1 // SPDX-License-Identifier: GPL-2.0-only
7  * Copyright (c) 2012-2013, The Linux Foundation. All rights reserved.
138 	mutex_lock(&wcnss->iris_lock);  in qcom_wcnss_assign_iris()
140 	wcnss->iris = iris;  in qcom_wcnss_assign_iris()
141 	wcnss->use_48mhz_xo = use_48mhz_xo;  in qcom_wcnss_assign_iris()
143 	mutex_unlock(&wcnss->iris_lock);  in qcom_wcnss_assign_iris()
146 static int wcnss_load(struct rproc *rproc, const struct firmware *fw)  in wcnss_load()  argument
148 	struct qcom_wcnss *wcnss = (struct qcom_wcnss *)rproc->priv;  in wcnss_load()
151 	ret = qcom_mdt_load(wcnss->dev, fw, rproc->firmware, WCNSS_PAS_ID,  in wcnss_load()
152 			    wcnss->mem_region, wcnss->mem_phys,  in wcnss_load()
153 			    wcnss->mem_size, &wcnss->mem_reloc);  in wcnss_load()
157 	qcom_pil_info_store("wcnss", wcnss->mem_phys, wcnss->mem_size);  in wcnss_load()
167 	val = readl(wcnss->spare_out);  in wcnss_indicate_nv_download()
169 	writel(val, wcnss->spare_out);  in wcnss_indicate_nv_download()
176 	/* Clear PMU cfg register */  in wcnss_configure_iris()
177 	writel(0, wcnss->pmu_cfg);  in wcnss_configure_iris()
180 	writel(val, wcnss->pmu_cfg);  in wcnss_configure_iris()
184 	if (wcnss->use_48mhz_xo)  in wcnss_configure_iris()
188 	writel(val, wcnss->pmu_cfg);  in wcnss_configure_iris()
192 	writel(val, wcnss->pmu_cfg);  in wcnss_configure_iris()
195 	while (readl(wcnss->pmu_cfg) & WCNSS_PMU_IRIS_RESET_STS)  in wcnss_configure_iris()
200 	writel(val, wcnss->pmu_cfg);  in wcnss_configure_iris()
204 	writel(val, wcnss->pmu_cfg);  in wcnss_configure_iris()
207 	while (readl(wcnss->pmu_cfg) & WCNSS_PMU_IRIS_XO_CFG_STS)  in wcnss_configure_iris()
213 	writel(val, wcnss->pmu_cfg);  in wcnss_configure_iris()
221 	struct qcom_wcnss *wcnss = (struct qcom_wcnss *)rproc->priv;  in wcnss_start()
224 	mutex_lock(&wcnss->iris_lock);  in wcnss_start()
225 	if (!wcnss->iris) {  in wcnss_start()
226 		dev_err(wcnss->dev, "no iris registered\n");  in wcnss_start()
227 		ret = -EINVAL;  in wcnss_start()
231 	ret = regulator_bulk_enable(wcnss->num_vregs, wcnss->vregs);  in wcnss_start()
235 	ret = qcom_iris_enable(wcnss->iris);  in wcnss_start()
244 		dev_err(wcnss->dev,  in wcnss_start()
249 	ret = wait_for_completion_timeout(&wcnss->start_done,  in wcnss_start()
251 	if (wcnss->ready_irq > 0 && ret == 0) {  in wcnss_start()
253 		dev_err(wcnss->dev, "start timed out\n");  in wcnss_start()
255 		ret = -ETIMEDOUT;  in wcnss_start()
262 	qcom_iris_disable(wcnss->iris);  in wcnss_start()
264 	regulator_bulk_disable(wcnss->num_vregs, wcnss->vregs);  in wcnss_start()
266 	mutex_unlock(&wcnss->iris_lock);  in wcnss_start()
273 	struct qcom_wcnss *wcnss = (struct qcom_wcnss *)rproc->priv;  in wcnss_stop()
276 	if (wcnss->state) {  in wcnss_stop()
277 		qcom_smem_state_update_bits(wcnss->state,  in wcnss_stop()
278 					    BIT(wcnss->stop_bit),  in wcnss_stop()
279 					    BIT(wcnss->stop_bit));  in wcnss_stop()
281 		ret = wait_for_completion_timeout(&wcnss->stop_done,  in wcnss_stop()
284 			dev_err(wcnss->dev, "timed out on wait\n");  in wcnss_stop()
286 		qcom_smem_state_update_bits(wcnss->state,  in wcnss_stop()
287 					    BIT(wcnss->stop_bit),  in wcnss_stop()
293 		dev_err(wcnss->dev, "failed to shutdown: %d\n", ret);  in wcnss_stop()
300 	struct qcom_wcnss *wcnss = (struct qcom_wcnss *)rproc->priv;  in wcnss_da_to_va()
303 	offset = da - wcnss->mem_reloc;  in wcnss_da_to_va()
304 	if (offset < 0 || offset + len > wcnss->mem_size)  in wcnss_da_to_va()
307 	return wcnss->mem_region + offset;  in wcnss_da_to_va()
322 	rproc_report_crash(wcnss->rproc, RPROC_WATCHDOG);  in wcnss_wdog_interrupt()
335 		dev_err(wcnss->dev, "fatal error received: %s\n", msg);  in wcnss_fatal_interrupt()
337 	rproc_report_crash(wcnss->rproc, RPROC_FATAL_ERROR);  in wcnss_fatal_interrupt()
346 	complete(&wcnss->start_done);  in wcnss_ready_interrupt()
369 	complete(&wcnss->stop_done);  in wcnss_stop_ack_interrupt()
382 	bulk = devm_kcalloc(wcnss->dev,  in wcnss_init_regulators()
386 		return -ENOMEM;  in wcnss_init_regulators()
391 	ret = devm_regulator_bulk_get(wcnss->dev, num_vregs, bulk);  in wcnss_init_regulators()
405 	wcnss->vregs = bulk;  in wcnss_init_regulators()
406 	wcnss->num_vregs = num_vregs;  in wcnss_init_regulators()
422 		dev_dbg(&pdev->dev, "no %s IRQ defined, ignoring\n", name);  in wcnss_request_irq()
425 		dev_err(&pdev->dev, "no %s IRQ defined\n", name);  in wcnss_request_irq()
431 	ret = devm_request_threaded_irq(&pdev->dev, ret,  in wcnss_request_irq()
436 		dev_err(&pdev->dev, "request %s IRQ failed\n", name);  in wcnss_request_irq()
450 	node = of_parse_phandle(wcnss->dev->of_node, "memory-region", 0);  in wcnss_alloc_memory_region()
452 		dev_err(wcnss->dev, "no memory-region specified\n");  in wcnss_alloc_memory_region()
453 		return -EINVAL;  in wcnss_alloc_memory_region()
461 	wcnss->mem_phys = wcnss->mem_reloc = r.start;  in wcnss_alloc_memory_region()
462 	wcnss->mem_size = resource_size(&r);  in wcnss_alloc_memory_region()
463 	wcnss->mem_region = devm_ioremap_wc(wcnss->dev, wcnss->mem_phys, wcnss->mem_size);  in wcnss_alloc_memory_region()
464 	if (!wcnss->mem_region) {  in wcnss_alloc_memory_region()
465 		dev_err(wcnss->dev, "unable to map memory region: %pa+%zx\n",  in wcnss_alloc_memory_region()
466 			&r.start, wcnss->mem_size);  in wcnss_alloc_memory_region()
467 		return -EBUSY;  in wcnss_alloc_memory_region()
479 	void __iomem *mmio;  in wcnss_probe()  local
482 	data = of_device_get_match_data(&pdev->dev);  in wcnss_probe()
485 		return -EPROBE_DEFER;  in wcnss_probe()
488 		dev_err(&pdev->dev, "PAS is not available for WCNSS\n");  in wcnss_probe()
489 		return -ENXIO;  in wcnss_probe()
492 	rproc = rproc_alloc(&pdev->dev, pdev->name, &wcnss_ops,  in wcnss_probe()
495 		dev_err(&pdev->dev, "unable to allocate remoteproc\n");  in wcnss_probe()
496 		return -ENOMEM;  in wcnss_probe()
500 	wcnss = (struct qcom_wcnss *)rproc->priv;  in wcnss_probe()
501 	wcnss->dev = &pdev->dev;  in wcnss_probe()
502 	wcnss->rproc = rproc;  in wcnss_probe()
505 	init_completion(&wcnss->start_done);  in wcnss_probe()
506 	init_completion(&wcnss->stop_done);  in wcnss_probe()
508 	mutex_init(&wcnss->iris_lock);  in wcnss_probe()
511 	mmio = devm_ioremap_resource(&pdev->dev, res);  in wcnss_probe()
512 	if (IS_ERR(mmio)) {  in wcnss_probe()
513 		ret = PTR_ERR(mmio);  in wcnss_probe()
521 	wcnss->pmu_cfg = mmio + data->pmu_offset;  in wcnss_probe()
522 	wcnss->spare_out = mmio + data->spare_offset;  in wcnss_probe()
524 	ret = wcnss_init_regulators(wcnss, data->vregs, data->num_vregs);  in wcnss_probe()
531 	wcnss->wdog_irq = ret;  in wcnss_probe()
536 	wcnss->fatal_irq = ret;  in wcnss_probe()
541 	wcnss->ready_irq = ret;  in wcnss_probe()
546 	wcnss->handover_irq = ret;  in wcnss_probe()
548 	ret = wcnss_request_irq(wcnss, pdev, "stop-ack", true, wcnss_stop_ack_interrupt);  in wcnss_probe()
551 	wcnss->stop_ack_irq = ret;  in wcnss_probe()
553 	if (wcnss->stop_ack_irq) {  in wcnss_probe()
554 		wcnss->state = qcom_smem_state_get(&pdev->dev, "stop",  in wcnss_probe()
555 						   &wcnss->stop_bit);  in wcnss_probe()
556 		if (IS_ERR(wcnss->state)) {  in wcnss_probe()
557 			ret = PTR_ERR(wcnss->state);  in wcnss_probe()
562 	qcom_add_smd_subdev(rproc, &wcnss->smd_subdev);  in wcnss_probe()
563 	wcnss->sysmon = qcom_add_sysmon_subdev(rproc, "wcnss", WCNSS_SSCTL_ID);  in wcnss_probe()
564 	if (IS_ERR(wcnss->sysmon)) {  in wcnss_probe()
565 		ret = PTR_ERR(wcnss->sysmon);  in wcnss_probe()
573 	return of_platform_populate(pdev->dev.of_node, NULL, NULL, &pdev->dev);  in wcnss_probe()
585 	of_platform_depopulate(&pdev->dev);  in wcnss_remove()
587 	qcom_smem_state_put(wcnss->state);  in wcnss_remove()
588 	rproc_del(wcnss->rproc);  in wcnss_remove()
590 	qcom_remove_sysmon_subdev(wcnss->sysmon);  in wcnss_remove()
591 	qcom_remove_smd_subdev(wcnss->rproc, &wcnss->smd_subdev);  in wcnss_remove()
592 	rproc_free(wcnss->rproc);  in wcnss_remove()
598 	{ .compatible = "qcom,riva-pil", &riva_data },
599 	{ .compatible = "qcom,pronto-v1-pil", &pronto_v1_data },
600 	{ .compatible = "qcom,pronto-v2-pil", &pronto_v2_data },
609 		.name = "qcom-wcnss-pil",