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// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (c) 2022-2024 Qualcomm Innovation Center, Inc. All rights reserved.
*/
#include "iris_instance.h"
#include "iris_vb2.h"
int iris_vb2_queue_setup(struct vb2_queue *q,
unsigned int *num_buffers, unsigned int *num_planes,
unsigned int sizes[], struct device *alloc_devs[])
{
struct iris_inst *inst;
struct iris_core *core;
struct v4l2_format *f;
int ret = 0;
inst = vb2_get_drv_priv(q);
mutex_lock(&inst->lock);
core = inst->core;
f = V4L2_TYPE_IS_OUTPUT(q->type) ? inst->fmt_src : inst->fmt_dst;
if (*num_planes) {
if (*num_planes != f->fmt.pix_mp.num_planes ||
sizes[0] < f->fmt.pix_mp.plane_fmt[0].sizeimage)
ret = -EINVAL;
goto unlock;
}
if (!inst->once_per_session_set) {
inst->once_per_session_set = true;
ret = core->hfi_ops->session_open(inst);
if (ret) {
ret = -EINVAL;
dev_err(core->dev, "session open failed\n");
goto unlock;
}
}
*num_planes = 1;
sizes[0] = f->fmt.pix_mp.plane_fmt[0].sizeimage;
unlock:
mutex_unlock(&inst->lock);
return ret;
}
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