drivers/media/platform/qcom/venus/vdec_ctrls.c

   1 /*
   2  * Copyright (c) 2012-2016, The Linux Foundation. All rights reserved.
   3  * Copyright (C) 2017 Linaro Ltd.
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License version 2 and
   7  * only version 2 as published by the Free Software Foundation.
   8  *
   9  * This program is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  *
  14  */
  15 #include <linux/types.h>
  16 #include <media/v4l2-ctrls.h>
  17
  18 #include "core.h"
  19 #include "vdec.h"
  20
  21 static int vdec_op_s_ctrl(struct v4l2_ctrl *ctrl)
  22 {
  23         struct venus_inst *inst = ctrl_to_inst(ctrl);
  24         struct vdec_controls *ctr = &inst->controls.dec;
  25
  26         switch (ctrl->id) {
  27         case V4L2_CID_MPEG_VIDEO_DECODER_MPEG4_DEBLOCK_FILTER:
  28                 ctr->post_loop_deb_mode = ctrl->val;
  29                 break;
  30         case V4L2_CID_MPEG_VIDEO_H264_PROFILE:
  31         case V4L2_CID_MPEG_VIDEO_MPEG4_PROFILE:
  32         case V4L2_CID_MPEG_VIDEO_VPX_PROFILE:
  33                 ctr->profile = ctrl->val;
  34                 break;
  35         case V4L2_CID_MPEG_VIDEO_H264_LEVEL:
  36         case V4L2_CID_MPEG_VIDEO_MPEG4_LEVEL:
  37                 ctr->level = ctrl->val;
  38                 break;
  39         default:
  40                 return -EINVAL;
  41         }
  42
  43         return 0;
  44 }
  45
  46 static int vdec_op_g_volatile_ctrl(struct v4l2_ctrl *ctrl)
  47 {
  48         struct venus_inst *inst = ctrl_to_inst(ctrl);
  49         struct vdec_controls *ctr = &inst->controls.dec;
  50         union hfi_get_property hprop;
  51         u32 ptype = HFI_PROPERTY_PARAM_PROFILE_LEVEL_CURRENT;
  52         int ret;
  53
  54         switch (ctrl->id) {
  55         case V4L2_CID_MPEG_VIDEO_H264_PROFILE:
  56         case V4L2_CID_MPEG_VIDEO_MPEG4_PROFILE:
  57         case V4L2_CID_MPEG_VIDEO_VPX_PROFILE:
  58                 ret = hfi_session_get_property(inst, ptype, &hprop);
  59                 if (!ret)
  60                         ctr->profile = hprop.profile_level.profile;
  61                 ctrl->val = ctr->profile;
  62                 break;
  63         case V4L2_CID_MPEG_VIDEO_H264_LEVEL:
  64         case V4L2_CID_MPEG_VIDEO_MPEG4_LEVEL:
  65                 ret = hfi_session_get_property(inst, ptype, &hprop);
  66                 if (!ret)
  67                         ctr->level = hprop.profile_level.level;
  68                 ctrl->val = ctr->level;
  69                 break;
  70         case V4L2_CID_MPEG_VIDEO_DECODER_MPEG4_DEBLOCK_FILTER:
  71                 ctrl->val = ctr->post_loop_deb_mode;
  72                 break;
  73         case V4L2_CID_MIN_BUFFERS_FOR_CAPTURE:
  74                 ctrl->val = inst->num_output_bufs;
  75                 break;
  76         default:
  77                 return -EINVAL;
  78         };
  79
  80         return 0;
  81 }
  82
  83 static const struct v4l2_ctrl_ops vdec_ctrl_ops = {
  84         .s_ctrl = vdec_op_s_ctrl,
  85         .g_volatile_ctrl = vdec_op_g_volatile_ctrl,
  86 };
  87
  88 int vdec_ctrl_init(struct venus_inst *inst)
  89 {
  90         struct v4l2_ctrl *ctrl;
  91         int ret;
  92
  93         ret = v4l2_ctrl_handler_init(&inst->ctrl_handler, 7);
  94         if (ret)
  95                 return ret;
  96
  97         ctrl = v4l2_ctrl_new_std_menu(&inst->ctrl_handler, &vdec_ctrl_ops,
  98                 V4L2_CID_MPEG_VIDEO_MPEG4_PROFILE,
  99                 V4L2_MPEG_VIDEO_MPEG4_PROFILE_ADVANCED_CODING_EFFICIENCY,
 100                 ~((1 << V4L2_MPEG_VIDEO_MPEG4_PROFILE_SIMPLE) |
 101                   (1 << V4L2_MPEG_VIDEO_MPEG4_PROFILE_ADVANCED_SIMPLE)),
 102                 V4L2_MPEG_VIDEO_MPEG4_PROFILE_SIMPLE);
 103         if (ctrl)
 104                 ctrl->flags |= V4L2_CTRL_FLAG_VOLATILE;
 105
 106         ctrl = v4l2_ctrl_new_std_menu(&inst->ctrl_handler, &vdec_ctrl_ops,
 107                                       V4L2_CID_MPEG_VIDEO_MPEG4_LEVEL,
 108                                       V4L2_MPEG_VIDEO_MPEG4_LEVEL_5,
 109                                       0, V4L2_MPEG_VIDEO_MPEG4_LEVEL_0);
 110         if (ctrl)
 111                 ctrl->flags |= V4L2_CTRL_FLAG_VOLATILE;
 112
 113         ctrl = v4l2_ctrl_new_std_menu(&inst->ctrl_handler, &vdec_ctrl_ops,
 114                 V4L2_CID_MPEG_VIDEO_H264_PROFILE,
 115                 V4L2_MPEG_VIDEO_H264_PROFILE_MULTIVIEW_HIGH,
 116                 ~((1 << V4L2_MPEG_VIDEO_H264_PROFILE_BASELINE) |
 117                   (1 << V4L2_MPEG_VIDEO_H264_PROFILE_CONSTRAINED_BASELINE) |
 118                   (1 << V4L2_MPEG_VIDEO_H264_PROFILE_MAIN) |
 119                   (1 << V4L2_MPEG_VIDEO_H264_PROFILE_HIGH) |
 120                   (1 << V4L2_MPEG_VIDEO_H264_PROFILE_STEREO_HIGH) |
 121                   (1 << V4L2_MPEG_VIDEO_H264_PROFILE_MULTIVIEW_HIGH)),
 122                 V4L2_MPEG_VIDEO_H264_PROFILE_BASELINE);
 123         if (ctrl)
 124                 ctrl->flags |= V4L2_CTRL_FLAG_VOLATILE;
 125
 126         ctrl = v4l2_ctrl_new_std_menu(&inst->ctrl_handler, &vdec_ctrl_ops,
 127                                       V4L2_CID_MPEG_VIDEO_H264_LEVEL,
 128                                       V4L2_MPEG_VIDEO_H264_LEVEL_5_1,
 129                                       0, V4L2_MPEG_VIDEO_H264_LEVEL_1_0);
 130         if (ctrl)
 131                 ctrl->flags |= V4L2_CTRL_FLAG_VOLATILE;
 132
 133         ctrl = v4l2_ctrl_new_std(&inst->ctrl_handler, &vdec_ctrl_ops,
 134                                  V4L2_CID_MPEG_VIDEO_VPX_PROFILE, 0, 3, 1, 0);
 135         if (ctrl)
 136                 ctrl->flags |= V4L2_CTRL_FLAG_VOLATILE;
 137
 138         v4l2_ctrl_new_std(&inst->ctrl_handler, &vdec_ctrl_ops,
 139                 V4L2_CID_MPEG_VIDEO_DECODER_MPEG4_DEBLOCK_FILTER, 0, 1, 1, 0);
 140
 141         ctrl = v4l2_ctrl_new_std(&inst->ctrl_handler, &vdec_ctrl_ops,
 142                 V4L2_CID_MIN_BUFFERS_FOR_CAPTURE, 1, 32, 1, 1);
 143         if (ctrl)
 144                 ctrl->flags |= V4L2_CTRL_FLAG_VOLATILE;
 145
 146         ret = inst->ctrl_handler.error;
 147         if (ret) {
 148                 v4l2_ctrl_handler_free(&inst->ctrl_handler);
 149                 return ret;
 150         }
 151
 152         return 0;
 153 }
 154
 155 void vdec_ctrl_deinit(struct venus_inst *inst)
 156 {
 157         v4l2_ctrl_handler_free(&inst->ctrl_handler);
 158 }