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/* ----------------------------------------------------------------------------
* 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
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