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/* Copyright (c) 2011-2013, The Linux Foundation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 and
* only version 2 as published by the Free Software Foundation.
*
* 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.
*
*/
#include <linux/debugfs.h>
#include <linux/ktime.h>
#include <linux/list.h>
#include <linux/mutex.h>
#ifndef _WFD_UTIL_H_
#define _WFD_UTIL_H_
/*#define DEBUG_WFD*/
#define WFD_TAG "wfd: "
#define WFD_MSG_INFO(fmt...) pr_info(WFD_TAG fmt)
#define WFD_MSG_WARN(fmt...) pr_warning(WFD_TAG fmt)
#define WFD_MSG_ERR(fmt...) pr_err(WFD_TAG fmt)
#define WFD_MSG_CRIT(fmt...) pr_crit(WFD_TAG fmt)
#define WFD_MSG_DBG(fmt...) pr_debug(WFD_TAG fmt)
struct wfd_stats_encode_sample {
ktime_t encode_start_ts;
struct list_head list;
};
struct wfd_stats {
struct mutex mutex;
/* Output Buffers */
uint32_t v4l2_buf_count;
/* Input Buffers */
uint32_t mdp_buf_count;
uint32_t vsg_buf_count;
uint32_t enc_buf_count;
/* Other */
uint32_t frames_encoded;
uint32_t mdp_updates;
uint32_t enc_avg_latency;
uint32_t enc_cumulative_latency;
uint32_t enc_latency_samples;
struct list_head enc_queue;
/* Debugfs entries */
struct dentry *d_parent;
struct dentry *d_v4l2_buf_count;
struct dentry *d_mdp_buf_count;
struct dentry *d_vsg_buf_count;
struct dentry *d_enc_buf_count;
struct dentry *d_frames_encoded;
struct dentry *d_mdp_updates;
struct dentry *d_enc_avg_latency;
};
enum wfd_stats_event {
WFD_STAT_EVENT_CLIENT_QUEUE,
WFD_STAT_EVENT_CLIENT_DEQUEUE,
WFD_STAT_EVENT_MDP_QUEUE,
WFD_STAT_EVENT_MDP_DEQUEUE,
WFD_STAT_EVENT_VSG_QUEUE,
WFD_STAT_EVENT_VSG_DEQUEUE,
WFD_STAT_EVENT_ENC_QUEUE,
WFD_STAT_EVENT_ENC_DEQUEUE,
};
int wfd_stats_setup(void);
int wfd_stats_init(struct wfd_stats *, int device);
int wfd_stats_update(struct wfd_stats *, enum wfd_stats_event);
int wfd_stats_deinit(struct wfd_stats *);
void wfd_stats_teardown(void);
#endif
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