projects / linux-2.6-block.git / blame
| Commit | Line | Data |
|---|---|---|
| 9293e39c | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
| 590577a4 TL |
2 | /* |
| 3 | * Copyright (c) 2016 MediaTek Inc. | |
| 4 | * Author: PC Chen <pc.chen@mediatek.com> | |
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5 | */ |
| 6 | ||
| 7 | #ifndef _VDEC_VPU_IF_H_ | |
| 8 | #define _VDEC_VPU_IF_H_ | |
| 9 | ||
| bf1d556a YD |
10 | #include "mtk_vcodec_fw.h" |
| 11 | ||
| 12 | struct mtk_vcodec_ctx; | |
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13 | |
| 14 | /** | |
| 15 | * struct vdec_vpu_inst - VPU instance for video codec | |
| bf1d556a | 16 | * @id : ipi msg id for each decoder |
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17 | * @vsi : driver structure allocated by VPU side and shared to AP side |
| 18 | * for control and info share | |
| 19 | * @failure : VPU execution result status, 0: success, others: fail | |
| 20 | * @inst_addr : VPU decoder instance address | |
| 21 | * @signaled : 1 - Host has received ack message from VPU, 0 - not received | |
| 22 | * @ctx : context for v4l2 layer integration | |
| 4a3fad70 | 23 | * @dev : platform device of VPU |
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24 | * @wq : wait queue to wait VPU message ack |
| 25 | * @handler : ipi handler for each decoder | |
| 26 | */ | |
| 27 | struct vdec_vpu_inst { | |
| bf1d556a | 28 | int id; |
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29 | void *vsi; |
| 30 | int32_t failure; | |
| 31 | uint32_t inst_addr; | |
| 32 | unsigned int signaled; | |
| 33 | struct mtk_vcodec_ctx *ctx; | |
| 590577a4 | 34 | wait_queue_head_t wq; |
| bf1d556a | 35 | mtk_vcodec_ipi_handler handler; |
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36 | }; |
| 37 | ||
| 38 | /** | |
| 39 | * vpu_dec_init - init decoder instance and allocate required resource in VPU. | |
| 40 | * | |
| 41 | * @vpu: instance for vdec_vpu_inst | |
| 42 | */ | |
| 43 | int vpu_dec_init(struct vdec_vpu_inst *vpu); | |
| 44 | ||
| 45 | /** | |
| 46 | * vpu_dec_start - start decoding, basically the function will be invoked once | |
| 47 | * every frame. | |
| 48 | * | |
| 49 | * @vpu : instance for vdec_vpu_inst | |
| 50 | * @data: meta data to pass bitstream info to VPU decoder | |
| 51 | * @len : meta data length | |
| 52 | */ | |
| 53 | int vpu_dec_start(struct vdec_vpu_inst *vpu, uint32_t *data, unsigned int len); | |
| 54 | ||
| 55 | /** | |
| 56 | * vpu_dec_end - end decoding, basically the function will be invoked once | |
| 57 | * when HW decoding done interrupt received successfully. The | |
| 8b72c18d | 58 | * decoder in VPU will continue to do reference frame management |
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59 | * and check if there is a new decoded frame available to display. |
| 60 | * | |
| 61 | * @vpu : instance for vdec_vpu_inst | |
| 62 | */ | |
| 63 | int vpu_dec_end(struct vdec_vpu_inst *vpu); | |
| 64 | ||
| 65 | /** | |
| 66 | * vpu_dec_deinit - deinit decoder instance and resource freed in VPU. | |
| 67 | * | |
| 68 | * @vpu: instance for vdec_vpu_inst | |
| 69 | */ | |
| 70 | int vpu_dec_deinit(struct vdec_vpu_inst *vpu); | |
| 71 | ||
| 72 | /** | |
| 73 | * vpu_dec_reset - reset decoder, use for flush decoder when end of stream or | |
| 74 | * seek. Remainig non displayed frame will be pushed to display. | |
| 75 | * | |
| 76 | * @vpu: instance for vdec_vpu_inst | |
| 77 | */ | |
| 78 | int vpu_dec_reset(struct vdec_vpu_inst *vpu); | |
| 79 | ||
| 590577a4 | 80 | #endif |