autosira_msm7731.h

蓝牙HANDFREE软件源代码

/****************************************************************************
FILE
    autosira_msm7731.h           
 
DESCRIPTION
    
    This module contains a device abstraction for an OKI Semiconductor
    MSM7731 dual echo canceler and noise canceller with dual codec for
    hands free applications.  The library is built on top of the SPI
    library
 
    The MSM 7731 is an IC device developed for portable, handfree
    communication with built-in echo canceler, acoustic echo canceler,
    and transmission signal noise canceler.  Built-in to the voice
    signal interface is a linear CODEC for the analog interface on the
    acoustic-side and a linear CODEC for the analog interface on the
    line-side.  On the line-side, in addition to the analog interface,
    there is also a U-law PCM/16-bit linear digital interface.
    Equipped with gain and mute controls for data transmission and
    reception, a u-law PCM/16-bit linear digital interface for memo
    recording and message output, and transfer clock and sync clock
    generators for digital communication, the device is ideally suited
    for handsfree systems.
*/

#ifndef __MSM7771_H
#define __MSM7731_H

#include <csrtypes.h>

/* set to pio 13 for Autosira */
#define PWNRST  (1<<13)

/* 
        Definition of MSM7731 control registers.  Note Control Register 0 (CR0) is
        mapped at address 0
*/
typedef enum 
{
    CR0 = 0,
    CR1,
    CR2,
    CR3,
    CR4,
    CR5,
    CR6,
    CR7,
    CR8,
    CR9,
    CR10,
    CR11,
    CR12
} MSM7731_REG;


#define MSM7731_REG_MASK        (0x0F)
#define MSM7731_WRITE           (0x00)
#define MSM7731_READ            (0x80)
#define MSM7731_READY           (0x80)
#define MSM7731_PDNRST          (0x80)
#define MSM7731_INTWRITE        (0x80)


/* These are the persistent store keys used by the MSM */
#define PS_BASE 10

#define PS_CR0                   (PS_BASE+0)
#define PS_CR1                   (PS_BASE+1)
#define PS_CR2                   (PS_BASE+2)
#define PS_CR3                   (PS_BASE+3)
#define PS_CR4                   (PS_BASE+4)
#define PS_CR5                   (PS_BASE+5)
#define PS_CR6                   (PS_BASE+6)
#define PS_CR7                   (PS_BASE+7)
#define PS_CR8                   (PS_BASE+8)
#define PS_CR9                   (PS_BASE+9)
#define PS_CR10                  (PS_BASE+10)
#define PS_CR11                  (PS_BASE+11)
#define PS_CR12                  (PS_BASE+12)
#define PS_CR13                  (PS_BASE+13)

/* These are the default values read from the PS and loaded into the MSM device*/
static const uint16 msmDefaultValues[13] =
{       0x34,   /* CR0 */
        0x04,   /* CR1 */
        0x00,   /* CR2 */
        0x07,   /* CR3 */
        0xb7,   /* CR4 */
        0x13,   /* CR5 */
        0x00,   /* CR6 */
        0x00,   /* CR7 */
        0x01,   /* CR8 MSB Echo delay time */
        0x00,   /* CR9 LSB Echo delay time */
        0x5a,   /* CR10 */
        0x00,   /* CR11 */
        0x04    /* CR12 */
};

/* These are the 16 gain settings used to control the speaker volume of the HFCK */
static const uint16 msmGain[16] =
{       0x34,   /* -36dB */
        0x35,   /* -33dB */
        0x36,   /* -30dB */
        0x37,   /* -27dB */
        0x38,   /* -24dB */
        0x39,   /* -21dB */
        0x3a,   /* -18dB */
        0x3b,   /* -15dB */
        0x3c,   /* -12dB */
        0x3d,   /* -9dB */
        0x3e,   /* -6dB */
        0x3f,   /* -3dB */
        0x00,   /*  0dB */
        0x01,   /*  3dB */
        0x02,   /*  6dB */
        0x03    /*  9dB */
};

/****************************************************************************
NAME
    Msm7731Init
 
FUNCTION
    This function is called by the client at Reset to configure the
    device for operation.  The underlying SPI transport is initialised
    and any device specific initialisation

RETURNS
     void
*/

void Msm7731Init(void);

/****************************************************************************
NAME
    MsmUpdate
 
FUNCTION
    This function is called by the client at Reset to configure the
    device for operation.  The values from the PS are loaded into the
    MSM

RETURNS
    void
*/

void MsmUpdate(void);

/****************************************************************************
NAME
    PsUpdate
 
FUNCTION
    This function is called by the client at Reset to configure any
    empty PS values with default values.

RETURNS
    void
*/

void PsUpdate(void);

/****************************************************************************
NAME
    PsUpdate
 
FUNCTION
    This function is called by the client at Reset to configure any
    empty PS values with default values.

RETURNS
    void
*/

void Debug(void);

/****************************************************************************
NAME
    MsmReadReady
 
FUNCTION
    This function is called by the client to check the read ready bit
    of CR11 to check that the MSM is ready to be written to.

RETURNS
    void
*/
void MsmAudio(void);

void MsmPdnRst(void);

/****************************************************************************
NAME
    MsmReadReady
 
FUNCTION
    This function is called by the client to check the read ready bit
    of CR11 to check that the MSM is ready to be written to.

RETURNS
    void
*/
void MsmWriteDelay(void);

/****************************************************************************
NAME
    MsmReadReady
 
FUNCTION
    This function is called by the client to check the read ready bit
    of CR11 to check that the MSM is ready to be written to.

RETURNS
    void
*/
uint8 Msm7731ReadReady(void);

/****************************************************************************
NAME
    Msm7731Write
 
FUNCTION

    This function is called by the client to write to one of the
    devices internal registers.  See pages 26 to 39 of the datasheet
    for a full description

        CR0 -   Basic operating mode setting
        CR1 -   
        CR2 -   Receive side level control
        CR3 -   Transmit gain adjustment
        CR4 -   Line echo canceler strings
        CR5     -       Acoustic echo canceler setting
        CR6 -   Internal data memory write register
        CR7 -   Internal data memory write register
        CR8 -   Internal data memory write register
        CR9 -   Internal data memory write register
        CR10-   Echo canceler I/O level setting
        CR11-   SYNC power-down control register
        CR12-   Reserved register

    The control register to write to is defined by reg and the data to
    be written supplied by data.  This function performs a write
    followed by read to verify the write cycle.  In the event that a
    write operation fails then FALSE is returned to indicate to the
    Client that the operation was unsuccessful
        
RETURNS
    TRUE or FALSE
*/

uint16 Msm7731Write(MSM7731_REG reg, uint8 data);


/****************************************************************************
NAME
    Msm7731Read
 
FUNCTION
    This function is called by the client to read one of the devices
    internal registers.  See pages 26 to 39 of the datasheet for a
    full description

        CR0 -   Basic operating mode setting
        CR1 -   
        CR2 -   Receive side level control
        CR3 -   Transmit gain adjustment
        CR4 -   Line echo canceler strings
        CR5     -       Acoustic echo canceler setting
        CR6 -   Internal data memory write register
        CR7 -   Internal data memory write register
        CR8 -   Internal data memory write register
        CR9 -   Internal data memory write register
        CR10-   Echo canceler I/O level setting
        CR11-   SYNC power-down control register
        CR12-   Reserved register

    The control regsiter to read is defined by reg 
        
RETURNS
    The contents of the control register
*/

uint8 Msm7731Read(MSM7731_REG reg);

/*This is the function which sets the gain and writes it to the MSM device*/
void setMSMGain(uint16 gain);

/*This is the function which sets the gain initial gain after power up*/
void MSMGainInit(void);

#endif /* ndef __MSM7731_H */