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>
30 extern int media_ir_debug; /* media_ir_debug level (0,1,2) */
31 #define IR_dprintk(level, fmt, arg...) if (media_ir_debug >= level) \
32 printk(KERN_DEBUG fmt , ## arg)
35 #define IR_TYPE_PD 2 /* Pulse distance encoded IR */
36 #define IR_TYPE_OTHER 99
38 #define IR_KEYTAB_TYPE u32
39 #define IR_KEYTAB_SIZE 128 /* enougth for rc5, probably need more some day */
46 struct ir_scancode_table {
47 struct ir_scancode *scan;
51 #define IR_KEYCODE(tab,code) (((unsigned)code < IR_KEYTAB_SIZE) \
52 ? tab[code] : KEY_RESERVED)
54 #define RC5_START(x) (((x)>>12)&3)
55 #define RC5_TOGGLE(x) (((x)>>11)&1)
56 #define RC5_ADDR(x) (((x)>>6)&31)
57 #define RC5_INSTR(x) ((x)&63)
59 struct ir_input_state {
62 IR_KEYTAB_TYPE ir_codes[IR_KEYTAB_SIZE];
65 u32 ir_key; /* ir scancode */
66 u32 keycode; /* linux key code */
67 int keypressed; /* current state */
70 /* this was saa7134_ir and bttv_ir, moved here for
73 struct input_dev *dev;
74 struct ir_input_state ir;
78 /* Usual gpio signalling */
86 int start; // What should RC5_START() be
87 int addr; // What RC5_ADDR() should be.
90 struct work_struct work;
91 struct timer_list timer;
95 struct timer_list timer_end; /* timer_end for code completion */
96 struct timer_list timer_keyup; /* timer_end for key release */
97 u32 last_rc5; /* last good rc5 code */
98 u32 last_bit; /* last raw bit seen */
99 u32 code; /* raw code under construction */
100 struct timeval base_time; /* time of last seen code */
101 int active; /* building raw code */
105 struct tasklet_struct tlet;
108 /* Routines from ir-functions.c */
110 void ir_input_init(struct input_dev *dev, struct ir_input_state *ir,
111 int ir_type, struct ir_scancode_table *ir_codes);
112 void ir_input_nokey(struct input_dev *dev, struct ir_input_state *ir);
113 void ir_input_keydown(struct input_dev *dev, struct ir_input_state *ir,
115 u32 ir_extract_bits(u32 data, u32 mask);
116 int ir_dump_samples(u32 *samples, int count);
117 int ir_decode_biphase(u32 *samples, int count, int low, int high);
118 int ir_decode_pulsedistance(u32 *samples, int count, int low, int high);
119 u32 ir_rc5_decode(unsigned int code);
121 void ir_rc5_timer_end(unsigned long data);
122 void ir_rc5_timer_keyup(unsigned long data);
124 /* Routines from ir-keytable.c */
126 u32 ir_g_keycode_from_table(struct input_dev *input_dev,
129 int ir_set_keycode_table(struct input_dev *input_dev,
130 struct ir_scancode_table *rc_tab);
132 /* scancode->keycode map tables from ir-keymaps.c */
134 extern struct ir_scancode_table ir_codes_empty_table;
135 extern struct ir_scancode_table ir_codes_avermedia_table;
136 extern struct ir_scancode_table ir_codes_avermedia_dvbt_table;
137 extern struct ir_scancode_table ir_codes_avermedia_m135a_table;
138 extern struct ir_scancode_table ir_codes_avermedia_cardbus_table;
139 extern struct ir_scancode_table ir_codes_apac_viewcomp_table;
140 extern struct ir_scancode_table ir_codes_pixelview_table;
141 extern struct ir_scancode_table ir_codes_pixelview_new_table;
142 extern struct ir_scancode_table ir_codes_nebula_table;
143 extern struct ir_scancode_table ir_codes_dntv_live_dvb_t_table;
144 extern struct ir_scancode_table ir_codes_iodata_bctv7e_table;
145 extern struct ir_scancode_table ir_codes_adstech_dvb_t_pci_table;
146 extern struct ir_scancode_table ir_codes_msi_tvanywhere_table;
147 extern struct ir_scancode_table ir_codes_cinergy_1400_table;
148 extern struct ir_scancode_table ir_codes_avertv_303_table;
149 extern struct ir_scancode_table ir_codes_dntv_live_dvbt_pro_table;
150 extern struct ir_scancode_table ir_codes_em_terratec_table;
151 extern struct ir_scancode_table ir_codes_pinnacle_grey_table;
152 extern struct ir_scancode_table ir_codes_flyvideo_table;
153 extern struct ir_scancode_table ir_codes_flydvb_table;
154 extern struct ir_scancode_table ir_codes_cinergy_table;
155 extern struct ir_scancode_table ir_codes_eztv_table;
156 extern struct ir_scancode_table ir_codes_avermedia_table;
157 extern struct ir_scancode_table ir_codes_videomate_tv_pvr_table;
158 extern struct ir_scancode_table ir_codes_manli_table;
159 extern struct ir_scancode_table ir_codes_gotview7135_table;
160 extern struct ir_scancode_table ir_codes_purpletv_table;
161 extern struct ir_scancode_table ir_codes_pctv_sedna_table;
162 extern struct ir_scancode_table ir_codes_pv951_table;
163 extern struct ir_scancode_table ir_codes_rc5_tv_table;
164 extern struct ir_scancode_table ir_codes_winfast_table;
165 extern struct ir_scancode_table ir_codes_pinnacle_color_table;
166 extern struct ir_scancode_table ir_codes_hauppauge_new_table;
167 extern struct ir_scancode_table ir_codes_npgtech_table;
168 extern struct ir_scancode_table ir_codes_norwood_table;
169 extern struct ir_scancode_table ir_codes_proteus_2309_table;
170 extern struct ir_scancode_table ir_codes_budget_ci_old_table;
171 extern struct ir_scancode_table ir_codes_asus_pc39_table;
172 extern struct ir_scancode_table ir_codes_encore_enltv_table;
173 extern struct ir_scancode_table ir_codes_encore_enltv2_table;
174 extern struct ir_scancode_table ir_codes_tt_1500_table;
175 extern struct ir_scancode_table ir_codes_fusionhdtv_mce_table;
176 extern struct ir_scancode_table ir_codes_behold_table;
177 extern struct ir_scancode_table ir_codes_behold_columbus_table;
178 extern struct ir_scancode_table ir_codes_pinnacle_pctv_hd_table;
179 extern struct ir_scancode_table ir_codes_genius_tvgo_a11mce_table;
180 extern struct ir_scancode_table ir_codes_powercolor_real_angel_table;
181 extern struct ir_scancode_table ir_codes_avermedia_a16d_table;
182 extern struct ir_scancode_table ir_codes_encore_enltv_fm53_table;
183 extern struct ir_scancode_table ir_codes_real_audio_220_32_keys_table;
184 extern struct ir_scancode_table ir_codes_msi_tvanywhere_plus_table;
185 extern struct ir_scancode_table ir_codes_ati_tv_wonder_hd_600_table;
186 extern struct ir_scancode_table ir_codes_kworld_plus_tv_analog_table;
187 extern struct ir_scancode_table ir_codes_kaiomy_table;
188 extern struct ir_scancode_table ir_codes_dm1105_nec_table;
189 extern struct ir_scancode_table ir_codes_tevii_nec_table;
190 extern struct ir_scancode_table ir_codes_tbs_nec_table;
191 extern struct ir_scancode_table ir_codes_evga_indtube_table;
192 extern struct ir_scancode_table ir_codes_terratec_cinergy_xs_table;
193 extern struct ir_scancode_table ir_codes_videomate_s350_table;
194 extern struct ir_scancode_table ir_codes_gadmei_rm008z_table;