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

   1 // SPDX-License-Identifier: GPL-2.0-only
   2 /*
   3  * Copyright (c) 2012-2016, The Linux Foundation. All rights reserved.
   4  * Copyright (C) 2017 Linaro Ltd.
   5  */
   6 #include <linux/types.h>
   7 #include <media/v4l2-ctrls.h>
   8
   9 #include "core.h"
  10 #include "venc.h"
  11
  12 #define BITRATE_MIN             32000
  13 #define BITRATE_MAX             160000000
  14 #define BITRATE_DEFAULT         1000000
  15 #define BITRATE_DEFAULT_PEAK    (BITRATE_DEFAULT * 2)
  16 #define BITRATE_STEP            100
  17 #define SLICE_BYTE_SIZE_MAX     1024
  18 #define SLICE_BYTE_SIZE_MIN     1024
  19 #define SLICE_MB_SIZE_MAX       300
  20 #define INTRA_REFRESH_MBS_MAX   300
  21 #define AT_SLICE_BOUNDARY       \
  22         V4L2_MPEG_VIDEO_H264_LOOP_FILTER_MODE_DISABLED_AT_SLICE_BOUNDARY
  23
  24 static int venc_calc_bpframes(u32 gop_size, u32 conseq_b, u32 *bf, u32 *pf)
  25 {
  26         u32 half = (gop_size - 1) >> 1;
  27         u32 b, p, ratio;
  28         bool found = false;
  29
  30         if (!gop_size)
  31                 return -EINVAL;
  32
  33         *bf = *pf = 0;
  34
  35         if (!conseq_b) {
  36                 *pf = gop_size -  1;
  37                 return 0;
  38         }
  39
  40         b = p = half;
  41
  42         for (; b <= gop_size - 1; b++, p--) {
  43                 if (b % p)
  44                         continue;
  45
  46                 ratio = b / p;
  47
  48                 if (ratio == conseq_b) {
  49                         found = true;
  50                         break;
  51                 }
  52
  53                 if (ratio > conseq_b)
  54                         break;
  55         }
  56
  57         if (!found)
  58                 return -EINVAL;
  59
  60         if (b + p + 1 != gop_size)
  61                 return -EINVAL;
  62
  63         *bf = b;
  64         *pf = p;
  65
  66         return 0;
  67 }
  68
  69 static int venc_op_s_ctrl(struct v4l2_ctrl *ctrl)
  70 {
  71         struct venus_inst *inst = ctrl_to_inst(ctrl);
  72         struct venc_controls *ctr = &inst->controls.enc;
  73         struct hfi_enable en = { .enable = 1 };
  74         struct hfi_bitrate brate;
  75         u32 bframes;
  76         u32 ptype;
  77         int ret;
  78
  79         switch (ctrl->id) {
  80         case V4L2_CID_MPEG_VIDEO_BITRATE_MODE:
  81                 ctr->bitrate_mode = ctrl->val;
  82                 break;
  83         case V4L2_CID_MPEG_VIDEO_BITRATE:
  84                 ctr->bitrate = ctrl->val;
  85                 mutex_lock(&inst->lock);
  86                 if (inst->streamon_out && inst->streamon_cap) {
  87                         ptype = HFI_PROPERTY_CONFIG_VENC_TARGET_BITRATE;
  88                         brate.bitrate = ctr->bitrate;
  89                         brate.layer_id = 0;
  90
  91                         ret = hfi_session_set_property(inst, ptype, &brate);
  92                         if (ret) {
  93                                 mutex_unlock(&inst->lock);
  94                                 return ret;
  95                         }
  96                 }
  97                 mutex_unlock(&inst->lock);
  98                 break;
  99         case V4L2_CID_MPEG_VIDEO_BITRATE_PEAK:
 100                 ctr->bitrate_peak = ctrl->val;
 101                 break;
 102         case V4L2_CID_MPEG_VIDEO_H264_ENTROPY_MODE:
 103                 ctr->h264_entropy_mode = ctrl->val;
 104                 break;
 105         case V4L2_CID_MPEG_VIDEO_MPEG4_PROFILE:
 106                 ctr->profile.mpeg4 = ctrl->val;
 107                 break;
 108         case V4L2_CID_MPEG_VIDEO_H264_PROFILE:
 109                 ctr->profile.h264 = ctrl->val;
 110                 break;
 111         case V4L2_CID_MPEG_VIDEO_HEVC_PROFILE:
 112                 ctr->profile.hevc = ctrl->val;
 113                 break;
 114         case V4L2_CID_MPEG_VIDEO_VP8_PROFILE:
 115                 ctr->profile.vpx = ctrl->val;
 116                 break;
 117         case V4L2_CID_MPEG_VIDEO_MPEG4_LEVEL:
 118                 ctr->level.mpeg4 = ctrl->val;
 119                 break;
 120         case V4L2_CID_MPEG_VIDEO_H264_LEVEL:
 121                 ctr->level.h264 = ctrl->val;
 122                 break;
 123         case V4L2_CID_MPEG_VIDEO_HEVC_LEVEL:
 124                 ctr->level.hevc = ctrl->val;
 125                 break;
 126         case V4L2_CID_MPEG_VIDEO_H264_I_FRAME_QP:
 127                 ctr->h264_i_qp = ctrl->val;
 128                 break;
 129         case V4L2_CID_MPEG_VIDEO_H264_P_FRAME_QP:
 130                 ctr->h264_p_qp = ctrl->val;
 131                 break;
 132         case V4L2_CID_MPEG_VIDEO_H264_B_FRAME_QP:
 133                 ctr->h264_b_qp = ctrl->val;
 134                 break;
 135         case V4L2_CID_MPEG_VIDEO_H264_MIN_QP:
 136                 ctr->h264_min_qp = ctrl->val;
 137                 break;
 138         case V4L2_CID_MPEG_VIDEO_H264_MAX_QP:
 139                 ctr->h264_max_qp = ctrl->val;
 140                 break;
 141         case V4L2_CID_MPEG_VIDEO_MULTI_SLICE_MODE:
 142                 ctr->multi_slice_mode = ctrl->val;
 143                 break;
 144         case V4L2_CID_MPEG_VIDEO_MULTI_SLICE_MAX_BYTES:
 145                 ctr->multi_slice_max_bytes = ctrl->val;
 146                 break;
 147         case V4L2_CID_MPEG_VIDEO_MULTI_SLICE_MAX_MB:
 148                 ctr->multi_slice_max_mb = ctrl->val;
 149                 break;
 150         case V4L2_CID_MPEG_VIDEO_H264_LOOP_FILTER_ALPHA:
 151                 ctr->h264_loop_filter_alpha = ctrl->val;
 152                 break;
 153         case V4L2_CID_MPEG_VIDEO_H264_LOOP_FILTER_BETA:
 154                 ctr->h264_loop_filter_beta = ctrl->val;
 155                 break;
 156         case V4L2_CID_MPEG_VIDEO_H264_LOOP_FILTER_MODE:
 157                 ctr->h264_loop_filter_mode = ctrl->val;
 158                 break;
 159         case V4L2_CID_MPEG_VIDEO_HEADER_MODE:
 160                 ctr->header_mode = ctrl->val;
 161                 break;
 162         case V4L2_CID_MPEG_VIDEO_CYCLIC_INTRA_REFRESH_MB:
 163                 break;
 164         case V4L2_CID_MPEG_VIDEO_GOP_SIZE:
 165                 ret = venc_calc_bpframes(ctrl->val, ctr->num_b_frames, &bframes,
 166                                          &ctr->num_p_frames);
 167                 if (ret)
 168                         return ret;
 169
 170                 ctr->gop_size = ctrl->val;
 171                 break;
 172         case V4L2_CID_MPEG_VIDEO_H264_I_PERIOD:
 173                 ctr->h264_i_period = ctrl->val;
 174                 break;
 175         case V4L2_CID_MPEG_VIDEO_VPX_MIN_QP:
 176                 ctr->vp8_min_qp = ctrl->val;
 177                 break;
 178         case V4L2_CID_MPEG_VIDEO_VPX_MAX_QP:
 179                 ctr->vp8_max_qp = ctrl->val;
 180                 break;
 181         case V4L2_CID_MPEG_VIDEO_B_FRAMES:
 182                 ret = venc_calc_bpframes(ctr->gop_size, ctrl->val, &bframes,
 183                                          &ctr->num_p_frames);
 184                 if (ret)
 185                         return ret;
 186
 187                 ctr->num_b_frames = bframes;
 188                 break;
 189         case V4L2_CID_MPEG_VIDEO_FORCE_KEY_FRAME:
 190                 mutex_lock(&inst->lock);
 191                 if (inst->streamon_out && inst->streamon_cap) {
 192                         ptype = HFI_PROPERTY_CONFIG_VENC_REQUEST_SYNC_FRAME;
 193                         ret = hfi_session_set_property(inst, ptype, &en);
 194
 195                         if (ret) {
 196                                 mutex_unlock(&inst->lock);
 197                                 return ret;
 198                         }
 199                 }
 200                 mutex_unlock(&inst->lock);
 201                 break;
 202         case V4L2_CID_MPEG_VIDEO_FRAME_RC_ENABLE:
 203                 ctr->rc_enable = ctrl->val;
 204                 break;
 205         default:
 206                 return -EINVAL;
 207         }
 208
 209         return 0;
 210 }
 211
 212 static const struct v4l2_ctrl_ops venc_ctrl_ops = {
 213         .s_ctrl = venc_op_s_ctrl,
 214 };
 215
 216 int venc_ctrl_init(struct venus_inst *inst)
 217 {
 218         int ret;
 219
 220         ret = v4l2_ctrl_handler_init(&inst->ctrl_handler, 31);
 221         if (ret)
 222                 return ret;
 223
 224         v4l2_ctrl_new_std_menu(&inst->ctrl_handler, &venc_ctrl_ops,
 225                 V4L2_CID_MPEG_VIDEO_BITRATE_MODE,
 226                 V4L2_MPEG_VIDEO_BITRATE_MODE_CBR,
 227                 ~((1 << V4L2_MPEG_VIDEO_BITRATE_MODE_VBR) |
 228                   (1 << V4L2_MPEG_VIDEO_BITRATE_MODE_CBR)),
 229                 V4L2_MPEG_VIDEO_BITRATE_MODE_VBR);
 230
 231         v4l2_ctrl_new_std_menu(&inst->ctrl_handler, &venc_ctrl_ops,
 232                 V4L2_CID_MPEG_VIDEO_H264_ENTROPY_MODE,
 233                 V4L2_MPEG_VIDEO_H264_ENTROPY_MODE_CABAC,
 234                 0, V4L2_MPEG_VIDEO_H264_ENTROPY_MODE_CAVLC);
 235
 236         v4l2_ctrl_new_std_menu(&inst->ctrl_handler, &venc_ctrl_ops,
 237                 V4L2_CID_MPEG_VIDEO_MPEG4_PROFILE,
 238                 V4L2_MPEG_VIDEO_MPEG4_PROFILE_ADVANCED_CODING_EFFICIENCY,
 239                 ~((1 << V4L2_MPEG_VIDEO_MPEG4_PROFILE_SIMPLE) |
 240                   (1 << V4L2_MPEG_VIDEO_MPEG4_PROFILE_ADVANCED_SIMPLE)),
 241                 V4L2_MPEG_VIDEO_MPEG4_PROFILE_SIMPLE);
 242
 243         v4l2_ctrl_new_std_menu(&inst->ctrl_handler, &venc_ctrl_ops,
 244                 V4L2_CID_MPEG_VIDEO_MPEG4_LEVEL,
 245                 V4L2_MPEG_VIDEO_MPEG4_LEVEL_5,
 246                 0, V4L2_MPEG_VIDEO_MPEG4_LEVEL_0);
 247
 248         v4l2_ctrl_new_std_menu(&inst->ctrl_handler, &venc_ctrl_ops,
 249                 V4L2_CID_MPEG_VIDEO_HEVC_PROFILE,
 250                 V4L2_MPEG_VIDEO_HEVC_PROFILE_MAIN_10,
 251                 ~((1 << V4L2_MPEG_VIDEO_HEVC_PROFILE_MAIN) |
 252                   (1 << V4L2_MPEG_VIDEO_HEVC_PROFILE_MAIN_STILL_PICTURE) |
 253                   (1 << V4L2_MPEG_VIDEO_HEVC_PROFILE_MAIN_10)),
 254                 V4L2_MPEG_VIDEO_HEVC_PROFILE_MAIN);
 255
 256         v4l2_ctrl_new_std_menu(&inst->ctrl_handler, &venc_ctrl_ops,
 257                 V4L2_CID_MPEG_VIDEO_HEVC_LEVEL,
 258                 V4L2_MPEG_VIDEO_HEVC_LEVEL_6_2,
 259                 0, V4L2_MPEG_VIDEO_HEVC_LEVEL_1);
 260
 261         v4l2_ctrl_new_std_menu(&inst->ctrl_handler, &venc_ctrl_ops,
 262                 V4L2_CID_MPEG_VIDEO_H264_PROFILE,
 263                 V4L2_MPEG_VIDEO_H264_PROFILE_MULTIVIEW_HIGH,
 264                 ~((1 << V4L2_MPEG_VIDEO_H264_PROFILE_BASELINE) |
 265                   (1 << V4L2_MPEG_VIDEO_H264_PROFILE_CONSTRAINED_BASELINE) |
 266                   (1 << V4L2_MPEG_VIDEO_H264_PROFILE_MAIN) |
 267                   (1 << V4L2_MPEG_VIDEO_H264_PROFILE_HIGH) |
 268                   (1 << V4L2_MPEG_VIDEO_H264_PROFILE_STEREO_HIGH) |
 269                   (1 << V4L2_MPEG_VIDEO_H264_PROFILE_MULTIVIEW_HIGH)),
 270                 V4L2_MPEG_VIDEO_H264_PROFILE_HIGH);
 271
 272         v4l2_ctrl_new_std_menu(&inst->ctrl_handler, &venc_ctrl_ops,
 273                 V4L2_CID_MPEG_VIDEO_H264_LEVEL,
 274                 V4L2_MPEG_VIDEO_H264_LEVEL_5_1,
 275                 0, V4L2_MPEG_VIDEO_H264_LEVEL_1_0);
 276
 277         v4l2_ctrl_new_std_menu(&inst->ctrl_handler, &venc_ctrl_ops,
 278                 V4L2_CID_MPEG_VIDEO_H264_LOOP_FILTER_MODE,
 279                 AT_SLICE_BOUNDARY,
 280                 0, V4L2_MPEG_VIDEO_H264_LOOP_FILTER_MODE_DISABLED);
 281
 282         v4l2_ctrl_new_std_menu(&inst->ctrl_handler, &venc_ctrl_ops,
 283                 V4L2_CID_MPEG_VIDEO_HEADER_MODE,
 284                 V4L2_MPEG_VIDEO_HEADER_MODE_JOINED_WITH_1ST_FRAME,
 285                 1 << V4L2_MPEG_VIDEO_HEADER_MODE_JOINED_WITH_1ST_FRAME,
 286                 V4L2_MPEG_VIDEO_HEADER_MODE_SEPARATE);
 287
 288         v4l2_ctrl_new_std_menu(&inst->ctrl_handler, &venc_ctrl_ops,
 289                 V4L2_CID_MPEG_VIDEO_MULTI_SLICE_MODE,
 290                 V4L2_MPEG_VIDEO_MULTI_SLICE_MODE_MAX_BYTES,
 291                 0, V4L2_MPEG_VIDEO_MULTI_SLICE_MODE_SINGLE);
 292
 293         v4l2_ctrl_new_std_menu(&inst->ctrl_handler, &venc_ctrl_ops,
 294                 V4L2_CID_MPEG_VIDEO_VP8_PROFILE,
 295                 V4L2_MPEG_VIDEO_VP8_PROFILE_3,
 296                 0, V4L2_MPEG_VIDEO_VP8_PROFILE_0);
 297
 298         v4l2_ctrl_new_std(&inst->ctrl_handler, &venc_ctrl_ops,
 299                 V4L2_CID_MPEG_VIDEO_BITRATE, BITRATE_MIN, BITRATE_MAX,
 300                 BITRATE_STEP, BITRATE_DEFAULT);
 301
 302         v4l2_ctrl_new_std(&inst->ctrl_handler, &venc_ctrl_ops,
 303                 V4L2_CID_MPEG_VIDEO_BITRATE_PEAK, BITRATE_MIN, BITRATE_MAX,
 304                 BITRATE_STEP, BITRATE_DEFAULT_PEAK);
 305
 306         v4l2_ctrl_new_std(&inst->ctrl_handler, &venc_ctrl_ops,
 307                 V4L2_CID_MPEG_VIDEO_H264_I_FRAME_QP, 1, 51, 1, 26);
 308
 309         v4l2_ctrl_new_std(&inst->ctrl_handler, &venc_ctrl_ops,
 310                 V4L2_CID_MPEG_VIDEO_H264_P_FRAME_QP, 1, 51, 1, 28);
 311
 312         v4l2_ctrl_new_std(&inst->ctrl_handler, &venc_ctrl_ops,
 313                 V4L2_CID_MPEG_VIDEO_H264_B_FRAME_QP, 1, 51, 1, 30);
 314
 315         v4l2_ctrl_new_std(&inst->ctrl_handler, &venc_ctrl_ops,
 316                 V4L2_CID_MPEG_VIDEO_H264_MIN_QP, 1, 51, 1, 1);
 317
 318         v4l2_ctrl_new_std(&inst->ctrl_handler, &venc_ctrl_ops,
 319                 V4L2_CID_MPEG_VIDEO_H264_MAX_QP, 1, 51, 1, 51);
 320
 321         v4l2_ctrl_new_std(&inst->ctrl_handler, &venc_ctrl_ops,
 322                 V4L2_CID_MPEG_VIDEO_MULTI_SLICE_MAX_BYTES, SLICE_BYTE_SIZE_MIN,
 323                 SLICE_BYTE_SIZE_MAX, 1, SLICE_BYTE_SIZE_MIN);
 324
 325         v4l2_ctrl_new_std(&inst->ctrl_handler, &venc_ctrl_ops,
 326                 V4L2_CID_MPEG_VIDEO_MULTI_SLICE_MAX_MB, 1,
 327                 SLICE_MB_SIZE_MAX, 1, 1);
 328
 329         v4l2_ctrl_new_std(&inst->ctrl_handler, &venc_ctrl_ops,
 330                 V4L2_CID_MPEG_VIDEO_H264_LOOP_FILTER_ALPHA, -6, 6, 1, 0);
 331
 332         v4l2_ctrl_new_std(&inst->ctrl_handler, &venc_ctrl_ops,
 333                 V4L2_CID_MPEG_VIDEO_H264_LOOP_FILTER_BETA, -6, 6, 1, 0);
 334
 335         v4l2_ctrl_new_std(&inst->ctrl_handler, &venc_ctrl_ops,
 336                 V4L2_CID_MPEG_VIDEO_CYCLIC_INTRA_REFRESH_MB,
 337                 0, INTRA_REFRESH_MBS_MAX, 1, 0);
 338
 339         v4l2_ctrl_new_std(&inst->ctrl_handler, &venc_ctrl_ops,
 340                 V4L2_CID_MPEG_VIDEO_GOP_SIZE, 0, (1 << 16) - 1, 1, 30);
 341
 342         v4l2_ctrl_new_std(&inst->ctrl_handler, &venc_ctrl_ops,
 343                 V4L2_CID_MPEG_VIDEO_VPX_MIN_QP, 1, 128, 1, 1);
 344
 345         v4l2_ctrl_new_std(&inst->ctrl_handler, &venc_ctrl_ops,
 346                 V4L2_CID_MPEG_VIDEO_VPX_MAX_QP, 1, 128, 1, 128);
 347
 348         v4l2_ctrl_new_std(&inst->ctrl_handler, &venc_ctrl_ops,
 349                 V4L2_CID_MPEG_VIDEO_B_FRAMES, 0, 4, 1, 0);
 350
 351         v4l2_ctrl_new_std(&inst->ctrl_handler, &venc_ctrl_ops,
 352                 V4L2_CID_MPEG_VIDEO_H264_I_PERIOD, 0, (1 << 16) - 1, 1, 0);
 353
 354         v4l2_ctrl_new_std(&inst->ctrl_handler, &venc_ctrl_ops,
 355                           V4L2_CID_MPEG_VIDEO_FORCE_KEY_FRAME, 0, 0, 0, 0);
 356
 357         v4l2_ctrl_new_std(&inst->ctrl_handler, &venc_ctrl_ops,
 358                           V4L2_CID_MPEG_VIDEO_FRAME_RC_ENABLE, 0, 1, 1, 1);
 359
 360         ret = inst->ctrl_handler.error;
 361         if (ret)
 362                 goto err;
 363
 364         ret = v4l2_ctrl_handler_setup(&inst->ctrl_handler);
 365         if (ret)
 366                 goto err;
 367
 368         return 0;
 369 err:
 370         v4l2_ctrl_handler_free(&inst->ctrl_handler);
 371         return ret;
 372 }
 373
 374 void venc_ctrl_deinit(struct venus_inst *inst)
 375 {
 376         v4l2_ctrl_handler_free(&inst->ctrl_handler);
 377 }