summaryrefslogtreecommitdiffstats
path: root/include/pcmcia/ds.h
blob: aab3c13dc310759f8038b64c9f60608386a0facd (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
/*
 * ds.h -- 16-bit PCMCIA core support
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 *
 * The initial developer of the original code is David A. Hinds
 * <dahinds@users.sourceforge.net>.  Portions created by David A. Hinds
 * are Copyright (C) 1999 David A. Hinds.  All Rights Reserved.
 *
 * (C) 1999		David A. Hinds
 * (C) 2003 - 2008	Dominik Brodowski
 */

#ifndef _LINUX_DS_H
#define _LINUX_DS_H

#ifdef __KERNEL__
#include <linux/mod_devicetable.h>
#endif

#include <pcmcia/cs_types.h>
#include <pcmcia/device_id.h>

#ifdef __KERNEL__
#include <linux/device.h>
#include <pcmcia/ss.h>
#include <asm/atomic.h>

/*
 * PCMCIA device drivers (16-bit cards only; 32-bit cards require CardBus
 * a.k.a. PCI drivers
 */
struct pcmcia_socket;
struct pcmcia_device;
struct config_t;
struct net_device;

/* dynamic device IDs for PCMCIA device drivers. See
 * Documentation/pcmcia/driver.txt for details.
*/
struct pcmcia_dynids {
	struct mutex		lock;
	struct list_head	list;
};

struct pcmcia_driver {
	int (*probe)		(struct pcmcia_device *dev);
	void (*remove)		(struct pcmcia_device *dev);

	int (*suspend)		(struct pcmcia_device *dev);
	int (*resume)		(struct pcmcia_device *dev);

	struct module		*owner;
	struct pcmcia_device_id	*id_table;
	struct device_driver	drv;
	struct pcmcia_dynids	dynids;
};

/* driver registration */
int pcmcia_register_driver(struct pcmcia_driver *driver);
void pcmcia_unregister_driver(struct pcmcia_driver *driver);

/* Some drivers use dev_node_t to store char or block device information.
 * Don't use this in new drivers, though.
 */
typedef struct dev_node_t {
	char			dev_name[DEV_NAME_LEN];
	u_short			major, minor;
	struct dev_node_t	*next;
} dev_node_t;

struct pcmcia_device {
	/* the socket and the device_no [for multifunction devices]
	   uniquely define a pcmcia_device */
	struct pcmcia_socket	*socket;

	char			*devname;

	u8			device_no;

	/* the hardware "function" device; certain subdevices can
	 * share one hardware "function" device. */
	u8			func;
	struct config_t		*function_config;

	struct list_head	socket_device_list;

	/* deprecated, will be cleaned up soon */
	dev_node_t		*dev_node;
	u_int			open;
	io_req_t		io;
	irq_req_t		irq;
	config_req_t		conf;
	window_handle_t		win;

	/* Is the device suspended? */
	u16			suspended:1;

	/* Flags whether io, irq, win configurations were
	 * requested, and whether the configuration is "locked" */
	u16			_irq:1;
	u16			_io:1;
	u16			_win:4;
	u16			_locked:1;

	/* Flag whether a "fuzzy" func_id based match is
	 * allowed. */
	u16			allow_func_id_match:1;

	/* information about this device */
	u16			has_manf_id:1;
	u16			has_card_id:1;
	u16			has_func_id:1;

	u16			reserved:4;

	u8			func_id;
	u16			manf_id;
	u16			card_id;

	char			*prod_id[4];

	u64			dma_mask;
	struct device		dev;

#ifdef CONFIG_PCMCIA_IOCTL
	/* device driver wanted by cardmgr */
	struct pcmcia_driver	*cardmgr;
#endif

	/* data private to drivers */
	void			*priv;
};

#define to_pcmcia_dev(n) container_of(n, struct pcmcia_device, dev)
#define to_pcmcia_drv(n) container_of(n, struct pcmcia_driver, drv)


/*
 * CIS access.
 *
 * Please use the following functions to access CIS tuples:
 * - pcmcia_get_tuple()
 * - pcmcia_loop_tuple()
 * - pcmcia_get_mac_from_cis()
 *
 * To parse a tuple_t, pcmcia_parse_tuple() exists. Its interface
 * might change in future.
 */

/* get the very first CIS entry of type @code. Note that buf is pointer
 * to u8 *buf; and that you need to kfree(buf) afterwards. */
size_t pcmcia_get_tuple(struct pcmcia_device *p_dev, cisdata_t code,
			u8 **buf);

/* loop over CIS entries */
int pcmcia_loop_tuple(struct pcmcia_device *p_dev, cisdata_t code,
		      int (*loop_tuple) (struct pcmcia_device *p_dev,
					 tuple_t *tuple,
					 void *priv_data),
		      void *priv_data);

/* get the MAC address from CISTPL_FUNCE */
int pcmcia_get_mac_from_cis(struct pcmcia_device *p_dev,
			    struct net_device *dev);


/* parse a tuple_t */
int pcmcia_parse_tuple(tuple_t *tuple, cisparse_t *parse);

/* loop CIS entries for valid configuration */
int pcmcia_loop_config(struct pcmcia_device *p_dev,
		       int	(*conf_check)	(struct pcmcia_device *p_dev,
						 cistpl_cftable_entry_t *cf,
						 cistpl_cftable_entry_t *dflt,
						 unsigned int vcc,
						 void *priv_data),
		       void *priv_data);

/* is the device still there? */
struct pcmcia_device *pcmcia_dev_present(struct pcmcia_device *p_dev);

/* low-level interface reset */
int pcmcia_reset_card(struct pcmcia_socket *skt);

/* CIS config */
int pcmcia_access_configuration_register(struct pcmcia_device *p_dev,
					 conf_reg_t *reg);

/* device configuration */
int pcmcia_request_io(struct pcmcia_device *p_dev, io_req_t *req);
int pcmcia_request_irq(struct pcmcia_device *p_dev, irq_req_t *req);
int pcmcia_request_configuration(struct pcmcia_device *p_dev,
				 config_req_t *req);

int pcmcia_request_window(struct pcmcia_device *p_dev, win_req_t *req,
			  window_handle_t *wh);
int pcmcia_release_window(struct pcmcia_device *p_dev, window_handle_t win);
int pcmcia_map_mem_page(struct pcmcia_device *p_dev, window_handle_t win,
			memreq_t *req);

int pcmcia_modify_configuration(struct pcmcia_device *p_dev, modconf_t *mod);
void pcmcia_disable_device(struct pcmcia_device *p_dev);

#endif /* __KERNEL__ */



/* Below, there are only definitions which are used by
 * - the PCMCIA ioctl
 * - deprecated PCMCIA userspace tools only
 *
 * here be dragons ... here be dragons ... here be dragons ... here be drag
 */

#if defined(CONFIG_PCMCIA_IOCTL) || !defined(__KERNEL__)

#if defined(__arm__) || defined(__mips__) || defined(__avr32__) || \
	defined(__bfin__)
/* This (ioaddr_t) is exposed to userspace & hence cannot be changed. */
typedef u_int   ioaddr_t;
#else
typedef u_short	ioaddr_t;
#endif

/* for AdjustResourceInfo */
typedef struct adjust_t {
	u_int			Action;
	u_int			Resource;
	u_int			Attributes;
	union {
		struct memory {
			u_long		Base;
			u_long		Size;
		} memory;
		struct io {
			ioaddr_t	BasePort;
			ioaddr_t	NumPorts;
			u_int		IOAddrLines;
		} io;
		struct irq {
			u_int		IRQ;
		} irq;
	} resource;
} adjust_t;

/* Action field */
#define REMOVE_MANAGED_RESOURCE		1
#define ADD_MANAGED_RESOURCE		2
#define GET_FIRST_MANAGED_RESOURCE	3
#define GET_NEXT_MANAGED_RESOURCE	4
/* Resource field */
#define RES_MEMORY_RANGE		1
#define RES_IO_RANGE			2
#define RES_IRQ				3
/* Attribute field */
#define RES_IRQ_TYPE			0x03
#define RES_IRQ_TYPE_EXCLUSIVE		0
#define RES_IRQ_TYPE_TIME		1
#define RES_IRQ_TYPE_DYNAMIC		2
#define RES_IRQ_CSC			0x04
#define RES_SHARED			0x08
#define RES_RESERVED			0x10
#define RES_ALLOCATED			0x20
#define RES_REMOVED			0x40


typedef struct tuple_parse_t {
	tuple_t			tuple;
	cisdata_t		data[255];
	cisparse_t		parse;
} tuple_parse_t;

typedef struct win_info_t {
	window_handle_t		handle;
	win_req_t		window;
	memreq_t		map;
} win_info_t;

typedef struct bind_info_t {
	dev_info_t		dev_info;
	u_char			function;
	struct pcmcia_device	*instance;
	char			name[DEV_NAME_LEN];
	u_short			major, minor;
	void			*next;
} bind_info_t;

typedef struct mtd_info_t {
	dev_info_t     		dev_info;
	u_int			Attributes;
	u_int			CardOffset;
} mtd_info_t;

typedef struct region_info_t {
	u_int			Attributes;
	u_int			CardOffset;
	u_int			RegionSize;
	u_int			AccessSpeed;
	u_int			BlockSize;
	u_int			PartMultiple;
	u_char			JedecMfr, JedecInfo;
	memory_handle_t		next;
} region_info_t;

#define REGION_TYPE		0x0001
#define REGION_TYPE_CM		0x0000
#define REGION_TYPE_AM		0x0001
#define REGION_PREFETCH		0x0008
#define REGION_CACHEABLE	0x0010
#define REGION_BAR_MASK		0xe000
#define REGION_BAR_SHIFT	13

/* For ReplaceCIS */
typedef struct cisdump_t {
	u_int			Length;
	cisdata_t		Data[CISTPL_MAX_CIS_SIZE];
} cisdump_t;

/* for GetConfigurationInfo */
typedef struct config_info_t {
	u_char			Function;
	u_int			Attributes;
	u_int			Vcc, Vpp1, Vpp2;
	u_int			IntType;
	u_int			ConfigBase;
	u_char			Status, Pin, Copy, Option, ExtStatus;
	u_int			Present;
	u_int			CardValues;
	u_int			AssignedIRQ;
	u_int			IRQAttributes;
	ioaddr_t		BasePort1;
	ioaddr_t		NumPorts1;
	u_int			Attributes1;
	ioaddr_t		BasePort2;
	ioaddr_t		NumPorts2;
	u_int			Attributes2;
	u_int			IOAddrLines;
} config_info_t;

/* For ValidateCIS */
typedef struct cisinfo_t {
	u_int			Chains;
} cisinfo_t;

typedef struct cs_status_t {
	u_char			Function;
	event_t 		CardState;
	event_t			SocketState;
} cs_status_t;

typedef union ds_ioctl_arg_t {
	adjust_t		adjust;
	config_info_t		config;
	tuple_t			tuple;
	tuple_parse_t		tuple_parse;
	client_req_t		client_req;
	cs_status_t		status;
	conf_reg_t		conf_reg;
	cisinfo_t		cisinfo;
	region_info_t		region;
	bind_info_t		bind_info;
	mtd_info_t		mtd_info;
	win_info_t		win_info;
	cisdump_t		cisdump;
} ds_ioctl_arg_t;

#define DS_ADJUST_RESOURCE_INFO			_IOWR('d',  2, adjust_t)
#define DS_GET_CONFIGURATION_INFO		_IOWR('d',  3, config_info_t)
#define DS_GET_FIRST_TUPLE			_IOWR('d',  4, tuple_t)
#define DS_GET_NEXT_TUPLE			_IOWR('d',  5, tuple_t)
#define DS_GET_TUPLE_DATA			_IOWR('d',  6, tuple_parse_t)
#define DS_PARSE_TUPLE				_IOWR('d',  7, tuple_parse_t)
#define DS_RESET_CARD				_IO  ('d',  8)
#define DS_GET_STATUS				_IOWR('d',  9, cs_status_t)
#define DS_ACCESS_CONFIGURATION_REGISTER	_IOWR('d', 10, conf_reg_t)
#define DS_VALIDATE_CIS				_IOR ('d', 11, cisinfo_t)
#define DS_SUSPEND_CARD				_IO  ('d', 12)
#define DS_RESUME_CARD				_IO  ('d', 13)
#define DS_EJECT_CARD				_IO  ('d', 14)
#define DS_INSERT_CARD				_IO  ('d', 15)
#define DS_GET_FIRST_REGION			_IOWR('d', 16, region_info_t)
#define DS_GET_NEXT_REGION			_IOWR('d', 17, region_info_t)
#define DS_REPLACE_CIS				_IOWR('d', 18, cisdump_t)
#define DS_GET_FIRST_WINDOW			_IOR ('d', 19, win_info_t)
#define DS_GET_NEXT_WINDOW			_IOWR('d', 20, win_info_t)
#define DS_GET_MEM_PAGE				_IOWR('d', 21, win_info_t)

#define DS_BIND_REQUEST				_IOWR('d', 60, bind_info_t)
#define DS_GET_DEVICE_INFO			_IOWR('d', 61, bind_info_t)
#define DS_GET_NEXT_DEVICE			_IOWR('d', 62, bind_info_t)
#define DS_UNBIND_REQUEST			_IOW ('d', 63, bind_info_t)
#define DS_BIND_MTD				_IOWR('d', 64, mtd_info_t)


/* used in userspace only */
#define CS_IN_USE			0x1e

#define INFO_MASTER_CLIENT	0x01
#define INFO_IO_CLIENT		0x02
#define INFO_MTD_CLIENT		0x04
#define INFO_MEM_CLIENT		0x08
#define MAX_NUM_CLIENTS		3

#define INFO_CARD_SHARE		0x10
#define INFO_CARD_EXCL		0x20


#endif /* !defined(__KERNEL__) || defined(CONFIG_PCMCIA_IOCTL) */

#endif /* _LINUX_DS_H */