/* linux/arch/arm/mach-s5pc100/dev-audio.c * * Copyright (c) 2010 Samsung Electronics Co. Ltd * Jaswinder Singh <jassi.brar@samsung.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/platform_device.h> #include <linux/dma-mapping.h> #include <linux/gpio.h> #include <plat/gpio-cfg.h> #include <plat/audio.h> #include <mach/map.h> #include <mach/dma.h> #include <mach/irqs.h> static int s5pc100_cfg_i2s(struct platform_device *pdev) { /* configure GPIO for i2s port */ switch (pdev->id) { case 1: s3c_gpio_cfgpin_range(S5PC100_GPC(0), 5, S3C_GPIO_SFN(2)); break; case 2: s3c_gpio_cfgpin_range(S5PC100_GPG3(0), 5, S3C_GPIO_SFN(4)); break; case -1: /* Dedicated pins */ break; default: printk(KERN_ERR "Invalid Device %d\n", pdev->id); return -EINVAL; } return 0; } static struct s3c_audio_pdata s3c_i2s_pdata = { .cfg_gpio = s5pc100_cfg_i2s, }; static struct resource s5pc100_iis0_resource[] = { [0] = { .start = S5PC100_PA_I2S0, .end = S5PC100_PA_I2S0 + 0x100 - 1, .flags = IORESOURCE_MEM, }, [1] = { .start = DMACH_I2S0_TX, .end = DMACH_I2S0_TX, .flags = IORESOURCE_DMA, }, [2] = { .start = DMACH_I2S0_RX, .end = DMACH_I2S0_RX, .flags = IORESOURCE_DMA, }, }; struct platform_device s5pc100_device_iis0 = { .name = "samsung-i2s-v4", .id = -1, .num_resources = ARRAY_SIZE(s5pc100_iis0_resource), .resource = s5pc100_iis0_resource, .dev = { .platform_data = &s3c_i2s_pdata, }, }; static struct resource s5pc100_iis1_resource[] = { [0] = { .start = S5PC100_PA_I2S1, .end = S5PC100_PA_I2S1 + 0x100 - 1, .flags = IORESOURCE_MEM, }, [1] = { .start = DMACH_I2S1_TX, .end = DMACH_I2S1_TX, .flags = IORESOURCE_DMA, }, [2] = { .start = DMACH_I2S1_RX, .end = DMACH_I2S1_RX, .flags = IORESOURCE_DMA, }, }; struct platform_device s5pc100_device_iis1 = { .name = "samsung-i2s", .id = 1, .num_resources = ARRAY_SIZE(s5pc100_iis1_resource), .resource = s5pc100_iis1_resource, .dev = { .platform_data = &s3c_i2s_pdata, }, }; static struct resource s5pc100_iis2_resource[] = { [0] = { .start = S5PC100_PA_I2S2, .end = S5PC100_PA_I2S2 + 0x100 - 1, .flags = IORESOURCE_MEM, }, [1] = { .start = DMACH_I2S2_TX, .end = DMACH_I2S2_TX, .flags = IORESOURCE_DMA, }, [2] = { .start = DMACH_I2S2_RX, .end = DMACH_I2S2_RX, .flags = IORESOURCE_DMA, }, }; struct platform_device s5pc100_device_iis2 = { .name = "samsung-i2s", .id = 2, .num_resources = ARRAY_SIZE(s5pc100_iis2_resource), .resource = s5pc100_iis2_resource, .dev = { .platform_data = &s3c_i2s_pdata, }, }; /* PCM Controller platform_devices */ static int s5pc100_pcm_cfg_gpio(struct platform_device *pdev) { switch (pdev->id) { case 0: s3c_gpio_cfgpin_range(S5PC100_GPG3(0), 5, S3C_GPIO_SFN(5)); break; case 1: s3c_gpio_cfgpin_range(S5PC100_GPC(0), 5, S3C_GPIO_SFN(3)); break; default: printk(KERN_DEBUG "Invalid PCM Controller number!"); return -EINVAL; } return 0; } static struct s3c_audio_pdata s3c_pcm_pdata = { .cfg_gpio = s5pc100_pcm_cfg_gpio, }; static struct resource s5pc100_pcm0_resource[] = { [0] = { .start = S5PC100_PA_PCM0, .end = S5PC100_PA_PCM0 + 0x100 - 1, .flags = IORESOURCE_MEM, }, [1] = { .start = DMACH_PCM0_TX, .end = DMACH_PCM0_TX, .flags = IORESOURCE_DMA, }, [2] = { .start = DMACH_PCM0_RX, .end = DMACH_PCM0_RX, .flags = IORESOURCE_DMA, }, }; struct platform_device s5pc100_device_pcm0 = { .name = "samsung-pcm", .id = 0, .num_resources = ARRAY_SIZE(s5pc100_pcm0_resource), .resource = s5pc100_pcm0_resource, .dev = { .platform_data = &s3c_pcm_pdata, }, }; static struct resource s5pc100_pcm1_resource[] = { [0] = { .start = S5PC100_PA_PCM1, .end = S5PC100_PA_PCM1 + 0x100 - 1, .flags = IORESOURCE_MEM, }, [1] = { .start = DMACH_PCM1_TX, .end = DMACH_PCM1_TX, .flags = IORESOURCE_DMA, }, [2] = { .start = DMACH_PCM1_RX, .end = DMACH_PCM1_RX, .flags = IORESOURCE_DMA, }, }; struct platform_device s5pc100_device_pcm1 = { .name = "samsung-pcm", .id = 1, .num_resources = ARRAY_SIZE(s5pc100_pcm1_resource), .resource = s5pc100_pcm1_resource, .dev = { .platform_data = &s3c_pcm_pdata, }, }; /* AC97 Controller platform devices */ static int s5pc100_ac97_cfg_gpio(struct platform_device *pdev) { return s3c_gpio_cfgpin_range(S5PC100_GPC(0), 5, S3C_GPIO_SFN(4)); } static struct resource s5pc100_ac97_resource[] = { [0] = { .start = S5PC100_PA_AC97, .end = S5PC100_PA_AC97 + 0x100 - 1, .flags = IORESOURCE_MEM, }, [1] = { .start = DMACH_AC97_PCMOUT, .end = DMACH_AC97_PCMOUT, .flags = IORESOURCE_DMA, }, [2] = { .start = DMACH_AC97_PCMIN, .end = DMACH_AC97_PCMIN, .flags = IORESOURCE_DMA, }, [3] = { .start = DMACH_AC97_MICIN, .end = DMACH_AC97_MICIN, .flags = IORESOURCE_DMA, }, [4] = { .start = IRQ_AC97, .end = IRQ_AC97, .flags = IORESOURCE_IRQ, }, }; static struct s3c_audio_pdata s3c_ac97_pdata = { .cfg_gpio = s5pc100_ac97_cfg_gpio, }; static u64 s5pc100_ac97_dmamask = DMA_BIT_MASK(32); struct platform_device s5pc100_device_ac97 = { .name = "s3c-ac97", .id = -1, .num_resources = ARRAY_SIZE(s5pc100_ac97_resource), .resource = s5pc100_ac97_resource, .dev = { .platform_data = &s3c_ac97_pdata, .dma_mask = &s5pc100_ac97_dmamask, .coherent_dma_mask = DMA_BIT_MASK(32), }, }; /* S/PDIF Controller platform_device */ static int s5pc100_spdif_cfg_gpd(struct platform_device *pdev) { s3c_gpio_cfgpin_range(S5PC100_GPD(5), 2, S3C_GPIO_SFN(3)); return 0; } static int s5pc100_spdif_cfg_gpg3(struct platform_device *pdev) { s3c_gpio_cfgpin_range(S5PC100_GPG3(5), 2, S3C_GPIO_SFN(3)); return 0; } static struct resource s5pc100_spdif_resource[] = { [0] = { .start = S5PC100_PA_SPDIF, .end = S5PC100_PA_SPDIF + 0x100 - 1, .flags = IORESOURCE_MEM, }, [1] = { .start = DMACH_SPDIF, .end = DMACH_SPDIF, .flags = IORESOURCE_DMA, }, }; static struct s3c_audio_pdata s5p_spdif_pdata = { .cfg_gpio = s5pc100_spdif_cfg_gpd, }; static u64 s5pc100_spdif_dmamask = DMA_BIT_MASK(32); struct platform_device s5pc100_device_spdif = { .name = "samsung-spdif", .id = -1, .num_resources = ARRAY_SIZE(s5pc100_spdif_resource), .resource = s5pc100_spdif_resource, .dev = { .platform_data = &s5p_spdif_pdata, .dma_mask = &s5pc100_spdif_dmamask, .coherent_dma_mask = DMA_BIT_MASK(32), }, }; void __init s5pc100_spdif_setup_gpio(int gpio) { if (gpio == S5PC100_SPDIF_GPD) s5p_spdif_pdata.cfg_gpio = s5pc100_spdif_cfg_gpd; else s5p_spdif_pdata.cfg_gpio = s5pc100_spdif_cfg_gpg3; }