1 /* SPDX-License-Identifier: GPL-2.0 */ 2 #ifndef _PARISC_SUPERIO_H 3 #define _PARISC_SUPERIO_H 4 5 #define IC_PIC1 0x20 /* PCI I/O address of master 8259 */ 6 #define IC_PIC2 0xA0 /* PCI I/O address of slave */ 7 8 /* Config Space Offsets to configuration and base address registers */ 9 #define SIO_CR 0x5A /* Configuration Register */ 10 #define SIO_ACPIBAR 0x88 /* ACPI BAR */ 11 #define SIO_FDCBAR 0x90 /* Floppy Disk Controller BAR */ 12 #define SIO_SP1BAR 0x94 /* Serial 1 BAR */ 13 #define SIO_SP2BAR 0x98 /* Serial 2 BAR */ 14 #define SIO_PPBAR 0x9C /* Parallel BAR */ 15 16 #define TRIGGER_1 0x67 /* Edge/level trigger register 1 */ 17 #define TRIGGER_2 0x68 /* Edge/level trigger register 2 */ 18 19 /* Interrupt Routing Control registers */ 20 #define CFG_IR_SER 0x69 /* Serial 1 [0:3] and Serial 2 [4:7] */ 21 #define CFG_IR_PFD 0x6a /* Parallel [0:3] and Floppy [4:7] */ 22 #define CFG_IR_IDE 0x6b /* IDE1 [0:3] and IDE2 [4:7] */ 23 #define CFG_IR_INTAB 0x6c /* PCI INTA [0:3] and INT B [4:7] */ 24 #define CFG_IR_INTCD 0x6d /* PCI INTC [0:3] and INT D [4:7] */ 25 #define CFG_IR_PS2 0x6e /* PS/2 KBINT [0:3] and Mouse [4:7] */ 26 #define CFG_IR_FXBUS 0x6f /* FXIRQ[0] [0:3] and FXIRQ[1] [4:7] */ 27 #define CFG_IR_USB 0x70 /* FXIRQ[2] [0:3] and USB [4:7] */ 28 #define CFG_IR_ACPI 0x71 /* ACPI SCI [0:3] and reserved [4:7] */ 29 30 #define CFG_IR_LOW CFG_IR_SER /* Lowest interrupt routing reg */ 31 #define CFG_IR_HIGH CFG_IR_ACPI /* Highest interrupt routing reg */ 32 33 /* 8259 operational control words */ 34 #define OCW2_EOI 0x20 /* Non-specific EOI */ 35 #define OCW2_SEOI 0x60 /* Specific EOI */ 36 #define OCW3_IIR 0x0A /* Read request register */ 37 #define OCW3_ISR 0x0B /* Read service register */ 38 #define OCW3_POLL 0x0C /* Poll the PIC for an interrupt vector */ 39 40 /* Interrupt lines. Only PIC1 is used */ 41 #define USB_IRQ 1 /* USB */ 42 #define SP1_IRQ 3 /* Serial port 1 */ 43 #define SP2_IRQ 4 /* Serial port 2 */ 44 #define PAR_IRQ 5 /* Parallel port */ 45 #define FDC_IRQ 6 /* Floppy controller */ 46 #define IDE_IRQ 7 /* IDE (pri+sec) */ 47 48 /* ACPI registers */ 49 #define USB_REG_CR 0x1f /* USB Regulator Control Register */ 50 51 #define SUPERIO_NIRQS 8 52 53 struct superio_device { 54 u32 fdc_base; 55 u32 sp1_base; 56 u32 sp2_base; 57 u32 pp_base; 58 u32 acpi_base; 59 int suckyio_irq_enabled; 60 struct pci_dev *lio_pdev; /* pci device for legacy IO (fn 1) */ 61 struct pci_dev *usb_pdev; /* pci device for USB (fn 2) */ 62 }; 63 64 /* 65 * Does NS make a 87415 based plug in PCI card? If so, because of this 66 * macro we currently don't support it being plugged into a machine 67 * that contains a SuperIO chip AND has CONFIG_SUPERIO enabled. 68 * 69 * This could be fixed by checking to see if function 1 exists, and 70 * if it is SuperIO Legacy IO; but really now, is this combination 71 * going to EVER happen? 72 */ 73 74 #define SUPERIO_IDE_FN 0 /* Function number of IDE controller */ 75 #define SUPERIO_LIO_FN 1 /* Function number of Legacy IO controller */ 76 #define SUPERIO_USB_FN 2 /* Function number of USB controller */ 77 78 #define is_superio_device(x) \ 79 (((x)->vendor == PCI_VENDOR_ID_NS) && \ 80 ( ((x)->device == PCI_DEVICE_ID_NS_87415) \ 81 || ((x)->device == PCI_DEVICE_ID_NS_87560_LIO) \ 82 || ((x)->device == PCI_DEVICE_ID_NS_87560_USB) ) ) 83 84 extern int superio_fixup_irq(struct pci_dev *pcidev); /* called by iosapic */ 85 86 #endif /* _PARISC_SUPERIO_H */ 87