* [PATCH] dma: imx-sdma: Add a new DMATYPE for Shared Peripheral ASRC
@ 2014-06-16 3:31 Nicolin Chen
2014-06-21 4:44 ` Shawn Guo
2014-07-25 8:39 ` Vinod Koul
0 siblings, 2 replies; 3+ messages in thread
From: Nicolin Chen @ 2014-06-16 3:31 UTC (permalink / raw)
To: vinod.koul, s.hauer
Cc: robh+dt, pawel.moll, mark.rutland, ijc+devicetree, galak,
rdunlap, dan.j.williams, shawn.guo, devicetree, linux-doc,
linux-kernel, dmaengine
Shared Peripheral ASRC, running on SPBA, needs to use shp sciprts for
DMA transfer. So this patch just adds a new DMATYPE for it.
Signed-off-by: Nicolin Chen <nicoleotsuka@gmail.com>
---
Documentation/devicetree/bindings/dma/fsl-imx-sdma.txt | 1 +
drivers/dma/imx-sdma.c | 5 +++++
include/linux/platform_data/dma-imx.h | 1 +
3 files changed, 7 insertions(+)
diff --git a/Documentation/devicetree/bindings/dma/fsl-imx-sdma.txt b/Documentation/devicetree/bindings/dma/fsl-imx-sdma.txt
index ee9be99..d2e91f1 100644
--- a/Documentation/devicetree/bindings/dma/fsl-imx-sdma.txt
+++ b/Documentation/devicetree/bindings/dma/fsl-imx-sdma.txt
@@ -47,6 +47,7 @@ The full ID of peripheral types can be found below.
20 ASRC
21 ESAI
22 SSI Dual FIFO (needs firmware ver >= 2)
+ 23 Shared ASRC
The third cell specifies the transfer priority as below.
diff --git a/drivers/dma/imx-sdma.c b/drivers/dma/imx-sdma.c
index fc04add..85561dc 100644
--- a/drivers/dma/imx-sdma.c
+++ b/drivers/dma/imx-sdma.c
@@ -745,6 +745,11 @@ static void sdma_get_pc(struct sdma_channel *sdmac,
emi_2_per = sdma->script_addrs->asrc_2_mcu_addr;
per_2_per = sdma->script_addrs->per_2_per_addr;
break;
+ case IMX_DMATYPE_ASRC_SP:
+ per_2_emi = sdma->script_addrs->shp_2_mcu_addr;
+ emi_2_per = sdma->script_addrs->mcu_2_shp_addr;
+ per_2_per = sdma->script_addrs->per_2_per_addr;
+ break;
case IMX_DMATYPE_MSHC:
per_2_emi = sdma->script_addrs->mshc_2_mcu_addr;
emi_2_per = sdma->script_addrs->mcu_2_mshc_addr;
diff --git a/include/linux/platform_data/dma-imx.h b/include/linux/platform_data/dma-imx.h
index bcbc6c3..7aa0e89 100644
--- a/include/linux/platform_data/dma-imx.h
+++ b/include/linux/platform_data/dma-imx.h
@@ -40,6 +40,7 @@ enum sdma_peripheral_type {
IMX_DMATYPE_ASRC, /* ASRC */
IMX_DMATYPE_ESAI, /* ESAI */
IMX_DMATYPE_SSI_DUAL, /* SSI Dual FIFO */
+ IMX_DMATYPE_ASRC_SP, /* Shared ASRC */
};
enum imx_dma_prio {
--
1.8.4
^ permalink raw reply related [flat|nested] 3+ messages in thread
* Re: [PATCH] dma: imx-sdma: Add a new DMATYPE for Shared Peripheral ASRC
2014-06-16 3:31 [PATCH] dma: imx-sdma: Add a new DMATYPE for Shared Peripheral ASRC Nicolin Chen
@ 2014-06-21 4:44 ` Shawn Guo
2014-07-25 8:39 ` Vinod Koul
1 sibling, 0 replies; 3+ messages in thread
From: Shawn Guo @ 2014-06-21 4:44 UTC (permalink / raw)
To: Nicolin Chen
Cc: vinod.koul, s.hauer, robh+dt, pawel.moll, mark.rutland,
ijc+devicetree, galak, rdunlap, dan.j.williams, devicetree,
linux-doc, linux-kernel, dmaengine
On Mon, Jun 16, 2014 at 11:31:05AM +0800, Nicolin Chen wrote:
> Shared Peripheral ASRC, running on SPBA, needs to use shp sciprts for
> DMA transfer. So this patch just adds a new DMATYPE for it.
>
> Signed-off-by: Nicolin Chen <nicoleotsuka@gmail.com>
Acked-by: Shawn Guo <shawn.guo@linaro.org>
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: [PATCH] dma: imx-sdma: Add a new DMATYPE for Shared Peripheral ASRC
2014-06-16 3:31 [PATCH] dma: imx-sdma: Add a new DMATYPE for Shared Peripheral ASRC Nicolin Chen
2014-06-21 4:44 ` Shawn Guo
@ 2014-07-25 8:39 ` Vinod Koul
1 sibling, 0 replies; 3+ messages in thread
From: Vinod Koul @ 2014-07-25 8:39 UTC (permalink / raw)
To: Nicolin Chen
Cc: s.hauer, robh+dt, pawel.moll, mark.rutland, ijc+devicetree,
galak, rdunlap, dan.j.williams, shawn.guo, devicetree, linux-doc,
linux-kernel, dmaengine
On Mon, Jun 16, 2014 at 11:31:05AM +0800, Nicolin Chen wrote:
> Shared Peripheral ASRC, running on SPBA, needs to use shp sciprts for
> DMA transfer. So this patch just adds a new DMATYPE for it.
Applied, thanks
--
~Vinod
>
> Signed-off-by: Nicolin Chen <nicoleotsuka@gmail.com>
> ---
> Documentation/devicetree/bindings/dma/fsl-imx-sdma.txt | 1 +
> drivers/dma/imx-sdma.c | 5 +++++
> include/linux/platform_data/dma-imx.h | 1 +
> 3 files changed, 7 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/dma/fsl-imx-sdma.txt b/Documentation/devicetree/bindings/dma/fsl-imx-sdma.txt
> index ee9be99..d2e91f1 100644
> --- a/Documentation/devicetree/bindings/dma/fsl-imx-sdma.txt
> +++ b/Documentation/devicetree/bindings/dma/fsl-imx-sdma.txt
> @@ -47,6 +47,7 @@ The full ID of peripheral types can be found below.
> 20 ASRC
> 21 ESAI
> 22 SSI Dual FIFO (needs firmware ver >= 2)
> + 23 Shared ASRC
>
> The third cell specifies the transfer priority as below.
>
> diff --git a/drivers/dma/imx-sdma.c b/drivers/dma/imx-sdma.c
> index fc04add..85561dc 100644
> --- a/drivers/dma/imx-sdma.c
> +++ b/drivers/dma/imx-sdma.c
> @@ -745,6 +745,11 @@ static void sdma_get_pc(struct sdma_channel *sdmac,
> emi_2_per = sdma->script_addrs->asrc_2_mcu_addr;
> per_2_per = sdma->script_addrs->per_2_per_addr;
> break;
> + case IMX_DMATYPE_ASRC_SP:
> + per_2_emi = sdma->script_addrs->shp_2_mcu_addr;
> + emi_2_per = sdma->script_addrs->mcu_2_shp_addr;
> + per_2_per = sdma->script_addrs->per_2_per_addr;
> + break;
> case IMX_DMATYPE_MSHC:
> per_2_emi = sdma->script_addrs->mshc_2_mcu_addr;
> emi_2_per = sdma->script_addrs->mcu_2_mshc_addr;
> diff --git a/include/linux/platform_data/dma-imx.h b/include/linux/platform_data/dma-imx.h
> index bcbc6c3..7aa0e89 100644
> --- a/include/linux/platform_data/dma-imx.h
> +++ b/include/linux/platform_data/dma-imx.h
> @@ -40,6 +40,7 @@ enum sdma_peripheral_type {
> IMX_DMATYPE_ASRC, /* ASRC */
> IMX_DMATYPE_ESAI, /* ESAI */
> IMX_DMATYPE_SSI_DUAL, /* SSI Dual FIFO */
> + IMX_DMATYPE_ASRC_SP, /* Shared ASRC */
> };
>
> enum imx_dma_prio {
> --
> 1.8.4
>
--
^ permalink raw reply [flat|nested] 3+ messages in thread
end of thread, other threads:[~2014-07-25 8:45 UTC | newest]
Thread overview: 3+ messages (download: mbox.gz / follow: Atom feed)
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2014-06-16 3:31 [PATCH] dma: imx-sdma: Add a new DMATYPE for Shared Peripheral ASRC Nicolin Chen
2014-06-21 4:44 ` Shawn Guo
2014-07-25 8:39 ` Vinod Koul
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