drivers/misc/video_core/720p/scheduler/vid_frame_scheduler_api.h

/* Copyright (c) 2010, Code Aurora Forum. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
 * met:
 *     * Redistributions of source code must retain the above copyright
 *       notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above
 *       copyright notice, this list of conditions and the following
 *       disclaimer in the documentation and/or other materials provided
 *       with the distribution.
 *     * Neither the name of Code Aurora Forum, Inc. nor the names of its
 *       contributors may be used to endorse or promote products derived
 *       from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
 * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
 * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
 * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 */
#ifndef _SCHEDULER_API_H_
#define _SCHEDULER_API_H_

enum sched_status {
	SCHED_S_OK = 0x0,
	SCHED_S_NOPTKN,
	SCHED_S_NOOTKN,
	SCHED_S_SLEEP,
	SCHED_S_QEMPTY,
	SCHED_S_QFULL,
	SCHED_S_EOF,
	SCHED_S_EFAIL = 0x64,
	SCHED_S_ENOMEM,
	SCHED_S_EBADPARM,
	SCHED_S_EINVALOP,
	SCHED_S_ENOTIMPL,
	SCHED_S_ENORES,
	SCHED_S_EINVALST,
	SCHED_S_MAX = 0x7fffffff
};

enum sched_index {
	SCHED_I_START_UNUSED = 0x0,
	SCHED_I_PERFLEVEL,
	SCHED_I_CLNT_START_UNUSED = 0x63,
	SCHED_I_CLNT_CURRQLEN,
	SCHED_I_CLNT_PTKNRATE,
	SCHED_I_CLNT_PTKNPERFRM,
	SCHED_I_CLNT_FRAMERATE,
	SCHED_I_CLNT_OTKNMAX,
	SCHED_I_CLNT_OTKNPERIPFRM,
	SCHED_I_CLNT_OTKNCURRENT,
	SCHED_I_MAX = 0x7fffffff
};

struct sched_client_frm_rate {
	u32 numer;
	u32 denom;

};

union sched_value_type {
	u32 un_value;
	struct sched_client_frm_rate frm_rate;

};

struct sched_init_param {
	u32 perf_lvl;

};

enum sched_client_ctgy {
	SCHED_CLNT_RT_BUFF = 0,
	SCHED_CLNT_RT_NOBUFF,
	SCHED_CLNT_NONRT,
	SCHED_CLNT_MAX = 0x7fffffff
};

struct sched_client_init_param {
	enum sched_client_ctgy client_ctgy;
	u32 max_queue_len;
	struct sched_client_frm_rate frm_rate;
	u32 tkn_per_frm;
	u32 alloc_p_tkn_rate;
	u32 o_tkn_max;
	u32 o_tkn_per_ip_frm;
	u32 o_tkn_init;

	void *client_data;

};

enum sched_status sched_create
    (struct sched_init_param *init_param, void **handle);

enum sched_status sched_destroy(void *handle);

enum sched_status sched_get_param
    (void *handle,
     enum sched_index param_index, union sched_value_type *param_value);

enum sched_status sched_set_param
    (void *handle,
     enum sched_index param_index, union sched_value_type *param_value);

enum sched_status sched_add_client
    (void *handle,
     struct sched_client_init_param *init_param, void **client_hdl);

enum sched_status sched_remove_client(void *handle, void *client_hdl);

enum sched_status sched_flush_client_buffer
    (void *handle, void *client_hdl, void **pp_frm_data);

enum sched_status sched_mark_client_eof(void *handle, void *client_hdl);

enum sched_status sched_update_client_o_tkn
    (void *handle, void *client_hdl, u32 type, u32 o_tkn);

enum sched_status sched_queue_frame
    (void *handle, void *client_hdl, void *frm_data);
enum sched_status sched_re_queue_frame
(void *handle, void *client_hdl, void *frm_data);

enum sched_status sched_de_queue_frame
    (void *handle, void **pp_frm_data, void **pp_client_data);

enum sched_status sched_get_client_param
    (void *handle,
     void *client_hdl,
     enum sched_index param_index, union sched_value_type *param_value);

enum sched_status sched_set_client_param
    (void *handle,
     void *client_hdl,
     enum sched_index param_index, union sched_value_type *param_value);

enum sched_status sched_suspend_resume_client
    (void *handle, void *client_hdl, u32 state);

#endif