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/****************************************************************************
* * config.c * * Copyright (c) 1991-1992 Microsoft Corporation. All Rights Reserved. * ***************************************************************************/
#include <windows.h>
#include <mmsystem.h>
#include "registry.h"
#include "mpu401.h"
/*****************************************************************************
internal function prototypes
****************************************************************************/ void Configure(HWND hDlg);
static int PortToId(DWORD wPort){ switch(wPort) { case 0x200: return 0; case 0x210: return 1; case 0x220: return 2; case 0x230: return 3; case 0x240: return 4; case 0x250: return 4; case 0x260: return 6; case 0x270: return 7;
case 0x300: return 8; case 0x310: return 9; case 0x320: return 10; case 0x330: return 11; case 0x340: return 12; case 0x350: return 13; case 0x360: return 14; case 0x370: return 15;
default: return -1; }}
static DWORD IdToPort(int id){ switch(id) { case 0: return 0x200; case 1: return 0x210; case 2: return 0x220; case 3: return 0x230; case 4: return 0x240; case 5: return 0x250; case 6: return 0x260; case 7: return 0x270;
case 8: return 0x300; case 9: return 0x310; case 10: return 0x320; case 11: return 0x330; case 12: return 0x340; case 13: return 0x350; case 14: return 0x360; case 15: return 0x370;
default: return (DWORD)-1; }}
static int IntToId(DWORD Int){ switch(Int) { case 2: return IDC_2; case 9: return IDC_2; case 3: return IDC_3; case 5: return IDC_5; case 7: return IDC_7; default: return (DWORD)-1; }}
static DWORD IdToInt(int id){ switch(id) { case IDC_2: return 9; case IDC_3: return 3; case IDC_5: return 5; case IDC_7: return 7; default: return (DWORD)-1; }}
/***************************************************************************/
void ConfigErrorMsgBox(HWND hDlg, UINT StringId){WCHAR szErrorBuffer[MAX_ERR_STRING]; /* buffer for error messages */
LoadString(ghModule, StringId, szErrorBuffer, sizeof(szErrorBuffer)); MessageBox(hDlg, szErrorBuffer, STR_PRODUCTNAME, MB_OK|MB_ICONEXCLAMATION);}
/***************************************************************************/
LRESULT ConfigRemove(HWND hDlg){
LRESULT rc;
//
// Remove the soundblaster driver entry from the registry
//
rc = DrvRemoveDriver(&RegAccess);
if (rc == DRVCNF_CANCEL) {
/*
* Tell the user there's a problem */ ConfigErrorMsgBox(hDlg, IDS_FAILREMOVE);
}
return rc;}
/****************************************************************************
* @doc INTERNAL * * @api int | Config | This puts up the configuration dialog box. * * @parm HWND | hWnd | Our Window handle. * * @parm HANDLE | hInstance | Our instance handle. * * @rdesc Returns whatever was returned from the dialog box procedure. ***************************************************************************/int Config(HWND hWnd, HANDLE hInstance){ return DialogBox(hInstance, MAKEINTATOM(DLG_CONFIG), hWnd, (DLGPROC)ConfigDlgProc);}
/****************************************************************************
* @doc INTERNAL * * @api BOOL | SetDriverConfig | Callback to set config info in the registry * does not write uninitialized values (-1) * * @parm PVOID | Context | Our context. * * @rdesc Returns TRUE if success, FALSE otherwise. ***************************************************************************/BOOL SetDriverConfig(PVOID Context){ MPU_CONFIG *Config;
Config = (MPU_CONFIG *)Context;
/* We set the IO port and interrupt values */ /* and set the returned version to 0 */ /* */ /* If any of these calls fail then give up */
if (Config->Port != (DWORD)-1 && DrvSetDeviceParameter( &RegAccess, SOUND_REG_PORT, Config->Port) != ERROR_SUCCESS || Config->Int != (DWORD)-1 && DrvSetDeviceParameter( &RegAccess, SOUND_REG_INTERRUPT, Config->Int) != ERROR_SUCCESS) {
return FALSE; } else { return TRUE; }}
/****************************************************************************
* @doc INTERNAL * * @api void | GetPortAndInt | Determines which port and interrupt settings * the user has chosen in the configuration dialog box. * * @parm HWND | hDlg | Handle to the configuration dialog box. * * @rdesc Structure containing new port and interrupt ***************************************************************************/MPU_CONFIG GetPortAndInt(HWND hDlg){ MPU_CONFIG NewConfig; int id, nIndex;
NewConfig.Port = (DWORD)-1; NewConfig.Int = (DWORD)-1;
// get the port - drude
nIndex = SendDlgItemMessage(hDlg, IDC_PORTS, CB_GETCURSEL, 0, 0); NewConfig.Port = IdToPort(nIndex);
// get the int - drude
for (id = IDC_FIRSTINT; id <= IDC_LASTINT; id++) if (IsDlgButtonChecked(hDlg, id)) { NewConfig.Int = IdToInt(id); break; }
return NewConfig;}
/****************************************************************************
* @doc INTERNAL * * @api int | ConfigDlgProc | Dialog proc for the configuration dialog box. * * @parm HWND | hDlg | Handle to the configuration dialog box. * * @parm WORD | msg | Message sent to the dialog box. * * @parm WORD | wParam | Message dependent parameter. * * @parm LONG | lParam | Message dependent parameter. * * @rdesc Returns DRV_RESTART if the user has changed settings, which will * cause the drivers applet which launched this to give the user a * message about having to restart Windows for the changes to take * effect. If the user clicks on "Cancel" or if no settings have changed, * DRV_CANCEL is returned. ***************************************************************************/int ConfigDlgProc(HWND hDlg, UINT msg, WPARAM wParam, LPARAM lParam){ int id; static MPU_CONFIG StartConfig; /* Initial port */ TCHAR szData[10]; // loadstring data
switch (msg) { case WM_INITDIALOG: StartConfig.Int = ConfigGetIRQ(); StartConfig.Port = ConfigGetPortBase();
// load the list box string - drude
LoadString(ghModule, IDS_200, szData, sizeof(szData)); SendDlgItemMessage(hDlg, IDC_PORTS, CB_ADDSTRING, 0, (LPARAM)(LPTSTR)szData);
LoadString(ghModule, IDS_210, szData, sizeof(szData)); SendDlgItemMessage(hDlg, IDC_PORTS, CB_ADDSTRING, 0, (LPARAM)(LPTSTR)szData);
LoadString(ghModule, IDS_220, szData, sizeof(szData)); SendDlgItemMessage(hDlg, IDC_PORTS, CB_ADDSTRING, 0, (LPARAM)(LPTSTR)szData);
LoadString(ghModule, IDS_230, szData, sizeof(szData)); SendDlgItemMessage(hDlg, IDC_PORTS, CB_ADDSTRING, 0, (LPARAM)(LPTSTR)szData);
LoadString(ghModule, IDS_240, szData, sizeof(szData)); SendDlgItemMessage(hDlg, IDC_PORTS, CB_ADDSTRING, 0, (LPARAM)(LPTSTR)szData);
LoadString(ghModule, IDS_250, szData, sizeof(szData)); SendDlgItemMessage(hDlg, IDC_PORTS, CB_ADDSTRING, 0, (LPARAM)(LPTSTR)szData);
LoadString(ghModule, IDS_260, szData, sizeof(szData)); SendDlgItemMessage(hDlg, IDC_PORTS, CB_ADDSTRING, 0, (LPARAM)(LPTSTR)szData);
LoadString(ghModule, IDS_270, szData, sizeof(szData)); SendDlgItemMessage(hDlg, IDC_PORTS, CB_ADDSTRING, 0, (LPARAM)(LPTSTR)szData);
LoadString(ghModule, IDS_300, szData, sizeof(szData)); SendDlgItemMessage(hDlg, IDC_PORTS, CB_ADDSTRING, 0, (LPARAM)(LPTSTR)szData);
LoadString(ghModule, IDS_310, szData, sizeof(szData)); SendDlgItemMessage(hDlg, IDC_PORTS, CB_ADDSTRING, 0, (LPARAM)(LPTSTR)szData);
LoadString(ghModule, IDS_320, szData, sizeof(szData)); SendDlgItemMessage(hDlg, IDC_PORTS, CB_ADDSTRING, 0, (LPARAM)(LPTSTR)szData);
LoadString(ghModule, IDS_330, szData, sizeof(szData)); SendDlgItemMessage(hDlg, IDC_PORTS, CB_ADDSTRING, 0, (LPARAM)(LPTSTR)szData);
LoadString(ghModule, IDS_340, szData, sizeof(szData)); SendDlgItemMessage(hDlg, IDC_PORTS, CB_ADDSTRING, 0, (LPARAM)(LPTSTR)szData);
LoadString(ghModule, IDS_350, szData, sizeof(szData)); SendDlgItemMessage(hDlg, IDC_PORTS, CB_ADDSTRING, 0, (LPARAM)(LPTSTR)szData);
LoadString(ghModule, IDS_360, szData, sizeof(szData)); SendDlgItemMessage(hDlg, IDC_PORTS, CB_ADDSTRING, 0, (LPARAM)(LPTSTR)szData);
LoadString(ghModule, IDS_370, szData, sizeof(szData)); SendDlgItemMessage(hDlg, IDC_PORTS, CB_ADDSTRING, 0, (LPARAM)(LPTSTR)szData);
// select the proper combo item - drude
if ((id = PortToId(StartConfig.Port)) != -1) SendDlgItemMessage(hDlg, IDC_PORTS, CB_SETCURSEL, id, 0);
if ((id = IntToId(StartConfig.Int)) != -1) CheckRadioButton(hDlg, IDC_FIRSTINT, IDC_LASTINT, id); break;
case WM_COMMAND: switch (LOWORD(wParam)) { case IDOK: Configure(hDlg); break;
case IDCANCEL:
/*
* Restore to state on entry to dialog if we * possibly can */
if (bInstall) { DrvRemoveDriver(&RegAccess); } else {
DrvConfigureDriver(&RegAccess, STR_DRIVERNAME, SoundDriverTypeNormal, SetDriverConfig, &StartConfig); }
EndDialog(hDlg, DRVCNF_CANCEL); break;
case IDC_2: case IDC_3: case IDC_5: case IDC_7: CheckRadioButton(hDlg, IDC_FIRSTINT, IDC_LASTINT, wParam); break;
default: break; } break;
default: return FALSE; }
return TRUE;}
/**************************************************************************
* * Function : Configure * * Arguments : * * NewPort * NewInterrupt * NewChannel * * Description * * The user has selected a (new) configuration. There are a number * of (binary) state varibles to consider : * * 1) Is this a new install? * * 2) Was the driver previously loaded? * * 3) Has the configuration changed? * * 4) If the driver was previously loaded could it be unloaded? * * 5) Could the driver be loaded ? * * Possible actions are : * * a. Try unload * * b. Try reload * * c. Warn user parameters are not accepted by driver * * d. Put up reboot menu * * e. Update registry with new config data * * f. Check version and issue necessary warnings * * Notes : * A - 1 & 2 should not happen * * B - ~2 => 4 irrelevant * * C - configuration change irrelevant for new install * * There's never and point in unloading ! * * If the configuration changes we have to put it in the registry to * test it. * * We must correctly detect the 'not loaded' state via SC manager * * Don't warn them about the version if it's not an install (how * do we know ?) * * * The logic is : * * 1 2 3 4 5 | a b c d e f Comments * ----------|------------------------------------------------------------- * 0 0 0 0 0 | Config not changed, not new so don't load * 0 0 0 0 1 | Config not changed, not new so don't load * 0 0 0 1 0 | B * 0 0 0 1 1 | B * 0 0 1 0 0 | X X X Assume load failed due to config failure * 0 0 1 0 1 | X X Was not loaded, config changed, now loaded OK * 0 0 1 1 0 | B * 0 0 1 1 1 | B * 0 1 0 0 0 | Config not changed, driver loaded so OK * 0 1 0 0 1 | Config not changed, driver loaded so OK * 0 1 0 1 0 | Config not changed, driver loaded so OK * 0 1 0 1 1 | Config not changed, driver loaded so OK * 0 1 1 0 0 | X X Driver was running OK with old config * 0 1 1 0 1 | X X Driver was running OK with old config * 0 1 1 1 0 | X X Driver was running OK with old config * 0 1 1 1 1 | X X Driver was running OK with old config * 1 0 0 0 0 | X X X Assume load failed due to config failure * 1 0 0 0 1 | X X X Good install and load * 1 0 0 1 0 | B * 1 0 0 1 1 | B * 1 0 1 0 0 | C * 1 0 1 0 1 | C * 1 0 1 1 0 | B * 1 0 1 1 1 | B * 1 1 0 0 0 | A * 1 1 0 0 1 | A * 1 1 0 1 0 | A * 1 1 0 1 1 | A * 1 1 1 0 0 | A * 1 1 1 0 1 | A * 1 1 1 1 0 | A * 1 1 1 1 1 | A * **************************************************************************/
void Configure(HWND hDlg) { MPU_CONFIG NewConfig; /* New port and int chosen in config box */ BOOL Success;
/*
* Get the new configuration which the user entered */
NewConfig = GetPortAndInt(hDlg);
/*
* NOTE - even if the configuration has not changed the driver * may now load in some cases - so even in this case try it. * * Put the new config in the registry * * unload the driver if needed (note this may fail but we've * no way of telling whether it was loaded in the first place). * * if the driver is not loaded * * try loading the driver * * if the load failed put up a message * * if the load succeeded put up a warning if we don't like * the version * * if the driver is already loaded ask them if they would like * to reboot (ie return DRVCNF_RESTART (note that if the driver * is currently loaded then changing the config will stop it * working !). * */
/*
* We have a new config - Configure the driver for this configuration */
Success = DrvConfigureDriver(&RegAccess, STR_DRIVERNAME, SoundDriverTypeNormal, SetDriverConfig, &NewConfig); /*
* Find out what we got back */
if (!Success) {
ConfigErrorMsgBox(hDlg, IDS_ERRBADCONFIG);
} else {
/*
* If we're an install then check out the version */
if (bInstall) {
bInstall = FALSE; } EndDialog(hDlg, DRVCNF_RESTART); return; } }
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