28 	struct midi_runtime *rt = urb->context;  in usb6fire_midi_out_handler()  local
32 	spin_lock_irqsave(&rt->out_lock, flags);  in usb6fire_midi_out_handler()
34 	if (rt->out) {  in usb6fire_midi_out_handler()
35 		ret = snd_rawmidi_transmit(rt->out, rt->out_buffer + 4,  in usb6fire_midi_out_handler()
38 			rt->out_buffer[1] = ret + 2;  in usb6fire_midi_out_handler()
39 			rt->out_buffer[3] = rt->out_serial++;  in usb6fire_midi_out_handler()
48 			rt->out = NULL;  in usb6fire_midi_out_handler()
50 	spin_unlock_irqrestore(&rt->out_lock, flags);  in usb6fire_midi_out_handler()
54 		struct midi_runtime *rt, u8 *data, int length)  in usb6fire_midi_in_received()  argument
58 	spin_lock_irqsave(&rt->in_lock, flags);  in usb6fire_midi_in_received()
59 	if (rt->in)  in usb6fire_midi_in_received()
60 		snd_rawmidi_receive(rt->in, data, length);  in usb6fire_midi_in_received()
61 	spin_unlock_irqrestore(&rt->in_lock, flags);  in usb6fire_midi_in_received()
77 	struct midi_runtime *rt = alsa_sub->rmidi->private_data;  in usb6fire_midi_out_trigger()  local
78 	struct urb *urb = &rt->out_urb;  in usb6fire_midi_out_trigger()
82 	spin_lock_irqsave(&rt->out_lock, flags);  in usb6fire_midi_out_trigger()
84 		if (rt->out) { /* we are already transmitting so just return */  in usb6fire_midi_out_trigger()
85 			spin_unlock_irqrestore(&rt->out_lock, flags);  in usb6fire_midi_out_trigger()
89 		ret = snd_rawmidi_transmit(alsa_sub, rt->out_buffer + 4,  in usb6fire_midi_out_trigger()
92 			rt->out_buffer[1] = ret + 2;  in usb6fire_midi_out_trigger()
93 			rt->out_buffer[3] = rt->out_serial++;  in usb6fire_midi_out_trigger()
102 				rt->out = alsa_sub;  in usb6fire_midi_out_trigger()
104 	} else if (rt->out == alsa_sub)  in usb6fire_midi_out_trigger()
105 		rt->out = NULL;  in usb6fire_midi_out_trigger()
106 	spin_unlock_irqrestore(&rt->out_lock, flags);  in usb6fire_midi_out_trigger()
111 	struct midi_runtime *rt = alsa_sub->rmidi->private_data;  in usb6fire_midi_out_drain()  local
114 	while (rt->out && retry++ < 100)  in usb6fire_midi_out_drain()
131 	struct midi_runtime *rt = alsa_sub->rmidi->private_data;  in usb6fire_midi_in_trigger()  local
134 	spin_lock_irqsave(&rt->in_lock, flags);  in usb6fire_midi_in_trigger()
136 		rt->in = alsa_sub;  in usb6fire_midi_in_trigger()
138 		rt->in = NULL;  in usb6fire_midi_in_trigger()
139 	spin_unlock_irqrestore(&rt->in_lock, flags);  in usb6fire_midi_in_trigger()
158 	struct midi_runtime *rt = kzalloc(sizeof(struct midi_runtime),  in usb6fire_midi_init()  local
162 	if (!rt)  in usb6fire_midi_init()
165 	rt->out_buffer = kzalloc(MIDI_BUFSIZE, GFP_KERNEL);  in usb6fire_midi_init()
166 	if (!rt->out_buffer) {  in usb6fire_midi_init()
167 		kfree(rt);  in usb6fire_midi_init()
171 	rt->chip = chip;  in usb6fire_midi_init()
172 	rt->in_received = usb6fire_midi_in_received;  in usb6fire_midi_init()
173 	rt->out_buffer[0] = 0x80; /* 'send midi' command */  in usb6fire_midi_init()
174 	rt->out_buffer[1] = 0x00; /* size of data */  in usb6fire_midi_init()
175 	rt->out_buffer[2] = 0x00; /* always 0 */  in usb6fire_midi_init()
176 	spin_lock_init(&rt->in_lock);  in usb6fire_midi_init()
177 	spin_lock_init(&rt->out_lock);  in usb6fire_midi_init()
179 	comm_rt->init_urb(comm_rt, &rt->out_urb, rt->out_buffer, rt,  in usb6fire_midi_init()
182 	ret = snd_rawmidi_new(chip->card, "6FireUSB", 0, 1, 1, &rt->instance);  in usb6fire_midi_init()
184 		kfree(rt->out_buffer);  in usb6fire_midi_init()
185 		kfree(rt);  in usb6fire_midi_init()
189 	rt->instance->private_data = rt;  in usb6fire_midi_init()
190 	strcpy(rt->instance->name, "DMX6FireUSB MIDI");  in usb6fire_midi_init()
191 	rt->instance->info_flags = SNDRV_RAWMIDI_INFO_OUTPUT |  in usb6fire_midi_init()
194 	snd_rawmidi_set_ops(rt->instance, SNDRV_RAWMIDI_STREAM_OUTPUT,  in usb6fire_midi_init()
196 	snd_rawmidi_set_ops(rt->instance, SNDRV_RAWMIDI_STREAM_INPUT,  in usb6fire_midi_init()
199 	chip->midi = rt;  in usb6fire_midi_init()
205 	struct midi_runtime *rt = chip->midi;  in usb6fire_midi_abort()  local
207 	if (rt)  in usb6fire_midi_abort()
208 		usb_poison_urb(&rt->out_urb);  in usb6fire_midi_abort()
213 	struct midi_runtime *rt = chip->midi;  in usb6fire_midi_destroy()  local
215 	kfree(rt->out_buffer);  in usb6fire_midi_destroy()
216 	kfree(rt);  in usb6fire_midi_destroy()