Commit | Line | Data |
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1da177e4 | 1 | /* |
dc953e55 | 2 | * cs_internal.h -- definitions internal to the PCMCIA core modules |
1da177e4 LT |
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 | |
dc953e55 DB |
13 | * (C) 2003 - 2008 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. | |
1da177e4 LT |
19 | */ |
20 | ||
21 | #ifndef _LINUX_CS_INTERNAL_H | |
22 | #define _LINUX_CS_INTERNAL_H | |
23 | ||
360b65b9 | 24 | #include <linux/kref.h> |
1da177e4 | 25 | |
1da177e4 | 26 | /* Flags in client state */ |
e2d40963 | 27 | #define CLIENT_WIN_REQ(i) (0x1<<(i)) |
1da177e4 | 28 | |
1da177e4 LT |
29 | /* Each card function gets one of these guys */ |
30 | typedef struct config_t { | |
360b65b9 | 31 | struct kref ref; |
dc953e55 DB |
32 | unsigned int state; |
33 | unsigned int Attributes; | |
34 | unsigned int IntType; | |
35 | unsigned int ConfigBase; | |
36 | unsigned char Status, Pin, Copy, Option, ExtStatus; | |
37 | unsigned int CardValues; | |
38 | io_req_t io; | |
39 | struct { | |
40 | u_int Attributes; | |
41 | } irq; | |
1da177e4 LT |
42 | } config_t; |
43 | ||
dc953e55 | 44 | |
1da177e4 LT |
45 | struct cis_cache_entry { |
46 | struct list_head node; | |
47 | unsigned int addr; | |
48 | unsigned int len; | |
49 | unsigned int attr; | |
50 | unsigned char cache[0]; | |
51 | }; | |
52 | ||
c23889ca DB |
53 | struct pccard_resource_ops { |
54 | int (*validate_mem) (struct pcmcia_socket *s); | |
55 | int (*adjust_io_region) (struct resource *res, | |
56 | unsigned long r_start, | |
57 | unsigned long r_end, | |
58 | struct pcmcia_socket *s); | |
59 | struct resource* (*find_io) (unsigned long base, int num, | |
60 | unsigned long align, | |
61 | struct pcmcia_socket *s); | |
62 | struct resource* (*find_mem) (unsigned long base, unsigned long num, | |
63 | unsigned long align, int low, | |
64 | struct pcmcia_socket *s); | |
65 | int (*add_io) (struct pcmcia_socket *s, | |
66 | unsigned int action, | |
67 | unsigned long r_start, | |
68 | unsigned long r_end); | |
69 | int (*add_mem) (struct pcmcia_socket *s, | |
70 | unsigned int action, | |
71 | unsigned long r_start, | |
72 | unsigned long r_end); | |
73 | int (*init) (struct pcmcia_socket *s); | |
74 | void (*exit) (struct pcmcia_socket *s); | |
75 | }; | |
76 | ||
1da177e4 LT |
77 | /* Flags in config state */ |
78 | #define CONFIG_LOCKED 0x01 | |
79 | #define CONFIG_IRQ_REQ 0x02 | |
80 | #define CONFIG_IO_REQ 0x04 | |
81 | ||
82 | /* Flags in socket state */ | |
83 | #define SOCKET_PRESENT 0x0008 | |
84 | #define SOCKET_INUSE 0x0010 | |
85 | #define SOCKET_SUSPEND 0x0080 | |
86 | #define SOCKET_WIN_REQ(i) (0x0100<<(i)) | |
1da177e4 LT |
87 | #define SOCKET_CARDBUS 0x8000 |
88 | #define SOCKET_CARDBUS_CONFIG 0x10000 | |
89 | ||
90 | static inline int cs_socket_get(struct pcmcia_socket *skt) | |
91 | { | |
92 | int ret; | |
93 | ||
94 | WARN_ON(skt->state & SOCKET_INUSE); | |
95 | ||
96 | ret = try_module_get(skt->owner); | |
97 | if (ret) | |
98 | skt->state |= SOCKET_INUSE; | |
99 | return ret; | |
100 | } | |
101 | ||
102 | static inline void cs_socket_put(struct pcmcia_socket *skt) | |
103 | { | |
104 | if (skt->state & SOCKET_INUSE) { | |
105 | skt->state &= ~SOCKET_INUSE; | |
106 | module_put(skt->owner); | |
107 | } | |
108 | } | |
109 | ||
7d16b658 | 110 | #ifdef CONFIG_PCMCIA_DEBUG |
1da177e4 LT |
111 | extern int cs_debug_level(int); |
112 | ||
113 | #define cs_dbg(skt, lvl, fmt, arg...) do { \ | |
114 | if (cs_debug_level(lvl)) \ | |
2e55bf6b DB |
115 | dev_printk(KERN_DEBUG, &skt->dev, \ |
116 | "cs: " fmt, ## arg); \ | |
1da177e4 | 117 | } while (0) |
3f9c5f4c DB |
118 | #define __cs_dbg(lvl, fmt, arg...) do { \ |
119 | if (cs_debug_level(lvl)) \ | |
120 | printk(KERN_DEBUG \ | |
121 | "cs: " fmt, ## arg); \ | |
122 | } while (0) | |
1da177e4 LT |
123 | |
124 | #else | |
125 | #define cs_dbg(skt, lvl, fmt, arg...) do { } while (0) | |
3f9c5f4c | 126 | #define __cs_dbg(lvl, fmt, arg...) do { } while (0) |
1da177e4 LT |
127 | #endif |
128 | ||
129 | #define cs_err(skt, fmt, arg...) \ | |
2e55bf6b | 130 | dev_printk(KERN_ERR, &skt->dev, "cs: " fmt, ## arg) |
1da177e4 | 131 | |
dc953e55 DB |
132 | |
133 | /* | |
134 | * Stuff internal to module "pcmcia_core": | |
135 | */ | |
136 | ||
137 | /* cistpl.c */ | |
138 | int verify_cis_cache(struct pcmcia_socket *s); | |
139 | ||
140 | /* rsrc_mgr.c */ | |
141 | void release_resource_db(struct pcmcia_socket *s); | |
142 | ||
143 | /* socket_sysfs.c */ | |
144 | extern int pccard_sysfs_add_socket(struct device *dev); | |
145 | extern void pccard_sysfs_remove_socket(struct device *dev); | |
146 | ||
147 | /* cardbus.c */ | |
148 | int cb_alloc(struct pcmcia_socket *s); | |
149 | void cb_free(struct pcmcia_socket *s); | |
150 | int read_cb_mem(struct pcmcia_socket *s, int space, u_int addr, u_int len, | |
151 | void *ptr); | |
152 | ||
153 | ||
154 | ||
155 | /* | |
156 | * Stuff exported by module "pcmcia_core" to module "pcmcia" | |
157 | */ | |
158 | ||
159 | struct pcmcia_callback{ | |
160 | struct module *owner; | |
161 | int (*event) (struct pcmcia_socket *s, | |
162 | event_t event, int priority); | |
163 | void (*requery) (struct pcmcia_socket *s, int new_cis); | |
164 | int (*suspend) (struct pcmcia_socket *s); | |
165 | int (*resume) (struct pcmcia_socket *s); | |
166 | }; | |
167 | ||
168 | /* cs.c */ | |
169 | extern struct rw_semaphore pcmcia_socket_list_rwsem; | |
170 | extern struct list_head pcmcia_socket_list; | |
c23889ca DB |
171 | extern struct class pcmcia_socket_class; |
172 | ||
dc953e55 DB |
173 | int pcmcia_get_window(struct pcmcia_socket *s, |
174 | window_handle_t *handle, | |
175 | int idx, | |
176 | win_req_t *req); | |
dc953e55 | 177 | int pccard_register_pcmcia(struct pcmcia_socket *s, struct pcmcia_callback *c); |
c23889ca | 178 | struct pcmcia_socket *pcmcia_get_socket_by_nr(unsigned int nr); |
dc953e55 | 179 | |
994917f8 DB |
180 | int pcmcia_suspend_card(struct pcmcia_socket *skt); |
181 | int pcmcia_resume_card(struct pcmcia_socket *skt); | |
182 | ||
183 | int pcmcia_eject_card(struct pcmcia_socket *skt); | |
184 | int pcmcia_insert_card(struct pcmcia_socket *skt); | |
185 | ||
186 | struct pcmcia_socket *pcmcia_get_socket(struct pcmcia_socket *skt); | |
187 | void pcmcia_put_socket(struct pcmcia_socket *skt); | |
188 | ||
dc953e55 DB |
189 | /* cistpl.c */ |
190 | int pcmcia_read_cis_mem(struct pcmcia_socket *s, int attr, | |
191 | u_int addr, u_int len, void *ptr); | |
192 | void pcmcia_write_cis_mem(struct pcmcia_socket *s, int attr, | |
193 | u_int addr, u_int len, void *ptr); | |
194 | void release_cis_mem(struct pcmcia_socket *s); | |
195 | void destroy_cis_cache(struct pcmcia_socket *s); | |
196 | int pccard_read_tuple(struct pcmcia_socket *s, unsigned int function, | |
197 | cisdata_t code, void *parse); | |
994917f8 DB |
198 | int pcmcia_replace_cis(struct pcmcia_socket *s, |
199 | const u8 *data, const size_t len); | |
84897fc0 | 200 | int pccard_validate_cis(struct pcmcia_socket *s, unsigned int *count); |
dc953e55 DB |
201 | |
202 | /* rsrc_mgr.c */ | |
203 | int pcmcia_validate_mem(struct pcmcia_socket *s); | |
204 | struct resource *pcmcia_find_io_region(unsigned long base, | |
205 | int num, | |
206 | unsigned long align, | |
207 | struct pcmcia_socket *s); | |
208 | int pcmcia_adjust_io_region(struct resource *res, | |
209 | unsigned long r_start, | |
210 | unsigned long r_end, | |
211 | struct pcmcia_socket *s); | |
212 | struct resource *pcmcia_find_mem_region(u_long base, | |
213 | u_long num, | |
214 | u_long align, | |
215 | int low, | |
216 | struct pcmcia_socket *s); | |
217 | ||
b60a5ede DB |
218 | /* |
219 | * Stuff internal to module "pcmcia". | |
220 | */ | |
221 | /* ds.c */ | |
222 | extern struct bus_type pcmcia_bus_type; | |
223 | ||
224 | /* pcmcia_resource.c */ | |
225 | extern int pcmcia_release_configuration(struct pcmcia_device *p_dev); | |
226 | ||
227 | #ifdef CONFIG_PCMCIA_IOCTL | |
228 | /* ds.c */ | |
229 | extern spinlock_t pcmcia_dev_list_lock; | |
230 | ||
231 | extern struct pcmcia_device *pcmcia_get_dev(struct pcmcia_device *p_dev); | |
232 | extern void pcmcia_put_dev(struct pcmcia_device *p_dev); | |
233 | ||
234 | struct pcmcia_device *pcmcia_device_add(struct pcmcia_socket *s, | |
235 | unsigned int function); | |
236 | ||
237 | /* pcmcia_ioctl.c */ | |
238 | extern void __init pcmcia_setup_ioctl(void); | |
239 | extern void __exit pcmcia_cleanup_ioctl(void); | |
240 | extern void handle_event(struct pcmcia_socket *s, event_t event); | |
241 | extern int handle_request(struct pcmcia_socket *s, event_t event); | |
242 | ||
243 | #else /* CONFIG_PCMCIA_IOCTL */ | |
244 | ||
245 | static inline void __init pcmcia_setup_ioctl(void) { return; } | |
246 | static inline void __exit pcmcia_cleanup_ioctl(void) { return; } | |
247 | static inline void handle_event(struct pcmcia_socket *s, event_t event) | |
248 | { | |
249 | return; | |
250 | } | |
251 | static inline int handle_request(struct pcmcia_socket *s, event_t event) | |
252 | { | |
253 | return 0; | |
254 | } | |
255 | ||
256 | #endif /* CONFIG_PCMCIA_IOCTL */ | |
257 | ||
1da177e4 | 258 | #endif /* _LINUX_CS_INTERNAL_H */ |