modules/mcemu/mcemu_io.c

   1 /*
   2    Copyright 2006-2008, Romz
   3    Copyright 2010, Polo
   4    Licenced under Academic Free License version 3.0
   5    Review OpenUsbLd README & LICENSE files for further details.
   6    */
   7
   8 #include "mcemu.h"
   9
  10 int mc_configure(MemoryCard *mcds)
  11 {
  12         register int i;
  13
  14         DPRINTF("vmcSpec[0].active = %d\n", vmcSpec[0].active);
  15         DPRINTF("vmcSpec[1].active = %d\n", vmcSpec[1].active);
  16
  17         if(vmcSpec[0].active == 0 && vmcSpec[1].active == 0)
  18                 return 0;
  19
  20         for (i = 0; i < MCEMU_PORTS; i ++, mcds ++)
  21         {
  22                 DPRINTF("vmcSpec[%d].flags           = 0x%X\n", i, vmcSpec[i].flags                        );
  23                 DPRINTF("vmcSpec[%d].cspec.PageSize  = 0x%X\n", i, vmcSpec[i].cspec.PageSize               );
  24                 DPRINTF("vmcSpec[%d].cspec.BlockSize = 0x%X\n", i, vmcSpec[i].cspec.BlockSize              );
  25                 DPRINTF("vmcSpec[%d].cspec.CardSize  = 0x%X\n", i, (unsigned int)vmcSpec[i].cspec.CardSize );
  26
  27                 if(vmcSpec[i].active == 1)
  28                 {
  29                         // Set virtual memorycard informations
  30                         mcds->mcnum           = i;
  31                         mcds->tcode           = 0x5A; /* 'Z' */
  32                         mcds->cbufp           = &mceccbuf[i][0];
  33                         mcds->dbufp           = &mcdatabuf[0];
  34                         mcds->flags           = vmcSpec[i].flags;
  35                         mcds->cspec.PageSize  = vmcSpec[i].cspec.PageSize;
  36                         mcds->cspec.BlockSize = vmcSpec[i].cspec.BlockSize;
  37                         mcds->cspec.CardSize  = vmcSpec[i].cspec.CardSize;
  38                 }
  39                 else
  40                         mcds->mcnum           = -1;
  41         }
  42
  43         return 1;
  44 }
  45
  46 //---------------------------------------------------------------------------
  47 int mc_read(int mc_num, void *buf, u32 page_num)
  48 {
  49         register u32 lba = 0;
  50
  51 #ifdef HDD_DRIVER
  52         lba = Mcpage_to_Apasector(mc_num, page_num);
  53 #endif
  54
  55 #ifdef USB_DRIVER
  56         lba = vmcSpec[mc_num].stsec + page_num;
  57 #endif
  58
  59 #ifdef SMB_DRIVER
  60         lba = page_num * vmcSpec[mc_num].cspec.PageSize;
  61 #endif
  62
  63         DPRINTF("reading page 0x%X at lba 0x%X\n", (unsigned int)page_num, (unsigned int)lba);
  64
  65 #ifdef HDD_DRIVER
  66         ata_device_dma_transfer(0, buf, lba, 1, ATA_DIR_READ);
  67 #endif
  68
  69 #ifdef USB_DRIVER
  70         mass_stor_readSector(lba, 1, buf);
  71 #endif
  72
  73 #ifdef SMB_DRIVER
  74         if(vmcSpec[mc_num].fid == 0xFFFF)
  75         {
  76                 if(!smb_OpenAndX(vmcSpec[mc_num].fname, &vmcSpec[mc_num].fid, 1))
  77                         return 0;
  78         }
  79
  80         smb_ReadFile(vmcSpec[mc_num].fid, lba, 0, buf, vmcSpec[mc_num].cspec.PageSize);
  81 #endif
  82
  83         return 1;
  84 }
  85
  86 //---------------------------------------------------------------------------
  87 int mc_write(int mc_num, void *buf, u32 page_num)
  88 {
  89         register u32 lba = 0;
  90
  91 #ifdef HDD_DRIVER
  92         lba = Mcpage_to_Apasector(mc_num, page_num);
  93 #endif
  94
  95 #ifdef USB_DRIVER
  96         lba = vmcSpec[mc_num].stsec + page_num;
  97 #endif
  98
  99 #ifdef SMB_DRIVER
 100         lba = page_num * vmcSpec[mc_num].cspec.PageSize;
 101 #endif
 102
 103         DPRINTF("writing page 0x%X at lba 0x%X\n", (unsigned int)page_num, (unsigned int)lba);
 104
 105 #ifdef HDD_DRIVER
 106         ata_device_dma_transfer(0, buf, lba, 1, ATA_DIR_WRITE);
 107 #endif
 108
 109 #ifdef USB_DRIVER
 110         mass_stor_writeSector(lba, 1, buf);
 111 #endif
 112
 113 #ifdef SMB_DRIVER
 114         smb_WriteFile(vmcSpec[mc_num].fid, lba, 0, buf, vmcSpec[mc_num].cspec.PageSize);
 115 #endif
 116
 117         return 1;
 118 }