mirror of https://gitee.com/openkylin/linux.git
728 lines
16 KiB
C
728 lines
16 KiB
C
// SPDX-License-Identifier: GPL-2.0-only
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/*
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* Qualcomm ADSP/SLPI Peripheral Image Loader for MSM8974 and MSM8996
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*
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* Copyright (C) 2016 Linaro Ltd
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* Copyright (C) 2014 Sony Mobile Communications AB
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* Copyright (c) 2012-2013, The Linux Foundation. All rights reserved.
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*/
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#include <linux/clk.h>
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#include <linux/firmware.h>
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#include <linux/interrupt.h>
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#include <linux/kernel.h>
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#include <linux/module.h>
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#include <linux/of_address.h>
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#include <linux/of_device.h>
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#include <linux/platform_device.h>
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#include <linux/pm_domain.h>
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#include <linux/pm_runtime.h>
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#include <linux/qcom_scm.h>
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#include <linux/regulator/consumer.h>
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#include <linux/remoteproc.h>
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#include <linux/soc/qcom/mdt_loader.h>
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#include <linux/soc/qcom/smem.h>
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#include <linux/soc/qcom/smem_state.h>
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#include "qcom_common.h"
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#include "qcom_q6v5.h"
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#include "remoteproc_internal.h"
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struct adsp_data {
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int crash_reason_smem;
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const char *firmware_name;
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int pas_id;
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bool has_aggre2_clk;
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bool auto_boot;
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char **active_pd_names;
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char **proxy_pd_names;
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const char *ssr_name;
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const char *sysmon_name;
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int ssctl_id;
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};
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struct qcom_adsp {
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struct device *dev;
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struct rproc *rproc;
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struct qcom_q6v5 q6v5;
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struct clk *xo;
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struct clk *aggre2_clk;
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struct regulator *cx_supply;
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struct regulator *px_supply;
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struct device *active_pds[1];
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struct device *proxy_pds[3];
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int active_pd_count;
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int proxy_pd_count;
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int pas_id;
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int crash_reason_smem;
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bool has_aggre2_clk;
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struct completion start_done;
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struct completion stop_done;
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phys_addr_t mem_phys;
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phys_addr_t mem_reloc;
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void *mem_region;
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size_t mem_size;
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struct qcom_rproc_glink glink_subdev;
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struct qcom_rproc_subdev smd_subdev;
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struct qcom_rproc_ssr ssr_subdev;
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struct qcom_sysmon *sysmon;
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};
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static int adsp_pds_enable(struct qcom_adsp *adsp, struct device **pds,
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size_t pd_count)
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{
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int ret;
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int i;
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for (i = 0; i < pd_count; i++) {
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dev_pm_genpd_set_performance_state(pds[i], INT_MAX);
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ret = pm_runtime_get_sync(pds[i]);
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if (ret < 0)
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goto unroll_pd_votes;
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}
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return 0;
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unroll_pd_votes:
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for (i--; i >= 0; i--) {
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dev_pm_genpd_set_performance_state(pds[i], 0);
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pm_runtime_put(pds[i]);
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}
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return ret;
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};
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static void adsp_pds_disable(struct qcom_adsp *adsp, struct device **pds,
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size_t pd_count)
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{
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int i;
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for (i = 0; i < pd_count; i++) {
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dev_pm_genpd_set_performance_state(pds[i], 0);
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pm_runtime_put(pds[i]);
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}
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}
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static int adsp_load(struct rproc *rproc, const struct firmware *fw)
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{
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struct qcom_adsp *adsp = (struct qcom_adsp *)rproc->priv;
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return qcom_mdt_load(adsp->dev, fw, rproc->firmware, adsp->pas_id,
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adsp->mem_region, adsp->mem_phys, adsp->mem_size,
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&adsp->mem_reloc);
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}
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static int adsp_start(struct rproc *rproc)
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{
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struct qcom_adsp *adsp = (struct qcom_adsp *)rproc->priv;
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int ret;
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qcom_q6v5_prepare(&adsp->q6v5);
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ret = adsp_pds_enable(adsp, adsp->active_pds, adsp->active_pd_count);
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if (ret < 0)
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goto disable_irqs;
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ret = adsp_pds_enable(adsp, adsp->proxy_pds, adsp->proxy_pd_count);
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if (ret < 0)
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goto disable_active_pds;
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ret = clk_prepare_enable(adsp->xo);
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if (ret)
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goto disable_proxy_pds;
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ret = clk_prepare_enable(adsp->aggre2_clk);
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if (ret)
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goto disable_xo_clk;
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ret = regulator_enable(adsp->cx_supply);
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if (ret)
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goto disable_aggre2_clk;
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ret = regulator_enable(adsp->px_supply);
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if (ret)
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goto disable_cx_supply;
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ret = qcom_scm_pas_auth_and_reset(adsp->pas_id);
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if (ret) {
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dev_err(adsp->dev,
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"failed to authenticate image and release reset\n");
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goto disable_px_supply;
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}
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ret = qcom_q6v5_wait_for_start(&adsp->q6v5, msecs_to_jiffies(5000));
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if (ret == -ETIMEDOUT) {
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dev_err(adsp->dev, "start timed out\n");
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qcom_scm_pas_shutdown(adsp->pas_id);
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goto disable_px_supply;
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}
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return 0;
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disable_px_supply:
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regulator_disable(adsp->px_supply);
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disable_cx_supply:
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regulator_disable(adsp->cx_supply);
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disable_aggre2_clk:
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clk_disable_unprepare(adsp->aggre2_clk);
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disable_xo_clk:
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clk_disable_unprepare(adsp->xo);
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disable_proxy_pds:
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adsp_pds_disable(adsp, adsp->proxy_pds, adsp->proxy_pd_count);
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disable_active_pds:
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adsp_pds_disable(adsp, adsp->active_pds, adsp->active_pd_count);
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disable_irqs:
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qcom_q6v5_unprepare(&adsp->q6v5);
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return ret;
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}
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static void qcom_pas_handover(struct qcom_q6v5 *q6v5)
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{
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struct qcom_adsp *adsp = container_of(q6v5, struct qcom_adsp, q6v5);
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regulator_disable(adsp->px_supply);
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regulator_disable(adsp->cx_supply);
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clk_disable_unprepare(adsp->aggre2_clk);
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clk_disable_unprepare(adsp->xo);
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adsp_pds_disable(adsp, adsp->proxy_pds, adsp->proxy_pd_count);
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}
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static int adsp_stop(struct rproc *rproc)
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{
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struct qcom_adsp *adsp = (struct qcom_adsp *)rproc->priv;
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int handover;
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int ret;
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ret = qcom_q6v5_request_stop(&adsp->q6v5);
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if (ret == -ETIMEDOUT)
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dev_err(adsp->dev, "timed out on wait\n");
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ret = qcom_scm_pas_shutdown(adsp->pas_id);
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if (ret)
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dev_err(adsp->dev, "failed to shutdown: %d\n", ret);
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adsp_pds_disable(adsp, adsp->active_pds, adsp->active_pd_count);
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handover = qcom_q6v5_unprepare(&adsp->q6v5);
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if (handover)
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qcom_pas_handover(&adsp->q6v5);
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return ret;
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}
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static void *adsp_da_to_va(struct rproc *rproc, u64 da, size_t len)
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{
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struct qcom_adsp *adsp = (struct qcom_adsp *)rproc->priv;
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int offset;
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offset = da - adsp->mem_reloc;
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if (offset < 0 || offset + len > adsp->mem_size)
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return NULL;
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return adsp->mem_region + offset;
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}
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static unsigned long adsp_panic(struct rproc *rproc)
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{
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struct qcom_adsp *adsp = (struct qcom_adsp *)rproc->priv;
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return qcom_q6v5_panic(&adsp->q6v5);
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}
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static const struct rproc_ops adsp_ops = {
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.start = adsp_start,
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.stop = adsp_stop,
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.da_to_va = adsp_da_to_va,
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.parse_fw = qcom_register_dump_segments,
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.load = adsp_load,
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.panic = adsp_panic,
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};
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static int adsp_init_clock(struct qcom_adsp *adsp)
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{
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int ret;
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adsp->xo = devm_clk_get(adsp->dev, "xo");
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if (IS_ERR(adsp->xo)) {
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ret = PTR_ERR(adsp->xo);
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if (ret != -EPROBE_DEFER)
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dev_err(adsp->dev, "failed to get xo clock");
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return ret;
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}
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if (adsp->has_aggre2_clk) {
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adsp->aggre2_clk = devm_clk_get(adsp->dev, "aggre2");
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if (IS_ERR(adsp->aggre2_clk)) {
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ret = PTR_ERR(adsp->aggre2_clk);
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if (ret != -EPROBE_DEFER)
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dev_err(adsp->dev,
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"failed to get aggre2 clock");
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return ret;
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}
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}
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return 0;
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}
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static int adsp_init_regulator(struct qcom_adsp *adsp)
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{
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adsp->cx_supply = devm_regulator_get(adsp->dev, "cx");
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if (IS_ERR(adsp->cx_supply))
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return PTR_ERR(adsp->cx_supply);
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regulator_set_load(adsp->cx_supply, 100000);
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adsp->px_supply = devm_regulator_get(adsp->dev, "px");
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return PTR_ERR_OR_ZERO(adsp->px_supply);
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}
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static int adsp_pds_attach(struct device *dev, struct device **devs,
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char **pd_names)
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{
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size_t num_pds = 0;
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int ret;
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int i;
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if (!pd_names)
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return 0;
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/* Handle single power domain */
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if (dev->pm_domain) {
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devs[0] = dev;
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pm_runtime_enable(dev);
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return 1;
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}
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while (pd_names[num_pds])
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num_pds++;
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for (i = 0; i < num_pds; i++) {
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devs[i] = dev_pm_domain_attach_by_name(dev, pd_names[i]);
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if (IS_ERR_OR_NULL(devs[i])) {
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ret = PTR_ERR(devs[i]) ? : -ENODATA;
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goto unroll_attach;
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}
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}
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return num_pds;
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unroll_attach:
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for (i--; i >= 0; i--)
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dev_pm_domain_detach(devs[i], false);
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return ret;
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};
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static void adsp_pds_detach(struct qcom_adsp *adsp, struct device **pds,
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size_t pd_count)
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{
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struct device *dev = adsp->dev;
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int i;
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/* Handle single power domain */
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if (dev->pm_domain && pd_count) {
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pm_runtime_disable(dev);
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return;
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}
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for (i = 0; i < pd_count; i++)
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dev_pm_domain_detach(pds[i], false);
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}
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static int adsp_alloc_memory_region(struct qcom_adsp *adsp)
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{
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struct device_node *node;
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struct resource r;
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int ret;
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node = of_parse_phandle(adsp->dev->of_node, "memory-region", 0);
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if (!node) {
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dev_err(adsp->dev, "no memory-region specified\n");
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return -EINVAL;
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}
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ret = of_address_to_resource(node, 0, &r);
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if (ret)
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return ret;
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adsp->mem_phys = adsp->mem_reloc = r.start;
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adsp->mem_size = resource_size(&r);
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adsp->mem_region = devm_ioremap_wc(adsp->dev, adsp->mem_phys, adsp->mem_size);
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if (!adsp->mem_region) {
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dev_err(adsp->dev, "unable to map memory region: %pa+%zx\n",
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&r.start, adsp->mem_size);
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return -EBUSY;
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}
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return 0;
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}
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static int adsp_probe(struct platform_device *pdev)
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{
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const struct adsp_data *desc;
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struct qcom_adsp *adsp;
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struct rproc *rproc;
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const char *fw_name;
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int ret;
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desc = of_device_get_match_data(&pdev->dev);
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if (!desc)
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return -EINVAL;
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if (!qcom_scm_is_available())
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return -EPROBE_DEFER;
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fw_name = desc->firmware_name;
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ret = of_property_read_string(pdev->dev.of_node, "firmware-name",
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&fw_name);
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if (ret < 0 && ret != -EINVAL)
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return ret;
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rproc = rproc_alloc(&pdev->dev, pdev->name, &adsp_ops,
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fw_name, sizeof(*adsp));
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if (!rproc) {
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dev_err(&pdev->dev, "unable to allocate remoteproc\n");
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return -ENOMEM;
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}
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rproc->auto_boot = desc->auto_boot;
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rproc_coredump_set_elf_info(rproc, ELFCLASS32, EM_NONE);
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adsp = (struct qcom_adsp *)rproc->priv;
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adsp->dev = &pdev->dev;
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adsp->rproc = rproc;
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adsp->pas_id = desc->pas_id;
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adsp->has_aggre2_clk = desc->has_aggre2_clk;
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platform_set_drvdata(pdev, adsp);
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device_wakeup_enable(adsp->dev);
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ret = adsp_alloc_memory_region(adsp);
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if (ret)
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goto free_rproc;
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ret = adsp_init_clock(adsp);
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if (ret)
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goto free_rproc;
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ret = adsp_init_regulator(adsp);
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if (ret)
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goto free_rproc;
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ret = adsp_pds_attach(&pdev->dev, adsp->active_pds,
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desc->active_pd_names);
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if (ret < 0)
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goto free_rproc;
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adsp->active_pd_count = ret;
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ret = adsp_pds_attach(&pdev->dev, adsp->proxy_pds,
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desc->proxy_pd_names);
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if (ret < 0)
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goto detach_active_pds;
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adsp->proxy_pd_count = ret;
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ret = qcom_q6v5_init(&adsp->q6v5, pdev, rproc, desc->crash_reason_smem,
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qcom_pas_handover);
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if (ret)
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goto detach_proxy_pds;
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qcom_add_glink_subdev(rproc, &adsp->glink_subdev, desc->ssr_name);
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qcom_add_smd_subdev(rproc, &adsp->smd_subdev);
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qcom_add_ssr_subdev(rproc, &adsp->ssr_subdev, desc->ssr_name);
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adsp->sysmon = qcom_add_sysmon_subdev(rproc,
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desc->sysmon_name,
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desc->ssctl_id);
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if (IS_ERR(adsp->sysmon)) {
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ret = PTR_ERR(adsp->sysmon);
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goto detach_proxy_pds;
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}
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ret = rproc_add(rproc);
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if (ret)
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goto detach_proxy_pds;
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return 0;
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detach_proxy_pds:
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adsp_pds_detach(adsp, adsp->proxy_pds, adsp->proxy_pd_count);
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detach_active_pds:
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adsp_pds_detach(adsp, adsp->active_pds, adsp->active_pd_count);
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free_rproc:
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rproc_free(rproc);
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return ret;
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}
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static int adsp_remove(struct platform_device *pdev)
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{
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struct qcom_adsp *adsp = platform_get_drvdata(pdev);
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rproc_del(adsp->rproc);
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qcom_remove_glink_subdev(adsp->rproc, &adsp->glink_subdev);
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qcom_remove_sysmon_subdev(adsp->sysmon);
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qcom_remove_smd_subdev(adsp->rproc, &adsp->smd_subdev);
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qcom_remove_ssr_subdev(adsp->rproc, &adsp->ssr_subdev);
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rproc_free(adsp->rproc);
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return 0;
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}
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static const struct adsp_data adsp_resource_init = {
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.crash_reason_smem = 423,
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.firmware_name = "adsp.mdt",
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.pas_id = 1,
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.has_aggre2_clk = false,
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.auto_boot = true,
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.ssr_name = "lpass",
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.sysmon_name = "adsp",
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.ssctl_id = 0x14,
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};
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static const struct adsp_data sm8150_adsp_resource = {
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.crash_reason_smem = 423,
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.firmware_name = "adsp.mdt",
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.pas_id = 1,
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.has_aggre2_clk = false,
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.auto_boot = true,
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.active_pd_names = (char*[]){
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"load_state",
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NULL
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},
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.proxy_pd_names = (char*[]){
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"cx",
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NULL
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},
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.ssr_name = "lpass",
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.sysmon_name = "adsp",
|
|
.ssctl_id = 0x14,
|
|
};
|
|
|
|
static const struct adsp_data sm8250_adsp_resource = {
|
|
.crash_reason_smem = 423,
|
|
.firmware_name = "adsp.mdt",
|
|
.pas_id = 1,
|
|
.has_aggre2_clk = false,
|
|
.auto_boot = true,
|
|
.active_pd_names = (char*[]){
|
|
"load_state",
|
|
NULL
|
|
},
|
|
.proxy_pd_names = (char*[]){
|
|
"lcx",
|
|
"lmx",
|
|
NULL
|
|
},
|
|
.ssr_name = "lpass",
|
|
.sysmon_name = "adsp",
|
|
.ssctl_id = 0x14,
|
|
};
|
|
|
|
static const struct adsp_data msm8998_adsp_resource = {
|
|
.crash_reason_smem = 423,
|
|
.firmware_name = "adsp.mdt",
|
|
.pas_id = 1,
|
|
.has_aggre2_clk = false,
|
|
.auto_boot = true,
|
|
.proxy_pd_names = (char*[]){
|
|
"cx",
|
|
NULL
|
|
},
|
|
.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,
|
|
.auto_boot = true,
|
|
.ssr_name = "cdsp",
|
|
.sysmon_name = "cdsp",
|
|
.ssctl_id = 0x17,
|
|
};
|
|
|
|
static const struct adsp_data sm8150_cdsp_resource = {
|
|
.crash_reason_smem = 601,
|
|
.firmware_name = "cdsp.mdt",
|
|
.pas_id = 18,
|
|
.has_aggre2_clk = false,
|
|
.auto_boot = true,
|
|
.active_pd_names = (char*[]){
|
|
"load_state",
|
|
NULL
|
|
},
|
|
.proxy_pd_names = (char*[]){
|
|
"cx",
|
|
NULL
|
|
},
|
|
.ssr_name = "cdsp",
|
|
.sysmon_name = "cdsp",
|
|
.ssctl_id = 0x17,
|
|
};
|
|
|
|
static const struct adsp_data sm8250_cdsp_resource = {
|
|
.crash_reason_smem = 601,
|
|
.firmware_name = "cdsp.mdt",
|
|
.pas_id = 18,
|
|
.has_aggre2_clk = false,
|
|
.auto_boot = true,
|
|
.active_pd_names = (char*[]){
|
|
"load_state",
|
|
NULL
|
|
},
|
|
.proxy_pd_names = (char*[]){
|
|
"cx",
|
|
NULL
|
|
},
|
|
.ssr_name = "cdsp",
|
|
.sysmon_name = "cdsp",
|
|
.ssctl_id = 0x17,
|
|
};
|
|
|
|
static const struct adsp_data mpss_resource_init = {
|
|
.crash_reason_smem = 421,
|
|
.firmware_name = "modem.mdt",
|
|
.pas_id = 4,
|
|
.has_aggre2_clk = false,
|
|
.auto_boot = false,
|
|
.active_pd_names = (char*[]){
|
|
"load_state",
|
|
NULL
|
|
},
|
|
.proxy_pd_names = (char*[]){
|
|
"cx",
|
|
"mss",
|
|
NULL
|
|
},
|
|
.ssr_name = "mpss",
|
|
.sysmon_name = "modem",
|
|
.ssctl_id = 0x12,
|
|
};
|
|
|
|
static const struct adsp_data slpi_resource_init = {
|
|
.crash_reason_smem = 424,
|
|
.firmware_name = "slpi.mdt",
|
|
.pas_id = 12,
|
|
.has_aggre2_clk = true,
|
|
.auto_boot = true,
|
|
.ssr_name = "dsps",
|
|
.sysmon_name = "slpi",
|
|
.ssctl_id = 0x16,
|
|
};
|
|
|
|
static const struct adsp_data sm8150_slpi_resource = {
|
|
.crash_reason_smem = 424,
|
|
.firmware_name = "slpi.mdt",
|
|
.pas_id = 12,
|
|
.has_aggre2_clk = false,
|
|
.auto_boot = true,
|
|
.active_pd_names = (char*[]){
|
|
"load_state",
|
|
NULL
|
|
},
|
|
.proxy_pd_names = (char*[]){
|
|
"lcx",
|
|
"lmx",
|
|
NULL
|
|
},
|
|
.ssr_name = "dsps",
|
|
.sysmon_name = "slpi",
|
|
.ssctl_id = 0x16,
|
|
};
|
|
|
|
static const struct adsp_data sm8250_slpi_resource = {
|
|
.crash_reason_smem = 424,
|
|
.firmware_name = "slpi.mdt",
|
|
.pas_id = 12,
|
|
.has_aggre2_clk = false,
|
|
.auto_boot = true,
|
|
.active_pd_names = (char*[]){
|
|
"load_state",
|
|
NULL
|
|
},
|
|
.proxy_pd_names = (char*[]){
|
|
"lcx",
|
|
"lmx",
|
|
NULL
|
|
},
|
|
.ssr_name = "dsps",
|
|
.sysmon_name = "slpi",
|
|
.ssctl_id = 0x16,
|
|
};
|
|
|
|
static const struct adsp_data msm8998_slpi_resource = {
|
|
.crash_reason_smem = 424,
|
|
.firmware_name = "slpi.mdt",
|
|
.pas_id = 12,
|
|
.has_aggre2_clk = true,
|
|
.auto_boot = true,
|
|
.proxy_pd_names = (char*[]){
|
|
"ssc_cx",
|
|
NULL
|
|
},
|
|
.ssr_name = "dsps",
|
|
.sysmon_name = "slpi",
|
|
.ssctl_id = 0x16,
|
|
};
|
|
|
|
static const struct adsp_data wcss_resource_init = {
|
|
.crash_reason_smem = 421,
|
|
.firmware_name = "wcnss.mdt",
|
|
.pas_id = 6,
|
|
.auto_boot = true,
|
|
.ssr_name = "mpss",
|
|
.sysmon_name = "wcnss",
|
|
.ssctl_id = 0x12,
|
|
};
|
|
|
|
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,msm8998-adsp-pas", .data = &msm8998_adsp_resource},
|
|
{ .compatible = "qcom,msm8998-slpi-pas", .data = &msm8998_slpi_resource},
|
|
{ .compatible = "qcom,qcs404-adsp-pas", .data = &adsp_resource_init },
|
|
{ .compatible = "qcom,qcs404-cdsp-pas", .data = &cdsp_resource_init },
|
|
{ .compatible = "qcom,qcs404-wcss-pas", .data = &wcss_resource_init },
|
|
{ .compatible = "qcom,sc7180-mpss-pas", .data = &mpss_resource_init},
|
|
{ .compatible = "qcom,sdm845-adsp-pas", .data = &adsp_resource_init},
|
|
{ .compatible = "qcom,sdm845-cdsp-pas", .data = &cdsp_resource_init},
|
|
{ .compatible = "qcom,sm8150-adsp-pas", .data = &sm8150_adsp_resource},
|
|
{ .compatible = "qcom,sm8150-cdsp-pas", .data = &sm8150_cdsp_resource},
|
|
{ .compatible = "qcom,sm8150-mpss-pas", .data = &mpss_resource_init},
|
|
{ .compatible = "qcom,sm8150-slpi-pas", .data = &sm8150_slpi_resource},
|
|
{ .compatible = "qcom,sm8250-adsp-pas", .data = &sm8250_adsp_resource},
|
|
{ .compatible = "qcom,sm8250-cdsp-pas", .data = &sm8250_cdsp_resource},
|
|
{ .compatible = "qcom,sm8250-slpi-pas", .data = &sm8250_slpi_resource},
|
|
{ },
|
|
};
|
|
MODULE_DEVICE_TABLE(of, adsp_of_match);
|
|
|
|
static struct platform_driver adsp_driver = {
|
|
.probe = adsp_probe,
|
|
.remove = adsp_remove,
|
|
.driver = {
|
|
.name = "qcom_q6v5_pas",
|
|
.of_match_table = adsp_of_match,
|
|
},
|
|
};
|
|
|
|
module_platform_driver(adsp_driver);
|
|
MODULE_DESCRIPTION("Qualcomm Hexagon v5 Peripheral Authentication Service driver");
|
|
MODULE_LICENSE("GPL v2");
|