mirror of
https://mirrors.bfsu.edu.cn/git/linux.git
synced 2024-11-19 18:24:14 +08:00
f03cbea36a
o added preliminary support for tda827x tuners o set parameters for drift compensation to 0 makes no sense for DVB-T but can prevent lock Signed-off-by: Hartmut Hackmann <hartmut.hackmann@t-online.de> Signed-off-by: Johannes Stezenbach <js@linuxtv.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
87 lines
2.5 KiB
C
87 lines
2.5 KiB
C
/*
|
|
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 */
|
|
};
|
|
|
|
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 */
|
|
};
|
|
|
|
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;
|
|
|
|
/* Xtal frequency, 4 or 16MHz*/
|
|
enum tda10046_xtal xtal_freq;
|
|
|
|
/* IF frequency */
|
|
enum tda10046_if if_freq;
|
|
|
|
/* AGC configuration */
|
|
enum tda10046_agc agc_config;
|
|
|
|
/* PLL maintenance */
|
|
int (*pll_init)(struct dvb_frontend* fe);
|
|
void (*pll_sleep)(struct dvb_frontend* fe);
|
|
int (*pll_set)(struct dvb_frontend* fe, struct dvb_frontend_parameters* params);
|
|
|
|
/* request firmware for device */
|
|
/* set this to NULL if the card has a firmware EEPROM */
|
|
int (*request_firmware)(struct dvb_frontend* fe, const struct firmware **fw, char* name);
|
|
};
|
|
|
|
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);
|
|
|
|
extern int tda1004x_write_byte(struct dvb_frontend* fe, int reg, int data);
|
|
|
|
#endif // TDA1004X_H
|