29  * PIC driver for the 8259A Master and Slave PICs in PC/AT machines.
124 	struct pic at_pic;
134 	int	at_irq;			/* Relative to PIC base. */
140 static void atpic_register_sources(struct pic *pic);
148 static void atpic_resume(struct pic *pic, bool suspend_cancelled);
153 static void i8259_init(struct atpic *pic, int slave);
186 	    ("%s: mismatched pic", __func__));  in _atpic_eoi_master()
201 	    ("%s: mismatched pic", __func__));  in _atpic_eoi_slave()
211 atpic_register_sources(struct pic *pic)  in atpic_register_sources()  argument
213 	struct atpic *ap = (struct atpic *)pic;  in atpic_register_sources()
336 atpic_resume(struct pic *pic, bool suspend_cancelled)  in atpic_resume()  argument
338 	struct atpic *ap = (struct atpic *)pic;  in atpic_resume()
413 i8259_init(struct atpic *pic, int slave)  in i8259_init()  argument
417 	/* Reset the PIC and program with next four bytes. */  in i8259_init()
419 	outb(pic->at_ioaddr, ICW1_RESET | ICW1_IC4);  in i8259_init()
420 	imr_addr = pic->at_ioaddr + ICU_IMR_OFFSET;  in i8259_init()
423 	outb(imr_addr, pic->at_intbase);  in i8259_init()
426 	 * Setup slave links.  For the master pic, indicate what line  in i8259_init()
442 	outb(imr_addr, pic->at_imen);  in i8259_init()
445 	outb(pic->at_ioaddr, OCW3_SEL | OCW3_RR);  in i8259_init()
449 		outb(pic->at_ioaddr, OCW2_R | OCW2_SL | OCW2_L1);  in i8259_init()
561  * Bus attachment for the ISA PIC.
581  * between the two PIC components.  If we're using the APIC, however,