[PATCH 1/9] ARM: S5PV210: Add audio platform devices
Ben Dooks
ben-linux at fluff.org
Tue May 18 01:24:19 EDT 2010
On Tue, May 18, 2010 at 02:10:14PM +0900, Jassi Brar wrote:
> Define platform devices for all audio devices found on S5PV210
>
> Signed-off-by: Jassi Brar <jassi.brar at samsung.com>
> ---
> arch/arm/mach-s5pv210/Makefile | 4 +
> arch/arm/mach-s5pv210/dev-audio.c | 334 +++++++++++++++++++++++++++++
> arch/arm/mach-s5pv210/include/mach/map.h | 13 ++
> arch/arm/plat-samsung/include/plat/devs.h | 8 +
> 4 files changed, 359 insertions(+), 0 deletions(-)
> create mode 100644 arch/arm/mach-s5pv210/dev-audio.c
>
> diff --git a/arch/arm/mach-s5pv210/Makefile b/arch/arm/mach-s5pv210/Makefile
> index f7f1cdc..6ecfa9d 100644
> --- a/arch/arm/mach-s5pv210/Makefile
> +++ b/arch/arm/mach-s5pv210/Makefile
> @@ -18,3 +18,7 @@ obj-$(CONFIG_CPU_S5PV210) += cpu.o init.o clock.o dma.o
>
> obj-$(CONFIG_MACH_SMDKV210) += mach-smdkv210.o
> obj-$(CONFIG_MACH_SMDKC110) += mach-smdkc110.o
> +
> +# device support
> +
> +obj-y += dev-audio.o
> diff --git a/arch/arm/mach-s5pv210/dev-audio.c b/arch/arm/mach-s5pv210/dev-audio.c
> new file mode 100644
> index 0000000..bdaa926
> --- /dev/null
> +++ b/arch/arm/mach-s5pv210/dev-audio.c
> @@ -0,0 +1,327 @@
> +/* linux/arch/arm/mach-s5pv210/dev-audio.c
> + *
> + * Copyright (c) 2010 Samsung Electronics Co. Ltd
> + * Jaswinder Singh <jassi.brar at 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 s5pv210_cfg_i2s(struct platform_device *pdev)
> +{
> + /* configure GPIO for i2s port */
> + switch (pdev->id) {
> + case 1:
> + s3c_gpio_cfgpin(S5PV210_GPC0(0), S3C_GPIO_SFN(2));
> + s3c_gpio_cfgpin(S5PV210_GPC0(1), S3C_GPIO_SFN(2));
> + s3c_gpio_cfgpin(S5PV210_GPC0(2), S3C_GPIO_SFN(2));
> + s3c_gpio_cfgpin(S5PV210_GPC0(3), S3C_GPIO_SFN(2));
> + s3c_gpio_cfgpin(S5PV210_GPC0(4), S3C_GPIO_SFN(2));
> + break;
> +
> + case 2:
> + s3c_gpio_cfgpin(S5PV210_GPC1(0), S3C_GPIO_SFN(4));
> + s3c_gpio_cfgpin(S5PV210_GPC1(1), S3C_GPIO_SFN(4));
> + s3c_gpio_cfgpin(S5PV210_GPC1(2), S3C_GPIO_SFN(4));
> + s3c_gpio_cfgpin(S5PV210_GPC1(3), S3C_GPIO_SFN(4));
> + s3c_gpio_cfgpin(S5PV210_GPC1(4), S3C_GPIO_SFN(4));
> + break;
> +
> + case -1:
> + s3c_gpio_cfgpin(S5PV210_GPI(0), S3C_GPIO_SFN(2));
> + s3c_gpio_cfgpin(S5PV210_GPI(1), S3C_GPIO_SFN(2));
> + s3c_gpio_cfgpin(S5PV210_GPI(2), S3C_GPIO_SFN(2));
> + s3c_gpio_cfgpin(S5PV210_GPI(3), S3C_GPIO_SFN(2));
> + s3c_gpio_cfgpin(S5PV210_GPI(4), S3C_GPIO_SFN(2));
> + s3c_gpio_cfgpin(S5PV210_GPI(5), S3C_GPIO_SFN(2));
> + s3c_gpio_cfgpin(S5PV210_GPI(6), 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 = s5pv210_cfg_i2s,
> +};
> +
> +static struct resource s5pv210_iis0_resource[] = {
> + [0] = {
> + .start = S5PV210_PA_IIS0,
> + .end = S5PV210_PA_IIS0 + 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 s5pv210_device_iis0 = {
> + .name = "s3c64xx-iis-v4",
> + .id = -1,
> + .num_resources = ARRAY_SIZE(s5pv210_iis0_resource),
> + .resource = s5pv210_iis0_resource,
> + .dev = {
> + .platform_data = &s3c_i2s_pdata,
> + },
> +}; EXPORT_SYMBOL(s5pv210_device_iis0);
do we really need to be exporting these devices like this,
how much is needed otuside of machine support?
> +static struct resource s5pv210_iis1_resource[] = {
> + [0] = {
> + .start = S5PV210_PA_IIS1,
> + .end = S5PV210_PA_IIS1 + 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 s5pv210_device_iis1 = {
> + .name = "s3c64xx-iis",
> + .id = 1,
> + .num_resources = ARRAY_SIZE(s5pv210_iis1_resource),
> + .resource = s5pv210_iis1_resource,
> + .dev = {
> + .platform_data = &s3c_i2s_pdata,
> + },
> +}; EXPORT_SYMBOL(s5pv210_device_iis1);
> +
> +static struct resource s5pv210_iis2_resource[] = {
> + [0] = {
> + .start = S5PV210_PA_IIS2,
> + .end = S5PV210_PA_IIS2 + 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 s5pv210_device_iis2 = {
> + .name = "s3c64xx-iis",
> + .id = 2,
> + .num_resources = ARRAY_SIZE(s5pv210_iis2_resource),
> + .resource = s5pv210_iis2_resource,
> + .dev = {
> + .platform_data = &s3c_i2s_pdata,
> + },
> +}; EXPORT_SYMBOL(s5pv210_device_iis2);
> +
> +/* PCM Controller platform_devices */
> +
> +static int s5pv210_pcm_cfg_gpio(struct platform_device *pdev)
> +{
> + switch (pdev->id) {
> + case 0:
> + s3c_gpio_cfgpin(S5PV210_GPI(0), S3C_GPIO_SFN(3));
> + s3c_gpio_cfgpin(S5PV210_GPI(1), S3C_GPIO_SFN(3));
> + s3c_gpio_cfgpin(S5PV210_GPI(2), S3C_GPIO_SFN(3));
> + s3c_gpio_cfgpin(S5PV210_GPI(3), S3C_GPIO_SFN(3));
> + s3c_gpio_cfgpin(S5PV210_GPI(4), S3C_GPIO_SFN(3));
> + break;
> + case 1:
> + s3c_gpio_cfgpin(S5PV210_GPC0(0), S3C_GPIO_SFN(3));
> + s3c_gpio_cfgpin(S5PV210_GPC0(1), S3C_GPIO_SFN(3));
> + s3c_gpio_cfgpin(S5PV210_GPC0(2), S3C_GPIO_SFN(3));
> + s3c_gpio_cfgpin(S5PV210_GPC0(3), S3C_GPIO_SFN(3));
> + s3c_gpio_cfgpin(S5PV210_GPC0(4), S3C_GPIO_SFN(3));
> + break;
> + case 2:
> + s3c_gpio_cfgpin(S5PV210_GPC1(0), S3C_GPIO_SFN(2));
> + s3c_gpio_cfgpin(S5PV210_GPC1(1), S3C_GPIO_SFN(2));
> + s3c_gpio_cfgpin(S5PV210_GPC1(2), S3C_GPIO_SFN(2));
> + s3c_gpio_cfgpin(S5PV210_GPC1(3), S3C_GPIO_SFN(2));
> + s3c_gpio_cfgpin(S5PV210_GPC1(4), S3C_GPIO_SFN(2));
> + break;
> + default:
> + printk(KERN_DEBUG "Invalid PCM Controller number!");
> + return -EINVAL;
> + }
> +
> + return 0;
> +}
> +
> +static struct s3c_audio_pdata s3c_pcm_pdata = {
> + .cfg_gpio = s5pv210_pcm_cfg_gpio,
> +};
> +
> +static struct resource s5pv210_pcm0_resource[] = {
> + [0] = {
> + .start = S5PV210_PA_PCM0,
> + .end = S5PV210_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 s5pv210_device_pcm0 = {
> + .name = "samsung-pcm",
> + .id = 0,
> + .num_resources = ARRAY_SIZE(s5pv210_pcm0_resource),
> + .resource = s5pv210_pcm0_resource,
> + .dev = {
> + .platform_data = &s3c_pcm_pdata,
> + },
> +}; EXPORT_SYMBOL(s5pv210_device_pcm0);
> +
> +static struct resource s5pv210_pcm1_resource[] = {
> + [0] = {
> + .start = S5PV210_PA_PCM1,
> + .end = S5PV210_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 s5pv210_device_pcm1 = {
> + .name = "samsung-pcm",
> + .id = 1,
> + .num_resources = ARRAY_SIZE(s5pv210_pcm1_resource),
> + .resource = s5pv210_pcm1_resource,
> + .dev = {
> + .platform_data = &s3c_pcm_pdata,
> + },
> +}; EXPORT_SYMBOL(s5pv210_device_pcm1);
> +
> +static struct resource s5pv210_pcm2_resource[] = {
> + [0] = {
> + .start = S5PV210_PA_PCM2,
> + .end = S5PV210_PA_PCM2 + 0x100 - 1,
> + .flags = IORESOURCE_MEM,
> + },
> + [1] = {
> + .start = DMACH_PCM2_TX,
> + .end = DMACH_PCM2_TX,
> + .flags = IORESOURCE_DMA,
> + },
> + [2] = {
> + .start = DMACH_PCM2_RX,
> + .end = DMACH_PCM2_RX,
> + .flags = IORESOURCE_DMA,
> + },
> +};
> +
> +struct platform_device s5pv210_device_pcm2 = {
> + .name = "samsung-pcm",
> + .id = 2,
> + .num_resources = ARRAY_SIZE(s5pv210_pcm2_resource),
> + .resource = s5pv210_pcm2_resource,
> + .dev = {
> + .platform_data = &s3c_pcm_pdata,
> + },
> +}; EXPORT_SYMBOL(s5pv210_device_pcm2);
> +
> +/* AC97 Controller platform devices */
> +
> +static int s5pv210_ac97_cfg_gpio(struct platform_device *pdev)
> +{
> + s3c_gpio_cfgpin(S5PV210_GPC0(0), S3C_GPIO_SFN(4));
> + s3c_gpio_cfgpin(S5PV210_GPC0(1), S3C_GPIO_SFN(4));
> + s3c_gpio_cfgpin(S5PV210_GPC0(2), S3C_GPIO_SFN(4));
> + s3c_gpio_cfgpin(S5PV210_GPC0(3), S3C_GPIO_SFN(4));
> + s3c_gpio_cfgpin(S5PV210_GPC0(4), S3C_GPIO_SFN(4));
> +
> + return 0;
> +}
> +
> +static struct resource s5pv210_ac97_resource[] = {
> + [0] = {
> + .start = S5PV210_PA_AC97,
> + .end = S5PV210_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 = s5pv210_ac97_cfg_gpio,
> +};
> +
> +static u64 s5pv210_ac97_dmamask = DMA_BIT_MASK(32);
> +
> +struct platform_device s5pv210_device_ac97 = {
> + .name = "s3c-ac97",
> + .id = -1,
> + .num_resources = ARRAY_SIZE(s5pv210_ac97_resource),
> + .resource = s5pv210_ac97_resource,
> + .dev = {
> + .platform_data = &s3c_ac97_pdata,
> + .dma_mask = &s5pv210_ac97_dmamask,
> + .coherent_dma_mask = DMA_BIT_MASK(32),
> + },
> +}; EXPORT_SYMBOL(s5pv210_device_ac97);
> diff --git a/arch/arm/mach-s5pv210/include/mach/map.h b/arch/arm/mach-s5pv210/include/mach/map.h
> index c038585..5adcb9f 100644
> --- a/arch/arm/mach-s5pv210/include/mach/map.h
> +++ b/arch/arm/mach-s5pv210/include/mach/map.h
> @@ -62,6 +62,19 @@
> #define S5PV210_PA_SDRAM (0x20000000)
> #define S5P_PA_SDRAM S5PV210_PA_SDRAM
>
> +/* I2S */
> +#define S5PV210_PA_IIS0 0xEEE30000
> +#define S5PV210_PA_IIS1 0xE2100000
> +#define S5PV210_PA_IIS2 0xE2A00000
> +
> +/* PCM */
> +#define S5PV210_PA_PCM0 0xE2300000
> +#define S5PV210_PA_PCM1 0xE1200000
> +#define S5PV210_PA_PCM2 0xE2B00000
> +
> +/* AC97 */
> +#define S5PV210_PA_AC97 0xE2200000
> +
> /* compatibiltiy defines. */
> #define S3C_PA_UART S5PV210_PA_UART
> #define S3C_PA_IIC S5PV210_PA_IIC0
> diff --git a/arch/arm/plat-samsung/include/plat/devs.h b/arch/arm/plat-samsung/include/plat/devs.h
> index 796d242..d8fda3a 100644
> --- a/arch/arm/plat-samsung/include/plat/devs.h
> +++ b/arch/arm/plat-samsung/include/plat/devs.h
> @@ -64,6 +64,14 @@ extern struct platform_device s3c_device_nand;
> extern struct platform_device s3c_device_usbgadget;
> extern struct platform_device s3c_device_usb_hsotg;
>
> +extern struct platform_device s5pv210_device_ac97;
> +extern struct platform_device s5pv210_device_pcm0;
> +extern struct platform_device s5pv210_device_pcm1;
> +extern struct platform_device s5pv210_device_pcm2;
> +extern struct platform_device s5pv210_device_iis0;
> +extern struct platform_device s5pv210_device_iis1;
> +extern struct platform_device s5pv210_device_iis2;
> +
> /* s3c2440 specific devices */
>
> #ifdef CONFIG_CPU_S3C2440
> --
> 1.6.2.5
>
--
--
Ben
Q: What's a light-year?
A: One-third less calories than a regular year.
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