24 	struct midi_runtime *rt = urb->context;  in usb6fire_midi_out_handler()  local
28 	spin_lock_irqsave(&rt->out_lock, flags);  in usb6fire_midi_out_handler()
30 	if (rt->out) {  in usb6fire_midi_out_handler()
31 		ret = snd_rawmidi_transmit(rt->out, rt->out_buffer + 4,  in usb6fire_midi_out_handler()
34 			rt->out_buffer[1] = ret + 2;  in usb6fire_midi_out_handler()
35 			rt->out_buffer[3] = rt->out_serial++;  in usb6fire_midi_out_handler()
44 			rt->out = NULL;  in usb6fire_midi_out_handler()
46 	spin_unlock_irqrestore(&rt->out_lock, flags);  in usb6fire_midi_out_handler()
50 		struct midi_runtime *rt, u8 *data, int length)  in usb6fire_midi_in_received()  argument
54 	spin_lock_irqsave(&rt->in_lock, flags);  in usb6fire_midi_in_received()
55 	if (rt->in)  in usb6fire_midi_in_received()
56 		snd_rawmidi_receive(rt->in, data, length);  in usb6fire_midi_in_received()
57 	spin_unlock_irqrestore(&rt->in_lock, flags);  in usb6fire_midi_in_received()
73 	struct midi_runtime *rt = alsa_sub->rmidi->private_data;  in usb6fire_midi_out_trigger()  local
74 	struct urb *urb = &rt->out_urb;  in usb6fire_midi_out_trigger()
78 	spin_lock_irqsave(&rt->out_lock, flags);  in usb6fire_midi_out_trigger()
80 		if (rt->out) { /* we are already transmitting so just return */  in usb6fire_midi_out_trigger()
81 			spin_unlock_irqrestore(&rt->out_lock, flags);  in usb6fire_midi_out_trigger()
85 		ret = snd_rawmidi_transmit(alsa_sub, rt->out_buffer + 4,  in usb6fire_midi_out_trigger()
88 			rt->out_buffer[1] = ret + 2;  in usb6fire_midi_out_trigger()
89 			rt->out_buffer[3] = rt->out_serial++;  in usb6fire_midi_out_trigger()
98 				rt->out = alsa_sub;  in usb6fire_midi_out_trigger()
100 	} else if (rt->out == alsa_sub)  in usb6fire_midi_out_trigger()
101 		rt->out = NULL;  in usb6fire_midi_out_trigger()
102 	spin_unlock_irqrestore(&rt->out_lock, flags);  in usb6fire_midi_out_trigger()
107 	struct midi_runtime *rt = alsa_sub->rmidi->private_data;  in usb6fire_midi_out_drain()  local
110 	while (rt->out && retry++ < 100)  in usb6fire_midi_out_drain()
127 	struct midi_runtime *rt = alsa_sub->rmidi->private_data;  in usb6fire_midi_in_trigger()  local
130 	spin_lock_irqsave(&rt->in_lock, flags);  in usb6fire_midi_in_trigger()
132 		rt->in = alsa_sub;  in usb6fire_midi_in_trigger()
134 		rt->in = NULL;  in usb6fire_midi_in_trigger()
135 	spin_unlock_irqrestore(&rt->in_lock, flags);  in usb6fire_midi_in_trigger()
154 	struct midi_runtime *rt = kzalloc(sizeof(struct midi_runtime),  in usb6fire_midi_init()  local
158 	if (!rt)  in usb6fire_midi_init()
161 	rt->out_buffer = kzalloc(MIDI_BUFSIZE, GFP_KERNEL);  in usb6fire_midi_init()
162 	if (!rt->out_buffer) {  in usb6fire_midi_init()
163 		kfree(rt);  in usb6fire_midi_init()
167 	rt->chip = chip;  in usb6fire_midi_init()
168 	rt->in_received = usb6fire_midi_in_received;  in usb6fire_midi_init()
169 	rt->out_buffer[0] = 0x80; /* 'send midi' command */  in usb6fire_midi_init()
170 	rt->out_buffer[1] = 0x00; /* size of data */  in usb6fire_midi_init()
171 	rt->out_buffer[2] = 0x00; /* always 0 */  in usb6fire_midi_init()
172 	spin_lock_init(&rt->in_lock);  in usb6fire_midi_init()
173 	spin_lock_init(&rt->out_lock);  in usb6fire_midi_init()
175 	comm_rt->init_urb(comm_rt, &rt->out_urb, rt->out_buffer, rt,  in usb6fire_midi_init()
178 	ret = snd_rawmidi_new(chip->card, "6FireUSB", 0, 1, 1, &rt->instance);  in usb6fire_midi_init()
180 		kfree(rt->out_buffer);  in usb6fire_midi_init()
181 		kfree(rt);  in usb6fire_midi_init()
185 	rt->instance->private_data = rt;  in usb6fire_midi_init()
186 	strcpy(rt->instance->name, "DMX6FireUSB MIDI");  in usb6fire_midi_init()
187 	rt->instance->info_flags = SNDRV_RAWMIDI_INFO_OUTPUT |  in usb6fire_midi_init()
190 	snd_rawmidi_set_ops(rt->instance, SNDRV_RAWMIDI_STREAM_OUTPUT,  in usb6fire_midi_init()
192 	snd_rawmidi_set_ops(rt->instance, SNDRV_RAWMIDI_STREAM_INPUT,  in usb6fire_midi_init()
195 	chip->midi = rt;  in usb6fire_midi_init()
201 	struct midi_runtime *rt = chip->midi;  in usb6fire_midi_abort()  local
203 	if (rt)  in usb6fire_midi_abort()
204 		usb_poison_urb(&rt->out_urb);  in usb6fire_midi_abort()
209 	struct midi_runtime *rt = chip->midi;  in usb6fire_midi_destroy()  local
211 	kfree(rt->out_buffer);  in usb6fire_midi_destroy()
212 	kfree(rt);  in usb6fire_midi_destroy()