1997/0327/pc/devlpt.c (diff list | history)

1995/0726/sys/src/9/pc/devlpt.c:51,57 – 1997/0327/sys/src/9/pc/devlpt.c:51,56 (short | long | prev | next)
Clean up driver. No bug fixes. Remove NLPT in favor of nelem. Remove trivial functions in favor of dev*. Use new intrenable. rsc Fri Mar 4 12:44:25 2005
1991/1204		"pcr", {Qpcr}, 0, 0222, "data", {Qdata}, 0, 0222, }; #define NLPT (sizeof lptdir/sizeof lptdir[0]) static int lptgen(Chan *c, Dirtab *tab, int ntab, int i, Dir *dp)
1995/0726/sys/src/9/pc/devlpt.c:71,86 – 1997/0327/sys/src/9/pc/devlpt.c:70,76
1991/1204		return 1; } void lptreset(void) { }                  void lptinit(void) {}                  Chan*
1997/0327		static Chan*
1991/1204		lptattach(char *spec) { Chan *c;
1995/0726/sys/src/9/pc/devlpt.c:90,96 – 1997/0327/sys/src/9/pc/devlpt.c:80,86
1993/0224		if(!set){
1994/0513		outb(lptbase[i-1]+Qpcr, 0); /* turn off interrupts */
1993/0224		set = 1;
1994/0324		setvec(Parallelvec, lptintr, 0);
1997/0327		intrenable(VectorLPT, lptintr, 0, BUSUNKNOWN);
1993/0224		}
1991/1204		if(i < 1 || i > NDEV)
1992/0114		error(Ebadarg);
1995/0726/sys/src/9/pc/devlpt.c:99,161 – 1997/0327/sys/src/9/pc/devlpt.c:89,125
1991/1204		return c; } Chan* lptclone(Chan *c, Chan *nc) { return devclone(c, nc); }                  int
1997/0327		static int
1991/1204		lptwalk(Chan *c, char *name) { return devwalk(c, name, lptdir, NLPT, lptgen);
1997/0327		return devwalk(c, name, lptdir, nelem(lptdir), lptgen);
1991/1204		} void
1997/0327		static void
1991/1204		lptstat(Chan *c, char *dp) { devstat(c, dp, lptdir, NLPT, lptgen);
1997/0327		devstat(c, dp, lptdir, nelem(lptdir), lptgen);
1991/1204		} Chan*
1997/0327		static Chan*
1991/1204		lptopen(Chan *c, int omode) { return devopen(c, omode, lptdir, NLPT, lptgen);
1997/0327		return devopen(c, omode, lptdir, nelem(lptdir), lptgen);
1991/1204		} void
1995/0726		lptcreate(Chan*, char*, int, ulong)
1991/1204		{ error(Eperm); }                  void
1997/0327		static void
1991/1204		lptclose(Chan *c)
1992/0711		{ USED(c); }
1991/1204		void lptremove(Chan *c)
1997/0327		static long lptread(Chan *c, void *a, long n, ulong)
1991/1204		{
1992/0711		USED(c);
1991/1204		error(Eperm); }                  void lptwstat(Chan *c, char *dp) {
1992/0711		USED(c, dp);
1991/1204		error(Eperm); }                  long lptread(Chan *c, void *a, long n) { char str[16]; int size; if(c->qid.path == CHDIR) return devdirread(c, a, n, lptdir, NLPT, lptgen);
1997/0327		return devdirread(c, a, n, lptdir, nelem(lptdir), lptgen);
1991/1204		size = sprint(str, "0x%2.2ux\n", inb(c->qid.path)); if(c->offset >= size) return 0;
1995/0726/sys/src/9/pc/devlpt.c:165,179 – 1997/0327/sys/src/9/pc/devlpt.c:129,137
1991/1204		return n; }
1995/0108		Block* lptbread(Chan *c, long n, ulong offset)
1997/0327		static long lptwrite(Chan *c, void *a, long n, ulong)
1995/0108		{ return devbread(c, n, offset); }
1991/1204		long lptwrite(Chan *c, void *a, long n) { char str[16], *p; long base, k;
1995/0726/sys/src/9/pc/devlpt.c:200,211 – 1997/0327/sys/src/9/pc/devlpt.c:158,163
1991/1204		return n;
1995/0108		} long lptbwrite(Chan *c, Block *bp, ulong offset) { return devbwrite(c, bp, offset);
1991/1204		}                  static void outch(int base, int c) {
1995/0726/sys/src/9/pc/devlpt.c:239,241 – 1997/0327/sys/src/9/pc/devlpt.c:191,211
1994/0324		USED(ur, arg);
1991/1204		wakeup(&lptrendez); }
1997/0327		Dev lptdevtab = { devreset, devinit, lptattach, devclone, lptwalk, lptstat, lptopen, devcreate, lptclose, lptread, devbread, lptwrite, devbwrite, devremove, devwstat, };