arch/ppc-chrp/efika/include/asm/io.h

   1 #ifndef ASM_IO_H
   2 #define ASM_IO_H
   3
   4 #include <inttypes.h>
   5
   6 static inline eieio() {
   7     asm volatile("eieio":::"memory");
   8 }
   9
  10 static inline sync() {
  11     asm volatile("sync":::"memory");
  12 }
  13
  14 static inline isync() {
  15     asm volatile("isync":::"memory");
  16 }
  17
  18 static inline uint8_t inb(uint8_t *port) {
  19     uint8_t ret; asm volatile("sync; lbz%U1%X1 %0,%1; eieio":"=r"(ret):"m"(*port)); return ret;
  20 }
  21
  22 static inline void outb(uint8_t val, char *port) {
  23     asm volatile("stb%U0%X0 %1,%0; eieio; sync"::"m"(*port),"r"(val));
  24 }
  25
  26 static inline uint16_t inw(uint16_t *port) {
  27     uint16_t ret; asm volatile("sync; lhz%U1%X1 %0,%1; eieio":"=r"(ret):"m"(*port)); return ret;
  28 }
  29
  30 static inline void outw(uint16_t val, uint16_t *port) {
  31     asm volatile("sth%U0%X0 %1,%0; eieio; sync"::"m"(*port),"r"(val));
  32 }
  33
  34 static inline uint16_t inw_be(uint16_t *port) {
  35     return inw(port);
  36
  37 }
  38
  39 static inline void outw_be(uint16_t val, uint16_t *port) {
  40     outw(val, port);
  41 }
  42
  43 static inline uint16_t inw_le(uint16_t *port) {
  44     uint16_t ret; asm volatile("sync; lhbrx %0,0,%1; eieio":"=r"(ret):"r"(port),"m"(*port)); return ret;
  45 }
  46
  47 static inline void outw_le(uint16_t val, uint16_t *port) {
  48     asm volatile("sthbrx %1,0,%2; eieio; sync":"=m"(*port):"r"(val),"r"(port));
  49 }
  50
  51
  52 static inline uint32_t inl(uint32_t *port) {
  53     uint32_t ret; asm volatile("sync; lwz%U1%X1 %0,%1; eieio":"=r"(ret):"m"(*port)); return ret;
  54 }
  55
  56 static inline void outl(uint32_t val, uint32_t *port) {
  57     asm volatile("stw%U0%X0 %1,%0; eieio; sync"::"m"(*port),"r"(val));
  58 }
  59
  60 static inline uint32_t inl_be(uint32_t *port) {
  61     return inl(port);
  62 }
  63
  64 static inline void outl_be(uint32_t val, uint32_t *port) {
  65     outl(val, port);
  66 }
  67
  68 static inline uint32_t inl_le(uint32_t *port) {
  69     uint32_t ret; asm volatile("sync; lwbrx %0,0,%1; eieio":"=r"(ret):"r"(port),"m"(*port)); return ret;
  70 }
  71
  72 static inline void outl_le(uint32_t val, uint32_t *port) {
  73     asm volatile("stwbrx %1,0,%2; eieio; sync":"=m"(*port):"r"(val),"r"(port));
  74 }
  75
  76 //static inline void pci_outb(uint8_t val, uint16_t port)
  77 //{
  78 //    outb(val, (uint8_t *)(port + PCIC0_IO));
  79 //}
  80 //
  81 //static inline void pci_outw(uint16_t val, uint16_t port)
  82 //{
  83 //    outw(val, (uint16_t *)(port + PCIC0_IO));
  84 //}
  85 //
  86 //static inline void pci_outw_be(uint16_t val, uint16_t port)
  87 //{
  88 //    outw_be(val, (uint16_t *)(port + PCIC0_IO));
  89 //}
  90 //
  91 //static inline void pci_outw_le(uint16_t val, uint16_t port)
  92 //{
  93 //    outw_le(val, (uint16_t *)(port + PCIC0_IO));
  94 //}
  95 //
  96 //static inline void pci_outl(uint32_t val, uint16_t port)
  97 //{
  98 //    outl(val, (uint32_t *)(port + PCIC0_IO));
  99 //}
 100 //
 101 //static inline void pci_outl_be(uint32_t val, uint16_t port)
 102 //{
 103 //    outl_be(val, (uint32_t *)(port + PCIC0_IO));
 104 //}
 105 //
 106 //static inline void pci_outl_le(uint32_t val, uint16_t port)
 107 //{
 108 //    outl_le(val, (uint32_t *)(port + PCIC0_IO));
 109 //}
 110 //
 111 //static inline uint8_t pci_inb(uint16_t port)
 112 //{
 113 //    return inb((uint8_t *)(port + PCIC0_IO));
 114 //}
 115 //
 116 //static inline uint16_t pci_inw(uint16_t port)
 117 //{
 118 //    return inw((uint16_t *)(port + PCIC0_IO));
 119 //}
 120 //
 121 //static inline uint16_t pci_inw_be(uint16_t port)
 122 //{
 123 //    return inw_be((uint16_t *)(port + PCIC0_IO));
 124 //}
 125 //
 126 //static inline uint16_t pci_inw_le(uint16_t port)
 127 //{
 128 //    return inw_le((uint16_t *)(port + PCIC0_IO));
 129 //}
 130 //
 131 //static inline uint32_t pci_inl(uint16_t port)
 132 //{
 133 //    return inl((uint32_t *)(port + PCIC0_IO));
 134 //}
 135 //
 136 //static inline uint32_t pci_inl_be(uint16_t port)
 137 //{
 138 //    return inl_be((uint32_t *)(port + PCIC0_IO));
 139 //}
 140 //
 141 //static inline uint32_t pci_inl_le(uint16_t port)
 142 //{
 143 //    return inl_le((uint32_t *)(port + PCIC0_IO));
 144 //}
 145
 146
 147 #endif /*ASM_IO_H*/