Commit | Line | Data |
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1da177e4 LT |
1 | /* |
2 | * ss.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_SS_H | |
16 | #define _LINUX_SS_H | |
17 | ||
dc109497 | 18 | #include <linux/device.h> |
4e57b681 | 19 | #include <linux/sched.h> /* task_struct, completion */ |
7fe908dd | 20 | #include <linux/mutex.h> |
dc109497 | 21 | |
1da177e4 LT |
22 | #include <pcmcia/cs_types.h> |
23 | #include <pcmcia/cs.h> | |
8c3520d4 DR |
24 | #ifdef CONFIG_CARDBUS |
25 | #include <linux/pci.h> | |
26 | #endif | |
1da177e4 LT |
27 | |
28 | /* Definitions for card status flags for GetStatus */ | |
29 | #define SS_WRPROT 0x0001 | |
30 | #define SS_CARDLOCK 0x0002 | |
31 | #define SS_EJECTION 0x0004 | |
32 | #define SS_INSERTION 0x0008 | |
33 | #define SS_BATDEAD 0x0010 | |
34 | #define SS_BATWARN 0x0020 | |
35 | #define SS_READY 0x0040 | |
36 | #define SS_DETECT 0x0080 | |
37 | #define SS_POWERON 0x0100 | |
38 | #define SS_GPI 0x0200 | |
39 | #define SS_STSCHG 0x0400 | |
40 | #define SS_CARDBUS 0x0800 | |
41 | #define SS_3VCARD 0x1000 | |
42 | #define SS_XVCARD 0x2000 | |
43 | #define SS_PENDING 0x4000 | |
44 | #define SS_ZVCARD 0x8000 | |
45 | ||
46 | /* InquireSocket capabilities */ | |
47 | #define SS_CAP_PAGE_REGS 0x0001 | |
48 | #define SS_CAP_VIRTUAL_BUS 0x0002 | |
49 | #define SS_CAP_MEM_ALIGN 0x0004 | |
50 | #define SS_CAP_STATIC_MAP 0x0008 | |
51 | #define SS_CAP_PCCARD 0x4000 | |
52 | #define SS_CAP_CARDBUS 0x8000 | |
53 | ||
54 | /* for GetSocket, SetSocket */ | |
55 | typedef struct socket_state_t { | |
56 | u_int flags; | |
57 | u_int csc_mask; | |
58 | u_char Vcc, Vpp; | |
59 | u_char io_irq; | |
60 | } socket_state_t; | |
61 | ||
62 | extern socket_state_t dead_socket; | |
63 | ||
64 | /* Socket configuration flags */ | |
65 | #define SS_PWR_AUTO 0x0010 | |
66 | #define SS_IOCARD 0x0020 | |
67 | #define SS_RESET 0x0040 | |
68 | #define SS_DMA_MODE 0x0080 | |
69 | #define SS_SPKR_ENA 0x0100 | |
70 | #define SS_OUTPUT_ENA 0x0200 | |
71 | ||
72 | /* Flags for I/O port and memory windows */ | |
73 | #define MAP_ACTIVE 0x01 | |
74 | #define MAP_16BIT 0x02 | |
75 | #define MAP_AUTOSZ 0x04 | |
76 | #define MAP_0WS 0x08 | |
77 | #define MAP_WRPROT 0x10 | |
78 | #define MAP_ATTRIB 0x20 | |
79 | #define MAP_USE_WAIT 0x40 | |
80 | #define MAP_PREFETCH 0x80 | |
81 | ||
82 | /* Use this just for bridge windows */ | |
83 | #define MAP_IOSPACE 0x20 | |
84 | ||
fa912bcb DR |
85 | /* power hook operations */ |
86 | #define HOOK_POWER_PRE 0x01 | |
87 | #define HOOK_POWER_POST 0x02 | |
88 | ||
89 | ||
1da177e4 LT |
90 | typedef struct pccard_io_map { |
91 | u_char map; | |
92 | u_char flags; | |
93 | u_short speed; | |
906da809 | 94 | u_int start, stop; |
1da177e4 LT |
95 | } pccard_io_map; |
96 | ||
97 | typedef struct pccard_mem_map { | |
98 | u_char map; | |
99 | u_char flags; | |
100 | u_short speed; | |
101 | u_long static_start; | |
102 | u_int card_start; | |
103 | struct resource *res; | |
104 | } pccard_mem_map; | |
105 | ||
106 | typedef struct cb_bridge_map { | |
107 | u_char map; | |
108 | u_char flags; | |
109 | u_int start, stop; | |
110 | } cb_bridge_map; | |
111 | ||
112 | /* | |
113 | * Socket operations. | |
114 | */ | |
115 | struct pcmcia_socket; | |
116 | ||
117 | struct pccard_operations { | |
118 | int (*init)(struct pcmcia_socket *sock); | |
119 | int (*suspend)(struct pcmcia_socket *sock); | |
1da177e4 | 120 | int (*get_status)(struct pcmcia_socket *sock, u_int *value); |
1da177e4 LT |
121 | int (*set_socket)(struct pcmcia_socket *sock, socket_state_t *state); |
122 | int (*set_io_map)(struct pcmcia_socket *sock, struct pccard_io_map *io); | |
123 | int (*set_mem_map)(struct pcmcia_socket *sock, struct pccard_mem_map *mem); | |
124 | }; | |
125 | ||
126 | struct pccard_resource_ops { | |
de75914e | 127 | int (*validate_mem) (struct pcmcia_socket *s); |
1da177e4 LT |
128 | int (*adjust_io_region) (struct resource *res, |
129 | unsigned long r_start, | |
130 | unsigned long r_end, | |
131 | struct pcmcia_socket *s); | |
132 | struct resource* (*find_io) (unsigned long base, int num, | |
133 | unsigned long align, | |
134 | struct pcmcia_socket *s); | |
135 | struct resource* (*find_mem) (unsigned long base, unsigned long num, | |
136 | unsigned long align, int low, | |
137 | struct pcmcia_socket *s); | |
c5023801 DB |
138 | int (*add_io) (struct pcmcia_socket *s, |
139 | unsigned int action, | |
140 | unsigned long r_start, | |
141 | unsigned long r_end); | |
142 | int (*add_mem) (struct pcmcia_socket *s, | |
143 | unsigned int action, | |
144 | unsigned long r_start, | |
145 | unsigned long r_end); | |
1da177e4 LT |
146 | int (*init) (struct pcmcia_socket *s); |
147 | void (*exit) (struct pcmcia_socket *s); | |
148 | }; | |
149 | /* SS_CAP_STATIC_MAP */ | |
150 | extern struct pccard_resource_ops pccard_static_ops; | |
151 | /* !SS_CAP_STATIC_MAP */ | |
152 | extern struct pccard_resource_ops pccard_nonstatic_ops; | |
153 | ||
553ee5dc MT |
154 | /* static mem, dynamic IO sockets */ |
155 | extern struct pccard_resource_ops pccard_iodyn_ops; | |
156 | ||
1da177e4 LT |
157 | /* |
158 | * Calls to set up low-level "Socket Services" drivers | |
159 | */ | |
160 | struct pcmcia_socket; | |
161 | ||
162 | typedef struct io_window_t { | |
906da809 | 163 | u_int InUse, Config; |
1da177e4 LT |
164 | struct resource *res; |
165 | } io_window_t; | |
166 | ||
167 | #define WINDOW_MAGIC 0xB35C | |
168 | typedef struct window_t { | |
169 | u_short magic; | |
170 | u_short index; | |
fba395ee | 171 | struct pcmcia_device *handle; |
1da177e4 LT |
172 | struct pcmcia_socket *sock; |
173 | pccard_mem_map ctl; | |
174 | } window_t; | |
175 | ||
176 | /* Maximum number of IO windows per socket */ | |
177 | #define MAX_IO_WIN 2 | |
178 | ||
179 | /* Maximum number of memory windows per socket */ | |
180 | #define MAX_WIN 4 | |
181 | ||
182 | struct config_t; | |
183 | struct pcmcia_callback; | |
dc109497 | 184 | struct user_info_t; |
1da177e4 LT |
185 | |
186 | struct pcmcia_socket { | |
187 | struct module *owner; | |
188 | spinlock_t lock; | |
189 | socket_state_t socket; | |
190 | u_int state; | |
191 | u_short functions; | |
192 | u_short lock_count; | |
193 | pccard_mem_map cis_mem; | |
194 | void __iomem *cis_virt; | |
1da177e4 LT |
195 | struct { |
196 | u_int AssignedIRQ; | |
197 | u_int Config; | |
198 | } irq; | |
199 | io_window_t io[MAX_IO_WIN]; | |
200 | window_t win[MAX_WIN]; | |
201 | struct list_head cis_cache; | |
202 | u_int fake_cis_len; | |
203 | char *fake_cis; | |
204 | ||
205 | struct list_head socket_list; | |
206 | struct completion socket_released; | |
207 | ||
208 | /* deprecated */ | |
209 | unsigned int sock; /* socket number */ | |
210 | ||
211 | ||
212 | /* socket capabilities */ | |
213 | u_int features; | |
214 | u_int irq_mask; | |
215 | u_int map_size; | |
906da809 | 216 | u_int io_offset; |
1da177e4 LT |
217 | u_char pci_irq; |
218 | struct pci_dev * cb_dev; | |
219 | ||
220 | ||
221 | /* socket setup is done so resources should be able to be allocated. Only | |
222 | * if set to 1, calls to find_{io,mem}_region are handled, and insertion | |
223 | * events are actually managed by the PCMCIA layer.*/ | |
224 | u8 resource_setup_done:1; | |
225 | ||
226 | /* is set to one if resource setup is done using adjust_resource_info() */ | |
227 | u8 resource_setup_old:1; | |
3c29976a | 228 | u8 resource_setup_new:1; |
1da177e4 | 229 | |
3c29976a | 230 | u8 reserved:5; |
1da177e4 LT |
231 | |
232 | /* socket operations */ | |
233 | struct pccard_operations * ops; | |
234 | struct pccard_resource_ops * resource_ops; | |
235 | void * resource_data; | |
236 | ||
237 | /* Zoom video behaviour is so chip specific its not worth adding | |
238 | this to _ops */ | |
239 | void (*zoom_video)(struct pcmcia_socket *, int); | |
fa912bcb DR |
240 | |
241 | /* so is power hook */ | |
242 | int (*power_hook)(struct pcmcia_socket *sock, int operation); | |
8c3520d4 DR |
243 | #ifdef CONFIG_CARDBUS |
244 | /* allows tuning the CB bridge before loading driver for the CB card */ | |
245 | void (*tune_bridge)(struct pcmcia_socket *sock, struct pci_bus *bus); | |
246 | #endif | |
247 | ||
1da177e4 | 248 | /* state thread */ |
7fe908dd | 249 | struct mutex skt_mutex; /* protects socket h/w state */ |
1da177e4 LT |
250 | |
251 | struct task_struct *thread; | |
252 | struct completion thread_done; | |
1da177e4 LT |
253 | spinlock_t thread_lock; /* protects thread_events */ |
254 | unsigned int thread_events; | |
255 | ||
256 | /* pcmcia (16-bit) */ | |
1da177e4 LT |
257 | struct pcmcia_callback *callback; |
258 | ||
dc109497 DB |
259 | #if defined(CONFIG_PCMCIA) || defined(CONFIG_PCMCIA_MODULE) |
260 | struct list_head devices_list; /* PCMCIA devices */ | |
261 | u8 device_count; /* the number of devices, used | |
262 | * only internally and subject | |
263 | * to incorrectness and change */ | |
264 | ||
265 | struct { | |
266 | u8 present:1, /* PCMCIA card is present in socket */ | |
267 | busy:1, /* "master" ioctl is used */ | |
268 | dead:1, /* pcmcia module is being unloaded */ | |
1d2c9042 | 269 | device_add_pending:1, /* a multifunction-device |
dc109497 | 270 | * add event is pending */ |
1d2c9042 DB |
271 | mfc_pfc:1, /* the pending event adds a mfc (1) or pfc (0) */ |
272 | reserved:3; | |
dc109497 DB |
273 | } pcmcia_state; |
274 | ||
275 | struct work_struct device_add; /* for adding further pseudo-multifunction | |
276 | * devices */ | |
277 | ||
278 | #ifdef CONFIG_PCMCIA_IOCTL | |
279 | struct user_info_t *user; | |
280 | wait_queue_head_t queue; | |
281 | #endif | |
282 | #endif | |
283 | ||
1da177e4 LT |
284 | /* cardbus (32-bit) */ |
285 | #ifdef CONFIG_CARDBUS | |
286 | struct resource * cb_cis_res; | |
287 | void __iomem *cb_cis_virt; | |
288 | #endif | |
289 | ||
290 | /* socket device */ | |
87373318 | 291 | struct device dev; |
1da177e4 LT |
292 | void *driver_data; /* data internal to the socket driver */ |
293 | ||
294 | }; | |
295 | ||
296 | struct pcmcia_socket * pcmcia_get_socket_by_nr(unsigned int nr); | |
297 | ||
298 | ||
299 | ||
300 | extern void pcmcia_parse_events(struct pcmcia_socket *socket, unsigned int events); | |
301 | extern int pcmcia_register_socket(struct pcmcia_socket *socket); | |
302 | extern void pcmcia_unregister_socket(struct pcmcia_socket *socket); | |
303 | ||
304 | extern struct class pcmcia_socket_class; | |
305 | ||
306 | /* socket drivers are expected to use these callbacks in their .drv struct */ | |
307 | extern int pcmcia_socket_dev_suspend(struct device *dev, pm_message_t state); | |
308 | extern int pcmcia_socket_dev_resume(struct device *dev); | |
309 | ||
310 | #endif /* _LINUX_SS_H */ |