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 {
93 phys_addr_t start, stop;
96 typedef struct pccard_mem_map {
100 phys_addr_t static_start;
102 struct resource *res;
105 typedef struct io_window_t {
107 struct resource *res;
110 /* Maximum number of IO windows per socket */
113 /* Maximum number of memory windows per socket */
120 struct pcmcia_socket;
121 struct pccard_resource_ops;
123 struct pcmcia_callback;
126 struct pccard_operations {
127 int (*init)(struct pcmcia_socket *s);
128 int (*suspend)(struct pcmcia_socket *s);
129 int (*get_status)(struct pcmcia_socket *s, u_int *value);
130 int (*set_socket)(struct pcmcia_socket *s, socket_state_t *state);
131 int (*set_io_map)(struct pcmcia_socket *s, struct pccard_io_map *io);
132 int (*set_mem_map)(struct pcmcia_socket *s, struct pccard_mem_map *mem);
135 struct pcmcia_socket {
136 struct module *owner;
137 socket_state_t socket;
139 u_int suspended_state; /* state before suspend */
142 pccard_mem_map cis_mem;
143 void __iomem *cis_virt;
144 io_window_t io[MAX_IO_WIN];
145 pccard_mem_map win[MAX_WIN];
146 struct list_head cis_cache;
150 struct list_head socket_list;
151 struct completion socket_released;
154 unsigned int sock; /* socket number */
157 /* socket capabilities */
163 struct pci_dev *cb_dev;
166 /* socket setup is done so resources should be able to be allocated.
167 * Only if set to 1, calls to find_{io,mem}_region are handled, and
168 * insertio events are actually managed by the PCMCIA layer.*/
169 u8 resource_setup_done:1;
171 /* It's old if resource setup is done using adjust_resource_info() */
172 u8 resource_setup_old:1;
173 u8 resource_setup_new:1;
177 /* socket operations */
178 struct pccard_operations *ops;
179 struct pccard_resource_ops *resource_ops;
182 /* Zoom video behaviour is so chip specific its not worth adding
184 void (*zoom_video)(struct pcmcia_socket *,
187 /* so is power hook */
188 int (*power_hook)(struct pcmcia_socket *sock, int operation);
190 /* allows tuning the CB bridge before loading driver for the CB card */
191 #ifdef CONFIG_CARDBUS
192 void (*tune_bridge)(struct pcmcia_socket *sock, struct pci_bus *bus);
196 struct task_struct *thread;
197 struct completion thread_done;
198 unsigned int thread_events;
199 unsigned int sysfs_events;
201 /* For the non-trivial interaction between these locks,
202 * see Documentation/pcmcia/locking.txt */
203 struct mutex skt_mutex;
204 struct mutex ops_mutex;
206 /* protects thread_events and sysfs_events */
207 spinlock_t thread_lock;
209 /* pcmcia (16-bit) */
210 struct pcmcia_callback *callback;
212 #if defined(CONFIG_PCMCIA) || defined(CONFIG_PCMCIA_MODULE)
213 /* The following elements refer to 16-bit PCMCIA devices inserted
215 struct list_head devices_list;
217 /* the number of devices, used only internally and subject to
218 * incorrectness and change */
223 /* "master" ioctl is used */
225 /* the PCMCIA card consists of two pseudo devices */
231 /* non-zero if PCMCIA card is present */
234 /* IRQ to be used by PCMCIA devices. May not be IRQ 0. */
235 unsigned int pcmcia_irq;
237 #ifdef CONFIG_PCMCIA_IOCTL
238 struct user_info_t *user;
239 wait_queue_head_t queue;
240 #endif /* CONFIG_PCMCIA_IOCTL */
241 #endif /* CONFIG_PCMCIA */
245 /* data internal to the socket driver */
247 /* status of the card during resume from a system sleep state */
252 /* socket drivers must define the resource operations type they use. There
254 * - pccard_static_ops iomem and ioport areas are assigned statically
255 * - pccard_iodyn_ops iomem areas is assigned statically, ioport
257 * If this option is selected, use
258 * "select PCCARD_IODYN" in Kconfig.
259 * - pccard_nonstatic_ops iomem and ioport areas are assigned dynamically.
260 * If this option is selected, use
261 * "select PCCARD_NONSTATIC" in Kconfig.
264 extern struct pccard_resource_ops pccard_static_ops;
265 #if defined(CONFIG_PCMCIA) || defined(CONFIG_PCMCIA_MODULE)
266 extern struct pccard_resource_ops pccard_iodyn_ops;
267 extern struct pccard_resource_ops pccard_nonstatic_ops;
269 /* If PCMCIA is not used, but only CARDBUS, these functions are not used
270 * at all. Therefore, do not use the large (240K!) rsrc_nonstatic module
272 #define pccard_iodyn_ops pccard_static_ops
273 #define pccard_nonstatic_ops pccard_static_ops
277 /* socket drivers use this callback in their IRQ handler */
278 extern void pcmcia_parse_events(struct pcmcia_socket *socket,
279 unsigned int events);
281 /* to register and unregister a socket */
282 extern int pcmcia_register_socket(struct pcmcia_socket *socket);
283 extern void pcmcia_unregister_socket(struct pcmcia_socket *socket);
286 #endif /* _LINUX_SS_H */