cis.h revision c48c304592e7c2469d5b721291b1f57069f08d33
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 (the "License").
6 * You may not use this file except in compliance with the License.
7 *
8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 * or http://www.opensolaris.org/os/licensing.
10 * See the License for the specific language governing permissions
11 * and limitations under the License.
12 *
13 * When distributing Covered Code, include this CDDL HEADER in each
14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 * If applicable, add the following below this CDDL HEADER, with the
16 * fields enclosed by brackets "[]" replaced with your own identifying
17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 *
19 * CDDL HEADER END
20 */
21/*
22 * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
23 * Use is subject to license terms.
24 */
25
26#ifndef _CIS_H
27#define	_CIS_H
28
29/*
30 * This is the Card Services Card Information Structure (CIS) interpreter
31 *	header file.  CIS information in this file is based on the
32 *	Release 2.01 PCMCIA standard.
33 */
34
35
36#ifdef	__cplusplus
37extern "C" {
38#endif
39
40
41#if defined(DEBUG)
42#define	CIS_DEBUG
43#endif
44
45
46/*
47 * The CIS interpreter has a single entry point with a bunch of function
48 *	id numbers.
49 */
50#define	CISP_CIS_SETUP		0x01	/* setup CS address in CIS */
51#define	CISP_CIS_LIST_CREATE	0x02	/* create the CIS linked list */
52#define	CISP_CIS_LIST_DESTROY	0x03	/* destroy the CIS linked list */
53#define	CISP_CIS_GET_LTUPLE	0x04	/* get a tuple */
54#define	CISP_CIS_PARSE_TUPLE	0x05	/* parse a tuple */
55#define	CISP_CIS_CONV_DEVSPEED	0x06	/* convert devspeed to nS and back */
56#define	CISP_CIS_CONV_DEVSIZE	0x07	/* convert device size */
57
58/*
59 * Make the  calls to CardServices look like function calls.
60 */
61#define	CIS_CARD_SERVICES	(*cis_card_services)
62
63/*
64 * define the tuples that we recognize
65 *
66 * Layer 1 - Basic Compatability TUples
67 */
68#define	CISTPL_NULL		0x000	/* null tuple - ignore */
69#define	CISTPL_DEVICE		0x001	/* device information */
70#define	CISTPL_LONGLINK_CB	0x002	/* longlink to next tuple chain */
71#define	CISTPL_CONFIG_CB	0x004	/* configuration tuple */
72#define	CISTPL_CFTABLE_ENTRY_CB	0x005	/* configuration table entry */
73#define	CISTPL_LONGLINK_MFC	0x006	/* multi-function tuple */
74#define	CISTPL_BAR		0x007	/* Base Address Register definition */
75#define	CISTPL_CHECKSUM		0x010	/* checksum control */
76#define	CISTPL_LONGLINK_A	0x011	/* long-link to AM */
77#define	CISTPL_LONGLINK_C	0x012	/* long-link to CM */
78#define	CISTPL_LINKTARGET	0x013	/* link-target control */
79#define	CISTPL_NO_LINK		0x014	/* no-link control */
80#define	CISTPL_VERS_1		0x015	/* level 1 version information */
81#define	CISTPL_ALTSTR		0x016	/* alternate language string */
82#define	CISTPL_DEVICE_A		0x017	/* AM device information */
83#define	CISTPL_JEDEC_C		0x018	/* JEDEC programming info for CM */
84#define	CISTPL_JEDEC_A		0x019	/* JEDEC programming info for AM */
85#define	CISTPL_CONFIG		0x01a	/* configuration */
86#define	CISTPL_CFTABLE_ENTRY	0x01b	/* configuration-table-entry */
87#define	CISTPL_DEVICE_OC	0x01c	/* other op conditions CM device info */
88#define	CISTPL_DEVICE_OA	0x01d	/* other op conditions AM device info */
89#define	CISTPL_DEVICEGEO	0x01e	/* Common Memory device geometry */
90#define	CISTPL_DEVICEGEO_A	0x01f	/* Attribute Memory device geometry */
91#define	CISTPL_MANFID		0x020	/* manufacturer identification */
92#define	CISTPL_FUNCID		0x021	/* function identification */
93#define	CISTPL_FUNCE		0x022	/* function extension */
94
95/*
96 * Layer 2 - Data Recording Format Tuples
97 */
98#define	CISTPL_SWIL		0x023	/* software interleave */
99#define	CISTPL_VERS_2		0x040	/* level 2 version information */
100#define	CISTPL_FORMAT		0x041	/* Common Memory recording format */
101#define	CISTPL_GEOMETRY		0x042	/* geometry */
102#define	CISTPL_BYTEORDER	0x043	/* byte order */
103#define	CISTPL_DATE		0x044	/* card initialization date */
104#define	CISTPL_BATTERY		0x045	/* battery replacement date */
105#define	CISTPL_FORMAT_A		0x047	/* Attribute Memory recording format */
106
107/*
108 * Layer 3 - Data Organization Tuples
109 */
110#define	CISTPL_ORG		0x046	/* organization */
111
112/*
113 * Layer 4 - System Specific Standard Tuples
114 */
115#define	CISTPL_VEND_SPEC_80	0x080	/* vendor-specific 0x80 */
116#define	CISTPL_VEND_SPEC_81	0x081	/* vendor-specific 0x81 */
117#define	CISTPL_VEND_SPEC_82	0x082	/* vendor-specific 0x82 */
118#define	CISTPL_VEND_SPEC_83	0x083	/* vendor-specific 0x83 */
119#define	CISTPL_VEND_SPEC_84	0x084	/* vendor-specific 0x84 */
120#define	CISTPL_VEND_SPEC_85	0x085	/* vendor-specific 0x85 */
121#define	CISTPL_VEND_SPEC_86	0x086	/* vendor-specific 0x86 */
122#define	CISTPL_VEND_SPEC_87	0x087	/* vendor-specific 0x87 */
123#define	CISTPL_VEND_SPEC_88	0x088	/* vendor-specific 0x88 */
124#define	CISTPL_VEND_SPEC_89	0x089	/* vendor-specific 0x89 */
125#define	CISTPL_VEND_SPEC_8a	0x08a	/* vendor-specific 0x8a */
126#define	CISTPL_VEND_SPEC_8b	0x08b	/* vendor-specific 0x8b */
127#define	CISTPL_VEND_SPEC_8c	0x08c	/* vendor-specific 0x8c */
128#define	CISTPL_VEND_SPEC_8d	0x08d	/* vendor-specific 0x8d */
129#define	CISTPL_VEND_SPEC_8e	0x08e	/* vendor-specific 0x8e */
130#define	CISTPL_VEND_SPEC_8f	0x08f	/* vendor-specific 0x8f */
131#define	CISTPL_SPCL		0x090	/* special-purpose tuple */
132#define	CISTPL_END		0x0ff	/* end-of-list tuple */
133
134/*
135 * Macro to check if tuple is a vendor-specific tuple.
136 */
137#define	CISTPL_VENDSPEC_START	CISTPL_VEND_SPEC_80
138#define	CISTPL_VENDSPEC_END	CISTPL_VEND_SPEC_8f
139#define	CISTPL_IS_VENDOR_SPECIFIC(td)	(((td) >= CISTPL_VENDSPEC_START) &&   \
140						((td) <= CISTPL_VENDSPEC_END))
141
142/*
143 * The GetFirstTuple and GetNextTuple Card Services function calls use
144 *	the DesiredTuple member of the tuple_t structure to determine
145 *	while tuple type to return; since the CIS parser doesn't ever
146 *	return CISTPL_END tuples, we can never ask for those tuples,
147 *	so we overload this tuple code to mean that we want the
148 *	first (or next) tuple in the chain.
149 * XXX - If we ever do return CISTPL_END tuples, we'll have to
150 *	re-think this.
151 */
152#define	RETURN_FIRST_TUPLE	0x0ff	/* return first/next tuple */
153#define	RETURN_NEXT_TUPLE	0x0ff	/* return first/next tuple */
154
155/*
156 * types for data in CIS and pointers into PC card's CIS space
157 *
158 * The "size" member is used by the NEXT_CIS_ADDR macro so that
159 *	we don't run past the end of the mapped CIS address space.
160 */
161typedef uchar_t cisdata_t;
162
163typedef struct cisptr_t {
164    acc_handle_t	handle;	/* access handle of CIS space */
165    uint32_t		size;	/* size of mapped area */
166    uint32_t		offset;	/* byte offset into CIS space */
167	/* see flag definitions for cistpl_t structure */
168    uint32_t		flags;
169} cisptr_t;
170
171/*
172 * This is the maximum length that the data portion of a tuple can be.
173 *	We have to use this since the brain-damaged 2.01 PCMCIA spec
174 *	specifies that you can end a CIS chain by putting a CISTPL_END
175 *	in the link field of the last VALID tuple.
176 */
177#define	CIS_MAX_TUPLE_DATA_LEN	254
178
179/*
180 * This is the maximum size of the string used to describe the name
181 *	of the tuple.
182 */
183#define	CIS_MAX_TUPLE_NAME_LEN	40
184
185/*
186 * CIS_MAX_FUNCTIONS defines the maximum number of functions that can
187 *	exist on a card.
188 */
189#define	CIS_MAX_FUNCTIONS	8	/* max number of functions per card */
190
191/*
192 * Macros to manipulate addresses and data in various CIS spaces
193 *
194 * NEXT_CIS_ADDR(cisptr_t *) increments the offset to point to the
195 *	next data element in the CIS, based on what space the CIS
196 *	we are reading resides in.  If the resulting address would
197 *	be past the end of the mapped-in area, we return NULL,
198 *	otherwise the adjusted offset value is returned. Note that
199 *	this only works if the "size" member specifies the maximum
200 *	mapped in window size and an "offset" member value of zero
201 *	refers to the first byte of the window.
202 *
203 * GET_CIS_DATA(ptr) returns the data byte at the current CIS location.
204 *
205 * GET_CIS_ADDR(tp,ptr) returns the virtual address that was saved by a
206 *	call to STORE_CIS_ADDR.
207 *
208 * BAD_CIS_ADDR is a flag that should be returned by callers of NEXT_CIS_ADDR
209 *	if that macro returns NULL.  Note that this flag shares the same bit
210 *	field definitions as the tuple handler flags defined in cis_handlers.h
211 *	so check that file if you make any changes to these flags.
212 * XXX - not the best distribution of flags, I'm afraid
213 */
214#define	NEXT_CIS_ADDR(ptr)	\
215			(((ptr->flags&CISTPLF_AM_SPACE)?(ptr->offset += 2): \
216				(ptr->offset++)),	\
217				((ptr->offset > ptr->size)?(0):ptr->offset))
218#define	GET_CIS_DATA(ptr)	csx_Get8(ptr->handle, ptr->offset)
219#define	GET_CIS_ADDR(tp)	((cisdata_t *)(uintptr_t)(tp)->offset)
220#define	BAD_CIS_ADDR	0x080000000 /* read past end of mapped CIS error */
221
222/*
223 * CIS_MEM_ALLOC(len) is used to allocate memory for our local linked
224 *	CIS list; we use a macro so that the same code can be used in
225 *	the kernel as well as in user space
226 *
227 * CIS_MEM_FREE(ptr) - same comment as CIS_MEM_ALLOC
228 */
229#if !defined(_KERNEL)
230#ifdef	CISMALLOC_DEBUG
231#define	CIS_MEM_ALLOC(len)		cis_malloc((uint32_t)len)
232#define	CIS_MEM_FREE(ptr)		cis_free(ptr)
233#else
234#define	CIS_MEM_ALLOC(len)		malloc((uint32_t)len)
235#define	CIS_MEM_FREE(ptr)		free(ptr)
236#endif	/* CISMALLOC_DEBUG */
237#else
238#define	CIS_MEM_ALLOC(len)		cis_malloc((uint32_t)len)
239#define	CIS_MEM_FREE(ptr)		cis_free(ptr)
240#endif
241
242typedef struct cis_u_malloc_tag_t {
243	caddr_t		addr;
244	uint32_t	len;
245} cis_u_malloc_tag_t;
246
247/*
248 * We keep the tuples in a locally-maintained linked list.  This allows
249 *	us to return the tuple information at any time to a client for
250 *	those cards that make their CIS inaccessible once the card is
251 *	configured.
252 */
253typedef struct cistpl_t {
254	cisdata_t	type;	/* type of tuple */
255	cisdata_t	len;	/* length of tuple data */
256	cisdata_t	*data;	/* data in tuple */
257	union {
258		cisdata_t	*byte;	/* read pointer for GET_BYTE macros */
259		uint16_t	*sword;
260	}		read;
261	uint32_t	flags;	/* misc flags */
262	uint32_t	offset;	/* CIS address offset of start of tuple */
263	struct cistpl_t	*prev;	/* back pointer */
264	struct cistpl_t	*next;	/* forward pointer */
265} cistpl_t;
266
267/*
268 * Flags that are used in the cistpl_t and cisptr_t linked lists
269 */
270#define	CISTPLF_NOERROR		0x000000000 /* no error return from handler */
271#define	CISTPLF_UNKNOWN		0x000000001 /* unknown tuple */
272#define	CISTPLF_REGS		0x000000002 /* tuple contains registers */
273#define	CISTPLF_COPYOK		0x000000004 /* OK to copy tuple data */
274#define	CISTPLF_VALID		0x000000008 /* tuple is valid */
275#define	CISTPLF_GLOBAL_CIS	0x000000010 /* tuple from global CIS */
276#define	CISTPLF_MF_CIS		0x000000020 /* tuple from MF CIS chain */
277#define	CISTPLF_FROM_AM		0x000000040 /* tuple read from AM space */
278#define	CISTPLF_FROM_CM		0x000000080 /* tuple read from CM space */
279#define	CISTPLF_IGNORE_TUPLE	0x000000100 /* ignore this tuple */
280#define	CISTPLF_VENDOR_SPECIFIC	0x000000200 /* vnedor-specific tuple */
281#define	CISTPLF_LINK_INVALID	0x001000000 /* tuple link is invalid */
282#define	CISTPLF_PARAMS_INVALID	0x002000000 /* tuple body is invalid */
283#define	CISTPLF_AM_SPACE	0x010000000 /* this tuple is in AM space */
284#define	CISTPLF_CM_SPACE	0x020000000 /* this tuple is in CM space */
285#define	CISTPLF_LM_SPACE	0x040000000 /* this tuple is in local memory */
286#define	CISTPLF_MEM_ERR		0x080000000 /* GET_BYTE macros memory error */
287
288/*
289 * Some convienience macros
290 */
291#define	CISTPLF_SPACE_MASK	(CISTPLF_AM_SPACE | CISTPLF_CM_SPACE |	\
292							CISTPLF_LM_SPACE)
293#define	CISTPLF_FROM_MASK	(CISTPLF_FROM_AM | CISTPLF_FROM_CM)
294
295/*
296 * Values used internally on calls to cis_get_ltuple.
297 *
298 * The GET_XXX_LTUPLEF and FIND_XXX_XXX values are mutually exclusive,
299 *	i.e. cis_get_ltuple can only do one of these operations per call.
300 *
301 * The other flags are bit flags and they share the flags parameter.
302 *
303 *    CIS_GET_LTUPLE_IGNORE - return tuples with CISTPLF_IGNORE_TUPLE
304 *				set in cistpl_t->flags
305 */
306#define	GET_FIRST_LTUPLEF	0x000000001 /* return first tuple in list */
307#define	GET_LAST_LTUPLEF	0x000000002 /* return last tuple in list */
308#define	FIND_LTUPLE_FWDF	0x000000003 /* find tuple, fwd search from tp */
309#define	FIND_LTUPLE_BACKF	0x000000004 /* find tuple, backward from tp */
310#define	FIND_NEXT_LTUPLEF	0x000000005 /* find tuple, fwd from tp+1 */
311#define	FIND_PREV_LTUPLEF	0x000000006 /* find tuple, backward from tp-1 */
312#define	GET_NEXT_LTUPLEF	0x000000007 /* return next tuple in list */
313#define	GET_PREV_LTUPLEF	0x000000008 /* return prev tuple in list */
314#define	CIS_GET_LTUPLE_OPMASK	0x00000ffff /* mask for operation values */
315#define	CIS_GET_LTUPLE_IGNORE	0x000010000 /* return ignored tuples */
316
317/*
318 * macros for getting various data types out of a tuple
319 * Note that due to the modem tuple using a few big-endian values,
320 * we have to support both big and little endian macros
321 *
322 * Common Memory Specific macros - these will also work for tuples in
323 *	local memory
324 */
325#define	GET_CM_BYTE(tp)	(((size_t)(tp)->len >= \
326				((uintptr_t)(tp)->read.byte - \
327					(uintptr_t)(tp)->data)) ? \
328			 *(tp)->read.byte++ : ((tp)->flags |= CISTPLF_MEM_ERR))
329#define	GET_CM_LEN(tp)	((size_t)(tp)->len - \
330				((uintptr_t)(tp)->read.byte - \
331				(uintptr_t)(tp)->data))
332
333/* Attribute Memory Specific macros */
334#define	GET_AM_BYTE(tp)	(((size_t)(tp)->len >= \
335				(((uintptr_t)(tp)->read.byte - \
336					(uintptr_t)(tp)->data))>>1) ? \
337			 *(cisdata_t *)(tp)->read.sword++ : \
338				((tp)->flags |= CISTPLF_MEM_ERR))
339#define	GET_AM_LEN(tp)	((size_t)(tp)->len - (((uintptr_t)(tp)->read.byte - \
340				(uintptr_t)(tp)->data) >> 1))
341
342/* generic macros */
343#define	RESET_TP(tp)	(tp)->read.byte = (tp)->data
344#define	LOOK_BYTE(tp)	*(tp)->read.byte
345#define	GET_BYTE_ADDR(tp) (tp)->read.byte
346
347#define	GET_BYTE(tp)	(((tp)->flags & CISTPLF_AM_SPACE) ? \
348				GET_AM_BYTE(tp) : GET_CM_BYTE(tp))
349#define	GET_SHORT(tp)		cis_get_short(tp)
350#define	GET_BE_SHORT(tp)	cis_get_be_short(tp)
351#define	GET_INT24(tp)		cis_get_int24(tp)
352#define	GET_LONG(tp)		cis_get_long(tp)
353#define	GET_LEN(tp)	(((tp)->flags & CISTPLF_AM_SPACE) ? \
354				GET_AM_LEN(tp) : GET_CM_LEN(tp))
355
356/*
357 * cistpl_ignore_list_t - this structure describes tuples in the global
358 *				CIS list that we want to ignore if they
359 *				also show up in a function-specific CIS.
360 */
361typedef struct cistpl_ignore_list_t {
362	cisdata_t	type;
363} cistpl_ignore_list_t;
364
365#ifdef	__cplusplus
366}
367#endif
368
369#endif	/* _CIS_H */
370