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|
/****************************************************************************
*
* Copyright(c) 2012-2013 Yamaha Corporation. All rights reserved.
*
* Module : mcmachdep.c
*
* Description : machine dependent part for MC Driver
*
* Version : 1.0.5 2013.01.21
*
* This software is provided 'as-is', without any express or implied
* warranty. In no event will the authors be held liable for any damages
* arising from the use of this software.
*
* Permission is granted to anyone to use this software for any purpose,
* including commercial applications, and to alter it and redistribute it
* freely, subject to the following restrictions:
*
* 1. The origin of this software must not be misrepresented; you must not
* claim that you wrote the original software. If you use this software
* in a product, an acknowledgment in the product documentation would be
* appreciated but is not required.
* 2. Altered source versions must be plainly marked as such, and must not be
* misrepresented as being the original software.
* 3. This notice may not be removed or altered from any source distribution.
*
****************************************************************************/
#include <linux/delay.h>
#include <linux/mutex.h>
#include "ymu831_priv.h"
#include "mcmachdep.h"
#if (MCDRV_DEBUG_LEVEL >= 4)
#include "mcdebuglog.h"
#endif
static struct mutex McDrv_Mutex;
/****************************************************************************
* machdep_SystemInit
*
* Description:
* Initialize the system.
* Arguments:
* none
* Return:
* none
*
****************************************************************************/
void machdep_SystemInit(
void
)
{
#if (MCDRV_DEBUG_LEVEL >= 4)
McDebugLog_FuncIn("machdep_SystemInit");
#endif
/* Please implement system initialization procedure if need */
mutex_init(&McDrv_Mutex);
#if (MCDRV_DEBUG_LEVEL >= 4)
McDebugLog_FuncOut("machdep_SystemInit", 0);
#endif
}
/****************************************************************************
* machdep_SystemTerm
*
* Description:
* Terminate the system.
* Arguments:
* none
* Return:
* none
*
****************************************************************************/
void machdep_SystemTerm(
void
)
{
#if (MCDRV_DEBUG_LEVEL >= 4)
McDebugLog_FuncIn("machdep_SystemTerm");
#endif
/* Please implement system termination procedure if need */
mutex_destroy(&McDrv_Mutex);
#if (MCDRV_DEBUG_LEVEL >= 4)
McDebugLog_FuncOut("machdep_SystemTerm", 0);
#endif
}
/****************************************************************************
* machdep_ClockStart
*
* Description:
* Start clock.
* Arguments:
* none
* Return:
* none
*
****************************************************************************/
void machdep_ClockStart(
void
)
{
#if (MCDRV_DEBUG_LEVEL >= 4)
McDebugLog_FuncIn("machdep_ClockStart");
#endif
/* Please implement clock start procedure if need */
#if (MCDRV_DEBUG_LEVEL >= 4)
McDebugLog_FuncOut("machdep_ClockStart", 0);
#endif
}
/****************************************************************************
* machdep_ClockStop
*
* Description:
* Stop clock.
* Arguments:
* none
* Return:
* none
*
****************************************************************************/
void machdep_ClockStop(
void
)
{
#if (MCDRV_DEBUG_LEVEL >= 4)
McDebugLog_FuncIn("machdep_ClockStop");
#endif
/* Please implement clock stop procedure if need */
#if (MCDRV_DEBUG_LEVEL >= 4)
McDebugLog_FuncOut("machdep_ClockStop", 0);
#endif
}
/***************************************************************************
* machdep_WriteReg
*
* Function:
* Write data to the register.
* Arguments:
* bSlaveAdr slave address
* pbData byte data for write
* dSize byte data length
* Return:
* None
*
****************************************************************************/
void machdep_WriteReg(
UINT8 bSlaveAdr,
const UINT8 *pbData,
UINT32 dSize
)
{
#if (MCDRV_DEBUG_LEVEL >= 4)
McDebugLog_FuncIn("machdep_WriteReg");
#endif
/* Please implement register write procedure */
mc_asoc_write_data(bSlaveAdr, pbData, dSize);
#if (MCDRV_DEBUG_LEVEL >= 4)
McDebugLog_FuncOut("machdep_WriteReg", 0);
#endif
}
/***************************************************************************
* machdep_ReadReg
*
* Function:
* Read a byte data from the register.
* Arguments:
* bSlaveAdr slave address
* dAddress address of register
* pbData pointer to read data buffer
* dSize read count
* Return:
* none
*
****************************************************************************/
void machdep_ReadReg(
UINT8 bSlaveAdr,
UINT32 dAddress,
UINT8 *pbData,
UINT32 dSize
)
{
#if (MCDRV_DEBUG_LEVEL >= 4)
SINT32 sdRet;
McDebugLog_FuncIn("machdep_ReadReg");
#endif
/* Please implement register read procedure */
mc_asoc_read_data(bSlaveAdr, dAddress, pbData, dSize);
#if (MCDRV_DEBUG_LEVEL >= 4)
sdRet = (SINT32)dSize;
McDebugLog_FuncOut("machdep_ReadReg", &sdRet);
#endif
}
/****************************************************************************
* machdep_Sleep
*
* Function:
* Sleep for a specified interval.
* Arguments:
* dSleepTime sleep time [us]
* Return:
* None
*
****************************************************************************/
void machdep_Sleep(
UINT32 dSleepTime
)
{
unsigned long ms = dSleepTime / 1000;
unsigned long us = dSleepTime % 1000;
#if (MCDRV_DEBUG_LEVEL >= 4)
McDebugLog_FuncIn("machdep_Sleep");
#endif
/* Please implement sleep procedure */
if (us)
udelay(us);
if (ms)
msleep(ms);
#if (MCDRV_DEBUG_LEVEL >= 4)
McDebugLog_FuncOut("machdep_Sleep", 0);
#endif
}
/***************************************************************************
* machdep_Lock
*
* Function:
* Lock a call of the driver.
* Arguments:
* none
* Return:
* none
*
****************************************************************************/
void machdep_Lock(
void
)
{
#if (MCDRV_DEBUG_LEVEL >= 4)
McDebugLog_FuncIn("machdep_Lock");
#endif
/* Please implement lock procedure */
mutex_lock(&McDrv_Mutex);
#if (MCDRV_DEBUG_LEVEL >= 4)
McDebugLog_FuncOut("machdep_Lock", 0);
#endif
}
/***************************************************************************
* machdep_Unlock
*
* Function:
* Unlock a call of the driver.
* Arguments:
* none
* Return:
* none
*
****************************************************************************/
void machdep_Unlock(
void
)
{
#if (MCDRV_DEBUG_LEVEL >= 4)
McDebugLog_FuncIn("machdep_Unlock");
#endif
/* Please implement unlock procedure */
mutex_unlock(&McDrv_Mutex);
#if (MCDRV_DEBUG_LEVEL >= 4)
McDebugLog_FuncOut("machdep_Unlock", 0);
#endif
}
/***************************************************************************
* machdep_PreLDODStart
*
* Function:
* .
* Arguments:
* none
* Return:
* none
*
****************************************************************************/
void machdep_PreLDODStart(
void
)
{
UINT8 bData[2];
#if (MCDRV_DEBUG_LEVEL >= 4)
McDebugLog_FuncIn("machdep_PreLDODStart");
#endif
/* Please implement procedure */
mc_asoc_set_codec_ldod(1);
bData[0] = 0x04;
bData[1] = 0x01;
mc_asoc_write_data(0, bData, 2);
#if (MCDRV_DEBUG_LEVEL >= 4)
McDebugLog_FuncOut("machdep_PreLDODStart", 0);
#endif
}
/***************************************************************************
* machdep_PostLDODStart
*
* Function:
* .
* Arguments:
* none
* Return:
* none
*
****************************************************************************/
void machdep_PostLDODStart(
void
)
{
#if (MCDRV_DEBUG_LEVEL >= 4)
McDebugLog_FuncIn("machdep_PostLDODStart");
#endif
/* Please implement procedure */
mc_asoc_set_codec_ldod(0);
#if (MCDRV_DEBUG_LEVEL >= 4)
McDebugLog_FuncOut("machdep_PostLDODStart", 0);
#endif
}
/***************************************************************************
* machdep_DebugPrint
*
* Function:
* Output debug log.
* Arguments:
* pbLogString log string buffer pointer
* Return:
* none
*
****************************************************************************/
void machdep_DebugPrint(
UINT8 *pbLogString
)
{
/* Please implement debug output procedure */
pr_debug("MCDRV: %s\n", pbLogString);
}
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