drivers/mailbox/qcom-apcs-ipc-mailbox.c

1 // SPDX-License-Identifier: GPL-2.0-only
33 	.offset = 8, .clk_name = "qcom,apss-ipq6018-clk"
41 	.offset = 8, .clk_name = "qcom-apcs-msm8916-clk"
74 	struct qcom_apcs_ipc *apcs = container_of(chan->mbox,  in qcom_apcs_ipc_send_data()  local
76 	unsigned long idx = (unsigned long)chan->con_priv;  in qcom_apcs_ipc_send_data()
78 	return regmap_write(apcs->regmap, apcs->offset, BIT(idx));  in qcom_apcs_ipc_send_data()
87 	struct qcom_apcs_ipc *apcs;  in qcom_apcs_ipc_probe()  local
95 	apcs = devm_kzalloc(&pdev->dev, sizeof(*apcs), GFP_KERNEL);  in qcom_apcs_ipc_probe()
96 	if (!apcs)  in qcom_apcs_ipc_probe()
97 		return -ENOMEM;  in qcom_apcs_ipc_probe()
100 	base = devm_ioremap_resource(&pdev->dev, res);  in qcom_apcs_ipc_probe()
104 	regmap = devm_regmap_init_mmio(&pdev->dev, base, &apcs_regmap_config);  in qcom_apcs_ipc_probe()
108 	apcs_data = of_device_get_match_data(&pdev->dev);  in qcom_apcs_ipc_probe()
110 	apcs->regmap = regmap;  in qcom_apcs_ipc_probe()
111 	apcs->offset = apcs_data->offset;  in qcom_apcs_ipc_probe()
114 	for (i = 0; i < ARRAY_SIZE(apcs->mbox_chans); i++)  in qcom_apcs_ipc_probe()
115 		apcs->mbox_chans[i].con_priv = (void *)i;  in qcom_apcs_ipc_probe()
117 	apcs->mbox.dev = &pdev->dev;  in qcom_apcs_ipc_probe()
118 	apcs->mbox.ops = &qcom_apcs_ipc_ops;  in qcom_apcs_ipc_probe()
119 	apcs->mbox.chans = apcs->mbox_chans;  in qcom_apcs_ipc_probe()
120 	apcs->mbox.num_chans = ARRAY_SIZE(apcs->mbox_chans);  in qcom_apcs_ipc_probe()
122 	ret = devm_mbox_controller_register(&pdev->dev, &apcs->mbox);  in qcom_apcs_ipc_probe()
124 		dev_err(&pdev->dev, "failed to register APCS IPC controller\n");  in qcom_apcs_ipc_probe()
128 	if (apcs_data->clk_name) {  in qcom_apcs_ipc_probe()
129 		apcs->clk = platform_device_register_data(&pdev->dev,  in qcom_apcs_ipc_probe()
130 							  apcs_data->clk_name,  in qcom_apcs_ipc_probe()
133 		if (IS_ERR(apcs->clk))  in qcom_apcs_ipc_probe()
134 			dev_err(&pdev->dev, "failed to register APCS clk\n");  in qcom_apcs_ipc_probe()
137 	platform_set_drvdata(pdev, apcs);  in qcom_apcs_ipc_probe()
144 	struct qcom_apcs_ipc *apcs = platform_get_drvdata(pdev);  in qcom_apcs_ipc_remove()  local
145 	struct platform_device *clk = apcs->clk;  in qcom_apcs_ipc_remove()
152 /* .data is the offset of the ipc register within the global block */
154 	{ .compatible = "qcom,ipq6018-apcs-apps-global", .data = &ipq6018_apcs_data },
155 	{ .compatible = "qcom,ipq8074-apcs-apps-global", .data = &ipq8074_apcs_data },
156 	{ .compatible = "qcom,msm8916-apcs-kpss-global", .data = &msm8916_apcs_data },
157 	{ .compatible = "qcom,msm8994-apcs-kpss-global", .data = &msm8994_apcs_data },
158 	{ .compatible = "qcom,msm8996-apcs-hmss-global", .data = &msm8996_apcs_data },
159 	{ .compatible = "qcom,msm8998-apcs-hmss-global", .data = &msm8998_apcs_data },
160 	{ .compatible = "qcom,qcs404-apcs-apps-global", .data = &msm8916_apcs_data },
161 	{ .compatible = "qcom,sc7180-apss-shared", .data = &apps_shared_apcs_data },
162 	{ .compatible = "qcom,sdm660-apcs-hmss-global", .data = &sdm660_apcs_data },
163 	{ .compatible = "qcom,sdm845-apss-shared", .data = &apps_shared_apcs_data },
164 	{ .compatible = "qcom,sm8150-apss-shared", .data = &apps_shared_apcs_data },
191 MODULE_DESCRIPTION("Qualcomm APCS IPC driver");