1/*
2 *	PCMCIA card structures and defines.
3 *	These defines relate to the user level
4 *	structures and card information, not
5 *	driver/process communication.
6 *-------------------------------------------------------------------------
7 */
8/*-
9 * SPDX-License-Identifier: BSD-3-Clause
10 *
11 * Copyright (c) 1995 Andrew McRae.  All rights reserved.
12 *
13 * Redistribution and use in source and binary forms, with or without
14 * modification, are permitted provided that the following conditions
15 * are met:
16 * 1. Redistributions of source code must retain the above copyright
17 *    notice, this list of conditions and the following disclaimer.
18 * 2. Redistributions in binary form must reproduce the above copyright
19 *    notice, this list of conditions and the following disclaimer in the
20 *    documentation and/or other materials provided with the distribution.
21 * 3. The name of the author may not be used to endorse or promote products
22 *    derived from this software without specific prior written permission.
23 *
24 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
25 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
26 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
27 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
28 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
29 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
30 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
31 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
32 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
33 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
34 *
35 * $FreeBSD$
36 *
37 */
38
39/*
40 *	Card Information Structure tuples definitions
41 *	The structure of a tuple is basically:
42 *
43 *		Tuple_code
44 *		Tuple_data_length
45 *		Tuple_data ...
46 *
47 *	Tuples are contiguous in attribute memory, and
48 *	are terminated with a 0xFF for the tuple code or
49 *	the tuple length.
50 */
51#ifndef	_PCCARD_CIS_H
52#define	_PCCARD_CIS_H
53
54#define	CIS_NULL	0	/* Empty tuple */
55#define	CIS_MEM_COMMON	0x01	/* Device descriptor, common memory */
56#define	CIS_LONGLINK_CB	0x02	/* Long link to next chain for CardBus */
57#define	CIS_INDIRECT	0x03	/* Indirect access */
58#define	CIS_CONF_MAP_CB	0x04	/* Card Configuration map for CardBus */
59#define	CIS_CONFIG_CB	0x05	/* Card Configuration entry for CardBus */
60#define	CIS_LONGLINK_MFC	0x06	/* Long link to next chain for Multi function card */
61#define	CIS_BAR		0x07	/* Base address register for CardBus */
62#define	CIS_CHECKSUM	0x10	/* Checksum */
63#define	CIS_LONGLINK_A	0x11	/* Link to Attribute memory */
64#define	CIS_LONGLINK_C	0x12	/* Link to Common memory */
65#define	CIS_LINKTARGET	0x13	/* Linked tuple must start with this. */
66#define	CIS_NOLINK	0x14	/* Assume no common memory link tuple. */
67#define	CIS_INFO_V1	0x15	/* Card info data, version 1 */
68#define	CIS_ALTSTR	0x16	/* Alternate language string tuple. */
69#define	CIS_MEM_ATTR	0x17	/* Device descriptor, Attribute memory */
70#define	CIS_JEDEC_C	0x18	/* JEDEC descr for common memory */
71#define	CIS_JEDEC_A	0x19	/* JEDEC descr for Attribute memory */
72#define	CIS_CONF_MAP	0x1A	/* Card Configuration map */
73#define	CIS_CONFIG	0x1B	/* Card Configuration entry */
74#define	CIS_DEVICE_OC	0x1C	/* Other conditions info - common memory */
75#define	CIS_DEVICE_OA	0x1D	/* Other conditions info - attribute memory */
76#define	CIS_DEVICEGEO	0x1E	/* Geometry info for common memory */
77#define	CIS_DEVICEGEO_A	0x1F	/* Geometry info for attribute memory */
78#define	CIS_MANUF_ID	0x20	/* Card manufacturer's ID */
79#define	CIS_FUNC_ID	0x21	/* Function of card */
80#define	CIS_FUNC_EXT	0x22	/* Functional extension */
81/*
82 *	Data recording format tuples.
83 */
84#define	CIS_SW_INTERLV	0x23	/* Software interleave */
85#define	CIS_VERS_2	0x40	/* Card info data, version 2 */
86#define	CIS_FORMAT	0x41	/* Memory card format */
87#define	CIS_GEOMETRY	0x42	/* Disk sector layout */
88#define	CIS_BYTEORDER	0x43	/* Byte order of memory data */
89#define	CIS_DATE	0x44	/* Format data/time */
90#define	CIS_BATTERY	0x45	/* Battery replacement date */
91#define	CIS_ORG		0x46	/* Organization of data on card */
92#define	CIS_END		0xFF	/* Termination code */
93
94/*
95 *	Internal tuple definitions.
96 *
97 *	Device descriptor for memory (CIS_MEM_ATTR, CIS_MEM_COMMON)
98 *
99 *	Byte 1:
100 *		0xF0 - Device type
101 *		0x08 - Write protect switch
102 *		0x07 - Speed index (7 = extended speed)
103 *	Byte 2: Extended speed (bit 7 = another follows)
104 *	Byte 3: (ignored if 0xFF)
105 *		0xF8 - Addressable units (0's numbered)
106 *		0x07 - Unit size
107 *	The three byte sequence is repeated until byte 1 == 0xFF
108 */
109
110/*
111 *	CIS_INFO_V1 - Version one card information.
112 *
113 *	Byte 1:   Major version number (should be 4)
114 *	Byte 2:   Minor version number (should be 1)
115 *	Byte 3-x: Null terminated Manufacturer name
116 *	Byte x-x: Null terminated product name
117 *	Byte x-x: Null terminated additional info 1
118 *	Byte x-x: Null terminated additional info 2
119 *	Byte x:   final byte must be 0xFF
120 */
121#define	CIS_MAJOR_VERSION	4
122#define	CIS_MINOR_VERSION	1
123
124/*
125 *	CIS_CONF_MAP - Provides an address map for the card
126 *			configuration register(s), and a max value
127 *			identifying the last configuration tuple.
128 *
129 *	Byte 1:
130 *		0x3C - Register mask size (0's numbered)
131 *		0x03 - Register address size (0's numbered)
132 *	Byte 2:
133 *		0x3F - ID of last configuration.
134 *	Byte 3-n: Card register address (size is determined by
135 *			the value in byte 1).
136 *	Byte x-x: Card register masks (size determined by the
137 *			value in byte 1)
138 */
139
140/*
141 *	CIS_CONFIG - Card configuration entry. Multiple tuples may
142 *		exist of this type, each one describing a different
143 *		memory/I-O map that can be used to address this card.
144 *		The first one usually has extra config data about the
145 *		card features. The final configuration tuple number
146 *		is stored in the CIS_CONF_MAP tuple so that the complete
147 *		list can be scanned.
148 *
149 *	Byte 1:
150 *		0x3F - Configuration ID number.
151 *		0x40 - Indicates this is the default configuration
152 *		0x80 - Interface byte exists
153 *	Byte 2: (exists only if bit 0x80 set in byte 1)
154 *		0x0F - Interface type value
155 *		0x10 - Battery voltage detect
156 *		0x20 - Write protect active
157 *		0x40 - RdyBsy active bit
158 *		0x80 - Wait signal required
159 *	Byte 3: (features byte)
160 *		0x03 - Power sub-tuple(s) exists
161 *		0x04 - Timing sub-tuple exists
162 *		0x08 - I/O space sub-tuple exists
163 *		0x10 - IRQ sub-tuple exists
164 *		0x60 - Memory space sub-tuple(s) exists
165 *		0x80 - Miscellaneous sub-tuple exists
166 */
167#define	CIS_FEAT_POWER(x)	((x) & 0x3)
168#define	CIS_FEAT_TIMING		0x4
169#define	CIS_FEAT_I_O		0x8
170#define	CIS_FEAT_IRQ		0x10
171#define	CIS_FEAT_MEMORY(x)	(((x) >> 5) & 0x3)
172#define	CIS_FEAT_MISC		0x80
173/*
174 *	Depending on whether the "features" byte has the corresponding
175 *	bit set, a number of sub-tuples follow. Some features have
176 *	more than one sub-tuple, depending on the count within the
177 *	features byte (e.g power feature bits allows up to 3 sub-tuples).
178 *
179 *	Power structure sub-tuple:
180 *	Byte 1: parameter exists - Each bit (starting from 0x01) indicates
181 *		that a parameter block exists - up to 8 parameter blocks
182 *		are therefore allowed).
183 *	Byte 2:
184 *		0x7F - Parameter data
185 *		0x80 - More bytes follow (0 = last byte)
186 *
187 *	Timing sub-tuple
188 *	Byte 1:
189 *		0x03 - Wait scale
190 *		0x1C - Ready scale
191 *		0xE0 - Reserved scale
192 *	Byte 2: extended wait scale if wait scale != 3
193 *	Byte 3: extended ready scale if ready scale != 7
194 *	Byte 4: extended reserved scale if reserved scale != 7
195 */
196#define	CIS_WAIT_SCALE(x)	((x) & 0x3)
197#define	CIS_READY_SCALE(x)	(((x)>>2) & 0x7)
198#define	CIS_RESERVED_SCALE(x)	(((x)>>5) & 0x7)
199/*
200 *	I/O mapping sub-tuple:
201 *	Byte 1:
202 *		0x1F - I/O address lines
203 *		0x20 - 8 bit I/O
204 *		0x40 - 16 bit I/O
205 *		0x80 - I/O range??
206 *	Byte 2:
207 *		0x0F - 0's numbered count of I/O block subtuples following.
208 *		0x30 - Size of I/O address value within subtuple. Values
209 *			can be 1 (8 bits), 2 (16 bits) or 3 (32 bits).
210 *		0xC0 - Size of I/O port block size value within subtuple.
211 *	I/O block sub-tuples, count from previous block:
212 *		Byte 1-n: I/O start address
213 *		Byte x-x: Size of I/O port block.
214 */
215#define	CIS_IO_ADDR(x)	((x) & 0x1F)
216#define	CIS_IO_8BIT	0x20
217#define	CIS_IO_16BIT	0x40
218#define	CIS_IO_RANGE	0x80
219#define	CIS_IO_BLKS(x)	((x) & 0xF)
220#define	CIS_IO_ADSZ(x)	(((x)>>4) & 3)
221#define	CIS_IO_BLKSZ(x)	(((x)>>6) & 3)
222/*
223 *	IRQ sub-tuple.
224 *	Byte 1:
225 *		0x0F - Irq number or mask bits
226 *		0x10 - IRQ mask values exist
227 *		0x20 - Level triggered interrupts
228 *		0x40 - Pulse triggered requests
229 *		0x80 - Interrupt sharing.
230 *	Byte 2-3: Interrupt req mask (if 0x10 of byte 1 set).
231 */
232#define	CIS_IRQ_IRQN(x)		((x) & 0xF)
233#define	CIS_IRQ_MASK		0x10
234#define	CIS_IRQ_LEVEL		0x20
235#define	CIS_IRQ_PULSE		0x40
236#define	CIS_IRQ_SHARING		0x80
237/*
238 *	Memory block subtuple. Depending on the features bits, the
239 *	following subtuples are used:
240 *	mem features == 1
241 *		Byte 1-2: upper 16 bits of 24 bit memory length.
242 *	mem features == 2
243 *		Byte 1-2: upper 16 bits of 24 bit memory length.
244 *		Byte 3-4: upper 16 bits of 24 bit memory address.
245 *	mem_features == 3
246 *		Byte 1:
247 *			0x07 - 0's numbered count of memory sub-tuples
248 *			0x18 - Memory length size (1's numbered)
249 *			0x60 - Memory address size (1's numbered)
250 *			0x80 - Host address value exists
251 *		Memory sub-tuples follow:
252 *			Byte 1-n: Memory length value (<< 8)
253 *			Byte n-n: Memory card address value (<< 8)
254 *			Byte n-n: Memory host address value (<< 8)
255 */
256#define	CIS_FEAT_MEM_NONE	0	/* No memory config */
257#define	CIS_FEAT_MEM_LEN	1	/* Just length */
258#define	CIS_FEAT_MEM_ADDR	2	/* Card address & length */
259#define	CIS_FEAT_MEM_WIN	3	/* Multiple windows */
260
261#define	CIS_MEM_WINS(x)		(((x) & 0x7)+1)
262#define	CIS_MEM_LENSZ(x)	(((x) >> 3) & 0x3)
263#define	CIS_MEM_ADDRSZ(x)	(((x) >> 5) & 0x3)
264#define	CIS_MEM_HOST		0x80
265/*
266 *	Misc sub-tuple.
267 *	Byte 1:
268 *	Byte 2:
269 *		0x0c - DMA Request Signal
270 *                      00 - not support DMA
271 *                      01 - use SPKR# line
272 *                      10 - use IOIS16# line
273 *                      11 - use INPACK# line
274 *		0x10 - DMA Width
275 *                      0 - 8 bit DMA
276 *                      1 - 16 bit DMA
277 */
278#define	CIS_MISC_DMA_WIDTH(x)	(((x) & 0x10) >> 4)
279#define	CIS_MISC_DMA_REQ(x)	(((x) >> 2) & 0x3)
280
281#endif	/* _PCCARD_CIS_H */
282