2 Driver for Philips tda1004xh OFDM Frontend
4 (c) 2004 Andrew de Quincey
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.
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
15 GNU General Public License for more details.
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.
26 #include <linux/dvb/frontend.h>
27 #include <linux/firmware.h>
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 TDA10046_AGC_TDA827X_GPL, /* same as above, but GPIOs 0 */
43 TDA10046_FREQ_3617, /* original config, 36,166 MHZ */
44 TDA10046_FREQ_3613, /* 36,13 MHZ */
45 TDA10046_FREQ_045, /* low IF, 4.0, 4.5, or 5.0 MHZ */
46 TDA10046_FREQ_052, /* low IF, 5.1667 MHZ for tda9889 */
49 struct tda1004x_config
51 /* the demodulator's i2c address */
54 /* does the "inversion" need inverted? */
57 /* Does the OCLK signal need inverted? */
60 /* Xtal frequency, 4 or 16MHz*/
61 enum tda10046_xtal xtal_freq;
64 enum tda10046_if if_freq;
66 /* AGC configuration */
67 enum tda10046_agc agc_config;
69 /* request firmware for device */
70 /* set this to NULL if the card has a firmware EEPROM */
71 int (*request_firmware)(struct dvb_frontend* fe, const struct firmware **fw, char* name);
74 #if defined(CONFIG_DVB_TDA1004X) || (defined(CONFIG_DVB_TDA1004X_MODULE) && defined(MODULE))
75 extern struct dvb_frontend* tda10045_attach(const struct tda1004x_config* config,
76 struct i2c_adapter* i2c);
78 extern struct dvb_frontend* tda10046_attach(const struct tda1004x_config* config,
79 struct i2c_adapter* i2c);
81 static inline struct dvb_frontend* tda10045_attach(const struct tda1004x_config* config,
82 struct i2c_adapter* i2c)
84 printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __FUNCTION__);
87 static inline struct dvb_frontend* tda10046_attach(const struct tda1004x_config* config,
88 struct i2c_adapter* i2c)
90 printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __FUNCTION__);
93 #endif // CONFIG_DVB_TDA1004X
95 static inline int tda1004x_writereg(struct dvb_frontend *fe, u8 reg, u8 val) {
97 u8 buf[] = {reg, val};
99 r = fe->ops.write(fe, buf, 2);