| /* SPDX-License-Identifier: GPL-2.0-only */ |
| /* |
| * Copyright (c) 2017, 2019 The Linux Foundation. All rights reserved. |
| */ |
| #ifndef _CORESIGHT_BYTE_CNTR_H |
| #define _CORESIGHT_BYTE_CNTR_H |
| #include <linux/cdev.h> |
| #include <linux/amba/bus.h> |
| #include <linux/wait.h> |
| #include <linux/mutex.h> |
| |
| struct byte_cntr { |
| struct cdev dev; |
| struct class *driver_class; |
| bool enable; |
| bool read_active; |
| uint32_t byte_cntr_value; |
| uint32_t block_size; |
| int byte_cntr_irq; |
| atomic_t irq_cnt; |
| wait_queue_head_t wq; |
| struct mutex byte_cntr_lock; |
| struct coresight_csr *csr; |
| }; |
| |
| extern void tmc_etr_byte_cntr_start(struct byte_cntr *byte_cntr_data); |
| extern void tmc_etr_byte_cntr_stop(struct byte_cntr *byte_cntr_data); |
| |
| #endif |
