88 lines
2.2 KiB
C
88 lines
2.2 KiB
C
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/* Copyright (c) 2011-2013, The Linux Foundation. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 and
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* only version 2 as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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*/
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#include <linux/debugfs.h>
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#include <linux/ktime.h>
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#include <linux/list.h>
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#include <linux/mutex.h>
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#ifndef _WFD_UTIL_H_
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#define _WFD_UTIL_H_
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/*#define DEBUG_WFD*/
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#define WFD_TAG "wfd: "
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#define WFD_MSG_INFO(fmt...) pr_info(WFD_TAG fmt)
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#define WFD_MSG_WARN(fmt...) pr_warning(WFD_TAG fmt)
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#define WFD_MSG_ERR(fmt...) pr_err(WFD_TAG fmt)
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#define WFD_MSG_CRIT(fmt...) pr_crit(WFD_TAG fmt)
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#define WFD_MSG_DBG(fmt...) pr_debug(WFD_TAG fmt)
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struct wfd_stats_encode_sample {
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ktime_t encode_start_ts;
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struct list_head list;
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};
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struct wfd_stats {
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struct mutex mutex;
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/* Output Buffers */
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uint32_t v4l2_buf_count;
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/* Input Buffers */
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uint32_t mdp_buf_count;
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uint32_t vsg_buf_count;
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uint32_t enc_buf_count;
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/* Other */
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uint32_t frames_encoded;
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uint32_t mdp_updates;
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uint32_t enc_avg_latency;
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uint32_t enc_cumulative_latency;
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uint32_t enc_latency_samples;
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struct list_head enc_queue;
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/* Debugfs entries */
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struct dentry *d_parent;
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struct dentry *d_v4l2_buf_count;
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struct dentry *d_mdp_buf_count;
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struct dentry *d_vsg_buf_count;
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struct dentry *d_enc_buf_count;
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struct dentry *d_frames_encoded;
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struct dentry *d_mdp_updates;
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struct dentry *d_enc_avg_latency;
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};
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enum wfd_stats_event {
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WFD_STAT_EVENT_CLIENT_QUEUE,
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WFD_STAT_EVENT_CLIENT_DEQUEUE,
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WFD_STAT_EVENT_MDP_QUEUE,
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WFD_STAT_EVENT_MDP_DEQUEUE,
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WFD_STAT_EVENT_VSG_QUEUE,
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WFD_STAT_EVENT_VSG_DEQUEUE,
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WFD_STAT_EVENT_ENC_QUEUE,
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WFD_STAT_EVENT_ENC_DEQUEUE,
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};
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int wfd_stats_setup(void);
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int wfd_stats_init(struct wfd_stats *, int device);
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int wfd_stats_update(struct wfd_stats *, enum wfd_stats_event);
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int wfd_stats_deinit(struct wfd_stats *);
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void wfd_stats_teardown(void);
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#endif
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