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Diffstat (limited to 'kernel/arch/arm/mach-s3c64xx/dev-audio.c')
-rw-r--r--kernel/arch/arm/mach-s3c64xx/dev-audio.c228
1 files changed, 228 insertions, 0 deletions
diff --git a/kernel/arch/arm/mach-s3c64xx/dev-audio.c b/kernel/arch/arm/mach-s3c64xx/dev-audio.c
new file mode 100644
index 000000000..ff780a8d8
--- /dev/null
+++ b/kernel/arch/arm/mach-s3c64xx/dev-audio.c
@@ -0,0 +1,228 @@
+/* linux/arch/arm/plat-s3c/dev-audio.c
+ *
+ * Copyright 2009 Wolfson Microelectronics
+ * Mark Brown <broonie@opensource.wolfsonmicro.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/kernel.h>
+#include <linux/string.h>
+#include <linux/platform_device.h>
+#include <linux/dma-mapping.h>
+#include <linux/gpio.h>
+#include <linux/export.h>
+
+#include <mach/irqs.h>
+#include <mach/map.h>
+#include <mach/dma.h>
+
+#include <plat/devs.h>
+#include <linux/platform_data/asoc-s3c.h>
+#include <plat/gpio-cfg.h>
+#include <mach/gpio-samsung.h>
+
+static int s3c64xx_i2s_cfg_gpio(struct platform_device *pdev)
+{
+ unsigned int base;
+
+ switch (pdev->id) {
+ case 0:
+ base = S3C64XX_GPD(0);
+ break;
+ case 1:
+ base = S3C64XX_GPE(0);
+ break;
+ case 2:
+ s3c_gpio_cfgpin(S3C64XX_GPC(4), S3C_GPIO_SFN(5));
+ s3c_gpio_cfgpin(S3C64XX_GPC(5), S3C_GPIO_SFN(5));
+ s3c_gpio_cfgpin(S3C64XX_GPC(7), S3C_GPIO_SFN(5));
+ s3c_gpio_cfgpin_range(S3C64XX_GPH(6), 4, S3C_GPIO_SFN(5));
+ return 0;
+ default:
+ printk(KERN_DEBUG "Invalid I2S Controller number: %d\n",
+ pdev->id);
+ return -EINVAL;
+ }
+
+ s3c_gpio_cfgpin_range(base, 5, S3C_GPIO_SFN(3));
+
+ return 0;
+}
+
+static struct resource s3c64xx_iis0_resource[] = {
+ [0] = DEFINE_RES_MEM(S3C64XX_PA_IIS0, SZ_256),
+ [1] = DEFINE_RES_DMA(DMACH_I2S0_OUT),
+ [2] = DEFINE_RES_DMA(DMACH_I2S0_IN),
+};
+
+static struct s3c_audio_pdata i2sv3_pdata = {
+ .cfg_gpio = s3c64xx_i2s_cfg_gpio,
+};
+
+struct platform_device s3c64xx_device_iis0 = {
+ .name = "samsung-i2s",
+ .id = 0,
+ .num_resources = ARRAY_SIZE(s3c64xx_iis0_resource),
+ .resource = s3c64xx_iis0_resource,
+ .dev = {
+ .platform_data = &i2sv3_pdata,
+ },
+};
+EXPORT_SYMBOL(s3c64xx_device_iis0);
+
+static struct resource s3c64xx_iis1_resource[] = {
+ [0] = DEFINE_RES_MEM(S3C64XX_PA_IIS1, SZ_256),
+ [1] = DEFINE_RES_DMA(DMACH_I2S1_OUT),
+ [2] = DEFINE_RES_DMA(DMACH_I2S1_IN),
+};
+
+struct platform_device s3c64xx_device_iis1 = {
+ .name = "samsung-i2s",
+ .id = 1,
+ .num_resources = ARRAY_SIZE(s3c64xx_iis1_resource),
+ .resource = s3c64xx_iis1_resource,
+ .dev = {
+ .platform_data = &i2sv3_pdata,
+ },
+};
+EXPORT_SYMBOL(s3c64xx_device_iis1);
+
+static struct resource s3c64xx_iisv4_resource[] = {
+ [0] = DEFINE_RES_MEM(S3C64XX_PA_IISV4, SZ_256),
+ [1] = DEFINE_RES_DMA(DMACH_HSI_I2SV40_TX),
+ [2] = DEFINE_RES_DMA(DMACH_HSI_I2SV40_RX),
+};
+
+static struct s3c_audio_pdata i2sv4_pdata = {
+ .cfg_gpio = s3c64xx_i2s_cfg_gpio,
+ .type = {
+ .i2s = {
+ .quirks = QUIRK_PRI_6CHAN,
+ },
+ },
+};
+
+struct platform_device s3c64xx_device_iisv4 = {
+ .name = "samsung-i2s",
+ .id = 2,
+ .num_resources = ARRAY_SIZE(s3c64xx_iisv4_resource),
+ .resource = s3c64xx_iisv4_resource,
+ .dev = {
+ .platform_data = &i2sv4_pdata,
+ },
+};
+EXPORT_SYMBOL(s3c64xx_device_iisv4);
+
+
+/* PCM Controller platform_devices */
+
+static int s3c64xx_pcm_cfg_gpio(struct platform_device *pdev)
+{
+ unsigned int base;
+
+ switch (pdev->id) {
+ case 0:
+ base = S3C64XX_GPD(0);
+ break;
+ case 1:
+ base = S3C64XX_GPE(0);
+ break;
+ default:
+ printk(KERN_DEBUG "Invalid PCM Controller number: %d\n",
+ pdev->id);
+ return -EINVAL;
+ }
+
+ s3c_gpio_cfgpin_range(base, 5, S3C_GPIO_SFN(2));
+ return 0;
+}
+
+static struct resource s3c64xx_pcm0_resource[] = {
+ [0] = DEFINE_RES_MEM(S3C64XX_PA_PCM0, SZ_256),
+ [1] = DEFINE_RES_DMA(DMACH_PCM0_TX),
+ [2] = DEFINE_RES_DMA(DMACH_PCM0_RX),
+};
+
+static struct s3c_audio_pdata s3c_pcm0_pdata = {
+ .cfg_gpio = s3c64xx_pcm_cfg_gpio,
+};
+
+struct platform_device s3c64xx_device_pcm0 = {
+ .name = "samsung-pcm",
+ .id = 0,
+ .num_resources = ARRAY_SIZE(s3c64xx_pcm0_resource),
+ .resource = s3c64xx_pcm0_resource,
+ .dev = {
+ .platform_data = &s3c_pcm0_pdata,
+ },
+};
+EXPORT_SYMBOL(s3c64xx_device_pcm0);
+
+static struct resource s3c64xx_pcm1_resource[] = {
+ [0] = DEFINE_RES_MEM(S3C64XX_PA_PCM1, SZ_256),
+ [1] = DEFINE_RES_DMA(DMACH_PCM1_TX),
+ [2] = DEFINE_RES_DMA(DMACH_PCM1_RX),
+};
+
+static struct s3c_audio_pdata s3c_pcm1_pdata = {
+ .cfg_gpio = s3c64xx_pcm_cfg_gpio,
+};
+
+struct platform_device s3c64xx_device_pcm1 = {
+ .name = "samsung-pcm",
+ .id = 1,
+ .num_resources = ARRAY_SIZE(s3c64xx_pcm1_resource),
+ .resource = s3c64xx_pcm1_resource,
+ .dev = {
+ .platform_data = &s3c_pcm1_pdata,
+ },
+};
+EXPORT_SYMBOL(s3c64xx_device_pcm1);
+
+/* AC97 Controller platform devices */
+
+static int s3c64xx_ac97_cfg_gpd(struct platform_device *pdev)
+{
+ return s3c_gpio_cfgpin_range(S3C64XX_GPD(0), 5, S3C_GPIO_SFN(4));
+}
+
+static int s3c64xx_ac97_cfg_gpe(struct platform_device *pdev)
+{
+ return s3c_gpio_cfgpin_range(S3C64XX_GPE(0), 5, S3C_GPIO_SFN(4));
+}
+
+static struct resource s3c64xx_ac97_resource[] = {
+ [0] = DEFINE_RES_MEM(S3C64XX_PA_AC97, SZ_256),
+ [1] = DEFINE_RES_DMA(DMACH_AC97_PCMOUT),
+ [2] = DEFINE_RES_DMA(DMACH_AC97_PCMIN),
+ [3] = DEFINE_RES_DMA(DMACH_AC97_MICIN),
+ [4] = DEFINE_RES_IRQ(IRQ_AC97),
+};
+
+static struct s3c_audio_pdata s3c_ac97_pdata;
+
+static u64 s3c64xx_ac97_dmamask = DMA_BIT_MASK(32);
+
+struct platform_device s3c64xx_device_ac97 = {
+ .name = "samsung-ac97",
+ .id = -1,
+ .num_resources = ARRAY_SIZE(s3c64xx_ac97_resource),
+ .resource = s3c64xx_ac97_resource,
+ .dev = {
+ .platform_data = &s3c_ac97_pdata,
+ .dma_mask = &s3c64xx_ac97_dmamask,
+ .coherent_dma_mask = DMA_BIT_MASK(32),
+ },
+};
+EXPORT_SYMBOL(s3c64xx_device_ac97);
+
+void __init s3c64xx_ac97_setup_gpio(int num)
+{
+ if (num == S3C64XX_AC97_GPD)
+ s3c_ac97_pdata.cfg_gpio = s3c64xx_ac97_cfg_gpd;
+ else
+ s3c_ac97_pdata.cfg_gpio = s3c64xx_ac97_cfg_gpe;
+}