drivers/media/platform/mtk-vcodec/vdec_ipi_msg.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   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  */
  15 enum 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  */
  34 struct 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  */
  45 struct 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  */
  57 struct 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  */
  73 struct 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  */
  87 struct 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