/*
* $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:
*/
