gpu: ipu-cpmem: Add ipu_cpmem_set_rotation()

Adds ipu_cpmem_set_rotation().

Signed-off-by: Steve Longerbeam <steve_longerbeam@mentor.com>
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>

2 files changed, 12 insertions, 0 deletions

diff --git a/drivers/gpu/ipu-v3/ipu-cpmem.c b/drivers/gpu/ipu-v3/ipu-cpmem.c
index 2d1b3761f14c..f52e4b4e172f 100644
--- a/drivers/gpu/ipu-v3/ipu-cpmem.c
+++ b/drivers/gpu/ipu-v3/ipu-cpmem.c
@@ -64,6 +64,7 @@ struct ipu_cpmem {
 #define IPU_FIELD_BNDM          IPU_CPMEM_WORD(0, 114, 3)
 #define IPU_FIELD_BM            IPU_CPMEM_WORD(0, 117, 2)
 #define IPU_FIELD_ROT           IPU_CPMEM_WORD(0, 119, 1)
+#define IPU_FIELD_ROT_HF_VF     IPU_CPMEM_WORD(0, 119, 3)
 #define IPU_FIELD_HF            IPU_CPMEM_WORD(0, 120, 1)
 #define IPU_FIELD_VF            IPU_CPMEM_WORD(0, 121, 1)
 #define IPU_FIELD_THE           IPU_CPMEM_WORD(0, 122, 1)
@@ -273,6 +274,15 @@ void ipu_cpmem_set_block_mode(struct ipuv3_channel *ch)
 }
 EXPORT_SYMBOL_GPL(ipu_cpmem_set_block_mode);
 
+void ipu_cpmem_set_rotation(struct ipuv3_channel *ch,
+                            enum ipu_rotate_mode rot)
+{
+        u32 temp_rot = bitrev8(rot) >> 5;
+
+        ipu_ch_param_write_field(ch, IPU_FIELD_ROT_HF_VF, temp_rot);
+}
+EXPORT_SYMBOL_GPL(ipu_cpmem_set_rotation);
+
 int ipu_cpmem_set_format_rgb(struct ipuv3_channel *ch,
                              const struct ipu_rgb *rgb)
 {
diff --git a/include/video/imx-ipu-v3.h b/include/video/imx-ipu-v3.h
index f30c06871db7..699e0d8d135b 100644
--- a/include/video/imx-ipu-v3.h
+++ b/include/video/imx-ipu-v3.h
@@ -197,6 +197,8 @@ void ipu_cpmem_interlaced_scan(struct ipuv3_channel *ch, int stride);
 void ipu_cpmem_set_axi_id(struct ipuv3_channel *ch, u32 id);
 void ipu_cpmem_set_burstsize(struct ipuv3_channel *ch, int burstsize);
 void ipu_cpmem_set_block_mode(struct ipuv3_channel *ch);
+void ipu_cpmem_set_rotation(struct ipuv3_channel *ch,
+                            enum ipu_rotate_mode rot);
 int ipu_cpmem_set_format_rgb(struct ipuv3_channel *ch,
                              const struct ipu_rgb *rgb);
 int ipu_cpmem_set_format_passthrough(struct ipuv3_channel *ch, int width);