devices.c

trident tm5600的linux驱动

#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/dma-mapping.h>

#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 27)
#include <asm/arch/gpio.h>
#include <asm/arch/udc.h>
#include <asm/arch/pxafb.h>
#include <asm/arch/mmc.h>
#include <asm/arch/irda.h>
#include <asm/arch/i2c.h>
#include <asm/arch/mfp-pxa27x.h>
#include <asm/arch/ohci.h>
#include <asm/arch/pxa27x_keypad.h>
#include <asm/arch/pxa2xx_spi.h>
#include <asm/arch/camera.h>
#include <asm/arch/audio.h>
#include <asm/arch/pxa3xx_nand.h>
#else
#include <mach/gpio.h>
#include <mach/udc.h>
#include <mach/pxafb.h>
#include <mach/mmc.h>
#include <mach/irda.h>
#include <mach/i2c.h>
#include <mach/mfp-pxa27x.h>
#include <mach/ohci.h>
#include <mach/pxa27x_keypad.h>
#include <mach/pxa2xx_spi.h>
#include <mach/camera.h>
#include <mach/audio.h>
#include <mach/pxa3xx_nand.h>
#endif

#include "devices.h"
#include "generic.h"

void __init pxa_register_device(struct platform_device *dev, void *data)
{
	int ret;

	dev->dev.platform_data = data;

	ret = platform_device_register(dev);
	if (ret)
		dev_err(&dev->dev, "unable to register device: %d\n", ret);
}

static struct resource pxamci_resources[] = {
	[0] = {
		.start	= 0x41100000,
		.end	= 0x41100fff,
		.flags	= IORESOURCE_MEM,
	},
	[1] = {
		.start	= IRQ_MMC,
		.end	= IRQ_MMC,
		.flags	= IORESOURCE_IRQ,
	},
	[2] = {
		.start	= 21,
		.end	= 21,
		.flags	= IORESOURCE_DMA,
	},
	[3] = {
		.start	= 22,
		.end	= 22,
		.flags	= IORESOURCE_DMA,
	},
};

static u64 pxamci_dmamask = 0xffffffffUL;

struct platform_device pxa_device_mci = {
	.name		= "pxa2xx-mci",
	.id		= 0,
	.dev		= {
		.dma_mask = &pxamci_dmamask,
		.coherent_dma_mask = 0xffffffff,
	},
	.num_resources	= ARRAY_SIZE(pxamci_resources),
	.resource	= pxamci_resources,
};

void __init pxa_set_mci_info(struct pxamci_platform_data *info)
{
	pxa_register_device(&pxa_device_mci, info);
}


static struct pxa2xx_udc_mach_info pxa_udc_info;

void __init pxa_set_udc_info(struct pxa2xx_udc_mach_info *info)
{
	memcpy(&pxa_udc_info, info, sizeof *info);
}

static struct resource pxa2xx_udc_resources[] = {
	[0] = {
		.start	= 0x40600000,
		.end	= 0x4060ffff,
		.flags	= IORESOURCE_MEM,
	},
	[1] = {
		.start	= IRQ_USB,
		.end	= IRQ_USB,
		.flags	= IORESOURCE_IRQ,
	},
};

static u64 udc_dma_mask = ~(u32)0;

struct platform_device pxa25x_device_udc = {
	.name		= "pxa25x-udc",
	.id		= -1,
	.resource	= pxa2xx_udc_resources,
	.num_resources	= ARRAY_SIZE(pxa2xx_udc_resources),
	.dev		=  {
		.platform_data	= &pxa_udc_info,
		.dma_mask	= &udc_dma_mask,
	}
};

struct platform_device pxa27x_device_udc = {
	.name		= "pxa27x-udc",
	.id		= -1,
	.resource	= pxa2xx_udc_resources,
	.num_resources	= ARRAY_SIZE(pxa2xx_udc_resources),
	.dev		=  {
		.platform_data	= &pxa_udc_info,
		.dma_mask	= &udc_dma_mask,
	}
};

static struct resource pxafb_resources[] = {
	[0] = {
		.start	= 0x44000000,
		.end	= 0x4400ffff,
		.flags	= IORESOURCE_MEM,
	},
	[1] = {
		.start	= IRQ_LCD,
		.end	= IRQ_LCD,
		.flags	= IORESOURCE_IRQ,
	},
};

static u64 fb_dma_mask = ~(u64)0;

struct platform_device pxa_device_fb = {
	.name		= "pxa2xx-fb",
	.id		= -1,
	.dev		= {
		.dma_mask	= &fb_dma_mask,
		.coherent_dma_mask = 0xffffffff,
	},
	.num_resources	= ARRAY_SIZE(pxafb_resources),
	.resource	= pxafb_resources,
};

void __init set_pxa_fb_info(struct pxafb_mach_info *info)
{
	pxa_register_device(&pxa_device_fb, info);
}

void __init set_pxa_fb_parent(struct device *parent_dev)
{
	pxa_device_fb.dev.parent = parent_dev;
}

static struct resource pxa_resource_ffuart[] = {
	{
		.start	= __PREG(FFUART),
		.end	= __PREG(FFUART) + 35,
		.flags	= IORESOURCE_MEM,
	}, {
		.start	= IRQ_FFUART,
		.end	= IRQ_FFUART,
		.flags	= IORESOURCE_IRQ,
	}
};

struct platform_device pxa_device_ffuart= {
	.name		= "pxa2xx-uart",
	.id		= 0,
	.resource	= pxa_resource_ffuart,
	.num_resources	= ARRAY_SIZE(pxa_resource_ffuart),
};

static struct resource pxa_resource_btuart[] = {
	{
		.start	= __PREG(BTUART),
		.end	= __PREG(BTUART) + 35,
		.flags	= IORESOURCE_MEM,
	}, {
		.start	= IRQ_BTUART,
		.end	= IRQ_BTUART,
		.flags	= IORESOURCE_IRQ,
	}
};

struct platform_device pxa_device_btuart = {
	.name		= "pxa2xx-uart",
	.id		= 1,
	.resource	= pxa_resource_btuart,
	.num_resources	= ARRAY_SIZE(pxa_resource_btuart),
};

static struct resource pxa_resource_stuart[] = {
	{
		.start	= __PREG(STUART),
		.end	= __PREG(STUART) + 35,
		.flags	= IORESOURCE_MEM,
	}, {
		.start	= IRQ_STUART,
		.end	= IRQ_STUART,
		.flags	= IORESOURCE_IRQ,
	}
};

struct platform_device pxa_device_stuart = {
	.name		= "pxa2xx-uart",
	.id		= 2,
	.resource	= pxa_resource_stuart,
	.num_resources	= ARRAY_SIZE(pxa_resource_stuart),
};

static struct resource pxa_resource_hwuart[] = {
	{
		.start	= __PREG(HWUART),
		.end	= __PREG(HWUART) + 47,
		.flags	= IORESOURCE_MEM,
	}, {
		.start	= IRQ_HWUART,
		.end	= IRQ_HWUART,
		.flags	= IORESOURCE_IRQ,
	}
};

struct platform_device pxa_device_hwuart = {
	.name		= "pxa2xx-uart",
	.id		= 3,
	.resource	= pxa_resource_hwuart,
	.num_resources	= ARRAY_SIZE(pxa_resource_hwuart),
};

static struct resource pxai2c_resources[] = {
	{
		.start	= 0x40301680,
		.end	= 0x403016a3,
		.flags	= IORESOURCE_MEM,
	}, {
		.start	= IRQ_I2C,
		.end	= IRQ_I2C,
		.flags	= IORESOURCE_IRQ,
	},
};

struct platform_device pxa_device_i2c = {
	.name		= "pxa2xx-i2c",
	.id		= 0,
	.resource	= pxai2c_resources,
	.num_resources	= ARRAY_SIZE(pxai2c_resources),
};

static unsigned long pxa27x_i2c_mfp_cfg[] = {
	GPIO117_I2C_SCL,
	GPIO118_I2C_SDA,
};

void __init pxa_set_i2c_info(struct i2c_pxa_platform_data *info)
{
	if (cpu_is_pxa27x())
		pxa2xx_mfp_config(ARRAY_AND_SIZE(pxa27x_i2c_mfp_cfg));
	pxa_register_device(&pxa_device_i2c, info);
}

static struct resource pxai2s_resources[] = {
	{
		.start	= 0x40400000,
		.end	= 0x40400083,
		.flags	= IORESOURCE_MEM,
	}, {
		.start	= IRQ_I2S,
		.end	= IRQ_I2S,
		.flags	= IORESOURCE_IRQ,
	},
};

struct platform_device pxa_device_i2s = {
	.name		= "pxa2xx-i2s",
	.id		= -1,
	.resource	= pxai2s_resources,
	.num_resources	= ARRAY_SIZE(pxai2s_resources),
};

static u64 pxaficp_dmamask = ~(u32)0;

struct platform_device pxa_device_ficp = {
	.name		= "pxa2xx-ir",
	.id		= -1,
	.dev		= {
		.dma_mask = &pxaficp_dmamask,
		.coherent_dma_mask = 0xffffffff,
	},
};

void __init pxa_set_ficp_info(struct pxaficp_platform_data *info)
{
	pxa_register_device(&pxa_device_ficp, info);
}

struct platform_device pxa_device_rtc = {
	.name		= "sa1100-rtc",
	.id		= -1,
};

static struct resource pxa_ac97_resources[] = {
	[0] = {
		.start  = 0x40500000,
		.end	= 0x40500000 + 0xfff,
		.flags  = IORESOURCE_MEM,
	},
	[1] = {
		.start  = IRQ_AC97,
		.end    = IRQ_AC97,
		.flags  = IORESOURCE_IRQ,
	},
};

static u64 pxa_ac97_dmamask = 0xffffffffUL;

struct platform_device pxa_device_ac97 = {
	.name           = "pxa2xx-ac97",
	.id             = -1,
	.dev            = {
		.dma_mask = &pxa_ac97_dmamask,
		.coherent_dma_mask = 0xffffffff,
	},
	.num_resources  = ARRAY_SIZE(pxa_ac97_resources),
	.resource       = pxa_ac97_resources,
};

void __init pxa_set_ac97_info(pxa2xx_audio_ops_t *ops)
{
	pxa_register_device(&pxa_device_ac97, ops);
}

#ifdef CONFIG_PXA25x

static struct resource pxa25x_resource_pwm0[] = {
	[0] = {
		.start	= 0x40b00000,
		.end	= 0x40b0000f,
		.flags	= IORESOURCE_MEM,
	},
};

struct platform_device pxa25x_device_pwm0 = {
	.name		= "pxa25x-pwm",
	.id		= 0,
	.resource	= pxa25x_resource_pwm0,
	.num_resources	= ARRAY_SIZE(pxa25x_resource_pwm0),
};

static struct resource pxa25x_resource_pwm1[] = {
	[0] = {
		.start	= 0x40c00000,
		.end	= 0x40c0000f,
		.flags	= IORESOURCE_MEM,
	},
};

struct platform_device pxa25x_device_pwm1 = {
	.name		= "pxa25x-pwm",
	.id		= 1,
	.resource	= pxa25x_resource_pwm1,
	.num_resources	= ARRAY_SIZE(pxa25x_resource_pwm1),
};

static u64 pxa25x_ssp_dma_mask = DMA_BIT_MASK(32);

static struct resource pxa25x_resource_ssp[] = {
	[0] = {
		.start	= 0x41000000,
		.end	= 0x4100001f,
		.flags	= IORESOURCE_MEM,
	},
	[1] = {
		.start	= IRQ_SSP,
		.end	= IRQ_SSP,
		.flags	= IORESOURCE_IRQ,
	},
	[2] = {
		/* DRCMR for RX */
		.start	= 13,
		.end	= 13,
		.flags	= IORESOURCE_DMA,
	},
	[3] = {
		/* DRCMR for TX */
		.start	= 14,
		.end	= 14,
		.flags	= IORESOURCE_DMA,
	},
};

struct platform_device pxa25x_device_ssp = {
	.name		= "pxa25x-ssp",
	.id		= 0,
	.dev		= {
		.dma_mask = &pxa25x_ssp_dma_mask,
		.coherent_dma_mask = DMA_BIT_MASK(32),
	},
	.resource	= pxa25x_resource_ssp,
	.num_resources	= ARRAY_SIZE(pxa25x_resource_ssp),
};

static u64 pxa25x_nssp_dma_mask = DMA_BIT_MASK(32);

static struct resource pxa25x_resource_nssp[] = {
	[0] = {
		.start	= 0x41400000,
		.end	= 0x4140002f,
		.flags	= IORESOURCE_MEM,
	},
	[1] = {
		.start	= IRQ_NSSP,
		.end	= IRQ_NSSP,
		.flags	= IORESOURCE_IRQ,
	},
	[2] = {
		/* DRCMR for RX */
		.start	= 15,
		.end	= 15,
		.flags	= IORESOURCE_DMA,
	},
	[3] = {
		/* DRCMR for TX */
		.start	= 16,
		.end	= 16,
		.flags	= IORESOURCE_DMA,
	},
};

struct platform_device pxa25x_device_nssp = {
	.name		= "pxa25x-nssp",
	.id		= 1,
	.dev		= {
		.dma_mask = &pxa25x_nssp_dma_mask,
		.coherent_dma_mask = DMA_BIT_MASK(32),
	},
	.resource	= pxa25x_resource_nssp,
	.num_resources	= ARRAY_SIZE(pxa25x_resource_nssp),