[GitHub/mt8127/android_kernel_alcatel_ttab.git] / drivers / media / dvb / frontends / au8522.h

/*
    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
 */
Commit	Line	Data
265a6510 ST	1	/*
	2	Auvitek AU8522 QAM/8VSB demodulator driver
	3
6d897616	4	Copyright (C) 2008 Steven Toth <stoth@linuxtv.org>
265a6510 ST	5
	6	This program is free software; you can redistribute it and/or modify
	7	it under the terms of the GNU General Public License as published by
	8	the Free Software Foundation; either version 2 of the License, or
	9	(at your option) any later version.
	10
	11	This program is distributed in the hope that it will be useful,
	12	but WITHOUT ANY WARRANTY; without even the implied warranty of
	13	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	14	GNU General Public License for more details.
	15
	16	You should have received a copy of the GNU General Public License
	17	along with this program; if not, write to the Free Software
	18	Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
	19
	20	*/
	21
	22	#ifndef __AU8522_H__
	23	#define __AU8522_H__
	24
	25	#include <linux/dvb/frontend.h>
	26
2e7acd75 MK	27	enum au8522_if_freq {
	28	AU8522_IF_6MHZ = 0,
	29	AU8522_IF_4MHZ,
	30	AU8522_IF_3_25MHZ,
	31	};
	32
adeeac3b MK	33	struct au8522_led_config {
	34	u16 vsb8_strong;
	35	u16 qam64_strong;
	36	u16 qam256_strong;
	37
	38	u16 gpio_output;
	39	/* unset hi bits, set low bits */
	40	u16 gpio_output_enable;
	41	u16 gpio_output_disable;
	42
	43	u16 gpio_leds;
	44	u8 *led_states;
	45	unsigned int num_led_states;
	46	};
	47
18d73c58	48	struct au8522_config {
265a6510 ST	49	/* the demodulator's i2c address */
	50	u8 demod_address;
	51
	52	/* Return lock status based on tuner lock, or demod lock */
	53	#define AU8522_TUNERLOCKING 0
	54	#define AU8522_DEMODLOCKING 1
	55	u8 status_mode;
2e7acd75	56
adeeac3b MK	57	struct au8522_led_config *led_cfg;
adeeac3b MK	58
2e7acd75 MK	59	enum au8522_if_freq vsb_if;
2e7acd75 MK	60	enum au8522_if_freq qam_if;
265a6510 ST	61	};
265a6510 ST	62
18d73c58 MCC	63	#if defined(CONFIG_DVB_AU8522) \|\| \
18d73c58 MCC	64	(defined(CONFIG_DVB_AU8522_MODULE) && defined(MODULE))
e059b0fa MK	65	extern struct dvb_frontend au8522_attach(const struct au8522_config config,
e059b0fa MK	66	struct i2c_adapter *i2c);
265a6510	67	#else
e059b0fa MK	68	static inline
	69	struct dvb_frontend au8522_attach(const struct au8522_config config,
	70	struct i2c_adapter *i2c)
265a6510	71	{
ce1719a6	72	printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
265a6510 ST	73	return NULL;
	74	}
	75	#endif /* CONFIG_DVB_AU8522 */
	76
	77	#endif /* __AU8522_H__ */
	78
	79	/*
	80	* Local variables:
	81	* c-basic-offset: 8
	82	*/