110 static inline int get_pdm_clk(struct fsl_micfil *micfil,  in get_pdm_clk()  argument
117 	regmap_read(micfil->regmap, REG_MICFIL_CTRL2, &ctrl2_reg);  in get_pdm_clk()
121 	regmap_read(micfil->regmap, REG_MICFIL_CTRL2, &ctrl2_reg);  in get_pdm_clk()
140 		dev_err(&micfil->pdev->dev,  in get_pdm_clk()
149 static inline int get_clk_div(struct fsl_micfil *micfil,  in get_clk_div()  argument
156 	regmap_read(micfil->regmap, REG_MICFIL_CTRL2, &ctrl2_reg);  in get_clk_div()
158 	mclk_rate = clk_get_rate(micfil->mclk);  in get_clk_div()
160 	clk_div = mclk_rate / (get_pdm_clk(micfil, rate) * 2);  in get_clk_div()
172 	struct fsl_micfil *micfil = dev_get_drvdata(dev);  in fsl_micfil_reset()  local
175 	ret = regmap_update_bits(micfil->regmap,  in fsl_micfil_reset()
184 	ret = regmap_update_bits(micfil->regmap,  in fsl_micfil_reset()
199 	ret = regmap_clear_bits(micfil->regmap, REG_MICFIL_CTRL1,  in fsl_micfil_reset()
208 	ret = regmap_write_bits(micfil->regmap, REG_MICFIL_STAT, 0xFF, 0xFF);  in fsl_micfil_reset()
215 static int fsl_micfil_set_mclk_rate(struct fsl_micfil *micfil,  in fsl_micfil_set_mclk_rate()  argument
218 	struct device *dev = &micfil->pdev->dev;  in fsl_micfil_set_mclk_rate()
221 	clk_disable_unprepare(micfil->mclk);  in fsl_micfil_set_mclk_rate()
223 	ret = clk_set_rate(micfil->mclk, freq * 1024);  in fsl_micfil_set_mclk_rate()
228 	clk_prepare_enable(micfil->mclk);  in fsl_micfil_set_mclk_rate()
236 	struct fsl_micfil *micfil = snd_soc_dai_get_drvdata(dai);  in fsl_micfil_startup()  local
238 	if (!micfil) {  in fsl_micfil_startup()
249 	struct fsl_micfil *micfil = snd_soc_dai_get_drvdata(dai);  in fsl_micfil_trigger()  local
250 	struct device *dev = &micfil->pdev->dev;  in fsl_micfil_trigger()
269 		ret = regmap_update_bits(micfil->regmap, REG_MICFIL_CTRL1,  in fsl_micfil_trigger()
278 		ret = regmap_update_bits(micfil->regmap, REG_MICFIL_CTRL1,  in fsl_micfil_trigger()
291 		ret = regmap_update_bits(micfil->regmap, REG_MICFIL_CTRL1,  in fsl_micfil_trigger()
299 		ret = regmap_update_bits(micfil->regmap, REG_MICFIL_CTRL1,  in fsl_micfil_trigger()
315 	struct fsl_micfil *micfil = dev_get_drvdata(dev);  in fsl_set_clock_params()  local
319 	ret = fsl_micfil_set_mclk_rate(micfil, rate);  in fsl_set_clock_params()
322 			clk_get_rate(micfil->mclk), rate);  in fsl_set_clock_params()
325 	ret |= regmap_update_bits(micfil->regmap, REG_MICFIL_CTRL2,  in fsl_set_clock_params()
333 	clk_div = get_clk_div(micfil, rate);  in fsl_set_clock_params()
337 	ret |= regmap_update_bits(micfil->regmap, REG_MICFIL_CTRL2,  in fsl_set_clock_params()
350 	struct fsl_micfil *micfil = snd_soc_dai_get_drvdata(dai);  in fsl_micfil_hw_params()  local
353 	struct device *dev = &micfil->pdev->dev;  in fsl_micfil_hw_params()
357 	ret = regmap_update_bits(micfil->regmap, REG_MICFIL_CTRL1,  in fsl_micfil_hw_params()
365 	ret = regmap_update_bits(micfil->regmap, REG_MICFIL_CTRL1,  in fsl_micfil_hw_params()
379 	micfil->dma_params_rx.maxburst = channels * MICFIL_DMA_MAXBURST_RX;  in fsl_micfil_hw_params()
387 	struct fsl_micfil *micfil = snd_soc_dai_get_drvdata(dai);  in fsl_micfil_set_dai_sysclk()  local
388 	struct device *dev = &micfil->pdev->dev;  in fsl_micfil_set_dai_sysclk()
395 	ret = fsl_micfil_set_mclk_rate(micfil, freq);  in fsl_micfil_set_dai_sysclk()
398 			clk_get_rate(micfil->mclk), freq);  in fsl_micfil_set_dai_sysclk()
412 	struct fsl_micfil *micfil = dev_get_drvdata(cpu_dai->dev);  in fsl_micfil_dai_probe()  local
419 	ret = regmap_update_bits(micfil->regmap, REG_MICFIL_CTRL2,  in fsl_micfil_dai_probe()
428 	regmap_write(micfil->regmap, REG_MICFIL_OUT_CTRL, 0x77777777);  in fsl_micfil_dai_probe()
430 		micfil->channel_gain[i] = 0xF;  in fsl_micfil_dai_probe()
433 				  &micfil->dma_params_rx);  in fsl_micfil_dai_probe()
436 	val = MICFIL_FIFO_CTRL_FIFOWMK(micfil->soc->fifo_depth) - 1;  in fsl_micfil_dai_probe()
437 	ret = regmap_update_bits(micfil->regmap, REG_MICFIL_FIFO_CTRL,  in fsl_micfil_dai_probe()
445 	snd_soc_dai_set_drvdata(cpu_dai, micfil);  in fsl_micfil_dai_probe()
589 	struct fsl_micfil *micfil = (struct fsl_micfil *)devid;  in micfil_isr()  local
590 	struct platform_device *pdev = micfil->pdev;  in micfil_isr()
597 	regmap_read(micfil->regmap, REG_MICFIL_STAT, &stat_reg);  in micfil_isr()
598 	regmap_read(micfil->regmap, REG_MICFIL_CTRL1, &ctrl1_reg);  in micfil_isr()
599 	regmap_read(micfil->regmap, REG_MICFIL_FIFO_STAT, &fifo_stat_reg);  in micfil_isr()
612 			regmap_write_bits(micfil->regmap,  in micfil_isr()
635 	struct fsl_micfil *micfil = (struct fsl_micfil *)devid;  in micfil_err_isr()  local
636 	struct platform_device *pdev = micfil->pdev;  in micfil_err_isr()
639 	regmap_read(micfil->regmap, REG_MICFIL_STAT, &stat_reg);  in micfil_err_isr()
649 		regmap_write_bits(micfil->regmap, REG_MICFIL_STAT,  in micfil_err_isr()
660 	struct fsl_micfil *micfil;  in fsl_micfil_probe()  local
666 	micfil = devm_kzalloc(&pdev->dev, sizeof(*micfil), GFP_KERNEL);  in fsl_micfil_probe()
667 	if (!micfil)  in fsl_micfil_probe()
670 	micfil->pdev = pdev;  in fsl_micfil_probe()
671 	strncpy(micfil->name, np->name, sizeof(micfil->name) - 1);  in fsl_micfil_probe()
677 	micfil->soc = of_id->data;  in fsl_micfil_probe()
682 	micfil->mclk = devm_clk_get(&pdev->dev, "ipg_clk_app");  in fsl_micfil_probe()
683 	if (IS_ERR(micfil->mclk)) {  in fsl_micfil_probe()
685 			PTR_ERR(micfil->mclk));  in fsl_micfil_probe()
686 		return PTR_ERR(micfil->mclk);  in fsl_micfil_probe()
695 	micfil->regmap = devm_regmap_init_mmio_clk(&pdev->dev,  in fsl_micfil_probe()
699 	if (IS_ERR(micfil->regmap)) {  in fsl_micfil_probe()
701 			PTR_ERR(micfil->regmap));  in fsl_micfil_probe()
702 		return PTR_ERR(micfil->regmap);  in fsl_micfil_probe()
709 					 &micfil->dataline);  in fsl_micfil_probe()
711 		micfil->dataline = 1;  in fsl_micfil_probe()
713 	if (micfil->dataline & ~micfil->soc->dataline) {  in fsl_micfil_probe()
715 			micfil->soc->dataline);  in fsl_micfil_probe()
721 		micfil->irq[i] = platform_get_irq(pdev, i);  in fsl_micfil_probe()
722 		dev_err(&pdev->dev, "GET IRQ: %d\n", micfil->irq[i]);  in fsl_micfil_probe()
723 		if (micfil->irq[i] < 0)  in fsl_micfil_probe()
724 			return micfil->irq[i];  in fsl_micfil_probe()
731 	ret = devm_request_irq(&pdev->dev, micfil->irq[0],  in fsl_micfil_probe()
733 			       micfil->name, micfil);  in fsl_micfil_probe()
736 			micfil->irq[0]);  in fsl_micfil_probe()
741 	ret = devm_request_irq(&pdev->dev, micfil->irq[1],  in fsl_micfil_probe()
743 			       micfil->name, micfil);  in fsl_micfil_probe()
746 			micfil->irq[1]);  in fsl_micfil_probe()
750 	micfil->dma_params_rx.chan_name = "rx";  in fsl_micfil_probe()
751 	micfil->dma_params_rx.addr = res->start + REG_MICFIL_DATACH0;  in fsl_micfil_probe()
752 	micfil->dma_params_rx.maxburst = MICFIL_DMA_MAXBURST_RX;  in fsl_micfil_probe()
755 	platform_set_drvdata(pdev, micfil);  in fsl_micfil_probe()
776 	struct fsl_micfil *micfil = dev_get_drvdata(dev);  in fsl_micfil_runtime_suspend()  local
778 	regcache_cache_only(micfil->regmap, true);  in fsl_micfil_runtime_suspend()
780 	clk_disable_unprepare(micfil->mclk);  in fsl_micfil_runtime_suspend()
787 	struct fsl_micfil *micfil = dev_get_drvdata(dev);  in fsl_micfil_runtime_resume()  local
790 	ret = clk_prepare_enable(micfil->mclk);  in fsl_micfil_runtime_resume()
794 	regcache_cache_only(micfil->regmap, false);  in fsl_micfil_runtime_resume()
795 	regcache_mark_dirty(micfil->regmap);  in fsl_micfil_runtime_resume()
796 	regcache_sync(micfil->regmap);  in fsl_micfil_runtime_resume()