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
 298        memset(pfmt[0].reserved, 0, sizeof(pfmt[0].reserved));
 299        memset(pixmp->reserved, 0, sizeof(pixmp->reserved));
 300
 301        fmt = find_format(inst, pixmp->pixelformat, f->type);
 302        if (!fmt) {
 303                if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE)
 304                        pixmp->pixelformat = V4L2_PIX_FMT_H264;
 305                else if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
 306                        pixmp->pixelformat = V4L2_PIX_FMT_NV12;
 307                else
 308                        return NULL;
 309                fmt = find_format(inst, pixmp->pixelformat, f->type);
 310        }
 311
 312        pixmp->width = clamp(pixmp->width, frame_width_min(inst),
 313                             frame_width_max(inst));
 314        pixmp->height = clamp(pixmp->height, frame_height_min(inst),
 315                              frame_height_max(inst));
 316
 317        if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
 318                pixmp->height = ALIGN(pixmp->height, 32);
 319
 320        pixmp->width = ALIGN(pixmp->width, 2);
 321        pixmp->height = ALIGN(pixmp->height, 2);
 322
 323        if (pixmp->field == V4L2_FIELD_ANY)
 324                pixmp->field = V4L2_FIELD_NONE;
 325        pixmp->num_planes = fmt->num_planes;
 326        pixmp->flags = 0;
 327
 328        pfmt[0].sizeimage = venus_helper_get_framesz(pixmp->pixelformat,
 329                                                     pixmp->width,
 330                                                     pixmp->height);
 331
 332        if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
 333                pfmt[0].bytesperline = ALIGN(pixmp->width, 128);
 334        else
 335                pfmt[0].bytesperline = 0;
 336
 337        return fmt;
 338}
 339
 340static int venc_try_fmt(struct file *file, void *fh, struct v4l2_format *f)
 341{
 342        struct venus_inst *inst = to_inst(file);
 343
 344        venc_try_fmt_common(inst, f);
 345
 346        return 0;
 347}
 348
 349static int venc_s_fmt(struct file *file, void *fh, struct v4l2_format *f)
 350{
 351        struct venus_inst *inst = to_inst(file);
 352        struct v4l2_pix_format_mplane *pixmp = &f->fmt.pix_mp;
 353        struct v4l2_pix_format_mplane orig_pixmp;
 354        const struct venus_format *fmt;
 355        struct v4l2_format format;
 356        u32 pixfmt_out = 0, pixfmt_cap = 0;
 357
 358        orig_pixmp = *pixmp;
 359
 360        fmt = venc_try_fmt_common(inst, f);
 361        if (!fmt)
 362                return -EINVAL;
 363
 364        if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
 365                pixfmt_out = pixmp->pixelformat;
 366                pixfmt_cap = inst->fmt_cap->pixfmt;
 367        } else if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
 368                pixfmt_cap = pixmp->pixelformat;
 369                pixfmt_out = inst->fmt_out->pixfmt;
 370        }
 371
 372        memset(&format, 0, sizeof(format));
 373
 374        format.type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE;
 375        format.fmt.pix_mp.pixelformat = pixfmt_out;
 376        format.fmt.pix_mp.width = orig_pixmp.width;
 377        format.fmt.pix_mp.height = orig_pixmp.height;
 378        venc_try_fmt_common(inst, &format);
 379
 380        if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
 381                inst->out_width = format.fmt.pix_mp.width;
 382                inst->out_height = format.fmt.pix_mp.height;
 383                inst->colorspace = pixmp->colorspace;
 384                inst->ycbcr_enc = pixmp->ycbcr_enc;
 385                inst->quantization = pixmp->quantization;
 386                inst->xfer_func = pixmp->xfer_func;
 387        }
 388
 389        memset(&format, 0, sizeof(format));
 390
 391        format.type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE;
 392        format.fmt.pix_mp.pixelformat = pixfmt_cap;
 393        format.fmt.pix_mp.width = orig_pixmp.width;
 394        format.fmt.pix_mp.height = orig_pixmp.height;
 395        venc_try_fmt_common(inst, &format);
 396
 397        inst->width = format.fmt.pix_mp.width;
 398        inst->height = format.fmt.pix_mp.height;
 399
 400        if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
 401                inst->fmt_out = fmt;
 402        else if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE)
 403                inst->fmt_cap = fmt;
 404
 405        return 0;
 406}
 407
 408static int venc_g_fmt(struct file *file, void *fh, struct v4l2_format *f)
 409{
 410        struct v4l2_pix_format_mplane *pixmp = &f->fmt.pix_mp;
 411        struct venus_inst *inst = to_inst(file);
 412        const struct venus_format *fmt;
 413
 414        if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE)
 415                fmt = inst->fmt_cap;
 416        else if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
 417                fmt = inst->fmt_out;
 418        else
 419                return -EINVAL;
 420
 421        pixmp->pixelformat = fmt->pixfmt;
 422
 423        if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
 424                pixmp->width = inst->width;
 425                pixmp->height = inst->height;
 426                pixmp->colorspace = inst->colorspace;
 427                pixmp->ycbcr_enc = inst->ycbcr_enc;
 428                pixmp->quantization = inst->quantization;
 429                pixmp->xfer_func = inst->xfer_func;
 430        } else if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
 431                pixmp->width = inst->out_width;
 432                pixmp->height = inst->out_height;
 433        }
 434
 435        venc_try_fmt_common(inst, f);
 436
 437        return 0;
 438}
 439
 440static int
 441venc_g_selection(struct file *file, void *fh, struct v4l2_selection *s)
 442{
 443        struct venus_inst *inst = to_inst(file);
 444
 445        if (s->type != V4L2_BUF_TYPE_VIDEO_OUTPUT)
 446                return -EINVAL;
 447
 448        switch (s->target) {
 449        case V4L2_SEL_TGT_CROP_DEFAULT:
 450        case V4L2_SEL_TGT_CROP_BOUNDS:
 451                s->r.width = inst->width;
 452                s->r.height = inst->height;
 453                break;
 454        case V4L2_SEL_TGT_CROP:
 455                s->r.width = inst->out_width;
 456                s->r.height = inst->out_height;
 457                break;
 458        default:
 459                return -EINVAL;
 460        }
 461
 462        s->r.top = 0;
 463        s->r.left = 0;
 464
 465        return 0;
 466}
 467
 468static int
 469venc_s_selection(struct file *file, void *fh, struct v4l2_selection *s)
 470{
 471        struct venus_inst *inst = to_inst(file);
 472
 473        if (s->type != V4L2_BUF_TYPE_VIDEO_OUTPUT)
 474                return -EINVAL;
 475
 476        switch (s->target) {
 477        case V4L2_SEL_TGT_CROP:
 478                if (s->r.width != inst->out_width ||
 479                    s->r.height != inst->out_height ||
 480                    s->r.top != 0 || s->r.left != 0)
 481                        return -EINVAL;
 482                break;
 483        default:
 484                return -EINVAL;
 485        }
 486
 487        return 0;
 488}
 489
 490static int venc_s_parm(struct file *file, void *fh, struct v4l2_streamparm *a)
 491{
 492        struct venus_inst *inst = to_inst(file);
 493        struct v4l2_outputparm *out = &a->parm.output;
 494        struct v4l2_fract *timeperframe = &out->timeperframe;
 495        u64 us_per_frame, fps;
 496
 497        if (a->type != V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE &&
 498            a->type != V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
 499                return -EINVAL;
 500
 501        memset(out->reserved, 0, sizeof(out->reserved));
 502
 503        if (!timeperframe->denominator)
 504                timeperframe->denominator = inst->timeperframe.denominator;
 505        if (!timeperframe->numerator)
 506                timeperframe->numerator = inst->timeperframe.numerator;
 507
 508        out->capability = V4L2_CAP_TIMEPERFRAME;
 509
 510        us_per_frame = timeperframe->numerator * (u64)USEC_PER_SEC;
 511        do_div(us_per_frame, timeperframe->denominator);
 512
 513        if (!us_per_frame)
 514                return -EINVAL;
 515
 516        fps = (u64)USEC_PER_SEC;
 517        do_div(fps, us_per_frame);
 518
 519        inst->timeperframe = *timeperframe;
 520        inst->fps = fps;
 521
 522        return 0;
 523}
 524
 525static int venc_g_parm(struct file *file, void *fh, struct v4l2_streamparm *a)
 526{
 527        struct venus_inst *inst = to_inst(file);
 528
 529        if (a->type != V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE &&
 530            a->type != V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
 531                return -EINVAL;
 532
 533        a->parm.output.capability |= V4L2_CAP_TIMEPERFRAME;
 534        a->parm.output.timeperframe = inst->timeperframe;
 535
 536        return 0;
 537}
 538
 539static int venc_enum_framesizes(struct file *file, void *fh,
 540                                struct v4l2_frmsizeenum *fsize)
 541{
 542        struct venus_inst *inst = to_inst(file);
 543        const struct venus_format *fmt;
 544
 545        fsize->type = V4L2_FRMSIZE_TYPE_STEPWISE;
 546
 547        fmt = find_format(inst, fsize->pixel_format,
 548                          V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE);
 549        if (!fmt) {
 550                fmt = find_format(inst, fsize->pixel_format,
 551                                  V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE);
 552                if (!fmt)
 553                        return -EINVAL;
 554        }
 555
 556        if (fsize->index)
 557                return -EINVAL;
 558
 559        fsize->stepwise.min_width = frame_width_min(inst);
 560        fsize->stepwise.max_width = frame_width_max(inst);
 561        fsize->stepwise.step_width = frame_width_step(inst);
 562        fsize->stepwise.min_height = frame_height_min(inst);
 563        fsize->stepwise.max_height = frame_height_max(inst);
 564        fsize->stepwise.step_height = frame_height_step(inst);
 565
 566        return 0;
 567}
 568
 569static int venc_enum_frameintervals(struct file *file, void *fh,
 570                                    struct v4l2_frmivalenum *fival)
 571{
 572        struct venus_inst *inst = to_inst(file);
 573        const struct venus_format *fmt;
 574
 575        fival->type = V4L2_FRMIVAL_TYPE_STEPWISE;
 576
 577        fmt = find_format(inst, fival->pixel_format,
 578                          V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE);
 579        if (!fmt) {
 580                fmt = find_format(inst, fival->pixel_format,
 581                                  V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE);
 582                if (!fmt)
 583                        return -EINVAL;
 584        }
 585
 586        if (fival->index)
 587                return -EINVAL;
 588
 589        if (!fival->width || !fival->height)
 590                return -EINVAL;
 591
 592        if (fival->width > frame_width_max(inst) ||
 593            fival->width < frame_width_min(inst) ||
 594            fival->height > frame_height_max(inst) ||
 595            fival->height < frame_height_min(inst))
 596                return -EINVAL;
 597
 598        fival->stepwise.min.numerator = 1;
 599        fival->stepwise.min.denominator = frate_max(inst);
 600        fival->stepwise.max.numerator = 1;
 601        fival->stepwise.max.denominator = frate_min(inst);
 602        fival->stepwise.step.numerator = 1;
 603        fival->stepwise.step.denominator = frate_max(inst);
 604
 605        return 0;
 606}
 607
 608static const struct v4l2_ioctl_ops venc_ioctl_ops = {
 609        .vidioc_querycap = venc_querycap,
 610        .vidioc_enum_fmt_vid_cap = venc_enum_fmt,
 611        .vidioc_enum_fmt_vid_out = venc_enum_fmt,
 612        .vidioc_s_fmt_vid_cap_mplane = venc_s_fmt,
 613        .vidioc_s_fmt_vid_out_mplane = venc_s_fmt,
 614        .vidioc_g_fmt_vid_cap_mplane = venc_g_fmt,
 615        .vidioc_g_fmt_vid_out_mplane = venc_g_fmt,
 616        .vidioc_try_fmt_vid_cap_mplane = venc_try_fmt,
 617        .vidioc_try_fmt_vid_out_mplane = venc_try_fmt,
 618        .vidioc_g_selection = venc_g_selection,
 619        .vidioc_s_selection = venc_s_selection,
 620        .vidioc_reqbufs = v4l2_m2m_ioctl_reqbufs,
 621        .vidioc_querybuf = v4l2_m2m_ioctl_querybuf,
 622        .vidioc_create_bufs = v4l2_m2m_ioctl_create_bufs,
 623        .vidioc_prepare_buf = v4l2_m2m_ioctl_prepare_buf,
 624        .vidioc_qbuf = v4l2_m2m_ioctl_qbuf,
 625        .vidioc_expbuf = v4l2_m2m_ioctl_expbuf,
 626        .vidioc_dqbuf = v4l2_m2m_ioctl_dqbuf,
 627        .vidioc_streamon = v4l2_m2m_ioctl_streamon,
 628        .vidioc_streamoff = v4l2_m2m_ioctl_streamoff,
 629        .vidioc_s_parm = venc_s_parm,
 630        .vidioc_g_parm = venc_g_parm,
 631        .vidioc_enum_framesizes = venc_enum_framesizes,
 632        .vidioc_enum_frameintervals = venc_enum_frameintervals,
 633        .vidioc_subscribe_event = v4l2_ctrl_subscribe_event,
 634        .vidioc_unsubscribe_event = v4l2_event_unsubscribe,
 635};
 636
 637static int venc_set_properties(struct venus_inst *inst)
 638{
 639        struct venc_controls *ctr = &inst->controls.enc;
 640        struct hfi_intra_period intra_period;
 641        struct hfi_profile_level pl;
 642        struct hfi_framerate frate;
 643        struct hfi_bitrate brate;
 644        struct hfi_idr_period idrp;
 645        struct hfi_quantization quant;
 646        struct hfi_quantization_range quant_range;
 647        u32 ptype, rate_control, bitrate, profile = 0, level = 0;
 648        int ret;
 649
 650        ret = venus_helper_set_work_mode(inst, VIDC_WORK_MODE_2);
 651        if (ret)
 652                return ret;
 653
 654        ret = venus_helper_set_core_usage(inst, VIDC_CORE_ID_2);
 655        if (ret)
 656                return ret;
 657
 658        ptype = HFI_PROPERTY_CONFIG_FRAME_RATE;
 659        frate.buffer_type = HFI_BUFFER_OUTPUT;
 660        frate.framerate = inst->fps * (1 << 16);
 661
 662        ret = hfi_session_set_property(inst, ptype, &frate);
 663        if (ret)
 664                return ret;
 665
 666        if (inst->fmt_cap->pixfmt == V4L2_PIX_FMT_H264) {
 667                struct hfi_h264_vui_timing_info info;
 668                struct hfi_h264_entropy_control entropy;
 669                struct hfi_h264_db_control deblock;
 670
 671                ptype = HFI_PROPERTY_PARAM_VENC_H264_VUI_TIMING_INFO;
 672                info.enable = 1;
 673                info.fixed_framerate = 1;
 674                info.time_scale = NSEC_PER_SEC;
 675
 676                ret = hfi_session_set_property(inst, ptype, &info);
 677                if (ret)
 678                        return ret;
 679
 680                ptype = HFI_PROPERTY_PARAM_VENC_H264_ENTROPY_CONTROL;
 681                entropy.entropy_mode = venc_v4l2_to_hfi(
 682                                          V4L2_CID_MPEG_VIDEO_H264_ENTROPY_MODE,
 683                                          ctr->h264_entropy_mode);
 684                entropy.cabac_model = HFI_H264_CABAC_MODEL_0;
 685
 686                ret = hfi_session_set_property(inst, ptype, &entropy);
 687                if (ret)
 688                        return ret;
 689
 690                ptype = HFI_PROPERTY_PARAM_VENC_H264_DEBLOCK_CONTROL;
 691                deblock.mode = venc_v4l2_to_hfi(
 692                                      V4L2_CID_MPEG_VIDEO_H264_LOOP_FILTER_MODE,
 693                                      ctr->h264_loop_filter_mode);
 694                deblock.slice_alpha_offset = ctr->h264_loop_filter_alpha;
 695                deblock.slice_beta_offset = ctr->h264_loop_filter_beta;
 696
 697                ret = hfi_session_set_property(inst, ptype, &deblock);
 698                if (ret)
 699                        return ret;
 700        }
 701
 702        /* IDR periodicity, n:
 703         * n = 0 - only the first I-frame is IDR frame
 704         * n = 1 - all I-frames will be IDR frames
 705         * n > 1 - every n-th I-frame will be IDR frame
 706         */
 707        ptype = HFI_PROPERTY_CONFIG_VENC_IDR_PERIOD;
 708        idrp.idr_period = 0;
 709        ret = hfi_session_set_property(inst, ptype, &idrp);
 710        if (ret)
 711                return ret;
 712
 713        if (ctr->num_b_frames) {
 714                u32 max_num_b_frames = NUM_B_FRAMES_MAX;
 715
 716                ptype = HFI_PROPERTY_PARAM_VENC_MAX_NUM_B_FRAMES;
 717                ret = hfi_session_set_property(inst, ptype, &max_num_b_frames);
 718                if (ret)
 719                        return ret;
 720        }
 721
 722        ptype = HFI_PROPERTY_CONFIG_VENC_INTRA_PERIOD;
 723        intra_period.pframes = ctr->num_p_frames;
 724        intra_period.bframes = ctr->num_b_frames;
 725
 726        ret = hfi_session_set_property(inst, ptype, &intra_period);
 727        if (ret)
 728                return ret;
 729
 730        if (ctr->bitrate_mode == V4L2_MPEG_VIDEO_BITRATE_MODE_VBR)
 731                rate_control = HFI_RATE_CONTROL_VBR_CFR;
 732        else
 733                rate_control = HFI_RATE_CONTROL_CBR_CFR;
 734
 735        ptype = HFI_PROPERTY_PARAM_VENC_RATE_CONTROL;
 736        ret = hfi_session_set_property(inst, ptype, &rate_control);
 737        if (ret)
 738                return ret;
 739
 740        if (!ctr->bitrate)
 741                bitrate = 64000;
 742        else
 743                bitrate = ctr->bitrate;
 744
 745        ptype = HFI_PROPERTY_CONFIG_VENC_TARGET_BITRATE;
 746        brate.bitrate = bitrate;
 747        brate.layer_id = 0;
 748
 749        ret = hfi_session_set_property(inst, ptype, &brate);
 750        if (ret)
 751                return ret;
 752
 753        if (!ctr->bitrate_peak)
 754                bitrate *= 2;
 755        else
 756                bitrate = ctr->bitrate_peak;
 757
 758        ptype = HFI_PROPERTY_CONFIG_VENC_MAX_BITRATE;
 759        brate.bitrate = bitrate;
 760        brate.layer_id = 0;
 761
 762        ret = hfi_session_set_property(inst, ptype, &brate);
 763        if (ret)
 764                return ret;
 765
 766        ptype = HFI_PROPERTY_PARAM_VENC_SESSION_QP;
 767        quant.qp_i = ctr->h264_i_qp;
 768        quant.qp_p = ctr->h264_p_qp;
 769        quant.qp_b = ctr->h264_b_qp;
 770        quant.layer_id = 0;
 771        ret = hfi_session_set_property(inst, ptype, &quant);
 772        if (ret)
 773                return ret;
 774
 775        ptype = HFI_PROPERTY_PARAM_VENC_SESSION_QP_RANGE;
 776        quant_range.min_qp = ctr->h264_min_qp;
 777        quant_range.max_qp = ctr->h264_max_qp;
 778        quant_range.layer_id = 0;
 779        ret = hfi_session_set_property(inst, ptype, &quant_range);
 780        if (ret)
 781                return ret;
 782
 783        if (inst->fmt_cap->pixfmt == V4L2_PIX_FMT_H264) {
 784                profile = venc_v4l2_to_hfi(V4L2_CID_MPEG_VIDEO_H264_PROFILE,
 785                                           ctr->profile.h264);
 786                level = venc_v4l2_to_hfi(V4L2_CID_MPEG_VIDEO_H264_LEVEL,
 787                                         ctr->level.h264);
 788        } else if (inst->fmt_cap->pixfmt == V4L2_PIX_FMT_VP8) {
 789                profile = venc_v4l2_to_hfi(V4L2_CID_MPEG_VIDEO_VP8_PROFILE,
 790                                           ctr->profile.vpx);
 791                level = 0;
 792        } else if (inst->fmt_cap->pixfmt == V4L2_PIX_FMT_MPEG4) {
 793                profile = venc_v4l2_to_hfi(V4L2_CID_MPEG_VIDEO_MPEG4_PROFILE,
 794                                           ctr->profile.mpeg4);
 795                level = venc_v4l2_to_hfi(V4L2_CID_MPEG_VIDEO_MPEG4_LEVEL,
 796                                         ctr->level.mpeg4);
 797        } else if (inst->fmt_cap->pixfmt == V4L2_PIX_FMT_H263) {
 798                profile = 0;
 799                level = 0;
 800        } else if (inst->fmt_cap->pixfmt == V4L2_PIX_FMT_HEVC) {
 801                profile = venc_v4l2_to_hfi(V4L2_CID_MPEG_VIDEO_HEVC_PROFILE,
 802                                           ctr->profile.hevc);
 803                level = venc_v4l2_to_hfi(V4L2_CID_MPEG_VIDEO_HEVC_LEVEL,
 804                                         ctr->level.hevc);
 805        }
 806
 807        ptype = HFI_PROPERTY_PARAM_PROFILE_LEVEL_CURRENT;
 808        pl.profile = profile;
 809        pl.level = level;
 810
 811        ret = hfi_session_set_property(inst, ptype, &pl);
 812        if (ret)
 813                return ret;
 814
 815        return 0;
 816}
 817
 818static int venc_init_session(struct venus_inst *inst)
 819{
 820        int ret;
 821
 822        ret = hfi_session_init(inst, inst->fmt_cap->pixfmt);
 823        if (ret)
 824                return ret;
 825
 826        ret = venus_helper_set_input_resolution(inst, inst->width,
 827                                                inst->height);
 828        if (ret)
 829                goto deinit;
 830
 831        ret = venus_helper_set_output_resolution(inst, inst->width,
 832                                                 inst->height,
 833                                                 HFI_BUFFER_OUTPUT);
 834        if (ret)
 835                goto deinit;
 836
 837        ret = venus_helper_set_color_format(inst, inst->fmt_out->pixfmt);
 838        if (ret)
 839                goto deinit;
 840
 841        ret = venc_set_properties(inst);
 842        if (ret)
 843                goto deinit;
 844
 845        return 0;
 846deinit:
 847        hfi_session_deinit(inst);
 848        return ret;
 849}
 850
 851static int venc_out_num_buffers(struct venus_inst *inst, unsigned int *num)
 852{
 853        struct hfi_buffer_requirements bufreq;
 854        int ret;
 855
 856        ret = venc_init_session(inst);
 857        if (ret)
 858                return ret;
 859
 860        ret = venus_helper_get_bufreq(inst, HFI_BUFFER_INPUT, &bufreq);
 861
 862        *num = bufreq.count_actual;
 863
 864        hfi_session_deinit(inst);
 865
 866        return ret;
 867}
 868
 869static int venc_queue_setup(struct vb2_queue *q,
 870                            unsigned int *num_buffers, unsigned int *num_planes,
 871                            unsigned int sizes[], struct device *alloc_devs[])
 872{
 873        struct venus_inst *inst = vb2_get_drv_priv(q);
 874        unsigned int num, min = 4;
 875        int ret = 0;
 876
 877        if (*num_planes) {
 878                if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE &&
 879                    *num_planes != inst->fmt_out->num_planes)
 880                        return -EINVAL;
 881
 882                if (q->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE &&
 883                    *num_planes != inst->fmt_cap->num_planes)
 884                        return -EINVAL;
 885
 886                if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE &&
 887                    sizes[0] < inst->input_buf_size)
 888                        return -EINVAL;
 889
 890                if (q->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE &&
 891                    sizes[0] < inst->output_buf_size)
 892                        return -EINVAL;
 893
 894                return 0;
 895        }
 896
 897        switch (q->type) {
 898        case V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE:
 899                *num_planes = inst->fmt_out->num_planes;
 900
 901                ret = venc_out_num_buffers(inst, &num);
 902                if (ret)
 903                        break;
 904
 905                num = max(num, min);
 906                *num_buffers = max(*num_buffers, num);
 907                inst->num_input_bufs = *num_buffers;
 908
 909                sizes[0] = venus_helper_get_framesz(inst->fmt_out->pixfmt,
 910                                                    inst->width,
 911                                                    inst->height);
 912                inst->input_buf_size = sizes[0];
 913                break;
 914        case V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE:
 915                *num_planes = inst->fmt_cap->num_planes;
 916                *num_buffers = max(*num_buffers, min);
 917                inst->num_output_bufs = *num_buffers;
 918                sizes[0] = venus_helper_get_framesz(inst->fmt_cap->pixfmt,
 919                                                    inst->width,
 920                                                    inst->height);
 921                inst->output_buf_size = sizes[0];
 922                break;
 923        default:
 924                ret = -EINVAL;
 925                break;
 926        }
 927
 928        return ret;
 929}
 930
 931static int venc_verify_conf(struct venus_inst *inst)
 932{
 933        enum hfi_version ver = inst->core->res->hfi_version;
 934        struct hfi_buffer_requirements bufreq;
 935        int ret;
 936
 937        if (!inst->num_input_bufs || !inst->num_output_bufs)
 938                return -EINVAL;
 939
 940        ret = venus_helper_get_bufreq(inst, HFI_BUFFER_OUTPUT, &bufreq);
 941        if (ret)
 942                return ret;
 943
 944        if (inst->num_output_bufs < bufreq.count_actual ||
 945            inst->num_output_bufs < HFI_BUFREQ_COUNT_MIN(&bufreq, ver))
 946                return -EINVAL;
 947
 948        ret = venus_helper_get_bufreq(inst, HFI_BUFFER_INPUT, &bufreq);
 949        if (ret)
 950                return ret;
 951
 952        if (inst->num_input_bufs < bufreq.count_actual ||
 953            inst->num_input_bufs < HFI_BUFREQ_COUNT_MIN(&bufreq, ver))
 954                return -EINVAL;
 955
 956        return 0;
 957}
 958
 959static int venc_start_streaming(struct vb2_queue *q, unsigned int count)
 960{
 961        struct venus_inst *inst = vb2_get_drv_priv(q);
 962        int ret;
 963
 964        mutex_lock(&inst->lock);
 965
 966        if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
 967                inst->streamon_out = 1;
 968        else
 969                inst->streamon_cap = 1;
 970
 971        if (!(inst->streamon_out & inst->streamon_cap)) {
 972                mutex_unlock(&inst->lock);
 973                return 0;
 974        }
 975
 976        venus_helper_init_instance(inst);
 977
 978        inst->sequence_cap = 0;
 979        inst->sequence_out = 0;
 980
 981        ret = venc_init_session(inst);
 982        if (ret)
 983                goto bufs_done;
 984
 985        ret = venc_set_properties(inst);
 986        if (ret)
 987                goto deinit_sess;
 988
 989        ret = venc_verify_conf(inst);
 990        if (ret)
 991                goto deinit_sess;
 992
 993        ret = venus_helper_set_num_bufs(inst, inst->num_input_bufs,
 994                                        inst->num_output_bufs, 0);
 995        if (ret)
 996                goto deinit_sess;
 997
 998        ret = venus_helper_vb2_start_streaming(inst);
 999        if (ret)
1000                goto deinit_sess;
1001
1002        mutex_unlock(&inst->lock);
1003
1004        return 0;
1005
1006deinit_sess:
1007        hfi_session_deinit(inst);
1008bufs_done:
1009        venus_helper_buffers_done(inst, VB2_BUF_STATE_QUEUED);
1010        if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
1011                inst->streamon_out = 0;
1012        else
1013                inst->streamon_cap = 0;
1014        mutex_unlock(&inst->lock);
1015        return ret;
1016}
1017
1018static const struct vb2_ops venc_vb2_ops = {
1019        .queue_setup = venc_queue_setup,
1020        .buf_init = venus_helper_vb2_buf_init,
1021        .buf_prepare = venus_helper_vb2_buf_prepare,
1022        .start_streaming = venc_start_streaming,
1023        .stop_streaming = venus_helper_vb2_stop_streaming,
1024        .buf_queue = venus_helper_vb2_buf_queue,
1025};
1026
1027static void venc_buf_done(struct venus_inst *inst, unsigned int buf_type,
1028                          u32 tag, u32 bytesused, u32 data_offset, u32 flags,
1029                          u32 hfi_flags, u64 timestamp_us)
1030{
1031        struct vb2_v4l2_buffer *vbuf;
1032        struct vb2_buffer *vb;
1033        unsigned int type;
1034
1035        if (buf_type == HFI_BUFFER_INPUT)
1036                type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE;
1037        else
1038                type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE;
1039
1040        vbuf = venus_helper_find_buf(inst, type, tag);
1041        if (!vbuf)
1042                return;
1043
1044        vbuf->flags = flags;
1045
1046        if (type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
1047                vb = &vbuf->vb2_buf;
1048                vb2_set_plane_payload(vb, 0, bytesused + data_offset);
1049                vb->planes[0].data_offset = data_offset;
1050                vb->timestamp = timestamp_us * NSEC_PER_USEC;
1051                vbuf->sequence = inst->sequence_cap++;
1052        } else {
1053                vbuf->sequence = inst->sequence_out++;
1054        }
1055
1056        v4l2_m2m_buf_done(vbuf, VB2_BUF_STATE_DONE);
1057}
1058
1059static void venc_event_notify(struct venus_inst *inst, u32 event,
1060                              struct hfi_event_data *data)
1061{
1062        struct device *dev = inst->core->dev_enc;
1063
1064        if (event == EVT_SESSION_ERROR) {
1065                inst->session_error = true;
1066                dev_err(dev, "enc: event session error %x\n", inst->error);
1067        }
1068}
1069
1070static const struct hfi_inst_ops venc_hfi_ops = {
1071        .buf_done = venc_buf_done,
1072        .event_notify = venc_event_notify,
1073};
1074
1075static const struct v4l2_m2m_ops venc_m2m_ops = {
1076        .device_run = venus_helper_m2m_device_run,
1077        .job_abort = venus_helper_m2m_job_abort,
1078};
1079
1080static int m2m_queue_init(void *priv, struct vb2_queue *src_vq,
1081                          struct vb2_queue *dst_vq)
1082{
1083        struct venus_inst *inst = priv;
1084        int ret;
1085
1086        src_vq->type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE;
1087        src_vq->io_modes = VB2_MMAP | VB2_USERPTR | VB2_DMABUF;
1088        src_vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY;
1089        src_vq->ops = &venc_vb2_ops;
1090        src_vq->mem_ops = &vb2_dma_sg_memops;
1091        src_vq->drv_priv = inst;
1092        src_vq->buf_struct_size = sizeof(struct venus_buffer);
1093        src_vq->allow_zero_bytesused = 1;
1094        src_vq->min_buffers_needed = 1;
1095        src_vq->dev = inst->core->dev;
1096        if (inst->core->res->hfi_version == HFI_VERSION_1XX)
1097                src_vq->bidirectional = 1;
1098        ret = vb2_queue_init(src_vq);
1099        if (ret)
1100                return ret;
1101
1102        dst_vq->type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE;
1103        dst_vq->io_modes = VB2_MMAP | VB2_USERPTR | VB2_DMABUF;
1104        dst_vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY;
1105        dst_vq->ops = &venc_vb2_ops;
1106        dst_vq->mem_ops = &vb2_dma_sg_memops;
1107        dst_vq->drv_priv = inst;
1108        dst_vq->buf_struct_size = sizeof(struct venus_buffer);
1109        dst_vq->allow_zero_bytesused = 1;
1110        dst_vq->min_buffers_needed = 1;
1111        dst_vq->dev = inst->core->dev;
1112        ret = vb2_queue_init(dst_vq);
1113        if (ret) {
1114                vb2_queue_release(src_vq);
1115                return ret;
1116        }
1117
1118        return 0;
1119}
1120
1121static void venc_inst_init(struct venus_inst *inst)
1122{
1123        inst->fmt_cap = &venc_formats[2];
1124        inst->fmt_out = &venc_formats[0];
1125        inst->width = 1280;
1126        inst->height = ALIGN(720, 32);
1127        inst->out_width = 1280;
1128        inst->out_height = 720;
1129        inst->fps = 15;
1130        inst->timeperframe.numerator = 1;
1131        inst->timeperframe.denominator = 15;
1132        inst->hfi_codec = HFI_VIDEO_CODEC_H264;
1133}
1134
1135static int venc_open(struct file *file)
1136{
1137        struct venus_core *core = video_drvdata(file);
1138        struct venus_inst *inst;
1139        int ret;
1140
1141        inst = kzalloc(sizeof(*inst), GFP_KERNEL);
1142        if (!inst)
1143                return -ENOMEM;
1144
1145        INIT_LIST_HEAD(&inst->dpbbufs);
1146        INIT_LIST_HEAD(&inst->registeredbufs);
1147        INIT_LIST_HEAD(&inst->internalbufs);
1148        INIT_LIST_HEAD(&inst->list);
1149        mutex_init(&inst->lock);
1150
1151        inst->core = core;
1152        inst->session_type = VIDC_SESSION_TYPE_ENC;
1153
1154        venus_helper_init_instance(inst);
1155
1156        ret = pm_runtime_get_sync(core->dev_enc);
1157        if (ret < 0)
1158                goto err_free_inst;
1159
1160        ret = venc_ctrl_init(inst);
1161        if (ret)
1162                goto err_put_sync;
1163
1164        ret = hfi_session_create(inst, &venc_hfi_ops);
1165        if (ret)
1166                goto err_ctrl_deinit;
1167
1168        venc_inst_init(inst);
1169
1170        /*
1171         * create m2m device for every instance, the m2m context scheduling
1172         * is made by firmware side so we do not need to care about.
1173         */
1174        inst->m2m_dev = v4l2_m2m_init(&venc_m2m_ops);
1175        if (IS_ERR(inst->m2m_dev)) {
1176                ret = PTR_ERR(inst->m2m_dev);
1177                goto err_session_destroy;
1178        }
1179
1180        inst->m2m_ctx = v4l2_m2m_ctx_init(inst->m2m_dev, inst, m2m_queue_init);
1181        if (IS_ERR(inst->m2m_ctx)) {
1182                ret = PTR_ERR(inst->m2m_ctx);
1183                goto err_m2m_release;
1184        }
1185
1186        v4l2_fh_init(&inst->fh, core->vdev_enc);
1187
1188        inst->fh.ctrl_handler = &inst->ctrl_handler;
1189        v4l2_fh_add(&inst->fh);
1190        inst->fh.m2m_ctx = inst->m2m_ctx;
1191        file->private_data = &inst->fh;
1192
1193        return 0;
1194
1195err_m2m_release:
1196        v4l2_m2m_release(inst->m2m_dev);
1197err_session_destroy:
1198        hfi_session_destroy(inst);
1199err_ctrl_deinit:
1200        venc_ctrl_deinit(inst);
1201err_put_sync:
1202        pm_runtime_put_sync(core->dev_enc);
1203err_free_inst:
1204        kfree(inst);
1205        return ret;
1206}
1207
1208static int venc_close(struct file *file)
1209{
1210        struct venus_inst *inst = to_inst(file);
1211
1212        v4l2_m2m_ctx_release(inst->m2m_ctx);
1213        v4l2_m2m_release(inst->m2m_dev);
1214        venc_ctrl_deinit(inst);
1215        hfi_session_destroy(inst);
1216        mutex_destroy(&inst->lock);
1217        v4l2_fh_del(&inst->fh);
1218        v4l2_fh_exit(&inst->fh);
1219
1220        pm_runtime_put_sync(inst->core->dev_enc);
1221
1222        kfree(inst);
1223        return 0;
1224}
1225
1226static const struct v4l2_file_operations venc_fops = {
1227        .owner = THIS_MODULE,
1228        .open = venc_open,
1229        .release = venc_close,
1230        .unlocked_ioctl = video_ioctl2,
1231        .poll = v4l2_m2m_fop_poll,
1232        .mmap = v4l2_m2m_fop_mmap,
1233#ifdef CONFIG_COMPAT
1234        .compat_ioctl32 = v4l2_compat_ioctl32,
1235#endif
1236};
1237
1238static int venc_probe(struct platform_device *pdev)
1239{
1240        struct device *dev = &pdev->dev;
1241        struct video_device *vdev;
1242        struct venus_core *core;
1243        int ret;
1244
1245        if (!dev->parent)
1246                return -EPROBE_DEFER;
1247
1248        core = dev_get_drvdata(dev->parent);
1249        if (!core)
1250                return -EPROBE_DEFER;
1251
1252        if (IS_V3(core) || IS_V4(core)) {
1253                core->core1_clk = devm_clk_get(dev, "core");
1254                if (IS_ERR(core->core1_clk))
1255                        return PTR_ERR(core->core1_clk);
1256        }
1257
1258        if (IS_V4(core)) {
1259                core->core1_bus_clk = devm_clk_get(dev, "bus");
1260                if (IS_ERR(core->core1_bus_clk))
1261                        return PTR_ERR(core->core1_bus_clk);
1262        }
1263
1264        platform_set_drvdata(pdev, core);
1265
1266        vdev = video_device_alloc();
1267        if (!vdev)
1268                return -ENOMEM;
1269
1270        strscpy(vdev->name, "qcom-venus-encoder", sizeof(vdev->name));
1271        vdev->release = video_device_release;
1272        vdev->fops = &venc_fops;
1273        vdev->ioctl_ops = &venc_ioctl_ops;
1274        vdev->vfl_dir = VFL_DIR_M2M;
1275        vdev->v4l2_dev = &core->v4l2_dev;
1276        vdev->device_caps = V4L2_CAP_VIDEO_M2M_MPLANE | V4L2_CAP_STREAMING;
1277
1278        ret = video_register_device(vdev, VFL_TYPE_GRABBER, -1);
1279        if (ret)
1280                goto err_vdev_release;
1281
1282        core->vdev_enc = vdev;
1283        core->dev_enc = dev;
1284
1285        video_set_drvdata(vdev, core);
1286        pm_runtime_enable(dev);
1287
1288        return 0;
1289
1290err_vdev_release:
1291        video_device_release(vdev);
1292        return ret;
1293}
1294
1295static int venc_remove(struct platform_device *pdev)
1296{
1297        struct venus_core *core = dev_get_drvdata(pdev->dev.parent);
1298
1299        video_unregister_device(core->vdev_enc);
1300        pm_runtime_disable(core->dev_enc);
1301
1302        return 0;
1303}
1304
1305static __maybe_unused int venc_runtime_suspend(struct device *dev)
1306{
1307        struct venus_core *core = dev_get_drvdata(dev);
1308        int ret;
1309
1310        if (IS_V1(core))
1311                return 0;
1312
1313        ret = venus_helper_power_enable(core, VIDC_SESSION_TYPE_ENC, true);
1314        if (ret)
1315                return ret;
1316
1317        if (IS_V4(core))
1318                clk_disable_unprepare(core->core1_bus_clk);
1319
1320        clk_disable_unprepare(core->core1_clk);
1321
1322        return venus_helper_power_enable(core, VIDC_SESSION_TYPE_ENC, false);
1323}
1324
1325static __maybe_unused int venc_runtime_resume(struct device *dev)
1326{
1327        struct venus_core *core = dev_get_drvdata(dev);
1328        int ret;
1329
1330        if (IS_V1(core))
1331                return 0;
1332
1333        ret = venus_helper_power_enable(core, VIDC_SESSION_TYPE_ENC, true);
1334        if (ret)
1335                return ret;
1336
1337        ret = clk_prepare_enable(core->core1_clk);
1338        if (ret)
1339                goto err_power_disable;
1340
1341        if (IS_V4(core))
1342                ret = clk_prepare_enable(core->core1_bus_clk);
1343
1344        if (ret)
1345                goto err_unprepare_core1;
1346
1347        return venus_helper_power_enable(core, VIDC_SESSION_TYPE_ENC, false);
1348
1349err_unprepare_core1:
1350        clk_disable_unprepare(core->core1_clk);
1351err_power_disable:
1352        venus_helper_power_enable(core, VIDC_SESSION_TYPE_ENC, false);
1353        return ret;
1354}
1355
1356static const struct dev_pm_ops venc_pm_ops = {
1357        SET_SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend,
1358                                pm_runtime_force_resume)
1359        SET_RUNTIME_PM_OPS(venc_runtime_suspend, venc_runtime_resume, NULL)
1360};
1361
1362static const struct of_device_id venc_dt_match[] = {
1363        { .compatible = "venus-encoder" },
1364        { }
1365};
1366MODULE_DEVICE_TABLE(of, venc_dt_match);
1367
1368static struct platform_driver qcom_venus_enc_driver = {
1369        .probe = venc_probe,
1370        .remove = venc_remove,
1371        .driver = {
1372                .name = "qcom-venus-encoder",
1373                .of_match_table = venc_dt_match,
1374                .pm = &venc_pm_ops,
1375        },
1376};
1377module_platform_driver(qcom_venus_enc_driver);
1378
1379MODULE_ALIAS("platform:qcom-venus-encoder");
1380MODULE_DESCRIPTION("Qualcomm Venus video encoder driver");
1381MODULE_LICENSE("GPL v2");
1382