xref: /freebsd/sys/dev/firewire/iec13213.h (revision 42249ef2)
1 /*-
2  * SPDX-License-Identifier: BSD-4-Clause
3  *
4  * Copyright (c) 2003 Hidetoshi Shimokawa
5  * Copyright (c) 1998-2002 Katsushi Kobayashi and Hidetoshi Shimokawa
6  * All rights reserved.
7  *
8  * Redistribution and use in source and binary forms, with or without
9  * modification, are permitted provided that the following conditions
10  * are met:
11  * 1. Redistributions of source code must retain the above copyright
12  *    notice, this list of conditions and the following disclaimer.
13  * 2. Redistributions in binary form must reproduce the above copyright
14  *    notice, this list of conditions and the following disclaimer in the
15  *    documentation and/or other materials provided with the distribution.
16  * 3. All advertising materials mentioning features or use of this software
17  *    must display the acknowledgement as bellow:
18  *
19  *    This product includes software developed by K. Kobayashi and H. Shimokawa
20  *
21  * 4. 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
26  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
27  * DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
28  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
29  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
30  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
31  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
32  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
33  * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
34  * POSSIBILITY OF SUCH DAMAGE.
35  *
36  * $FreeBSD$
37  *
38  */
39 
40 #define	STATE_CLEAR	0x0000
41 #define	STATE_SET	0x0004
42 #define	NODE_IDS	0x0008
43 #define	RESET_START	0x000c
44 #define	SPLIT_TIMEOUT_HI	0x0018
45 #define	SPLIT_TIMEOUT_LO	0x001c
46 #define	CYCLE_TIME	0x0200
47 #define	BUS_TIME	0x0204
48 #define	BUSY_TIMEOUT	0x0210
49 #define	PRIORITY_BUDGET 0x0218
50 #define	BUS_MGR_ID	0x021c
51 #define	BANDWIDTH_AV	0x0220
52 #define	CHANNELS_AV_HI	0x0224
53 #define	CHANNELS_AV_LO	0x0228
54 #define	IP_CHANNELS	0x0234
55 
56 #define	CONF_ROM	0x0400
57 
58 #define	TOPO_MAP	0x1000
59 #define	SPED_MAP	0x2000
60 
61 #define CSRTYPE_SHIFT	6
62 #define CSRTYPE_MASK	(3 << CSRTYPE_SHIFT)
63 #define CSRTYPE_I	(0 << CSRTYPE_SHIFT) /* Immediate */
64 #define CSRTYPE_C	(1 << CSRTYPE_SHIFT) /* CSR offset */
65 #define CSRTYPE_L	(2 << CSRTYPE_SHIFT) /* Leaf */
66 #define CSRTYPE_D	(3 << CSRTYPE_SHIFT) /* Directory */
67 
68 /*
69  * CSR keys
70  * 00 - 2F: defined by CSR architecture standards.
71  * 30 - 37: defined by BUS starndards
72  * 38 - 3F: defined by Vendor/Specifier
73  */
74 #define CSRKEY_MASK	0x3f
75 #define CSRKEY_DESC	0x01 /* Descriptor */
76 #define CSRKEY_BDINFO	0x02 /* Bus_Dependent_Info */
77 #define CSRKEY_VENDOR	0x03 /* Vendor */
78 #define CSRKEY_HW	0x04 /* Hardware_Version */
79 #define CSRKEY_MODULE	0x07 /* Module */
80 #define CSRKEY_NCAP	0x0c /* Node_Capabilities */
81 #define CSRKEY_EUI64	0x0d /* EUI_64 */
82 #define CSRKEY_UNIT	0x11 /* Unit */
83 #define CSRKEY_SPEC	0x12 /* Specifier_ID */
84 #define CSRKEY_VER	0x13 /* Version */
85 #define CSRKEY_DINFO	0x14 /* Dependent_Info */
86 #define CSRKEY_ULOC	0x15 /* Unit_Location */
87 #define CSRKEY_MODEL	0x17 /* Model */
88 #define CSRKEY_INST	0x18 /* Instance */
89 #define CSRKEY_KEYW	0x19 /* Keyword */
90 #define CSRKEY_FEAT	0x1a /* Feature */
91 #define CSRKEY_EROM	0x1b /* Extended_ROM */
92 #define CSRKEY_EKSID	0x1c /* Extended_Key_Specifier_ID */
93 #define CSRKEY_EKEY	0x1d /* Extended_Key */
94 #define CSRKEY_EDATA	0x1e /* Extended_Data */
95 #define CSRKEY_MDESC	0x1f /* Modifiable_Descriptor */
96 #define CSRKEY_DID	0x20 /* Directory_ID */
97 #define CSRKEY_REV	0x21 /* Revision */
98 
99 #define CSRKEY_FIRM_VER	0x3c /* Firmware version */
100 #define CSRKEY_UNIT_CH	0x3a /* Unit characteristics */
101 #define CSRKEY_COM_SPEC	0x38 /* Command set revision */
102 #define CSRKEY_COM_SET	0x39 /* Command set */
103 
104 #define CROM_UDIR	(CSRTYPE_D | CSRKEY_UNIT)  /* 0x81 Unit directory */
105 #define CROM_TEXTLEAF	(CSRTYPE_L | CSRKEY_DESC)  /* 0x81 Text leaf */
106 #define CROM_LUN	(CSRTYPE_I | CSRKEY_DINFO) /* 0x14 Logical unit num. */
107 #define CROM_MGM	(CSRTYPE_C | CSRKEY_DINFO) /* 0x54 Management agent */
108 
109 #define CSRVAL_VENDOR_PRIVATE	0xacde48
110 #define CSRVAL_1394TA	0x00a02d
111 #define CSRVAL_ANSIT10	0x00609e
112 #define CSRVAL_IETF	0x00005e
113 
114 #define CSR_PROTAVC	0x010001
115 #define CSR_PROTCAL	0x010002
116 #define CSR_PROTEHS	0x010004
117 #define CSR_PROTHAVI	0x010008
118 #define CSR_PROTCAM104	0x000100
119 #define CSR_PROTCAM120	0x000101
120 #define CSR_PROTCAM130	0x000102
121 #define CSR_PROTDPP	0x0a6be2
122 #define CSR_PROTIICP	0x4b661f
123 
124 #define CSRVAL_T10SBP2	0x010483
125 #define CSRVAL_SCSI	0x0104d8
126 
127 struct csrreg {
128 #if BYTE_ORDER == BIG_ENDIAN
129 	uint32_t key:8,
130 		 val:24;
131 #else
132 	uint32_t val:24,
133 		 key:8;
134 #endif
135 };
136 struct csrhdr {
137 #if BYTE_ORDER == BIG_ENDIAN
138 	uint32_t info_len:8,
139 		 crc_len:8,
140 		 crc:16;
141 #else
142 	uint32_t crc:16,
143 		 crc_len:8,
144 		 info_len:8;
145 #endif
146 };
147 struct csrdirectory {
148 	BIT16x2(crc_len, crc);
149 	struct csrreg entry[0];
150 };
151 struct csrtext {
152 	BIT16x2(crc_len, crc);
153 #if BYTE_ORDER == BIG_ENDIAN
154 	uint32_t spec_type:8,
155 		 spec_id:24;
156 #else
157 	uint32_t spec_id:24,
158 		 spec_type:8;
159 #endif
160 	uint32_t lang_id;
161 	uint32_t text[0];
162 };
163 
164 struct bus_info {
165 #define	CSR_BUS_NAME_IEEE1394	0x31333934
166 	uint32_t bus_name;
167 #if BYTE_ORDER == BIG_ENDIAN
168 	uint32_t irmc:1,		/* iso. resource manager capable */
169 		 cmc:1,			/* cycle master capable */
170 		 isc:1,			/* iso. operation support */
171 		 bmc:1,			/* bus manager capable */
172 		 pmc:1,			/* power manager capable */
173 		 :3,
174 		 cyc_clk_acc:8,		/* 0 <= ppm <= 100 */
175 		 max_rec:4,		/* (2 << max_rec) bytes */
176 		 :2,
177 		 max_rom:2,
178 		 generation:4,
179 		 :1,
180 		 link_spd:3;
181 #else
182 	uint32_t link_spd:3,
183 		 :1,
184 		 generation:4,
185 		 max_rom:2,
186 		 :2,
187 		 max_rec:4,		/* (2 << max_rec) bytes */
188 		 cyc_clk_acc:8,		/* 0 <= ppm <= 100 */
189 		 :3,
190 		 pmc:1,			/* power manager capable */
191 		 bmc:1,			/* bus manager capable */
192 		 isc:1,			/* iso. operation support */
193 		 cmc:1,			/* cycle master capable */
194 		 irmc:1;		/* iso. resource manager capable */
195 #endif
196 	struct fw_eui64 eui64;
197 };
198 /* max_rom */
199 #define MAXROM_4	0
200 #define MAXROM_64	1
201 #define MAXROM_1024	2
202 
203 #define CROM_MAX_DEPTH	10
204 struct crom_ptr {
205 	struct csrdirectory *dir;
206 	int index;
207 };
208 
209 struct crom_context {
210 	int depth;
211 	struct crom_ptr stack[CROM_MAX_DEPTH];
212 };
213 
214 void crom_init_context(struct crom_context *, uint32_t *);
215 struct csrreg *crom_get(struct crom_context *);
216 void crom_next(struct crom_context *);
217 void crom_parse_text(struct crom_context *, char *, int);
218 uint16_t crom_crc(uint32_t *r, int);
219 struct csrreg *crom_search_key(struct crom_context *, uint8_t);
220 int crom_has_specver(uint32_t *, uint32_t, uint32_t);
221 
222 #if !defined(_KERNEL) && !defined(_BOOT)
223 char *crom_desc(struct crom_context *, char *, int);
224 #endif
225 
226 /* For CROM build */
227 #if defined(_KERNEL) || defined(_BOOT) || defined(TEST)
228 #define CROM_MAX_CHUNK_LEN 20
229 struct crom_src {
230 	struct csrhdr hdr;
231 	struct bus_info businfo;
232 	STAILQ_HEAD(, crom_chunk) chunk_list;
233 };
234 
235 struct crom_chunk {
236 	STAILQ_ENTRY(crom_chunk) link;
237 	struct crom_chunk *ref_chunk;
238 	int ref_index;
239 	int offset;
240 	struct {
241 		BIT16x2(crc_len, crc);
242 		uint32_t buf[CROM_MAX_CHUNK_LEN];
243 	} data;
244 };
245 
246 extern int crom_add_quad(struct crom_chunk *, uint32_t);
247 extern int crom_add_entry(struct crom_chunk *, int, int);
248 extern int crom_add_chunk(struct crom_src *src, struct crom_chunk *,
249 					struct crom_chunk *, int);
250 extern int crom_add_simple_text(struct crom_src *src, struct crom_chunk *,
251 					struct crom_chunk *, char *);
252 extern int crom_load(struct crom_src *, uint32_t *, int);
253 #endif
254