drivers/frame_provider/decoder/utils/vdec_v4l2_buffer_ops.c

/*
* Copyright (C) 2017 Amlogic, Inc. 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 as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* 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, write to the Free Software Foundation, Inc.,
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
* Description:
*/
#include "vdec_v4l2_buffer_ops.h"
#include <media/v4l2-mem2mem.h>
#include <linux/printk.h>

int vdec_v4l_get_pic_info(struct aml_vcodec_ctx *ctx,
	struct vdec_pic_info *pic)
{
	int ret = 0;

	if (ctx->drv_handle == 0)
		return -EIO;

	ret = ctx->dec_if->get_param(ctx->drv_handle,
		GET_PARAM_PIC_INFO, pic);

	return ret;
}
EXPORT_SYMBOL(vdec_v4l_get_pic_info);

int vdec_v4l_set_cfg_infos(struct aml_vcodec_ctx *ctx,
	struct aml_vdec_cfg_infos *cfg)
{
	int ret = 0;

	if (ctx->drv_handle == 0)
		return -EIO;

	ret = ctx->dec_if->set_param(ctx->drv_handle,
		SET_PARAM_CFG_INFO, cfg);

	return ret;
}
EXPORT_SYMBOL(vdec_v4l_set_cfg_infos);

int vdec_v4l_set_ps_infos(struct aml_vcodec_ctx *ctx,
	struct aml_vdec_ps_infos *ps)
{
	int ret = 0;

	if (ctx->drv_handle == 0)
		return -EIO;

	ret = ctx->dec_if->set_param(ctx->drv_handle,
		SET_PARAM_PS_INFO, ps);

	return ret;
}
EXPORT_SYMBOL(vdec_v4l_set_ps_infos);

int vdec_v4l_set_comp_buf_info(struct aml_vcodec_ctx *ctx,
		struct vdec_comp_buf_info *info)
{
	int ret = 0;

	if (ctx->drv_handle == 0)
		return -EIO;

	ret = ctx->dec_if->set_param(ctx->drv_handle,
		SET_PARAM_COMP_BUF_INFO, info);

	return ret;

}
EXPORT_SYMBOL(vdec_v4l_set_comp_buf_info);

int vdec_v4l_set_hdr_infos(struct aml_vcodec_ctx *ctx,
	struct aml_vdec_hdr_infos *hdr)
{
	int ret = 0;

	if (ctx->drv_handle == 0)
		return -EIO;

	ret = ctx->dec_if->set_param(ctx->drv_handle,
		SET_PARAM_HDR_INFO, hdr);

	return ret;
}
EXPORT_SYMBOL(vdec_v4l_set_hdr_infos);

void aml_vdec_pic_info_update(struct aml_vcodec_ctx *ctx)
{
	if (ctx != NULL)
		ctx->vdec_pic_info_update(ctx);
}

int vdec_v4l_post_evet(struct aml_vcodec_ctx *ctx, u32 event)
{
	int ret = 0;

	if (ctx->drv_handle == 0)
		return -EIO;
	if (event == 1)
		ctx->reset_flag = 2;
	ret = ctx->dec_if->set_param(ctx->drv_handle,
		SET_PARAM_POST_EVENT, &event);

	return ret;
}
EXPORT_SYMBOL(vdec_v4l_post_evet);

int vdec_v4l_res_ch_event(struct aml_vcodec_ctx *ctx)
{
	int ret = 0;
	struct aml_vcodec_dev *dev = ctx->dev;

	if (ctx->drv_handle == 0)
		return -EIO;

	aml_vdec_pic_info_update(ctx);

	mutex_lock(&ctx->state_lock);

	ctx->state = AML_STATE_FLUSHING;/*prepare flushing*/

	pr_info("[%d]: vcodec state (AML_STATE_FLUSHING-RESCHG)\n", ctx->id);

	mutex_unlock(&ctx->state_lock);

	while (ctx->m2m_ctx->job_flags & TRANS_RUNNING) {
		v4l2_m2m_job_pause(dev->m2m_dev_dec, ctx->m2m_ctx);
	}

	return ret;
}
EXPORT_SYMBOL(vdec_v4l_res_ch_event);


int vdec_v4l_write_frame_sync(struct aml_vcodec_ctx *ctx)
{
	int ret = 0;

	if (ctx->drv_handle == 0)
		return -EIO;

	ret = ctx->dec_if->set_param(ctx->drv_handle,
		SET_PARAM_WRITE_FRAME_SYNC, NULL);

	return ret;
}
EXPORT_SYMBOL(vdec_v4l_write_frame_sync);

int vdec_v4l_get_dw_mode(struct aml_vcodec_ctx *ctx,
	unsigned int *dw_mode)
{
	int ret = -1;

	if (ctx->drv_handle == 0)
		return -EIO;

	ret = ctx->dec_if->get_param(ctx->drv_handle,
		GET_PARAM_DW_MODE, dw_mode);

	return ret;
}
EXPORT_SYMBOL(vdec_v4l_get_dw_mode);