xref: /haiku/headers/private/firewire/firewire.h (revision 079c69cbfd7cd3c97baae91332251c8388a8bb02)
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: src/sys/dev/firewire/firewire.h,v 1.21 2007/04/24 12:15:05 simokawa Exp $
35  *
36  */
37 
38 #ifndef _FIREWIRE_H
39 #define _FIREWIRE_H 1
40 #ifdef __HAIKU__
41 #include <stdint.h>
42 #include <sys/ioccom.h>
43 #endif
44 
45 #define	DEV_DEF  0
46 #define	DEV_DV   2
47 
48 struct fw_isochreq {
49 	unsigned char	ch:6,
50 			tag:2;
51 };
52 
53 struct fw_isobufreq {
54 	struct fw_bufspec {
55 		unsigned int nchunk;
56 		unsigned int npacket;
57 		unsigned int psize;
58 	} tx, rx;
59 };
60 
61 struct fw_addr {
62 	uint32_t hi;
63 	uint32_t lo;
64 };
65 
66 struct fw_asybindreq {
67 	struct fw_addr start;
68 	unsigned long len;
69 };
70 
71 struct fw_reg_req_t {
72 	uint32_t addr;
73 	uint32_t data;
74 };
75 
76 #define MAXREC(x)	(2 << (x))
77 #define FWPMAX_S400 (2048 + 20)	/* MAXREC plus space for control data */
78 #define FWMAXQUEUE 128
79 
80 #define	FWLOCALBUS	0xffc0
81 
82 #define FWTCODE_WREQQ	0
83 #define FWTCODE_WREQB	1
84 #define FWTCODE_WRES	2
85 #define FWTCODE_RREQQ	4
86 #define FWTCODE_RREQB	5
87 #define FWTCODE_RRESQ	6
88 #define FWTCODE_RRESB	7
89 #define FWTCODE_CYCS	8
90 #define FWTCODE_LREQ	9
91 #define FWTCODE_STREAM	0xa
92 #define FWTCODE_LRES	0xb
93 #define FWTCODE_PHY	0xe
94 
95 #define	FWRETRY_1	0
96 #define	FWRETRY_X	1
97 #define	FWRETRY_A	2
98 #define	FWRETRY_B	3
99 
100 #define FWRCODE_COMPLETE	0
101 #define FWRCODE_ER_CONFL	4
102 #define FWRCODE_ER_DATA		5
103 #define FWRCODE_ER_TYPE		6
104 #define FWRCODE_ER_ADDR		7
105 
106 #define FWSPD_S100	0
107 #define FWSPD_S200	1
108 #define FWSPD_S400	2
109 
110 #define	FWP_TL_VALID (1 << 7)
111 
112 struct fw_isohdr {
113 	uint32_t hdr[1];
114 };
115 
116 struct fw_asyhdr {
117 	uint32_t hdr[4];
118 };
119 
120 #if BYTE_ORDER == BIG_ENDIAN
121 #define BIT4x2(x,y)	 uint8_t  x:4, y:4
122 #define BIT16x2(x,y)	uint32_t x:16, y:16
123 #else
124 #define BIT4x2(x,y)	 uint8_t  y:4, x:4
125 #define BIT16x2(x,y)	uint32_t y:16, x:16
126 #endif
127 
128 
129 #if BYTE_ORDER == BIG_ENDIAN
130 #define COMMON_HDR(a,b,c,d)	uint32_t a:16,b:8,c:4,d:4
131 #define COMMON_RES(a,b,c,d)	uint32_t a:16,b:4,c:4,d:8
132 #else
133 #define COMMON_HDR(a,b,c,d)	uint32_t d:4,c:4,b:8,a:16
134 #define COMMON_RES(a,b,c,d)	uint32_t d:8,c:4,b:4,a:16
135 #endif
136 
137 struct fw_pkt {
138 	union {
139 		uint32_t ld[0];
140 		struct {
141 			COMMON_HDR(, , tcode, );
142 		} common;
143 		struct {
144 			COMMON_HDR(len, chtag, tcode, sy);
145 			uint32_t payload[0];
146 		} stream;
147 		struct {
148 			COMMON_HDR(dst, tlrt, tcode, pri);
149 			BIT16x2(src, );
150 		} hdr;
151 		struct {
152 			COMMON_HDR(dst, tlrt, tcode, pri);
153 			BIT16x2(src, dest_hi);
154 			uint32_t dest_lo;
155 		} rreqq;
156 		struct {
157 			COMMON_HDR(dst, tlrt, tcode, pri);
158 			COMMON_RES(src, rtcode, , );
159 			uint32_t :32;
160 		} wres;
161 		struct {
162 			COMMON_HDR(dst, tlrt, tcode, pri);
163 			BIT16x2(src, dest_hi);
164 			uint32_t dest_lo;
165 			BIT16x2(len, extcode);
166 		} rreqb;
167 		struct {
168 			COMMON_HDR(dst, tlrt, tcode, pri);
169 			BIT16x2(src, dest_hi);
170 			uint32_t dest_lo;
171 			uint32_t data;
172 		} wreqq;
173 		struct {
174 			COMMON_HDR(dst, tlrt, tcode, pri);
175 			BIT16x2(src, dest_hi);
176 			uint32_t dest_lo;
177 			uint32_t data;
178 		} cyc;
179 		struct {
180 			COMMON_HDR(dst, tlrt, tcode, pri);
181 			COMMON_RES(src, rtcode, , );
182 			uint32_t :32;
183 			uint32_t data;
184 		} rresq;
185 		struct {
186 			COMMON_HDR(dst, tlrt, tcode, pri);
187 			BIT16x2(src, dest_hi);
188 			uint32_t dest_lo;
189 			BIT16x2(len, extcode);
190 			uint32_t payload[0];
191 		} wreqb;
192 		struct {
193 			COMMON_HDR(dst, tlrt, tcode, pri);
194 			BIT16x2(src, dest_hi);
195 			uint32_t dest_lo;
196 			BIT16x2(len, extcode);
197 			uint32_t payload[0];
198 		} lreq;
199 		struct {
200 			COMMON_HDR(dst, tlrt, tcode, pri);
201 			COMMON_RES(src, rtcode, , );
202 			uint32_t :32;
203 			BIT16x2(len, extcode);
204 			uint32_t payload[0];
205 		} rresb;
206 		struct {
207 			COMMON_HDR(dst, tlrt, tcode, pri);
208 			COMMON_RES(src, rtcode, , );
209 			uint32_t :32;
210 			BIT16x2(len, extcode);
211 			uint32_t payload[0];
212 		} lres;
213 	} mode;
214 };
215 
216 /*
217  * Response code (rtcode)
218  */
219 /* The node has successfully completed the command. */
220 #define	RESP_CMP		0
221 /* A resource conflict was detected. The request may be retried. */
222 #define	RESP_CONFLICT_ERROR	4
223 /* Hardware error, data is unavailable. */
224 #define	RESP_DATA_ERROR		5
225 /* A field in the request packet header was set to an unsupported or incorrect
226  * value, or an invalid transaction was attempted (e.g., a write to a read-only
227  * address). */
228 #define	RESP_TYPE_ERROR		6
229 /* The destination offset field in the request was set to an address not
230  * accessible in the destination node. */
231 #define	RESP_ADDRESS_ERROR	7
232 
233 /*
234  * Extended transaction code (extcode)
235  */
236 #define EXTCODE_MASK_SWAP	1
237 #define EXTCODE_CMP_SWAP	2
238 #define EXTCODE_FETCH_ADD	3
239 #define EXTCODE_LITTLE_ADD	4
240 #define EXTCODE_BOUNDED_ADD	5
241 #define EXTCODE_WRAP_ADD	6
242 
243 struct fw_eui64 {
244 	uint32_t hi, lo;
245 };
246 #define FW_EUI64_BYTE(eui, x) \
247 	((((x)<4)?				\
248 		((eui)->hi >> (8*(3-(x)))): 	\
249 		((eui)->lo >> (8*(7-(x))))	\
250 	) & 0xff)
251 #define FW_EUI64_EQUAL(x, y) \
252 	((x).hi == (y).hi && (x).lo == (y).lo)
253 
254 struct fw_asyreq {
255 	struct fw_asyreq_t{
256 		unsigned char sped;
257 		unsigned int type;
258 #define FWASREQNODE	0
259 #define FWASREQEUI	1
260 #define FWASRESTL	2
261 #define FWASREQSTREAM	3
262 		unsigned short len;
263 		union {
264 			struct fw_eui64 eui;
265 		}dst;
266 	}req;
267 	struct fw_pkt pkt;
268 	uint32_t data[512];
269 };
270 
271 struct fw_devinfo {
272 	struct fw_eui64 eui;
273 	uint16_t dst;
274 	uint16_t status;
275 };
276 
277 #define FW_MAX_DEVLST 70
278 struct fw_devlstreq {
279 	uint16_t n;
280 	uint16_t info_len;
281 	struct fw_devinfo dev[FW_MAX_DEVLST];
282 };
283 
284 #define FW_SELF_ID_PORT_CONNECTED_TO_CHILD 3
285 #define FW_SELF_ID_PORT_CONNECTED_TO_PARENT 2
286 #define FW_SELF_ID_PORT_NOT_CONNECTED 1
287 #define FW_SELF_ID_PORT_NOT_EXISTS 0
288 #if BYTE_ORDER == BIG_ENDIAN
289 union fw_self_id {
290 	struct {
291 		uint32_t  id:2,
292 			  phy_id:6,
293 			  sequel:1,
294 			  link_active:1,
295 			  gap_count:6,
296 			  phy_speed:2,
297 			  phy_delay:2,
298 			  contender:1,
299 			  power_class:3,
300 			  port0:2,
301 			  port1:2,
302 			  port2:2,
303 			  initiated_reset:1,
304 			  more_packets:1;
305 	} p0;
306 	struct {
307 		uint32_t
308 			  id:2,
309 			  phy_id:6,
310 			  sequel:1,
311 			  sequence_num:3,
312 			  :2,
313 			  porta:2,
314 			  portb:2,
315 			  portc:2,
316 			  portd:2,
317 			  porte:2,
318 			  portf:2,
319 			  portg:2,
320 			  porth:2,
321 			  :1,
322 			  more_packets:1;
323 	} p1;
324 };
325 #else
326 union fw_self_id {
327 	struct {
328 		uint32_t  more_packets:1,
329 			  initiated_reset:1,
330 			  port2:2,
331 			  port1:2,
332 			  port0:2,
333 			  power_class:3,
334 			  contender:1,
335 			  phy_delay:2,
336 			  phy_speed:2,
337 			  gap_count:6,
338 			  link_active:1,
339 			  sequel:1,
340 			  phy_id:6,
341 			  id:2;
342 	} p0;
343 	struct {
344 		uint32_t  more_packets:1,
345 			  reserved1:1,
346 			  porth:2,
347 			  portg:2,
348 			  portf:2,
349 			  porte:2,
350 			  portd:2,
351 			  portc:2,
352 			  portb:2,
353 			  porta:2,
354 			  reserved2:2,
355 			  sequence_num:3,
356 			  sequel:1,
357 			  phy_id:6,
358 			  id:2;
359 	} p1;
360 };
361 #endif
362 
363 
364 struct fw_topology_map {
365 	uint32_t crc:16,
366 		 crc_len:16;
367 	uint32_t generation;
368 	uint32_t self_id_count:16,
369 		 node_count:16;
370 	union fw_self_id self_id[4*64];
371 };
372 
373 struct fw_speed_map {
374 	uint32_t crc:16,
375 		 crc_len:16;
376 	uint32_t generation;
377 	uint8_t  speed[64][64];
378 };
379 
380 struct fw_crom_buf {
381 	struct fw_eui64 eui;
382 	uint32_t len;
383 	void *ptr;
384 };
385 
386 /*
387  * FireWire specific system requests.
388  */
389 #define	FW_SSTBUF	_IOWR('S', 86, struct fw_isobufreq)
390 #define	FW_GSTBUF	_IOWR('S', 87, struct fw_isobufreq)
391 #define	FW_SRSTREAM	_IOWR('S', 88, struct fw_isochreq)
392 #define	FW_GRSTREAM	_IOWR('S', 89, struct fw_isochreq)
393 #define	FW_STSTREAM	_IOWR('S', 90, struct fw_isochreq)
394 #define	FW_GTSTREAM	_IOWR('S', 91, struct fw_isochreq)
395 
396 #define	FW_ASYREQ	_IOWR('S', 92, struct fw_asyreq)
397 #define FW_IBUSRST	_IOR('S', 1, unsigned int)
398 #define FW_GDEVLST	_IOWR('S', 2, struct fw_devlstreq)
399 #define	FW_SBINDADDR	_IOWR('S', 3, struct fw_asybindreq)
400 #define	FW_CBINDADDR	_IOWR('S', 4, struct fw_asybindreq)
401 #define	FW_GTPMAP	_IOR('S', 5, struct fw_topology_map)
402 #define	FW_GCROM	_IOWR('S', 7, struct fw_crom_buf)
403 
404 #define	FW_SDEUI64	_IOW('S', 20, struct fw_eui64)
405 #define	FW_GDEUI64	_IOR('S', 21, struct fw_eui64)
406 
407 #define FWOHCI_RDREG	_IOWR('S', 80, struct fw_reg_req_t)
408 #define FWOHCI_WRREG	_IOWR('S', 81, struct fw_reg_req_t)
409 #define FWOHCI_RDPHYREG	_IOWR('S', 82, struct fw_reg_req_t)
410 #define FWOHCI_WRPHYREG	_IOWR('S', 83, struct fw_reg_req_t)
411 
412 #define DUMPDMA		_IOWR('S', 82, uint32_t)
413 
414 #ifdef _KERNEL
415 
416 #define FWMAXNDMA 0x100 /* 8 bits DMA channel id. in device No. */
417 
418 #ifndef __HAIKU__
419 #if defined(__DragonFly__) || __FreeBSD_version < 500000
420 #define dev2unit(x)	((minor(x) & 0xff) | (minor(x) >> 8))
421 #define unit2minor(x)	(((x) & 0xff) | (((x) << 8) & ~0xffff))
422 #endif
423 
424 #define MAKEMINOR(f, u, s)	\
425 	unit2minor((f) | (((u) & 0xff) << 8) | (s & 0xff))
426 #define DEV2UNIT(x)	((dev2unit(x) & 0xff00) >> 8)
427 #define DEV2SUB(x)	(dev2unit(x) & 0xff)
428 
429 #define FWMEM_FLAG	0x10000
430 #define DEV_FWMEM(x)	(dev2unit(x) & FWMEM_FLAG)
431 #endif /* __HAIKU__ */
432 #endif
433 #ifdef __HAIKU__
434 #define EX_NOINPUT 66
435 #define EX_USAGE 64
436 #endif /* __HAIKU__*/
437 #endif
438