static int MIXCOM_exit(struct net_device *dev)
{
struct comx_channel *ch = dev->priv;
struct mixcom_privdata *hw = ch->HW_privdata;
if(hw->channel==0 && TWIN(dev)) {
return -EBUSY;
}
if(hw->channel==1 && TWIN(dev)) {
TWIN(TWIN(dev))=NULL;
}
kfree(ch->HW_privdata);
remove_proc_entry(FILENAME_IO, ch->procdir);
remove_proc_entry(FILENAME_IRQ, ch->procdir);
#if 0
remove_proc_entry(FILENAME_CLOCK, ch->procdir);
#endif
remove_proc_entry(FILENAME_CHANNEL, ch->procdir);
remove_proc_entry(FILENAME_TWIN, ch->procdir);
MOD_DEC_USE_COUNT;
return 0;
}
static struct net_device *mixcom_twin_check(struct net_device *dev)
{
struct comx_channel *ch = dev->priv;
struct proc_dir_entry *procfile = ch->procdir->parent->subdir;
struct mixcom_privdata *hw = ch->HW_privdata;
struct net_device *twin;
struct comx_channel *ch_twin;
struct mixcom_privdata *hw_twin;
for ( ; procfile ; procfile = procfile->next) {
if(!S_ISDIR(procfile->mode)) continue;
twin = procfile->data;
ch_twin = twin->priv;
hw_twin = ch_twin->HW_privdata;
if (twin != dev && dev->irq && dev->base_addr &&
dev->irq == twin->irq &&
ch->hardware == ch_twin->hardware &&
dev->base_addr == twin->base_addr +
(1-2*hw->channel)*MIXCOM_CHANNEL_OFFSET &&
hw->channel == (1 - hw_twin->channel)) {
if (!TWIN(twin) || TWIN(twin)==dev) {
return twin;
}
}
}
return NULL;
}
int WINAPI WinMain(HINSTANCE hInstance,HINSTANCE hParent,LPSTR CmdA,int CmdShow)
{
WCHAR Cmd[2048];
mbstowcs(Cmd,CmdA,sizeof(Cmd)/sizeof(WCHAR)); //!!!
#else
int WINAPI WinMain(HINSTANCE hInstance,HINSTANCE hParent,TCHAR* Cmd,int CmdShow)
{
#endif
#ifndef NDEBUG
// DLLTest(); // just to help debugging plugins. comment out if not needed
Context();
#endif
#if defined(TARGET_WINCE) && defined(ARM)
if (ProgramId == 2)
{
OSVERSIONINFO Ver;
Ver.dwOSVersionInfoSize = sizeof(Ver);
GetVersionEx(&Ver);
if (Ver.dwMajorVersion*100 + Ver.dwMinorVersion >= 421)
{
// old shell menu not supported after WM2003SE
MessageBox(NULL,T("This ARM_CE3 version of the player is not compatible with this device. Please install ARM_CE3 version."),NULL,MB_OK|MB_ICONERROR);
return 1;
}
}
#endif
#ifdef NDEBUG
if (!FindRunning(Cmd))
{
HANDLE Handle = CreateMutex(NULL,FALSE,ProgramName);
if (GetLastError() != ERROR_ALREADY_EXISTS)
#endif
{
#ifndef NO_PLUGINS
HMODULE Module;
SetCursor(LoadCursor(NULL, IDC_WAIT));
Module = Load(T("interface.plg"));
if (Module)
{
void (*Main)(const tchar_t* Name,const tchar_t* Version,int Id,const tchar_t* CmdLine);
*(FARPROC*)&Main = GetProcAddress(Module,TWIN("Main"));
if (!Main)
*(FARPROC*)&Main = GetProcAddress(Module,TWIN("_Main@16"));
if (Main)
Main(ProgramName,ProgramVersion,ProgramId,Cmd);
FreeLibrary(Module);
}
#else
Main(ProgramName,ProgramVersion,ProgramId,Cmd);
#endif
#ifdef NDEBUG
CloseHandle(Handle);
#endif
SetCursor(LoadCursor(NULL, IDC_ARROW));
}
#ifdef NDEBUG
}
#endif
return 0;
}
static void setup_twin(struct net_device* dev)
{
if(TWIN(dev) && TWIN(TWIN(dev))) {
TWIN(TWIN(dev))=NULL;
}
if ((TWIN(dev) = mixcom_twin_check(dev)) != NULL) {
if (TWIN(TWIN(dev)) && TWIN(TWIN(dev)) != dev) {
TWIN(dev)=NULL;
} else {
TWIN(TWIN(dev))=dev;
}
}
}
static int MIXCOM_close(struct net_device *dev)
{
struct comx_channel *ch = dev->priv;
struct mixcom_privdata *hw = ch->HW_privdata;
struct proc_dir_entry *procfile = ch->procdir->subdir;
unsigned long flags;
save_flags(flags); cli();
mixcom_off(dev);
/* This is channel 0, twin is not open, we can safely turn off everything */
if(hw->channel==0 && (!(TWIN(dev)) ||
!(COMX_CHANNEL(TWIN(dev))->init_status & HW_OPEN))) {
mixcom_board_off(dev);
free_irq(dev->irq, dev);
release_region(dev->base_addr, MIXCOM_IO_EXTENT);
ch->init_status &= ~IRQ_ALLOCATED;
}
/* This is channel 1, channel 0 has already been shutdown, we can release
this one too */
if(hw->channel==1 && !(COMX_CHANNEL(TWIN(dev))->init_status & HW_OPEN)) {
if(COMX_CHANNEL(TWIN(dev))->init_status & IRQ_ALLOCATED) {
mixcom_board_off(TWIN(dev));
free_irq(TWIN(dev)->irq, TWIN(dev));
release_region(TWIN(dev)->base_addr, MIXCOM_IO_EXTENT);
COMX_CHANNEL(TWIN(dev))->init_status &= ~IRQ_ALLOCATED;
}
}
/* the ioports for channel 1 can be safely released */
if(hw->channel==1) {
release_region(dev->base_addr, MIXCOM_IO_EXTENT);
}
restore_flags(flags);
/* If we don't hold any hardware open */
if(!(ch->init_status & IRQ_ALLOCATED)) {
for (; procfile ; procfile = procfile->next) {
if (strcmp(procfile->name, FILENAME_IO) == 0 ||
strcmp(procfile->name, FILENAME_CHANNEL) == 0 ||
strcmp(procfile->name, FILENAME_CLOCK) == 0 ||
strcmp(procfile->name, FILENAME_IRQ) == 0) {
procfile->mode = S_IFREG | 0644;
}
}
}
/* channel 0 was only waiting for us to close channel 1
close it completely */
if(hw->channel==1 && !(COMX_CHANNEL(TWIN(dev))->init_status & HW_OPEN)) {
for (procfile=COMX_CHANNEL(TWIN(dev))->procdir->subdir;
procfile ; procfile = procfile->next) {
if (strcmp(procfile->name, FILENAME_IO) == 0 ||
strcmp(procfile->name, FILENAME_CHANNEL) == 0 ||
strcmp(procfile->name, FILENAME_CLOCK) == 0 ||
strcmp(procfile->name, FILENAME_IRQ) == 0) {
procfile->mode = S_IFREG | 0644;
}
}
}
ch->init_status &= ~HW_OPEN;
return 0;
}
static int MIXCOM_open(struct net_device *dev)
{
struct comx_channel *ch = dev->priv;
struct mixcom_privdata *hw = ch->HW_privdata;
struct proc_dir_entry *procfile = ch->procdir->subdir;
unsigned long flags;
int ret = -ENODEV;
if (!dev->base_addr || !dev->irq)
goto err_ret;
if(hw->channel==1) {
if(!TWIN(dev) || !(COMX_CHANNEL(TWIN(dev))->init_status &
IRQ_ALLOCATED)) {
printk(KERN_ERR "%s: channel 0 not yet initialized\n",dev->name);
ret = -EAGAIN;
goto err_ret;
}
}
/* Is our hw present at all ? Not checking for channel 0 if it is already
open */
if(hw->channel!=0 || !(ch->init_status & IRQ_ALLOCATED)) {
if (!request_region(dev->base_addr, MIXCOM_IO_EXTENT, dev->name)) {
ret = -EAGAIN;
goto err_ret;
}
if (mixcom_probe(dev)) {
ret = -ENODEV;
goto err_release_region;
}
}
if(hw->channel==0 && !(ch->init_status & IRQ_ALLOCATED)) {
if (request_irq(dev->irq, MIXCOM_interrupt, 0,
dev->name, (void *)dev)) {
printk(KERN_ERR "MIXCOM: unable to obtain irq %d\n", dev->irq);
ret = -EAGAIN;
goto err_release_region;
}
}
save_flags(flags); cli();
if(hw->channel==0 && !(ch->init_status & IRQ_ALLOCATED)) {
ch->init_status|=IRQ_ALLOCATED;
mixcom_board_on(dev);
}
mixcom_on(dev);
hw->status=inb(MIXCOM_BOARD_BASE(dev) + MIXCOM_STATUS_OFFSET);
if(hw->status != 0xff) {
printk(KERN_DEBUG "%s: board has status register, good\n", dev->name);
hw->card_has_status=1;
}
hw->txbusy = 0;
ch->init_status |= HW_OPEN;
if (rd_hscx(dev, HSCX_STAR) & HSCX_CTS) {
ch->line_status |= LINE_UP;
} else {
ch->line_status &= ~LINE_UP;
}
restore_flags(flags);
ch->LINE_status(dev, ch->line_status);
for (; procfile ; procfile = procfile->next) {
if (strcmp(procfile->name, FILENAME_IO) == 0 ||
strcmp(procfile->name, FILENAME_CHANNEL) == 0 ||
strcmp(procfile->name, FILENAME_CLOCK) == 0 ||
strcmp(procfile->name, FILENAME_IRQ) == 0) {
procfile->mode = S_IFREG | 0444;
}
}
return 0;
err_restore_flags:
restore_flags(flags);
err_release_region:
release_region(dev->base_addr, MIXCOM_IO_EXTENT);
err_ret:
return ret;
}
