43 	struct fsl_sai *sai = (struct fsl_sai *)devid;  in fsl_sai_isr()  local
44 	struct device *dev = &sai->pdev->dev;  in fsl_sai_isr()
56 	regmap_read(sai->regmap, FSL_SAI_TCSR, &xcsr);  in fsl_sai_isr()
86 		regmap_write(sai->regmap, FSL_SAI_TCSR, flags | xcsr);  in fsl_sai_isr()
90 	regmap_read(sai->regmap, FSL_SAI_RCSR, &xcsr);  in fsl_sai_isr()
120 		regmap_write(sai->regmap, FSL_SAI_RCSR, flags | xcsr);  in fsl_sai_isr()
132 	struct fsl_sai *sai = snd_soc_dai_get_drvdata(cpu_dai);  in fsl_sai_set_dai_sysclk_tr()  local
153 	regmap_update_bits(sai->regmap, FSL_SAI_xCR2(tx),  in fsl_sai_set_dai_sysclk_tr()
185 	struct fsl_sai *sai = snd_soc_dai_get_drvdata(cpu_dai);  in fsl_sai_set_dai_fmt_tr()  local
189 	if (!sai->is_lsb_first)  in fsl_sai_set_dai_fmt_tr()
220 		sai->is_dsp_mode = true;  in fsl_sai_set_dai_fmt_tr()
228 		sai->is_dsp_mode = true;  in fsl_sai_set_dai_fmt_tr()
265 		sai->is_slave_mode = true;  in fsl_sai_set_dai_fmt_tr()
272 		sai->is_slave_mode = true;  in fsl_sai_set_dai_fmt_tr()
278 	regmap_update_bits(sai->regmap, FSL_SAI_xCR2(tx),  in fsl_sai_set_dai_fmt_tr()
280 	regmap_update_bits(sai->regmap, FSL_SAI_xCR4(tx),  in fsl_sai_set_dai_fmt_tr()
306 	struct fsl_sai *sai = snd_soc_dai_get_drvdata(dai);  in fsl_sai_set_bclk()  local
313 	if (sai->is_slave_mode)  in fsl_sai_set_bclk()
317 		clk_rate = clk_get_rate(sai->mclk_clk[id]);  in fsl_sai_set_bclk()
343 			sai->mclk_id[tx] = id;  in fsl_sai_set_bclk()
357 	if ((tx && sai->synchronous[TX]) || (!tx && !sai->synchronous[RX])) {  in fsl_sai_set_bclk()
358 		regmap_update_bits(sai->regmap, FSL_SAI_RCR2,  in fsl_sai_set_bclk()
360 				   FSL_SAI_CR2_MSEL(sai->mclk_id[tx]));  in fsl_sai_set_bclk()
361 		regmap_update_bits(sai->regmap, FSL_SAI_RCR2,  in fsl_sai_set_bclk()
364 		regmap_update_bits(sai->regmap, FSL_SAI_TCR2,  in fsl_sai_set_bclk()
366 				   FSL_SAI_CR2_MSEL(sai->mclk_id[tx]));  in fsl_sai_set_bclk()
367 		regmap_update_bits(sai->regmap, FSL_SAI_TCR2,  in fsl_sai_set_bclk()
372 			sai->mclk_id[tx], savediv, savesub);  in fsl_sai_set_bclk()
381 	struct fsl_sai *sai = snd_soc_dai_get_drvdata(cpu_dai);  in fsl_sai_hw_params()  local
388 	if (!sai->is_slave_mode) {  in fsl_sai_hw_params()
395 		if (!(sai->mclk_streams & BIT(substream->stream))) {  in fsl_sai_hw_params()
396 			ret = clk_prepare_enable(sai->mclk_clk[sai->mclk_id[tx]]);  in fsl_sai_hw_params()
400 			sai->mclk_streams |= BIT(substream->stream);  in fsl_sai_hw_params()
405 	if (!sai->is_dsp_mode)  in fsl_sai_hw_params()
411 	if (sai->is_lsb_first)  in fsl_sai_hw_params()
418 	regmap_update_bits(sai->regmap, FSL_SAI_xCR4(tx),  in fsl_sai_hw_params()
421 	regmap_update_bits(sai->regmap, FSL_SAI_xCR5(tx),  in fsl_sai_hw_params()
424 	regmap_write(sai->regmap, FSL_SAI_xMR(tx), ~0UL - ((1 << channels) - 1));  in fsl_sai_hw_params()
432 	struct fsl_sai *sai = snd_soc_dai_get_drvdata(cpu_dai);  in fsl_sai_hw_free()  local
435 	if (!sai->is_slave_mode &&  in fsl_sai_hw_free()
436 			sai->mclk_streams & BIT(substream->stream)) {  in fsl_sai_hw_free()
437 		clk_disable_unprepare(sai->mclk_clk[sai->mclk_id[tx]]);  in fsl_sai_hw_free()
438 		sai->mclk_streams &= ~BIT(substream->stream);  in fsl_sai_hw_free()
448 	struct fsl_sai *sai = snd_soc_dai_get_drvdata(cpu_dai);  in fsl_sai_trigger()  local
457 	regmap_update_bits(sai->regmap, FSL_SAI_TCR2, FSL_SAI_CR2_SYNC,  in fsl_sai_trigger()
458 		           sai->synchronous[TX] ? FSL_SAI_CR2_SYNC : 0);  in fsl_sai_trigger()
459 	regmap_update_bits(sai->regmap, FSL_SAI_RCR2, FSL_SAI_CR2_SYNC,  in fsl_sai_trigger()
460 			   sai->synchronous[RX] ? FSL_SAI_CR2_SYNC : 0);  in fsl_sai_trigger()
470 		regmap_update_bits(sai->regmap, FSL_SAI_xCSR(tx),  in fsl_sai_trigger()
473 		regmap_update_bits(sai->regmap, FSL_SAI_RCSR,  in fsl_sai_trigger()
475 		regmap_update_bits(sai->regmap, FSL_SAI_TCSR,  in fsl_sai_trigger()
478 		regmap_update_bits(sai->regmap, FSL_SAI_xCSR(tx),  in fsl_sai_trigger()
484 		regmap_update_bits(sai->regmap, FSL_SAI_xCSR(tx),  in fsl_sai_trigger()
486 		regmap_update_bits(sai->regmap, FSL_SAI_xCSR(tx),  in fsl_sai_trigger()
490 		regmap_read(sai->regmap, FSL_SAI_xCSR(!tx), &xcsr);  in fsl_sai_trigger()
493 			regmap_update_bits(sai->regmap, FSL_SAI_TCSR,  in fsl_sai_trigger()
495 			regmap_update_bits(sai->regmap, FSL_SAI_RCSR,  in fsl_sai_trigger()
501 				regmap_read(sai->regmap, FSL_SAI_xCSR(tx), &xcsr);  in fsl_sai_trigger()
504 			regmap_update_bits(sai->regmap, FSL_SAI_TCSR,  in fsl_sai_trigger()
506 			regmap_update_bits(sai->regmap, FSL_SAI_RCSR,  in fsl_sai_trigger()
516 			if (!sai->is_slave_mode) {  in fsl_sai_trigger()
518 				regmap_write(sai->regmap,  in fsl_sai_trigger()
520 				regmap_write(sai->regmap,  in fsl_sai_trigger()
523 				regmap_write(sai->regmap, FSL_SAI_TCSR, 0);  in fsl_sai_trigger()
524 				regmap_write(sai->regmap, FSL_SAI_RCSR, 0);  in fsl_sai_trigger()
538 	struct fsl_sai *sai = snd_soc_dai_get_drvdata(cpu_dai);  in fsl_sai_startup()  local
540 	struct device *dev = &sai->pdev->dev;  in fsl_sai_startup()
543 	ret = clk_prepare_enable(sai->bus_clk);  in fsl_sai_startup()
549 	regmap_update_bits(sai->regmap, FSL_SAI_xCR3(tx), FSL_SAI_CR3_TRCE,  in fsl_sai_startup()
561 	struct fsl_sai *sai = snd_soc_dai_get_drvdata(cpu_dai);  in fsl_sai_shutdown()  local
564 	regmap_update_bits(sai->regmap, FSL_SAI_xCR3(tx), FSL_SAI_CR3_TRCE, 0);  in fsl_sai_shutdown()
566 	clk_disable_unprepare(sai->bus_clk);  in fsl_sai_shutdown()
581 	struct fsl_sai *sai = dev_get_drvdata(cpu_dai->dev);  in fsl_sai_dai_probe()  local
584 	regmap_write(sai->regmap, FSL_SAI_TCSR, FSL_SAI_CSR_SR);  in fsl_sai_dai_probe()
585 	regmap_write(sai->regmap, FSL_SAI_RCSR, FSL_SAI_CSR_SR);  in fsl_sai_dai_probe()
587 	regmap_write(sai->regmap, FSL_SAI_TCSR, 0);  in fsl_sai_dai_probe()
588 	regmap_write(sai->regmap, FSL_SAI_RCSR, 0);  in fsl_sai_dai_probe()
590 	regmap_update_bits(sai->regmap, FSL_SAI_TCR1, FSL_SAI_CR1_RFW_MASK,  in fsl_sai_dai_probe()
592 	regmap_update_bits(sai->regmap, FSL_SAI_RCR1, FSL_SAI_CR1_RFW_MASK,  in fsl_sai_dai_probe()
595 	snd_soc_dai_init_dma_data(cpu_dai, &sai->dma_params_tx,  in fsl_sai_dai_probe()
596 				&sai->dma_params_rx);  in fsl_sai_dai_probe()
598 	snd_soc_dai_set_drvdata(cpu_dai, sai);  in fsl_sai_dai_probe()
711 	struct fsl_sai *sai;  in fsl_sai_probe()  local
717 	sai = devm_kzalloc(&pdev->dev, sizeof(*sai), GFP_KERNEL);  in fsl_sai_probe()
718 	if (!sai)  in fsl_sai_probe()
721 	sai->pdev = pdev;  in fsl_sai_probe()
724 		sai->sai_on_imx = true;  in fsl_sai_probe()
726 	sai->is_lsb_first = of_property_read_bool(np, "lsb-first");  in fsl_sai_probe()
733 	sai->regmap = devm_regmap_init_mmio_clk(&pdev->dev,  in fsl_sai_probe()
737 	if (IS_ERR(sai->regmap))  in fsl_sai_probe()
738 		sai->regmap = devm_regmap_init_mmio_clk(&pdev->dev,  in fsl_sai_probe()
740 	if (IS_ERR(sai->regmap)) {  in fsl_sai_probe()
742 		return PTR_ERR(sai->regmap);  in fsl_sai_probe()
746 	sai->bus_clk = devm_clk_get(&pdev->dev, "bus");  in fsl_sai_probe()
747 	if (IS_ERR(sai->bus_clk)) {  in fsl_sai_probe()
749 				PTR_ERR(sai->bus_clk));  in fsl_sai_probe()
750 		sai->bus_clk = NULL;  in fsl_sai_probe()
753 	sai->mclk_clk[0] = sai->bus_clk;  in fsl_sai_probe()
756 		sai->mclk_clk[i] = devm_clk_get(&pdev->dev, tmp);  in fsl_sai_probe()
757 		if (IS_ERR(sai->mclk_clk[i])) {  in fsl_sai_probe()
759 					i + 1, PTR_ERR(sai->mclk_clk[i]));  in fsl_sai_probe()
760 			sai->mclk_clk[i] = NULL;  in fsl_sai_probe()
770 	ret = devm_request_irq(&pdev->dev, irq, fsl_sai_isr, 0, np->name, sai);  in fsl_sai_probe()
777 	sai->synchronous[RX] = true;  in fsl_sai_probe()
778 	sai->synchronous[TX] = false;  in fsl_sai_probe()
792 		sai->synchronous[RX] = false;  in fsl_sai_probe()
793 		sai->synchronous[TX] = true;  in fsl_sai_probe()
796 		sai->synchronous[RX] = false;  in fsl_sai_probe()
797 		sai->synchronous[TX] = false;  in fsl_sai_probe()
803 	sai->dma_params_rx.addr = res->start + FSL_SAI_RDR;  in fsl_sai_probe()
804 	sai->dma_params_tx.addr = res->start + FSL_SAI_TDR;  in fsl_sai_probe()
805 	sai->dma_params_rx.maxburst = FSL_SAI_MAXBURST_RX;  in fsl_sai_probe()
806 	sai->dma_params_tx.maxburst = FSL_SAI_MAXBURST_TX;  in fsl_sai_probe()
808 	platform_set_drvdata(pdev, sai);  in fsl_sai_probe()
815 	if (sai->sai_on_imx)  in fsl_sai_probe()
831 	struct fsl_sai *sai = dev_get_drvdata(dev);  in fsl_sai_suspend()  local
833 	regcache_cache_only(sai->regmap, true);  in fsl_sai_suspend()
834 	regcache_mark_dirty(sai->regmap);  in fsl_sai_suspend()
841 	struct fsl_sai *sai = dev_get_drvdata(dev);  in fsl_sai_resume()  local
843 	regcache_cache_only(sai->regmap, false);  in fsl_sai_resume()
844 	regmap_write(sai->regmap, FSL_SAI_TCSR, FSL_SAI_CSR_SR);  in fsl_sai_resume()
845 	regmap_write(sai->regmap, FSL_SAI_RCSR, FSL_SAI_CSR_SR);  in fsl_sai_resume()
847 	regmap_write(sai->regmap, FSL_SAI_TCSR, 0);  in fsl_sai_resume()
848 	regmap_write(sai->regmap, FSL_SAI_RCSR, 0);  in fsl_sai_resume()
849 	return regcache_sync(sai->regmap);  in fsl_sai_resume()