static ALLOC_MEM_T * GetCodecVirAddr(UINT8 inst_no, CMM_ALLOC_PRAM_T *in_param)
{
DWORD p_startAddr;
ALLOC_MEM_T *p_allocMem;
printD("GetCodecVirAddr \n");
p_startAddr = GetMemArea((UINT32)in_param->size, inst_no);
if(!p_startAddr)
{
RETAILMSG(1, (L"[CMM:ERR] There is no more memory\n\r"));
return NULL;
}
p_allocMem = (ALLOC_MEM_T *)malloc(sizeof(ALLOC_MEM_T));
memset(p_allocMem, 0x00, sizeof(ALLOC_MEM_T));
// We need to keep only the cached addresses here.
// If the user requests uncached address, we can do that by specifying
// PAGE_NOCACHE to VirtualCopy
//
p_allocMem->cached_p_addr = p_startAddr;
p_allocMem->v_addr = CachedVirAddr + (p_allocMem->cached_p_addr - CODEC_MEM_START);
printD("v_addr : 0x%x p_addr : 0x%x\n", p_allocMem->v_addr, p_allocMem->cached_p_addr);
p_allocMem->size = (UINT32)in_param->size;
p_allocMem->inst_no = inst_no;
p_allocMem->cacheFlag = in_param->cacheFlag;
InsertNodeToAllocList(p_allocMem, inst_no);
return(p_allocMem);
}
static ALLOC_MEM_T * GetCodecVirAddr(int inst_no, CODEC_MEM_ALLOC_ARG *in_param)
{
unsigned int p_startAddr;
ALLOC_MEM_T *p_allocMem;
// if user request cachable area, allocate from reserved area
// if user request uncachable area, allocate dynamically
p_startAddr = GetMemArea((int)in_param->buffSize, inst_no, in_param->cacheFlag);
if(!p_startAddr){
LOG_MSG(LOG_TRACE, "GetCodecVirAddr", "There is no more memory\n\r");
in_param->out_addr = -1;
return NULL;
}
p_allocMem = (ALLOC_MEM_T *)kmalloc(sizeof(ALLOC_MEM_T), GFP_KERNEL);
memset(p_allocMem, 0x00, sizeof(ALLOC_MEM_T));
if(in_param->cacheFlag) {
p_allocMem->cached_p_addr = p_startAddr;
p_allocMem->v_addr = CachedVirAddr + (p_allocMem->cached_p_addr - CODEC_MEM_START);
p_allocMem->u_addr = (unsigned char *)(in_param->cached_mapped_addr + (p_allocMem->cached_p_addr - CODEC_MEM_START));
if (p_allocMem->v_addr == NULL) {
LOG_MSG(LOG_ERROR, "GetCodecVirAddr", "Mapping Failed [PA:0x%08x]\n\r", p_allocMem->cached_p_addr);
return NULL;
}
}
else {
p_allocMem->uncached_p_addr = p_startAddr;
p_allocMem->v_addr = NonCachedVirAddr + (p_allocMem->uncached_p_addr - CODEC_MEM_START - CODEC_CACHED_MEM_SIZE);
p_allocMem->u_addr = (unsigned char *)(in_param->non_cached_mapped_addr + (p_allocMem->uncached_p_addr - CODEC_MEM_START - CODEC_CACHED_MEM_SIZE));
if (p_allocMem->v_addr == NULL)
{
LOG_MSG(LOG_ERROR, "GetCodecVirAddr", "Mapping Failed [PA:0x%08x]\n\r", p_allocMem->uncached_p_addr);
return NULL;
}
}
in_param->out_addr = (unsigned int)p_allocMem->u_addr;
LOG_MSG(LOG_TRACE, "GetCodecVirAddr", "u_addr : 0x%x v_addr : 0x%x cached_p_addr : 0x%x, uncached_p_addr : 0x%x\n", \
p_allocMem->u_addr, p_allocMem->v_addr, p_allocMem->cached_p_addr, p_allocMem->uncached_p_addr);
p_allocMem->size = (int)in_param->buffSize;
p_allocMem->inst_no = inst_no;
p_allocMem->cacheFlag = in_param->cacheFlag;
InsertNodeToAllocList(p_allocMem, inst_no);
return(p_allocMem);
}