gpu: ipu-v3: Add Image Converter unit

Adds the Image Converter (IC) unit.

Signed-off-by: Steve Longerbeam <steve_longerbeam@mentor.com>

Condensed the three CSC setup functions into a single one that
uses static tables to set up the CSC task parameters.

Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>

1 files changed, 45 insertions, 0 deletions

diff --git a/include/video/imx-ipu-v3.h b/include/video/imx-ipu-v3.h
index 6d254275192b..a477814a03af 100644
--- a/include/video/imx-ipu-v3.h
+++ b/include/video/imx-ipu-v3.h
@@ -71,6 +71,20 @@ enum ipu_csi_dest {
         IPU_CSI_DEST_VDIC,  /* to VDIC */
 };
 
+/*
+ * Enumeration of IPU rotation modes
+ */
+enum ipu_rotate_mode {
+        IPU_ROTATE_NONE = 0,
+        IPU_ROTATE_VERT_FLIP,
+        IPU_ROTATE_HORIZ_FLIP,
+        IPU_ROTATE_180,
+        IPU_ROTATE_90_RIGHT,
+        IPU_ROTATE_90_RIGHT_VFLIP,
+        IPU_ROTATE_90_RIGHT_HFLIP,
+        IPU_ROTATE_90_LEFT,
+};
+
 enum ipu_color_space {
         IPUV3_COLORSPACE_RGB,
         IPUV3_COLORSPACE_YUV,
@@ -243,6 +257,37 @@ void ipu_csi_put(struct ipu_csi *csi);
 void ipu_csi_dump(struct ipu_csi *csi);
 
 /*
+ * IPU Image Converter (ic) functions
+ */
+enum ipu_ic_task {
+        IC_TASK_ENCODER,
+        IC_TASK_VIEWFINDER,
+        IC_TASK_POST_PROCESSOR,
+        IC_NUM_TASKS,
+};
+
+struct ipu_ic;
+int ipu_ic_task_init(struct ipu_ic *ic,
+                     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 ipu_ic_task_graphics_init(struct ipu_ic *ic,
+                              enum ipu_color_space in_g_cs,
+                              bool galpha_en, u32 galpha,
+                              bool colorkey_en, u32 colorkey);
+void ipu_ic_task_enable(struct ipu_ic *ic);
+void ipu_ic_task_disable(struct ipu_ic *ic);
+int ipu_ic_task_idma_init(struct ipu_ic *ic, struct ipuv3_channel *channel,
+                          u32 width, u32 height, int burst_size,
+                          enum ipu_rotate_mode rot);
+int ipu_ic_enable(struct ipu_ic *ic);
+int ipu_ic_disable(struct ipu_ic *ic);
+struct ipu_ic *ipu_ic_get(struct ipu_soc *ipu, enum ipu_ic_task task);
+void ipu_ic_put(struct ipu_ic *ic);
+void ipu_ic_dump(struct ipu_ic *ic);
+
+/*
  * IPU Sensor Multiple FIFO Controller (SMFC) functions
  */
 int ipu_smfc_enable(struct ipu_soc *ipu);