Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit d3e4e610 authored by Philipp Zabel's avatar Philipp Zabel Committed by Greg Kroah-Hartman
Browse files

staging: drm/imx: Add YVU420 support to i.MX IPUv3 base driver 



Signed-off-by: default avatarPhilipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: default avatarSascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent c096ae13

drivers/staging/imx-drm/ipu-v3/ipu-common.c

+10 −1
Original line number Diff line number Diff line
@@ -234,6 +234,11 @@ void ipu_cpmem_set_yuv_planar_full(struct ipu_ch_param __iomem *p, 
		ipu_ch_param_write_field(p, IPU_FIELD_UBO, u_offset / 8);

		ipu_ch_param_write_field(p, IPU_FIELD_VBO, v_offset / 8);

		break;

	case V4L2_PIX_FMT_YVU420:

		ipu_ch_param_write_field(p, IPU_FIELD_SLUV, (stride / 2) - 1);

		ipu_ch_param_write_field(p, IPU_FIELD_UBO, v_offset / 8);

		ipu_ch_param_write_field(p, IPU_FIELD_VBO, u_offset / 8);

		break;

	}

}

EXPORT_SYMBOL_GPL(ipu_cpmem_set_yuv_planar_full);
@@ -246,10 +251,11 @@ void ipu_cpmem_set_yuv_planar(struct ipu_ch_param __iomem *p, u32 pixel_format, 


	switch (pixel_format) {

	case V4L2_PIX_FMT_YUV420:

	case V4L2_PIX_FMT_YVU420:

		uv_stride = stride / 2;

		u_offset = stride * height;

		v_offset = u_offset + (uv_stride * height / 2);

		ipu_cpmem_set_yuv_planar_full(p, V4L2_PIX_FMT_YUV420, stride,

		ipu_cpmem_set_yuv_planar_full(p, pixel_format, stride,

				u_offset, v_offset);

		break;

	}
@@ -307,6 +313,7 @@ int ipu_cpmem_set_fmt(struct ipu_ch_param __iomem *cpmem, u32 pixelformat) 
{

	switch (pixelformat) {

	case V4L2_PIX_FMT_YUV420:

	case V4L2_PIX_FMT_YVU420:

		/* pix format */

		ipu_ch_param_write_field(cpmem, IPU_FIELD_PFS, 2);

		/* burst size */
@@ -369,6 +376,7 @@ int ipu_cpmem_set_image(struct ipu_ch_param __iomem *cpmem, 


	switch (pix->pixelformat) {

	case V4L2_PIX_FMT_YUV420:

	case V4L2_PIX_FMT_YVU420:

		y_offset = Y_OFFSET(pix, image->rect.left, image->rect.top);

		u_offset = U_OFFSET(pix, image->rect.left,

				image->rect.top) - y_offset;
@@ -414,6 +422,7 @@ enum ipu_color_space ipu_pixelformat_to_colorspace(u32 pixelformat) 
{

	switch (pixelformat) {

	case V4L2_PIX_FMT_YUV420:

	case V4L2_PIX_FMT_YVU420:

	case V4L2_PIX_FMT_UYVY:

	case V4L2_PIX_FMT_YUYV:

		return IPUV3_COLORSPACE_YUV;