109 	struct mchp_pdmc *dd;  member
148 	struct mchp_pdmc *dd = snd_soc_component_get_drvdata(component);  in mchp_pdmc_sinc_order_get()  local
152 	item = snd_soc_enum_val_to_item(e, dd->sinc_order);  in mchp_pdmc_sinc_order_get()
162 	struct mchp_pdmc *dd = snd_soc_component_get_drvdata(component);  in mchp_pdmc_sinc_order_put()  local
172 	if (atomic_read(&dd->busy_stream))  in mchp_pdmc_sinc_order_put()
175 	if (val == dd->sinc_order)  in mchp_pdmc_sinc_order_put()
178 	dd->sinc_order = val;  in mchp_pdmc_sinc_order_put()
187 	struct mchp_pdmc *dd = snd_soc_component_get_drvdata(component);  in mchp_pdmc_af_get()  local
189 	uvalue->value.integer.value[0] = !!dd->audio_filter_en;  in mchp_pdmc_af_get()
198 	struct mchp_pdmc *dd = snd_soc_component_get_drvdata(component);  in mchp_pdmc_af_put()  local
201 	if (atomic_read(&dd->busy_stream))  in mchp_pdmc_af_put()
204 	if (dd->audio_filter_en == af)  in mchp_pdmc_af_put()
207 	dd->audio_filter_en = af;  in mchp_pdmc_af_put()
217 	uinfo->count = info->dd->mic_no;  in mchp_pdmc_chmap_ctl_info()
250 	struct mchp_pdmc *dd = info->dd;  in mchp_pdmc_chmap_ctl_get()  local
262 	memset(ucontrol->value.integer.value, 0, sizeof(long) * info->dd->mic_no);  in mchp_pdmc_chmap_ctl_get()
275 		if (dd->channel_mic_map[map_idx].ds_pos)  in mchp_pdmc_chmap_ctl_get()
277 		if (dd->channel_mic_map[map_idx].clk_edge)  in mchp_pdmc_chmap_ctl_get()
283 	regmap_write(dd->regmap, MCHP_PDMC_CFGR, cfgr_val);  in mchp_pdmc_chmap_ctl_get()
292 	struct mchp_pdmc *dd = info->dd;  in mchp_pdmc_chmap_ctl_put()  local
320 		if (dd->channel_mic_map[map_idx].ds_pos)  in mchp_pdmc_chmap_ctl_put()
322 		if (dd->channel_mic_map[map_idx].clk_edge)  in mchp_pdmc_chmap_ctl_put()
326 	regmap_write(dd->regmap, MCHP_PDMC_CFGR, cfgr_val);  in mchp_pdmc_chmap_ctl_put()
426 	struct mchp_pdmc *dd = snd_soc_dai_get_drvdata(dai);  in mchp_pdmc_startup()  local
428 	regmap_write(dd->regmap, MCHP_PDMC_CR, MCHP_PDMC_CR_SWRST);  in mchp_pdmc_startup()
431 				   &mchp_pdmc_chan_constr[dd->mic_no - 1]);  in mchp_pdmc_startup()
438 	struct mchp_pdmc *dd = snd_soc_dai_get_drvdata(dai);  in mchp_pdmc_dai_probe()  local
440 	snd_soc_dai_init_dma_data(dai, NULL, &dd->addr);  in mchp_pdmc_dai_probe()
524 	struct mchp_pdmc *dd = snd_soc_dai_get_drvdata(dai);  in mchp_pdmc_hw_params()  local
544 	if (channels > dd->mic_no) {  in mchp_pdmc_hw_params()
546 			channels, dd->mic_no);  in mchp_pdmc_hw_params()
550 	dd->pdmcen = 0;  in mchp_pdmc_hw_params()
552 		dd->pdmcen |= MCHP_PDMC_MR_PDMCEN(i);  in mchp_pdmc_hw_params()
553 		if (dd->channel_mic_map[i].ds_pos)  in mchp_pdmc_hw_params()
555 		if (dd->channel_mic_map[i].clk_edge)  in mchp_pdmc_hw_params()
563 	atomic_set(&dd->busy_stream, 1);  in mchp_pdmc_hw_params()
564 	for (osr_start = dd->audio_filter_en ? 64 : 8;  in mchp_pdmc_hw_params()
569 		round_rate = clk_round_rate(dd->gclk,  in mchp_pdmc_hw_params()
586 	clk_disable_unprepare(dd->gclk);  in mchp_pdmc_hw_params()
589 	ret = clk_set_rate(dd->gclk, gclk_rate);  in mchp_pdmc_hw_params()
590 	clk_prepare_enable(dd->gclk);  in mchp_pdmc_hw_params()
597 	mr_val |= mchp_pdmc_mr_set_osr(dd->audio_filter_en, osr);  in mchp_pdmc_hw_params()
599 	mr_val |= FIELD_PREP(MCHP_PDMC_MR_SINCORDER_MASK, dd->sinc_order);  in mchp_pdmc_hw_params()
602 	dd->addr.maxburst = maxburst;  in mchp_pdmc_hw_params()
603 	mr_val |= FIELD_PREP(MCHP_PDMC_MR_CHUNK_MASK, dd->addr.maxburst);  in mchp_pdmc_hw_params()
604 	dev_dbg(comp->dev, "maxburst set to %d\n", dd->addr.maxburst);  in mchp_pdmc_hw_params()
617 static void mchp_pdmc_noise_filter_workaround(struct mchp_pdmc *dd)  in mchp_pdmc_noise_filter_workaround()  argument
631 	usleep_range(dd->startup_delay_us, dd->startup_delay_us + 5);  in mchp_pdmc_noise_filter_workaround()
634 		regmap_read(dd->regmap, MCHP_PDMC_RHR, &tmp);  in mchp_pdmc_noise_filter_workaround()
637 	regmap_read(dd->regmap, MCHP_PDMC_ISR, &tmp);  in mchp_pdmc_noise_filter_workaround()
643 	struct mchp_pdmc *dd = snd_soc_dai_get_drvdata(dai);  in mchp_pdmc_trigger()  local
655 					      dd->pdmcen);  in mchp_pdmc_trigger()
657 		mchp_pdmc_noise_filter_workaround(dd);  in mchp_pdmc_trigger()
660 		regmap_write(dd->regmap, MCHP_PDMC_IER, dd->suspend_irq |  in mchp_pdmc_trigger()
662 		dd->suspend_irq = 0;  in mchp_pdmc_trigger()
665 		regmap_read(dd->regmap, MCHP_PDMC_IMR, &dd->suspend_irq);  in mchp_pdmc_trigger()
669 		regmap_write(dd->regmap, MCHP_PDMC_IDR, dd->suspend_irq |  in mchp_pdmc_trigger()
681 	regmap_read(dd->regmap, MCHP_PDMC_MR, &val);  in mchp_pdmc_trigger()
682 	dev_dbg(dd->dev, "MR (0x%02x): 0x%08x\n", MCHP_PDMC_MR, val);  in mchp_pdmc_trigger()
683 	regmap_read(dd->regmap, MCHP_PDMC_CFGR, &val);  in mchp_pdmc_trigger()
684 	dev_dbg(dd->dev, "CFGR (0x%02x): 0x%08x\n", MCHP_PDMC_CFGR, val);  in mchp_pdmc_trigger()
685 	regmap_read(dd->regmap, MCHP_PDMC_IMR, &val);  in mchp_pdmc_trigger()
686 	dev_dbg(dd->dev, "IMR (0x%02x): 0x%08x\n", MCHP_PDMC_IMR, val);  in mchp_pdmc_trigger()
692 static int mchp_pdmc_add_chmap_ctls(struct snd_pcm *pcm, struct mchp_pdmc *dd)  in mchp_pdmc_add_chmap_ctls()  argument
713 	info->dd = dd;  in mchp_pdmc_add_chmap_ctls()
734 	struct mchp_pdmc *dd = snd_soc_dai_get_drvdata(dai);  in mchp_pdmc_pcm_new()  local
737 	ret = mchp_pdmc_add_chmap_ctls(rtd->pcm, dd);  in mchp_pdmc_pcm_new()
739 		dev_err(dd->dev, "failed to add channel map controls: %d\n", ret);  in mchp_pdmc_pcm_new()
770 	struct mchp_pdmc *dd = dev_id;  in mchp_pdmc_interrupt()  local
774 	regmap_read(dd->regmap, MCHP_PDMC_ISR, &isr);  in mchp_pdmc_interrupt()
775 	regmap_read(dd->regmap, MCHP_PDMC_IMR, &msr);  in mchp_pdmc_interrupt()
778 	dev_dbg(dd->dev, "ISR (0x%02x): 0x%08x, IMR (0x%02x): 0x%08x, pending: 0x%08x\n",  in mchp_pdmc_interrupt()
784 		dev_warn(dd->dev, "underrun detected\n");  in mchp_pdmc_interrupt()
785 		regmap_write(dd->regmap, MCHP_PDMC_IDR, MCHP_PDMC_IR_RXUDR);  in mchp_pdmc_interrupt()
789 		dev_warn(dd->dev, "overrun detected\n");  in mchp_pdmc_interrupt()
790 		regmap_write(dd->regmap, MCHP_PDMC_IDR, MCHP_PDMC_IR_RXOVR);  in mchp_pdmc_interrupt()
861 static int mchp_pdmc_dt_init(struct mchp_pdmc *dd)  in mchp_pdmc_dt_init()  argument
863 	struct device_node *np = dd->dev->of_node;  in mchp_pdmc_dt_init()
869 		dev_err(dd->dev, "device node not found\n");  in mchp_pdmc_dt_init()
873 	dd->mic_no = of_property_count_u32_elems(np, "microchip,mic-pos");  in mchp_pdmc_dt_init()
874 	if (dd->mic_no < 0) {  in mchp_pdmc_dt_init()
875 		dev_err(dd->dev, "failed to get microchip,mic-pos: %d",  in mchp_pdmc_dt_init()
876 			dd->mic_no);  in mchp_pdmc_dt_init()
877 		return dd->mic_no;  in mchp_pdmc_dt_init()
879 	if (!dd->mic_no || dd->mic_no % 2 ||  in mchp_pdmc_dt_init()
880 	    dd->mic_no / 2 > MCHP_PDMC_MAX_CHANNELS) {  in mchp_pdmc_dt_init()
881 		dev_err(dd->dev, "invalid array length for microchip,mic-pos: %d",  in mchp_pdmc_dt_init()
882 			dd->mic_no);  in mchp_pdmc_dt_init()
886 	dd->mic_no /= 2;  in mchp_pdmc_dt_init()
888 	dev_info(dd->dev, "%d PDM microphones declared\n", dd->mic_no);  in mchp_pdmc_dt_init()
895 	for (i = 0; i < dd->mic_no; i++) {  in mchp_pdmc_dt_init()
902 			dev_err(dd->dev,  in mchp_pdmc_dt_init()
908 			dev_err(dd->dev,  in mchp_pdmc_dt_init()
917 			dev_err(dd->dev,  in mchp_pdmc_dt_init()
925 			dev_err(dd->dev,  in mchp_pdmc_dt_init()
930 			dev_err(dd->dev,  in mchp_pdmc_dt_init()
936 		dd->channel_mic_map[i].ds_pos = ds;  in mchp_pdmc_dt_init()
937 		dd->channel_mic_map[i].clk_edge = edge;  in mchp_pdmc_dt_init()
940 	dd->startup_delay_us = 150000;  in mchp_pdmc_dt_init()
941 	of_property_read_u32(np, "microchip,startup-delay-us", &dd->startup_delay_us);  in mchp_pdmc_dt_init()
970 	struct mchp_pdmc *dd = dev_get_drvdata(dev);  in mchp_pdmc_runtime_suspend()  local
972 	regcache_cache_only(dd->regmap, true);  in mchp_pdmc_runtime_suspend()
974 	clk_disable_unprepare(dd->gclk);  in mchp_pdmc_runtime_suspend()
975 	clk_disable_unprepare(dd->pclk);  in mchp_pdmc_runtime_suspend()
982 	struct mchp_pdmc *dd = dev_get_drvdata(dev);  in mchp_pdmc_runtime_resume()  local
985 	ret = clk_prepare_enable(dd->pclk);  in mchp_pdmc_runtime_resume()
987 		dev_err(dd->dev,  in mchp_pdmc_runtime_resume()
991 	ret = clk_prepare_enable(dd->gclk);  in mchp_pdmc_runtime_resume()
993 		dev_err(dd->dev,  in mchp_pdmc_runtime_resume()
998 	regcache_cache_only(dd->regmap, false);  in mchp_pdmc_runtime_resume()
999 	regcache_mark_dirty(dd->regmap);  in mchp_pdmc_runtime_resume()
1000 	ret = regcache_sync(dd->regmap);  in mchp_pdmc_runtime_resume()
1002 		regcache_cache_only(dd->regmap, true);  in mchp_pdmc_runtime_resume()
1003 		clk_disable_unprepare(dd->gclk);  in mchp_pdmc_runtime_resume()
1005 		clk_disable_unprepare(dd->pclk);  in mchp_pdmc_runtime_resume()
1014 	struct mchp_pdmc *dd;  in mchp_pdmc_probe()  local
1021 	dd = devm_kzalloc(dev, sizeof(*dd), GFP_KERNEL);  in mchp_pdmc_probe()
1022 	if (!dd)  in mchp_pdmc_probe()
1025 	dd->dev = &pdev->dev;  in mchp_pdmc_probe()
1026 	ret = mchp_pdmc_dt_init(dd);  in mchp_pdmc_probe()
1034 	dd->pclk = devm_clk_get(dev, "pclk");  in mchp_pdmc_probe()
1035 	if (IS_ERR(dd->pclk)) {  in mchp_pdmc_probe()
1036 		ret = PTR_ERR(dd->pclk);  in mchp_pdmc_probe()
1041 	dd->gclk = devm_clk_get(dev, "gclk");  in mchp_pdmc_probe()
1042 	if (IS_ERR(dd->gclk)) {  in mchp_pdmc_probe()
1043 		ret = PTR_ERR(dd->gclk);  in mchp_pdmc_probe()
1055 	dd->regmap = devm_regmap_init_mmio(dev, io_base,  in mchp_pdmc_probe()
1057 	if (IS_ERR(dd->regmap)) {  in mchp_pdmc_probe()
1058 		ret = PTR_ERR(dd->regmap);  in mchp_pdmc_probe()
1064 			       dev_name(&pdev->dev), dd);  in mchp_pdmc_probe()
1074 	dd->audio_filter_en = true;  in mchp_pdmc_probe()
1075 	dd->sinc_order = 3;  in mchp_pdmc_probe()
1077 	dd->addr.addr = (dma_addr_t)res->start + MCHP_PDMC_RHR;  in mchp_pdmc_probe()
1078 	platform_set_drvdata(pdev, dd);  in mchp_pdmc_probe()
1080 	pm_runtime_enable(dd->dev);  in mchp_pdmc_probe()
1081 	if (!pm_runtime_enabled(dd->dev)) {  in mchp_pdmc_probe()
1082 		ret = mchp_pdmc_runtime_resume(dd->dev);  in mchp_pdmc_probe()
1102 	regmap_read(dd->regmap, MCHP_PDMC_VER, &version);  in mchp_pdmc_probe()
1103 	dev_info(dd->dev, "hw version: %#lx\n",  in mchp_pdmc_probe()
1109 	if (!pm_runtime_status_suspended(dd->dev))  in mchp_pdmc_probe()
1110 		mchp_pdmc_runtime_suspend(dd->dev);  in mchp_pdmc_probe()
1111 	pm_runtime_disable(dd->dev);  in mchp_pdmc_probe()
1118 	struct mchp_pdmc *dd = platform_get_drvdata(pdev);  in mchp_pdmc_remove()  local
1120 	atomic_set(&dd->busy_stream, 0);  in mchp_pdmc_remove()
1122 	if (!pm_runtime_status_suspended(dd->dev))  in mchp_pdmc_remove()
1123 		mchp_pdmc_runtime_suspend(dd->dev);  in mchp_pdmc_remove()
1125 	pm_runtime_disable(dd->dev);  in mchp_pdmc_remove()