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Pass dma_slave_map data to EDMA driver. This will help 

migration to new DMA engine API for requesting
 slave channels dma_request_chan().
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Merge tag 'davinci-for-v4.6/edma' of git://git.kernel.org/pub/scm/linux/kernel/git/nsekhar/linux-davinci into next/soc

Merge "DaVinci EDMA enhancements for v4.6" from Sekhar Nori:

Pass dma_slave_map data to EDMA driver. This will help
migration to new DMA engine API for requesting
slave channels dma_request_chan().

* tag 'davinci-for-v4.6/edma' of git://git.kernel.org/pub/scm/linux/kernel/git/nsekhar/linux-davinci:
  ARM: davinci: dm646x: Add dma_slave_map to edma
  ARM: davinci: dm644x: Add dma_slave_map to edma
  ARM: davinci: dm365: Add dma_slave_map to edma
  ARM: davinci: dm355: Add dma_slave_map to edma
  ARM: davinci: devices-da8xx: Add dma_slave_map to edma
This commit is contained in:
Arnd Bergmann 2016-02-26 22:42:05 +01:00
parent ac838df7f8 2137d54d16
commit 8bba98a8c1
5 changed files with 111 additions and 0 deletions
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46
arch/arm/mach-davinci/devices-da8xx.c
View File

@ -17,6 +17,7 @@
#include <linux/ahci_platform.h>
#include <linux/clk.h>
#include <linux/reboot.h>
#include <linux/dmaengine.h>
#include <mach/cputype.h>
#include <mach/common.h>
@ -233,16 +234,54 @@ static const struct platform_device_info da850_edma1_device __initconst = {
.size_data = sizeof(da850_edma1_pdata),
};
static const struct dma_slave_map da830_edma_map[] = {
{ "davinci-mcasp.0", "rx", EDMA_FILTER_PARAM(0, 0) },
{ "davinci-mcasp.0", "tx", EDMA_FILTER_PARAM(0, 1) },
{ "davinci-mcasp.1", "rx", EDMA_FILTER_PARAM(0, 2) },
{ "davinci-mcasp.1", "tx", EDMA_FILTER_PARAM(0, 3) },
{ "davinci-mcasp.2", "rx", EDMA_FILTER_PARAM(0, 4) },
{ "davinci-mcasp.2", "tx", EDMA_FILTER_PARAM(0, 5) },
{ "spi_davinci.0", "rx", EDMA_FILTER_PARAM(0, 14) },
{ "spi_davinci.0", "tx", EDMA_FILTER_PARAM(0, 15) },
{ "da830-mmc.0", "rx", EDMA_FILTER_PARAM(0, 16) },
{ "da830-mmc.0", "tx", EDMA_FILTER_PARAM(0, 17) },
{ "spi_davinci.1", "rx", EDMA_FILTER_PARAM(0, 18) },
{ "spi_davinci.1", "tx", EDMA_FILTER_PARAM(0, 19) },
};
int __init da830_register_edma(struct edma_rsv_info *rsv)
{
struct platform_device *edma_pdev;
da8xx_edma0_pdata.rsv = rsv;
da8xx_edma0_pdata.slave_map = da830_edma_map;
da8xx_edma0_pdata.slavecnt = ARRAY_SIZE(da830_edma_map);
edma_pdev = platform_device_register_full(&da8xx_edma0_device);
return IS_ERR(edma_pdev) ? PTR_ERR(edma_pdev) : 0;
}
static const struct dma_slave_map da850_edma0_map[] = {
{ "davinci-mcasp.0", "rx", EDMA_FILTER_PARAM(0, 0) },
{ "davinci-mcasp.0", "tx", EDMA_FILTER_PARAM(0, 1) },
{ "davinci-mcbsp.0", "rx", EDMA_FILTER_PARAM(0, 2) },
{ "davinci-mcbsp.0", "tx", EDMA_FILTER_PARAM(0, 3) },
{ "davinci-mcbsp.1", "rx", EDMA_FILTER_PARAM(0, 4) },
{ "davinci-mcbsp.1", "tx", EDMA_FILTER_PARAM(0, 5) },
{ "spi_davinci.0", "rx", EDMA_FILTER_PARAM(0, 14) },
{ "spi_davinci.0", "tx", EDMA_FILTER_PARAM(0, 15) },
{ "da830-mmc.0", "rx", EDMA_FILTER_PARAM(0, 16) },
{ "da830-mmc.0", "tx", EDMA_FILTER_PARAM(0, 17) },
{ "spi_davinci.1", "rx", EDMA_FILTER_PARAM(0, 18) },
{ "spi_davinci.1", "tx", EDMA_FILTER_PARAM(0, 19) },
};
static const struct dma_slave_map da850_edma1_map[] = {
{ "da830-mmc.1", "rx", EDMA_FILTER_PARAM(1, 28) },
{ "da830-mmc.1", "tx", EDMA_FILTER_PARAM(1, 29) },
};
int __init da850_register_edma(struct edma_rsv_info *rsv[2])
{
struct platform_device *edma_pdev;
@ -252,11 +291,18 @@ int __init da850_register_edma(struct edma_rsv_info *rsv[2])
da850_edma1_pdata.rsv = rsv[1];
}
da8xx_edma0_pdata.slave_map = da850_edma0_map;
da8xx_edma0_pdata.slavecnt = ARRAY_SIZE(da850_edma0_map);
edma_pdev = platform_device_register_full(&da8xx_edma0_device);
if (IS_ERR(edma_pdev)) {
pr_warn("%s: Failed to register eDMA0\n", __func__);
return PTR_ERR(edma_pdev);
}
da850_edma1_pdata.slave_map = da850_edma1_map;
da850_edma1_pdata.slavecnt = ARRAY_SIZE(da850_edma1_map);
edma_pdev = platform_device_register_full(&da850_edma1_device);
return IS_ERR(edma_pdev) ? PTR_ERR(edma_pdev) : 0;
}

20
arch/arm/mach-davinci/dm355.c
View File

@ -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 const struct dma_slave_map dm355_edma_map[] = {
{ "davinci-mcbsp.0", "tx", EDMA_FILTER_PARAM(0, 2) },
{ "davinci-mcbsp.0", "rx", EDMA_FILTER_PARAM(0, 3) },
{ "davinci-mcbsp.1", "tx", EDMA_FILTER_PARAM(0, 8) },
{ "davinci-mcbsp.1", "rx", EDMA_FILTER_PARAM(0, 9) },
{ "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) },
{ "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 dm355_edma_pdata = {
.queue_priority_mapping = queue_priority_mapping,
.default_queue = EVENTQ_1,
.slave_map = dm355_edma_map,
.slavecnt = ARRAY_SIZE(dm355_edma_map),
};
static struct resource edma_resources[] = {

22
arch/arm/mach-davinci/dm365.c
View File

@ -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_slave_map dm365_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 = dm365_edma_map,
.slavecnt = ARRAY_SIZE(dm365_edma_map),
};
static struct resource edma_resources[] = {

12
arch/arm/mach-davinci/dm644x.c
View File

@ -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_slave_map dm644x_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 = dm644x_edma_map,
.slavecnt = ARRAY_SIZE(dm644x_edma_map),
};
static struct resource edma_resources[] = {

11
arch/arm/mach-davinci/dm646x.c
View File

@ -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 const struct dma_slave_map dm646x_edma_map[] = {
{ "davinci-mcasp.0", "tx", EDMA_FILTER_PARAM(0, 6) },
{ "davinci-mcasp.0", "rx", EDMA_FILTER_PARAM(0, 9) },
{ "davinci-mcasp.1", "tx", EDMA_FILTER_PARAM(0, 12) },
{ "spi_davinci", "tx", EDMA_FILTER_PARAM(0, 16) },
{ "spi_davinci", "rx", EDMA_FILTER_PARAM(0, 17) },
};
static struct edma_soc_info dm646x_edma_pdata = {
.queue_priority_mapping = dm646x_queue_priority_mapping,
.default_queue = EVENTQ_1,
.slave_map = dm646x_edma_map,
.slavecnt = ARRAY_SIZE(dm646x_edma_map),
};
static struct resource edma_resources[] = {