// SPDX-License-Identifier: MIT
/*
 * Copyright © 2023 Intel Corporation
 */

#include <linux/kobject.h>
#include <linux/sysfs.h>
#include <drm/drm_managed.h>

#include "xe_pm.h"
#include "xe_tile.h"
#include "xe_tile_sysfs.h"
#include "xe_vram_freq.h"

static void xe_tile_sysfs_kobj_release(struct kobject *kobj)
{
        kfree(kobj);
}

static const struct kobj_type xe_tile_sysfs_kobj_type = {
        .release = xe_tile_sysfs_kobj_release,
        .sysfs_ops = &kobj_sysfs_ops,
};

static void tile_sysfs_fini(void *arg)
{
        struct xe_tile *tile = arg;

        kobject_put(tile->sysfs);
}

int xe_tile_sysfs_init(struct xe_tile *tile)
{
        struct xe_device *xe = tile_to_xe(tile);
        struct device *dev = xe->drm.dev;
        struct kobj_tile *kt;
        int err;

        kt = kzalloc_obj(*kt);
        if (!kt)
                return -ENOMEM;

        kobject_init(&kt->base, &xe_tile_sysfs_kobj_type);
        kt->tile = tile;

        err = kobject_add(&kt->base, &dev->kobj, "tile%d", tile->id);
        if (err)
                goto err_object;

        tile->sysfs = &kt->base;

        err = xe_vram_freq_sysfs_init(tile);
        if (err)
                goto err_object;

        return devm_add_action_or_reset(xe->drm.dev, tile_sysfs_fini, tile);

err_object:
        kobject_put(&kt->base);
        return err;
}