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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 4399 | trochtova | 1 | #ifndef PCI_H |
| 2 | #define PCI_H |
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| 3 | |||
| 4537 | trochtova | 4 | #include <adt/list.h> |
| 4399 | trochtova | 5 | #include <stdio.h> |
| 4438 | trochtova | 6 | #include <stdlib.h> |
| 4537 | trochtova | 7 | #include <string.h> |
| 4399 | trochtova | 8 | |
| 9 | struct pci_drv; |
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| 10 | struct pci_dev; |
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| 11 | struct pci_bus; |
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| 12 | struct pci_drv_ops; |
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| 13 | |||
| 14 | typedef struct pci_drv pci_drv_t; |
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| 15 | typedef struct pci_dev pci_dev_t; |
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| 16 | typedef struct pci_bus pci_bus_t; |
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| 17 | typedef struct pci_drv_ops pci_drv_ops_t; |
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| 18 | |||
| 19 | struct pci_drv { |
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| 4667 | trochtova | 20 | const char *name; |
| 4399 | trochtova | 21 | link_t link; |
| 22 | int vendor_id; |
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| 23 | int device_id; |
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| 24 | pci_drv_ops_t *ops; |
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| 25 | }; |
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| 26 | |||
| 27 | struct pci_dev{ |
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| 28 | link_t link; |
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| 29 | pci_bus_t *bus; |
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| 30 | int dev; |
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| 31 | int fn; |
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| 32 | |||
| 33 | int vendor_id; |
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| 34 | int device_id; |
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| 35 | pci_drv_t *driver; |
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| 36 | }; |
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| 37 | |||
| 38 | struct pci_drv_ops { |
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| 39 | int (*add_device)(pci_dev_t *dev); |
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| 40 | |||
| 41 | }; |
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| 42 | |||
| 43 | struct pci_bus { |
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| 44 | link_t link; |
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| 45 | int num; |
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| 46 | // architecture-specific usage |
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| 47 | void *data; |
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| 48 | }; |
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| 49 | |||
| 50 | void pci_bus_register(pci_bus_t *bus); |
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| 51 | void pci_device_register(pci_dev_t *dev); |
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| 52 | void pci_driver_register(pci_drv_t *drv); |
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| 53 | |||
| 54 | void pci_bus_scan(pci_bus_t *bus); |
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| 55 | |||
| 56 | static inline pci_bus_t* pci_alloc_bus() |
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| 57 | { |
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| 58 | pci_bus_t *bus = (pci_bus_t *)malloc(sizeof(pci_bus_t)); |
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| 59 | link_initialize(&bus->link); |
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| 60 | bus->num = 0; |
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| 61 | bus->data = NULL; |
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| 62 | return bus; |
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| 63 | } |
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| 64 | |||
| 65 | // arch. spec. initialization of pci bus structure - of its data member |
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| 66 | void pci_init_bus_data(pci_bus_t *bus, pci_bus_t *parent); |
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| 67 | |||
| 68 | static inline void pci_init_bus(pci_bus_t *bus, pci_bus_t *parent, int bus_num) |
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| 69 | { |
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| 70 | bus->num = bus_num; |
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| 71 | pci_init_bus_data(bus, parent); |
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| 72 | } |
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| 73 | |||
| 74 | static inline void pci_free_bus(pci_bus_t *bus) |
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| 75 | { |
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| 76 | free(bus); |
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| 77 | } |
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| 78 | |||
| 79 | static inline pci_dev_t* pci_alloc_dev() |
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| 80 | { |
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| 81 | pci_dev_t *dev = (pci_dev_t *)malloc(sizeof(pci_dev_t)); |
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| 82 | bzero(dev, sizeof(pci_dev_t)); |
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| 83 | link_initialize(&dev->link); |
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| 84 | return dev; |
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| 85 | } |
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| 86 | |||
| 87 | static inline void pci_init_dev(pci_dev_t *dev, pci_bus_t *bus, int devnum, int fn) |
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| 88 | { |
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| 89 | dev->bus = bus; |
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| 90 | dev->dev = devnum; |
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| 91 | dev->fn = fn; |
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| 92 | } |
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| 93 | |||
| 94 | static inline void pci_free_dev(pci_dev_t *dev) |
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| 95 | { |
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| 96 | free(dev); |
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| 97 | } |
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| 98 | |||
| 99 | #endif |