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38fc8beaba
Implement the reqbuf IOCTL op and the vb2_queue_setup vb2 op in the driver with necessary hooks. Reviewed-by: Hans Verkuil <hverkuil@xs4all.nl> Tested-by: Stefan Schmidt <stefan.schmidt@linaro.org> # x1e80100 (Dell XPS 13 9345) Reviewed-by: Stefan Schmidt <stefan.schmidt@linaro.org> Tested-by: Neil Armstrong <neil.armstrong@linaro.org> # on SM8550-QRD Tested-by: Neil Armstrong <neil.armstrong@linaro.org> # on SM8550-HDK Signed-off-by: Dikshita Agarwal <quic_dikshita@quicinc.com> Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
53 lines
1.2 KiB
C
53 lines
1.2 KiB
C
// SPDX-License-Identifier: GPL-2.0-only
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/*
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* Copyright (c) 2022-2024 Qualcomm Innovation Center, Inc. All rights reserved.
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*/
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#include <linux/pm_runtime.h>
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#include "iris_instance.h"
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#include "iris_utils.h"
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int iris_get_mbpf(struct iris_inst *inst)
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{
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struct v4l2_format *inp_f = inst->fmt_src;
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u32 height = max(inp_f->fmt.pix_mp.height, inst->crop.height);
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u32 width = max(inp_f->fmt.pix_mp.width, inst->crop.width);
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return NUM_MBS_PER_FRAME(height, width);
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}
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int iris_wait_for_session_response(struct iris_inst *inst)
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{
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struct iris_core *core = inst->core;
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u32 hw_response_timeout_val;
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int ret;
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hw_response_timeout_val = core->iris_platform_data->hw_response_timeout;
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mutex_unlock(&inst->lock);
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ret = wait_for_completion_timeout(&inst->completion,
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msecs_to_jiffies(hw_response_timeout_val));
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mutex_lock(&inst->lock);
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if (!ret)
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return -ETIMEDOUT;
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return 0;
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}
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struct iris_inst *iris_get_instance(struct iris_core *core, u32 session_id)
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{
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struct iris_inst *inst;
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mutex_lock(&core->lock);
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list_for_each_entry(inst, &core->instances, list) {
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if (inst->session_id == session_id) {
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mutex_unlock(&core->lock);
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return inst;
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}
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}
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mutex_unlock(&core->lock);
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return NULL;
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}
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