rom/devs/ata/ata_bus.h

   1 /*
   2     Copyright © 2004-2013, The AROS Development Team. All rights reserved.
   3     $Id$
   4
   5     Desc: private inline stubs for calling DMA and PIO vectors
   6     Lang: English
   7 */
   8
   9 static inline VOID PIO_Out(struct ata_Bus* bus, UBYTE val, UWORD offset)
  10 {
  11     register void *obj = bus->pioInterface;
  12     struct ATA_BusInterface *vec = obj - sizeof(struct ATA_BusInterface);
  13
  14     vec->ata_out(obj, val, offset);
  15 }
  16
  17 static inline UBYTE PIO_In(struct ata_Bus* bus, UWORD offset)
  18 {
  19     register void *obj = bus->pioInterface;
  20     struct ATA_BusInterface *vec = obj - sizeof(struct ATA_BusInterface);
  21
  22     return vec->ata_in(obj, offset);
  23 }
  24
  25 static inline VOID PIO_OutAlt(struct ata_Bus* bus, UBYTE val, UWORD offset)
  26 {
  27     register void *obj = bus->pioInterface;
  28     struct ATA_BusInterface *vec = obj - sizeof(struct ATA_BusInterface);
  29
  30     vec->ata_out_alt(obj, val, offset);
  31 }
  32
  33 static inline UBYTE PIO_InAlt(struct ata_Bus* bus, UWORD offset)
  34 {
  35     register void *obj = bus->pioInterface;
  36     struct ATA_BusInterface *vec = obj - sizeof(struct ATA_BusInterface);
  37
  38     return vec->ata_in_alt(obj, offset);
  39 }
  40
  41 static inline BOOL DMA_Setup(struct ata_Bus *bus, APTR buffer, IPTR size, BOOL read)
  42 {
  43     register void *obj = bus->dmaInterface;
  44     struct ATA_DMAInterface *vec = obj - sizeof(struct ATA_DMAInterface);
  45
  46     return vec->dma_Prepare(obj, buffer, size, read);
  47 }
  48
  49 static inline void DMA_Start(struct ata_Bus *bus)
  50 {
  51     register void *obj = bus->dmaInterface;
  52     struct ATA_DMAInterface *vec = obj - sizeof(struct ATA_DMAInterface);
  53
  54     vec->dma_Start(obj);
  55 }
  56
  57 static inline void DMA_End(struct ata_Bus *bus, APTR addr, IPTR len, BOOL read)
  58 {
  59     register void *obj = bus->dmaInterface;
  60     struct ATA_DMAInterface *vec = obj - sizeof(struct ATA_DMAInterface);
  61
  62     vec->dma_End(obj, addr, len, read);
  63 }
  64
  65 static inline ULONG DMA_GetResult(struct ata_Bus *bus)
  66 {
  67     register void *obj = bus->dmaInterface;
  68     struct ATA_DMAInterface *vec = obj - sizeof(struct ATA_DMAInterface);
  69
  70     return vec->dma_Result(obj);
  71 }
  72
  73 /* Convert data instance pointer back to OOP object pointer */
  74 #define OOP_OBJECT(cl, data) (((void *)data) - cl->InstOffset)
  75
  76 static inline void Unit_Enable32Bit(struct ata_Unit *unit)
  77 {
  78     struct ata_Bus *bus = unit->au_Bus;
  79
  80     unit->au_UseModes |= AF_XFER_PIO32;
  81     unit->au_ins       = bus->pioVectors->ata_insl;
  82     unit->au_outs      = bus->pioVectors->ata_outsl;
  83 }
  84
  85 static inline void Unit_Disable32Bit(struct ata_Unit *unit)
  86 {
  87     struct ata_Bus *bus = unit->au_Bus;
  88
  89     unit->au_UseModes &= ~AF_XFER_PIO32;
  90     unit->au_ins       = bus->pioVectors->ata_insw;
  91     unit->au_outs      = bus->pioVectors->ata_outsw;
  92 }
  93
  94 static inline void Unit_OutS(struct ata_Unit *unit, APTR data, ULONG length)
  95 {
  96     unit->au_outs(unit->pioInterface, data, length);
  97 }
  98
  99 static inline void Unit_InS(struct ata_Unit *unit, APTR data, ULONG length)
 100 {
 101     unit->au_ins(unit->pioInterface, data, length);
 102 }