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
  18 #include <plat/gpio-cfg.h>
  19 #include <plat/audio.h>
  20
  21 #include <mach/map.h>
  22 #include <mach/dma.h>
  23 #include <mach/irqs.h>
  24 #include <mach/regs-audss.h>
  25
  26 static const char *rclksrc[] = {
  27         [0] = "busclk",
  28         [1] = "i2sclk",
  29 };
  30
  31 static int exynos4_cfg_i2s(struct platform_device *pdev)
  32 {
  33         /* configure GPIO for i2s port */
  34         switch (pdev->id) {
  35         case 0:
  36                 s3c_gpio_cfgpin_range(EXYNOS4_GPZ(0), 7, S3C_GPIO_SFN(2));
  37                 break;
  38         case 1:
  39                 s3c_gpio_cfgpin_range(EXYNOS4_GPC0(0), 5, S3C_GPIO_SFN(2));
  40                 break;
  41         case 2:
  42                 s3c_gpio_cfgpin_range(EXYNOS4_GPC1(0), 5, S3C_GPIO_SFN(4));
  43                 break;
  44         default:
  45                 printk(KERN_ERR "Invalid Device %d\n", pdev->id);
  46                 return -EINVAL;
  47         }
  48
  49         return 0;
  50 }
  51
  52 static struct s3c_audio_pdata i2sv5_pdata = {
  53         .cfg_gpio = exynos4_cfg_i2s,
  54         .type = {
  55                 .i2s = {
  56                         .quirks = QUIRK_PRI_6CHAN | QUIRK_SEC_DAI
  57                                          | QUIRK_NEED_RSTCLR,
  58                         .src_clk = rclksrc,
  59                         .idma_addr = EXYNOS4_AUDSS_INT_MEM,
  60                 },
  61         },
  62 };
  63
  64 static struct resource exynos4_i2s0_resource[] = {
  65         [0] = DEFINE_RES_MEM(EXYNOS4_PA_I2S0, SZ_256),
  66         [1] = DEFINE_RES_DMA(DMACH_I2S0_TX),
  67         [2] = DEFINE_RES_DMA(DMACH_I2S0_RX),
  68         [3] = DEFINE_RES_DMA(DMACH_I2S0S_TX),
  69 };
  70
  71 struct platform_device exynos4_device_i2s0 = {
  72         .name = "samsung-i2s",
  73         .id = 0,
  74         .num_resources = ARRAY_SIZE(exynos4_i2s0_resource),
  75         .resource = exynos4_i2s0_resource,
  76         .dev = {
  77                 .platform_data = &i2sv5_pdata,
  78         },
  79 };
  80
  81 static const char *rclksrc_v3[] = {
  82         [0] = "sclk_i2s",
  83         [1] = "no_such_clock",
  84 };
  85
  86 static struct s3c_audio_pdata i2sv3_pdata = {
  87         .cfg_gpio = exynos4_cfg_i2s,
  88         .type = {
  89                 .i2s = {
  90                         .quirks = QUIRK_NO_MUXPSR,
  91                         .src_clk = rclksrc_v3,
  92                 },
  93         },
  94 };
  95
  96 static struct resource exynos4_i2s1_resource[] = {
  97         [0] = DEFINE_RES_MEM(EXYNOS4_PA_I2S1, SZ_256),
  98         [1] = DEFINE_RES_DMA(DMACH_I2S1_TX),
  99         [2] = DEFINE_RES_DMA(DMACH_I2S1_RX),
 100 };
 101
 102 struct platform_device exynos4_device_i2s1 = {
 103         .name = "samsung-i2s",
 104         .id = 1,
 105         .num_resources = ARRAY_SIZE(exynos4_i2s1_resource),
 106         .resource = exynos4_i2s1_resource,
 107         .dev = {
 108                 .platform_data = &i2sv3_pdata,
 109         },
 110 };
 111
 112 static struct resource exynos4_i2s2_resource[] = {
 113         [0] = DEFINE_RES_MEM(EXYNOS4_PA_I2S2, SZ_256),
 114         [1] = DEFINE_RES_DMA(DMACH_I2S2_TX),
 115         [2] = DEFINE_RES_DMA(DMACH_I2S2_RX),
 116 };
 117
 118 struct platform_device exynos4_device_i2s2 = {
 119         .name = "samsung-i2s",
 120         .id = 2,
 121         .num_resources = ARRAY_SIZE(exynos4_i2s2_resource),
 122         .resource = exynos4_i2s2_resource,
 123         .dev = {
 124                 .platform_data = &i2sv3_pdata,
 125         },
 126 };
 127
 128 /* PCM Controller platform_devices */
 129
 130 static int exynos4_pcm_cfg_gpio(struct platform_device *pdev)
 131 {
 132         switch (pdev->id) {
 133         case 0:
 134                 s3c_gpio_cfgpin_range(EXYNOS4_GPZ(0), 5, S3C_GPIO_SFN(3));
 135                 break;
 136         case 1:
 137                 s3c_gpio_cfgpin_range(EXYNOS4_GPC0(0), 5, S3C_GPIO_SFN(3));
 138                 break;
 139         case 2:
 140                 s3c_gpio_cfgpin_range(EXYNOS4_GPC1(0), 5, S3C_GPIO_SFN(3));
 141                 break;
 142         default:
 143                 printk(KERN_DEBUG "Invalid PCM Controller number!");
 144                 return -EINVAL;
 145         }
 146
 147         return 0;
 148 }
 149
 150 static struct s3c_audio_pdata s3c_pcm_pdata = {
 151         .cfg_gpio = exynos4_pcm_cfg_gpio,
 152 };
 153
 154 static struct resource exynos4_pcm0_resource[] = {
 155         [0] = DEFINE_RES_MEM(EXYNOS4_PA_PCM0, SZ_256),
 156         [1] = DEFINE_RES_DMA(DMACH_PCM0_TX),
 157         [2] = DEFINE_RES_DMA(DMACH_PCM0_RX),
 158 };
 159
 160 struct platform_device exynos4_device_pcm0 = {
 161         .name = "samsung-pcm",
 162         .id = 0,
 163         .num_resources = ARRAY_SIZE(exynos4_pcm0_resource),
 164         .resource = exynos4_pcm0_resource,
 165         .dev = {
 166                 .platform_data = &s3c_pcm_pdata,
 167         },
 168 };
 169
 170 static struct resource exynos4_pcm1_resource[] = {
 171         [0] = DEFINE_RES_MEM(EXYNOS4_PA_PCM1, SZ_256),
 172         [1] = DEFINE_RES_DMA(DMACH_PCM1_TX),
 173         [2] = DEFINE_RES_DMA(DMACH_PCM1_RX),
 174 };
 175
 176 struct platform_device exynos4_device_pcm1 = {
 177         .name = "samsung-pcm",
 178         .id = 1,
 179         .num_resources = ARRAY_SIZE(exynos4_pcm1_resource),
 180         .resource = exynos4_pcm1_resource,
 181         .dev = {
 182                 .platform_data = &s3c_pcm_pdata,
 183         },
 184 };
 185
 186 static struct resource exynos4_pcm2_resource[] = {
 187         [0] = DEFINE_RES_MEM(EXYNOS4_PA_PCM2, SZ_256),
 188         [1] = DEFINE_RES_DMA(DMACH_PCM2_TX),
 189         [2] = DEFINE_RES_DMA(DMACH_PCM2_RX),
 190 };
 191
 192 struct platform_device exynos4_device_pcm2 = {
 193         .name = "samsung-pcm",
 194         .id = 2,
 195         .num_resources = ARRAY_SIZE(exynos4_pcm2_resource),
 196         .resource = exynos4_pcm2_resource,
 197         .dev = {
 198                 .platform_data = &s3c_pcm_pdata,
 199         },
 200 };
 201
 202 /* AC97 Controller platform devices */
 203
 204 static int exynos4_ac97_cfg_gpio(struct platform_device *pdev)
 205 {
 206         return s3c_gpio_cfgpin_range(EXYNOS4_GPC0(0), 5, S3C_GPIO_SFN(4));
 207 }
 208
 209 static struct resource exynos4_ac97_resource[] = {
 210         [0] = DEFINE_RES_MEM(EXYNOS4_PA_AC97, SZ_256),
 211         [1] = DEFINE_RES_DMA(DMACH_AC97_PCMOUT),
 212         [2] = DEFINE_RES_DMA(DMACH_AC97_PCMIN),
 213         [3] = DEFINE_RES_DMA(DMACH_AC97_MICIN),
 214         [4] = DEFINE_RES_IRQ(EXYNOS4_IRQ_AC97),
 215 };
 216
 217 static struct s3c_audio_pdata s3c_ac97_pdata = {
 218         .cfg_gpio = exynos4_ac97_cfg_gpio,
 219 };
 220
 221 static u64 exynos4_ac97_dmamask = DMA_BIT_MASK(32);
 222
 223 struct platform_device exynos4_device_ac97 = {
 224         .name = "samsung-ac97",
 225         .id = -1,
 226         .num_resources = ARRAY_SIZE(exynos4_ac97_resource),
 227         .resource = exynos4_ac97_resource,
 228         .dev = {
 229                 .platform_data = &s3c_ac97_pdata,
 230                 .dma_mask = &exynos4_ac97_dmamask,
 231                 .coherent_dma_mask = DMA_BIT_MASK(32),
 232         },
 233 };
 234
 235 /* S/PDIF Controller platform_device */
 236
 237 static int exynos4_spdif_cfg_gpio(struct platform_device *pdev)
 238 {
 239         s3c_gpio_cfgpin_range(EXYNOS4_GPC1(0), 2, S3C_GPIO_SFN(4));
 240
 241         return 0;
 242 }
 243
 244 static struct resource exynos4_spdif_resource[] = {
 245         [0] = DEFINE_RES_MEM(EXYNOS4_PA_SPDIF, SZ_256),
 246         [1] = DEFINE_RES_DMA(DMACH_SPDIF),
 247 };
 248
 249 static struct s3c_audio_pdata samsung_spdif_pdata = {
 250         .cfg_gpio = exynos4_spdif_cfg_gpio,
 251 };
 252
 253 static u64 exynos4_spdif_dmamask = DMA_BIT_MASK(32);
 254
 255 struct platform_device exynos4_device_spdif = {
 256         .name = "samsung-spdif",
 257         .id = -1,
 258         .num_resources = ARRAY_SIZE(exynos4_spdif_resource),
 259         .resource = exynos4_spdif_resource,
 260         .dev = {
 261                 .platform_data = &samsung_spdif_pdata,
 262                 .dma_mask = &exynos4_spdif_dmamask,
 263                 .coherent_dma_mask = DMA_BIT_MASK(32),
 264         },
 265 };