cx24116.h

 1/* SPDX-License-Identifier: GPL-2.0-or-later */
 2/*
 3    Conexant cx24116/cx24118 - DVBS/S2 Satellite demod/tuner driver
 4
 5    Copyright (C) 2006 Steven Toth <stoth@linuxtv.com>
 6
 7*/
 8
 9#ifndef CX24116_H
10#define CX24116_H
11
12#include <linux/dvb/frontend.h>
13
14struct cx24116_config {
15	/* the demodulator's i2c address */
16	u8 demod_address;
17
18	/* Need to set device param for start_dma */
19	int (*set_ts_params)(struct dvb_frontend *fe, int is_punctured);
20
21	/* Need to reset device during firmware loading */
22	int (*reset_device)(struct dvb_frontend *fe);
23
24	/* Need to set MPEG parameters */
25	u8 mpg_clk_pos_pol:0x02;
26
27	/* max bytes I2C provider can write at once */
28	u16 i2c_wr_max;
29};
30
31#if IS_REACHABLE(CONFIG_DVB_CX24116)
32extern struct dvb_frontend *cx24116_attach(
33	const struct cx24116_config *config,
34	struct i2c_adapter *i2c);
35#else
36static inline struct dvb_frontend *cx24116_attach(
37	const struct cx24116_config *config,
38	struct i2c_adapter *i2c)
39{
40	printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
41	return NULL;
42}
43#endif
44
45#endif /* CX24116_H */