2001/0728/port/devpnp.c (diff list | history)

2001/0728/sys/src/9/port/devpnp.c:21,26 – 2001/0731/sys/src/9/port/devpnp.c:21,27 (short | long)
2001/0728		int csn; ulong id1; ulong id2;
2001/0731		char *cfgstr;
2001/0728		int ncfg; Card* next; };
2001/0728/sys/src/9/port/devpnp.c:62,67 – 2001/0731/sys/src/9/port/devpnp.c:63,69
2001/0728		}; extern Dev pnpdevtab;
2001/0731		static int wrconfig(Card*, char*);
2001/0728		static char key[32] = {
2001/0728/sys/src/9/port/devpnp.c:230,236 – 2001/0731/sys/src/9/port/devpnp.c:232,238
2001/0728		/* look for cards, and assign them CSNs */ static int pnpscan(int rddata)
2001/0731		pnpscan(int rddata, int dawn)
2001/0728		{ Card *c; int csn, ok;
2001/0728/sys/src/9/port/devpnp.c:238,244 – 2001/0731/sys/src/9/port/devpnp.c:240,246
2001/0728		ilock(&pnp); pnp.rddata = rddata; initiation();
2001/0731		initiation(); /* upsilon sigma */
2001/0728		cmd(0x02, 0x04+0x01); /* reset CSN on all cards and reset logical devices */ delay(1); /* delay after resetting cards */
2001/0728/sys/src/9/port/devpnp.c:254,261 – 2001/0731/sys/src/9/port/devpnp.c:256,269
2001/0728		c->id1 = id1; c->id2 = id2; }
2001/0731		else if(c->cfgstr != nil) { if(!wrconfig(c, c->cfgstr)) print("pnp%d: bad cfg: %s\n", c->csn, c->cfgstr); c->cfgstr = nil; }
2001/0728		cmd(0x06, c->csn); /* set the card's csn */ print("pnp%d: %s\n", c->csn, serial(id1, id2));
2001/0731		if(dawn) print("pnp%d: %s\n", c->csn, serial(id1, id2));
2001/0728		c->ncfg = pnpncfg(rddata); cmd(0x03, 0); /* Wake all cards with a CSN of 0, putting this card to sleep */ }
2001/0728/sys/src/9/port/devpnp.c:296,308 – 2001/0731/sys/src/9/port/devpnp.c:304,321
2001/0728		x = strtoul(&s[3], 0, 16); id1 = (i1<<2)|((i2>>3)&3)|((i2&7)<<13)|(i3<<8)|((x&0xff)<<24)|((x&0xff00)<<8); id2 = strtoul(&s[8], &p, 16); if(*p != ' ' && *p != '\0')
2001/0731		if(*p == ' ') p++; else if(*p == '\0') p = nil; else
2001/0728		goto bad; c = findcsn(csn, 1); c->id1 = id1; c->id2 = id2;
2001/0731		c->cfgstr = p;
2001/0728		} pnpscan(isa.port);
2001/0731		pnpscan(isa.port, 1);
2001/0728		} static int
2001/0728/sys/src/9/port/devpnp.c:334,340 – 2001/0731/sys/src/9/port/devpnp.c:347,352
2001/0728		Card *cp; char name[KNAMELEN]; DPRINT("pnpgen s %d offset %uld qid %lux\n", s, (ulong)c->offset, (ulong)c->qid.path); switch(TYPE(c->qid)){ case Qtopdir: if(s == DEVDOTDOT){
2001/0728/sys/src/9/port/devpnp.c:351,361 – 2001/0731/sys/src/9/port/devpnp.c:363,371
2001/0728		devdir(c, q, name, 0, eve, 0555, dp); return 1; } DPRINT("Qpnpdir s %d\n", s); if(s < nelem(pnpdir))
2001/0731		if(s < nelem(pnpdir)-1)
2001/0728		return devgen(c, nil, pnpdir, nelem(pnpdir), s, dp); s -= nelem(pnpdir); DPRINT("Qpnpdir s now %d\n", s);
2001/0731		s -= nelem(pnpdir)-1;
2001/0728		ilock(&pnp); cp = pnp.cards; while(s >= 2 && cp != nil) {
2001/0728/sys/src/9/port/devpnp.c:363,369 – 2001/0731/sys/src/9/port/devpnp.c:373,378
2001/0728		cp = cp->next; } iunlock(&pnp); DPRINT("Qpnpdir s now %d, cp %p\n", s, cp); if(cp == nil) return -1; return pnpgen1(c, s+Qcsnctl, cp->csn, cp, dp);
2001/0728/sys/src/9/port/devpnp.c:472,493 – 2001/0731/sys/src/9/port/devpnp.c:481,505
2001/0728		} static long pnpwrite(Chan *c, void *a, long n, vlong offset)
2001/0731		pnpwrite(Chan *c, void *a, long n, vlong)
2001/0728		{
2001/0731		int csn; Card *cp;
2001/0728		ulong port; char buf[256];
2001/0731		if(n >= sizeof(buf)) n = sizeof(buf)-1; strncpy(buf, a, n); buf[n] = 0;
2001/0728		switch(TYPE(c->qid)){ case Qpnpctl: if(n >= sizeof(buf)) n = sizeof(buf)-1; strncpy(buf, a, n); buf[n] = 0; if(strncmp(buf, "rddata ", 7) == 0) { port = strtoul(buf+7, 0, 0);
2001/0731		if(strncmp(buf, "port ", 5) == 0) { port = strtoul(buf+5, 0, 0);
2001/0728		if(port < 0x203 || port > 0x3ff) error("bad value for rddata port"); if(!pnpscan(port))
2001/0731		if(!pnpscan(port, 0))
2001/0728		error("no cards found"); } else if(strncmp(buf, "debug ", 6) == 0)
2001/0728/sys/src/9/port/devpnp.c:495,506 – 2001/0731/sys/src/9/port/devpnp.c:507,550
2001/0728		else error(Ebadctl); break;
2001/0731		case Qcsnctl: csn = CSN(c->qid); ilock(&pnp); cp = findcsn(csn, 0); iunlock(&pnp); if(cp == nil) error(Egreg); if(!wrconfig(cp, buf)) error(Ebadctl); break;
2001/0728		default: USED(offset); error(Egreg); } return n; }
2001/0731		static int wrconfig(Card *c, char *cmd) { for(;;) { while(*cmd == ' ' || *cmd == '\t' || *cmd == '\n') cmd++; if(*cmd == '\0') break; if(strncmp(cmd, "foo ", 4) == 0) { print("pnp%d: got foo\n", c->csn); cmd += 4; } else if(strncmp(cmd, "bar ", 4) == 0) { print("pnp%d: got bar\n", c->csn); cmd += 4; } else return 0; } return 1; }
2001/0728		Dev pnpdevtab = { '$',
2001/0731/sys/src/9/port/devpnp.c:3,8 – 2001/0801/sys/src/9/port/devpnp.c:3,9 (short | long)
2001/0728		#include "mem.h" #include "dat.h" #include "fns.h"
2001/0801		#include "io.h"
2001/0728		#include "../port/error.h" typedef struct Pnp Pnp;
2001/0731/sys/src/9/port/devpnp.c:319,328 – 2001/0801/sys/src/9/port/devpnp.c:320,329
2001/0728		} static int pnpgen1(Chan *c, int t, int csn, Card *cp, Dir *dp)
2001/0801		csngen(Chan *c, int t, int csn, Card *cp, Dir *dp)
2001/0728		{ Qid q; char buf[20];
2001/0801		static char buf[20];
2001/0728		switch(t) { case Qcsnctl:
2001/0731/sys/src/9/port/devpnp.c:340,351 – 2001/0801/sys/src/9/port/devpnp.c:341,373
2001/0728		} static int
2001/0801		pcigen(Chan *c, int t, int tbdf, Dir *dp) { Qid q; static char name[KNAMELEN]; q = (Qid){BUSBDF(tbdf)|t, 0, 0}; switch(t) { case Qpcictl: snprint(name, KNAMELEN, "%d.%d.%dctl", BUSBNO(tbdf), BUSDNO(tbdf), BUSFNO(tbdf)); devdir(c, q, name, 0, eve, 0444, dp); return 1; case Qpciraw: snprint(name, KNAMELEN, "%d.%d.%draw", BUSBNO(tbdf), BUSDNO(tbdf), BUSFNO(tbdf)); devdir(c, q, name, 128, eve, 0444, dp); return 1; } return -1; } static int
2001/0728		pnpgen(Chan *c, char *, Dirtab*, int, int s, Dir *dp) { Qid q; int csn; Card *cp; char name[KNAMELEN];
2001/0801		Pcidev *p; int csn, tbdf; static char name[KNAMELEN];
2001/0728		switch(TYPE(c->qid)){ case Qtopdir:
2001/0731/sys/src/9/port/devpnp.c:375,381 – 2001/0801/sys/src/9/port/devpnp.c:397,403
2001/0728		iunlock(&pnp); if(cp == nil) return -1; return pnpgen1(c, s+Qcsnctl, cp->csn, cp, dp);
2001/0801		return csngen(c, s+Qcsnctl, cp->csn, cp, dp);
2001/0728		case Qpnpctl: return devgen(c, nil, pnpdir, nelem(pnpdir), s, dp); case Qcsnctl:
2001/0731/sys/src/9/port/devpnp.c:386,392 – 2001/0801/sys/src/9/port/devpnp.c:408,436
2001/0728		iunlock(&pnp); if(cp == nil) return -1; return pnpgen1(c, TYPE(c->qid), csn, cp, dp);
2001/0801		return csngen(c, TYPE(c->qid), csn, cp, dp); case Qpcidir: if(s == DEVDOTDOT){ q = (Qid){QID(0, Qtopdir), 0, QTDIR}; snprint(name, KNAMELEN, "#%C", pnpdevtab.dc); devdir(c, q, name, 0, eve, 0555, dp); return 1; } p = pcimatch(nil, 0, 0); while(s >= 2 && p != nil) { p = pcimatch(p, 0, 0); s -= 2; } if(p == nil) return -1; return pcigen(c, s+Qpcictl, p->tbdf, dp); case Qpcictl: case Qpciraw: tbdf = MKBUS(BusPCI, 0, 0, 0)|BUSBDF((ulong)c->qid.path); p = pcimatchtbdf(tbdf); if(p == nil) return -1; return pcigen(c, TYPE(c->qid), tbdf, dp);
2001/0728		default: break; }
2001/0731/sys/src/9/port/devpnp.c:430,438 – 2001/0801/sys/src/9/port/devpnp.c:474,483
2001/0728		static long pnpread(Chan *c, void *va, long n, vlong offset) { int csn, i; Card *cp; char *a = va, buf[20];
2001/0801		Pcidev *p; int csn, i, tbdf; char *a = va, buf[256];
2001/0728		switch(TYPE(c->qid)){ case Qtopdir:
2001/0731/sys/src/9/port/devpnp.c:474,479 – 2001/0801/sys/src/9/port/devpnp.c:519,538
2001/0728		error(Egreg); sprint(buf, "%s\n", serial(cp->id1, cp->id2)); return readstr(offset, a, n, buf);
2001/0801		case Qpcictl: tbdf = MKBUS(BusPCI, 0, 0, 0)|BUSBDF((ulong)c->qid.path); p = pcimatchtbdf(tbdf); if(p == nil) error(Egreg); snprint(buf, sizeof(buf), "class %.2x subclass %.2x piclass %.2x vid %.4x did %.4x intl %d\n", p->ccrb, p->ccru, p->ccrp, p->vid, p->did, p->intl); return readstr(offset, a, n, buf); case Qpciraw: tbdf = MKBUS(BusPCI, 0, 0, 0)|BUSBDF((ulong)c->qid.path); p = pcimatchtbdf(tbdf); if(p == nil) error(Egreg); break;
2001/0728		default: error(Egreg); }
2001/0801/sys/src/9/port/devpnp.c:1,3 – 2001/0809/sys/src/9/port/devpnp.c:1,14 (short | long)
2001/0809		/* * ISA PNP 1.0 support + access to PCI configuration space * * TODO * - implement PNP card configuration (setting io bases etc) * - implement PCI raw access to configuration space * - implement PCI access to memory/io space/BIOS ROM * - use c->aux instead of performing lookup on each read/write * * I also need to write the user program that'll drive the PNP configuration... */
2001/0728		#include "u.h" #include "../port/lib.h" #include "mem.h"
2001/0801/sys/src/9/port/devpnp.c:11,17 – 2001/0809/sys/src/9/port/devpnp.c:22,28
2001/0728		struct Pnp { Lock;
2001/0809		QLock;
2001/0728		int rddata; int debug; Card *cards;
2001/0801/sys/src/9/port/devpnp.c:167,192 – 2001/0809/sys/src/9/port/devpnp.c:178,208
2001/0728		return buf; } /* called with pnp locked */ static Card * findcsn(int csn, int create)
2001/0809		findcsn(int csn, int create, int dolock)
2001/0728		{ Card *c, *nc, **l;
2001/0809		if(dolock) qlock(&pnp);
2001/0728		l = &pnp.cards; for(c = *l; c != nil; c = *l) { if(c->csn == csn) return c;
2001/0809		goto done;
2001/0728		if(c->csn > csn) break; l = &c->next; } if(!create) return nil; *l = nc = malloc(sizeof(Card)); nc->next = c; nc->csn = csn; return nc;
2001/0809		if(create) { *l = nc = malloc(sizeof(Card)); nc->next = c; nc->csn = csn; c = nc; } done: if(dolock) qunlock(&pnp); return c;
2001/0728		} static int
2001/0801/sys/src/9/port/devpnp.c:236,246 – 2001/0809/sys/src/9/port/devpnp.c:252,260
2001/0731		pnpscan(int rddata, int dawn)
2001/0728		{ Card *c; int csn, ok;
2001/0809		int csn;
2001/0728		ulong id1, id2; ilock(&pnp); pnp.rddata = rddata;
2001/0731		initiation(); /* upsilon sigma */
2001/0728		cmd(0x02, 0x04+0x01); /* reset CSN on all cards and reset logical devices */ delay(1); /* delay after resetting cards */
2001/0801/sys/src/9/port/devpnp.c:253,259 – 2001/0809/sys/src/9/port/devpnp.c:267,273
2001/0728		break; if(c == nil) { csn = newcsn(); c = findcsn(csn, 1);
2001/0809		c = findcsn(csn, 1, 0);
2001/0728		c->id1 = id1; c->id2 = id2; }
2001/0801/sys/src/9/port/devpnp.c:269,277 – 2001/0809/sys/src/9/port/devpnp.c:283,293
2001/0728		cmd(0x03, 0); /* Wake all cards with a CSN of 0, putting this card to sleep */ } cmd(0x02, 0x02); /* return cards to Wait for Key state */ ok = (pnp.cards != 0); iunlock(&pnp); return ok;
2001/0809		if(pnp.cards != 0) { pnp.rddata = rddata; return 1; } return 0;
2001/0728		} static void
2001/0801/sys/src/9/port/devpnp.c:311,317 – 2001/0809/sys/src/9/port/devpnp.c:327,333
2001/0731		p = nil; else
2001/0728		goto bad; c = findcsn(csn, 1);
2001/0809		c = findcsn(csn, 1, 0);
2001/0728		c->id1 = id1; c->id2 = id2;
2001/0731		c->cfgstr = p;
2001/0801/sys/src/9/port/devpnp.c:323,340 – 2001/0809/sys/src/9/port/devpnp.c:339,355
2001/0801		csngen(Chan *c, int t, int csn, Card *cp, Dir *dp)
2001/0728		{ Qid q;
2001/0801		static char buf[20];
2001/0728		switch(t) { case Qcsnctl: q = (Qid){QID(csn, Qcsnctl), 0, 0}; sprint(buf, "csn%dctl", csn); devdir(c, q, buf, 0, eve, 0664, dp);
2001/0809		sprint(up->genbuf, "csn%dctl", csn); devdir(c, q, up->genbuf, 0, eve, 0664, dp);
2001/0728		return 1; case Qcsnraw: q = (Qid){QID(csn, Qcsnraw), 0, 0}; sprint(buf, "csn%draw", csn); devdir(c, q, buf, cp->ncfg, eve, 0444, dp);
2001/0809		sprint(up->genbuf, "csn%draw", csn); devdir(c, q, up->genbuf, cp->ncfg, eve, 0444, dp);
2001/0728		return 1; } return -1;
2001/0801/sys/src/9/port/devpnp.c:344,360 – 2001/0809/sys/src/9/port/devpnp.c:359,374
2001/0801		pcigen(Chan *c, int t, int tbdf, Dir *dp) { Qid q; static char name[KNAMELEN]; q = (Qid){BUSBDF(tbdf)|t, 0, 0}; switch(t) { case Qpcictl: snprint(name, KNAMELEN, "%d.%d.%dctl", BUSBNO(tbdf), BUSDNO(tbdf), BUSFNO(tbdf)); devdir(c, q, name, 0, eve, 0444, dp);
2001/0809		sprint(up->genbuf, "%d.%d.%dctl", BUSBNO(tbdf), BUSDNO(tbdf), BUSFNO(tbdf)); devdir(c, q, up->genbuf, 0, eve, 0444, dp);
2001/0801		return 1; case Qpciraw: snprint(name, KNAMELEN, "%d.%d.%draw", BUSBNO(tbdf), BUSDNO(tbdf), BUSFNO(tbdf)); devdir(c, q, name, 128, eve, 0444, dp);
2001/0809		sprint(up->genbuf, "%d.%d.%draw", BUSBNO(tbdf), BUSDNO(tbdf), BUSFNO(tbdf)); devdir(c, q, up->genbuf, 128, eve, 0444, dp);
2001/0801		return 1; } return -1;
2001/0801/sys/src/9/port/devpnp.c:367,380 – 2001/0809/sys/src/9/port/devpnp.c:381,393
2001/0728		Card *cp;
2001/0801		Pcidev *p; int csn, tbdf; static char name[KNAMELEN];
2001/0728		switch(TYPE(c->qid)){ case Qtopdir: if(s == DEVDOTDOT){ q = (Qid){QID(0, Qtopdir), 0, QTDIR}; snprint(name, KNAMELEN, "#%C", pnpdevtab.dc); devdir(c, q, name, 0, eve, 0555, dp);
2001/0809		sprint(up->genbuf, "#%C", pnpdevtab.dc); devdir(c, q, up->genbuf, 0, eve, 0555, dp);
2001/0728		return 1; } return devgen(c, nil, topdir, nelem(topdir), s, dp);
2001/0801/sys/src/9/port/devpnp.c:381,400 – 2001/0809/sys/src/9/port/devpnp.c:394,413
2001/0728		case Qpnpdir: if(s == DEVDOTDOT){ q = (Qid){QID(0, Qtopdir), 0, QTDIR}; snprint(name, KNAMELEN, "#%C", pnpdevtab.dc); devdir(c, q, name, 0, eve, 0555, dp);
2001/0809		sprint(up->genbuf, "#%C", pnpdevtab.dc); devdir(c, q, up->genbuf, 0, eve, 0555, dp);
2001/0728		return 1; }
2001/0731		if(s < nelem(pnpdir)-1)
2001/0728		return devgen(c, nil, pnpdir, nelem(pnpdir), s, dp);
2001/0731		s -= nelem(pnpdir)-1;
2001/0728		ilock(&pnp);
2001/0809		qlock(&pnp);
2001/0728		cp = pnp.cards; while(s >= 2 && cp != nil) { s -= 2; cp = cp->next; } iunlock(&pnp);
2001/0809		qunlock(&pnp);
2001/0728		if(cp == nil) return -1;
2001/0801		return csngen(c, s+Qcsnctl, cp->csn, cp, dp);
2001/0801/sys/src/9/port/devpnp.c:403,411 – 2001/0809/sys/src/9/port/devpnp.c:416,422
2001/0728		case Qcsnctl: case Qcsnraw: csn = CSN(c->qid); ilock(&pnp); cp = findcsn(csn, 0); iunlock(&pnp);
2001/0809		cp = findcsn(csn, 0, 1);
2001/0728		if(cp == nil) return -1;
2001/0801		return csngen(c, TYPE(c->qid), csn, cp, dp);
2001/0801/sys/src/9/port/devpnp.c:412,419 – 2001/0809/sys/src/9/port/devpnp.c:423,430
2001/0801		case Qpcidir: if(s == DEVDOTDOT){ q = (Qid){QID(0, Qtopdir), 0, QTDIR}; snprint(name, KNAMELEN, "#%C", pnpdevtab.dc); devdir(c, q, name, 0, eve, 0555, dp);
2001/0809		sprint(up->genbuf, "#%C", pnpdevtab.dc); devdir(c, q, up->genbuf, 0, eve, 0555, dp);
2001/0801		return 1; } p = pcimatch(nil, 0, 0);
2001/0801/sys/src/9/port/devpnp.c:477,483 – 2001/0809/sys/src/9/port/devpnp.c:488,494
2001/0728		Card *cp;
2001/0801		Pcidev *p; int csn, i, tbdf; char *a = va, buf[256];
2001/0809		char *a = va;
2001/0728		switch(TYPE(c->qid)){ case Qtopdir:
2001/0801/sys/src/9/port/devpnp.c:486,505 – 2001/0809/sys/src/9/port/devpnp.c:497,514
2001/0728		return devdirread(c, a, n, (Dirtab *)0, 0L, pnpgen); case Qpnpctl: if(pnp.rddata > 0) sprint(buf, "enabled 0x%x\n", pnp.rddata);
2001/0809		sprint(up->genbuf, "enabled 0x%x\n", pnp.rddata);
2001/0728		else sprint(buf, "disabled\n"); return readstr(offset, a, n, buf);
2001/0809		sprint(up->genbuf, "disabled\n"); return readstr(offset, a, n, up->genbuf);
2001/0728		case Qcsnraw: csn = CSN(c->qid); ilock(&pnp); cp = findcsn(csn, 0); iunlock(&pnp);
2001/0809		cp = findcsn(csn, 0, 1);
2001/0728		if(cp == nil) error(Egreg); if(offset+n > cp->ncfg) n = cp->ncfg - offset; ilock(&pnp);
2001/0809		qlock(&pnp);
2001/0728		initiation(); cmd(0x03, csn); /* Wake up the card */ for (i = 0; i < offset+9; i++) /* 9 == skip serial + csum */
2001/0801/sys/src/9/port/devpnp.c:508,532 – 2001/0809/sys/src/9/port/devpnp.c:517,539
2001/0728		a[i] = getresbyte(pnp.rddata); cmd(0x03, 0); /* Wake all cards with a CSN of 0, putting this card to sleep */ cmd(0x02, 0x02); /* return cards to Wait for Key state */ iunlock(&pnp);
2001/0809		qunlock(&pnp);
2001/0728		break; case Qcsnctl: csn = CSN(c->qid); ilock(&pnp); cp = findcsn(csn, 0); iunlock(&pnp);
2001/0809		cp = findcsn(csn, 0, 1);
2001/0728		if(cp == nil) error(Egreg); sprint(buf, "%s\n", serial(cp->id1, cp->id2)); return readstr(offset, a, n, buf);
2001/0809		sprint(up->genbuf, "%s\n", serial(cp->id1, cp->id2)); return readstr(offset, a, n, up->genbuf);
2001/0801		case Qpcictl: tbdf = MKBUS(BusPCI, 0, 0, 0)|BUSBDF((ulong)c->qid.path); p = pcimatchtbdf(tbdf); if(p == nil) error(Egreg); snprint(buf, sizeof(buf), "class %.2x subclass %.2x piclass %.2x vid %.4x did %.4x intl %d\n",
2001/0809		sprint(up->genbuf, "class %.2x subclass %.2x piclass %.2x vid %.4x did %.4x intl %d\n",
2001/0801		p->ccrb, p->ccru, p->ccrp, p->vid, p->did, p->intl); return readstr(offset, a, n, buf);
2001/0809		return readstr(offset, a, n, up->genbuf);
2001/0801		case Qpciraw: tbdf = MKBUS(BusPCI, 0, 0, 0)|BUSBDF((ulong)c->qid.path); p = pcimatchtbdf(tbdf);
2001/0801/sys/src/9/port/devpnp.c:558,565 – 2001/0809/sys/src/9/port/devpnp.c:565,580
2001/0731		port = strtoul(buf+5, 0, 0);
2001/0728		if(port < 0x203 || port > 0x3ff) error("bad value for rddata port");
2001/0809		qlock(&pnp); if(waserror()) { qunlock(&pnp); nexterror(); } if(pnp.rddata > 0) error("pnp port already set");
2001/0731		if(!pnpscan(port, 0))
2001/0728		error("no cards found");
2001/0809		qunlock(&pnp);
2001/0728		} else if(strncmp(buf, "debug ", 6) == 0) pnp.debug = strtoul(buf+6, 0, 0);
2001/0801/sys/src/9/port/devpnp.c:568,576 – 2001/0809/sys/src/9/port/devpnp.c:583,589
2001/0728		break;
2001/0731		case Qcsnctl: csn = CSN(c->qid); ilock(&pnp); cp = findcsn(csn, 0); iunlock(&pnp);
2001/0809		cp = findcsn(csn, 0, 1);
2001/0731		if(cp == nil) error(Egreg); if(!wrconfig(cp, buf))
2001/0809/sys/src/9/port/devpnp.c:624,629 – 2002/0109/sys/src/9/port/devpnp.c:624,630 (short | long)
Add devshutdown. rsc Fri Mar 4 12:44:25 2005
2001/0728		pnpreset, devinit,
2002/0109		devshutdown,
2001/0728		pnpattach, pnpwalk, pnpstat,
2002/0109/sys/src/9/port/devpnp.c:485,494 – 2002/0414/sys/src/9/port/devpnp.c:485,496 (short | long)
2001/0728		static long pnpread(Chan *c, void *va, long n, vlong offset) {
2002/0414		ulong x;
2001/0728		Card *cp;
2001/0801		Pcidev *p; int csn, i, tbdf;
2002/0414		char buf[256], *ebuf, *w;
2001/0809		char *a = va;
2002/0414		int csn, i, tbdf, r;
2001/0728		switch(TYPE(c->qid)){ case Qtopdir:
2002/0109/sys/src/9/port/devpnp.c:511,519 – 2002/0414/sys/src/9/port/devpnp.c:513,521
2001/0809		qlock(&pnp);
2001/0728		initiation(); cmd(0x03, csn); /* Wake up the card */ for (i = 0; i < offset+9; i++) /* 9 == skip serial + csum */
2002/0414		for(i = 0; i < offset+9; i++) /* 9 == skip serial + csum */
2001/0728		getresbyte(pnp.rddata); for (i = 0; i < n; i++)
2002/0414		for(i = 0; i < n; i++)
2001/0728		a[i] = getresbyte(pnp.rddata); cmd(0x03, 0); /* Wake all cards with a CSN of 0, putting this card to sleep */ cmd(0x02, 0x02); /* return cards to Wait for Key state */
2002/0109/sys/src/9/port/devpnp.c:531,545 – 2002/0414/sys/src/9/port/devpnp.c:533,571
2001/0801		p = pcimatchtbdf(tbdf); if(p == nil) error(Egreg);
2001/0809		sprint(up->genbuf, "class %.2x subclass %.2x piclass %.2x vid %.4x did %.4x intl %d\n",
2002/0414		ebuf = buf+sizeof buf-1; /* -1 for newline */ w = seprint(buf, ebuf, "%.2x.%.2x.%.2x %.4x/%.4x %3d",
2001/0801		p->ccrb, p->ccru, p->ccrp, p->vid, p->did, p->intl);
2001/0809		return readstr(offset, a, n, up->genbuf);
2002/0414		for(i=0; i<nelem(p->mem); i++){ if(p->mem[i].size == 0) continue; w = seprint(w, ebuf, " %d:%.8lux %d", i, p->mem[i].bar, p->mem[i].size); } *w++ = '\n'; *w = '\0'; return readstr(offset, a, n, buf);
2001/0801		case Qpciraw: tbdf = MKBUS(BusPCI, 0, 0, 0)|BUSBDF((ulong)c->qid.path); p = pcimatchtbdf(tbdf); if(p == nil) error(Egreg); break;
2002/0414		if(offset > 128) return 0; if(n+offset > 128) n = 128-offset; if(offset%4) error(Ebadarg); r = offset; for(i = 0; i+4 <= n; i+=4) { x = pcicfgr32(p, r); a[0] = x; a[1] = (x>>8); a[2] = (x>>16); a[3] = (x>>24); a += 4; r += 4; } return i;
2001/0728		default: error(Egreg); }
2002/0414/sys/src/9/port/devpnp.c:549,558 – 2002/0416/sys/src/9/port/devpnp.c:549,558 (short | long)
2001/0801		p = pcimatchtbdf(tbdf); if(p == nil) error(Egreg);
2002/0414		if(offset > 128)
2002/0416		if(offset > 256)
2002/0414		return 0; if(n+offset > 128) n = 128-offset;
2002/0416		if(n+offset > 256) n = 256-offset;
2002/0414		if(offset%4) error(Ebadarg); r = offset;
2002/0416/sys/src/9/port/devpnp.c:3,13 – 2002/0427/sys/src/9/port/devpnp.c:3,12 (short | long)
2001/0809		* * TODO * - implement PNP card configuration (setting io bases etc) * - implement PCI raw access to configuration space
2002/0427		* - write user program to drive PNP configuration... * - extend PCI raw access to configuration space (writes, byte/short access?)
2001/0809		* - implement PCI access to memory/io space/BIOS ROM * - use c->aux instead of performing lookup on each read/write * * I also need to write the user program that'll drive the PNP configuration...
2002/0427		* - use c->aux instead of performing lookup on each read/write?
2001/0809		*/
2001/0728		#include "u.h" #include "../port/lib.h"
2002/0416/sys/src/9/port/devpnp.c:601,606 – 2002/0427/sys/src/9/port/devpnp.c:600,606
2001/0731		if(!pnpscan(port, 0))
2001/0728		error("no cards found");
2001/0809		qunlock(&pnp);
2002/0427		poperror();
2001/0728		} else if(strncmp(buf, "debug ", 6) == 0) pnp.debug = strtoul(buf+6, 0, 0);
2002/0416/sys/src/9/port/devpnp.c:624,645 – 2002/0427/sys/src/9/port/devpnp.c:624,631
2001/0731		static int wrconfig(Card *c, char *cmd) { for(;;) { while(*cmd == ' ' || *cmd == '\t' || *cmd == '\n') cmd++; if(*cmd == '\0') break; if(strncmp(cmd, "foo ", 4) == 0) { print("pnp%d: got foo\n", c->csn); cmd += 4; } else if(strncmp(cmd, "bar ", 4) == 0) { print("pnp%d: got bar\n", c->csn); cmd += 4; } else return 0; }
2002/0427		/* This should implement setting of I/O bases, etc */ USED(c, cmd);
2001/0731		return 1; }
2002/0427/sys/src/9/port/devpnp.c:127,147 – 2003/0406/sys/src/9/port/devpnp.c:127,147 (short | long)
2001/0728		outb(Address, 0x01); /* point to serial isolation register */ delay(1); csum = 0x6a; for (i = 0; i < 64; i++) {
2003/0406		for(i = 0; i < 64; i++){
2001/0728		bit = readbit(rddata); csum = (csum>>1) | (((csum&1) ^ ((csum>>1)&1) ^ bit)<<7); p = &id[i>>3]; *p = (*p>>1) | (bit<<7); } for (; i < 72; i++) {
2003/0406		for(; i < 72; i++){
2001/0728		p = &id[i>>3]; *p = (*p>>1) | (readbit(rddata)<<7); } *id1 = (id[3]<<24)|(id[2]<<16)|(id[1]<<8)|id[0]; *id2 = (id[7]<<24)|(id[6]<<16)|(id[5]<<8)|id[4]; if (*id1 == 0)
2003/0406		if(*id1 == 0)
2001/0728		return 0; if (id[8] != csum)
2003/0406		if(id[8] != csum)
2001/0728		DPRINT("pnp: bad checksum id1 %lux id2 %lux csum %x != %x\n", *id1, *id2, csum, id[8]); /**/ return id[8] == csum; }