linux/drivers/media/platform/qcom/venus/venc.c
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   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 */
  33static 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
  61static const struct venus_format *
  62find_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
  83static const struct venus_format *
  84find_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
 112static 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
 264static int
 265venc_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
 274static 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
 291static const struct venus_format *
 292venc_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        u32 sizeimage;
 298
 299        memset(pfmt[0].reserved, 0, sizeof(pfmt[0].reserved));
 300        memset(pixmp->reserved, 0, sizeof(pixmp->reserved));
 301
 302        fmt = find_format(inst, pixmp->pixelformat, f->type);
 303        if (!fmt) {
 304                if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE)
 305                        pixmp->pixelformat = V4L2_PIX_FMT_H264;
 306                else if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
 307                        pixmp->pixelformat = V4L2_PIX_FMT_NV12;
 308                else
 309                        return NULL;
 310                fmt = find_format(inst, pixmp->pixelformat, f->type);
 311        }
 312
 313        pixmp->width = clamp(pixmp->width, frame_width_min(inst),
 314                             frame_width_max(inst));
 315        pixmp->height = clamp(pixmp->height, frame_height_min(inst),
 316                              frame_height_max(inst));
 317
 318        if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
 319                pixmp->height = ALIGN(pixmp->height, 32);
 320
 321        pixmp->width = ALIGN(pixmp->width, 2);
 322        pixmp->height = ALIGN(pixmp->height, 2);
 323
 324        if (pixmp->field == V4L2_FIELD_ANY)
 325                pixmp->field = V4L2_FIELD_NONE;
 326        pixmp->num_planes = fmt->num_planes;
 327        pixmp->flags = 0;
 328
 329        sizeimage = venus_helper_get_framesz(pixmp->pixelformat,
 330                                             pixmp->width,
 331                                             pixmp->height);
 332        pfmt[0].sizeimage = max(ALIGN(pfmt[0].sizeimage, SZ_4K), sizeimage);
 333
 334        if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
 335                pfmt[0].bytesperline = ALIGN(pixmp->width, 128);
 336        else
 337                pfmt[0].bytesperline = 0;
 338
 339        return fmt;
 340}
 341
 342static int venc_try_fmt(struct file *file, void *fh, struct v4l2_format *f)
 343{
 344        struct venus_inst *inst = to_inst(file);
 345
 346        venc_try_fmt_common(inst, f);
 347
 348        return 0;
 349}
 350
 351static int venc_s_fmt(struct file *file, void *fh, struct v4l2_format *f)
 352{
 353        struct venus_inst *inst = to_inst(file);
 354        struct v4l2_pix_format_mplane *pixmp = &f->fmt.pix_mp;
 355        struct v4l2_pix_format_mplane orig_pixmp;
 356        const struct venus_format *fmt;
 357        struct v4l2_format format;
 358        u32 pixfmt_out = 0, pixfmt_cap = 0;
 359
 360        orig_pixmp = *pixmp;
 361
 362        fmt = venc_try_fmt_common(inst, f);
 363        if (!fmt)
 364                return -EINVAL;
 365
 366        if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
 367                pixfmt_out = pixmp->pixelformat;
 368                pixfmt_cap = inst->fmt_cap->pixfmt;
 369        } else if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
 370                pixfmt_cap = pixmp->pixelformat;
 371                pixfmt_out = inst->fmt_out->pixfmt;
 372        }
 373
 374        memset(&format, 0, sizeof(format));
 375
 376        format.type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE;
 377        format.fmt.pix_mp.pixelformat = pixfmt_out;
 378        format.fmt.pix_mp.width = orig_pixmp.width;
 379        format.fmt.pix_mp.height = orig_pixmp.height;
 380        venc_try_fmt_common(inst, &format);
 381
 382        if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
 383                inst->out_width = format.fmt.pix_mp.width;
 384                inst->out_height = format.fmt.pix_mp.height;
 385                inst->colorspace = pixmp->colorspace;
 386                inst->ycbcr_enc = pixmp->ycbcr_enc;
 387                inst->quantization = pixmp->quantization;
 388                inst->xfer_func = pixmp->xfer_func;
 389        }
 390
 391        memset(&format, 0, sizeof(format));
 392
 393        format.type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE;
 394        format.fmt.pix_mp.pixelformat = pixfmt_cap;
 395        format.fmt.pix_mp.width = orig_pixmp.width;
 396        format.fmt.pix_mp.height = orig_pixmp.height;
 397        venc_try_fmt_common(inst, &format);
 398
 399        inst->width = format.fmt.pix_mp.width;
 400        inst->height = format.fmt.pix_mp.height;
 401
 402        if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
 403                inst->fmt_out = fmt;
 404        else if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
 405                inst->fmt_cap = fmt;
 406                inst->output_buf_size = pixmp->plane_fmt[0].sizeimage;
 407        }
 408
 409        return 0;
 410}
 411
 412static int venc_g_fmt(struct file *file, void *fh, struct v4l2_format *f)
 413{
 414        struct v4l2_pix_format_mplane *pixmp = &f->fmt.pix_mp;
 415        struct venus_inst *inst = to_inst(file);
 416        const struct venus_format *fmt;
 417
 418        if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE)
 419                fmt = inst->fmt_cap;
 420        else if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
 421                fmt = inst->fmt_out;
 422        else
 423                return -EINVAL;
 424
 425        pixmp->pixelformat = fmt->pixfmt;
 426
 427        if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
 428                pixmp->width = inst->width;
 429                pixmp->height = inst->height;
 430                pixmp->colorspace = inst->colorspace;
 431                pixmp->ycbcr_enc = inst->ycbcr_enc;
 432                pixmp->quantization = inst->quantization;
 433                pixmp->xfer_func = inst->xfer_func;
 434        } else if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
 435                pixmp->width = inst->out_width;
 436                pixmp->height = inst->out_height;
 437        }
 438
 439        venc_try_fmt_common(inst, f);
 440
 441        return 0;
 442}
 443
 444static int
 445venc_g_selection(struct file *file, void *fh, struct v4l2_selection *s)
 446{
 447        struct venus_inst *inst = to_inst(file);
 448
 449        if (s->type != V4L2_BUF_TYPE_VIDEO_OUTPUT)
 450                return -EINVAL;
 451
 452        switch (s->target) {
 453        case V4L2_SEL_TGT_CROP_DEFAULT:
 454        case V4L2_SEL_TGT_CROP_BOUNDS:
 455                s->r.width = inst->width;
 456                s->r.height = inst->height;
 457                break;
 458        case V4L2_SEL_TGT_CROP:
 459                s->r.width = inst->out_width;
 460                s->r.height = inst->out_height;
 461                break;
 462        default:
 463                return -EINVAL;
 464        }
 465
 466        s->r.top = 0;
 467        s->r.left = 0;
 468
 469        return 0;
 470}
 471
 472static int
 473venc_s_selection(struct file *file, void *fh, struct v4l2_selection *s)
 474{
 475        struct venus_inst *inst = to_inst(file);
 476
 477        if (s->type != V4L2_BUF_TYPE_VIDEO_OUTPUT)
 478                return -EINVAL;
 479
 480        switch (s->target) {
 481        case V4L2_SEL_TGT_CROP:
 482                if (s->r.width != inst->out_width ||
 483                    s->r.height != inst->out_height ||
 484                    s->r.top != 0 || s->r.left != 0)
 485                        return -EINVAL;
 486                break;
 487        default:
 488                return -EINVAL;
 489        }
 490
 491        return 0;
 492}
 493
 494static int venc_s_parm(struct file *file, void *fh, struct v4l2_streamparm *a)
 495{
 496        struct venus_inst *inst = to_inst(file);
 497        struct v4l2_outputparm *out = &a->parm.output;
 498        struct v4l2_fract *timeperframe = &out->timeperframe;
 499        u64 us_per_frame, fps;
 500
 501        if (a->type != V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE &&
 502            a->type != V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
 503                return -EINVAL;
 504
 505        memset(out->reserved, 0, sizeof(out->reserved));
 506
 507        if (!timeperframe->denominator)
 508                timeperframe->denominator = inst->timeperframe.denominator;
 509        if (!timeperframe->numerator)
 510                timeperframe->numerator = inst->timeperframe.numerator;
 511
 512        out->capability = V4L2_CAP_TIMEPERFRAME;
 513
 514        us_per_frame = timeperframe->numerator * (u64)USEC_PER_SEC;
 515        do_div(us_per_frame, timeperframe->denominator);
 516
 517        if (!us_per_frame)
 518                return -EINVAL;
 519
 520        fps = (u64)USEC_PER_SEC;
 521        do_div(fps, us_per_frame);
 522
 523        inst->timeperframe = *timeperframe;
 524        inst->fps = fps;
 525
 526        return 0;
 527}
 528
 529static int venc_g_parm(struct file *file, void *fh, struct v4l2_streamparm *a)
 530{
 531        struct venus_inst *inst = to_inst(file);
 532
 533        if (a->type != V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE &&
 534            a->type != V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
 535                return -EINVAL;
 536
 537        a->parm.output.capability |= V4L2_CAP_TIMEPERFRAME;
 538        a->parm.output.timeperframe = inst->timeperframe;
 539
 540        return 0;
 541}
 542
 543static int venc_enum_framesizes(struct file *file, void *fh,
 544                                struct v4l2_frmsizeenum *fsize)
 545{
 546        struct venus_inst *inst = to_inst(file);
 547        const struct venus_format *fmt;
 548
 549        fsize->type = V4L2_FRMSIZE_TYPE_STEPWISE;
 550
 551        fmt = find_format(inst, fsize->pixel_format,
 552                          V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE);
 553        if (!fmt) {
 554                fmt = find_format(inst, fsize->pixel_format,
 555                                  V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE);
 556                if (!fmt)
 557                        return -EINVAL;
 558        }
 559
 560        if (fsize->index)
 561                return -EINVAL;
 562
 563        fsize->stepwise.min_width = frame_width_min(inst);
 564        fsize->stepwise.max_width = frame_width_max(inst);
 565        fsize->stepwise.step_width = frame_width_step(inst);
 566        fsize->stepwise.min_height = frame_height_min(inst);
 567        fsize->stepwise.max_height = frame_height_max(inst);
 568        fsize->stepwise.step_height = frame_height_step(inst);
 569
 570        return 0;
 571}
 572
 573static int venc_enum_frameintervals(struct file *file, void *fh,
 574                                    struct v4l2_frmivalenum *fival)
 575{
 576        struct venus_inst *inst = to_inst(file);
 577        const struct venus_format *fmt;
 578
 579        fival->type = V4L2_FRMIVAL_TYPE_STEPWISE;
 580
 581        fmt = find_format(inst, fival->pixel_format,
 582                          V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE);
 583        if (!fmt) {
 584                fmt = find_format(inst, fival->pixel_format,
 585                                  V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE);
 586                if (!fmt)
 587                        return -EINVAL;
 588        }
 589
 590        if (fival->index)
 591                return -EINVAL;
 592
 593        if (!fival->width || !fival->height)
 594                return -EINVAL;
 595
 596        if (fival->width > frame_width_max(inst) ||
 597            fival->width < frame_width_min(inst) ||
 598            fival->height > frame_height_max(inst) ||
 599            fival->height < frame_height_min(inst))
 600                return -EINVAL;
 601
 602        fival->stepwise.min.numerator = 1;
 603        fival->stepwise.min.denominator = frate_max(inst);
 604        fival->stepwise.max.numerator = 1;
 605        fival->stepwise.max.denominator = frate_min(inst);
 606        fival->stepwise.step.numerator = 1;
 607        fival->stepwise.step.denominator = frate_max(inst);
 608
 609        return 0;
 610}
 611
 612static const struct v4l2_ioctl_ops venc_ioctl_ops = {
 613        .vidioc_querycap = venc_querycap,
 614        .vidioc_enum_fmt_vid_cap = venc_enum_fmt,
 615        .vidioc_enum_fmt_vid_out = venc_enum_fmt,
 616        .vidioc_s_fmt_vid_cap_mplane = venc_s_fmt,
 617        .vidioc_s_fmt_vid_out_mplane = venc_s_fmt,
 618        .vidioc_g_fmt_vid_cap_mplane = venc_g_fmt,
 619        .vidioc_g_fmt_vid_out_mplane = venc_g_fmt,
 620        .vidioc_try_fmt_vid_cap_mplane = venc_try_fmt,
 621        .vidioc_try_fmt_vid_out_mplane = venc_try_fmt,
 622        .vidioc_g_selection = venc_g_selection,
 623        .vidioc_s_selection = venc_s_selection,
 624        .vidioc_reqbufs = v4l2_m2m_ioctl_reqbufs,
 625        .vidioc_querybuf = v4l2_m2m_ioctl_querybuf,
 626        .vidioc_create_bufs = v4l2_m2m_ioctl_create_bufs,
 627        .vidioc_prepare_buf = v4l2_m2m_ioctl_prepare_buf,
 628        .vidioc_qbuf = v4l2_m2m_ioctl_qbuf,
 629        .vidioc_expbuf = v4l2_m2m_ioctl_expbuf,
 630        .vidioc_dqbuf = v4l2_m2m_ioctl_dqbuf,
 631        .vidioc_streamon = v4l2_m2m_ioctl_streamon,
 632        .vidioc_streamoff = v4l2_m2m_ioctl_streamoff,
 633        .vidioc_s_parm = venc_s_parm,
 634        .vidioc_g_parm = venc_g_parm,
 635        .vidioc_enum_framesizes = venc_enum_framesizes,
 636        .vidioc_enum_frameintervals = venc_enum_frameintervals,
 637        .vidioc_subscribe_event = v4l2_ctrl_subscribe_event,
 638        .vidioc_unsubscribe_event = v4l2_event_unsubscribe,
 639};
 640
 641static int venc_set_properties(struct venus_inst *inst)
 642{
 643        struct venc_controls *ctr = &inst->controls.enc;
 644        struct hfi_intra_period intra_period;
 645        struct hfi_profile_level pl;
 646        struct hfi_framerate frate;
 647        struct hfi_bitrate brate;
 648        struct hfi_idr_period idrp;
 649        struct hfi_quantization quant;
 650        struct hfi_quantization_range quant_range;
 651        u32 ptype, rate_control, bitrate, profile = 0, level = 0;
 652        int ret;
 653
 654        ret = venus_helper_set_work_mode(inst, VIDC_WORK_MODE_2);
 655        if (ret)
 656                return ret;
 657
 658        ret = venus_helper_set_core_usage(inst, VIDC_CORE_ID_2);
 659        if (ret)
 660                return ret;
 661
 662        ptype = HFI_PROPERTY_CONFIG_FRAME_RATE;
 663        frate.buffer_type = HFI_BUFFER_OUTPUT;
 664        frate.framerate = inst->fps * (1 << 16);
 665
 666        ret = hfi_session_set_property(inst, ptype, &frate);
 667        if (ret)
 668                return ret;
 669
 670        if (inst->fmt_cap->pixfmt == V4L2_PIX_FMT_H264) {
 671                struct hfi_h264_vui_timing_info info;
 672                struct hfi_h264_entropy_control entropy;
 673                struct hfi_h264_db_control deblock;
 674
 675                ptype = HFI_PROPERTY_PARAM_VENC_H264_VUI_TIMING_INFO;
 676                info.enable = 1;
 677                info.fixed_framerate = 1;
 678                info.time_scale = NSEC_PER_SEC;
 679
 680                ret = hfi_session_set_property(inst, ptype, &info);
 681                if (ret)
 682                        return ret;
 683
 684                ptype = HFI_PROPERTY_PARAM_VENC_H264_ENTROPY_CONTROL;
 685                entropy.entropy_mode = venc_v4l2_to_hfi(
 686                                          V4L2_CID_MPEG_VIDEO_H264_ENTROPY_MODE,
 687                                          ctr->h264_entropy_mode);
 688                entropy.cabac_model = HFI_H264_CABAC_MODEL_0;
 689
 690                ret = hfi_session_set_property(inst, ptype, &entropy);
 691                if (ret)
 692                        return ret;
 693
 694                ptype = HFI_PROPERTY_PARAM_VENC_H264_DEBLOCK_CONTROL;
 695                deblock.mode = venc_v4l2_to_hfi(
 696                                      V4L2_CID_MPEG_VIDEO_H264_LOOP_FILTER_MODE,
 697                                      ctr->h264_loop_filter_mode);
 698                deblock.slice_alpha_offset = ctr->h264_loop_filter_alpha;
 699                deblock.slice_beta_offset = ctr->h264_loop_filter_beta;
 700
 701                ret = hfi_session_set_property(inst, ptype, &deblock);
 702                if (ret)
 703                        return ret;
 704        }
 705
 706        /* IDR periodicity, n:
 707         * n = 0 - only the first I-frame is IDR frame
 708         * n = 1 - all I-frames will be IDR frames
 709         * n > 1 - every n-th I-frame will be IDR frame
 710         */
 711        ptype = HFI_PROPERTY_CONFIG_VENC_IDR_PERIOD;
 712        idrp.idr_period = 0;
 713        ret = hfi_session_set_property(inst, ptype, &idrp);
 714        if (ret)
 715                return ret;
 716
 717        if (ctr->num_b_frames) {
 718                u32 max_num_b_frames = NUM_B_FRAMES_MAX;
 719
 720                ptype = HFI_PROPERTY_PARAM_VENC_MAX_NUM_B_FRAMES;
 721                ret = hfi_session_set_property(inst, ptype, &max_num_b_frames);
 722                if (ret)
 723                        return ret;
 724        }
 725
 726        ptype = HFI_PROPERTY_CONFIG_VENC_INTRA_PERIOD;
 727        intra_period.pframes = ctr->num_p_frames;
 728        intra_period.bframes = ctr->num_b_frames;
 729
 730        ret = hfi_session_set_property(inst, ptype, &intra_period);
 731        if (ret)
 732                return ret;
 733
 734        if (ctr->bitrate_mode == V4L2_MPEG_VIDEO_BITRATE_MODE_VBR)
 735                rate_control = HFI_RATE_CONTROL_VBR_CFR;
 736        else
 737                rate_control = HFI_RATE_CONTROL_CBR_CFR;
 738
 739        ptype = HFI_PROPERTY_PARAM_VENC_RATE_CONTROL;
 740        ret = hfi_session_set_property(inst, ptype, &rate_control);
 741        if (ret)
 742                return ret;
 743
 744        if (!ctr->bitrate)
 745                bitrate = 64000;
 746        else
 747                bitrate = ctr->bitrate;
 748
 749        ptype = HFI_PROPERTY_CONFIG_VENC_TARGET_BITRATE;
 750        brate.bitrate = bitrate;
 751        brate.layer_id = 0;
 752
 753        ret = hfi_session_set_property(inst, ptype, &brate);
 754        if (ret)
 755                return ret;
 756
 757        if (!ctr->bitrate_peak)
 758                bitrate *= 2;
 759        else
 760                bitrate = ctr->bitrate_peak;
 761
 762        ptype = HFI_PROPERTY_CONFIG_VENC_MAX_BITRATE;
 763        brate.bitrate = bitrate;
 764        brate.layer_id = 0;
 765
 766        ret = hfi_session_set_property(inst, ptype, &brate);
 767        if (ret)
 768                return ret;
 769
 770        ptype = HFI_PROPERTY_PARAM_VENC_SESSION_QP;
 771        quant.qp_i = ctr->h264_i_qp;
 772        quant.qp_p = ctr->h264_p_qp;
 773        quant.qp_b = ctr->h264_b_qp;
 774        quant.layer_id = 0;
 775        ret = hfi_session_set_property(inst, ptype, &quant);
 776        if (ret)
 777                return ret;
 778
 779        ptype = HFI_PROPERTY_PARAM_VENC_SESSION_QP_RANGE;
 780        quant_range.min_qp = ctr->h264_min_qp;
 781        quant_range.max_qp = ctr->h264_max_qp;
 782        quant_range.layer_id = 0;
 783        ret = hfi_session_set_property(inst, ptype, &quant_range);
 784        if (ret)
 785                return ret;
 786
 787        if (inst->fmt_cap->pixfmt == V4L2_PIX_FMT_H264) {
 788                profile = venc_v4l2_to_hfi(V4L2_CID_MPEG_VIDEO_H264_PROFILE,
 789                                           ctr->profile.h264);
 790                level = venc_v4l2_to_hfi(V4L2_CID_MPEG_VIDEO_H264_LEVEL,
 791                                         ctr->level.h264);
 792        } else if (inst->fmt_cap->pixfmt == V4L2_PIX_FMT_VP8) {
 793                profile = venc_v4l2_to_hfi(V4L2_CID_MPEG_VIDEO_VP8_PROFILE,
 794                                           ctr->profile.vpx);
 795                level = 0;
 796        } else if (inst->fmt_cap->pixfmt == V4L2_PIX_FMT_MPEG4) {
 797                profile = venc_v4l2_to_hfi(V4L2_CID_MPEG_VIDEO_MPEG4_PROFILE,
 798                                           ctr->profile.mpeg4);
 799                level = venc_v4l2_to_hfi(V4L2_CID_MPEG_VIDEO_MPEG4_LEVEL,
 800                                         ctr->level.mpeg4);
 801        } else if (inst->fmt_cap->pixfmt == V4L2_PIX_FMT_H263) {
 802                profile = 0;
 803                level = 0;
 804        } else if (inst->fmt_cap->pixfmt == V4L2_PIX_FMT_HEVC) {
 805                profile = venc_v4l2_to_hfi(V4L2_CID_MPEG_VIDEO_HEVC_PROFILE,
 806                                           ctr->profile.hevc);
 807                level = venc_v4l2_to_hfi(V4L2_CID_MPEG_VIDEO_HEVC_LEVEL,
 808                                         ctr->level.hevc);
 809        }
 810
 811        ptype = HFI_PROPERTY_PARAM_PROFILE_LEVEL_CURRENT;
 812        pl.profile = profile;
 813        pl.level = level;
 814
 815        ret = hfi_session_set_property(inst, ptype, &pl);
 816        if (ret)
 817                return ret;
 818
 819        return 0;
 820}
 821
 822static int venc_init_session(struct venus_inst *inst)
 823{
 824        int ret;
 825
 826        ret = hfi_session_init(inst, inst->fmt_cap->pixfmt);
 827        if (ret)
 828                return ret;
 829
 830        ret = venus_helper_set_input_resolution(inst, inst->width,
 831                                                inst->height);
 832        if (ret)
 833                goto deinit;
 834
 835        ret = venus_helper_set_output_resolution(inst, inst->width,
 836                                                 inst->height,
 837                                                 HFI_BUFFER_OUTPUT);
 838        if (ret)
 839                goto deinit;
 840
 841        ret = venus_helper_set_color_format(inst, inst->fmt_out->pixfmt);
 842        if (ret)
 843                goto deinit;
 844
 845        ret = venus_helper_init_codec_freq_data(inst);
 846        if (ret)
 847                goto deinit;
 848
 849        ret = venc_set_properties(inst);
 850        if (ret)
 851                goto deinit;
 852
 853        return 0;
 854deinit:
 855        hfi_session_deinit(inst);
 856        return ret;
 857}
 858
 859static int venc_out_num_buffers(struct venus_inst *inst, unsigned int *num)
 860{
 861        struct hfi_buffer_requirements bufreq;
 862        int ret;
 863
 864        ret = venc_init_session(inst);
 865        if (ret)
 866                return ret;
 867
 868        ret = venus_helper_get_bufreq(inst, HFI_BUFFER_INPUT, &bufreq);
 869
 870        *num = bufreq.count_actual;
 871
 872        hfi_session_deinit(inst);
 873
 874        return ret;
 875}
 876
 877static int venc_queue_setup(struct vb2_queue *q,
 878                            unsigned int *num_buffers, unsigned int *num_planes,
 879                            unsigned int sizes[], struct device *alloc_devs[])
 880{
 881        struct venus_inst *inst = vb2_get_drv_priv(q);
 882        unsigned int num, min = 4;
 883        int ret = 0;
 884
 885        if (*num_planes) {
 886                if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE &&
 887                    *num_planes != inst->fmt_out->num_planes)
 888                        return -EINVAL;
 889
 890                if (q->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE &&
 891                    *num_planes != inst->fmt_cap->num_planes)
 892                        return -EINVAL;
 893
 894                if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE &&
 895                    sizes[0] < inst->input_buf_size)
 896                        return -EINVAL;
 897
 898                if (q->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE &&
 899                    sizes[0] < inst->output_buf_size)
 900                        return -EINVAL;
 901
 902                return 0;
 903        }
 904
 905        switch (q->type) {
 906        case V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE:
 907                *num_planes = inst->fmt_out->num_planes;
 908
 909                ret = venc_out_num_buffers(inst, &num);
 910                if (ret)
 911                        break;
 912
 913                num = max(num, min);
 914                *num_buffers = max(*num_buffers, num);
 915                inst->num_input_bufs = *num_buffers;
 916
 917                sizes[0] = venus_helper_get_framesz(inst->fmt_out->pixfmt,
 918                                                    inst->width,
 919                                                    inst->height);
 920                inst->input_buf_size = sizes[0];
 921                break;
 922        case V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE:
 923                *num_planes = inst->fmt_cap->num_planes;
 924                *num_buffers = max(*num_buffers, min);
 925                inst->num_output_bufs = *num_buffers;
 926                sizes[0] = venus_helper_get_framesz(inst->fmt_cap->pixfmt,
 927                                                    inst->width,
 928                                                    inst->height);
 929                sizes[0] = max(sizes[0], inst->output_buf_size);
 930                inst->output_buf_size = sizes[0];
 931                break;
 932        default:
 933                ret = -EINVAL;
 934                break;
 935        }
 936
 937        return ret;
 938}
 939
 940static int venc_verify_conf(struct venus_inst *inst)
 941{
 942        enum hfi_version ver = inst->core->res->hfi_version;
 943        struct hfi_buffer_requirements bufreq;
 944        int ret;
 945
 946        if (!inst->num_input_bufs || !inst->num_output_bufs)
 947                return -EINVAL;
 948
 949        ret = venus_helper_get_bufreq(inst, HFI_BUFFER_OUTPUT, &bufreq);
 950        if (ret)
 951                return ret;
 952
 953        if (inst->num_output_bufs < bufreq.count_actual ||
 954            inst->num_output_bufs < HFI_BUFREQ_COUNT_MIN(&bufreq, ver))
 955                return -EINVAL;
 956
 957        ret = venus_helper_get_bufreq(inst, HFI_BUFFER_INPUT, &bufreq);
 958        if (ret)
 959                return ret;
 960
 961        if (inst->num_input_bufs < bufreq.count_actual ||
 962            inst->num_input_bufs < HFI_BUFREQ_COUNT_MIN(&bufreq, ver))
 963                return -EINVAL;
 964
 965        return 0;
 966}
 967
 968static int venc_start_streaming(struct vb2_queue *q, unsigned int count)
 969{
 970        struct venus_inst *inst = vb2_get_drv_priv(q);
 971        int ret;
 972
 973        mutex_lock(&inst->lock);
 974
 975        if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
 976                inst->streamon_out = 1;
 977        else
 978                inst->streamon_cap = 1;
 979
 980        if (!(inst->streamon_out & inst->streamon_cap)) {
 981                mutex_unlock(&inst->lock);
 982                return 0;
 983        }
 984
 985        venus_helper_init_instance(inst);
 986
 987        inst->sequence_cap = 0;
 988        inst->sequence_out = 0;
 989
 990        ret = venc_init_session(inst);
 991        if (ret)
 992                goto bufs_done;
 993
 994        ret = venc_set_properties(inst);
 995        if (ret)
 996                goto deinit_sess;
 997
 998        ret = venc_verify_conf(inst);
 999        if (ret)
1000                goto deinit_sess;
1001
1002        ret = venus_helper_set_num_bufs(inst, inst->num_input_bufs,
1003                                        inst->num_output_bufs, 0);
1004        if (ret)
1005                goto deinit_sess;
1006
1007        ret = venus_helper_vb2_start_streaming(inst);
1008        if (ret)
1009                goto deinit_sess;
1010
1011        mutex_unlock(&inst->lock);
1012
1013        return 0;
1014
1015deinit_sess:
1016        hfi_session_deinit(inst);
1017bufs_done:
1018        venus_helper_buffers_done(inst, VB2_BUF_STATE_QUEUED);
1019        if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
1020                inst->streamon_out = 0;
1021        else
1022                inst->streamon_cap = 0;
1023        mutex_unlock(&inst->lock);
1024        return ret;
1025}
1026
1027static const struct vb2_ops venc_vb2_ops = {
1028        .queue_setup = venc_queue_setup,
1029        .buf_init = venus_helper_vb2_buf_init,
1030        .buf_prepare = venus_helper_vb2_buf_prepare,
1031        .start_streaming = venc_start_streaming,
1032        .stop_streaming = venus_helper_vb2_stop_streaming,
1033        .buf_queue = venus_helper_vb2_buf_queue,
1034};
1035
1036static void venc_buf_done(struct venus_inst *inst, unsigned int buf_type,
1037                          u32 tag, u32 bytesused, u32 data_offset, u32 flags,
1038                          u32 hfi_flags, u64 timestamp_us)
1039{
1040        struct vb2_v4l2_buffer *vbuf;
1041        struct vb2_buffer *vb;
1042        unsigned int type;
1043
1044        if (buf_type == HFI_BUFFER_INPUT)
1045                type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE;
1046        else
1047                type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE;
1048
1049        vbuf = venus_helper_find_buf(inst, type, tag);
1050        if (!vbuf)
1051                return;
1052
1053        vbuf->flags = flags;
1054
1055        if (type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
1056                vb = &vbuf->vb2_buf;
1057                vb2_set_plane_payload(vb, 0, bytesused + data_offset);
1058                vb->planes[0].data_offset = data_offset;
1059                vb->timestamp = timestamp_us * NSEC_PER_USEC;
1060                vbuf->sequence = inst->sequence_cap++;
1061        } else {
1062                vbuf->sequence = inst->sequence_out++;
1063        }
1064
1065        v4l2_m2m_buf_done(vbuf, VB2_BUF_STATE_DONE);
1066}
1067
1068static void venc_event_notify(struct venus_inst *inst, u32 event,
1069                              struct hfi_event_data *data)
1070{
1071        struct device *dev = inst->core->dev_enc;
1072
1073        if (event == EVT_SESSION_ERROR) {
1074                inst->session_error = true;
1075                dev_err(dev, "enc: event session error %x\n", inst->error);
1076        }
1077}
1078
1079static const struct hfi_inst_ops venc_hfi_ops = {
1080        .buf_done = venc_buf_done,
1081        .event_notify = venc_event_notify,
1082};
1083
1084static const struct v4l2_m2m_ops venc_m2m_ops = {
1085        .device_run = venus_helper_m2m_device_run,
1086        .job_abort = venus_helper_m2m_job_abort,
1087};
1088
1089static int m2m_queue_init(void *priv, struct vb2_queue *src_vq,
1090                          struct vb2_queue *dst_vq)
1091{
1092        struct venus_inst *inst = priv;
1093        int ret;
1094
1095        src_vq->type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE;
1096        src_vq->io_modes = VB2_MMAP | VB2_USERPTR | VB2_DMABUF;
1097        src_vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY;
1098        src_vq->ops = &venc_vb2_ops;
1099        src_vq->mem_ops = &vb2_dma_sg_memops;
1100        src_vq->drv_priv = inst;
1101        src_vq->buf_struct_size = sizeof(struct venus_buffer);
1102        src_vq->allow_zero_bytesused = 1;
1103        src_vq->min_buffers_needed = 1;
1104        src_vq->dev = inst->core->dev;
1105        if (inst->core->res->hfi_version == HFI_VERSION_1XX)
1106                src_vq->bidirectional = 1;
1107        ret = vb2_queue_init(src_vq);
1108        if (ret)
1109                return ret;
1110
1111        dst_vq->type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE;
1112        dst_vq->io_modes = VB2_MMAP | VB2_USERPTR | VB2_DMABUF;
1113        dst_vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY;
1114        dst_vq->ops = &venc_vb2_ops;
1115        dst_vq->mem_ops = &vb2_dma_sg_memops;
1116        dst_vq->drv_priv = inst;
1117        dst_vq->buf_struct_size = sizeof(struct venus_buffer);
1118        dst_vq->allow_zero_bytesused = 1;
1119        dst_vq->min_buffers_needed = 1;
1120        dst_vq->dev = inst->core->dev;
1121        ret = vb2_queue_init(dst_vq);
1122        if (ret) {
1123                vb2_queue_release(src_vq);
1124                return ret;
1125        }
1126
1127        return 0;
1128}
1129
1130static void venc_inst_init(struct venus_inst *inst)
1131{
1132        inst->fmt_cap = &venc_formats[2];
1133        inst->fmt_out = &venc_formats[0];
1134        inst->width = 1280;
1135        inst->height = ALIGN(720, 32);
1136        inst->out_width = 1280;
1137        inst->out_height = 720;
1138        inst->fps = 15;
1139        inst->timeperframe.numerator = 1;
1140        inst->timeperframe.denominator = 15;
1141        inst->hfi_codec = HFI_VIDEO_CODEC_H264;
1142}
1143
1144static int venc_open(struct file *file)
1145{
1146        struct venus_core *core = video_drvdata(file);
1147        struct venus_inst *inst;
1148        int ret;
1149
1150        inst = kzalloc(sizeof(*inst), GFP_KERNEL);
1151        if (!inst)
1152                return -ENOMEM;
1153
1154        INIT_LIST_HEAD(&inst->dpbbufs);
1155        INIT_LIST_HEAD(&inst->registeredbufs);
1156        INIT_LIST_HEAD(&inst->internalbufs);
1157        INIT_LIST_HEAD(&inst->list);
1158        mutex_init(&inst->lock);
1159
1160        inst->core = core;
1161        inst->session_type = VIDC_SESSION_TYPE_ENC;
1162
1163        venus_helper_init_instance(inst);
1164
1165        ret = pm_runtime_get_sync(core->dev_enc);
1166        if (ret < 0)
1167                goto err_free_inst;
1168
1169        ret = venc_ctrl_init(inst);
1170        if (ret)
1171                goto err_put_sync;
1172
1173        ret = hfi_session_create(inst, &venc_hfi_ops);
1174        if (ret)
1175                goto err_ctrl_deinit;
1176
1177        venc_inst_init(inst);
1178
1179        /*
1180         * create m2m device for every instance, the m2m context scheduling
1181         * is made by firmware side so we do not need to care about.
1182         */
1183        inst->m2m_dev = v4l2_m2m_init(&venc_m2m_ops);
1184        if (IS_ERR(inst->m2m_dev)) {
1185                ret = PTR_ERR(inst->m2m_dev);
1186                goto err_session_destroy;
1187        }
1188
1189        inst->m2m_ctx = v4l2_m2m_ctx_init(inst->m2m_dev, inst, m2m_queue_init);
1190        if (IS_ERR(inst->m2m_ctx)) {
1191                ret = PTR_ERR(inst->m2m_ctx);
1192                goto err_m2m_release;
1193        }
1194
1195        v4l2_fh_init(&inst->fh, core->vdev_enc);
1196
1197        inst->fh.ctrl_handler = &inst->ctrl_handler;
1198        v4l2_fh_add(&inst->fh);
1199        inst->fh.m2m_ctx = inst->m2m_ctx;
1200        file->private_data = &inst->fh;
1201
1202        return 0;
1203
1204err_m2m_release:
1205        v4l2_m2m_release(inst->m2m_dev);
1206err_session_destroy:
1207        hfi_session_destroy(inst);
1208err_ctrl_deinit:
1209        venc_ctrl_deinit(inst);
1210err_put_sync:
1211        pm_runtime_put_sync(core->dev_enc);
1212err_free_inst:
1213        kfree(inst);
1214        return ret;
1215}
1216
1217static int venc_close(struct file *file)
1218{
1219        struct venus_inst *inst = to_inst(file);
1220
1221        v4l2_m2m_ctx_release(inst->m2m_ctx);
1222        v4l2_m2m_release(inst->m2m_dev);
1223        venc_ctrl_deinit(inst);
1224        hfi_session_destroy(inst);
1225        mutex_destroy(&inst->lock);
1226        v4l2_fh_del(&inst->fh);
1227        v4l2_fh_exit(&inst->fh);
1228
1229        pm_runtime_put_sync(inst->core->dev_enc);
1230
1231        kfree(inst);
1232        return 0;
1233}
1234
1235static const struct v4l2_file_operations venc_fops = {
1236        .owner = THIS_MODULE,
1237        .open = venc_open,
1238        .release = venc_close,
1239        .unlocked_ioctl = video_ioctl2,
1240        .poll = v4l2_m2m_fop_poll,
1241        .mmap = v4l2_m2m_fop_mmap,
1242};
1243
1244static int venc_probe(struct platform_device *pdev)
1245{
1246        struct device *dev = &pdev->dev;
1247        struct video_device *vdev;
1248        struct venus_core *core;
1249        int ret;
1250
1251        if (!dev->parent)
1252                return -EPROBE_DEFER;
1253
1254        core = dev_get_drvdata(dev->parent);
1255        if (!core)
1256                return -EPROBE_DEFER;
1257
1258        if (IS_V3(core) || IS_V4(core)) {
1259                core->core1_clk = devm_clk_get(dev, "core");
1260                if (IS_ERR(core->core1_clk))
1261                        return PTR_ERR(core->core1_clk);
1262        }
1263
1264        if (IS_V4(core)) {
1265                core->core1_bus_clk = devm_clk_get(dev, "bus");
1266                if (IS_ERR(core->core1_bus_clk))
1267                        return PTR_ERR(core->core1_bus_clk);
1268        }
1269
1270        platform_set_drvdata(pdev, core);
1271
1272        vdev = video_device_alloc();
1273        if (!vdev)
1274                return -ENOMEM;
1275
1276        strscpy(vdev->name, "qcom-venus-encoder", sizeof(vdev->name));
1277        vdev->release = video_device_release;
1278        vdev->fops = &venc_fops;
1279        vdev->ioctl_ops = &venc_ioctl_ops;
1280        vdev->vfl_dir = VFL_DIR_M2M;
1281        vdev->v4l2_dev = &core->v4l2_dev;
1282        vdev->device_caps = V4L2_CAP_VIDEO_M2M_MPLANE | V4L2_CAP_STREAMING;
1283
1284        ret = video_register_device(vdev, VFL_TYPE_GRABBER, -1);
1285        if (ret)
1286                goto err_vdev_release;
1287
1288        core->vdev_enc = vdev;
1289        core->dev_enc = dev;
1290
1291        video_set_drvdata(vdev, core);
1292        pm_runtime_enable(dev);
1293
1294        return 0;
1295
1296err_vdev_release:
1297        video_device_release(vdev);
1298        return ret;
1299}
1300
1301static int venc_remove(struct platform_device *pdev)
1302{
1303        struct venus_core *core = dev_get_drvdata(pdev->dev.parent);
1304
1305        video_unregister_device(core->vdev_enc);
1306        pm_runtime_disable(core->dev_enc);
1307
1308        return 0;
1309}
1310
1311static __maybe_unused int venc_runtime_suspend(struct device *dev)
1312{
1313        struct venus_core *core = dev_get_drvdata(dev);
1314        int ret;
1315
1316        if (IS_V1(core))
1317                return 0;
1318
1319        ret = venus_helper_power_enable(core, VIDC_SESSION_TYPE_ENC, true);
1320        if (ret)
1321                return ret;
1322
1323        if (IS_V4(core))
1324                clk_disable_unprepare(core->core1_bus_clk);
1325
1326        clk_disable_unprepare(core->core1_clk);
1327
1328        return venus_helper_power_enable(core, VIDC_SESSION_TYPE_ENC, false);
1329}
1330
1331static __maybe_unused int venc_runtime_resume(struct device *dev)
1332{
1333        struct venus_core *core = dev_get_drvdata(dev);
1334        int ret;
1335
1336        if (IS_V1(core))
1337                return 0;
1338
1339        ret = venus_helper_power_enable(core, VIDC_SESSION_TYPE_ENC, true);
1340        if (ret)
1341                return ret;
1342
1343        ret = clk_prepare_enable(core->core1_clk);
1344        if (ret)
1345                goto err_power_disable;
1346
1347        if (IS_V4(core))
1348                ret = clk_prepare_enable(core->core1_bus_clk);
1349
1350        if (ret)
1351                goto err_unprepare_core1;
1352
1353        return venus_helper_power_enable(core, VIDC_SESSION_TYPE_ENC, false);
1354
1355err_unprepare_core1:
1356        clk_disable_unprepare(core->core1_clk);
1357err_power_disable:
1358        venus_helper_power_enable(core, VIDC_SESSION_TYPE_ENC, false);
1359        return ret;
1360}
1361
1362static const struct dev_pm_ops venc_pm_ops = {
1363        SET_SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend,
1364                                pm_runtime_force_resume)
1365        SET_RUNTIME_PM_OPS(venc_runtime_suspend, venc_runtime_resume, NULL)
1366};
1367
1368static const struct of_device_id venc_dt_match[] = {
1369        { .compatible = "venus-encoder" },
1370        { }
1371};
1372MODULE_DEVICE_TABLE(of, venc_dt_match);
1373
1374static struct platform_driver qcom_venus_enc_driver = {
1375        .probe = venc_probe,
1376        .remove = venc_remove,
1377        .driver = {
1378                .name = "qcom-venus-encoder",
1379                .of_match_table = venc_dt_match,
1380                .pm = &venc_pm_ops,
1381        },
1382};
1383module_platform_driver(qcom_venus_enc_driver);
1384
1385MODULE_ALIAS("platform:qcom-venus-encoder");
1386MODULE_DESCRIPTION("Qualcomm Venus video encoder driver");
1387MODULE_LICENSE("GPL v2");
1388