116 static void spdif_irq_dpll_lock(struct fsl_spdif_priv *spdif_priv)  in spdif_irq_dpll_lock()  argument
118 	struct regmap *regmap = spdif_priv->regmap;  in spdif_irq_dpll_lock()
119 	struct platform_device *pdev = spdif_priv->pdev;  in spdif_irq_dpll_lock()
128 	spdif_priv->dpll_locked = locked ? true : false;  in spdif_irq_dpll_lock()
132 static void spdif_irq_sym_error(struct fsl_spdif_priv *spdif_priv)  in spdif_irq_sym_error()  argument
134 	struct regmap *regmap = spdif_priv->regmap;  in spdif_irq_sym_error()
135 	struct platform_device *pdev = spdif_priv->pdev;  in spdif_irq_sym_error()
140 	if (!spdif_priv->dpll_locked)  in spdif_irq_sym_error()
145 static void spdif_irq_uqrx_full(struct fsl_spdif_priv *spdif_priv, char name)  in spdif_irq_uqrx_full()  argument
147 	struct spdif_mixer_control *ctrl = &spdif_priv->fsl_spdif_control;  in spdif_irq_uqrx_full()
148 	struct regmap *regmap = spdif_priv->regmap;  in spdif_irq_uqrx_full()
149 	struct platform_device *pdev = spdif_priv->pdev;  in spdif_irq_uqrx_full()
184 static void spdif_irq_uq_sync(struct fsl_spdif_priv *spdif_priv)  in spdif_irq_uq_sync()  argument
186 	struct spdif_mixer_control *ctrl = &spdif_priv->fsl_spdif_control;  in spdif_irq_uq_sync()
187 	struct platform_device *pdev = spdif_priv->pdev;  in spdif_irq_uq_sync()
200 static void spdif_irq_uq_err(struct fsl_spdif_priv *spdif_priv)  in spdif_irq_uq_err()  argument
202 	struct spdif_mixer_control *ctrl = &spdif_priv->fsl_spdif_control;  in spdif_irq_uq_err()
203 	struct regmap *regmap = spdif_priv->regmap;  in spdif_irq_uq_err()
204 	struct platform_device *pdev = spdif_priv->pdev;  in spdif_irq_uq_err()
220 static u32 spdif_intr_status_clear(struct fsl_spdif_priv *spdif_priv)  in spdif_intr_status_clear()  argument
222 	struct regmap *regmap = spdif_priv->regmap;  in spdif_intr_status_clear()
235 	struct fsl_spdif_priv *spdif_priv = (struct fsl_spdif_priv *)devid;  in spdif_isr()  local
236 	struct platform_device *pdev = spdif_priv->pdev;  in spdif_isr()
239 	sis = spdif_intr_status_clear(spdif_priv);  in spdif_isr()
242 		spdif_irq_dpll_lock(spdif_priv);  in spdif_isr()
257 		spdif_irq_sym_error(spdif_priv);  in spdif_isr()
263 		spdif_irq_uqrx_full(spdif_priv, 'U');  in spdif_isr()
269 		spdif_irq_uqrx_full(spdif_priv, 'Q');  in spdif_isr()
275 		spdif_irq_uq_sync(spdif_priv);  in spdif_isr()
278 		spdif_irq_uq_err(spdif_priv);  in spdif_isr()
287 		spdif_irq_dpll_lock(spdif_priv);  in spdif_isr()
300 static int spdif_softreset(struct fsl_spdif_priv *spdif_priv)  in spdif_softreset()  argument
302 	struct regmap *regmap = spdif_priv->regmap;  in spdif_softreset()
334 static void spdif_write_channel_status(struct fsl_spdif_priv *spdif_priv)  in spdif_write_channel_status()  argument
336 	struct spdif_mixer_control *ctrl = &spdif_priv->fsl_spdif_control;  in spdif_write_channel_status()
337 	struct regmap *regmap = spdif_priv->regmap;  in spdif_write_channel_status()
338 	struct platform_device *pdev = spdif_priv->pdev;  in spdif_write_channel_status()
355 static int spdif_set_rx_clksrc(struct fsl_spdif_priv *spdif_priv,  in spdif_set_rx_clksrc()  argument
358 	struct regmap *regmap = spdif_priv->regmap;  in spdif_set_rx_clksrc()
359 	u8 clksrc = spdif_priv->rxclk_src;  in spdif_set_rx_clksrc()
375 	struct fsl_spdif_priv *spdif_priv = snd_soc_dai_get_drvdata(rtd->cpu_dai);  in spdif_set_sample_rate()  local
376 	struct spdif_mixer_control *ctrl = &spdif_priv->fsl_spdif_control;  in spdif_set_sample_rate()
377 	struct regmap *regmap = spdif_priv->regmap;  in spdif_set_sample_rate()
378 	struct platform_device *pdev = spdif_priv->pdev;  in spdif_set_sample_rate()
410 	clk = spdif_priv->txclk_src[rate];  in spdif_set_sample_rate()
416 	txclk_df = spdif_priv->txclk_df[rate];  in spdif_set_sample_rate()
422 	sysclk_df = spdif_priv->sysclk_df[rate];  in spdif_set_sample_rate()
429 	ret = clk_set_rate(spdif_priv->txclk[rate],  in spdif_set_sample_rate()
440 			clk_get_rate(spdif_priv->txclk[rate]));  in spdif_set_sample_rate()
453 			spdif_priv->txrate[rate], sample_rate);  in spdif_set_sample_rate()
462 	struct fsl_spdif_priv *spdif_priv = snd_soc_dai_get_drvdata(rtd->cpu_dai);  in fsl_spdif_startup()  local
463 	struct platform_device *pdev = spdif_priv->pdev;  in fsl_spdif_startup()
464 	struct regmap *regmap = spdif_priv->regmap;  in fsl_spdif_startup()
471 		ret = clk_prepare_enable(spdif_priv->coreclk);  in fsl_spdif_startup()
477 		ret = spdif_softreset(spdif_priv);  in fsl_spdif_startup()
495 			ret = clk_prepare_enable(spdif_priv->txclk[i]);  in fsl_spdif_startup()
503 		ret = clk_prepare_enable(spdif_priv->rxclk);  in fsl_spdif_startup()
516 		clk_disable_unprepare(spdif_priv->txclk[i]);  in fsl_spdif_startup()
518 	clk_disable_unprepare(spdif_priv->coreclk);  in fsl_spdif_startup()
527 	struct fsl_spdif_priv *spdif_priv = snd_soc_dai_get_drvdata(rtd->cpu_dai);  in fsl_spdif_shutdown()  local
528 	struct regmap *regmap = spdif_priv->regmap;  in fsl_spdif_shutdown()
537 			clk_disable_unprepare(spdif_priv->txclk[i]);  in fsl_spdif_shutdown()
542 		clk_disable_unprepare(spdif_priv->rxclk);  in fsl_spdif_shutdown()
548 		spdif_intr_status_clear(spdif_priv);  in fsl_spdif_shutdown()
551 		clk_disable_unprepare(spdif_priv->coreclk);  in fsl_spdif_shutdown()
560 	struct fsl_spdif_priv *spdif_priv = snd_soc_dai_get_drvdata(rtd->cpu_dai);  in fsl_spdif_hw_params()  local
561 	struct spdif_mixer_control *ctrl = &spdif_priv->fsl_spdif_control;  in fsl_spdif_hw_params()
562 	struct platform_device *pdev = spdif_priv->pdev;  in fsl_spdif_hw_params()
575 		spdif_write_channel_status(spdif_priv);  in fsl_spdif_hw_params()
578 		ret = spdif_set_rx_clksrc(spdif_priv, SPDIF_DEFAULT_GAINSEL, 1);  in fsl_spdif_hw_params()
588 	struct fsl_spdif_priv *spdif_priv = snd_soc_dai_get_drvdata(rtd->cpu_dai);  in fsl_spdif_trigger()  local
589 	struct regmap *regmap = spdif_priv->regmap;  in fsl_spdif_trigger()
645 	struct fsl_spdif_priv *spdif_priv = snd_soc_dai_get_drvdata(cpu_dai);  in fsl_spdif_pb_get()  local
646 	struct spdif_mixer_control *ctrl = &spdif_priv->fsl_spdif_control;  in fsl_spdif_pb_get()
660 	struct fsl_spdif_priv *spdif_priv = snd_soc_dai_get_drvdata(cpu_dai);  in fsl_spdif_pb_put()  local
661 	struct spdif_mixer_control *ctrl = &spdif_priv->fsl_spdif_control;  in fsl_spdif_pb_put()
668 	spdif_write_channel_status(spdif_priv);  in fsl_spdif_pb_put()
678 	struct fsl_spdif_priv *spdif_priv = snd_soc_dai_get_drvdata(cpu_dai);  in fsl_spdif_capture_get()  local
679 	struct regmap *regmap = spdif_priv->regmap;  in fsl_spdif_capture_get()
710 	struct fsl_spdif_priv *spdif_priv = snd_soc_dai_get_drvdata(cpu_dai);  in fsl_spdif_subcode_get()  local
711 	struct spdif_mixer_control *ctrl = &spdif_priv->fsl_spdif_control;  in fsl_spdif_subcode_get()
742 	struct fsl_spdif_priv *spdif_priv = snd_soc_dai_get_drvdata(cpu_dai);  in fsl_spdif_qget()  local
743 	struct spdif_mixer_control *ctrl = &spdif_priv->fsl_spdif_control;  in fsl_spdif_qget()
776 	struct fsl_spdif_priv *spdif_priv = snd_soc_dai_get_drvdata(cpu_dai);  in fsl_spdif_vbit_get()  local
777 	struct regmap *regmap = spdif_priv->regmap;  in fsl_spdif_vbit_get()
804 static int spdif_get_rxclk_rate(struct fsl_spdif_priv *spdif_priv,  in spdif_get_rxclk_rate()  argument
807 	struct regmap *regmap = spdif_priv->regmap;  in spdif_get_rxclk_rate()
808 	struct platform_device *pdev = spdif_priv->pdev;  in spdif_get_rxclk_rate()
820 		busclk_freq = clk_get_rate(spdif_priv->sysclk);  in spdif_get_rxclk_rate()
843 	struct fsl_spdif_priv *spdif_priv = snd_soc_dai_get_drvdata(cpu_dai);  in fsl_spdif_rxrate_get()  local
846 	if (spdif_priv->dpll_locked)  in fsl_spdif_rxrate_get()
847 		rate = spdif_get_rxclk_rate(spdif_priv, SPDIF_DEFAULT_GAINSEL);  in fsl_spdif_rxrate_get()
875 	struct fsl_spdif_priv *spdif_priv = snd_soc_dai_get_drvdata(cpu_dai);  in fsl_spdif_usync_get()  local
876 	struct regmap *regmap = spdif_priv->regmap;  in fsl_spdif_usync_get()
894 	struct fsl_spdif_priv *spdif_priv = snd_soc_dai_get_drvdata(cpu_dai);  in fsl_spdif_usync_put()  local
895 	struct regmap *regmap = spdif_priv->regmap;  in fsl_spdif_usync_put()
1094 static u32 fsl_spdif_txclk_caldiv(struct fsl_spdif_priv *spdif_priv,  in fsl_spdif_txclk_caldiv()  argument
1099 	bool is_sysclk = clk_is_match(clk, spdif_priv->sysclk);  in fsl_spdif_txclk_caldiv()
1122 				spdif_priv->txclk_df[index] = txclk_df;  in fsl_spdif_txclk_caldiv()
1123 				spdif_priv->sysclk_df[index] = sysclk_df;  in fsl_spdif_txclk_caldiv()
1124 				spdif_priv->txrate[index] = arate;  in fsl_spdif_txclk_caldiv()
1133 				spdif_priv->txclk_df[index] = txclk_df;  in fsl_spdif_txclk_caldiv()
1134 				spdif_priv->sysclk_df[index] = sysclk_df;  in fsl_spdif_txclk_caldiv()
1135 				spdif_priv->txrate[index] = arate;  in fsl_spdif_txclk_caldiv()
1143 				spdif_priv->txclk_df[index] = txclk_df;  in fsl_spdif_txclk_caldiv()
1144 				spdif_priv->sysclk_df[index] = sysclk_df;  in fsl_spdif_txclk_caldiv()
1145 				spdif_priv->txrate[index] = arate;  in fsl_spdif_txclk_caldiv()
1154 static int fsl_spdif_probe_txclk(struct fsl_spdif_priv *spdif_priv,  in fsl_spdif_probe_txclk()  argument
1158 	struct platform_device *pdev = spdif_priv->pdev;  in fsl_spdif_probe_txclk()
1175 		ret = fsl_spdif_txclk_caldiv(spdif_priv, clk, savesub, index,  in fsl_spdif_probe_txclk()
1181 		spdif_priv->txclk[index] = clk;  in fsl_spdif_probe_txclk()
1182 		spdif_priv->txclk_src[index] = i;  in fsl_spdif_probe_txclk()
1190 			spdif_priv->txclk_src[index], rate[index]);  in fsl_spdif_probe_txclk()
1192 			spdif_priv->txclk_df[index], rate[index]);  in fsl_spdif_probe_txclk()
1193 	if (clk_is_match(spdif_priv->txclk[index], spdif_priv->sysclk))  in fsl_spdif_probe_txclk()
1195 				spdif_priv->sysclk_df[index], rate[index]);  in fsl_spdif_probe_txclk()
1197 			rate[index], spdif_priv->txrate[index]);  in fsl_spdif_probe_txclk()
1205 	struct fsl_spdif_priv *spdif_priv;  in fsl_spdif_probe()  local
1214 	spdif_priv = devm_kzalloc(&pdev->dev, sizeof(*spdif_priv), GFP_KERNEL);  in fsl_spdif_probe()
1215 	if (!spdif_priv)  in fsl_spdif_probe()
1218 	spdif_priv->pdev = pdev;  in fsl_spdif_probe()
1221 	memcpy(&spdif_priv->cpu_dai_drv, &fsl_spdif_dai, sizeof(fsl_spdif_dai));  in fsl_spdif_probe()
1222 	spdif_priv->cpu_dai_drv.name = dev_name(&pdev->dev);  in fsl_spdif_probe()
1230 	spdif_priv->regmap = devm_regmap_init_mmio_clk(&pdev->dev,  in fsl_spdif_probe()
1232 	if (IS_ERR(spdif_priv->regmap)) {  in fsl_spdif_probe()
1234 		return PTR_ERR(spdif_priv->regmap);  in fsl_spdif_probe()
1244 			       dev_name(&pdev->dev), spdif_priv);  in fsl_spdif_probe()
1251 	spdif_priv->sysclk = devm_clk_get(&pdev->dev, "rxtx5");  in fsl_spdif_probe()
1252 	if (IS_ERR(spdif_priv->sysclk)) {  in fsl_spdif_probe()
1254 		return PTR_ERR(spdif_priv->sysclk);  in fsl_spdif_probe()
1258 	spdif_priv->coreclk = devm_clk_get(&pdev->dev, "core");  in fsl_spdif_probe()
1259 	if (IS_ERR(spdif_priv->coreclk)) {  in fsl_spdif_probe()
1261 		return PTR_ERR(spdif_priv->coreclk);  in fsl_spdif_probe()
1265 	spdif_priv->rxclk = devm_clk_get(&pdev->dev, "rxtx1");  in fsl_spdif_probe()
1266 	if (IS_ERR(spdif_priv->rxclk)) {  in fsl_spdif_probe()
1268 		return PTR_ERR(spdif_priv->rxclk);  in fsl_spdif_probe()
1270 	spdif_priv->rxclk_src = DEFAULT_RXCLK_SRC;  in fsl_spdif_probe()
1273 		ret = fsl_spdif_probe_txclk(spdif_priv, i);  in fsl_spdif_probe()
1279 	ctrl = &spdif_priv->fsl_spdif_control;  in fsl_spdif_probe()
1290 	spdif_priv->dpll_locked = false;  in fsl_spdif_probe()
1292 	spdif_priv->dma_params_tx.maxburst = FSL_SPDIF_TXFIFO_WML;  in fsl_spdif_probe()
1293 	spdif_priv->dma_params_rx.maxburst = FSL_SPDIF_RXFIFO_WML;  in fsl_spdif_probe()
1294 	spdif_priv->dma_params_tx.addr = res->start + REG_SPDIF_STL;  in fsl_spdif_probe()
1295 	spdif_priv->dma_params_rx.addr = res->start + REG_SPDIF_SRL;  in fsl_spdif_probe()
1298 	dev_set_drvdata(&pdev->dev, spdif_priv);  in fsl_spdif_probe()
1301 					      &spdif_priv->cpu_dai_drv, 1);  in fsl_spdif_probe()
1317 	struct fsl_spdif_priv *spdif_priv = dev_get_drvdata(dev);  in fsl_spdif_suspend()  local
1319 	regmap_read(spdif_priv->regmap, REG_SPDIF_SRPC,  in fsl_spdif_suspend()
1320 			&spdif_priv->regcache_srpc);  in fsl_spdif_suspend()
1322 	regcache_cache_only(spdif_priv->regmap, true);  in fsl_spdif_suspend()
1323 	regcache_mark_dirty(spdif_priv->regmap);  in fsl_spdif_suspend()
1330 	struct fsl_spdif_priv *spdif_priv = dev_get_drvdata(dev);  in fsl_spdif_resume()  local
1332 	regcache_cache_only(spdif_priv->regmap, false);  in fsl_spdif_resume()
1334 	regmap_update_bits(spdif_priv->regmap, REG_SPDIF_SRPC,  in fsl_spdif_resume()
1336 			spdif_priv->regcache_srpc);  in fsl_spdif_resume()
1338 	return regcache_sync(spdif_priv->regmap);  in fsl_spdif_resume()