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 struct tda1004x_config
30 {
31 /* the demodulator's i2c address */
32 u8 demod_address;
33
34 /* does the "inversion" need inverted? */
35 u8 invert:1;
36
37 /* Does the OCLK signal need inverted? */
38 u8 invert_oclk:1;
39
40 /* PLL maintenance */
41 int (*pll_init)(struct dvb_frontend* fe);
42 int (*pll_set)(struct dvb_frontend* fe, struct dvb_frontend_parameters* params);
43
44 /* request firmware for device */
45 int (*request_firmware)(struct dvb_frontend* fe, const struct firmware **fw, char* name);
46 };
47
48 extern struct dvb_frontend* tda10045_attach(const struct tda1004x_config* config,
49 struct i2c_adapter* i2c);
50
51 extern struct dvb_frontend* tda10046_attach(const struct tda1004x_config* config,
52 struct i2c_adapter* i2c);
53
54 extern int tda1004x_write_byte(struct dvb_frontend* fe, int reg, int data);
55
56 #endif // TDA1004X_H
57
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