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ARM: Samsung: Define common audio-dma device

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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>
Acked-by: Kukjin Kim <kgene.kim@samsung.com>
Acked-by: Liam Girdwood <lrg@slimlogic.co.uk>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
This commit is contained in:
Jassi Brar 2010-11-22 15:35:53 +09:00 committed by Mark Brown
parent 58bb407213
commit 83e37b8e40
8 changed files with 31 additions and 32 deletions
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2
arch/arm/mach-s3c2410/mach-h1940.c
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@ -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,

2
arch/arm/mach-s3c2440/mach-rx1950.c
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@ -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,

13
arch/arm/mach-s3c64xx/dev-audio.c
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@ -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);

2
arch/arm/mach-s3c64xx/mach-smdk6410.c
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@ -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,

17
arch/arm/plat-s3c24xx/devs.c
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@ -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,

1
arch/arm/plat-samsung/Makefile
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@ -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

24
arch/arm/plat-samsung/dev-asocdma.c Normal file
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@ -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);

2
arch/arm/plat-samsung/include/plat/devs.h
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@ -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;