1/* SPDX-License-Identifier: GPL-2.0 */
2/*
3 * Driver for the MaxLinear MxL5xx family of tuners/demods
4 *
5 * Copyright (C) 2014-2015 Ralph Metzler <rjkm@metzlerbros.de>
6 *                         Marcus Metzler <mocm@metzlerbros.de>
7 *                         developed for Digital Devices GmbH
8 *
9 * based on code:
10 * Copyright (c) 2011-2013 MaxLinear, Inc. All rights reserved
11 * which was released under GPL V2
12 */
13
14#ifndef _MXL5XX_H_
15#define _MXL5XX_H_
16
17#include <linux/types.h>
18#include <linux/i2c.h>
19
20#include <media/dvb_frontend.h>
21
22struct mxl5xx_cfg {
23	u8   adr;
24	u8   type;
25	u32  cap;
26	u32  clk;
27	u32  ts_clk;
28
29	u8  *fw;
30	u32  fw_len;
31
32	int (*fw_read)(void *priv, u8 *buf, u32 len);
33	void *fw_priv;
34};
35
36#if IS_REACHABLE(CONFIG_DVB_MXL5XX)
37
38extern struct dvb_frontend *mxl5xx_attach(struct i2c_adapter *i2c,
39	struct mxl5xx_cfg *cfg, u32 demod, u32 tuner,
40	int (**fn_set_input)(struct dvb_frontend *, int));
41
42#else
43
44static inline struct dvb_frontend *mxl5xx_attach(struct i2c_adapter *i2c,
45	struct mxl5xx_cfg *cfg, u32 demod, u32 tuner,
46	int (**fn_set_input)(struct dvb_frontend *, int))
47{
48	pr_warn("%s: driver disabled by Kconfig\n", __func__);
49	return NULL;
50}
51
52#endif /* CONFIG_DVB_MXL5XX */
53
54#endif /* _MXL5XX_H_ */
55