This is needed for imx-ipu-vout to extract the buffer address from a
saved CPMEM block.
Signed-off-by: Philipp Zabel <p.za...@pengutronix.de>
---
include/video/imx-ipu-v3.h | 9 +++++++++
1 file changed, 9 insertions(+)
diff --git a/include/video/imx-ipu-v3.h b/include/video/imx-ipu-v3.h
index 77a82f5..e8764dc 100644
--- a/include/video/imx-ipu-v3.h
+++ b/include/video/imx-ipu-v3.h
@@ -268,6 +268,15 @@ static inline void ipu_cpmem_set_buffer(struct
ipu_ch_param __iomem *p,
ipu_ch_param_write_field(p, IPU_FIELD_EBA0, buf >> 3);
}
+static inline dma_addr_t ipu_cpmem_get_buffer(struct ipu_ch_param __iomem *p,
+ int bufnum)
+{
+ if (bufnum)
+ return ipu_ch_param_read_field(p, IPU_FIELD_EBA1) << 3;
+ else
+ return ipu_ch_param_read_field(p, IPU_FIELD_EBA0) << 3;
+}
+
static inline void ipu_cpmem_set_resolution(struct ipu_ch_param __iomem *p,
int xres, int yres)
{
--
2.0.0.rc2
--
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