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 /* dynamic device IDs for PCMCIA device drivers. See
40 * Documentation/pcmcia/driver.txt for details.
42 struct pcmcia_dynids {
44 struct list_head list;
47 struct pcmcia_driver {
48 int (*probe) (struct pcmcia_device *dev);
49 void (*remove) (struct pcmcia_device *dev);
51 int (*suspend) (struct pcmcia_device *dev);
52 int (*resume) (struct pcmcia_device *dev);
55 struct pcmcia_device_id *id_table;
56 struct device_driver drv;
57 struct pcmcia_dynids dynids;
60 /* driver registration */
61 int pcmcia_register_driver(struct pcmcia_driver *driver);
62 void pcmcia_unregister_driver(struct pcmcia_driver *driver);
64 /* for struct resource * array embedded in struct pcmcia_device */
75 struct pcmcia_device {
76 /* the socket and the device_no [for multifunction devices]
77 uniquely define a pcmcia_device */
78 struct pcmcia_socket *socket;
84 /* the hardware "function" device; certain subdevices can
85 * share one hardware "function" device. */
87 struct config_t *function_config;
89 struct list_head socket_device_list;
91 /* deprecated, will be cleaned up soon */
96 struct resource *resource[PCMCIA_NUM_RESOURCES];
98 unsigned int io_lines; /* number of I/O lines */
100 /* Is the device suspended? */
103 /* Flags whether io, irq, win configurations were
104 * requested, and whether the configuration is "locked" */
110 /* Flag whether a "fuzzy" func_id based match is
112 u16 allow_func_id_match:1;
114 /* information about this device */
130 /* data private to drivers */
135 #define to_pcmcia_dev(n) container_of(n, struct pcmcia_device, dev)
136 #define to_pcmcia_drv(n) container_of(n, struct pcmcia_driver, drv)
142 * Please use the following functions to access CIS tuples:
143 * - pcmcia_get_tuple()
144 * - pcmcia_loop_tuple()
145 * - pcmcia_get_mac_from_cis()
147 * To parse a tuple_t, pcmcia_parse_tuple() exists. Its interface
148 * might change in future.
151 /* get the very first CIS entry of type @code. Note that buf is pointer
152 * to u8 *buf; and that you need to kfree(buf) afterwards. */
153 size_t pcmcia_get_tuple(struct pcmcia_device *p_dev, cisdata_t code,
156 /* loop over CIS entries */
157 int pcmcia_loop_tuple(struct pcmcia_device *p_dev, cisdata_t code,
158 int (*loop_tuple) (struct pcmcia_device *p_dev,
163 /* get the MAC address from CISTPL_FUNCE */
164 int pcmcia_get_mac_from_cis(struct pcmcia_device *p_dev,
165 struct net_device *dev);
168 /* parse a tuple_t */
169 int pcmcia_parse_tuple(tuple_t *tuple, cisparse_t *parse);
171 /* loop CIS entries for valid configuration */
172 int pcmcia_loop_config(struct pcmcia_device *p_dev,
173 int (*conf_check) (struct pcmcia_device *p_dev,
174 cistpl_cftable_entry_t *cf,
175 cistpl_cftable_entry_t *dflt,
180 /* is the device still there? */
181 struct pcmcia_device *pcmcia_dev_present(struct pcmcia_device *p_dev);
183 /* low-level interface reset */
184 int pcmcia_reset_card(struct pcmcia_socket *skt);
187 int pcmcia_read_config_byte(struct pcmcia_device *p_dev, off_t where, u8 *val);
188 int pcmcia_write_config_byte(struct pcmcia_device *p_dev, off_t where, u8 val);
190 /* device configuration */
191 int pcmcia_request_io(struct pcmcia_device *p_dev);
194 __pcmcia_request_exclusive_irq(struct pcmcia_device *p_dev,
195 irq_handler_t handler);
196 static inline __must_check __deprecated int
197 pcmcia_request_exclusive_irq(struct pcmcia_device *p_dev,
198 irq_handler_t handler)
200 return __pcmcia_request_exclusive_irq(p_dev, handler);
203 int __must_check pcmcia_request_irq(struct pcmcia_device *p_dev,
204 irq_handler_t handler);
206 int pcmcia_request_configuration(struct pcmcia_device *p_dev,
209 int pcmcia_request_window(struct pcmcia_device *p_dev, struct resource *res,
211 int pcmcia_release_window(struct pcmcia_device *p_dev, struct resource *res);
212 int pcmcia_map_mem_page(struct pcmcia_device *p_dev, struct resource *res,
213 unsigned int offset);
215 int pcmcia_fixup_vpp(struct pcmcia_device *p_dev, unsigned char new_vpp);
216 int pcmcia_fixup_iowidth(struct pcmcia_device *p_dev);
218 void pcmcia_disable_device(struct pcmcia_device *p_dev);
221 #define IO_DATA_PATH_WIDTH 0x18
222 #define IO_DATA_PATH_WIDTH_8 0x00
223 #define IO_DATA_PATH_WIDTH_16 0x08
224 #define IO_DATA_PATH_WIDTH_AUTO 0x10
226 /* convert flag found in cfgtable to data path width parameter */
227 static inline int pcmcia_io_cfg_data_width(unsigned int flags)
229 if (!(flags & CISTPL_IO_8BIT))
230 return IO_DATA_PATH_WIDTH_16;
231 if (!(flags & CISTPL_IO_16BIT))
232 return IO_DATA_PATH_WIDTH_8;
233 return IO_DATA_PATH_WIDTH_AUTO;
237 #define WIN_MEMORY_TYPE_CM 0x00 /* default */
238 #define WIN_MEMORY_TYPE_AM 0x20 /* MAP_ATTRIB */
239 #define WIN_DATA_WIDTH_8 0x00 /* default */
240 #define WIN_DATA_WIDTH_16 0x02 /* MAP_16BIT */
241 #define WIN_ENABLE 0x01 /* MAP_ACTIVE */
242 #define WIN_USE_WAIT 0x40 /* MAP_USE_WAIT */
244 #define WIN_FLAGS_MAP 0x63 /* MAP_ATTRIB | MAP_16BIT | MAP_ACTIVE |
246 #define WIN_FLAGS_REQ 0x1c /* mapping to socket->win[i]:
253 #endif /* __KERNEL__ */
255 #endif /* _LINUX_DS_H */