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