| // SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note |
| /* |
| * |
| * (C) COPYRIGHT 2022 ARM Limited. All rights reserved. |
| * |
| * This program is free software and is provided to you under the terms of the |
| * GNU General Public License version 2 as published by the Free Software |
| * Foundation, and any use by you of this program is subject to the terms |
| * of such GNU license. |
| * |
| * 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. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, you can access it online at |
| * http://www.gnu.org/licenses/gpl-2.0.html. |
| * |
| */ |
| |
| #include <linux/device.h> |
| #include <linux/coresight.h> |
| |
| #include <coresight-priv.h> |
| #include "coresight_mali_common.h" |
| |
| int coresight_mali_enable_component(struct coresight_device *csdev, u32 mode) |
| { |
| struct coresight_mali_drvdata *drvdata = dev_get_drvdata(csdev->dev.parent); |
| int res = 0; |
| |
| if (mode != CS_MODE_SYSFS) { |
| dev_err(drvdata->dev, "Unsupported Mali CS_MODE: %d, expected: %d\n", mode, |
| CS_MODE_SYSFS); |
| return -EINVAL; |
| } |
| |
| drvdata->mode = mode; |
| |
| res = kbase_debug_coresight_csf_config_enable(drvdata->config); |
| if (res) { |
| dev_err(drvdata->dev, "Config failed to enable with error code %d\n", res); |
| drvdata->mode = CS_MODE_DISABLED; |
| } |
| |
| return res; |
| } |
| |
| int coresight_mali_disable_component(struct coresight_device *csdev) |
| { |
| struct coresight_mali_drvdata *drvdata = dev_get_drvdata(csdev->dev.parent); |
| int res = 0; |
| |
| res = kbase_debug_coresight_csf_config_disable(drvdata->config); |
| if (res) |
| dev_err(drvdata->dev, "config failed to disable with error code %d\n", res); |
| |
| drvdata->mode = CS_MODE_DISABLED; |
| |
| return res; |
| } |