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     volatile ULONG                      sdcb_BusStatus;      /* copy of the status register */
  38     UBYTE                               sdcb_TaskSig;        /* Signal used to wake task */
  39     UBYTE                               sdcb_MediaSig;       /* Insert/Eject notification */
  40     UBYTE                               sdcb_SectorShift;    /* (1 << sdcb_SectorShift) == sector size in bytes */
  41
  42     struct TagItem                      *sdcb_RespListener;  /* Current TagList waiting for Response */
  43     struct TagItem                      *sdcb_DataListener;  /* Current TagList waiting for Data */
  44
  45     struct Task                         *sdcb_Task;
  46     struct MsgPort                      *sdcb_MsgPort;
  47     struct IORequest                    *sdcb_Timer;         /* timer stuff */
  48
  49     APTR                                sdcb_IRQHandle;
  50
  51     /* Chipset .. */
  52     ULONG                               sdcb_Capabilities;
  53     ULONG                               sdcb_Version;
  54     ULONG                               sdcb_ClockMax;
  55     ULONG                               sdcb_ClockMin;
  56     ULONG                               sdcb_Power;          /* Supported Voltages */
  57
  58     ULONG                               sdcb_IntrMask;
  59
  60     /* Unit Management */
  61     struct sdcard_BusUnits              *sdcb_BusUnits;         /* Units on the bus */
  62
  63     /* */
  64     BYTE                                (*sdcb_LEDCtrl)(int);
  65     UBYTE                               (*sdcb_IOReadByte)(ULONG, struct sdcard_Bus *);
  66     UWORD                               (*sdcb_IOReadWord)(ULONG, struct sdcard_Bus *);
  67     ULONG                               (*sdcb_IOReadLong)(ULONG, struct sdcard_Bus *);
  68
  69     void                                (*sdcb_IOWriteByte)(ULONG, UBYTE, struct sdcard_Bus *);
  70     void                                (*sdcb_IOWriteWord)(ULONG, UWORD, struct sdcard_Bus *);
  71     void                                (*sdcb_IOWriteLong)(ULONG, ULONG, struct sdcard_Bus *);
  72
  73     /* Bus Instance Private/Internal */
  74     IPTR                                sdcb_Private;
  75 };
  76
  77 /* Bus Flags .. */
  78 #define AB_Bus_MediaPresent             30     /* media available */
  79 #define AB_Bus_MediaChanged             29     /* media changed */
  80 #define AB_Bus_SPI                      28
  81 #define AB_Bus_Active                   1
  82
  83 #define AF_Bus_MediaPresent             (1 << AB_Bus_MediaPresent)
  84 #define AF_Bus_MediaChanged             (1 << AB_Bus_MediaChanged)
  85 #define AF_Bus_SPI                      (1 << AB_Bus_SPI)
  86 #define AF_Bus_Active                   (1 << AB_Bus_Active)
  87
  88 BOOL FNAME_SDCBUS(RegisterUnit)(struct sdcard_Bus *);
  89 BOOL FNAME_SDCBUS(StartUnit)(struct sdcard_Unit *);
  90
  91 void FNAME_SDCBUS(SoftReset)(UBYTE, struct sdcard_Bus *);
  92 ULONG FNAME_SDCBUS(GetClockDiv)(ULONG, struct sdcard_Bus *);
  93 void FNAME_SDCBUS(SetClock)(ULONG, struct sdcard_Bus *);
  94 void FNAME_SDCBUS(SetPowerLevel)(ULONG, BOOL, struct sdcard_Bus *);
  95 ULONG FNAME_SDCBUS(SendCmd)(struct TagItem *, struct sdcard_Bus *);
  96 ULONG FNAME_SDCBUS(WaitCmd)(ULONG, ULONG, struct sdcard_Bus *);
  97 ULONG FNAME_SDCBUS(FinishCmd)(struct TagItem *, struct sdcard_Bus *);
  98 ULONG FNAME_SDCBUS(FinishData)(struct TagItem *, struct sdcard_Bus *);
  99 ULONG FNAME_SDCBUS(Rsp136Unpack)(ULONG *, ULONG, const ULONG);
 100
 101 void FNAME_SDCBUS(BusIRQ)(struct sdcard_Bus *, void *);
 102 void FNAME_SDCBUS(BusTask)(struct sdcard_Bus *);
 103
 104 #endif /* _SDCARD_BUS_H */