drivers/media/platform/mtk-vcodec/mtk_vcodec_enc.c

   1 /*
   2 * Copyright (c) 2016 MediaTek Inc.
   3 * Author: PC Chen <pc.chen@mediatek.com>
   4 *         Tiffany Lin <tiffany.lin@mediatek.com>
   5 *
   6 * This program is free software; you can redistribute it and/or 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 #include <media/v4l2-event.h>
  17 #include <media/v4l2-mem2mem.h>
  18 #include <media/videobuf2-dma-contig.h>
  19 #include <soc/mediatek/smi.h>
  20
  21 #include "mtk_vcodec_drv.h"
  22 #include "mtk_vcodec_enc.h"
  23 #include "mtk_vcodec_intr.h"
  24 #include "mtk_vcodec_util.h"
  25 #include "venc_drv_if.h"
  26
  27 #define MTK_VENC_MIN_W  160U
  28 #define MTK_VENC_MIN_H  128U
  29 #define MTK_VENC_MAX_W  1920U
  30 #define MTK_VENC_MAX_H  1088U
  31 #define DFT_CFG_WIDTH   MTK_VENC_MIN_W
  32 #define DFT_CFG_HEIGHT  MTK_VENC_MIN_H
  33 #define MTK_MAX_CTRLS_HINT      20
  34 #define OUT_FMT_IDX             0
  35 #define CAP_FMT_IDX             4
  36
  37
  38 static void mtk_venc_worker(struct work_struct *work);
  39
  40 static struct mtk_video_fmt mtk_video_formats[] = {
  41         {
  42                 .fourcc = V4L2_PIX_FMT_NV12M,
  43                 .type = MTK_FMT_FRAME,
  44                 .num_planes = 2,
  45         },
  46         {
  47                 .fourcc = V4L2_PIX_FMT_NV21M,
  48                 .type = MTK_FMT_FRAME,
  49                 .num_planes = 2,
  50         },
  51         {
  52                 .fourcc = V4L2_PIX_FMT_YUV420M,
  53                 .type = MTK_FMT_FRAME,
  54                 .num_planes = 3,
  55         },
  56         {
  57                 .fourcc = V4L2_PIX_FMT_YVU420M,
  58                 .type = MTK_FMT_FRAME,
  59                 .num_planes = 3,
  60         },
  61         {
  62                 .fourcc = V4L2_PIX_FMT_H264,
  63                 .type = MTK_FMT_ENC,
  64                 .num_planes = 1,
  65         },
  66         {
  67                 .fourcc = V4L2_PIX_FMT_VP8,
  68                 .type = MTK_FMT_ENC,
  69                 .num_planes = 1,
  70         },
  71 };
  72
  73 #define NUM_FORMATS ARRAY_SIZE(mtk_video_formats)
  74
  75 static const struct mtk_codec_framesizes mtk_venc_framesizes[] = {
  76         {
  77                 .fourcc = V4L2_PIX_FMT_H264,
  78                 .stepwise = { MTK_VENC_MIN_W, MTK_VENC_MAX_W, 16,
  79                               MTK_VENC_MIN_H, MTK_VENC_MAX_H, 16 },
  80         },
  81         {
  82                 .fourcc = V4L2_PIX_FMT_VP8,
  83                 .stepwise = { MTK_VENC_MIN_W, MTK_VENC_MAX_W, 16,
  84                               MTK_VENC_MIN_H, MTK_VENC_MAX_H, 16 },
  85         },
  86 };
  87
  88 #define NUM_SUPPORTED_FRAMESIZE ARRAY_SIZE(mtk_venc_framesizes)
  89
  90 static int vidioc_venc_s_ctrl(struct v4l2_ctrl *ctrl)
  91 {
  92         struct mtk_vcodec_ctx *ctx = ctrl_to_ctx(ctrl);
  93         struct mtk_enc_params *p = &ctx->enc_params;
  94         int ret = 0;
  95
  96         switch (ctrl->id) {
  97         case V4L2_CID_MPEG_VIDEO_BITRATE:
  98                 mtk_v4l2_debug(2, "V4L2_CID_MPEG_VIDEO_BITRATE val = %d",
  99                                ctrl->val);
 100                 p->bitrate = ctrl->val;
 101                 ctx->param_change |= MTK_ENCODE_PARAM_BITRATE;
 102                 break;
 103         case V4L2_CID_MPEG_VIDEO_B_FRAMES:
 104                 mtk_v4l2_debug(2, "V4L2_CID_MPEG_VIDEO_B_FRAMES val = %d",
 105                                ctrl->val);
 106                 p->num_b_frame = ctrl->val;
 107                 break;
 108         case V4L2_CID_MPEG_VIDEO_FRAME_RC_ENABLE:
 109                 mtk_v4l2_debug(2, "V4L2_CID_MPEG_VIDEO_FRAME_RC_ENABLE val = %d",
 110                                ctrl->val);
 111                 p->rc_frame = ctrl->val;
 112                 break;
 113         case V4L2_CID_MPEG_VIDEO_H264_MAX_QP:
 114                 mtk_v4l2_debug(2, "V4L2_CID_MPEG_VIDEO_H264_MAX_QP val = %d",
 115                                ctrl->val);
 116                 p->h264_max_qp = ctrl->val;
 117                 break;
 118         case V4L2_CID_MPEG_VIDEO_HEADER_MODE:
 119                 mtk_v4l2_debug(2, "V4L2_CID_MPEG_VIDEO_HEADER_MODE val = %d",
 120                                ctrl->val);
 121                 p->seq_hdr_mode = ctrl->val;
 122                 break;
 123         case V4L2_CID_MPEG_VIDEO_MB_RC_ENABLE:
 124                 mtk_v4l2_debug(2, "V4L2_CID_MPEG_VIDEO_MB_RC_ENABLE val = %d",
 125                                ctrl->val);
 126                 p->rc_mb = ctrl->val;
 127                 break;
 128         case V4L2_CID_MPEG_VIDEO_H264_PROFILE:
 129                 mtk_v4l2_debug(2, "V4L2_CID_MPEG_VIDEO_H264_PROFILE val = %d",
 130                                ctrl->val);
 131                 p->h264_profile = ctrl->val;
 132                 break;
 133         case V4L2_CID_MPEG_VIDEO_H264_LEVEL:
 134                 mtk_v4l2_debug(2, "V4L2_CID_MPEG_VIDEO_H264_LEVEL val = %d",
 135                                ctrl->val);
 136                 p->h264_level = ctrl->val;
 137                 break;
 138         case V4L2_CID_MPEG_VIDEO_H264_I_PERIOD:
 139                 mtk_v4l2_debug(2, "V4L2_CID_MPEG_VIDEO_H264_I_PERIOD val = %d",
 140                                ctrl->val);
 141                 p->intra_period = ctrl->val;
 142                 ctx->param_change |= MTK_ENCODE_PARAM_INTRA_PERIOD;
 143                 break;
 144         case V4L2_CID_MPEG_VIDEO_GOP_SIZE:
 145                 mtk_v4l2_debug(2, "V4L2_CID_MPEG_VIDEO_GOP_SIZE val = %d",
 146                                ctrl->val);
 147                 p->gop_size = ctrl->val;
 148                 ctx->param_change |= MTK_ENCODE_PARAM_GOP_SIZE;
 149                 break;
 150         case V4L2_CID_MPEG_VIDEO_FORCE_KEY_FRAME:
 151                 mtk_v4l2_debug(2, "V4L2_CID_MPEG_VIDEO_FORCE_KEY_FRAME");
 152                 p->force_intra = 1;
 153                 ctx->param_change |= MTK_ENCODE_PARAM_FORCE_INTRA;
 154                 break;
 155         default:
 156                 ret = -EINVAL;
 157                 break;
 158         }
 159
 160         return ret;
 161 }
 162
 163 static const struct v4l2_ctrl_ops mtk_vcodec_enc_ctrl_ops = {
 164         .s_ctrl = vidioc_venc_s_ctrl,
 165 };
 166
 167 static int vidioc_enum_fmt(struct v4l2_fmtdesc *f, bool output_queue)
 168 {
 169         struct mtk_video_fmt *fmt;
 170         int i, j = 0;
 171
 172         for (i = 0; i < NUM_FORMATS; ++i) {
 173                 if (output_queue && mtk_video_formats[i].type != MTK_FMT_FRAME)
 174                         continue;
 175                 if (!output_queue && mtk_video_formats[i].type != MTK_FMT_ENC)
 176                         continue;
 177
 178                 if (j == f->index) {
 179                         fmt = &mtk_video_formats[i];
 180                         f->pixelformat = fmt->fourcc;
 181                         memset(f->reserved, 0, sizeof(f->reserved));
 182                         return 0;
 183                 }
 184                 ++j;
 185         }
 186
 187         return -EINVAL;
 188 }
 189
 190 static int vidioc_enum_framesizes(struct file *file, void *fh,
 191                                   struct v4l2_frmsizeenum *fsize)
 192 {
 193         int i = 0;
 194
 195         if (fsize->index != 0)
 196                 return -EINVAL;
 197
 198         for (i = 0; i < NUM_SUPPORTED_FRAMESIZE; ++i) {
 199                 if (fsize->pixel_format != mtk_venc_framesizes[i].fourcc)
 200                         continue;
 201
 202                 fsize->type = V4L2_FRMSIZE_TYPE_STEPWISE;
 203                 fsize->stepwise = mtk_venc_framesizes[i].stepwise;
 204                 return 0;
 205         }
 206
 207         return -EINVAL;
 208 }
 209
 210 static int vidioc_enum_fmt_vid_cap_mplane(struct file *file, void *pirv,
 211                                           struct v4l2_fmtdesc *f)
 212 {
 213         return vidioc_enum_fmt(f, false);
 214 }
 215
 216 static int vidioc_enum_fmt_vid_out_mplane(struct file *file, void *prov,
 217                                           struct v4l2_fmtdesc *f)
 218 {
 219         return vidioc_enum_fmt(f, true);
 220 }
 221
 222 static int vidioc_venc_querycap(struct file *file, void *priv,
 223                                 struct v4l2_capability *cap)
 224 {
 225         strlcpy(cap->driver, MTK_VCODEC_ENC_NAME, sizeof(cap->driver));
 226         strlcpy(cap->bus_info, MTK_PLATFORM_STR, sizeof(cap->bus_info));
 227         strlcpy(cap->card, MTK_PLATFORM_STR, sizeof(cap->card));
 228
 229         return 0;
 230 }
 231
 232 static int vidioc_venc_s_parm(struct file *file, void *priv,
 233                               struct v4l2_streamparm *a)
 234 {
 235         struct mtk_vcodec_ctx *ctx = fh_to_ctx(priv);
 236
 237         if (a->type != V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
 238                 return -EINVAL;
 239
 240         ctx->enc_params.framerate_num =
 241                         a->parm.output.timeperframe.denominator;
 242         ctx->enc_params.framerate_denom =
 243                         a->parm.output.timeperframe.numerator;
 244         ctx->param_change |= MTK_ENCODE_PARAM_FRAMERATE;
 245
 246         return 0;
 247 }
 248
 249 static int vidioc_venc_g_parm(struct file *file, void *priv,
 250                               struct v4l2_streamparm *a)
 251 {
 252         struct mtk_vcodec_ctx *ctx = fh_to_ctx(priv);
 253
 254         if (a->type != V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
 255                 return -EINVAL;
 256
 257         a->parm.output.timeperframe.denominator =
 258                         ctx->enc_params.framerate_num;
 259         a->parm.output.timeperframe.numerator =
 260                         ctx->enc_params.framerate_denom;
 261
 262         return 0;
 263 }
 264
 265 static struct mtk_q_data *mtk_venc_get_q_data(struct mtk_vcodec_ctx *ctx,
 266                                               enum v4l2_buf_type type)
 267 {
 268         if (V4L2_TYPE_IS_OUTPUT(type))
 269                 return &ctx->q_data[MTK_Q_DATA_SRC];
 270
 271         return &ctx->q_data[MTK_Q_DATA_DST];
 272 }
 273
 274 static struct mtk_video_fmt *mtk_venc_find_format(struct v4l2_format *f)
 275 {
 276         struct mtk_video_fmt *fmt;
 277         unsigned int k;
 278
 279         for (k = 0; k < NUM_FORMATS; k++) {
 280                 fmt = &mtk_video_formats[k];
 281                 if (fmt->fourcc == f->fmt.pix.pixelformat)
 282                         return fmt;
 283         }
 284
 285         return NULL;
 286 }
 287
 288 /* V4L2 specification suggests the driver corrects the format struct if any of
 289  * the dimensions is unsupported
 290  */
 291 static int vidioc_try_fmt(struct v4l2_format *f, struct mtk_video_fmt *fmt)
 292 {
 293         struct v4l2_pix_format_mplane *pix_fmt_mp = &f->fmt.pix_mp;
 294         int i;
 295
 296         pix_fmt_mp->field = V4L2_FIELD_NONE;
 297
 298         if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
 299                 pix_fmt_mp->num_planes = 1;
 300                 pix_fmt_mp->plane_fmt[0].bytesperline = 0;
 301         } else if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
 302                 int tmp_w, tmp_h;
 303
 304                 pix_fmt_mp->height = clamp(pix_fmt_mp->height,
 305                                         MTK_VENC_MIN_H,
 306                                         MTK_VENC_MAX_H);
 307                 pix_fmt_mp->width = clamp(pix_fmt_mp->width,
 308                                         MTK_VENC_MIN_W,
 309                                         MTK_VENC_MAX_W);
 310
 311                 /* find next closer width align 16, heign align 32, size align
 312                  * 64 rectangle
 313                  */
 314                 tmp_w = pix_fmt_mp->width;
 315                 tmp_h = pix_fmt_mp->height;
 316                 v4l_bound_align_image(&pix_fmt_mp->width,
 317                                         MTK_VENC_MIN_W,
 318                                         MTK_VENC_MAX_W, 4,
 319                                         &pix_fmt_mp->height,
 320                                         MTK_VENC_MIN_H,
 321                                         MTK_VENC_MAX_H, 5, 6);
 322
 323                 if (pix_fmt_mp->width < tmp_w &&
 324                         (pix_fmt_mp->width + 16) <= MTK_VENC_MAX_W)
 325                         pix_fmt_mp->width += 16;
 326                 if (pix_fmt_mp->height < tmp_h &&
 327                         (pix_fmt_mp->height + 32) <= MTK_VENC_MAX_H)
 328                         pix_fmt_mp->height += 32;
 329
 330                 mtk_v4l2_debug(0,
 331                         "before resize width=%d, height=%d, after resize width=%d, height=%d, sizeimage=%d %d",
 332                         tmp_w, tmp_h, pix_fmt_mp->width,
 333                         pix_fmt_mp->height,
 334                         pix_fmt_mp->plane_fmt[0].sizeimage,
 335                         pix_fmt_mp->plane_fmt[1].sizeimage);
 336
 337                 pix_fmt_mp->num_planes = fmt->num_planes;
 338                 pix_fmt_mp->plane_fmt[0].sizeimage =
 339                                 pix_fmt_mp->width * pix_fmt_mp->height +
 340                                 ((ALIGN(pix_fmt_mp->width, 16) * 2) * 16);
 341                 pix_fmt_mp->plane_fmt[0].bytesperline = pix_fmt_mp->width;
 342
 343                 if (pix_fmt_mp->num_planes == 2) {
 344                         pix_fmt_mp->plane_fmt[1].sizeimage =
 345                                 (pix_fmt_mp->width * pix_fmt_mp->height) / 2 +
 346                                 (ALIGN(pix_fmt_mp->width, 16) * 16);
 347                         pix_fmt_mp->plane_fmt[2].sizeimage = 0;
 348                         pix_fmt_mp->plane_fmt[1].bytesperline =
 349                                                         pix_fmt_mp->width;
 350                         pix_fmt_mp->plane_fmt[2].bytesperline = 0;
 351                 } else if (pix_fmt_mp->num_planes == 3) {
 352                         pix_fmt_mp->plane_fmt[1].sizeimage =
 353                         pix_fmt_mp->plane_fmt[2].sizeimage =
 354                                 (pix_fmt_mp->width * pix_fmt_mp->height) / 4 +
 355                                 ((ALIGN(pix_fmt_mp->width, 16) / 2) * 16);
 356                         pix_fmt_mp->plane_fmt[1].bytesperline =
 357                                 pix_fmt_mp->plane_fmt[2].bytesperline =
 358                                 pix_fmt_mp->width / 2;
 359                 }
 360         }
 361
 362         for (i = 0; i < pix_fmt_mp->num_planes; i++)
 363                 memset(&(pix_fmt_mp->plane_fmt[i].reserved[0]), 0x0,
 364                            sizeof(pix_fmt_mp->plane_fmt[0].reserved));
 365
 366         pix_fmt_mp->flags = 0;
 367         memset(&pix_fmt_mp->reserved, 0x0,
 368                 sizeof(pix_fmt_mp->reserved));
 369
 370         return 0;
 371 }
 372
 373 static void mtk_venc_set_param(struct mtk_vcodec_ctx *ctx,
 374                                 struct venc_enc_param *param)
 375 {
 376         struct mtk_q_data *q_data_src = &ctx->q_data[MTK_Q_DATA_SRC];
 377         struct mtk_enc_params *enc_params = &ctx->enc_params;
 378
 379         switch (q_data_src->fmt->fourcc) {
 380         case V4L2_PIX_FMT_YUV420M:
 381                 param->input_yuv_fmt = VENC_YUV_FORMAT_I420;
 382                 break;
 383         case V4L2_PIX_FMT_YVU420M:
 384                 param->input_yuv_fmt = VENC_YUV_FORMAT_YV12;
 385                 break;
 386         case V4L2_PIX_FMT_NV12M:
 387                 param->input_yuv_fmt = VENC_YUV_FORMAT_NV12;
 388                 break;
 389         case V4L2_PIX_FMT_NV21M:
 390                 param->input_yuv_fmt = VENC_YUV_FORMAT_NV21;
 391                 break;
 392         default:
 393                 mtk_v4l2_err("Unsupport fourcc =%d", q_data_src->fmt->fourcc);
 394                 break;
 395         }
 396         param->h264_profile = enc_params->h264_profile;
 397         param->h264_level = enc_params->h264_level;
 398
 399         /* Config visible resolution */
 400         param->width = q_data_src->visible_width;
 401         param->height = q_data_src->visible_height;
 402         /* Config coded resolution */
 403         param->buf_width = q_data_src->coded_width;
 404         param->buf_height = q_data_src->coded_height;
 405         param->frm_rate = enc_params->framerate_num /
 406                         enc_params->framerate_denom;
 407         param->intra_period = enc_params->intra_period;
 408         param->gop_size = enc_params->gop_size;
 409         param->bitrate = enc_params->bitrate;
 410
 411         mtk_v4l2_debug(0,
 412                 "fmt 0x%x, P/L %d/%d, w/h %d/%d, buf %d/%d, fps/bps %d/%d, gop %d, i_period %d",
 413                 param->input_yuv_fmt, param->h264_profile,
 414                 param->h264_level, param->width, param->height,
 415                 param->buf_width, param->buf_height,
 416                 param->frm_rate, param->bitrate,
 417                 param->gop_size, param->intra_period);
 418 }
 419
 420 static int vidioc_venc_s_fmt_cap(struct file *file, void *priv,
 421                              struct v4l2_format *f)
 422 {
 423         struct mtk_vcodec_ctx *ctx = fh_to_ctx(priv);
 424         struct vb2_queue *vq;
 425         struct mtk_q_data *q_data;
 426         int i, ret;
 427         struct mtk_video_fmt *fmt;
 428
 429         vq = v4l2_m2m_get_vq(ctx->m2m_ctx, f->type);
 430         if (!vq) {
 431                 mtk_v4l2_err("fail to get vq");
 432                 return -EINVAL;
 433         }
 434
 435         if (vb2_is_busy(vq)) {
 436                 mtk_v4l2_err("queue busy");
 437                 return -EBUSY;
 438         }
 439
 440         q_data = mtk_venc_get_q_data(ctx, f->type);
 441         if (!q_data) {
 442                 mtk_v4l2_err("fail to get q data");
 443                 return -EINVAL;
 444         }
 445
 446         fmt = mtk_venc_find_format(f);
 447         if (!fmt) {
 448                 f->fmt.pix.pixelformat = mtk_video_formats[CAP_FMT_IDX].fourcc;
 449                 fmt = mtk_venc_find_format(f);
 450         }
 451
 452         q_data->fmt = fmt;
 453         ret = vidioc_try_fmt(f, q_data->fmt);
 454         if (ret)
 455                 return ret;
 456
 457         q_data->coded_width = f->fmt.pix_mp.width;
 458         q_data->coded_height = f->fmt.pix_mp.height;
 459         q_data->field = f->fmt.pix_mp.field;
 460
 461         for (i = 0; i < f->fmt.pix_mp.num_planes; i++) {
 462                 struct v4l2_plane_pix_format    *plane_fmt;
 463
 464                 plane_fmt = &f->fmt.pix_mp.plane_fmt[i];
 465                 q_data->bytesperline[i] = plane_fmt->bytesperline;
 466                 q_data->sizeimage[i] = plane_fmt->sizeimage;
 467         }
 468
 469         if (ctx->state == MTK_STATE_FREE) {
 470                 ret = venc_if_init(ctx, q_data->fmt->fourcc);
 471                 if (ret) {
 472                         mtk_v4l2_err("venc_if_init failed=%d, codec type=%x",
 473                                         ret, q_data->fmt->fourcc);
 474                         return -EBUSY;
 475                 }
 476                 ctx->state = MTK_STATE_INIT;
 477         }
 478
 479         return 0;
 480 }
 481
 482 static int vidioc_venc_s_fmt_out(struct file *file, void *priv,
 483                              struct v4l2_format *f)
 484 {
 485         struct mtk_vcodec_ctx *ctx = fh_to_ctx(priv);
 486         struct vb2_queue *vq;
 487         struct mtk_q_data *q_data;
 488         int ret, i;
 489         struct mtk_video_fmt *fmt;
 490         unsigned int pitch_w_div16;
 491         struct v4l2_pix_format_mplane *pix_fmt_mp = &f->fmt.pix_mp;
 492
 493         vq = v4l2_m2m_get_vq(ctx->m2m_ctx, f->type);
 494         if (!vq) {
 495                 mtk_v4l2_err("fail to get vq");
 496                 return -EINVAL;
 497         }
 498
 499         if (vb2_is_busy(vq)) {
 500                 mtk_v4l2_err("queue busy");
 501                 return -EBUSY;
 502         }
 503
 504         q_data = mtk_venc_get_q_data(ctx, f->type);
 505         if (!q_data) {
 506                 mtk_v4l2_err("fail to get q data");
 507                 return -EINVAL;
 508         }
 509
 510         fmt = mtk_venc_find_format(f);
 511         if (!fmt) {
 512                 f->fmt.pix.pixelformat = mtk_video_formats[OUT_FMT_IDX].fourcc;
 513                 fmt = mtk_venc_find_format(f);
 514         }
 515
 516         pix_fmt_mp->height = clamp(pix_fmt_mp->height,
 517                                 MTK_VENC_MIN_H,
 518                                 MTK_VENC_MAX_H);
 519         pix_fmt_mp->width = clamp(pix_fmt_mp->width,
 520                                 MTK_VENC_MIN_W,
 521                                 MTK_VENC_MAX_W);
 522
 523         q_data->visible_width = f->fmt.pix_mp.width;
 524         q_data->visible_height = f->fmt.pix_mp.height;
 525         q_data->fmt = fmt;
 526         ret = vidioc_try_fmt(f, q_data->fmt);
 527         if (ret)
 528                 return ret;
 529
 530         q_data->coded_width = f->fmt.pix_mp.width;
 531         q_data->coded_height = f->fmt.pix_mp.height;
 532
 533         pitch_w_div16 = DIV_ROUND_UP(q_data->visible_width, 16);
 534         if (pitch_w_div16 % 8 != 0) {
 535                 /* Adjust returned width/height, so application could correctly
 536                  * allocate hw required memory
 537                  */
 538                 q_data->visible_height += 32;
 539                 vidioc_try_fmt(f, q_data->fmt);
 540         }
 541
 542         q_data->field = f->fmt.pix_mp.field;
 543         ctx->colorspace = f->fmt.pix_mp.colorspace;
 544         ctx->ycbcr_enc = f->fmt.pix_mp.ycbcr_enc;
 545         ctx->quantization = f->fmt.pix_mp.quantization;
 546         ctx->xfer_func = f->fmt.pix_mp.xfer_func;
 547
 548         for (i = 0; i < f->fmt.pix_mp.num_planes; i++) {
 549                 struct v4l2_plane_pix_format *plane_fmt;
 550
 551                 plane_fmt = &f->fmt.pix_mp.plane_fmt[i];
 552                 q_data->bytesperline[i] = plane_fmt->bytesperline;
 553                 q_data->sizeimage[i] = plane_fmt->sizeimage;
 554         }
 555
 556         return 0;
 557 }
 558
 559 static int vidioc_venc_g_fmt(struct file *file, void *priv,
 560                              struct v4l2_format *f)
 561 {
 562         struct v4l2_pix_format_mplane *pix = &f->fmt.pix_mp;
 563         struct mtk_vcodec_ctx *ctx = fh_to_ctx(priv);
 564         struct vb2_queue *vq;
 565         struct mtk_q_data *q_data;
 566         int i;
 567
 568         vq = v4l2_m2m_get_vq(ctx->m2m_ctx, f->type);
 569         if (!vq)
 570                 return -EINVAL;
 571
 572         q_data = mtk_venc_get_q_data(ctx, f->type);
 573
 574         pix->width = q_data->coded_width;
 575         pix->height = q_data->coded_height;
 576         pix->pixelformat = q_data->fmt->fourcc;
 577         pix->field = q_data->field;
 578         pix->num_planes = q_data->fmt->num_planes;
 579         for (i = 0; i < pix->num_planes; i++) {
 580                 pix->plane_fmt[i].bytesperline = q_data->bytesperline[i];
 581                 pix->plane_fmt[i].sizeimage = q_data->sizeimage[i];
 582                 memset(&(pix->plane_fmt[i].reserved[0]), 0x0,
 583                        sizeof(pix->plane_fmt[i].reserved));
 584         }
 585
 586         pix->flags = 0;
 587         pix->colorspace = ctx->colorspace;
 588         pix->ycbcr_enc = ctx->ycbcr_enc;
 589         pix->quantization = ctx->quantization;
 590         pix->xfer_func = ctx->xfer_func;
 591
 592         return 0;
 593 }
 594
 595 static int vidioc_try_fmt_vid_cap_mplane(struct file *file, void *priv,
 596                                          struct v4l2_format *f)
 597 {
 598         struct mtk_video_fmt *fmt;
 599         struct mtk_vcodec_ctx *ctx = fh_to_ctx(priv);
 600
 601         fmt = mtk_venc_find_format(f);
 602         if (!fmt) {
 603                 f->fmt.pix.pixelformat = mtk_video_formats[CAP_FMT_IDX].fourcc;
 604                 fmt = mtk_venc_find_format(f);
 605         }
 606         f->fmt.pix_mp.colorspace = ctx->colorspace;
 607         f->fmt.pix_mp.ycbcr_enc = ctx->ycbcr_enc;
 608         f->fmt.pix_mp.quantization = ctx->quantization;
 609         f->fmt.pix_mp.xfer_func = ctx->xfer_func;
 610
 611         return vidioc_try_fmt(f, fmt);
 612 }
 613
 614 static int vidioc_try_fmt_vid_out_mplane(struct file *file, void *priv,
 615                                          struct v4l2_format *f)
 616 {
 617         struct mtk_video_fmt *fmt;
 618
 619         fmt = mtk_venc_find_format(f);
 620         if (!fmt) {
 621                 f->fmt.pix.pixelformat = mtk_video_formats[OUT_FMT_IDX].fourcc;
 622                 fmt = mtk_venc_find_format(f);
 623         }
 624         if (!f->fmt.pix_mp.colorspace) {
 625                 f->fmt.pix_mp.colorspace = V4L2_COLORSPACE_REC709;
 626                 f->fmt.pix_mp.ycbcr_enc = V4L2_YCBCR_ENC_DEFAULT;
 627                 f->fmt.pix_mp.quantization = V4L2_QUANTIZATION_DEFAULT;
 628                 f->fmt.pix_mp.xfer_func = V4L2_XFER_FUNC_DEFAULT;
 629         }
 630
 631         return vidioc_try_fmt(f, fmt);
 632 }
 633
 634 static int vidioc_venc_qbuf(struct file *file, void *priv,
 635                             struct v4l2_buffer *buf)
 636 {
 637         struct mtk_vcodec_ctx *ctx = fh_to_ctx(priv);
 638
 639         if (ctx->state == MTK_STATE_ABORT) {
 640                 mtk_v4l2_err("[%d] Call on QBUF after unrecoverable error",
 641                                 ctx->id);
 642                 return -EIO;
 643         }
 644
 645         return v4l2_m2m_qbuf(file, ctx->m2m_ctx, buf);
 646 }
 647
 648 static int vidioc_venc_dqbuf(struct file *file, void *priv,
 649                              struct v4l2_buffer *buf)
 650 {
 651         struct mtk_vcodec_ctx *ctx = fh_to_ctx(priv);
 652
 653         if (ctx->state == MTK_STATE_ABORT) {
 654                 mtk_v4l2_err("[%d] Call on QBUF after unrecoverable error",
 655                                 ctx->id);
 656                 return -EIO;
 657         }
 658
 659         return v4l2_m2m_dqbuf(file, ctx->m2m_ctx, buf);
 660 }
 661
 662 const struct v4l2_ioctl_ops mtk_venc_ioctl_ops = {
 663         .vidioc_streamon                = v4l2_m2m_ioctl_streamon,
 664         .vidioc_streamoff               = v4l2_m2m_ioctl_streamoff,
 665
 666         .vidioc_reqbufs                 = v4l2_m2m_ioctl_reqbufs,
 667         .vidioc_querybuf                = v4l2_m2m_ioctl_querybuf,
 668         .vidioc_qbuf                    = vidioc_venc_qbuf,
 669         .vidioc_dqbuf                   = vidioc_venc_dqbuf,
 670
 671         .vidioc_querycap                = vidioc_venc_querycap,
 672         .vidioc_enum_fmt_vid_cap_mplane = vidioc_enum_fmt_vid_cap_mplane,
 673         .vidioc_enum_fmt_vid_out_mplane = vidioc_enum_fmt_vid_out_mplane,
 674         .vidioc_enum_framesizes         = vidioc_enum_framesizes,
 675
 676         .vidioc_try_fmt_vid_cap_mplane  = vidioc_try_fmt_vid_cap_mplane,
 677         .vidioc_try_fmt_vid_out_mplane  = vidioc_try_fmt_vid_out_mplane,
 678         .vidioc_expbuf                  = v4l2_m2m_ioctl_expbuf,
 679         .vidioc_subscribe_event         = v4l2_ctrl_subscribe_event,
 680         .vidioc_unsubscribe_event       = v4l2_event_unsubscribe,
 681
 682         .vidioc_s_parm                  = vidioc_venc_s_parm,
 683         .vidioc_g_parm                  = vidioc_venc_g_parm,
 684         .vidioc_s_fmt_vid_cap_mplane    = vidioc_venc_s_fmt_cap,
 685         .vidioc_s_fmt_vid_out_mplane    = vidioc_venc_s_fmt_out,
 686
 687         .vidioc_g_fmt_vid_cap_mplane    = vidioc_venc_g_fmt,
 688         .vidioc_g_fmt_vid_out_mplane    = vidioc_venc_g_fmt,
 689
 690         .vidioc_create_bufs             = v4l2_m2m_ioctl_create_bufs,
 691         .vidioc_prepare_buf             = v4l2_m2m_ioctl_prepare_buf,
 692 };
 693
 694 static int vb2ops_venc_queue_setup(struct vb2_queue *vq,
 695                                    unsigned int *nbuffers,
 696                                    unsigned int *nplanes,
 697                                    unsigned int sizes[],
 698                                    struct device *alloc_devs[])
 699 {
 700         struct mtk_vcodec_ctx *ctx = vb2_get_drv_priv(vq);
 701         struct mtk_q_data *q_data;
 702         unsigned int i;
 703
 704         q_data = mtk_venc_get_q_data(ctx, vq->type);
 705
 706         if (q_data == NULL)
 707                 return -EINVAL;
 708
 709         if (*nplanes) {
 710                 for (i = 0; i < *nplanes; i++)
 711                         if (sizes[i] < q_data->sizeimage[i])
 712                                 return -EINVAL;
 713         } else {
 714                 *nplanes = q_data->fmt->num_planes;
 715                 for (i = 0; i < *nplanes; i++)
 716                         sizes[i] = q_data->sizeimage[i];
 717         }
 718
 719         return 0;
 720 }
 721
 722 static int vb2ops_venc_buf_prepare(struct vb2_buffer *vb)
 723 {
 724         struct mtk_vcodec_ctx *ctx = vb2_get_drv_priv(vb->vb2_queue);
 725         struct mtk_q_data *q_data;
 726         int i;
 727
 728         q_data = mtk_venc_get_q_data(ctx, vb->vb2_queue->type);
 729
 730         for (i = 0; i < q_data->fmt->num_planes; i++) {
 731                 if (vb2_plane_size(vb, i) < q_data->sizeimage[i]) {
 732                         mtk_v4l2_err("data will not fit into plane %d (%lu < %d)",
 733                                 i, vb2_plane_size(vb, i),
 734                                 q_data->sizeimage[i]);
 735                         return -EINVAL;
 736                 }
 737         }
 738
 739         return 0;
 740 }
 741
 742 static void vb2ops_venc_buf_queue(struct vb2_buffer *vb)
 743 {
 744         struct mtk_vcodec_ctx *ctx = vb2_get_drv_priv(vb->vb2_queue);
 745         struct vb2_v4l2_buffer *vb2_v4l2 =
 746                         container_of(vb, struct vb2_v4l2_buffer, vb2_buf);
 747
 748         struct mtk_video_enc_buf *mtk_buf =
 749                         container_of(vb2_v4l2, struct mtk_video_enc_buf, vb);
 750
 751         if ((vb->vb2_queue->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) &&
 752             (ctx->param_change != MTK_ENCODE_PARAM_NONE)) {
 753                 mtk_v4l2_debug(1, "[%d] Before id=%d encode parameter change %x",
 754                                ctx->id,
 755                                mtk_buf->vb.vb2_buf.index,
 756                                ctx->param_change);
 757                 mtk_buf->param_change = ctx->param_change;
 758                 mtk_buf->enc_params = ctx->enc_params;
 759                 ctx->param_change = MTK_ENCODE_PARAM_NONE;
 760         }
 761
 762         v4l2_m2m_buf_queue(ctx->m2m_ctx, to_vb2_v4l2_buffer(vb));
 763 }
 764
 765 static int vb2ops_venc_start_streaming(struct vb2_queue *q, unsigned int count)
 766 {
 767         struct mtk_vcodec_ctx *ctx = vb2_get_drv_priv(q);
 768         struct venc_enc_param param;
 769         int ret;
 770         int i;
 771
 772         /* Once state turn into MTK_STATE_ABORT, we need stop_streaming
 773           * to clear it
 774           */
 775         if ((ctx->state == MTK_STATE_ABORT) || (ctx->state == MTK_STATE_FREE)) {
 776                 ret = -EIO;
 777                 goto err_set_param;
 778         }
 779
 780         /* Do the initialization when both start_streaming have been called */
 781         if (V4L2_TYPE_IS_OUTPUT(q->type)) {
 782                 if (!vb2_start_streaming_called(&ctx->m2m_ctx->cap_q_ctx.q))
 783                         return 0;
 784         } else {
 785                 if (!vb2_start_streaming_called(&ctx->m2m_ctx->out_q_ctx.q))
 786                         return 0;
 787         }
 788
 789         mtk_venc_set_param(ctx, &param);
 790         ret = venc_if_set_param(ctx, VENC_SET_PARAM_ENC, &param);
 791         if (ret) {
 792                 mtk_v4l2_err("venc_if_set_param failed=%d", ret);
 793                 ctx->state = MTK_STATE_ABORT;
 794                 goto err_set_param;
 795         }
 796         ctx->param_change = MTK_ENCODE_PARAM_NONE;
 797
 798         if ((ctx->q_data[MTK_Q_DATA_DST].fmt->fourcc == V4L2_PIX_FMT_H264) &&
 799             (ctx->enc_params.seq_hdr_mode !=
 800                                 V4L2_MPEG_VIDEO_HEADER_MODE_SEPARATE)) {
 801                 ret = venc_if_set_param(ctx,
 802                                         VENC_SET_PARAM_PREPEND_HEADER,
 803                                         NULL);
 804                 if (ret) {
 805                         mtk_v4l2_err("venc_if_set_param failed=%d", ret);
 806                         ctx->state = MTK_STATE_ABORT;
 807                         goto err_set_param;
 808                 }
 809                 ctx->state = MTK_STATE_HEADER;
 810         }
 811
 812         return 0;
 813
 814 err_set_param:
 815         for (i = 0; i < q->num_buffers; ++i) {
 816                 if (q->bufs[i]->state == VB2_BUF_STATE_ACTIVE) {
 817                         mtk_v4l2_debug(0, "[%d] id=%d, type=%d, %d -> VB2_BUF_STATE_QUEUED",
 818                                         ctx->id, i, q->type,
 819                                         (int)q->bufs[i]->state);
 820                         v4l2_m2m_buf_done(to_vb2_v4l2_buffer(q->bufs[i]),
 821                                         VB2_BUF_STATE_QUEUED);
 822                 }
 823         }
 824
 825         return ret;
 826 }
 827
 828 static void vb2ops_venc_stop_streaming(struct vb2_queue *q)
 829 {
 830         struct mtk_vcodec_ctx *ctx = vb2_get_drv_priv(q);
 831         struct vb2_buffer *src_buf, *dst_buf;
 832         int ret;
 833
 834         mtk_v4l2_debug(2, "[%d]-> type=%d", ctx->id, q->type);
 835
 836         if (q->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
 837                 while ((dst_buf = v4l2_m2m_dst_buf_remove(ctx->m2m_ctx))) {
 838                         dst_buf->planes[0].bytesused = 0;
 839                         v4l2_m2m_buf_done(to_vb2_v4l2_buffer(dst_buf),
 840                                         VB2_BUF_STATE_ERROR);
 841                 }
 842         } else {
 843                 while ((src_buf = v4l2_m2m_src_buf_remove(ctx->m2m_ctx)))
 844                         v4l2_m2m_buf_done(to_vb2_v4l2_buffer(src_buf),
 845                                         VB2_BUF_STATE_ERROR);
 846         }
 847
 848         if ((q->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE &&
 849              vb2_is_streaming(&ctx->m2m_ctx->out_q_ctx.q)) ||
 850             (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE &&
 851              vb2_is_streaming(&ctx->m2m_ctx->cap_q_ctx.q))) {
 852                 mtk_v4l2_debug(1, "[%d]-> q type %d out=%d cap=%d",
 853                                ctx->id, q->type,
 854                                vb2_is_streaming(&ctx->m2m_ctx->out_q_ctx.q),
 855                                vb2_is_streaming(&ctx->m2m_ctx->cap_q_ctx.q));
 856                 return;
 857         }
 858
 859         /* Release the encoder if both streams are stopped. */
 860         ret = venc_if_deinit(ctx);
 861         if (ret)
 862                 mtk_v4l2_err("venc_if_deinit failed=%d", ret);
 863
 864         ctx->state = MTK_STATE_FREE;
 865 }
 866
 867 static struct vb2_ops mtk_venc_vb2_ops = {
 868         .queue_setup            = vb2ops_venc_queue_setup,
 869         .buf_prepare            = vb2ops_venc_buf_prepare,
 870         .buf_queue              = vb2ops_venc_buf_queue,
 871         .wait_prepare           = vb2_ops_wait_prepare,
 872         .wait_finish            = vb2_ops_wait_finish,
 873         .start_streaming        = vb2ops_venc_start_streaming,
 874         .stop_streaming         = vb2ops_venc_stop_streaming,
 875 };
 876
 877 static int mtk_venc_encode_header(void *priv)
 878 {
 879         struct mtk_vcodec_ctx *ctx = priv;
 880         int ret;
 881         struct vb2_buffer *dst_buf;
 882         struct mtk_vcodec_mem bs_buf;
 883         struct venc_done_result enc_result;
 884
 885         dst_buf = v4l2_m2m_dst_buf_remove(ctx->m2m_ctx);
 886         if (!dst_buf) {
 887                 mtk_v4l2_debug(1, "No dst buffer");
 888                 return -EINVAL;
 889         }
 890
 891         bs_buf.va = vb2_plane_vaddr(dst_buf, 0);
 892         bs_buf.dma_addr = vb2_dma_contig_plane_dma_addr(dst_buf, 0);
 893         bs_buf.size = (size_t)dst_buf->planes[0].length;
 894
 895         mtk_v4l2_debug(1,
 896                         "[%d] buf id=%d va=0x%p dma_addr=0x%llx size=%zu",
 897                         ctx->id,
 898                         dst_buf->index, bs_buf.va,
 899                         (u64)bs_buf.dma_addr,
 900                         bs_buf.size);
 901
 902         ret = venc_if_encode(ctx,
 903                         VENC_START_OPT_ENCODE_SEQUENCE_HEADER,
 904                         NULL, &bs_buf, &enc_result);
 905
 906         if (ret) {
 907                 dst_buf->planes[0].bytesused = 0;
 908                 ctx->state = MTK_STATE_ABORT;
 909                 v4l2_m2m_buf_done(to_vb2_v4l2_buffer(dst_buf),
 910                                   VB2_BUF_STATE_ERROR);
 911                 mtk_v4l2_err("venc_if_encode failed=%d", ret);
 912                 return -EINVAL;
 913         }
 914
 915         ctx->state = MTK_STATE_HEADER;
 916         dst_buf->planes[0].bytesused = enc_result.bs_size;
 917         v4l2_m2m_buf_done(to_vb2_v4l2_buffer(dst_buf), VB2_BUF_STATE_DONE);
 918
 919         return 0;
 920 }
 921
 922 static int mtk_venc_param_change(struct mtk_vcodec_ctx *ctx)
 923 {
 924         struct venc_enc_param enc_prm;
 925         struct vb2_buffer *vb = v4l2_m2m_next_src_buf(ctx->m2m_ctx);
 926         struct vb2_v4l2_buffer *vb2_v4l2 =
 927                         container_of(vb, struct vb2_v4l2_buffer, vb2_buf);
 928         struct mtk_video_enc_buf *mtk_buf =
 929                         container_of(vb2_v4l2, struct mtk_video_enc_buf, vb);
 930
 931         int ret = 0;
 932
 933         memset(&enc_prm, 0, sizeof(enc_prm));
 934         if (mtk_buf->param_change == MTK_ENCODE_PARAM_NONE)
 935                 return 0;
 936
 937         if (mtk_buf->param_change & MTK_ENCODE_PARAM_BITRATE) {
 938                 enc_prm.bitrate = mtk_buf->enc_params.bitrate;
 939                 mtk_v4l2_debug(1, "[%d] id=%d, change param br=%d",
 940                                 ctx->id,
 941                                 mtk_buf->vb.vb2_buf.index,
 942                                 enc_prm.bitrate);
 943                 ret |= venc_if_set_param(ctx,
 944                                          VENC_SET_PARAM_ADJUST_BITRATE,
 945                                          &enc_prm);
 946         }
 947         if (!ret && mtk_buf->param_change & MTK_ENCODE_PARAM_FRAMERATE) {
 948                 enc_prm.frm_rate = mtk_buf->enc_params.framerate_num /
 949                                    mtk_buf->enc_params.framerate_denom;
 950                 mtk_v4l2_debug(1, "[%d] id=%d, change param fr=%d",
 951                                ctx->id,
 952                                mtk_buf->vb.vb2_buf.index,
 953                                enc_prm.frm_rate);
 954                 ret |= venc_if_set_param(ctx,
 955                                          VENC_SET_PARAM_ADJUST_FRAMERATE,
 956                                          &enc_prm);
 957         }
 958         if (!ret && mtk_buf->param_change & MTK_ENCODE_PARAM_GOP_SIZE) {
 959                 enc_prm.gop_size = mtk_buf->enc_params.gop_size;
 960                 mtk_v4l2_debug(1, "change param intra period=%d",
 961                                enc_prm.gop_size);
 962                 ret |= venc_if_set_param(ctx,
 963                                          VENC_SET_PARAM_GOP_SIZE,
 964                                          &enc_prm);
 965         }
 966         if (!ret && mtk_buf->param_change & MTK_ENCODE_PARAM_FORCE_INTRA) {
 967                 mtk_v4l2_debug(1, "[%d] id=%d, change param force I=%d",
 968                                 ctx->id,
 969                                 mtk_buf->vb.vb2_buf.index,
 970                                 mtk_buf->enc_params.force_intra);
 971                 if (mtk_buf->enc_params.force_intra)
 972                         ret |= venc_if_set_param(ctx,
 973                                                  VENC_SET_PARAM_FORCE_INTRA,
 974                                                  NULL);
 975         }
 976
 977         mtk_buf->param_change = MTK_ENCODE_PARAM_NONE;
 978
 979         if (ret) {
 980                 ctx->state = MTK_STATE_ABORT;
 981                 mtk_v4l2_err("venc_if_set_param %d failed=%d",
 982                                 mtk_buf->param_change, ret);
 983                 return -1;
 984         }
 985
 986         return 0;
 987 }
 988
 989 /*
 990  * v4l2_m2m_streamoff() holds dev_mutex and waits mtk_venc_worker()
 991  * to call v4l2_m2m_job_finish().
 992  * If mtk_venc_worker() tries to acquire dev_mutex, it will deadlock.
 993  * So this function must not try to acquire dev->dev_mutex.
 994  * This means v4l2 ioctls and mtk_venc_worker() can run at the same time.
 995  * mtk_venc_worker() should be carefully implemented to avoid bugs.
 996  */
 997 static void mtk_venc_worker(struct work_struct *work)
 998 {
 999         struct mtk_vcodec_ctx *ctx = container_of(work, struct mtk_vcodec_ctx,
1000                                     encode_work);
1001         struct vb2_buffer *src_buf, *dst_buf;
1002         struct venc_frm_buf frm_buf;
1003         struct mtk_vcodec_mem bs_buf;
1004         struct venc_done_result enc_result;
1005         int ret, i;
1006         struct vb2_v4l2_buffer *vb2_v4l2;
1007
1008         /* check dst_buf, dst_buf may be removed in device_run
1009          * to stored encdoe header so we need check dst_buf and
1010          * call job_finish here to prevent recursion
1011          */
1012         dst_buf = v4l2_m2m_dst_buf_remove(ctx->m2m_ctx);
1013         if (!dst_buf) {
1014                 v4l2_m2m_job_finish(ctx->dev->m2m_dev_enc, ctx->m2m_ctx);
1015                 return;
1016         }
1017
1018         src_buf = v4l2_m2m_src_buf_remove(ctx->m2m_ctx);
1019         memset(&frm_buf, 0, sizeof(frm_buf));
1020         for (i = 0; i < src_buf->num_planes ; i++) {
1021                 frm_buf.fb_addr[i].va = vb2_plane_vaddr(src_buf, i);
1022                 frm_buf.fb_addr[i].dma_addr =
1023                                 vb2_dma_contig_plane_dma_addr(src_buf, i);
1024                 frm_buf.fb_addr[i].size =
1025                                 (size_t)src_buf->planes[i].length;
1026         }
1027         bs_buf.va = vb2_plane_vaddr(dst_buf, 0);
1028         bs_buf.dma_addr = vb2_dma_contig_plane_dma_addr(dst_buf, 0);
1029         bs_buf.size = (size_t)dst_buf->planes[0].length;
1030
1031         mtk_v4l2_debug(2,
1032                         "Framebuf VA=%p PA=%llx Size=0x%zx;VA=%p PA=0x%llx Size=0x%zx;VA=%p PA=0x%llx Size=%zu",
1033                         frm_buf.fb_addr[0].va,
1034                         (u64)frm_buf.fb_addr[0].dma_addr,
1035                         frm_buf.fb_addr[0].size,
1036                         frm_buf.fb_addr[1].va,
1037                         (u64)frm_buf.fb_addr[1].dma_addr,
1038                         frm_buf.fb_addr[1].size,
1039                         frm_buf.fb_addr[2].va,
1040                         (u64)frm_buf.fb_addr[2].dma_addr,
1041                         frm_buf.fb_addr[2].size);
1042
1043         ret = venc_if_encode(ctx, VENC_START_OPT_ENCODE_FRAME,
1044                              &frm_buf, &bs_buf, &enc_result);
1045
1046         vb2_v4l2 = container_of(dst_buf, struct vb2_v4l2_buffer, vb2_buf);
1047         if (enc_result.is_key_frm)
1048                 vb2_v4l2->flags |= V4L2_BUF_FLAG_KEYFRAME;
1049
1050         if (ret) {
1051                 v4l2_m2m_buf_done(to_vb2_v4l2_buffer(src_buf),
1052                                   VB2_BUF_STATE_ERROR);
1053                 dst_buf->planes[0].bytesused = 0;
1054                 v4l2_m2m_buf_done(to_vb2_v4l2_buffer(dst_buf),
1055                                   VB2_BUF_STATE_ERROR);
1056                 mtk_v4l2_err("venc_if_encode failed=%d", ret);
1057         } else {
1058                 v4l2_m2m_buf_done(to_vb2_v4l2_buffer(src_buf),
1059                                   VB2_BUF_STATE_DONE);
1060                 dst_buf->planes[0].bytesused = enc_result.bs_size;
1061                 v4l2_m2m_buf_done(to_vb2_v4l2_buffer(dst_buf),
1062                                   VB2_BUF_STATE_DONE);
1063                 mtk_v4l2_debug(2, "venc_if_encode bs size=%d",
1064                                  enc_result.bs_size);
1065         }
1066
1067         v4l2_m2m_job_finish(ctx->dev->m2m_dev_enc, ctx->m2m_ctx);
1068
1069         mtk_v4l2_debug(1, "<=== src_buf[%d] dst_buf[%d] venc_if_encode ret=%d Size=%u===>",
1070                         src_buf->index, dst_buf->index, ret,
1071                         enc_result.bs_size);
1072 }
1073
1074 static void m2mops_venc_device_run(void *priv)
1075 {
1076         struct mtk_vcodec_ctx *ctx = priv;
1077
1078         if ((ctx->q_data[MTK_Q_DATA_DST].fmt->fourcc == V4L2_PIX_FMT_H264) &&
1079             (ctx->state != MTK_STATE_HEADER)) {
1080                 /* encode h264 sps/pps header */
1081                 mtk_venc_encode_header(ctx);
1082                 queue_work(ctx->dev->encode_workqueue, &ctx->encode_work);
1083                 return;
1084         }
1085
1086         mtk_venc_param_change(ctx);
1087         queue_work(ctx->dev->encode_workqueue, &ctx->encode_work);
1088 }
1089
1090 static int m2mops_venc_job_ready(void *m2m_priv)
1091 {
1092         struct mtk_vcodec_ctx *ctx = m2m_priv;
1093
1094         if (ctx->state == MTK_STATE_ABORT || ctx->state == MTK_STATE_FREE) {
1095                 mtk_v4l2_debug(3, "[%d]Not ready: state=0x%x.",
1096                                ctx->id, ctx->state);
1097                 return 0;
1098         }
1099
1100         return 1;
1101 }
1102
1103 static void m2mops_venc_job_abort(void *priv)
1104 {
1105         struct mtk_vcodec_ctx *ctx = priv;
1106
1107         ctx->state = MTK_STATE_ABORT;
1108 }
1109
1110 static void m2mops_venc_lock(void *m2m_priv)
1111 {
1112         struct mtk_vcodec_ctx *ctx = m2m_priv;
1113
1114         mutex_lock(&ctx->dev->dev_mutex);
1115 }
1116
1117 static void m2mops_venc_unlock(void *m2m_priv)
1118 {
1119         struct mtk_vcodec_ctx *ctx = m2m_priv;
1120
1121         mutex_unlock(&ctx->dev->dev_mutex);
1122 }
1123
1124 const struct v4l2_m2m_ops mtk_venc_m2m_ops = {
1125         .device_run     = m2mops_venc_device_run,
1126         .job_ready      = m2mops_venc_job_ready,
1127         .job_abort      = m2mops_venc_job_abort,
1128         .lock           = m2mops_venc_lock,
1129         .unlock         = m2mops_venc_unlock,
1130 };
1131
1132 void mtk_vcodec_enc_set_default_params(struct mtk_vcodec_ctx *ctx)
1133 {
1134         struct mtk_q_data *q_data;
1135
1136         ctx->m2m_ctx->q_lock = &ctx->dev->dev_mutex;
1137         ctx->fh.m2m_ctx = ctx->m2m_ctx;
1138         ctx->fh.ctrl_handler = &ctx->ctrl_hdl;
1139         INIT_WORK(&ctx->encode_work, mtk_venc_worker);
1140
1141         ctx->colorspace = V4L2_COLORSPACE_REC709;
1142         ctx->ycbcr_enc = V4L2_YCBCR_ENC_DEFAULT;
1143         ctx->quantization = V4L2_QUANTIZATION_DEFAULT;
1144         ctx->xfer_func = V4L2_XFER_FUNC_DEFAULT;
1145
1146         q_data = &ctx->q_data[MTK_Q_DATA_SRC];
1147         memset(q_data, 0, sizeof(struct mtk_q_data));
1148         q_data->visible_width = DFT_CFG_WIDTH;
1149         q_data->visible_height = DFT_CFG_HEIGHT;
1150         q_data->coded_width = DFT_CFG_WIDTH;
1151         q_data->coded_height = DFT_CFG_HEIGHT;
1152         q_data->field = V4L2_FIELD_NONE;
1153
1154         q_data->fmt = &mtk_video_formats[OUT_FMT_IDX];
1155
1156         v4l_bound_align_image(&q_data->coded_width,
1157                                 MTK_VENC_MIN_W,
1158                                 MTK_VENC_MAX_W, 4,
1159                                 &q_data->coded_height,
1160                                 MTK_VENC_MIN_H,
1161                                 MTK_VENC_MAX_H, 5, 6);
1162
1163         if (q_data->coded_width < DFT_CFG_WIDTH &&
1164                 (q_data->coded_width + 16) <= MTK_VENC_MAX_W)
1165                 q_data->coded_width += 16;
1166         if (q_data->coded_height < DFT_CFG_HEIGHT &&
1167                 (q_data->coded_height + 32) <= MTK_VENC_MAX_H)
1168                 q_data->coded_height += 32;
1169
1170         q_data->sizeimage[0] =
1171                 q_data->coded_width * q_data->coded_height+
1172                 ((ALIGN(q_data->coded_width, 16) * 2) * 16);
1173         q_data->bytesperline[0] = q_data->coded_width;
1174         q_data->sizeimage[1] =
1175                 (q_data->coded_width * q_data->coded_height) / 2 +
1176                 (ALIGN(q_data->coded_width, 16) * 16);
1177         q_data->bytesperline[1] = q_data->coded_width;
1178
1179         q_data = &ctx->q_data[MTK_Q_DATA_DST];
1180         memset(q_data, 0, sizeof(struct mtk_q_data));
1181         q_data->coded_width = DFT_CFG_WIDTH;
1182         q_data->coded_height = DFT_CFG_HEIGHT;
1183         q_data->fmt = &mtk_video_formats[CAP_FMT_IDX];
1184         q_data->field = V4L2_FIELD_NONE;
1185         ctx->q_data[MTK_Q_DATA_DST].sizeimage[0] =
1186                 DFT_CFG_WIDTH * DFT_CFG_HEIGHT;
1187         ctx->q_data[MTK_Q_DATA_DST].bytesperline[0] = 0;
1188
1189 }
1190
1191 int mtk_vcodec_enc_ctrls_setup(struct mtk_vcodec_ctx *ctx)
1192 {
1193         const struct v4l2_ctrl_ops *ops = &mtk_vcodec_enc_ctrl_ops;
1194         struct v4l2_ctrl_handler *handler = &ctx->ctrl_hdl;
1195
1196         v4l2_ctrl_handler_init(handler, MTK_MAX_CTRLS_HINT);
1197
1198         v4l2_ctrl_new_std(handler, ops, V4L2_CID_MPEG_VIDEO_BITRATE,
1199                         1, 4000000, 1, 4000000);
1200         v4l2_ctrl_new_std(handler, ops, V4L2_CID_MPEG_VIDEO_B_FRAMES,
1201                         0, 2, 1, 0);
1202         v4l2_ctrl_new_std(handler, ops, V4L2_CID_MPEG_VIDEO_FRAME_RC_ENABLE,
1203                         0, 1, 1, 1);
1204         v4l2_ctrl_new_std(handler, ops, V4L2_CID_MPEG_VIDEO_H264_MAX_QP,
1205                         0, 51, 1, 51);
1206         v4l2_ctrl_new_std(handler, ops, V4L2_CID_MPEG_VIDEO_H264_I_PERIOD,
1207                         0, 65535, 1, 0);
1208         v4l2_ctrl_new_std(handler, ops, V4L2_CID_MPEG_VIDEO_GOP_SIZE,
1209                         0, 65535, 1, 0);
1210         v4l2_ctrl_new_std(handler, ops, V4L2_CID_MPEG_VIDEO_MB_RC_ENABLE,
1211                         0, 1, 1, 0);
1212         v4l2_ctrl_new_std(handler, ops, V4L2_CID_MPEG_VIDEO_FORCE_KEY_FRAME,
1213                         0, 0, 0, 0);
1214         v4l2_ctrl_new_std_menu(handler, ops,
1215                         V4L2_CID_MPEG_VIDEO_HEADER_MODE,
1216                         V4L2_MPEG_VIDEO_HEADER_MODE_JOINED_WITH_1ST_FRAME,
1217                         0, V4L2_MPEG_VIDEO_HEADER_MODE_SEPARATE);
1218         v4l2_ctrl_new_std_menu(handler, ops, V4L2_CID_MPEG_VIDEO_H264_PROFILE,
1219                         V4L2_MPEG_VIDEO_H264_PROFILE_HIGH,
1220                         0, V4L2_MPEG_VIDEO_H264_PROFILE_MAIN);
1221         v4l2_ctrl_new_std_menu(handler, ops, V4L2_CID_MPEG_VIDEO_H264_LEVEL,
1222                         V4L2_MPEG_VIDEO_H264_LEVEL_4_2,
1223                         0, V4L2_MPEG_VIDEO_H264_LEVEL_4_0);
1224         if (handler->error) {
1225                 mtk_v4l2_err("Init control handler fail %d",
1226                                 handler->error);
1227                 return handler->error;
1228         }
1229
1230         v4l2_ctrl_handler_setup(&ctx->ctrl_hdl);
1231
1232         return 0;
1233 }
1234
1235 int mtk_vcodec_enc_queue_init(void *priv, struct vb2_queue *src_vq,
1236                               struct vb2_queue *dst_vq)
1237 {
1238         struct mtk_vcodec_ctx *ctx = priv;
1239         int ret;
1240
1241         /* Note: VB2_USERPTR works with dma-contig because mt8173
1242          * support iommu
1243          * https://patchwork.kernel.org/patch/8335461/
1244          * https://patchwork.kernel.org/patch/7596181/
1245          */
1246         src_vq->type            = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE;
1247         src_vq->io_modes        = VB2_DMABUF | VB2_MMAP | VB2_USERPTR;
1248         src_vq->drv_priv        = ctx;
1249         src_vq->buf_struct_size = sizeof(struct mtk_video_enc_buf);
1250         src_vq->ops             = &mtk_venc_vb2_ops;
1251         src_vq->mem_ops         = &vb2_dma_contig_memops;
1252         src_vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY;
1253         src_vq->lock            = &ctx->dev->dev_mutex;
1254         src_vq->dev             = &ctx->dev->plat_dev->dev;
1255
1256         ret = vb2_queue_init(src_vq);
1257         if (ret)
1258                 return ret;
1259
1260         dst_vq->type            = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE;
1261         dst_vq->io_modes        = VB2_DMABUF | VB2_MMAP | VB2_USERPTR;
1262         dst_vq->drv_priv        = ctx;
1263         dst_vq->buf_struct_size = sizeof(struct v4l2_m2m_buffer);
1264         dst_vq->ops             = &mtk_venc_vb2_ops;
1265         dst_vq->mem_ops         = &vb2_dma_contig_memops;
1266         dst_vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY;
1267         dst_vq->lock            = &ctx->dev->dev_mutex;
1268         dst_vq->dev             = &ctx->dev->plat_dev->dev;
1269
1270         return vb2_queue_init(dst_vq);
1271 }
1272
1273 int mtk_venc_unlock(struct mtk_vcodec_ctx *ctx)
1274 {
1275         struct mtk_vcodec_dev *dev = ctx->dev;
1276
1277         mutex_unlock(&dev->enc_mutex);
1278         return 0;
1279 }
1280
1281 int mtk_venc_lock(struct mtk_vcodec_ctx *ctx)
1282 {
1283         struct mtk_vcodec_dev *dev = ctx->dev;
1284
1285         mutex_lock(&dev->enc_mutex);
1286         return 0;
1287 }
1288
1289 void mtk_vcodec_enc_release(struct mtk_vcodec_ctx *ctx)
1290 {
1291         venc_if_deinit(ctx);
1292 }