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 #include <media/keycodes/adstech-dvb-t-pci.h>
32 #include <media/keycodes/apac-viewcomp.h>
33 #include <media/keycodes/asus-pc39.h>
34 #include <media/keycodes/ati-tv-wonder-hd-600.h>
35 #include <media/keycodes/avermedia-a16d.h>
36 #include <media/keycodes/avermedia-cardbus.h>
37 #include <media/keycodes/avermedia-dvbt.h>
38 #include <media/keycodes/avermedia.h>
39 #include <media/keycodes/avermedia-m135a-rm-jx.h>
40 #include <media/keycodes/avertv-303.h>
41 #include <media/keycodes/behold-columbus.h>
42 #include <media/keycodes/behold.h>
43 #include <media/keycodes/budget-ci-old.h>
44 #include <media/keycodes/cinergy-1400.h>
45 #include <media/keycodes/cinergy.h>
46 #include <media/keycodes/dm1105-nec.h>
47 #include <media/keycodes/dntv-live-dvb-t.h>
48 #include <media/keycodes/dntv-live-dvbt-pro.h>
49 #include <media/keycodes/empty.h>
50 #include <media/keycodes/em-terratec.h>
51 #include <media/keycodes/encore-enltv2.h>
52 #include <media/keycodes/encore-enltv-fm53.h>
53 #include <media/keycodes/encore-enltv.h>
54 #include <media/keycodes/evga-indtube.h>
55 #include <media/keycodes/eztv.h>
56 #include <media/keycodes/flydvb.h>
57 #include <media/keycodes/flyvideo.h>
58 #include <media/keycodes/fusionhdtv-mce.h>
59 #include <media/keycodes/gadmei-rm008z.h>
60 #include <media/keycodes/genius-tvgo-a11mce.h>
61 #include <media/keycodes/gotview7135.h>
62 #include <media/keycodes/hauppauge-new.h>
63 #include <media/keycodes/iodata-bctv7e.h>
64 #include <media/keycodes/kaiomy.h>
65 #include <media/keycodes/kworld-315u.h>
66 #include <media/keycodes/kworld-plus-tv-analog.h>
67 #include <media/keycodes/manli.h>
68 #include <media/keycodes/msi-tvanywhere.h>
69 #include <media/keycodes/msi-tvanywhere-plus.h>
70 #include <media/keycodes/nebula.h>
71 #include <media/keycodes/nec-terratec-cinergy-xs.h>
72 #include <media/keycodes/norwood.h>
73 #include <media/keycodes/npgtech.h>
74 #include <media/keycodes/pctv-sedna.h>
75 #include <media/keycodes/pinnacle-color.h>
76 #include <media/keycodes/pinnacle-grey.h>
77 #include <media/keycodes/pinnacle-pctv-hd.h>
78 #include <media/keycodes/pixelview.h>
79 #include <media/keycodes/pixelview-new.h>
80 #include <media/keycodes/powercolor-real-angel.h>
81 #include <media/keycodes/proteus-2309.h>
82 #include <media/keycodes/purpletv.h>
83 #include <media/keycodes/pv951.h>
84 #include <media/keycodes/rc5-hauppauge-new.h>
85 #include <media/keycodes/rc5-tv.h>
86 #include <media/keycodes/real-audio-220-32-keys.h>
87 #include <media/keycodes/tbs-nec.h>
88 #include <media/keycodes/terratec-cinergy-xs.h>
89 #include <media/keycodes/tevii-nec.h>
90 #include <media/keycodes/tt-1500.h>
91 #include <media/keycodes/videomate-s350.h>
92 #include <media/keycodes/videomate-tv-pvr.h>
93 #include <media/keycodes/winfast.h>
94 #include <media/keycodes/winfast-usbii-deluxe.h>
96 #define RC5_START(x) (((x)>>12)&3)
97 #define RC5_TOGGLE(x) (((x)>>11)&1)
98 #define RC5_ADDR(x) (((x)>>6)&31)
99 #define RC5_INSTR(x) ((x)&63)
101 struct ir_input_state {
106 u32 ir_key; /* ir scancode */
107 u32 keycode; /* linux key code */
108 int keypressed; /* current state */
111 /* this was saa7134_ir and bttv_ir, moved here for
114 struct input_dev *dev;
115 struct ir_input_state ir;
121 struct ir_dev_props props;
123 /* Usual gpio signalling */
131 int start; // What should RC5_START() be
132 int addr; // What RC5_ADDR() should be.
135 struct work_struct work;
136 struct timer_list timer;
140 struct timer_list timer_end; /* timer_end for code completion */
141 struct timer_list timer_keyup; /* timer_end for key release */
142 u32 last_rc5; /* last good rc5 code */
143 u32 last_bit; /* last raw bit seen */
144 u32 code; /* raw code under construction */
145 struct timeval base_time; /* time of last seen code */
146 int active; /* building raw code */
150 struct tasklet_struct tlet;
152 /* IR core raw decoding */
156 /* Routines from ir-functions.c */
158 int ir_input_init(struct input_dev *dev, struct ir_input_state *ir,
160 void ir_input_nokey(struct input_dev *dev, struct ir_input_state *ir);
161 void ir_input_keydown(struct input_dev *dev, struct ir_input_state *ir,
163 u32 ir_extract_bits(u32 data, u32 mask);
164 int ir_dump_samples(u32 *samples, int count);
165 int ir_decode_biphase(u32 *samples, int count, int low, int high);
166 int ir_decode_pulsedistance(u32 *samples, int count, int low, int high);
167 u32 ir_rc5_decode(unsigned int code);
169 void ir_rc5_timer_end(unsigned long data);
170 void ir_rc5_timer_keyup(unsigned long data);