/* SPDX-License-Identifier: GPL-2.0 */
#ifndef XONAR_DG_H_INCLUDED
#define XONAR_DG_H_INCLUDED

#include "oxygen.h"

#define GPIO_MAGIC              0x0008
#define GPIO_HP_DETECT          0x0010
#define GPIO_INPUT_ROUTE        0x0060
#define GPIO_HP_REAR            0x0080
#define GPIO_OUTPUT_ENABLE      0x0100

#define CAPTURE_SRC_MIC         0
#define CAPTURE_SRC_FP_MIC      1
#define CAPTURE_SRC_LINE        2
#define CAPTURE_SRC_AUX         3

#define PLAYBACK_DST_HP         0
#define PLAYBACK_DST_HP_FP      1
#define PLAYBACK_DST_MULTICH    2

enum cs4245_shadow_operation {
        CS4245_SAVE_TO_SHADOW,
        CS4245_LOAD_FROM_SHADOW
};

struct dg {
        /* shadow copy of the CS4245 register space */
        unsigned char cs4245_shadow[17];
        /* output select: headphone/speakers */
        unsigned char output_sel;
        /* volumes for all capture sources */
        char input_vol[4][2];
        /* input select: mic/fp mic/line/aux */
        unsigned char input_sel;
};

/* Xonar DG control routines */
int cs4245_write_spi(struct oxygen *chip, u8 reg);
int cs4245_read_spi(struct oxygen *chip, u8 reg);
int cs4245_shadow_control(struct oxygen *chip, enum cs4245_shadow_operation op);
void dg_init(struct oxygen *chip);
void set_cs4245_dac_params(struct oxygen *chip,
                                  struct snd_pcm_hw_params *params);
void set_cs4245_adc_params(struct oxygen *chip,
                                  struct snd_pcm_hw_params *params);
unsigned int adjust_dg_dac_routing(struct oxygen *chip,
                                          unsigned int play_routing);
void dump_cs4245_registers(struct oxygen *chip,
                                struct snd_info_buffer *buffer);
void dg_suspend(struct oxygen *chip);
void dg_resume(struct oxygen *chip);
void dg_cleanup(struct oxygen *chip);

extern const struct oxygen_model model_xonar_dg;

#endif