1 | /* SPDX-License-Identifier: GPL-2.0-or-later */ |
2 | /* |
3 | * Support for LG2160 - ATSC/MH |
4 | * |
5 | * Copyright (C) 2010 Michael Krufky <mkrufky@linuxtv.org> |
6 | */ |
7 | |
8 | #ifndef _LG2160_H_ |
9 | #define _LG2160_H_ |
10 | |
11 | #include <linux/i2c.h> |
12 | #include <media/dvb_frontend.h> |
13 | |
14 | enum lg_chip_type { |
15 | LG2160 = 0, |
16 | LG2161 = 1, |
17 | }; |
18 | |
19 | #define LG2161_1019 LG2161 |
20 | #define LG2161_1040 LG2161 |
21 | |
22 | enum lg2160_spi_clock { |
23 | LG2160_SPI_3_125_MHZ = 0, |
24 | LG2160_SPI_6_25_MHZ = 1, |
25 | LG2160_SPI_12_5_MHZ = 2, |
26 | }; |
27 | |
28 | #if 0 |
29 | enum lg2161_oif { |
30 | LG2161_OIF_EBI2_SLA = 1, |
31 | LG2161_OIF_SDIO_SLA = 2, |
32 | LG2161_OIF_SPI_SLA = 3, |
33 | LG2161_OIF_SPI_MAS = 4, |
34 | LG2161_OIF_SERIAL_TS = 7, |
35 | }; |
36 | #endif |
37 | |
38 | struct lg2160_config { |
39 | u8 i2c_addr; |
40 | |
41 | /* user defined IF frequency in KHz */ |
42 | u16 if_khz; |
43 | |
44 | /* disable i2c repeater - 0:repeater enabled 1:repeater disabled */ |
45 | unsigned int deny_i2c_rptr:1; |
46 | |
47 | /* spectral inversion - 0:disabled 1:enabled */ |
48 | unsigned int spectral_inversion:1; |
49 | |
50 | unsigned int output_if; |
51 | enum lg2160_spi_clock spi_clock; |
52 | enum lg_chip_type lg_chip; |
53 | }; |
54 | |
55 | #if IS_REACHABLE(CONFIG_DVB_LG2160) |
56 | extern |
57 | struct dvb_frontend *lg2160_attach(const struct lg2160_config *config, |
58 | struct i2c_adapter *i2c_adap); |
59 | #else |
60 | static inline |
61 | struct dvb_frontend *lg2160_attach(const struct lg2160_config *config, |
62 | struct i2c_adapter *i2c_adap) |
63 | { |
64 | printk(KERN_WARNING "%s: driver disabled by Kconfig\n" , __func__); |
65 | return NULL; |
66 | } |
67 | #endif /* CONFIG_DVB_LG2160 */ |
68 | |
69 | #endif /* _LG2160_H_ */ |
70 | |