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authorBjorn Andersson <bjorn.andersson@linaro.org>2018-09-25 01:45:25 +0200
committerBjorn Andersson <bjorn.andersson@linaro.org>2018-09-26 19:11:20 +0200
commit9e004f97161d637d2dc82299be494bcfd07043bb (patch)
tree0774ac24fcfe281ba55e61d9b29dc9b934bdbfbf /drivers/remoteproc/qcom_adsp_pil.c
parentremoteproc: qcom: q6v5: Propagate EPROBE_DEFER (diff)
downloadlinux-9e004f97161d637d2dc82299be494bcfd07043bb.tar.xz
linux-9e004f97161d637d2dc82299be494bcfd07043bb.zip
remoteproc: qcom: Rename Hexagon v5 PAS driver
The Hexagon v5 ADSP driver is used for more than only the ADSP and there's an upcoming non-PAS ADSP PIL for SDM845, so rename the driver to qcom_q6v5_pas in order to better suite this. Cc: Rohit kumar <rohitkr@codeaurora.org> Reviewed-by: Niklas Cassel <niklas.cassel@linaro.org> Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Diffstat (limited to 'drivers/remoteproc/qcom_adsp_pil.c')
-rw-r--r--drivers/remoteproc/qcom_adsp_pil.c386
1 files changed, 0 insertions, 386 deletions
diff --git a/drivers/remoteproc/qcom_adsp_pil.c b/drivers/remoteproc/qcom_adsp_pil.c
deleted file mode 100644
index da2254ea1135..000000000000
--- a/drivers/remoteproc/qcom_adsp_pil.c
+++ /dev/null
@@ -1,386 +0,0 @@
-/*
- * Qualcomm ADSP/SLPI Peripheral Image Loader for MSM8974 and MSM8996
- *
- * Copyright (C) 2016 Linaro Ltd
- * Copyright (C) 2014 Sony Mobile Communications AB
- * Copyright (c) 2012-2013, The Linux Foundation. All rights reserved.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * version 2 as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- */
-
-#include <linux/clk.h>
-#include <linux/firmware.h>
-#include <linux/interrupt.h>
-#include <linux/kernel.h>
-#include <linux/module.h>
-#include <linux/of_address.h>
-#include <linux/of_device.h>
-#include <linux/platform_device.h>
-#include <linux/qcom_scm.h>
-#include <linux/regulator/consumer.h>
-#include <linux/remoteproc.h>
-#include <linux/soc/qcom/mdt_loader.h>
-#include <linux/soc/qcom/smem.h>
-#include <linux/soc/qcom/smem_state.h>
-
-#include "qcom_common.h"
-#include "qcom_q6v5.h"
-#include "remoteproc_internal.h"
-
-struct adsp_data {
- int crash_reason_smem;
- const char *firmware_name;
- int pas_id;
- bool has_aggre2_clk;
-
- const char *ssr_name;
- const char *sysmon_name;
- int ssctl_id;
-};
-
-struct qcom_adsp {
- struct device *dev;
- struct rproc *rproc;
-
- struct qcom_q6v5 q6v5;
-
- struct clk *xo;
- struct clk *aggre2_clk;
-
- struct regulator *cx_supply;
- struct regulator *px_supply;
-
- int pas_id;
- int crash_reason_smem;
- bool has_aggre2_clk;
-
- struct completion start_done;
- struct completion stop_done;
-
- phys_addr_t mem_phys;
- phys_addr_t mem_reloc;
- void *mem_region;
- size_t mem_size;
-
- struct qcom_rproc_glink glink_subdev;
- struct qcom_rproc_subdev smd_subdev;
- struct qcom_rproc_ssr ssr_subdev;
- struct qcom_sysmon *sysmon;
-};
-
-static int adsp_load(struct rproc *rproc, const struct firmware *fw)
-{
- struct qcom_adsp *adsp = (struct qcom_adsp *)rproc->priv;
-
- return qcom_mdt_load(adsp->dev, fw, rproc->firmware, adsp->pas_id,
- adsp->mem_region, adsp->mem_phys, adsp->mem_size,
- &adsp->mem_reloc);
-
-}
-
-static int adsp_start(struct rproc *rproc)
-{
- struct qcom_adsp *adsp = (struct qcom_adsp *)rproc->priv;
- int ret;
-
- qcom_q6v5_prepare(&adsp->q6v5);
-
- ret = clk_prepare_enable(adsp->xo);
- if (ret)
- return ret;
-
- ret = clk_prepare_enable(adsp->aggre2_clk);
- if (ret)
- goto disable_xo_clk;
-
- ret = regulator_enable(adsp->cx_supply);
- if (ret)
- goto disable_aggre2_clk;
-
- ret = regulator_enable(adsp->px_supply);
- if (ret)
- goto disable_cx_supply;
-
- ret = qcom_scm_pas_auth_and_reset(adsp->pas_id);
- if (ret) {
- dev_err(adsp->dev,
- "failed to authenticate image and release reset\n");
- goto disable_px_supply;
- }
-
- ret = qcom_q6v5_wait_for_start(&adsp->q6v5, msecs_to_jiffies(5000));
- if (ret == -ETIMEDOUT) {
- dev_err(adsp->dev, "start timed out\n");
- qcom_scm_pas_shutdown(adsp->pas_id);
- goto disable_px_supply;
- }
-
- return 0;
-
-disable_px_supply:
- regulator_disable(adsp->px_supply);
-disable_cx_supply:
- regulator_disable(adsp->cx_supply);
-disable_aggre2_clk:
- clk_disable_unprepare(adsp->aggre2_clk);
-disable_xo_clk:
- clk_disable_unprepare(adsp->xo);
-
- return ret;
-}
-
-static void qcom_pas_handover(struct qcom_q6v5 *q6v5)
-{
- struct qcom_adsp *adsp = container_of(q6v5, struct qcom_adsp, q6v5);
-
- regulator_disable(adsp->px_supply);
- regulator_disable(adsp->cx_supply);
- clk_disable_unprepare(adsp->aggre2_clk);
- clk_disable_unprepare(adsp->xo);
-}
-
-static int adsp_stop(struct rproc *rproc)
-{
- struct qcom_adsp *adsp = (struct qcom_adsp *)rproc->priv;
- int handover;
- int ret;
-
- ret = qcom_q6v5_request_stop(&adsp->q6v5);
- if (ret == -ETIMEDOUT)
- dev_err(adsp->dev, "timed out on wait\n");
-
- ret = qcom_scm_pas_shutdown(adsp->pas_id);
- if (ret)
- dev_err(adsp->dev, "failed to shutdown: %d\n", ret);
-
- handover = qcom_q6v5_unprepare(&adsp->q6v5);
- if (handover)
- qcom_pas_handover(&adsp->q6v5);
-
- return ret;
-}
-
-static void *adsp_da_to_va(struct rproc *rproc, u64 da, int len)
-{
- struct qcom_adsp *adsp = (struct qcom_adsp *)rproc->priv;
- int offset;
-
- offset = da - adsp->mem_reloc;
- if (offset < 0 || offset + len > adsp->mem_size)
- return NULL;
-
- return adsp->mem_region + offset;
-}
-
-static const struct rproc_ops adsp_ops = {
- .start = adsp_start,
- .stop = adsp_stop,
- .da_to_va = adsp_da_to_va,
- .parse_fw = qcom_register_dump_segments,
- .load = adsp_load,
-};
-
-static int adsp_init_clock(struct qcom_adsp *adsp)
-{
- int ret;
-
- adsp->xo = devm_clk_get(adsp->dev, "xo");
- if (IS_ERR(adsp->xo)) {
- ret = PTR_ERR(adsp->xo);
- if (ret != -EPROBE_DEFER)
- dev_err(adsp->dev, "failed to get xo clock");
- return ret;
- }
-
- if (adsp->has_aggre2_clk) {
- adsp->aggre2_clk = devm_clk_get(adsp->dev, "aggre2");
- if (IS_ERR(adsp->aggre2_clk)) {
- ret = PTR_ERR(adsp->aggre2_clk);
- if (ret != -EPROBE_DEFER)
- dev_err(adsp->dev,
- "failed to get aggre2 clock");
- return ret;
- }
- }
-
- return 0;
-}
-
-static int adsp_init_regulator(struct qcom_adsp *adsp)
-{
- adsp->cx_supply = devm_regulator_get(adsp->dev, "cx");
- if (IS_ERR(adsp->cx_supply))
- return PTR_ERR(adsp->cx_supply);
-
- regulator_set_load(adsp->cx_supply, 100000);
-
- adsp->px_supply = devm_regulator_get(adsp->dev, "px");
- return PTR_ERR_OR_ZERO(adsp->px_supply);
-}
-
-static int adsp_alloc_memory_region(struct qcom_adsp *adsp)
-{
- struct device_node *node;
- struct resource r;
- int ret;
-
- node = of_parse_phandle(adsp->dev->of_node, "memory-region", 0);
- if (!node) {
- dev_err(adsp->dev, "no memory-region specified\n");
- return -EINVAL;
- }
-
- ret = of_address_to_resource(node, 0, &r);
- if (ret)
- return ret;
-
- adsp->mem_phys = adsp->mem_reloc = r.start;
- adsp->mem_size = resource_size(&r);
- adsp->mem_region = devm_ioremap_wc(adsp->dev, adsp->mem_phys, adsp->mem_size);
- if (!adsp->mem_region) {
- dev_err(adsp->dev, "unable to map memory region: %pa+%zx\n",
- &r.start, adsp->mem_size);
- return -EBUSY;
- }
-
- return 0;
-}
-
-static int adsp_probe(struct platform_device *pdev)
-{
- const struct adsp_data *desc;
- struct qcom_adsp *adsp;
- struct rproc *rproc;
- int ret;
-
- desc = of_device_get_match_data(&pdev->dev);
- if (!desc)
- return -EINVAL;
-
- if (!qcom_scm_is_available())
- return -EPROBE_DEFER;
-
- 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;
- adsp->pas_id = desc->pas_id;
- adsp->has_aggre2_clk = desc->has_aggre2_clk;
- 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;
-
- ret = adsp_init_regulator(adsp);
- if (ret)
- goto free_rproc;
-
- ret = qcom_q6v5_init(&adsp->q6v5, pdev, rproc, desc->crash_reason_smem,
- qcom_pas_handover);
- if (ret)
- goto free_rproc;
-
- qcom_add_glink_subdev(rproc, &adsp->glink_subdev);
- qcom_add_smd_subdev(rproc, &adsp->smd_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 free_rproc;
-
- return 0;
-
-free_rproc:
- rproc_free(rproc);
-
- return ret;
-}
-
-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_smd_subdev(adsp->rproc, &adsp->smd_subdev);
- qcom_remove_ssr_subdev(adsp->rproc, &adsp->ssr_subdev);
- rproc_free(adsp->rproc);
-
- return 0;
-}
-
-static const struct adsp_data adsp_resource_init = {
- .crash_reason_smem = 423,
- .firmware_name = "adsp.mdt",
- .pas_id = 1,
- .has_aggre2_clk = false,
- .ssr_name = "lpass",
- .sysmon_name = "adsp",
- .ssctl_id = 0x14,
-};
-
-static const struct adsp_data cdsp_resource_init = {
- .crash_reason_smem = 601,
- .firmware_name = "cdsp.mdt",
- .pas_id = 18,
- .has_aggre2_clk = false,
- .ssr_name = "cdsp",
- .sysmon_name = "cdsp",
- .ssctl_id = 0x17,
-};
-
-static const struct adsp_data slpi_resource_init = {
- .crash_reason_smem = 424,
- .firmware_name = "slpi.mdt",
- .pas_id = 12,
- .has_aggre2_clk = true,
- .ssr_name = "dsps",
- .sysmon_name = "slpi",
- .ssctl_id = 0x16,
-};
-
-static const struct of_device_id adsp_of_match[] = {
- { .compatible = "qcom,msm8974-adsp-pil", .data = &adsp_resource_init},
- { .compatible = "qcom,msm8996-adsp-pil", .data = &adsp_resource_init},
- { .compatible = "qcom,msm8996-slpi-pil", .data = &slpi_resource_init},
- { .compatible = "qcom,sdm845-adsp-pas", .data = &adsp_resource_init},
- { .compatible = "qcom,sdm845-cdsp-pas", .data = &cdsp_resource_init},
- { },
-};
-MODULE_DEVICE_TABLE(of, adsp_of_match);
-
-static struct platform_driver adsp_driver = {
- .probe = adsp_probe,
- .remove = adsp_remove,
- .driver = {
- .name = "qcom_adsp_pil",
- .of_match_table = adsp_of_match,
- },
-};
-
-module_platform_driver(adsp_driver);
-MODULE_DESCRIPTION("Qualcomm MSM8974/MSM8996 ADSP Peripherial Image Loader");
-MODULE_LICENSE("GPL v2");