static int __init Fb_map_video_memory(struct fb_info *info)
{
#ifndef CONFIG_FB_SUNXI_RESERVED_MEM
unsigned map_size = PAGE_ALIGN(info->fix.smem_len);
struct page *page;
page = alloc_pages(GFP_KERNEL, get_order(map_size));
if (page != NULL) {
info->screen_base = page_address(page);
info->fix.smem_start = virt_to_phys(info->screen_base);
memset(info->screen_base, 0, info->fix.smem_len);
__inf("Fb_map_video_memory, pa=0x%08lx size:0x%x\n",
info->fix.smem_start, info->fix.smem_len);
return 0;
} else {
__wrn("alloc_pages fail!\n");
return -ENOMEM;
}
#else
info->screen_base = (char __iomem *)disp_malloc(info->fix.smem_len);
info->fix.smem_start = (unsigned long)__pa(info->screen_base);
memset_io(info->screen_base, 0, info->fix.smem_len);
__inf("Fb_map_video_memory, pa=0x%08lx size:0x%x\n",
info->fix.smem_start, info->fix.smem_len);
return 0;
#endif
}
static int Fb_map_video_memory(struct fb_info *info)
{
#ifndef FB_RESERVED_MEM
unsigned map_size = PAGE_ALIGN(info->fix.smem_len);
struct page *page;
page = alloc_pages(GFP_KERNEL, get_order(map_size));
if(page != NULL) {
info->screen_base = page_address(page);
info->fix.smem_start = virt_to_phys(info->screen_base);
memset(info->screen_base,0x0,info->fix.smem_len);
__inf("Fb_map_video_memory(alloc pages), pa=0x%08lx size:0x%x\n",info->fix.smem_start, info->fix.smem_len);
return 0;
} else {
__wrn("alloc_pages fail! size:0x%x\n", info->fix.smem_len);
return -ENOMEM;
}
#else
info->screen_base = (char __iomem *)disp_malloc(info->fix.smem_len, (__u32 *)(&info->fix.smem_start));
if(info->screen_base) {
__inf("Fb_map_video_memory(reserve), pa=0x%x size:0x%x\n",(unsigned int)info->fix.smem_start, (unsigned int)info->fix.smem_len);
memset(info->screen_base,0x0,info->fix.smem_len);
g_fb_addr.fb_paddr = (unsigned int)info->fix.smem_start;
g_fb_addr.fb_size=info->fix.smem_len;
return 0;
} else {
__wrn("disp_malloc fail!\n");
return -ENOMEM;
}
return 0;
#endif
}
int disp_mem_request(int sel,__u32 size)
{
#ifndef FB_RESERVED_MEM
unsigned map_size = 0;
struct page *page;
if(g_disp_mm[sel].info_base != 0)
return -EINVAL;
g_disp_mm[sel].mem_len = size;
map_size = PAGE_ALIGN(g_disp_mm[sel].mem_len);
page = alloc_pages(GFP_KERNEL,get_order(map_size));
if(page != NULL)
{
g_disp_mm[sel].info_base = page_address(page);
if(g_disp_mm[sel].info_base == 0)
{
free_pages((unsigned long)(page),get_order(map_size));
__wrn("page_address fail!\n");
return -ENOMEM;
}
g_disp_mm[sel].mem_start = virt_to_phys(g_disp_mm[sel].info_base);
memset(g_disp_mm[sel].info_base,0,size);
__inf("pa=0x%08lx va=0x%p size:0x%x\n",g_disp_mm[sel].mem_start, g_disp_mm[sel].info_base, size);
return 0;
}
else
{
__wrn("alloc_pages fail!\n");
return -ENOMEM;
}
#else
__u32 ret = 0;
ret = (__u32)disp_malloc(size);
if(ret != 0)
{
g_disp_mm[sel].info_base = (void*)ret;
g_disp_mm[sel].mem_start = virt_to_phys(g_disp_mm[sel].info_base);
memset(g_disp_mm[sel].info_base,0,size);
__inf("pa=0x%08lx va=0x%p size:0x%x\n",g_disp_mm[sel].mem_start, g_disp_mm[sel].info_base, size);
return 0;
}
else
{
__wrn("disp_malloc fail!\n");
return -ENOMEM;
}
#endif
}
