1 // SPDX-License-Identifier: GPL-2.0
52 	/* DIS->DIS, do nothing */
54 	/* DIS->TDM1*/
55 	{ .tdms = 1, .clk = 1, .msg = "DIS->TDM1: TDM1 not started!\n" },
56 	/* DIS->TDM2*/
57 	{ .tdms = 2, .clk = 2, .msg = "DIS->TDM2: TDM2 not started!\n" },
58 	/* DIS->MIX */
59 	{ .tdms = 3, .clk = 0, .msg = "DIS->MIX: Please start both TDMs!\n" }
60 }, {	/* TDM1->DIS */
61 	{ .tdms = 1, .clk = 0, .msg = "TDM1->DIS: TDM1 not started!\n" },
62 	/* TDM1->TDM1, do nothing */
64 	/* TDM1->TDM2 */
65 	{ .tdms = 3, .clk = 2, .msg = "TDM1->TDM2: Please start both TDMs!\n" },
66 	/* TDM1->MIX */
67 	{ .tdms = 3, .clk = 0, .msg = "TDM1->MIX: Please start both TDMs!\n" }
68 }, {	/* TDM2->DIS */
69 	{ .tdms = 2, .clk = 0, .msg = "TDM2->DIS: TDM2 not started!\n" },
70 	/* TDM2->TDM1 */
71 	{ .tdms = 3, .clk = 1, .msg = "TDM2->TDM1: Please start both TDMs!\n" },
72 	/* TDM2->TDM2, do nothing */
74 	/* TDM2->MIX */
75 	{ .tdms = 3, .clk = 0, .msg = "TDM2->MIX: Please start both TDMs!\n" }
76 }, {	/* MIX->DIS */
77 	{ .tdms = 3, .clk = 0, .msg = "MIX->DIS: Please start both TDMs!\n" },
78 	/* MIX->TDM1 */
79 	{ .tdms = 3, .clk = 1, .msg = "MIX->TDM1: Please start both TDMs!\n" },
80 	/* MIX->TDM2 */
81 	{ .tdms = 3, .clk = 2, .msg = "MIX->TDM2: Please start both TDMs!\n" },
82 	/* MIX->MIX, do nothing */
92 	if ((priv->tdms & prm.tdms) != prm.tdms) {  in fsl_audmix_state_trans()
93 		dev_dbg(comp->dev, "%s", prm.msg);  in fsl_audmix_state_trans()
94 		return -EINVAL;  in fsl_audmix_state_trans()
102 		(*ctr)  |= FSL_AUDMIX_CTR_MIXCLK(prm.clk - 1);  in fsl_audmix_state_trans()
116 	struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;  in fsl_audmix_put_mix_clk_src()
117 	unsigned int *item = ucontrol->value.enumerated.item;  in fsl_audmix_put_mix_clk_src()
126 	dev_dbg(comp->dev, "TDMs=x%08x, val=x%08x\n", priv->tdms, val);  in fsl_audmix_put_mix_clk_src()
132 	if (!(priv->tdms & BIT(mix_clk))) {  in fsl_audmix_put_mix_clk_src()
133 		dev_err(comp->dev,  in fsl_audmix_put_mix_clk_src()
134 			"Started TDM%d needed for config propagation!\n",  in fsl_audmix_put_mix_clk_src()
136 		return -EINVAL;  in fsl_audmix_put_mix_clk_src()
139 	if (!(priv->tdms & BIT(val))) {  in fsl_audmix_put_mix_clk_src()
140 		dev_err(comp->dev,  in fsl_audmix_put_mix_clk_src()
141 			"The selected clock source has no TDM%d enabled!\n",  in fsl_audmix_put_mix_clk_src()
143 		return -EINVAL;  in fsl_audmix_put_mix_clk_src()
154 	struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;  in fsl_audmix_put_out_src()
155 	unsigned int *item = ucontrol->value.enumerated.item;  in fsl_audmix_put_out_src()
172 	dev_dbg(comp->dev, "TDMs=x%08x, val=x%08x\n", priv->tdms, val);  in fsl_audmix_put_out_src()
181 	if (!(priv->tdms & BIT(mix_clk))) {  in fsl_audmix_put_out_src()
182 		dev_err(comp->dev,  in fsl_audmix_put_out_src()
183 			"Started TDM%d needed for config propagation!\n",  in fsl_audmix_put_out_src()
185 		return -EINVAL;  in fsl_audmix_put_out_src()
209 	SOC_ENUM("Sync Mode Config", fsl_audmix_enum[5]),
210 	SOC_ENUM("Sync Mode Clk Source", fsl_audmix_enum[6]),
241 	struct snd_soc_component *comp = dai->component;  in fsl_audmix_dai_set_fmt()
249 		return -EINVAL;  in fsl_audmix_dai_set_fmt()
258 		return -EINVAL;  in fsl_audmix_dai_set_fmt()
271 		return -EINVAL;  in fsl_audmix_dai_set_fmt()
286 	if (substream->stream == SNDRV_PCM_STREAM_CAPTURE)  in fsl_audmix_dai_trigger()
293 		spin_lock_irqsave(&priv->lock, lock_flags);  in fsl_audmix_dai_trigger()
294 		priv->tdms |= BIT(dai->driver->id);  in fsl_audmix_dai_trigger()
295 		spin_unlock_irqrestore(&priv->lock, lock_flags);  in fsl_audmix_dai_trigger()
300 		spin_lock_irqsave(&priv->lock, lock_flags);  in fsl_audmix_dai_trigger()
301 		priv->tdms &= ~BIT(dai->driver->id);  in fsl_audmix_dai_trigger()
302 		spin_unlock_irqrestore(&priv->lock, lock_flags);  in fsl_audmix_dai_trigger()
305 		return -EINVAL;  in fsl_audmix_dai_trigger()
319 		.name = "audmix-0",
321 			.stream_name = "AUDMIX-Playback-0",
333 		.name = "audmix-1",
335 			.stream_name = "AUDMIX-Playback-1",
347 		.name = "audmix-2",
349 			.stream_name = "AUDMIX-Capture-0",
362 	.name		  = "fsl-audmix-dai",
445 		.compatible = "fsl,imx8qm-audmix",
453 	struct device *dev = &pdev->dev;  in fsl_audmix_probe()
460 		return -ENOMEM;  in fsl_audmix_probe()
467 	priv->regmap = devm_regmap_init_mmio(dev, regs, &fsl_audmix_regmap_config);  in fsl_audmix_probe()
468 	if (IS_ERR(priv->regmap)) {  in fsl_audmix_probe()
470 		return PTR_ERR(priv->regmap);  in fsl_audmix_probe()
473 	priv->ipg_clk = devm_clk_get(dev, "ipg");  in fsl_audmix_probe()
474 	if (IS_ERR(priv->ipg_clk)) {  in fsl_audmix_probe()
476 		return PTR_ERR(priv->ipg_clk);  in fsl_audmix_probe()
479 	spin_lock_init(&priv->lock);  in fsl_audmix_probe()
491 	priv->pdev = platform_device_register_data(dev, "imx-audmix", 0, NULL, 0);  in fsl_audmix_probe()
492 	if (IS_ERR(priv->pdev)) {  in fsl_audmix_probe()
493 		ret = PTR_ERR(priv->pdev);  in fsl_audmix_probe()
507 	struct fsl_audmix *priv = dev_get_drvdata(&pdev->dev);  in fsl_audmix_remove()
509 	pm_runtime_disable(&pdev->dev);  in fsl_audmix_remove()
511 	if (priv->pdev)  in fsl_audmix_remove()
512 		platform_device_unregister(priv->pdev);  in fsl_audmix_remove()
520 	ret = clk_prepare_enable(priv->ipg_clk);  in fsl_audmix_runtime_resume()
526 	regcache_cache_only(priv->regmap, false);  in fsl_audmix_runtime_resume()
527 	regcache_mark_dirty(priv->regmap);  in fsl_audmix_runtime_resume()
529 	return regcache_sync(priv->regmap);  in fsl_audmix_runtime_resume()
536 	regcache_cache_only(priv->regmap, true);  in fsl_audmix_runtime_suspend()
538 	clk_disable_unprepare(priv->ipg_clk);  in fsl_audmix_runtime_suspend()
553 		.name = "fsl-audmix",
562 MODULE_ALIAS("platform:fsl-audmix");