[alsa-devel] [PATCHv4 03/18] ARM: Samsung: Define common audio-dma device
Kukjin Kim
kgene.kim at samsung.com
Mon Nov 22 08:07:51 CET 2010
Jassi Brar wrote:
>
> From: Jassi Brar <jassi.brar at samsung.com>
>
> The ASoC uses common DMA driver for Audio devices. So it makes
> sense to a common audio-dma device shared across all platforms.
>
> Signed-off-by: Jassi Brar <jassi.brar at samsung.com>
Added Ben Dooks in Cc.
Acked-by: Kukjin Kim <kgene.kim at samsung.com>
Thanks.
Best regards,
Kgene.
--
Kukjin Kim <kgene.kim at samsung.com>, Senior Engineer,
SW Solution Development Team, Samsung Electronics Co., Ltd.
> ---
> arch/arm/mach-s3c2410/mach-h1940.c | 2 +-
> arch/arm/mach-s3c2440/mach-rx1950.c | 2 +-
> arch/arm/mach-s3c64xx/dev-audio.c | 13 -------------
> arch/arm/mach-s3c64xx/mach-smdk6410.c | 2 +-
> arch/arm/plat-s3c24xx/devs.c | 17 ++---------------
> arch/arm/plat-samsung/Makefile | 1 +
> arch/arm/plat-samsung/dev-asocdma.c | 24 ++++++++++++++++++++++++
> arch/arm/plat-samsung/include/plat/devs.h | 2 +-
> 8 files changed, 31 insertions(+), 32 deletions(-)
> create mode 100644 arch/arm/plat-samsung/dev-asocdma.c
>
> diff --git a/arch/arm/mach-s3c2410/mach-h1940.c
b/arch/arm/mach-s3c2410/mach-
> h1940.c
> index d7ada8c..1a81fe1 100644
> --- a/arch/arm/mach-s3c2410/mach-h1940.c
> +++ b/arch/arm/mach-s3c2410/mach-h1940.c
> @@ -387,7 +387,7 @@ static struct platform_device *h1940_devices[]
__initdata
> = {
> &s3c_device_wdt,
> &s3c_device_i2c0,
> &s3c_device_iis,
> - &s3c_device_pcm,
> + &samsung_asoc_dma,
> &s3c_device_usbgadget,
> &h1940_device_leds,
> &h1940_device_bluetooth,
> diff --git a/arch/arm/mach-s3c2440/mach-rx1950.c b/arch/arm/mach-
> s3c2440/mach-rx1950.c
> index e0622bb..eab6ae5 100644
> --- a/arch/arm/mach-s3c2440/mach-rx1950.c
> +++ b/arch/arm/mach-s3c2440/mach-rx1950.c
> @@ -692,7 +692,7 @@ static struct platform_device *rx1950_devices[]
> __initdata = {
> &s3c_device_wdt,
> &s3c_device_i2c0,
> &s3c_device_iis,
> - &s3c_device_pcm,
> + &samsung_asoc_dma,
> &s3c_device_usbgadget,
> &s3c_device_rtc,
> &s3c_device_nand,
> diff --git a/arch/arm/mach-s3c64xx/dev-audio.c
b/arch/arm/mach-s3c64xx/dev-
> audio.c
> index bbaf7b3..4a4b8a5 100644
> --- a/arch/arm/mach-s3c64xx/dev-audio.c
> +++ b/arch/arm/mach-s3c64xx/dev-audio.c
> @@ -315,16 +315,3 @@ void __init s3c64xx_ac97_setup_gpio(int num)
> else
> s3c_ac97_pdata.cfg_gpio = s3c64xx_ac97_cfg_gpe;
> }
> -
> -static u64 s3c_device_audio_dmamask = 0xffffffffUL;
> -
> -struct platform_device s3c_device_pcm = {
> - .name = "samsung-audio",
> - .id = -1,
> - .dev = {
> - .dma_mask = &s3c_device_audio_dmamask,
> - .coherent_dma_mask = 0xffffffffUL
> - }
> -};
> -EXPORT_SYMBOL(s3c_device_pcm);
> -
> diff --git a/arch/arm/mach-s3c64xx/mach-smdk6410.c b/arch/arm/mach-
> s3c64xx/mach-smdk6410.c
> index 77488fa..e85192a 100644
> --- a/arch/arm/mach-s3c64xx/mach-smdk6410.c
> +++ b/arch/arm/mach-s3c64xx/mach-smdk6410.c
> @@ -283,7 +283,7 @@ static struct platform_device *smdk6410_devices[]
> __initdata = {
> &s3c_device_fb,
> &s3c_device_ohci,
> &s3c_device_usb_hsotg,
> - &s3c_device_pcm,
> + &samsung_asoc_dma,
> &s3c64xx_device_iisv4,
> &samsung_device_keypad,
>
> diff --git a/arch/arm/plat-s3c24xx/devs.c b/arch/arm/plat-s3c24xx/devs.c
> index 4bf0b39..5987f94 100644
> --- a/arch/arm/plat-s3c24xx/devs.c
> +++ b/arch/arm/plat-s3c24xx/devs.c
> @@ -259,21 +259,6 @@ struct platform_device s3c_device_iis = {
>
> EXPORT_SYMBOL(s3c_device_iis);
>
> -/* ASoC PCM DMA */
> -
> -static u64 s3c_device_audio_dmamask = 0xffffffffUL;
> -
> -struct platform_device s3c_device_pcm = {
> - .name = "samsung-audio",
> - .id = -1,
> - .dev = {
> - .dma_mask = &s3c_device_audio_dmamask,
> - .coherent_dma_mask = 0xffffffffUL
> - }
> -};
> -
> -EXPORT_SYMBOL(s3c_device_pcm);
> -
> /* RTC */
>
> static struct resource s3c_rtc_resource[] = {
> @@ -496,6 +481,8 @@ static struct resource s3c_ac97_resource[] = {
> },
> };
>
> +static u64 s3c_device_audio_dmamask = 0xffffffffUL;
> +
> struct platform_device s3c_device_ac97 = {
> .name = "s3c-ac97",
> .id = -1,
> diff --git a/arch/arm/plat-samsung/Makefile
b/arch/arm/plat-samsung/Makefile
> index afcce47..19d8a16 100644
> --- a/arch/arm/plat-samsung/Makefile
> +++ b/arch/arm/plat-samsung/Makefile
> @@ -17,6 +17,7 @@ obj-y += clock.o
> obj-y += pwm-clock.o
> obj-y += gpio.o
> obj-y += gpio-config.o
> +obj-y += dev-asocdma.o
>
> obj-$(CONFIG_SAMSUNG_GPIOLIB_4BIT) += gpiolib.o
> obj-$(CONFIG_SAMSUNG_CLKSRC) += clock-clksrc.o
> diff --git a/arch/arm/plat-samsung/dev-asocdma.c
b/arch/arm/plat-samsung/dev-
> asocdma.c
> new file mode 100644
> index 0000000..b7b1fca
> --- /dev/null
> +++ b/arch/arm/plat-samsung/dev-asocdma.c
> @@ -0,0 +1,24 @@
> +/* linux/arch/arm/plat-samsung/dev-asocdma.c
> + *
> + * Copyright (c) 2010 Samsung Electronics Co. Ltd
> + * Jaswinder Singh <jassi.brar at samsung.com>
> + *
> + * This program is free software; you can redistribute it and/or modify
> + * it under the terms of the GNU General Public License version 2 as
> + * published by the Free Software Foundation.
> + */
> +
> +#include <linux/platform_device.h>
> +#include <linux/dma-mapping.h>
> +
> +static u64 audio_dmamask = DMA_BIT_MASK(32);
> +
> +struct platform_device samsung_asoc_dma = {
> + .name = "samsung-audio",
> + .id = -1,
> + .dev = {
> + .dma_mask = &audio_dmamask,
> + .coherent_dma_mask = DMA_BIT_MASK(32),
> + }
> +};
> +EXPORT_SYMBOL(samsung_asoc_dma);
> diff --git a/arch/arm/plat-samsung/include/plat/devs.h b/arch/arm/plat-
> samsung/include/plat/devs.h
> index dec0ded..e9e3b6e 100644
> --- a/arch/arm/plat-samsung/include/plat/devs.h
> +++ b/arch/arm/plat-samsung/include/plat/devs.h
> @@ -32,7 +32,7 @@ extern struct platform_device s3c64xx_device_iisv4;
> extern struct platform_device s3c64xx_device_spi0;
> extern struct platform_device s3c64xx_device_spi1;
>
> -extern struct platform_device s3c_device_pcm;
> +extern struct platform_device samsung_asoc_dma;
>
> extern struct platform_device s3c64xx_device_pcm0;
> extern struct platform_device s3c64xx_device_pcm1;
> --
> 1.6.2.5
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