1 /*        $NetBSD: iec13213.h,v 1.6 2014/03/28 04:09:19 htodd Exp $   */
2 /*-
3  * Copyright (c) 2003 Hidetoshi Shimokawa
4  * Copyright (c) 1998-2002 Katsushi Kobayashi and Hidetoshi Shimokawa
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  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  * 3. All advertising materials mentioning features or use of this software
16  *    must display the acknowledgement as bellow:
17  *
18  *    This product includes software developed by K. Kobayashi and H. Shimokawa
19  *
20  * 4. The name of the author may not be used to endorse or promote products
21  *    derived from this software without specific prior written permission.
22  *
23  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
24  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
25  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
26  * DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
27  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
28  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
29  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
31  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
32  * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
33  * POSSIBILITY OF SUCH DAMAGE.
34  *
35  * $FreeBSD: /repoman/r/ncvs/src/sys/dev/firewire/iec13213.h,v 1.14 2005/01/06 01:42:41 imp Exp $
36  *
37  */
38 
39 #ifndef _IEC13213_H_
40 #define _IEC13213_H_
41 
42 #define   STATE_CLEAR         0x0000
43 #define   STATE_SET 0x0004
44 #define   NODE_IDS  0x0008
45 #define   RESET_START         0x000c
46 #define   SPLIT_TIMEOUT_HI    0x0018
47 #define   SPLIT_TIMEOUT_LO    0x001c
48 #define   CYCLE_TIME          0x0200
49 #define   BUS_TIME  0x0204
50 #define   BUSY_TIMEOUT        0x0210
51 #define   PRIORITY_BUDGET 0x0218
52 #define   BUS_MGR_ID          0x021c
53 #define   BANDWIDTH_AV        0x0220
54 #define   CHANNELS_AV_HI      0x0224
55 #define   CHANNELS_AV_LO      0x0228
56 #define   IP_CHANNELS         0x0234
57 
58 #define   CONF_ROM  0x0400
59 
60 #define   TOPO_MAP  0x1000
61 #define   SPED_MAP  0x2000
62 
63 #define CSRTYPE_SHIFT         6
64 #define CSRTYPE_MASK          (3 << CSRTYPE_SHIFT)
65 #define CSRTYPE_I   (0 << CSRTYPE_SHIFT) /* Immediate */
66 #define CSRTYPE_C   (1 << CSRTYPE_SHIFT) /* CSR offset */
67 #define CSRTYPE_L   (2 << CSRTYPE_SHIFT) /* Leaf */
68 #define CSRTYPE_D   (3 << CSRTYPE_SHIFT) /* Directory */
69 
70 /*
71  * CSR keys
72  * 00 - 2F: defined by CSR architecture standards.
73  * 30 - 37: defined by BUS starndards
74  * 38 - 3F: defined by Vendor/Specifier
75  */
76 #define CSRKEY_MASK 0x3f
77 #define CSRKEY_DESC 0x01 /* Descriptor */
78 #define CSRKEY_BDINFO         0x02 /* Bus_Dependent_Info */
79 #define CSRKEY_VENDOR         0x03 /* Vendor */
80 #define CSRKEY_HW   0x04 /* Hardware_Version */
81 #define CSRKEY_MODULE         0x07 /* Module */
82 #define CSRKEY_NCAP 0x0c /* Node_Capabilities */
83 #define CSRKEY_EUI64          0x0d /* EUI_64 */
84 #define CSRKEY_UNIT 0x11 /* Unit */
85 #define CSRKEY_SPEC 0x12 /* Specifier_ID */
86 #define CSRKEY_VER  0x13 /* Version */
87 #define CSRKEY_DINFO          0x14 /* Dependent_Info */
88 #define CSRKEY_ULOC 0x15 /* Unit_Location */
89 #define CSRKEY_MODEL          0x17 /* Model */
90 #define CSRKEY_INST 0x18 /* Instance */
91 #define CSRKEY_KEYW 0x19 /* Keyword */
92 #define CSRKEY_FEAT 0x1a /* Feature */
93 #define CSRKEY_EROM 0x1b /* Extended_ROM */
94 #define CSRKEY_EKSID          0x1c /* Extended_Key_Specifier_ID */
95 #define CSRKEY_EKEY 0x1d /* Extended_Key */
96 #define CSRKEY_EDATA          0x1e /* Extended_Data */
97 #define CSRKEY_MDESC          0x1f /* Modifiable_Descriptor */
98 #define CSRKEY_DID  0x20 /* Directory_ID */
99 #define CSRKEY_REV  0x21 /* Revision */
100 
101 #define CSRKEY_FIRM_VER       0x3c /* Firmware version */
102 #define CSRKEY_UNIT_CH        0x3a /* Unit characteristics */
103 #define CSRKEY_COM_SPEC       0x38 /* Command set revision */
104 #define CSRKEY_COM_SET        0x39 /* Command set */
105 
106 #define CROM_UDIR   (CSRTYPE_D | CSRKEY_UNIT)  /* 0x81 Unit directory */
107 #define CROM_TEXTLEAF         (CSRTYPE_L | CSRKEY_DESC)  /* 0x81 Text leaf */
108 #define CROM_TEXTLEAF2        (CSRTYPE_L | CSRKEY_BDINFO)/* 0x82 Text leaf2 */
109 #define CROM_LUN    (CSRTYPE_I | CSRKEY_DINFO) /* 0x14 Logical unit num. */
110 #define CROM_MGM    (CSRTYPE_C | CSRKEY_DINFO) /* 0x54 Management agent */
111 #define CROM_NODEID 0x8d /* only valid for IEEE 1394-1995 digital camera */
112 
113 #define CSRVAL_VENDOR_PRIVATE 0xacde48
114 #define CSRVAL_1394TA         0x00a02d
115 #define CSRVAL_ANSIT10        0x00609e
116 #define CSRVAL_IETF 0x00005e
117 
118 #define CSR_PROTAVC 0x010001
119 #define CSR_PROTCAL 0x010002
120 #define CSR_PROTEHS 0x010004
121 #define CSR_PROTHAVI          0x010008
122 #define CSR_PROTCAM104        0x000100
123 #define CSR_PROTCAM120        0x000101
124 #define CSR_PROTCAM130        0x000102
125 #define CSR_PROTDPP 0x0a6be2
126 #define CSR_PROTIICP          0x4b661f
127 
128 #define CSRVAL_T10SBP2        0x010483
129 #define CSRVAL_SCSI 0x0104d8
130 
131 struct csrreg {
132 #if BYTE_ORDER == BIG_ENDIAN
133           uint32_t key:8,
134                      val:24;
135 #else
136           uint32_t val:24,
137                      key:8;
138 #endif
139 };
140 struct csrhdr {
141 #if BYTE_ORDER == BIG_ENDIAN
142           uint32_t info_len:8,
143                      crc_len:8,
144                      crc:16;
145 #else
146           uint32_t crc:16,
147                      crc_len:8,
148                      info_len:8;
149 #endif
150 };
151 struct csrdirectory {
152           BIT16x2(crc_len, crc);
153           struct csrreg entry[0];
154 };
155 struct csrtext {
156           BIT16x2(crc_len, crc);
157 #if BYTE_ORDER == BIG_ENDIAN
158           uint32_t spec_type:8,
159                      spec_id:24;
160 #else
161           uint32_t spec_id:24,
162                      spec_type:8;
163 #endif
164           uint32_t lang_id;
165           uint32_t text[0];
166 };
167 
168 struct bus_info {
169 #define   CSR_BUS_NAME_IEEE1394         0x31333934
170           uint32_t bus_name;
171 #if BYTE_ORDER == BIG_ENDIAN
172           uint32_t irmc:1,              /* iso. resource manager capable */
173                      cmc:1,                       /* cycle master capable */
174                      isc:1,                       /* iso. operation support */
175                      bmc:1,                       /* bus manager capable */
176                      pmc:1,                       /* power manager capable */
177                      :3,
178                      cyc_clk_acc:8,               /* 0 <= ppm <= 100 */
179                      max_rec:4,                   /* (2 << max_rec) bytes */
180                      :2,
181                      max_rom:2,
182                      generation:4,
183                      :1,
184                      link_spd:3;
185 #else
186           uint32_t link_spd:3,
187                      :1,
188                      generation:4,
189                      max_rom:2,
190                      :2,
191                      max_rec:4,                   /* (2 << max_rec) bytes */
192                      cyc_clk_acc:8,               /* 0 <= ppm <= 100 */
193                      :3,
194                      pmc:1,                       /* power manager capable */
195                      bmc:1,                       /* bus manager capable */
196                      isc:1,                       /* iso. operation support */
197                      cmc:1,                       /* cycle master capable */
198                      irmc:1;            /* iso. resource manager capable */
199 #endif
200           struct fw_eui64 eui64;
201 };
202 /* max_rom */
203 #define MAXROM_4    0
204 #define MAXROM_64   1
205 #define MAXROM_1024 2
206 
207 #define CROM_MAX_DEPTH        10
208 struct crom_ptr {
209           struct csrdirectory *dir;
210           int index;
211 };
212 
213 struct crom_context {
214           int depth;
215           struct crom_ptr stack[CROM_MAX_DEPTH];
216 };
217 
218 void crom_init_context(struct crom_context *, uint32_t *);
219 struct csrreg *crom_get(struct crom_context *);
220 void crom_next(struct crom_context *);
221 void crom_parse_text(struct crom_context *, char *, int);
222 uint16_t crom_crc(uint32_t *r, int);
223 struct csrreg *crom_search_key(struct crom_context *, uint8_t);
224 int crom_has_specver(uint32_t *, uint32_t, uint32_t);
225 
226 #ifndef _KERNEL
227 const char *crom_desc(struct crom_context *, char *, size_t);
228 #endif
229 
230 /* For CROM build */
231 #if defined(_KERNEL) || defined(TEST)
232 #define CROM_MAX_CHUNK_LEN 20
233 struct crom_src {
234           struct csrhdr hdr;
235           struct bus_info businfo;
236           STAILQ_HEAD(, crom_chunk) chunk_list;
237 };
238 
239 struct crom_chunk {
240           STAILQ_ENTRY(crom_chunk) link;
241           struct crom_chunk *ref_chunk;
242           int ref_index;
243           int offset;
244           struct {
245                     BIT16x2(crc_len, crc);
246                     uint32_t buf[CROM_MAX_CHUNK_LEN];
247           } data;
248 };
249 
250 extern int crom_add_quad(struct crom_chunk *, uint32_t);
251 extern int crom_add_entry(struct crom_chunk *, int, int);
252 extern int crom_add_chunk(struct crom_src *src, struct crom_chunk *,
253                                                   struct crom_chunk *, int);
254 extern int crom_add_simple_text(struct crom_src *src, struct crom_chunk *,
255                                                   struct crom_chunk *, const char *);
256 extern int crom_load(struct crom_src *, uint32_t *, int);
257 #endif
258 
259 #endif    /* _IEC13213_H_ */
260