Esempi in C++ (Cpp) per omap_ion_tiler_alloc

Esempio n. 1

File: omap_ion.c Progetto: supersunho/WIDzard_Kernel_E250_KK

long omap_ion_ioctl(struct ion_client *client, unsigned int cmd,
		    unsigned long arg)
{
	switch (cmd) {
	case OMAP_ION_TILER_ALLOC:
	{
		struct omap_ion_tiler_alloc_data data;
		int ret;

		if (!tiler_heap) {
			pr_err("%s: Tiler heap requested but no tiler "
			       "heap exists on this platform\n", __func__);
			return -EINVAL;
		}
		if (copy_from_user(&data, (void __user *)arg, sizeof(data)))
			return -EFAULT;
		ret = omap_ion_tiler_alloc(client, &data);
		if (ret)
			return ret;
		if (copy_to_user((void __user *)arg, &data,
				 sizeof(data)))
			return -EFAULT;
		break;
	}
	default:
		pr_err("%s: Unknown custom ioctl\n", __func__);
		return -ENOTTY;
	}
	return 0;
}

Esempio n. 2

static uint32_t tiler_alloc( int size ) 
{
	int res;
	
	struct omap_ion_tiler_alloc_data alloc_data = {
		.w = size,
		.h = 1,
		.fmt = TILER_PIXEL_FMT_PAGE,
		.flags = 0,
	};

	struct alloc_t *alloc = get_alloc();
	if( !alloc ) {
		return 0;
	}
	
	res = omap_ion_tiler_alloc(imt_ion_client, &alloc_data);

	if (res < 0) {
		ERR("imt: could not alloc %d\n", res);
		return 0;
	} else {
		ion_phys_addr_t phys;
		size_t len;
		ion_phys(imt_ion_client, alloc_data.handle, &phys, &len);
		DBG2("imt: ion: siz %8d  %08X  phys %08lX  len %8d", size, (unsigned int)alloc_data.handle, phys, (int)len );
		alloc->phys   = phys;
		alloc->handle = alloc_data.handle;
		return phys;
	}
}

static void tiler_free( uint32_t data )
{
	struct ion_handle *handle = put_alloc( (ion_phys_addr_t)data );
	if( handle ) {
		ion_free(imt_ion_client, handle);
	}
}

static void free_all( void ) 
{
	int i;
	for( i = 0; i < MAX_ALLOC; i++ ) {
		if( alloc_list[i].handle ) {
			DBG("imt: cleanup[%d] %08X  phys %08lX", i, (unsigned int)alloc_list[i].handle, alloc_list[i].phys);
			ion_free(imt_ion_client, alloc_list[i].handle);
			alloc_list[i].handle = NULL;
			alloc_list[i].phys   = 0;
		}
	}
}