diff options
Diffstat (limited to 'sound/soc/codecs/ymu831/mcmachdep.c')
| -rw-r--r-- | sound/soc/codecs/ymu831/mcmachdep.c | 376 |
1 files changed, 376 insertions, 0 deletions
diff --git a/sound/soc/codecs/ymu831/mcmachdep.c b/sound/soc/codecs/ymu831/mcmachdep.c new file mode 100644 index 0000000..90ba2e4 --- /dev/null +++ b/sound/soc/codecs/ymu831/mcmachdep.c @@ -0,0 +1,376 @@ +/**************************************************************************** + * + * 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); +} + |