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#include <mach/gpio-samsung.h> 26 27static int s3c64xx_i2s_cfg_gpio(struct platform_device *pdev) 28{ 29 unsigned int base; 30 31 switch (pdev->id) { 32 case 0: 33 base = S3C64XX_GPD(0); 34 break; 35 case 1: 36 base = S3C64XX_GPE(0); 37 break; 38 case 2: 39 s3c_gpio_cfgpin(S3C64XX_GPC(4), S3C_GPIO_SFN(5)); 40 s3c_gpio_cfgpin(S3C64XX_GPC(5), S3C_GPIO_SFN(5)); 41 s3c_gpio_cfgpin(S3C64XX_GPC(7), S3C_GPIO_SFN(5)); 42 s3c_gpio_cfgpin_range(S3C64XX_GPH(6), 4, S3C_GPIO_SFN(5)); 43 return 0; 44 default: 45 printk(KERN_DEBUG "Invalid I2S Controller number: %d\n", 46 pdev->id); 47 return -EINVAL; 48 } 49 50 s3c_gpio_cfgpin_range(base, 5, S3C_GPIO_SFN(3)); 51 52 return 0; 53} 54 55static struct resource s3c64xx_iis0_resource[] = { 56 [0] = DEFINE_RES_MEM(S3C64XX_PA_IIS0, SZ_256), 57 [1] = DEFINE_RES_DMA(DMACH_I2S0_OUT), 58 [2] = DEFINE_RES_DMA(DMACH_I2S0_IN), 59}; 60 61static struct s3c_audio_pdata i2sv3_pdata = { 62 .cfg_gpio = s3c64xx_i2s_cfg_gpio, 63}; 64 65struct platform_device s3c64xx_device_iis0 = { 66 .name = "samsung-i2s", 67 .id = 0, 68 .num_resources = ARRAY_SIZE(s3c64xx_iis0_resource), 69 .resource = s3c64xx_iis0_resource, 70 .dev = { 71 .platform_data = &i2sv3_pdata, 72 }, 73}; 74EXPORT_SYMBOL(s3c64xx_device_iis0); 75 76static struct resource s3c64xx_iis1_resource[] = { 77 [0] = DEFINE_RES_MEM(S3C64XX_PA_IIS1, SZ_256), 78 [1] = DEFINE_RES_DMA(DMACH_I2S1_OUT), 79 [2] = DEFINE_RES_DMA(DMACH_I2S1_IN), 80}; 81 82struct platform_device s3c64xx_device_iis1 = { 83 .name = "samsung-i2s", 84 .id = 1, 85 .num_resources = ARRAY_SIZE(s3c64xx_iis1_resource), 86 .resource = s3c64xx_iis1_resource, 87 .dev = { 88 .platform_data = &i2sv3_pdata, 89 }, 90}; 91EXPORT_SYMBOL(s3c64xx_device_iis1); 92 93static struct resource s3c64xx_iisv4_resource[] = { 94 [0] = DEFINE_RES_MEM(S3C64XX_PA_IISV4, SZ_256), 95 [1] = DEFINE_RES_DMA(DMACH_HSI_I2SV40_TX), 96 [2] = DEFINE_RES_DMA(DMACH_HSI_I2SV40_RX), 97}; 98 99static struct s3c_audio_pdata i2sv4_pdata = { 100 .cfg_gpio = s3c64xx_i2s_cfg_gpio, 101 .type = { 102 .i2s = { 103 .quirks = QUIRK_PRI_6CHAN, 104 }, 105 }, 106}; 107 108struct platform_device s3c64xx_device_iisv4 = { 109 .name = "samsung-i2s", 110 .id = 2, 111 .num_resources = ARRAY_SIZE(s3c64xx_iisv4_resource), 112 .resource = s3c64xx_iisv4_resource, 113 .dev = { 114 .platform_data = &i2sv4_pdata, 115 }, 116}; 117EXPORT_SYMBOL(s3c64xx_device_iisv4); 118 119 120/* PCM Controller platform_devices */ 121 122static int s3c64xx_pcm_cfg_gpio(struct platform_device *pdev) 123{ 124 unsigned int base; 125 126 switch (pdev->id) { 127 case 0: 128 base = S3C64XX_GPD(0); 129 break; 130 case 1: 131 base = S3C64XX_GPE(0); 132 break; 133 default: 134 printk(KERN_DEBUG "Invalid PCM Controller number: %d\n", 135 pdev->id); 136 return -EINVAL; 137 } 138 139 s3c_gpio_cfgpin_range(base, 5, S3C_GPIO_SFN(2)); 140 return 0; 141} 142 143static struct resource s3c64xx_pcm0_resource[] = { 144 [0] = DEFINE_RES_MEM(S3C64XX_PA_PCM0, SZ_256), 145 [1] = DEFINE_RES_DMA(DMACH_PCM0_TX), 146 [2] = DEFINE_RES_DMA(DMACH_PCM0_RX), 147}; 148 149static struct s3c_audio_pdata s3c_pcm0_pdata = { 150 .cfg_gpio = s3c64xx_pcm_cfg_gpio, 151}; 152 153struct platform_device s3c64xx_device_pcm0 = { 154 .name = "samsung-pcm", 155 .id = 0, 156 .num_resources = ARRAY_SIZE(s3c64xx_pcm0_resource), 157 .resource = s3c64xx_pcm0_resource, 158 .dev = { 159 .platform_data = &s3c_pcm0_pdata, 160 }, 161}; 162EXPORT_SYMBOL(s3c64xx_device_pcm0); 163 164static struct resource s3c64xx_pcm1_resource[] = { 165 [0] = DEFINE_RES_MEM(S3C64XX_PA_PCM1, SZ_256), 166 [1] = DEFINE_RES_DMA(DMACH_PCM1_TX), 167 [2] = DEFINE_RES_DMA(DMACH_PCM1_RX), 168}; 169 170static struct s3c_audio_pdata s3c_pcm1_pdata = { 171 .cfg_gpio = s3c64xx_pcm_cfg_gpio, 172}; 173 174struct platform_device s3c64xx_device_pcm1 = { 175 .name = "samsung-pcm", 176 .id = 1, 177 .num_resources = ARRAY_SIZE(s3c64xx_pcm1_resource), 178 .resource = s3c64xx_pcm1_resource, 179 .dev = { 180 .platform_data = &s3c_pcm1_pdata, 181 }, 182}; 183EXPORT_SYMBOL(s3c64xx_device_pcm1); 184 185/* AC97 Controller platform devices */ 186 187static int s3c64xx_ac97_cfg_gpd(struct platform_device *pdev) 188{ 189 return s3c_gpio_cfgpin_range(S3C64XX_GPD(0), 5, S3C_GPIO_SFN(4)); 190} 191 192static int s3c64xx_ac97_cfg_gpe(struct platform_device *pdev) 193{ 194 return s3c_gpio_cfgpin_range(S3C64XX_GPE(0), 5, S3C_GPIO_SFN(4)); 195} 196 197static struct resource s3c64xx_ac97_resource[] = { 198 [0] = DEFINE_RES_MEM(S3C64XX_PA_AC97, SZ_256), 199 [1] = DEFINE_RES_DMA(DMACH_AC97_PCMOUT), 200 [2] = DEFINE_RES_DMA(DMACH_AC97_PCMIN), 201 [3] = DEFINE_RES_DMA(DMACH_AC97_MICIN), 202 [4] = DEFINE_RES_IRQ(IRQ_AC97), 203}; 204 205static struct s3c_audio_pdata s3c_ac97_pdata; 206 207static u64 s3c64xx_ac97_dmamask = DMA_BIT_MASK(32); 208 209struct platform_device s3c64xx_device_ac97 = { 210 .name = "samsung-ac97", 211 .id = -1, 212 .num_resources = ARRAY_SIZE(s3c64xx_ac97_resource), 213 .resource = s3c64xx_ac97_resource, 214 .dev = { 215 .platform_data = &s3c_ac97_pdata, 216 .dma_mask = &s3c64xx_ac97_dmamask, 217 .coherent_dma_mask = DMA_BIT_MASK(32), 218 }, 219}; 220EXPORT_SYMBOL(s3c64xx_device_ac97); 221 222void __init s3c64xx_ac97_setup_gpio(int num) 223{ 224 if (num == S3C64XX_AC97_GPD) 225 s3c_ac97_pdata.cfg_gpio = s3c64xx_ac97_cfg_gpd; 226 else 227 s3c_ac97_pdata.cfg_gpio = s3c64xx_ac97_cfg_gpe; 228} 229