2081 dsp_oss_audioinfo_unavail(oss_audioinfo *ai, int unit)  in dsp_oss_audioinfo_unavail()  argument
2083 	bzero(ai, sizeof(*ai));  in dsp_oss_audioinfo_unavail()
2084 	ai->dev = unit;  in dsp_oss_audioinfo_unavail()
2085 	snprintf(ai->name, sizeof(ai->name), "pcm%d (unavailable)", unit);  in dsp_oss_audioinfo_unavail()
2086 	ai->pid = -1;  in dsp_oss_audioinfo_unavail()
2087 	strlcpy(ai->cmd, CHN_COMM_UNUSED, sizeof(ai->cmd));  in dsp_oss_audioinfo_unavail()
2088 	ai->card_number = unit;  in dsp_oss_audioinfo_unavail()
2089 	ai->port_number = unit;  in dsp_oss_audioinfo_unavail()
2090 	ai->mixer_dev = -1;  in dsp_oss_audioinfo_unavail()
2091 	ai->legacy_device = unit;  in dsp_oss_audioinfo_unavail()
2097  * Gathers information about the audio device specified in ai->dev.  If
2098  * ai->dev == -1, then this function gathers information about the current
2099  * device.  If the call comes in on a non-audio device and ai->dev == -1,
2110  * @param ai		ioctl request data container
2115  * @retval EINVAL	ai->dev specifies an invalid device
2118 dsp_oss_audioinfo(struct cdev *i_dev, oss_audioinfo *ai, bool ex)  in dsp_oss_audioinfo()  argument
2131 	if (ai->dev == -1 && i_dev->si_devsw != &dsp_cdevsw)  in dsp_oss_audioinfo()
2139 			if ((ai->dev == -1 && unit == snd_unit) ||  in dsp_oss_audioinfo()
2140 			    ai->dev == unit) {  in dsp_oss_audioinfo()
2141 				dsp_oss_audioinfo_unavail(ai, unit);  in dsp_oss_audioinfo()
2152 		if ((ai->dev == -1 && d->dsp_dev == i_dev) ||  in dsp_oss_audioinfo()
2153 		    (ai->dev == unit)) {  in dsp_oss_audioinfo()
2172 	bzero((void *)ai, sizeof(oss_audioinfo));  in dsp_oss_audioinfo()
2173 	ai->dev = unit;  in dsp_oss_audioinfo()
2174 	strlcpy(ai->name, device_get_desc(d->dev), sizeof(ai->name));  in dsp_oss_audioinfo()
2175 	ai->pid = -1;  in dsp_oss_audioinfo()
2176 	strlcpy(ai->cmd, CHN_COMM_UNKNOWN, sizeof(ai->cmd));  in dsp_oss_audioinfo()
2177 	ai->card_number = unit;  in dsp_oss_audioinfo()
2178 	ai->port_number = unit;  in dsp_oss_audioinfo()
2179 	ai->mixer_dev = (d->mixer_dev != NULL) ? unit : -1;  in dsp_oss_audioinfo()
2180 	ai->legacy_device = unit;  in dsp_oss_audioinfo()
2181 	snprintf(ai->devnode, sizeof(ai->devnode), "/dev/dsp%d", unit);  in dsp_oss_audioinfo()
2182 	ai->enabled = device_is_attached(d->dev) ? 1 : 0;  in dsp_oss_audioinfo()
2183 	ai->next_play_engine = 0;  in dsp_oss_audioinfo()
2184 	ai->next_rec_engine = 0;  in dsp_oss_audioinfo()
2185 	ai->busy = 0;  in dsp_oss_audioinfo()
2186 	ai->caps = PCM_CAP_REALTIME | PCM_CAP_MMAP | PCM_CAP_TRIGGER;  in dsp_oss_audioinfo()
2187 	ai->iformats = 0;  in dsp_oss_audioinfo()
2188 	ai->oformats = 0;  in dsp_oss_audioinfo()
2189 	ai->min_rate = INT_MAX;  in dsp_oss_audioinfo()
2190 	ai->max_rate = 0;  in dsp_oss_audioinfo()
2191 	ai->min_channels = INT_MAX;  in dsp_oss_audioinfo()
2192 	ai->max_channels = 0;  in dsp_oss_audioinfo()
2214 			ai->busy |= (ch->direction == PCMDIR_PLAY) ?  in dsp_oss_audioinfo()
2218 		ai->caps |=  in dsp_oss_audioinfo()
2235 			ai->oformats |= fmts;  in dsp_oss_audioinfo()
2237 			ai->iformats |= fmts;  in dsp_oss_audioinfo()
2240 			ai->min_rate = min(ai->min_rate, caps->minspeed);  in dsp_oss_audioinfo()
2241 			ai->max_rate = max(ai->max_rate, caps->maxspeed);  in dsp_oss_audioinfo()
2243 			ai->min_rate = min(ai->min_rate, feeder_rate_min);  in dsp_oss_audioinfo()
2244 			ai->max_rate = max(ai->max_rate, feeder_rate_max);  in dsp_oss_audioinfo()
2246 		ai->min_channels = min(ai->min_channels, minch);  in dsp_oss_audioinfo()
2247 		ai->max_channels = max(ai->max_channels, maxch);  in dsp_oss_audioinfo()
2251 	if (ai->min_rate == INT_MAX)  in dsp_oss_audioinfo()
2252 		ai->min_rate = 0;  in dsp_oss_audioinfo()
2253 	if (ai->min_channels == INT_MAX)  in dsp_oss_audioinfo()
2254 		ai->min_channels = 0;  in dsp_oss_audioinfo()
2276  * Gathers information about the audio device's engine specified in ai->dev.
2277  * If ai->dev == -1, then this function gathers information about the current
2278  * device.  If the call comes in on a non-audio device and ai->dev == -1,
2289  * @param ai		ioctl request data container
2292  * @retval EINVAL	ai->dev specifies an invalid device
2295 dsp_oss_engineinfo(struct cdev *i_dev, oss_audioinfo *ai)  in dsp_oss_engineinfo()  argument
2308 	if (ai->dev == -1 && i_dev->si_devsw != &dsp_cdevsw)  in dsp_oss_engineinfo()
2334 			if ((ai->dev == -1 && devfs_foreach_cdevpriv(  in dsp_oss_engineinfo()
2336 			    ai->dev == nchan)  in dsp_oss_engineinfo()
2361 		bzero((void *)ai, sizeof(oss_audioinfo));  in dsp_oss_engineinfo()
2363 		ai->dev = nchan;  in dsp_oss_engineinfo()
2364 		strlcpy(ai->name, ch->name,  sizeof(ai->name));  in dsp_oss_engineinfo()
2367 			ai->busy = 0;  in dsp_oss_engineinfo()
2369 			ai->busy = (ch->direction == PCMDIR_PLAY) ? OPEN_WRITE : OPEN_READ;  in dsp_oss_engineinfo()
2371 		ai->pid = ch->pid;  in dsp_oss_engineinfo()
2372 		strlcpy(ai->cmd, ch->comm, sizeof(ai->cmd));  in dsp_oss_engineinfo()
2383 		ai->caps = PCM_CAP_REALTIME | PCM_CAP_MMAP | PCM_CAP_TRIGGER |  in dsp_oss_engineinfo()
2401 			ai->oformats = fmts;  in dsp_oss_engineinfo()
2403 			ai->iformats = fmts;  in dsp_oss_engineinfo()
2417 		ai->card_number = unit;  in dsp_oss_engineinfo()
2424 		ai->port_number = unit;  in dsp_oss_engineinfo()
2425 		ai->mixer_dev = (d->mixer_dev != NULL) ? unit : -1;  in dsp_oss_engineinfo()
2430 		ai->legacy_device = unit;  in dsp_oss_engineinfo()
2431 		snprintf(ai->devnode, sizeof(ai->devnode), "/dev/dsp%d", unit);  in dsp_oss_engineinfo()
2432 		ai->enabled = device_is_attached(d->dev) ? 1 : 0;  in dsp_oss_engineinfo()
2446 			ai->min_rate = caps->minspeed;  in dsp_oss_engineinfo()
2447 			ai->max_rate = caps->maxspeed;  in dsp_oss_engineinfo()
2449 			ai->min_rate = feeder_rate_min;  in dsp_oss_engineinfo()
2450 			ai->max_rate = feeder_rate_max;  in dsp_oss_engineinfo()
2453 		ai->min_channels = minch;  in dsp_oss_engineinfo()
2454 		ai->max_channels = maxch;  in dsp_oss_engineinfo()
2456 		ai->nrates = chn_getrates(ch, &rates);  in dsp_oss_engineinfo()
2457 		if (ai->nrates > OSS_MAX_SAMPLE_RATES)  in dsp_oss_engineinfo()
2458 			ai->nrates = OSS_MAX_SAMPLE_RATES;  in dsp_oss_engineinfo()
2460 		for (i = 0; i < ai->nrates; i++)  in dsp_oss_engineinfo()
2461 			ai->rates[i] = rates[i];  in dsp_oss_engineinfo()
2463 		ai->next_play_engine = 0;  in dsp_oss_engineinfo()
2464 		ai->next_rec_engine = 0;  in dsp_oss_engineinfo()