/*----------------------------------------------------------------------------
*Function: CMM_Close
*Parameters: OpenHandle :
*Return Value: True/False
*Implementation Notes: This function closes the device context identified by
OpenHandle
-----------------------------------------------------------------------------*/
BOOL
CMM_Close(
DWORD OpenHandle
)
{
CODEC_MEM_CTX *CodecMem;
DWORD ret;
ALLOC_MEM_T *node, *tmp_node;
int count=0;
ret = LockCMMMutex();
if(!ret){
RETAILMSG(1, (TEXT("[CMM_Close] CMM Mutex Lock Fail\r\n")));
return FALSE;
}
CodecMem = (CODEC_MEM_CTX *)OpenHandle;
printD("[%d][CMM Close] \n", CodecMem->inst_no);
if(!CodecMem){
RETAILMSG(1, (TEXT("[CMM_Close] CMM Invalid Input Handle\r\n")));
UnlockCMMMutex();
return FALSE;
}
printD("[CMM_Close] CodecMem->inst_no : %d CodecMem->callerProcess : 0x%x\n", CodecMem->inst_no, CodecMem->callerProcess);
__try
{
// release u_addr and v_addr accoring to inst_no
for(node = AllocMemHead; node != AllocMemTail; node = node->next){
if(node->inst_no == CodecMem->inst_no){
tmp_node = node;
node = node->prev;
ReleaseAllocMem(tmp_node, CodecMem);
}
}
}
__except ( EXCEPTION_EXECUTE_HANDLER )
{
RETAILMSG( 1, ( _T("CMM_Close:Exception in releasing memory\n")) );
return FALSE;
}
printD("[%d][CMM Close] MergeFragmentation\n", CodecMem->inst_no);
MergeFragmentation(CodecMem->inst_no);
ReturnInstanceNo(CodecMem->inst_no);
free(CodecMem);
UnlockCMMMutex();
return TRUE;
}
static int s3c_cmm_release(struct inode *inode, struct file *file)
{
DWORD ret;
CODEC_MEM_CTX *CodecMem;
ALLOC_MEM_T *node, *tmp_node;
ret = LockCMMMutex();
if(!ret){
LOG_MSG(LOG_ERROR, "s3c_cmm_release", "DD::CMM Mutex Lock Fail\r\n");
return -1;
}
CodecMem = (CODEC_MEM_CTX *)file->private_data;
LOG_MSG(LOG_TRACE, "s3c_cmm_release", "[%d][CMM Close] \n", CodecMem->inst_no);
if(!CodecMem){
LOG_MSG(LOG_ERROR, "s3c_cmm_close", "CMM Invalid Input Handle\r\n");
UnlockCMMMutex();
return -1;
}
LOG_MSG(LOG_TRACE, "s3c_cmm_close", "CodecMem->inst_no : %d\n", CodecMem->inst_no);
// release u_addr and v_addr accoring to inst_no
for(node = AllocMemHead; node != AllocMemTail; node = node->next){
if(node->inst_no == CodecMem->inst_no){
tmp_node = node;
node = node->prev;
ReleaseAllocMem(tmp_node, CodecMem);
}
}
LOG_MSG(LOG_TRACE, "s3c_cmm_release", "[%d]instance MergeFragmentation\n", CodecMem->inst_no);
MergeFragmentation(CodecMem->inst_no);
ReturnInstanceNo(CodecMem->inst_no);
kfree(CodecMem);
UnlockCMMMutex();
return 0;
}
static int s3c_cmm_ioctl(struct inode *inode, struct file *file, unsigned
int cmd, unsigned long arg)
{
int ret;
CODEC_MEM_CTX * CodecMem;
CODEC_MEM_ALLOC_ARG codec_mem_alloc_arg;
CODEC_CACHE_FLUSH_ARG codec_cache_flush_arg;
CODEC_GET_PHY_ADDR_ARG codec_get_phy_addr_arg;
int result = 0;
void * start;
void * end;
ALLOC_MEM_T * node;
CODEC_MEM_FREE_ARG codec_mem_free_arg;
CodecMem = (CODEC_MEM_CTX *)file->private_data;
if (!CodecMem) {
LOG_MSG(LOG_ERROR, "s3c_cmm_ioctl", "CMM Invalid Input Handle\n");
return -1;
}
ret = LockCMMMutex();
if(!ret){
LOG_MSG(LOG_ERROR, "s3c_cmm_ioctl", "DD::CMM Mutex Lock Fail\r\n");
return -1;
}
switch (cmd)
{
case IOCTL_CODEC_MEM_ALLOC:
LOG_MSG(LOG_TRACE, "s3c_cmm_ioctl", "IOCTL_CODEC_MEM_GET\n");
copy_from_user(&codec_mem_alloc_arg, (CODEC_MEM_ALLOC_ARG *)arg, sizeof(CODEC_MEM_ALLOC_ARG));
node = GetCodecVirAddr(CodecMem->inst_no, &codec_mem_alloc_arg);
if(node == NULL){
LOG_MSG(LOG_WARNING, "s3c_cmm_ioctl", "GetCodecVirAddr(%d)\r\n", CodecMem->inst_no);
result = -1;
break;
}
ret = copy_to_user((void *)arg, (void *)&codec_mem_alloc_arg, sizeof(CODEC_MEM_ALLOC_ARG));
break;
case IOCTL_CODEC_MEM_FREE:
LOG_MSG(LOG_TRACE, "s3c_cmm_ioctl", "IOCTL_CODEC_MEM_FREE\n");
copy_from_user(&codec_mem_free_arg, (CODEC_MEM_FREE_ARG *)arg, sizeof(CODEC_MEM_FREE_ARG));
for(node = AllocMemHead; node != AllocMemTail; node = node->next) {
if(node->u_addr == (unsigned char *)codec_mem_free_arg.u_addr)
break;
}
if(node == AllocMemTail){
LOG_MSG(LOG_ERROR, "s3c_cmm_ioctl", "invalid virtual address(0x%x)\r\n", codec_mem_free_arg.u_addr);
result = -1;
break;
}
ReleaseAllocMem(node, CodecMem);
break;
case IOCTL_CODEC_CACHE_FLUSH:
LOG_MSG(LOG_TRACE, "s3c_cmm_ioctl", "IOCTL_CODEC_CACHE_FLUSH\n");
copy_from_user(&codec_cache_flush_arg, (CODEC_CACHE_FLUSH_ARG *)arg, sizeof(CODEC_CACHE_FLUSH_ARG));
for(node = AllocMemHead; node != AllocMemTail; node = node->next) {
if(node->u_addr == (unsigned char *)codec_cache_flush_arg.u_addr)
break;
}
if(node == AllocMemTail){
LOG_MSG(LOG_ERROR, "s3c_cmm_ioctl", "invalid virtual address(0x%x)\r\n", codec_cache_flush_arg.u_addr);
result = -1;
break;
}
start = node->v_addr;
end = start + codec_cache_flush_arg.size;
dmac_clean_range(start, end);
outer_clean_range(__pa(start), __pa(end));
break;
case IOCTL_CODEC_GET_PHY_ADDR:
copy_from_user(&codec_get_phy_addr_arg, (CODEC_GET_PHY_ADDR_ARG *)arg, sizeof(CODEC_GET_PHY_ADDR_ARG));
for(node = AllocMemHead; node != AllocMemTail; node = node->next) {
if(node->u_addr == (unsigned char *)codec_get_phy_addr_arg.u_addr)
break;
}
if(node == AllocMemTail){
LOG_MSG(LOG_ERROR, "s3c_cmm_ioctl", "invalid virtual address(0x%x)\r\n", codec_get_phy_addr_arg.u_addr);
result = -1;
break;
}
if(node->cacheFlag)
codec_get_phy_addr_arg.p_addr = node->cached_p_addr;
else
codec_get_phy_addr_arg.p_addr = node->uncached_p_addr;
copy_to_user((void *)arg, (void *)&codec_get_phy_addr_arg, sizeof(CODEC_GET_PHY_ADDR_ARG));
break;
case IOCTL_CODEC_MERGE_FRAGMENTATION:
MergeFragmentation(CodecMem->inst_no);
break;
case IOCTL_CODEC_CACHE_INVALIDATE:
LOG_MSG(LOG_TRACE, "s3c_cmm_ioctl", "IOCTL_CODEC_CACHE_INVALIDATE\n");
copy_from_user(&codec_cache_flush_arg, (CODEC_CACHE_FLUSH_ARG *)arg, sizeof(CODEC_CACHE_FLUSH_ARG));
for(node = AllocMemHead; node != AllocMemTail; node = node->next) {
if(node->u_addr == (unsigned char *)codec_cache_flush_arg.u_addr)
break;
}
if(node == AllocMemTail){
LOG_MSG(LOG_ERROR, "s3c_cmm_ioctl", "invalid virtual address(0x%x)\r\n", codec_cache_flush_arg.u_addr);
result = -1;
break;
}
start = node->v_addr;
end = start + codec_cache_flush_arg.size;
dmac_flush_range(start, end);
break;
case IOCTL_CODEC_CACHE_CLEAN:
LOG_MSG(LOG_TRACE, "s3c_cmm_ioctl", "IOCTL_CODEC_CACHE_CLEAN\n");
copy_from_user(&codec_cache_flush_arg, (CODEC_CACHE_FLUSH_ARG *)arg, sizeof(CODEC_CACHE_FLUSH_ARG));
for(node = AllocMemHead; node != AllocMemTail; node = node->next) {
if(node->u_addr == (unsigned char *)codec_cache_flush_arg.u_addr)
break;
}
if(node == AllocMemTail){
LOG_MSG(LOG_ERROR, "s3c_cmm_ioctl", "invalid virtual address(0x%x)\r\n", codec_cache_flush_arg.u_addr);
result = -1;
break;
}
start = node->v_addr;
end = start + codec_cache_flush_arg.size;
dmac_clean_range(start, end);
break;
case IOCTL_CODEC_CACHE_CLEAN_INVALIDATE:
LOG_MSG(LOG_TRACE, "s3c_cmm_ioctl", "IOCTL_CODEC_CACHE_INVALIDATE\n");
copy_from_user(&codec_cache_flush_arg, (CODEC_CACHE_FLUSH_ARG *)arg, sizeof(CODEC_CACHE_FLUSH_ARG));
for(node = AllocMemHead; node != AllocMemTail; node = node->next) {
if(node->u_addr == (unsigned char *)codec_cache_flush_arg.u_addr)
break;
}
if(node == AllocMemTail){
LOG_MSG(LOG_ERROR, "s3c_cmm_ioctl", "invalid virtual address(0x%x)\r\n", codec_cache_flush_arg.u_addr);
result = -1;
break;
}
start = node->v_addr;
end = start + codec_cache_flush_arg.size;
dmac_clean_range(start, end);
dmac_flush_range(start, end);
break;
default :
LOG_MSG(LOG_ERROR, "s3c_cmm_ioctl", "DD::CMM Invalid ioctl : 0x%X\r\n", cmd);
}
UnlockCMMMutex();
if(result == 0)
return TRUE;
else
return FALSE;
}
