mirror of
git://nv-tegra.nvidia.com/linux-hwpm.git
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8b861518c4
Modify OS agnostic files in common, hal and include folder to use MIT license. This will allow the files to be shared between different OSes. Modify OS specific files in os/linux and uapi folders to add SPDX identifier for GPLv2. Jira THWPM-69 Change-Id: I4fef142354a46fc23b67616204ccf0712a99caec Signed-off-by: Vedashree Vidwans <vvidwans@nvidia.com> Reviewed-on: https://git-master.nvidia.com/r/c/linux-hwpm/+/2797453 Reviewed-by: Seema Khowala <seemaj@nvidia.com> GVS: Gerrit_Virtual_Submit <buildbot_gerritrpt@nvidia.com>
137 lines
3.6 KiB
C
137 lines
3.6 KiB
C
// SPDX-License-Identifier: MIT
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/*
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* Copyright (c) 2021-2023 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*/
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#include <tegra_hwpm_log.h>
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#include <tegra_hwpm.h>
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#include <tegra_hwpm_common.h>
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#include <tegra_hwpm_static_analysis.h>
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int tegra_hwpm_perfmux_disable(struct tegra_soc_hwpm *hwpm,
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struct hwpm_ip_aperture *perfmux)
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{
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tegra_hwpm_fn(hwpm, " ");
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return 0;
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}
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int tegra_hwpm_reserve_rtr(struct tegra_soc_hwpm *hwpm)
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{
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int err = 0;
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struct tegra_soc_hwpm_chip *active_chip = hwpm->active_chip;
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tegra_hwpm_fn(hwpm, " ");
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err = tegra_hwpm_func_single_ip(hwpm, NULL,
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TEGRA_HWPM_RESERVE_GIVEN_RESOURCE,
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active_chip->get_rtr_int_idx(hwpm));
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if (err != 0) {
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tegra_hwpm_err(hwpm, "failed to reserve IP %d",
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active_chip->get_rtr_int_idx(hwpm));
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return err;
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}
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return err;
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}
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int tegra_hwpm_release_rtr(struct tegra_soc_hwpm *hwpm)
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{
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int err = 0;
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struct tegra_soc_hwpm_chip *active_chip = hwpm->active_chip;
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tegra_hwpm_fn(hwpm, " ");
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err = tegra_hwpm_func_single_ip(hwpm, NULL,
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TEGRA_HWPM_RELEASE_ROUTER,
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active_chip->get_rtr_int_idx(hwpm));
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if (err != 0) {
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tegra_hwpm_err(hwpm, "failed to release IP %d",
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active_chip->get_rtr_int_idx(hwpm));
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return err;
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}
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return err;
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}
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int tegra_hwpm_reserve_resource(struct tegra_soc_hwpm *hwpm, u32 resource)
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{
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struct tegra_soc_hwpm_chip *active_chip = hwpm->active_chip;
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u32 ip_idx = TEGRA_HWPM_IP_INACTIVE;
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int err = 0;
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tegra_hwpm_fn(hwpm, " ");
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tegra_hwpm_dbg(hwpm, hwpm_info,
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"User requesting to reserve resource %d", resource);
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/* Translate resource to ip_idx */
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if (!active_chip->is_resource_active(hwpm, resource, &ip_idx)) {
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tegra_hwpm_err(hwpm, "Requested resource %d is unavailable",
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resource);
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return -EINVAL;
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}
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err = tegra_hwpm_func_single_ip(hwpm, NULL,
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TEGRA_HWPM_RESERVE_GIVEN_RESOURCE, ip_idx);
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if (err != 0) {
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tegra_hwpm_err(hwpm, "failed to reserve IP %d", ip_idx);
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return err;
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}
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return 0;
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}
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int tegra_hwpm_bind_resources(struct tegra_soc_hwpm *hwpm)
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{
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int err = 0;
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tegra_hwpm_fn(hwpm, " ");
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err = tegra_hwpm_func_all_ip(hwpm, NULL, TEGRA_HWPM_BIND_RESOURCES);
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if (err != 0) {
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tegra_hwpm_err(hwpm, "failed to bind resources");
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return err;
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}
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return err;
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}
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int tegra_hwpm_release_resources(struct tegra_soc_hwpm *hwpm)
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{
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int ret = 0;
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tegra_hwpm_fn(hwpm, " ");
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ret = tegra_hwpm_func_all_ip(hwpm, NULL, TEGRA_HWPM_UNBIND_RESOURCES);
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if (ret != 0) {
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tegra_hwpm_err(hwpm, "failed to release resources");
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return ret;
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}
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ret = tegra_hwpm_func_all_ip(hwpm, NULL, TEGRA_HWPM_RELEASE_RESOURCES);
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if (ret != 0) {
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tegra_hwpm_err(hwpm, "failed to release resources");
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return ret;
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}
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return 0;
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}
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