Srinu Gorle | cf8c675 | 2018-01-19 18:36:13 +0530 | [diff] [blame] | 1 | /* Copyright (c) 2012-2018, The Linux Foundation. All rights reserved. |
| 2 | * |
| 3 | * This program is free software; you can redistribute it and/or modify |
| 4 | * it under the terms of the GNU General Public License version 2 and |
| 5 | * only version 2 as published by the Free Software Foundation. |
| 6 | * |
| 7 | * This program is distributed in the hope that it will be useful, |
| 8 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 9 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 10 | * GNU General Public License for more details. |
| 11 | * |
| 12 | */ |
| 13 | #include <linux/slab.h> |
| 14 | #include "msm_vidc_debug.h" |
| 15 | #include "vidc_hfi_api.h" |
| 16 | #include "venus_hfi.h" |
| 17 | |
| 18 | struct hfi_device *vidc_hfi_initialize(enum msm_vidc_hfi_type hfi_type, |
| 19 | u32 device_id, struct msm_vidc_platform_resources *res, |
| 20 | hfi_cmd_response_callback callback) |
| 21 | { |
| 22 | struct hfi_device *hdev = NULL; |
| 23 | int rc = 0; |
| 24 | |
| 25 | hdev = (struct hfi_device *) |
| 26 | kzalloc(sizeof(struct hfi_device), GFP_KERNEL); |
| 27 | if (!hdev) { |
| 28 | dprintk(VIDC_ERR, "%s: failed to allocate hdev\n", __func__); |
| 29 | return NULL; |
| 30 | } |
| 31 | |
| 32 | switch (hfi_type) { |
| 33 | case VIDC_HFI_VENUS: |
| 34 | rc = venus_hfi_initialize(hdev, device_id, res, callback); |
| 35 | break; |
| 36 | default: |
| 37 | dprintk(VIDC_ERR, "Unsupported host-firmware interface\n"); |
| 38 | goto err_hfi_init; |
| 39 | } |
| 40 | |
| 41 | if (rc) { |
| 42 | if (rc != -EPROBE_DEFER) |
| 43 | dprintk(VIDC_ERR, "%s device init failed rc = %d", |
| 44 | __func__, rc); |
| 45 | goto err_hfi_init; |
| 46 | } |
| 47 | |
| 48 | return hdev; |
| 49 | |
| 50 | err_hfi_init: |
| 51 | kfree(hdev); |
| 52 | return ERR_PTR(rc); |
| 53 | } |
| 54 | |
| 55 | void vidc_hfi_deinitialize(enum msm_vidc_hfi_type hfi_type, |
| 56 | struct hfi_device *hdev) |
| 57 | { |
| 58 | if (!hdev) { |
| 59 | dprintk(VIDC_ERR, "%s invalid device %pK", __func__, hdev); |
| 60 | return; |
| 61 | } |
| 62 | |
| 63 | switch (hfi_type) { |
| 64 | case VIDC_HFI_VENUS: |
| 65 | venus_hfi_delete_device(hdev->hfi_device_data); |
| 66 | break; |
| 67 | default: |
| 68 | dprintk(VIDC_ERR, "Unsupported host-firmware interface\n"); |
| 69 | } |
| 70 | |
| 71 | kfree(hdev); |
| 72 | } |
| 73 | |