84 static void mfc3_write_data(struct parport *p, unsigned char data)  in mfc3_write_data()  argument
88 	dummy = pia(p)->pprb; /* clears irq bit */  in mfc3_write_data()
90 	pia(p)->pprb = data;  in mfc3_write_data()
93 static unsigned char mfc3_read_data(struct parport *p)  in mfc3_read_data()  argument
96 	return pia(p)->pprb;  in mfc3_read_data()
128 static void mfc3_write_control(struct parport *p, unsigned char control)  in mfc3_write_control()  argument
131 	pia(p)->ppra = (pia(p)->ppra & 0x1f) | control_pc_to_mfc3(control);  in mfc3_write_control()
134 static unsigned char mfc3_read_control( struct parport *p)  in mfc3_read_control()  argument
137 	return control_mfc3_to_pc(pia(p)->ppra & 0xe0);  in mfc3_read_control()
140 static unsigned char mfc3_frob_control( struct parport *p, unsigned char mask, unsigned char val)  in mfc3_frob_control()  argument
145 	old = mfc3_read_control(p);  in mfc3_frob_control()
146 	mfc3_write_control(p, (old & ~mask) ^ val);  in mfc3_frob_control()
168 static unsigned char mfc3_read_status(struct parport *p)  in mfc3_read_status()  argument
172 	status = status_mfc3_to_pc(pia(p)->ppra & 0x1f);  in mfc3_read_status()
192 static void mfc3_enable_irq(struct parport *p)  in mfc3_enable_irq()  argument
194 	pia(p)->crb |= PIA_C1_ENABLE_IRQ;  in mfc3_enable_irq()
197 static void mfc3_disable_irq(struct parport *p)  in mfc3_disable_irq()  argument
199 	pia(p)->crb &= ~PIA_C1_ENABLE_IRQ;  in mfc3_disable_irq()
202 static void mfc3_data_forward(struct parport *p)  in mfc3_data_forward()  argument
205 	pia(p)->crb &= ~PIA_DDR; /* make data direction register visible */  in mfc3_data_forward()
206 	pia(p)->pddrb = 255; /* all pins output */  in mfc3_data_forward()
207 	pia(p)->crb |= PIA_DDR; /* make data register visible - default */  in mfc3_data_forward()
210 static void mfc3_data_reverse(struct parport *p)  in mfc3_data_reverse()  argument
213 	pia(p)->crb &= ~PIA_DDR; /* make data direction register visible */  in mfc3_data_reverse()
214 	pia(p)->pddrb = 0; /* all pins input */  in mfc3_data_reverse()
215 	pia(p)->crb |= PIA_DDR; /* make data register visible - default */  in mfc3_data_reverse()
226 static void mfc3_save_state(struct parport *p, struct parport_state *s)  in mfc3_save_state()  argument
228 	s->u.amiga.data = pia(p)->pprb;  in mfc3_save_state()
229 	pia(p)->crb &= ~PIA_DDR;  in mfc3_save_state()
230 	s->u.amiga.datadir = pia(p)->pddrb;  in mfc3_save_state()
231 	pia(p)->crb |= PIA_DDR;  in mfc3_save_state()
232 	s->u.amiga.status = pia(p)->ppra;  in mfc3_save_state()
233 	pia(p)->cra &= ~PIA_DDR;  in mfc3_save_state()
234 	s->u.amiga.statusdir = pia(p)->pddrb;  in mfc3_save_state()
235 	pia(p)->cra |= PIA_DDR;  in mfc3_save_state()
238 static void mfc3_restore_state(struct parport *p, struct parport_state *s)  in mfc3_restore_state()  argument
240 	pia(p)->pprb = s->u.amiga.data;  in mfc3_restore_state()
241 	pia(p)->crb &= ~PIA_DDR;  in mfc3_restore_state()
242 	pia(p)->pddrb = s->u.amiga.datadir;  in mfc3_restore_state()
243 	pia(p)->crb |= PIA_DDR;  in mfc3_restore_state()
244 	pia(p)->ppra = s->u.amiga.status;  in mfc3_restore_state()
245 	pia(p)->cra &= ~PIA_DDR;  in mfc3_restore_state()
246 	pia(p)->pddrb = s->u.amiga.statusdir;  in mfc3_restore_state()
247 	pia(p)->cra |= PIA_DDR;  in mfc3_restore_state()
290 	struct parport *p;  in parport_mfc3_init()  local
314 		p = parport_register_port((unsigned long)pp, IRQ_AMIGA_PORTS,  in parport_mfc3_init()
316 		if (!p)  in parport_mfc3_init()
319 		if (p->irq != PARPORT_IRQ_NONE) {  in parport_mfc3_init()
321 				if (request_irq(IRQ_AMIGA_PORTS, mfc3_interrupt, IRQF_SHARED, p->name, &pp_mfc3_ops))  in parport_mfc3_init()
324 		p->dev = &z->dev;  in parport_mfc3_init()
326 		this_port[pias++] = p;  in parport_mfc3_init()
327 		printk(KERN_INFO "%s: Multiface III port using irq\n", p->name);  in parport_mfc3_init()
330 		p->private_data = (void *)piabase;  in parport_mfc3_init()
331 		parport_announce_port (p);  in parport_mfc3_init()
338 		parport_put_port(p);  in parport_mfc3_init()