xref: /linux/drivers/media/dvb-frontends/lg2160.h (revision e9f0878c4b2004ac19581274c1ae4c61ae3ca70e)
1 /*
2  *    Support for LG2160 - ATSC/MH
3  *
4  *    Copyright (C) 2010 Michael Krufky <mkrufky@linuxtv.org>
5  *
6  *    This program is free software; you can redistribute it and/or modify
7  *    it under the terms of the GNU General Public License as published by
8  *    the Free Software Foundation; either version 2 of the License, or
9  *    (at your option) any later version.
10  *
11  *    This program is distributed in the hope that it will be useful,
12  *    but WITHOUT ANY WARRANTY; without even the implied warranty of
13  *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14  *    GNU General Public License for more details.
15  *
16  */
17 
18 #ifndef _LG2160_H_
19 #define _LG2160_H_
20 
21 #include <linux/i2c.h>
22 #include <media/dvb_frontend.h>
23 
24 enum lg_chip_type {
25 	LG2160 = 0,
26 	LG2161 = 1,
27 };
28 
29 #define LG2161_1019 LG2161
30 #define LG2161_1040 LG2161
31 
32 enum lg2160_spi_clock {
33 	LG2160_SPI_3_125_MHZ = 0,
34 	LG2160_SPI_6_25_MHZ = 1,
35 	LG2160_SPI_12_5_MHZ = 2,
36 };
37 
38 #if 0
39 enum lg2161_oif {
40 	LG2161_OIF_EBI2_SLA  = 1,
41 	LG2161_OIF_SDIO_SLA  = 2,
42 	LG2161_OIF_SPI_SLA   = 3,
43 	LG2161_OIF_SPI_MAS   = 4,
44 	LG2161_OIF_SERIAL_TS = 7,
45 };
46 #endif
47 
48 struct lg2160_config {
49 	u8 i2c_addr;
50 
51 	/* user defined IF frequency in KHz */
52 	u16 if_khz;
53 
54 	/* disable i2c repeater - 0:repeater enabled 1:repeater disabled */
55 	unsigned int deny_i2c_rptr:1;
56 
57 	/* spectral inversion - 0:disabled 1:enabled */
58 	unsigned int spectral_inversion:1;
59 
60 	unsigned int output_if;
61 	enum lg2160_spi_clock spi_clock;
62 	enum lg_chip_type lg_chip;
63 };
64 
65 #if IS_REACHABLE(CONFIG_DVB_LG2160)
66 extern
67 struct dvb_frontend *lg2160_attach(const struct lg2160_config *config,
68 				     struct i2c_adapter *i2c_adap);
69 #else
70 static inline
71 struct dvb_frontend *lg2160_attach(const struct lg2160_config *config,
72 				     struct i2c_adapter *i2c_adap)
73 {
74 	printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
75 	return NULL;
76 }
77 #endif /* CONFIG_DVB_LG2160 */
78 
79 #endif /* _LG2160_H_ */
80