drivers/media/platform/mediatek/vcodec/mtk_vcodec_intr.c

   1 // SPDX-License-Identifier: GPL-2.0
   2 /*
   3 * Copyright (c) 2016 MediaTek Inc.
   4 * Author: Tiffany Lin <tiffany.lin@mediatek.com>
   5 */
   6
   7 #include <linux/errno.h>
   8 #include <linux/wait.h>
   9
  10 #include "mtk_vcodec_drv.h"
  11 #include "mtk_vcodec_intr.h"
  12 #include "mtk_vcodec_util.h"
  13
  14 int mtk_vcodec_wait_for_done_ctx(struct mtk_vcodec_ctx *ctx,
  15                                  int command, unsigned int timeout_ms,
  16                                  unsigned int hw_id)
  17 {
  18         long timeout_jiff, ret;
  19         int status = 0;
  20
  21         timeout_jiff = msecs_to_jiffies(timeout_ms);
  22         ret = wait_event_interruptible_timeout(ctx->queue[hw_id],
  23                                                ctx->int_cond[hw_id],
  24                                                timeout_jiff);
  25
  26         if (!ret) {
  27                 status = -1;    /* timeout */
  28                 mtk_v4l2_err("[%d] cmd=%d, type=%d, dec timeout=%ums (%d %d)",
  29                              ctx->id, command, ctx->type, timeout_ms,
  30                              ctx->int_cond[hw_id], ctx->int_type[hw_id]);
  31         } else if (-ERESTARTSYS == ret) {
  32                 status = -1;
  33                 mtk_v4l2_err("[%d] cmd=%d, type=%d, dec inter fail (%d %d)",
  34                              ctx->id, command, ctx->type,
  35                              ctx->int_cond[hw_id], ctx->int_type[hw_id]);
  36         }
  37
  38         ctx->int_cond[hw_id] = 0;
  39         ctx->int_type[hw_id] = 0;
  40
  41         return status;
  42 }
  43 EXPORT_SYMBOL(mtk_vcodec_wait_for_done_ctx);