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1/* SPDX-License-Identifier: GPL-2.0-or-later */2/*3 Auvitek AU8522 QAM/8VSB demodulator driver4 5 Copyright (C) 2008 Steven Toth <stoth@linuxtv.org>6 7 8*/9 10#ifndef __AU8522_H__11#define __AU8522_H__12 13#include <linux/dvb/frontend.h>14 15enum au8522_if_freq {16 AU8522_IF_6MHZ = 0,17 AU8522_IF_4MHZ,18 AU8522_IF_3_25MHZ,19};20 21struct au8522_led_config {22 u16 vsb8_strong;23 u16 qam64_strong;24 u16 qam256_strong;25 26 u16 gpio_output;27 /* unset hi bits, set low bits */28 u16 gpio_output_enable;29 u16 gpio_output_disable;30 31 u16 gpio_leds;32 u8 *led_states;33 unsigned int num_led_states;34};35 36struct au8522_config {37 /* the demodulator's i2c address */38 u8 demod_address;39 40 /* Return lock status based on tuner lock, or demod lock */41#define AU8522_TUNERLOCKING 042#define AU8522_DEMODLOCKING 143 u8 status_mode;44 45 struct au8522_led_config *led_cfg;46 47 enum au8522_if_freq vsb_if;48 enum au8522_if_freq qam_if;49};50 51#if IS_REACHABLE(CONFIG_DVB_AU8522_DTV)52extern struct dvb_frontend *au8522_attach(const struct au8522_config *config,53 struct i2c_adapter *i2c);54#else55static inline56struct dvb_frontend *au8522_attach(const struct au8522_config *config,57 struct i2c_adapter *i2c)58{59 printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);60 return NULL;61}62#endif /* CONFIG_DVB_AU8522 */63 64/* Other modes may need to be added later */65enum au8522_video_input {66 AU8522_COMPOSITE_CH1 = 1,67 AU8522_COMPOSITE_CH2,68 AU8522_COMPOSITE_CH3,69 AU8522_COMPOSITE_CH4,70 AU8522_COMPOSITE_CH4_SIF,71 AU8522_SVIDEO_CH13,72 AU8522_SVIDEO_CH24,73};74 75enum au8522_audio_input {76 AU8522_AUDIO_NONE,77 AU8522_AUDIO_SIF,78};79#endif /* __AU8522_H__ */80