[linux-2.6-block.git] / drivers / media / dvb-frontends / ix2505v.h

/* SPDX-License-Identifier: GPL-2.0-only */
/**
 * Driver for Sharp IX2505V (marked B0017) DVB-S silicon tuner
 *
 * Copyright (C) 2010 Malcolm Priestley
 */

#ifndef DVB_IX2505V_H
#define DVB_IX2505V_H

#include <linux/i2c.h>
#include <media/dvb_frontend.h>

/**
 * struct ix2505v_config - ix2505 attachment configuration
 *
 * @tuner_address: tuner address
 * @tuner_gain: Baseband AMP gain control 0/1=0dB(default) 2=-2bB 3=-4dB
 * @tuner_chargepump: Charge pump output +/- 0=120 1=260 2=555 3=1200(default)
 * @min_delay_ms: delay after tune
 * @tuner_write_only: disables reads
 */
struct ix2505v_config {
	u8 tuner_address;
	u8 tuner_gain;
	u8 tuner_chargepump;
	int min_delay_ms;
	u8 tuner_write_only;

};

#if IS_REACHABLE(CONFIG_DVB_IX2505V)
/**
 * Attach a ix2505v tuner to the supplied frontend structure.
 *
 * @fe: Frontend to attach to.
 * @config: pointer to &struct ix2505v_config
 * @i2c: pointer to &struct i2c_adapter.
 *
 * return: FE pointer on success, NULL on failure.
 */
extern struct dvb_frontend *ix2505v_attach(struct dvb_frontend *fe,
	const struct ix2505v_config *config, struct i2c_adapter *i2c);
#else
static inline struct dvb_frontend *ix2505v_attach(struct dvb_frontend *fe,
	const struct ix2505v_config *config, struct i2c_adapter *i2c)
{
	printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
	return NULL;
}
#endif

#endif /* DVB_IX2505V_H */
Commit	Line	Data
1802d0be	1	/* SPDX-License-Identifier: GPL-2.0-only */
1ae2c589 MP	2	/**
	3	* Driver for Sharp IX2505V (marked B0017) DVB-S silicon tuner
	4	*
	5	* Copyright (C) 2010 Malcolm Priestley
1ae2c589 MP	6	*/
	7
	8	#ifndef DVB_IX2505V_H
	9	#define DVB_IX2505V_H
	10
	11	#include <linux/i2c.h>
fada1935	12	#include <media/dvb_frontend.h>
1ae2c589	13
be9b53c8 MCC	14	/**
	15	* struct ix2505v_config - ix2505 attachment configuration
	16	*
	17	* @tuner_address: tuner address
	18	* @tuner_gain: Baseband AMP gain control 0/1=0dB(default) 2=-2bB 3=-4dB
	19	* @tuner_chargepump: Charge pump output +/- 0=120 1=260 2=555 3=1200(default)
	20	* @min_delay_ms: delay after tune
	21	* @tuner_write_only: disables reads
	22	*/
1ae2c589 MP	23	struct ix2505v_config {
1ae2c589 MP	24	u8 tuner_address;
1ae2c589	25	u8 tuner_gain;
1ae2c589	26	u8 tuner_chargepump;
1ae2c589	27	int min_delay_ms;
1ae2c589 MP	28	u8 tuner_write_only;
	29
	30	};
	31
9b174527	32	#if IS_REACHABLE(CONFIG_DVB_IX2505V)
b95b0c98 MCC	33	/**
	34	* Attach a ix2505v tuner to the supplied frontend structure.
	35	*
	36	* @fe: Frontend to attach to.
	37	* @config: pointer to &struct ix2505v_config
	38	* @i2c: pointer to &struct i2c_adapter.
	39	*
	40	* return: FE pointer on success, NULL on failure.
	41	*/
1ae2c589 MP	42	extern struct dvb_frontend ix2505v_attach(struct dvb_frontend fe,
	43	const struct ix2505v_config config, struct i2c_adapter i2c);
	44	#else
	45	static inline struct dvb_frontend ix2505v_attach(struct dvb_frontend fe,
	46	const struct ix2505v_config config, struct i2c_adapter i2c)
	47	{
	48	printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
	49	return NULL;
	50	}
	51	#endif
	52
	53	#endif /* DVB_IX2505V_H */