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Diffstat (limited to 'arch/arm/mach-s5p64x0/dev-audio.c')
-rw-r--r--arch/arm/mach-s5p64x0/dev-audio.c236
1 files changed, 236 insertions, 0 deletions
diff --git a/arch/arm/mach-s5p64x0/dev-audio.c b/arch/arm/mach-s5p64x0/dev-audio.c
new file mode 100644
index 00000000..35f1f226
--- /dev/null
+++ b/arch/arm/mach-s5p64x0/dev-audio.c
@@ -0,0 +1,236 @@
+/* linux/arch/arm/mach-s5p64x0/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 <linux/gpio.h>
+
+#include <plat/gpio-cfg.h>
+#include <plat/audio.h>
+
+#include <mach/map.h>
+#include <mach/dma.h>
+#include <mach/irqs.h>
+
+static const char *rclksrc[] = {
+ [0] = "iis",
+ [1] = "sclk_audio2",
+};
+
+static int s5p6440_cfg_i2s(struct platform_device *pdev)
+{
+ switch (pdev->id) {
+ case 0:
+ s3c_gpio_cfgpin_range(S5P6440_GPC(4), 2, S3C_GPIO_SFN(5));
+ s3c_gpio_cfgpin(S5P6440_GPC(7), S3C_GPIO_SFN(5));
+ s3c_gpio_cfgpin_range(S5P6440_GPH(6), 4, S3C_GPIO_SFN(5));
+ break;
+ default:
+ printk(KERN_ERR "Invalid Device %d\n", pdev->id);
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+static struct s3c_audio_pdata s5p6440_i2s_pdata = {
+ .cfg_gpio = s5p6440_cfg_i2s,
+ .type = {
+ .i2s = {
+ .quirks = QUIRK_PRI_6CHAN,
+ .src_clk = rclksrc,
+ },
+ },
+};
+
+static struct resource s5p64x0_i2s0_resource[] = {
+ [0] = {
+ .start = S5P64X0_PA_I2S,
+ .end = S5P64X0_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 = "samsung-i2s",
+ .id = 0,
+ .num_resources = ARRAY_SIZE(s5p64x0_i2s0_resource),
+ .resource = s5p64x0_i2s0_resource,
+ .dev = {
+ .platform_data = &s5p6440_i2s_pdata,
+ },
+};
+
+static int s5p6450_cfg_i2s(struct platform_device *pdev)
+{
+ switch (pdev->id) {
+ case 0:
+ s3c_gpio_cfgpin_range(S5P6450_GPR(4), 5, S3C_GPIO_SFN(5));
+ s3c_gpio_cfgpin_range(S5P6450_GPR(13), 2, S3C_GPIO_SFN(5));
+ break;
+ case 1:
+ s3c_gpio_cfgpin(S5P6440_GPB(4), S3C_GPIO_SFN(5));
+ s3c_gpio_cfgpin_range(S5P6450_GPC(0), 4, S3C_GPIO_SFN(5));
+ break;
+ case 2:
+ s3c_gpio_cfgpin_range(S5P6450_GPK(0), 5, S3C_GPIO_SFN(5));
+ break;
+ default:
+ printk(KERN_ERR "Invalid Device %d\n", pdev->id);
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+static struct s3c_audio_pdata s5p6450_i2s0_pdata = {
+ .cfg_gpio = s5p6450_cfg_i2s,
+ .type = {
+ .i2s = {
+ .quirks = QUIRK_PRI_6CHAN,
+ .src_clk = rclksrc,
+ },
+ },
+};
+
+struct platform_device s5p6450_device_iis0 = {
+ .name = "samsung-i2s",
+ .id = 0,
+ .num_resources = ARRAY_SIZE(s5p64x0_i2s0_resource),
+ .resource = s5p64x0_i2s0_resource,
+ .dev = {
+ .platform_data = &s5p6450_i2s0_pdata,
+ },
+};
+
+static struct s3c_audio_pdata s5p6450_i2s_pdata = {
+ .cfg_gpio = s5p6450_cfg_i2s,
+ .type = {
+ .i2s = {
+ .src_clk = rclksrc,
+ },
+ },
+};
+
+static struct resource s5p6450_i2s1_resource[] = {
+ [0] = {
+ .start = S5P6450_PA_I2S1,
+ .end = S5P6450_PA_I2S1 + 0x100 - 1,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = DMACH_I2S1_TX,
+ .end = DMACH_I2S1_TX,
+ .flags = IORESOURCE_DMA,
+ },
+ [2] = {
+ .start = DMACH_I2S1_RX,
+ .end = DMACH_I2S1_RX,
+ .flags = IORESOURCE_DMA,
+ },
+};
+
+struct platform_device s5p6450_device_iis1 = {
+ .name = "samsung-i2s",
+ .id = 1,
+ .num_resources = ARRAY_SIZE(s5p6450_i2s1_resource),
+ .resource = s5p6450_i2s1_resource,
+ .dev = {
+ .platform_data = &s5p6450_i2s_pdata,
+ },
+};
+
+static struct resource s5p6450_i2s2_resource[] = {
+ [0] = {
+ .start = S5P6450_PA_I2S2,
+ .end = S5P6450_PA_I2S2 + 0x100 - 1,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = DMACH_I2S2_TX,
+ .end = DMACH_I2S2_TX,
+ .flags = IORESOURCE_DMA,
+ },
+ [2] = {
+ .start = DMACH_I2S2_RX,
+ .end = DMACH_I2S2_RX,
+ .flags = IORESOURCE_DMA,
+ },
+};
+
+struct platform_device s5p6450_device_iis2 = {
+ .name = "samsung-i2s",
+ .id = 2,
+ .num_resources = ARRAY_SIZE(s5p6450_i2s2_resource),
+ .resource = s5p6450_i2s2_resource,
+ .dev = {
+ .platform_data = &s5p6450_i2s_pdata,
+ },
+};
+
+/* PCM Controller platform_devices */
+
+static int s5p6440_pcm_cfg_gpio(struct platform_device *pdev)
+{
+ switch (pdev->id) {
+ case 0:
+ s3c_gpio_cfgpin_range(S5P6440_GPR(6), 3, S3C_GPIO_SFN(2));
+ s3c_gpio_cfgpin_range(S5P6440_GPR(13), 2, S3C_GPIO_SFN(2));
+ break;
+
+ default:
+ printk(KERN_DEBUG "Invalid PCM Controller number!");
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+static struct s3c_audio_pdata s5p6440_pcm_pdata = {
+ .cfg_gpio = s5p6440_pcm_cfg_gpio,
+};
+
+static struct resource s5p6440_pcm0_resource[] = {
+ [0] = {
+ .start = S5P64X0_PA_PCM,
+ .end = S5P64X0_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 = &s5p6440_pcm_pdata,
+ },
+};