1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
|
/*
Driver for Philips tda1004xh OFDM Frontend
(c) 2004 Andrew de Quincey
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#ifndef TDA1004X_H
#define TDA1004X_H
#include <linux/dvb/frontend.h>
#include <linux/firmware.h>
enum tda10046_xtal {
TDA10046_XTAL_4M,
TDA10046_XTAL_16M,
};
enum tda10046_agc {
TDA10046_AGC_DEFAULT, /* original configuration */
TDA10046_AGC_IFO_AUTO_NEG, /* IF AGC only, automatic, negtive */
TDA10046_AGC_IFO_AUTO_POS, /* IF AGC only, automatic, positive */
TDA10046_AGC_TDA827X, /* IF AGC only, special setup for tda827x */
};
/* Many (hybrid) boards use GPIO 1 and 3
GPIO1 analog - dvb switch
GPIO3 firmware eeprom address switch
*/
enum tda10046_gpio {
TDA10046_GPTRI = 0x00, /* All GPIOs tristate */
TDA10046_GP00 = 0x40, /* GPIO3=0, GPIO1=0 */
TDA10046_GP01 = 0x42, /* GPIO3=0, GPIO1=1 */
TDA10046_GP10 = 0x48, /* GPIO3=1, GPIO1=0 */
TDA10046_GP11 = 0x4a, /* GPIO3=1, GPIO1=1 */
TDA10046_GP00_I = 0x80, /* GPIO3=0, GPIO1=0, invert in sleep mode*/
TDA10046_GP01_I = 0x82, /* GPIO3=0, GPIO1=1, invert in sleep mode */
TDA10046_GP10_I = 0x88, /* GPIO3=1, GPIO1=0, invert in sleep mode */
TDA10046_GP11_I = 0x8a, /* GPIO3=1, GPIO1=1, invert in sleep mode */
};
enum tda10046_if {
TDA10046_FREQ_3617, /* original config, 36,166 MHZ */
TDA10046_FREQ_3613, /* 36,13 MHZ */
TDA10046_FREQ_045, /* low IF, 4.0, 4.5, or 5.0 MHZ */
TDA10046_FREQ_052, /* low IF, 5.1667 MHZ for tda9889 */
};
enum tda10046_tsout {
TDA10046_TS_PARALLEL = 0x00, /* parallel transport stream, default */
TDA10046_TS_SERIAL = 0x01, /* serial transport stream */
};
struct tda1004x_config
{
/* the demodulator's i2c address */
u8 demod_address;
/* does the "inversion" need inverted? */
u8 invert;
/* Does the OCLK signal need inverted? */
u8 invert_oclk;
/* parallel or serial transport stream */
enum tda10046_tsout ts_mode;
/* Xtal frequency, 4 or 16MHz*/
enum tda10046_xtal xtal_freq;
/* IF frequency */
enum tda10046_if if_freq;
/* AGC configuration */
enum tda10046_agc agc_config;
/* setting of GPIO1 and 3 */
enum tda10046_gpio gpio_config;
/* slave address and configuration of the tuner */
u8 tuner_address;
u8 antenna_switch;
/* if the board uses another I2c Bridge (tda8290), its address */
u8 i2c_gate;
/* request firmware for device */
int (*request_firmware)(struct dvb_frontend* fe, const struct firmware **fw, char* name);
};
enum tda1004x_demod {
TDA1004X_DEMOD_TDA10045,
TDA1004X_DEMOD_TDA10046,
};
struct tda1004x_state {
struct i2c_adapter* i2c;
const struct tda1004x_config* config;
struct dvb_frontend frontend;
/* private demod data */
enum tda1004x_demod demod_type;
};
#if IS_ENABLED(CONFIG_DVB_TDA1004X)
extern struct dvb_frontend* tda10045_attach(const struct tda1004x_config* config,
struct i2c_adapter* i2c);
extern struct dvb_frontend* tda10046_attach(const struct tda1004x_config* config,
struct i2c_adapter* i2c);
#else
static inline struct dvb_frontend* tda10045_attach(const struct tda1004x_config* config,
struct i2c_adapter* i2c)
{
printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
return NULL;
}
static inline struct dvb_frontend* tda10046_attach(const struct tda1004x_config* config,
struct i2c_adapter* i2c)
{
printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
return NULL;
}
#endif // CONFIG_DVB_TDA1004X
static inline int tda1004x_writereg(struct dvb_frontend *fe, u8 reg, u8 val) {
int r = 0;
u8 buf[] = {reg, val};
if (fe->ops.write)
r = fe->ops.write(fe, buf, 2);
return r;
}
#endif // TDA1004X_H
|
