81 #define pia(dev) ((struct pia *)(dev->base))  macro
88 	dummy = pia(p)->pprb; /* clears irq bit */  in mfc3_write_data()
90 	pia(p)->pprb = data;  in mfc3_write_data()
96 	return pia(p)->pprb;  in mfc3_read_data()
131 	pia(p)->ppra = (pia(p)->ppra & 0x1f) | control_pc_to_mfc3(control);  in mfc3_write_control()
137 	return control_mfc3_to_pc(pia(p)->ppra & 0xe0);  in mfc3_read_control()
191 	pia(p)->ppra = (pia(p)->ppra & 0xe0) | status_pc_to_mfc3(status);
199 	status = status_mfc3_to_pc(pia(p)->ppra & 0x1f);  in mfc3_read_status()
220 			if (pia(this_port[i])->crb & 128) { /* Board caused interrupt */  in mfc3_interrupt()
221 				dummy = pia(this_port[i])->pprb; /* clear irq bit */  in mfc3_interrupt()
229 	pia(p)->crb |= PIA_C1_ENABLE_IRQ;  in mfc3_enable_irq()
234 	pia(p)->crb &= ~PIA_C1_ENABLE_IRQ;  in mfc3_disable_irq()
240 	pia(p)->crb &= ~PIA_DDR; /* make data direction register visible */  in mfc3_data_forward()
241 	pia(p)->pddrb = 255; /* all pins output */  in mfc3_data_forward()
242 	pia(p)->crb |= PIA_DDR; /* make data register visible - default */  in mfc3_data_forward()
248 	pia(p)->crb &= ~PIA_DDR; /* make data direction register visible */  in mfc3_data_reverse()
249 	pia(p)->pddrb = 0; /* all pins input */  in mfc3_data_reverse()
250 	pia(p)->crb |= PIA_DDR; /* make data register visible - default */  in mfc3_data_reverse()
263 	s->u.amiga.data = pia(p)->pprb;  in mfc3_save_state()
264 	pia(p)->crb &= ~PIA_DDR;  in mfc3_save_state()
265 	s->u.amiga.datadir = pia(p)->pddrb;  in mfc3_save_state()
266 	pia(p)->crb |= PIA_DDR;  in mfc3_save_state()
267 	s->u.amiga.status = pia(p)->ppra;  in mfc3_save_state()
268 	pia(p)->cra &= ~PIA_DDR;  in mfc3_save_state()
269 	s->u.amiga.statusdir = pia(p)->pddrb;  in mfc3_save_state()
270 	pia(p)->cra |= PIA_DDR;  in mfc3_save_state()
275 	pia(p)->pprb = s->u.amiga.data;  in mfc3_restore_state()
276 	pia(p)->crb &= ~PIA_DDR;  in mfc3_restore_state()
277 	pia(p)->pddrb = s->u.amiga.datadir;  in mfc3_restore_state()
278 	pia(p)->crb |= PIA_DDR;  in mfc3_restore_state()
279 	pia(p)->ppra = s->u.amiga.status;  in mfc3_restore_state()
280 	pia(p)->cra &= ~PIA_DDR;  in mfc3_restore_state()
281 	pia(p)->pddrb = s->u.amiga.statusdir;  in mfc3_restore_state()
282 	pia(p)->cra |= PIA_DDR;  in mfc3_restore_state()
327 	struct pia *pp;  in parport_mfc3_init()
335 		if (!request_mem_region(piabase, sizeof(struct pia), "PIA"))  in parport_mfc3_init()
338 		pp = (struct pia *)ZTWO_VADDR(piabase);  in parport_mfc3_init()
375 		release_mem_region(piabase, sizeof(struct pia));  in parport_mfc3_init()
393 		release_mem_region(ZTWO_PADDR(this_port[i]->private_data), sizeof(struct pia));  in parport_mfc3_exit()