Root/drivers/pcmcia/cs_internal.h

1/*
2 * cs_internal.h -- definitions internal to the PCMCIA core modules
3 *
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License version 2 as
6 * published by the Free Software Foundation.
7 *
8 * The initial developer of the original code is David A. Hinds
9 * <dahinds@users.sourceforge.net>. Portions created by David A. Hinds
10 * are Copyright (C) 1999 David A. Hinds. All Rights Reserved.
11 *
12 * (C) 1999 David A. Hinds
13 * (C) 2003 - 2010 Dominik Brodowski
14 *
15 *
16 * This file contains definitions _only_ needed by the PCMCIA core modules.
17 * It must not be included by PCMCIA socket drivers or by PCMCIA device
18 * drivers.
19 */
20
21#ifndef _LINUX_CS_INTERNAL_H
22#define _LINUX_CS_INTERNAL_H
23
24#include <linux/kref.h>
25
26/* Flags in client state */
27#define CLIENT_WIN_REQ(i) (0x1<<(i))
28
29/* Flag to access all functions */
30#define BIND_FN_ALL 0xff
31
32/* Each card function gets one of these guys */
33typedef struct config_t {
34    struct kref ref;
35    unsigned int state;
36
37    struct resource io[MAX_IO_WIN]; /* io ports */
38    struct resource mem[MAX_WIN]; /* mem areas */
39} config_t;
40
41
42struct cis_cache_entry {
43    struct list_head node;
44    unsigned int addr;
45    unsigned int len;
46    unsigned int attr;
47    unsigned char cache[0];
48};
49
50struct pccard_resource_ops {
51    int (*validate_mem) (struct pcmcia_socket *s);
52    int (*find_io) (struct pcmcia_socket *s,
53                     unsigned int attr,
54                     unsigned int *base,
55                     unsigned int num,
56                     unsigned int align,
57                     struct resource **parent);
58    struct resource* (*find_mem) (unsigned long base, unsigned long num,
59                     unsigned long align, int low,
60                     struct pcmcia_socket *s);
61    int (*init) (struct pcmcia_socket *s);
62    void (*exit) (struct pcmcia_socket *s);
63};
64
65/* Flags in config state */
66#define CONFIG_LOCKED 0x01
67#define CONFIG_IRQ_REQ 0x02
68#define CONFIG_IO_REQ 0x04
69
70/* Flags in socket state */
71#define SOCKET_PRESENT 0x0008
72#define SOCKET_INUSE 0x0010
73#define SOCKET_SUSPEND 0x0080
74#define SOCKET_WIN_REQ(i) (0x0100<<(i))
75#define SOCKET_CARDBUS 0x8000
76#define SOCKET_CARDBUS_CONFIG 0x10000
77
78
79/*
80 * Stuff internal to module "pcmcia_rsrc":
81 */
82extern int static_init(struct pcmcia_socket *s);
83extern struct resource *pcmcia_make_resource(unsigned long start,
84                    unsigned long end,
85                    int flags, const char *name);
86
87/*
88 * Stuff internal to module "pcmcia_core":
89 */
90
91/* socket_sysfs.c */
92extern int pccard_sysfs_add_socket(struct device *dev);
93extern void pccard_sysfs_remove_socket(struct device *dev);
94
95/* cardbus.c */
96int cb_alloc(struct pcmcia_socket *s);
97void cb_free(struct pcmcia_socket *s);
98
99
100
101/*
102 * Stuff exported by module "pcmcia_core" to module "pcmcia"
103 */
104
105struct pcmcia_callback{
106    struct module *owner;
107    int (*add) (struct pcmcia_socket *s);
108    int (*remove) (struct pcmcia_socket *s);
109    void (*requery) (struct pcmcia_socket *s);
110    int (*validate) (struct pcmcia_socket *s, unsigned int *i);
111    int (*suspend) (struct pcmcia_socket *s);
112    int (*early_resume) (struct pcmcia_socket *s);
113    int (*resume) (struct pcmcia_socket *s);
114};
115
116/* cs.c */
117extern struct rw_semaphore pcmcia_socket_list_rwsem;
118extern struct list_head pcmcia_socket_list;
119extern struct class pcmcia_socket_class;
120
121int pccard_register_pcmcia(struct pcmcia_socket *s, struct pcmcia_callback *c);
122struct pcmcia_socket *pcmcia_get_socket_by_nr(unsigned int nr);
123
124void pcmcia_parse_uevents(struct pcmcia_socket *socket, unsigned int events);
125#define PCMCIA_UEVENT_EJECT 0x0001
126#define PCMCIA_UEVENT_INSERT 0x0002
127#define PCMCIA_UEVENT_SUSPEND 0x0004
128#define PCMCIA_UEVENT_RESUME 0x0008
129#define PCMCIA_UEVENT_REQUERY 0x0010
130
131struct pcmcia_socket *pcmcia_get_socket(struct pcmcia_socket *skt);
132void pcmcia_put_socket(struct pcmcia_socket *skt);
133
134/*
135 * Stuff internal to module "pcmcia".
136 */
137/* ds.c */
138extern struct bus_type pcmcia_bus_type;
139
140struct pcmcia_device;
141
142/* pcmcia_resource.c */
143extern int pcmcia_release_configuration(struct pcmcia_device *p_dev);
144extern int pcmcia_validate_mem(struct pcmcia_socket *s);
145extern struct resource *pcmcia_find_mem_region(u_long base,
146                           u_long num,
147                           u_long align,
148                           int low,
149                           struct pcmcia_socket *s);
150
151void pcmcia_cleanup_irq(struct pcmcia_socket *s);
152int pcmcia_setup_irq(struct pcmcia_device *p_dev);
153
154/* cistpl.c */
155extern struct bin_attribute pccard_cis_attr;
156
157int pcmcia_read_cis_mem(struct pcmcia_socket *s, int attr,
158            u_int addr, u_int len, void *ptr);
159int pcmcia_write_cis_mem(struct pcmcia_socket *s, int attr,
160            u_int addr, u_int len, void *ptr);
161void release_cis_mem(struct pcmcia_socket *s);
162void destroy_cis_cache(struct pcmcia_socket *s);
163int pccard_read_tuple(struct pcmcia_socket *s, unsigned int function,
164              cisdata_t code, void *parse);
165int pcmcia_replace_cis(struct pcmcia_socket *s,
166               const u8 *data, const size_t len);
167int pccard_validate_cis(struct pcmcia_socket *s, unsigned int *count);
168int verify_cis_cache(struct pcmcia_socket *s);
169
170int pccard_loop_tuple(struct pcmcia_socket *s, unsigned int function,
171              cisdata_t code, cisparse_t *parse, void *priv_data,
172              int (*loop_tuple) (tuple_t *tuple,
173                     cisparse_t *parse,
174                     void *priv_data));
175
176int pccard_get_first_tuple(struct pcmcia_socket *s, unsigned int function,
177            tuple_t *tuple);
178
179int pccard_get_next_tuple(struct pcmcia_socket *s, unsigned int function,
180            tuple_t *tuple);
181
182int pccard_get_tuple_data(struct pcmcia_socket *s, tuple_t *tuple);
183
184#endif /* _LINUX_CS_INTERNAL_H */
185

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