MOXA linux-2.6.x / linux-2.6.19-uc1 from UC-7110-LX-BOOTLOADER-1.9_VERSION-4.2.tgz
[linux-2.6.19-moxart.git] / include / linux / eisa.h
blob1ff7c1392525884b0f7ee005ae21ff822b01ae56
1 #ifndef _LINUX_EISA_H
2 #define _LINUX_EISA_H
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..*/
34 struct eisa_device {
35 struct eisa_device_id id;
36 int slot;
37 int state;
38 unsigned long base_addr;
39 struct resource res[EISA_MAX_RESOURCES];
40 u64 dma_mask;
41 struct device dev; /* generic device */
42 #ifdef CONFIG_EISA_NAMES
43 char pretty_name[DEVICE_NAME_SIZE];
44 #endif
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;
53 x &= 0xc00;
54 return (x >> 12);
57 struct eisa_driver {
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 extern struct bus_type eisa_bus_type;
65 int eisa_driver_register (struct eisa_driver *edrv);
66 void eisa_driver_unregister (struct eisa_driver *edrv);
68 /* Mimics pci.h... */
69 static inline void *eisa_get_drvdata (struct eisa_device *edev)
71 return edev->dev.driver_data;
74 static inline void eisa_set_drvdata (struct eisa_device *edev, void *data)
76 edev->dev.driver_data = data;
79 /* The EISA root device. There's rumours about machines with multiple
80 * busses (PA-RISC ?), so we try to handle that. */
82 struct eisa_root_device {
83 struct device *dev; /* Pointer to bridge device */
84 struct resource *res;
85 unsigned long bus_base_addr;
86 int slots; /* Max slot number */
87 int force_probe; /* Probe even when no slot 0 */
88 u64 dma_mask; /* from bridge device */
89 int bus_nr; /* Set by eisa_root_register */
90 struct resource eisa_root_res; /* ditto */
93 int eisa_root_register (struct eisa_root_device *root);
95 #ifdef CONFIG_EISA
96 extern int EISA_bus;
97 #else
98 # define EISA_bus 0
99 #endif
101 #endif