]>
git.proxmox.com Git - mirror_ubuntu-jammy-kernel.git/blob - drivers/pnp/isapnp/compat.c
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/module.h>
12 #include <linux/isapnp.h>
13 #include <linux/string.h>
15 static void pnp_convert_id(char *buf
, unsigned short vendor
, unsigned short device
)
17 sprintf(buf
, "%c%c%c%x%x%x%x",
18 'A' + ((vendor
>> 2) & 0x3f) - 1,
19 'A' + (((vendor
& 3) << 3) | ((vendor
>> 13) & 7)) - 1,
20 'A' + ((vendor
>> 8) & 0x1f) - 1,
23 (device
>> 12) & 0x0f,
24 (device
>> 8) & 0x0f);
27 struct pnp_card
*pnp_find_card(unsigned short vendor
,
28 unsigned short device
,
29 struct pnp_card
*from
)
33 struct list_head
*list
;
34 pnp_convert_id(id
, vendor
, device
);
35 pnp_convert_id(any
, ISAPNP_ANY_ID
, ISAPNP_ANY_ID
);
37 list
= from
? from
->global_list
.next
: pnp_cards
.next
;
39 while (list
!= &pnp_cards
) {
40 struct pnp_card
*card
= global_to_pnp_card(list
);
41 if (compare_pnp_id(card
->id
,id
) || (memcmp(id
,any
,7)==0))
48 struct pnp_dev
*pnp_find_dev(struct pnp_card
*card
,
49 unsigned short vendor
,
50 unsigned short function
,
55 pnp_convert_id(id
, vendor
, function
);
56 pnp_convert_id(any
, ISAPNP_ANY_ID
, ISAPNP_ANY_ID
);
57 if (card
== NULL
) { /* look for a logical device from all cards */
58 struct list_head
*list
;
60 list
= pnp_global
.next
;
62 list
= from
->global_list
.next
;
64 while (list
!= &pnp_global
) {
65 struct pnp_dev
*dev
= global_to_pnp_dev(list
);
66 if (compare_pnp_id(dev
->id
,id
) || (memcmp(id
,any
,7)==0))
71 struct list_head
*list
;
73 list
= card
->devices
.next
;
75 list
= from
->card_list
.next
;
76 if (from
->card
!= card
) /* something is wrong */
79 while (list
!= &card
->devices
) {
80 struct pnp_dev
*dev
= card_to_pnp_dev(list
);
81 if (compare_pnp_id(dev
->id
,id
))
89 EXPORT_SYMBOL(pnp_find_card
);
90 EXPORT_SYMBOL(pnp_find_dev
);