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
lg2160_attach(const struct lg2160_config * config,struct i2c_adapter * i2c_adap)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