C++ (Cpp) vb2_ion_dma_address Examples

Example #1

File: nxp-video.c Project: iTOP4418/kernel-3.4.39

static unsigned long
plane_addr(struct vb2_buffer *vb, u32 plane_no)
{
    void *cookie = vb2_plane_cookie(vb, plane_no);
    dma_addr_t addr = 0;
    WARN_ON(vb2_ion_dma_address(cookie, &addr) != 0);
    return addr;
}

Example #2

File: jpeg_mem.c Project: Kr0n0/android_kernel_hardkernel_odroidxu3

static unsigned long jpeg_vb2_plane_addr(struct vb2_buffer *vb, u32 plane_no)
{
	void *cookie = vb2_plane_cookie(vb, plane_no);
	dma_addr_t dva = 0;

	WARN_ON(vb2_ion_dma_address(cookie, &dva) != 0);

	return dva;
}

Example #3

File: fimc-is-resourcemgr.c Project: MikeForeskin/Vindicator-S6

static int fimc_is_resourcemgr_allocmem(struct fimc_is_resourcemgr *resourcemgr)
{
	int ret = 0;
	void *fw_cookie;
	size_t fw_size = FIMC_IS_A5_MEM_SIZE;
#ifdef FW_SUSPEND_RESUME
	fw_size += FIMC_IS_BACKUP_SIZE;
#endif
#ifdef ENABLE_ODC
	fw_size += SIZE_ODC_INTERNAL_BUF * NUM_ODC_INTERNAL_BUF;
#endif
#ifdef ENABLE_VDIS
	fw_size += SIZE_DIS_INTERNAL_BUF * NUM_DIS_INTERNAL_BUF;
#endif
#ifdef ENABLE_DNR
	fw_size += SIZE_DNR_INTERNAL_BUF * NUM_DNR_INTERNAL_BUF;
#endif
	fw_size = PAGE_ALIGN(fw_size);

	dbg_core("Allocating memory for FIMC-IS firmware.\n");

	fw_cookie = vb2_ion_private_alloc(resourcemgr->mem.alloc_ctx, fw_size, 1, 0);
	if (IS_ERR(fw_cookie)) {
		err("Allocating bitprocessor buffer failed");
		fw_cookie = NULL;
		ret = -ENOMEM;
		goto p_err;
	}

	ret = vb2_ion_dma_address(fw_cookie, &resourcemgr->minfo.dvaddr);
	if ((ret < 0) || (resourcemgr->minfo.dvaddr  & FIMC_IS_FW_BASE_MASK)) {
		err("The base memory is not aligned to 64MB.");
		vb2_ion_private_free(fw_cookie);
		resourcemgr->minfo.dvaddr = 0;
		fw_cookie = NULL;
		ret = -EIO;
		goto p_err;
	}

#ifdef PRINT_BUFADDR
	info("[RSC] daddr = %pa, size = %08X\n", &resourcemgr->minfo.dvaddr, FIMC_IS_A5_MEM_SIZE);
#endif

	resourcemgr->minfo.kvaddr = (ulong)vb2_ion_private_vaddr(fw_cookie);
	if (IS_ERR((void *)resourcemgr->minfo.kvaddr)) {
		err("Bitprocessor memory remap failed");
		vb2_ion_private_free(fw_cookie);
		resourcemgr->minfo.kvaddr = 0;
		fw_cookie = NULL;
		ret = -EIO;
		goto p_err;
	}

	vb2_ion_sync_for_device(fw_cookie, 0, fw_size, DMA_BIDIRECTIONAL);

p_err:
	info("[RSC] Device virtual for internal: %08lx\n", resourcemgr->minfo.kvaddr);
	resourcemgr->minfo.fw_cookie = fw_cookie;

	return ret;
}