From: Jassi Brar jassi.brar@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@samsung.com --- 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@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;