arch/sh/boards/mach-titan/io.c

   1 /*
   2  *      I/O routines for Titan
   3  */
   4 #include <linux/pci.h>
   5 #include <asm/machvec.h>
   6 #include <asm/addrspace.h>
   7 #include <mach/titan.h>
   8 #include <asm/io.h>
   9
  10 static inline unsigned int port2adr(unsigned int port)
  11 {
  12         maybebadio((unsigned long)port);
  13         return port;
  14 }
  15
  16 u8 titan_inb(unsigned long port)
  17 {
  18         if (PXSEG(port))
  19                 return ctrl_inb(port);
  20         return ctrl_inw(port2adr(port)) & 0xff;
  21 }
  22
  23 u8 titan_inb_p(unsigned long port)
  24 {
  25         u8 v;
  26
  27         if (PXSEG(port))
  28                 v = ctrl_inb(port);
  29         else
  30                 v = ctrl_inw(port2adr(port)) & 0xff;
  31         ctrl_delay();
  32         return v;
  33 }
  34
  35 u16 titan_inw(unsigned long port)
  36 {
  37         if (PXSEG(port))
  38                 return ctrl_inw(port);
  39         else if (port >= 0x2000)
  40                 return ctrl_inw(port2adr(port));
  41         else
  42                 maybebadio(port);
  43         return 0;
  44 }
  45
  46 u32 titan_inl(unsigned long port)
  47 {
  48         if (PXSEG(port))
  49                 return ctrl_inl(port);
  50         else if (port >= 0x2000)
  51                 return ctrl_inw(port2adr(port));
  52         else
  53                 maybebadio(port);
  54         return 0;
  55 }
  56
  57 void titan_outb(u8 value, unsigned long port)
  58 {
  59         if (PXSEG(port))
  60                 ctrl_outb(value, port);
  61         else
  62                 ctrl_outw(value, port2adr(port));
  63 }
  64
  65 void titan_outb_p(u8 value, unsigned long port)
  66 {
  67         if (PXSEG(port))
  68                 ctrl_outb(value, port);
  69         else
  70                 ctrl_outw(value, port2adr(port));
  71         ctrl_delay();
  72 }
  73
  74 void titan_outw(u16 value, unsigned long port)
  75 {
  76         if (PXSEG(port))
  77                 ctrl_outw(value, port);
  78         else if (port >= 0x2000)
  79                 ctrl_outw(value, port2adr(port));
  80         else
  81                 maybebadio(port);
  82 }
  83
  84 void titan_outl(u32 value, unsigned long port)
  85 {
  86         if (PXSEG(port))
  87                 ctrl_outl(value, port);
  88         else
  89                 maybebadio(port);
  90 }
  91
  92 void titan_insl(unsigned long port, void *dst, unsigned long count)
  93 {
  94         maybebadio(port);
  95 }
  96
  97 void titan_outsl(unsigned long port, const void *src, unsigned long count)
  98 {
  99         maybebadio(port);
 100 }
 101
 102 void __iomem *titan_ioport_map(unsigned long port, unsigned int size)
 103 {
 104         if (PXSEG(port))
 105                 return (void __iomem *)port;
 106
 107         return (void __iomem *)port2adr(port);
 108 }