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
|
/*
* cs_internal.h
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* The initial developer of the original code is David A. Hinds
* <dahinds@users.sourceforge.net>. Portions created by David A. Hinds
* are Copyright (C) 1999 David A. Hinds. All Rights Reserved.
*
* (C) 1999 David A. Hinds
*/
#ifndef _LINUX_CS_INTERNAL_H
#define _LINUX_CS_INTERNAL_H
#include <linux/config.h>
#define CLIENT_MAGIC 0x51E6
typedef struct client_t client_t;
/* Flags in client state */
#define CLIENT_CONFIG_LOCKED 0x0001
#define CLIENT_IRQ_REQ 0x0002
#define CLIENT_IO_REQ 0x0004
#define CLIENT_UNBOUND 0x0008
#define CLIENT_STALE 0x0010
#define CLIENT_WIN_REQ(i) (0x20<<(i))
#define CLIENT_CARDBUS 0x8000
#define REGION_MAGIC 0xE3C9
typedef struct region_t {
u_short region_magic;
u_short state;
dev_info_t dev_info;
client_handle_t mtd;
u_int MediaID;
region_info_t info;
} region_t;
#define REGION_STALE 0x01
/* Each card function gets one of these guys */
typedef struct config_t {
u_int state;
u_int Attributes;
u_int Vcc, Vpp1, Vpp2;
u_int IntType;
u_int ConfigBase;
u_char Status, Pin, Copy, Option, ExtStatus;
u_int Present;
u_int CardValues;
io_req_t io;
struct {
u_int Attributes;
} irq;
} config_t;
struct cis_cache_entry {
struct list_head node;
unsigned int addr;
unsigned int len;
unsigned int attr;
unsigned char cache[0];
};
/* Flags in config state */
#define CONFIG_LOCKED 0x01
#define CONFIG_IRQ_REQ 0x02
#define CONFIG_IO_REQ 0x04
/* Flags in socket state */
#define SOCKET_PRESENT 0x0008
#define SOCKET_INUSE 0x0010
#define SOCKET_SUSPEND 0x0080
#define SOCKET_WIN_REQ(i) (0x0100<<(i))
#define SOCKET_REGION_INFO 0x4000
#define SOCKET_CARDBUS 0x8000
#define SOCKET_CARDBUS_CONFIG 0x10000
static inline int cs_socket_get(struct pcmcia_socket *skt)
{
int ret;
WARN_ON(skt->state & SOCKET_INUSE);
ret = try_module_get(skt->owner);
if (ret)
skt->state |= SOCKET_INUSE;
return ret;
}
static inline void cs_socket_put(struct pcmcia_socket *skt)
{
if (skt->state & SOCKET_INUSE) {
skt->state &= ~SOCKET_INUSE;
module_put(skt->owner);
}
}
#define CHECK_HANDLE(h) \
(((h) == NULL) || ((h)->client_magic != CLIENT_MAGIC))
#define CHECK_SOCKET(s) \
(((s) >= sockets) || (socket_table[s]->ops == NULL))
#define SOCKET(h) (h->Socket)
#define CONFIG(h) (&SOCKET(h)->config[(h)->Function])
#define CHECK_REGION(r) \
(((r) == NULL) || ((r)->region_magic != REGION_MAGIC))
#define CHECK_ERASEQ(q) \
(((q) == NULL) || ((q)->eraseq_magic != ERASEQ_MAGIC))
#define EVENT(h, e, p) \
((h)->event_handler((e), (p), &(h)->event_callback_args))
/* In cardbus.c */
int cb_alloc(struct pcmcia_socket *s);
void cb_free(struct pcmcia_socket *s);
int read_cb_mem(struct pcmcia_socket *s, int space, u_int addr, u_int len, void *ptr);
/* In cistpl.c */
int read_cis_mem(struct pcmcia_socket *s, int attr,
u_int addr, u_int len, void *ptr);
void write_cis_mem(struct pcmcia_socket *s, int attr,
u_int addr, u_int len, void *ptr);
void release_cis_mem(struct pcmcia_socket *s);
void destroy_cis_cache(struct pcmcia_socket *s);
int verify_cis_cache(struct pcmcia_socket *s);
int pccard_read_tuple(struct pcmcia_socket *s, unsigned int function, cisdata_t code, void *parse);
/* In rsrc_mgr */
void pcmcia_validate_mem(struct pcmcia_socket *s);
struct resource *find_io_region(unsigned long base, int num, unsigned long align,
struct pcmcia_socket *s);
int adjust_io_region(struct resource *res, unsigned long r_start,
unsigned long r_end, struct pcmcia_socket *s);
struct resource *find_mem_region(u_long base, u_long num, u_long align,
int low, struct pcmcia_socket *s);
int adjust_resource_info(client_handle_t handle, adjust_t *adj);
void release_resource_db(struct pcmcia_socket *s);
/* In socket_sysfs.c */
extern struct class_interface pccard_sysfs_interface;
/* In cs.c */
extern struct rw_semaphore pcmcia_socket_list_rwsem;
extern struct list_head pcmcia_socket_list;
int pcmcia_get_window(struct pcmcia_socket *s, window_handle_t *handle, int idx, win_req_t *req);
int pccard_get_configuration_info(struct pcmcia_socket *s, unsigned int function, config_info_t *config);
int pccard_reset_card(struct pcmcia_socket *skt);
int pccard_get_status(struct pcmcia_socket *s, unsigned int function, cs_status_t *status);
int pccard_access_configuration_register(struct pcmcia_socket *s, unsigned int function, conf_reg_t *reg);
struct pcmcia_callback{
struct module *owner;
int (*event) (struct pcmcia_socket *s, event_t event, int priority);
int (*resources_done) (struct pcmcia_socket *s);
void (*replace_cis) (void);
};
int pccard_register_pcmcia(struct pcmcia_socket *s, struct pcmcia_callback *c);
#define cs_socket_name(skt) ((skt)->dev.class_id)
#ifdef DEBUG
extern int cs_debug_level(int);
#define cs_dbg(skt, lvl, fmt, arg...) do { \
if (cs_debug_level(lvl)) \
printk(KERN_DEBUG "cs: %s: " fmt, \
cs_socket_name(skt) , ## arg); \
} while (0)
#else
#define cs_dbg(skt, lvl, fmt, arg...) do { } while (0)
#endif
#define cs_err(skt, fmt, arg...) \
printk(KERN_ERR "cs: %s: " fmt, (skt)->dev.class_id , ## arg)
#endif /* _LINUX_CS_INTERNAL_H */
|
