32];
  	char phys[32];
  
  	/* sample from gpio pin 16 */
  	u32 sampling;
  
  	/* poll external decoder */
  	int polling;
  	struct hrtimer timer;
  	u32 gpio_addr;
  	u32 last_gpio;
  	u32 mask_keycode;
  	u32 mask_keydown;
  	u32 mask_keyup;
  };
  
  static unsigned ir_samplerate = 4;
  module_param(ir_samplerate, uint, 0444);
  MODULE_PARM_DESC(ir_samplerate, "IR samplerate in kHz, 1 - 20, default 4");
  
  static int ir_debug;
  module_param(ir_debug, int, 0644);	/* debug level [IR] */
  MODULE_PARM_DESC(ir_debug, "enable debug messages [IR]");
  
  #define ir_dprintk(fmt, arg...)	if (ir_debug) \
  	printk(KERN_DEBUG "%s IR: " fmt , ir->core->name , ##arg)
  
  #define dprintk(fmt, arg...)	if (ir_debug) \
  	printk(KERN_DEBUG "cx88 IR: " fmt , ##arg)
  
  /* ---------------------------------------------------------------------- */
  
  static void cx88_ir_handle_key(struct cx88_IR *ir)
  {
  	struct cx88_core *core = ir->core;
  	u32 gpio, data, auxgpio;
  
  	/* read gpio value */
  	gpio = cx_read(ir->gpio_addr);
  	switch (core->boardnr) {
  	case CX88_BOARD_NPGTECH_REALTV_TOP10FM:
  		/* This board apparently uses a combination of 2 GPIO
  		   to represent the keys. Additionally, the second GPIO
  		   can be used for parity.
  
  		   Example:
  
  		   for key "5"
  			gpio = 0x758, auxgpio = 0xe5 or 0xf5
  		   for key "Power"
  			gpio = 0x758, auxgpio = 0xed or 0xfd
  		 */
  
  		auxgpio = cx_read(MO_GP1_IO);
  		/* Take out the parity part */
  		gpio=(gpio & 0x7fd) + (auxgpio & 0xef);
  		break;
  	case CX88_BOARD_WINFAST_DTV1000:
  	case CX88_BOARD_WINFAST_DTV1800H:
  	case CX88_BOARD_WINFAST_DTV1800H_XC4000:
  	case CX88_BOARD_WINFAST_DTV2000H_PLUS:
  	case CX88_BOARD_WINFAST_TV2000_XP_GLOBAL:
  	case CX88_BOARD_WINFAST_TV2000_XP_GLOBAL_6F36:
  	case CX88_BOARD_WINFAST_TV2000_XP_GLOBAL_6F43:
  		gpio = (gpio & 0x6ff) | ((cx_read(MO_GP1_IO) << 8) & 0x900);
  		auxgpio = gpio;
  		break;
  	default:
  		auxgpio = gpio;
  	}
  	if (ir->polling) {
  		if (ir->last_gpio == auxgpio)
  			return;
  		ir->last_gpio = auxgpio;
  	}
  
  	/* extract data */
  	data = ir_extract_bits(gpio, ir->mask_keycode);
  	ir_dprintk("irq gpio=0x%x code=%d | %s%s%s\n",
  		   gpio, data,
  		   ir->polling ? "poll" : "irq",
  		   (gpio & ir->mask_keydown) ? " down" : "",
  		   (gpio & ir->mask_keyup) ? " up" : "");
  
  	if (ir->core->boardnr == CX88_BOARD_NORWOOD_MICRO) {
  		u32 gpio_key = cx_read(MO_GP0_IO);
  
  		data = (data << 4) | ((gpio_key & 0xf0) >> 4);
  
  		rc_keydown(ir->dev, RC_TYPE_UNKNOWN, data, 0);
  
  	} else if (ir->core->boardnr == CX88_BOARD_PROLINK_PLAYTVPVR ||
  		   ir->core->boardnr == CX88_BOARD_PIXELVIEW_PLAYTV_ULTRA_PRO) {
  		/* bit cleared on keydown, NEC scancode, 0xAAAACC, A = 0x866b */
  		u16 addr;
  		u8 cmd;
  		u32 scancode;
  
  		addr = (data >> 8) & 0xffff;
  		cmd  = (data >> 0) & 0x00ff;
  		scancode = RC_SCANCODE_NECX(addr, cmd);
  
  		if (0 == (gpio & ir->mask_keyup))
  			rc_keydown_notimeout(ir->dev, RC_TYPE_NECX, scancode,
  									0);
  		else
  			rc_keyup(ir->dev);
  
  	} else if (ir->mask_keydown) {
  		/* bit set on keydown */
  		if (gpio & ir->mask_keydown)
  			rc_keydown_notimeout(ir->dev, RC_TYPE_UNKNOWN, data, 0);
  		else
  			rc_keyup(ir->dev);
  
  	} else if (ir->mask_keyup) {
  		/* bit cleared on keydown */
  		if (0 == (gpio & ir->mask_keyup))
  			rc_keydown_notimeout(ir->dev, RC_TYPE_UNKNOWN, data, 0);
  		else
  			rc_keyup(ir->dev);
  
  	} else {
  		/* can't distinguish keydown/up :-/ */
  		rc_keydown_notimeout(ir->dev, RC_TYPE_UNKNOWN, data, 0);
  		rc_keyup(ir->dev);
  	}
  }
  
  static enum hrtimer_restart cx88_ir_work(struct hrtimer *timer)
  {
  	unsigned long missed;
  	struct cx88_IR *ir = container_of(timer, struct cx88_IR, timer);
  
  	cx88_ir_handle_key(ir);
  	missed = hrtimer_forward_now(&ir->timer,
  				     ktime_set(0, ir->polling * 1000000));
  	if (missed > 1)
  		ir_dprintk("Missed ticks %ld\n", missed - 1);
  
  	return HRTIMER_RESTART;
  }
  
  static int __cx88_ir_start(void *priv)
  {
  	struct cx88_core *core = priv;
  	struct cx88_IR *ir;
  
  	if (!core || !core->ir)
  		return -EINVAL;
  
  	ir = core->ir;
  
  	if (ir->polling) {
  		hrtimer_init(&ir->timer, CLOCK_MONOTONIC, HRTIMER_MODE_REL);
  		ir->timer.function = cx88_ir_work;
  		hrtimer_start(&ir->timer,
  			      ktime_set(0, ir->polling * 1000000),
  			      HRTIMER_MODE_REL);
  	}
  	if (ir->sampling) {
  		core->pci_irqmask |= PCI_INT_IR_SMPINT;
  		cx_write(MO_DDS_IO, 0x33F286 * ir_samplerate); /* samplerate */
  		cx_write(MO_DDSCFG_IO, 0x5); /* enable */
  	}
  	return 0;
  }
  
  static void __cx88_ir_stop(void *priv)
  {
  	struct cx88_core *core = priv;
  	struct cx88_IR *ir;
  
  	if (!core || !core->ir)
  		return;
  
  	ir = core->ir;
  	if (ir->sampling) {
  		cx_write(MO_DDSCFG_IO, 0x0);
  		core->pci_irqmask &= ~PCI_INT_IR_SMPINT;
  	}
  
  	if (ir->polling)
  		hrtimer_cancel(&ir->timer);
  }
  
  int cx88_ir_start(struct cx88_core *core)
  {
  	if (core->ir->users)
  		return __cx88_ir_start(core);
  
  	return 0;
  }
  
  void cx88_ir_stop(struct cx88_core *core)
  {
  	if (core->ir->users)
  		__cx88_ir_stop(core);
  }
  
  static int cx88_ir_open(struct rc_dev *rc)
  {
  	struct cx88_core *core = rc->priv;
  
  	core->ir->users++;
  	return __cx88_ir_start(core);
  }
  
  static void cx88_ir_close(struct rc_dev *rc)
  {
  	struct cx88_core *core = rc->priv;
  
  	core->ir->users--;
  	if (!core->ir->users)
  		__cx88_ir_stop(core);
  }
  
  /* ---------------------------------------------------------------------- */
  
  int cx88_ir_init(struct cx88_core *core, struct pci_dev *pci)
  {
  	struct cx88_IR *ir;
  	struct rc_dev *dev;
  	char *ir_codes = NULL;
  	u64 rc_type = RC_BIT_OTHER;
  	int err = -ENOMEM;
  	u32 hardware_mask = 0;	/* For devices with a hardware mask, when
  				 * used with a full-code IR table
  				 */
  
  	ir = kzalloc(sizeof(*ir), GFP_KERNEL);
  	dev = rc_allocate_device();
  	if (!ir || !dev)
  		goto err_out_free;
  
  	ir->dev = dev;
  
  	/* detect & configure */
  	switch (core->boardnr) {
  	case CX88_BOARD_DNTV_LIVE_DVB_T:
  	case CX88_BOARD_KWORLD_DVB_T:
  	case CX88_BOARD_KWORLD_DVB_T_CX22702:
  		ir_codes = RC_MAP_DNTV_LIVE_DVB_T;
  		ir->gpio_addr = MO_GP1_IO;
  		ir->mask_keycode = 0x1f;
  		ir->mask_keyup = 0x60;
  		ir->polling = 50; /* ms */
  		break;
  	case CX88_BOARD_TERRATEC_CINERGY_1400_DVB_T1:
  		ir_codes = RC_MAP_CINERGY_1400;
  		ir->sampling = 0xeb04; /* address */
  		break;
  	case CX88_BOARD_HAUPPAUGE:
  	case CX88_BOARD_HAUPPAUGE_DVB_T1:
  	case CX88_BOARD_HAUPPAUGE_NOVASE2_S1:
  	case CX88_BOARD_HAUPPAUGE_NOVASPLUS_S1:
  	case CX88_BOARD_HAUPPAUGE_HVR1100:
  	case CX88_BOARD_HAUPPAUGE_HVR3000:
  	case CX88_BOARD_HAUPPAUGE_HVR4000:
  	case CX88_BOARD_HAUPPAUGE_HVR4000LITE:
  	case CX88_BOARD_PCHDTV_HD3000:
  	case CX88_BOARD_PCHDTV_HD5500:
  	case CX88_BOARD_HAUPPAUGE_IRONLY:
  		ir_codes = RC_MAP_HAUPPAUGE;
  		ir->sampling = 1;
  		break;
  	case CX88_BOARD_WINFAST_DTV2000H:
  	case CX88_BOARD_WINFAST_DTV2000H_J:
  	case CX88_BOARD_WINFAST_DTV1800H:
  	case CX88_BOARD_WINFAST_DTV1800H_XC4000:
  	case CX88_BOARD_WINFAST_DTV2000H_PLUS:
  		ir_codes = RC_MAP_WINFAST;
  		ir->gpio_addr = MO_GP0_IO;
  		ir->mask_keycode = 0x8f8;
  		ir->mask_keyup = 0x100;
  		ir->polling = 50; /* ms */
  		break;
  	case CX88_BOARD_WINFAST2000XP_EXPERT:
  	case CX88_BOARD_WINFAST_DTV1000:
  	case CX88_BOARD_WINFAST_TV2000_XP_GLOBAL:
  	case CX88_BOARD_WINFAST_TV2000_XP_GLOBAL_6F36:
  	case CX88_BOARD_WINFAST_TV2000_XP_GLOBAL_6F43:
  		ir_codes = RC_MAP_WINFAST;
  		ir->gpio_addr = MO_GP0_IO;
  		ir->mask_keycode = 0x8f8;
  		ir->mask_keyup = 0x100;
  		ir->polling = 1; /* ms */
  		break;
  	case CX88_BOARD_IODATA_GVBCTV7E:
  		ir_codes = RC_MAP_IODATA_BCTV7E;
  		ir->gpio_addr = MO_GP0_IO;
  		ir->mask_keycode = 0xfd;
  		ir->mask_keydown = 0x02;
  		ir->polling = 5; /* ms */
  		break;
  	case CX88_BOARD_PROLINK_PLAYTVPVR:
  	case CX88_BOARD_PIXELVIEW_PLAYTV_ULTRA_PRO:
  		/*
  		 * It seems that this hardware is paired with NEC extended
  		 * address 0x866b. So, unfortunately, its usage with other
  		 * IR's with different address won't work. Still, there are
  		 * other IR's from the same manufacturer that works, like the
  		 * 002-T mini RC, provided with newer PV hardware
  		 */
  		ir_codes = RC_MAP_PIXELVIEW_MK12;
  		rc_type = RC_BIT_NECX;
  		ir->gpio_addr = MO_GP1_IO;
  		ir->mask_keyup = 0x80;
  		ir->polling = 10; /* ms */
  		hardware_mask = 0x3f;	/* Hardware returns only 6 bits from command part */
  		break;
  	case CX88_BOARD_PROLINK_PV_8000GT:
  	case CX88_BOARD_PROLINK_PV_GLOBAL_XTREME:
  		ir_codes = RC_MAP_PIXELVIEW_NEW;
  		ir->gpio_addr = MO_GP1_IO;
  		ir->mask_keycode = 0x3f;
  		ir->mask_keyup = 0x80;
  		ir->polling = 1; /* ms */
  		break;
  	case CX88_BOARD_KWORLD_LTV883:
  		ir_codes = RC_MAP_PIXELVIEW;
  		ir->gpio_addr = MO_GP1_IO;
  		ir->mask_keycode = 0x1f;
  		ir->mask_keyup = 0x60;
  		ir->polling = 1; /* ms */
  		break;
  	case CX88_BOARD_ADSTECH_DVB_T_PCI:
  		ir_codes = RC_MAP_ADSTECH_DVB_T_PCI;
  		ir->gpio_addr = MO_GP1_IO;
  		ir->mask_keycode = 0xbf;
  		ir->mask_keyup = 0x40;
  		ir->polling = 50; /* ms */
  		break;
  	case CX88_BOARD_MSI_TVANYWHERE_MASTER:
  		ir_codes = RC_MAP_MSI_TVANYWHERE;
  		ir->gpio_addr = MO_GP1_IO;
  		ir->mask_keycode = 0x1f;
  		ir->mask_keyup = 0x40;
  		ir->polling = 1; /* ms */
  		break;
  	case CX88_BOARD_AVERTV_303:
  	case CX88_BOARD_AVERTV_STUDIO_303:
  		ir_codes         = RC_MAP_AVERTV_303;
  		ir->gpio_addr    = MO_GP2_IO;
  		ir->mask_keycode = 0xfb;
  		ir->mask_keydown = 0x02;
  		ir->polling      = 50; /* ms */
  		break;
  	case CX88_BOARD_OMICOM_SS4_PCI:
  	case CX88_BOARD_SATTRADE_ST4200:
  	case CX88_BOARD_TBS_8920:
  	case CX88_BOARD_TBS_8910:
  	case CX88_BOARD_PROF_7300:
  	case CX88_BOARD_PROF_7301:
  	case CX88_BOARD_PROF_6200:
  		ir_codes = RC_MAP_TBS_NEC;
  		ir->sampling = 0xff00; /* address */
  		break;
  	case CX88_BOARD_TEVII_S464:
  	case CX88_BOARD_TEVII_S460:
  	case CX88_BOARD_TEVII_S420:
  		ir_codes = RC_MAP_TEVII_NEC;
  		ir->sampling = 0xff00; /* address */
  		break;
  	case CX88_BOARD_DNTV_LIVE_DVB_T_PRO:
  		ir_codes         = RC_MAP_DNTV_LIVE_DVBT_PRO;
  		ir->sampling     = 0xff00; /* address */
  		break;
  	case CX88_BOARD_NORWOOD_MICRO:
  		ir_codes         = RC_MAP_NORWOOD;
  		ir->gpio_addr    = MO_GP1_IO;
  		ir->mask_keycode = 0x0e;
  		ir->mask_keyup   = 0x80;
  		ir->polling      = 50; /* ms */
  		break;
  	case CX88_BOARD_NPGTECH_REALTV_TOP10FM:
  		ir_codes         = RC_MAP_NPGTECH;
  		ir->gpio_addr    = MO_GP0_IO;
  		ir->mask_keycode = 0xfa;
  		ir->polling      = 50; /* ms */
  		break;
  	case CX88_BOARD_PINNACLE_PCTV_HD_800i:
  		ir_codes         = RC_MAP_PINNACLE_PCTV_HD;
  		ir->sampling     = 1;
  		break;
  	case CX88_BOARD_POWERCOLOR_REAL_ANGEL:
  		ir_codes         = RC_MAP_POWERCOLOR_REAL_ANGEL;
  		ir->gpio_addr    = MO_GP2_IO;
  		ir->mask_keycode = 0x7e;
  		ir->polling      = 100; /* ms */
  		break;
  	case CX88_BOARD_TWINHAN_VP1027_DVBS:
  		ir_codes         = RC_MAP_TWINHAN_VP1027_DVBS;
  		ir->sampling     = 0xff00; /* address */
  		break;
  	}
  
  	if (!ir_codes) {
  		err = -ENODEV;
  		goto err_out_free;
  	}
  
  	/*
  	 * The usage of mask_keycode were very convenient, due to several
  	 * reasons. Among others, the scancode tables were using the scancode
  	 * as the index elements. So, the less bits it was used, the smaller
  	 * the table were stored. After the input changes, the better is to use
  	 * the full scancodes, since it allows replacing the IR remote by
  	 * another one. Unfortunately, there are still some hardware, like
  	 * Pixelview Ultra Pro, where only part of the scancode is sent via
  	 * GPIO. So, there's no way to get the full scancode. Due to that,
  	 * hardware_mask were introduced here: it represents those hardware
  	 * that has such limits.
  	 */
  	if (hardware_mask && !ir->mask_keycode)
  		ir->mask_keycode = hardware_mask;
  
  	/* init input device */
  	snprintf(ir->name, sizeof(ir->name), "cx88 IR (%s)", core->board.name);
  	snprintf(ir->phys, sizeof(ir->phys), "pci-%s/ir0", pci_name(pci));
  
  	dev->input_name = ir->name;
  	dev->input_phys = ir->phys;
  	dev->input_id.bustype = BUS_PCI;
  	dev->input_id.version = 1;
  	if (pci->subsystem_vendor) {
  		dev->input_id.vendor = pci->subsystem_vendor;
  		dev->input_id.product = pci->subsystem_device;
  	} else {
  		dev->input_id.vendor = pci->vendor;
  		dev->input_id.product = pci->device;
  	}
  	dev->dev.parent = &pci->dev;
  	dev->map_name = ir_codes;
  	dev->driver_name = MODULE_NAME;
  	dev->priv = core;
  	dev->open = cx88_ir_open;
  	dev->close = cx88_ir_close;
  	dev->scancode_mask = hardware_mask;
  
  	if (ir->sampling) {
  		dev->driver_type = RC_DRIVER_IR_RAW;
  		dev->timeout = 10 * 1000 * 1000; /* 10 ms */
  	} else {
  		dev->driver_type = RC_DRIVER_SCANCODE;
  		dev->allowed_protocols = rc_type;
  	}
  
  	ir->core = core;
  	core->ir = ir;
  
  	/* all done */
  	err = rc_register_device(dev);
  	if (err)
  		goto err_out_free;
  
  	return 0;
  
  err_out_free:
  	rc_free_device(dev);
  	core->ir = NULL;
  	kfree(ir);
  	return err;
  }
  
  int cx88_ir_fini(struct cx88_core *core)
  {
  	struct cx88_IR *ir = core->ir;
  
  	/* skip detach on non attached boards */
  	if (NULL == ir)
  		return 0;
  
  	cx88_ir_stop(core);
  	rc_unregister_device(ir->dev);
  	kfree(ir);
  
  	/* done */
  	core->ir = NULL;
  	return 0;
  }
  
  /* ---------------------------------------------------------------------- */
  
  void cx88_ir_irq(struct cx88_core *core)
  {
  	struct cx88_IR *ir = core->ir;
  	u32 samples;
  	unsigned todo, bits;
  	struct ir_raw_event ev;
  
  	if (!ir || !ir->sampling)
  		return;
  
  	/*
  	 * Samples are stored in a 32 bit register, oldest sample in
  	 * the msb. A set bit represents space and an unset bit
  	 * represents a pulse.
  	 */
  	samples = cx_read(MO_SAMPLE_IO);
  
  	if (samples == 0xff && ir->dev->idle)
  		return;
  
  	init_ir_raw_event(&ev);
  	for (todo = 32; todo > 0; todo -= bits) {
  		ev.pulse = samples & 0x80000000 ? false : true;
  		bits = min(todo, 32U - fls(ev.pulse ? samples : ~samples));
  		ev.duration = (bits * (NSEC_PER_SEC / 1000)) / ir_samplerate;
  		ir_raw_event_store_with_filter(ir->dev, &ev);
  		samples <<= bits;
  	}
  	ir_raw_event_handle(ir->dev);
  }
  
  static int get_key_pvr2000(struct IR_i2c *ir, enum rc_type *protocol,
  			   u32 *scancode, u8 *toggle)
  {
  	int flags, code;
  
  	/* poll IR chip */
  	flags = i2c_smbus_read_byte_data(ir->c, 0x10);
  	if (flags < 0) {
  		dprintk("read error\n");
  		return 0;
  	}
  	/* key pressed ? */
  	if (0 == (flags & 0x80))
  		return 0;
  
  	/* read actual key code */
  	code = i2c_smbus_read_byte_data(ir->c, 0x00);
  	if (code < 0) {
  		dprintk("read error\n");
  		return 0;
  	}
  
  	dprintk("IR Key/Flags: (0x%02x/0x%02x)\n",
  		   code & 0xff, flags & 0xff);
  
  	*protocol = RC_TYPE_UNKNOWN;
  	*scancode = code & 0xff;
  	*toggle = 0;
  	return 1;
  }
  
  void cx88_i2c_init_ir(struct cx88_core *core)
  {
  	struct i2c_board_info info;
  	const unsigned short default_addr_list[] = {
  		0x18, 0x6b, 0x71,
  		I2C_CLIENT_END
  	};
  	const unsigned short pvr2000_addr_list[] = {
  		0x18, 0x1a,
  		I2C_CLIENT_END
  	};
  	const unsigned short *addr_list = default_addr_list;
  	const unsigned short *addrp;
  	/* Instantiate the IR receiver device, if present */
  	if (0 != core->i2c_rc)
  		return;
  
  	memset(&info, 0, sizeof(struct i2c_board_info));
  	strlcpy(info.type, "ir_video", I2C_NAME_SIZE);
  
  	switch (core->boardnr) {
  	case CX88_BOARD_LEADTEK_PVR2000:
  		addr_list = pvr2000_addr_list;
  		core->init_data.name = "cx88 Leadtek PVR 2000 remote";
  		core->init_data.type = RC_BIT_UNKNOWN;
  		core->init_data.get_key = get_key_pvr2000;
  		core->init_data.ir_codes = RC_MAP_EMPTY;
  		break;
  	}
  
  	/*
  	 * We can't call i2c_new_probed_device() because it uses
  	 * quick writes for probing and at least some RC receiver
  	 * devices only reply to reads.
  	 * Also, Hauppauge XVR needs to be specified, as address 0x71
  	 * conflicts with another remote type used with saa7134
  	 */
  	for (addrp = addr_list; *addrp != I2C_CLIENT_END; addrp++) {
  		info.platform_data = NULL;
  		memset(&core->init_data, 0, sizeof(core->init_data));
  
  		if (*addrp == 0x71) {
  			/* Hauppauge XVR */
  			core->init_data.name = "cx88 Hauppauge XVR remote";
  			core->init_data.ir_codes = RC_MAP_HAUPPAUGE;
  			core->init_data.type = RC_BIT_RC5 | RC_BIT_RC6_MCE |
  							RC_BIT_RC6_6A_32;
  			core->init_data.internal_get_key_func = IR_KBD_GET_KEY_HAUP_XVR;
  
  			info.platform_data = &core->init_data;
  		}
  		if (i2c_smbus_xfer(&core->i2c_adap, *addrp, 0,
  					I2C_SMBUS_READ, 0,
  					I2C_SMBUS_QUICK, NULL) >= 0) {
  			info.addr = *addrp;
  			i2c_new_device(&core->i2c_adap, &info);
  			break;
  		}
  	}
  }
  
  /* ---------------------------------------------------------------------- */
  
  MODULE_AUTHOR("Gerd Knorr, Pavel Machek, Chris Pascoe");
  MODULE_DESCRIPTION("input driver for cx88 GPIO-based IR remote controls");
  MODULE_LICENSE("GPL");
  