[RFC v03 07/15] ARM: davinci: dm365: Add dma_filter_map to edma

From	Peter Ujfalusi <peter.ujfalusi@ti.com>
Newsgroups	linux.kernel
Subject	[RFC v03 07/15] ARM: davinci: dm365: Add dma_filter_map to edma
Date	2015-12-02 15:10 +0100
Message-ID	<qBggz-8db-27@gated-at.bofh.it> (permalink)
References	<qBggx-8db-3@gated-at.bofh.it>
Organization	linux.* mail to news gateway

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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/dm365.c | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)

diff --git a/arch/arm/mach-davinci/dm365.c b/arch/arm/mach-davinci/dm365.c
index 2068cbeaeb03..e794bff7d589 100644
--- a/arch/arm/mach-davinci/dm365.c
+++ b/arch/arm/mach-davinci/dm365.c
@@ -17,6 +17,7 @@
 #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>
@@ -862,9 +863,30 @@ static s8 dm365_queue_priority_mapping[][2] = {
 	{-1, -1},
 };
 
+static const struct dma_filter_map da365_edma_map[] = {
+	{ "davinci-mcbsp.0", "tx", EDMA_FILTER_PARAM(0, 2) },
+	{ "davinci-mcbsp.0", "rx", EDMA_FILTER_PARAM(0, 3) },
+	{ "davinci_voicecodec", "tx", EDMA_FILTER_PARAM(0, 2) },
+	{ "davinci_voicecodec", "rx", EDMA_FILTER_PARAM(0, 3) },
+	{ "spi_davinci.2", "tx", EDMA_FILTER_PARAM(0, 10) },
+	{ "spi_davinci.2", "rx", EDMA_FILTER_PARAM(0, 11) },
+	{ "spi_davinci.1", "tx", EDMA_FILTER_PARAM(0, 14) },
+	{ "spi_davinci.1", "rx", EDMA_FILTER_PARAM(0, 15) },
+	{ "spi_davinci.0", "tx", EDMA_FILTER_PARAM(0, 16) },
+	{ "spi_davinci.0", "rx", EDMA_FILTER_PARAM(0, 17) },
+	{ "spi_davinci.3", "tx", EDMA_FILTER_PARAM(0, 18) },
+	{ "spi_davinci.3", "rx", EDMA_FILTER_PARAM(0, 19) },
+	{ "dm6441-mmc.0", "rx", EDMA_FILTER_PARAM(0, 26) },
+	{ "dm6441-mmc.0", "tx", EDMA_FILTER_PARAM(0, 27) },
+	{ "dm6441-mmc.1", "rx", EDMA_FILTER_PARAM(0, 30) },
+	{ "dm6441-mmc.1", "tx", EDMA_FILTER_PARAM(0, 31) },
+};
+
 static struct edma_soc_info dm365_edma_pdata = {
 	.queue_priority_mapping	= dm365_queue_priority_mapping,
 	.default_queue		= EVENTQ_3,
+	.slave_map		= da365_edma_map,
+	.slavecnt		= ARRAY_SIZE(da365_edma_map),
 };
 
 static struct resource edma_resources[] = {
-- 
2.6.3

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[RFC v03 07/15] ARM: davinci: dm365: Add dma_filter_map to edma Peter Ujfalusi <peter.ujfalusi@ti.com> - 2015-12-02 15:10 +0100

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