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ARM: S5PC100: Add audio platform devices
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Define platform devices for all audio devices found on S5PC100

Signed-off-by: Jassi Brar <jassi.brar@samsung.com>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
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Jassi Brar authored and Ben Dooks committed May 20, 2010
1 parent 504d36e commit 9e4ed5c
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3 changes: 3 additions & 0 deletions arch/arm/mach-s5pc100/Makefile
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Expand Up @@ -22,3 +22,6 @@ obj-$(CONFIG_S5PC100_SETUP_SDHCI) += setup-sdhci.o

# machine support
obj-$(CONFIG_MACH_SMDKC100) += mach-smdkc100.o

# device support
obj-y += dev-audio.o
287 changes: 287 additions & 0 deletions arch/arm/mach-s5pc100/dev-audio.c
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@@ -0,0 +1,287 @@
/* 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 <plat/gpio-cfg.h>
#include <plat/audio.h>

#include <mach/gpio.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(S5PC100_GPC(0), S3C_GPIO_SFN(2));
s3c_gpio_cfgpin(S5PC100_GPC(1), S3C_GPIO_SFN(2));
s3c_gpio_cfgpin(S5PC100_GPC(2), S3C_GPIO_SFN(2));
s3c_gpio_cfgpin(S5PC100_GPC(3), S3C_GPIO_SFN(2));
s3c_gpio_cfgpin(S5PC100_GPC(4), S3C_GPIO_SFN(2));
break;

case 2:
s3c_gpio_cfgpin(S5PC100_GPG3(0), S3C_GPIO_SFN(4));
s3c_gpio_cfgpin(S5PC100_GPG3(1), S3C_GPIO_SFN(4));
s3c_gpio_cfgpin(S5PC100_GPG3(2), S3C_GPIO_SFN(4));
s3c_gpio_cfgpin(S5PC100_GPG3(3), S3C_GPIO_SFN(4));
s3c_gpio_cfgpin(S5PC100_GPG3(4), 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(S5PC100_GPG3(0), S3C_GPIO_SFN(5));
s3c_gpio_cfgpin(S5PC100_GPG3(1), S3C_GPIO_SFN(5));
s3c_gpio_cfgpin(S5PC100_GPG3(2), S3C_GPIO_SFN(5));
s3c_gpio_cfgpin(S5PC100_GPG3(3), S3C_GPIO_SFN(5));
s3c_gpio_cfgpin(S5PC100_GPG3(4), S3C_GPIO_SFN(5));
break;

case 1:
s3c_gpio_cfgpin(S5PC100_GPC(0), S3C_GPIO_SFN(3));
s3c_gpio_cfgpin(S5PC100_GPC(1), S3C_GPIO_SFN(3));
s3c_gpio_cfgpin(S5PC100_GPC(2), S3C_GPIO_SFN(3));
s3c_gpio_cfgpin(S5PC100_GPC(3), S3C_GPIO_SFN(3));
s3c_gpio_cfgpin(S5PC100_GPC(4), 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)
{
s3c_gpio_cfgpin(S5PC100_GPC(0), S3C_GPIO_SFN(4));
s3c_gpio_cfgpin(S5PC100_GPC(1), S3C_GPIO_SFN(4));
s3c_gpio_cfgpin(S5PC100_GPC(2), S3C_GPIO_SFN(4));
s3c_gpio_cfgpin(S5PC100_GPC(3), S3C_GPIO_SFN(4));
s3c_gpio_cfgpin(S5PC100_GPC(4), S3C_GPIO_SFN(4));

return 0;
}

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),
},
};
7 changes: 7 additions & 0 deletions arch/arm/mach-s5pc100/include/mach/map.h
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Expand Up @@ -106,6 +106,13 @@
#define S5PC100_PA_I2S1 (0xF2100000)
#define S5PC100_PA_I2S2 (0xF2200000)

/* AC97 */
#define S5PC100_PA_AC97 0xF2300000

/* PCM */
#define S5PC100_PA_PCM0 0xF2400000
#define S5PC100_PA_PCM1 0xF2500000

/* KEYPAD */
#define S5PC100_PA_KEYPAD (0xF3100000)

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7 changes: 7 additions & 0 deletions arch/arm/plat-samsung/include/plat/devs.h
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Expand Up @@ -80,6 +80,13 @@ extern struct platform_device s5p6442_device_iis1;
extern struct platform_device s5p6440_device_pcm;
extern struct platform_device s5p6440_device_iis;

extern struct platform_device s5pc100_device_ac97;
extern struct platform_device s5pc100_device_pcm0;
extern struct platform_device s5pc100_device_pcm1;
extern struct platform_device s5pc100_device_iis0;
extern struct platform_device s5pc100_device_iis1;
extern struct platform_device s5pc100_device_iis2;

/* s3c2440 specific devices */

#ifdef CONFIG_CPU_S3C2440
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