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1 | #ifndef PCI_H |
1 | #ifndef PCI_H |
2 | #define PCI_H |
2 | #define PCI_H |
3 | 3 | ||
4 | //#include <arch/types.h> |
4 | //#include <arch/types.h> |
5 | #include <libadt/list.h> |
5 | #include <adt/list.h> |
6 | #include <stdio.h> |
6 | #include <stdio.h> |
7 | #include <stdlib.h> |
7 | #include <stdlib.h> |
- | 8 | #include <string.h> |
|
8 | 9 | ||
9 | struct pci_drv; |
10 | struct pci_drv; |
10 | struct pci_dev; |
11 | struct pci_dev; |
11 | struct pci_bus; |
12 | struct pci_bus; |
12 | struct pci_drv_ops; |
13 | struct pci_drv_ops; |
13 | 14 | ||
14 | typedef struct pci_drv pci_drv_t; |
15 | typedef struct pci_drv pci_drv_t; |
15 | typedef struct pci_dev pci_dev_t; |
16 | typedef struct pci_dev pci_dev_t; |
16 | typedef struct pci_bus pci_bus_t; |
17 | typedef struct pci_bus pci_bus_t; |
17 | typedef struct pci_drv_ops pci_drv_ops_t; |
18 | typedef struct pci_drv_ops pci_drv_ops_t; |
18 | 19 | ||
19 | struct pci_drv { |
20 | struct pci_drv { |
20 | link_t link; |
21 | link_t link; |
21 | int vendor_id; |
22 | int vendor_id; |
22 | int device_id; |
23 | int device_id; |
23 | pci_drv_ops_t *ops; |
24 | pci_drv_ops_t *ops; |
24 | }; |
25 | }; |
25 | 26 | ||
26 | struct pci_dev{ |
27 | struct pci_dev{ |
27 | link_t link; |
28 | link_t link; |
28 | pci_bus_t *bus; |
29 | pci_bus_t *bus; |
29 | int dev; |
30 | int dev; |
30 | int fn; |
31 | int fn; |
31 | 32 | ||
32 | int vendor_id; |
33 | int vendor_id; |
33 | int device_id; |
34 | int device_id; |
34 | pci_drv_t *driver; |
35 | pci_drv_t *driver; |
35 | }; |
36 | }; |
36 | 37 | ||
37 | struct pci_drv_ops { |
38 | struct pci_drv_ops { |
38 | int (*add_device)(pci_dev_t *dev); |
39 | int (*add_device)(pci_dev_t *dev); |
39 | 40 | ||
40 | }; |
41 | }; |
41 | 42 | ||
42 | struct pci_bus { |
43 | struct pci_bus { |
43 | link_t link; |
44 | link_t link; |
44 | int num; |
45 | int num; |
45 | // architecture-specific usage |
46 | // architecture-specific usage |
46 | void *data; |
47 | void *data; |
47 | }; |
48 | }; |
48 | 49 | ||
49 | void pci_bus_register(pci_bus_t *bus); |
50 | void pci_bus_register(pci_bus_t *bus); |
50 | void pci_device_register(pci_dev_t *dev); |
51 | void pci_device_register(pci_dev_t *dev); |
51 | void pci_driver_register(pci_drv_t *drv); |
52 | void pci_driver_register(pci_drv_t *drv); |
52 | 53 | ||
53 | void pci_bus_scan(pci_bus_t *bus); |
54 | void pci_bus_scan(pci_bus_t *bus); |
54 | 55 | ||
55 | static inline pci_bus_t* pci_alloc_bus() |
56 | static inline pci_bus_t* pci_alloc_bus() |
56 | { |
57 | { |
57 | pci_bus_t *bus = (pci_bus_t *)malloc(sizeof(pci_bus_t)); |
58 | pci_bus_t *bus = (pci_bus_t *)malloc(sizeof(pci_bus_t)); |
58 | link_initialize(&bus->link); |
59 | link_initialize(&bus->link); |
59 | bus->num = 0; |
60 | bus->num = 0; |
60 | bus->data = NULL; |
61 | bus->data = NULL; |
61 | return bus; |
62 | return bus; |
62 | } |
63 | } |
63 | 64 | ||
64 | // arch. spec. initialization of pci bus structure - of its data member |
65 | // arch. spec. initialization of pci bus structure - of its data member |
65 | void pci_init_bus_data(pci_bus_t *bus, pci_bus_t *parent); |
66 | void pci_init_bus_data(pci_bus_t *bus, pci_bus_t *parent); |
66 | 67 | ||
67 | static inline void pci_init_bus(pci_bus_t *bus, pci_bus_t *parent, int bus_num) |
68 | static inline void pci_init_bus(pci_bus_t *bus, pci_bus_t *parent, int bus_num) |
68 | { |
69 | { |
69 | bus->num = bus_num; |
70 | bus->num = bus_num; |
70 | pci_init_bus_data(bus, parent); |
71 | pci_init_bus_data(bus, parent); |
71 | } |
72 | } |
72 | 73 | ||
73 | static inline void pci_free_bus(pci_bus_t *bus) |
74 | static inline void pci_free_bus(pci_bus_t *bus) |
74 | { |
75 | { |
75 | free(bus); |
76 | free(bus); |
76 | } |
77 | } |
77 | 78 | ||
78 | static inline pci_dev_t* pci_alloc_dev() |
79 | static inline pci_dev_t* pci_alloc_dev() |
79 | { |
80 | { |
80 | pci_dev_t *dev = (pci_dev_t *)malloc(sizeof(pci_dev_t)); |
81 | pci_dev_t *dev = (pci_dev_t *)malloc(sizeof(pci_dev_t)); |
81 | bzero(dev, sizeof(pci_dev_t)); |
82 | bzero(dev, sizeof(pci_dev_t)); |
82 | link_initialize(&dev->link); |
83 | link_initialize(&dev->link); |
83 | return dev; |
84 | return dev; |
84 | } |
85 | } |
85 | 86 | ||
86 | static inline void pci_init_dev(pci_dev_t *dev, pci_bus_t *bus, int devnum, int fn) |
87 | static inline void pci_init_dev(pci_dev_t *dev, pci_bus_t *bus, int devnum, int fn) |
87 | { |
88 | { |
88 | dev->bus = bus; |
89 | dev->bus = bus; |
89 | dev->dev = devnum; |
90 | dev->dev = devnum; |
90 | dev->fn = fn; |
91 | dev->fn = fn; |
91 | } |
92 | } |
92 | 93 | ||
93 | static inline void pci_free_dev(pci_dev_t *dev) |
94 | static inline void pci_free_dev(pci_dev_t *dev) |
94 | { |
95 | { |
95 | free(dev); |
96 | free(dev); |
96 | } |
97 | } |
97 | 98 | ||
98 | #endif |
99 | #endif |
99 | 100 |