media/dvb-frontends/au8522.h

0001 /* SPDX-License-Identifier: GPL-2.0-or-later */
0002 /*
0003     Auvitek AU8522 QAM/8VSB demodulator driver
0004
0005     Copyright (C) 2008 Steven Toth <stoth@linuxtv.org>
0006
0007
0008 */
0009
0010 #ifndef __AU8522_H__
0011 #define __AU8522_H__
0012
0013 #include <linux/dvb/frontend.h>
0014
0015 enum au8522_if_freq {
0016     AU8522_IF_6MHZ = 0,
0017     AU8522_IF_4MHZ,
0018     AU8522_IF_3_25MHZ,
0019 };
0020
0021 struct au8522_led_config {
0022     u16 vsb8_strong;
0023     u16 qam64_strong;
0024     u16 qam256_strong;
0025
0026     u16 gpio_output;
0027     /* unset hi bits, set low bits */
0028     u16 gpio_output_enable;
0029     u16 gpio_output_disable;
0030
0031     u16 gpio_leds;
0032     u8 *led_states;
0033     unsigned int num_led_states;
0034 };
0035
0036 struct au8522_config {
0037     /* the demodulator's i2c address */
0038     u8 demod_address;
0039
0040     /* Return lock status based on tuner lock, or demod lock */
0041 #define AU8522_TUNERLOCKING 0
0042 #define AU8522_DEMODLOCKING 1
0043     u8 status_mode;
0044
0045     struct au8522_led_config *led_cfg;
0046
0047     enum au8522_if_freq vsb_if;
0048     enum au8522_if_freq qam_if;
0049 };
0050
0051 #if IS_REACHABLE(CONFIG_DVB_AU8522_DTV)
0052 extern struct dvb_frontend *au8522_attach(const struct au8522_config *config,
0053                       struct i2c_adapter *i2c);
0054 #else
0055 static inline
0056 struct dvb_frontend *au8522_attach(const struct au8522_config *config,
0057                    struct i2c_adapter *i2c)
0058 {
0059     printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
0060     return NULL;
0061 }
0062 #endif /* CONFIG_DVB_AU8522 */
0063
0064 /* Other modes may need to be added later */
0065 enum au8522_video_input {
0066     AU8522_COMPOSITE_CH1 = 1,
0067     AU8522_COMPOSITE_CH2,
0068     AU8522_COMPOSITE_CH3,
0069     AU8522_COMPOSITE_CH4,
0070     AU8522_COMPOSITE_CH4_SIF,
0071     AU8522_SVIDEO_CH13,
0072     AU8522_SVIDEO_CH24,
0073 };
0074
0075 enum au8522_audio_input {
0076     AU8522_AUDIO_NONE,
0077     AU8522_AUDIO_SIF,
0078 };
0079 #endif /* __AU8522_H__ */