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git.proxmox.com Git - mirror_ubuntu-zesty-kernel.git/blob - include/linux/isapnp.h
2 * ISA Plug & Play support
3 * Copyright (c) by Jaroslav Kysela <perex@suse.cz>
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
22 #ifndef LINUX_ISAPNP_H
23 #define LINUX_ISAPNP_H
25 #include <linux/errno.h>
26 #include <linux/pnp.h>
32 #define ISAPNP_VENDOR(a,b,c) (((((a)-'A'+1)&0x3f)<<2)|\
33 ((((b)-'A'+1)&0x18)>>3)|((((b)-'A'+1)&7)<<13)|\
34 ((((c)-'A'+1)&0x1f)<<8))
35 #define ISAPNP_DEVICE(x) ((((x)&0xf000)>>8)|\
39 #define ISAPNP_FUNCTION(x) ISAPNP_DEVICE(x)
47 #define DEVICE_COUNT_COMPATIBLE 4
49 #define ISAPNP_ANY_ID 0xffff
50 #define ISAPNP_CARD_DEVS 8
52 #define ISAPNP_CARD_ID(_va, _vb, _vc, _device) \
53 .card_vendor = ISAPNP_VENDOR(_va, _vb, _vc), .card_device = ISAPNP_DEVICE(_device)
54 #define ISAPNP_CARD_END \
55 .card_vendor = 0, .card_device = 0
56 #define ISAPNP_DEVICE_ID(_va, _vb, _vc, _function) \
57 { .vendor = ISAPNP_VENDOR(_va, _vb, _vc), .function = ISAPNP_FUNCTION(_function) }
59 /* export used IDs outside module */
60 #define ISAPNP_CARD_TABLE(name) \
61 MODULE_GENERIC_TABLE(isapnp_card, name)
63 struct isapnp_card_id
{
64 unsigned long driver_data
; /* data private to the driver */
65 unsigned short card_vendor
, card_device
;
67 unsigned short vendor
, function
;
68 } devs
[ISAPNP_CARD_DEVS
]; /* logical devices */
71 #define ISAPNP_DEVICE_SINGLE(_cva, _cvb, _cvc, _cdevice, _dva, _dvb, _dvc, _dfunction) \
72 .card_vendor = ISAPNP_VENDOR(_cva, _cvb, _cvc), .card_device = ISAPNP_DEVICE(_cdevice), \
73 .vendor = ISAPNP_VENDOR(_dva, _dvb, _dvc), .function = ISAPNP_FUNCTION(_dfunction)
74 #define ISAPNP_DEVICE_SINGLE_END \
75 .card_vendor = 0, .card_device = 0
77 struct isapnp_device_id
{
78 unsigned short card_vendor
, card_device
;
79 unsigned short vendor
, function
;
80 unsigned long driver_data
; /* data private to the driver */
83 #if defined(CONFIG_ISAPNP) || (defined(CONFIG_ISAPNP_MODULE) && defined(MODULE))
87 /* lowlevel configuration */
88 int isapnp_present(void);
89 int isapnp_cfg_begin(int csn
, int device
);
90 int isapnp_cfg_end(void);
91 unsigned char isapnp_read_byte(unsigned char idx
);
92 void isapnp_write_byte(unsigned char idx
, unsigned char val
);
95 int isapnp_proc_init(void);
96 int isapnp_proc_done(void);
98 static inline int isapnp_proc_init(void) { return 0; }
99 static inline int isapnp_proc_done(void) { return 0; }
103 struct pnp_card
*pnp_find_card(unsigned short vendor
,
104 unsigned short device
,
105 struct pnp_card
*from
);
106 struct pnp_dev
*pnp_find_dev(struct pnp_card
*card
,
107 unsigned short vendor
,
108 unsigned short function
,
109 struct pnp_dev
*from
);
111 #else /* !CONFIG_ISAPNP */
113 /* lowlevel configuration */
114 static inline int isapnp_present(void) { return 0; }
115 static inline int isapnp_cfg_begin(int csn
, int device
) { return -ENODEV
; }
116 static inline int isapnp_cfg_end(void) { return -ENODEV
; }
117 static inline unsigned char isapnp_read_byte(unsigned char idx
) { return 0xff; }
118 static inline void isapnp_write_byte(unsigned char idx
, unsigned char val
) { ; }
120 static inline struct pnp_card
*pnp_find_card(unsigned short vendor
,
121 unsigned short device
,
122 struct pnp_card
*from
) { return NULL
; }
123 static inline struct pnp_dev
*pnp_find_dev(struct pnp_card
*card
,
124 unsigned short vendor
,
125 unsigned short function
,
126 struct pnp_dev
*from
) { return NULL
; }
128 #endif /* CONFIG_ISAPNP */
130 #endif /* __KERNEL__ */
131 #endif /* LINUX_ISAPNP_H */