arch/arm/mach-exynos/dev-audio.c

   1 /* linux/arch/arm/mach-exynos4/dev-audio.c
   2  *
   3  * Copyright (c) 2011 Samsung Electronics Co., Ltd.
   4  *              http://www.samsung.com
   5  *
   6  * Copyright (c) 2010 Samsung Electronics Co. Ltd
   7  *      Jaswinder Singh <jassi.brar@samsung.com>
   8  *
   9  * This program is free software; you can redistribute it and/or modify
  10  * it under the terms of the GNU General Public License version 2 as
  11  * published by the Free Software Foundation.
  12  */
  13
  14 #include <linux/platform_device.h>
  15 #include <linux/dma-mapping.h>
  16 #include <linux/gpio.h>
  17 #include <linux/platform_data/asoc-s3c.h>
  18
  19 #include <plat/gpio-cfg.h>
  20
  21 #include <mach/map.h>
  22 #include <mach/dma.h>
  23 #include <mach/irqs.h>
  24
  25 #define EXYNOS4_AUDSS_INT_MEM   (0x03000000)
  26
  27 static int exynos4_cfg_i2s(struct platform_device *pdev)
  28 {
  29         /* configure GPIO for i2s port */
  30         switch (pdev->id) {
  31         case 0:
  32                 s3c_gpio_cfgpin_range(EXYNOS4_GPZ(0), 7, S3C_GPIO_SFN(2));
  33                 break;
  34         case 1:
  35                 s3c_gpio_cfgpin_range(EXYNOS4_GPC0(0), 5, S3C_GPIO_SFN(2));
  36                 break;
  37         case 2:
  38                 s3c_gpio_cfgpin_range(EXYNOS4_GPC1(0), 5, S3C_GPIO_SFN(4));
  39                 break;
  40         default:
  41                 printk(KERN_ERR "Invalid Device %d\n", pdev->id);
  42                 return -EINVAL;
  43         }
  44
  45         return 0;
  46 }
  47
  48 static struct s3c_audio_pdata i2sv5_pdata = {
  49         .cfg_gpio = exynos4_cfg_i2s,
  50         .type = {
  51                 .i2s = {
  52                         .quirks = QUIRK_PRI_6CHAN | QUIRK_SEC_DAI
  53                                          | QUIRK_NEED_RSTCLR,
  54                         .idma_addr = EXYNOS4_AUDSS_INT_MEM,
  55                 },
  56         },
  57 };
  58
  59 static struct resource exynos4_i2s0_resource[] = {
  60         [0] = DEFINE_RES_MEM(EXYNOS4_PA_I2S0, SZ_256),
  61         [1] = DEFINE_RES_DMA(DMACH_I2S0_TX),
  62         [2] = DEFINE_RES_DMA(DMACH_I2S0_RX),
  63         [3] = DEFINE_RES_DMA(DMACH_I2S0S_TX),
  64 };
  65
  66 struct platform_device exynos4_device_i2s0 = {
  67         .name = "samsung-i2s",
  68         .id = 0,
  69         .num_resources = ARRAY_SIZE(exynos4_i2s0_resource),
  70         .resource = exynos4_i2s0_resource,
  71         .dev = {
  72                 .platform_data = &i2sv5_pdata,
  73         },
  74 };
  75
  76 static struct s3c_audio_pdata i2sv3_pdata = {
  77         .cfg_gpio = exynos4_cfg_i2s,
  78         .type = {
  79                 .i2s = {
  80                         .quirks = QUIRK_NO_MUXPSR,
  81                 },
  82         },
  83 };
  84
  85 static struct resource exynos4_i2s1_resource[] = {
  86         [0] = DEFINE_RES_MEM(EXYNOS4_PA_I2S1, SZ_256),
  87         [1] = DEFINE_RES_DMA(DMACH_I2S1_TX),
  88         [2] = DEFINE_RES_DMA(DMACH_I2S1_RX),
  89 };
  90
  91 struct platform_device exynos4_device_i2s1 = {
  92         .name = "samsung-i2s",
  93         .id = 1,
  94         .num_resources = ARRAY_SIZE(exynos4_i2s1_resource),
  95         .resource = exynos4_i2s1_resource,
  96         .dev = {
  97                 .platform_data = &i2sv3_pdata,
  98         },
  99 };
 100
 101 static struct resource exynos4_i2s2_resource[] = {
 102         [0] = DEFINE_RES_MEM(EXYNOS4_PA_I2S2, SZ_256),
 103         [1] = DEFINE_RES_DMA(DMACH_I2S2_TX),
 104         [2] = DEFINE_RES_DMA(DMACH_I2S2_RX),
 105 };
 106
 107 struct platform_device exynos4_device_i2s2 = {
 108         .name = "samsung-i2s",
 109         .id = 2,
 110         .num_resources = ARRAY_SIZE(exynos4_i2s2_resource),
 111         .resource = exynos4_i2s2_resource,
 112         .dev = {
 113                 .platform_data = &i2sv3_pdata,
 114         },
 115 };
 116
 117 /* PCM Controller platform_devices */
 118
 119 static int exynos4_pcm_cfg_gpio(struct platform_device *pdev)
 120 {
 121         switch (pdev->id) {
 122         case 0:
 123                 s3c_gpio_cfgpin_range(EXYNOS4_GPZ(0), 5, S3C_GPIO_SFN(3));
 124                 break;
 125         case 1:
 126                 s3c_gpio_cfgpin_range(EXYNOS4_GPC0(0), 5, S3C_GPIO_SFN(3));
 127                 break;
 128         case 2:
 129                 s3c_gpio_cfgpin_range(EXYNOS4_GPC1(0), 5, S3C_GPIO_SFN(3));
 130                 break;
 131         default:
 132                 printk(KERN_DEBUG "Invalid PCM Controller number!");
 133                 return -EINVAL;
 134         }
 135
 136         return 0;
 137 }
 138
 139 static struct s3c_audio_pdata s3c_pcm_pdata = {
 140         .cfg_gpio = exynos4_pcm_cfg_gpio,
 141 };
 142
 143 static struct resource exynos4_pcm0_resource[] = {
 144         [0] = DEFINE_RES_MEM(EXYNOS4_PA_PCM0, SZ_256),
 145         [1] = DEFINE_RES_DMA(DMACH_PCM0_TX),
 146         [2] = DEFINE_RES_DMA(DMACH_PCM0_RX),
 147 };
 148
 149 struct platform_device exynos4_device_pcm0 = {
 150         .name = "samsung-pcm",
 151         .id = 0,
 152         .num_resources = ARRAY_SIZE(exynos4_pcm0_resource),
 153         .resource = exynos4_pcm0_resource,
 154         .dev = {
 155                 .platform_data = &s3c_pcm_pdata,
 156         },
 157 };
 158
 159 static struct resource exynos4_pcm1_resource[] = {
 160         [0] = DEFINE_RES_MEM(EXYNOS4_PA_PCM1, SZ_256),
 161         [1] = DEFINE_RES_DMA(DMACH_PCM1_TX),
 162         [2] = DEFINE_RES_DMA(DMACH_PCM1_RX),
 163 };
 164
 165 struct platform_device exynos4_device_pcm1 = {
 166         .name = "samsung-pcm",
 167         .id = 1,
 168         .num_resources = ARRAY_SIZE(exynos4_pcm1_resource),
 169         .resource = exynos4_pcm1_resource,
 170         .dev = {
 171                 .platform_data = &s3c_pcm_pdata,
 172         },
 173 };
 174
 175 static struct resource exynos4_pcm2_resource[] = {
 176         [0] = DEFINE_RES_MEM(EXYNOS4_PA_PCM2, SZ_256),
 177         [1] = DEFINE_RES_DMA(DMACH_PCM2_TX),
 178         [2] = DEFINE_RES_DMA(DMACH_PCM2_RX),
 179 };
 180
 181 struct platform_device exynos4_device_pcm2 = {
 182         .name = "samsung-pcm",
 183         .id = 2,
 184         .num_resources = ARRAY_SIZE(exynos4_pcm2_resource),
 185         .resource = exynos4_pcm2_resource,
 186         .dev = {
 187                 .platform_data = &s3c_pcm_pdata,
 188         },
 189 };
 190
 191 /* AC97 Controller platform devices */
 192
 193 static int exynos4_ac97_cfg_gpio(struct platform_device *pdev)
 194 {
 195         return s3c_gpio_cfgpin_range(EXYNOS4_GPC0(0), 5, S3C_GPIO_SFN(4));
 196 }
 197
 198 static struct resource exynos4_ac97_resource[] = {
 199         [0] = DEFINE_RES_MEM(EXYNOS4_PA_AC97, SZ_256),
 200         [1] = DEFINE_RES_DMA(DMACH_AC97_PCMOUT),
 201         [2] = DEFINE_RES_DMA(DMACH_AC97_PCMIN),
 202         [3] = DEFINE_RES_DMA(DMACH_AC97_MICIN),
 203         [4] = DEFINE_RES_IRQ(EXYNOS4_IRQ_AC97),
 204 };
 205
 206 static struct s3c_audio_pdata s3c_ac97_pdata = {
 207         .cfg_gpio = exynos4_ac97_cfg_gpio,
 208 };
 209
 210 static u64 exynos4_ac97_dmamask = DMA_BIT_MASK(32);
 211
 212 struct platform_device exynos4_device_ac97 = {
 213         .name = "samsung-ac97",
 214         .id = -1,
 215         .num_resources = ARRAY_SIZE(exynos4_ac97_resource),
 216         .resource = exynos4_ac97_resource,
 217         .dev = {
 218                 .platform_data = &s3c_ac97_pdata,
 219                 .dma_mask = &exynos4_ac97_dmamask,
 220                 .coherent_dma_mask = DMA_BIT_MASK(32),
 221         },
 222 };
 223
 224 /* S/PDIF Controller platform_device */
 225
 226 static int exynos4_spdif_cfg_gpio(struct platform_device *pdev)
 227 {
 228         s3c_gpio_cfgpin_range(EXYNOS4_GPC1(0), 2, S3C_GPIO_SFN(4));
 229
 230         return 0;
 231 }
 232
 233 static struct resource exynos4_spdif_resource[] = {
 234         [0] = DEFINE_RES_MEM(EXYNOS4_PA_SPDIF, SZ_256),
 235         [1] = DEFINE_RES_DMA(DMACH_SPDIF),
 236 };
 237
 238 static struct s3c_audio_pdata samsung_spdif_pdata = {
 239         .cfg_gpio = exynos4_spdif_cfg_gpio,
 240 };
 241
 242 static u64 exynos4_spdif_dmamask = DMA_BIT_MASK(32);
 243
 244 struct platform_device exynos4_device_spdif = {
 245         .name = "samsung-spdif",
 246         .id = -1,
 247         .num_resources = ARRAY_SIZE(exynos4_spdif_resource),
 248         .resource = exynos4_spdif_resource,
 249         .dev = {
 250                 .platform_data = &samsung_spdif_pdata,
 251                 .dma_mask = &exynos4_spdif_dmamask,
 252                 .coherent_dma_mask = DMA_BIT_MASK(32),
 253         },
 254 };