1 // SPDX-License-Identifier: GPL-2.0-only
3 * Qualcomm ADSP/SLPI Peripheral Image Loader for MSM8974 and MSM8996
5 * Copyright (C) 2016 Linaro Ltd
6 * Copyright (C) 2014 Sony Mobile Communications AB
7 * Copyright (c) 2012-2013, The Linux Foundation. All rights reserved.
10 #include <linux/clk.h>
11 #include <linux/firmware.h>
12 #include <linux/interrupt.h>
13 #include <linux/kernel.h>
14 #include <linux/module.h>
15 #include <linux/of_address.h>
16 #include <linux/of_device.h>
17 #include <linux/platform_device.h>
18 #include <linux/pm_domain.h>
19 #include <linux/pm_runtime.h>
20 #include <linux/qcom_scm.h>
21 #include <linux/regulator/consumer.h>
22 #include <linux/remoteproc.h>
23 #include <linux/soc/qcom/mdt_loader.h>
24 #include <linux/soc/qcom/smem.h>
25 #include <linux/soc/qcom/smem_state.h>
27 #include "qcom_common.h"
28 #include "qcom_q6v5.h"
29 #include "remoteproc_internal.h"
32 int crash_reason_smem;
33 const char *firmware_name;
38 char **active_pd_names;
39 char **proxy_pd_names;
42 const char *sysmon_name;
50 struct qcom_q6v5 q6v5;
53 struct clk *aggre2_clk;
55 struct regulator *cx_supply;
56 struct regulator *px_supply;
58 struct device *active_pds[1];
59 struct device *proxy_pds[3];
65 int crash_reason_smem;
68 struct completion start_done;
69 struct completion stop_done;
72 phys_addr_t mem_reloc;
76 struct qcom_rproc_glink glink_subdev;
77 struct qcom_rproc_subdev smd_subdev;
78 struct qcom_rproc_ssr ssr_subdev;
79 struct qcom_sysmon *sysmon;
82 static int adsp_pds_enable(struct qcom_adsp *adsp, struct device **pds,
88 for (i = 0; i < pd_count; i++) {
89 dev_pm_genpd_set_performance_state(pds[i], INT_MAX);
90 ret = pm_runtime_get_sync(pds[i]);
98 for (i--; i >= 0; i--) {
99 dev_pm_genpd_set_performance_state(pds[i], 0);
100 pm_runtime_put(pds[i]);
106 static void adsp_pds_disable(struct qcom_adsp *adsp, struct device **pds,
111 for (i = 0; i < pd_count; i++) {
112 dev_pm_genpd_set_performance_state(pds[i], 0);
113 pm_runtime_put(pds[i]);
117 static int adsp_load(struct rproc *rproc, const struct firmware *fw)
119 struct qcom_adsp *adsp = (struct qcom_adsp *)rproc->priv;
121 return qcom_mdt_load(adsp->dev, fw, rproc->firmware, adsp->pas_id,
122 adsp->mem_region, adsp->mem_phys, adsp->mem_size,
127 static int adsp_start(struct rproc *rproc)
129 struct qcom_adsp *adsp = (struct qcom_adsp *)rproc->priv;
132 qcom_q6v5_prepare(&adsp->q6v5);
134 ret = adsp_pds_enable(adsp, adsp->active_pds, adsp->active_pd_count);
138 ret = adsp_pds_enable(adsp, adsp->proxy_pds, adsp->proxy_pd_count);
140 goto disable_active_pds;
142 ret = clk_prepare_enable(adsp->xo);
144 goto disable_proxy_pds;
146 ret = clk_prepare_enable(adsp->aggre2_clk);
150 ret = regulator_enable(adsp->cx_supply);
152 goto disable_aggre2_clk;
154 ret = regulator_enable(adsp->px_supply);
156 goto disable_cx_supply;
158 ret = qcom_scm_pas_auth_and_reset(adsp->pas_id);
161 "failed to authenticate image and release reset\n");
162 goto disable_px_supply;
165 ret = qcom_q6v5_wait_for_start(&adsp->q6v5, msecs_to_jiffies(5000));
166 if (ret == -ETIMEDOUT) {
167 dev_err(adsp->dev, "start timed out\n");
168 qcom_scm_pas_shutdown(adsp->pas_id);
169 goto disable_px_supply;
175 regulator_disable(adsp->px_supply);
177 regulator_disable(adsp->cx_supply);
179 clk_disable_unprepare(adsp->aggre2_clk);
181 clk_disable_unprepare(adsp->xo);
183 adsp_pds_disable(adsp, adsp->proxy_pds, adsp->proxy_pd_count);
185 adsp_pds_disable(adsp, adsp->active_pds, adsp->active_pd_count);
187 qcom_q6v5_unprepare(&adsp->q6v5);
192 static void qcom_pas_handover(struct qcom_q6v5 *q6v5)
194 struct qcom_adsp *adsp = container_of(q6v5, struct qcom_adsp, q6v5);
196 regulator_disable(adsp->px_supply);
197 regulator_disable(adsp->cx_supply);
198 clk_disable_unprepare(adsp->aggre2_clk);
199 clk_disable_unprepare(adsp->xo);
200 adsp_pds_disable(adsp, adsp->proxy_pds, adsp->proxy_pd_count);
203 static int adsp_stop(struct rproc *rproc)
205 struct qcom_adsp *adsp = (struct qcom_adsp *)rproc->priv;
209 ret = qcom_q6v5_request_stop(&adsp->q6v5);
210 if (ret == -ETIMEDOUT)
211 dev_err(adsp->dev, "timed out on wait\n");
213 ret = qcom_scm_pas_shutdown(adsp->pas_id);
215 dev_err(adsp->dev, "failed to shutdown: %d\n", ret);
217 adsp_pds_disable(adsp, adsp->active_pds, adsp->active_pd_count);
218 handover = qcom_q6v5_unprepare(&adsp->q6v5);
220 qcom_pas_handover(&adsp->q6v5);
225 static void *adsp_da_to_va(struct rproc *rproc, u64 da, size_t len)
227 struct qcom_adsp *adsp = (struct qcom_adsp *)rproc->priv;
230 offset = da - adsp->mem_reloc;
231 if (offset < 0 || offset + len > adsp->mem_size)
234 return adsp->mem_region + offset;
237 static unsigned long adsp_panic(struct rproc *rproc)
239 struct qcom_adsp *adsp = (struct qcom_adsp *)rproc->priv;
241 return qcom_q6v5_panic(&adsp->q6v5);
244 static const struct rproc_ops adsp_ops = {
247 .da_to_va = adsp_da_to_va,
248 .parse_fw = qcom_register_dump_segments,
253 static int adsp_init_clock(struct qcom_adsp *adsp)
257 adsp->xo = devm_clk_get(adsp->dev, "xo");
258 if (IS_ERR(adsp->xo)) {
259 ret = PTR_ERR(adsp->xo);
260 if (ret != -EPROBE_DEFER)
261 dev_err(adsp->dev, "failed to get xo clock");
265 if (adsp->has_aggre2_clk) {
266 adsp->aggre2_clk = devm_clk_get(adsp->dev, "aggre2");
267 if (IS_ERR(adsp->aggre2_clk)) {
268 ret = PTR_ERR(adsp->aggre2_clk);
269 if (ret != -EPROBE_DEFER)
271 "failed to get aggre2 clock");
279 static int adsp_init_regulator(struct qcom_adsp *adsp)
281 adsp->cx_supply = devm_regulator_get(adsp->dev, "cx");
282 if (IS_ERR(adsp->cx_supply))
283 return PTR_ERR(adsp->cx_supply);
285 regulator_set_load(adsp->cx_supply, 100000);
287 adsp->px_supply = devm_regulator_get(adsp->dev, "px");
288 return PTR_ERR_OR_ZERO(adsp->px_supply);
291 static int adsp_pds_attach(struct device *dev, struct device **devs,
301 /* Handle single power domain */
302 if (dev->pm_domain) {
304 pm_runtime_enable(dev);
308 while (pd_names[num_pds])
311 for (i = 0; i < num_pds; i++) {
312 devs[i] = dev_pm_domain_attach_by_name(dev, pd_names[i]);
313 if (IS_ERR_OR_NULL(devs[i])) {
314 ret = PTR_ERR(devs[i]) ? : -ENODATA;
322 for (i--; i >= 0; i--)
323 dev_pm_domain_detach(devs[i], false);
328 static void adsp_pds_detach(struct qcom_adsp *adsp, struct device **pds,
331 struct device *dev = adsp->dev;
334 /* Handle single power domain */
335 if (dev->pm_domain && pd_count) {
336 pm_runtime_disable(dev);
340 for (i = 0; i < pd_count; i++)
341 dev_pm_domain_detach(pds[i], false);
344 static int adsp_alloc_memory_region(struct qcom_adsp *adsp)
346 struct device_node *node;
350 node = of_parse_phandle(adsp->dev->of_node, "memory-region", 0);
352 dev_err(adsp->dev, "no memory-region specified\n");
356 ret = of_address_to_resource(node, 0, &r);
360 adsp->mem_phys = adsp->mem_reloc = r.start;
361 adsp->mem_size = resource_size(&r);
362 adsp->mem_region = devm_ioremap_wc(adsp->dev, adsp->mem_phys, adsp->mem_size);
363 if (!adsp->mem_region) {
364 dev_err(adsp->dev, "unable to map memory region: %pa+%zx\n",
365 &r.start, adsp->mem_size);
372 static int adsp_probe(struct platform_device *pdev)
374 const struct adsp_data *desc;
375 struct qcom_adsp *adsp;
380 desc = of_device_get_match_data(&pdev->dev);
384 if (!qcom_scm_is_available())
385 return -EPROBE_DEFER;
387 fw_name = desc->firmware_name;
388 ret = of_property_read_string(pdev->dev.of_node, "firmware-name",
390 if (ret < 0 && ret != -EINVAL)
393 rproc = rproc_alloc(&pdev->dev, pdev->name, &adsp_ops,
394 fw_name, sizeof(*adsp));
396 dev_err(&pdev->dev, "unable to allocate remoteproc\n");
400 rproc->auto_boot = desc->auto_boot;
402 adsp = (struct qcom_adsp *)rproc->priv;
403 adsp->dev = &pdev->dev;
405 adsp->pas_id = desc->pas_id;
406 adsp->has_aggre2_clk = desc->has_aggre2_clk;
407 platform_set_drvdata(pdev, adsp);
409 ret = adsp_alloc_memory_region(adsp);
413 ret = adsp_init_clock(adsp);
417 ret = adsp_init_regulator(adsp);
421 ret = adsp_pds_attach(&pdev->dev, adsp->active_pds,
422 desc->active_pd_names);
425 adsp->active_pd_count = ret;
427 ret = adsp_pds_attach(&pdev->dev, adsp->proxy_pds,
428 desc->proxy_pd_names);
430 goto detach_active_pds;
431 adsp->proxy_pd_count = ret;
433 ret = qcom_q6v5_init(&adsp->q6v5, pdev, rproc, desc->crash_reason_smem,
436 goto detach_proxy_pds;
438 qcom_add_glink_subdev(rproc, &adsp->glink_subdev);
439 qcom_add_smd_subdev(rproc, &adsp->smd_subdev);
440 qcom_add_ssr_subdev(rproc, &adsp->ssr_subdev, desc->ssr_name);
441 adsp->sysmon = qcom_add_sysmon_subdev(rproc,
444 if (IS_ERR(adsp->sysmon)) {
445 ret = PTR_ERR(adsp->sysmon);
446 goto detach_proxy_pds;
449 ret = rproc_add(rproc);
451 goto detach_proxy_pds;
456 adsp_pds_detach(adsp, adsp->proxy_pds, adsp->proxy_pd_count);
458 adsp_pds_detach(adsp, adsp->active_pds, adsp->active_pd_count);
465 static int adsp_remove(struct platform_device *pdev)
467 struct qcom_adsp *adsp = platform_get_drvdata(pdev);
469 rproc_del(adsp->rproc);
471 qcom_remove_glink_subdev(adsp->rproc, &adsp->glink_subdev);
472 qcom_remove_sysmon_subdev(adsp->sysmon);
473 qcom_remove_smd_subdev(adsp->rproc, &adsp->smd_subdev);
474 qcom_remove_ssr_subdev(adsp->rproc, &adsp->ssr_subdev);
475 rproc_free(adsp->rproc);
480 static const struct adsp_data adsp_resource_init = {
481 .crash_reason_smem = 423,
482 .firmware_name = "adsp.mdt",
484 .has_aggre2_clk = false,
487 .sysmon_name = "adsp",
491 static const struct adsp_data sm8150_adsp_resource = {
492 .crash_reason_smem = 423,
493 .firmware_name = "adsp.mdt",
495 .has_aggre2_clk = false,
497 .active_pd_names = (char*[]){
501 .proxy_pd_names = (char*[]){
506 .sysmon_name = "adsp",
510 static const struct adsp_data msm8998_adsp_resource = {
511 .crash_reason_smem = 423,
512 .firmware_name = "adsp.mdt",
514 .has_aggre2_clk = false,
516 .proxy_pd_names = (char*[]){
521 .sysmon_name = "adsp",
525 static const struct adsp_data cdsp_resource_init = {
526 .crash_reason_smem = 601,
527 .firmware_name = "cdsp.mdt",
529 .has_aggre2_clk = false,
532 .sysmon_name = "cdsp",
536 static const struct adsp_data sm8150_cdsp_resource = {
537 .crash_reason_smem = 601,
538 .firmware_name = "cdsp.mdt",
540 .has_aggre2_clk = false,
542 .active_pd_names = (char*[]){
546 .proxy_pd_names = (char*[]){
551 .sysmon_name = "cdsp",
555 static const struct adsp_data mpss_resource_init = {
556 .crash_reason_smem = 421,
557 .firmware_name = "modem.mdt",
559 .has_aggre2_clk = false,
561 .active_pd_names = (char*[]){
565 .proxy_pd_names = (char*[]){
571 .sysmon_name = "modem",
575 static const struct adsp_data slpi_resource_init = {
576 .crash_reason_smem = 424,
577 .firmware_name = "slpi.mdt",
579 .has_aggre2_clk = true,
582 .sysmon_name = "slpi",
586 static const struct adsp_data sm8150_slpi_resource = {
587 .crash_reason_smem = 424,
588 .firmware_name = "slpi.mdt",
590 .has_aggre2_clk = false,
592 .active_pd_names = (char*[]){
596 .proxy_pd_names = (char*[]){
602 .sysmon_name = "slpi",
606 static const struct adsp_data msm8998_slpi_resource = {
607 .crash_reason_smem = 424,
608 .firmware_name = "slpi.mdt",
610 .has_aggre2_clk = true,
612 .proxy_pd_names = (char*[]){
617 .sysmon_name = "slpi",
621 static const struct adsp_data wcss_resource_init = {
622 .crash_reason_smem = 421,
623 .firmware_name = "wcnss.mdt",
627 .sysmon_name = "wcnss",
631 static const struct of_device_id adsp_of_match[] = {
632 { .compatible = "qcom,msm8974-adsp-pil", .data = &adsp_resource_init},
633 { .compatible = "qcom,msm8996-adsp-pil", .data = &adsp_resource_init},
634 { .compatible = "qcom,msm8996-slpi-pil", .data = &slpi_resource_init},
635 { .compatible = "qcom,msm8998-adsp-pas", .data = &msm8998_adsp_resource},
636 { .compatible = "qcom,msm8998-slpi-pas", .data = &msm8998_slpi_resource},
637 { .compatible = "qcom,qcs404-adsp-pas", .data = &adsp_resource_init },
638 { .compatible = "qcom,qcs404-cdsp-pas", .data = &cdsp_resource_init },
639 { .compatible = "qcom,qcs404-wcss-pas", .data = &wcss_resource_init },
640 { .compatible = "qcom,sdm845-adsp-pas", .data = &adsp_resource_init},
641 { .compatible = "qcom,sdm845-cdsp-pas", .data = &cdsp_resource_init},
642 { .compatible = "qcom,sm8150-adsp-pas", .data = &sm8150_adsp_resource},
643 { .compatible = "qcom,sm8150-cdsp-pas", .data = &sm8150_cdsp_resource},
644 { .compatible = "qcom,sm8150-mpss-pas", .data = &mpss_resource_init},
645 { .compatible = "qcom,sm8150-slpi-pas", .data = &sm8150_slpi_resource},
648 MODULE_DEVICE_TABLE(of, adsp_of_match);
650 static struct platform_driver adsp_driver = {
652 .remove = adsp_remove,
654 .name = "qcom_q6v5_pas",
655 .of_match_table = adsp_of_match,
659 module_platform_driver(adsp_driver);
660 MODULE_DESCRIPTION("Qualcomm Hexagon v5 Peripheral Authentication Service driver");
661 MODULE_LICENSE("GPL v2");