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/*
* Copyright (c) 2006-2021, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2018-05-25 RT-Thread the first version
*/
#ifndef __DRV_AC97_H__
#define __DRV_AC97_H__
/* Register offsets */
#define AC97_RESET 0x00
#define AC97_MASTER 0x02
#define AC97_HEADPHONE 0x04
#define AC97_MASTER_MONO 0x06
#define AC97_MASTER_TONE 0x08
#define AC97_PC_BEEP 0x0A //mixer volume
#define AC97_PHONE 0x0C
#define AC97_MIC 0x0E //qwert db
#define AC97_LINE 0x10
#define AC97_CD 0x12
#define AC97_VIDEO 0x14
#define AC97_AUX 0x16
#define AC97_PCM 0x18
#define AC97_REC_SEL 0x1A //0 represent mic
#define AC97_REC_GAIN 0x1C
#define AC97_REC_GAIN_MIC 0x1E
#define AC97_GENERAL_PURPOSE 0x20
#define AC97_3D_CONTROL 0x22
#define AC97_INT_PAGING 0x24 //qwert
#define AC97_POWERDOWN 0x26
#define AC97_PCM_FRONT_DAC_RATE 0x2c /* PCM Front DAC Rate */
#define AC97_PCM_SURR_DAC_RATE 0x2e /* PCM Surround DAC Rate */
#define AC97_PCM_LFE_DAC_RATE 0x30 /* PCM LFE DAC Rate */
#define AC97_PCM_LR_ADC_RATE 0x32 /* PCM LR ADC Rate */
#define AC97_PCM_MIC_ADC_RATE 0x34 /* PCM MIC ADC Rate */
#define AC97_DAC_SLOT_MAP 0x6C
#define AC97_ADC_SLOT_MAP 0x6E
void ac97_reset(void);
rt_err_t ac97_set_vol(int vol);
int ac97_get_vol(void);
rt_err_t ac97_set_rate(int rate);
int ac97_get_rate(void);
#endif
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