55 int amdtp_am824_set_parameters(struct amdtp_stream *s, unsigned int rate,  in amdtp_am824_set_parameters()  argument
60 	struct amdtp_am824 *p = s->protocol;  in amdtp_am824_set_parameters()
65 	if (amdtp_stream_running(s))  in amdtp_am824_set_parameters()
75 	if (WARN_ON(amdtp_stream_running(s)) ||  in amdtp_am824_set_parameters()
80 	err = amdtp_stream_set_parameters(s, rate,  in amdtp_am824_set_parameters()
85 	if (s->direction == AMDTP_OUT_STREAM)  in amdtp_am824_set_parameters()
86 		s->ctx_data.rx.fdf = AMDTP_FDF_AM824 | s->sfc;  in amdtp_am824_set_parameters()
112 	p->midi_fifo_limit = rate - MIDI_BYTES_PER_SECOND * s->syt_interval + 1;  in amdtp_am824_set_parameters()
125 void amdtp_am824_set_pcm_position(struct amdtp_stream *s, unsigned int index,  in amdtp_am824_set_pcm_position()  argument
128 	struct amdtp_am824 *p = s->protocol;  in amdtp_am824_set_pcm_position()
141 void amdtp_am824_set_midi_position(struct amdtp_stream *s,  in amdtp_am824_set_midi_position()  argument
144 	struct amdtp_am824 *p = s->protocol;  in amdtp_am824_set_midi_position()
150 static void write_pcm_s32(struct amdtp_stream *s, struct snd_pcm_substream *pcm,  in write_pcm_s32()  argument
154 	struct amdtp_am824 *p = s->protocol;  in write_pcm_s32()
162 	pcm_buffer_pointer = s->pcm_buffer_pointer + pcm_frames;  in write_pcm_s32()
175 		buffer += s->data_block_quadlets;  in write_pcm_s32()
181 static void read_pcm_s32(struct amdtp_stream *s, struct snd_pcm_substream *pcm,  in read_pcm_s32()  argument
185 	struct amdtp_am824 *p = s->protocol;  in read_pcm_s32()
193 	pcm_buffer_pointer = s->pcm_buffer_pointer + pcm_frames;  in read_pcm_s32()
205 		buffer += s->data_block_quadlets;  in read_pcm_s32()
211 static void write_pcm_silence(struct amdtp_stream *s,  in write_pcm_silence()  argument
214 	struct amdtp_am824 *p = s->protocol;  in write_pcm_silence()
220 		buffer += s->data_block_quadlets;  in write_pcm_silence()
230 int amdtp_am824_add_pcm_hw_constraints(struct amdtp_stream *s,  in amdtp_am824_add_pcm_hw_constraints()  argument
235 	err = amdtp_stream_add_pcm_hw_constraints(s, runtime);  in amdtp_am824_add_pcm_hw_constraints()
254 void amdtp_am824_midi_trigger(struct amdtp_stream *s, unsigned int port,  in amdtp_am824_midi_trigger()  argument
257 	struct amdtp_am824 *p = s->protocol;  in amdtp_am824_midi_trigger()
274 static bool midi_ratelimit_per_packet(struct amdtp_stream *s, unsigned int port)  in midi_ratelimit_per_packet()  argument
276 	struct amdtp_am824 *p = s->protocol;  in midi_ratelimit_per_packet()
283 	used -= MIDI_BYTES_PER_SECOND * s->syt_interval;  in midi_ratelimit_per_packet()
290 static void midi_rate_use_one_byte(struct amdtp_stream *s, unsigned int port)  in midi_rate_use_one_byte()  argument
292 	struct amdtp_am824 *p = s->protocol;  in midi_rate_use_one_byte()
294 	p->midi_fifo_used[port] += amdtp_rate_table[s->sfc];  in midi_rate_use_one_byte()
297 static void write_midi_messages(struct amdtp_stream *s, __be32 *buffer,  in write_midi_messages()  argument
300 	struct amdtp_am824 *p = s->protocol;  in write_midi_messages()
309 		    midi_ratelimit_per_packet(s, port) &&  in write_midi_messages()
312 			midi_rate_use_one_byte(s, port);  in write_midi_messages()
321 		buffer += s->data_block_quadlets;  in write_midi_messages()
325 static void read_midi_messages(struct amdtp_stream *s, __be32 *buffer,  in read_midi_messages()  argument
328 	struct amdtp_am824 *p = s->protocol;  in read_midi_messages()
336 		if (!(s->flags & CIP_UNALIGHED_DBC))  in read_midi_messages()
345 		buffer += s->data_block_quadlets;  in read_midi_messages()
349 static unsigned int process_it_ctx_payloads(struct amdtp_stream *s,  in process_it_ctx_payloads()  argument
354 	struct amdtp_am824 *p = s->protocol;  in process_it_ctx_payloads()
364 			write_pcm_s32(s, pcm, buf, data_blocks, pcm_frames);  in process_it_ctx_payloads()
367 			write_pcm_silence(s, buf, data_blocks);  in process_it_ctx_payloads()
371 			write_midi_messages(s, buf, data_blocks,  in process_it_ctx_payloads()
379 static unsigned int process_ir_ctx_payloads(struct amdtp_stream *s,  in process_ir_ctx_payloads()  argument
384 	struct amdtp_am824 *p = s->protocol;  in process_ir_ctx_payloads()
394 			read_pcm_s32(s, pcm, buf, data_blocks, pcm_frames);  in process_ir_ctx_payloads()
399 			read_midi_messages(s, buf, data_blocks,  in process_ir_ctx_payloads()
415 int amdtp_am824_init(struct amdtp_stream *s, struct fw_unit *unit,  in amdtp_am824_init()  argument
425 	return amdtp_stream_init(s, unit, dir, flags, CIP_FMT_AM,  in amdtp_am824_init()