diff options
Diffstat (limited to 'drivers/media/video/em28xx/em28xx-input.c')
| -rw-r--r-- | drivers/media/video/em28xx/em28xx-input.c | 129 |
1 files changed, 0 insertions, 129 deletions
diff --git a/drivers/media/video/em28xx/em28xx-input.c b/drivers/media/video/em28xx/em28xx-input.c deleted file mode 100644 index 10da2fd8d98..00000000000 --- a/drivers/media/video/em28xx/em28xx-input.c +++ /dev/null @@ -1,129 +0,0 @@ -/* - handle em28xx IR remotes via linux kernel input layer. - - Copyright (C) 2005 Ludovico Cavedon <cavedon@sssup.it> - Markus Rechberger <mrechberger@gmail.com> - Mauro Carvalho Chehab <mchehab@infradead.org> - Sascha Sommer <saschasommer@freenet.de> - - 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/init.h> -#include <linux/delay.h> -#include <linux/interrupt.h> -#include <linux/input.h> -#include <linux/usb.h> - -#include "em28xx.h" - -static unsigned int ir_debug; -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) - -/* ----------------------------------------------------------------------- */ - -int em28xx_get_key_terratec(struct IR_i2c *ir, u32 *ir_key, u32 *ir_raw) -{ - unsigned char b; - - /* poll IR chip */ - if (1 != i2c_master_recv(&ir->c,&b,1)) { - dprintk("read error\n"); - return -EIO; - } - - /* it seems that 0xFE indicates that a button is still hold - down, while 0xff indicates that no button is hold - down. 0xfe sequences are sometimes interrupted by 0xFF */ - - dprintk("key %02x\n", b); - - if (b == 0xff) - return 0; - - if (b == 0xfe) - /* keep old data */ - return 1; - - *ir_key = b; - *ir_raw = b; - return 1; -} - - -int em28xx_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; - - 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; -} - -int em28xx_get_key_pinnacle_usb_grey(struct IR_i2c *ir, u32 *ir_key, - u32 *ir_raw) -{ - unsigned char buf[3]; - - /* poll IR chip */ - - if (3 != i2c_master_recv(&ir->c,buf,3)) { - dprintk("read error\n"); - return -EIO; - } - - dprintk("key %02x\n", buf[2]&0x3f); - if (buf[0]!=0x00){ - return 0; - } - - *ir_key = buf[2]&0x3f; - *ir_raw = buf[2]&0x3f; - - return 1; -} - -/* ---------------------------------------------------------------------- - * Local variables: - * c-basic-offset: 8 - * End: - */ |