msm/vidc/vidc_hfi.c

// SPDX-License-Identifier: GPL-2.0-only
/*
 * Copyright (c) 2012-2019, The Linux Foundation. All rights reserved.
 */
#include <linux/slab.h>
#include "msm_vidc_debug.h"
#include "vidc_hfi_api.h"
#include "hfi_common.h"

struct hfi_device *vidc_hfi_initialize(enum msm_vidc_hfi_type hfi_type,
		u32 device_id, struct msm_vidc_platform_resources *res,
		hfi_cmd_response_callback callback)
{
	struct hfi_device *hdev = NULL;
	int rc = 0;

	hdev = kzalloc(sizeof(struct hfi_device), GFP_KERNEL);
	if (!hdev) {
		d_vpr_e("%s: failed to allocate hdev\n", __func__);
		return NULL;
	}

	switch (hfi_type) {
	case VIDC_HFI_VENUS:
		rc = venus_hfi_initialize(hdev, device_id, res, callback);
		break;
	default:
		d_vpr_e("Unsupported host-firmware interface\n");
		goto err_hfi_init;
	}

	if (rc) {
		if (rc != -EPROBE_DEFER)
			d_vpr_e("%s: device init failed rc = %d",
				__func__, rc);
		goto err_hfi_init;
	}

	return hdev;

err_hfi_init:
	kfree(hdev);
	return ERR_PTR(rc);
}

void vidc_hfi_deinitialize(enum msm_vidc_hfi_type hfi_type,
			struct hfi_device *hdev)
{
	if (!hdev) {
		d_vpr_e("%s: invalid device %pK", __func__, hdev);
		return;
	}

	switch (hfi_type) {
	case VIDC_HFI_VENUS:
		venus_hfi_delete_device(hdev->hfi_device_data);
		break;
	default:
		d_vpr_e("Unsupported host-firmware interface\n");
	}

	kfree(hdev);
}