1999/1117/pc/devusb.c (diff list | history)

1999/1116/sys/src/9/pc/devusb.c:32,38 – 1999/1117/sys/src/9/pc/devusb.c:32,38 (short | long | prev | next)
1999/1005		#define DPRINT if(Chatty)print
1999/1116		#define XPRINT if(debug)print
1999/1005
1999/1116		static int debug = 1;
1999/1117		static int debug = 0;
1999/1116
1999/1005		/* * USB packet definitions
1999/1116/sys/src/9/pc/devusb.c:86,96 – 1999/1117/sys/src/9/pc/devusb.c:86,97
1999/1005		ulong entries; /* address of next TD or QH to process (updated by controller) */ /* software */ union { TD* first; QH* next; /* free list */ }; TD* last;
1999/1117		QH* hlink; TD* first; QH* next; /* free list */ TD* last; ulong _d1; /* fillers */ ulong _d2;
1999/1005		}; #define QFOL(p) ((QH*)KADDR((ulong)(p) & ~0xF))
1999/1116/sys/src/9/pc/devusb.c:267,272 – 1999/1117/sys/src/9/pc/devusb.c:268,274
1999/1005		QH* ctlq; /* queue for control i/o */ QH* bwsop; /* empty bandwidth sop (to PIIX4 errata specifications) */ QH* bulkq; /* queue for bulk i/o (points back to bandwidth sop) */
1999/1117		QH* recvq; /* receive queues for bulk i/o */
1999/1005		Udev* ports[2]; };
1999/1116/sys/src/9/pc/devusb.c:371,381 – 1999/1117/sys/src/9/pc/devusb.c:373,384
1999/1005		if(t->status & LowSpeed) *s++ = 'L'; *s = 0;
1999/1007		XPRINT("td %8.8lux: l=%8.8lux s=%8.8lux d=%8.8lux b=%8.8lux %8.8lux f=%8.8lux\n",
1999/1005		t, t->link, t->status, t->dev, t->buffer, t->bp?(ulong)t->bp->rp:0, t->flags);
1999/1117		XPRINT("td %8.8lux: ", t); XPRINT("l=%8.8lux s=%8.8lux d=%8.8lux b=%8.8lux %8.8lux f=%8.8lux\n", t->link, t->status, t->dev, t->buffer, t->bp?(ulong)t->bp->rp:0, t->flags);
1999/1007		XPRINT("\ts=%s,ep=%ld,d=%ld,D=%ld\n", buf, (t->dev>>15)&0xF, (t->dev>>8)&0xFF, (t->dev>>19)&1);
1999/1005		if(t->bp) dumpdata(t->bp, n);
1999/1117		// if(t->bp && (t->flags & CancelTD) == 0 && (t->status & Active) == 0) // dumpdata(t->bp, n);
1999/1005		if(!follow || t->link & Terminate || t->link & IsQH) break; t = TFOL(t->link);
1999/1116/sys/src/9/pc/devusb.c:417,422 – 1999/1117/sys/src/9/pc/devusb.c:420,426
1999/1005		iunlock(ub); qh->head = Terminate; qh->entries = Terminate;
1999/1117		qh->hlink = nil;
1999/1005		qh->first = nil; qh->last = nil; return qh;
1999/1116/sys/src/9/pc/devusb.c:662,667 – 1999/1117/sys/src/9/pc/devusb.c:666,689
1999/1005		iunlock(&activends); }
1999/1117		static void queueqh(QH *qh) { QH *q; Ctlr *ub; ub = &ubus; // See if it's already queued for (q = ub->recvq->next; q; q = q->hlink) if (q == qh) return; if ((qh->hlink = ub->recvq->next) == nil) qh->head = Terminate; else qh->head = PADDR(ub->recvq->next) | IsQH; ub->recvq->next = qh; ub->recvq->entries = PADDR(qh) | IsQH; }
1999/1005		static QH* qxmit(Endpt *e, Block *b, int pid) {
1999/1116/sys/src/9/pc/devusb.c:670,675 – 1999/1117/sys/src/9/pc/devusb.c:692,698
1999/1005		Ctlr *ub; QH *qh;
1999/1117		XPRINT("qxmit\n");
1999/1005		if(b != nil){ n = BLEN(b); t = alloctde(e, pid, n);
1999/1116/sys/src/9/pc/devusb.c:684,692 – 1999/1117/sys/src/9/pc/devusb.c:707,717
1999/1005		if(e->debug)pprint("QTD: %8.8lux n=%ld\n", t, b?BLEN(b): 0); vf = 0; if(e->x == 0){
1999/1117		XPRINT("enq\n");
1999/1005		qh = ub->ctlq; vf = 0; }else if((qh = e->epq) == nil || e->mode != OWRITE){
1999/1117		XPRINT("bulkenq\n");
1999/1005		qh = ub->bulkq; vf = Vf; }
1999/1116/sys/src/9/pc/devusb.c:898,904 – 1999/1117/sys/src/9/pc/devusb.c:923,929
1999/1005		int q; ub = &ubus; if(e->epq == nil || (q = e->sched) < 0)
1999/1117		if(!e->periodic || (q = e->sched) < 0)
1999/1005		return; p = PADDR(e->epq) | IsQH; qlock(ub->tree);
1999/1116/sys/src/9/pc/devusb.c:918,924 – 1999/1117/sys/src/9/pc/devusb.c:943,951
1999/1005		devendpt(Udev *d, int id, int add) { Endpt *e, **p;
1999/1117		Ctlr *ub;
1999/1005
1999/1117		ub = &ubus;
1999/1005		p = &d->ep[id&0xF]; lock(d); if((e = *p) != nil){
1999/1116/sys/src/9/pc/devusb.c:1095,1100 – 1999/1117/sys/src/9/pc/devusb.c:1122,1128
1999/1005		Ctlr *ub; Endpt *e; int s;
1999/1117		QH *q;
1999/1005		ub = a; s = IN(Status);
1999/1116/sys/src/9/pc/devusb.c:1109,1114 – 1999/1117/sys/src/9/pc/devusb.c:1137,1147
1999/1116		cleanq(ub->ctlq, 0, 0); XPRINT("cleanq(ub->bulkq, 0, Vf)\n"); cleanq(ub->bulkq, 0, Vf);
1999/1117		XPRINT("clean recvq\n"); for (q = ub->recvq->next; q; q = q->hlink) { XPRINT("cleanq(q, 0, Vf)\n"); cleanq(q, 0, Vf); }
1999/1005		ilock(&activends); for(e = activends.f; e != nil; e = e->activef) if(e->epq != nil) {
1999/1116/sys/src/9/pc/devusb.c:1217,1228 – 1999/1117/sys/src/9/pc/devusb.c:1250,1261
1999/1005		static void usbreset(void) {
1999/1006		Ctlr *ub; Pcidev *cfg; int i; ulong port; QTree *qt; TD *t;
1999/1117		Ctlr *ub;
1999/1006		ub = &ubus; memset(&cfg, 0, sizeof(cfg));
1999/1116/sys/src/9/pc/devusb.c:1277,1291 – 1999/1117/sys/src/9/pc/devusb.c:1310,1330
1999/1006		* with its head entry leading on to the bulk traffic, the last QH of which * links back to the empty QH. */
1999/1117		ub->ctlq = allocqh(ub); ub->bwsop = allocqh(ub);
1999/1006		ub->bulkq = allocqh(ub);
1999/1117		ub->recvq = allocqh(ub); XPRINT("bulkq: 0x%8.8lux\n", ub->bulkq); XPRINT("recvq: 0x%8.8lux\n", ub->recvq); XPRINT("bwsop: 0x%8.8lux\n", ub->bwsop); XPRINT("ctlq: 0x%8.8lux\n", ub->ctlq);
1999/1006		t = alloctd(ub); /* inactive TD, looped */ t->link = PADDR(t); ub->bwsop = allocqh(ub); ub->bwsop->head = PADDR(ub->bulkq) | IsQH; ub->bwsop->entries = PADDR(t); ub->ctlq = allocqh(ub); ub->ctlq->head = PADDR(ub->bwsop) | IsQH;
1999/1116		ub->bulkq->head = PADDR(ub->bwsop) | IsQH; /* loop back */
1999/1117		ub->bwsop->head = PADDR(ub->bulkq) | IsQH; ub->bulkq->head = PADDR(ub->recvq) | IsQH; ub->recvq->head = PADDR(ub->bwsop) | IsQH; /* loop back */
1999/1006		print("usbcmd\t0x%.4x\nusbsts\t0x%.4x\nusbintr\t0x%.4x\nfrnum\t0x%.2x\n", IN(Cmd), IN(Status), IN(Usbintr), inb(port+Frnum)); print("frbaseadd\t0x%.4x\nsofmod\t0x%x\nportsc1\t0x%.4x\nportsc2\t0x%.4x\n",
1999/1116/sys/src/9/pc/devusb.c:1865,1871 – 1999/1117/sys/src/9/pc/devusb.c:1904,1923
1999/1005		e->mode = strcmp(fields[3],"r")==0? OREAD: strcmp(fields[3],"w") == 0? OWRITE: ORDWR; e->periodic = 0; e->sched = -1; if(strcmp(fields[4], "bulk") != 0){
1999/1117		if(strcmp(fields[4], "bulk") == 0){ Ctlr *ub; ub = &ubus; /* Each bulk device gets a queue head hanging off the * bulk queue head */ if (e->epq == nil) { e->epq = allocqh(ub); if(e->epq == nil) panic("usbwrite: allocqh"); } queueqh(e->epq); } else {
1999/1005		e->periodic = 1; i = strtoul(fields[4], nil, 0); if(i > 0 && i <= 1000)