[mirror_ubuntu-bionic-kernel.git] / include / media / ir-common.h

/*
 *
 * 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>

#define IR_TYPE_RC5     1
#define IR_TYPE_PD      2 /* Pulse distance encoded IR */
#define IR_TYPE_OTHER  99

#define IR_KEYTAB_TYPE	u32
#define IR_KEYTAB_SIZE	128  // enougth for rc5, probably need more some day ...

#define IR_KEYCODE(tab,code)	(((unsigned)code < IR_KEYTAB_SIZE) \
				 ? tab[code] : KEY_RESERVED)

#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;
	IR_KEYTAB_TYPE     ir_codes[IR_KEYTAB_SIZE];

	/* key info */
	u32                ir_raw;      /* raw data */
	u32                ir_key;      /* ir key code */
	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 */
};

void ir_input_init(struct input_dev *dev, struct ir_input_state *ir,
		   int ir_type, IR_KEYTAB_TYPE *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_raw);
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);

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

/* Keymaps to be used by other modules */

extern IR_KEYTAB_TYPE ir_codes_empty[IR_KEYTAB_SIZE];
extern IR_KEYTAB_TYPE ir_codes_avermedia[IR_KEYTAB_SIZE];
extern IR_KEYTAB_TYPE ir_codes_avermedia_dvbt[IR_KEYTAB_SIZE];
extern IR_KEYTAB_TYPE ir_codes_apac_viewcomp[IR_KEYTAB_SIZE];
extern IR_KEYTAB_TYPE ir_codes_pixelview[IR_KEYTAB_SIZE];
extern IR_KEYTAB_TYPE ir_codes_pixelview_new[IR_KEYTAB_SIZE];
extern IR_KEYTAB_TYPE ir_codes_nebula[IR_KEYTAB_SIZE];
extern IR_KEYTAB_TYPE ir_codes_dntv_live_dvb_t[IR_KEYTAB_SIZE];
extern IR_KEYTAB_TYPE ir_codes_iodata_bctv7e[IR_KEYTAB_SIZE];
extern IR_KEYTAB_TYPE ir_codes_adstech_dvb_t_pci[IR_KEYTAB_SIZE];
extern IR_KEYTAB_TYPE ir_codes_msi_tvanywhere[IR_KEYTAB_SIZE];
extern IR_KEYTAB_TYPE ir_codes_cinergy_1400[IR_KEYTAB_SIZE];
extern IR_KEYTAB_TYPE ir_codes_avertv_303[IR_KEYTAB_SIZE];
extern IR_KEYTAB_TYPE ir_codes_dntv_live_dvbt_pro[IR_KEYTAB_SIZE];
extern IR_KEYTAB_TYPE ir_codes_em_terratec[IR_KEYTAB_SIZE];
extern IR_KEYTAB_TYPE ir_codes_pinnacle_grey[IR_KEYTAB_SIZE];
extern IR_KEYTAB_TYPE ir_codes_flyvideo[IR_KEYTAB_SIZE];
extern IR_KEYTAB_TYPE ir_codes_flydvb[IR_KEYTAB_SIZE];
extern IR_KEYTAB_TYPE ir_codes_cinergy[IR_KEYTAB_SIZE];
extern IR_KEYTAB_TYPE ir_codes_eztv[IR_KEYTAB_SIZE];
extern IR_KEYTAB_TYPE ir_codes_avermedia[IR_KEYTAB_SIZE];
extern IR_KEYTAB_TYPE ir_codes_videomate_tv_pvr[IR_KEYTAB_SIZE];
extern IR_KEYTAB_TYPE ir_codes_manli[IR_KEYTAB_SIZE];
extern IR_KEYTAB_TYPE ir_codes_gotview7135[IR_KEYTAB_SIZE];
extern IR_KEYTAB_TYPE ir_codes_purpletv[IR_KEYTAB_SIZE];
extern IR_KEYTAB_TYPE ir_codes_pctv_sedna[IR_KEYTAB_SIZE];
extern IR_KEYTAB_TYPE ir_codes_pv951[IR_KEYTAB_SIZE];
extern IR_KEYTAB_TYPE ir_codes_rc5_tv[IR_KEYTAB_SIZE];
extern IR_KEYTAB_TYPE ir_codes_winfast[IR_KEYTAB_SIZE];
extern IR_KEYTAB_TYPE ir_codes_pinnacle_color[IR_KEYTAB_SIZE];
extern IR_KEYTAB_TYPE ir_codes_hauppauge_new[IR_KEYTAB_SIZE];
extern IR_KEYTAB_TYPE ir_codes_npgtech[IR_KEYTAB_SIZE];
extern IR_KEYTAB_TYPE ir_codes_norwood[IR_KEYTAB_SIZE];
extern IR_KEYTAB_TYPE ir_codes_proteus_2309[IR_KEYTAB_SIZE];
extern IR_KEYTAB_TYPE ir_codes_budget_ci_old[IR_KEYTAB_SIZE];
extern IR_KEYTAB_TYPE ir_codes_asus_pc39[IR_KEYTAB_SIZE];
extern IR_KEYTAB_TYPE ir_codes_encore_enltv[IR_KEYTAB_SIZE];
extern IR_KEYTAB_TYPE ir_codes_tt_1500[IR_KEYTAB_SIZE];
extern IR_KEYTAB_TYPE ir_codes_fusionhdtv_mce[IR_KEYTAB_SIZE];
extern IR_KEYTAB_TYPE ir_codes_behold[IR_KEYTAB_SIZE];
extern IR_KEYTAB_TYPE ir_codes_behold_columbus[IR_KEYTAB_SIZE];
extern IR_KEYTAB_TYPE ir_codes_pinnacle_pctv_hd[IR_KEYTAB_SIZE];
extern IR_KEYTAB_TYPE ir_codes_genius_tvgo_a11mce[IR_KEYTAB_SIZE];
extern IR_KEYTAB_TYPE ir_codes_powercolor_real_angel[IR_KEYTAB_SIZE];

#endif

/*
 * Local variables:
 * c-basic-offset: 8
 * End:
 */
Commit	Line	Data
1da177e4	1	/*
1da177e4 LT	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
d5e52653 MCC	23	#ifndef _IR_COMMON
d5e52653 MCC	24	#define _IR_COMMON
1da177e4	25
d5e52653	26	#include <linux/input.h>
0b778a56	27	#include <linux/workqueue.h>
1da177e4 LT	28
1da177e4 LT	29	#define IR_TYPE_RC5 1
793cf9e6	30	#define IR_TYPE_PD 2 /* Pulse distance encoded IR */
1da177e4 LT	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
9160723e HP	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
1da177e4 LT	44	struct 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
9160723e HP	56	/* this was saa7134_ir and bttv_ir, moved here for
	57	* rc5 decoding. */
	58	struct 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
1da177e4 LT	90	void ir_input_init(struct input_dev dev, struct ir_input_state ir,
	91	int ir_type, IR_KEYTAB_TYPE *ir_codes);
	92	void ir_input_nokey(struct input_dev dev, struct ir_input_state ir);
	93	void ir_input_keydown(struct input_dev dev, struct ir_input_state ir,
	94	u32 ir_key, u32 ir_raw);
	95	u32 ir_extract_bits(u32 data, u32 mask);
	96	int ir_dump_samples(u32 *samples, int count);
	97	int ir_decode_biphase(u32 *samples, int count, int low, int high);
793cf9e6	98	int ir_decode_pulsedistance(u32 *samples, int count, int low, int high);
1da177e4	99
9160723e HP	100	void ir_rc5_timer_end(unsigned long data);
	101	void ir_rc5_timer_keyup(unsigned long data);
	102
4c0f631e RC	103	/* Keymaps to be used by other modules */
	104
	105	extern IR_KEYTAB_TYPE ir_codes_empty[IR_KEYTAB_SIZE];
	106	extern IR_KEYTAB_TYPE ir_codes_avermedia[IR_KEYTAB_SIZE];
	107	extern IR_KEYTAB_TYPE ir_codes_avermedia_dvbt[IR_KEYTAB_SIZE];
	108	extern IR_KEYTAB_TYPE ir_codes_apac_viewcomp[IR_KEYTAB_SIZE];
b639f9d2	109	extern IR_KEYTAB_TYPE ir_codes_pixelview[IR_KEYTAB_SIZE];
7f0dd179	110	extern IR_KEYTAB_TYPE ir_codes_pixelview_new[IR_KEYTAB_SIZE];
4c0f631e RC	111	extern IR_KEYTAB_TYPE ir_codes_nebula[IR_KEYTAB_SIZE];
	112	extern IR_KEYTAB_TYPE ir_codes_dntv_live_dvb_t[IR_KEYTAB_SIZE];
	113	extern IR_KEYTAB_TYPE ir_codes_iodata_bctv7e[IR_KEYTAB_SIZE];
	114	extern IR_KEYTAB_TYPE ir_codes_adstech_dvb_t_pci[IR_KEYTAB_SIZE];
	115	extern IR_KEYTAB_TYPE ir_codes_msi_tvanywhere[IR_KEYTAB_SIZE];
	116	extern IR_KEYTAB_TYPE ir_codes_cinergy_1400[IR_KEYTAB_SIZE];
	117	extern IR_KEYTAB_TYPE ir_codes_avertv_303[IR_KEYTAB_SIZE];
	118	extern IR_KEYTAB_TYPE ir_codes_dntv_live_dvbt_pro[IR_KEYTAB_SIZE];
	119	extern IR_KEYTAB_TYPE ir_codes_em_terratec[IR_KEYTAB_SIZE];
b93eedb6	120	extern IR_KEYTAB_TYPE ir_codes_pinnacle_grey[IR_KEYTAB_SIZE];
4c0f631e RC	121	extern IR_KEYTAB_TYPE ir_codes_flyvideo[IR_KEYTAB_SIZE];
	122	extern IR_KEYTAB_TYPE ir_codes_flydvb[IR_KEYTAB_SIZE];
	123	extern IR_KEYTAB_TYPE ir_codes_cinergy[IR_KEYTAB_SIZE];
	124	extern IR_KEYTAB_TYPE ir_codes_eztv[IR_KEYTAB_SIZE];
b639f9d2	125	extern IR_KEYTAB_TYPE ir_codes_avermedia[IR_KEYTAB_SIZE];
4c0f631e RC	126	extern IR_KEYTAB_TYPE ir_codes_videomate_tv_pvr[IR_KEYTAB_SIZE];
	127	extern IR_KEYTAB_TYPE ir_codes_manli[IR_KEYTAB_SIZE];
	128	extern IR_KEYTAB_TYPE ir_codes_gotview7135[IR_KEYTAB_SIZE];
	129	extern IR_KEYTAB_TYPE ir_codes_purpletv[IR_KEYTAB_SIZE];
	130	extern IR_KEYTAB_TYPE ir_codes_pctv_sedna[IR_KEYTAB_SIZE];
	131	extern IR_KEYTAB_TYPE ir_codes_pv951[IR_KEYTAB_SIZE];
	132	extern IR_KEYTAB_TYPE ir_codes_rc5_tv[IR_KEYTAB_SIZE];
	133	extern IR_KEYTAB_TYPE ir_codes_winfast[IR_KEYTAB_SIZE];
b93eedb6	134	extern IR_KEYTAB_TYPE ir_codes_pinnacle_color[IR_KEYTAB_SIZE];
4c0f631e	135	extern IR_KEYTAB_TYPE ir_codes_hauppauge_new[IR_KEYTAB_SIZE];
680543c5	136	extern IR_KEYTAB_TYPE ir_codes_npgtech[IR_KEYTAB_SIZE];
d1009bd7	137	extern IR_KEYTAB_TYPE ir_codes_norwood[IR_KEYTAB_SIZE];
b04c1baf	138	extern IR_KEYTAB_TYPE ir_codes_proteus_2309[IR_KEYTAB_SIZE];
2520fffd	139	extern IR_KEYTAB_TYPE ir_codes_budget_ci_old[IR_KEYTAB_SIZE];
9160723e	140	extern IR_KEYTAB_TYPE ir_codes_asus_pc39[IR_KEYTAB_SIZE];
c36c459a	141	extern IR_KEYTAB_TYPE ir_codes_encore_enltv[IR_KEYTAB_SIZE];
ae1942c5	142	extern IR_KEYTAB_TYPE ir_codes_tt_1500[IR_KEYTAB_SIZE];
3c44358c	143	extern IR_KEYTAB_TYPE ir_codes_fusionhdtv_mce[IR_KEYTAB_SIZE];
e8018c9e	144	extern IR_KEYTAB_TYPE ir_codes_behold[IR_KEYTAB_SIZE];
b34dddbe	145	extern IR_KEYTAB_TYPE ir_codes_behold_columbus[IR_KEYTAB_SIZE];
9121106a	146	extern IR_KEYTAB_TYPE ir_codes_pinnacle_pctv_hd[IR_KEYTAB_SIZE];
f0ba356c	147	extern IR_KEYTAB_TYPE ir_codes_genius_tvgo_a11mce[IR_KEYTAB_SIZE];
ba928034	148	extern IR_KEYTAB_TYPE ir_codes_powercolor_real_angel[IR_KEYTAB_SIZE];
4c0f631e	149
d5e52653 MCC	150	#endif
d5e52653 MCC	151
1da177e4 LT	152	/*
	153	* Local variables:
	154	* c-basic-offset: 8
	155	* End:
	156	*/