4 #include <linux/ioport.h>
5 #include <linux/device.h>
6 #include <linux/mod_devicetable.h>
8 #define EISA_MAX_SLOTS 8
10 #define EISA_MAX_RESOURCES 4
12 /* A few EISA constants/offsets... */
14 #define EISA_DMA1_STATUS 8
15 #define EISA_INT1_CTRL 0x20
16 #define EISA_INT1_MASK 0x21
17 #define EISA_INT2_CTRL 0xA0
18 #define EISA_INT2_MASK 0xA1
19 #define EISA_DMA2_STATUS 0xD0
20 #define EISA_DMA2_WRITE_SINGLE 0xD4
21 #define EISA_EXT_NMI_RESET_CTRL 0x461
22 #define EISA_INT1_EDGE_LEVEL 0x4D0
23 #define EISA_INT2_EDGE_LEVEL 0x4D1
24 #define EISA_VENDOR_ID_OFFSET 0xC80
25 #define EISA_CONFIG_OFFSET 0xC84
27 #define EISA_CONFIG_ENABLED 1
28 #define EISA_CONFIG_FORCED 2
30 /* There is not much we can say about an EISA device, apart from
31 * signature, slot number, and base address. dma_mask is set by
32 * default to parent device mask..*/
35 struct eisa_device_id id
;
38 unsigned long base_addr
;
39 struct resource res
[EISA_MAX_RESOURCES
];
41 struct device dev
; /* generic device */
42 #ifdef CONFIG_EISA_NAMES
47 #define to_eisa_device(n) container_of(n, struct eisa_device, dev)
49 static inline int eisa_get_region_index (void *addr
)
51 unsigned long x
= (unsigned long) addr
;
58 const struct eisa_device_id
*id_table
;
59 struct device_driver driver
;
62 #define to_eisa_driver(drv) container_of(drv,struct eisa_driver, driver)
64 /* These external functions are only available when EISA support is enabled. */
67 extern struct bus_type eisa_bus_type
;
68 int eisa_driver_register (struct eisa_driver
*edrv
);
69 void eisa_driver_unregister (struct eisa_driver
*edrv
);
71 #else /* !CONFIG_EISA */
73 static inline int eisa_driver_register (struct eisa_driver
*edrv
) { return 0; }
74 static inline void eisa_driver_unregister (struct eisa_driver
*edrv
) { }
76 #endif /* !CONFIG_EISA */
79 static inline void *eisa_get_drvdata (struct eisa_device
*edev
)
81 return dev_get_drvdata(&edev
->dev
);
84 static inline void eisa_set_drvdata (struct eisa_device
*edev
, void *data
)
86 dev_set_drvdata(&edev
->dev
, data
);
89 /* The EISA root device. There's rumours about machines with multiple
90 * busses (PA-RISC ?), so we try to handle that. */
92 struct eisa_root_device
{
93 struct device
*dev
; /* Pointer to bridge device */
95 unsigned long bus_base_addr
;
96 int slots
; /* Max slot number */
97 int force_probe
; /* Probe even when no slot 0 */
98 u64 dma_mask
; /* from bridge device */
99 int bus_nr
; /* Set by eisa_root_register */
100 struct resource eisa_root_res
; /* ditto */
103 int eisa_root_register (struct eisa_root_device
*root
);
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