iris_vpu2.c

 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/bits.h>
 7#include <linux/iopoll.h>
 8#include <linux/reset.h>
 9
10#include "iris_instance.h"
11#include "iris_vpu_common.h"
12
13#include "iris_vpu_register_defines.h"
14
15static u64 iris_vpu2_calc_freq(struct iris_inst *inst, size_t data_size)
16{
17	struct platform_inst_caps *caps = inst->core->iris_platform_data->inst_caps;
18	struct v4l2_format *inp_f = inst->fmt_src;
19	u32 mbs_per_second, mbpf, height, width;
20	unsigned long vpp_freq, vsp_freq;
21	u32 fps = DEFAULT_FPS;
22
23	width = max(inp_f->fmt.pix_mp.width, inst->crop.width);
24	height = max(inp_f->fmt.pix_mp.height, inst->crop.height);
25
26	mbpf = NUM_MBS_PER_FRAME(height, width);
27	mbs_per_second = mbpf * fps;
28
29	vpp_freq = mbs_per_second * caps->mb_cycles_vpp;
30
31	/* 21 / 20 is overhead factor */
32	vpp_freq += vpp_freq / 20;
33	vsp_freq = mbs_per_second * caps->mb_cycles_vsp;
34
35	/* 10 / 7 is overhead factor */
36	vsp_freq += ((fps * data_size * 8) * 10) / 7;
37
38	return max(vpp_freq, vsp_freq);
39}
40
41const struct vpu_ops iris_vpu2_ops = {
42	.power_off_hw = iris_vpu_power_off_hw,
43	.power_on_hw = iris_vpu_power_on_hw,
44	.power_off_controller = iris_vpu_power_off_controller,
45	.power_on_controller = iris_vpu_power_on_controller,
46	.calc_freq = iris_vpu2_calc_freq,
47};