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Linus Torvalds1da177e2005-04-16 15:20:36 -07001 /*
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
Hartmut Hackmannecb60de2005-07-07 17:57:40 -070029enum tda10046_xtal {
30 TDA10046_XTAL_4M,
31 TDA10046_XTAL_16M,
32};
33
34enum tda10046_agc {
35 TDA10046_AGC_DEFAULT, /* original configuration */
36 TDA10046_AGC_IFO_AUTO_NEG, /* IF AGC only, automatic, negtive */
Hartmut Hackmannf03cbea2005-07-07 17:57:43 -070037 TDA10046_AGC_IFO_AUTO_POS, /* IF AGC only, automatic, positive */
Hartmut Hackmann0eb3de22006-02-07 06:49:10 -020038 TDA10046_AGC_TDA827X, /* IF AGC only, special setup for tda827x */
39 TDA10046_AGC_TDA827X_GPL, /* same as above, but GPIOs 0 */
Hartmut Hackmannecb60de2005-07-07 17:57:40 -070040};
41
42enum tda10046_if {
43 TDA10046_FREQ_3617, /* original config, 36,166 MHZ */
44 TDA10046_FREQ_3613, /* 36,13 MHZ */
Hartmut Hackmannf03cbea2005-07-07 17:57:43 -070045 TDA10046_FREQ_045, /* low IF, 4.0, 4.5, or 5.0 MHZ */
46 TDA10046_FREQ_052, /* low IF, 5.1667 MHZ for tda9889 */
Hartmut Hackmannecb60de2005-07-07 17:57:40 -070047};
48
Linus Torvalds1da177e2005-04-16 15:20:36 -070049struct tda1004x_config
50{
51 /* the demodulator's i2c address */
52 u8 demod_address;
53
54 /* does the "inversion" need inverted? */
Johannes Stezenbachdd102c72005-05-16 21:54:35 -070055 u8 invert;
Linus Torvalds1da177e2005-04-16 15:20:36 -070056
57 /* Does the OCLK signal need inverted? */
Johannes Stezenbachdd102c72005-05-16 21:54:35 -070058 u8 invert_oclk;
Linus Torvalds1da177e2005-04-16 15:20:36 -070059
Hartmut Hackmannecb60de2005-07-07 17:57:40 -070060 /* Xtal frequency, 4 or 16MHz*/
61 enum tda10046_xtal xtal_freq;
62
63 /* IF frequency */
64 enum tda10046_if if_freq;
65
66 /* AGC configuration */
67 enum tda10046_agc agc_config;
Johannes Stezenbach1dfb8002005-05-16 21:54:35 -070068
Linus Torvalds1da177e2005-04-16 15:20:36 -070069 /* request firmware for device */
Hartmut Hackmannecb60de2005-07-07 17:57:40 -070070 /* set this to NULL if the card has a firmware EEPROM */
Linus Torvalds1da177e2005-04-16 15:20:36 -070071 int (*request_firmware)(struct dvb_frontend* fe, const struct firmware **fw, char* name);
72};
73
74extern struct dvb_frontend* tda10045_attach(const struct tda1004x_config* config,
75 struct i2c_adapter* i2c);
76
77extern struct dvb_frontend* tda10046_attach(const struct tda1004x_config* config,
78 struct i2c_adapter* i2c);
79
80extern int tda1004x_write_byte(struct dvb_frontend* fe, int reg, int data);
81
82#endif // TDA1004X_H