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#ifndef _LINUX_EISA_H

#define _LINUX_EISA_H

#include <linux/ioport.h>

#include <linux/device.h>

#include <linux/mod_devicetable.h>

#define EISA_MAX_SLOTS 8

#define EISA_MAX_RESOURCES 4

/* 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

#define EISA_CONFIG_OFFSET      0xC84

#define EISA_CONFIG_ENABLED         1

#define EISA_CONFIG_FORCED          2

/* There is not much we can say about an EISA device, apart from

 * signature, slot number, and base address. dma_mask is set by

 * default to parent device mask..*/

struct eisa_device {

        struct eisa_device_id id;

        int                   slot;

        int                   state;

        unsigned long         base_addr;

        struct resource       res[EISA_MAX_RESOURCES];

        u64                   dma_mask;

        struct device         dev; /* generic device */

#ifdef CONFIG_EISA_NAMES

        char                  pretty_name[DEVICE_NAME_SIZE];

#endif

};

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

static inline int eisa_get_region_index (void *addr)

{

        unsigned long x = (unsigned long) addr;

        x &= 0xc00;

        return (x >> 12);

}

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)

/* These external functions are only available when EISA support is enabled. */

#ifdef CONFIG_EISA

extern struct bus_type eisa_bus_type;

int eisa_driver_register (struct eisa_driver *edrv);

void eisa_driver_unregister (struct eisa_driver *edrv);

#else /* !CONFIG_EISA */

static inline int eisa_driver_register (struct eisa_driver *edrv) { return 0; }

static inline void eisa_driver_unregister (struct eisa_driver *edrv) { }

#endif /* !CONFIG_EISA */

/* 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 device   *dev;    /* Pointer to bridge device */

        struct resource *res;

        unsigned long    bus_base_addr;

        int              slots;  /* Max slot number */

        int              force_probe; /* Probe even when no slot 0 */

        u64              dma_mask; /* from bridge device */

        int              bus_nr; /* Set by eisa_root_register */

        struct resource  eisa_root_res; /* ditto */

};

int eisa_root_register (struct eisa_root_device *root);

#ifdef CONFIG_EISA

extern int EISA_bus;

#else

# define EISA_bus 0

#endif

#endif