linux/arch/arm/mach-s5pc100/dev-audio.c
Seungwhan Youn 068b432d74 ARM: S5PC100: Add S/PDIF platform device
This patch add S/PDIF platform device to support S/PDIF PCM audio
on S5PC100.

Signed-off-by: Seungwhan Youn <sw.youn@samsung.com>
Acked-by: Jassi Brar <jassi.brar@samsung.com>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
2010-10-25 16:05:11 +09:00

320 lines
6.7 KiB
C

/* linux/arch/arm/mach-s5pc100/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 int s5pc100_cfg_i2s(struct platform_device *pdev)
{
/* configure GPIO for i2s port */
switch (pdev->id) {
case 1:
s3c_gpio_cfgpin_range(S5PC100_GPC(0), 5, S3C_GPIO_SFN(2));
break;
case 2:
s3c_gpio_cfgpin_range(S5PC100_GPG3(0), 5, S3C_GPIO_SFN(4));
break;
case -1: /* Dedicated pins */
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 = s5pc100_cfg_i2s,
};
static struct resource s5pc100_iis0_resource[] = {
[0] = {
.start = S5PC100_PA_I2S0,
.end = S5PC100_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,
},
};
struct platform_device s5pc100_device_iis0 = {
.name = "s3c64xx-iis-v4",
.id = -1,
.num_resources = ARRAY_SIZE(s5pc100_iis0_resource),
.resource = s5pc100_iis0_resource,
.dev = {
.platform_data = &s3c_i2s_pdata,
},
};
static struct resource s5pc100_iis1_resource[] = {
[0] = {
.start = S5PC100_PA_I2S1,
.end = S5PC100_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 s5pc100_device_iis1 = {
.name = "s3c64xx-iis",
.id = 1,
.num_resources = ARRAY_SIZE(s5pc100_iis1_resource),
.resource = s5pc100_iis1_resource,
.dev = {
.platform_data = &s3c_i2s_pdata,
},
};
static struct resource s5pc100_iis2_resource[] = {
[0] = {
.start = S5PC100_PA_I2S2,
.end = S5PC100_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 s5pc100_device_iis2 = {
.name = "s3c64xx-iis",
.id = 2,
.num_resources = ARRAY_SIZE(s5pc100_iis2_resource),
.resource = s5pc100_iis2_resource,
.dev = {
.platform_data = &s3c_i2s_pdata,
},
};
/* PCM Controller platform_devices */
static int s5pc100_pcm_cfg_gpio(struct platform_device *pdev)
{
switch (pdev->id) {
case 0:
s3c_gpio_cfgpin_range(S5PC100_GPG3(0), 5, S3C_GPIO_SFN(5));
break;
case 1:
s3c_gpio_cfgpin_range(S5PC100_GPC(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 = s5pc100_pcm_cfg_gpio,
};
static struct resource s5pc100_pcm0_resource[] = {
[0] = {
.start = S5PC100_PA_PCM0,
.end = S5PC100_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 s5pc100_device_pcm0 = {
.name = "samsung-pcm",
.id = 0,
.num_resources = ARRAY_SIZE(s5pc100_pcm0_resource),
.resource = s5pc100_pcm0_resource,
.dev = {
.platform_data = &s3c_pcm_pdata,
},
};
static struct resource s5pc100_pcm1_resource[] = {
[0] = {
.start = S5PC100_PA_PCM1,
.end = S5PC100_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 s5pc100_device_pcm1 = {
.name = "samsung-pcm",
.id = 1,
.num_resources = ARRAY_SIZE(s5pc100_pcm1_resource),
.resource = s5pc100_pcm1_resource,
.dev = {
.platform_data = &s3c_pcm_pdata,
},
};
/* AC97 Controller platform devices */
static int s5pc100_ac97_cfg_gpio(struct platform_device *pdev)
{
return s3c_gpio_cfgpin_range(S5PC100_GPC(0), 5, S3C_GPIO_SFN(4));
}
static struct resource s5pc100_ac97_resource[] = {
[0] = {
.start = S5PC100_PA_AC97,
.end = S5PC100_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 = s5pc100_ac97_cfg_gpio,
};
static u64 s5pc100_ac97_dmamask = DMA_BIT_MASK(32);
struct platform_device s5pc100_device_ac97 = {
.name = "s3c-ac97",
.id = -1,
.num_resources = ARRAY_SIZE(s5pc100_ac97_resource),
.resource = s5pc100_ac97_resource,
.dev = {
.platform_data = &s3c_ac97_pdata,
.dma_mask = &s5pc100_ac97_dmamask,
.coherent_dma_mask = DMA_BIT_MASK(32),
},
};
/* S/PDIF Controller platform_device */
static int s5pc100_spdif_cfg_gpd(struct platform_device *pdev)
{
s3c_gpio_cfgpin_range(S5PC100_GPD(5), 2, S3C_GPIO_SFN(3));
return 0;
}
static int s5pc100_spdif_cfg_gpg3(struct platform_device *pdev)
{
s3c_gpio_cfgpin_range(S5PC100_GPG3(5), 2, S3C_GPIO_SFN(3));
return 0;
}
static struct resource s5pc100_spdif_resource[] = {
[0] = {
.start = S5PC100_PA_SPDIF,
.end = S5PC100_PA_SPDIF + 0x100 - 1,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = DMACH_SPDIF,
.end = DMACH_SPDIF,
.flags = IORESOURCE_DMA,
},
};
static struct s3c_audio_pdata s5p_spdif_pdata = {
.cfg_gpio = s5pc100_spdif_cfg_gpd,
};
static u64 s5pc100_spdif_dmamask = DMA_BIT_MASK(32);
struct platform_device s5pc100_device_spdif = {
.name = "samsung-spdif",
.id = -1,
.num_resources = ARRAY_SIZE(s5pc100_spdif_resource),
.resource = s5pc100_spdif_resource,
.dev = {
.platform_data = &s5p_spdif_pdata,
.dma_mask = &s5pc100_spdif_dmamask,
.coherent_dma_mask = DMA_BIT_MASK(32),
},
};
void __init s5pc100_spdif_setup_gpio(int gpio)
{
if (gpio == S5PC100_SPDIF_GPD)
s5p_spdif_pdata.cfg_gpio = s5pc100_spdif_cfg_gpd;
else
s5p_spdif_pdata.cfg_gpio = s5pc100_spdif_cfg_gpg3;
}