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1 /*
2 	Driver for M88RS2000 demodulator
3 
4 	This program is free software; you can redistribute it and/or modify
5 	it under the terms of the GNU General Public License as published by
6 	the Free Software Foundation; either version 2 of the License, or
7 	(at your option) any later version.
8 
9 	This program is distributed in the hope that it will be useful,
10 	but WITHOUT ANY WARRANTY; without even the implied warranty of
11 	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
12 	GNU General Public License for more details.
13 
14 	You should have received a copy of the GNU General Public License
15 	along with this program; if not, write to the Free Software
16 	Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
17 
18 */
19 
20 #ifndef M88RS2000_H
21 #define M88RS2000_H
22 
23 #include <linux/kconfig.h>
24 #include <linux/dvb/frontend.h>
25 #include "dvb_frontend.h"
26 
27 struct m88rs2000_config {
28 	/* Demodulator i2c address */
29 	u8 demod_addr;
30 
31 	u8 *inittab;
32 
33 	/* minimum delay before retuning */
34 	int min_delay_ms;
35 
36 	int (*set_ts_params)(struct dvb_frontend *, int);
37 };
38 
39 enum {
40 	CALL_IS_SET_FRONTEND = 0x0,
41 	CALL_IS_READ,
42 };
43 
44 #if IS_ENABLED(CONFIG_DVB_M88RS2000)
45 extern struct dvb_frontend *m88rs2000_attach(
46 	const struct m88rs2000_config *config, struct i2c_adapter *i2c);
47 #else
m88rs2000_attach(const struct m88rs2000_config * config,struct i2c_adapter * i2c)48 static inline struct dvb_frontend *m88rs2000_attach(
49 	const struct m88rs2000_config *config, struct i2c_adapter *i2c)
50 {
51 	printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
52 	return NULL;
53 }
54 #endif /* CONFIG_DVB_M88RS2000 */
55 
56 enum {
57 	DEMOD_WRITE = 0x1,
58 	WRITE_DELAY = 0x10,
59 };
60 #endif /* M88RS2000_H */
61