#ifndef _LINUX_EISA_H
#define _LINUX_EISA_H

#define EISA_SIG_LEN   8
#define EISA_MAX_SLOTS 8

/* A few EISA constants/offsets... */

#define EISA_DMA1_STATUS            8
#define EISA_INT1_CTRL           0x20
#define EISA_INT1_MASK           0x21
#define EISA_INT2_CTRL           0xA0
#define EISA_INT2_MASK           0xA1
#define EISA_DMA2_STATUS         0xD0
#define EISA_DMA2_WRITE_SINGLE   0xD4
#define EISA_EXT_NMI_RESET_CTRL 0x461
#define EISA_INT1_EDGE_LEVEL    0x4D0
#define EISA_INT2_EDGE_LEVEL    0x4D1
#define EISA_VENDOR_ID_OFFSET   0xC80

/* The EISA signature, in ASCII form, null terminated */
struct eisa_device_id {
	char          sig[EISA_SIG_LEN];
	unsigned long driver_data;
};

/* There is not much we can say about an EISA device, apart from
 * signature, slot number, and base address. */

struct eisa_device {
	struct eisa_device_id id;
	int                   slot;
	unsigned long         base_addr;
	struct resource       res;
	struct device         dev; /* generic device */
};

#define to_eisa_device(n) container_of(n, struct eisa_device, dev)

struct eisa_driver {
	const struct eisa_device_id *id_table;
	struct device_driver         driver;
};

#define to_eisa_driver(drv) container_of(drv,struct eisa_driver, driver)

extern struct bus_type eisa_bus_type;
int eisa_driver_register (struct eisa_driver *edrv);
void eisa_driver_unregister (struct eisa_driver *edrv);

/* Mimics pci.h... */
static inline void *eisa_get_drvdata (struct eisa_device *edev)
{
        return edev->dev.driver_data;
}

static inline void eisa_set_drvdata (struct eisa_device *edev, void *data)
{
        edev->dev.driver_data = data;
}

/* The EISA root device. There's rumours about machines with multiple
 * busses (PA-RISC ?), so we try to handle that. */

struct eisa_root_device {
	struct list_head node;
	struct device   *dev;	 /* Pointer to bridge device */
	struct resource *res;
	unsigned long    bus_base_addr;
	int		 slots;  /* Max slot number */
	int              bus_nr; /* Set by eisa_root_register */
};

int eisa_root_register (struct eisa_root_device *root);

#endif
