From d3e4e610a1a65e77599d6dc2e2bed793da965f41 Mon Sep 17 00:00:00 2001
From: Philipp Zabel
Date: Mon, 12 Nov 2012 16:29:00 +0100
Subject: [PATCH] staging: drm/imx: Add YVU420 support to i.MX IPUv3 base
driver
Signed-off-by: Philipp Zabel
Signed-off-by: Sascha Hauer
Signed-off-by: Greg Kroah-Hartman
---
drivers/staging/imx-drm/ipu-v3/ipu-common.c | 11 ++++++++++-
1 file changed, 10 insertions(+), 1 deletion(-)
diff --git a/drivers/staging/imx-drm/ipu-v3/ipu-common.c b/drivers/staging/imx-drm/ipu-v3/ipu-common.c
index 41fe116..7f3a3ae 100644
--- a/drivers/staging/imx-drm/ipu-v3/ipu-common.c
+++ b/drivers/staging/imx-drm/ipu-v3/ipu-common.c
@@ -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;
--
2.7.4