s5p_mfc_dec.c revision e2b9deb2ad34c9ca6e11a6193bf29088716c2b62
1/* 2 * linux/drivers/media/platform/s5p-mfc/s5p_mfc_dec.c 3 * 4 * Copyright (C) 2011 Samsung Electronics Co., Ltd. 5 * http://www.samsung.com/ 6 * Kamil Debski, <k.debski@samsung.com> 7 * 8 * This program is free software; you can redistribute it and/or modify 9 * it under the terms of the GNU General Public License as published by 10 * the Free Software Foundation; either version 2 of the License, or 11 * (at your option) any later version. 12 */ 13 14#include <linux/clk.h> 15#include <linux/interrupt.h> 16#include <linux/io.h> 17#include <linux/module.h> 18#include <linux/platform_device.h> 19#include <linux/sched.h> 20#include <linux/slab.h> 21#include <linux/version.h> 22#include <linux/videodev2.h> 23#include <linux/workqueue.h> 24#include <media/v4l2-ctrls.h> 25#include <media/v4l2-event.h> 26#include <media/videobuf2-core.h> 27#include "s5p_mfc_common.h" 28#include "s5p_mfc_ctrl.h" 29#include "s5p_mfc_debug.h" 30#include "s5p_mfc_dec.h" 31#include "s5p_mfc_intr.h" 32#include "s5p_mfc_opr.h" 33#include "s5p_mfc_pm.h" 34 35static struct s5p_mfc_fmt formats[] = { 36 { 37 .name = "4:2:0 2 Planes 16x16 Tiles", 38 .fourcc = V4L2_PIX_FMT_NV12MT_16X16, 39 .codec_mode = S5P_MFC_CODEC_NONE, 40 .type = MFC_FMT_RAW, 41 .num_planes = 2, 42 .versions = MFC_V6_BIT | MFC_V7_BIT, 43 }, 44 { 45 .name = "4:2:0 2 Planes 64x32 Tiles", 46 .fourcc = V4L2_PIX_FMT_NV12MT, 47 .codec_mode = S5P_MFC_CODEC_NONE, 48 .type = MFC_FMT_RAW, 49 .num_planes = 2, 50 .versions = MFC_V5_BIT, 51 }, 52 { 53 .name = "4:2:0 2 Planes Y/CbCr", 54 .fourcc = V4L2_PIX_FMT_NV12M, 55 .codec_mode = S5P_MFC_CODEC_NONE, 56 .type = MFC_FMT_RAW, 57 .num_planes = 2, 58 .versions = MFC_V6_BIT | MFC_V7_BIT | MFC_V8_BIT, 59 }, 60 { 61 .name = "4:2:0 2 Planes Y/CrCb", 62 .fourcc = V4L2_PIX_FMT_NV21M, 63 .codec_mode = S5P_MFC_CODEC_NONE, 64 .type = MFC_FMT_RAW, 65 .num_planes = 2, 66 .versions = MFC_V6_BIT | MFC_V7_BIT | MFC_V8_BIT, 67 }, 68 { 69 .name = "H264 Encoded Stream", 70 .fourcc = V4L2_PIX_FMT_H264, 71 .codec_mode = S5P_MFC_CODEC_H264_DEC, 72 .type = MFC_FMT_DEC, 73 .num_planes = 1, 74 .versions = MFC_V5_BIT | MFC_V6_BIT | MFC_V7_BIT | 75 MFC_V8_BIT, 76 }, 77 { 78 .name = "H264/MVC Encoded Stream", 79 .fourcc = V4L2_PIX_FMT_H264_MVC, 80 .codec_mode = S5P_MFC_CODEC_H264_MVC_DEC, 81 .type = MFC_FMT_DEC, 82 .num_planes = 1, 83 .versions = MFC_V6_BIT | MFC_V7_BIT | MFC_V8_BIT, 84 }, 85 { 86 .name = "H263 Encoded Stream", 87 .fourcc = V4L2_PIX_FMT_H263, 88 .codec_mode = S5P_MFC_CODEC_H263_DEC, 89 .type = MFC_FMT_DEC, 90 .num_planes = 1, 91 .versions = MFC_V5_BIT | MFC_V6_BIT | MFC_V7_BIT | 92 MFC_V8_BIT, 93 }, 94 { 95 .name = "MPEG1 Encoded Stream", 96 .fourcc = V4L2_PIX_FMT_MPEG1, 97 .codec_mode = S5P_MFC_CODEC_MPEG2_DEC, 98 .type = MFC_FMT_DEC, 99 .num_planes = 1, 100 .versions = MFC_V5_BIT | MFC_V6_BIT | MFC_V7_BIT | 101 MFC_V8_BIT, 102 }, 103 { 104 .name = "MPEG2 Encoded Stream", 105 .fourcc = V4L2_PIX_FMT_MPEG2, 106 .codec_mode = S5P_MFC_CODEC_MPEG2_DEC, 107 .type = MFC_FMT_DEC, 108 .num_planes = 1, 109 .versions = MFC_V5_BIT | MFC_V6_BIT | MFC_V7_BIT | 110 MFC_V8_BIT, 111 }, 112 { 113 .name = "MPEG4 Encoded Stream", 114 .fourcc = V4L2_PIX_FMT_MPEG4, 115 .codec_mode = S5P_MFC_CODEC_MPEG4_DEC, 116 .type = MFC_FMT_DEC, 117 .num_planes = 1, 118 .versions = MFC_V5_BIT | MFC_V6_BIT | MFC_V7_BIT | 119 MFC_V8_BIT, 120 }, 121 { 122 .name = "XviD Encoded Stream", 123 .fourcc = V4L2_PIX_FMT_XVID, 124 .codec_mode = S5P_MFC_CODEC_MPEG4_DEC, 125 .type = MFC_FMT_DEC, 126 .num_planes = 1, 127 .versions = MFC_V5_BIT | MFC_V6_BIT | MFC_V7_BIT | 128 MFC_V8_BIT, 129 }, 130 { 131 .name = "VC1 Encoded Stream", 132 .fourcc = V4L2_PIX_FMT_VC1_ANNEX_G, 133 .codec_mode = S5P_MFC_CODEC_VC1_DEC, 134 .type = MFC_FMT_DEC, 135 .num_planes = 1, 136 .versions = MFC_V5_BIT | MFC_V6_BIT | MFC_V7_BIT | 137 MFC_V8_BIT, 138 }, 139 { 140 .name = "VC1 RCV Encoded Stream", 141 .fourcc = V4L2_PIX_FMT_VC1_ANNEX_L, 142 .codec_mode = S5P_MFC_CODEC_VC1RCV_DEC, 143 .type = MFC_FMT_DEC, 144 .num_planes = 1, 145 .versions = MFC_V5_BIT | MFC_V6_BIT | MFC_V7_BIT | 146 MFC_V8_BIT, 147 }, 148 { 149 .name = "VP8 Encoded Stream", 150 .fourcc = V4L2_PIX_FMT_VP8, 151 .codec_mode = S5P_MFC_CODEC_VP8_DEC, 152 .type = MFC_FMT_DEC, 153 .num_planes = 1, 154 .versions = MFC_V6_BIT | MFC_V7_BIT | MFC_V8_BIT, 155 }, 156}; 157 158#define NUM_FORMATS ARRAY_SIZE(formats) 159 160/* Find selected format description */ 161static struct s5p_mfc_fmt *find_format(struct v4l2_format *f, unsigned int t) 162{ 163 unsigned int i; 164 165 for (i = 0; i < NUM_FORMATS; i++) { 166 if (formats[i].fourcc == f->fmt.pix_mp.pixelformat && 167 formats[i].type == t) 168 return &formats[i]; 169 } 170 return NULL; 171} 172 173static struct mfc_control controls[] = { 174 { 175 .id = V4L2_CID_MPEG_MFC51_VIDEO_DECODER_H264_DISPLAY_DELAY, 176 .type = V4L2_CTRL_TYPE_INTEGER, 177 .name = "H264 Display Delay", 178 .minimum = 0, 179 .maximum = 16383, 180 .step = 1, 181 .default_value = 0, 182 }, 183 { 184 .id = V4L2_CID_MPEG_MFC51_VIDEO_DECODER_H264_DISPLAY_DELAY_ENABLE, 185 .type = V4L2_CTRL_TYPE_BOOLEAN, 186 .name = "H264 Display Delay Enable", 187 .minimum = 0, 188 .maximum = 1, 189 .step = 1, 190 .default_value = 0, 191 }, 192 { 193 .id = V4L2_CID_MPEG_VIDEO_DECODER_MPEG4_DEBLOCK_FILTER, 194 .type = V4L2_CTRL_TYPE_BOOLEAN, 195 .name = "Mpeg4 Loop Filter Enable", 196 .minimum = 0, 197 .maximum = 1, 198 .step = 1, 199 .default_value = 0, 200 }, 201 { 202 .id = V4L2_CID_MPEG_VIDEO_DECODER_SLICE_INTERFACE, 203 .type = V4L2_CTRL_TYPE_BOOLEAN, 204 .name = "Slice Interface Enable", 205 .minimum = 0, 206 .maximum = 1, 207 .step = 1, 208 .default_value = 0, 209 }, 210 { 211 .id = V4L2_CID_MIN_BUFFERS_FOR_CAPTURE, 212 .type = V4L2_CTRL_TYPE_INTEGER, 213 .name = "Minimum number of cap bufs", 214 .minimum = 1, 215 .maximum = 32, 216 .step = 1, 217 .default_value = 1, 218 .is_volatile = 1, 219 }, 220}; 221 222#define NUM_CTRLS ARRAY_SIZE(controls) 223 224/* Check whether a context should be run on hardware */ 225static int s5p_mfc_ctx_ready(struct s5p_mfc_ctx *ctx) 226{ 227 /* Context is to parse header */ 228 if (ctx->src_queue_cnt >= 1 && ctx->state == MFCINST_GOT_INST) 229 return 1; 230 /* Context is to decode a frame */ 231 if (ctx->src_queue_cnt >= 1 && 232 ctx->state == MFCINST_RUNNING && 233 ctx->dst_queue_cnt >= ctx->pb_count) 234 return 1; 235 /* Context is to return last frame */ 236 if (ctx->state == MFCINST_FINISHING && 237 ctx->dst_queue_cnt >= ctx->pb_count) 238 return 1; 239 /* Context is to set buffers */ 240 if (ctx->src_queue_cnt >= 1 && 241 ctx->state == MFCINST_HEAD_PARSED && 242 ctx->capture_state == QUEUE_BUFS_MMAPED) 243 return 1; 244 /* Resolution change */ 245 if ((ctx->state == MFCINST_RES_CHANGE_INIT || 246 ctx->state == MFCINST_RES_CHANGE_FLUSH) && 247 ctx->dst_queue_cnt >= ctx->pb_count) 248 return 1; 249 if (ctx->state == MFCINST_RES_CHANGE_END && 250 ctx->src_queue_cnt >= 1) 251 return 1; 252 mfc_debug(2, "ctx is not ready\n"); 253 return 0; 254} 255 256static struct s5p_mfc_codec_ops decoder_codec_ops = { 257 .pre_seq_start = NULL, 258 .post_seq_start = NULL, 259 .pre_frame_start = NULL, 260 .post_frame_start = NULL, 261}; 262 263/* Query capabilities of the device */ 264static int vidioc_querycap(struct file *file, void *priv, 265 struct v4l2_capability *cap) 266{ 267 struct s5p_mfc_dev *dev = video_drvdata(file); 268 269 strncpy(cap->driver, dev->plat_dev->name, sizeof(cap->driver) - 1); 270 strncpy(cap->card, dev->plat_dev->name, sizeof(cap->card) - 1); 271 cap->bus_info[0] = 0; 272 cap->version = KERNEL_VERSION(1, 0, 0); 273 /* 274 * This is only a mem-to-mem video device. The capture and output 275 * device capability flags are left only for backward compatibility 276 * and are scheduled for removal. 277 */ 278 cap->capabilities = V4L2_CAP_VIDEO_M2M_MPLANE | V4L2_CAP_STREAMING | 279 V4L2_CAP_VIDEO_CAPTURE_MPLANE | 280 V4L2_CAP_VIDEO_OUTPUT_MPLANE; 281 return 0; 282} 283 284/* Enumerate format */ 285static int vidioc_enum_fmt(struct file *file, struct v4l2_fmtdesc *f, 286 bool mplane, bool out) 287{ 288 struct s5p_mfc_dev *dev = video_drvdata(file); 289 struct s5p_mfc_fmt *fmt; 290 int i, j = 0; 291 292 for (i = 0; i < ARRAY_SIZE(formats); ++i) { 293 if (mplane && formats[i].num_planes == 1) 294 continue; 295 else if (!mplane && formats[i].num_planes > 1) 296 continue; 297 if (out && formats[i].type != MFC_FMT_DEC) 298 continue; 299 else if (!out && formats[i].type != MFC_FMT_RAW) 300 continue; 301 else if ((dev->variant->version_bit & formats[i].versions) == 0) 302 continue; 303 304 if (j == f->index) 305 break; 306 ++j; 307 } 308 if (i == ARRAY_SIZE(formats)) 309 return -EINVAL; 310 fmt = &formats[i]; 311 strlcpy(f->description, fmt->name, sizeof(f->description)); 312 f->pixelformat = fmt->fourcc; 313 return 0; 314} 315 316static int vidioc_enum_fmt_vid_cap(struct file *file, void *pirv, 317 struct v4l2_fmtdesc *f) 318{ 319 return vidioc_enum_fmt(file, f, false, false); 320} 321 322static int vidioc_enum_fmt_vid_cap_mplane(struct file *file, void *pirv, 323 struct v4l2_fmtdesc *f) 324{ 325 return vidioc_enum_fmt(file, f, true, false); 326} 327 328static int vidioc_enum_fmt_vid_out(struct file *file, void *priv, 329 struct v4l2_fmtdesc *f) 330{ 331 return vidioc_enum_fmt(file, f, false, true); 332} 333 334static int vidioc_enum_fmt_vid_out_mplane(struct file *file, void *priv, 335 struct v4l2_fmtdesc *f) 336{ 337 return vidioc_enum_fmt(file, f, true, true); 338} 339 340/* Get format */ 341static int vidioc_g_fmt(struct file *file, void *priv, struct v4l2_format *f) 342{ 343 struct s5p_mfc_ctx *ctx = fh_to_ctx(priv); 344 struct v4l2_pix_format_mplane *pix_mp; 345 346 mfc_debug_enter(); 347 pix_mp = &f->fmt.pix_mp; 348 if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE && 349 (ctx->state == MFCINST_GOT_INST || ctx->state == 350 MFCINST_RES_CHANGE_END)) { 351 /* If the MFC is parsing the header, 352 * so wait until it is finished */ 353 s5p_mfc_clean_ctx_int_flags(ctx); 354 s5p_mfc_wait_for_done_ctx(ctx, S5P_MFC_R2H_CMD_SEQ_DONE_RET, 355 0); 356 } 357 if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE && 358 ctx->state >= MFCINST_HEAD_PARSED && 359 ctx->state < MFCINST_ABORT) { 360 /* This is run on CAPTURE (decode output) */ 361 /* Width and height are set to the dimensions 362 of the movie, the buffer is bigger and 363 further processing stages should crop to this 364 rectangle. */ 365 pix_mp->width = ctx->buf_width; 366 pix_mp->height = ctx->buf_height; 367 pix_mp->field = V4L2_FIELD_NONE; 368 pix_mp->num_planes = 2; 369 /* Set pixelformat to the format in which MFC 370 outputs the decoded frame */ 371 pix_mp->pixelformat = ctx->dst_fmt->fourcc; 372 pix_mp->plane_fmt[0].bytesperline = ctx->buf_width; 373 pix_mp->plane_fmt[0].sizeimage = ctx->luma_size; 374 pix_mp->plane_fmt[1].bytesperline = ctx->buf_width; 375 pix_mp->plane_fmt[1].sizeimage = ctx->chroma_size; 376 } else if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) { 377 /* This is run on OUTPUT 378 The buffer contains compressed image 379 so width and height have no meaning */ 380 pix_mp->width = 0; 381 pix_mp->height = 0; 382 pix_mp->field = V4L2_FIELD_NONE; 383 pix_mp->plane_fmt[0].bytesperline = ctx->dec_src_buf_size; 384 pix_mp->plane_fmt[0].sizeimage = ctx->dec_src_buf_size; 385 pix_mp->pixelformat = ctx->src_fmt->fourcc; 386 pix_mp->num_planes = ctx->src_fmt->num_planes; 387 } else { 388 mfc_err("Format could not be read\n"); 389 mfc_debug(2, "%s-- with error\n", __func__); 390 return -EINVAL; 391 } 392 mfc_debug_leave(); 393 return 0; 394} 395 396/* Try format */ 397static int vidioc_try_fmt(struct file *file, void *priv, struct v4l2_format *f) 398{ 399 struct s5p_mfc_dev *dev = video_drvdata(file); 400 struct s5p_mfc_fmt *fmt; 401 402 mfc_debug(2, "Type is %d\n", f->type); 403 if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) { 404 fmt = find_format(f, MFC_FMT_DEC); 405 if (!fmt) { 406 mfc_err("Unsupported format for source.\n"); 407 return -EINVAL; 408 } 409 if (fmt->codec_mode == S5P_FIMV_CODEC_NONE) { 410 mfc_err("Unknown codec\n"); 411 return -EINVAL; 412 } 413 if ((dev->variant->version_bit & fmt->versions) == 0) { 414 mfc_err("Unsupported format by this MFC version.\n"); 415 return -EINVAL; 416 } 417 } else if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) { 418 fmt = find_format(f, MFC_FMT_RAW); 419 if (!fmt) { 420 mfc_err("Unsupported format for destination.\n"); 421 return -EINVAL; 422 } 423 if ((dev->variant->version_bit & fmt->versions) == 0) { 424 mfc_err("Unsupported format by this MFC version.\n"); 425 return -EINVAL; 426 } 427 } 428 429 return 0; 430} 431 432/* Set format */ 433static int vidioc_s_fmt(struct file *file, void *priv, struct v4l2_format *f) 434{ 435 struct s5p_mfc_dev *dev = video_drvdata(file); 436 struct s5p_mfc_ctx *ctx = fh_to_ctx(priv); 437 int ret = 0; 438 struct v4l2_pix_format_mplane *pix_mp; 439 440 mfc_debug_enter(); 441 ret = vidioc_try_fmt(file, priv, f); 442 pix_mp = &f->fmt.pix_mp; 443 if (ret) 444 return ret; 445 if (ctx->vq_src.streaming || ctx->vq_dst.streaming) { 446 v4l2_err(&dev->v4l2_dev, "%s queue busy\n", __func__); 447 ret = -EBUSY; 448 goto out; 449 } 450 if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) { 451 /* dst_fmt is validated by call to vidioc_try_fmt */ 452 ctx->dst_fmt = find_format(f, MFC_FMT_RAW); 453 ret = 0; 454 goto out; 455 } else if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) { 456 /* src_fmt is validated by call to vidioc_try_fmt */ 457 ctx->src_fmt = find_format(f, MFC_FMT_DEC); 458 ctx->codec_mode = ctx->src_fmt->codec_mode; 459 mfc_debug(2, "The codec number is: %d\n", ctx->codec_mode); 460 pix_mp->height = 0; 461 pix_mp->width = 0; 462 if (pix_mp->plane_fmt[0].sizeimage) 463 ctx->dec_src_buf_size = pix_mp->plane_fmt[0].sizeimage; 464 else 465 pix_mp->plane_fmt[0].sizeimage = ctx->dec_src_buf_size = 466 DEF_CPB_SIZE; 467 pix_mp->plane_fmt[0].bytesperline = 0; 468 ctx->state = MFCINST_INIT; 469 ret = 0; 470 goto out; 471 } else { 472 mfc_err("Wrong type error for S_FMT : %d", f->type); 473 ret = -EINVAL; 474 goto out; 475 } 476 477out: 478 mfc_debug_leave(); 479 return ret; 480} 481 482static int reqbufs_output(struct s5p_mfc_dev *dev, struct s5p_mfc_ctx *ctx, 483 struct v4l2_requestbuffers *reqbufs) 484{ 485 int ret = 0; 486 487 s5p_mfc_clock_on(); 488 489 if (reqbufs->count == 0) { 490 mfc_debug(2, "Freeing buffers\n"); 491 ret = vb2_reqbufs(&ctx->vq_src, reqbufs); 492 if (ret) 493 goto out; 494 s5p_mfc_close_mfc_inst(dev, ctx); 495 ctx->src_bufs_cnt = 0; 496 ctx->output_state = QUEUE_FREE; 497 } else if (ctx->output_state == QUEUE_FREE) { 498 /* Can only request buffers when we have a valid format set. */ 499 WARN_ON(ctx->src_bufs_cnt != 0); 500 if (ctx->state != MFCINST_INIT) { 501 mfc_err("Reqbufs called in an invalid state\n"); 502 ret = -EINVAL; 503 goto out; 504 } 505 506 mfc_debug(2, "Allocating %d buffers for OUTPUT queue\n", 507 reqbufs->count); 508 ret = vb2_reqbufs(&ctx->vq_src, reqbufs); 509 if (ret) 510 goto out; 511 512 ret = s5p_mfc_open_mfc_inst(dev, ctx); 513 if (ret) { 514 reqbufs->count = 0; 515 vb2_reqbufs(&ctx->vq_src, reqbufs); 516 goto out; 517 } 518 519 ctx->output_state = QUEUE_BUFS_REQUESTED; 520 } else { 521 mfc_err("Buffers have already been requested\n"); 522 ret = -EINVAL; 523 } 524out: 525 s5p_mfc_clock_off(); 526 if (ret) 527 mfc_err("Failed allocating buffers for OUTPUT queue\n"); 528 return ret; 529} 530 531static int reqbufs_capture(struct s5p_mfc_dev *dev, struct s5p_mfc_ctx *ctx, 532 struct v4l2_requestbuffers *reqbufs) 533{ 534 int ret = 0; 535 536 s5p_mfc_clock_on(); 537 538 if (reqbufs->count == 0) { 539 mfc_debug(2, "Freeing buffers\n"); 540 ret = vb2_reqbufs(&ctx->vq_dst, reqbufs); 541 if (ret) 542 goto out; 543 s5p_mfc_hw_call(dev->mfc_ops, release_codec_buffers, ctx); 544 ctx->dst_bufs_cnt = 0; 545 } else if (ctx->capture_state == QUEUE_FREE) { 546 WARN_ON(ctx->dst_bufs_cnt != 0); 547 mfc_debug(2, "Allocating %d buffers for CAPTURE queue\n", 548 reqbufs->count); 549 ret = vb2_reqbufs(&ctx->vq_dst, reqbufs); 550 if (ret) 551 goto out; 552 553 ctx->capture_state = QUEUE_BUFS_REQUESTED; 554 ctx->total_dpb_count = reqbufs->count; 555 556 ret = s5p_mfc_hw_call(dev->mfc_ops, alloc_codec_buffers, ctx); 557 if (ret) { 558 mfc_err("Failed to allocate decoding buffers\n"); 559 reqbufs->count = 0; 560 vb2_reqbufs(&ctx->vq_dst, reqbufs); 561 ret = -ENOMEM; 562 ctx->capture_state = QUEUE_FREE; 563 goto out; 564 } 565 566 WARN_ON(ctx->dst_bufs_cnt != ctx->total_dpb_count); 567 ctx->capture_state = QUEUE_BUFS_MMAPED; 568 569 if (s5p_mfc_ctx_ready(ctx)) 570 set_work_bit_irqsave(ctx); 571 s5p_mfc_hw_call(dev->mfc_ops, try_run, dev); 572 s5p_mfc_wait_for_done_ctx(ctx, S5P_MFC_R2H_CMD_INIT_BUFFERS_RET, 573 0); 574 } else { 575 mfc_err("Buffers have already been requested\n"); 576 ret = -EINVAL; 577 } 578out: 579 s5p_mfc_clock_off(); 580 if (ret) 581 mfc_err("Failed allocating buffers for CAPTURE queue\n"); 582 return ret; 583} 584 585/* Reqeust buffers */ 586static int vidioc_reqbufs(struct file *file, void *priv, 587 struct v4l2_requestbuffers *reqbufs) 588{ 589 struct s5p_mfc_dev *dev = video_drvdata(file); 590 struct s5p_mfc_ctx *ctx = fh_to_ctx(priv); 591 592 if (reqbufs->memory != V4L2_MEMORY_MMAP) { 593 mfc_err("Only V4L2_MEMORY_MAP is supported\n"); 594 return -EINVAL; 595 } 596 597 if (reqbufs->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) { 598 return reqbufs_output(dev, ctx, reqbufs); 599 } else if (reqbufs->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) { 600 return reqbufs_capture(dev, ctx, reqbufs); 601 } else { 602 mfc_err("Invalid type requested\n"); 603 return -EINVAL; 604 } 605} 606 607/* Query buffer */ 608static int vidioc_querybuf(struct file *file, void *priv, 609 struct v4l2_buffer *buf) 610{ 611 struct s5p_mfc_ctx *ctx = fh_to_ctx(priv); 612 int ret; 613 int i; 614 615 if (buf->memory != V4L2_MEMORY_MMAP) { 616 mfc_err("Only mmaped buffers can be used\n"); 617 return -EINVAL; 618 } 619 mfc_debug(2, "State: %d, buf->type: %d\n", ctx->state, buf->type); 620 if (ctx->state == MFCINST_GOT_INST && 621 buf->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) { 622 ret = vb2_querybuf(&ctx->vq_src, buf); 623 } else if (ctx->state == MFCINST_RUNNING && 624 buf->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) { 625 ret = vb2_querybuf(&ctx->vq_dst, buf); 626 for (i = 0; i < buf->length; i++) 627 buf->m.planes[i].m.mem_offset += DST_QUEUE_OFF_BASE; 628 } else { 629 mfc_err("vidioc_querybuf called in an inappropriate state\n"); 630 ret = -EINVAL; 631 } 632 mfc_debug_leave(); 633 return ret; 634} 635 636/* Queue a buffer */ 637static int vidioc_qbuf(struct file *file, void *priv, struct v4l2_buffer *buf) 638{ 639 struct s5p_mfc_ctx *ctx = fh_to_ctx(priv); 640 641 if (ctx->state == MFCINST_ERROR) { 642 mfc_err("Call on QBUF after unrecoverable error\n"); 643 return -EIO; 644 } 645 if (buf->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) 646 return vb2_qbuf(&ctx->vq_src, buf); 647 else if (buf->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) 648 return vb2_qbuf(&ctx->vq_dst, buf); 649 return -EINVAL; 650} 651 652/* Dequeue a buffer */ 653static int vidioc_dqbuf(struct file *file, void *priv, struct v4l2_buffer *buf) 654{ 655 const struct v4l2_event ev = { 656 .type = V4L2_EVENT_EOS 657 }; 658 struct s5p_mfc_ctx *ctx = fh_to_ctx(priv); 659 int ret; 660 661 if (ctx->state == MFCINST_ERROR) { 662 mfc_err("Call on DQBUF after unrecoverable error\n"); 663 return -EIO; 664 } 665 if (buf->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) 666 ret = vb2_dqbuf(&ctx->vq_src, buf, file->f_flags & O_NONBLOCK); 667 else if (buf->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) { 668 ret = vb2_dqbuf(&ctx->vq_dst, buf, file->f_flags & O_NONBLOCK); 669 if (ret == 0 && ctx->state == MFCINST_FINISHED && 670 list_empty(&ctx->vq_dst.done_list)) 671 v4l2_event_queue_fh(&ctx->fh, &ev); 672 } else { 673 ret = -EINVAL; 674 } 675 return ret; 676} 677 678/* Export DMA buffer */ 679static int vidioc_expbuf(struct file *file, void *priv, 680 struct v4l2_exportbuffer *eb) 681{ 682 struct s5p_mfc_ctx *ctx = fh_to_ctx(priv); 683 684 if (eb->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) 685 return vb2_expbuf(&ctx->vq_src, eb); 686 if (eb->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) 687 return vb2_expbuf(&ctx->vq_dst, eb); 688 return -EINVAL; 689} 690 691/* Stream on */ 692static int vidioc_streamon(struct file *file, void *priv, 693 enum v4l2_buf_type type) 694{ 695 struct s5p_mfc_ctx *ctx = fh_to_ctx(priv); 696 int ret = -EINVAL; 697 698 mfc_debug_enter(); 699 if (type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) 700 ret = vb2_streamon(&ctx->vq_src, type); 701 else if (type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) 702 ret = vb2_streamon(&ctx->vq_dst, type); 703 mfc_debug_leave(); 704 return ret; 705} 706 707/* Stream off, which equals to a pause */ 708static int vidioc_streamoff(struct file *file, void *priv, 709 enum v4l2_buf_type type) 710{ 711 struct s5p_mfc_ctx *ctx = fh_to_ctx(priv); 712 713 if (type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) 714 return vb2_streamoff(&ctx->vq_src, type); 715 else if (type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) 716 return vb2_streamoff(&ctx->vq_dst, type); 717 return -EINVAL; 718} 719 720/* Set controls - v4l2 control framework */ 721static int s5p_mfc_dec_s_ctrl(struct v4l2_ctrl *ctrl) 722{ 723 struct s5p_mfc_ctx *ctx = ctrl_to_ctx(ctrl); 724 725 switch (ctrl->id) { 726 case V4L2_CID_MPEG_MFC51_VIDEO_DECODER_H264_DISPLAY_DELAY: 727 ctx->display_delay = ctrl->val; 728 break; 729 case V4L2_CID_MPEG_MFC51_VIDEO_DECODER_H264_DISPLAY_DELAY_ENABLE: 730 ctx->display_delay_enable = ctrl->val; 731 break; 732 case V4L2_CID_MPEG_VIDEO_DECODER_MPEG4_DEBLOCK_FILTER: 733 ctx->loop_filter_mpeg4 = ctrl->val; 734 break; 735 case V4L2_CID_MPEG_VIDEO_DECODER_SLICE_INTERFACE: 736 ctx->slice_interface = ctrl->val; 737 break; 738 default: 739 mfc_err("Invalid control 0x%08x\n", ctrl->id); 740 return -EINVAL; 741 } 742 return 0; 743} 744 745static int s5p_mfc_dec_g_v_ctrl(struct v4l2_ctrl *ctrl) 746{ 747 struct s5p_mfc_ctx *ctx = ctrl_to_ctx(ctrl); 748 struct s5p_mfc_dev *dev = ctx->dev; 749 750 switch (ctrl->id) { 751 case V4L2_CID_MIN_BUFFERS_FOR_CAPTURE: 752 if (ctx->state >= MFCINST_HEAD_PARSED && 753 ctx->state < MFCINST_ABORT) { 754 ctrl->val = ctx->pb_count; 755 break; 756 } else if (ctx->state != MFCINST_INIT) { 757 v4l2_err(&dev->v4l2_dev, "Decoding not initialised\n"); 758 return -EINVAL; 759 } 760 /* Should wait for the header to be parsed */ 761 s5p_mfc_clean_ctx_int_flags(ctx); 762 s5p_mfc_wait_for_done_ctx(ctx, 763 S5P_MFC_R2H_CMD_SEQ_DONE_RET, 0); 764 if (ctx->state >= MFCINST_HEAD_PARSED && 765 ctx->state < MFCINST_ABORT) { 766 ctrl->val = ctx->pb_count; 767 } else { 768 v4l2_err(&dev->v4l2_dev, "Decoding not initialised\n"); 769 return -EINVAL; 770 } 771 break; 772 } 773 return 0; 774} 775 776 777static const struct v4l2_ctrl_ops s5p_mfc_dec_ctrl_ops = { 778 .s_ctrl = s5p_mfc_dec_s_ctrl, 779 .g_volatile_ctrl = s5p_mfc_dec_g_v_ctrl, 780}; 781 782/* Get cropping information */ 783static int vidioc_g_crop(struct file *file, void *priv, 784 struct v4l2_crop *cr) 785{ 786 struct s5p_mfc_ctx *ctx = fh_to_ctx(priv); 787 struct s5p_mfc_dev *dev = ctx->dev; 788 u32 left, right, top, bottom; 789 790 if (ctx->state != MFCINST_HEAD_PARSED && 791 ctx->state != MFCINST_RUNNING && ctx->state != MFCINST_FINISHING 792 && ctx->state != MFCINST_FINISHED) { 793 mfc_err("Cannont set crop\n"); 794 return -EINVAL; 795 } 796 if (ctx->src_fmt->fourcc == V4L2_PIX_FMT_H264) { 797 left = s5p_mfc_hw_call(dev->mfc_ops, get_crop_info_h, ctx); 798 right = left >> S5P_FIMV_SHARED_CROP_RIGHT_SHIFT; 799 left = left & S5P_FIMV_SHARED_CROP_LEFT_MASK; 800 top = s5p_mfc_hw_call(dev->mfc_ops, get_crop_info_v, ctx); 801 bottom = top >> S5P_FIMV_SHARED_CROP_BOTTOM_SHIFT; 802 top = top & S5P_FIMV_SHARED_CROP_TOP_MASK; 803 cr->c.left = left; 804 cr->c.top = top; 805 cr->c.width = ctx->img_width - left - right; 806 cr->c.height = ctx->img_height - top - bottom; 807 mfc_debug(2, "Cropping info [h264]: l=%d t=%d " 808 "w=%d h=%d (r=%d b=%d fw=%d fh=%d\n", left, top, 809 cr->c.width, cr->c.height, right, bottom, 810 ctx->buf_width, ctx->buf_height); 811 } else { 812 cr->c.left = 0; 813 cr->c.top = 0; 814 cr->c.width = ctx->img_width; 815 cr->c.height = ctx->img_height; 816 mfc_debug(2, "Cropping info: w=%d h=%d fw=%d " 817 "fh=%d\n", cr->c.width, cr->c.height, ctx->buf_width, 818 ctx->buf_height); 819 } 820 return 0; 821} 822 823int vidioc_decoder_cmd(struct file *file, void *priv, 824 struct v4l2_decoder_cmd *cmd) 825{ 826 struct s5p_mfc_ctx *ctx = fh_to_ctx(priv); 827 struct s5p_mfc_dev *dev = ctx->dev; 828 struct s5p_mfc_buf *buf; 829 unsigned long flags; 830 831 switch (cmd->cmd) { 832 case V4L2_ENC_CMD_STOP: 833 if (cmd->flags != 0) 834 return -EINVAL; 835 836 if (!ctx->vq_src.streaming) 837 return -EINVAL; 838 839 spin_lock_irqsave(&dev->irqlock, flags); 840 if (list_empty(&ctx->src_queue)) { 841 mfc_err("EOS: empty src queue, entering finishing state"); 842 ctx->state = MFCINST_FINISHING; 843 if (s5p_mfc_ctx_ready(ctx)) 844 set_work_bit_irqsave(ctx); 845 spin_unlock_irqrestore(&dev->irqlock, flags); 846 s5p_mfc_hw_call(dev->mfc_ops, try_run, dev); 847 } else { 848 mfc_err("EOS: marking last buffer of stream"); 849 buf = list_entry(ctx->src_queue.prev, 850 struct s5p_mfc_buf, list); 851 if (buf->flags & MFC_BUF_FLAG_USED) 852 ctx->state = MFCINST_FINISHING; 853 else 854 buf->flags |= MFC_BUF_FLAG_EOS; 855 spin_unlock_irqrestore(&dev->irqlock, flags); 856 } 857 break; 858 default: 859 return -EINVAL; 860 } 861 return 0; 862} 863 864static int vidioc_subscribe_event(struct v4l2_fh *fh, 865 const struct v4l2_event_subscription *sub) 866{ 867 switch (sub->type) { 868 case V4L2_EVENT_EOS: 869 return v4l2_event_subscribe(fh, sub, 2, NULL); 870 default: 871 return -EINVAL; 872 } 873} 874 875 876/* v4l2_ioctl_ops */ 877static const struct v4l2_ioctl_ops s5p_mfc_dec_ioctl_ops = { 878 .vidioc_querycap = vidioc_querycap, 879 .vidioc_enum_fmt_vid_cap = vidioc_enum_fmt_vid_cap, 880 .vidioc_enum_fmt_vid_cap_mplane = vidioc_enum_fmt_vid_cap_mplane, 881 .vidioc_enum_fmt_vid_out = vidioc_enum_fmt_vid_out, 882 .vidioc_enum_fmt_vid_out_mplane = vidioc_enum_fmt_vid_out_mplane, 883 .vidioc_g_fmt_vid_cap_mplane = vidioc_g_fmt, 884 .vidioc_g_fmt_vid_out_mplane = vidioc_g_fmt, 885 .vidioc_try_fmt_vid_cap_mplane = vidioc_try_fmt, 886 .vidioc_try_fmt_vid_out_mplane = vidioc_try_fmt, 887 .vidioc_s_fmt_vid_cap_mplane = vidioc_s_fmt, 888 .vidioc_s_fmt_vid_out_mplane = vidioc_s_fmt, 889 .vidioc_reqbufs = vidioc_reqbufs, 890 .vidioc_querybuf = vidioc_querybuf, 891 .vidioc_qbuf = vidioc_qbuf, 892 .vidioc_dqbuf = vidioc_dqbuf, 893 .vidioc_expbuf = vidioc_expbuf, 894 .vidioc_streamon = vidioc_streamon, 895 .vidioc_streamoff = vidioc_streamoff, 896 .vidioc_g_crop = vidioc_g_crop, 897 .vidioc_decoder_cmd = vidioc_decoder_cmd, 898 .vidioc_subscribe_event = vidioc_subscribe_event, 899 .vidioc_unsubscribe_event = v4l2_event_unsubscribe, 900}; 901 902static int s5p_mfc_queue_setup(struct vb2_queue *vq, 903 const struct v4l2_format *fmt, unsigned int *buf_count, 904 unsigned int *plane_count, unsigned int psize[], 905 void *allocators[]) 906{ 907 struct s5p_mfc_ctx *ctx = fh_to_ctx(vq->drv_priv); 908 struct s5p_mfc_dev *dev = ctx->dev; 909 910 /* Video output for decoding (source) 911 * this can be set after getting an instance */ 912 if (ctx->state == MFCINST_INIT && 913 vq->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) { 914 /* A single plane is required for input */ 915 *plane_count = 1; 916 if (*buf_count < 1) 917 *buf_count = 1; 918 if (*buf_count > MFC_MAX_BUFFERS) 919 *buf_count = MFC_MAX_BUFFERS; 920 /* Video capture for decoding (destination) 921 * this can be set after the header was parsed */ 922 } else if (ctx->state == MFCINST_HEAD_PARSED && 923 vq->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) { 924 /* Output plane count is 2 - one for Y and one for CbCr */ 925 *plane_count = 2; 926 /* Setup buffer count */ 927 if (*buf_count < ctx->pb_count) 928 *buf_count = ctx->pb_count; 929 if (*buf_count > ctx->pb_count + MFC_MAX_EXTRA_DPB) 930 *buf_count = ctx->pb_count + MFC_MAX_EXTRA_DPB; 931 if (*buf_count > MFC_MAX_BUFFERS) 932 *buf_count = MFC_MAX_BUFFERS; 933 } else { 934 mfc_err("State seems invalid. State = %d, vq->type = %d\n", 935 ctx->state, vq->type); 936 return -EINVAL; 937 } 938 mfc_debug(2, "Buffer count=%d, plane count=%d\n", 939 *buf_count, *plane_count); 940 if (ctx->state == MFCINST_HEAD_PARSED && 941 vq->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) { 942 psize[0] = ctx->luma_size; 943 psize[1] = ctx->chroma_size; 944 945 if (IS_MFCV6_PLUS(dev)) 946 allocators[0] = 947 ctx->dev->alloc_ctx[MFC_BANK1_ALLOC_CTX]; 948 else 949 allocators[0] = 950 ctx->dev->alloc_ctx[MFC_BANK2_ALLOC_CTX]; 951 allocators[1] = ctx->dev->alloc_ctx[MFC_BANK1_ALLOC_CTX]; 952 } else if (vq->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE && 953 ctx->state == MFCINST_INIT) { 954 psize[0] = ctx->dec_src_buf_size; 955 allocators[0] = ctx->dev->alloc_ctx[MFC_BANK1_ALLOC_CTX]; 956 } else { 957 mfc_err("This video node is dedicated to decoding. Decoding not initialized\n"); 958 return -EINVAL; 959 } 960 return 0; 961} 962 963static void s5p_mfc_unlock(struct vb2_queue *q) 964{ 965 struct s5p_mfc_ctx *ctx = fh_to_ctx(q->drv_priv); 966 struct s5p_mfc_dev *dev = ctx->dev; 967 968 mutex_unlock(&dev->mfc_mutex); 969} 970 971static void s5p_mfc_lock(struct vb2_queue *q) 972{ 973 struct s5p_mfc_ctx *ctx = fh_to_ctx(q->drv_priv); 974 struct s5p_mfc_dev *dev = ctx->dev; 975 976 mutex_lock(&dev->mfc_mutex); 977} 978 979static int s5p_mfc_buf_init(struct vb2_buffer *vb) 980{ 981 struct vb2_queue *vq = vb->vb2_queue; 982 struct s5p_mfc_ctx *ctx = fh_to_ctx(vq->drv_priv); 983 unsigned int i; 984 985 if (vq->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) { 986 if (ctx->capture_state == QUEUE_BUFS_MMAPED) 987 return 0; 988 for (i = 0; i <= ctx->src_fmt->num_planes ; i++) { 989 if (IS_ERR_OR_NULL(ERR_PTR( 990 vb2_dma_contig_plane_dma_addr(vb, i)))) { 991 mfc_err("Plane mem not allocated\n"); 992 return -EINVAL; 993 } 994 } 995 if (vb2_plane_size(vb, 0) < ctx->luma_size || 996 vb2_plane_size(vb, 1) < ctx->chroma_size) { 997 mfc_err("Plane buffer (CAPTURE) is too small\n"); 998 return -EINVAL; 999 } 1000 i = vb->v4l2_buf.index; 1001 ctx->dst_bufs[i].b = vb; 1002 ctx->dst_bufs[i].cookie.raw.luma = 1003 vb2_dma_contig_plane_dma_addr(vb, 0); 1004 ctx->dst_bufs[i].cookie.raw.chroma = 1005 vb2_dma_contig_plane_dma_addr(vb, 1); 1006 ctx->dst_bufs_cnt++; 1007 } else if (vq->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) { 1008 if (IS_ERR_OR_NULL(ERR_PTR( 1009 vb2_dma_contig_plane_dma_addr(vb, 0)))) { 1010 mfc_err("Plane memory not allocated\n"); 1011 return -EINVAL; 1012 } 1013 if (vb2_plane_size(vb, 0) < ctx->dec_src_buf_size) { 1014 mfc_err("Plane buffer (OUTPUT) is too small\n"); 1015 return -EINVAL; 1016 } 1017 1018 i = vb->v4l2_buf.index; 1019 ctx->src_bufs[i].b = vb; 1020 ctx->src_bufs[i].cookie.stream = 1021 vb2_dma_contig_plane_dma_addr(vb, 0); 1022 ctx->src_bufs_cnt++; 1023 } else { 1024 mfc_err("s5p_mfc_buf_init: unknown queue type\n"); 1025 return -EINVAL; 1026 } 1027 return 0; 1028} 1029 1030static int s5p_mfc_start_streaming(struct vb2_queue *q, unsigned int count) 1031{ 1032 struct s5p_mfc_ctx *ctx = fh_to_ctx(q->drv_priv); 1033 struct s5p_mfc_dev *dev = ctx->dev; 1034 1035 v4l2_ctrl_handler_setup(&ctx->ctrl_handler); 1036 if (ctx->state == MFCINST_FINISHING || 1037 ctx->state == MFCINST_FINISHED) 1038 ctx->state = MFCINST_RUNNING; 1039 /* If context is ready then dev = work->data;schedule it to run */ 1040 if (s5p_mfc_ctx_ready(ctx)) 1041 set_work_bit_irqsave(ctx); 1042 s5p_mfc_hw_call(dev->mfc_ops, try_run, dev); 1043 return 0; 1044} 1045 1046static void s5p_mfc_stop_streaming(struct vb2_queue *q) 1047{ 1048 unsigned long flags; 1049 struct s5p_mfc_ctx *ctx = fh_to_ctx(q->drv_priv); 1050 struct s5p_mfc_dev *dev = ctx->dev; 1051 int aborted = 0; 1052 1053 if ((ctx->state == MFCINST_FINISHING || 1054 ctx->state == MFCINST_RUNNING) && 1055 dev->curr_ctx == ctx->num && dev->hw_lock) { 1056 ctx->state = MFCINST_ABORT; 1057 s5p_mfc_wait_for_done_ctx(ctx, 1058 S5P_MFC_R2H_CMD_FRAME_DONE_RET, 0); 1059 aborted = 1; 1060 } 1061 if (q->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) { 1062 spin_lock_irqsave(&dev->irqlock, flags); 1063 s5p_mfc_hw_call(dev->mfc_ops, cleanup_queue, &ctx->dst_queue, 1064 &ctx->vq_dst); 1065 INIT_LIST_HEAD(&ctx->dst_queue); 1066 ctx->dst_queue_cnt = 0; 1067 ctx->dpb_flush_flag = 1; 1068 ctx->dec_dst_flag = 0; 1069 spin_unlock_irqrestore(&dev->irqlock, flags); 1070 if (IS_MFCV6_PLUS(dev) && (ctx->state == MFCINST_RUNNING)) { 1071 ctx->state = MFCINST_FLUSH; 1072 set_work_bit_irqsave(ctx); 1073 s5p_mfc_clean_ctx_int_flags(ctx); 1074 s5p_mfc_hw_call(dev->mfc_ops, try_run, dev); 1075 if (s5p_mfc_wait_for_done_ctx(ctx, 1076 S5P_MFC_R2H_CMD_DPB_FLUSH_RET, 0)) 1077 mfc_err("Err flushing buffers\n"); 1078 } 1079 } 1080 if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) { 1081 spin_lock_irqsave(&dev->irqlock, flags); 1082 s5p_mfc_hw_call(dev->mfc_ops, cleanup_queue, &ctx->src_queue, 1083 &ctx->vq_src); 1084 INIT_LIST_HEAD(&ctx->src_queue); 1085 ctx->src_queue_cnt = 0; 1086 spin_unlock_irqrestore(&dev->irqlock, flags); 1087 } 1088 if (aborted) 1089 ctx->state = MFCINST_RUNNING; 1090} 1091 1092 1093static void s5p_mfc_buf_queue(struct vb2_buffer *vb) 1094{ 1095 struct vb2_queue *vq = vb->vb2_queue; 1096 struct s5p_mfc_ctx *ctx = fh_to_ctx(vq->drv_priv); 1097 struct s5p_mfc_dev *dev = ctx->dev; 1098 unsigned long flags; 1099 struct s5p_mfc_buf *mfc_buf; 1100 1101 if (vq->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) { 1102 mfc_buf = &ctx->src_bufs[vb->v4l2_buf.index]; 1103 mfc_buf->flags &= ~MFC_BUF_FLAG_USED; 1104 spin_lock_irqsave(&dev->irqlock, flags); 1105 list_add_tail(&mfc_buf->list, &ctx->src_queue); 1106 ctx->src_queue_cnt++; 1107 spin_unlock_irqrestore(&dev->irqlock, flags); 1108 } else if (vq->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) { 1109 mfc_buf = &ctx->dst_bufs[vb->v4l2_buf.index]; 1110 mfc_buf->flags &= ~MFC_BUF_FLAG_USED; 1111 /* Mark destination as available for use by MFC */ 1112 spin_lock_irqsave(&dev->irqlock, flags); 1113 set_bit(vb->v4l2_buf.index, &ctx->dec_dst_flag); 1114 list_add_tail(&mfc_buf->list, &ctx->dst_queue); 1115 ctx->dst_queue_cnt++; 1116 spin_unlock_irqrestore(&dev->irqlock, flags); 1117 } else { 1118 mfc_err("Unsupported buffer type (%d)\n", vq->type); 1119 } 1120 if (s5p_mfc_ctx_ready(ctx)) 1121 set_work_bit_irqsave(ctx); 1122 s5p_mfc_hw_call(dev->mfc_ops, try_run, dev); 1123} 1124 1125static struct vb2_ops s5p_mfc_dec_qops = { 1126 .queue_setup = s5p_mfc_queue_setup, 1127 .wait_prepare = s5p_mfc_unlock, 1128 .wait_finish = s5p_mfc_lock, 1129 .buf_init = s5p_mfc_buf_init, 1130 .start_streaming = s5p_mfc_start_streaming, 1131 .stop_streaming = s5p_mfc_stop_streaming, 1132 .buf_queue = s5p_mfc_buf_queue, 1133}; 1134 1135struct s5p_mfc_codec_ops *get_dec_codec_ops(void) 1136{ 1137 return &decoder_codec_ops; 1138} 1139 1140struct vb2_ops *get_dec_queue_ops(void) 1141{ 1142 return &s5p_mfc_dec_qops; 1143} 1144 1145const struct v4l2_ioctl_ops *get_dec_v4l2_ioctl_ops(void) 1146{ 1147 return &s5p_mfc_dec_ioctl_ops; 1148} 1149 1150#define IS_MFC51_PRIV(x) ((V4L2_CTRL_ID2CLASS(x) == V4L2_CTRL_CLASS_MPEG) \ 1151 && V4L2_CTRL_DRIVER_PRIV(x)) 1152 1153int s5p_mfc_dec_ctrls_setup(struct s5p_mfc_ctx *ctx) 1154{ 1155 struct v4l2_ctrl_config cfg; 1156 int i; 1157 1158 v4l2_ctrl_handler_init(&ctx->ctrl_handler, NUM_CTRLS); 1159 if (ctx->ctrl_handler.error) { 1160 mfc_err("v4l2_ctrl_handler_init failed\n"); 1161 return ctx->ctrl_handler.error; 1162 } 1163 1164 for (i = 0; i < NUM_CTRLS; i++) { 1165 if (IS_MFC51_PRIV(controls[i].id)) { 1166 memset(&cfg, 0, sizeof(struct v4l2_ctrl_config)); 1167 cfg.ops = &s5p_mfc_dec_ctrl_ops; 1168 cfg.id = controls[i].id; 1169 cfg.min = controls[i].minimum; 1170 cfg.max = controls[i].maximum; 1171 cfg.def = controls[i].default_value; 1172 cfg.name = controls[i].name; 1173 cfg.type = controls[i].type; 1174 1175 cfg.step = controls[i].step; 1176 cfg.menu_skip_mask = 0; 1177 1178 ctx->ctrls[i] = v4l2_ctrl_new_custom(&ctx->ctrl_handler, 1179 &cfg, NULL); 1180 } else { 1181 ctx->ctrls[i] = v4l2_ctrl_new_std(&ctx->ctrl_handler, 1182 &s5p_mfc_dec_ctrl_ops, 1183 controls[i].id, controls[i].minimum, 1184 controls[i].maximum, controls[i].step, 1185 controls[i].default_value); 1186 } 1187 if (ctx->ctrl_handler.error) { 1188 mfc_err("Adding control (%d) failed\n", i); 1189 return ctx->ctrl_handler.error; 1190 } 1191 if (controls[i].is_volatile && ctx->ctrls[i]) 1192 ctx->ctrls[i]->flags |= V4L2_CTRL_FLAG_VOLATILE; 1193 } 1194 return 0; 1195} 1196 1197void s5p_mfc_dec_ctrls_delete(struct s5p_mfc_ctx *ctx) 1198{ 1199 int i; 1200 1201 v4l2_ctrl_handler_free(&ctx->ctrl_handler); 1202 for (i = 0; i < NUM_CTRLS; i++) 1203 ctx->ctrls[i] = NULL; 1204} 1205 1206void s5p_mfc_dec_init(struct s5p_mfc_ctx *ctx) 1207{ 1208 struct v4l2_format f; 1209 f.fmt.pix_mp.pixelformat = V4L2_PIX_FMT_H264; 1210 ctx->src_fmt = find_format(&f, MFC_FMT_DEC); 1211 if (IS_MFCV8(ctx->dev)) 1212 f.fmt.pix_mp.pixelformat = V4L2_PIX_FMT_NV12M; 1213 else if (IS_MFCV6_PLUS(ctx->dev)) 1214 f.fmt.pix_mp.pixelformat = V4L2_PIX_FMT_NV12MT_16X16; 1215 else 1216 f.fmt.pix_mp.pixelformat = V4L2_PIX_FMT_NV12MT; 1217 ctx->dst_fmt = find_format(&f, MFC_FMT_RAW); 1218 mfc_debug(2, "Default src_fmt is %x, dest_fmt is %x\n", 1219 (unsigned int)ctx->src_fmt, (unsigned int)ctx->dst_fmt); 1220} 1221 1222