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

   1 // SPDX-License-Identifier: GPL-2.0-only
   2 /*
   3  * Copyright (c) 2012-2016, The Linux Foundation. All rights reserved.
   4  * Copyright (C) 2017 Linaro Ltd.
   5  */
   6 #include <linux/clk.h>
   7 #include <linux/module.h>
   8 #include <linux/mod_devicetable.h>
   9 #include <linux/platform_device.h>
  10 #include <linux/pm_runtime.h>
  11 #include <linux/slab.h>
  12 #include <media/v4l2-mem2mem.h>
  13 #include <media/videobuf2-dma-contig.h>
  14 #include <media/v4l2-ioctl.h>
  15 #include <media/v4l2-event.h>
  16 #include <media/v4l2-ctrls.h>
  17
  18 #include "hfi_venus_io.h"
  19 #include "hfi_parser.h"
  20 #include "core.h"
  21 #include "helpers.h"
  22 #include "venc.h"
  23 #include "pm_helpers.h"
  24
  25 #define NUM_B_FRAMES_MAX        4
  26
  27 /*
  28  * Three resons to keep MPLANE formats (despite that the number of planes
  29  * currently is one):
  30  * - the MPLANE formats allow only one plane to be used
  31  * - the downstream driver use MPLANE formats too
  32  * - future firmware versions could add support for >1 planes
  33  */
  34 static const struct venus_format venc_formats[] = {
  35         [VENUS_FMT_NV12] = {
  36                 .pixfmt = V4L2_PIX_FMT_NV12,
  37                 .num_planes = 1,
  38                 .type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE,
  39         },
  40         [VENUS_FMT_H264] = {
  41                 .pixfmt = V4L2_PIX_FMT_H264,
  42                 .num_planes = 1,
  43                 .type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE,
  44         },
  45         [VENUS_FMT_VP8] = {
  46                 .pixfmt = V4L2_PIX_FMT_VP8,
  47                 .num_planes = 1,
  48                 .type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE,
  49         },
  50         [VENUS_FMT_HEVC] = {
  51                 .pixfmt = V4L2_PIX_FMT_HEVC,
  52                 .num_planes = 1,
  53                 .type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE,
  54         },
  55         [VENUS_FMT_MPEG4] = {
  56                 .pixfmt = V4L2_PIX_FMT_MPEG4,
  57                 .num_planes = 1,
  58                 .type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE,
  59         },
  60         [VENUS_FMT_H263] = {
  61                 .pixfmt = V4L2_PIX_FMT_H263,
  62                 .num_planes = 1,
  63                 .type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE,
  64         },
  65 };
  66
  67 static const struct venus_format *
  68 find_format(struct venus_inst *inst, u32 pixfmt, u32 type)
  69 {
  70         const struct venus_format *fmt = venc_formats;
  71         unsigned int size = ARRAY_SIZE(venc_formats);
  72         unsigned int i;
  73
  74         for (i = 0; i < size; i++) {
  75                 if (fmt[i].pixfmt == pixfmt)
  76                         break;
  77         }
  78
  79         if (i == size || fmt[i].type != type)
  80                 return NULL;
  81
  82         if (type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE &&
  83             !venus_helper_check_codec(inst, fmt[i].pixfmt))
  84                 return NULL;
  85
  86         return &fmt[i];
  87 }
  88
  89 static const struct venus_format *
  90 find_format_by_index(struct venus_inst *inst, unsigned int index, u32 type)
  91 {
  92         const struct venus_format *fmt = venc_formats;
  93         unsigned int size = ARRAY_SIZE(venc_formats);
  94         unsigned int i, k = 0;
  95
  96         if (index > size)
  97                 return NULL;
  98
  99         for (i = 0; i < size; i++) {
 100                 bool valid;
 101
 102                 if (fmt[i].type != type)
 103                         continue;
 104                 valid = type != V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE ||
 105                         venus_helper_check_codec(inst, fmt[i].pixfmt);
 106                 if (k == index && valid)
 107                         break;
 108                 if (valid)
 109                         k++;
 110         }
 111
 112         if (i == size)
 113                 return NULL;
 114
 115         return &fmt[i];
 116 }
 117
 118 static int venc_v4l2_to_hfi(int id, int value)
 119 {
 120         switch (id) {
 121         case V4L2_CID_MPEG_VIDEO_H264_ENTROPY_MODE:
 122                 switch (value) {
 123                 case V4L2_MPEG_VIDEO_H264_ENTROPY_MODE_CAVLC:
 124                 default:
 125                         return HFI_H264_ENTROPY_CAVLC;
 126                 case V4L2_MPEG_VIDEO_H264_ENTROPY_MODE_CABAC:
 127                         return HFI_H264_ENTROPY_CABAC;
 128                 }
 129         case V4L2_CID_MPEG_VIDEO_H264_LOOP_FILTER_MODE:
 130                 switch (value) {
 131                 case V4L2_MPEG_VIDEO_H264_LOOP_FILTER_MODE_ENABLED:
 132                 default:
 133                         return HFI_H264_DB_MODE_ALL_BOUNDARY;
 134                 case V4L2_MPEG_VIDEO_H264_LOOP_FILTER_MODE_DISABLED:
 135                         return HFI_H264_DB_MODE_DISABLE;
 136                 case V4L2_MPEG_VIDEO_H264_LOOP_FILTER_MODE_DISABLED_AT_SLICE_BOUNDARY:
 137                         return HFI_H264_DB_MODE_SKIP_SLICE_BOUNDARY;
 138                 }
 139         }
 140
 141         return 0;
 142 }
 143
 144 static int
 145 venc_querycap(struct file *file, void *fh, struct v4l2_capability *cap)
 146 {
 147         strscpy(cap->driver, "qcom-venus", sizeof(cap->driver));
 148         strscpy(cap->card, "Qualcomm Venus video encoder", sizeof(cap->card));
 149         strscpy(cap->bus_info, "platform:qcom-venus", sizeof(cap->bus_info));
 150
 151         return 0;
 152 }
 153
 154 static int venc_enum_fmt(struct file *file, void *fh, struct v4l2_fmtdesc *f)
 155 {
 156         struct venus_inst *inst = to_inst(file);
 157         const struct venus_format *fmt;
 158
 159         fmt = find_format_by_index(inst, f->index, f->type);
 160
 161         memset(f->reserved, 0, sizeof(f->reserved));
 162
 163         if (!fmt)
 164                 return -EINVAL;
 165
 166         f->pixelformat = fmt->pixfmt;
 167
 168         return 0;
 169 }
 170
 171 static const struct venus_format *
 172 venc_try_fmt_common(struct venus_inst *inst, struct v4l2_format *f)
 173 {
 174         struct v4l2_pix_format_mplane *pixmp = &f->fmt.pix_mp;
 175         struct v4l2_plane_pix_format *pfmt = pixmp->plane_fmt;
 176         const struct venus_format *fmt;
 177         u32 sizeimage;
 178
 179         memset(pfmt[0].reserved, 0, sizeof(pfmt[0].reserved));
 180         memset(pixmp->reserved, 0, sizeof(pixmp->reserved));
 181
 182         fmt = find_format(inst, pixmp->pixelformat, f->type);
 183         if (!fmt) {
 184                 if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE)
 185                         pixmp->pixelformat = V4L2_PIX_FMT_H264;
 186                 else if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
 187                         pixmp->pixelformat = V4L2_PIX_FMT_NV12;
 188                 else
 189                         return NULL;
 190                 fmt = find_format(inst, pixmp->pixelformat, f->type);
 191                 if (!fmt)
 192                         return NULL;
 193         }
 194
 195         pixmp->width = clamp(pixmp->width, frame_width_min(inst),
 196                              frame_width_max(inst));
 197         pixmp->height = clamp(pixmp->height, frame_height_min(inst),
 198                               frame_height_max(inst));
 199
 200         pixmp->width = ALIGN(pixmp->width, 128);
 201         pixmp->height = ALIGN(pixmp->height, 32);
 202
 203         pixmp->width = ALIGN(pixmp->width, 2);
 204         pixmp->height = ALIGN(pixmp->height, 2);
 205
 206         if (pixmp->field == V4L2_FIELD_ANY)
 207                 pixmp->field = V4L2_FIELD_NONE;
 208         pixmp->num_planes = fmt->num_planes;
 209         pixmp->flags = 0;
 210
 211         sizeimage = venus_helper_get_framesz(pixmp->pixelformat,
 212                                              pixmp->width,
 213                                              pixmp->height);
 214         pfmt[0].sizeimage = max(ALIGN(pfmt[0].sizeimage, SZ_4K), sizeimage);
 215
 216         if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
 217                 pfmt[0].bytesperline = ALIGN(pixmp->width, 128);
 218         else
 219                 pfmt[0].bytesperline = 0;
 220
 221         return fmt;
 222 }
 223
 224 static int venc_try_fmt(struct file *file, void *fh, struct v4l2_format *f)
 225 {
 226         struct venus_inst *inst = to_inst(file);
 227
 228         venc_try_fmt_common(inst, f);
 229
 230         return 0;
 231 }
 232
 233 static int venc_s_fmt(struct file *file, void *fh, struct v4l2_format *f)
 234 {
 235         struct venus_inst *inst = to_inst(file);
 236         struct v4l2_pix_format_mplane *pixmp = &f->fmt.pix_mp;
 237         struct v4l2_pix_format_mplane orig_pixmp;
 238         const struct venus_format *fmt;
 239         struct v4l2_format format;
 240         u32 pixfmt_out = 0, pixfmt_cap = 0;
 241         struct vb2_queue *q;
 242
 243         q = v4l2_m2m_get_vq(inst->m2m_ctx, f->type);
 244         if (!q)
 245                 return -EINVAL;
 246
 247         if (vb2_is_busy(q))
 248                 return -EBUSY;
 249
 250         orig_pixmp = *pixmp;
 251
 252         fmt = venc_try_fmt_common(inst, f);
 253         if (!fmt)
 254                 return -EINVAL;
 255
 256         if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
 257                 pixfmt_out = pixmp->pixelformat;
 258                 pixfmt_cap = inst->fmt_cap->pixfmt;
 259         } else if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
 260                 pixfmt_cap = pixmp->pixelformat;
 261                 pixfmt_out = inst->fmt_out->pixfmt;
 262         }
 263
 264         memset(&format, 0, sizeof(format));
 265
 266         format.type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE;
 267         format.fmt.pix_mp.pixelformat = pixfmt_out;
 268         format.fmt.pix_mp.width = orig_pixmp.width;
 269         format.fmt.pix_mp.height = orig_pixmp.height;
 270         venc_try_fmt_common(inst, &format);
 271
 272         if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
 273                 inst->out_width = format.fmt.pix_mp.width;
 274                 inst->out_height = format.fmt.pix_mp.height;
 275                 inst->colorspace = pixmp->colorspace;
 276                 inst->ycbcr_enc = pixmp->ycbcr_enc;
 277                 inst->quantization = pixmp->quantization;
 278                 inst->xfer_func = pixmp->xfer_func;
 279         }
 280
 281         memset(&format, 0, sizeof(format));
 282
 283         format.type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE;
 284         format.fmt.pix_mp.pixelformat = pixfmt_cap;
 285         format.fmt.pix_mp.width = orig_pixmp.width;
 286         format.fmt.pix_mp.height = orig_pixmp.height;
 287         venc_try_fmt_common(inst, &format);
 288
 289         inst->width = format.fmt.pix_mp.width;
 290         inst->height = format.fmt.pix_mp.height;
 291
 292         if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
 293                 inst->fmt_out = fmt;
 294         else if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
 295                 inst->fmt_cap = fmt;
 296                 inst->output_buf_size = pixmp->plane_fmt[0].sizeimage;
 297         }
 298
 299         return 0;
 300 }
 301
 302 static int venc_g_fmt(struct file *file, void *fh, struct v4l2_format *f)
 303 {
 304         struct v4l2_pix_format_mplane *pixmp = &f->fmt.pix_mp;
 305         struct venus_inst *inst = to_inst(file);
 306         const struct venus_format *fmt;
 307
 308         if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE)
 309                 fmt = inst->fmt_cap;
 310         else if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
 311                 fmt = inst->fmt_out;
 312         else
 313                 return -EINVAL;
 314
 315         pixmp->pixelformat = fmt->pixfmt;
 316
 317         if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
 318                 pixmp->width = inst->width;
 319                 pixmp->height = inst->height;
 320                 pixmp->colorspace = inst->colorspace;
 321                 pixmp->ycbcr_enc = inst->ycbcr_enc;
 322                 pixmp->quantization = inst->quantization;
 323                 pixmp->xfer_func = inst->xfer_func;
 324         } else if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
 325                 pixmp->width = inst->out_width;
 326                 pixmp->height = inst->out_height;
 327         }
 328
 329         venc_try_fmt_common(inst, f);
 330
 331         return 0;
 332 }
 333
 334 static int
 335 venc_g_selection(struct file *file, void *fh, struct v4l2_selection *s)
 336 {
 337         struct venus_inst *inst = to_inst(file);
 338
 339         if (s->type != V4L2_BUF_TYPE_VIDEO_OUTPUT)
 340                 return -EINVAL;
 341
 342         switch (s->target) {
 343         case V4L2_SEL_TGT_CROP_DEFAULT:
 344         case V4L2_SEL_TGT_CROP_BOUNDS:
 345                 s->r.width = inst->out_width;
 346                 s->r.height = inst->out_height;
 347                 break;
 348         case V4L2_SEL_TGT_CROP:
 349                 s->r.width = inst->width;
 350                 s->r.height = inst->height;
 351                 break;
 352         default:
 353                 return -EINVAL;
 354         }
 355
 356         s->r.top = 0;
 357         s->r.left = 0;
 358
 359         return 0;
 360 }
 361
 362 static int
 363 venc_s_selection(struct file *file, void *fh, struct v4l2_selection *s)
 364 {
 365         struct venus_inst *inst = to_inst(file);
 366
 367         if (s->type != V4L2_BUF_TYPE_VIDEO_OUTPUT)
 368                 return -EINVAL;
 369
 370         if (s->r.width > inst->out_width ||
 371             s->r.height > inst->out_height)
 372                 return -EINVAL;
 373
 374         s->r.width = ALIGN(s->r.width, 2);
 375         s->r.height = ALIGN(s->r.height, 2);
 376
 377         switch (s->target) {
 378         case V4L2_SEL_TGT_CROP:
 379                 s->r.top = 0;
 380                 s->r.left = 0;
 381                 inst->width = s->r.width;
 382                 inst->height = s->r.height;
 383                 break;
 384         default:
 385                 return -EINVAL;
 386         }
 387
 388         return 0;
 389 }
 390
 391 static int venc_s_parm(struct file *file, void *fh, struct v4l2_streamparm *a)
 392 {
 393         struct venus_inst *inst = to_inst(file);
 394         struct v4l2_outputparm *out = &a->parm.output;
 395         struct v4l2_fract *timeperframe = &out->timeperframe;
 396         u64 us_per_frame, fps;
 397
 398         if (a->type != V4L2_BUF_TYPE_VIDEO_OUTPUT &&
 399             a->type != V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
 400                 return -EINVAL;
 401
 402         memset(out->reserved, 0, sizeof(out->reserved));
 403
 404         if (!timeperframe->denominator)
 405                 timeperframe->denominator = inst->timeperframe.denominator;
 406         if (!timeperframe->numerator)
 407                 timeperframe->numerator = inst->timeperframe.numerator;
 408
 409         out->capability = V4L2_CAP_TIMEPERFRAME;
 410
 411         us_per_frame = timeperframe->numerator * (u64)USEC_PER_SEC;
 412         do_div(us_per_frame, timeperframe->denominator);
 413
 414         if (!us_per_frame)
 415                 return -EINVAL;
 416
 417         fps = (u64)USEC_PER_SEC;
 418         do_div(fps, us_per_frame);
 419
 420         inst->timeperframe = *timeperframe;
 421         inst->fps = fps;
 422
 423         return 0;
 424 }
 425
 426 static int venc_g_parm(struct file *file, void *fh, struct v4l2_streamparm *a)
 427 {
 428         struct venus_inst *inst = to_inst(file);
 429
 430         if (a->type != V4L2_BUF_TYPE_VIDEO_OUTPUT &&
 431             a->type != V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
 432                 return -EINVAL;
 433
 434         a->parm.output.capability |= V4L2_CAP_TIMEPERFRAME;
 435         a->parm.output.timeperframe = inst->timeperframe;
 436
 437         return 0;
 438 }
 439
 440 static int venc_enum_framesizes(struct file *file, void *fh,
 441                                 struct v4l2_frmsizeenum *fsize)
 442 {
 443         struct venus_inst *inst = to_inst(file);
 444         const struct venus_format *fmt;
 445
 446         fsize->type = V4L2_FRMSIZE_TYPE_STEPWISE;
 447
 448         fmt = find_format(inst, fsize->pixel_format,
 449                           V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE);
 450         if (!fmt) {
 451                 fmt = find_format(inst, fsize->pixel_format,
 452                                   V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE);
 453                 if (!fmt)
 454                         return -EINVAL;
 455         }
 456
 457         if (fsize->index)
 458                 return -EINVAL;
 459
 460         fsize->stepwise.min_width = frame_width_min(inst);
 461         fsize->stepwise.max_width = frame_width_max(inst);
 462         fsize->stepwise.step_width = frame_width_step(inst);
 463         fsize->stepwise.min_height = frame_height_min(inst);
 464         fsize->stepwise.max_height = frame_height_max(inst);
 465         fsize->stepwise.step_height = frame_height_step(inst);
 466
 467         return 0;
 468 }
 469
 470 static int venc_enum_frameintervals(struct file *file, void *fh,
 471                                     struct v4l2_frmivalenum *fival)
 472 {
 473         struct venus_inst *inst = to_inst(file);
 474         const struct venus_format *fmt;
 475         unsigned int framerate_factor = 1;
 476
 477         fival->type = V4L2_FRMIVAL_TYPE_STEPWISE;
 478
 479         fmt = find_format(inst, fival->pixel_format,
 480                           V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE);
 481         if (!fmt) {
 482                 fmt = find_format(inst, fival->pixel_format,
 483                                   V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE);
 484                 if (!fmt)
 485                         return -EINVAL;
 486         }
 487
 488         if (fival->index)
 489                 return -EINVAL;
 490
 491         if (!fival->width || !fival->height)
 492                 return -EINVAL;
 493
 494         if (fival->width > frame_width_max(inst) ||
 495             fival->width < frame_width_min(inst) ||
 496             fival->height > frame_height_max(inst) ||
 497             fival->height < frame_height_min(inst))
 498                 return -EINVAL;
 499
 500         if (IS_V1(inst->core)) {
 501                 /* framerate is reported in 1/65535 fps unit */
 502                 framerate_factor = (1 << 16);
 503         }
 504
 505         fival->stepwise.min.numerator = 1;
 506         fival->stepwise.min.denominator = frate_max(inst) / framerate_factor;
 507         fival->stepwise.max.numerator = 1;
 508         fival->stepwise.max.denominator = frate_min(inst) / framerate_factor;
 509         fival->stepwise.step.numerator = 1;
 510         fival->stepwise.step.denominator = frate_max(inst) / framerate_factor;
 511
 512         return 0;
 513 }
 514
 515 static int venc_subscribe_event(struct v4l2_fh *fh,
 516                                 const struct v4l2_event_subscription *sub)
 517 {
 518         switch (sub->type) {
 519         case V4L2_EVENT_EOS:
 520                 return v4l2_event_subscribe(fh, sub, 2, NULL);
 521         case V4L2_EVENT_CTRL:
 522                 return v4l2_ctrl_subscribe_event(fh, sub);
 523         default:
 524                 return -EINVAL;
 525         }
 526 }
 527
 528 static int
 529 venc_encoder_cmd(struct file *file, void *fh, struct v4l2_encoder_cmd *cmd)
 530 {
 531         struct venus_inst *inst = to_inst(file);
 532         struct hfi_frame_data fdata = {0};
 533         int ret = 0;
 534
 535         ret = v4l2_m2m_ioctl_try_encoder_cmd(file, fh, cmd);
 536         if (ret)
 537                 return ret;
 538
 539         mutex_lock(&inst->lock);
 540
 541         if (cmd->cmd == V4L2_ENC_CMD_STOP &&
 542             inst->enc_state == VENUS_ENC_STATE_ENCODING) {
 543                 /*
 544                  * Implement V4L2_ENC_CMD_STOP by enqueue an empty buffer on
 545                  * encoder input to signal EOS.
 546                  */
 547                 if (!(inst->streamon_out && inst->streamon_cap))
 548                         goto unlock;
 549
 550                 fdata.buffer_type = HFI_BUFFER_INPUT;
 551                 fdata.flags |= HFI_BUFFERFLAG_EOS;
 552                 fdata.device_addr = 0xdeadb000;
 553
 554                 ret = hfi_session_process_buf(inst, &fdata);
 555
 556                 inst->enc_state = VENUS_ENC_STATE_DRAIN;
 557         } else if (cmd->cmd == V4L2_ENC_CMD_START) {
 558                 if (inst->enc_state == VENUS_ENC_STATE_DRAIN) {
 559                         ret = -EBUSY;
 560                         goto unlock;
 561                 }
 562                 if (inst->enc_state == VENUS_ENC_STATE_STOPPED) {
 563                         vb2_clear_last_buffer_dequeued(&inst->fh.m2m_ctx->cap_q_ctx.q);
 564                         inst->enc_state = VENUS_ENC_STATE_ENCODING;
 565                 }
 566         }
 567
 568 unlock:
 569         mutex_unlock(&inst->lock);
 570         return ret;
 571 }
 572
 573 static const struct v4l2_ioctl_ops venc_ioctl_ops = {
 574         .vidioc_querycap = venc_querycap,
 575         .vidioc_enum_fmt_vid_cap = venc_enum_fmt,
 576         .vidioc_enum_fmt_vid_out = venc_enum_fmt,
 577         .vidioc_s_fmt_vid_cap_mplane = venc_s_fmt,
 578         .vidioc_s_fmt_vid_out_mplane = venc_s_fmt,
 579         .vidioc_g_fmt_vid_cap_mplane = venc_g_fmt,
 580         .vidioc_g_fmt_vid_out_mplane = venc_g_fmt,
 581         .vidioc_try_fmt_vid_cap_mplane = venc_try_fmt,
 582         .vidioc_try_fmt_vid_out_mplane = venc_try_fmt,
 583         .vidioc_g_selection = venc_g_selection,
 584         .vidioc_s_selection = venc_s_selection,
 585         .vidioc_reqbufs = v4l2_m2m_ioctl_reqbufs,
 586         .vidioc_querybuf = v4l2_m2m_ioctl_querybuf,
 587         .vidioc_create_bufs = v4l2_m2m_ioctl_create_bufs,
 588         .vidioc_prepare_buf = v4l2_m2m_ioctl_prepare_buf,
 589         .vidioc_qbuf = v4l2_m2m_ioctl_qbuf,
 590         .vidioc_expbuf = v4l2_m2m_ioctl_expbuf,
 591         .vidioc_dqbuf = v4l2_m2m_ioctl_dqbuf,
 592         .vidioc_streamon = v4l2_m2m_ioctl_streamon,
 593         .vidioc_streamoff = v4l2_m2m_ioctl_streamoff,
 594         .vidioc_s_parm = venc_s_parm,
 595         .vidioc_g_parm = venc_g_parm,
 596         .vidioc_enum_framesizes = venc_enum_framesizes,
 597         .vidioc_enum_frameintervals = venc_enum_frameintervals,
 598         .vidioc_subscribe_event = venc_subscribe_event,
 599         .vidioc_unsubscribe_event = v4l2_event_unsubscribe,
 600         .vidioc_try_encoder_cmd = v4l2_m2m_ioctl_try_encoder_cmd,
 601         .vidioc_encoder_cmd = venc_encoder_cmd,
 602 };
 603
 604 static int venc_pm_get(struct venus_inst *inst)
 605 {
 606         struct venus_core *core = inst->core;
 607         struct device *dev = core->dev_enc;
 608         int ret;
 609
 610         mutex_lock(&core->pm_lock);
 611         ret = pm_runtime_resume_and_get(dev);
 612         mutex_unlock(&core->pm_lock);
 613
 614         return ret < 0 ? ret : 0;
 615 }
 616
 617 static int venc_pm_put(struct venus_inst *inst, bool autosuspend)
 618 {
 619         struct venus_core *core = inst->core;
 620         struct device *dev = core->dev_enc;
 621         int ret;
 622
 623         mutex_lock(&core->pm_lock);
 624
 625         if (autosuspend)
 626                 ret = pm_runtime_put_autosuspend(dev);
 627         else
 628                 ret = pm_runtime_put_sync(dev);
 629
 630         mutex_unlock(&core->pm_lock);
 631
 632         return ret < 0 ? ret : 0;
 633 }
 634
 635 static int venc_pm_get_put(struct venus_inst *inst)
 636 {
 637         struct venus_core *core = inst->core;
 638         struct device *dev = core->dev_enc;
 639         int ret = 0;
 640
 641         mutex_lock(&core->pm_lock);
 642
 643         if (pm_runtime_suspended(dev)) {
 644                 ret = pm_runtime_resume_and_get(dev);
 645                 if (ret < 0)
 646                         goto error;
 647
 648                 ret = pm_runtime_put_autosuspend(dev);
 649         }
 650
 651 error:
 652         mutex_unlock(&core->pm_lock);
 653
 654         return ret < 0 ? ret : 0;
 655 }
 656
 657 static void venc_pm_touch(struct venus_inst *inst)
 658 {
 659         pm_runtime_mark_last_busy(inst->core->dev_enc);
 660 }
 661
 662 static int venc_set_properties(struct venus_inst *inst)
 663 {
 664         struct venc_controls *ctr = &inst->controls.enc;
 665         struct hfi_intra_period intra_period;
 666         struct hfi_framerate frate;
 667         struct hfi_bitrate brate;
 668         struct hfi_idr_period idrp;
 669         struct hfi_quantization quant;
 670         struct hfi_quantization_range quant_range;
 671         struct hfi_quantization_range_v2 quant_range_v2;
 672         struct hfi_enable en;
 673         struct hfi_ltr_mode ltr_mode;
 674         struct hfi_intra_refresh intra_refresh = {};
 675         u32 ptype, rate_control, bitrate;
 676         u32 profile, level;
 677         int ret;
 678
 679         ret = venus_helper_set_work_mode(inst);
 680         if (ret)
 681                 return ret;
 682
 683         ptype = HFI_PROPERTY_CONFIG_FRAME_RATE;
 684         frate.buffer_type = HFI_BUFFER_OUTPUT;
 685         frate.framerate = inst->fps * (1 << 16);
 686
 687         ret = hfi_session_set_property(inst, ptype, &frate);
 688         if (ret)
 689                 return ret;
 690
 691         if (inst->fmt_cap->pixfmt == V4L2_PIX_FMT_H264) {
 692                 struct hfi_h264_vui_timing_info info;
 693                 struct hfi_h264_entropy_control entropy;
 694                 struct hfi_h264_db_control deblock;
 695                 struct hfi_h264_8x8_transform h264_transform;
 696
 697                 ptype = HFI_PROPERTY_PARAM_VENC_H264_VUI_TIMING_INFO;
 698                 info.enable = 1;
 699                 info.fixed_framerate = 1;
 700                 info.time_scale = NSEC_PER_SEC;
 701
 702                 ret = hfi_session_set_property(inst, ptype, &info);
 703                 if (ret)
 704                         return ret;
 705
 706                 ptype = HFI_PROPERTY_PARAM_VENC_H264_ENTROPY_CONTROL;
 707                 entropy.entropy_mode = venc_v4l2_to_hfi(
 708                                           V4L2_CID_MPEG_VIDEO_H264_ENTROPY_MODE,
 709                                           ctr->h264_entropy_mode);
 710                 entropy.cabac_model = HFI_H264_CABAC_MODEL_0;
 711
 712                 ret = hfi_session_set_property(inst, ptype, &entropy);
 713                 if (ret)
 714                         return ret;
 715
 716                 ptype = HFI_PROPERTY_PARAM_VENC_H264_DEBLOCK_CONTROL;
 717                 deblock.mode = venc_v4l2_to_hfi(
 718                                       V4L2_CID_MPEG_VIDEO_H264_LOOP_FILTER_MODE,
 719                                       ctr->h264_loop_filter_mode);
 720                 deblock.slice_alpha_offset = ctr->h264_loop_filter_alpha;
 721                 deblock.slice_beta_offset = ctr->h264_loop_filter_beta;
 722
 723                 ret = hfi_session_set_property(inst, ptype, &deblock);
 724                 if (ret)
 725                         return ret;
 726
 727                 ptype = HFI_PROPERTY_PARAM_VENC_H264_TRANSFORM_8X8;
 728                 h264_transform.enable_type = 0;
 729                 if (ctr->profile.h264 == V4L2_MPEG_VIDEO_H264_PROFILE_HIGH ||
 730                     ctr->profile.h264 == V4L2_MPEG_VIDEO_H264_PROFILE_CONSTRAINED_HIGH)
 731                         h264_transform.enable_type = ctr->h264_8x8_transform;
 732
 733                 ret = hfi_session_set_property(inst, ptype, &h264_transform);
 734                 if (ret)
 735                         return ret;
 736
 737         }
 738
 739         if (inst->fmt_cap->pixfmt == V4L2_PIX_FMT_H264 ||
 740             inst->fmt_cap->pixfmt == V4L2_PIX_FMT_HEVC) {
 741                 /* IDR periodicity, n:
 742                  * n = 0 - only the first I-frame is IDR frame
 743                  * n = 1 - all I-frames will be IDR frames
 744                  * n > 1 - every n-th I-frame will be IDR frame
 745                  */
 746                 ptype = HFI_PROPERTY_CONFIG_VENC_IDR_PERIOD;
 747                 idrp.idr_period = 0;
 748                 ret = hfi_session_set_property(inst, ptype, &idrp);
 749                 if (ret)
 750                         return ret;
 751         }
 752
 753         if (inst->fmt_cap->pixfmt == V4L2_PIX_FMT_HEVC &&
 754             ctr->profile.hevc == V4L2_MPEG_VIDEO_HEVC_PROFILE_MAIN_10) {
 755                 struct hfi_hdr10_pq_sei hdr10;
 756                 unsigned int c;
 757
 758                 ptype = HFI_PROPERTY_PARAM_VENC_HDR10_PQ_SEI;
 759
 760                 for (c = 0; c < 3; c++) {
 761                         hdr10.mastering.display_primaries_x[c] =
 762                                 ctr->mastering.display_primaries_x[c];
 763                         hdr10.mastering.display_primaries_y[c] =
 764                                 ctr->mastering.display_primaries_y[c];
 765                 }
 766
 767                 hdr10.mastering.white_point_x = ctr->mastering.white_point_x;
 768                 hdr10.mastering.white_point_y = ctr->mastering.white_point_y;
 769                 hdr10.mastering.max_display_mastering_luminance =
 770                         ctr->mastering.max_display_mastering_luminance;
 771                 hdr10.mastering.min_display_mastering_luminance =
 772                         ctr->mastering.min_display_mastering_luminance;
 773
 774                 hdr10.cll.max_content_light = ctr->cll.max_content_light_level;
 775                 hdr10.cll.max_pic_average_light =
 776                         ctr->cll.max_pic_average_light_level;
 777
 778                 ret = hfi_session_set_property(inst, ptype, &hdr10);
 779                 if (ret)
 780                         return ret;
 781         }
 782
 783         if (ctr->num_b_frames) {
 784                 u32 max_num_b_frames = NUM_B_FRAMES_MAX;
 785
 786                 ptype = HFI_PROPERTY_PARAM_VENC_MAX_NUM_B_FRAMES;
 787                 ret = hfi_session_set_property(inst, ptype, &max_num_b_frames);
 788                 if (ret)
 789                         return ret;
 790         }
 791
 792         ptype = HFI_PROPERTY_CONFIG_VENC_INTRA_PERIOD;
 793         intra_period.pframes = ctr->num_p_frames;
 794         intra_period.bframes = ctr->num_b_frames;
 795
 796         ret = hfi_session_set_property(inst, ptype, &intra_period);
 797         if (ret)
 798                 return ret;
 799
 800         if (!ctr->rc_enable)
 801                 rate_control = HFI_RATE_CONTROL_OFF;
 802         else if (ctr->bitrate_mode == V4L2_MPEG_VIDEO_BITRATE_MODE_VBR)
 803                 rate_control = ctr->frame_skip_mode ? HFI_RATE_CONTROL_VBR_VFR :
 804                                                       HFI_RATE_CONTROL_VBR_CFR;
 805         else if (ctr->bitrate_mode == V4L2_MPEG_VIDEO_BITRATE_MODE_CBR)
 806                 rate_control = ctr->frame_skip_mode ? HFI_RATE_CONTROL_CBR_VFR :
 807                                                       HFI_RATE_CONTROL_CBR_CFR;
 808         else if (ctr->bitrate_mode == V4L2_MPEG_VIDEO_BITRATE_MODE_CQ)
 809                 rate_control = HFI_RATE_CONTROL_CQ;
 810
 811         ptype = HFI_PROPERTY_PARAM_VENC_RATE_CONTROL;
 812         ret = hfi_session_set_property(inst, ptype, &rate_control);
 813         if (ret)
 814                 return ret;
 815
 816         if (rate_control == HFI_RATE_CONTROL_CQ && ctr->const_quality) {
 817                 struct hfi_heic_frame_quality quality = {};
 818
 819                 ptype = HFI_PROPERTY_CONFIG_HEIC_FRAME_QUALITY;
 820                 quality.frame_quality = ctr->const_quality;
 821                 ret = hfi_session_set_property(inst, ptype, &quality);
 822                 if (ret)
 823                         return ret;
 824         }
 825
 826         if (!ctr->bitrate)
 827                 bitrate = 64000;
 828         else
 829                 bitrate = ctr->bitrate;
 830
 831         ptype = HFI_PROPERTY_CONFIG_VENC_TARGET_BITRATE;
 832         brate.bitrate = bitrate;
 833         brate.layer_id = 0;
 834
 835         ret = hfi_session_set_property(inst, ptype, &brate);
 836         if (ret)
 837                 return ret;
 838
 839         if (inst->fmt_cap->pixfmt == V4L2_PIX_FMT_H264 ||
 840             inst->fmt_cap->pixfmt == V4L2_PIX_FMT_HEVC) {
 841                 ptype = HFI_PROPERTY_CONFIG_VENC_SYNC_FRAME_SEQUENCE_HEADER;
 842                 if (ctr->header_mode == V4L2_MPEG_VIDEO_HEADER_MODE_SEPARATE)
 843                         en.enable = 0;
 844                 else
 845                         en.enable = 1;
 846
 847                 ret = hfi_session_set_property(inst, ptype, &en);
 848                 if (ret)
 849                         return ret;
 850         }
 851
 852         if (!ctr->bitrate_peak)
 853                 bitrate *= 2;
 854         else
 855                 bitrate = ctr->bitrate_peak;
 856
 857         ptype = HFI_PROPERTY_CONFIG_VENC_MAX_BITRATE;
 858         brate.bitrate = bitrate;
 859         brate.layer_id = 0;
 860
 861         ret = hfi_session_set_property(inst, ptype, &brate);
 862         if (ret)
 863                 return ret;
 864
 865         ptype = HFI_PROPERTY_PARAM_VENC_SESSION_QP;
 866         if (inst->fmt_cap->pixfmt == V4L2_PIX_FMT_HEVC) {
 867                 quant.qp_i = ctr->hevc_i_qp;
 868                 quant.qp_p = ctr->hevc_p_qp;
 869                 quant.qp_b = ctr->hevc_b_qp;
 870         } else {
 871                 quant.qp_i = ctr->h264_i_qp;
 872                 quant.qp_p = ctr->h264_p_qp;
 873                 quant.qp_b = ctr->h264_b_qp;
 874         }
 875         quant.layer_id = 0;
 876         ret = hfi_session_set_property(inst, ptype, &quant);
 877         if (ret)
 878                 return ret;
 879
 880         if (inst->core->res->hfi_version == HFI_VERSION_4XX ||
 881             inst->core->res->hfi_version == HFI_VERSION_6XX) {
 882                 ptype = HFI_PROPERTY_PARAM_VENC_SESSION_QP_RANGE_V2;
 883
 884                 if (inst->fmt_cap->pixfmt == V4L2_PIX_FMT_HEVC) {
 885                         quant_range_v2.min_qp.qp_packed = ctr->hevc_min_qp;
 886                         quant_range_v2.max_qp.qp_packed = ctr->hevc_max_qp;
 887                 } else if (inst->fmt_cap->pixfmt == V4L2_PIX_FMT_VP8) {
 888                         quant_range_v2.min_qp.qp_packed = ctr->vp8_min_qp;
 889                         quant_range_v2.max_qp.qp_packed = ctr->vp8_max_qp;
 890                 } else {
 891                         quant_range_v2.min_qp.qp_packed = ctr->h264_min_qp;
 892                         quant_range_v2.max_qp.qp_packed = ctr->h264_max_qp;
 893                 }
 894
 895                 ret = hfi_session_set_property(inst, ptype, &quant_range_v2);
 896         } else {
 897                 ptype = HFI_PROPERTY_PARAM_VENC_SESSION_QP_RANGE;
 898
 899                 if (inst->fmt_cap->pixfmt == V4L2_PIX_FMT_HEVC) {
 900                         quant_range.min_qp = ctr->hevc_min_qp;
 901                         quant_range.max_qp = ctr->hevc_max_qp;
 902                 } else if (inst->fmt_cap->pixfmt == V4L2_PIX_FMT_VP8) {
 903                         quant_range.min_qp = ctr->vp8_min_qp;
 904                         quant_range.max_qp = ctr->vp8_max_qp;
 905                 } else {
 906                         quant_range.min_qp = ctr->h264_min_qp;
 907                         quant_range.max_qp = ctr->h264_max_qp;
 908                 }
 909
 910                 quant_range.layer_id = 0;
 911                 ret = hfi_session_set_property(inst, ptype, &quant_range);
 912         }
 913
 914         if (ret)
 915                 return ret;
 916
 917         ptype = HFI_PROPERTY_PARAM_VENC_LTRMODE;
 918         ltr_mode.ltr_count = ctr->ltr_count;
 919         ltr_mode.ltr_mode = HFI_LTR_MODE_MANUAL;
 920         ltr_mode.trust_mode = 1;
 921         ret = hfi_session_set_property(inst, ptype, &ltr_mode);
 922         if (ret)
 923                 return ret;
 924
 925         switch (inst->hfi_codec) {
 926         case HFI_VIDEO_CODEC_H264:
 927                 profile = ctr->profile.h264;
 928                 level = ctr->level.h264;
 929                 break;
 930         case HFI_VIDEO_CODEC_MPEG4:
 931                 profile = ctr->profile.mpeg4;
 932                 level = ctr->level.mpeg4;
 933                 break;
 934         case HFI_VIDEO_CODEC_VP8:
 935                 profile = ctr->profile.vp8;
 936                 level = 0;
 937                 break;
 938         case HFI_VIDEO_CODEC_VP9:
 939                 profile = ctr->profile.vp9;
 940                 level = ctr->level.vp9;
 941                 break;
 942         case HFI_VIDEO_CODEC_HEVC:
 943                 profile = ctr->profile.hevc;
 944                 level = ctr->level.hevc;
 945                 break;
 946         case HFI_VIDEO_CODEC_MPEG2:
 947         default:
 948                 profile = 0;
 949                 level = 0;
 950                 break;
 951         }
 952
 953         ret = venus_helper_set_profile_level(inst, profile, level);
 954         if (ret)
 955                 return ret;
 956
 957         if (inst->fmt_cap->pixfmt == V4L2_PIX_FMT_H264 ||
 958             inst->fmt_cap->pixfmt == V4L2_PIX_FMT_HEVC) {
 959                 struct hfi_enable en = {};
 960
 961                 ptype = HFI_PROPERTY_PARAM_VENC_H264_GENERATE_AUDNAL;
 962
 963                 if (ctr->aud_enable)
 964                         en.enable = 1;
 965
 966                 ret = hfi_session_set_property(inst, ptype, &en);
 967         }
 968
 969         if ((inst->fmt_cap->pixfmt == V4L2_PIX_FMT_H264 ||
 970              inst->fmt_cap->pixfmt == V4L2_PIX_FMT_HEVC) &&
 971             (rate_control == HFI_RATE_CONTROL_CBR_VFR ||
 972              rate_control == HFI_RATE_CONTROL_CBR_CFR)) {
 973                 intra_refresh.mode = HFI_INTRA_REFRESH_NONE;
 974                 intra_refresh.cir_mbs = 0;
 975
 976                 if (ctr->intra_refresh_period) {
 977                         u32 mbs;
 978
 979                         mbs = ALIGN(inst->width, 16) * ALIGN(inst->height, 16);
 980                         mbs /= 16 * 16;
 981                         if (mbs % ctr->intra_refresh_period)
 982                                 mbs++;
 983                         mbs /= ctr->intra_refresh_period;
 984
 985                         intra_refresh.cir_mbs = mbs;
 986                         if (ctr->intra_refresh_type ==
 987                             V4L2_CID_MPEG_VIDEO_INTRA_REFRESH_PERIOD_TYPE_CYCLIC)
 988                                 intra_refresh.mode = HFI_INTRA_REFRESH_CYCLIC;
 989                         else
 990                                 intra_refresh.mode = HFI_INTRA_REFRESH_RANDOM;
 991                 }
 992
 993                 ptype = HFI_PROPERTY_PARAM_VENC_INTRA_REFRESH;
 994
 995                 ret = hfi_session_set_property(inst, ptype, &intra_refresh);
 996                 if (ret)
 997                         return ret;
 998         }
 999
1000         return 0;
1001 }
1002
1003 static int venc_init_session(struct venus_inst *inst)
1004 {
1005         int ret;
1006
1007         ret = venus_helper_session_init(inst);
1008         if (ret == -EALREADY)
1009                 return 0;
1010         else if (ret)
1011                 return ret;
1012
1013         ret = venus_helper_set_stride(inst, inst->out_width,
1014                                       inst->out_height);
1015         if (ret)
1016                 goto deinit;
1017
1018         ret = venus_helper_set_input_resolution(inst, inst->width,
1019                                                 inst->height);
1020         if (ret)
1021                 goto deinit;
1022
1023         ret = venus_helper_set_output_resolution(inst, inst->width,
1024                                                  inst->height,
1025                                                  HFI_BUFFER_OUTPUT);
1026         if (ret)
1027                 goto deinit;
1028
1029         ret = venus_helper_set_color_format(inst, inst->fmt_out->pixfmt);
1030         if (ret)
1031                 goto deinit;
1032
1033         ret = venc_set_properties(inst);
1034         if (ret)
1035                 goto deinit;
1036
1037         return 0;
1038 deinit:
1039         hfi_session_deinit(inst);
1040         return ret;
1041 }
1042
1043 static int venc_out_num_buffers(struct venus_inst *inst, unsigned int *num)
1044 {
1045         struct hfi_buffer_requirements bufreq;
1046         int ret;
1047
1048         ret = venus_helper_get_bufreq(inst, HFI_BUFFER_INPUT, &bufreq);
1049         if (ret)
1050                 return ret;
1051
1052         *num = bufreq.count_actual;
1053
1054         return 0;
1055 }
1056
1057 static int venc_queue_setup(struct vb2_queue *q,
1058                             unsigned int *num_buffers, unsigned int *num_planes,
1059                             unsigned int sizes[], struct device *alloc_devs[])
1060 {
1061         struct venus_inst *inst = vb2_get_drv_priv(q);
1062         struct venus_core *core = inst->core;
1063         unsigned int num, min = 4;
1064         int ret;
1065
1066         if (*num_planes) {
1067                 if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE &&
1068                     *num_planes != inst->fmt_out->num_planes)
1069                         return -EINVAL;
1070
1071                 if (q->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE &&
1072                     *num_planes != inst->fmt_cap->num_planes)
1073                         return -EINVAL;
1074
1075                 if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE &&
1076                     sizes[0] < inst->input_buf_size)
1077                         return -EINVAL;
1078
1079                 if (q->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE &&
1080                     sizes[0] < inst->output_buf_size)
1081                         return -EINVAL;
1082
1083                 return 0;
1084         }
1085
1086         if (test_bit(0, &core->sys_error)) {
1087                 if (inst->nonblock)
1088                         return -EAGAIN;
1089
1090                 ret = wait_event_interruptible(core->sys_err_done,
1091                                                !test_bit(0, &core->sys_error));
1092                 if (ret)
1093                         return ret;
1094         }
1095
1096         ret = venc_pm_get(inst);
1097         if (ret)
1098                 return ret;
1099
1100         mutex_lock(&inst->lock);
1101         ret = venc_init_session(inst);
1102         mutex_unlock(&inst->lock);
1103
1104         if (ret)
1105                 goto put_power;
1106
1107         ret = venc_pm_put(inst, false);
1108         if (ret)
1109                 return ret;
1110
1111         switch (q->type) {
1112         case V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE:
1113                 *num_planes = inst->fmt_out->num_planes;
1114
1115                 ret = venc_out_num_buffers(inst, &num);
1116                 if (ret)
1117                         break;
1118
1119                 num = max(num, min);
1120                 *num_buffers = max(*num_buffers, num);
1121                 inst->num_input_bufs = *num_buffers;
1122
1123                 sizes[0] = venus_helper_get_framesz(inst->fmt_out->pixfmt,
1124                                                     inst->out_width,
1125                                                     inst->out_height);
1126                 inst->input_buf_size = sizes[0];
1127                 break;
1128         case V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE:
1129                 *num_planes = inst->fmt_cap->num_planes;
1130                 *num_buffers = max(*num_buffers, min);
1131                 inst->num_output_bufs = *num_buffers;
1132                 sizes[0] = venus_helper_get_framesz(inst->fmt_cap->pixfmt,
1133                                                     inst->width,
1134                                                     inst->height);
1135                 sizes[0] = max(sizes[0], inst->output_buf_size);
1136                 inst->output_buf_size = sizes[0];
1137                 break;
1138         default:
1139                 ret = -EINVAL;
1140                 break;
1141         }
1142
1143         return ret;
1144 put_power:
1145         venc_pm_put(inst, false);
1146         return ret;
1147 }
1148
1149 static int venc_buf_init(struct vb2_buffer *vb)
1150 {
1151         struct venus_inst *inst = vb2_get_drv_priv(vb->vb2_queue);
1152
1153         inst->buf_count++;
1154
1155         return venus_helper_vb2_buf_init(vb);
1156 }
1157
1158 static void venc_release_session(struct venus_inst *inst)
1159 {
1160         int ret;
1161
1162         venc_pm_get(inst);
1163
1164         mutex_lock(&inst->lock);
1165
1166         ret = hfi_session_deinit(inst);
1167         if (ret || inst->session_error)
1168                 hfi_session_abort(inst);
1169
1170         mutex_unlock(&inst->lock);
1171
1172         venus_pm_load_scale(inst);
1173         INIT_LIST_HEAD(&inst->registeredbufs);
1174         venus_pm_release_core(inst);
1175
1176         venc_pm_put(inst, false);
1177 }
1178
1179 static void venc_buf_cleanup(struct vb2_buffer *vb)
1180 {
1181         struct venus_inst *inst = vb2_get_drv_priv(vb->vb2_queue);
1182         struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
1183         struct venus_buffer *buf = to_venus_buffer(vbuf);
1184
1185         mutex_lock(&inst->lock);
1186         if (vb->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE)
1187                 if (!list_empty(&inst->registeredbufs))
1188                         list_del_init(&buf->reg_list);
1189         mutex_unlock(&inst->lock);
1190
1191         inst->buf_count--;
1192         if (!inst->buf_count)
1193                 venc_release_session(inst);
1194 }
1195
1196 static int venc_verify_conf(struct venus_inst *inst)
1197 {
1198         enum hfi_version ver = inst->core->res->hfi_version;
1199         struct hfi_buffer_requirements bufreq;
1200         int ret;
1201
1202         if (!inst->num_input_bufs || !inst->num_output_bufs)
1203                 return -EINVAL;
1204
1205         ret = venus_helper_get_bufreq(inst, HFI_BUFFER_OUTPUT, &bufreq);
1206         if (ret)
1207                 return ret;
1208
1209         if (inst->num_output_bufs < bufreq.count_actual ||
1210             inst->num_output_bufs < hfi_bufreq_get_count_min(&bufreq, ver))
1211                 return -EINVAL;
1212
1213         ret = venus_helper_get_bufreq(inst, HFI_BUFFER_INPUT, &bufreq);
1214         if (ret)
1215                 return ret;
1216
1217         if (inst->num_input_bufs < bufreq.count_actual ||
1218             inst->num_input_bufs < hfi_bufreq_get_count_min(&bufreq, ver))
1219                 return -EINVAL;
1220
1221         return 0;
1222 }
1223
1224 static int venc_start_streaming(struct vb2_queue *q, unsigned int count)
1225 {
1226         struct venus_inst *inst = vb2_get_drv_priv(q);
1227         int ret;
1228
1229         mutex_lock(&inst->lock);
1230
1231         if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
1232                 inst->streamon_out = 1;
1233         else
1234                 inst->streamon_cap = 1;
1235
1236         if (!(inst->streamon_out & inst->streamon_cap)) {
1237                 mutex_unlock(&inst->lock);
1238                 return 0;
1239         }
1240
1241         venus_helper_init_instance(inst);
1242
1243         inst->sequence_cap = 0;
1244         inst->sequence_out = 0;
1245
1246         ret = venc_pm_get(inst);
1247         if (ret)
1248                 goto error;
1249
1250         ret = venus_pm_acquire_core(inst);
1251         if (ret)
1252                 goto put_power;
1253
1254         ret = venc_pm_put(inst, true);
1255         if (ret)
1256                 goto error;
1257
1258         ret = venc_set_properties(inst);
1259         if (ret)
1260                 goto error;
1261
1262         ret = venc_verify_conf(inst);
1263         if (ret)
1264                 goto error;
1265
1266         ret = venus_helper_set_num_bufs(inst, inst->num_input_bufs,
1267                                         inst->num_output_bufs, 0);
1268         if (ret)
1269                 goto error;
1270
1271         ret = venus_helper_vb2_start_streaming(inst);
1272         if (ret)
1273                 goto error;
1274
1275         inst->enc_state = VENUS_ENC_STATE_ENCODING;
1276
1277         mutex_unlock(&inst->lock);
1278
1279         return 0;
1280
1281 put_power:
1282         venc_pm_put(inst, false);
1283 error:
1284         venus_helper_buffers_done(inst, q->type, VB2_BUF_STATE_QUEUED);
1285         if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
1286                 inst->streamon_out = 0;
1287         else
1288                 inst->streamon_cap = 0;
1289         mutex_unlock(&inst->lock);
1290         return ret;
1291 }
1292
1293 static void venc_vb2_buf_queue(struct vb2_buffer *vb)
1294 {
1295         struct venus_inst *inst = vb2_get_drv_priv(vb->vb2_queue);
1296         struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
1297
1298         venc_pm_get_put(inst);
1299
1300         mutex_lock(&inst->lock);
1301
1302         if (inst->enc_state == VENUS_ENC_STATE_STOPPED) {
1303                 vbuf->sequence = inst->sequence_cap++;
1304                 vbuf->field = V4L2_FIELD_NONE;
1305                 vb2_set_plane_payload(vb, 0, 0);
1306                 v4l2_m2m_buf_done(vbuf, VB2_BUF_STATE_DONE);
1307                 mutex_unlock(&inst->lock);
1308                 return;
1309         }
1310
1311         venus_helper_vb2_buf_queue(vb);
1312         mutex_unlock(&inst->lock);
1313 }
1314
1315 static const struct vb2_ops venc_vb2_ops = {
1316         .queue_setup = venc_queue_setup,
1317         .buf_init = venc_buf_init,
1318         .buf_cleanup = venc_buf_cleanup,
1319         .buf_prepare = venus_helper_vb2_buf_prepare,
1320         .start_streaming = venc_start_streaming,
1321         .stop_streaming = venus_helper_vb2_stop_streaming,
1322         .buf_queue = venc_vb2_buf_queue,
1323 };
1324
1325 static void venc_buf_done(struct venus_inst *inst, unsigned int buf_type,
1326                           u32 tag, u32 bytesused, u32 data_offset, u32 flags,
1327                           u32 hfi_flags, u64 timestamp_us)
1328 {
1329         struct vb2_v4l2_buffer *vbuf;
1330         struct vb2_buffer *vb;
1331         unsigned int type;
1332
1333         venc_pm_touch(inst);
1334
1335         if (buf_type == HFI_BUFFER_INPUT)
1336                 type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE;
1337         else
1338                 type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE;
1339
1340         vbuf = venus_helper_find_buf(inst, type, tag);
1341         if (!vbuf)
1342                 return;
1343
1344         vbuf->flags = flags;
1345
1346         if (type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
1347                 vb = &vbuf->vb2_buf;
1348                 vb2_set_plane_payload(vb, 0, bytesused + data_offset);
1349                 vb->planes[0].data_offset = data_offset;
1350                 vb->timestamp = timestamp_us * NSEC_PER_USEC;
1351                 vbuf->sequence = inst->sequence_cap++;
1352                 if ((vbuf->flags & V4L2_BUF_FLAG_LAST) &&
1353                     inst->enc_state == VENUS_ENC_STATE_DRAIN) {
1354                         inst->enc_state = VENUS_ENC_STATE_STOPPED;
1355                 }
1356         } else {
1357                 vbuf->sequence = inst->sequence_out++;
1358         }
1359
1360         v4l2_m2m_buf_done(vbuf, VB2_BUF_STATE_DONE);
1361 }
1362
1363 static void venc_event_notify(struct venus_inst *inst, u32 event,
1364                               struct hfi_event_data *data)
1365 {
1366         struct device *dev = inst->core->dev_enc;
1367
1368         venc_pm_touch(inst);
1369
1370         if (event == EVT_SESSION_ERROR) {
1371                 inst->session_error = true;
1372                 venus_helper_vb2_queue_error(inst);
1373                 dev_err(dev, "enc: event session error %x\n", inst->error);
1374         }
1375 }
1376
1377 static const struct hfi_inst_ops venc_hfi_ops = {
1378         .buf_done = venc_buf_done,
1379         .event_notify = venc_event_notify,
1380 };
1381
1382 static const struct v4l2_m2m_ops venc_m2m_ops = {
1383         .device_run = venus_helper_m2m_device_run,
1384         .job_abort = venus_helper_m2m_job_abort,
1385 };
1386
1387 static int m2m_queue_init(void *priv, struct vb2_queue *src_vq,
1388                           struct vb2_queue *dst_vq)
1389 {
1390         struct venus_inst *inst = priv;
1391         int ret;
1392
1393         src_vq->type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE;
1394         src_vq->io_modes = VB2_MMAP | VB2_USERPTR | VB2_DMABUF;
1395         src_vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY;
1396         src_vq->ops = &venc_vb2_ops;
1397         src_vq->mem_ops = &vb2_dma_contig_memops;
1398         src_vq->drv_priv = inst;
1399         src_vq->buf_struct_size = sizeof(struct venus_buffer);
1400         src_vq->allow_zero_bytesused = 1;
1401         src_vq->min_buffers_needed = 1;
1402         src_vq->dev = inst->core->dev;
1403         src_vq->lock = &inst->ctx_q_lock;
1404         if (inst->core->res->hfi_version == HFI_VERSION_1XX)
1405                 src_vq->bidirectional = 1;
1406         ret = vb2_queue_init(src_vq);
1407         if (ret)
1408                 return ret;
1409
1410         dst_vq->type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE;
1411         dst_vq->io_modes = VB2_MMAP | VB2_USERPTR | VB2_DMABUF;
1412         dst_vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY;
1413         dst_vq->ops = &venc_vb2_ops;
1414         dst_vq->mem_ops = &vb2_dma_contig_memops;
1415         dst_vq->drv_priv = inst;
1416         dst_vq->buf_struct_size = sizeof(struct venus_buffer);
1417         dst_vq->allow_zero_bytesused = 1;
1418         dst_vq->min_buffers_needed = 1;
1419         dst_vq->dev = inst->core->dev;
1420         dst_vq->lock = &inst->ctx_q_lock;
1421         return vb2_queue_init(dst_vq);
1422 }
1423
1424 static void venc_inst_init(struct venus_inst *inst)
1425 {
1426         inst->fmt_cap = &venc_formats[VENUS_FMT_H264];
1427         inst->fmt_out = &venc_formats[VENUS_FMT_NV12];
1428         inst->width = 1280;
1429         inst->height = ALIGN(720, 32);
1430         inst->out_width = 1280;
1431         inst->out_height = 720;
1432         inst->fps = 15;
1433         inst->timeperframe.numerator = 1;
1434         inst->timeperframe.denominator = 15;
1435         inst->hfi_codec = HFI_VIDEO_CODEC_H264;
1436 }
1437
1438 static int venc_open(struct file *file)
1439 {
1440         struct venus_core *core = video_drvdata(file);
1441         struct venus_inst *inst;
1442         int ret;
1443
1444         inst = kzalloc(sizeof(*inst), GFP_KERNEL);
1445         if (!inst)
1446                 return -ENOMEM;
1447
1448         INIT_LIST_HEAD(&inst->dpbbufs);
1449         INIT_LIST_HEAD(&inst->registeredbufs);
1450         INIT_LIST_HEAD(&inst->internalbufs);
1451         INIT_LIST_HEAD(&inst->list);
1452         mutex_init(&inst->lock);
1453         mutex_init(&inst->ctx_q_lock);
1454
1455         inst->core = core;
1456         inst->session_type = VIDC_SESSION_TYPE_ENC;
1457         inst->clk_data.core_id = VIDC_CORE_ID_DEFAULT;
1458         inst->core_acquired = false;
1459         inst->nonblock = file->f_flags & O_NONBLOCK;
1460
1461         if (inst->enc_state == VENUS_ENC_STATE_DEINIT)
1462                 inst->enc_state = VENUS_ENC_STATE_INIT;
1463
1464         venus_helper_init_instance(inst);
1465
1466         ret = venc_ctrl_init(inst);
1467         if (ret)
1468                 goto err_free;
1469
1470         ret = hfi_session_create(inst, &venc_hfi_ops);
1471         if (ret)
1472                 goto err_ctrl_deinit;
1473
1474         venc_inst_init(inst);
1475
1476         /*
1477          * create m2m device for every instance, the m2m context scheduling
1478          * is made by firmware side so we do not need to care about.
1479          */
1480         inst->m2m_dev = v4l2_m2m_init(&venc_m2m_ops);
1481         if (IS_ERR(inst->m2m_dev)) {
1482                 ret = PTR_ERR(inst->m2m_dev);
1483                 goto err_session_destroy;
1484         }
1485
1486         inst->m2m_ctx = v4l2_m2m_ctx_init(inst->m2m_dev, inst, m2m_queue_init);
1487         if (IS_ERR(inst->m2m_ctx)) {
1488                 ret = PTR_ERR(inst->m2m_ctx);
1489                 goto err_m2m_release;
1490         }
1491
1492         v4l2_fh_init(&inst->fh, core->vdev_enc);
1493
1494         inst->fh.ctrl_handler = &inst->ctrl_handler;
1495         v4l2_fh_add(&inst->fh);
1496         inst->fh.m2m_ctx = inst->m2m_ctx;
1497         file->private_data = &inst->fh;
1498
1499         return 0;
1500
1501 err_m2m_release:
1502         v4l2_m2m_release(inst->m2m_dev);
1503 err_session_destroy:
1504         hfi_session_destroy(inst);
1505 err_ctrl_deinit:
1506         venc_ctrl_deinit(inst);
1507 err_free:
1508         kfree(inst);
1509         return ret;
1510 }
1511
1512 static int venc_close(struct file *file)
1513 {
1514         struct venus_inst *inst = to_inst(file);
1515
1516         venc_pm_get(inst);
1517
1518         v4l2_m2m_ctx_release(inst->m2m_ctx);
1519         v4l2_m2m_release(inst->m2m_dev);
1520         venc_ctrl_deinit(inst);
1521         hfi_session_destroy(inst);
1522         mutex_destroy(&inst->lock);
1523         mutex_destroy(&inst->ctx_q_lock);
1524         v4l2_fh_del(&inst->fh);
1525         v4l2_fh_exit(&inst->fh);
1526
1527         inst->enc_state = VENUS_ENC_STATE_DEINIT;
1528
1529         venc_pm_put(inst, false);
1530
1531         kfree(inst);
1532         return 0;
1533 }
1534
1535 static const struct v4l2_file_operations venc_fops = {
1536         .owner = THIS_MODULE,
1537         .open = venc_open,
1538         .release = venc_close,
1539         .unlocked_ioctl = video_ioctl2,
1540         .poll = v4l2_m2m_fop_poll,
1541         .mmap = v4l2_m2m_fop_mmap,
1542 };
1543
1544 static int venc_probe(struct platform_device *pdev)
1545 {
1546         struct device *dev = &pdev->dev;
1547         struct video_device *vdev;
1548         struct venus_core *core;
1549         int ret;
1550
1551         if (!dev->parent)
1552                 return -EPROBE_DEFER;
1553
1554         core = dev_get_drvdata(dev->parent);
1555         if (!core)
1556                 return -EPROBE_DEFER;
1557
1558         platform_set_drvdata(pdev, core);
1559
1560         if (core->pm_ops->venc_get) {
1561                 ret = core->pm_ops->venc_get(dev);
1562                 if (ret)
1563                         return ret;
1564         }
1565
1566         vdev = video_device_alloc();
1567         if (!vdev)
1568                 return -ENOMEM;
1569
1570         strscpy(vdev->name, "qcom-venus-encoder", sizeof(vdev->name));
1571         vdev->release = video_device_release;
1572         vdev->fops = &venc_fops;
1573         vdev->ioctl_ops = &venc_ioctl_ops;
1574         vdev->vfl_dir = VFL_DIR_M2M;
1575         vdev->v4l2_dev = &core->v4l2_dev;
1576         vdev->device_caps = V4L2_CAP_VIDEO_M2M_MPLANE | V4L2_CAP_STREAMING;
1577
1578         ret = video_register_device(vdev, VFL_TYPE_VIDEO, -1);
1579         if (ret)
1580                 goto err_vdev_release;
1581
1582         core->vdev_enc = vdev;
1583         core->dev_enc = dev;
1584
1585         video_set_drvdata(vdev, core);
1586         pm_runtime_set_autosuspend_delay(dev, 2000);
1587         pm_runtime_use_autosuspend(dev);
1588         pm_runtime_enable(dev);
1589
1590         return 0;
1591
1592 err_vdev_release:
1593         video_device_release(vdev);
1594         return ret;
1595 }
1596
1597 static void venc_remove(struct platform_device *pdev)
1598 {
1599         struct venus_core *core = dev_get_drvdata(pdev->dev.parent);
1600
1601         video_unregister_device(core->vdev_enc);
1602         pm_runtime_disable(core->dev_enc);
1603
1604         if (core->pm_ops->venc_put)
1605                 core->pm_ops->venc_put(core->dev_enc);
1606 }
1607
1608 static __maybe_unused int venc_runtime_suspend(struct device *dev)
1609 {
1610         struct venus_core *core = dev_get_drvdata(dev);
1611         const struct venus_pm_ops *pm_ops = core->pm_ops;
1612         int ret = 0;
1613
1614         if (pm_ops->venc_power)
1615                 ret = pm_ops->venc_power(dev, POWER_OFF);
1616
1617         return ret;
1618 }
1619
1620 static __maybe_unused int venc_runtime_resume(struct device *dev)
1621 {
1622         struct venus_core *core = dev_get_drvdata(dev);
1623         const struct venus_pm_ops *pm_ops = core->pm_ops;
1624         int ret = 0;
1625
1626         if (pm_ops->venc_power)
1627                 ret = pm_ops->venc_power(dev, POWER_ON);
1628
1629         return ret;
1630 }
1631
1632 static const struct dev_pm_ops venc_pm_ops = {
1633         SET_SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend,
1634                                 pm_runtime_force_resume)
1635         SET_RUNTIME_PM_OPS(venc_runtime_suspend, venc_runtime_resume, NULL)
1636 };
1637
1638 static const struct of_device_id venc_dt_match[] = {
1639         { .compatible = "venus-encoder" },
1640         { }
1641 };
1642 MODULE_DEVICE_TABLE(of, venc_dt_match);
1643
1644 static struct platform_driver qcom_venus_enc_driver = {
1645         .probe = venc_probe,
1646         .remove_new = venc_remove,
1647         .driver = {
1648                 .name = "qcom-venus-encoder",
1649                 .of_match_table = venc_dt_match,
1650                 .pm = &venc_pm_ops,
1651         },
1652 };
1653 module_platform_driver(qcom_venus_enc_driver);
1654
1655 MODULE_ALIAS("platform:qcom-venus-encoder");
1656 MODULE_DESCRIPTION("Qualcomm Venus video encoder driver");
1657 MODULE_LICENSE("GPL v2");