62 	struct amdtp_motu *p = s->protocol;  in amdtp_motu_set_parameters()  local
95 	p->pcm_chunks = pcm_chunks;  in amdtp_motu_set_parameters()
96 	p->pcm_byte_offset = formats->pcm_byte_offset;  in amdtp_motu_set_parameters()
98 	p->midi_ports = midi_ports;  in amdtp_motu_set_parameters()
99 	p->midi_flag_offset = formats->midi_flag_offset;  in amdtp_motu_set_parameters()
100 	p->midi_byte_offset = formats->midi_byte_offset;  in amdtp_motu_set_parameters()
102 	p->midi_db_count = 0;  in amdtp_motu_set_parameters()
103 	p->midi_db_interval = rate / MIDI_BYTES_PER_SECOND;  in amdtp_motu_set_parameters()
111 	p->next_seconds = 0;  in amdtp_motu_set_parameters()
112 	p->next_cycles = delay / 3072;  in amdtp_motu_set_parameters()
113 	p->quotient_ticks_per_event = params[s->sfc].quotient_ticks_per_event;  in amdtp_motu_set_parameters()
114 	p->remainder_ticks_per_event = params[s->sfc].remainder_ticks_per_event;  in amdtp_motu_set_parameters()
115 	p->next_ticks = delay % 3072;  in amdtp_motu_set_parameters()
116 	p->next_accumulated = 0;  in amdtp_motu_set_parameters()
125 	struct amdtp_motu *p = s->protocol;  in read_pcm_s32()  local
130 	channels = p->pcm_chunks;  in read_pcm_s32()
136 		byte = (u8 *)buffer + p->pcm_byte_offset;  in read_pcm_s32()
155 	struct amdtp_motu *p = s->protocol;  in write_pcm_s32()  local
160 	channels = p->pcm_chunks;  in write_pcm_s32()
166 		byte = (u8 *)buffer + p->pcm_byte_offset;  in write_pcm_s32()
185 	struct amdtp_motu *p = s->protocol;  in write_pcm_silence()  local
189 	channels = p->pcm_chunks;  in write_pcm_silence()
192 		byte = (u8 *)buffer + p->pcm_byte_offset;  in write_pcm_silence()
221 	struct amdtp_motu *p = s->protocol;  in amdtp_motu_midi_trigger()  local
223 	if (port < p->midi_ports)  in amdtp_motu_midi_trigger()
224 		WRITE_ONCE(p->midi, midi);  in amdtp_motu_midi_trigger()
230 	struct amdtp_motu *p = s->protocol;  in write_midi_messages()  local
231 	struct snd_rawmidi_substream *midi = READ_ONCE(p->midi);  in write_midi_messages()
238 		if (midi && p->midi_db_count == 0 &&  in write_midi_messages()
239 		    snd_rawmidi_transmit(midi, b + p->midi_byte_offset, 1) == 1) {  in write_midi_messages()
240 			b[p->midi_flag_offset] = 0x01;  in write_midi_messages()
242 			b[p->midi_byte_offset] = 0x00;  in write_midi_messages()
243 			b[p->midi_flag_offset] = 0x00;  in write_midi_messages()
248 		if (--p->midi_db_count < 0)  in write_midi_messages()
249 			p->midi_db_count = p->midi_db_interval;  in write_midi_messages()
256 	struct amdtp_motu *p = s->protocol;  in read_midi_messages()  local
263 		midi = READ_ONCE(p->midi);  in read_midi_messages()
265 		if (midi && (b[p->midi_flag_offset] & 0x01))  in read_midi_messages()
266 			snd_rawmidi_receive(midi, b + p->midi_byte_offset, 1);  in read_midi_messages()
306 	struct amdtp_motu *p = s->protocol;  in process_tx_data_blocks()  local
312 	if (p->midi_ports)  in process_tx_data_blocks()
322 static inline void compute_next_elapse_from_start(struct amdtp_motu *p)  in compute_next_elapse_from_start()  argument
324 	p->next_accumulated += p->remainder_ticks_per_event;  in compute_next_elapse_from_start()
325 	if (p->next_accumulated >= 441) {  in compute_next_elapse_from_start()
326 		p->next_accumulated -= 441;  in compute_next_elapse_from_start()
327 		p->next_ticks++;  in compute_next_elapse_from_start()
330 	p->next_ticks += p->quotient_ticks_per_event;  in compute_next_elapse_from_start()
331 	if (p->next_ticks >= 3072) {  in compute_next_elapse_from_start()
332 		p->next_ticks -= 3072;  in compute_next_elapse_from_start()
333 		p->next_cycles++;  in compute_next_elapse_from_start()
336 	if (p->next_cycles >= 8000) {  in compute_next_elapse_from_start()
337 		p->next_cycles -= 8000;  in compute_next_elapse_from_start()
338 		p->next_seconds++;  in compute_next_elapse_from_start()
341 	if (p->next_seconds >= 128)  in compute_next_elapse_from_start()
342 		p->next_seconds -= 128;  in compute_next_elapse_from_start()
348 	struct amdtp_motu *p = s->protocol;  in write_sph()  local
354 		next_cycles = (s->start_cycle + p->next_cycles) % 8000;  in write_sph()
355 		sph = ((next_cycles << 12) | p->next_ticks) & 0x01ffffff;  in write_sph()
358 		compute_next_elapse_from_start(p);  in write_sph()
368 	struct amdtp_motu *p = (struct amdtp_motu *)s->protocol;  in process_rx_data_blocks()  local
376 	if (p->midi_ports)  in process_rx_data_blocks()