Commit | Line | Data |
---|---|---|
1da177e4 LT |
1 | /* |
2 | * ISA Plug & Play support | |
3 | * Copyright (c) by Jaroslav Kysela <perex@suse.cz> | |
4 | * | |
5 | * | |
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. | |
10 | * | |
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. | |
15 | * | |
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. | |
19 | * | |
20 | */ | |
21 | ||
22 | #ifndef LINUX_ISAPNP_H | |
23 | #define LINUX_ISAPNP_H | |
24 | ||
1da177e4 LT |
25 | #include <linux/errno.h> |
26 | #include <linux/pnp.h> | |
27 | ||
1da177e4 LT |
28 | /* |
29 | * | |
30 | */ | |
31 | ||
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)|\ | |
36 | (((x)&0x0f00)>>8)|\ | |
37 | (((x)&0x00f0)<<8)|\ | |
38 | (((x)&0x000f)<<8)) | |
39 | #define ISAPNP_FUNCTION(x) ISAPNP_DEVICE(x) | |
40 | ||
41 | /* | |
42 | * | |
43 | */ | |
44 | ||
45 | #ifdef __KERNEL__ | |
46 | ||
47 | #define DEVICE_COUNT_COMPATIBLE 4 | |
48 | ||
49 | #define ISAPNP_ANY_ID 0xffff | |
50 | #define ISAPNP_CARD_DEVS 8 | |
51 | ||
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) } | |
58 | ||
59 | /* export used IDs outside module */ | |
60 | #define ISAPNP_CARD_TABLE(name) \ | |
61 | MODULE_GENERIC_TABLE(isapnp_card, name) | |
62 | ||
63 | struct isapnp_card_id { | |
64 | unsigned long driver_data; /* data private to the driver */ | |
65 | unsigned short card_vendor, card_device; | |
66 | struct { | |
67 | unsigned short vendor, function; | |
68 | } devs[ISAPNP_CARD_DEVS]; /* logical devices */ | |
69 | }; | |
70 | ||
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 | |
76 | ||
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 */ | |
81 | }; | |
82 | ||
83 | #if defined(CONFIG_ISAPNP) || (defined(CONFIG_ISAPNP_MODULE) && defined(MODULE)) | |
84 | ||
85 | #define __ISAPNP__ | |
86 | ||
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); | |
93 | ||
94 | #ifdef CONFIG_PROC_FS | |
95 | int isapnp_proc_init(void); | |
96 | int isapnp_proc_done(void); | |
97 | #else | |
98 | static inline int isapnp_proc_init(void) { return 0; } | |
99 | static inline int isapnp_proc_done(void) { return 0; } | |
100 | #endif | |
101 | ||
102 | /* compat */ | |
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); | |
110 | ||
111 | #else /* !CONFIG_ISAPNP */ | |
112 | ||
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) { ; } | |
119 | ||
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; } | |
127 | ||
128 | #endif /* CONFIG_ISAPNP */ | |
129 | ||
130 | #endif /* __KERNEL__ */ | |
131 | #endif /* LINUX_ISAPNP_H */ |