2  * IEEE 1284.3 Parallel port daisy chain and multiplexor code
36 	int daisy;  member
51 static void add_dev(int devnum, struct parport *port, int daisy)  in add_dev()  argument
57 		newdev->daisy = daisy;  in add_dev()
103 /* Discover the IEEE1284.3 topology on a port -- muxes and daisy chains.
125 			pr_err("daisy registration failed\n");  in parport_daisy_init()
247 	int daisy;  in parport_open()  local
259 	daisy = p->daisy;  in parport_open()
268 	dev->daisy = daisy;  in parport_open()
271 	if (daisy >= 0) {  in parport_open()
274 		selected = port->daisy;  in parport_open()
277 		if (selected != daisy) {  in parport_open()
300 /* Send a daisy-chain-style CPP command packet. */
381 int parport_daisy_select(struct parport *port, int daisy, int mode)  in parport_daisy_select()  argument
389 			return !(cpp_daisy(port, 0x20 + daisy) &  in parport_daisy_select()
396 			return !(cpp_daisy(port, 0xd0 + daisy) &  in parport_daisy_select()
399 		// Nothing was told for BECP in Daisy chain specification.  in parport_daisy_select()
407 			return !(cpp_daisy(port, 0xe0 + daisy) &  in parport_daisy_select()
431 	unsigned char daisy;  in assign_addrs()  local
466 	for (daisy = 0;  in assign_addrs()
469 		     && daisy < 4;  in assign_addrs()
470 	     ++daisy) {  in assign_addrs()
471 		parport_write_data(port, daisy);  in assign_addrs()
480 		add_dev(numdevs++, port, daisy);  in assign_addrs()
489 		   work status lines from some non-daisy chain  in assign_addrs()
496 	pr_debug("%s: Found %d daisy-chained devices\n", port->name, detected);  in assign_addrs()
502 	for (daisy = 0; thisdev < numdevs; thisdev++, daisy++)  in assign_addrs()