92 static int lx_set_granularity(struct lx6464es *chip, u32 gran);
95 static int lx_hardware_open(struct lx6464es *chip,  in lx_hardware_open()  argument
105 	dev_dbg(chip->card->dev, "allocating pipe for %d channels\n", channels);  in lx_hardware_open()
106 	err = lx_pipe_allocate(chip, 0, is_capture, channels);  in lx_hardware_open()
108 		dev_err(chip->card->dev, LXP "allocating pipe failed\n");  in lx_hardware_open()
112 	err = lx_set_granularity(chip, period_size);  in lx_hardware_open()
114 		dev_err(chip->card->dev, "setting granularity to %ld failed\n",  in lx_hardware_open()
122 static int lx_hardware_start(struct lx6464es *chip,  in lx_hardware_start()  argument
129 	dev_dbg(chip->card->dev, "setting stream format\n");  in lx_hardware_start()
130 	err = lx_stream_set_format(chip, runtime, 0, is_capture);  in lx_hardware_start()
132 		dev_err(chip->card->dev, "setting stream format failed\n");  in lx_hardware_start()
136 	dev_dbg(chip->card->dev, "starting pipe\n");  in lx_hardware_start()
137 	err = lx_pipe_start(chip, 0, is_capture);  in lx_hardware_start()
139 		dev_err(chip->card->dev, "starting pipe failed\n");  in lx_hardware_start()
143 	dev_dbg(chip->card->dev, "waiting for pipe to start\n");  in lx_hardware_start()
144 	err = lx_pipe_wait_for_start(chip, 0, is_capture);  in lx_hardware_start()
146 		dev_err(chip->card->dev, "waiting for pipe failed\n");  in lx_hardware_start()
154 static int lx_hardware_stop(struct lx6464es *chip,  in lx_hardware_stop()  argument
160 	dev_dbg(chip->card->dev, "pausing pipe\n");  in lx_hardware_stop()
161 	err = lx_pipe_pause(chip, 0, is_capture);  in lx_hardware_stop()
163 		dev_err(chip->card->dev, "pausing pipe failed\n");  in lx_hardware_stop()
167 	dev_dbg(chip->card->dev, "waiting for pipe to become idle\n");  in lx_hardware_stop()
168 	err = lx_pipe_wait_for_idle(chip, 0, is_capture);  in lx_hardware_stop()
170 		dev_err(chip->card->dev, "waiting for pipe failed\n");  in lx_hardware_stop()
174 	dev_dbg(chip->card->dev, "stopping pipe\n");  in lx_hardware_stop()
175 	err = lx_pipe_stop(chip, 0, is_capture);  in lx_hardware_stop()
177 		dev_err(chip->card->dev, "stopping pipe failed\n");  in lx_hardware_stop()
185 static int lx_hardware_close(struct lx6464es *chip,  in lx_hardware_close()  argument
191 	dev_dbg(chip->card->dev, "releasing pipe\n");  in lx_hardware_close()
192 	err = lx_pipe_release(chip, 0, is_capture);  in lx_hardware_close()
194 		dev_err(chip->card->dev, "releasing pipe failed\n");  in lx_hardware_close()
204 	struct lx6464es *chip = snd_pcm_substream_chip(substream);  in lx_pcm_open()  local
209 	dev_dbg(chip->card->dev, "->lx_pcm_open\n");  in lx_pcm_open()
210 	mutex_lock(&chip->setup_mutex);  in lx_pcm_open()
220 		dev_warn(chip->card->dev, "could not constrain periods\n");  in lx_pcm_open()
226 	board_rate = chip->board_sample_rate;  in lx_pcm_open()
231 		dev_warn(chip->card->dev, "could not constrain periods\n");  in lx_pcm_open()
241 		dev_warn(chip->card->dev,  in lx_pcm_open()
253 	runtime->private_data = chip;  in lx_pcm_open()
255 	mutex_unlock(&chip->setup_mutex);  in lx_pcm_open()
256 	dev_dbg(chip->card->dev, "<-lx_pcm_open, %d\n", err);  in lx_pcm_open()
269 	struct lx6464es *chip = snd_pcm_substream_chip(substream);  in lx_pcm_stream_pointer()  local
273 	struct lx_stream *lx_stream = is_capture ? &chip->capture_stream :  in lx_pcm_stream_pointer()
274 		&chip->playback_stream;  in lx_pcm_stream_pointer()
276 	dev_dbg(chip->card->dev, "->lx_pcm_stream_pointer\n");  in lx_pcm_stream_pointer()
278 	mutex_lock(&chip->lock);  in lx_pcm_stream_pointer()
280 	mutex_unlock(&chip->lock);  in lx_pcm_stream_pointer()
282 	dev_dbg(chip->card->dev, "stream_pointer at %ld\n", pos);  in lx_pcm_stream_pointer()
288 	struct lx6464es *chip = snd_pcm_substream_chip(substream);  in lx_pcm_prepare()  local
292 	dev_dbg(chip->card->dev, "->lx_pcm_prepare\n");  in lx_pcm_prepare()
294 	mutex_lock(&chip->setup_mutex);  in lx_pcm_prepare()
296 	if (chip->hardware_running[is_capture]) {  in lx_pcm_prepare()
297 		err = lx_hardware_stop(chip, substream);  in lx_pcm_prepare()
299 			dev_err(chip->card->dev, "failed to stop hardware. "  in lx_pcm_prepare()
304 		err = lx_hardware_close(chip, substream);  in lx_pcm_prepare()
306 			dev_err(chip->card->dev, "failed to close hardware. "  in lx_pcm_prepare()
312 	dev_dbg(chip->card->dev, "opening hardware\n");  in lx_pcm_prepare()
313 	err = lx_hardware_open(chip, substream);  in lx_pcm_prepare()
315 		dev_err(chip->card->dev, "failed to open hardware. "  in lx_pcm_prepare()
320 	err = lx_hardware_start(chip, substream);  in lx_pcm_prepare()
322 		dev_err(chip->card->dev, "failed to start hardware. "  in lx_pcm_prepare()
327 	chip->hardware_running[is_capture] = 1;  in lx_pcm_prepare()
329 	if (chip->board_sample_rate != substream->runtime->rate) {  in lx_pcm_prepare()
331 			chip->board_sample_rate = substream->runtime->rate;  in lx_pcm_prepare()
335 	mutex_unlock(&chip->setup_mutex);  in lx_pcm_prepare()
342 	struct lx6464es *chip = snd_pcm_substream_chip(substream);  in lx_pcm_hw_params()  local
344 	dev_dbg(chip->card->dev, "->lx_pcm_hw_params\n");  in lx_pcm_hw_params()
346 	mutex_lock(&chip->setup_mutex);  in lx_pcm_hw_params()
349 		chip->capture_stream.stream = substream;  in lx_pcm_hw_params()
351 		chip->playback_stream.stream = substream;  in lx_pcm_hw_params()
353 	mutex_unlock(&chip->setup_mutex);  in lx_pcm_hw_params()
371 	struct lx6464es *chip = snd_pcm_substream_chip(substream);  in lx_pcm_hw_free()  local
375 	dev_dbg(chip->card->dev, "->lx_pcm_hw_free\n");  in lx_pcm_hw_free()
376 	mutex_lock(&chip->setup_mutex);  in lx_pcm_hw_free()
378 	if (chip->hardware_running[is_capture]) {  in lx_pcm_hw_free()
379 		err = lx_hardware_stop(chip, substream);  in lx_pcm_hw_free()
381 			dev_err(chip->card->dev, "failed to stop hardware. "  in lx_pcm_hw_free()
386 		err = lx_hardware_close(chip, substream);  in lx_pcm_hw_free()
388 			dev_err(chip->card->dev, "failed to close hardware. "  in lx_pcm_hw_free()
393 		chip->hardware_running[is_capture] = 0;  in lx_pcm_hw_free()
397 		chip->capture_stream.stream = NULL;  in lx_pcm_hw_free()
399 		chip->playback_stream.stream = NULL;  in lx_pcm_hw_free()
402 	mutex_unlock(&chip->setup_mutex);  in lx_pcm_hw_free()
406 static void lx_trigger_start(struct lx6464es *chip, struct lx_stream *lx_stream)  in lx_trigger_start()  argument
428 		err = lx_buffer_ask(chip, 0, is_capture, &needed, &freed,  in lx_trigger_start()
430 		dev_dbg(chip->card->dev, "starting: needed %d, freed %d\n",  in lx_trigger_start()
433 		err = lx_buffer_give(chip, 0, is_capture, period_bytes,  in lx_trigger_start()
437 		dev_dbg(chip->card->dev, "starting: buffer index %x on 0x%lx (%d bytes)\n",  in lx_trigger_start()
442 	err = lx_buffer_ask(chip, 0, is_capture, &needed, &freed, size_array);  in lx_trigger_start()
443 	dev_dbg(chip->card->dev, "starting: needed %d, freed %d\n", needed, freed);  in lx_trigger_start()
445 	dev_dbg(chip->card->dev, "starting: starting stream\n");  in lx_trigger_start()
446 	err = lx_stream_start(chip, 0, is_capture);  in lx_trigger_start()
448 		dev_err(chip->card->dev, "couldn't start stream\n");  in lx_trigger_start()
455 static void lx_trigger_stop(struct lx6464es *chip, struct lx_stream *lx_stream)  in lx_trigger_stop()  argument
460 	dev_dbg(chip->card->dev, "stopping: stopping stream\n");  in lx_trigger_stop()
461 	err = lx_stream_stop(chip, 0, is_capture);  in lx_trigger_stop()
463 		dev_err(chip->card->dev, "couldn't stop stream\n");  in lx_trigger_stop()
469 static void lx_trigger_dispatch_stream(struct lx6464es *chip,  in lx_trigger_dispatch_stream()  argument
474 		lx_trigger_start(chip, lx_stream);  in lx_trigger_dispatch_stream()
478 		lx_trigger_stop(chip, lx_stream);  in lx_trigger_dispatch_stream()
486 static int lx_pcm_trigger_dispatch(struct lx6464es *chip,  in lx_pcm_trigger_dispatch()  argument
491 	mutex_lock(&chip->lock);  in lx_pcm_trigger_dispatch()
506 	lx_trigger_dispatch_stream(chip, &chip->capture_stream);  in lx_pcm_trigger_dispatch()
507 	lx_trigger_dispatch_stream(chip, &chip->playback_stream);  in lx_pcm_trigger_dispatch()
510 	mutex_unlock(&chip->lock);  in lx_pcm_trigger_dispatch()
517 	struct lx6464es *chip = snd_pcm_substream_chip(substream);  in lx_pcm_trigger()  local
519 	struct lx_stream *stream = is_capture ? &chip->capture_stream :  in lx_pcm_trigger()
520 		&chip->playback_stream;  in lx_pcm_trigger()
522 	dev_dbg(chip->card->dev, "->lx_pcm_trigger\n");  in lx_pcm_trigger()
524 	return lx_pcm_trigger_dispatch(chip, stream, cmd);  in lx_pcm_trigger()
529 	struct lx6464es *chip = card->private_data;  in snd_lx6464es_free()  local
531 	lx_irq_disable(chip);  in snd_lx6464es_free()
535 static int lx_init_xilinx_reset(struct lx6464es *chip)  in lx_init_xilinx_reset()  argument
538 	u32 plx_reg = lx_plx_reg_read(chip, ePLX_CHIPSC);  in lx_init_xilinx_reset()
540 	dev_dbg(chip->card->dev, "->lx_init_xilinx_reset\n");  in lx_init_xilinx_reset()
545 	lx_plx_reg_write(chip, ePLX_CHIPSC, plx_reg);  in lx_init_xilinx_reset()
548 	lx_plx_reg_write(chip, ePLX_MBOX3, 0);  in lx_init_xilinx_reset()
552 	lx_plx_reg_write(chip, ePLX_CHIPSC, plx_reg);  in lx_init_xilinx_reset()
558 		reg_mbox3 = lx_plx_reg_read(chip, ePLX_MBOX3);  in lx_init_xilinx_reset()
560 			dev_dbg(chip->card->dev, "xilinx reset done\n");  in lx_init_xilinx_reset()
561 			dev_dbg(chip->card->dev, "xilinx took %d loops\n", i);  in lx_init_xilinx_reset()
569 	lx_dsp_reg_write(chip, eReg_CSM, 0);  in lx_init_xilinx_reset()
577 static int lx_init_xilinx_test(struct lx6464es *chip)  in lx_init_xilinx_test()  argument
581 	dev_dbg(chip->card->dev, "->lx_init_xilinx_test\n");  in lx_init_xilinx_test()
584 	lx_dsp_reg_write(chip, eReg_CSM, 0);  in lx_init_xilinx_test()
586 	reg = lx_dsp_reg_read(chip, eReg_CSM);  in lx_init_xilinx_test()
589 		dev_err(chip->card->dev, "Problem: Reg_CSM %x.\n", reg);  in lx_init_xilinx_test()
592 		lx_plx_reg_write(chip, ePLX_PCICR, 1);  in lx_init_xilinx_test()
594 		reg = lx_dsp_reg_read(chip, eReg_CSM);  in lx_init_xilinx_test()
596 			dev_err(chip->card->dev, "Error: Reg_CSM %x.\n", reg);  in lx_init_xilinx_test()
601 	dev_dbg(chip->card->dev, "Xilinx/MicroBlaze access test successful\n");  in lx_init_xilinx_test()
607 static int lx_init_ethersound_config(struct lx6464es *chip)  in lx_init_ethersound_config()  argument
610 	u32 orig_conf_es = lx_dsp_reg_read(chip, eReg_CONFES);  in lx_init_ethersound_config()
618 	dev_dbg(chip->card->dev, "->lx_init_ethersound\n");  in lx_init_ethersound_config()
620 	chip->freq_ratio = FREQ_RATIO_SINGLE_MODE;  in lx_init_ethersound_config()
628 	lx_dsp_reg_write(chip, eReg_CONFES, conf_es);  in lx_init_ethersound_config()
631 		if (lx_dsp_reg_read(chip, eReg_CSES) & 4) {  in lx_init_ethersound_config()
632 			dev_dbg(chip->card->dev, "ethersound initialized after %dms\n",  in lx_init_ethersound_config()
638 	dev_warn(chip->card->dev,  in lx_init_ethersound_config()
643 	dev_dbg(chip->card->dev, "ethersound initialized\n");  in lx_init_ethersound_config()
647 static int lx_init_get_version_features(struct lx6464es *chip)  in lx_init_get_version_features()  argument
653 	dev_dbg(chip->card->dev, "->lx_init_get_version_features\n");  in lx_init_get_version_features()
655 	err = lx_dsp_get_version(chip, &dsp_version);  in lx_init_get_version_features()
660 		dev_info(chip->card->dev, "DSP version: V%02d.%02d #%d\n",  in lx_init_get_version_features()
672 		err = lx_dsp_get_clock_frequency(chip, &freq);  in lx_init_get_version_features()
674 			chip->board_sample_rate = freq;  in lx_init_get_version_features()
675 		dev_dbg(chip->card->dev, "actual clock frequency %d\n", freq);  in lx_init_get_version_features()
677 		dev_err(chip->card->dev, "DSP corrupted \n");  in lx_init_get_version_features()
684 static int lx_set_granularity(struct lx6464es *chip, u32 gran)  in lx_set_granularity()  argument
689 	dev_dbg(chip->card->dev, "->lx_set_granularity\n");  in lx_set_granularity()
697 	if (snapped_gran == chip->pcm_granularity)  in lx_set_granularity()
700 	err = lx_dsp_set_granularity(chip, snapped_gran);  in lx_set_granularity()
702 		dev_warn(chip->card->dev, "could not set granularity\n");  in lx_set_granularity()
707 		dev_err(chip->card->dev, "snapped blocksize to %d\n", snapped_gran);  in lx_set_granularity()
709 	dev_dbg(chip->card->dev, "set blocksize on board %d\n", snapped_gran);  in lx_set_granularity()
710 	chip->pcm_granularity = snapped_gran;  in lx_set_granularity()
715 /* initialize and test the xilinx dsp chip */
716 static int lx_init_dsp(struct lx6464es *chip)  in lx_init_dsp()  argument
721 	dev_dbg(chip->card->dev, "->lx_init_dsp\n");  in lx_init_dsp()
723 	dev_dbg(chip->card->dev, "initialize board\n");  in lx_init_dsp()
724 	err = lx_init_xilinx_reset(chip);  in lx_init_dsp()
728 	dev_dbg(chip->card->dev, "testing board\n");  in lx_init_dsp()
729 	err = lx_init_xilinx_test(chip);  in lx_init_dsp()
733 	dev_dbg(chip->card->dev, "initialize ethersound configuration\n");  in lx_init_dsp()
734 	err = lx_init_ethersound_config(chip);  in lx_init_dsp()
738 	lx_irq_enable(chip);  in lx_init_dsp()
743 		err = lx_dsp_get_mac(chip);  in lx_init_dsp()
746 		if (chip->mac_address[0] || chip->mac_address[1] || chip->mac_address[2] ||  in lx_init_dsp()
747 		    chip->mac_address[3] || chip->mac_address[4] || chip->mac_address[5])  in lx_init_dsp()
754 	dev_dbg(chip->card->dev, "mac address ready read after: %dms\n", i);  in lx_init_dsp()
755 	dev_info(chip->card->dev,  in lx_init_dsp()
757 		   chip->mac_address[0], chip->mac_address[1], chip->mac_address[2],  in lx_init_dsp()
758 		   chip->mac_address[3], chip->mac_address[4], chip->mac_address[5]);  in lx_init_dsp()
760 	err = lx_init_get_version_features(chip);  in lx_init_dsp()
764 	lx_set_granularity(chip, MICROBLAZE_IBL_DEFAULT);  in lx_init_dsp()
766 	chip->playback_mute = 0;  in lx_init_dsp()
791 static int lx_pcm_create(struct lx6464es *chip)  in lx_pcm_create()  argument
805 	err = snd_pcm_new(chip->card, (char *)card_name, 0,  in lx_pcm_create()
810 	pcm->private_data = chip;  in lx_pcm_create()
820 				       &chip->pci->dev, size, size);  in lx_pcm_create()
822 	chip->pcm = pcm;  in lx_pcm_create()
823 	chip->capture_stream.is_capture = 1;  in lx_pcm_create()
841 	struct lx6464es *chip = snd_kcontrol_chip(kcontrol);  in lx_control_playback_get()  local
842 	ucontrol->value.integer.value[0] = chip->playback_mute;  in lx_control_playback_get()
849 	struct lx6464es *chip = snd_kcontrol_chip(kcontrol);  in lx_control_playback_put()  local
851 	int current_value = chip->playback_mute;  in lx_control_playback_put()
854 		lx_level_unmute(chip, 0, !current_value);  in lx_control_playback_put()
855 		chip->playback_mute = !current_value;  in lx_control_playback_put()
880 	struct lx6464es *chip = entry->private_data;  in lx_proc_levels_read()  local
883 	err = lx_level_peaks(chip, 1, 64, levels);  in lx_proc_levels_read()
895 	err = lx_level_peaks(chip, 0, 64, levels);  in lx_proc_levels_read()
908 static int lx_proc_create(struct snd_card *card, struct lx6464es *chip)  in lx_proc_create()  argument
910 	return snd_card_ro_proc_new(card, "levels", chip, lx_proc_levels_read);  in lx_proc_create()
917 	struct lx6464es *chip = card->private_data;  in snd_lx6464es_create()  local
937 	chip->card = card;  in snd_lx6464es_create()
938 	chip->pci = pci;  in snd_lx6464es_create()
939 	chip->irq = -1;  in snd_lx6464es_create()
942 	mutex_init(&chip->lock);  in snd_lx6464es_create()
943 	mutex_init(&chip->msg_lock);  in snd_lx6464es_create()
944 	mutex_init(&chip->setup_mutex);  in snd_lx6464es_create()
952 	chip->port_plx = pci_resource_start(pci, 1);  in snd_lx6464es_create()
953 	chip->port_plx_remapped = devm_ioport_map(&pci->dev, chip->port_plx,  in snd_lx6464es_create()
955 	if (!chip->port_plx_remapped)  in snd_lx6464es_create()
959 	chip->port_dsp_bar = pcim_iomap(pci, 2, 0);  in snd_lx6464es_create()
960 	if (!chip->port_dsp_bar)  in snd_lx6464es_create()
965 					KBUILD_MODNAME, chip);  in snd_lx6464es_create()
970 	chip->irq = pci->irq;  in snd_lx6464es_create()
971 	card->sync_irq = chip->irq;  in snd_lx6464es_create()
974 	err = lx_init_dsp(chip);  in snd_lx6464es_create()
980 	err = lx_pcm_create(chip);  in snd_lx6464es_create()
984 	err = lx_proc_create(card, chip);  in snd_lx6464es_create()
989 					     chip));  in snd_lx6464es_create()
1001 	struct lx6464es *chip;  in snd_lx6464es_probe()  local
1014 				sizeof(*chip), &card);  in snd_lx6464es_probe()
1017 	chip = card->private_data;  in snd_lx6464es_probe()
1027 		chip->mac_address[3], chip->mac_address[4], chip->mac_address[5]);  in snd_lx6464es_probe()
1030 		chip->mac_address[0], chip->mac_address[1], chip->mac_address[2],  in snd_lx6464es_probe()
1031 		chip->mac_address[3], chip->mac_address[4], chip->mac_address[5]);  in snd_lx6464es_probe()
1034 		card->shortname, chip->port_plx,  in snd_lx6464es_probe()
1035 		chip->port_dsp_bar, chip->irq);  in snd_lx6464es_probe()
1041 	dev_dbg(chip->card->dev, "initialization successful\n");  in snd_lx6464es_probe()