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kernel/linux-imx6_3.14.28/arch/arm/mach-s5pv210/dev-audio.c 5.95 KB
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  /* linux/arch/arm/mach-s5pv210/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 <linux/platform_data/asoc-s3c.h>
  
  #include <mach/map.h>
  #include <mach/dma.h>
  #include <mach/irqs.h>
  
  #define S5PV210_AUDSS_INT_MEM	(0xC0000000)
  
  static int s5pv210_cfg_i2s(struct platform_device *pdev)
  {
  	/* configure GPIO for i2s port */
  	switch (pdev->id) {
  	case 0:
  		s3c_gpio_cfgpin_range(S5PV210_GPI(0), 7, S3C_GPIO_SFN(2));
  		break;
  	case 1:
  		s3c_gpio_cfgpin_range(S5PV210_GPC0(0), 5, S3C_GPIO_SFN(2));
  		break;
  	case 2:
  		s3c_gpio_cfgpin_range(S5PV210_GPC1(0), 5, S3C_GPIO_SFN(4));
  		break;
  	default:
  		printk(KERN_ERR "Invalid Device %d
  ", pdev->id);
  		return -EINVAL;
  	}
  
  	return 0;
  }
  
  static struct s3c_audio_pdata i2sv5_pdata = {
  	.cfg_gpio = s5pv210_cfg_i2s,
  	.type = {
  		.i2s = {
  			.quirks = QUIRK_PRI_6CHAN | QUIRK_SEC_DAI
  					 | QUIRK_NEED_RSTCLR,
  			.idma_addr = S5PV210_AUDSS_INT_MEM,
  		},
  	},
  };
  
  static struct resource s5pv210_iis0_resource[] = {
  	[0] = DEFINE_RES_MEM(S5PV210_PA_IIS0, 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 s5pv210_device_iis0 = {
  	.name = "samsung-i2s",
  	.id = 0,
  	.num_resources	  = ARRAY_SIZE(s5pv210_iis0_resource),
  	.resource	  = s5pv210_iis0_resource,
  	.dev = {
  		.platform_data = &i2sv5_pdata,
  	},
  };
  
  static struct s3c_audio_pdata i2sv3_pdata = {
  	.cfg_gpio = s5pv210_cfg_i2s,
  };
  
  static struct resource s5pv210_iis1_resource[] = {
  	[0] = DEFINE_RES_MEM(S5PV210_PA_IIS1, SZ_256),
  	[1] = DEFINE_RES_DMA(DMACH_I2S1_TX),
  	[2] = DEFINE_RES_DMA(DMACH_I2S1_RX),
  };
  
  struct platform_device s5pv210_device_iis1 = {
  	.name		  = "samsung-i2s",
  	.id		  = 1,
  	.num_resources	  = ARRAY_SIZE(s5pv210_iis1_resource),
  	.resource	  = s5pv210_iis1_resource,
  	.dev = {
  		.platform_data = &i2sv3_pdata,
  	},
  };
  
  static struct resource s5pv210_iis2_resource[] = {
  	[0] = DEFINE_RES_MEM(S5PV210_PA_IIS2, SZ_256),
  	[1] = DEFINE_RES_DMA(DMACH_I2S2_TX),
  	[2] = DEFINE_RES_DMA(DMACH_I2S2_RX),
  };
  
  struct platform_device s5pv210_device_iis2 = {
  	.name		  = "samsung-i2s",
  	.id		  = 2,
  	.num_resources	  = ARRAY_SIZE(s5pv210_iis2_resource),
  	.resource	  = s5pv210_iis2_resource,
  	.dev = {
  		.platform_data = &i2sv3_pdata,
  	},
  };
  
  /* PCM Controller platform_devices */
  
  static int s5pv210_pcm_cfg_gpio(struct platform_device *pdev)
  {
  	switch (pdev->id) {
  	case 0:
  		s3c_gpio_cfgpin_range(S5PV210_GPI(0), 5, S3C_GPIO_SFN(3));
  		break;
  	case 1:
  		s3c_gpio_cfgpin_range(S5PV210_GPC0(0), 5, S3C_GPIO_SFN(3));
  		break;
  	case 2:
  		s3c_gpio_cfgpin_range(S5PV210_GPC1(0), 5, S3C_GPIO_SFN(2));
  		break;
  	default:
  		printk(KERN_DEBUG "Invalid PCM Controller number!");
  		return -EINVAL;
  	}
  
  	return 0;
  }
  
  static struct s3c_audio_pdata s3c_pcm_pdata = {
  	.cfg_gpio = s5pv210_pcm_cfg_gpio,
  };
  
  static struct resource s5pv210_pcm0_resource[] = {
  	[0] = DEFINE_RES_MEM(S5PV210_PA_PCM0, SZ_256),
  	[1] = DEFINE_RES_DMA(DMACH_PCM0_TX),
  	[2] = DEFINE_RES_DMA(DMACH_PCM0_RX),
  };
  
  struct platform_device s5pv210_device_pcm0 = {
  	.name		  = "samsung-pcm",
  	.id		  = 0,
  	.num_resources	  = ARRAY_SIZE(s5pv210_pcm0_resource),
  	.resource	  = s5pv210_pcm0_resource,
  	.dev = {
  		.platform_data = &s3c_pcm_pdata,
  	},
  };
  
  static struct resource s5pv210_pcm1_resource[] = {
  	[0] = DEFINE_RES_MEM(S5PV210_PA_PCM1, SZ_256),
  	[1] = DEFINE_RES_DMA(DMACH_PCM1_TX),
  	[2] = DEFINE_RES_DMA(DMACH_PCM1_RX),
  };
  
  struct platform_device s5pv210_device_pcm1 = {
  	.name		  = "samsung-pcm",
  	.id		  = 1,
  	.num_resources	  = ARRAY_SIZE(s5pv210_pcm1_resource),
  	.resource	  = s5pv210_pcm1_resource,
  	.dev = {
  		.platform_data = &s3c_pcm_pdata,
  	},
  };
  
  static struct resource s5pv210_pcm2_resource[] = {
  	[0] = DEFINE_RES_MEM(S5PV210_PA_PCM2, SZ_256),
  	[1] = DEFINE_RES_DMA(DMACH_PCM2_TX),
  	[2] = DEFINE_RES_DMA(DMACH_PCM2_RX),
  };
  
  struct platform_device s5pv210_device_pcm2 = {
  	.name		  = "samsung-pcm",
  	.id		  = 2,
  	.num_resources	  = ARRAY_SIZE(s5pv210_pcm2_resource),
  	.resource	  = s5pv210_pcm2_resource,
  	.dev = {
  		.platform_data = &s3c_pcm_pdata,
  	},
  };
  
  /* AC97 Controller platform devices */
  
  static int s5pv210_ac97_cfg_gpio(struct platform_device *pdev)
  {
  	return s3c_gpio_cfgpin_range(S5PV210_GPC0(0), 5, S3C_GPIO_SFN(4));
  }
  
  static struct resource s5pv210_ac97_resource[] = {
  	[0] = DEFINE_RES_MEM(S5PV210_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(IRQ_AC97),
  };
  
  static struct s3c_audio_pdata s3c_ac97_pdata = {
  	.cfg_gpio = s5pv210_ac97_cfg_gpio,
  };
  
  static u64 s5pv210_ac97_dmamask = DMA_BIT_MASK(32);
  
  struct platform_device s5pv210_device_ac97 = {
  	.name		  = "samsung-ac97",
  	.id		  = -1,
  	.num_resources	  = ARRAY_SIZE(s5pv210_ac97_resource),
  	.resource	  = s5pv210_ac97_resource,
  	.dev = {
  		.platform_data = &s3c_ac97_pdata,
  		.dma_mask = &s5pv210_ac97_dmamask,
  		.coherent_dma_mask = DMA_BIT_MASK(32),
  	},
  };
  
  /* S/PDIF Controller platform_device */
  
  static int s5pv210_spdif_cfg_gpio(struct platform_device *pdev)
  {
  	s3c_gpio_cfgpin_range(S5PV210_GPC1(0), 2, S3C_GPIO_SFN(3));
  
  	return 0;
  }
  
  static struct resource s5pv210_spdif_resource[] = {
  	[0] = DEFINE_RES_MEM(S5PV210_PA_SPDIF, SZ_256),
  	[1] = DEFINE_RES_DMA(DMACH_SPDIF),
  };
  
  static struct s3c_audio_pdata samsung_spdif_pdata = {
  	.cfg_gpio = s5pv210_spdif_cfg_gpio,
  };
  
  static u64 s5pv210_spdif_dmamask = DMA_BIT_MASK(32);
  
  struct platform_device s5pv210_device_spdif = {
  	.name		= "samsung-spdif",
  	.id		= -1,
  	.num_resources	= ARRAY_SIZE(s5pv210_spdif_resource),
  	.resource	= s5pv210_spdif_resource,
  	.dev = {
  		.platform_data = &samsung_spdif_pdata,
  		.dma_mask = &s5pv210_spdif_dmamask,
  		.coherent_dma_mask = DMA_BIT_MASK(32),
  	},
  };