/* ---------------------------------------------------------------------------- * ATMEL Microcontroller Software Support * ---------------------------------------------------------------------------- * Copyright (c) 2008, Atmel Corporation * * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: * * - Redistributions of source code must retain the above copyright notice, * this list of conditions and the disclaimer below. * * Atmel's name may not be used to endorse or promote products derived from * this software without specific prior written permission. * * DISCLAIMER: THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE * DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * ---------------------------------------------------------------------------- */ //------------------------------------------------------------------------------ /// \unit /// /// !!!Purpose /// /// Definition of methods for WM8731 driver. /// /// !!!Usage /// /// -# WM8731_Read /// -# WM8731_Write /// -# WM8731_DAC_Init //------------------------------------------------------------------------------ #ifndef WM8731_H #define WM8731_H #include "board.h" #include "twi/twid.h" //------------------------------------------------------------------------------ // Definitions //------------------------------------------------------------------------------ #define WM8731_CSB_STATE (0x0 << 0) /// Slave address //#define WM8731_SLAVE_ADDRESS 0x1a | WM8731_CSB_STATE #define WM8731_SLAVE_ADDRESS 0x1b /// Reset register #define WM8731_REG_RESET 0x0F /// Left Line in register #define WM8731_REG_LEFT_lINEIN 0x0 /// Left line input volume control #define WM8731_LINVOL_BITS (0x1f << 0) /// Left line input mute to ADC #define WM8731_LINMUTE_BIT (0x1 << 7) /// Left to right channel line input volume and mute data load control #define WM8731_LRINBOTH_BIT (0x0 << 8) /// Right Line in register #define WM8731_REG_RIGHT_lINEIN 0x1 /// Right line input volume control #define WM8731_RINVOL_BITS (0x1f << 0) /// Right line input mute to ADC #define WM8731_RINMUTE_BIT (0x1 << 7) /// Right to right channel line input volume and mute data load control #define WM8731_RLINBOTH_BIT (0x0 << 8) /// Left Headphone out register #define WM8731_REG_LEFT_HPOUT 0x2 /// Left chnnel headphone output volume control #define WM8731_LHPVOL_BITS (0x7f << 0) /// Left channel zero cross detect enable #define WM8731_LZCEN_BIT (0x1 << 7) /// Left to right channel headphone volume, mute and zero cross data load control #define WM8731_LRHPBOTH_BIT (0x1 << 8) /// Right Headphone out register #define WM8731_REG_RIGHT_HPOUT 0x3 /// Right chnnel headphone output volume control #define WM8731_RHPVOL_BITS (0x7f << 0) /// Right channel zero cross detect enable #define WM8731_RZCEN_BIT (0x1 << 7) /// Right to right channel headphone volume, mute and zero cross data load control #define WM8731_RLHPBOTH_BIT (0x1 << 8) /// Analogue audio path control register #define WM8731_REG_ANALOGUE_PATH_CTRL 0x4 /// Digital audio path control register #define WM8731_REG_DIGITAL_PATH_CTRL 0x5 /// Power down control register #define WM8731_REG_PWDOWN_CTRL 0x6 /// LineIn power down #define WM8731_LINEINPD_BIT (0x1 << 0) #define WM8731_ENABLE_LINEINPD (0x1 << 0) #define WM8731_DISABLE_LINEINPD (0x0 << 0) /// Mic power down #define WM8731_MICPD_BIT (0x1 << 1) #define WM8731_ENABLE_MICPD (0x1 << 1) #define WM8731_DISABLE_MICPD (0x0 << 1) /// ADC power down #define WM8731_ADCPD_BIT (0x1 << 2) #define WM8731_ENABLE_ADCPD (0x1 << 2) #define WM8731_DISABLE_ADCPD (0x0 << 2) /// DAC power down #define WM8731_DACPD_BIT (0x1 << 3) #define WM8731_ENABLE_DACPD (0x1 << 3) #define WM8731_DISABLE_DACPD (0x0 << 3) /// OUT power down #define WM8731_OUTPD_BIT (0x1 << 4) #define WM8731_ENABLE_OUTPD (0x1 << 4) #define WM8731_DISABLE_OUTPD (0x0 << 4) /// OSC power down #define WM8731_OSCBIT (0x1 << 5) #define WM8731_ENABLE_OSCPD (0x1 << 5) #define WM8731_DISABLE_OSCPD (0x0 << 5) /// CLKOUT powerdown #define WM8731_CLKOUTPD_BIT (0x1 << 6) #define WM8731_ENABLE_CLKOUTPD (0x1 << 6) #define WM8731_DISABLE_CLKOUTPD (0x0 << 6) /// Power off device #define WM8731_POWEROFF_BIT (0x1 << 7) #define WM8731_DEV_POWER_OFF (0x1 << 7) #define WM8731_DEV_POWER_ON (0x0 << 7) /// Interface format register #define WM8731_REG_DA_INTERFACE_FORMAT 0x7 /// Format #define WM8731_FORMAT_BITS (0x3 << 0) #define WM8731_FORMAT_MSB_LEFT_JUSTIFIED (0x0 << 0) #define WM8731_FORMAT_MSB_RIGHT_JUSTIFIED (0x1 << 0) #define WM8731_FORMAT_I2S (0x2 << 0) #define WM8731_FORMAT_DSP (0x3 << 0) /// Input audio data bit length select #define WM8731_IWL_BITS (0x3 << 2) #define WM8731_IWL_16_BIT (0x0 << 2) #define WM8731_IWL_20_BIT (0x1 << 2) #define WM8731_IWL_24_BIT (0x2 << 2) #define WM8731_IWL_32_BIT (0x3 << 2) /// DACLRC phase control #define WM8731_IRP_BITS (0x1 << 4) /// DAC Left right clock swap #define WM8731_IRSWAP_BIT (0x1 << 5) /// Master slave mode control #define WM8731_MS_BIT (0x1 << 6) #define WM8731_ENABLE_MASTER_MODE (0x1 << 6) #define WM8731_ENABLE_SLAVE_MODE (0x0 << 6) /// Bit clock invert #define WM8731_BCLKINV_BIT (0x1 << 7) /// Sampling control #define WM8731_REG_SAMPLECTRL 0x8 /// Mode select, usb mode, normal mode #define WM8731_USBNORMAL_BIT (0x1 << 0) #define WM8731_NORMAL_MODE (0x1 << 0) #define WM8731_USB_MODE (0x1 << 1) /// Base over-sampling rate #define WM8731_BOSR_BIT (0x1 << 1) #define WM8731_USB_250FS (0x0 << 1) #define WM8731_USB_272FS (0x1 << 1) #define WM8731_NORMAL_256FS (0x0 << 1) #define WM8731_NORMAL_128_192_384_FS (0x1 << 1) /// Sample rate control #define WM8731_SR_BITS (0xf << 2) /// #define WM8731_CLKIDIV2_BIT (0x1 << 6) /// #define WM8731_CLKODIV2_BIT (0x1 << 7) /// Active control register #define WM8731_REG_ACTIVE_CTRL 0x9 /// Activate interface #define WM8731_ACTIVE_BIT (0x1 << 0) #define WM8731_ACTIVE_INTERFACE_ACTIVE (0x1 << 1) #define WM8731_ACTIVE_INTERFACE_INACTIVE (0x0 << 1) //------------------------------------------------------------------------------ // Exported functions //------------------------------------------------------------------------------ extern unsigned short WM8731_Read(Twid *pTwid, unsigned int device, unsigned int register); extern void WM8731_Write(Twid *pTwid, unsigned int device, unsigned int register, unsigned short data); extern unsigned char WM8731_DAC_Init(Twid *pTwid, unsigned int device); extern void WM8731_DAC_PD(Twid *pTwid, unsigned int device); extern unsigned char WM8731_VolumeSet(Twid *pTwid, unsigned int device, unsigned short value); #endif // WM8731_H