xref: /freebsd/sys/dev/firewire/iec13213.h (revision fcb560670601b2a4d87bb31d7531c8dcc37ee71b)
1 /*-
2  * Copyright (c) 2003 Hidetoshi Shimokawa
3  * Copyright (c) 1998-2002 Katsushi Kobayashi and Hidetoshi Shimokawa
4  * All rights reserved.
5  *
6  * Redistribution and use in source and binary forms, with or without
7  * modification, are permitted provided that the following conditions
8  * are met:
9  * 1. Redistributions of source code must retain the above copyright
10  *    notice, this list of conditions and the following disclaimer.
11  * 2. Redistributions in binary form must reproduce the above copyright
12  *    notice, this list of conditions and the following disclaimer in the
13  *    documentation and/or other materials provided with the distribution.
14  * 3. All advertising materials mentioning features or use of this software
15  *    must display the acknowledgement as bellow:
16  *
17  *    This product includes software developed by K. Kobayashi and H. Shimokawa
18  *
19  * 4. The name of the author may not be used to endorse or promote products
20  *    derived from this software without specific prior written permission.
21  *
22  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
23  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
24  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
25  * DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
26  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
27  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
28  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
29  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
30  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
31  * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
32  * POSSIBILITY OF SUCH DAMAGE.
33  *
34  * $FreeBSD$
35  *
36  */
37 
38 #define	STATE_CLEAR	0x0000
39 #define	STATE_SET	0x0004
40 #define	NODE_IDS	0x0008
41 #define	RESET_START	0x000c
42 #define	SPLIT_TIMEOUT_HI	0x0018
43 #define	SPLIT_TIMEOUT_LO	0x001c
44 #define	CYCLE_TIME	0x0200
45 #define	BUS_TIME	0x0204
46 #define	BUSY_TIMEOUT	0x0210
47 #define	PRIORITY_BUDGET 0x0218
48 #define	BUS_MGR_ID	0x021c
49 #define	BANDWIDTH_AV	0x0220
50 #define	CHANNELS_AV_HI	0x0224
51 #define	CHANNELS_AV_LO	0x0228
52 #define	IP_CHANNELS	0x0234
53 
54 #define	CONF_ROM	0x0400
55 
56 #define	TOPO_MAP	0x1000
57 #define	SPED_MAP	0x2000
58 
59 #define CSRTYPE_SHIFT	6
60 #define CSRTYPE_MASK	(3 << CSRTYPE_SHIFT)
61 #define CSRTYPE_I	(0 << CSRTYPE_SHIFT) /* Immediate */
62 #define CSRTYPE_C	(1 << CSRTYPE_SHIFT) /* CSR offset */
63 #define CSRTYPE_L	(2 << CSRTYPE_SHIFT) /* Leaf */
64 #define CSRTYPE_D	(3 << CSRTYPE_SHIFT) /* Directory */
65 
66 /*
67  * CSR keys
68  * 00 - 2F: defined by CSR architecture standards.
69  * 30 - 37: defined by BUS starndards
70  * 38 - 3F: defined by Vendor/Specifier
71  */
72 #define CSRKEY_MASK	0x3f
73 #define CSRKEY_DESC	0x01 /* Descriptor */
74 #define CSRKEY_BDINFO	0x02 /* Bus_Dependent_Info */
75 #define CSRKEY_VENDOR	0x03 /* Vendor */
76 #define CSRKEY_HW	0x04 /* Hardware_Version */
77 #define CSRKEY_MODULE	0x07 /* Module */
78 #define CSRKEY_NCAP	0x0c /* Node_Capabilities */
79 #define CSRKEY_EUI64	0x0d /* EUI_64 */
80 #define CSRKEY_UNIT	0x11 /* Unit */
81 #define CSRKEY_SPEC	0x12 /* Specifier_ID */
82 #define CSRKEY_VER	0x13 /* Version */
83 #define CSRKEY_DINFO	0x14 /* Dependent_Info */
84 #define CSRKEY_ULOC	0x15 /* Unit_Location */
85 #define CSRKEY_MODEL	0x17 /* Model */
86 #define CSRKEY_INST	0x18 /* Instance */
87 #define CSRKEY_KEYW	0x19 /* Keyword */
88 #define CSRKEY_FEAT	0x1a /* Feature */
89 #define CSRKEY_EROM	0x1b /* Extended_ROM */
90 #define CSRKEY_EKSID	0x1c /* Extended_Key_Specifier_ID */
91 #define CSRKEY_EKEY	0x1d /* Extended_Key */
92 #define CSRKEY_EDATA	0x1e /* Extended_Data */
93 #define CSRKEY_MDESC	0x1f /* Modifiable_Descriptor */
94 #define CSRKEY_DID	0x20 /* Directory_ID */
95 #define CSRKEY_REV	0x21 /* Revision */
96 
97 #define CSRKEY_FIRM_VER	0x3c /* Firmware version */
98 #define CSRKEY_UNIT_CH	0x3a /* Unit characteristics */
99 #define CSRKEY_COM_SPEC	0x38 /* Command set revision */
100 #define CSRKEY_COM_SET	0x39 /* Command set */
101 
102 #define CROM_UDIR	(CSRTYPE_D | CSRKEY_UNIT)  /* 0x81 Unit directory */
103 #define CROM_TEXTLEAF	(CSRTYPE_L | CSRKEY_DESC)  /* 0x81 Text leaf */
104 #define CROM_LUN	(CSRTYPE_I | CSRKEY_DINFO) /* 0x14 Logical unit num. */
105 #define CROM_MGM	(CSRTYPE_C | CSRKEY_DINFO) /* 0x54 Management agent */
106 
107 #define CSRVAL_VENDOR_PRIVATE	0xacde48
108 #define CSRVAL_1394TA	0x00a02d
109 #define CSRVAL_ANSIT10	0x00609e
110 #define CSRVAL_IETF	0x00005e
111 
112 #define CSR_PROTAVC	0x010001
113 #define CSR_PROTCAL	0x010002
114 #define CSR_PROTEHS	0x010004
115 #define CSR_PROTHAVI	0x010008
116 #define CSR_PROTCAM104	0x000100
117 #define CSR_PROTCAM120	0x000101
118 #define CSR_PROTCAM130	0x000102
119 #define CSR_PROTDPP	0x0a6be2
120 #define CSR_PROTIICP	0x4b661f
121 
122 #define CSRVAL_T10SBP2	0x010483
123 #define CSRVAL_SCSI	0x0104d8
124 
125 struct csrreg {
126 #if BYTE_ORDER == BIG_ENDIAN
127 	uint32_t key:8,
128 		 val:24;
129 #else
130 	uint32_t val:24,
131 		 key:8;
132 #endif
133 };
134 struct csrhdr {
135 #if BYTE_ORDER == BIG_ENDIAN
136 	uint32_t info_len:8,
137 		 crc_len:8,
138 		 crc:16;
139 #else
140 	uint32_t crc:16,
141 		 crc_len:8,
142 		 info_len:8;
143 #endif
144 };
145 struct csrdirectory {
146 	BIT16x2(crc_len, crc);
147 	struct csrreg entry[0];
148 };
149 struct csrtext {
150 	BIT16x2(crc_len, crc);
151 #if BYTE_ORDER == BIG_ENDIAN
152 	uint32_t spec_type:8,
153 		 spec_id:24;
154 #else
155 	uint32_t spec_id:24,
156 		 spec_type:8;
157 #endif
158 	uint32_t lang_id;
159 	uint32_t text[0];
160 };
161 
162 struct bus_info {
163 #define	CSR_BUS_NAME_IEEE1394	0x31333934
164 	uint32_t bus_name;
165 #if BYTE_ORDER == BIG_ENDIAN
166 	uint32_t irmc:1,		/* iso. resource manager capable */
167 		 cmc:1,			/* cycle master capable */
168 		 isc:1,			/* iso. operation support */
169 		 bmc:1,			/* bus manager capable */
170 		 pmc:1,			/* power manager capable */
171 		 :3,
172 		 cyc_clk_acc:8,		/* 0 <= ppm <= 100 */
173 		 max_rec:4,		/* (2 << max_rec) bytes */
174 		 :2,
175 		 max_rom:2,
176 		 generation:4,
177 		 :1,
178 		 link_spd:3;
179 #else
180 	uint32_t link_spd:3,
181 		 :1,
182 		 generation:4,
183 		 max_rom:2,
184 		 :2,
185 		 max_rec:4,		/* (2 << max_rec) bytes */
186 		 cyc_clk_acc:8,		/* 0 <= ppm <= 100 */
187 		 :3,
188 		 pmc:1,			/* power manager capable */
189 		 bmc:1,			/* bus manager capable */
190 		 isc:1,			/* iso. operation support */
191 		 cmc:1,			/* cycle master capable */
192 		 irmc:1;		/* iso. resource manager capable */
193 #endif
194 	struct fw_eui64 eui64;
195 };
196 /* max_rom */
197 #define MAXROM_4	0
198 #define MAXROM_64	1
199 #define MAXROM_1024	2
200 
201 #define CROM_MAX_DEPTH	10
202 struct crom_ptr {
203 	struct csrdirectory *dir;
204 	int index;
205 };
206 
207 struct crom_context {
208 	int depth;
209 	struct crom_ptr stack[CROM_MAX_DEPTH];
210 };
211 
212 void crom_init_context(struct crom_context *, uint32_t *);
213 struct csrreg *crom_get(struct crom_context *);
214 void crom_next(struct crom_context *);
215 void crom_parse_text(struct crom_context *, char *, int);
216 uint16_t crom_crc(uint32_t *r, int);
217 struct csrreg *crom_search_key(struct crom_context *, uint8_t);
218 int crom_has_specver(uint32_t *, uint32_t, uint32_t);
219 
220 #if !defined(_KERNEL) && !defined(_BOOT)
221 char *crom_desc(struct crom_context *, char *, int);
222 #endif
223 
224 /* For CROM build */
225 #if defined(_KERNEL) || defined(_BOOT) || defined(TEST)
226 #define CROM_MAX_CHUNK_LEN 20
227 struct crom_src {
228 	struct csrhdr hdr;
229 	struct bus_info businfo;
230 	STAILQ_HEAD(, crom_chunk) chunk_list;
231 };
232 
233 struct crom_chunk {
234 	STAILQ_ENTRY(crom_chunk) link;
235 	struct crom_chunk *ref_chunk;
236 	int ref_index;
237 	int offset;
238 	struct {
239 		BIT16x2(crc_len, crc);
240 		uint32_t buf[CROM_MAX_CHUNK_LEN];
241 	} data;
242 };
243 
244 extern int crom_add_quad(struct crom_chunk *, uint32_t);
245 extern int crom_add_entry(struct crom_chunk *, int, int);
246 extern int crom_add_chunk(struct crom_src *src, struct crom_chunk *,
247 					struct crom_chunk *, int);
248 extern int crom_add_simple_text(struct crom_src *src, struct crom_chunk *,
249 					struct crom_chunk *, char *);
250 extern int crom_load(struct crom_src *, uint32_t *, int);
251 #endif
252