Cross Reference: /drivers/char/lp.c

Lines Matching refs:port
36 /* This driver should, in theory, work with any parallel port that has an
75  * finds them.  This means that if you only have one port, it will be bound
158 /* --- low-level port access ----------------------------------- */
160 #define r_dtr(x)	(parport_read_data(lp_table[(x)].dev->port))
161 #define r_str(x)	(parport_read_status(lp_table[(x)].dev->port))
162 #define w_ctr(x,y)	do { parport_write_control(lp_table[(x)].dev->port, (y)); } while (0)
163 #define w_dtr(x,y)	do { parport_write_data(lp_table[(x)].dev->port, (y)); } while (0)
195 static int lp_negotiate(struct parport * port, int mode)
197 	if (parport_negotiate (port, mode) != 0) {
199 		parport_negotiate (port, mode);
225 	polling = lp_table[minor].dev->port->irq == PARPORT_IRQ_NONE;
298 	struct parport *port = lp_table[minor].dev->port;
329 	lp_table[minor].current_mode = lp_negotiate (port, 
339 		written = parport_write (port, kbuf, copy_size);
358 			parport_negotiate (lp_table[minor].dev->port, 
376 			  = lp_negotiate (port, 
398 		parport_negotiate (lp_table[minor].dev->port, 
417 	struct parport *port = lp_table[minor].dev->port;
435 	parport_negotiate (lp_table[minor].dev->port, IEEE1284_MODE_COMPAT);
436 	if (parport_negotiate (lp_table[minor].dev->port,
443 		retval = parport_read (port, kbuf, count);
455 		if (lp_table[minor].dev->port->irq == PARPORT_IRQ_NONE) {
456 			parport_negotiate (lp_table[minor].dev->port,
459 			if (parport_negotiate (lp_table[minor].dev->port,
477 	parport_negotiate (lp_table[minor].dev->port, IEEE1284_MODE_COMPAT);
544 	if ( (lp_table[minor].dev->port->modes & PARPORT_MODE_ECP) &&
545              !parport_negotiate (lp_table[minor].dev->port, 
553 	parport_negotiate (lp_table[minor].dev->port, IEEE1284_MODE_COMPAT);
566 	parport_negotiate (lp_table[minor].dev->port, IEEE1284_MODE_COMPAT);
773 	struct parport *port = dev->port;
783 	parport_negotiate (port, IEEE1284_MODE_COMPAT);
793 			written = parport_write (port, s, canwrite);
811 				written = parport_write (port, crlf, i);
870 static int lp_register(int nr, struct parport *port)
872 	lp_table[nr].dev = parport_register_device(port, "lp", 
882 	device_create(lp_class, port->dev, MKDEV(LP_MAJOR, nr), NULL,
885 	printk(KERN_INFO "lp%d: using %s (%s).\n", nr, port->name, 
886 	       (port->irq == PARPORT_IRQ_NONE)?"polling":"interrupt-driven");
890 		if (port->modes & PARPORT_MODE_SAFEININT) {
892 			console_registered = port;
896 				CONSOLE_LP, port->name);
903 static void lp_attach (struct parport *port)
911 		    port->probe_info[0].class != PARPORT_CLASS_PRINTER)
914 			printk(KERN_INFO "lp: ignoring parallel port (max. %d)\n",LP_NO);
917 		if (!lp_register(lp_count, port))
923 			if (port->number == parport_nr[i]) {
924 				if (!lp_register(i, port))
933 static void lp_detach (struct parport *port)
937 	if (console_registered == port) {
1027 						printk(KERN_ERR "lp: bad port specifier `%s'\n", parport[n]);