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()
219 	struct mxs_saif *saif = mxs_saif[saif_id];  in mxs_saif_put_mclk()  local
222 	if (!saif)  in mxs_saif_put_mclk()
225 	stat = __raw_readl(saif->base + SAIF_STAT);  in mxs_saif_put_mclk()
227 		dev_err(saif->dev, "error: busy\n");  in mxs_saif_put_mclk()
231 	clk_disable_unprepare(saif->clk);  in mxs_saif_put_mclk()
235 		saif->base + SAIF_CTRL + MXS_SET_ADDR);  in mxs_saif_put_mclk()
237 		saif->base + SAIF_CTRL + MXS_CLR_ADDR);  in mxs_saif_put_mclk()
239 	saif->mclk_in_use = 0;  in mxs_saif_put_mclk()
253 	struct mxs_saif *saif = mxs_saif[saif_id];  in mxs_saif_get_mclk()  local
258 	if (!saif)  in mxs_saif_get_mclk()
263 		saif->base + SAIF_CTRL + MXS_CLR_ADDR);  in mxs_saif_get_mclk()
267 		saif->base + SAIF_CTRL + MXS_CLR_ADDR);  in mxs_saif_get_mclk()
269 	master_saif = mxs_saif_get_master(saif);  in mxs_saif_get_mclk()
270 	if (saif != master_saif) {  in mxs_saif_get_mclk()
271 		dev_err(saif->dev, "can not get mclk from a non-master saif\n");  in mxs_saif_get_mclk()
275 	stat = __raw_readl(saif->base + SAIF_STAT);  in mxs_saif_get_mclk()
277 		dev_err(saif->dev, "error: busy\n");  in mxs_saif_get_mclk()
281 	saif->mclk_in_use = 1;  in mxs_saif_get_mclk()
282 	ret = mxs_saif_set_clk(saif, mclk, rate);  in mxs_saif_get_mclk()
286 	ret = clk_prepare_enable(saif->clk);  in mxs_saif_get_mclk()
292 		saif->base + SAIF_CTRL + MXS_SET_ADDR);  in mxs_saif_get_mclk()
306 	struct mxs_saif *saif = snd_soc_dai_get_drvdata(cpu_dai);  in mxs_saif_set_dai_fmt()  local
308 	stat = __raw_readl(saif->base + SAIF_STAT);  in mxs_saif_set_dai_fmt()
317 	if (saif->id != saif->master_id) {  in mxs_saif_set_dai_fmt()
319 			saif->base + SAIF_CTRL + MXS_CLR_ADDR);  in mxs_saif_set_dai_fmt()
321 			saif->base + SAIF_CTRL + MXS_CLR_ADDR);  in mxs_saif_set_dai_fmt()
324 	scr0 = __raw_readl(saif->base + SAIF_CTRL);  in mxs_saif_set_dai_fmt()
375 		if (saif->id == saif->master_id)  in mxs_saif_set_dai_fmt()
380 		__raw_writel(scr | scr0, saif->base + SAIF_CTRL);  in mxs_saif_set_dai_fmt()
392 	struct mxs_saif *saif = snd_soc_dai_get_drvdata(cpu_dai);  in mxs_saif_startup()  local
396 	saif->fifo_underrun = 0;  in mxs_saif_startup()
397 	saif->fifo_overrun = 0;  in mxs_saif_startup()
401 		saif->base + SAIF_CTRL + MXS_CLR_ADDR);  in mxs_saif_startup()
405 		saif->base + SAIF_CTRL + MXS_CLR_ADDR);  in mxs_saif_startup()
407 	ret = clk_prepare(saif->clk);  in mxs_saif_startup()
417 	struct mxs_saif *saif = snd_soc_dai_get_drvdata(cpu_dai);  in mxs_saif_shutdown()  local
419 	clk_unprepare(saif->clk);  in mxs_saif_shutdown()
430 	struct mxs_saif *saif = snd_soc_dai_get_drvdata(cpu_dai);  in mxs_saif_hw_params()  local
435 	master_saif = mxs_saif_get_master(saif);  in mxs_saif_hw_params()
440 	if (!saif->mclk && saif->mclk_in_use) {  in mxs_saif_hw_params()
445 	stat = __raw_readl(saif->base + SAIF_STAT);  in mxs_saif_hw_params()
446 	if (!saif->mclk_in_use && (stat & BM_SAIF_STAT_BUSY)) {  in mxs_saif_hw_params()
456 	ret = mxs_saif_set_clk(saif, saif->mclk, params_rate(params));  in mxs_saif_hw_params()
462 	if (saif != master_saif) {  in mxs_saif_hw_params()
470 		clk_enable(saif->clk);  in mxs_saif_hw_params()
471 		ret = clk_set_rate(saif->clk, 24000000);  in mxs_saif_hw_params()
472 		clk_disable(saif->clk);  in mxs_saif_hw_params()
481 	scr = __raw_readl(saif->base + SAIF_CTRL);  in mxs_saif_hw_params()
510 	__raw_writel(scr, saif->base + SAIF_CTRL);  in mxs_saif_hw_params()
517 	struct mxs_saif *saif = snd_soc_dai_get_drvdata(cpu_dai);  in mxs_saif_prepare()  local
521 		saif->base + SAIF_CTRL + MXS_SET_ADDR);  in mxs_saif_prepare()
529 	struct mxs_saif *saif = snd_soc_dai_get_drvdata(cpu_dai);  in mxs_saif_trigger()  local
534 	master_saif = mxs_saif_get_master(saif);  in mxs_saif_trigger()
542 		if (saif->state == MXS_SAIF_STATE_RUNNING)  in mxs_saif_trigger()
549 			dev_err(saif->dev, "Failed to enable master clock\n");  in mxs_saif_trigger()
557 		if (saif != master_saif) {  in mxs_saif_trigger()
558 			ret = clk_enable(saif->clk);  in mxs_saif_trigger()
560 				dev_err(saif->dev, "Failed to enable master clock\n");  in mxs_saif_trigger()
566 				saif->base + SAIF_CTRL + MXS_SET_ADDR);  in mxs_saif_trigger()
581 			__raw_writel(0, saif->base + SAIF_DATA);  in mxs_saif_trigger()
582 			__raw_writel(0, saif->base + SAIF_DATA);  in mxs_saif_trigger()
591 			__raw_readl(saif->base + SAIF_DATA);  in mxs_saif_trigger()
592 			__raw_readl(saif->base + SAIF_DATA);  in mxs_saif_trigger()
596 		saif->state = MXS_SAIF_STATE_RUNNING;  in mxs_saif_trigger()
598 		dev_dbg(saif->dev, "CTRL 0x%x STAT 0x%x\n",  in mxs_saif_trigger()
599 			__raw_readl(saif->base + SAIF_CTRL),  in mxs_saif_trigger()
600 			__raw_readl(saif->base + SAIF_STAT));  in mxs_saif_trigger()
609 		if (saif->state == MXS_SAIF_STATE_STOPPED)  in mxs_saif_trigger()
624 		if (saif != master_saif) {  in mxs_saif_trigger()
626 				saif->base + SAIF_CTRL + MXS_CLR_ADDR);  in mxs_saif_trigger()
628 			clk_disable(saif->clk);  in mxs_saif_trigger()
632 		saif->state = MXS_SAIF_STATE_STOPPED;  in mxs_saif_trigger()
659 	struct mxs_saif *saif = dev_get_drvdata(dai->dev);  in mxs_saif_dai_probe()  local
661 	snd_soc_dai_set_drvdata(dai, saif);  in mxs_saif_dai_probe()
690 	struct mxs_saif *saif = dev_id;  in mxs_saif_irq()  local
693 	stat = __raw_readl(saif->base + SAIF_STAT);  in mxs_saif_irq()
699 		dev_dbg(saif->dev, "underrun!!! %d\n", ++saif->fifo_underrun);  in mxs_saif_irq()
701 				saif->base + SAIF_STAT + MXS_CLR_ADDR);  in mxs_saif_irq()
705 		dev_dbg(saif->dev, "overrun!!! %d\n", ++saif->fifo_overrun);  in mxs_saif_irq()
707 				saif->base + SAIF_STAT + MXS_CLR_ADDR);  in mxs_saif_irq()
710 	dev_dbg(saif->dev, "SAIF_CTRL %x SAIF_STAT %x\n",  in mxs_saif_irq()
711 	       __raw_readl(saif->base + SAIF_CTRL),  in mxs_saif_irq()
712 	       __raw_readl(saif->base + SAIF_STAT));  in mxs_saif_irq()
719 	struct mxs_saif *saif = platform_get_drvdata(pdev);  in mxs_saif_mclk_init()  local
725 				   __clk_get_name(saif->clk), 0,  in mxs_saif_mclk_init()
726 				   saif->base + SAIF_CTRL,  in mxs_saif_mclk_init()
748 	struct mxs_saif *saif;  in mxs_saif_probe()  local
755 	saif = devm_kzalloc(&pdev->dev, sizeof(*saif), GFP_KERNEL);  in mxs_saif_probe()
756 	if (!saif)  in mxs_saif_probe()
763 		saif->id = ret;  in mxs_saif_probe()
765 	if (saif->id >= ARRAY_SIZE(mxs_saif)) {  in mxs_saif_probe()
777 		saif->master_id = saif->id;  in mxs_saif_probe()
783 			saif->master_id = ret;  in mxs_saif_probe()
785 		if (saif->master_id >= ARRAY_SIZE(mxs_saif)) {  in mxs_saif_probe()
791 	mxs_saif[saif->id] = saif;  in mxs_saif_probe()
793 	saif->clk = devm_clk_get(&pdev->dev, NULL);  in mxs_saif_probe()
794 	if (IS_ERR(saif->clk)) {  in mxs_saif_probe()
795 		ret = PTR_ERR(saif->clk);  in mxs_saif_probe()
803 	saif->base = devm_ioremap_resource(&pdev->dev, iores);  in mxs_saif_probe()
804 	if (IS_ERR(saif->base))  in mxs_saif_probe()
805 		return PTR_ERR(saif->base);  in mxs_saif_probe()
815 	saif->dev = &pdev->dev;  in mxs_saif_probe()
817 			       dev_name(&pdev->dev), saif);  in mxs_saif_probe()
823 	platform_set_drvdata(pdev, saif);  in mxs_saif_probe()
826 	if (saif->id == 0) {  in mxs_saif_probe()