ARM: S5P6440: Add audio platform devices

Define platform devices for all audio devices found on S5P6440

Signed-off-by: Jassi Brar <jassi.brar@samsung.com>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>

3 files changed, 136 insertions, 0 deletions

diff --git a/arch/arm/mach-s5p6440/Makefile b/arch/arm/mach-s5p6440/Makefile
index 1ad894b1d3ab..a2e99a249767 100644
--- a/arch/arm/mach-s5p6440/Makefile
+++ b/arch/arm/mach-s5p6440/Makefile
@@ -17,3 +17,6 @@ obj-$(CONFIG_CPU_S5P6440)	+= cpu.o init.o clock.o gpio.o
 # machine support
 
 obj-$(CONFIG_MACH_SMDK6440)     += mach-smdk6440.o
+
+# device support
+obj-y                           += dev-audio.o
diff --git a/arch/arm/mach-s5p6440/dev-audio.c b/arch/arm/mach-s5p6440/dev-audio.c
new file mode 100644
index 000000000000..0c5367962830
--- /dev/null
+++ b/arch/arm/mach-s5p6440/dev-audio.c
@@ -0,0 +1,127 @@
+/* linux/arch/arm/mach-s5p6440/dev-audio.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>
+
+#include <plat/gpio-cfg.h>
+#include <plat/audio.h>
+
+#include <mach/gpio.h>
+#include <mach/map.h>
+#include <mach/dma.h>
+#include <mach/irqs.h>
+
+static int s5p6440_cfg_i2s(struct platform_device *pdev)
+{
+        /* configure GPIO for i2s port */
+        switch (pdev->id) {
+        case -1:
+                s3c_gpio_cfgpin(S5P6440_GPR(4), S3C_GPIO_SFN(5));
+                s3c_gpio_cfgpin(S5P6440_GPR(5), S3C_GPIO_SFN(5));
+                s3c_gpio_cfgpin(S5P6440_GPR(6), S3C_GPIO_SFN(5));
+                s3c_gpio_cfgpin(S5P6440_GPR(7), S3C_GPIO_SFN(5));
+                s3c_gpio_cfgpin(S5P6440_GPR(8), S3C_GPIO_SFN(5));
+                s3c_gpio_cfgpin(S5P6440_GPR(13), S3C_GPIO_SFN(5));
+                s3c_gpio_cfgpin(S5P6440_GPR(14), S3C_GPIO_SFN(5));
+                break;
+
+        default:
+                printk(KERN_ERR "Invalid Device %d\n", pdev->id);
+                return -EINVAL;
+        }
+
+        return 0;
+}
+
+static struct s3c_audio_pdata s3c_i2s_pdata = {
+        .cfg_gpio = s5p6440_cfg_i2s,
+};
+
+static struct resource s5p6440_iis0_resource[] = {
+        [0] = {
+                .start = S5P6440_PA_I2S,
+                .end   = S5P6440_PA_I2S + 0x100 - 1,
+                .flags = IORESOURCE_MEM,
+        },
+        [1] = {
+                .start = DMACH_I2S0_TX,
+                .end   = DMACH_I2S0_TX,
+                .flags = IORESOURCE_DMA,
+        },
+        [2] = {
+                .start = DMACH_I2S0_RX,
+                .end   = DMACH_I2S0_RX,
+                .flags = IORESOURCE_DMA,
+        },
+};
+
+struct platform_device s5p6440_device_iis = {
+        .name             = "s3c64xx-iis-v4",
+        .id               = -1,
+        .num_resources    = ARRAY_SIZE(s5p6440_iis0_resource),
+        .resource         = s5p6440_iis0_resource,
+        .dev = {
+                .platform_data = &s3c_i2s_pdata,
+        },
+};
+
+/* PCM Controller platform_devices */
+
+static int s5p6440_pcm_cfg_gpio(struct platform_device *pdev)
+{
+        switch (pdev->id) {
+        case 0:
+                s3c_gpio_cfgpin(S5P6440_GPR(7), S3C_GPIO_SFN(2));
+                s3c_gpio_cfgpin(S5P6440_GPR(13), S3C_GPIO_SFN(2));
+                s3c_gpio_cfgpin(S5P6440_GPR(14), S3C_GPIO_SFN(2));
+                s3c_gpio_cfgpin(S5P6440_GPR(8), S3C_GPIO_SFN(2));
+                s3c_gpio_cfgpin(S5P6440_GPR(6), S3C_GPIO_SFN(2));
+                break;
+
+        default:
+                printk(KERN_DEBUG "Invalid PCM Controller number!");
+                return -EINVAL;
+        }
+
+        return 0;
+}
+
+static struct s3c_audio_pdata s3c_pcm_pdata = {
+        .cfg_gpio = s5p6440_pcm_cfg_gpio,
+};
+
+static struct resource s5p6440_pcm0_resource[] = {
+        [0] = {
+                .start = S5P6440_PA_PCM,
+                .end   = S5P6440_PA_PCM + 0x100 - 1,
+                .flags = IORESOURCE_MEM,
+        },
+        [1] = {
+                .start = DMACH_PCM0_TX,
+                .end   = DMACH_PCM0_TX,
+                .flags = IORESOURCE_DMA,
+        },
+        [2] = {
+                .start = DMACH_PCM0_RX,
+                .end   = DMACH_PCM0_RX,
+                .flags = IORESOURCE_DMA,
+        },
+};
+
+struct platform_device s5p6440_device_pcm = {
+        .name             = "samsung-pcm",
+        .id               = 0,
+        .num_resources    = ARRAY_SIZE(s5p6440_pcm0_resource),
+        .resource         = s5p6440_pcm0_resource,
+        .dev = {
+                .platform_data = &s3c_pcm_pdata,
+        },
+};
diff --git a/arch/arm/mach-s5p6440/include/mach/map.h b/arch/arm/mach-s5p6440/include/mach/map.h
index 8924e5a4d6a6..ccbfdaea6eb6 100644
--- a/arch/arm/mach-s5p6440/include/mach/map.h
+++ b/arch/arm/mach-s5p6440/include/mach/map.h
@@ -61,6 +61,12 @@
 #define S5P6440_PA_SDRAM        (0x20000000)
 #define S5P_PA_SDRAM            S5P6440_PA_SDRAM
 
+/* I2S */
+#define S5P6440_PA_I2S          0xF2000000
+
+/* PCM */
+#define S5P6440_PA_PCM          0xF2100000
+
 /* compatibiltiy defines. */
 #define S3C_PA_UART             S5P6440_PA_UART
 #define S3C_PA_IIC              S5P6440_PA_IIC0