![Tiffany Lin](/assets/img/avatar_default.png)
Add v4l2 layer decoder driver for MT8173 [mchehab@s-opensource.com: make checkpatch.pl happy] Signed-off-by: Tiffany Lin <tiffany.lin@mediatek.com> Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
54 lines
1.5 KiB
C
54 lines
1.5 KiB
C
/*
|
|
* Copyright (c) 2016 MediaTek Inc.
|
|
* Author: Tiffany Lin <tiffany.lin@mediatek.com>
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License 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/errno.h>
|
|
#include <linux/wait.h>
|
|
|
|
#include "mtk_vcodec_drv.h"
|
|
#include "mtk_vcodec_intr.h"
|
|
#include "mtk_vcodec_util.h"
|
|
|
|
int mtk_vcodec_wait_for_done_ctx(struct mtk_vcodec_ctx *ctx, int command,
|
|
unsigned int timeout_ms)
|
|
{
|
|
wait_queue_head_t *waitqueue;
|
|
long timeout_jiff, ret;
|
|
int status = 0;
|
|
|
|
waitqueue = (wait_queue_head_t *)&ctx->queue;
|
|
timeout_jiff = msecs_to_jiffies(timeout_ms);
|
|
|
|
ret = wait_event_interruptible_timeout(*waitqueue,
|
|
ctx->int_cond,
|
|
timeout_jiff);
|
|
|
|
if (!ret) {
|
|
status = -1; /* timeout */
|
|
mtk_v4l2_err("[%d] cmd=%d, ctx->type=%d, wait_event_interruptible_timeout time=%ums out %d %d!",
|
|
ctx->id, ctx->type, command, timeout_ms,
|
|
ctx->int_cond, ctx->int_type);
|
|
} else if (-ERESTARTSYS == ret) {
|
|
mtk_v4l2_err("[%d] cmd=%d, ctx->type=%d, wait_event_interruptible_timeout interrupted by a signal %d %d",
|
|
ctx->id, ctx->type, command, ctx->int_cond,
|
|
ctx->int_type);
|
|
status = -1;
|
|
}
|
|
|
|
ctx->int_cond = 0;
|
|
ctx->int_type = 0;
|
|
|
|
return status;
|
|
}
|
|
EXPORT_SYMBOL(mtk_vcodec_wait_for_done_ctx);
|