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authorPeter Ujfalusi <peter.ujfalusi@ti.com>2015-12-14 22:47:41 +0200
committerVinod Koul <vinod.koul@intel.com>2015-12-18 11:17:26 +0530
commit23e6723c060faf5a0fc8d7bfbec440d29943fa99 (patch)
tree4dce1854991d10566eeb136f5d4dec29db9c626b /include/linux/platform_data
parenta8135d0d79e9d0ad3a4ff494fceeaae838becf38 (diff)
downloadtalos-obmc-linux-23e6723c060faf5a0fc8d7bfbec440d29943fa99.tar.gz
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dmaengine: edma: 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/platform_data')
-rw-r--r--include/linux/platform_data/edma.h7
1 files changed, 7 insertions, 0 deletions
diff --git a/include/linux/platform_data/edma.h b/include/linux/platform_data/edma.h
index e2878baeb90e..105700e62ea1 100644
--- a/include/linux/platform_data/edma.h
+++ b/include/linux/platform_data/edma.h
@@ -53,12 +53,16 @@ enum dma_event_q {
#define EDMA_CTLR(i) ((i) >> 16)
#define EDMA_CHAN_SLOT(i) ((i) & 0xffff)
+#define EDMA_FILTER_PARAM(ctlr, chan) ((int[]) { EDMA_CTLR_CHAN(ctlr, chan) })
+
struct edma_rsv_info {
const s16 (*rsv_chans)[2];
const s16 (*rsv_slots)[2];
};
+struct dma_slave_map;
+
/* platform_data for EDMA driver */
struct edma_soc_info {
/*
@@ -76,6 +80,9 @@ struct edma_soc_info {
s8 (*queue_priority_mapping)[2];
const s16 (*xbar_chans)[2];
+
+ const struct dma_slave_map *slave_map;
+ int slavecnt;
};
#endif
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