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
89 typedef struct pccard_io_map {
96 typedef struct pccard_mem_map {
102 struct resource *res;
105 typedef struct io_window_t {
107 struct resource *res;
110 #define WINDOW_MAGIC 0xB35C
111 typedef struct window_t {
114 struct pcmcia_device *handle;
115 struct pcmcia_socket *sock;
119 /* Maximum number of IO windows per socket */
122 /* Maximum number of memory windows per socket */
129 struct pcmcia_socket;
130 struct pccard_resource_ops;
132 struct pcmcia_callback;
135 struct pccard_operations {
136 int (*init)(struct pcmcia_socket *s);
137 int (*suspend)(struct pcmcia_socket *s);
138 int (*get_status)(struct pcmcia_socket *s, u_int *value);
139 int (*set_socket)(struct pcmcia_socket *s, socket_state_t *state);
140 int (*set_io_map)(struct pcmcia_socket *s, struct pccard_io_map *io);
141 int (*set_mem_map)(struct pcmcia_socket *s, struct pccard_mem_map *mem);
144 struct pcmcia_socket {
145 struct module *owner;
147 socket_state_t socket;
151 pccard_mem_map cis_mem;
152 void __iomem *cis_virt;
157 io_window_t io[MAX_IO_WIN];
158 window_t win[MAX_WIN];
159 struct list_head cis_cache;
163 struct list_head socket_list;
164 struct completion socket_released;
167 unsigned int sock; /* socket number */
170 /* socket capabilities */
176 struct pci_dev * cb_dev;
179 /* socket setup is done so resources should be able to be allocated.
180 * Only if set to 1, calls to find_{io,mem}_region are handled, and
181 * insertio events are actually managed by the PCMCIA layer.*/
182 u8 resource_setup_done:1;
184 /* It's old if resource setup is done using adjust_resource_info() */
185 u8 resource_setup_old:1;
186 u8 resource_setup_new:1;
190 /* socket operations */
191 struct pccard_operations * ops;
192 struct pccard_resource_ops * resource_ops;
193 void * resource_data;
195 /* Zoom video behaviour is so chip specific its not worth adding
197 void (*zoom_video)(struct pcmcia_socket *,
200 /* so is power hook */
201 int (*power_hook)(struct pcmcia_socket *sock, int operation);
203 /* allows tuning the CB bridge before loading driver for the CB card */
204 #ifdef CONFIG_CARDBUS
205 void (*tune_bridge)(struct pcmcia_socket *sock, struct pci_bus *bus);
209 struct task_struct *thread;
210 struct completion thread_done;
211 unsigned int thread_events;
212 /* protects socket h/w state */
213 struct mutex skt_mutex;
214 /* protects thread_events */
215 spinlock_t thread_lock;
217 /* pcmcia (16-bit) */
218 struct pcmcia_callback *callback;
220 #if defined(CONFIG_PCMCIA) || defined(CONFIG_PCMCIA_MODULE)
221 /* The following elements refer to 16-bit PCMCIA devices inserted
223 struct list_head devices_list;
225 /* the number of devices, used only internally and subject to
226 * incorrectness and change */
231 /* PCMCIA card is present in socket */
233 /* "master" ioctl is used */
235 /* pcmcia module is being unloaded */
237 /* a multifunction-device add event is pending */
238 u8 device_add_pending:1;
239 /* the pending event adds a mfc (1) or pfc (0) */
246 /* for adding further pseudo-multifunction devices */
247 struct work_struct device_add;
249 #ifdef CONFIG_PCMCIA_IOCTL
250 struct user_info_t *user;
251 wait_queue_head_t queue;
252 #endif /* CONFIG_PCMCIA_IOCTL */
253 #endif /* CONFIG_PCMCIA */
255 /* cardbus (32-bit) */
256 #ifdef CONFIG_CARDBUS
257 struct resource * cb_cis_res;
258 void __iomem *cb_cis_virt;
259 #endif /* CONFIG_CARDBUS */
263 /* data internal to the socket driver */
268 /* socket drivers must define the resource operations type they use. There
270 * - pccard_static_ops iomem and ioport areas are assigned statically
271 * - pccard_iodyn_ops iomem areas is assigned statically, ioport
273 * - pccard_nonstatic_ops iomem and ioport areas are assigned dynamically.
274 * If this option is selected, use
275 * "select PCCARD_NONSTATIC" in Kconfig.
277 extern struct pccard_resource_ops pccard_static_ops;
278 extern struct pccard_resource_ops pccard_iodyn_ops;
279 extern struct pccard_resource_ops pccard_nonstatic_ops;
281 /* socket drivers are expected to use these callbacks in their .drv struct */
282 extern int pcmcia_socket_dev_suspend(struct device *dev, pm_message_t state);
283 extern int pcmcia_socket_dev_resume(struct device *dev);
285 /* socket drivers use this callback in their IRQ handler */
286 extern void pcmcia_parse_events(struct pcmcia_socket *socket,
287 unsigned int events);
289 /* to register and unregister a socket */
290 extern int pcmcia_register_socket(struct pcmcia_socket *socket);
291 extern void pcmcia_unregister_socket(struct pcmcia_socket *socket);
294 #endif /* _LINUX_SS_H */