1 // SPDX-License-Identifier: GPL-2.0-only 2 /* 3 * Copyright (c) 2012-2016, The Linux Foundation. All rights reserved. 4 * Copyright (C) 2017 Linaro Ltd. 5 */ 6 #include <linux/clk.h> 7 #include <linux/module.h> 8 #include <linux/mod_devicetable.h> 9 #include <linux/platform_device.h> 10 #include <linux/pm_runtime.h> 11 #include <linux/slab.h> 12 #include <media/v4l2-mem2mem.h> 13 #include <media/videobuf2-dma-contig.h> 14 #include <media/v4l2-ioctl.h> 15 #include <media/v4l2-event.h> 16 #include <media/v4l2-ctrls.h> 17 18 #include "hfi_venus_io.h" 19 #include "hfi_parser.h" 20 #include "core.h" 21 #include "helpers.h" 22 #include "venc.h" 23 #include "pm_helpers.h" 24 25 #define NUM_B_FRAMES_MAX 4 26 27 /* 28 * Three resons to keep MPLANE formats (despite that the number of planes 29 * currently is one): 30 * - the MPLANE formats allow only one plane to be used 31 * - the downstream driver use MPLANE formats too 32 * - future firmware versions could add support for >1 planes 33 */ 34 static const struct venus_format venc_formats[] = { 35 { 36 .pixfmt = V4L2_PIX_FMT_NV12, 37 .num_planes = 1, 38 .type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE, 39 }, { 40 .pixfmt = V4L2_PIX_FMT_MPEG4, 41 .num_planes = 1, 42 .type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE, 43 }, { 44 .pixfmt = V4L2_PIX_FMT_H263, 45 .num_planes = 1, 46 .type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE, 47 }, { 48 .pixfmt = V4L2_PIX_FMT_H264, 49 .num_planes = 1, 50 .type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE, 51 }, { 52 .pixfmt = V4L2_PIX_FMT_VP8, 53 .num_planes = 1, 54 .type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE, 55 }, { 56 .pixfmt = V4L2_PIX_FMT_HEVC, 57 .num_planes = 1, 58 .type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE, 59 }, 60 }; 61 62 static const struct venus_format * 63 find_format(struct venus_inst *inst, u32 pixfmt, u32 type) 64 { 65 const struct venus_format *fmt = venc_formats; 66 unsigned int size = ARRAY_SIZE(venc_formats); 67 unsigned int i; 68 69 for (i = 0; i < size; i++) { 70 if (fmt[i].pixfmt == pixfmt) 71 break; 72 } 73 74 if (i == size || fmt[i].type != type) 75 return NULL; 76 77 if (type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE && 78 !venus_helper_check_codec(inst, fmt[i].pixfmt)) 79 return NULL; 80 81 return &fmt[i]; 82 } 83 84 static const struct venus_format * 85 find_format_by_index(struct venus_inst *inst, unsigned int index, u32 type) 86 { 87 const struct venus_format *fmt = venc_formats; 88 unsigned int size = ARRAY_SIZE(venc_formats); 89 unsigned int i, k = 0; 90 91 if (index > size) 92 return NULL; 93 94 for (i = 0; i < size; i++) { 95 bool valid; 96 97 if (fmt[i].type != type) 98 continue; 99 valid = type != V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE || 100 venus_helper_check_codec(inst, fmt[i].pixfmt); 101 if (k == index && valid) 102 break; 103 if (valid) 104 k++; 105 } 106 107 if (i == size) 108 return NULL; 109 110 return &fmt[i]; 111 } 112 113 static int venc_v4l2_to_hfi(int id, int value) 114 { 115 switch (id) { 116 case V4L2_CID_MPEG_VIDEO_H264_ENTROPY_MODE: 117 switch (value) { 118 case V4L2_MPEG_VIDEO_H264_ENTROPY_MODE_CAVLC: 119 default: 120 return HFI_H264_ENTROPY_CAVLC; 121 case V4L2_MPEG_VIDEO_H264_ENTROPY_MODE_CABAC: 122 return HFI_H264_ENTROPY_CABAC; 123 } 124 case V4L2_CID_MPEG_VIDEO_H264_LOOP_FILTER_MODE: 125 switch (value) { 126 case V4L2_MPEG_VIDEO_H264_LOOP_FILTER_MODE_ENABLED: 127 default: 128 return HFI_H264_DB_MODE_ALL_BOUNDARY; 129 case V4L2_MPEG_VIDEO_H264_LOOP_FILTER_MODE_DISABLED: 130 return HFI_H264_DB_MODE_DISABLE; 131 case V4L2_MPEG_VIDEO_H264_LOOP_FILTER_MODE_DISABLED_AT_SLICE_BOUNDARY: 132 return HFI_H264_DB_MODE_SKIP_SLICE_BOUNDARY; 133 } 134 } 135 136 return 0; 137 } 138 139 static int 140 venc_querycap(struct file *file, void *fh, struct v4l2_capability *cap) 141 { 142 strscpy(cap->driver, "qcom-venus", sizeof(cap->driver)); 143 strscpy(cap->card, "Qualcomm Venus video encoder", sizeof(cap->card)); 144 strscpy(cap->bus_info, "platform:qcom-venus", sizeof(cap->bus_info)); 145 146 return 0; 147 } 148 149 static int venc_enum_fmt(struct file *file, void *fh, struct v4l2_fmtdesc *f) 150 { 151 struct venus_inst *inst = to_inst(file); 152 const struct venus_format *fmt; 153 154 fmt = find_format_by_index(inst, f->index, f->type); 155 156 memset(f->reserved, 0, sizeof(f->reserved)); 157 158 if (!fmt) 159 return -EINVAL; 160 161 f->pixelformat = fmt->pixfmt; 162 163 return 0; 164 } 165 166 static const struct venus_format * 167 venc_try_fmt_common(struct venus_inst *inst, struct v4l2_format *f) 168 { 169 struct v4l2_pix_format_mplane *pixmp = &f->fmt.pix_mp; 170 struct v4l2_plane_pix_format *pfmt = pixmp->plane_fmt; 171 const struct venus_format *fmt; 172 u32 sizeimage; 173 174 memset(pfmt[0].reserved, 0, sizeof(pfmt[0].reserved)); 175 memset(pixmp->reserved, 0, sizeof(pixmp->reserved)); 176 177 fmt = find_format(inst, pixmp->pixelformat, f->type); 178 if (!fmt) { 179 if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) 180 pixmp->pixelformat = V4L2_PIX_FMT_H264; 181 else if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) 182 pixmp->pixelformat = V4L2_PIX_FMT_NV12; 183 else 184 return NULL; 185 fmt = find_format(inst, pixmp->pixelformat, f->type); 186 if (!fmt) 187 return NULL; 188 } 189 190 pixmp->width = clamp(pixmp->width, frame_width_min(inst), 191 frame_width_max(inst)); 192 pixmp->height = clamp(pixmp->height, frame_height_min(inst), 193 frame_height_max(inst)); 194 195 if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) { 196 pixmp->width = ALIGN(pixmp->width, 128); 197 pixmp->height = ALIGN(pixmp->height, 32); 198 } 199 200 pixmp->width = ALIGN(pixmp->width, 2); 201 pixmp->height = ALIGN(pixmp->height, 2); 202 203 if (pixmp->field == V4L2_FIELD_ANY) 204 pixmp->field = V4L2_FIELD_NONE; 205 pixmp->num_planes = fmt->num_planes; 206 pixmp->flags = 0; 207 208 sizeimage = venus_helper_get_framesz(pixmp->pixelformat, 209 pixmp->width, 210 pixmp->height); 211 pfmt[0].sizeimage = max(ALIGN(pfmt[0].sizeimage, SZ_4K), sizeimage); 212 213 if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) 214 pfmt[0].bytesperline = ALIGN(pixmp->width, 128); 215 else 216 pfmt[0].bytesperline = 0; 217 218 return fmt; 219 } 220 221 static int venc_try_fmt(struct file *file, void *fh, struct v4l2_format *f) 222 { 223 struct venus_inst *inst = to_inst(file); 224 225 venc_try_fmt_common(inst, f); 226 227 return 0; 228 } 229 230 static int venc_s_fmt(struct file *file, void *fh, struct v4l2_format *f) 231 { 232 struct venus_inst *inst = to_inst(file); 233 struct v4l2_pix_format_mplane *pixmp = &f->fmt.pix_mp; 234 struct v4l2_pix_format_mplane orig_pixmp; 235 const struct venus_format *fmt; 236 struct v4l2_format format; 237 u32 pixfmt_out = 0, pixfmt_cap = 0; 238 struct vb2_queue *q; 239 240 q = v4l2_m2m_get_vq(inst->m2m_ctx, f->type); 241 if (!q) 242 return -EINVAL; 243 244 if (vb2_is_busy(q)) 245 return -EBUSY; 246 247 orig_pixmp = *pixmp; 248 249 fmt = venc_try_fmt_common(inst, f); 250 if (!fmt) 251 return -EINVAL; 252 253 if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) { 254 pixfmt_out = pixmp->pixelformat; 255 pixfmt_cap = inst->fmt_cap->pixfmt; 256 } else if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) { 257 pixfmt_cap = pixmp->pixelformat; 258 pixfmt_out = inst->fmt_out->pixfmt; 259 } 260 261 memset(&format, 0, sizeof(format)); 262 263 format.type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE; 264 format.fmt.pix_mp.pixelformat = pixfmt_out; 265 format.fmt.pix_mp.width = orig_pixmp.width; 266 format.fmt.pix_mp.height = orig_pixmp.height; 267 venc_try_fmt_common(inst, &format); 268 269 if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) { 270 inst->out_width = format.fmt.pix_mp.width; 271 inst->out_height = format.fmt.pix_mp.height; 272 inst->colorspace = pixmp->colorspace; 273 inst->ycbcr_enc = pixmp->ycbcr_enc; 274 inst->quantization = pixmp->quantization; 275 inst->xfer_func = pixmp->xfer_func; 276 } 277 278 memset(&format, 0, sizeof(format)); 279 280 format.type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE; 281 format.fmt.pix_mp.pixelformat = pixfmt_cap; 282 format.fmt.pix_mp.width = orig_pixmp.width; 283 format.fmt.pix_mp.height = orig_pixmp.height; 284 venc_try_fmt_common(inst, &format); 285 286 inst->width = format.fmt.pix_mp.width; 287 inst->height = format.fmt.pix_mp.height; 288 289 if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) 290 inst->fmt_out = fmt; 291 else if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) { 292 inst->fmt_cap = fmt; 293 inst->output_buf_size = pixmp->plane_fmt[0].sizeimage; 294 } 295 296 return 0; 297 } 298 299 static int venc_g_fmt(struct file *file, void *fh, struct v4l2_format *f) 300 { 301 struct v4l2_pix_format_mplane *pixmp = &f->fmt.pix_mp; 302 struct venus_inst *inst = to_inst(file); 303 const struct venus_format *fmt; 304 305 if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) 306 fmt = inst->fmt_cap; 307 else if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) 308 fmt = inst->fmt_out; 309 else 310 return -EINVAL; 311 312 pixmp->pixelformat = fmt->pixfmt; 313 314 if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) { 315 pixmp->width = inst->width; 316 pixmp->height = inst->height; 317 pixmp->colorspace = inst->colorspace; 318 pixmp->ycbcr_enc = inst->ycbcr_enc; 319 pixmp->quantization = inst->quantization; 320 pixmp->xfer_func = inst->xfer_func; 321 } else if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) { 322 pixmp->width = inst->out_width; 323 pixmp->height = inst->out_height; 324 } 325 326 venc_try_fmt_common(inst, f); 327 328 return 0; 329 } 330 331 static int 332 venc_g_selection(struct file *file, void *fh, struct v4l2_selection *s) 333 { 334 struct venus_inst *inst = to_inst(file); 335 336 if (s->type != V4L2_BUF_TYPE_VIDEO_OUTPUT) 337 return -EINVAL; 338 339 switch (s->target) { 340 case V4L2_SEL_TGT_CROP_DEFAULT: 341 case V4L2_SEL_TGT_CROP_BOUNDS: 342 s->r.width = inst->out_width; 343 s->r.height = inst->out_height; 344 break; 345 case V4L2_SEL_TGT_CROP: 346 s->r.width = inst->width; 347 s->r.height = inst->height; 348 break; 349 default: 350 return -EINVAL; 351 } 352 353 s->r.top = 0; 354 s->r.left = 0; 355 356 return 0; 357 } 358 359 static int 360 venc_s_selection(struct file *file, void *fh, struct v4l2_selection *s) 361 { 362 struct venus_inst *inst = to_inst(file); 363 364 if (s->type != V4L2_BUF_TYPE_VIDEO_OUTPUT) 365 return -EINVAL; 366 367 if (s->r.width > inst->out_width || 368 s->r.height > inst->out_height) 369 return -EINVAL; 370 371 s->r.width = ALIGN(s->r.width, 2); 372 s->r.height = ALIGN(s->r.height, 2); 373 374 switch (s->target) { 375 case V4L2_SEL_TGT_CROP: 376 s->r.top = 0; 377 s->r.left = 0; 378 inst->width = s->r.width; 379 inst->height = s->r.height; 380 break; 381 default: 382 return -EINVAL; 383 } 384 385 return 0; 386 } 387 388 static int venc_s_parm(struct file *file, void *fh, struct v4l2_streamparm *a) 389 { 390 struct venus_inst *inst = to_inst(file); 391 struct v4l2_outputparm *out = &a->parm.output; 392 struct v4l2_fract *timeperframe = &out->timeperframe; 393 u64 us_per_frame, fps; 394 395 if (a->type != V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE && 396 a->type != V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) 397 return -EINVAL; 398 399 memset(out->reserved, 0, sizeof(out->reserved)); 400 401 if (!timeperframe->denominator) 402 timeperframe->denominator = inst->timeperframe.denominator; 403 if (!timeperframe->numerator) 404 timeperframe->numerator = inst->timeperframe.numerator; 405 406 out->capability = V4L2_CAP_TIMEPERFRAME; 407 408 us_per_frame = timeperframe->numerator * (u64)USEC_PER_SEC; 409 do_div(us_per_frame, timeperframe->denominator); 410 411 if (!us_per_frame) 412 return -EINVAL; 413 414 fps = (u64)USEC_PER_SEC; 415 do_div(fps, us_per_frame); 416 417 inst->timeperframe = *timeperframe; 418 inst->fps = fps; 419 420 return 0; 421 } 422 423 static int venc_g_parm(struct file *file, void *fh, struct v4l2_streamparm *a) 424 { 425 struct venus_inst *inst = to_inst(file); 426 427 if (a->type != V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE && 428 a->type != V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) 429 return -EINVAL; 430 431 a->parm.output.capability |= V4L2_CAP_TIMEPERFRAME; 432 a->parm.output.timeperframe = inst->timeperframe; 433 434 return 0; 435 } 436 437 static int venc_enum_framesizes(struct file *file, void *fh, 438 struct v4l2_frmsizeenum *fsize) 439 { 440 struct venus_inst *inst = to_inst(file); 441 const struct venus_format *fmt; 442 443 fsize->type = V4L2_FRMSIZE_TYPE_STEPWISE; 444 445 fmt = find_format(inst, fsize->pixel_format, 446 V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE); 447 if (!fmt) { 448 fmt = find_format(inst, fsize->pixel_format, 449 V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE); 450 if (!fmt) 451 return -EINVAL; 452 } 453 454 if (fsize->index) 455 return -EINVAL; 456 457 fsize->stepwise.min_width = frame_width_min(inst); 458 fsize->stepwise.max_width = frame_width_max(inst); 459 fsize->stepwise.step_width = frame_width_step(inst); 460 fsize->stepwise.min_height = frame_height_min(inst); 461 fsize->stepwise.max_height = frame_height_max(inst); 462 fsize->stepwise.step_height = frame_height_step(inst); 463 464 return 0; 465 } 466 467 static int venc_enum_frameintervals(struct file *file, void *fh, 468 struct v4l2_frmivalenum *fival) 469 { 470 struct venus_inst *inst = to_inst(file); 471 const struct venus_format *fmt; 472 unsigned int framerate_factor = 1; 473 474 fival->type = V4L2_FRMIVAL_TYPE_STEPWISE; 475 476 fmt = find_format(inst, fival->pixel_format, 477 V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE); 478 if (!fmt) { 479 fmt = find_format(inst, fival->pixel_format, 480 V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE); 481 if (!fmt) 482 return -EINVAL; 483 } 484 485 if (fival->index) 486 return -EINVAL; 487 488 if (!fival->width || !fival->height) 489 return -EINVAL; 490 491 if (fival->width > frame_width_max(inst) || 492 fival->width < frame_width_min(inst) || 493 fival->height > frame_height_max(inst) || 494 fival->height < frame_height_min(inst)) 495 return -EINVAL; 496 497 if (IS_V1(inst->core)) { 498 /* framerate is reported in 1/65535 fps unit */ 499 framerate_factor = (1 << 16); 500 } 501 502 fival->stepwise.min.numerator = 1; 503 fival->stepwise.min.denominator = frate_max(inst) / framerate_factor; 504 fival->stepwise.max.numerator = 1; 505 fival->stepwise.max.denominator = frate_min(inst) / framerate_factor; 506 fival->stepwise.step.numerator = 1; 507 fival->stepwise.step.denominator = frate_max(inst) / framerate_factor; 508 509 return 0; 510 } 511 512 static const struct v4l2_ioctl_ops venc_ioctl_ops = { 513 .vidioc_querycap = venc_querycap, 514 .vidioc_enum_fmt_vid_cap = venc_enum_fmt, 515 .vidioc_enum_fmt_vid_out = venc_enum_fmt, 516 .vidioc_s_fmt_vid_cap_mplane = venc_s_fmt, 517 .vidioc_s_fmt_vid_out_mplane = venc_s_fmt, 518 .vidioc_g_fmt_vid_cap_mplane = venc_g_fmt, 519 .vidioc_g_fmt_vid_out_mplane = venc_g_fmt, 520 .vidioc_try_fmt_vid_cap_mplane = venc_try_fmt, 521 .vidioc_try_fmt_vid_out_mplane = venc_try_fmt, 522 .vidioc_g_selection = venc_g_selection, 523 .vidioc_s_selection = venc_s_selection, 524 .vidioc_reqbufs = v4l2_m2m_ioctl_reqbufs, 525 .vidioc_querybuf = v4l2_m2m_ioctl_querybuf, 526 .vidioc_create_bufs = v4l2_m2m_ioctl_create_bufs, 527 .vidioc_prepare_buf = v4l2_m2m_ioctl_prepare_buf, 528 .vidioc_qbuf = v4l2_m2m_ioctl_qbuf, 529 .vidioc_expbuf = v4l2_m2m_ioctl_expbuf, 530 .vidioc_dqbuf = v4l2_m2m_ioctl_dqbuf, 531 .vidioc_streamon = v4l2_m2m_ioctl_streamon, 532 .vidioc_streamoff = v4l2_m2m_ioctl_streamoff, 533 .vidioc_s_parm = venc_s_parm, 534 .vidioc_g_parm = venc_g_parm, 535 .vidioc_enum_framesizes = venc_enum_framesizes, 536 .vidioc_enum_frameintervals = venc_enum_frameintervals, 537 .vidioc_subscribe_event = v4l2_ctrl_subscribe_event, 538 .vidioc_unsubscribe_event = v4l2_event_unsubscribe, 539 }; 540 541 static int venc_set_properties(struct venus_inst *inst) 542 { 543 struct venc_controls *ctr = &inst->controls.enc; 544 struct hfi_intra_period intra_period; 545 struct hfi_framerate frate; 546 struct hfi_bitrate brate; 547 struct hfi_idr_period idrp; 548 struct hfi_quantization quant; 549 struct hfi_quantization_range quant_range; 550 struct hfi_enable en; 551 struct hfi_ltr_mode ltr_mode; 552 u32 ptype, rate_control, bitrate; 553 u32 profile, level; 554 int ret; 555 556 ret = venus_helper_set_work_mode(inst); 557 if (ret) 558 return ret; 559 560 ptype = HFI_PROPERTY_CONFIG_FRAME_RATE; 561 frate.buffer_type = HFI_BUFFER_OUTPUT; 562 frate.framerate = inst->fps * (1 << 16); 563 564 ret = hfi_session_set_property(inst, ptype, &frate); 565 if (ret) 566 return ret; 567 568 if (inst->fmt_cap->pixfmt == V4L2_PIX_FMT_H264) { 569 struct hfi_h264_vui_timing_info info; 570 struct hfi_h264_entropy_control entropy; 571 struct hfi_h264_db_control deblock; 572 573 ptype = HFI_PROPERTY_PARAM_VENC_H264_VUI_TIMING_INFO; 574 info.enable = 1; 575 info.fixed_framerate = 1; 576 info.time_scale = NSEC_PER_SEC; 577 578 ret = hfi_session_set_property(inst, ptype, &info); 579 if (ret) 580 return ret; 581 582 ptype = HFI_PROPERTY_PARAM_VENC_H264_ENTROPY_CONTROL; 583 entropy.entropy_mode = venc_v4l2_to_hfi( 584 V4L2_CID_MPEG_VIDEO_H264_ENTROPY_MODE, 585 ctr->h264_entropy_mode); 586 entropy.cabac_model = HFI_H264_CABAC_MODEL_0; 587 588 ret = hfi_session_set_property(inst, ptype, &entropy); 589 if (ret) 590 return ret; 591 592 ptype = HFI_PROPERTY_PARAM_VENC_H264_DEBLOCK_CONTROL; 593 deblock.mode = venc_v4l2_to_hfi( 594 V4L2_CID_MPEG_VIDEO_H264_LOOP_FILTER_MODE, 595 ctr->h264_loop_filter_mode); 596 deblock.slice_alpha_offset = ctr->h264_loop_filter_alpha; 597 deblock.slice_beta_offset = ctr->h264_loop_filter_beta; 598 599 ret = hfi_session_set_property(inst, ptype, &deblock); 600 if (ret) 601 return ret; 602 } 603 604 if (inst->fmt_cap->pixfmt == V4L2_PIX_FMT_H264 || 605 inst->fmt_cap->pixfmt == V4L2_PIX_FMT_HEVC) { 606 /* IDR periodicity, n: 607 * n = 0 - only the first I-frame is IDR frame 608 * n = 1 - all I-frames will be IDR frames 609 * n > 1 - every n-th I-frame will be IDR frame 610 */ 611 ptype = HFI_PROPERTY_CONFIG_VENC_IDR_PERIOD; 612 idrp.idr_period = 0; 613 ret = hfi_session_set_property(inst, ptype, &idrp); 614 if (ret) 615 return ret; 616 } 617 618 if (inst->fmt_cap->pixfmt == V4L2_PIX_FMT_HEVC) { 619 struct hfi_hdr10_pq_sei hdr10; 620 unsigned int c; 621 622 ptype = HFI_PROPERTY_PARAM_VENC_HDR10_PQ_SEI; 623 624 for (c = 0; c < 3; c++) { 625 hdr10.mastering.display_primaries_x[c] = 626 ctr->mastering.display_primaries_x[c]; 627 hdr10.mastering.display_primaries_y[c] = 628 ctr->mastering.display_primaries_y[c]; 629 } 630 631 hdr10.mastering.white_point_x = ctr->mastering.white_point_x; 632 hdr10.mastering.white_point_y = ctr->mastering.white_point_y; 633 hdr10.mastering.max_display_mastering_luminance = 634 ctr->mastering.max_display_mastering_luminance; 635 hdr10.mastering.min_display_mastering_luminance = 636 ctr->mastering.min_display_mastering_luminance; 637 638 hdr10.cll.max_content_light = ctr->cll.max_content_light_level; 639 hdr10.cll.max_pic_average_light = 640 ctr->cll.max_pic_average_light_level; 641 642 ret = hfi_session_set_property(inst, ptype, &hdr10); 643 if (ret) 644 return ret; 645 } 646 647 if (ctr->num_b_frames) { 648 u32 max_num_b_frames = NUM_B_FRAMES_MAX; 649 650 ptype = HFI_PROPERTY_PARAM_VENC_MAX_NUM_B_FRAMES; 651 ret = hfi_session_set_property(inst, ptype, &max_num_b_frames); 652 if (ret) 653 return ret; 654 } 655 656 ptype = HFI_PROPERTY_CONFIG_VENC_INTRA_PERIOD; 657 intra_period.pframes = ctr->num_p_frames; 658 intra_period.bframes = ctr->num_b_frames; 659 660 ret = hfi_session_set_property(inst, ptype, &intra_period); 661 if (ret) 662 return ret; 663 664 if (!ctr->rc_enable) 665 rate_control = HFI_RATE_CONTROL_OFF; 666 else if (ctr->bitrate_mode == V4L2_MPEG_VIDEO_BITRATE_MODE_VBR) 667 rate_control = ctr->frame_skip_mode ? HFI_RATE_CONTROL_VBR_VFR : 668 HFI_RATE_CONTROL_VBR_CFR; 669 else if (ctr->bitrate_mode == V4L2_MPEG_VIDEO_BITRATE_MODE_CBR) 670 rate_control = ctr->frame_skip_mode ? HFI_RATE_CONTROL_CBR_VFR : 671 HFI_RATE_CONTROL_CBR_CFR; 672 else if (ctr->bitrate_mode == V4L2_MPEG_VIDEO_BITRATE_MODE_CQ) 673 rate_control = HFI_RATE_CONTROL_CQ; 674 675 ptype = HFI_PROPERTY_PARAM_VENC_RATE_CONTROL; 676 ret = hfi_session_set_property(inst, ptype, &rate_control); 677 if (ret) 678 return ret; 679 680 if (rate_control == HFI_RATE_CONTROL_CQ && ctr->const_quality) { 681 struct hfi_heic_frame_quality quality = {}; 682 683 ptype = HFI_PROPERTY_CONFIG_HEIC_FRAME_QUALITY; 684 quality.frame_quality = ctr->const_quality; 685 ret = hfi_session_set_property(inst, ptype, &quality); 686 if (ret) 687 return ret; 688 } 689 690 if (!ctr->bitrate) 691 bitrate = 64000; 692 else 693 bitrate = ctr->bitrate; 694 695 ptype = HFI_PROPERTY_CONFIG_VENC_TARGET_BITRATE; 696 brate.bitrate = bitrate; 697 brate.layer_id = 0; 698 699 ret = hfi_session_set_property(inst, ptype, &brate); 700 if (ret) 701 return ret; 702 703 if (inst->fmt_cap->pixfmt == V4L2_PIX_FMT_H264 || 704 inst->fmt_cap->pixfmt == V4L2_PIX_FMT_HEVC) { 705 ptype = HFI_PROPERTY_CONFIG_VENC_SYNC_FRAME_SEQUENCE_HEADER; 706 if (ctr->header_mode == V4L2_MPEG_VIDEO_HEADER_MODE_SEPARATE) 707 en.enable = 0; 708 else 709 en.enable = 1; 710 711 ret = hfi_session_set_property(inst, ptype, &en); 712 if (ret) 713 return ret; 714 } 715 716 if (!ctr->bitrate_peak) 717 bitrate *= 2; 718 else 719 bitrate = ctr->bitrate_peak; 720 721 ptype = HFI_PROPERTY_CONFIG_VENC_MAX_BITRATE; 722 brate.bitrate = bitrate; 723 brate.layer_id = 0; 724 725 ret = hfi_session_set_property(inst, ptype, &brate); 726 if (ret) 727 return ret; 728 729 ptype = HFI_PROPERTY_PARAM_VENC_SESSION_QP; 730 if (inst->fmt_cap->pixfmt == V4L2_PIX_FMT_HEVC) { 731 quant.qp_i = ctr->hevc_i_qp; 732 quant.qp_p = ctr->hevc_p_qp; 733 quant.qp_b = ctr->hevc_b_qp; 734 } else { 735 quant.qp_i = ctr->h264_i_qp; 736 quant.qp_p = ctr->h264_p_qp; 737 quant.qp_b = ctr->h264_b_qp; 738 } 739 quant.layer_id = 0; 740 ret = hfi_session_set_property(inst, ptype, &quant); 741 if (ret) 742 return ret; 743 744 ptype = HFI_PROPERTY_PARAM_VENC_SESSION_QP_RANGE; 745 if (inst->fmt_cap->pixfmt == V4L2_PIX_FMT_HEVC) { 746 quant_range.min_qp = ctr->hevc_min_qp; 747 quant_range.max_qp = ctr->hevc_max_qp; 748 } else { 749 quant_range.min_qp = ctr->h264_min_qp; 750 quant_range.max_qp = ctr->h264_max_qp; 751 } 752 quant_range.layer_id = 0; 753 ret = hfi_session_set_property(inst, ptype, &quant_range); 754 if (ret) 755 return ret; 756 757 ptype = HFI_PROPERTY_PARAM_VENC_LTRMODE; 758 ltr_mode.ltr_count = ctr->ltr_count; 759 ltr_mode.ltr_mode = HFI_LTR_MODE_MANUAL; 760 ltr_mode.trust_mode = 1; 761 ret = hfi_session_set_property(inst, ptype, <r_mode); 762 if (ret) 763 return ret; 764 765 switch (inst->hfi_codec) { 766 case HFI_VIDEO_CODEC_H264: 767 profile = ctr->profile.h264; 768 level = ctr->level.h264; 769 break; 770 case HFI_VIDEO_CODEC_MPEG4: 771 profile = ctr->profile.mpeg4; 772 level = ctr->level.mpeg4; 773 break; 774 case HFI_VIDEO_CODEC_VP8: 775 profile = ctr->profile.vp8; 776 level = 0; 777 break; 778 case HFI_VIDEO_CODEC_VP9: 779 profile = ctr->profile.vp9; 780 level = ctr->level.vp9; 781 break; 782 case HFI_VIDEO_CODEC_HEVC: 783 profile = ctr->profile.hevc; 784 level = ctr->level.hevc; 785 break; 786 case HFI_VIDEO_CODEC_MPEG2: 787 default: 788 profile = 0; 789 level = 0; 790 break; 791 } 792 793 ret = venus_helper_set_profile_level(inst, profile, level); 794 if (ret) 795 return ret; 796 797 if (inst->fmt_cap->pixfmt == V4L2_PIX_FMT_H264 || 798 inst->fmt_cap->pixfmt == V4L2_PIX_FMT_HEVC) { 799 struct hfi_enable en = {}; 800 801 ptype = HFI_PROPERTY_PARAM_VENC_H264_GENERATE_AUDNAL; 802 803 if (ctr->aud_enable) 804 en.enable = 1; 805 806 ret = hfi_session_set_property(inst, ptype, &en); 807 if (ret) 808 return ret; 809 } 810 811 return 0; 812 } 813 814 static int venc_init_session(struct venus_inst *inst) 815 { 816 int ret; 817 818 ret = venus_helper_session_init(inst); 819 if (ret == -EALREADY) 820 return 0; 821 else if (ret) 822 return ret; 823 824 ret = venus_helper_set_stride(inst, inst->out_width, 825 inst->out_height); 826 if (ret) 827 goto deinit; 828 829 ret = venus_helper_set_input_resolution(inst, inst->width, 830 inst->height); 831 if (ret) 832 goto deinit; 833 834 ret = venus_helper_set_output_resolution(inst, inst->width, 835 inst->height, 836 HFI_BUFFER_OUTPUT); 837 if (ret) 838 goto deinit; 839 840 ret = venus_helper_set_color_format(inst, inst->fmt_out->pixfmt); 841 if (ret) 842 goto deinit; 843 844 ret = venc_set_properties(inst); 845 if (ret) 846 goto deinit; 847 848 return 0; 849 deinit: 850 hfi_session_deinit(inst); 851 return ret; 852 } 853 854 static int venc_out_num_buffers(struct venus_inst *inst, unsigned int *num) 855 { 856 struct hfi_buffer_requirements bufreq; 857 int ret; 858 859 ret = venus_helper_get_bufreq(inst, HFI_BUFFER_INPUT, &bufreq); 860 if (ret) 861 return ret; 862 863 *num = bufreq.count_actual; 864 865 return 0; 866 } 867 868 static int venc_queue_setup(struct vb2_queue *q, 869 unsigned int *num_buffers, unsigned int *num_planes, 870 unsigned int sizes[], struct device *alloc_devs[]) 871 { 872 struct venus_inst *inst = vb2_get_drv_priv(q); 873 unsigned int num, min = 4; 874 int ret; 875 876 if (*num_planes) { 877 if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE && 878 *num_planes != inst->fmt_out->num_planes) 879 return -EINVAL; 880 881 if (q->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE && 882 *num_planes != inst->fmt_cap->num_planes) 883 return -EINVAL; 884 885 if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE && 886 sizes[0] < inst->input_buf_size) 887 return -EINVAL; 888 889 if (q->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE && 890 sizes[0] < inst->output_buf_size) 891 return -EINVAL; 892 893 return 0; 894 } 895 896 mutex_lock(&inst->lock); 897 ret = venc_init_session(inst); 898 mutex_unlock(&inst->lock); 899 900 if (ret) 901 return ret; 902 903 switch (q->type) { 904 case V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE: 905 *num_planes = inst->fmt_out->num_planes; 906 907 ret = venc_out_num_buffers(inst, &num); 908 if (ret) 909 break; 910 911 num = max(num, min); 912 *num_buffers = max(*num_buffers, num); 913 inst->num_input_bufs = *num_buffers; 914 915 sizes[0] = venus_helper_get_framesz(inst->fmt_out->pixfmt, 916 inst->out_width, 917 inst->out_height); 918 inst->input_buf_size = sizes[0]; 919 break; 920 case V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE: 921 *num_planes = inst->fmt_cap->num_planes; 922 *num_buffers = max(*num_buffers, min); 923 inst->num_output_bufs = *num_buffers; 924 sizes[0] = venus_helper_get_framesz(inst->fmt_cap->pixfmt, 925 inst->width, 926 inst->height); 927 sizes[0] = max(sizes[0], inst->output_buf_size); 928 inst->output_buf_size = sizes[0]; 929 break; 930 default: 931 ret = -EINVAL; 932 break; 933 } 934 935 return ret; 936 } 937 938 static int venc_buf_init(struct vb2_buffer *vb) 939 { 940 struct venus_inst *inst = vb2_get_drv_priv(vb->vb2_queue); 941 942 inst->buf_count++; 943 944 return venus_helper_vb2_buf_init(vb); 945 } 946 947 static void venc_release_session(struct venus_inst *inst) 948 { 949 int ret; 950 951 mutex_lock(&inst->lock); 952 953 ret = hfi_session_deinit(inst); 954 if (ret || inst->session_error) 955 hfi_session_abort(inst); 956 957 mutex_unlock(&inst->lock); 958 959 venus_pm_load_scale(inst); 960 INIT_LIST_HEAD(&inst->registeredbufs); 961 venus_pm_release_core(inst); 962 } 963 964 static void venc_buf_cleanup(struct vb2_buffer *vb) 965 { 966 struct venus_inst *inst = vb2_get_drv_priv(vb->vb2_queue); 967 struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb); 968 struct venus_buffer *buf = to_venus_buffer(vbuf); 969 970 mutex_lock(&inst->lock); 971 if (vb->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) 972 if (!list_empty(&inst->registeredbufs)) 973 list_del_init(&buf->reg_list); 974 mutex_unlock(&inst->lock); 975 976 inst->buf_count--; 977 if (!inst->buf_count) 978 venc_release_session(inst); 979 } 980 981 static int venc_verify_conf(struct venus_inst *inst) 982 { 983 enum hfi_version ver = inst->core->res->hfi_version; 984 struct hfi_buffer_requirements bufreq; 985 int ret; 986 987 if (!inst->num_input_bufs || !inst->num_output_bufs) 988 return -EINVAL; 989 990 ret = venus_helper_get_bufreq(inst, HFI_BUFFER_OUTPUT, &bufreq); 991 if (ret) 992 return ret; 993 994 if (inst->num_output_bufs < bufreq.count_actual || 995 inst->num_output_bufs < HFI_BUFREQ_COUNT_MIN(&bufreq, ver)) 996 return -EINVAL; 997 998 ret = venus_helper_get_bufreq(inst, HFI_BUFFER_INPUT, &bufreq); 999 if (ret) 1000 return ret; 1001 1002 if (inst->num_input_bufs < bufreq.count_actual || 1003 inst->num_input_bufs < HFI_BUFREQ_COUNT_MIN(&bufreq, ver)) 1004 return -EINVAL; 1005 1006 return 0; 1007 } 1008 1009 static int venc_start_streaming(struct vb2_queue *q, unsigned int count) 1010 { 1011 struct venus_inst *inst = vb2_get_drv_priv(q); 1012 int ret; 1013 1014 mutex_lock(&inst->lock); 1015 1016 if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) 1017 inst->streamon_out = 1; 1018 else 1019 inst->streamon_cap = 1; 1020 1021 if (!(inst->streamon_out & inst->streamon_cap)) { 1022 mutex_unlock(&inst->lock); 1023 return 0; 1024 } 1025 1026 venus_helper_init_instance(inst); 1027 1028 inst->sequence_cap = 0; 1029 inst->sequence_out = 0; 1030 1031 ret = venus_pm_acquire_core(inst); 1032 if (ret) 1033 goto error; 1034 1035 ret = venc_set_properties(inst); 1036 if (ret) 1037 goto error; 1038 1039 ret = venc_verify_conf(inst); 1040 if (ret) 1041 goto error; 1042 1043 ret = venus_helper_set_num_bufs(inst, inst->num_input_bufs, 1044 inst->num_output_bufs, 0); 1045 if (ret) 1046 goto error; 1047 1048 ret = venus_helper_vb2_start_streaming(inst); 1049 if (ret) 1050 goto error; 1051 1052 mutex_unlock(&inst->lock); 1053 1054 return 0; 1055 1056 error: 1057 venus_helper_buffers_done(inst, q->type, VB2_BUF_STATE_QUEUED); 1058 if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) 1059 inst->streamon_out = 0; 1060 else 1061 inst->streamon_cap = 0; 1062 mutex_unlock(&inst->lock); 1063 return ret; 1064 } 1065 1066 static void venc_vb2_buf_queue(struct vb2_buffer *vb) 1067 { 1068 struct venus_inst *inst = vb2_get_drv_priv(vb->vb2_queue); 1069 1070 mutex_lock(&inst->lock); 1071 venus_helper_vb2_buf_queue(vb); 1072 mutex_unlock(&inst->lock); 1073 } 1074 1075 static const struct vb2_ops venc_vb2_ops = { 1076 .queue_setup = venc_queue_setup, 1077 .buf_init = venc_buf_init, 1078 .buf_cleanup = venc_buf_cleanup, 1079 .buf_prepare = venus_helper_vb2_buf_prepare, 1080 .start_streaming = venc_start_streaming, 1081 .stop_streaming = venus_helper_vb2_stop_streaming, 1082 .buf_queue = venc_vb2_buf_queue, 1083 }; 1084 1085 static void venc_buf_done(struct venus_inst *inst, unsigned int buf_type, 1086 u32 tag, u32 bytesused, u32 data_offset, u32 flags, 1087 u32 hfi_flags, u64 timestamp_us) 1088 { 1089 struct vb2_v4l2_buffer *vbuf; 1090 struct vb2_buffer *vb; 1091 unsigned int type; 1092 1093 if (buf_type == HFI_BUFFER_INPUT) 1094 type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE; 1095 else 1096 type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE; 1097 1098 vbuf = venus_helper_find_buf(inst, type, tag); 1099 if (!vbuf) 1100 return; 1101 1102 vbuf->flags = flags; 1103 1104 if (type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) { 1105 vb = &vbuf->vb2_buf; 1106 vb2_set_plane_payload(vb, 0, bytesused + data_offset); 1107 vb->planes[0].data_offset = data_offset; 1108 vb->timestamp = timestamp_us * NSEC_PER_USEC; 1109 vbuf->sequence = inst->sequence_cap++; 1110 } else { 1111 vbuf->sequence = inst->sequence_out++; 1112 } 1113 1114 v4l2_m2m_buf_done(vbuf, VB2_BUF_STATE_DONE); 1115 } 1116 1117 static void venc_event_notify(struct venus_inst *inst, u32 event, 1118 struct hfi_event_data *data) 1119 { 1120 struct device *dev = inst->core->dev_enc; 1121 1122 if (event == EVT_SESSION_ERROR) { 1123 inst->session_error = true; 1124 dev_err(dev, "enc: event session error %x\n", inst->error); 1125 } 1126 } 1127 1128 static const struct hfi_inst_ops venc_hfi_ops = { 1129 .buf_done = venc_buf_done, 1130 .event_notify = venc_event_notify, 1131 }; 1132 1133 static const struct v4l2_m2m_ops venc_m2m_ops = { 1134 .device_run = venus_helper_m2m_device_run, 1135 .job_abort = venus_helper_m2m_job_abort, 1136 }; 1137 1138 static int m2m_queue_init(void *priv, struct vb2_queue *src_vq, 1139 struct vb2_queue *dst_vq) 1140 { 1141 struct venus_inst *inst = priv; 1142 int ret; 1143 1144 src_vq->type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE; 1145 src_vq->io_modes = VB2_MMAP | VB2_USERPTR | VB2_DMABUF; 1146 src_vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY; 1147 src_vq->ops = &venc_vb2_ops; 1148 src_vq->mem_ops = &vb2_dma_contig_memops; 1149 src_vq->drv_priv = inst; 1150 src_vq->buf_struct_size = sizeof(struct venus_buffer); 1151 src_vq->allow_zero_bytesused = 1; 1152 src_vq->min_buffers_needed = 1; 1153 src_vq->dev = inst->core->dev; 1154 if (inst->core->res->hfi_version == HFI_VERSION_1XX) 1155 src_vq->bidirectional = 1; 1156 ret = vb2_queue_init(src_vq); 1157 if (ret) 1158 return ret; 1159 1160 dst_vq->type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE; 1161 dst_vq->io_modes = VB2_MMAP | VB2_USERPTR | VB2_DMABUF; 1162 dst_vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY; 1163 dst_vq->ops = &venc_vb2_ops; 1164 dst_vq->mem_ops = &vb2_dma_contig_memops; 1165 dst_vq->drv_priv = inst; 1166 dst_vq->buf_struct_size = sizeof(struct venus_buffer); 1167 dst_vq->allow_zero_bytesused = 1; 1168 dst_vq->min_buffers_needed = 1; 1169 dst_vq->dev = inst->core->dev; 1170 return vb2_queue_init(dst_vq); 1171 } 1172 1173 static void venc_inst_init(struct venus_inst *inst) 1174 { 1175 inst->fmt_cap = &venc_formats[3]; 1176 inst->fmt_out = &venc_formats[0]; 1177 inst->width = 1280; 1178 inst->height = ALIGN(720, 32); 1179 inst->out_width = 1280; 1180 inst->out_height = 720; 1181 inst->fps = 15; 1182 inst->timeperframe.numerator = 1; 1183 inst->timeperframe.denominator = 15; 1184 inst->hfi_codec = HFI_VIDEO_CODEC_H264; 1185 } 1186 1187 static int venc_open(struct file *file) 1188 { 1189 struct venus_core *core = video_drvdata(file); 1190 struct venus_inst *inst; 1191 int ret; 1192 1193 inst = kzalloc(sizeof(*inst), GFP_KERNEL); 1194 if (!inst) 1195 return -ENOMEM; 1196 1197 INIT_LIST_HEAD(&inst->dpbbufs); 1198 INIT_LIST_HEAD(&inst->registeredbufs); 1199 INIT_LIST_HEAD(&inst->internalbufs); 1200 INIT_LIST_HEAD(&inst->list); 1201 mutex_init(&inst->lock); 1202 1203 inst->core = core; 1204 inst->session_type = VIDC_SESSION_TYPE_ENC; 1205 inst->clk_data.core_id = VIDC_CORE_ID_DEFAULT; 1206 inst->core_acquired = false; 1207 1208 venus_helper_init_instance(inst); 1209 1210 ret = pm_runtime_resume_and_get(core->dev_enc); 1211 if (ret < 0) 1212 goto err_free; 1213 1214 ret = venc_ctrl_init(inst); 1215 if (ret) 1216 goto err_put_sync; 1217 1218 ret = hfi_session_create(inst, &venc_hfi_ops); 1219 if (ret) 1220 goto err_ctrl_deinit; 1221 1222 venc_inst_init(inst); 1223 1224 /* 1225 * create m2m device for every instance, the m2m context scheduling 1226 * is made by firmware side so we do not need to care about. 1227 */ 1228 inst->m2m_dev = v4l2_m2m_init(&venc_m2m_ops); 1229 if (IS_ERR(inst->m2m_dev)) { 1230 ret = PTR_ERR(inst->m2m_dev); 1231 goto err_session_destroy; 1232 } 1233 1234 inst->m2m_ctx = v4l2_m2m_ctx_init(inst->m2m_dev, inst, m2m_queue_init); 1235 if (IS_ERR(inst->m2m_ctx)) { 1236 ret = PTR_ERR(inst->m2m_ctx); 1237 goto err_m2m_release; 1238 } 1239 1240 v4l2_fh_init(&inst->fh, core->vdev_enc); 1241 1242 inst->fh.ctrl_handler = &inst->ctrl_handler; 1243 v4l2_fh_add(&inst->fh); 1244 inst->fh.m2m_ctx = inst->m2m_ctx; 1245 file->private_data = &inst->fh; 1246 1247 return 0; 1248 1249 err_m2m_release: 1250 v4l2_m2m_release(inst->m2m_dev); 1251 err_session_destroy: 1252 hfi_session_destroy(inst); 1253 err_ctrl_deinit: 1254 venc_ctrl_deinit(inst); 1255 err_put_sync: 1256 pm_runtime_put_sync(core->dev_enc); 1257 err_free: 1258 kfree(inst); 1259 return ret; 1260 } 1261 1262 static int venc_close(struct file *file) 1263 { 1264 struct venus_inst *inst = to_inst(file); 1265 1266 v4l2_m2m_ctx_release(inst->m2m_ctx); 1267 v4l2_m2m_release(inst->m2m_dev); 1268 venc_ctrl_deinit(inst); 1269 hfi_session_destroy(inst); 1270 mutex_destroy(&inst->lock); 1271 v4l2_fh_del(&inst->fh); 1272 v4l2_fh_exit(&inst->fh); 1273 1274 pm_runtime_put_sync(inst->core->dev_enc); 1275 1276 kfree(inst); 1277 return 0; 1278 } 1279 1280 static const struct v4l2_file_operations venc_fops = { 1281 .owner = THIS_MODULE, 1282 .open = venc_open, 1283 .release = venc_close, 1284 .unlocked_ioctl = video_ioctl2, 1285 .poll = v4l2_m2m_fop_poll, 1286 .mmap = v4l2_m2m_fop_mmap, 1287 }; 1288 1289 static int venc_probe(struct platform_device *pdev) 1290 { 1291 struct device *dev = &pdev->dev; 1292 struct video_device *vdev; 1293 struct venus_core *core; 1294 int ret; 1295 1296 if (!dev->parent) 1297 return -EPROBE_DEFER; 1298 1299 core = dev_get_drvdata(dev->parent); 1300 if (!core) 1301 return -EPROBE_DEFER; 1302 1303 platform_set_drvdata(pdev, core); 1304 1305 if (core->pm_ops->venc_get) { 1306 ret = core->pm_ops->venc_get(dev); 1307 if (ret) 1308 return ret; 1309 } 1310 1311 vdev = video_device_alloc(); 1312 if (!vdev) 1313 return -ENOMEM; 1314 1315 strscpy(vdev->name, "qcom-venus-encoder", sizeof(vdev->name)); 1316 vdev->release = video_device_release; 1317 vdev->fops = &venc_fops; 1318 vdev->ioctl_ops = &venc_ioctl_ops; 1319 vdev->vfl_dir = VFL_DIR_M2M; 1320 vdev->v4l2_dev = &core->v4l2_dev; 1321 vdev->device_caps = V4L2_CAP_VIDEO_M2M_MPLANE | V4L2_CAP_STREAMING; 1322 1323 ret = video_register_device(vdev, VFL_TYPE_VIDEO, -1); 1324 if (ret) 1325 goto err_vdev_release; 1326 1327 core->vdev_enc = vdev; 1328 core->dev_enc = dev; 1329 1330 video_set_drvdata(vdev, core); 1331 pm_runtime_enable(dev); 1332 1333 return 0; 1334 1335 err_vdev_release: 1336 video_device_release(vdev); 1337 return ret; 1338 } 1339 1340 static int venc_remove(struct platform_device *pdev) 1341 { 1342 struct venus_core *core = dev_get_drvdata(pdev->dev.parent); 1343 1344 video_unregister_device(core->vdev_enc); 1345 pm_runtime_disable(core->dev_enc); 1346 1347 if (core->pm_ops->venc_put) 1348 core->pm_ops->venc_put(core->dev_enc); 1349 1350 return 0; 1351 } 1352 1353 static __maybe_unused int venc_runtime_suspend(struct device *dev) 1354 { 1355 struct venus_core *core = dev_get_drvdata(dev); 1356 const struct venus_pm_ops *pm_ops = core->pm_ops; 1357 int ret = 0; 1358 1359 if (pm_ops->venc_power) 1360 ret = pm_ops->venc_power(dev, POWER_OFF); 1361 1362 return ret; 1363 } 1364 1365 static __maybe_unused int venc_runtime_resume(struct device *dev) 1366 { 1367 struct venus_core *core = dev_get_drvdata(dev); 1368 const struct venus_pm_ops *pm_ops = core->pm_ops; 1369 int ret = 0; 1370 1371 if (pm_ops->venc_power) 1372 ret = pm_ops->venc_power(dev, POWER_ON); 1373 1374 return ret; 1375 } 1376 1377 static const struct dev_pm_ops venc_pm_ops = { 1378 SET_SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend, 1379 pm_runtime_force_resume) 1380 SET_RUNTIME_PM_OPS(venc_runtime_suspend, venc_runtime_resume, NULL) 1381 }; 1382 1383 static const struct of_device_id venc_dt_match[] = { 1384 { .compatible = "venus-encoder" }, 1385 { } 1386 }; 1387 MODULE_DEVICE_TABLE(of, venc_dt_match); 1388 1389 static struct platform_driver qcom_venus_enc_driver = { 1390 .probe = venc_probe, 1391 .remove = venc_remove, 1392 .driver = { 1393 .name = "qcom-venus-encoder", 1394 .of_match_table = venc_dt_match, 1395 .pm = &venc_pm_ops, 1396 }, 1397 }; 1398 module_platform_driver(qcom_venus_enc_driver); 1399 1400 MODULE_ALIAS("platform:qcom-venus-encoder"); 1401 MODULE_DESCRIPTION("Qualcomm Venus video encoder driver"); 1402 MODULE_LICENSE("GPL v2"); 1403