xref: /freebsd/sys/dev/bhnd/bhnd_match.h (revision 5ca8e32633c4ffbbcd6762e5888b6a4ba0708c6c)
1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause
3  *
4  * Copyright (c) 2015-2016 Landon Fuller <landon@landonf.org>
5  * All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer,
12  *    without modification.
13  * 2. Redistributions in binary form must reproduce at minimum a disclaimer
14  *    similar to the "NO WARRANTY" disclaimer below ("Disclaimer") and any
15  *    redistribution must be conditioned upon including a substantially
16  *    similar Disclaimer requirement for further binary redistribution.
17  *
18  * NO WARRANTY
19  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
21  * LIMITED TO, THE IMPLIED WARRANTIES OF NONINFRINGEMENT, MERCHANTIBILITY
22  * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
23  * THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY,
24  * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
27  * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
29  * THE POSSIBILITY OF SUCH DAMAGES.
30  *
31  */
32 
33 #ifndef _BHND_BHND_MATCH_H_
34 #define _BHND_BHND_MATCH_H_
35 
36 #include "bhnd_types.h"
37 
38 /**
39  * A hardware revision match descriptor.
40  */
41 struct bhnd_hwrev_match {
42 	uint16_t	start;	/**< first revision, or BHND_HWREV_INVALID
43 					     to match on any revision. */
44 	uint16_t	end;	/**< last revision, or BHND_HWREV_INVALID
45 					     to match on any revision. */
46 };
47 
48 /* Copy match field @p _name from @p _src */
49 #define	_BHND_COPY_MATCH_FIELD(_src, _name)	\
50 	.m.match._name = (_src)->m.match._name,	\
51 	._name = (_src)->_name
52 
53 /* Set match field @p _name with @p _value */
54 #define	_BHND_SET_MATCH_FIELD(_name, _value)	\
55 	.m.match._name = 1, ._name = _value
56 
57 /**
58  * Wildcard hardware revision match descriptor.
59  */
60 #define	BHND_HWREV_ANY		{ BHND_HWREV_INVALID, BHND_HWREV_INVALID }
61 #define	BHND_HWREV_IS_ANY(_m)	\
62 	((_m)->start == BHND_HWREV_INVALID && (_m)->end == BHND_HWREV_INVALID)
63 
64 /**
65  * Hardware revision match descriptor for an inclusive range.
66  *
67  * @param _start The first applicable hardware revision.
68  * @param _end The last applicable hardware revision, or BHND_HWREV_INVALID
69  * to match on any revision.
70  */
71 #define	BHND_HWREV_RANGE(_start, _end)	{ _start, _end }
72 
73 /**
74  * Hardware revision match descriptor for a single revision.
75  *
76  * @param _hwrev The hardware revision to match on.
77  */
78 #define	BHND_HWREV_EQ(_hwrev)	BHND_HWREV_RANGE(_hwrev, _hwrev)
79 
80 /**
81  * Hardware revision match descriptor for any revision equal to or greater
82  * than @p _start.
83  *
84  * @param _start The first hardware revision to match on.
85  */
86 #define	BHND_HWREV_GTE(_start)	BHND_HWREV_RANGE(_start, BHND_HWREV_INVALID)
87 
88 /**
89  * Hardware revision match descriptor for any revision equal to or less
90  * than @p _end.
91  *
92  * @param _end The last hardware revision to match on.
93  */
94 #define	BHND_HWREV_LTE(_end)	BHND_HWREV_RANGE(0, _end)
95 
96 /**
97  * A bhnd(4) core match descriptor.
98  */
99 struct bhnd_core_match {
100 	/** Select fields to be matched */
101 	union {
102 		uint8_t match_flags;
103 		struct {
104 			uint8_t
105 			    core_vendor:1,
106 			    core_id:1,
107 			    core_rev:1,
108 			    core_class:1,
109 			    core_idx:1,
110 			    core_unit:1,
111 			    flags_unused:2;
112 		} match;
113 	} m;
114 
115 	uint16_t		core_vendor;	/**< required JEP106 device vendor */
116 	uint16_t		core_id;	/**< required core ID */
117 	struct bhnd_hwrev_match	core_rev;	/**< matching core revisions. */
118 	bhnd_devclass_t		core_class;	/**< required bhnd class */
119 	u_int			core_idx;	/**< required core index */
120 	int			core_unit;	/**< required core unit */
121 };
122 
123 #define	_BHND_CORE_MATCH_COPY(_src)			\
124 	_BHND_COPY_MATCH_FIELD(_src, core_vendor),	\
125 	_BHND_COPY_MATCH_FIELD(_src, core_id),		\
126 	_BHND_COPY_MATCH_FIELD(_src, core_rev),		\
127 	_BHND_COPY_MATCH_FIELD(_src, core_class),	\
128 	_BHND_COPY_MATCH_FIELD(_src, core_idx),		\
129 	_BHND_COPY_MATCH_FIELD(_src, core_unit)		\
130 
131 #define	BHND_MATCH_CORE_VENDOR(_v)	_BHND_SET_MATCH_FIELD(core_vendor, _v)
132 #define	BHND_MATCH_CORE_ID(_id)		_BHND_SET_MATCH_FIELD(core_id, _id)
133 #define	BHND_MATCH_CORE_REV(_rev)	_BHND_SET_MATCH_FIELD(core_rev,	\
134 					    BHND_ ## _rev)
135 #define	BHND_MATCH_CORE_CLASS(_cls)	_BHND_SET_MATCH_FIELD(core_class, _cls)
136 #define	BHND_MATCH_CORE_IDX(_idx)	_BHND_SET_MATCH_FIELD(core_idx, _idx)
137 #define	BHND_MATCH_CORE_UNIT(_unit)	_BHND_SET_MATCH_FIELD(core_unit, _unit)
138 
139 /**
140  * Match against the given @p _vendor and @p _id,
141  */
142 #define	BHND_MATCH_CORE(_vendor, _id)		\
143 	BHND_MATCH_CORE_VENDOR(_vendor),	\
144 	BHND_MATCH_CORE_ID(_id)
145 
146 /**
147  * A bhnd(4) chip match descriptor.
148  */
149 struct bhnd_chip_match {
150 	/** Select fields to be matched */
151 	union {
152 		uint8_t match_flags;
153 		struct {
154 			uint8_t
155 			    chip_id:1,
156 			    chip_rev:1,
157 			    chip_pkg:1,
158 			    chip_type:1,
159 			    flags_unused:4;
160 		} match;
161 
162 	} m;
163 
164 	uint16_t		chip_id;	/**< required chip id */
165 	struct bhnd_hwrev_match	chip_rev;	/**< matching chip revisions */
166 	uint8_t			chip_pkg;	/**< required package */
167 	uint8_t			chip_type;	/**< required chip type (BHND_CHIPTYPE_*) */
168 };
169 
170 #define	_BHND_CHIP_MATCH_COPY(_src)		\
171 	_BHND_COPY_MATCH_FIELD(_src, chip_id),	\
172 	_BHND_COPY_MATCH_FIELD(_src, chip_rev),	\
173 	_BHND_COPY_MATCH_FIELD(_src, chip_pkg),	\
174 	_BHND_COPY_MATCH_FIELD(_src, chip_type),\
175 
176 /** Set the required chip ID within a bhnd match descriptor */
177 #define	BHND_MATCH_CHIP_ID(_cid)	_BHND_SET_MATCH_FIELD(chip_id,	\
178 					    BHND_CHIPID_ ## _cid)
179 
180 /** Set the required chip revision range within a bhnd match descriptor */
181 #define	BHND_MATCH_CHIP_REV(_rev)	_BHND_SET_MATCH_FIELD(chip_rev,	\
182 					    BHND_ ## _rev)
183 
184 /** Set the required package ID within a bhnd match descriptor */
185 #define	BHND_MATCH_CHIP_PKG(_pkg)	_BHND_SET_MATCH_FIELD(chip_pkg,	\
186 					    BHND_PKGID_ ## _pkg)
187 
188 /** Set the required chip type within a bhnd match descriptor */
189 #define	BHND_MATCH_CHIP_TYPE(_type)	_BHND_SET_MATCH_FIELD(chip_type,	\
190 					    BHND_CHIPTYPE_ ## _type)
191 
192 /** Set the required chip and package ID within a bhnd match descriptor */
193 #define	BHND_MATCH_CHIP_IP(_cid, _pkg)	\
194     BHND_MATCH_CHIP_ID(_cid), BHND_MATCH_CHIP_PKG(_pkg)
195 
196 /** Set the required chip ID, package ID, and revision within a bhnd_device_match
197  *  instance */
198 #define	BHND_MATCH_CHIP_IPR(_cid, _pkg, _rev)	\
199     BHND_MATCH_CHIP_ID(_cid),			\
200     BHND_MATCH_CHIP_PKG(_pkg),			\
201     BHND_MATCH_CHIP_REV(_rev)
202 
203 /** Set the required chip ID and revision within a bhnd_device_match
204  *  instance */
205 #define	BHND_MATCH_CHIP_IR(_cid, _rev)	\
206     BHND_MATCH_CHIP_ID(_cid), BHND_MATCH_CHIP_REV(_rev)
207 
208 /**
209  * A bhnd(4) board match descriptor.
210  */
211 struct bhnd_board_match {
212 	/** Select fields to be matched */
213 	union {
214 		uint8_t match_flags;
215 		struct {
216 			uint8_t
217 			    board_vendor:1,
218 			    board_type:1,
219 			    board_devid:1,
220 			    board_rev:1,
221 			    board_srom_rev:1,
222 			    flags_unused:3;
223 		} match;
224 	} m;
225 
226 	uint16_t		board_vendor;	/**< required board vendor */
227 	uint16_t		board_type;	/**< required board type */
228 	uint16_t		board_devid;	/**< required board devid */
229 	struct bhnd_hwrev_match	board_rev;	/**< matching board revisions */
230 	struct bhnd_hwrev_match	board_srom_rev;	/**< matching board srom revisions */
231 };
232 
233 #define	_BHND_BOARD_MATCH_COPY(_src)			\
234 	_BHND_COPY_MATCH_FIELD(_src, board_vendor),	\
235 	_BHND_COPY_MATCH_FIELD(_src, board_type),	\
236 	_BHND_COPY_MATCH_FIELD(_src, board_devid),	\
237 	_BHND_COPY_MATCH_FIELD(_src, board_rev),	\
238 	_BHND_COPY_MATCH_FIELD(_src, board_srom_rev)
239 
240 /** Set the required board vendor within a bhnd match descriptor */
241 #define	BHND_MATCH_BOARD_VENDOR(_v)	_BHND_SET_MATCH_FIELD(board_vendor, _v)
242 
243 /** Set the required board type within a bhnd match descriptor */
244 #define	BHND_MATCH_BOARD_TYPE(_type)	_BHND_SET_MATCH_FIELD(board_type, \
245 					    BHND_BOARD_ ## _type)
246 
247 /** Set the required board devid within a bhnd match descriptor */
248 #define	BHND_MATCH_BOARD_DEVID(_devid)	_BHND_SET_MATCH_FIELD(board_devid, \
249 					    (_devid))
250 
251 /** Set the required SROM revision range within a bhnd match descriptor */
252 #define	BHND_MATCH_SROMREV(_rev)	_BHND_SET_MATCH_FIELD(board_srom_rev, \
253 					    BHND_HWREV_ ## _rev)
254 
255 /** Set the required board revision range within a bhnd match descriptor */
256 #define	BHND_MATCH_BOARD_REV(_rev)	_BHND_SET_MATCH_FIELD(board_rev, \
257 					    BHND_ ## _rev)
258 
259 /** Set the required board vendor and type within a bhnd match descriptor */
260 #define	BHND_MATCH_BOARD(_vend, _type)	\
261 	BHND_MATCH_BOARD_VENDOR(_vend), BHND_MATCH_BOARD_TYPE(_type)
262 
263 /**
264  * A bhnd(4) device match descriptor.
265  *
266  * @warning Matching on board attributes relies on NVRAM access, and will
267  * fail if a valid NVRAM device cannot be found, or is not yet attached.
268  */
269 struct bhnd_device_match {
270 	/** Select fields to be matched */
271 	union {
272 		uint32_t match_flags;
273 		struct {
274 			uint32_t
275 			core_vendor:1,
276 			core_id:1,
277 			core_rev:1,
278 			core_class:1,
279 			core_idx:1,
280 			core_unit:1,
281 			chip_id:1,
282 			chip_rev:1,
283 			chip_pkg:1,
284 			chip_type:1,
285 			board_vendor:1,
286 			board_type:1,
287 			board_devid:1,
288 			board_rev:1,
289 			board_srom_rev:1,
290 			flags_unused:15;
291 		} match;
292 	} m;
293 
294 	uint16_t		core_vendor;	/**< required JEP106 device vendor */
295 	uint16_t		core_id;	/**< required core ID */
296 	struct bhnd_hwrev_match	core_rev;	/**< matching core revisions. */
297 	bhnd_devclass_t		core_class;	/**< required bhnd class */
298 	u_int			core_idx;	/**< required core index */
299 	int			core_unit;	/**< required core unit */
300 
301 	uint16_t		chip_id;	/**< required chip id */
302 	struct bhnd_hwrev_match	chip_rev;	/**< matching chip revisions */
303 	uint8_t			chip_pkg;	/**< required package */
304 	uint8_t			chip_type;	/**< required chip type (BHND_CHIPTYPE_*) */
305 
306 	uint16_t		board_vendor;	/**< required board vendor */
307 	uint16_t		board_type;	/**< required board type */
308 	uint16_t		board_devid;	/**< required board devid */
309 	struct bhnd_hwrev_match	board_rev;	/**< matching board revisions */
310 	struct bhnd_hwrev_match	board_srom_rev;	/**< matching board srom revisions */
311 };
312 
313 /** Define a wildcard match requirement (matches on any device). */
314 #define	BHND_MATCH_ANY		.m.match_flags = 0
315 #define	BHND_MATCH_IS_ANY(_m)	\
316 	((_m)->m.match_flags == 0)
317 
318 #endif /* _BHND_BHND_MATCH_H_ */
319