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-ioctl.h> 13 #include <media/v4l2-event.h> 14 #include <media/v4l2-ctrls.h> 15 #include <media/v4l2-mem2mem.h> 16 #include <media/videobuf2-dma-sg.h> 17 18 #include "hfi_venus_io.h" 19 #include "hfi_parser.h" 20 #include "core.h" 21 #include "helpers.h" 22 #include "vdec.h" 23 #include "pm_helpers.h" 24 25 /* 26 * Three resons to keep MPLANE formats (despite that the number of planes 27 * currently is one): 28 * - the MPLANE formats allow only one plane to be used 29 * - the downstream driver use MPLANE formats too 30 * - future firmware versions could add support for >1 planes 31 */ 32 static const struct venus_format vdec_formats[] = { 33 { 34 .pixfmt = V4L2_PIX_FMT_NV12, 35 .num_planes = 1, 36 .type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE, 37 }, { 38 .pixfmt = V4L2_PIX_FMT_MPEG4, 39 .num_planes = 1, 40 .type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE, 41 .flags = V4L2_FMT_FLAG_DYN_RESOLUTION, 42 }, { 43 .pixfmt = V4L2_PIX_FMT_MPEG2, 44 .num_planes = 1, 45 .type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE, 46 .flags = V4L2_FMT_FLAG_DYN_RESOLUTION, 47 }, { 48 .pixfmt = V4L2_PIX_FMT_H263, 49 .num_planes = 1, 50 .type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE, 51 .flags = V4L2_FMT_FLAG_DYN_RESOLUTION, 52 }, { 53 .pixfmt = V4L2_PIX_FMT_VC1_ANNEX_G, 54 .num_planes = 1, 55 .type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE, 56 .flags = V4L2_FMT_FLAG_DYN_RESOLUTION, 57 }, { 58 .pixfmt = V4L2_PIX_FMT_VC1_ANNEX_L, 59 .num_planes = 1, 60 .type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE, 61 .flags = V4L2_FMT_FLAG_DYN_RESOLUTION, 62 }, { 63 .pixfmt = V4L2_PIX_FMT_H264, 64 .num_planes = 1, 65 .type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE, 66 .flags = V4L2_FMT_FLAG_DYN_RESOLUTION, 67 }, { 68 .pixfmt = V4L2_PIX_FMT_VP8, 69 .num_planes = 1, 70 .type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE, 71 .flags = V4L2_FMT_FLAG_DYN_RESOLUTION, 72 }, { 73 .pixfmt = V4L2_PIX_FMT_VP9, 74 .num_planes = 1, 75 .type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE, 76 .flags = V4L2_FMT_FLAG_DYN_RESOLUTION, 77 }, { 78 .pixfmt = V4L2_PIX_FMT_XVID, 79 .num_planes = 1, 80 .type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE, 81 .flags = V4L2_FMT_FLAG_DYN_RESOLUTION, 82 }, { 83 .pixfmt = V4L2_PIX_FMT_HEVC, 84 .num_planes = 1, 85 .type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE, 86 .flags = V4L2_FMT_FLAG_DYN_RESOLUTION, 87 }, 88 }; 89 90 static const struct venus_format * 91 find_format(struct venus_inst *inst, u32 pixfmt, u32 type) 92 { 93 const struct venus_format *fmt = vdec_formats; 94 unsigned int size = ARRAY_SIZE(vdec_formats); 95 unsigned int i; 96 97 for (i = 0; i < size; i++) { 98 if (fmt[i].pixfmt == pixfmt) 99 break; 100 } 101 102 if (i == size || fmt[i].type != type) 103 return NULL; 104 105 if (type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE && 106 !venus_helper_check_codec(inst, fmt[i].pixfmt)) 107 return NULL; 108 109 return &fmt[i]; 110 } 111 112 static const struct venus_format * 113 find_format_by_index(struct venus_inst *inst, unsigned int index, u32 type) 114 { 115 const struct venus_format *fmt = vdec_formats; 116 unsigned int size = ARRAY_SIZE(vdec_formats); 117 unsigned int i, k = 0; 118 119 if (index > size) 120 return NULL; 121 122 for (i = 0; i < size; i++) { 123 bool valid; 124 125 if (fmt[i].type != type) 126 continue; 127 valid = type != V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE || 128 venus_helper_check_codec(inst, fmt[i].pixfmt); 129 if (k == index && valid) 130 break; 131 if (valid) 132 k++; 133 } 134 135 if (i == size) 136 return NULL; 137 138 return &fmt[i]; 139 } 140 141 static const struct venus_format * 142 vdec_try_fmt_common(struct venus_inst *inst, struct v4l2_format *f) 143 { 144 struct v4l2_pix_format_mplane *pixmp = &f->fmt.pix_mp; 145 struct v4l2_plane_pix_format *pfmt = pixmp->plane_fmt; 146 const struct venus_format *fmt; 147 u32 szimage; 148 149 memset(pfmt[0].reserved, 0, sizeof(pfmt[0].reserved)); 150 memset(pixmp->reserved, 0, sizeof(pixmp->reserved)); 151 152 fmt = find_format(inst, pixmp->pixelformat, f->type); 153 if (!fmt) { 154 if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) 155 pixmp->pixelformat = V4L2_PIX_FMT_NV12; 156 else if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) 157 pixmp->pixelformat = V4L2_PIX_FMT_H264; 158 else 159 return NULL; 160 fmt = find_format(inst, pixmp->pixelformat, f->type); 161 } 162 163 pixmp->width = clamp(pixmp->width, frame_width_min(inst), 164 frame_width_max(inst)); 165 pixmp->height = clamp(pixmp->height, frame_height_min(inst), 166 frame_height_max(inst)); 167 168 if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) 169 pixmp->height = ALIGN(pixmp->height, 32); 170 171 if (pixmp->field == V4L2_FIELD_ANY) 172 pixmp->field = V4L2_FIELD_NONE; 173 pixmp->num_planes = fmt->num_planes; 174 pixmp->flags = 0; 175 176 szimage = venus_helper_get_framesz(pixmp->pixelformat, pixmp->width, 177 pixmp->height); 178 179 if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) { 180 pfmt[0].sizeimage = szimage; 181 pfmt[0].bytesperline = ALIGN(pixmp->width, 128); 182 } else { 183 pfmt[0].sizeimage = clamp_t(u32, pfmt[0].sizeimage, 0, SZ_8M); 184 pfmt[0].sizeimage = max(pfmt[0].sizeimage, szimage); 185 pfmt[0].bytesperline = 0; 186 } 187 188 return fmt; 189 } 190 191 static int vdec_try_fmt(struct file *file, void *fh, struct v4l2_format *f) 192 { 193 struct venus_inst *inst = to_inst(file); 194 195 vdec_try_fmt_common(inst, f); 196 197 return 0; 198 } 199 200 static int vdec_check_src_change(struct venus_inst *inst) 201 { 202 int ret; 203 204 if (inst->subscriptions & V4L2_EVENT_SOURCE_CHANGE && 205 inst->codec_state == VENUS_DEC_STATE_INIT && 206 !inst->reconfig) 207 return -EINVAL; 208 209 if (inst->subscriptions & V4L2_EVENT_SOURCE_CHANGE) 210 return 0; 211 212 /* 213 * The code snippet below is a workaround for backward compatibility 214 * with applications which doesn't support V4L2 events. It will be 215 * dropped in future once those applications are fixed. 216 */ 217 218 if (inst->codec_state != VENUS_DEC_STATE_INIT) 219 goto done; 220 221 ret = wait_event_timeout(inst->reconf_wait, inst->reconfig, 222 msecs_to_jiffies(100)); 223 if (!ret) 224 return -EINVAL; 225 226 if (!(inst->codec_state == VENUS_DEC_STATE_CAPTURE_SETUP) || 227 !inst->reconfig) 228 dev_dbg(inst->core->dev, VDBGH "wrong state\n"); 229 230 done: 231 return 0; 232 } 233 234 static int vdec_g_fmt(struct file *file, void *fh, struct v4l2_format *f) 235 { 236 struct venus_inst *inst = to_inst(file); 237 const struct venus_format *fmt = NULL; 238 struct v4l2_pix_format_mplane *pixmp = &f->fmt.pix_mp; 239 int ret; 240 241 if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) 242 fmt = inst->fmt_cap; 243 else if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) 244 fmt = inst->fmt_out; 245 246 if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) { 247 ret = vdec_check_src_change(inst); 248 if (ret) 249 return ret; 250 } 251 252 pixmp->pixelformat = fmt->pixfmt; 253 254 if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) { 255 pixmp->width = inst->width; 256 pixmp->height = inst->height; 257 pixmp->colorspace = inst->colorspace; 258 pixmp->ycbcr_enc = inst->ycbcr_enc; 259 pixmp->quantization = inst->quantization; 260 pixmp->xfer_func = inst->xfer_func; 261 } else if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) { 262 pixmp->width = inst->out_width; 263 pixmp->height = inst->out_height; 264 } 265 266 vdec_try_fmt_common(inst, f); 267 268 return 0; 269 } 270 271 static int vdec_s_fmt(struct file *file, void *fh, struct v4l2_format *f) 272 { 273 struct venus_inst *inst = to_inst(file); 274 struct v4l2_pix_format_mplane *pixmp = &f->fmt.pix_mp; 275 struct v4l2_pix_format_mplane orig_pixmp; 276 const struct venus_format *fmt; 277 struct v4l2_format format; 278 u32 pixfmt_out = 0, pixfmt_cap = 0; 279 struct vb2_queue *q; 280 281 q = v4l2_m2m_get_vq(inst->m2m_ctx, f->type); 282 if (!q) 283 return -EINVAL; 284 285 if (vb2_is_busy(q)) 286 return -EBUSY; 287 288 orig_pixmp = *pixmp; 289 290 fmt = vdec_try_fmt_common(inst, f); 291 292 if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) { 293 pixfmt_out = pixmp->pixelformat; 294 pixfmt_cap = inst->fmt_cap->pixfmt; 295 } else if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) { 296 pixfmt_cap = pixmp->pixelformat; 297 pixfmt_out = inst->fmt_out->pixfmt; 298 } 299 300 memset(&format, 0, sizeof(format)); 301 302 format.type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE; 303 format.fmt.pix_mp.pixelformat = pixfmt_out; 304 format.fmt.pix_mp.width = orig_pixmp.width; 305 format.fmt.pix_mp.height = orig_pixmp.height; 306 vdec_try_fmt_common(inst, &format); 307 308 if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) { 309 inst->out_width = format.fmt.pix_mp.width; 310 inst->out_height = format.fmt.pix_mp.height; 311 inst->colorspace = pixmp->colorspace; 312 inst->ycbcr_enc = pixmp->ycbcr_enc; 313 inst->quantization = pixmp->quantization; 314 inst->xfer_func = pixmp->xfer_func; 315 inst->input_buf_size = pixmp->plane_fmt[0].sizeimage; 316 } 317 318 memset(&format, 0, sizeof(format)); 319 320 format.type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE; 321 format.fmt.pix_mp.pixelformat = pixfmt_cap; 322 format.fmt.pix_mp.width = orig_pixmp.width; 323 format.fmt.pix_mp.height = orig_pixmp.height; 324 vdec_try_fmt_common(inst, &format); 325 326 inst->width = format.fmt.pix_mp.width; 327 inst->height = format.fmt.pix_mp.height; 328 329 if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) 330 inst->fmt_out = fmt; 331 else if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) 332 inst->fmt_cap = fmt; 333 334 return 0; 335 } 336 337 static int 338 vdec_g_selection(struct file *file, void *fh, struct v4l2_selection *s) 339 { 340 struct venus_inst *inst = to_inst(file); 341 342 if (s->type != V4L2_BUF_TYPE_VIDEO_CAPTURE && 343 s->type != V4L2_BUF_TYPE_VIDEO_OUTPUT) 344 return -EINVAL; 345 346 switch (s->target) { 347 case V4L2_SEL_TGT_CROP_BOUNDS: 348 case V4L2_SEL_TGT_CROP_DEFAULT: 349 case V4L2_SEL_TGT_CROP: 350 if (s->type != V4L2_BUF_TYPE_VIDEO_OUTPUT) 351 return -EINVAL; 352 s->r.width = inst->out_width; 353 s->r.height = inst->out_height; 354 break; 355 case V4L2_SEL_TGT_COMPOSE_BOUNDS: 356 case V4L2_SEL_TGT_COMPOSE_PADDED: 357 if (s->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) 358 return -EINVAL; 359 s->r.width = inst->width; 360 s->r.height = inst->height; 361 break; 362 case V4L2_SEL_TGT_COMPOSE_DEFAULT: 363 case V4L2_SEL_TGT_COMPOSE: 364 if (s->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) 365 return -EINVAL; 366 s->r.width = inst->out_width; 367 s->r.height = inst->out_height; 368 break; 369 default: 370 return -EINVAL; 371 } 372 373 s->r.top = 0; 374 s->r.left = 0; 375 376 return 0; 377 } 378 379 static int 380 vdec_querycap(struct file *file, void *fh, struct v4l2_capability *cap) 381 { 382 strscpy(cap->driver, "qcom-venus", sizeof(cap->driver)); 383 strscpy(cap->card, "Qualcomm Venus video decoder", sizeof(cap->card)); 384 strscpy(cap->bus_info, "platform:qcom-venus", sizeof(cap->bus_info)); 385 386 return 0; 387 } 388 389 static int vdec_enum_fmt(struct file *file, void *fh, struct v4l2_fmtdesc *f) 390 { 391 struct venus_inst *inst = to_inst(file); 392 const struct venus_format *fmt; 393 394 memset(f->reserved, 0, sizeof(f->reserved)); 395 396 fmt = find_format_by_index(inst, f->index, f->type); 397 if (!fmt) 398 return -EINVAL; 399 400 f->pixelformat = fmt->pixfmt; 401 f->flags = fmt->flags; 402 403 return 0; 404 } 405 406 static int vdec_s_parm(struct file *file, void *fh, struct v4l2_streamparm *a) 407 { 408 struct venus_inst *inst = to_inst(file); 409 struct v4l2_captureparm *cap = &a->parm.capture; 410 struct v4l2_fract *timeperframe = &cap->timeperframe; 411 u64 us_per_frame, fps; 412 413 if (a->type != V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE && 414 a->type != V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) 415 return -EINVAL; 416 417 memset(cap->reserved, 0, sizeof(cap->reserved)); 418 if (!timeperframe->denominator) 419 timeperframe->denominator = inst->timeperframe.denominator; 420 if (!timeperframe->numerator) 421 timeperframe->numerator = inst->timeperframe.numerator; 422 cap->readbuffers = 0; 423 cap->extendedmode = 0; 424 cap->capability = V4L2_CAP_TIMEPERFRAME; 425 us_per_frame = timeperframe->numerator * (u64)USEC_PER_SEC; 426 do_div(us_per_frame, timeperframe->denominator); 427 428 if (!us_per_frame) 429 return -EINVAL; 430 431 fps = (u64)USEC_PER_SEC; 432 do_div(fps, us_per_frame); 433 434 inst->fps = fps; 435 inst->timeperframe = *timeperframe; 436 437 return 0; 438 } 439 440 static int vdec_enum_framesizes(struct file *file, void *fh, 441 struct v4l2_frmsizeenum *fsize) 442 { 443 struct venus_inst *inst = to_inst(file); 444 const struct venus_format *fmt; 445 446 fmt = find_format(inst, fsize->pixel_format, 447 V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE); 448 if (!fmt) { 449 fmt = find_format(inst, fsize->pixel_format, 450 V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE); 451 if (!fmt) 452 return -EINVAL; 453 } 454 455 if (fsize->index) 456 return -EINVAL; 457 458 fsize->type = V4L2_FRMSIZE_TYPE_STEPWISE; 459 460 fsize->stepwise.min_width = frame_width_min(inst); 461 fsize->stepwise.max_width = frame_width_max(inst); 462 fsize->stepwise.step_width = frame_width_step(inst); 463 fsize->stepwise.min_height = frame_height_min(inst); 464 fsize->stepwise.max_height = frame_height_max(inst); 465 fsize->stepwise.step_height = frame_height_step(inst); 466 467 return 0; 468 } 469 470 static int vdec_subscribe_event(struct v4l2_fh *fh, 471 const struct v4l2_event_subscription *sub) 472 { 473 struct venus_inst *inst = container_of(fh, struct venus_inst, fh); 474 int ret; 475 476 switch (sub->type) { 477 case V4L2_EVENT_EOS: 478 return v4l2_event_subscribe(fh, sub, 2, NULL); 479 case V4L2_EVENT_SOURCE_CHANGE: 480 ret = v4l2_src_change_event_subscribe(fh, sub); 481 if (ret) 482 return ret; 483 inst->subscriptions |= V4L2_EVENT_SOURCE_CHANGE; 484 return 0; 485 case V4L2_EVENT_CTRL: 486 return v4l2_ctrl_subscribe_event(fh, sub); 487 default: 488 return -EINVAL; 489 } 490 } 491 492 static int 493 vdec_decoder_cmd(struct file *file, void *fh, struct v4l2_decoder_cmd *cmd) 494 { 495 struct venus_inst *inst = to_inst(file); 496 struct hfi_frame_data fdata = {0}; 497 int ret; 498 499 ret = v4l2_m2m_ioctl_try_decoder_cmd(file, fh, cmd); 500 if (ret) 501 return ret; 502 503 mutex_lock(&inst->lock); 504 505 if (cmd->cmd == V4L2_DEC_CMD_STOP) { 506 /* 507 * Implement V4L2_DEC_CMD_STOP by enqueue an empty buffer on 508 * decoder input to signal EOS. 509 */ 510 if (!(inst->streamon_out && inst->streamon_cap)) 511 goto unlock; 512 513 fdata.buffer_type = HFI_BUFFER_INPUT; 514 fdata.flags |= HFI_BUFFERFLAG_EOS; 515 fdata.device_addr = 0xdeadb000; 516 517 ret = hfi_session_process_buf(inst, &fdata); 518 519 if (!ret && inst->codec_state == VENUS_DEC_STATE_DECODING) 520 inst->codec_state = VENUS_DEC_STATE_DRAIN; 521 } 522 523 unlock: 524 mutex_unlock(&inst->lock); 525 return ret; 526 } 527 528 static const struct v4l2_ioctl_ops vdec_ioctl_ops = { 529 .vidioc_querycap = vdec_querycap, 530 .vidioc_enum_fmt_vid_cap = vdec_enum_fmt, 531 .vidioc_enum_fmt_vid_out = vdec_enum_fmt, 532 .vidioc_s_fmt_vid_cap_mplane = vdec_s_fmt, 533 .vidioc_s_fmt_vid_out_mplane = vdec_s_fmt, 534 .vidioc_g_fmt_vid_cap_mplane = vdec_g_fmt, 535 .vidioc_g_fmt_vid_out_mplane = vdec_g_fmt, 536 .vidioc_try_fmt_vid_cap_mplane = vdec_try_fmt, 537 .vidioc_try_fmt_vid_out_mplane = vdec_try_fmt, 538 .vidioc_g_selection = vdec_g_selection, 539 .vidioc_reqbufs = v4l2_m2m_ioctl_reqbufs, 540 .vidioc_querybuf = v4l2_m2m_ioctl_querybuf, 541 .vidioc_create_bufs = v4l2_m2m_ioctl_create_bufs, 542 .vidioc_prepare_buf = v4l2_m2m_ioctl_prepare_buf, 543 .vidioc_qbuf = v4l2_m2m_ioctl_qbuf, 544 .vidioc_expbuf = v4l2_m2m_ioctl_expbuf, 545 .vidioc_dqbuf = v4l2_m2m_ioctl_dqbuf, 546 .vidioc_streamon = v4l2_m2m_ioctl_streamon, 547 .vidioc_streamoff = v4l2_m2m_ioctl_streamoff, 548 .vidioc_s_parm = vdec_s_parm, 549 .vidioc_enum_framesizes = vdec_enum_framesizes, 550 .vidioc_subscribe_event = vdec_subscribe_event, 551 .vidioc_unsubscribe_event = v4l2_event_unsubscribe, 552 .vidioc_try_decoder_cmd = v4l2_m2m_ioctl_try_decoder_cmd, 553 .vidioc_decoder_cmd = vdec_decoder_cmd, 554 }; 555 556 static int vdec_pm_get(struct venus_inst *inst) 557 { 558 struct venus_core *core = inst->core; 559 struct device *dev = core->dev_dec; 560 int ret; 561 562 mutex_lock(&core->pm_lock); 563 ret = pm_runtime_get_sync(dev); 564 mutex_unlock(&core->pm_lock); 565 566 return ret < 0 ? ret : 0; 567 } 568 569 static int vdec_pm_put(struct venus_inst *inst, bool autosuspend) 570 { 571 struct venus_core *core = inst->core; 572 struct device *dev = core->dev_dec; 573 int ret; 574 575 mutex_lock(&core->pm_lock); 576 577 if (autosuspend) 578 ret = pm_runtime_put_autosuspend(dev); 579 else 580 ret = pm_runtime_put_sync(dev); 581 582 mutex_unlock(&core->pm_lock); 583 584 return ret < 0 ? ret : 0; 585 } 586 587 static int vdec_pm_get_put(struct venus_inst *inst) 588 { 589 struct venus_core *core = inst->core; 590 struct device *dev = core->dev_dec; 591 int ret = 0; 592 593 mutex_lock(&core->pm_lock); 594 595 if (pm_runtime_suspended(dev)) { 596 ret = pm_runtime_get_sync(dev); 597 if (ret < 0) 598 goto error; 599 600 ret = pm_runtime_put_autosuspend(dev); 601 } 602 603 error: 604 mutex_unlock(&core->pm_lock); 605 606 return ret < 0 ? ret : 0; 607 } 608 609 static void vdec_pm_touch(struct venus_inst *inst) 610 { 611 pm_runtime_mark_last_busy(inst->core->dev_dec); 612 } 613 614 static int vdec_set_properties(struct venus_inst *inst) 615 { 616 struct vdec_controls *ctr = &inst->controls.dec; 617 struct hfi_enable en = { .enable = 1 }; 618 u32 ptype; 619 int ret; 620 621 if (ctr->post_loop_deb_mode) { 622 ptype = HFI_PROPERTY_CONFIG_VDEC_POST_LOOP_DEBLOCKER; 623 ret = hfi_session_set_property(inst, ptype, &en); 624 if (ret) 625 return ret; 626 } 627 628 return 0; 629 } 630 631 #define is_ubwc_fmt(fmt) (!!((fmt) & HFI_COLOR_FORMAT_UBWC_BASE)) 632 633 static int vdec_output_conf(struct venus_inst *inst) 634 { 635 struct venus_core *core = inst->core; 636 struct hfi_enable en = { .enable = 1 }; 637 u32 width = inst->out_width; 638 u32 height = inst->out_height; 639 u32 out_fmt, out2_fmt; 640 bool ubwc = false; 641 u32 ptype; 642 int ret; 643 644 ret = venus_helper_set_work_mode(inst, VIDC_WORK_MODE_2); 645 if (ret) 646 return ret; 647 648 if (core->res->hfi_version == HFI_VERSION_1XX) { 649 ptype = HFI_PROPERTY_PARAM_VDEC_CONTINUE_DATA_TRANSFER; 650 ret = hfi_session_set_property(inst, ptype, &en); 651 if (ret) 652 return ret; 653 } 654 655 /* Force searching UBWC formats for bigger then HD resolutions */ 656 if (width > 1920 && height > ALIGN(1080, 32)) 657 ubwc = true; 658 659 /* For Venus v4 UBWC format is mandatory */ 660 if (IS_V4(core)) 661 ubwc = true; 662 663 ret = venus_helper_get_out_fmts(inst, inst->fmt_cap->pixfmt, &out_fmt, 664 &out2_fmt, ubwc); 665 if (ret) 666 return ret; 667 668 inst->output_buf_size = 669 venus_helper_get_framesz_raw(out_fmt, width, height); 670 inst->output2_buf_size = 671 venus_helper_get_framesz_raw(out2_fmt, width, height); 672 673 if (is_ubwc_fmt(out_fmt)) { 674 inst->opb_buftype = HFI_BUFFER_OUTPUT2; 675 inst->opb_fmt = out2_fmt; 676 inst->dpb_buftype = HFI_BUFFER_OUTPUT; 677 inst->dpb_fmt = out_fmt; 678 } else if (is_ubwc_fmt(out2_fmt)) { 679 inst->opb_buftype = HFI_BUFFER_OUTPUT; 680 inst->opb_fmt = out_fmt; 681 inst->dpb_buftype = HFI_BUFFER_OUTPUT2; 682 inst->dpb_fmt = out2_fmt; 683 } else { 684 inst->opb_buftype = HFI_BUFFER_OUTPUT; 685 inst->opb_fmt = out_fmt; 686 inst->dpb_buftype = 0; 687 inst->dpb_fmt = 0; 688 } 689 690 ret = venus_helper_set_raw_format(inst, inst->opb_fmt, 691 inst->opb_buftype); 692 if (ret) 693 return ret; 694 695 if (inst->dpb_fmt) { 696 ret = venus_helper_set_multistream(inst, false, true); 697 if (ret) 698 return ret; 699 700 ret = venus_helper_set_raw_format(inst, inst->dpb_fmt, 701 inst->dpb_buftype); 702 if (ret) 703 return ret; 704 705 ret = venus_helper_set_output_resolution(inst, width, height, 706 HFI_BUFFER_OUTPUT2); 707 if (ret) 708 return ret; 709 } 710 711 if (IS_V3(core) || IS_V4(core)) { 712 if (inst->output2_buf_size) { 713 ret = venus_helper_set_bufsize(inst, 714 inst->output2_buf_size, 715 HFI_BUFFER_OUTPUT2); 716 if (ret) 717 return ret; 718 } 719 720 if (inst->output_buf_size) { 721 ret = venus_helper_set_bufsize(inst, 722 inst->output_buf_size, 723 HFI_BUFFER_OUTPUT); 724 if (ret) 725 return ret; 726 } 727 } 728 729 ret = venus_helper_set_dyn_bufmode(inst); 730 if (ret) 731 return ret; 732 733 return 0; 734 } 735 736 static int vdec_session_init(struct venus_inst *inst) 737 { 738 int ret; 739 740 ret = hfi_session_init(inst, inst->fmt_out->pixfmt); 741 if (ret == -EINVAL) 742 return 0; 743 else if (ret) 744 return ret; 745 746 ret = venus_helper_set_input_resolution(inst, frame_width_min(inst), 747 frame_height_min(inst)); 748 if (ret) 749 goto deinit; 750 751 ret = venus_helper_init_codec_freq_data(inst); 752 if (ret) 753 goto deinit; 754 755 return 0; 756 deinit: 757 hfi_session_deinit(inst); 758 return ret; 759 } 760 761 static int vdec_num_buffers(struct venus_inst *inst, unsigned int *in_num, 762 unsigned int *out_num) 763 { 764 enum hfi_version ver = inst->core->res->hfi_version; 765 struct hfi_buffer_requirements bufreq; 766 int ret; 767 768 *in_num = *out_num = 0; 769 770 ret = venus_helper_get_bufreq(inst, HFI_BUFFER_INPUT, &bufreq); 771 if (ret) 772 return ret; 773 774 *in_num = HFI_BUFREQ_COUNT_MIN(&bufreq, ver); 775 776 ret = venus_helper_get_bufreq(inst, HFI_BUFFER_OUTPUT, &bufreq); 777 if (ret) 778 return ret; 779 780 *out_num = HFI_BUFREQ_COUNT_MIN(&bufreq, ver); 781 782 return 0; 783 } 784 785 static int vdec_queue_setup(struct vb2_queue *q, 786 unsigned int *num_buffers, unsigned int *num_planes, 787 unsigned int sizes[], struct device *alloc_devs[]) 788 { 789 struct venus_inst *inst = vb2_get_drv_priv(q); 790 unsigned int in_num, out_num; 791 int ret = 0; 792 793 if (*num_planes) { 794 unsigned int output_buf_size = venus_helper_get_opb_size(inst); 795 796 if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE && 797 *num_planes != inst->fmt_out->num_planes) 798 return -EINVAL; 799 800 if (q->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE && 801 *num_planes != inst->fmt_cap->num_planes) 802 return -EINVAL; 803 804 if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE && 805 sizes[0] < inst->input_buf_size) 806 return -EINVAL; 807 808 if (q->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE && 809 sizes[0] < output_buf_size) 810 return -EINVAL; 811 812 return 0; 813 } 814 815 ret = vdec_pm_get(inst); 816 if (ret) 817 return ret; 818 819 ret = vdec_session_init(inst); 820 if (ret) 821 goto put_power; 822 823 ret = vdec_num_buffers(inst, &in_num, &out_num); 824 if (ret) 825 goto put_power; 826 827 ret = vdec_pm_put(inst, false); 828 if (ret) 829 return ret; 830 831 switch (q->type) { 832 case V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE: 833 *num_planes = inst->fmt_out->num_planes; 834 sizes[0] = venus_helper_get_framesz(inst->fmt_out->pixfmt, 835 inst->out_width, 836 inst->out_height); 837 sizes[0] = max(sizes[0], inst->input_buf_size); 838 inst->input_buf_size = sizes[0]; 839 *num_buffers = max(*num_buffers, in_num); 840 inst->num_input_bufs = *num_buffers; 841 inst->num_output_bufs = out_num; 842 break; 843 case V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE: 844 *num_planes = inst->fmt_cap->num_planes; 845 sizes[0] = venus_helper_get_framesz(inst->fmt_cap->pixfmt, 846 inst->width, 847 inst->height); 848 inst->output_buf_size = sizes[0]; 849 *num_buffers = max(*num_buffers, out_num); 850 inst->num_output_bufs = *num_buffers; 851 852 mutex_lock(&inst->lock); 853 if (inst->codec_state == VENUS_DEC_STATE_CAPTURE_SETUP) 854 inst->codec_state = VENUS_DEC_STATE_STOPPED; 855 mutex_unlock(&inst->lock); 856 break; 857 default: 858 ret = -EINVAL; 859 break; 860 } 861 862 return ret; 863 864 put_power: 865 vdec_pm_put(inst, false); 866 return ret; 867 } 868 869 static int vdec_verify_conf(struct venus_inst *inst) 870 { 871 enum hfi_version ver = inst->core->res->hfi_version; 872 struct hfi_buffer_requirements bufreq; 873 int ret; 874 875 if (!inst->num_input_bufs || !inst->num_output_bufs) 876 return -EINVAL; 877 878 ret = venus_helper_get_bufreq(inst, HFI_BUFFER_OUTPUT, &bufreq); 879 if (ret) 880 return ret; 881 882 if (inst->num_output_bufs < bufreq.count_actual || 883 inst->num_output_bufs < HFI_BUFREQ_COUNT_MIN(&bufreq, ver)) 884 return -EINVAL; 885 886 ret = venus_helper_get_bufreq(inst, HFI_BUFFER_INPUT, &bufreq); 887 if (ret) 888 return ret; 889 890 if (inst->num_input_bufs < HFI_BUFREQ_COUNT_MIN(&bufreq, ver)) 891 return -EINVAL; 892 893 return 0; 894 } 895 896 static int vdec_start_capture(struct venus_inst *inst) 897 { 898 int ret; 899 900 if (!inst->streamon_out) 901 return 0; 902 903 if (inst->codec_state == VENUS_DEC_STATE_DECODING) { 904 if (inst->reconfig) 905 goto reconfigure; 906 907 venus_helper_queue_dpb_bufs(inst); 908 venus_helper_process_initial_cap_bufs(inst); 909 inst->streamon_cap = 1; 910 return 0; 911 } 912 913 if (inst->codec_state != VENUS_DEC_STATE_STOPPED) 914 return 0; 915 916 reconfigure: 917 ret = hfi_session_flush(inst, HFI_FLUSH_OUTPUT, true); 918 if (ret) 919 return ret; 920 921 ret = vdec_output_conf(inst); 922 if (ret) 923 return ret; 924 925 ret = venus_helper_set_num_bufs(inst, inst->num_input_bufs, 926 VB2_MAX_FRAME, VB2_MAX_FRAME); 927 if (ret) 928 return ret; 929 930 ret = venus_helper_intbufs_realloc(inst); 931 if (ret) 932 goto err; 933 934 ret = venus_helper_alloc_dpb_bufs(inst); 935 if (ret) 936 goto err; 937 938 ret = venus_helper_queue_dpb_bufs(inst); 939 if (ret) 940 goto free_dpb_bufs; 941 942 ret = venus_helper_process_initial_cap_bufs(inst); 943 if (ret) 944 goto free_dpb_bufs; 945 946 venus_pm_load_scale(inst); 947 948 ret = hfi_session_continue(inst); 949 if (ret) 950 goto free_dpb_bufs; 951 952 inst->codec_state = VENUS_DEC_STATE_DECODING; 953 954 inst->streamon_cap = 1; 955 inst->sequence_cap = 0; 956 inst->reconfig = false; 957 958 return 0; 959 960 free_dpb_bufs: 961 venus_helper_free_dpb_bufs(inst); 962 err: 963 return ret; 964 } 965 966 static int vdec_start_output(struct venus_inst *inst) 967 { 968 int ret; 969 970 if (inst->codec_state == VENUS_DEC_STATE_SEEK) { 971 ret = venus_helper_process_initial_out_bufs(inst); 972 inst->codec_state = VENUS_DEC_STATE_DECODING; 973 goto done; 974 } 975 976 if (inst->codec_state == VENUS_DEC_STATE_INIT || 977 inst->codec_state == VENUS_DEC_STATE_CAPTURE_SETUP) { 978 ret = venus_helper_process_initial_out_bufs(inst); 979 goto done; 980 } 981 982 if (inst->codec_state != VENUS_DEC_STATE_DEINIT) 983 return -EINVAL; 984 985 venus_helper_init_instance(inst); 986 inst->sequence_out = 0; 987 inst->reconfig = false; 988 989 ret = vdec_set_properties(inst); 990 if (ret) 991 return ret; 992 993 ret = vdec_output_conf(inst); 994 if (ret) 995 return ret; 996 997 ret = vdec_verify_conf(inst); 998 if (ret) 999 return ret; 1000 1001 ret = venus_helper_set_num_bufs(inst, inst->num_input_bufs, 1002 VB2_MAX_FRAME, VB2_MAX_FRAME); 1003 if (ret) 1004 return ret; 1005 1006 ret = venus_helper_vb2_start_streaming(inst); 1007 if (ret) 1008 return ret; 1009 1010 ret = venus_helper_process_initial_out_bufs(inst); 1011 if (ret) 1012 return ret; 1013 1014 inst->codec_state = VENUS_DEC_STATE_INIT; 1015 1016 done: 1017 inst->streamon_out = 1; 1018 return ret; 1019 } 1020 1021 static int vdec_start_streaming(struct vb2_queue *q, unsigned int count) 1022 { 1023 struct venus_inst *inst = vb2_get_drv_priv(q); 1024 int ret; 1025 1026 mutex_lock(&inst->lock); 1027 1028 if (q->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) { 1029 ret = vdec_start_capture(inst); 1030 } else { 1031 ret = vdec_pm_get(inst); 1032 if (ret) 1033 goto error; 1034 1035 ret = venus_pm_acquire_core(inst); 1036 if (ret) 1037 goto put_power; 1038 1039 ret = vdec_pm_put(inst, true); 1040 if (ret) 1041 goto error; 1042 1043 ret = vdec_start_output(inst); 1044 } 1045 1046 if (ret) 1047 goto error; 1048 1049 mutex_unlock(&inst->lock); 1050 return 0; 1051 1052 put_power: 1053 vdec_pm_put(inst, false); 1054 error: 1055 venus_helper_buffers_done(inst, q->type, VB2_BUF_STATE_QUEUED); 1056 mutex_unlock(&inst->lock); 1057 return ret; 1058 } 1059 1060 static void vdec_cancel_dst_buffers(struct venus_inst *inst) 1061 { 1062 struct vb2_v4l2_buffer *buf; 1063 1064 while ((buf = v4l2_m2m_dst_buf_remove(inst->m2m_ctx))) 1065 v4l2_m2m_buf_done(buf, VB2_BUF_STATE_ERROR); 1066 } 1067 1068 static int vdec_stop_capture(struct venus_inst *inst) 1069 { 1070 int ret = 0; 1071 1072 switch (inst->codec_state) { 1073 case VENUS_DEC_STATE_DECODING: 1074 ret = hfi_session_flush(inst, HFI_FLUSH_ALL, true); 1075 fallthrough; 1076 case VENUS_DEC_STATE_DRAIN: 1077 vdec_cancel_dst_buffers(inst); 1078 inst->codec_state = VENUS_DEC_STATE_STOPPED; 1079 break; 1080 case VENUS_DEC_STATE_DRC: 1081 WARN_ON(1); 1082 fallthrough; 1083 case VENUS_DEC_STATE_DRC_FLUSH_DONE: 1084 inst->codec_state = VENUS_DEC_STATE_CAPTURE_SETUP; 1085 venus_helper_free_dpb_bufs(inst); 1086 break; 1087 default: 1088 break; 1089 } 1090 1091 return ret; 1092 } 1093 1094 static int vdec_stop_output(struct venus_inst *inst) 1095 { 1096 int ret = 0; 1097 1098 switch (inst->codec_state) { 1099 case VENUS_DEC_STATE_DECODING: 1100 case VENUS_DEC_STATE_DRAIN: 1101 case VENUS_DEC_STATE_STOPPED: 1102 ret = hfi_session_flush(inst, HFI_FLUSH_ALL, true); 1103 inst->codec_state = VENUS_DEC_STATE_SEEK; 1104 break; 1105 case VENUS_DEC_STATE_INIT: 1106 case VENUS_DEC_STATE_CAPTURE_SETUP: 1107 ret = hfi_session_flush(inst, HFI_FLUSH_INPUT, true); 1108 break; 1109 default: 1110 break; 1111 } 1112 1113 return ret; 1114 } 1115 1116 static void vdec_stop_streaming(struct vb2_queue *q) 1117 { 1118 struct venus_inst *inst = vb2_get_drv_priv(q); 1119 int ret = -EINVAL; 1120 1121 mutex_lock(&inst->lock); 1122 1123 if (q->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) 1124 ret = vdec_stop_capture(inst); 1125 else 1126 ret = vdec_stop_output(inst); 1127 1128 venus_helper_buffers_done(inst, q->type, VB2_BUF_STATE_ERROR); 1129 1130 if (ret) 1131 goto unlock; 1132 1133 if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) 1134 inst->streamon_out = 0; 1135 else 1136 inst->streamon_cap = 0; 1137 1138 unlock: 1139 mutex_unlock(&inst->lock); 1140 } 1141 1142 static void vdec_session_release(struct venus_inst *inst) 1143 { 1144 struct venus_core *core = inst->core; 1145 int ret, abort = 0; 1146 1147 vdec_pm_get(inst); 1148 1149 mutex_lock(&inst->lock); 1150 inst->codec_state = VENUS_DEC_STATE_DEINIT; 1151 1152 ret = hfi_session_stop(inst); 1153 abort = (ret && ret != -EINVAL) ? 1 : 0; 1154 ret = hfi_session_unload_res(inst); 1155 abort = (ret && ret != -EINVAL) ? 1 : 0; 1156 ret = venus_helper_unregister_bufs(inst); 1157 abort = (ret && ret != -EINVAL) ? 1 : 0; 1158 ret = venus_helper_intbufs_free(inst); 1159 abort = (ret && ret != -EINVAL) ? 1 : 0; 1160 ret = hfi_session_deinit(inst); 1161 abort = (ret && ret != -EINVAL) ? 1 : 0; 1162 1163 if (inst->session_error || core->sys_error) 1164 abort = 1; 1165 1166 if (abort) 1167 hfi_session_abort(inst); 1168 1169 venus_helper_free_dpb_bufs(inst); 1170 venus_pm_load_scale(inst); 1171 INIT_LIST_HEAD(&inst->registeredbufs); 1172 mutex_unlock(&inst->lock); 1173 1174 venus_pm_release_core(inst); 1175 vdec_pm_put(inst, false); 1176 } 1177 1178 static int vdec_buf_init(struct vb2_buffer *vb) 1179 { 1180 struct venus_inst *inst = vb2_get_drv_priv(vb->vb2_queue); 1181 1182 inst->buf_count++; 1183 1184 return venus_helper_vb2_buf_init(vb); 1185 } 1186 1187 static void vdec_buf_cleanup(struct vb2_buffer *vb) 1188 { 1189 struct venus_inst *inst = vb2_get_drv_priv(vb->vb2_queue); 1190 struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb); 1191 struct venus_buffer *buf = to_venus_buffer(vbuf); 1192 1193 mutex_lock(&inst->lock); 1194 if (vb->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) 1195 if (!list_empty(&inst->registeredbufs)) 1196 list_del_init(&buf->reg_list); 1197 mutex_unlock(&inst->lock); 1198 1199 inst->buf_count--; 1200 if (!inst->buf_count) 1201 vdec_session_release(inst); 1202 } 1203 1204 static void vdec_vb2_buf_queue(struct vb2_buffer *vb) 1205 { 1206 struct venus_inst *inst = vb2_get_drv_priv(vb->vb2_queue); 1207 1208 vdec_pm_get_put(inst); 1209 1210 venus_helper_vb2_buf_queue(vb); 1211 } 1212 1213 static const struct vb2_ops vdec_vb2_ops = { 1214 .queue_setup = vdec_queue_setup, 1215 .buf_init = vdec_buf_init, 1216 .buf_cleanup = vdec_buf_cleanup, 1217 .buf_prepare = venus_helper_vb2_buf_prepare, 1218 .start_streaming = vdec_start_streaming, 1219 .stop_streaming = vdec_stop_streaming, 1220 .buf_queue = vdec_vb2_buf_queue, 1221 }; 1222 1223 static void vdec_buf_done(struct venus_inst *inst, unsigned int buf_type, 1224 u32 tag, u32 bytesused, u32 data_offset, u32 flags, 1225 u32 hfi_flags, u64 timestamp_us) 1226 { 1227 enum vb2_buffer_state state = VB2_BUF_STATE_DONE; 1228 struct vb2_v4l2_buffer *vbuf; 1229 struct vb2_buffer *vb; 1230 unsigned int type; 1231 1232 vdec_pm_touch(inst); 1233 1234 if (buf_type == HFI_BUFFER_INPUT) 1235 type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE; 1236 else 1237 type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE; 1238 1239 vbuf = venus_helper_find_buf(inst, type, tag); 1240 if (!vbuf) 1241 return; 1242 1243 vbuf->flags = flags; 1244 vbuf->field = V4L2_FIELD_NONE; 1245 vb = &vbuf->vb2_buf; 1246 1247 if (type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) { 1248 vb2_set_plane_payload(vb, 0, bytesused); 1249 vb->planes[0].data_offset = data_offset; 1250 vb->timestamp = timestamp_us * NSEC_PER_USEC; 1251 vbuf->sequence = inst->sequence_cap++; 1252 1253 if (inst->last_buf == vb) { 1254 inst->last_buf = NULL; 1255 vbuf->flags |= V4L2_BUF_FLAG_LAST; 1256 vb2_set_plane_payload(vb, 0, 0); 1257 vb->timestamp = 0; 1258 } 1259 1260 if (vbuf->flags & V4L2_BUF_FLAG_LAST) { 1261 const struct v4l2_event ev = { .type = V4L2_EVENT_EOS }; 1262 1263 v4l2_event_queue_fh(&inst->fh, &ev); 1264 1265 if (inst->codec_state == VENUS_DEC_STATE_DRAIN) 1266 inst->codec_state = VENUS_DEC_STATE_STOPPED; 1267 } 1268 1269 if (!bytesused) 1270 state = VB2_BUF_STATE_ERROR; 1271 } else { 1272 vbuf->sequence = inst->sequence_out++; 1273 } 1274 1275 venus_helper_get_ts_metadata(inst, timestamp_us, vbuf); 1276 1277 if (hfi_flags & HFI_BUFFERFLAG_READONLY) 1278 venus_helper_acquire_buf_ref(vbuf); 1279 1280 if (hfi_flags & HFI_BUFFERFLAG_DATACORRUPT) 1281 state = VB2_BUF_STATE_ERROR; 1282 1283 if (hfi_flags & HFI_BUFFERFLAG_DROP_FRAME) { 1284 state = VB2_BUF_STATE_ERROR; 1285 vb2_set_plane_payload(vb, 0, 0); 1286 vb->timestamp = 0; 1287 } 1288 1289 v4l2_m2m_buf_done(vbuf, state); 1290 } 1291 1292 static void vdec_event_change(struct venus_inst *inst, 1293 struct hfi_event_data *ev_data, bool sufficient) 1294 { 1295 static const struct v4l2_event ev = { 1296 .type = V4L2_EVENT_SOURCE_CHANGE, 1297 .u.src_change.changes = V4L2_EVENT_SRC_CH_RESOLUTION }; 1298 struct device *dev = inst->core->dev_dec; 1299 struct v4l2_format format = {}; 1300 1301 mutex_lock(&inst->lock); 1302 1303 format.type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE; 1304 format.fmt.pix_mp.pixelformat = inst->fmt_cap->pixfmt; 1305 format.fmt.pix_mp.width = ev_data->width; 1306 format.fmt.pix_mp.height = ev_data->height; 1307 1308 vdec_try_fmt_common(inst, &format); 1309 1310 inst->width = format.fmt.pix_mp.width; 1311 inst->height = format.fmt.pix_mp.height; 1312 1313 inst->out_width = ev_data->width; 1314 inst->out_height = ev_data->height; 1315 1316 if (inst->bit_depth != ev_data->bit_depth) 1317 inst->bit_depth = ev_data->bit_depth; 1318 1319 dev_dbg(dev, VDBGM "event %s sufficient resources (%ux%u)\n", 1320 sufficient ? "" : "not", ev_data->width, ev_data->height); 1321 1322 if (sufficient) { 1323 hfi_session_continue(inst); 1324 } else { 1325 switch (inst->codec_state) { 1326 case VENUS_DEC_STATE_INIT: 1327 inst->codec_state = VENUS_DEC_STATE_CAPTURE_SETUP; 1328 break; 1329 case VENUS_DEC_STATE_DECODING: 1330 inst->codec_state = VENUS_DEC_STATE_DRC; 1331 break; 1332 default: 1333 break; 1334 } 1335 } 1336 1337 /* 1338 * The assumption is that the firmware have to return the last buffer 1339 * before this event is received in the v4l2 driver. Also the firmware 1340 * itself doesn't mark the last decoder output buffer with HFI EOS flag. 1341 */ 1342 1343 if (!sufficient && inst->codec_state == VENUS_DEC_STATE_DRC) { 1344 struct vb2_v4l2_buffer *last; 1345 int ret; 1346 1347 last = v4l2_m2m_last_dst_buf(inst->m2m_ctx); 1348 if (last) 1349 inst->last_buf = &last->vb2_buf; 1350 1351 ret = hfi_session_flush(inst, HFI_FLUSH_OUTPUT, false); 1352 if (ret) 1353 dev_dbg(dev, VDBGH "flush output error %d\n", ret); 1354 } 1355 1356 inst->reconfig = true; 1357 v4l2_event_queue_fh(&inst->fh, &ev); 1358 wake_up(&inst->reconf_wait); 1359 1360 mutex_unlock(&inst->lock); 1361 } 1362 1363 static void vdec_event_notify(struct venus_inst *inst, u32 event, 1364 struct hfi_event_data *data) 1365 { 1366 struct venus_core *core = inst->core; 1367 struct device *dev = core->dev_dec; 1368 1369 vdec_pm_touch(inst); 1370 1371 switch (event) { 1372 case EVT_SESSION_ERROR: 1373 inst->session_error = true; 1374 dev_err(dev, "dec: event session error %x\n", inst->error); 1375 break; 1376 case EVT_SYS_EVENT_CHANGE: 1377 switch (data->event_type) { 1378 case HFI_EVENT_DATA_SEQUENCE_CHANGED_SUFFICIENT_BUF_RESOURCES: 1379 vdec_event_change(inst, data, true); 1380 break; 1381 case HFI_EVENT_DATA_SEQUENCE_CHANGED_INSUFFICIENT_BUF_RESOURCES: 1382 vdec_event_change(inst, data, false); 1383 break; 1384 case HFI_EVENT_RELEASE_BUFFER_REFERENCE: 1385 venus_helper_release_buf_ref(inst, data->tag); 1386 break; 1387 default: 1388 break; 1389 } 1390 break; 1391 default: 1392 break; 1393 } 1394 } 1395 1396 static void vdec_flush_done(struct venus_inst *inst) 1397 { 1398 if (inst->codec_state == VENUS_DEC_STATE_DRC) 1399 inst->codec_state = VENUS_DEC_STATE_DRC_FLUSH_DONE; 1400 } 1401 1402 static const struct hfi_inst_ops vdec_hfi_ops = { 1403 .buf_done = vdec_buf_done, 1404 .event_notify = vdec_event_notify, 1405 .flush_done = vdec_flush_done, 1406 }; 1407 1408 static void vdec_inst_init(struct venus_inst *inst) 1409 { 1410 inst->hfi_codec = HFI_VIDEO_CODEC_H264; 1411 inst->fmt_out = &vdec_formats[6]; 1412 inst->fmt_cap = &vdec_formats[0]; 1413 inst->width = frame_width_min(inst); 1414 inst->height = ALIGN(frame_height_min(inst), 32); 1415 inst->out_width = frame_width_min(inst); 1416 inst->out_height = frame_height_min(inst); 1417 inst->fps = 30; 1418 inst->timeperframe.numerator = 1; 1419 inst->timeperframe.denominator = 30; 1420 inst->opb_buftype = HFI_BUFFER_OUTPUT; 1421 } 1422 1423 static void vdec_m2m_device_run(void *priv) 1424 { 1425 } 1426 1427 static const struct v4l2_m2m_ops vdec_m2m_ops = { 1428 .device_run = vdec_m2m_device_run, 1429 .job_abort = venus_helper_m2m_job_abort, 1430 }; 1431 1432 static int m2m_queue_init(void *priv, struct vb2_queue *src_vq, 1433 struct vb2_queue *dst_vq) 1434 { 1435 struct venus_inst *inst = priv; 1436 int ret; 1437 1438 src_vq->type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE; 1439 src_vq->io_modes = VB2_MMAP | VB2_DMABUF; 1440 src_vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY; 1441 src_vq->ops = &vdec_vb2_ops; 1442 src_vq->mem_ops = &vb2_dma_sg_memops; 1443 src_vq->drv_priv = inst; 1444 src_vq->buf_struct_size = sizeof(struct venus_buffer); 1445 src_vq->allow_zero_bytesused = 1; 1446 src_vq->min_buffers_needed = 0; 1447 src_vq->dev = inst->core->dev; 1448 ret = vb2_queue_init(src_vq); 1449 if (ret) 1450 return ret; 1451 1452 dst_vq->type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE; 1453 dst_vq->io_modes = VB2_MMAP | VB2_DMABUF; 1454 dst_vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY; 1455 dst_vq->ops = &vdec_vb2_ops; 1456 dst_vq->mem_ops = &vb2_dma_sg_memops; 1457 dst_vq->drv_priv = inst; 1458 dst_vq->buf_struct_size = sizeof(struct venus_buffer); 1459 dst_vq->allow_zero_bytesused = 1; 1460 dst_vq->min_buffers_needed = 0; 1461 dst_vq->dev = inst->core->dev; 1462 return vb2_queue_init(dst_vq); 1463 } 1464 1465 static int vdec_open(struct file *file) 1466 { 1467 struct venus_core *core = video_drvdata(file); 1468 struct venus_inst *inst; 1469 int ret; 1470 1471 inst = kzalloc(sizeof(*inst), GFP_KERNEL); 1472 if (!inst) 1473 return -ENOMEM; 1474 1475 INIT_LIST_HEAD(&inst->dpbbufs); 1476 INIT_LIST_HEAD(&inst->registeredbufs); 1477 INIT_LIST_HEAD(&inst->internalbufs); 1478 INIT_LIST_HEAD(&inst->list); 1479 mutex_init(&inst->lock); 1480 1481 inst->core = core; 1482 inst->session_type = VIDC_SESSION_TYPE_DEC; 1483 inst->num_output_bufs = 1; 1484 inst->codec_state = VENUS_DEC_STATE_DEINIT; 1485 inst->buf_count = 0; 1486 inst->clk_data.core_id = VIDC_CORE_ID_DEFAULT; 1487 inst->core_acquired = false; 1488 inst->bit_depth = VIDC_BITDEPTH_8; 1489 init_waitqueue_head(&inst->reconf_wait); 1490 venus_helper_init_instance(inst); 1491 1492 ret = vdec_ctrl_init(inst); 1493 if (ret) 1494 goto err_free; 1495 1496 ret = hfi_session_create(inst, &vdec_hfi_ops); 1497 if (ret) 1498 goto err_ctrl_deinit; 1499 1500 vdec_inst_init(inst); 1501 1502 /* 1503 * create m2m device for every instance, the m2m context scheduling 1504 * is made by firmware side so we do not need to care about. 1505 */ 1506 inst->m2m_dev = v4l2_m2m_init(&vdec_m2m_ops); 1507 if (IS_ERR(inst->m2m_dev)) { 1508 ret = PTR_ERR(inst->m2m_dev); 1509 goto err_session_destroy; 1510 } 1511 1512 inst->m2m_ctx = v4l2_m2m_ctx_init(inst->m2m_dev, inst, m2m_queue_init); 1513 if (IS_ERR(inst->m2m_ctx)) { 1514 ret = PTR_ERR(inst->m2m_ctx); 1515 goto err_m2m_release; 1516 } 1517 1518 v4l2_fh_init(&inst->fh, core->vdev_dec); 1519 1520 inst->fh.ctrl_handler = &inst->ctrl_handler; 1521 v4l2_fh_add(&inst->fh); 1522 inst->fh.m2m_ctx = inst->m2m_ctx; 1523 file->private_data = &inst->fh; 1524 1525 return 0; 1526 1527 err_m2m_release: 1528 v4l2_m2m_release(inst->m2m_dev); 1529 err_session_destroy: 1530 hfi_session_destroy(inst); 1531 err_ctrl_deinit: 1532 vdec_ctrl_deinit(inst); 1533 err_free: 1534 kfree(inst); 1535 return ret; 1536 } 1537 1538 static int vdec_close(struct file *file) 1539 { 1540 struct venus_inst *inst = to_inst(file); 1541 1542 vdec_pm_get(inst); 1543 1544 v4l2_m2m_ctx_release(inst->m2m_ctx); 1545 v4l2_m2m_release(inst->m2m_dev); 1546 vdec_ctrl_deinit(inst); 1547 hfi_session_destroy(inst); 1548 mutex_destroy(&inst->lock); 1549 v4l2_fh_del(&inst->fh); 1550 v4l2_fh_exit(&inst->fh); 1551 1552 vdec_pm_put(inst, false); 1553 1554 kfree(inst); 1555 return 0; 1556 } 1557 1558 static const struct v4l2_file_operations vdec_fops = { 1559 .owner = THIS_MODULE, 1560 .open = vdec_open, 1561 .release = vdec_close, 1562 .unlocked_ioctl = video_ioctl2, 1563 .poll = v4l2_m2m_fop_poll, 1564 .mmap = v4l2_m2m_fop_mmap, 1565 }; 1566 1567 static int vdec_probe(struct platform_device *pdev) 1568 { 1569 struct device *dev = &pdev->dev; 1570 struct video_device *vdev; 1571 struct venus_core *core; 1572 int ret; 1573 1574 if (!dev->parent) 1575 return -EPROBE_DEFER; 1576 1577 core = dev_get_drvdata(dev->parent); 1578 if (!core) 1579 return -EPROBE_DEFER; 1580 1581 platform_set_drvdata(pdev, core); 1582 1583 if (core->pm_ops->vdec_get) { 1584 ret = core->pm_ops->vdec_get(dev); 1585 if (ret) 1586 return ret; 1587 } 1588 1589 vdev = video_device_alloc(); 1590 if (!vdev) 1591 return -ENOMEM; 1592 1593 strscpy(vdev->name, "qcom-venus-decoder", sizeof(vdev->name)); 1594 vdev->release = video_device_release; 1595 vdev->fops = &vdec_fops; 1596 vdev->ioctl_ops = &vdec_ioctl_ops; 1597 vdev->vfl_dir = VFL_DIR_M2M; 1598 vdev->v4l2_dev = &core->v4l2_dev; 1599 vdev->device_caps = V4L2_CAP_VIDEO_M2M_MPLANE | V4L2_CAP_STREAMING; 1600 1601 ret = video_register_device(vdev, VFL_TYPE_VIDEO, -1); 1602 if (ret) 1603 goto err_vdev_release; 1604 1605 core->vdev_dec = vdev; 1606 core->dev_dec = dev; 1607 1608 video_set_drvdata(vdev, core); 1609 pm_runtime_set_autosuspend_delay(dev, 2000); 1610 pm_runtime_use_autosuspend(dev); 1611 pm_runtime_enable(dev); 1612 1613 return 0; 1614 1615 err_vdev_release: 1616 video_device_release(vdev); 1617 return ret; 1618 } 1619 1620 static int vdec_remove(struct platform_device *pdev) 1621 { 1622 struct venus_core *core = dev_get_drvdata(pdev->dev.parent); 1623 1624 video_unregister_device(core->vdev_dec); 1625 pm_runtime_disable(core->dev_dec); 1626 1627 if (core->pm_ops->vdec_put) 1628 core->pm_ops->vdec_put(core->dev_dec); 1629 1630 return 0; 1631 } 1632 1633 static __maybe_unused int vdec_runtime_suspend(struct device *dev) 1634 { 1635 struct venus_core *core = dev_get_drvdata(dev); 1636 const struct venus_pm_ops *pm_ops = core->pm_ops; 1637 int ret = 0; 1638 1639 if (pm_ops->vdec_power) 1640 ret = pm_ops->vdec_power(dev, POWER_OFF); 1641 1642 return ret; 1643 } 1644 1645 static __maybe_unused int vdec_runtime_resume(struct device *dev) 1646 { 1647 struct venus_core *core = dev_get_drvdata(dev); 1648 const struct venus_pm_ops *pm_ops = core->pm_ops; 1649 int ret = 0; 1650 1651 if (pm_ops->vdec_power) 1652 ret = pm_ops->vdec_power(dev, POWER_ON); 1653 1654 return ret; 1655 } 1656 1657 static const struct dev_pm_ops vdec_pm_ops = { 1658 SET_SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend, 1659 pm_runtime_force_resume) 1660 SET_RUNTIME_PM_OPS(vdec_runtime_suspend, vdec_runtime_resume, NULL) 1661 }; 1662 1663 static const struct of_device_id vdec_dt_match[] = { 1664 { .compatible = "venus-decoder" }, 1665 { } 1666 }; 1667 MODULE_DEVICE_TABLE(of, vdec_dt_match); 1668 1669 static struct platform_driver qcom_venus_dec_driver = { 1670 .probe = vdec_probe, 1671 .remove = vdec_remove, 1672 .driver = { 1673 .name = "qcom-venus-decoder", 1674 .of_match_table = vdec_dt_match, 1675 .pm = &vdec_pm_ops, 1676 }, 1677 }; 1678 module_platform_driver(qcom_venus_dec_driver); 1679 1680 MODULE_ALIAS("platform:qcom-venus-decoder"); 1681 MODULE_DESCRIPTION("Qualcomm Venus video decoder driver"); 1682 MODULE_LICENSE("GPL v2"); 1683