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.
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.
12 * (C) 1999 David A. Hinds
15 #ifndef _LINUX_CS_INTERNAL_H
16 #define _LINUX_CS_INTERNAL_H
18 #include <linux/config.h>
19 #include <linux/kref.h>
21 /* Flags in client state */
22 #define CLIENT_CONFIG_LOCKED 0x0001
23 #define CLIENT_IRQ_REQ 0x0002
24 #define CLIENT_IO_REQ 0x0004
25 #define CLIENT_UNBOUND 0x0008
26 #define CLIENT_STALE 0x0010
27 #define CLIENT_WIN_REQ(i) (0x20<<(i))
28 #define CLIENT_CARDBUS 0x8000
30 #define REGION_MAGIC 0xE3C9
31 typedef struct region_t {
40 #define REGION_STALE 0x01
42 /* Each card function gets one of these guys */
43 typedef struct config_t {
49 u_char Status, Pin, Copy, Option, ExtStatus;
57 struct cis_cache_entry {
58 struct list_head node;
62 unsigned char cache[0];
65 /* Flags in config state */
66 #define CONFIG_LOCKED 0x01
67 #define CONFIG_IRQ_REQ 0x02
68 #define CONFIG_IO_REQ 0x04
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_REGION_INFO 0x4000
76 #define SOCKET_CARDBUS 0x8000
77 #define SOCKET_CARDBUS_CONFIG 0x10000
79 static inline int cs_socket_get(struct pcmcia_socket *skt)
83 WARN_ON(skt->state & SOCKET_INUSE);
85 ret = try_module_get(skt->owner);
87 skt->state |= SOCKET_INUSE;
91 static inline void cs_socket_put(struct pcmcia_socket *skt)
93 if (skt->state & SOCKET_INUSE) {
94 skt->state &= ~SOCKET_INUSE;
95 module_put(skt->owner);
100 int cb_alloc(struct pcmcia_socket *s);
101 void cb_free(struct pcmcia_socket *s);
102 int read_cb_mem(struct pcmcia_socket *s, int space, u_int addr, u_int len, void *ptr);
105 int pcmcia_read_cis_mem(struct pcmcia_socket *s, int attr,
106 u_int addr, u_int len, void *ptr);
107 void pcmcia_write_cis_mem(struct pcmcia_socket *s, int attr,
108 u_int addr, u_int len, void *ptr);
109 void release_cis_mem(struct pcmcia_socket *s);
110 void destroy_cis_cache(struct pcmcia_socket *s);
111 int verify_cis_cache(struct pcmcia_socket *s);
112 int pccard_read_tuple(struct pcmcia_socket *s, unsigned int function, cisdata_t code, void *parse);
115 int pcmcia_validate_mem(struct pcmcia_socket *s);
116 struct resource *pcmcia_find_io_region(unsigned long base, int num, unsigned long align,
117 struct pcmcia_socket *s);
118 int pcmcia_adjust_io_region(struct resource *res, unsigned long r_start,
119 unsigned long r_end, struct pcmcia_socket *s);
120 struct resource *pcmcia_find_mem_region(u_long base, u_long num, u_long align,
121 int low, struct pcmcia_socket *s);
122 void release_resource_db(struct pcmcia_socket *s);
124 /* In socket_sysfs.c */
125 extern struct class_interface pccard_sysfs_interface;
128 extern struct rw_semaphore pcmcia_socket_list_rwsem;
129 extern struct list_head pcmcia_socket_list;
130 int pcmcia_get_window(struct pcmcia_socket *s, window_handle_t *handle, int idx, win_req_t *req);
131 int pccard_get_configuration_info(struct pcmcia_socket *s, struct pcmcia_device *p_dev, config_info_t *config);
132 int pccard_reset_card(struct pcmcia_socket *skt);
133 int pccard_get_status(struct pcmcia_socket *s, struct pcmcia_device *p_dev, cs_status_t *status);
136 struct pcmcia_callback{
137 struct module *owner;
138 int (*event) (struct pcmcia_socket *s, event_t event, int priority);
139 void (*requery) (struct pcmcia_socket *s);
140 int (*suspend) (struct pcmcia_socket *s);
141 int (*resume) (struct pcmcia_socket *s);
144 int pccard_register_pcmcia(struct pcmcia_socket *s, struct pcmcia_callback *c);
146 #define cs_socket_name(skt) ((skt)->dev.class_id)
149 extern int cs_debug_level(int);
151 #define cs_dbg(skt, lvl, fmt, arg...) do { \
152 if (cs_debug_level(lvl)) \
153 printk(KERN_DEBUG "cs: %s: " fmt, \
154 cs_socket_name(skt) , ## arg); \
158 #define cs_dbg(skt, lvl, fmt, arg...) do { } while (0)
161 #define cs_err(skt, fmt, arg...) \
162 printk(KERN_ERR "cs: %s: " fmt, (skt)->dev.class_id , ## arg)
164 #endif /* _LINUX_CS_INTERNAL_H */