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gpu: ipu-v3: Add more planar formats support

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Adds support for the following planar and partial-planar formats:

YUV422
NV12
NV16

Signed-off-by: Dmitry Eremin-Solenikov <dmitry_eremin@mentor.com>
Signed-off-by: Mohsin Kazmi <mohsin_kazmi@mentor.com>
Signed-off-by: Steve Longerbeam <steve_longerbeam@mentor.com>

Unified base offset and Y plane offset into a single variable,
moved all ipu_cpmem_set_buffer calls to a single location.
Removed NV21 and NV61 for now. The IDMAC doesn't understand U/V
order for chroma interleaved formats, so we'd need to work around
this by implenting U/V switching via the CSC unit.

Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
This commit is contained in:
Steve Longerbeam 2014-06-25 18:05:53 -07:00 committed by Philipp Zabel
parent 2094b603ae
commit 9a34cef013
2 changed files with 120 additions and 18 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

21
drivers/gpu/ipu-v3/ipu-common.c
View File

@ -74,6 +74,12 @@ 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:
case DRM_FORMAT_NV21:
case DRM_FORMAT_NV16:
case DRM_FORMAT_NV61:
return IPUV3_COLORSPACE_YUV;
default:
return IPUV3_COLORSPACE_UNKNOWN;
@ -86,8 +92,13 @@ 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:
case V4L2_PIX_FMT_NV21:
case V4L2_PIX_FMT_NV16:
case V4L2_PIX_FMT_NV61:
return IPUV3_COLORSPACE_YUV;
case V4L2_PIX_FMT_RGB32:
case V4L2_PIX_FMT_BGR32:
@ -106,6 +117,11 @@ bool ipu_pixelformat_is_planar(u32 pixelformat)
switch (pixelformat) {
case V4L2_PIX_FMT_YUV420:
case V4L2_PIX_FMT_YVU420:
case V4L2_PIX_FMT_YUV422P:
case V4L2_PIX_FMT_NV12:
case V4L2_PIX_FMT_NV21:
case V4L2_PIX_FMT_NV16:
case V4L2_PIX_FMT_NV61:
return true;
}
@ -131,6 +147,11 @@ int ipu_stride_to_bytes(u32 pixel_stride, u32 pixelformat)
switch (pixelformat) {
case V4L2_PIX_FMT_YUV420:
case V4L2_PIX_FMT_YVU420:
case V4L2_PIX_FMT_YUV422P:
case V4L2_PIX_FMT_NV12:
case V4L2_PIX_FMT_NV21:
case V4L2_PIX_FMT_NV16:
case V4L2_PIX_FMT_NV61:
/*
* for the planar YUV formats, the stride passed to
* cpmem must be the stride in bytes of the Y plane.

117
drivers/gpu/ipu-v3/ipu-cpmem.c
View File

@ -193,8 +193,14 @@ static int v4l2_pix_fmt_to_drm_fourcc(u32 pixelformat)
return DRM_FORMAT_YUYV;
case V4L2_PIX_FMT_YUV420:
return DRM_FORMAT_YUV420;
case V4L2_PIX_FMT_YUV422P:
return DRM_FORMAT_YUV422;
case V4L2_PIX_FMT_YVU420:
return DRM_FORMAT_YVU420;
case V4L2_PIX_FMT_NV12:
return DRM_FORMAT_NV12;
case V4L2_PIX_FMT_NV16:
return DRM_FORMAT_NV16;
}
return -EINVAL;
@ -394,6 +400,7 @@ void ipu_cpmem_set_yuv_planar_full(struct ipuv3_channel *ch,
{
switch (pixel_format) {
case V4L2_PIX_FMT_YUV420:
case V4L2_PIX_FMT_YUV422P:
ipu_ch_param_write_field(ch, IPU_FIELD_SLUV, (stride / 2) - 1);
ipu_ch_param_write_field(ch, IPU_FIELD_UBO, u_offset / 8);
ipu_ch_param_write_field(ch, IPU_FIELD_VBO, v_offset / 8);
@ -403,6 +410,12 @@ void ipu_cpmem_set_yuv_planar_full(struct ipuv3_channel *ch,
ipu_ch_param_write_field(ch, IPU_FIELD_UBO, v_offset / 8);
ipu_ch_param_write_field(ch, IPU_FIELD_VBO, u_offset / 8);
break;
case V4L2_PIX_FMT_NV12:
case V4L2_PIX_FMT_NV16:
ipu_ch_param_write_field(ch, IPU_FIELD_SLUV, stride - 1);
ipu_ch_param_write_field(ch, IPU_FIELD_UBO, u_offset / 8);
ipu_ch_param_write_field(ch, IPU_FIELD_VBO, u_offset / 8);
break;
}
}
EXPORT_SYMBOL_GPL(ipu_cpmem_set_yuv_planar_full);
@ -422,6 +435,19 @@ void ipu_cpmem_set_yuv_planar(struct ipuv3_channel *ch,
ipu_cpmem_set_yuv_planar_full(ch, 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(ch, pixel_format, stride,
u_offset, v_offset);
break;
case V4L2_PIX_FMT_NV12:
case V4L2_PIX_FMT_NV16:
u_offset = stride * height;
ipu_cpmem_set_yuv_planar_full(ch, pixel_format, stride,
u_offset, 0);
break;
}
}
EXPORT_SYMBOL_GPL(ipu_cpmem_set_yuv_planar);
@ -475,11 +501,20 @@ static const struct ipu_rgb def_bgr_16 = {
};
#define Y_OFFSET(pix, x, y) ((x) + pix->width * (y))
#define U_OFFSET(pix, x, y) ((pix->width * pix->height) + \
(pix->width * (y) / 4) + (x) / 2)
#define V_OFFSET(pix, x, y) ((pix->width * pix->height) + \
(pix->width * pix->height / 4) + \
(pix->width * (y) / 4) + (x) / 2)
#define U_OFFSET(pix, x, y) ((pix->width * pix->height) + \
(pix->width * (y) / 4) + (x) / 2)
#define V_OFFSET(pix, x, y) ((pix->width * pix->height) + \
(pix->width * pix->height / 4) + \
(pix->width * (y) / 4) + (x) / 2)
#define U2_OFFSET(pix, x, y) ((pix->width * pix->height) + \
(pix->width * (y) / 2) + (x) / 2)
#define V2_OFFSET(pix, x, y) ((pix->width * pix->height) + \
(pix->width * pix->height / 2) + \
(pix->width * (y) / 2) + (x) / 2)
#define UV_OFFSET(pix, x, y) ((pix->width * pix->height) + \
(pix->width * (y) / 2) + (x))
#define UV2_OFFSET(pix, x, y) ((pix->width * pix->height) + \
(pix->width * y) + (x))
int ipu_cpmem_set_fmt(struct ipuv3_channel *ch, u32 drm_fourcc)
{
@ -491,6 +526,25 @@ int ipu_cpmem_set_fmt(struct ipuv3_channel *ch, u32 drm_fourcc)
/* burst size */
ipu_ch_param_write_field(ch, IPU_FIELD_NPB, 31);
break;
case DRM_FORMAT_YUV422:
case DRM_FORMAT_YVU422:
/* pix format */
ipu_ch_param_write_field(ch, IPU_FIELD_PFS, 1);
/* burst size */
ipu_ch_param_write_field(ch, IPU_FIELD_NPB, 31);
break;
case DRM_FORMAT_NV12:
/* pix format */
ipu_ch_param_write_field(ch, IPU_FIELD_PFS, 4);
/* burst size */
ipu_ch_param_write_field(ch, IPU_FIELD_NPB, 31);
break;
case DRM_FORMAT_NV16:
/* pix format */
ipu_ch_param_write_field(ch, IPU_FIELD_PFS, 3);
/* burst size */
ipu_ch_param_write_field(ch, IPU_FIELD_NPB, 31);
break;
case DRM_FORMAT_UYVY:
/* bits/pixel */
ipu_ch_param_write_field(ch, IPU_FIELD_BPP, 3);
@ -538,7 +592,7 @@ EXPORT_SYMBOL_GPL(ipu_cpmem_set_fmt);
int ipu_cpmem_set_image(struct ipuv3_channel *ch, struct ipu_image *image)
{
struct v4l2_pix_format *pix = &image->pix;
int offset, y_offset, u_offset, v_offset;
int offset, u_offset, v_offset;
pr_debug("%s: resolution: %dx%d stride: %d\n",
__func__, pix->width, pix->height,
@ -552,43 +606,70 @@ int ipu_cpmem_set_image(struct ipuv3_channel *ch, struct ipu_image *image)
switch (pix->pixelformat) {
case V4L2_PIX_FMT_YUV420:
case V4L2_PIX_FMT_YVU420:
y_offset = Y_OFFSET(pix, image->rect.left, image->rect.top);
offset = Y_OFFSET(pix, image->rect.left, image->rect.top);
u_offset = U_OFFSET(pix, image->rect.left,
image->rect.top) - y_offset;
image->rect.top) - offset;
v_offset = V_OFFSET(pix, image->rect.left,
image->rect.top) - y_offset;
image->rect.top) - offset;
ipu_cpmem_set_yuv_planar_full(ch, pix->pixelformat,
pix->bytesperline, u_offset, v_offset);
ipu_cpmem_set_buffer(ch, 0, image->phys0 + y_offset);
ipu_cpmem_set_buffer(ch, 1, image->phys1 + y_offset);
pix->bytesperline,
u_offset, v_offset);
break;
case V4L2_PIX_FMT_YUV422P:
offset = Y_OFFSET(pix, image->rect.left, image->rect.top);
u_offset = U2_OFFSET(pix, image->rect.left,
image->rect.top) - offset;
v_offset = V2_OFFSET(pix, image->rect.left,
image->rect.top) - offset;
ipu_cpmem_set_yuv_planar_full(ch, pix->pixelformat,
pix->bytesperline,
u_offset, v_offset);
break;
case V4L2_PIX_FMT_NV12:
offset = Y_OFFSET(pix, image->rect.left, image->rect.top);
u_offset = UV_OFFSET(pix, image->rect.left,
image->rect.top) - offset;
v_offset = 0;
ipu_cpmem_set_yuv_planar_full(ch, pix->pixelformat,
pix->bytesperline,
u_offset, v_offset);
break;
case V4L2_PIX_FMT_NV16:
offset = Y_OFFSET(pix, image->rect.left, image->rect.top);
u_offset = UV2_OFFSET(pix, image->rect.left,
image->rect.top) - offset;
v_offset = 0;
ipu_cpmem_set_yuv_planar_full(ch, pix->pixelformat,
pix->bytesperline,
u_offset, v_offset);
break;
case V4L2_PIX_FMT_UYVY:
case V4L2_PIX_FMT_YUYV:
case V4L2_PIX_FMT_RGB565:
offset = image->rect.left * 2 +
image->rect.top * pix->bytesperline;
ipu_cpmem_set_buffer(ch, 0, image->phys0 + offset);
ipu_cpmem_set_buffer(ch, 1, image->phys1 + offset);
break;
case V4L2_PIX_FMT_RGB32:
case V4L2_PIX_FMT_BGR32:
offset = image->rect.left * 4 +
image->rect.top * pix->bytesperline;
ipu_cpmem_set_buffer(ch, 0, image->phys0 + offset);
ipu_cpmem_set_buffer(ch, 1, image->phys1 + offset);
break;
case V4L2_PIX_FMT_RGB24:
case V4L2_PIX_FMT_BGR24:
offset = image->rect.left * 3 +
image->rect.top * pix->bytesperline;
ipu_cpmem_set_buffer(ch, 0, image->phys0 + offset);
ipu_cpmem_set_buffer(ch, 1, image->phys1 + offset);
break;
default:
return -EINVAL;
}
ipu_cpmem_set_buffer(ch, 0, image->phys0 + offset);
ipu_cpmem_set_buffer(ch, 1, image->phys1 + offset);
return 0;
}
EXPORT_SYMBOL_GPL(ipu_cpmem_set_image);