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

   1 /*
   2  * Copyright (c) 2016 MediaTek Inc.
   3  * Author: PC Chen <pc.chen@mediatek.com>
   4  *
   5  * This program is free software; you can redistribute it and/or
   6  * modify
   7  * it under the terms of the GNU General Public License version 2 as
   8  * published by the Free Software Foundation.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  */
  15
  16 #ifndef _VDEC_IPI_MSG_H_
  17 #define _VDEC_IPI_MSG_H_
  18
  19 /**
  20  * enum vdec_ipi_msgid - message id between AP and VPU
  21  * @AP_IPIMSG_XXX       : AP to VPU cmd message id
  22  * @VPU_IPIMSG_XXX_ACK  : VPU ack AP cmd message id
  23  */
  24 enum vdec_ipi_msgid {
  25         AP_IPIMSG_DEC_INIT = 0xA000,
  26         AP_IPIMSG_DEC_START = 0xA001,
  27         AP_IPIMSG_DEC_END = 0xA002,
  28         AP_IPIMSG_DEC_DEINIT = 0xA003,
  29         AP_IPIMSG_DEC_RESET = 0xA004,
  30
  31         VPU_IPIMSG_DEC_INIT_ACK = 0xB000,
  32         VPU_IPIMSG_DEC_START_ACK = 0xB001,
  33         VPU_IPIMSG_DEC_END_ACK = 0xB002,
  34         VPU_IPIMSG_DEC_DEINIT_ACK = 0xB003,
  35         VPU_IPIMSG_DEC_RESET_ACK = 0xB004,
  36 };
  37
  38 /**
  39  * struct vdec_ap_ipi_cmd - generic AP to VPU ipi command format
  40  * @msg_id      : vdec_ipi_msgid
  41  * @vpu_inst_addr       : VPU decoder instance address
  42  */
  43 struct vdec_ap_ipi_cmd {
  44         uint32_t msg_id;
  45         uint32_t vpu_inst_addr;
  46 };
  47
  48 /**
  49  * struct vdec_vpu_ipi_ack - generic VPU to AP ipi command format
  50  * @msg_id      : vdec_ipi_msgid
  51  * @status      : VPU exeuction result
  52  * @ap_inst_addr        : AP video decoder instance address
  53  */
  54 struct vdec_vpu_ipi_ack {
  55         uint32_t msg_id;
  56         int32_t status;
  57         uint64_t ap_inst_addr;
  58 };
  59
  60 /**
  61  * struct vdec_ap_ipi_init - for AP_IPIMSG_DEC_INIT
  62  * @msg_id      : AP_IPIMSG_DEC_INIT
  63  * @reserved    : Reserved field
  64  * @ap_inst_addr        : AP video decoder instance address
  65  */
  66 struct vdec_ap_ipi_init {
  67         uint32_t msg_id;
  68         uint32_t reserved;
  69         uint64_t ap_inst_addr;
  70 };
  71
  72 /**
  73  * struct vdec_ap_ipi_dec_start - for AP_IPIMSG_DEC_START
  74  * @msg_id      : AP_IPIMSG_DEC_START
  75  * @vpu_inst_addr       : VPU decoder instance address
  76  * @data        : Header info
  77  *      H264 decoder [0]:buf_sz [1]:nal_start
  78  *      VP8 decoder  [0]:width/height
  79  *      VP9 decoder  [0]:profile, [1][2] width/height
  80  * @reserved    : Reserved field
  81  */
  82 struct vdec_ap_ipi_dec_start {
  83         uint32_t msg_id;
  84         uint32_t vpu_inst_addr;
  85         uint32_t data[3];
  86         uint32_t reserved;
  87 };
  88
  89 /**
  90  * struct vdec_vpu_ipi_init_ack - for VPU_IPIMSG_DEC_INIT_ACK
  91  * @msg_id      : VPU_IPIMSG_DEC_INIT_ACK
  92  * @status      : VPU exeuction result
  93  * @ap_inst_addr        : AP vcodec_vpu_inst instance address
  94  * @vpu_inst_addr       : VPU decoder instance address
  95  */
  96 struct vdec_vpu_ipi_init_ack {
  97         uint32_t msg_id;
  98         int32_t status;
  99         uint64_t ap_inst_addr;
 100         uint32_t vpu_inst_addr;
 101 };
 102
 103 #endif