LXR linux/drivers/media/platform/mtk-vcodec/vdec_ipi

   1/* SPDX-License-Identifier: GPL-2.0-only */
   2/*
   3 * Copyright (c) 2016 MediaTek Inc.
   4 * Author: PC Chen <pc.chen@mediatek.com>
   5 */
   6
   7#ifndef _VDEC_IPI_MSG_H_
   8#define _VDEC_IPI_MSG_H_
   9
  10/**
  11 * enum vdec_ipi_msgid - message id between AP and VPU
  12 * @AP_IPIMSG_XXX       : AP to VPU cmd message id
  13 * @VPU_IPIMSG_XXX_ACK  : VPU ack AP cmd message id
  14 */
  15enum vdec_ipi_msgid {
  16        AP_IPIMSG_DEC_INIT = 0xA000,
  17        AP_IPIMSG_DEC_START = 0xA001,
  18        AP_IPIMSG_DEC_END = 0xA002,
  19        AP_IPIMSG_DEC_DEINIT = 0xA003,
  20        AP_IPIMSG_DEC_RESET = 0xA004,
  21
  22        VPU_IPIMSG_DEC_INIT_ACK = 0xB000,
  23        VPU_IPIMSG_DEC_START_ACK = 0xB001,
  24        VPU_IPIMSG_DEC_END_ACK = 0xB002,
  25        VPU_IPIMSG_DEC_DEINIT_ACK = 0xB003,
  26        VPU_IPIMSG_DEC_RESET_ACK = 0xB004,
  27};
  28
  29/**
  30 * struct vdec_ap_ipi_cmd - generic AP to VPU ipi command format
  31 * @msg_id      : vdec_ipi_msgid
  32 * @vpu_inst_addr       : VPU decoder instance address
  33 */
  34struct vdec_ap_ipi_cmd {
  35        uint32_t msg_id;
  36        uint32_t vpu_inst_addr;
  37};
  38
  39/**
  40 * struct vdec_vpu_ipi_ack - generic VPU to AP ipi command format
  41 * @msg_id      : vdec_ipi_msgid
  42 * @status      : VPU exeuction result
  43 * @ap_inst_addr        : AP video decoder instance address
  44 */
  45struct vdec_vpu_ipi_ack {
  46        uint32_t msg_id;
  47        int32_t status;
  48        uint64_t ap_inst_addr;
  49};
  50
  51/**
  52 * struct vdec_ap_ipi_init - for AP_IPIMSG_DEC_INIT
  53 * @msg_id      : AP_IPIMSG_DEC_INIT
  54 * @reserved    : Reserved field
  55 * @ap_inst_addr        : AP video decoder instance address
  56 */
  57struct vdec_ap_ipi_init {
  58        uint32_t msg_id;
  59        uint32_t reserved;
  60        uint64_t ap_inst_addr;
  61};
  62
  63/**
  64 * struct vdec_ap_ipi_dec_start - for AP_IPIMSG_DEC_START
  65 * @msg_id      : AP_IPIMSG_DEC_START
  66 * @vpu_inst_addr       : VPU decoder instance address
  67 * @data        : Header info
  68 *      H264 decoder [0]:buf_sz [1]:nal_start
  69 *      VP8 decoder  [0]:width/height
  70 *      VP9 decoder  [0]:profile, [1][2] width/height
  71 * @reserved    : Reserved field
  72 */
  73struct vdec_ap_ipi_dec_start {
  74        uint32_t msg_id;
  75        uint32_t vpu_inst_addr;
  76        uint32_t data[3];
  77        uint32_t reserved;
  78};
  79
  80/**
  81 * struct vdec_vpu_ipi_init_ack - for VPU_IPIMSG_DEC_INIT_ACK
  82 * @msg_id      : VPU_IPIMSG_DEC_INIT_ACK
  83 * @status      : VPU exeuction result
  84 * @ap_inst_addr        : AP vcodec_vpu_inst instance address
  85 * @vpu_inst_addr       : VPU decoder instance address
  86 */
  87struct vdec_vpu_ipi_init_ack {
  88        uint32_t msg_id;
  89        int32_t status;
  90        uint64_t ap_inst_addr;
  91        uint32_t vpu_inst_addr;
  92};
  93
  94#endif
  95