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 
22 struct 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 
38 extern 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 
mxl5xx_attach(struct i2c_adapter * i2c,struct mxl5xx_cfg * cfg,u32 demod,u32 tuner,int (** fn_set_input)(struct dvb_frontend *,int))44 static 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