linux/drivers/media/dvb/frontends/af9013.h
Antti Palosaari f571e004c3 [media] af9013: rewrite whole driver
Rewrite whole af9013 demod driver in order to decrease I2C I/O.

We need to decrease I2C load since AF9015 (I2C adapter / USB-bridge used)
seems to have some problems under heavy I2C traffic.

Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2011-12-30 15:31:33 -02:00

118 lines
3.2 KiB
C

/*
* Afatech AF9013 demodulator driver
*
* Copyright (C) 2007 Antti Palosaari <crope@iki.fi>
* Copyright (C) 2011 Antti Palosaari <crope@iki.fi>
*
* Thanks to Afatech who kindly provided information.
*
* 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 AF9013_H
#define AF9013_H
#include <linux/dvb/frontend.h>
/* AF9013/5 GPIOs (mostly guessed)
demod#1-gpio#0 - set demod#2 i2c-addr for dual devices
demod#1-gpio#1 - xtal setting (?)
demod#1-gpio#3 - tuner#1
demod#2-gpio#0 - tuner#2
demod#2-gpio#1 - xtal setting (?)
*/
struct af9013_config {
/*
* I2C address
*/
u8 i2c_addr;
/*
* clock
* 20480000, 25000000, 28000000, 28800000
*/
u32 clock;
/*
* tuner
*/
#define AF9013_TUNER_MXL5003D 3 /* MaxLinear */
#define AF9013_TUNER_MXL5005D 13 /* MaxLinear */
#define AF9013_TUNER_MXL5005R 30 /* MaxLinear */
#define AF9013_TUNER_ENV77H11D5 129 /* Panasonic */
#define AF9013_TUNER_MT2060 130 /* Microtune */
#define AF9013_TUNER_MC44S803 133 /* Freescale */
#define AF9013_TUNER_QT1010 134 /* Quantek */
#define AF9013_TUNER_UNKNOWN 140 /* for can tuners ? */
#define AF9013_TUNER_MT2060_2 147 /* Microtune */
#define AF9013_TUNER_TDA18271 156 /* NXP */
#define AF9013_TUNER_QT1010A 162 /* Quantek */
#define AF9013_TUNER_MXL5007T 177 /* MaxLinear */
#define AF9013_TUNER_TDA18218 179 /* NXP */
u8 tuner;
/*
* IF frequency
*/
u32 if_frequency;
/*
* TS settings
*/
#define AF9013_TS_USB 0
#define AF9013_TS_PARALLEL 1
#define AF9013_TS_SERIAL 2
u8 ts_mode:2;
/*
* input spectrum inversion
*/
bool spec_inv;
/*
* firmware API version
*/
u8 api_version[4];
/*
* GPIOs
*/
#define AF9013_GPIO_ON (1 << 0)
#define AF9013_GPIO_EN (1 << 1)
#define AF9013_GPIO_O (1 << 2)
#define AF9013_GPIO_I (1 << 3)
#define AF9013_GPIO_LO (AF9013_GPIO_ON|AF9013_GPIO_EN)
#define AF9013_GPIO_HI (AF9013_GPIO_ON|AF9013_GPIO_EN|AF9013_GPIO_O)
#define AF9013_GPIO_TUNER_ON (AF9013_GPIO_ON|AF9013_GPIO_EN)
#define AF9013_GPIO_TUNER_OFF (AF9013_GPIO_ON|AF9013_GPIO_EN|AF9013_GPIO_O)
u8 gpio[4];
};
#if defined(CONFIG_DVB_AF9013) || \
(defined(CONFIG_DVB_AF9013_MODULE) && defined(MODULE))
extern struct dvb_frontend *af9013_attach(const struct af9013_config *config,
struct i2c_adapter *i2c);
#else
static inline struct dvb_frontend *af9013_attach(
const struct af9013_config *config, struct i2c_adapter *i2c)
{
printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
return NULL;
}
#endif /* CONFIG_DVB_AF9013 */
#endif /* AF9013_H */