firewire.c revision 103285
1103285Sikob/* 2103285Sikob * Copyright (c) 1998-2002 Katsushi Kobayashi and Hidetoshi Shimokawa 3103285Sikob * All rights reserved. 4103285Sikob * 5103285Sikob * Redistribution and use in source and binary forms, with or without 6103285Sikob * modification, are permitted provided that the following conditions 7103285Sikob * are met: 8103285Sikob * 1. Redistributions of source code must retain the above copyright 9103285Sikob * notice, this list of conditions and the following disclaimer. 10103285Sikob * 2. Redistributions in binary form must reproduce the above copyright 11103285Sikob * notice, this list of conditions and the following disclaimer in the 12103285Sikob * documentation and/or other materials provided with the distribution. 13103285Sikob * 3. All advertising materials mentioning features or use of this software 14103285Sikob * must display the acknowledgement as bellow: 15103285Sikob * 16103285Sikob * This product includes software developed by K. Kobayashi and H. Shimokawa 17103285Sikob * 18103285Sikob * 4. The name of the author may not be used to endorse or promote products 19103285Sikob * derived from this software without specific prior written permission. 20103285Sikob * 21103285Sikob * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 22103285Sikob * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 23103285Sikob * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 24103285Sikob * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, 25103285Sikob * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 26103285Sikob * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 27103285Sikob * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28103285Sikob * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 29103285Sikob * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN 30103285Sikob * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 31103285Sikob * POSSIBILITY OF SUCH DAMAGE. 32103285Sikob * 33103285Sikob * $FreeBSD: head/sys/dev/firewire/firewire.c 103285 2002-09-13 12:31:56Z ikob $ 34103285Sikob * 35103285Sikob */ 36103285Sikob 37103285Sikob#include <sys/param.h> 38103285Sikob#include <sys/systm.h> 39103285Sikob#include <sys/types.h> 40103285Sikob#include <sys/mbuf.h> 41103285Sikob#include <sys/socket.h> 42103285Sikob#include <sys/socketvar.h> 43103285Sikob 44103285Sikob#include <sys/kernel.h> 45103285Sikob#include <sys/malloc.h> 46103285Sikob#include <sys/conf.h> 47103285Sikob#include <sys/uio.h> 48103285Sikob#include <sys/sysctl.h> 49103285Sikob#include <sys/poll.h> 50103285Sikob 51103285Sikob#include <machine/cpufunc.h> /* for rdtsc proto for clock.h below */ 52103285Sikob#include <machine/clock.h> 53103285Sikob#include <pci/pcivar.h> 54103285Sikob#include <pci/pcireg.h> 55103285Sikob 56103285Sikob#include <vm/vm.h> 57103285Sikob#include <vm/pmap.h> /* for vtophys proto */ 58103285Sikob#include <vm/vm_extern.h> 59103285Sikob 60103285Sikob#include <sys/bus.h> /* used by smbus and newbus */ 61103285Sikob 62103285Sikob#include <machine/bus.h> /* used by newbus */ 63103285Sikob#include <sys/rman.h> /* used by newbus */ 64103285Sikob#include <machine/resource.h> /* used by newbus */ 65103285Sikob 66103285Sikob#include <sys/signal.h> 67103285Sikob#include <sys/mman.h> 68103285Sikob#include <sys/ioccom.h> 69103285Sikob 70103285Sikob#include <dev/firewire/firewire.h> 71103285Sikob#include <dev/firewire/firewirereg.h> 72103285Sikob#include <dev/firewire/fwmem.h> 73103285Sikob#include <dev/firewire/iec13213.h> 74103285Sikob#include <dev/firewire/iec68113.h> 75103285Sikob 76103285Sikobint firewire_debug=0; 77103285SikobSYSCTL_NODE(_hw, OID_AUTO, firewire, CTLFLAG_RD, 0, "Firewire Subsystem"); 78103285SikobSYSCTL_INT(_debug, OID_AUTO, firewire_debug, CTLFLAG_RW, &firewire_debug, 0, 79103285Sikob "Firewire driver debug flag"); 80103285Sikob 81103285Sikob#define CDEV_MAJOR 127 82103285Sikob#define FW_MAXASYRTY 4 83103285Sikob#define FW_MAXDEVRCNT 4 84103285Sikob#define FWNODE_INVAL 0xffff 85103285Sikob 86103285Sikob#define XFER_TIMEOUT 0 87103285Sikob 88103285Sikobstatic d_open_t fw_open; 89103285Sikobstatic d_close_t fw_close; 90103285Sikobstatic d_ioctl_t fw_ioctl; 91103285Sikobstatic d_poll_t fw_poll; 92103285Sikobstatic d_read_t fw_read; /* for Isochronous packet */ 93103285Sikobstatic d_write_t fw_write; 94103285Sikobstatic d_mmap_t fw_mmap; 95103285Sikob 96103285Sikobdevclass_t firewire_devclass; 97103285Sikob 98103285Sikob 99103285Sikobstatic int firewire_match __P((device_t)); 100103285Sikobstatic int firewire_attach __P((device_t)); 101103285Sikobstatic int firewire_detach __P((device_t)); 102103285Sikob#if 0 103103285Sikobstatic int firewire_shutdown __P((device_t)); 104103285Sikob#endif 105103285Sikobstatic device_t firewire_add_child __P((device_t, int, const char *, int)); 106103285Sikobstatic struct fw_bind *fw_bindlookup __P((struct firewire_comm *, u_int32_t, u_int32_t)); 107103285Sikobstatic void fw_try_bmr __P((void *)); 108103285Sikobstatic void fw_try_bmr_callback __P((struct fw_xfer *)); 109103285Sikobstatic u_int16_t fw_noderesolve __P((struct firewire_comm *, struct fw_eui64)); 110103285Sikobstatic void fw_asystart __P((struct fw_xfer *)); 111103285Sikobstatic int fw_get_tlabel __P((struct firewire_comm *, struct fw_xfer *)); 112103285Sikobstatic void fw_bus_probe __P((struct firewire_comm *)); 113103285Sikobstatic void fw_bus_explore __P((struct firewire_comm *)); 114103285Sikobstatic void fw_bus_explore_callback __P((struct fw_xfer *)); 115103285Sikobstatic void fw_attach_dev __P((struct firewire_comm *)); 116103285Sikobstatic void fw_vmaccess __P((struct fw_xfer *)); 117103285Sikobstruct fw_xfer *asyreqq __P((struct firewire_comm *, u_int8_t, u_int8_t, u_int8_t, 118103285Sikob u_int32_t, u_int32_t, void __P(*))); 119103285Sikob 120103285Sikobstatic device_method_t firewire_methods[] = { 121103285Sikob /* Device interface */ 122103285Sikob DEVMETHOD(device_probe, firewire_match), 123103285Sikob DEVMETHOD(device_attach, firewire_attach), 124103285Sikob DEVMETHOD(device_detach, firewire_detach), 125103285Sikob DEVMETHOD(device_shutdown, bus_generic_shutdown), 126103285Sikob 127103285Sikob /* Bus interface */ 128103285Sikob DEVMETHOD(bus_add_child, firewire_add_child), 129103285Sikob DEVMETHOD(bus_print_child, bus_generic_print_child), 130103285Sikob 131103285Sikob { 0, 0 } 132103285Sikob}; 133103285Sikobchar linkspeed[7][0x10]={"S100","S200","S400","S800","S1600","S3200","Unknown"}; 134103285Sikobu_int maxrec[6]={512,1024,2048,4096,8192,0}; 135103285Sikob 136103285Sikob#define MAX_GAPHOP 16 137103285Sikobu_int gap_cnt[] = {1, 1, 4, 6, 9, 12, 14, 17, 138103285Sikob 20, 23, 25, 28, 31, 33, 36, 39, 42}; 139103285Sikob/* 140103285Sikob * The probe routine. 141103285Sikob */ 142103285Sikobstruct cdevsw firewire_cdevsw = 143103285Sikob{ 144103285Sikob fw_open, fw_close, fw_read, fw_write, fw_ioctl, 145103285Sikob fw_poll, fw_mmap, nostrategy, "fw", CDEV_MAJOR, nodump, nopsize, D_MEM 146103285Sikob}; 147103285Sikobstatic driver_t firewire_driver = { 148103285Sikob "firewire", 149103285Sikob firewire_methods, 150103285Sikob sizeof(struct firewire_softc), 151103285Sikob}; 152103285Sikob 153103285Sikobstatic int 154103285Sikobfw_open (dev_t dev, int flags, int fmt, fw_proc *td) 155103285Sikob{ 156103285Sikob struct firewire_softc *sc; 157103285Sikob int unit = DEV2UNIT(dev); 158103285Sikob int sub = DEV2DMACH(dev); 159103285Sikob 160103285Sikob int err = 0; 161103285Sikob 162103285Sikob if (DEV_FWMEM(dev)) 163103285Sikob return fwmem_open(dev, flags, fmt, td); 164103285Sikob 165103285Sikob sc = devclass_get_softc(firewire_devclass, unit); 166103285Sikob if(sc->fc->ir[sub]->flag & FWXFERQ_OPEN){ 167103285Sikob err = EBUSY; 168103285Sikob return err; 169103285Sikob } 170103285Sikob if(sc->fc->it[sub]->flag & FWXFERQ_OPEN){ 171103285Sikob err = EBUSY; 172103285Sikob return err; 173103285Sikob } 174103285Sikob if(sc->fc->ir[sub]->flag & FWXFERQ_MODEMASK){ 175103285Sikob err = EBUSY; 176103285Sikob return err; 177103285Sikob } 178103285Sikob/* Default is per packet mode */ 179103285Sikob sc->fc->ir[sub]->flag |= FWXFERQ_OPEN; 180103285Sikob sc->fc->it[sub]->flag |= FWXFERQ_OPEN; 181103285Sikob sc->fc->ir[sub]->flag |= FWXFERQ_PACKET; 182103285Sikob return err; 183103285Sikob} 184103285Sikobstatic int 185103285Sikobfw_close (dev_t dev, int flags, int fmt, fw_proc *td) 186103285Sikob{ 187103285Sikob struct firewire_softc *sc; 188103285Sikob int unit = DEV2UNIT(dev); 189103285Sikob int sub = DEV2DMACH(dev); 190103285Sikob struct fw_xfer *xfer; 191103285Sikob struct fw_dvbuf *dvbuf; 192103285Sikob struct fw_bind *fwb; 193103285Sikob int err = 0; 194103285Sikob 195103285Sikob if (DEV_FWMEM(dev)) 196103285Sikob return fwmem_close(dev, flags, fmt, td); 197103285Sikob 198103285Sikob sc = devclass_get_softc(firewire_devclass, unit); 199103285Sikob if(!(sc->fc->ir[sub]->flag & FWXFERQ_OPEN)){ 200103285Sikob err = EINVAL; 201103285Sikob return err; 202103285Sikob } 203103285Sikob sc->fc->ir[sub]->flag &= ~FWXFERQ_OPEN; 204103285Sikob if(!(sc->fc->it[sub]->flag & FWXFERQ_OPEN)){ 205103285Sikob err = EINVAL; 206103285Sikob return err; 207103285Sikob } 208103285Sikob sc->fc->it[sub]->flag &= ~FWXFERQ_OPEN; 209103285Sikob 210103285Sikob if(sc->fc->ir[sub]->flag & FWXFERQ_RUNNING){ 211103285Sikob sc->fc->irx_disable(sc->fc, sub); 212103285Sikob } 213103285Sikob if(sc->fc->it[sub]->flag & FWXFERQ_RUNNING){ 214103285Sikob sc->fc->it[sub]->flag &= ~FWXFERQ_RUNNING; 215103285Sikob sc->fc->itx_disable(sc->fc, sub); 216103285Sikob } 217103285Sikob if(sc->fc->it[sub]->flag & FWXFERQ_DV){ 218103285Sikob if((dvbuf = sc->fc->it[sub]->dvproc) != NULL){ 219103285Sikob free(dvbuf->buf, M_DEVBUF); 220103285Sikob sc->fc->it[sub]->dvproc = NULL; 221103285Sikob } 222103285Sikob if((dvbuf = sc->fc->it[sub]->dvdma) != NULL){ 223103285Sikob free(dvbuf->buf, M_DEVBUF); 224103285Sikob sc->fc->it[sub]->dvdma = NULL; 225103285Sikob } 226103285Sikob while((dvbuf = STAILQ_FIRST(&sc->fc->it[sub]->dvvalid)) != NULL){ 227103285Sikob STAILQ_REMOVE_HEAD(&sc->fc->it[sub]->dvvalid, link); 228103285Sikob free(dvbuf->buf, M_DEVBUF); 229103285Sikob } 230103285Sikob while((dvbuf = STAILQ_FIRST(&sc->fc->it[sub]->dvfree)) != NULL){ 231103285Sikob STAILQ_REMOVE_HEAD(&sc->fc->it[sub]->dvfree, link); 232103285Sikob free(dvbuf->buf, M_DEVBUF); 233103285Sikob } 234103285Sikob free(sc->fc->it[sub]->dvbuf, M_DEVBUF); 235103285Sikob sc->fc->it[sub]->dvbuf = NULL; 236103285Sikob } 237103285Sikob if(sc->fc->ir[sub]->flag & FWXFERQ_EXTBUF){ 238103285Sikob free(sc->fc->ir[sub]->buf, M_DEVBUF); 239103285Sikob sc->fc->ir[sub]->buf = NULL; 240103285Sikob free(sc->fc->ir[sub]->bulkxfer, M_DEVBUF); 241103285Sikob sc->fc->ir[sub]->bulkxfer = NULL; 242103285Sikob sc->fc->ir[sub]->flag &= ~FWXFERQ_EXTBUF; 243103285Sikob sc->fc->ir[sub]->psize = FWPMAX_S400; 244103285Sikob sc->fc->ir[sub]->maxq = FWMAXQUEUE; 245103285Sikob } 246103285Sikob if(sc->fc->it[sub]->flag & FWXFERQ_EXTBUF){ 247103285Sikob free(sc->fc->it[sub]->buf, M_DEVBUF); 248103285Sikob sc->fc->it[sub]->buf = NULL; 249103285Sikob free(sc->fc->it[sub]->bulkxfer, M_DEVBUF); 250103285Sikob sc->fc->it[sub]->bulkxfer = NULL; 251103285Sikob sc->fc->it[sub]->dvbuf = NULL; 252103285Sikob sc->fc->it[sub]->flag &= ~FWXFERQ_EXTBUF; 253103285Sikob sc->fc->it[sub]->psize = FWPMAX_S400; 254103285Sikob sc->fc->it[sub]->maxq = FWMAXQUEUE; 255103285Sikob } 256103285Sikob for(xfer = STAILQ_FIRST(&sc->fc->ir[sub]->q); 257103285Sikob xfer != NULL; xfer = STAILQ_FIRST(&sc->fc->ir[sub]->q)){ 258103285Sikob sc->fc->ir[sub]->queued--; 259103285Sikob STAILQ_REMOVE_HEAD(&sc->fc->ir[sub]->q, link); 260103285Sikob 261103285Sikob xfer->resp = 0; 262103285Sikob switch(xfer->act_type){ 263103285Sikob case FWACT_XFER: 264103285Sikob fw_xfer_done(xfer); 265103285Sikob break; 266103285Sikob default: 267103285Sikob break; 268103285Sikob } 269103285Sikob fw_xfer_free(xfer); 270103285Sikob } 271103285Sikob for(fwb = STAILQ_FIRST(&sc->fc->ir[sub]->binds); fwb != NULL; 272103285Sikob fwb = STAILQ_FIRST(&sc->fc->ir[sub]->binds)){ 273103285Sikob STAILQ_REMOVE(&sc->fc->binds, fwb, fw_bind, fclist); 274103285Sikob STAILQ_REMOVE_HEAD(&sc->fc->ir[sub]->binds, chlist); 275103285Sikob free(fwb, M_DEVBUF); 276103285Sikob } 277103285Sikob sc->fc->ir[sub]->flag &= ~FWXFERQ_MODEMASK; 278103285Sikob sc->fc->it[sub]->flag &= ~FWXFERQ_MODEMASK; 279103285Sikob return err; 280103285Sikob} 281103285Sikob/* 282103285Sikob * read request. 283103285Sikob */ 284103285Sikobstatic int 285103285Sikobfw_read (dev_t dev, struct uio *uio, int ioflag) 286103285Sikob{ 287103285Sikob struct firewire_softc *sc; 288103285Sikob struct fw_xferq *ir; 289103285Sikob struct fw_xfer *xfer; 290103285Sikob int err = 0, s, slept = 0; 291103285Sikob int unit = DEV2UNIT(dev); 292103285Sikob int sub = DEV2DMACH(dev); 293103285Sikob struct fw_pkt *fp; 294103285Sikob 295103285Sikob if (DEV_FWMEM(dev)) 296103285Sikob return fwmem_read(dev, uio, ioflag); 297103285Sikob 298103285Sikob sc = devclass_get_softc(firewire_devclass, unit); 299103285Sikob 300103285Sikob ir = sc->fc->ir[sub]; 301103285Sikob 302103285Sikob if(ir->flag & FWXFERQ_PACKET){ 303103285Sikob ir->stproc = NULL; 304103285Sikob } 305103285Sikobreadloop: 306103285Sikob xfer = STAILQ_FIRST(&ir->q); 307103285Sikob if(!(ir->flag & FWXFERQ_PACKET) && ir->stproc == NULL){ 308103285Sikob ir->stproc = STAILQ_FIRST(&ir->stvalid); 309103285Sikob if(ir->stproc != NULL){ 310103285Sikob s = splfw(); 311103285Sikob STAILQ_REMOVE_HEAD(&ir->stvalid, link); 312103285Sikob splx(s); 313103285Sikob ir->queued = 0; 314103285Sikob } 315103285Sikob } 316103285Sikob 317103285Sikob if(xfer == NULL && ir->stproc == NULL){ 318103285Sikob if(slept == 0){ 319103285Sikob slept = 1; 320103285Sikob if(!(ir->flag & FWXFERQ_RUNNING) 321103285Sikob && (ir->flag & FWXFERQ_PACKET)){ 322103285Sikob err = sc->fc->irx_enable(sc->fc, sub); 323103285Sikob } 324103285Sikob if(err){ 325103285Sikob return err; 326103285Sikob } 327103285Sikob ir->flag |= FWXFERQ_WAKEUP; 328103285Sikob err = tsleep((caddr_t)ir, FWPRI, "fw_read", hz); 329103285Sikob if(err){ 330103285Sikob ir->flag &= ~FWXFERQ_WAKEUP; 331103285Sikob return err; 332103285Sikob } 333103285Sikob goto readloop; 334103285Sikob }else{ 335103285Sikob err = EIO; 336103285Sikob return err; 337103285Sikob } 338103285Sikob }else if(xfer != NULL){ 339103285Sikob s = splfw(); 340103285Sikob ir->queued --; 341103285Sikob STAILQ_REMOVE_HEAD(&ir->q, link); 342103285Sikob splx(s); 343103285Sikob fp = (struct fw_pkt *)(xfer->recv.buf + xfer->recv.off); 344103285Sikob if(sc->fc->irx_post != NULL) 345103285Sikob sc->fc->irx_post(sc->fc, fp->mode.ld); 346103285Sikob err = uiomove(xfer->recv.buf + xfer->recv.off, xfer->recv.len, uio); 347103285Sikob fw_xfer_free( xfer); 348103285Sikob }else if(ir->stproc != NULL){ 349103285Sikob fp = (struct fw_pkt *)(ir->stproc->buf + ir->queued * ir->psize); 350103285Sikob if(sc->fc->irx_post != NULL) 351103285Sikob sc->fc->irx_post(sc->fc, fp->mode.ld); 352103285Sikob if(ntohs(fp->mode.stream.len) == 0){ 353103285Sikob err = EIO; 354103285Sikob return err; 355103285Sikob } 356103285Sikob err = uiomove((caddr_t)fp, ntohs(fp->mode.stream.len) + sizeof(u_int32_t), uio); 357103285Sikob fp->mode.stream.len = 0; 358103285Sikob ir->queued ++; 359103285Sikob if(ir->queued >= ir->bnpacket){ 360103285Sikob s = splfw(); 361103285Sikob ir->stproc->flag = 0; 362103285Sikob STAILQ_INSERT_TAIL(&ir->stfree, ir->stproc, link); 363103285Sikob splx(s); 364103285Sikob ir->stproc = NULL; 365103285Sikob } 366103285Sikob } 367103285Sikob#if 0 368103285Sikob if(STAILQ_FIRST(&ir->q) == NULL && 369103285Sikob (ir->flag & FWXFERQ_RUNNING) && (ir->flag & FWXFERQ_PACKET)){ 370103285Sikob err = sc->fc->irx_enable(sc->fc, sub); 371103285Sikob } 372103285Sikob#endif 373103285Sikob#if 0 374103285Sikob if(STAILQ_FIRST(&ir->stvalid) == NULL && 375103285Sikob (ir->flag & FWXFERQ_RUNNING) && !(ir->flag & FWXFERQ_PACKET)){ 376103285Sikob err = sc->fc->irx_enable(sc->fc, sub); 377103285Sikob } 378103285Sikob#endif 379103285Sikob return err; 380103285Sikob} 381103285Sikobstatic int 382103285Sikobfw_write (dev_t dev, struct uio *uio, int ioflag) 383103285Sikob{ 384103285Sikob int err = 0; 385103285Sikob struct firewire_softc *sc; 386103285Sikob int unit = DEV2UNIT(dev); 387103285Sikob int sub = DEV2DMACH(dev); 388103285Sikob int tl, s, slept = 0; 389103285Sikob struct fw_pkt *fp; 390103285Sikob struct fw_xfer *xfer; 391103285Sikob struct fw_xferq *xferq; 392103285Sikob struct firewire_comm *fc; 393103285Sikob struct fw_xferq *it; 394103285Sikob 395103285Sikob if (DEV_FWMEM(dev)) 396103285Sikob return fwmem_write(dev, uio, ioflag); 397103285Sikob 398103285Sikob sc = devclass_get_softc(firewire_devclass, unit); 399103285Sikob fc = sc->fc; 400103285Sikob it = sc->fc->it[sub]; 401103285Sikob 402103285Sikob fp = (struct fw_pkt *)uio->uio_iov->iov_base; 403103285Sikob switch(fp->mode.common.tcode){ 404103285Sikob case FWTCODE_RREQQ: 405103285Sikob case FWTCODE_RREQB: 406103285Sikob case FWTCODE_LREQ: 407103285Sikob err = EINVAL; 408103285Sikob return err; 409103285Sikob case FWTCODE_WREQQ: 410103285Sikob case FWTCODE_WREQB: 411103285Sikob xferq = fc->atq; 412103285Sikob break; 413103285Sikob case FWTCODE_STREAM: 414103285Sikob if(it->flag & FWXFERQ_PACKET){ 415103285Sikob xferq = fc->atq; 416103285Sikob }else{ 417103285Sikob xferq = NULL; 418103285Sikob } 419103285Sikob break; 420103285Sikob case FWTCODE_WRES: 421103285Sikob case FWTCODE_RRESQ: 422103285Sikob case FWTCODE_RRESB: 423103285Sikob case FWTCODE_LRES: 424103285Sikob xferq = fc->ats; 425103285Sikob break; 426103285Sikob default: 427103285Sikob err = EINVAL; 428103285Sikob return err; 429103285Sikob } 430103285Sikob /* Discard unsent buffered stream packet, when sending Asyrequrst */ 431103285Sikob if(xferq != NULL && it->stproc != NULL){ 432103285Sikob s = splfw(); 433103285Sikob it->stproc->flag = 0; 434103285Sikob STAILQ_INSERT_TAIL(&it->stfree, it->stproc, link); 435103285Sikob splx(s); 436103285Sikob it->stproc = NULL; 437103285Sikob } 438103285Sikob if(xferq == NULL && !(it->flag & FWXFERQ_DV)){ 439103285Sikobisoloop: 440103285Sikob if(it->stproc == NULL){ 441103285Sikob it->stproc = STAILQ_FIRST(&it->stfree); 442103285Sikob if(it->stproc != NULL){ 443103285Sikob s = splfw(); 444103285Sikob STAILQ_REMOVE_HEAD(&it->stfree, link); 445103285Sikob splx(s); 446103285Sikob it->queued = 0; 447103285Sikob }else if(slept == 0){ 448103285Sikob slept = 1; 449103285Sikob err = sc->fc->itx_enable(sc->fc, sub); 450103285Sikob if(err){ 451103285Sikob return err; 452103285Sikob } 453103285Sikob err = tsleep((caddr_t)it, FWPRI, "fw_write", hz); 454103285Sikob if(err){ 455103285Sikob return err; 456103285Sikob } 457103285Sikob goto isoloop; 458103285Sikob }else{ 459103285Sikob err = EIO; 460103285Sikob return err; 461103285Sikob } 462103285Sikob } 463103285Sikob fp = (struct fw_pkt *)(it->stproc->buf + it->queued * it->psize); 464103285Sikob fp->mode.stream.len = htons(uio->uio_resid - sizeof(u_int32_t)); 465103285Sikob err = uiomove(it->stproc->buf + it->queued * it->psize, 466103285Sikob uio->uio_resid, uio); 467103285Sikob it->queued ++; 468103285Sikob if(it->queued >= it->btpacket){ 469103285Sikob s = splfw(); 470103285Sikob STAILQ_INSERT_TAIL(&it->stvalid, it->stproc, link); 471103285Sikob splx(s); 472103285Sikob it->stproc = NULL; 473103285Sikob fw_tbuf_update(sc->fc, sub, 0); 474103285Sikob err = sc->fc->itx_enable(sc->fc, sub); 475103285Sikob } 476103285Sikob return err; 477103285Sikob } if(xferq == NULL && it->flag & FWXFERQ_DV){ 478103285Sikobdvloop: 479103285Sikob if(it->dvproc == NULL){ 480103285Sikob it->dvproc = STAILQ_FIRST(&it->dvfree); 481103285Sikob if(it->dvproc != NULL){ 482103285Sikob s = splfw(); 483103285Sikob STAILQ_REMOVE_HEAD(&it->dvfree, link); 484103285Sikob splx(s); 485103285Sikob it->dvptr = 0; 486103285Sikob }else if(slept == 0){ 487103285Sikob slept = 1; 488103285Sikob err = sc->fc->itx_enable(sc->fc, sub); 489103285Sikob if(err){ 490103285Sikob return err; 491103285Sikob } 492103285Sikob err = tsleep((caddr_t)it, FWPRI, "fw_write", hz); 493103285Sikob if(err){ 494103285Sikob return err; 495103285Sikob } 496103285Sikob goto dvloop; 497103285Sikob }else{ 498103285Sikob err = EIO; 499103285Sikob return err; 500103285Sikob } 501103285Sikob } 502103285Sikob fp = (struct fw_pkt *)(it->dvproc->buf + it->queued * it->psize); 503103285Sikob fp->mode.stream.len = htons(uio->uio_resid - sizeof(u_int32_t)); 504103285Sikob err = uiomove(it->dvproc->buf + it->dvptr, 505103285Sikob uio->uio_resid, uio); 506103285Sikob it->dvptr += it->psize; 507103285Sikob if(err){ 508103285Sikob return err; 509103285Sikob } 510103285Sikob if(it->dvptr >= it->psize * it->dvpacket){ 511103285Sikob s = splfw(); 512103285Sikob STAILQ_INSERT_TAIL(&it->dvvalid, it->dvproc, link); 513103285Sikob splx(s); 514103285Sikob it->dvproc = NULL; 515103285Sikob err = fw_tbuf_update(sc->fc, sub, 0); 516103285Sikob if(err){ 517103285Sikob return err; 518103285Sikob } 519103285Sikob err = sc->fc->itx_enable(sc->fc, sub); 520103285Sikob } 521103285Sikob return err; 522103285Sikob } 523103285Sikob if(xferq != NULL){ 524103285Sikob xfer = fw_xfer_alloc(); 525103285Sikob if(xfer == NULL){ 526103285Sikob err = ENOMEM; 527103285Sikob return err; 528103285Sikob } 529103285Sikob xfer->send.buf = malloc(uio->uio_resid, M_DEVBUF, M_NOWAIT); 530103285Sikob if(xfer->send.buf == NULL){ 531103285Sikob fw_xfer_free( xfer); 532103285Sikob err = ENOBUFS; 533103285Sikob return err; 534103285Sikob } 535103285Sikob xfer->dst = ntohs(fp->mode.hdr.dst); 536103285Sikob 537103285Sikob switch(fp->mode.common.tcode){ 538103285Sikob case FWTCODE_WREQQ: 539103285Sikob case FWTCODE_WREQB: 540103285Sikob if((tl = fw_get_tlabel(fc, xfer)) == -1 ){ 541103285Sikob fw_xfer_free( xfer); 542103285Sikob err = EAGAIN; 543103285Sikob return err; 544103285Sikob } 545103285Sikob fp->mode.hdr.tlrt = tl << 2; 546103285Sikob default: 547103285Sikob break; 548103285Sikob } 549103285Sikob 550103285Sikob xfer->tl = fp->mode.hdr.tlrt >> 2; 551103285Sikob xfer->send.len = uio->uio_resid; 552103285Sikob xfer->send.off = 0; 553103285Sikob xfer->tcode = fp->mode.common.tcode; 554103285Sikob xfer->spd = 0;/* XXX: how to setup it */ 555103285Sikob xfer->fc = fc; 556103285Sikob xfer->q = xferq; 557103285Sikob xfer->act_type = FWACT_XFER; 558103285Sikob xfer->act.hand = fw_asy_callback; 559103285Sikob xfer->retry_req = fw_asybusy; 560103285Sikob 561103285Sikob err = uiomove(xfer->send.buf, uio->uio_resid, uio); 562103285Sikob if(err){ 563103285Sikob return err; 564103285Sikob } 565103285Sikob fw_asystart(xfer); 566103285Sikob err = tsleep((caddr_t)xfer, FWPRI, "fw_write", hz); 567103285Sikob if(xfer->resp == EBUSY) 568103285Sikob return EBUSY; 569103285Sikob fw_xfer_free( xfer); 570103285Sikob return err; 571103285Sikob } 572103285Sikob return EINVAL; 573103285Sikob} 574103285Sikob/* 575103285Sikob * transmitter buffer update. 576103285Sikob */ 577103285Sikobint 578103285Sikobfw_tbuf_update(struct firewire_comm *fc, int sub, int flag){ 579103285Sikob struct fw_bulkxfer *bulkxfer, *bulkxfer2 = NULL; 580103285Sikob struct fw_dvbuf *dvbuf = NULL; 581103285Sikob struct fw_xferq *it; 582103285Sikob int s, err = 0, i, j, chtag; 583103285Sikob struct fw_pkt *fp; 584103285Sikob u_int64_t tmpsync, dvsync; 585103285Sikob 586103285Sikob it = fc->it[sub]; 587103285Sikob 588103285Sikob s = splfw(); 589103285Sikob if(it->stdma == NULL){ 590103285Sikob bulkxfer = STAILQ_FIRST(&it->stvalid); 591103285Sikob }else if(flag != 0){ 592103285Sikob bulkxfer = STAILQ_FIRST(&it->stvalid); 593103285Sikob if(bulkxfer == it->stdma){ 594103285Sikob STAILQ_REMOVE_HEAD(&it->stvalid, link); 595103285Sikob it->stdma->flag = 0; 596103285Sikob STAILQ_INSERT_TAIL(&it->stfree, it->stdma, link); 597103285Sikob if(!(it->flag & FWXFERQ_DV)) 598103285Sikob wakeup(it); 599103285Sikob } 600103285Sikob bulkxfer = STAILQ_FIRST(&it->stvalid); 601103285Sikob }else{ 602103285Sikob bulkxfer = it->stdma; 603103285Sikob } 604103285Sikob splx(s); 605103285Sikob if(bulkxfer != NULL){ 606103285Sikob s = splfw(); 607103285Sikob bulkxfer2 = STAILQ_NEXT(bulkxfer, link); 608103285Sikob#if 0 609103285Sikob if(it->flag & FWXFERQ_DV && bulkxfer2 == NULL){ 610103285Sikob bulkxfer2 = STAILQ_FIRST(&it->stfree); 611103285Sikob STAILQ_REMOVE_HEAD(&it->stfree, link); 612103285Sikob splx(s); 613103285Sikob bcopy(bulkxfer->buf, bulkxfer2->buf, 614103285Sikob it->psize * it->btpacket); 615103285Sikob s = splfw(); 616103285Sikob STAILQ_INSERT_TAIL(&it->stvalid, bulkxfer2, link); 617103285Sikob } 618103285Sikob#endif 619103285Sikob splx(s); 620103285Sikob } 621103285Sikob it->stdma = bulkxfer; 622103285Sikob it->stdma2 = bulkxfer2; 623103285Sikob 624103285Sikob if(it->flag & FWXFERQ_DV){ 625103285Sikob chtag = it->flag & 0xff; 626103285Sikobdvloop: 627103285Sikob if(it->dvdma == NULL){ 628103285Sikob dvbuf = STAILQ_FIRST(&it->dvvalid); 629103285Sikob if(dvbuf != NULL){ 630103285Sikob s = splfw(); 631103285Sikob STAILQ_REMOVE_HEAD(&it->dvvalid, link); 632103285Sikob it->dvdma = dvbuf; 633103285Sikob splx(s); 634103285Sikob it->queued = 0; 635103285Sikob } 636103285Sikob } 637103285Sikob if(it->dvdma == NULL) 638103285Sikob return err; 639103285Sikob 640103285Sikob it->stproc = STAILQ_FIRST(&it->stfree); 641103285Sikob if(it->stproc != NULL){ 642103285Sikob s = splfw(); 643103285Sikob STAILQ_REMOVE_HEAD(&it->stfree, link); 644103285Sikob splx(s); 645103285Sikob }else{ 646103285Sikob return err; 647103285Sikob } 648103285Sikob/* 649103285Sikob * Insert least significant 12 bits timestamp value by computation. 650103285Sikob * Highest significant 4 bits is insert at just before packet sending. 651103285Sikob */ 652103285Sikob fp = (struct fw_pkt *)(it->stproc->buf); 653103285Sikob/* XXX: Parameter relies on NTSC type DV video */ 654103285Sikob tmpsync = 3072 * 8000 * 100 / 2997; 655103285Sikob tmpsync *= it->dvsync; 656103285Sikob dvsync = tmpsync; 657103285Sikob dvsync %= 0xc00; 658103285Sikob fp->mode.ld[2] = htonl(0x80000000 | (dvsync % 0xc00)); 659103285Sikob it->dvsync ++; 660103285Sikob it->dvsync %= 2997; 661103285Sikob 662103285Sikob for( i = 0, j = 0 ; i < it->dvpacket ; i++){ 663103285Sikob bcopy(it->dvdma->buf + it->queued * it->psize, 664103285Sikob it->stproc->buf + j * it->psize, it->psize); 665103285Sikob fp = (struct fw_pkt *)(it->stproc->buf + j * it->psize); 666103285Sikob fp->mode.stream.len = htons(488); 667103285Sikob fp->mode.stream.chtag = chtag; 668103285Sikob fp->mode.stream.tcode = FWTCODE_STREAM; 669103285Sikob fp->mode.ld[1] = htonl((fc->nodeid << 24) | 0x00780000 | it->dvdbc); 670103285Sikob it->dvdbc++; 671103285Sikob it->dvdbc %= 256; 672103285Sikob it->queued ++; 673103285Sikob j++; 674103285Sikob/* XXX: Parameter relies on NTSC type DV video */ 675103285Sikob#if 1 676103285Sikob#define DVDIFF 203 677103285Sikob#define DVFRAC 2997 678103285Sikob#else 679103285Sikob#define DVDIFF 127 680103285Sikob#define DVFRAC 1875 681103285Sikob#endif 682103285Sikob it->dvdiff += DVDIFF; 683103285Sikob if(it->dvdiff >= DVFRAC){ 684103285Sikob it->dvdiff %= DVFRAC; 685103285Sikob fp = (struct fw_pkt *)(it->stproc->buf + j * it->psize); 686103285Sikob 687103285Sikob fp->mode.stream.len = htons(0x8); 688103285Sikob fp->mode.stream.chtag = chtag; 689103285Sikob fp->mode.stream.tcode = FWTCODE_STREAM; 690103285Sikob fp->mode.ld[1] = htonl((fc->nodeid << 24) | 691103285Sikob 0x00780000 | it->dvdbc); 692103285Sikob j++; 693103285Sikob } 694103285Sikob } 695103285Sikob it->stproc->npacket = j; 696103285Sikob s = splfw(); 697103285Sikob STAILQ_INSERT_TAIL(&it->stvalid, it->stproc, link); 698103285Sikob splx(s); 699103285Sikob if(it->queued >= it->dvpacket){ 700103285Sikob s = splfw(); 701103285Sikob STAILQ_INSERT_TAIL(&it->dvfree, it->dvdma, link); 702103285Sikob it->dvdma = NULL; 703103285Sikob splx(s); 704103285Sikob wakeup(it); 705103285Sikob goto dvloop; 706103285Sikob } 707103285Sikob } 708103285Sikob return err; 709103285Sikob} 710103285Sikob/* 711103285Sikob * receving buffer update. 712103285Sikob */ 713103285Sikobint 714103285Sikobfw_rbuf_update(struct firewire_comm *fc, int sub, int flag){ 715103285Sikob struct fw_bulkxfer *bulkxfer, *bulkxfer2 = NULL; 716103285Sikob struct fw_xferq *ir; 717103285Sikob int s, err = 0; 718103285Sikob 719103285Sikob ir = fc->ir[sub]; 720103285Sikob s = splfw(); 721103285Sikob if(ir->stdma != NULL){ 722103285Sikob if(flag != 0){ 723103285Sikob STAILQ_INSERT_TAIL(&ir->stvalid, ir->stdma, link); 724103285Sikob }else{ 725103285Sikob ir->stdma->flag = 0; 726103285Sikob STAILQ_INSERT_TAIL(&ir->stfree, ir->stdma, link); 727103285Sikob } 728103285Sikob } 729103285Sikob if(ir->stdma2 != NULL){ 730103285Sikob bulkxfer = ir->stdma2; 731103285Sikob bulkxfer2 = STAILQ_FIRST(&ir->stfree); 732103285Sikob if(bulkxfer2 != NULL){ 733103285Sikob STAILQ_REMOVE_HEAD(&ir->stfree, link); 734103285Sikob } 735103285Sikob }else{ 736103285Sikob bulkxfer = STAILQ_FIRST(&ir->stfree); 737103285Sikob if(bulkxfer != NULL){ 738103285Sikob STAILQ_REMOVE_HEAD(&ir->stfree, link); 739103285Sikob bulkxfer2 = STAILQ_FIRST(&ir->stfree); 740103285Sikob if(bulkxfer2 != NULL){ 741103285Sikob STAILQ_REMOVE_HEAD(&ir->stfree, link); 742103285Sikob } 743103285Sikob }else{ 744103285Sikob bulkxfer = STAILQ_FIRST(&ir->stvalid); 745103285Sikob STAILQ_REMOVE_HEAD(&ir->stvalid, link); 746103285Sikob } 747103285Sikob } 748103285Sikob splx(s); 749103285Sikob ir->stdma = bulkxfer; 750103285Sikob ir->stdma2 = bulkxfer2; 751103285Sikob return err; 752103285Sikob} 753103285Sikob/* 754103285Sikob * ioctl support. 755103285Sikob */ 756103285Sikobint 757103285Sikobfw_ioctl (dev_t dev, u_long cmd, caddr_t data, int flag, fw_proc *td) 758103285Sikob{ 759103285Sikob struct firewire_softc *sc; 760103285Sikob int unit = DEV2UNIT(dev); 761103285Sikob int sub = DEV2DMACH(dev); 762103285Sikob int i, len, err = 0; 763103285Sikob struct fw_device *fwdev; 764103285Sikob struct fw_bind *fwb; 765103285Sikob struct fw_xferq *ir, *it; 766103285Sikob struct fw_xfer *xfer; 767103285Sikob struct fw_pkt *fp; 768103285Sikob 769103285Sikob struct fw_devlstreq *fwdevlst = (struct fw_devlstreq *)data; 770103285Sikob struct fw_asyreq *asyreq = (struct fw_asyreq *)data; 771103285Sikob struct fw_isochreq *ichreq = (struct fw_isochreq *)data; 772103285Sikob struct fw_isobufreq *ibufreq = (struct fw_isobufreq *)data; 773103285Sikob struct fw_asybindreq *bindreq = (struct fw_asybindreq *)data; 774103285Sikob#if 0 775103285Sikob struct fw_map_buf *map_buf = (struct fw_map_buf *)data; 776103285Sikob#endif 777103285Sikob struct fw_crom_buf *crom_buf = (struct fw_crom_buf *)data; 778103285Sikob 779103285Sikob if (DEV_FWMEM(dev)) 780103285Sikob return fwmem_ioctl(dev, cmd, data, flag, td); 781103285Sikob 782103285Sikob sc = devclass_get_softc(firewire_devclass, unit); 783103285Sikob if (!data) 784103285Sikob return(EINVAL); 785103285Sikob 786103285Sikob switch (cmd) { 787103285Sikob case FW_STSTREAM: 788103285Sikob sc->fc->it[sub]->flag &= ~0xff; 789103285Sikob sc->fc->it[sub]->flag |= (0x3f & ichreq->ch); 790103285Sikob sc->fc->it[sub]->flag |= ((0x3 & ichreq->tag) << 6); 791103285Sikob err = 0; 792103285Sikob break; 793103285Sikob case FW_GTSTREAM: 794103285Sikob ichreq->ch = sc->fc->it[sub]->flag & 0x3f; 795103285Sikob ichreq->tag =(sc->fc->it[sub]->flag) >> 2 & 0x3; 796103285Sikob err = 0; 797103285Sikob break; 798103285Sikob case FW_SRSTREAM: 799103285Sikob sc->fc->ir[sub]->flag &= ~0xff; 800103285Sikob sc->fc->ir[sub]->flag |= (0x3f & ichreq->ch); 801103285Sikob sc->fc->ir[sub]->flag |= ((0x3 & ichreq->tag) << 6); 802103285Sikob err = sc->fc->irx_enable(sc->fc, sub); 803103285Sikob break; 804103285Sikob case FW_GRSTREAM: 805103285Sikob ichreq->ch = sc->fc->ir[sub]->flag & 0x3f; 806103285Sikob ichreq->tag =(sc->fc->ir[sub]->flag) >> 2 & 0x3; 807103285Sikob err = 0; 808103285Sikob break; 809103285Sikob case FW_SSTDV: 810103285Sikob ibufreq = (struct fw_isobufreq *) 811103285Sikob malloc(sizeof(struct fw_isobufreq), M_DEVBUF, M_NOWAIT); 812103285Sikob if(ibufreq == NULL){ 813103285Sikob err = ENOMEM; 814103285Sikob break; 815103285Sikob } 816103285Sikob#define FWDVPACKET 250 817103285Sikob#define FWDVPMAX 512 818103285Sikob ibufreq->rx.nchunk = 8; 819103285Sikob ibufreq->rx.npacket = 50; 820103285Sikob ibufreq->rx.psize = FWDVPMAX; 821103285Sikob 822103285Sikob ibufreq->tx.nchunk = 5; 823103285Sikob ibufreq->tx.npacket = 300; 824103285Sikob ibufreq->tx.psize = FWDVPMAX; 825103285Sikob 826103285Sikob err = fw_ioctl(dev, FW_SSTBUF, (caddr_t)ibufreq, flag, td); 827103285Sikob sc->fc->it[sub]->dvpacket = FWDVPACKET; 828103285Sikob free(ibufreq, M_DEVBUF); 829103285Sikob/* reserve a buffer space */ 830103285Sikob#define NDVCHUNK 8 831103285Sikob sc->fc->it[sub]->dvproc = NULL; 832103285Sikob sc->fc->it[sub]->dvdma = NULL; 833103285Sikob sc->fc->it[sub]->flag |= FWXFERQ_DV; 834103285Sikob sc->fc->it[sub]->dvbuf 835103285Sikob = (struct fw_dvbuf *)malloc(sizeof(struct fw_dvbuf) * NDVCHUNK, M_DEVBUF, M_DONTWAIT); 836103285Sikob STAILQ_INIT(&sc->fc->it[sub]->dvvalid); 837103285Sikob STAILQ_INIT(&sc->fc->it[sub]->dvfree); 838103285Sikob for( i = 0 ; i < NDVCHUNK ; i++){ 839103285Sikob sc->fc->it[sub]->dvbuf[i].buf 840103285Sikob = malloc(FWDVPMAX * sc->fc->it[sub]->dvpacket, M_DEVBUF, M_DONTWAIT); 841103285Sikob STAILQ_INSERT_TAIL(&sc->fc->it[sub]->dvfree, 842103285Sikob &sc->fc->it[sub]->dvbuf[i], link); 843103285Sikob } 844103285Sikob break; 845103285Sikob case FW_SSTBUF: 846103285Sikob ir = sc->fc->ir[sub]; 847103285Sikob it = sc->fc->it[sub]; 848103285Sikob 849103285Sikob if(ir->flag & FWXFERQ_RUNNING || it->flag & FWXFERQ_RUNNING){ 850103285Sikob return(EBUSY); 851103285Sikob } 852103285Sikob if((ir->flag & FWXFERQ_EXTBUF) || (it->flag & FWXFERQ_EXTBUF)){ 853103285Sikob return(EBUSY); 854103285Sikob } 855103285Sikob if((ibufreq->rx.nchunk * 856103285Sikob ibufreq->rx.psize * ibufreq->rx.npacket) + 857103285Sikob (ibufreq->tx.nchunk * 858103285Sikob ibufreq->tx.psize * ibufreq->tx.npacket) <= 0){ 859103285Sikob return(EINVAL); 860103285Sikob } 861103285Sikob if(ibufreq->rx.nchunk > FWSTMAXCHUNK || 862103285Sikob ibufreq->tx.nchunk > FWSTMAXCHUNK){ 863103285Sikob return(EINVAL); 864103285Sikob } 865103285Sikob ir->bulkxfer 866103285Sikob = (struct fw_bulkxfer *)malloc(sizeof(struct fw_bulkxfer) * ibufreq->rx.nchunk, M_DEVBUF, M_DONTWAIT); 867103285Sikob if(ir->bulkxfer == NULL){ 868103285Sikob return(ENOMEM); 869103285Sikob } 870103285Sikob it->bulkxfer 871103285Sikob = (struct fw_bulkxfer *)malloc(sizeof(struct fw_bulkxfer) * ibufreq->tx.nchunk, M_DEVBUF, M_DONTWAIT); 872103285Sikob if(it->bulkxfer == NULL){ 873103285Sikob return(ENOMEM); 874103285Sikob } 875103285Sikob ir->buf = malloc( 876103285Sikob ibufreq->rx.nchunk * ibufreq->rx.npacket 877103285Sikob * ((ibufreq->rx.psize + 3) &~3), 878103285Sikob M_DEVBUF, M_DONTWAIT); 879103285Sikob if(ir->buf == NULL){ 880103285Sikob free(ir->bulkxfer, M_DEVBUF); 881103285Sikob free(it->bulkxfer, M_DEVBUF); 882103285Sikob ir->bulkxfer = NULL; 883103285Sikob it->bulkxfer = NULL; 884103285Sikob it->buf = NULL; 885103285Sikob return(ENOMEM); 886103285Sikob } 887103285Sikob it->buf = malloc( 888103285Sikob ibufreq->tx.nchunk * ibufreq->tx.npacket 889103285Sikob * ((ibufreq->tx.psize + 3) &~3), 890103285Sikob M_DEVBUF, M_DONTWAIT); 891103285Sikob if(it->buf == NULL){ 892103285Sikob free(ir->bulkxfer, M_DEVBUF); 893103285Sikob free(it->bulkxfer, M_DEVBUF); 894103285Sikob free(ir->buf, M_DEVBUF); 895103285Sikob ir->bulkxfer = NULL; 896103285Sikob it->bulkxfer = NULL; 897103285Sikob it->buf = NULL; 898103285Sikob return(ENOMEM); 899103285Sikob } 900103285Sikob 901103285Sikob ir->bnchunk = ibufreq->rx.nchunk; 902103285Sikob ir->bnpacket = ibufreq->rx.npacket; 903103285Sikob ir->btpacket = ibufreq->rx.npacket; 904103285Sikob ir->psize = (ibufreq->rx.psize + 3) & ~3; 905103285Sikob ir->queued = 0; 906103285Sikob 907103285Sikob it->bnchunk = ibufreq->tx.nchunk; 908103285Sikob it->bnpacket = ibufreq->tx.npacket; 909103285Sikob it->btpacket = ibufreq->tx.npacket; 910103285Sikob it->psize = (ibufreq->tx.psize + 3) & ~3; 911103285Sikob ir->queued = 0; 912103285Sikob it->dvdbc = 0; 913103285Sikob it->dvdiff = 0; 914103285Sikob it->dvsync = 0; 915103285Sikob 916103285Sikob STAILQ_INIT(&ir->stvalid); 917103285Sikob STAILQ_INIT(&ir->stfree); 918103285Sikob ir->stdma = NULL; 919103285Sikob ir->stdma2 = NULL; 920103285Sikob ir->stproc = NULL; 921103285Sikob 922103285Sikob STAILQ_INIT(&it->stvalid); 923103285Sikob STAILQ_INIT(&it->stfree); 924103285Sikob it->stdma = NULL; 925103285Sikob it->stdma2 = NULL; 926103285Sikob it->stproc = NULL; 927103285Sikob 928103285Sikob for(i = 0 ; i < sc->fc->ir[sub]->bnchunk; i++){ 929103285Sikob ir->bulkxfer[i].buf = 930103285Sikob ir->buf + 931103285Sikob i * sc->fc->ir[sub]->bnpacket * 932103285Sikob sc->fc->ir[sub]->psize; 933103285Sikob ir->bulkxfer[i].flag = 0; 934103285Sikob STAILQ_INSERT_TAIL(&ir->stfree, 935103285Sikob &ir->bulkxfer[i], link); 936103285Sikob ir->bulkxfer[i].npacket = ir->bnpacket; 937103285Sikob } 938103285Sikob for(i = 0 ; i < sc->fc->it[sub]->bnchunk; i++){ 939103285Sikob it->bulkxfer[i].buf = 940103285Sikob it->buf + 941103285Sikob i * sc->fc->it[sub]->bnpacket * 942103285Sikob sc->fc->it[sub]->psize; 943103285Sikob it->bulkxfer[i].flag = 0; 944103285Sikob STAILQ_INSERT_TAIL(&it->stfree, 945103285Sikob &it->bulkxfer[i], link); 946103285Sikob it->bulkxfer[i].npacket = it->bnpacket; 947103285Sikob } 948103285Sikob ir->flag &= ~FWXFERQ_MODEMASK; 949103285Sikob ir->flag |= FWXFERQ_STREAM; 950103285Sikob ir->flag |= FWXFERQ_EXTBUF; 951103285Sikob 952103285Sikob it->flag &= ~FWXFERQ_MODEMASK; 953103285Sikob it->flag |= FWXFERQ_STREAM; 954103285Sikob it->flag |= FWXFERQ_EXTBUF; 955103285Sikob err = 0; 956103285Sikob break; 957103285Sikob case FW_GSTBUF: 958103285Sikob ibufreq->rx.nchunk = sc->fc->ir[sub]->bnchunk; 959103285Sikob ibufreq->rx.npacket = sc->fc->ir[sub]->bnpacket; 960103285Sikob ibufreq->rx.psize = sc->fc->ir[sub]->psize; 961103285Sikob 962103285Sikob ibufreq->tx.nchunk = sc->fc->it[sub]->bnchunk; 963103285Sikob ibufreq->tx.npacket = sc->fc->it[sub]->bnpacket; 964103285Sikob ibufreq->tx.psize = sc->fc->it[sub]->psize; 965103285Sikob break; 966103285Sikob case FW_ASYREQ: 967103285Sikob xfer = fw_xfer_alloc(); 968103285Sikob if(xfer == NULL){ 969103285Sikob err = ENOMEM; 970103285Sikob return err; 971103285Sikob } 972103285Sikob fp = &asyreq->pkt; 973103285Sikob switch (asyreq->req.type) { 974103285Sikob case FWASREQNODE: 975103285Sikob xfer->dst = ntohs(fp->mode.hdr.dst); 976103285Sikob break; 977103285Sikob case FWASREQEUI: 978103285Sikob xfer->dst = fw_noderesolve(sc->fc, asyreq->req.dst.eui); 979103285Sikob if(xfer->dst == FWNODE_INVAL ){ 980103285Sikob printf("%s:cannot found node\n", 981103285Sikob device_get_nameunit(sc->fc->dev)); 982103285Sikob err = EINVAL; 983103285Sikob goto error; 984103285Sikob } 985103285Sikob fp->mode.hdr.dst = htons(FWLOCALBUS | xfer->dst); 986103285Sikob break; 987103285Sikob case FWASRESTL: 988103285Sikob /* XXX what's this? */ 989103285Sikob break; 990103285Sikob case FWASREQSTREAM: 991103285Sikob /* nothing to do */ 992103285Sikob break; 993103285Sikob } 994103285Sikob xfer->spd = asyreq->req.sped; 995103285Sikob xfer->send.len = asyreq->req.len; 996103285Sikob xfer->send.buf = malloc(xfer->send.len, M_DEVBUF, M_NOWAIT); 997103285Sikob if(xfer->send.buf == NULL){ 998103285Sikob return ENOMEM; 999103285Sikob } 1000103285Sikob xfer->send.off = 0; 1001103285Sikob bcopy(fp, xfer->send.buf, xfer->send.len); 1002103285Sikob xfer->act.hand = fw_asy_callback; 1003103285Sikob err = fw_asyreq(sc->fc, sub, xfer); 1004103285Sikob if(err){ 1005103285Sikob fw_xfer_free( xfer); 1006103285Sikob return err; 1007103285Sikob } 1008103285Sikob err = tsleep((caddr_t)xfer, FWPRI, "asyreq", hz); 1009103285Sikob if(err == 0){ 1010103285Sikob if(asyreq->req.len >= xfer->recv.len){ 1011103285Sikob asyreq->req.len = xfer->recv.len; 1012103285Sikob }else{ 1013103285Sikob err = EINVAL; 1014103285Sikob } 1015103285Sikob bcopy(xfer->recv.buf + xfer->recv.off, fp, asyreq->req.len); 1016103285Sikob } 1017103285Sikoberror: 1018103285Sikob fw_xfer_free( xfer); 1019103285Sikob break; 1020103285Sikob case FW_IBUSRST: 1021103285Sikob sc->fc->ibr(sc->fc); 1022103285Sikob break; 1023103285Sikob case FW_CBINDADDR: 1024103285Sikob fwb = fw_bindlookup(sc->fc, 1025103285Sikob bindreq->start.hi, bindreq->start.lo); 1026103285Sikob if(fwb == NULL){ 1027103285Sikob err = EINVAL; 1028103285Sikob break; 1029103285Sikob } 1030103285Sikob STAILQ_REMOVE(&sc->fc->binds, fwb, fw_bind, fclist); 1031103285Sikob STAILQ_REMOVE(&sc->fc->ir[sub]->binds, fwb, fw_bind, chlist); 1032103285Sikob free(fwb, M_DEVBUF); 1033103285Sikob break; 1034103285Sikob case FW_SBINDADDR: 1035103285Sikob if(bindreq->len <= 0 ){ 1036103285Sikob err = EINVAL; 1037103285Sikob break; 1038103285Sikob } 1039103285Sikob if(bindreq->start.hi > 0xffff ){ 1040103285Sikob err = EINVAL; 1041103285Sikob break; 1042103285Sikob } 1043103285Sikob fwb = (struct fw_bind *)malloc(sizeof (struct fw_bind), M_DEVBUF, M_DONTWAIT); 1044103285Sikob if(fwb == NULL){ 1045103285Sikob err = ENOMEM; 1046103285Sikob break; 1047103285Sikob } 1048103285Sikob fwb->start_hi = bindreq->start.hi; 1049103285Sikob fwb->start_lo = bindreq->start.lo; 1050103285Sikob fwb->addrlen = bindreq->len; 1051103285Sikob 1052103285Sikob xfer = fw_xfer_alloc(); 1053103285Sikob if(xfer == NULL){ 1054103285Sikob err = ENOMEM; 1055103285Sikob return err; 1056103285Sikob } 1057103285Sikob xfer->act_type = FWACT_CH; 1058103285Sikob xfer->sub = sub; 1059103285Sikob xfer->fc = sc->fc; 1060103285Sikob 1061103285Sikob fwb->xfer = xfer; 1062103285Sikob err = fw_bindadd(sc->fc, fwb); 1063103285Sikob break; 1064103285Sikob case FW_GDEVLST: 1065103285Sikob i = 0; 1066103285Sikob for(fwdev = TAILQ_FIRST(&sc->fc->devices); fwdev != NULL; 1067103285Sikob fwdev = TAILQ_NEXT(fwdev, link)){ 1068103285Sikob if(i < fwdevlst->n){ 1069103285Sikob fwdevlst->dst[i] = fwdev->dst; 1070103285Sikob fwdevlst->status[i] = 1071103285Sikob (fwdev->status == FWDEVATTACHED)?1:0; 1072103285Sikob fwdevlst->eui[i].hi = fwdev->eui.hi; 1073103285Sikob fwdevlst->eui[i].lo = fwdev->eui.lo; 1074103285Sikob } 1075103285Sikob i++; 1076103285Sikob } 1077103285Sikob fwdevlst->n = i; 1078103285Sikob break; 1079103285Sikob case FW_GTPMAP: 1080103285Sikob bcopy(sc->fc->topology_map, data, 1081103285Sikob (sc->fc->topology_map->crc_len + 1) * 4); 1082103285Sikob break; 1083103285Sikob case FW_GSPMAP: 1084103285Sikob /* speed_map is larger than a page */ 1085103285Sikob err = copyout(sc->fc->speed_map, *(void **)data, 1086103285Sikob (sc->fc->speed_map->crc_len + 1) * 4); 1087103285Sikob break; 1088103285Sikob case FW_GCROM: 1089103285Sikob for (fwdev = TAILQ_FIRST(&sc->fc->devices); fwdev != NULL; 1090103285Sikob fwdev = TAILQ_NEXT(fwdev, link)) { 1091103285Sikob if (fwdev->eui.hi == crom_buf->eui.hi && 1092103285Sikob fwdev->eui.lo == crom_buf->eui.lo) 1093103285Sikob break; 1094103285Sikob } 1095103285Sikob if (fwdev == NULL) { 1096103285Sikob err = FWNODE_INVAL; 1097103285Sikob break; 1098103285Sikob } 1099103285Sikob#if 0 1100103285Sikob if (fwdev->csrrom[0] >> 24 == 1) 1101103285Sikob len = 4; 1102103285Sikob else 1103103285Sikob len = (1 + ((fwdev->csrrom[0] >> 16) & 0xff)) * 4; 1104103285Sikob#else 1105103285Sikob if (fwdev->rommax < CSRROMOFF) 1106103285Sikob len = 0; 1107103285Sikob else 1108103285Sikob len = fwdev->rommax - CSRROMOFF + 4; 1109103285Sikob#endif 1110103285Sikob if (crom_buf->len < len) 1111103285Sikob len = crom_buf->len; 1112103285Sikob else 1113103285Sikob crom_buf->len = len; 1114103285Sikob err = copyout(&fwdev->csrrom[0], crom_buf->ptr, len); 1115103285Sikob break; 1116103285Sikob default: 1117103285Sikob sc->fc->ioctl (dev, cmd, data, flag, td); 1118103285Sikob break; 1119103285Sikob } 1120103285Sikob return err; 1121103285Sikob} 1122103285Sikobint 1123103285Sikobfw_poll(dev_t dev, int events, fw_proc *td) 1124103285Sikob{ 1125103285Sikob int revents; 1126103285Sikob int tmp; 1127103285Sikob int unit = DEV2UNIT(dev); 1128103285Sikob int sub = DEV2DMACH(dev); 1129103285Sikob struct firewire_softc *sc; 1130103285Sikob 1131103285Sikob if (DEV_FWMEM(dev)) 1132103285Sikob return fwmem_poll(dev, events, td); 1133103285Sikob 1134103285Sikob sc = devclass_get_softc(firewire_devclass, unit); 1135103285Sikob revents = 0; 1136103285Sikob tmp = POLLIN | POLLRDNORM; 1137103285Sikob if (events & tmp) { 1138103285Sikob if (STAILQ_FIRST(&sc->fc->ir[sub]->q) != NULL) 1139103285Sikob revents |= tmp; 1140103285Sikob else 1141103285Sikob selrecord(td, &sc->fc->ir[sub]->rsel); 1142103285Sikob } 1143103285Sikob tmp = POLLOUT | POLLWRNORM; 1144103285Sikob if (events & tmp) { 1145103285Sikob /* XXX should be fixed */ 1146103285Sikob revents |= tmp; 1147103285Sikob } 1148103285Sikob 1149103285Sikob return revents; 1150103285Sikob} 1151103285Sikob 1152103285Sikob/* 1153103285Sikob * To lookup node id. from EUI64. 1154103285Sikob */ 1155103285Sikobu_int16_t fw_noderesolve(struct firewire_comm *fc, struct fw_eui64 eui) 1156103285Sikob{ 1157103285Sikob struct fw_device *fwdev; 1158103285Sikob for(fwdev = TAILQ_FIRST(&fc->devices); fwdev != NULL; 1159103285Sikob fwdev = TAILQ_NEXT(fwdev, link)){ 1160103285Sikob if(fwdev->eui.hi == eui.hi && fwdev->eui.lo == eui.lo){ 1161103285Sikob break; 1162103285Sikob } 1163103285Sikob } 1164103285Sikob if(fwdev == NULL) return FWNODE_INVAL; 1165103285Sikob if(fwdev->status != FWDEVATTACHED) return FWNODE_INVAL; 1166103285Sikob return fwdev->dst; 1167103285Sikob} 1168103285Sikob/* 1169103285Sikob * Async. request procedure for userland application. 1170103285Sikob */ 1171103285Sikobint 1172103285Sikobfw_asyreq(struct firewire_comm *fc, int sub, struct fw_xfer *xfer) 1173103285Sikob{ 1174103285Sikob int err = 0; 1175103285Sikob struct fw_xferq *xferq; 1176103285Sikob int tl = 0, len; 1177103285Sikob struct fw_pkt *fp; 1178103285Sikob int tcode; 1179103285Sikob struct tcode_info *info; 1180103285Sikob 1181103285Sikob if(xfer == NULL) return EINVAL; 1182103285Sikob if(xfer->send.len > fc->maxrec){ 1183103285Sikob printf("send.len > maxrec\n"); 1184103285Sikob return EINVAL; 1185103285Sikob } 1186103285Sikob if(xfer->act.hand == NULL){ 1187103285Sikob printf("act.hand == NULL\n"); 1188103285Sikob return EINVAL; 1189103285Sikob } 1190103285Sikob fp = (struct fw_pkt *)xfer->send.buf; 1191103285Sikob 1192103285Sikob#if 0 1193103285Sikob switch(fp->mode.common.tcode){ 1194103285Sikob case FWTCODE_STREAM: 1195103285Sikob len = ntohs(fp->mode.stream.len) + 4; 1196103285Sikob break; 1197103285Sikob case FWTCODE_RREQQ: 1198103285Sikob case FWTCODE_WRES: 1199103285Sikob case FWTCODE_PHY: 1200103285Sikob len = 12; 1201103285Sikob break; 1202103285Sikob case FWTCODE_WREQQ: 1203103285Sikob case FWTCODE_RRESQ: 1204103285Sikob len = 16; 1205103285Sikob break; 1206103285Sikob default: 1207103285Sikob len = ntohs(fp->mode.rresb.len) + 16; 1208103285Sikob break; 1209103285Sikob } 1210103285Sikob if( len > xfer->send.len ){ 1211103285Sikob printf("len > send.len\n"); 1212103285Sikob return EINVAL; 1213103285Sikob } 1214103285Sikob switch(fp->mode.common.tcode){ 1215103285Sikob case FWTCODE_WREQQ: 1216103285Sikob case FWTCODE_WREQB: 1217103285Sikob case FWTCODE_RREQQ: 1218103285Sikob case FWTCODE_RREQB: 1219103285Sikob case FWTCODE_LREQ: 1220103285Sikob case FWTCODE_PHY: 1221103285Sikob case FWTCODE_STREAM: 1222103285Sikob xferq = fc->atq; 1223103285Sikob break; 1224103285Sikob case FWTCODE_WRES: 1225103285Sikob case FWTCODE_RRESQ: 1226103285Sikob case FWTCODE_RRESB: 1227103285Sikob case FWTCODE_LRES: 1228103285Sikob xferq = fc->ats; 1229103285Sikob break; 1230103285Sikob default: 1231103285Sikob return EINVAL; 1232103285Sikob } 1233103285Sikob#else 1234103285Sikob tcode = fp->mode.common.tcode & 0xf; 1235103285Sikob info = &fc->tcode[tcode]; 1236103285Sikob if (info->flag == 0) { 1237103285Sikob printf("invalid tcode=%d\n", tcode); 1238103285Sikob return EINVAL; 1239103285Sikob } 1240103285Sikob if (info->flag & FWTI_REQ) 1241103285Sikob xferq = fc->atq; 1242103285Sikob else 1243103285Sikob xferq = fc->ats; 1244103285Sikob len = info->hdr_len; 1245103285Sikob if (info->flag & FWTI_BLOCK_STR) 1246103285Sikob len += ntohs(fp->mode.stream.len); 1247103285Sikob else if (info->flag & FWTI_BLOCK_ASY) 1248103285Sikob len += ntohs(fp->mode.rresb.len); 1249103285Sikob if( len > xfer->send.len ){ 1250103285Sikob printf("len(%d) > send.len(%d) (tcode=%d)\n", 1251103285Sikob len, xfer->send.len, tcode); 1252103285Sikob return EINVAL; 1253103285Sikob } 1254103285Sikob xfer->send.len = len; 1255103285Sikob#endif 1256103285Sikob if(xferq->start == NULL){ 1257103285Sikob printf("xferq->start == NULL\n"); 1258103285Sikob return EINVAL; 1259103285Sikob } 1260103285Sikob if(!(xferq->queued < xferq->maxq)){ 1261103285Sikob printf("%s:Discard a packet (queued=%d)\n", 1262103285Sikob device_get_nameunit(fc->dev), xferq->queued); 1263103285Sikob return EINVAL; 1264103285Sikob } 1265103285Sikob 1266103285Sikob 1267103285Sikob#if 0 1268103285Sikob switch(tcode){ 1269103285Sikob case FWTCODE_WREQQ: 1270103285Sikob case FWTCODE_WREQB: 1271103285Sikob case FWTCODE_RREQQ: 1272103285Sikob case FWTCODE_RREQB: 1273103285Sikob case FWTCODE_LREQ: 1274103285Sikob if((tl = fw_get_tlabel(fc, xfer)) == -1 ){ 1275103285Sikob return EIO; 1276103285Sikob } 1277103285Sikob fp->mode.hdr.tlrt = tl << 2; 1278103285Sikob break; 1279103285Sikob default: 1280103285Sikob break; 1281103285Sikob } 1282103285Sikob#else 1283103285Sikob if (info->flag & FWTI_TLABEL) { 1284103285Sikob if((tl = fw_get_tlabel(fc, xfer)) == -1 ) 1285103285Sikob return EIO; 1286103285Sikob fp->mode.hdr.tlrt = tl << 2; 1287103285Sikob } 1288103285Sikob#endif 1289103285Sikob 1290103285Sikob xfer->tl = tl; 1291103285Sikob xfer->tcode = tcode; 1292103285Sikob xfer->resp = 0; 1293103285Sikob xfer->fc = fc; 1294103285Sikob xfer->q = xferq; 1295103285Sikob xfer->act_type = FWACT_XFER; 1296103285Sikob xfer->retry_req = fw_asybusy; 1297103285Sikob 1298103285Sikob fw_asystart(xfer); 1299103285Sikob return err; 1300103285Sikob} 1301103285Sikob/* 1302103285Sikob * Wakeup blocked process. 1303103285Sikob */ 1304103285Sikobvoid 1305103285Sikobfw_asy_callback(struct fw_xfer *xfer){ 1306103285Sikob wakeup(xfer); 1307103285Sikob return; 1308103285Sikob} 1309103285Sikob/* 1310103285Sikob * Postpone to later retry. 1311103285Sikob */ 1312103285Sikobvoid fw_asybusy(struct fw_xfer *xfer){ 1313103285Sikob#if 0 1314103285Sikob printf("fw_asybusy\n"); 1315103285Sikob#endif 1316103285Sikob#if XFER_TIMEOUT 1317103285Sikob untimeout(fw_xfer_timeout, (void *)xfer, xfer->ch); 1318103285Sikob#endif 1319103285Sikob/* 1320103285Sikob xfer->ch = timeout((timeout_t *)fw_asystart, (void *)xfer, 20000); 1321103285Sikob*/ 1322103285Sikob DELAY(20000); 1323103285Sikob fw_asystart(xfer); 1324103285Sikob return; 1325103285Sikob} 1326103285Sikob#if XFER_TIMEOUT 1327103285Sikob/* 1328103285Sikob * Post timeout for async. request. 1329103285Sikob */ 1330103285Sikobvoid 1331103285Sikobfw_xfer_timeout(void *arg) 1332103285Sikob{ 1333103285Sikob int s; 1334103285Sikob struct fw_xfer *xfer; 1335103285Sikob 1336103285Sikob xfer = (struct fw_xfer *)arg; 1337103285Sikob printf("fw_xfer_timeout status=%d resp=%d\n", xfer->state, xfer->resp); 1338103285Sikob /* XXX set error code */ 1339103285Sikob s = splfw(); 1340103285Sikob xfer->act.hand(xfer); 1341103285Sikob splx(s); 1342103285Sikob} 1343103285Sikob#endif 1344103285Sikob/* 1345103285Sikob * Async. request with given xfer structure. 1346103285Sikob */ 1347103285Sikobstatic void fw_asystart(struct fw_xfer *xfer){ 1348103285Sikob struct firewire_comm *fc = xfer->fc; 1349103285Sikob int s; 1350103285Sikob if(xfer->retry++ >= fc->max_asyretry){ 1351103285Sikob xfer->resp = EBUSY; 1352103285Sikob xfer->state = FWXF_BUSY; 1353103285Sikob xfer->act.hand(xfer); 1354103285Sikob return; 1355103285Sikob } 1356103285Sikob#if 0 /* XXX allow bus explore packets only after bus rest */ 1357103285Sikob if (fc->status < FWBUSEXPLORE) { 1358103285Sikob xfer->resp = EAGAIN; 1359103285Sikob xfer->state = FWXF_BUSY; 1360103285Sikob if (xfer->act.hand != NULL) 1361103285Sikob xfer->act.hand(xfer); 1362103285Sikob return; 1363103285Sikob } 1364103285Sikob#endif 1365103285Sikob s = splfw(); 1366103285Sikob xfer->state = FWXF_INQ; 1367103285Sikob STAILQ_INSERT_TAIL(&xfer->q->q, xfer, link); 1368103285Sikob xfer->q->queued ++; 1369103285Sikob splx(s); 1370103285Sikob /* XXX just queue for mbuf */ 1371103285Sikob if (xfer->mbuf == NULL) 1372103285Sikob xfer->q->start(fc); 1373103285Sikob#if XFER_TIMEOUT 1374103285Sikob if (xfer->act.hand != NULL) 1375103285Sikob xfer->ch = timeout(fw_xfer_timeout, (void *)xfer, hz); 1376103285Sikob#endif 1377103285Sikob return; 1378103285Sikob} 1379103285Sikobstatic int 1380103285Sikobfw_mmap (dev_t dev, vm_offset_t offset, int nproto) 1381103285Sikob{ 1382103285Sikob struct firewire_softc *fc; 1383103285Sikob int unit = DEV2UNIT(dev); 1384103285Sikob 1385103285Sikob if (DEV_FWMEM(dev)) 1386103285Sikob return fwmem_mmap(dev, offset, nproto); 1387103285Sikob 1388103285Sikob fc = devclass_get_softc(firewire_devclass, unit); 1389103285Sikob 1390103285Sikob return EINVAL; 1391103285Sikob} 1392103285Sikobstatic int 1393103285Sikobfirewire_match( device_t dev ) 1394103285Sikob{ 1395103285Sikob device_set_desc(dev, "IEEE1394(Firewire) bus"); 1396103285Sikob return -140; 1397103285Sikob} 1398103285Sikob/* 1399103285Sikob * The attach routine. 1400103285Sikob */ 1401103285Sikobstatic int 1402103285Sikobfirewire_attach( device_t dev ) 1403103285Sikob{ 1404103285Sikob int i, unitmask, mn; 1405103285Sikob struct firewire_softc *sc = device_get_softc(dev); 1406103285Sikob device_t pa = device_get_parent(dev); 1407103285Sikob struct firewire_comm *fc; 1408103285Sikob dev_t d; 1409103285Sikob 1410103285Sikob fc = (struct firewire_comm *)device_get_softc(pa); 1411103285Sikob sc->fc = fc; 1412103285Sikob sc->fc->dev = dev; 1413103285Sikob 1414103285Sikob unitmask = UNIT2MIN(device_get_unit(dev)); 1415103285Sikob 1416103285Sikob if( fc->nisodma > FWMAXNDMA) fc->nisodma = FWMAXNDMA; 1417103285Sikob for ( i = 0 ; i < fc->nisodma ; i++ ){ 1418103285Sikob mn = unitmask | i; 1419103285Sikob /* XXX device name should be improved */ 1420103285Sikob d = make_dev(&firewire_cdevsw, unit2minor(mn), 1421103285Sikob UID_ROOT, GID_OPERATOR, 0770, 1422103285Sikob "fw%x", mn); 1423103285Sikob#if __FreeBSD_version >= 500000 1424103285Sikob if (i == 0) 1425103285Sikob sc->dev = d; 1426103285Sikob else 1427103285Sikob dev_depends(sc->dev, d); 1428103285Sikob#else 1429103285Sikob sc->dev[i] = d; 1430103285Sikob#endif 1431103285Sikob } 1432103285Sikob d = make_dev(&firewire_cdevsw, unit2minor(unitmask | FWMEM_FLAG), 1433103285Sikob UID_ROOT, GID_OPERATOR, 0770, 1434103285Sikob "fwmem%d", device_get_unit(dev)); 1435103285Sikob#if __FreeBSD_version >= 500000 1436103285Sikob dev_depends(sc->dev, d); 1437103285Sikob#else 1438103285Sikob sc->dev[i] = d; 1439103285Sikob#endif 1440103285Sikob printf("%s: firewire bus attach\n", device_get_nameunit(sc->fc->dev)); 1441103285Sikob sc->fc->timeouthandle = timeout((timeout_t *)sc->fc->timeout, (void *)sc->fc, hz * 10); 1442103285Sikob 1443103285Sikob /* Locate our children */ 1444103285Sikob bus_generic_probe(dev); 1445103285Sikob 1446103285Sikob /* launch attachement of the added children */ 1447103285Sikob bus_generic_attach(dev); 1448103285Sikob 1449103285Sikob /* bus_reset */ 1450103285Sikob fc->ibr(fc); 1451103285Sikob 1452103285Sikob return 0; 1453103285Sikob} 1454103285Sikob 1455103285Sikob/* 1456103285Sikob * Attach it as child. 1457103285Sikob */ 1458103285Sikobstatic device_t 1459103285Sikobfirewire_add_child(device_t dev, int order, const char *name, int unit) 1460103285Sikob{ 1461103285Sikob device_t child; 1462103285Sikob struct firewire_softc *sc; 1463103285Sikob 1464103285Sikob sc = (struct firewire_softc *)device_get_softc(dev); 1465103285Sikob child = device_add_child(dev, name, unit); 1466103285Sikob if (child) { 1467103285Sikob device_set_ivars(child, sc->fc); 1468103285Sikob device_probe_and_attach(child); 1469103285Sikob } 1470103285Sikob 1471103285Sikob return child; 1472103285Sikob} 1473103285Sikob/* 1474103285Sikob * Dettach it. 1475103285Sikob */ 1476103285Sikobstatic int 1477103285Sikobfirewire_detach( device_t dev ) 1478103285Sikob{ 1479103285Sikob struct firewire_softc *sc; 1480103285Sikob 1481103285Sikob sc = (struct firewire_softc *)device_get_softc(dev); 1482103285Sikob#if 0 1483103285Sikob printf("%s:dettach prevented", device_get_nameunit(dev)); 1484103285Sikob return(EINVAL); 1485103285Sikob#endif 1486103285Sikob#if __FreeBSD_version >= 500000 1487103285Sikob destroy_dev(sc->dev); 1488103285Sikob#else 1489103285Sikob { 1490103285Sikob int j; 1491103285Sikob for (j = 0 ; j < sc->fc->nisodma + 1; j++) 1492103285Sikob destroy_dev(sc->dev[j]); 1493103285Sikob } 1494103285Sikob#endif 1495103285Sikob /* XXX xfree_free and untimeout on all xfers */ 1496103285Sikob untimeout((timeout_t *)sc->fc->timeout, sc->fc, sc->fc->timeouthandle); 1497103285Sikob free(sc->fc->topology_map, M_DEVBUF); 1498103285Sikob free(sc->fc->speed_map, M_DEVBUF); 1499103285Sikob bus_generic_detach(dev); 1500103285Sikob return(0); 1501103285Sikob} 1502103285Sikob#if 0 1503103285Sikobstatic int 1504103285Sikobfirewire_shutdown( device_t dev ) 1505103285Sikob{ 1506103285Sikob return 0; 1507103285Sikob} 1508103285Sikob#endif 1509103285Sikob/* 1510103285Sikob * Call ater bus reset. 1511103285Sikob */ 1512103285Sikobvoid fw_busreset(struct firewire_comm *fc) 1513103285Sikob{ 1514103285Sikob int i; 1515103285Sikob struct fw_xfer *xfer; 1516103285Sikob 1517103285Sikob switch(fc->status){ 1518103285Sikob case FWBUSMGRELECT: 1519103285Sikob untimeout((timeout_t *)fw_try_bmr, (void *)fc, fc->bmrhandle); 1520103285Sikob break; 1521103285Sikob default: 1522103285Sikob break; 1523103285Sikob } 1524103285Sikob fc->status = FWBUSRESET; 1525103285Sikob/* XXX: discard all queued packet */ 1526103285Sikob while((xfer = STAILQ_FIRST(&fc->atq->q)) != NULL){ 1527103285Sikob STAILQ_REMOVE_HEAD(&fc->atq->q, link); 1528103285Sikob xfer->resp = EAGAIN; 1529103285Sikob switch(xfer->act_type){ 1530103285Sikob case FWACT_XFER: 1531103285Sikob fw_xfer_done(xfer); 1532103285Sikob break; 1533103285Sikob default: 1534103285Sikob break; 1535103285Sikob } 1536103285Sikob fw_xfer_free( xfer); 1537103285Sikob } 1538103285Sikob while((xfer = STAILQ_FIRST(&fc->ats->q)) != NULL){ 1539103285Sikob STAILQ_REMOVE_HEAD(&fc->ats->q, link); 1540103285Sikob xfer->resp = EAGAIN; 1541103285Sikob switch(xfer->act_type){ 1542103285Sikob case FWACT_XFER: 1543103285Sikob fw_xfer_done(xfer); 1544103285Sikob default: 1545103285Sikob break; 1546103285Sikob } 1547103285Sikob fw_xfer_free( xfer); 1548103285Sikob } 1549103285Sikob for(i = 0; i < fc->nisodma; i++) 1550103285Sikob while((xfer = STAILQ_FIRST(&fc->it[i]->q)) != NULL){ 1551103285Sikob STAILQ_REMOVE_HEAD(&fc->it[i]->q, link); 1552103285Sikob xfer->resp = 0; 1553103285Sikob switch(xfer->act_type){ 1554103285Sikob case FWACT_XFER: 1555103285Sikob fw_xfer_done(xfer); 1556103285Sikob break; 1557103285Sikob default: 1558103285Sikob break; 1559103285Sikob } 1560103285Sikob fw_xfer_free( xfer); 1561103285Sikob } 1562103285Sikob 1563103285Sikob CSRARC(fc, STATE_CLEAR) 1564103285Sikob = 1 << 23 | 0 << 17 | 1 << 16 | 1 << 15 | 1 << 14 ; 1565103285Sikob CSRARC(fc, STATE_SET) = CSRARC(fc, STATE_CLEAR); 1566103285Sikob CSRARC(fc, NODE_IDS) = 0x3f; 1567103285Sikob 1568103285Sikob CSRARC(fc, TOPO_MAP + 8) = 0; 1569103285Sikob fc->irm = -1; 1570103285Sikob 1571103285Sikob fc->max_node = -1; 1572103285Sikob 1573103285Sikob for(i = 2; i < 0x100/4 - 2 ; i++){ 1574103285Sikob CSRARC(fc, SPED_MAP + i * 4) = 0; 1575103285Sikob } 1576103285Sikob CSRARC(fc, STATE_CLEAR) = 1 << 23 | 0 << 17 | 1 << 16 | 1 << 15 | 1 << 14 ; 1577103285Sikob CSRARC(fc, STATE_SET) = CSRARC(fc, STATE_CLEAR); 1578103285Sikob CSRARC(fc, RESET_START) = 0; 1579103285Sikob CSRARC(fc, SPLIT_TIMEOUT_HI) = 0; 1580103285Sikob CSRARC(fc, SPLIT_TIMEOUT_LO) = 800 << 19; 1581103285Sikob CSRARC(fc, CYCLE_TIME) = 0x0; 1582103285Sikob CSRARC(fc, BUS_TIME) = 0x0; 1583103285Sikob CSRARC(fc, BUS_MGR_ID) = 0x3f; 1584103285Sikob CSRARC(fc, BANDWIDTH_AV) = 4915; 1585103285Sikob CSRARC(fc, CHANNELS_AV_HI) = 0xffffffff; 1586103285Sikob CSRARC(fc, CHANNELS_AV_LO) = 0xffffffff; 1587103285Sikob CSRARC(fc, IP_CHANNELS) = (1 << 31); 1588103285Sikob 1589103285Sikob CSRARC(fc, CONF_ROM) = 0x04 << 24; 1590103285Sikob CSRARC(fc, CONF_ROM + 4) = 0x31333934; /* means strings 1394 */ 1591103285Sikob CSRARC(fc, CONF_ROM + 8) = 1 << 31 | 1 << 30 | 1 << 29 | 1592103285Sikob 1 << 28 | 0xff << 16 | 0x09 << 8; 1593103285Sikob CSRARC(fc, CONF_ROM + 0xc) = 0; 1594103285Sikob 1595103285Sikob/* DV depend CSRs see blue book */ 1596103285Sikob CSRARC(fc, oPCR) &= ~DV_BROADCAST_ON; 1597103285Sikob CSRARC(fc, iPCR) &= ~DV_BROADCAST_ON; 1598103285Sikob 1599103285Sikob CSRARC(fc, STATE_CLEAR) &= ~(1 << 23 | 1 << 15 | 1 << 14 ); 1600103285Sikob CSRARC(fc, STATE_SET) = CSRARC(fc, STATE_CLEAR); 1601103285Sikob} 1602103285Sikob/* Call once after reboot */ 1603103285Sikobvoid fw_init(fc) 1604103285Sikob struct firewire_comm *fc; 1605103285Sikob{ 1606103285Sikob int i; 1607103285Sikob struct fw_xfer *xfer; 1608103285Sikob struct fw_bind *fwb; 1609103285Sikob struct csrdir *csrd; 1610103285Sikob 1611103285Sikob fc->max_asyretry = FW_MAXASYRTY; 1612103285Sikob 1613103285Sikob fc->arq->queued = 0; 1614103285Sikob fc->ars->queued = 0; 1615103285Sikob fc->atq->queued = 0; 1616103285Sikob fc->ats->queued = 0; 1617103285Sikob 1618103285Sikob fc->arq->psize = FWPMAX_S400; 1619103285Sikob fc->ars->psize = FWPMAX_S400; 1620103285Sikob fc->atq->psize = FWPMAX_S400; 1621103285Sikob fc->ats->psize = FWPMAX_S400; 1622103285Sikob 1623103285Sikob 1624103285Sikob fc->arq->buf = NULL; 1625103285Sikob fc->ars->buf = NULL; 1626103285Sikob fc->atq->buf = NULL; 1627103285Sikob fc->ats->buf = NULL; 1628103285Sikob 1629103285Sikob fc->arq->flag = FWXFERQ_PACKET; 1630103285Sikob fc->ars->flag = FWXFERQ_PACKET; 1631103285Sikob fc->atq->flag = FWXFERQ_PACKET; 1632103285Sikob fc->ats->flag = FWXFERQ_PACKET; 1633103285Sikob 1634103285Sikob STAILQ_INIT(&fc->atq->q); 1635103285Sikob STAILQ_INIT(&fc->ats->q); 1636103285Sikob 1637103285Sikob for( i = 0 ; i < fc->nisodma ; i ++ ){ 1638103285Sikob fc->it[i]->queued = 0; 1639103285Sikob fc->ir[i]->queued = 0; 1640103285Sikob 1641103285Sikob fc->it[i]->start = NULL; 1642103285Sikob fc->ir[i]->start = NULL; 1643103285Sikob 1644103285Sikob fc->it[i]->buf = NULL; 1645103285Sikob fc->ir[i]->buf = NULL; 1646103285Sikob 1647103285Sikob fc->it[i]->flag = FWXFERQ_STREAM; 1648103285Sikob fc->ir[i]->flag = FWXFERQ_STREAM; 1649103285Sikob 1650103285Sikob STAILQ_INIT(&fc->it[i]->q); 1651103285Sikob STAILQ_INIT(&fc->ir[i]->q); 1652103285Sikob 1653103285Sikob STAILQ_INIT(&fc->it[i]->binds); 1654103285Sikob STAILQ_INIT(&fc->ir[i]->binds); 1655103285Sikob } 1656103285Sikob 1657103285Sikob fc->arq->maxq = FWMAXQUEUE; 1658103285Sikob fc->ars->maxq = FWMAXQUEUE; 1659103285Sikob fc->atq->maxq = FWMAXQUEUE; 1660103285Sikob fc->ats->maxq = FWMAXQUEUE; 1661103285Sikob 1662103285Sikob for( i = 0 ; i < fc->nisodma ; i++){ 1663103285Sikob fc->ir[i]->maxq = FWMAXQUEUE; 1664103285Sikob fc->it[i]->maxq = FWMAXQUEUE; 1665103285Sikob } 1666103285Sikob/* Initialize csr registers */ 1667103285Sikob fc->topology_map = (struct fw_topology_map *)malloc( 1668103285Sikob sizeof(struct fw_topology_map), 1669103285Sikob M_DEVBUF, M_DONTWAIT | M_ZERO); 1670103285Sikob fc->speed_map = (struct fw_speed_map *)malloc( 1671103285Sikob sizeof(struct fw_speed_map), 1672103285Sikob M_DEVBUF, M_DONTWAIT | M_ZERO); 1673103285Sikob CSRARC(fc, TOPO_MAP) = 0x3f1 << 16; 1674103285Sikob CSRARC(fc, TOPO_MAP + 4) = 1; 1675103285Sikob CSRARC(fc, SPED_MAP) = 0x3f1 << 16; 1676103285Sikob CSRARC(fc, SPED_MAP + 4) = 1; 1677103285Sikob 1678103285Sikob TAILQ_INIT(&fc->devices); 1679103285Sikob STAILQ_INIT(&fc->pending); 1680103285Sikob 1681103285Sikob/* Initialize csr ROM work space */ 1682103285Sikob SLIST_INIT(&fc->ongocsr); 1683103285Sikob SLIST_INIT(&fc->csrfree); 1684103285Sikob for( i = 0 ; i < FWMAXCSRDIR ; i++){ 1685103285Sikob csrd = (struct csrdir *) malloc(sizeof(struct csrdir), M_DEVBUF,M_DONTWAIT); 1686103285Sikob if(csrd == NULL) break; 1687103285Sikob SLIST_INSERT_HEAD(&fc->csrfree, csrd, link); 1688103285Sikob } 1689103285Sikob 1690103285Sikob/* Initialize Async handlers */ 1691103285Sikob STAILQ_INIT(&fc->binds); 1692103285Sikob for( i = 0 ; i < 0x40 ; i++){ 1693103285Sikob STAILQ_INIT(&fc->tlabels[i]); 1694103285Sikob } 1695103285Sikob 1696103285Sikob/* DV depend CSRs see blue book */ 1697103285Sikob#if 0 1698103285Sikob CSRARC(fc, oMPR) = 0x3fff0001; /* # output channel = 1 */ 1699103285Sikob CSRARC(fc, oPCR) = 0x8000007a; 1700103285Sikob for(i = 4 ; i < 0x7c/4 ; i+=4){ 1701103285Sikob CSRARC(fc, i + oPCR) = 0x8000007a; 1702103285Sikob } 1703103285Sikob 1704103285Sikob CSRARC(fc, iMPR) = 0x00ff0001; /* # input channel = 1 */ 1705103285Sikob CSRARC(fc, iPCR) = 0x803f0000; 1706103285Sikob for(i = 4 ; i < 0x7c/4 ; i+=4){ 1707103285Sikob CSRARC(fc, i + iPCR) = 0x0; 1708103285Sikob } 1709103285Sikob#endif 1710103285Sikob 1711103285Sikob 1712103285Sikob xfer = fw_xfer_alloc(); 1713103285Sikob if(xfer == NULL) return; 1714103285Sikob 1715103285Sikob fwb = (struct fw_bind *)malloc(sizeof (struct fw_bind), M_DEVBUF, M_DONTWAIT); 1716103285Sikob if(fwb == NULL){ 1717103285Sikob fw_xfer_free(xfer); 1718103285Sikob } 1719103285Sikob xfer->act.hand = fw_vmaccess; 1720103285Sikob xfer->act_type = FWACT_XFER; 1721103285Sikob xfer->fc = fc; 1722103285Sikob xfer->sc = NULL; 1723103285Sikob 1724103285Sikob fwb->start_hi = 0x2; 1725103285Sikob fwb->start_lo = 0; 1726103285Sikob fwb->addrlen = 0xffffffff; 1727103285Sikob fwb->xfer = xfer; 1728103285Sikob fw_bindadd(fc, fwb); 1729103285Sikob} 1730103285Sikob/* 1731103285Sikob * To lookup binded process from IEEE1394 address. 1732103285Sikob */ 1733103285Sikobstatic struct fw_bind * 1734103285Sikobfw_bindlookup(fc, dest_hi, dest_lo) 1735103285Sikobstruct firewire_comm *fc; 1736103285Sikobu_int32_t dest_lo, dest_hi; 1737103285Sikob{ 1738103285Sikob struct fw_bind *tfw; 1739103285Sikob for(tfw = STAILQ_FIRST(&fc->binds) ; tfw != NULL ; 1740103285Sikob tfw = STAILQ_NEXT(tfw, fclist)){ 1741103285Sikob if(tfw->xfer->act_type != FWACT_NULL && 1742103285Sikob tfw->start_hi == dest_hi && 1743103285Sikob tfw->start_lo <= dest_lo && 1744103285Sikob (tfw->start_lo + tfw->addrlen) > dest_lo){ 1745103285Sikob return(tfw); 1746103285Sikob } 1747103285Sikob } 1748103285Sikob return(NULL); 1749103285Sikob} 1750103285Sikob/* 1751103285Sikob * To bind IEEE1394 address block to process. 1752103285Sikob */ 1753103285Sikobint fw_bindadd(struct firewire_comm *fc, struct fw_bind *fwb) 1754103285Sikob{ 1755103285Sikob struct fw_bind *tfw, *tfw2 = NULL; 1756103285Sikob int err = 0; 1757103285Sikob tfw = STAILQ_FIRST(&fc->binds); 1758103285Sikob if(tfw == NULL){ 1759103285Sikob STAILQ_INSERT_HEAD(&fc->binds, fwb, fclist); 1760103285Sikob goto out; 1761103285Sikob } 1762103285Sikob if((tfw->start_hi > fwb->start_hi) || 1763103285Sikob (tfw->start_hi == fwb->start_hi && 1764103285Sikob (tfw->start_lo > (fwb->start_lo + fwb->addrlen)))){ 1765103285Sikob STAILQ_INSERT_HEAD(&fc->binds, fwb, fclist); 1766103285Sikob goto out; 1767103285Sikob } 1768103285Sikob for(; tfw != NULL; tfw = STAILQ_NEXT(tfw, fclist)){ 1769103285Sikob if((tfw->start_hi < fwb->start_hi) || 1770103285Sikob (tfw->start_hi == fwb->start_hi && 1771103285Sikob (tfw->start_lo + tfw->addrlen) < fwb->start_lo)){ 1772103285Sikob tfw2 = STAILQ_NEXT(tfw, fclist); 1773103285Sikob if(tfw2 == NULL) 1774103285Sikob break; 1775103285Sikob if((tfw2->start_hi > fwb->start_hi) || 1776103285Sikob (tfw2->start_hi == fwb->start_hi && 1777103285Sikob tfw2->start_lo > (fwb->start_lo + fwb->addrlen))){ 1778103285Sikob break; 1779103285Sikob }else{ 1780103285Sikob err = EBUSY; 1781103285Sikob goto out; 1782103285Sikob } 1783103285Sikob } 1784103285Sikob } 1785103285Sikob if(tfw != NULL){ 1786103285Sikob STAILQ_INSERT_AFTER(&fc->binds, tfw, fwb, fclist); 1787103285Sikob }else{ 1788103285Sikob STAILQ_INSERT_TAIL(&fc->binds, fwb, fclist); 1789103285Sikob } 1790103285Sikobout: 1791103285Sikob if(!err && fwb->xfer->act_type == FWACT_CH){ 1792103285Sikob STAILQ_INSERT_HEAD(&fc->ir[fwb->xfer->sub]->binds, fwb, chlist); 1793103285Sikob } 1794103285Sikob return err; 1795103285Sikob} 1796103285Sikob 1797103285Sikob/* 1798103285Sikob * To free IEEE1394 address block. 1799103285Sikob */ 1800103285Sikobint fw_bindremove(struct firewire_comm *fc, struct fw_bind *fwb) 1801103285Sikob{ 1802103285Sikob int s; 1803103285Sikob 1804103285Sikob s = splfw(); 1805103285Sikob /* shall we check the existance? */ 1806103285Sikob STAILQ_REMOVE(&fc->binds, fwb, fw_bind, fclist); 1807103285Sikob splx(s); 1808103285Sikob if (fwb->xfer) 1809103285Sikob fw_xfer_free(fwb->xfer); 1810103285Sikob 1811103285Sikob return 0; 1812103285Sikob} 1813103285Sikob 1814103285Sikob/* 1815103285Sikob * To free transaction label. 1816103285Sikob */ 1817103285Sikobstatic void fw_tl_free ( struct firewire_comm *fc, struct fw_xfer *xfer ) 1818103285Sikob{ 1819103285Sikob struct tlabel *tl; 1820103285Sikob int s = splfw(); 1821103285Sikob 1822103285Sikob for( tl = STAILQ_FIRST(&fc->tlabels[xfer->tl]); tl != NULL; 1823103285Sikob tl = STAILQ_NEXT(tl, link)){ 1824103285Sikob if(tl->xfer == xfer){ 1825103285Sikob STAILQ_REMOVE(&fc->tlabels[xfer->tl], tl, tlabel, link); 1826103285Sikob free(tl, M_DEVBUF); 1827103285Sikob splx(s); 1828103285Sikob return; 1829103285Sikob } 1830103285Sikob } 1831103285Sikob splx(s); 1832103285Sikob return; 1833103285Sikob} 1834103285Sikob/* 1835103285Sikob * To obtain XFER structure by transaction label. 1836103285Sikob */ 1837103285Sikobstatic struct fw_xfer *fw_tl2xfer ( struct firewire_comm *fc, int node, int tlabel ) 1838103285Sikob{ 1839103285Sikob struct fw_xfer *xfer; 1840103285Sikob struct tlabel *tl; 1841103285Sikob int s = splfw(); 1842103285Sikob 1843103285Sikob for( tl = STAILQ_FIRST(&fc->tlabels[tlabel]); tl != NULL; 1844103285Sikob tl = STAILQ_NEXT(tl, link)){ 1845103285Sikob if(tl->xfer->dst == node){ 1846103285Sikob xfer = tl->xfer; 1847103285Sikob#if 0 1848103285Sikob STAILQ_REMOVE(&fc->tlabels[tlabel], tl, tlabel, link); 1849103285Sikob free(tl, M_DEVBUF); 1850103285Sikob#endif 1851103285Sikob splx(s); 1852103285Sikob return(xfer); 1853103285Sikob } 1854103285Sikob } 1855103285Sikob splx(s); 1856103285Sikob return(NULL); 1857103285Sikob} 1858103285Sikob/* 1859103285Sikob * To allocate IEEE1394 XFER structure. 1860103285Sikob */ 1861103285Sikobstruct fw_xfer *fw_xfer_alloc() 1862103285Sikob{ 1863103285Sikob struct fw_xfer *xfer; 1864103285Sikob#if 0 1865103285Sikob xfer = malloc(sizeof(struct fw_xfer), M_DEVBUF, M_DONTWAIT); 1866103285Sikob#else 1867103285Sikob xfer = malloc(sizeof(struct fw_xfer), M_DEVBUF, M_DONTWAIT | M_ZERO); 1868103285Sikob#endif 1869103285Sikob if(xfer == NULL) return xfer; 1870103285Sikob#if 0 /* xfer->tl = 0 was missing.. */ 1871103285Sikob xfer->act_type = FWACT_NULL; 1872103285Sikob xfer->fc = NULL; 1873103285Sikob xfer->retry = 0; 1874103285Sikob xfer->resp = 0; 1875103285Sikob xfer->state = FWXF_INIT; 1876103285Sikob xfer->time = time_second; 1877103285Sikob xfer->sub = -1; 1878103285Sikob xfer->send.buf = NULL; 1879103285Sikob xfer->send.off = 0; 1880103285Sikob xfer->send.len = 0; 1881103285Sikob xfer->recv.buf = NULL; 1882103285Sikob xfer->recv.off = 0; 1883103285Sikob xfer->recv.len = 0; 1884103285Sikob xfer->retry_req = NULL; 1885103285Sikob xfer->act.hand = NULL; 1886103285Sikob xfer->sc = NULL; 1887103285Sikob#else 1888103285Sikob xfer->time = time_second; 1889103285Sikob xfer->sub = -1; 1890103285Sikob#endif 1891103285Sikob return xfer; 1892103285Sikob} 1893103285Sikob/* 1894103285Sikob * IEEE1394 XFER post process. 1895103285Sikob */ 1896103285Sikobvoid 1897103285Sikobfw_xfer_done(struct fw_xfer *xfer) 1898103285Sikob{ 1899103285Sikob if (xfer->act.hand == NULL) 1900103285Sikob return; 1901103285Sikob 1902103285Sikob#if XFER_TIMEOUT 1903103285Sikob untimeout(fw_xfer_timeout, (void *)xfer, xfer->ch); 1904103285Sikob#endif 1905103285Sikob 1906103285Sikob if (xfer->fc->status != FWBUSRESET) 1907103285Sikob xfer->act.hand(xfer); 1908103285Sikob else { 1909103285Sikob printf("fw_xfer_done: pending\n"); 1910103285Sikob if (xfer->fc != NULL) 1911103285Sikob STAILQ_INSERT_TAIL(&xfer->fc->pending, xfer, link); 1912103285Sikob else 1913103285Sikob panic("fw_xfer_done: why xfer->fc is NULL?"); 1914103285Sikob } 1915103285Sikob} 1916103285Sikob 1917103285Sikob/* 1918103285Sikob * To free IEEE1394 XFER structure. 1919103285Sikob */ 1920103285Sikobvoid fw_xfer_free( struct fw_xfer* xfer) 1921103285Sikob{ 1922103285Sikob int s; 1923103285Sikob if(xfer == NULL ) return; 1924103285Sikob if(xfer->state == FWXF_INQ){ 1925103285Sikob printf("fw_xfer_free FWXF_INQ\n"); 1926103285Sikob s = splfw(); 1927103285Sikob STAILQ_REMOVE(&xfer->q->q, xfer, fw_xfer, link); 1928103285Sikob xfer->q->queued --; 1929103285Sikob splx(s); 1930103285Sikob } 1931103285Sikob if(xfer->fc != NULL){ 1932103285Sikob if(xfer->state == FWXF_START){ 1933103285Sikob#if 0 /* this could happen if we call fwohci_arcv() before fwohci_txd() */ 1934103285Sikob printf("fw_xfer_free FWXF_START\n"); 1935103285Sikob#endif 1936103285Sikob s = splfw(); 1937103285Sikob xfer->q->drain(xfer->fc, xfer); 1938103285Sikob splx(s); 1939103285Sikob } 1940103285Sikob } 1941103285Sikob if(xfer->send.buf != NULL){ 1942103285Sikob free(xfer->send.buf, M_DEVBUF); 1943103285Sikob } 1944103285Sikob if(xfer->recv.buf != NULL){ 1945103285Sikob free(xfer->recv.buf, M_DEVBUF); 1946103285Sikob } 1947103285Sikob if(xfer->fc != NULL){ 1948103285Sikob fw_tl_free(xfer->fc, xfer); 1949103285Sikob } 1950103285Sikob free(xfer, M_DEVBUF); 1951103285Sikob} 1952103285Sikob 1953103285Sikob/* 1954103285Sikob * Callback for PHY configuration. 1955103285Sikob */ 1956103285Sikobstatic void 1957103285Sikobfw_phy_config_callback(struct fw_xfer *xfer) 1958103285Sikob{ 1959103285Sikob#if 0 1960103285Sikob printf("phy_config done state=%d resp=%d\n", 1961103285Sikob xfer->state, xfer->resp); 1962103285Sikob#endif 1963103285Sikob fw_xfer_free(xfer); 1964103285Sikob /* XXX need bus reset ?? */ 1965103285Sikob /* sc->fc->ibr(xfer->fc); LOOP */ 1966103285Sikob} 1967103285Sikob 1968103285Sikob/* 1969103285Sikob * To configure PHY. 1970103285Sikob */ 1971103285Sikobstatic void 1972103285Sikobfw_phy_config(struct firewire_comm *fc, int root_node, int gap_count) 1973103285Sikob{ 1974103285Sikob struct fw_xfer *xfer; 1975103285Sikob struct fw_pkt *fp; 1976103285Sikob 1977103285Sikob fc->status = FWBUSPHYCONF; 1978103285Sikob 1979103285Sikob DELAY(100000); 1980103285Sikob xfer = fw_xfer_alloc(); 1981103285Sikob xfer->send.len = 12; 1982103285Sikob xfer->send.off = 0; 1983103285Sikob xfer->fc = fc; 1984103285Sikob xfer->retry_req = fw_asybusy; 1985103285Sikob xfer->act.hand = fw_phy_config_callback; 1986103285Sikob 1987103285Sikob xfer->send.buf = malloc(sizeof(u_int32_t), 1988103285Sikob M_DEVBUF, M_DONTWAIT | M_ZERO); 1989103285Sikob fp = (struct fw_pkt *)xfer->send.buf; 1990103285Sikob fp->mode.ld[1] = 0; 1991103285Sikob if (root_node >= 0) 1992103285Sikob fp->mode.ld[1] |= htonl((root_node & 0x3f) << 24 | 1 << 23); 1993103285Sikob if (gap_count >= 0) 1994103285Sikob fp->mode.ld[1] |= htonl(1 << 22 | (gap_count & 0x3f) << 16); 1995103285Sikob fp->mode.ld[2] = ~fp->mode.ld[1]; 1996103285Sikob/* XXX Dangerous, how to pass PHY packet to device driver */ 1997103285Sikob fp->mode.common.tcode |= FWTCODE_PHY; 1998103285Sikob 1999103285Sikob printf("send phy_config root_node=%d gap_count=%d\n", 2000103285Sikob root_node, gap_count); 2001103285Sikob fw_asyreq(fc, -1, xfer); 2002103285Sikob} 2003103285Sikob 2004103285Sikob#if 0 2005103285Sikob/* 2006103285Sikob * Dump self ID. 2007103285Sikob */ 2008103285Sikobstatic void 2009103285Sikobfw_print_sid(u_int32_t sid) 2010103285Sikob{ 2011103285Sikob#if 0 2012103285Sikob printf("node:%d link:%d gap:%d spd:%d del:%d con:%d pwr:%d" 2013103285Sikob " p0:%d p1:%d p2:%d i:%d m:%d\n", 2014103285Sikob FWPHYSIDNODE(sid), FWPHYSIDLINK(sid), FWPHYSIDGAP(sid), 2015103285Sikob FWPHYSIDSPD(sid), FWPHYSIDDEL(sid), FWPHYSIDCON(sid), 2016103285Sikob FWPHYSIDPWR(sid), FWPHYSIDP0(sid), FWPHYSIDP1(sid), 2017103285Sikob FWPHYSIDP2(sid), FWPHYSIDIR(sid), FWPHYSIDMORE(sid)); 2018103285Sikob#else 2019103285Sikob union fw_self_id *s; 2020103285Sikob s = (union fw_self_id *) &sid; 2021103285Sikob printf("node:%d link:%d gap:%d spd:%d del:%d con:%d pwr:%d" 2022103285Sikob " p0:%d p1:%d p2:%d i:%d m:%d\n", 2023103285Sikob s->p0.phy_id, s->p0.link_active, s->p0.gap_count, 2024103285Sikob s->p0.phy_speed, s->p0.phy_delay, s->p0.contender, 2025103285Sikob s->p0.power_class, s->p0.port0, s->p0.port1, 2026103285Sikob s->p0.port2, s->p0.initiated_reset, s->p0.more_packets); 2027103285Sikob#endif 2028103285Sikob} 2029103285Sikob#endif 2030103285Sikob 2031103285Sikob/* 2032103285Sikob * To receive self ID. 2033103285Sikob */ 2034103285Sikobvoid fw_sidrcv(struct firewire_comm* fc, caddr_t buf, u_int len, u_int off) 2035103285Sikob{ 2036103285Sikob u_int32_t *p, *sid = (u_int32_t *)(buf + off); 2037103285Sikob union fw_self_id *self_id; 2038103285Sikob u_int i, j, node, c_port = 0, i_branch = 0; 2039103285Sikob 2040103285Sikob fc->sid_cnt = len /(sizeof(u_int32_t) * 2); 2041103285Sikob fc->status = FWBUSINIT; 2042103285Sikob fc->max_node = fc->nodeid & 0x3f; 2043103285Sikob CSRARC(fc, NODE_IDS) = ((u_int32_t)fc->nodeid) << 16; 2044103285Sikob fc->status = FWBUSCYMELECT; 2045103285Sikob fc->topology_map->crc_len = 2; 2046103285Sikob fc->topology_map->generation ++; 2047103285Sikob fc->topology_map->self_id_count = 0; 2048103285Sikob fc->topology_map->node_count = 0; 2049103285Sikob fc->speed_map->generation ++; 2050103285Sikob fc->speed_map->crc_len = 1 + (64*64 + 3) / 4; 2051103285Sikob self_id = &fc->topology_map->self_id[0]; 2052103285Sikob for(i = 0; i < fc->sid_cnt; i ++){ 2053103285Sikob if (sid[1] != ~sid[0]) { 2054103285Sikob printf("fw_sidrcv: invalid self-id packet\n"); 2055103285Sikob sid += 2; 2056103285Sikob continue; 2057103285Sikob } 2058103285Sikob *self_id = *((union fw_self_id *)sid); 2059103285Sikob fc->topology_map->crc_len++; 2060103285Sikob if(self_id->p0.sequel == 0){ 2061103285Sikob fc->topology_map->node_count ++; 2062103285Sikob c_port = 0; 2063103285Sikob#if 0 2064103285Sikob fw_print_sid(sid[0]); 2065103285Sikob#endif 2066103285Sikob node = self_id->p0.phy_id; 2067103285Sikob if(fc->max_node < node){ 2068103285Sikob fc->max_node = self_id->p0.phy_id; 2069103285Sikob } 2070103285Sikob /* XXX I'm not sure this is the right speed_map */ 2071103285Sikob fc->speed_map->speed[node][node] 2072103285Sikob = self_id->p0.phy_speed; 2073103285Sikob for (j = 0; j < node; j ++) { 2074103285Sikob fc->speed_map->speed[j][node] 2075103285Sikob = fc->speed_map->speed[node][j] 2076103285Sikob = min(fc->speed_map->speed[j][j], 2077103285Sikob self_id->p0.phy_speed); 2078103285Sikob } 2079103285Sikob if ((fc->irm == -1 || self_id->p0.phy_id > fc->irm) && 2080103285Sikob (self_id->p0.link_active && self_id->p0.contender)) { 2081103285Sikob fc->irm = self_id->p0.phy_id; 2082103285Sikob } 2083103285Sikob if(self_id->p0.port0 >= 0x2){ 2084103285Sikob c_port++; 2085103285Sikob } 2086103285Sikob if(self_id->p0.port1 >= 0x2){ 2087103285Sikob c_port++; 2088103285Sikob } 2089103285Sikob if(self_id->p0.port2 >= 0x2){ 2090103285Sikob c_port++; 2091103285Sikob } 2092103285Sikob } 2093103285Sikob if(c_port > 2){ 2094103285Sikob i_branch += (c_port - 2); 2095103285Sikob } 2096103285Sikob sid += 2; 2097103285Sikob self_id++; 2098103285Sikob fc->topology_map->self_id_count ++; 2099103285Sikob } 2100103285Sikob printf("%s: %d nodes", device_get_nameunit(fc->dev), fc->max_node + 1); 2101103285Sikob /* CRC */ 2102103285Sikob fc->topology_map->crc = fw_crc16( 2103103285Sikob (u_int32_t *)&fc->topology_map->generation, 2104103285Sikob fc->topology_map->crc_len * 4); 2105103285Sikob fc->speed_map->crc = fw_crc16( 2106103285Sikob (u_int32_t *)&fc->speed_map->generation, 2107103285Sikob fc->speed_map->crc_len * 4); 2108103285Sikob /* byteswap and copy to CSR */ 2109103285Sikob p = (u_int32_t *)fc->topology_map; 2110103285Sikob for (i = 0; i <= fc->topology_map->crc_len; i++) 2111103285Sikob CSRARC(fc, TOPO_MAP + i * 4) = htonl(*p++); 2112103285Sikob p = (u_int32_t *)fc->speed_map; 2113103285Sikob CSRARC(fc, SPED_MAP) = htonl(*p++); 2114103285Sikob CSRARC(fc, SPED_MAP + 4) = htonl(*p++); 2115103285Sikob /* don't byte-swap u_int8_t array */ 2116103285Sikob bcopy(p, &CSRARC(fc, SPED_MAP + 8), (fc->speed_map->crc_len - 1)*4); 2117103285Sikob 2118103285Sikob fc->max_hop = fc->max_node - i_branch; 2119103285Sikob#if 1 2120103285Sikob printf(", maxhop <= %d", fc->max_hop); 2121103285Sikob#endif 2122103285Sikob 2123103285Sikob if(fc->irm == -1 ){ 2124103285Sikob printf(", Not found IRM capable node"); 2125103285Sikob }else{ 2126103285Sikob printf(", cable IRM = %d", fc->irm); 2127103285Sikob if (fc->irm == fc->nodeid) 2128103285Sikob printf(" (me)\n"); 2129103285Sikob else 2130103285Sikob printf("\n"); 2131103285Sikob } 2132103285Sikob 2133103285Sikob if((fc->irm != -1) && (CSRARC(fc, BUS_MGR_ID) == 0x3f) ){ 2134103285Sikob if(fc->irm == ((CSRARC(fc, NODE_IDS) >> 16 ) & 0x3f)){ 2135103285Sikob fc->status = FWBUSMGRDONE; 2136103285Sikob CSRARC(fc, BUS_MGR_ID) = fc->set_bmr(fc, fc->irm); 2137103285Sikob }else{ 2138103285Sikob fc->status = FWBUSMGRELECT; 2139103285Sikob fc->bmrhandle = timeout((timeout_t *)fw_try_bmr,(void *)fc, hz / 8); 2140103285Sikob } 2141103285Sikob }else{ 2142103285Sikob fc->status = FWBUSMGRDONE; 2143103285Sikob printf("%s: BMR = %x\n", device_get_nameunit(fc->dev), CSRARC(fc, BUS_MGR_ID)); 2144103285Sikob } 2145103285Sikob free(buf, M_DEVBUF); 2146103285Sikob#if 1 2147103285Sikob /* XXX optimize gap_count, if I am BMGR */ 2148103285Sikob if(fc->irm == ((CSRARC(fc, NODE_IDS) >> 16 ) & 0x3f)){ 2149103285Sikob fw_phy_config(fc, -1, gap_cnt[fc->max_hop]); 2150103285Sikob } 2151103285Sikob#endif 2152103285Sikob#if 1 2153103285Sikob timeout((timeout_t *)fw_bus_probe, (void *)fc, hz/4); 2154103285Sikob#else 2155103285Sikob fw_bus_probe(fc); 2156103285Sikob#endif 2157103285Sikob} 2158103285Sikob/* 2159103285Sikob * To probe devices on the IEEE1394 bus. 2160103285Sikob */ 2161103285Sikobstatic void fw_bus_probe(struct firewire_comm *fc) 2162103285Sikob{ 2163103285Sikob int s; 2164103285Sikob struct fw_device *fwdev, *next; 2165103285Sikob 2166103285Sikob s = splfw(); 2167103285Sikob fc->status = FWBUSEXPLORE; 2168103285Sikob fc->retry_count = 0; 2169103285Sikob 2170103285Sikob/* 2171103285Sikob * Invalidate all devices, just after bus reset. Devices 2172103285Sikob * to be removed has not been seen longer time. 2173103285Sikob */ 2174103285Sikob for(fwdev = TAILQ_FIRST(&fc->devices); fwdev != NULL; fwdev = next) { 2175103285Sikob next = TAILQ_NEXT(fwdev, link); 2176103285Sikob if(fwdev->status != FWDEVINVAL){ 2177103285Sikob fwdev->status = FWDEVINVAL; 2178103285Sikob fwdev->rcnt = 0; 2179103285Sikob }else if(fwdev->rcnt < FW_MAXDEVRCNT){ 2180103285Sikob fwdev->rcnt ++; 2181103285Sikob }else{ 2182103285Sikob TAILQ_REMOVE(&fc->devices, fwdev, link); 2183103285Sikob free(fwdev, M_DEVBUF); 2184103285Sikob } 2185103285Sikob } 2186103285Sikob fc->ongonode = 0; 2187103285Sikob fc->ongoaddr = CSRROMOFF; 2188103285Sikob fc->ongodev = NULL; 2189103285Sikob fc->ongoeui.hi = 0xffffffff; fc->ongoeui.lo = 0xffffffff; 2190103285Sikob fw_bus_explore(fc); 2191103285Sikob splx(s); 2192103285Sikob} 2193103285Sikob/* 2194103285Sikob * To collect device informations on the IEEE1394 bus. 2195103285Sikob */ 2196103285Sikobstatic void fw_bus_explore(struct firewire_comm *fc ) 2197103285Sikob{ 2198103285Sikob int err = 0; 2199103285Sikob struct fw_device *fwdev, *tfwdev; 2200103285Sikob u_int32_t addr; 2201103285Sikob struct fw_xfer *xfer; 2202103285Sikob struct fw_pkt *fp; 2203103285Sikob 2204103285Sikob if(fc->status != FWBUSEXPLORE) 2205103285Sikob return; 2206103285Sikob 2207103285Sikobloop: 2208103285Sikob if(fc->ongonode == fc->nodeid) fc->ongonode++; 2209103285Sikob 2210103285Sikob if(fc->ongonode > fc->max_node) goto done; 2211103285Sikob if(fc->ongonode >= 0x3f) goto done; 2212103285Sikob 2213103285Sikob /* check link */ 2214103285Sikob /* XXX we need to check phy_id first */ 2215103285Sikob if (!fc->topology_map->self_id[fc->ongonode].p0.link_active) { 2216103285Sikob printf("fw_bus_explore: node %d link down\n", fc->ongonode); 2217103285Sikob fc->ongonode++; 2218103285Sikob goto loop; 2219103285Sikob } 2220103285Sikob 2221103285Sikob if(fc->ongoaddr <= CSRROMOFF && 2222103285Sikob fc->ongoeui.hi == 0xffffffff && 2223103285Sikob fc->ongoeui.lo == 0xffffffff ){ 2224103285Sikob fc->ongoaddr = CSRROMOFF; 2225103285Sikob addr = 0xf0000000 | fc->ongoaddr; 2226103285Sikob }else if(fc->ongoeui.hi == 0xffffffff ){ 2227103285Sikob fc->ongoaddr = CSRROMOFF + 0xc; 2228103285Sikob addr = 0xf0000000 | fc->ongoaddr; 2229103285Sikob }else if(fc->ongoeui.lo == 0xffffffff ){ 2230103285Sikob fc->ongoaddr = CSRROMOFF + 0x10; 2231103285Sikob addr = 0xf0000000 | fc->ongoaddr; 2232103285Sikob }else if(fc->ongodev == NULL){ 2233103285Sikob for(fwdev = TAILQ_FIRST(&fc->devices); fwdev != NULL; 2234103285Sikob fwdev = TAILQ_NEXT(fwdev, link)){ 2235103285Sikob if(fwdev->eui.hi == fc->ongoeui.hi && fwdev->eui.lo == fc->ongoeui.lo){ 2236103285Sikob break; 2237103285Sikob } 2238103285Sikob } 2239103285Sikob if(fwdev != NULL){ 2240103285Sikob fwdev->dst = fc->ongonode; 2241103285Sikob fwdev->status = FWDEVATTACHED; 2242103285Sikob fc->ongonode++; 2243103285Sikob fc->ongoaddr = CSRROMOFF; 2244103285Sikob fc->ongodev = NULL; 2245103285Sikob fc->ongoeui.hi = 0xffffffff; fc->ongoeui.lo = 0xffffffff; 2246103285Sikob goto loop; 2247103285Sikob } 2248103285Sikob fwdev = malloc(sizeof(struct fw_device), M_DEVBUF, M_DONTWAIT); 2249103285Sikob if(fwdev == NULL) 2250103285Sikob return; 2251103285Sikob fwdev->rommax = 0; 2252103285Sikob fwdev->dst = fc->ongonode; 2253103285Sikob fwdev->eui.hi = fc->ongoeui.hi; fwdev->eui.lo = fc->ongoeui.lo; 2254103285Sikob fwdev->status = FWDEVINIT; 2255103285Sikob#if 0 2256103285Sikob fwdev->speed = CSRARC(fc, SPED_MAP + 8 + fc->ongonode / 4) 2257103285Sikob >> ((3 - (fc->ongonode % 4)) * 8); 2258103285Sikob#else 2259103285Sikob fwdev->speed = fc->speed_map->speed[fc->nodeid][fc->ongonode]; 2260103285Sikob#endif 2261103285Sikob 2262103285Sikob#if 0 2263103285Sikob TAILQ_INSERT_TAIL(&fc->devices, fwdev, link); 2264103285Sikob#else 2265103285Sikob tfwdev = TAILQ_FIRST(&fc->devices); 2266103285Sikob while( tfwdev != NULL && 2267103285Sikob (tfwdev->eui.hi > fwdev->eui.hi) && 2268103285Sikob ((tfwdev->eui.hi == fwdev->eui.hi) && 2269103285Sikob tfwdev->eui.lo > fwdev->eui.lo)){ 2270103285Sikob tfwdev = TAILQ_NEXT( tfwdev, link); 2271103285Sikob } 2272103285Sikob if(tfwdev == NULL){ 2273103285Sikob TAILQ_INSERT_TAIL(&fc->devices, fwdev, link); 2274103285Sikob }else{ 2275103285Sikob TAILQ_INSERT_BEFORE(tfwdev, fwdev, link); 2276103285Sikob } 2277103285Sikob#endif 2278103285Sikob 2279103285Sikob printf("%s:Discover new %s device ID:%08x%08x\n", device_get_nameunit(fc->dev), linkspeed[fwdev->speed], fc->ongoeui.hi, fc->ongoeui.lo); 2280103285Sikob 2281103285Sikob fc->ongodev = fwdev; 2282103285Sikob fc->ongoaddr = CSRROMOFF; 2283103285Sikob addr = 0xf0000000 | fc->ongoaddr; 2284103285Sikob }else{ 2285103285Sikob addr = 0xf0000000 | fc->ongoaddr; 2286103285Sikob } 2287103285Sikob#if 0 2288103285Sikob xfer = asyreqq(fc, FWSPD_S100, 0, 0, 2289103285Sikob ((FWLOCALBUS | fc->ongonode) << 16) | 0xffff , addr, 2290103285Sikob fw_bus_explore_callback); 2291103285Sikob if(xfer == NULL) goto done; 2292103285Sikob#else 2293103285Sikob xfer = fw_xfer_alloc(); 2294103285Sikob if(xfer == NULL){ 2295103285Sikob goto done; 2296103285Sikob } 2297103285Sikob xfer->send.len = 16; 2298103285Sikob xfer->spd = 0; 2299103285Sikob xfer->send.buf = malloc(16, M_DEVBUF, M_DONTWAIT); 2300103285Sikob if(xfer->send.buf == NULL){ 2301103285Sikob fw_xfer_free( xfer); 2302103285Sikob return; 2303103285Sikob } 2304103285Sikob 2305103285Sikob xfer->send.off = 0; 2306103285Sikob fp = (struct fw_pkt *)xfer->send.buf; 2307103285Sikob fp->mode.rreqq.dest_hi = htons(0xffff); 2308103285Sikob fp->mode.rreqq.tlrt = 0; 2309103285Sikob fp->mode.rreqq.tcode = FWTCODE_RREQQ; 2310103285Sikob fp->mode.rreqq.pri = 0; 2311103285Sikob fp->mode.rreqq.src = 0; 2312103285Sikob xfer->dst = FWLOCALBUS | fc->ongonode; 2313103285Sikob fp->mode.rreqq.dst = htons(xfer->dst); 2314103285Sikob fp->mode.rreqq.dest_lo = htonl(addr); 2315103285Sikob xfer->act.hand = fw_bus_explore_callback; 2316103285Sikob 2317103285Sikob err = fw_asyreq(fc, -1, xfer); 2318103285Sikob if(err){ 2319103285Sikob fw_xfer_free( xfer); 2320103285Sikob return; 2321103285Sikob } 2322103285Sikob#endif 2323103285Sikob return; 2324103285Sikobdone: 2325103285Sikob /* fw_attach_devs */ 2326103285Sikob fc->status = FWBUSEXPDONE; 2327103285Sikob printf("bus_explore done\n"); 2328103285Sikob fw_attach_dev(fc); 2329103285Sikob return; 2330103285Sikob 2331103285Sikob} 2332103285Sikob/* Portable Async. request read quad */ 2333103285Sikobstruct fw_xfer *asyreqq(struct firewire_comm *fc, 2334103285Sikob u_int8_t spd, u_int8_t tl, u_int8_t rt, 2335103285Sikob u_int32_t addr_hi, u_int32_t addr_lo, void *hand __P()) 2336103285Sikob{ 2337103285Sikob struct fw_xfer *xfer; 2338103285Sikob struct fw_pkt *fp; 2339103285Sikob int err; 2340103285Sikob 2341103285Sikob xfer = fw_xfer_alloc(); 2342103285Sikob if(xfer == NULL){ 2343103285Sikob return NULL; 2344103285Sikob } 2345103285Sikob xfer->send.len = 16; 2346103285Sikob xfer->spd = spd; /* XXX:min(spd, fc->spd) */ 2347103285Sikob xfer->send.buf = malloc(16, M_DEVBUF, M_DONTWAIT); 2348103285Sikob if(xfer->send.buf == NULL){ 2349103285Sikob fw_xfer_free( xfer); 2350103285Sikob return NULL; 2351103285Sikob } 2352103285Sikob 2353103285Sikob xfer->send.off = 0; 2354103285Sikob fp = (struct fw_pkt *)xfer->send.buf; 2355103285Sikob fp->mode.rreqq.dest_hi = htons(addr_hi & 0xffff); 2356103285Sikob if(tl & FWP_TL_VALID){ 2357103285Sikob fp->mode.rreqq.tlrt = (tl & 0x3f) << 2; 2358103285Sikob }else{ 2359103285Sikob fp->mode.rreqq.tlrt = 0; 2360103285Sikob } 2361103285Sikob fp->mode.rreqq.tlrt |= rt & 0x3; 2362103285Sikob fp->mode.rreqq.tcode = FWTCODE_RREQQ; 2363103285Sikob fp->mode.rreqq.pri = 0; 2364103285Sikob fp->mode.rreqq.src = 0; 2365103285Sikob xfer->dst = addr_hi >> 16; 2366103285Sikob fp->mode.rreqq.dst = htons(xfer->dst); 2367103285Sikob fp->mode.rreqq.dest_lo = htonl(addr_lo); 2368103285Sikob xfer->act.hand = hand; 2369103285Sikob 2370103285Sikob err = fw_asyreq(fc, -1, xfer); 2371103285Sikob if(err){ 2372103285Sikob fw_xfer_free( xfer); 2373103285Sikob return NULL; 2374103285Sikob } 2375103285Sikob return xfer; 2376103285Sikob} 2377103285Sikob/* 2378103285Sikob * Callback for the IEEE1394 bus information collection. 2379103285Sikob */ 2380103285Sikobstatic void fw_bus_explore_callback(struct fw_xfer *xfer){ 2381103285Sikob struct firewire_comm *fc; 2382103285Sikob struct fw_pkt *sfp,*rfp; 2383103285Sikob struct csrhdr *chdr; 2384103285Sikob struct csrdir *csrd; 2385103285Sikob struct csrreg *csrreg; 2386103285Sikob u_int32_t offset; 2387103285Sikob 2388103285Sikob 2389103285Sikob if(xfer == NULL) return; 2390103285Sikob fc = xfer->fc; 2391103285Sikob if(xfer->resp != 0){ 2392103285Sikob printf("resp != 0: node=%d addr=0x%x\n", 2393103285Sikob fc->ongonode, fc->ongoaddr); 2394103285Sikob fc->retry_count++; 2395103285Sikob goto nextnode; 2396103285Sikob } 2397103285Sikob 2398103285Sikob if(xfer->send.buf == NULL){ 2399103285Sikob printf("send.buf == NULL: node=%d addr=0x%x\n", 2400103285Sikob fc->ongonode, fc->ongoaddr); 2401103285Sikob printf("send.buf == NULL\n"); 2402103285Sikob fc->retry_count++; 2403103285Sikob goto nextnode; 2404103285Sikob } 2405103285Sikob sfp = (struct fw_pkt *)xfer->send.buf; 2406103285Sikob 2407103285Sikob if(xfer->recv.buf == NULL){ 2408103285Sikob printf("recv.buf == NULL: node=%d addr=0x%x\n", 2409103285Sikob fc->ongonode, fc->ongoaddr); 2410103285Sikob fc->retry_count++; 2411103285Sikob goto nextnode; 2412103285Sikob } 2413103285Sikob rfp = (struct fw_pkt *)xfer->recv.buf; 2414103285Sikob#if 0 2415103285Sikob { 2416103285Sikob u_int32_t *qld; 2417103285Sikob int i; 2418103285Sikob qld = (u_int32_t *)xfer->recv.buf; 2419103285Sikob printf("len:%d\n", xfer->recv.len); 2420103285Sikob for( i = 0 ; i <= xfer->recv.len && i < 32; i+= 4){ 2421103285Sikob printf("0x%08x ", ntohl(rfp->mode.ld[i/4])); 2422103285Sikob if((i % 16) == 15) printf("\n"); 2423103285Sikob } 2424103285Sikob if((i % 16) != 15) printf("\n"); 2425103285Sikob } 2426103285Sikob#endif 2427103285Sikob if(fc->ongodev == NULL){ 2428103285Sikob if(sfp->mode.rreqq.dest_lo == htonl((0xf0000000 | CSRROMOFF))){ 2429103285Sikob rfp->mode.rresq.data = ntohl(rfp->mode.rresq.data); 2430103285Sikob chdr = (struct csrhdr *)(&rfp->mode.rresq.data); 2431103285Sikob/* If CSR is minimul confinguration, more investgation is not needed. */ 2432103285Sikob if(chdr->info_len == 1){ 2433103285Sikob goto nextnode; 2434103285Sikob }else{ 2435103285Sikob fc->ongoaddr = CSRROMOFF + 0xc; 2436103285Sikob } 2437103285Sikob }else if(sfp->mode.rreqq.dest_lo == htonl((0xf0000000 |(CSRROMOFF + 0xc)))){ 2438103285Sikob fc->ongoeui.hi = ntohl(rfp->mode.rresq.data); 2439103285Sikob fc->ongoaddr = CSRROMOFF + 0x10; 2440103285Sikob }else if(sfp->mode.rreqq.dest_lo == htonl((0xf0000000 |(CSRROMOFF + 0x10)))){ 2441103285Sikob fc->ongoeui.lo = ntohl(rfp->mode.rresq.data); 2442103285Sikob if (fc->ongoeui.hi == 0 && fc->ongoeui.lo == 0) 2443103285Sikob goto nextnode; 2444103285Sikob fc->ongoaddr = CSRROMOFF; 2445103285Sikob } 2446103285Sikob }else{ 2447103285Sikob fc->ongodev->csrrom[(fc->ongoaddr - CSRROMOFF)/4] = ntohl(rfp->mode.rresq.data); 2448103285Sikob if(fc->ongoaddr > fc->ongodev->rommax){ 2449103285Sikob fc->ongodev->rommax = fc->ongoaddr; 2450103285Sikob } 2451103285Sikob csrd = SLIST_FIRST(&fc->ongocsr); 2452103285Sikob if((csrd = SLIST_FIRST(&fc->ongocsr)) == NULL){ 2453103285Sikob chdr = (struct csrhdr *)(fc->ongodev->csrrom); 2454103285Sikob offset = CSRROMOFF; 2455103285Sikob }else{ 2456103285Sikob chdr = (struct csrhdr *)&fc->ongodev->csrrom[(csrd->off - CSRROMOFF)/4]; 2457103285Sikob offset = csrd->off; 2458103285Sikob } 2459103285Sikob if(fc->ongoaddr > (CSRROMOFF + 0x14) && fc->ongoaddr != offset){ 2460103285Sikob csrreg = (struct csrreg *)&fc->ongodev->csrrom[(fc->ongoaddr - CSRROMOFF)/4]; 2461103285Sikob if( csrreg->key == 0x81 || csrreg->key == 0xd1){ 2462103285Sikob csrd = SLIST_FIRST(&fc->csrfree); 2463103285Sikob if(csrd == NULL){ 2464103285Sikob goto nextnode; 2465103285Sikob }else{ 2466103285Sikob csrd->ongoaddr = fc->ongoaddr; 2467103285Sikob fc->ongoaddr += csrreg->val * 4; 2468103285Sikob csrd->off = fc->ongoaddr; 2469103285Sikob SLIST_REMOVE_HEAD(&fc->csrfree, link); 2470103285Sikob SLIST_INSERT_HEAD(&fc->ongocsr, csrd, link); 2471103285Sikob goto nextaddr; 2472103285Sikob } 2473103285Sikob } 2474103285Sikob } 2475103285Sikob fc->ongoaddr += 4; 2476103285Sikob if(((fc->ongoaddr - offset)/4 > chdr->crc_len) && 2477103285Sikob (fc->ongodev->rommax < 0x414)){ 2478103285Sikob if(fc->ongodev->rommax <= 0x414){ 2479103285Sikob csrd = SLIST_FIRST(&fc->csrfree); 2480103285Sikob if(csrd == NULL) goto nextnode; 2481103285Sikob csrd->off = fc->ongoaddr; 2482103285Sikob csrd->ongoaddr = fc->ongoaddr; 2483103285Sikob SLIST_REMOVE_HEAD(&fc->csrfree, link); 2484103285Sikob SLIST_INSERT_HEAD(&fc->ongocsr, csrd, link); 2485103285Sikob } 2486103285Sikob goto nextaddr; 2487103285Sikob } 2488103285Sikob 2489103285Sikob while(((fc->ongoaddr - offset)/4 > chdr->crc_len)){ 2490103285Sikob if(csrd == NULL){ 2491103285Sikob goto nextnode; 2492103285Sikob }; 2493103285Sikob fc->ongoaddr = csrd->ongoaddr + 4; 2494103285Sikob SLIST_REMOVE_HEAD(&fc->ongocsr, link); 2495103285Sikob SLIST_INSERT_HEAD(&fc->csrfree, csrd, link); 2496103285Sikob csrd = SLIST_FIRST(&fc->ongocsr); 2497103285Sikob if((csrd = SLIST_FIRST(&fc->ongocsr)) == NULL){ 2498103285Sikob chdr = (struct csrhdr *)(fc->ongodev->csrrom); 2499103285Sikob offset = CSRROMOFF; 2500103285Sikob }else{ 2501103285Sikob chdr = (struct csrhdr *)&(fc->ongodev->csrrom[(csrd->off - CSRROMOFF)/4]); 2502103285Sikob offset = csrd->off; 2503103285Sikob } 2504103285Sikob } 2505103285Sikob if((fc->ongoaddr - CSRROMOFF) > CSRROMSIZE){ 2506103285Sikob goto nextnode; 2507103285Sikob } 2508103285Sikob } 2509103285Sikobnextaddr: 2510103285Sikob fw_xfer_free( xfer); 2511103285Sikob fw_bus_explore(fc); 2512103285Sikob return; 2513103285Sikobnextnode: 2514103285Sikob fw_xfer_free( xfer); 2515103285Sikob fc->ongonode++; 2516103285Sikob/* housekeeping work space */ 2517103285Sikob fc->ongoaddr = CSRROMOFF; 2518103285Sikob fc->ongodev = NULL; 2519103285Sikob fc->ongoeui.hi = 0xffffffff; fc->ongoeui.lo = 0xffffffff; 2520103285Sikob while((csrd = SLIST_FIRST(&fc->ongocsr)) != NULL){ 2521103285Sikob SLIST_REMOVE_HEAD(&fc->ongocsr, link); 2522103285Sikob SLIST_INSERT_HEAD(&fc->csrfree, csrd, link); 2523103285Sikob } 2524103285Sikob fw_bus_explore(fc); 2525103285Sikob return; 2526103285Sikob} 2527103285Sikob/* 2528103285Sikob * Async. write responce support for kernel internal use. 2529103285Sikob */ 2530103285Sikobint fw_writeres(struct firewire_comm *fc, u_int32_t dst, u_int32_t tlrt){ 2531103285Sikob int err = 0; 2532103285Sikob struct fw_xfer *xfer; 2533103285Sikob struct fw_pkt *fp; 2534103285Sikob 2535103285Sikob xfer = fw_xfer_alloc(); 2536103285Sikob if(xfer == NULL){ 2537103285Sikob err = ENOMEM; 2538103285Sikob return err; 2539103285Sikob } 2540103285Sikob xfer->send.len = 12; 2541103285Sikob xfer->spd = 0; 2542103285Sikob xfer->send.buf = malloc(xfer->send.len, M_DEVBUF, M_NOWAIT); 2543103285Sikob if(xfer->send.buf == NULL){ 2544103285Sikob return ENOMEM; 2545103285Sikob } 2546103285Sikob xfer->send.off = 0; 2547103285Sikob fp = (struct fw_pkt *)xfer->send.buf; 2548103285Sikob 2549103285Sikob fp->mode.wres.tlrt = tlrt; 2550103285Sikob fp->mode.wres.tcode = FWTCODE_WRES; 2551103285Sikob fp->mode.wres.pri = 0; 2552103285Sikob fp->mode.wres.dst = htons(dst); 2553103285Sikob 2554103285Sikob xfer->act.hand = fw_asy_callback; 2555103285Sikob err = fw_asyreq(fc, -1, xfer); 2556103285Sikob if(err){ 2557103285Sikob fw_xfer_free( xfer); 2558103285Sikob return err; 2559103285Sikob } 2560103285Sikob err = tsleep((caddr_t)xfer, FWPRI, "asyreq", 0); 2561103285Sikob fw_xfer_free( xfer); 2562103285Sikob 2563103285Sikob return err; 2564103285Sikob} 2565103285Sikob/* 2566103285Sikob * Async. read responce block support for kernel internal use. 2567103285Sikob */ 2568103285Sikobint fw_readresb(struct firewire_comm *fc, u_int32_t dst, u_int32_t tlrt, u_int32_t len, u_int32_t *buf){ 2569103285Sikob int err = 0; 2570103285Sikob struct fw_xfer *xfer ; 2571103285Sikob struct fw_pkt *fp; 2572103285Sikob 2573103285Sikob xfer = fw_xfer_alloc(); 2574103285Sikob if(xfer == NULL){ 2575103285Sikob err = ENOMEM; 2576103285Sikob return err; 2577103285Sikob } 2578103285Sikob xfer->send.len = sizeof(struct fw_pkt) + len; 2579103285Sikob xfer->spd = 0; 2580103285Sikob xfer->send.buf = malloc(sizeof(struct fw_pkt) + 1024, M_DEVBUF, M_DONTWAIT); 2581103285Sikob if(xfer->send.buf == NULL){ 2582103285Sikob return ENOMEM; 2583103285Sikob } 2584103285Sikob xfer->send.off = 0; 2585103285Sikob fp = (struct fw_pkt *)xfer->send.buf; 2586103285Sikob fp->mode.rresb.tlrt = tlrt; 2587103285Sikob fp->mode.rresb.tcode = FWTCODE_RRESB; 2588103285Sikob fp->mode.rresb.pri = 0; 2589103285Sikob fp->mode.rresb.dst = htons(dst); 2590103285Sikob fp->mode.rresb.rtcode = 0; 2591103285Sikob fp->mode.rresb.extcode = 0; 2592103285Sikob fp->mode.rresb.len = htons(len); 2593103285Sikob bcopy(buf, fp->mode.rresb.payload, len); 2594103285Sikob xfer->act.hand = fw_asy_callback; 2595103285Sikob err = fw_asyreq(fc, -1, xfer); 2596103285Sikob if(err){ 2597103285Sikob fw_xfer_free( xfer); 2598103285Sikob return err; 2599103285Sikob } 2600103285Sikob err = tsleep((caddr_t)xfer, FWPRI, "asyreq", 0); 2601103285Sikob 2602103285Sikob fw_xfer_free( xfer); 2603103285Sikob return err; 2604103285Sikob} 2605103285Sikob/* 2606103285Sikob * Async. write request block support for kernel internal use. 2607103285Sikob */ 2608103285Sikobint fw_writereqb(struct firewire_comm *fc, u_int32_t addr_hi, u_int32_t addr_lo, u_int len, u_int32_t *buf){ 2609103285Sikob int err = 0; 2610103285Sikob struct fw_xfer *xfer ; 2611103285Sikob struct fw_pkt *fp; 2612103285Sikob 2613103285Sikob xfer = fw_xfer_alloc(); 2614103285Sikob if(xfer == NULL){ 2615103285Sikob err = ENOMEM; 2616103285Sikob return err; 2617103285Sikob } 2618103285Sikob xfer->send.len = sizeof(struct fw_pkt) + len; 2619103285Sikob xfer->spd = 0; 2620103285Sikob xfer->send.buf = malloc(sizeof(struct fw_pkt) + 1024, M_DEVBUF, M_DONTWAIT); 2621103285Sikob if(xfer->send.buf == NULL){ 2622103285Sikob return ENOMEM; 2623103285Sikob } 2624103285Sikob xfer->send.off = 0; 2625103285Sikob fp = (struct fw_pkt *)xfer->send.buf; 2626103285Sikob fp->mode.wreqb.dest_hi = htonl(addr_hi & 0xffff); 2627103285Sikob fp->mode.wreqb.tlrt = 0; 2628103285Sikob fp->mode.wreqb.tcode = FWTCODE_WREQB; 2629103285Sikob fp->mode.wreqb.pri = 0; 2630103285Sikob fp->mode.wreqb.dst = htons(addr_hi >> 16); 2631103285Sikob fp->mode.wreqb.dest_lo = htonl(addr_lo); 2632103285Sikob fp->mode.wreqb.len = htons(len); 2633103285Sikob fp->mode.wreqb.extcode = 0; 2634103285Sikob bcopy(buf, fp->mode.wreqb.payload, len); 2635103285Sikob xfer->act.hand = fw_asy_callback; 2636103285Sikob err = fw_asyreq(fc, -1, xfer); 2637103285Sikob if(err){ 2638103285Sikob fw_xfer_free( xfer); 2639103285Sikob return err; 2640103285Sikob } 2641103285Sikob err = tsleep((caddr_t)xfer, FWPRI, "asyreq", 0); 2642103285Sikob 2643103285Sikob fw_xfer_free( xfer); 2644103285Sikob return err; 2645103285Sikob} 2646103285Sikob/* 2647103285Sikob * Async. read request support for kernel internal use. 2648103285Sikob */ 2649103285Sikobint fw_readreqq(struct firewire_comm *fc, u_int32_t addr_hi, u_int32_t addr_lo, u_int32_t *ret){ 2650103285Sikob int err = 0; 2651103285Sikob struct fw_xfer *xfer ; 2652103285Sikob struct fw_pkt *fp, *rfp; 2653103285Sikob 2654103285Sikob xfer = fw_xfer_alloc(); 2655103285Sikob if(xfer == NULL){ 2656103285Sikob err = ENOMEM; 2657103285Sikob return err; 2658103285Sikob } 2659103285Sikob xfer->send.len = 16; 2660103285Sikob xfer->spd = 0; 2661103285Sikob xfer->send.buf = malloc(16, M_DEVBUF, M_DONTWAIT); 2662103285Sikob if(xfer->send.buf == NULL){ 2663103285Sikob return ENOMEM; 2664103285Sikob } 2665103285Sikob xfer->send.off = 0; 2666103285Sikob fp = (struct fw_pkt *)xfer->send.buf; 2667103285Sikob fp->mode.rreqq.dest_hi = htonl(addr_hi & 0xffff); 2668103285Sikob fp->mode.rreqq.tlrt = 0; 2669103285Sikob fp->mode.rreqq.tcode = FWTCODE_RREQQ; 2670103285Sikob fp->mode.rreqq.pri = 0; 2671103285Sikob xfer->dst = addr_hi >> 16; 2672103285Sikob fp->mode.rreqq.dst = htons(xfer->dst); 2673103285Sikob fp->mode.rreqq.dest_lo = htonl(addr_lo); 2674103285Sikob xfer->act.hand = fw_asy_callback; 2675103285Sikob err = fw_asyreq(fc, -1, xfer); 2676103285Sikob if(err){ 2677103285Sikob fw_xfer_free( xfer); 2678103285Sikob return err; 2679103285Sikob } 2680103285Sikob err = tsleep((caddr_t)xfer, FWPRI, "asyreq", 0); 2681103285Sikob 2682103285Sikob if(err == 0 && xfer->recv.buf != NULL){ 2683103285Sikob rfp = (struct fw_pkt *)xfer->recv.buf; 2684103285Sikob *ret = ntohl(rfp->mode.rresq.data); 2685103285Sikob } 2686103285Sikob fw_xfer_free( xfer); 2687103285Sikob return err; 2688103285Sikob} 2689103285Sikob/* 2690103285Sikob * To obtain CSR register values. 2691103285Sikob */ 2692103285Sikobu_int32_t getcsrdata(struct fw_device *fwdev, u_int8_t key) 2693103285Sikob{ 2694103285Sikob int i; 2695103285Sikob struct csrhdr *chdr; 2696103285Sikob struct csrreg *creg; 2697103285Sikob chdr = (struct csrhdr *)&fwdev->csrrom[0]; 2698103285Sikob for( i = chdr->info_len + 4; i <= fwdev->rommax - CSRROMOFF; i+=4){ 2699103285Sikob creg = (struct csrreg *)&fwdev->csrrom[i/4]; 2700103285Sikob if(creg->key == key){ 2701103285Sikob return (u_int32_t)creg->val; 2702103285Sikob } 2703103285Sikob } 2704103285Sikob return 0; 2705103285Sikob} 2706103285Sikob/* 2707103285Sikob * To attach sub-devices layer onto IEEE1394 bus. 2708103285Sikob */ 2709103285Sikobstatic void fw_attach_dev(struct firewire_comm *fc) 2710103285Sikob{ 2711103285Sikob struct fw_device *fwdev; 2712103285Sikob struct fw_xfer *xfer; 2713103285Sikob int i, err; 2714103285Sikob device_t *devlistp; 2715103285Sikob int devcnt; 2716103285Sikob struct firewire_dev_comm *fdc; 2717103285Sikob 2718103285Sikob for(fwdev = TAILQ_FIRST(&fc->devices); fwdev != NULL; 2719103285Sikob fwdev = TAILQ_NEXT(fwdev, link)){ 2720103285Sikob if(fwdev->status == FWDEVINIT){ 2721103285Sikob fwdev->spec = getcsrdata(fwdev, CSRKEY_SPEC); 2722103285Sikob if(fwdev->spec == 0) 2723103285Sikob continue; 2724103285Sikob fwdev->ver = getcsrdata(fwdev, CSRKEY_VER); 2725103285Sikob if(fwdev->ver == 0) 2726103285Sikob continue; 2727103285Sikob fwdev->maxrec = (fwdev->csrrom[2] >> 12) & 0xf; 2728103285Sikob 2729103285Sikob switch(fwdev->spec){ 2730103285Sikob case CSRVAL_ANSIT10: 2731103285Sikob switch(fwdev->ver){ 2732103285Sikob case CSRVAL_T10SBP2: 2733103285Sikob printf("Device SBP-II"); 2734103285Sikob break; 2735103285Sikob default: 2736103285Sikob break; 2737103285Sikob } 2738103285Sikob break; 2739103285Sikob case CSRVAL_1394TA: 2740103285Sikob switch(fwdev->ver){ 2741103285Sikob case CSR_PROTAVC: 2742103285Sikob printf("Device AV/C"); 2743103285Sikob break; 2744103285Sikob case CSR_PROTCAL: 2745103285Sikob printf("Device CAL"); 2746103285Sikob break; 2747103285Sikob case CSR_PROTEHS: 2748103285Sikob printf("Device EHS"); 2749103285Sikob break; 2750103285Sikob case CSR_PROTHAVI: 2751103285Sikob printf("Device HAVi"); 2752103285Sikob break; 2753103285Sikob case CSR_PROTCAM104: 2754103285Sikob printf("Device 1394 Cam 1.04"); 2755103285Sikob break; 2756103285Sikob case CSR_PROTCAM120: 2757103285Sikob printf("Device 1394 Cam 1.20"); 2758103285Sikob break; 2759103285Sikob case CSR_PROTCAM130: 2760103285Sikob printf("Device 1394 Cam 1.30"); 2761103285Sikob break; 2762103285Sikob case CSR_PROTDPP: 2763103285Sikob printf("Device 1394 Direct print"); 2764103285Sikob break; 2765103285Sikob case CSR_PROTIICP: 2766103285Sikob printf("Device Industrial & Instrument"); 2767103285Sikob break; 2768103285Sikob default: 2769103285Sikob printf("Device unkwon 1394TA"); 2770103285Sikob break; 2771103285Sikob } 2772103285Sikob break; 2773103285Sikob default: 2774103285Sikob break; 2775103285Sikob } 2776103285Sikob fwdev->status = FWDEVATTACHED; 2777103285Sikob printf("\n"); 2778103285Sikob } 2779103285Sikob } 2780103285Sikob err = device_get_children(fc->dev, &devlistp, &devcnt); 2781103285Sikob if( err != 0 ) 2782103285Sikob return; 2783103285Sikob for( i = 0 ; i < devcnt ; i++){ 2784103285Sikob if (device_get_state(devlistp[i]) >= DS_ATTACHED) { 2785103285Sikob fdc = device_get_softc(devlistp[i]); 2786103285Sikob if (fdc->post_explore != NULL) 2787103285Sikob fdc->post_explore(fdc); 2788103285Sikob } 2789103285Sikob } 2790103285Sikob free(devlistp, M_TEMP); 2791103285Sikob 2792103285Sikob /* call pending handlers */ 2793103285Sikob i = 0; 2794103285Sikob while ((xfer = STAILQ_FIRST(&fc->pending))) { 2795103285Sikob STAILQ_REMOVE_HEAD(&fc->pending, link); 2796103285Sikob i++; 2797103285Sikob if (xfer->act.hand) 2798103285Sikob xfer->act.hand(xfer); 2799103285Sikob } 2800103285Sikob if (i > 0) 2801103285Sikob printf("fw_attach_dev: %d pending handlers called\n", i); 2802103285Sikob if (fc->retry_count > 0) { 2803103285Sikob printf("retry_count = %d\n", fc->retry_count); 2804103285Sikob fc->retry_probe_handle = timeout((timeout_t *)fc->ibr, 2805103285Sikob (void *)fc, hz*2); 2806103285Sikob } 2807103285Sikob return; 2808103285Sikob} 2809103285Sikob/* 2810103285Sikob * To allocate uniq transaction label. 2811103285Sikob */ 2812103285Sikobstatic int fw_get_tlabel(struct firewire_comm *fc, struct fw_xfer *xfer) 2813103285Sikob{ 2814103285Sikob u_int i; 2815103285Sikob struct tlabel *tl, *tmptl; 2816103285Sikob int s; 2817103285Sikob static u_int32_t label = 0; 2818103285Sikob 2819103285Sikob s = splfw(); 2820103285Sikob for( i = 0 ; i < 0x40 ; i ++){ 2821103285Sikob label = (label + 1) & 0x3f; 2822103285Sikob for(tmptl = STAILQ_FIRST(&fc->tlabels[label]); 2823103285Sikob tmptl != NULL; tmptl = STAILQ_NEXT(tmptl, link)){ 2824103285Sikob if(tmptl->xfer->dst == xfer->dst) break; 2825103285Sikob } 2826103285Sikob if(tmptl == NULL) { 2827103285Sikob tl = malloc(sizeof(struct tlabel),M_DEVBUF,M_DONTWAIT); 2828103285Sikob if (tl == NULL) { 2829103285Sikob splx(s); 2830103285Sikob return (-1); 2831103285Sikob } 2832103285Sikob tl->xfer = xfer; 2833103285Sikob STAILQ_INSERT_TAIL(&fc->tlabels[label], tl, link); 2834103285Sikob splx(s); 2835103285Sikob return(label); 2836103285Sikob } 2837103285Sikob } 2838103285Sikob splx(s); 2839103285Sikob 2840103285Sikob printf("fw_get_tlabel: no free tlabel\n"); 2841103285Sikob return(-1); 2842103285Sikob} 2843103285Sikob/* 2844103285Sikob * Generic packet receving process. 2845103285Sikob */ 2846103285Sikobvoid fw_rcv(struct firewire_comm* fc, caddr_t buf, u_int len, u_int sub, u_int off, u_int spd) 2847103285Sikob{ 2848103285Sikob struct fw_pkt *fp, *resfp; 2849103285Sikob struct fw_xfer *xfer; 2850103285Sikob struct fw_bind *bind; 2851103285Sikob struct firewire_softc *sc; 2852103285Sikob int s; 2853103285Sikob#if 0 2854103285Sikob { 2855103285Sikob u_int32_t *qld; 2856103285Sikob int i; 2857103285Sikob qld = (u_int32_t *)buf; 2858103285Sikob printf("spd %d len:%d\n", spd, len); 2859103285Sikob for( i = 0 ; i <= len && i < 32; i+= 4){ 2860103285Sikob printf("0x%08x ", ntohl(qld[i/4])); 2861103285Sikob if((i % 16) == 15) printf("\n"); 2862103285Sikob } 2863103285Sikob if((i % 16) != 15) printf("\n"); 2864103285Sikob } 2865103285Sikob#endif 2866103285Sikob fp = (struct fw_pkt *)(buf + off); 2867103285Sikob switch(fp->mode.common.tcode){ 2868103285Sikob case FWTCODE_WRES: 2869103285Sikob case FWTCODE_RRESQ: 2870103285Sikob case FWTCODE_RRESB: 2871103285Sikob case FWTCODE_LRES: 2872103285Sikob xfer = fw_tl2xfer(fc, ntohs(fp->mode.hdr.src), 2873103285Sikob fp->mode.hdr.tlrt >> 2); 2874103285Sikob if(xfer == NULL) { 2875103285Sikob printf("fw_rcv: unknown response " 2876103285Sikob "tcode=%d src=0x%x tl=%x rt=%d data=0x%x\n", 2877103285Sikob fp->mode.common.tcode, 2878103285Sikob ntohs(fp->mode.hdr.src), 2879103285Sikob fp->mode.hdr.tlrt >> 2, 2880103285Sikob fp->mode.hdr.tlrt & 3, 2881103285Sikob fp->mode.rresq.data); 2882103285Sikob#if 1 2883103285Sikob printf("try ad-hoc work around!!\n"); 2884103285Sikob xfer = fw_tl2xfer(fc, ntohs(fp->mode.hdr.src), 2885103285Sikob (fp->mode.hdr.tlrt >> 2)^3); 2886103285Sikob if (xfer == NULL) { 2887103285Sikob printf("no use...\n"); 2888103285Sikob goto err; 2889103285Sikob } 2890103285Sikob#else 2891103285Sikob goto err; 2892103285Sikob#endif 2893103285Sikob } 2894103285Sikob switch(xfer->act_type){ 2895103285Sikob case FWACT_XFER: 2896103285Sikob if((xfer->sub >= 0) && 2897103285Sikob ((fc->ir[xfer->sub]->flag & FWXFERQ_MODEMASK ) == 0)){ 2898103285Sikob xfer->resp = EINVAL; 2899103285Sikob fw_xfer_done(xfer); 2900103285Sikob goto err; 2901103285Sikob } 2902103285Sikob xfer->recv.len = len; 2903103285Sikob xfer->recv.off = off; 2904103285Sikob xfer->recv.buf = buf; 2905103285Sikob xfer->resp = 0; 2906103285Sikob fw_xfer_done(xfer); 2907103285Sikob return; 2908103285Sikob break; 2909103285Sikob case FWACT_CH: 2910103285Sikob default: 2911103285Sikob goto err; 2912103285Sikob break; 2913103285Sikob } 2914103285Sikob break; 2915103285Sikob case FWTCODE_WREQQ: 2916103285Sikob case FWTCODE_WREQB: 2917103285Sikob case FWTCODE_RREQQ: 2918103285Sikob case FWTCODE_RREQB: 2919103285Sikob case FWTCODE_LREQ: 2920103285Sikob bind = fw_bindlookup(fc, ntohs(fp->mode.rreqq.dest_hi), 2921103285Sikob ntohl(fp->mode.rreqq.dest_lo)); 2922103285Sikob if(bind == NULL){ 2923103285Sikob printf("Unknown service addr 0x%08x:0x%08x tcode=%x\n", 2924103285Sikob ntohs(fp->mode.rreqq.dest_hi), 2925103285Sikob ntohl(fp->mode.rreqq.dest_lo), 2926103285Sikob fp->mode.common.tcode); 2927103285Sikob if (fc->status == FWBUSRESET) { 2928103285Sikob printf("fw_rcv: cannot response(bus reset)!\n"); 2929103285Sikob goto err; 2930103285Sikob } 2931103285Sikob xfer = fw_xfer_alloc(); 2932103285Sikob if(xfer == NULL){ 2933103285Sikob return; 2934103285Sikob } 2935103285Sikob xfer->spd = spd; 2936103285Sikob xfer->send.buf = malloc(16, M_DEVBUF, M_DONTWAIT); 2937103285Sikob resfp = (struct fw_pkt *)xfer->send.buf; 2938103285Sikob switch(fp->mode.common.tcode){ 2939103285Sikob case FWTCODE_WREQQ: 2940103285Sikob case FWTCODE_WREQB: 2941103285Sikob resfp->mode.hdr.tcode = FWTCODE_WRES; 2942103285Sikob xfer->send.len = 12; 2943103285Sikob break; 2944103285Sikob case FWTCODE_RREQQ: 2945103285Sikob resfp->mode.hdr.tcode = FWTCODE_RRESQ; 2946103285Sikob xfer->send.len = 16; 2947103285Sikob break; 2948103285Sikob case FWTCODE_RREQB: 2949103285Sikob resfp->mode.hdr.tcode = FWTCODE_RRESB; 2950103285Sikob xfer->send.len = 16; 2951103285Sikob break; 2952103285Sikob case FWTCODE_LREQ: 2953103285Sikob resfp->mode.hdr.tcode = FWTCODE_LRES; 2954103285Sikob xfer->send.len = 16; 2955103285Sikob break; 2956103285Sikob } 2957103285Sikob resfp->mode.hdr.dst = fp->mode.hdr.src; 2958103285Sikob resfp->mode.hdr.tlrt = fp->mode.hdr.tlrt; 2959103285Sikob resfp->mode.hdr.pri = fp->mode.hdr.pri; 2960103285Sikob resfp->mode.rresb.rtcode = 7; 2961103285Sikob resfp->mode.rresb.extcode = 0; 2962103285Sikob resfp->mode.rresb.len = 0; 2963103285Sikob/* 2964103285Sikob xfer->act.hand = fw_asy_callback; 2965103285Sikob*/ 2966103285Sikob xfer->act.hand = fw_xfer_free; 2967103285Sikob if(fw_asyreq(fc, -1, xfer)){ 2968103285Sikob fw_xfer_free( xfer); 2969103285Sikob return; 2970103285Sikob } 2971103285Sikob goto err; 2972103285Sikob } 2973103285Sikob switch(bind->xfer->act_type){ 2974103285Sikob case FWACT_XFER: 2975103285Sikob xfer = fw_xfer_alloc(); 2976103285Sikob if(xfer == NULL) goto err; 2977103285Sikob xfer->fc = bind->xfer->fc; 2978103285Sikob xfer->sc = bind->xfer->sc; 2979103285Sikob xfer->recv.buf = buf; 2980103285Sikob xfer->recv.len = len; 2981103285Sikob xfer->recv.off = off; 2982103285Sikob xfer->spd = spd; 2983103285Sikob xfer->act.hand = bind->xfer->act.hand; 2984103285Sikob if (fc->status != FWBUSRESET) 2985103285Sikob xfer->act.hand(xfer); 2986103285Sikob else 2987103285Sikob STAILQ_INSERT_TAIL(&fc->pending, xfer, link); 2988103285Sikob return; 2989103285Sikob break; 2990103285Sikob case FWACT_CH: 2991103285Sikob if(fc->ir[bind->xfer->sub]->queued >= 2992103285Sikob fc->ir[bind->xfer->sub]->maxq){ 2993103285Sikob printf("%s:Discard a packet %x %d\n", 2994103285Sikob device_get_nameunit(fc->dev), 2995103285Sikob bind->xfer->sub, 2996103285Sikob fc->ir[bind->xfer->sub]->queued); 2997103285Sikob goto err; 2998103285Sikob } 2999103285Sikob xfer = fw_xfer_alloc(); 3000103285Sikob if(xfer == NULL) goto err; 3001103285Sikob xfer->recv.buf = buf; 3002103285Sikob xfer->recv.len = len; 3003103285Sikob xfer->recv.off = off; 3004103285Sikob xfer->spd = spd; 3005103285Sikob s = splfw(); 3006103285Sikob fc->ir[bind->xfer->sub]->queued++; 3007103285Sikob STAILQ_INSERT_TAIL(&fc->ir[bind->xfer->sub]->q, xfer, link); 3008103285Sikob splx(s); 3009103285Sikob 3010103285Sikob wakeup((caddr_t)fc->ir[bind->xfer->sub]); 3011103285Sikob 3012103285Sikob return; 3013103285Sikob break; 3014103285Sikob default: 3015103285Sikob goto err; 3016103285Sikob break; 3017103285Sikob } 3018103285Sikob break; 3019103285Sikob case FWTCODE_STREAM: 3020103285Sikob { 3021103285Sikob struct fw_xferq *xferq; 3022103285Sikob 3023103285Sikob xferq = fc->ir[sub]; 3024103285Sikob#if 0 3025103285Sikob printf("stream rcv dma %d len %d off %d spd %d\n", 3026103285Sikob sub, len, off, spd); 3027103285Sikob#endif 3028103285Sikob if(xferq->queued >= xferq->maxq) { 3029103285Sikob printf("receive queue is full\n"); 3030103285Sikob goto err; 3031103285Sikob } 3032103285Sikob xfer = fw_xfer_alloc(); 3033103285Sikob if(xfer == NULL) goto err; 3034103285Sikob xfer->recv.buf = buf; 3035103285Sikob xfer->recv.len = len; 3036103285Sikob xfer->recv.off = off; 3037103285Sikob xfer->spd = spd; 3038103285Sikob s = splfw(); 3039103285Sikob xferq->queued++; 3040103285Sikob STAILQ_INSERT_TAIL(&xferq->q, xfer, link); 3041103285Sikob splx(s); 3042103285Sikob sc = device_get_softc(fc->bdev); 3043103285Sikob#if __FreeBSD_version >= 500000 3044103285Sikob if (SEL_WAITING(&xferq->rsel)) 3045103285Sikob#else 3046103285Sikob if (&xferq->rsel.si_pid != 0) 3047103285Sikob#endif 3048103285Sikob selwakeup(&xferq->rsel); 3049103285Sikob if (xferq->flag & FWXFERQ_WAKEUP) { 3050103285Sikob xferq->flag &= ~FWXFERQ_WAKEUP; 3051103285Sikob wakeup((caddr_t)xferq); 3052103285Sikob } 3053103285Sikob if (xferq->flag & FWXFERQ_HANDLER) { 3054103285Sikob xferq->hand(xferq); 3055103285Sikob } 3056103285Sikob return; 3057103285Sikob break; 3058103285Sikob } 3059103285Sikob default: 3060103285Sikob printf("fw_rcv: unknow tcode\n"); 3061103285Sikob break; 3062103285Sikob } 3063103285Sikoberr: 3064103285Sikob free(buf, M_DEVBUF); 3065103285Sikob} 3066103285Sikob/* 3067103285Sikob * Post process for Bus Manager election process. 3068103285Sikob */ 3069103285Sikobstatic void 3070103285Sikobfw_try_bmr_callback(struct fw_xfer *xfer) 3071103285Sikob{ 3072103285Sikob struct fw_pkt *sfp,*rfp; 3073103285Sikob struct firewire_comm *fc; 3074103285Sikob 3075103285Sikob if(xfer == NULL) return; 3076103285Sikob fc = xfer->fc; 3077103285Sikob if(xfer->resp != 0){ 3078103285Sikob goto error; 3079103285Sikob } 3080103285Sikob 3081103285Sikob if(xfer->send.buf == NULL){ 3082103285Sikob goto error; 3083103285Sikob } 3084103285Sikob sfp = (struct fw_pkt *)xfer->send.buf; 3085103285Sikob 3086103285Sikob if(xfer->recv.buf == NULL){ 3087103285Sikob goto error; 3088103285Sikob } 3089103285Sikob rfp = (struct fw_pkt *)xfer->recv.buf; 3090103285Sikob CSRARC(fc, BUS_MGR_ID) 3091103285Sikob = fc->set_bmr(fc, ntohl(rfp->mode.lres.payload[0]) & 0x3f); 3092103285Sikob printf("%s: new bus manager %d ", 3093103285Sikob device_get_nameunit(fc->dev), CSRARC(fc, BUS_MGR_ID)); 3094103285Sikob if((htonl(rfp->mode.lres.payload[0]) & 0x3f) == fc->nodeid){ 3095103285Sikob printf("(me)\n"); 3096103285Sikob/* If I am bus manager, optimize gapcount */ 3097103285Sikob if(fc->max_hop <= MAX_GAPHOP ){ 3098103285Sikob fw_phy_config(fc, -1, gap_cnt[fc->max_hop]); 3099103285Sikob } 3100103285Sikob }else{ 3101103285Sikob printf("\n"); 3102103285Sikob } 3103103285Sikoberror: 3104103285Sikob fw_xfer_free(xfer); 3105103285Sikob} 3106103285Sikob/* 3107103285Sikob * To candidate Bus Manager election process. 3108103285Sikob */ 3109103285Sikobvoid fw_try_bmr(void *arg) 3110103285Sikob{ 3111103285Sikob struct fw_xfer *xfer; 3112103285Sikob struct firewire_comm *fc = (struct firewire_comm *)arg; 3113103285Sikob struct fw_pkt *fp; 3114103285Sikob int err = 0; 3115103285Sikob 3116103285Sikob xfer = fw_xfer_alloc(); 3117103285Sikob if(xfer == NULL){ 3118103285Sikob return; 3119103285Sikob } 3120103285Sikob xfer->send.len = 24; 3121103285Sikob xfer->spd = 0; 3122103285Sikob xfer->send.buf = malloc(24, M_DEVBUF, M_DONTWAIT); 3123103285Sikob if(xfer->send.buf == NULL){ 3124103285Sikob fw_xfer_free( xfer); 3125103285Sikob return; 3126103285Sikob } 3127103285Sikob 3128103285Sikob fc->status = FWBUSMGRELECT; 3129103285Sikob 3130103285Sikob xfer->send.off = 0; 3131103285Sikob fp = (struct fw_pkt *)xfer->send.buf; 3132103285Sikob fp->mode.lreq.dest_hi = htons(0xffff); 3133103285Sikob fp->mode.lreq.tlrt = 0; 3134103285Sikob fp->mode.lreq.tcode = FWTCODE_LREQ; 3135103285Sikob fp->mode.lreq.pri = 0; 3136103285Sikob fp->mode.lreq.src = 0; 3137103285Sikob fp->mode.lreq.len = htons(8); 3138103285Sikob fp->mode.lreq.extcode = htons(FW_LREQ_CMPSWAP); 3139103285Sikob xfer->dst = FWLOCALBUS | fc->irm; 3140103285Sikob fp->mode.lreq.dst = htons(xfer->dst); 3141103285Sikob fp->mode.lreq.dest_lo = htonl(0xf0000000 | BUS_MGR_ID); 3142103285Sikob fp->mode.lreq.payload[0] = 0x3f; 3143103285Sikob fp->mode.lreq.payload[1] = fc->nodeid; 3144103285Sikob xfer->act_type = FWACT_XFER; 3145103285Sikob xfer->act.hand = fw_try_bmr_callback; 3146103285Sikob 3147103285Sikob err = fw_asyreq(fc, -1, xfer); 3148103285Sikob if(err){ 3149103285Sikob fw_xfer_free( xfer); 3150103285Sikob return; 3151103285Sikob } 3152103285Sikob return; 3153103285Sikob} 3154103285Sikob/* 3155103285Sikob * Software implementation for physical memory block access. 3156103285Sikob * XXX:Too slow, usef for debug purpose only. 3157103285Sikob */ 3158103285Sikobstatic void fw_vmaccess(struct fw_xfer *xfer){ 3159103285Sikob struct fw_pkt *rfp, *sfp = NULL; 3160103285Sikob u_int32_t *ld = (u_int32_t *)(xfer->recv.buf + xfer->recv.off); 3161103285Sikob 3162103285Sikob printf("vmaccess spd:%2x len:%03x %d data:%08x %08x %08x %08x\n", 3163103285Sikob xfer->spd, xfer->recv.len, xfer->recv.off, ntohl(ld[0]), ntohl(ld[1]), ntohl(ld[2]), ntohl(ld[3])); 3164103285Sikob printf("vmaccess data:%08x %08x %08x %08x\n", ntohl(ld[4]), ntohl(ld[5]), ntohl(ld[6]), ntohl(ld[7])); 3165103285Sikob if(xfer->resp != 0){ 3166103285Sikob fw_xfer_free( xfer); 3167103285Sikob return; 3168103285Sikob } 3169103285Sikob if(xfer->recv.buf == NULL){ 3170103285Sikob fw_xfer_free( xfer); 3171103285Sikob return; 3172103285Sikob } 3173103285Sikob rfp = (struct fw_pkt *)xfer->recv.buf; 3174103285Sikob switch(rfp->mode.hdr.tcode){ 3175103285Sikob /* XXX need fix for 64bit arch */ 3176103285Sikob case FWTCODE_WREQB: 3177103285Sikob xfer->send.buf = malloc(12, M_DEVBUF, M_NOWAIT); 3178103285Sikob xfer->send.len = 12; 3179103285Sikob sfp = (struct fw_pkt *)xfer->send.buf; 3180103285Sikob bcopy(rfp->mode.wreqb.payload, 3181103285Sikob (caddr_t)ntohl(rfp->mode.wreqb.dest_lo), ntohs(rfp->mode.wreqb.len)); 3182103285Sikob sfp->mode.wres.tcode = FWTCODE_WRES; 3183103285Sikob sfp->mode.wres.rtcode = 0; 3184103285Sikob break; 3185103285Sikob case FWTCODE_WREQQ: 3186103285Sikob xfer->send.buf = malloc(12, M_DEVBUF, M_NOWAIT); 3187103285Sikob xfer->send.len = 12; 3188103285Sikob sfp->mode.wres.tcode = FWTCODE_WRES; 3189103285Sikob *((u_int32_t *)(ntohl(rfp->mode.wreqb.dest_lo))) = rfp->mode.wreqq.data; 3190103285Sikob sfp->mode.wres.rtcode = 0; 3191103285Sikob break; 3192103285Sikob case FWTCODE_RREQB: 3193103285Sikob xfer->send.buf = malloc(16 + rfp->mode.rreqb.len, M_DEVBUF, M_NOWAIT); 3194103285Sikob xfer->send.len = 16 + ntohs(rfp->mode.rreqb.len); 3195103285Sikob sfp = (struct fw_pkt *)xfer->send.buf; 3196103285Sikob bcopy((caddr_t)ntohl(rfp->mode.rreqb.dest_lo), 3197103285Sikob sfp->mode.rresb.payload, (u_int16_t)ntohs(rfp->mode.rreqb.len)); 3198103285Sikob sfp->mode.rresb.tcode = FWTCODE_RRESB; 3199103285Sikob sfp->mode.rresb.len = rfp->mode.rreqb.len; 3200103285Sikob sfp->mode.rresb.rtcode = 0; 3201103285Sikob sfp->mode.rresb.extcode = 0; 3202103285Sikob break; 3203103285Sikob case FWTCODE_RREQQ: 3204103285Sikob xfer->send.buf = malloc(16, M_DEVBUF, M_NOWAIT); 3205103285Sikob xfer->send.len = 16; 3206103285Sikob sfp = (struct fw_pkt *)xfer->send.buf; 3207103285Sikob sfp->mode.rresq.data = *(u_int32_t *)(ntohl(rfp->mode.rreqq.dest_lo)); 3208103285Sikob sfp->mode.wres.tcode = FWTCODE_RRESQ; 3209103285Sikob sfp->mode.rresb.rtcode = 0; 3210103285Sikob break; 3211103285Sikob default: 3212103285Sikob fw_xfer_free( xfer); 3213103285Sikob return; 3214103285Sikob } 3215103285Sikob xfer->send.off = 0; 3216103285Sikob sfp->mode.hdr.dst = rfp->mode.hdr.src; 3217103285Sikob xfer->dst = ntohs(rfp->mode.hdr.src); 3218103285Sikob xfer->act.hand = fw_xfer_free; 3219103285Sikob xfer->retry_req = fw_asybusy; 3220103285Sikob 3221103285Sikob sfp->mode.hdr.tlrt = rfp->mode.hdr.tlrt; 3222103285Sikob sfp->mode.hdr.pri = 0; 3223103285Sikob 3224103285Sikob fw_asyreq(xfer->fc, -1, xfer); 3225103285Sikob/**/ 3226103285Sikob return; 3227103285Sikob} 3228103285Sikob/* 3229103285Sikob * CRC16 check-sum for IEEE1394 register blocks. 3230103285Sikob */ 3231103285Sikobu_int16_t fw_crc16(u_int32_t *ptr, u_int32_t len){ 3232103285Sikob u_int32_t i, sum, crc = 0; 3233103285Sikob int shift; 3234103285Sikob len = (len + 3) & ~3; 3235103285Sikob for(i = 0 ; i < len ; i+= 4){ 3236103285Sikob for( shift = 28 ; shift >= 0 ; shift -= 4){ 3237103285Sikob sum = ((crc >> 12) ^ (ptr[i/4] >> shift)) & 0xf; 3238103285Sikob crc = (crc << 4) ^ ( sum << 12 ) ^ ( sum << 5) ^ sum; 3239103285Sikob } 3240103285Sikob crc &= 0xffff; 3241103285Sikob } 3242103285Sikob return((u_int16_t) crc); 3243103285Sikob} 3244103285SikobDRIVER_MODULE(firewire,fwohci,firewire_driver,firewire_devclass,0,0); 3245103285SikobMODULE_VERSION(firewire, 1); 3246