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>
23 #include <linux/pci.h>
26 /* Definitions for card status flags for GetStatus */
27 #define SS_WRPROT 0x0001
28 #define SS_CARDLOCK 0x0002
29 #define SS_EJECTION 0x0004
30 #define SS_INSERTION 0x0008
31 #define SS_BATDEAD 0x0010
32 #define SS_BATWARN 0x0020
33 #define SS_READY 0x0040
34 #define SS_DETECT 0x0080
35 #define SS_POWERON 0x0100
37 #define SS_STSCHG 0x0400
38 #define SS_CARDBUS 0x0800
39 #define SS_3VCARD 0x1000
40 #define SS_XVCARD 0x2000
41 #define SS_PENDING 0x4000
42 #define SS_ZVCARD 0x8000
44 /* InquireSocket capabilities */
45 #define SS_CAP_PAGE_REGS 0x0001
46 #define SS_CAP_VIRTUAL_BUS 0x0002
47 #define SS_CAP_MEM_ALIGN 0x0004
48 #define SS_CAP_STATIC_MAP 0x0008
49 #define SS_CAP_PCCARD 0x4000
50 #define SS_CAP_CARDBUS 0x8000
52 /* for GetSocket, SetSocket */
53 typedef struct socket_state_t {
60 extern socket_state_t dead_socket;
62 /* Socket configuration flags */
63 #define SS_PWR_AUTO 0x0010
64 #define SS_IOCARD 0x0020
65 #define SS_RESET 0x0040
66 #define SS_DMA_MODE 0x0080
67 #define SS_SPKR_ENA 0x0100
68 #define SS_OUTPUT_ENA 0x0200
70 /* Flags for I/O port and memory windows */
71 #define MAP_ACTIVE 0x01
72 #define MAP_16BIT 0x02
73 #define MAP_AUTOSZ 0x04
75 #define MAP_WRPROT 0x10
76 #define MAP_ATTRIB 0x20
77 #define MAP_USE_WAIT 0x40
78 #define MAP_PREFETCH 0x80
80 /* Use this just for bridge windows */
81 #define MAP_IOSPACE 0x20
83 /* power hook operations */
84 #define HOOK_POWER_PRE 0x01
85 #define HOOK_POWER_POST 0x02
87 typedef struct pccard_io_map {
91 phys_addr_t start, stop;
94 typedef struct pccard_mem_map {
98 phys_addr_t static_start;
100 struct resource *res;
103 typedef struct io_window_t {
105 struct resource *res;
108 /* Maximum number of IO windows per socket */
111 /* Maximum number of memory windows per socket */
118 struct pcmcia_socket;
119 struct pccard_resource_ops;
121 struct pcmcia_callback;
124 struct pccard_operations {
125 int (*init)(struct pcmcia_socket *s);
126 int (*suspend)(struct pcmcia_socket *s);
127 int (*get_status)(struct pcmcia_socket *s, u_int *value);
128 int (*set_socket)(struct pcmcia_socket *s, socket_state_t *state);
129 int (*set_io_map)(struct pcmcia_socket *s, struct pccard_io_map *io);
130 int (*set_mem_map)(struct pcmcia_socket *s, struct pccard_mem_map *mem);
133 struct pcmcia_socket {
134 struct module *owner;
135 socket_state_t socket;
137 u_int suspended_state; /* state before suspend */
140 pccard_mem_map cis_mem;
141 void __iomem *cis_virt;
142 io_window_t io[MAX_IO_WIN];
143 pccard_mem_map win[MAX_WIN];
144 struct list_head cis_cache;
148 struct list_head socket_list;
149 struct completion socket_released;
152 unsigned int sock; /* socket number */
155 /* socket capabilities */
161 struct pci_dev *cb_dev;
163 /* socket setup is done so resources should be able to be allocated.
164 * Only if set to 1, calls to find_{io,mem}_region are handled, and
165 * insertio events are actually managed by the PCMCIA layer.*/
166 u8 resource_setup_done;
168 /* socket operations */
169 struct pccard_operations *ops;
170 struct pccard_resource_ops *resource_ops;
173 /* Zoom video behaviour is so chip specific its not worth adding
175 void (*zoom_video)(struct pcmcia_socket *,
178 /* so is power hook */
179 int (*power_hook)(struct pcmcia_socket *sock, int operation);
181 /* allows tuning the CB bridge before loading driver for the CB card */
182 #ifdef CONFIG_CARDBUS
183 void (*tune_bridge)(struct pcmcia_socket *sock, struct pci_bus *bus);
187 struct task_struct *thread;
188 struct completion thread_done;
189 unsigned int thread_events;
190 unsigned int sysfs_events;
192 /* For the non-trivial interaction between these locks,
193 * see Documentation/pcmcia/locking.txt */
194 struct mutex skt_mutex;
195 struct mutex ops_mutex;
197 /* protects thread_events and sysfs_events */
198 spinlock_t thread_lock;
200 /* pcmcia (16-bit) */
201 struct pcmcia_callback *callback;
203 #if defined(CONFIG_PCMCIA) || defined(CONFIG_PCMCIA_MODULE)
204 /* The following elements refer to 16-bit PCMCIA devices inserted
206 struct list_head devices_list;
208 /* the number of devices, used only internally and subject to
209 * incorrectness and change */
212 /* does the PCMCIA card consist of two pseudo devices? */
215 /* non-zero if PCMCIA card is present */
218 /* IRQ to be used by PCMCIA devices. May not be IRQ 0. */
219 unsigned int pcmcia_irq;
221 #endif /* CONFIG_PCMCIA */
225 /* data internal to the socket driver */
227 /* status of the card during resume from a system sleep state */
232 /* socket drivers must define the resource operations type they use. There
234 * - pccard_static_ops iomem and ioport areas are assigned statically
235 * - pccard_iodyn_ops iomem areas is assigned statically, ioport
237 * If this option is selected, use
238 * "select PCCARD_IODYN" in Kconfig.
239 * - pccard_nonstatic_ops iomem and ioport areas are assigned dynamically.
240 * If this option is selected, use
241 * "select PCCARD_NONSTATIC" in Kconfig.
244 extern struct pccard_resource_ops pccard_static_ops;
245 #if defined(CONFIG_PCMCIA) || defined(CONFIG_PCMCIA_MODULE)
246 extern struct pccard_resource_ops pccard_iodyn_ops;
247 extern struct pccard_resource_ops pccard_nonstatic_ops;
249 /* If PCMCIA is not used, but only CARDBUS, these functions are not used
250 * at all. Therefore, do not use the large (240K!) rsrc_nonstatic module
252 #define pccard_iodyn_ops pccard_static_ops
253 #define pccard_nonstatic_ops pccard_static_ops
257 /* socket drivers use this callback in their IRQ handler */
258 extern void pcmcia_parse_events(struct pcmcia_socket *socket,
259 unsigned int events);
261 /* to register and unregister a socket */
262 extern int pcmcia_register_socket(struct pcmcia_socket *socket);
263 extern void pcmcia_unregister_socket(struct pcmcia_socket *socket);
266 #endif /* _LINUX_SS_H */