[mirror_ubuntu-artful-kernel.git] / drivers / media / dvb-frontends / ves1820.h

/*
    VES1820  - Single Chip Cable Channel Receiver driver module

    Copyright (C) 1999 Convergence Integrated Media GmbH <ralph@convergence.de>

    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 VES1820_H
#define VES1820_H

#include <linux/dvb/frontend.h>

#define VES1820_SELAGC_PWM 0
#define VES1820_SELAGC_SIGNAMPERR 1

struct ves1820_config
{
	/* the demodulator's i2c address */
	u8 demod_address;

	/* value of XIN to use */
	u32 xin;

	/* does inversion need inverted? */
	u8 invert:1;

	/* SELAGC control */
	u8 selagc:1;
};

#if IS_ENABLED(CONFIG_DVB_VES1820)
extern struct dvb_frontend* ves1820_attach(const struct ves1820_config* config,
					   struct i2c_adapter* i2c, u8 pwm);
#else
static inline struct dvb_frontend* ves1820_attach(const struct ves1820_config* config,
					   struct i2c_adapter* i2c, u8 pwm)
{
	printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
	return NULL;
}
#endif // CONFIG_DVB_VES1820

#endif // VES1820_H
Commit	Line	Data
1da177e4 LT	1	/*
	2	VES1820 - Single Chip Cable Channel Receiver driver module
	3
	4	Copyright (C) 1999 Convergence Integrated Media GmbH <ralph@convergence.de>
	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	#ifndef VES1820_H
	22	#define VES1820_H
	23
	24	#include <linux/dvb/frontend.h>
	25
	26	#define VES1820_SELAGC_PWM 0
	27	#define VES1820_SELAGC_SIGNAMPERR 1
	28
	29	struct ves1820_config
	30	{
	31	/* the demodulator's i2c address */
	32	u8 demod_address;
	33
	34	/* value of XIN to use */
	35	u32 xin;
	36
	37	/* does inversion need inverted? */
	38	u8 invert:1;
	39
	40	/* SELAGC control */
	41	u8 selagc:1;
1da177e4 LT	42	};
1da177e4 LT	43
7b34be71	44	#if IS_ENABLED(CONFIG_DVB_VES1820)
1da177e4 LT	45	extern struct dvb_frontend* ves1820_attach(const struct ves1820_config* config,
1da177e4 LT	46	struct i2c_adapter* i2c, u8 pwm);
102a342b AQ	47	#else
	48	static inline struct dvb_frontend* ves1820_attach(const struct ves1820_config* config,
	49	struct i2c_adapter* i2c, u8 pwm)
	50	{
271ddbf7	51	printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
102a342b AQ	52	return NULL;
	53	}
	54	#endif // CONFIG_DVB_VES1820
1da177e4 LT	55
1da177e4 LT	56	#endif // VES1820_H