/* ---------------------------------------------------------------------------- * ATMEL Microcontroller Software Support * ---------------------------------------------------------------------------- * Copyright (c) 2009, 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. * ---------------------------------------------------------------------------- */ /** * \file * * Implementation WM8731 driver. * */ #ifndef WM8731_H #define WM8731_H #include "board.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 uint16_t WM8731_Read(Twid *pTwid, uint32_t device, uint32_t regAddr); extern void WM8731_Write(Twid *pTwid, uint32_t device, uint32_t regAddr, uint16_t data); extern uint8_t WM8731_DAC_Init(Twid *pTwid, uint32_t device); extern uint8_t WM8731_VolumeSet(Twid *pTwid, uint32_t device, uint16_t value); #endif // WM8731_H