#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 8) #include <linux/pci.h> #include <asm/io.h> #ifndef fastcall #define fastcall #endif /* * the following code is stripped from linux/lib/iomap.c */ #define PIO_OFFSET 0x10000UL #define PIO_MASK 0x0ffffUL #define PIO_RESERVED 0x40000UL #define IO_COND(addr, is_pio, is_mmio) do { \ unsigned long port = (unsigned long)addr; \ if (port < PIO_RESERVED) { \ port &= PIO_MASK; \ is_pio; \ } else { \ is_mmio; \ } \ } while (0) static unsigned int fastcall ioread8(void __iomem *addr) { IO_COND(addr, return inb(port), return readb(addr)); } static unsigned int fastcall ioread16(void __iomem *addr) { IO_COND(addr, return inw(port), return readw(addr)); } static unsigned int fastcall ioread32(void __iomem *addr) { IO_COND(addr, return inl(port), return readl(addr)); } static void fastcall iowrite8(u8 val, void __iomem *addr) { IO_COND(addr, outb(val,port), writeb(val, addr)); } static void fastcall iowrite16(u16 val, void __iomem *addr) { IO_COND(addr, outw(val,port), writew(val, addr)); } static void fastcall iowrite32(u32 val, void __iomem *addr) { IO_COND(addr, outl(val,port), writel(val, addr)); } /* Create a virtual mapping cookie for an IO port range */ static void __iomem *ioport_map(unsigned long port, unsigned int nr) { if (port > PIO_MASK) return NULL; return (void __iomem *) (unsigned long) (port + PIO_OFFSET); } static void ioport_unmap(void __iomem *addr) { /* Nothing to do */ } /* Create a virtual mapping cookie for a PCI BAR (memory or IO) */ static void __iomem *pci_iomap(struct pci_dev *dev, int bar, unsigned long maxlen) { unsigned long start = pci_resource_start(dev, bar); unsigned long len = pci_resource_len(dev, bar); unsigned long flags = pci_resource_flags(dev, bar); if (!len || !start) return NULL; if (maxlen && len > maxlen) len = maxlen; if (flags & IORESOURCE_IO) return ioport_map(start, len); if (flags & IORESOURCE_MEM) { if (flags & IORESOURCE_CACHEABLE) return ioremap(start, len); return ioremap_nocache(start, len); } /* What? */ return NULL; } static void pci_iounmap(struct pci_dev *dev, void __iomem * addr) { IO_COND(addr, /* nothing */, iounmap(addr)); } #endif