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1da177e4 | 1 | /* |
1da177e4 LT |
2 | * |
3 | * some common structs and functions to handle infrared remotes via | |
4 | * input layer ... | |
5 | * | |
6 | * (c) 2003 Gerd Knorr <kraxel@bytesex.org> [SuSE Labs] | |
7 | * | |
8 | * This program is free software; you can redistribute it and/or modify | |
9 | * it under the terms of the GNU General Public License as published by | |
10 | * the Free Software Foundation; either version 2 of the License, or | |
11 | * (at your option) any later version. | |
12 | * | |
13 | * This program is distributed in the hope that it will be useful, | |
14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | * GNU General Public License for more details. | |
17 | * | |
18 | * You should have received a copy of the GNU General Public License | |
19 | * along with this program; if not, write to the Free Software | |
20 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
21 | */ | |
22 | ||
d5e52653 MCC |
23 | #ifndef _IR_COMMON |
24 | #define _IR_COMMON | |
1da177e4 | 25 | |
d5e52653 | 26 | #include <linux/input.h> |
1da177e4 LT |
27 | |
28 | #define IR_TYPE_RC5 1 | |
793cf9e6 | 29 | #define IR_TYPE_PD 2 /* Pulse distance encoded IR */ |
1da177e4 LT |
30 | #define IR_TYPE_OTHER 99 |
31 | ||
32 | #define IR_KEYTAB_TYPE u32 | |
33 | #define IR_KEYTAB_SIZE 128 // enougth for rc5, probably need more some day ... | |
34 | ||
35 | #define IR_KEYCODE(tab,code) (((unsigned)code < IR_KEYTAB_SIZE) \ | |
36 | ? tab[code] : KEY_RESERVED) | |
37 | ||
38 | struct ir_input_state { | |
39 | /* configuration */ | |
40 | int ir_type; | |
41 | IR_KEYTAB_TYPE ir_codes[IR_KEYTAB_SIZE]; | |
42 | ||
43 | /* key info */ | |
44 | u32 ir_raw; /* raw data */ | |
45 | u32 ir_key; /* ir key code */ | |
46 | u32 keycode; /* linux key code */ | |
47 | int keypressed; /* current state */ | |
48 | }; | |
49 | ||
50 | extern IR_KEYTAB_TYPE ir_codes_rc5_tv[IR_KEYTAB_SIZE]; | |
51 | extern IR_KEYTAB_TYPE ir_codes_winfast[IR_KEYTAB_SIZE]; | |
8069695c | 52 | extern IR_KEYTAB_TYPE ir_codes_pinnacle[IR_KEYTAB_SIZE]; |
1da177e4 LT |
53 | extern IR_KEYTAB_TYPE ir_codes_empty[IR_KEYTAB_SIZE]; |
54 | extern IR_KEYTAB_TYPE ir_codes_hauppauge_new[IR_KEYTAB_SIZE]; | |
239df2e2 | 55 | extern IR_KEYTAB_TYPE ir_codes_pixelview[IR_KEYTAB_SIZE]; |
1da177e4 LT |
56 | |
57 | void ir_input_init(struct input_dev *dev, struct ir_input_state *ir, | |
58 | int ir_type, IR_KEYTAB_TYPE *ir_codes); | |
59 | void ir_input_nokey(struct input_dev *dev, struct ir_input_state *ir); | |
60 | void ir_input_keydown(struct input_dev *dev, struct ir_input_state *ir, | |
61 | u32 ir_key, u32 ir_raw); | |
62 | u32 ir_extract_bits(u32 data, u32 mask); | |
63 | int ir_dump_samples(u32 *samples, int count); | |
64 | int ir_decode_biphase(u32 *samples, int count, int low, int high); | |
793cf9e6 | 65 | int ir_decode_pulsedistance(u32 *samples, int count, int low, int high); |
1da177e4 | 66 | |
d5e52653 MCC |
67 | #endif |
68 | ||
1da177e4 LT |
69 | /* |
70 | * Local variables: | |
71 | * c-basic-offset: 8 | |
72 | * End: | |
73 | */ |