AuxXxilium/linux_dsm_epyc7002
1
0
Fork 0
mirror of https://github.com/AuxXxilium/linux_dsm_epyc7002.git synced 2024-11-25 06:30:54 +07:00
Code Issues Actions Packages Projects Releases Wiki Activity

ARM: s3c64xx: Add DMA slave maps for PL080 devices

Browse Source 
This patch adds DMA slave map tables to the pl080 devices's
platform_data in order to support the new channel request API.
A few devices for which there was no DMA support with current
code are omitted in the tables.

Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Tested-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Acked-by: Krzysztof Kozlowski <krzk@kernel.org>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
This commit is contained in:
Sylwester Nawrocki 2016-11-10 16:17:50 +01:00 committed by Vinod Koul
parent da6f8ca13f
commit 5d13982a24
1 changed files with 32 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

32
arch/arm/mach-s3c64xx/pl080.c
View File

@ -117,6 +117,25 @@ static struct pl08x_channel_data s3c64xx_dma0_info[] = {
}
};
static const struct dma_slave_map s3c64xx_dma0_slave_map[] = {
{ "s3c6400-uart.0", "tx", &s3c64xx_dma0_info[0] },
{ "s3c6400-uart.0", "rx", &s3c64xx_dma0_info[1] },
{ "s3c6400-uart.1", "tx", &s3c64xx_dma0_info[2] },
{ "s3c6400-uart.1", "rx", &s3c64xx_dma0_info[3] },
{ "s3c6400-uart.2", "tx", &s3c64xx_dma0_info[4] },
{ "s3c6400-uart.2", "rx", &s3c64xx_dma0_info[5] },
{ "s3c6400-uart.3", "tx", &s3c64xx_dma0_info[6] },
{ "s3c6400-uart.3", "rx", &s3c64xx_dma0_info[7] },
{ "samsung-pcm.0", "tx", &s3c64xx_dma0_info[8] },
{ "samsung-pcm.0", "rx", &s3c64xx_dma0_info[9] },
{ "samsung-i2s.0", "tx", &s3c64xx_dma0_info[10] },
{ "samsung-i2s.0", "rx", &s3c64xx_dma0_info[11] },
{ "s3c6410-spi.0", "tx", &s3c64xx_dma0_info[12] },
{ "s3c6410-spi.0", "rx", &s3c64xx_dma0_info[13] },
{ "samsung-i2s.2", "tx", &s3c64xx_dma0_info[14] },
{ "samsung-i2s.2", "rx", &s3c64xx_dma0_info[15] },
};
struct pl08x_platform_data s3c64xx_dma0_plat_data = {
.memcpy_channel = {
.bus_id = "memcpy",
@ -134,6 +153,8 @@ struct pl08x_platform_data s3c64xx_dma0_plat_data = {
.put_xfer_signal = pl08x_put_xfer_signal,
.slave_channels = s3c64xx_dma0_info,
.num_slave_channels = ARRAY_SIZE(s3c64xx_dma0_info),
.slave_map = s3c64xx_dma0_slave_map,
.slave_map_len = ARRAY_SIZE(s3c64xx_dma0_slave_map),
};
static AMBA_AHB_DEVICE(s3c64xx_dma0, "dma-pl080s.0", 0,
@ -207,6 +228,15 @@ static struct pl08x_channel_data s3c64xx_dma1_info[] = {
},
};
static const struct dma_slave_map s3c64xx_dma1_slave_map[] = {
{ "samsung-pcm.1", "tx", &s3c64xx_dma1_info[0] },
{ "samsung-pcm.1", "rx", &s3c64xx_dma1_info[1] },
{ "samsung-i2s.1", "tx", &s3c64xx_dma1_info[2] },
{ "samsung-i2s.1", "rx", &s3c64xx_dma1_info[3] },
{ "s3c6410-spi.1", "tx", &s3c64xx_dma1_info[4] },
{ "s3c6410-spi.1", "rx", &s3c64xx_dma1_info[5] },
};
struct pl08x_platform_data s3c64xx_dma1_plat_data = {
.memcpy_channel = {
.bus_id = "memcpy",
@ -224,6 +254,8 @@ struct pl08x_platform_data s3c64xx_dma1_plat_data = {
.put_xfer_signal = pl08x_put_xfer_signal,
.slave_channels = s3c64xx_dma1_info,
.num_slave_channels = ARRAY_SIZE(s3c64xx_dma1_info),
.slave_map = s3c64xx_dma1_slave_map,
.slave_map_len = ARRAY_SIZE(s3c64xx_dma1_slave_map),
};
static AMBA_AHB_DEVICE(s3c64xx_dma1, "dma-pl080s.1", 0,