45 	int io;  member
60 static int ns558_isa_probe(int io)  in ns558_isa_probe()  argument
71 	if (!request_region(io, 1, "ns558-isa"))  in ns558_isa_probe()
79 	c = inb(io);  in ns558_isa_probe()
80 	outb(~c & ~3, io);  in ns558_isa_probe()
81 	if (~(u = v = inb(io)) & 3) {  in ns558_isa_probe()
82 		outb(c, io);  in ns558_isa_probe()
83 		release_region(io, 1);  in ns558_isa_probe()
90 	for (i = 0; i < 1000; i++) v &= inb(io);  in ns558_isa_probe()
93 		outb(c, io);  in ns558_isa_probe()
94 		release_region(io, 1);  in ns558_isa_probe()
102 	u = inb(io);  in ns558_isa_probe()
104 		if ((u ^ inb(io)) & 0xf) {  in ns558_isa_probe()
105 			outb(c, io);  in ns558_isa_probe()
106 			release_region(io, 1);  in ns558_isa_probe()
115 		release_region(io & (-1 << (i - 1)), (1 << (i - 1)));  in ns558_isa_probe()
117 		if (!request_region(io & (-1 << i), (1 << i), "ns558-isa"))  in ns558_isa_probe()
120 		outb(0xff, io & (-1 << i));  in ns558_isa_probe()
122 			if (inb(io & (-1 << i)) != inb((io & (-1 << i)) + (1 << i) - 1)) b++;  in ns558_isa_probe()
126 			release_region(io & (-1 << i), (1 << i));  in ns558_isa_probe()
134 		if (!request_region(io & (-1 << i), (1 << i), "ns558-isa"))  in ns558_isa_probe()
142 		release_region(io & (-1 << i), (1 << i));  in ns558_isa_probe()
148 	ns558->io = io;  in ns558_isa_probe()
152 	port->io = io;  in ns558_isa_probe()
154 	gameport_set_phys(port, "isa%04x/gameport0", io & (-1 << i));  in ns558_isa_probe()
219 	ns558->io = ioport;  in ns558_pnp_probe()
227 	port->io = ioport;  in ns558_pnp_probe()
274 		release_region(ns558->io & ~(ns558->size - 1), ns558->size);  in ns558_exit()