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 <linux/interrupt.h>
28 #include <pcmcia/ss.h>
29 #include <linux/atomic.h>
33 * PCMCIA device drivers (16-bit cards only; 32-bit cards require CardBus
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 {
52 int (*probe) (struct pcmcia_device *dev);
53 void (*remove) (struct pcmcia_device *dev);
55 int (*suspend) (struct pcmcia_device *dev);
56 int (*resume) (struct pcmcia_device *dev);
59 const struct pcmcia_device_id *id_table;
60 struct device_driver drv;
61 struct pcmcia_dynids dynids;
64 /* driver registration */
65 int pcmcia_register_driver(struct pcmcia_driver *driver);
66 void pcmcia_unregister_driver(struct pcmcia_driver *driver);
69 * module_pcmcia_driver() - Helper macro for registering a pcmcia driver
70 * @__pcmcia_driver: pcmcia_driver struct
72 * Helper macro for pcmcia drivers which do not do anything special in module
73 * init/exit. This eliminates a lot of boilerplate. Each module may only use
74 * this macro once, and calling it replaces module_init() and module_exit().
76 #define module_pcmcia_driver(__pcmcia_driver) \
77 module_driver(__pcmcia_driver, pcmcia_register_driver, \
78 pcmcia_unregister_driver)
80 /* for struct resource * array embedded in struct pcmcia_device */
91 struct pcmcia_device {
92 /* the socket and the device_no [for multifunction devices]
93 uniquely define a pcmcia_device */
94 struct pcmcia_socket *socket;
100 /* the hardware "function" device; certain subdevices can
101 * share one hardware "function" device. */
103 struct config_t *function_config;
105 struct list_head socket_device_list;
109 struct resource *resource[PCMCIA_NUM_RESOURCES];
110 resource_size_t card_addr; /* for the 1st IOMEM resource */
113 unsigned int config_flags; /* CONF_ENABLE_ flags below */
114 unsigned int config_base;
115 unsigned int config_index;
116 unsigned int config_regs; /* PRESENT_ flags below */
117 unsigned int io_lines; /* number of I/O lines */
119 /* Is the device suspended? */
122 /* Flags whether io, irq, win configurations were
123 * requested, and whether the configuration is "locked" */
129 /* Flag whether a "fuzzy" func_id based match is
131 u16 allow_func_id_match:1;
133 /* information about this device */
149 /* data private to drivers */
154 #define to_pcmcia_dev(n) container_of(n, struct pcmcia_device, dev)
155 #define to_pcmcia_drv(n) container_of(n, struct pcmcia_driver, drv)
161 * Please use the following functions to access CIS tuples:
162 * - pcmcia_get_tuple()
163 * - pcmcia_loop_tuple()
164 * - pcmcia_get_mac_from_cis()
166 * To parse a tuple_t, pcmcia_parse_tuple() exists. Its interface
167 * might change in future.
170 /* get the very first CIS entry of type @code. Note that buf is pointer
171 * to u8 *buf; and that you need to kfree(buf) afterwards. */
172 size_t pcmcia_get_tuple(struct pcmcia_device *p_dev, cisdata_t code,
175 /* loop over CIS entries */
176 int pcmcia_loop_tuple(struct pcmcia_device *p_dev, cisdata_t code,
177 int (*loop_tuple) (struct pcmcia_device *p_dev,
182 /* get the MAC address from CISTPL_FUNCE */
183 int pcmcia_get_mac_from_cis(struct pcmcia_device *p_dev,
184 struct net_device *dev);
187 /* parse a tuple_t */
188 int pcmcia_parse_tuple(tuple_t *tuple, cisparse_t *parse);
190 /* loop CIS entries for valid configuration */
191 int pcmcia_loop_config(struct pcmcia_device *p_dev,
192 int (*conf_check) (struct pcmcia_device *p_dev,
196 /* is the device still there? */
197 struct pcmcia_device *pcmcia_dev_present(struct pcmcia_device *p_dev);
199 /* low-level interface reset */
200 int pcmcia_reset_card(struct pcmcia_socket *skt);
203 int pcmcia_read_config_byte(struct pcmcia_device *p_dev, off_t where, u8 *val);
204 int pcmcia_write_config_byte(struct pcmcia_device *p_dev, off_t where, u8 val);
206 /* device configuration */
207 int pcmcia_request_io(struct pcmcia_device *p_dev);
210 __pcmcia_request_exclusive_irq(struct pcmcia_device *p_dev,
211 irq_handler_t handler);
212 static inline __must_check __deprecated int
213 pcmcia_request_exclusive_irq(struct pcmcia_device *p_dev,
214 irq_handler_t handler)
216 return __pcmcia_request_exclusive_irq(p_dev, handler);
219 int __must_check pcmcia_request_irq(struct pcmcia_device *p_dev,
220 irq_handler_t handler);
222 int pcmcia_enable_device(struct pcmcia_device *p_dev);
224 int pcmcia_request_window(struct pcmcia_device *p_dev, struct resource *res,
226 int pcmcia_release_window(struct pcmcia_device *p_dev, struct resource *res);
227 int pcmcia_map_mem_page(struct pcmcia_device *p_dev, struct resource *res,
228 unsigned int offset);
230 int pcmcia_fixup_vpp(struct pcmcia_device *p_dev, unsigned char new_vpp);
231 int pcmcia_fixup_iowidth(struct pcmcia_device *p_dev);
233 void pcmcia_disable_device(struct pcmcia_device *p_dev);
236 #define IO_DATA_PATH_WIDTH 0x18
237 #define IO_DATA_PATH_WIDTH_8 0x00
238 #define IO_DATA_PATH_WIDTH_16 0x08
239 #define IO_DATA_PATH_WIDTH_AUTO 0x10
242 #define WIN_MEMORY_TYPE_CM 0x00 /* default */
243 #define WIN_MEMORY_TYPE_AM 0x20 /* MAP_ATTRIB */
244 #define WIN_DATA_WIDTH_8 0x00 /* default */
245 #define WIN_DATA_WIDTH_16 0x02 /* MAP_16BIT */
246 #define WIN_ENABLE 0x01 /* MAP_ACTIVE */
247 #define WIN_USE_WAIT 0x40 /* MAP_USE_WAIT */
249 #define WIN_FLAGS_MAP 0x63 /* MAP_ATTRIB | MAP_16BIT | MAP_ACTIVE |
251 #define WIN_FLAGS_REQ 0x1c /* mapping to socket->win[i]:
257 /* config_reg{ister}s present for this PCMCIA device */
258 #define PRESENT_OPTION 0x001
259 #define PRESENT_STATUS 0x002
260 #define PRESENT_PIN_REPLACE 0x004
261 #define PRESENT_COPY 0x008
262 #define PRESENT_EXT_STATUS 0x010
263 #define PRESENT_IOBASE_0 0x020
264 #define PRESENT_IOBASE_1 0x040
265 #define PRESENT_IOBASE_2 0x080
266 #define PRESENT_IOBASE_3 0x100
267 #define PRESENT_IOSIZE 0x200
269 /* flags to be passed to pcmcia_enable_device() */
270 #define CONF_ENABLE_IRQ 0x0001
271 #define CONF_ENABLE_SPKR 0x0002
272 #define CONF_ENABLE_PULSE_IRQ 0x0004
273 #define CONF_ENABLE_ESR 0x0008
274 #define CONF_ENABLE_IOCARD 0x0010 /* auto-enabled if IO resources or IRQ
275 * (CONF_ENABLE_IRQ) in use */
276 #define CONF_ENABLE_ZVCARD 0x0020
278 /* flags used by pcmcia_loop_config() autoconfiguration */
279 #define CONF_AUTO_CHECK_VCC 0x0100 /* check for matching Vcc? */
280 #define CONF_AUTO_SET_VPP 0x0200 /* set Vpp? */
281 #define CONF_AUTO_AUDIO 0x0400 /* enable audio line? */
282 #define CONF_AUTO_SET_IO 0x0800 /* set ->resource[0,1] */
283 #define CONF_AUTO_SET_IOMEM 0x1000 /* set ->resource[2] */
285 #endif /* __KERNEL__ */
287 #endif /* _LINUX_DS_H */