70  * struct qcom_scm_qseecom_resp - QSEECOM SCM call response.
71  * @result:    Result or status of the SCM call. See &enum qcom_scm_qseecom_result.
265 	if (of_device_is_compatible(__scm ? __scm->dev->of_node : NULL, "qcom,scm-sc7180")) {  in __get_convention()
296  * Sends a command to the SCM and waits for the command to finish processing.
310 		pr_err("Unknown current SCM calling convention.\n");  in qcom_scm_call()
321  * Sends a command to the SCM and waits for the command to finish processing.
335 		pr_err("Unknown current SCM calling convention.\n");  in qcom_scm_call_atomic()
420  * Set the Linux entry point for the SCM to transfer control to when coming
426 		/* Fallback to old SCM call */  in qcom_scm_set_warm_boot_addr()
439 		/* Fallback to old SCM call */  in qcom_scm_set_cold_boot_addr()
591 	 * During the scm call memory protection will be enabled for the meta  in qcom_scm_pas_init_image()
1163  * Return: true iff the SCM calls wrapped by qcom_scm_ice_invalidate_key() and
1180  * doesn't work on these SoCs; only this SCM call does.
1182  * It is assumed that the SoC has only one ICE instance being used, as this SCM
1215  * doesn't work on these SoCs; only this SCM call does.
1217  * It is assumed that the SoC has only one ICE instance being used, as this SCM
1282  * @resp: response buffer passed to SCM
1284  * Write HDCP register(s) through SCM.
1526 /* Lock for QSEECOM SCM call executions */
1536 	 * QSEECOM SCM calls should not be executed concurrently. Therefore, we  in __qcom_scm_qseecom_call()
1554  * qcom_scm_qseecom_call() - Perform a QSEECOM SCM call.
1555  * @desc: SCM call descriptor.
1556  * @res:  SCM call response (output).
1558  * Performs the QSEECOM SCM call described by @desc, returning the response in
1569 	 * Note: Multiple QSEECOM SCM calls should not be executed same time,  in qcom_scm_qseecom_call()
1583 		dev_err(__scm->dev, "qseecom: scm call failed with error %d\n", status);  in qcom_scm_qseecom_call()
1605  * Performs the QSEECOM SCM querying the QSEECOM version currently running in
1779 static int qcom_scm_qseecom_init(struct qcom_scm *scm)  in qcom_scm_qseecom_init()  argument
1800 	dev_info(scm->dev, "qseecom: found qseecom with version 0x%x\n", version);  in qcom_scm_qseecom_init()
1803 		dev_info(scm->dev, "qseecom: untested machine, skipping\n");  in qcom_scm_qseecom_init()
1815 	qseecom_dev->dev.parent = scm->dev;  in qcom_scm_qseecom_init()
1823 	return devm_add_action_or_reset(scm->dev, qcom_scm_qseecom_free, qseecom_dev);  in qcom_scm_qseecom_init()
1828 static int qcom_scm_qseecom_init(struct qcom_scm *scm)  in qcom_scm_qseecom_init()  argument
1836  * qcom_scm_is_available() - Checks if SCM is available
1887 	struct qcom_scm *scm = data;  in qcom_scm_irq_handler()  local
1893 			dev_err(scm->dev, "GET_WQ_CTX SMC call failed: %d\n", ret);  in qcom_scm_irq_handler()
1898 			dev_err(scm->dev, "Invalid flags received for wq_ctx: %u\n", flags);  in qcom_scm_irq_handler()
1953 	struct qcom_scm *scm;  in qcom_scm_probe()  local
1956 	scm = devm_kzalloc(&pdev->dev, sizeof(*scm), GFP_KERNEL);  in qcom_scm_probe()
1957 	if (!scm)  in qcom_scm_probe()
1960 	scm->dev = &pdev->dev;  in qcom_scm_probe()
1961 	ret = qcom_scm_find_dload_address(&pdev->dev, &scm->dload_mode_addr);  in qcom_scm_probe()
1965 	init_completion(&scm->waitq_comp);  in qcom_scm_probe()
1966 	mutex_init(&scm->scm_bw_lock);  in qcom_scm_probe()
1968 	scm->path = devm_of_icc_get(&pdev->dev, NULL);  in qcom_scm_probe()
1969 	if (IS_ERR(scm->path))  in qcom_scm_probe()
1970 		return dev_err_probe(&pdev->dev, PTR_ERR(scm->path),  in qcom_scm_probe()
1973 	scm->core_clk = devm_clk_get_optional(&pdev->dev, "core");  in qcom_scm_probe()
1974 	if (IS_ERR(scm->core_clk))  in qcom_scm_probe()
1975 		return PTR_ERR(scm->core_clk);  in qcom_scm_probe()
1977 	scm->iface_clk = devm_clk_get_optional(&pdev->dev, "iface");  in qcom_scm_probe()
1978 	if (IS_ERR(scm->iface_clk))  in qcom_scm_probe()
1979 		return PTR_ERR(scm->iface_clk);  in qcom_scm_probe()
1981 	scm->bus_clk = devm_clk_get_optional(&pdev->dev, "bus");  in qcom_scm_probe()
1982 	if (IS_ERR(scm->bus_clk))  in qcom_scm_probe()
1983 		return PTR_ERR(scm->bus_clk);  in qcom_scm_probe()
1985 	scm->reset.ops = &qcom_scm_pas_reset_ops;  in qcom_scm_probe()
1986 	scm->reset.nr_resets = 1;  in qcom_scm_probe()
1987 	scm->reset.of_node = pdev->dev.of_node;  in qcom_scm_probe()
1988 	ret = devm_reset_controller_register(&pdev->dev, &scm->reset);  in qcom_scm_probe()
1993 	ret = clk_set_rate(scm->core_clk, INT_MAX);  in qcom_scm_probe()
1998 	smp_store_release(&__scm, scm);  in qcom_scm_probe()
2006 						IRQF_ONESHOT, "qcom-scm", __scm);  in qcom_scm_probe()
2008 			return dev_err_probe(scm->dev, ret, "Failed to request qcom-scm irq\n");  in qcom_scm_probe()
2044 				     "Failed to create the SCM memory pool\n");  in qcom_scm_probe()
2053 	 * This means that there is no need to bring down the whole SCM driver.  in qcom_scm_probe()
2054 	 * Just log the error instead and let SCM live.  in qcom_scm_probe()
2056 	ret = qcom_scm_qseecom_init(scm);  in qcom_scm_probe()
2069 	{ .compatible = "qcom,scm" },
2072 	{ .compatible = "qcom,scm-apq8064" },
2073 	{ .compatible = "qcom,scm-apq8084" },
2074 	{ .compatible = "qcom,scm-ipq4019" },
2075 	{ .compatible = "qcom,scm-msm8953" },
2076 	{ .compatible = "qcom,scm-msm8974" },
2077 	{ .compatible = "qcom,scm-msm8996" },
2098 MODULE_DESCRIPTION("Qualcomm Technologies, Inc. SCM driver");