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_pil_info.h"
29 #include "qcom_q6v5.h"
30 #include "remoteproc_internal.h"
33 int crash_reason_smem;
34 const char *firmware_name;
36 unsigned int minidump_id;
40 char **proxy_pd_names;
42 const char *load_state;
44 const char *sysmon_name;
52 struct qcom_q6v5 q6v5;
55 struct clk *aggre2_clk;
57 struct regulator *cx_supply;
58 struct regulator *px_supply;
60 struct device *proxy_pds[3];
65 unsigned int minidump_id;
66 int crash_reason_smem;
68 const char *info_name;
70 struct completion start_done;
71 struct completion stop_done;
74 phys_addr_t mem_reloc;
78 struct qcom_rproc_glink glink_subdev;
79 struct qcom_rproc_subdev smd_subdev;
80 struct qcom_rproc_ssr ssr_subdev;
81 struct qcom_sysmon *sysmon;
83 struct qcom_scm_pas_metadata pas_metadata;
86 static void adsp_minidump(struct rproc *rproc)
88 struct qcom_adsp *adsp = rproc->priv;
90 qcom_minidump(rproc, adsp->minidump_id);
93 static int adsp_pds_enable(struct qcom_adsp *adsp, struct device **pds,
99 for (i = 0; i < pd_count; i++) {
100 dev_pm_genpd_set_performance_state(pds[i], INT_MAX);
101 ret = pm_runtime_get_sync(pds[i]);
103 pm_runtime_put_noidle(pds[i]);
104 dev_pm_genpd_set_performance_state(pds[i], 0);
105 goto unroll_pd_votes;
112 for (i--; i >= 0; i--) {
113 dev_pm_genpd_set_performance_state(pds[i], 0);
114 pm_runtime_put(pds[i]);
120 static void adsp_pds_disable(struct qcom_adsp *adsp, struct device **pds,
125 for (i = 0; i < pd_count; i++) {
126 dev_pm_genpd_set_performance_state(pds[i], 0);
127 pm_runtime_put(pds[i]);
131 static int adsp_unprepare(struct rproc *rproc)
133 struct qcom_adsp *adsp = (struct qcom_adsp *)rproc->priv;
136 * adsp_load() did pass pas_metadata to the SCM driver for storing
137 * metadata context. It might have been released already if
138 * auth_and_reset() was successful, but in other cases clean it up
141 qcom_scm_pas_metadata_release(&adsp->pas_metadata);
146 static int adsp_load(struct rproc *rproc, const struct firmware *fw)
148 struct qcom_adsp *adsp = (struct qcom_adsp *)rproc->priv;
151 ret = qcom_mdt_pas_init(adsp->dev, fw, rproc->firmware, adsp->pas_id,
152 adsp->mem_phys, &adsp->pas_metadata);
156 ret = qcom_mdt_load_no_init(adsp->dev, fw, rproc->firmware, adsp->pas_id,
157 adsp->mem_region, adsp->mem_phys, adsp->mem_size,
162 qcom_pil_info_store(adsp->info_name, adsp->mem_phys, adsp->mem_size);
167 static int adsp_start(struct rproc *rproc)
169 struct qcom_adsp *adsp = (struct qcom_adsp *)rproc->priv;
172 ret = qcom_q6v5_prepare(&adsp->q6v5);
176 ret = adsp_pds_enable(adsp, adsp->proxy_pds, adsp->proxy_pd_count);
180 ret = clk_prepare_enable(adsp->xo);
182 goto disable_proxy_pds;
184 ret = clk_prepare_enable(adsp->aggre2_clk);
188 ret = regulator_enable(adsp->cx_supply);
190 goto disable_aggre2_clk;
192 ret = regulator_enable(adsp->px_supply);
194 goto disable_cx_supply;
196 ret = qcom_scm_pas_auth_and_reset(adsp->pas_id);
199 "failed to authenticate image and release reset\n");
200 goto disable_px_supply;
203 ret = qcom_q6v5_wait_for_start(&adsp->q6v5, msecs_to_jiffies(5000));
204 if (ret == -ETIMEDOUT) {
205 dev_err(adsp->dev, "start timed out\n");
206 qcom_scm_pas_shutdown(adsp->pas_id);
207 goto disable_px_supply;
210 qcom_scm_pas_metadata_release(&adsp->pas_metadata);
215 regulator_disable(adsp->px_supply);
217 regulator_disable(adsp->cx_supply);
219 clk_disable_unprepare(adsp->aggre2_clk);
221 clk_disable_unprepare(adsp->xo);
223 adsp_pds_disable(adsp, adsp->proxy_pds, adsp->proxy_pd_count);
225 qcom_q6v5_unprepare(&adsp->q6v5);
230 static void qcom_pas_handover(struct qcom_q6v5 *q6v5)
232 struct qcom_adsp *adsp = container_of(q6v5, struct qcom_adsp, q6v5);
234 regulator_disable(adsp->px_supply);
235 regulator_disable(adsp->cx_supply);
236 clk_disable_unprepare(adsp->aggre2_clk);
237 clk_disable_unprepare(adsp->xo);
238 adsp_pds_disable(adsp, adsp->proxy_pds, adsp->proxy_pd_count);
241 static int adsp_stop(struct rproc *rproc)
243 struct qcom_adsp *adsp = (struct qcom_adsp *)rproc->priv;
247 ret = qcom_q6v5_request_stop(&adsp->q6v5, adsp->sysmon);
248 if (ret == -ETIMEDOUT)
249 dev_err(adsp->dev, "timed out on wait\n");
251 ret = qcom_scm_pas_shutdown(adsp->pas_id);
253 dev_err(adsp->dev, "failed to shutdown: %d\n", ret);
255 handover = qcom_q6v5_unprepare(&adsp->q6v5);
257 qcom_pas_handover(&adsp->q6v5);
262 static void *adsp_da_to_va(struct rproc *rproc, u64 da, size_t len, bool *is_iomem)
264 struct qcom_adsp *adsp = (struct qcom_adsp *)rproc->priv;
267 offset = da - adsp->mem_reloc;
268 if (offset < 0 || offset + len > adsp->mem_size)
271 return adsp->mem_region + offset;
274 static unsigned long adsp_panic(struct rproc *rproc)
276 struct qcom_adsp *adsp = (struct qcom_adsp *)rproc->priv;
278 return qcom_q6v5_panic(&adsp->q6v5);
281 static const struct rproc_ops adsp_ops = {
282 .unprepare = adsp_unprepare,
285 .da_to_va = adsp_da_to_va,
286 .parse_fw = qcom_register_dump_segments,
291 static const struct rproc_ops adsp_minidump_ops = {
292 .unprepare = adsp_unprepare,
295 .da_to_va = adsp_da_to_va,
298 .coredump = adsp_minidump,
301 static int adsp_init_clock(struct qcom_adsp *adsp)
305 adsp->xo = devm_clk_get(adsp->dev, "xo");
306 if (IS_ERR(adsp->xo)) {
307 ret = PTR_ERR(adsp->xo);
308 if (ret != -EPROBE_DEFER)
309 dev_err(adsp->dev, "failed to get xo clock");
313 if (adsp->has_aggre2_clk) {
314 adsp->aggre2_clk = devm_clk_get(adsp->dev, "aggre2");
315 if (IS_ERR(adsp->aggre2_clk)) {
316 ret = PTR_ERR(adsp->aggre2_clk);
317 if (ret != -EPROBE_DEFER)
319 "failed to get aggre2 clock");
327 static int adsp_init_regulator(struct qcom_adsp *adsp)
329 adsp->cx_supply = devm_regulator_get(adsp->dev, "cx");
330 if (IS_ERR(adsp->cx_supply))
331 return PTR_ERR(adsp->cx_supply);
333 regulator_set_load(adsp->cx_supply, 100000);
335 adsp->px_supply = devm_regulator_get(adsp->dev, "px");
336 return PTR_ERR_OR_ZERO(adsp->px_supply);
339 static int adsp_pds_attach(struct device *dev, struct device **devs,
349 /* Handle single power domain */
350 if (dev->pm_domain) {
352 pm_runtime_enable(dev);
356 while (pd_names[num_pds])
359 for (i = 0; i < num_pds; i++) {
360 devs[i] = dev_pm_domain_attach_by_name(dev, pd_names[i]);
361 if (IS_ERR_OR_NULL(devs[i])) {
362 ret = PTR_ERR(devs[i]) ? : -ENODATA;
370 for (i--; i >= 0; i--)
371 dev_pm_domain_detach(devs[i], false);
376 static void adsp_pds_detach(struct qcom_adsp *adsp, struct device **pds,
379 struct device *dev = adsp->dev;
382 /* Handle single power domain */
383 if (dev->pm_domain && pd_count) {
384 pm_runtime_disable(dev);
388 for (i = 0; i < pd_count; i++)
389 dev_pm_domain_detach(pds[i], false);
392 static int adsp_alloc_memory_region(struct qcom_adsp *adsp)
394 struct device_node *node;
398 node = of_parse_phandle(adsp->dev->of_node, "memory-region", 0);
400 dev_err(adsp->dev, "no memory-region specified\n");
404 ret = of_address_to_resource(node, 0, &r);
408 adsp->mem_phys = adsp->mem_reloc = r.start;
409 adsp->mem_size = resource_size(&r);
410 adsp->mem_region = devm_ioremap_wc(adsp->dev, adsp->mem_phys, adsp->mem_size);
411 if (!adsp->mem_region) {
412 dev_err(adsp->dev, "unable to map memory region: %pa+%zx\n",
413 &r.start, adsp->mem_size);
420 static int adsp_probe(struct platform_device *pdev)
422 const struct adsp_data *desc;
423 struct qcom_adsp *adsp;
426 const struct rproc_ops *ops = &adsp_ops;
429 desc = of_device_get_match_data(&pdev->dev);
433 if (!qcom_scm_is_available())
434 return -EPROBE_DEFER;
436 fw_name = desc->firmware_name;
437 ret = of_property_read_string(pdev->dev.of_node, "firmware-name",
439 if (ret < 0 && ret != -EINVAL)
442 if (desc->minidump_id)
443 ops = &adsp_minidump_ops;
445 rproc = rproc_alloc(&pdev->dev, pdev->name, ops, fw_name, sizeof(*adsp));
448 dev_err(&pdev->dev, "unable to allocate remoteproc\n");
452 rproc->auto_boot = desc->auto_boot;
453 rproc_coredump_set_elf_info(rproc, ELFCLASS32, EM_NONE);
455 adsp = (struct qcom_adsp *)rproc->priv;
456 adsp->dev = &pdev->dev;
458 adsp->minidump_id = desc->minidump_id;
459 adsp->pas_id = desc->pas_id;
460 adsp->has_aggre2_clk = desc->has_aggre2_clk;
461 adsp->info_name = desc->sysmon_name;
462 platform_set_drvdata(pdev, adsp);
464 device_wakeup_enable(adsp->dev);
466 ret = adsp_alloc_memory_region(adsp);
470 ret = adsp_init_clock(adsp);
474 ret = adsp_init_regulator(adsp);
478 ret = adsp_pds_attach(&pdev->dev, adsp->proxy_pds,
479 desc->proxy_pd_names);
482 adsp->proxy_pd_count = ret;
484 ret = qcom_q6v5_init(&adsp->q6v5, pdev, rproc, desc->crash_reason_smem, desc->load_state,
487 goto detach_proxy_pds;
489 qcom_add_glink_subdev(rproc, &adsp->glink_subdev, desc->ssr_name);
490 qcom_add_smd_subdev(rproc, &adsp->smd_subdev);
491 qcom_add_ssr_subdev(rproc, &adsp->ssr_subdev, desc->ssr_name);
492 adsp->sysmon = qcom_add_sysmon_subdev(rproc,
495 if (IS_ERR(adsp->sysmon)) {
496 ret = PTR_ERR(adsp->sysmon);
497 goto detach_proxy_pds;
500 ret = rproc_add(rproc);
502 goto detach_proxy_pds;
507 adsp_pds_detach(adsp, adsp->proxy_pds, adsp->proxy_pd_count);
514 static int adsp_remove(struct platform_device *pdev)
516 struct qcom_adsp *adsp = platform_get_drvdata(pdev);
518 rproc_del(adsp->rproc);
520 qcom_q6v5_deinit(&adsp->q6v5);
521 qcom_remove_glink_subdev(adsp->rproc, &adsp->glink_subdev);
522 qcom_remove_sysmon_subdev(adsp->sysmon);
523 qcom_remove_smd_subdev(adsp->rproc, &adsp->smd_subdev);
524 qcom_remove_ssr_subdev(adsp->rproc, &adsp->ssr_subdev);
525 rproc_free(adsp->rproc);
530 static const struct adsp_data adsp_resource_init = {
531 .crash_reason_smem = 423,
532 .firmware_name = "adsp.mdt",
534 .has_aggre2_clk = false,
537 .sysmon_name = "adsp",
541 static const struct adsp_data sdm845_adsp_resource_init = {
542 .crash_reason_smem = 423,
543 .firmware_name = "adsp.mdt",
545 .has_aggre2_clk = false,
547 .load_state = "adsp",
549 .sysmon_name = "adsp",
553 static const struct adsp_data sm6350_adsp_resource = {
554 .crash_reason_smem = 423,
555 .firmware_name = "adsp.mdt",
557 .has_aggre2_clk = false,
559 .proxy_pd_names = (char*[]){
564 .load_state = "adsp",
566 .sysmon_name = "adsp",
570 static const struct adsp_data sm8150_adsp_resource = {
571 .crash_reason_smem = 423,
572 .firmware_name = "adsp.mdt",
574 .has_aggre2_clk = false,
576 .proxy_pd_names = (char*[]){
580 .load_state = "adsp",
582 .sysmon_name = "adsp",
586 static const struct adsp_data sm8250_adsp_resource = {
587 .crash_reason_smem = 423,
588 .firmware_name = "adsp.mdt",
590 .has_aggre2_clk = false,
592 .proxy_pd_names = (char*[]){
597 .load_state = "adsp",
599 .sysmon_name = "adsp",
603 static const struct adsp_data sm8350_adsp_resource = {
604 .crash_reason_smem = 423,
605 .firmware_name = "adsp.mdt",
607 .has_aggre2_clk = false,
609 .proxy_pd_names = (char*[]){
614 .load_state = "adsp",
616 .sysmon_name = "adsp",
620 static const struct adsp_data msm8996_adsp_resource = {
621 .crash_reason_smem = 423,
622 .firmware_name = "adsp.mdt",
624 .has_aggre2_clk = false,
626 .proxy_pd_names = (char*[]){
631 .sysmon_name = "adsp",
635 static const struct adsp_data cdsp_resource_init = {
636 .crash_reason_smem = 601,
637 .firmware_name = "cdsp.mdt",
639 .has_aggre2_clk = false,
642 .sysmon_name = "cdsp",
646 static const struct adsp_data sdm845_cdsp_resource_init = {
647 .crash_reason_smem = 601,
648 .firmware_name = "cdsp.mdt",
650 .has_aggre2_clk = false,
652 .load_state = "cdsp",
654 .sysmon_name = "cdsp",
658 static const struct adsp_data sm6350_cdsp_resource = {
659 .crash_reason_smem = 601,
660 .firmware_name = "cdsp.mdt",
662 .has_aggre2_clk = false,
664 .proxy_pd_names = (char*[]){
669 .load_state = "cdsp",
671 .sysmon_name = "cdsp",
675 static const struct adsp_data sm8150_cdsp_resource = {
676 .crash_reason_smem = 601,
677 .firmware_name = "cdsp.mdt",
679 .has_aggre2_clk = false,
681 .proxy_pd_names = (char*[]){
685 .load_state = "cdsp",
687 .sysmon_name = "cdsp",
691 static const struct adsp_data sm8250_cdsp_resource = {
692 .crash_reason_smem = 601,
693 .firmware_name = "cdsp.mdt",
695 .has_aggre2_clk = false,
697 .proxy_pd_names = (char*[]){
701 .load_state = "cdsp",
703 .sysmon_name = "cdsp",
707 static const struct adsp_data sc8280xp_nsp0_resource = {
708 .crash_reason_smem = 601,
709 .firmware_name = "cdsp.mdt",
711 .has_aggre2_clk = false,
713 .proxy_pd_names = (char*[]){
718 .sysmon_name = "cdsp",
722 static const struct adsp_data sc8280xp_nsp1_resource = {
723 .crash_reason_smem = 633,
724 .firmware_name = "cdsp.mdt",
726 .has_aggre2_clk = false,
728 .proxy_pd_names = (char*[]){
733 .sysmon_name = "cdsp1",
737 static const struct adsp_data sm8350_cdsp_resource = {
738 .crash_reason_smem = 601,
739 .firmware_name = "cdsp.mdt",
741 .has_aggre2_clk = false,
743 .proxy_pd_names = (char*[]){
748 .load_state = "cdsp",
750 .sysmon_name = "cdsp",
754 static const struct adsp_data mpss_resource_init = {
755 .crash_reason_smem = 421,
756 .firmware_name = "modem.mdt",
759 .has_aggre2_clk = false,
761 .proxy_pd_names = (char*[]){
766 .load_state = "modem",
768 .sysmon_name = "modem",
772 static const struct adsp_data sc8180x_mpss_resource = {
773 .crash_reason_smem = 421,
774 .firmware_name = "modem.mdt",
776 .has_aggre2_clk = false,
778 .proxy_pd_names = (char*[]){
782 .load_state = "modem",
784 .sysmon_name = "modem",
788 static const struct adsp_data slpi_resource_init = {
789 .crash_reason_smem = 424,
790 .firmware_name = "slpi.mdt",
792 .has_aggre2_clk = true,
794 .proxy_pd_names = (char*[]){
799 .sysmon_name = "slpi",
803 static const struct adsp_data sm8150_slpi_resource = {
804 .crash_reason_smem = 424,
805 .firmware_name = "slpi.mdt",
807 .has_aggre2_clk = false,
809 .proxy_pd_names = (char*[]){
814 .load_state = "slpi",
816 .sysmon_name = "slpi",
820 static const struct adsp_data sm8250_slpi_resource = {
821 .crash_reason_smem = 424,
822 .firmware_name = "slpi.mdt",
824 .has_aggre2_clk = false,
826 .proxy_pd_names = (char*[]){
831 .load_state = "slpi",
833 .sysmon_name = "slpi",
837 static const struct adsp_data sm8350_slpi_resource = {
838 .crash_reason_smem = 424,
839 .firmware_name = "slpi.mdt",
841 .has_aggre2_clk = false,
843 .proxy_pd_names = (char*[]){
848 .load_state = "slpi",
850 .sysmon_name = "slpi",
854 static const struct adsp_data wcss_resource_init = {
855 .crash_reason_smem = 421,
856 .firmware_name = "wcnss.mdt",
860 .sysmon_name = "wcnss",
864 static const struct adsp_data sdx55_mpss_resource = {
865 .crash_reason_smem = 421,
866 .firmware_name = "modem.mdt",
868 .has_aggre2_clk = false,
870 .proxy_pd_names = (char*[]){
876 .sysmon_name = "modem",
880 static const struct of_device_id adsp_of_match[] = {
881 { .compatible = "qcom,msm8226-adsp-pil", .data = &adsp_resource_init},
882 { .compatible = "qcom,msm8974-adsp-pil", .data = &adsp_resource_init},
883 { .compatible = "qcom,msm8996-adsp-pil", .data = &msm8996_adsp_resource},
884 { .compatible = "qcom,msm8996-slpi-pil", .data = &slpi_resource_init},
885 { .compatible = "qcom,msm8998-adsp-pas", .data = &msm8996_adsp_resource},
886 { .compatible = "qcom,msm8998-slpi-pas", .data = &slpi_resource_init},
887 { .compatible = "qcom,qcs404-adsp-pas", .data = &adsp_resource_init },
888 { .compatible = "qcom,qcs404-cdsp-pas", .data = &cdsp_resource_init },
889 { .compatible = "qcom,qcs404-wcss-pas", .data = &wcss_resource_init },
890 { .compatible = "qcom,sc7180-mpss-pas", .data = &mpss_resource_init},
891 { .compatible = "qcom,sc7280-mpss-pas", .data = &mpss_resource_init},
892 { .compatible = "qcom,sc8180x-adsp-pas", .data = &sm8150_adsp_resource},
893 { .compatible = "qcom,sc8180x-cdsp-pas", .data = &sm8150_cdsp_resource},
894 { .compatible = "qcom,sc8180x-mpss-pas", .data = &sc8180x_mpss_resource},
895 { .compatible = "qcom,sc8280xp-adsp-pas", .data = &sm8250_adsp_resource},
896 { .compatible = "qcom,sc8280xp-nsp0-pas", .data = &sc8280xp_nsp0_resource},
897 { .compatible = "qcom,sc8280xp-nsp1-pas", .data = &sc8280xp_nsp1_resource},
898 { .compatible = "qcom,sdm660-adsp-pas", .data = &adsp_resource_init},
899 { .compatible = "qcom,sdm845-adsp-pas", .data = &sdm845_adsp_resource_init},
900 { .compatible = "qcom,sdm845-cdsp-pas", .data = &sdm845_cdsp_resource_init},
901 { .compatible = "qcom,sdx55-mpss-pas", .data = &sdx55_mpss_resource},
902 { .compatible = "qcom,sm6350-adsp-pas", .data = &sm6350_adsp_resource},
903 { .compatible = "qcom,sm6350-cdsp-pas", .data = &sm6350_cdsp_resource},
904 { .compatible = "qcom,sm6350-mpss-pas", .data = &mpss_resource_init},
905 { .compatible = "qcom,sm8150-adsp-pas", .data = &sm8150_adsp_resource},
906 { .compatible = "qcom,sm8150-cdsp-pas", .data = &sm8150_cdsp_resource},
907 { .compatible = "qcom,sm8150-mpss-pas", .data = &mpss_resource_init},
908 { .compatible = "qcom,sm8150-slpi-pas", .data = &sm8150_slpi_resource},
909 { .compatible = "qcom,sm8250-adsp-pas", .data = &sm8250_adsp_resource},
910 { .compatible = "qcom,sm8250-cdsp-pas", .data = &sm8250_cdsp_resource},
911 { .compatible = "qcom,sm8250-slpi-pas", .data = &sm8250_slpi_resource},
912 { .compatible = "qcom,sm8350-adsp-pas", .data = &sm8350_adsp_resource},
913 { .compatible = "qcom,sm8350-cdsp-pas", .data = &sm8350_cdsp_resource},
914 { .compatible = "qcom,sm8350-slpi-pas", .data = &sm8350_slpi_resource},
915 { .compatible = "qcom,sm8350-mpss-pas", .data = &mpss_resource_init},
916 { .compatible = "qcom,sm8450-adsp-pas", .data = &sm8350_adsp_resource},
917 { .compatible = "qcom,sm8450-cdsp-pas", .data = &sm8350_cdsp_resource},
918 { .compatible = "qcom,sm8450-slpi-pas", .data = &sm8350_slpi_resource},
919 { .compatible = "qcom,sm8450-mpss-pas", .data = &mpss_resource_init},
922 MODULE_DEVICE_TABLE(of, adsp_of_match);
924 static struct platform_driver adsp_driver = {
926 .remove = adsp_remove,
928 .name = "qcom_q6v5_pas",
929 .of_match_table = adsp_of_match,
933 module_platform_driver(adsp_driver);
934 MODULE_DESCRIPTION("Qualcomm Hexagon v5 Peripheral Authentication Service driver");
935 MODULE_LICENSE("GPL v2");