remoteproc: qcom: q6v5_wpss: Add support for sc7280 WPSS (358b586f) · Commits · EulixOS / Software / Kernel

drivers/remoteproc/qcom_q6v5_adsp.c

+211 −16

Original line number	Diff line number	Diff line
		@@ -32,6 +32,7 @@

		/* time out value */
		#define ACK_TIMEOUT 1000
		#define ACK_TIMEOUT_US 1000000
		#define BOOT_FSM_TIMEOUT 10000
		/* mask values */
		#define EVB_MASK GENMASK(27, 4)
		@@ -51,6 +52,8 @@
		#define QDSP6SS_CORE_CBCR 0x20
		#define QDSP6SS_SLEEP_CBCR 0x3c

		#define QCOM_Q6V5_RPROC_PROXY_PD_MAX 3

		struct adsp_pil_data {
		int crash_reason_smem;
		const char *firmware_name;
		@@ -58,9 +61,13 @@ struct adsp_pil_data {
		const char *ssr_name;
		const char *sysmon_name;
		int ssctl_id;
		bool is_wpss;
		bool auto_boot;

		const char **clk_ids;
		int num_clks;
		const char **proxy_pd_names;
		const char *load_state;
		};

		struct qcom_adsp {
		@@ -93,11 +100,151 @@ struct qcom_adsp {
		void *mem_region;
		size_t mem_size;

		struct device *proxy_pds[QCOM_Q6V5_RPROC_PROXY_PD_MAX];
		size_t proxy_pd_count;

		struct qcom_rproc_glink glink_subdev;
		struct qcom_rproc_ssr ssr_subdev;
		struct qcom_sysmon *sysmon;

		int (shutdown)(struct qcom_adsp adsp);
		};

		static int qcom_rproc_pds_attach(struct device dev, struct qcom_adsp adsp,
		const char **pd_names)
		{
		struct device **devs = adsp->proxy_pds;
		size_t num_pds = 0;
		int ret;
		int i;

		if (!pd_names)
		return 0;

		/* Handle single power domain */
		if (dev->pm_domain) {
		devs[0] = dev;
		pm_runtime_enable(dev);
		return 1;
		}

		while (pd_names[num_pds])
		num_pds++;

		if (num_pds > ARRAY_SIZE(adsp->proxy_pds))
		return -E2BIG;

		for (i = 0; i < num_pds; i++) {
		devs[i] = dev_pm_domain_attach_by_name(dev, pd_names[i]);
		if (IS_ERR_OR_NULL(devs[i])) {
		ret = PTR_ERR(devs[i]) ? : -ENODATA;
		goto unroll_attach;
		}
		}

		return num_pds;

		unroll_attach:
		for (i--; i >= 0; i--)
		dev_pm_domain_detach(devs[i], false);

		return ret;
		}

		static void qcom_rproc_pds_detach(struct qcom_adsp adsp, struct device *pds,
		size_t pd_count)
		{
		struct device *dev = adsp->dev;
		int i;

		/* Handle single power domain */
		if (dev->pm_domain && pd_count) {
		pm_runtime_disable(dev);
		return;
		}

		for (i = 0; i < pd_count; i++)
		dev_pm_domain_detach(pds[i], false);
		}

		static int qcom_rproc_pds_enable(struct qcom_adsp adsp, struct device *pds,
		size_t pd_count)
		{
		int ret;
		int i;

		for (i = 0; i < pd_count; i++) {
		dev_pm_genpd_set_performance_state(pds[i], INT_MAX);
		ret = pm_runtime_get_sync(pds[i]);
		if (ret < 0) {
		pm_runtime_put_noidle(pds[i]);
		dev_pm_genpd_set_performance_state(pds[i], 0);
		goto unroll_pd_votes;
		}
		}

		return 0;

		unroll_pd_votes:
		for (i--; i >= 0; i--) {
		dev_pm_genpd_set_performance_state(pds[i], 0);
		pm_runtime_put(pds[i]);
		}

		return ret;
		}

		static void qcom_rproc_pds_disable(struct qcom_adsp adsp, struct device *pds,
		size_t pd_count)
		{
		int i;

		for (i = 0; i < pd_count; i++) {
		dev_pm_genpd_set_performance_state(pds[i], 0);
		pm_runtime_put(pds[i]);
		}
		}

		static int qcom_wpss_shutdown(struct qcom_adsp *adsp)
		{
		unsigned int val;

		regmap_write(adsp->halt_map, adsp->halt_lpass + LPASS_HALTREQ_REG, 1);

		/* Wait for halt ACK from QDSP6 */
		regmap_read_poll_timeout(adsp->halt_map,
		adsp->halt_lpass + LPASS_HALTACK_REG, val,
		val, 1000, ACK_TIMEOUT_US);

		/* Assert the WPSS PDC Reset */
		reset_control_assert(adsp->pdc_sync_reset);

		/* Place the WPSS processor into reset */
		reset_control_assert(adsp->restart);

		/* wait after asserting subsystem restart from AOSS */
		usleep_range(200, 205);

		/* Remove the WPSS reset */
		reset_control_deassert(adsp->restart);

		/* De-assert the WPSS PDC Reset */
		reset_control_deassert(adsp->pdc_sync_reset);

		usleep_range(100, 105);

		clk_bulk_disable_unprepare(adsp->num_clks, adsp->clks);

		regmap_write(adsp->halt_map, adsp->halt_lpass + LPASS_HALTREQ_REG, 0);

		/* Wait for halt ACK from QDSP6 */
		regmap_read_poll_timeout(adsp->halt_map,
		adsp->halt_lpass + LPASS_HALTACK_REG, val,
		!val, 1000, ACK_TIMEOUT_US);

		return 0;
		}

		static int qcom_adsp_shutdown(struct qcom_adsp *adsp)
		{
		unsigned long timeout;
		@@ -193,12 +340,10 @@ static int adsp_start(struct rproc *rproc)
		if (ret)
		goto disable_irqs;

		dev_pm_genpd_set_performance_state(adsp->dev, INT_MAX);
		ret = pm_runtime_get_sync(adsp->dev);
		if (ret) {
		pm_runtime_put_noidle(adsp->dev);
		ret = qcom_rproc_pds_enable(adsp, adsp->proxy_pds,
		adsp->proxy_pd_count);
		if (ret < 0)
		goto disable_xo_clk;
		}

		ret = clk_bulk_prepare_enable(adsp->num_clks, adsp->clks);
		if (ret) {
		@@ -243,8 +388,7 @@ static int adsp_start(struct rproc *rproc)
		disable_adsp_clks:
		clk_bulk_disable_unprepare(adsp->num_clks, adsp->clks);
		disable_power_domain:
		dev_pm_genpd_set_performance_state(adsp->dev, 0);
		pm_runtime_put(adsp->dev);
		qcom_rproc_pds_disable(adsp, adsp->proxy_pds, adsp->proxy_pd_count);
		disable_xo_clk:
		clk_disable_unprepare(adsp->xo);
		disable_irqs:
		@@ -258,8 +402,7 @@ static void qcom_adsp_pil_handover(struct qcom_q6v5 *q6v5)
		struct qcom_adsp *adsp = container_of(q6v5, struct qcom_adsp, q6v5);

		clk_disable_unprepare(adsp->xo);
		dev_pm_genpd_set_performance_state(adsp->dev, 0);
		pm_runtime_put(adsp->dev);
		qcom_rproc_pds_disable(adsp, adsp->proxy_pds, adsp->proxy_pd_count);
		}

		static int adsp_stop(struct rproc *rproc)
		@@ -272,7 +415,7 @@ static int adsp_stop(struct rproc *rproc)
		if (ret == -ETIMEDOUT)
		dev_err(adsp->dev, "timed out on wait\n");

		ret = qcom_adsp_shutdown(adsp);
		ret = adsp->shutdown(adsp);
		if (ret)
		dev_err(adsp->dev, "failed to shutdown: %d\n", ret);

		@@ -428,6 +571,7 @@ static int adsp_alloc_memory_region(struct qcom_adsp *adsp)
		static int adsp_probe(struct platform_device *pdev)
		{
		const struct adsp_pil_data *desc;
		const char *firmware_name;
		struct qcom_adsp *adsp;
		struct rproc *rproc;
		int ret;
		@@ -436,12 +580,22 @@ static int adsp_probe(struct platform_device *pdev)
		if (!desc)
		return -EINVAL;

		firmware_name = desc->firmware_name;
		ret = of_property_read_string(pdev->dev.of_node, "firmware-name",
		&firmware_name);
		if (ret < 0 && ret != -EINVAL) {
		dev_err(&pdev->dev, "unable to read firmware-name\n");
		return ret;
		}

		rproc = rproc_alloc(&pdev->dev, pdev->name, &adsp_ops,
		desc->firmware_name, sizeof(*adsp));
		firmware_name, sizeof(*adsp));
		if (!rproc) {
		dev_err(&pdev->dev, "unable to allocate remoteproc\n");
		return -ENOMEM;
		}

		rproc->auto_boot = desc->auto_boot;
		rproc_coredump_set_elf_info(rproc, ELFCLASS32, EM_NONE);

		adsp = (struct qcom_adsp *)rproc->priv;
		@@ -450,6 +604,11 @@ static int adsp_probe(struct platform_device *pdev)
		adsp->info_name = desc->sysmon_name;
		platform_set_drvdata(pdev, adsp);

		if (desc->is_wpss)
		adsp->shutdown = qcom_wpss_shutdown;
		else
		adsp->shutdown = qcom_adsp_shutdown;

		ret = adsp_alloc_memory_region(adsp);
		if (ret)
		goto free_rproc;
		@@ -458,7 +617,13 @@ static int adsp_probe(struct platform_device *pdev)
		if (ret)
		goto free_rproc;

		pm_runtime_enable(adsp->dev);
		ret = qcom_rproc_pds_attach(adsp->dev, adsp,
		desc->proxy_pd_names);
		if (ret < 0) {
		dev_err(&pdev->dev, "Failed to attach proxy power domains\n");
		goto free_rproc;
		}
		adsp->proxy_pd_count = ret;

		ret = adsp_init_reset(adsp);
		if (ret)
		@@ -468,8 +633,8 @@ static int adsp_probe(struct platform_device *pdev)
		if (ret)
		goto disable_pm;

		ret = qcom_q6v5_init(&adsp->q6v5, pdev, rproc, desc->crash_reason_smem, NULL,
		qcom_adsp_pil_handover);
		ret = qcom_q6v5_init(&adsp->q6v5, pdev, rproc, desc->crash_reason_smem,
		desc->load_state, qcom_adsp_pil_handover);
		if (ret)
		goto disable_pm;

		@@ -490,7 +655,8 @@ static int adsp_probe(struct platform_device *pdev)
		return 0;

		disable_pm:
		pm_runtime_disable(adsp->dev);
		qcom_rproc_pds_detach(adsp, adsp->proxy_pds, adsp->proxy_pd_count);

		free_rproc:
		rproc_free(rproc);

		@@ -507,7 +673,7 @@ static int adsp_remove(struct platform_device *pdev)
		qcom_remove_glink_subdev(adsp->rproc, &adsp->glink_subdev);
		qcom_remove_sysmon_subdev(adsp->sysmon);
		qcom_remove_ssr_subdev(adsp->rproc, &adsp->ssr_subdev);
		pm_runtime_disable(adsp->dev);
		qcom_rproc_pds_detach(adsp, adsp->proxy_pds, adsp->proxy_pd_count);
		rproc_free(adsp->rproc);

		return 0;
		@@ -519,11 +685,16 @@ static const struct adsp_pil_data adsp_resource_init = {
		.ssr_name = "lpass",
		.sysmon_name = "adsp",
		.ssctl_id = 0x14,
		.is_wpss = false,
		.auto_boot = true,
		.clk_ids = (const char*[]) {
		"sway_cbcr", "lpass_ahbs_aon_cbcr", "lpass_ahbm_aon_cbcr",
		"qdsp6ss_xo", "qdsp6ss_sleep", "qdsp6ss_core", NULL
		},
		.num_clks = 7,
		.proxy_pd_names = (const char*[]) {
		"cx", NULL
		},
		};

		static const struct adsp_pil_data cdsp_resource_init = {
		@@ -532,15 +703,39 @@ static const struct adsp_pil_data cdsp_resource_init = {
		.ssr_name = "cdsp",
		.sysmon_name = "cdsp",
		.ssctl_id = 0x17,
		.is_wpss = false,
		.auto_boot = true,
		.clk_ids = (const char*[]) {
		"sway", "tbu", "bimc", "ahb_aon", "q6ss_slave", "q6ss_master",
		"q6_axim", NULL
		},
		.num_clks = 7,
		.proxy_pd_names = (const char*[]) {
		"cx", NULL
		},
		};

		static const struct adsp_pil_data wpss_resource_init = {
		.crash_reason_smem = 626,
		.firmware_name = "wpss.mdt",
		.ssr_name = "wpss",
		.sysmon_name = "wpss",
		.ssctl_id = 0x19,
		.is_wpss = true,
		.auto_boot = false,
		.load_state = "wpss",
		.clk_ids = (const char*[]) {
		"ahb_bdg", "ahb", "rscp", NULL
		},
		.num_clks = 3,
		.proxy_pd_names = (const char*[]) {
		"cx", "mx", NULL
		},
		};

		static const struct of_device_id adsp_of_match[] = {
		{ .compatible = "qcom,qcs404-cdsp-pil", .data = &cdsp_resource_init },
		{ .compatible = "qcom,sc7280-wpss-pil", .data = &wpss_resource_init },
		{ .compatible = "qcom,sdm845-adsp-pil", .data = &adsp_resource_init },
		{ },
		};