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firewire.h revision 1.4.42.1
      1 /*	$NetBSD: firewire.h,v 1.4.42.1 2010/05/30 05:17:27 rmind 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: src/sys/dev/firewire/firewire.h,v 1.25 2009/02/17 19:37:04 sbruno Exp $
     36  *
     37  */
     38 
     39 #ifndef _FIREWIRE_H_
     40 #define _FIREWIRE_H_
     41 
     42 #define	DEV_DEF  0
     43 #define	DEV_DV   2
     44 
     45 struct fw_isochreq {
     46 	unsigned char	ch:6,
     47 			tag:2;
     48 };
     49 
     50 struct fw_isobufreq {
     51 	struct fw_bufspec {
     52 		unsigned int nchunk;
     53 		unsigned int npacket;
     54 		unsigned int psize;
     55 	} tx, rx;
     56 };
     57 
     58 struct fw_addr {
     59 	uint32_t hi;
     60 	uint32_t lo;
     61 };
     62 
     63 struct fw_asybindreq {
     64 	struct fw_addr start;
     65 	unsigned long len;
     66 };
     67 
     68 struct fw_reg_req_t {
     69 	uint32_t addr;
     70 	uint32_t data;
     71 };
     72 
     73 #define MAXREC(x)	(2 << (x))
     74 #define FWPMAX_S400 (2048 + 20)	/* MAXREC plus space for control data */
     75 #define FWMAXQUEUE 256
     76 
     77 #define	FWLOCALBUS	0xffc0
     78 
     79 #define FWTCODE_WREQQ	0
     80 #define FWTCODE_WREQB	1
     81 #define FWTCODE_WRES	2
     82 #define FWTCODE_RREQQ	4
     83 #define FWTCODE_RREQB	5
     84 #define FWTCODE_RRESQ	6
     85 #define FWTCODE_RRESB	7
     86 #define FWTCODE_CYCS	8
     87 #define FWTCODE_LREQ	9
     88 #define FWTCODE_STREAM	0xa
     89 #define FWTCODE_LRES	0xb
     90 #define FWTCODE_PHY	0xe
     91 
     92 #define	FWRETRY_1	0
     93 #define	FWRETRY_X	1
     94 #define	FWRETRY_A	2
     95 #define	FWRETRY_B	3
     96 
     97 #define FWRCODE_COMPLETE	0
     98 #define FWRCODE_ER_CONFL	4
     99 #define FWRCODE_ER_DATA		5
    100 #define FWRCODE_ER_TYPE		6
    101 #define FWRCODE_ER_ADDR		7
    102 
    103 /*
    104  * Defined 1394a-2000
    105  * Table 5B-1
    106  */
    107 #define FWSPD_S100	0
    108 #define FWSPD_S200	1
    109 #define FWSPD_S400	2
    110 #define FWSPD_S800	3
    111 #define FWSPD_S1600	4
    112 #define FWSPD_S3200	5
    113 
    114 #define	FWP_TL_VALID (1 << 7)
    115 
    116 struct fw_isohdr {
    117 	uint32_t hdr[1];
    118 };
    119 
    120 struct fw_asyhdr {
    121 	uint32_t hdr[4];
    122 };
    123 
    124 #if BYTE_ORDER == BIG_ENDIAN
    125 #define BIT4x2(x,y)	 uint8_t  x:4, y:4
    126 #define BIT16x2(x,y)	uint32_t x:16, y:16
    127 #else
    128 #define BIT4x2(x,y)	 uint8_t  y:4, x:4
    129 #define BIT16x2(x,y)	uint32_t y:16, x:16
    130 #endif
    131 
    132 
    133 #if BYTE_ORDER == BIG_ENDIAN
    134 #define COMMON_HDR(a,b,c,d)	uint32_t a:16,b:8,c:4,d:4
    135 #define COMMON_RES(a,b,c,d)	uint32_t a:16,b:4,c:4,d:8
    136 #else
    137 #define COMMON_HDR(a,b,c,d)	uint32_t d:4,c:4,b:8,a:16
    138 #define COMMON_RES(a,b,c,d)	uint32_t d:8,c:4,b:4,a:16
    139 #endif
    140 
    141 struct fw_pkt {
    142 	union {
    143 		uint32_t ld[0];
    144 		struct {
    145 			COMMON_HDR(, , tcode, );
    146 		} common;
    147 		struct {
    148 			COMMON_HDR(len, chtag, tcode, sy);
    149 			uint32_t payload[0];
    150 		} stream;
    151 		struct {
    152 			COMMON_HDR(dst, tlrt, tcode, pri);
    153 			BIT16x2(src, );
    154 		} hdr;
    155 		struct {
    156 			COMMON_HDR(dst, tlrt, tcode, pri);
    157 			BIT16x2(src, dest_hi);
    158 			uint32_t dest_lo;
    159 		} rreqq;
    160 		struct {
    161 			COMMON_HDR(dst, tlrt, tcode, pri);
    162 			COMMON_RES(src, rtcode, , );
    163 			uint32_t :32;
    164 		} wres;
    165 		struct {
    166 			COMMON_HDR(dst, tlrt, tcode, pri);
    167 			BIT16x2(src, dest_hi);
    168 			uint32_t dest_lo;
    169 			BIT16x2(len, extcode);
    170 		} rreqb;
    171 		struct {
    172 			COMMON_HDR(dst, tlrt, tcode, pri);
    173 			BIT16x2(src, dest_hi);
    174 			uint32_t dest_lo;
    175 			uint32_t data;
    176 		} wreqq;
    177 		struct {
    178 			COMMON_HDR(dst, tlrt, tcode, pri);
    179 			BIT16x2(src, dest_hi);
    180 			uint32_t dest_lo;
    181 			uint32_t data;
    182 		} cyc;
    183 		struct {
    184 			COMMON_HDR(dst, tlrt, tcode, pri);
    185 			COMMON_RES(src, rtcode, , );
    186 			uint32_t :32;
    187 			uint32_t data;
    188 		} rresq;
    189 		struct {
    190 			COMMON_HDR(dst, tlrt, tcode, pri);
    191 			BIT16x2(src, dest_hi);
    192 			uint32_t dest_lo;
    193 			BIT16x2(len, extcode);
    194 			uint32_t payload[0];
    195 		} wreqb;
    196 		struct {
    197 			COMMON_HDR(dst, tlrt, tcode, pri);
    198 			BIT16x2(src, dest_hi);
    199 			uint32_t dest_lo;
    200 			BIT16x2(len, extcode);
    201 			uint32_t payload[0];
    202 		} lreq;
    203 		struct {
    204 			COMMON_HDR(dst, tlrt, tcode, pri);
    205 			COMMON_RES(src, rtcode, , );
    206 			uint32_t :32;
    207 			BIT16x2(len, extcode);
    208 			uint32_t payload[0];
    209 		} rresb;
    210 		struct {
    211 			COMMON_HDR(dst, tlrt, tcode, pri);
    212 			COMMON_RES(src, rtcode, , );
    213 			uint32_t :32;
    214 			BIT16x2(len, extcode);
    215 			uint32_t payload[0];
    216 		} lres;
    217 	} mode;
    218 };
    219 
    220 /*
    221  * Response code (rtcode)
    222  */
    223 /* The node has successfully completed the command. */
    224 #define	RESP_CMP		0
    225 /* A resource conflict was detected. The request may be retried. */
    226 #define	RESP_CONFLICT_ERROR	4
    227 /* Hardware error, data is unavailable. */
    228 #define	RESP_DATA_ERROR		5
    229 /* A field in the request packet header was set to an unsupported or incorrect
    230  * value, or an invalid transaction was attempted (e.g., a write to a read-only
    231  * address). */
    232 #define	RESP_TYPE_ERROR		6
    233 /* The destination offset field in the request was set to an address not
    234  * accessible in the destination node. */
    235 #define	RESP_ADDRESS_ERROR	7
    236 
    237 /*
    238  * Extended transaction code (extcode)
    239  */
    240 #define EXTCODE_MASK_SWAP	1
    241 #define EXTCODE_CMP_SWAP	2
    242 #define EXTCODE_FETCH_ADD	3
    243 #define EXTCODE_LITTLE_ADD	4
    244 #define EXTCODE_BOUNDED_ADD	5
    245 #define EXTCODE_WRAP_ADD	6
    246 
    247 struct fw_eui64 {
    248 	uint32_t hi, lo;
    249 };
    250 #define FW_EUI64_BYTE(eui, x) \
    251 	((((x)<4)?				\
    252 		((eui)->hi >> (8*(3-(x)))): 	\
    253 		((eui)->lo >> (8*(7-(x))))	\
    254 	) & 0xff)
    255 #define FW_EUI64_EQUAL(x, y) \
    256 	((x).hi == (y).hi && (x).lo == (y).lo)
    257 
    258 struct fw_asyreq {
    259 	struct fw_asyreq_t{
    260 		unsigned char sped;
    261 		unsigned int type;
    262 #define FWASREQNODE	0
    263 #define FWASREQEUI	1
    264 #define FWASRESTL	2
    265 #define FWASREQSTREAM	3
    266 		unsigned short len;
    267 		union {
    268 			struct fw_eui64 eui;
    269 		}dst;
    270 	}req;
    271 	struct fw_pkt pkt;
    272 	uint32_t data[512];
    273 };
    274 
    275 struct fw_devinfo {
    276 	struct fw_eui64 eui;
    277 	uint16_t dst;
    278 	uint16_t status;
    279 };
    280 
    281 #define FW_MAX_DEVLST 70
    282 struct fw_devlstreq {
    283 	uint16_t n;
    284 	uint16_t info_len;
    285 	struct fw_devinfo dev[FW_MAX_DEVLST];
    286 };
    287 
    288 /*
    289  * Defined in IEEE 1394a-2000
    290  * 4.3.4.1
    291  */
    292 #define FW_SELF_ID_PORT_CONNECTED_TO_CHILD 3
    293 #define FW_SELF_ID_PORT_CONNECTED_TO_PARENT 2
    294 #define FW_SELF_ID_PORT_NOT_CONNECTED 1
    295 #define FW_SELF_ID_PORT_NOT_EXISTS 0
    296 
    297 #define FW_SELF_ID_PAGE0 0
    298 #define FW_SELF_ID_PAGE1 1
    299 
    300 #if BYTE_ORDER == BIG_ENDIAN
    301 union fw_self_id {
    302 	struct {
    303 		uint32_t  id:2,
    304 			  phy_id:6,
    305 			  sequel:1,
    306 			  link_active:1,
    307 			  gap_count:6,
    308 			  phy_speed:2,
    309 			  reserved:2,
    310 			  contender:1,
    311 			  power_class:3,
    312 			  port0:2,
    313 			  port1:2,
    314 			  port2:2,
    315 			  initiated_reset:1,
    316 			  more_packets:1;
    317 	} p0;
    318 	struct {
    319 		uint32_t
    320 			  id:2,
    321 			  phy_id:6,
    322 			  sequel:1,
    323 			  sequence_num:3,
    324 			  reserved2:2,
    325 			  port3:2,
    326 			  port4:2,
    327 			  port5:2,
    328 			  port6:2,
    329 			  port7:2,
    330 			  port8:2,
    331 			  port9:2,
    332 			  port10:2,
    333 			  reserved1:1,
    334 			  more_packets:1;
    335 	} p1;
    336 	struct {
    337 		uint32_t
    338 			  id:2,
    339 			  phy_id:6,
    340 			  sequel:1,
    341 			  sequence_num:3,
    342 			  :2,
    343 			  port11:2,
    344 			  port12:2,
    345 			  port13:2,
    346 			  port14:2,
    347 			  port15:2,
    348 			  :8;
    349 	} p2;
    350 };
    351 #else
    352 union fw_self_id {
    353 	struct {
    354 		uint32_t  more_packets:1,
    355 			  initiated_reset:1,
    356 			  port2:2,
    357 			  port1:2,
    358 			  port0:2,
    359 			  power_class:3,
    360 			  contender:1,
    361 			  reserved:2,
    362 			  phy_speed:2,
    363 			  gap_count:6,
    364 			  link_active:1,
    365 			  sequel:1,
    366 			  phy_id:6,
    367 			  id:2;
    368 	} p0;
    369 	struct {
    370 		uint32_t  more_packets:1,
    371 			  reserved1:1,
    372 			  port10:2,
    373 			  port9:2,
    374 			  port8:2,
    375 			  port7:2,
    376 			  port6:2,
    377 			  port5:2,
    378 			  port4:2,
    379 			  port3:2,
    380 			  reserved2:2,
    381 			  sequence_num:3,
    382 			  sequel:1,
    383 			  phy_id:6,
    384 			  id:2;
    385 	} p1;
    386 	struct {
    387 		uint32_t
    388 			  reserved3:8,
    389 			  port15:2,
    390 			  port14:2,
    391 			  port13:2,
    392 			  port12:2,
    393 			  port11:2,
    394 			  reserved4:2,
    395 			  sequence_num:3,
    396 			  sequel:1,
    397 			  phy_id:6,
    398 			  id:2;
    399 	} p2;
    400 };
    401 #endif
    402 
    403 
    404 struct fw_topology_map {
    405 	uint32_t crc:16,
    406 		 crc_len:16;
    407 	uint32_t generation;
    408 	uint32_t self_id_count:16,
    409 		 node_count:16;
    410 	union fw_self_id self_id[4*64];
    411 };
    412 
    413 struct fw_speed_map {
    414 	uint32_t crc:16,
    415 		 crc_len:16;
    416 	uint32_t generation;
    417 	uint8_t  speed[64][64];
    418 };
    419 
    420 struct fw_crom_buf {
    421 	struct fw_eui64 eui;
    422 	uint32_t len;
    423 	void *ptr;
    424 };
    425 
    426 /*
    427  * FireWire specific system requests.
    428  */
    429 #define	FW_SSTBUF	_IOWR('S', 86, struct fw_isobufreq)
    430 #define	FW_GSTBUF	_IOWR('S', 87, struct fw_isobufreq)
    431 #define	FW_SRSTREAM	_IOWR('S', 88, struct fw_isochreq)
    432 #define	FW_GRSTREAM	_IOWR('S', 89, struct fw_isochreq)
    433 #define	FW_STSTREAM	_IOWR('S', 90, struct fw_isochreq)
    434 #define	FW_GTSTREAM	_IOWR('S', 91, struct fw_isochreq)
    435 
    436 #define	FW_ASYREQ	_IOWR('S', 92, struct fw_asyreq)
    437 #define FW_IBUSRST	_IOR('S', 1, unsigned int)
    438 #define FW_GDEVLST	_IOWR('S', 2, struct fw_devlstreq)
    439 #define	FW_SBINDADDR	_IOWR('S', 3, struct fw_asybindreq)
    440 #define	FW_CBINDADDR	_IOWR('S', 4, struct fw_asybindreq)
    441 #define	FW_GTPMAP	_IOR('S', 5, struct fw_topology_map)
    442 #define	FW_GCROM	_IOWR('S', 7, struct fw_crom_buf)
    443 
    444 #define	FW_SDEUI64	_IOW('S', 20, struct fw_eui64)
    445 #define	FW_GDEUI64	_IOR('S', 21, struct fw_eui64)
    446 
    447 #define FWOHCI_RDREG	_IOWR('S', 80, struct fw_reg_req_t)
    448 #define FWOHCI_WRREG	_IOWR('S', 81, struct fw_reg_req_t)
    449 #define FWOHCI_RDPHYREG	_IOWR('S', 82, struct fw_reg_req_t)
    450 #define FWOHCI_WRPHYREG	_IOWR('S', 83, struct fw_reg_req_t)
    451 
    452 #define DUMPDMA		_IOWR('S', 82, uint32_t)
    453 
    454 #ifdef _KERNEL
    455 
    456 #define FWMAXNDMA 0x100 /* 8 bits DMA channel id. in device No. */
    457 
    458 #define unit2minor(x)	(((x) & 0xff) | (((x) << 12) & ~0xfffff))
    459 #define MAKEMINOR(f, u, s) ((f) | (((u) & 0xff) << 8) | ((s) & 0xff))
    460 #define DEV2UNIT(x)	((minor(x) & 0xff00) >> 8)
    461 #define DEV2SUB(x)	(minor(x) & 0xff)
    462 #define FW_UNITMASK	MAKEMINOR(0, -1, 0)
    463 #define FW_UNIT(unit)	MAKEMINOR(0, unit, 0)
    464 
    465 #define FWMEM_FLAG	0x10000
    466 #define DEV_FWMEM(x)	(minor(x) & FWMEM_FLAG)
    467 
    468 struct fw_attach_args {
    469 	const char *name;
    470 	struct firewire_comm *fc;
    471 	struct fw_device *fwdev;
    472 };
    473 
    474 #endif
    475 #endif	/* _FIREWIRE_H_ */
    476