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[09/43] imx-drm: ipu-v3: Add ipu_mbus_code_to_colorspace()

Message ID 1402178205-22697-10-git-send-email-steve_longerbeam@mentor.com (mailing list archive)
State New, archived
Headers show

Commit Message

Steve Longerbeam June 7, 2014, 9:56 p.m. UTC 
Add ipu_mbus_code_to_colorspace() to find ipu_color_space from a
media bus pixel format code.

Signed-off-by: Steve Longerbeam <steve_longerbeam@mentor.com>
---
 drivers/staging/imx-drm/ipu-v3/ipu-common.c |   13 +++++++++++++
 include/linux/platform_data/imx-ipu-v3.h    |    1 +
 2 files changed, 14 insertions(+)
diff mbox

Patch

diff --git a/drivers/staging/imx-drm/ipu-v3/ipu-common.c b/drivers/staging/imx-drm/ipu-v3/ipu-common.c
index 3d7e28d..9c29e19 100644
--- a/drivers/staging/imx-drm/ipu-v3/ipu-common.c
+++ b/drivers/staging/imx-drm/ipu-v3/ipu-common.c
@@ -551,6 +551,19 @@  enum ipu_color_space ipu_pixelformat_to_colorspace(u32 pixelformat)
 }
 EXPORT_SYMBOL_GPL(ipu_pixelformat_to_colorspace);
 
+enum ipu_color_space ipu_mbus_code_to_colorspace(u32 mbus_code)
+{
+	switch (mbus_code & 0xf000) {
+	case 0x1000:
+		return IPUV3_COLORSPACE_RGB;
+	case 0x2000:
+		return IPUV3_COLORSPACE_YUV;
+	default:
+		return IPUV3_COLORSPACE_UNKNOWN;
+	}
+}
+EXPORT_SYMBOL_GPL(ipu_mbus_code_to_colorspace);
+
 struct ipuv3_channel *ipu_idmac_get(struct ipu_soc *ipu, unsigned num)
 {
 	struct ipuv3_channel *channel;
diff --git a/include/linux/platform_data/imx-ipu-v3.h b/include/linux/platform_data/imx-ipu-v3.h
index b4bc549..21226a2 100644
--- a/include/linux/platform_data/imx-ipu-v3.h
+++ b/include/linux/platform_data/imx-ipu-v3.h
@@ -466,6 +466,7 @@  int ipu_cpmem_set_image(struct ipu_ch_param __iomem *cpmem,
 
 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);
 
 static inline void ipu_cpmem_set_burstsize(struct ipu_ch_param __iomem *p,
 		int burstsize)