197 	struct tlv320dac33_priv *dac33 = snd_soc_codec_get_drvdata(codec);  in dac33_read()  local
203 	if (dac33->chip_power) {  in dac33_read()
223 	struct tlv320dac33_priv *dac33 = snd_soc_codec_get_drvdata(codec);  in dac33_write()  local
236 	if (dac33->chip_power) {  in dac33_write()
250 	struct tlv320dac33_priv *dac33 = snd_soc_codec_get_drvdata(codec);  in dac33_write_locked()  local
253 	mutex_lock(&dac33->mutex);  in dac33_write_locked()
255 	mutex_unlock(&dac33->mutex);  in dac33_write_locked()
264 	struct tlv320dac33_priv *dac33 = snd_soc_codec_get_drvdata(codec);  in dac33_write16()  local
281 	if (dac33->chip_power) {  in dac33_write16()
296 	struct tlv320dac33_priv *dac33 = snd_soc_codec_get_drvdata(codec);  in dac33_init_chip()  local
298 	if (unlikely(!dac33->chip_power))  in dac33_init_chip()
377 	struct tlv320dac33_priv *dac33 = snd_soc_codec_get_drvdata(codec);  in dac33_hard_power()  local
380 	mutex_lock(&dac33->mutex);  in dac33_hard_power()
383 	if (unlikely(power == dac33->chip_power)) {  in dac33_hard_power()
390 		ret = regulator_bulk_enable(ARRAY_SIZE(dac33->supplies),  in dac33_hard_power()
391 					  dac33->supplies);  in dac33_hard_power()
398 		if (dac33->power_gpio >= 0)  in dac33_hard_power()
399 			gpio_set_value(dac33->power_gpio, 1);  in dac33_hard_power()
401 		dac33->chip_power = 1;  in dac33_hard_power()
404 		if (dac33->power_gpio >= 0)  in dac33_hard_power()
405 			gpio_set_value(dac33->power_gpio, 0);  in dac33_hard_power()
407 		ret = regulator_bulk_disable(ARRAY_SIZE(dac33->supplies),  in dac33_hard_power()
408 					     dac33->supplies);  in dac33_hard_power()
415 		dac33->chip_power = 0;  in dac33_hard_power()
419 	mutex_unlock(&dac33->mutex);  in dac33_hard_power()
427 	struct tlv320dac33_priv *dac33 = snd_soc_codec_get_drvdata(codec);  in dac33_playback_event()  local
431 		if (likely(dac33->substream)) {  in dac33_playback_event()
432 			dac33_calculate_times(dac33->substream, codec);  in dac33_playback_event()
433 			dac33_prepare_chip(dac33->substream, codec);  in dac33_playback_event()
447 	struct tlv320dac33_priv *dac33 = snd_soc_codec_get_drvdata(codec);  in dac33_get_fifo_mode()  local
449 	ucontrol->value.integer.value[0] = dac33->fifo_mode;  in dac33_get_fifo_mode()
458 	struct tlv320dac33_priv *dac33 = snd_soc_codec_get_drvdata(codec);  in dac33_set_fifo_mode()  local
461 	if (dac33->fifo_mode == ucontrol->value.integer.value[0])  in dac33_set_fifo_mode()
471 		dac33->fifo_mode = ucontrol->value.integer.value[0];  in dac33_set_fifo_mode()
659 static inline void dac33_prefill_handler(struct tlv320dac33_priv *dac33)  in dac33_prefill_handler()  argument
661 	struct snd_soc_codec *codec = dac33->codec;  in dac33_prefill_handler()
665 	switch (dac33->fifo_mode) {  in dac33_prefill_handler()
668 			DAC33_THRREG(dac33->nsample));  in dac33_prefill_handler()
671 		spin_lock_irqsave(&dac33->lock, flags);  in dac33_prefill_handler()
672 		dac33->t_stamp2 = ktime_to_us(ktime_get());  in dac33_prefill_handler()
673 		dac33->t_stamp1 = dac33->t_stamp2;  in dac33_prefill_handler()
674 		spin_unlock_irqrestore(&dac33->lock, flags);  in dac33_prefill_handler()
677 				DAC33_THRREG(dac33->alarm_threshold));  in dac33_prefill_handler()
679 		delay = SAMPLES_TO_US(dac33->burst_rate,  in dac33_prefill_handler()
680 				     dac33->alarm_threshold) + 1000;  in dac33_prefill_handler()
686 		spin_lock_irqsave(&dac33->lock, flags);  in dac33_prefill_handler()
687 		dac33->t_stamp1 = ktime_to_us(ktime_get());  in dac33_prefill_handler()
689 		dac33->t_stamp1 -= dac33->mode7_us_to_lthr;  in dac33_prefill_handler()
690 		spin_unlock_irqrestore(&dac33->lock, flags);  in dac33_prefill_handler()
700 							dac33->fifo_mode);  in dac33_prefill_handler()
705 static inline void dac33_playback_handler(struct tlv320dac33_priv *dac33)  in dac33_playback_handler()  argument
707 	struct snd_soc_codec *codec = dac33->codec;  in dac33_playback_handler()
710 	switch (dac33->fifo_mode) {  in dac33_playback_handler()
713 		spin_lock_irqsave(&dac33->lock, flags);  in dac33_playback_handler()
714 		dac33->t_stamp2 = ktime_to_us(ktime_get());  in dac33_playback_handler()
715 		spin_unlock_irqrestore(&dac33->lock, flags);  in dac33_playback_handler()
718 				DAC33_THRREG(dac33->nsample));  in dac33_playback_handler()
725 							dac33->fifo_mode);  in dac33_playback_handler()
733 	struct tlv320dac33_priv *dac33;  in dac33_work()  local
736 	dac33 = container_of(work, struct tlv320dac33_priv, work);  in dac33_work()
737 	codec = dac33->codec;  in dac33_work()
739 	mutex_lock(&dac33->mutex);  in dac33_work()
740 	switch (dac33->state) {  in dac33_work()
742 		dac33->state = DAC33_PLAYBACK;  in dac33_work()
743 		dac33_prefill_handler(dac33);  in dac33_work()
746 		dac33_playback_handler(dac33);  in dac33_work()
751 		dac33->state = DAC33_IDLE;  in dac33_work()
761 	mutex_unlock(&dac33->mutex);  in dac33_work()
767 	struct tlv320dac33_priv *dac33 = snd_soc_codec_get_drvdata(codec);  in dac33_interrupt_handler()  local
770 	spin_lock_irqsave(&dac33->lock, flags);  in dac33_interrupt_handler()
771 	dac33->t_stamp1 = ktime_to_us(ktime_get());  in dac33_interrupt_handler()
772 	spin_unlock_irqrestore(&dac33->lock, flags);  in dac33_interrupt_handler()
775 	if (dac33->fifo_mode != DAC33_FIFO_MODE7)  in dac33_interrupt_handler()
776 		queue_work(dac33->dac33_wq, &dac33->work);  in dac33_interrupt_handler()
799 	struct tlv320dac33_priv *dac33 = snd_soc_codec_get_drvdata(codec);  in dac33_startup()  local
802 	dac33->substream = substream;  in dac33_startup()
811 	struct tlv320dac33_priv *dac33 = snd_soc_codec_get_drvdata(codec);  in dac33_shutdown()  local
813 	dac33->substream = NULL;  in dac33_shutdown()
823 	struct tlv320dac33_priv *dac33 = snd_soc_codec_get_drvdata(codec);  in dac33_hw_params()  local
838 		dac33->fifo_size = DAC33_FIFO_SIZE_16BIT;  in dac33_hw_params()
839 		dac33->burst_rate = CALC_BURST_RATE(dac33->burst_bclkdiv, 32);  in dac33_hw_params()
842 		dac33->fifo_size = DAC33_FIFO_SIZE_24BIT;  in dac33_hw_params()
843 		dac33->burst_rate = CALC_BURST_RATE(dac33->burst_bclkdiv, 64);  in dac33_hw_params()
867 	struct tlv320dac33_priv *dac33 = snd_soc_codec_get_drvdata(codec);  in dac33_prepare_chip()  local
874 		oscset = CALC_OSCSET(substream->runtime->rate, dac33->refclk);  in dac33_prepare_chip()
876 					 dac33->refclk);  in dac33_prepare_chip()
906 	mutex_lock(&dac33->mutex);  in dac33_prepare_chip()
908 	if (!dac33->chip_power) {  in dac33_prepare_chip()
913 		mutex_unlock(&dac33->mutex);  in dac33_prepare_chip()
942 	if (dac33->fifo_mode) {  in dac33_prepare_chip()
961 	switch (dac33->fifo_mode) {  in dac33_prepare_chip()
977 	switch (dac33->fifo_mode) {  in dac33_prepare_chip()
987 		if (dac33->keep_bclk)  in dac33_prepare_chip()
1001 		if (dac33->keep_bclk)  in dac33_prepare_chip()
1030 	if (dac33->fifo_mode)  in dac33_prepare_chip()
1032 							dac33->burst_bclkdiv);  in dac33_prepare_chip()
1039 	switch (dac33->fifo_mode) {  in dac33_prepare_chip()
1042 			      DAC33_THRREG(dac33->alarm_threshold));  in dac33_prepare_chip()
1049 		dac33_write16(codec, DAC33_UTHR_MSB, DAC33_THRREG(dac33->uthr));  in dac33_prepare_chip()
1057 	mutex_unlock(&dac33->mutex);  in dac33_prepare_chip()
1065 	struct tlv320dac33_priv *dac33 = snd_soc_codec_get_drvdata(codec);  in dac33_calculate_times()  local
1071 	if (!dac33->fifo_mode)  in dac33_calculate_times()
1074 	switch (dac33->fifo_mode) {  in dac33_calculate_times()
1077 		dac33->alarm_threshold = US_TO_SAMPLES(rate,  in dac33_calculate_times()
1078 						dac33->mode1_latency);  in dac33_calculate_times()
1079 		nsample_limit = dac33->fifo_size - dac33->alarm_threshold;  in dac33_calculate_times()
1081 		if (period_size <= dac33->alarm_threshold)  in dac33_calculate_times()
1086 			dac33->nsample = period_size *  in dac33_calculate_times()
1087 				((dac33->alarm_threshold / period_size) +  in dac33_calculate_times()
1088 				(dac33->alarm_threshold % period_size ?  in dac33_calculate_times()
1091 			dac33->nsample = nsample_limit;  in dac33_calculate_times()
1093 			dac33->nsample = period_size;  in dac33_calculate_times()
1095 		dac33->mode1_us_burst = SAMPLES_TO_US(dac33->burst_rate,  in dac33_calculate_times()
1096 						      dac33->nsample);  in dac33_calculate_times()
1097 		dac33->t_stamp1 = 0;  in dac33_calculate_times()
1098 		dac33->t_stamp2 = 0;  in dac33_calculate_times()
1101 		dac33->uthr = UTHR_FROM_PERIOD_SIZE(period_size, rate,  in dac33_calculate_times()
1102 						    dac33->burst_rate) + 9;  in dac33_calculate_times()
1103 		if (dac33->uthr > (dac33->fifo_size - DAC33_MODE7_MARGIN))  in dac33_calculate_times()
1104 			dac33->uthr = dac33->fifo_size - DAC33_MODE7_MARGIN;  in dac33_calculate_times()
1105 		if (dac33->uthr < (DAC33_MODE7_MARGIN + 10))  in dac33_calculate_times()
1106 			dac33->uthr = (DAC33_MODE7_MARGIN + 10);  in dac33_calculate_times()
1108 		dac33->mode7_us_to_lthr =  in dac33_calculate_times()
1110 					dac33->uthr - DAC33_MODE7_MARGIN + 1);  in dac33_calculate_times()
1111 		dac33->t_stamp1 = 0;  in dac33_calculate_times()
1123 	struct tlv320dac33_priv *dac33 = snd_soc_codec_get_drvdata(codec);  in dac33_pcm_trigger()  local
1130 		if (dac33->fifo_mode) {  in dac33_pcm_trigger()
1131 			dac33->state = DAC33_PREFILL;  in dac33_pcm_trigger()
1132 			queue_work(dac33->dac33_wq, &dac33->work);  in dac33_pcm_trigger()
1138 		if (dac33->fifo_mode) {  in dac33_pcm_trigger()
1139 			dac33->state = DAC33_FLUSH;  in dac33_pcm_trigger()
1140 			queue_work(dac33->dac33_wq, &dac33->work);  in dac33_pcm_trigger()
1155 	struct tlv320dac33_priv *dac33 = snd_soc_codec_get_drvdata(codec);  in dac33_dai_delay()  local
1162 	switch (dac33->fifo_mode) {  in dac33_dai_delay()
1166 		spin_lock_irqsave(&dac33->lock, flags);  in dac33_dai_delay()
1167 		t0 = dac33->t_stamp1;  in dac33_dai_delay()
1168 		t1 = dac33->t_stamp2;  in dac33_dai_delay()
1169 		spin_unlock_irqrestore(&dac33->lock, flags);  in dac33_dai_delay()
1186 			if (likely(dac33->alarm_threshold > samples_out))  in dac33_dai_delay()
1187 				delay = dac33->alarm_threshold - samples_out;  in dac33_dai_delay()
1190 		} else if ((t_now - t1) <= dac33->mode1_us_burst) {  in dac33_dai_delay()
1202 						dac33->burst_rate,  in dac33_dai_delay()
1205 			samples = dac33->alarm_threshold;  in dac33_dai_delay()
1222 			samples_in = dac33->nsample;  in dac33_dai_delay()
1223 			samples = dac33->alarm_threshold;  in dac33_dai_delay()
1227 				delay = samples > dac33->fifo_size ?  in dac33_dai_delay()
1228 					dac33->fifo_size : samples;  in dac33_dai_delay()
1234 		spin_lock_irqsave(&dac33->lock, flags);  in dac33_dai_delay()
1235 		t0 = dac33->t_stamp1;  in dac33_dai_delay()
1236 		uthr = dac33->uthr;  in dac33_dai_delay()
1237 		spin_unlock_irqrestore(&dac33->lock, flags);  in dac33_dai_delay()
1254 		if (time_delta <= dac33->mode7_us_to_lthr) {  in dac33_dai_delay()
1272 			time_delta = time_delta - dac33->mode7_us_to_lthr;  in dac33_dai_delay()
1278 					dac33->burst_rate,  in dac33_dai_delay()
1288 							dac33->fifo_mode);  in dac33_dai_delay()
1299 	struct tlv320dac33_priv *dac33 = snd_soc_codec_get_drvdata(codec);  in dac33_set_dai_sysclk()  local
1317 	dac33->refclk = freq;  in dac33_set_dai_sysclk()
1329 	struct tlv320dac33_priv *dac33 = snd_soc_codec_get_drvdata(codec);  in dac33_set_dai_fmt()  local
1342 		if (dac33->fifo_mode) {  in dac33_set_dai_fmt()
1382 	struct tlv320dac33_priv *dac33 = snd_soc_codec_get_drvdata(codec);  in dac33_soc_probe()  local
1385 	codec->control_data = dac33->control_data;  in dac33_soc_probe()
1387 	dac33->codec = codec;  in dac33_soc_probe()
1405 	if (dac33->irq >= 0) {  in dac33_soc_probe()
1406 		ret = request_irq(dac33->irq, dac33_interrupt_handler,  in dac33_soc_probe()
1411 						dac33->irq, ret);  in dac33_soc_probe()
1412 			dac33->irq = -1;  in dac33_soc_probe()
1414 		if (dac33->irq != -1) {  in dac33_soc_probe()
1416 			dac33->dac33_wq =  in dac33_soc_probe()
1418 			if (dac33->dac33_wq == NULL) {  in dac33_soc_probe()
1419 				free_irq(dac33->irq, codec);  in dac33_soc_probe()
1423 			INIT_WORK(&dac33->work, dac33_work);  in dac33_soc_probe()
1428 	if (dac33->irq >= 0)  in dac33_soc_probe()
1438 	struct tlv320dac33_priv *dac33 = snd_soc_codec_get_drvdata(codec);  in dac33_soc_remove()  local
1440 	if (dac33->irq >= 0) {  in dac33_soc_remove()
1441 		free_irq(dac33->irq, dac33->codec);  in dac33_soc_remove()
1442 		destroy_workqueue(dac33->dac33_wq);  in dac33_soc_remove()
1497 	struct tlv320dac33_priv *dac33;  in dac33_i2c_probe()  local
1506 	dac33 = devm_kzalloc(&client->dev, sizeof(struct tlv320dac33_priv),  in dac33_i2c_probe()
1508 	if (dac33 == NULL)  in dac33_i2c_probe()
1511 	dac33->control_data = client;  in dac33_i2c_probe()
1512 	mutex_init(&dac33->mutex);  in dac33_i2c_probe()
1513 	spin_lock_init(&dac33->lock);  in dac33_i2c_probe()
1515 	i2c_set_clientdata(client, dac33);  in dac33_i2c_probe()
1517 	dac33->power_gpio = pdata->power_gpio;  in dac33_i2c_probe()
1518 	dac33->burst_bclkdiv = pdata->burst_bclkdiv;  in dac33_i2c_probe()
1519 	dac33->keep_bclk = pdata->keep_bclk;  in dac33_i2c_probe()
1520 	dac33->mode1_latency = pdata->mode1_latency;  in dac33_i2c_probe()
1521 	if (!dac33->mode1_latency)  in dac33_i2c_probe()
1522 		dac33->mode1_latency = 10000; /* 10ms */  in dac33_i2c_probe()
1523 	dac33->irq = client->irq;  in dac33_i2c_probe()
1525 	dac33->fifo_mode = DAC33_FIFO_BYPASS;  in dac33_i2c_probe()
1528 	if (dac33->power_gpio >= 0) {  in dac33_i2c_probe()
1529 		ret = gpio_request(dac33->power_gpio, "tlv320dac33 reset");  in dac33_i2c_probe()
1533 				dac33->power_gpio);  in dac33_i2c_probe()
1536 		gpio_direction_output(dac33->power_gpio, 0);  in dac33_i2c_probe()
1539 	for (i = 0; i < ARRAY_SIZE(dac33->supplies); i++)  in dac33_i2c_probe()
1540 		dac33->supplies[i].supply = dac33_supply_names[i];  in dac33_i2c_probe()
1542 	ret = devm_regulator_bulk_get(&client->dev, ARRAY_SIZE(dac33->supplies),  in dac33_i2c_probe()
1543 				 dac33->supplies);  in dac33_i2c_probe()
1557 	if (dac33->power_gpio >= 0)  in dac33_i2c_probe()
1558 		gpio_free(dac33->power_gpio);  in dac33_i2c_probe()
1565 	struct tlv320dac33_priv *dac33 = i2c_get_clientdata(client);  in dac33_i2c_remove()  local
1567 	if (unlikely(dac33->chip_power))  in dac33_i2c_remove()
1568 		dac33_hard_power(dac33->codec, 0);  in dac33_i2c_remove()
1570 	if (dac33->power_gpio >= 0)  in dac33_i2c_remove()
1571 		gpio_free(dac33->power_gpio);  in dac33_i2c_remove()