| /* linux/arch/arm/plat-s3c/dev-audio.c |
| * |
| * Copyright 2009 Wolfson Microelectronics |
| * Mark Brown <broonie@opensource.wolfsonmicro.com> |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License version 2 as |
| * published by the Free Software Foundation. |
| */ |
| |
| #include <linux/kernel.h> |
| #include <linux/string.h> |
| #include <linux/platform_device.h> |
| #include <linux/dma-mapping.h> |
| #include <linux/gpio.h> |
| #include <linux/export.h> |
| |
| #include <mach/irqs.h> |
| #include <mach/map.h> |
| #include <mach/dma.h> |
| |
| #include <plat/devs.h> |
| #include <plat/audio.h> |
| #include <plat/gpio-cfg.h> |
| |
| static const char *rclksrc[] = { |
| [0] = "iis", |
| [1] = "audio-bus", |
| }; |
| |
| static int s3c64xx_i2s_cfg_gpio(struct platform_device *pdev) |
| { |
| unsigned int base; |
| |
| switch (pdev->id) { |
| case 0: |
| base = S3C64XX_GPD(0); |
| break; |
| case 1: |
| base = S3C64XX_GPE(0); |
| break; |
| case 2: |
| s3c_gpio_cfgpin(S3C64XX_GPC(4), S3C_GPIO_SFN(5)); |
| s3c_gpio_cfgpin(S3C64XX_GPC(5), S3C_GPIO_SFN(5)); |
| s3c_gpio_cfgpin(S3C64XX_GPC(7), S3C_GPIO_SFN(5)); |
| s3c_gpio_cfgpin_range(S3C64XX_GPH(6), 4, S3C_GPIO_SFN(5)); |
| return 0; |
| default: |
| printk(KERN_DEBUG "Invalid I2S Controller number: %d\n", |
| pdev->id); |
| return -EINVAL; |
| } |
| |
| s3c_gpio_cfgpin_range(base, 5, S3C_GPIO_SFN(3)); |
| |
| return 0; |
| } |
| |
| static struct resource s3c64xx_iis0_resource[] = { |
| [0] = DEFINE_RES_MEM(S3C64XX_PA_IIS0, SZ_256), |
| [1] = DEFINE_RES_DMA(DMACH_I2S0_OUT), |
| [2] = DEFINE_RES_DMA(DMACH_I2S0_IN), |
| }; |
| |
| static struct s3c_audio_pdata i2sv3_pdata = { |
| .cfg_gpio = s3c64xx_i2s_cfg_gpio, |
| .type = { |
| .i2s = { |
| .src_clk = rclksrc, |
| }, |
| }, |
| }; |
| |
| struct platform_device s3c64xx_device_iis0 = { |
| .name = "samsung-i2s", |
| .id = 0, |
| .num_resources = ARRAY_SIZE(s3c64xx_iis0_resource), |
| .resource = s3c64xx_iis0_resource, |
| .dev = { |
| .platform_data = &i2sv3_pdata, |
| }, |
| }; |
| EXPORT_SYMBOL(s3c64xx_device_iis0); |
| |
| static struct resource s3c64xx_iis1_resource[] = { |
| [0] = DEFINE_RES_MEM(S3C64XX_PA_IIS1, SZ_256), |
| [1] = DEFINE_RES_DMA(DMACH_I2S1_OUT), |
| [2] = DEFINE_RES_DMA(DMACH_I2S1_IN), |
| }; |
| |
| struct platform_device s3c64xx_device_iis1 = { |
| .name = "samsung-i2s", |
| .id = 1, |
| .num_resources = ARRAY_SIZE(s3c64xx_iis1_resource), |
| .resource = s3c64xx_iis1_resource, |
| .dev = { |
| .platform_data = &i2sv3_pdata, |
| }, |
| }; |
| EXPORT_SYMBOL(s3c64xx_device_iis1); |
| |
| static struct resource s3c64xx_iisv4_resource[] = { |
| [0] = DEFINE_RES_MEM(S3C64XX_PA_IISV4, SZ_256), |
| [1] = DEFINE_RES_DMA(DMACH_HSI_I2SV40_TX), |
| [2] = DEFINE_RES_DMA(DMACH_HSI_I2SV40_RX), |
| }; |
| |
| static struct s3c_audio_pdata i2sv4_pdata = { |
| .cfg_gpio = s3c64xx_i2s_cfg_gpio, |
| .type = { |
| .i2s = { |
| .quirks = QUIRK_PRI_6CHAN, |
| .src_clk = rclksrc, |
| }, |
| }, |
| }; |
| |
| struct platform_device s3c64xx_device_iisv4 = { |
| .name = "samsung-i2s", |
| .id = 2, |
| .num_resources = ARRAY_SIZE(s3c64xx_iisv4_resource), |
| .resource = s3c64xx_iisv4_resource, |
| .dev = { |
| .platform_data = &i2sv4_pdata, |
| }, |
| }; |
| EXPORT_SYMBOL(s3c64xx_device_iisv4); |
| |
| |
| /* PCM Controller platform_devices */ |
| |
| static int s3c64xx_pcm_cfg_gpio(struct platform_device *pdev) |
| { |
| unsigned int base; |
| |
| switch (pdev->id) { |
| case 0: |
| base = S3C64XX_GPD(0); |
| break; |
| case 1: |
| base = S3C64XX_GPE(0); |
| break; |
| default: |
| printk(KERN_DEBUG "Invalid PCM Controller number: %d\n", |
| pdev->id); |
| return -EINVAL; |
| } |
| |
| s3c_gpio_cfgpin_range(base, 5, S3C_GPIO_SFN(2)); |
| return 0; |
| } |
| |
| static struct resource s3c64xx_pcm0_resource[] = { |
| [0] = DEFINE_RES_MEM(S3C64XX_PA_PCM0, SZ_256), |
| [1] = DEFINE_RES_DMA(DMACH_PCM0_TX), |
| [2] = DEFINE_RES_DMA(DMACH_PCM0_RX), |
| }; |
| |
| static struct s3c_audio_pdata s3c_pcm0_pdata = { |
| .cfg_gpio = s3c64xx_pcm_cfg_gpio, |
| }; |
| |
| struct platform_device s3c64xx_device_pcm0 = { |
| .name = "samsung-pcm", |
| .id = 0, |
| .num_resources = ARRAY_SIZE(s3c64xx_pcm0_resource), |
| .resource = s3c64xx_pcm0_resource, |
| .dev = { |
| .platform_data = &s3c_pcm0_pdata, |
| }, |
| }; |
| EXPORT_SYMBOL(s3c64xx_device_pcm0); |
| |
| static struct resource s3c64xx_pcm1_resource[] = { |
| [0] = DEFINE_RES_MEM(S3C64XX_PA_PCM1, SZ_256), |
| [1] = DEFINE_RES_DMA(DMACH_PCM1_TX), |
| [2] = DEFINE_RES_DMA(DMACH_PCM1_RX), |
| }; |
| |
| static struct s3c_audio_pdata s3c_pcm1_pdata = { |
| .cfg_gpio = s3c64xx_pcm_cfg_gpio, |
| }; |
| |
| struct platform_device s3c64xx_device_pcm1 = { |
| .name = "samsung-pcm", |
| .id = 1, |
| .num_resources = ARRAY_SIZE(s3c64xx_pcm1_resource), |
| .resource = s3c64xx_pcm1_resource, |
| .dev = { |
| .platform_data = &s3c_pcm1_pdata, |
| }, |
| }; |
| EXPORT_SYMBOL(s3c64xx_device_pcm1); |
| |
| /* AC97 Controller platform devices */ |
| |
| static int s3c64xx_ac97_cfg_gpd(struct platform_device *pdev) |
| { |
| return s3c_gpio_cfgpin_range(S3C64XX_GPD(0), 5, S3C_GPIO_SFN(4)); |
| } |
| |
| static int s3c64xx_ac97_cfg_gpe(struct platform_device *pdev) |
| { |
| return s3c_gpio_cfgpin_range(S3C64XX_GPE(0), 5, S3C_GPIO_SFN(4)); |
| } |
| |
| static struct resource s3c64xx_ac97_resource[] = { |
| [0] = DEFINE_RES_MEM(S3C64XX_PA_AC97, SZ_256), |
| [1] = DEFINE_RES_DMA(DMACH_AC97_PCMOUT), |
| [2] = DEFINE_RES_DMA(DMACH_AC97_PCMIN), |
| [3] = DEFINE_RES_DMA(DMACH_AC97_MICIN), |
| [4] = DEFINE_RES_IRQ(IRQ_AC97), |
| }; |
| |
| static struct s3c_audio_pdata s3c_ac97_pdata; |
| |
| static u64 s3c64xx_ac97_dmamask = DMA_BIT_MASK(32); |
| |
| struct platform_device s3c64xx_device_ac97 = { |
| .name = "samsung-ac97", |
| .id = -1, |
| .num_resources = ARRAY_SIZE(s3c64xx_ac97_resource), |
| .resource = s3c64xx_ac97_resource, |
| .dev = { |
| .platform_data = &s3c_ac97_pdata, |
| .dma_mask = &s3c64xx_ac97_dmamask, |
| .coherent_dma_mask = DMA_BIT_MASK(32), |
| }, |
| }; |
| EXPORT_SYMBOL(s3c64xx_device_ac97); |
| |
| void __init s3c64xx_ac97_setup_gpio(int num) |
| { |
| if (num == S3C64XX_AC97_GPD) |
| s3c_ac97_pdata.cfg_gpio = s3c64xx_ac97_cfg_gpd; |
| else |
| s3c_ac97_pdata.cfg_gpio = s3c64xx_ac97_cfg_gpe; |
| } |