Messages in this thread Patch in this message | | | From | Peter Ujfalusi <> | Subject | [RFC v02 09/15] ARM: davinci: dm646x: Add dma_filter_map to edma | Date | Mon, 30 Nov 2015 15:45:39 +0200 |
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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
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