drivers/media/video/saa7134/saa7134-input.c - maze/linux - Git at Google

 /*
  *
  * handle saa7134 IR remotes via linux kernel input layer.
  *
  * 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/module.h>
 #include <linux/moduleparam.h>
 #include <linux/init.h>
 #include <linux/delay.h>
 #include <linux/sched.h>
 #include <linux/interrupt.h>
 #include <linux/input.h>

 #include "saa7134-reg.h"
 #include "saa7134.h"

 static unsigned int disable_ir = 0;
 module_param(disable_ir, int, 0444);
 MODULE_PARM_DESC(disable_ir,"disable infrared remote support");

 static unsigned int ir_debug = 0;
 module_param(ir_debug, int, 0644);
 MODULE_PARM_DESC(ir_debug,"enable debug messages [IR]");

 static int pinnacle_remote = 0;
 module_param(pinnacle_remote, int, 0644);    /* Choose Pinnacle PCTV remote */
 MODULE_PARM_DESC(pinnacle_remote, "Specify Pinnacle PCTV remote: 0=coloured, 1=grey (defaults to 0)");

 #define dprintk(fmt, arg...)	if (ir_debug) \
 	printk(KERN_DEBUG "%s/ir: " fmt, dev->name , ## arg)
 #define i2cdprintk(fmt, arg...)    if (ir_debug) \
 	printk(KERN_DEBUG "%s/ir: " fmt, ir->c.name , ## arg)

 /* -------------------- GPIO generic keycode builder -------------------- */

 static int build_key(struct saa7134_dev *dev)
 {
 	struct saa7134_ir *ir = dev->remote;
 	u32 gpio, data;

 	/* rising SAA7134_GPIO_GPRESCAN reads the status */
 	saa_clearb(SAA7134_GPIO_GPMODE3,SAA7134_GPIO_GPRESCAN);
 	saa_setb(SAA7134_GPIO_GPMODE3,SAA7134_GPIO_GPRESCAN);

 	gpio = saa_readl(SAA7134_GPIO_GPSTATUS0 >> 2);
 	if (ir->polling) {
 		if (ir->last_gpio == gpio)
 			return 0;
 		ir->last_gpio = gpio;
 	}

 	data = ir_extract_bits(gpio, ir->mask_keycode);
 	dprintk("build_key gpio=0x%x mask=0x%x data=%d\n",
 		gpio, ir->mask_keycode, data);

 	if (ir->polling) {
 		if ((ir->mask_keydown  &&  (0 != (gpio & ir->mask_keydown))) ||
 		    (ir->mask_keyup    &&  (0 == (gpio & ir->mask_keyup)))) {
 			ir_input_keydown(ir->dev, &ir->ir, data, data);
 		} else {
 			ir_input_nokey(ir->dev, &ir->ir);
 		}
 	}
 	else {	/* IRQ driven mode - handle key press and release in one go */
 		if ((ir->mask_keydown  &&  (0 != (gpio & ir->mask_keydown))) ||
 		    (ir->mask_keyup    &&  (0 == (gpio & ir->mask_keyup)))) {
 			ir_input_keydown(ir->dev, &ir->ir, data, data);
 			ir_input_nokey(ir->dev, &ir->ir);
 		}
 	}

 	return 0;
 }

 /* --------------------- Chip specific I2C key builders ----------------- */

 static int get_key_purpletv(struct IR_i2c *ir, u32 *ir_key, u32 *ir_raw)
 {
 	unsigned char b;

 	/* poll IR chip */
 	if (1 != i2c_master_recv(&ir->c,&b,1)) {
 		i2cdprintk("read error\n");
 		return -EIO;
 	}

 	/* no button press */
 	if (b==0)
 		return 0;

 	/* repeating */
 	if (b & 0x80)
 		return 1;

 	*ir_key = b;
 	*ir_raw = b;
 	return 1;
 }

 void saa7134_input_irq(struct saa7134_dev *dev)
 {
 	struct saa7134_ir *ir = dev->remote;

 	if (!ir->polling)
 		build_key(dev);
 }

 static void saa7134_input_timer(unsigned long data)
 {
 	struct saa7134_dev *dev = (struct saa7134_dev*)data;
 	struct saa7134_ir *ir = dev->remote;
 	unsigned long timeout;

 	build_key(dev);
 	timeout = jiffies + (ir->polling * HZ / 1000);
 	mod_timer(&ir->timer, timeout);
 }

 int saa7134_input_init1(struct saa7134_dev *dev)
 {
 	struct saa7134_ir *ir;
 	struct input_dev *input_dev;
 	IR_KEYTAB_TYPE *ir_codes = NULL;
 	u32 mask_keycode = 0;
 	u32 mask_keydown = 0;
 	u32 mask_keyup   = 0;
 	int polling      = 0;
 	int ir_type      = IR_TYPE_OTHER;

 	if (dev->has_remote != SAA7134_REMOTE_GPIO)
 		return -ENODEV;
 	if (disable_ir)
 		return -ENODEV;

 	/* detect & configure */
 	switch (dev->board) {
 	case SAA7134_BOARD_FLYVIDEO2000:
 	case SAA7134_BOARD_FLYVIDEO3000:
 	case SAA7134_BOARD_FLYTVPLATINUM_FM:
 	case SAA7134_BOARD_FLYTVPLATINUM_MINI2:
 		ir_codes     = ir_codes_flyvideo;
 		mask_keycode = 0xEC00000;
 		mask_keydown = 0x0040000;
 		break;
 	case SAA7134_BOARD_CINERGY400:
 	case SAA7134_BOARD_CINERGY600:
 	case SAA7134_BOARD_CINERGY600_MK3:
 		ir_codes     = ir_codes_cinergy;
 		mask_keycode = 0x00003f;
 		mask_keyup   = 0x040000;
 		break;
 	case SAA7134_BOARD_ECS_TVP3XP:
 	case SAA7134_BOARD_ECS_TVP3XP_4CB5:
 		ir_codes     = ir_codes_eztv;
 		mask_keycode = 0x00017c;
 		mask_keyup   = 0x000002;
 		polling      = 50; // ms
 		break;
 	case SAA7134_BOARD_KWORLD_XPERT:
 	case SAA7134_BOARD_AVACSSMARTTV:
 		ir_codes     = ir_codes_pixelview;
 		mask_keycode = 0x00001F;
 		mask_keyup   = 0x000020;
 		polling      = 50; // ms
 		break;
 	case SAA7134_BOARD_MD2819:
 	case SAA7134_BOARD_KWORLD_VSTREAM_XPERT:
 	case SAA7134_BOARD_AVERMEDIA_305:
 	case SAA7134_BOARD_AVERMEDIA_307:
 	case SAA7134_BOARD_AVERMEDIA_STUDIO_305:
 	case SAA7134_BOARD_AVERMEDIA_STUDIO_307:
 	case SAA7134_BOARD_AVERMEDIA_GO_007_FM:
 		ir_codes     = ir_codes_avermedia;
 		mask_keycode = 0x0007C8;
 		mask_keydown = 0x000010;
 		polling      = 50; // ms
 		/* Set GPIO pin2 to high to enable the IR controller */
 		saa_setb(SAA7134_GPIO_GPMODE0, 0x4);
 		saa_setb(SAA7134_GPIO_GPSTATUS0, 0x4);
 		break;
 	case SAA7134_BOARD_KWORLD_TERMINATOR:
 		ir_codes     = ir_codes_pixelview;
 		mask_keycode = 0x00001f;
 		mask_keyup   = 0x000060;
 		polling      = 50; // ms
 		break;
 	case SAA7134_BOARD_MANLI_MTV001:
 	case SAA7134_BOARD_MANLI_MTV002:
 	case SAA7134_BOARD_BEHOLD_409FM:
 		ir_codes     = ir_codes_manli;
 		mask_keycode = 0x001f00;
 		mask_keyup   = 0x004000;
 		polling      = 50; // ms
 		break;
 	case SAA7134_BOARD_SEDNA_PC_TV_CARDBUS:
 		ir_codes     = ir_codes_pctv_sedna;
 		mask_keycode = 0x001f00;
 		mask_keyup   = 0x004000;
 		polling      = 50; // ms
 		break;
 	case SAA7134_BOARD_GOTVIEW_7135:
 		ir_codes     = ir_codes_gotview7135;
 		mask_keycode = 0x0003EC;
 		mask_keyup   = 0x008000;
 		mask_keydown = 0x000010;
 		polling	     = 50; // ms
 		break;
 	case SAA7134_BOARD_VIDEOMATE_TV_PVR:
 	case SAA7134_BOARD_VIDEOMATE_GOLD_PLUS:
 	case SAA7134_BOARD_VIDEOMATE_TV_GOLD_PLUSII:
 		ir_codes     = ir_codes_videomate_tv_pvr;
 		mask_keycode = 0x00003F;
 		mask_keyup   = 0x400000;
 		polling      = 50; // ms
 		break;
 	case SAA7134_BOARD_VIDEOMATE_DVBT_300:
 	case SAA7134_BOARD_VIDEOMATE_DVBT_200:
 		ir_codes     = ir_codes_videomate_tv_pvr;
 		mask_keycode = 0x003F00;
 		mask_keyup   = 0x040000;
 		break;
 	case SAA7134_BOARD_FLYDVBT_LR301:
 	case SAA7134_BOARD_FLYDVBTDUO:
 		ir_codes     = ir_codes_flydvb;
 		mask_keycode = 0x0001F00;
 		mask_keydown = 0x0040000;
 		break;
 	}
 	if (NULL == ir_codes) {
 		printk("%s: Oops: IR config error [card=%d]\n",
 		       dev->name, dev->board);
 		return -ENODEV;
 	}

 	ir = kzalloc(sizeof(*ir), GFP_KERNEL);
 	input_dev = input_allocate_device();
 	if (!ir || !input_dev) {
 		kfree(ir);
 		input_free_device(input_dev);
 		return -ENOMEM;
 	}

 	ir->dev = input_dev;

 	/* init hardware-specific stuff */
 	ir->mask_keycode = mask_keycode;
 	ir->mask_keydown = mask_keydown;
 	ir->mask_keyup   = mask_keyup;
 	ir->polling      = polling;

 	/* init input device */
 	snprintf(ir->name, sizeof(ir->name), "saa7134 IR (%s)",
 		 saa7134_boards[dev->board].name);
 	snprintf(ir->phys, sizeof(ir->phys), "pci-%s/ir0",
 		 pci_name(dev->pci));

 	ir_input_init(input_dev, &ir->ir, ir_type, ir_codes);
 	input_dev->name = ir->name;
 	input_dev->phys = ir->phys;
 	input_dev->id.bustype = BUS_PCI;
 	input_dev->id.version = 1;
 	if (dev->pci->subsystem_vendor) {
 		input_dev->id.vendor  = dev->pci->subsystem_vendor;
 		input_dev->id.product = dev->pci->subsystem_device;
 	} else {
 		input_dev->id.vendor  = dev->pci->vendor;
 		input_dev->id.product = dev->pci->device;
 	}
 	input_dev->cdev.dev = &dev->pci->dev;

 	/* all done */
 	dev->remote = ir;
 	if (ir->polling) {
 		init_timer(&ir->timer);
 		ir->timer.function = saa7134_input_timer;
 		ir->timer.data     = (unsigned long)dev;
 		ir->timer.expires  = jiffies + HZ;
 		add_timer(&ir->timer);
 	}

 	input_register_device(ir->dev);
 	return 0;
 }

 void saa7134_input_fini(struct saa7134_dev *dev)
 {
 	if (NULL == dev->remote)
 		return;

 	if (dev->remote->polling)
 		del_timer_sync(&dev->remote->timer);
 	input_unregister_device(dev->remote->dev);
 	kfree(dev->remote);
 	dev->remote = NULL;
 }

 void saa7134_set_i2c_ir(struct saa7134_dev *dev, struct IR_i2c *ir)
 {
 	if (disable_ir) {
 		dprintk("Found supported i2c remote, but IR has been disabled\n");
 		ir->get_key=NULL;
 		return;
 	}

 	switch (dev->board) {
 	case SAA7134_BOARD_PINNACLE_PCTV_110i:
 		snprintf(ir->c.name, sizeof(ir->c.name), "Pinnacle PCTV");
 		if (pinnacle_remote == 0) {
 			ir->get_key   = get_key_pinnacle_color;
 			ir->ir_codes = ir_codes_pinnacle_color;
 		} else {
 			ir->get_key   = get_key_pinnacle_grey;
 			ir->ir_codes = ir_codes_pinnacle_grey;
 		}
 		break;
 	case SAA7134_BOARD_UPMOST_PURPLE_TV:
 		snprintf(ir->c.name, sizeof(ir->c.name), "Purple TV");
 		ir->get_key   = get_key_purpletv;
 		ir->ir_codes  = ir_codes_purpletv;
 		break;
 	default:
 		dprintk("Shouldn't get here: Unknown board %x for I2C IR?\n",dev->board);
 		break;
 	}

 }
 /* ----------------------------------------------------------------------
  * Local variables:
  * c-basic-offset: 8
  * End:
  */
	/*
	*
	* handle saa7134 IR remotes via linux kernel input layer.
	*
	* 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/module.h>
	#include <linux/moduleparam.h>
	#include <linux/init.h>
	#include <linux/delay.h>
	#include <linux/sched.h>
	#include <linux/interrupt.h>
	#include <linux/input.h>

	#include "saa7134-reg.h"
	#include "saa7134.h"

	static unsigned int disable_ir = 0;
	module_param(disable_ir, int, 0444);
	MODULE_PARM_DESC(disable_ir,"disable infrared remote support");

	static unsigned int ir_debug = 0;
	module_param(ir_debug, int, 0644);
	MODULE_PARM_DESC(ir_debug,"enable debug messages [IR]");

	static int pinnacle_remote = 0;
	module_param(pinnacle_remote, int, 0644); /* Choose Pinnacle PCTV remote */
	MODULE_PARM_DESC(pinnacle_remote, "Specify Pinnacle PCTV remote: 0=coloured, 1=grey (defaults to 0)");

	#define dprintk(fmt, arg...) if (ir_debug) \
	printk(KERN_DEBUG "%s/ir: " fmt, dev->name , ## arg)
	#define i2cdprintk(fmt, arg...) if (ir_debug) \
	printk(KERN_DEBUG "%s/ir: " fmt, ir->c.name , ## arg)

	/* -------------------- GPIO generic keycode builder -------------------- */

	static int build_key(struct saa7134_dev *dev)
	{
	struct saa7134_ir *ir = dev->remote;
	u32 gpio, data;

	/* rising SAA7134_GPIO_GPRESCAN reads the status */
	saa_clearb(SAA7134_GPIO_GPMODE3,SAA7134_GPIO_GPRESCAN);
	saa_setb(SAA7134_GPIO_GPMODE3,SAA7134_GPIO_GPRESCAN);

	gpio = saa_readl(SAA7134_GPIO_GPSTATUS0 >> 2);
	if (ir->polling) {
	if (ir->last_gpio == gpio)
	return 0;
	ir->last_gpio = gpio;
	}

	data = ir_extract_bits(gpio, ir->mask_keycode);
	dprintk("build_key gpio=0x%x mask=0x%x data=%d\n",
	gpio, ir->mask_keycode, data);

	if (ir->polling) {
	if ((ir->mask_keydown && (0 != (gpio & ir->mask_keydown))) \|\|
	(ir->mask_keyup && (0 == (gpio & ir->mask_keyup)))) {
	ir_input_keydown(ir->dev, &ir->ir, data, data);
	} else {
	ir_input_nokey(ir->dev, &ir->ir);
	}
	}
	else { /* IRQ driven mode - handle key press and release in one go */
	if ((ir->mask_keydown && (0 != (gpio & ir->mask_keydown))) \|\|
	(ir->mask_keyup && (0 == (gpio & ir->mask_keyup)))) {
	ir_input_keydown(ir->dev, &ir->ir, data, data);
	ir_input_nokey(ir->dev, &ir->ir);
	}
	}

	return 0;
	}

	/* --------------------- Chip specific I2C key builders ----------------- */

	static int get_key_purpletv(struct IR_i2c ir, u32 ir_key, u32 *ir_raw)
	{
	unsigned char b;

	/* poll IR chip */
	if (1 != i2c_master_recv(&ir->c,&b,1)) {
	i2cdprintk("read error\n");
	return -EIO;
	}

	/* no button press */
	if (b==0)
	return 0;

	/* repeating */
	if (b & 0x80)
	return 1;

	*ir_key = b;
	*ir_raw = b;
	return 1;
	}

	void saa7134_input_irq(struct saa7134_dev *dev)
	{
	struct saa7134_ir *ir = dev->remote;

	if (!ir->polling)
	build_key(dev);
	}

	static void saa7134_input_timer(unsigned long data)
	{
	struct saa7134_dev dev = (struct saa7134_dev)data;
	struct saa7134_ir *ir = dev->remote;
	unsigned long timeout;

	build_key(dev);
	timeout = jiffies + (ir->polling * HZ / 1000);
	mod_timer(&ir->timer, timeout);
	}

	int saa7134_input_init1(struct saa7134_dev *dev)
	{
	struct saa7134_ir *ir;
	struct input_dev *input_dev;
	IR_KEYTAB_TYPE *ir_codes = NULL;
	u32 mask_keycode = 0;
	u32 mask_keydown = 0;
	u32 mask_keyup = 0;
	int polling = 0;
	int ir_type = IR_TYPE_OTHER;

	if (dev->has_remote != SAA7134_REMOTE_GPIO)
	return -ENODEV;
	if (disable_ir)
	return -ENODEV;

	/* detect & configure */
	switch (dev->board) {
	case SAA7134_BOARD_FLYVIDEO2000:
	case SAA7134_BOARD_FLYVIDEO3000:
	case SAA7134_BOARD_FLYTVPLATINUM_FM:
	case SAA7134_BOARD_FLYTVPLATINUM_MINI2:
	ir_codes = ir_codes_flyvideo;
	mask_keycode = 0xEC00000;
	mask_keydown = 0x0040000;
	break;
	case SAA7134_BOARD_CINERGY400:
	case SAA7134_BOARD_CINERGY600:
	case SAA7134_BOARD_CINERGY600_MK3:
	ir_codes = ir_codes_cinergy;
	mask_keycode = 0x00003f;
	mask_keyup = 0x040000;
	break;
	case SAA7134_BOARD_ECS_TVP3XP:
	case SAA7134_BOARD_ECS_TVP3XP_4CB5:
	ir_codes = ir_codes_eztv;
	mask_keycode = 0x00017c;
	mask_keyup = 0x000002;
	polling = 50; // ms
	break;
	case SAA7134_BOARD_KWORLD_XPERT:
	case SAA7134_BOARD_AVACSSMARTTV:
	ir_codes = ir_codes_pixelview;
	mask_keycode = 0x00001F;
	mask_keyup = 0x000020;
	polling = 50; // ms
	break;
	case SAA7134_BOARD_MD2819:
	case SAA7134_BOARD_KWORLD_VSTREAM_XPERT:
	case SAA7134_BOARD_AVERMEDIA_305:
	case SAA7134_BOARD_AVERMEDIA_307:
	case SAA7134_BOARD_AVERMEDIA_STUDIO_305:
	case SAA7134_BOARD_AVERMEDIA_STUDIO_307:
	case SAA7134_BOARD_AVERMEDIA_GO_007_FM:
	ir_codes = ir_codes_avermedia;
	mask_keycode = 0x0007C8;
	mask_keydown = 0x000010;
	polling = 50; // ms
	/* Set GPIO pin2 to high to enable the IR controller */
	saa_setb(SAA7134_GPIO_GPMODE0, 0x4);
	saa_setb(SAA7134_GPIO_GPSTATUS0, 0x4);
	break;
	case SAA7134_BOARD_KWORLD_TERMINATOR:
	ir_codes = ir_codes_pixelview;
	mask_keycode = 0x00001f;
	mask_keyup = 0x000060;
	polling = 50; // ms
	break;
	case SAA7134_BOARD_MANLI_MTV001:
	case SAA7134_BOARD_MANLI_MTV002:
	case SAA7134_BOARD_BEHOLD_409FM:
	ir_codes = ir_codes_manli;
	mask_keycode = 0x001f00;
	mask_keyup = 0x004000;
	polling = 50; // ms
	break;
	case SAA7134_BOARD_SEDNA_PC_TV_CARDBUS:
	ir_codes = ir_codes_pctv_sedna;
	mask_keycode = 0x001f00;
	mask_keyup = 0x004000;
	polling = 50; // ms
	break;
	case SAA7134_BOARD_GOTVIEW_7135:
	ir_codes = ir_codes_gotview7135;
	mask_keycode = 0x0003EC;
	mask_keyup = 0x008000;
	mask_keydown = 0x000010;
	polling = 50; // ms
	break;
	case SAA7134_BOARD_VIDEOMATE_TV_PVR:
	case SAA7134_BOARD_VIDEOMATE_GOLD_PLUS:
	case SAA7134_BOARD_VIDEOMATE_TV_GOLD_PLUSII:
	ir_codes = ir_codes_videomate_tv_pvr;
	mask_keycode = 0x00003F;
	mask_keyup = 0x400000;
	polling = 50; // ms
	break;
	case SAA7134_BOARD_VIDEOMATE_DVBT_300:
	case SAA7134_BOARD_VIDEOMATE_DVBT_200:
	ir_codes = ir_codes_videomate_tv_pvr;
	mask_keycode = 0x003F00;
	mask_keyup = 0x040000;
	break;
	case SAA7134_BOARD_FLYDVBT_LR301:
	case SAA7134_BOARD_FLYDVBTDUO:
	ir_codes = ir_codes_flydvb;
	mask_keycode = 0x0001F00;
	mask_keydown = 0x0040000;
	break;
	}
	if (NULL == ir_codes) {
	printk("%s: Oops: IR config error [card=%d]\n",
	dev->name, dev->board);
	return -ENODEV;
	}

	ir = kzalloc(sizeof(*ir), GFP_KERNEL);
	input_dev = input_allocate_device();
	if (!ir \|\| !input_dev) {
	kfree(ir);
	input_free_device(input_dev);
	return -ENOMEM;
	}

	ir->dev = input_dev;

	/* init hardware-specific stuff */
	ir->mask_keycode = mask_keycode;
	ir->mask_keydown = mask_keydown;
	ir->mask_keyup = mask_keyup;
	ir->polling = polling;

	/* init input device */
	snprintf(ir->name, sizeof(ir->name), "saa7134 IR (%s)",
	saa7134_boards[dev->board].name);
	snprintf(ir->phys, sizeof(ir->phys), "pci-%s/ir0",
	pci_name(dev->pci));

	ir_input_init(input_dev, &ir->ir, ir_type, ir_codes);
	input_dev->name = ir->name;
	input_dev->phys = ir->phys;
	input_dev->id.bustype = BUS_PCI;
	input_dev->id.version = 1;
	if (dev->pci->subsystem_vendor) {
	input_dev->id.vendor = dev->pci->subsystem_vendor;
	input_dev->id.product = dev->pci->subsystem_device;
	} else {
	input_dev->id.vendor = dev->pci->vendor;
	input_dev->id.product = dev->pci->device;
	}
	input_dev->cdev.dev = &dev->pci->dev;

	/* all done */
	dev->remote = ir;
	if (ir->polling) {
	init_timer(&ir->timer);
	ir->timer.function = saa7134_input_timer;
	ir->timer.data = (unsigned long)dev;
	ir->timer.expires = jiffies + HZ;
	add_timer(&ir->timer);
	}

	input_register_device(ir->dev);
	return 0;
	}

	void saa7134_input_fini(struct saa7134_dev *dev)
	{
	if (NULL == dev->remote)
	return;

	if (dev->remote->polling)
	del_timer_sync(&dev->remote->timer);
	input_unregister_device(dev->remote->dev);
	kfree(dev->remote);
	dev->remote = NULL;
	}

	void saa7134_set_i2c_ir(struct saa7134_dev dev, struct IR_i2c ir)
	{
	if (disable_ir) {
	dprintk("Found supported i2c remote, but IR has been disabled\n");
	ir->get_key=NULL;
	return;
	}

	switch (dev->board) {
	case SAA7134_BOARD_PINNACLE_PCTV_110i:
	snprintf(ir->c.name, sizeof(ir->c.name), "Pinnacle PCTV");
	if (pinnacle_remote == 0) {
	ir->get_key = get_key_pinnacle_color;
	ir->ir_codes = ir_codes_pinnacle_color;
	} else {
	ir->get_key = get_key_pinnacle_grey;
	ir->ir_codes = ir_codes_pinnacle_grey;
	}
	break;
	case SAA7134_BOARD_UPMOST_PURPLE_TV:
	snprintf(ir->c.name, sizeof(ir->c.name), "Purple TV");
	ir->get_key = get_key_purpletv;
	ir->ir_codes = ir_codes_purpletv;
	break;
	default:
	dprintk("Shouldn't get here: Unknown board %x for I2C IR?\n",dev->board);
	break;
	}

	}
	/* ----------------------------------------------------------------------
	* Local variables:
	* c-basic-offset: 8
	* End:
	*/