arch/arm/mach-s3c/dev-audio-s3c64xx.c

   1 // SPDX-License-Identifier: GPL-2.0
   2 //
   3 // Copyright 2009 Wolfson Microelectronics
   4 //      Mark Brown <broonie@opensource.wolfsonmicro.com>
   5
   6 #include <linux/kernel.h>
   7 #include <linux/string.h>
   8 #include <linux/platform_device.h>
   9 #include <linux/dma-mapping.h>
  10 #include <linux/gpio.h>
  11 #include <linux/export.h>
  12
  13 #include <mach/irqs.h>
  14 #include "map.h"
  15
  16 #include "devs.h"
  17 #include <linux/platform_data/asoc-s3c.h>
  18 #include "gpio-cfg.h"
  19 #include "gpio-samsung.h"
  20
  21 static int s3c64xx_i2s_cfg_gpio(struct platform_device *pdev)
  22 {
  23         unsigned int base;
  24
  25         switch (pdev->id) {
  26         case 0:
  27                 base = S3C64XX_GPD(0);
  28                 break;
  29         case 1:
  30                 base = S3C64XX_GPE(0);
  31                 break;
  32         case 2:
  33                 s3c_gpio_cfgpin(S3C64XX_GPC(4), S3C_GPIO_SFN(5));
  34                 s3c_gpio_cfgpin(S3C64XX_GPC(5), S3C_GPIO_SFN(5));
  35                 s3c_gpio_cfgpin(S3C64XX_GPC(7), S3C_GPIO_SFN(5));
  36                 s3c_gpio_cfgpin_range(S3C64XX_GPH(6), 4, S3C_GPIO_SFN(5));
  37                 return 0;
  38         default:
  39                 printk(KERN_DEBUG "Invalid I2S Controller number: %d\n",
  40                         pdev->id);
  41                 return -EINVAL;
  42         }
  43
  44         s3c_gpio_cfgpin_range(base, 5, S3C_GPIO_SFN(3));
  45
  46         return 0;
  47 }
  48
  49 static struct resource s3c64xx_iis0_resource[] = {
  50         [0] = DEFINE_RES_MEM(S3C64XX_PA_IIS0, SZ_256),
  51 };
  52
  53 static struct s3c_audio_pdata i2s0_pdata = {
  54         .cfg_gpio = s3c64xx_i2s_cfg_gpio,
  55 };
  56
  57 struct platform_device s3c64xx_device_iis0 = {
  58         .name             = "samsung-i2s",
  59         .id               = 0,
  60         .num_resources    = ARRAY_SIZE(s3c64xx_iis0_resource),
  61         .resource         = s3c64xx_iis0_resource,
  62         .dev = {
  63                 .platform_data = &i2s0_pdata,
  64         },
  65 };
  66 EXPORT_SYMBOL(s3c64xx_device_iis0);
  67
  68 static struct resource s3c64xx_iis1_resource[] = {
  69         [0] = DEFINE_RES_MEM(S3C64XX_PA_IIS1, SZ_256),
  70 };
  71
  72 static struct s3c_audio_pdata i2s1_pdata = {
  73         .cfg_gpio = s3c64xx_i2s_cfg_gpio,
  74 };
  75
  76 struct platform_device s3c64xx_device_iis1 = {
  77         .name             = "samsung-i2s",
  78         .id               = 1,
  79         .num_resources    = ARRAY_SIZE(s3c64xx_iis1_resource),
  80         .resource         = s3c64xx_iis1_resource,
  81         .dev = {
  82                 .platform_data = &i2s1_pdata,
  83         },
  84 };
  85 EXPORT_SYMBOL(s3c64xx_device_iis1);
  86
  87 static struct resource s3c64xx_iisv4_resource[] = {
  88         [0] = DEFINE_RES_MEM(S3C64XX_PA_IISV4, SZ_256),
  89 };
  90
  91 static struct s3c_audio_pdata i2sv4_pdata = {
  92         .cfg_gpio = s3c64xx_i2s_cfg_gpio,
  93         .type = {
  94                 .quirks = QUIRK_PRI_6CHAN,
  95         },
  96 };
  97
  98 struct platform_device s3c64xx_device_iisv4 = {
  99         .name = "samsung-i2s",
 100         .id = 2,
 101         .num_resources    = ARRAY_SIZE(s3c64xx_iisv4_resource),
 102         .resource         = s3c64xx_iisv4_resource,
 103         .dev = {
 104                 .platform_data = &i2sv4_pdata,
 105         },
 106 };
 107 EXPORT_SYMBOL(s3c64xx_device_iisv4);
 108
 109
 110 /* PCM Controller platform_devices */
 111
 112 static int s3c64xx_pcm_cfg_gpio(struct platform_device *pdev)
 113 {
 114         unsigned int base;
 115
 116         switch (pdev->id) {
 117         case 0:
 118                 base = S3C64XX_GPD(0);
 119                 break;
 120         case 1:
 121                 base = S3C64XX_GPE(0);
 122                 break;
 123         default:
 124                 printk(KERN_DEBUG "Invalid PCM Controller number: %d\n",
 125                         pdev->id);
 126                 return -EINVAL;
 127         }
 128
 129         s3c_gpio_cfgpin_range(base, 5, S3C_GPIO_SFN(2));
 130         return 0;
 131 }
 132
 133 static struct resource s3c64xx_pcm0_resource[] = {
 134         [0] = DEFINE_RES_MEM(S3C64XX_PA_PCM0, SZ_256),
 135 };
 136
 137 static struct s3c_audio_pdata s3c_pcm0_pdata = {
 138         .cfg_gpio = s3c64xx_pcm_cfg_gpio,
 139 };
 140
 141 struct platform_device s3c64xx_device_pcm0 = {
 142         .name             = "samsung-pcm",
 143         .id               = 0,
 144         .num_resources    = ARRAY_SIZE(s3c64xx_pcm0_resource),
 145         .resource         = s3c64xx_pcm0_resource,
 146         .dev = {
 147                 .platform_data = &s3c_pcm0_pdata,
 148         },
 149 };
 150 EXPORT_SYMBOL(s3c64xx_device_pcm0);
 151
 152 static struct resource s3c64xx_pcm1_resource[] = {
 153         [0] = DEFINE_RES_MEM(S3C64XX_PA_PCM1, SZ_256),
 154 };
 155
 156 static struct s3c_audio_pdata s3c_pcm1_pdata = {
 157         .cfg_gpio = s3c64xx_pcm_cfg_gpio,
 158 };
 159
 160 struct platform_device s3c64xx_device_pcm1 = {
 161         .name             = "samsung-pcm",
 162         .id               = 1,
 163         .num_resources    = ARRAY_SIZE(s3c64xx_pcm1_resource),
 164         .resource         = s3c64xx_pcm1_resource,
 165         .dev = {
 166                 .platform_data = &s3c_pcm1_pdata,
 167         },
 168 };
 169 EXPORT_SYMBOL(s3c64xx_device_pcm1);
 170
 171 /* AC97 Controller platform devices */
 172
 173 static int s3c64xx_ac97_cfg_gpd(struct platform_device *pdev)
 174 {
 175         return s3c_gpio_cfgpin_range(S3C64XX_GPD(0), 5, S3C_GPIO_SFN(4));
 176 }
 177
 178 static int s3c64xx_ac97_cfg_gpe(struct platform_device *pdev)
 179 {
 180         return s3c_gpio_cfgpin_range(S3C64XX_GPE(0), 5, S3C_GPIO_SFN(4));
 181 }
 182
 183 static struct resource s3c64xx_ac97_resource[] = {
 184         [0] = DEFINE_RES_MEM(S3C64XX_PA_AC97, SZ_256),
 185         [1] = DEFINE_RES_IRQ(IRQ_AC97),
 186 };
 187
 188 static struct s3c_audio_pdata s3c_ac97_pdata = {
 189 };
 190
 191 static u64 s3c64xx_ac97_dmamask = DMA_BIT_MASK(32);
 192
 193 struct platform_device s3c64xx_device_ac97 = {
 194         .name             = "samsung-ac97",
 195         .id               = -1,
 196         .num_resources    = ARRAY_SIZE(s3c64xx_ac97_resource),
 197         .resource         = s3c64xx_ac97_resource,
 198         .dev = {
 199                 .platform_data = &s3c_ac97_pdata,
 200                 .dma_mask = &s3c64xx_ac97_dmamask,
 201                 .coherent_dma_mask = DMA_BIT_MASK(32),
 202         },
 203 };
 204 EXPORT_SYMBOL(s3c64xx_device_ac97);
 205
 206 void __init s3c64xx_ac97_setup_gpio(int num)
 207 {
 208         if (num == S3C64XX_AC97_GPD)
 209                 s3c_ac97_pdata.cfg_gpio = s3c64xx_ac97_cfg_gpd;
 210         else
 211                 s3c_ac97_pdata.cfg_gpio = s3c64xx_ac97_cfg_gpe;
 212 }