diff options
Diffstat (limited to 'arch/arm/mach-s5p6442/dev-audio.c')
| -rw-r--r-- | arch/arm/mach-s5p6442/dev-audio.c | 197 |
1 files changed, 197 insertions, 0 deletions
diff --git a/arch/arm/mach-s5p6442/dev-audio.c b/arch/arm/mach-s5p6442/dev-audio.c new file mode 100644 index 000000000000..cb801e1f5e23 --- /dev/null +++ b/arch/arm/mach-s5p6442/dev-audio.c @@ -0,0 +1,197 @@ +/* linux/arch/arm/mach-s5p6442/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 <plat/gpio-cfg.h> +#include <plat/audio.h> + +#include <mach/gpio.h> +#include <mach/map.h> +#include <mach/dma.h> +#include <mach/irqs.h> + +static int s5p6442_cfg_i2s(struct platform_device *pdev) +{ + /* configure GPIO for i2s port */ + switch (pdev->id) { + case 1: + s3c_gpio_cfgpin(S5P6442_GPC1(0), S3C_GPIO_SFN(2)); + s3c_gpio_cfgpin(S5P6442_GPC1(1), S3C_GPIO_SFN(2)); + s3c_gpio_cfgpin(S5P6442_GPC1(2), S3C_GPIO_SFN(2)); + s3c_gpio_cfgpin(S5P6442_GPC1(3), S3C_GPIO_SFN(2)); + s3c_gpio_cfgpin(S5P6442_GPC1(4), S3C_GPIO_SFN(2)); + break; + + case -1: + s3c_gpio_cfgpin(S5P6442_GPC0(0), S3C_GPIO_SFN(2)); + s3c_gpio_cfgpin(S5P6442_GPC0(1), S3C_GPIO_SFN(2)); + s3c_gpio_cfgpin(S5P6442_GPC0(2), S3C_GPIO_SFN(2)); + s3c_gpio_cfgpin(S5P6442_GPC0(3), S3C_GPIO_SFN(2)); + s3c_gpio_cfgpin(S5P6442_GPC0(4), S3C_GPIO_SFN(2)); + 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 = s5p6442_cfg_i2s, +}; + +static struct resource s5p6442_iis0_resource[] = { + [0] = { + .start = S5P6442_PA_I2S0, + .end = S5P6442_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 s5p6442_device_iis0 = { + .name = "s3c64xx-iis-v4", + .id = -1, + .num_resources = ARRAY_SIZE(s5p6442_iis0_resource), + .resource = s5p6442_iis0_resource, + .dev = { + .platform_data = &s3c_i2s_pdata, + }, +}; + +static struct resource s5p6442_iis1_resource[] = { + [0] = { + .start = S5P6442_PA_I2S1, + .end = S5P6442_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 s5p6442_device_iis1 = { + .name = "s3c64xx-iis", + .id = 1, + .num_resources = ARRAY_SIZE(s5p6442_iis1_resource), + .resource = s5p6442_iis1_resource, + .dev = { + .platform_data = &s3c_i2s_pdata, + }, +}; + +/* PCM Controller platform_devices */ + +static int s5p6442_pcm_cfg_gpio(struct platform_device *pdev) +{ + switch (pdev->id) { + case 0: + s3c_gpio_cfgpin(S5P6442_GPC0(0), S3C_GPIO_SFN(3)); + s3c_gpio_cfgpin(S5P6442_GPC0(1), S3C_GPIO_SFN(3)); + s3c_gpio_cfgpin(S5P6442_GPC0(2), S3C_GPIO_SFN(3)); + s3c_gpio_cfgpin(S5P6442_GPC0(3), S3C_GPIO_SFN(3)); + s3c_gpio_cfgpin(S5P6442_GPC0(4), S3C_GPIO_SFN(3)); + break; + + case 1: + s3c_gpio_cfgpin(S5P6442_GPC1(0), S3C_GPIO_SFN(3)); + s3c_gpio_cfgpin(S5P6442_GPC1(1), S3C_GPIO_SFN(3)); + s3c_gpio_cfgpin(S5P6442_GPC1(2), S3C_GPIO_SFN(3)); + s3c_gpio_cfgpin(S5P6442_GPC1(3), S3C_GPIO_SFN(3)); + s3c_gpio_cfgpin(S5P6442_GPC1(4), 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 = s5p6442_pcm_cfg_gpio, +}; + +static struct resource s5p6442_pcm0_resource[] = { + [0] = { + .start = S5P6442_PA_PCM0, + .end = S5P6442_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 s5p6442_device_pcm0 = { + .name = "samsung-pcm", + .id = 0, + .num_resources = ARRAY_SIZE(s5p6442_pcm0_resource), + .resource = s5p6442_pcm0_resource, + .dev = { + .platform_data = &s3c_pcm_pdata, + }, +}; + +static struct resource s5p6442_pcm1_resource[] = { + [0] = { + .start = S5P6442_PA_PCM1, + .end = S5P6442_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 s5p6442_device_pcm1 = { + .name = "samsung-pcm", + .id = 1, + .num_resources = ARRAY_SIZE(s5p6442_pcm1_resource), + .resource = s5p6442_pcm1_resource, + .dev = { + .platform_data = &s3c_pcm_pdata, + }, +}; |