35 static int restore_dsp_rettings(struct echoaudio *chip);
42 static int wait_handshake(struct echoaudio *chip)  in wait_handshake()  argument
50 		if (chip->comm_page->handshake) {  in wait_handshake()
56 	dev_err(chip->card->dev, "wait_handshake(): Timeout waiting for DSP\n");  in wait_handshake()
66 static int send_vector(struct echoaudio *chip, u32 command)  in send_vector()  argument
74 		if (!(get_dsp_register(chip, CHI32_VECTOR_REG) &  in send_vector()
76 			set_dsp_register(chip, CHI32_VECTOR_REG, command);  in send_vector()
83 	dev_err(chip->card->dev, "timeout on send_vector\n");  in send_vector()
91 static int write_dsp(struct echoaudio *chip, u32 data)  in write_dsp()  argument
96 		status = get_dsp_register(chip, CHI32_STATUS_REG);  in write_dsp()
98 			set_dsp_register(chip, CHI32_DATA_REG, data);  in write_dsp()
106 	chip->bad_board = true;		/* Set true until DSP re-loaded */  in write_dsp()
107 	dev_dbg(chip->card->dev, "write_dsp: Set bad_board to true\n");  in write_dsp()
115 static int read_dsp(struct echoaudio *chip, u32 *data)  in read_dsp()  argument
120 		status = get_dsp_register(chip, CHI32_STATUS_REG);  in read_dsp()
122 			*data = get_dsp_register(chip, CHI32_DATA_REG);  in read_dsp()
129 	chip->bad_board = true;		/* Set true until DSP re-loaded */  in read_dsp()
130 	dev_err(chip->card->dev, "read_dsp: Set bad_board to true\n");  in read_dsp()
145 static int read_sn(struct echoaudio *chip)  in read_sn()  argument
151 		if (read_dsp(chip, &sn[i])) {  in read_sn()
152 			dev_err(chip->card->dev,  in read_sn()
157 	dev_dbg(chip->card->dev,  in read_sn()
167 static inline int check_asic_status(struct echoaudio *chip)  in check_asic_status()  argument
169 	chip->asic_loaded = true;  in check_asic_status()
180 static int load_asic_generic(struct echoaudio *chip, u32 cmd, short asic)  in load_asic_generic()  argument
187 	err = get_firmware(&fw, chip, asic);  in load_asic_generic()
189 		dev_warn(chip->card->dev, "Firmware not found !\n");  in load_asic_generic()
197 	if (write_dsp(chip, cmd) < 0)  in load_asic_generic()
201 	if (write_dsp(chip, size) < 0)  in load_asic_generic()
205 		if (write_dsp(chip, code[i]) < 0)  in load_asic_generic()
209 	free_firmware(fw, chip);  in load_asic_generic()
213 	dev_err(chip->card->dev, "failed on write_dsp\n");  in load_asic_generic()
214 	free_firmware(fw, chip);  in load_asic_generic()
227 static int install_resident_loader(struct echoaudio *chip)  in install_resident_loader()  argument
237 	if (chip->device_id != DEVICE_ID_56361)  in install_resident_loader()
242 	status = get_dsp_register(chip, CHI32_STATUS_REG);  in install_resident_loader()
244 		dev_dbg(chip->card->dev,  in install_resident_loader()
250 	i = get_firmware(&fw, chip, FW_361_LOADER);  in install_resident_loader()
252 		dev_warn(chip->card->dev, "Firmware not found !\n");  in install_resident_loader()
265 	set_dsp_register(chip, CHI32_CONTROL_REG,  in install_resident_loader()
266 			 get_dsp_register(chip, CHI32_CONTROL_REG) | 0x900);  in install_resident_loader()
286 	if (write_dsp(chip, words)) {  in install_resident_loader()
287 		dev_err(chip->card->dev,  in install_resident_loader()
292 	if (write_dsp(chip, address)) {  in install_resident_loader()
293 		dev_err(chip->card->dev,  in install_resident_loader()
302 		if (write_dsp(chip, data)) {  in install_resident_loader()
303 			dev_err(chip->card->dev,  in install_resident_loader()
313 		status = get_dsp_register(chip, CHI32_STATUS_REG);  in install_resident_loader()
319 		dev_err(chip->card->dev, "Resident loader failed to set HF5\n");  in install_resident_loader()
323 	dev_dbg(chip->card->dev, "Resident loader successfully installed\n");  in install_resident_loader()
324 	free_firmware(fw, chip);  in install_resident_loader()
328 	free_firmware(fw, chip);  in install_resident_loader()
335 static int load_dsp(struct echoaudio *chip, u16 *code)  in load_dsp()  argument
340 	if (chip->dsp_code == code) {  in load_dsp()
341 		dev_warn(chip->card->dev, "DSP is already loaded!\n");  in load_dsp()
344 	chip->bad_board = true;		/* Set true until DSP loaded */  in load_dsp()
345 	chip->dsp_code = NULL;		/* Current DSP code not loaded */  in load_dsp()
346 	chip->asic_loaded = false;	/* Loading the DSP code will reset the ASIC */  in load_dsp()
348 	dev_dbg(chip->card->dev, "load_dsp: Set bad_board to true\n");  in load_dsp()
352 	i = install_resident_loader(chip);  in load_dsp()
358 	if (send_vector(chip, DSP_VC_RESET) < 0) {  in load_dsp()
359 		dev_err(chip->card->dev,  in load_dsp()
368 		if (get_dsp_register(chip, CHI32_STATUS_REG) &  in load_dsp()
375 		dev_err(chip->card->dev,  in load_dsp()
381 	set_dsp_register(chip, CHI32_CONTROL_REG,  in load_dsp()
382 			 get_dsp_register(chip, CHI32_CONTROL_REG) | 0x900);  in load_dsp()
412 		if (write_dsp(chip, words) < 0) {  in load_dsp()
413 			dev_err(chip->card->dev,  in load_dsp()
417 		if (write_dsp(chip, address) < 0) {  in load_dsp()
418 			dev_err(chip->card->dev,  in load_dsp()
422 		if (write_dsp(chip, mem_type) < 0) {  in load_dsp()
423 			dev_err(chip->card->dev,  in load_dsp()
430 			if (write_dsp(chip, data) < 0) {  in load_dsp()
431 				dev_err(chip->card->dev,  in load_dsp()
438 	if (write_dsp(chip, 0) < 0) {	/* We're done!!! */  in load_dsp()
439 		dev_err(chip->card->dev,  in load_dsp()
447 		if (get_dsp_register(chip, CHI32_STATUS_REG) &  in load_dsp()
449 			set_dsp_register(chip, CHI32_CONTROL_REG,  in load_dsp()
450 					 get_dsp_register(chip, CHI32_CONTROL_REG) & ~0x1b00);  in load_dsp()
452 			if (write_dsp(chip, DSP_FNC_SET_COMMPAGE_ADDR) < 0) {  in load_dsp()
453 				dev_err(chip->card->dev,  in load_dsp()
458 			if (write_dsp(chip, chip->comm_page_phys) < 0) {  in load_dsp()
459 				dev_err(chip->card->dev,  in load_dsp()
468 			if (read_sn(chip) < 0) {  in load_dsp()
469 				dev_err(chip->card->dev,  in load_dsp()
474 			chip->dsp_code = code;		/* Show which DSP code loaded */  in load_dsp()
475 			chip->bad_board = false;	/* DSP OK */  in load_dsp()
481 	dev_err(chip->card->dev,  in load_dsp()
489 static int load_firmware(struct echoaudio *chip)  in load_firmware()  argument
494 	if (snd_BUG_ON(!chip->comm_page))  in load_firmware()
498 	if (chip->dsp_code) {  in load_firmware()
499 		box_type = check_asic_status(chip);  in load_firmware()
503 		chip->dsp_code = NULL;  in load_firmware()
506 	err = get_firmware(&fw, chip, chip->dsp_code_to_load);  in load_firmware()
509 	err = load_dsp(chip, (u16 *)fw->data);  in load_firmware()
510 	free_firmware(fw, chip);  in load_firmware()
514 	box_type = load_asic(chip);  in load_firmware()
531 static int set_nominal_level(struct echoaudio *chip, u16 index, char consumer)  in set_nominal_level()  argument
533 	if (snd_BUG_ON(index >= num_busses_out(chip) + num_busses_in(chip)))  in set_nominal_level()
537 	if (wait_handshake(chip))  in set_nominal_level()
540 	chip->nominal_level[index] = consumer;  in set_nominal_level()
543 		chip->comm_page->nominal_level_mask |= cpu_to_le32(1 << index);  in set_nominal_level()
545 		chip->comm_page->nominal_level_mask &= ~cpu_to_le32(1 << index);  in set_nominal_level()
555 static int set_output_gain(struct echoaudio *chip, u16 channel, s8 gain)  in set_output_gain()  argument
557 	if (snd_BUG_ON(channel >= num_busses_out(chip)))  in set_output_gain()
560 	if (wait_handshake(chip))  in set_output_gain()
564 	chip->output_gain[channel] = gain;  in set_output_gain()
565 	chip->comm_page->line_out_level[channel] = gain;  in set_output_gain()
573 static int set_monitor_gain(struct echoaudio *chip, u16 output, u16 input,  in set_monitor_gain()  argument
576 	if (snd_BUG_ON(output >= num_busses_out(chip) ||  in set_monitor_gain()
577 		    input >= num_busses_in(chip)))  in set_monitor_gain()
580 	if (wait_handshake(chip))  in set_monitor_gain()
583 	chip->monitor_gain[output][input] = gain;  in set_monitor_gain()
584 	chip->comm_page->monitors[monitor_index(chip, output, input)] = gain;  in set_monitor_gain()
591 static int update_output_line_level(struct echoaudio *chip)  in update_output_line_level()  argument
593 	if (wait_handshake(chip))  in update_output_line_level()
595 	clear_handshake(chip);  in update_output_line_level()
596 	return send_vector(chip, DSP_VC_UPDATE_OUTVOL);  in update_output_line_level()
602 static int update_input_line_level(struct echoaudio *chip)  in update_input_line_level()  argument
604 	if (wait_handshake(chip))  in update_input_line_level()
606 	clear_handshake(chip);  in update_input_line_level()
607 	return send_vector(chip, DSP_VC_UPDATE_INGAIN);  in update_input_line_level()
614 static void set_meters_on(struct echoaudio *chip, char on)  in set_meters_on()  argument
616 	if (on && !chip->meters_enabled) {  in set_meters_on()
617 		send_vector(chip, DSP_VC_METERS_ON);  in set_meters_on()
618 		chip->meters_enabled = 1;  in set_meters_on()
619 	} else if (!on && chip->meters_enabled) {  in set_meters_on()
620 		send_vector(chip, DSP_VC_METERS_OFF);  in set_meters_on()
621 		chip->meters_enabled = 0;  in set_meters_on()
622 		memset((s8 *)chip->comm_page->vu_meter, ECHOGAIN_MUTED,  in set_meters_on()
624 		memset((s8 *)chip->comm_page->peak_meter, ECHOGAIN_MUTED,  in set_meters_on()
639 static void get_audio_meters(struct echoaudio *chip, long *meters)  in get_audio_meters()  argument
646 	for (m = 0, n = 0, i = 0; i < num_busses_out(chip); i++, m++) {  in get_audio_meters()
647 		meters[n++] = chip->comm_page->vu_meter[m];  in get_audio_meters()
648 		meters[n++] = chip->comm_page->peak_meter[m];  in get_audio_meters()
655 	for (n = 32, i = 0; i < num_busses_in(chip); i++, m++) {  in get_audio_meters()
656 		meters[n++] = chip->comm_page->vu_meter[m];  in get_audio_meters()
657 		meters[n++] = chip->comm_page->peak_meter[m];  in get_audio_meters()
660 	for (n = 64, i = 0; i < num_pipes_out(chip); i++, m++) {  in get_audio_meters()
661 		meters[n++] = chip->comm_page->vu_meter[m];  in get_audio_meters()
662 		meters[n++] = chip->comm_page->peak_meter[m];  in get_audio_meters()
669 static int restore_dsp_rettings(struct echoaudio *chip)  in restore_dsp_rettings()  argument
673 	err = check_asic_status(chip);  in restore_dsp_rettings()
678 	chip->comm_page->gd_clock_state = GD_CLOCK_UNDEF;  in restore_dsp_rettings()
679 	chip->comm_page->gd_spdif_status = GD_SPDIF_STATUS_UNDEF;  in restore_dsp_rettings()
680 	chip->comm_page->handshake = cpu_to_le32(0xffffffff);  in restore_dsp_rettings()
683 	for (i = 0; i < num_busses_out(chip); i++) {  in restore_dsp_rettings()
684 		err = set_output_gain(chip, i, chip->output_gain[i]);  in restore_dsp_rettings()
690 	for (i = 0; i < num_pipes_out(chip); i++)  in restore_dsp_rettings()
691 		for (o = 0; o < num_busses_out(chip); o++) {  in restore_dsp_rettings()
692 			err = set_vmixer_gain(chip, o, i,  in restore_dsp_rettings()
693 						chip->vmixer_gain[o][i]);  in restore_dsp_rettings()
697 	if (update_vmixer_level(chip) < 0)  in restore_dsp_rettings()
702 	for (o = 0; o < num_busses_out(chip); o++)  in restore_dsp_rettings()
703 		for (i = 0; i < num_busses_in(chip); i++) {  in restore_dsp_rettings()
704 			err = set_monitor_gain(chip, o, i,  in restore_dsp_rettings()
705 						chip->monitor_gain[o][i]);  in restore_dsp_rettings()
712 	for (i = 0; i < num_busses_in(chip); i++) {  in restore_dsp_rettings()
713 		err = set_input_gain(chip, i, chip->input_gain[i]);  in restore_dsp_rettings()
719 	err = update_output_line_level(chip);  in restore_dsp_rettings()
723 	err = update_input_line_level(chip);  in restore_dsp_rettings()
727 	err = set_sample_rate(chip, chip->sample_rate);  in restore_dsp_rettings()
731 	if (chip->meters_enabled) {  in restore_dsp_rettings()
732 		err = send_vector(chip, DSP_VC_METERS_ON);  in restore_dsp_rettings()
738 	if (set_digital_mode(chip, chip->digital_mode) < 0)  in restore_dsp_rettings()
743 	if (set_professional_spdif(chip, chip->professional_spdif) < 0)  in restore_dsp_rettings()
748 	if (set_phantom_power(chip, chip->phantom_power) < 0)  in restore_dsp_rettings()
754 	if (set_input_clock(chip, chip->input_clock) < 0)  in restore_dsp_rettings()
759 	if (set_output_clock(chip, chip->output_clock) < 0)  in restore_dsp_rettings()
763 	if (wait_handshake(chip) < 0)  in restore_dsp_rettings()
765 	clear_handshake(chip);  in restore_dsp_rettings()
766 	if (send_vector(chip, DSP_VC_UPDATE_FLAGS) < 0)  in restore_dsp_rettings()
781 static void set_audio_format(struct echoaudio *chip, u16 pipe_index,  in set_audio_format()  argument
848 	dev_dbg(chip->card->dev,  in set_audio_format()
850 	chip->comm_page->audio_format[pipe_index] = cpu_to_le16(dsp_format);  in set_audio_format()
859 static int start_transport(struct echoaudio *chip, u32 channel_mask,  in start_transport()  argument
863 	if (wait_handshake(chip))  in start_transport()
866 	chip->comm_page->cmd_start |= cpu_to_le32(channel_mask);  in start_transport()
868 	if (chip->comm_page->cmd_start) {  in start_transport()
869 		clear_handshake(chip);  in start_transport()
870 		send_vector(chip, DSP_VC_START_TRANSFER);  in start_transport()
871 		if (wait_handshake(chip))  in start_transport()
874 		chip->active_mask |= channel_mask;  in start_transport()
875 		chip->comm_page->cmd_start = 0;  in start_transport()
879 	dev_err(chip->card->dev, "start_transport: No pipes to start!\n");  in start_transport()
885 static int pause_transport(struct echoaudio *chip, u32 channel_mask)  in pause_transport()  argument
888 	if (wait_handshake(chip))  in pause_transport()
891 	chip->comm_page->cmd_stop |= cpu_to_le32(channel_mask);  in pause_transport()
892 	chip->comm_page->cmd_reset = 0;  in pause_transport()
893 	if (chip->comm_page->cmd_stop) {  in pause_transport()
894 		clear_handshake(chip);  in pause_transport()
895 		send_vector(chip, DSP_VC_STOP_TRANSFER);  in pause_transport()
896 		if (wait_handshake(chip))  in pause_transport()
899 		chip->active_mask &= ~channel_mask;  in pause_transport()
900 		chip->comm_page->cmd_stop = 0;  in pause_transport()
901 		chip->comm_page->cmd_reset = 0;  in pause_transport()
905 	dev_dbg(chip->card->dev, "pause_transport: No pipes to stop!\n");  in pause_transport()
911 static int stop_transport(struct echoaudio *chip, u32 channel_mask)  in stop_transport()  argument
914 	if (wait_handshake(chip))  in stop_transport()
917 	chip->comm_page->cmd_stop |= cpu_to_le32(channel_mask);  in stop_transport()
918 	chip->comm_page->cmd_reset |= cpu_to_le32(channel_mask);  in stop_transport()
919 	if (chip->comm_page->cmd_reset) {  in stop_transport()
920 		clear_handshake(chip);  in stop_transport()
921 		send_vector(chip, DSP_VC_STOP_TRANSFER);  in stop_transport()
922 		if (wait_handshake(chip))  in stop_transport()
925 		chip->active_mask &= ~channel_mask;  in stop_transport()
926 		chip->comm_page->cmd_stop = 0;  in stop_transport()
927 		chip->comm_page->cmd_reset = 0;  in stop_transport()
931 	dev_dbg(chip->card->dev, "stop_transport: No pipes to stop!\n");  in stop_transport()
937 static inline int is_pipe_allocated(struct echoaudio *chip, u16 pipe_index)  in is_pipe_allocated()  argument
939 	return (chip->pipe_alloc_mask & (1 << pipe_index));  in is_pipe_allocated()
946 static int rest_in_peace(struct echoaudio *chip)  in rest_in_peace()  argument
950 	stop_transport(chip, chip->active_mask);  in rest_in_peace()
952 	set_meters_on(chip, false);  in rest_in_peace()
955 	enable_midi_input(chip, false);  in rest_in_peace()
959 	if (chip->dsp_code) {  in rest_in_peace()
961 		chip->dsp_code = NULL;  in rest_in_peace()
963 		return send_vector(chip, DSP_VC_GO_COMATOSE);  in rest_in_peace()
971 static int init_dsp_comm_page(struct echoaudio *chip)  in init_dsp_comm_page()  argument
975 		dev_err(chip->card->dev,  in init_dsp_comm_page()
981 	chip->card_name = ECHOCARD_NAME;  in init_dsp_comm_page()
982 	chip->bad_board = true;	/* Set true until DSP loaded */  in init_dsp_comm_page()
983 	chip->dsp_code = NULL;	/* Current DSP code not loaded */  in init_dsp_comm_page()
984 	chip->asic_loaded = false;  in init_dsp_comm_page()
985 	memset(chip->comm_page, 0, sizeof(struct comm_page));  in init_dsp_comm_page()
988 	chip->comm_page->comm_size =  in init_dsp_comm_page()
990 	chip->comm_page->handshake = cpu_to_le32(0xffffffff);  in init_dsp_comm_page()
991 	chip->comm_page->midi_out_free_count =  in init_dsp_comm_page()
993 	chip->comm_page->sample_rate = cpu_to_le32(44100);  in init_dsp_comm_page()
996 	memset(chip->comm_page->monitors, ECHOGAIN_MUTED, MONITOR_ARRAY_SIZE);  in init_dsp_comm_page()
997 	memset(chip->comm_page->vmixer, ECHOGAIN_MUTED, VMIXER_ARRAY_SIZE);  in init_dsp_comm_page()
1008 static int init_line_levels(struct echoaudio *chip)  in init_line_levels()  argument
1010 	memset(chip->output_gain, ECHOGAIN_MUTED, sizeof(chip->output_gain));  in init_line_levels()
1011 	memset(chip->input_gain, ECHOGAIN_MUTED, sizeof(chip->input_gain));  in init_line_levels()
1012 	memset(chip->monitor_gain, ECHOGAIN_MUTED, sizeof(chip->monitor_gain));  in init_line_levels()
1013 	memset(chip->vmixer_gain, ECHOGAIN_MUTED, sizeof(chip->vmixer_gain));  in init_line_levels()
1014 	chip->input_clock = ECHO_CLOCK_INTERNAL;  in init_line_levels()
1015 	chip->output_clock = ECHO_CLOCK_WORD;  in init_line_levels()
1016 	chip->sample_rate = 44100;  in init_line_levels()
1017 	return restore_dsp_rettings(chip);  in init_line_levels()
1025 static int service_irq(struct echoaudio *chip)  in service_irq()  argument
1030 	if (get_dsp_register(chip, CHI32_STATUS_REG) & CHI32_STATUS_IRQ) {  in service_irq()
1034 		if (chip->comm_page->midi_input[0])	/* The count is at index 0 */  in service_irq()
1035 			st = midi_service_irq(chip);	/* Returns how many midi bytes we received */  in service_irq()
1038 		chip->comm_page->midi_input[0] = 0;  in service_irq()
1039 		send_vector(chip, DSP_VC_ACK_INT);  in service_irq()
1054 static int allocate_pipes(struct echoaudio *chip, struct audiopipe *pipe,  in allocate_pipes()  argument
1060 	dev_dbg(chip->card->dev,  in allocate_pipes()
1063 	if (chip->bad_board)  in allocate_pipes()
1068 	if (chip->pipe_alloc_mask & channel_mask) {  in allocate_pipes()
1069 		dev_err(chip->card->dev,  in allocate_pipes()
1074 	chip->comm_page->position[pipe_index] = 0;  in allocate_pipes()
1075 	chip->pipe_alloc_mask |= channel_mask;  in allocate_pipes()
1077 	chip->pipe_cyclic_mask |= channel_mask;  in allocate_pipes()
1085 	pipe->dma_counter = (__le32 *)&chip->comm_page->position[pipe_index];  in allocate_pipes()
1092 static int free_pipes(struct echoaudio *chip, struct audiopipe *pipe)  in free_pipes()  argument
1097 	if (snd_BUG_ON(!is_pipe_allocated(chip, pipe->index)))  in free_pipes()
1105 	chip->pipe_alloc_mask &= ~channel_mask;  in free_pipes()
1106 	chip->pipe_cyclic_mask &= ~channel_mask;  in free_pipes()
1116 static int sglist_init(struct echoaudio *chip, struct audiopipe *pipe)  in sglist_init()  argument
1120 	chip->comm_page->sglist_addr[pipe->index].addr =  in sglist_init()
1127 static int sglist_add_mapping(struct echoaudio *chip, struct audiopipe *pipe,  in sglist_add_mapping()  argument
1138 		dev_err(chip->card->dev, "SGlist: too many fragments\n");  in sglist_add_mapping()
1146 static inline int sglist_add_irq(struct echoaudio *chip, struct audiopipe *pipe)  in sglist_add_irq()  argument
1148 	return sglist_add_mapping(chip, pipe, 0, 0);  in sglist_add_irq()
1153 static inline int sglist_wrap(struct echoaudio *chip, struct audiopipe *pipe)  in sglist_wrap()  argument
1155 	return sglist_add_mapping(chip, pipe, pipe->sgpage.addr, 0);  in sglist_wrap()