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Linus Torvalds1da177e2005-04-16 15:20:36 -07001/*
2 * cs_internal.h
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 */
14
15#ifndef _LINUX_CS_INTERNAL_H
16#define _LINUX_CS_INTERNAL_H
17
18#include <linux/config.h>
19
Linus Torvalds1da177e2005-04-16 15:20:36 -070020/* Flags in client state */
21#define CLIENT_CONFIG_LOCKED 0x0001
22#define CLIENT_IRQ_REQ 0x0002
23#define CLIENT_IO_REQ 0x0004
24#define CLIENT_UNBOUND 0x0008
25#define CLIENT_STALE 0x0010
26#define CLIENT_WIN_REQ(i) (0x20<<(i))
27#define CLIENT_CARDBUS 0x8000
28
29#define REGION_MAGIC 0xE3C9
30typedef struct region_t {
31 u_short region_magic;
32 u_short state;
33 dev_info_t dev_info;
34 client_handle_t mtd;
35 u_int MediaID;
36 region_info_t info;
37} region_t;
38
39#define REGION_STALE 0x01
40
41/* Each card function gets one of these guys */
42typedef struct config_t {
43 u_int state;
44 u_int Attributes;
Linus Torvalds1da177e2005-04-16 15:20:36 -070045 u_int IntType;
46 u_int ConfigBase;
47 u_char Status, Pin, Copy, Option, ExtStatus;
48 u_int Present;
49 u_int CardValues;
50 io_req_t io;
51 struct {
52 u_int Attributes;
53 } irq;
54} config_t;
55
56struct cis_cache_entry {
57 struct list_head node;
58 unsigned int addr;
59 unsigned int len;
60 unsigned int attr;
61 unsigned char cache[0];
62};
63
64/* Flags in config state */
65#define CONFIG_LOCKED 0x01
66#define CONFIG_IRQ_REQ 0x02
67#define CONFIG_IO_REQ 0x04
68
69/* Flags in socket state */
70#define SOCKET_PRESENT 0x0008
71#define SOCKET_INUSE 0x0010
72#define SOCKET_SUSPEND 0x0080
73#define SOCKET_WIN_REQ(i) (0x0100<<(i))
74#define SOCKET_REGION_INFO 0x4000
75#define SOCKET_CARDBUS 0x8000
76#define SOCKET_CARDBUS_CONFIG 0x10000
77
78static inline int cs_socket_get(struct pcmcia_socket *skt)
79{
80 int ret;
81
82 WARN_ON(skt->state & SOCKET_INUSE);
83
84 ret = try_module_get(skt->owner);
85 if (ret)
86 skt->state |= SOCKET_INUSE;
87 return ret;
88}
89
90static inline void cs_socket_put(struct pcmcia_socket *skt)
91{
92 if (skt->state & SOCKET_INUSE) {
93 skt->state &= ~SOCKET_INUSE;
94 module_put(skt->owner);
95 }
96}
97
Linus Torvalds1da177e2005-04-16 15:20:36 -070098#define CHECK_SOCKET(s) \
99 (((s) >= sockets) || (socket_table[s]->ops == NULL))
100
Dominik Brodowskie12a9a92005-07-07 17:59:01 -0700101#define SOCKET(h) (h->socket)
102#define CONFIG(h) (&SOCKET(h)->config[(h)->func])
Linus Torvalds1da177e2005-04-16 15:20:36 -0700103
Linus Torvalds1da177e2005-04-16 15:20:36 -0700104/* In cardbus.c */
105int cb_alloc(struct pcmcia_socket *s);
106void cb_free(struct pcmcia_socket *s);
107int read_cb_mem(struct pcmcia_socket *s, int space, u_int addr, u_int len, void *ptr);
108
109/* In cistpl.c */
Dominik Brodowskie6ea0b92005-06-27 16:28:52 -0700110int pcmcia_read_cis_mem(struct pcmcia_socket *s, int attr,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700111 u_int addr, u_int len, void *ptr);
Dominik Brodowskie6ea0b92005-06-27 16:28:52 -0700112void pcmcia_write_cis_mem(struct pcmcia_socket *s, int attr,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700113 u_int addr, u_int len, void *ptr);
114void release_cis_mem(struct pcmcia_socket *s);
115void destroy_cis_cache(struct pcmcia_socket *s);
116int verify_cis_cache(struct pcmcia_socket *s);
117int pccard_read_tuple(struct pcmcia_socket *s, unsigned int function, cisdata_t code, void *parse);
118
119/* In rsrc_mgr */
120void pcmcia_validate_mem(struct pcmcia_socket *s);
Dominik Brodowskie6ea0b92005-06-27 16:28:52 -0700121struct resource *pcmcia_find_io_region(unsigned long base, int num, unsigned long align,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700122 struct pcmcia_socket *s);
Dominik Brodowskie6ea0b92005-06-27 16:28:52 -0700123int pcmcia_adjust_io_region(struct resource *res, unsigned long r_start,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700124 unsigned long r_end, struct pcmcia_socket *s);
Dominik Brodowskie6ea0b92005-06-27 16:28:52 -0700125struct resource *pcmcia_find_mem_region(u_long base, u_long num, u_long align,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700126 int low, struct pcmcia_socket *s);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700127void release_resource_db(struct pcmcia_socket *s);
128
129/* In socket_sysfs.c */
130extern struct class_interface pccard_sysfs_interface;
131
132/* In cs.c */
133extern struct rw_semaphore pcmcia_socket_list_rwsem;
134extern struct list_head pcmcia_socket_list;
135int pcmcia_get_window(struct pcmcia_socket *s, window_handle_t *handle, int idx, win_req_t *req);
136int pccard_get_configuration_info(struct pcmcia_socket *s, unsigned int function, config_info_t *config);
137int pccard_reset_card(struct pcmcia_socket *skt);
138int pccard_get_status(struct pcmcia_socket *s, unsigned int function, cs_status_t *status);
139int pccard_access_configuration_register(struct pcmcia_socket *s, unsigned int function, conf_reg_t *reg);
140
141
142struct pcmcia_callback{
143 struct module *owner;
144 int (*event) (struct pcmcia_socket *s, event_t event, int priority);
Dominik Brodowskie2f0b532005-06-27 16:28:17 -0700145 void (*requery) (struct pcmcia_socket *s);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700146};
147
148int pccard_register_pcmcia(struct pcmcia_socket *s, struct pcmcia_callback *c);
149
150#define cs_socket_name(skt) ((skt)->dev.class_id)
151
152#ifdef DEBUG
153extern int cs_debug_level(int);
154
155#define cs_dbg(skt, lvl, fmt, arg...) do { \
156 if (cs_debug_level(lvl)) \
157 printk(KERN_DEBUG "cs: %s: " fmt, \
158 cs_socket_name(skt) , ## arg); \
159} while (0)
160
161#else
162#define cs_dbg(skt, lvl, fmt, arg...) do { } while (0)
163#endif
164
165#define cs_err(skt, fmt, arg...) \
166 printk(KERN_ERR "cs: %s: " fmt, (skt)->dev.class_id , ## arg)
167
168#endif /* _LINUX_CS_INTERNAL_H */