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  *    You should have received a copy of the GNU General Public License
20  *    along with this program; if not, write to the Free Software
21  *    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
22  *
23  */
24 
25 #ifndef AF9013_H
26 #define AF9013_H
27 
28 #include <linux/kconfig.h>
29 #include <linux/dvb/frontend.h>
30 
31 /* AF9013/5 GPIOs (mostly guessed)
32    demod#1-gpio#0 - set demod#2 i2c-addr for dual devices
33    demod#1-gpio#1 - xtal setting (?)
34    demod#1-gpio#3 - tuner#1
35    demod#2-gpio#0 - tuner#2
36    demod#2-gpio#1 - xtal setting (?)
37 */
38 
39 struct af9013_config {
40 	/*
41 	 * I2C address
42 	 */
43 	u8 i2c_addr;
44 
45 	/*
46 	 * clock
47 	 * 20480000, 25000000, 28000000, 28800000
48 	 */
49 	u32 clock;
50 
51 	/*
52 	 * tuner
53 	 */
54 #define AF9013_TUNER_MXL5003D      3 /* MaxLinear */
55 #define AF9013_TUNER_MXL5005D     13 /* MaxLinear */
56 #define AF9013_TUNER_MXL5005R     30 /* MaxLinear */
57 #define AF9013_TUNER_ENV77H11D5  129 /* Panasonic */
58 #define AF9013_TUNER_MT2060      130 /* Microtune */
59 #define AF9013_TUNER_MC44S803    133 /* Freescale */
60 #define AF9013_TUNER_QT1010      134 /* Quantek */
61 #define AF9013_TUNER_UNKNOWN     140 /* for can tuners ? */
62 #define AF9013_TUNER_MT2060_2    147 /* Microtune */
63 #define AF9013_TUNER_TDA18271    156 /* NXP */
64 #define AF9013_TUNER_QT1010A     162 /* Quantek */
65 #define AF9013_TUNER_MXL5007T    177 /* MaxLinear */
66 #define AF9013_TUNER_TDA18218    179 /* NXP */
67 	u8 tuner;
68 
69 	/*
70 	 * IF frequency
71 	 */
72 	u32 if_frequency;
73 
74 	/*
75 	 * TS settings
76 	 */
77 #define AF9013_TS_USB       0
78 #define AF9013_TS_PARALLEL  1
79 #define AF9013_TS_SERIAL    2
80 	u8 ts_mode:2;
81 
82 	/*
83 	 * input spectrum inversion
84 	 */
85 	bool spec_inv;
86 
87 	/*
88 	 * firmware API version
89 	 */
90 	u8 api_version[4];
91 
92 	/*
93 	 * GPIOs
94 	 */
95 #define AF9013_GPIO_ON (1 << 0)
96 #define AF9013_GPIO_EN (1 << 1)
97 #define AF9013_GPIO_O  (1 << 2)
98 #define AF9013_GPIO_I  (1 << 3)
99 #define AF9013_GPIO_LO (AF9013_GPIO_ON|AF9013_GPIO_EN)
100 #define AF9013_GPIO_HI (AF9013_GPIO_ON|AF9013_GPIO_EN|AF9013_GPIO_O)
101 #define AF9013_GPIO_TUNER_ON  (AF9013_GPIO_ON|AF9013_GPIO_EN)
102 #define AF9013_GPIO_TUNER_OFF (AF9013_GPIO_ON|AF9013_GPIO_EN|AF9013_GPIO_O)
103 	u8 gpio[4];
104 };
105 
106 #if IS_REACHABLE(CONFIG_DVB_AF9013)
107 extern struct dvb_frontend *af9013_attach(const struct af9013_config *config,
108 	struct i2c_adapter *i2c);
109 #else
110 static inline struct dvb_frontend *af9013_attach(
111 const struct af9013_config *config, struct i2c_adapter *i2c)
112 {
113 	pr_warn("%s: driver disabled by Kconfig\n", __func__);
114 	return NULL;
115 }
116 #endif /* CONFIG_DVB_AF9013 */
117 
118 #endif /* AF9013_H */
119