/* 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 <mach/irqs.h>
#include <mach/map.h>
#include <mach/dma.h>
#include <plat/devs.h>
#include <plat/audio.h>
#include <plat/gpio-cfg.h>
#include <mach/gpio-bank-c.h>
#include <mach/gpio-bank-d.h>
#include <mach/gpio-bank-e.h>
#include <mach/gpio-bank-h.h>
static int s3c64xx_i2sv3_cfg_gpio(struct platform_device *pdev)
{
switch (pdev->id) {
case 0:
s3c_gpio_cfgpin(S3C64XX_GPD(0), S3C64XX_GPD0_I2S0_CLK);
s3c_gpio_cfgpin(S3C64XX_GPD(1), S3C64XX_GPD1_I2S0_CDCLK);
s3c_gpio_cfgpin(S3C64XX_GPD(2), S3C64XX_GPD2_I2S0_LRCLK);
s3c_gpio_cfgpin(S3C64XX_GPD(3), S3C64XX_GPD3_I2S0_DI);
s3c_gpio_cfgpin(S3C64XX_GPD(4), S3C64XX_GPD4_I2S0_D0);
break;
case 1:
s3c_gpio_cfgpin(S3C64XX_GPE(0), S3C64XX_GPE0_I2S1_CLK);
s3c_gpio_cfgpin(S3C64XX_GPE(1), S3C64XX_GPE1_I2S1_CDCLK);
s3c_gpio_cfgpin(S3C64XX_GPE(2), S3C64XX_GPE2_I2S1_LRCLK);
s3c_gpio_cfgpin(S3C64XX_GPE(3), S3C64XX_GPE3_I2S1_DI);
s3c_gpio_cfgpin(S3C64XX_GPE(4), S3C64XX_GPE4_I2S1_D0);
default:
printk(KERN_DEBUG "Invalid I2S Controller number!");
return -EINVAL;
}
return 0;
}
static int s3c64xx_i2sv4_cfg_gpio(struct platform_device *pdev)
{
s3c_gpio_cfgpin(S3C64XX_GPC(4), S3C64XX_GPC4_I2S_V40_DO0);
s3c_gpio_cfgpin(S3C64XX_GPC(5), S3C64XX_GPC5_I2S_V40_DO1);
s3c_gpio_cfgpin(S3C64XX_GPC(7), S3C64XX_GPC7_I2S_V40_DO2);
s3c_gpio_cfgpin(S3C64XX_GPH(6), S3C64XX_GPH6_I2S_V40_BCLK);
s3c_gpio_cfgpin(S3C64XX_GPH(7), S3C64XX_GPH7_I2S_V40_CDCLK);
s3c_gpio_cfgpin(S3C64XX_GPH(8), S3C64XX_GPH8_I2S_V40_LRCLK);
s3c_gpio_cfgpin(S3C64XX_GPH(9), S3C64XX_GPH9_I2S_V40_DI);
return 0;
}
static struct resource s3c64xx_iis0_resource[] = {
[0] = {
.start = S3C64XX_PA_IIS0,
.end = S3C64XX_PA_IIS0 + 0x100 - 1,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = DMACH_I2S0_OUT,
.end = DMACH_I2S0_OUT,
.flags = IORESOURCE_DMA,
},
[2] = {
.start = DMACH_I2S0_IN,
.end = DMACH_I2S0_IN,
.flags = IORESOURCE_DMA,
},
};
static struct s3c_audio_pdata s3c_i2s0_pdata = {
.cfg_gpio = s3c64xx_i2sv3_cfg_gpio,
};
struct platform_device s3c64xx_device_iis0 = {
.name = "s3c64xx-iis",
.id = 0,
.num_resources = ARRAY_SIZE(s3c64xx_iis0_resource),
.resource = s3c64xx_iis0_resource,
.dev = {
.platform_data = &s3c_i2s0_pdata,
},
};
EXPORT_SYMBOL(s3c64xx_device_iis0);
static struct resource s3c64xx_iis1_resource[] = {
[0] = {
.start = S3C64XX_PA_IIS1,
.end = S3C64XX_PA_IIS1 + 0x100 - 1,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = DMACH_I2S1_OUT,
.end = DMACH_I2S1_OUT,
.flags = IORESOURCE_DMA,
},
[2] = {
.start = DMACH_I2S1_IN,
.end = DMACH_I2S1_IN,
.flags = IORESOURCE_DMA,
},
};
static struct s3c_audio_pdata s3c_i2s1_pdata = {
.cfg_gpio = s3c64xx_i2sv3_cfg_gpio,
};
struct platform_device s3c64xx_device_iis1 = {
.name = "s3c64xx-iis",
.id = 1,
.num_resources = ARRAY_SIZE(s3c64xx_iis1_resource),
.resource = s3c64xx_iis1_resource,
.dev = {
.platform_data = &s3c_i2s1_pdata,
},
};
EXPORT_SYMBOL(s3c64xx_device_iis1);
static struct resource s3c64xx_iisv4_resource[] = {
[0] = {
.start = S3C64XX_PA_IISV4,
.end = S3C64XX_PA_IISV4 + 0x100 - 1,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = DMACH_HSI_I2SV40_TX,
.end = DMACH_HSI_I2SV40_TX,
.flags = IORESOURCE_DMA,
},
[2] = {
.start = DMACH_HSI_I2SV40_RX,
.end = DMACH_HSI_I2SV40_RX,
.flags = IORESOURCE_DMA,
},
};
static struct s3c_audio_pdata s3c_i2sv4_pdata = {
.cfg_gpio = s3c64xx_i2sv4_cfg_gpio,
};
struct platform_device s3c64xx_device_iisv4 = {
.name = "s3c64xx-iis-v4",
.id = -1,
.num_resources = ARRAY_SIZE(s3c64xx_iisv4_resource),
.resource = s3c64xx_iisv4_resource,
.dev = {
.platform_data = &s3c_i2sv4_pdata,
},
};
EXPORT_SYMBOL(s3c64xx_device_iisv4);
/* PCM Controller platform_devices */
static int s3c64xx_pcm_cfg_gpio(struct platform_device *pdev)
{
switch (pdev->id) {
case 0:
s3c_gpio_cfgpin(S3C64XX_GPD(0), S3C64XX_GPD0_PCM0_SCLK);
s3c_gpio_cfgpin(S3C64XX_GPD(1), S3C64XX_GPD1_PCM0_EXTCLK);
s3c_gpio_cfgpin(S3C64XX_GPD(2), S3C64XX_GPD2_PCM0_FSYNC);
s3c_gpio_cfgpin(S3C64XX_GPD(3), S3C64XX_GPD3_PCM0_SIN);
s3c_gpio_cfgpin(S3C64XX_GPD(4), S3C64XX_GPD4_PCM0_SOUT);
break;
case 1:
s3c_gpio_cfgpin(S3C64XX_GPE(0), S3C64XX_GPE0_PCM1_SCLK);
s3c_gpio_cfgpin(S3C64XX_GPE(1), S3C64XX_GPE1_PCM1_EXTCLK);
s3c_gpio_cfgpin(S3C64XX_GPE(2), S3C64XX_GPE2_PCM1_FSYNC);
s3c_gpio_cfgpin(S3C64XX_GPE(3), S3C64XX_GPE3_PCM1_SIN);
s3c_gpio_cfgpin(S3C64XX_GPE(4), S3C64XX_GPE4_PCM1_SOUT);
break;
default:
printk(KERN_DEBUG "Invalid PCM Controller number!");
return -EINVAL;
}
return 0;
}
static struct resource s3c64xx_pcm0_resource[] = {
[0] = {
.start = S3C64XX_PA_PCM0,
.end = S3C64XX_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,
},
};
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] = {
.start = S3C64XX_PA_PCM1,
.end = S3C64XX_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,
},
};
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)
{
s3c_gpio_cfgpin(S3C64XX_GPD(0), S3C64XX_GPD0_AC97_BITCLK);
s3c_gpio_cfgpin(S3C64XX_GPD(1), S3C64XX_GPD1_AC97_nRESET);
s3c_gpio_cfgpin(S3C64XX_GPD(2), S3C64XX_GPD2_AC97_SYNC);
s3c_gpio_cfgpin(S3C64XX_GPD(3), S3C64XX_GPD3_AC97_SDI);
s3c_gpio_cfgpin(S3C64XX_GPD(4), S3C64XX_GPD4_AC97_SDO);
return 0;
}
static int s3c64xx_ac97_cfg_gpe(struct platform_device *pdev)
{
s3c_gpio_cfgpin(S3C64XX_GPE(0), S3C64XX_GPE0_AC97_BITCLK);
s3c_gpio_cfgpin(S3C64XX_GPE(1), S3C64XX_GPE1_AC97_nRESET);
s3c_gpio_cfgpin(S3C64XX_GPE(2), S3C64XX_GPE2_AC97_SYNC);
s3c_gpio_cfgpin(S3C64XX_GPE(3), S3C64XX_GPE3_AC97_SDI);
s3c_gpio_cfgpin(S3C64XX_GPE(4), S3C64XX_GPE4_AC97_SDO);
return 0;
}
static struct resource s3c64xx_ac97_resource[] = {
[0] = {
.start = S3C64XX_PA_AC97,
.end = S3C64XX_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;
static u64 s3c64xx_ac97_dmamask = DMA_BIT_MASK(32);
struct platform_device s3c64xx_device_ac97 = {
.name = "s3c-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;
}
