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/*
* Purpose: Solaris 9 compatible version of sadasupport_open/close
*/
/*
*
* This file is part of Open Sound System.
*
* Copyright (C) 4Front Technologies 1996-2008.
*
* This this source file is released under GPL v2 license (no other versions).
* See the COPYING file included in the main directory of this source
* distribution for the license terms and conditions.
*
*/
static int
sadasupport_open (queue_t * q, dev_t * devp, int flag, int sflag,
cred_t * credp)
{
int retval, i;
int tmpdev;
int dev = *devp;
char *cmd;
unsigned int bl_flags = 0;
int oss_mode = 0;
#ifndef SOL9
extern void oss_forceload_drivers (int dev, cred_t * cred_p);
#endif
DDB (cmn_err
(CE_CONT, "sadasupport_open(q=%x, dev=%x, flag=%x, sflag=%x)\n", q,
dev, flag, sflag));
cmd = oss_get_procname ();
DDB (cmn_err (CE_CONT, "Command %s\n", cmd));
if (devc == NULL)
return EIO;
oss_mode = OPEN_READWRITE;
mutex_enter (&devc->inst_lock);
if (devc->audio_busy++ == 0)
{
mutex_exit (&devc->inst_lock);
tmp_file.acc_flags = 0;
tmp_file.mode = oss_mode;
tmpdev = 0;
devc->audio_mode = tmp_file.mode;
#if 0
DDB (cmn_err (CE_CONT, "Opening OSS audio device file %d (mode=%x)\n",
devc->masterdev, tmp_file.mode));
if (devc->masterdev >= 0 && devc->masterdev < num_audio_devfiles)
#endif
{
/* Open /dev/dsp# */
tmp_file.mode = oss_mode = OPEN_READ | OPEN_WRITE;
if ((retval =
oss_audio_open_devfile (0, OSS_DEV_DSP,
&tmp_file, 1, OF_DEVAUDIO,
&tmpdev)) < 0)
{
mutex_enter (&devc->inst_lock);
devc->audio_busy = 0;
mutex_exit (&devc->inst_lock);
return -retval;
}
}
#if 0
else
{
/* Open /dev/dsp */
if ((retval =
oss_open_vdsp (0, OSS_DEV_VDSP, &tmp_file, 1, OF_DEVAUDIO,
&tmpdev)) < 0)
{
mutex_enter (&devc->inst_lock);
devc->audio_busy = 0;
mutex_exit (&devc->inst_lock);
return -retval;
}
}
#endif
DDB (cmn_err
(CE_CONT, "Opened OSS audio engine %d, minor=%d\n", retval,
tmpdev));
devc->oss_audiodev = retval;
if (tmp_file.mode & OPEN_READ)
audio_engines[retval]->dmap_in->audio_callback = input_callback;
if (tmp_file.mode & OPEN_WRITE)
audio_engines[retval]->dmap_out->audio_callback = output_callback;
strcpy (audio_engines[retval]->cmd, "SADA");
strcpy (audio_engines[retval]->label, "SADA");
audio_engines[retval]->pid = 0;
if ((retval = setup_device (devc)) != AUDIO_SUCCESS)
{
cmn_err (CE_NOTE, "setup_device failed\n");
mutex_enter (&devc->inst_lock);
if (--devc->audio_busy == 0)
{
mutex_exit (&devc->inst_lock);
oss_audio_release (devc->oss_audiodev, &tmp_file);
}
else
mutex_exit (&devc->inst_lock);
return EIO;
}
}
else
{
if (oss_mode & ~devc->audio_mode)
{
cmn_err (CE_NOTE, "Conflicting access modes\n");
if (--devc->audio_busy == 0)
{
mutex_exit (&devc->inst_lock);
oss_audio_release (devc->oss_audiodev, &tmp_file);
return EBUSY;
}
mutex_exit (&devc->inst_lock);
return EBUSY;
}
mutex_exit (&devc->inst_lock);
}
DDB (cmn_err (CE_CONT, "Open count %d\n", devc->audio_busy));
DDB (cmn_err
(CE_CONT, "audio_sup_open(q=%x, dev=%x, flag=%x, sflag=%x)\n", q, dev,
flag, sflag));
if ((retval = audio_sup_open (q, devp, flag, sflag, credp)) != 0)
{
cmn_err (CE_NOTE, "audio_sup_open() returned %d\n", retval);
mutex_enter (&devc->inst_lock);
if (--devc->audio_busy == 0)
{
mutex_exit (&devc->inst_lock);
oss_audio_release (devc->oss_audiodev, &tmp_file);
}
else
mutex_exit (&devc->inst_lock);
}
return retval;
}
static int
sadasupport_close (queue_t * q, int flag, cred_t * credp)
{
int retval, count;
DDB (cmn_err (CE_CONT, "sadasupport_close(q=%x, flag=%x)\n", q, flag));
if (!devc->audio_busy)
cmn_err (CE_WARN, "Close while not busy.\n");
retval = audio_sup_close (q, flag, credp);
mutex_enter (&devc->inst_lock);
count = --devc->audio_busy;
mutex_exit (&devc->inst_lock);
DDB (cmn_err (CE_CONT, "Open count (close) %d\n", count));
if (count == 0)
{
DDB (cmn_err
(CE_CONT, "Closing OSS audiodev %d\n", devc->oss_audiodev));
oss_audio_release (devc->oss_audiodev, &tmp_file);
devc->audio_mode = 0;
}
return retval;
}
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