diff options
Diffstat (limited to 'drivers/media/dvb/frontends/tda1004x.h')
-rw-r--r-- | drivers/media/dvb/frontends/tda1004x.h | 149 |
1 files changed, 149 insertions, 0 deletions
diff --git a/drivers/media/dvb/frontends/tda1004x.h b/drivers/media/dvb/frontends/tda1004x.h new file mode 100644 index 00000000000..4e27ffb0f14 --- /dev/null +++ b/drivers/media/dvb/frontends/tda1004x.h | |||
@@ -0,0 +1,149 @@ | |||
1 | /* | ||
2 | Driver for Philips tda1004xh OFDM Frontend | ||
3 | |||
4 | (c) 2004 Andrew de Quincey | ||
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 | |||
15 | GNU General Public License for more details. | ||
16 | |||
17 | You should have received a copy of the GNU General Public License | ||
18 | along with this program; if not, write to the Free Software | ||
19 | Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. | ||
20 | |||
21 | */ | ||
22 | |||
23 | #ifndef TDA1004X_H | ||
24 | #define TDA1004X_H | ||
25 | |||
26 | #include <linux/dvb/frontend.h> | ||
27 | #include <linux/firmware.h> | ||
28 | |||
29 | enum tda10046_xtal { | ||
30 | TDA10046_XTAL_4M, | ||
31 | TDA10046_XTAL_16M, | ||
32 | }; | ||
33 | |||
34 | enum tda10046_agc { | ||
35 | TDA10046_AGC_DEFAULT, /* original configuration */ | ||
36 | TDA10046_AGC_IFO_AUTO_NEG, /* IF AGC only, automatic, negtive */ | ||
37 | TDA10046_AGC_IFO_AUTO_POS, /* IF AGC only, automatic, positive */ | ||
38 | TDA10046_AGC_TDA827X, /* IF AGC only, special setup for tda827x */ | ||
39 | }; | ||
40 | |||
41 | /* Many (hybrid) boards use GPIO 1 and 3 | ||
42 | GPIO1 analog - dvb switch | ||
43 | GPIO3 firmware eeprom address switch | ||
44 | */ | ||
45 | enum tda10046_gpio { | ||
46 | TDA10046_GPTRI = 0x00, /* All GPIOs tristate */ | ||
47 | TDA10046_GP00 = 0x40, /* GPIO3=0, GPIO1=0 */ | ||
48 | TDA10046_GP01 = 0x42, /* GPIO3=0, GPIO1=1 */ | ||
49 | TDA10046_GP10 = 0x48, /* GPIO3=1, GPIO1=0 */ | ||
50 | TDA10046_GP11 = 0x4a, /* GPIO3=1, GPIO1=1 */ | ||
51 | TDA10046_GP00_I = 0x80, /* GPIO3=0, GPIO1=0, invert in sleep mode*/ | ||
52 | TDA10046_GP01_I = 0x82, /* GPIO3=0, GPIO1=1, invert in sleep mode */ | ||
53 | TDA10046_GP10_I = 0x88, /* GPIO3=1, GPIO1=0, invert in sleep mode */ | ||
54 | TDA10046_GP11_I = 0x8a, /* GPIO3=1, GPIO1=1, invert in sleep mode */ | ||
55 | }; | ||
56 | |||
57 | enum tda10046_if { | ||
58 | TDA10046_FREQ_3617, /* original config, 36,166 MHZ */ | ||
59 | TDA10046_FREQ_3613, /* 36,13 MHZ */ | ||
60 | TDA10046_FREQ_045, /* low IF, 4.0, 4.5, or 5.0 MHZ */ | ||
61 | TDA10046_FREQ_052, /* low IF, 5.1667 MHZ for tda9889 */ | ||
62 | }; | ||
63 | |||
64 | enum tda10046_tsout { | ||
65 | TDA10046_TS_PARALLEL = 0x00, /* parallel transport stream, default */ | ||
66 | TDA10046_TS_SERIAL = 0x01, /* serial transport stream */ | ||
67 | }; | ||
68 | |||
69 | struct tda1004x_config | ||
70 | { | ||
71 | /* the demodulator's i2c address */ | ||
72 | u8 demod_address; | ||
73 | |||
74 | /* does the "inversion" need inverted? */ | ||
75 | u8 invert; | ||
76 | |||
77 | /* Does the OCLK signal need inverted? */ | ||
78 | u8 invert_oclk; | ||
79 | |||
80 | /* parallel or serial transport stream */ | ||
81 | enum tda10046_tsout ts_mode; | ||
82 | |||
83 | /* Xtal frequency, 4 or 16MHz*/ | ||
84 | enum tda10046_xtal xtal_freq; | ||
85 | |||
86 | /* IF frequency */ | ||
87 | enum tda10046_if if_freq; | ||
88 | |||
89 | /* AGC configuration */ | ||
90 | enum tda10046_agc agc_config; | ||
91 | |||
92 | /* setting of GPIO1 and 3 */ | ||
93 | enum tda10046_gpio gpio_config; | ||
94 | |||
95 | /* slave address and configuration of the tuner */ | ||
96 | u8 tuner_address; | ||
97 | u8 antenna_switch; | ||
98 | |||
99 | /* if the board uses another I2c Bridge (tda8290), its address */ | ||
100 | u8 i2c_gate; | ||
101 | |||
102 | /* request firmware for device */ | ||
103 | int (*request_firmware)(struct dvb_frontend* fe, const struct firmware **fw, char* name); | ||
104 | }; | ||
105 | |||
106 | enum tda1004x_demod { | ||
107 | TDA1004X_DEMOD_TDA10045, | ||
108 | TDA1004X_DEMOD_TDA10046, | ||
109 | }; | ||
110 | |||
111 | struct tda1004x_state { | ||
112 | struct i2c_adapter* i2c; | ||
113 | const struct tda1004x_config* config; | ||
114 | struct dvb_frontend frontend; | ||
115 | |||
116 | /* private demod data */ | ||
117 | enum tda1004x_demod demod_type; | ||
118 | }; | ||
119 | |||
120 | #if defined(CONFIG_DVB_TDA1004X) || (defined(CONFIG_DVB_TDA1004X_MODULE) && defined(MODULE)) | ||
121 | extern struct dvb_frontend* tda10045_attach(const struct tda1004x_config* config, | ||
122 | struct i2c_adapter* i2c); | ||
123 | |||
124 | extern struct dvb_frontend* tda10046_attach(const struct tda1004x_config* config, | ||
125 | struct i2c_adapter* i2c); | ||
126 | #else | ||
127 | static inline struct dvb_frontend* tda10045_attach(const struct tda1004x_config* config, | ||
128 | struct i2c_adapter* i2c) | ||
129 | { | ||
130 | printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__); | ||
131 | return NULL; | ||
132 | } | ||
133 | static inline struct dvb_frontend* tda10046_attach(const struct tda1004x_config* config, | ||
134 | struct i2c_adapter* i2c) | ||
135 | { | ||
136 | printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__); | ||
137 | return NULL; | ||
138 | } | ||
139 | #endif // CONFIG_DVB_TDA1004X | ||
140 | |||
141 | static inline int tda1004x_writereg(struct dvb_frontend *fe, u8 reg, u8 val) { | ||
142 | int r = 0; | ||
143 | u8 buf[] = {reg, val}; | ||
144 | if (fe->ops.write) | ||
145 | r = fe->ops.write(fe, buf, 2); | ||
146 | return r; | ||
147 | } | ||
148 | |||
149 | #endif // TDA1004X_H | ||