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79 lines
1.6 KiB
79 lines
1.6 KiB
/* SPDX-License-Identifier: GPL-2.0-or-later */ |
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/* |
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Auvitek AU8522 QAM/8VSB demodulator driver |
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Copyright (C) 2008 Steven Toth <[email protected]> |
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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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