/*
*
* 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 <linux/usb.h>
#include "em2820.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, ir->c.name , ## arg)
/* ---------------------------------------------------------------------- */
static IR_KEYTAB_TYPE ir_codes_em_pinnacle[IR_KEYTAB_SIZE] = {
[ 0 ] = KEY_CHANNEL,
[ 1 ] = KEY_SELECT,
[ 2 ] = KEY_MUTE,
[ 3 ] = KEY_POWER,
[ 4 ] = KEY_KP1,
[ 5 ] = KEY_KP2,
[ 6 ] = KEY_KP3,
[ 7 ] = KEY_CHANNELUP,
[ 8 ] = KEY_KP4,
[ 9 ] = KEY_KP5,
[ 10 ] = KEY_KP6,
[ 11 ] = KEY_CHANNELDOWN,
[ 12 ] = KEY_KP7,
[ 13 ] = KEY_KP8,
[ 14 ] = KEY_KP9,
[ 15 ] = KEY_VOLUMEUP,
[ 16 ] = KEY_KP0,
[ 17 ] = KEY_MENU,
[ 18 ] = KEY_PRINT,
[ 19 ] = KEY_VOLUMEDOWN,
[ 21 ] = KEY_PAUSE,
[ 23 ] = KEY_RECORD,
[ 24 ] = KEY_REWIND,
[ 25 ] = KEY_PLAY,
[ 27 ] = KEY_BACKSPACE,
[ 29 ] = KEY_STOP,
[ 31 ] = KEY_ZOOM,
};
/* ----------------------------------------------------------------------- */
static int get_key_em_haup(struct IR_i2c *ir, u32 *ir_key, u32 *ir_raw)
{
unsigned char buf[2];
unsigned char code;
/* poll IR chip */
if (2 != i2c_master_recv(&ir->c,buf,2))
return -EIO;
/* Does eliminate repeated parity code */
if (buf[1]==0xff)
return 0;
/* avoid fast reapeating */
if (buf[1]==ir->old)
return 0;
ir->old=buf[1];
/* Rearranges bits to the right order */
code= ((buf[0]&0x01)<<5) | /* 0010 0000 */
((buf[0]&0x02)<<3) | /* 0001 0000 */
((buf[0]&0x04)<<1) | /* 0000 1000 */
((buf[0]&0x08)>>1) | /* 0000 0100 */
((buf[0]&0x10)>>3) | /* 0000 0010 */
((buf[0]&0x20)>>5); /* 0000 0001 */
dprintk("ir hauppauge (em2840): code=0x%02x (rcv=0x%02x)\n",code,buf[0]);
/* return key */
*ir_key = code;
*ir_raw = code;
return 1;
}
/* ----------------------------------------------------------------------- */
void em2820_set_ir(struct em2820 * dev,struct IR_i2c *ir)
{
if (disable_ir)
return ;
/* detect & configure */
switch (dev->model) {
case (EM2800_BOARD_UNKNOWN):
break;
case (EM2820_BOARD_UNKNOWN):
break;
case (EM2820_BOARD_TERRATEC_CINERGY_250):
break;
case (EM2820_BOARD_PINNACLE_USB_2):
ir->ir_codes = ir_codes_em_pinnacle;
break;
case (EM2820_BOARD_HAUPPAUGE_WINTV_USB_2):
ir->ir_codes = ir_codes_hauppauge_new;
ir->get_key = get_key_em_haup;
snprintf(ir->c.name, sizeof(ir->c.name), "i2c IR (EM2840 Hauppage)");
break;
case (EM2820_BOARD_MSI_VOX_USB_2):
break;
case (EM2800_BOARD_TERRATEC_CINERGY_200):
break;
case (EM2800_BOARD_LEADTEK_WINFAST_USBII):
break;
case (EM2800_BOARD_KWORLD_USB2800):
break;
}
}
/* ----------------------------------------------------------------------
* Local variables:
* c-basic-offset: 8
* End:
*/
