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
18 #include <linux/device.h>
19 #include <linux/sched.h> /* task_struct, completion */
20 #include <linux/mutex.h>
22 #include <pcmcia/cs_types.h>
23 #include <pcmcia/cs.h>
25 #include <linux/pci.h>
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
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
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
54 /* for GetSocket, SetSocket */
55 typedef struct socket_state_t {
62 extern socket_state_t dead_socket;
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
72 /* Flags for I/O port and memory windows */
73 #define MAP_ACTIVE 0x01
74 #define MAP_16BIT 0x02
75 #define MAP_AUTOSZ 0x04
77 #define MAP_WRPROT 0x10
78 #define MAP_ATTRIB 0x20
79 #define MAP_USE_WAIT 0x40
80 #define MAP_PREFETCH 0x80
82 /* Use this just for bridge windows */
83 #define MAP_IOSPACE 0x20
85 /* power hook operations */
86 #define HOOK_POWER_PRE 0x01
87 #define HOOK_POWER_POST 0x02
90 typedef struct pccard_io_map {
97 typedef struct pccard_mem_map {
103 struct resource *res;
106 typedef struct cb_bridge_map {
115 struct pcmcia_socket;
117 struct 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);
126 struct pccard_resource_ops {
127 int (*validate_mem) (struct pcmcia_socket *s);
128 int (*adjust_io_region) (struct resource *res,
129 unsigned long r_start,
131 struct pcmcia_socket *s);
132 struct resource* (*find_io) (unsigned long base, int num,
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,
140 unsigned long r_start,
141 unsigned long r_end);
142 int (*add_mem) (struct pcmcia_socket *s,
144 unsigned long r_start,
145 unsigned long r_end);
146 int (*init) (struct pcmcia_socket *s);
147 void (*exit) (struct pcmcia_socket *s);
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;
154 /* static mem, dynamic IO sockets */
155 extern struct pccard_resource_ops pccard_iodyn_ops;
158 * Calls to set up low-level "Socket Services" drivers
160 struct pcmcia_socket;
162 typedef struct io_window_t {
164 struct resource *res;
167 #define WINDOW_MAGIC 0xB35C
168 typedef struct window_t {
171 struct pcmcia_device *handle;
172 struct pcmcia_socket *sock;
176 /* Maximum number of IO windows per socket */
179 /* Maximum number of memory windows per socket */
183 struct pcmcia_callback;
186 struct pcmcia_socket {
187 struct module *owner;
189 socket_state_t socket;
193 pccard_mem_map cis_mem;
194 void __iomem *cis_virt;
199 io_window_t io[MAX_IO_WIN];
200 window_t win[MAX_WIN];
201 struct list_head cis_cache;
205 struct list_head socket_list;
206 struct completion socket_released;
209 unsigned int sock; /* socket number */
212 /* socket capabilities */
218 struct pci_dev * cb_dev;
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;
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;
232 /* socket operations */
233 struct pccard_operations * ops;
234 struct pccard_resource_ops * resource_ops;
235 void * resource_data;
237 /* Zoom video behaviour is so chip specific its not worth adding
239 void (*zoom_video)(struct pcmcia_socket *, int);
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);
249 struct mutex skt_mutex; /* protects socket h/w state */
251 struct task_struct *thread;
252 struct completion thread_done;
253 spinlock_t thread_lock; /* protects thread_events */
254 unsigned int thread_events;
256 /* pcmcia (16-bit) */
257 struct pcmcia_callback *callback;
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 */
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) */
275 struct work_struct device_add; /* for adding further pseudo-multifunction
278 #ifdef CONFIG_PCMCIA_IOCTL
279 struct user_info_t *user;
280 wait_queue_head_t queue;
284 /* cardbus (32-bit) */
285 #ifdef CONFIG_CARDBUS
286 struct resource * cb_cis_res;
287 void __iomem *cb_cis_virt;
292 void *driver_data; /* data internal to the socket driver */
296 struct pcmcia_socket * pcmcia_get_socket_by_nr(unsigned int nr);
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);
304 extern struct class pcmcia_socket_class;
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);
310 #endif /* _LINUX_SS_H */