saa7134-input.c

linux-2.6.15.6

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

	[   26 ] = KEY_F22,          // Stereo
	[   24 ] = KEY_EDIT,         // AV Source
};

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 <[e-mail]>
 * updates from Job D. R. Borges <[e-mail]> */
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
	[ 26 ] = KEY_SHUFFLE,		// snapshot/shuffle

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

/* Alex Hermann <[e-mail]> */
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,
};

/* Michael Tokarev <[e-mail]>
   http://www.corpit.ru/mjt/beholdTV/remote_control.jpg
   keytable is used by MANLI MTV00[12] and BeholdTV 40[13] at
   least, and probably other cards too.
   The "ascii-art picture" below (in comments, first row
   is the keycode in hex, and subsequent row(s) shows
   the button labels (several variants when appropriate)
   helps to descide which keycodes to assign to the buttons.
 */
static IR_KEYTAB_TYPE manli_codes[IR_KEYTAB_SIZE] = {

	/*  0x1c            0x12  *
	 * FUNCTION         POWER *
	 *   FM              (|)  *
	 *                        */
	[ 0x1c ] = KEY_RADIO,	/*XXX*/
	[ 0x12 ] = KEY_POWER,

	/*  0x01    0x02    0x03  *
	 *   1       2       3    *
	 *                        *
	 *  0x04    0x05    0x06  *
	 *   4       5       6    *
	 *                        *
	 *  0x07    0x08    0x09  *
	 *   7       8       9    *
	 *                        */
	[ 0x01 ] = KEY_KP1,
	[ 0x02 ] = KEY_KP2,
	[ 0x03 ] = KEY_KP3,
	[ 0x04 ] = KEY_KP4,
	[ 0x05 ] = KEY_KP5,
	[ 0x06 ] = KEY_KP6,
	[ 0x07 ] = KEY_KP7,
	[ 0x08 ] = KEY_KP8,
	[ 0x09 ] = KEY_KP9,

	/*  0x0a    0x00    0x17  *
	 * RECALL    0      +100  *
	 *                  PLUS  *
	 *                        */
	[ 0x0a ] = KEY_AGAIN,	/*XXX KEY_REWIND? */
	[ 0x00 ] = KEY_KP0,
	[ 0x17 ] = KEY_DIGITS,	/*XXX*/

	/*  0x14            0x10  *
	 *  MENU            INFO  *
	 *  OSD                   */
	[ 0x14 ] = KEY_MENU,
	[ 0x10 ] = KEY_INFO,

	/*          0x0b          *
	 *           Up           *
	 *                        *
	 *  0x18    0x16    0x0c  *
	 *  Left     Ok     Right *
	 *                        *
	 *         0x015          *
	 *         Down           *
	 *                        */
	[ 0x0b ] = KEY_UP,	/*XXX KEY_SCROLLUP? */
	[ 0x18 ] = KEY_LEFT,	/*XXX KEY_BACK? */
	[ 0x16 ] = KEY_OK,	/*XXX KEY_SELECT? KEY_ENTER? */
	[ 0x0c ] = KEY_RIGHT,	/*XXX KEY_FORWARD? */
	[ 0x15 ] = KEY_DOWN,	/*XXX KEY_SCROLLDOWN? */

	/*  0x11            0x0d  *
	 *  TV/AV           MODE  *
	 *  SOURCE         STEREO *
	 *                        */
	[ 0x11 ] = KEY_TV,	/*XXX*/
	[ 0x0d ] = KEY_MODE,	/*XXX there's no KEY_STEREO */

	/*  0x0f    0x1b    0x1a  *
	 *  AUDIO   Vol+    Chan+ *
	 *        TIMESHIFT???    *
	 *                        *
	 *  0x0e    0x1f    0x1e  *
	 *  SLEEP   Vol-    Chan- *
	 *                        */
	[ 0x0f ] = KEY_AUDIO,
	[ 0x1b ] = KEY_VOLUMEUP,
	[ 0x1a ] = KEY_CHANNELUP,
	[ 0x0e ] = KEY_SLEEP,	/*XXX maybe KEY_PAUSE */
	[ 0x1f ] = KEY_VOLUMEDOWN,
	[ 0x1e ] = KEY_CHANNELDOWN,

	/*         0x13     0x19  *
	 *         MUTE   SNAPSHOT*
	 *                        */