154 static void s3c_pcm_snd_txctrl(struct s3c_pcm_info *pcm, int on)  in s3c_pcm_snd_txctrl()  argument
156 	void __iomem *regs = pcm->regs;  in s3c_pcm_snd_txctrl()
176 			if (!pcm->idleclk)  in s3c_pcm_snd_txctrl()
185 static void s3c_pcm_snd_rxctrl(struct s3c_pcm_info *pcm, int on)  in s3c_pcm_snd_rxctrl()  argument
187 	void __iomem *regs = pcm->regs;  in s3c_pcm_snd_rxctrl()
207 			if (!pcm->idleclk)  in s3c_pcm_snd_rxctrl()
220 	struct s3c_pcm_info *pcm = snd_soc_dai_get_drvdata(rtd->cpu_dai);  in s3c_pcm_trigger()  local
223 	dev_dbg(pcm->dev, "Entered %s\n", __func__);  in s3c_pcm_trigger()
229 		spin_lock_irqsave(&pcm->lock, flags);  in s3c_pcm_trigger()
232 			s3c_pcm_snd_rxctrl(pcm, 1);  in s3c_pcm_trigger()
234 			s3c_pcm_snd_txctrl(pcm, 1);  in s3c_pcm_trigger()
236 		spin_unlock_irqrestore(&pcm->lock, flags);  in s3c_pcm_trigger()
242 		spin_lock_irqsave(&pcm->lock, flags);  in s3c_pcm_trigger()
245 			s3c_pcm_snd_rxctrl(pcm, 0);  in s3c_pcm_trigger()
247 			s3c_pcm_snd_txctrl(pcm, 0);  in s3c_pcm_trigger()
249 		spin_unlock_irqrestore(&pcm->lock, flags);  in s3c_pcm_trigger()
264 	struct s3c_pcm_info *pcm = snd_soc_dai_get_drvdata(rtd->cpu_dai);  in s3c_pcm_hw_params()  local
265 	void __iomem *regs = pcm->regs;  in s3c_pcm_hw_params()
271 	dev_dbg(pcm->dev, "Entered %s\n", __func__);  in s3c_pcm_hw_params()
281 	spin_lock_irqsave(&pcm->lock, flags);  in s3c_pcm_hw_params()
286 		clk = pcm->pclk;  in s3c_pcm_hw_params()
288 		clk = pcm->cclk;  in s3c_pcm_hw_params()
291 	sclk_div = clk_get_rate(clk) / pcm->sclk_per_fs /  in s3c_pcm_hw_params()
300 	sync_div = pcm->sclk_per_fs - 1;  in s3c_pcm_hw_params()
309 	spin_unlock_irqrestore(&pcm->lock, flags);  in s3c_pcm_hw_params()
311 	dev_dbg(pcm->dev, "PCMSOURCE_CLK-%lu SCLK=%ufs SCLK_DIV=%d SYNC_DIV=%d\n",  in s3c_pcm_hw_params()
312 				clk_get_rate(clk), pcm->sclk_per_fs,  in s3c_pcm_hw_params()
321 	struct s3c_pcm_info *pcm = snd_soc_dai_get_drvdata(cpu_dai);  in s3c_pcm_set_fmt()  local
322 	void __iomem *regs = pcm->regs;  in s3c_pcm_set_fmt()
327 	dev_dbg(pcm->dev, "Entered %s\n", __func__);  in s3c_pcm_set_fmt()
329 	spin_lock_irqsave(&pcm->lock, flags);  in s3c_pcm_set_fmt()
338 		dev_err(pcm->dev, "Unsupported clock inversion!\n");  in s3c_pcm_set_fmt()
348 		dev_err(pcm->dev, "Unsupported master/slave format!\n");  in s3c_pcm_set_fmt()
355 		pcm->idleclk = 1;  in s3c_pcm_set_fmt()
358 		pcm->idleclk = 0;  in s3c_pcm_set_fmt()
361 		dev_err(pcm->dev, "Invalid Clock gating request!\n");  in s3c_pcm_set_fmt()
376 		dev_err(pcm->dev, "Unsupported data format!\n");  in s3c_pcm_set_fmt()
384 	spin_unlock_irqrestore(&pcm->lock, flags);  in s3c_pcm_set_fmt()
392 	struct s3c_pcm_info *pcm = snd_soc_dai_get_drvdata(cpu_dai);  in s3c_pcm_set_clkdiv()  local
396 		pcm->sclk_per_fs = div;  in s3c_pcm_set_clkdiv()
409 	struct s3c_pcm_info *pcm = snd_soc_dai_get_drvdata(cpu_dai);  in s3c_pcm_set_sysclk()  local
410 	void __iomem *regs = pcm->regs;  in s3c_pcm_set_sysclk()
421 		if (clk_get_rate(pcm->cclk) != freq)  in s3c_pcm_set_sysclk()
422 			clk_set_rate(pcm->cclk, freq);  in s3c_pcm_set_sysclk()
445 	struct s3c_pcm_info *pcm = snd_soc_dai_get_drvdata(dai);  in s3c_pcm_dai_probe()  local
447 	snd_soc_dai_init_dma_data(dai, pcm->dma_playback, pcm->dma_capture);  in s3c_pcm_dai_probe()
488 	struct s3c_pcm_info *pcm;  in s3c_pcm_dev_probe()  local
513 	pcm = &s3c_pcm[pdev->id];  in s3c_pcm_dev_probe()
514 	pcm->dev = &pdev->dev;  in s3c_pcm_dev_probe()
516 	spin_lock_init(&pcm->lock);  in s3c_pcm_dev_probe()
519 	pcm->sclk_per_fs = 128;  in s3c_pcm_dev_probe()
521 	pcm->cclk = devm_clk_get(&pdev->dev, "audio-bus");  in s3c_pcm_dev_probe()
522 	if (IS_ERR(pcm->cclk)) {  in s3c_pcm_dev_probe()
524 		ret = PTR_ERR(pcm->cclk);  in s3c_pcm_dev_probe()
527 	clk_prepare_enable(pcm->cclk);  in s3c_pcm_dev_probe()
530 	dev_set_drvdata(&pdev->dev, pcm);  in s3c_pcm_dev_probe()
539 	pcm->regs = ioremap(mem_res->start, 0x100);  in s3c_pcm_dev_probe()
540 	if (pcm->regs == NULL) {  in s3c_pcm_dev_probe()
546 	pcm->pclk = devm_clk_get(&pdev->dev, "pcm");  in s3c_pcm_dev_probe()
547 	if (IS_ERR(pcm->pclk)) {  in s3c_pcm_dev_probe()
552 	clk_prepare_enable(pcm->pclk);  in s3c_pcm_dev_probe()
564 	pcm->dma_capture = &s3c_pcm_stereo_in[pdev->id];  in s3c_pcm_dev_probe()
565 	pcm->dma_playback = &s3c_pcm_stereo_out[pdev->id];  in s3c_pcm_dev_probe()
585 	clk_disable_unprepare(pcm->pclk);  in s3c_pcm_dev_probe()
587 	iounmap(pcm->regs);  in s3c_pcm_dev_probe()
591 	clk_disable_unprepare(pcm->cclk);  in s3c_pcm_dev_probe()
598 	struct s3c_pcm_info *pcm = &s3c_pcm[pdev->id];  in s3c_pcm_dev_remove()  local
603 	iounmap(pcm->regs);  in s3c_pcm_dev_remove()
608 	clk_disable_unprepare(pcm->cclk);  in s3c_pcm_dev_remove()
609 	clk_disable_unprepare(pcm->pclk);  in s3c_pcm_dev_remove()