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Groups > linux.kernel > #1281829
| From | Peter Ujfalusi <peter.ujfalusi@ti.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | [RFC v03 08/15] ARM: davinci: dm644x: Add dma_filter_map to edma |
| Date | 2015-12-02 15:10 +0100 |
| Message-ID | <qBggA-8db-37@gated-at.bofh.it> (permalink) |
| References | <qBggx-8db-3@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
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/dm644x.c | 12 ++++++++++++
1 file changed, 12 insertions(+)
diff --git a/arch/arm/mach-davinci/dm644x.c b/arch/arm/mach-davinci/dm644x.c
index d38f5049d56e..59fae2c3b8f4 100644
--- a/arch/arm/mach-davinci/dm644x.c
+++ b/arch/arm/mach-davinci/dm644x.c
@@ -11,6 +11,7 @@
#include <linux/init.h>
#include <linux/clk.h>
#include <linux/serial_8250.h>
+#include <linux/dmaengine.h>
#include <linux/platform_device.h>
#include <linux/platform_data/edma.h>
#include <linux/platform_data/gpio-davinci.h>
@@ -505,9 +506,20 @@ static s8 queue_priority_mapping[][2] = {
{-1, -1},
};
+static const struct dma_filter_map da644x_edma_map[] = {
+ { "davinci-mcbsp", "tx", EDMA_FILTER_PARAM(0, 2) },
+ { "davinci-mcbsp", "rx", EDMA_FILTER_PARAM(0, 3) },
+ { "spi_davinci", "tx", EDMA_FILTER_PARAM(0, 16) },
+ { "spi_davinci", "rx", EDMA_FILTER_PARAM(0, 17) },
+ { "dm6441-mmc.0", "rx", EDMA_FILTER_PARAM(0, 26) },
+ { "dm6441-mmc.0", "tx", EDMA_FILTER_PARAM(0, 27) },
+};
+
static struct edma_soc_info dm644x_edma_pdata = {
.queue_priority_mapping = queue_priority_mapping,
.default_queue = EVENTQ_1,
+ .slave_map = da644x_edma_map,
+ .slavecnt = ARRAY_SIZE(da644x_edma_map),
};
static struct resource edma_resources[] = {
--
2.6.3
--
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[RFC v03 00/15] dmaengine: New 'universal' API for requesting channel Peter Ujfalusi <peter.ujfalusi@ti.com> - 2015-12-02 15:10 +0100 [RFC v03 08/15] ARM: davinci: dm644x: Add dma_filter_map to edma Peter Ujfalusi <peter.ujfalusi@ti.com> - 2015-12-02 15:10 +0100 [RFC v03 15/15] ARM: davinci: dm365: Remove DMA resources for SPI Peter Ujfalusi <peter.ujfalusi@ti.com> - 2015-12-02 15:10 +0100 [RFC v03 05/15] ARM: davinci: devices-da8xx: Add dma_filter_map to edma Peter Ujfalusi <peter.ujfalusi@ti.com> - 2015-12-02 15:10 +0100 [RFC v03 01/15] dmaengine: core: Skip mask matching when it is not provided to private_candidate Peter Ujfalusi <peter.ujfalusi@ti.com> - 2015-12-02 15:10 +0100 [RFC v03 04/15] dmaengine: edma: Add support for DMA filter mapping to slave devices Peter Ujfalusi <peter.ujfalusi@ti.com> - 2015-12-02 15:10 +0100 [RFC v03 06/15] ARM: davinci: dm355: Add dma_filter_map to edma Peter Ujfalusi <peter.ujfalusi@ti.com> - 2015-12-02 15:10 +0100 Re: [RFC v03 00/15] dmaengine: New 'universal' API for requesting channel Andy Shevchenko <andy.shevchenko@gmail.com> - 2015-12-02 15:40 +0100
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