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android_kernel_motorola_sm6225/drivers/media/video/saa7134/saa7134-input.c
Mauro Carvalho Chehab 67e49a1abe [PATCH] v4l: make the input event device for IR matchable by udev rules. 
- Makes the input event device created by the V4L drivers for the
  infrared remote matchable by udev rules.

Signed-off-by: Rudo Thomas <rudo@matfyz.cz>
Signed-off-by: Michael Fair <michael@daclubhouse.net>
Signed-off-by: Michael Krufky <mkrufky@m1k.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@brturbo.com.br>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-09-09 13:57:53 -07:00

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/*
*
* 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
[ 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 <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
[ 26 ] = KEY_SHUFFLE, // snapshot/shuffle
// FIXME
[ 13 ] = KEY_F21, // mts
[ 15 ] = KEY_F22, // min
};
/* 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,
};
/* Michael Tokarev <mjt@tls.msk.ru>
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*
* */
[ 0x13 ] = KEY_MUTE,
[ 0x19 ] = KEY_RECORD, /*XXX*/
// 0x1d unused ?
};
/* ---------------------------------------------------------------------- */
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:
case SAA7134_BOARD_FLYTVPLATINUM_FM:
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_KWORLD_XPERT:
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_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 = 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_MANLI_MTV001:
case SAA7134_BOARD_MANLI_MTV002:
ir_codes = manli_codes;
mask_keycode = 0x001f00;
mask_keyup = 0x004000;
mask_keydown = 0x002000;
polling = 50; // ms
break;
case SAA7134_BOARD_VIDEOMATE_TV_PVR:
case SAA7134_BOARD_VIDEOMATE_TV_GOLD_PLUSII:
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;
}
ir->dev.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(&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:
*/
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