[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_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 {
	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 cannot_read_data;		/* Device cannot read the data pin */
	bool mute;			/* Device is muted? */
	bool stereo;			/* receiving stereo */
	bool tuned;			/* tuned to a station */
	unsigned int val;		/* hw value */
	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);

#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 OZ	30	#define TEA575X_FMIF 10700
ea27316e OZ	31
14219d06 OZ	32	#define TEA575X_DATA (1 << 0)
	33	#define TEA575X_CLK (1 << 1)
	34	#define TEA575X_WREN (1 << 2)
	35	#define TEA575X_MOST (1 << 3)
	36
97f02e05	37	struct snd_tea575x;
1da177e4 LT	38
1da177e4 LT	39	struct snd_tea575x_ops {
14219d06 OZ	40	void (set_pins)(struct snd_tea575x tea, u8 pins);
	41	u8 (get_pins)(struct snd_tea575x tea);
	42	void (set_direction)(struct snd_tea575x tea, bool output);
1da177e4 LT	43	};
	44
	45	struct snd_tea575x {
d4ecc83b	46	struct v4l2_device *v4l2_dev;
5daf53a6	47	struct v4l2_file_operations fops;
4522e825	48	struct video_device vd; /* video device */
d4ecc83b	49	int radio_nr; /* radio_nr */
375d1358	50	bool tea5759; /* 5759 chip is present */
d4ecc83b	51	bool cannot_read_data; /* Device cannot read the data pin */
375d1358 OZ	52	bool mute; /* Device is muted? */
	53	bool stereo; /* receiving stereo */
	54	bool tuned; /* tuned to a station */
1da177e4	55	unsigned int val; /* hw value */
d4ecc83b	56	u32 freq; /* frequency */
6a529c1a	57	struct mutex mutex;
1da177e4 LT	58	struct snd_tea575x_ops *ops;
1da177e4 LT	59	void *private_data;
10ca7201 OZ	60	u8 card[32];
10ca7201 OZ	61	u8 bus_info[32];
4522e825 OZ	62	struct v4l2_ctrl_handler ctrl_handler;
4522e825 OZ	63	int (ext_init)(struct snd_tea575x tea);
1da177e4 LT	64	};
1da177e4 LT	65
5daf53a6	66	int snd_tea575x_init(struct snd_tea575x tea, struct module owner);
97f02e05	67	void snd_tea575x_exit(struct snd_tea575x *tea);
1da177e4 LT	68
1da177e4 LT	69	#endif /* __SOUND_TEA575X_TUNER_H */