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/*
Auvitek AU8522 QAM/8VSB demodulator driver
Copyright (C) 2008 Steven Toth <stoth@linuxtv.org>
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 __AU8522_H__
#define __AU8522_H__
#include <linux/dvb/frontend.h>
enum au8522_if_freq {
AU8522_IF_6MHZ = 0,
AU8522_IF_4MHZ,
AU8522_IF_3_25MHZ,
};
struct au8522_led_config {
u16 vsb8_strong;
u16 qam64_strong;
u16 qam256_strong;
u16 gpio_output;
/* unset hi bits, set low bits */
u16 gpio_output_enable;
u16 gpio_output_disable;
u16 gpio_leds;
u8 *led_states;
unsigned int num_led_states;
};
struct au8522_config {
/* the demodulator's i2c address */
u8 demod_address;
/* Return lock status based on tuner lock, or demod lock */
#define AU8522_TUNERLOCKING 0
#define AU8522_DEMODLOCKING 1
u8 status_mode;
struct au8522_led_config *led_cfg;
enum au8522_if_freq vsb_if;
enum au8522_if_freq qam_if;
};
#if defined(CONFIG_DVB_AU8522) || \
(defined(CONFIG_DVB_AU8522_MODULE) && defined(MODULE))
extern struct dvb_frontend *au8522_attach(const struct au8522_config *config,
struct i2c_adapter *i2c);
#else
static inline
struct dvb_frontend *au8522_attach(const struct au8522_config *config,
struct i2c_adapter *i2c)
{
printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
return NULL;
}
#endif /* CONFIG_DVB_AU8522 */
#endif /* __AU8522_H__ */
/*
* Local variables:
* c-basic-offset: 8
*/
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