s5p_mfc_dec.c revision 722b979e555d002ca97c9254a91ff3bc5e83763c
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_debug.h" 29#include "s5p_mfc_dec.h" 30#include "s5p_mfc_intr.h" 31#include "s5p_mfc_opr.h" 32#include "s5p_mfc_pm.h" 33 34#define DEF_SRC_FMT_DEC V4L2_PIX_FMT_H264 35#define DEF_DST_FMT_DEC V4L2_PIX_FMT_NV12MT_16X16 36 37static struct s5p_mfc_fmt formats[] = { 38 { 39 .name = "4:2:0 2 Planes 16x16 Tiles", 40 .fourcc = V4L2_PIX_FMT_NV12MT_16X16, 41 .codec_mode = S5P_MFC_CODEC_NONE, 42 .type = MFC_FMT_RAW, 43 .num_planes = 2, 44 }, 45 { 46 .name = "4:2:0 2 Planes 64x32 Tiles", 47 .fourcc = V4L2_PIX_FMT_NV12MT, 48 .codec_mode = S5P_MFC_CODEC_NONE, 49 .type = MFC_FMT_RAW, 50 .num_planes = 2, 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 }, 59 { 60 .name = "4:2:0 2 Planes Y/CrCb", 61 .fourcc = V4L2_PIX_FMT_NV21M, 62 .codec_mode = S5P_MFC_CODEC_NONE, 63 .type = MFC_FMT_RAW, 64 .num_planes = 2, 65 }, 66 { 67 .name = "H264 Encoded Stream", 68 .fourcc = V4L2_PIX_FMT_H264, 69 .codec_mode = S5P_MFC_CODEC_H264_DEC, 70 .type = MFC_FMT_DEC, 71 .num_planes = 1, 72 }, 73 { 74 .name = "H264/MVC Encoded Stream", 75 .fourcc = V4L2_PIX_FMT_H264_MVC, 76 .codec_mode = S5P_MFC_CODEC_H264_MVC_DEC, 77 .type = MFC_FMT_DEC, 78 .num_planes = 1, 79 }, 80 { 81 .name = "H263 Encoded Stream", 82 .fourcc = V4L2_PIX_FMT_H263, 83 .codec_mode = S5P_MFC_CODEC_H263_DEC, 84 .type = MFC_FMT_DEC, 85 .num_planes = 1, 86 }, 87 { 88 .name = "MPEG1 Encoded Stream", 89 .fourcc = V4L2_PIX_FMT_MPEG1, 90 .codec_mode = S5P_MFC_CODEC_MPEG2_DEC, 91 .type = MFC_FMT_DEC, 92 .num_planes = 1, 93 }, 94 { 95 .name = "MPEG2 Encoded Stream", 96 .fourcc = V4L2_PIX_FMT_MPEG2, 97 .codec_mode = S5P_MFC_CODEC_MPEG2_DEC, 98 .type = MFC_FMT_DEC, 99 .num_planes = 1, 100 }, 101 { 102 .name = "MPEG4 Encoded Stream", 103 .fourcc = V4L2_PIX_FMT_MPEG4, 104 .codec_mode = S5P_MFC_CODEC_MPEG4_DEC, 105 .type = MFC_FMT_DEC, 106 .num_planes = 1, 107 }, 108 { 109 .name = "XviD Encoded Stream", 110 .fourcc = V4L2_PIX_FMT_XVID, 111 .codec_mode = S5P_MFC_CODEC_MPEG4_DEC, 112 .type = MFC_FMT_DEC, 113 .num_planes = 1, 114 }, 115 { 116 .name = "VC1 Encoded Stream", 117 .fourcc = V4L2_PIX_FMT_VC1_ANNEX_G, 118 .codec_mode = S5P_MFC_CODEC_VC1_DEC, 119 .type = MFC_FMT_DEC, 120 .num_planes = 1, 121 }, 122 { 123 .name = "VC1 RCV Encoded Stream", 124 .fourcc = V4L2_PIX_FMT_VC1_ANNEX_L, 125 .codec_mode = S5P_MFC_CODEC_VC1RCV_DEC, 126 .type = MFC_FMT_DEC, 127 .num_planes = 1, 128 }, 129 { 130 .name = "VP8 Encoded Stream", 131 .fourcc = V4L2_PIX_FMT_VP8, 132 .codec_mode = S5P_MFC_CODEC_VP8_DEC, 133 .type = MFC_FMT_DEC, 134 .num_planes = 1, 135 }, 136}; 137 138#define NUM_FORMATS ARRAY_SIZE(formats) 139 140/* Find selected format description */ 141static struct s5p_mfc_fmt *find_format(struct v4l2_format *f, unsigned int t) 142{ 143 unsigned int i; 144 145 for (i = 0; i < NUM_FORMATS; i++) { 146 if (formats[i].fourcc == f->fmt.pix_mp.pixelformat && 147 formats[i].type == t) 148 return &formats[i]; 149 } 150 return NULL; 151} 152 153static struct mfc_control controls[] = { 154 { 155 .id = V4L2_CID_MPEG_MFC51_VIDEO_DECODER_H264_DISPLAY_DELAY, 156 .type = V4L2_CTRL_TYPE_INTEGER, 157 .name = "H264 Display Delay", 158 .minimum = 0, 159 .maximum = 16383, 160 .step = 1, 161 .default_value = 0, 162 }, 163 { 164 .id = V4L2_CID_MPEG_MFC51_VIDEO_DECODER_H264_DISPLAY_DELAY_ENABLE, 165 .type = V4L2_CTRL_TYPE_BOOLEAN, 166 .name = "H264 Display Delay Enable", 167 .minimum = 0, 168 .maximum = 1, 169 .step = 1, 170 .default_value = 0, 171 }, 172 { 173 .id = V4L2_CID_MPEG_VIDEO_DECODER_MPEG4_DEBLOCK_FILTER, 174 .type = V4L2_CTRL_TYPE_BOOLEAN, 175 .name = "Mpeg4 Loop Filter Enable", 176 .minimum = 0, 177 .maximum = 1, 178 .step = 1, 179 .default_value = 0, 180 }, 181 { 182 .id = V4L2_CID_MPEG_VIDEO_DECODER_SLICE_INTERFACE, 183 .type = V4L2_CTRL_TYPE_BOOLEAN, 184 .name = "Slice Interface Enable", 185 .minimum = 0, 186 .maximum = 1, 187 .step = 1, 188 .default_value = 0, 189 }, 190 { 191 .id = V4L2_CID_MIN_BUFFERS_FOR_CAPTURE, 192 .type = V4L2_CTRL_TYPE_INTEGER, 193 .name = "Minimum number of cap bufs", 194 .minimum = 1, 195 .maximum = 32, 196 .step = 1, 197 .default_value = 1, 198 .is_volatile = 1, 199 }, 200}; 201 202#define NUM_CTRLS ARRAY_SIZE(controls) 203 204/* Check whether a context should be run on hardware */ 205static int s5p_mfc_ctx_ready(struct s5p_mfc_ctx *ctx) 206{ 207 /* Context is to parse header */ 208 if (ctx->src_queue_cnt >= 1 && ctx->state == MFCINST_GOT_INST) 209 return 1; 210 /* Context is to decode a frame */ 211 if (ctx->src_queue_cnt >= 1 && 212 ctx->state == MFCINST_RUNNING && 213 ctx->dst_queue_cnt >= ctx->pb_count) 214 return 1; 215 /* Context is to return last frame */ 216 if (ctx->state == MFCINST_FINISHING && 217 ctx->dst_queue_cnt >= ctx->pb_count) 218 return 1; 219 /* Context is to set buffers */ 220 if (ctx->src_queue_cnt >= 1 && 221 ctx->state == MFCINST_HEAD_PARSED && 222 ctx->capture_state == QUEUE_BUFS_MMAPED) 223 return 1; 224 /* Resolution change */ 225 if ((ctx->state == MFCINST_RES_CHANGE_INIT || 226 ctx->state == MFCINST_RES_CHANGE_FLUSH) && 227 ctx->dst_queue_cnt >= ctx->pb_count) 228 return 1; 229 if (ctx->state == MFCINST_RES_CHANGE_END && 230 ctx->src_queue_cnt >= 1) 231 return 1; 232 mfc_debug(2, "ctx is not ready\n"); 233 return 0; 234} 235 236static struct s5p_mfc_codec_ops decoder_codec_ops = { 237 .pre_seq_start = NULL, 238 .post_seq_start = NULL, 239 .pre_frame_start = NULL, 240 .post_frame_start = NULL, 241}; 242 243/* Query capabilities of the device */ 244static int vidioc_querycap(struct file *file, void *priv, 245 struct v4l2_capability *cap) 246{ 247 struct s5p_mfc_dev *dev = video_drvdata(file); 248 249 strncpy(cap->driver, dev->plat_dev->name, sizeof(cap->driver) - 1); 250 strncpy(cap->card, dev->plat_dev->name, sizeof(cap->card) - 1); 251 cap->bus_info[0] = 0; 252 cap->version = KERNEL_VERSION(1, 0, 0); 253 /* 254 * This is only a mem-to-mem video device. The capture and output 255 * device capability flags are left only for backward compatibility 256 * and are scheduled for removal. 257 */ 258 cap->capabilities = V4L2_CAP_VIDEO_M2M_MPLANE | V4L2_CAP_STREAMING | 259 V4L2_CAP_VIDEO_CAPTURE_MPLANE | 260 V4L2_CAP_VIDEO_OUTPUT_MPLANE; 261 return 0; 262} 263 264/* Enumerate format */ 265static int vidioc_enum_fmt(struct v4l2_fmtdesc *f, bool mplane, bool out) 266{ 267 struct s5p_mfc_fmt *fmt; 268 int i, j = 0; 269 270 for (i = 0; i < ARRAY_SIZE(formats); ++i) { 271 if (mplane && formats[i].num_planes == 1) 272 continue; 273 else if (!mplane && formats[i].num_planes > 1) 274 continue; 275 if (out && formats[i].type != MFC_FMT_DEC) 276 continue; 277 else if (!out && formats[i].type != MFC_FMT_RAW) 278 continue; 279 280 if (j == f->index) 281 break; 282 ++j; 283 } 284 if (i == ARRAY_SIZE(formats)) 285 return -EINVAL; 286 fmt = &formats[i]; 287 strlcpy(f->description, fmt->name, sizeof(f->description)); 288 f->pixelformat = fmt->fourcc; 289 return 0; 290} 291 292static int vidioc_enum_fmt_vid_cap(struct file *file, void *pirv, 293 struct v4l2_fmtdesc *f) 294{ 295 return vidioc_enum_fmt(f, false, false); 296} 297 298static int vidioc_enum_fmt_vid_cap_mplane(struct file *file, void *pirv, 299 struct v4l2_fmtdesc *f) 300{ 301 return vidioc_enum_fmt(f, true, false); 302} 303 304static int vidioc_enum_fmt_vid_out(struct file *file, void *prov, 305 struct v4l2_fmtdesc *f) 306{ 307 return vidioc_enum_fmt(f, false, true); 308} 309 310static int vidioc_enum_fmt_vid_out_mplane(struct file *file, void *prov, 311 struct v4l2_fmtdesc *f) 312{ 313 return vidioc_enum_fmt(f, true, true); 314} 315 316/* Get format */ 317static int vidioc_g_fmt(struct file *file, void *priv, struct v4l2_format *f) 318{ 319 struct s5p_mfc_ctx *ctx = fh_to_ctx(priv); 320 struct v4l2_pix_format_mplane *pix_mp; 321 322 mfc_debug_enter(); 323 pix_mp = &f->fmt.pix_mp; 324 if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE && 325 (ctx->state == MFCINST_GOT_INST || ctx->state == 326 MFCINST_RES_CHANGE_END)) { 327 /* If the MFC is parsing the header, 328 * so wait until it is finished */ 329 s5p_mfc_clean_ctx_int_flags(ctx); 330 s5p_mfc_wait_for_done_ctx(ctx, S5P_MFC_R2H_CMD_SEQ_DONE_RET, 331 0); 332 } 333 if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE && 334 ctx->state >= MFCINST_HEAD_PARSED && 335 ctx->state < MFCINST_ABORT) { 336 /* This is run on CAPTURE (decode output) */ 337 /* Width and height are set to the dimensions 338 of the movie, the buffer is bigger and 339 further processing stages should crop to this 340 rectangle. */ 341 pix_mp->width = ctx->buf_width; 342 pix_mp->height = ctx->buf_height; 343 pix_mp->field = V4L2_FIELD_NONE; 344 pix_mp->num_planes = 2; 345 /* Set pixelformat to the format in which MFC 346 outputs the decoded frame */ 347 pix_mp->pixelformat = V4L2_PIX_FMT_NV12MT; 348 pix_mp->plane_fmt[0].bytesperline = ctx->buf_width; 349 pix_mp->plane_fmt[0].sizeimage = ctx->luma_size; 350 pix_mp->plane_fmt[1].bytesperline = ctx->buf_width; 351 pix_mp->plane_fmt[1].sizeimage = ctx->chroma_size; 352 } else if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) { 353 /* This is run on OUTPUT 354 The buffer contains compressed image 355 so width and height have no meaning */ 356 pix_mp->width = 0; 357 pix_mp->height = 0; 358 pix_mp->field = V4L2_FIELD_NONE; 359 pix_mp->plane_fmt[0].bytesperline = ctx->dec_src_buf_size; 360 pix_mp->plane_fmt[0].sizeimage = ctx->dec_src_buf_size; 361 pix_mp->pixelformat = ctx->src_fmt->fourcc; 362 pix_mp->num_planes = ctx->src_fmt->num_planes; 363 } else { 364 mfc_err("Format could not be read\n"); 365 mfc_debug(2, "%s-- with error\n", __func__); 366 return -EINVAL; 367 } 368 mfc_debug_leave(); 369 return 0; 370} 371 372/* Try format */ 373static int vidioc_try_fmt(struct file *file, void *priv, struct v4l2_format *f) 374{ 375 struct s5p_mfc_dev *dev = video_drvdata(file); 376 struct s5p_mfc_fmt *fmt; 377 378 mfc_debug(2, "Type is %d\n", f->type); 379 if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) { 380 fmt = find_format(f, MFC_FMT_DEC); 381 if (!fmt) { 382 mfc_err("Unsupported format for source.\n"); 383 return -EINVAL; 384 } 385 if (!IS_MFCV6_PLUS(dev) && (fmt->fourcc == V4L2_PIX_FMT_VP8)) { 386 mfc_err("Not supported format.\n"); 387 return -EINVAL; 388 } 389 } else if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) { 390 fmt = find_format(f, MFC_FMT_RAW); 391 if (!fmt) { 392 mfc_err("Unsupported format for destination.\n"); 393 return -EINVAL; 394 } 395 if (IS_MFCV6_PLUS(dev) && 396 (fmt->fourcc == V4L2_PIX_FMT_NV12MT)) { 397 mfc_err("Not supported format.\n"); 398 return -EINVAL; 399 } else if (!IS_MFCV6_PLUS(dev) && 400 (fmt->fourcc != V4L2_PIX_FMT_NV12MT)) { 401 mfc_err("Not supported format.\n"); 402 return -EINVAL; 403 } 404 } 405 406 return 0; 407} 408 409/* Set format */ 410static int vidioc_s_fmt(struct file *file, void *priv, struct v4l2_format *f) 411{ 412 struct s5p_mfc_dev *dev = video_drvdata(file); 413 struct s5p_mfc_ctx *ctx = fh_to_ctx(priv); 414 int ret = 0; 415 struct s5p_mfc_fmt *fmt; 416 struct v4l2_pix_format_mplane *pix_mp; 417 418 mfc_debug_enter(); 419 ret = vidioc_try_fmt(file, priv, f); 420 pix_mp = &f->fmt.pix_mp; 421 if (ret) 422 return ret; 423 if (ctx->vq_src.streaming || ctx->vq_dst.streaming) { 424 v4l2_err(&dev->v4l2_dev, "%s queue busy\n", __func__); 425 ret = -EBUSY; 426 goto out; 427 } 428 if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) { 429 fmt = find_format(f, MFC_FMT_RAW); 430 if (!fmt) { 431 mfc_err("Unsupported format for source.\n"); 432 return -EINVAL; 433 } 434 if (!IS_MFCV6_PLUS(dev) && 435 (fmt->fourcc != V4L2_PIX_FMT_NV12MT)) { 436 mfc_err("Not supported format.\n"); 437 return -EINVAL; 438 } else if (IS_MFCV6_PLUS(dev) && 439 (fmt->fourcc == V4L2_PIX_FMT_NV12MT)) { 440 mfc_err("Not supported format.\n"); 441 return -EINVAL; 442 } 443 ctx->dst_fmt = fmt; 444 mfc_debug_leave(); 445 return ret; 446 } else if (f->type != V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) { 447 mfc_err("Wrong type error for S_FMT : %d", f->type); 448 return -EINVAL; 449 } 450 fmt = find_format(f, MFC_FMT_DEC); 451 if (!fmt || fmt->codec_mode == S5P_MFC_CODEC_NONE) { 452 mfc_err("Unknown codec\n"); 453 ret = -EINVAL; 454 goto out; 455 } 456 if (fmt->type != MFC_FMT_DEC) { 457 mfc_err("Wrong format selected, you should choose " 458 "format for decoding\n"); 459 ret = -EINVAL; 460 goto out; 461 } 462 if (!IS_MFCV6_PLUS(dev) && (fmt->fourcc == V4L2_PIX_FMT_VP8)) { 463 mfc_err("Not supported format.\n"); 464 return -EINVAL; 465 } 466 ctx->src_fmt = fmt; 467 ctx->codec_mode = fmt->codec_mode; 468 mfc_debug(2, "The codec number is: %d\n", ctx->codec_mode); 469 pix_mp->height = 0; 470 pix_mp->width = 0; 471 if (pix_mp->plane_fmt[0].sizeimage) 472 ctx->dec_src_buf_size = pix_mp->plane_fmt[0].sizeimage; 473 else 474 pix_mp->plane_fmt[0].sizeimage = ctx->dec_src_buf_size = 475 DEF_CPB_SIZE; 476 pix_mp->plane_fmt[0].bytesperline = 0; 477 ctx->state = MFCINST_INIT; 478out: 479 mfc_debug_leave(); 480 return ret; 481} 482 483/* Reqeust buffers */ 484static int vidioc_reqbufs(struct file *file, void *priv, 485 struct v4l2_requestbuffers *reqbufs) 486{ 487 struct s5p_mfc_dev *dev = video_drvdata(file); 488 struct s5p_mfc_ctx *ctx = fh_to_ctx(priv); 489 int ret = 0; 490 491 if (reqbufs->memory != V4L2_MEMORY_MMAP) { 492 mfc_err("Only V4L2_MEMORY_MAP is supported\n"); 493 return -EINVAL; 494 } 495 if (reqbufs->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) { 496 /* Can only request buffers after an instance has been opened.*/ 497 if (ctx->state == MFCINST_INIT) { 498 ctx->src_bufs_cnt = 0; 499 if (reqbufs->count == 0) { 500 mfc_debug(2, "Freeing buffers\n"); 501 s5p_mfc_clock_on(); 502 ret = vb2_reqbufs(&ctx->vq_src, reqbufs); 503 s5p_mfc_clock_off(); 504 return ret; 505 } 506 /* Decoding */ 507 if (ctx->output_state != QUEUE_FREE) { 508 mfc_err("Bufs have already been requested\n"); 509 return -EINVAL; 510 } 511 s5p_mfc_clock_on(); 512 ret = vb2_reqbufs(&ctx->vq_src, reqbufs); 513 s5p_mfc_clock_off(); 514 if (ret) { 515 mfc_err("vb2_reqbufs on output failed\n"); 516 return ret; 517 } 518 mfc_debug(2, "vb2_reqbufs: %d\n", ret); 519 ctx->output_state = QUEUE_BUFS_REQUESTED; 520 } 521 } else if (reqbufs->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) { 522 ctx->dst_bufs_cnt = 0; 523 if (reqbufs->count == 0) { 524 mfc_debug(2, "Freeing buffers\n"); 525 s5p_mfc_clock_on(); 526 ret = vb2_reqbufs(&ctx->vq_dst, reqbufs); 527 s5p_mfc_clock_off(); 528 return ret; 529 } 530 if (ctx->capture_state != QUEUE_FREE) { 531 mfc_err("Bufs have already been requested\n"); 532 return -EINVAL; 533 } 534 ctx->capture_state = QUEUE_BUFS_REQUESTED; 535 s5p_mfc_clock_on(); 536 ret = vb2_reqbufs(&ctx->vq_dst, reqbufs); 537 s5p_mfc_clock_off(); 538 if (ret) { 539 mfc_err("vb2_reqbufs on capture failed\n"); 540 return ret; 541 } 542 if (reqbufs->count < ctx->pb_count) { 543 mfc_err("Not enough buffers allocated\n"); 544 reqbufs->count = 0; 545 s5p_mfc_clock_on(); 546 ret = vb2_reqbufs(&ctx->vq_dst, reqbufs); 547 s5p_mfc_clock_off(); 548 return -ENOMEM; 549 } 550 ctx->total_dpb_count = reqbufs->count; 551 ret = s5p_mfc_hw_call(dev->mfc_ops, alloc_codec_buffers, ctx); 552 if (ret) { 553 mfc_err("Failed to allocate decoding buffers\n"); 554 reqbufs->count = 0; 555 s5p_mfc_clock_on(); 556 ret = vb2_reqbufs(&ctx->vq_dst, reqbufs); 557 s5p_mfc_clock_off(); 558 return -ENOMEM; 559 } 560 if (ctx->dst_bufs_cnt == ctx->total_dpb_count) { 561 ctx->capture_state = QUEUE_BUFS_MMAPED; 562 } else { 563 mfc_err("Not all buffers passed to buf_init\n"); 564 reqbufs->count = 0; 565 s5p_mfc_clock_on(); 566 ret = vb2_reqbufs(&ctx->vq_dst, reqbufs); 567 s5p_mfc_hw_call(dev->mfc_ops, release_codec_buffers, 568 ctx); 569 s5p_mfc_clock_off(); 570 return -ENOMEM; 571 } 572 if (s5p_mfc_ctx_ready(ctx)) 573 set_work_bit_irqsave(ctx); 574 s5p_mfc_hw_call(dev->mfc_ops, try_run, dev); 575 s5p_mfc_wait_for_done_ctx(ctx, 576 S5P_MFC_R2H_CMD_INIT_BUFFERS_RET, 0); 577 } 578 return ret; 579} 580 581/* Query buffer */ 582static int vidioc_querybuf(struct file *file, void *priv, 583 struct v4l2_buffer *buf) 584{ 585 struct s5p_mfc_ctx *ctx = fh_to_ctx(priv); 586 int ret; 587 int i; 588 589 if (buf->memory != V4L2_MEMORY_MMAP) { 590 mfc_err("Only mmaped buffers can be used\n"); 591 return -EINVAL; 592 } 593 mfc_debug(2, "State: %d, buf->type: %d\n", ctx->state, buf->type); 594 if (ctx->state == MFCINST_INIT && 595 buf->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) { 596 ret = vb2_querybuf(&ctx->vq_src, buf); 597 } else if (ctx->state == MFCINST_RUNNING && 598 buf->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) { 599 ret = vb2_querybuf(&ctx->vq_dst, buf); 600 for (i = 0; i < buf->length; i++) 601 buf->m.planes[i].m.mem_offset += DST_QUEUE_OFF_BASE; 602 } else { 603 mfc_err("vidioc_querybuf called in an inappropriate state\n"); 604 ret = -EINVAL; 605 } 606 mfc_debug_leave(); 607 return ret; 608} 609 610/* Queue a buffer */ 611static int vidioc_qbuf(struct file *file, void *priv, struct v4l2_buffer *buf) 612{ 613 struct s5p_mfc_ctx *ctx = fh_to_ctx(priv); 614 615 if (ctx->state == MFCINST_ERROR) { 616 mfc_err("Call on QBUF after unrecoverable error\n"); 617 return -EIO; 618 } 619 if (buf->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) 620 return vb2_qbuf(&ctx->vq_src, buf); 621 else if (buf->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) 622 return vb2_qbuf(&ctx->vq_dst, buf); 623 return -EINVAL; 624} 625 626/* Dequeue a buffer */ 627static int vidioc_dqbuf(struct file *file, void *priv, struct v4l2_buffer *buf) 628{ 629 const struct v4l2_event ev = { 630 .type = V4L2_EVENT_EOS 631 }; 632 struct s5p_mfc_ctx *ctx = fh_to_ctx(priv); 633 int ret; 634 635 if (ctx->state == MFCINST_ERROR) { 636 mfc_err("Call on DQBUF after unrecoverable error\n"); 637 return -EIO; 638 } 639 if (buf->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) 640 ret = vb2_dqbuf(&ctx->vq_src, buf, file->f_flags & O_NONBLOCK); 641 else if (buf->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) { 642 ret = vb2_dqbuf(&ctx->vq_dst, buf, file->f_flags & O_NONBLOCK); 643 if (ret == 0 && ctx->state == MFCINST_FINISHED && 644 list_empty(&ctx->vq_dst.done_list)) 645 v4l2_event_queue_fh(&ctx->fh, &ev); 646 } else { 647 ret = -EINVAL; 648 } 649 return ret; 650} 651 652/* Export DMA buffer */ 653static int vidioc_expbuf(struct file *file, void *priv, 654 struct v4l2_exportbuffer *eb) 655{ 656 struct s5p_mfc_ctx *ctx = fh_to_ctx(priv); 657 658 if (eb->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) 659 return vb2_expbuf(&ctx->vq_src, eb); 660 if (eb->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) 661 return vb2_expbuf(&ctx->vq_dst, eb); 662 return -EINVAL; 663} 664 665/* Stream on */ 666static int vidioc_streamon(struct file *file, void *priv, 667 enum v4l2_buf_type type) 668{ 669 struct s5p_mfc_ctx *ctx = fh_to_ctx(priv); 670 struct s5p_mfc_dev *dev = ctx->dev; 671 int ret = -EINVAL; 672 673 mfc_debug_enter(); 674 if (type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) { 675 676 if (ctx->state == MFCINST_INIT) { 677 ctx->dst_bufs_cnt = 0; 678 ctx->src_bufs_cnt = 0; 679 ctx->capture_state = QUEUE_FREE; 680 ctx->output_state = QUEUE_FREE; 681 s5p_mfc_hw_call(dev->mfc_ops, alloc_instance_buffer, 682 ctx); 683 s5p_mfc_hw_call(dev->mfc_ops, alloc_dec_temp_buffers, 684 ctx); 685 set_work_bit_irqsave(ctx); 686 s5p_mfc_clean_ctx_int_flags(ctx); 687 s5p_mfc_hw_call(dev->mfc_ops, try_run, dev); 688 689 if (s5p_mfc_wait_for_done_ctx(ctx, 690 S5P_MFC_R2H_CMD_OPEN_INSTANCE_RET, 0)) { 691 /* Error or timeout */ 692 mfc_err("Error getting instance from hardware\n"); 693 s5p_mfc_hw_call(dev->mfc_ops, 694 release_instance_buffer, ctx); 695 s5p_mfc_hw_call(dev->mfc_ops, 696 release_dec_desc_buffer, ctx); 697 return -EIO; 698 } 699 mfc_debug(2, "Got instance number: %d\n", ctx->inst_no); 700 } 701 ret = vb2_streamon(&ctx->vq_src, type); 702 } 703 else if (type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) 704 ret = vb2_streamon(&ctx->vq_dst, type); 705 mfc_debug_leave(); 706 return ret; 707} 708 709/* Stream off, which equals to a pause */ 710static int vidioc_streamoff(struct file *file, void *priv, 711 enum v4l2_buf_type type) 712{ 713 struct s5p_mfc_ctx *ctx = fh_to_ctx(priv); 714 715 if (type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) 716 return vb2_streamoff(&ctx->vq_src, type); 717 else if (type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) 718 return vb2_streamoff(&ctx->vq_dst, type); 719 return -EINVAL; 720} 721 722/* Set controls - v4l2 control framework */ 723static int s5p_mfc_dec_s_ctrl(struct v4l2_ctrl *ctrl) 724{ 725 struct s5p_mfc_ctx *ctx = ctrl_to_ctx(ctrl); 726 727 switch (ctrl->id) { 728 case V4L2_CID_MPEG_MFC51_VIDEO_DECODER_H264_DISPLAY_DELAY: 729 ctx->display_delay = ctrl->val; 730 break; 731 case V4L2_CID_MPEG_MFC51_VIDEO_DECODER_H264_DISPLAY_DELAY_ENABLE: 732 ctx->display_delay_enable = ctrl->val; 733 break; 734 case V4L2_CID_MPEG_VIDEO_DECODER_MPEG4_DEBLOCK_FILTER: 735 ctx->loop_filter_mpeg4 = ctrl->val; 736 break; 737 case V4L2_CID_MPEG_VIDEO_DECODER_SLICE_INTERFACE: 738 ctx->slice_interface = ctrl->val; 739 break; 740 default: 741 mfc_err("Invalid control 0x%08x\n", ctrl->id); 742 return -EINVAL; 743 } 744 return 0; 745} 746 747static int s5p_mfc_dec_g_v_ctrl(struct v4l2_ctrl *ctrl) 748{ 749 struct s5p_mfc_ctx *ctx = ctrl_to_ctx(ctrl); 750 struct s5p_mfc_dev *dev = ctx->dev; 751 752 switch (ctrl->id) { 753 case V4L2_CID_MIN_BUFFERS_FOR_CAPTURE: 754 if (ctx->state >= MFCINST_HEAD_PARSED && 755 ctx->state < MFCINST_ABORT) { 756 ctrl->val = ctx->pb_count; 757 break; 758 } else if (ctx->state != MFCINST_INIT) { 759 v4l2_err(&dev->v4l2_dev, "Decoding not initialised\n"); 760 return -EINVAL; 761 } 762 /* Should wait for the header to be parsed */ 763 s5p_mfc_clean_ctx_int_flags(ctx); 764 s5p_mfc_wait_for_done_ctx(ctx, 765 S5P_MFC_R2H_CMD_SEQ_DONE_RET, 0); 766 if (ctx->state >= MFCINST_HEAD_PARSED && 767 ctx->state < MFCINST_ABORT) { 768 ctrl->val = ctx->pb_count; 769 } else { 770 v4l2_err(&dev->v4l2_dev, "Decoding not initialised\n"); 771 return -EINVAL; 772 } 773 break; 774 } 775 return 0; 776} 777 778 779static const struct v4l2_ctrl_ops s5p_mfc_dec_ctrl_ops = { 780 .s_ctrl = s5p_mfc_dec_s_ctrl, 781 .g_volatile_ctrl = s5p_mfc_dec_g_v_ctrl, 782}; 783 784/* Get cropping information */ 785static int vidioc_g_crop(struct file *file, void *priv, 786 struct v4l2_crop *cr) 787{ 788 struct s5p_mfc_ctx *ctx = fh_to_ctx(priv); 789 struct s5p_mfc_dev *dev = ctx->dev; 790 u32 left, right, top, bottom; 791 792 if (ctx->state != MFCINST_HEAD_PARSED && 793 ctx->state != MFCINST_RUNNING && ctx->state != MFCINST_FINISHING 794 && ctx->state != MFCINST_FINISHED) { 795 mfc_err("Cannont set crop\n"); 796 return -EINVAL; 797 } 798 if (ctx->src_fmt->fourcc == V4L2_PIX_FMT_H264) { 799 left = s5p_mfc_hw_call(dev->mfc_ops, get_crop_info_h, ctx); 800 right = left >> S5P_FIMV_SHARED_CROP_RIGHT_SHIFT; 801 left = left & S5P_FIMV_SHARED_CROP_LEFT_MASK; 802 top = s5p_mfc_hw_call(dev->mfc_ops, get_crop_info_v, ctx); 803 bottom = top >> S5P_FIMV_SHARED_CROP_BOTTOM_SHIFT; 804 top = top & S5P_FIMV_SHARED_CROP_TOP_MASK; 805 cr->c.left = left; 806 cr->c.top = top; 807 cr->c.width = ctx->img_width - left - right; 808 cr->c.height = ctx->img_height - top - bottom; 809 mfc_debug(2, "Cropping info [h264]: l=%d t=%d " 810 "w=%d h=%d (r=%d b=%d fw=%d fh=%d\n", left, top, 811 cr->c.width, cr->c.height, right, bottom, 812 ctx->buf_width, ctx->buf_height); 813 } else { 814 cr->c.left = 0; 815 cr->c.top = 0; 816 cr->c.width = ctx->img_width; 817 cr->c.height = ctx->img_height; 818 mfc_debug(2, "Cropping info: w=%d h=%d fw=%d " 819 "fh=%d\n", cr->c.width, cr->c.height, ctx->buf_width, 820 ctx->buf_height); 821 } 822 return 0; 823} 824 825int vidioc_decoder_cmd(struct file *file, void *priv, 826 struct v4l2_decoder_cmd *cmd) 827{ 828 struct s5p_mfc_ctx *ctx = fh_to_ctx(priv); 829 struct s5p_mfc_dev *dev = ctx->dev; 830 struct s5p_mfc_buf *buf; 831 unsigned long flags; 832 833 switch (cmd->cmd) { 834 case V4L2_ENC_CMD_STOP: 835 if (cmd->flags != 0) 836 return -EINVAL; 837 838 if (!ctx->vq_src.streaming) 839 return -EINVAL; 840 841 spin_lock_irqsave(&dev->irqlock, flags); 842 if (list_empty(&ctx->src_queue)) { 843 mfc_err("EOS: empty src queue, entering finishing state"); 844 ctx->state = MFCINST_FINISHING; 845 if (s5p_mfc_ctx_ready(ctx)) 846 set_work_bit_irqsave(ctx); 847 spin_unlock_irqrestore(&dev->irqlock, flags); 848 s5p_mfc_hw_call(dev->mfc_ops, try_run, dev); 849 } else { 850 mfc_err("EOS: marking last buffer of stream"); 851 buf = list_entry(ctx->src_queue.prev, 852 struct s5p_mfc_buf, list); 853 if (buf->flags & MFC_BUF_FLAG_USED) 854 ctx->state = MFCINST_FINISHING; 855 else 856 buf->flags |= MFC_BUF_FLAG_EOS; 857 spin_unlock_irqrestore(&dev->irqlock, flags); 858 } 859 break; 860 default: 861 return -EINVAL; 862 } 863 return 0; 864} 865 866static int vidioc_subscribe_event(struct v4l2_fh *fh, 867 const struct v4l2_event_subscription *sub) 868{ 869 switch (sub->type) { 870 case V4L2_EVENT_EOS: 871 return v4l2_event_subscribe(fh, sub, 2, NULL); 872 default: 873 return -EINVAL; 874 } 875} 876 877 878/* v4l2_ioctl_ops */ 879static const struct v4l2_ioctl_ops s5p_mfc_dec_ioctl_ops = { 880 .vidioc_querycap = vidioc_querycap, 881 .vidioc_enum_fmt_vid_cap = vidioc_enum_fmt_vid_cap, 882 .vidioc_enum_fmt_vid_cap_mplane = vidioc_enum_fmt_vid_cap_mplane, 883 .vidioc_enum_fmt_vid_out = vidioc_enum_fmt_vid_out, 884 .vidioc_enum_fmt_vid_out_mplane = vidioc_enum_fmt_vid_out_mplane, 885 .vidioc_g_fmt_vid_cap_mplane = vidioc_g_fmt, 886 .vidioc_g_fmt_vid_out_mplane = vidioc_g_fmt, 887 .vidioc_try_fmt_vid_cap_mplane = vidioc_try_fmt, 888 .vidioc_try_fmt_vid_out_mplane = vidioc_try_fmt, 889 .vidioc_s_fmt_vid_cap_mplane = vidioc_s_fmt, 890 .vidioc_s_fmt_vid_out_mplane = vidioc_s_fmt, 891 .vidioc_reqbufs = vidioc_reqbufs, 892 .vidioc_querybuf = vidioc_querybuf, 893 .vidioc_qbuf = vidioc_qbuf, 894 .vidioc_dqbuf = vidioc_dqbuf, 895 .vidioc_expbuf = vidioc_expbuf, 896 .vidioc_streamon = vidioc_streamon, 897 .vidioc_streamoff = vidioc_streamoff, 898 .vidioc_g_crop = vidioc_g_crop, 899 .vidioc_decoder_cmd = vidioc_decoder_cmd, 900 .vidioc_subscribe_event = vidioc_subscribe_event, 901 .vidioc_unsubscribe_event = v4l2_event_unsubscribe, 902}; 903 904static int s5p_mfc_queue_setup(struct vb2_queue *vq, 905 const struct v4l2_format *fmt, unsigned int *buf_count, 906 unsigned int *plane_count, unsigned int psize[], 907 void *allocators[]) 908{ 909 struct s5p_mfc_ctx *ctx = fh_to_ctx(vq->drv_priv); 910 struct s5p_mfc_dev *dev = ctx->dev; 911 912 /* Video output for decoding (source) 913 * this can be set after getting an instance */ 914 if (ctx->state == MFCINST_INIT && 915 vq->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) { 916 /* A single plane is required for input */ 917 *plane_count = 1; 918 if (*buf_count < 1) 919 *buf_count = 1; 920 if (*buf_count > MFC_MAX_BUFFERS) 921 *buf_count = MFC_MAX_BUFFERS; 922 /* Video capture for decoding (destination) 923 * this can be set after the header was parsed */ 924 } else if (ctx->state == MFCINST_HEAD_PARSED && 925 vq->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) { 926 /* Output plane count is 2 - one for Y and one for CbCr */ 927 *plane_count = 2; 928 /* Setup buffer count */ 929 if (*buf_count < ctx->pb_count) 930 *buf_count = ctx->pb_count; 931 if (*buf_count > ctx->pb_count + MFC_MAX_EXTRA_DPB) 932 *buf_count = ctx->pb_count + MFC_MAX_EXTRA_DPB; 933 if (*buf_count > MFC_MAX_BUFFERS) 934 *buf_count = MFC_MAX_BUFFERS; 935 } else { 936 mfc_err("State seems invalid. State = %d, vq->type = %d\n", 937 ctx->state, vq->type); 938 return -EINVAL; 939 } 940 mfc_debug(2, "Buffer count=%d, plane count=%d\n", 941 *buf_count, *plane_count); 942 if (ctx->state == MFCINST_HEAD_PARSED && 943 vq->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) { 944 psize[0] = ctx->luma_size; 945 psize[1] = ctx->chroma_size; 946 947 if (IS_MFCV6_PLUS(dev)) 948 allocators[0] = 949 ctx->dev->alloc_ctx[MFC_BANK1_ALLOC_CTX]; 950 else 951 allocators[0] = 952 ctx->dev->alloc_ctx[MFC_BANK2_ALLOC_CTX]; 953 allocators[1] = ctx->dev->alloc_ctx[MFC_BANK1_ALLOC_CTX]; 954 } else if (vq->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE && 955 ctx->state == MFCINST_INIT) { 956 psize[0] = ctx->dec_src_buf_size; 957 allocators[0] = ctx->dev->alloc_ctx[MFC_BANK1_ALLOC_CTX]; 958 } else { 959 mfc_err("This video node is dedicated to decoding. Decoding not initialized\n"); 960 return -EINVAL; 961 } 962 return 0; 963} 964 965static void s5p_mfc_unlock(struct vb2_queue *q) 966{ 967 struct s5p_mfc_ctx *ctx = fh_to_ctx(q->drv_priv); 968 struct s5p_mfc_dev *dev = ctx->dev; 969 970 mutex_unlock(&dev->mfc_mutex); 971} 972 973static void s5p_mfc_lock(struct vb2_queue *q) 974{ 975 struct s5p_mfc_ctx *ctx = fh_to_ctx(q->drv_priv); 976 struct s5p_mfc_dev *dev = ctx->dev; 977 978 mutex_lock(&dev->mfc_mutex); 979} 980 981static int s5p_mfc_buf_init(struct vb2_buffer *vb) 982{ 983 struct vb2_queue *vq = vb->vb2_queue; 984 struct s5p_mfc_ctx *ctx = fh_to_ctx(vq->drv_priv); 985 unsigned int i; 986 987 if (vq->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) { 988 if (ctx->capture_state == QUEUE_BUFS_MMAPED) 989 return 0; 990 for (i = 0; i <= ctx->src_fmt->num_planes ; i++) { 991 if (IS_ERR_OR_NULL(ERR_PTR( 992 vb2_dma_contig_plane_dma_addr(vb, i)))) { 993 mfc_err("Plane mem not allocated\n"); 994 return -EINVAL; 995 } 996 } 997 if (vb2_plane_size(vb, 0) < ctx->luma_size || 998 vb2_plane_size(vb, 1) < ctx->chroma_size) { 999 mfc_err("Plane buffer (CAPTURE) is too small\n"); 1000 return -EINVAL; 1001 } 1002 i = vb->v4l2_buf.index; 1003 ctx->dst_bufs[i].b = vb; 1004 ctx->dst_bufs[i].cookie.raw.luma = 1005 vb2_dma_contig_plane_dma_addr(vb, 0); 1006 ctx->dst_bufs[i].cookie.raw.chroma = 1007 vb2_dma_contig_plane_dma_addr(vb, 1); 1008 ctx->dst_bufs_cnt++; 1009 } else if (vq->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) { 1010 if (IS_ERR_OR_NULL(ERR_PTR( 1011 vb2_dma_contig_plane_dma_addr(vb, 0)))) { 1012 mfc_err("Plane memory not allocated\n"); 1013 return -EINVAL; 1014 } 1015 if (vb2_plane_size(vb, 0) < ctx->dec_src_buf_size) { 1016 mfc_err("Plane buffer (OUTPUT) is too small\n"); 1017 return -EINVAL; 1018 } 1019 1020 i = vb->v4l2_buf.index; 1021 ctx->src_bufs[i].b = vb; 1022 ctx->src_bufs[i].cookie.stream = 1023 vb2_dma_contig_plane_dma_addr(vb, 0); 1024 ctx->src_bufs_cnt++; 1025 } else { 1026 mfc_err("s5p_mfc_buf_init: unknown queue type\n"); 1027 return -EINVAL; 1028 } 1029 return 0; 1030} 1031 1032static int s5p_mfc_start_streaming(struct vb2_queue *q, unsigned int count) 1033{ 1034 struct s5p_mfc_ctx *ctx = fh_to_ctx(q->drv_priv); 1035 struct s5p_mfc_dev *dev = ctx->dev; 1036 1037 v4l2_ctrl_handler_setup(&ctx->ctrl_handler); 1038 if (ctx->state == MFCINST_FINISHING || 1039 ctx->state == MFCINST_FINISHED) 1040 ctx->state = MFCINST_RUNNING; 1041 /* If context is ready then dev = work->data;schedule it to run */ 1042 if (s5p_mfc_ctx_ready(ctx)) 1043 set_work_bit_irqsave(ctx); 1044 s5p_mfc_hw_call(dev->mfc_ops, try_run, dev); 1045 return 0; 1046} 1047 1048static int s5p_mfc_stop_streaming(struct vb2_queue *q) 1049{ 1050 unsigned long flags; 1051 struct s5p_mfc_ctx *ctx = fh_to_ctx(q->drv_priv); 1052 struct s5p_mfc_dev *dev = ctx->dev; 1053 int aborted = 0; 1054 1055 if ((ctx->state == MFCINST_FINISHING || 1056 ctx->state == MFCINST_RUNNING) && 1057 dev->curr_ctx == ctx->num && dev->hw_lock) { 1058 ctx->state = MFCINST_ABORT; 1059 s5p_mfc_wait_for_done_ctx(ctx, 1060 S5P_MFC_R2H_CMD_FRAME_DONE_RET, 0); 1061 aborted = 1; 1062 } 1063 if (q->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) { 1064 spin_lock_irqsave(&dev->irqlock, flags); 1065 s5p_mfc_hw_call(dev->mfc_ops, cleanup_queue, &ctx->dst_queue, 1066 &ctx->vq_dst); 1067 INIT_LIST_HEAD(&ctx->dst_queue); 1068 ctx->dst_queue_cnt = 0; 1069 ctx->dpb_flush_flag = 1; 1070 ctx->dec_dst_flag = 0; 1071 spin_unlock_irqrestore(&dev->irqlock, flags); 1072 if (IS_MFCV6_PLUS(dev) && (ctx->state == MFCINST_RUNNING)) { 1073 ctx->state = MFCINST_FLUSH; 1074 set_work_bit_irqsave(ctx); 1075 s5p_mfc_clean_ctx_int_flags(ctx); 1076 s5p_mfc_hw_call(dev->mfc_ops, try_run, dev); 1077 if (s5p_mfc_wait_for_done_ctx(ctx, 1078 S5P_MFC_R2H_CMD_DPB_FLUSH_RET, 0)) 1079 mfc_err("Err flushing buffers\n"); 1080 } 1081 } 1082 if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) { 1083 spin_lock_irqsave(&dev->irqlock, flags); 1084 s5p_mfc_hw_call(dev->mfc_ops, cleanup_queue, &ctx->src_queue, 1085 &ctx->vq_src); 1086 INIT_LIST_HEAD(&ctx->src_queue); 1087 ctx->src_queue_cnt = 0; 1088 spin_unlock_irqrestore(&dev->irqlock, flags); 1089 } 1090 if (aborted) 1091 ctx->state = MFCINST_RUNNING; 1092 return 0; 1093} 1094 1095 1096static void s5p_mfc_buf_queue(struct vb2_buffer *vb) 1097{ 1098 struct vb2_queue *vq = vb->vb2_queue; 1099 struct s5p_mfc_ctx *ctx = fh_to_ctx(vq->drv_priv); 1100 struct s5p_mfc_dev *dev = ctx->dev; 1101 unsigned long flags; 1102 struct s5p_mfc_buf *mfc_buf; 1103 1104 if (vq->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) { 1105 mfc_buf = &ctx->src_bufs[vb->v4l2_buf.index]; 1106 mfc_buf->flags &= ~MFC_BUF_FLAG_USED; 1107 spin_lock_irqsave(&dev->irqlock, flags); 1108 list_add_tail(&mfc_buf->list, &ctx->src_queue); 1109 ctx->src_queue_cnt++; 1110 spin_unlock_irqrestore(&dev->irqlock, flags); 1111 } else if (vq->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) { 1112 mfc_buf = &ctx->dst_bufs[vb->v4l2_buf.index]; 1113 mfc_buf->flags &= ~MFC_BUF_FLAG_USED; 1114 /* Mark destination as available for use by MFC */ 1115 spin_lock_irqsave(&dev->irqlock, flags); 1116 set_bit(vb->v4l2_buf.index, &ctx->dec_dst_flag); 1117 list_add_tail(&mfc_buf->list, &ctx->dst_queue); 1118 ctx->dst_queue_cnt++; 1119 spin_unlock_irqrestore(&dev->irqlock, flags); 1120 } else { 1121 mfc_err("Unsupported buffer type (%d)\n", vq->type); 1122 } 1123 if (s5p_mfc_ctx_ready(ctx)) 1124 set_work_bit_irqsave(ctx); 1125 s5p_mfc_hw_call(dev->mfc_ops, try_run, dev); 1126} 1127 1128static struct vb2_ops s5p_mfc_dec_qops = { 1129 .queue_setup = s5p_mfc_queue_setup, 1130 .wait_prepare = s5p_mfc_unlock, 1131 .wait_finish = s5p_mfc_lock, 1132 .buf_init = s5p_mfc_buf_init, 1133 .start_streaming = s5p_mfc_start_streaming, 1134 .stop_streaming = s5p_mfc_stop_streaming, 1135 .buf_queue = s5p_mfc_buf_queue, 1136}; 1137 1138struct s5p_mfc_codec_ops *get_dec_codec_ops(void) 1139{ 1140 return &decoder_codec_ops; 1141} 1142 1143struct vb2_ops *get_dec_queue_ops(void) 1144{ 1145 return &s5p_mfc_dec_qops; 1146} 1147 1148const struct v4l2_ioctl_ops *get_dec_v4l2_ioctl_ops(void) 1149{ 1150 return &s5p_mfc_dec_ioctl_ops; 1151} 1152 1153#define IS_MFC51_PRIV(x) ((V4L2_CTRL_ID2CLASS(x) == V4L2_CTRL_CLASS_MPEG) \ 1154 && V4L2_CTRL_DRIVER_PRIV(x)) 1155 1156int s5p_mfc_dec_ctrls_setup(struct s5p_mfc_ctx *ctx) 1157{ 1158 struct v4l2_ctrl_config cfg; 1159 int i; 1160 1161 v4l2_ctrl_handler_init(&ctx->ctrl_handler, NUM_CTRLS); 1162 if (ctx->ctrl_handler.error) { 1163 mfc_err("v4l2_ctrl_handler_init failed\n"); 1164 return ctx->ctrl_handler.error; 1165 } 1166 1167 for (i = 0; i < NUM_CTRLS; i++) { 1168 if (IS_MFC51_PRIV(controls[i].id)) { 1169 memset(&cfg, 0, sizeof(struct v4l2_ctrl_config)); 1170 cfg.ops = &s5p_mfc_dec_ctrl_ops; 1171 cfg.id = controls[i].id; 1172 cfg.min = controls[i].minimum; 1173 cfg.max = controls[i].maximum; 1174 cfg.def = controls[i].default_value; 1175 cfg.name = controls[i].name; 1176 cfg.type = controls[i].type; 1177 1178 cfg.step = controls[i].step; 1179 cfg.menu_skip_mask = 0; 1180 1181 ctx->ctrls[i] = v4l2_ctrl_new_custom(&ctx->ctrl_handler, 1182 &cfg, NULL); 1183 } else { 1184 ctx->ctrls[i] = v4l2_ctrl_new_std(&ctx->ctrl_handler, 1185 &s5p_mfc_dec_ctrl_ops, 1186 controls[i].id, controls[i].minimum, 1187 controls[i].maximum, controls[i].step, 1188 controls[i].default_value); 1189 } 1190 if (ctx->ctrl_handler.error) { 1191 mfc_err("Adding control (%d) failed\n", i); 1192 return ctx->ctrl_handler.error; 1193 } 1194 if (controls[i].is_volatile && ctx->ctrls[i]) 1195 ctx->ctrls[i]->flags |= V4L2_CTRL_FLAG_VOLATILE; 1196 } 1197 return 0; 1198} 1199 1200void s5p_mfc_dec_ctrls_delete(struct s5p_mfc_ctx *ctx) 1201{ 1202 int i; 1203 1204 v4l2_ctrl_handler_free(&ctx->ctrl_handler); 1205 for (i = 0; i < NUM_CTRLS; i++) 1206 ctx->ctrls[i] = NULL; 1207} 1208 1209void s5p_mfc_dec_init(struct s5p_mfc_ctx *ctx) 1210{ 1211 struct v4l2_format f; 1212 f.fmt.pix_mp.pixelformat = DEF_SRC_FMT_DEC; 1213 ctx->src_fmt = find_format(&f, MFC_FMT_DEC); 1214 f.fmt.pix_mp.pixelformat = DEF_DST_FMT_DEC; 1215 ctx->dst_fmt = find_format(&f, MFC_FMT_RAW); 1216 mfc_debug(2, "Default src_fmt is %x, dest_fmt is %x\n", 1217 (unsigned int)ctx->src_fmt, (unsigned int)ctx->dst_fmt); 1218} 1219 1220