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
29#define IR_TYPE_RC5     1
30#define IR_TYPE_PD      2 /* Pulse distance encoded IR */
31#define IR_TYPE_OTHER  99
32
33#define IR_KEYTAB_TYPE	u32
34#define IR_KEYTAB_SIZE	128  // enougth for rc5, probably need more some day ...
35
36#define IR_KEYCODE(tab,code)	(((unsigned)code < IR_KEYTAB_SIZE) \
37				 ? tab[code] : KEY_RESERVED)
38
39#define RC5_START(x)	(((x)>>12)&3)
40#define RC5_TOGGLE(x)	(((x)>>11)&1)
41#define RC5_ADDR(x)	(((x)>>6)&31)
42#define RC5_INSTR(x)	((x)&63)
43
44struct ir_input_state {
45	/* configuration */
46	int                ir_type;
47	IR_KEYTAB_TYPE     ir_codes[IR_KEYTAB_SIZE];
48
49	/* key info */
50	u32                ir_raw;      /* raw data */
51	u32                ir_key;      /* ir key code */
52	u32                keycode;     /* linux key code */
53	int                keypressed;  /* current state */
54};
55
56/* this was saa7134_ir and bttv_ir, moved here for
57 * rc5 decoding. */
58struct card_ir {
59	struct input_dev        *dev;
60	struct ir_input_state   ir;
61	char                    name[32];
62	char                    phys[32];
63
64	/* Usual gpio signalling */
65
66	u32                     mask_keycode;
67	u32                     mask_keydown;
68	u32                     mask_keyup;
69	u32                     polling;
70	u32                     last_gpio;
71	int			shift_by;
72	int			start; // What should RC5_START() be
73	int			addr; // What RC5_ADDR() should be.
74	int			rc5_key_timeout;
75	int			rc5_remote_gap;
76	struct work_struct      work;
77	struct timer_list       timer;
78
79	/* RC5 gpio */
80	u32 rc5_gpio;
81	struct timer_list timer_end;	/* timer_end for code completion */
82	struct timer_list timer_keyup;	/* timer_end for key release */
83	u32 last_rc5;			/* last good rc5 code */
84	u32 last_bit;			/* last raw bit seen */
85	u32 code;			/* raw code under construction */
86	struct timeval base_time;	/* time of last seen code */
87	int active;			/* building raw code */
88};
89
90void ir_input_init(struct input_dev *dev, struct ir_input_state *ir,
91		   int ir_type, IR_KEYTAB_TYPE *ir_codes);
92void ir_input_nokey(struct input_dev *dev, struct ir_input_state *ir);
93void ir_input_keydown(struct input_dev *dev, struct ir_input_state *ir,
94		      u32 ir_key, u32 ir_raw);
95u32  ir_extract_bits(u32 data, u32 mask);
96int  ir_dump_samples(u32 *samples, int count);
97int  ir_decode_biphase(u32 *samples, int count, int low, int high);
98int  ir_decode_pulsedistance(u32 *samples, int count, int low, int high);
99
100u32 ir_rc5_decode(unsigned int code);
101void ir_rc5_timer_end(unsigned long data);
102void ir_rc5_timer_keyup(unsigned long data);
103
104/* Keymaps to be used by other modules */
105
106extern IR_KEYTAB_TYPE ir_codes_empty[IR_KEYTAB_SIZE];
107extern IR_KEYTAB_TYPE ir_codes_avermedia[IR_KEYTAB_SIZE];
108extern IR_KEYTAB_TYPE ir_codes_avermedia_dvbt[IR_KEYTAB_SIZE];
109extern IR_KEYTAB_TYPE ir_codes_apac_viewcomp[IR_KEYTAB_SIZE];
110extern IR_KEYTAB_TYPE ir_codes_pixelview[IR_KEYTAB_SIZE];
111extern IR_KEYTAB_TYPE ir_codes_nebula[IR_KEYTAB_SIZE];
112extern IR_KEYTAB_TYPE ir_codes_dntv_live_dvb_t[IR_KEYTAB_SIZE];
113extern IR_KEYTAB_TYPE ir_codes_iodata_bctv7e[IR_KEYTAB_SIZE];
114extern IR_KEYTAB_TYPE ir_codes_adstech_dvb_t_pci[IR_KEYTAB_SIZE];
115extern IR_KEYTAB_TYPE ir_codes_msi_tvanywhere[IR_KEYTAB_SIZE];
116extern IR_KEYTAB_TYPE ir_codes_cinergy_1400[IR_KEYTAB_SIZE];
117extern IR_KEYTAB_TYPE ir_codes_avertv_303[IR_KEYTAB_SIZE];
118extern IR_KEYTAB_TYPE ir_codes_dntv_live_dvbt_pro[IR_KEYTAB_SIZE];
119extern IR_KEYTAB_TYPE ir_codes_em_terratec[IR_KEYTAB_SIZE];
120extern IR_KEYTAB_TYPE ir_codes_pinnacle_grey[IR_KEYTAB_SIZE];
121extern IR_KEYTAB_TYPE ir_codes_flyvideo[IR_KEYTAB_SIZE];
122extern IR_KEYTAB_TYPE ir_codes_flydvb[IR_KEYTAB_SIZE];
123extern IR_KEYTAB_TYPE ir_codes_cinergy[IR_KEYTAB_SIZE];
124extern IR_KEYTAB_TYPE ir_codes_eztv[IR_KEYTAB_SIZE];
125extern IR_KEYTAB_TYPE ir_codes_avermedia[IR_KEYTAB_SIZE];
126extern IR_KEYTAB_TYPE ir_codes_videomate_tv_pvr[IR_KEYTAB_SIZE];
127extern IR_KEYTAB_TYPE ir_codes_manli[IR_KEYTAB_SIZE];
128extern IR_KEYTAB_TYPE ir_codes_gotview7135[IR_KEYTAB_SIZE];
129extern IR_KEYTAB_TYPE ir_codes_purpletv[IR_KEYTAB_SIZE];
130extern IR_KEYTAB_TYPE ir_codes_pctv_sedna[IR_KEYTAB_SIZE];
131extern IR_KEYTAB_TYPE ir_codes_pv951[IR_KEYTAB_SIZE];
132extern IR_KEYTAB_TYPE ir_codes_rc5_tv[IR_KEYTAB_SIZE];
133extern IR_KEYTAB_TYPE ir_codes_winfast[IR_KEYTAB_SIZE];
134extern IR_KEYTAB_TYPE ir_codes_pinnacle_color[IR_KEYTAB_SIZE];
135extern IR_KEYTAB_TYPE ir_codes_hauppauge_new[IR_KEYTAB_SIZE];
136extern IR_KEYTAB_TYPE ir_codes_npgtech[IR_KEYTAB_SIZE];
137extern IR_KEYTAB_TYPE ir_codes_norwood[IR_KEYTAB_SIZE];
138extern IR_KEYTAB_TYPE ir_codes_proteus_2309[IR_KEYTAB_SIZE];
139extern IR_KEYTAB_TYPE ir_codes_budget_ci_old[IR_KEYTAB_SIZE];
140extern IR_KEYTAB_TYPE ir_codes_asus_pc39[IR_KEYTAB_SIZE];
141extern IR_KEYTAB_TYPE ir_codes_encore_enltv[IR_KEYTAB_SIZE];
142extern IR_KEYTAB_TYPE ir_codes_tt_1500[IR_KEYTAB_SIZE];
143
144#endif
145
146/*
147 * Local variables:
148 * c-basic-offset: 8
149 * End:
150 */
151