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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
18#include <linux/device.h>
19#include <linux/sched.h> /* task_struct, completion */
20#include <linux/mutex.h>
21
22#include <pcmcia/cs_types.h>
23#include <pcmcia/cs.h>
24#ifdef CONFIG_CARDBUS
25#include <linux/pci.h>
26#endif
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 */
55typedef 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
62extern 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
85/* power hook operations */
86#define HOOK_POWER_PRE 0x01
87#define HOOK_POWER_POST 0x02
88
89
90typedef struct pccard_io_map {
91 u_char map;
92 u_char flags;
93 u_short speed;
94 u_int start, stop;
95} pccard_io_map;
96
97typedef 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
106typedef 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 */
115struct pcmcia_socket;
116
117struct pccard_operations {
118 int (*init)(struct pcmcia_socket *sock);
119 int (*suspend)(struct pcmcia_socket *sock);
120 int (*get_status)(struct pcmcia_socket *sock, u_int *value);
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
126struct pccard_resource_ops {
127 int (*validate_mem) (struct pcmcia_socket *s);
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);
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);
146 int (*init) (struct pcmcia_socket *s);
147 void (*exit) (struct pcmcia_socket *s);
148};
149/* SS_CAP_STATIC_MAP */
150extern struct pccard_resource_ops pccard_static_ops;
151/* !SS_CAP_STATIC_MAP */
152extern struct pccard_resource_ops pccard_nonstatic_ops;
153
154/* static mem, dynamic IO sockets */
155extern struct pccard_resource_ops pccard_iodyn_ops;
156
157/*
158 * Calls to set up low-level "Socket Services" drivers
159 */
160struct pcmcia_socket;
161
162typedef struct io_window_t {
163 u_int InUse, Config;
164 struct resource *res;
165} io_window_t;
166
167#define WINDOW_MAGIC 0xB35C
168typedef struct window_t {
169 u_short magic;
170 u_short index;
171 struct pcmcia_device *handle;
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
182struct config_t;
183struct pcmcia_callback;
184struct user_info_t;
185
186struct 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;
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;
216 u_int io_offset;
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;
228 u8 resource_setup_new:1;
229
230 u8 reserved:5;
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);
240
241 /* so is power hook */
242 int (*power_hook)(struct pcmcia_socket *sock, int operation);
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
248 /* state thread */
249 struct mutex skt_mutex; /* protects socket h/w state */
250
251 struct task_struct *thread;
252 struct completion thread_done;
253 spinlock_t thread_lock; /* protects thread_events */
254 unsigned int thread_events;
255
256 /* pcmcia (16-bit) */
257 struct pcmcia_callback *callback;
258
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 */
269 device_add_pending:1, /* a multifunction-device
270 * add event is pending */
271 mfc_pfc:1, /* the pending event adds a mfc (1) or pfc (0) */
272 reserved:3;
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
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 */
291 struct device dev;
292 void *driver_data; /* data internal to the socket driver */
293
294};
295
296struct pcmcia_socket * pcmcia_get_socket_by_nr(unsigned int nr);
297
298
299
300extern void pcmcia_parse_events(struct pcmcia_socket *socket, unsigned int events);
301extern int pcmcia_register_socket(struct pcmcia_socket *socket);
302extern void pcmcia_unregister_socket(struct pcmcia_socket *socket);
303
304extern struct class pcmcia_socket_class;
305
306/* socket drivers are expected to use these callbacks in their .drv struct */
307extern int pcmcia_socket_dev_suspend(struct device *dev, pm_message_t state);
308extern int pcmcia_socket_dev_resume(struct device *dev);
309
310#endif /* _LINUX_SS_H */