1 /*
2  * CDDL HEADER START
3  *
4  * The contents of this file are subject to the terms of the
5  * Common Development and Distribution License, Version 1.0 only
6  * (the "License").  You may not use this file except in compliance
7  * with the License.
8  *
9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10  * or http://www.opensolaris.org/os/licensing.
11  * See the License for the specific language governing permissions
12  * and limitations under the License.
13  *
14  * When distributing Covered Code, include this CDDL HEADER in each
15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16  * If applicable, add the following below this CDDL HEADER, with the
17  * fields enclosed by brackets "[]" replaced with your own identifying
18  * information: Portions Copyright [yyyy] [name of copyright owner]
19  *
20  * CDDL HEADER END
21  */
22 /*
23  * Copyright 2005 Sun Microsystems, Inc.  All rights reserved.
24  * Use is subject to license terms.
25  */
26 
27 #ifndef _CS_PRIV_H
28 #define	_CS_PRIV_H
29 
30 #pragma ident	"%Z%%M%	%I%	%E% SMI"
31 
32 #ifdef	__cplusplus
33 extern "C" {
34 #endif
35 
36 /*
37  * PCMCIA Card Services private header file
38  */
39 
40 /*
41  * typedef for function pointers to quiet lint and cc -v
42  */
43 typedef	int32_t (f_t)(int32_t, ...);	/* for lint - cc -v quieting */
44 
45 /*
46  * Magic number we use when talking with Socket Services
47  */
48 #define	CS_MAGIC	PCCS_MAGIC
49 
50 /*
51  * Make the calls to SocketServices and the CIS Parser look like
52  *	function calls.
53  */
54 #define	SocketServices	(*cs_socket_services)
55 #define	CIS_PARSER	(*cis_parser)
56 
57 /*
58  * CIS_DEFAULT_SPEED is the default speed to use to read the CIS
59  *	in AM space.  It is expressed in nS.
60  */
61 #define	CIS_DEFAULT_SPEED	250
62 
63 /*
64  * This is the IO window speed.
65  */
66 #define	IO_WIN_SPEED		250
67 
68 /*
69  * Flags to support various internal first/next functions. All of
70  *	these must be within CIS_GET_LTUPLE_OPMASK which is defined
71  *	in the cis.h file. Values outside this mask range are used
72  *	internally by the CIS parser.
73  */
74 #define	CS_GET_FIRST_FLAG	0x0001
75 #define	CS_GET_NEXT_FLAG	0x0002
76 
77 /*
78  * Macros to manipulate bits - only does up to uint32_t size
79  */
80 #define	CS_BIT_WORDSIZE		(sizeof (uint32_t))
81 
82 #define	CS_BIT_GET(val, bit)	\
83 			((uint32_t)(val) & (uint32_t)(1<<(uint32_t)(bit)))
84 
85 #define	CS_BIT_CLEAR(val, bit)	((val) &= (uint32_t)~(1<<(uint32_t)(bit)))
86 
87 #define	CS_BIT_SET(val, bit)	\
88 			((uint32_t)(val) |= (uint32_t)(1<<(uint32_t)(bit)))
89 
90 /*
91  * Minimum time to wait after socket reset before we are allowed to
92  *	access the card.  The PCMCIA specification says at least 20mS
93  *	must elapse from the time that the card is reset until the
94  *	first access of any kind can be made to the card. This time
95  *	value is expressed in mS.
96  */
97 #define	RESET_TIMEOUT_TIME	180
98 
99 /*
100  * Maximum time to wait for card ready after resetting the socket.
101  *	We wait for card ready a maximum of 20 seconds after card
102  *	reset before considering that we have an error condition.
103  * XXX - what does PCMCIA specify as the max time here??
104  */
105 #define	READY_TIMEOUT_TIME	(drv_usectohz(20000000))
106 
107 /*
108  * Time between periodically kicking the soft interrupt handler.
109  */
110 #define	SOFTINT_TIMEOUT_TIME	(drv_usectohz(2000000))
111 
112 /*
113  * Various delays are necessary when switching the card and socket
114  *	between IO and memory modes. All delays are in mS.
115  *
116  *  cs_request_configuration parameters:
117  *    CS_RC1_DELAY - delay between writing COR and switching socket
118  *			to IO mode
119  *    CS_RC2_DELAY - delay after switching socket to IO mode
120  *
121  *  cs_release_configuration parameters:
122  *	CS_RQ_DELAY - amount of time that the RESET bit in the COR is
123  *			held asserted
124  */
125 #define	CS_RC1_DELAY		20	/* COR->IO delay in mS */
126 #define	CS_RC2_DELAY		300	/* post-COR delay in mS */
127 #define	CS_RQ_DELAY		100	/* COR(RESET) delay in mS */
128 
129 /*
130  * Handy macro to do untimeout.
131  */
132 #define	UNTIMEOUT(id)		\
133 	if ((id)) {		\
134 	    (void) untimeout((id));	\
135 	    (id) = 0;		\
136 	}
137 
138 /*
139  * Macros to enter/exit event thread mutex
140  */
141 #define	EVENT_THREAD_MUTEX_ENTER(acq, sp)		\
142 	acq = !MUTEX_HELD(&sp->client_lock);		\
143 	if (acq)					\
144 	    mutex_enter(&sp->client_lock);
145 #define	EVENT_THREAD_MUTEX_EXIT(acq, sp)		\
146 	if (acq)					\
147 	    mutex_exit(&sp->client_lock);
148 
149 /*
150  * cisregister_t structure is used to support the CISRegister
151  *	and the CISUnregister function calls
152  */
153 typedef struct cisregister_t {
154 	uint32_t		cis_magic;
155 	uint32_t		cis_version;
156 	void *			(*cis_parser)(int32_t function, ...);
157 	cistpl_callout_t	*cistpl_std_callout; /* standard callout list */
158 } cisregister_t;
159 
160 /*
161  * These two defines are to support CISRegister and CISUnregister
162  */
163 #define	CIS_MAGIC	0x20434953
164 #define	CIS_VERSION	_VERSION(0, 1)
165 
166 /*
167  * CS_MAX_CIS defines the number of CIS chains that we hang off the per-socket
168  *	structure.
169  *
170  * CS_GLOBAL_CIS defines the index where the CIS parser puts the first CIS list
171  *	for a single-function card or the global CIS list for a multi-function
172  *	card.
173  *
174  * CS_MAX_CIS is one greater than CIS_MAX_FUNCTIONS since the CIS parser
175  *	puts the global CIS chain on the CS_GLOBAL_CIS function index as
176  * 	follows:
177  *
178  *	For single-function cards:
179  *	    sp->cis[0] - CIS chain
180  *	    sp->cis[1..(CIS_MAX_FUNCTIONS - 1)] - not used
181  *	    sp->cis[CS_GLOBAL_CIS] - not used
182  *
183  *	For multi-function cards:
184  *	    sp->cis[0..(CIS_MAX_FUNCTIONS - 1)] - global CIS chain followed
185  *					by per-function CIS chain
186  *	    sp->cis[CS_GLOBAL_CIS] - global CIS chain
187  */
188 #define	CS_MAX_CIS	(CIS_MAX_FUNCTIONS + 1)
189 #define	CS_GLOBAL_CIS	CIS_MAX_FUNCTIONS
190 
191 /*
192  * CS_SS_CLIENT_HANDLE is a special client handle that Socket Services gets
193  *	when it registers with RegisterClient.
194  */
195 #define	CS_SS_CLIENT_HANDLE	0x00000000
196 
197 /*
198  * Client handle, socket number, function number and socket pointer
199  *	macros. The client handle encoding is private to Card Services,
200  *	and external modules should not use these macros to manipulate
201  *	client handles.
202  *
203  *	The encoding of the client handle is:
204  *
205  *		xxxxxfff | xsssssss | cccccccc | cccccccc
206  *
207  *	f - function number bit
208  *	s - socket number bit
209  *	c - client number bit
210  *	x - don't care bits
211  */
212 #define	CLIENT_HANDLE_IS_SS(ch)		(!GET_CLIENT_MINOR((ch)))
213 #define	CS_MAX_SOCKETS_MASK		(PCMCIA_MAX_SOCKETS - 1)
214 #define	CS_MAX_FUNCTIONS_MASK		(CIS_MAX_FUNCTIONS - 1)
215 #define	CS_MAX_CLIENTS_MASK		0x0ffff
216 #define	CS_MAX_CLIENTS			(CS_MAX_CLIENTS_MASK - 2)
217 #define	MAKE_CLIENT_HANDLE(s, f, c)	((((f)&CS_MAX_FUNCTIONS_MASK)<<24) | \
218 					    (((s)&CS_MAX_SOCKETS_MASK)<<16) | \
219 					    ((c)&CS_MAX_CLIENTS_MASK))
220 #define	GET_CLIENT_SOCKET(ch)		(((ch)>>16)&CS_MAX_SOCKETS_MASK)
221 #define	GET_CLIENT_FUNCTION(ch)		(((ch)>>24)&CS_MAX_FUNCTIONS_MASK)
222 #define	GET_CLIENT_MINOR(ch)		((ch)&CS_MAX_CLIENTS_MASK)
223 
224 /*
225  * Socket number macros. These are used by Socket Services, CSI
226  *	drivers and the "super-client" driver to specify which
227  *	socket and function number on that socket they wish to
228  *	manipulate. This socket number encoding is typically passed
229  *	to various Card Services functions by these drivers.
230  *
231  *	The encoding of the socket number is:
232  *
233  *		xxxxxxxx | xxxxgfff | xxxxxxxx | xsssssss
234  *
235  *	g - global CIS bit
236  *	f - function number bit
237  *	s - socket number bit
238  *	x - don't care bits
239  */
240 #define	CS_GET_SOCKET_NUMBER(s)		((s)&CS_MAX_SOCKETS_MASK)
241 #define	CS_GET_FUNCTION_NUMBER(s)	(((s)>>16)&(CS_MAX_FUNCTIONS_MASK | \
242 							CIS_MAX_FUNCTIONS))
243 #define	CS_SET_SOCKET_NUMBER(s)		((s)&CS_MAX_SOCKETS_MASK)
244 #define	CS_SET_FUNCTION_NUMBER(f)	(((f)&(CS_MAX_FUNCTIONS_MASK | \
245 						CIS_MAX_FUNCTIONS))<<16)
246 #define	CS_MAKE_SOCKET_NUMBER(s, f)	(CS_SET_SOCKET_NUMBER(s) | \
247 						CS_SET_FUNCTION_NUMBER(f))
248 
249 /*
250  * DIP2SOCKET_NUM(dip) - this macro gets the PCM_DEV_SOCKET property from
251  *	the passed dip.  If the property can't be found, then the default
252  *	value of cs_globals.max_socket_num is returned.
253  */
254 #define	DIP2SOCKET_NUM(dip)		ddi_getprop(DDI_DEV_T_NONE, dip,\
255 						(DDI_PROP_CANSLEEP |	\
256 							DDI_PROP_NOTPROM), \
257 						PCM_DEV_SOCKET,		\
258 						cs_globals.max_socket_num)
259 
260 /*
261  * Range checking macros
262  *
263  * CHECK_SOCKET_NUM(socket_number, max_sockets) returns 1 if
264  *	socket_number is in range
265  */
266 #define	CHECK_SOCKET_NUM(sn, ms)	(((sn) >= (ms))?0:1)
267 
268 /*
269  * window macros
270  *
271  * These all expect that the window has been validated as a valid
272  *	window (i.e. CW_WINDOW_VALID is set in window state)
273  *
274  * Note that WINDOW_FOR_SOCKET expects a socket mask for the wsm
275  *	parameter (this is a socket_enum_t type, and NOT just a
276  *	plain old uint32_t)
277  */
278 #define	WINDOW_FOR_SOCKET(wsm, sn)	((wsm)[sn/PR_WORDSIZE] & \
279 						(1 << ((sn) & PR_MASK)))
280 #define	WINDOW_AVAILABLE_FOR_MEM(cwp)	(!(cwp->state & CW_WIN_IN_USE))
281 #define	WINDOW_AVAILABLE_FOR_IO(cwp)	\
282 		(!(cwp->state & (CW_CIS | CW_MEM | CW_ALLOCATED)))
283 
284 /*
285  * IO Base and NumPorts address frobnitz macros
286  */
287 #define	IOADDR_FROBNITZ(Base, IOAddrLines)	(Base&((1<<IOAddrLines)-1))
288 #define	IONUMPORTS_FROBNITZ(np)			(((np)&1)?((np)+1):(np))
289 
290 /*
291  * Structure that contains offsets to the card's configuration registers
292  *	as well as copies of the data written to them in RequestConfiguration.
293  *	We use an offset per register approach since not all cards have
294  *	all registers implemented, and by specifying a NULL register offset,
295  *	we know not to try to access that register.
296  */
297 typedef struct config_regs_t {
298 	cfg_regs_t	cor;		/* Configuration Option Register */
299 	uint32_t	cor_p;
300 	cfg_regs_t	ccsr;		/* Configuration and Status Register */
301 	uint32_t	ccsr_p;
302 	cfg_regs_t	prr;		/* Pin Replacement Register */
303 	uint32_t	prr_p;
304 	cfg_regs_t	scr;		/* Socket and Copy Register */
305 	uint32_t	scr_p;
306 	cfg_regs_t	exstat;		/* Extended Status Register */
307 	uint32_t	exstat_p;
308 	cfg_regs_t	iobase0;	/* IO Base 0 Register */
309 	uint32_t	iobase0_p;
310 	cfg_regs_t	iobase1;	/* IO Base 1 Register */
311 	uint32_t	iobase1_p;
312 	cfg_regs_t	iobase2;	/* IO Base 2 Register */
313 	uint32_t	iobase2_p;
314 	cfg_regs_t	iobase3;	/* IO Base 3 Register */
315 	uint32_t	iobase3_p;
316 	cfg_regs_t	iolimit;	/* IO Limit Register */
317 	uint32_t	iolimit_p;
318 } config_regs_t;
319 
320 /*
321  * Macro to make calling the client's event handler look like a function.
322  */
323 #define	CLIENT_EVENT_CALLBACK(cp, event, pri)		\
324 	    (cp)->event_callback_handler(event, pri,	\
325 			&(cp)->event_callback_args)
326 
327 /*
328  * Macro to return event in PRR - this also clears the changed bit if
329  *	the event occured.
330  */
331 #define	PRR_EVENT(prrx, pe, ps, ce, re)	\
332 	if (prrx & pe) {		\
333 	    if (prrx & ps)		\
334 		(re) |= ce;		\
335 	    prrx &= ~pe;		\
336 	    prrx |= ps;			\
337 	}
338 
339 /*
340  * io_alloc_t struct used to keep track of a client's IO window allocation
341  */
342 typedef struct io_alloc_t {
343 	uint32_t	Window1;	/* allocated IO window no. for set #1 */
344 	baseaddru_t	BasePort1;	/* 1st IO range base address or port */
345 	uint32_t	NumPorts1;	/* 1st IO range no. contiguous ports */
346 	uint32_t	Attributes1;	/* 1st IO range attributes */
347 	uint32_t	Window2;	/* allocated IO window no. for set #2 */
348 	baseaddru_t	BasePort2;	/* s2nd IO range base address or port */
349 	uint32_t	NumPorts2;	/* 2nd IO range no. contiguous ports */
350 	uint32_t	Attributes2;	/* second IO range attributes */
351 	uint32_t	IOAddrLines;	/* number of IO address lines decoded */
352 } io_alloc_t;
353 
354 /*
355  * irq_alloc_t structure used to keep track of a client's IRQ allocation
356  */
357 typedef struct irq_alloc_t {
358 	uint32_t	Attributes;	/* IRQ attribute flags */
359 	uint32_t	irq;		/* assigned IRQ number */
360 	uint32_t	handler_id;	/* IRQ handler ID for this IRQ */
361 	f_t		*irq_handler;
362 	void		*irq_handler_arg1;
363 	void		*irq_handler_arg2;
364 } irq_alloc_t;
365 
366 /*
367  * The client data structure
368  */
369 typedef struct client_t {
370 	client_handle_t	client_handle;	/* this client's client handle */
371 	unsigned	flags;		/* client flags */
372 	/* resource control */
373 	uint32_t	memwin_count;	/* number of mem windows allocated */
374 	io_alloc_t	io_alloc;	/* IO resource allocations */
375 	irq_alloc_t	irq_alloc;	/* IRQ resource allocations */
376 	/* event support */
377 	uint32_t	event_mask;	/* client event mask */
378 	uint32_t	global_mask;	/* client global event mask */
379 	uint32_t	events;		/* current events pending */
380 	uint32_t	pending_events;	/* events pending in RegisterClient */
381 	csfunction_t	*event_callback_handler;
382 	event_callback_args_t	event_callback_args;
383 	/* config registers support */
384 	config_regs_t	config_regs;	/* pointers to config registers */
385 	uint32_t	config_regs_offset; /* offset from start of AM */
386 	unsigned	pin;		/* valid bits in PRR */
387 	uint32_t	present;	/* which config registers present */
388 	/* DDI support */
389 	dev_info_t	*dip;		/* this client's dip */
390 	char		*driver_name;	/* client's driver name */
391 	int32_t		instance;	/* client's driver instance */
392 	/* list control */
393 	struct client_t	*next;		/* next client pointer */
394 	struct client_t	*prev;		/* previous client pointer */
395 } client_t;
396 
397 /*
398  * Flags for client structure - note that we share the client_t->flags
399  *	member with the definitions in cs.h that are used by the
400  *	RegisterClient function.
401  *
402  * We can start our flags from 0x00001000 and on up.
403  */
404 #define	REQ_CONFIGURATION_DONE	0x00001000	/* RequestConfiguration done */
405 #define	REQ_SOCKET_MASK_DONE	0x00002000	/* RequestSocketMask done */
406 #define	REQ_IO_DONE		0x00004000	/* RequestIO done */
407 #define	REQ_IRQ_DONE		0x00008000	/* RequestIRQ done */
408 #define	CLIENT_SUPER_CLIENT	0x00010000	/* "super-client" client */
409 #define	CLIENT_CSI_CLIENT	0x00020000	/* CSI client */
410 #define	CLIENT_CARD_INSERTED	0x00100000	/* current card for client */
411 #define	CLIENT_SENT_INSERTION	0x00200000	/* send CARD_INSERTION */
412 #define	CLIENT_MTD_IN_PROGRESS	0x01000000	/* MTD op in progress */
413 #define	CLIENT_IO_ALLOCATED	0x02000000	/* IO resources allocated */
414 #define	CLIENT_IRQ_ALLOCATED	0x04000000	/* IRQ resources allocated */
415 #define	CLIENT_WIN_ALLOCATED	0x08000000	/* window resources allocated */
416 
417 #ifdef	USE_IOMMAP_WINDOW
418 /*
419  * io_mmap_window_t structure that describes the memory-mapped IO
420  *	window on this socket
421  */
422 typedef struct io_mmap_window_t {
423 	uint32_t		flags;	/* window flags */
424 	uint32_t		number;	/* IO window number */
425 	uint32_t		size;	/* size of mapped IO window */
426 	ddi_acc_handle_t	handle;	/* window mapped base address */
427 	uint32_t		count;	/* referance count */
428 } io_mmap_window_t;
429 #endif	/* USE_IOMMAP_WINDOW */
430 
431 /*
432  * cis_info_t structure used to hold per-socket CIS information
433  */
434 typedef struct cis_info_t {
435 	uint32_t	flags;		/* CIS-specific flags */
436 	cistpl_t	*cis;		/* CIS linked lists */
437 	uint32_t	nchains;	/* number of tuple chains in CIS */
438 	uint32_t	ntuples;	/* number of tuples in CIS */
439 } cis_info_t;
440 
441 /*
442  * cs_adapter_t structure used to hold per-socket
443  *	adapter-specific info
444  */
445 typedef struct cs_adapter_t {
446 	uint32_t	flags;		/* adapter flags */
447 	char		name[MODMAXNAMELEN]; /* adapter module name */
448 	uint32_t	major;		/* adapter major number */
449 	uint32_t	minor;		/* adapter minor number */
450 	uint32_t	instance;	/* instance number of this adapter */
451 	uint32_t	number;		/* canonical adapter number */
452 	uint32_t	num_sockets;	/* # sockets on this adapter */
453 	uint32_t	first_socket;	/* first socket # on this adapter */
454 } cs_adapter_t;
455 
456 /*
457  * The per-socket structure.
458  */
459 typedef struct cs_socket_t {
460 	unsigned	socket_num;	/* socket number */
461 	uint32_t	flags;		/* socket flags */
462 	uint32_t	init_state;	/* cs_init state */
463 	cs_adapter_t	adapter;	/* adapter info */
464 	/* socket thread control and status */
465 	kthread_t	*event_thread;	/* per-socket work thread */
466 	uint32_t	thread_state;	/* socket thread state flags */
467 	kmutex_t	lock;		/* protects events and clients */
468 	kcondvar_t	thread_cv;	/* event handling synchronization */
469 	kcondvar_t	caller_cv;	/* event handling synchronization */
470 	kcondvar_t	reset_cv;	/* for use after card RESET */
471 	uint32_t	events;		/* socket events */
472 	uint32_t	event_mask;	/* socket event mask */
473 	ddi_softintr_t	softint_id;	/* soft interrupt handler ID */
474 	timeout_id_t	rdybsy_tmo_id;	/* timer ID for READY/BUSY timer */
475 	ddi_iblock_cookie_t	*iblk;	/* event iblk cookie */
476 	ddi_idevice_cookie_t	*idev;	/* event idev cookie */
477 	callb_cpr_t	cprinfo_cs;	/* CPR cookie for cs_event_thread */
478 	callb_cpr_t	cprinfo_ss;	/* CPR cookie for cs_ss_thread */
479 	/* client management */
480 	client_t	*client_list;	/* clients on this socket */
481 	unsigned	next_cl_minor;	/* next available client minor num */
482 	kmutex_t	client_lock;	/* protects client list */
483 	uint32_t	num_clients;	/* number of clients on this socket */
484 	/* CIS support */
485 	uint32_t	cis_win_num;	/* CIS window number */
486 	unsigned	cis_win_size;	/* CIS window size */
487 	uint32_t	cis_flags;
488 	uint32_t	nfuncs;		/* number of functions */
489 	cis_info_t	cis[CS_MAX_CIS]; /* CIS information */
490 	kmutex_t	cis_lock;	/* protects CIS */
491 #ifdef	USE_IOMMAP_WINDOW
492 	/* memory mapped IO window support */
493 	io_mmap_window_t *io_mmap_window;
494 #endif	/* USE_IOMMAP_WINDOW */
495 	/* Socket Services work thread control and status */
496 	kthread_t	*ss_thread;	/* SS work thread */
497 	uint32_t	ss_thread_state; /* SS work thread state */
498 	kcondvar_t	ss_thread_cv;	/* SS work thread synchronization */
499 	kcondvar_t	ss_caller_cv;	/* SS work thread synchronization */
500 	kmutex_t	ss_thread_lock;	/* protects SS work thread state */
501 	struct cs_socket_t	*next;	/* next socket in list */
502 } cs_socket_t;
503 
504 /*
505  * cs_socket_t->flags flags
506  */
507 #define	SOCKET_CARD_INSERTED		0x00000001	/* card is inserted */
508 #define	SOCKET_IS_IO			0x00000002	/* socket in IO mode */
509 #define	SOCKET_UNLOAD_MODULE		0x00000004	/* want to unload CS */
510 #define	SOCKET_NEEDS_THREAD		0x00000008	/* wake event thread */
511 #define	SOCKET_IS_VALID			0x00000020	/* socket OK to use */
512 
513 /*
514  * cs_socket_t->thread_state and cs_socket_t->ss_thread_state flags
515  */
516 
517 /* generic for all threads */
518 #define	SOCKET_THREAD_EXIT		0x00000001	/* exit event thread */
519 
520 /* only used for per-socket event thread */
521 #define	SOCKET_WAIT_FOR_READY		0x00001000	/* waiting for READY */
522 #define	SOCKET_RESET_TIMER		0x00002000	/* RESET timer */
523 #define	SOCKET_WAIT_SYNC		0x00004000	/* SYNC */
524 
525 /* only used for Socket Services work thread */
526 #define	SOCKET_THREAD_CSCISInit		0x00100000	/* call CSCISInit */
527 
528 /*
529  * cs_socket_t->cis_flags and cs_socket_t->cis_info_t->flags flags
530  */
531 #define	CW_VALID_CIS			0x00000001	/* valid CIS */
532 #define	CW_MULTI_FUNCTION_CIS		0x00000002	/* multifunction card */
533 #define	CW_LONGLINK_A_FOUND		0x00000004	/* CISTPL_LONGLINK_A */
534 #define	CW_LONGLINK_C_FOUND		0x00000008	/* CISTP_LONGLINK_C */
535 #define	CW_LONGLINK_MFC_FOUND		0x00000010	/* LONGLINK_MFC */
536 #define	CW_CHECK_LINKTARGET		0x00000020	/* check linktarget */
537 #define	CW_RET_ON_LINKTARGET_ERROR	0x00000040	/* linktarget invalid */
538 #define	CW_CHECK_PRIMARY_CHAIN		0x00000080	/* check for primary */
539 							/* chain tuples */
540 
541 /*
542  * CW_LONGLINK_FOUND - a combination of the various CW_LONGLINK_XXX_FOUND
543  *			flags used to make the code less dense.
544  */
545 #define	CW_LONGLINK_FOUND		(CW_LONGLINK_A_FOUND |	\
546 					CW_LONGLINK_C_FOUND |	\
547 					CW_LONGLINK_MFC_FOUND)
548 
549 /*
550  * macro to test for a valid CIS window on a socket
551  */
552 #define	SOCKET_HAS_CIS_WINDOW(sp)	(sp->cis_win_num != PCMCIA_MAX_WINDOWS)
553 
554 /*
555  * cs_socket_t->init_state flags - these flags are used to keep track of what
556  *	was allocated in cs_init so that things can be deallocated properly
557  *	in cs_deinit.
558  */
559 #define	SOCKET_INIT_STATE_MUTEX		0x00000001	/* mutexii are OK */
560 #define	SOCKET_INIT_STATE_CV		0x00000002	/* cvii are OK */
561 #define	SOCKET_INIT_STATE_THREAD	0x00000004	/* thread OK */
562 #define	SOCKET_INIT_STATE_READY		0x00000008	/* socket OK */
563 #define	SOCKET_INIT_STATE_SS_THREAD	0x00000010	/* SS thread OK */
564 /*
565  * While this next flag doesn't really describe a per-socket resource,
566  *	we still set it for each socket.  When the soft interrupt handler
567  *	finally gets removed in cs_deinit, this flag will get cleared.
568  *	The value of this flag should follow the previous SOCKET_INIT
569  *	flag values.
570  */
571 #define	SOCKET_INIT_STATE_SOFTINTR	0x00000020	/* softintr handler */
572 
573 /*
574  * Macro to create a socket event thread.
575  */
576 #define	CS_THREAD_PRIORITY		(v.v_maxsyspri - 4)
577 #define	CREATE_SOCKET_EVENT_THREAD(eh, csp)			\
578 	thread_create(NULL, 0, eh, (void *)csp,			\
579 	0, &p0, TS_RUN, CS_THREAD_PRIORITY)
580 
581 /*
582  * The per-window structure.
583  */
584 typedef struct cs_window_t {
585 	uint32_t	window_num;	/* window number */
586 	window_handle_t	window_handle;	/* unique window handle */
587 	client_handle_t	client_handle;	/* owner of this window */
588 	unsigned	socket_num;	/* socket number */
589 	unsigned	state;		/* window state flags */
590 	struct cs_window_t	*next;	/* next window in list */
591 } cs_window_t;
592 
593 /*
594  * Window structure state flags - if none of the bits in the
595  *	CW_WIN_IN_USE mask are set AND if CW_WINDOW_VALID is set,
596  *	it means that this window is available and not being used
597  *	by anyone.
598  * Setting the CW_ALLOCATED will prevent the window from being found
599  *	as an available window for memory or IO; since memory windows
600  *	are not shared between clients, RequestWindow will always set
601  *	the CW_ALLOCATED flag when it has assigned a memory window to
602  *	a client.  Since we can sometimes share IO windows, RequestIO
603  *	will only set the CW_ALLOCATED flag if it doesn't want the IO
604  *	window to be used by other calls to RequestIO.
605  * When CW_WINDOW_VALID is set, it means that this is a valid window
606  *	that has been added by the framework and can be used. If this
607  *	bit is not set, this window can not be used at all.
608  */
609 #define	CW_ALLOCATED	0x00000001	/* window is allocated  */
610 #define	CW_CIS		0x00000002	/* window being used as CIS window */
611 #define	CW_MEM		0x00000004	/* window being used as mem window */
612 #define	CW_IO		0x00000008	/* window being used as IO window */
613 #define	CW_WIN_IN_USE	0x0000ffff	/* window in use mask */
614 #define	CW_WINDOW_VALID	0x00010000	/* window is valid */
615 
616 /*
617  * window handle defines - the WINDOW_HANDLE_MASK implies the maximum number
618  *	of windows allowed
619  */
620 #define	WINDOW_HANDLE_MAGIC	0x574d0000
621 #define	WINDOW_HANDLE_MASK	0x0000ffff
622 #define	GET_WINDOW_NUMBER(wh)	((wh) & WINDOW_HANDLE_MASK)
623 #define	GET_WINDOW_MAGIC(wh)	((wh) & ~WINDOW_HANDLE_MASK)
624 
625 /*
626  * The client type structures, used to sequence events to clients on a
627  *	socket. The "type" flags are the same as are used for the
628  *	RegisterClient function.
629  */
630 typedef struct client_types_t {
631 	uint32_t		type;
632 	uint32_t		order;
633 	struct client_types_t	*next;
634 } client_types_t;
635 
636 /*
637  * Flags that specify the order of client event notifications for the
638  *	client_types_t structure.
639  */
640 #define	CLIENT_EVENTS_LIFO	0x00000001
641 #define	CLIENT_EVENTS_FIFO	0x00000002
642 
643 /*
644  * This is a structure that CS uses to keep track of items that are global
645  *	to all functions in the module.
646  */
647 typedef struct cs_globals_t {
648 	cs_socket_t	*sp;		/* head of socket list */
649 	cs_window_t	*cw;		/* head of window list */
650 	kmutex_t	global_lock;	/* protects this struct */
651 	kmutex_t	window_lock;	/* protects cs_windows */
652 	ddi_softintr_t	softint_id;	/* soft interrupt handler id */
653 	timeout_id_t	sotfint_tmo;	/* soft interrupt handler timeout id */
654 	uint32_t	init_state;	/* flags set in cs_init */
655 	uint32_t	flags;		/* general global flags */
656 	uint32_t	max_socket_num;	/* highest socket number plus one */
657 	uint32_t	num_sockets;	/* total number of sockets */
658 	uint32_t	num_windows;	/* total number of windows */
659 	struct sclient_list_t	*sclient_list;
660 } cs_globals_t;
661 
662 /*
663  * Flags for cs_globals_t->init_state
664  */
665 #define	GLOBAL_INIT_STATE_SOFTINTR	0x00010000	/* softintr handler */
666 #define	GLOBAL_INIT_STATE_MUTEX		0x00020000	/* global mutex init */
667 #define	GLOBAL_INIT_STATE_NO_CLIENTS	0x00040000	/* no new clients */
668 #define	GLOBAL_INIT_STATE_UNLOADING	0x00080000	/* cs_deinit running */
669 #define	GLOBAL_INIT_STATE_SS_READY	0x00100000	/* SS ready for */
670 							/* callbacks */
671 /*
672  * Flags for cs_globals_t->flags
673  */
674 #define	GLOBAL_SUPER_CLIENT_REGISTERED	0x00000001	/* "super-client" reg */
675 #define	GLOBAL_IN_SOFTINTR		0x00000002	/* in soft int code */
676 
677 /*
678  * sclient_reg_t struct for RegisterClient when a "super-client" is
679  *	registering.
680  * This structure is actually hung off of the client_reg_t.private
681  *	structure member.  Since we don't make public how to write
682  *	a "super-client", the actual structure that the client uses
683  *	is defined in this private header file.
684  */
685 typedef struct sclient_reg_t {
686 	uint32_t		max_socket_num;
687 	uint32_t		num_sockets;
688 	uint32_t		num_windows;
689 	uint32_t		num_clients;
690 	struct sclient_list_t {
691 		client_handle_t	client_handle;
692 		uint32_t	error;
693 	} **sclient_list;
694 } sclient_reg_t;
695 
696 /*
697  * structure for event text used for cs_ss_event_text
698  */
699 typedef struct cs_ss_event_text_t {
700 	event_t		ss_event;	/* SS event code */
701 	event_t		cs_event;	/* CS event code */
702 	char		*text;
703 } cs_ss_event_text_t;
704 
705 /*
706  * Flags for cs_read_event_status
707  */
708 #define	CS_RES_IGNORE_NO_CARD		0x0001	/* don't check for card */
709 
710 /*
711  * cs_csfunc2text_strings_t structure used internally in Error2Text
712  */
713 typedef struct cs_csfunc2text_strings_t {
714 	uint32_t	item;
715 	char		*text;
716 } cs_csfunc2text_strings_t;
717 
718 /*
719  * Flags for Error2Text - not used by clients; the struct is defined
720  *	in the cs.h header file.
721  */
722 #define	CSFUN2TEXT_FUNCTION	0x0001	/* return text of CS function code */
723 #define	CSFUN2TEXT_RETURN	0x0002	/* return text of CS return code */
724 
725 /*
726  * Macros to walk the local linked CIS list.
727  *
728  * These macros can take any valid local list tuple pointer.  They return
729  *	another tuple pointer or NULL if they fail.
730  */
731 #define	GET_NEXT_TUPLE(tp, f)		CIS_PARSER(CISP_CIS_GET_LTUPLE, tp,  \
732 						NULL, GET_NEXT_LTUPLEF |     \
733 						(f & ~CIS_GET_LTUPLE_OPMASK))
734 #define	GET_PREV_TUPLE(tp, f)		CIS_PARSER(CISP_CIS_GET_LTUPLE, tp,  \
735 						NULL, GET_PREV_LTUPLEF |     \
736 						(f & ~CIS_GET_LTUPLE_OPMASK))
737 #define	GET_FIRST_LTUPLE(tp, f)		CIS_PARSER(CISP_CIS_GET_LTUPLE, tp,   \
738 						NULL, GET_FIRST_LTUPLEF |     \
739 						(f & ~CIS_GET_LTUPLE_OPMASK))
740 #define	GET_LAST_LTUPLE(tp, f)		CIS_PARSER(CISP_CIS_GET_LTUPLE, tp,   \
741 						NULL, GET_LAST_LTUPLEF |      \
742 						(f & ~CIS_GET_LTUPLE_OPMASK))
743 #define	FIND_LTUPLE_FWD(tp, tu, f)	CIS_PARSER(CISP_CIS_GET_LTUPLE, tp,   \
744 						tu, FIND_LTUPLE_FWDF |        \
745 						(f & ~CIS_GET_LTUPLE_OPMASK))
746 #define	FIND_LTUPLE_BACK(tp, tu, f)	CIS_PARSER(CISP_CIS_GET_LTUPLE, tp,   \
747 						tu, FIND_LTUPLE_BACKF |       \
748 						(f & ~CIS_GET_LTUPLE_OPMASK))
749 #define	FIND_NEXT_LTUPLE(tp, tu, f)	CIS_PARSER(CISP_CIS_GET_LTUPLE, tp,   \
750 						tu, FIND_NEXT_LTUPLEF |       \
751 						(f & ~CIS_GET_LTUPLE_OPMASK))
752 #define	FIND_PREV_LTUPLE(tp, tu, f)	CIS_PARSER(CISP_CIS_GET_LTUPLE, tp,   \
753 						tu, FIND_PREV_LTUPLEF |       \
754 						(f & ~CIS_GET_LTUPLE_OPMASK))
755 #define	FIND_FIRST_LTUPLE(tp, tu, f)	FIND_LTUPLE_FWD(GET_FIRST_LTUPLE(tp,  \
756 								f), tu, f)
757 
758 
759 /*
760  * Card Services hooks and general nexus prototypes
761  */
762 int	 cs_init(void);
763 uint32_t cs_event(event_t, uint32_t, uint32_t);
764 int	 pcmcia_set_em_handler(int (*handler)(), caddr_t events,
765 	    int elen, uint32_t id, void **cs, void **ss);
766 
767 extern csfunction_t	*cs_socket_services;
768 
769 
770 #ifdef	__cplusplus
771 }
772 #endif
773 
774 #endif	/* _CS_PRIV_H */
775