44 static void midi_input_escaped_byte(struct snd_rawmidi_substream *stream,  in midi_input_escaped_byte()  argument
51 	snd_rawmidi_receive(stream, nibbles, 2);  in midi_input_escaped_byte()
55 			    struct snd_rawmidi_substream *stream, u8 byte)  in midi_input_byte()  argument
60 		midi_input_escaped_byte(stream, byte);  in midi_input_byte()
63 			snd_rawmidi_receive(stream, &eox, sizeof(eox));  in midi_input_byte()
65 		snd_rawmidi_receive(stream, sysex_escape_prefix,  in midi_input_byte()
67 		midi_input_escaped_byte(stream, 0x00);  in midi_input_byte()
68 		midi_input_escaped_byte(stream, 0xf9);  in midi_input_byte()
71 		snd_rawmidi_receive(stream, &byte, 1);  in midi_input_byte()
76 			      struct snd_rawmidi_substream *stream,  in midi_input_packet()  argument
84 			midi_input_byte(scs, stream, data[i]);  in midi_input_packet()
86 		snd_rawmidi_receive(stream, sysex_escape_prefix,  in midi_input_packet()
89 			midi_input_escaped_byte(stream, data[i]);  in midi_input_packet()
90 		snd_rawmidi_receive(stream, &eox, sizeof(eox));  in midi_input_packet()
100 	struct snd_rawmidi_substream *stream;  in handle_hss()  local
114 		stream = READ_ONCE(scs->input);  in handle_hss()
115 		if (stream)  in handle_hss()
116 			midi_input_packet(scs, stream, data, length);  in handle_hss()
177 	struct snd_rawmidi_substream *stream;  in scs_output_work()  local
185 	stream = READ_ONCE(scs->output);  in scs_output_work()
186 	if (!stream || scs->error) {  in scs_output_work()
197 		if (snd_rawmidi_transmit(stream, &byte, 1) != 1) {  in scs_output_work()
277 static int midi_capture_open(struct snd_rawmidi_substream *stream)  in midi_capture_open()  argument
282 static int midi_capture_close(struct snd_rawmidi_substream *stream)  in midi_capture_close()  argument
287 static void midi_capture_trigger(struct snd_rawmidi_substream *stream, int up)  in midi_capture_trigger()  argument
289 	struct fw_scs1x *scs = stream->rmidi->private_data;  in midi_capture_trigger()
293 		WRITE_ONCE(scs->input, stream);  in midi_capture_trigger()
299 static int midi_playback_open(struct snd_rawmidi_substream *stream)  in midi_playback_open()  argument
304 static int midi_playback_close(struct snd_rawmidi_substream *stream)  in midi_playback_close()  argument
309 static void midi_playback_trigger(struct snd_rawmidi_substream *stream, int up)  in midi_playback_trigger()  argument
311 	struct fw_scs1x *scs = stream->rmidi->private_data;  in midi_playback_trigger()
321 		WRITE_ONCE(scs->output, stream);  in midi_playback_trigger()
327 static void midi_playback_drain(struct snd_rawmidi_substream *stream)  in midi_playback_drain()  argument
329 	struct fw_scs1x *scs = stream->rmidi->private_data;  in midi_playback_drain()