ARM: Samsung: Define common audio-dma device

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>

8 files changed, 31 insertions, 32 deletions

diff --git a/arch/arm/mach-s3c2410/mach-h1940.c b/arch/arm/mach-s3c2410/mach-h1940.c
index d7ada8c7e41f..1a81fe12ccd7 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 e0622bbb6dfa..eab6ae50683c 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 bbaf7b3fa8ae..4a4b8a505ff9 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 77488facfe4c..e85192a86fbe 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 4bf0b3912a69..5987f949e167 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 afcce474af8e..19d8a16c3066 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 000000000000..b7b1fcaab814
--- /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 dec0ded6a5ee..e9e3b6e3ec74 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;