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
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
|
/*
* ss.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_SS_H
#define _LINUX_SS_H
#include <linux/device.h>
#include <linux/sched.h> /* task_struct, completion */
#include <linux/mutex.h>
#ifdef CONFIG_CARDBUS
#include <linux/pci.h>
#endif
/* Definitions for card status flags for GetStatus */
#define SS_WRPROT 0x0001
#define SS_CARDLOCK 0x0002
#define SS_EJECTION 0x0004
#define SS_INSERTION 0x0008
#define SS_BATDEAD 0x0010
#define SS_BATWARN 0x0020
#define SS_READY 0x0040
#define SS_DETECT 0x0080
#define SS_POWERON 0x0100
#define SS_GPI 0x0200
#define SS_STSCHG 0x0400
#define SS_CARDBUS 0x0800
#define SS_3VCARD 0x1000
#define SS_XVCARD 0x2000
#define SS_PENDING 0x4000
#define SS_ZVCARD 0x8000
/* InquireSocket capabilities */
#define SS_CAP_PAGE_REGS 0x0001
#define SS_CAP_VIRTUAL_BUS 0x0002
#define SS_CAP_MEM_ALIGN 0x0004
#define SS_CAP_STATIC_MAP 0x0008
#define SS_CAP_PCCARD 0x4000
#define SS_CAP_CARDBUS 0x8000
/* for GetSocket, SetSocket */
typedef struct socket_state_t {
u_int flags;
u_int csc_mask;
u_char Vcc, Vpp;
u_char io_irq;
} socket_state_t;
extern socket_state_t dead_socket;
/* Socket configuration flags */
#define SS_PWR_AUTO 0x0010
#define SS_IOCARD 0x0020
#define SS_RESET 0x0040
#define SS_DMA_MODE 0x0080
#define SS_SPKR_ENA 0x0100
#define SS_OUTPUT_ENA 0x0200
/* Flags for I/O port and memory windows */
#define MAP_ACTIVE 0x01
#define MAP_16BIT 0x02
#define MAP_AUTOSZ 0x04
#define MAP_0WS 0x08
#define MAP_WRPROT 0x10
#define MAP_ATTRIB 0x20
#define MAP_USE_WAIT 0x40
#define MAP_PREFETCH 0x80
/* Use this just for bridge windows */
#define MAP_IOSPACE 0x20
/* power hook operations */
#define HOOK_POWER_PRE 0x01
#define HOOK_POWER_POST 0x02
typedef struct pccard_io_map {
u_char map;
u_char flags;
u_short speed;
phys_addr_t start, stop;
} pccard_io_map;
typedef struct pccard_mem_map {
u_char map;
u_char flags;
u_short speed;
phys_addr_t static_start;
u_int card_start;
struct resource *res;
} pccard_mem_map;
typedef struct io_window_t {
u_int InUse, Config;
struct resource *res;
} io_window_t;
/* Maximum number of IO windows per socket */
#define MAX_IO_WIN 2
/* Maximum number of memory windows per socket */
#define MAX_WIN 4
/*
* Socket operations.
*/
struct pcmcia_socket;
struct pccard_resource_ops;
struct config_t;
struct pcmcia_callback;
struct user_info_t;
struct pccard_operations {
int (*init)(struct pcmcia_socket *s);
int (*suspend)(struct pcmcia_socket *s);
int (*get_status)(struct pcmcia_socket *s, u_int *value);
int (*set_socket)(struct pcmcia_socket *s, socket_state_t *state);
int (*set_io_map)(struct pcmcia_socket *s, struct pccard_io_map *io);
int (*set_mem_map)(struct pcmcia_socket *s, struct pccard_mem_map *mem);
};
struct pcmcia_socket {
struct module *owner;
socket_state_t socket;
u_int state;
u_int suspended_state; /* state before suspend */
u_short functions;
u_short lock_count;
pccard_mem_map cis_mem;
void __iomem *cis_virt;
io_window_t io[MAX_IO_WIN];
pccard_mem_map win[MAX_WIN];
struct list_head cis_cache;
size_t fake_cis_len;
u8 *fake_cis;
struct list_head socket_list;
struct completion socket_released;
/* deprecated */
unsigned int sock; /* socket number */
/* socket capabilities */
u_int features;
u_int irq_mask;
u_int map_size;
u_int io_offset;
u_int pci_irq;
struct pci_dev *cb_dev;
/* socket setup is done so resources should be able to be allocated.
* Only if set to 1, calls to find_{io,mem}_region are handled, and
* insertio events are actually managed by the PCMCIA layer.*/
u8 resource_setup_done;
/* socket operations */
struct pccard_operations *ops;
struct pccard_resource_ops *resource_ops;
void *resource_data;
/* Zoom video behaviour is so chip specific its not worth adding
this to _ops */
void (*zoom_video)(struct pcmcia_socket *,
int);
/* so is power hook */
int (*power_hook)(struct pcmcia_socket *sock, int operation);
/* allows tuning the CB bridge before loading driver for the CB card */
#ifdef CONFIG_CARDBUS
void (*tune_bridge)(struct pcmcia_socket *sock, struct pci_bus *bus);
#endif
/* state thread */
struct task_struct *thread;
struct completion thread_done;
unsigned int thread_events;
unsigned int sysfs_events;
/* For the non-trivial interaction between these locks,
* see Documentation/pcmcia/locking.txt */
struct mutex skt_mutex;
struct mutex ops_mutex;
/* protects thread_events and sysfs_events */
spinlock_t thread_lock;
/* pcmcia (16-bit) */
struct pcmcia_callback *callback;
#if defined(CONFIG_PCMCIA) || defined(CONFIG_PCMCIA_MODULE)
/* The following elements refer to 16-bit PCMCIA devices inserted
* into the socket */
struct list_head devices_list;
/* the number of devices, used only internally and subject to
* incorrectness and change */
u8 device_count;
/* does the PCMCIA card consist of two pseudo devices? */
u8 pcmcia_pfc;
/* non-zero if PCMCIA card is present */
atomic_t present;
/* IRQ to be used by PCMCIA devices. May not be IRQ 0. */
unsigned int pcmcia_irq;
#endif /* CONFIG_PCMCIA */
/* socket device */
struct device dev;
/* data internal to the socket driver */
void *driver_data;
/* status of the card during resume from a system sleep state */
int resume_status;
};
/* socket drivers must define the resource operations type they use. There
* are three options:
* - pccard_static_ops iomem and ioport areas are assigned statically
* - pccard_iodyn_ops iomem areas is assigned statically, ioport
* areas dynamically
* If this option is selected, use
* "select PCCARD_IODYN" in Kconfig.
* - pccard_nonstatic_ops iomem and ioport areas are assigned dynamically.
* If this option is selected, use
* "select PCCARD_NONSTATIC" in Kconfig.
*
*/
extern struct pccard_resource_ops pccard_static_ops;
#if defined(CONFIG_PCMCIA) || defined(CONFIG_PCMCIA_MODULE)
extern struct pccard_resource_ops pccard_iodyn_ops;
extern struct pccard_resource_ops pccard_nonstatic_ops;
#else
/* If PCMCIA is not used, but only CARDBUS, these functions are not used
* at all. Therefore, do not use the large (240K!) rsrc_nonstatic module
*/
#define pccard_iodyn_ops pccard_static_ops
#define pccard_nonstatic_ops pccard_static_ops
#endif
/* socket drivers use this callback in their IRQ handler */
extern void pcmcia_parse_events(struct pcmcia_socket *socket,
unsigned int events);
/* to register and unregister a socket */
extern int pcmcia_register_socket(struct pcmcia_socket *socket);
extern void pcmcia_unregister_socket(struct pcmcia_socket *socket);
#endif /* _LINUX_SS_H */
|
