2 * compat.c - A series of functions to make it easier to convert drivers that use
3 * the old isapnp APIs. If possible use the new APIs instead.
5 * Copyright 2002 Adam Belay <ambx1@neo.rr.com>
9 /* TODO: see if more isapnp functions are needed here */
11 #include <linux/config.h>
12 #include <linux/module.h>
13 #include <linux/isapnp.h>
14 #include <linux/string.h>
16 static void pnp_convert_id(char *buf, unsigned short vendor, unsigned short device)
18 sprintf(buf, "%c%c%c%x%x%x%x",
19 'A' + ((vendor >> 2) & 0x3f) - 1,
20 'A' + (((vendor & 3) << 3) | ((vendor >> 13) & 7)) - 1,
21 'A' + ((vendor >> 8) & 0x1f) - 1,
24 (device >> 12) & 0x0f,
25 (device >> 8) & 0x0f);
28 struct pnp_card *pnp_find_card(unsigned short vendor,
29 unsigned short device,
30 struct pnp_card *from)
34 struct list_head *list;
35 pnp_convert_id(id, vendor, device);
36 pnp_convert_id(any, ISAPNP_ANY_ID, ISAPNP_ANY_ID);
38 list = from ? from->global_list.next : pnp_cards.next;
40 while (list != &pnp_cards) {
41 struct pnp_card *card = global_to_pnp_card(list);
42 if (compare_pnp_id(card->id,id) || (memcmp(id,any,7)==0))
49 struct pnp_dev *pnp_find_dev(struct pnp_card *card,
50 unsigned short vendor,
51 unsigned short function,
56 pnp_convert_id(id, vendor, function);
57 pnp_convert_id(any, ISAPNP_ANY_ID, ISAPNP_ANY_ID);
58 if (card == NULL) { /* look for a logical device from all cards */
59 struct list_head *list;
61 list = pnp_global.next;
63 list = from->global_list.next;
65 while (list != &pnp_global) {
66 struct pnp_dev *dev = global_to_pnp_dev(list);
67 if (compare_pnp_id(dev->id,id) || (memcmp(id,any,7)==0))
72 struct list_head *list;
74 list = card->devices.next;
76 list = from->card_list.next;
77 if (from->card != card) /* something is wrong */
80 while (list != &card->devices) {
81 struct pnp_dev *dev = card_to_pnp_dev(list);
82 if (compare_pnp_id(dev->id,id))
90 EXPORT_SYMBOL(pnp_find_card);
91 EXPORT_SYMBOL(pnp_find_dev);