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         struct v4l2_pix_format_mplane *pix_fmt_mp = &f->fmt.pix_mp;
 491
 492         vq = v4l2_m2m_get_vq(ctx->m2m_ctx, f->type);
 493         if (!vq) {
 494                 mtk_v4l2_err("fail to get vq");
 495                 return -EINVAL;
 496         }
 497
 498         if (vb2_is_busy(vq)) {
 499                 mtk_v4l2_err("queue busy");
 500                 return -EBUSY;
 501         }
 502
 503         q_data = mtk_venc_get_q_data(ctx, f->type);
 504         if (!q_data) {
 505                 mtk_v4l2_err("fail to get q data");
 506                 return -EINVAL;
 507         }
 508
 509         fmt = mtk_venc_find_format(f);
 510         if (!fmt) {
 511                 f->fmt.pix.pixelformat = mtk_video_formats[OUT_FMT_IDX].fourcc;
 512                 fmt = mtk_venc_find_format(f);
 513         }
 514
 515         pix_fmt_mp->height = clamp(pix_fmt_mp->height,
 516                                 MTK_VENC_MIN_H,
 517                                 MTK_VENC_MAX_H);
 518         pix_fmt_mp->width = clamp(pix_fmt_mp->width,
 519                                 MTK_VENC_MIN_W,
 520                                 MTK_VENC_MAX_W);
 521
 522         q_data->visible_width = f->fmt.pix_mp.width;
 523         q_data->visible_height = f->fmt.pix_mp.height;
 524         q_data->fmt = fmt;
 525         ret = vidioc_try_fmt(f, q_data->fmt);
 526         if (ret)
 527                 return ret;
 528
 529         q_data->coded_width = f->fmt.pix_mp.width;
 530         q_data->coded_height = f->fmt.pix_mp.height;
 531
 532         q_data->field = f->fmt.pix_mp.field;
 533         ctx->colorspace = f->fmt.pix_mp.colorspace;
 534         ctx->ycbcr_enc = f->fmt.pix_mp.ycbcr_enc;
 535         ctx->quantization = f->fmt.pix_mp.quantization;
 536         ctx->xfer_func = f->fmt.pix_mp.xfer_func;
 537
 538         for (i = 0; i < f->fmt.pix_mp.num_planes; i++) {
 539                 struct v4l2_plane_pix_format *plane_fmt;
 540
 541                 plane_fmt = &f->fmt.pix_mp.plane_fmt[i];
 542                 q_data->bytesperline[i] = plane_fmt->bytesperline;
 543                 q_data->sizeimage[i] = plane_fmt->sizeimage;
 544         }
 545
 546         return 0;
 547 }
 548
 549 static int vidioc_venc_g_fmt(struct file *file, void *priv,
 550                              struct v4l2_format *f)
 551 {
 552         struct v4l2_pix_format_mplane *pix = &f->fmt.pix_mp;
 553         struct mtk_vcodec_ctx *ctx = fh_to_ctx(priv);
 554         struct vb2_queue *vq;
 555         struct mtk_q_data *q_data;
 556         int i;
 557
 558         vq = v4l2_m2m_get_vq(ctx->m2m_ctx, f->type);
 559         if (!vq)
 560                 return -EINVAL;
 561
 562         q_data = mtk_venc_get_q_data(ctx, f->type);
 563
 564         pix->width = q_data->coded_width;
 565         pix->height = q_data->coded_height;
 566         pix->pixelformat = q_data->fmt->fourcc;
 567         pix->field = q_data->field;
 568         pix->num_planes = q_data->fmt->num_planes;
 569         for (i = 0; i < pix->num_planes; i++) {
 570                 pix->plane_fmt[i].bytesperline = q_data->bytesperline[i];
 571                 pix->plane_fmt[i].sizeimage = q_data->sizeimage[i];
 572                 memset(&(pix->plane_fmt[i].reserved[0]), 0x0,
 573                        sizeof(pix->plane_fmt[i].reserved));
 574         }
 575
 576         pix->flags = 0;
 577         pix->colorspace = ctx->colorspace;
 578         pix->ycbcr_enc = ctx->ycbcr_enc;
 579         pix->quantization = ctx->quantization;
 580         pix->xfer_func = ctx->xfer_func;
 581
 582         return 0;
 583 }
 584
 585 static int vidioc_try_fmt_vid_cap_mplane(struct file *file, void *priv,
 586                                          struct v4l2_format *f)
 587 {
 588         struct mtk_video_fmt *fmt;
 589         struct mtk_vcodec_ctx *ctx = fh_to_ctx(priv);
 590
 591         fmt = mtk_venc_find_format(f);
 592         if (!fmt) {
 593                 f->fmt.pix.pixelformat = mtk_video_formats[CAP_FMT_IDX].fourcc;
 594                 fmt = mtk_venc_find_format(f);
 595         }
 596         f->fmt.pix_mp.colorspace = ctx->colorspace;
 597         f->fmt.pix_mp.ycbcr_enc = ctx->ycbcr_enc;
 598         f->fmt.pix_mp.quantization = ctx->quantization;
 599         f->fmt.pix_mp.xfer_func = ctx->xfer_func;
 600
 601         return vidioc_try_fmt(f, fmt);
 602 }
 603
 604 static int vidioc_try_fmt_vid_out_mplane(struct file *file, void *priv,
 605                                          struct v4l2_format *f)
 606 {
 607         struct mtk_video_fmt *fmt;
 608
 609         fmt = mtk_venc_find_format(f);
 610         if (!fmt) {
 611                 f->fmt.pix.pixelformat = mtk_video_formats[OUT_FMT_IDX].fourcc;
 612                 fmt = mtk_venc_find_format(f);
 613         }
 614         if (!f->fmt.pix_mp.colorspace) {
 615                 f->fmt.pix_mp.colorspace = V4L2_COLORSPACE_REC709;
 616                 f->fmt.pix_mp.ycbcr_enc = V4L2_YCBCR_ENC_DEFAULT;
 617                 f->fmt.pix_mp.quantization = V4L2_QUANTIZATION_DEFAULT;
 618                 f->fmt.pix_mp.xfer_func = V4L2_XFER_FUNC_DEFAULT;
 619         }
 620
 621         return vidioc_try_fmt(f, fmt);
 622 }
 623
 624 static int vidioc_venc_qbuf(struct file *file, void *priv,
 625                             struct v4l2_buffer *buf)
 626 {
 627         struct mtk_vcodec_ctx *ctx = fh_to_ctx(priv);
 628
 629         if (ctx->state == MTK_STATE_ABORT) {
 630                 mtk_v4l2_err("[%d] Call on QBUF after unrecoverable error",
 631                                 ctx->id);
 632                 return -EIO;
 633         }
 634
 635         return v4l2_m2m_qbuf(file, ctx->m2m_ctx, buf);
 636 }
 637
 638 static int vidioc_venc_dqbuf(struct file *file, void *priv,
 639                              struct v4l2_buffer *buf)
 640 {
 641         struct mtk_vcodec_ctx *ctx = fh_to_ctx(priv);
 642
 643         if (ctx->state == MTK_STATE_ABORT) {
 644                 mtk_v4l2_err("[%d] Call on QBUF after unrecoverable error",
 645                                 ctx->id);
 646                 return -EIO;
 647         }
 648
 649         return v4l2_m2m_dqbuf(file, ctx->m2m_ctx, buf);
 650 }
 651
 652 const struct v4l2_ioctl_ops mtk_venc_ioctl_ops = {
 653         .vidioc_streamon                = v4l2_m2m_ioctl_streamon,
 654         .vidioc_streamoff               = v4l2_m2m_ioctl_streamoff,
 655
 656         .vidioc_reqbufs                 = v4l2_m2m_ioctl_reqbufs,
 657         .vidioc_querybuf                = v4l2_m2m_ioctl_querybuf,
 658         .vidioc_qbuf                    = vidioc_venc_qbuf,
 659         .vidioc_dqbuf                   = vidioc_venc_dqbuf,
 660
 661         .vidioc_querycap                = vidioc_venc_querycap,
 662         .vidioc_enum_fmt_vid_cap_mplane = vidioc_enum_fmt_vid_cap_mplane,
 663         .vidioc_enum_fmt_vid_out_mplane = vidioc_enum_fmt_vid_out_mplane,
 664         .vidioc_enum_framesizes         = vidioc_enum_framesizes,
 665
 666         .vidioc_try_fmt_vid_cap_mplane  = vidioc_try_fmt_vid_cap_mplane,
 667         .vidioc_try_fmt_vid_out_mplane  = vidioc_try_fmt_vid_out_mplane,
 668         .vidioc_expbuf                  = v4l2_m2m_ioctl_expbuf,
 669         .vidioc_subscribe_event         = v4l2_ctrl_subscribe_event,
 670         .vidioc_unsubscribe_event       = v4l2_event_unsubscribe,
 671
 672         .vidioc_s_parm                  = vidioc_venc_s_parm,
 673         .vidioc_g_parm                  = vidioc_venc_g_parm,
 674         .vidioc_s_fmt_vid_cap_mplane    = vidioc_venc_s_fmt_cap,
 675         .vidioc_s_fmt_vid_out_mplane    = vidioc_venc_s_fmt_out,
 676
 677         .vidioc_g_fmt_vid_cap_mplane    = vidioc_venc_g_fmt,
 678         .vidioc_g_fmt_vid_out_mplane    = vidioc_venc_g_fmt,
 679
 680         .vidioc_create_bufs             = v4l2_m2m_ioctl_create_bufs,
 681         .vidioc_prepare_buf             = v4l2_m2m_ioctl_prepare_buf,
 682 };
 683
 684 static int vb2ops_venc_queue_setup(struct vb2_queue *vq,
 685                                    unsigned int *nbuffers,
 686                                    unsigned int *nplanes,
 687                                    unsigned int sizes[],
 688                                    struct device *alloc_devs[])
 689 {
 690         struct mtk_vcodec_ctx *ctx = vb2_get_drv_priv(vq);
 691         struct mtk_q_data *q_data;
 692         unsigned int i;
 693
 694         q_data = mtk_venc_get_q_data(ctx, vq->type);
 695
 696         if (q_data == NULL)
 697                 return -EINVAL;
 698
 699         if (*nplanes) {
 700                 for (i = 0; i < *nplanes; i++)
 701                         if (sizes[i] < q_data->sizeimage[i])
 702                                 return -EINVAL;
 703         } else {
 704                 *nplanes = q_data->fmt->num_planes;
 705                 for (i = 0; i < *nplanes; i++)
 706                         sizes[i] = q_data->sizeimage[i];
 707         }
 708
 709         return 0;
 710 }
 711
 712 static int vb2ops_venc_buf_prepare(struct vb2_buffer *vb)
 713 {
 714         struct mtk_vcodec_ctx *ctx = vb2_get_drv_priv(vb->vb2_queue);
 715         struct mtk_q_data *q_data;
 716         int i;
 717
 718         q_data = mtk_venc_get_q_data(ctx, vb->vb2_queue->type);
 719
 720         for (i = 0; i < q_data->fmt->num_planes; i++) {
 721                 if (vb2_plane_size(vb, i) < q_data->sizeimage[i]) {
 722                         mtk_v4l2_err("data will not fit into plane %d (%lu < %d)",
 723                                 i, vb2_plane_size(vb, i),
 724                                 q_data->sizeimage[i]);
 725                         return -EINVAL;
 726                 }
 727         }
 728
 729         return 0;
 730 }
 731
 732 static void vb2ops_venc_buf_queue(struct vb2_buffer *vb)
 733 {
 734         struct mtk_vcodec_ctx *ctx = vb2_get_drv_priv(vb->vb2_queue);
 735         struct vb2_v4l2_buffer *vb2_v4l2 =
 736                         container_of(vb, struct vb2_v4l2_buffer, vb2_buf);
 737
 738         struct mtk_video_enc_buf *mtk_buf =
 739                         container_of(vb2_v4l2, struct mtk_video_enc_buf, vb);
 740
 741         if ((vb->vb2_queue->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) &&
 742             (ctx->param_change != MTK_ENCODE_PARAM_NONE)) {
 743                 mtk_v4l2_debug(1, "[%d] Before id=%d encode parameter change %x",
 744                                ctx->id,
 745                                mtk_buf->vb.vb2_buf.index,
 746                                ctx->param_change);
 747                 mtk_buf->param_change = ctx->param_change;
 748                 mtk_buf->enc_params = ctx->enc_params;
 749                 ctx->param_change = MTK_ENCODE_PARAM_NONE;
 750         }
 751
 752         v4l2_m2m_buf_queue(ctx->m2m_ctx, to_vb2_v4l2_buffer(vb));
 753 }
 754
 755 static int vb2ops_venc_start_streaming(struct vb2_queue *q, unsigned int count)
 756 {
 757         struct mtk_vcodec_ctx *ctx = vb2_get_drv_priv(q);
 758         struct venc_enc_param param;
 759         int ret;
 760         int i;
 761
 762         /* Once state turn into MTK_STATE_ABORT, we need stop_streaming
 763           * to clear it
 764           */
 765         if ((ctx->state == MTK_STATE_ABORT) || (ctx->state == MTK_STATE_FREE)) {
 766                 ret = -EIO;
 767                 goto err_set_param;
 768         }
 769
 770         /* Do the initialization when both start_streaming have been called */
 771         if (V4L2_TYPE_IS_OUTPUT(q->type)) {
 772                 if (!vb2_start_streaming_called(&ctx->m2m_ctx->cap_q_ctx.q))
 773                         return 0;
 774         } else {
 775                 if (!vb2_start_streaming_called(&ctx->m2m_ctx->out_q_ctx.q))
 776                         return 0;
 777         }
 778
 779         mtk_venc_set_param(ctx, &param);
 780         ret = venc_if_set_param(ctx, VENC_SET_PARAM_ENC, &param);
 781         if (ret) {
 782                 mtk_v4l2_err("venc_if_set_param failed=%d", ret);
 783                 ctx->state = MTK_STATE_ABORT;
 784                 goto err_set_param;
 785         }
 786         ctx->param_change = MTK_ENCODE_PARAM_NONE;
 787
 788         if ((ctx->q_data[MTK_Q_DATA_DST].fmt->fourcc == V4L2_PIX_FMT_H264) &&
 789             (ctx->enc_params.seq_hdr_mode !=
 790                                 V4L2_MPEG_VIDEO_HEADER_MODE_SEPARATE)) {
 791                 ret = venc_if_set_param(ctx,
 792                                         VENC_SET_PARAM_PREPEND_HEADER,
 793                                         NULL);
 794                 if (ret) {
 795                         mtk_v4l2_err("venc_if_set_param failed=%d", ret);
 796                         ctx->state = MTK_STATE_ABORT;
 797                         goto err_set_param;
 798                 }
 799                 ctx->state = MTK_STATE_HEADER;
 800         }
 801
 802         return 0;
 803
 804 err_set_param:
 805         for (i = 0; i < q->num_buffers; ++i) {
 806                 if (q->bufs[i]->state == VB2_BUF_STATE_ACTIVE) {
 807                         mtk_v4l2_debug(0, "[%d] id=%d, type=%d, %d -> VB2_BUF_STATE_QUEUED",
 808                                         ctx->id, i, q->type,
 809                                         (int)q->bufs[i]->state);
 810                         v4l2_m2m_buf_done(to_vb2_v4l2_buffer(q->bufs[i]),
 811                                         VB2_BUF_STATE_QUEUED);
 812                 }
 813         }
 814
 815         return ret;
 816 }
 817
 818 static void vb2ops_venc_stop_streaming(struct vb2_queue *q)
 819 {
 820         struct mtk_vcodec_ctx *ctx = vb2_get_drv_priv(q);
 821         struct vb2_buffer *src_buf, *dst_buf;
 822         int ret;
 823
 824         mtk_v4l2_debug(2, "[%d]-> type=%d", ctx->id, q->type);
 825
 826         if (q->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
 827                 while ((dst_buf = v4l2_m2m_dst_buf_remove(ctx->m2m_ctx))) {
 828                         dst_buf->planes[0].bytesused = 0;
 829                         v4l2_m2m_buf_done(to_vb2_v4l2_buffer(dst_buf),
 830                                         VB2_BUF_STATE_ERROR);
 831                 }
 832         } else {
 833                 while ((src_buf = v4l2_m2m_src_buf_remove(ctx->m2m_ctx)))
 834                         v4l2_m2m_buf_done(to_vb2_v4l2_buffer(src_buf),
 835                                         VB2_BUF_STATE_ERROR);
 836         }
 837
 838         if ((q->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE &&
 839              vb2_is_streaming(&ctx->m2m_ctx->out_q_ctx.q)) ||
 840             (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE &&
 841              vb2_is_streaming(&ctx->m2m_ctx->cap_q_ctx.q))) {
 842                 mtk_v4l2_debug(1, "[%d]-> q type %d out=%d cap=%d",
 843                                ctx->id, q->type,
 844                                vb2_is_streaming(&ctx->m2m_ctx->out_q_ctx.q),
 845                                vb2_is_streaming(&ctx->m2m_ctx->cap_q_ctx.q));
 846                 return;
 847         }
 848
 849         /* Release the encoder if both streams are stopped. */
 850         ret = venc_if_deinit(ctx);
 851         if (ret)
 852                 mtk_v4l2_err("venc_if_deinit failed=%d", ret);
 853
 854         ctx->state = MTK_STATE_FREE;
 855 }
 856
 857 static struct vb2_ops mtk_venc_vb2_ops = {
 858         .queue_setup            = vb2ops_venc_queue_setup,
 859         .buf_prepare            = vb2ops_venc_buf_prepare,
 860         .buf_queue              = vb2ops_venc_buf_queue,
 861         .wait_prepare           = vb2_ops_wait_prepare,
 862         .wait_finish            = vb2_ops_wait_finish,
 863         .start_streaming        = vb2ops_venc_start_streaming,
 864         .stop_streaming         = vb2ops_venc_stop_streaming,
 865 };
 866
 867 static int mtk_venc_encode_header(void *priv)
 868 {
 869         struct mtk_vcodec_ctx *ctx = priv;
 870         int ret;
 871         struct vb2_buffer *src_buf, *dst_buf;
 872         struct vb2_v4l2_buffer *dst_vb2_v4l2, *src_vb2_v4l2;
 873         struct mtk_vcodec_mem bs_buf;
 874         struct venc_done_result enc_result;
 875
 876         dst_buf = v4l2_m2m_dst_buf_remove(ctx->m2m_ctx);
 877         if (!dst_buf) {
 878                 mtk_v4l2_debug(1, "No dst buffer");
 879                 return -EINVAL;
 880         }
 881
 882         bs_buf.va = vb2_plane_vaddr(dst_buf, 0);
 883         bs_buf.dma_addr = vb2_dma_contig_plane_dma_addr(dst_buf, 0);
 884         bs_buf.size = (size_t)dst_buf->planes[0].length;
 885
 886         mtk_v4l2_debug(1,
 887                         "[%d] buf id=%d va=0x%p dma_addr=0x%llx size=%zu",
 888                         ctx->id,
 889                         dst_buf->index, bs_buf.va,
 890                         (u64)bs_buf.dma_addr,
 891                         bs_buf.size);
 892
 893         ret = venc_if_encode(ctx,
 894                         VENC_START_OPT_ENCODE_SEQUENCE_HEADER,
 895                         NULL, &bs_buf, &enc_result);
 896
 897         if (ret) {
 898                 dst_buf->planes[0].bytesused = 0;
 899                 ctx->state = MTK_STATE_ABORT;
 900                 v4l2_m2m_buf_done(to_vb2_v4l2_buffer(dst_buf),
 901                                   VB2_BUF_STATE_ERROR);
 902                 mtk_v4l2_err("venc_if_encode failed=%d", ret);
 903                 return -EINVAL;
 904         }
 905         src_buf = v4l2_m2m_next_src_buf(ctx->m2m_ctx);
 906         if (src_buf) {
 907                 src_vb2_v4l2 = to_vb2_v4l2_buffer(src_buf);
 908                 dst_vb2_v4l2 = to_vb2_v4l2_buffer(dst_buf);
 909                 dst_buf->timestamp = src_buf->timestamp;
 910                 dst_vb2_v4l2->timecode = src_vb2_v4l2->timecode;
 911         } else {
 912                 mtk_v4l2_err("No timestamp for the header buffer.");
 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 *dst_vb2_v4l2, *src_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         src_vb2_v4l2 = to_vb2_v4l2_buffer(src_buf);
1047         dst_vb2_v4l2 = to_vb2_v4l2_buffer(dst_buf);
1048
1049         dst_buf->timestamp = src_buf->timestamp;
1050         dst_vb2_v4l2->timecode = src_vb2_v4l2->timecode;
1051
1052         if (enc_result.is_key_frm)
1053                 dst_vb2_v4l2->flags |= V4L2_BUF_FLAG_KEYFRAME;
1054
1055         if (ret) {
1056                 v4l2_m2m_buf_done(to_vb2_v4l2_buffer(src_buf),
1057                                   VB2_BUF_STATE_ERROR);
1058                 dst_buf->planes[0].bytesused = 0;
1059                 v4l2_m2m_buf_done(to_vb2_v4l2_buffer(dst_buf),
1060                                   VB2_BUF_STATE_ERROR);
1061                 mtk_v4l2_err("venc_if_encode failed=%d", ret);
1062         } else {
1063                 v4l2_m2m_buf_done(to_vb2_v4l2_buffer(src_buf),
1064                                   VB2_BUF_STATE_DONE);
1065                 dst_buf->planes[0].bytesused = enc_result.bs_size;
1066                 v4l2_m2m_buf_done(to_vb2_v4l2_buffer(dst_buf),
1067                                   VB2_BUF_STATE_DONE);
1068                 mtk_v4l2_debug(2, "venc_if_encode bs size=%d",
1069                                  enc_result.bs_size);
1070         }
1071
1072         v4l2_m2m_job_finish(ctx->dev->m2m_dev_enc, ctx->m2m_ctx);
1073
1074         mtk_v4l2_debug(1, "<=== src_buf[%d] dst_buf[%d] venc_if_encode ret=%d Size=%u===>",
1075                         src_buf->index, dst_buf->index, ret,
1076                         enc_result.bs_size);
1077 }
1078
1079 static void m2mops_venc_device_run(void *priv)
1080 {
1081         struct mtk_vcodec_ctx *ctx = priv;
1082
1083         if ((ctx->q_data[MTK_Q_DATA_DST].fmt->fourcc == V4L2_PIX_FMT_H264) &&
1084             (ctx->state != MTK_STATE_HEADER)) {
1085                 /* encode h264 sps/pps header */
1086                 mtk_venc_encode_header(ctx);
1087                 queue_work(ctx->dev->encode_workqueue, &ctx->encode_work);
1088                 return;
1089         }
1090
1091         mtk_venc_param_change(ctx);
1092         queue_work(ctx->dev->encode_workqueue, &ctx->encode_work);
1093 }
1094
1095 static int m2mops_venc_job_ready(void *m2m_priv)
1096 {
1097         struct mtk_vcodec_ctx *ctx = m2m_priv;
1098
1099         if (ctx->state == MTK_STATE_ABORT || ctx->state == MTK_STATE_FREE) {
1100                 mtk_v4l2_debug(3, "[%d]Not ready: state=0x%x.",
1101                                ctx->id, ctx->state);
1102                 return 0;
1103         }
1104
1105         return 1;
1106 }
1107
1108 static void m2mops_venc_job_abort(void *priv)
1109 {
1110         struct mtk_vcodec_ctx *ctx = priv;
1111
1112         ctx->state = MTK_STATE_ABORT;
1113 }
1114
1115 static void m2mops_venc_lock(void *m2m_priv)
1116 {
1117         struct mtk_vcodec_ctx *ctx = m2m_priv;
1118
1119         mutex_lock(&ctx->dev->dev_mutex);
1120 }
1121
1122 static void m2mops_venc_unlock(void *m2m_priv)
1123 {
1124         struct mtk_vcodec_ctx *ctx = m2m_priv;
1125
1126         mutex_unlock(&ctx->dev->dev_mutex);
1127 }
1128
1129 const struct v4l2_m2m_ops mtk_venc_m2m_ops = {
1130         .device_run     = m2mops_venc_device_run,
1131         .job_ready      = m2mops_venc_job_ready,
1132         .job_abort      = m2mops_venc_job_abort,
1133         .lock           = m2mops_venc_lock,
1134         .unlock         = m2mops_venc_unlock,
1135 };
1136
1137 void mtk_vcodec_enc_set_default_params(struct mtk_vcodec_ctx *ctx)
1138 {
1139         struct mtk_q_data *q_data;
1140
1141         ctx->m2m_ctx->q_lock = &ctx->dev->dev_mutex;
1142         ctx->fh.m2m_ctx = ctx->m2m_ctx;
1143         ctx->fh.ctrl_handler = &ctx->ctrl_hdl;
1144         INIT_WORK(&ctx->encode_work, mtk_venc_worker);
1145
1146         ctx->colorspace = V4L2_COLORSPACE_REC709;
1147         ctx->ycbcr_enc = V4L2_YCBCR_ENC_DEFAULT;
1148         ctx->quantization = V4L2_QUANTIZATION_DEFAULT;
1149         ctx->xfer_func = V4L2_XFER_FUNC_DEFAULT;
1150
1151         q_data = &ctx->q_data[MTK_Q_DATA_SRC];
1152         memset(q_data, 0, sizeof(struct mtk_q_data));
1153         q_data->visible_width = DFT_CFG_WIDTH;
1154         q_data->visible_height = DFT_CFG_HEIGHT;
1155         q_data->coded_width = DFT_CFG_WIDTH;
1156         q_data->coded_height = DFT_CFG_HEIGHT;
1157         q_data->field = V4L2_FIELD_NONE;
1158
1159         q_data->fmt = &mtk_video_formats[OUT_FMT_IDX];
1160
1161         v4l_bound_align_image(&q_data->coded_width,
1162                                 MTK_VENC_MIN_W,
1163                                 MTK_VENC_MAX_W, 4,
1164                                 &q_data->coded_height,
1165                                 MTK_VENC_MIN_H,
1166                                 MTK_VENC_MAX_H, 5, 6);
1167
1168         if (q_data->coded_width < DFT_CFG_WIDTH &&
1169                 (q_data->coded_width + 16) <= MTK_VENC_MAX_W)
1170                 q_data->coded_width += 16;
1171         if (q_data->coded_height < DFT_CFG_HEIGHT &&
1172                 (q_data->coded_height + 32) <= MTK_VENC_MAX_H)
1173                 q_data->coded_height += 32;
1174
1175         q_data->sizeimage[0] =
1176                 q_data->coded_width * q_data->coded_height+
1177                 ((ALIGN(q_data->coded_width, 16) * 2) * 16);
1178         q_data->bytesperline[0] = q_data->coded_width;
1179         q_data->sizeimage[1] =
1180                 (q_data->coded_width * q_data->coded_height) / 2 +
1181                 (ALIGN(q_data->coded_width, 16) * 16);
1182         q_data->bytesperline[1] = q_data->coded_width;
1183
1184         q_data = &ctx->q_data[MTK_Q_DATA_DST];
1185         memset(q_data, 0, sizeof(struct mtk_q_data));
1186         q_data->coded_width = DFT_CFG_WIDTH;
1187         q_data->coded_height = DFT_CFG_HEIGHT;
1188         q_data->fmt = &mtk_video_formats[CAP_FMT_IDX];
1189         q_data->field = V4L2_FIELD_NONE;
1190         ctx->q_data[MTK_Q_DATA_DST].sizeimage[0] =
1191                 DFT_CFG_WIDTH * DFT_CFG_HEIGHT;
1192         ctx->q_data[MTK_Q_DATA_DST].bytesperline[0] = 0;
1193
1194 }
1195
1196 int mtk_vcodec_enc_ctrls_setup(struct mtk_vcodec_ctx *ctx)
1197 {
1198         const struct v4l2_ctrl_ops *ops = &mtk_vcodec_enc_ctrl_ops;
1199         struct v4l2_ctrl_handler *handler = &ctx->ctrl_hdl;
1200
1201         v4l2_ctrl_handler_init(handler, MTK_MAX_CTRLS_HINT);
1202
1203         v4l2_ctrl_new_std(handler, ops, V4L2_CID_MPEG_VIDEO_BITRATE,
1204                         1, 4000000, 1, 4000000);
1205         v4l2_ctrl_new_std(handler, ops, V4L2_CID_MPEG_VIDEO_B_FRAMES,
1206                         0, 2, 1, 0);
1207         v4l2_ctrl_new_std(handler, ops, V4L2_CID_MPEG_VIDEO_FRAME_RC_ENABLE,
1208                         0, 1, 1, 1);
1209         v4l2_ctrl_new_std(handler, ops, V4L2_CID_MPEG_VIDEO_H264_MAX_QP,
1210                         0, 51, 1, 51);
1211         v4l2_ctrl_new_std(handler, ops, V4L2_CID_MPEG_VIDEO_H264_I_PERIOD,
1212                         0, 65535, 1, 0);
1213         v4l2_ctrl_new_std(handler, ops, V4L2_CID_MPEG_VIDEO_GOP_SIZE,
1214                         0, 65535, 1, 0);
1215         v4l2_ctrl_new_std(handler, ops, V4L2_CID_MPEG_VIDEO_MB_RC_ENABLE,
1216                         0, 1, 1, 0);
1217         v4l2_ctrl_new_std(handler, ops, V4L2_CID_MPEG_VIDEO_FORCE_KEY_FRAME,
1218                         0, 0, 0, 0);
1219         v4l2_ctrl_new_std_menu(handler, ops,
1220                         V4L2_CID_MPEG_VIDEO_HEADER_MODE,
1221                         V4L2_MPEG_VIDEO_HEADER_MODE_JOINED_WITH_1ST_FRAME,
1222                         0, V4L2_MPEG_VIDEO_HEADER_MODE_SEPARATE);
1223         v4l2_ctrl_new_std_menu(handler, ops, V4L2_CID_MPEG_VIDEO_H264_PROFILE,
1224                         V4L2_MPEG_VIDEO_H264_PROFILE_HIGH,
1225                         0, V4L2_MPEG_VIDEO_H264_PROFILE_HIGH);
1226         v4l2_ctrl_new_std_menu(handler, ops, V4L2_CID_MPEG_VIDEO_H264_LEVEL,
1227                         V4L2_MPEG_VIDEO_H264_LEVEL_4_2,
1228                         0, V4L2_MPEG_VIDEO_H264_LEVEL_4_0);
1229         if (handler->error) {
1230                 mtk_v4l2_err("Init control handler fail %d",
1231                                 handler->error);
1232                 return handler->error;
1233         }
1234
1235         v4l2_ctrl_handler_setup(&ctx->ctrl_hdl);
1236
1237         return 0;
1238 }
1239
1240 int mtk_vcodec_enc_queue_init(void *priv, struct vb2_queue *src_vq,
1241                               struct vb2_queue *dst_vq)
1242 {
1243         struct mtk_vcodec_ctx *ctx = priv;
1244         int ret;
1245
1246         /* Note: VB2_USERPTR works with dma-contig because mt8173
1247          * support iommu
1248          * https://patchwork.kernel.org/patch/8335461/
1249          * https://patchwork.kernel.org/patch/7596181/
1250          */
1251         src_vq->type            = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE;
1252         src_vq->io_modes        = VB2_DMABUF | VB2_MMAP | VB2_USERPTR;
1253         src_vq->drv_priv        = ctx;
1254         src_vq->buf_struct_size = sizeof(struct mtk_video_enc_buf);
1255         src_vq->ops             = &mtk_venc_vb2_ops;
1256         src_vq->mem_ops         = &vb2_dma_contig_memops;
1257         src_vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY;
1258         src_vq->lock            = &ctx->dev->dev_mutex;
1259         src_vq->dev             = &ctx->dev->plat_dev->dev;
1260
1261         ret = vb2_queue_init(src_vq);
1262         if (ret)
1263                 return ret;
1264
1265         dst_vq->type            = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE;
1266         dst_vq->io_modes        = VB2_DMABUF | VB2_MMAP | VB2_USERPTR;
1267         dst_vq->drv_priv        = ctx;
1268         dst_vq->buf_struct_size = sizeof(struct v4l2_m2m_buffer);
1269         dst_vq->ops             = &mtk_venc_vb2_ops;
1270         dst_vq->mem_ops         = &vb2_dma_contig_memops;
1271         dst_vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY;
1272         dst_vq->lock            = &ctx->dev->dev_mutex;
1273         dst_vq->dev             = &ctx->dev->plat_dev->dev;
1274
1275         return vb2_queue_init(dst_vq);
1276 }
1277
1278 int mtk_venc_unlock(struct mtk_vcodec_ctx *ctx)
1279 {
1280         struct mtk_vcodec_dev *dev = ctx->dev;
1281
1282         mutex_unlock(&dev->enc_mutex);
1283         return 0;
1284 }
1285
1286 int mtk_venc_lock(struct mtk_vcodec_ctx *ctx)
1287 {
1288         struct mtk_vcodec_dev *dev = ctx->dev;
1289
1290         mutex_lock(&dev->enc_mutex);
1291         return 0;
1292 }
1293
1294 void mtk_vcodec_enc_release(struct mtk_vcodec_ctx *ctx)
1295 {
1296         int ret = venc_if_deinit(ctx);
1297
1298         if (ret)
1299                 mtk_v4l2_err("venc_if_deinit failed=%d", ret);
1300
1301         ctx->state = MTK_STATE_FREE;
1302 }