- 根目录:
- arch
- arm
- mach-exynos
- dev-audio.c
/* 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 <linux/platform_data/asoc-s3c.h>
#include <plat/gpio-cfg.h>
#include <mach/map.h>
#include <mach/dma.h>
#include <mach/irqs.h>
#define EXYNOS4_AUDSS_INT_MEM (0x03000000)
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,
.idma_addr = EXYNOS4_AUDSS_INT_MEM,
},
},
};
static struct resource exynos4_i2s0_resource[] = {
[0] = DEFINE_RES_MEM(EXYNOS4_PA_I2S0, SZ_256),
[1] = DEFINE_RES_DMA(DMACH_I2S0_TX),
[2] = DEFINE_RES_DMA(DMACH_I2S0_RX),
[3] = DEFINE_RES_DMA(DMACH_I2S0S_TX),
};
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 struct s3c_audio_pdata i2sv3_pdata = {
.cfg_gpio = exynos4_cfg_i2s,
.type = {
.i2s = {
.quirks = QUIRK_NO_MUXPSR,
},
},
};
static struct resource exynos4_i2s1_resource[] = {
[0] = DEFINE_RES_MEM(EXYNOS4_PA_I2S1, SZ_256),
[1] = DEFINE_RES_DMA(DMACH_I2S1_TX),
[2] = DEFINE_RES_DMA(DMACH_I2S1_RX),
};
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] = DEFINE_RES_MEM(EXYNOS4_PA_I2S2, SZ_256),
[1] = DEFINE_RES_DMA(DMACH_I2S2_TX),
[2] = DEFINE_RES_DMA(DMACH_I2S2_RX),
};
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] = DEFINE_RES_MEM(EXYNOS4_PA_PCM0, SZ_256),
[1] = DEFINE_RES_DMA(DMACH_PCM0_TX),
[2] = DEFINE_RES_DMA(DMACH_PCM0_RX),
};
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] = DEFINE_RES_MEM(EXYNOS4_PA_PCM1, SZ_256),
[1] = DEFINE_RES_DMA(DMACH_PCM1_TX),
[2] = DEFINE_RES_DMA(DMACH_PCM1_RX),
};
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] = DEFINE_RES_MEM(EXYNOS4_PA_PCM2, SZ_256),
[1] = DEFINE_RES_DMA(DMACH_PCM2_TX),
[2] = DEFINE_RES_DMA(DMACH_PCM2_RX),
};
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] = DEFINE_RES_MEM(EXYNOS4_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(EXYNOS4_IRQ_AC97),
};
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] = DEFINE_RES_MEM(EXYNOS4_PA_SPDIF, SZ_256),
[1] = DEFINE_RES_DMA(DMACH_SPDIF),
};
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),
},
};