static int rotator_src_set_fmt(struct device *dev, u32 fmt)
{
struct rot_context *rot = dev_get_drvdata(dev);
struct drm_exynos_ipp_property *property = &rot->property;
struct drm_exynos_ipp_config *config =
&property->config[EXYNOS_DRM_OPS_SRC];
/* Check validity */
switch (fmt) {
case DRM_FORMAT_XRGB8888:
case DRM_FORMAT_NV12:
case DRM_FORMAT_NV12M:
/* No problem */
break;
default:
DRM_ERROR("invalid format\n");
return -EINVAL;
}
/* Align size */
rotator_align_size(rot, fmt, &config->pos);
/* Set format configuration */
config->fmt = fmt;
return 0;
}
static int rotator_dst_set_size(struct device *dev, int swap,
struct drm_exynos_pos *pos,
struct drm_exynos_sz *sz)
{
struct rot_context *rot = dev_get_drvdata(dev);
u32 val, fmt, hsize, vsize;
/* Get format */
fmt = rotator_reg_get_fmt(rot);
if (!rotator_check_reg_fmt(fmt)) {
DRM_ERROR("invalid format.\n");
return -EINVAL;
}
/* Align buffer size */
hsize = sz->hsize;
vsize = sz->vsize;
rotator_align_size(rot, fmt, &hsize, &vsize);
/* Set buffer size configuration */
val = ROT_SET_BUF_SIZE_H(vsize) | ROT_SET_BUF_SIZE_W(hsize);
rot_write(val, ROT_DST_BUF_SIZE);
/* Set crop image position configuration */
val = ROT_CROP_POS_Y(pos->y) | ROT_CROP_POS_X(pos->x);
rot_write(val, ROT_DST_CROP_POS);
return 0;
}
static int rotator_dst_set_size(struct device *dev, int swap,
struct drm_exynos_pos *pos,
struct drm_exynos_sz *sz)
{
struct rot_context *rot = dev_get_drvdata(dev);
u32 fmt, hsize, vsize;
/* Get format */
fmt = rotator_reg_get_format(rot);
/* Align buffer size */
hsize = sz->hsize;
vsize = sz->vsize;
rotator_align_size(rot, fmt, &hsize, &vsize);
/* Set buffer size configuration */
rotator_reg_set_dst_buf_size(rot, hsize, vsize);
/* Set crop image position configuration */
rotator_reg_set_dst_crop_pos(rot, pos->x, pos->y);
return 0;
}
