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authorPeter Ujfalusi <peter.ujfalusi@ti.com>2015-12-14 23:47:42 +0300
committerVinod Koul <vinod.koul@intel.com>2015-12-18 08:47:26 +0300
commit020c62ae38946cae01571a0b4e6f445dfdb7ec1c (patch)
tree41cdbbab4b18de3734f87f351c839065752d0494 /include/linux/omap-dma.h
parent23e6723c060faf5a0fc8d7bfbec440d29943fa99 (diff)
downloadlinux-020c62ae38946cae01571a0b4e6f445dfdb7ec1c.tar.xz
dmaengine: omap-dma: Add support for DMA filter mapping to slave devices
Add support for providing device to filter_fn mapping so client drivers can switch to use the dma_request_chan() API. Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com> Reviewed-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Vinod Koul <vinod.koul@intel.com>
Diffstat (limited to 'include/linux/omap-dma.h')
-rw-r--r--include/linux/omap-dma.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/include/linux/omap-dma.h b/include/linux/omap-dma.h
index 88fa8af2b937..1d99b61adc65 100644
--- a/include/linux/omap-dma.h
+++ b/include/linux/omap-dma.h
@@ -267,6 +267,9 @@ struct omap_dma_reg {
u8 type;
};
+#define SDMA_FILTER_PARAM(hw_req) ((int[]) { (hw_req) })
+struct dma_slave_map;
+
/* System DMA platform data structure */
struct omap_system_dma_plat_info {
const struct omap_dma_reg *reg_map;
@@ -278,6 +281,9 @@ struct omap_system_dma_plat_info {
void (*clear_dma)(int lch);
void (*dma_write)(u32 val, int reg, int lch);
u32 (*dma_read)(int reg, int lch);
+
+ const struct dma_slave_map *slave_map;
+ int slavecnt;
};
#ifdef CONFIG_ARCH_OMAP2PLUS