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

   1 /*
   2  * Copyright (c) 2012-2016, The Linux Foundation. All rights reserved.
   3  * Copyright (C) 2017 Linaro Ltd.
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License version 2 and
   7  * only version 2 as published by the Free Software Foundation.
   8  *
   9  * This program is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  *
  14  */
  15 #include <linux/clk.h>
  16 #include <linux/module.h>
  17 #include <linux/platform_device.h>
  18 #include <linux/pm_runtime.h>
  19 #include <linux/slab.h>
  20 #include <media/v4l2-mem2mem.h>
  21 #include <media/videobuf2-dma-sg.h>
  22 #include <media/v4l2-ioctl.h>
  23 #include <media/v4l2-event.h>
  24 #include <media/v4l2-ctrls.h>
  25
  26 #include "hfi_venus_io.h"
  27 #include "core.h"
  28 #include "helpers.h"
  29 #include "venc.h"
  30
  31 #define NUM_B_FRAMES_MAX        4
  32
  33 static u32 get_framesize_uncompressed(unsigned int plane, u32 width, u32 height)
  34 {
  35         u32 y_stride, uv_stride, y_plane;
  36         u32 y_sclines, uv_sclines, uv_plane;
  37         u32 size;
  38
  39         y_stride = ALIGN(width, 128);
  40         uv_stride = ALIGN(width, 128);
  41         y_sclines = ALIGN(height, 32);
  42         uv_sclines = ALIGN(((height + 1) >> 1), 16);
  43
  44         y_plane = y_stride * y_sclines;
  45         uv_plane = uv_stride * uv_sclines + SZ_4K;
  46         size = y_plane + uv_plane + SZ_8K;
  47         size = ALIGN(size, SZ_4K);
  48
  49         return size;
  50 }
  51
  52 static u32 get_framesize_compressed(u32 width, u32 height)
  53 {
  54         u32 sz = ALIGN(height, 32) * ALIGN(width, 32) * 3 / 2 / 2;
  55
  56         return ALIGN(sz, SZ_4K);
  57 }
  58
  59 /*
  60  * Three resons to keep MPLANE formats (despite that the number of planes
  61  * currently is one):
  62  * - the MPLANE formats allow only one plane to be used
  63  * - the downstream driver use MPLANE formats too
  64  * - future firmware versions could add support for >1 planes
  65  */
  66 static const struct venus_format venc_formats[] = {
  67         {
  68                 .pixfmt = V4L2_PIX_FMT_NV12,
  69                 .num_planes = 1,
  70                 .type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE,
  71         }, {
  72                 .pixfmt = V4L2_PIX_FMT_MPEG4,
  73                 .num_planes = 1,
  74                 .type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE,
  75         }, {
  76                 .pixfmt = V4L2_PIX_FMT_H263,
  77                 .num_planes = 1,
  78                 .type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE,
  79         }, {
  80                 .pixfmt = V4L2_PIX_FMT_H264,
  81                 .num_planes = 1,
  82                 .type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE,
  83         }, {
  84                 .pixfmt = V4L2_PIX_FMT_VP8,
  85                 .num_planes = 1,
  86                 .type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE,
  87         },
  88 };
  89
  90 static const struct venus_format *
  91 find_format(struct venus_inst *inst, u32 pixfmt, u32 type)
  92 {
  93         const struct venus_format *fmt = venc_formats;
  94         unsigned int size = ARRAY_SIZE(venc_formats);
  95         unsigned int i;
  96
  97         for (i = 0; i < size; i++) {
  98                 if (fmt[i].pixfmt == pixfmt)
  99                         break;
 100         }
 101
 102         if (i == size || fmt[i].type != type)
 103                 return NULL;
 104
 105         if (type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE &&
 106             !venus_helper_check_codec(inst, fmt[i].pixfmt))
 107                 return NULL;
 108
 109         return &fmt[i];
 110 }
 111
 112 static const struct venus_format *
 113 find_format_by_index(struct venus_inst *inst, unsigned int index, u32 type)
 114 {
 115         const struct venus_format *fmt = venc_formats;
 116         unsigned int size = ARRAY_SIZE(venc_formats);
 117         unsigned int i, k = 0;
 118
 119         if (index > size)
 120                 return NULL;
 121
 122         for (i = 0; i < size; i++) {
 123                 if (fmt[i].type != type)
 124                         continue;
 125                 if (k == index)
 126                         break;
 127                 k++;
 128         }
 129
 130         if (i == size)
 131                 return NULL;
 132
 133         if (type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE &&
 134             !venus_helper_check_codec(inst, fmt[i].pixfmt))
 135                 return NULL;
 136
 137         return &fmt[i];
 138 }
 139
 140 static int venc_v4l2_to_hfi(int id, int value)
 141 {
 142         switch (id) {
 143         case V4L2_CID_MPEG_VIDEO_MPEG4_LEVEL:
 144                 switch (value) {
 145                 case V4L2_MPEG_VIDEO_MPEG4_LEVEL_0:
 146                 default:
 147                         return HFI_MPEG4_LEVEL_0;
 148                 case V4L2_MPEG_VIDEO_MPEG4_LEVEL_0B:
 149                         return HFI_MPEG4_LEVEL_0b;
 150                 case V4L2_MPEG_VIDEO_MPEG4_LEVEL_1:
 151                         return HFI_MPEG4_LEVEL_1;
 152                 case V4L2_MPEG_VIDEO_MPEG4_LEVEL_2:
 153                         return HFI_MPEG4_LEVEL_2;
 154                 case V4L2_MPEG_VIDEO_MPEG4_LEVEL_3:
 155                         return HFI_MPEG4_LEVEL_3;
 156                 case V4L2_MPEG_VIDEO_MPEG4_LEVEL_4:
 157                         return HFI_MPEG4_LEVEL_4;
 158                 case V4L2_MPEG_VIDEO_MPEG4_LEVEL_5:
 159                         return HFI_MPEG4_LEVEL_5;
 160                 }
 161         case V4L2_CID_MPEG_VIDEO_MPEG4_PROFILE:
 162                 switch (value) {
 163                 case V4L2_MPEG_VIDEO_MPEG4_PROFILE_SIMPLE:
 164                 default:
 165                         return HFI_MPEG4_PROFILE_SIMPLE;
 166                 case V4L2_MPEG_VIDEO_MPEG4_PROFILE_ADVANCED_SIMPLE:
 167                         return HFI_MPEG4_PROFILE_ADVANCEDSIMPLE;
 168                 }
 169         case V4L2_CID_MPEG_VIDEO_H264_PROFILE:
 170                 switch (value) {
 171                 case V4L2_MPEG_VIDEO_H264_PROFILE_BASELINE:
 172                         return HFI_H264_PROFILE_BASELINE;
 173                 case V4L2_MPEG_VIDEO_H264_PROFILE_CONSTRAINED_BASELINE:
 174                         return HFI_H264_PROFILE_CONSTRAINED_BASE;
 175                 case V4L2_MPEG_VIDEO_H264_PROFILE_MAIN:
 176                         return HFI_H264_PROFILE_MAIN;
 177                 case V4L2_MPEG_VIDEO_H264_PROFILE_HIGH:
 178                 default:
 179                         return HFI_H264_PROFILE_HIGH;
 180                 }
 181         case V4L2_CID_MPEG_VIDEO_H264_LEVEL:
 182                 switch (value) {
 183                 case V4L2_MPEG_VIDEO_H264_LEVEL_1_0:
 184                         return HFI_H264_LEVEL_1;
 185                 case V4L2_MPEG_VIDEO_H264_LEVEL_1B:
 186                         return HFI_H264_LEVEL_1b;
 187                 case V4L2_MPEG_VIDEO_H264_LEVEL_1_1:
 188                         return HFI_H264_LEVEL_11;
 189                 case V4L2_MPEG_VIDEO_H264_LEVEL_1_2:
 190                         return HFI_H264_LEVEL_12;
 191                 case V4L2_MPEG_VIDEO_H264_LEVEL_1_3:
 192                         return HFI_H264_LEVEL_13;
 193                 case V4L2_MPEG_VIDEO_H264_LEVEL_2_0:
 194                         return HFI_H264_LEVEL_2;
 195                 case V4L2_MPEG_VIDEO_H264_LEVEL_2_1:
 196                         return HFI_H264_LEVEL_21;
 197                 case V4L2_MPEG_VIDEO_H264_LEVEL_2_2:
 198                         return HFI_H264_LEVEL_22;
 199                 case V4L2_MPEG_VIDEO_H264_LEVEL_3_0:
 200                         return HFI_H264_LEVEL_3;
 201                 case V4L2_MPEG_VIDEO_H264_LEVEL_3_1:
 202                         return HFI_H264_LEVEL_31;
 203                 case V4L2_MPEG_VIDEO_H264_LEVEL_3_2:
 204                         return HFI_H264_LEVEL_32;
 205                 case V4L2_MPEG_VIDEO_H264_LEVEL_4_0:
 206                         return HFI_H264_LEVEL_4;
 207                 case V4L2_MPEG_VIDEO_H264_LEVEL_4_1:
 208                         return HFI_H264_LEVEL_41;
 209                 case V4L2_MPEG_VIDEO_H264_LEVEL_4_2:
 210                         return HFI_H264_LEVEL_42;
 211                 case V4L2_MPEG_VIDEO_H264_LEVEL_5_0:
 212                 default:
 213                         return HFI_H264_LEVEL_5;
 214                 case V4L2_MPEG_VIDEO_H264_LEVEL_5_1:
 215                         return HFI_H264_LEVEL_51;
 216                 }
 217         case V4L2_CID_MPEG_VIDEO_H264_ENTROPY_MODE:
 218                 switch (value) {
 219                 case V4L2_MPEG_VIDEO_H264_ENTROPY_MODE_CAVLC:
 220                 default:
 221                         return HFI_H264_ENTROPY_CAVLC;
 222                 case V4L2_MPEG_VIDEO_H264_ENTROPY_MODE_CABAC:
 223                         return HFI_H264_ENTROPY_CABAC;
 224                 }
 225         case V4L2_CID_MPEG_VIDEO_VPX_PROFILE:
 226                 switch (value) {
 227                 case 0:
 228                 default:
 229                         return HFI_VPX_PROFILE_VERSION_0;
 230                 case 1:
 231                         return HFI_VPX_PROFILE_VERSION_1;
 232                 case 2:
 233                         return HFI_VPX_PROFILE_VERSION_2;
 234                 case 3:
 235                         return HFI_VPX_PROFILE_VERSION_3;
 236                 }
 237         }
 238
 239         return 0;
 240 }
 241
 242 static int
 243 venc_querycap(struct file *file, void *fh, struct v4l2_capability *cap)
 244 {
 245         strlcpy(cap->driver, "qcom-venus", sizeof(cap->driver));
 246         strlcpy(cap->card, "Qualcomm Venus video encoder", sizeof(cap->card));
 247         strlcpy(cap->bus_info, "platform:qcom-venus", sizeof(cap->bus_info));
 248
 249         return 0;
 250 }
 251
 252 static int venc_enum_fmt(struct file *file, void *fh, struct v4l2_fmtdesc *f)
 253 {
 254         struct venus_inst *inst = to_inst(file);
 255         const struct venus_format *fmt;
 256
 257         fmt = find_format_by_index(inst, f->index, f->type);
 258
 259         memset(f->reserved, 0, sizeof(f->reserved));
 260
 261         if (!fmt)
 262                 return -EINVAL;
 263
 264         f->pixelformat = fmt->pixfmt;
 265
 266         return 0;
 267 }
 268
 269 static const struct venus_format *
 270 venc_try_fmt_common(struct venus_inst *inst, struct v4l2_format *f)
 271 {
 272         struct v4l2_pix_format_mplane *pixmp = &f->fmt.pix_mp;
 273         struct v4l2_plane_pix_format *pfmt = pixmp->plane_fmt;
 274         const struct venus_format *fmt;
 275         unsigned int p;
 276
 277         memset(pfmt[0].reserved, 0, sizeof(pfmt[0].reserved));
 278         memset(pixmp->reserved, 0, sizeof(pixmp->reserved));
 279
 280         fmt = find_format(inst, pixmp->pixelformat, f->type);
 281         if (!fmt) {
 282                 if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE)
 283                         pixmp->pixelformat = V4L2_PIX_FMT_H264;
 284                 else if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
 285                         pixmp->pixelformat = V4L2_PIX_FMT_NV12;
 286                 else
 287                         return NULL;
 288                 fmt = find_format(inst, pixmp->pixelformat, f->type);
 289                 pixmp->width = 1280;
 290                 pixmp->height = 720;
 291         }
 292
 293         pixmp->width = clamp(pixmp->width, inst->cap_width.min,
 294                              inst->cap_width.max);
 295         pixmp->height = clamp(pixmp->height, inst->cap_height.min,
 296                               inst->cap_height.max);
 297
 298         if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
 299                 pixmp->height = ALIGN(pixmp->height, 32);
 300
 301         pixmp->width = ALIGN(pixmp->width, 2);
 302         pixmp->height = ALIGN(pixmp->height, 2);
 303
 304         if (pixmp->field == V4L2_FIELD_ANY)
 305                 pixmp->field = V4L2_FIELD_NONE;
 306         pixmp->num_planes = fmt->num_planes;
 307         pixmp->flags = 0;
 308
 309         if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
 310                 for (p = 0; p < pixmp->num_planes; p++) {
 311                         pfmt[p].sizeimage =
 312                                 get_framesize_uncompressed(p, pixmp->width,
 313                                                            pixmp->height);
 314
 315                         pfmt[p].bytesperline = ALIGN(pixmp->width, 128);
 316                 }
 317         } else {
 318                 pfmt[0].sizeimage = get_framesize_compressed(pixmp->width,
 319                                                              pixmp->height);
 320                 pfmt[0].bytesperline = 0;
 321         }
 322
 323         return fmt;
 324 }
 325
 326 static int venc_try_fmt(struct file *file, void *fh, struct v4l2_format *f)
 327 {
 328         struct venus_inst *inst = to_inst(file);
 329
 330         venc_try_fmt_common(inst, f);
 331
 332         return 0;
 333 }
 334
 335 static int venc_s_fmt(struct file *file, void *fh, struct v4l2_format *f)
 336 {
 337         struct venus_inst *inst = to_inst(file);
 338         struct v4l2_pix_format_mplane *pixmp = &f->fmt.pix_mp;
 339         struct v4l2_pix_format_mplane orig_pixmp;
 340         const struct venus_format *fmt;
 341         struct v4l2_format format;
 342         u32 pixfmt_out = 0, pixfmt_cap = 0;
 343
 344         orig_pixmp = *pixmp;
 345
 346         fmt = venc_try_fmt_common(inst, f);
 347         if (!fmt)
 348                 return -EINVAL;
 349
 350         if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
 351                 pixfmt_out = pixmp->pixelformat;
 352                 pixfmt_cap = inst->fmt_cap->pixfmt;
 353         } else if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
 354                 pixfmt_cap = pixmp->pixelformat;
 355                 pixfmt_out = inst->fmt_out->pixfmt;
 356         }
 357
 358         memset(&format, 0, sizeof(format));
 359
 360         format.type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE;
 361         format.fmt.pix_mp.pixelformat = pixfmt_out;
 362         format.fmt.pix_mp.width = orig_pixmp.width;
 363         format.fmt.pix_mp.height = orig_pixmp.height;
 364         venc_try_fmt_common(inst, &format);
 365
 366         if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
 367                 inst->out_width = format.fmt.pix_mp.width;
 368                 inst->out_height = format.fmt.pix_mp.height;
 369                 inst->colorspace = pixmp->colorspace;
 370                 inst->ycbcr_enc = pixmp->ycbcr_enc;
 371                 inst->quantization = pixmp->quantization;
 372                 inst->xfer_func = pixmp->xfer_func;
 373         }
 374
 375         memset(&format, 0, sizeof(format));
 376
 377         format.type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE;
 378         format.fmt.pix_mp.pixelformat = pixfmt_cap;
 379         format.fmt.pix_mp.width = orig_pixmp.width;
 380         format.fmt.pix_mp.height = orig_pixmp.height;
 381         venc_try_fmt_common(inst, &format);
 382
 383         inst->width = format.fmt.pix_mp.width;
 384         inst->height = format.fmt.pix_mp.height;
 385
 386         if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
 387                 inst->fmt_out = fmt;
 388         else if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE)
 389                 inst->fmt_cap = fmt;
 390
 391         return 0;
 392 }
 393
 394 static int venc_g_fmt(struct file *file, void *fh, struct v4l2_format *f)
 395 {
 396         struct v4l2_pix_format_mplane *pixmp = &f->fmt.pix_mp;
 397         struct venus_inst *inst = to_inst(file);
 398         const struct venus_format *fmt;
 399
 400         if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE)
 401                 fmt = inst->fmt_cap;
 402         else if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
 403                 fmt = inst->fmt_out;
 404         else
 405                 return -EINVAL;
 406
 407         pixmp->pixelformat = fmt->pixfmt;
 408
 409         if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
 410                 pixmp->width = inst->width;
 411                 pixmp->height = inst->height;
 412                 pixmp->colorspace = inst->colorspace;
 413                 pixmp->ycbcr_enc = inst->ycbcr_enc;
 414                 pixmp->quantization = inst->quantization;
 415                 pixmp->xfer_func = inst->xfer_func;
 416         } else if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
 417                 pixmp->width = inst->out_width;
 418                 pixmp->height = inst->out_height;
 419         }
 420
 421         venc_try_fmt_common(inst, f);
 422
 423         return 0;
 424 }
 425
 426 static int
 427 venc_g_selection(struct file *file, void *fh, struct v4l2_selection *s)
 428 {
 429         struct venus_inst *inst = to_inst(file);
 430
 431         if (s->type != V4L2_BUF_TYPE_VIDEO_OUTPUT)
 432                 return -EINVAL;
 433
 434         switch (s->target) {
 435         case V4L2_SEL_TGT_CROP_DEFAULT:
 436         case V4L2_SEL_TGT_CROP_BOUNDS:
 437                 s->r.width = inst->width;
 438                 s->r.height = inst->height;
 439                 break;
 440         case V4L2_SEL_TGT_CROP:
 441                 s->r.width = inst->out_width;
 442                 s->r.height = inst->out_height;
 443                 break;
 444         default:
 445                 return -EINVAL;
 446         }
 447
 448         s->r.top = 0;
 449         s->r.left = 0;
 450
 451         return 0;
 452 }
 453
 454 static int
 455 venc_s_selection(struct file *file, void *fh, struct v4l2_selection *s)
 456 {
 457         struct venus_inst *inst = to_inst(file);
 458
 459         if (s->type != V4L2_BUF_TYPE_VIDEO_OUTPUT)
 460                 return -EINVAL;
 461
 462         switch (s->target) {
 463         case V4L2_SEL_TGT_CROP:
 464                 if (s->r.width != inst->out_width ||
 465                     s->r.height != inst->out_height ||
 466                     s->r.top != 0 || s->r.left != 0)
 467                         return -EINVAL;
 468                 break;
 469         default:
 470                 return -EINVAL;
 471         }
 472
 473         return 0;
 474 }
 475
 476 static int venc_s_parm(struct file *file, void *fh, struct v4l2_streamparm *a)
 477 {
 478         struct venus_inst *inst = to_inst(file);
 479         struct v4l2_outputparm *out = &a->parm.output;
 480         struct v4l2_fract *timeperframe = &out->timeperframe;
 481         u64 us_per_frame, fps;
 482
 483         if (a->type != V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE &&
 484             a->type != V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
 485                 return -EINVAL;
 486
 487         memset(out->reserved, 0, sizeof(out->reserved));
 488
 489         if (!timeperframe->denominator)
 490                 timeperframe->denominator = inst->timeperframe.denominator;
 491         if (!timeperframe->numerator)
 492                 timeperframe->numerator = inst->timeperframe.numerator;
 493
 494         out->capability = V4L2_CAP_TIMEPERFRAME;
 495
 496         us_per_frame = timeperframe->numerator * (u64)USEC_PER_SEC;
 497         do_div(us_per_frame, timeperframe->denominator);
 498
 499         if (!us_per_frame)
 500                 return -EINVAL;
 501
 502         fps = (u64)USEC_PER_SEC;
 503         do_div(fps, us_per_frame);
 504
 505         inst->timeperframe = *timeperframe;
 506         inst->fps = fps;
 507
 508         return 0;
 509 }
 510
 511 static int venc_g_parm(struct file *file, void *fh, struct v4l2_streamparm *a)
 512 {
 513         struct venus_inst *inst = to_inst(file);
 514
 515         if (a->type != V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE &&
 516             a->type != V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
 517                 return -EINVAL;
 518
 519         a->parm.output.capability |= V4L2_CAP_TIMEPERFRAME;
 520         a->parm.output.timeperframe = inst->timeperframe;
 521
 522         return 0;
 523 }
 524
 525 static int venc_enum_framesizes(struct file *file, void *fh,
 526                                 struct v4l2_frmsizeenum *fsize)
 527 {
 528         struct venus_inst *inst = to_inst(file);
 529         const struct venus_format *fmt;
 530
 531         fsize->type = V4L2_FRMSIZE_TYPE_STEPWISE;
 532
 533         fmt = find_format(inst, fsize->pixel_format,
 534                           V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE);
 535         if (!fmt) {
 536                 fmt = find_format(inst, fsize->pixel_format,
 537                                   V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE);
 538                 if (!fmt)
 539                         return -EINVAL;
 540         }
 541
 542         if (fsize->index)
 543                 return -EINVAL;
 544
 545         fsize->stepwise.min_width = inst->cap_width.min;
 546         fsize->stepwise.max_width = inst->cap_width.max;
 547         fsize->stepwise.step_width = inst->cap_width.step_size;
 548         fsize->stepwise.min_height = inst->cap_height.min;
 549         fsize->stepwise.max_height = inst->cap_height.max;
 550         fsize->stepwise.step_height = inst->cap_height.step_size;
 551
 552         return 0;
 553 }
 554
 555 static int venc_enum_frameintervals(struct file *file, void *fh,
 556                                     struct v4l2_frmivalenum *fival)
 557 {
 558         struct venus_inst *inst = to_inst(file);
 559         const struct venus_format *fmt;
 560
 561         fival->type = V4L2_FRMIVAL_TYPE_STEPWISE;
 562
 563         fmt = find_format(inst, fival->pixel_format,
 564                           V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE);
 565         if (!fmt) {
 566                 fmt = find_format(inst, fival->pixel_format,
 567                                   V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE);
 568                 if (!fmt)
 569                         return -EINVAL;
 570         }
 571
 572         if (fival->index)
 573                 return -EINVAL;
 574
 575         if (!fival->width || !fival->height)
 576                 return -EINVAL;
 577
 578         if (fival->width > inst->cap_width.max ||
 579             fival->width < inst->cap_width.min ||
 580             fival->height > inst->cap_height.max ||
 581             fival->height < inst->cap_height.min)
 582                 return -EINVAL;
 583
 584         fival->stepwise.min.numerator = 1;
 585         fival->stepwise.min.denominator = inst->cap_framerate.max;
 586         fival->stepwise.max.numerator = 1;
 587         fival->stepwise.max.denominator = inst->cap_framerate.min;
 588         fival->stepwise.step.numerator = 1;
 589         fival->stepwise.step.denominator = inst->cap_framerate.max;
 590
 591         return 0;
 592 }
 593
 594 static const struct v4l2_ioctl_ops venc_ioctl_ops = {
 595         .vidioc_querycap = venc_querycap,
 596         .vidioc_enum_fmt_vid_cap_mplane = venc_enum_fmt,
 597         .vidioc_enum_fmt_vid_out_mplane = venc_enum_fmt,
 598         .vidioc_s_fmt_vid_cap_mplane = venc_s_fmt,
 599         .vidioc_s_fmt_vid_out_mplane = venc_s_fmt,
 600         .vidioc_g_fmt_vid_cap_mplane = venc_g_fmt,
 601         .vidioc_g_fmt_vid_out_mplane = venc_g_fmt,
 602         .vidioc_try_fmt_vid_cap_mplane = venc_try_fmt,
 603         .vidioc_try_fmt_vid_out_mplane = venc_try_fmt,
 604         .vidioc_g_selection = venc_g_selection,
 605         .vidioc_s_selection = venc_s_selection,
 606         .vidioc_reqbufs = v4l2_m2m_ioctl_reqbufs,
 607         .vidioc_querybuf = v4l2_m2m_ioctl_querybuf,
 608         .vidioc_create_bufs = v4l2_m2m_ioctl_create_bufs,
 609         .vidioc_prepare_buf = v4l2_m2m_ioctl_prepare_buf,
 610         .vidioc_qbuf = v4l2_m2m_ioctl_qbuf,
 611         .vidioc_expbuf = v4l2_m2m_ioctl_expbuf,
 612         .vidioc_dqbuf = v4l2_m2m_ioctl_dqbuf,
 613         .vidioc_streamon = v4l2_m2m_ioctl_streamon,
 614         .vidioc_streamoff = v4l2_m2m_ioctl_streamoff,
 615         .vidioc_s_parm = venc_s_parm,
 616         .vidioc_g_parm = venc_g_parm,
 617         .vidioc_enum_framesizes = venc_enum_framesizes,
 618         .vidioc_enum_frameintervals = venc_enum_frameintervals,
 619         .vidioc_subscribe_event = v4l2_ctrl_subscribe_event,
 620         .vidioc_unsubscribe_event = v4l2_event_unsubscribe,
 621 };
 622
 623 static int venc_set_properties(struct venus_inst *inst)
 624 {
 625         struct venc_controls *ctr = &inst->controls.enc;
 626         struct hfi_intra_period intra_period;
 627         struct hfi_profile_level pl;
 628         struct hfi_framerate frate;
 629         struct hfi_bitrate brate;
 630         struct hfi_idr_period idrp;
 631         u32 ptype, rate_control, bitrate, profile = 0, level = 0;
 632         int ret;
 633
 634         ptype = HFI_PROPERTY_CONFIG_FRAME_RATE;
 635         frate.buffer_type = HFI_BUFFER_OUTPUT;
 636         frate.framerate = inst->fps * (1 << 16);
 637
 638         ret = hfi_session_set_property(inst, ptype, &frate);
 639         if (ret)
 640                 return ret;
 641
 642         if (inst->fmt_cap->pixfmt == V4L2_PIX_FMT_H264) {
 643                 struct hfi_h264_vui_timing_info info;
 644
 645                 ptype = HFI_PROPERTY_PARAM_VENC_H264_VUI_TIMING_INFO;
 646                 info.enable = 1;
 647                 info.fixed_framerate = 1;
 648                 info.time_scale = NSEC_PER_SEC;
 649
 650                 ret = hfi_session_set_property(inst, ptype, &info);
 651                 if (ret)
 652                         return ret;
 653         }
 654
 655         ptype = HFI_PROPERTY_CONFIG_VENC_IDR_PERIOD;
 656         idrp.idr_period = ctr->gop_size;
 657         ret = hfi_session_set_property(inst, ptype, &idrp);
 658         if (ret)
 659                 return ret;
 660
 661         if (ctr->num_b_frames) {
 662                 u32 max_num_b_frames = NUM_B_FRAMES_MAX;
 663
 664                 ptype = HFI_PROPERTY_PARAM_VENC_MAX_NUM_B_FRAMES;
 665                 ret = hfi_session_set_property(inst, ptype, &max_num_b_frames);
 666                 if (ret)
 667                         return ret;
 668         }
 669
 670         /* intra_period = pframes + bframes + 1 */
 671         if (!ctr->num_p_frames)
 672                 ctr->num_p_frames = 2 * 15 - 1,
 673
 674         ptype = HFI_PROPERTY_CONFIG_VENC_INTRA_PERIOD;
 675         intra_period.pframes = ctr->num_p_frames;
 676         intra_period.bframes = ctr->num_b_frames;
 677
 678         ret = hfi_session_set_property(inst, ptype, &intra_period);
 679         if (ret)
 680                 return ret;
 681
 682         if (ctr->bitrate_mode == V4L2_MPEG_VIDEO_BITRATE_MODE_VBR)
 683                 rate_control = HFI_RATE_CONTROL_VBR_CFR;
 684         else
 685                 rate_control = HFI_RATE_CONTROL_CBR_CFR;
 686
 687         ptype = HFI_PROPERTY_PARAM_VENC_RATE_CONTROL;
 688         ret = hfi_session_set_property(inst, ptype, &rate_control);
 689         if (ret)
 690                 return ret;
 691
 692         if (!ctr->bitrate)
 693                 bitrate = 64000;
 694         else
 695                 bitrate = ctr->bitrate;
 696
 697         ptype = HFI_PROPERTY_CONFIG_VENC_TARGET_BITRATE;
 698         brate.bitrate = bitrate;
 699         brate.layer_id = 0;
 700
 701         ret = hfi_session_set_property(inst, ptype, &brate);
 702         if (ret)
 703                 return ret;
 704
 705         if (!ctr->bitrate_peak)
 706                 bitrate *= 2;
 707         else
 708                 bitrate = ctr->bitrate_peak;
 709
 710         ptype = HFI_PROPERTY_CONFIG_VENC_MAX_BITRATE;
 711         brate.bitrate = bitrate;
 712         brate.layer_id = 0;
 713
 714         ret = hfi_session_set_property(inst, ptype, &brate);
 715         if (ret)
 716                 return ret;
 717
 718         if (inst->fmt_cap->pixfmt == V4L2_PIX_FMT_H264) {
 719                 profile = venc_v4l2_to_hfi(V4L2_CID_MPEG_VIDEO_H264_PROFILE,
 720                                            ctr->profile.h264);
 721                 level = venc_v4l2_to_hfi(V4L2_CID_MPEG_VIDEO_H264_LEVEL,
 722                                          ctr->level.h264);
 723         } else if (inst->fmt_cap->pixfmt == V4L2_PIX_FMT_VP8) {
 724                 profile = venc_v4l2_to_hfi(V4L2_CID_MPEG_VIDEO_VPX_PROFILE,
 725                                            ctr->profile.vpx);
 726                 level = 0;
 727         } else if (inst->fmt_cap->pixfmt == V4L2_PIX_FMT_MPEG4) {
 728                 profile = venc_v4l2_to_hfi(V4L2_CID_MPEG_VIDEO_MPEG4_PROFILE,
 729                                            ctr->profile.mpeg4);
 730                 level = venc_v4l2_to_hfi(V4L2_CID_MPEG_VIDEO_MPEG4_LEVEL,
 731                                          ctr->level.mpeg4);
 732         } else if (inst->fmt_cap->pixfmt == V4L2_PIX_FMT_H263) {
 733                 profile = 0;
 734                 level = 0;
 735         }
 736
 737         ptype = HFI_PROPERTY_PARAM_PROFILE_LEVEL_CURRENT;
 738         pl.profile = profile;
 739         pl.level = level;
 740
 741         ret = hfi_session_set_property(inst, ptype, &pl);
 742         if (ret)
 743                 return ret;
 744
 745         return 0;
 746 }
 747
 748 static int venc_init_session(struct venus_inst *inst)
 749 {
 750         int ret;
 751
 752         ret = hfi_session_init(inst, inst->fmt_cap->pixfmt);
 753         if (ret)
 754                 return ret;
 755
 756         ret = venus_helper_set_input_resolution(inst, inst->width,
 757                                                 inst->height);
 758         if (ret)
 759                 goto deinit;
 760
 761         ret = venus_helper_set_output_resolution(inst, inst->width,
 762                                                  inst->height);
 763         if (ret)
 764                 goto deinit;
 765
 766         ret = venus_helper_set_color_format(inst, inst->fmt_out->pixfmt);
 767         if (ret)
 768                 goto deinit;
 769
 770         return 0;
 771 deinit:
 772         hfi_session_deinit(inst);
 773         return ret;
 774 }
 775
 776 static int venc_out_num_buffers(struct venus_inst *inst, unsigned int *num)
 777 {
 778         struct hfi_buffer_requirements bufreq;
 779         int ret;
 780
 781         ret = venc_init_session(inst);
 782         if (ret)
 783                 return ret;
 784
 785         ret = venus_helper_get_bufreq(inst, HFI_BUFFER_INPUT, &bufreq);
 786
 787         *num = bufreq.count_actual;
 788
 789         hfi_session_deinit(inst);
 790
 791         return ret;
 792 }
 793
 794 static int venc_queue_setup(struct vb2_queue *q,
 795                             unsigned int *num_buffers, unsigned int *num_planes,
 796                             unsigned int sizes[], struct device *alloc_devs[])
 797 {
 798         struct venus_inst *inst = vb2_get_drv_priv(q);
 799         unsigned int p, num, min = 4;
 800         int ret = 0;
 801
 802         if (*num_planes) {
 803                 if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE &&
 804                     *num_planes != inst->fmt_out->num_planes)
 805                         return -EINVAL;
 806
 807                 if (q->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE &&
 808                     *num_planes != inst->fmt_cap->num_planes)
 809                         return -EINVAL;
 810
 811                 if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE &&
 812                     sizes[0] < inst->input_buf_size)
 813                         return -EINVAL;
 814
 815                 if (q->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE &&
 816                     sizes[0] < inst->output_buf_size)
 817                         return -EINVAL;
 818
 819                 return 0;
 820         }
 821
 822         switch (q->type) {
 823         case V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE:
 824                 *num_planes = inst->fmt_out->num_planes;
 825
 826                 ret = venc_out_num_buffers(inst, &num);
 827                 if (ret)
 828                         break;
 829
 830                 num = max(num, min);
 831                 *num_buffers = max(*num_buffers, num);
 832                 inst->num_input_bufs = *num_buffers;
 833
 834                 for (p = 0; p < *num_planes; ++p)
 835                         sizes[p] = get_framesize_uncompressed(p, inst->width,
 836                                                               inst->height);
 837                 inst->input_buf_size = sizes[0];
 838                 break;
 839         case V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE:
 840                 *num_planes = inst->fmt_cap->num_planes;
 841                 *num_buffers = max(*num_buffers, min);
 842                 inst->num_output_bufs = *num_buffers;
 843                 sizes[0] = get_framesize_compressed(inst->width, inst->height);
 844                 inst->output_buf_size = sizes[0];
 845                 break;
 846         default:
 847                 ret = -EINVAL;
 848                 break;
 849         }
 850
 851         return ret;
 852 }
 853
 854 static int venc_verify_conf(struct venus_inst *inst)
 855 {
 856         struct hfi_buffer_requirements bufreq;
 857         int ret;
 858
 859         if (!inst->num_input_bufs || !inst->num_output_bufs)
 860                 return -EINVAL;
 861
 862         ret = venus_helper_get_bufreq(inst, HFI_BUFFER_OUTPUT, &bufreq);
 863         if (ret)
 864                 return ret;
 865
 866         if (inst->num_output_bufs < bufreq.count_actual ||
 867             inst->num_output_bufs < bufreq.count_min)
 868                 return -EINVAL;
 869
 870         ret = venus_helper_get_bufreq(inst, HFI_BUFFER_INPUT, &bufreq);
 871         if (ret)
 872                 return ret;
 873
 874         if (inst->num_input_bufs < bufreq.count_actual ||
 875             inst->num_input_bufs < bufreq.count_min)
 876                 return -EINVAL;
 877
 878         return 0;
 879 }
 880
 881 static int venc_start_streaming(struct vb2_queue *q, unsigned int count)
 882 {
 883         struct venus_inst *inst = vb2_get_drv_priv(q);
 884         int ret;
 885
 886         mutex_lock(&inst->lock);
 887
 888         if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
 889                 inst->streamon_out = 1;
 890         else
 891                 inst->streamon_cap = 1;
 892
 893         if (!(inst->streamon_out & inst->streamon_cap)) {
 894                 mutex_unlock(&inst->lock);
 895                 return 0;
 896         }
 897
 898         venus_helper_init_instance(inst);
 899
 900         inst->sequence_cap = 0;
 901         inst->sequence_out = 0;
 902
 903         ret = venc_init_session(inst);
 904         if (ret)
 905                 goto bufs_done;
 906
 907         ret = venc_set_properties(inst);
 908         if (ret)
 909                 goto deinit_sess;
 910
 911         ret = venc_verify_conf(inst);
 912         if (ret)
 913                 goto deinit_sess;
 914
 915         ret = venus_helper_set_num_bufs(inst, inst->num_input_bufs,
 916                                         inst->num_output_bufs);
 917         if (ret)
 918                 goto deinit_sess;
 919
 920         ret = venus_helper_vb2_start_streaming(inst);
 921         if (ret)
 922                 goto deinit_sess;
 923
 924         mutex_unlock(&inst->lock);
 925
 926         return 0;
 927
 928 deinit_sess:
 929         hfi_session_deinit(inst);
 930 bufs_done:
 931         venus_helper_buffers_done(inst, VB2_BUF_STATE_QUEUED);
 932         if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
 933                 inst->streamon_out = 0;
 934         else
 935                 inst->streamon_cap = 0;
 936         mutex_unlock(&inst->lock);
 937         return ret;
 938 }
 939
 940 static const struct vb2_ops venc_vb2_ops = {
 941         .queue_setup = venc_queue_setup,
 942         .buf_init = venus_helper_vb2_buf_init,
 943         .buf_prepare = venus_helper_vb2_buf_prepare,
 944         .start_streaming = venc_start_streaming,
 945         .stop_streaming = venus_helper_vb2_stop_streaming,
 946         .buf_queue = venus_helper_vb2_buf_queue,
 947 };
 948
 949 static void venc_buf_done(struct venus_inst *inst, unsigned int buf_type,
 950                           u32 tag, u32 bytesused, u32 data_offset, u32 flags,
 951                           u32 hfi_flags, u64 timestamp_us)
 952 {
 953         struct vb2_v4l2_buffer *vbuf;
 954         struct vb2_buffer *vb;
 955         unsigned int type;
 956
 957         if (buf_type == HFI_BUFFER_INPUT)
 958                 type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE;
 959         else
 960                 type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE;
 961
 962         vbuf = venus_helper_find_buf(inst, type, tag);
 963         if (!vbuf)
 964                 return;
 965
 966         vbuf->flags = flags;
 967
 968         if (type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
 969                 vb = &vbuf->vb2_buf;
 970                 vb2_set_plane_payload(vb, 0, bytesused + data_offset);
 971                 vb->planes[0].data_offset = data_offset;
 972                 vb->timestamp = timestamp_us * NSEC_PER_USEC;
 973                 vbuf->sequence = inst->sequence_cap++;
 974         } else {
 975                 vbuf->sequence = inst->sequence_out++;
 976         }
 977
 978         v4l2_m2m_buf_done(vbuf, VB2_BUF_STATE_DONE);
 979 }
 980
 981 static void venc_event_notify(struct venus_inst *inst, u32 event,
 982                               struct hfi_event_data *data)
 983 {
 984         struct device *dev = inst->core->dev_enc;
 985
 986         if (event == EVT_SESSION_ERROR) {
 987                 inst->session_error = true;
 988                 dev_err(dev, "enc: event session error %x\n", inst->error);
 989         }
 990 }
 991
 992 static const struct hfi_inst_ops venc_hfi_ops = {
 993         .buf_done = venc_buf_done,
 994         .event_notify = venc_event_notify,
 995 };
 996
 997 static const struct v4l2_m2m_ops venc_m2m_ops = {
 998         .device_run = venus_helper_m2m_device_run,
 999         .job_abort = venus_helper_m2m_job_abort,
1000 };
1001
1002 static int m2m_queue_init(void *priv, struct vb2_queue *src_vq,
1003                           struct vb2_queue *dst_vq)
1004 {
1005         struct venus_inst *inst = priv;
1006         int ret;
1007
1008         src_vq->type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE;
1009         src_vq->io_modes = VB2_MMAP | VB2_DMABUF;
1010         src_vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY;
1011         src_vq->ops = &venc_vb2_ops;
1012         src_vq->mem_ops = &vb2_dma_sg_memops;
1013         src_vq->drv_priv = inst;
1014         src_vq->buf_struct_size = sizeof(struct venus_buffer);
1015         src_vq->allow_zero_bytesused = 1;
1016         src_vq->min_buffers_needed = 1;
1017         src_vq->dev = inst->core->dev;
1018         if (inst->core->res->hfi_version == HFI_VERSION_1XX)
1019                 src_vq->bidirectional = 1;
1020         ret = vb2_queue_init(src_vq);
1021         if (ret)
1022                 return ret;
1023
1024         dst_vq->type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE;
1025         dst_vq->io_modes = VB2_MMAP | VB2_DMABUF;
1026         dst_vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY;
1027         dst_vq->ops = &venc_vb2_ops;
1028         dst_vq->mem_ops = &vb2_dma_sg_memops;
1029         dst_vq->drv_priv = inst;
1030         dst_vq->buf_struct_size = sizeof(struct venus_buffer);
1031         dst_vq->allow_zero_bytesused = 1;
1032         dst_vq->min_buffers_needed = 1;
1033         dst_vq->dev = inst->core->dev;
1034         ret = vb2_queue_init(dst_vq);
1035         if (ret) {
1036                 vb2_queue_release(src_vq);
1037                 return ret;
1038         }
1039
1040         return 0;
1041 }
1042
1043 static void venc_inst_init(struct venus_inst *inst)
1044 {
1045         inst->fmt_cap = &venc_formats[2];
1046         inst->fmt_out = &venc_formats[0];
1047         inst->width = 1280;
1048         inst->height = ALIGN(720, 32);
1049         inst->out_width = 1280;
1050         inst->out_height = 720;
1051         inst->fps = 15;
1052         inst->timeperframe.numerator = 1;
1053         inst->timeperframe.denominator = 15;
1054
1055         inst->cap_width.min = 96;
1056         inst->cap_width.max = 1920;
1057         if (inst->core->res->hfi_version == HFI_VERSION_3XX)
1058                 inst->cap_width.max = 3840;
1059         inst->cap_width.step_size = 2;
1060         inst->cap_height.min = 64;
1061         inst->cap_height.max = ALIGN(1080, 32);
1062         if (inst->core->res->hfi_version == HFI_VERSION_3XX)
1063                 inst->cap_height.max = ALIGN(2160, 32);
1064         inst->cap_height.step_size = 2;
1065         inst->cap_framerate.min = 1;
1066         inst->cap_framerate.max = 30;
1067         inst->cap_framerate.step_size = 1;
1068         inst->cap_mbs_per_frame.min = 24;
1069         inst->cap_mbs_per_frame.max = 8160;
1070 }
1071
1072 static int venc_open(struct file *file)
1073 {
1074         struct venus_core *core = video_drvdata(file);
1075         struct venus_inst *inst;
1076         int ret;
1077
1078         inst = kzalloc(sizeof(*inst), GFP_KERNEL);
1079         if (!inst)
1080                 return -ENOMEM;
1081
1082         INIT_LIST_HEAD(&inst->registeredbufs);
1083         INIT_LIST_HEAD(&inst->internalbufs);
1084         INIT_LIST_HEAD(&inst->list);
1085         mutex_init(&inst->lock);
1086
1087         inst->core = core;
1088         inst->session_type = VIDC_SESSION_TYPE_ENC;
1089
1090         venus_helper_init_instance(inst);
1091
1092         ret = pm_runtime_get_sync(core->dev_enc);
1093         if (ret < 0)
1094                 goto err_free_inst;
1095
1096         ret = venc_ctrl_init(inst);
1097         if (ret)
1098                 goto err_put_sync;
1099
1100         ret = hfi_session_create(inst, &venc_hfi_ops);
1101         if (ret)
1102                 goto err_ctrl_deinit;
1103
1104         venc_inst_init(inst);
1105
1106         /*
1107          * create m2m device for every instance, the m2m context scheduling
1108          * is made by firmware side so we do not need to care about.
1109          */
1110         inst->m2m_dev = v4l2_m2m_init(&venc_m2m_ops);
1111         if (IS_ERR(inst->m2m_dev)) {
1112                 ret = PTR_ERR(inst->m2m_dev);
1113                 goto err_session_destroy;
1114         }
1115
1116         inst->m2m_ctx = v4l2_m2m_ctx_init(inst->m2m_dev, inst, m2m_queue_init);
1117         if (IS_ERR(inst->m2m_ctx)) {
1118                 ret = PTR_ERR(inst->m2m_ctx);
1119                 goto err_m2m_release;
1120         }
1121
1122         v4l2_fh_init(&inst->fh, core->vdev_enc);
1123
1124         inst->fh.ctrl_handler = &inst->ctrl_handler;
1125         v4l2_fh_add(&inst->fh);
1126         inst->fh.m2m_ctx = inst->m2m_ctx;
1127         file->private_data = &inst->fh;
1128
1129         return 0;
1130
1131 err_m2m_release:
1132         v4l2_m2m_release(inst->m2m_dev);
1133 err_session_destroy:
1134         hfi_session_destroy(inst);
1135 err_ctrl_deinit:
1136         venc_ctrl_deinit(inst);
1137 err_put_sync:
1138         pm_runtime_put_sync(core->dev_enc);
1139 err_free_inst:
1140         kfree(inst);
1141         return ret;
1142 }
1143
1144 static int venc_close(struct file *file)
1145 {
1146         struct venus_inst *inst = to_inst(file);
1147
1148         v4l2_m2m_ctx_release(inst->m2m_ctx);
1149         v4l2_m2m_release(inst->m2m_dev);
1150         venc_ctrl_deinit(inst);
1151         hfi_session_destroy(inst);
1152         mutex_destroy(&inst->lock);
1153         v4l2_fh_del(&inst->fh);
1154         v4l2_fh_exit(&inst->fh);
1155
1156         pm_runtime_put_sync(inst->core->dev_enc);
1157
1158         kfree(inst);
1159         return 0;
1160 }
1161
1162 static const struct v4l2_file_operations venc_fops = {
1163         .owner = THIS_MODULE,
1164         .open = venc_open,
1165         .release = venc_close,
1166         .unlocked_ioctl = video_ioctl2,
1167         .poll = v4l2_m2m_fop_poll,
1168         .mmap = v4l2_m2m_fop_mmap,
1169 #ifdef CONFIG_COMPAT
1170         .compat_ioctl32 = v4l2_compat_ioctl32,
1171 #endif
1172 };
1173
1174 static int venc_probe(struct platform_device *pdev)
1175 {
1176         struct device *dev = &pdev->dev;
1177         struct video_device *vdev;
1178         struct venus_core *core;
1179         int ret;
1180
1181         if (!dev->parent)
1182                 return -EPROBE_DEFER;
1183
1184         core = dev_get_drvdata(dev->parent);
1185         if (!core)
1186                 return -EPROBE_DEFER;
1187
1188         if (core->res->hfi_version == HFI_VERSION_3XX) {
1189                 core->core1_clk = devm_clk_get(dev, "core");
1190                 if (IS_ERR(core->core1_clk))
1191                         return PTR_ERR(core->core1_clk);
1192         }
1193
1194         platform_set_drvdata(pdev, core);
1195
1196         vdev = video_device_alloc();
1197         if (!vdev)
1198                 return -ENOMEM;
1199
1200         strlcpy(vdev->name, "qcom-venus-encoder", sizeof(vdev->name));
1201         vdev->release = video_device_release;
1202         vdev->fops = &venc_fops;
1203         vdev->ioctl_ops = &venc_ioctl_ops;
1204         vdev->vfl_dir = VFL_DIR_M2M;
1205         vdev->v4l2_dev = &core->v4l2_dev;
1206         vdev->device_caps = V4L2_CAP_VIDEO_M2M_MPLANE | V4L2_CAP_STREAMING;
1207
1208         ret = video_register_device(vdev, VFL_TYPE_GRABBER, -1);
1209         if (ret)
1210                 goto err_vdev_release;
1211
1212         core->vdev_enc = vdev;
1213         core->dev_enc = dev;
1214
1215         video_set_drvdata(vdev, core);
1216         pm_runtime_enable(dev);
1217
1218         return 0;
1219
1220 err_vdev_release:
1221         video_device_release(vdev);
1222         return ret;
1223 }
1224
1225 static int venc_remove(struct platform_device *pdev)
1226 {
1227         struct venus_core *core = dev_get_drvdata(pdev->dev.parent);
1228
1229         video_unregister_device(core->vdev_enc);
1230         pm_runtime_disable(core->dev_enc);
1231
1232         return 0;
1233 }
1234
1235 static __maybe_unused int venc_runtime_suspend(struct device *dev)
1236 {
1237         struct venus_core *core = dev_get_drvdata(dev);
1238
1239         if (core->res->hfi_version == HFI_VERSION_1XX)
1240                 return 0;
1241
1242         writel(0, core->base + WRAPPER_VENC_VCODEC_POWER_CONTROL);
1243         clk_disable_unprepare(core->core1_clk);
1244         writel(1, core->base + WRAPPER_VENC_VCODEC_POWER_CONTROL);
1245
1246         return 0;
1247 }
1248
1249 static __maybe_unused int venc_runtime_resume(struct device *dev)
1250 {
1251         struct venus_core *core = dev_get_drvdata(dev);
1252         int ret;
1253
1254         if (core->res->hfi_version == HFI_VERSION_1XX)
1255                 return 0;
1256
1257         writel(0, core->base + WRAPPER_VENC_VCODEC_POWER_CONTROL);
1258         ret = clk_prepare_enable(core->core1_clk);
1259         writel(1, core->base + WRAPPER_VENC_VCODEC_POWER_CONTROL);
1260
1261         return ret;
1262 }
1263
1264 static const struct dev_pm_ops venc_pm_ops = {
1265         SET_SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend,
1266                                 pm_runtime_force_resume)
1267         SET_RUNTIME_PM_OPS(venc_runtime_suspend, venc_runtime_resume, NULL)
1268 };
1269
1270 static const struct of_device_id venc_dt_match[] = {
1271         { .compatible = "venus-encoder" },
1272         { }
1273 };
1274 MODULE_DEVICE_TABLE(of, venc_dt_match);
1275
1276 static struct platform_driver qcom_venus_enc_driver = {
1277         .probe = venc_probe,
1278         .remove = venc_remove,
1279         .driver = {
1280                 .name = "qcom-venus-encoder",
1281                 .of_match_table = venc_dt_match,
1282                 .pm = &venc_pm_ops,
1283         },
1284 };
1285 module_platform_driver(qcom_venus_enc_driver);
1286
1287 MODULE_ALIAS("platform:qcom-venus-encoder");
1288 MODULE_DESCRIPTION("Qualcomm Venus video encoder driver");
1289 MODULE_LICENSE("GPL v2");