gpu: ipu-v3: Add helper function checking if pixfmt is planar
authorSteve Longerbeam <slongerbeam@gmail.com>
Thu, 26 Jun 2014 01:05:38 +0000 (18:05 -0700)
committerPhilipp Zabel <p.zabel@pengutronix.de>
Tue, 2 Sep 2014 12:55:47 +0000 (14:55 +0200)
Add simple helper function returning true if passed pixel format is one
of supported planar ones.

Signed-off-by: Dmitry Eremin-Solenikov <dmitry_eremin@mentor.com>
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
drivers/gpu/ipu-v3/ipu-common.c
include/video/imx-ipu-v3.h

index a1d42ee..18563c2 100644 (file)
@@ -101,6 +101,18 @@ enum ipu_color_space ipu_pixelformat_to_colorspace(u32 pixelformat)
 }
 EXPORT_SYMBOL_GPL(ipu_pixelformat_to_colorspace);
 
+bool ipu_pixelformat_is_planar(u32 pixelformat)
+{
+       switch (pixelformat) {
+       case V4L2_PIX_FMT_YUV420:
+       case V4L2_PIX_FMT_YVU420:
+               return true;
+       }
+
+       return false;
+}
+EXPORT_SYMBOL_GPL(ipu_pixelformat_is_planar);
+
 enum ipu_color_space ipu_mbus_code_to_colorspace(u32 mbus_code)
 {
        switch (mbus_code & 0xf000) {
index 3562698..ecb01f8 100644 (file)
@@ -301,6 +301,7 @@ int ipu_smfc_set_watermark(struct ipu_smfc *smfc, u32 set_level, u32 clr_level);
 enum ipu_color_space ipu_drm_fourcc_to_colorspace(u32 drm_fourcc);
 enum ipu_color_space ipu_pixelformat_to_colorspace(u32 pixelformat);
 enum ipu_color_space ipu_mbus_code_to_colorspace(u32 mbus_code);
+bool ipu_pixelformat_is_planar(u32 pixelformat);
 int ipu_degrees_to_rot_mode(enum ipu_rotate_mode *mode, int degrees,
                            bool hflip, bool vflip);
 int ipu_rot_mode_to_degrees(int *degrees, enum ipu_rotate_mode mode,