[RFC v02 09/15] ARM: davinci: dm646x: Add dma_filter_map to edma

Peter Ujfalusi
2015-11-30T13:45:39Z

Provide the dma_filter_map to edma which will allow us to move the drivers
to the new, simpler dmaengine API and we can remove the DMA resources also
for the devices.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
---
arch/arm/mach-davinci/dm646x.c | 11 +++++++++++
1 file changed, 11 insertions(+)

diff --git a/arch/arm/mach-davinci/dm646x.c b/arch/arm/mach-davinci/dm646x.c
index 70eb42725eec..560841a0c4fa 100644
--- a/arch/arm/mach-davinci/dm646x.c
+++ b/arch/arm/mach-davinci/dm646x.c
@@ -9,6 +9,7 @@
* or implied.
*/
#include <linux/dma-mapping.h>
+#include <linux/dmaengine.h>
#include <linux/init.h>
#include <linux/clk.h>
#include <linux/serial_8250.h>
@@ -540,9 +541,19 @@ static s8 dm646x_queue_priority_mapping[][2] = {
{-1, -1},
};

+static struct dma_filter_map da646x_edma_map[] = {
+ DMA_FILTER_ENTRY("davinci-mcasp.0", "tx", EDMA_CTLR_CHAN(0, 6)),
+ DMA_FILTER_ENTRY("davinci-mcasp.0", "rx", EDMA_CTLR_CHAN(0, 9)),
+ DMA_FILTER_ENTRY("davinci-mcasp.1", "tx", EDMA_CTLR_CHAN(0, 12)),
+ DMA_FILTER_ENTRY("spi_davinci", "tx", EDMA_CTLR_CHAN(0, 16)),
+ DMA_FILTER_ENTRY("spi_davinci", "rx", EDMA_CTLR_CHAN(0, 17)),
+};
+
static struct edma_soc_info dm646x_edma_pdata = {
.queue_priority_mapping = dm646x_queue_priority_mapping,
.default_queue = EVENTQ_1,
+ .filter_map = da646x_edma_map,
+ .filtercnt = ARRAY_SIZE(da646x_edma_map),
};

static struct resource edma_resources[] = {
--
2.6.3