C++ (Cpp) snd_opl3_reset Beispiele

Beispiel #1

Datei: opl3_synth.c Projekt: CSCLOG/beaglebone

/*
 * close the device
 */
int snd_opl3_release(struct snd_hwdep * hw, struct file *file)
{
    struct snd_opl3 *opl3 = hw->private_data;

    snd_opl3_reset(opl3);
    return 0;
}

Beispiel #2

Datei: opl3_seq.c Projekt: 3sOx/asuswrt-merlin

int snd_opl3_synth_setup(struct snd_opl3 * opl3)
{
	int idx;

	mutex_lock(&opl3->access_mutex);
	if (opl3->used) {
		mutex_unlock(&opl3->access_mutex);
		return -EBUSY;
	}
	opl3->used++;
	mutex_unlock(&opl3->access_mutex);

	snd_opl3_reset(opl3);

	for (idx = 0; idx < MAX_OPL3_VOICES; idx++) {
		opl3->voices[idx].state = SNDRV_OPL3_ST_OFF;
		opl3->voices[idx].time = 0;
		opl3->voices[idx].keyon_reg = 0x00;
	}
	opl3->use_time = 0;
	opl3->connection_reg = 0x00;
	if (opl3->hardware >= OPL3_HW_OPL3) {
		/* Clear 4-op connections */
		opl3->command(opl3, OPL3_RIGHT | OPL3_REG_CONNECTION_SELECT,
				 opl3->connection_reg);
		opl3->max_voices = MAX_OPL3_VOICES;
	}
	return 0;
}

Beispiel #3

Datei: opl3_seq.c Projekt: 3sOx/asuswrt-merlin

void snd_opl3_synth_cleanup(struct snd_opl3 * opl3)
{
	unsigned long flags;

	/* Stop system timer */
	spin_lock_irqsave(&opl3->sys_timer_lock, flags);
	if (opl3->sys_timer_status) {
		del_timer(&opl3->tlist);
		opl3->sys_timer_status = 0;
	}
	spin_unlock_irqrestore(&opl3->sys_timer_lock, flags);

	snd_opl3_reset(opl3);
	mutex_lock(&opl3->access_mutex);
	opl3->used--;
	mutex_unlock(&opl3->access_mutex);
}

Beispiel #4

Datei: opl3_seq.c Projekt: mdamt/linux

void snd_opl3_synth_cleanup(struct snd_opl3 * opl3)
{
	unsigned long flags;
	struct snd_hwdep *hwdep;

	/* Stop system timer */
	spin_lock_irqsave(&opl3->sys_timer_lock, flags);
	if (opl3->sys_timer_status) {
		del_timer(&opl3->tlist);
		opl3->sys_timer_status = 0;
	}
	spin_unlock_irqrestore(&opl3->sys_timer_lock, flags);

	snd_opl3_reset(opl3);
	hwdep = opl3->hwdep;
	mutex_lock(&hwdep->open_mutex);
	hwdep->used--;
	mutex_unlock(&hwdep->open_mutex);
	wake_up(&hwdep->open_wait);
}

Beispiel #5

Datei: opl3_synth.c Projekt: CSCLOG/beaglebone

/*
 * ioctl for hwdep device:
 */
int snd_opl3_ioctl(struct snd_hwdep * hw, struct file *file,
                   unsigned int cmd, unsigned long arg)
{
    struct snd_opl3 *opl3 = hw->private_data;
    void __user *argp = (void __user *)arg;

    if (snd_BUG_ON(!opl3))
        return -EINVAL;

    switch (cmd) {
    /* get information */
    case SNDRV_DM_FM_IOCTL_INFO:
    {
        struct snd_dm_fm_info info;

        info.fm_mode = opl3->fm_mode;
        info.rhythm = opl3->rhythm;
        if (copy_to_user(argp, &info, sizeof(struct snd_dm_fm_info)))
            return -EFAULT;
        return 0;
    }

    case SNDRV_DM_FM_IOCTL_RESET:
#ifdef CONFIG_SND_OSSEMUL
    case SNDRV_DM_FM_OSS_IOCTL_RESET:
#endif
        snd_opl3_reset(opl3);
        return 0;

    case SNDRV_DM_FM_IOCTL_PLAY_NOTE:
#ifdef CONFIG_SND_OSSEMUL
    case SNDRV_DM_FM_OSS_IOCTL_PLAY_NOTE:
#endif
    {
        struct snd_dm_fm_note note;
        if (copy_from_user(&note, argp, sizeof(struct snd_dm_fm_note)))
            return -EFAULT;
        return snd_opl3_play_note(opl3, &note);
    }

    case SNDRV_DM_FM_IOCTL_SET_VOICE:
#ifdef CONFIG_SND_OSSEMUL
    case SNDRV_DM_FM_OSS_IOCTL_SET_VOICE:
#endif
    {
        struct snd_dm_fm_voice voice;
        if (copy_from_user(&voice, argp, sizeof(struct snd_dm_fm_voice)))
            return -EFAULT;
        return snd_opl3_set_voice(opl3, &voice);
    }

    case SNDRV_DM_FM_IOCTL_SET_PARAMS:
#ifdef CONFIG_SND_OSSEMUL
    case SNDRV_DM_FM_OSS_IOCTL_SET_PARAMS:
#endif
    {
        struct snd_dm_fm_params params;
        if (copy_from_user(&params, argp, sizeof(struct snd_dm_fm_params)))
            return -EFAULT;
        return snd_opl3_set_params(opl3, &params);
    }

    case SNDRV_DM_FM_IOCTL_SET_MODE:
#ifdef CONFIG_SND_OSSEMUL
    case SNDRV_DM_FM_OSS_IOCTL_SET_MODE:
#endif
        return snd_opl3_set_mode(opl3, (int) arg);

    case SNDRV_DM_FM_IOCTL_SET_CONNECTION:
#ifdef CONFIG_SND_OSSEMUL
    case SNDRV_DM_FM_OSS_IOCTL_SET_OPL:
#endif
        return snd_opl3_set_connection(opl3, (int) arg);

#ifdef OPL3_SUPPORT_SYNTH
    case SNDRV_DM_FM_IOCTL_CLEAR_PATCHES:
        snd_opl3_clear_patches(opl3);
        return 0;
#endif

#ifdef CONFIG_SND_DEBUG
    default:
        snd_printk(KERN_WARNING "unknown IOCTL: 0x%x\n", cmd);
#endif
    }
    return -ENOTTY;
}