67 lines
1.8 KiB
C
67 lines
1.8 KiB
C
/*
|
|
* Infineon TUA 9001 silicon tuner driver
|
|
*
|
|
* Copyright (C) 2009 Antti Palosaari <crope@iki.fi>
|
|
*
|
|
* 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.,
|
|
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
|
|
*/
|
|
|
|
#ifndef TUA9001_H
|
|
#define TUA9001_H
|
|
|
|
#include <linux/kconfig.h>
|
|
#include "dvb_frontend.h"
|
|
|
|
struct tua9001_config {
|
|
/*
|
|
* I2C address
|
|
*/
|
|
u8 i2c_addr;
|
|
};
|
|
|
|
/*
|
|
* TUA9001 I/O PINs:
|
|
*
|
|
* CEN - chip enable
|
|
* 0 = chip disabled (chip off)
|
|
* 1 = chip enabled (chip on)
|
|
*
|
|
* RESETN - chip reset
|
|
* 0 = reset disabled (chip reset off)
|
|
* 1 = reset enabled (chip reset on)
|
|
*
|
|
* RXEN - RX enable
|
|
* 0 = RX disabled (chip idle)
|
|
* 1 = RX enabled (chip tuned)
|
|
*/
|
|
|
|
#define TUA9001_CMD_CEN 0
|
|
#define TUA9001_CMD_RESETN 1
|
|
#define TUA9001_CMD_RXEN 2
|
|
|
|
#if IS_REACHABLE(CONFIG_MEDIA_TUNER_TUA9001)
|
|
extern struct dvb_frontend *tua9001_attach(struct dvb_frontend *fe,
|
|
struct i2c_adapter *i2c, struct tua9001_config *cfg);
|
|
#else
|
|
static inline struct dvb_frontend *tua9001_attach(struct dvb_frontend *fe,
|
|
struct i2c_adapter *i2c, struct tua9001_config *cfg)
|
|
{
|
|
printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
|
|
return NULL;
|
|
}
|
|
#endif
|
|
|
|
#endif
|