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-contig.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 [VENUS_FMT_NV12] = { 34 .pixfmt = V4L2_PIX_FMT_NV12, 35 .num_planes = 1, 36 .type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE, 37 }, 38 [VENUS_FMT_QC08C] = { 39 .pixfmt = V4L2_PIX_FMT_QC08C, 40 .num_planes = 1, 41 .type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE, 42 }, 43 [VENUS_FMT_QC10C] = { 44 .pixfmt = V4L2_PIX_FMT_QC10C, 45 .num_planes = 1, 46 .type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE, 47 }, 48 [VENUS_FMT_P010] = { 49 .pixfmt = V4L2_PIX_FMT_P010, 50 .num_planes = 1, 51 .type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE, 52 }, 53 [VENUS_FMT_H264] = { 54 .pixfmt = V4L2_PIX_FMT_H264, 55 .num_planes = 1, 56 .type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE, 57 .flags = V4L2_FMT_FLAG_DYN_RESOLUTION, 58 }, 59 [VENUS_FMT_VP8] = { 60 .pixfmt = V4L2_PIX_FMT_VP8, 61 .num_planes = 1, 62 .type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE, 63 .flags = V4L2_FMT_FLAG_DYN_RESOLUTION, 64 }, 65 [VENUS_FMT_VP9] = { 66 .pixfmt = V4L2_PIX_FMT_VP9, 67 .num_planes = 1, 68 .type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE, 69 .flags = V4L2_FMT_FLAG_DYN_RESOLUTION, 70 }, 71 [VENUS_FMT_HEVC] = { 72 .pixfmt = V4L2_PIX_FMT_HEVC, 73 .num_planes = 1, 74 .type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE, 75 .flags = V4L2_FMT_FLAG_DYN_RESOLUTION, 76 }, 77 [VENUS_FMT_VC1_ANNEX_G] = { 78 .pixfmt = V4L2_PIX_FMT_VC1_ANNEX_G, 79 .num_planes = 1, 80 .type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE, 81 .flags = V4L2_FMT_FLAG_DYN_RESOLUTION, 82 }, 83 [VENUS_FMT_VC1_ANNEX_L] = { 84 .pixfmt = V4L2_PIX_FMT_VC1_ANNEX_L, 85 .num_planes = 1, 86 .type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE, 87 .flags = V4L2_FMT_FLAG_DYN_RESOLUTION, 88 }, 89 [VENUS_FMT_MPEG4] = { 90 .pixfmt = V4L2_PIX_FMT_MPEG4, 91 .num_planes = 1, 92 .type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE, 93 .flags = V4L2_FMT_FLAG_DYN_RESOLUTION, 94 }, 95 [VENUS_FMT_MPEG2] = { 96 .pixfmt = V4L2_PIX_FMT_MPEG2, 97 .num_planes = 1, 98 .type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE, 99 .flags = V4L2_FMT_FLAG_DYN_RESOLUTION, 100 }, 101 [VENUS_FMT_H263] = { 102 .pixfmt = V4L2_PIX_FMT_H263, 103 .num_planes = 1, 104 .type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE, 105 .flags = V4L2_FMT_FLAG_DYN_RESOLUTION, 106 }, 107 [VENUS_FMT_XVID] = { 108 .pixfmt = V4L2_PIX_FMT_XVID, 109 .num_planes = 1, 110 .type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE, 111 .flags = V4L2_FMT_FLAG_DYN_RESOLUTION, 112 }, 113 114 }; 115 116 static const struct venus_format * 117 find_format(struct venus_inst *inst, u32 pixfmt, u32 type) 118 { 119 const struct venus_format *fmt = vdec_formats; 120 unsigned int size = ARRAY_SIZE(vdec_formats); 121 unsigned int i; 122 123 for (i = 0; i < size; i++) { 124 if (fmt[i].pixfmt == pixfmt) 125 break; 126 } 127 128 if (i == size || fmt[i].type != type) 129 return NULL; 130 131 if (type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE && 132 !venus_helper_check_codec(inst, fmt[i].pixfmt)) 133 return NULL; 134 135 if (V4L2_TYPE_IS_CAPTURE(type) && 136 !venus_helper_check_format(inst, fmt[i].pixfmt)) 137 return NULL; 138 139 if (V4L2_TYPE_IS_CAPTURE(type) && fmt[i].pixfmt == V4L2_PIX_FMT_QC10C && 140 !(inst->bit_depth == VIDC_BITDEPTH_10)) 141 return NULL; 142 143 return &fmt[i]; 144 } 145 146 static const struct venus_format * 147 find_format_by_index(struct venus_inst *inst, unsigned int index, u32 type) 148 { 149 const struct venus_format *fmt = vdec_formats; 150 unsigned int size = ARRAY_SIZE(vdec_formats); 151 unsigned int i, k = 0; 152 153 if (index > size) 154 return NULL; 155 156 for (i = 0; i < size; i++) { 157 bool valid; 158 159 if (fmt[i].type != type) 160 continue; 161 162 if (V4L2_TYPE_IS_OUTPUT(type)) { 163 valid = venus_helper_check_codec(inst, fmt[i].pixfmt); 164 } else if (V4L2_TYPE_IS_CAPTURE(type)) { 165 valid = venus_helper_check_format(inst, fmt[i].pixfmt); 166 167 if (fmt[i].pixfmt == V4L2_PIX_FMT_QC10C && 168 !(inst->bit_depth == VIDC_BITDEPTH_10)) 169 valid = false; 170 } 171 172 if (k == index && valid) 173 break; 174 if (valid) 175 k++; 176 } 177 178 if (i == size) 179 return NULL; 180 181 return &fmt[i]; 182 } 183 184 static const struct venus_format * 185 vdec_try_fmt_common(struct venus_inst *inst, struct v4l2_format *f) 186 { 187 struct v4l2_pix_format_mplane *pixmp = &f->fmt.pix_mp; 188 struct v4l2_plane_pix_format *pfmt = pixmp->plane_fmt; 189 const struct venus_format *fmt; 190 u32 szimage; 191 192 memset(pfmt[0].reserved, 0, sizeof(pfmt[0].reserved)); 193 memset(pixmp->reserved, 0, sizeof(pixmp->reserved)); 194 195 fmt = find_format(inst, pixmp->pixelformat, f->type); 196 if (!fmt) { 197 if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) 198 pixmp->pixelformat = V4L2_PIX_FMT_NV12; 199 else if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) 200 pixmp->pixelformat = V4L2_PIX_FMT_H264; 201 else 202 return NULL; 203 fmt = find_format(inst, pixmp->pixelformat, f->type); 204 if (!fmt) 205 return NULL; 206 } 207 208 pixmp->width = clamp(pixmp->width, frame_width_min(inst), 209 frame_width_max(inst)); 210 pixmp->height = clamp(pixmp->height, frame_height_min(inst), 211 frame_height_max(inst)); 212 213 if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) 214 pixmp->height = ALIGN(pixmp->height, 32); 215 216 if (pixmp->field == V4L2_FIELD_ANY) 217 pixmp->field = V4L2_FIELD_NONE; 218 pixmp->num_planes = fmt->num_planes; 219 pixmp->flags = 0; 220 221 szimage = venus_helper_get_framesz(pixmp->pixelformat, pixmp->width, 222 pixmp->height); 223 224 if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) { 225 unsigned int stride = pixmp->width; 226 227 if (pixmp->pixelformat == V4L2_PIX_FMT_P010) 228 stride *= 2; 229 230 pfmt[0].sizeimage = szimage; 231 pfmt[0].bytesperline = ALIGN(stride, 128); 232 } else { 233 pfmt[0].sizeimage = clamp_t(u32, pfmt[0].sizeimage, 0, SZ_8M); 234 pfmt[0].sizeimage = max(pfmt[0].sizeimage, szimage); 235 pfmt[0].bytesperline = 0; 236 } 237 238 return fmt; 239 } 240 241 static int vdec_try_fmt(struct file *file, void *fh, struct v4l2_format *f) 242 { 243 struct venus_inst *inst = to_inst(file); 244 245 vdec_try_fmt_common(inst, f); 246 247 return 0; 248 } 249 250 static int vdec_check_src_change(struct venus_inst *inst) 251 { 252 int ret; 253 254 if (inst->subscriptions & V4L2_EVENT_SOURCE_CHANGE && 255 inst->codec_state == VENUS_DEC_STATE_INIT && 256 !inst->reconfig) 257 return -EINVAL; 258 259 if (inst->subscriptions & V4L2_EVENT_SOURCE_CHANGE) 260 return 0; 261 262 /* 263 * The code snippet below is a workaround for backward compatibility 264 * with applications which doesn't support V4L2 events. It will be 265 * dropped in future once those applications are fixed. 266 */ 267 268 if (inst->codec_state != VENUS_DEC_STATE_INIT) 269 goto done; 270 271 ret = wait_event_timeout(inst->reconf_wait, inst->reconfig, 272 msecs_to_jiffies(100)); 273 if (!ret) 274 return -EINVAL; 275 276 if (!(inst->codec_state == VENUS_DEC_STATE_CAPTURE_SETUP) || 277 !inst->reconfig) 278 dev_dbg(inst->core->dev, VDBGH "wrong state\n"); 279 280 done: 281 return 0; 282 } 283 284 static int vdec_g_fmt(struct file *file, void *fh, struct v4l2_format *f) 285 { 286 struct venus_inst *inst = to_inst(file); 287 const struct venus_format *fmt = NULL; 288 struct v4l2_pix_format_mplane *pixmp = &f->fmt.pix_mp; 289 int ret; 290 291 if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) 292 fmt = inst->fmt_cap; 293 else if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) 294 fmt = inst->fmt_out; 295 296 if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) { 297 ret = vdec_check_src_change(inst); 298 if (ret) 299 return ret; 300 } 301 302 pixmp->pixelformat = fmt->pixfmt; 303 304 if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) { 305 pixmp->width = inst->width; 306 pixmp->height = inst->height; 307 pixmp->colorspace = inst->colorspace; 308 pixmp->ycbcr_enc = inst->ycbcr_enc; 309 pixmp->quantization = inst->quantization; 310 pixmp->xfer_func = inst->xfer_func; 311 } else if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) { 312 pixmp->width = inst->out_width; 313 pixmp->height = inst->out_height; 314 } 315 316 vdec_try_fmt_common(inst, f); 317 318 return 0; 319 } 320 321 static int vdec_s_fmt(struct file *file, void *fh, struct v4l2_format *f) 322 { 323 struct venus_inst *inst = to_inst(file); 324 struct v4l2_pix_format_mplane *pixmp = &f->fmt.pix_mp; 325 struct v4l2_pix_format_mplane orig_pixmp; 326 const struct venus_format *fmt; 327 struct v4l2_format format; 328 u32 pixfmt_out = 0, pixfmt_cap = 0; 329 struct vb2_queue *q; 330 331 q = v4l2_m2m_get_vq(inst->m2m_ctx, f->type); 332 if (!q) 333 return -EINVAL; 334 335 if (vb2_is_busy(q)) 336 return -EBUSY; 337 338 orig_pixmp = *pixmp; 339 340 fmt = vdec_try_fmt_common(inst, f); 341 342 if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) { 343 pixfmt_out = pixmp->pixelformat; 344 pixfmt_cap = inst->fmt_cap->pixfmt; 345 } else if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) { 346 pixfmt_cap = pixmp->pixelformat; 347 pixfmt_out = inst->fmt_out->pixfmt; 348 } 349 350 memset(&format, 0, sizeof(format)); 351 352 format.type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE; 353 format.fmt.pix_mp.pixelformat = pixfmt_out; 354 format.fmt.pix_mp.width = orig_pixmp.width; 355 format.fmt.pix_mp.height = orig_pixmp.height; 356 vdec_try_fmt_common(inst, &format); 357 358 if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) { 359 inst->out_width = format.fmt.pix_mp.width; 360 inst->out_height = format.fmt.pix_mp.height; 361 inst->colorspace = pixmp->colorspace; 362 inst->ycbcr_enc = pixmp->ycbcr_enc; 363 inst->quantization = pixmp->quantization; 364 inst->xfer_func = pixmp->xfer_func; 365 inst->input_buf_size = pixmp->plane_fmt[0].sizeimage; 366 } 367 368 memset(&format, 0, sizeof(format)); 369 370 format.type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE; 371 format.fmt.pix_mp.pixelformat = pixfmt_cap; 372 format.fmt.pix_mp.width = orig_pixmp.width; 373 format.fmt.pix_mp.height = orig_pixmp.height; 374 vdec_try_fmt_common(inst, &format); 375 376 inst->width = format.fmt.pix_mp.width; 377 inst->height = format.fmt.pix_mp.height; 378 inst->crop.top = 0; 379 inst->crop.left = 0; 380 inst->crop.width = inst->width; 381 inst->crop.height = inst->height; 382 383 if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) 384 inst->fmt_out = fmt; 385 else if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) { 386 inst->fmt_cap = fmt; 387 inst->output2_buf_size = 388 venus_helper_get_framesz(pixfmt_cap, orig_pixmp.width, orig_pixmp.height); 389 } 390 391 return 0; 392 } 393 394 static int 395 vdec_g_selection(struct file *file, void *fh, struct v4l2_selection *s) 396 { 397 struct venus_inst *inst = to_inst(file); 398 399 if (s->type != V4L2_BUF_TYPE_VIDEO_CAPTURE && 400 s->type != V4L2_BUF_TYPE_VIDEO_OUTPUT) 401 return -EINVAL; 402 403 s->r.top = 0; 404 s->r.left = 0; 405 406 switch (s->target) { 407 case V4L2_SEL_TGT_CROP_BOUNDS: 408 case V4L2_SEL_TGT_CROP_DEFAULT: 409 case V4L2_SEL_TGT_CROP: 410 if (s->type != V4L2_BUF_TYPE_VIDEO_OUTPUT) 411 return -EINVAL; 412 s->r.width = inst->out_width; 413 s->r.height = inst->out_height; 414 break; 415 case V4L2_SEL_TGT_COMPOSE_BOUNDS: 416 case V4L2_SEL_TGT_COMPOSE_PADDED: 417 if (s->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) 418 return -EINVAL; 419 s->r.width = inst->width; 420 s->r.height = inst->height; 421 break; 422 case V4L2_SEL_TGT_COMPOSE_DEFAULT: 423 case V4L2_SEL_TGT_COMPOSE: 424 if (s->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) 425 return -EINVAL; 426 s->r = inst->crop; 427 break; 428 default: 429 return -EINVAL; 430 } 431 432 return 0; 433 } 434 435 static int 436 vdec_querycap(struct file *file, void *fh, struct v4l2_capability *cap) 437 { 438 strscpy(cap->driver, "qcom-venus", sizeof(cap->driver)); 439 strscpy(cap->card, "Qualcomm Venus video decoder", sizeof(cap->card)); 440 strscpy(cap->bus_info, "platform:qcom-venus", sizeof(cap->bus_info)); 441 442 return 0; 443 } 444 445 static int vdec_enum_fmt(struct file *file, void *fh, struct v4l2_fmtdesc *f) 446 { 447 struct venus_inst *inst = to_inst(file); 448 const struct venus_format *fmt; 449 450 memset(f->reserved, 0, sizeof(f->reserved)); 451 452 fmt = find_format_by_index(inst, f->index, f->type); 453 if (!fmt) 454 return -EINVAL; 455 456 f->pixelformat = fmt->pixfmt; 457 f->flags = fmt->flags; 458 459 return 0; 460 } 461 462 static int vdec_s_parm(struct file *file, void *fh, struct v4l2_streamparm *a) 463 { 464 struct venus_inst *inst = to_inst(file); 465 struct v4l2_captureparm *cap = &a->parm.capture; 466 struct v4l2_fract *timeperframe = &cap->timeperframe; 467 u64 us_per_frame, fps; 468 469 if (a->type != V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE && 470 a->type != V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) 471 return -EINVAL; 472 473 memset(cap->reserved, 0, sizeof(cap->reserved)); 474 if (!timeperframe->denominator) 475 timeperframe->denominator = inst->timeperframe.denominator; 476 if (!timeperframe->numerator) 477 timeperframe->numerator = inst->timeperframe.numerator; 478 cap->readbuffers = 0; 479 cap->extendedmode = 0; 480 cap->capability = V4L2_CAP_TIMEPERFRAME; 481 us_per_frame = timeperframe->numerator * (u64)USEC_PER_SEC; 482 do_div(us_per_frame, timeperframe->denominator); 483 484 if (!us_per_frame) 485 return -EINVAL; 486 487 fps = (u64)USEC_PER_SEC; 488 do_div(fps, us_per_frame); 489 490 inst->fps = fps; 491 inst->timeperframe = *timeperframe; 492 493 return 0; 494 } 495 496 static int vdec_enum_framesizes(struct file *file, void *fh, 497 struct v4l2_frmsizeenum *fsize) 498 { 499 struct venus_inst *inst = to_inst(file); 500 const struct venus_format *fmt; 501 502 fmt = find_format(inst, fsize->pixel_format, 503 V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE); 504 if (!fmt) { 505 fmt = find_format(inst, fsize->pixel_format, 506 V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE); 507 if (!fmt) 508 return -EINVAL; 509 } 510 511 if (fsize->index) 512 return -EINVAL; 513 514 fsize->type = V4L2_FRMSIZE_TYPE_STEPWISE; 515 516 fsize->stepwise.min_width = frame_width_min(inst); 517 fsize->stepwise.max_width = frame_width_max(inst); 518 fsize->stepwise.step_width = frame_width_step(inst); 519 fsize->stepwise.min_height = frame_height_min(inst); 520 fsize->stepwise.max_height = frame_height_max(inst); 521 fsize->stepwise.step_height = frame_height_step(inst); 522 523 return 0; 524 } 525 526 static int vdec_subscribe_event(struct v4l2_fh *fh, 527 const struct v4l2_event_subscription *sub) 528 { 529 struct venus_inst *inst = container_of(fh, struct venus_inst, fh); 530 int ret; 531 532 switch (sub->type) { 533 case V4L2_EVENT_EOS: 534 return v4l2_event_subscribe(fh, sub, 2, NULL); 535 case V4L2_EVENT_SOURCE_CHANGE: 536 ret = v4l2_src_change_event_subscribe(fh, sub); 537 if (ret) 538 return ret; 539 inst->subscriptions |= V4L2_EVENT_SOURCE_CHANGE; 540 return 0; 541 case V4L2_EVENT_CTRL: 542 return v4l2_ctrl_subscribe_event(fh, sub); 543 default: 544 return -EINVAL; 545 } 546 } 547 548 static int 549 vdec_decoder_cmd(struct file *file, void *fh, struct v4l2_decoder_cmd *cmd) 550 { 551 struct venus_inst *inst = to_inst(file); 552 struct vb2_queue *dst_vq; 553 struct hfi_frame_data fdata = {0}; 554 int ret; 555 556 ret = v4l2_m2m_ioctl_try_decoder_cmd(file, fh, cmd); 557 if (ret) 558 return ret; 559 560 mutex_lock(&inst->lock); 561 562 if (cmd->cmd == V4L2_DEC_CMD_STOP) { 563 /* 564 * Implement V4L2_DEC_CMD_STOP by enqueue an empty buffer on 565 * decoder input to signal EOS. 566 */ 567 if (!(inst->streamon_out && inst->streamon_cap)) 568 goto unlock; 569 570 fdata.buffer_type = HFI_BUFFER_INPUT; 571 fdata.flags |= HFI_BUFFERFLAG_EOS; 572 if (IS_V6(inst->core) && is_fw_rev_or_older(inst->core, 1, 0, 87)) 573 fdata.device_addr = 0; 574 else 575 fdata.device_addr = 0xdeadb000; 576 577 ret = hfi_session_process_buf(inst, &fdata); 578 579 if (!ret && inst->codec_state == VENUS_DEC_STATE_DECODING) { 580 inst->codec_state = VENUS_DEC_STATE_DRAIN; 581 inst->drain_active = true; 582 } 583 } else if (cmd->cmd == V4L2_DEC_CMD_START && 584 inst->codec_state == VENUS_DEC_STATE_STOPPED) { 585 dst_vq = v4l2_m2m_get_vq(inst->fh.m2m_ctx, 586 V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE); 587 vb2_clear_last_buffer_dequeued(dst_vq); 588 589 inst->codec_state = VENUS_DEC_STATE_DECODING; 590 } 591 592 unlock: 593 mutex_unlock(&inst->lock); 594 return ret; 595 } 596 597 static const struct v4l2_ioctl_ops vdec_ioctl_ops = { 598 .vidioc_querycap = vdec_querycap, 599 .vidioc_enum_fmt_vid_cap = vdec_enum_fmt, 600 .vidioc_enum_fmt_vid_out = vdec_enum_fmt, 601 .vidioc_s_fmt_vid_cap_mplane = vdec_s_fmt, 602 .vidioc_s_fmt_vid_out_mplane = vdec_s_fmt, 603 .vidioc_g_fmt_vid_cap_mplane = vdec_g_fmt, 604 .vidioc_g_fmt_vid_out_mplane = vdec_g_fmt, 605 .vidioc_try_fmt_vid_cap_mplane = vdec_try_fmt, 606 .vidioc_try_fmt_vid_out_mplane = vdec_try_fmt, 607 .vidioc_g_selection = vdec_g_selection, 608 .vidioc_reqbufs = v4l2_m2m_ioctl_reqbufs, 609 .vidioc_querybuf = v4l2_m2m_ioctl_querybuf, 610 .vidioc_create_bufs = v4l2_m2m_ioctl_create_bufs, 611 .vidioc_prepare_buf = v4l2_m2m_ioctl_prepare_buf, 612 .vidioc_qbuf = v4l2_m2m_ioctl_qbuf, 613 .vidioc_expbuf = v4l2_m2m_ioctl_expbuf, 614 .vidioc_dqbuf = v4l2_m2m_ioctl_dqbuf, 615 .vidioc_streamon = v4l2_m2m_ioctl_streamon, 616 .vidioc_streamoff = v4l2_m2m_ioctl_streamoff, 617 .vidioc_s_parm = vdec_s_parm, 618 .vidioc_enum_framesizes = vdec_enum_framesizes, 619 .vidioc_subscribe_event = vdec_subscribe_event, 620 .vidioc_unsubscribe_event = v4l2_event_unsubscribe, 621 .vidioc_try_decoder_cmd = v4l2_m2m_ioctl_try_decoder_cmd, 622 .vidioc_decoder_cmd = vdec_decoder_cmd, 623 }; 624 625 static int vdec_pm_get(struct venus_inst *inst) 626 { 627 struct venus_core *core = inst->core; 628 struct device *dev = core->dev_dec; 629 int ret; 630 631 mutex_lock(&core->pm_lock); 632 ret = pm_runtime_resume_and_get(dev); 633 mutex_unlock(&core->pm_lock); 634 635 return ret; 636 } 637 638 static int vdec_pm_put(struct venus_inst *inst, bool autosuspend) 639 { 640 struct venus_core *core = inst->core; 641 struct device *dev = core->dev_dec; 642 int ret; 643 644 mutex_lock(&core->pm_lock); 645 646 if (autosuspend) 647 ret = pm_runtime_put_autosuspend(dev); 648 else 649 ret = pm_runtime_put_sync(dev); 650 651 mutex_unlock(&core->pm_lock); 652 653 return ret < 0 ? ret : 0; 654 } 655 656 static int vdec_pm_get_put(struct venus_inst *inst) 657 { 658 struct venus_core *core = inst->core; 659 struct device *dev = core->dev_dec; 660 int ret = 0; 661 662 mutex_lock(&core->pm_lock); 663 664 if (pm_runtime_suspended(dev)) { 665 ret = pm_runtime_resume_and_get(dev); 666 if (ret < 0) 667 goto error; 668 669 ret = pm_runtime_put_autosuspend(dev); 670 } 671 672 error: 673 mutex_unlock(&core->pm_lock); 674 675 return ret < 0 ? ret : 0; 676 } 677 678 static void vdec_pm_touch(struct venus_inst *inst) 679 { 680 pm_runtime_mark_last_busy(inst->core->dev_dec); 681 } 682 683 static int vdec_set_properties(struct venus_inst *inst) 684 { 685 struct vdec_controls *ctr = &inst->controls.dec; 686 struct hfi_enable en = { .enable = 1 }; 687 u32 ptype, decode_order, conceal; 688 int ret; 689 690 if (ctr->post_loop_deb_mode) { 691 ptype = HFI_PROPERTY_CONFIG_VDEC_POST_LOOP_DEBLOCKER; 692 ret = hfi_session_set_property(inst, ptype, &en); 693 if (ret) 694 return ret; 695 } 696 697 if (ctr->display_delay_enable && ctr->display_delay == 0) { 698 ptype = HFI_PROPERTY_PARAM_VDEC_OUTPUT_ORDER; 699 decode_order = HFI_OUTPUT_ORDER_DECODE; 700 ret = hfi_session_set_property(inst, ptype, &decode_order); 701 if (ret) 702 return ret; 703 } 704 705 /* Enabling sufficient sequence change support for VP9 */ 706 if (is_fw_rev_or_newer(inst->core, 5, 4, 51)) { 707 ptype = HFI_PROPERTY_PARAM_VDEC_ENABLE_SUFFICIENT_SEQCHANGE_EVENT; 708 ret = hfi_session_set_property(inst, ptype, &en); 709 if (ret) 710 return ret; 711 } 712 713 ptype = HFI_PROPERTY_PARAM_VDEC_CONCEAL_COLOR; 714 conceal = ctr->conceal_color & 0xffff; 715 conceal |= ((ctr->conceal_color >> 16) & 0xffff) << 10; 716 conceal |= ((ctr->conceal_color >> 32) & 0xffff) << 20; 717 718 ret = hfi_session_set_property(inst, ptype, &conceal); 719 if (ret) 720 return ret; 721 722 return 0; 723 } 724 725 static int vdec_set_work_route(struct venus_inst *inst) 726 { 727 u32 ptype = HFI_PROPERTY_PARAM_WORK_ROUTE; 728 struct hfi_video_work_route wr; 729 730 if (!(IS_IRIS2(inst->core) || IS_IRIS2_1(inst->core))) 731 return 0; 732 733 wr.video_work_route = inst->core->res->num_vpp_pipes; 734 735 return hfi_session_set_property(inst, ptype, &wr); 736 } 737 738 #define is_ubwc_fmt(fmt) (!!((fmt) & HFI_COLOR_FORMAT_UBWC_BASE)) 739 #define is_10bit_ubwc_fmt(fmt) (!!((fmt) & HFI_COLOR_FORMAT_10_BIT_BASE & \ 740 HFI_COLOR_FORMAT_UBWC_BASE)) 741 742 743 static int vdec_output_conf(struct venus_inst *inst) 744 { 745 struct venus_core *core = inst->core; 746 struct hfi_enable en = { .enable = 1 }; 747 struct hfi_buffer_requirements bufreq; 748 u32 width = inst->width; 749 u32 height = inst->height; 750 u32 out_fmt, out2_fmt; 751 bool ubwc = false; 752 u32 ptype; 753 int ret; 754 755 ret = venus_helper_set_work_mode(inst); 756 if (ret) 757 return ret; 758 759 if (core->res->hfi_version == HFI_VERSION_1XX) { 760 ptype = HFI_PROPERTY_PARAM_VDEC_CONTINUE_DATA_TRANSFER; 761 ret = hfi_session_set_property(inst, ptype, &en); 762 if (ret) 763 return ret; 764 } 765 766 /* Force searching UBWC formats for bigger then HD resolutions */ 767 if (width > 1920 && height > ALIGN(1080, 32)) 768 ubwc = true; 769 770 /* For Venus v4/v6 UBWC format is mandatory */ 771 if (IS_V4(core) || IS_V6(core)) 772 ubwc = true; 773 774 ret = venus_helper_get_out_fmts(inst, inst->fmt_cap->pixfmt, &out_fmt, 775 &out2_fmt, ubwc); 776 if (ret) 777 return ret; 778 779 inst->output_buf_size = 780 venus_helper_get_framesz_raw(out_fmt, width, height); 781 inst->output2_buf_size = 782 venus_helper_get_framesz_raw(out2_fmt, width, height); 783 784 if (is_ubwc_fmt(out_fmt)) { 785 inst->opb_buftype = HFI_BUFFER_OUTPUT2; 786 inst->opb_fmt = out2_fmt; 787 inst->dpb_buftype = HFI_BUFFER_OUTPUT; 788 inst->dpb_fmt = out_fmt; 789 } else if (is_ubwc_fmt(out2_fmt) || is_10bit_ubwc_fmt(out_fmt)) { 790 inst->opb_buftype = HFI_BUFFER_OUTPUT; 791 inst->opb_fmt = out_fmt; 792 inst->dpb_buftype = HFI_BUFFER_OUTPUT2; 793 inst->dpb_fmt = out2_fmt; 794 } else { 795 inst->opb_buftype = HFI_BUFFER_OUTPUT; 796 inst->opb_fmt = out_fmt; 797 inst->dpb_buftype = 0; 798 inst->dpb_fmt = 0; 799 } 800 801 ret = venus_helper_set_raw_format(inst, inst->opb_fmt, 802 inst->opb_buftype); 803 if (ret) 804 return ret; 805 806 ret = venus_helper_set_format_constraints(inst); 807 if (ret) 808 return ret; 809 810 if (inst->dpb_fmt) { 811 ret = venus_helper_set_multistream(inst, false, true); 812 if (ret) 813 return ret; 814 815 ret = venus_helper_set_raw_format(inst, inst->dpb_fmt, 816 inst->dpb_buftype); 817 if (ret) 818 return ret; 819 820 ret = venus_helper_set_output_resolution(inst, width, height, 821 HFI_BUFFER_OUTPUT2); 822 if (ret) 823 return ret; 824 } 825 826 if (IS_V3(core) || IS_V4(core) || IS_V6(core)) { 827 ret = venus_helper_get_bufreq(inst, HFI_BUFFER_OUTPUT, &bufreq); 828 if (ret) 829 return ret; 830 831 if (bufreq.size > inst->output_buf_size) 832 return -EINVAL; 833 834 if (inst->dpb_fmt) { 835 ret = venus_helper_get_bufreq(inst, HFI_BUFFER_OUTPUT2, 836 &bufreq); 837 if (ret) 838 return ret; 839 840 if (bufreq.size > inst->output2_buf_size) 841 return -EINVAL; 842 } 843 844 if (inst->output2_buf_size) { 845 ret = venus_helper_set_bufsize(inst, 846 inst->output2_buf_size, 847 HFI_BUFFER_OUTPUT2); 848 if (ret) 849 return ret; 850 } 851 852 if (inst->output_buf_size) { 853 ret = venus_helper_set_bufsize(inst, 854 inst->output_buf_size, 855 HFI_BUFFER_OUTPUT); 856 if (ret) 857 return ret; 858 } 859 } 860 861 ret = venus_helper_set_dyn_bufmode(inst); 862 if (ret) 863 return ret; 864 865 return 0; 866 } 867 868 static int vdec_session_init(struct venus_inst *inst) 869 { 870 int ret; 871 872 ret = venus_helper_session_init(inst); 873 if (ret == -EALREADY) 874 return 0; 875 else if (ret) 876 return ret; 877 878 ret = venus_helper_set_input_resolution(inst, frame_width_min(inst), 879 frame_height_min(inst)); 880 if (ret) 881 goto deinit; 882 883 return 0; 884 deinit: 885 hfi_session_deinit(inst); 886 return ret; 887 } 888 889 static int vdec_num_buffers(struct venus_inst *inst, unsigned int *in_num, 890 unsigned int *out_num) 891 { 892 enum hfi_version ver = inst->core->res->hfi_version; 893 struct hfi_buffer_requirements bufreq; 894 int ret; 895 896 *in_num = *out_num = 0; 897 898 ret = venus_helper_get_bufreq(inst, HFI_BUFFER_INPUT, &bufreq); 899 if (ret) 900 return ret; 901 902 *in_num = hfi_bufreq_get_count_min(&bufreq, ver); 903 904 ret = venus_helper_get_bufreq(inst, HFI_BUFFER_OUTPUT, &bufreq); 905 if (ret) 906 return ret; 907 908 *out_num = hfi_bufreq_get_count_min(&bufreq, ver); 909 910 return 0; 911 } 912 913 static int vdec_queue_setup(struct vb2_queue *q, 914 unsigned int *num_buffers, unsigned int *num_planes, 915 unsigned int sizes[], struct device *alloc_devs[]) 916 { 917 struct venus_inst *inst = vb2_get_drv_priv(q); 918 struct venus_core *core = inst->core; 919 unsigned int in_num, out_num; 920 int ret = 0; 921 922 if (*num_planes) { 923 unsigned int output_buf_size = venus_helper_get_opb_size(inst); 924 925 if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE && 926 *num_planes != inst->fmt_out->num_planes) 927 return -EINVAL; 928 929 if (q->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE && 930 *num_planes != inst->fmt_cap->num_planes) 931 return -EINVAL; 932 933 if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE && 934 sizes[0] < inst->input_buf_size) 935 return -EINVAL; 936 937 if (q->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE && 938 sizes[0] < output_buf_size) 939 return -EINVAL; 940 941 return 0; 942 } 943 944 if (test_bit(0, &core->sys_error)) { 945 if (inst->nonblock) 946 return -EAGAIN; 947 948 ret = wait_event_interruptible(core->sys_err_done, 949 !test_bit(0, &core->sys_error)); 950 if (ret) 951 return ret; 952 } 953 954 ret = vdec_pm_get(inst); 955 if (ret) 956 return ret; 957 958 ret = vdec_session_init(inst); 959 if (ret) 960 goto put_power; 961 962 ret = vdec_num_buffers(inst, &in_num, &out_num); 963 if (ret) 964 goto put_power; 965 966 ret = vdec_pm_put(inst, false); 967 if (ret) 968 return ret; 969 970 switch (q->type) { 971 case V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE: 972 *num_planes = inst->fmt_out->num_planes; 973 sizes[0] = venus_helper_get_framesz(inst->fmt_out->pixfmt, 974 inst->out_width, 975 inst->out_height); 976 sizes[0] = max(sizes[0], inst->input_buf_size); 977 inst->input_buf_size = sizes[0]; 978 *num_buffers = max(*num_buffers, in_num); 979 inst->num_input_bufs = *num_buffers; 980 inst->num_output_bufs = out_num; 981 break; 982 case V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE: 983 *num_planes = inst->fmt_cap->num_planes; 984 sizes[0] = venus_helper_get_framesz(inst->fmt_cap->pixfmt, 985 inst->width, 986 inst->height); 987 inst->output_buf_size = sizes[0]; 988 *num_buffers = max(*num_buffers, out_num); 989 inst->num_output_bufs = *num_buffers; 990 991 mutex_lock(&inst->lock); 992 if (inst->codec_state == VENUS_DEC_STATE_CAPTURE_SETUP) 993 inst->codec_state = VENUS_DEC_STATE_STOPPED; 994 mutex_unlock(&inst->lock); 995 break; 996 default: 997 ret = -EINVAL; 998 break; 999 } 1000 1001 return ret; 1002 1003 put_power: 1004 vdec_pm_put(inst, false); 1005 return ret; 1006 } 1007 1008 static int vdec_verify_conf(struct venus_inst *inst) 1009 { 1010 enum hfi_version ver = inst->core->res->hfi_version; 1011 struct hfi_buffer_requirements bufreq; 1012 int ret; 1013 1014 if (!inst->num_input_bufs || !inst->num_output_bufs) 1015 return -EINVAL; 1016 1017 ret = venus_helper_get_bufreq(inst, HFI_BUFFER_OUTPUT, &bufreq); 1018 if (ret) 1019 return ret; 1020 1021 if (inst->num_output_bufs < bufreq.count_actual || 1022 inst->num_output_bufs < hfi_bufreq_get_count_min(&bufreq, ver)) 1023 return -EINVAL; 1024 1025 ret = venus_helper_get_bufreq(inst, HFI_BUFFER_INPUT, &bufreq); 1026 if (ret) 1027 return ret; 1028 1029 if (inst->num_input_bufs < hfi_bufreq_get_count_min(&bufreq, ver)) 1030 return -EINVAL; 1031 1032 return 0; 1033 } 1034 1035 static int vdec_start_capture(struct venus_inst *inst) 1036 { 1037 int ret; 1038 1039 if (!inst->streamon_out) 1040 return 0; 1041 1042 if (inst->codec_state == VENUS_DEC_STATE_DECODING) { 1043 if (inst->reconfig) 1044 goto reconfigure; 1045 1046 venus_helper_queue_dpb_bufs(inst); 1047 venus_helper_process_initial_cap_bufs(inst); 1048 inst->streamon_cap = 1; 1049 return 0; 1050 } 1051 1052 if (inst->codec_state != VENUS_DEC_STATE_STOPPED) 1053 return 0; 1054 1055 reconfigure: 1056 ret = vdec_output_conf(inst); 1057 if (ret) 1058 return ret; 1059 1060 ret = venus_helper_set_num_bufs(inst, inst->num_input_bufs, 1061 VB2_MAX_FRAME, VB2_MAX_FRAME); 1062 if (ret) 1063 return ret; 1064 1065 ret = venus_helper_intbufs_realloc(inst); 1066 if (ret) 1067 goto err; 1068 1069 venus_pm_load_scale(inst); 1070 1071 inst->next_buf_last = false; 1072 1073 ret = venus_helper_alloc_dpb_bufs(inst); 1074 if (ret) 1075 goto err; 1076 1077 ret = hfi_session_continue(inst); 1078 if (ret) 1079 goto free_dpb_bufs; 1080 1081 ret = venus_helper_queue_dpb_bufs(inst); 1082 if (ret) 1083 goto free_dpb_bufs; 1084 1085 ret = venus_helper_process_initial_cap_bufs(inst); 1086 if (ret) 1087 goto free_dpb_bufs; 1088 1089 inst->codec_state = VENUS_DEC_STATE_DECODING; 1090 1091 if (inst->drain_active) 1092 inst->codec_state = VENUS_DEC_STATE_DRAIN; 1093 1094 inst->streamon_cap = 1; 1095 inst->sequence_cap = 0; 1096 inst->reconfig = false; 1097 inst->drain_active = false; 1098 1099 return 0; 1100 1101 free_dpb_bufs: 1102 venus_helper_free_dpb_bufs(inst); 1103 err: 1104 return ret; 1105 } 1106 1107 static int vdec_start_output(struct venus_inst *inst) 1108 { 1109 int ret; 1110 1111 if (inst->codec_state == VENUS_DEC_STATE_SEEK) { 1112 ret = venus_helper_process_initial_out_bufs(inst); 1113 if (inst->next_buf_last) 1114 inst->codec_state = VENUS_DEC_STATE_DRC; 1115 else 1116 inst->codec_state = VENUS_DEC_STATE_DECODING; 1117 goto done; 1118 } 1119 1120 if (inst->codec_state == VENUS_DEC_STATE_INIT || 1121 inst->codec_state == VENUS_DEC_STATE_CAPTURE_SETUP) { 1122 ret = venus_helper_process_initial_out_bufs(inst); 1123 goto done; 1124 } 1125 1126 if (inst->codec_state != VENUS_DEC_STATE_DEINIT) 1127 return -EINVAL; 1128 1129 venus_helper_init_instance(inst); 1130 inst->sequence_out = 0; 1131 inst->reconfig = false; 1132 inst->next_buf_last = false; 1133 1134 ret = vdec_set_properties(inst); 1135 if (ret) 1136 return ret; 1137 1138 ret = vdec_set_work_route(inst); 1139 if (ret) 1140 return ret; 1141 1142 ret = vdec_output_conf(inst); 1143 if (ret) 1144 return ret; 1145 1146 ret = vdec_verify_conf(inst); 1147 if (ret) 1148 return ret; 1149 1150 ret = venus_helper_set_num_bufs(inst, inst->num_input_bufs, 1151 VB2_MAX_FRAME, VB2_MAX_FRAME); 1152 if (ret) 1153 return ret; 1154 1155 ret = venus_helper_vb2_start_streaming(inst); 1156 if (ret) 1157 return ret; 1158 1159 ret = venus_helper_process_initial_out_bufs(inst); 1160 if (ret) 1161 return ret; 1162 1163 inst->codec_state = VENUS_DEC_STATE_INIT; 1164 1165 done: 1166 inst->streamon_out = 1; 1167 return ret; 1168 } 1169 1170 static int vdec_start_streaming(struct vb2_queue *q, unsigned int count) 1171 { 1172 struct venus_inst *inst = vb2_get_drv_priv(q); 1173 int ret; 1174 1175 mutex_lock(&inst->lock); 1176 1177 if (q->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) { 1178 ret = vdec_start_capture(inst); 1179 } else { 1180 ret = vdec_pm_get(inst); 1181 if (ret) 1182 goto error; 1183 1184 ret = venus_pm_acquire_core(inst); 1185 if (ret) 1186 goto put_power; 1187 1188 ret = vdec_pm_put(inst, true); 1189 if (ret) 1190 goto error; 1191 1192 ret = vdec_start_output(inst); 1193 } 1194 1195 if (ret) 1196 goto error; 1197 1198 mutex_unlock(&inst->lock); 1199 return 0; 1200 1201 put_power: 1202 vdec_pm_put(inst, false); 1203 error: 1204 venus_helper_buffers_done(inst, q->type, VB2_BUF_STATE_QUEUED); 1205 mutex_unlock(&inst->lock); 1206 return ret; 1207 } 1208 1209 static void vdec_cancel_dst_buffers(struct venus_inst *inst) 1210 { 1211 struct vb2_v4l2_buffer *buf; 1212 1213 while ((buf = v4l2_m2m_dst_buf_remove(inst->m2m_ctx))) 1214 v4l2_m2m_buf_done(buf, VB2_BUF_STATE_ERROR); 1215 } 1216 1217 static int vdec_stop_capture(struct venus_inst *inst) 1218 { 1219 int ret = 0; 1220 1221 switch (inst->codec_state) { 1222 case VENUS_DEC_STATE_DECODING: 1223 ret = hfi_session_flush(inst, HFI_FLUSH_ALL, true); 1224 fallthrough; 1225 case VENUS_DEC_STATE_DRAIN: 1226 inst->codec_state = VENUS_DEC_STATE_STOPPED; 1227 inst->drain_active = false; 1228 fallthrough; 1229 case VENUS_DEC_STATE_SEEK: 1230 vdec_cancel_dst_buffers(inst); 1231 break; 1232 case VENUS_DEC_STATE_DRC: 1233 ret = hfi_session_flush(inst, HFI_FLUSH_OUTPUT, true); 1234 inst->codec_state = VENUS_DEC_STATE_CAPTURE_SETUP; 1235 venus_helper_free_dpb_bufs(inst); 1236 break; 1237 default: 1238 break; 1239 } 1240 1241 return ret; 1242 } 1243 1244 static int vdec_stop_output(struct venus_inst *inst) 1245 { 1246 int ret = 0; 1247 1248 switch (inst->codec_state) { 1249 case VENUS_DEC_STATE_DECODING: 1250 case VENUS_DEC_STATE_DRAIN: 1251 case VENUS_DEC_STATE_STOPPED: 1252 case VENUS_DEC_STATE_DRC: 1253 ret = hfi_session_flush(inst, HFI_FLUSH_ALL, true); 1254 inst->codec_state = VENUS_DEC_STATE_SEEK; 1255 break; 1256 case VENUS_DEC_STATE_INIT: 1257 case VENUS_DEC_STATE_CAPTURE_SETUP: 1258 ret = hfi_session_flush(inst, HFI_FLUSH_INPUT, true); 1259 break; 1260 default: 1261 break; 1262 } 1263 1264 return ret; 1265 } 1266 1267 static void vdec_stop_streaming(struct vb2_queue *q) 1268 { 1269 struct venus_inst *inst = vb2_get_drv_priv(q); 1270 int ret = -EINVAL; 1271 1272 vdec_pm_get_put(inst); 1273 1274 mutex_lock(&inst->lock); 1275 1276 if (q->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) 1277 ret = vdec_stop_capture(inst); 1278 else 1279 ret = vdec_stop_output(inst); 1280 1281 venus_helper_buffers_done(inst, q->type, VB2_BUF_STATE_ERROR); 1282 1283 inst->session_error = 0; 1284 1285 if (ret) 1286 goto unlock; 1287 1288 if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) 1289 inst->streamon_out = 0; 1290 else 1291 inst->streamon_cap = 0; 1292 1293 unlock: 1294 mutex_unlock(&inst->lock); 1295 } 1296 1297 static void vdec_session_release(struct venus_inst *inst) 1298 { 1299 struct venus_core *core = inst->core; 1300 int ret, abort = 0; 1301 1302 vdec_pm_get(inst); 1303 1304 mutex_lock(&inst->lock); 1305 inst->codec_state = VENUS_DEC_STATE_DEINIT; 1306 1307 ret = hfi_session_stop(inst); 1308 abort = (ret && ret != -EINVAL) ? 1 : 0; 1309 ret = hfi_session_unload_res(inst); 1310 abort = (ret && ret != -EINVAL) ? 1 : 0; 1311 ret = venus_helper_unregister_bufs(inst); 1312 abort = (ret && ret != -EINVAL) ? 1 : 0; 1313 ret = venus_helper_intbufs_free(inst); 1314 abort = (ret && ret != -EINVAL) ? 1 : 0; 1315 ret = hfi_session_deinit(inst); 1316 abort = (ret && ret != -EINVAL) ? 1 : 0; 1317 1318 if (inst->session_error || test_bit(0, &core->sys_error)) 1319 abort = 1; 1320 1321 if (abort) 1322 hfi_session_abort(inst); 1323 1324 venus_helper_free_dpb_bufs(inst); 1325 venus_pm_load_scale(inst); 1326 INIT_LIST_HEAD(&inst->registeredbufs); 1327 mutex_unlock(&inst->lock); 1328 1329 venus_pm_release_core(inst); 1330 vdec_pm_put(inst, false); 1331 } 1332 1333 static int vdec_buf_init(struct vb2_buffer *vb) 1334 { 1335 struct venus_inst *inst = vb2_get_drv_priv(vb->vb2_queue); 1336 1337 inst->buf_count++; 1338 1339 return venus_helper_vb2_buf_init(vb); 1340 } 1341 1342 static void vdec_buf_cleanup(struct vb2_buffer *vb) 1343 { 1344 struct venus_inst *inst = vb2_get_drv_priv(vb->vb2_queue); 1345 struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb); 1346 struct venus_buffer *buf = to_venus_buffer(vbuf); 1347 1348 mutex_lock(&inst->lock); 1349 if (vb->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) 1350 if (!list_empty(&inst->registeredbufs)) 1351 list_del_init(&buf->reg_list); 1352 mutex_unlock(&inst->lock); 1353 1354 inst->buf_count--; 1355 if (!inst->buf_count) 1356 vdec_session_release(inst); 1357 } 1358 1359 static void vdec_vb2_buf_queue(struct vb2_buffer *vb) 1360 { 1361 struct venus_inst *inst = vb2_get_drv_priv(vb->vb2_queue); 1362 struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb); 1363 static const struct v4l2_event eos = { .type = V4L2_EVENT_EOS }; 1364 1365 vdec_pm_get_put(inst); 1366 1367 mutex_lock(&inst->lock); 1368 1369 if (inst->next_buf_last && V4L2_TYPE_IS_CAPTURE(vb->vb2_queue->type) && 1370 inst->codec_state == VENUS_DEC_STATE_DRC) { 1371 vbuf->flags |= V4L2_BUF_FLAG_LAST; 1372 vbuf->sequence = inst->sequence_cap++; 1373 vbuf->field = V4L2_FIELD_NONE; 1374 vb2_set_plane_payload(vb, 0, 0); 1375 v4l2_m2m_buf_done(vbuf, VB2_BUF_STATE_DONE); 1376 v4l2_event_queue_fh(&inst->fh, &eos); 1377 inst->next_buf_last = false; 1378 mutex_unlock(&inst->lock); 1379 return; 1380 } 1381 1382 venus_helper_vb2_buf_queue(vb); 1383 mutex_unlock(&inst->lock); 1384 } 1385 1386 static const struct vb2_ops vdec_vb2_ops = { 1387 .queue_setup = vdec_queue_setup, 1388 .buf_init = vdec_buf_init, 1389 .buf_cleanup = vdec_buf_cleanup, 1390 .buf_prepare = venus_helper_vb2_buf_prepare, 1391 .start_streaming = vdec_start_streaming, 1392 .stop_streaming = vdec_stop_streaming, 1393 .buf_queue = vdec_vb2_buf_queue, 1394 }; 1395 1396 static void vdec_buf_done(struct venus_inst *inst, unsigned int buf_type, 1397 u32 tag, u32 bytesused, u32 data_offset, u32 flags, 1398 u32 hfi_flags, u64 timestamp_us) 1399 { 1400 enum vb2_buffer_state state = VB2_BUF_STATE_DONE; 1401 struct vb2_v4l2_buffer *vbuf; 1402 struct vb2_buffer *vb; 1403 unsigned int type; 1404 1405 vdec_pm_touch(inst); 1406 1407 if (buf_type == HFI_BUFFER_INPUT) 1408 type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE; 1409 else 1410 type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE; 1411 1412 vbuf = venus_helper_find_buf(inst, type, tag); 1413 if (!vbuf) { 1414 venus_helper_change_dpb_owner(inst, vbuf, type, buf_type, tag); 1415 return; 1416 } 1417 1418 vbuf->flags = flags; 1419 vbuf->field = V4L2_FIELD_NONE; 1420 vb = &vbuf->vb2_buf; 1421 1422 if (type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) { 1423 vb2_set_plane_payload(vb, 0, bytesused); 1424 vb->planes[0].data_offset = data_offset; 1425 vb->timestamp = timestamp_us * NSEC_PER_USEC; 1426 vbuf->sequence = inst->sequence_cap++; 1427 1428 if (vbuf->flags & V4L2_BUF_FLAG_LAST) { 1429 const struct v4l2_event ev = { .type = V4L2_EVENT_EOS }; 1430 1431 v4l2_event_queue_fh(&inst->fh, &ev); 1432 1433 if (inst->codec_state == VENUS_DEC_STATE_DRAIN) { 1434 inst->drain_active = false; 1435 inst->codec_state = VENUS_DEC_STATE_STOPPED; 1436 } 1437 } 1438 1439 if (!bytesused) 1440 state = VB2_BUF_STATE_ERROR; 1441 } else { 1442 vbuf->sequence = inst->sequence_out++; 1443 } 1444 1445 venus_helper_get_ts_metadata(inst, timestamp_us, vbuf); 1446 1447 if (hfi_flags & HFI_BUFFERFLAG_READONLY) 1448 venus_helper_acquire_buf_ref(vbuf); 1449 1450 if (hfi_flags & HFI_BUFFERFLAG_DATACORRUPT) 1451 state = VB2_BUF_STATE_ERROR; 1452 1453 if (hfi_flags & HFI_BUFFERFLAG_DROP_FRAME) { 1454 state = VB2_BUF_STATE_ERROR; 1455 vb2_set_plane_payload(vb, 0, 0); 1456 vb->timestamp = 0; 1457 } 1458 1459 v4l2_m2m_buf_done(vbuf, state); 1460 } 1461 1462 static void vdec_event_change(struct venus_inst *inst, 1463 struct hfi_event_data *ev_data, bool sufficient) 1464 { 1465 static const struct v4l2_event ev = { 1466 .type = V4L2_EVENT_SOURCE_CHANGE, 1467 .u.src_change.changes = V4L2_EVENT_SRC_CH_RESOLUTION }; 1468 struct device *dev = inst->core->dev_dec; 1469 struct v4l2_format format = {}; 1470 1471 mutex_lock(&inst->lock); 1472 1473 format.type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE; 1474 format.fmt.pix_mp.pixelformat = inst->fmt_cap->pixfmt; 1475 format.fmt.pix_mp.width = ev_data->width; 1476 format.fmt.pix_mp.height = ev_data->height; 1477 1478 vdec_try_fmt_common(inst, &format); 1479 1480 inst->width = format.fmt.pix_mp.width; 1481 inst->height = format.fmt.pix_mp.height; 1482 /* 1483 * Some versions of the firmware do not report crop information for 1484 * all codecs. For these cases, set the crop to the coded resolution. 1485 */ 1486 if (ev_data->input_crop.width > 0 && ev_data->input_crop.height > 0) { 1487 inst->crop.left = ev_data->input_crop.left; 1488 inst->crop.top = ev_data->input_crop.top; 1489 inst->crop.width = ev_data->input_crop.width; 1490 inst->crop.height = ev_data->input_crop.height; 1491 } else { 1492 inst->crop.left = 0; 1493 inst->crop.top = 0; 1494 inst->crop.width = ev_data->width; 1495 inst->crop.height = ev_data->height; 1496 } 1497 1498 inst->fw_min_cnt = ev_data->buf_count; 1499 /* overwriting this to 11 for vp9 due to fw bug */ 1500 if (inst->hfi_codec == HFI_VIDEO_CODEC_VP9) 1501 inst->fw_min_cnt = 11; 1502 1503 inst->out_width = ev_data->width; 1504 inst->out_height = ev_data->height; 1505 1506 if (inst->bit_depth != ev_data->bit_depth) { 1507 inst->bit_depth = ev_data->bit_depth; 1508 if (inst->bit_depth == VIDC_BITDEPTH_10) 1509 inst->fmt_cap = &vdec_formats[VENUS_FMT_P010]; 1510 else 1511 inst->fmt_cap = &vdec_formats[VENUS_FMT_NV12]; 1512 } 1513 1514 if (inst->pic_struct != ev_data->pic_struct) 1515 inst->pic_struct = ev_data->pic_struct; 1516 1517 dev_dbg(dev, VDBGM "event %s sufficient resources (%ux%u)\n", 1518 sufficient ? "" : "not", ev_data->width, ev_data->height); 1519 1520 switch (inst->codec_state) { 1521 case VENUS_DEC_STATE_INIT: 1522 inst->codec_state = VENUS_DEC_STATE_CAPTURE_SETUP; 1523 break; 1524 case VENUS_DEC_STATE_DECODING: 1525 case VENUS_DEC_STATE_DRAIN: 1526 inst->codec_state = VENUS_DEC_STATE_DRC; 1527 break; 1528 default: 1529 break; 1530 } 1531 1532 /* 1533 * The assumption is that the firmware have to return the last buffer 1534 * before this event is received in the v4l2 driver. Also the firmware 1535 * itself doesn't mark the last decoder output buffer with HFI EOS flag. 1536 */ 1537 1538 if (inst->codec_state == VENUS_DEC_STATE_DRC) { 1539 int ret; 1540 1541 inst->next_buf_last = true; 1542 1543 ret = hfi_session_flush(inst, HFI_FLUSH_OUTPUT, false); 1544 if (ret) 1545 dev_dbg(dev, VDBGH "flush output error %d\n", ret); 1546 } 1547 1548 inst->next_buf_last = true; 1549 inst->reconfig = true; 1550 v4l2_event_queue_fh(&inst->fh, &ev); 1551 wake_up(&inst->reconf_wait); 1552 1553 mutex_unlock(&inst->lock); 1554 } 1555 1556 static void vdec_event_notify(struct venus_inst *inst, u32 event, 1557 struct hfi_event_data *data) 1558 { 1559 struct venus_core *core = inst->core; 1560 struct device *dev = core->dev_dec; 1561 1562 vdec_pm_touch(inst); 1563 1564 switch (event) { 1565 case EVT_SESSION_ERROR: 1566 inst->session_error = true; 1567 venus_helper_vb2_queue_error(inst); 1568 dev_err(dev, "dec: event session error %x\n", inst->error); 1569 break; 1570 case EVT_SYS_EVENT_CHANGE: 1571 switch (data->event_type) { 1572 case HFI_EVENT_DATA_SEQUENCE_CHANGED_SUFFICIENT_BUF_RESOURCES: 1573 vdec_event_change(inst, data, true); 1574 break; 1575 case HFI_EVENT_DATA_SEQUENCE_CHANGED_INSUFFICIENT_BUF_RESOURCES: 1576 vdec_event_change(inst, data, false); 1577 break; 1578 case HFI_EVENT_RELEASE_BUFFER_REFERENCE: 1579 venus_helper_release_buf_ref(inst, data->tag); 1580 break; 1581 default: 1582 break; 1583 } 1584 break; 1585 default: 1586 break; 1587 } 1588 } 1589 1590 static void vdec_flush_done(struct venus_inst *inst) 1591 { 1592 dev_dbg(inst->core->dev_dec, VDBGH "flush done\n"); 1593 } 1594 1595 static const struct hfi_inst_ops vdec_hfi_ops = { 1596 .buf_done = vdec_buf_done, 1597 .event_notify = vdec_event_notify, 1598 .flush_done = vdec_flush_done, 1599 }; 1600 1601 static void vdec_inst_init(struct venus_inst *inst) 1602 { 1603 inst->hfi_codec = HFI_VIDEO_CODEC_H264; 1604 inst->fmt_out = &vdec_formats[VENUS_FMT_H264]; 1605 inst->fmt_cap = &vdec_formats[VENUS_FMT_NV12]; 1606 inst->width = frame_width_min(inst); 1607 inst->height = ALIGN(frame_height_min(inst), 32); 1608 inst->crop.left = 0; 1609 inst->crop.top = 0; 1610 inst->crop.width = inst->width; 1611 inst->crop.height = inst->height; 1612 inst->fw_min_cnt = 8; 1613 inst->out_width = frame_width_min(inst); 1614 inst->out_height = frame_height_min(inst); 1615 inst->fps = 30; 1616 inst->timeperframe.numerator = 1; 1617 inst->timeperframe.denominator = 30; 1618 inst->opb_buftype = HFI_BUFFER_OUTPUT; 1619 } 1620 1621 static void vdec_m2m_device_run(void *priv) 1622 { 1623 } 1624 1625 static const struct v4l2_m2m_ops vdec_m2m_ops = { 1626 .device_run = vdec_m2m_device_run, 1627 .job_abort = venus_helper_m2m_job_abort, 1628 }; 1629 1630 static int m2m_queue_init(void *priv, struct vb2_queue *src_vq, 1631 struct vb2_queue *dst_vq) 1632 { 1633 struct venus_inst *inst = priv; 1634 int ret; 1635 1636 src_vq->type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE; 1637 src_vq->io_modes = VB2_MMAP | VB2_DMABUF; 1638 src_vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY; 1639 src_vq->ops = &vdec_vb2_ops; 1640 src_vq->mem_ops = &vb2_dma_contig_memops; 1641 src_vq->drv_priv = inst; 1642 src_vq->buf_struct_size = sizeof(struct venus_buffer); 1643 src_vq->allow_zero_bytesused = 1; 1644 src_vq->min_buffers_needed = 0; 1645 src_vq->dev = inst->core->dev; 1646 src_vq->lock = &inst->ctx_q_lock; 1647 ret = vb2_queue_init(src_vq); 1648 if (ret) 1649 return ret; 1650 1651 dst_vq->type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE; 1652 dst_vq->io_modes = VB2_MMAP | VB2_DMABUF; 1653 dst_vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY; 1654 dst_vq->ops = &vdec_vb2_ops; 1655 dst_vq->mem_ops = &vb2_dma_contig_memops; 1656 dst_vq->drv_priv = inst; 1657 dst_vq->buf_struct_size = sizeof(struct venus_buffer); 1658 dst_vq->allow_zero_bytesused = 1; 1659 dst_vq->min_buffers_needed = 0; 1660 dst_vq->dev = inst->core->dev; 1661 dst_vq->lock = &inst->ctx_q_lock; 1662 return vb2_queue_init(dst_vq); 1663 } 1664 1665 static int vdec_open(struct file *file) 1666 { 1667 struct venus_core *core = video_drvdata(file); 1668 struct venus_inst *inst; 1669 int ret; 1670 1671 inst = kzalloc(sizeof(*inst), GFP_KERNEL); 1672 if (!inst) 1673 return -ENOMEM; 1674 1675 INIT_LIST_HEAD(&inst->dpbbufs); 1676 INIT_LIST_HEAD(&inst->registeredbufs); 1677 INIT_LIST_HEAD(&inst->internalbufs); 1678 INIT_LIST_HEAD(&inst->list); 1679 mutex_init(&inst->lock); 1680 mutex_init(&inst->ctx_q_lock); 1681 1682 inst->core = core; 1683 inst->session_type = VIDC_SESSION_TYPE_DEC; 1684 inst->num_output_bufs = 1; 1685 inst->codec_state = VENUS_DEC_STATE_DEINIT; 1686 inst->buf_count = 0; 1687 inst->clk_data.core_id = VIDC_CORE_ID_DEFAULT; 1688 inst->core_acquired = false; 1689 inst->bit_depth = VIDC_BITDEPTH_8; 1690 inst->pic_struct = HFI_INTERLACE_FRAME_PROGRESSIVE; 1691 init_waitqueue_head(&inst->reconf_wait); 1692 inst->nonblock = file->f_flags & O_NONBLOCK; 1693 1694 venus_helper_init_instance(inst); 1695 1696 ret = vdec_ctrl_init(inst); 1697 if (ret) 1698 goto err_free; 1699 1700 ret = hfi_session_create(inst, &vdec_hfi_ops); 1701 if (ret) 1702 goto err_ctrl_deinit; 1703 1704 vdec_inst_init(inst); 1705 1706 ida_init(&inst->dpb_ids); 1707 1708 /* 1709 * create m2m device for every instance, the m2m context scheduling 1710 * is made by firmware side so we do not need to care about. 1711 */ 1712 inst->m2m_dev = v4l2_m2m_init(&vdec_m2m_ops); 1713 if (IS_ERR(inst->m2m_dev)) { 1714 ret = PTR_ERR(inst->m2m_dev); 1715 goto err_session_destroy; 1716 } 1717 1718 inst->m2m_ctx = v4l2_m2m_ctx_init(inst->m2m_dev, inst, m2m_queue_init); 1719 if (IS_ERR(inst->m2m_ctx)) { 1720 ret = PTR_ERR(inst->m2m_ctx); 1721 goto err_m2m_release; 1722 } 1723 1724 v4l2_fh_init(&inst->fh, core->vdev_dec); 1725 1726 inst->fh.ctrl_handler = &inst->ctrl_handler; 1727 v4l2_fh_add(&inst->fh); 1728 inst->fh.m2m_ctx = inst->m2m_ctx; 1729 file->private_data = &inst->fh; 1730 1731 return 0; 1732 1733 err_m2m_release: 1734 v4l2_m2m_release(inst->m2m_dev); 1735 err_session_destroy: 1736 hfi_session_destroy(inst); 1737 err_ctrl_deinit: 1738 vdec_ctrl_deinit(inst); 1739 err_free: 1740 kfree(inst); 1741 return ret; 1742 } 1743 1744 static int vdec_close(struct file *file) 1745 { 1746 struct venus_inst *inst = to_inst(file); 1747 1748 vdec_pm_get(inst); 1749 1750 v4l2_m2m_ctx_release(inst->m2m_ctx); 1751 v4l2_m2m_release(inst->m2m_dev); 1752 vdec_ctrl_deinit(inst); 1753 ida_destroy(&inst->dpb_ids); 1754 hfi_session_destroy(inst); 1755 mutex_destroy(&inst->lock); 1756 mutex_destroy(&inst->ctx_q_lock); 1757 v4l2_fh_del(&inst->fh); 1758 v4l2_fh_exit(&inst->fh); 1759 1760 vdec_pm_put(inst, false); 1761 1762 kfree(inst); 1763 return 0; 1764 } 1765 1766 static const struct v4l2_file_operations vdec_fops = { 1767 .owner = THIS_MODULE, 1768 .open = vdec_open, 1769 .release = vdec_close, 1770 .unlocked_ioctl = video_ioctl2, 1771 .poll = v4l2_m2m_fop_poll, 1772 .mmap = v4l2_m2m_fop_mmap, 1773 }; 1774 1775 static int vdec_probe(struct platform_device *pdev) 1776 { 1777 struct device *dev = &pdev->dev; 1778 struct video_device *vdev; 1779 struct venus_core *core; 1780 int ret; 1781 1782 if (!dev->parent) 1783 return -EPROBE_DEFER; 1784 1785 core = dev_get_drvdata(dev->parent); 1786 if (!core) 1787 return -EPROBE_DEFER; 1788 1789 platform_set_drvdata(pdev, core); 1790 1791 if (core->pm_ops->vdec_get) { 1792 ret = core->pm_ops->vdec_get(dev); 1793 if (ret) 1794 return ret; 1795 } 1796 1797 vdev = video_device_alloc(); 1798 if (!vdev) 1799 return -ENOMEM; 1800 1801 strscpy(vdev->name, "qcom-venus-decoder", sizeof(vdev->name)); 1802 vdev->release = video_device_release; 1803 vdev->fops = &vdec_fops; 1804 vdev->ioctl_ops = &vdec_ioctl_ops; 1805 vdev->vfl_dir = VFL_DIR_M2M; 1806 vdev->v4l2_dev = &core->v4l2_dev; 1807 vdev->device_caps = V4L2_CAP_VIDEO_M2M_MPLANE | V4L2_CAP_STREAMING; 1808 1809 ret = video_register_device(vdev, VFL_TYPE_VIDEO, -1); 1810 if (ret) 1811 goto err_vdev_release; 1812 1813 core->vdev_dec = vdev; 1814 core->dev_dec = dev; 1815 1816 video_set_drvdata(vdev, core); 1817 pm_runtime_set_autosuspend_delay(dev, 2000); 1818 pm_runtime_use_autosuspend(dev); 1819 pm_runtime_enable(dev); 1820 1821 return 0; 1822 1823 err_vdev_release: 1824 video_device_release(vdev); 1825 return ret; 1826 } 1827 1828 static void vdec_remove(struct platform_device *pdev) 1829 { 1830 struct venus_core *core = dev_get_drvdata(pdev->dev.parent); 1831 1832 video_unregister_device(core->vdev_dec); 1833 pm_runtime_disable(core->dev_dec); 1834 1835 if (core->pm_ops->vdec_put) 1836 core->pm_ops->vdec_put(core->dev_dec); 1837 } 1838 1839 static __maybe_unused int vdec_runtime_suspend(struct device *dev) 1840 { 1841 struct venus_core *core = dev_get_drvdata(dev); 1842 const struct venus_pm_ops *pm_ops = core->pm_ops; 1843 int ret = 0; 1844 1845 if (pm_ops->vdec_power) 1846 ret = pm_ops->vdec_power(dev, POWER_OFF); 1847 1848 return ret; 1849 } 1850 1851 static __maybe_unused int vdec_runtime_resume(struct device *dev) 1852 { 1853 struct venus_core *core = dev_get_drvdata(dev); 1854 const struct venus_pm_ops *pm_ops = core->pm_ops; 1855 int ret = 0; 1856 1857 if (pm_ops->vdec_power) 1858 ret = pm_ops->vdec_power(dev, POWER_ON); 1859 1860 return ret; 1861 } 1862 1863 static const struct dev_pm_ops vdec_pm_ops = { 1864 SET_SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend, 1865 pm_runtime_force_resume) 1866 SET_RUNTIME_PM_OPS(vdec_runtime_suspend, vdec_runtime_resume, NULL) 1867 }; 1868 1869 static const struct of_device_id vdec_dt_match[] = { 1870 { .compatible = "venus-decoder" }, 1871 { } 1872 }; 1873 MODULE_DEVICE_TABLE(of, vdec_dt_match); 1874 1875 static struct platform_driver qcom_venus_dec_driver = { 1876 .probe = vdec_probe, 1877 .remove_new = vdec_remove, 1878 .driver = { 1879 .name = "qcom-venus-decoder", 1880 .of_match_table = vdec_dt_match, 1881 .pm = &vdec_pm_ops, 1882 }, 1883 }; 1884 module_platform_driver(qcom_venus_dec_driver); 1885 1886 MODULE_ALIAS("platform:qcom-venus-decoder"); 1887 MODULE_DESCRIPTION("Qualcomm Venus video decoder driver"); 1888 MODULE_LICENSE("GPL v2"); 1889