1994/1109/pc/devastar.c (diff list | history)

1994/1108/sys/src/9/pc/devastar.c:225,230 – 1994/1109/sys/src/9/pc/devastar.c:225,231 (short | long | prev | next)
1994/1106		{ QLock;
1994/1109		Astar *a; /* controller */
1994/1107		CCB *ccb; /* control block */
1994/1106		/* buffers */
1994/1108/sys/src/9/pc/devastar.c:242,250 – 1994/1109/sys/src/9/pc/devastar.c:243,252
1994/1106		uchar *oe; };
1994/1107		Astar *a[Maxcard];
1994/1109		Astar *astar[Maxcard]; int nastar;
1994/1107		int astarsetup(Astar*);
1994/1109		static int astarsetup(Astar*);
1994/1107
1994/1106		void
1994/1107		astarreset(void)
1994/1108/sys/src/9/pc/devastar.c:254,263 – 1994/1109/sys/src/9/pc/devastar.c:256,265
1994/1106		Dirtab *dp; for(i = 0; i < Maxcard; i++){
1994/1107		a = astar[i] = xalloc(sizeof(Astar));
1994/1109		a = astar[nastar] = xalloc(sizeof(Astar));
1994/1107		if(isaconfig("serial", i, &a) == 0){ xfree(a); astar[i] = 0;
1994/1109		astar[nastar] = 0;
1994/1106		break; }
1994/1108/sys/src/9/pc/devastar.c:276,284 – 1994/1109/sys/src/9/pc/devastar.c:278,287
1994/1107		if(astarsetup(a) < 0){ xfree(a); astar[i] = 0;
1994/1109		astar[nastar] = 0;
1994/1107		continue; }
1994/1109		nastar++;
1994/1107		}
1994/1106		ndir = 3*nuart;
1994/1108/sys/src/9/pc/devastar.c:306,316 – 1994/1109/sys/src/9/pc/devastar.c:309,319
1994/1107		{ } int isaport[] = { 0x200, 0x208, 0x300, 0x308, 0x600, 0x608, 0x700, 0x708, 0 };
1994/1109		/* isa ports an ax00i can appear at */ int isaport[] = { 0x200, 0x208, 0x300, 0x308, 0x600, 0x608, 0x700, 0x708, 0 };
1994/1107		int isax00i(int port)
1994/1109		static int astarprobe(int port)
1994/1107		{ uchar c, c1;
1994/1108/sys/src/9/pc/devastar.c:323,329 – 1994/1109/sys/src/9/pc/devastar.c:326,332
1994/1107		|| (c == ISAid1 && c1 == ISAid0)); } int
1994/1109		static int
1994/1107		astarsetup(Astar *a) { int i, j, found;
1994/1108/sys/src/9/pc/devastar.c:333,339 – 1994/1109/sys/src/9/pc/devastar.c:336,342
1994/1107		if(a->port == 0) for(i = 0; isaport[i]; i++){ a->port = isaport[i]; found = isax00i(isaport[i]);
1994/1109		found = astarprobe(isaport[i]);
1994/1107		if(found){ isaport[i] = -1; break;
1994/1108/sys/src/9/pc/devastar.c:357,360 – 1994/1109/sys/src/9/pc/devastar.c:360,365
1994/1107		} c = inb(a->port + ISActl1) & ~ISAirq; outb(a->port + ISActl1, c | isairqcode(a->irq));
1994/1109		return 0;
1994/1106		}