mirror of
https://github.com/torvalds/linux.git
synced 2024-12-04 18:13:04 +00:00
068b432d74
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>
320 lines
6.7 KiB
C
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;
|
|
}
|