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authorKedareswara rao Appana <appana.durga.rao@xilinx.com>2016-04-07 08:29:43 +0300
committerVinod Koul <vinod.koul@intel.com>2016-05-12 09:28:30 +0300
commitc0bba3a99f0709c24c2c7ada7cb098966b1d791f (patch)
treec1c01c023736d10457f952f99cc75b3e8345e979 /include/linux/dma
parent7e4cda70c0be3c82c0248aee5c4c255e46469fd7 (diff)
downloadlinux-c0bba3a99f0709c24c2c7ada7cb098966b1d791f.tar.xz
dmaengine: vdma: Add Support for Xilinx AXI Direct Memory Access Engine
This patch adds support for the AXI Direct Memory Access (AXI DMA) core in the existing vdma driver, AXI DMA Core is a soft Xilinx IP core that provides high-bandwidth direct memory access between memory and AXI4-Stream type target peripherals. Signed-off-by: Kedareswara rao Appana <appanad@xilinx.com> Signed-off-by: Vinod Koul <vinod.koul@intel.com>
Diffstat (limited to 'include/linux/dma')
-rw-r--r--include/linux/dma/xilinx_dma.h12
1 files changed, 12 insertions, 0 deletions
diff --git a/include/linux/dma/xilinx_dma.h b/include/linux/dma/xilinx_dma.h
index 34b98f276ed0..5db17ff8e254 100644
--- a/include/linux/dma/xilinx_dma.h
+++ b/include/linux/dma/xilinx_dma.h
@@ -41,6 +41,18 @@ struct xilinx_vdma_config {
int ext_fsync;
};
+/**
+ * enum xdma_ip_type: DMA IP type.
+ *
+ * XDMA_TYPE_AXIDMA: Axi dma ip.
+ * XDMA_TYPE_VDMA: Axi vdma ip.
+ *
+ */
+enum xdma_ip_type {
+ XDMA_TYPE_AXIDMA = 0,
+ XDMA_TYPE_VDMA,
+};
+
int xilinx_vdma_channel_set_config(struct dma_chan *dchan,
struct xilinx_vdma_config *cfg);