[mirror_ubuntu-artful-kernel.git] / drivers / media / dvb-frontends / lgdt3305.h

/*
 *    Support for LG Electronics LGDT3304 and LGDT3305 - VSB/QAM
 *
 *    Copyright (C) 2008, 2009, 2010 Michael Krufky <mkrufky@linuxtv.org>
 *
 *    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., 675 Mass Ave, Cambridge, MA 02139, USA.
 *
 */

#ifndef _LGDT3305_H_
#define _LGDT3305_H_

#include <linux/kconfig.h>
#include <linux/i2c.h>
#include "dvb_frontend.h"


enum lgdt3305_mpeg_mode {
	LGDT3305_MPEG_PARALLEL = 0,
	LGDT3305_MPEG_SERIAL = 1,
};

enum lgdt3305_tp_clock_edge {
	LGDT3305_TPCLK_RISING_EDGE = 0,
	LGDT3305_TPCLK_FALLING_EDGE = 1,
};

enum lgdt3305_tp_valid_polarity {
	LGDT3305_TP_VALID_LOW = 0,
	LGDT3305_TP_VALID_HIGH = 1,
};

enum lgdt_demod_chip_type {
	LGDT3305 = 0,
	LGDT3304 = 1,
};

struct lgdt3305_config {
	u8 i2c_addr;

	/* user defined IF frequency in KHz */
	u16 qam_if_khz;
	u16 vsb_if_khz;

	/* AGC Power reference - defaults are used if left unset */
	u16 usref_8vsb;   /* default: 0x32c4 */
	u16 usref_qam64;  /* default: 0x5400 */
	u16 usref_qam256; /* default: 0x2a80 */

	/* disable i2c repeater - 0:repeater enabled 1:repeater disabled */
	unsigned int deny_i2c_rptr:1;

	/* spectral inversion - 0:disabled 1:enabled */
	unsigned int spectral_inversion:1;

	/* use RF AGC loop - 0:disabled 1:enabled */
	unsigned int rf_agc_loop:1;

	enum lgdt3305_mpeg_mode mpeg_mode;
	enum lgdt3305_tp_clock_edge tpclk_edge;
	enum lgdt3305_tp_valid_polarity tpvalid_polarity;
	enum lgdt_demod_chip_type demod_chip;
};

#if IS_ENABLED(CONFIG_DVB_LGDT3305)
extern
struct dvb_frontend *lgdt3305_attach(const struct lgdt3305_config *config,
				     struct i2c_adapter *i2c_adap);
#else
static inline
struct dvb_frontend *lgdt3305_attach(const struct lgdt3305_config *config,
				     struct i2c_adapter *i2c_adap)
{
	printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
	return NULL;
}
#endif /* CONFIG_DVB_LGDT3305 */

#endif /* _LGDT3305_H_ */
Commit	Line	Data
cae78ed5	1	/*
5de82fae	2	* Support for LG Electronics LGDT3304 and LGDT3305 - VSB/QAM
cae78ed5	3	*
40ff540f	4	* Copyright (C) 2008, 2009, 2010 Michael Krufky <mkrufky@linuxtv.org>
cae78ed5 MK	5	*
	6	* This program is free software; you can redistribute it and/or modify
	7	* it under the terms of the GNU General Public License as published by
	8	* the Free Software Foundation; either version 2 of the License, or
	9	* (at your option) any later version.
	10	*
	11	* This program is distributed in the hope that it will be useful,
	12	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	13	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	14	* GNU General Public License for more details.
	15	*
	16	* You should have received a copy of the GNU General Public License
	17	* along with this program; if not, write to the Free Software
	18	* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
	19	*
	20	*/
	21
	22	#ifndef _LGDT3305_H_
	23	#define _LGDT3305_H_
	24
782d8b74	25	#include <linux/kconfig.h>
cae78ed5 MK	26	#include <linux/i2c.h>
	27	#include "dvb_frontend.h"
	28
	29
	30	enum lgdt3305_mpeg_mode {
	31	LGDT3305_MPEG_PARALLEL = 0,
	32	LGDT3305_MPEG_SERIAL = 1,
	33	};
	34
	35	enum lgdt3305_tp_clock_edge {
	36	LGDT3305_TPCLK_RISING_EDGE = 0,
	37	LGDT3305_TPCLK_FALLING_EDGE = 1,
	38	};
	39
	40	enum lgdt3305_tp_valid_polarity {
	41	LGDT3305_TP_VALID_LOW = 0,
	42	LGDT3305_TP_VALID_HIGH = 1,
	43	};
	44
804258c9 JW	45	enum lgdt_demod_chip_type {
	46	LGDT3305 = 0,
	47	LGDT3304 = 1,
	48	};
	49
cae78ed5 MK	50	struct lgdt3305_config {
	51	u8 i2c_addr;
	52
	53	/* user defined IF frequency in KHz */
	54	u16 qam_if_khz;
	55	u16 vsb_if_khz;
	56
	57	/* AGC Power reference - defaults are used if left unset */
	58	u16 usref_8vsb; /* default: 0x32c4 */
	59	u16 usref_qam64; /* default: 0x5400 */
	60	u16 usref_qam256; /* default: 0x2a80 */
	61
	62	/* disable i2c repeater - 0:repeater enabled 1:repeater disabled */
1faea560	63	unsigned int deny_i2c_rptr:1;
cae78ed5 MK	64
cae78ed5 MK	65	/* spectral inversion - 0:disabled 1:enabled */
1faea560	66	unsigned int spectral_inversion:1;
cae78ed5 MK	67
cae78ed5 MK	68	/* use RF AGC loop - 0:disabled 1:enabled */
1faea560	69	unsigned int rf_agc_loop:1;
cae78ed5 MK	70
	71	enum lgdt3305_mpeg_mode mpeg_mode;
	72	enum lgdt3305_tp_clock_edge tpclk_edge;
	73	enum lgdt3305_tp_valid_polarity tpvalid_polarity;
804258c9	74	enum lgdt_demod_chip_type demod_chip;
cae78ed5 MK	75	};
cae78ed5 MK	76
782d8b74	77	#if IS_ENABLED(CONFIG_DVB_LGDT3305)
cae78ed5 MK	78	extern
	79	struct dvb_frontend lgdt3305_attach(const struct lgdt3305_config config,
	80	struct i2c_adapter *i2c_adap);
	81	#else
	82	static inline
	83	struct dvb_frontend lgdt3305_attach(const struct lgdt3305_config config,
	84	struct i2c_adapter *i2c_adap)
	85	{
	86	printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
	87	return NULL;
	88	}
	89	#endif /* CONFIG_DVB_LGDT3305 */
	90
	91	#endif /* _LGDT3305_H_ */