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-sg.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
  24 #define NUM_B_FRAMES_MAX        4
  25
  26 /*
  27  * Three resons to keep MPLANE formats (despite that the number of planes
  28  * currently is one):
  29  * - the MPLANE formats allow only one plane to be used
  30  * - the downstream driver use MPLANE formats too
  31  * - future firmware versions could add support for >1 planes
  32  */
  33 static const struct venus_format venc_formats[] = {
  34         {
  35                 .pixfmt = V4L2_PIX_FMT_NV12,
  36                 .num_planes = 1,
  37                 .type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE,
  38         }, {
  39                 .pixfmt = V4L2_PIX_FMT_MPEG4,
  40                 .num_planes = 1,
  41                 .type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE,
  42         }, {
  43                 .pixfmt = V4L2_PIX_FMT_H263,
  44                 .num_planes = 1,
  45                 .type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE,
  46         }, {
  47                 .pixfmt = V4L2_PIX_FMT_H264,
  48                 .num_planes = 1,
  49                 .type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE,
  50         }, {
  51                 .pixfmt = V4L2_PIX_FMT_VP8,
  52                 .num_planes = 1,
  53                 .type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE,
  54         }, {
  55                 .pixfmt = V4L2_PIX_FMT_HEVC,
  56                 .num_planes = 1,
  57                 .type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE,
  58         },
  59 };
  60
  61 static const struct venus_format *
  62 find_format(struct venus_inst *inst, u32 pixfmt, u32 type)
  63 {
  64         const struct venus_format *fmt = venc_formats;
  65         unsigned int size = ARRAY_SIZE(venc_formats);
  66         unsigned int i;
  67
  68         for (i = 0; i < size; i++) {
  69                 if (fmt[i].pixfmt == pixfmt)
  70                         break;
  71         }
  72
  73         if (i == size || fmt[i].type != type)
  74                 return NULL;
  75
  76         if (type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE &&
  77             !venus_helper_check_codec(inst, fmt[i].pixfmt))
  78                 return NULL;
  79
  80         return &fmt[i];
  81 }
  82
  83 static const struct venus_format *
  84 find_format_by_index(struct venus_inst *inst, unsigned int index, u32 type)
  85 {
  86         const struct venus_format *fmt = venc_formats;
  87         unsigned int size = ARRAY_SIZE(venc_formats);
  88         unsigned int i, k = 0;
  89
  90         if (index > size)
  91                 return NULL;
  92
  93         for (i = 0; i < size; i++) {
  94                 bool valid;
  95
  96                 if (fmt[i].type != type)
  97                         continue;
  98                 valid = type != V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE ||
  99                         venus_helper_check_codec(inst, fmt[i].pixfmt);
 100                 if (k == index && valid)
 101                         break;
 102                 if (valid)
 103                         k++;
 104         }
 105
 106         if (i == size)
 107                 return NULL;
 108
 109         return &fmt[i];
 110 }
 111
 112 static int venc_v4l2_to_hfi(int id, int value)
 113 {
 114         switch (id) {
 115         case V4L2_CID_MPEG_VIDEO_MPEG4_LEVEL:
 116                 switch (value) {
 117                 case V4L2_MPEG_VIDEO_MPEG4_LEVEL_0:
 118                 default:
 119                         return HFI_MPEG4_LEVEL_0;
 120                 case V4L2_MPEG_VIDEO_MPEG4_LEVEL_0B:
 121                         return HFI_MPEG4_LEVEL_0b;
 122                 case V4L2_MPEG_VIDEO_MPEG4_LEVEL_1:
 123                         return HFI_MPEG4_LEVEL_1;
 124                 case V4L2_MPEG_VIDEO_MPEG4_LEVEL_2:
 125                         return HFI_MPEG4_LEVEL_2;
 126                 case V4L2_MPEG_VIDEO_MPEG4_LEVEL_3:
 127                         return HFI_MPEG4_LEVEL_3;
 128                 case V4L2_MPEG_VIDEO_MPEG4_LEVEL_4:
 129                         return HFI_MPEG4_LEVEL_4;
 130                 case V4L2_MPEG_VIDEO_MPEG4_LEVEL_5:
 131                         return HFI_MPEG4_LEVEL_5;
 132                 }
 133         case V4L2_CID_MPEG_VIDEO_MPEG4_PROFILE:
 134                 switch (value) {
 135                 case V4L2_MPEG_VIDEO_MPEG4_PROFILE_SIMPLE:
 136                 default:
 137                         return HFI_MPEG4_PROFILE_SIMPLE;
 138                 case V4L2_MPEG_VIDEO_MPEG4_PROFILE_ADVANCED_SIMPLE:
 139                         return HFI_MPEG4_PROFILE_ADVANCEDSIMPLE;
 140                 }
 141         case V4L2_CID_MPEG_VIDEO_H264_PROFILE:
 142                 switch (value) {
 143                 case V4L2_MPEG_VIDEO_H264_PROFILE_BASELINE:
 144                         return HFI_H264_PROFILE_BASELINE;
 145                 case V4L2_MPEG_VIDEO_H264_PROFILE_CONSTRAINED_BASELINE:
 146                         return HFI_H264_PROFILE_CONSTRAINED_BASE;
 147                 case V4L2_MPEG_VIDEO_H264_PROFILE_MAIN:
 148                         return HFI_H264_PROFILE_MAIN;
 149                 case V4L2_MPEG_VIDEO_H264_PROFILE_HIGH:
 150                 default:
 151                         return HFI_H264_PROFILE_HIGH;
 152                 }
 153         case V4L2_CID_MPEG_VIDEO_H264_LEVEL:
 154                 switch (value) {
 155                 case V4L2_MPEG_VIDEO_H264_LEVEL_1_0:
 156                         return HFI_H264_LEVEL_1;
 157                 case V4L2_MPEG_VIDEO_H264_LEVEL_1B:
 158                         return HFI_H264_LEVEL_1b;
 159                 case V4L2_MPEG_VIDEO_H264_LEVEL_1_1:
 160                         return HFI_H264_LEVEL_11;
 161                 case V4L2_MPEG_VIDEO_H264_LEVEL_1_2:
 162                         return HFI_H264_LEVEL_12;
 163                 case V4L2_MPEG_VIDEO_H264_LEVEL_1_3:
 164                         return HFI_H264_LEVEL_13;
 165                 case V4L2_MPEG_VIDEO_H264_LEVEL_2_0:
 166                         return HFI_H264_LEVEL_2;
 167                 case V4L2_MPEG_VIDEO_H264_LEVEL_2_1:
 168                         return HFI_H264_LEVEL_21;
 169                 case V4L2_MPEG_VIDEO_H264_LEVEL_2_2:
 170                         return HFI_H264_LEVEL_22;
 171                 case V4L2_MPEG_VIDEO_H264_LEVEL_3_0:
 172                         return HFI_H264_LEVEL_3;
 173                 case V4L2_MPEG_VIDEO_H264_LEVEL_3_1:
 174                         return HFI_H264_LEVEL_31;
 175                 case V4L2_MPEG_VIDEO_H264_LEVEL_3_2:
 176                         return HFI_H264_LEVEL_32;
 177                 case V4L2_MPEG_VIDEO_H264_LEVEL_4_0:
 178                         return HFI_H264_LEVEL_4;
 179                 case V4L2_MPEG_VIDEO_H264_LEVEL_4_1:
 180                         return HFI_H264_LEVEL_41;
 181                 case V4L2_MPEG_VIDEO_H264_LEVEL_4_2:
 182                         return HFI_H264_LEVEL_42;
 183                 case V4L2_MPEG_VIDEO_H264_LEVEL_5_0:
 184                 default:
 185                         return HFI_H264_LEVEL_5;
 186                 case V4L2_MPEG_VIDEO_H264_LEVEL_5_1:
 187                         return HFI_H264_LEVEL_51;
 188                 }
 189         case V4L2_CID_MPEG_VIDEO_H264_ENTROPY_MODE:
 190                 switch (value) {
 191                 case V4L2_MPEG_VIDEO_H264_ENTROPY_MODE_CAVLC:
 192                 default:
 193                         return HFI_H264_ENTROPY_CAVLC;
 194                 case V4L2_MPEG_VIDEO_H264_ENTROPY_MODE_CABAC:
 195                         return HFI_H264_ENTROPY_CABAC;
 196                 }
 197         case V4L2_CID_MPEG_VIDEO_VP8_PROFILE:
 198                 switch (value) {
 199                 case 0:
 200                 default:
 201                         return HFI_VPX_PROFILE_VERSION_0;
 202                 case 1:
 203                         return HFI_VPX_PROFILE_VERSION_1;
 204                 case 2:
 205                         return HFI_VPX_PROFILE_VERSION_2;
 206                 case 3:
 207                         return HFI_VPX_PROFILE_VERSION_3;
 208                 }
 209         case V4L2_CID_MPEG_VIDEO_H264_LOOP_FILTER_MODE:
 210                 switch (value) {
 211                 case V4L2_MPEG_VIDEO_H264_LOOP_FILTER_MODE_ENABLED:
 212                 default:
 213                         return HFI_H264_DB_MODE_ALL_BOUNDARY;
 214                 case V4L2_MPEG_VIDEO_H264_LOOP_FILTER_MODE_DISABLED:
 215                         return HFI_H264_DB_MODE_DISABLE;
 216                 case V4L2_MPEG_VIDEO_H264_LOOP_FILTER_MODE_DISABLED_AT_SLICE_BOUNDARY:
 217                         return HFI_H264_DB_MODE_SKIP_SLICE_BOUNDARY;
 218                 }
 219         case V4L2_CID_MPEG_VIDEO_HEVC_PROFILE:
 220                 switch (value) {
 221                 case V4L2_MPEG_VIDEO_HEVC_PROFILE_MAIN:
 222                 default:
 223                         return HFI_HEVC_PROFILE_MAIN;
 224                 case V4L2_MPEG_VIDEO_HEVC_PROFILE_MAIN_STILL_PICTURE:
 225                         return HFI_HEVC_PROFILE_MAIN_STILL_PIC;
 226                 case V4L2_MPEG_VIDEO_HEVC_PROFILE_MAIN_10:
 227                         return HFI_HEVC_PROFILE_MAIN10;
 228                 }
 229         case V4L2_CID_MPEG_VIDEO_HEVC_LEVEL:
 230                 switch (value) {
 231                 case V4L2_MPEG_VIDEO_HEVC_LEVEL_1:
 232                 default:
 233                         return HFI_HEVC_LEVEL_1;
 234                 case V4L2_MPEG_VIDEO_HEVC_LEVEL_2:
 235                         return HFI_HEVC_LEVEL_2;
 236                 case V4L2_MPEG_VIDEO_HEVC_LEVEL_2_1:
 237                         return HFI_HEVC_LEVEL_21;
 238                 case V4L2_MPEG_VIDEO_HEVC_LEVEL_3:
 239                         return HFI_HEVC_LEVEL_3;
 240                 case V4L2_MPEG_VIDEO_HEVC_LEVEL_3_1:
 241                         return HFI_HEVC_LEVEL_31;
 242                 case V4L2_MPEG_VIDEO_HEVC_LEVEL_4:
 243                         return HFI_HEVC_LEVEL_4;
 244                 case V4L2_MPEG_VIDEO_HEVC_LEVEL_4_1:
 245                         return HFI_HEVC_LEVEL_41;
 246                 case V4L2_MPEG_VIDEO_HEVC_LEVEL_5:
 247                         return HFI_HEVC_LEVEL_5;
 248                 case V4L2_MPEG_VIDEO_HEVC_LEVEL_5_1:
 249                         return HFI_HEVC_LEVEL_51;
 250                 case V4L2_MPEG_VIDEO_HEVC_LEVEL_5_2:
 251                         return HFI_HEVC_LEVEL_52;
 252                 case V4L2_MPEG_VIDEO_HEVC_LEVEL_6:
 253                         return HFI_HEVC_LEVEL_6;
 254                 case V4L2_MPEG_VIDEO_HEVC_LEVEL_6_1:
 255                         return HFI_HEVC_LEVEL_61;
 256                 case V4L2_MPEG_VIDEO_HEVC_LEVEL_6_2:
 257                         return HFI_HEVC_LEVEL_62;
 258                 }
 259         }
 260
 261         return 0;
 262 }
 263
 264 static int
 265 venc_querycap(struct file *file, void *fh, struct v4l2_capability *cap)
 266 {
 267         strscpy(cap->driver, "qcom-venus", sizeof(cap->driver));
 268         strscpy(cap->card, "Qualcomm Venus video encoder", sizeof(cap->card));
 269         strscpy(cap->bus_info, "platform:qcom-venus", sizeof(cap->bus_info));
 270
 271         return 0;
 272 }
 273
 274 static int venc_enum_fmt(struct file *file, void *fh, struct v4l2_fmtdesc *f)
 275 {
 276         struct venus_inst *inst = to_inst(file);
 277         const struct venus_format *fmt;
 278
 279         fmt = find_format_by_index(inst, f->index, f->type);
 280
 281         memset(f->reserved, 0, sizeof(f->reserved));
 282
 283         if (!fmt)
 284                 return -EINVAL;
 285
 286         f->pixelformat = fmt->pixfmt;
 287
 288         return 0;
 289 }
 290
 291 static const struct venus_format *
 292 venc_try_fmt_common(struct venus_inst *inst, struct v4l2_format *f)
 293 {
 294         struct v4l2_pix_format_mplane *pixmp = &f->fmt.pix_mp;
 295         struct v4l2_plane_pix_format *pfmt = pixmp->plane_fmt;
 296         const struct venus_format *fmt;
 297
 298         memset(pfmt[0].reserved, 0, sizeof(pfmt[0].reserved));
 299         memset(pixmp->reserved, 0, sizeof(pixmp->reserved));
 300
 301         fmt = find_format(inst, pixmp->pixelformat, f->type);
 302         if (!fmt) {
 303                 if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE)
 304                         pixmp->pixelformat = V4L2_PIX_FMT_H264;
 305                 else if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
 306                         pixmp->pixelformat = V4L2_PIX_FMT_NV12;
 307                 else
 308                         return NULL;
 309                 fmt = find_format(inst, pixmp->pixelformat, f->type);
 310         }
 311
 312         pixmp->width = clamp(pixmp->width, frame_width_min(inst),
 313                              frame_width_max(inst));
 314         pixmp->height = clamp(pixmp->height, frame_height_min(inst),
 315                               frame_height_max(inst));
 316
 317         if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
 318                 pixmp->height = ALIGN(pixmp->height, 32);
 319
 320         pixmp->width = ALIGN(pixmp->width, 2);
 321         pixmp->height = ALIGN(pixmp->height, 2);
 322
 323         if (pixmp->field == V4L2_FIELD_ANY)
 324                 pixmp->field = V4L2_FIELD_NONE;
 325         pixmp->num_planes = fmt->num_planes;
 326         pixmp->flags = 0;
 327
 328         pfmt[0].sizeimage = venus_helper_get_framesz(pixmp->pixelformat,
 329                                                      pixmp->width,
 330                                                      pixmp->height);
 331
 332         if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
 333                 pfmt[0].bytesperline = ALIGN(pixmp->width, 128);
 334         else
 335                 pfmt[0].bytesperline = 0;
 336
 337         return fmt;
 338 }
 339
 340 static int venc_try_fmt(struct file *file, void *fh, struct v4l2_format *f)
 341 {
 342         struct venus_inst *inst = to_inst(file);
 343
 344         venc_try_fmt_common(inst, f);
 345
 346         return 0;
 347 }
 348
 349 static int venc_s_fmt(struct file *file, void *fh, struct v4l2_format *f)
 350 {
 351         struct venus_inst *inst = to_inst(file);
 352         struct v4l2_pix_format_mplane *pixmp = &f->fmt.pix_mp;
 353         struct v4l2_pix_format_mplane orig_pixmp;
 354         const struct venus_format *fmt;
 355         struct v4l2_format format;
 356         u32 pixfmt_out = 0, pixfmt_cap = 0;
 357
 358         orig_pixmp = *pixmp;
 359
 360         fmt = venc_try_fmt_common(inst, f);
 361         if (!fmt)
 362                 return -EINVAL;
 363
 364         if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
 365                 pixfmt_out = pixmp->pixelformat;
 366                 pixfmt_cap = inst->fmt_cap->pixfmt;
 367         } else if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
 368                 pixfmt_cap = pixmp->pixelformat;
 369                 pixfmt_out = inst->fmt_out->pixfmt;
 370         }
 371
 372         memset(&format, 0, sizeof(format));
 373
 374         format.type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE;
 375         format.fmt.pix_mp.pixelformat = pixfmt_out;
 376         format.fmt.pix_mp.width = orig_pixmp.width;
 377         format.fmt.pix_mp.height = orig_pixmp.height;
 378         venc_try_fmt_common(inst, &format);
 379
 380         if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
 381                 inst->out_width = format.fmt.pix_mp.width;
 382                 inst->out_height = format.fmt.pix_mp.height;
 383                 inst->colorspace = pixmp->colorspace;
 384                 inst->ycbcr_enc = pixmp->ycbcr_enc;
 385                 inst->quantization = pixmp->quantization;
 386                 inst->xfer_func = pixmp->xfer_func;
 387         }
 388
 389         memset(&format, 0, sizeof(format));
 390
 391         format.type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE;
 392         format.fmt.pix_mp.pixelformat = pixfmt_cap;
 393         format.fmt.pix_mp.width = orig_pixmp.width;
 394         format.fmt.pix_mp.height = orig_pixmp.height;
 395         venc_try_fmt_common(inst, &format);
 396
 397         inst->width = format.fmt.pix_mp.width;
 398         inst->height = format.fmt.pix_mp.height;
 399
 400         if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
 401                 inst->fmt_out = fmt;
 402         else if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE)
 403                 inst->fmt_cap = fmt;
 404
 405         return 0;
 406 }
 407
 408 static int venc_g_fmt(struct file *file, void *fh, struct v4l2_format *f)
 409 {
 410         struct v4l2_pix_format_mplane *pixmp = &f->fmt.pix_mp;
 411         struct venus_inst *inst = to_inst(file);
 412         const struct venus_format *fmt;
 413
 414         if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE)
 415                 fmt = inst->fmt_cap;
 416         else if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
 417                 fmt = inst->fmt_out;
 418         else
 419                 return -EINVAL;
 420
 421         pixmp->pixelformat = fmt->pixfmt;
 422
 423         if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
 424                 pixmp->width = inst->width;
 425                 pixmp->height = inst->height;
 426                 pixmp->colorspace = inst->colorspace;
 427                 pixmp->ycbcr_enc = inst->ycbcr_enc;
 428                 pixmp->quantization = inst->quantization;
 429                 pixmp->xfer_func = inst->xfer_func;
 430         } else if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
 431                 pixmp->width = inst->out_width;
 432                 pixmp->height = inst->out_height;
 433         }
 434
 435         venc_try_fmt_common(inst, f);
 436
 437         return 0;
 438 }
 439
 440 static int
 441 venc_g_selection(struct file *file, void *fh, struct v4l2_selection *s)
 442 {
 443         struct venus_inst *inst = to_inst(file);
 444
 445         if (s->type != V4L2_BUF_TYPE_VIDEO_OUTPUT)
 446                 return -EINVAL;
 447
 448         switch (s->target) {
 449         case V4L2_SEL_TGT_CROP_DEFAULT:
 450         case V4L2_SEL_TGT_CROP_BOUNDS:
 451                 s->r.width = inst->width;
 452                 s->r.height = inst->height;
 453                 break;
 454         case V4L2_SEL_TGT_CROP:
 455                 s->r.width = inst->out_width;
 456                 s->r.height = inst->out_height;
 457                 break;
 458         default:
 459                 return -EINVAL;
 460         }
 461
 462         s->r.top = 0;
 463         s->r.left = 0;
 464
 465         return 0;
 466 }
 467
 468 static int
 469 venc_s_selection(struct file *file, void *fh, struct v4l2_selection *s)
 470 {
 471         struct venus_inst *inst = to_inst(file);
 472
 473         if (s->type != V4L2_BUF_TYPE_VIDEO_OUTPUT)
 474                 return -EINVAL;
 475
 476         switch (s->target) {
 477         case V4L2_SEL_TGT_CROP:
 478                 if (s->r.width != inst->out_width ||
 479                     s->r.height != inst->out_height ||
 480                     s->r.top != 0 || s->r.left != 0)
 481                         return -EINVAL;
 482                 break;
 483         default:
 484                 return -EINVAL;
 485         }
 486
 487         return 0;
 488 }
 489
 490 static int venc_s_parm(struct file *file, void *fh, struct v4l2_streamparm *a)
 491 {
 492         struct venus_inst *inst = to_inst(file);
 493         struct v4l2_outputparm *out = &a->parm.output;
 494         struct v4l2_fract *timeperframe = &out->timeperframe;
 495         u64 us_per_frame, fps;
 496
 497         if (a->type != V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE &&
 498             a->type != V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
 499                 return -EINVAL;
 500
 501         memset(out->reserved, 0, sizeof(out->reserved));
 502
 503         if (!timeperframe->denominator)
 504                 timeperframe->denominator = inst->timeperframe.denominator;
 505         if (!timeperframe->numerator)
 506                 timeperframe->numerator = inst->timeperframe.numerator;
 507
 508         out->capability = V4L2_CAP_TIMEPERFRAME;
 509
 510         us_per_frame = timeperframe->numerator * (u64)USEC_PER_SEC;
 511         do_div(us_per_frame, timeperframe->denominator);
 512
 513         if (!us_per_frame)
 514                 return -EINVAL;
 515
 516         fps = (u64)USEC_PER_SEC;
 517         do_div(fps, us_per_frame);
 518
 519         inst->timeperframe = *timeperframe;
 520         inst->fps = fps;
 521
 522         return 0;
 523 }
 524
 525 static int venc_g_parm(struct file *file, void *fh, struct v4l2_streamparm *a)
 526 {
 527         struct venus_inst *inst = to_inst(file);
 528
 529         if (a->type != V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE &&
 530             a->type != V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
 531                 return -EINVAL;
 532
 533         a->parm.output.capability |= V4L2_CAP_TIMEPERFRAME;
 534         a->parm.output.timeperframe = inst->timeperframe;
 535
 536         return 0;
 537 }
 538
 539 static int venc_enum_framesizes(struct file *file, void *fh,
 540                                 struct v4l2_frmsizeenum *fsize)
 541 {
 542         struct venus_inst *inst = to_inst(file);
 543         const struct venus_format *fmt;
 544
 545         fsize->type = V4L2_FRMSIZE_TYPE_STEPWISE;
 546
 547         fmt = find_format(inst, fsize->pixel_format,
 548                           V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE);
 549         if (!fmt) {
 550                 fmt = find_format(inst, fsize->pixel_format,
 551                                   V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE);
 552                 if (!fmt)
 553                         return -EINVAL;
 554         }
 555
 556         if (fsize->index)
 557                 return -EINVAL;
 558
 559         fsize->stepwise.min_width = frame_width_min(inst);
 560         fsize->stepwise.max_width = frame_width_max(inst);
 561         fsize->stepwise.step_width = frame_width_step(inst);
 562         fsize->stepwise.min_height = frame_height_min(inst);
 563         fsize->stepwise.max_height = frame_height_max(inst);
 564         fsize->stepwise.step_height = frame_height_step(inst);
 565
 566         return 0;
 567 }
 568
 569 static int venc_enum_frameintervals(struct file *file, void *fh,
 570                                     struct v4l2_frmivalenum *fival)
 571 {
 572         struct venus_inst *inst = to_inst(file);
 573         const struct venus_format *fmt;
 574
 575         fival->type = V4L2_FRMIVAL_TYPE_STEPWISE;
 576
 577         fmt = find_format(inst, fival->pixel_format,
 578                           V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE);
 579         if (!fmt) {
 580                 fmt = find_format(inst, fival->pixel_format,
 581                                   V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE);
 582                 if (!fmt)
 583                         return -EINVAL;
 584         }
 585
 586         if (fival->index)
 587                 return -EINVAL;
 588
 589         if (!fival->width || !fival->height)
 590                 return -EINVAL;
 591
 592         if (fival->width > frame_width_max(inst) ||
 593             fival->width < frame_width_min(inst) ||
 594             fival->height > frame_height_max(inst) ||
 595             fival->height < frame_height_min(inst))
 596                 return -EINVAL;
 597
 598         fival->stepwise.min.numerator = 1;
 599         fival->stepwise.min.denominator = frate_max(inst);
 600         fival->stepwise.max.numerator = 1;
 601         fival->stepwise.max.denominator = frate_min(inst);
 602         fival->stepwise.step.numerator = 1;
 603         fival->stepwise.step.denominator = frate_max(inst);
 604
 605         return 0;
 606 }
 607
 608 static const struct v4l2_ioctl_ops venc_ioctl_ops = {
 609         .vidioc_querycap = venc_querycap,
 610         .vidioc_enum_fmt_vid_cap = venc_enum_fmt,
 611         .vidioc_enum_fmt_vid_out = venc_enum_fmt,
 612         .vidioc_s_fmt_vid_cap_mplane = venc_s_fmt,
 613         .vidioc_s_fmt_vid_out_mplane = venc_s_fmt,
 614         .vidioc_g_fmt_vid_cap_mplane = venc_g_fmt,
 615         .vidioc_g_fmt_vid_out_mplane = venc_g_fmt,
 616         .vidioc_try_fmt_vid_cap_mplane = venc_try_fmt,
 617         .vidioc_try_fmt_vid_out_mplane = venc_try_fmt,
 618         .vidioc_g_selection = venc_g_selection,
 619         .vidioc_s_selection = venc_s_selection,
 620         .vidioc_reqbufs = v4l2_m2m_ioctl_reqbufs,
 621         .vidioc_querybuf = v4l2_m2m_ioctl_querybuf,
 622         .vidioc_create_bufs = v4l2_m2m_ioctl_create_bufs,
 623         .vidioc_prepare_buf = v4l2_m2m_ioctl_prepare_buf,
 624         .vidioc_qbuf = v4l2_m2m_ioctl_qbuf,
 625         .vidioc_expbuf = v4l2_m2m_ioctl_expbuf,
 626         .vidioc_dqbuf = v4l2_m2m_ioctl_dqbuf,
 627         .vidioc_streamon = v4l2_m2m_ioctl_streamon,
 628         .vidioc_streamoff = v4l2_m2m_ioctl_streamoff,
 629         .vidioc_s_parm = venc_s_parm,
 630         .vidioc_g_parm = venc_g_parm,
 631         .vidioc_enum_framesizes = venc_enum_framesizes,
 632         .vidioc_enum_frameintervals = venc_enum_frameintervals,
 633         .vidioc_subscribe_event = v4l2_ctrl_subscribe_event,
 634         .vidioc_unsubscribe_event = v4l2_event_unsubscribe,
 635 };
 636
 637 static int venc_set_properties(struct venus_inst *inst)
 638 {
 639         struct venc_controls *ctr = &inst->controls.enc;
 640         struct hfi_intra_period intra_period;
 641         struct hfi_profile_level pl;
 642         struct hfi_framerate frate;
 643         struct hfi_bitrate brate;
 644         struct hfi_idr_period idrp;
 645         struct hfi_quantization quant;
 646         struct hfi_quantization_range quant_range;
 647         u32 ptype, rate_control, bitrate, profile = 0, level = 0;
 648         int ret;
 649
 650         ret = venus_helper_set_work_mode(inst, VIDC_WORK_MODE_2);
 651         if (ret)
 652                 return ret;
 653
 654         ret = venus_helper_set_core_usage(inst, VIDC_CORE_ID_2);
 655         if (ret)
 656                 return ret;
 657
 658         ptype = HFI_PROPERTY_CONFIG_FRAME_RATE;
 659         frate.buffer_type = HFI_BUFFER_OUTPUT;
 660         frate.framerate = inst->fps * (1 << 16);
 661
 662         ret = hfi_session_set_property(inst, ptype, &frate);
 663         if (ret)
 664                 return ret;
 665
 666         if (inst->fmt_cap->pixfmt == V4L2_PIX_FMT_H264) {
 667                 struct hfi_h264_vui_timing_info info;
 668                 struct hfi_h264_entropy_control entropy;
 669                 struct hfi_h264_db_control deblock;
 670
 671                 ptype = HFI_PROPERTY_PARAM_VENC_H264_VUI_TIMING_INFO;
 672                 info.enable = 1;
 673                 info.fixed_framerate = 1;
 674                 info.time_scale = NSEC_PER_SEC;
 675
 676                 ret = hfi_session_set_property(inst, ptype, &info);
 677                 if (ret)
 678                         return ret;
 679
 680                 ptype = HFI_PROPERTY_PARAM_VENC_H264_ENTROPY_CONTROL;
 681                 entropy.entropy_mode = venc_v4l2_to_hfi(
 682                                           V4L2_CID_MPEG_VIDEO_H264_ENTROPY_MODE,
 683                                           ctr->h264_entropy_mode);
 684                 entropy.cabac_model = HFI_H264_CABAC_MODEL_0;
 685
 686                 ret = hfi_session_set_property(inst, ptype, &entropy);
 687                 if (ret)
 688                         return ret;
 689
 690                 ptype = HFI_PROPERTY_PARAM_VENC_H264_DEBLOCK_CONTROL;
 691                 deblock.mode = venc_v4l2_to_hfi(
 692                                       V4L2_CID_MPEG_VIDEO_H264_LOOP_FILTER_MODE,
 693                                       ctr->h264_loop_filter_mode);
 694                 deblock.slice_alpha_offset = ctr->h264_loop_filter_alpha;
 695                 deblock.slice_beta_offset = ctr->h264_loop_filter_beta;
 696
 697                 ret = hfi_session_set_property(inst, ptype, &deblock);
 698                 if (ret)
 699                         return ret;
 700         }
 701
 702         /* IDR periodicity, n:
 703          * n = 0 - only the first I-frame is IDR frame
 704          * n = 1 - all I-frames will be IDR frames
 705          * n > 1 - every n-th I-frame will be IDR frame
 706          */
 707         ptype = HFI_PROPERTY_CONFIG_VENC_IDR_PERIOD;
 708         idrp.idr_period = 0;
 709         ret = hfi_session_set_property(inst, ptype, &idrp);
 710         if (ret)
 711                 return ret;
 712
 713         if (ctr->num_b_frames) {
 714                 u32 max_num_b_frames = NUM_B_FRAMES_MAX;
 715
 716                 ptype = HFI_PROPERTY_PARAM_VENC_MAX_NUM_B_FRAMES;
 717                 ret = hfi_session_set_property(inst, ptype, &max_num_b_frames);
 718                 if (ret)
 719                         return ret;
 720         }
 721
 722         ptype = HFI_PROPERTY_CONFIG_VENC_INTRA_PERIOD;
 723         intra_period.pframes = ctr->num_p_frames;
 724         intra_period.bframes = ctr->num_b_frames;
 725
 726         ret = hfi_session_set_property(inst, ptype, &intra_period);
 727         if (ret)
 728                 return ret;
 729
 730         if (ctr->bitrate_mode == V4L2_MPEG_VIDEO_BITRATE_MODE_VBR)
 731                 rate_control = HFI_RATE_CONTROL_VBR_CFR;
 732         else
 733                 rate_control = HFI_RATE_CONTROL_CBR_CFR;
 734
 735         ptype = HFI_PROPERTY_PARAM_VENC_RATE_CONTROL;
 736         ret = hfi_session_set_property(inst, ptype, &rate_control);
 737         if (ret)
 738                 return ret;
 739
 740         if (!ctr->bitrate)
 741                 bitrate = 64000;
 742         else
 743                 bitrate = ctr->bitrate;
 744
 745         ptype = HFI_PROPERTY_CONFIG_VENC_TARGET_BITRATE;
 746         brate.bitrate = bitrate;
 747         brate.layer_id = 0;
 748
 749         ret = hfi_session_set_property(inst, ptype, &brate);
 750         if (ret)
 751                 return ret;
 752
 753         if (!ctr->bitrate_peak)
 754                 bitrate *= 2;
 755         else
 756                 bitrate = ctr->bitrate_peak;
 757
 758         ptype = HFI_PROPERTY_CONFIG_VENC_MAX_BITRATE;
 759         brate.bitrate = bitrate;
 760         brate.layer_id = 0;
 761
 762         ret = hfi_session_set_property(inst, ptype, &brate);
 763         if (ret)
 764                 return ret;
 765
 766         ptype = HFI_PROPERTY_PARAM_VENC_SESSION_QP;
 767         quant.qp_i = ctr->h264_i_qp;
 768         quant.qp_p = ctr->h264_p_qp;
 769         quant.qp_b = ctr->h264_b_qp;
 770         quant.layer_id = 0;
 771         ret = hfi_session_set_property(inst, ptype, &quant);
 772         if (ret)
 773                 return ret;
 774
 775         ptype = HFI_PROPERTY_PARAM_VENC_SESSION_QP_RANGE;
 776         quant_range.min_qp = ctr->h264_min_qp;
 777         quant_range.max_qp = ctr->h264_max_qp;
 778         quant_range.layer_id = 0;
 779         ret = hfi_session_set_property(inst, ptype, &quant_range);
 780         if (ret)
 781                 return ret;
 782
 783         if (inst->fmt_cap->pixfmt == V4L2_PIX_FMT_H264) {
 784                 profile = venc_v4l2_to_hfi(V4L2_CID_MPEG_VIDEO_H264_PROFILE,
 785                                            ctr->profile.h264);
 786                 level = venc_v4l2_to_hfi(V4L2_CID_MPEG_VIDEO_H264_LEVEL,
 787                                          ctr->level.h264);
 788         } else if (inst->fmt_cap->pixfmt == V4L2_PIX_FMT_VP8) {
 789                 profile = venc_v4l2_to_hfi(V4L2_CID_MPEG_VIDEO_VP8_PROFILE,
 790                                            ctr->profile.vpx);
 791                 level = 0;
 792         } else if (inst->fmt_cap->pixfmt == V4L2_PIX_FMT_MPEG4) {
 793                 profile = venc_v4l2_to_hfi(V4L2_CID_MPEG_VIDEO_MPEG4_PROFILE,
 794                                            ctr->profile.mpeg4);
 795                 level = venc_v4l2_to_hfi(V4L2_CID_MPEG_VIDEO_MPEG4_LEVEL,
 796                                          ctr->level.mpeg4);
 797         } else if (inst->fmt_cap->pixfmt == V4L2_PIX_FMT_H263) {
 798                 profile = 0;
 799                 level = 0;
 800         } else if (inst->fmt_cap->pixfmt == V4L2_PIX_FMT_HEVC) {
 801                 profile = venc_v4l2_to_hfi(V4L2_CID_MPEG_VIDEO_HEVC_PROFILE,
 802                                            ctr->profile.hevc);
 803                 level = venc_v4l2_to_hfi(V4L2_CID_MPEG_VIDEO_HEVC_LEVEL,
 804                                          ctr->level.hevc);
 805         }
 806
 807         ptype = HFI_PROPERTY_PARAM_PROFILE_LEVEL_CURRENT;
 808         pl.profile = profile;
 809         pl.level = level;
 810
 811         ret = hfi_session_set_property(inst, ptype, &pl);
 812         if (ret)
 813                 return ret;
 814
 815         return 0;
 816 }
 817
 818 static int venc_init_session(struct venus_inst *inst)
 819 {
 820         int ret;
 821
 822         ret = hfi_session_init(inst, inst->fmt_cap->pixfmt);
 823         if (ret)
 824                 return ret;
 825
 826         ret = venus_helper_set_input_resolution(inst, inst->width,
 827                                                 inst->height);
 828         if (ret)
 829                 goto deinit;
 830
 831         ret = venus_helper_set_output_resolution(inst, inst->width,
 832                                                  inst->height,
 833                                                  HFI_BUFFER_OUTPUT);
 834         if (ret)
 835                 goto deinit;
 836
 837         ret = venus_helper_set_color_format(inst, inst->fmt_out->pixfmt);
 838         if (ret)
 839                 goto deinit;
 840
 841         ret = venc_set_properties(inst);
 842         if (ret)
 843                 goto deinit;
 844
 845         return 0;
 846 deinit:
 847         hfi_session_deinit(inst);
 848         return ret;
 849 }
 850
 851 static int venc_out_num_buffers(struct venus_inst *inst, unsigned int *num)
 852 {
 853         struct hfi_buffer_requirements bufreq;
 854         int ret;
 855
 856         ret = venc_init_session(inst);
 857         if (ret)
 858                 return ret;
 859
 860         ret = venus_helper_get_bufreq(inst, HFI_BUFFER_INPUT, &bufreq);
 861
 862         *num = bufreq.count_actual;
 863
 864         hfi_session_deinit(inst);
 865
 866         return ret;
 867 }
 868
 869 static int venc_queue_setup(struct vb2_queue *q,
 870                             unsigned int *num_buffers, unsigned int *num_planes,
 871                             unsigned int sizes[], struct device *alloc_devs[])
 872 {
 873         struct venus_inst *inst = vb2_get_drv_priv(q);
 874         unsigned int num, min = 4;
 875         int ret = 0;
 876
 877         if (*num_planes) {
 878                 if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE &&
 879                     *num_planes != inst->fmt_out->num_planes)
 880                         return -EINVAL;
 881
 882                 if (q->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE &&
 883                     *num_planes != inst->fmt_cap->num_planes)
 884                         return -EINVAL;
 885
 886                 if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE &&
 887                     sizes[0] < inst->input_buf_size)
 888                         return -EINVAL;
 889
 890                 if (q->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE &&
 891                     sizes[0] < inst->output_buf_size)
 892                         return -EINVAL;
 893
 894                 return 0;
 895         }
 896
 897         switch (q->type) {
 898         case V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE:
 899                 *num_planes = inst->fmt_out->num_planes;
 900
 901                 ret = venc_out_num_buffers(inst, &num);
 902                 if (ret)
 903                         break;
 904
 905                 num = max(num, min);
 906                 *num_buffers = max(*num_buffers, num);
 907                 inst->num_input_bufs = *num_buffers;
 908
 909                 sizes[0] = venus_helper_get_framesz(inst->fmt_out->pixfmt,
 910                                                     inst->width,
 911                                                     inst->height);
 912                 inst->input_buf_size = sizes[0];
 913                 break;
 914         case V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE:
 915                 *num_planes = inst->fmt_cap->num_planes;
 916                 *num_buffers = max(*num_buffers, min);
 917                 inst->num_output_bufs = *num_buffers;
 918                 sizes[0] = venus_helper_get_framesz(inst->fmt_cap->pixfmt,
 919                                                     inst->width,
 920                                                     inst->height);
 921                 inst->output_buf_size = sizes[0];
 922                 break;
 923         default:
 924                 ret = -EINVAL;
 925                 break;
 926         }
 927
 928         return ret;
 929 }
 930
 931 static int venc_verify_conf(struct venus_inst *inst)
 932 {
 933         enum hfi_version ver = inst->core->res->hfi_version;
 934         struct hfi_buffer_requirements bufreq;
 935         int ret;
 936
 937         if (!inst->num_input_bufs || !inst->num_output_bufs)
 938                 return -EINVAL;
 939
 940         ret = venus_helper_get_bufreq(inst, HFI_BUFFER_OUTPUT, &bufreq);
 941         if (ret)
 942                 return ret;
 943
 944         if (inst->num_output_bufs < bufreq.count_actual ||
 945             inst->num_output_bufs < HFI_BUFREQ_COUNT_MIN(&bufreq, ver))
 946                 return -EINVAL;
 947
 948         ret = venus_helper_get_bufreq(inst, HFI_BUFFER_INPUT, &bufreq);
 949         if (ret)
 950                 return ret;
 951
 952         if (inst->num_input_bufs < bufreq.count_actual ||
 953             inst->num_input_bufs < HFI_BUFREQ_COUNT_MIN(&bufreq, ver))
 954                 return -EINVAL;
 955
 956         return 0;
 957 }
 958
 959 static int venc_start_streaming(struct vb2_queue *q, unsigned int count)
 960 {
 961         struct venus_inst *inst = vb2_get_drv_priv(q);
 962         int ret;
 963
 964         mutex_lock(&inst->lock);
 965
 966         if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
 967                 inst->streamon_out = 1;
 968         else
 969                 inst->streamon_cap = 1;
 970
 971         if (!(inst->streamon_out & inst->streamon_cap)) {
 972                 mutex_unlock(&inst->lock);
 973                 return 0;
 974         }
 975
 976         venus_helper_init_instance(inst);
 977
 978         inst->sequence_cap = 0;
 979         inst->sequence_out = 0;
 980
 981         ret = venc_init_session(inst);
 982         if (ret)
 983                 goto bufs_done;
 984
 985         ret = venc_set_properties(inst);
 986         if (ret)
 987                 goto deinit_sess;
 988
 989         ret = venc_verify_conf(inst);
 990         if (ret)
 991                 goto deinit_sess;
 992
 993         ret = venus_helper_set_num_bufs(inst, inst->num_input_bufs,
 994                                         inst->num_output_bufs, 0);
 995         if (ret)
 996                 goto deinit_sess;
 997
 998         ret = venus_helper_vb2_start_streaming(inst);
 999         if (ret)
1000                 goto deinit_sess;
1001
1002         mutex_unlock(&inst->lock);
1003
1004         return 0;
1005
1006 deinit_sess:
1007         hfi_session_deinit(inst);
1008 bufs_done:
1009         venus_helper_buffers_done(inst, VB2_BUF_STATE_QUEUED);
1010         if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
1011                 inst->streamon_out = 0;
1012         else
1013                 inst->streamon_cap = 0;
1014         mutex_unlock(&inst->lock);
1015         return ret;
1016 }
1017
1018 static const struct vb2_ops venc_vb2_ops = {
1019         .queue_setup = venc_queue_setup,
1020         .buf_init = venus_helper_vb2_buf_init,
1021         .buf_prepare = venus_helper_vb2_buf_prepare,
1022         .start_streaming = venc_start_streaming,
1023         .stop_streaming = venus_helper_vb2_stop_streaming,
1024         .buf_queue = venus_helper_vb2_buf_queue,
1025 };
1026
1027 static void venc_buf_done(struct venus_inst *inst, unsigned int buf_type,
1028                           u32 tag, u32 bytesused, u32 data_offset, u32 flags,
1029                           u32 hfi_flags, u64 timestamp_us)
1030 {
1031         struct vb2_v4l2_buffer *vbuf;
1032         struct vb2_buffer *vb;
1033         unsigned int type;
1034
1035         if (buf_type == HFI_BUFFER_INPUT)
1036                 type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE;
1037         else
1038                 type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE;
1039
1040         vbuf = venus_helper_find_buf(inst, type, tag);
1041         if (!vbuf)
1042                 return;
1043
1044         vbuf->flags = flags;
1045
1046         if (type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
1047                 vb = &vbuf->vb2_buf;
1048                 vb2_set_plane_payload(vb, 0, bytesused + data_offset);
1049                 vb->planes[0].data_offset = data_offset;
1050                 vb->timestamp = timestamp_us * NSEC_PER_USEC;
1051                 vbuf->sequence = inst->sequence_cap++;
1052         } else {
1053                 vbuf->sequence = inst->sequence_out++;
1054         }
1055
1056         v4l2_m2m_buf_done(vbuf, VB2_BUF_STATE_DONE);
1057 }
1058
1059 static void venc_event_notify(struct venus_inst *inst, u32 event,
1060                               struct hfi_event_data *data)
1061 {
1062         struct device *dev = inst->core->dev_enc;
1063
1064         if (event == EVT_SESSION_ERROR) {
1065                 inst->session_error = true;
1066                 dev_err(dev, "enc: event session error %x\n", inst->error);
1067         }
1068 }
1069
1070 static const struct hfi_inst_ops venc_hfi_ops = {
1071         .buf_done = venc_buf_done,
1072         .event_notify = venc_event_notify,
1073 };
1074
1075 static const struct v4l2_m2m_ops venc_m2m_ops = {
1076         .device_run = venus_helper_m2m_device_run,
1077         .job_abort = venus_helper_m2m_job_abort,
1078 };
1079
1080 static int m2m_queue_init(void *priv, struct vb2_queue *src_vq,
1081                           struct vb2_queue *dst_vq)
1082 {
1083         struct venus_inst *inst = priv;
1084         int ret;
1085
1086         src_vq->type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE;
1087         src_vq->io_modes = VB2_MMAP | VB2_USERPTR | VB2_DMABUF;
1088         src_vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY;
1089         src_vq->ops = &venc_vb2_ops;
1090         src_vq->mem_ops = &vb2_dma_sg_memops;
1091         src_vq->drv_priv = inst;
1092         src_vq->buf_struct_size = sizeof(struct venus_buffer);
1093         src_vq->allow_zero_bytesused = 1;
1094         src_vq->min_buffers_needed = 1;
1095         src_vq->dev = inst->core->dev;
1096         if (inst->core->res->hfi_version == HFI_VERSION_1XX)
1097                 src_vq->bidirectional = 1;
1098         ret = vb2_queue_init(src_vq);
1099         if (ret)
1100                 return ret;
1101
1102         dst_vq->type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE;
1103         dst_vq->io_modes = VB2_MMAP | VB2_USERPTR | VB2_DMABUF;
1104         dst_vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY;
1105         dst_vq->ops = &venc_vb2_ops;
1106         dst_vq->mem_ops = &vb2_dma_sg_memops;
1107         dst_vq->drv_priv = inst;
1108         dst_vq->buf_struct_size = sizeof(struct venus_buffer);
1109         dst_vq->allow_zero_bytesused = 1;
1110         dst_vq->min_buffers_needed = 1;
1111         dst_vq->dev = inst->core->dev;
1112         ret = vb2_queue_init(dst_vq);
1113         if (ret) {
1114                 vb2_queue_release(src_vq);
1115                 return ret;
1116         }
1117
1118         return 0;
1119 }
1120
1121 static void venc_inst_init(struct venus_inst *inst)
1122 {
1123         inst->fmt_cap = &venc_formats[2];
1124         inst->fmt_out = &venc_formats[0];
1125         inst->width = 1280;
1126         inst->height = ALIGN(720, 32);
1127         inst->out_width = 1280;
1128         inst->out_height = 720;
1129         inst->fps = 15;
1130         inst->timeperframe.numerator = 1;
1131         inst->timeperframe.denominator = 15;
1132         inst->hfi_codec = HFI_VIDEO_CODEC_H264;
1133 }
1134
1135 static int venc_open(struct file *file)
1136 {
1137         struct venus_core *core = video_drvdata(file);
1138         struct venus_inst *inst;
1139         int ret;
1140
1141         inst = kzalloc(sizeof(*inst), GFP_KERNEL);
1142         if (!inst)
1143                 return -ENOMEM;
1144
1145         INIT_LIST_HEAD(&inst->dpbbufs);
1146         INIT_LIST_HEAD(&inst->registeredbufs);
1147         INIT_LIST_HEAD(&inst->internalbufs);
1148         INIT_LIST_HEAD(&inst->list);
1149         mutex_init(&inst->lock);
1150
1151         inst->core = core;
1152         inst->session_type = VIDC_SESSION_TYPE_ENC;
1153
1154         venus_helper_init_instance(inst);
1155
1156         ret = pm_runtime_get_sync(core->dev_enc);
1157         if (ret < 0)
1158                 goto err_free_inst;
1159
1160         ret = venc_ctrl_init(inst);
1161         if (ret)
1162                 goto err_put_sync;
1163
1164         ret = hfi_session_create(inst, &venc_hfi_ops);
1165         if (ret)
1166                 goto err_ctrl_deinit;
1167
1168         venc_inst_init(inst);
1169
1170         /*
1171          * create m2m device for every instance, the m2m context scheduling
1172          * is made by firmware side so we do not need to care about.
1173          */
1174         inst->m2m_dev = v4l2_m2m_init(&venc_m2m_ops);
1175         if (IS_ERR(inst->m2m_dev)) {
1176                 ret = PTR_ERR(inst->m2m_dev);
1177                 goto err_session_destroy;
1178         }
1179
1180         inst->m2m_ctx = v4l2_m2m_ctx_init(inst->m2m_dev, inst, m2m_queue_init);
1181         if (IS_ERR(inst->m2m_ctx)) {
1182                 ret = PTR_ERR(inst->m2m_ctx);
1183                 goto err_m2m_release;
1184         }
1185
1186         v4l2_fh_init(&inst->fh, core->vdev_enc);
1187
1188         inst->fh.ctrl_handler = &inst->ctrl_handler;
1189         v4l2_fh_add(&inst->fh);
1190         inst->fh.m2m_ctx = inst->m2m_ctx;
1191         file->private_data = &inst->fh;
1192
1193         return 0;
1194
1195 err_m2m_release:
1196         v4l2_m2m_release(inst->m2m_dev);
1197 err_session_destroy:
1198         hfi_session_destroy(inst);
1199 err_ctrl_deinit:
1200         venc_ctrl_deinit(inst);
1201 err_put_sync:
1202         pm_runtime_put_sync(core->dev_enc);
1203 err_free_inst:
1204         kfree(inst);
1205         return ret;
1206 }
1207
1208 static int venc_close(struct file *file)
1209 {
1210         struct venus_inst *inst = to_inst(file);
1211
1212         v4l2_m2m_ctx_release(inst->m2m_ctx);
1213         v4l2_m2m_release(inst->m2m_dev);
1214         venc_ctrl_deinit(inst);
1215         hfi_session_destroy(inst);
1216         mutex_destroy(&inst->lock);
1217         v4l2_fh_del(&inst->fh);
1218         v4l2_fh_exit(&inst->fh);
1219
1220         pm_runtime_put_sync(inst->core->dev_enc);
1221
1222         kfree(inst);
1223         return 0;
1224 }
1225
1226 static const struct v4l2_file_operations venc_fops = {
1227         .owner = THIS_MODULE,
1228         .open = venc_open,
1229         .release = venc_close,
1230         .unlocked_ioctl = video_ioctl2,
1231         .poll = v4l2_m2m_fop_poll,
1232         .mmap = v4l2_m2m_fop_mmap,
1233 #ifdef CONFIG_COMPAT
1234         .compat_ioctl32 = v4l2_compat_ioctl32,
1235 #endif
1236 };
1237
1238 static int venc_probe(struct platform_device *pdev)
1239 {
1240         struct device *dev = &pdev->dev;
1241         struct video_device *vdev;
1242         struct venus_core *core;
1243         int ret;
1244
1245         if (!dev->parent)
1246                 return -EPROBE_DEFER;
1247
1248         core = dev_get_drvdata(dev->parent);
1249         if (!core)
1250                 return -EPROBE_DEFER;
1251
1252         if (IS_V3(core) || IS_V4(core)) {
1253                 core->core1_clk = devm_clk_get(dev, "core");
1254                 if (IS_ERR(core->core1_clk))
1255                         return PTR_ERR(core->core1_clk);
1256         }
1257
1258         if (IS_V4(core)) {
1259                 core->core1_bus_clk = devm_clk_get(dev, "bus");
1260                 if (IS_ERR(core->core1_bus_clk))
1261                         return PTR_ERR(core->core1_bus_clk);
1262         }
1263
1264         platform_set_drvdata(pdev, core);
1265
1266         vdev = video_device_alloc();
1267         if (!vdev)
1268                 return -ENOMEM;
1269
1270         strscpy(vdev->name, "qcom-venus-encoder", sizeof(vdev->name));
1271         vdev->release = video_device_release;
1272         vdev->fops = &venc_fops;
1273         vdev->ioctl_ops = &venc_ioctl_ops;
1274         vdev->vfl_dir = VFL_DIR_M2M;
1275         vdev->v4l2_dev = &core->v4l2_dev;
1276         vdev->device_caps = V4L2_CAP_VIDEO_M2M_MPLANE | V4L2_CAP_STREAMING;
1277
1278         ret = video_register_device(vdev, VFL_TYPE_GRABBER, -1);
1279         if (ret)
1280                 goto err_vdev_release;
1281
1282         core->vdev_enc = vdev;
1283         core->dev_enc = dev;
1284
1285         video_set_drvdata(vdev, core);
1286         pm_runtime_enable(dev);
1287
1288         return 0;
1289
1290 err_vdev_release:
1291         video_device_release(vdev);
1292         return ret;
1293 }
1294
1295 static int venc_remove(struct platform_device *pdev)
1296 {
1297         struct venus_core *core = dev_get_drvdata(pdev->dev.parent);
1298
1299         video_unregister_device(core->vdev_enc);
1300         pm_runtime_disable(core->dev_enc);
1301
1302         return 0;
1303 }
1304
1305 static __maybe_unused int venc_runtime_suspend(struct device *dev)
1306 {
1307         struct venus_core *core = dev_get_drvdata(dev);
1308         int ret;
1309
1310         if (IS_V1(core))
1311                 return 0;
1312
1313         ret = venus_helper_power_enable(core, VIDC_SESSION_TYPE_ENC, true);
1314         if (ret)
1315                 return ret;
1316
1317         if (IS_V4(core))
1318                 clk_disable_unprepare(core->core1_bus_clk);
1319
1320         clk_disable_unprepare(core->core1_clk);
1321
1322         return venus_helper_power_enable(core, VIDC_SESSION_TYPE_ENC, false);
1323 }
1324
1325 static __maybe_unused int venc_runtime_resume(struct device *dev)
1326 {
1327         struct venus_core *core = dev_get_drvdata(dev);
1328         int ret;
1329
1330         if (IS_V1(core))
1331                 return 0;
1332
1333         ret = venus_helper_power_enable(core, VIDC_SESSION_TYPE_ENC, true);
1334         if (ret)
1335                 return ret;
1336
1337         ret = clk_prepare_enable(core->core1_clk);
1338         if (ret)
1339                 goto err_power_disable;
1340
1341         if (IS_V4(core))
1342                 ret = clk_prepare_enable(core->core1_bus_clk);
1343
1344         if (ret)
1345                 goto err_unprepare_core1;
1346
1347         return venus_helper_power_enable(core, VIDC_SESSION_TYPE_ENC, false);
1348
1349 err_unprepare_core1:
1350         clk_disable_unprepare(core->core1_clk);
1351 err_power_disable:
1352         venus_helper_power_enable(core, VIDC_SESSION_TYPE_ENC, false);
1353         return ret;
1354 }
1355
1356 static const struct dev_pm_ops venc_pm_ops = {
1357         SET_SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend,
1358                                 pm_runtime_force_resume)
1359         SET_RUNTIME_PM_OPS(venc_runtime_suspend, venc_runtime_resume, NULL)
1360 };
1361
1362 static const struct of_device_id venc_dt_match[] = {
1363         { .compatible = "venus-encoder" },
1364         { }
1365 };
1366 MODULE_DEVICE_TABLE(of, venc_dt_match);
1367
1368 static struct platform_driver qcom_venus_enc_driver = {
1369         .probe = venc_probe,
1370         .remove = venc_remove,
1371         .driver = {
1372                 .name = "qcom-venus-encoder",
1373                 .of_match_table = venc_dt_match,
1374                 .pm = &venc_pm_ops,
1375         },
1376 };
1377 module_platform_driver(qcom_venus_enc_driver);
1378
1379 MODULE_ALIAS("platform:qcom-venus-encoder");
1380 MODULE_DESCRIPTION("Qualcomm Venus video encoder driver");
1381 MODULE_LICENSE("GPL v2");