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/**************************************************************************************************
*
* Copyright (c) 2004 - 2007 Winbond Electronics Corp. All rights reserved.
*
* FILENAME
* W90N745_AUDIO.H
*
* VERSION
* 1.1
*
* DESCRIPTION
* This file contains the main structure of w90n745 audio module
*
* HISTORY
* 02/09/2004 Ver 1.0 Created by PC30 YCHuang
* 11/25/2005 Ver 1.1 Modified by PC34 QFu
*
* REMARK
* None
*
*************************************************************************************************/
#ifndef _W90N745_AUDIO_H_
#define _W90N745_AUDIO_H_
#include <asm/arch/cdefs.h>
#include <asm/semaphore.h>
typedef int (*AU_CB_FUN_T)(UINT32, UINT32);
typedef enum au_dev_e
{
AU_DEV_AC97,
AU_DEV_IIS
} AU_DEV_E;
typedef struct wb_audio_codec_t{
AU_DEV_E dev; /* codec type */
INT (*get_capacity)(VOID);
VOID (*set_play_buffer)(UINT32, UINT32);
VOID (*set_record_buffer)(UINT32, UINT32);
INT (*set_play_volume)(UINT32 nLeft, UINT32 nRight);
INT (*set_record_volume)(UINT32 nLeft, UINT32 nRight);
INT (*reset)(VOID);
INT (*start_play)(AU_CB_FUN_T fnCallBack, INT nSamplingRate, INT nChannels);
VOID (*stop_play)(VOID);
INT (*start_record)(AU_CB_FUN_T fnCallBack, INT nSamplingRate, INT nChannels);
VOID (*stop_record)(VOID);
VOID (*play_interrupt)(VOID); /* nonzero play stopped */
VOID (*record_interrupt)(VOID);
}WB_AUDIO_CODEC_T;
typedef struct audio_t
{
AU_CB_FUN_T fnPlayCallBack;
AU_CB_FUN_T fnRecCallBack;
INT nPlaySamplingRate;
INT nRecSamplingRate;
short sPlayVolume;
short sRecVolume;
UINT32 uPlayBufferAddr;
UINT32 uPlayBufferLength;
UINT32 uRecordBufferAddr;
UINT32 uRecordBufferLength;
}AUDIO_T;
typedef struct wb_audio_t{
int state;
int open_flags;
int dsp_dev, dsp_openflag;
int mixer_dev, mixer_openflag;
unsigned int play_buf_addr, record_buf_addr;
unsigned int play_buf_length, record_buf_length;
int nSamplingRate;
int nChannels;
int nPlayVolumeLeft, nPlayVolumeRight, nRecordVolumeLeft, nRecordVolumeRight;
struct{
int ptr;
}play_half_buf[2], record_half_buf[2];
WB_AUDIO_CODEC_T *codec;
struct semaphore dsp_read_sem, dsp_write_sem, mixer_sem;
struct fasync_struct *fasync_ptr;
wait_queue_head_t write_wait_queue, read_wait_queue;
}WB_AUDIO_T;
#define AU_SAMPLE_RATE_48000 48000
#define AU_SAMPLE_RATE_44100 44100
#define AU_SAMPLE_RATE_32000 32000
#define AU_SAMPLE_RATE_24000 24000
#define AU_SAMPLE_RATE_22050 22050
#define AU_SAMPLE_RATE_16000 16000
#define AU_SAMPLE_RATE_11025 11025
#define AU_SAMPLE_RATE_8000 8000
#define AU_CH_MONO 1
#define AU_CH_STEREO 2
/* state code */
#define AU_STATE_NOP 0
#define AU_STATE_PLAYING 1
#define AU_STATE_RECORDING 2
/* capacity */
#define AU_CAP_DUPLEX 1
/* Error Code */
#define ERR_AU_GENERAL_ERROR -1
#define ERR_AU_NO_MEMORY -5 /* memory allocate failure */
#define ERR_AU_ILL_BUFF_SIZE -10 /* illegal callback buffer size */
#define ERR_AC97_CODEC_RESET -20 /* AC97 codec reset failed */
#define ERR_AC97_PLAY_ACTIVE -22 /* AC97 playback has been activated */
#define ERR_AC97_REC_ACTIVE -23 /* AC97 record has been activated */
#define ERR_AC97_NO_DEVICE -24 /* have no AC97 codec on board */
#define ERR_MA3_PLAY_ACTIVE -50 /* MA3 playback has been activated */
#define ERR_MA3_NO_DEVICE -51 /* have no MA3 chip on board */
#define ERR_MA5_PLAY_ACTIVE -80 /* MA5 playback has been activated */
#define ERR_MA5_NO_DEVICE -81 /* have no MA5 chip on board */
#define ERR_MA5I_NO_DEVICE -90 /* have no MA5i chip on board */
#define ERR_DAC_PLAY_ACTIVE -110 /* DAC playback has been activated */
#define ERR_DAC_NO_DEVICE -111 /* DAC is not available */
#define ERR_ADC_REC_ACTIVE -120 /* ADC record has been activated */
#define ERR_ADC_NO_DEVICE -121 /* ADC is not available */
#define ERR_IIS_PLAY_ACTIVE -140 /* IIS playback has been activated */
#define ERR_IIS_REC_ACTIVE -141 /* IIS record has been activated */
#define ERR_IIS_NO_DEVICE -142 /* has no IIS codec on board */
#define ERR_WM8753_NO_DEVICE -150 /* has no wm8753 codec on board */
#define ERR_W5691_PLAY_ACTIVE -160 /* W5691 playback has been activated */
#define ERR_W5691_NO_DEVICE -161 /* Have no W5691 chip on board */
#define ERR_NO_DEVICE -201 /* audio device not available */
extern WB_AUDIO_CODEC_T wb_ac97_codec;
extern WB_AUDIO_CODEC_T wb_i2s_codec;
#endif /* _W90N745_AUDIO_H_ */
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