541 	struct snd_pcm_runtime *runtime = substream->runtime;  in snd_pcm_oss_plugin_clear()  local
544 	plugin = runtime->oss.plugin_first;  in snd_pcm_oss_plugin_clear()
550 	runtime->oss.plugin_first = runtime->oss.plugin_last = NULL;  in snd_pcm_oss_plugin_clear()
556 	struct snd_pcm_runtime *runtime = plugin->plug->runtime;  in snd_pcm_plugin_insert()  local
557 	plugin->next = runtime->oss.plugin_first;  in snd_pcm_plugin_insert()
559 	if (runtime->oss.plugin_first) {  in snd_pcm_plugin_insert()
560 		runtime->oss.plugin_first->prev = plugin;  in snd_pcm_plugin_insert()
561 		runtime->oss.plugin_first = plugin;  in snd_pcm_plugin_insert()
563 		runtime->oss.plugin_last =  in snd_pcm_plugin_insert()
564 		runtime->oss.plugin_first = plugin;  in snd_pcm_plugin_insert()
571 	struct snd_pcm_runtime *runtime = plugin->plug->runtime;  in snd_pcm_plugin_append()  local
573 	plugin->prev = runtime->oss.plugin_last;  in snd_pcm_plugin_append()
574 	if (runtime->oss.plugin_last) {  in snd_pcm_plugin_append()
575 		runtime->oss.plugin_last->next = plugin;  in snd_pcm_plugin_append()
576 		runtime->oss.plugin_last = plugin;  in snd_pcm_plugin_append()
578 		runtime->oss.plugin_last =  in snd_pcm_plugin_append()
579 		runtime->oss.plugin_first = plugin;  in snd_pcm_plugin_append()
587 	struct snd_pcm_runtime *runtime = substream->runtime;  in snd_pcm_oss_bytes()  local
589 	long bytes = frames_to_bytes(runtime, frames);  in snd_pcm_oss_bytes()
590 	if (buffer_size == runtime->oss.buffer_bytes)  in snd_pcm_oss_bytes()
593 	return runtime->oss.buffer_bytes * bytes / buffer_size;  in snd_pcm_oss_bytes()
596 		u64 bsize = (u64)runtime->oss.buffer_bytes * (u64)bytes;  in snd_pcm_oss_bytes()
604 	struct snd_pcm_runtime *runtime = substream->runtime;  in snd_pcm_alsa_frames()  local
606 	if (buffer_size == runtime->oss.buffer_bytes)  in snd_pcm_alsa_frames()
607 		return bytes_to_frames(runtime, bytes);  in snd_pcm_alsa_frames()
608 	return bytes_to_frames(runtime, (buffer_size * bytes) / runtime->oss.buffer_bytes);  in snd_pcm_alsa_frames()
612 snd_pcm_uframes_t get_hw_ptr_period(struct snd_pcm_runtime *runtime)  in get_hw_ptr_period()  argument
614 	return runtime->hw_ptr_interrupt;  in get_hw_ptr_period()
688 	struct snd_pcm_runtime *runtime = substream->runtime;  in snd_pcm_oss_period_size()  local
698 		if (oss_buffer_size > runtime->oss.mmap_bytes)  in snd_pcm_oss_period_size()
699 			oss_buffer_size = runtime->oss.mmap_bytes;  in snd_pcm_oss_period_size()
704 	else if (runtime->oss.fragshift) {  in snd_pcm_oss_period_size()
705 		oss_period_size = 1 << runtime->oss.fragshift;  in snd_pcm_oss_period_size()
716 		if (runtime->oss.subdivision == 0) {  in snd_pcm_oss_period_size()
723 			sd = runtime->oss.subdivision;  in snd_pcm_oss_period_size()
749 	if (runtime->oss.maxfrags && s > runtime->oss.maxfrags)  in snd_pcm_oss_period_size()
750 		s = runtime->oss.maxfrags;  in snd_pcm_oss_period_size()
765 	runtime->oss.period_bytes = oss_period_size;  in snd_pcm_oss_period_size()
766 	runtime->oss.period_frames = 1;  in snd_pcm_oss_period_size()
767 	runtime->oss.periods = oss_periods;  in snd_pcm_oss_period_size()
812 static int lock_params(struct snd_pcm_runtime *runtime)  in lock_params()  argument
814 	if (mutex_lock_interruptible(&runtime->oss.params_lock))  in lock_params()
816 	if (atomic_read(&runtime->oss.rw_ref)) {  in lock_params()
817 		mutex_unlock(&runtime->oss.params_lock);  in lock_params()
823 static void unlock_params(struct snd_pcm_runtime *runtime)  in unlock_params()  argument
825 	mutex_unlock(&runtime->oss.params_lock);  in unlock_params()
831 	struct snd_pcm_runtime *runtime = substream->runtime;  in snd_pcm_oss_change_params_locked()  local
843 	if (!runtime->oss.params)  in snd_pcm_oss_change_params_locked()
875 	choose_rate(substream, sparams, runtime->oss.rate);  in snd_pcm_oss_change_params_locked()
876 …snd_pcm_hw_param_near(substream, sparams, SNDRV_PCM_HW_PARAM_CHANNELS, runtime->oss.channels, NULL…  in snd_pcm_oss_change_params_locked()
878 	format = snd_pcm_oss_format_from(runtime->oss.format);  in snd_pcm_oss_change_params_locked()
912 				      (__force int)snd_pcm_oss_format_from(runtime->oss.format), 0);  in snd_pcm_oss_change_params_locked()
914 				      runtime->oss.channels, 0);  in snd_pcm_oss_change_params_locked()
916 				      runtime->oss.rate, 0);  in snd_pcm_oss_change_params_locked()
932 	n = snd_pcm_plug_slave_size(substream, runtime->oss.period_bytes / oss_frame_size);  in snd_pcm_oss_change_params_locked()
938 				     runtime->oss.periods, NULL);  in snd_pcm_oss_change_params_locked()
963 		if (runtime->oss.plugin_first) {  in snd_pcm_oss_change_params_locked()
984 	if (runtime->oss.trigger) {  in snd_pcm_oss_change_params_locked()
987 		sw_params->start_threshold = runtime->boundary;  in snd_pcm_oss_change_params_locked()
991 		sw_params->stop_threshold = runtime->boundary;  in snd_pcm_oss_change_params_locked()
993 		sw_params->stop_threshold = runtime->buffer_size;  in snd_pcm_oss_change_params_locked()
997 		1 : runtime->period_size;  in snd_pcm_oss_change_params_locked()
1004 		frames = runtime->period_size + 16;  in snd_pcm_oss_change_params_locked()
1005 		if (frames > runtime->buffer_size)  in snd_pcm_oss_change_params_locked()
1006 			frames = runtime->buffer_size;  in snd_pcm_oss_change_params_locked()
1016 	runtime->oss.periods = params_periods(sparams);  in snd_pcm_oss_change_params_locked()
1023 	if (runtime->oss.plugin_first) {  in snd_pcm_oss_change_params_locked()
1031 	oss_buffer_size = oss_period_size * runtime->oss.periods;  in snd_pcm_oss_change_params_locked()
1037 	runtime->oss.period_bytes = oss_period_size;  in snd_pcm_oss_change_params_locked()
1038 	runtime->oss.buffer_bytes = oss_buffer_size;  in snd_pcm_oss_change_params_locked()
1041 		 runtime->oss.period_bytes,  in snd_pcm_oss_change_params_locked()
1042 		 runtime->oss.buffer_bytes);  in snd_pcm_oss_change_params_locked()
1047 	runtime->oss.format = snd_pcm_oss_format_to(params_format(params));  in snd_pcm_oss_change_params_locked()
1048 	runtime->oss.channels = params_channels(params);  in snd_pcm_oss_change_params_locked()
1049 	runtime->oss.rate = params_rate(params);  in snd_pcm_oss_change_params_locked()
1051 	kvfree(runtime->oss.buffer);  in snd_pcm_oss_change_params_locked()
1052 	runtime->oss.buffer = kvzalloc(runtime->oss.period_bytes, GFP_KERNEL);  in snd_pcm_oss_change_params_locked()
1053 	if (!runtime->oss.buffer) {  in snd_pcm_oss_change_params_locked()
1058 	runtime->oss.params = 0;  in snd_pcm_oss_change_params_locked()
1059 	runtime->oss.prepare = 1;  in snd_pcm_oss_change_params_locked()
1060 	runtime->oss.buffer_used = 0;  in snd_pcm_oss_change_params_locked()
1061 	if (runtime->dma_area)  in snd_pcm_oss_change_params_locked()
1062 …snd_pcm_format_set_silence(runtime->format, runtime->dma_area, bytes_to_samples(runtime, runtime->…  in snd_pcm_oss_change_params_locked()
1064 	runtime->oss.period_frames = snd_pcm_alsa_frames(substream, oss_period_size);  in snd_pcm_oss_change_params_locked()
1078 	struct snd_pcm_runtime *runtime = substream->runtime;  in snd_pcm_oss_change_params()  local
1082 		if (!(mutex_trylock(&runtime->oss.params_lock)))  in snd_pcm_oss_change_params()
1084 	} else if (mutex_lock_interruptible(&runtime->oss.params_lock))  in snd_pcm_oss_change_params()
1088 	mutex_unlock(&runtime->oss.params_lock);  in snd_pcm_oss_change_params()
1103 		if (substream->runtime->oss.params) {  in snd_pcm_oss_get_active_substream()
1118  * runtime->oss.prepare is set or not
1123 	struct snd_pcm_runtime *runtime = substream->runtime;  in snd_pcm_oss_prepare()  local
1131 	runtime->oss.prepare = 0;  in snd_pcm_oss_prepare()
1132 	runtime->oss.prev_hw_ptr_period = 0;  in snd_pcm_oss_prepare()
1133 	runtime->oss.period_ptr = 0;  in snd_pcm_oss_prepare()
1134 	runtime->oss.buffer_used = 0;  in snd_pcm_oss_prepare()
1141 	struct snd_pcm_runtime *runtime;  in snd_pcm_oss_make_ready()  local
1144 	runtime = substream->runtime;  in snd_pcm_oss_make_ready()
1145 	if (runtime->oss.params) {  in snd_pcm_oss_make_ready()
1150 	if (runtime->oss.prepare) {  in snd_pcm_oss_make_ready()
1151 		if (mutex_lock_interruptible(&runtime->oss.params_lock))  in snd_pcm_oss_make_ready()
1154 		mutex_unlock(&runtime->oss.params_lock);  in snd_pcm_oss_make_ready()
1164 	struct snd_pcm_runtime *runtime;  in snd_pcm_oss_make_ready_locked()  local
1167 	runtime = substream->runtime;  in snd_pcm_oss_make_ready_locked()
1168 	if (runtime->oss.params) {  in snd_pcm_oss_make_ready_locked()
1173 	if (runtime->oss.prepare) {  in snd_pcm_oss_make_ready_locked()
1183 	struct snd_pcm_runtime *runtime;  in snd_pcm_oss_capture_position_fixup()  local
1191 		runtime = substream->runtime;  in snd_pcm_oss_capture_position_fixup()
1192 		if (*delay <= (snd_pcm_sframes_t)runtime->buffer_size)  in snd_pcm_oss_capture_position_fixup()
1196 		frames = (*delay - runtime->buffer_size) + runtime->period_size - 1;  in snd_pcm_oss_capture_position_fixup()
1197 		frames /= runtime->period_size;  in snd_pcm_oss_capture_position_fixup()
1198 		frames *= runtime->period_size;  in snd_pcm_oss_capture_position_fixup()
1208 	struct snd_pcm_runtime *runtime = substream->runtime;  in snd_pcm_oss_write3()  local
1211 		if (runtime->status->state == SNDRV_PCM_STATE_XRUN ||  in snd_pcm_oss_write3()
1212 		    runtime->status->state == SNDRV_PCM_STATE_SUSPENDED) {  in snd_pcm_oss_write3()
1216 				runtime->status->state == SNDRV_PCM_STATE_XRUN ?  in snd_pcm_oss_write3()
1229 		if (runtime->status->state == SNDRV_PCM_STATE_PREPARED)  in snd_pcm_oss_write3()
1237 	struct snd_pcm_runtime *runtime = substream->runtime;  in snd_pcm_oss_read3()  local
1241 		if (runtime->status->state == SNDRV_PCM_STATE_XRUN ||  in snd_pcm_oss_read3()
1242 		    runtime->status->state == SNDRV_PCM_STATE_SUSPENDED) {  in snd_pcm_oss_read3()
1246 				runtime->status->state == SNDRV_PCM_STATE_XRUN ?  in snd_pcm_oss_read3()
1252 		} else if (runtime->status->state == SNDRV_PCM_STATE_SETUP) {  in snd_pcm_oss_read3()
1263 			if (runtime->status->state == SNDRV_PCM_STATE_DRAINING) {  in snd_pcm_oss_read3()
1279 	struct snd_pcm_runtime *runtime = substream->runtime;  in snd_pcm_oss_writev3()  local
1282 		if (runtime->status->state == SNDRV_PCM_STATE_XRUN ||  in snd_pcm_oss_writev3()
1283 		    runtime->status->state == SNDRV_PCM_STATE_SUSPENDED) {  in snd_pcm_oss_writev3()
1287 				runtime->status->state == SNDRV_PCM_STATE_XRUN ?  in snd_pcm_oss_writev3()
1300 		if (runtime->status->state == SNDRV_PCM_STATE_PREPARED)  in snd_pcm_oss_writev3()
1308 	struct snd_pcm_runtime *runtime = substream->runtime;  in snd_pcm_oss_readv3()  local
1311 		if (runtime->status->state == SNDRV_PCM_STATE_XRUN ||  in snd_pcm_oss_readv3()
1312 		    runtime->status->state == SNDRV_PCM_STATE_SUSPENDED) {  in snd_pcm_oss_readv3()
1316 				runtime->status->state == SNDRV_PCM_STATE_XRUN ?  in snd_pcm_oss_readv3()
1322 		} else if (runtime->status->state == SNDRV_PCM_STATE_SETUP) {  in snd_pcm_oss_readv3()
1337 	struct snd_pcm_runtime *runtime = substream->runtime;  in snd_pcm_oss_write2()  local
1340 	if (runtime->oss.plugin_first) {  in snd_pcm_oss_write2()
1342 …size_t oss_frame_bytes = (runtime->oss.plugin_first->src_width * runtime->oss.plugin_first->src_fo…  in snd_pcm_oss_write2()
1344 			if (copy_from_user(runtime->oss.buffer, (const char __force __user *)buf, bytes))  in snd_pcm_oss_write2()
1346 			buf = runtime->oss.buffer;  in snd_pcm_oss_write2()
1359 		frames = bytes_to_frames(runtime, bytes);  in snd_pcm_oss_write2()
1363 		bytes = frames_to_bytes(runtime, frames1);  in snd_pcm_oss_write2()
1372 	struct snd_pcm_runtime *runtime = substream->runtime;  in snd_pcm_oss_write1()  local
1377 	atomic_inc(&runtime->oss.rw_ref);  in snd_pcm_oss_write1()
1379 		if (mutex_lock_interruptible(&runtime->oss.params_lock)) {  in snd_pcm_oss_write1()
1386 		if (bytes < runtime->oss.period_bytes || runtime->oss.buffer_used > 0) {  in snd_pcm_oss_write1()
1388 			if (tmp + runtime->oss.buffer_used > runtime->oss.period_bytes)  in snd_pcm_oss_write1()
1389 				tmp = runtime->oss.period_bytes - runtime->oss.buffer_used;  in snd_pcm_oss_write1()
1391 				if (copy_from_user(runtime->oss.buffer + runtime->oss.buffer_used, buf, tmp)) {  in snd_pcm_oss_write1()
1396 			runtime->oss.buffer_used += tmp;  in snd_pcm_oss_write1()
1401 			    runtime->oss.buffer_used == runtime->oss.period_bytes) {  in snd_pcm_oss_write1()
1402 				tmp = snd_pcm_oss_write2(substream, runtime->oss.buffer + runtime->oss.period_ptr,   in snd_pcm_oss_write1()
1403 							 runtime->oss.buffer_used - runtime->oss.period_ptr, 1);  in snd_pcm_oss_write1()
1406 				runtime->oss.bytes += tmp;  in snd_pcm_oss_write1()
1407 				runtime->oss.period_ptr += tmp;  in snd_pcm_oss_write1()
1408 				runtime->oss.period_ptr %= runtime->oss.period_bytes;  in snd_pcm_oss_write1()
1409 				if (runtime->oss.period_ptr == 0 ||  in snd_pcm_oss_write1()
1410 				    runtime->oss.period_ptr == runtime->oss.buffer_used)  in snd_pcm_oss_write1()
1411 					runtime->oss.buffer_used = 0;  in snd_pcm_oss_write1()
1420 						 runtime->oss.period_bytes, 0);  in snd_pcm_oss_write1()
1423 			runtime->oss.bytes += tmp;  in snd_pcm_oss_write1()
1428 			    tmp != runtime->oss.period_bytes)  in snd_pcm_oss_write1()
1432 		mutex_unlock(&runtime->oss.params_lock);  in snd_pcm_oss_write1()
1441 	atomic_dec(&runtime->oss.rw_ref);  in snd_pcm_oss_write1()
1447 	struct snd_pcm_runtime *runtime = substream->runtime;  in snd_pcm_oss_read2()  local
1451 	if (runtime->oss.plugin_first) {  in snd_pcm_oss_read2()
1453 …size_t oss_frame_bytes = (runtime->oss.plugin_last->dst_width * runtime->oss.plugin_last->dst_form…  in snd_pcm_oss_read2()
1455 			buf = runtime->oss.buffer;  in snd_pcm_oss_read2()
1469 		frames = bytes_to_frames(runtime, bytes);  in snd_pcm_oss_read2()
1473 		bytes = frames_to_bytes(runtime, frames1);  in snd_pcm_oss_read2()
1482 	struct snd_pcm_runtime *runtime = substream->runtime;  in snd_pcm_oss_read1()  local
1487 	atomic_inc(&runtime->oss.rw_ref);  in snd_pcm_oss_read1()
1489 		if (mutex_lock_interruptible(&runtime->oss.params_lock)) {  in snd_pcm_oss_read1()
1496 		if (bytes < runtime->oss.period_bytes || runtime->oss.buffer_used > 0) {  in snd_pcm_oss_read1()
1497 			if (runtime->oss.buffer_used == 0) {  in snd_pcm_oss_read1()
1498 				tmp = snd_pcm_oss_read2(substream, runtime->oss.buffer, runtime->oss.period_bytes, 1);  in snd_pcm_oss_read1()
1501 				runtime->oss.bytes += tmp;  in snd_pcm_oss_read1()
1502 				runtime->oss.period_ptr = tmp;  in snd_pcm_oss_read1()
1503 				runtime->oss.buffer_used = tmp;  in snd_pcm_oss_read1()
1506 			if ((size_t) tmp > runtime->oss.buffer_used)  in snd_pcm_oss_read1()
1507 				tmp = runtime->oss.buffer_used;  in snd_pcm_oss_read1()
1508 …if (copy_to_user(buf, runtime->oss.buffer + (runtime->oss.period_ptr - runtime->oss.buffer_used), …  in snd_pcm_oss_read1()
1515 			runtime->oss.buffer_used -= tmp;  in snd_pcm_oss_read1()
1518 						runtime->oss.period_bytes, 0);  in snd_pcm_oss_read1()
1521 			runtime->oss.bytes += tmp;  in snd_pcm_oss_read1()
1527 		mutex_unlock(&runtime->oss.params_lock);  in snd_pcm_oss_read1()
1536 	atomic_dec(&runtime->oss.rw_ref);  in snd_pcm_oss_read1()
1543 	struct snd_pcm_runtime *runtime;  in snd_pcm_oss_reset()  local
1550 		runtime = substream->runtime;  in snd_pcm_oss_reset()
1552 		mutex_lock(&runtime->oss.params_lock);  in snd_pcm_oss_reset()
1553 		runtime->oss.prepare = 1;  in snd_pcm_oss_reset()
1554 		runtime->oss.buffer_used = 0;  in snd_pcm_oss_reset()
1555 		runtime->oss.prev_hw_ptr_period = 0;  in snd_pcm_oss_reset()
1556 		runtime->oss.period_ptr = 0;  in snd_pcm_oss_reset()
1557 		mutex_unlock(&runtime->oss.params_lock);  in snd_pcm_oss_reset()
1580 	struct snd_pcm_runtime *runtime;  in snd_pcm_oss_sync1()  local
1586 	runtime = substream->runtime;  in snd_pcm_oss_sync1()
1588 	add_wait_queue(&runtime->sleep, &wait);  in snd_pcm_oss_sync1()
1593 		result = snd_pcm_oss_write2(substream, runtime->oss.buffer, size, 1);  in snd_pcm_oss_sync1()
1595 			runtime->oss.buffer_used = 0;  in snd_pcm_oss_sync1()
1604 		state = runtime->status->state;  in snd_pcm_oss_sync1()
1622 	remove_wait_queue(&runtime->sleep, &wait);  in snd_pcm_oss_sync1()
1631 	struct snd_pcm_runtime *runtime;  in snd_pcm_oss_sync()  local
1638 		runtime = substream->runtime;  in snd_pcm_oss_sync()
1643 		atomic_inc(&runtime->oss.rw_ref);  in snd_pcm_oss_sync()
1644 		if (mutex_lock_interruptible(&runtime->oss.params_lock)) {  in snd_pcm_oss_sync()
1645 			atomic_dec(&runtime->oss.rw_ref);  in snd_pcm_oss_sync()
1648 		format = snd_pcm_oss_format_from(runtime->oss.format);  in snd_pcm_oss_sync()
1650 		if (runtime->oss.buffer_used > 0) {  in snd_pcm_oss_sync()
1654 			size = (8 * (runtime->oss.period_bytes - runtime->oss.buffer_used) + 7) / width;  in snd_pcm_oss_sync()
1656 						   runtime->oss.buffer + runtime->oss.buffer_used,  in snd_pcm_oss_sync()
1658 			err = snd_pcm_oss_sync1(substream, runtime->oss.period_bytes);  in snd_pcm_oss_sync()
1661 		} else if (runtime->oss.period_ptr > 0) {  in snd_pcm_oss_sync()
1665 			size = runtime->oss.period_bytes - runtime->oss.period_ptr;  in snd_pcm_oss_sync()
1667 						   runtime->oss.buffer,  in snd_pcm_oss_sync()
1677 		size = runtime->control->appl_ptr % runtime->period_size;  in snd_pcm_oss_sync()
1679 			size = runtime->period_size - size;  in snd_pcm_oss_sync()
1680 			if (runtime->access == SNDRV_PCM_ACCESS_RW_INTERLEAVED)  in snd_pcm_oss_sync()
1682 			else if (runtime->access == SNDRV_PCM_ACCESS_RW_NONINTERLEAVED)  in snd_pcm_oss_sync()
1686 		mutex_unlock(&runtime->oss.params_lock);  in snd_pcm_oss_sync()
1687 		atomic_dec(&runtime->oss.rw_ref);  in snd_pcm_oss_sync()
1700 		mutex_lock(&runtime->oss.params_lock);  in snd_pcm_oss_sync()
1701 		runtime->oss.prepare = 1;  in snd_pcm_oss_sync()
1702 		mutex_unlock(&runtime->oss.params_lock);  in snd_pcm_oss_sync()
1709 		runtime = substream->runtime;  in snd_pcm_oss_sync()
1713 		mutex_lock(&runtime->oss.params_lock);  in snd_pcm_oss_sync()
1714 		runtime->oss.buffer_used = 0;  in snd_pcm_oss_sync()
1715 		runtime->oss.prepare = 1;  in snd_pcm_oss_sync()
1716 		mutex_unlock(&runtime->oss.params_lock);  in snd_pcm_oss_sync()
1727 		struct snd_pcm_runtime *runtime;  in snd_pcm_oss_set_rate()  local
1732 		runtime = substream->runtime;  in snd_pcm_oss_set_rate()
1737 		err = lock_params(runtime);  in snd_pcm_oss_set_rate()
1740 		if (runtime->oss.rate != rate) {  in snd_pcm_oss_set_rate()
1741 			runtime->oss.params = 1;  in snd_pcm_oss_set_rate()
1742 			runtime->oss.rate = rate;  in snd_pcm_oss_set_rate()
1744 		unlock_params(runtime);  in snd_pcm_oss_set_rate()
1756 	return substream->runtime->oss.rate;  in snd_pcm_oss_get_rate()
1768 		struct snd_pcm_runtime *runtime;  in snd_pcm_oss_set_channels()  local
1773 		runtime = substream->runtime;  in snd_pcm_oss_set_channels()
1774 		err = lock_params(runtime);  in snd_pcm_oss_set_channels()
1777 		if (runtime->oss.channels != channels) {  in snd_pcm_oss_set_channels()
1778 			runtime->oss.params = 1;  in snd_pcm_oss_set_channels()
1779 			runtime->oss.channels = channels;  in snd_pcm_oss_set_channels()
1781 		unlock_params(runtime);  in snd_pcm_oss_set_channels()
1793 	return substream->runtime->oss.channels;  in snd_pcm_oss_get_channels()
1803 	return substream->runtime->oss.period_bytes;  in snd_pcm_oss_get_block_size()
1864 			struct snd_pcm_runtime *runtime;  in snd_pcm_oss_set_format()  local
1867 			runtime = substream->runtime;  in snd_pcm_oss_set_format()
1868 			err = lock_params(runtime);  in snd_pcm_oss_set_format()
1871 			if (runtime->oss.format != format) {  in snd_pcm_oss_set_format()
1872 				runtime->oss.params = 1;  in snd_pcm_oss_set_format()
1873 				runtime->oss.format = format;  in snd_pcm_oss_set_format()
1875 			unlock_params(runtime);  in snd_pcm_oss_set_format()
1888 	return substream->runtime->oss.format;  in snd_pcm_oss_get_format()
1893 	struct snd_pcm_runtime *runtime;  in snd_pcm_oss_set_subdivide1()  local
1895 	runtime = substream->runtime;  in snd_pcm_oss_set_subdivide1()
1897 		subdivide = runtime->oss.subdivision;  in snd_pcm_oss_set_subdivide1()
1902 	if (runtime->oss.subdivision || runtime->oss.fragshift)  in snd_pcm_oss_set_subdivide1()
1907 	runtime->oss.subdivision = subdivide;  in snd_pcm_oss_set_subdivide1()
1908 	runtime->oss.params = 1;  in snd_pcm_oss_set_subdivide1()
1918 		struct snd_pcm_runtime *runtime;  in snd_pcm_oss_set_subdivide()  local
1922 		runtime = substream->runtime;  in snd_pcm_oss_set_subdivide()
1923 		err = lock_params(runtime);  in snd_pcm_oss_set_subdivide()
1927 		unlock_params(runtime);  in snd_pcm_oss_set_subdivide()
1936 	struct snd_pcm_runtime *runtime;  in snd_pcm_oss_set_fragment1()  local
1938 	runtime = substream->runtime;  in snd_pcm_oss_set_fragment1()
1939 	if (runtime->oss.subdivision || runtime->oss.fragshift)  in snd_pcm_oss_set_fragment1()
1941 	runtime->oss.fragshift = val & 0xffff;  in snd_pcm_oss_set_fragment1()
1942 	runtime->oss.maxfrags = (val >> 16) & 0xffff;  in snd_pcm_oss_set_fragment1()
1943 	if (runtime->oss.fragshift < 4)		/* < 16 */  in snd_pcm_oss_set_fragment1()
1944 		runtime->oss.fragshift = 4;  in snd_pcm_oss_set_fragment1()
1945 	if (runtime->oss.maxfrags < 2)  in snd_pcm_oss_set_fragment1()
1946 		runtime->oss.maxfrags = 2;  in snd_pcm_oss_set_fragment1()
1947 	runtime->oss.params = 1;  in snd_pcm_oss_set_fragment1()
1957 		struct snd_pcm_runtime *runtime;  in snd_pcm_oss_set_fragment()  local
1961 		runtime = substream->runtime;  in snd_pcm_oss_set_fragment()
1962 		err = lock_params(runtime);  in snd_pcm_oss_set_fragment()
1966 		unlock_params(runtime);  in snd_pcm_oss_set_fragment()
1997 		struct snd_pcm_runtime *runtime = substream->runtime;  in snd_pcm_oss_get_caps1()  local
1998 		if (runtime->info & (SNDRV_PCM_INFO_BLOCK_TRANSFER|SNDRV_PCM_INFO_BATCH))  in snd_pcm_oss_get_caps1()
2021 	struct snd_pcm_runtime *runtime = substream->runtime;  in snd_pcm_oss_simulate_fill()  local
2023 	appl_ptr = hw_ptr + runtime->buffer_size;  in snd_pcm_oss_simulate_fill()
2024 	appl_ptr %= runtime->boundary;  in snd_pcm_oss_simulate_fill()
2025 	runtime->control->appl_ptr = appl_ptr;  in snd_pcm_oss_simulate_fill()
2030 	struct snd_pcm_runtime *runtime;  in snd_pcm_oss_set_trigger()  local
2050       		runtime = psubstream->runtime;  in snd_pcm_oss_set_trigger()
2052 		if (mutex_lock_interruptible(&runtime->oss.params_lock))  in snd_pcm_oss_set_trigger()
2055 			if (runtime->oss.trigger)  in snd_pcm_oss_set_trigger()
2059 						get_hw_ptr_period(runtime));  in snd_pcm_oss_set_trigger()
2060 			runtime->oss.trigger = 1;  in snd_pcm_oss_set_trigger()
2061 			runtime->start_threshold = 1;  in snd_pcm_oss_set_trigger()
2064 			if (!runtime->oss.trigger)  in snd_pcm_oss_set_trigger()
2066 			runtime->oss.trigger = 0;  in snd_pcm_oss_set_trigger()
2067 			runtime->start_threshold = runtime->boundary;  in snd_pcm_oss_set_trigger()
2069 			runtime->oss.prepare = 1;  in snd_pcm_oss_set_trigger()
2072 		mutex_unlock(&runtime->oss.params_lock);  in snd_pcm_oss_set_trigger()
2080       		runtime = csubstream->runtime;  in snd_pcm_oss_set_trigger()
2082 		if (mutex_lock_interruptible(&runtime->oss.params_lock))  in snd_pcm_oss_set_trigger()
2085 			if (runtime->oss.trigger)  in snd_pcm_oss_set_trigger()
2087 			runtime->oss.trigger = 1;  in snd_pcm_oss_set_trigger()
2088 			runtime->start_threshold = 1;  in snd_pcm_oss_set_trigger()
2091 			if (!runtime->oss.trigger)  in snd_pcm_oss_set_trigger()
2093 			runtime->oss.trigger = 0;  in snd_pcm_oss_set_trigger()
2094 			runtime->start_threshold = runtime->boundary;  in snd_pcm_oss_set_trigger()
2096 			runtime->oss.prepare = 1;  in snd_pcm_oss_set_trigger()
2099 		mutex_unlock(&runtime->oss.params_lock);  in snd_pcm_oss_set_trigger()
2116 	if (psubstream && psubstream->runtime && psubstream->runtime->oss.trigger)  in snd_pcm_oss_get_trigger()
2118 	if (csubstream && csubstream->runtime && csubstream->runtime->oss.trigger)  in snd_pcm_oss_get_trigger()
2126 	struct snd_pcm_runtime *runtime;  in snd_pcm_oss_get_odelay()  local
2135 	runtime = substream->runtime;  in snd_pcm_oss_get_odelay()
2136 	if (runtime->oss.params || runtime->oss.prepare)  in snd_pcm_oss_get_odelay()
2149 	struct snd_pcm_runtime *runtime;  in snd_pcm_oss_get_ptr()  local
2162 	runtime = substream->runtime;  in snd_pcm_oss_get_ptr()
2163 	if (runtime->oss.params || runtime->oss.prepare) {  in snd_pcm_oss_get_ptr()
2176 			fixup = runtime->oss.buffer_used;  in snd_pcm_oss_get_ptr()
2180 		fixup = -runtime->oss.buffer_used;  in snd_pcm_oss_get_ptr()
2184 	info.ptr = snd_pcm_oss_bytes(substream, runtime->status->hw_ptr % runtime->buffer_size);  in snd_pcm_oss_get_ptr()
2187 		delay = get_hw_ptr_period(runtime);  in snd_pcm_oss_get_ptr()
2188 		n = delay - runtime->oss.prev_hw_ptr_period;  in snd_pcm_oss_get_ptr()
2190 			n += runtime->boundary;  in snd_pcm_oss_get_ptr()
2191 		info.blocks = n / runtime->period_size;  in snd_pcm_oss_get_ptr()
2192 		runtime->oss.prev_hw_ptr_period = delay;  in snd_pcm_oss_get_ptr()
2195 		info.bytes = snd_pcm_oss_bytes(substream, runtime->status->hw_ptr) & INT_MAX;  in snd_pcm_oss_get_ptr()
2200 				info.blocks = (runtime->oss.buffer_bytes - delay - fixup) / runtime->oss.period_bytes;  in snd_pcm_oss_get_ptr()
2202 				info.blocks = (delay + fixup) / runtime->oss.period_bytes;  in snd_pcm_oss_get_ptr()
2203 			info.bytes = (runtime->oss.bytes - delay) & INT_MAX;  in snd_pcm_oss_get_ptr()
2206 			info.blocks = delay / runtime->oss.period_bytes;  in snd_pcm_oss_get_ptr()
2207 			info.bytes = (runtime->oss.bytes + delay) & INT_MAX;  in snd_pcm_oss_get_ptr()
2218 	struct snd_pcm_runtime *runtime;  in snd_pcm_oss_get_space()  local
2229 	runtime = substream->runtime;  in snd_pcm_oss_get_space()
2231 	if (runtime->oss.params &&  in snd_pcm_oss_get_space()
2235 	info.fragsize = runtime->oss.period_bytes;  in snd_pcm_oss_get_space()
2236 	info.fragstotal = runtime->periods;  in snd_pcm_oss_get_space()
2237 	if (runtime->oss.prepare) {  in snd_pcm_oss_get_space()
2239 			info.bytes = runtime->oss.period_bytes * runtime->oss.periods;  in snd_pcm_oss_get_space()
2240 			info.fragments = runtime->oss.periods;  in snd_pcm_oss_get_space()
2249 				avail = runtime->buffer_size;  in snd_pcm_oss_get_space()
2253 				avail = runtime->buffer_size - avail;  in snd_pcm_oss_get_space()
2254 				fixup = -runtime->oss.buffer_used;  in snd_pcm_oss_get_space()
2258 			fixup = runtime->oss.buffer_used;  in snd_pcm_oss_get_space()
2263 		info.fragments = info.bytes / runtime->oss.period_bytes;  in snd_pcm_oss_get_space()
2315 	struct snd_pcm_runtime *runtime;  in snd_pcm_oss_release_substream()  local
2316 	runtime = substream->runtime;  in snd_pcm_oss_release_substream()
2317 	kvfree(runtime->oss.buffer);  in snd_pcm_oss_release_substream()
2318 	runtime->oss.buffer = NULL;  in snd_pcm_oss_release_substream()
2329 	struct snd_pcm_runtime *runtime;  in snd_pcm_oss_init_substream()  local
2337 	runtime = substream->runtime;  in snd_pcm_oss_init_substream()
2338 	runtime->oss.params = 1;  in snd_pcm_oss_init_substream()
2339 	runtime->oss.trigger = 1;  in snd_pcm_oss_init_substream()
2340 	runtime->oss.rate = 8000;  in snd_pcm_oss_init_substream()
2341 	mutex_init(&runtime->oss.params_lock);  in snd_pcm_oss_init_substream()
2344 		runtime->oss.format = AFMT_U8;  in snd_pcm_oss_init_substream()
2347 		runtime->oss.format = AFMT_S16_LE;  in snd_pcm_oss_init_substream()
2350 		runtime->oss.format = AFMT_MU_LAW;  in snd_pcm_oss_init_substream()
2352 	runtime->oss.channels = 1;  in snd_pcm_oss_init_substream()
2353 	runtime->oss.fragshift = 0;  in snd_pcm_oss_init_substream()
2354 	runtime->oss.maxfrags = 0;  in snd_pcm_oss_init_substream()
2355 	runtime->oss.subdivision = 0;  in snd_pcm_oss_init_substream()
2357 	atomic_set(&runtime->oss.rw_ref, 0);  in snd_pcm_oss_init_substream()
2770 	struct snd_pcm_runtime *runtime = substream->runtime;  in snd_pcm_oss_playback_ready()  local
2772 		return runtime->oss.prev_hw_ptr_period !=  in snd_pcm_oss_playback_ready()
2773 						get_hw_ptr_period(runtime);  in snd_pcm_oss_playback_ready()
2775 		return snd_pcm_playback_avail(runtime) >=  in snd_pcm_oss_playback_ready()
2776 						runtime->oss.period_frames;  in snd_pcm_oss_playback_ready()
2781 	struct snd_pcm_runtime *runtime = substream->runtime;  in snd_pcm_oss_capture_ready()  local
2783 		return runtime->oss.prev_hw_ptr_period !=  in snd_pcm_oss_capture_ready()
2784 						get_hw_ptr_period(runtime);  in snd_pcm_oss_capture_ready()
2786 		return snd_pcm_capture_avail(runtime) >=  in snd_pcm_oss_capture_ready()
2787 						runtime->oss.period_frames;  in snd_pcm_oss_capture_ready()
2803 		struct snd_pcm_runtime *runtime = psubstream->runtime;  in snd_pcm_oss_poll()  local
2804 		poll_wait(file, &runtime->sleep, wait);  in snd_pcm_oss_poll()
2806 		if (runtime->status->state != SNDRV_PCM_STATE_DRAINING &&  in snd_pcm_oss_poll()
2807 		    (runtime->status->state != SNDRV_PCM_STATE_RUNNING ||  in snd_pcm_oss_poll()
2813 		struct snd_pcm_runtime *runtime = csubstream->runtime;  in snd_pcm_oss_poll()  local
2815 		poll_wait(file, &runtime->sleep, wait);  in snd_pcm_oss_poll()
2817 		if ((ostate = runtime->status->state) != SNDRV_PCM_STATE_RUNNING ||  in snd_pcm_oss_poll()
2821 		if (ostate != SNDRV_PCM_STATE_RUNNING && runtime->oss.trigger) {  in snd_pcm_oss_poll()
2825 			runtime->oss.trigger = 0;  in snd_pcm_oss_poll()
2837 	struct snd_pcm_runtime *runtime;  in snd_pcm_oss_mmap()  local
2864 	runtime = substream->runtime;  in snd_pcm_oss_mmap()
2865 	if (!(runtime->info & SNDRV_PCM_INFO_MMAP_VALID))  in snd_pcm_oss_mmap()
2867 	if (runtime->info & SNDRV_PCM_INFO_INTERLEAVED)  in snd_pcm_oss_mmap()
2868 		runtime->access = SNDRV_PCM_ACCESS_MMAP_INTERLEAVED;  in snd_pcm_oss_mmap()
2872 	if (runtime->oss.params) {  in snd_pcm_oss_mmap()
2882 	if (runtime->oss.plugin_first != NULL)  in snd_pcm_oss_mmap()
2892 	runtime->oss.mmap_bytes = area->vm_end - area->vm_start;  in snd_pcm_oss_mmap()
2893 	runtime->silence_threshold = 0;  in snd_pcm_oss_mmap()
2894 	runtime->silence_size = 0;  in snd_pcm_oss_mmap()
2897 	       runtime->oss.mmap_bytes);  in snd_pcm_oss_mmap()
2900 	runtime->stop_threshold = runtime->boundary;  in snd_pcm_oss_mmap()