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 "../decoder/mtk_vcodec_dec_drv.h"
11 #include "../encoder/mtk_vcodec_enc_drv.h"
12 #include "mtk_vcodec_intr.h"
13 
14 int mtk_vcodec_wait_for_done_ctx(void *priv, int command, unsigned int timeout_ms,
15 				 unsigned int hw_id)
16 {
17 	int instance_type = *((int *)priv);
18 	long timeout_jiff, ret;
19 	int ctx_id, ctx_type, status = 0;
20 	int *ctx_int_cond, *ctx_int_type;
21 	wait_queue_head_t *ctx_queue;
22 	struct platform_device *pdev;
23 
24 	if (instance_type == DECODER) {
25 		struct mtk_vcodec_dec_ctx *ctx;
26 
27 		ctx = priv;
28 		ctx_id = ctx->id;
29 		ctx_type = ctx->type;
30 		ctx_int_cond = ctx->int_cond;
31 		ctx_int_type = ctx->int_type;
32 		ctx_queue = ctx->queue;
33 		pdev = ctx->dev->plat_dev;
34 	} else {
35 		struct mtk_vcodec_enc_ctx *ctx;
36 
37 		ctx = priv;
38 		ctx_id = ctx->id;
39 		ctx_type = ctx->type;
40 		ctx_int_cond = ctx->int_cond;
41 		ctx_int_type = ctx->int_type;
42 		ctx_queue = ctx->queue;
43 		pdev = ctx->dev->plat_dev;
44 	}
45 
46 	timeout_jiff = msecs_to_jiffies(timeout_ms);
47 	ret = wait_event_interruptible_timeout(ctx_queue[hw_id],
48 					       ctx_int_cond[hw_id],
49 					       timeout_jiff);
50 
51 	if (!ret) {
52 		status = -1;	/* timeout */
53 		dev_err(&pdev->dev, "[%d] cmd=%d, type=%d, dec timeout=%ums (%d %d)",
54 			ctx_id, command, ctx_type, timeout_ms,
55 			ctx_int_cond[hw_id], ctx_int_type[hw_id]);
56 	} else if (-ERESTARTSYS == ret) {
57 		status = -1;
58 		dev_err(&pdev->dev, "[%d] cmd=%d, type=%d, dec inter fail (%d %d)",
59 			ctx_id, command, ctx_type,
60 			ctx_int_cond[hw_id], ctx_int_type[hw_id]);
61 	}
62 
63 	ctx_int_cond[hw_id] = 0;
64 	ctx_int_type[hw_id] = 0;
65 
66 	return status;
67 }
68 EXPORT_SYMBOL(mtk_vcodec_wait_for_done_ctx);
69