linux/arch/arm/mach-s3c64xx/dev-audio.c
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   1/* linux/arch/arm/plat-s3c/dev-audio.c
   2 *
   3 * Copyright 2009 Wolfson Microelectronics
   4 *      Mark Brown <broonie@opensource.wolfsonmicro.com>
   5 *
   6 * This program is free software; you can redistribute it and/or modify
   7 * it under the terms of the GNU General Public License version 2 as
   8 * published by the Free Software Foundation.
   9 */
  10
  11#include <linux/kernel.h>
  12#include <linux/string.h>
  13#include <linux/platform_device.h>
  14#include <linux/dma-mapping.h>
  15#include <linux/gpio.h>
  16#include <linux/export.h>
  17
  18#include <mach/irqs.h>
  19#include <mach/map.h>
  20#include <mach/dma.h>
  21
  22#include <plat/devs.h>
  23#include <linux/platform_data/asoc-s3c.h>
  24#include <plat/gpio-cfg.h>
  25
  26static int s3c64xx_i2s_cfg_gpio(struct platform_device *pdev)
  27{
  28        unsigned int base;
  29
  30        switch (pdev->id) {
  31        case 0:
  32                base = S3C64XX_GPD(0);
  33                break;
  34        case 1:
  35                base = S3C64XX_GPE(0);
  36                break;
  37        case 2:
  38                s3c_gpio_cfgpin(S3C64XX_GPC(4), S3C_GPIO_SFN(5));
  39                s3c_gpio_cfgpin(S3C64XX_GPC(5), S3C_GPIO_SFN(5));
  40                s3c_gpio_cfgpin(S3C64XX_GPC(7), S3C_GPIO_SFN(5));
  41                s3c_gpio_cfgpin_range(S3C64XX_GPH(6), 4, S3C_GPIO_SFN(5));
  42                return 0;
  43        default:
  44                printk(KERN_DEBUG "Invalid I2S Controller number: %d\n",
  45                        pdev->id);
  46                return -EINVAL;
  47        }
  48
  49        s3c_gpio_cfgpin_range(base, 5, S3C_GPIO_SFN(3));
  50
  51        return 0;
  52}
  53
  54static struct resource s3c64xx_iis0_resource[] = {
  55        [0] = DEFINE_RES_MEM(S3C64XX_PA_IIS0, SZ_256),
  56        [1] = DEFINE_RES_DMA(DMACH_I2S0_OUT),
  57        [2] = DEFINE_RES_DMA(DMACH_I2S0_IN),
  58};
  59
  60static struct s3c_audio_pdata i2sv3_pdata = {
  61        .cfg_gpio = s3c64xx_i2s_cfg_gpio,
  62};
  63
  64struct platform_device s3c64xx_device_iis0 = {
  65        .name             = "samsung-i2s",
  66        .id               = 0,
  67        .num_resources    = ARRAY_SIZE(s3c64xx_iis0_resource),
  68        .resource         = s3c64xx_iis0_resource,
  69        .dev = {
  70                .platform_data = &i2sv3_pdata,
  71        },
  72};
  73EXPORT_SYMBOL(s3c64xx_device_iis0);
  74
  75static struct resource s3c64xx_iis1_resource[] = {
  76        [0] = DEFINE_RES_MEM(S3C64XX_PA_IIS1, SZ_256),
  77        [1] = DEFINE_RES_DMA(DMACH_I2S1_OUT),
  78        [2] = DEFINE_RES_DMA(DMACH_I2S1_IN),
  79};
  80
  81struct platform_device s3c64xx_device_iis1 = {
  82        .name             = "samsung-i2s",
  83        .id               = 1,
  84        .num_resources    = ARRAY_SIZE(s3c64xx_iis1_resource),
  85        .resource         = s3c64xx_iis1_resource,
  86        .dev = {
  87                .platform_data = &i2sv3_pdata,
  88        },
  89};
  90EXPORT_SYMBOL(s3c64xx_device_iis1);
  91
  92static struct resource s3c64xx_iisv4_resource[] = {
  93        [0] = DEFINE_RES_MEM(S3C64XX_PA_IISV4, SZ_256),
  94        [1] = DEFINE_RES_DMA(DMACH_HSI_I2SV40_TX),
  95        [2] = DEFINE_RES_DMA(DMACH_HSI_I2SV40_RX),
  96};
  97
  98static struct s3c_audio_pdata i2sv4_pdata = {
  99        .cfg_gpio = s3c64xx_i2s_cfg_gpio,
 100        .type = {
 101                .i2s = {
 102                        .quirks = QUIRK_PRI_6CHAN,
 103                },
 104        },
 105};
 106
 107struct platform_device s3c64xx_device_iisv4 = {
 108        .name = "samsung-i2s",
 109        .id = 2,
 110        .num_resources    = ARRAY_SIZE(s3c64xx_iisv4_resource),
 111        .resource         = s3c64xx_iisv4_resource,
 112        .dev = {
 113                .platform_data = &i2sv4_pdata,
 114        },
 115};
 116EXPORT_SYMBOL(s3c64xx_device_iisv4);
 117
 118
 119/* PCM Controller platform_devices */
 120
 121static int s3c64xx_pcm_cfg_gpio(struct platform_device *pdev)
 122{
 123        unsigned int base;
 124
 125        switch (pdev->id) {
 126        case 0:
 127                base = S3C64XX_GPD(0);
 128                break;
 129        case 1:
 130                base = S3C64XX_GPE(0);
 131                break;
 132        default:
 133                printk(KERN_DEBUG "Invalid PCM Controller number: %d\n",
 134                        pdev->id);
 135                return -EINVAL;
 136        }
 137
 138        s3c_gpio_cfgpin_range(base, 5, S3C_GPIO_SFN(2));
 139        return 0;
 140}
 141
 142static struct resource s3c64xx_pcm0_resource[] = {
 143        [0] = DEFINE_RES_MEM(S3C64XX_PA_PCM0, SZ_256),
 144        [1] = DEFINE_RES_DMA(DMACH_PCM0_TX),
 145        [2] = DEFINE_RES_DMA(DMACH_PCM0_RX),
 146};
 147
 148static struct s3c_audio_pdata s3c_pcm0_pdata = {
 149        .cfg_gpio = s3c64xx_pcm_cfg_gpio,
 150};
 151
 152struct platform_device s3c64xx_device_pcm0 = {
 153        .name             = "samsung-pcm",
 154        .id               = 0,
 155        .num_resources    = ARRAY_SIZE(s3c64xx_pcm0_resource),
 156        .resource         = s3c64xx_pcm0_resource,
 157        .dev = {
 158                .platform_data = &s3c_pcm0_pdata,
 159        },
 160};
 161EXPORT_SYMBOL(s3c64xx_device_pcm0);
 162
 163static struct resource s3c64xx_pcm1_resource[] = {
 164        [0] = DEFINE_RES_MEM(S3C64XX_PA_PCM1, SZ_256),
 165        [1] = DEFINE_RES_DMA(DMACH_PCM1_TX),
 166        [2] = DEFINE_RES_DMA(DMACH_PCM1_RX),
 167};
 168
 169static struct s3c_audio_pdata s3c_pcm1_pdata = {
 170        .cfg_gpio = s3c64xx_pcm_cfg_gpio,
 171};
 172
 173struct platform_device s3c64xx_device_pcm1 = {
 174        .name             = "samsung-pcm",
 175        .id               = 1,
 176        .num_resources    = ARRAY_SIZE(s3c64xx_pcm1_resource),
 177        .resource         = s3c64xx_pcm1_resource,
 178        .dev = {
 179                .platform_data = &s3c_pcm1_pdata,
 180        },
 181};
 182EXPORT_SYMBOL(s3c64xx_device_pcm1);
 183
 184/* AC97 Controller platform devices */
 185
 186static int s3c64xx_ac97_cfg_gpd(struct platform_device *pdev)
 187{
 188        return s3c_gpio_cfgpin_range(S3C64XX_GPD(0), 5, S3C_GPIO_SFN(4));
 189}
 190
 191static int s3c64xx_ac97_cfg_gpe(struct platform_device *pdev)
 192{
 193        return s3c_gpio_cfgpin_range(S3C64XX_GPE(0), 5, S3C_GPIO_SFN(4));
 194}
 195
 196static struct resource s3c64xx_ac97_resource[] = {
 197        [0] = DEFINE_RES_MEM(S3C64XX_PA_AC97, SZ_256),
 198        [1] = DEFINE_RES_DMA(DMACH_AC97_PCMOUT),
 199        [2] = DEFINE_RES_DMA(DMACH_AC97_PCMIN),
 200        [3] = DEFINE_RES_DMA(DMACH_AC97_MICIN),
 201        [4] = DEFINE_RES_IRQ(IRQ_AC97),
 202};
 203
 204static struct s3c_audio_pdata s3c_ac97_pdata;
 205
 206static u64 s3c64xx_ac97_dmamask = DMA_BIT_MASK(32);
 207
 208struct platform_device s3c64xx_device_ac97 = {
 209        .name             = "samsung-ac97",
 210        .id               = -1,
 211        .num_resources    = ARRAY_SIZE(s3c64xx_ac97_resource),
 212        .resource         = s3c64xx_ac97_resource,
 213        .dev = {
 214                .platform_data = &s3c_ac97_pdata,
 215                .dma_mask = &s3c64xx_ac97_dmamask,
 216                .coherent_dma_mask = DMA_BIT_MASK(32),
 217        },
 218};
 219EXPORT_SYMBOL(s3c64xx_device_ac97);
 220
 221void __init s3c64xx_ac97_setup_gpio(int num)
 222{
 223        if (num == S3C64XX_AC97_GPD)
 224                s3c_ac97_pdata.cfg_gpio = s3c64xx_ac97_cfg_gpd;
 225        else
 226                s3c_ac97_pdata.cfg_gpio = s3c64xx_ac97_cfg_gpe;
 227}
 228