| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* |
| 2 | * $Id: ir-common.h,v 1.8 2005/02/22 12:28:40 kraxel 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 | |
| 37 | struct 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 | |
| 49 | extern IR_KEYTAB_TYPE ir_codes_rc5_tv[IR_KEYTAB_SIZE]; |
| 50 | extern IR_KEYTAB_TYPE ir_codes_winfast[IR_KEYTAB_SIZE]; |
| 51 | extern IR_KEYTAB_TYPE ir_codes_empty[IR_KEYTAB_SIZE]; |
| 52 | extern IR_KEYTAB_TYPE ir_codes_hauppauge_new[IR_KEYTAB_SIZE]; |
| 53 | |
| 54 | void ir_input_init(struct input_dev *dev, struct ir_input_state *ir, |
| 55 | int ir_type, IR_KEYTAB_TYPE *ir_codes); |
| 56 | void ir_input_nokey(struct input_dev *dev, struct ir_input_state *ir); |
| 57 | void ir_input_keydown(struct input_dev *dev, struct ir_input_state *ir, |
| 58 | u32 ir_key, u32 ir_raw); |
| 59 | u32 ir_extract_bits(u32 data, u32 mask); |
| 60 | int ir_dump_samples(u32 *samples, int count); |
| 61 | int ir_decode_biphase(u32 *samples, int count, int low, int high); |
| 62 | |
| 63 | /* |
| 64 | * Local variables: |
| 65 | * c-basic-offset: 8 |
| 66 | * End: |
| 67 | */ |