71 static int former_get_clock(struct snd_ff *ff, unsigned int *rate,  in former_get_clock()  argument
78 	err = snd_fw_transaction(ff->unit, TCODE_READ_QUADLET_REQUEST,  in former_get_clock()
87 static int former_switch_fetching_mode(struct snd_ff *ff, bool enable)  in former_switch_fetching_mode()  argument
96 		count = max(count, ff->spec->pcm_playback_channels[i]);  in former_switch_fetching_mode()
114 	err = snd_fw_transaction(ff->unit, TCODE_WRITE_BLOCK_REQUEST,  in former_switch_fetching_mode()
121 static void dump_clock_config(struct snd_ff *ff, struct snd_info_buffer *buffer)  in dump_clock_config()  argument
130 	err = snd_fw_transaction(ff->unit, TCODE_READ_BLOCK_REQUEST,  in dump_clock_config()
159 static void dump_sync_status(struct snd_ff *ff, struct snd_info_buffer *buffer)  in dump_sync_status()  argument
200 	err = snd_fw_transaction(ff->unit, TCODE_READ_BLOCK_REQUEST,  in dump_sync_status()
257 static void former_dump_status(struct snd_ff *ff,  in former_dump_status()  argument
260 	dump_clock_config(ff, buffer);  in former_dump_status()
261 	dump_sync_status(ff, buffer);  in former_dump_status()
264 static int former_fill_midi_msg(struct snd_ff *ff,  in former_fill_midi_msg()  argument
268 	u8 *buf = (u8 *)ff->msg_buf[port];  in former_fill_midi_msg()
279 		ff->msg_buf[port][i] = cpu_to_le32(buf[i]);  in former_fill_midi_msg()
280 	ff->rx_bytes[port] = len;  in former_fill_midi_msg()
294 static int allocate_tx_resources(struct snd_ff *ff)  in allocate_tx_resources()  argument
301 	reg = cpu_to_le32(ff->tx_stream.data_block_quadlets);  in allocate_tx_resources()
302 	err = snd_fw_transaction(ff->unit, TCODE_WRITE_QUADLET_REQUEST,  in allocate_tx_resources()
311 		err = snd_fw_transaction(ff->unit, TCODE_READ_QUADLET_REQUEST,  in allocate_tx_resources()
330 	ff->tx_resources.channel = tx_isoc_channel;  in allocate_tx_resources()
335 static int ff800_allocate_resources(struct snd_ff *ff, unsigned int rate)  in ff800_allocate_resources()  argument
342 	err = snd_fw_transaction(ff->unit, TCODE_WRITE_QUADLET_REQUEST,  in ff800_allocate_resources()
353 	err = fw_iso_resources_allocate(&ff->rx_resources,  in ff800_allocate_resources()
354 				amdtp_stream_get_max_payload(&ff->rx_stream),  in ff800_allocate_resources()
355 				fw_parent_device(ff->unit)->max_speed);  in ff800_allocate_resources()
362 	data = ff->rx_stream.data_block_quadlets << 3;  in ff800_allocate_resources()
363 	data = (data << 8) | ff->rx_resources.channel;  in ff800_allocate_resources()
365 	err = snd_fw_transaction(ff->unit, TCODE_WRITE_QUADLET_REQUEST,  in ff800_allocate_resources()
370 	return allocate_tx_resources(ff);  in ff800_allocate_resources()
373 static int ff800_begin_session(struct snd_ff *ff, unsigned int rate)  in ff800_begin_session()  argument
375 	unsigned int generation = ff->rx_resources.generation;  in ff800_begin_session()
378 	if (generation != fw_parent_device(ff->unit)->card->generation) {  in ff800_begin_session()
379 		int err = fw_iso_resources_update(&ff->rx_resources);  in ff800_begin_session()
385 	reg |= cpu_to_le32(ff->tx_stream.data_block_quadlets);  in ff800_begin_session()
386 	if (fw_parent_device(ff->unit)->max_speed == SCODE_800)  in ff800_begin_session()
388 	return snd_fw_transaction(ff->unit, TCODE_WRITE_QUADLET_REQUEST,  in ff800_begin_session()
392 static void ff800_finish_session(struct snd_ff *ff)  in ff800_finish_session()  argument
397 	snd_fw_transaction(ff->unit, TCODE_WRITE_QUADLET_REQUEST,  in ff800_finish_session()
405 static void ff800_handle_midi_msg(struct snd_ff *ff, unsigned int offset, const __le32 *buf,  in ff800_handle_midi_msg()  argument
414 		substream = READ_ONCE(ff->tx_midi_substreams[0]);  in ff800_handle_midi_msg()
439 static int ff400_allocate_resources(struct snd_ff *ff, unsigned int rate)  in ff400_allocate_resources()  argument
456 	err = snd_fw_transaction(ff->unit, TCODE_WRITE_QUADLET_REQUEST,  in ff400_allocate_resources()
468 	ff->tx_resources.channels_mask = 0x00000000000000ffuLL;  in ff400_allocate_resources()
469 	err = fw_iso_resources_allocate(&ff->tx_resources,  in ff400_allocate_resources()
470 			amdtp_stream_get_max_payload(&ff->tx_stream),  in ff400_allocate_resources()
471 			fw_parent_device(ff->unit)->max_speed);  in ff400_allocate_resources()
476 	ff->rx_resources.channels_mask = 0x00000000000000ffuLL;  in ff400_allocate_resources()
477 	err = fw_iso_resources_allocate(&ff->rx_resources,  in ff400_allocate_resources()
478 			amdtp_stream_get_max_payload(&ff->rx_stream),  in ff400_allocate_resources()
479 			fw_parent_device(ff->unit)->max_speed);  in ff400_allocate_resources()
481 		fw_iso_resources_free(&ff->tx_resources);  in ff400_allocate_resources()
486 static int ff400_begin_session(struct snd_ff *ff, unsigned int rate)  in ff400_begin_session()  argument
488 	unsigned int generation = ff->rx_resources.generation;  in ff400_begin_session()
492 	if (generation != fw_parent_device(ff->unit)->card->generation) {  in ff400_begin_session()
493 		err = fw_iso_resources_update(&ff->tx_resources);  in ff400_begin_session()
497 		err = fw_iso_resources_update(&ff->rx_resources);  in ff400_begin_session()
504 	reg = cpu_to_le32(((ff->rx_stream.data_block_quadlets << 3) << 8) |  in ff400_begin_session()
505 			  ff->rx_resources.channel);  in ff400_begin_session()
506 	err = snd_fw_transaction(ff->unit, TCODE_WRITE_QUADLET_REQUEST,  in ff400_begin_session()
515 			  (ff->tx_resources.channel << 5) |  in ff400_begin_session()
516 			  (ff->tx_stream.data_block_quadlets));  in ff400_begin_session()
517 	err = snd_fw_transaction(ff->unit, TCODE_WRITE_QUADLET_REQUEST,  in ff400_begin_session()
524 	return snd_fw_transaction(ff->unit, TCODE_WRITE_QUADLET_REQUEST,  in ff400_begin_session()
528 static void ff400_finish_session(struct snd_ff *ff)  in ff400_finish_session()  argument
533 	snd_fw_transaction(ff->unit, TCODE_WRITE_QUADLET_REQUEST,  in ff400_finish_session()
537 static void parse_midi_msg(struct snd_ff *ff, u32 quad, unsigned int port)  in parse_midi_msg()  argument
539 	struct snd_rawmidi_substream *substream = READ_ONCE(ff->tx_midi_substreams[port]);  in parse_midi_msg()
559 static bool ff400_has_msg(struct snd_ff *ff)  in ff400_has_msg()  argument
561 	struct ff400_msg_parser *parser = ff->msg_parser;  in ff400_has_msg()
648 static void ff400_handle_msg(struct snd_ff *ff, unsigned int offset, const __le32 *buf,  in ff400_handle_msg()  argument
658 			struct ff400_msg_parser *parser = ff->msg_parser;  in ff400_handle_msg()
668 			parse_midi_msg(ff, quad, 0);  in ff400_handle_msg()
670 			parse_midi_msg(ff, quad, 1);  in ff400_handle_msg()
675 		wake_up(&ff->hwdep_wait);  in ff400_handle_msg()
678 static long ff400_copy_msg_to_user(struct snd_ff *ff, char __user *buf, long count)  in ff400_copy_msg_to_user()  argument
684 	struct ff400_msg_parser *parser = ff->msg_parser;  in ff400_copy_msg_to_user()
695 		spin_unlock_irq(&ff->lock);  in ff400_copy_msg_to_user()
699 		spin_lock_irq(&ff->lock);  in ff400_copy_msg_to_user()
711 	spin_unlock_irq(&ff->lock);  in ff400_copy_msg_to_user()
714 	spin_lock_irq(&ff->lock);  in ff400_copy_msg_to_user()