gpu: ipu-v3: Add Camera Sensor Interface unit

Adds the Camera Sensor Interface (CSI) unit required for video capture.

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

Removed the unused clk_get_rate in ipu_csi_init_interface and the
ipu_csi_ccir_err_detection_enable/disable functions.
Checkpatch cleanup.

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

1 files changed, 30 insertions, 2 deletions

diff --git a/include/video/imx-ipu-v3.h b/include/video/imx-ipu-v3.h
index f80fe13b0d4d..6d254275192b 100644
--- a/include/video/imx-ipu-v3.h
+++ b/include/video/imx-ipu-v3.h
@@ -16,6 +16,7 @@
 #include <linux/videodev2.h>
 #include <linux/bitmap.h>
 #include <linux/fb.h>
+#include <media/v4l2-mediabus.h>
 
 struct ipu_soc;
 
@@ -61,6 +62,15 @@ struct ipu_di_signal_cfg {
         u8 vsync_pin;
 };
 
+/*
+ * Enumeration of CSI destinations
+ */
+enum ipu_csi_dest {
+        IPU_CSI_DEST_IDMAC, /* to memory via SMFC */
+        IPU_CSI_DEST_IC,        /* to Image Converter */
+        IPU_CSI_DEST_VDIC,  /* to VDIC */
+};
+
 enum ipu_color_space {
         IPUV3_COLORSPACE_RGB,
         IPUV3_COLORSPACE_YUV,
@@ -211,8 +221,26 @@ int ipu_dp_set_global_alpha(struct ipu_dp *dp, bool enable, u8 alpha,
 /*
  * IPU CMOS Sensor Interface (csi) functions
  */
-int ipu_csi_enable(struct ipu_soc *ipu, int csi);
-int ipu_csi_disable(struct ipu_soc *ipu, int csi);
+struct ipu_csi;
+int ipu_csi_init_interface(struct ipu_csi *csi,
+                           struct v4l2_mbus_config *mbus_cfg,
+                           struct v4l2_mbus_framefmt *mbus_fmt);
+bool ipu_csi_is_interlaced(struct ipu_csi *csi);
+void ipu_csi_get_window(struct ipu_csi *csi, struct v4l2_rect *w);
+void ipu_csi_set_window(struct ipu_csi *csi, struct v4l2_rect *w);
+void ipu_csi_set_test_generator(struct ipu_csi *csi, bool active,
+                                u32 r_value, u32 g_value, u32 b_value,
+                                u32 pix_clk);
+int ipu_csi_set_mipi_datatype(struct ipu_csi *csi, u32 vc,
+                              struct v4l2_mbus_framefmt *mbus_fmt);
+int ipu_csi_set_skip_smfc(struct ipu_csi *csi, u32 skip,
+                          u32 max_ratio, u32 id);
+int ipu_csi_set_dest(struct ipu_csi *csi, enum ipu_csi_dest csi_dest);
+int ipu_csi_enable(struct ipu_csi *csi);
+int ipu_csi_disable(struct ipu_csi *csi);
+struct ipu_csi *ipu_csi_get(struct ipu_soc *ipu, int id);
+void ipu_csi_put(struct ipu_csi *csi);
+void ipu_csi_dump(struct ipu_csi *csi);
 
 /*
  * IPU Sensor Multiple FIFO Controller (SMFC) functions