--- /dev/null
+/*
+ * arch/sh/boards/landisk/io.c
+ *
+ * Copyright (C) 2001 Ian da Silva, Jeremy Siegel
+ * Based largely on io_se.c.
+ *
+ * I/O routine for I-O Data Device, Inc. LANDISK.
+ *
+ * Initial version only to support LAN access; some
+ * placeholder code from io_landisk.c left in with the
+ * expectation of later SuperIO and PCMCIA access.
+ */
+/*
+ * modifed by kogiidena
+ * 2005.03.03
+ */
+#include <linux/kernel.h>
+#include <linux/types.h>
+#include <linux/pci.h>
+#include <asm/landisk/iodata_landisk.h>
+#include <asm/addrspace.h>
+#include <asm/io.h>
+
+extern void *area5_io_base; /* Area 5 I/O Base address */
+extern void *area6_io_base; /* Area 6 I/O Base address */
+
+static inline unsigned long port2adr(unsigned int port)
+{
+ if ((0x1f0 <= port && port < 0x1f8) || port == 0x3f6)
+ if (port == 0x3f6)
+ return ((unsigned long)area5_io_base + 0x2c);
+ else
+ return ((unsigned long)area5_io_base + PA_PIDE_OFFSET +
+ ((port - 0x1f0) << 1));
+ else if ((0x170 <= port && port < 0x178) || port == 0x376)
+ if (port == 0x376)
+ return ((unsigned long)area6_io_base + 0x2c);
+ else
+ return ((unsigned long)area6_io_base + PA_SIDE_OFFSET +
+ ((port - 0x170) << 1));
+ else
+ maybebadio((unsigned long)port);
+
+ return port;
+}
+
+/*
+ * General outline: remap really low stuff [eventually] to SuperIO,
+ * stuff in PCI IO space (at or above window at pci.h:PCIBIOS_MIN_IO)
+ * is mapped through the PCI IO window. Stuff with high bits (PXSEG)
+ * should be way beyond the window, and is used w/o translation for
+ * compatibility.
+ */
+u8 landisk_inb(unsigned long port)
+{
+ if (PXSEG(port))
+ return ctrl_inb(port);
+ else if (is_pci_ioaddr(port))
+ return ctrl_inb(pci_ioaddr(port));
+
+ return ctrl_inw(port2adr(port)) & 0xff;
+}
+
+u8 landisk_inb_p(unsigned long port)
+{
+ u8 v;
+
+ if (PXSEG(port))
+ v = ctrl_inb(port);
+ else if (is_pci_ioaddr(port))
+ v = ctrl_inb(pci_ioaddr(port));
+ else
+ v = ctrl_inw(port2adr(port)) & 0xff;
+
+ ctrl_delay();
+
+ return v;
+}
+
+u16 landisk_inw(unsigned long port)
+{
+ if (PXSEG(port))
+ return ctrl_inw(port);
+ else if (is_pci_ioaddr(port))
+ return ctrl_inw(pci_ioaddr(port));
+ else
+ maybebadio(port);
+
+ return 0;
+}
+
+u32 landisk_inl(unsigned long port)
+{
+ if (PXSEG(port))
+ return ctrl_inl(port);
+ else if (is_pci_ioaddr(port))
+ return ctrl_inl(pci_ioaddr(port));
+ else
+ maybebadio(port);
+
+ return 0;
+}
+
+void landisk_outb(u8 value, unsigned long port)
+{
+ if (PXSEG(port))
+ ctrl_outb(value, port);
+ else if (is_pci_ioaddr(port))
+ ctrl_outb(value, pci_ioaddr(port));
+ else
+ ctrl_outw(value, port2adr(port));
+}
+
+void landisk_outb_p(u8 value, unsigned long port)
+{
+ if (PXSEG(port))
+ ctrl_outb(value, port);
+ else if (is_pci_ioaddr(port))
+ ctrl_outb(value, pci_ioaddr(port));
+ else
+ ctrl_outw(value, port2adr(port));
+ ctrl_delay();
+}
+
+void landisk_outw(u16 value, unsigned long port)
+{
+ if (PXSEG(port))
+ ctrl_outw(value, port);
+ else if (is_pci_ioaddr(port))
+ ctrl_outw(value, pci_ioaddr(port));
+ else
+ maybebadio(port);
+}
+
+void landisk_outl(u32 value, unsigned long port)
+{
+ if (PXSEG(port))
+ ctrl_outl(value, port);
+ else if (is_pci_ioaddr(port))
+ ctrl_outl(value, pci_ioaddr(port));
+ else
+ maybebadio(port);
+}
+
+void landisk_insb(unsigned long port, void *dst, unsigned long count)
+{
+ volatile u16 *p;
+ u8 *buf = dst;
+
+ if (PXSEG(port)) {
+ while (count--)
+ *buf++ = *(volatile u8 *)port;
+ } else if (is_pci_ioaddr(port)) {
+ volatile u8 *bp = (volatile u8 *)pci_ioaddr(port);
+
+ while (count--)
+ *buf++ = *bp;
+ } else {
+ p = (volatile u16 *)port2adr(port);
+ while (count--)
+ *buf++ = *p & 0xff;
+ }
+}
+
+void landisk_insw(unsigned long port, void *dst, unsigned long count)
+{
+ volatile u16 *p;
+ u16 *buf = dst;
+
+ if (PXSEG(port))
+ p = (volatile u16 *)port;
+ else if (is_pci_ioaddr(port))
+ p = (volatile u16 *)pci_ioaddr(port);
+ else
+ p = (volatile u16 *)port2adr(port);
+ while (count--)
+ *buf++ = *p;
+}
+
+void landisk_insl(unsigned long port, void *dst, unsigned long count)
+{
+ u32 *buf = dst;
+
+ if (is_pci_ioaddr(port)) {
+ volatile u32 *p = (volatile u32 *)pci_ioaddr(port);
+
+ while (count--)
+ *buf++ = *p;
+ } else
+ maybebadio(port);
+}
+
+void landisk_outsb(unsigned long port, const void *src, unsigned long count)
+{
+ volatile u16 *p;
+ const u8 *buf = src;
+
+ if (PXSEG(port))
+ while (count--)
+ ctrl_outb(*buf++, port);
+ else if (is_pci_ioaddr(port)) {
+ volatile u8 *bp = (volatile u8 *)pci_ioaddr(port);
+
+ while (count--)
+ *bp = *buf++;
+ } else {
+ p = (volatile u16 *)port2adr(port);
+ while (count--)
+ *p = *buf++;
+ }
+}
+
+void landisk_outsw(unsigned long port, const void *src, unsigned long count)
+{
+ volatile u16 *p;
+ const u16 *buf = src;
+
+ if (PXSEG(port))
+ p = (volatile u16 *)port;
+ else if (is_pci_ioaddr(port))
+ p = (volatile u16 *)pci_ioaddr(port);
+ else
+ p = (volatile u16 *)port2adr(port);
+
+ while (count--)
+ *p = *buf++;
+}
+
+void landisk_outsl(unsigned long port, const void *src, unsigned long count)
+{
+ const u32 *buf = src;
+
+ if (is_pci_ioaddr(port)) {
+ volatile u32 *p = (volatile u32 *)pci_ioaddr(port);
+
+ while (count--)
+ *p = *buf++;
+ } else
+ maybebadio(port);
+}
+
+void __iomem *landisk_ioport_map(unsigned long port, unsigned int size)
+{
+ if (PXSEG(port))
+ return (void __iomem *)port;
+ else if (is_pci_ioaddr(port))
+ return (void __iomem *)pci_ioaddr(port);
+
+ return (void __iomem *)port2adr(port);
+}
git://git.onelab.eu / linux-2.6.git / blobdiff