114 static void spdif_irq_dpll_lock(struct fsl_spdif_priv *spdif_priv)  in spdif_irq_dpll_lock()  argument
116 	struct regmap *regmap = spdif_priv->regmap;  in spdif_irq_dpll_lock()
117 	struct platform_device *pdev = spdif_priv->pdev;  in spdif_irq_dpll_lock()
126 	spdif_priv->dpll_locked = locked ? true : false;  in spdif_irq_dpll_lock()
130 static void spdif_irq_sym_error(struct fsl_spdif_priv *spdif_priv)  in spdif_irq_sym_error()  argument
132 	struct regmap *regmap = spdif_priv->regmap;  in spdif_irq_sym_error()
133 	struct platform_device *pdev = spdif_priv->pdev;  in spdif_irq_sym_error()
138 	if (!spdif_priv->dpll_locked)  in spdif_irq_sym_error()
143 static void spdif_irq_uqrx_full(struct fsl_spdif_priv *spdif_priv, char name)  in spdif_irq_uqrx_full()  argument
145 	struct spdif_mixer_control *ctrl = &spdif_priv->fsl_spdif_control;  in spdif_irq_uqrx_full()
146 	struct regmap *regmap = spdif_priv->regmap;  in spdif_irq_uqrx_full()
147 	struct platform_device *pdev = spdif_priv->pdev;  in spdif_irq_uqrx_full()
182 static void spdif_irq_uq_sync(struct fsl_spdif_priv *spdif_priv)  in spdif_irq_uq_sync()  argument
184 	struct spdif_mixer_control *ctrl = &spdif_priv->fsl_spdif_control;  in spdif_irq_uq_sync()
185 	struct platform_device *pdev = spdif_priv->pdev;  in spdif_irq_uq_sync()
198 static void spdif_irq_uq_err(struct fsl_spdif_priv *spdif_priv)  in spdif_irq_uq_err()  argument
200 	struct spdif_mixer_control *ctrl = &spdif_priv->fsl_spdif_control;  in spdif_irq_uq_err()
201 	struct regmap *regmap = spdif_priv->regmap;  in spdif_irq_uq_err()
202 	struct platform_device *pdev = spdif_priv->pdev;  in spdif_irq_uq_err()
218 static u32 spdif_intr_status_clear(struct fsl_spdif_priv *spdif_priv)  in spdif_intr_status_clear()  argument
220 	struct regmap *regmap = spdif_priv->regmap;  in spdif_intr_status_clear()
233 	struct fsl_spdif_priv *spdif_priv = (struct fsl_spdif_priv *)devid;  in spdif_isr()  local
234 	struct platform_device *pdev = spdif_priv->pdev;  in spdif_isr()
237 	sis = spdif_intr_status_clear(spdif_priv);  in spdif_isr()
240 		spdif_irq_dpll_lock(spdif_priv);  in spdif_isr()
255 		spdif_irq_sym_error(spdif_priv);  in spdif_isr()
261 		spdif_irq_uqrx_full(spdif_priv, 'U');  in spdif_isr()
267 		spdif_irq_uqrx_full(spdif_priv, 'Q');  in spdif_isr()
273 		spdif_irq_uq_sync(spdif_priv);  in spdif_isr()
276 		spdif_irq_uq_err(spdif_priv);  in spdif_isr()
285 		spdif_irq_dpll_lock(spdif_priv);  in spdif_isr()
298 static int spdif_softreset(struct fsl_spdif_priv *spdif_priv)  in spdif_softreset()  argument
300 	struct regmap *regmap = spdif_priv->regmap;  in spdif_softreset()
332 static void spdif_write_channel_status(struct fsl_spdif_priv *spdif_priv)  in spdif_write_channel_status()  argument
334 	struct spdif_mixer_control *ctrl = &spdif_priv->fsl_spdif_control;  in spdif_write_channel_status()
335 	struct regmap *regmap = spdif_priv->regmap;  in spdif_write_channel_status()
336 	struct platform_device *pdev = spdif_priv->pdev;  in spdif_write_channel_status()
353 static int spdif_set_rx_clksrc(struct fsl_spdif_priv *spdif_priv,  in spdif_set_rx_clksrc()  argument
356 	struct regmap *regmap = spdif_priv->regmap;  in spdif_set_rx_clksrc()
357 	u8 clksrc = spdif_priv->rxclk_src;  in spdif_set_rx_clksrc()
373 	struct fsl_spdif_priv *spdif_priv = snd_soc_dai_get_drvdata(rtd->cpu_dai);  in spdif_set_sample_rate()  local
374 	struct spdif_mixer_control *ctrl = &spdif_priv->fsl_spdif_control;  in spdif_set_sample_rate()
375 	struct regmap *regmap = spdif_priv->regmap;  in spdif_set_sample_rate()
376 	struct platform_device *pdev = spdif_priv->pdev;  in spdif_set_sample_rate()
409 	clk = spdif_priv->txclk_src[rate];  in spdif_set_sample_rate()
415 	txclk_df = spdif_priv->txclk_df[rate];  in spdif_set_sample_rate()
421 	sysclk_df = spdif_priv->sysclk_df[rate];  in spdif_set_sample_rate()
428 	ret = clk_set_rate(spdif_priv->txclk[rate],  in spdif_set_sample_rate()
439 			clk_get_rate(spdif_priv->txclk[rate]));  in spdif_set_sample_rate()
452 			spdif_priv->txrate[rate], sample_rate);  in spdif_set_sample_rate()
461 	struct fsl_spdif_priv *spdif_priv = snd_soc_dai_get_drvdata(rtd->cpu_dai);  in fsl_spdif_startup()  local
462 	struct platform_device *pdev = spdif_priv->pdev;  in fsl_spdif_startup()
463 	struct regmap *regmap = spdif_priv->regmap;  in fsl_spdif_startup()
470 		ret = clk_prepare_enable(spdif_priv->coreclk);  in fsl_spdif_startup()
476 		if (!IS_ERR(spdif_priv->spbaclk)) {  in fsl_spdif_startup()
477 			ret = clk_prepare_enable(spdif_priv->spbaclk);  in fsl_spdif_startup()
484 		ret = spdif_softreset(spdif_priv);  in fsl_spdif_startup()
502 			ret = clk_prepare_enable(spdif_priv->txclk[i]);  in fsl_spdif_startup()
510 		ret = clk_prepare_enable(spdif_priv->rxclk);  in fsl_spdif_startup()
523 		clk_disable_unprepare(spdif_priv->txclk[i]);  in fsl_spdif_startup()
525 	if (!IS_ERR(spdif_priv->spbaclk))  in fsl_spdif_startup()
526 		clk_disable_unprepare(spdif_priv->spbaclk);  in fsl_spdif_startup()
528 	clk_disable_unprepare(spdif_priv->coreclk);  in fsl_spdif_startup()
537 	struct fsl_spdif_priv *spdif_priv = snd_soc_dai_get_drvdata(rtd->cpu_dai);  in fsl_spdif_shutdown()  local
538 	struct regmap *regmap = spdif_priv->regmap;  in fsl_spdif_shutdown()
547 			clk_disable_unprepare(spdif_priv->txclk[i]);  in fsl_spdif_shutdown()
552 		clk_disable_unprepare(spdif_priv->rxclk);  in fsl_spdif_shutdown()
558 		spdif_intr_status_clear(spdif_priv);  in fsl_spdif_shutdown()
561 		if (!IS_ERR(spdif_priv->spbaclk))  in fsl_spdif_shutdown()
562 			clk_disable_unprepare(spdif_priv->spbaclk);  in fsl_spdif_shutdown()
563 		clk_disable_unprepare(spdif_priv->coreclk);  in fsl_spdif_shutdown()
572 	struct fsl_spdif_priv *spdif_priv = snd_soc_dai_get_drvdata(rtd->cpu_dai);  in fsl_spdif_hw_params()  local
573 	struct spdif_mixer_control *ctrl = &spdif_priv->fsl_spdif_control;  in fsl_spdif_hw_params()
574 	struct platform_device *pdev = spdif_priv->pdev;  in fsl_spdif_hw_params()
587 		spdif_write_channel_status(spdif_priv);  in fsl_spdif_hw_params()
590 		ret = spdif_set_rx_clksrc(spdif_priv, SPDIF_DEFAULT_GAINSEL, 1);  in fsl_spdif_hw_params()
600 	struct fsl_spdif_priv *spdif_priv = snd_soc_dai_get_drvdata(rtd->cpu_dai);  in fsl_spdif_trigger()  local
601 	struct regmap *regmap = spdif_priv->regmap;  in fsl_spdif_trigger()
657 	struct fsl_spdif_priv *spdif_priv = snd_soc_dai_get_drvdata(cpu_dai);  in fsl_spdif_pb_get()  local
658 	struct spdif_mixer_control *ctrl = &spdif_priv->fsl_spdif_control;  in fsl_spdif_pb_get()
672 	struct fsl_spdif_priv *spdif_priv = snd_soc_dai_get_drvdata(cpu_dai);  in fsl_spdif_pb_put()  local
673 	struct spdif_mixer_control *ctrl = &spdif_priv->fsl_spdif_control;  in fsl_spdif_pb_put()
680 	spdif_write_channel_status(spdif_priv);  in fsl_spdif_pb_put()
690 	struct fsl_spdif_priv *spdif_priv = snd_soc_dai_get_drvdata(cpu_dai);  in fsl_spdif_capture_get()  local
691 	struct regmap *regmap = spdif_priv->regmap;  in fsl_spdif_capture_get()
722 	struct fsl_spdif_priv *spdif_priv = snd_soc_dai_get_drvdata(cpu_dai);  in fsl_spdif_subcode_get()  local
723 	struct spdif_mixer_control *ctrl = &spdif_priv->fsl_spdif_control;  in fsl_spdif_subcode_get()
754 	struct fsl_spdif_priv *spdif_priv = snd_soc_dai_get_drvdata(cpu_dai);  in fsl_spdif_qget()  local
755 	struct spdif_mixer_control *ctrl = &spdif_priv->fsl_spdif_control;  in fsl_spdif_qget()
788 	struct fsl_spdif_priv *spdif_priv = snd_soc_dai_get_drvdata(cpu_dai);  in fsl_spdif_vbit_get()  local
789 	struct regmap *regmap = spdif_priv->regmap;  in fsl_spdif_vbit_get()
816 static int spdif_get_rxclk_rate(struct fsl_spdif_priv *spdif_priv,  in spdif_get_rxclk_rate()  argument
819 	struct regmap *regmap = spdif_priv->regmap;  in spdif_get_rxclk_rate()
820 	struct platform_device *pdev = spdif_priv->pdev;  in spdif_get_rxclk_rate()
832 		busclk_freq = clk_get_rate(spdif_priv->sysclk);  in spdif_get_rxclk_rate()
855 	struct fsl_spdif_priv *spdif_priv = snd_soc_dai_get_drvdata(cpu_dai);  in fsl_spdif_rxrate_get()  local
858 	if (spdif_priv->dpll_locked)  in fsl_spdif_rxrate_get()
859 		rate = spdif_get_rxclk_rate(spdif_priv, SPDIF_DEFAULT_GAINSEL);  in fsl_spdif_rxrate_get()
887 	struct fsl_spdif_priv *spdif_priv = snd_soc_dai_get_drvdata(cpu_dai);  in fsl_spdif_usync_get()  local
888 	struct regmap *regmap = spdif_priv->regmap;  in fsl_spdif_usync_get()
906 	struct fsl_spdif_priv *spdif_priv = snd_soc_dai_get_drvdata(cpu_dai);  in fsl_spdif_usync_put()  local
907 	struct regmap *regmap = spdif_priv->regmap;  in fsl_spdif_usync_put()
1106 static u32 fsl_spdif_txclk_caldiv(struct fsl_spdif_priv *spdif_priv,  in fsl_spdif_txclk_caldiv()  argument
1111 	bool is_sysclk = clk_is_match(clk, spdif_priv->sysclk);  in fsl_spdif_txclk_caldiv()
1135 				spdif_priv->txclk_df[index] = txclk_df;  in fsl_spdif_txclk_caldiv()
1136 				spdif_priv->sysclk_df[index] = sysclk_df;  in fsl_spdif_txclk_caldiv()
1137 				spdif_priv->txrate[index] = arate;  in fsl_spdif_txclk_caldiv()
1146 				spdif_priv->txclk_df[index] = txclk_df;  in fsl_spdif_txclk_caldiv()
1147 				spdif_priv->sysclk_df[index] = sysclk_df;  in fsl_spdif_txclk_caldiv()
1148 				spdif_priv->txrate[index] = arate;  in fsl_spdif_txclk_caldiv()
1156 				spdif_priv->txclk_df[index] = txclk_df;  in fsl_spdif_txclk_caldiv()
1157 				spdif_priv->sysclk_df[index] = sysclk_df;  in fsl_spdif_txclk_caldiv()
1158 				spdif_priv->txrate[index] = arate;  in fsl_spdif_txclk_caldiv()
1167 static int fsl_spdif_probe_txclk(struct fsl_spdif_priv *spdif_priv,  in fsl_spdif_probe_txclk()  argument
1171 	struct platform_device *pdev = spdif_priv->pdev;  in fsl_spdif_probe_txclk()
1188 		ret = fsl_spdif_txclk_caldiv(spdif_priv, clk, savesub, index,  in fsl_spdif_probe_txclk()
1194 		spdif_priv->txclk[index] = clk;  in fsl_spdif_probe_txclk()
1195 		spdif_priv->txclk_src[index] = i;  in fsl_spdif_probe_txclk()
1203 			spdif_priv->txclk_src[index], rate[index]);  in fsl_spdif_probe_txclk()
1205 			spdif_priv->txclk_df[index], rate[index]);  in fsl_spdif_probe_txclk()
1206 	if (clk_is_match(spdif_priv->txclk[index], spdif_priv->sysclk))  in fsl_spdif_probe_txclk()
1208 				spdif_priv->sysclk_df[index], rate[index]);  in fsl_spdif_probe_txclk()
1210 			rate[index], spdif_priv->txrate[index]);  in fsl_spdif_probe_txclk()
1218 	struct fsl_spdif_priv *spdif_priv;  in fsl_spdif_probe()  local
1227 	spdif_priv = devm_kzalloc(&pdev->dev, sizeof(*spdif_priv), GFP_KERNEL);  in fsl_spdif_probe()
1228 	if (!spdif_priv)  in fsl_spdif_probe()
1231 	spdif_priv->pdev = pdev;  in fsl_spdif_probe()
1234 	memcpy(&spdif_priv->cpu_dai_drv, &fsl_spdif_dai, sizeof(fsl_spdif_dai));  in fsl_spdif_probe()
1235 	spdif_priv->cpu_dai_drv.name = dev_name(&pdev->dev);  in fsl_spdif_probe()
1243 	spdif_priv->regmap = devm_regmap_init_mmio_clk(&pdev->dev,  in fsl_spdif_probe()
1245 	if (IS_ERR(spdif_priv->regmap)) {  in fsl_spdif_probe()
1247 		return PTR_ERR(spdif_priv->regmap);  in fsl_spdif_probe()
1255 			       dev_name(&pdev->dev), spdif_priv);  in fsl_spdif_probe()
1262 	spdif_priv->sysclk = devm_clk_get(&pdev->dev, "rxtx5");  in fsl_spdif_probe()
1263 	if (IS_ERR(spdif_priv->sysclk)) {  in fsl_spdif_probe()
1265 		return PTR_ERR(spdif_priv->sysclk);  in fsl_spdif_probe()
1269 	spdif_priv->coreclk = devm_clk_get(&pdev->dev, "core");  in fsl_spdif_probe()
1270 	if (IS_ERR(spdif_priv->coreclk)) {  in fsl_spdif_probe()
1272 		return PTR_ERR(spdif_priv->coreclk);  in fsl_spdif_probe()
1275 	spdif_priv->spbaclk = devm_clk_get(&pdev->dev, "spba");  in fsl_spdif_probe()
1276 	if (IS_ERR(spdif_priv->spbaclk))  in fsl_spdif_probe()
1280 	spdif_priv->rxclk = devm_clk_get(&pdev->dev, "rxtx1");  in fsl_spdif_probe()
1281 	if (IS_ERR(spdif_priv->rxclk)) {  in fsl_spdif_probe()
1283 		return PTR_ERR(spdif_priv->rxclk);  in fsl_spdif_probe()
1285 	spdif_priv->rxclk_src = DEFAULT_RXCLK_SRC;  in fsl_spdif_probe()
1288 		ret = fsl_spdif_probe_txclk(spdif_priv, i);  in fsl_spdif_probe()
1294 	ctrl = &spdif_priv->fsl_spdif_control;  in fsl_spdif_probe()
1305 	spdif_priv->dpll_locked = false;  in fsl_spdif_probe()
1307 	spdif_priv->dma_params_tx.maxburst = FSL_SPDIF_TXFIFO_WML;  in fsl_spdif_probe()
1308 	spdif_priv->dma_params_rx.maxburst = FSL_SPDIF_RXFIFO_WML;  in fsl_spdif_probe()
1309 	spdif_priv->dma_params_tx.addr = res->start + REG_SPDIF_STL;  in fsl_spdif_probe()
1310 	spdif_priv->dma_params_rx.addr = res->start + REG_SPDIF_SRL;  in fsl_spdif_probe()
1313 	dev_set_drvdata(&pdev->dev, spdif_priv);  in fsl_spdif_probe()
1316 					      &spdif_priv->cpu_dai_drv, 1);  in fsl_spdif_probe()
1332 	struct fsl_spdif_priv *spdif_priv = dev_get_drvdata(dev);  in fsl_spdif_suspend()  local
1334 	regmap_read(spdif_priv->regmap, REG_SPDIF_SRPC,  in fsl_spdif_suspend()
1335 			&spdif_priv->regcache_srpc);  in fsl_spdif_suspend()
1337 	regcache_cache_only(spdif_priv->regmap, true);  in fsl_spdif_suspend()
1338 	regcache_mark_dirty(spdif_priv->regmap);  in fsl_spdif_suspend()
1345 	struct fsl_spdif_priv *spdif_priv = dev_get_drvdata(dev);  in fsl_spdif_resume()  local
1347 	regcache_cache_only(spdif_priv->regmap, false);  in fsl_spdif_resume()
1349 	regmap_update_bits(spdif_priv->regmap, REG_SPDIF_SRPC,  in fsl_spdif_resume()
1351 			spdif_priv->regcache_srpc);  in fsl_spdif_resume()
1353 	return regcache_sync(spdif_priv->regmap);  in fsl_spdif_resume()