1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3  * Copyright (c) 2022-2024 Qualcomm Innovation Center, Inc. All rights reserved.
4  */
5 
6 #include <linux/pm_runtime.h>
7 
8 #include "iris_instance.h"
9 #include "iris_utils.h"
10 
11 int iris_get_mbpf(struct iris_inst *inst)
12 {
13 	struct v4l2_format *inp_f = inst->fmt_src;
14 	u32 height = max(inp_f->fmt.pix_mp.height, inst->crop.height);
15 	u32 width = max(inp_f->fmt.pix_mp.width, inst->crop.width);
16 
17 	return NUM_MBS_PER_FRAME(height, width);
18 }
19 
20 int iris_wait_for_session_response(struct iris_inst *inst)
21 {
22 	struct iris_core *core = inst->core;
23 	u32 hw_response_timeout_val;
24 	int ret;
25 
26 	hw_response_timeout_val = core->iris_platform_data->hw_response_timeout;
27 
28 	mutex_unlock(&inst->lock);
29 	ret = wait_for_completion_timeout(&inst->completion,
30 					  msecs_to_jiffies(hw_response_timeout_val));
31 	mutex_lock(&inst->lock);
32 	if (!ret)
33 		return -ETIMEDOUT;
34 
35 	return 0;
36 }
37 
38 struct iris_inst *iris_get_instance(struct iris_core *core, u32 session_id)
39 {
40 	struct iris_inst *inst;
41 
42 	mutex_lock(&core->lock);
43 	list_for_each_entry(inst, &core->instances, list) {
44 		if (inst->session_id == session_id) {
45 			mutex_unlock(&core->lock);
46 			return inst;
47 		}
48 	}
49 
50 	mutex_unlock(&core->lock);
51 	return NULL;
52 }
53