/*
** Function Name : MFC_Close
**
** Function Description : This function close MFC instance.
** The instance handle and memory block free here.
*/
BOOL
MFC_Close(
DWORD OpenHandle
)
{
MFC_HANDLE *handle;
BOOL ret;
handle = (MFC_HANDLE *) OpenHandle;
if (handle == NULL)
return FALSE;
if(handle->pStrmBuf)
{
ret = VirtualFreeEx(handle->hUsrProc, // HANDLE hProcess
handle->pStrmBuf,
0,
MEM_RELEASE);
if (ret == FALSE)
RETAILMSG(1, (L"\n[MFC_Close] VirtualFreeEx(STRM_BUF) returns FALSE.\n"));
}
if(handle->pFramBuf)
{
ret = VirtualFreeEx(handle->hUsrProc, // HANDLE hProcess
handle->pFramBuf,
0,
MEM_RELEASE);
if (ret == FALSE)
RETAILMSG(1, (L"\n[MFC_Close] VirtualFreeEx(FRAM_BUF) returns FALSE.\n"));
}
if (handle->mfc_inst)
{
MFCInst_Delete(handle->mfc_inst);
}
free(handle);
// Decrement OpenHandle Count
InterlockedDecrement(&_openhandle_count);
if (_openhandle_count == 1)
{ // Remain Power Control handle only.
// MFC is now sw-reset.
Mfc_Clk_On();
MfcReset();
Mfc_Clk_Off();
// MFC Power Off
Mfc_Pwr_Off();
}
else if (_openhandle_count == 0)
{
RETAILMSG(1, (L"\n[MFC_Close] Power Manager Handle closed...\n"));
gMfcHandlePower = NULL;
}
return TRUE;
}
/*
** Function Name : MFC_Open
**
** Function Description : This function open MFC instace and return instance handle.
*/
DWORD
MFC_Open(
DWORD InitHandle,
DWORD dwAccess,
DWORD dwShareMode
)
{
MFC_HANDLE *handle;
// Mutex Lock
MFC_Mutex_Lock();
// Allocate & Clear MFC Handle
handle = (MFC_HANDLE *) malloc(sizeof(MFC_HANDLE));
if (!handle)
{
RETAILMSG(1, (L"\n[MFC_Open Error] Momory Allocation Fail.\n"));
MFC_Mutex_Release();
return 0;
}
memset(handle, 0, sizeof(MFC_HANDLE));
// Increment OpenHandle Count
InterlockedIncrement(&_openhandle_count);
//
if (_openhandle_count == 1) // Handle for Power Control
{
// Save Specific Handle for Power Control
gMfcHandlePower = handle;
RETAILMSG(1, (L"\n[MFC_Open] Power Manager Handle Opened...\n"));
}
else if (_openhandle_count >= 2) // Handle for User Application
{
// Create MFC Instance
handle->mfc_inst = MFCInst_Create();
if (!handle->mfc_inst)
{
RETAILMSG(1, (L"\n[MFC_Open Error] MFC Instance Creattion Fail.\n"));
InterlockedDecrement(&_openhandle_count);
free(handle);
MFC_Mutex_Release();
return 0;
}
if (_openhandle_count == 2) // First Handle for User Application
{
// MFC HW Init
Mfc_Pwr_On();
Mfc_Clk_On();
if (MFC_HW_Init() == FALSE)
{
Mfc_Clk_Off();
Mfc_Pwr_Off();
MFCInst_Delete(handle->mfc_inst);
InterlockedDecrement(&_openhandle_count);
MFC_Mutex_Release();
return 0;
}
Mfc_Clk_Off();
}
}
// Mutex Release
MFC_Mutex_Release();
return (DWORD) handle;
}
static int s3c_mfc_release(struct inode *inode, struct file *file)
{
MFC_HANDLE *handle = NULL;
MFCINST_DEC_INBUF_TYPE inbuf_type;
int ret;
MFC_Mutex_Lock();
#ifdef CONFIG_MACH_SATURN
lcd_gamma_change(LCD_IDLE); // when finishing playing video, AMOLED gamma change to idle mode
#endif
#if 1 //mfc.error.recovery
// If the last issued command is timed out, reset the MFC for error recovery
// When MFC doesn't respond with DEC_INIT command (timeout)
// It seems that it doesn't operate normally. It doesn't even respond
// to swfi command and locks up the cpu when going to sleep.
// (SWFI instruction waits for the response from the DOMAIN-V)
//
if(mfc_critial_error) {
printk(KERN_ERR "\x1b[1;31m" "@#@#@# Reset mfc for error recovery" "\x1b[0m \n");
MFC_HW_Init();
}
#endif
handle = (MFC_HANDLE *)file->private_data;
if (handle->mfc_inst == NULL) {
ret = -1;
goto err_handle;
};
//printk("Exit MFC Linux Driver\n");
inbuf_type = handle->mfc_inst->inbuf_type;
LOG_MSG(LOG_TRACE, "mfc_release", "delete inst no : %d\n", handle->mfc_inst->inst_no);
#if (MFC_LINE_RING_SHARE == 1)
// In case of (MFC_LINE_RING_SHARE == 1), all the instances were reserved.
// Therefore the instances need to be released.
if (inbuf_type == DEC_INBUF_RING_BUF) {
MfcInstPool_ReleaseAll();
}
#endif
MFCInst_Delete(handle->mfc_inst);
kfree(handle);
#ifdef USE_MFC_DOMAIN_GATING
CLOCK_DISABLE;
#endif /* USE_MFC_DOMAIN_GATING */
_openhandle_count--;
if(_openhandle_count == 0) {
#if defined(CONFIG_S3C6400_KDPMD) || defined(CONFIG_S3C6400_KDPMD_MODULE)
mfc_pmdev.state = DEV_IDLE;
kdpmd_set_event(mfc_pmdev.devid, KDPMD_DRVCLOSE);
kdpmd_wakeup();
kdpmd_wait(mfc_pmdev.devid);
#endif
#ifdef CONFIG_CPU_FREQ
set_dvfs_level(1);
#endif /* CONFIG_CPU_FREQ */
#ifdef USE_MFC_DOMAIN_GATING
DOMAIN_POWER_OFF;
#endif /* USE_MFC_DOMAIN_GATING */
}
ret = 0;
err_handle:
MFC_Mutex_Release();
return ret;
}
