3 * some common structs and functions to handle infrared remotes via
6 * (c) 2003 Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]
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.
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.
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
26 #include <linux/input.h>
27 #include <linux/workqueue.h>
28 #include <linux/interrupt.h>
31 #define IR_TYPE_PD 2 /* Pulse distance encoded IR */
32 #define IR_TYPE_OTHER 99
34 #define IR_KEYTAB_TYPE u32
35 #define IR_KEYTAB_SIZE 128 // enougth for rc5, probably need more some day ...
37 #define IR_KEYCODE(tab,code) (((unsigned)code < IR_KEYTAB_SIZE) \
38 ? tab[code] : KEY_RESERVED)
40 #define RC5_START(x) (((x)>>12)&3)
41 #define RC5_TOGGLE(x) (((x)>>11)&1)
42 #define RC5_ADDR(x) (((x)>>6)&31)
43 #define RC5_INSTR(x) ((x)&63)
45 struct ir_input_state {
48 IR_KEYTAB_TYPE ir_codes[IR_KEYTAB_SIZE];
51 u32 ir_raw; /* raw data */
52 u32 ir_key; /* ir key code */
53 u32 keycode; /* linux key code */
54 int keypressed; /* current state */
57 /* this was saa7134_ir and bttv_ir, moved here for
60 struct input_dev *dev;
61 struct ir_input_state ir;
65 /* Usual gpio signalling */
73 int start; // What should RC5_START() be
74 int addr; // What RC5_ADDR() should be.
77 struct work_struct work;
78 struct timer_list timer;
82 struct timer_list timer_end; /* timer_end for code completion */
83 struct timer_list timer_keyup; /* timer_end for key release */
84 u32 last_rc5; /* last good rc5 code */
85 u32 last_bit; /* last raw bit seen */
86 u32 code; /* raw code under construction */
87 struct timeval base_time; /* time of last seen code */
88 int active; /* building raw code */
92 struct tasklet_struct tlet;
95 void ir_input_init(struct input_dev *dev, struct ir_input_state *ir,
96 int ir_type, IR_KEYTAB_TYPE *ir_codes);
97 void ir_input_nokey(struct input_dev *dev, struct ir_input_state *ir);
98 void ir_input_keydown(struct input_dev *dev, struct ir_input_state *ir,
99 u32 ir_key, u32 ir_raw);
100 u32 ir_extract_bits(u32 data, u32 mask);
101 int ir_dump_samples(u32 *samples, int count);
102 int ir_decode_biphase(u32 *samples, int count, int low, int high);
103 int ir_decode_pulsedistance(u32 *samples, int count, int low, int high);
105 void ir_rc5_timer_end(unsigned long data);
106 void ir_rc5_timer_keyup(unsigned long data);
108 /* Keymaps to be used by other modules */
110 extern IR_KEYTAB_TYPE ir_codes_empty[IR_KEYTAB_SIZE];
111 extern IR_KEYTAB_TYPE ir_codes_avermedia[IR_KEYTAB_SIZE];
112 extern IR_KEYTAB_TYPE ir_codes_avermedia_dvbt[IR_KEYTAB_SIZE];
113 extern IR_KEYTAB_TYPE ir_codes_avermedia_m135a[IR_KEYTAB_SIZE];
114 extern IR_KEYTAB_TYPE ir_codes_apac_viewcomp[IR_KEYTAB_SIZE];
115 extern IR_KEYTAB_TYPE ir_codes_pixelview[IR_KEYTAB_SIZE];
116 extern IR_KEYTAB_TYPE ir_codes_pixelview_new[IR_KEYTAB_SIZE];
117 extern IR_KEYTAB_TYPE ir_codes_nebula[IR_KEYTAB_SIZE];
118 extern IR_KEYTAB_TYPE ir_codes_dntv_live_dvb_t[IR_KEYTAB_SIZE];
119 extern IR_KEYTAB_TYPE ir_codes_iodata_bctv7e[IR_KEYTAB_SIZE];
120 extern IR_KEYTAB_TYPE ir_codes_adstech_dvb_t_pci[IR_KEYTAB_SIZE];
121 extern IR_KEYTAB_TYPE ir_codes_msi_tvanywhere[IR_KEYTAB_SIZE];
122 extern IR_KEYTAB_TYPE ir_codes_cinergy_1400[IR_KEYTAB_SIZE];
123 extern IR_KEYTAB_TYPE ir_codes_avertv_303[IR_KEYTAB_SIZE];
124 extern IR_KEYTAB_TYPE ir_codes_dntv_live_dvbt_pro[IR_KEYTAB_SIZE];
125 extern IR_KEYTAB_TYPE ir_codes_em_terratec[IR_KEYTAB_SIZE];
126 extern IR_KEYTAB_TYPE ir_codes_pinnacle_grey[IR_KEYTAB_SIZE];
127 extern IR_KEYTAB_TYPE ir_codes_flyvideo[IR_KEYTAB_SIZE];
128 extern IR_KEYTAB_TYPE ir_codes_flydvb[IR_KEYTAB_SIZE];
129 extern IR_KEYTAB_TYPE ir_codes_cinergy[IR_KEYTAB_SIZE];
130 extern IR_KEYTAB_TYPE ir_codes_eztv[IR_KEYTAB_SIZE];
131 extern IR_KEYTAB_TYPE ir_codes_avermedia[IR_KEYTAB_SIZE];
132 extern IR_KEYTAB_TYPE ir_codes_videomate_tv_pvr[IR_KEYTAB_SIZE];
133 extern IR_KEYTAB_TYPE ir_codes_manli[IR_KEYTAB_SIZE];
134 extern IR_KEYTAB_TYPE ir_codes_gotview7135[IR_KEYTAB_SIZE];
135 extern IR_KEYTAB_TYPE ir_codes_purpletv[IR_KEYTAB_SIZE];
136 extern IR_KEYTAB_TYPE ir_codes_pctv_sedna[IR_KEYTAB_SIZE];
137 extern IR_KEYTAB_TYPE ir_codes_pv951[IR_KEYTAB_SIZE];
138 extern IR_KEYTAB_TYPE ir_codes_rc5_tv[IR_KEYTAB_SIZE];
139 extern IR_KEYTAB_TYPE ir_codes_winfast[IR_KEYTAB_SIZE];
140 extern IR_KEYTAB_TYPE ir_codes_pinnacle_color[IR_KEYTAB_SIZE];
141 extern IR_KEYTAB_TYPE ir_codes_hauppauge_new[IR_KEYTAB_SIZE];
142 extern IR_KEYTAB_TYPE ir_codes_npgtech[IR_KEYTAB_SIZE];
143 extern IR_KEYTAB_TYPE ir_codes_norwood[IR_KEYTAB_SIZE];
144 extern IR_KEYTAB_TYPE ir_codes_proteus_2309[IR_KEYTAB_SIZE];
145 extern IR_KEYTAB_TYPE ir_codes_budget_ci_old[IR_KEYTAB_SIZE];
146 extern IR_KEYTAB_TYPE ir_codes_asus_pc39[IR_KEYTAB_SIZE];
147 extern IR_KEYTAB_TYPE ir_codes_encore_enltv[IR_KEYTAB_SIZE];
148 extern IR_KEYTAB_TYPE ir_codes_encore_enltv2[IR_KEYTAB_SIZE];
149 extern IR_KEYTAB_TYPE ir_codes_tt_1500[IR_KEYTAB_SIZE];
150 extern IR_KEYTAB_TYPE ir_codes_fusionhdtv_mce[IR_KEYTAB_SIZE];
151 extern IR_KEYTAB_TYPE ir_codes_behold[IR_KEYTAB_SIZE];
152 extern IR_KEYTAB_TYPE ir_codes_behold_columbus[IR_KEYTAB_SIZE];
153 extern IR_KEYTAB_TYPE ir_codes_pinnacle_pctv_hd[IR_KEYTAB_SIZE];
154 extern IR_KEYTAB_TYPE ir_codes_genius_tvgo_a11mce[IR_KEYTAB_SIZE];
155 extern IR_KEYTAB_TYPE ir_codes_powercolor_real_angel[IR_KEYTAB_SIZE];
156 extern IR_KEYTAB_TYPE ir_codes_avermedia_a16d[IR_KEYTAB_SIZE];
157 extern IR_KEYTAB_TYPE ir_codes_encore_enltv_fm53[IR_KEYTAB_SIZE];
158 extern IR_KEYTAB_TYPE ir_codes_real_audio_220_32_keys[IR_KEYTAB_SIZE];
159 extern IR_KEYTAB_TYPE ir_codes_msi_tvanywhere_plus[IR_KEYTAB_SIZE];
160 extern IR_KEYTAB_TYPE ir_codes_ati_tv_wonder_hd_600[IR_KEYTAB_SIZE];
161 extern IR_KEYTAB_TYPE ir_codes_kworld_plus_tv_analog[IR_KEYTAB_SIZE];