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Subject[PATCH 02/16] gpu: ipu-cpmem: Add ipu_cpmem_set_uv_offset()
Date
Adds ipu_cpmem_set_uv_offset(), to set planar U/V offsets.

Signed-off-by: Steve Longerbeam <steve_longerbeam@mentor.com>
---
drivers/gpu/ipu-v3/ipu-cpmem.c | 7 +++++++
include/video/imx-ipu-v3.h | 1 +
2 files changed, 8 insertions(+)

diff --git a/drivers/gpu/ipu-v3/ipu-cpmem.c b/drivers/gpu/ipu-v3/ipu-cpmem.c
index 6494a4d..a36c35e 100644
--- a/drivers/gpu/ipu-v3/ipu-cpmem.c
+++ b/drivers/gpu/ipu-v3/ipu-cpmem.c
@@ -253,6 +253,13 @@ void ipu_cpmem_set_buffer(struct ipuv3_channel *ch, int bufnum, dma_addr_t buf)
}
EXPORT_SYMBOL_GPL(ipu_cpmem_set_buffer);

+void ipu_cpmem_set_uv_offset(struct ipuv3_channel *ch, u32 u_off, u32 v_off)
+{
+ ipu_ch_param_write_field(ch, IPU_FIELD_UBO, u_off / 8);
+ ipu_ch_param_write_field(ch, IPU_FIELD_VBO, v_off / 8);
+}
+EXPORT_SYMBOL_GPL(ipu_cpmem_set_uv_offset);
+
void ipu_cpmem_interlaced_scan(struct ipuv3_channel *ch, int stride)
{
ipu_ch_param_write_field(ch, IPU_FIELD_SO, 1);
diff --git a/include/video/imx-ipu-v3.h b/include/video/imx-ipu-v3.h
index 22662a1..904fd12 100644
--- a/include/video/imx-ipu-v3.h
+++ b/include/video/imx-ipu-v3.h
@@ -194,6 +194,7 @@ void ipu_cpmem_set_resolution(struct ipuv3_channel *ch, int xres, int yres);
void ipu_cpmem_set_stride(struct ipuv3_channel *ch, int stride);
void ipu_cpmem_set_high_priority(struct ipuv3_channel *ch);
void ipu_cpmem_set_buffer(struct ipuv3_channel *ch, int bufnum, dma_addr_t buf);
+void ipu_cpmem_set_uv_offset(struct ipuv3_channel *ch, u32 u_off, u32 v_off);
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);
--
1.9.1
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