[GitHub/mt8127/android_kernel_alcatel_ttab.git] / include / sound / tea575x-tuner.h

#ifndef __SOUND_TEA575X_TUNER_H
#define __SOUND_TEA575X_TUNER_H

/*
 *   ALSA driver for TEA5757/5759 Philips AM/FM tuner chips
 *
 *	Copyright (c) 2004 Jaroslav Kysela <perex@perex.cz>
 *
 *   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
 *
 */

#include <linux/videodev2.h>
#include <media/v4l2-ctrls.h>
#include <media/v4l2-dev.h>
#include <media/v4l2-device.h>

#define TEA575X_FMIF	10700
#define TEA575X_AMIF	  450

#define TEA575X_DATA	(1 << 0)
#define TEA575X_CLK	(1 << 1)
#define TEA575X_WREN	(1 << 2)
#define TEA575X_MOST	(1 << 3)

struct snd_tea575x;

struct snd_tea575x_ops {
	/* Drivers using snd_tea575x must either define read_ and write_val */
	void (*write_val)(struct snd_tea575x *tea, u32 val);
	u32 (*read_val)(struct snd_tea575x *tea);
	/* Or define the 3 pin functions */
	void (*set_pins)(struct snd_tea575x *tea, u8 pins);
	u8 (*get_pins)(struct snd_tea575x *tea);
	void (*set_direction)(struct snd_tea575x *tea, bool output);
};

struct snd_tea575x {
	struct v4l2_device *v4l2_dev;
	struct v4l2_file_operations fops;
	struct video_device vd;		/* video device */
	int radio_nr;			/* radio_nr */
	bool tea5759;			/* 5759 chip is present */
	bool has_am;			/* Device can tune to AM freqs */
	bool cannot_read_data;		/* Device cannot read the data pin */
	bool cannot_mute;		/* Device cannot mute */
	bool mute;			/* Device is muted? */
	bool stereo;			/* receiving stereo */
	bool tuned;			/* tuned to a station */
	unsigned int val;		/* hw value */
	u32 band;			/* 0: FM, 1: FM-Japan, 2: AM */
	u32 freq;			/* frequency */
	struct mutex mutex;
	struct snd_tea575x_ops *ops;
	void *private_data;
	u8 card[32];
	u8 bus_info[32];
	struct v4l2_ctrl_handler ctrl_handler;
	int (*ext_init)(struct snd_tea575x *tea);
};

int snd_tea575x_init(struct snd_tea575x *tea, struct module *owner);
void snd_tea575x_exit(struct snd_tea575x *tea);
void snd_tea575x_set_freq(struct snd_tea575x *tea);

#endif /* __SOUND_TEA575X_TUNER_H */
Commit	Line	Data
1da177e4 LT	1	#ifndef __SOUND_TEA575X_TUNER_H
	2	#define __SOUND_TEA575X_TUNER_H
	3
	4	/*
	5	* ALSA driver for TEA5757/5759 Philips AM/FM tuner chips
	6	*
c1017a4c	7	* Copyright (c) 2004 Jaroslav Kysela <perex@perex.cz>
1da177e4 LT	8	*
	9	* This program is free software; you can redistribute it and/or modify
	10	* it under the terms of the GNU General Public License as published by
	11	* the Free Software Foundation; either version 2 of the License, or
	12	* (at your option) any later version.
	13	*
	14	* This program is distributed in the hope that it will be useful,
	15	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	16	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	17	* GNU General Public License for more details.
	18	*
	19	* You should have received a copy of the GNU General Public License
	20	* along with this program; if not, write to the Free Software
	21	* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
	22	*
7477ddaa	23	*/
1da177e4	24
9b76ede4	25	#include <linux/videodev2.h>
4522e825	26	#include <media/v4l2-ctrls.h>
7477ddaa	27	#include <media/v4l2-dev.h>
d4ecc83b	28	#include <media/v4l2-device.h>
1da177e4	29
ea27316e	30	#define TEA575X_FMIF 10700
fc488517	31	#define TEA575X_AMIF 450
ea27316e	32
14219d06 OZ	33	#define TEA575X_DATA (1 << 0)
	34	#define TEA575X_CLK (1 << 1)
	35	#define TEA575X_WREN (1 << 2)
	36	#define TEA575X_MOST (1 << 3)
	37
97f02e05	38	struct snd_tea575x;
1da177e4 LT	39
1da177e4 LT	40	struct snd_tea575x_ops {
31a62d41 HG	41	/* Drivers using snd_tea575x must either define read_ and write_val */
	42	void (write_val)(struct snd_tea575x tea, u32 val);
	43	u32 (read_val)(struct snd_tea575x tea);
	44	/* Or define the 3 pin functions */
14219d06 OZ	45	void (set_pins)(struct snd_tea575x tea, u8 pins);
	46	u8 (get_pins)(struct snd_tea575x tea);
	47	void (set_direction)(struct snd_tea575x tea, bool output);
1da177e4 LT	48	};
	49
	50	struct snd_tea575x {
d4ecc83b	51	struct v4l2_device *v4l2_dev;
5daf53a6	52	struct v4l2_file_operations fops;
4522e825	53	struct video_device vd; /* video device */
d4ecc83b	54	int radio_nr; /* radio_nr */
375d1358	55	bool tea5759; /* 5759 chip is present */
fc488517	56	bool has_am; /* Device can tune to AM freqs */
d4ecc83b	57	bool cannot_read_data; /* Device cannot read the data pin */
3d0fe51c	58	bool cannot_mute; /* Device cannot mute */
375d1358 OZ	59	bool mute; /* Device is muted? */
	60	bool stereo; /* receiving stereo */
	61	bool tuned; /* tuned to a station */
1da177e4	62	unsigned int val; /* hw value */
fc488517	63	u32 band; /* 0: FM, 1: FM-Japan, 2: AM */
d4ecc83b	64	u32 freq; /* frequency */
6a529c1a	65	struct mutex mutex;
1da177e4 LT	66	struct snd_tea575x_ops *ops;
1da177e4 LT	67	void *private_data;
10ca7201 OZ	68	u8 card[32];
10ca7201 OZ	69	u8 bus_info[32];
4522e825 OZ	70	struct v4l2_ctrl_handler ctrl_handler;
4522e825 OZ	71	int (ext_init)(struct snd_tea575x tea);
1da177e4 LT	72	};
1da177e4 LT	73
5daf53a6	74	int snd_tea575x_init(struct snd_tea575x tea, struct module owner);
97f02e05	75	void snd_tea575x_exit(struct snd_tea575x *tea);
559c2009	76	void snd_tea575x_set_freq(struct snd_tea575x *tea);
1da177e4 LT	77
1da177e4 LT	78	#endif /* __SOUND_TEA575X_TUNER_H */