drivers/pci/pci_intel.h

   1 /*
   2 pci_intel.h
   3
   4 Created:        Jan 2000 by Philip Homburg <philip@cs.vu.nl>
   5 */
   6
   7 #define PCII_CONFADD    0xCF8
   8 #define         PCIIC_CODE              0x80000000
   9 #define         PCIIC_BUSNUM_MASK         0xff0000
  10 #define         PCIIC_BUSNUM_SHIFT              16
  11 #define         PCIIC_DEVNUM_MASK           0xf800
  12 #define         PCIIC_DEVNUM_SHIFT              11
  13 #define         PCIIC_FUNCNUM_MASK           0x700
  14 #define         PCIIC_FUNCNUM_SHIFT              8
  15 #define         PCIIC_REGNUM_MASK             0xfc
  16 #define         PCIIC_REGNUM_SHIFT               2
  17 #define PCII_CONFDATA   0xCFC
  18
  19 #define PCII_SELREG_(bus, dev, func, reg) \
  20         (PCIIC_CODE | \
  21             (((bus) << PCIIC_BUSNUM_SHIFT) & PCIIC_BUSNUM_MASK) | \
  22             (((dev) << PCIIC_DEVNUM_SHIFT) & PCIIC_DEVNUM_MASK) | \
  23             (((func) << PCIIC_FUNCNUM_SHIFT) & PCIIC_FUNCNUM_MASK) | \
  24             ((((reg)/4) << PCIIC_REGNUM_SHIFT) & PCIIC_REGNUM_MASK))
  25 #define PCII_UNSEL      (0)
  26
  27 #define PCII_RREG8_(bus, dev, func, reg) \
  28         (pci_outl(PCII_CONFADD, PCII_SELREG_(bus, dev, func, reg)), \
  29         pci_inb(PCII_CONFDATA+((reg)&3)))
  30 #define PCII_RREG16_(bus, dev, func, reg) \
  31         (PCII_RREG8_(bus, dev, func, reg) | \
  32         (PCII_RREG8_(bus, dev, func, reg+1) << 8))
  33 #define PCII_RREG32_(bus, dev, func, reg) \
  34         (PCII_RREG16_(bus, dev, func, reg) | \
  35         (PCII_RREG16_(bus, dev, func, reg+2) << 16))
  36
  37 #define PCII_WREG8_(bus, dev, func, reg, val) \
  38         (pci_outl(PCII_CONFADD, PCII_SELREG_(bus, dev, func, reg)), \
  39         pci_outb(PCII_CONFDATA+((reg)&3), (val)))
  40 #define PCII_WREG16_(bus, dev, func, reg, val) \
  41         (PCII_WREG8_(bus, dev, func, reg, (val)), \
  42         (PCII_WREG8_(bus, dev, func, reg+1, (val) >> 8)))
  43 #define PCII_WREG32_(bus, dev, func, reg, val) \
  44         (PCII_WREG16_(bus, dev, func, reg, (val)), \
  45         (PCII_WREG16_(bus, dev, func, reg+2, (val) >> 16)))
  46
  47 /* PIIX configuration registers */
  48 #define PIIX_PIRQRCA    0x60
  49 #define         PIIX_IRQ_DI     0x80
  50 #define         PIIX_IRQ_MASK   0x0F
  51
  52 /* PIIX extensions to the PIC */
  53 #define PIIX_ELCR1      0x4D0
  54 #define PIIX_ELCR2      0x4D1
  55
  56 /*
  57  * $PchId: pci_intel.h,v 1.1 2000/08/12 11:20:17 philip Exp $
  58  */