linux/arch/parisc/include/asm/superio.h
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   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
  53struct 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
  84extern int superio_fixup_irq(struct pci_dev *pcidev); /* called by iosapic */
  85
  86#endif /* _PARISC_SUPERIO_H */
  87