90 	struct snd_rawmidi_runtime *runtime = substream->runtime;  in snd_rawmidi_ready()  local
91 	return runtime->avail >= runtime->avail_min;  in snd_rawmidi_ready()
97 	struct snd_rawmidi_runtime *runtime = substream->runtime;  in snd_rawmidi_ready_append()  local
98 	return runtime->avail >= runtime->avail_min &&  in snd_rawmidi_ready_append()
99 	       (!substream->append || runtime->avail >= count);  in snd_rawmidi_ready_append()
104 	struct snd_rawmidi_runtime *runtime =  in snd_rawmidi_input_event_work()  local
106 	if (runtime->event)  in snd_rawmidi_input_event_work()
107 		runtime->event(runtime->substream);  in snd_rawmidi_input_event_work()
112 	struct snd_rawmidi_runtime *runtime;  in snd_rawmidi_runtime_create()  local
114 	if ((runtime = kzalloc(sizeof(*runtime), GFP_KERNEL)) == NULL)  in snd_rawmidi_runtime_create()
116 	runtime->substream = substream;  in snd_rawmidi_runtime_create()
117 	spin_lock_init(&runtime->lock);  in snd_rawmidi_runtime_create()
118 	init_waitqueue_head(&runtime->sleep);  in snd_rawmidi_runtime_create()
119 	INIT_WORK(&runtime->event_work, snd_rawmidi_input_event_work);  in snd_rawmidi_runtime_create()
120 	runtime->event = NULL;  in snd_rawmidi_runtime_create()
121 	runtime->buffer_size = PAGE_SIZE;  in snd_rawmidi_runtime_create()
122 	runtime->avail_min = 1;  in snd_rawmidi_runtime_create()
124 		runtime->avail = 0;  in snd_rawmidi_runtime_create()
126 		runtime->avail = runtime->buffer_size;  in snd_rawmidi_runtime_create()
127 	if ((runtime->buffer = kmalloc(runtime->buffer_size, GFP_KERNEL)) == NULL) {  in snd_rawmidi_runtime_create()
128 		kfree(runtime);  in snd_rawmidi_runtime_create()
131 	runtime->appl_ptr = runtime->hw_ptr = 0;  in snd_rawmidi_runtime_create()
132 	substream->runtime = runtime;  in snd_rawmidi_runtime_create()
138 	struct snd_rawmidi_runtime *runtime = substream->runtime;  in snd_rawmidi_runtime_free()  local
140 	kfree(runtime->buffer);  in snd_rawmidi_runtime_free()
141 	kfree(runtime);  in snd_rawmidi_runtime_free()
142 	substream->runtime = NULL;  in snd_rawmidi_runtime_free()
159 		cancel_work_sync(&substream->runtime->event_work);  in snd_rawmidi_input_trigger()
165 	struct snd_rawmidi_runtime *runtime = substream->runtime;  in snd_rawmidi_drop_output()  local
168 	runtime->drain = 0;  in snd_rawmidi_drop_output()
169 	spin_lock_irqsave(&runtime->lock, flags);  in snd_rawmidi_drop_output()
170 	runtime->appl_ptr = runtime->hw_ptr = 0;  in snd_rawmidi_drop_output()
171 	runtime->avail = runtime->buffer_size;  in snd_rawmidi_drop_output()
172 	spin_unlock_irqrestore(&runtime->lock, flags);  in snd_rawmidi_drop_output()
181 	struct snd_rawmidi_runtime *runtime = substream->runtime;  in snd_rawmidi_drain_output()  local
184 	runtime->drain = 1;  in snd_rawmidi_drain_output()
185 	timeout = wait_event_interruptible_timeout(runtime->sleep,  in snd_rawmidi_drain_output()
186 				(runtime->avail >= runtime->buffer_size),  in snd_rawmidi_drain_output()
190 	if (runtime->avail < runtime->buffer_size && !timeout) {  in snd_rawmidi_drain_output()
193 			   (long)runtime->avail, (long)runtime->buffer_size);  in snd_rawmidi_drain_output()
196 	runtime->drain = 0;  in snd_rawmidi_drain_output()
212 	struct snd_rawmidi_runtime *runtime = substream->runtime;  in snd_rawmidi_drain_input()  local
215 	runtime->drain = 0;  in snd_rawmidi_drain_input()
216 	spin_lock_irqsave(&runtime->lock, flags);  in snd_rawmidi_drain_input()
217 	runtime->appl_ptr = runtime->hw_ptr = 0;  in snd_rawmidi_drain_input()
218 	runtime->avail = 0;  in snd_rawmidi_drain_input()
219 	spin_unlock_irqrestore(&runtime->lock, flags);  in snd_rawmidi_drain_input()
445 	if (rawmidi_file->input && rawmidi_file->input->runtime)  in snd_rawmidi_open()
446 		rawmidi_file->input->runtime->oss = (maj == SOUND_MAJOR);  in snd_rawmidi_open()
447 	if (rawmidi_file->output && rawmidi_file->output->runtime)  in snd_rawmidi_open()
448 		rawmidi_file->output->runtime->oss = (maj == SOUND_MAJOR);  in snd_rawmidi_open()
487 	if (substream->runtime->private_free)  in close_substream()
488 		substream->runtime->private_free(substream);  in close_substream()
630 	struct snd_rawmidi_runtime *runtime = substream->runtime;  in snd_rawmidi_output_params()  local
641 	if (params->buffer_size != runtime->buffer_size) {  in snd_rawmidi_output_params()
642 		newbuf = krealloc(runtime->buffer, params->buffer_size,  in snd_rawmidi_output_params()
646 		runtime->buffer = newbuf;  in snd_rawmidi_output_params()
647 		runtime->buffer_size = params->buffer_size;  in snd_rawmidi_output_params()
648 		runtime->avail = runtime->buffer_size;  in snd_rawmidi_output_params()
650 	runtime->avail_min = params->avail_min;  in snd_rawmidi_output_params()
660 	struct snd_rawmidi_runtime *runtime = substream->runtime;  in snd_rawmidi_input_params()  local
669 	if (params->buffer_size != runtime->buffer_size) {  in snd_rawmidi_input_params()
670 		newbuf = krealloc(runtime->buffer, params->buffer_size,  in snd_rawmidi_input_params()
674 		runtime->buffer = newbuf;  in snd_rawmidi_input_params()
675 		runtime->buffer_size = params->buffer_size;  in snd_rawmidi_input_params()
677 	runtime->avail_min = params->avail_min;  in snd_rawmidi_input_params()
685 	struct snd_rawmidi_runtime *runtime = substream->runtime;  in snd_rawmidi_output_status()  local
689 	spin_lock_irq(&runtime->lock);  in snd_rawmidi_output_status()
690 	status->avail = runtime->avail;  in snd_rawmidi_output_status()
691 	spin_unlock_irq(&runtime->lock);  in snd_rawmidi_output_status()
698 	struct snd_rawmidi_runtime *runtime = substream->runtime;  in snd_rawmidi_input_status()  local
702 	spin_lock_irq(&runtime->lock);  in snd_rawmidi_input_status()
703 	status->avail = runtime->avail;  in snd_rawmidi_input_status()
704 	status->xruns = runtime->xruns;  in snd_rawmidi_input_status()
705 	runtime->xruns = 0;  in snd_rawmidi_input_status()
706 	spin_unlock_irq(&runtime->lock);  in snd_rawmidi_input_status()
879 	struct snd_rawmidi_runtime *runtime = substream->runtime;  in snd_rawmidi_receive()  local
883 	if (runtime->buffer == NULL) {  in snd_rawmidi_receive()
888 	spin_lock_irqsave(&runtime->lock, flags);  in snd_rawmidi_receive()
891 		if (runtime->avail < runtime->buffer_size) {  in snd_rawmidi_receive()
892 			runtime->buffer[runtime->hw_ptr++] = buffer[0];  in snd_rawmidi_receive()
893 			runtime->hw_ptr %= runtime->buffer_size;  in snd_rawmidi_receive()
894 			runtime->avail++;  in snd_rawmidi_receive()
897 			runtime->xruns++;  in snd_rawmidi_receive()
901 		count1 = runtime->buffer_size - runtime->hw_ptr;  in snd_rawmidi_receive()
904 		if (count1 > (int)(runtime->buffer_size - runtime->avail))  in snd_rawmidi_receive()
905 			count1 = runtime->buffer_size - runtime->avail;  in snd_rawmidi_receive()
906 		memcpy(runtime->buffer + runtime->hw_ptr, buffer, count1);  in snd_rawmidi_receive()
907 		runtime->hw_ptr += count1;  in snd_rawmidi_receive()
908 		runtime->hw_ptr %= runtime->buffer_size;  in snd_rawmidi_receive()
909 		runtime->avail += count1;  in snd_rawmidi_receive()
915 			if (count1 > (int)(runtime->buffer_size - runtime->avail)) {  in snd_rawmidi_receive()
916 				count1 = runtime->buffer_size - runtime->avail;  in snd_rawmidi_receive()
917 				runtime->xruns += count - count1;  in snd_rawmidi_receive()
920 				memcpy(runtime->buffer, buffer, count1);  in snd_rawmidi_receive()
921 				runtime->hw_ptr = count1;  in snd_rawmidi_receive()
922 				runtime->avail += count1;  in snd_rawmidi_receive()
928 		if (runtime->event)  in snd_rawmidi_receive()
929 			schedule_work(&runtime->event_work);  in snd_rawmidi_receive()
931 			wake_up(&runtime->sleep);  in snd_rawmidi_receive()
933 	spin_unlock_irqrestore(&runtime->lock, flags);  in snd_rawmidi_receive()
944 	struct snd_rawmidi_runtime *runtime = substream->runtime;  in snd_rawmidi_kernel_read1()  local
947 	spin_lock_irqsave(&runtime->lock, flags);  in snd_rawmidi_kernel_read1()
948 	while (count > 0 && runtime->avail) {  in snd_rawmidi_kernel_read1()
949 		count1 = runtime->buffer_size - runtime->appl_ptr;  in snd_rawmidi_kernel_read1()
952 		if (count1 > (int)runtime->avail)  in snd_rawmidi_kernel_read1()
953 			count1 = runtime->avail;  in snd_rawmidi_kernel_read1()
956 		appl_ptr = runtime->appl_ptr;  in snd_rawmidi_kernel_read1()
957 		runtime->appl_ptr += count1;  in snd_rawmidi_kernel_read1()
958 		runtime->appl_ptr %= runtime->buffer_size;  in snd_rawmidi_kernel_read1()
959 		runtime->avail -= count1;  in snd_rawmidi_kernel_read1()
962 			memcpy(kernelbuf + result, runtime->buffer + appl_ptr, count1);  in snd_rawmidi_kernel_read1()
964 			spin_unlock_irqrestore(&runtime->lock, flags);  in snd_rawmidi_kernel_read1()
966 					 runtime->buffer + appl_ptr, count1)) {  in snd_rawmidi_kernel_read1()
969 			spin_lock_irqsave(&runtime->lock, flags);  in snd_rawmidi_kernel_read1()
974 	spin_unlock_irqrestore(&runtime->lock, flags);  in snd_rawmidi_kernel_read1()
993 	struct snd_rawmidi_runtime *runtime;  in snd_rawmidi_read()  local
999 	runtime = substream->runtime;  in snd_rawmidi_read()
1003 		spin_lock_irq(&runtime->lock);  in snd_rawmidi_read()
1007 				spin_unlock_irq(&runtime->lock);  in snd_rawmidi_read()
1011 			add_wait_queue(&runtime->sleep, &wait);  in snd_rawmidi_read()
1013 			spin_unlock_irq(&runtime->lock);  in snd_rawmidi_read()
1015 			remove_wait_queue(&runtime->sleep, &wait);  in snd_rawmidi_read()
1020 			if (!runtime->avail)  in snd_rawmidi_read()
1022 			spin_lock_irq(&runtime->lock);  in snd_rawmidi_read()
1024 		spin_unlock_irq(&runtime->lock);  in snd_rawmidi_read()
1046 	struct snd_rawmidi_runtime *runtime = substream->runtime;  in snd_rawmidi_transmit_empty()  local
1050 	if (runtime->buffer == NULL) {  in snd_rawmidi_transmit_empty()
1055 	spin_lock_irqsave(&runtime->lock, flags);  in snd_rawmidi_transmit_empty()
1056 	result = runtime->avail >= runtime->buffer_size;  in snd_rawmidi_transmit_empty()
1057 	spin_unlock_irqrestore(&runtime->lock, flags);  in snd_rawmidi_transmit_empty()
1074 	struct snd_rawmidi_runtime *runtime = substream->runtime;  in __snd_rawmidi_transmit_peek()  local
1076 	if (runtime->buffer == NULL) {  in __snd_rawmidi_transmit_peek()
1082 	if (runtime->avail >= runtime->buffer_size) {  in __snd_rawmidi_transmit_peek()
1087 		*buffer = runtime->buffer[runtime->hw_ptr];  in __snd_rawmidi_transmit_peek()
1090 		count1 = runtime->buffer_size - runtime->hw_ptr;  in __snd_rawmidi_transmit_peek()
1093 		if (count1 > (int)(runtime->buffer_size - runtime->avail))  in __snd_rawmidi_transmit_peek()
1094 			count1 = runtime->buffer_size - runtime->avail;  in __snd_rawmidi_transmit_peek()
1095 		memcpy(buffer, runtime->buffer + runtime->hw_ptr, count1);  in __snd_rawmidi_transmit_peek()
1099 			if (count > (int)(runtime->buffer_size - runtime->avail - count1))  in __snd_rawmidi_transmit_peek()
1100 				count = runtime->buffer_size - runtime->avail - count1;  in __snd_rawmidi_transmit_peek()
1101 			memcpy(buffer + count1, runtime->buffer, count);  in __snd_rawmidi_transmit_peek()
1127 	struct snd_rawmidi_runtime *runtime = substream->runtime;  in snd_rawmidi_transmit_peek()  local
1131 	spin_lock_irqsave(&runtime->lock, flags);  in snd_rawmidi_transmit_peek()
1133 	spin_unlock_irqrestore(&runtime->lock, flags);  in snd_rawmidi_transmit_peek()
1147 	struct snd_rawmidi_runtime *runtime = substream->runtime;  in __snd_rawmidi_transmit_ack()  local
1149 	if (runtime->buffer == NULL) {  in __snd_rawmidi_transmit_ack()
1154 	snd_BUG_ON(runtime->avail + count > runtime->buffer_size);  in __snd_rawmidi_transmit_ack()
1155 	runtime->hw_ptr += count;  in __snd_rawmidi_transmit_ack()
1156 	runtime->hw_ptr %= runtime->buffer_size;  in __snd_rawmidi_transmit_ack()
1157 	runtime->avail += count;  in __snd_rawmidi_transmit_ack()
1160 		if (runtime->drain || snd_rawmidi_ready(substream))  in __snd_rawmidi_transmit_ack()
1161 			wake_up(&runtime->sleep);  in __snd_rawmidi_transmit_ack()
1180 	struct snd_rawmidi_runtime *runtime = substream->runtime;  in snd_rawmidi_transmit_ack()  local
1184 	spin_lock_irqsave(&runtime->lock, flags);  in snd_rawmidi_transmit_ack()
1186 	spin_unlock_irqrestore(&runtime->lock, flags);  in snd_rawmidi_transmit_ack()
1204 	struct snd_rawmidi_runtime *runtime = substream->runtime;  in snd_rawmidi_transmit()  local
1208 	spin_lock_irqsave(&runtime->lock, flags);  in snd_rawmidi_transmit()
1218 	spin_unlock_irqrestore(&runtime->lock, flags);  in snd_rawmidi_transmit()
1230 	struct snd_rawmidi_runtime *runtime = substream->runtime;  in snd_rawmidi_kernel_write1()  local
1235 	if (snd_BUG_ON(!runtime->buffer))  in snd_rawmidi_kernel_write1()
1239 	spin_lock_irqsave(&runtime->lock, flags);  in snd_rawmidi_kernel_write1()
1241 		if ((long)runtime->avail < count) {  in snd_rawmidi_kernel_write1()
1242 			spin_unlock_irqrestore(&runtime->lock, flags);  in snd_rawmidi_kernel_write1()
1246 	while (count > 0 && runtime->avail > 0) {  in snd_rawmidi_kernel_write1()
1247 		count1 = runtime->buffer_size - runtime->appl_ptr;  in snd_rawmidi_kernel_write1()
1250 		if (count1 > (long)runtime->avail)  in snd_rawmidi_kernel_write1()
1251 			count1 = runtime->avail;  in snd_rawmidi_kernel_write1()
1254 		appl_ptr = runtime->appl_ptr;  in snd_rawmidi_kernel_write1()
1255 		runtime->appl_ptr += count1;  in snd_rawmidi_kernel_write1()
1256 		runtime->appl_ptr %= runtime->buffer_size;  in snd_rawmidi_kernel_write1()
1257 		runtime->avail -= count1;  in snd_rawmidi_kernel_write1()
1260 			memcpy(runtime->buffer + appl_ptr,  in snd_rawmidi_kernel_write1()
1263 			spin_unlock_irqrestore(&runtime->lock, flags);  in snd_rawmidi_kernel_write1()
1264 			if (copy_from_user(runtime->buffer + appl_ptr,  in snd_rawmidi_kernel_write1()
1266 				spin_lock_irqsave(&runtime->lock, flags);  in snd_rawmidi_kernel_write1()
1270 			spin_lock_irqsave(&runtime->lock, flags);  in snd_rawmidi_kernel_write1()
1276 	count1 = runtime->avail < runtime->buffer_size;  in snd_rawmidi_kernel_write1()
1277 	spin_unlock_irqrestore(&runtime->lock, flags);  in snd_rawmidi_kernel_write1()
1296 	struct snd_rawmidi_runtime *runtime;  in snd_rawmidi_write()  local
1301 	runtime = substream->runtime;  in snd_rawmidi_write()
1303 	if (substream->append && count > runtime->buffer_size)  in snd_rawmidi_write()
1307 		spin_lock_irq(&runtime->lock);  in snd_rawmidi_write()
1311 				spin_unlock_irq(&runtime->lock);  in snd_rawmidi_write()
1315 			add_wait_queue(&runtime->sleep, &wait);  in snd_rawmidi_write()
1317 			spin_unlock_irq(&runtime->lock);  in snd_rawmidi_write()
1319 			remove_wait_queue(&runtime->sleep, &wait);  in snd_rawmidi_write()
1324 			if (!runtime->avail && !timeout)  in snd_rawmidi_write()
1326 			spin_lock_irq(&runtime->lock);  in snd_rawmidi_write()
1328 		spin_unlock_irq(&runtime->lock);  in snd_rawmidi_write()
1339 		spin_lock_irq(&runtime->lock);  in snd_rawmidi_write()
1340 		while (runtime->avail != runtime->buffer_size) {  in snd_rawmidi_write()
1342 			unsigned int last_avail = runtime->avail;  in snd_rawmidi_write()
1344 			add_wait_queue(&runtime->sleep, &wait);  in snd_rawmidi_write()
1346 			spin_unlock_irq(&runtime->lock);  in snd_rawmidi_write()
1348 			remove_wait_queue(&runtime->sleep, &wait);  in snd_rawmidi_write()
1351 			if (runtime->avail == last_avail && !timeout)  in snd_rawmidi_write()
1353 			spin_lock_irq(&runtime->lock);  in snd_rawmidi_write()
1355 		spin_unlock_irq(&runtime->lock);  in snd_rawmidi_write()
1363 	struct snd_rawmidi_runtime *runtime;  in snd_rawmidi_poll()  local
1368 		runtime = rfile->input->runtime;  in snd_rawmidi_poll()
1370 		poll_wait(file, &runtime->sleep, wait);  in snd_rawmidi_poll()
1373 		runtime = rfile->output->runtime;  in snd_rawmidi_poll()
1374 		poll_wait(file, &runtime->sleep, wait);  in snd_rawmidi_poll()
1405 	struct snd_rawmidi_runtime *runtime;  in snd_rawmidi_proc_info_read()  local
1423 				runtime = substream->runtime;  in snd_rawmidi_proc_info_read()
1428 				    runtime->oss ? "OSS compatible" : "native",  in snd_rawmidi_proc_info_read()
1429 				    (unsigned long) runtime->buffer_size,  in snd_rawmidi_proc_info_read()
1430 				    (unsigned long) runtime->avail);  in snd_rawmidi_proc_info_read()
1447 				runtime = substream->runtime;  in snd_rawmidi_proc_info_read()
1452 					    (unsigned long) runtime->buffer_size,  in snd_rawmidi_proc_info_read()
1453 					    (unsigned long) runtime->avail,  in snd_rawmidi_proc_info_read()
1454 					    (unsigned long) runtime->xruns);  in snd_rawmidi_proc_info_read()
1717 			if (s->runtime)  in snd_rawmidi_dev_disconnect()
1718 				wake_up(&s->runtime->sleep);  in snd_rawmidi_dev_disconnect()