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 void rotator_reg_set_dst_crop_pos(struct rot_context *rot, u32 x, u32 y)
{
u32 value = ROT_CROP_POS_Y(y) | ROT_CROP_POS_X(x);
writel(value, rot->regs + ROT_DST_CROP_POS);
}