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@xxxxxx>
---
arch/arm/mach-davinci/dm355.c | 20 ++++++++++++++++++++
1 file changed, 20 insertions(+)
diff --git a/arch/arm/mach-davinci/dm355.c b/arch/arm/mach-davinci/dm355.c
index 609950b8c191..dc8d7ccf69f4 100644
--- a/arch/arm/mach-davinci/dm355.c
+++ b/arch/arm/mach-davinci/dm355.c
@@ -13,6 +13,7 @@
#include <linux/serial_8250.h>
#include <linux/platform_device.h>
#include <linux/dma-mapping.h>
+#include <linux/dmaengine.h>
#include <linux/spi/spi.h>
#include <linux/platform_data/edma.h>
#include <linux/platform_data/gpio-davinci.h>
@@ -576,9 +577,28 @@ static s8 queue_priority_mapping[][2] = {
{-1, -1},
};
+static struct dma_filter_map da355_edma_map[] = {
+ DMA_FILTER_ENTRY("davinci-mcbsp.0", "tx", EDMA_CTLR_CHAN(0, 2)),
+ DMA_FILTER_ENTRY("davinci-mcbsp.0", "rx", EDMA_CTLR_CHAN(0, 3)),
+ DMA_FILTER_ENTRY("davinci-mcbsp.1", "tx", EDMA_CTLR_CHAN(0, 8)),
+ DMA_FILTER_ENTRY("davinci-mcbsp.1", "rx", EDMA_CTLR_CHAN(0, 9)),
+ DMA_FILTER_ENTRY("spi_davinci.2", "tx", EDMA_CTLR_CHAN(0, 10)),
+ DMA_FILTER_ENTRY("spi_davinci.2", "rx", EDMA_CTLR_CHAN(0, 11)),
+ DMA_FILTER_ENTRY("spi_davinci.1", "tx", EDMA_CTLR_CHAN(0, 14)),
+ DMA_FILTER_ENTRY("spi_davinci.1", "rx", EDMA_CTLR_CHAN(0, 15)),
+ DMA_FILTER_ENTRY("spi_davinci.0", "tx", EDMA_CTLR_CHAN(0, 16)),
+ DMA_FILTER_ENTRY("spi_davinci.0", "rx", EDMA_CTLR_CHAN(0, 17)),
+ DMA_FILTER_ENTRY("dm6441-mmc.0", "rx", EDMA_CTLR_CHAN(0, 26)),
+ DMA_FILTER_ENTRY("dm6441-mmc.0", "tx", EDMA_CTLR_CHAN(0, 27)),
+ DMA_FILTER_ENTRY("dm6441-mmc.1", "rx", EDMA_CTLR_CHAN(0, 30)),
+ DMA_FILTER_ENTRY("dm6441-mmc.1", "tx", EDMA_CTLR_CHAN(0, 31)),
+};
+
static struct edma_soc_info dm355_edma_pdata = {
.queue_priority_mapping = queue_priority_mapping,
.default_queue = EVENTQ_1,
+ .filter_map = da355_edma_map,
+ .filtercnt = ARRAY_SIZE(da355_edma_map),
};
static struct resource edma_resources[] = {
--
2.6.3
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