| // SPDX-License-Identifier: GPL-2.0-only |
| /* |
| * Copyright (c) 2012-2020, The Linux Foundation. All rights reserved. |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License version 2 and |
| * only version 2 as published by the Free Software Foundation. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| */ |
| #include <linux/slab.h> |
| #include "msm_vidc_debug.h" |
| #include "vidc_hfi_api.h" |
| #include "venus_hfi.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) { |
| dprintk(VIDC_ERR, "%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: |
| dprintk(VIDC_ERR, "Unsupported host-firmware interface\n"); |
| goto err_hfi_init; |
| } |
| |
| if (rc) { |
| if (rc != -EPROBE_DEFER) |
| dprintk(VIDC_ERR, "%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) { |
| dprintk(VIDC_ERR, "%s invalid device %pK", __func__, hdev); |
| return; |
| } |
| |
| switch (hfi_type) { |
| case VIDC_HFI_VENUS: |
| venus_hfi_delete_device(hdev->hfi_device_data); |
| break; |
| default: |
| dprintk(VIDC_ERR, "Unsupported host-firmware interface\n"); |
| } |
| |
| kfree(hdev); |
| } |
| |