1 // SPDX-License-Identifier: GPL-2.0-only 2 /* 3 * Copyright (c) 2012-2016, The Linux Foundation. All rights reserved. 4 * Copyright (C) 2017 Linaro Ltd. 5 */ 6 #include <linux/clk.h> 7 #include <linux/module.h> 8 #include <linux/mod_devicetable.h> 9 #include <linux/platform_device.h> 10 #include <linux/pm_runtime.h> 11 #include <linux/slab.h> 12 #include <media/v4l2-mem2mem.h> 13 #include <media/videobuf2-dma-sg.h> 14 #include <media/v4l2-ioctl.h> 15 #include <media/v4l2-event.h> 16 #include <media/v4l2-ctrls.h> 17 18 #include "hfi_venus_io.h" 19 #include "hfi_parser.h" 20 #include "core.h" 21 #include "helpers.h" 22 #include "venc.h" 23 #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_MPEG4_LEVEL: 117 switch (value) { 118 case V4L2_MPEG_VIDEO_MPEG4_LEVEL_0: 119 default: 120 return HFI_MPEG4_LEVEL_0; 121 case V4L2_MPEG_VIDEO_MPEG4_LEVEL_0B: 122 return HFI_MPEG4_LEVEL_0b; 123 case V4L2_MPEG_VIDEO_MPEG4_LEVEL_1: 124 return HFI_MPEG4_LEVEL_1; 125 case V4L2_MPEG_VIDEO_MPEG4_LEVEL_2: 126 return HFI_MPEG4_LEVEL_2; 127 case V4L2_MPEG_VIDEO_MPEG4_LEVEL_3: 128 return HFI_MPEG4_LEVEL_3; 129 case V4L2_MPEG_VIDEO_MPEG4_LEVEL_4: 130 return HFI_MPEG4_LEVEL_4; 131 case V4L2_MPEG_VIDEO_MPEG4_LEVEL_5: 132 return HFI_MPEG4_LEVEL_5; 133 } 134 case V4L2_CID_MPEG_VIDEO_MPEG4_PROFILE: 135 switch (value) { 136 case V4L2_MPEG_VIDEO_MPEG4_PROFILE_SIMPLE: 137 default: 138 return HFI_MPEG4_PROFILE_SIMPLE; 139 case V4L2_MPEG_VIDEO_MPEG4_PROFILE_ADVANCED_SIMPLE: 140 return HFI_MPEG4_PROFILE_ADVANCEDSIMPLE; 141 } 142 case V4L2_CID_MPEG_VIDEO_H264_PROFILE: 143 switch (value) { 144 case V4L2_MPEG_VIDEO_H264_PROFILE_BASELINE: 145 return HFI_H264_PROFILE_BASELINE; 146 case V4L2_MPEG_VIDEO_H264_PROFILE_CONSTRAINED_BASELINE: 147 return HFI_H264_PROFILE_CONSTRAINED_BASE; 148 case V4L2_MPEG_VIDEO_H264_PROFILE_MAIN: 149 return HFI_H264_PROFILE_MAIN; 150 case V4L2_MPEG_VIDEO_H264_PROFILE_HIGH: 151 default: 152 return HFI_H264_PROFILE_HIGH; 153 } 154 case V4L2_CID_MPEG_VIDEO_H264_LEVEL: 155 switch (value) { 156 case V4L2_MPEG_VIDEO_H264_LEVEL_1_0: 157 return HFI_H264_LEVEL_1; 158 case V4L2_MPEG_VIDEO_H264_LEVEL_1B: 159 return HFI_H264_LEVEL_1b; 160 case V4L2_MPEG_VIDEO_H264_LEVEL_1_1: 161 return HFI_H264_LEVEL_11; 162 case V4L2_MPEG_VIDEO_H264_LEVEL_1_2: 163 return HFI_H264_LEVEL_12; 164 case V4L2_MPEG_VIDEO_H264_LEVEL_1_3: 165 return HFI_H264_LEVEL_13; 166 case V4L2_MPEG_VIDEO_H264_LEVEL_2_0: 167 return HFI_H264_LEVEL_2; 168 case V4L2_MPEG_VIDEO_H264_LEVEL_2_1: 169 return HFI_H264_LEVEL_21; 170 case V4L2_MPEG_VIDEO_H264_LEVEL_2_2: 171 return HFI_H264_LEVEL_22; 172 case V4L2_MPEG_VIDEO_H264_LEVEL_3_0: 173 return HFI_H264_LEVEL_3; 174 case V4L2_MPEG_VIDEO_H264_LEVEL_3_1: 175 return HFI_H264_LEVEL_31; 176 case V4L2_MPEG_VIDEO_H264_LEVEL_3_2: 177 return HFI_H264_LEVEL_32; 178 case V4L2_MPEG_VIDEO_H264_LEVEL_4_0: 179 return HFI_H264_LEVEL_4; 180 case V4L2_MPEG_VIDEO_H264_LEVEL_4_1: 181 return HFI_H264_LEVEL_41; 182 case V4L2_MPEG_VIDEO_H264_LEVEL_4_2: 183 return HFI_H264_LEVEL_42; 184 case V4L2_MPEG_VIDEO_H264_LEVEL_5_0: 185 default: 186 return HFI_H264_LEVEL_5; 187 case V4L2_MPEG_VIDEO_H264_LEVEL_5_1: 188 return HFI_H264_LEVEL_51; 189 } 190 case V4L2_CID_MPEG_VIDEO_H264_ENTROPY_MODE: 191 switch (value) { 192 case V4L2_MPEG_VIDEO_H264_ENTROPY_MODE_CAVLC: 193 default: 194 return HFI_H264_ENTROPY_CAVLC; 195 case V4L2_MPEG_VIDEO_H264_ENTROPY_MODE_CABAC: 196 return HFI_H264_ENTROPY_CABAC; 197 } 198 case V4L2_CID_MPEG_VIDEO_VP8_PROFILE: 199 switch (value) { 200 case 0: 201 default: 202 return HFI_VPX_PROFILE_VERSION_0; 203 case 1: 204 return HFI_VPX_PROFILE_VERSION_1; 205 case 2: 206 return HFI_VPX_PROFILE_VERSION_2; 207 case 3: 208 return HFI_VPX_PROFILE_VERSION_3; 209 } 210 case V4L2_CID_MPEG_VIDEO_H264_LOOP_FILTER_MODE: 211 switch (value) { 212 case V4L2_MPEG_VIDEO_H264_LOOP_FILTER_MODE_ENABLED: 213 default: 214 return HFI_H264_DB_MODE_ALL_BOUNDARY; 215 case V4L2_MPEG_VIDEO_H264_LOOP_FILTER_MODE_DISABLED: 216 return HFI_H264_DB_MODE_DISABLE; 217 case V4L2_MPEG_VIDEO_H264_LOOP_FILTER_MODE_DISABLED_AT_SLICE_BOUNDARY: 218 return HFI_H264_DB_MODE_SKIP_SLICE_BOUNDARY; 219 } 220 case V4L2_CID_MPEG_VIDEO_HEVC_PROFILE: 221 switch (value) { 222 case V4L2_MPEG_VIDEO_HEVC_PROFILE_MAIN: 223 default: 224 return HFI_HEVC_PROFILE_MAIN; 225 case V4L2_MPEG_VIDEO_HEVC_PROFILE_MAIN_STILL_PICTURE: 226 return HFI_HEVC_PROFILE_MAIN_STILL_PIC; 227 case V4L2_MPEG_VIDEO_HEVC_PROFILE_MAIN_10: 228 return HFI_HEVC_PROFILE_MAIN10; 229 } 230 case V4L2_CID_MPEG_VIDEO_HEVC_LEVEL: 231 switch (value) { 232 case V4L2_MPEG_VIDEO_HEVC_LEVEL_1: 233 default: 234 return HFI_HEVC_LEVEL_1; 235 case V4L2_MPEG_VIDEO_HEVC_LEVEL_2: 236 return HFI_HEVC_LEVEL_2; 237 case V4L2_MPEG_VIDEO_HEVC_LEVEL_2_1: 238 return HFI_HEVC_LEVEL_21; 239 case V4L2_MPEG_VIDEO_HEVC_LEVEL_3: 240 return HFI_HEVC_LEVEL_3; 241 case V4L2_MPEG_VIDEO_HEVC_LEVEL_3_1: 242 return HFI_HEVC_LEVEL_31; 243 case V4L2_MPEG_VIDEO_HEVC_LEVEL_4: 244 return HFI_HEVC_LEVEL_4; 245 case V4L2_MPEG_VIDEO_HEVC_LEVEL_4_1: 246 return HFI_HEVC_LEVEL_41; 247 case V4L2_MPEG_VIDEO_HEVC_LEVEL_5: 248 return HFI_HEVC_LEVEL_5; 249 case V4L2_MPEG_VIDEO_HEVC_LEVEL_5_1: 250 return HFI_HEVC_LEVEL_51; 251 case V4L2_MPEG_VIDEO_HEVC_LEVEL_5_2: 252 return HFI_HEVC_LEVEL_52; 253 case V4L2_MPEG_VIDEO_HEVC_LEVEL_6: 254 return HFI_HEVC_LEVEL_6; 255 case V4L2_MPEG_VIDEO_HEVC_LEVEL_6_1: 256 return HFI_HEVC_LEVEL_61; 257 case V4L2_MPEG_VIDEO_HEVC_LEVEL_6_2: 258 return HFI_HEVC_LEVEL_62; 259 } 260 } 261 262 return 0; 263 } 264 265 static int 266 venc_querycap(struct file *file, void *fh, struct v4l2_capability *cap) 267 { 268 strscpy(cap->driver, "qcom-venus", sizeof(cap->driver)); 269 strscpy(cap->card, "Qualcomm Venus video encoder", sizeof(cap->card)); 270 strscpy(cap->bus_info, "platform:qcom-venus", sizeof(cap->bus_info)); 271 272 return 0; 273 } 274 275 static int venc_enum_fmt(struct file *file, void *fh, struct v4l2_fmtdesc *f) 276 { 277 struct venus_inst *inst = to_inst(file); 278 const struct venus_format *fmt; 279 280 fmt = find_format_by_index(inst, f->index, f->type); 281 282 memset(f->reserved, 0, sizeof(f->reserved)); 283 284 if (!fmt) 285 return -EINVAL; 286 287 f->pixelformat = fmt->pixfmt; 288 289 return 0; 290 } 291 292 static const struct venus_format * 293 venc_try_fmt_common(struct venus_inst *inst, struct v4l2_format *f) 294 { 295 struct v4l2_pix_format_mplane *pixmp = &f->fmt.pix_mp; 296 struct v4l2_plane_pix_format *pfmt = pixmp->plane_fmt; 297 const struct venus_format *fmt; 298 u32 sizeimage; 299 300 memset(pfmt[0].reserved, 0, sizeof(pfmt[0].reserved)); 301 memset(pixmp->reserved, 0, sizeof(pixmp->reserved)); 302 303 fmt = find_format(inst, pixmp->pixelformat, f->type); 304 if (!fmt) { 305 if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) 306 pixmp->pixelformat = V4L2_PIX_FMT_H264; 307 else if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) 308 pixmp->pixelformat = V4L2_PIX_FMT_NV12; 309 else 310 return NULL; 311 fmt = find_format(inst, pixmp->pixelformat, f->type); 312 } 313 314 pixmp->width = clamp(pixmp->width, frame_width_min(inst), 315 frame_width_max(inst)); 316 pixmp->height = clamp(pixmp->height, frame_height_min(inst), 317 frame_height_max(inst)); 318 319 if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) 320 pixmp->height = ALIGN(pixmp->height, 32); 321 322 pixmp->width = ALIGN(pixmp->width, 2); 323 pixmp->height = ALIGN(pixmp->height, 2); 324 325 if (pixmp->field == V4L2_FIELD_ANY) 326 pixmp->field = V4L2_FIELD_NONE; 327 pixmp->num_planes = fmt->num_planes; 328 pixmp->flags = 0; 329 330 sizeimage = venus_helper_get_framesz(pixmp->pixelformat, 331 pixmp->width, 332 pixmp->height); 333 pfmt[0].sizeimage = max(ALIGN(pfmt[0].sizeimage, SZ_4K), sizeimage); 334 335 if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) 336 pfmt[0].bytesperline = ALIGN(pixmp->width, 128); 337 else 338 pfmt[0].bytesperline = 0; 339 340 return fmt; 341 } 342 343 static int venc_try_fmt(struct file *file, void *fh, struct v4l2_format *f) 344 { 345 struct venus_inst *inst = to_inst(file); 346 347 venc_try_fmt_common(inst, f); 348 349 return 0; 350 } 351 352 static int venc_s_fmt(struct file *file, void *fh, struct v4l2_format *f) 353 { 354 struct venus_inst *inst = to_inst(file); 355 struct v4l2_pix_format_mplane *pixmp = &f->fmt.pix_mp; 356 struct v4l2_pix_format_mplane orig_pixmp; 357 const struct venus_format *fmt; 358 struct v4l2_format format; 359 u32 pixfmt_out = 0, pixfmt_cap = 0; 360 struct vb2_queue *q; 361 362 q = v4l2_m2m_get_vq(inst->m2m_ctx, f->type); 363 if (!q) 364 return -EINVAL; 365 366 if (vb2_is_busy(q)) 367 return -EBUSY; 368 369 orig_pixmp = *pixmp; 370 371 fmt = venc_try_fmt_common(inst, f); 372 if (!fmt) 373 return -EINVAL; 374 375 if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) { 376 pixfmt_out = pixmp->pixelformat; 377 pixfmt_cap = inst->fmt_cap->pixfmt; 378 } else if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) { 379 pixfmt_cap = pixmp->pixelformat; 380 pixfmt_out = inst->fmt_out->pixfmt; 381 } 382 383 memset(&format, 0, sizeof(format)); 384 385 format.type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE; 386 format.fmt.pix_mp.pixelformat = pixfmt_out; 387 format.fmt.pix_mp.width = orig_pixmp.width; 388 format.fmt.pix_mp.height = orig_pixmp.height; 389 venc_try_fmt_common(inst, &format); 390 391 if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) { 392 inst->out_width = format.fmt.pix_mp.width; 393 inst->out_height = format.fmt.pix_mp.height; 394 inst->colorspace = pixmp->colorspace; 395 inst->ycbcr_enc = pixmp->ycbcr_enc; 396 inst->quantization = pixmp->quantization; 397 inst->xfer_func = pixmp->xfer_func; 398 } 399 400 memset(&format, 0, sizeof(format)); 401 402 format.type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE; 403 format.fmt.pix_mp.pixelformat = pixfmt_cap; 404 format.fmt.pix_mp.width = orig_pixmp.width; 405 format.fmt.pix_mp.height = orig_pixmp.height; 406 venc_try_fmt_common(inst, &format); 407 408 inst->width = format.fmt.pix_mp.width; 409 inst->height = format.fmt.pix_mp.height; 410 411 if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) 412 inst->fmt_out = fmt; 413 else if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) { 414 inst->fmt_cap = fmt; 415 inst->output_buf_size = pixmp->plane_fmt[0].sizeimage; 416 } 417 418 return 0; 419 } 420 421 static int venc_g_fmt(struct file *file, void *fh, struct v4l2_format *f) 422 { 423 struct v4l2_pix_format_mplane *pixmp = &f->fmt.pix_mp; 424 struct venus_inst *inst = to_inst(file); 425 const struct venus_format *fmt; 426 427 if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) 428 fmt = inst->fmt_cap; 429 else if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) 430 fmt = inst->fmt_out; 431 else 432 return -EINVAL; 433 434 pixmp->pixelformat = fmt->pixfmt; 435 436 if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) { 437 pixmp->width = inst->width; 438 pixmp->height = inst->height; 439 pixmp->colorspace = inst->colorspace; 440 pixmp->ycbcr_enc = inst->ycbcr_enc; 441 pixmp->quantization = inst->quantization; 442 pixmp->xfer_func = inst->xfer_func; 443 } else if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) { 444 pixmp->width = inst->out_width; 445 pixmp->height = inst->out_height; 446 } 447 448 venc_try_fmt_common(inst, f); 449 450 return 0; 451 } 452 453 static int 454 venc_g_selection(struct file *file, void *fh, struct v4l2_selection *s) 455 { 456 struct venus_inst *inst = to_inst(file); 457 458 if (s->type != V4L2_BUF_TYPE_VIDEO_OUTPUT) 459 return -EINVAL; 460 461 switch (s->target) { 462 case V4L2_SEL_TGT_CROP_DEFAULT: 463 case V4L2_SEL_TGT_CROP_BOUNDS: 464 s->r.width = inst->width; 465 s->r.height = inst->height; 466 break; 467 case V4L2_SEL_TGT_CROP: 468 s->r.width = inst->out_width; 469 s->r.height = inst->out_height; 470 break; 471 default: 472 return -EINVAL; 473 } 474 475 s->r.top = 0; 476 s->r.left = 0; 477 478 return 0; 479 } 480 481 static int 482 venc_s_selection(struct file *file, void *fh, struct v4l2_selection *s) 483 { 484 struct venus_inst *inst = to_inst(file); 485 486 if (s->type != V4L2_BUF_TYPE_VIDEO_OUTPUT) 487 return -EINVAL; 488 489 switch (s->target) { 490 case V4L2_SEL_TGT_CROP: 491 if (s->r.width != inst->out_width || 492 s->r.height != inst->out_height || 493 s->r.top != 0 || s->r.left != 0) 494 return -EINVAL; 495 break; 496 default: 497 return -EINVAL; 498 } 499 500 return 0; 501 } 502 503 static int venc_s_parm(struct file *file, void *fh, struct v4l2_streamparm *a) 504 { 505 struct venus_inst *inst = to_inst(file); 506 struct v4l2_outputparm *out = &a->parm.output; 507 struct v4l2_fract *timeperframe = &out->timeperframe; 508 u64 us_per_frame, fps; 509 510 if (a->type != V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE && 511 a->type != V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) 512 return -EINVAL; 513 514 memset(out->reserved, 0, sizeof(out->reserved)); 515 516 if (!timeperframe->denominator) 517 timeperframe->denominator = inst->timeperframe.denominator; 518 if (!timeperframe->numerator) 519 timeperframe->numerator = inst->timeperframe.numerator; 520 521 out->capability = V4L2_CAP_TIMEPERFRAME; 522 523 us_per_frame = timeperframe->numerator * (u64)USEC_PER_SEC; 524 do_div(us_per_frame, timeperframe->denominator); 525 526 if (!us_per_frame) 527 return -EINVAL; 528 529 fps = (u64)USEC_PER_SEC; 530 do_div(fps, us_per_frame); 531 532 inst->timeperframe = *timeperframe; 533 inst->fps = fps; 534 535 return 0; 536 } 537 538 static int venc_g_parm(struct file *file, void *fh, struct v4l2_streamparm *a) 539 { 540 struct venus_inst *inst = to_inst(file); 541 542 if (a->type != V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE && 543 a->type != V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) 544 return -EINVAL; 545 546 a->parm.output.capability |= V4L2_CAP_TIMEPERFRAME; 547 a->parm.output.timeperframe = inst->timeperframe; 548 549 return 0; 550 } 551 552 static int venc_enum_framesizes(struct file *file, void *fh, 553 struct v4l2_frmsizeenum *fsize) 554 { 555 struct venus_inst *inst = to_inst(file); 556 const struct venus_format *fmt; 557 558 fsize->type = V4L2_FRMSIZE_TYPE_STEPWISE; 559 560 fmt = find_format(inst, fsize->pixel_format, 561 V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE); 562 if (!fmt) { 563 fmt = find_format(inst, fsize->pixel_format, 564 V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE); 565 if (!fmt) 566 return -EINVAL; 567 } 568 569 if (fsize->index) 570 return -EINVAL; 571 572 fsize->stepwise.min_width = frame_width_min(inst); 573 fsize->stepwise.max_width = frame_width_max(inst); 574 fsize->stepwise.step_width = frame_width_step(inst); 575 fsize->stepwise.min_height = frame_height_min(inst); 576 fsize->stepwise.max_height = frame_height_max(inst); 577 fsize->stepwise.step_height = frame_height_step(inst); 578 579 return 0; 580 } 581 582 static int venc_enum_frameintervals(struct file *file, void *fh, 583 struct v4l2_frmivalenum *fival) 584 { 585 struct venus_inst *inst = to_inst(file); 586 const struct venus_format *fmt; 587 unsigned int framerate_factor = 1; 588 589 fival->type = V4L2_FRMIVAL_TYPE_STEPWISE; 590 591 fmt = find_format(inst, fival->pixel_format, 592 V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE); 593 if (!fmt) { 594 fmt = find_format(inst, fival->pixel_format, 595 V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE); 596 if (!fmt) 597 return -EINVAL; 598 } 599 600 if (fival->index) 601 return -EINVAL; 602 603 if (!fival->width || !fival->height) 604 return -EINVAL; 605 606 if (fival->width > frame_width_max(inst) || 607 fival->width < frame_width_min(inst) || 608 fival->height > frame_height_max(inst) || 609 fival->height < frame_height_min(inst)) 610 return -EINVAL; 611 612 if (IS_V1(inst->core)) { 613 /* framerate is reported in 1/65535 fps unit */ 614 framerate_factor = (1 << 16); 615 } 616 617 fival->stepwise.min.numerator = 1; 618 fival->stepwise.min.denominator = frate_max(inst) / framerate_factor; 619 fival->stepwise.max.numerator = 1; 620 fival->stepwise.max.denominator = frate_min(inst) / framerate_factor; 621 fival->stepwise.step.numerator = 1; 622 fival->stepwise.step.denominator = frate_max(inst) / framerate_factor; 623 624 return 0; 625 } 626 627 static const struct v4l2_ioctl_ops venc_ioctl_ops = { 628 .vidioc_querycap = venc_querycap, 629 .vidioc_enum_fmt_vid_cap = venc_enum_fmt, 630 .vidioc_enum_fmt_vid_out = venc_enum_fmt, 631 .vidioc_s_fmt_vid_cap_mplane = venc_s_fmt, 632 .vidioc_s_fmt_vid_out_mplane = venc_s_fmt, 633 .vidioc_g_fmt_vid_cap_mplane = venc_g_fmt, 634 .vidioc_g_fmt_vid_out_mplane = venc_g_fmt, 635 .vidioc_try_fmt_vid_cap_mplane = venc_try_fmt, 636 .vidioc_try_fmt_vid_out_mplane = venc_try_fmt, 637 .vidioc_g_selection = venc_g_selection, 638 .vidioc_s_selection = venc_s_selection, 639 .vidioc_reqbufs = v4l2_m2m_ioctl_reqbufs, 640 .vidioc_querybuf = v4l2_m2m_ioctl_querybuf, 641 .vidioc_create_bufs = v4l2_m2m_ioctl_create_bufs, 642 .vidioc_prepare_buf = v4l2_m2m_ioctl_prepare_buf, 643 .vidioc_qbuf = v4l2_m2m_ioctl_qbuf, 644 .vidioc_expbuf = v4l2_m2m_ioctl_expbuf, 645 .vidioc_dqbuf = v4l2_m2m_ioctl_dqbuf, 646 .vidioc_streamon = v4l2_m2m_ioctl_streamon, 647 .vidioc_streamoff = v4l2_m2m_ioctl_streamoff, 648 .vidioc_s_parm = venc_s_parm, 649 .vidioc_g_parm = venc_g_parm, 650 .vidioc_enum_framesizes = venc_enum_framesizes, 651 .vidioc_enum_frameintervals = venc_enum_frameintervals, 652 .vidioc_subscribe_event = v4l2_ctrl_subscribe_event, 653 .vidioc_unsubscribe_event = v4l2_event_unsubscribe, 654 }; 655 656 static int venc_set_properties(struct venus_inst *inst) 657 { 658 struct venc_controls *ctr = &inst->controls.enc; 659 struct hfi_intra_period intra_period; 660 struct hfi_profile_level pl; 661 struct hfi_framerate frate; 662 struct hfi_bitrate brate; 663 struct hfi_idr_period idrp; 664 struct hfi_quantization quant; 665 struct hfi_quantization_range quant_range; 666 u32 ptype, rate_control, bitrate, profile = 0, level = 0; 667 int ret; 668 669 ret = venus_helper_set_work_mode(inst, VIDC_WORK_MODE_2); 670 if (ret) 671 return ret; 672 673 ptype = HFI_PROPERTY_CONFIG_FRAME_RATE; 674 frate.buffer_type = HFI_BUFFER_OUTPUT; 675 frate.framerate = inst->fps * (1 << 16); 676 677 ret = hfi_session_set_property(inst, ptype, &frate); 678 if (ret) 679 return ret; 680 681 if (inst->fmt_cap->pixfmt == V4L2_PIX_FMT_H264) { 682 struct hfi_h264_vui_timing_info info; 683 struct hfi_h264_entropy_control entropy; 684 struct hfi_h264_db_control deblock; 685 686 ptype = HFI_PROPERTY_PARAM_VENC_H264_VUI_TIMING_INFO; 687 info.enable = 1; 688 info.fixed_framerate = 1; 689 info.time_scale = NSEC_PER_SEC; 690 691 ret = hfi_session_set_property(inst, ptype, &info); 692 if (ret) 693 return ret; 694 695 ptype = HFI_PROPERTY_PARAM_VENC_H264_ENTROPY_CONTROL; 696 entropy.entropy_mode = venc_v4l2_to_hfi( 697 V4L2_CID_MPEG_VIDEO_H264_ENTROPY_MODE, 698 ctr->h264_entropy_mode); 699 entropy.cabac_model = HFI_H264_CABAC_MODEL_0; 700 701 ret = hfi_session_set_property(inst, ptype, &entropy); 702 if (ret) 703 return ret; 704 705 ptype = HFI_PROPERTY_PARAM_VENC_H264_DEBLOCK_CONTROL; 706 deblock.mode = venc_v4l2_to_hfi( 707 V4L2_CID_MPEG_VIDEO_H264_LOOP_FILTER_MODE, 708 ctr->h264_loop_filter_mode); 709 deblock.slice_alpha_offset = ctr->h264_loop_filter_alpha; 710 deblock.slice_beta_offset = ctr->h264_loop_filter_beta; 711 712 ret = hfi_session_set_property(inst, ptype, &deblock); 713 if (ret) 714 return ret; 715 } 716 717 /* IDR periodicity, n: 718 * n = 0 - only the first I-frame is IDR frame 719 * n = 1 - all I-frames will be IDR frames 720 * n > 1 - every n-th I-frame will be IDR frame 721 */ 722 ptype = HFI_PROPERTY_CONFIG_VENC_IDR_PERIOD; 723 idrp.idr_period = 0; 724 ret = hfi_session_set_property(inst, ptype, &idrp); 725 if (ret) 726 return ret; 727 728 if (ctr->num_b_frames) { 729 u32 max_num_b_frames = NUM_B_FRAMES_MAX; 730 731 ptype = HFI_PROPERTY_PARAM_VENC_MAX_NUM_B_FRAMES; 732 ret = hfi_session_set_property(inst, ptype, &max_num_b_frames); 733 if (ret) 734 return ret; 735 } 736 737 ptype = HFI_PROPERTY_CONFIG_VENC_INTRA_PERIOD; 738 intra_period.pframes = ctr->num_p_frames; 739 intra_period.bframes = ctr->num_b_frames; 740 741 ret = hfi_session_set_property(inst, ptype, &intra_period); 742 if (ret) 743 return ret; 744 745 if (!ctr->rc_enable) 746 rate_control = HFI_RATE_CONTROL_OFF; 747 else if (ctr->bitrate_mode == V4L2_MPEG_VIDEO_BITRATE_MODE_VBR) 748 rate_control = ctr->frame_skip_mode ? HFI_RATE_CONTROL_VBR_VFR : 749 HFI_RATE_CONTROL_VBR_CFR; 750 else if (ctr->bitrate_mode == V4L2_MPEG_VIDEO_BITRATE_MODE_CBR) 751 rate_control = ctr->frame_skip_mode ? HFI_RATE_CONTROL_CBR_VFR : 752 HFI_RATE_CONTROL_CBR_CFR; 753 else if (ctr->bitrate_mode == V4L2_MPEG_VIDEO_BITRATE_MODE_CQ) 754 rate_control = HFI_RATE_CONTROL_CQ; 755 756 ptype = HFI_PROPERTY_PARAM_VENC_RATE_CONTROL; 757 ret = hfi_session_set_property(inst, ptype, &rate_control); 758 if (ret) 759 return ret; 760 761 if (rate_control == HFI_RATE_CONTROL_CQ && ctr->const_quality) { 762 struct hfi_heic_frame_quality quality = {}; 763 764 ptype = HFI_PROPERTY_CONFIG_HEIC_FRAME_QUALITY; 765 quality.frame_quality = ctr->const_quality; 766 ret = hfi_session_set_property(inst, ptype, &quality); 767 if (ret) 768 return ret; 769 } 770 771 if (!ctr->bitrate) 772 bitrate = 64000; 773 else 774 bitrate = ctr->bitrate; 775 776 ptype = HFI_PROPERTY_CONFIG_VENC_TARGET_BITRATE; 777 brate.bitrate = bitrate; 778 brate.layer_id = 0; 779 780 ret = hfi_session_set_property(inst, ptype, &brate); 781 if (ret) 782 return ret; 783 784 if (!ctr->bitrate_peak) 785 bitrate *= 2; 786 else 787 bitrate = ctr->bitrate_peak; 788 789 ptype = HFI_PROPERTY_CONFIG_VENC_MAX_BITRATE; 790 brate.bitrate = bitrate; 791 brate.layer_id = 0; 792 793 ret = hfi_session_set_property(inst, ptype, &brate); 794 if (ret) 795 return ret; 796 797 ptype = HFI_PROPERTY_PARAM_VENC_SESSION_QP; 798 quant.qp_i = ctr->h264_i_qp; 799 quant.qp_p = ctr->h264_p_qp; 800 quant.qp_b = ctr->h264_b_qp; 801 quant.layer_id = 0; 802 ret = hfi_session_set_property(inst, ptype, &quant); 803 if (ret) 804 return ret; 805 806 ptype = HFI_PROPERTY_PARAM_VENC_SESSION_QP_RANGE; 807 quant_range.min_qp = ctr->h264_min_qp; 808 quant_range.max_qp = ctr->h264_max_qp; 809 quant_range.layer_id = 0; 810 ret = hfi_session_set_property(inst, ptype, &quant_range); 811 if (ret) 812 return ret; 813 814 if (inst->fmt_cap->pixfmt == V4L2_PIX_FMT_H264) { 815 profile = venc_v4l2_to_hfi(V4L2_CID_MPEG_VIDEO_H264_PROFILE, 816 ctr->profile.h264); 817 level = venc_v4l2_to_hfi(V4L2_CID_MPEG_VIDEO_H264_LEVEL, 818 ctr->level.h264); 819 } else if (inst->fmt_cap->pixfmt == V4L2_PIX_FMT_VP8) { 820 profile = venc_v4l2_to_hfi(V4L2_CID_MPEG_VIDEO_VP8_PROFILE, 821 ctr->profile.vpx); 822 level = 0; 823 } else if (inst->fmt_cap->pixfmt == V4L2_PIX_FMT_MPEG4) { 824 profile = venc_v4l2_to_hfi(V4L2_CID_MPEG_VIDEO_MPEG4_PROFILE, 825 ctr->profile.mpeg4); 826 level = venc_v4l2_to_hfi(V4L2_CID_MPEG_VIDEO_MPEG4_LEVEL, 827 ctr->level.mpeg4); 828 } else if (inst->fmt_cap->pixfmt == V4L2_PIX_FMT_H263) { 829 profile = 0; 830 level = 0; 831 } else if (inst->fmt_cap->pixfmt == V4L2_PIX_FMT_HEVC) { 832 profile = venc_v4l2_to_hfi(V4L2_CID_MPEG_VIDEO_HEVC_PROFILE, 833 ctr->profile.hevc); 834 level = venc_v4l2_to_hfi(V4L2_CID_MPEG_VIDEO_HEVC_LEVEL, 835 ctr->level.hevc); 836 } 837 838 ptype = HFI_PROPERTY_PARAM_PROFILE_LEVEL_CURRENT; 839 pl.profile = profile; 840 pl.level = level; 841 842 ret = hfi_session_set_property(inst, ptype, &pl); 843 if (ret) 844 return ret; 845 846 return 0; 847 } 848 849 static int venc_init_session(struct venus_inst *inst) 850 { 851 int ret; 852 853 ret = hfi_session_init(inst, inst->fmt_cap->pixfmt); 854 if (ret) 855 return ret; 856 857 ret = venus_helper_set_input_resolution(inst, inst->width, 858 inst->height); 859 if (ret) 860 goto deinit; 861 862 ret = venus_helper_set_output_resolution(inst, inst->width, 863 inst->height, 864 HFI_BUFFER_OUTPUT); 865 if (ret) 866 goto deinit; 867 868 ret = venus_helper_set_color_format(inst, inst->fmt_out->pixfmt); 869 if (ret) 870 goto deinit; 871 872 ret = venus_helper_init_codec_freq_data(inst); 873 if (ret) 874 goto deinit; 875 876 ret = venc_set_properties(inst); 877 if (ret) 878 goto deinit; 879 880 return 0; 881 deinit: 882 hfi_session_deinit(inst); 883 return ret; 884 } 885 886 static int venc_out_num_buffers(struct venus_inst *inst, unsigned int *num) 887 { 888 struct hfi_buffer_requirements bufreq; 889 int ret; 890 891 ret = venc_init_session(inst); 892 if (ret) 893 return ret; 894 895 ret = venus_helper_get_bufreq(inst, HFI_BUFFER_INPUT, &bufreq); 896 897 *num = bufreq.count_actual; 898 899 hfi_session_deinit(inst); 900 901 return ret; 902 } 903 904 static int venc_queue_setup(struct vb2_queue *q, 905 unsigned int *num_buffers, unsigned int *num_planes, 906 unsigned int sizes[], struct device *alloc_devs[]) 907 { 908 struct venus_inst *inst = vb2_get_drv_priv(q); 909 unsigned int num, min = 4; 910 int ret = 0; 911 912 if (*num_planes) { 913 if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE && 914 *num_planes != inst->fmt_out->num_planes) 915 return -EINVAL; 916 917 if (q->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE && 918 *num_planes != inst->fmt_cap->num_planes) 919 return -EINVAL; 920 921 if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE && 922 sizes[0] < inst->input_buf_size) 923 return -EINVAL; 924 925 if (q->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE && 926 sizes[0] < inst->output_buf_size) 927 return -EINVAL; 928 929 return 0; 930 } 931 932 switch (q->type) { 933 case V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE: 934 *num_planes = inst->fmt_out->num_planes; 935 936 ret = venc_out_num_buffers(inst, &num); 937 if (ret) 938 break; 939 940 num = max(num, min); 941 *num_buffers = max(*num_buffers, num); 942 inst->num_input_bufs = *num_buffers; 943 944 sizes[0] = venus_helper_get_framesz(inst->fmt_out->pixfmt, 945 inst->width, 946 inst->height); 947 inst->input_buf_size = sizes[0]; 948 break; 949 case V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE: 950 *num_planes = inst->fmt_cap->num_planes; 951 *num_buffers = max(*num_buffers, min); 952 inst->num_output_bufs = *num_buffers; 953 sizes[0] = venus_helper_get_framesz(inst->fmt_cap->pixfmt, 954 inst->width, 955 inst->height); 956 sizes[0] = max(sizes[0], inst->output_buf_size); 957 inst->output_buf_size = sizes[0]; 958 break; 959 default: 960 ret = -EINVAL; 961 break; 962 } 963 964 return ret; 965 } 966 967 static int venc_verify_conf(struct venus_inst *inst) 968 { 969 enum hfi_version ver = inst->core->res->hfi_version; 970 struct hfi_buffer_requirements bufreq; 971 int ret; 972 973 if (!inst->num_input_bufs || !inst->num_output_bufs) 974 return -EINVAL; 975 976 ret = venus_helper_get_bufreq(inst, HFI_BUFFER_OUTPUT, &bufreq); 977 if (ret) 978 return ret; 979 980 if (inst->num_output_bufs < bufreq.count_actual || 981 inst->num_output_bufs < HFI_BUFREQ_COUNT_MIN(&bufreq, ver)) 982 return -EINVAL; 983 984 ret = venus_helper_get_bufreq(inst, HFI_BUFFER_INPUT, &bufreq); 985 if (ret) 986 return ret; 987 988 if (inst->num_input_bufs < bufreq.count_actual || 989 inst->num_input_bufs < HFI_BUFREQ_COUNT_MIN(&bufreq, ver)) 990 return -EINVAL; 991 992 return 0; 993 } 994 995 static int venc_start_streaming(struct vb2_queue *q, unsigned int count) 996 { 997 struct venus_inst *inst = vb2_get_drv_priv(q); 998 int ret; 999 1000 mutex_lock(&inst->lock); 1001 1002 if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) 1003 inst->streamon_out = 1; 1004 else 1005 inst->streamon_cap = 1; 1006 1007 if (!(inst->streamon_out & inst->streamon_cap)) { 1008 mutex_unlock(&inst->lock); 1009 return 0; 1010 } 1011 1012 venus_helper_init_instance(inst); 1013 1014 inst->sequence_cap = 0; 1015 inst->sequence_out = 0; 1016 1017 ret = venc_init_session(inst); 1018 if (ret) 1019 goto bufs_done; 1020 1021 ret = venus_pm_acquire_core(inst); 1022 if (ret) 1023 goto deinit_sess; 1024 1025 ret = venc_set_properties(inst); 1026 if (ret) 1027 goto deinit_sess; 1028 1029 ret = venc_verify_conf(inst); 1030 if (ret) 1031 goto deinit_sess; 1032 1033 ret = venus_helper_set_num_bufs(inst, inst->num_input_bufs, 1034 inst->num_output_bufs, 0); 1035 if (ret) 1036 goto deinit_sess; 1037 1038 ret = venus_helper_vb2_start_streaming(inst); 1039 if (ret) 1040 goto deinit_sess; 1041 1042 mutex_unlock(&inst->lock); 1043 1044 return 0; 1045 1046 deinit_sess: 1047 hfi_session_deinit(inst); 1048 bufs_done: 1049 venus_helper_buffers_done(inst, q->type, VB2_BUF_STATE_QUEUED); 1050 if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) 1051 inst->streamon_out = 0; 1052 else 1053 inst->streamon_cap = 0; 1054 mutex_unlock(&inst->lock); 1055 return ret; 1056 } 1057 1058 static const struct vb2_ops venc_vb2_ops = { 1059 .queue_setup = venc_queue_setup, 1060 .buf_init = venus_helper_vb2_buf_init, 1061 .buf_prepare = venus_helper_vb2_buf_prepare, 1062 .start_streaming = venc_start_streaming, 1063 .stop_streaming = venus_helper_vb2_stop_streaming, 1064 .buf_queue = venus_helper_vb2_buf_queue, 1065 }; 1066 1067 static void venc_buf_done(struct venus_inst *inst, unsigned int buf_type, 1068 u32 tag, u32 bytesused, u32 data_offset, u32 flags, 1069 u32 hfi_flags, u64 timestamp_us) 1070 { 1071 struct vb2_v4l2_buffer *vbuf; 1072 struct vb2_buffer *vb; 1073 unsigned int type; 1074 1075 if (buf_type == HFI_BUFFER_INPUT) 1076 type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE; 1077 else 1078 type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE; 1079 1080 vbuf = venus_helper_find_buf(inst, type, tag); 1081 if (!vbuf) 1082 return; 1083 1084 vbuf->flags = flags; 1085 1086 if (type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) { 1087 vb = &vbuf->vb2_buf; 1088 vb2_set_plane_payload(vb, 0, bytesused + data_offset); 1089 vb->planes[0].data_offset = data_offset; 1090 vb->timestamp = timestamp_us * NSEC_PER_USEC; 1091 vbuf->sequence = inst->sequence_cap++; 1092 } else { 1093 vbuf->sequence = inst->sequence_out++; 1094 } 1095 1096 v4l2_m2m_buf_done(vbuf, VB2_BUF_STATE_DONE); 1097 } 1098 1099 static void venc_event_notify(struct venus_inst *inst, u32 event, 1100 struct hfi_event_data *data) 1101 { 1102 struct device *dev = inst->core->dev_enc; 1103 1104 if (event == EVT_SESSION_ERROR) { 1105 inst->session_error = true; 1106 dev_err(dev, "enc: event session error %x\n", inst->error); 1107 } 1108 } 1109 1110 static const struct hfi_inst_ops venc_hfi_ops = { 1111 .buf_done = venc_buf_done, 1112 .event_notify = venc_event_notify, 1113 }; 1114 1115 static const struct v4l2_m2m_ops venc_m2m_ops = { 1116 .device_run = venus_helper_m2m_device_run, 1117 .job_abort = venus_helper_m2m_job_abort, 1118 }; 1119 1120 static int m2m_queue_init(void *priv, struct vb2_queue *src_vq, 1121 struct vb2_queue *dst_vq) 1122 { 1123 struct venus_inst *inst = priv; 1124 int ret; 1125 1126 src_vq->type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE; 1127 src_vq->io_modes = VB2_MMAP | VB2_USERPTR | VB2_DMABUF; 1128 src_vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY; 1129 src_vq->ops = &venc_vb2_ops; 1130 src_vq->mem_ops = &vb2_dma_sg_memops; 1131 src_vq->drv_priv = inst; 1132 src_vq->buf_struct_size = sizeof(struct venus_buffer); 1133 src_vq->allow_zero_bytesused = 1; 1134 src_vq->min_buffers_needed = 1; 1135 src_vq->dev = inst->core->dev; 1136 if (inst->core->res->hfi_version == HFI_VERSION_1XX) 1137 src_vq->bidirectional = 1; 1138 ret = vb2_queue_init(src_vq); 1139 if (ret) 1140 return ret; 1141 1142 dst_vq->type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE; 1143 dst_vq->io_modes = VB2_MMAP | VB2_USERPTR | VB2_DMABUF; 1144 dst_vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY; 1145 dst_vq->ops = &venc_vb2_ops; 1146 dst_vq->mem_ops = &vb2_dma_sg_memops; 1147 dst_vq->drv_priv = inst; 1148 dst_vq->buf_struct_size = sizeof(struct venus_buffer); 1149 dst_vq->allow_zero_bytesused = 1; 1150 dst_vq->min_buffers_needed = 1; 1151 dst_vq->dev = inst->core->dev; 1152 return vb2_queue_init(dst_vq); 1153 } 1154 1155 static void venc_inst_init(struct venus_inst *inst) 1156 { 1157 inst->fmt_cap = &venc_formats[2]; 1158 inst->fmt_out = &venc_formats[0]; 1159 inst->width = 1280; 1160 inst->height = ALIGN(720, 32); 1161 inst->out_width = 1280; 1162 inst->out_height = 720; 1163 inst->fps = 15; 1164 inst->timeperframe.numerator = 1; 1165 inst->timeperframe.denominator = 15; 1166 inst->hfi_codec = HFI_VIDEO_CODEC_H264; 1167 } 1168 1169 static int venc_open(struct file *file) 1170 { 1171 struct venus_core *core = video_drvdata(file); 1172 struct venus_inst *inst; 1173 int ret; 1174 1175 inst = kzalloc(sizeof(*inst), GFP_KERNEL); 1176 if (!inst) 1177 return -ENOMEM; 1178 1179 INIT_LIST_HEAD(&inst->dpbbufs); 1180 INIT_LIST_HEAD(&inst->registeredbufs); 1181 INIT_LIST_HEAD(&inst->internalbufs); 1182 INIT_LIST_HEAD(&inst->list); 1183 mutex_init(&inst->lock); 1184 1185 inst->core = core; 1186 inst->session_type = VIDC_SESSION_TYPE_ENC; 1187 inst->clk_data.core_id = VIDC_CORE_ID_DEFAULT; 1188 inst->core_acquired = false; 1189 1190 venus_helper_init_instance(inst); 1191 1192 ret = pm_runtime_get_sync(core->dev_enc); 1193 if (ret < 0) 1194 goto err_put_sync; 1195 1196 ret = venc_ctrl_init(inst); 1197 if (ret) 1198 goto err_put_sync; 1199 1200 ret = hfi_session_create(inst, &venc_hfi_ops); 1201 if (ret) 1202 goto err_ctrl_deinit; 1203 1204 venc_inst_init(inst); 1205 1206 /* 1207 * create m2m device for every instance, the m2m context scheduling 1208 * is made by firmware side so we do not need to care about. 1209 */ 1210 inst->m2m_dev = v4l2_m2m_init(&venc_m2m_ops); 1211 if (IS_ERR(inst->m2m_dev)) { 1212 ret = PTR_ERR(inst->m2m_dev); 1213 goto err_session_destroy; 1214 } 1215 1216 inst->m2m_ctx = v4l2_m2m_ctx_init(inst->m2m_dev, inst, m2m_queue_init); 1217 if (IS_ERR(inst->m2m_ctx)) { 1218 ret = PTR_ERR(inst->m2m_ctx); 1219 goto err_m2m_release; 1220 } 1221 1222 v4l2_fh_init(&inst->fh, core->vdev_enc); 1223 1224 inst->fh.ctrl_handler = &inst->ctrl_handler; 1225 v4l2_fh_add(&inst->fh); 1226 inst->fh.m2m_ctx = inst->m2m_ctx; 1227 file->private_data = &inst->fh; 1228 1229 return 0; 1230 1231 err_m2m_release: 1232 v4l2_m2m_release(inst->m2m_dev); 1233 err_session_destroy: 1234 hfi_session_destroy(inst); 1235 err_ctrl_deinit: 1236 venc_ctrl_deinit(inst); 1237 err_put_sync: 1238 pm_runtime_put_sync(core->dev_enc); 1239 kfree(inst); 1240 return ret; 1241 } 1242 1243 static int venc_close(struct file *file) 1244 { 1245 struct venus_inst *inst = to_inst(file); 1246 1247 v4l2_m2m_ctx_release(inst->m2m_ctx); 1248 v4l2_m2m_release(inst->m2m_dev); 1249 venc_ctrl_deinit(inst); 1250 hfi_session_destroy(inst); 1251 mutex_destroy(&inst->lock); 1252 v4l2_fh_del(&inst->fh); 1253 v4l2_fh_exit(&inst->fh); 1254 1255 pm_runtime_put_sync(inst->core->dev_enc); 1256 1257 kfree(inst); 1258 return 0; 1259 } 1260 1261 static const struct v4l2_file_operations venc_fops = { 1262 .owner = THIS_MODULE, 1263 .open = venc_open, 1264 .release = venc_close, 1265 .unlocked_ioctl = video_ioctl2, 1266 .poll = v4l2_m2m_fop_poll, 1267 .mmap = v4l2_m2m_fop_mmap, 1268 }; 1269 1270 static int venc_probe(struct platform_device *pdev) 1271 { 1272 struct device *dev = &pdev->dev; 1273 struct video_device *vdev; 1274 struct venus_core *core; 1275 int ret; 1276 1277 if (!dev->parent) 1278 return -EPROBE_DEFER; 1279 1280 core = dev_get_drvdata(dev->parent); 1281 if (!core) 1282 return -EPROBE_DEFER; 1283 1284 platform_set_drvdata(pdev, core); 1285 1286 if (core->pm_ops->venc_get) { 1287 ret = core->pm_ops->venc_get(dev); 1288 if (ret) 1289 return ret; 1290 } 1291 1292 vdev = video_device_alloc(); 1293 if (!vdev) 1294 return -ENOMEM; 1295 1296 strscpy(vdev->name, "qcom-venus-encoder", sizeof(vdev->name)); 1297 vdev->release = video_device_release; 1298 vdev->fops = &venc_fops; 1299 vdev->ioctl_ops = &venc_ioctl_ops; 1300 vdev->vfl_dir = VFL_DIR_M2M; 1301 vdev->v4l2_dev = &core->v4l2_dev; 1302 vdev->device_caps = V4L2_CAP_VIDEO_M2M_MPLANE | V4L2_CAP_STREAMING; 1303 1304 ret = video_register_device(vdev, VFL_TYPE_VIDEO, -1); 1305 if (ret) 1306 goto err_vdev_release; 1307 1308 core->vdev_enc = vdev; 1309 core->dev_enc = dev; 1310 1311 video_set_drvdata(vdev, core); 1312 pm_runtime_enable(dev); 1313 1314 return 0; 1315 1316 err_vdev_release: 1317 video_device_release(vdev); 1318 return ret; 1319 } 1320 1321 static int venc_remove(struct platform_device *pdev) 1322 { 1323 struct venus_core *core = dev_get_drvdata(pdev->dev.parent); 1324 1325 video_unregister_device(core->vdev_enc); 1326 pm_runtime_disable(core->dev_enc); 1327 1328 if (core->pm_ops->venc_put) 1329 core->pm_ops->venc_put(core->dev_enc); 1330 1331 return 0; 1332 } 1333 1334 static __maybe_unused int venc_runtime_suspend(struct device *dev) 1335 { 1336 struct venus_core *core = dev_get_drvdata(dev); 1337 const struct venus_pm_ops *pm_ops = core->pm_ops; 1338 int ret = 0; 1339 1340 if (pm_ops->venc_power) 1341 ret = pm_ops->venc_power(dev, POWER_OFF); 1342 1343 return ret; 1344 } 1345 1346 static __maybe_unused int venc_runtime_resume(struct device *dev) 1347 { 1348 struct venus_core *core = dev_get_drvdata(dev); 1349 const struct venus_pm_ops *pm_ops = core->pm_ops; 1350 int ret = 0; 1351 1352 if (pm_ops->venc_power) 1353 ret = pm_ops->venc_power(dev, POWER_ON); 1354 1355 return ret; 1356 } 1357 1358 static const struct dev_pm_ops venc_pm_ops = { 1359 SET_SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend, 1360 pm_runtime_force_resume) 1361 SET_RUNTIME_PM_OPS(venc_runtime_suspend, venc_runtime_resume, NULL) 1362 }; 1363 1364 static const struct of_device_id venc_dt_match[] = { 1365 { .compatible = "venus-encoder" }, 1366 { } 1367 }; 1368 MODULE_DEVICE_TABLE(of, venc_dt_match); 1369 1370 static struct platform_driver qcom_venus_enc_driver = { 1371 .probe = venc_probe, 1372 .remove = venc_remove, 1373 .driver = { 1374 .name = "qcom-venus-encoder", 1375 .of_match_table = venc_dt_match, 1376 .pm = &venc_pm_ops, 1377 }, 1378 }; 1379 module_platform_driver(qcom_venus_enc_driver); 1380 1381 MODULE_ALIAS("platform:qcom-venus-encoder"); 1382 MODULE_DESCRIPTION("Qualcomm Venus video encoder driver"); 1383 MODULE_LICENSE("GPL v2"); 1384