1 /*
2 * Afatech AF9013 demodulator driver
3 *
4 * Copyright (C) 2007 Antti Palosaari <crope@iki.fi>
5 * Copyright (C) 2011 Antti Palosaari <crope@iki.fi>
6 *
7 * Thanks to Afatech who kindly provided information.
8 *
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License, or
12 * (at your option) any later version.
13 *
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
18 *
19 */
20
21 #ifndef AF9013_H
22 #define AF9013_H
23
24 #include <linux/dvb/frontend.h>
25
26 /*
27 * I2C address: 0x1c, 0x1d
28 */
29
30 /**
31 * struct af9013_platform_data - Platform data for the af9013 driver
32 * @clk: Clock frequency.
33 * @tuner: Used tuner model.
34 * @if_frequency: IF frequency.
35 * @ts_mode: TS mode.
36 * @ts_output_pin: TS output pin.
37 * @spec_inv: Input spectrum inverted.
38 * @api_version: Firmware API version.
39 * @gpio: GPIOs.
40 * @get_dvb_frontend: Get DVB frontend callback.
41 */
42 struct af9013_platform_data {
43 /*
44 * 20480000, 25000000, 28000000, 28800000
45 */
46 u32 clk;
47 #define AF9013_TUNER_MXL5003D 3 /* MaxLinear */
48 #define AF9013_TUNER_MXL5005D 13 /* MaxLinear */
49 #define AF9013_TUNER_MXL5005R 30 /* MaxLinear */
50 #define AF9013_TUNER_ENV77H11D5 129 /* Panasonic */
51 #define AF9013_TUNER_MT2060 130 /* Microtune */
52 #define AF9013_TUNER_MC44S803 133 /* Freescale */
53 #define AF9013_TUNER_QT1010 134 /* Quantek */
54 #define AF9013_TUNER_UNKNOWN 140 /* for can tuners ? */
55 #define AF9013_TUNER_MT2060_2 147 /* Microtune */
56 #define AF9013_TUNER_TDA18271 156 /* NXP */
57 #define AF9013_TUNER_QT1010A 162 /* Quantek */
58 #define AF9013_TUNER_MXL5007T 177 /* MaxLinear */
59 #define AF9013_TUNER_TDA18218 179 /* NXP */
60 u8 tuner;
61 u32 if_frequency;
62 #define AF9013_TS_MODE_USB 0
63 #define AF9013_TS_MODE_PARALLEL 1
64 #define AF9013_TS_MODE_SERIAL 2
65 u8 ts_mode;
66 u8 ts_output_pin;
67 bool spec_inv;
68 u8 api_version[4];
69 #define AF9013_GPIO_ON (1 << 0)
70 #define AF9013_GPIO_EN (1 << 1)
71 #define AF9013_GPIO_O (1 << 2)
72 #define AF9013_GPIO_I (1 << 3)
73 #define AF9013_GPIO_LO (AF9013_GPIO_ON|AF9013_GPIO_EN)
74 #define AF9013_GPIO_HI (AF9013_GPIO_ON|AF9013_GPIO_EN|AF9013_GPIO_O)
75 #define AF9013_GPIO_TUNER_ON (AF9013_GPIO_ON|AF9013_GPIO_EN)
76 #define AF9013_GPIO_TUNER_OFF (AF9013_GPIO_ON|AF9013_GPIO_EN|AF9013_GPIO_O)
77 u8 gpio[4];
78
79 struct dvb_frontend* (*get_dvb_frontend)(struct i2c_client *);
80
81 /* private: For legacy media attach wrapper. Do not set value. */
82 bool attach_in_use;
83 u8 i2c_addr;
84 u32 clock;
85 };
86
87 #define af9013_config af9013_platform_data
88 #define AF9013_TS_USB AF9013_TS_MODE_USB
89 #define AF9013_TS_PARALLEL AF9013_TS_MODE_PARALLEL
90 #define AF9013_TS_SERIAL AF9013_TS_MODE_SERIAL
91
92 /*
93 * AF9013/5 GPIOs (mostly guessed)
94 * demod#1-gpio#0 - set demod#2 i2c-addr for dual devices
95 * demod#1-gpio#1 - xtal setting (?)
96 * demod#1-gpio#3 - tuner#1
97 * demod#2-gpio#0 - tuner#2
98 * demod#2-gpio#1 - xtal setting (?)
99 */
100
101 #if IS_REACHABLE(CONFIG_DVB_AF9013)
102 extern struct dvb_frontend *af9013_attach(const struct af9013_config *config,
103 struct i2c_adapter *i2c);
104 #else
af9013_attach(const struct af9013_config * config,struct i2c_adapter * i2c)105 static inline struct dvb_frontend *af9013_attach(
106 const struct af9013_config *config, struct i2c_adapter *i2c)
107 {
108 pr_warn("%s: driver disabled by Kconfig\n", __func__);
109 return NULL;
110 }
111 #endif /* CONFIG_DVB_AF9013 */
112
113 #endif /* AF9013_H */
114