void OSS_Reset(void)
{
if (audio_fd >= 0)
{
int value = 0;
Hidd_UnixIO_IOControlFile((HIDD *)unixio, audio_fd, SNDCTL_DSP_RESET, &value, NULL);
}
}
static BOOL get_capabilities(void)
{
if (audio_capabilities) return TRUE;
if (audio_fd < 0) return FALSE;
Hidd_UnixIO_IOControlFile((HIDD *)unixio, audio_fd, SNDCTL_DSP_GETCAPS, &audio_capabilities, NULL);
return TRUE;
}
static BOOL get_supported_fmts(void)
{
if (audio_supported_fmts) return TRUE;
if (audio_fd < 0) return FALSE;
Hidd_UnixIO_IOControlFile((HIDD *)unixio, audio_fd, SNDCTL_DSP_GETFMTS, &audio_supported_fmts, NULL);
return TRUE;
}
BOOL OSS_SetStereo(void)
{
int val = 1;
int retval;
if (audio_fd < 0) return FALSE;
retval = Hidd_UnixIO_IOControlFile((HIDD *)unixio, audio_fd, SNDCTL_DSP_STEREO, &val, NULL);
if ((retval < 0) || (val != 1)) return FALSE;
return TRUE;
}
BOOL OSS_SetTrigger(BOOL input, BOOL output)
{
int val = 0;
int retval;
if (audio_fd < 0) return FALSE;
if (input) val |= PCM_ENABLE_INPUT;
if (output) val |= PCM_ENABLE_OUTPUT;
retval = Hidd_UnixIO_IOControlFile((HIDD *)unixio, audio_fd, SNDCTL_DSP_SETTRIGGER, &val, NULL);
return (retval < 0) ? FALSE : TRUE;
}
BOOL OSS_SetNumChannels(int numchannels)
{
int val = numchannels;
int retval;
if (audio_fd < 0) return FALSE;
retval = Hidd_UnixIO_IOControlFile((HIDD *)unixio, audio_fd, SNDCTL_DSP_CHANNELS, &val, NULL);
if (retval < 0)
{
return (numchannels > 1) ? OSS_SetStereo() : OSS_SetMono();
}
return TRUE;
}
BOOL OSS_SetFragmentSize(int num_fragments, int fragment_size)
{
if (audio_fd >= 0)
{
int value;
int retval;
value = (num_fragments << 16) | fragment_size;
retval = Hidd_UnixIO_IOControlFile((HIDD *)unixio, audio_fd, SNDCTL_DSP_SETFRAGMENT, &value, NULL);
return (retval < 0) ? FALSE : TRUE;
}
else
{
return FALSE;
}
}
BOOL OSS_SetWriteRate(int rate, int *used_rate)
{
int val = rate;
int retval;
if (audio_fd < 0) return FALSE;
retval = Hidd_UnixIO_IOControlFile((HIDD *)unixio, audio_fd, SOUND_PCM_WRITE_RATE, &val, NULL);
if (retval < 0)
{
return FALSE;
}
if (used_rate) *used_rate = val;
return TRUE;
}
static BOOL set_format(int fmt)
{
if (audio_fd >= 0)
{
int val = fmt;
int retval = Hidd_UnixIO_IOControlFile((HIDD *)unixio, audio_fd, SNDCTL_DSP_SETFMT, &val, NULL);
if ((val != fmt) || (retval < 0))
{
return FALSE;
}
return TRUE;
}
else
{
return FALSE;
}
}
BOOL OSS_GetOutputPointer(int *processed_bytes, int *fragment_transitions, int *dmapointer)
{
if (audio_fd >= 0)
{
count_info info;
Hidd_UnixIO_IOControlFile((HIDD *)unixio, audio_fd, SNDCTL_DSP_GETOPTR, &info, NULL);
if (processed_bytes) *processed_bytes = info.bytes;
if (fragment_transitions) *fragment_transitions = info.blocks;
if (dmapointer) *dmapointer = info.ptr;
return TRUE;
}
else
{
return FALSE;
}
}
BOOL OSS_GetOutputInfo(int *num_fragments_available, int *num_fragments_allocated,
int *fragment_size, int *num_bytes_available)
{
if (audio_fd >= 0)
{
audio_buf_info info;
Hidd_UnixIO_IOControlFile((HIDD *)unixio, audio_fd, SNDCTL_DSP_GETOSPACE, &info, NULL);
if (num_fragments_available) *num_fragments_available = info.fragments;
if (num_fragments_allocated) *num_fragments_allocated = info.fragstotal;
if (fragment_size) *fragment_size = info.fragsize;
if (num_bytes_available) *num_bytes_available = info.bytes;
return TRUE;
}
else
{
return FALSE;
}
}
/******* TapUnit::New() ***********************************/
OOP_Object *UXTapUnit__Root__New(OOP_Class *cl, OOP_Object *obj, struct pRoot_New *msg)
{
struct HIDDTapUnitData * data;
static const struct TagItem tags[] = {{ TAG_END, 0}};
struct TagItem *tag, *tstate;
ULONG unitnum = 0;
EnterFunc(bug("TapUnit::New()\n"));
tstate = msg->attrList;
while ((tag = NextTagItem((const struct TagItem **)&tstate))) {
ULONG idx;
if (IS_HIDDTAPUNIT_ATTR(tag->ti_Tag, idx)) {
switch (idx) {
case aoHidd_TapUnit_Unit:
unitnum = (ULONG)tag->ti_Data;
break;
}
}
} /* while (tags to process) */
D(bug("!!!!Request for unit number %d\n",unitnum));
obj = (OOP_Object *)OOP_DoSuperMethod(cl, obj, (OOP_Msg)msg);
if (obj) {
data = OOP_INST_DATA(cl, obj);
data->unitnum = unitnum;
D(bug("Creating network device %s.\n",unitname[data->unitnum]));
data->filedescriptor = unix_open_nonblock("/dev/net/tun");
if (data->filedescriptor < 0)
data->filedescriptor = unix_open_nonblock("/dev/tap");
D(bug("Opened %s on handle %d\n",unitname[data->unitnum], data->filedescriptor));
if (-1 != data->filedescriptor) {
struct ifreq ifr;
memset(&ifr, 0, sizeof(ifr));
ifr.ifr_flags = IFF_TAP | IFF_NO_PI;
strncpy(ifr.ifr_name, unitname[data->unitnum], IFNAMSIZ);
/*
** Configure the tty driver ?!?!?!
*/
{
data->replyport_read = AllocMem(sizeof(struct MsgPort), MEMF_PUBLIC|MEMF_CLEAR);
data->replyport_write= AllocMem(sizeof(struct MsgPort), MEMF_PUBLIC|MEMF_CLEAR);
if (data->replyport_read && data->replyport_write) {
/*
** Init the msg ports. They don't need a signal to be allocated
*/
NEWLIST(&data->replyport_read->mp_MsgList);
data->replyport_read ->mp_Node.ln_Type = NT_MSGPORT;
NEWLIST(&data->replyport_write->mp_MsgList);
data->replyport_write->mp_Node.ln_Type = NT_MSGPORT;
data->softint_read = AllocMem(sizeof(struct Interrupt), MEMF_CLEAR);
data->softint_write = AllocMem(sizeof(struct Interrupt), MEMF_CLEAR);
if (data->softint_read && data->softint_write) {
data->softint_read->is_Data = data;
data->softint_read->is_Code = tapunit_receive_data;
data->softint_write->is_Data = data;
data->softint_write->is_Code = tapunit_write_more_data;
data->replyport_read->mp_Flags = PA_SOFTINT;
data->replyport_read->mp_SoftInt = data->softint_read;
data->replyport_write->mp_Flags = PA_SOFTINT;
data->replyport_write->mp_SoftInt = data->softint_write;
data->unixio_read = OOP_NewObject(NULL, CLID_Hidd_UnixIO, (struct TagItem *)tags);
data->unixio_write = OOP_NewObject(NULL, CLID_Hidd_UnixIO, (struct TagItem *)tags);
if (NULL != data->unixio_read && NULL != data->unixio_write)
{
Hidd_UnixIO_IOControlFile(data->unixio_read,
data->filedescriptor,
TUNSETIFF,
&ifr,
NULL);
ULONG error;
D(bug("Creating UnixIO AsyncIO command!\n"));
error = Hidd_UnixIO_AsyncIO(data->unixio_read,
data->filedescriptor,
vHidd_UnixIO_Terminal,
data->replyport_read,
vHidd_UnixIO_Read | vHidd_UnixIO_Keep,
SysBase);
error = Hidd_UnixIO_AsyncIO(data->unixio_write,
data->filedescriptor,
vHidd_UnixIO_Terminal,
data->replyport_write,
vHidd_UnixIO_Write | vHidd_UnixIO_Keep,
SysBase);
goto exit;
}
if (NULL != data->unixio_read)
OOP_DisposeObject(data->unixio_read);
if (NULL != data->unixio_write)
OOP_DisposeObject(data->unixio_write);
}
if (data->softint_read)
FreeMem(data->softint_read, sizeof(struct Interrupt));
if (data->softint_write)
FreeMem(data->softint_write, sizeof(struct Interrupt));
}
if (data->replyport_read)
FreeMem(data->replyport_read , sizeof(struct MsgPort));
if (data->replyport_write)
FreeMem(data->replyport_write, sizeof(struct MsgPort));
}
close(data->filedescriptor);
}
OOP_DisposeObject(obj);
obj = NULL;
} /* if (obj) */
D(bug("%s - an error occurred!\n",__FUNCTION__));
exit:
ReturnPtr("TapUnit::New()", OOP_Object *, obj);
}