rom/devs/sdcard/sdcard_bus.h

   1 #ifndef _SDCARD_BUS_H
   2 #define _SDCARD_BUS_H
   3 /*
   4     Copyright © 2013, The AROS Development Team. All rights reserved.
   5     $Id$
   6 */
   7
   8 #include <exec/types.h>
   9 #include <exec/devices.h>
  10 #include <exec/semaphores.h>
  11 #include <exec/ports.h>
  12 #include <exec/io.h>
  13
  14 #define FNAME_SDCBUS(x)                 SDCARD__SDBus__ ## x
  15
  16 struct sdcard_BusUnits
  17 {
  18       /* Unit Management */
  19     ULONG                               sdcbu_UnitBase;
  20     ULONG                               sdcbu_UnitMax;
  21     ULONG                               sdcbu_UnitCnt;
  22     struct sdcard_Unit                  *sdcbu_Units;      /* Units on the bus ( x sdcbu_UnitMax) */
  23 };
  24
  25 struct sdcard_Bus
  26 {
  27     struct Node                         sdcb_Node;
  28     struct SDCardBase                   *sdcb_DeviceBase;    /* Device self */
  29
  30     ULONG                               sdcb_Quirks;
  31
  32     APTR                                sdcb_IOBase;
  33     ULONG                               sdcb_BusIRQ;
  34     ULONG                               sdcb_BusNum;
  35
  36     ULONG                               sdcb_BusFlags;       /* Bus flags similar to unit flags */
  37     ULONG                               sdcb_BusStatus;      /* copy of the status register */
  38     UBYTE                               sdcb_TaskSig;        /* Signal used to wake task */
  39     UBYTE                               sdcb_SectorShift;    /* Sector shift. 9 here is 512 bytes sector */
  40
  41     struct Task                         *sdcb_Task;
  42     struct MsgPort                      *sdcb_MsgPort;
  43     struct IORequest                    *sdcb_Timer;         /* timer stuff */
  44
  45     APTR                                sdcb_IRQHandle;
  46
  47     /* Chipset .. */
  48     ULONG                               sdcb_Capabilities;
  49     ULONG                               sdcb_Version;
  50     ULONG                               sdcb_ClockMax;
  51     ULONG                               sdcb_ClockMin;
  52     ULONG                               sdcb_Power;          /* Supported Voltages */
  53
  54     ULONG                               sdcb_IntrMask;
  55
  56     /* Unit Management */
  57     struct sdcard_BusUnits              *sdcb_BusUnits;         /* Units on the bus */
  58
  59     /* */
  60     BYTE                                (*sdcb_LEDCtrl)(int);
  61     UBYTE                               (*sdcb_IOReadByte)(ULONG, struct sdcard_Bus *);
  62     UWORD                               (*sdcb_IOReadWord)(ULONG, struct sdcard_Bus *);
  63     ULONG                               (*sdcb_IOReadLong)(ULONG, struct sdcard_Bus *);
  64
  65     void                                (*sdcb_IOWriteByte)(ULONG, UBYTE, struct sdcard_Bus *);
  66     void                                (*sdcb_IOWriteWord)(ULONG, UWORD, struct sdcard_Bus *);
  67     void                                (*sdcb_IOWriteLong)(ULONG, ULONG, struct sdcard_Bus *);
  68
  69     /* Bus Instance Private/Internal */
  70     IPTR                                sdcb_Private;
  71 };
  72
  73 /* Bus Flags .. */
  74 #define AB_Bus_MediaPresent             30     /* media available */
  75 #define AB_Bus_MediaChanged             29     /* media changed */
  76 #define AB_Bus_SPI                      28
  77
  78 #define AF_Bus_MediaPresent             (1 << AB_Bus_MediaPresent)
  79 #define AF_Bus_MediaChanged             (1 << AB_Bus_MediaChanged)
  80 #define AF_Bus_SPI                      (1 << AB_Bus_SPI)
  81
  82 BOOL FNAME_SDCBUS(RegisterUnit)(struct sdcard_Bus *);
  83 BOOL FNAME_SDCBUS(StartUnit)(struct sdcard_Unit *);
  84
  85 void FNAME_SDCBUS(SoftReset)(UBYTE, struct sdcard_Bus *);
  86 ULONG FNAME_SDCBUS(GetClockDiv)(ULONG, struct sdcard_Bus *);
  87 void FNAME_SDCBUS(SetClock)(ULONG, struct sdcard_Bus *);
  88 void FNAME_SDCBUS(SetPowerLevel)(ULONG, BOOL, struct sdcard_Bus *);
  89 ULONG FNAME_SDCBUS(SendCmd)(struct TagItem *, struct sdcard_Bus *);
  90 ULONG FNAME_SDCBUS(WaitCmd)(ULONG, ULONG, struct sdcard_Bus *);
  91 ULONG FNAME_SDCBUS(FinishCmd)(struct TagItem *, struct sdcard_Bus *);
  92 ULONG FNAME_SDCBUS(FinishData)(struct TagItem *, struct sdcard_Bus *);
  93 ULONG FNAME_SDCBUS(Rsp136Unpack)(ULONG *, ULONG, const ULONG);
  94
  95 void FNAME_SDCBUS(BusIRQ)(struct sdcard_Bus *, struct TagItem *);
  96 void FNAME_SDCBUS(BusTask)(struct sdcard_Bus *);
  97
  98 #endif /* _SDCARD_BUS_H */