?? codec.h
字號:
/*******************************************************************
Copyright (c) 2004 BSQUARE Corporation. All rights reserved.
******************************************************************/
#ifndef _I2S_CODEC_H_
#define _I2S_CODEC_H_
//
// Codec Controller registers
//
//
#define WM8731_LLI 0x0 // Left Line In
#define WM8731_RLI 0x1 // Right Line In
#define WM8731_LHO 0x2 // Left Headphone Output
#define WM8731_RHO 0x3 // Right Headphone Output
#define WM8731_AAPC 0x4 // Analog Audio Path Control
#define WM8731_DAPC 0x5 // Digital Audio Path Control
#define WM8731_PDC 0x6 // Power Down Control
#define WM8731_DAIF 0x7 // Digital Audio Interface Control
#define WM8731_SC 0x8 // Sampling Control
#define WM8731_AC 0x9 // Active Control
#define WM8731_RR 0xF // Reset Register
//
// Define the individual bits in the indexed control registers. The full set is not
// defined here, only the ones which are of interest in this driver
//
#define LLI_LINVOL_N(x) ((x)&0x1F)
#define LLI_LINMUTE 0x0080
#define LLI_LRINBOTH 0x0100
#define RLI_RINVOL_N(x) ((x)&0x1F)
#define RLI_RINMUTE 0x0080
#define RLI_RLINBOTH 0x0100
#define LHO_LHPVOL_N(x) ((x)&0x7F)
#define LHO_LZCEN 0x0080
#define LHO_LRHPBOTH 0x0100
#define RHO_RHPVOL_N(x) ((x)&0x7F)
#define RHO_RZCEN 0x0080
#define RHO_RLHPBOTH 0x0100
#define AAPC_MICBOOST 0x0001
#define AAPC_MUTEMIC 0x0002
#define AAPC_INSEL 0x0004
#define AAPC_BYPASS 0x0008
#define AAPC_DACSEL 0x0010
#define AAPC_SIDETONE 0x0020
#define AAPC_SIDEATT_N(x) (((x)&0x3)<<6)
#define AAPC_SIDEATT_15 AAPC_SIDEATT_N(3)
#define AAPC_SIDEATT_12 AAPC_SIDEATT_N(1)
#define AAPC_SIDEATT_19 AAPC_SIDEATT_N(1)
#define AAPC_SIDEATT_6 AAPC_SIDEATT_N(0)
#define DAPC_ADCHPD 0x0001
#define DAPC_DEEMP_N(x) (((x)&0x3)<<1)
#define DAPC_DEEMP_48 DAPC_DEEMP_N(3)
#define DAPC_DEEMP_44 DAPC_DEEMP_N(2)
#define DAPC_DEEMP_32 DAPC_DEEMP_N(1)
#define DAPC_DEEMP_OFF DAPC_DEEMP_N(0)
#define DAPC_DACMU 0x0008
#define DAPC_HPOR 0x0010
#define PDC_LINEINPD 0x0001
#define PDC_MICPD 0x0002
#define PDC_ADCPD 0x0004
#define PDC_DACPD 0x0008
#define PDC_OUTPD 0x0010
#define PDC_OSCPD 0x0020
#define PDC_CLKOUTPD 0x0040
#define PDC_POWEROFF 0x0080
#define DAIF_FORMAT_N(x) (((x)&0x3)<<0)
#define DAIF_FORMAT_DSP DAIF_FORMAT_N(3)
#define DAIF_FORMAT_I2S DAIF_FORMAT_N(2)
#define DAIF_FORMAT_LJUST DAIF_FORMAT_N(1)
#define DAIF_FORMAT_RJUST DAIF_FORMAT_N(0)
#define DAIF_IWL_N(x) (((x)&0x3)<<2)
#define DAIF_IWL_32 DAIF_IWL_N(3)
#define DAIF_IWL_24 DAIF_IWL_N(2)
#define DAIF_IWL_20 DAIF_IWL_N(1)
#define DAIF_IWL_16 DAIF_IWL_N(0)
#define DAIF_LRP 0x0010
#define DAIF_LRSWAP 0x0020
#define DAIF_MS 0x0040
#define DAIF_BCLKINV 0x0080
#define SC_USB 0x0001
#define SC_BOSR 0x0002
#define SC_SR_N(x) (((x)&0xF)<<2)
#define SC_CLKIDIV2 0x0040
#define SC_CLKODIV2 0x0080
#define AC_ACTIVE 0x0001
#define RR_RESET 0x0000
extern BOOLEAN CodecSetVolume(IN HANDLE hSMBus,IN ULONG Volume);
extern ULONG CodecGetVolume(IN HANDLE hSMBus);
extern BOOLEAN InitializeCodec(IN OUT PWAVE_DEVICE_INSTANCE);
extern BOOL InitializeDMARegisters(PWAVE_DEVICE_INSTANCE );
#endif _I2S_CODEC_H_
?? 快捷鍵說明
復制代碼
Ctrl + C
搜索代碼
Ctrl + F
全屏模式
F11
切換主題
Ctrl + Shift + D
顯示快捷鍵
?
增大字號
Ctrl + =
減小字號
Ctrl + -