ENGR00160875-1 ipuv3 dev: low performance if enable rotation

1. no dma alloc for rot buf every time which will cost time.
2. fix split mode condition.
3. export some functions.

This patch for common head file.

Signed-off-by: Jason Chen <b02280@freescale.com>

diff --git a/include/linux/ipu.h b/include/linux/ipu.h
index 17638ab151207aa3f11abf53bb86d6140b35edab..051624854558b9ec3f21c2b4c8507186caecd45c 100644 (file)
--- a/include/linux/ipu.h
+++ b/include/linux/ipu.h
@@ -138,6 +138,12 @@ typedef enum {
 /*! @} */
 
 /* IPU device */
+typedef enum {
+       RGB_CS,
+       YUV_CS,
+       NULL_CS
+} cs_t;
+
 struct ipu_pos {
        u32 x;
        u32 y;
@@ -246,4 +252,14 @@ enum {
 #define IPU_ALLOC              _IOWR('I', 0x3, int)
 #define IPU_FREE               _IOW('I', 0x4, int)
 
+/* export functions */
+#ifdef __KERNEL__
+unsigned int fmt_to_bpp(unsigned int pixelformat);
+cs_t colorspaceofpixel(int fmt);
+int need_csc(int ifmt, int ofmt);
+
+int ipu_queue_task(struct ipu_task *task);
+int ipu_check_task(struct ipu_task *task);
+#endif
+
 #endif