linux/arch/arm/mach-s3c64xx/dev-audio.c
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   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 <mach/map.h>
  15#include <mach/dma.h>
  16
  17#include <plat/devs.h>
  18#include <linux/platform_data/asoc-s3c.h>
  19#include <plat/gpio-cfg.h>
  20#include <mach/gpio-samsung.h>
  21
  22static int s3c64xx_i2s_cfg_gpio(struct platform_device *pdev)
  23{
  24        unsigned int base;
  25
  26        switch (pdev->id) {
  27        case 0:
  28                base = S3C64XX_GPD(0);
  29                break;
  30        case 1:
  31                base = S3C64XX_GPE(0);
  32                break;
  33        case 2:
  34                s3c_gpio_cfgpin(S3C64XX_GPC(4), S3C_GPIO_SFN(5));
  35                s3c_gpio_cfgpin(S3C64XX_GPC(5), S3C_GPIO_SFN(5));
  36                s3c_gpio_cfgpin(S3C64XX_GPC(7), S3C_GPIO_SFN(5));
  37                s3c_gpio_cfgpin_range(S3C64XX_GPH(6), 4, S3C_GPIO_SFN(5));
  38                return 0;
  39        default:
  40                printk(KERN_DEBUG "Invalid I2S Controller number: %d\n",
  41                        pdev->id);
  42                return -EINVAL;
  43        }
  44
  45        s3c_gpio_cfgpin_range(base, 5, S3C_GPIO_SFN(3));
  46
  47        return 0;
  48}
  49
  50static struct resource s3c64xx_iis0_resource[] = {
  51        [0] = DEFINE_RES_MEM(S3C64XX_PA_IIS0, SZ_256),
  52};
  53
  54static struct s3c_audio_pdata i2s0_pdata = {
  55        .cfg_gpio = s3c64xx_i2s_cfg_gpio,
  56};
  57
  58struct platform_device s3c64xx_device_iis0 = {
  59        .name             = "samsung-i2s",
  60        .id               = 0,
  61        .num_resources    = ARRAY_SIZE(s3c64xx_iis0_resource),
  62        .resource         = s3c64xx_iis0_resource,
  63        .dev = {
  64                .platform_data = &i2s0_pdata,
  65        },
  66};
  67EXPORT_SYMBOL(s3c64xx_device_iis0);
  68
  69static struct resource s3c64xx_iis1_resource[] = {
  70        [0] = DEFINE_RES_MEM(S3C64XX_PA_IIS1, SZ_256),
  71};
  72
  73static struct s3c_audio_pdata i2s1_pdata = {
  74        .cfg_gpio = s3c64xx_i2s_cfg_gpio,
  75};
  76
  77struct platform_device s3c64xx_device_iis1 = {
  78        .name             = "samsung-i2s",
  79        .id               = 1,
  80        .num_resources    = ARRAY_SIZE(s3c64xx_iis1_resource),
  81        .resource         = s3c64xx_iis1_resource,
  82        .dev = {
  83                .platform_data = &i2s1_pdata,
  84        },
  85};
  86EXPORT_SYMBOL(s3c64xx_device_iis1);
  87
  88static struct resource s3c64xx_iisv4_resource[] = {
  89        [0] = DEFINE_RES_MEM(S3C64XX_PA_IISV4, SZ_256),
  90};
  91
  92static struct s3c_audio_pdata i2sv4_pdata = {
  93        .cfg_gpio = s3c64xx_i2s_cfg_gpio,
  94        .type = {
  95                .quirks = QUIRK_PRI_6CHAN,
  96        },
  97};
  98
  99struct platform_device s3c64xx_device_iisv4 = {
 100        .name = "samsung-i2s",
 101        .id = 2,
 102        .num_resources    = ARRAY_SIZE(s3c64xx_iisv4_resource),
 103        .resource         = s3c64xx_iisv4_resource,
 104        .dev = {
 105                .platform_data = &i2sv4_pdata,
 106        },
 107};
 108EXPORT_SYMBOL(s3c64xx_device_iisv4);
 109
 110
 111/* PCM Controller platform_devices */
 112
 113static int s3c64xx_pcm_cfg_gpio(struct platform_device *pdev)
 114{
 115        unsigned int base;
 116
 117        switch (pdev->id) {
 118        case 0:
 119                base = S3C64XX_GPD(0);
 120                break;
 121        case 1:
 122                base = S3C64XX_GPE(0);
 123                break;
 124        default:
 125                printk(KERN_DEBUG "Invalid PCM Controller number: %d\n",
 126                        pdev->id);
 127                return -EINVAL;
 128        }
 129
 130        s3c_gpio_cfgpin_range(base, 5, S3C_GPIO_SFN(2));
 131        return 0;
 132}
 133
 134static struct resource s3c64xx_pcm0_resource[] = {
 135        [0] = DEFINE_RES_MEM(S3C64XX_PA_PCM0, SZ_256),
 136};
 137
 138static struct s3c_audio_pdata s3c_pcm0_pdata = {
 139        .cfg_gpio = s3c64xx_pcm_cfg_gpio,
 140};
 141
 142struct platform_device s3c64xx_device_pcm0 = {
 143        .name             = "samsung-pcm",
 144        .id               = 0,
 145        .num_resources    = ARRAY_SIZE(s3c64xx_pcm0_resource),
 146        .resource         = s3c64xx_pcm0_resource,
 147        .dev = {
 148                .platform_data = &s3c_pcm0_pdata,
 149        },
 150};
 151EXPORT_SYMBOL(s3c64xx_device_pcm0);
 152
 153static struct resource s3c64xx_pcm1_resource[] = {
 154        [0] = DEFINE_RES_MEM(S3C64XX_PA_PCM1, SZ_256),
 155};
 156
 157static struct s3c_audio_pdata s3c_pcm1_pdata = {
 158        .cfg_gpio = s3c64xx_pcm_cfg_gpio,
 159};
 160
 161struct platform_device s3c64xx_device_pcm1 = {
 162        .name             = "samsung-pcm",
 163        .id               = 1,
 164        .num_resources    = ARRAY_SIZE(s3c64xx_pcm1_resource),
 165        .resource         = s3c64xx_pcm1_resource,
 166        .dev = {
 167                .platform_data = &s3c_pcm1_pdata,
 168        },
 169};
 170EXPORT_SYMBOL(s3c64xx_device_pcm1);
 171
 172/* AC97 Controller platform devices */
 173
 174static int s3c64xx_ac97_cfg_gpd(struct platform_device *pdev)
 175{
 176        return s3c_gpio_cfgpin_range(S3C64XX_GPD(0), 5, S3C_GPIO_SFN(4));
 177}
 178
 179static int s3c64xx_ac97_cfg_gpe(struct platform_device *pdev)
 180{
 181        return s3c_gpio_cfgpin_range(S3C64XX_GPE(0), 5, S3C_GPIO_SFN(4));
 182}
 183
 184static struct resource s3c64xx_ac97_resource[] = {
 185        [0] = DEFINE_RES_MEM(S3C64XX_PA_AC97, SZ_256),
 186        [1] = DEFINE_RES_IRQ(IRQ_AC97),
 187};
 188
 189static struct s3c_audio_pdata s3c_ac97_pdata = {
 190};
 191
 192static u64 s3c64xx_ac97_dmamask = DMA_BIT_MASK(32);
 193
 194struct platform_device s3c64xx_device_ac97 = {
 195        .name             = "samsung-ac97",
 196        .id               = -1,
 197        .num_resources    = ARRAY_SIZE(s3c64xx_ac97_resource),
 198        .resource         = s3c64xx_ac97_resource,
 199        .dev = {
 200                .platform_data = &s3c_ac97_pdata,
 201                .dma_mask = &s3c64xx_ac97_dmamask,
 202                .coherent_dma_mask = DMA_BIT_MASK(32),
 203        },
 204};
 205EXPORT_SYMBOL(s3c64xx_device_ac97);
 206
 207void __init s3c64xx_ac97_setup_gpio(int num)
 208{
 209        if (num == S3C64XX_AC97_GPD)
 210                s3c_ac97_pdata.cfg_gpio = s3c64xx_ac97_cfg_gpd;
 211        else
 212                s3c_ac97_pdata.cfg_gpio = s3c64xx_ac97_cfg_gpe;
 213}
 214