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kernel/linux-rt-4.4.41/arch/parisc/include/asm/superio.h 3.22 KB
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  #ifndef _PARISC_SUPERIO_H
  #define _PARISC_SUPERIO_H
  
  #define IC_PIC1    0x20		/* PCI I/O address of master 8259 */
  #define IC_PIC2    0xA0		/* PCI I/O address of slave */
  
  /* Config Space Offsets to configuration and base address registers */
  #define SIO_CR     0x5A		/* Configuration Register */
  #define SIO_ACPIBAR 0x88	/* ACPI BAR */
  #define SIO_FDCBAR 0x90		/* Floppy Disk Controller BAR */
  #define SIO_SP1BAR 0x94		/* Serial 1 BAR */
  #define SIO_SP2BAR 0x98		/* Serial 2 BAR */
  #define SIO_PPBAR  0x9C		/* Parallel BAR */
  
  #define TRIGGER_1  0x67		/* Edge/level trigger register 1 */
  #define TRIGGER_2  0x68		/* Edge/level trigger register 2 */
  
  /* Interrupt Routing Control registers */
  #define CFG_IR_SER    0x69	/* Serial 1 [0:3] and Serial 2 [4:7] */
  #define CFG_IR_PFD    0x6a	/* Parallel [0:3] and Floppy [4:7] */
  #define CFG_IR_IDE    0x6b	/* IDE1     [0:3] and IDE2 [4:7] */
  #define CFG_IR_INTAB  0x6c	/* PCI INTA [0:3] and INT B [4:7] */
  #define CFG_IR_INTCD  0x6d	/* PCI INTC [0:3] and INT D [4:7] */
  #define CFG_IR_PS2    0x6e	/* PS/2 KBINT [0:3] and Mouse [4:7] */
  #define CFG_IR_FXBUS  0x6f	/* FXIRQ[0] [0:3] and FXIRQ[1] [4:7] */
  #define CFG_IR_USB    0x70	/* FXIRQ[2] [0:3] and USB [4:7] */
  #define CFG_IR_ACPI   0x71	/* ACPI SCI [0:3] and reserved [4:7] */
  
  #define CFG_IR_LOW     CFG_IR_SER	/* Lowest interrupt routing reg */
  #define CFG_IR_HIGH    CFG_IR_ACPI	/* Highest interrupt routing reg */
  
  /* 8259 operational control words */
  #define OCW2_EOI   0x20		/* Non-specific EOI */
  #define OCW2_SEOI  0x60		/* Specific EOI */
  #define OCW3_IIR   0x0A		/* Read request register */
  #define OCW3_ISR   0x0B		/* Read service register */
  #define OCW3_POLL  0x0C		/* Poll the PIC for an interrupt vector */
  
  /* Interrupt lines. Only PIC1 is used */
  #define USB_IRQ    1		/* USB */
  #define SP1_IRQ    3		/* Serial port 1 */
  #define SP2_IRQ    4		/* Serial port 2 */
  #define PAR_IRQ    5		/* Parallel port */
  #define FDC_IRQ    6		/* Floppy controller */
  #define IDE_IRQ    7		/* IDE (pri+sec) */
  
  /* ACPI registers */
  #define USB_REG_CR	0x1f	/* USB Regulator Control Register */
  
  #define SUPERIO_NIRQS   8
  
  struct superio_device {
  	u32 fdc_base;
  	u32 sp1_base;
  	u32 sp2_base;
  	u32 pp_base;
  	u32 acpi_base;
  	int suckyio_irq_enabled;
  	struct pci_dev *lio_pdev;       /* pci device for legacy IO (fn 1) */
  	struct pci_dev *usb_pdev;       /* pci device for USB (fn 2) */
  };
  
  /*
   * Does NS make a 87415 based plug in PCI card? If so, because of this
   * macro we currently don't support it being plugged into a machine
   * that contains a SuperIO chip AND has CONFIG_SUPERIO enabled.
   *
   * This could be fixed by checking to see if function 1 exists, and
   * if it is SuperIO Legacy IO; but really now, is this combination
   * going to EVER happen?
   */
  
  #define SUPERIO_IDE_FN 0 /* Function number of IDE controller */
  #define SUPERIO_LIO_FN 1 /* Function number of Legacy IO controller */
  #define SUPERIO_USB_FN 2 /* Function number of USB controller */
  
  #define is_superio_device(x) \
  	(((x)->vendor == PCI_VENDOR_ID_NS) && \
  	(  ((x)->device == PCI_DEVICE_ID_NS_87415) \
  	|| ((x)->device == PCI_DEVICE_ID_NS_87560_LIO) \
  	|| ((x)->device == PCI_DEVICE_ID_NS_87560_USB) ) )
  
  extern int superio_fixup_irq(struct pci_dev *pcidev); /* called by iosapic */
  
  #endif /* _PARISC_SUPERIO_H */