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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 428 | giacomo | 1 | /* |
| 2 | * PCI Class and Device Name Tables |
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| 3 | * |
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| 4 | * Copyright 1993--1999 Drew Eckhardt, Frederic Potter, |
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| 5 | * David Mosberger-Tang, Martin Mares |
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| 6 | */ |
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| 7 | |||
| 8 | #include <linux/config.h> |
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| 9 | #include <linux/types.h> |
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| 10 | #include <linux/kernel.h> |
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| 11 | #include <linux/pci.h> |
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| 12 | #include <linux/init.h> |
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| 13 | |||
| 14 | #ifdef CONFIG_PCI_NAMES |
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| 15 | |||
| 16 | struct pci_device_info { |
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| 17 | unsigned short device; |
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| 18 | unsigned short seen; |
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| 19 | const char *name; |
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| 20 | }; |
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| 21 | |||
| 22 | struct pci_vendor_info { |
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| 23 | unsigned short vendor; |
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| 24 | unsigned short nr; |
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| 25 | const char *name; |
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| 26 | struct pci_device_info *devices; |
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| 27 | }; |
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| 28 | |||
| 29 | /* |
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| 30 | * This is ridiculous, but we want the strings in |
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| 31 | * the .init section so that they don't take up |
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| 32 | * real memory.. Parse the same file multiple times |
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| 33 | * to get all the info. |
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| 34 | */ |
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| 35 | #define VENDOR( vendor, name ) static char __vendorstr_##vendor[] __devinitdata = name; |
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| 36 | #define ENDVENDOR() |
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| 37 | #define DEVICE( vendor, device, name ) static char __devicestr_##vendor##device[] __devinitdata = name; |
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| 38 | #include "devlist.h" |
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| 39 | |||
| 40 | |||
| 41 | #define VENDOR( vendor, name ) static struct pci_device_info __devices_##vendor[] __devinitdata = { |
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| 42 | #define ENDVENDOR() }; |
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| 43 | #define DEVICE( vendor, device, name ) { 0x##device, 0, __devicestr_##vendor##device }, |
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| 44 | #include "devlist.h" |
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| 45 | |||
| 46 | static struct pci_vendor_info __devinitdata pci_vendor_list[] = { |
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| 47 | #define VENDOR( vendor, name ) { 0x##vendor, sizeof(__devices_##vendor) / sizeof(struct pci_device_info), __vendorstr_##vendor, __devices_##vendor }, |
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| 48 | #define ENDVENDOR() |
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| 49 | #define DEVICE( vendor, device, name ) |
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| 50 | #include "devlist.h" |
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| 51 | }; |
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| 52 | |||
| 53 | #define VENDORS (sizeof(pci_vendor_list)/sizeof(struct pci_vendor_info)) |
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| 54 | |||
| 55 | void __devinit pci_name_device(struct pci_dev *dev) |
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| 56 | { |
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| 57 | const struct pci_vendor_info *vendor_p = pci_vendor_list; |
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| 58 | int i = VENDORS; |
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| 59 | char *name = dev->pretty_name; |
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| 60 | |||
| 61 | do { |
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| 62 | if (vendor_p->vendor == dev->vendor) |
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| 63 | goto match_vendor; |
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| 64 | vendor_p++; |
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| 65 | } while (--i); |
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| 66 | |||
| 67 | /* Couldn't find either the vendor nor the device */ |
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| 68 | sprintf(name, "PCI device %04x:%04x", dev->vendor, dev->device); |
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| 69 | return; |
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| 70 | |||
| 71 | match_vendor: { |
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| 72 | struct pci_device_info *device_p = vendor_p->devices; |
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| 73 | int i = vendor_p->nr; |
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| 74 | |||
| 75 | while (i > 0) { |
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| 76 | if (device_p->device == dev->device) |
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| 77 | goto match_device; |
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| 78 | device_p++; |
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| 79 | i--; |
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| 80 | } |
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| 81 | |||
| 82 | /* Ok, found the vendor, but unknown device */ |
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| 83 | sprintf(name, "PCI device %04x:%04x (%." PCI_NAME_HALF "s)", |
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| 84 | dev->vendor, dev->device, vendor_p->name); |
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| 85 | return; |
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| 86 | |||
| 87 | /* Full match */ |
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| 88 | match_device: { |
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| 89 | char *n = name + sprintf(name, "%." PCI_NAME_HALF |
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| 90 | "s %." PCI_NAME_HALF "s", |
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| 91 | vendor_p->name, device_p->name); |
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| 92 | int nr = device_p->seen + 1; |
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| 93 | device_p->seen = nr; |
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| 94 | if (nr > 1) |
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| 95 | sprintf(n, " (#%d)", nr); |
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| 96 | } |
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| 97 | } |
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| 98 | } |
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| 99 | |||
| 100 | /* |
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| 101 | * Class names. Not in .init section as they are needed in runtime. |
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| 102 | */ |
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| 103 | |||
| 104 | static u16 pci_class_numbers[] = { |
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| 105 | #define CLASS(x,y) 0x##x, |
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| 106 | #include "classlist.h" |
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| 107 | }; |
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| 108 | |||
| 109 | static char *pci_class_names[] = { |
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| 110 | #define CLASS(x,y) y, |
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| 111 | #include "classlist.h" |
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| 112 | }; |
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| 113 | |||
| 114 | char * |
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| 115 | pci_class_name(u32 class) |
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| 116 | { |
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| 117 | int i; |
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| 118 | |||
| 119 | for(i=0; i<sizeof(pci_class_numbers)/sizeof(pci_class_numbers[0]); i++) |
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| 120 | if (pci_class_numbers[i] == class) |
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| 121 | return pci_class_names[i]; |
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| 122 | return NULL; |
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| 123 | } |
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| 124 | |||
| 125 | #else |
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| 126 | |||
| 127 | void __devinit pci_name_device(struct pci_dev *dev) |
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| 128 | { |
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| 129 | } |
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| 130 | |||
| 131 | char * |
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| 132 | pci_class_name(u32 class) |
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| 133 | { |
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| 134 | return NULL; |
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| 135 | } |
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| 136 | |||
| 137 | #endif /* CONFIG_PCI_NAMES */ |
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| 138 |