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 = false; 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 { 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 us_per_frame = clamp(us_per_frame, 1, USEC_PER_SEC); 485 fps = USEC_PER_SEC / (u32)us_per_frame; 486 fps = min(VENUS_MAX_FPS, fps); 487 488 inst->fps = fps; 489 inst->timeperframe = *timeperframe; 490 491 return 0; 492 } 493 494 static int vdec_enum_framesizes(struct file *file, void *fh, 495 struct v4l2_frmsizeenum *fsize) 496 { 497 struct venus_inst *inst = to_inst(file); 498 const struct venus_format *fmt; 499 500 fmt = find_format(inst, fsize->pixel_format, 501 V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE); 502 if (!fmt) { 503 fmt = find_format(inst, fsize->pixel_format, 504 V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE); 505 if (!fmt) 506 return -EINVAL; 507 } 508 509 if (fsize->index) 510 return -EINVAL; 511 512 fsize->type = V4L2_FRMSIZE_TYPE_STEPWISE; 513 514 fsize->stepwise.min_width = frame_width_min(inst); 515 fsize->stepwise.max_width = frame_width_max(inst); 516 fsize->stepwise.step_width = frame_width_step(inst); 517 fsize->stepwise.min_height = frame_height_min(inst); 518 fsize->stepwise.max_height = frame_height_max(inst); 519 fsize->stepwise.step_height = frame_height_step(inst); 520 521 return 0; 522 } 523 524 static int vdec_subscribe_event(struct v4l2_fh *fh, 525 const struct v4l2_event_subscription *sub) 526 { 527 struct venus_inst *inst = container_of(fh, struct venus_inst, fh); 528 int ret; 529 530 switch (sub->type) { 531 case V4L2_EVENT_EOS: 532 return v4l2_event_subscribe(fh, sub, 2, NULL); 533 case V4L2_EVENT_SOURCE_CHANGE: 534 ret = v4l2_src_change_event_subscribe(fh, sub); 535 if (ret) 536 return ret; 537 inst->subscriptions |= V4L2_EVENT_SOURCE_CHANGE; 538 return 0; 539 case V4L2_EVENT_CTRL: 540 return v4l2_ctrl_subscribe_event(fh, sub); 541 default: 542 return -EINVAL; 543 } 544 } 545 546 static int 547 vdec_decoder_cmd(struct file *file, void *fh, struct v4l2_decoder_cmd *cmd) 548 { 549 struct venus_inst *inst = to_inst(file); 550 struct vb2_queue *dst_vq; 551 struct hfi_frame_data fdata = {0}; 552 int ret; 553 554 ret = v4l2_m2m_ioctl_try_decoder_cmd(file, fh, cmd); 555 if (ret) 556 return ret; 557 558 mutex_lock(&inst->lock); 559 560 if (cmd->cmd == V4L2_DEC_CMD_STOP) { 561 /* 562 * Implement V4L2_DEC_CMD_STOP by enqueue an empty buffer on 563 * decoder input to signal EOS. 564 */ 565 if (!(inst->streamon_out && inst->streamon_cap)) 566 goto unlock; 567 568 fdata.buffer_type = HFI_BUFFER_INPUT; 569 fdata.flags |= HFI_BUFFERFLAG_EOS; 570 if (IS_V6(inst->core) && is_fw_rev_or_older(inst->core, 1, 0, 87)) 571 fdata.device_addr = 0; 572 else 573 fdata.device_addr = 0xdeadb000; 574 575 ret = hfi_session_process_buf(inst, &fdata); 576 577 if (!ret && inst->codec_state == VENUS_DEC_STATE_DECODING) { 578 inst->codec_state = VENUS_DEC_STATE_DRAIN; 579 inst->drain_active = true; 580 } 581 } else if (cmd->cmd == V4L2_DEC_CMD_START && 582 inst->codec_state == VENUS_DEC_STATE_STOPPED) { 583 dst_vq = v4l2_m2m_get_vq(inst->fh.m2m_ctx, 584 V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE); 585 vb2_clear_last_buffer_dequeued(dst_vq); 586 587 inst->codec_state = VENUS_DEC_STATE_DECODING; 588 } 589 590 unlock: 591 mutex_unlock(&inst->lock); 592 return ret; 593 } 594 595 static const struct v4l2_ioctl_ops vdec_ioctl_ops = { 596 .vidioc_querycap = vdec_querycap, 597 .vidioc_enum_fmt_vid_cap = vdec_enum_fmt, 598 .vidioc_enum_fmt_vid_out = vdec_enum_fmt, 599 .vidioc_s_fmt_vid_cap_mplane = vdec_s_fmt, 600 .vidioc_s_fmt_vid_out_mplane = vdec_s_fmt, 601 .vidioc_g_fmt_vid_cap_mplane = vdec_g_fmt, 602 .vidioc_g_fmt_vid_out_mplane = vdec_g_fmt, 603 .vidioc_try_fmt_vid_cap_mplane = vdec_try_fmt, 604 .vidioc_try_fmt_vid_out_mplane = vdec_try_fmt, 605 .vidioc_g_selection = vdec_g_selection, 606 .vidioc_reqbufs = v4l2_m2m_ioctl_reqbufs, 607 .vidioc_querybuf = v4l2_m2m_ioctl_querybuf, 608 .vidioc_create_bufs = v4l2_m2m_ioctl_create_bufs, 609 .vidioc_prepare_buf = v4l2_m2m_ioctl_prepare_buf, 610 .vidioc_qbuf = v4l2_m2m_ioctl_qbuf, 611 .vidioc_expbuf = v4l2_m2m_ioctl_expbuf, 612 .vidioc_dqbuf = v4l2_m2m_ioctl_dqbuf, 613 .vidioc_streamon = v4l2_m2m_ioctl_streamon, 614 .vidioc_streamoff = v4l2_m2m_ioctl_streamoff, 615 .vidioc_s_parm = vdec_s_parm, 616 .vidioc_enum_framesizes = vdec_enum_framesizes, 617 .vidioc_subscribe_event = vdec_subscribe_event, 618 .vidioc_unsubscribe_event = v4l2_event_unsubscribe, 619 .vidioc_try_decoder_cmd = v4l2_m2m_ioctl_try_decoder_cmd, 620 .vidioc_decoder_cmd = vdec_decoder_cmd, 621 }; 622 623 static int vdec_pm_get(struct venus_inst *inst) 624 { 625 struct venus_core *core = inst->core; 626 struct device *dev = core->dev_dec; 627 int ret; 628 629 mutex_lock(&core->pm_lock); 630 ret = pm_runtime_resume_and_get(dev); 631 mutex_unlock(&core->pm_lock); 632 633 return ret; 634 } 635 636 static int vdec_pm_put(struct venus_inst *inst, bool autosuspend) 637 { 638 struct venus_core *core = inst->core; 639 struct device *dev = core->dev_dec; 640 int ret; 641 642 mutex_lock(&core->pm_lock); 643 644 if (autosuspend) 645 ret = pm_runtime_put_autosuspend(dev); 646 else 647 ret = pm_runtime_put_sync(dev); 648 649 mutex_unlock(&core->pm_lock); 650 651 return ret < 0 ? ret : 0; 652 } 653 654 static int vdec_pm_get_put(struct venus_inst *inst) 655 { 656 struct venus_core *core = inst->core; 657 struct device *dev = core->dev_dec; 658 int ret = 0; 659 660 mutex_lock(&core->pm_lock); 661 662 if (pm_runtime_suspended(dev)) { 663 ret = pm_runtime_resume_and_get(dev); 664 if (ret < 0) 665 goto error; 666 667 ret = pm_runtime_put_autosuspend(dev); 668 } 669 670 error: 671 mutex_unlock(&core->pm_lock); 672 673 return ret < 0 ? ret : 0; 674 } 675 676 static void vdec_pm_touch(struct venus_inst *inst) 677 { 678 pm_runtime_mark_last_busy(inst->core->dev_dec); 679 } 680 681 static int vdec_set_properties(struct venus_inst *inst) 682 { 683 struct vdec_controls *ctr = &inst->controls.dec; 684 struct hfi_enable en = { .enable = 1 }; 685 u32 ptype, decode_order, conceal; 686 int ret; 687 688 if (ctr->post_loop_deb_mode) { 689 ptype = HFI_PROPERTY_CONFIG_VDEC_POST_LOOP_DEBLOCKER; 690 ret = hfi_session_set_property(inst, ptype, &en); 691 if (ret) 692 return ret; 693 } 694 695 if (ctr->display_delay_enable && ctr->display_delay == 0) { 696 ptype = HFI_PROPERTY_PARAM_VDEC_OUTPUT_ORDER; 697 decode_order = HFI_OUTPUT_ORDER_DECODE; 698 ret = hfi_session_set_property(inst, ptype, &decode_order); 699 if (ret) 700 return ret; 701 } 702 703 /* Enabling sufficient sequence change support for VP9 */ 704 if (is_fw_rev_or_newer(inst->core, 5, 4, 51)) { 705 ptype = HFI_PROPERTY_PARAM_VDEC_ENABLE_SUFFICIENT_SEQCHANGE_EVENT; 706 ret = hfi_session_set_property(inst, ptype, &en); 707 if (ret) 708 return ret; 709 } 710 711 ptype = HFI_PROPERTY_PARAM_VDEC_CONCEAL_COLOR; 712 conceal = ctr->conceal_color & 0xffff; 713 conceal |= ((ctr->conceal_color >> 16) & 0xffff) << 10; 714 conceal |= ((ctr->conceal_color >> 32) & 0xffff) << 20; 715 716 ret = hfi_session_set_property(inst, ptype, &conceal); 717 if (ret) 718 return ret; 719 720 return 0; 721 } 722 723 static int vdec_set_work_route(struct venus_inst *inst) 724 { 725 u32 ptype = HFI_PROPERTY_PARAM_WORK_ROUTE; 726 struct hfi_video_work_route wr; 727 728 if (!(IS_IRIS2(inst->core) || IS_IRIS2_1(inst->core))) 729 return 0; 730 731 wr.video_work_route = inst->core->res->num_vpp_pipes; 732 733 return hfi_session_set_property(inst, ptype, &wr); 734 } 735 736 #define is_ubwc_fmt(fmt) (!!((fmt) & HFI_COLOR_FORMAT_UBWC_BASE)) 737 #define is_10bit_ubwc_fmt(fmt) (!!((fmt) & HFI_COLOR_FORMAT_10_BIT_BASE & \ 738 HFI_COLOR_FORMAT_UBWC_BASE)) 739 740 741 static int vdec_output_conf(struct venus_inst *inst) 742 { 743 struct venus_core *core = inst->core; 744 struct hfi_enable en = { .enable = 1 }; 745 struct hfi_buffer_requirements bufreq; 746 u32 width = inst->width; 747 u32 height = inst->height; 748 u32 out_fmt, out2_fmt; 749 bool ubwc = false; 750 u32 ptype; 751 int ret; 752 753 ret = venus_helper_set_work_mode(inst); 754 if (ret) 755 return ret; 756 757 if (core->res->hfi_version == HFI_VERSION_1XX) { 758 ptype = HFI_PROPERTY_PARAM_VDEC_CONTINUE_DATA_TRANSFER; 759 ret = hfi_session_set_property(inst, ptype, &en); 760 if (ret) 761 return ret; 762 } 763 764 /* Force searching UBWC formats for bigger then HD resolutions */ 765 if (width > 1920 && height > ALIGN(1080, 32)) 766 ubwc = true; 767 768 /* For Venus v4/v6 UBWC format is mandatory */ 769 if (IS_V4(core) || IS_V6(core)) 770 ubwc = true; 771 772 ret = venus_helper_get_out_fmts(inst, inst->fmt_cap->pixfmt, &out_fmt, 773 &out2_fmt, ubwc); 774 if (ret) 775 return ret; 776 777 inst->output_buf_size = 778 venus_helper_get_framesz_raw(out_fmt, width, height); 779 inst->output2_buf_size = 780 venus_helper_get_framesz_raw(out2_fmt, width, height); 781 782 if (is_ubwc_fmt(out_fmt)) { 783 inst->opb_buftype = HFI_BUFFER_OUTPUT2; 784 inst->opb_fmt = out2_fmt; 785 inst->dpb_buftype = HFI_BUFFER_OUTPUT; 786 inst->dpb_fmt = out_fmt; 787 } else if (is_ubwc_fmt(out2_fmt) || is_10bit_ubwc_fmt(out_fmt)) { 788 inst->opb_buftype = HFI_BUFFER_OUTPUT; 789 inst->opb_fmt = out_fmt; 790 inst->dpb_buftype = HFI_BUFFER_OUTPUT2; 791 inst->dpb_fmt = out2_fmt; 792 } else { 793 inst->opb_buftype = HFI_BUFFER_OUTPUT; 794 inst->opb_fmt = out_fmt; 795 inst->dpb_buftype = 0; 796 inst->dpb_fmt = 0; 797 } 798 799 ret = venus_helper_set_raw_format(inst, inst->opb_fmt, 800 inst->opb_buftype); 801 if (ret) 802 return ret; 803 804 ret = venus_helper_set_format_constraints(inst); 805 if (ret) 806 return ret; 807 808 if (inst->dpb_fmt) { 809 ret = venus_helper_set_multistream(inst, false, true); 810 if (ret) 811 return ret; 812 813 ret = venus_helper_set_raw_format(inst, inst->dpb_fmt, 814 inst->dpb_buftype); 815 if (ret) 816 return ret; 817 818 ret = venus_helper_set_output_resolution(inst, width, height, 819 HFI_BUFFER_OUTPUT2); 820 if (ret) 821 return ret; 822 } 823 824 if (IS_V3(core) || IS_V4(core) || IS_V6(core)) { 825 ret = venus_helper_get_bufreq(inst, HFI_BUFFER_OUTPUT, &bufreq); 826 if (ret) 827 return ret; 828 829 if (bufreq.size > inst->output_buf_size) 830 return -EINVAL; 831 832 if (inst->dpb_fmt) { 833 ret = venus_helper_get_bufreq(inst, HFI_BUFFER_OUTPUT2, 834 &bufreq); 835 if (ret) 836 return ret; 837 838 if (bufreq.size > inst->output2_buf_size) 839 return -EINVAL; 840 } 841 842 if (inst->output2_buf_size) { 843 ret = venus_helper_set_bufsize(inst, 844 inst->output2_buf_size, 845 HFI_BUFFER_OUTPUT2); 846 if (ret) 847 return ret; 848 } 849 850 if (inst->output_buf_size) { 851 ret = venus_helper_set_bufsize(inst, 852 inst->output_buf_size, 853 HFI_BUFFER_OUTPUT); 854 if (ret) 855 return ret; 856 } 857 } 858 859 ret = venus_helper_set_dyn_bufmode(inst); 860 if (ret) 861 return ret; 862 863 return 0; 864 } 865 866 static int vdec_session_init(struct venus_inst *inst) 867 { 868 int ret; 869 870 ret = venus_helper_session_init(inst); 871 if (ret == -EALREADY) 872 return 0; 873 else if (ret) 874 return ret; 875 876 ret = venus_helper_set_input_resolution(inst, frame_width_min(inst), 877 frame_height_min(inst)); 878 if (ret) 879 goto deinit; 880 881 return 0; 882 deinit: 883 hfi_session_deinit(inst); 884 return ret; 885 } 886 887 static int vdec_num_buffers(struct venus_inst *inst, unsigned int *in_num, 888 unsigned int *out_num) 889 { 890 enum hfi_version ver = inst->core->res->hfi_version; 891 struct hfi_buffer_requirements bufreq; 892 int ret; 893 894 *in_num = *out_num = 0; 895 896 ret = venus_helper_get_bufreq(inst, HFI_BUFFER_INPUT, &bufreq); 897 if (ret) 898 return ret; 899 900 *in_num = hfi_bufreq_get_count_min(&bufreq, ver); 901 902 ret = venus_helper_get_bufreq(inst, HFI_BUFFER_OUTPUT, &bufreq); 903 if (ret) 904 return ret; 905 906 *out_num = hfi_bufreq_get_count_min(&bufreq, ver); 907 908 return 0; 909 } 910 911 static int vdec_queue_setup(struct vb2_queue *q, 912 unsigned int *num_buffers, unsigned int *num_planes, 913 unsigned int sizes[], struct device *alloc_devs[]) 914 { 915 struct venus_inst *inst = vb2_get_drv_priv(q); 916 struct venus_core *core = inst->core; 917 unsigned int in_num, out_num; 918 int ret = 0; 919 920 if (*num_planes) { 921 unsigned int output_buf_size = venus_helper_get_opb_size(inst); 922 923 if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE && 924 *num_planes != inst->fmt_out->num_planes) 925 return -EINVAL; 926 927 if (q->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE && 928 *num_planes != inst->fmt_cap->num_planes) 929 return -EINVAL; 930 931 if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE && 932 sizes[0] < inst->input_buf_size) 933 return -EINVAL; 934 935 if (q->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE && 936 sizes[0] < output_buf_size) 937 return -EINVAL; 938 939 return 0; 940 } 941 942 if (test_bit(0, &core->sys_error)) { 943 if (inst->nonblock) 944 return -EAGAIN; 945 946 ret = wait_event_interruptible(core->sys_err_done, 947 !test_bit(0, &core->sys_error)); 948 if (ret) 949 return ret; 950 } 951 952 ret = vdec_pm_get(inst); 953 if (ret) 954 return ret; 955 956 ret = vdec_session_init(inst); 957 if (ret) 958 goto put_power; 959 960 ret = vdec_num_buffers(inst, &in_num, &out_num); 961 if (ret) 962 goto put_power; 963 964 ret = vdec_pm_put(inst, false); 965 if (ret) 966 return ret; 967 968 switch (q->type) { 969 case V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE: 970 *num_planes = inst->fmt_out->num_planes; 971 sizes[0] = venus_helper_get_framesz(inst->fmt_out->pixfmt, 972 inst->out_width, 973 inst->out_height); 974 sizes[0] = max(sizes[0], inst->input_buf_size); 975 inst->input_buf_size = sizes[0]; 976 *num_buffers = max(*num_buffers, in_num); 977 inst->num_input_bufs = *num_buffers; 978 inst->num_output_bufs = out_num; 979 break; 980 case V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE: 981 *num_planes = inst->fmt_cap->num_planes; 982 sizes[0] = venus_helper_get_framesz(inst->fmt_cap->pixfmt, 983 inst->width, 984 inst->height); 985 inst->output_buf_size = sizes[0]; 986 *num_buffers = max(*num_buffers, out_num); 987 inst->num_output_bufs = *num_buffers; 988 989 mutex_lock(&inst->lock); 990 if (inst->codec_state == VENUS_DEC_STATE_CAPTURE_SETUP) 991 inst->codec_state = VENUS_DEC_STATE_STOPPED; 992 mutex_unlock(&inst->lock); 993 break; 994 default: 995 ret = -EINVAL; 996 break; 997 } 998 999 return ret; 1000 1001 put_power: 1002 vdec_pm_put(inst, false); 1003 return ret; 1004 } 1005 1006 static int vdec_verify_conf(struct venus_inst *inst) 1007 { 1008 enum hfi_version ver = inst->core->res->hfi_version; 1009 struct hfi_buffer_requirements bufreq; 1010 int ret; 1011 1012 if (!inst->num_input_bufs || !inst->num_output_bufs) 1013 return -EINVAL; 1014 1015 ret = venus_helper_get_bufreq(inst, HFI_BUFFER_OUTPUT, &bufreq); 1016 if (ret) 1017 return ret; 1018 1019 if (inst->num_output_bufs < bufreq.count_actual || 1020 inst->num_output_bufs < hfi_bufreq_get_count_min(&bufreq, ver)) 1021 return -EINVAL; 1022 1023 ret = venus_helper_get_bufreq(inst, HFI_BUFFER_INPUT, &bufreq); 1024 if (ret) 1025 return ret; 1026 1027 if (inst->num_input_bufs < hfi_bufreq_get_count_min(&bufreq, ver)) 1028 return -EINVAL; 1029 1030 return 0; 1031 } 1032 1033 static int vdec_start_capture(struct venus_inst *inst) 1034 { 1035 int ret; 1036 1037 if (!inst->streamon_out) 1038 return 0; 1039 1040 if (inst->codec_state == VENUS_DEC_STATE_DECODING) { 1041 if (inst->reconfig) 1042 goto reconfigure; 1043 1044 venus_helper_queue_dpb_bufs(inst); 1045 venus_helper_process_initial_cap_bufs(inst); 1046 inst->streamon_cap = 1; 1047 return 0; 1048 } 1049 1050 if (inst->codec_state != VENUS_DEC_STATE_STOPPED) 1051 return 0; 1052 1053 reconfigure: 1054 ret = vdec_output_conf(inst); 1055 if (ret) 1056 return ret; 1057 1058 ret = venus_helper_set_num_bufs(inst, inst->num_input_bufs, 1059 VB2_MAX_FRAME, VB2_MAX_FRAME); 1060 if (ret) 1061 return ret; 1062 1063 ret = venus_helper_intbufs_realloc(inst); 1064 if (ret) 1065 goto err; 1066 1067 venus_pm_load_scale(inst); 1068 1069 inst->next_buf_last = false; 1070 1071 ret = venus_helper_alloc_dpb_bufs(inst); 1072 if (ret) 1073 goto err; 1074 1075 ret = hfi_session_continue(inst); 1076 if (ret) 1077 goto free_dpb_bufs; 1078 1079 ret = venus_helper_queue_dpb_bufs(inst); 1080 if (ret) 1081 goto free_dpb_bufs; 1082 1083 ret = venus_helper_process_initial_cap_bufs(inst); 1084 if (ret) 1085 goto free_dpb_bufs; 1086 1087 inst->codec_state = VENUS_DEC_STATE_DECODING; 1088 1089 if (inst->drain_active) 1090 inst->codec_state = VENUS_DEC_STATE_DRAIN; 1091 1092 inst->streamon_cap = 1; 1093 inst->sequence_cap = 0; 1094 inst->reconfig = false; 1095 inst->drain_active = false; 1096 1097 return 0; 1098 1099 free_dpb_bufs: 1100 venus_helper_free_dpb_bufs(inst); 1101 err: 1102 return ret; 1103 } 1104 1105 static int vdec_start_output(struct venus_inst *inst) 1106 { 1107 int ret; 1108 1109 if (inst->codec_state == VENUS_DEC_STATE_SEEK) { 1110 ret = venus_helper_process_initial_out_bufs(inst); 1111 if (ret) 1112 return ret; 1113 1114 if (inst->next_buf_last) { 1115 inst->codec_state = VENUS_DEC_STATE_DRC; 1116 } else { 1117 inst->codec_state = VENUS_DEC_STATE_DECODING; 1118 1119 if (inst->streamon_cap) { 1120 ret = venus_helper_queue_dpb_bufs(inst); 1121 if (ret) 1122 return ret; 1123 } 1124 } 1125 goto done; 1126 } 1127 1128 if (inst->codec_state == VENUS_DEC_STATE_INIT || 1129 inst->codec_state == VENUS_DEC_STATE_CAPTURE_SETUP) { 1130 ret = venus_helper_process_initial_out_bufs(inst); 1131 goto done; 1132 } 1133 1134 if (inst->codec_state != VENUS_DEC_STATE_DEINIT) 1135 return -EINVAL; 1136 1137 venus_helper_init_instance(inst); 1138 inst->sequence_out = 0; 1139 inst->reconfig = false; 1140 inst->next_buf_last = false; 1141 1142 ret = vdec_set_properties(inst); 1143 if (ret) 1144 return ret; 1145 1146 ret = vdec_set_work_route(inst); 1147 if (ret) 1148 return ret; 1149 1150 ret = vdec_output_conf(inst); 1151 if (ret) 1152 return ret; 1153 1154 ret = vdec_verify_conf(inst); 1155 if (ret) 1156 return ret; 1157 1158 ret = venus_helper_set_num_bufs(inst, inst->num_input_bufs, 1159 VB2_MAX_FRAME, VB2_MAX_FRAME); 1160 if (ret) 1161 return ret; 1162 1163 ret = venus_helper_vb2_start_streaming(inst); 1164 if (ret) 1165 return ret; 1166 1167 ret = venus_helper_process_initial_out_bufs(inst); 1168 if (ret) 1169 return ret; 1170 1171 inst->codec_state = VENUS_DEC_STATE_INIT; 1172 1173 done: 1174 inst->streamon_out = 1; 1175 return ret; 1176 } 1177 1178 static int vdec_start_streaming(struct vb2_queue *q, unsigned int count) 1179 { 1180 struct venus_inst *inst = vb2_get_drv_priv(q); 1181 int ret; 1182 1183 mutex_lock(&inst->lock); 1184 1185 if (q->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) { 1186 ret = vdec_start_capture(inst); 1187 } else { 1188 ret = vdec_pm_get(inst); 1189 if (ret) 1190 goto error; 1191 1192 ret = venus_pm_acquire_core(inst); 1193 if (ret) 1194 goto put_power; 1195 1196 ret = vdec_pm_put(inst, true); 1197 if (ret) 1198 goto error; 1199 1200 ret = vdec_start_output(inst); 1201 } 1202 1203 if (ret) 1204 goto error; 1205 1206 mutex_unlock(&inst->lock); 1207 return 0; 1208 1209 put_power: 1210 vdec_pm_put(inst, false); 1211 error: 1212 venus_helper_buffers_done(inst, q->type, VB2_BUF_STATE_QUEUED); 1213 mutex_unlock(&inst->lock); 1214 return ret; 1215 } 1216 1217 static void vdec_cancel_dst_buffers(struct venus_inst *inst) 1218 { 1219 struct vb2_v4l2_buffer *buf; 1220 1221 while ((buf = v4l2_m2m_dst_buf_remove(inst->m2m_ctx))) 1222 v4l2_m2m_buf_done(buf, VB2_BUF_STATE_ERROR); 1223 } 1224 1225 static int vdec_stop_capture(struct venus_inst *inst) 1226 { 1227 int ret = 0; 1228 1229 switch (inst->codec_state) { 1230 case VENUS_DEC_STATE_DECODING: 1231 ret = hfi_session_flush(inst, HFI_FLUSH_ALL, true); 1232 fallthrough; 1233 case VENUS_DEC_STATE_DRAIN: 1234 inst->codec_state = VENUS_DEC_STATE_STOPPED; 1235 inst->drain_active = false; 1236 fallthrough; 1237 case VENUS_DEC_STATE_SEEK: 1238 vdec_cancel_dst_buffers(inst); 1239 break; 1240 case VENUS_DEC_STATE_DRC: 1241 ret = hfi_session_flush(inst, HFI_FLUSH_OUTPUT, true); 1242 inst->codec_state = VENUS_DEC_STATE_CAPTURE_SETUP; 1243 venus_helper_free_dpb_bufs(inst); 1244 break; 1245 default: 1246 break; 1247 } 1248 1249 return ret; 1250 } 1251 1252 static int vdec_stop_output(struct venus_inst *inst) 1253 { 1254 int ret = 0; 1255 1256 switch (inst->codec_state) { 1257 case VENUS_DEC_STATE_DECODING: 1258 case VENUS_DEC_STATE_DRAIN: 1259 case VENUS_DEC_STATE_STOPPED: 1260 case VENUS_DEC_STATE_DRC: 1261 ret = hfi_session_flush(inst, HFI_FLUSH_ALL, true); 1262 inst->codec_state = VENUS_DEC_STATE_SEEK; 1263 break; 1264 case VENUS_DEC_STATE_INIT: 1265 case VENUS_DEC_STATE_CAPTURE_SETUP: 1266 ret = hfi_session_flush(inst, HFI_FLUSH_ALL, true); 1267 break; 1268 default: 1269 break; 1270 } 1271 1272 return ret; 1273 } 1274 1275 static void vdec_stop_streaming(struct vb2_queue *q) 1276 { 1277 struct venus_inst *inst = vb2_get_drv_priv(q); 1278 int ret = -EINVAL; 1279 1280 vdec_pm_get_put(inst); 1281 1282 mutex_lock(&inst->lock); 1283 1284 if (q->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) 1285 ret = vdec_stop_capture(inst); 1286 else 1287 ret = vdec_stop_output(inst); 1288 1289 venus_helper_buffers_done(inst, q->type, VB2_BUF_STATE_ERROR); 1290 1291 inst->session_error = 0; 1292 1293 if (ret) 1294 goto unlock; 1295 1296 if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) 1297 inst->streamon_out = 0; 1298 else 1299 inst->streamon_cap = 0; 1300 1301 unlock: 1302 mutex_unlock(&inst->lock); 1303 } 1304 1305 static void vdec_session_release(struct venus_inst *inst) 1306 { 1307 struct venus_core *core = inst->core; 1308 int ret, abort = 0; 1309 1310 vdec_pm_get(inst); 1311 1312 mutex_lock(&inst->lock); 1313 inst->codec_state = VENUS_DEC_STATE_DEINIT; 1314 1315 ret = hfi_session_stop(inst); 1316 abort = (ret && ret != -EINVAL) ? 1 : 0; 1317 ret = hfi_session_unload_res(inst); 1318 abort = (ret && ret != -EINVAL) ? 1 : 0; 1319 ret = venus_helper_unregister_bufs(inst); 1320 abort = (ret && ret != -EINVAL) ? 1 : 0; 1321 ret = venus_helper_intbufs_free(inst); 1322 abort = (ret && ret != -EINVAL) ? 1 : 0; 1323 ret = hfi_session_deinit(inst); 1324 abort = (ret && ret != -EINVAL) ? 1 : 0; 1325 1326 if (inst->session_error || test_bit(0, &core->sys_error)) 1327 abort = 1; 1328 1329 if (abort) 1330 hfi_session_abort(inst); 1331 1332 venus_helper_free_dpb_bufs(inst); 1333 venus_pm_load_scale(inst); 1334 INIT_LIST_HEAD(&inst->registeredbufs); 1335 mutex_unlock(&inst->lock); 1336 1337 venus_pm_release_core(inst); 1338 vdec_pm_put(inst, false); 1339 } 1340 1341 static int vdec_buf_init(struct vb2_buffer *vb) 1342 { 1343 struct venus_inst *inst = vb2_get_drv_priv(vb->vb2_queue); 1344 1345 inst->buf_count++; 1346 1347 return venus_helper_vb2_buf_init(vb); 1348 } 1349 1350 static void vdec_buf_cleanup(struct vb2_buffer *vb) 1351 { 1352 struct venus_inst *inst = vb2_get_drv_priv(vb->vb2_queue); 1353 struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb); 1354 struct venus_buffer *buf = to_venus_buffer(vbuf); 1355 1356 mutex_lock(&inst->lock); 1357 if (vb->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) 1358 if (!list_empty(&inst->registeredbufs)) 1359 list_del_init(&buf->reg_list); 1360 mutex_unlock(&inst->lock); 1361 1362 inst->buf_count--; 1363 if (!inst->buf_count) 1364 vdec_session_release(inst); 1365 } 1366 1367 static void vdec_vb2_buf_queue(struct vb2_buffer *vb) 1368 { 1369 struct venus_inst *inst = vb2_get_drv_priv(vb->vb2_queue); 1370 struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb); 1371 static const struct v4l2_event eos = { .type = V4L2_EVENT_EOS }; 1372 1373 vdec_pm_get_put(inst); 1374 1375 mutex_lock(&inst->lock); 1376 1377 if (inst->next_buf_last && V4L2_TYPE_IS_CAPTURE(vb->vb2_queue->type) && 1378 inst->codec_state == VENUS_DEC_STATE_DRC) { 1379 vbuf->flags |= V4L2_BUF_FLAG_LAST; 1380 vbuf->sequence = inst->sequence_cap++; 1381 vbuf->field = V4L2_FIELD_NONE; 1382 vb2_set_plane_payload(vb, 0, 0); 1383 v4l2_m2m_buf_done(vbuf, VB2_BUF_STATE_DONE); 1384 v4l2_event_queue_fh(&inst->fh, &eos); 1385 inst->next_buf_last = false; 1386 mutex_unlock(&inst->lock); 1387 return; 1388 } 1389 1390 venus_helper_vb2_buf_queue(vb); 1391 mutex_unlock(&inst->lock); 1392 } 1393 1394 static const struct vb2_ops vdec_vb2_ops = { 1395 .queue_setup = vdec_queue_setup, 1396 .buf_init = vdec_buf_init, 1397 .buf_cleanup = vdec_buf_cleanup, 1398 .buf_prepare = venus_helper_vb2_buf_prepare, 1399 .start_streaming = vdec_start_streaming, 1400 .stop_streaming = vdec_stop_streaming, 1401 .buf_queue = vdec_vb2_buf_queue, 1402 }; 1403 1404 static void vdec_buf_done(struct venus_inst *inst, unsigned int buf_type, 1405 u32 tag, u32 bytesused, u32 data_offset, u32 flags, 1406 u32 hfi_flags, u64 timestamp_us) 1407 { 1408 enum vb2_buffer_state state = VB2_BUF_STATE_DONE; 1409 struct vb2_v4l2_buffer *vbuf; 1410 struct vb2_buffer *vb; 1411 unsigned int type; 1412 1413 vdec_pm_touch(inst); 1414 1415 if (buf_type == HFI_BUFFER_INPUT) 1416 type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE; 1417 else 1418 type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE; 1419 1420 vbuf = venus_helper_find_buf(inst, type, tag); 1421 if (!vbuf) { 1422 venus_helper_change_dpb_owner(inst, vbuf, type, buf_type, tag); 1423 return; 1424 } 1425 1426 vbuf->flags = flags; 1427 vbuf->field = V4L2_FIELD_NONE; 1428 vb = &vbuf->vb2_buf; 1429 1430 if (type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) { 1431 vb2_set_plane_payload(vb, 0, bytesused); 1432 vb->planes[0].data_offset = data_offset; 1433 vb->timestamp = timestamp_us * NSEC_PER_USEC; 1434 vbuf->sequence = inst->sequence_cap++; 1435 1436 if (vbuf->flags & V4L2_BUF_FLAG_LAST) { 1437 const struct v4l2_event ev = { .type = V4L2_EVENT_EOS }; 1438 1439 v4l2_event_queue_fh(&inst->fh, &ev); 1440 1441 if (inst->codec_state == VENUS_DEC_STATE_DRAIN) { 1442 inst->drain_active = false; 1443 inst->codec_state = VENUS_DEC_STATE_STOPPED; 1444 } 1445 } 1446 1447 if (!bytesused) 1448 state = VB2_BUF_STATE_ERROR; 1449 } else { 1450 vbuf->sequence = inst->sequence_out++; 1451 } 1452 1453 venus_helper_get_ts_metadata(inst, timestamp_us, vbuf); 1454 1455 if (hfi_flags & HFI_BUFFERFLAG_READONLY) 1456 venus_helper_acquire_buf_ref(vbuf); 1457 1458 if (hfi_flags & HFI_BUFFERFLAG_DATACORRUPT) 1459 state = VB2_BUF_STATE_ERROR; 1460 1461 if (hfi_flags & HFI_BUFFERFLAG_DROP_FRAME) { 1462 state = VB2_BUF_STATE_ERROR; 1463 vb2_set_plane_payload(vb, 0, 0); 1464 vb->timestamp = 0; 1465 } 1466 1467 v4l2_m2m_buf_done(vbuf, state); 1468 } 1469 1470 static void vdec_event_change(struct venus_inst *inst, 1471 struct hfi_event_data *ev_data, bool sufficient) 1472 { 1473 static const struct v4l2_event ev = { 1474 .type = V4L2_EVENT_SOURCE_CHANGE, 1475 .u.src_change.changes = V4L2_EVENT_SRC_CH_RESOLUTION }; 1476 struct device *dev = inst->core->dev_dec; 1477 struct v4l2_format format = {}; 1478 1479 mutex_lock(&inst->lock); 1480 1481 format.type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE; 1482 format.fmt.pix_mp.pixelformat = inst->fmt_cap->pixfmt; 1483 format.fmt.pix_mp.width = ev_data->width; 1484 format.fmt.pix_mp.height = ev_data->height; 1485 1486 vdec_try_fmt_common(inst, &format); 1487 1488 inst->width = format.fmt.pix_mp.width; 1489 inst->height = format.fmt.pix_mp.height; 1490 /* 1491 * Some versions of the firmware do not report crop information for 1492 * all codecs. For these cases, set the crop to the coded resolution. 1493 */ 1494 if (ev_data->input_crop.width > 0 && ev_data->input_crop.height > 0) { 1495 inst->crop.left = ev_data->input_crop.left; 1496 inst->crop.top = ev_data->input_crop.top; 1497 inst->crop.width = ev_data->input_crop.width; 1498 inst->crop.height = ev_data->input_crop.height; 1499 } else { 1500 inst->crop.left = 0; 1501 inst->crop.top = 0; 1502 inst->crop.width = ev_data->width; 1503 inst->crop.height = ev_data->height; 1504 } 1505 1506 inst->fw_min_cnt = ev_data->buf_count; 1507 /* overwriting this to 11 for vp9 due to fw bug */ 1508 if (inst->hfi_codec == HFI_VIDEO_CODEC_VP9) 1509 inst->fw_min_cnt = 11; 1510 1511 inst->out_width = ev_data->width; 1512 inst->out_height = ev_data->height; 1513 1514 if (inst->bit_depth != ev_data->bit_depth) { 1515 inst->bit_depth = ev_data->bit_depth; 1516 if (inst->bit_depth == VIDC_BITDEPTH_10) 1517 inst->fmt_cap = &vdec_formats[VENUS_FMT_P010]; 1518 else 1519 inst->fmt_cap = &vdec_formats[VENUS_FMT_NV12]; 1520 } 1521 1522 if (inst->pic_struct != ev_data->pic_struct) 1523 inst->pic_struct = ev_data->pic_struct; 1524 1525 dev_dbg(dev, VDBGM "event %s sufficient resources (%ux%u)\n", 1526 sufficient ? "" : "not", ev_data->width, ev_data->height); 1527 1528 switch (inst->codec_state) { 1529 case VENUS_DEC_STATE_INIT: 1530 inst->codec_state = VENUS_DEC_STATE_CAPTURE_SETUP; 1531 break; 1532 case VENUS_DEC_STATE_DECODING: 1533 case VENUS_DEC_STATE_DRAIN: 1534 inst->codec_state = VENUS_DEC_STATE_DRC; 1535 break; 1536 default: 1537 break; 1538 } 1539 1540 /* 1541 * The assumption is that the firmware have to return the last buffer 1542 * before this event is received in the v4l2 driver. Also the firmware 1543 * itself doesn't mark the last decoder output buffer with HFI EOS flag. 1544 */ 1545 1546 if (inst->codec_state == VENUS_DEC_STATE_DRC) { 1547 int ret; 1548 1549 inst->next_buf_last = true; 1550 1551 ret = hfi_session_flush(inst, HFI_FLUSH_OUTPUT, false); 1552 if (ret) 1553 dev_dbg(dev, VDBGH "flush output error %d\n", ret); 1554 } 1555 1556 inst->next_buf_last = true; 1557 inst->reconfig = true; 1558 v4l2_event_queue_fh(&inst->fh, &ev); 1559 wake_up(&inst->reconf_wait); 1560 1561 mutex_unlock(&inst->lock); 1562 } 1563 1564 static void vdec_event_notify(struct venus_inst *inst, u32 event, 1565 struct hfi_event_data *data) 1566 { 1567 struct venus_core *core = inst->core; 1568 struct device *dev = core->dev_dec; 1569 1570 vdec_pm_touch(inst); 1571 1572 switch (event) { 1573 case EVT_SESSION_ERROR: 1574 inst->session_error = true; 1575 venus_helper_vb2_queue_error(inst); 1576 dev_err(dev, "dec: event session error %x\n", inst->error); 1577 break; 1578 case EVT_SYS_EVENT_CHANGE: 1579 switch (data->event_type) { 1580 case HFI_EVENT_DATA_SEQUENCE_CHANGED_SUFFICIENT_BUF_RESOURCES: 1581 vdec_event_change(inst, data, true); 1582 break; 1583 case HFI_EVENT_DATA_SEQUENCE_CHANGED_INSUFFICIENT_BUF_RESOURCES: 1584 vdec_event_change(inst, data, false); 1585 break; 1586 case HFI_EVENT_RELEASE_BUFFER_REFERENCE: 1587 venus_helper_release_buf_ref(inst, data->tag); 1588 break; 1589 default: 1590 break; 1591 } 1592 break; 1593 default: 1594 break; 1595 } 1596 } 1597 1598 static void vdec_flush_done(struct venus_inst *inst) 1599 { 1600 dev_dbg(inst->core->dev_dec, VDBGH "flush done\n"); 1601 } 1602 1603 static const struct hfi_inst_ops vdec_hfi_ops = { 1604 .buf_done = vdec_buf_done, 1605 .event_notify = vdec_event_notify, 1606 .flush_done = vdec_flush_done, 1607 }; 1608 1609 static void vdec_inst_init(struct venus_inst *inst) 1610 { 1611 inst->hfi_codec = HFI_VIDEO_CODEC_H264; 1612 inst->fmt_out = &vdec_formats[VENUS_FMT_H264]; 1613 inst->fmt_cap = &vdec_formats[VENUS_FMT_NV12]; 1614 inst->width = frame_width_min(inst); 1615 inst->height = ALIGN(frame_height_min(inst), 32); 1616 inst->crop.left = 0; 1617 inst->crop.top = 0; 1618 inst->crop.width = inst->width; 1619 inst->crop.height = inst->height; 1620 inst->fw_min_cnt = 8; 1621 inst->out_width = frame_width_min(inst); 1622 inst->out_height = frame_height_min(inst); 1623 inst->fps = 30; 1624 inst->timeperframe.numerator = 1; 1625 inst->timeperframe.denominator = 30; 1626 inst->opb_buftype = HFI_BUFFER_OUTPUT; 1627 } 1628 1629 static void vdec_m2m_device_run(void *priv) 1630 { 1631 } 1632 1633 static const struct v4l2_m2m_ops vdec_m2m_ops = { 1634 .device_run = vdec_m2m_device_run, 1635 .job_abort = venus_helper_m2m_job_abort, 1636 }; 1637 1638 static int m2m_queue_init(void *priv, struct vb2_queue *src_vq, 1639 struct vb2_queue *dst_vq) 1640 { 1641 struct venus_inst *inst = priv; 1642 int ret; 1643 1644 src_vq->type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE; 1645 src_vq->io_modes = VB2_MMAP | VB2_DMABUF; 1646 src_vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY; 1647 src_vq->ops = &vdec_vb2_ops; 1648 src_vq->mem_ops = &vb2_dma_contig_memops; 1649 src_vq->drv_priv = inst; 1650 src_vq->buf_struct_size = sizeof(struct venus_buffer); 1651 src_vq->allow_zero_bytesused = 1; 1652 src_vq->min_queued_buffers = 0; 1653 src_vq->dev = inst->core->dev; 1654 src_vq->lock = &inst->ctx_q_lock; 1655 ret = vb2_queue_init(src_vq); 1656 if (ret) 1657 return ret; 1658 1659 dst_vq->type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE; 1660 dst_vq->io_modes = VB2_MMAP | VB2_DMABUF; 1661 dst_vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY; 1662 dst_vq->ops = &vdec_vb2_ops; 1663 dst_vq->mem_ops = &vb2_dma_contig_memops; 1664 dst_vq->drv_priv = inst; 1665 dst_vq->buf_struct_size = sizeof(struct venus_buffer); 1666 dst_vq->allow_zero_bytesused = 1; 1667 dst_vq->min_queued_buffers = 0; 1668 dst_vq->dev = inst->core->dev; 1669 dst_vq->lock = &inst->ctx_q_lock; 1670 return vb2_queue_init(dst_vq); 1671 } 1672 1673 static int vdec_open(struct file *file) 1674 { 1675 struct venus_core *core = video_drvdata(file); 1676 struct venus_inst *inst; 1677 int ret; 1678 1679 inst = kzalloc(sizeof(*inst), GFP_KERNEL); 1680 if (!inst) 1681 return -ENOMEM; 1682 1683 INIT_LIST_HEAD(&inst->dpbbufs); 1684 INIT_LIST_HEAD(&inst->registeredbufs); 1685 INIT_LIST_HEAD(&inst->internalbufs); 1686 INIT_LIST_HEAD(&inst->list); 1687 mutex_init(&inst->lock); 1688 mutex_init(&inst->ctx_q_lock); 1689 1690 inst->core = core; 1691 inst->session_type = VIDC_SESSION_TYPE_DEC; 1692 inst->num_output_bufs = 1; 1693 inst->codec_state = VENUS_DEC_STATE_DEINIT; 1694 inst->buf_count = 0; 1695 inst->clk_data.core_id = VIDC_CORE_ID_DEFAULT; 1696 inst->core_acquired = false; 1697 inst->bit_depth = VIDC_BITDEPTH_8; 1698 inst->pic_struct = HFI_INTERLACE_FRAME_PROGRESSIVE; 1699 init_waitqueue_head(&inst->reconf_wait); 1700 inst->nonblock = file->f_flags & O_NONBLOCK; 1701 1702 venus_helper_init_instance(inst); 1703 1704 ret = vdec_ctrl_init(inst); 1705 if (ret) 1706 goto err_free; 1707 1708 vdec_inst_init(inst); 1709 1710 ida_init(&inst->dpb_ids); 1711 1712 /* 1713 * create m2m device for every instance, the m2m context scheduling 1714 * is made by firmware side so we do not need to care about. 1715 */ 1716 inst->m2m_dev = v4l2_m2m_init(&vdec_m2m_ops); 1717 if (IS_ERR(inst->m2m_dev)) { 1718 ret = PTR_ERR(inst->m2m_dev); 1719 goto err_ctrl_deinit; 1720 } 1721 1722 inst->m2m_ctx = v4l2_m2m_ctx_init(inst->m2m_dev, inst, m2m_queue_init); 1723 if (IS_ERR(inst->m2m_ctx)) { 1724 ret = PTR_ERR(inst->m2m_ctx); 1725 goto err_m2m_dev_release; 1726 } 1727 1728 ret = hfi_session_create(inst, &vdec_hfi_ops); 1729 if (ret) 1730 goto err_m2m_ctx_release; 1731 1732 v4l2_fh_init(&inst->fh, core->vdev_dec); 1733 1734 inst->fh.ctrl_handler = &inst->ctrl_handler; 1735 v4l2_fh_add(&inst->fh); 1736 inst->fh.m2m_ctx = inst->m2m_ctx; 1737 file->private_data = &inst->fh; 1738 1739 return 0; 1740 1741 err_m2m_ctx_release: 1742 v4l2_m2m_ctx_release(inst->m2m_ctx); 1743 err_m2m_dev_release: 1744 v4l2_m2m_release(inst->m2m_dev); 1745 err_ctrl_deinit: 1746 v4l2_ctrl_handler_free(&inst->ctrl_handler); 1747 err_free: 1748 kfree(inst); 1749 return ret; 1750 } 1751 1752 static int vdec_close(struct file *file) 1753 { 1754 struct venus_inst *inst = to_inst(file); 1755 1756 vdec_pm_get(inst); 1757 cancel_work_sync(&inst->delayed_process_work); 1758 venus_close_common(inst); 1759 ida_destroy(&inst->dpb_ids); 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 = 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