2 * drivers/media/video/samsung/mfc5/s5p_mfc_intr.c
4 * C file for Samsung MFC (Multi Function Codec - FIMV) driver
5 * This file contains functions used to wait for command completion.
7 * Kamil Debski, Copyright (C) 2011 Samsung Electronics Co., Ltd.
8 * http://www.samsung.com/
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License version 2 as
12 * published by the Free Software Foundation.
15 #include <linux/delay.h>
16 #include <linux/errno.h>
18 #include <linux/sched.h>
19 #include <linux/wait.h>
21 #include "s5p_mfc_common.h"
22 #include "s5p_mfc_debug.h"
23 #include "s5p_mfc_intr.h"
25 int s5p_mfc_wait_for_done_dev(struct s5p_mfc_dev *dev, int command)
29 ret = wait_event_interruptible_timeout(dev->queue,
30 (dev->int_cond && (dev->int_type == command
31 || dev->int_type == S5P_FIMV_R2H_CMD_ERR_RET)),
32 msecs_to_jiffies(MFC_INT_TIMEOUT));
34 mfc_err("Interrupt (dev->int_type:%d, command:%d) timed out\n",
35 dev->int_type, command);
37 } else if (ret == -ERESTARTSYS) {
38 mfc_err("Interrupted by a signal\n");
41 mfc_debug(1, "Finished waiting (dev->int_type:%d, command: %d)\n",
42 dev->int_type, command);
43 if (dev->int_type == S5P_FIMV_R2H_CMD_ERR_RET)
48 void s5p_mfc_clean_dev_int_flags(struct s5p_mfc_dev *dev)
55 int s5p_mfc_wait_for_done_ctx(struct s5p_mfc_ctx *ctx,
56 int command, int interrupt)
61 ret = wait_event_interruptible_timeout(ctx->queue,
62 (ctx->int_cond && (ctx->int_type == command
63 || ctx->int_type == S5P_FIMV_R2H_CMD_ERR_RET)),
64 msecs_to_jiffies(MFC_INT_TIMEOUT));
66 ret = wait_event_timeout(ctx->queue,
67 (ctx->int_cond && (ctx->int_type == command
68 || ctx->int_type == S5P_FIMV_R2H_CMD_ERR_RET)),
69 msecs_to_jiffies(MFC_INT_TIMEOUT));
72 mfc_err("Interrupt (ctx->int_type:%d, command:%d) timed out\n",
73 ctx->int_type, command);
75 } else if (ret == -ERESTARTSYS) {
76 mfc_err("Interrupted by a signal\n");
79 mfc_debug(1, "Finished waiting (ctx->int_type:%d, command: %d)\n",
80 ctx->int_type, command);
81 if (ctx->int_type == S5P_FIMV_R2H_CMD_ERR_RET)
86 void s5p_mfc_clean_ctx_int_flags(struct s5p_mfc_ctx *ctx)