2 * ds.h -- 16-bit PCMCIA core support
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
13 * (C) 2003 - 2008 Dominik Brodowski
20 #include <linux/mod_devicetable.h>
23 #include <pcmcia/device_id.h>
26 #include <linux/device.h>
27 #include <pcmcia/ss.h>
28 #include <asm/atomic.h>
31 * PCMCIA device drivers (16-bit cards only; 32-bit cards require CardBus
39 typedef unsigned long window_handle_t;
41 /* dynamic device IDs for PCMCIA device drivers. See
42 * Documentation/pcmcia/driver.txt for details.
44 struct pcmcia_dynids {
46 struct list_head list;
49 struct pcmcia_driver {
50 int (*probe) (struct pcmcia_device *dev);
51 void (*remove) (struct pcmcia_device *dev);
53 int (*suspend) (struct pcmcia_device *dev);
54 int (*resume) (struct pcmcia_device *dev);
57 struct pcmcia_device_id *id_table;
58 struct device_driver drv;
59 struct pcmcia_dynids dynids;
62 /* driver registration */
63 int pcmcia_register_driver(struct pcmcia_driver *driver);
64 void pcmcia_unregister_driver(struct pcmcia_driver *driver);
66 struct pcmcia_device {
67 /* the socket and the device_no [for multifunction devices]
68 uniquely define a pcmcia_device */
69 struct pcmcia_socket *socket;
75 /* the hardware "function" device; certain subdevices can
76 * share one hardware "function" device. */
78 struct config_t *function_config;
80 struct list_head socket_device_list;
82 /* deprecated, will be cleaned up soon */
89 struct resource *resource[MAX_IO_WIN];
91 /* Is the device suspended? */
94 /* Flags whether io, irq, win configurations were
95 * requested, and whether the configuration is "locked" */
101 /* Flag whether a "fuzzy" func_id based match is
103 u16 allow_func_id_match:1;
105 /* information about this device */
121 /* data private to drivers */
126 #define to_pcmcia_dev(n) container_of(n, struct pcmcia_device, dev)
127 #define to_pcmcia_drv(n) container_of(n, struct pcmcia_driver, drv)
133 * Please use the following functions to access CIS tuples:
134 * - pcmcia_get_tuple()
135 * - pcmcia_loop_tuple()
136 * - pcmcia_get_mac_from_cis()
138 * To parse a tuple_t, pcmcia_parse_tuple() exists. Its interface
139 * might change in future.
142 /* get the very first CIS entry of type @code. Note that buf is pointer
143 * to u8 *buf; and that you need to kfree(buf) afterwards. */
144 size_t pcmcia_get_tuple(struct pcmcia_device *p_dev, cisdata_t code,
147 /* loop over CIS entries */
148 int pcmcia_loop_tuple(struct pcmcia_device *p_dev, cisdata_t code,
149 int (*loop_tuple) (struct pcmcia_device *p_dev,
154 /* get the MAC address from CISTPL_FUNCE */
155 int pcmcia_get_mac_from_cis(struct pcmcia_device *p_dev,
156 struct net_device *dev);
159 /* parse a tuple_t */
160 int pcmcia_parse_tuple(tuple_t *tuple, cisparse_t *parse);
162 /* loop CIS entries for valid configuration */
163 int pcmcia_loop_config(struct pcmcia_device *p_dev,
164 int (*conf_check) (struct pcmcia_device *p_dev,
165 cistpl_cftable_entry_t *cf,
166 cistpl_cftable_entry_t *dflt,
171 /* is the device still there? */
172 struct pcmcia_device *pcmcia_dev_present(struct pcmcia_device *p_dev);
174 /* low-level interface reset */
175 int pcmcia_reset_card(struct pcmcia_socket *skt);
178 int pcmcia_read_config_byte(struct pcmcia_device *p_dev, off_t where, u8 *val);
179 int pcmcia_write_config_byte(struct pcmcia_device *p_dev, off_t where, u8 val);
181 /* device configuration */
182 int pcmcia_request_io(struct pcmcia_device *p_dev, io_req_t *req);
185 __pcmcia_request_exclusive_irq(struct pcmcia_device *p_dev,
186 irq_handler_t handler);
187 static inline __must_check __deprecated int
188 pcmcia_request_exclusive_irq(struct pcmcia_device *p_dev,
189 irq_handler_t handler)
191 return __pcmcia_request_exclusive_irq(p_dev, handler);
194 int __must_check pcmcia_request_irq(struct pcmcia_device *p_dev,
195 irq_handler_t handler);
197 int pcmcia_request_configuration(struct pcmcia_device *p_dev,
200 int pcmcia_request_window(struct pcmcia_device *p_dev, win_req_t *req,
201 window_handle_t *wh);
202 int pcmcia_release_window(struct pcmcia_device *p_dev, window_handle_t win);
203 int pcmcia_map_mem_page(struct pcmcia_device *p_dev, window_handle_t win,
206 int pcmcia_modify_configuration(struct pcmcia_device *p_dev, modconf_t *mod);
207 void pcmcia_disable_device(struct pcmcia_device *p_dev);
209 #endif /* __KERNEL__ */
211 #endif /* _LINUX_DS_H */