113 int amdtp_dot_set_parameters(struct amdtp_stream *s, unsigned int rate,  in amdtp_dot_set_parameters()  argument
116 	struct amdtp_dot *p = s->protocol;  in amdtp_dot_set_parameters()
119 	if (amdtp_stream_running(s))  in amdtp_dot_set_parameters()
126 	err = amdtp_stream_set_parameters(s, rate, pcm_channels + 1);  in amdtp_dot_set_parameters()
130 	s->ctx_data.rx.fdf = AMDTP_FDF_AM824 | s->sfc;  in amdtp_dot_set_parameters()
140 	p->midi_fifo_limit = rate - MIDI_BYTES_PER_SECOND * s->syt_interval + 1;  in amdtp_dot_set_parameters()
145 static void write_pcm_s32(struct amdtp_stream *s, struct snd_pcm_substream *pcm,  in write_pcm_s32()  argument
149 	struct amdtp_dot *p = s->protocol;  in write_pcm_s32()
157 	pcm_buffer_pointer = s->pcm_buffer_pointer + pcm_frames;  in write_pcm_s32()
171 		buffer += s->data_block_quadlets;  in write_pcm_s32()
177 static void read_pcm_s32(struct amdtp_stream *s, struct snd_pcm_substream *pcm,  in read_pcm_s32()  argument
181 	struct amdtp_dot *p = s->protocol;  in read_pcm_s32()
189 	pcm_buffer_pointer = s->pcm_buffer_pointer + pcm_frames;  in read_pcm_s32()
202 		buffer += s->data_block_quadlets;  in read_pcm_s32()
208 static void write_pcm_silence(struct amdtp_stream *s, __be32 *buffer,  in write_pcm_silence()  argument
211 	struct amdtp_dot *p = s->protocol;  in write_pcm_silence()
220 		buffer += s->data_block_quadlets;  in write_pcm_silence()
224 static bool midi_ratelimit_per_packet(struct amdtp_stream *s, unsigned int port)  in midi_ratelimit_per_packet()  argument
226 	struct amdtp_dot *p = s->protocol;  in midi_ratelimit_per_packet()
233 	used -= MIDI_BYTES_PER_SECOND * s->syt_interval;  in midi_ratelimit_per_packet()
240 static inline void midi_use_bytes(struct amdtp_stream *s,  in midi_use_bytes()  argument
243 	struct amdtp_dot *p = s->protocol;  in midi_use_bytes()
245 	p->midi_fifo_used[port] += amdtp_rate_table[s->sfc] * count;  in midi_use_bytes()
248 static void write_midi_messages(struct amdtp_stream *s, __be32 *buffer,  in write_midi_messages()  argument
251 	struct amdtp_dot *p = s->protocol;  in write_midi_messages()
262 		    midi_ratelimit_per_packet(s, port) &&  in write_midi_messages()
280 			midi_use_bytes(s, port, len);  in write_midi_messages()
288 		buffer += s->data_block_quadlets;  in write_midi_messages()
292 static void read_midi_messages(struct amdtp_stream *s, __be32 *buffer,  in read_midi_messages()  argument
295 	struct amdtp_dot *p = s->protocol;  in read_midi_messages()
318 		buffer += s->data_block_quadlets;  in read_midi_messages()
322 int amdtp_dot_add_pcm_hw_constraints(struct amdtp_stream *s,  in amdtp_dot_add_pcm_hw_constraints()  argument
332 	return amdtp_stream_add_pcm_hw_constraints(s, runtime);  in amdtp_dot_add_pcm_hw_constraints()
335 void amdtp_dot_midi_trigger(struct amdtp_stream *s, unsigned int port,  in amdtp_dot_midi_trigger()  argument
338 	struct amdtp_dot *p = s->protocol;  in amdtp_dot_midi_trigger()
344 static unsigned int process_ir_ctx_payloads(struct amdtp_stream *s,  in process_ir_ctx_payloads()  argument
358 			read_pcm_s32(s, pcm, buf, data_blocks, pcm_frames);  in process_ir_ctx_payloads()
362 		read_midi_messages(s, buf, data_blocks);  in process_ir_ctx_payloads()
368 static unsigned int process_it_ctx_payloads(struct amdtp_stream *s,  in process_it_ctx_payloads()  argument
382 			write_pcm_s32(s, pcm, buf, data_blocks, pcm_frames);  in process_it_ctx_payloads()
385 			write_pcm_silence(s, buf, data_blocks);  in process_it_ctx_payloads()
388 		write_midi_messages(s, buf, data_blocks,  in process_it_ctx_payloads()
395 int amdtp_dot_init(struct amdtp_stream *s, struct fw_unit *unit,  in amdtp_dot_init()  argument
407 	return amdtp_stream_init(s, unit, dir, flags, CIP_FMT_AM,  in amdtp_dot_init()
411 void amdtp_dot_reset(struct amdtp_stream *s)  in amdtp_dot_reset()  argument
413 	struct amdtp_dot *p = s->protocol;  in amdtp_dot_reset()