92 lines
2.2 KiB
C
92 lines
2.2 KiB
C
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/*
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Auvitek AU8522 QAM/8VSB demodulator driver
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Copyright (C) 2008 Steven Toth <stoth@linuxtv.org>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#ifndef __AU8522_H__
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#define __AU8522_H__
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#include <linux/dvb/frontend.h>
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enum au8522_if_freq {
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AU8522_IF_6MHZ = 0,
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AU8522_IF_4MHZ,
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AU8522_IF_3_25MHZ,
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};
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struct au8522_led_config {
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u16 vsb8_strong;
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u16 qam64_strong;
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u16 qam256_strong;
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u16 gpio_output;
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/* unset hi bits, set low bits */
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u16 gpio_output_enable;
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u16 gpio_output_disable;
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u16 gpio_leds;
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u8 *led_states;
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unsigned int num_led_states;
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};
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struct au8522_config {
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/* the demodulator's i2c address */
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u8 demod_address;
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/* Return lock status based on tuner lock, or demod lock */
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#define AU8522_TUNERLOCKING 0
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#define AU8522_DEMODLOCKING 1
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u8 status_mode;
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struct au8522_led_config *led_cfg;
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enum au8522_if_freq vsb_if;
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enum au8522_if_freq qam_if;
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};
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#if IS_REACHABLE(CONFIG_DVB_AU8522_DTV)
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extern struct dvb_frontend *au8522_attach(const struct au8522_config *config,
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struct i2c_adapter *i2c);
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#else
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static inline
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struct dvb_frontend *au8522_attach(const struct au8522_config *config,
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struct i2c_adapter *i2c)
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{
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printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
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return NULL;
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}
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#endif /* CONFIG_DVB_AU8522 */
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/* Other modes may need to be added later */
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enum au8522_video_input {
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AU8522_COMPOSITE_CH1 = 1,
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AU8522_COMPOSITE_CH2,
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AU8522_COMPOSITE_CH3,
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AU8522_COMPOSITE_CH4,
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AU8522_COMPOSITE_CH4_SIF,
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AU8522_SVIDEO_CH13,
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AU8522_SVIDEO_CH24,
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};
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enum au8522_audio_input {
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AU8522_AUDIO_NONE,
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AU8522_AUDIO_SIF,
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};
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#endif /* __AU8522_H__ */
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