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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 | /* SPDX-License-Identifier: GPL-2.0 */ /* * Copyright (c) 2016 MediaTek Inc. * Author: PC Chen <pc.chen@mediatek.com> */ #ifndef _VDEC_VPU_IF_H_ #define _VDEC_VPU_IF_H_ struct mtk_vcodec_dec_ctx; /** * struct vdec_vpu_inst - VPU instance for video codec * @id : ipi msg id for each decoder * @core_id : core id used to separate different hardware * @vsi : driver structure allocated by VPU side and shared to AP side * for control and info share * @failure : VPU execution result status, 0: success, others: fail * @inst_addr : VPU decoder instance address * @fw_abi_version : ABI version of the firmware. * @inst_id : if fw_abi_version >= 2, contains the instance ID to be given * in place of inst_addr in messages. * @signaled : 1 - Host has received ack message from VPU, 0 - not received * @ctx : context for v4l2 layer integration * @dev : platform device of VPU * @wq : wait queue to wait VPU message ack * @handler : ipi handler for each decoder * @codec_type : use codec type to separate different codecs * @capture_type: used capture type to separate different capture format * @fb_sz : frame buffer size of each plane */ struct vdec_vpu_inst { int id; int core_id; void *vsi; int32_t failure; uint32_t inst_addr; uint32_t fw_abi_version; uint32_t inst_id; unsigned int signaled; struct mtk_vcodec_dec_ctx *ctx; wait_queue_head_t wq; mtk_vcodec_ipi_handler handler; unsigned int codec_type; unsigned int capture_type; unsigned int fb_sz[2]; }; /** * vpu_dec_init - init decoder instance and allocate required resource in VPU. * * @vpu: instance for vdec_vpu_inst */ int vpu_dec_init(struct vdec_vpu_inst *vpu); /** * vpu_dec_start - start decoding, basically the function will be invoked once * every frame. * * @vpu : instance for vdec_vpu_inst * @data: meta data to pass bitstream info to VPU decoder * @len : meta data length */ int vpu_dec_start(struct vdec_vpu_inst *vpu, uint32_t *data, unsigned int len); /** * vpu_dec_end - end decoding, basically the function will be invoked once * when HW decoding done interrupt received successfully. The * decoder in VPU will continue to do reference frame management * and check if there is a new decoded frame available to display. * * @vpu : instance for vdec_vpu_inst */ int vpu_dec_end(struct vdec_vpu_inst *vpu); /** * vpu_dec_deinit - deinit decoder instance and resource freed in VPU. * * @vpu: instance for vdec_vpu_inst */ int vpu_dec_deinit(struct vdec_vpu_inst *vpu); /** * vpu_dec_reset - reset decoder, use for flush decoder when end of stream or * seek. Remainig non displayed frame will be pushed to display. * * @vpu: instance for vdec_vpu_inst */ int vpu_dec_reset(struct vdec_vpu_inst *vpu); /** * vpu_dec_core - core start decoding, basically the function will be invoked once * every frame. * * @vpu : instance for vdec_vpu_inst */ int vpu_dec_core(struct vdec_vpu_inst *vpu); /** * vpu_dec_core_end - core end decoding, basically the function will be invoked once * when core HW decoding done and receive interrupt successfully. The * decoder in VPU will updata hardware information and deinit hardware * and check if there is a new decoded frame available to display. * * @vpu : instance for vdec_vpu_inst */ int vpu_dec_core_end(struct vdec_vpu_inst *vpu); /** * vpu_dec_get_param - get param from scp * * @vpu : instance for vdec_vpu_inst * @data: meta data to pass bitstream info to VPU decoder * @len : meta data length * @param_type : get param type */ int vpu_dec_get_param(struct vdec_vpu_inst *vpu, uint32_t *data, unsigned int len, unsigned int param_type); #endif |