1 /*
2 * cs_internal.h 1.54 2000/10/26 20:10:55
3 *
4 * The contents of this file are subject to the Mozilla Public License
5 * Version 1.1 (the "License"); you may not use this file except in
6 * compliance with the License. You may obtain a copy of the License
7 * at http://www.mozilla.org/MPL/
8 *
9 * Software distributed under the License is distributed on an "AS IS"
10 * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
11 * the License for the specific language governing rights and
12 * limitations under the License.
13 *
14 * The initial developer of the original code is David A. Hinds
15 * <dahinds@users.sourceforge.net>. Portions created by David A. Hinds
16 * are Copyright (C) 1999 David A. Hinds. All Rights Reserved.
17 */
18
19 #ifndef _LINUX_CS_INTERNAL_H
20 #define _LINUX_CS_INTERNAL_H
21
22 #include <linux/config.h>
23
24 typedef struct erase_busy_t {
25 eraseq_entry_t *erase;
26 client_handle_t client;
27 struct timer_list timeout;
28 struct erase_busy_t *prev, *next;
29 } erase_busy_t;
30
31 #define ERASEQ_MAGIC 0xFA67
32 typedef struct eraseq_t {
33 u_short eraseq_magic;
34 client_handle_t handle;
35 int count;
36 eraseq_entry_t *entry;
37 } eraseq_t;
38
39 #define CLIENT_MAGIC 0x51E6
40 typedef struct client_t {
41 u_short client_magic;
42 socket_t Socket;
43 u_char Function;
44 dev_info_t dev_info;
45 u_int Attributes;
46 u_int state;
47 event_t EventMask, PendingEvents;
48 int (*event_handler)(event_t event, int priority,
49 event_callback_args_t *);
50 event_callback_args_t event_callback_args;
51 struct client_t *next;
52 u_int mtd_count;
53 wait_queue_head_t mtd_req;
54 erase_busy_t erase_busy;
55 } client_t;
56
57 /* Flags in client state */
58 #define CLIENT_CONFIG_LOCKED 0x0001
59 #define CLIENT_IRQ_REQ 0x0002
60 #define CLIENT_IO_REQ 0x0004
61 #define CLIENT_UNBOUND 0x0008
62 #define CLIENT_STALE 0x0010
63 #define CLIENT_WIN_REQ(i) (0x20<<(i))
64 #define CLIENT_CARDBUS 0x8000
65
66 typedef struct io_window_t {
67 u_int Attributes;
68 ioaddr_t BasePort, NumPorts;
69 ioaddr_t InUse, Config;
70 } io_window_t;
71
72 #define WINDOW_MAGIC 0xB35C
73 typedef struct window_t {
74 u_short magic;
75 u_short index;
76 client_handle_t handle;
77 struct socket_info_t *sock;
78 u_long base;
79 u_long size;
80 pccard_mem_map ctl;
81 } window_t;
82
83 #define REGION_MAGIC 0xE3C9
84 typedef struct region_t {
85 u_short region_magic;
86 u_short state;
87 dev_info_t dev_info;
88 client_handle_t mtd;
89 u_int MediaID;
90 region_info_t info;
91 } region_t;
92
93 #define REGION_STALE 0x01
94
95 /* Each card function gets one of these guys */
96 typedef struct config_t {
97 u_int state;
98 u_int Attributes;
99 u_int Vcc, Vpp1, Vpp2;
100 u_int IntType;
101 u_int ConfigBase;
102 u_char Status, Pin, Copy, Option, ExtStatus;
103 u_int Present;
104 u_int CardValues;
105 io_req_t io;
106 struct {
107 u_int Attributes;
108 } irq;
109 } config_t;
110
111 /* Maximum number of IO windows per socket */
112 #define MAX_IO_WIN 2
113
114 /* Maximum number of memory windows per socket */
115 #define MAX_WIN 4
116
117 /* The size of the CIS cache */
118 #define MAX_CIS_TABLE 64
119 #define MAX_CIS_DATA 512
120
121 typedef struct socket_info_t {
122 spinlock_t lock;
123 struct pccard_operations * ss_entry;
124 u_int sock;
125 socket_state_t socket;
126 socket_cap_t cap;
127 u_int state;
128 u_short functions;
129 u_short lock_count;
130 client_handle_t clients;
131 u_int real_clients;
132 client_handle_t reset_handle;
133 pccard_mem_map cis_mem;
134 u_char *cis_virt;
135 config_t *config;
136 #ifdef CONFIG_CARDBUS
137 struct resource * cb_cis_res;
138 u_char *cb_cis_virt;
139 struct cb_config_t *cb_config;
140 #endif
141 struct {
142 u_int AssignedIRQ;
143 u_int Config;
144 } irq;
145 io_window_t io[MAX_IO_WIN];
146 window_t win[MAX_WIN];
147 region_t *c_region, *a_region;
148 erase_busy_t erase_busy;
149 int cis_used;
150 struct {
151 u_int addr;
152 u_short len;
153 u_short attr;
154 } cis_table[MAX_CIS_TABLE];
155 char cis_cache[MAX_CIS_DATA];
156 u_int fake_cis_len;
157 char *fake_cis;
158 #ifdef CONFIG_PROC_FS
159 struct proc_dir_entry *proc;
160 #endif
161 int use_bus_pm;
162 } socket_info_t;
163
164 /* Flags in config state */
165 #define CONFIG_LOCKED 0x01
166 #define CONFIG_IRQ_REQ 0x02
167 #define CONFIG_IO_REQ 0x04
168
169 /* Flags in socket state */
170 #define SOCKET_PRESENT 0x0008
171 #define SOCKET_SETUP_PENDING 0x0010
172 #define SOCKET_SHUTDOWN_PENDING 0x0020
173 #define SOCKET_RESET_PENDING 0x0040
174 #define SOCKET_SUSPEND 0x0080
175 #define SOCKET_WIN_REQ(i) (0x0100<<(i))
176 #define SOCKET_IO_REQ(i) (0x1000<<(i))
177 #define SOCKET_REGION_INFO 0x4000
178 #define SOCKET_CARDBUS 0x8000
179
180 #define CHECK_HANDLE(h) \
181 (((h) == NULL) || ((h)->client_magic != CLIENT_MAGIC))
182
183 #define CHECK_SOCKET(s) \
184 (((s) >= sockets) || (socket_table[s]->ss_entry == NULL))
185
186 #define SOCKET(h) (socket_table[(h)->Socket])
187 #define CONFIG(h) (&SOCKET(h)->config[(h)->Function])
188
189 #define CHECK_REGION(r) \
190 (((r) == NULL) || ((r)->region_magic != REGION_MAGIC))
191
192 #define CHECK_ERASEQ(q) \
193 (((q) == NULL) || ((q)->eraseq_magic != ERASEQ_MAGIC))
194
195 #define EVENT(h, e, p) \
196 ((h)->event_handler((e), (p), &(h)->event_callback_args))
197
198 /* In cardbus.c */
199 int cb_alloc(socket_info_t *s);
200 void cb_free(socket_info_t *s);
201 int cb_config(socket_info_t *s);
202 void cb_release(socket_info_t *s);
203 void cb_enable(socket_info_t *s);
204 void cb_disable(socket_info_t *s);
205 void read_cb_mem(socket_info_t *s, u_char fn, int space,
206 u_int addr, u_int len, void *ptr);
207 void cb_release_cis_mem(socket_info_t *s);
208
209 /* In cistpl.c */
210 void read_cis_mem(socket_info_t *s, int attr,
211 u_int addr, u_int len, void *ptr);
212 void write_cis_mem(socket_info_t *s, int attr,
213 u_int addr, u_int len, void *ptr);
214 void release_cis_mem(socket_info_t *s);
215 int verify_cis_cache(socket_info_t *s);
216 void preload_cis_cache(socket_info_t *s);
217 int get_first_tuple(client_handle_t handle, tuple_t *tuple);
218 int get_next_tuple(client_handle_t handle, tuple_t *tuple);
219 int get_tuple_data(client_handle_t handle, tuple_t *tuple);
220 int parse_tuple(client_handle_t handle, tuple_t *tuple, cisparse_t *parse);
221 int validate_cis(client_handle_t handle, cisinfo_t *info);
222 int replace_cis(client_handle_t handle, cisdump_t *cis);
223 int read_tuple(client_handle_t handle, cisdata_t code, void *parse);
224
225 /* In bulkmem.c */
226 void retry_erase_list(struct erase_busy_t *list, u_int cause);
227 int get_first_region(client_handle_t handle, region_info_t *rgn);
228 int get_next_region(client_handle_t handle, region_info_t *rgn);
229 int register_mtd(client_handle_t handle, mtd_reg_t *reg);
230 int register_erase_queue(client_handle_t *handle, eraseq_hdr_t *header);
231 int deregister_erase_queue(eraseq_handle_t eraseq);
232 int check_erase_queue(eraseq_handle_t eraseq);
233 int open_memory(client_handle_t *handle, open_mem_t *open);
234 int close_memory(memory_handle_t handle);
235 int read_memory(memory_handle_t handle, mem_op_t *req, caddr_t buf);
236 int write_memory(memory_handle_t handle, mem_op_t *req, caddr_t buf);
237 int copy_memory(memory_handle_t handle, copy_op_t *req);
238
239 /* In rsrc_mgr */
240 void validate_mem(int (*is_valid)(u_long), int (*do_cksum)(u_long),
241 int force_low);
242 int find_io_region(ioaddr_t *base, ioaddr_t num, ioaddr_t align,
243 char *name);
244 int find_mem_region(u_long *base, u_long num, u_long align,
245 int force_low, char *name);
246 int try_irq(u_int Attributes, int irq, int specific);
247 void undo_irq(u_int Attributes, int irq);
248 int adjust_resource_info(client_handle_t handle, adjust_t *adj);
249 void release_resource_db(void);
250 int proc_read_io(char *buf, char **start, off_t pos,
251 int count, int *eof, void *data);
252 int proc_read_mem(char *buf, char **start, off_t pos,
253 int count, int *eof, void *data);
254
255 #define MAX_SOCK 8
256 extern socket_t sockets;
257 extern socket_info_t *socket_table[MAX_SOCK];
258
259 #ifdef CONFIG_PROC_FS
260 extern struct proc_dir_entry *proc_pccard;
261 #endif
262
263 #ifdef PCMCIA_DEBUG
264 extern int pc_debug;
265 #define DEBUG(n, args...) do { if (pc_debug>(n)) printk(KERN_DEBUG args); } while (0)
266 #else
267 #define DEBUG(n, args...) do { } while (0)
268 #endif
269
270 #endif /* _LINUX_CS_INTERNAL_H */
271
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