Beispiel #1
0
static int rotator_dst_set_addr(struct device *dev,
		struct drm_exynos_ipp_buf_info *buf_info,
		u32 buf_id, enum drm_exynos_ipp_buf_type buf_type)
{
	struct rot_context *rot = dev_get_drvdata(dev);
	dma_addr_t addr[EXYNOS_DRM_PLANAR_MAX];
	u32 val, fmt, hsize, vsize;
	int i;

	/* Set current buf_id */
	rot->cur_buf_id[EXYNOS_DRM_OPS_DST] = buf_id;

	switch (buf_type) {
	case IPP_BUF_ENQUEUE:
		/* Set address configuration */
		for_each_ipp_planar(i)
			addr[i] = buf_info->base[i];

		/* Get format */
		fmt = rotator_reg_get_fmt(rot);
		if (!rotator_check_reg_fmt(fmt)) {
			DRM_ERROR("invalid format.\n");
			return -EINVAL;
		}

		/* Re-set cb planar for NV12 format */
		if ((fmt == ROT_CONTROL_FMT_YCBCR420_2P) &&
		    !addr[EXYNOS_DRM_PLANAR_CB]) {
			/* Get buf size */
			val = rot_read(ROT_DST_BUF_SIZE);

			hsize = ROT_GET_BUF_SIZE_W(val);
			vsize = ROT_GET_BUF_SIZE_H(val);

			/* Set cb planar */
			addr[EXYNOS_DRM_PLANAR_CB] =
				addr[EXYNOS_DRM_PLANAR_Y] + hsize * vsize;
		}

		for_each_ipp_planar(i)
			rot_write(addr[i], ROT_DST_BUF_ADDR(i));
		break;
	case IPP_BUF_DEQUEUE:
		for_each_ipp_planar(i)
			rot_write(0x0, ROT_DST_BUF_ADDR(i));
		break;
	default:
		/* Nothing to do */
		break;
	}

	return 0;
}
Beispiel #2
0
static void rotator_reg_set_dst_buf_addr(struct rot_context *rot,
							dma_addr_t addr, int i)
{
	writel(addr, rot->regs + ROT_DST_BUF_ADDR(i));
}