222 static void spdif_irq_dpll_lock(struct fsl_spdif_priv *spdif_priv)  in spdif_irq_dpll_lock()  argument
224 	struct regmap *regmap = spdif_priv->regmap;  in spdif_irq_dpll_lock()
225 	struct platform_device *pdev = spdif_priv->pdev;  in spdif_irq_dpll_lock()
234 	spdif_priv->dpll_locked = locked ? true : false;  in spdif_irq_dpll_lock()
236 	if (spdif_priv->snd_card && spdif_priv->rxrate_kcontrol) {  in spdif_irq_dpll_lock()
237 		snd_ctl_notify(spdif_priv->snd_card,  in spdif_irq_dpll_lock()
239 			       &spdif_priv->rxrate_kcontrol->id);  in spdif_irq_dpll_lock()
244 static void spdif_irq_sym_error(struct fsl_spdif_priv *spdif_priv)  in spdif_irq_sym_error()  argument
246 	struct regmap *regmap = spdif_priv->regmap;  in spdif_irq_sym_error()
247 	struct platform_device *pdev = spdif_priv->pdev;  in spdif_irq_sym_error()
252 	if (!spdif_priv->dpll_locked)  in spdif_irq_sym_error()
257 static void spdif_irq_uqrx_full(struct fsl_spdif_priv *spdif_priv, char name)  in spdif_irq_uqrx_full()  argument
259 	struct spdif_mixer_control *ctrl = &spdif_priv->fsl_spdif_control;  in spdif_irq_uqrx_full()
260 	struct regmap *regmap = spdif_priv->regmap;  in spdif_irq_uqrx_full()
261 	struct platform_device *pdev = spdif_priv->pdev;  in spdif_irq_uqrx_full()
296 static void spdif_irq_uq_sync(struct fsl_spdif_priv *spdif_priv)  in spdif_irq_uq_sync()  argument
298 	struct spdif_mixer_control *ctrl = &spdif_priv->fsl_spdif_control;  in spdif_irq_uq_sync()
299 	struct platform_device *pdev = spdif_priv->pdev;  in spdif_irq_uq_sync()
312 static void spdif_irq_uq_err(struct fsl_spdif_priv *spdif_priv)  in spdif_irq_uq_err()  argument
314 	struct spdif_mixer_control *ctrl = &spdif_priv->fsl_spdif_control;  in spdif_irq_uq_err()
315 	struct regmap *regmap = spdif_priv->regmap;  in spdif_irq_uq_err()
316 	struct platform_device *pdev = spdif_priv->pdev;  in spdif_irq_uq_err()
332 static u32 spdif_intr_status_clear(struct fsl_spdif_priv *spdif_priv)  in spdif_intr_status_clear()  argument
334 	struct regmap *regmap = spdif_priv->regmap;  in spdif_intr_status_clear()
347 	struct fsl_spdif_priv *spdif_priv = (struct fsl_spdif_priv *)devid;  in spdif_isr()  local
348 	struct platform_device *pdev = spdif_priv->pdev;  in spdif_isr()
351 	sis = spdif_intr_status_clear(spdif_priv);  in spdif_isr()
354 		spdif_irq_dpll_lock(spdif_priv);  in spdif_isr()
369 		spdif_irq_sym_error(spdif_priv);  in spdif_isr()
375 		spdif_irq_uqrx_full(spdif_priv, 'U');  in spdif_isr()
381 		spdif_irq_uqrx_full(spdif_priv, 'Q');  in spdif_isr()
387 		spdif_irq_uq_sync(spdif_priv);  in spdif_isr()
390 		spdif_irq_uq_err(spdif_priv);  in spdif_isr()
399 		spdif_irq_dpll_lock(spdif_priv);  in spdif_isr()
412 static int spdif_softreset(struct fsl_spdif_priv *spdif_priv)  in spdif_softreset()  argument
414 	struct regmap *regmap = spdif_priv->regmap;  in spdif_softreset()
446 static void spdif_write_channel_status(struct fsl_spdif_priv *spdif_priv)  in spdif_write_channel_status()  argument
448 	struct spdif_mixer_control *ctrl = &spdif_priv->fsl_spdif_control;  in spdif_write_channel_status()
449 	struct regmap *regmap = spdif_priv->regmap;  in spdif_write_channel_status()
450 	struct platform_device *pdev = spdif_priv->pdev;  in spdif_write_channel_status()
465 	if (spdif_priv->soc->cchannel_192b) {  in spdif_write_channel_status()
484 static int spdif_set_rx_clksrc(struct fsl_spdif_priv *spdif_priv,  in spdif_set_rx_clksrc()  argument
487 	struct regmap *regmap = spdif_priv->regmap;  in spdif_set_rx_clksrc()
488 	u8 clksrc = spdif_priv->rxclk_src;  in spdif_set_rx_clksrc()
500 static int fsl_spdif_probe_txclk(struct fsl_spdif_priv *spdif_priv, enum spdif_txrate index);
506 	struct fsl_spdif_priv *spdif_priv = snd_soc_dai_get_drvdata(asoc_rtd_to_cpu(rtd, 0));  in spdif_set_sample_rate()  local
507 	struct spdif_mixer_control *ctrl = &spdif_priv->fsl_spdif_control;  in spdif_set_sample_rate()
508 	struct regmap *regmap = spdif_priv->regmap;  in spdif_set_sample_rate()
509 	struct platform_device *pdev = spdif_priv->pdev;  in spdif_set_sample_rate()
550 	ret = fsl_spdif_probe_txclk(spdif_priv, rate);  in spdif_set_sample_rate()
554 	clk = spdif_priv->txclk_src[rate];  in spdif_set_sample_rate()
560 	txclk_df = spdif_priv->txclk_df[rate];  in spdif_set_sample_rate()
566 	sysclk_df = spdif_priv->sysclk_df[rate];  in spdif_set_sample_rate()
568 	if (!fsl_spdif_can_set_clk_rate(spdif_priv, clk))  in spdif_set_sample_rate()
572 	ret = clk_set_rate(spdif_priv->txclk[clk],  in spdif_set_sample_rate()
583 			clk_get_rate(spdif_priv->txclk[clk]));  in spdif_set_sample_rate()
596 			spdif_priv->txrate[rate], sample_rate);  in spdif_set_sample_rate()
605 	struct fsl_spdif_priv *spdif_priv = snd_soc_dai_get_drvdata(asoc_rtd_to_cpu(rtd, 0));  in fsl_spdif_startup()  local
606 	struct platform_device *pdev = spdif_priv->pdev;  in fsl_spdif_startup()
607 	struct regmap *regmap = spdif_priv->regmap;  in fsl_spdif_startup()
613 		ret = spdif_softreset(spdif_priv);  in fsl_spdif_startup()
647 	struct fsl_spdif_priv *spdif_priv = snd_soc_dai_get_drvdata(asoc_rtd_to_cpu(rtd, 0));  in fsl_spdif_shutdown()  local
648 	struct regmap *regmap = spdif_priv->regmap;  in fsl_spdif_shutdown()
667 		spdif_intr_status_clear(spdif_priv);  in fsl_spdif_shutdown()
673 static int spdif_reparent_rootclk(struct fsl_spdif_priv *spdif_priv, unsigned int sample_rate)  in spdif_reparent_rootclk()  argument
675 	struct platform_device *pdev = spdif_priv->pdev;  in spdif_reparent_rootclk()
680 	if (!fsl_spdif_can_set_clk_rate(spdif_priv, STC_TXCLK_SPDIF_ROOT))  in spdif_reparent_rootclk()
684 	clk = spdif_priv->txclk[STC_TXCLK_SPDIF_ROOT];  in spdif_reparent_rootclk()
688 	fsl_asoc_reparent_pll_clocks(&pdev->dev, clk, spdif_priv->pll8k_clk,  in spdif_reparent_rootclk()
689 				     spdif_priv->pll11k_clk, sample_rate);  in spdif_reparent_rootclk()
701 	struct fsl_spdif_priv *spdif_priv = snd_soc_dai_get_drvdata(asoc_rtd_to_cpu(rtd, 0));  in fsl_spdif_hw_params()  local
702 	struct spdif_mixer_control *ctrl = &spdif_priv->fsl_spdif_control;  in fsl_spdif_hw_params()
703 	struct platform_device *pdev = spdif_priv->pdev;  in fsl_spdif_hw_params()
708 		ret = spdif_reparent_rootclk(spdif_priv, sample_rate);  in fsl_spdif_hw_params()
723 		spdif_write_channel_status(spdif_priv);  in fsl_spdif_hw_params()
726 		ret = spdif_set_rx_clksrc(spdif_priv, SPDIF_DEFAULT_GAINSEL, 1);  in fsl_spdif_hw_params()
736 	struct fsl_spdif_priv *spdif_priv = snd_soc_dai_get_drvdata(asoc_rtd_to_cpu(rtd, 0));  in fsl_spdif_trigger()  local
737 	struct regmap *regmap = spdif_priv->regmap;  in fsl_spdif_trigger()
793 	struct fsl_spdif_priv *spdif_priv = snd_soc_dai_get_drvdata(cpu_dai);  in fsl_spdif_pb_get()  local
794 	struct spdif_mixer_control *ctrl = &spdif_priv->fsl_spdif_control;  in fsl_spdif_pb_get()
808 	struct fsl_spdif_priv *spdif_priv = snd_soc_dai_get_drvdata(cpu_dai);  in fsl_spdif_pb_put()  local
809 	struct spdif_mixer_control *ctrl = &spdif_priv->fsl_spdif_control;  in fsl_spdif_pb_put()
816 	spdif_write_channel_status(spdif_priv);  in fsl_spdif_pb_put()
826 	struct fsl_spdif_priv *spdif_priv = snd_soc_dai_get_drvdata(cpu_dai);  in fsl_spdif_capture_get()  local
827 	struct regmap *regmap = spdif_priv->regmap;  in fsl_spdif_capture_get()
858 	struct fsl_spdif_priv *spdif_priv = snd_soc_dai_get_drvdata(cpu_dai);  in fsl_spdif_subcode_get()  local
859 	struct spdif_mixer_control *ctrl = &spdif_priv->fsl_spdif_control;  in fsl_spdif_subcode_get()
890 	struct fsl_spdif_priv *spdif_priv = snd_soc_dai_get_drvdata(cpu_dai);  in fsl_spdif_qget()  local
891 	struct spdif_mixer_control *ctrl = &spdif_priv->fsl_spdif_control;  in fsl_spdif_qget()
912 	struct fsl_spdif_priv *spdif_priv = snd_soc_dai_get_drvdata(cpu_dai);  in fsl_spdif_rx_vbit_get()  local
913 	struct regmap *regmap = spdif_priv->regmap;  in fsl_spdif_rx_vbit_get()
927 	struct fsl_spdif_priv *spdif_priv = snd_soc_dai_get_drvdata(cpu_dai);  in fsl_spdif_tx_vbit_get()  local
928 	struct regmap *regmap = spdif_priv->regmap;  in fsl_spdif_tx_vbit_get()
943 	struct fsl_spdif_priv *spdif_priv = snd_soc_dai_get_drvdata(cpu_dai);  in fsl_spdif_tx_vbit_put()  local
944 	struct regmap *regmap = spdif_priv->regmap;  in fsl_spdif_tx_vbit_put()
956 	struct fsl_spdif_priv *spdif_priv = snd_soc_dai_get_drvdata(cpu_dai);  in fsl_spdif_rx_rcm_get()  local
957 	struct regmap *regmap = spdif_priv->regmap;  in fsl_spdif_rx_rcm_get()
971 	struct fsl_spdif_priv *spdif_priv = snd_soc_dai_get_drvdata(cpu_dai);  in fsl_spdif_rx_rcm_put()  local
972 	struct regmap *regmap = spdif_priv->regmap;  in fsl_spdif_rx_rcm_put()
1065 static int spdif_get_rxclk_rate(struct fsl_spdif_priv *spdif_priv,  in spdif_get_rxclk_rate()  argument
1068 	struct regmap *regmap = spdif_priv->regmap;  in spdif_get_rxclk_rate()
1069 	struct platform_device *pdev = spdif_priv->pdev;  in spdif_get_rxclk_rate()
1081 		busclk_freq = clk_get_rate(spdif_priv->sysclk);  in spdif_get_rxclk_rate()
1104 	struct fsl_spdif_priv *spdif_priv = snd_soc_dai_get_drvdata(cpu_dai);  in fsl_spdif_rxrate_get()  local
1107 	if (spdif_priv->dpll_locked)  in fsl_spdif_rxrate_get()
1108 		rate = spdif_get_rxclk_rate(spdif_priv, SPDIF_DEFAULT_GAINSEL);  in fsl_spdif_rxrate_get()
1124 	struct fsl_spdif_priv *spdif_priv = snd_soc_dai_get_drvdata(cpu_dai);  in fsl_spdif_usync_get()  local
1125 	struct regmap *regmap = spdif_priv->regmap;  in fsl_spdif_usync_get()
1143 	struct fsl_spdif_priv *spdif_priv = snd_soc_dai_get_drvdata(cpu_dai);  in fsl_spdif_usync_put()  local
1144 	struct regmap *regmap = spdif_priv->regmap;  in fsl_spdif_usync_put()
1421 static u32 fsl_spdif_txclk_caldiv(struct fsl_spdif_priv *spdif_priv,  in fsl_spdif_txclk_caldiv()  argument
1427 	bool is_sysclk = clk_is_match(clk, spdif_priv->sysclk);  in fsl_spdif_txclk_caldiv()
1451 				spdif_priv->txclk_df[index] = txclk_df;  in fsl_spdif_txclk_caldiv()
1452 				spdif_priv->sysclk_df[index] = sysclk_df;  in fsl_spdif_txclk_caldiv()
1453 				spdif_priv->txrate[index] = arate;  in fsl_spdif_txclk_caldiv()
1462 				spdif_priv->txclk_df[index] = txclk_df;  in fsl_spdif_txclk_caldiv()
1463 				spdif_priv->sysclk_df[index] = sysclk_df;  in fsl_spdif_txclk_caldiv()
1464 				spdif_priv->txrate[index] = arate;  in fsl_spdif_txclk_caldiv()
1472 				spdif_priv->txclk_df[index] = txclk_df;  in fsl_spdif_txclk_caldiv()
1473 				spdif_priv->sysclk_df[index] = sysclk_df;  in fsl_spdif_txclk_caldiv()
1474 				spdif_priv->txrate[index] = arate;  in fsl_spdif_txclk_caldiv()
1483 static int fsl_spdif_probe_txclk(struct fsl_spdif_priv *spdif_priv,  in fsl_spdif_probe_txclk()  argument
1488 	struct platform_device *pdev = spdif_priv->pdev;  in fsl_spdif_probe_txclk()
1495 		clk = spdif_priv->txclk[i];  in fsl_spdif_probe_txclk()
1503 		ret = fsl_spdif_txclk_caldiv(spdif_priv, clk, savesub, index,  in fsl_spdif_probe_txclk()
1504 					     fsl_spdif_can_set_clk_rate(spdif_priv, i));  in fsl_spdif_probe_txclk()
1509 		spdif_priv->txclk_src[index] = i;  in fsl_spdif_probe_txclk()
1517 			spdif_priv->txclk_src[index], rate[index]);  in fsl_spdif_probe_txclk()
1519 			spdif_priv->txclk_df[index], rate[index]);  in fsl_spdif_probe_txclk()
1520 	if (clk_is_match(spdif_priv->txclk[spdif_priv->txclk_src[index]], spdif_priv->sysclk))  in fsl_spdif_probe_txclk()
1522 				spdif_priv->sysclk_df[index], rate[index]);  in fsl_spdif_probe_txclk()
1524 			rate[index], spdif_priv->txrate[index]);  in fsl_spdif_probe_txclk()
1531 	struct fsl_spdif_priv *spdif_priv;  in fsl_spdif_probe()  local
1538 	spdif_priv = devm_kzalloc(&pdev->dev, sizeof(*spdif_priv), GFP_KERNEL);  in fsl_spdif_probe()
1539 	if (!spdif_priv)  in fsl_spdif_probe()
1542 	spdif_priv->pdev = pdev;  in fsl_spdif_probe()
1544 	spdif_priv->soc = of_device_get_match_data(&pdev->dev);  in fsl_spdif_probe()
1547 	memcpy(&spdif_priv->cpu_dai_drv, &fsl_spdif_dai, sizeof(fsl_spdif_dai));  in fsl_spdif_probe()
1548 	spdif_priv->cpu_dai_drv.name = dev_name(&pdev->dev);  in fsl_spdif_probe()
1549 	spdif_priv->cpu_dai_drv.playback.formats =  in fsl_spdif_probe()
1550 				spdif_priv->soc->tx_formats;  in fsl_spdif_probe()
1557 	spdif_priv->regmap = devm_regmap_init_mmio(&pdev->dev, regs, &fsl_spdif_regmap_config);  in fsl_spdif_probe()
1558 	if (IS_ERR(spdif_priv->regmap)) {  in fsl_spdif_probe()
1560 		return PTR_ERR(spdif_priv->regmap);  in fsl_spdif_probe()
1563 	for (i = 0; i < spdif_priv->soc->interrupts; i++) {  in fsl_spdif_probe()
1569 				       dev_name(&pdev->dev), spdif_priv);  in fsl_spdif_probe()
1578 		spdif_priv->txclk[i] = devm_clk_get(&pdev->dev, tmp);  in fsl_spdif_probe()
1579 		if (IS_ERR(spdif_priv->txclk[i])) {  in fsl_spdif_probe()
1581 			return PTR_ERR(spdif_priv->txclk[i]);  in fsl_spdif_probe()
1586 	spdif_priv->sysclk = spdif_priv->txclk[5];  in fsl_spdif_probe()
1587 	if (IS_ERR(spdif_priv->sysclk)) {  in fsl_spdif_probe()
1589 		return PTR_ERR(spdif_priv->sysclk);  in fsl_spdif_probe()
1593 	spdif_priv->coreclk = devm_clk_get(&pdev->dev, "core");  in fsl_spdif_probe()
1594 	if (IS_ERR(spdif_priv->coreclk)) {  in fsl_spdif_probe()
1596 		return PTR_ERR(spdif_priv->coreclk);  in fsl_spdif_probe()
1599 	spdif_priv->spbaclk = devm_clk_get(&pdev->dev, "spba");  in fsl_spdif_probe()
1600 	if (IS_ERR(spdif_priv->spbaclk))  in fsl_spdif_probe()
1604 	spdif_priv->rxclk = spdif_priv->txclk[1];  in fsl_spdif_probe()
1605 	if (IS_ERR(spdif_priv->rxclk)) {  in fsl_spdif_probe()
1607 		return PTR_ERR(spdif_priv->rxclk);  in fsl_spdif_probe()
1609 	spdif_priv->rxclk_src = DEFAULT_RXCLK_SRC;  in fsl_spdif_probe()
1611 	fsl_asoc_get_pll_clocks(&pdev->dev, &spdif_priv->pll8k_clk,  in fsl_spdif_probe()
1612 				&spdif_priv->pll11k_clk);  in fsl_spdif_probe()
1615 	ctrl = &spdif_priv->fsl_spdif_control;  in fsl_spdif_probe()
1626 	spdif_priv->dpll_locked = false;  in fsl_spdif_probe()
1628 	spdif_priv->dma_params_tx.maxburst = spdif_priv->soc->tx_burst;  in fsl_spdif_probe()
1629 	spdif_priv->dma_params_rx.maxburst = spdif_priv->soc->rx_burst;  in fsl_spdif_probe()
1630 	spdif_priv->dma_params_tx.addr = res->start + REG_SPDIF_STL;  in fsl_spdif_probe()
1631 	spdif_priv->dma_params_rx.addr = res->start + REG_SPDIF_SRL;  in fsl_spdif_probe()
1634 	dev_set_drvdata(&pdev->dev, spdif_priv);  in fsl_spdif_probe()
1636 	regcache_cache_only(spdif_priv->regmap, true);  in fsl_spdif_probe()
1649 					      &spdif_priv->cpu_dai_drv, 1);  in fsl_spdif_probe()
1672 	struct fsl_spdif_priv *spdif_priv = dev_get_drvdata(dev);  in fsl_spdif_runtime_suspend()  local
1676 	regmap_update_bits(spdif_priv->regmap, REG_SPDIF_SIE, 0xffffff, 0);  in fsl_spdif_runtime_suspend()
1678 	regmap_read(spdif_priv->regmap, REG_SPDIF_SRPC,  in fsl_spdif_runtime_suspend()
1679 			&spdif_priv->regcache_srpc);  in fsl_spdif_runtime_suspend()
1680 	regcache_cache_only(spdif_priv->regmap, true);  in fsl_spdif_runtime_suspend()
1683 		clk_disable_unprepare(spdif_priv->txclk[i]);  in fsl_spdif_runtime_suspend()
1685 	if (!IS_ERR(spdif_priv->spbaclk))  in fsl_spdif_runtime_suspend()
1686 		clk_disable_unprepare(spdif_priv->spbaclk);  in fsl_spdif_runtime_suspend()
1687 	clk_disable_unprepare(spdif_priv->coreclk);  in fsl_spdif_runtime_suspend()
1694 	struct fsl_spdif_priv *spdif_priv = dev_get_drvdata(dev);  in fsl_spdif_runtime_resume()  local
1698 	ret = clk_prepare_enable(spdif_priv->coreclk);  in fsl_spdif_runtime_resume()
1704 	if (!IS_ERR(spdif_priv->spbaclk)) {  in fsl_spdif_runtime_resume()
1705 		ret = clk_prepare_enable(spdif_priv->spbaclk);  in fsl_spdif_runtime_resume()
1713 		ret = clk_prepare_enable(spdif_priv->txclk[i]);  in fsl_spdif_runtime_resume()
1718 	regcache_cache_only(spdif_priv->regmap, false);  in fsl_spdif_runtime_resume()
1719 	regcache_mark_dirty(spdif_priv->regmap);  in fsl_spdif_runtime_resume()
1721 	regmap_update_bits(spdif_priv->regmap, REG_SPDIF_SRPC,  in fsl_spdif_runtime_resume()
1723 			spdif_priv->regcache_srpc);  in fsl_spdif_runtime_resume()
1725 	ret = regcache_sync(spdif_priv->regmap);  in fsl_spdif_runtime_resume()
1733 		clk_disable_unprepare(spdif_priv->txclk[i]);  in fsl_spdif_runtime_resume()
1734 	if (!IS_ERR(spdif_priv->spbaclk))  in fsl_spdif_runtime_resume()
1735 		clk_disable_unprepare(spdif_priv->spbaclk);  in fsl_spdif_runtime_resume()
1737 	clk_disable_unprepare(spdif_priv->coreclk);  in fsl_spdif_runtime_resume()