tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1/*
2 * $Id: ir-common.h,v 1.9 2005/05/15 19:01:26 mchehab Exp $
3 *
4 * some common structs and functions to handle infrared remotes via
5 * input layer ...
6 *
7 * (c) 2003 Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]
8 *
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License, or
12 * (at your option) any later version.
13 *
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
18 *
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
22 */
23
24#include <linux/version.h>
25#include <linux/input.h>
26
27
28#define IR_TYPE_RC5 1
29#define IR_TYPE_OTHER 99
30
31#define IR_KEYTAB_TYPE u32
32#define IR_KEYTAB_SIZE 128 // enougth for rc5, probably need more some day ...
33
34#define IR_KEYCODE(tab,code) (((unsigned)code < IR_KEYTAB_SIZE) \
35 ? tab[code] : KEY_RESERVED)
36
37struct ir_input_state {
38 /* configuration */
39 int ir_type;
40 IR_KEYTAB_TYPE ir_codes[IR_KEYTAB_SIZE];
41
42 /* key info */
43 u32 ir_raw; /* raw data */
44 u32 ir_key; /* ir key code */
45 u32 keycode; /* linux key code */
46 int keypressed; /* current state */
47};
48
49extern IR_KEYTAB_TYPE ir_codes_rc5_tv[IR_KEYTAB_SIZE];
50extern IR_KEYTAB_TYPE ir_codes_winfast[IR_KEYTAB_SIZE];
51extern IR_KEYTAB_TYPE ir_codes_empty[IR_KEYTAB_SIZE];
52extern IR_KEYTAB_TYPE ir_codes_hauppauge_new[IR_KEYTAB_SIZE];
53extern IR_KEYTAB_TYPE ir_codes_pixelview[IR_KEYTAB_SIZE];
54
55void ir_input_init(struct input_dev *dev, struct ir_input_state *ir,
56 int ir_type, IR_KEYTAB_TYPE *ir_codes);
57void ir_input_nokey(struct input_dev *dev, struct ir_input_state *ir);
58void ir_input_keydown(struct input_dev *dev, struct ir_input_state *ir,
59 u32 ir_key, u32 ir_raw);
60u32 ir_extract_bits(u32 data, u32 mask);
61int ir_dump_samples(u32 *samples, int count);
62int ir_decode_biphase(u32 *samples, int count, int low, int high);
63
64/*
65 * Local variables:
66 * c-basic-offset: 8
67 * End:
68 */