1/* 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 23#ifndef _IR_COMMON 24#define _IR_COMMON 25 26#include <linux/input.h> 27#include <linux/workqueue.h> 28 29#define IR_TYPE_RC5 1 30#define IR_TYPE_PD 2 /* Pulse distance encoded IR */ 31#define IR_TYPE_OTHER 99 32 33#define IR_KEYTAB_TYPE u32 34#define IR_KEYTAB_SIZE 128 // enougth for rc5, probably need more some day ... 35 36#define IR_KEYCODE(tab,code) (((unsigned)code < IR_KEYTAB_SIZE) \ 37 ? tab[code] : KEY_RESERVED) 38 39#define RC5_START(x) (((x)>>12)&3) 40#define RC5_TOGGLE(x) (((x)>>11)&1) 41#define RC5_ADDR(x) (((x)>>6)&31) 42#define RC5_INSTR(x) ((x)&63) 43 44struct ir_input_state { 45 /* configuration */ 46 int ir_type; 47 IR_KEYTAB_TYPE ir_codes[IR_KEYTAB_SIZE]; 48 49 /* key info */ 50 u32 ir_raw; /* raw data */ 51 u32 ir_key; /* ir key code */ 52 u32 keycode; /* linux key code */ 53 int keypressed; /* current state */ 54}; 55 56/* this was saa7134_ir and bttv_ir, moved here for 57 * rc5 decoding. */ 58struct card_ir { 59 struct input_dev *dev; 60 struct ir_input_state ir; 61 char name[32]; 62 char phys[32]; 63 64 /* Usual gpio signalling */ 65 66 u32 mask_keycode; 67 u32 mask_keydown; 68 u32 mask_keyup; 69 u32 polling; 70 u32 last_gpio; 71 int shift_by; 72 int start; // What should RC5_START() be 73 int addr; // What RC5_ADDR() should be. 74 int rc5_key_timeout; 75 int rc5_remote_gap; 76 struct work_struct work; 77 struct timer_list timer; 78 79 /* RC5 gpio */ 80 u32 rc5_gpio; 81 struct timer_list timer_end; /* timer_end for code completion */ 82 struct timer_list timer_keyup; /* timer_end for key release */ 83 u32 last_rc5; /* last good rc5 code */ 84 u32 last_bit; /* last raw bit seen */ 85 u32 code; /* raw code under construction */ 86 struct timeval base_time; /* time of last seen code */ 87 int active; /* building raw code */ 88}; 89 90void ir_input_init(struct input_dev *dev, struct ir_input_state *ir, 91 int ir_type, IR_KEYTAB_TYPE *ir_codes); 92void ir_input_nokey(struct input_dev *dev, struct ir_input_state *ir); 93void ir_input_keydown(struct input_dev *dev, struct ir_input_state *ir, 94 u32 ir_key, u32 ir_raw); 95u32 ir_extract_bits(u32 data, u32 mask); 96int ir_dump_samples(u32 *samples, int count); 97int ir_decode_biphase(u32 *samples, int count, int low, int high); 98int ir_decode_pulsedistance(u32 *samples, int count, int low, int high); 99 100u32 ir_rc5_decode(unsigned int code); 101void ir_rc5_timer_end(unsigned long data); 102void ir_rc5_timer_keyup(unsigned long data); 103 104/* Keymaps to be used by other modules */ 105 106extern IR_KEYTAB_TYPE ir_codes_empty[IR_KEYTAB_SIZE]; 107extern IR_KEYTAB_TYPE ir_codes_avermedia[IR_KEYTAB_SIZE]; 108extern IR_KEYTAB_TYPE ir_codes_avermedia_dvbt[IR_KEYTAB_SIZE]; 109extern IR_KEYTAB_TYPE ir_codes_apac_viewcomp[IR_KEYTAB_SIZE]; 110extern IR_KEYTAB_TYPE ir_codes_pixelview[IR_KEYTAB_SIZE]; 111extern IR_KEYTAB_TYPE ir_codes_nebula[IR_KEYTAB_SIZE]; 112extern IR_KEYTAB_TYPE ir_codes_dntv_live_dvb_t[IR_KEYTAB_SIZE]; 113extern IR_KEYTAB_TYPE ir_codes_iodata_bctv7e[IR_KEYTAB_SIZE]; 114extern IR_KEYTAB_TYPE ir_codes_adstech_dvb_t_pci[IR_KEYTAB_SIZE]; 115extern IR_KEYTAB_TYPE ir_codes_msi_tvanywhere[IR_KEYTAB_SIZE]; 116extern IR_KEYTAB_TYPE ir_codes_cinergy_1400[IR_KEYTAB_SIZE]; 117extern IR_KEYTAB_TYPE ir_codes_avertv_303[IR_KEYTAB_SIZE]; 118extern IR_KEYTAB_TYPE ir_codes_dntv_live_dvbt_pro[IR_KEYTAB_SIZE]; 119extern IR_KEYTAB_TYPE ir_codes_em_terratec[IR_KEYTAB_SIZE]; 120extern IR_KEYTAB_TYPE ir_codes_pinnacle_grey[IR_KEYTAB_SIZE]; 121extern IR_KEYTAB_TYPE ir_codes_flyvideo[IR_KEYTAB_SIZE]; 122extern IR_KEYTAB_TYPE ir_codes_flydvb[IR_KEYTAB_SIZE]; 123extern IR_KEYTAB_TYPE ir_codes_cinergy[IR_KEYTAB_SIZE]; 124extern IR_KEYTAB_TYPE ir_codes_eztv[IR_KEYTAB_SIZE]; 125extern IR_KEYTAB_TYPE ir_codes_avermedia[IR_KEYTAB_SIZE]; 126extern IR_KEYTAB_TYPE ir_codes_videomate_tv_pvr[IR_KEYTAB_SIZE]; 127extern IR_KEYTAB_TYPE ir_codes_manli[IR_KEYTAB_SIZE]; 128extern IR_KEYTAB_TYPE ir_codes_gotview7135[IR_KEYTAB_SIZE]; 129extern IR_KEYTAB_TYPE ir_codes_purpletv[IR_KEYTAB_SIZE]; 130extern IR_KEYTAB_TYPE ir_codes_pctv_sedna[IR_KEYTAB_SIZE]; 131extern IR_KEYTAB_TYPE ir_codes_pv951[IR_KEYTAB_SIZE]; 132extern IR_KEYTAB_TYPE ir_codes_rc5_tv[IR_KEYTAB_SIZE]; 133extern IR_KEYTAB_TYPE ir_codes_winfast[IR_KEYTAB_SIZE]; 134extern IR_KEYTAB_TYPE ir_codes_pinnacle_color[IR_KEYTAB_SIZE]; 135extern IR_KEYTAB_TYPE ir_codes_hauppauge_new[IR_KEYTAB_SIZE]; 136extern IR_KEYTAB_TYPE ir_codes_npgtech[IR_KEYTAB_SIZE]; 137extern IR_KEYTAB_TYPE ir_codes_norwood[IR_KEYTAB_SIZE]; 138extern IR_KEYTAB_TYPE ir_codes_proteus_2309[IR_KEYTAB_SIZE]; 139extern IR_KEYTAB_TYPE ir_codes_budget_ci_old[IR_KEYTAB_SIZE]; 140extern IR_KEYTAB_TYPE ir_codes_asus_pc39[IR_KEYTAB_SIZE]; 141extern IR_KEYTAB_TYPE ir_codes_encore_enltv[IR_KEYTAB_SIZE]; 142extern IR_KEYTAB_TYPE ir_codes_tt_1500[IR_KEYTAB_SIZE]; 143 144#endif 145 146/* 147 * Local variables: 148 * c-basic-offset: 8 149 * End: 150 */ 151