diff options
Diffstat (limited to 'arch/arm/mach-s5pc100/dev-audio.c')
| -rw-r--r-- | arch/arm/mach-s5pc100/dev-audio.c | 239 |
1 files changed, 239 insertions, 0 deletions
diff --git a/arch/arm/mach-s5pc100/dev-audio.c b/arch/arm/mach-s5pc100/dev-audio.c new file mode 100644 index 00000000000..46f488b0939 --- /dev/null +++ b/arch/arm/mach-s5pc100/dev-audio.c @@ -0,0 +1,239 @@ +/* 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 <linux/platform_data/asoc-s3c.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 0: /* Dedicated pins */ + break; + 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; + default: + printk(KERN_ERR "Invalid Device %d\n", pdev->id); + return -EINVAL; + } + + return 0; +} + +static struct s3c_audio_pdata i2sv5_pdata = { + .cfg_gpio = s5pc100_cfg_i2s, + .type = { + .i2s = { + .quirks = QUIRK_PRI_6CHAN | QUIRK_SEC_DAI + | QUIRK_NEED_RSTCLR, + }, + }, +}; + +static struct resource s5pc100_iis0_resource[] = { + [0] = DEFINE_RES_MEM(S5PC100_PA_I2S0, SZ_256), + [1] = DEFINE_RES_DMA(DMACH_I2S0_TX), + [2] = DEFINE_RES_DMA(DMACH_I2S0_RX), + [3] = DEFINE_RES_DMA(DMACH_I2S0S_TX), +}; + +struct platform_device s5pc100_device_iis0 = { + .name = "samsung-i2s", + .id = 0, + .num_resources = ARRAY_SIZE(s5pc100_iis0_resource), + .resource = s5pc100_iis0_resource, + .dev = { + .platform_data = &i2sv5_pdata, + }, +}; + +static struct s3c_audio_pdata i2sv3_pdata = { + .cfg_gpio = s5pc100_cfg_i2s, +}; + +static struct resource s5pc100_iis1_resource[] = { + [0] = DEFINE_RES_MEM(S5PC100_PA_I2S1, SZ_256), + [1] = DEFINE_RES_DMA(DMACH_I2S1_TX), + [2] = DEFINE_RES_DMA(DMACH_I2S1_RX), +}; + +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 = &i2sv3_pdata, + }, +}; + +static struct resource s5pc100_iis2_resource[] = { + [0] = DEFINE_RES_MEM(S5PC100_PA_I2S2, SZ_256), + [1] = DEFINE_RES_DMA(DMACH_I2S2_TX), + [2] = DEFINE_RES_DMA(DMACH_I2S2_RX), +}; + +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 = &i2sv3_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] = DEFINE_RES_MEM(S5PC100_PA_PCM0, SZ_256), + [1] = DEFINE_RES_DMA(DMACH_PCM0_TX), + [2] = DEFINE_RES_DMA(DMACH_PCM0_RX), +}; + +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] = DEFINE_RES_MEM(S5PC100_PA_PCM1, SZ_256), + [1] = DEFINE_RES_DMA(DMACH_PCM1_TX), + [2] = DEFINE_RES_DMA(DMACH_PCM1_RX), +}; + +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] = DEFINE_RES_MEM(S5PC100_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 = { + .cfg_gpio = s5pc100_ac97_cfg_gpio, +}; + +static u64 s5pc100_ac97_dmamask = DMA_BIT_MASK(32); + +struct platform_device s5pc100_device_ac97 = { + .name = "samsung-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] = DEFINE_RES_MEM(S5PC100_PA_SPDIF, SZ_256), + [1] = DEFINE_RES_DMA(DMACH_SPDIF), +}; + +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; +} |