1 files changed, 369 insertions, 0 deletions

diff --git a/arch/arm/mach-exynos4/dev-audio.c b/arch/arm/mach-exynos4/dev-audio.c
new file mode 100644
index 00000000000..5a9f9c2e53b
--- /dev/null
+++ b/arch/arm/mach-exynos4/dev-audio.c
@@ -0,0 +1,369 @@
+/* linux/arch/arm/mach-exynos4/dev-audio.c
+ *
+ * Copyright (c) 2011 Samsung Electronics Co., Ltd.
+ *              http://www.samsung.com
+ *
+ * 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>
+#include <mach/regs-audss.h>
+
+static const char *rclksrc[] = {
+        [0] = "busclk",
+        [1] = "i2sclk",
+};
+
+static int exynos4_cfg_i2s(struct platform_device *pdev)
+{
+        /* configure GPIO for i2s port */
+        switch (pdev->id) {
+        case 0:
+                s3c_gpio_cfgpin_range(EXYNOS4_GPZ(0), 7, S3C_GPIO_SFN(2));
+                break;
+        case 1:
+                s3c_gpio_cfgpin_range(EXYNOS4_GPC0(0), 5, S3C_GPIO_SFN(2));
+                break;
+        case 2:
+                s3c_gpio_cfgpin_range(EXYNOS4_GPC1(0), 5, S3C_GPIO_SFN(4));
+                break;
+        default:
+                printk(KERN_ERR "Invalid Device %d\n", pdev->id);
+                return -EINVAL;
+        }
+
+        return 0;
+}
+
+static struct s3c_audio_pdata i2sv5_pdata = {
+        .cfg_gpio = exynos4_cfg_i2s,
+        .type = {
+                .i2s = {
+                        .quirks = QUIRK_PRI_6CHAN | QUIRK_SEC_DAI
+                                         | QUIRK_NEED_RSTCLR,
+                        .src_clk = rclksrc,
+                        .idma_addr = EXYNOS4_AUDSS_INT_MEM,
+                },
+        },
+};
+
+static struct resource exynos4_i2s0_resource[] = {
+        [0] = {
+                .start  = EXYNOS4_PA_I2S0,
+                .end    = EXYNOS4_PA_I2S0 + 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,
+        },
+        [3] = {
+                .start  = DMACH_I2S0S_TX,
+                .end    = DMACH_I2S0S_TX,
+                .flags  = IORESOURCE_DMA,
+        },
+};
+
+struct platform_device exynos4_device_i2s0 = {
+        .name = "samsung-i2s",
+        .id = 0,
+        .num_resources = ARRAY_SIZE(exynos4_i2s0_resource),
+        .resource = exynos4_i2s0_resource,
+        .dev = {
+                .platform_data = &i2sv5_pdata,
+        },
+};
+
+static const char *rclksrc_v3[] = {
+        [0] = "sclk_i2s",
+        [1] = "no_such_clock",
+};
+
+static struct s3c_audio_pdata i2sv3_pdata = {
+        .cfg_gpio = exynos4_cfg_i2s,
+        .type = {
+                .i2s = {
+                        .quirks = QUIRK_NO_MUXPSR,
+                        .src_clk = rclksrc_v3,
+                },
+        },
+};
+
+static struct resource exynos4_i2s1_resource[] = {
+        [0] = {
+                .start  = EXYNOS4_PA_I2S1,
+                .end    = EXYNOS4_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 exynos4_device_i2s1 = {
+        .name = "samsung-i2s",
+        .id = 1,
+        .num_resources = ARRAY_SIZE(exynos4_i2s1_resource),
+        .resource = exynos4_i2s1_resource,
+        .dev = {
+                .platform_data = &i2sv3_pdata,
+        },
+};
+
+static struct resource exynos4_i2s2_resource[] = {
+        [0] = {
+                .start  = EXYNOS4_PA_I2S2,
+                .end    = EXYNOS4_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 exynos4_device_i2s2 = {
+        .name = "samsung-i2s",
+        .id = 2,
+        .num_resources = ARRAY_SIZE(exynos4_i2s2_resource),
+        .resource = exynos4_i2s2_resource,
+        .dev = {
+                .platform_data = &i2sv3_pdata,
+        },
+};
+
+/* PCM Controller platform_devices */
+
+static int exynos4_pcm_cfg_gpio(struct platform_device *pdev)
+{
+        switch (pdev->id) {
+        case 0:
+                s3c_gpio_cfgpin_range(EXYNOS4_GPZ(0), 5, S3C_GPIO_SFN(3));
+                break;
+        case 1:
+                s3c_gpio_cfgpin_range(EXYNOS4_GPC0(0), 5, S3C_GPIO_SFN(3));
+                break;
+        case 2:
+                s3c_gpio_cfgpin_range(EXYNOS4_GPC1(0), 5, S3C_GPIO_SFN(3));
+                break;
+        default:
+                printk(KERN_DEBUG "Invalid PCM Controller number!");
+                return -EINVAL;
+        }
+
+        return 0;
+}
+
+static struct s3c_audio_pdata s3c_pcm_pdata = {
+        .cfg_gpio = exynos4_pcm_cfg_gpio,
+};
+
+static struct resource exynos4_pcm0_resource[] = {
+        [0] = {
+                .start  = EXYNOS4_PA_PCM0,
+                .end    = EXYNOS4_PA_PCM0 + 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 exynos4_device_pcm0 = {
+        .name = "samsung-pcm",
+        .id = 0,
+        .num_resources = ARRAY_SIZE(exynos4_pcm0_resource),
+        .resource = exynos4_pcm0_resource,
+        .dev = {
+                .platform_data = &s3c_pcm_pdata,
+        },
+};
+
+static struct resource exynos4_pcm1_resource[] = {
+        [0] = {
+                .start  = EXYNOS4_PA_PCM1,
+                .end    = EXYNOS4_PA_PCM1 + 0x100 - 1,
+                .flags  = IORESOURCE_MEM,
+        },
+        [1] = {
+                .start  = DMACH_PCM1_TX,
+                .end    = DMACH_PCM1_TX,
+                .flags  = IORESOURCE_DMA,
+        },
+        [2] = {
+                .start  = DMACH_PCM1_RX,
+                .end    = DMACH_PCM1_RX,
+                .flags  = IORESOURCE_DMA,
+        },
+};
+
+struct platform_device exynos4_device_pcm1 = {
+        .name = "samsung-pcm",
+        .id = 1,
+        .num_resources = ARRAY_SIZE(exynos4_pcm1_resource),
+        .resource = exynos4_pcm1_resource,
+        .dev = {
+                .platform_data = &s3c_pcm_pdata,
+        },
+};
+
+static struct resource exynos4_pcm2_resource[] = {
+        [0] = {
+                .start  = EXYNOS4_PA_PCM2,
+                .end    = EXYNOS4_PA_PCM2 + 0x100 - 1,
+                .flags  = IORESOURCE_MEM,
+        },
+        [1] = {
+                .start  = DMACH_PCM2_TX,
+                .end    = DMACH_PCM2_TX,
+                .flags  = IORESOURCE_DMA,
+        },
+        [2] = {
+                .start  = DMACH_PCM2_RX,
+                .end    = DMACH_PCM2_RX,
+                .flags  = IORESOURCE_DMA,
+        },
+};
+
+struct platform_device exynos4_device_pcm2 = {
+        .name = "samsung-pcm",
+        .id = 2,
+        .num_resources = ARRAY_SIZE(exynos4_pcm2_resource),
+        .resource = exynos4_pcm2_resource,
+        .dev = {
+                .platform_data = &s3c_pcm_pdata,
+        },
+};
+
+/* AC97 Controller platform devices */
+
+static int exynos4_ac97_cfg_gpio(struct platform_device *pdev)
+{
+        return s3c_gpio_cfgpin_range(EXYNOS4_GPC0(0), 5, S3C_GPIO_SFN(4));
+}
+
+static struct resource exynos4_ac97_resource[] = {
+        [0] = {
+                .start  = EXYNOS4_PA_AC97,
+                .end    = EXYNOS4_PA_AC97 + 0x100 - 1,
+                .flags  = IORESOURCE_MEM,
+        },
+        [1] = {
+                .start  = DMACH_AC97_PCMOUT,
+                .end    = DMACH_AC97_PCMOUT,
+                .flags  = IORESOURCE_DMA,
+        },
+        [2] = {
+                .start  = DMACH_AC97_PCMIN,
+                .end    = DMACH_AC97_PCMIN,
+                .flags  = IORESOURCE_DMA,
+        },
+        [3] = {
+                .start  = DMACH_AC97_MICIN,
+                .end    = DMACH_AC97_MICIN,
+                .flags  = IORESOURCE_DMA,
+        },
+        [4] = {
+                .start  = IRQ_AC97,
+                .end    = IRQ_AC97,
+                .flags  = IORESOURCE_IRQ,
+        },
+};
+
+static struct s3c_audio_pdata s3c_ac97_pdata = {
+        .cfg_gpio = exynos4_ac97_cfg_gpio,
+};
+
+static u64 exynos4_ac97_dmamask = DMA_BIT_MASK(32);
+
+struct platform_device exynos4_device_ac97 = {
+        .name = "samsung-ac97",
+        .id = -1,
+        .num_resources = ARRAY_SIZE(exynos4_ac97_resource),
+        .resource = exynos4_ac97_resource,
+        .dev = {
+                .platform_data = &s3c_ac97_pdata,
+                .dma_mask = &exynos4_ac97_dmamask,
+                .coherent_dma_mask = DMA_BIT_MASK(32),
+        },
+};
+
+/* S/PDIF Controller platform_device */
+
+static int exynos4_spdif_cfg_gpio(struct platform_device *pdev)
+{
+        s3c_gpio_cfgpin_range(EXYNOS4_GPC1(0), 2, S3C_GPIO_SFN(4));
+
+        return 0;
+}
+
+static struct resource exynos4_spdif_resource[] = {
+        [0] = {
+                .start  = EXYNOS4_PA_SPDIF,
+                .end    = EXYNOS4_PA_SPDIF + 0x100 - 1,
+                .flags  = IORESOURCE_MEM,
+        },
+        [1] = {
+                .start  = DMACH_SPDIF,
+                .end    = DMACH_SPDIF,
+                .flags  = IORESOURCE_DMA,
+        },
+};
+
+static struct s3c_audio_pdata samsung_spdif_pdata = {
+        .cfg_gpio = exynos4_spdif_cfg_gpio,
+};
+
+static u64 exynos4_spdif_dmamask = DMA_BIT_MASK(32);
+
+struct platform_device exynos4_device_spdif = {
+        .name = "samsung-spdif",
+        .id = -1,
+        .num_resources = ARRAY_SIZE(exynos4_spdif_resource),
+        .resource = exynos4_spdif_resource,
+        .dev = {
+                .platform_data = &samsung_spdif_pdata,
+                .dma_mask = &exynos4_spdif_dmamask,
+                .coherent_dma_mask = DMA_BIT_MASK(32),
+        },
+};