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