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>
29 #include <media/ir-core.h>
31 #define RC5_START(x) (((x)>>12)&3)
32 #define RC5_TOGGLE(x) (((x)>>11)&1)
33 #define RC5_ADDR(x) (((x)>>6)&31)
34 #define RC5_INSTR(x) ((x)&63)
36 struct ir_input_state {
41 u32 ir_key; /* ir scancode */
42 u32 keycode; /* linux key code */
43 int keypressed; /* current state */
46 /* this was saa7134_ir and bttv_ir, moved here for
49 struct input_dev *dev;
50 struct ir_input_state ir;
56 struct ir_dev_props props;
58 /* Usual gpio signalling */
66 int start; // What should RC5_START() be
67 int addr; // What RC5_ADDR() should be.
70 struct work_struct work;
71 struct timer_list timer;
75 struct timer_list timer_end; /* timer_end for code completion */
76 struct timer_list timer_keyup; /* timer_end for key release */
77 u32 last_rc5; /* last good rc5 code */
78 u32 last_bit; /* last raw bit seen */
79 u32 code; /* raw code under construction */
80 struct timeval base_time; /* time of last seen code */
81 int active; /* building raw code */
85 struct tasklet_struct tlet;
87 /* IR core raw decoding */
91 /* Routines from ir-functions.c */
93 int ir_input_init(struct input_dev *dev, struct ir_input_state *ir,
95 void ir_input_nokey(struct input_dev *dev, struct ir_input_state *ir);
96 void ir_input_keydown(struct input_dev *dev, struct ir_input_state *ir,
98 u32 ir_extract_bits(u32 data, u32 mask);
99 int ir_dump_samples(u32 *samples, int count);
100 int ir_decode_biphase(u32 *samples, int count, int low, int high);
101 int ir_decode_pulsedistance(u32 *samples, int count, int low, int high);
102 u32 ir_rc5_decode(unsigned int code);
104 void ir_rc5_timer_end(unsigned long data);
105 void ir_rc5_timer_keyup(unsigned long data);
107 /* scancode->keycode map tables from ir-keymaps.c */
109 #define IR_KEYTABLE(a) \
110 ir_codes_ ## a ## _table
112 #define DECLARE_IR_KEYTABLE(a) \
113 extern struct ir_scancode_table IR_KEYTABLE(a)
115 #define DEFINE_IR_KEYTABLE(tabname, type) \
116 struct ir_scancode_table IR_KEYTABLE(tabname) = { \
118 .size = ARRAY_SIZE(tabname), \
122 EXPORT_SYMBOL_GPL(IR_KEYTABLE(tabname))
124 #define DEFINE_LEGACY_IR_KEYTABLE(tabname) \
125 DEFINE_IR_KEYTABLE(tabname, IR_TYPE_UNKNOWN)
127 DECLARE_IR_KEYTABLE(adstech_dvb_t_pci);
128 DECLARE_IR_KEYTABLE(apac_viewcomp);
129 DECLARE_IR_KEYTABLE(asus_pc39);
130 DECLARE_IR_KEYTABLE(ati_tv_wonder_hd_600);
131 DECLARE_IR_KEYTABLE(avermedia);
132 DECLARE_IR_KEYTABLE(avermedia_a16d);
133 DECLARE_IR_KEYTABLE(avermedia_cardbus);
134 DECLARE_IR_KEYTABLE(avermedia_dvbt);
135 DECLARE_IR_KEYTABLE(avermedia_m135a_rm_jx);
136 DECLARE_IR_KEYTABLE(avertv_303);
137 DECLARE_IR_KEYTABLE(behold);
138 DECLARE_IR_KEYTABLE(behold_columbus);
139 DECLARE_IR_KEYTABLE(budget_ci_old);
140 DECLARE_IR_KEYTABLE(cinergy);
141 DECLARE_IR_KEYTABLE(cinergy_1400);
142 DECLARE_IR_KEYTABLE(dm1105_nec);
143 DECLARE_IR_KEYTABLE(dntv_live_dvb_t);
144 DECLARE_IR_KEYTABLE(dntv_live_dvbt_pro);
145 DECLARE_IR_KEYTABLE(empty);
146 DECLARE_IR_KEYTABLE(em_terratec);
147 DECLARE_IR_KEYTABLE(encore_enltv);
148 DECLARE_IR_KEYTABLE(encore_enltv2);
149 DECLARE_IR_KEYTABLE(encore_enltv_fm53);
150 DECLARE_IR_KEYTABLE(evga_indtube);
151 DECLARE_IR_KEYTABLE(eztv);
152 DECLARE_IR_KEYTABLE(flydvb);
153 DECLARE_IR_KEYTABLE(flyvideo);
154 DECLARE_IR_KEYTABLE(fusionhdtv_mce);
155 DECLARE_IR_KEYTABLE(gadmei_rm008z);
156 DECLARE_IR_KEYTABLE(genius_tvgo_a11mce);
157 DECLARE_IR_KEYTABLE(gotview7135);
158 DECLARE_IR_KEYTABLE(hauppauge_new);
159 DECLARE_IR_KEYTABLE(iodata_bctv7e);
160 DECLARE_IR_KEYTABLE(kaiomy);
161 DECLARE_IR_KEYTABLE(kworld_315u);
162 DECLARE_IR_KEYTABLE(kworld_plus_tv_analog);
163 DECLARE_IR_KEYTABLE(manli);
164 DECLARE_IR_KEYTABLE(msi_tvanywhere);
165 DECLARE_IR_KEYTABLE(msi_tvanywhere_plus);
166 DECLARE_IR_KEYTABLE(nebula);
167 DECLARE_IR_KEYTABLE(nec_terratec_cinergy_xs);
168 DECLARE_IR_KEYTABLE(norwood);
169 DECLARE_IR_KEYTABLE(npgtech);
170 DECLARE_IR_KEYTABLE(pctv_sedna);
171 DECLARE_IR_KEYTABLE(pinnacle_color);
172 DECLARE_IR_KEYTABLE(pinnacle_grey);
173 DECLARE_IR_KEYTABLE(pinnacle_pctv_hd);
174 DECLARE_IR_KEYTABLE(pixelview);
175 DECLARE_IR_KEYTABLE(pixelview_new);
176 DECLARE_IR_KEYTABLE(powercolor_real_angel);
177 DECLARE_IR_KEYTABLE(proteus_2309);
178 DECLARE_IR_KEYTABLE(purpletv);
179 DECLARE_IR_KEYTABLE(pv951);
180 DECLARE_IR_KEYTABLE(rc5_hauppauge_new);
181 DECLARE_IR_KEYTABLE(rc5_tv);
182 DECLARE_IR_KEYTABLE(real_audio_220_32_keys);
183 DECLARE_IR_KEYTABLE(tbs_nec);
184 DECLARE_IR_KEYTABLE(terratec_cinergy_xs);
185 DECLARE_IR_KEYTABLE(tevii_nec);
186 DECLARE_IR_KEYTABLE(tt_1500);
187 DECLARE_IR_KEYTABLE(videomate_s350);
188 DECLARE_IR_KEYTABLE(videomate_tv_pvr);
189 DECLARE_IR_KEYTABLE(winfast);
190 DECLARE_IR_KEYTABLE(winfast_usbii_deluxe);