Exemple #1
0
static int wkup_m3_rproc_remove(struct platform_device *pdev)
{
	struct rproc *rproc = platform_get_drvdata(pdev);

	rproc_del(rproc);
	rproc_free(rproc);
	pm_runtime_put_sync(&pdev->dev);
	pm_runtime_disable(&pdev->dev);

	return 0;
}
Exemple #2
0
static int st_rproc_probe(struct platform_device *pdev)
{
	struct device *dev = &pdev->dev;
	const struct of_device_id *match;
	struct st_rproc *ddata;
	struct device_node *np = dev->of_node;
	struct rproc *rproc;
	int enabled;
	int ret;

	match = of_match_device(st_rproc_match, dev);
	if (!match || !match->data) {
		dev_err(dev, "No device match found\n");
		return -ENODEV;
	}

	rproc = rproc_alloc(dev, np->name, &st_rproc_ops, NULL, sizeof(*ddata));
	if (!rproc)
		return -ENOMEM;

	rproc->has_iommu = false;
	ddata = rproc->priv;
	ddata->config = (struct st_rproc_config *)match->data;

	platform_set_drvdata(pdev, rproc);

	ret = st_rproc_parse_dt(pdev);
	if (ret)
		goto free_rproc;

	enabled = st_rproc_state(pdev);
	if (enabled < 0) {
		ret = enabled;
		goto free_rproc;
	}

	if (enabled) {
		atomic_inc(&rproc->power);
		rproc->state = RPROC_RUNNING;
	} else {
		clk_set_rate(ddata->clk, ddata->clk_rate);
	}

	ret = rproc_add(rproc);
	if (ret)
		goto free_rproc;

	return 0;

free_rproc:
	rproc_free(rproc);
	return ret;
}
Exemple #3
0
static int adsp_remove(struct platform_device *pdev)
{
	struct qcom_adsp *adsp = platform_get_drvdata(pdev);

	rproc_del(adsp->rproc);

	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);
	rproc_free(adsp->rproc);

	return 0;
}
Exemple #4
0
static int st_rproc_remove(struct platform_device *pdev)
{
	struct rproc *rproc = platform_get_drvdata(pdev);
	struct st_rproc *ddata = rproc->priv;

	rproc_del(rproc);

	clk_disable_unprepare(ddata->clk);

	of_reserved_mem_device_release(&pdev->dev);

	rproc_free(rproc);

	return 0;
}
Exemple #5
0
/**
  * st_slim_rproc_put() - put slim rproc resources
  * @slim_rproc: Pointer to the st_slim_rproc struct
  *
  * Function for calling respective _put() functions on slim_rproc resources.
  *
  */
void st_slim_rproc_put(struct st_slim_rproc *slim_rproc)
{
	int clk;

	if (!slim_rproc)
		return;

	slim_clk_disable(slim_rproc);

	for (clk = 0; clk < ST_SLIM_MAX_CLK && slim_rproc->clks[clk]; clk++)
		clk_put(slim_rproc->clks[clk]);

	rproc_del(slim_rproc->rproc);
	rproc_free(slim_rproc->rproc);
}
Exemple #6
0
static int da8xx_rproc_remove(struct platform_device *pdev)
{
	struct rproc *rproc = platform_get_drvdata(pdev);
	struct da8xx_rproc *drproc = (struct da8xx_rproc *)rproc->priv;
	struct device *dev = &pdev->dev;

	/*
	 * The devm subsystem might end up releasing things before
	 * freeing the irq, thus allowing an interrupt to sneak in while
	 * the device is being removed.  This should prevent that.
	 */
	disable_irq(drproc->irq);

	rproc_del(rproc);
	rproc_free(rproc);
	if (dev->of_node)
		of_reserved_mem_device_release(dev);

	return 0;
}
Exemple #7
0
static int wkup_m3_rproc_probe(struct platform_device *pdev)
{
	struct device *dev = &pdev->dev;
	struct wkup_m3_platform_data *pdata = dev->platform_data;
	/* umem always needs to be processed first */
	const char *mem_names[WKUPM3_MEM_MAX] = { "umem", "dmem" };
	struct wkup_m3_rproc *wkupm3;
	const char *fw_name;
	struct rproc *rproc;
	struct resource *res;
	const __be32 *addrp;
	u32 l4_offset = 0;
	u64 size;
	int ret;
	int i;

	if (!(pdata && pdata->deassert_reset && pdata->assert_reset &&
	      pdata->reset_name)) {
		dev_err(dev, "Platform data missing!\n");
		return -ENODEV;
	}

	ret = of_property_read_string(dev->of_node, "ti,pm-firmware",
				      &fw_name);
	if (ret) {
		dev_err(dev, "No firmware filename given\n");
		return -ENODEV;
	}

	pm_runtime_enable(&pdev->dev);
	ret = pm_runtime_get_sync(&pdev->dev);
	if (ret < 0) {
		dev_err(&pdev->dev, "pm_runtime_get_sync() failed\n");
		goto err;
	}

	rproc = rproc_alloc(dev, "wkup_m3", &wkup_m3_rproc_ops,
			    fw_name, sizeof(*wkupm3));
	if (!rproc) {
		ret = -ENOMEM;
		goto err;
	}

	rproc->auto_boot = false;

	wkupm3 = rproc->priv;
	wkupm3->rproc = rproc;
	wkupm3->pdev = pdev;

	for (i = 0; i < ARRAY_SIZE(mem_names); i++) {
		res = platform_get_resource_byname(pdev, IORESOURCE_MEM,
						   mem_names[i]);
		wkupm3->mem[i].cpu_addr = devm_ioremap_resource(dev, res);
		if (IS_ERR(wkupm3->mem[i].cpu_addr)) {
			dev_err(&pdev->dev, "devm_ioremap_resource failed for resource %d\n",
				i);
			ret = PTR_ERR(wkupm3->mem[i].cpu_addr);
			goto err;
		}
		wkupm3->mem[i].bus_addr = res->start;
		wkupm3->mem[i].size = resource_size(res);
		addrp = of_get_address(dev->of_node, i, &size, NULL);
		/*
		 * The wkupm3 has umem at address 0 in its view, so the device
		 * addresses for each memory region is computed as a relative
		 * offset of the bus address for umem, and therefore needs to be
		 * processed first.
		 */
		if (!strcmp(mem_names[i], "umem"))
			l4_offset = be32_to_cpu(*addrp);
		wkupm3->mem[i].dev_addr = be32_to_cpu(*addrp) - l4_offset;
	}

	dev_set_drvdata(dev, rproc);

	ret = rproc_add(rproc);
	if (ret) {
		dev_err(dev, "rproc_add failed\n");
		goto err_put_rproc;
	}

	return 0;

err_put_rproc:
	rproc_free(rproc);
err:
	pm_runtime_put_noidle(dev);
	pm_runtime_disable(dev);
	return ret;
}
Exemple #8
0
static int adsp_probe(struct platform_device *pdev)
{
	const struct adsp_pil_data *desc;
	struct qcom_adsp *adsp;
	struct rproc *rproc;
	int ret;

	desc = of_device_get_match_data(&pdev->dev);
	if (!desc)
		return -EINVAL;

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

	adsp = (struct qcom_adsp *)rproc->priv;
	adsp->dev = &pdev->dev;
	adsp->rproc = rproc;
	platform_set_drvdata(pdev, adsp);

	ret = adsp_alloc_memory_region(adsp);
	if (ret)
		goto free_rproc;

	ret = adsp_init_clock(adsp);
	if (ret)
		goto free_rproc;

	pm_runtime_enable(adsp->dev);

	ret = adsp_init_reset(adsp);
	if (ret)
		goto disable_pm;

	ret = adsp_init_mmio(adsp, pdev);
	if (ret)
		goto disable_pm;

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

	qcom_add_glink_subdev(rproc, &adsp->glink_subdev);
	qcom_add_ssr_subdev(rproc, &adsp->ssr_subdev, desc->ssr_name);
	adsp->sysmon = qcom_add_sysmon_subdev(rproc,
					      desc->sysmon_name,
					      desc->ssctl_id);

	ret = rproc_add(rproc);
	if (ret)
		goto disable_pm;

	return 0;

disable_pm:
	pm_runtime_disable(adsp->dev);
free_rproc:
	rproc_free(rproc);

	return ret;
}
Exemple #9
0
struct st_slim_rproc *st_slim_rproc_alloc(struct platform_device *pdev,
				char *fw_name)
{
	struct device *dev = &pdev->dev;
	struct st_slim_rproc *slim_rproc;
	struct device_node *np = dev->of_node;
	struct rproc *rproc;
	struct resource *res;
	int err, i;
	const struct rproc_fw_ops *elf_ops;

	if (!fw_name)
		return ERR_PTR(-EINVAL);

	if (!of_device_is_compatible(np, "st,slim-rproc"))
		return ERR_PTR(-EINVAL);

	rproc = rproc_alloc(dev, np->name, &slim_rproc_ops,
			fw_name, sizeof(*slim_rproc));
	if (!rproc)
		return ERR_PTR(-ENOMEM);

	rproc->has_iommu = false;

	slim_rproc = rproc->priv;
	slim_rproc->rproc = rproc;

	elf_ops = rproc->fw_ops;
	/* Use some generic elf ops */
	slim_rproc_fw_ops.load = elf_ops->load;
	slim_rproc_fw_ops.sanity_check = elf_ops->sanity_check;

	rproc->fw_ops = &slim_rproc_fw_ops;

	/* get imem and dmem */
	for (i = 0; i < ARRAY_SIZE(mem_names); i++) {
		res = platform_get_resource_byname(pdev, IORESOURCE_MEM,
						mem_names[i]);

		slim_rproc->mem[i].cpu_addr = devm_ioremap_resource(dev, res);
		if (IS_ERR(slim_rproc->mem[i].cpu_addr)) {
			dev_err(&pdev->dev, "devm_ioremap_resource failed\n");
			err = PTR_ERR(slim_rproc->mem[i].cpu_addr);
			goto err;
		}
		slim_rproc->mem[i].bus_addr = res->start;
		slim_rproc->mem[i].size = resource_size(res);
	}

	res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "slimcore");
	slim_rproc->slimcore = devm_ioremap_resource(dev, res);
	if (IS_ERR(slim_rproc->slimcore)) {
		dev_err(&pdev->dev, "failed to ioremap slimcore IO\n");
		err = PTR_ERR(slim_rproc->slimcore);
		goto err;
	}

	res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "peripherals");
	slim_rproc->peri = devm_ioremap_resource(dev, res);
	if (IS_ERR(slim_rproc->peri)) {
		dev_err(&pdev->dev, "failed to ioremap peripherals IO\n");
		err = PTR_ERR(slim_rproc->peri);
		goto err;
	}

	err = slim_clk_get(slim_rproc, dev);
	if (err)
		goto err;

	err = slim_clk_enable(slim_rproc);
	if (err) {
		dev_err(dev, "Failed to enable clocks\n");
		goto err_clk_put;
	}

	/* Register as a remoteproc device */
	err = rproc_add(rproc);
	if (err) {
		dev_err(dev, "registration of slim remoteproc failed\n");
		goto err_clk_dis;
	}

	return slim_rproc;

err_clk_dis:
	slim_clk_disable(slim_rproc);
err_clk_put:
	for (i = 0; i < ST_SLIM_MAX_CLK && slim_rproc->clks[i]; i++)
		clk_put(slim_rproc->clks[i]);
err:
	rproc_free(rproc);
	return ERR_PTR(err);
}
Exemple #10
0
static int da8xx_rproc_probe(struct platform_device *pdev)
{
	struct device *dev = &pdev->dev;
	struct da8xx_rproc *drproc;
	struct rproc *rproc;
	struct irq_data *irq_data;
	struct resource *bootreg_res;
	struct resource *chipsig_res;
	struct clk *dsp_clk;
	void __iomem *chipsig;
	void __iomem *bootreg;
	int irq;
	int ret;

	irq = platform_get_irq(pdev, 0);
	if (irq < 0) {
		dev_err(dev, "platform_get_irq(pdev, 0) error: %d\n", irq);
		return irq;
	}

	irq_data = irq_get_irq_data(irq);
	if (!irq_data) {
		dev_err(dev, "irq_get_irq_data(%d): NULL\n", irq);
		return -EINVAL;
	}

	bootreg_res = platform_get_resource_byname(pdev, IORESOURCE_MEM,
						   "host1cfg");
	bootreg = devm_ioremap_resource(dev, bootreg_res);
	if (IS_ERR(bootreg))
		return PTR_ERR(bootreg);

	chipsig_res = platform_get_resource_byname(pdev, IORESOURCE_MEM,
						   "chipsig");
	chipsig = devm_ioremap_resource(dev, chipsig_res);
	if (IS_ERR(chipsig))
		return PTR_ERR(chipsig);

	dsp_clk = devm_clk_get(dev, NULL);
	if (IS_ERR(dsp_clk)) {
		dev_err(dev, "clk_get error: %ld\n", PTR_ERR(dsp_clk));

		return PTR_ERR(dsp_clk);
	}

	if (dev->of_node) {
		ret = of_reserved_mem_device_init(dev);
		if (ret) {
			dev_err(dev, "device does not have specific CMA pool: %d\n",
				ret);
			return ret;
		}
	}

	rproc = rproc_alloc(dev, "dsp", &da8xx_rproc_ops, da8xx_fw_name,
		sizeof(*drproc));
	if (!rproc) {
		ret = -ENOMEM;
		goto free_mem;
	}

	drproc = rproc->priv;
	drproc->rproc = rproc;
	drproc->dsp_clk = dsp_clk;
	rproc->has_iommu = false;

	ret = da8xx_rproc_get_internal_memories(pdev, drproc);
	if (ret)
		goto free_rproc;

	platform_set_drvdata(pdev, rproc);

	/* everything the ISR needs is now setup, so hook it up */
	ret = devm_request_threaded_irq(dev, irq, da8xx_rproc_callback,
					handle_event, 0, "da8xx-remoteproc",
					rproc);
	if (ret) {
		dev_err(dev, "devm_request_threaded_irq error: %d\n", ret);
		goto free_rproc;
	}

	/*
	 * rproc_add() can end up enabling the DSP's clk with the DSP
	 * *not* in reset, but da8xx_rproc_start() needs the DSP to be
	 * held in reset at the time it is called.
	 */
	ret = davinci_clk_reset_assert(drproc->dsp_clk);
	if (ret)
		goto free_rproc;

	drproc->chipsig = chipsig;
	drproc->bootreg = bootreg;
	drproc->ack_fxn = irq_data->chip->irq_ack;
	drproc->irq_data = irq_data;
	drproc->irq = irq;

	ret = rproc_add(rproc);
	if (ret) {
		dev_err(dev, "rproc_add failed: %d\n", ret);
		goto free_rproc;
	}

	return 0;

free_rproc:
	rproc_free(rproc);
free_mem:
	if (dev->of_node)
		of_reserved_mem_device_release(dev);
	return ret;
}