| /* 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. |
| * |
| */ |
| |
| #ifndef _CORESIGHT_MALI_SOURCES_H |
| #define _CORESIGHT_MALI_SOURCES_H |
| |
| #include <linux/platform_device.h> |
| #include <linux/sysfs.h> |
| #include <linux/version.h> |
| |
| #include "coresight_mali_common.h" |
| |
| /** |
| * struct coresight_mali_source_drvdata - Coresight mali source driver data |
| * |
| * @base: Common driver data structure between coresight mali sources and sinks |
| * @trcid: Trace id |
| * @type_name: Type name of the driver, for example "itm" or "etm" |
| */ |
| struct coresight_mali_source_drvdata { |
| struct coresight_mali_drvdata base; |
| u32 trcid; |
| #if KERNEL_VERSION(5, 3, 0) <= LINUX_VERSION_CODE |
| char *type_name; |
| #endif |
| }; |
| |
| /** |
| * coresight_mali_sources_probe - Generic probe for a coresight mali source |
| * |
| * @pdev: Pointer to a platform device |
| * |
| * Return: 0 if success. Error code on failure. |
| */ |
| int coresight_mali_sources_probe(struct platform_device *pdev); |
| |
| /** |
| * coresight_mali_sources_remove - Generic remove for a coresight mali source |
| * |
| * @pdev: Pointer to a platform device |
| * |
| * Return: 0 if success. Error code on failure. |
| */ |
| int coresight_mali_sources_remove(struct platform_device *pdev); |
| |
| /** |
| * coresight_mali_sources_init_drvdata - Driver data initialization hook. |
| * |
| * @drvdata: Driver data structure to initialize |
| * |
| * Used for initializing source specific enable and disable sequences and other relevant data. |
| * |
| * Return: 0 if success. Error code on failure. |
| */ |
| int coresight_mali_sources_init_drvdata(struct coresight_mali_source_drvdata *drvdata); |
| |
| /** |
| * coresight_mali_sources_deinit_drvdata - Driver data deinitialization hook. |
| * |
| * @drvdata: Driver data structure to deinitialize |
| * |
| * Used for releasing source specific enable and disable sequences and other relevant data. |
| */ |
| void coresight_mali_sources_deinit_drvdata(struct coresight_mali_source_drvdata *drvdata); |
| |
| /** |
| * coresight_mali_source_groups_get - Getter for source groups. |
| * |
| * Return: a pointer to an array of attribute groups of the driver. Can also be NULL. |
| * |
| * Groups are drivers sysfs subnodes that can be used to read state of the coresight component |
| * or write component configuration. |
| */ |
| const struct attribute_group **coresight_mali_source_groups_get(void); |
| |
| #endif /* _CORESIGHT_MALI_SOURCES_H */ |