static int __init mt_mspace_probe(struct platform_device *dev)
{
struct resource *regs;
struct exm_info *info;
extmem_printk("[EXT_MEM] probing mt_mspace\n");
info = kzalloc(sizeof(struct exm_info), GFP_KERNEL);
if (!info)
return -ENOMEM;
extmem_init();
info->mem[0].addr = get_max_phys_addr();
info->mem[0].size = extmem_mspace_size;
info->mmap = mtk_mspace_mmap_physical;
if (!info->mem[0].addr) {
dev_err(&dev->dev, "Invalid memory resource\n");
return -ENODEV;
}
info->version = "0.0.2";
info->name= DEV_DRV_NAME;
if (exm_register_device(&dev->dev, info)) {
iounmap(info->mem[0].internal_addr);
printk("[EXT_MEM] exm_register failed\n");
return -ENODEV;
}
platform_set_drvdata(dev, info);
printk("[EXT_MEM] probing mt_mspace success\n");
return 0;
}
void* extmem_malloc_page_align(size_t bytes) {
void *mem = NULL;
extmem_init();
mem = mspace_memalign(extmem_mspace, 1<<PAGE_SHIFT, bytes);
extmem_printk("[EXT_MEM] %s mem:%p, size: 0x%zx\n", __FUNCTION__, mem, bytes);
return mem;
}
void* extmem_malloc(size_t bytes) {
void *mem = NULL;
extmem_init();
mem = mspace_malloc(extmem_mspace, bytes);
extmem_printk("[EXT_MEM] %s mem:%p, size: 0x%zx\n", __FUNCTION__, mem, bytes);
return mem;
}
void init_working_mem(void)
{
#if (defined(DRV_ISP_6219_SERIES)||defined(DRV_ISP_6227_SERIES)||defined(DRV_ISP_6225_SERIES))
intmem_init((kal_uint32 *) g_usbvideo_camera_data.intmem_start_address,
g_usbvideo_camera_data.intmem_size);
extmem_init((kal_uint32 *) g_usbvideo_camera_data.extmem_start_address,
g_usbvideo_camera_data.extmem_size);
#endif
}
void* extmem_malloc_page_align(size_t bytes) {
extmem_init();
extmem_printk("[EXT_MEM] %s size: 0x%x\n", __FUNCTION__, bytes);
return mspace_memalign(extmem_mspace, 1<<PAGE_SHIFT, bytes);
}
void* extmem_malloc(size_t bytes) {
extmem_init();
extmem_printk("[EXT_MEM] %s size: 0x%x\n", __FUNCTION__, bytes);
return mspace_malloc(extmem_mspace, bytes);
}
