556 	struct snd_pcm_runtime *runtime = substream->runtime;  in snd_pcm_oss_plugin_clear()  local
559 	plugin = runtime->oss.plugin_first;  in snd_pcm_oss_plugin_clear()
565 	runtime->oss.plugin_first = runtime->oss.plugin_last = NULL;  in snd_pcm_oss_plugin_clear()
571 	struct snd_pcm_runtime *runtime = plugin->plug->runtime;  in snd_pcm_plugin_insert()  local
572 	plugin->next = runtime->oss.plugin_first;  in snd_pcm_plugin_insert()
574 	if (runtime->oss.plugin_first) {  in snd_pcm_plugin_insert()
575 		runtime->oss.plugin_first->prev = plugin;  in snd_pcm_plugin_insert()
576 		runtime->oss.plugin_first = plugin;  in snd_pcm_plugin_insert()
578 		runtime->oss.plugin_last =  in snd_pcm_plugin_insert()
579 		runtime->oss.plugin_first = plugin;  in snd_pcm_plugin_insert()
586 	struct snd_pcm_runtime *runtime = plugin->plug->runtime;  in snd_pcm_plugin_append()  local
588 	plugin->prev = runtime->oss.plugin_last;  in snd_pcm_plugin_append()
589 	if (runtime->oss.plugin_last) {  in snd_pcm_plugin_append()
590 		runtime->oss.plugin_last->next = plugin;  in snd_pcm_plugin_append()
591 		runtime->oss.plugin_last = plugin;  in snd_pcm_plugin_append()
593 		runtime->oss.plugin_last =  in snd_pcm_plugin_append()
594 		runtime->oss.plugin_first = plugin;  in snd_pcm_plugin_append()
602 	struct snd_pcm_runtime *runtime = substream->runtime;  in snd_pcm_oss_bytes()  local
604 	long bytes = frames_to_bytes(runtime, frames);  in snd_pcm_oss_bytes()
605 	if (buffer_size == runtime->oss.buffer_bytes)  in snd_pcm_oss_bytes()
608 	return runtime->oss.buffer_bytes * bytes / buffer_size;  in snd_pcm_oss_bytes()
611 		u64 bsize = (u64)runtime->oss.buffer_bytes * (u64)bytes;  in snd_pcm_oss_bytes()
619 	struct snd_pcm_runtime *runtime = substream->runtime;  in snd_pcm_alsa_frames()  local
621 	if (buffer_size == runtime->oss.buffer_bytes)  in snd_pcm_alsa_frames()
622 		return bytes_to_frames(runtime, bytes);  in snd_pcm_alsa_frames()
623 	return bytes_to_frames(runtime, (buffer_size * bytes) / runtime->oss.buffer_bytes);  in snd_pcm_alsa_frames()
627 snd_pcm_uframes_t get_hw_ptr_period(struct snd_pcm_runtime *runtime)  in get_hw_ptr_period()  argument
629 	return runtime->hw_ptr_interrupt;  in get_hw_ptr_period()
703 	struct snd_pcm_runtime *runtime = substream->runtime;  in snd_pcm_oss_period_size()  local
713 		if (oss_buffer_size > runtime->oss.mmap_bytes)  in snd_pcm_oss_period_size()
714 			oss_buffer_size = runtime->oss.mmap_bytes;  in snd_pcm_oss_period_size()
719 	else if (runtime->oss.fragshift) {  in snd_pcm_oss_period_size()
720 		oss_period_size = 1 << runtime->oss.fragshift;  in snd_pcm_oss_period_size()
731 		if (runtime->oss.subdivision == 0) {  in snd_pcm_oss_period_size()
738 			sd = runtime->oss.subdivision;  in snd_pcm_oss_period_size()
764 	if (runtime->oss.maxfrags && s > runtime->oss.maxfrags)  in snd_pcm_oss_period_size()
765 		s = runtime->oss.maxfrags;  in snd_pcm_oss_period_size()
780 	runtime->oss.period_bytes = oss_period_size;  in snd_pcm_oss_period_size()
781 	runtime->oss.period_frames = 1;  in snd_pcm_oss_period_size()
782 	runtime->oss.periods = oss_periods;  in snd_pcm_oss_period_size()
827 static int lock_params(struct snd_pcm_runtime *runtime)  in lock_params()  argument
829 	if (mutex_lock_interruptible(&runtime->oss.params_lock))  in lock_params()
831 	if (atomic_read(&runtime->oss.rw_ref)) {  in lock_params()
832 		mutex_unlock(&runtime->oss.params_lock);  in lock_params()
838 static void unlock_params(struct snd_pcm_runtime *runtime)  in unlock_params()  argument
840 	mutex_unlock(&runtime->oss.params_lock);  in unlock_params()
846 	struct snd_pcm_runtime *runtime = substream->runtime;  in snd_pcm_oss_change_params_locked()  local
858 	if (!runtime->oss.params)  in snd_pcm_oss_change_params_locked()
890 	choose_rate(substream, sparams, runtime->oss.rate);  in snd_pcm_oss_change_params_locked()
891 …snd_pcm_hw_param_near(substream, sparams, SNDRV_PCM_HW_PARAM_CHANNELS, runtime->oss.channels, NULL…  in snd_pcm_oss_change_params_locked()
893 	format = snd_pcm_oss_format_from(runtime->oss.format);  in snd_pcm_oss_change_params_locked()
927 				      (__force int)snd_pcm_oss_format_from(runtime->oss.format), 0);  in snd_pcm_oss_change_params_locked()
929 				      runtime->oss.channels, 0);  in snd_pcm_oss_change_params_locked()
931 				      runtime->oss.rate, 0);  in snd_pcm_oss_change_params_locked()
956 		if (runtime->oss.plugin_first) {  in snd_pcm_oss_change_params_locked()
981 	n = snd_pcm_plug_slave_size(substream, runtime->oss.period_bytes / oss_frame_size);  in snd_pcm_oss_change_params_locked()
987 				     runtime->oss.periods, NULL);  in snd_pcm_oss_change_params_locked()
998 	if (runtime->oss.trigger) {  in snd_pcm_oss_change_params_locked()
1001 		sw_params->start_threshold = runtime->boundary;  in snd_pcm_oss_change_params_locked()
1005 		sw_params->stop_threshold = runtime->boundary;  in snd_pcm_oss_change_params_locked()
1007 		sw_params->stop_threshold = runtime->buffer_size;  in snd_pcm_oss_change_params_locked()
1011 		1 : runtime->period_size;  in snd_pcm_oss_change_params_locked()
1018 		frames = runtime->period_size + 16;  in snd_pcm_oss_change_params_locked()
1019 		if (frames > runtime->buffer_size)  in snd_pcm_oss_change_params_locked()
1020 			frames = runtime->buffer_size;  in snd_pcm_oss_change_params_locked()
1030 	runtime->oss.periods = params_periods(sparams);  in snd_pcm_oss_change_params_locked()
1037 	if (runtime->oss.plugin_first) {  in snd_pcm_oss_change_params_locked()
1045 	oss_buffer_size = oss_period_size * runtime->oss.periods;  in snd_pcm_oss_change_params_locked()
1051 	runtime->oss.period_bytes = oss_period_size;  in snd_pcm_oss_change_params_locked()
1052 	runtime->oss.buffer_bytes = oss_buffer_size;  in snd_pcm_oss_change_params_locked()
1055 		 runtime->oss.period_bytes,  in snd_pcm_oss_change_params_locked()
1056 		 runtime->oss.buffer_bytes);  in snd_pcm_oss_change_params_locked()
1061 	runtime->oss.format = snd_pcm_oss_format_to(params_format(params));  in snd_pcm_oss_change_params_locked()
1062 	runtime->oss.channels = params_channels(params);  in snd_pcm_oss_change_params_locked()
1063 	runtime->oss.rate = params_rate(params);  in snd_pcm_oss_change_params_locked()
1065 	vfree(runtime->oss.buffer);  in snd_pcm_oss_change_params_locked()
1066 	runtime->oss.buffer = vmalloc(runtime->oss.period_bytes);  in snd_pcm_oss_change_params_locked()
1067 	if (!runtime->oss.buffer) {  in snd_pcm_oss_change_params_locked()
1072 	runtime->oss.params = 0;  in snd_pcm_oss_change_params_locked()
1073 	runtime->oss.prepare = 1;  in snd_pcm_oss_change_params_locked()
1074 	runtime->oss.buffer_used = 0;  in snd_pcm_oss_change_params_locked()
1075 	if (runtime->dma_area)  in snd_pcm_oss_change_params_locked()
1076 …snd_pcm_format_set_silence(runtime->format, runtime->dma_area, bytes_to_samples(runtime, runtime->…  in snd_pcm_oss_change_params_locked()
1078 	runtime->oss.period_frames = snd_pcm_alsa_frames(substream, oss_period_size);  in snd_pcm_oss_change_params_locked()
1092 	struct snd_pcm_runtime *runtime = substream->runtime;  in snd_pcm_oss_change_params()  local
1096 		if (!(mutex_trylock(&runtime->oss.params_lock)))  in snd_pcm_oss_change_params()
1098 	} else if (mutex_lock_interruptible(&runtime->oss.params_lock))  in snd_pcm_oss_change_params()
1102 	mutex_unlock(&runtime->oss.params_lock);  in snd_pcm_oss_change_params()
1117 		if (substream->runtime->oss.params) {  in snd_pcm_oss_get_active_substream()
1137 	struct snd_pcm_runtime *runtime = substream->runtime;  in snd_pcm_oss_prepare()  local
1145 	runtime->oss.prepare = 0;  in snd_pcm_oss_prepare()
1146 	runtime->oss.prev_hw_ptr_period = 0;  in snd_pcm_oss_prepare()
1147 	runtime->oss.period_ptr = 0;  in snd_pcm_oss_prepare()
1148 	runtime->oss.buffer_used = 0;  in snd_pcm_oss_prepare()
1155 	struct snd_pcm_runtime *runtime;  in snd_pcm_oss_make_ready()  local
1158 	runtime = substream->runtime;  in snd_pcm_oss_make_ready()
1159 	if (runtime->oss.params) {  in snd_pcm_oss_make_ready()
1164 	if (runtime->oss.prepare) {  in snd_pcm_oss_make_ready()
1165 		if (mutex_lock_interruptible(&runtime->oss.params_lock))  in snd_pcm_oss_make_ready()
1168 		mutex_unlock(&runtime->oss.params_lock);  in snd_pcm_oss_make_ready()
1178 	struct snd_pcm_runtime *runtime;  in snd_pcm_oss_make_ready_locked()  local
1181 	runtime = substream->runtime;  in snd_pcm_oss_make_ready_locked()
1182 	if (runtime->oss.params) {  in snd_pcm_oss_make_ready_locked()
1187 	if (runtime->oss.prepare) {  in snd_pcm_oss_make_ready_locked()
1197 	struct snd_pcm_runtime *runtime;  in snd_pcm_oss_capture_position_fixup()  local
1205 		runtime = substream->runtime;  in snd_pcm_oss_capture_position_fixup()
1206 		if (*delay <= (snd_pcm_sframes_t)runtime->buffer_size)  in snd_pcm_oss_capture_position_fixup()
1210 		frames = (*delay - runtime->buffer_size) + runtime->period_size - 1;  in snd_pcm_oss_capture_position_fixup()
1211 		frames /= runtime->period_size;  in snd_pcm_oss_capture_position_fixup()
1212 		frames *= runtime->period_size;  in snd_pcm_oss_capture_position_fixup()
1222 	struct snd_pcm_runtime *runtime = substream->runtime;  in snd_pcm_oss_write3()  local
1225 		if (runtime->status->state == SNDRV_PCM_STATE_XRUN ||  in snd_pcm_oss_write3()
1226 		    runtime->status->state == SNDRV_PCM_STATE_SUSPENDED) {  in snd_pcm_oss_write3()
1230 				runtime->status->state == SNDRV_PCM_STATE_XRUN ?  in snd_pcm_oss_write3()
1243 		if (runtime->status->state == SNDRV_PCM_STATE_PREPARED)  in snd_pcm_oss_write3()
1251 	struct snd_pcm_runtime *runtime = substream->runtime;  in snd_pcm_oss_read3()  local
1255 		if (runtime->status->state == SNDRV_PCM_STATE_XRUN ||  in snd_pcm_oss_read3()
1256 		    runtime->status->state == SNDRV_PCM_STATE_SUSPENDED) {  in snd_pcm_oss_read3()
1260 				runtime->status->state == SNDRV_PCM_STATE_XRUN ?  in snd_pcm_oss_read3()
1266 		} else if (runtime->status->state == SNDRV_PCM_STATE_SETUP) {  in snd_pcm_oss_read3()
1277 			if (runtime->status->state == SNDRV_PCM_STATE_DRAINING) {  in snd_pcm_oss_read3()
1293 	struct snd_pcm_runtime *runtime = substream->runtime;  in snd_pcm_oss_writev3()  local
1296 		if (runtime->status->state == SNDRV_PCM_STATE_XRUN ||  in snd_pcm_oss_writev3()
1297 		    runtime->status->state == SNDRV_PCM_STATE_SUSPENDED) {  in snd_pcm_oss_writev3()
1301 				runtime->status->state == SNDRV_PCM_STATE_XRUN ?  in snd_pcm_oss_writev3()
1314 		if (runtime->status->state == SNDRV_PCM_STATE_PREPARED)  in snd_pcm_oss_writev3()
1322 	struct snd_pcm_runtime *runtime = substream->runtime;  in snd_pcm_oss_readv3()  local
1325 		if (runtime->status->state == SNDRV_PCM_STATE_XRUN ||  in snd_pcm_oss_readv3()
1326 		    runtime->status->state == SNDRV_PCM_STATE_SUSPENDED) {  in snd_pcm_oss_readv3()
1330 				runtime->status->state == SNDRV_PCM_STATE_XRUN ?  in snd_pcm_oss_readv3()
1336 		} else if (runtime->status->state == SNDRV_PCM_STATE_SETUP) {  in snd_pcm_oss_readv3()
1351 	struct snd_pcm_runtime *runtime = substream->runtime;  in snd_pcm_oss_write2()  local
1354 	if (runtime->oss.plugin_first) {  in snd_pcm_oss_write2()
1356 …size_t oss_frame_bytes = (runtime->oss.plugin_first->src_width * runtime->oss.plugin_first->src_fo…  in snd_pcm_oss_write2()
1358 			if (copy_from_user(runtime->oss.buffer, (const char __force __user *)buf, bytes))  in snd_pcm_oss_write2()
1360 			buf = runtime->oss.buffer;  in snd_pcm_oss_write2()
1373 		frames = bytes_to_frames(runtime, bytes);  in snd_pcm_oss_write2()
1377 		bytes = frames_to_bytes(runtime, frames1);  in snd_pcm_oss_write2()
1386 	struct snd_pcm_runtime *runtime = substream->runtime;  in snd_pcm_oss_write1()  local
1391 	atomic_inc(&runtime->oss.rw_ref);  in snd_pcm_oss_write1()
1393 		if (mutex_lock_interruptible(&runtime->oss.params_lock)) {  in snd_pcm_oss_write1()
1400 		if (bytes < runtime->oss.period_bytes || runtime->oss.buffer_used > 0) {  in snd_pcm_oss_write1()
1402 			if (tmp + runtime->oss.buffer_used > runtime->oss.period_bytes)  in snd_pcm_oss_write1()
1403 				tmp = runtime->oss.period_bytes - runtime->oss.buffer_used;  in snd_pcm_oss_write1()
1405 				if (copy_from_user(runtime->oss.buffer + runtime->oss.buffer_used, buf, tmp)) {  in snd_pcm_oss_write1()
1410 			runtime->oss.buffer_used += tmp;  in snd_pcm_oss_write1()
1415 			    runtime->oss.buffer_used == runtime->oss.period_bytes) {  in snd_pcm_oss_write1()
1416 				tmp = snd_pcm_oss_write2(substream, runtime->oss.buffer + runtime->oss.period_ptr,   in snd_pcm_oss_write1()
1417 							 runtime->oss.buffer_used - runtime->oss.period_ptr, 1);  in snd_pcm_oss_write1()
1420 				runtime->oss.bytes += tmp;  in snd_pcm_oss_write1()
1421 				runtime->oss.period_ptr += tmp;  in snd_pcm_oss_write1()
1422 				runtime->oss.period_ptr %= runtime->oss.period_bytes;  in snd_pcm_oss_write1()
1423 				if (runtime->oss.period_ptr == 0 ||  in snd_pcm_oss_write1()
1424 				    runtime->oss.period_ptr == runtime->oss.buffer_used)  in snd_pcm_oss_write1()
1425 					runtime->oss.buffer_used = 0;  in snd_pcm_oss_write1()
1434 						 runtime->oss.period_bytes, 0);  in snd_pcm_oss_write1()
1437 			runtime->oss.bytes += tmp;  in snd_pcm_oss_write1()
1442 			    tmp != runtime->oss.period_bytes)  in snd_pcm_oss_write1()
1446 		mutex_unlock(&runtime->oss.params_lock);  in snd_pcm_oss_write1()
1455 	atomic_dec(&runtime->oss.rw_ref);  in snd_pcm_oss_write1()
1461 	struct snd_pcm_runtime *runtime = substream->runtime;  in snd_pcm_oss_read2()  local
1465 	if (runtime->oss.plugin_first) {  in snd_pcm_oss_read2()
1467 …size_t oss_frame_bytes = (runtime->oss.plugin_last->dst_width * runtime->oss.plugin_last->dst_form…  in snd_pcm_oss_read2()
1469 			buf = runtime->oss.buffer;  in snd_pcm_oss_read2()
1483 		frames = bytes_to_frames(runtime, bytes);  in snd_pcm_oss_read2()
1487 		bytes = frames_to_bytes(runtime, frames1);  in snd_pcm_oss_read2()
1496 	struct snd_pcm_runtime *runtime = substream->runtime;  in snd_pcm_oss_read1()  local
1501 	atomic_inc(&runtime->oss.rw_ref);  in snd_pcm_oss_read1()
1503 		if (mutex_lock_interruptible(&runtime->oss.params_lock)) {  in snd_pcm_oss_read1()
1510 		if (bytes < runtime->oss.period_bytes || runtime->oss.buffer_used > 0) {  in snd_pcm_oss_read1()
1511 			if (runtime->oss.buffer_used == 0) {  in snd_pcm_oss_read1()
1512 				tmp = snd_pcm_oss_read2(substream, runtime->oss.buffer, runtime->oss.period_bytes, 1);  in snd_pcm_oss_read1()
1515 				runtime->oss.bytes += tmp;  in snd_pcm_oss_read1()
1516 				runtime->oss.period_ptr = tmp;  in snd_pcm_oss_read1()
1517 				runtime->oss.buffer_used = tmp;  in snd_pcm_oss_read1()
1520 			if ((size_t) tmp > runtime->oss.buffer_used)  in snd_pcm_oss_read1()
1521 				tmp = runtime->oss.buffer_used;  in snd_pcm_oss_read1()
1522 …if (copy_to_user(buf, runtime->oss.buffer + (runtime->oss.period_ptr - runtime->oss.buffer_used), …  in snd_pcm_oss_read1()
1529 			runtime->oss.buffer_used -= tmp;  in snd_pcm_oss_read1()
1532 						runtime->oss.period_bytes, 0);  in snd_pcm_oss_read1()
1535 			runtime->oss.bytes += tmp;  in snd_pcm_oss_read1()
1541 		mutex_unlock(&runtime->oss.params_lock);  in snd_pcm_oss_read1()
1550 	atomic_dec(&runtime->oss.rw_ref);  in snd_pcm_oss_read1()
1557 	struct snd_pcm_runtime *runtime;  in snd_pcm_oss_reset()  local
1564 		runtime = substream->runtime;  in snd_pcm_oss_reset()
1566 		mutex_lock(&runtime->oss.params_lock);  in snd_pcm_oss_reset()
1567 		runtime->oss.prepare = 1;  in snd_pcm_oss_reset()
1568 		runtime->oss.buffer_used = 0;  in snd_pcm_oss_reset()
1569 		runtime->oss.prev_hw_ptr_period = 0;  in snd_pcm_oss_reset()
1570 		runtime->oss.period_ptr = 0;  in snd_pcm_oss_reset()
1571 		mutex_unlock(&runtime->oss.params_lock);  in snd_pcm_oss_reset()
1594 	struct snd_pcm_runtime *runtime;  in snd_pcm_oss_sync1()  local
1600 	runtime = substream->runtime;  in snd_pcm_oss_sync1()
1602 	add_wait_queue(&runtime->sleep, &wait);  in snd_pcm_oss_sync1()
1607 		result = snd_pcm_oss_write2(substream, runtime->oss.buffer, size, 1);  in snd_pcm_oss_sync1()
1609 			runtime->oss.buffer_used = 0;  in snd_pcm_oss_sync1()
1618 		state = runtime->status->state;  in snd_pcm_oss_sync1()
1636 	remove_wait_queue(&runtime->sleep, &wait);  in snd_pcm_oss_sync1()
1645 	struct snd_pcm_runtime *runtime;  in snd_pcm_oss_sync()  local
1652 		runtime = substream->runtime;  in snd_pcm_oss_sync()
1657 		atomic_inc(&runtime->oss.rw_ref);  in snd_pcm_oss_sync()
1658 		if (mutex_lock_interruptible(&runtime->oss.params_lock)) {  in snd_pcm_oss_sync()
1659 			atomic_dec(&runtime->oss.rw_ref);  in snd_pcm_oss_sync()
1662 		format = snd_pcm_oss_format_from(runtime->oss.format);  in snd_pcm_oss_sync()
1664 		if (runtime->oss.buffer_used > 0) {  in snd_pcm_oss_sync()
1668 			size = (8 * (runtime->oss.period_bytes - runtime->oss.buffer_used) + 7) / width;  in snd_pcm_oss_sync()
1670 						   runtime->oss.buffer + runtime->oss.buffer_used,  in snd_pcm_oss_sync()
1672 			err = snd_pcm_oss_sync1(substream, runtime->oss.period_bytes);  in snd_pcm_oss_sync()
1675 		} else if (runtime->oss.period_ptr > 0) {  in snd_pcm_oss_sync()
1679 			size = runtime->oss.period_bytes - runtime->oss.period_ptr;  in snd_pcm_oss_sync()
1681 						   runtime->oss.buffer,  in snd_pcm_oss_sync()
1691 		size = runtime->control->appl_ptr % runtime->period_size;  in snd_pcm_oss_sync()
1693 			size = runtime->period_size - size;  in snd_pcm_oss_sync()
1694 			if (runtime->access == SNDRV_PCM_ACCESS_RW_INTERLEAVED)  in snd_pcm_oss_sync()
1696 			else if (runtime->access == SNDRV_PCM_ACCESS_RW_NONINTERLEAVED)  in snd_pcm_oss_sync()
1700 		mutex_unlock(&runtime->oss.params_lock);  in snd_pcm_oss_sync()
1701 		atomic_dec(&runtime->oss.rw_ref);  in snd_pcm_oss_sync()
1714 		mutex_lock(&runtime->oss.params_lock);  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()
1723 		runtime = substream->runtime;  in snd_pcm_oss_sync()
1727 		mutex_lock(&runtime->oss.params_lock);  in snd_pcm_oss_sync()
1728 		runtime->oss.buffer_used = 0;  in snd_pcm_oss_sync()
1729 		runtime->oss.prepare = 1;  in snd_pcm_oss_sync()
1730 		mutex_unlock(&runtime->oss.params_lock);  in snd_pcm_oss_sync()
1741 		struct snd_pcm_runtime *runtime;  in snd_pcm_oss_set_rate()  local
1746 		runtime = substream->runtime;  in snd_pcm_oss_set_rate()
1751 		err = lock_params(runtime);  in snd_pcm_oss_set_rate()
1754 		if (runtime->oss.rate != rate) {  in snd_pcm_oss_set_rate()
1755 			runtime->oss.params = 1;  in snd_pcm_oss_set_rate()
1756 			runtime->oss.rate = rate;  in snd_pcm_oss_set_rate()
1758 		unlock_params(runtime);  in snd_pcm_oss_set_rate()
1770 	return substream->runtime->oss.rate;  in snd_pcm_oss_get_rate()
1782 		struct snd_pcm_runtime *runtime;  in snd_pcm_oss_set_channels()  local
1787 		runtime = substream->runtime;  in snd_pcm_oss_set_channels()
1788 		err = lock_params(runtime);  in snd_pcm_oss_set_channels()
1791 		if (runtime->oss.channels != channels) {  in snd_pcm_oss_set_channels()
1792 			runtime->oss.params = 1;  in snd_pcm_oss_set_channels()
1793 			runtime->oss.channels = channels;  in snd_pcm_oss_set_channels()
1795 		unlock_params(runtime);  in snd_pcm_oss_set_channels()
1807 	return substream->runtime->oss.channels;  in snd_pcm_oss_get_channels()
1817 	return substream->runtime->oss.period_bytes;  in snd_pcm_oss_get_block_size()
1878 			struct snd_pcm_runtime *runtime;  in snd_pcm_oss_set_format()  local
1881 			runtime = substream->runtime;  in snd_pcm_oss_set_format()
1882 			err = lock_params(runtime);  in snd_pcm_oss_set_format()
1885 			if (runtime->oss.format != format) {  in snd_pcm_oss_set_format()
1886 				runtime->oss.params = 1;  in snd_pcm_oss_set_format()
1887 				runtime->oss.format = format;  in snd_pcm_oss_set_format()
1889 			unlock_params(runtime);  in snd_pcm_oss_set_format()
1902 	return substream->runtime->oss.format;  in snd_pcm_oss_get_format()
1907 	struct snd_pcm_runtime *runtime;  in snd_pcm_oss_set_subdivide1()  local
1909 	runtime = substream->runtime;  in snd_pcm_oss_set_subdivide1()
1911 		subdivide = runtime->oss.subdivision;  in snd_pcm_oss_set_subdivide1()
1916 	if (runtime->oss.subdivision || runtime->oss.fragshift)  in snd_pcm_oss_set_subdivide1()
1921 	runtime->oss.subdivision = subdivide;  in snd_pcm_oss_set_subdivide1()
1922 	runtime->oss.params = 1;  in snd_pcm_oss_set_subdivide1()
1932 		struct snd_pcm_runtime *runtime;  in snd_pcm_oss_set_subdivide()  local
1936 		runtime = substream->runtime;  in snd_pcm_oss_set_subdivide()
1937 		err = lock_params(runtime);  in snd_pcm_oss_set_subdivide()
1941 		unlock_params(runtime);  in snd_pcm_oss_set_subdivide()
1950 	struct snd_pcm_runtime *runtime;  in snd_pcm_oss_set_fragment1()  local
1952 	runtime = substream->runtime;  in snd_pcm_oss_set_fragment1()
1953 	if (runtime->oss.subdivision || runtime->oss.fragshift)  in snd_pcm_oss_set_fragment1()
1955 	runtime->oss.fragshift = val & 0xffff;  in snd_pcm_oss_set_fragment1()
1956 	runtime->oss.maxfrags = (val >> 16) & 0xffff;  in snd_pcm_oss_set_fragment1()
1957 	if (runtime->oss.fragshift < 4)		/* < 16 */  in snd_pcm_oss_set_fragment1()
1958 		runtime->oss.fragshift = 4;  in snd_pcm_oss_set_fragment1()
1959 	if (runtime->oss.maxfrags < 2)  in snd_pcm_oss_set_fragment1()
1960 		runtime->oss.maxfrags = 2;  in snd_pcm_oss_set_fragment1()
1961 	runtime->oss.params = 1;  in snd_pcm_oss_set_fragment1()
1971 		struct snd_pcm_runtime *runtime;  in snd_pcm_oss_set_fragment()  local
1975 		runtime = substream->runtime;  in snd_pcm_oss_set_fragment()
1976 		err = lock_params(runtime);  in snd_pcm_oss_set_fragment()
1980 		unlock_params(runtime);  in snd_pcm_oss_set_fragment()
2011 		struct snd_pcm_runtime *runtime = substream->runtime;  in snd_pcm_oss_get_caps1()  local
2012 		if (runtime->info & (SNDRV_PCM_INFO_BLOCK_TRANSFER|SNDRV_PCM_INFO_BATCH))  in snd_pcm_oss_get_caps1()
2035 	struct snd_pcm_runtime *runtime = substream->runtime;  in snd_pcm_oss_simulate_fill()  local
2037 	appl_ptr = hw_ptr + runtime->buffer_size;  in snd_pcm_oss_simulate_fill()
2038 	appl_ptr %= runtime->boundary;  in snd_pcm_oss_simulate_fill()
2039 	runtime->control->appl_ptr = appl_ptr;  in snd_pcm_oss_simulate_fill()
2044 	struct snd_pcm_runtime *runtime;  in snd_pcm_oss_set_trigger()  local
2064       		runtime = psubstream->runtime;  in snd_pcm_oss_set_trigger()
2066 		if (mutex_lock_interruptible(&runtime->oss.params_lock))  in snd_pcm_oss_set_trigger()
2069 			if (runtime->oss.trigger)  in snd_pcm_oss_set_trigger()
2073 						get_hw_ptr_period(runtime));  in snd_pcm_oss_set_trigger()
2074 			runtime->oss.trigger = 1;  in snd_pcm_oss_set_trigger()
2075 			runtime->start_threshold = 1;  in snd_pcm_oss_set_trigger()
2078 			if (!runtime->oss.trigger)  in snd_pcm_oss_set_trigger()
2080 			runtime->oss.trigger = 0;  in snd_pcm_oss_set_trigger()
2081 			runtime->start_threshold = runtime->boundary;  in snd_pcm_oss_set_trigger()
2083 			runtime->oss.prepare = 1;  in snd_pcm_oss_set_trigger()
2086 		mutex_unlock(&runtime->oss.params_lock);  in snd_pcm_oss_set_trigger()
2094       		runtime = csubstream->runtime;  in snd_pcm_oss_set_trigger()
2096 		if (mutex_lock_interruptible(&runtime->oss.params_lock))  in snd_pcm_oss_set_trigger()
2099 			if (runtime->oss.trigger)  in snd_pcm_oss_set_trigger()
2101 			runtime->oss.trigger = 1;  in snd_pcm_oss_set_trigger()
2102 			runtime->start_threshold = 1;  in snd_pcm_oss_set_trigger()
2105 			if (!runtime->oss.trigger)  in snd_pcm_oss_set_trigger()
2107 			runtime->oss.trigger = 0;  in snd_pcm_oss_set_trigger()
2108 			runtime->start_threshold = runtime->boundary;  in snd_pcm_oss_set_trigger()
2110 			runtime->oss.prepare = 1;  in snd_pcm_oss_set_trigger()
2113 		mutex_unlock(&runtime->oss.params_lock);  in snd_pcm_oss_set_trigger()
2130 	if (psubstream && psubstream->runtime && psubstream->runtime->oss.trigger)  in snd_pcm_oss_get_trigger()
2132 	if (csubstream && csubstream->runtime && csubstream->runtime->oss.trigger)  in snd_pcm_oss_get_trigger()
2140 	struct snd_pcm_runtime *runtime;  in snd_pcm_oss_get_odelay()  local
2149 	runtime = substream->runtime;  in snd_pcm_oss_get_odelay()
2150 	if (runtime->oss.params || runtime->oss.prepare)  in snd_pcm_oss_get_odelay()
2163 	struct snd_pcm_runtime *runtime;  in snd_pcm_oss_get_ptr()  local
2176 	runtime = substream->runtime;  in snd_pcm_oss_get_ptr()
2177 	if (runtime->oss.params || runtime->oss.prepare) {  in snd_pcm_oss_get_ptr()
2190 			fixup = runtime->oss.buffer_used;  in snd_pcm_oss_get_ptr()
2194 		fixup = -runtime->oss.buffer_used;  in snd_pcm_oss_get_ptr()
2198 	info.ptr = snd_pcm_oss_bytes(substream, runtime->status->hw_ptr % runtime->buffer_size);  in snd_pcm_oss_get_ptr()
2201 		delay = get_hw_ptr_period(runtime);  in snd_pcm_oss_get_ptr()
2202 		n = delay - runtime->oss.prev_hw_ptr_period;  in snd_pcm_oss_get_ptr()
2204 			n += runtime->boundary;  in snd_pcm_oss_get_ptr()
2205 		info.blocks = n / runtime->period_size;  in snd_pcm_oss_get_ptr()
2206 		runtime->oss.prev_hw_ptr_period = delay;  in snd_pcm_oss_get_ptr()
2209 		info.bytes = snd_pcm_oss_bytes(substream, runtime->status->hw_ptr) & INT_MAX;  in snd_pcm_oss_get_ptr()
2214 				info.blocks = (runtime->oss.buffer_bytes - delay - fixup) / runtime->oss.period_bytes;  in snd_pcm_oss_get_ptr()
2216 				info.blocks = (delay + fixup) / runtime->oss.period_bytes;  in snd_pcm_oss_get_ptr()
2217 			info.bytes = (runtime->oss.bytes - delay) & INT_MAX;  in snd_pcm_oss_get_ptr()
2220 			info.blocks = delay / runtime->oss.period_bytes;  in snd_pcm_oss_get_ptr()
2221 			info.bytes = (runtime->oss.bytes + delay) & INT_MAX;  in snd_pcm_oss_get_ptr()
2232 	struct snd_pcm_runtime *runtime;  in snd_pcm_oss_get_space()  local
2243 	runtime = substream->runtime;  in snd_pcm_oss_get_space()
2245 	if (runtime->oss.params &&  in snd_pcm_oss_get_space()
2249 	info.fragsize = runtime->oss.period_bytes;  in snd_pcm_oss_get_space()
2250 	info.fragstotal = runtime->periods;  in snd_pcm_oss_get_space()
2251 	if (runtime->oss.prepare) {  in snd_pcm_oss_get_space()
2253 			info.bytes = runtime->oss.period_bytes * runtime->oss.periods;  in snd_pcm_oss_get_space()
2254 			info.fragments = runtime->oss.periods;  in snd_pcm_oss_get_space()
2263 				avail = runtime->buffer_size;  in snd_pcm_oss_get_space()
2267 				avail = runtime->buffer_size - avail;  in snd_pcm_oss_get_space()
2268 				fixup = -runtime->oss.buffer_used;  in snd_pcm_oss_get_space()
2272 			fixup = runtime->oss.buffer_used;  in snd_pcm_oss_get_space()
2277 		info.fragments = info.bytes / runtime->oss.period_bytes;  in snd_pcm_oss_get_space()
2329 	struct snd_pcm_runtime *runtime;  in snd_pcm_oss_release_substream()  local
2330 	runtime = substream->runtime;  in snd_pcm_oss_release_substream()
2331 	vfree(runtime->oss.buffer);  in snd_pcm_oss_release_substream()
2332 	runtime->oss.buffer = NULL;  in snd_pcm_oss_release_substream()
2343 	struct snd_pcm_runtime *runtime;  in snd_pcm_oss_init_substream()  local
2351 	runtime = substream->runtime;  in snd_pcm_oss_init_substream()
2352 	runtime->oss.params = 1;  in snd_pcm_oss_init_substream()
2353 	runtime->oss.trigger = 1;  in snd_pcm_oss_init_substream()
2354 	runtime->oss.rate = 8000;  in snd_pcm_oss_init_substream()
2355 	mutex_init(&runtime->oss.params_lock);  in snd_pcm_oss_init_substream()
2358 		runtime->oss.format = AFMT_U8;  in snd_pcm_oss_init_substream()
2361 		runtime->oss.format = AFMT_S16_LE;  in snd_pcm_oss_init_substream()
2364 		runtime->oss.format = AFMT_MU_LAW;  in snd_pcm_oss_init_substream()
2366 	runtime->oss.channels = 1;  in snd_pcm_oss_init_substream()
2367 	runtime->oss.fragshift = 0;  in snd_pcm_oss_init_substream()
2368 	runtime->oss.maxfrags = 0;  in snd_pcm_oss_init_substream()
2369 	runtime->oss.subdivision = 0;  in snd_pcm_oss_init_substream()
2371 	atomic_set(&runtime->oss.rw_ref, 0);  in snd_pcm_oss_init_substream()
2785 	struct snd_pcm_runtime *runtime = substream->runtime;  in snd_pcm_oss_playback_ready()  local
2787 		return runtime->oss.prev_hw_ptr_period !=  in snd_pcm_oss_playback_ready()
2788 						get_hw_ptr_period(runtime);  in snd_pcm_oss_playback_ready()
2790 		return snd_pcm_playback_avail(runtime) >=  in snd_pcm_oss_playback_ready()
2791 						runtime->oss.period_frames;  in snd_pcm_oss_playback_ready()
2796 	struct snd_pcm_runtime *runtime = substream->runtime;  in snd_pcm_oss_capture_ready()  local
2798 		return runtime->oss.prev_hw_ptr_period !=  in snd_pcm_oss_capture_ready()
2799 						get_hw_ptr_period(runtime);  in snd_pcm_oss_capture_ready()
2801 		return snd_pcm_capture_avail(runtime) >=  in snd_pcm_oss_capture_ready()
2802 						runtime->oss.period_frames;  in snd_pcm_oss_capture_ready()
2818 		struct snd_pcm_runtime *runtime = psubstream->runtime;  in snd_pcm_oss_poll()  local
2819 		poll_wait(file, &runtime->sleep, wait);  in snd_pcm_oss_poll()
2821 		if (runtime->status->state != SNDRV_PCM_STATE_DRAINING &&  in snd_pcm_oss_poll()
2822 		    (runtime->status->state != SNDRV_PCM_STATE_RUNNING ||  in snd_pcm_oss_poll()
2828 		struct snd_pcm_runtime *runtime = csubstream->runtime;  in snd_pcm_oss_poll()  local
2830 		poll_wait(file, &runtime->sleep, wait);  in snd_pcm_oss_poll()
2832 		if ((ostate = runtime->status->state) != SNDRV_PCM_STATE_RUNNING ||  in snd_pcm_oss_poll()
2836 		if (ostate != SNDRV_PCM_STATE_RUNNING && runtime->oss.trigger) {  in snd_pcm_oss_poll()
2840 			runtime->oss.trigger = 0;  in snd_pcm_oss_poll()
2852 	struct snd_pcm_runtime *runtime;  in snd_pcm_oss_mmap()  local
2879 	runtime = substream->runtime;  in snd_pcm_oss_mmap()
2880 	if (!(runtime->info & SNDRV_PCM_INFO_MMAP_VALID))  in snd_pcm_oss_mmap()
2882 	if (runtime->info & SNDRV_PCM_INFO_INTERLEAVED)  in snd_pcm_oss_mmap()
2883 		runtime->access = SNDRV_PCM_ACCESS_MMAP_INTERLEAVED;  in snd_pcm_oss_mmap()
2887 	if (runtime->oss.params) {  in snd_pcm_oss_mmap()
2897 	if (runtime->oss.plugin_first != NULL)  in snd_pcm_oss_mmap()
2907 	runtime->oss.mmap_bytes = area->vm_end - area->vm_start;  in snd_pcm_oss_mmap()
2908 	runtime->silence_threshold = 0;  in snd_pcm_oss_mmap()
2909 	runtime->silence_size = 0;  in snd_pcm_oss_mmap()
2912 	       runtime->oss.mmap_bytes);  in snd_pcm_oss_mmap()
2915 	runtime->stop_threshold = runtime->boundary;  in snd_pcm_oss_mmap()