mirror of https://gitee.com/openkylin/linux.git
77 lines
2.1 KiB
C
77 lines
2.1 KiB
C
/*
|
|
* Support for AltoBeam GB20600 (a.k.a DMB-TH) demodulator
|
|
* ATBM8830, ATBM8831
|
|
*
|
|
* Copyright (C) 2009 David T.L. Wong <davidtlwong@gmail.com>
|
|
*
|
|
* 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 __ATBM8830_H__
|
|
#define __ATBM8830_H__
|
|
|
|
#include <linux/dvb/frontend.h>
|
|
#include <linux/i2c.h>
|
|
|
|
#define ATBM8830_PROD_8830 0
|
|
#define ATBM8830_PROD_8831 1
|
|
|
|
struct atbm8830_config {
|
|
|
|
/* product type */
|
|
u8 prod;
|
|
|
|
/* the demodulator's i2c address */
|
|
u8 demod_address;
|
|
|
|
/* parallel or serial transport stream */
|
|
u8 serial_ts;
|
|
|
|
/* transport stream clock output only when receving valid stream */
|
|
u8 ts_clk_gated;
|
|
|
|
/* Decoder sample TS data at rising edge of clock */
|
|
u8 ts_sampling_edge;
|
|
|
|
/* Oscillator clock frequency */
|
|
u32 osc_clk_freq; /* in kHz */
|
|
|
|
/* IF frequency */
|
|
u32 if_freq; /* in kHz */
|
|
|
|
/* Swap I/Q for zero IF */
|
|
u8 zif_swap_iq;
|
|
|
|
/* Tuner AGC settings */
|
|
u8 agc_min;
|
|
u8 agc_max;
|
|
u8 agc_hold_loop;
|
|
};
|
|
|
|
#if defined(CONFIG_DVB_ATBM8830) || \
|
|
(defined(CONFIG_DVB_ATBM8830_MODULE) && defined(MODULE))
|
|
extern struct dvb_frontend *atbm8830_attach(const struct atbm8830_config *config,
|
|
struct i2c_adapter *i2c);
|
|
#else
|
|
static inline
|
|
struct dvb_frontend *atbm8830_attach(const struct atbm8830_config *config,
|
|
struct i2c_adapter *i2c) {
|
|
printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
|
|
return NULL;
|
|
}
|
|
#endif /* CONFIG_DVB_ATBM8830 */
|
|
|
|
#endif /* __ATBM8830_H__ */
|