From: Philipp Zabel <philipp.za...@gmail.com>
Signed-off-by: Philipp Zabel <philipp.za...@gmail.com>
---
drivers/gpu/ipu-v3/ipu-common.c | 34 ++++++++++++++++++++++++++++++++++
1 file changed, 34 insertions(+)
diff --git a/drivers/gpu/ipu-v3/ipu-common.c b/drivers/gpu/ipu-v3/ipu-common.c
index 7a0b377..cd4f584 100644
--- a/drivers/gpu/ipu-v3/ipu-common.c
+++ b/drivers/gpu/ipu-v3/ipu-common.c
@@ -251,6 +251,7 @@ void ipu_cpmem_set_yuv_planar_full(struct ipu_ch_param
__iomem *p,
{
switch (pixel_format) {
case V4L2_PIX_FMT_YUV420:
+ case V4L2_PIX_FMT_YUV422P:
ipu_ch_param_write_field(p, IPU_FIELD_SLUV, (stride / 2) - 1);
ipu_ch_param_write_field(p, IPU_FIELD_UBO, u_offset / 8);
ipu_ch_param_write_field(p, IPU_FIELD_VBO, v_offset / 8);
@@ -284,6 +285,13 @@ void ipu_cpmem_set_yuv_planar(struct ipu_ch_param __iomem
*p, u32 pixel_format,
ipu_cpmem_set_yuv_planar_full(p, pixel_format, stride,
u_offset, v_offset);
break;
+ case V4L2_PIX_FMT_YUV422P:
+ uv_stride = stride / 2;
+ u_offset = stride * height;
+ v_offset = u_offset + (uv_stride * height);
+ ipu_cpmem_set_yuv_planar_full(p, pixel_format, stride,
+ u_offset, v_offset);
+ break;
case V4L2_PIX_FMT_NV12:
u_offset = v_offset = stride * height;
ipu_cpmem_set_yuv_planar_full(p, pixel_format, stride,
@@ -347,6 +355,11 @@ static const struct ipu_rgb def_bgr_16 = {
#define V_OFFSET(pix, x, y) ((pix->width * pix->height) + \
(pix->width * pix->height / 4) + \
(pix->width * (y) / 4) + (x) / 2)
+#define U_OFFSET2(pix, x, y) ((pix->width * pix->height) + \
+ (pix->width * (y) / 2) + (x) / 2)
+#define V_OFFSET2(pix, x, y) ((pix->width * pix->height) + \
+ (pix->width * pix->height / 2) + \
+ (pix->width * (y) / 2) + (x) / 2)
int ipu_cpmem_set_fmt(struct ipu_ch_param __iomem *cpmem, u32 drm_fourcc)
{
@@ -358,6 +371,11 @@ int ipu_cpmem_set_fmt(struct ipu_ch_param __iomem *cpmem,
u32 drm_fourcc)
/* burst size */
ipu_ch_param_write_field(cpmem, IPU_FIELD_NPB, 63);
break;
+ case DRM_FORMAT_YUV422:
+ case DRM_FORMAT_YVU422:
+ ipu_ch_param_write_field(cpmem, IPU_FIELD_PFS, 1);
+ ipu_ch_param_write_field(cpmem, IPU_FIELD_NPB, 63);
+ break;
case DRM_FORMAT_NV12:
ipu_ch_param_write_field(cpmem, IPU_FIELD_PFS, 4);
ipu_ch_param_write_field(cpmem, IPU_FIELD_NPB, 63);
@@ -447,6 +465,8 @@ static int v4l2_pix_fmt_to_drm_fourcc(u32 pixelformat)
return DRM_FORMAT_YUV420;
case V4L2_PIX_FMT_YVU420:
return DRM_FORMAT_YVU420;
+ case V4L2_PIX_FMT_YUV422P:
+ return DRM_FORMAT_YUV422;
case V4L2_PIX_FMT_NV12:
return DRM_FORMAT_NV12;
}
@@ -474,6 +494,8 @@ enum ipu_color_space ipu_drm_fourcc_to_colorspace(u32
drm_fourcc)
case DRM_FORMAT_UYVY:
case DRM_FORMAT_YUV420:
case DRM_FORMAT_YVU420:
+ case DRM_FORMAT_YUV422:
+ case DRM_FORMAT_YVU422:
case DRM_FORMAT_NV12:
return IPUV3_COLORSPACE_YUV;
default:
@@ -511,6 +533,17 @@ int ipu_cpmem_set_image(struct ipu_ch_param __iomem *cpmem,
pix->bytesperline, u_offset, v_offset);
ipu_cpmem_set_buffer(cpmem, 0, image->phys + y_offset);
break;
+ case V4L2_PIX_FMT_YUV422P:
+ y_offset = Y_OFFSET(pix, image->rect.left, image->rect.top);
+ u_offset = U_OFFSET2(pix, image->rect.left,
+ image->rect.top) - y_offset;
+ v_offset = V_OFFSET2(pix, image->rect.left,
+ image->rect.top) - y_offset;
+
+ ipu_cpmem_set_yuv_planar_full(cpmem, pix->pixelformat,
+ pix->bytesperline, u_offset, v_offset);
+ ipu_cpmem_set_buffer(cpmem, 0, image->phys + y_offset);
+ break;
case V4L2_PIX_FMT_NV12:
y_offset = Y_OFFSET(pix, image->rect.left, image->rect.top);
u_offset = U_OFFSET(pix, image->rect.left,
@@ -579,6 +612,7 @@ 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_YUV422P:
case V4L2_PIX_FMT_UYVY:
case V4L2_PIX_FMT_YUYV:
case V4L2_PIX_FMT_NV12:
--
2.0.0.rc2
--
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