AliM1543C_usb.cpp

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/* ES40 emulator.
 * Copyright (C) 2007-2008 by the ES40 Emulator Project
 *
 * WWW    : http://sourceforge.net/projects/es40
 * E-mail : camiel@camicom.com
 * 
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 * 
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 * 
 * Although this is not required, the author would appreciate being notified of, 
 * and receiving any modifications you may make to the source code that might serve
 * the general public.
 */

#include "StdAfx.h"
#include "AliM1543C_usb.h"
#include "System.h"

u32 usb_cfg_data[64] = {
  /*00*/  0x523710b9, // CFID: vendor + device
  /*04*/  0x02800000, // CFCS: command + status
  /*08*/  0x0c031003, // CFRV: class + revision
  /*0c*/  0x00000000, // CFLT: latency timer + cache line size
  /*10*/  0x00000000, // BAR0:
  /*14*/  0x00000000, // BAR1:
  /*18*/  0x00000000, // BAR2:
  /*1c*/  0x00000000, // BAR3:
  /*20*/  0x00000000, // BAR4:
  /*24*/  0x00000000, // BAR5:
  /*28*/  0x00000000, // CCIC: CardBus
  /*2c*/  0x00000000, // CSID: subsystem + vendor
  /*30*/  0x00000000, // BAR6: expansion rom base
  /*34*/  0x00000000, // CCAP: capabilities pointer
  /*38*/  0x00000000,
  /*3c*/  0x500001ff, // CFIT: interrupt configuration
  0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
  0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
  0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
};

u32 usb_cfg_mask[64] = {
  /*00*/  0x00000000, // CFID: vendor + device
  /*04*/  0x00000157, // CFCS: command + status
  /*08*/  0x00000000, // CFRV: class + revision
  /*0c*/  0x0000ffff, // CFLT: latency timer + cache line size
  /*10*/  0xfffff000, // BAR0
  /*14*/  0x00000000, // BAR1:
  /*18*/  0x00000000, // BAR2:
  /*1c*/  0x00000000, // BAR3:
  /*20*/  0x00000000, // BAR4:
  /*24*/  0x00000000, // BAR5:
  /*28*/  0x00000000, // CCIC: CardBus
  /*2c*/  0x00000000, // CSID: subsystem + vendor
  /*30*/  0x00000000, // BAR6: expansion rom base
  /*34*/  0x00000000, // CCAP: capabilities pointer
  /*38*/  0x00000000,
  /*3c*/  0x000000ff, // CFIT: interrupt configuration
  /*40*/  0x04100000, // TM - test mode register
  0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
  0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
  0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
};

CAliM1543C_usb::CAliM1543C_usb(CConfigurator*  cfg, CSystem*  c, int pcibus,
                               int pcidev) : CPCIDevice(cfg, c, pcibus, pcidev)
{
  add_function(0, usb_cfg_data, usb_cfg_mask);

  ResetPCI();

  state.usb_data[0x34 / 4] = 0x2edf;
  state.usb_data[0x48 / 4] = 0x01000003;

  printf("%s: $Id: AliM1543C_usb.cpp,v 1.6 2008/03/14 15:30:50 iamcamiel Exp $\n",
         devid_string);
}

CAliM1543C_usb::~CAliM1543C_usb()
{ }
u32 CAliM1543C_usb::ReadMem_Bar(int func, int bar, u32 address, int dsize)
{
  u32 data = 0;
  switch(bar)
  {
  case 0:   data = usb_hci_read(address, dsize); break;
  default:  printf("%%USB-W-READBAR: Bad BAR %d selected.\n", bar);
  }

  return data;
}

void CAliM1543C_usb::WriteMem_Bar(int func, int bar, u32 address, int dsize,
                                  u32 data)
{
  switch(bar)
  {
  case 0:   usb_hci_write(address, dsize, data); break;
  default:  printf("%%USB-W-WRITEBAR: Bad BAR %d selected.\n", bar);
  }

  return;
}

u64 CAliM1543C_usb::usb_hci_read(u64 address, int dsize)
{
  u64 data = 0;
  if(dsize != 32)
    printf("%%USB-W-HCIREAD: Non dword read, returning 32 bits anyway.\n");
  switch(address)
  {
  case 0:     // HcRevision
    data = 0x00000110;
    break;

  case 4:     // HcControl
  case 8:     // HcCommandStatus
  case 0x0c:  // HcInterruptStatus
  case 0x10:  // HcInterrupt Enable
  case 0x14:  // HcInterruptDisable
  case 0x18:  // HcHCCA (datasheet says 0x17, but that's wrong)
  case 0x1c:  // HcPeriodCurrentED
  case 0x20:  // HcControlHeadED
  case 0x24:  // HcControlCurrentED
  case 0x28:  // HcBulkHeadED
  case 0x2c:  // HcBulkCurrentED
  case 0x30:  // HcDoneHead
  case 0x34:  // HcFmInterval
  case 0x38:  // HcFrameRemaining
  case 0x3c:  // HcFmNumber
  case 0x40:  // HcPeriodicStart
  case 0x44:  // HcLSThreshold
  case 0x48:  // HcRhDescriptorA
  case 0x4c:  // HcRhDescriptorB
  case 0x50:  // HcRhStatus
  case 0x54:  // HcRhPortStatus1
  case 0x58:  // HcRhPortStatus1
  case 0x5c:  // HcRhPortStatus1
  case 0x100: // HceControlRegister
  case 0x104: // HceInputRegister
  case 0x108: // HceOutputRegister
  case 0x10c: // HceStatusRegister
    data = state.usb_data[address / 4];
    break;

  default:
    printf("%%USB-W-HCIREAD: Reading from unknown address %x.  Ignoring.\n",
           (int) address);
  }

  return data;
}

void CAliM1543C_usb::usb_hci_write(u64 address, int dsize, u64 data)
{
  if(dsize != 32)
    printf("%%USB-W-HCIWRITE: Non dword write, writing 32 bits anyway.\n");
  switch(address)
  {
  case 4:     // HcControl
  case 8:     // HcCommandStatus
  case 0x0c:  // HcInterruptStatus
  case 0x10:  // HcInterrupt Enable
  case 0x14:  // HcInterruptDisable
  case 0x18:  // HcHCCA (datasheet says 0x17, but that's wrong)
  case 0x1c:  // HcPeriodCurrentED
  case 0x20:  // HcControlHeadED
  case 0x24:  // HcControlCurrentED
  case 0x28:  // HcBulkHeadED
  case 0x2c:  // HcBulkCurrentED
  case 0x30:  // HcDoneHead
  case 0x34:  // HcFmInterval
  case 0x38:  // HcFrameRemaining
  case 0x3c:  // HcFmNumber
  case 0x40:  // HcPeriodicStart
  case 0x44:  // HcLSThreshold
  case 0x48:  // HcRhDescriptorA
  case 0x4c:  // HcRhDescriptorB
  case 0x50:  // HcRhStatus
  case 0x54:  // HcRhPortStatus1
  case 0x58:  // HcRhPortStatus1
  case 0x5c:  // HcRhPortStatus1
  case 0x100: // HceControlRegister
  case 0x104: // HceInputRegister
  case 0x108: // HceOutputRegister
  case 0x10c: // HceStatusRegister
    state.usb_data[address / 4] = data;
    break;

  default:
    printf("%%USB-W-HCIWRITE: Writing to unknown address %x.  Ignoring.\n",
           (int) address);
  }
}

static u32  usb_magic1 = 0x9000432B;
static u32  usb_magic2 = 0xB2340009;

int CAliM1543C_usb::SaveState(FILE* f)
{
  long  ss = sizeof(state);
  int   res;

  if(res = CPCIDevice::SaveState(f))
    return res;

  fwrite(&usb_magic1, sizeof(u32), 1, f);
  fwrite(&ss, sizeof(long), 1, f);
  fwrite(&state, sizeof(state), 1, f);
  fwrite(&usb_magic2, sizeof(u32), 1, f);
  printf("%s: %d bytes saved.\n", devid_string, (int) ss);
  return 0;
}

int CAliM1543C_usb::RestoreState(FILE* f)
{
  long    ss;
  u32     m1;
  u32     m2;
  int     res;
  size_t  r;

  if(res = CPCIDevice::RestoreState(f))
    return res;

  r = fread(&m1, sizeof(u32), 1, f);
  if(r != 1)
  {
    printf("%s: unexpected end of file!\n", devid_string);
    return -1;
  }

  if(m1 != usb_magic1)
  {
    printf("%s: MAGIC 1 does not match!\n", devid_string);
    return -1;
  }

  fread(&ss, sizeof(long), 1, f);
  if(r != 1)
  {
    printf("%s: unexpected end of file!\n", devid_string);
    return -1;
  }

  if(ss != sizeof(state))
  {
    printf("%s: STRUCT SIZE does not match!\n", devid_string);
    return -1;
  }

  fread(&state, sizeof(state), 1, f);
  if(r != 1)
  {
    printf("%s: unexpected end of file!\n", devid_string);
    return -1;
  }

  r = fread(&m2, sizeof(u32), 1, f);
  if(r != 1)
  {
    printf("%s: unexpected end of file!\n", devid_string);
    return -1;
  }

  if(m2 != usb_magic2)
  {
    printf("%s: MAGIC 1 does not match!\n", devid_string);
    return -1;
  }

  printf("%s: %d bytes restored.\n", devid_string, (int) ss);
  return 0;
}

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