1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
|
/*
* ISA Plug & Play support
* Copyright (c) by Jaroslav Kysela <perex@suse.cz>
*
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*
*/
#ifndef LINUX_ISAPNP_H
#define LINUX_ISAPNP_H
#include <linux/config.h>
#include <linux/errno.h>
/*
* Configuration registers (TODO: change by specification)
*/
#define ISAPNP_CFG_ACTIVATE 0x30 /* byte */
#define ISAPNP_CFG_MEM 0x40 /* 4 * dword */
#define ISAPNP_CFG_PORT 0x60 /* 8 * word */
#define ISAPNP_CFG_IRQ 0x70 /* 2 * word */
#define ISAPNP_CFG_DMA 0x74 /* 2 * byte */
/*
*
*/
#define ISAPNP_VENDOR(a,b,c) (((((a)-'A'+1)&0x3f)<<2)|\
((((b)-'A'+1)&0x18)>>3)|((((b)-'A'+1)&7)<<13)|\
((((c)-'A'+1)&0x1f)<<8))
#define ISAPNP_DEVICE(x) ((((x)&0xf000)>>8)|\
(((x)&0x0f00)>>8)|\
(((x)&0x00f0)<<8)|\
(((x)&0x000f)<<8))
#define ISAPNP_FUNCTION(x) ISAPNP_DEVICE(x)
/*
*
*/
#ifdef __KERNEL__
#include <linux/pci.h>
#define ISAPNP_PORT_FLAG_16BITADDR (1<<0)
#define ISAPNP_PORT_FLAG_FIXED (1<<1)
struct isapnp_port {
unsigned short min; /* min base number */
unsigned short max; /* max base number */
unsigned char align; /* align boundary */
unsigned char size; /* size of range */
unsigned char flags; /* port flags */
unsigned char pad; /* pad */
struct isapnp_resources *res; /* parent */
struct isapnp_port *next; /* next port */
};
struct isapnp_irq {
unsigned short map; /* bitmaks for IRQ lines */
unsigned char flags; /* IRQ flags */
unsigned char pad; /* pad */
struct isapnp_resources *res; /* parent */
struct isapnp_irq *next; /* next IRQ */
};
struct isapnp_dma {
unsigned char map; /* bitmask for DMA channels */
unsigned char flags; /* DMA flags */
struct isapnp_resources *res; /* parent */
struct isapnp_dma *next; /* next port */
};
struct isapnp_mem {
unsigned int min; /* min base number */
unsigned int max; /* max base number */
unsigned int align; /* align boundary */
unsigned int size; /* size of range */
unsigned char flags; /* memory flags */
unsigned char pad; /* pad */
struct isapnp_resources *res; /* parent */
struct isapnp_mem *next; /* next memory resource */
};
struct isapnp_mem32 {
/* TODO */
unsigned char data[17];
struct isapnp_resources *res; /* parent */
struct isapnp_mem32 *next; /* next 32-bit memory resource */
};
struct isapnp_fixup {
unsigned short vendor; /* matching vendor */
unsigned short device; /* matching device */
void (*quirk_function)(struct pci_dev *dev); /* fixup function */
};
#define ISAPNP_RES_PRIORITY_PREFERRED 0
#define ISAPNP_RES_PRIORITY_ACCEPTABLE 1
#define ISAPNP_RES_PRIORITY_FUNCTIONAL 2
#define ISAPNP_RES_PRIORITY_INVALID 65535
struct isapnp_resources {
unsigned short priority; /* priority */
unsigned short dependent; /* dependent resources */
struct isapnp_port *port; /* first port */
struct isapnp_irq *irq; /* first IRQ */
struct isapnp_dma *dma; /* first DMA */
struct isapnp_mem *mem; /* first memory resource */
struct isapnp_mem32 *mem32; /* first 32-bit memory */
struct pci_dev *dev; /* parent */
struct isapnp_resources *alt; /* alternative resource (aka dependent resources) */
struct isapnp_resources *next; /* next resource */
};
#if defined(CONFIG_ISAPNP) || (defined(CONFIG_ISAPNP_MODULE) && defined(MODULE))
#define __ISAPNP__
/* lowlevel configuration */
int isapnp_present(void);
int isapnp_cfg_begin(int csn, int device);
int isapnp_cfg_end(void);
unsigned char isapnp_read_byte(unsigned char idx);
unsigned short isapnp_read_word(unsigned char idx);
unsigned int isapnp_read_dword(unsigned char idx);
void isapnp_write_byte(unsigned char idx, unsigned char val);
void isapnp_write_word(unsigned char idx, unsigned short val);
void isapnp_write_dword(unsigned char idx, unsigned int val);
void isapnp_wake(unsigned char csn);
void isapnp_device(unsigned char device);
void isapnp_activate(unsigned char device);
void isapnp_deactivate(unsigned char device);
void isapnp_fixup_device(struct pci_dev *dev);
void *isapnp_alloc(long size);
int isapnp_proc_init(void);
int isapnp_proc_done(void);
/* manager */
struct pci_bus *isapnp_find_card(unsigned short vendor,
unsigned short device,
struct pci_bus *from);
struct pci_dev *isapnp_find_dev(struct pci_bus *card,
unsigned short vendor,
unsigned short function,
struct pci_dev *from);
/* misc */
void isapnp_resource_change(struct resource *resource,
unsigned long start,
unsigned long size);
/* init/main.c */
int isapnp_init(void);
extern struct list_head isapnp_cards;
extern struct list_head isapnp_devices;
#define isapnp_for_each_card(card) \
for(card = pci_bus_b(isapnp_cards.next); card != pci_bus_b(&isapnp_cards); card = pci_bus_b(card->node.next))
#define isapnp_for_each_dev(dev) \
for(dev = pci_dev_g(isapnp_devices.next); dev != pci_dev_g(&isapnp_devices); dev = pci_dev_g(dev->global_list.next))
#else /* !CONFIG_ISAPNP */
/* lowlevel configuration */
extern inline int isapnp_present(void) { return 0; }
extern inline int isapnp_cfg_begin(int csn, int device) { return -ENODEV; }
extern inline int isapnp_cfg_end(void) { return -ENODEV; }
extern inline unsigned char isapnp_read_byte(unsigned char idx) { return 0xff; }
extern inline unsigned short isapnp_read_word(unsigned char idx) { return 0xffff; }
extern inline unsigned int isapnp_read_dword(unsigned char idx) { return 0xffffffff; }
extern inline void isapnp_write_byte(unsigned char idx, unsigned char val) { ; }
extern inline void isapnp_write_word(unsigned char idx, unsigned short val) { ; }
extern inline void isapnp_write_dword(unsigned char idx, unsigned int val) { ; }
extern inline void isapnp_wake(unsigned char csn) { ; }
extern inline void isapnp_device(unsigned char device) { ; }
extern inline void isapnp_activate(unsigned char device) { ; }
extern inline void isapnp_deactivate(unsigned char device) { ; }
/* manager */
extern inline struct pci_bus *isapnp_find_card(unsigned short vendor,
unsigned short device,
struct pci_bus *from) { return NULL; }
extern inline struct pci_dev *isapnp_find_dev(struct pci_bus *card,
unsigned short vendor,
unsigned short function,
struct pci_dev *from) { return NULL; }
extern inline void isapnp_resource_change(struct resource *resource,
unsigned long start,
unsigned long size) { ; }
#endif /* CONFIG_ISAPNP */
#endif /* __KERNEL__ */
#endif /* LINUX_ISAPNP_H */
|
