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