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/config.h>
19 #include <linux/device.h>
20 #include <linux/sched.h> /* task_struct, completion */
21 #include <linux/mutex.h>
23 #include <pcmcia/cs_types.h>
24 #include <pcmcia/cs.h>
25 #include <pcmcia/bulkmem.h>
27 #include <linux/pci.h>
30 /* Definitions for card status flags for GetStatus */
31 #define SS_WRPROT 0x0001
32 #define SS_CARDLOCK 0x0002
33 #define SS_EJECTION 0x0004
34 #define SS_INSERTION 0x0008
35 #define SS_BATDEAD 0x0010
36 #define SS_BATWARN 0x0020
37 #define SS_READY 0x0040
38 #define SS_DETECT 0x0080
39 #define SS_POWERON 0x0100
41 #define SS_STSCHG 0x0400
42 #define SS_CARDBUS 0x0800
43 #define SS_3VCARD 0x1000
44 #define SS_XVCARD 0x2000
45 #define SS_PENDING 0x4000
46 #define SS_ZVCARD 0x8000
48 /* InquireSocket capabilities */
49 #define SS_CAP_PAGE_REGS 0x0001
50 #define SS_CAP_VIRTUAL_BUS 0x0002
51 #define SS_CAP_MEM_ALIGN 0x0004
52 #define SS_CAP_STATIC_MAP 0x0008
53 #define SS_CAP_PCCARD 0x4000
54 #define SS_CAP_CARDBUS 0x8000
56 /* for GetSocket, SetSocket */
57 typedef struct socket_state_t {
64 extern socket_state_t dead_socket;
66 /* Socket configuration flags */
67 #define SS_PWR_AUTO 0x0010
68 #define SS_IOCARD 0x0020
69 #define SS_RESET 0x0040
70 #define SS_DMA_MODE 0x0080
71 #define SS_SPKR_ENA 0x0100
72 #define SS_OUTPUT_ENA 0x0200
74 /* Flags for I/O port and memory windows */
75 #define MAP_ACTIVE 0x01
76 #define MAP_16BIT 0x02
77 #define MAP_AUTOSZ 0x04
79 #define MAP_WRPROT 0x10
80 #define MAP_ATTRIB 0x20
81 #define MAP_USE_WAIT 0x40
82 #define MAP_PREFETCH 0x80
84 /* Use this just for bridge windows */
85 #define MAP_IOSPACE 0x20
87 /* power hook operations */
88 #define HOOK_POWER_PRE 0x01
89 #define HOOK_POWER_POST 0x02
92 typedef struct pccard_io_map {
96 kio_addr_t start, stop;
99 typedef struct pccard_mem_map {
105 struct resource *res;
108 typedef struct cb_bridge_map {
117 struct pcmcia_socket;
119 struct pccard_operations {
120 int (*init)(struct pcmcia_socket *sock);
121 int (*suspend)(struct pcmcia_socket *sock);
122 int (*get_status)(struct pcmcia_socket *sock, u_int *value);
123 int (*set_socket)(struct pcmcia_socket *sock, socket_state_t *state);
124 int (*set_io_map)(struct pcmcia_socket *sock, struct pccard_io_map *io);
125 int (*set_mem_map)(struct pcmcia_socket *sock, struct pccard_mem_map *mem);
128 struct pccard_resource_ops {
129 int (*validate_mem) (struct pcmcia_socket *s);
130 int (*adjust_io_region) (struct resource *res,
131 unsigned long r_start,
133 struct pcmcia_socket *s);
134 struct resource* (*find_io) (unsigned long base, int num,
136 struct pcmcia_socket *s);
137 struct resource* (*find_mem) (unsigned long base, unsigned long num,
138 unsigned long align, int low,
139 struct pcmcia_socket *s);
140 int (*adjust_resource) (struct pcmcia_socket *s,
142 int (*init) (struct pcmcia_socket *s);
143 void (*exit) (struct pcmcia_socket *s);
145 /* SS_CAP_STATIC_MAP */
146 extern struct pccard_resource_ops pccard_static_ops;
147 /* !SS_CAP_STATIC_MAP */
148 extern struct pccard_resource_ops pccard_nonstatic_ops;
150 /* static mem, dynamic IO sockets */
151 extern struct pccard_resource_ops pccard_iodyn_ops;
154 * Calls to set up low-level "Socket Services" drivers
156 struct pcmcia_socket;
158 typedef struct io_window_t {
159 kio_addr_t InUse, Config;
160 struct resource *res;
163 #define WINDOW_MAGIC 0xB35C
164 typedef struct window_t {
167 struct pcmcia_device *handle;
168 struct pcmcia_socket *sock;
172 /* Maximum number of IO windows per socket */
175 /* Maximum number of memory windows per socket */
179 struct pcmcia_callback;
182 struct pcmcia_socket {
183 struct module *owner;
185 socket_state_t socket;
189 pccard_mem_map cis_mem;
190 void __iomem *cis_virt;
195 io_window_t io[MAX_IO_WIN];
196 window_t win[MAX_WIN];
197 struct list_head cis_cache;
201 struct list_head socket_list;
202 struct completion socket_released;
205 unsigned int sock; /* socket number */
208 /* socket capabilities */
212 kio_addr_t io_offset;
214 struct pci_dev * cb_dev;
217 /* socket setup is done so resources should be able to be allocated. Only
218 * if set to 1, calls to find_{io,mem}_region are handled, and insertion
219 * events are actually managed by the PCMCIA layer.*/
220 u8 resource_setup_done:1;
222 /* is set to one if resource setup is done using adjust_resource_info() */
223 u8 resource_setup_old:1;
224 u8 resource_setup_new:1;
228 /* socket operations */
229 struct pccard_operations * ops;
230 struct pccard_resource_ops * resource_ops;
231 void * resource_data;
233 /* Zoom video behaviour is so chip specific its not worth adding
235 void (*zoom_video)(struct pcmcia_socket *, int);
237 /* so is power hook */
238 int (*power_hook)(struct pcmcia_socket *sock, int operation);
239 #ifdef CONFIG_CARDBUS
240 /* allows tuning the CB bridge before loading driver for the CB card */
241 void (*tune_bridge)(struct pcmcia_socket *sock, struct pci_bus *bus);
245 struct mutex skt_mutex; /* protects socket h/w state */
247 struct task_struct *thread;
248 struct completion thread_done;
249 wait_queue_head_t thread_wait;
250 spinlock_t thread_lock; /* protects thread_events */
251 unsigned int thread_events;
253 /* pcmcia (16-bit) */
254 struct pcmcia_callback *callback;
256 #if defined(CONFIG_PCMCIA) || defined(CONFIG_PCMCIA_MODULE)
257 struct list_head devices_list; /* PCMCIA devices */
258 u8 device_count; /* the number of devices, used
259 * only internally and subject
260 * to incorrectness and change */
263 u8 present:1, /* PCMCIA card is present in socket */
264 busy:1, /* "master" ioctl is used */
265 dead:1, /* pcmcia module is being unloaded */
266 device_add_pending:1, /* a pseudo-multifunction-device
267 * add event is pending */
271 struct work_struct device_add; /* for adding further pseudo-multifunction
274 #ifdef CONFIG_PCMCIA_IOCTL
275 struct user_info_t *user;
276 wait_queue_head_t queue;
280 /* cardbus (32-bit) */
281 #ifdef CONFIG_CARDBUS
282 struct resource * cb_cis_res;
283 void __iomem *cb_cis_virt;
287 struct class_device dev;
288 void *driver_data; /* data internal to the socket driver */
292 struct pcmcia_socket * pcmcia_get_socket_by_nr(unsigned int nr);
296 extern void pcmcia_parse_events(struct pcmcia_socket *socket, unsigned int events);
297 extern int pcmcia_register_socket(struct pcmcia_socket *socket);
298 extern void pcmcia_unregister_socket(struct pcmcia_socket *socket);
300 extern struct class pcmcia_socket_class;
302 /* socket drivers are expected to use these callbacks in their .drv struct */
303 extern int pcmcia_socket_dev_suspend(struct device *dev, pm_message_t state);
304 extern int pcmcia_socket_dev_resume(struct device *dev);
306 #endif /* _LINUX_SS_H */