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()
689 	struct snd_pcm_runtime *runtime = substream->runtime;  in snd_pcm_oss_period_size()  local
706 		if (oss_buffer_size > runtime->oss.mmap_bytes)  in snd_pcm_oss_period_size()
707 			oss_buffer_size = runtime->oss.mmap_bytes;  in snd_pcm_oss_period_size()
712 	else if (runtime->oss.fragshift) {  in snd_pcm_oss_period_size()
713 		oss_period_size = 1 << runtime->oss.fragshift;  in snd_pcm_oss_period_size()
724 		if (runtime->oss.subdivision == 0) {  in snd_pcm_oss_period_size()
731 			sd = runtime->oss.subdivision;  in snd_pcm_oss_period_size()
761 	if (s > 0 && runtime->oss.maxfrags && s > runtime->oss.maxfrags)  in snd_pcm_oss_period_size()
762 		s = runtime->oss.maxfrags;  in snd_pcm_oss_period_size()
782 	runtime->oss.period_bytes = oss_period_size;  in snd_pcm_oss_period_size()
783 	runtime->oss.period_frames = 1;  in snd_pcm_oss_period_size()
784 	runtime->oss.periods = oss_periods;  in snd_pcm_oss_period_size()
829 static int lock_params(struct snd_pcm_runtime *runtime)  in lock_params()  argument
831 	if (mutex_lock_interruptible(&runtime->oss.params_lock))  in lock_params()
833 	if (atomic_read(&runtime->oss.rw_ref)) {  in lock_params()
834 		mutex_unlock(&runtime->oss.params_lock);  in lock_params()
840 static void unlock_params(struct snd_pcm_runtime *runtime)  in unlock_params()  argument
842 	mutex_unlock(&runtime->oss.params_lock);  in unlock_params()
847 	struct snd_pcm_runtime *runtime = substream->runtime;  in snd_pcm_oss_release_buffers()  local
849 	kvfree(runtime->oss.buffer);  in snd_pcm_oss_release_buffers()
850 	runtime->oss.buffer = NULL;  in snd_pcm_oss_release_buffers()
859 	struct snd_pcm_runtime *runtime = substream->runtime;  in snd_pcm_oss_change_params_locked()  local
871 	if (!runtime->oss.params)  in snd_pcm_oss_change_params_locked()
904 	err = choose_rate(substream, sparams, runtime->oss.rate);  in snd_pcm_oss_change_params_locked()
909 				    runtime->oss.channels, NULL);  in snd_pcm_oss_change_params_locked()
913 	format = snd_pcm_oss_format_from(runtime->oss.format);  in snd_pcm_oss_change_params_locked()
944 				      (__force int)snd_pcm_oss_format_from(runtime->oss.format), 0);  in snd_pcm_oss_change_params_locked()
946 				      runtime->oss.channels, 0);  in snd_pcm_oss_change_params_locked()
948 				      runtime->oss.rate, 0);  in snd_pcm_oss_change_params_locked()
964 	n = snd_pcm_plug_slave_size(substream, runtime->oss.period_bytes / oss_frame_size);  in snd_pcm_oss_change_params_locked()
970 				     runtime->oss.periods, NULL);  in snd_pcm_oss_change_params_locked()
992 		if (runtime->oss.plugin_first) {  in snd_pcm_oss_change_params_locked()
1011 	if (runtime->oss.trigger) {  in snd_pcm_oss_change_params_locked()
1014 		sw_params->start_threshold = runtime->boundary;  in snd_pcm_oss_change_params_locked()
1018 		sw_params->stop_threshold = runtime->boundary;  in snd_pcm_oss_change_params_locked()
1020 		sw_params->stop_threshold = runtime->buffer_size;  in snd_pcm_oss_change_params_locked()
1024 		1 : runtime->period_size;  in snd_pcm_oss_change_params_locked()
1031 		frames = runtime->period_size + 16;  in snd_pcm_oss_change_params_locked()
1032 		if (frames > runtime->buffer_size)  in snd_pcm_oss_change_params_locked()
1033 			frames = runtime->buffer_size;  in snd_pcm_oss_change_params_locked()
1044 	runtime->oss.periods = params_periods(sparams);  in snd_pcm_oss_change_params_locked()
1051 	if (runtime->oss.plugin_first) {  in snd_pcm_oss_change_params_locked()
1058 	oss_buffer_size = array_size(oss_period_size, runtime->oss.periods);  in snd_pcm_oss_change_params_locked()
1064 	runtime->oss.period_bytes = oss_period_size;  in snd_pcm_oss_change_params_locked()
1065 	runtime->oss.buffer_bytes = oss_buffer_size;  in snd_pcm_oss_change_params_locked()
1068 		 runtime->oss.period_bytes,  in snd_pcm_oss_change_params_locked()
1069 		 runtime->oss.buffer_bytes);  in snd_pcm_oss_change_params_locked()
1074 	runtime->oss.format = snd_pcm_oss_format_to(params_format(params));  in snd_pcm_oss_change_params_locked()
1075 	runtime->oss.channels = params_channels(params);  in snd_pcm_oss_change_params_locked()
1076 	runtime->oss.rate = params_rate(params);  in snd_pcm_oss_change_params_locked()
1078 	kvfree(runtime->oss.buffer);  in snd_pcm_oss_change_params_locked()
1079 	runtime->oss.buffer = kvzalloc(runtime->oss.period_bytes, GFP_KERNEL);  in snd_pcm_oss_change_params_locked()
1080 	if (!runtime->oss.buffer) {  in snd_pcm_oss_change_params_locked()
1085 	runtime->oss.params = 0;  in snd_pcm_oss_change_params_locked()
1086 	runtime->oss.prepare = 1;  in snd_pcm_oss_change_params_locked()
1087 	runtime->oss.buffer_used = 0;  in snd_pcm_oss_change_params_locked()
1088 	if (runtime->dma_area)  in snd_pcm_oss_change_params_locked()
1089 …snd_pcm_format_set_silence(runtime->format, runtime->dma_area, bytes_to_samples(runtime, runtime->…  in snd_pcm_oss_change_params_locked()
1091 	runtime->oss.period_frames = snd_pcm_alsa_frames(substream, oss_period_size);  in snd_pcm_oss_change_params_locked()
1107 	struct snd_pcm_runtime *runtime = substream->runtime;  in snd_pcm_oss_change_params()  local
1111 		if (!(mutex_trylock(&runtime->oss.params_lock)))  in snd_pcm_oss_change_params()
1113 	} else if (mutex_lock_interruptible(&runtime->oss.params_lock))  in snd_pcm_oss_change_params()
1117 	mutex_unlock(&runtime->oss.params_lock);  in snd_pcm_oss_change_params()
1132 		if (substream->runtime->oss.params) {  in snd_pcm_oss_get_active_substream()
1147  * runtime->oss.prepare is set or not
1152 	struct snd_pcm_runtime *runtime = substream->runtime;  in snd_pcm_oss_prepare()  local
1160 	runtime->oss.prepare = 0;  in snd_pcm_oss_prepare()
1161 	runtime->oss.prev_hw_ptr_period = 0;  in snd_pcm_oss_prepare()
1162 	runtime->oss.period_ptr = 0;  in snd_pcm_oss_prepare()
1163 	runtime->oss.buffer_used = 0;  in snd_pcm_oss_prepare()
1170 	struct snd_pcm_runtime *runtime;  in snd_pcm_oss_make_ready()  local
1173 	runtime = substream->runtime;  in snd_pcm_oss_make_ready()
1174 	if (runtime->oss.params) {  in snd_pcm_oss_make_ready()
1179 	if (runtime->oss.prepare) {  in snd_pcm_oss_make_ready()
1180 		if (mutex_lock_interruptible(&runtime->oss.params_lock))  in snd_pcm_oss_make_ready()
1183 		mutex_unlock(&runtime->oss.params_lock);  in snd_pcm_oss_make_ready()
1193 	struct snd_pcm_runtime *runtime;  in snd_pcm_oss_make_ready_locked()  local
1196 	runtime = substream->runtime;  in snd_pcm_oss_make_ready_locked()
1197 	if (runtime->oss.params) {  in snd_pcm_oss_make_ready_locked()
1202 	if (runtime->oss.prepare) {  in snd_pcm_oss_make_ready_locked()
1212 	struct snd_pcm_runtime *runtime;  in snd_pcm_oss_capture_position_fixup()  local
1220 		runtime = substream->runtime;  in snd_pcm_oss_capture_position_fixup()
1221 		if (*delay <= (snd_pcm_sframes_t)runtime->buffer_size)  in snd_pcm_oss_capture_position_fixup()
1225 		frames = (*delay - runtime->buffer_size) + runtime->period_size - 1;  in snd_pcm_oss_capture_position_fixup()
1226 		frames /= runtime->period_size;  in snd_pcm_oss_capture_position_fixup()
1227 		frames *= runtime->period_size;  in snd_pcm_oss_capture_position_fixup()
1237 	struct snd_pcm_runtime *runtime = substream->runtime;  in snd_pcm_oss_write3()  local
1240 		if (runtime->state == SNDRV_PCM_STATE_XRUN ||  in snd_pcm_oss_write3()
1241 		    runtime->state == SNDRV_PCM_STATE_SUSPENDED) {  in snd_pcm_oss_write3()
1245 				runtime->state == SNDRV_PCM_STATE_XRUN ?  in snd_pcm_oss_write3()
1252 		mutex_unlock(&runtime->oss.params_lock);  in snd_pcm_oss_write3()
1255 		mutex_lock(&runtime->oss.params_lock);  in snd_pcm_oss_write3()
1260 		if (runtime->state == SNDRV_PCM_STATE_PREPARED)  in snd_pcm_oss_write3()
1268 	struct snd_pcm_runtime *runtime = substream->runtime;  in snd_pcm_oss_read3()  local
1272 		if (runtime->state == SNDRV_PCM_STATE_XRUN ||  in snd_pcm_oss_read3()
1273 		    runtime->state == SNDRV_PCM_STATE_SUSPENDED) {  in snd_pcm_oss_read3()
1277 				runtime->state == SNDRV_PCM_STATE_XRUN ?  in snd_pcm_oss_read3()
1283 		} else if (runtime->state == SNDRV_PCM_STATE_SETUP) {  in snd_pcm_oss_read3()
1291 		mutex_unlock(&runtime->oss.params_lock);  in snd_pcm_oss_read3()
1294 		mutex_lock(&runtime->oss.params_lock);  in snd_pcm_oss_read3()
1296 			if (runtime->state == SNDRV_PCM_STATE_DRAINING) {  in snd_pcm_oss_read3()
1312 	struct snd_pcm_runtime *runtime = substream->runtime;  in snd_pcm_oss_writev3()  local
1315 		if (runtime->state == SNDRV_PCM_STATE_XRUN ||  in snd_pcm_oss_writev3()
1316 		    runtime->state == SNDRV_PCM_STATE_SUSPENDED) {  in snd_pcm_oss_writev3()
1320 				runtime->state == SNDRV_PCM_STATE_XRUN ?  in snd_pcm_oss_writev3()
1333 		if (runtime->state == SNDRV_PCM_STATE_PREPARED)  in snd_pcm_oss_writev3()
1341 	struct snd_pcm_runtime *runtime = substream->runtime;  in snd_pcm_oss_readv3()  local
1344 		if (runtime->state == SNDRV_PCM_STATE_XRUN ||  in snd_pcm_oss_readv3()
1345 		    runtime->state == SNDRV_PCM_STATE_SUSPENDED) {  in snd_pcm_oss_readv3()
1349 				runtime->state == SNDRV_PCM_STATE_XRUN ?  in snd_pcm_oss_readv3()
1355 		} else if (runtime->state == SNDRV_PCM_STATE_SETUP) {  in snd_pcm_oss_readv3()
1370 	struct snd_pcm_runtime *runtime = substream->runtime;  in snd_pcm_oss_write2()  local
1373 	if (runtime->oss.plugin_first) {  in snd_pcm_oss_write2()
1375 …size_t oss_frame_bytes = (runtime->oss.plugin_first->src_width * runtime->oss.plugin_first->src_fo…  in snd_pcm_oss_write2()
1377 			if (copy_from_user(runtime->oss.buffer, (const char __force __user *)buf, bytes))  in snd_pcm_oss_write2()
1379 			buf = runtime->oss.buffer;  in snd_pcm_oss_write2()
1392 		frames = bytes_to_frames(runtime, bytes);  in snd_pcm_oss_write2()
1396 		bytes = frames_to_bytes(runtime, frames1);  in snd_pcm_oss_write2()
1405 	struct snd_pcm_runtime *runtime = substream->runtime;  in snd_pcm_oss_write1()  local
1410 	atomic_inc(&runtime->oss.rw_ref);  in snd_pcm_oss_write1()
1412 		if (mutex_lock_interruptible(&runtime->oss.params_lock)) {  in snd_pcm_oss_write1()
1419 		if (bytes < runtime->oss.period_bytes || runtime->oss.buffer_used > 0) {  in snd_pcm_oss_write1()
1421 			if (tmp + runtime->oss.buffer_used > runtime->oss.period_bytes)  in snd_pcm_oss_write1()
1422 				tmp = runtime->oss.period_bytes - runtime->oss.buffer_used;  in snd_pcm_oss_write1()
1424 				if (copy_from_user(runtime->oss.buffer + runtime->oss.buffer_used, buf, tmp)) {  in snd_pcm_oss_write1()
1429 			runtime->oss.buffer_used += tmp;  in snd_pcm_oss_write1()
1434 			    runtime->oss.buffer_used == runtime->oss.period_bytes) {  in snd_pcm_oss_write1()
1435 				tmp = snd_pcm_oss_write2(substream, runtime->oss.buffer + runtime->oss.period_ptr,   in snd_pcm_oss_write1()
1436 							 runtime->oss.buffer_used - runtime->oss.period_ptr, 1);  in snd_pcm_oss_write1()
1439 				runtime->oss.bytes += tmp;  in snd_pcm_oss_write1()
1440 				runtime->oss.period_ptr += tmp;  in snd_pcm_oss_write1()
1441 				runtime->oss.period_ptr %= runtime->oss.period_bytes;  in snd_pcm_oss_write1()
1442 				if (runtime->oss.period_ptr == 0 ||  in snd_pcm_oss_write1()
1443 				    runtime->oss.period_ptr == runtime->oss.buffer_used)  in snd_pcm_oss_write1()
1444 					runtime->oss.buffer_used = 0;  in snd_pcm_oss_write1()
1453 						 runtime->oss.period_bytes, 0);  in snd_pcm_oss_write1()
1456 			runtime->oss.bytes += tmp;  in snd_pcm_oss_write1()
1461 			    tmp != runtime->oss.period_bytes)  in snd_pcm_oss_write1()
1465 		mutex_unlock(&runtime->oss.params_lock);  in snd_pcm_oss_write1()
1474 	atomic_dec(&runtime->oss.rw_ref);  in snd_pcm_oss_write1()
1480 	struct snd_pcm_runtime *runtime = substream->runtime;  in snd_pcm_oss_read2()  local
1484 	if (runtime->oss.plugin_first) {  in snd_pcm_oss_read2()
1486 …size_t oss_frame_bytes = (runtime->oss.plugin_last->dst_width * runtime->oss.plugin_last->dst_form…  in snd_pcm_oss_read2()
1488 			buf = runtime->oss.buffer;  in snd_pcm_oss_read2()
1502 		frames = bytes_to_frames(runtime, bytes);  in snd_pcm_oss_read2()
1506 		bytes = frames_to_bytes(runtime, frames1);  in snd_pcm_oss_read2()
1515 	struct snd_pcm_runtime *runtime = substream->runtime;  in snd_pcm_oss_read1()  local
1520 	atomic_inc(&runtime->oss.rw_ref);  in snd_pcm_oss_read1()
1522 		if (mutex_lock_interruptible(&runtime->oss.params_lock)) {  in snd_pcm_oss_read1()
1529 		if (bytes < runtime->oss.period_bytes || runtime->oss.buffer_used > 0) {  in snd_pcm_oss_read1()
1530 			if (runtime->oss.buffer_used == 0) {  in snd_pcm_oss_read1()
1531 				tmp = snd_pcm_oss_read2(substream, runtime->oss.buffer, runtime->oss.period_bytes, 1);  in snd_pcm_oss_read1()
1534 				runtime->oss.bytes += tmp;  in snd_pcm_oss_read1()
1535 				runtime->oss.period_ptr = tmp;  in snd_pcm_oss_read1()
1536 				runtime->oss.buffer_used = tmp;  in snd_pcm_oss_read1()
1539 			if ((size_t) tmp > runtime->oss.buffer_used)  in snd_pcm_oss_read1()
1540 				tmp = runtime->oss.buffer_used;  in snd_pcm_oss_read1()
1541 …if (copy_to_user(buf, runtime->oss.buffer + (runtime->oss.period_ptr - runtime->oss.buffer_used), …  in snd_pcm_oss_read1()
1548 			runtime->oss.buffer_used -= tmp;  in snd_pcm_oss_read1()
1551 						runtime->oss.period_bytes, 0);  in snd_pcm_oss_read1()
1554 			runtime->oss.bytes += tmp;  in snd_pcm_oss_read1()
1560 		mutex_unlock(&runtime->oss.params_lock);  in snd_pcm_oss_read1()
1569 	atomic_dec(&runtime->oss.rw_ref);  in snd_pcm_oss_read1()
1576 	struct snd_pcm_runtime *runtime;  in snd_pcm_oss_reset()  local
1583 		runtime = substream->runtime;  in snd_pcm_oss_reset()
1585 		mutex_lock(&runtime->oss.params_lock);  in snd_pcm_oss_reset()
1586 		runtime->oss.prepare = 1;  in snd_pcm_oss_reset()
1587 		runtime->oss.buffer_used = 0;  in snd_pcm_oss_reset()
1588 		runtime->oss.prev_hw_ptr_period = 0;  in snd_pcm_oss_reset()
1589 		runtime->oss.period_ptr = 0;  in snd_pcm_oss_reset()
1590 		mutex_unlock(&runtime->oss.params_lock);  in snd_pcm_oss_reset()
1614 	struct snd_pcm_runtime *runtime;  in snd_pcm_oss_sync1()  local
1620 	runtime = substream->runtime;  in snd_pcm_oss_sync1()
1622 	add_wait_queue(&runtime->sleep, &wait);  in snd_pcm_oss_sync1()
1627 		result = snd_pcm_oss_write2(substream, runtime->oss.buffer, size, 1);  in snd_pcm_oss_sync1()
1629 			runtime->oss.buffer_used = 0;  in snd_pcm_oss_sync1()
1638 		state = runtime->state;  in snd_pcm_oss_sync1()
1656 	remove_wait_queue(&runtime->sleep, &wait);  in snd_pcm_oss_sync1()
1665 	struct snd_pcm_runtime *runtime;  in snd_pcm_oss_sync()  local
1672 		runtime = substream->runtime;  in snd_pcm_oss_sync()
1675 		atomic_inc(&runtime->oss.rw_ref);  in snd_pcm_oss_sync()
1676 		if (mutex_lock_interruptible(&runtime->oss.params_lock)) {  in snd_pcm_oss_sync()
1677 			atomic_dec(&runtime->oss.rw_ref);  in snd_pcm_oss_sync()
1683 		format = snd_pcm_oss_format_from(runtime->oss.format);  in snd_pcm_oss_sync()
1685 		if (runtime->oss.buffer_used > 0) {  in snd_pcm_oss_sync()
1689 			size = (8 * (runtime->oss.period_bytes - runtime->oss.buffer_used) + 7) / width;  in snd_pcm_oss_sync()
1691 						   runtime->oss.buffer + runtime->oss.buffer_used,  in snd_pcm_oss_sync()
1693 			err = snd_pcm_oss_sync1(substream, runtime->oss.period_bytes);  in snd_pcm_oss_sync()
1696 		} else if (runtime->oss.period_ptr > 0) {  in snd_pcm_oss_sync()
1700 			size = runtime->oss.period_bytes - runtime->oss.period_ptr;  in snd_pcm_oss_sync()
1702 						   runtime->oss.buffer,  in snd_pcm_oss_sync()
1712 		size = runtime->control->appl_ptr % runtime->period_size;  in snd_pcm_oss_sync()
1714 			size = runtime->period_size - size;  in snd_pcm_oss_sync()
1715 			if (runtime->access == SNDRV_PCM_ACCESS_RW_INTERLEAVED)  in snd_pcm_oss_sync()
1717 			else if (runtime->access == SNDRV_PCM_ACCESS_RW_NONINTERLEAVED)  in snd_pcm_oss_sync()
1721 		mutex_unlock(&runtime->oss.params_lock);  in snd_pcm_oss_sync()
1722 		atomic_dec(&runtime->oss.rw_ref);  in snd_pcm_oss_sync()
1735 		mutex_lock(&runtime->oss.params_lock);  in snd_pcm_oss_sync()
1736 		runtime->oss.prepare = 1;  in snd_pcm_oss_sync()
1737 		mutex_unlock(&runtime->oss.params_lock);  in snd_pcm_oss_sync()
1745 		runtime = substream->runtime;  in snd_pcm_oss_sync()
1749 		mutex_lock(&runtime->oss.params_lock);  in snd_pcm_oss_sync()
1750 		runtime->oss.buffer_used = 0;  in snd_pcm_oss_sync()
1751 		runtime->oss.prepare = 1;  in snd_pcm_oss_sync()
1752 		mutex_unlock(&runtime->oss.params_lock);  in snd_pcm_oss_sync()
1763 		struct snd_pcm_runtime *runtime;  in snd_pcm_oss_set_rate()  local
1768 		runtime = substream->runtime;  in snd_pcm_oss_set_rate()
1773 		err = lock_params(runtime);  in snd_pcm_oss_set_rate()
1776 		if (runtime->oss.rate != rate) {  in snd_pcm_oss_set_rate()
1777 			runtime->oss.params = 1;  in snd_pcm_oss_set_rate()
1778 			runtime->oss.rate = rate;  in snd_pcm_oss_set_rate()
1780 		unlock_params(runtime);  in snd_pcm_oss_set_rate()
1793 	return substream->runtime->oss.rate;  in snd_pcm_oss_get_rate()
1805 		struct snd_pcm_runtime *runtime;  in snd_pcm_oss_set_channels()  local
1810 		runtime = substream->runtime;  in snd_pcm_oss_set_channels()
1811 		err = lock_params(runtime);  in snd_pcm_oss_set_channels()
1814 		if (runtime->oss.channels != channels) {  in snd_pcm_oss_set_channels()
1815 			runtime->oss.params = 1;  in snd_pcm_oss_set_channels()
1816 			runtime->oss.channels = channels;  in snd_pcm_oss_set_channels()
1818 		unlock_params(runtime);  in snd_pcm_oss_set_channels()
1831 	return substream->runtime->oss.channels;  in snd_pcm_oss_get_channels()
1842 	return substream->runtime->oss.period_bytes;  in snd_pcm_oss_get_block_size()
1904 			struct snd_pcm_runtime *runtime;  in snd_pcm_oss_set_format()  local
1907 			runtime = substream->runtime;  in snd_pcm_oss_set_format()
1908 			err = lock_params(runtime);  in snd_pcm_oss_set_format()
1911 			if (runtime->oss.format != format) {  in snd_pcm_oss_set_format()
1912 				runtime->oss.params = 1;  in snd_pcm_oss_set_format()
1913 				runtime->oss.format = format;  in snd_pcm_oss_set_format()
1915 			unlock_params(runtime);  in snd_pcm_oss_set_format()
1929 	return substream->runtime->oss.format;  in snd_pcm_oss_get_format()
1934 	struct snd_pcm_runtime *runtime;  in snd_pcm_oss_set_subdivide1()  local
1936 	runtime = substream->runtime;  in snd_pcm_oss_set_subdivide1()
1938 		subdivide = runtime->oss.subdivision;  in snd_pcm_oss_set_subdivide1()
1943 	if (runtime->oss.subdivision || runtime->oss.fragshift)  in snd_pcm_oss_set_subdivide1()
1948 	runtime->oss.subdivision = subdivide;  in snd_pcm_oss_set_subdivide1()
1949 	runtime->oss.params = 1;  in snd_pcm_oss_set_subdivide1()
1959 		struct snd_pcm_runtime *runtime;  in snd_pcm_oss_set_subdivide()  local
1963 		runtime = substream->runtime;  in snd_pcm_oss_set_subdivide()
1964 		err = lock_params(runtime);  in snd_pcm_oss_set_subdivide()
1968 		unlock_params(runtime);  in snd_pcm_oss_set_subdivide()
1977 	struct snd_pcm_runtime *runtime;  in snd_pcm_oss_set_fragment1()  local
1980 	runtime = substream->runtime;  in snd_pcm_oss_set_fragment1()
1981 	if (runtime->oss.subdivision || runtime->oss.fragshift)  in snd_pcm_oss_set_fragment1()
1986 	runtime->oss.fragshift = fragshift;  in snd_pcm_oss_set_fragment1()
1987 	runtime->oss.maxfrags = (val >> 16) & 0xffff;  in snd_pcm_oss_set_fragment1()
1988 	if (runtime->oss.fragshift < 4)		/* < 16 */  in snd_pcm_oss_set_fragment1()
1989 		runtime->oss.fragshift = 4;  in snd_pcm_oss_set_fragment1()
1990 	if (runtime->oss.maxfrags < 2)  in snd_pcm_oss_set_fragment1()
1991 		runtime->oss.maxfrags = 2;  in snd_pcm_oss_set_fragment1()
1992 	runtime->oss.params = 1;  in snd_pcm_oss_set_fragment1()
2002 		struct snd_pcm_runtime *runtime;  in snd_pcm_oss_set_fragment()  local
2006 		runtime = substream->runtime;  in snd_pcm_oss_set_fragment()
2007 		err = lock_params(runtime);  in snd_pcm_oss_set_fragment()
2011 		unlock_params(runtime);  in snd_pcm_oss_set_fragment()
2042 		struct snd_pcm_runtime *runtime = substream->runtime;  in snd_pcm_oss_get_caps1()  local
2043 		if (runtime->info & (SNDRV_PCM_INFO_BLOCK_TRANSFER|SNDRV_PCM_INFO_BATCH))  in snd_pcm_oss_get_caps1()
2066 	struct snd_pcm_runtime *runtime = substream->runtime;  in snd_pcm_oss_simulate_fill()  local
2068 	appl_ptr = hw_ptr + runtime->buffer_size;  in snd_pcm_oss_simulate_fill()
2069 	appl_ptr %= runtime->boundary;  in snd_pcm_oss_simulate_fill()
2070 	runtime->control->appl_ptr = appl_ptr;  in snd_pcm_oss_simulate_fill()
2075 	struct snd_pcm_runtime *runtime;  in snd_pcm_oss_set_trigger()  local
2097       		runtime = psubstream->runtime;  in snd_pcm_oss_set_trigger()
2099 		if (mutex_lock_interruptible(&runtime->oss.params_lock))  in snd_pcm_oss_set_trigger()
2102 			if (runtime->oss.trigger)  in snd_pcm_oss_set_trigger()
2106 						get_hw_ptr_period(runtime));  in snd_pcm_oss_set_trigger()
2107 			runtime->oss.trigger = 1;  in snd_pcm_oss_set_trigger()
2108 			runtime->start_threshold = 1;  in snd_pcm_oss_set_trigger()
2111 			if (!runtime->oss.trigger)  in snd_pcm_oss_set_trigger()
2113 			runtime->oss.trigger = 0;  in snd_pcm_oss_set_trigger()
2114 			runtime->start_threshold = runtime->boundary;  in snd_pcm_oss_set_trigger()
2116 			runtime->oss.prepare = 1;  in snd_pcm_oss_set_trigger()
2119 		mutex_unlock(&runtime->oss.params_lock);  in snd_pcm_oss_set_trigger()
2127       		runtime = csubstream->runtime;  in snd_pcm_oss_set_trigger()
2129 		if (mutex_lock_interruptible(&runtime->oss.params_lock))  in snd_pcm_oss_set_trigger()
2132 			if (runtime->oss.trigger)  in snd_pcm_oss_set_trigger()
2134 			runtime->oss.trigger = 1;  in snd_pcm_oss_set_trigger()
2135 			runtime->start_threshold = 1;  in snd_pcm_oss_set_trigger()
2138 			if (!runtime->oss.trigger)  in snd_pcm_oss_set_trigger()
2140 			runtime->oss.trigger = 0;  in snd_pcm_oss_set_trigger()
2141 			runtime->start_threshold = runtime->boundary;  in snd_pcm_oss_set_trigger()
2143 			runtime->oss.prepare = 1;  in snd_pcm_oss_set_trigger()
2146 		mutex_unlock(&runtime->oss.params_lock);  in snd_pcm_oss_set_trigger()
2163 	if (psubstream && psubstream->runtime && psubstream->runtime->oss.trigger)  in snd_pcm_oss_get_trigger()
2165 	if (csubstream && csubstream->runtime && csubstream->runtime->oss.trigger)  in snd_pcm_oss_get_trigger()
2173 	struct snd_pcm_runtime *runtime;  in snd_pcm_oss_get_odelay()  local
2183 	runtime = substream->runtime;  in snd_pcm_oss_get_odelay()
2184 	if (runtime->oss.params || runtime->oss.prepare)  in snd_pcm_oss_get_odelay()
2197 	struct snd_pcm_runtime *runtime;  in snd_pcm_oss_get_ptr()  local
2211 	runtime = substream->runtime;  in snd_pcm_oss_get_ptr()
2212 	if (runtime->oss.params || runtime->oss.prepare) {  in snd_pcm_oss_get_ptr()
2225 			fixup = runtime->oss.buffer_used;  in snd_pcm_oss_get_ptr()
2229 		fixup = -runtime->oss.buffer_used;  in snd_pcm_oss_get_ptr()
2233 	info.ptr = snd_pcm_oss_bytes(substream, runtime->status->hw_ptr % runtime->buffer_size);  in snd_pcm_oss_get_ptr()
2236 		delay = get_hw_ptr_period(runtime);  in snd_pcm_oss_get_ptr()
2237 		n = delay - runtime->oss.prev_hw_ptr_period;  in snd_pcm_oss_get_ptr()
2239 			n += runtime->boundary;  in snd_pcm_oss_get_ptr()
2240 		info.blocks = n / runtime->period_size;  in snd_pcm_oss_get_ptr()
2241 		runtime->oss.prev_hw_ptr_period = delay;  in snd_pcm_oss_get_ptr()
2244 		info.bytes = snd_pcm_oss_bytes(substream, runtime->status->hw_ptr) & INT_MAX;  in snd_pcm_oss_get_ptr()
2249 				info.blocks = (runtime->oss.buffer_bytes - delay - fixup) / runtime->oss.period_bytes;  in snd_pcm_oss_get_ptr()
2251 				info.blocks = (delay + fixup) / runtime->oss.period_bytes;  in snd_pcm_oss_get_ptr()
2252 			info.bytes = (runtime->oss.bytes - delay) & INT_MAX;  in snd_pcm_oss_get_ptr()
2255 			info.blocks = delay / runtime->oss.period_bytes;  in snd_pcm_oss_get_ptr()
2256 			info.bytes = (runtime->oss.bytes + delay) & INT_MAX;  in snd_pcm_oss_get_ptr()
2267 	struct snd_pcm_runtime *runtime;  in snd_pcm_oss_get_space()  local
2278 	runtime = substream->runtime;  in snd_pcm_oss_get_space()
2280 	if (runtime->oss.params) {  in snd_pcm_oss_get_space()
2286 	info.fragsize = runtime->oss.period_bytes;  in snd_pcm_oss_get_space()
2287 	info.fragstotal = runtime->periods;  in snd_pcm_oss_get_space()
2288 	if (runtime->oss.prepare) {  in snd_pcm_oss_get_space()
2290 			info.bytes = runtime->oss.period_bytes * runtime->oss.periods;  in snd_pcm_oss_get_space()
2291 			info.fragments = runtime->oss.periods;  in snd_pcm_oss_get_space()
2300 				avail = runtime->buffer_size;  in snd_pcm_oss_get_space()
2304 				avail = runtime->buffer_size - avail;  in snd_pcm_oss_get_space()
2305 				fixup = -runtime->oss.buffer_used;  in snd_pcm_oss_get_space()
2309 			fixup = runtime->oss.buffer_used;  in snd_pcm_oss_get_space()
2314 		info.fragments = info.bytes / runtime->oss.period_bytes;  in snd_pcm_oss_get_space()
2374 	struct snd_pcm_runtime *runtime;  in snd_pcm_oss_init_substream()  local
2382 	runtime = substream->runtime;  in snd_pcm_oss_init_substream()
2383 	runtime->oss.params = 1;  in snd_pcm_oss_init_substream()
2384 	runtime->oss.trigger = 1;  in snd_pcm_oss_init_substream()
2385 	runtime->oss.rate = 8000;  in snd_pcm_oss_init_substream()
2386 	mutex_init(&runtime->oss.params_lock);  in snd_pcm_oss_init_substream()
2389 		runtime->oss.format = AFMT_U8;  in snd_pcm_oss_init_substream()
2392 		runtime->oss.format = AFMT_S16_LE;  in snd_pcm_oss_init_substream()
2395 		runtime->oss.format = AFMT_MU_LAW;  in snd_pcm_oss_init_substream()
2397 	runtime->oss.channels = 1;  in snd_pcm_oss_init_substream()
2398 	runtime->oss.fragshift = 0;  in snd_pcm_oss_init_substream()
2399 	runtime->oss.maxfrags = 0;  in snd_pcm_oss_init_substream()
2400 	runtime->oss.subdivision = 0;  in snd_pcm_oss_init_substream()
2402 	atomic_set(&runtime->oss.rw_ref, 0);  in snd_pcm_oss_init_substream()
2821 	struct snd_pcm_runtime *runtime = substream->runtime;  in snd_pcm_oss_playback_ready()  local
2823 		return runtime->oss.prev_hw_ptr_period !=  in snd_pcm_oss_playback_ready()
2824 						get_hw_ptr_period(runtime);  in snd_pcm_oss_playback_ready()
2826 		return snd_pcm_playback_avail(runtime) >=  in snd_pcm_oss_playback_ready()
2827 						runtime->oss.period_frames;  in snd_pcm_oss_playback_ready()
2832 	struct snd_pcm_runtime *runtime = substream->runtime;  in snd_pcm_oss_capture_ready()  local
2834 		return runtime->oss.prev_hw_ptr_period !=  in snd_pcm_oss_capture_ready()
2835 						get_hw_ptr_period(runtime);  in snd_pcm_oss_capture_ready()
2837 		return snd_pcm_capture_avail(runtime) >=  in snd_pcm_oss_capture_ready()
2838 						runtime->oss.period_frames;  in snd_pcm_oss_capture_ready()
2854 		struct snd_pcm_runtime *runtime = psubstream->runtime;  in snd_pcm_oss_poll()  local
2855 		poll_wait(file, &runtime->sleep, wait);  in snd_pcm_oss_poll()
2857 		if (runtime->state != SNDRV_PCM_STATE_DRAINING &&  in snd_pcm_oss_poll()
2858 		    (runtime->state != SNDRV_PCM_STATE_RUNNING ||  in snd_pcm_oss_poll()
2864 		struct snd_pcm_runtime *runtime = csubstream->runtime;  in snd_pcm_oss_poll()  local
2866 		poll_wait(file, &runtime->sleep, wait);  in snd_pcm_oss_poll()
2868 		ostate = runtime->state;  in snd_pcm_oss_poll()
2873 		if (ostate != SNDRV_PCM_STATE_RUNNING && runtime->oss.trigger) {  in snd_pcm_oss_poll()
2877 			runtime->oss.trigger = 0;  in snd_pcm_oss_poll()
2889 	struct snd_pcm_runtime *runtime;  in snd_pcm_oss_mmap()  local
2916 	runtime = substream->runtime;  in snd_pcm_oss_mmap()
2917 	if (!(runtime->info & SNDRV_PCM_INFO_MMAP_VALID))  in snd_pcm_oss_mmap()
2919 	if (runtime->info & SNDRV_PCM_INFO_INTERLEAVED)  in snd_pcm_oss_mmap()
2920 		runtime->access = SNDRV_PCM_ACCESS_MMAP_INTERLEAVED;  in snd_pcm_oss_mmap()
2924 	if (runtime->oss.params) {  in snd_pcm_oss_mmap()
2934 	if (runtime->oss.plugin_first != NULL)  in snd_pcm_oss_mmap()
2944 	runtime->oss.mmap_bytes = area->vm_end - area->vm_start;  in snd_pcm_oss_mmap()
2945 	runtime->silence_threshold = 0;  in snd_pcm_oss_mmap()
2946 	runtime->silence_size = 0;  in snd_pcm_oss_mmap()
2949 	       runtime->oss.mmap_bytes);  in snd_pcm_oss_mmap()
2952 	runtime->stop_threshold = runtime->boundary;  in snd_pcm_oss_mmap()