root/drivers/media/platform/qcom/venus/vdec_ctrls.c
// SPDX-License-Identifier: GPL-2.0-only
/*
 * Copyright (c) 2012-2016, The Linux Foundation. All rights reserved.
 * Copyright (C) 2017 Linaro Ltd.
 */
#include <linux/types.h>
#include <media/v4l2-ctrls.h>

#include "core.h"
#include "helpers.h"
#include "vdec.h"

static int vdec_op_s_ctrl(struct v4l2_ctrl *ctrl)
{
        struct venus_inst *inst = ctrl_to_inst(ctrl);
        struct vdec_controls *ctr = &inst->controls.dec;

        switch (ctrl->id) {
        case V4L2_CID_MPEG_VIDEO_DECODER_MPEG4_DEBLOCK_FILTER:
                ctr->post_loop_deb_mode = ctrl->val;
                break;
        case V4L2_CID_MPEG_VIDEO_H264_PROFILE:
        case V4L2_CID_MPEG_VIDEO_MPEG4_PROFILE:
        case V4L2_CID_MPEG_VIDEO_VP8_PROFILE:
        case V4L2_CID_MPEG_VIDEO_VP9_PROFILE:
                ctr->profile = ctrl->val;
                break;
        case V4L2_CID_MPEG_VIDEO_H264_LEVEL:
        case V4L2_CID_MPEG_VIDEO_MPEG4_LEVEL:
        case V4L2_CID_MPEG_VIDEO_VP9_LEVEL:
                ctr->level = ctrl->val;
                break;
        case V4L2_CID_MPEG_VIDEO_DEC_DISPLAY_DELAY:
                ctr->display_delay = ctrl->val;
                break;
        case V4L2_CID_MPEG_VIDEO_DEC_DISPLAY_DELAY_ENABLE:
                ctr->display_delay_enable = ctrl->val;
                break;
        case V4L2_CID_MPEG_VIDEO_DEC_CONCEAL_COLOR:
                ctr->conceal_color = *ctrl->p_new.p_s64;
                break;
        default:
                return -EINVAL;
        }

        return 0;
}

static int vdec_op_g_volatile_ctrl(struct v4l2_ctrl *ctrl)
{
        struct venus_inst *inst = ctrl_to_inst(ctrl);
        struct vdec_controls *ctr = &inst->controls.dec;
        struct hfi_buffer_requirements bufreq;
        enum hfi_version ver = inst->core->res->hfi_version;
        u32 profile, level;
        int ret;

        switch (ctrl->id) {
        case V4L2_CID_MPEG_VIDEO_H264_PROFILE:
        case V4L2_CID_MPEG_VIDEO_MPEG4_PROFILE:
        case V4L2_CID_MPEG_VIDEO_VP8_PROFILE:
        case V4L2_CID_MPEG_VIDEO_VP9_PROFILE:
                ret = venus_helper_get_profile_level(inst, &profile, &level);
                if (!ret)
                        ctr->profile = profile;
                ctrl->val = ctr->profile;
                break;
        case V4L2_CID_MPEG_VIDEO_H264_LEVEL:
        case V4L2_CID_MPEG_VIDEO_MPEG4_LEVEL:
        case V4L2_CID_MPEG_VIDEO_VP9_LEVEL:
                ret = venus_helper_get_profile_level(inst, &profile, &level);
                if (!ret)
                        ctr->level = level;
                ctrl->val = ctr->level;
                break;
        case V4L2_CID_MPEG_VIDEO_DECODER_MPEG4_DEBLOCK_FILTER:
                ctrl->val = ctr->post_loop_deb_mode;
                break;
        case V4L2_CID_MIN_BUFFERS_FOR_CAPTURE:
                ret = venus_helper_get_bufreq(inst, HFI_BUFFER_OUTPUT, &bufreq);
                if (!ret)
                        ctrl->val = hfi_bufreq_get_count_min(&bufreq, ver);
                break;
        default:
                return -EINVAL;
        }

        return 0;
}

static const struct v4l2_ctrl_ops vdec_ctrl_ops = {
        .s_ctrl = vdec_op_s_ctrl,
        .g_volatile_ctrl = vdec_op_g_volatile_ctrl,
};

int vdec_ctrl_init(struct venus_inst *inst)
{
        struct v4l2_ctrl *ctrl;
        int ret;

        ret = v4l2_ctrl_handler_init(&inst->ctrl_handler, 12);
        if (ret)
                return ret;

        ctrl = v4l2_ctrl_new_std_menu(&inst->ctrl_handler, &vdec_ctrl_ops,
                V4L2_CID_MPEG_VIDEO_MPEG4_PROFILE,
                V4L2_MPEG_VIDEO_MPEG4_PROFILE_ADVANCED_CODING_EFFICIENCY,
                ~((1 << V4L2_MPEG_VIDEO_MPEG4_PROFILE_SIMPLE) |
                  (1 << V4L2_MPEG_VIDEO_MPEG4_PROFILE_ADVANCED_SIMPLE)),
                V4L2_MPEG_VIDEO_MPEG4_PROFILE_SIMPLE);
        if (ctrl)
                ctrl->flags |= V4L2_CTRL_FLAG_VOLATILE;

        ctrl = v4l2_ctrl_new_std_menu(&inst->ctrl_handler, &vdec_ctrl_ops,
                                      V4L2_CID_MPEG_VIDEO_MPEG4_LEVEL,
                                      V4L2_MPEG_VIDEO_MPEG4_LEVEL_5,
                                      0, V4L2_MPEG_VIDEO_MPEG4_LEVEL_0);
        if (ctrl)
                ctrl->flags |= V4L2_CTRL_FLAG_VOLATILE;

        ctrl = v4l2_ctrl_new_std_menu(&inst->ctrl_handler, &vdec_ctrl_ops,
                V4L2_CID_MPEG_VIDEO_H264_PROFILE,
                V4L2_MPEG_VIDEO_H264_PROFILE_MULTIVIEW_HIGH,
                ~((1 << V4L2_MPEG_VIDEO_H264_PROFILE_BASELINE) |
                  (1 << V4L2_MPEG_VIDEO_H264_PROFILE_CONSTRAINED_BASELINE) |
                  (1 << V4L2_MPEG_VIDEO_H264_PROFILE_MAIN) |
                  (1 << V4L2_MPEG_VIDEO_H264_PROFILE_HIGH) |
                  (1 << V4L2_MPEG_VIDEO_H264_PROFILE_STEREO_HIGH) |
                  (1 << V4L2_MPEG_VIDEO_H264_PROFILE_MULTIVIEW_HIGH)),
                V4L2_MPEG_VIDEO_H264_PROFILE_BASELINE);
        if (ctrl)
                ctrl->flags |= V4L2_CTRL_FLAG_VOLATILE;

        ctrl = v4l2_ctrl_new_std_menu(&inst->ctrl_handler, &vdec_ctrl_ops,
                                      V4L2_CID_MPEG_VIDEO_H264_LEVEL,
                                      V4L2_MPEG_VIDEO_H264_LEVEL_5_1,
                                      0, V4L2_MPEG_VIDEO_H264_LEVEL_1_0);
        if (ctrl)
                ctrl->flags |= V4L2_CTRL_FLAG_VOLATILE;

        ctrl = v4l2_ctrl_new_std_menu(&inst->ctrl_handler, &vdec_ctrl_ops,
                                      V4L2_CID_MPEG_VIDEO_VP8_PROFILE,
                                      V4L2_MPEG_VIDEO_VP8_PROFILE_3,
                                      0, V4L2_MPEG_VIDEO_VP8_PROFILE_0);
        if (ctrl)
                ctrl->flags |= V4L2_CTRL_FLAG_VOLATILE;

        ctrl = v4l2_ctrl_new_std_menu(&inst->ctrl_handler, &vdec_ctrl_ops,
                                      V4L2_CID_MPEG_VIDEO_VP9_PROFILE,
                                      V4L2_MPEG_VIDEO_VP9_PROFILE_3,
                                      0, V4L2_MPEG_VIDEO_VP9_PROFILE_0);
        if (ctrl)
                ctrl->flags |= V4L2_CTRL_FLAG_VOLATILE;

        ctrl = v4l2_ctrl_new_std_menu(&inst->ctrl_handler, &vdec_ctrl_ops,
                                      V4L2_CID_MPEG_VIDEO_VP9_LEVEL,
                                      V4L2_MPEG_VIDEO_VP9_LEVEL_6_2,
                                      0, V4L2_MPEG_VIDEO_VP9_LEVEL_1_0);
        if (ctrl)
                ctrl->flags |= V4L2_CTRL_FLAG_VOLATILE;

        v4l2_ctrl_new_std(&inst->ctrl_handler, &vdec_ctrl_ops,
                V4L2_CID_MPEG_VIDEO_DECODER_MPEG4_DEBLOCK_FILTER, 0, 1, 1, 0);

        ctrl = v4l2_ctrl_new_std(&inst->ctrl_handler, &vdec_ctrl_ops,
                V4L2_CID_MIN_BUFFERS_FOR_CAPTURE, 1, 32, 1, 1);
        if (ctrl)
                ctrl->flags |= V4L2_CTRL_FLAG_VOLATILE;

        v4l2_ctrl_new_std(&inst->ctrl_handler, &vdec_ctrl_ops,
                          V4L2_CID_MPEG_VIDEO_DEC_DISPLAY_DELAY,
                          0, 16383, 1, 0);

        v4l2_ctrl_new_std(&inst->ctrl_handler, &vdec_ctrl_ops,
                          V4L2_CID_MPEG_VIDEO_DEC_DISPLAY_DELAY_ENABLE,
                          0, 1, 1, 0);

        v4l2_ctrl_new_std(&inst->ctrl_handler, &vdec_ctrl_ops,
                          V4L2_CID_MPEG_VIDEO_DEC_CONCEAL_COLOR, 0,
                          0xffffffffffffLL, 1, 0x8000800010LL);

        ret = inst->ctrl_handler.error;
        if (ret) {
                v4l2_ctrl_handler_free(&inst->ctrl_handler);
                return ret;
        }

        return 0;
}