1 files changed, 50 insertions, 6 deletions

diff --git a/include/video/imx-ipu-v3.h b/include/video/imx-ipu-v3.h
index b03fafa1ff58..06b0b57e996c 100644
--- a/include/video/imx-ipu-v3.h
+++ b/include/video/imx-ipu-v3.h
@@ -387,20 +387,64 @@ enum ipu_ic_task {
         IC_NUM_TASKS,
 };
 
+/*
+ * The parameters that describe a colorspace according to the
+ * Image Converter:
+ *    - Y'CbCr encoding
+ *    - quantization
+ *    - "colorspace" (RGB or YUV).
+ */
+struct ipu_ic_colorspace {
+        enum v4l2_ycbcr_encoding enc;
+        enum v4l2_quantization quant;
+        enum ipu_color_space cs;
+};
+
+static inline void
+ipu_ic_fill_colorspace(struct ipu_ic_colorspace *ic_cs,
+                       enum v4l2_ycbcr_encoding enc,
+                       enum v4l2_quantization quant,
+                       enum ipu_color_space cs)
+{
+        ic_cs->enc = enc;
+        ic_cs->quant = quant;
+        ic_cs->cs = cs;
+}
+
+struct ipu_ic_csc_params {
+        s16 coeff[3][3];        /* signed 9-bit integer coefficients */
+        s16 offset[3];          /* signed 11+2-bit fixed point offset */
+        u8 scale:2;             /* scale coefficients * 2^(scale-1) */
+        bool sat:1;             /* saturate to (16, 235(Y) / 240(U, V)) */
+};
+
+struct ipu_ic_csc {
+        struct ipu_ic_colorspace in_cs;
+        struct ipu_ic_colorspace out_cs;
+        struct ipu_ic_csc_params params;
+};
+
 struct ipu_ic;
+
+int __ipu_ic_calc_csc(struct ipu_ic_csc *csc);
+int ipu_ic_calc_csc(struct ipu_ic_csc *csc,
+                    enum v4l2_ycbcr_encoding in_enc,
+                    enum v4l2_quantization in_quant,
+                    enum ipu_color_space in_cs,
+                    enum v4l2_ycbcr_encoding out_enc,
+                    enum v4l2_quantization out_quant,
+                    enum ipu_color_space out_cs);
 int ipu_ic_task_init(struct ipu_ic *ic,
+                     const struct ipu_ic_csc *csc,
                      int in_width, int in_height,
-                     int out_width, int out_height,
-                     enum ipu_color_space in_cs,
-                     enum ipu_color_space out_cs);
+                     int out_width, int out_height);
 int ipu_ic_task_init_rsc(struct ipu_ic *ic,
+                         const struct ipu_ic_csc *csc,
                          int in_width, int in_height,
                          int out_width, int out_height,
-                         enum ipu_color_space in_cs,
-                         enum ipu_color_space out_cs,
                          u32 rsc);
 int ipu_ic_task_graphics_init(struct ipu_ic *ic,
-                              enum ipu_color_space in_g_cs,
+                              const struct ipu_ic_colorspace *g_in_cs,
                               bool galpha_en, u32 galpha,
                               bool colorkey_en, u32 colorkey);
 void ipu_ic_task_enable(struct ipu_ic *ic);