65 	struct parport *pp;  member
114 	struct parport *pp;  in async_complete()  local
120 	pp = priv->pp;  in async_complete()
131 		if (rq->reg[2] & rq->reg[1] & 0x10 && pp)  in async_complete()
132 			parport_generic_irq(pp);  in async_complete()
211 static int get_1284_register(struct parport *pp, unsigned char reg, unsigned char *val, gfp_t mem_f…  in get_1284_register()  argument
220 	if (!pp)  in get_1284_register()
222 	priv = pp->private_data;  in get_1284_register()
247 static int set_1284_register(struct parport *pp, unsigned char reg, unsigned char val, gfp_t mem_fl…  in set_1284_register()  argument
252 	if (!pp)  in set_1284_register()
254 	priv = pp->private_data;  in set_1284_register()
275 static int change_mode(struct parport *pp, int m)  in change_mode()  argument
277 	struct parport_uss720_private *priv = pp->private_data;  in change_mode()
281 	if (get_1284_register(pp, 6, &reg, GFP_KERNEL))  in change_mode()
289 		if (change_mode(pp, ECR_PS2))  in change_mode()
295 		unsigned long expire = jiffies + pp->physport->cad->timeout;  in change_mode()
301 				if (get_1284_register(pp, 6, &reg, GFP_KERNEL))  in change_mode()
315 	if (set_1284_register(pp, 6, m << 5, GFP_KERNEL))  in change_mode()
317 	if (get_1284_register(pp, 6, &reg, GFP_KERNEL))  in change_mode()
325 static int clear_epp_timeout(struct parport *pp)  in clear_epp_timeout()  argument
329 	if (get_1284_register(pp, 1, &stat, GFP_KERNEL))  in clear_epp_timeout()
340 	struct parport *pp = (struct parport *)dev_id;
341 	struct parport_uss720_private *priv = pp->private_data;	
348 		parport_generic_irq(pp);
353 static void parport_uss720_write_data(struct parport *pp, unsigned char d)  in parport_uss720_write_data()  argument
355 	set_1284_register(pp, 0, d, GFP_KERNEL);  in parport_uss720_write_data()
358 static unsigned char parport_uss720_read_data(struct parport *pp)  in parport_uss720_read_data()  argument
362 	if (get_1284_register(pp, 0, &ret, GFP_KERNEL))  in parport_uss720_read_data()
367 static void parport_uss720_write_control(struct parport *pp, unsigned char d)  in parport_uss720_write_control()  argument
369 	struct parport_uss720_private *priv = pp->private_data;	  in parport_uss720_write_control()
372 	if (set_1284_register(pp, 2, d, GFP_KERNEL))  in parport_uss720_write_control()
377 static unsigned char parport_uss720_read_control(struct parport *pp)  in parport_uss720_read_control()  argument
379 	struct parport_uss720_private *priv = pp->private_data;	  in parport_uss720_read_control()
383 static unsigned char parport_uss720_frob_control(struct parport *pp, unsigned char mask, unsigned c…  in parport_uss720_frob_control()  argument
385 	struct parport_uss720_private *priv = pp->private_data;	  in parport_uss720_frob_control()
391 	if (set_1284_register(pp, 2, d, GFP_KERNEL))  in parport_uss720_frob_control()
397 static unsigned char parport_uss720_read_status(struct parport *pp)  in parport_uss720_read_status()  argument
401 	if (get_1284_register(pp, 1, &ret, GFP_KERNEL))  in parport_uss720_read_status()
406 static void parport_uss720_disable_irq(struct parport *pp)  in parport_uss720_disable_irq()  argument
408 	struct parport_uss720_private *priv = pp->private_data;	  in parport_uss720_disable_irq()
412 	if (set_1284_register(pp, 2, d, GFP_KERNEL))  in parport_uss720_disable_irq()
417 static void parport_uss720_enable_irq(struct parport *pp)  in parport_uss720_enable_irq()  argument
419 	struct parport_uss720_private *priv = pp->private_data;	  in parport_uss720_enable_irq()
423 	if (set_1284_register(pp, 2, d, GFP_KERNEL))  in parport_uss720_enable_irq()
428 static void parport_uss720_data_forward (struct parport *pp)  in parport_uss720_data_forward()  argument
430 	struct parport_uss720_private *priv = pp->private_data;	  in parport_uss720_data_forward()
434 	if (set_1284_register(pp, 2, d, GFP_KERNEL))  in parport_uss720_data_forward()
439 static void parport_uss720_data_reverse (struct parport *pp)  in parport_uss720_data_reverse()  argument
441 	struct parport_uss720_private *priv = pp->private_data;	  in parport_uss720_data_reverse()
445 	if (set_1284_register(pp, 2, d, GFP_KERNEL))  in parport_uss720_data_reverse()
456 static void parport_uss720_save_state(struct parport *pp, struct parport_state *s)  in parport_uss720_save_state()  argument
458 	struct parport_uss720_private *priv = pp->private_data;	  in parport_uss720_save_state()
461 	if (get_1284_register(pp, 2, NULL, GFP_ATOMIC))  in parport_uss720_save_state()
468 static void parport_uss720_restore_state(struct parport *pp, struct parport_state *s)  in parport_uss720_restore_state()  argument
470 	struct parport_uss720_private *priv = pp->private_data;  in parport_uss720_restore_state()
472 	set_1284_register(pp, 2, s->u.pc.ctr, GFP_ATOMIC);  in parport_uss720_restore_state()
473 	set_1284_register(pp, 6, s->u.pc.ecr, GFP_ATOMIC);  in parport_uss720_restore_state()
474 	get_1284_register(pp, 2, NULL, GFP_ATOMIC);  in parport_uss720_restore_state()
479 static size_t parport_uss720_epp_read_data(struct parport *pp, void *buf, size_t length, int flags)  in parport_uss720_epp_read_data()  argument
481 	struct parport_uss720_private *priv = pp->private_data;	  in parport_uss720_epp_read_data()
484 	if (change_mode(pp, ECR_EPP))  in parport_uss720_epp_read_data()
487 		if (get_1284_register(pp, 4, (char *)buf, GFP_KERNEL))  in parport_uss720_epp_read_data()
491 			clear_epp_timeout(pp);  in parport_uss720_epp_read_data()
495 	change_mode(pp, ECR_PS2);  in parport_uss720_epp_read_data()
499 static size_t parport_uss720_epp_write_data(struct parport *pp, const void *buf, size_t length, int…  in parport_uss720_epp_write_data()  argument
502 	struct parport_uss720_private *priv = pp->private_data;	  in parport_uss720_epp_write_data()
505 	if (change_mode(pp, ECR_EPP))  in parport_uss720_epp_write_data()
508 		if (set_1284_register(pp, 4, (char *)buf, GFP_KERNEL))  in parport_uss720_epp_write_data()
511 		if (get_1284_register(pp, 1, NULL, GFP_KERNEL))  in parport_uss720_epp_write_data()
514 			clear_epp_timeout(pp);  in parport_uss720_epp_write_data()
518 	change_mode(pp, ECR_PS2);  in parport_uss720_epp_write_data()
521 	struct parport_uss720_private *priv = pp->private_data;  in parport_uss720_epp_write_data()
528 	if (change_mode(pp, ECR_EPP))  in parport_uss720_epp_write_data()
533 	change_mode(pp, ECR_PS2);  in parport_uss720_epp_write_data()
538 static size_t parport_uss720_epp_read_addr(struct parport *pp, void *buf, size_t length, int flags)  in parport_uss720_epp_read_addr()  argument
540 	struct parport_uss720_private *priv = pp->private_data;	  in parport_uss720_epp_read_addr()
543 	if (change_mode(pp, ECR_EPP))  in parport_uss720_epp_read_addr()
546 		if (get_1284_register(pp, 3, (char *)buf, GFP_KERNEL))  in parport_uss720_epp_read_addr()
550 			clear_epp_timeout(pp);  in parport_uss720_epp_read_addr()
554 	change_mode(pp, ECR_PS2);  in parport_uss720_epp_read_addr()
558 static size_t parport_uss720_epp_write_addr(struct parport *pp, const void *buf, size_t length, int…  in parport_uss720_epp_write_addr()  argument
560 	struct parport_uss720_private *priv = pp->private_data;	  in parport_uss720_epp_write_addr()
563 	if (change_mode(pp, ECR_EPP))  in parport_uss720_epp_write_addr()
566 		if (set_1284_register(pp, 3, *(char *)buf, GFP_KERNEL))  in parport_uss720_epp_write_addr()
569 		if (get_1284_register(pp, 1, NULL, GFP_KERNEL))  in parport_uss720_epp_write_addr()
572 			clear_epp_timeout(pp);  in parport_uss720_epp_write_addr()
576 	change_mode(pp, ECR_PS2);  in parport_uss720_epp_write_addr()
580 static size_t parport_uss720_ecp_write_data(struct parport *pp, const void *buffer, size_t len, int…  in parport_uss720_ecp_write_data()  argument
582 	struct parport_uss720_private *priv = pp->private_data;  in parport_uss720_ecp_write_data()
589 	if (change_mode(pp, ECR_ECP))  in parport_uss720_ecp_write_data()
594 	change_mode(pp, ECR_PS2);  in parport_uss720_ecp_write_data()
598 static size_t parport_uss720_ecp_read_data(struct parport *pp, void *buffer, size_t len, int flags)  in parport_uss720_ecp_read_data()  argument
600 	struct parport_uss720_private *priv = pp->private_data;  in parport_uss720_ecp_read_data()
607 	if (change_mode(pp, ECR_ECP))  in parport_uss720_ecp_read_data()
612 	change_mode(pp, ECR_PS2);  in parport_uss720_ecp_read_data()
616 static size_t parport_uss720_ecp_write_addr(struct parport *pp, const void *buffer, size_t len, int…  in parport_uss720_ecp_write_addr()  argument
620 	if (change_mode(pp, ECR_ECP))  in parport_uss720_ecp_write_addr()
623 		if (set_1284_register(pp, 5, *(char *)buffer, GFP_KERNEL))  in parport_uss720_ecp_write_addr()
627 	change_mode(pp, ECR_PS2);  in parport_uss720_ecp_write_addr()
631 static size_t parport_uss720_write_compat(struct parport *pp, const void *buffer, size_t len, int f…  in parport_uss720_write_compat()  argument
633 	struct parport_uss720_private *priv = pp->private_data;  in parport_uss720_write_compat()
640 	if (change_mode(pp, ECR_PPF))  in parport_uss720_write_compat()
645 	change_mode(pp, ECR_PS2);  in parport_uss720_write_compat()
696 	struct parport *pp;  in uss720_probe()  local
722 	priv->pp = NULL;  in uss720_probe()
727 	pp = parport_register_port(0, PARPORT_IRQ_NONE, PARPORT_DMA_NONE, &parport_uss720_ops);  in uss720_probe()
728 	if (!pp) {  in uss720_probe()
733 	priv->pp = pp;  in uss720_probe()
734 	pp->private_data = priv;  in uss720_probe()
735 …pp->modes = PARPORT_MODE_PCSPP | PARPORT_MODE_TRISTATE | PARPORT_MODE_EPP | PARPORT_MODE_ECP | PAR…  in uss720_probe()
738 	set_1284_register(pp, 7, 0x00, GFP_KERNEL);  in uss720_probe()
739 	set_1284_register(pp, 6, 0x30, GFP_KERNEL);  /* PS/2 mode */  in uss720_probe()
740 	set_1284_register(pp, 2, 0x0c, GFP_KERNEL);  in uss720_probe()
742 	get_1284_register(pp, 0, &reg, GFP_KERNEL);  in uss720_probe()
748 	parport_announce_port(pp);  in uss720_probe()
750 	usb_set_intfdata(intf, pp);  in uss720_probe()
761 	struct parport *pp = usb_get_intfdata(intf);  in uss720_disconnect()  local
767 	if (pp) {  in uss720_disconnect()
768 		priv = pp->private_data;  in uss720_disconnect()
771 		priv->pp = NULL;  in uss720_disconnect()
773 		parport_remove_port(pp);  in uss720_disconnect()
774 		parport_put_port(pp);  in uss720_disconnect()