diff options
Diffstat (limited to 'kernel/arch/arm/mach-s3c64xx/dev-audio.c')
| -rw-r--r-- | kernel/arch/arm/mach-s3c64xx/dev-audio.c | 228 |
1 files changed, 228 insertions, 0 deletions
diff --git a/kernel/arch/arm/mach-s3c64xx/dev-audio.c b/kernel/arch/arm/mach-s3c64xx/dev-audio.c new file mode 100644 index 000000000..ff780a8d8 --- /dev/null +++ b/kernel/arch/arm/mach-s3c64xx/dev-audio.c @@ -0,0 +1,228 @@ +/* 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 <linux/platform_data/asoc-s3c.h> +#include <plat/gpio-cfg.h> +#include <mach/gpio-samsung.h> + +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, +}; + +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, + }, + }, +}; + +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; +} |