1 #ifndef _PARISC_SUPERIO_H
2 #define _PARISC_SUPERIO_H
3 
4 /* Offsets to configuration and base address registers */
5 #define IC_PIC1    0x20		/* PCI I/O address of master 8259 */
6 #define IC_PIC2    0xA0		/* PCI I/O address of slave */
7 #define SIO_CR     0x5A		/* Configuration Register */
8 #define SIO_ACPIBAR 0x88		/* ACPI BAR */
9 #define SIO_FDCBAR 0x90		/* Floppy Disk Controller BAR */
10 #define SIO_SP1BAR 0x94		/* Serial 1 BAR */
11 #define SIO_SP2BAR 0x98		/* Serial 2 BAR */
12 #define SIO_PPBAR  0x9C		/* Parallel BAR */
13 
14 /* Interrupt triggers and routing */
15 #define TRIGGER_1  0x67		/* Edge/level trigger register 1 */
16 #define TRIGGER_2  0x68		/* Edge/level trigger register 2 */
17 #define IR_SER     0x69		/* Serial 1 [0:3] and Serial 2 [4:7] */
18 #define IR_PFD     0x6a		/* Parallel [0:3] and Floppy [4:7] */
19 #define IR_IDE     0x6b		/* IDE1 [0:3] and IDE2 [4:7] */
20 #define IR_USB     0x6d         /* USB [4:7] */
21 #define IR_LOW     0x69		/* Lowest interrupt routing reg */
22 #define IR_HIGH    0x71		/* Highest interrupt routing reg */
23 
24 /* 8259 operational control words */
25 #define OCW2_EOI   0x20		/* Non-specific EOI */
26 #define OCW2_SEOI  0x60		/* Specific EOI */
27 #define OCW3_IIR   0x0A		/* Read request register */
28 #define OCW3_ISR   0x0B		/* Read service register */
29 #define OCW3_POLL  0x0C		/* Poll the PIC for an interrupt vector */
30 
31 /* Interrupt lines. Only PIC1 is used */
32 #define USB_IRQ    1		/* USB */
33 #define SP1_IRQ    3		/* Serial port 1 */
34 #define SP2_IRQ    4		/* Serial port 2 */
35 #define PAR_IRQ    5		/* Parallel port */
36 #define FDC_IRQ    6		/* Floppy controller */
37 #define IDE_IRQ    7		/* IDE (pri+sec) */
38 
39 /* ACPI registers */
40 #define USB_REG_CR	0x1f	/* USB Regulator Control Register */
41 
42 #define SUPERIO_NIRQS   8
43 
44 struct superio_device {
45 	u16 fdc_base;
46 	u16 sp1_base;
47 	u16 sp2_base;
48 	u16 pp_base;
49 	u16 acpi_base;
50 	int iosapic_irq;
51 	int iosapic_irq_enabled;
52 	struct irq_region *irq_region;
53 	struct pci_dev *lio_pdev;       /* pci device for legacy IO fn */
54 };
55 
56 /*
57  * Does NS make a 87415 based plug in PCI card? If so, because of this
58  * macro we currently don't support it being plugged into a machine
59  * that contains a SuperIO chip AND has CONFIG_SUPERIO enabled.
60  *
61  * This could be fixed by checking to see if function 1 exists, and
62  * if it is SuperIO Legacy IO; but really now, is this combination
63  * going to EVER happen?
64  */
65 
66 #define SUPERIO_IDE_FN 0 /* Function number of IDE controller */
67 #define SUPERIO_LIO_FN 1 /* Function number of Legacy IO controller */
68 #define SUPERIO_USB_FN 2 /* Function number of USB controller */
69 
70 #define is_superio_device(x) \
71 	(((x)->vendor == PCI_VENDOR_ID_NS) && \
72 	(  ((x)->device == PCI_DEVICE_ID_NS_87415) \
73 	|| ((x)->device == PCI_DEVICE_ID_NS_87560_LIO) \
74 	|| ((x)->device == PCI_DEVICE_ID_NS_87560_USB) ) )
75 
76 extern void superio_inform_irq(int irq);
77 extern void superio_serial_init(void);		/* called by rs_init() */
78 extern int superio_fixup_irq(struct pci_dev *pcidev); /* called by iosapic */
79 extern int superio_get_ide_irq(void);
80 
81 #endif /* _PARISC_SUPERIO_H */
82