Root/include/media/ir-common.h

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#include <linux/interrupt.h>
29
30#define IR_TYPE_RC5 1
31#define IR_TYPE_PD 2 /* Pulse distance encoded IR */
32#define IR_TYPE_OTHER 99
33
34#define IR_KEYTAB_TYPE u32
35#define IR_KEYTAB_SIZE 128 /* enougth for rc5, probably need more some day */
36
37struct ir_scancode {
38    u16 scancode;
39    u32 keycode;
40};
41
42struct ir_scancode_table {
43    struct ir_scancode *scan;
44    int size;
45};
46
47#define IR_KEYCODE(tab,code) (((unsigned)code < IR_KEYTAB_SIZE) \
48                 ? tab[code] : KEY_RESERVED)
49
50#define RC5_START(x) (((x)>>12)&3)
51#define RC5_TOGGLE(x) (((x)>>11)&1)
52#define RC5_ADDR(x) (((x)>>6)&31)
53#define RC5_INSTR(x) ((x)&63)
54
55struct ir_input_state {
56    /* configuration */
57    int ir_type;
58    IR_KEYTAB_TYPE ir_codes[IR_KEYTAB_SIZE];
59
60    /* key info */
61    u32 ir_raw; /* raw data */
62    u32 ir_key; /* ir key code */
63    u32 keycode; /* linux key code */
64    int keypressed; /* current state */
65};
66
67/* this was saa7134_ir and bttv_ir, moved here for
68 * rc5 decoding. */
69struct card_ir {
70    struct input_dev *dev;
71    struct ir_input_state ir;
72    char name[32];
73    char phys[32];
74
75    /* Usual gpio signalling */
76
77    u32 mask_keycode;
78    u32 mask_keydown;
79    u32 mask_keyup;
80    u32 polling;
81    u32 last_gpio;
82    int shift_by;
83    int start; // What should RC5_START() be
84    int addr; // What RC5_ADDR() should be.
85    int rc5_key_timeout;
86    int rc5_remote_gap;
87    struct work_struct work;
88    struct timer_list timer;
89
90    /* RC5 gpio */
91    u32 rc5_gpio;
92    struct timer_list timer_end; /* timer_end for code completion */
93    struct timer_list timer_keyup; /* timer_end for key release */
94    u32 last_rc5; /* last good rc5 code */
95    u32 last_bit; /* last raw bit seen */
96    u32 code; /* raw code under construction */
97    struct timeval base_time; /* time of last seen code */
98    int active; /* building raw code */
99
100    /* NEC decoding */
101    u32 nec_gpio;
102    struct tasklet_struct tlet;
103};
104
105void ir_input_init(struct input_dev *dev, struct ir_input_state *ir,
106           int ir_type, struct ir_scancode_table *ir_codes);
107void ir_input_nokey(struct input_dev *dev, struct ir_input_state *ir);
108void ir_input_keydown(struct input_dev *dev, struct ir_input_state *ir,
109              u32 ir_key, u32 ir_raw);
110u32 ir_extract_bits(u32 data, u32 mask);
111int ir_dump_samples(u32 *samples, int count);
112int ir_decode_biphase(u32 *samples, int count, int low, int high);
113int ir_decode_pulsedistance(u32 *samples, int count, int low, int high);
114
115void ir_rc5_timer_end(unsigned long data);
116void ir_rc5_timer_keyup(unsigned long data);
117
118/* Keymaps to be used by other modules */
119
120extern struct ir_scancode_table ir_codes_empty_table;
121extern struct ir_scancode_table ir_codes_avermedia_table;
122extern struct ir_scancode_table ir_codes_avermedia_dvbt_table;
123extern struct ir_scancode_table ir_codes_avermedia_m135a_table;
124extern struct ir_scancode_table ir_codes_avermedia_cardbus_table;
125extern struct ir_scancode_table ir_codes_apac_viewcomp_table;
126extern struct ir_scancode_table ir_codes_pixelview_table;
127extern struct ir_scancode_table ir_codes_pixelview_new_table;
128extern struct ir_scancode_table ir_codes_nebula_table;
129extern struct ir_scancode_table ir_codes_dntv_live_dvb_t_table;
130extern struct ir_scancode_table ir_codes_iodata_bctv7e_table;
131extern struct ir_scancode_table ir_codes_adstech_dvb_t_pci_table;
132extern struct ir_scancode_table ir_codes_msi_tvanywhere_table;
133extern struct ir_scancode_table ir_codes_cinergy_1400_table;
134extern struct ir_scancode_table ir_codes_avertv_303_table;
135extern struct ir_scancode_table ir_codes_dntv_live_dvbt_pro_table;
136extern struct ir_scancode_table ir_codes_em_terratec_table;
137extern struct ir_scancode_table ir_codes_pinnacle_grey_table;
138extern struct ir_scancode_table ir_codes_flyvideo_table;
139extern struct ir_scancode_table ir_codes_flydvb_table;
140extern struct ir_scancode_table ir_codes_cinergy_table;
141extern struct ir_scancode_table ir_codes_eztv_table;
142extern struct ir_scancode_table ir_codes_avermedia_table;
143extern struct ir_scancode_table ir_codes_videomate_tv_pvr_table;
144extern struct ir_scancode_table ir_codes_manli_table;
145extern struct ir_scancode_table ir_codes_gotview7135_table;
146extern struct ir_scancode_table ir_codes_purpletv_table;
147extern struct ir_scancode_table ir_codes_pctv_sedna_table;
148extern struct ir_scancode_table ir_codes_pv951_table;
149extern struct ir_scancode_table ir_codes_rc5_tv_table;
150extern struct ir_scancode_table ir_codes_winfast_table;
151extern struct ir_scancode_table ir_codes_pinnacle_color_table;
152extern struct ir_scancode_table ir_codes_hauppauge_new_table;
153extern struct ir_scancode_table ir_codes_npgtech_table;
154extern struct ir_scancode_table ir_codes_norwood_table;
155extern struct ir_scancode_table ir_codes_proteus_2309_table;
156extern struct ir_scancode_table ir_codes_budget_ci_old_table;
157extern struct ir_scancode_table ir_codes_asus_pc39_table;
158extern struct ir_scancode_table ir_codes_encore_enltv_table;
159extern struct ir_scancode_table ir_codes_encore_enltv2_table;
160extern struct ir_scancode_table ir_codes_tt_1500_table;
161extern struct ir_scancode_table ir_codes_fusionhdtv_mce_table;
162extern struct ir_scancode_table ir_codes_behold_table;
163extern struct ir_scancode_table ir_codes_behold_columbus_table;
164extern struct ir_scancode_table ir_codes_pinnacle_pctv_hd_table;
165extern struct ir_scancode_table ir_codes_genius_tvgo_a11mce_table;
166extern struct ir_scancode_table ir_codes_powercolor_real_angel_table;
167extern struct ir_scancode_table ir_codes_avermedia_a16d_table;
168extern struct ir_scancode_table ir_codes_encore_enltv_fm53_table;
169extern struct ir_scancode_table ir_codes_real_audio_220_32_keys_table;
170extern struct ir_scancode_table ir_codes_msi_tvanywhere_plus_table;
171extern struct ir_scancode_table ir_codes_ati_tv_wonder_hd_600_table;
172extern struct ir_scancode_table ir_codes_kworld_plus_tv_analog_table;
173extern struct ir_scancode_table ir_codes_kaiomy_table;
174extern struct ir_scancode_table ir_codes_dm1105_nec_table;
175extern struct ir_scancode_table ir_codes_evga_indtube_table;
176extern struct ir_scancode_table ir_codes_terratec_cinergy_xs_table;
177extern struct ir_scancode_table ir_codes_videomate_s350_table;
178extern struct ir_scancode_table ir_codes_gadmei_rm008z_table;
179#endif
180

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