aboutsummaryrefslogtreecommitdiffstats
path: root/include/media/ir-common.h
blob: 45bf5cf59458e6abc1a7d8eead4cf6379b816ffc (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
/*
 *
 * some common structs and functions to handle infrared remotes via
 * input layer ...
 *
 * (c) 2003 Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2 of the License, or
 *  (at your option) any later version.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

#ifndef _IR_COMMON
#define _IR_COMMON

#include <linux/input.h>
#include <linux/workqueue.h>
#include <linux/interrupt.h>
#include <linux/spinlock.h>

extern int media_ir_debug;    /* media_ir_debug level (0,1,2) */
#define IR_dprintk(level, fmt, arg...)	if (media_ir_debug >= level) \
	printk(KERN_DEBUG "%s: " fmt , __func__, ## arg)

enum ir_type {
	IR_TYPE_UNKNOWN = 0,
	IR_TYPE_RC5 = 1,
	IR_TYPE_PD = 2,		 /* Pulse distance encoded IR */
	IR_TYPE_NEC = 3,
	IR_TYPE_OTHER = 99,
};

struct ir_scancode {
	u16	scancode;
	u32	keycode;
};

struct ir_scancode_table {
	struct ir_scancode *scan;
	int size;
	enum ir_type ir_type;
	spinlock_t lock;
};

#define RC5_START(x)	(((x)>>12)&3)
#define RC5_TOGGLE(x)	(((x)>>11)&1)
#define RC5_ADDR(x)	(((x)>>6)&31)
#define RC5_INSTR(x)	((x)&63)

struct ir_input_state {
	/* configuration */
	int                ir_type;

	struct ir_scancode_table keytable;

	/* key info */
	u32                ir_key;      /* ir scancode */
	u32                keycode;     /* linux key code */
	int                keypressed;  /* current state */
};

/* this was saa7134_ir and bttv_ir, moved here for
 * rc5 decoding. */
struct card_ir {
	struct input_dev        *dev;
	struct ir_input_state   ir;
	char                    name[32];
	char                    phys[32];

	/* Usual gpio signalling */

	u32                     mask_keycode;
	u32                     mask_keydown;
	u32                     mask_keyup;
	u32                     polling;
	u32                     last_gpio;
	int			shift_by;
	int			start; // What should RC5_START() be
	int			addr; // What RC5_ADDR() should be.
	int			rc5_key_timeout;
	int			rc5_remote_gap;
	struct work_struct      work;
	struct timer_list       timer;

	/* RC5 gpio */
	u32 rc5_gpio;
	struct timer_list timer_end;	/* timer_end for code completion */
	struct timer_list timer_keyup;	/* timer_end for key release */
	u32 last_rc5;			/* last good rc5 code */
	u32 last_bit;			/* last raw bit seen */
	u32 code;			/* raw code under construction */
	struct timeval base_time;	/* time of last seen code */
	int active;			/* building raw code */

	/* NEC decoding */
	u32			nec_gpio;
	struct tasklet_struct   tlet;
};

/* Routines from ir-functions.c */

int ir_input_init(struct input_dev *dev, struct ir_input_state *ir,
		   int ir_type, struct ir_scancode_table *ir_codes);
void ir_input_nokey(struct input_dev *dev, struct ir_input_state *ir);
void ir_input_keydown(struct input_dev *dev, struct ir_input_state *ir,
		      u32 ir_key);
u32  ir_extract_bits(u32 data, u32 mask);
int  ir_dump_samples(u32 *samples, int count);
int  ir_decode_biphase(u32 *samples, int count, int low, int high);
int  ir_decode_pulsedistance(u32 *samples, int count, int low, int high);
u32  ir_rc5_decode(unsigned int code);

void ir_rc5_timer_end(unsigned long data);
void ir_rc5_timer_keyup(unsigned long data);

/* Routines from ir-keytable.c */

u32 ir_g_keycode_from_table(struct input_dev *input_dev,
			    u32 scancode);

int ir_set_keycode_table(struct input_dev *input_dev,
			 struct ir_scancode_table *rc_tab);

int ir_roundup_tablesize(int n_elems);
int ir_copy_table(struct ir_scancode_table *destin,
		 const struct ir_scancode_table *origin);
void ir_input_free(struct input_dev *input_dev);

/* scancode->keycode map tables from ir-keymaps.c */

extern struct ir_scancode_table ir_codes_empty_table;
extern struct ir_scancode_table ir_codes_avermedia_table;
extern struct ir_scancode_table ir_codes_avermedia_dvbt_table;
extern struct ir_scancode_table ir_codes_avermedia_m135a_table;
extern struct ir_scancode_table ir_codes_avermedia_cardbus_table;
extern struct ir_scancode_table ir_codes_apac_viewcomp_table;
extern struct ir_scancode_table ir_codes_pixelview_table;
extern struct ir_scancode_table ir_codes_pixelview_new_table;
extern struct ir_scancode_table ir_codes_nebula_table;
extern struct ir_scancode_table ir_codes_dntv_live_dvb_t_table;
extern struct ir_scancode_table ir_codes_iodata_bctv7e_table;
extern struct ir_scancode_table ir_codes_adstech_dvb_t_pci_table;
extern struct ir_scancode_table ir_codes_msi_tvanywhere_table;
extern struct ir_scancode_table ir_codes_cinergy_1400_table;
extern struct ir_scancode_table ir_codes_avertv_303_table;
extern struct ir_scancode_table ir_codes_dntv_live_dvbt_pro_table;
extern struct ir_scancode_table ir_codes_em_terratec_table;
extern struct ir_scancode_table ir_codes_pinnacle_grey_table;
extern struct ir_scancode_table ir_codes_flyvideo_table;
extern struct ir_scancode_table ir_codes_flydvb_table;
extern struct ir_scancode_table ir_codes_cinergy_table;
extern struct ir_scancode_table ir_codes_eztv_table;
extern struct ir_scancode_table ir_codes_avermedia_table;
extern struct ir_scancode_table ir_codes_videomate_tv_pvr_table;
extern struct ir_scancode_table ir_codes_manli_table;
extern struct ir_scancode_table ir_codes_gotview7135_table;
extern struct ir_scancode_table ir_codes_purpletv_table;
extern struct ir_scancode_table ir_codes_pctv_sedna_table;
extern struct ir_scancode_table ir_codes_pv951_table;
extern struct ir_scancode_table ir_codes_rc5_tv_table;
extern struct ir_scancode_table ir_codes_winfast_table;
extern struct ir_scancode_table ir_codes_pinnacle_color_table;
extern struct ir_scancode_table ir_codes_hauppauge_new_table;
extern struct ir_scancode_table ir_codes_rc5_hauppauge_new_table;
extern struct ir_scancode_table ir_codes_npgtech_table;
extern struct ir_scancode_table ir_codes_norwood_table;
extern struct ir_scancode_table ir_codes_proteus_2309_table;
extern struct ir_scancode_table ir_codes_budget_ci_old_table;
extern struct ir_scancode_table ir_codes_asus_pc39_table;
extern struct ir_scancode_table ir_codes_encore_enltv_table;
extern struct ir_scancode_table ir_codes_encore_enltv2_table;
extern struct ir_scancode_table ir_codes_tt_1500_table;
extern struct ir_scancode_table ir_codes_fusionhdtv_mce_table;
extern struct ir_scancode_table ir_codes_behold_table;
extern struct ir_scancode_table ir_codes_behold_columbus_table;
extern struct ir_scancode_table ir_codes_pinnacle_pctv_hd_table;
extern struct ir_scancode_table ir_codes_genius_tvgo_a11mce_table;
extern struct ir_scancode_table ir_codes_powercolor_real_angel_table;
extern struct ir_scancode_table ir_codes_avermedia_a16d_table;
extern struct ir_scancode_table ir_codes_encore_enltv_fm53_table;
extern struct ir_scancode_table ir_codes_real_audio_220_32_keys_table;
extern struct ir_scancode_table ir_codes_msi_tvanywhere_plus_table;
extern struct ir_scancode_table ir_codes_ati_tv_wonder_hd_600_table;
extern struct ir_scancode_table ir_codes_kworld_plus_tv_analog_table;
extern struct ir_scancode_table ir_codes_kaiomy_table;
extern struct ir_scancode_table ir_codes_dm1105_nec_table;
extern struct ir_scancode_table ir_codes_tevii_nec_table;
extern struct ir_scancode_table ir_codes_tbs_nec_table;
extern struct ir_scancode_table ir_codes_evga_indtube_table;
extern struct ir_scancode_table ir_codes_terratec_cinergy_xs_table;
extern struct ir_scancode_table ir_codes_videomate_s350_table;
extern struct ir_scancode_table ir_codes_gadmei_rm008z_table;
extern struct ir_scancode_table ir_codes_nec_terratec_cinergy_xs_table;
#endif