63 	struct mxs_saif *saif = snd_soc_dai_get_drvdata(cpu_dai);  in mxs_saif_set_dai_sysclk()  local
67 		saif->mclk = freq;  in mxs_saif_set_dai_sysclk()
81 static inline struct mxs_saif *mxs_saif_get_master(struct mxs_saif * saif)  in mxs_saif_get_master()  argument
83 	return mxs_saif[saif->master_id];  in mxs_saif_get_master()
89 static int mxs_saif_set_clk(struct mxs_saif *saif,  in mxs_saif_set_clk()  argument
97 	dev_dbg(saif->dev, "mclk %d rate %d\n", mclk, rate);  in mxs_saif_set_clk()
100 	master_saif = mxs_saif_get_master(saif);  in mxs_saif_set_clk()
104 	dev_dbg(saif->dev, "master saif%d\n", master_saif->id);  in mxs_saif_set_clk()
108 		dev_err(saif->dev,  in mxs_saif_set_clk()
207 	struct mxs_saif *saif = mxs_saif[saif_id];  in mxs_saif_put_mclk()  local
210 	if (!saif)  in mxs_saif_put_mclk()
213 	stat = __raw_readl(saif->base + SAIF_STAT);  in mxs_saif_put_mclk()
215 		dev_err(saif->dev, "error: busy\n");  in mxs_saif_put_mclk()
219 	clk_disable_unprepare(saif->clk);  in mxs_saif_put_mclk()
223 		saif->base + SAIF_CTRL + MXS_SET_ADDR);  in mxs_saif_put_mclk()
225 		saif->base + SAIF_CTRL + MXS_CLR_ADDR);  in mxs_saif_put_mclk()
227 	saif->mclk_in_use = 0;  in mxs_saif_put_mclk()
241 	struct mxs_saif *saif = mxs_saif[saif_id];  in mxs_saif_get_mclk()  local
246 	if (!saif)  in mxs_saif_get_mclk()
251 		saif->base + SAIF_CTRL + MXS_CLR_ADDR);  in mxs_saif_get_mclk()
255 		saif->base + SAIF_CTRL + MXS_CLR_ADDR);  in mxs_saif_get_mclk()
257 	master_saif = mxs_saif_get_master(saif);  in mxs_saif_get_mclk()
258 	if (saif != master_saif) {  in mxs_saif_get_mclk()
259 		dev_err(saif->dev, "can not get mclk from a non-master saif\n");  in mxs_saif_get_mclk()
263 	stat = __raw_readl(saif->base + SAIF_STAT);  in mxs_saif_get_mclk()
265 		dev_err(saif->dev, "error: busy\n");  in mxs_saif_get_mclk()
269 	saif->mclk_in_use = 1;  in mxs_saif_get_mclk()
270 	ret = mxs_saif_set_clk(saif, mclk, rate);  in mxs_saif_get_mclk()
274 	ret = clk_prepare_enable(saif->clk);  in mxs_saif_get_mclk()
280 		saif->base + SAIF_CTRL + MXS_SET_ADDR);  in mxs_saif_get_mclk()
294 	struct mxs_saif *saif = snd_soc_dai_get_drvdata(cpu_dai);  in mxs_saif_set_dai_fmt()  local
296 	stat = __raw_readl(saif->base + SAIF_STAT);  in mxs_saif_set_dai_fmt()
302 	scr0 = __raw_readl(saif->base + SAIF_CTRL);  in mxs_saif_set_dai_fmt()
353 		if (saif->id == saif->master_id)  in mxs_saif_set_dai_fmt()
358 		__raw_writel(scr | scr0, saif->base + SAIF_CTRL);  in mxs_saif_set_dai_fmt()
370 	struct mxs_saif *saif = snd_soc_dai_get_drvdata(cpu_dai);  in mxs_saif_startup()  local
373 	saif->fifo_underrun = 0;  in mxs_saif_startup()
374 	saif->fifo_overrun = 0;  in mxs_saif_startup()
378 		saif->base + SAIF_CTRL + MXS_CLR_ADDR);  in mxs_saif_startup()
382 		saif->base + SAIF_CTRL + MXS_CLR_ADDR);  in mxs_saif_startup()
395 	struct mxs_saif *saif = snd_soc_dai_get_drvdata(cpu_dai);  in mxs_saif_hw_params()  local
400 	master_saif = mxs_saif_get_master(saif);  in mxs_saif_hw_params()
405 	if (!saif->mclk && saif->mclk_in_use) {  in mxs_saif_hw_params()
410 	stat = __raw_readl(saif->base + SAIF_STAT);  in mxs_saif_hw_params()
421 	ret = mxs_saif_set_clk(saif, saif->mclk, params_rate(params));  in mxs_saif_hw_params()
428 	clk_prepare(saif->clk);  in mxs_saif_hw_params()
429 	if (saif != master_saif) {  in mxs_saif_hw_params()
437 		clk_enable(saif->clk);  in mxs_saif_hw_params()
438 		ret = clk_set_rate(saif->clk, 24000000);  in mxs_saif_hw_params()
439 		clk_disable(saif->clk);  in mxs_saif_hw_params()
446 	scr = __raw_readl(saif->base + SAIF_CTRL);  in mxs_saif_hw_params()
475 	__raw_writel(scr, saif->base + SAIF_CTRL);  in mxs_saif_hw_params()
482 	struct mxs_saif *saif = snd_soc_dai_get_drvdata(cpu_dai);  in mxs_saif_prepare()  local
486 		saif->base + SAIF_CTRL + MXS_SET_ADDR);  in mxs_saif_prepare()
494 	struct mxs_saif *saif = snd_soc_dai_get_drvdata(cpu_dai);  in mxs_saif_trigger()  local
499 	master_saif = mxs_saif_get_master(saif);  in mxs_saif_trigger()
507 		if (saif->state == MXS_SAIF_STATE_RUNNING)  in mxs_saif_trigger()
514 			dev_err(saif->dev, "Failed to enable master clock\n");  in mxs_saif_trigger()
522 		if (saif != master_saif) {  in mxs_saif_trigger()
523 			ret = clk_enable(saif->clk);  in mxs_saif_trigger()
525 				dev_err(saif->dev, "Failed to enable master clock\n");  in mxs_saif_trigger()
531 				saif->base + SAIF_CTRL + MXS_SET_ADDR);  in mxs_saif_trigger()
546 			__raw_writel(0, saif->base + SAIF_DATA);  in mxs_saif_trigger()
547 			__raw_writel(0, saif->base + SAIF_DATA);  in mxs_saif_trigger()
556 			__raw_readl(saif->base + SAIF_DATA);  in mxs_saif_trigger()
557 			__raw_readl(saif->base + SAIF_DATA);  in mxs_saif_trigger()
561 		saif->state = MXS_SAIF_STATE_RUNNING;  in mxs_saif_trigger()
563 		dev_dbg(saif->dev, "CTRL 0x%x STAT 0x%x\n",  in mxs_saif_trigger()
564 			__raw_readl(saif->base + SAIF_CTRL),  in mxs_saif_trigger()
565 			__raw_readl(saif->base + SAIF_STAT));  in mxs_saif_trigger()
574 		if (saif->state == MXS_SAIF_STATE_STOPPED)  in mxs_saif_trigger()
589 		if (saif != master_saif) {  in mxs_saif_trigger()
591 				saif->base + SAIF_CTRL + MXS_CLR_ADDR);  in mxs_saif_trigger()
593 			clk_disable(saif->clk);  in mxs_saif_trigger()
597 		saif->state = MXS_SAIF_STATE_STOPPED;  in mxs_saif_trigger()
623 	struct mxs_saif *saif = dev_get_drvdata(dai->dev);  in mxs_saif_dai_probe()  local
625 	snd_soc_dai_set_drvdata(dai, saif);  in mxs_saif_dai_probe()
654 	struct mxs_saif *saif = dev_id;  in mxs_saif_irq()  local
657 	stat = __raw_readl(saif->base + SAIF_STAT);  in mxs_saif_irq()
663 		dev_dbg(saif->dev, "underrun!!! %d\n", ++saif->fifo_underrun);  in mxs_saif_irq()
665 				saif->base + SAIF_STAT + MXS_CLR_ADDR);  in mxs_saif_irq()
669 		dev_dbg(saif->dev, "overrun!!! %d\n", ++saif->fifo_overrun);  in mxs_saif_irq()
671 				saif->base + SAIF_STAT + MXS_CLR_ADDR);  in mxs_saif_irq()
674 	dev_dbg(saif->dev, "SAIF_CTRL %x SAIF_STAT %x\n",  in mxs_saif_irq()
675 	       __raw_readl(saif->base + SAIF_CTRL),  in mxs_saif_irq()
676 	       __raw_readl(saif->base + SAIF_STAT));  in mxs_saif_irq()
683 	struct mxs_saif *saif = platform_get_drvdata(pdev);  in mxs_saif_mclk_init()  local
689 				   __clk_get_name(saif->clk), 0,  in mxs_saif_mclk_init()
690 				   saif->base + SAIF_CTRL,  in mxs_saif_mclk_init()
712 	struct mxs_saif *saif;  in mxs_saif_probe()  local
719 	saif = devm_kzalloc(&pdev->dev, sizeof(*saif), GFP_KERNEL);  in mxs_saif_probe()
720 	if (!saif)  in mxs_saif_probe()
727 		saif->id = ret;  in mxs_saif_probe()
736 		saif->master_id = saif->id;  in mxs_saif_probe()
742 			saif->master_id = ret;  in mxs_saif_probe()
745 	if (saif->master_id >= ARRAY_SIZE(mxs_saif)) {  in mxs_saif_probe()
750 	mxs_saif[saif->id] = saif;  in mxs_saif_probe()
752 	saif->clk = devm_clk_get(&pdev->dev, NULL);  in mxs_saif_probe()
753 	if (IS_ERR(saif->clk)) {  in mxs_saif_probe()
754 		ret = PTR_ERR(saif->clk);  in mxs_saif_probe()
762 	saif->base = devm_ioremap_resource(&pdev->dev, iores);  in mxs_saif_probe()
763 	if (IS_ERR(saif->base))  in mxs_saif_probe()
764 		return PTR_ERR(saif->base);  in mxs_saif_probe()
774 	saif->dev = &pdev->dev;  in mxs_saif_probe()
776 			       dev_name(&pdev->dev), saif);  in mxs_saif_probe()
782 	platform_set_drvdata(pdev, saif);  in mxs_saif_probe()
785 	if (saif->id == 0) {  in mxs_saif_probe()