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 * This program is free software; you can redistribute it and/or
14 * modify it under the terms of the GNU General Public License
15 * version 2, as published by the Free Software Foundation.
16 *
17 * This program is distributed in the hope that it will be useful,
18 * but WITHOUT ANY WARRANTY; without even the implied warranty of
19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
20 * GNU General Public License for more details.
21 */
22
23#ifndef _MXL5XX_H_
24#define _MXL5XX_H_
25
26#include <linux/types.h>
27#include <linux/i2c.h>
28
29#include <media/dvb_frontend.h>
30
31struct mxl5xx_cfg {
32	u8   adr;
33	u8   type;
34	u32  cap;
35	u32  clk;
36	u32  ts_clk;
37
38	u8  *fw;
39	u32  fw_len;
40
41	int (*fw_read)(void *priv, u8 *buf, u32 len);
42	void *fw_priv;
43};
44
45#if IS_REACHABLE(CONFIG_DVB_MXL5XX)
46
47extern struct dvb_frontend *mxl5xx_attach(struct i2c_adapter *i2c,
48	struct mxl5xx_cfg *cfg, u32 demod, u32 tuner,
49	int (**fn_set_input)(struct dvb_frontend *, int));
50
51#else
52
53static inline struct dvb_frontend *mxl5xx_attach(struct i2c_adapter *i2c,
54	struct mxl5xx_cfg *cfg, u32 demod, u32 tuner,
55	int (**fn_set_input)(struct dvb_frontend *, int))
56{
57	pr_warn("%s: driver disabled by Kconfig\n", __func__);
58	return NULL;
59}
60
61#endif /* CONFIG_DVB_MXL5XX */
62
63#endif /* _MXL5XX_H_ */
64