drivers/media/video/saa7134/saa7134-input.c - pub/scm/linux/kernel/git/iwlwifi/iwlwifi-next - Git at Google

 /*
  * $Id: saa7134-input.c,v 1.16 2004/12/10 12:33:39 kraxel Exp $
  *
  * 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]");

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

 /* ---------------------------------------------------------------------- */

 static IR_KEYTAB_TYPE flyvideo_codes[IR_KEYTAB_SIZE] = {
 	[   15 ] = KEY_KP0,
 	[    3 ] = KEY_KP1,
 	[    4 ] = KEY_KP2,
 	[    5 ] = KEY_KP3,
 	[    7 ] = KEY_KP4,
 	[    8 ] = KEY_KP5,
 	[    9 ] = KEY_KP6,
 	[   11 ] = KEY_KP7,
 	[   12 ] = KEY_KP8,
 	[   13 ] = KEY_KP9,

 	[   14 ] = KEY_TUNER,        // Air/Cable
 	[   17 ] = KEY_VIDEO,        // Video
 	[   21 ] = KEY_AUDIO,        // Audio
 	[    0 ] = KEY_POWER,        // Pover
 	[    2 ] = KEY_ZOOM,         // Fullscreen
 	[   27 ] = KEY_MUTE,         // Mute
 	[   20 ] = KEY_VOLUMEUP,
 	[   23 ] = KEY_VOLUMEDOWN,
 	[   18 ] = KEY_CHANNELUP,    // Channel +
 	[   19 ] = KEY_CHANNELDOWN,  // Channel -
 	[    6 ] = KEY_AGAIN,        // Recal
 	[   16 ] = KEY_KPENTER,      // Enter

 #if 1 /* FIXME */
 	[   26 ] = KEY_F22,          // Stereo
 	[   24 ] = KEY_EDIT,         // AV Source
 #endif
 };

 static IR_KEYTAB_TYPE cinergy_codes[IR_KEYTAB_SIZE] = {
 	[    0 ] = KEY_KP0,
 	[    1 ] = KEY_KP1,
 	[    2 ] = KEY_KP2,
 	[    3 ] = KEY_KP3,
 	[    4 ] = KEY_KP4,
 	[    5 ] = KEY_KP5,
 	[    6 ] = KEY_KP6,
 	[    7 ] = KEY_KP7,
 	[    8 ] = KEY_KP8,
 	[    9 ] = KEY_KP9,

 	[ 0x0a ] = KEY_POWER,
 	[ 0x0b ] = KEY_PROG1,           // app
 	[ 0x0c ] = KEY_ZOOM,            // zoom/fullscreen
 	[ 0x0d ] = KEY_CHANNELUP,       // channel
 	[ 0x0e ] = KEY_CHANNELDOWN,     // channel-
 	[ 0x0f ] = KEY_VOLUMEUP,
 	[ 0x10 ] = KEY_VOLUMEDOWN,
 	[ 0x11 ] = KEY_TUNER,           // AV
 	[ 0x12 ] = KEY_NUMLOCK,         // -/--
 	[ 0x13 ] = KEY_AUDIO,           // audio
 	[ 0x14 ] = KEY_MUTE,
 	[ 0x15 ] = KEY_UP,
 	[ 0x16 ] = KEY_DOWN,
 	[ 0x17 ] = KEY_LEFT,
 	[ 0x18 ] = KEY_RIGHT,
 	[ 0x19 ] = BTN_LEFT,
 	[ 0x1a ] = BTN_RIGHT,
 	[ 0x1b ] = KEY_WWW,             // text
 	[ 0x1c ] = KEY_REWIND,
 	[ 0x1d ] = KEY_FORWARD,
 	[ 0x1e ] = KEY_RECORD,
 	[ 0x1f ] = KEY_PLAY,
 	[ 0x20 ] = KEY_PREVIOUSSONG,
 	[ 0x21 ] = KEY_NEXTSONG,
 	[ 0x22 ] = KEY_PAUSE,
 	[ 0x23 ] = KEY_STOP,
 };

 /* Alfons Geser <a.geser@cox.net>
  * updates from Job D. R. Borges <jobdrb@ig.com.br> */
 static IR_KEYTAB_TYPE eztv_codes[IR_KEYTAB_SIZE] = {
         [ 18 ] = KEY_POWER,
         [  1 ] = KEY_TV,             // DVR
         [ 21 ] = KEY_DVD,            // DVD
         [ 23 ] = KEY_AUDIO,          // music
                                      // DVR mode / DVD mode / music mode

         [ 27 ] = KEY_MUTE,           // mute
         [  2 ] = KEY_LANGUAGE,       // MTS/SAP / audio / autoseek
         [ 30 ] = KEY_SUBTITLE,       // closed captioning / subtitle / seek
         [ 22 ] = KEY_ZOOM,           // full screen
         [ 28 ] = KEY_VIDEO,          // video source / eject / delall
         [ 29 ] = KEY_RESTART,        // playback / angle / del
         [ 47 ] = KEY_SEARCH,         // scan / menu / playlist
         [ 48 ] = KEY_CHANNEL,        // CH surfing / bookmark / memo

         [ 49 ] = KEY_HELP,           // help
         [ 50 ] = KEY_MODE,           // num/memo
         [ 51 ] = KEY_ESC,            // cancel

 	[ 12 ] = KEY_UP,             // up
 	[ 16 ] = KEY_DOWN,           // down
 	[  8 ] = KEY_LEFT,           // left
 	[  4 ] = KEY_RIGHT,          // right
 	[  3 ] = KEY_SELECT,         // select

 	[ 31 ] = KEY_REWIND,         // rewind
 	[ 32 ] = KEY_PLAYPAUSE,      // play/pause
 	[ 41 ] = KEY_FORWARD,        // forward
 	[ 20 ] = KEY_AGAIN,          // repeat
 	[ 43 ] = KEY_RECORD,         // recording
 	[ 44 ] = KEY_STOP,           // stop
 	[ 45 ] = KEY_PLAY,           // play
 	[ 46 ] = KEY_SHUFFLE,        // snapshot / shuffle

         [  0 ] = KEY_KP0,
         [  5 ] = KEY_KP1,
         [  6 ] = KEY_KP2,
         [  7 ] = KEY_KP3,
         [  9 ] = KEY_KP4,
         [ 10 ] = KEY_KP5,
         [ 11 ] = KEY_KP6,
         [ 13 ] = KEY_KP7,
         [ 14 ] = KEY_KP8,
         [ 15 ] = KEY_KP9,

         [ 42 ] = KEY_VOLUMEUP,
         [ 17 ] = KEY_VOLUMEDOWN,
         [ 24 ] = KEY_CHANNELUP,      // CH.tracking up
         [ 25 ] = KEY_CHANNELDOWN,    // CH.tracking down

         [ 19 ] = KEY_KPENTER,        // enter
         [ 33 ] = KEY_KPDOT,          // . (decimal dot)
 };

 static IR_KEYTAB_TYPE avacssmart_codes[IR_KEYTAB_SIZE] = {
         [ 30 ] = KEY_POWER,		// power
 	[ 28 ] = KEY_SEARCH,		// scan
         [  7 ] = KEY_SELECT,		// source

 	[ 22 ] = KEY_VOLUMEUP,
 	[ 20 ] = KEY_VOLUMEDOWN,
         [ 31 ] = KEY_CHANNELUP,
 	[ 23 ] = KEY_CHANNELDOWN,
 	[ 24 ] = KEY_MUTE,

 	[  2 ] = KEY_KP0,
         [  1 ] = KEY_KP1,
         [ 11 ] = KEY_KP2,
         [ 27 ] = KEY_KP3,
         [  5 ] = KEY_KP4,
         [  9 ] = KEY_KP5,
         [ 21 ] = KEY_KP6,
 	[  6 ] = KEY_KP7,
         [ 10 ] = KEY_KP8,
 	[ 18 ] = KEY_KP9,
 	[ 16 ] = KEY_KPDOT,

 	[  3 ] = KEY_TUNER,		// tv/fm
         [  4 ] = KEY_REWIND,		// fm tuning left or function left
         [ 12 ] = KEY_FORWARD,		// fm tuning right or function right

 	[  0 ] = KEY_RECORD,
         [  8 ] = KEY_STOP,
         [ 17 ] = KEY_PLAY,

 	[ 25 ] = KEY_ZOOM,
 	[ 14 ] = KEY_MENU,		// function
 	[ 19 ] = KEY_AGAIN,		// recall
 	[ 29 ] = KEY_RESTART,		// reset

 // FIXME
 	[ 13 ] = KEY_F21,		// mts
         [ 15 ] = KEY_F22,		// min
 	[ 26 ] = KEY_F23,		// freeze
 };

 /* Alex Hermann <gaaf@gmx.net> */
 static IR_KEYTAB_TYPE md2819_codes[IR_KEYTAB_SIZE] = {
 	[ 40 ] = KEY_KP1,
 	[ 24 ] = KEY_KP2,
 	[ 56 ] = KEY_KP3,
 	[ 36 ] = KEY_KP4,
 	[ 20 ] = KEY_KP5,
 	[ 52 ] = KEY_KP6,
 	[ 44 ] = KEY_KP7,
 	[ 28 ] = KEY_KP8,
 	[ 60 ] = KEY_KP9,
 	[ 34 ] = KEY_KP0,

 	[ 32 ] = KEY_TV,		// TV/FM
 	[ 16 ] = KEY_CD,		// CD
 	[ 48 ] = KEY_TEXT,		// TELETEXT
 	[  0 ] = KEY_POWER,		// POWER

 	[  8 ] = KEY_VIDEO,		// VIDEO
 	[  4 ] = KEY_AUDIO,		// AUDIO
 	[ 12 ] = KEY_ZOOM,		// FULL SCREEN

 	[ 18 ] = KEY_SUBTITLE,		// DISPLAY	- ???
 	[ 50 ] = KEY_REWIND,		// LOOP		- ???
 	[  2 ] = KEY_PRINT,		// PREVIEW	- ???

 	[ 42 ] = KEY_SEARCH,		// AUTOSCAN
 	[ 26 ] = KEY_SLEEP,		// FREEZE	- ???
 	[ 58 ] = KEY_SHUFFLE,		// SNAPSHOT	- ???
 	[ 10 ] = KEY_MUTE,		// MUTE

 	[ 38 ] = KEY_RECORD,		// RECORD
 	[ 22 ] = KEY_PAUSE,		// PAUSE
 	[ 54 ] = KEY_STOP,		// STOP
 	[  6 ] = KEY_PLAY,		// PLAY

 	[ 46 ] = KEY_RED,		// <RED>
 	[ 33 ] = KEY_GREEN,		// <GREEN>
 	[ 14 ] = KEY_YELLOW,		// <YELLOW>
 	[  1 ] = KEY_BLUE,		// <BLUE>

 	[ 30 ] = KEY_VOLUMEDOWN,	// VOLUME-
 	[ 62 ] = KEY_VOLUMEUP,		// VOLUME+
 	[ 17 ] = KEY_CHANNELDOWN,	// CHANNEL/PAGE-
 	[ 49 ] = KEY_CHANNELUP		// CHANNEL/PAGE+
 };

 static IR_KEYTAB_TYPE videomate_tv_pvr_codes[IR_KEYTAB_SIZE] = {
 	[ 20 ] = KEY_MUTE,
 	[ 36 ] = KEY_ZOOM,

 	[  1 ] = KEY_DVD,
 	[ 35 ] = KEY_RADIO,
 	[  0 ] = KEY_TV,

 	[ 10 ] = KEY_REWIND,
 	[  8 ] = KEY_PLAYPAUSE,
 	[ 15 ] = KEY_FORWARD,

 	[  2 ] = KEY_PREVIOUS,
 	[  7 ] = KEY_STOP,
 	[  6 ] = KEY_NEXT,

 	[ 12 ] = KEY_UP,
 	[ 14 ] = KEY_DOWN,
 	[ 11 ] = KEY_LEFT,
 	[ 13 ] = KEY_RIGHT,
 	[ 17 ] = KEY_OK,

 	[  3 ] = KEY_MENU,
 	[  9 ] = KEY_SETUP,
 	[  5 ] = KEY_VIDEO,
 	[ 34 ] = KEY_CHANNEL,

 	[ 18 ] = KEY_VOLUMEUP,
 	[ 21 ] = KEY_VOLUMEDOWN,
 	[ 16 ] = KEY_CHANNELUP,
 	[ 19 ] = KEY_CHANNELDOWN,

 	[  4 ] = KEY_RECORD,

 	[ 22 ] = KEY_KP1,
 	[ 23 ] = KEY_KP2,
 	[ 24 ] = KEY_KP3,
 	[ 25 ] = KEY_KP4,
 	[ 26 ] = KEY_KP5,
 	[ 27 ] = KEY_KP6,
 	[ 28 ] = KEY_KP7,
 	[ 29 ] = KEY_KP8,
 	[ 30 ] = KEY_KP9,
 	[ 31 ] = KEY_KP0,

 	[ 32 ] = KEY_LANGUAGE,
 	[ 33 ] = KEY_SLEEP,
 };
 /* ---------------------------------------------------------------------- */

 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->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);
 	}
 	return 0;
 }

 /* ---------------------------------------------------------------------- */

 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;
 	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)
 		return -ENODEV;
 	if (disable_ir)
 		return -ENODEV;

 	/* detect & configure */
 	switch (dev->board) {
 	case SAA7134_BOARD_FLYVIDEO2000:
 	case SAA7134_BOARD_FLYVIDEO3000:
 		ir_codes     = flyvideo_codes;
 		mask_keycode = 0xEC00000;
 		mask_keydown = 0x0040000;
 		break;
 	case SAA7134_BOARD_CINERGY400:
 	case SAA7134_BOARD_CINERGY600:
 	case SAA7134_BOARD_CINERGY600_MK3:
 		ir_codes     = cinergy_codes;
 		mask_keycode = 0x00003f;
 		mask_keyup   = 0x040000;
 		break;
 	case SAA7134_BOARD_ECS_TVP3XP:
 	case SAA7134_BOARD_ECS_TVP3XP_4CB5:
                 ir_codes     = eztv_codes;
                 mask_keycode = 0x00017c;
                 mask_keyup   = 0x000002;
 		polling      = 50; // ms
                 break;
 	case SAA7134_BOARD_AVACSSMARTTV:
 	        ir_codes     = avacssmart_codes;
 		mask_keycode = 0x00001F;
 		mask_keyup   = 0x000020;
 		polling      = 50; // ms
 		break;
 	case SAA7134_BOARD_MD2819:
 	case SAA7134_BOARD_AVERMEDIA_305:
 	case SAA7134_BOARD_AVERMEDIA_307:
 		ir_codes     = md2819_codes;
 		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_VIDEOMATE_TV_PVR:
 		ir_codes     = videomate_tv_pvr_codes;
 		mask_keycode = 0x00003F;
 		mask_keyup   = 0x400000;
 		polling      = 50; // ms
 		break;
 	}
 	if (NULL == ir_codes) {
 		printk("%s: Oops: IR config error [card=%d]\n",
 		       dev->name, dev->board);
 		return -ENODEV;
 	}

 	ir = kmalloc(sizeof(*ir),GFP_KERNEL);
 	if (NULL == ir)
 		return -ENOMEM;
 	memset(ir,0,sizeof(*ir));

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

 	/* 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(&dev->remote->dev);
 	printk("%s: registered input device for IR\n",dev->name);
 	return 0;
 }

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

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

 /* ----------------------------------------------------------------------
  * Local variables:
  * c-basic-offset: 8
  * End:
  */
	/*
	* $Id: saa7134-input.c,v 1.16 2004/12/10 12:33:39 kraxel Exp $
	*
	* 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]");

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

	/* ---------------------------------------------------------------------- */

	static IR_KEYTAB_TYPE flyvideo_codes[IR_KEYTAB_SIZE] = {
	[ 15 ] = KEY_KP0,
	[ 3 ] = KEY_KP1,
	[ 4 ] = KEY_KP2,
	[ 5 ] = KEY_KP3,
	[ 7 ] = KEY_KP4,
	[ 8 ] = KEY_KP5,
	[ 9 ] = KEY_KP6,
	[ 11 ] = KEY_KP7,
	[ 12 ] = KEY_KP8,
	[ 13 ] = KEY_KP9,

	[ 14 ] = KEY_TUNER, // Air/Cable
	[ 17 ] = KEY_VIDEO, // Video
	[ 21 ] = KEY_AUDIO, // Audio
	[ 0 ] = KEY_POWER, // Pover
	[ 2 ] = KEY_ZOOM, // Fullscreen
	[ 27 ] = KEY_MUTE, // Mute
	[ 20 ] = KEY_VOLUMEUP,
	[ 23 ] = KEY_VOLUMEDOWN,
	[ 18 ] = KEY_CHANNELUP, // Channel +
	[ 19 ] = KEY_CHANNELDOWN, // Channel -
	[ 6 ] = KEY_AGAIN, // Recal
	[ 16 ] = KEY_KPENTER, // Enter

	#if 1 /* FIXME */
	[ 26 ] = KEY_F22, // Stereo
	[ 24 ] = KEY_EDIT, // AV Source
	#endif
	};

	static IR_KEYTAB_TYPE cinergy_codes[IR_KEYTAB_SIZE] = {
	[ 0 ] = KEY_KP0,
	[ 1 ] = KEY_KP1,
	[ 2 ] = KEY_KP2,
	[ 3 ] = KEY_KP3,
	[ 4 ] = KEY_KP4,
	[ 5 ] = KEY_KP5,
	[ 6 ] = KEY_KP6,
	[ 7 ] = KEY_KP7,
	[ 8 ] = KEY_KP8,
	[ 9 ] = KEY_KP9,

	[ 0x0a ] = KEY_POWER,
	[ 0x0b ] = KEY_PROG1, // app
	[ 0x0c ] = KEY_ZOOM, // zoom/fullscreen
	[ 0x0d ] = KEY_CHANNELUP, // channel
	[ 0x0e ] = KEY_CHANNELDOWN, // channel-
	[ 0x0f ] = KEY_VOLUMEUP,
	[ 0x10 ] = KEY_VOLUMEDOWN,
	[ 0x11 ] = KEY_TUNER, // AV
	[ 0x12 ] = KEY_NUMLOCK, // -/--
	[ 0x13 ] = KEY_AUDIO, // audio
	[ 0x14 ] = KEY_MUTE,
	[ 0x15 ] = KEY_UP,
	[ 0x16 ] = KEY_DOWN,
	[ 0x17 ] = KEY_LEFT,
	[ 0x18 ] = KEY_RIGHT,
	[ 0x19 ] = BTN_LEFT,
	[ 0x1a ] = BTN_RIGHT,
	[ 0x1b ] = KEY_WWW, // text
	[ 0x1c ] = KEY_REWIND,
	[ 0x1d ] = KEY_FORWARD,
	[ 0x1e ] = KEY_RECORD,
	[ 0x1f ] = KEY_PLAY,
	[ 0x20 ] = KEY_PREVIOUSSONG,
	[ 0x21 ] = KEY_NEXTSONG,
	[ 0x22 ] = KEY_PAUSE,
	[ 0x23 ] = KEY_STOP,
	};

	/* Alfons Geser <a.geser@cox.net>
	* updates from Job D. R. Borges <jobdrb@ig.com.br> */
	static IR_KEYTAB_TYPE eztv_codes[IR_KEYTAB_SIZE] = {
	[ 18 ] = KEY_POWER,
	[ 1 ] = KEY_TV, // DVR
	[ 21 ] = KEY_DVD, // DVD
	[ 23 ] = KEY_AUDIO, // music
	// DVR mode / DVD mode / music mode

	[ 27 ] = KEY_MUTE, // mute
	[ 2 ] = KEY_LANGUAGE, // MTS/SAP / audio / autoseek
	[ 30 ] = KEY_SUBTITLE, // closed captioning / subtitle / seek
	[ 22 ] = KEY_ZOOM, // full screen
	[ 28 ] = KEY_VIDEO, // video source / eject / delall
	[ 29 ] = KEY_RESTART, // playback / angle / del
	[ 47 ] = KEY_SEARCH, // scan / menu / playlist
	[ 48 ] = KEY_CHANNEL, // CH surfing / bookmark / memo

	[ 49 ] = KEY_HELP, // help
	[ 50 ] = KEY_MODE, // num/memo
	[ 51 ] = KEY_ESC, // cancel

	[ 12 ] = KEY_UP, // up
	[ 16 ] = KEY_DOWN, // down
	[ 8 ] = KEY_LEFT, // left
	[ 4 ] = KEY_RIGHT, // right
	[ 3 ] = KEY_SELECT, // select

	[ 31 ] = KEY_REWIND, // rewind
	[ 32 ] = KEY_PLAYPAUSE, // play/pause
	[ 41 ] = KEY_FORWARD, // forward
	[ 20 ] = KEY_AGAIN, // repeat
	[ 43 ] = KEY_RECORD, // recording
	[ 44 ] = KEY_STOP, // stop
	[ 45 ] = KEY_PLAY, // play
	[ 46 ] = KEY_SHUFFLE, // snapshot / shuffle

	[ 0 ] = KEY_KP0,
	[ 5 ] = KEY_KP1,
	[ 6 ] = KEY_KP2,
	[ 7 ] = KEY_KP3,
	[ 9 ] = KEY_KP4,
	[ 10 ] = KEY_KP5,
	[ 11 ] = KEY_KP6,
	[ 13 ] = KEY_KP7,
	[ 14 ] = KEY_KP8,
	[ 15 ] = KEY_KP9,

	[ 42 ] = KEY_VOLUMEUP,
	[ 17 ] = KEY_VOLUMEDOWN,
	[ 24 ] = KEY_CHANNELUP, // CH.tracking up
	[ 25 ] = KEY_CHANNELDOWN, // CH.tracking down

	[ 19 ] = KEY_KPENTER, // enter
	[ 33 ] = KEY_KPDOT, // . (decimal dot)
	};

	static IR_KEYTAB_TYPE avacssmart_codes[IR_KEYTAB_SIZE] = {
	[ 30 ] = KEY_POWER, // power
	[ 28 ] = KEY_SEARCH, // scan
	[ 7 ] = KEY_SELECT, // source

	[ 22 ] = KEY_VOLUMEUP,
	[ 20 ] = KEY_VOLUMEDOWN,
	[ 31 ] = KEY_CHANNELUP,
	[ 23 ] = KEY_CHANNELDOWN,
	[ 24 ] = KEY_MUTE,

	[ 2 ] = KEY_KP0,
	[ 1 ] = KEY_KP1,
	[ 11 ] = KEY_KP2,
	[ 27 ] = KEY_KP3,
	[ 5 ] = KEY_KP4,
	[ 9 ] = KEY_KP5,
	[ 21 ] = KEY_KP6,
	[ 6 ] = KEY_KP7,
	[ 10 ] = KEY_KP8,
	[ 18 ] = KEY_KP9,
	[ 16 ] = KEY_KPDOT,

	[ 3 ] = KEY_TUNER, // tv/fm
	[ 4 ] = KEY_REWIND, // fm tuning left or function left
	[ 12 ] = KEY_FORWARD, // fm tuning right or function right

	[ 0 ] = KEY_RECORD,
	[ 8 ] = KEY_STOP,
	[ 17 ] = KEY_PLAY,

	[ 25 ] = KEY_ZOOM,
	[ 14 ] = KEY_MENU, // function
	[ 19 ] = KEY_AGAIN, // recall
	[ 29 ] = KEY_RESTART, // reset

	// FIXME
	[ 13 ] = KEY_F21, // mts
	[ 15 ] = KEY_F22, // min
	[ 26 ] = KEY_F23, // freeze
	};

	/* Alex Hermann <gaaf@gmx.net> */
	static IR_KEYTAB_TYPE md2819_codes[IR_KEYTAB_SIZE] = {
	[ 40 ] = KEY_KP1,
	[ 24 ] = KEY_KP2,
	[ 56 ] = KEY_KP3,
	[ 36 ] = KEY_KP4,
	[ 20 ] = KEY_KP5,
	[ 52 ] = KEY_KP6,
	[ 44 ] = KEY_KP7,
	[ 28 ] = KEY_KP8,
	[ 60 ] = KEY_KP9,
	[ 34 ] = KEY_KP0,

	[ 32 ] = KEY_TV, // TV/FM
	[ 16 ] = KEY_CD, // CD
	[ 48 ] = KEY_TEXT, // TELETEXT
	[ 0 ] = KEY_POWER, // POWER

	[ 8 ] = KEY_VIDEO, // VIDEO
	[ 4 ] = KEY_AUDIO, // AUDIO
	[ 12 ] = KEY_ZOOM, // FULL SCREEN

	[ 18 ] = KEY_SUBTITLE, // DISPLAY - ???
	[ 50 ] = KEY_REWIND, // LOOP - ???
	[ 2 ] = KEY_PRINT, // PREVIEW - ???

	[ 42 ] = KEY_SEARCH, // AUTOSCAN
	[ 26 ] = KEY_SLEEP, // FREEZE - ???
	[ 58 ] = KEY_SHUFFLE, // SNAPSHOT - ???
	[ 10 ] = KEY_MUTE, // MUTE

	[ 38 ] = KEY_RECORD, // RECORD
	[ 22 ] = KEY_PAUSE, // PAUSE
	[ 54 ] = KEY_STOP, // STOP
	[ 6 ] = KEY_PLAY, // PLAY

	[ 46 ] = KEY_RED, // <RED>
	[ 33 ] = KEY_GREEN, // <GREEN>
	[ 14 ] = KEY_YELLOW, // <YELLOW>
	[ 1 ] = KEY_BLUE, // <BLUE>

	[ 30 ] = KEY_VOLUMEDOWN, // VOLUME-
	[ 62 ] = KEY_VOLUMEUP, // VOLUME+
	[ 17 ] = KEY_CHANNELDOWN, // CHANNEL/PAGE-
	[ 49 ] = KEY_CHANNELUP // CHANNEL/PAGE+
	};

	static IR_KEYTAB_TYPE videomate_tv_pvr_codes[IR_KEYTAB_SIZE] = {
	[ 20 ] = KEY_MUTE,
	[ 36 ] = KEY_ZOOM,

	[ 1 ] = KEY_DVD,
	[ 35 ] = KEY_RADIO,
	[ 0 ] = KEY_TV,

	[ 10 ] = KEY_REWIND,
	[ 8 ] = KEY_PLAYPAUSE,
	[ 15 ] = KEY_FORWARD,

	[ 2 ] = KEY_PREVIOUS,
	[ 7 ] = KEY_STOP,
	[ 6 ] = KEY_NEXT,

	[ 12 ] = KEY_UP,
	[ 14 ] = KEY_DOWN,
	[ 11 ] = KEY_LEFT,
	[ 13 ] = KEY_RIGHT,
	[ 17 ] = KEY_OK,

	[ 3 ] = KEY_MENU,
	[ 9 ] = KEY_SETUP,
	[ 5 ] = KEY_VIDEO,
	[ 34 ] = KEY_CHANNEL,

	[ 18 ] = KEY_VOLUMEUP,
	[ 21 ] = KEY_VOLUMEDOWN,
	[ 16 ] = KEY_CHANNELUP,
	[ 19 ] = KEY_CHANNELDOWN,

	[ 4 ] = KEY_RECORD,

	[ 22 ] = KEY_KP1,
	[ 23 ] = KEY_KP2,
	[ 24 ] = KEY_KP3,
	[ 25 ] = KEY_KP4,
	[ 26 ] = KEY_KP5,
	[ 27 ] = KEY_KP6,
	[ 28 ] = KEY_KP7,
	[ 29 ] = KEY_KP8,
	[ 30 ] = KEY_KP9,
	[ 31 ] = KEY_KP0,

	[ 32 ] = KEY_LANGUAGE,
	[ 33 ] = KEY_SLEEP,
	};
	/* ---------------------------------------------------------------------- */

	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->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);
	}
	return 0;
	}

	/* ---------------------------------------------------------------------- */

	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;
	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)
	return -ENODEV;
	if (disable_ir)
	return -ENODEV;

	/* detect & configure */
	switch (dev->board) {
	case SAA7134_BOARD_FLYVIDEO2000:
	case SAA7134_BOARD_FLYVIDEO3000:
	ir_codes = flyvideo_codes;
	mask_keycode = 0xEC00000;
	mask_keydown = 0x0040000;
	break;
	case SAA7134_BOARD_CINERGY400:
	case SAA7134_BOARD_CINERGY600:
	case SAA7134_BOARD_CINERGY600_MK3:
	ir_codes = cinergy_codes;
	mask_keycode = 0x00003f;
	mask_keyup = 0x040000;
	break;
	case SAA7134_BOARD_ECS_TVP3XP:
	case SAA7134_BOARD_ECS_TVP3XP_4CB5:
	ir_codes = eztv_codes;
	mask_keycode = 0x00017c;
	mask_keyup = 0x000002;
	polling = 50; // ms
	break;
	case SAA7134_BOARD_AVACSSMARTTV:
	ir_codes = avacssmart_codes;
	mask_keycode = 0x00001F;
	mask_keyup = 0x000020;
	polling = 50; // ms
	break;
	case SAA7134_BOARD_MD2819:
	case SAA7134_BOARD_AVERMEDIA_305:
	case SAA7134_BOARD_AVERMEDIA_307:
	ir_codes = md2819_codes;
	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_VIDEOMATE_TV_PVR:
	ir_codes = videomate_tv_pvr_codes;
	mask_keycode = 0x00003F;
	mask_keyup = 0x400000;
	polling = 50; // ms
	break;
	}
	if (NULL == ir_codes) {
	printk("%s: Oops: IR config error [card=%d]\n",
	dev->name, dev->board);
	return -ENODEV;
	}

	ir = kmalloc(sizeof(*ir),GFP_KERNEL);
	if (NULL == ir)
	return -ENOMEM;
	memset(ir,0,sizeof(*ir));

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

	/* 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(&dev->remote->dev);
	printk("%s: registered input device for IR\n",dev->name);
	return 0;
	}

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

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

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