3 // Apple SoCs MCA driver
7 // The MCA peripheral is made up of a number of identical units called clusters.
182 	struct mca_data *mca = snd_soc_dai_get_drvdata(dai);  in mca_dai_to_cluster()  local
187 	int cluster_no = dai->id % mca->nclusters;  in mca_dai_to_cluster()
189 	return &mca->clusters[cluster_no];  in mca_dai_to_cluster()
253 	struct mca_data *mca = cl->host;  in mca_fe_enable_clocks()  local
258 		dev_err(mca->dev,  in mca_fe_enable_clocks()
269 	cl->pd_link = device_link_add(mca->dev, cl->pd_dev,  in mca_fe_enable_clocks()
273 		dev_err(mca->dev,  in mca_fe_enable_clocks()
298 	struct mca_data *mca = cl->host;  in mca_fe_clocks_in_use()  local
302 	mutex_lock(&mca->port_mutex);  in mca_fe_clocks_in_use()
303 	for (i = 0; i < mca->nclusters; i++) {  in mca_fe_clocks_in_use()
304 		be_cl = &mca->clusters[i];  in mca_fe_clocks_in_use()
311 				mutex_unlock(&mca->port_mutex);  in mca_fe_clocks_in_use()
316 	mutex_unlock(&mca->port_mutex);  in mca_fe_clocks_in_use()
324 	struct mca_data *mca = cl->host;  in mca_be_prepare()  local
331 	fe_cl = &mca->clusters[cl->port_driver];  in mca_be_prepare()
354 	struct mca_data *mca = cl->host;  in mca_be_hw_free()  local
365 	fe_cl = &mca->clusters[cl->port_driver];  in mca_be_hw_free()
475 	struct mca_data *mca = cl->host;  in mca_fe_set_fmt()  local
526 	dev_err(mca->dev, "unsupported DAI format (0x%x) requested\n", fmt);  in mca_fe_set_fmt()
562 	struct mca_data *mca = cl->host;  in mca_fe_hw_params()  local
563 	struct device *dev = mca->dev;  in mca_fe_hw_params()
642 	writel_relaxed(regval, mca->switch_base + REG_DMA_ADAPTER_A(cl->no));  in mca_fe_hw_params()
646 			       mca->switch_base + REG_DMA_ADAPTER_A(cl->no));  in mca_fe_hw_params()
649 			       mca->switch_base + REG_DMA_ADAPTER_B(cl->no));  in mca_fe_hw_params()
665 			dev_err(mca->dev, "cluster %d: unable to set clock parent: %d\n",  in mca_fe_hw_params()
699 	struct mca_data *mca = cl->host;  in mca_be_startup()  local
706 			dev_err(mca->dev, "many FE per one BE unsupported\n");  in mca_be_startup()
737 	mutex_lock(&mca->port_mutex);  in mca_be_startup()
739 	mutex_unlock(&mca->port_mutex);  in mca_be_startup()
749 	struct mca_data *mca = cl->host;  in mca_be_shutdown()  local
760 		mutex_lock(&mca->port_mutex);  in mca_be_shutdown()
762 		mutex_unlock(&mca->port_mutex);  in mca_be_shutdown()
961 	.name = "apple-mca",
971 static void apple_mca_release(struct mca_data *mca)  in apple_mca_release()  argument
975 	for (i = 0; i < mca->nclusters; i++) {  in apple_mca_release()
976 		struct mca_cluster *cl = &mca->clusters[i];  in apple_mca_release()
985 	if (mca->pd_link)  in apple_mca_release()
986 		device_link_del(mca->pd_link);  in apple_mca_release()
988 	if (!IS_ERR_OR_NULL(mca->pd_dev))  in apple_mca_release()
989 		dev_pm_domain_detach(mca->pd_dev, true);  in apple_mca_release()
991 	reset_control_rearm(mca->rstc);  in apple_mca_release()
996 	struct mca_data *mca;  in apple_mca_probe()  local
1012 	mca = devm_kzalloc(&pdev->dev, struct_size(mca, clusters, nclusters),  in apple_mca_probe()
1014 	if (!mca)  in apple_mca_probe()
1016 	mca->dev = &pdev->dev;  in apple_mca_probe()
1017 	mca->nclusters = nclusters;  in apple_mca_probe()
1018 	mutex_init(&mca->port_mutex);  in apple_mca_probe()
1019 	platform_set_drvdata(pdev, mca);  in apple_mca_probe()
1020 	clusters = mca->clusters;  in apple_mca_probe()
1022 	mca->switch_base =  in apple_mca_probe()
1024 	if (IS_ERR(mca->switch_base))  in apple_mca_probe()
1025 		return PTR_ERR(mca->switch_base);  in apple_mca_probe()
1027 	mca->rstc = devm_reset_control_get_optional_shared(&pdev->dev, NULL);  in apple_mca_probe()
1028 	if (IS_ERR(mca->rstc))  in apple_mca_probe()
1029 		return PTR_ERR(mca->rstc);  in apple_mca_probe()
1036 	mca->pd_dev = dev_pm_domain_attach_by_id(&pdev->dev, 0);  in apple_mca_probe()
1037 	if (IS_ERR(mca->pd_dev))  in apple_mca_probe()
1040 	mca->pd_link = device_link_add(&pdev->dev, mca->pd_dev,  in apple_mca_probe()
1043 	if (!mca->pd_link) {  in apple_mca_probe()
1046 		mca->rstc = NULL;  in apple_mca_probe()
1050 	reset_control_reset(mca->rstc);  in apple_mca_probe()
1055 			&dai_drivers[mca->nclusters + i];  in apple_mca_probe()
1058 		cl->host = mca;  in apple_mca_probe()
1080 			devm_kasprintf(&pdev->dev, GFP_KERNEL, "mca-pcm-%d", i);  in apple_mca_probe()
1107 		be->name = devm_kasprintf(&pdev->dev, GFP_KERNEL, "mca-i2s-%d", i);  in apple_mca_probe()
1143 	apple_mca_release(mca);  in apple_mca_probe()
1149 	struct mca_data *mca = platform_get_drvdata(pdev);  in apple_mca_remove()  local
1152 	apple_mca_release(mca);  in apple_mca_remove()
1157 	{ .compatible = "apple,mca", },
1164 		.name = "apple-mca",
1173 MODULE_DESCRIPTION("ASoC Apple MCA driver");