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; 360 361 orig_pixmp = *pixmp; 362 363 fmt = venc_try_fmt_common(inst, f); 364 if (!fmt) 365 return -EINVAL; 366 367 if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) { 368 pixfmt_out = pixmp->pixelformat; 369 pixfmt_cap = inst->fmt_cap->pixfmt; 370 } else if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) { 371 pixfmt_cap = pixmp->pixelformat; 372 pixfmt_out = inst->fmt_out->pixfmt; 373 } 374 375 memset(&format, 0, sizeof(format)); 376 377 format.type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE; 378 format.fmt.pix_mp.pixelformat = pixfmt_out; 379 format.fmt.pix_mp.width = orig_pixmp.width; 380 format.fmt.pix_mp.height = orig_pixmp.height; 381 venc_try_fmt_common(inst, &format); 382 383 if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) { 384 inst->out_width = format.fmt.pix_mp.width; 385 inst->out_height = format.fmt.pix_mp.height; 386 inst->colorspace = pixmp->colorspace; 387 inst->ycbcr_enc = pixmp->ycbcr_enc; 388 inst->quantization = pixmp->quantization; 389 inst->xfer_func = pixmp->xfer_func; 390 } 391 392 memset(&format, 0, sizeof(format)); 393 394 format.type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE; 395 format.fmt.pix_mp.pixelformat = pixfmt_cap; 396 format.fmt.pix_mp.width = orig_pixmp.width; 397 format.fmt.pix_mp.height = orig_pixmp.height; 398 venc_try_fmt_common(inst, &format); 399 400 inst->width = format.fmt.pix_mp.width; 401 inst->height = format.fmt.pix_mp.height; 402 403 if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) 404 inst->fmt_out = fmt; 405 else if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) { 406 inst->fmt_cap = fmt; 407 inst->output_buf_size = pixmp->plane_fmt[0].sizeimage; 408 } 409 410 return 0; 411 } 412 413 static int venc_g_fmt(struct file *file, void *fh, struct v4l2_format *f) 414 { 415 struct v4l2_pix_format_mplane *pixmp = &f->fmt.pix_mp; 416 struct venus_inst *inst = to_inst(file); 417 const struct venus_format *fmt; 418 419 if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) 420 fmt = inst->fmt_cap; 421 else if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) 422 fmt = inst->fmt_out; 423 else 424 return -EINVAL; 425 426 pixmp->pixelformat = fmt->pixfmt; 427 428 if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) { 429 pixmp->width = inst->width; 430 pixmp->height = inst->height; 431 pixmp->colorspace = inst->colorspace; 432 pixmp->ycbcr_enc = inst->ycbcr_enc; 433 pixmp->quantization = inst->quantization; 434 pixmp->xfer_func = inst->xfer_func; 435 } else if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) { 436 pixmp->width = inst->out_width; 437 pixmp->height = inst->out_height; 438 } 439 440 venc_try_fmt_common(inst, f); 441 442 return 0; 443 } 444 445 static int 446 venc_g_selection(struct file *file, void *fh, struct v4l2_selection *s) 447 { 448 struct venus_inst *inst = to_inst(file); 449 450 if (s->type != V4L2_BUF_TYPE_VIDEO_OUTPUT) 451 return -EINVAL; 452 453 switch (s->target) { 454 case V4L2_SEL_TGT_CROP_DEFAULT: 455 case V4L2_SEL_TGT_CROP_BOUNDS: 456 s->r.width = inst->width; 457 s->r.height = inst->height; 458 break; 459 case V4L2_SEL_TGT_CROP: 460 s->r.width = inst->out_width; 461 s->r.height = inst->out_height; 462 break; 463 default: 464 return -EINVAL; 465 } 466 467 s->r.top = 0; 468 s->r.left = 0; 469 470 return 0; 471 } 472 473 static int 474 venc_s_selection(struct file *file, void *fh, struct v4l2_selection *s) 475 { 476 struct venus_inst *inst = to_inst(file); 477 478 if (s->type != V4L2_BUF_TYPE_VIDEO_OUTPUT) 479 return -EINVAL; 480 481 switch (s->target) { 482 case V4L2_SEL_TGT_CROP: 483 if (s->r.width != inst->out_width || 484 s->r.height != inst->out_height || 485 s->r.top != 0 || s->r.left != 0) 486 return -EINVAL; 487 break; 488 default: 489 return -EINVAL; 490 } 491 492 return 0; 493 } 494 495 static int venc_s_parm(struct file *file, void *fh, struct v4l2_streamparm *a) 496 { 497 struct venus_inst *inst = to_inst(file); 498 struct v4l2_outputparm *out = &a->parm.output; 499 struct v4l2_fract *timeperframe = &out->timeperframe; 500 u64 us_per_frame, fps; 501 502 if (a->type != V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE && 503 a->type != V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) 504 return -EINVAL; 505 506 memset(out->reserved, 0, sizeof(out->reserved)); 507 508 if (!timeperframe->denominator) 509 timeperframe->denominator = inst->timeperframe.denominator; 510 if (!timeperframe->numerator) 511 timeperframe->numerator = inst->timeperframe.numerator; 512 513 out->capability = V4L2_CAP_TIMEPERFRAME; 514 515 us_per_frame = timeperframe->numerator * (u64)USEC_PER_SEC; 516 do_div(us_per_frame, timeperframe->denominator); 517 518 if (!us_per_frame) 519 return -EINVAL; 520 521 fps = (u64)USEC_PER_SEC; 522 do_div(fps, us_per_frame); 523 524 inst->timeperframe = *timeperframe; 525 inst->fps = fps; 526 527 return 0; 528 } 529 530 static int venc_g_parm(struct file *file, void *fh, struct v4l2_streamparm *a) 531 { 532 struct venus_inst *inst = to_inst(file); 533 534 if (a->type != V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE && 535 a->type != V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) 536 return -EINVAL; 537 538 a->parm.output.capability |= V4L2_CAP_TIMEPERFRAME; 539 a->parm.output.timeperframe = inst->timeperframe; 540 541 return 0; 542 } 543 544 static int venc_enum_framesizes(struct file *file, void *fh, 545 struct v4l2_frmsizeenum *fsize) 546 { 547 struct venus_inst *inst = to_inst(file); 548 const struct venus_format *fmt; 549 550 fsize->type = V4L2_FRMSIZE_TYPE_STEPWISE; 551 552 fmt = find_format(inst, fsize->pixel_format, 553 V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE); 554 if (!fmt) { 555 fmt = find_format(inst, fsize->pixel_format, 556 V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE); 557 if (!fmt) 558 return -EINVAL; 559 } 560 561 if (fsize->index) 562 return -EINVAL; 563 564 fsize->stepwise.min_width = frame_width_min(inst); 565 fsize->stepwise.max_width = frame_width_max(inst); 566 fsize->stepwise.step_width = frame_width_step(inst); 567 fsize->stepwise.min_height = frame_height_min(inst); 568 fsize->stepwise.max_height = frame_height_max(inst); 569 fsize->stepwise.step_height = frame_height_step(inst); 570 571 return 0; 572 } 573 574 static int venc_enum_frameintervals(struct file *file, void *fh, 575 struct v4l2_frmivalenum *fival) 576 { 577 struct venus_inst *inst = to_inst(file); 578 const struct venus_format *fmt; 579 580 fival->type = V4L2_FRMIVAL_TYPE_STEPWISE; 581 582 fmt = find_format(inst, fival->pixel_format, 583 V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE); 584 if (!fmt) { 585 fmt = find_format(inst, fival->pixel_format, 586 V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE); 587 if (!fmt) 588 return -EINVAL; 589 } 590 591 if (fival->index) 592 return -EINVAL; 593 594 if (!fival->width || !fival->height) 595 return -EINVAL; 596 597 if (fival->width > frame_width_max(inst) || 598 fival->width < frame_width_min(inst) || 599 fival->height > frame_height_max(inst) || 600 fival->height < frame_height_min(inst)) 601 return -EINVAL; 602 603 fival->stepwise.min.numerator = 1; 604 fival->stepwise.min.denominator = frate_max(inst); 605 fival->stepwise.max.numerator = 1; 606 fival->stepwise.max.denominator = frate_min(inst); 607 fival->stepwise.step.numerator = 1; 608 fival->stepwise.step.denominator = frate_max(inst); 609 610 return 0; 611 } 612 613 static const struct v4l2_ioctl_ops venc_ioctl_ops = { 614 .vidioc_querycap = venc_querycap, 615 .vidioc_enum_fmt_vid_cap = venc_enum_fmt, 616 .vidioc_enum_fmt_vid_out = venc_enum_fmt, 617 .vidioc_s_fmt_vid_cap_mplane = venc_s_fmt, 618 .vidioc_s_fmt_vid_out_mplane = venc_s_fmt, 619 .vidioc_g_fmt_vid_cap_mplane = venc_g_fmt, 620 .vidioc_g_fmt_vid_out_mplane = venc_g_fmt, 621 .vidioc_try_fmt_vid_cap_mplane = venc_try_fmt, 622 .vidioc_try_fmt_vid_out_mplane = venc_try_fmt, 623 .vidioc_g_selection = venc_g_selection, 624 .vidioc_s_selection = venc_s_selection, 625 .vidioc_reqbufs = v4l2_m2m_ioctl_reqbufs, 626 .vidioc_querybuf = v4l2_m2m_ioctl_querybuf, 627 .vidioc_create_bufs = v4l2_m2m_ioctl_create_bufs, 628 .vidioc_prepare_buf = v4l2_m2m_ioctl_prepare_buf, 629 .vidioc_qbuf = v4l2_m2m_ioctl_qbuf, 630 .vidioc_expbuf = v4l2_m2m_ioctl_expbuf, 631 .vidioc_dqbuf = v4l2_m2m_ioctl_dqbuf, 632 .vidioc_streamon = v4l2_m2m_ioctl_streamon, 633 .vidioc_streamoff = v4l2_m2m_ioctl_streamoff, 634 .vidioc_s_parm = venc_s_parm, 635 .vidioc_g_parm = venc_g_parm, 636 .vidioc_enum_framesizes = venc_enum_framesizes, 637 .vidioc_enum_frameintervals = venc_enum_frameintervals, 638 .vidioc_subscribe_event = v4l2_ctrl_subscribe_event, 639 .vidioc_unsubscribe_event = v4l2_event_unsubscribe, 640 }; 641 642 static int venc_set_properties(struct venus_inst *inst) 643 { 644 struct venc_controls *ctr = &inst->controls.enc; 645 struct hfi_intra_period intra_period; 646 struct hfi_profile_level pl; 647 struct hfi_framerate frate; 648 struct hfi_bitrate brate; 649 struct hfi_idr_period idrp; 650 struct hfi_quantization quant; 651 struct hfi_quantization_range quant_range; 652 u32 ptype, rate_control, bitrate, profile = 0, level = 0; 653 int ret; 654 655 ret = venus_helper_set_work_mode(inst, VIDC_WORK_MODE_2); 656 if (ret) 657 return ret; 658 659 ptype = HFI_PROPERTY_CONFIG_FRAME_RATE; 660 frate.buffer_type = HFI_BUFFER_OUTPUT; 661 frate.framerate = inst->fps * (1 << 16); 662 663 ret = hfi_session_set_property(inst, ptype, &frate); 664 if (ret) 665 return ret; 666 667 if (inst->fmt_cap->pixfmt == V4L2_PIX_FMT_H264) { 668 struct hfi_h264_vui_timing_info info; 669 struct hfi_h264_entropy_control entropy; 670 struct hfi_h264_db_control deblock; 671 672 ptype = HFI_PROPERTY_PARAM_VENC_H264_VUI_TIMING_INFO; 673 info.enable = 1; 674 info.fixed_framerate = 1; 675 info.time_scale = NSEC_PER_SEC; 676 677 ret = hfi_session_set_property(inst, ptype, &info); 678 if (ret) 679 return ret; 680 681 ptype = HFI_PROPERTY_PARAM_VENC_H264_ENTROPY_CONTROL; 682 entropy.entropy_mode = venc_v4l2_to_hfi( 683 V4L2_CID_MPEG_VIDEO_H264_ENTROPY_MODE, 684 ctr->h264_entropy_mode); 685 entropy.cabac_model = HFI_H264_CABAC_MODEL_0; 686 687 ret = hfi_session_set_property(inst, ptype, &entropy); 688 if (ret) 689 return ret; 690 691 ptype = HFI_PROPERTY_PARAM_VENC_H264_DEBLOCK_CONTROL; 692 deblock.mode = venc_v4l2_to_hfi( 693 V4L2_CID_MPEG_VIDEO_H264_LOOP_FILTER_MODE, 694 ctr->h264_loop_filter_mode); 695 deblock.slice_alpha_offset = ctr->h264_loop_filter_alpha; 696 deblock.slice_beta_offset = ctr->h264_loop_filter_beta; 697 698 ret = hfi_session_set_property(inst, ptype, &deblock); 699 if (ret) 700 return ret; 701 } 702 703 /* IDR periodicity, n: 704 * n = 0 - only the first I-frame is IDR frame 705 * n = 1 - all I-frames will be IDR frames 706 * n > 1 - every n-th I-frame will be IDR frame 707 */ 708 ptype = HFI_PROPERTY_CONFIG_VENC_IDR_PERIOD; 709 idrp.idr_period = 0; 710 ret = hfi_session_set_property(inst, ptype, &idrp); 711 if (ret) 712 return ret; 713 714 if (ctr->num_b_frames) { 715 u32 max_num_b_frames = NUM_B_FRAMES_MAX; 716 717 ptype = HFI_PROPERTY_PARAM_VENC_MAX_NUM_B_FRAMES; 718 ret = hfi_session_set_property(inst, ptype, &max_num_b_frames); 719 if (ret) 720 return ret; 721 } 722 723 ptype = HFI_PROPERTY_CONFIG_VENC_INTRA_PERIOD; 724 intra_period.pframes = ctr->num_p_frames; 725 intra_period.bframes = ctr->num_b_frames; 726 727 ret = hfi_session_set_property(inst, ptype, &intra_period); 728 if (ret) 729 return ret; 730 731 if (ctr->bitrate_mode == V4L2_MPEG_VIDEO_BITRATE_MODE_VBR) 732 rate_control = HFI_RATE_CONTROL_VBR_CFR; 733 else 734 rate_control = HFI_RATE_CONTROL_CBR_CFR; 735 736 ptype = HFI_PROPERTY_PARAM_VENC_RATE_CONTROL; 737 ret = hfi_session_set_property(inst, ptype, &rate_control); 738 if (ret) 739 return ret; 740 741 if (!ctr->bitrate) 742 bitrate = 64000; 743 else 744 bitrate = ctr->bitrate; 745 746 ptype = HFI_PROPERTY_CONFIG_VENC_TARGET_BITRATE; 747 brate.bitrate = bitrate; 748 brate.layer_id = 0; 749 750 ret = hfi_session_set_property(inst, ptype, &brate); 751 if (ret) 752 return ret; 753 754 if (!ctr->bitrate_peak) 755 bitrate *= 2; 756 else 757 bitrate = ctr->bitrate_peak; 758 759 ptype = HFI_PROPERTY_CONFIG_VENC_MAX_BITRATE; 760 brate.bitrate = bitrate; 761 brate.layer_id = 0; 762 763 ret = hfi_session_set_property(inst, ptype, &brate); 764 if (ret) 765 return ret; 766 767 ptype = HFI_PROPERTY_PARAM_VENC_SESSION_QP; 768 quant.qp_i = ctr->h264_i_qp; 769 quant.qp_p = ctr->h264_p_qp; 770 quant.qp_b = ctr->h264_b_qp; 771 quant.layer_id = 0; 772 ret = hfi_session_set_property(inst, ptype, &quant); 773 if (ret) 774 return ret; 775 776 ptype = HFI_PROPERTY_PARAM_VENC_SESSION_QP_RANGE; 777 quant_range.min_qp = ctr->h264_min_qp; 778 quant_range.max_qp = ctr->h264_max_qp; 779 quant_range.layer_id = 0; 780 ret = hfi_session_set_property(inst, ptype, &quant_range); 781 if (ret) 782 return ret; 783 784 if (inst->fmt_cap->pixfmt == V4L2_PIX_FMT_H264) { 785 profile = venc_v4l2_to_hfi(V4L2_CID_MPEG_VIDEO_H264_PROFILE, 786 ctr->profile.h264); 787 level = venc_v4l2_to_hfi(V4L2_CID_MPEG_VIDEO_H264_LEVEL, 788 ctr->level.h264); 789 } else if (inst->fmt_cap->pixfmt == V4L2_PIX_FMT_VP8) { 790 profile = venc_v4l2_to_hfi(V4L2_CID_MPEG_VIDEO_VP8_PROFILE, 791 ctr->profile.vpx); 792 level = 0; 793 } else if (inst->fmt_cap->pixfmt == V4L2_PIX_FMT_MPEG4) { 794 profile = venc_v4l2_to_hfi(V4L2_CID_MPEG_VIDEO_MPEG4_PROFILE, 795 ctr->profile.mpeg4); 796 level = venc_v4l2_to_hfi(V4L2_CID_MPEG_VIDEO_MPEG4_LEVEL, 797 ctr->level.mpeg4); 798 } else if (inst->fmt_cap->pixfmt == V4L2_PIX_FMT_H263) { 799 profile = 0; 800 level = 0; 801 } else if (inst->fmt_cap->pixfmt == V4L2_PIX_FMT_HEVC) { 802 profile = venc_v4l2_to_hfi(V4L2_CID_MPEG_VIDEO_HEVC_PROFILE, 803 ctr->profile.hevc); 804 level = venc_v4l2_to_hfi(V4L2_CID_MPEG_VIDEO_HEVC_LEVEL, 805 ctr->level.hevc); 806 } 807 808 ptype = HFI_PROPERTY_PARAM_PROFILE_LEVEL_CURRENT; 809 pl.profile = profile; 810 pl.level = level; 811 812 ret = hfi_session_set_property(inst, ptype, &pl); 813 if (ret) 814 return ret; 815 816 return 0; 817 } 818 819 static int venc_init_session(struct venus_inst *inst) 820 { 821 int ret; 822 823 ret = hfi_session_init(inst, inst->fmt_cap->pixfmt); 824 if (ret) 825 return ret; 826 827 ret = venus_helper_set_input_resolution(inst, inst->width, 828 inst->height); 829 if (ret) 830 goto deinit; 831 832 ret = venus_helper_set_output_resolution(inst, inst->width, 833 inst->height, 834 HFI_BUFFER_OUTPUT); 835 if (ret) 836 goto deinit; 837 838 ret = venus_helper_set_color_format(inst, inst->fmt_out->pixfmt); 839 if (ret) 840 goto deinit; 841 842 ret = venus_helper_init_codec_freq_data(inst); 843 if (ret) 844 goto deinit; 845 846 ret = venc_set_properties(inst); 847 if (ret) 848 goto deinit; 849 850 return 0; 851 deinit: 852 hfi_session_deinit(inst); 853 return ret; 854 } 855 856 static int venc_out_num_buffers(struct venus_inst *inst, unsigned int *num) 857 { 858 struct hfi_buffer_requirements bufreq; 859 int ret; 860 861 ret = venc_init_session(inst); 862 if (ret) 863 return ret; 864 865 ret = venus_helper_get_bufreq(inst, HFI_BUFFER_INPUT, &bufreq); 866 867 *num = bufreq.count_actual; 868 869 hfi_session_deinit(inst); 870 871 return ret; 872 } 873 874 static int venc_queue_setup(struct vb2_queue *q, 875 unsigned int *num_buffers, unsigned int *num_planes, 876 unsigned int sizes[], struct device *alloc_devs[]) 877 { 878 struct venus_inst *inst = vb2_get_drv_priv(q); 879 unsigned int num, min = 4; 880 int ret = 0; 881 882 if (*num_planes) { 883 if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE && 884 *num_planes != inst->fmt_out->num_planes) 885 return -EINVAL; 886 887 if (q->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE && 888 *num_planes != inst->fmt_cap->num_planes) 889 return -EINVAL; 890 891 if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE && 892 sizes[0] < inst->input_buf_size) 893 return -EINVAL; 894 895 if (q->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE && 896 sizes[0] < inst->output_buf_size) 897 return -EINVAL; 898 899 return 0; 900 } 901 902 switch (q->type) { 903 case V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE: 904 *num_planes = inst->fmt_out->num_planes; 905 906 ret = venc_out_num_buffers(inst, &num); 907 if (ret) 908 break; 909 910 num = max(num, min); 911 *num_buffers = max(*num_buffers, num); 912 inst->num_input_bufs = *num_buffers; 913 914 sizes[0] = venus_helper_get_framesz(inst->fmt_out->pixfmt, 915 inst->width, 916 inst->height); 917 inst->input_buf_size = sizes[0]; 918 break; 919 case V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE: 920 *num_planes = inst->fmt_cap->num_planes; 921 *num_buffers = max(*num_buffers, min); 922 inst->num_output_bufs = *num_buffers; 923 sizes[0] = venus_helper_get_framesz(inst->fmt_cap->pixfmt, 924 inst->width, 925 inst->height); 926 sizes[0] = max(sizes[0], inst->output_buf_size); 927 inst->output_buf_size = sizes[0]; 928 break; 929 default: 930 ret = -EINVAL; 931 break; 932 } 933 934 return ret; 935 } 936 937 static int venc_verify_conf(struct venus_inst *inst) 938 { 939 enum hfi_version ver = inst->core->res->hfi_version; 940 struct hfi_buffer_requirements bufreq; 941 int ret; 942 943 if (!inst->num_input_bufs || !inst->num_output_bufs) 944 return -EINVAL; 945 946 ret = venus_helper_get_bufreq(inst, HFI_BUFFER_OUTPUT, &bufreq); 947 if (ret) 948 return ret; 949 950 if (inst->num_output_bufs < bufreq.count_actual || 951 inst->num_output_bufs < HFI_BUFREQ_COUNT_MIN(&bufreq, ver)) 952 return -EINVAL; 953 954 ret = venus_helper_get_bufreq(inst, HFI_BUFFER_INPUT, &bufreq); 955 if (ret) 956 return ret; 957 958 if (inst->num_input_bufs < bufreq.count_actual || 959 inst->num_input_bufs < HFI_BUFREQ_COUNT_MIN(&bufreq, ver)) 960 return -EINVAL; 961 962 return 0; 963 } 964 965 static int venc_start_streaming(struct vb2_queue *q, unsigned int count) 966 { 967 struct venus_inst *inst = vb2_get_drv_priv(q); 968 int ret; 969 970 mutex_lock(&inst->lock); 971 972 if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) 973 inst->streamon_out = 1; 974 else 975 inst->streamon_cap = 1; 976 977 if (!(inst->streamon_out & inst->streamon_cap)) { 978 mutex_unlock(&inst->lock); 979 return 0; 980 } 981 982 venus_helper_init_instance(inst); 983 984 inst->sequence_cap = 0; 985 inst->sequence_out = 0; 986 987 ret = venc_init_session(inst); 988 if (ret) 989 goto bufs_done; 990 991 ret = venus_pm_acquire_core(inst); 992 if (ret) 993 goto deinit_sess; 994 995 ret = venc_set_properties(inst); 996 if (ret) 997 goto deinit_sess; 998 999 ret = venc_verify_conf(inst); 1000 if (ret) 1001 goto deinit_sess; 1002 1003 ret = venus_helper_set_num_bufs(inst, inst->num_input_bufs, 1004 inst->num_output_bufs, 0); 1005 if (ret) 1006 goto deinit_sess; 1007 1008 ret = venus_helper_vb2_start_streaming(inst); 1009 if (ret) 1010 goto deinit_sess; 1011 1012 mutex_unlock(&inst->lock); 1013 1014 return 0; 1015 1016 deinit_sess: 1017 hfi_session_deinit(inst); 1018 bufs_done: 1019 venus_helper_buffers_done(inst, VB2_BUF_STATE_QUEUED); 1020 if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) 1021 inst->streamon_out = 0; 1022 else 1023 inst->streamon_cap = 0; 1024 mutex_unlock(&inst->lock); 1025 return ret; 1026 } 1027 1028 static const struct vb2_ops venc_vb2_ops = { 1029 .queue_setup = venc_queue_setup, 1030 .buf_init = venus_helper_vb2_buf_init, 1031 .buf_prepare = venus_helper_vb2_buf_prepare, 1032 .start_streaming = venc_start_streaming, 1033 .stop_streaming = venus_helper_vb2_stop_streaming, 1034 .buf_queue = venus_helper_vb2_buf_queue, 1035 }; 1036 1037 static void venc_buf_done(struct venus_inst *inst, unsigned int buf_type, 1038 u32 tag, u32 bytesused, u32 data_offset, u32 flags, 1039 u32 hfi_flags, u64 timestamp_us) 1040 { 1041 struct vb2_v4l2_buffer *vbuf; 1042 struct vb2_buffer *vb; 1043 unsigned int type; 1044 1045 if (buf_type == HFI_BUFFER_INPUT) 1046 type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE; 1047 else 1048 type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE; 1049 1050 vbuf = venus_helper_find_buf(inst, type, tag); 1051 if (!vbuf) 1052 return; 1053 1054 vbuf->flags = flags; 1055 1056 if (type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) { 1057 vb = &vbuf->vb2_buf; 1058 vb2_set_plane_payload(vb, 0, bytesused + data_offset); 1059 vb->planes[0].data_offset = data_offset; 1060 vb->timestamp = timestamp_us * NSEC_PER_USEC; 1061 vbuf->sequence = inst->sequence_cap++; 1062 } else { 1063 vbuf->sequence = inst->sequence_out++; 1064 } 1065 1066 v4l2_m2m_buf_done(vbuf, VB2_BUF_STATE_DONE); 1067 } 1068 1069 static void venc_event_notify(struct venus_inst *inst, u32 event, 1070 struct hfi_event_data *data) 1071 { 1072 struct device *dev = inst->core->dev_enc; 1073 1074 if (event == EVT_SESSION_ERROR) { 1075 inst->session_error = true; 1076 dev_err(dev, "enc: event session error %x\n", inst->error); 1077 } 1078 } 1079 1080 static const struct hfi_inst_ops venc_hfi_ops = { 1081 .buf_done = venc_buf_done, 1082 .event_notify = venc_event_notify, 1083 }; 1084 1085 static const struct v4l2_m2m_ops venc_m2m_ops = { 1086 .device_run = venus_helper_m2m_device_run, 1087 .job_abort = venus_helper_m2m_job_abort, 1088 }; 1089 1090 static int m2m_queue_init(void *priv, struct vb2_queue *src_vq, 1091 struct vb2_queue *dst_vq) 1092 { 1093 struct venus_inst *inst = priv; 1094 int ret; 1095 1096 src_vq->type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE; 1097 src_vq->io_modes = VB2_MMAP | VB2_USERPTR | VB2_DMABUF; 1098 src_vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY; 1099 src_vq->ops = &venc_vb2_ops; 1100 src_vq->mem_ops = &vb2_dma_sg_memops; 1101 src_vq->drv_priv = inst; 1102 src_vq->buf_struct_size = sizeof(struct venus_buffer); 1103 src_vq->allow_zero_bytesused = 1; 1104 src_vq->min_buffers_needed = 1; 1105 src_vq->dev = inst->core->dev; 1106 if (inst->core->res->hfi_version == HFI_VERSION_1XX) 1107 src_vq->bidirectional = 1; 1108 ret = vb2_queue_init(src_vq); 1109 if (ret) 1110 return ret; 1111 1112 dst_vq->type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE; 1113 dst_vq->io_modes = VB2_MMAP | VB2_USERPTR | VB2_DMABUF; 1114 dst_vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY; 1115 dst_vq->ops = &venc_vb2_ops; 1116 dst_vq->mem_ops = &vb2_dma_sg_memops; 1117 dst_vq->drv_priv = inst; 1118 dst_vq->buf_struct_size = sizeof(struct venus_buffer); 1119 dst_vq->allow_zero_bytesused = 1; 1120 dst_vq->min_buffers_needed = 1; 1121 dst_vq->dev = inst->core->dev; 1122 ret = vb2_queue_init(dst_vq); 1123 if (ret) { 1124 vb2_queue_release(src_vq); 1125 return ret; 1126 } 1127 1128 return 0; 1129 } 1130 1131 static void venc_inst_init(struct venus_inst *inst) 1132 { 1133 inst->fmt_cap = &venc_formats[2]; 1134 inst->fmt_out = &venc_formats[0]; 1135 inst->width = 1280; 1136 inst->height = ALIGN(720, 32); 1137 inst->out_width = 1280; 1138 inst->out_height = 720; 1139 inst->fps = 15; 1140 inst->timeperframe.numerator = 1; 1141 inst->timeperframe.denominator = 15; 1142 inst->hfi_codec = HFI_VIDEO_CODEC_H264; 1143 } 1144 1145 static int venc_open(struct file *file) 1146 { 1147 struct venus_core *core = video_drvdata(file); 1148 struct venus_inst *inst; 1149 int ret; 1150 1151 inst = kzalloc(sizeof(*inst), GFP_KERNEL); 1152 if (!inst) 1153 return -ENOMEM; 1154 1155 INIT_LIST_HEAD(&inst->dpbbufs); 1156 INIT_LIST_HEAD(&inst->registeredbufs); 1157 INIT_LIST_HEAD(&inst->internalbufs); 1158 INIT_LIST_HEAD(&inst->list); 1159 mutex_init(&inst->lock); 1160 1161 inst->core = core; 1162 inst->session_type = VIDC_SESSION_TYPE_ENC; 1163 inst->clk_data.core_id = VIDC_CORE_ID_DEFAULT; 1164 inst->core_acquired = false; 1165 1166 venus_helper_init_instance(inst); 1167 1168 ret = pm_runtime_get_sync(core->dev_enc); 1169 if (ret < 0) 1170 goto err_free_inst; 1171 1172 ret = venc_ctrl_init(inst); 1173 if (ret) 1174 goto err_put_sync; 1175 1176 ret = hfi_session_create(inst, &venc_hfi_ops); 1177 if (ret) 1178 goto err_ctrl_deinit; 1179 1180 venc_inst_init(inst); 1181 1182 /* 1183 * create m2m device for every instance, the m2m context scheduling 1184 * is made by firmware side so we do not need to care about. 1185 */ 1186 inst->m2m_dev = v4l2_m2m_init(&venc_m2m_ops); 1187 if (IS_ERR(inst->m2m_dev)) { 1188 ret = PTR_ERR(inst->m2m_dev); 1189 goto err_session_destroy; 1190 } 1191 1192 inst->m2m_ctx = v4l2_m2m_ctx_init(inst->m2m_dev, inst, m2m_queue_init); 1193 if (IS_ERR(inst->m2m_ctx)) { 1194 ret = PTR_ERR(inst->m2m_ctx); 1195 goto err_m2m_release; 1196 } 1197 1198 v4l2_fh_init(&inst->fh, core->vdev_enc); 1199 1200 inst->fh.ctrl_handler = &inst->ctrl_handler; 1201 v4l2_fh_add(&inst->fh); 1202 inst->fh.m2m_ctx = inst->m2m_ctx; 1203 file->private_data = &inst->fh; 1204 1205 return 0; 1206 1207 err_m2m_release: 1208 v4l2_m2m_release(inst->m2m_dev); 1209 err_session_destroy: 1210 hfi_session_destroy(inst); 1211 err_ctrl_deinit: 1212 venc_ctrl_deinit(inst); 1213 err_put_sync: 1214 pm_runtime_put_sync(core->dev_enc); 1215 err_free_inst: 1216 kfree(inst); 1217 return ret; 1218 } 1219 1220 static int venc_close(struct file *file) 1221 { 1222 struct venus_inst *inst = to_inst(file); 1223 1224 v4l2_m2m_ctx_release(inst->m2m_ctx); 1225 v4l2_m2m_release(inst->m2m_dev); 1226 venc_ctrl_deinit(inst); 1227 hfi_session_destroy(inst); 1228 mutex_destroy(&inst->lock); 1229 v4l2_fh_del(&inst->fh); 1230 v4l2_fh_exit(&inst->fh); 1231 1232 pm_runtime_put_sync(inst->core->dev_enc); 1233 1234 kfree(inst); 1235 return 0; 1236 } 1237 1238 static const struct v4l2_file_operations venc_fops = { 1239 .owner = THIS_MODULE, 1240 .open = venc_open, 1241 .release = venc_close, 1242 .unlocked_ioctl = video_ioctl2, 1243 .poll = v4l2_m2m_fop_poll, 1244 .mmap = v4l2_m2m_fop_mmap, 1245 }; 1246 1247 static int venc_probe(struct platform_device *pdev) 1248 { 1249 struct device *dev = &pdev->dev; 1250 struct video_device *vdev; 1251 struct venus_core *core; 1252 int ret; 1253 1254 if (!dev->parent) 1255 return -EPROBE_DEFER; 1256 1257 core = dev_get_drvdata(dev->parent); 1258 if (!core) 1259 return -EPROBE_DEFER; 1260 1261 platform_set_drvdata(pdev, core); 1262 1263 if (core->pm_ops->venc_get) { 1264 ret = core->pm_ops->venc_get(dev); 1265 if (ret) 1266 return ret; 1267 } 1268 1269 vdev = video_device_alloc(); 1270 if (!vdev) 1271 return -ENOMEM; 1272 1273 strscpy(vdev->name, "qcom-venus-encoder", sizeof(vdev->name)); 1274 vdev->release = video_device_release; 1275 vdev->fops = &venc_fops; 1276 vdev->ioctl_ops = &venc_ioctl_ops; 1277 vdev->vfl_dir = VFL_DIR_M2M; 1278 vdev->v4l2_dev = &core->v4l2_dev; 1279 vdev->device_caps = V4L2_CAP_VIDEO_M2M_MPLANE | V4L2_CAP_STREAMING; 1280 1281 ret = video_register_device(vdev, VFL_TYPE_VIDEO, -1); 1282 if (ret) 1283 goto err_vdev_release; 1284 1285 core->vdev_enc = vdev; 1286 core->dev_enc = dev; 1287 1288 video_set_drvdata(vdev, core); 1289 pm_runtime_enable(dev); 1290 1291 return 0; 1292 1293 err_vdev_release: 1294 video_device_release(vdev); 1295 return ret; 1296 } 1297 1298 static int venc_remove(struct platform_device *pdev) 1299 { 1300 struct venus_core *core = dev_get_drvdata(pdev->dev.parent); 1301 1302 video_unregister_device(core->vdev_enc); 1303 pm_runtime_disable(core->dev_enc); 1304 1305 if (core->pm_ops->venc_put) 1306 core->pm_ops->venc_put(core->dev_enc); 1307 1308 return 0; 1309 } 1310 1311 static __maybe_unused int venc_runtime_suspend(struct device *dev) 1312 { 1313 struct venus_core *core = dev_get_drvdata(dev); 1314 const struct venus_pm_ops *pm_ops = core->pm_ops; 1315 int ret = 0; 1316 1317 if (pm_ops->venc_power) 1318 ret = pm_ops->venc_power(dev, POWER_OFF); 1319 1320 return ret; 1321 } 1322 1323 static __maybe_unused int venc_runtime_resume(struct device *dev) 1324 { 1325 struct venus_core *core = dev_get_drvdata(dev); 1326 const struct venus_pm_ops *pm_ops = core->pm_ops; 1327 int ret = 0; 1328 1329 if (pm_ops->venc_power) 1330 ret = pm_ops->venc_power(dev, POWER_ON); 1331 1332 return ret; 1333 } 1334 1335 static const struct dev_pm_ops venc_pm_ops = { 1336 SET_SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend, 1337 pm_runtime_force_resume) 1338 SET_RUNTIME_PM_OPS(venc_runtime_suspend, venc_runtime_resume, NULL) 1339 }; 1340 1341 static const struct of_device_id venc_dt_match[] = { 1342 { .compatible = "venus-encoder" }, 1343 { } 1344 }; 1345 MODULE_DEVICE_TABLE(of, venc_dt_match); 1346 1347 static struct platform_driver qcom_venus_enc_driver = { 1348 .probe = venc_probe, 1349 .remove = venc_remove, 1350 .driver = { 1351 .name = "qcom-venus-encoder", 1352 .of_match_table = venc_dt_match, 1353 .pm = &venc_pm_ops, 1354 }, 1355 }; 1356 module_platform_driver(qcom_venus_enc_driver); 1357 1358 MODULE_ALIAS("platform:qcom-venus-encoder"); 1359 MODULE_DESCRIPTION("Qualcomm Venus video encoder driver"); 1360 MODULE_LICENSE("GPL v2"); 1361