int os_mem_alloc(struct vfe_mm *mem_man)
{
void *vaddr = NULL;
vaddr = sunxi_buf_alloc(mem_man->size, (u32 *)&mem_man->phy_addr);
if (vaddr) {
mem_man->vir_addr = vaddr;
mem_man->dma_addr = mem_man->phy_addr + HW_DMA_OFFSET- CPU_DRAM_PADDR_ORG;
} else {
vfe_err("os_mem_alloc error, size = %d\n", mem_man->size);
return -ENOMEM;
}
return 0;
}
void *g2d_malloc(__u32 bytes_num, __u32 *phy_addr)
{
#ifdef __FPGA_DEBUG_G2D__
__u32 actual_bytes;
struct g2d_alloc_struct *ptr, *newptr;
if(!bytes_num)return 0;
actual_bytes = G2D_BYTE_ALIGN(bytes_num);
ptr = &boot_heap_head;
while(ptr && ptr->next)
{
if(ptr->next->address >= (ptr->address + ptr->size +(8*1024)+ actual_bytes))
{
break;
}
ptr = ptr->next;
}
if (!ptr->next)
{
ERR(" it has reached the boot_heap_tail of the heap now\n");
return 0; /* it has reached the boot_heap_tail of the heap now */
}
newptr = (struct g2d_alloc_struct *)(ptr->address + ptr->size);
/* create a new node for the memory block */
if (!newptr)
{
ERR(" create the node failed, can't manage the block\n");
return 0; /* create the node failed, can't manage the block */
}
/* set the memory block chain, insert the node to the chain */
newptr->address = ptr->address + ptr->size + 4*1024;
newptr->size = actual_bytes;
newptr->u_size = bytes_num;
newptr->next = ptr->next;
ptr->next = newptr;
return (void *)newptr->address;
#else
__u32 actual_bytes;
__u32 address;
if(0!= bytes_num)
{
void *vptr;
actual_bytes = G2D_BYTE_ALIGN(bytes_num);
vptr = sunxi_buf_alloc(actual_bytes, &address);
if (!vptr) {
INFO("%s %d: alloc fail,size=0x%x\n", __func__, __LINE__, bytes_num);
return 0;
}
*phy_addr = address;
return vptr;
}
return 0;
#endif
}