s5p_mfc_dec.c revision f96f3cfa0bb8f777fe877d7f881bf7ee58bd162a
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/videobuf2-core.h> 26#include "s5p_mfc_common.h" 27#include "s5p_mfc_debug.h" 28#include "s5p_mfc_dec.h" 29#include "s5p_mfc_intr.h" 30#include "s5p_mfc_opr.h" 31#include "s5p_mfc_pm.h" 32 33#define DEF_SRC_FMT_DEC V4L2_PIX_FMT_H264 34#define DEF_DST_FMT_DEC V4L2_PIX_FMT_NV12MT_16X16 35 36static struct s5p_mfc_fmt formats[] = { 37 { 38 .name = "4:2:0 2 Planes 16x16 Tiles", 39 .fourcc = V4L2_PIX_FMT_NV12MT_16X16, 40 .codec_mode = S5P_MFC_CODEC_NONE, 41 .type = MFC_FMT_RAW, 42 .num_planes = 2, 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 }, 51 { 52 .name = "4:2:0 2 Planes Y/CbCr", 53 .fourcc = V4L2_PIX_FMT_NV12M, 54 .codec_mode = S5P_MFC_CODEC_NONE, 55 .type = MFC_FMT_RAW, 56 .num_planes = 2, 57 }, 58 { 59 .name = "4:2:0 2 Planes Y/CrCb", 60 .fourcc = V4L2_PIX_FMT_NV21M, 61 .codec_mode = S5P_MFC_CODEC_NONE, 62 .type = MFC_FMT_RAW, 63 .num_planes = 2, 64 }, 65 { 66 .name = "H264 Encoded Stream", 67 .fourcc = V4L2_PIX_FMT_H264, 68 .codec_mode = S5P_MFC_CODEC_H264_DEC, 69 .type = MFC_FMT_DEC, 70 .num_planes = 1, 71 }, 72 { 73 .name = "H264/MVC Encoded Stream", 74 .fourcc = V4L2_PIX_FMT_H264_MVC, 75 .codec_mode = S5P_MFC_CODEC_H264_MVC_DEC, 76 .type = MFC_FMT_DEC, 77 .num_planes = 1, 78 }, 79 { 80 .name = "H263 Encoded Stream", 81 .fourcc = V4L2_PIX_FMT_H263, 82 .codec_mode = S5P_MFC_CODEC_H263_DEC, 83 .type = MFC_FMT_DEC, 84 .num_planes = 1, 85 }, 86 { 87 .name = "MPEG1 Encoded Stream", 88 .fourcc = V4L2_PIX_FMT_MPEG1, 89 .codec_mode = S5P_MFC_CODEC_MPEG2_DEC, 90 .type = MFC_FMT_DEC, 91 .num_planes = 1, 92 }, 93 { 94 .name = "MPEG2 Encoded Stream", 95 .fourcc = V4L2_PIX_FMT_MPEG2, 96 .codec_mode = S5P_MFC_CODEC_MPEG2_DEC, 97 .type = MFC_FMT_DEC, 98 .num_planes = 1, 99 }, 100 { 101 .name = "MPEG4 Encoded Stream", 102 .fourcc = V4L2_PIX_FMT_MPEG4, 103 .codec_mode = S5P_MFC_CODEC_MPEG4_DEC, 104 .type = MFC_FMT_DEC, 105 .num_planes = 1, 106 }, 107 { 108 .name = "XviD Encoded Stream", 109 .fourcc = V4L2_PIX_FMT_XVID, 110 .codec_mode = S5P_MFC_CODEC_MPEG4_DEC, 111 .type = MFC_FMT_DEC, 112 .num_planes = 1, 113 }, 114 { 115 .name = "VC1 Encoded Stream", 116 .fourcc = V4L2_PIX_FMT_VC1_ANNEX_G, 117 .codec_mode = S5P_MFC_CODEC_VC1_DEC, 118 .type = MFC_FMT_DEC, 119 .num_planes = 1, 120 }, 121 { 122 .name = "VC1 RCV Encoded Stream", 123 .fourcc = V4L2_PIX_FMT_VC1_ANNEX_L, 124 .codec_mode = S5P_MFC_CODEC_VC1RCV_DEC, 125 .type = MFC_FMT_DEC, 126 .num_planes = 1, 127 }, 128 { 129 .name = "VP8 Encoded Stream", 130 .fourcc = V4L2_PIX_FMT_VP8, 131 .codec_mode = S5P_MFC_CODEC_VP8_DEC, 132 .type = MFC_FMT_DEC, 133 .num_planes = 1, 134 }, 135}; 136 137#define NUM_FORMATS ARRAY_SIZE(formats) 138 139/* Find selected format description */ 140static struct s5p_mfc_fmt *find_format(struct v4l2_format *f, unsigned int t) 141{ 142 unsigned int i; 143 144 for (i = 0; i < NUM_FORMATS; i++) { 145 if (formats[i].fourcc == f->fmt.pix_mp.pixelformat && 146 formats[i].type == t) 147 return &formats[i]; 148 } 149 return NULL; 150} 151 152static struct mfc_control controls[] = { 153 { 154 .id = V4L2_CID_MPEG_MFC51_VIDEO_DECODER_H264_DISPLAY_DELAY, 155 .type = V4L2_CTRL_TYPE_INTEGER, 156 .name = "H264 Display Delay", 157 .minimum = 0, 158 .maximum = 16383, 159 .step = 1, 160 .default_value = 0, 161 }, 162 { 163 .id = V4L2_CID_MPEG_MFC51_VIDEO_DECODER_H264_DISPLAY_DELAY_ENABLE, 164 .type = V4L2_CTRL_TYPE_BOOLEAN, 165 .name = "H264 Display Delay Enable", 166 .minimum = 0, 167 .maximum = 1, 168 .step = 1, 169 .default_value = 0, 170 }, 171 { 172 .id = V4L2_CID_MPEG_VIDEO_DECODER_MPEG4_DEBLOCK_FILTER, 173 .type = V4L2_CTRL_TYPE_BOOLEAN, 174 .name = "Mpeg4 Loop Filter Enable", 175 .minimum = 0, 176 .maximum = 1, 177 .step = 1, 178 .default_value = 0, 179 }, 180 { 181 .id = V4L2_CID_MPEG_VIDEO_DECODER_SLICE_INTERFACE, 182 .type = V4L2_CTRL_TYPE_BOOLEAN, 183 .name = "Slice Interface Enable", 184 .minimum = 0, 185 .maximum = 1, 186 .step = 1, 187 .default_value = 0, 188 }, 189 { 190 .id = V4L2_CID_MIN_BUFFERS_FOR_CAPTURE, 191 .type = V4L2_CTRL_TYPE_INTEGER, 192 .name = "Minimum number of cap bufs", 193 .minimum = 1, 194 .maximum = 32, 195 .step = 1, 196 .default_value = 1, 197 .is_volatile = 1, 198 }, 199}; 200 201#define NUM_CTRLS ARRAY_SIZE(controls) 202 203/* Check whether a context should be run on hardware */ 204static int s5p_mfc_ctx_ready(struct s5p_mfc_ctx *ctx) 205{ 206 /* Context is to parse header */ 207 if (ctx->src_queue_cnt >= 1 && ctx->state == MFCINST_GOT_INST) 208 return 1; 209 /* Context is to decode a frame */ 210 if (ctx->src_queue_cnt >= 1 && 211 ctx->state == MFCINST_RUNNING && 212 ctx->dst_queue_cnt >= ctx->dpb_count) 213 return 1; 214 /* Context is to return last frame */ 215 if (ctx->state == MFCINST_FINISHING && 216 ctx->dst_queue_cnt >= ctx->dpb_count) 217 return 1; 218 /* Context is to set buffers */ 219 if (ctx->src_queue_cnt >= 1 && 220 ctx->state == MFCINST_HEAD_PARSED && 221 ctx->capture_state == QUEUE_BUFS_MMAPED) 222 return 1; 223 /* Resolution change */ 224 if ((ctx->state == MFCINST_RES_CHANGE_INIT || 225 ctx->state == MFCINST_RES_CHANGE_FLUSH) && 226 ctx->dst_queue_cnt >= ctx->dpb_count) 227 return 1; 228 if (ctx->state == MFCINST_RES_CHANGE_END && 229 ctx->src_queue_cnt >= 1) 230 return 1; 231 mfc_debug(2, "ctx is not ready\n"); 232 return 0; 233} 234 235static struct s5p_mfc_codec_ops decoder_codec_ops = { 236 .pre_seq_start = NULL, 237 .post_seq_start = NULL, 238 .pre_frame_start = NULL, 239 .post_frame_start = NULL, 240}; 241 242/* Query capabilities of the device */ 243static int vidioc_querycap(struct file *file, void *priv, 244 struct v4l2_capability *cap) 245{ 246 struct s5p_mfc_dev *dev = video_drvdata(file); 247 248 strncpy(cap->driver, dev->plat_dev->name, sizeof(cap->driver) - 1); 249 strncpy(cap->card, dev->plat_dev->name, sizeof(cap->card) - 1); 250 cap->bus_info[0] = 0; 251 cap->version = KERNEL_VERSION(1, 0, 0); 252 /* 253 * This is only a mem-to-mem video device. The capture and output 254 * device capability flags are left only for backward compatibility 255 * and are scheduled for removal. 256 */ 257 cap->capabilities = V4L2_CAP_VIDEO_M2M_MPLANE | V4L2_CAP_STREAMING | 258 V4L2_CAP_VIDEO_CAPTURE_MPLANE | 259 V4L2_CAP_VIDEO_OUTPUT_MPLANE; 260 return 0; 261} 262 263/* Enumerate format */ 264static int vidioc_enum_fmt(struct v4l2_fmtdesc *f, bool mplane, bool out) 265{ 266 struct s5p_mfc_fmt *fmt; 267 int i, j = 0; 268 269 for (i = 0; i < ARRAY_SIZE(formats); ++i) { 270 if (mplane && formats[i].num_planes == 1) 271 continue; 272 else if (!mplane && formats[i].num_planes > 1) 273 continue; 274 if (out && formats[i].type != MFC_FMT_DEC) 275 continue; 276 else if (!out && formats[i].type != MFC_FMT_RAW) 277 continue; 278 279 if (j == f->index) 280 break; 281 ++j; 282 } 283 if (i == ARRAY_SIZE(formats)) 284 return -EINVAL; 285 fmt = &formats[i]; 286 strlcpy(f->description, fmt->name, sizeof(f->description)); 287 f->pixelformat = fmt->fourcc; 288 return 0; 289} 290 291static int vidioc_enum_fmt_vid_cap(struct file *file, void *pirv, 292 struct v4l2_fmtdesc *f) 293{ 294 return vidioc_enum_fmt(f, false, false); 295} 296 297static int vidioc_enum_fmt_vid_cap_mplane(struct file *file, void *pirv, 298 struct v4l2_fmtdesc *f) 299{ 300 return vidioc_enum_fmt(f, true, false); 301} 302 303static int vidioc_enum_fmt_vid_out(struct file *file, void *prov, 304 struct v4l2_fmtdesc *f) 305{ 306 return vidioc_enum_fmt(f, false, true); 307} 308 309static int vidioc_enum_fmt_vid_out_mplane(struct file *file, void *prov, 310 struct v4l2_fmtdesc *f) 311{ 312 return vidioc_enum_fmt(f, true, true); 313} 314 315/* Get format */ 316static int vidioc_g_fmt(struct file *file, void *priv, struct v4l2_format *f) 317{ 318 struct s5p_mfc_ctx *ctx = fh_to_ctx(priv); 319 struct v4l2_pix_format_mplane *pix_mp; 320 321 mfc_debug_enter(); 322 pix_mp = &f->fmt.pix_mp; 323 if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE && 324 (ctx->state == MFCINST_GOT_INST || ctx->state == 325 MFCINST_RES_CHANGE_END)) { 326 /* If the MFC is parsing the header, 327 * so wait until it is finished */ 328 s5p_mfc_clean_ctx_int_flags(ctx); 329 s5p_mfc_wait_for_done_ctx(ctx, S5P_MFC_R2H_CMD_SEQ_DONE_RET, 330 0); 331 } 332 if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE && 333 ctx->state >= MFCINST_HEAD_PARSED && 334 ctx->state < MFCINST_ABORT) { 335 /* This is run on CAPTURE (decode output) */ 336 /* Width and height are set to the dimensions 337 of the movie, the buffer is bigger and 338 further processing stages should crop to this 339 rectangle. */ 340 pix_mp->width = ctx->buf_width; 341 pix_mp->height = ctx->buf_height; 342 pix_mp->field = V4L2_FIELD_NONE; 343 pix_mp->num_planes = 2; 344 /* Set pixelformat to the format in which MFC 345 outputs the decoded frame */ 346 pix_mp->pixelformat = V4L2_PIX_FMT_NV12MT; 347 pix_mp->plane_fmt[0].bytesperline = ctx->buf_width; 348 pix_mp->plane_fmt[0].sizeimage = ctx->luma_size; 349 pix_mp->plane_fmt[1].bytesperline = ctx->buf_width; 350 pix_mp->plane_fmt[1].sizeimage = ctx->chroma_size; 351 } else if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) { 352 /* This is run on OUTPUT 353 The buffer contains compressed image 354 so width and height have no meaning */ 355 pix_mp->width = 0; 356 pix_mp->height = 0; 357 pix_mp->field = V4L2_FIELD_NONE; 358 pix_mp->plane_fmt[0].bytesperline = ctx->dec_src_buf_size; 359 pix_mp->plane_fmt[0].sizeimage = ctx->dec_src_buf_size; 360 pix_mp->pixelformat = ctx->src_fmt->fourcc; 361 pix_mp->num_planes = ctx->src_fmt->num_planes; 362 } else { 363 mfc_err("Format could not be read\n"); 364 mfc_debug(2, "%s-- with error\n", __func__); 365 return -EINVAL; 366 } 367 mfc_debug_leave(); 368 return 0; 369} 370 371/* Try format */ 372static int vidioc_try_fmt(struct file *file, void *priv, struct v4l2_format *f) 373{ 374 struct s5p_mfc_dev *dev = video_drvdata(file); 375 struct s5p_mfc_fmt *fmt; 376 377 mfc_debug(2, "Type is %d\n", f->type); 378 if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) { 379 fmt = find_format(f, MFC_FMT_DEC); 380 if (!fmt) { 381 mfc_err("Unsupported format for source.\n"); 382 return -EINVAL; 383 } 384 if (!IS_MFCV6(dev) && (fmt->fourcc == V4L2_PIX_FMT_VP8)) { 385 mfc_err("Not supported format.\n"); 386 return -EINVAL; 387 } 388 } else if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) { 389 fmt = find_format(f, MFC_FMT_RAW); 390 if (!fmt) { 391 mfc_err("Unsupported format for destination.\n"); 392 return -EINVAL; 393 } 394 if (IS_MFCV6(dev) && (fmt->fourcc == V4L2_PIX_FMT_NV12MT)) { 395 mfc_err("Not supported format.\n"); 396 return -EINVAL; 397 } else if (!IS_MFCV6(dev) && 398 (fmt->fourcc != V4L2_PIX_FMT_NV12MT)) { 399 mfc_err("Not supported format.\n"); 400 return -EINVAL; 401 } 402 } 403 404 return 0; 405} 406 407/* Set format */ 408static int vidioc_s_fmt(struct file *file, void *priv, struct v4l2_format *f) 409{ 410 struct s5p_mfc_dev *dev = video_drvdata(file); 411 struct s5p_mfc_ctx *ctx = fh_to_ctx(priv); 412 int ret = 0; 413 struct s5p_mfc_fmt *fmt; 414 struct v4l2_pix_format_mplane *pix_mp; 415 416 mfc_debug_enter(); 417 ret = vidioc_try_fmt(file, priv, f); 418 pix_mp = &f->fmt.pix_mp; 419 if (ret) 420 return ret; 421 if (ctx->vq_src.streaming || ctx->vq_dst.streaming) { 422 v4l2_err(&dev->v4l2_dev, "%s queue busy\n", __func__); 423 ret = -EBUSY; 424 goto out; 425 } 426 if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) { 427 fmt = find_format(f, MFC_FMT_RAW); 428 if (!fmt) { 429 mfc_err("Unsupported format for source.\n"); 430 return -EINVAL; 431 } 432 if (!IS_MFCV6(dev) && (fmt->fourcc != V4L2_PIX_FMT_NV12MT)) { 433 mfc_err("Not supported format.\n"); 434 return -EINVAL; 435 } else if (IS_MFCV6(dev) && 436 (fmt->fourcc == V4L2_PIX_FMT_NV12MT)) { 437 mfc_err("Not supported format.\n"); 438 return -EINVAL; 439 } 440 ctx->dst_fmt = fmt; 441 mfc_debug_leave(); 442 return ret; 443 } else if (f->type != V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) { 444 mfc_err("Wrong type error for S_FMT : %d", f->type); 445 return -EINVAL; 446 } 447 fmt = find_format(f, MFC_FMT_DEC); 448 if (!fmt || fmt->codec_mode == S5P_MFC_CODEC_NONE) { 449 mfc_err("Unknown codec\n"); 450 ret = -EINVAL; 451 goto out; 452 } 453 if (fmt->type != MFC_FMT_DEC) { 454 mfc_err("Wrong format selected, you should choose " 455 "format for decoding\n"); 456 ret = -EINVAL; 457 goto out; 458 } 459 if (!IS_MFCV6(dev) && (fmt->fourcc == V4L2_PIX_FMT_VP8)) { 460 mfc_err("Not supported format.\n"); 461 return -EINVAL; 462 } 463 ctx->src_fmt = fmt; 464 ctx->codec_mode = fmt->codec_mode; 465 mfc_debug(2, "The codec number is: %d\n", ctx->codec_mode); 466 pix_mp->height = 0; 467 pix_mp->width = 0; 468 if (pix_mp->plane_fmt[0].sizeimage) 469 ctx->dec_src_buf_size = pix_mp->plane_fmt[0].sizeimage; 470 else 471 pix_mp->plane_fmt[0].sizeimage = ctx->dec_src_buf_size = 472 DEF_CPB_SIZE; 473 pix_mp->plane_fmt[0].bytesperline = 0; 474 ctx->state = MFCINST_INIT; 475out: 476 mfc_debug_leave(); 477 return ret; 478} 479 480/* Reqeust buffers */ 481static int vidioc_reqbufs(struct file *file, void *priv, 482 struct v4l2_requestbuffers *reqbufs) 483{ 484 struct s5p_mfc_dev *dev = video_drvdata(file); 485 struct s5p_mfc_ctx *ctx = fh_to_ctx(priv); 486 int ret = 0; 487 488 if (reqbufs->memory != V4L2_MEMORY_MMAP) { 489 mfc_err("Only V4L2_MEMORY_MAP is supported\n"); 490 return -EINVAL; 491 } 492 if (reqbufs->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) { 493 /* Can only request buffers after an instance has been opened.*/ 494 if (ctx->state == MFCINST_INIT) { 495 ctx->src_bufs_cnt = 0; 496 if (reqbufs->count == 0) { 497 mfc_debug(2, "Freeing buffers\n"); 498 s5p_mfc_clock_on(); 499 ret = vb2_reqbufs(&ctx->vq_src, reqbufs); 500 s5p_mfc_clock_off(); 501 return ret; 502 } 503 /* Decoding */ 504 if (ctx->output_state != QUEUE_FREE) { 505 mfc_err("Bufs have already been requested\n"); 506 return -EINVAL; 507 } 508 s5p_mfc_clock_on(); 509 ret = vb2_reqbufs(&ctx->vq_src, reqbufs); 510 s5p_mfc_clock_off(); 511 if (ret) { 512 mfc_err("vb2_reqbufs on output failed\n"); 513 return ret; 514 } 515 mfc_debug(2, "vb2_reqbufs: %d\n", ret); 516 ctx->output_state = QUEUE_BUFS_REQUESTED; 517 } 518 } else if (reqbufs->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) { 519 ctx->dst_bufs_cnt = 0; 520 if (reqbufs->count == 0) { 521 mfc_debug(2, "Freeing buffers\n"); 522 s5p_mfc_clock_on(); 523 ret = vb2_reqbufs(&ctx->vq_dst, reqbufs); 524 s5p_mfc_clock_off(); 525 return ret; 526 } 527 if (ctx->capture_state != QUEUE_FREE) { 528 mfc_err("Bufs have already been requested\n"); 529 return -EINVAL; 530 } 531 ctx->capture_state = QUEUE_BUFS_REQUESTED; 532 s5p_mfc_clock_on(); 533 ret = vb2_reqbufs(&ctx->vq_dst, reqbufs); 534 s5p_mfc_clock_off(); 535 if (ret) { 536 mfc_err("vb2_reqbufs on capture failed\n"); 537 return ret; 538 } 539 if (reqbufs->count < ctx->dpb_count) { 540 mfc_err("Not enough buffers allocated\n"); 541 reqbufs->count = 0; 542 s5p_mfc_clock_on(); 543 ret = vb2_reqbufs(&ctx->vq_dst, reqbufs); 544 s5p_mfc_clock_off(); 545 return -ENOMEM; 546 } 547 ctx->total_dpb_count = reqbufs->count; 548 ret = s5p_mfc_hw_call(dev->mfc_ops, alloc_codec_buffers, ctx); 549 if (ret) { 550 mfc_err("Failed to allocate decoding buffers\n"); 551 reqbufs->count = 0; 552 s5p_mfc_clock_on(); 553 ret = vb2_reqbufs(&ctx->vq_dst, reqbufs); 554 s5p_mfc_clock_off(); 555 return -ENOMEM; 556 } 557 if (ctx->dst_bufs_cnt == ctx->total_dpb_count) { 558 ctx->capture_state = QUEUE_BUFS_MMAPED; 559 } else { 560 mfc_err("Not all buffers passed to buf_init\n"); 561 reqbufs->count = 0; 562 s5p_mfc_clock_on(); 563 ret = vb2_reqbufs(&ctx->vq_dst, reqbufs); 564 s5p_mfc_hw_call(dev->mfc_ops, release_codec_buffers, 565 ctx); 566 s5p_mfc_clock_off(); 567 return -ENOMEM; 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, 573 S5P_MFC_R2H_CMD_INIT_BUFFERS_RET, 0); 574 } 575 return ret; 576} 577 578/* Query buffer */ 579static int vidioc_querybuf(struct file *file, void *priv, 580 struct v4l2_buffer *buf) 581{ 582 struct s5p_mfc_ctx *ctx = fh_to_ctx(priv); 583 int ret; 584 int i; 585 586 if (buf->memory != V4L2_MEMORY_MMAP) { 587 mfc_err("Only mmaped buffers can be used\n"); 588 return -EINVAL; 589 } 590 mfc_debug(2, "State: %d, buf->type: %d\n", ctx->state, buf->type); 591 if (ctx->state == MFCINST_INIT && 592 buf->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) { 593 ret = vb2_querybuf(&ctx->vq_src, buf); 594 } else if (ctx->state == MFCINST_RUNNING && 595 buf->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) { 596 ret = vb2_querybuf(&ctx->vq_dst, buf); 597 for (i = 0; i < buf->length; i++) 598 buf->m.planes[i].m.mem_offset += DST_QUEUE_OFF_BASE; 599 } else { 600 mfc_err("vidioc_querybuf called in an inappropriate state\n"); 601 ret = -EINVAL; 602 } 603 mfc_debug_leave(); 604 return ret; 605} 606 607/* Queue a buffer */ 608static int vidioc_qbuf(struct file *file, void *priv, struct v4l2_buffer *buf) 609{ 610 struct s5p_mfc_ctx *ctx = fh_to_ctx(priv); 611 612 if (ctx->state == MFCINST_ERROR) { 613 mfc_err("Call on QBUF after unrecoverable error\n"); 614 return -EIO; 615 } 616 if (buf->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) 617 return vb2_qbuf(&ctx->vq_src, buf); 618 else if (buf->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) 619 return vb2_qbuf(&ctx->vq_dst, buf); 620 return -EINVAL; 621} 622 623/* Dequeue a buffer */ 624static int vidioc_dqbuf(struct file *file, void *priv, struct v4l2_buffer *buf) 625{ 626 struct s5p_mfc_ctx *ctx = fh_to_ctx(priv); 627 628 if (ctx->state == MFCINST_ERROR) { 629 mfc_err("Call on DQBUF after unrecoverable error\n"); 630 return -EIO; 631 } 632 if (buf->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) 633 return vb2_dqbuf(&ctx->vq_src, buf, file->f_flags & O_NONBLOCK); 634 else if (buf->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) 635 return vb2_dqbuf(&ctx->vq_dst, buf, file->f_flags & O_NONBLOCK); 636 return -EINVAL; 637} 638 639/* Stream on */ 640static int vidioc_streamon(struct file *file, void *priv, 641 enum v4l2_buf_type type) 642{ 643 struct s5p_mfc_ctx *ctx = fh_to_ctx(priv); 644 struct s5p_mfc_dev *dev = ctx->dev; 645 int ret = -EINVAL; 646 647 mfc_debug_enter(); 648 if (type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) { 649 650 if (ctx->state == MFCINST_INIT) { 651 ctx->dst_bufs_cnt = 0; 652 ctx->src_bufs_cnt = 0; 653 ctx->capture_state = QUEUE_FREE; 654 ctx->output_state = QUEUE_FREE; 655 s5p_mfc_hw_call(dev->mfc_ops, alloc_instance_buffer, 656 ctx); 657 s5p_mfc_hw_call(dev->mfc_ops, alloc_dec_temp_buffers, 658 ctx); 659 set_work_bit_irqsave(ctx); 660 s5p_mfc_clean_ctx_int_flags(ctx); 661 s5p_mfc_hw_call(dev->mfc_ops, try_run, dev); 662 663 if (s5p_mfc_wait_for_done_ctx(ctx, 664 S5P_MFC_R2H_CMD_OPEN_INSTANCE_RET, 0)) { 665 /* Error or timeout */ 666 mfc_err("Error getting instance from hardware\n"); 667 s5p_mfc_hw_call(dev->mfc_ops, 668 release_instance_buffer, ctx); 669 s5p_mfc_hw_call(dev->mfc_ops, 670 release_dec_desc_buffer, ctx); 671 return -EIO; 672 } 673 mfc_debug(2, "Got instance number: %d\n", ctx->inst_no); 674 } 675 ret = vb2_streamon(&ctx->vq_src, type); 676 } 677 else if (type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) 678 ret = vb2_streamon(&ctx->vq_dst, type); 679 mfc_debug_leave(); 680 return ret; 681} 682 683/* Stream off, which equals to a pause */ 684static int vidioc_streamoff(struct file *file, void *priv, 685 enum v4l2_buf_type type) 686{ 687 struct s5p_mfc_ctx *ctx = fh_to_ctx(priv); 688 689 if (type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) 690 return vb2_streamoff(&ctx->vq_src, type); 691 else if (type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) 692 return vb2_streamoff(&ctx->vq_dst, type); 693 return -EINVAL; 694} 695 696/* Set controls - v4l2 control framework */ 697static int s5p_mfc_dec_s_ctrl(struct v4l2_ctrl *ctrl) 698{ 699 struct s5p_mfc_ctx *ctx = ctrl_to_ctx(ctrl); 700 701 switch (ctrl->id) { 702 case V4L2_CID_MPEG_MFC51_VIDEO_DECODER_H264_DISPLAY_DELAY: 703 ctx->display_delay = ctrl->val; 704 break; 705 case V4L2_CID_MPEG_MFC51_VIDEO_DECODER_H264_DISPLAY_DELAY_ENABLE: 706 ctx->display_delay_enable = ctrl->val; 707 break; 708 case V4L2_CID_MPEG_VIDEO_DECODER_MPEG4_DEBLOCK_FILTER: 709 ctx->loop_filter_mpeg4 = ctrl->val; 710 break; 711 case V4L2_CID_MPEG_VIDEO_DECODER_SLICE_INTERFACE: 712 ctx->slice_interface = ctrl->val; 713 break; 714 default: 715 mfc_err("Invalid control 0x%08x\n", ctrl->id); 716 return -EINVAL; 717 } 718 return 0; 719} 720 721static int s5p_mfc_dec_g_v_ctrl(struct v4l2_ctrl *ctrl) 722{ 723 struct s5p_mfc_ctx *ctx = ctrl_to_ctx(ctrl); 724 struct s5p_mfc_dev *dev = ctx->dev; 725 726 switch (ctrl->id) { 727 case V4L2_CID_MIN_BUFFERS_FOR_CAPTURE: 728 if (ctx->state >= MFCINST_HEAD_PARSED && 729 ctx->state < MFCINST_ABORT) { 730 ctrl->val = ctx->dpb_count; 731 break; 732 } else if (ctx->state != MFCINST_INIT) { 733 v4l2_err(&dev->v4l2_dev, "Decoding not initialised\n"); 734 return -EINVAL; 735 } 736 /* Should wait for the header to be parsed */ 737 s5p_mfc_clean_ctx_int_flags(ctx); 738 s5p_mfc_wait_for_done_ctx(ctx, 739 S5P_MFC_R2H_CMD_SEQ_DONE_RET, 0); 740 if (ctx->state >= MFCINST_HEAD_PARSED && 741 ctx->state < MFCINST_ABORT) { 742 ctrl->val = ctx->dpb_count; 743 } else { 744 v4l2_err(&dev->v4l2_dev, "Decoding not initialised\n"); 745 return -EINVAL; 746 } 747 break; 748 } 749 return 0; 750} 751 752 753static const struct v4l2_ctrl_ops s5p_mfc_dec_ctrl_ops = { 754 .s_ctrl = s5p_mfc_dec_s_ctrl, 755 .g_volatile_ctrl = s5p_mfc_dec_g_v_ctrl, 756}; 757 758/* Get cropping information */ 759static int vidioc_g_crop(struct file *file, void *priv, 760 struct v4l2_crop *cr) 761{ 762 struct s5p_mfc_ctx *ctx = fh_to_ctx(priv); 763 struct s5p_mfc_dev *dev = ctx->dev; 764 u32 left, right, top, bottom; 765 766 if (ctx->state != MFCINST_HEAD_PARSED && 767 ctx->state != MFCINST_RUNNING && ctx->state != MFCINST_FINISHING 768 && ctx->state != MFCINST_FINISHED) { 769 mfc_err("Cannont set crop\n"); 770 return -EINVAL; 771 } 772 if (ctx->src_fmt->fourcc == V4L2_PIX_FMT_H264) { 773 left = s5p_mfc_hw_call(dev->mfc_ops, get_crop_info_h, ctx); 774 right = left >> S5P_FIMV_SHARED_CROP_RIGHT_SHIFT; 775 left = left & S5P_FIMV_SHARED_CROP_LEFT_MASK; 776 top = s5p_mfc_hw_call(dev->mfc_ops, get_crop_info_v, ctx); 777 bottom = top >> S5P_FIMV_SHARED_CROP_BOTTOM_SHIFT; 778 top = top & S5P_FIMV_SHARED_CROP_TOP_MASK; 779 cr->c.left = left; 780 cr->c.top = top; 781 cr->c.width = ctx->img_width - left - right; 782 cr->c.height = ctx->img_height - top - bottom; 783 mfc_debug(2, "Cropping info [h264]: l=%d t=%d " 784 "w=%d h=%d (r=%d b=%d fw=%d fh=%d\n", left, top, 785 cr->c.width, cr->c.height, right, bottom, 786 ctx->buf_width, ctx->buf_height); 787 } else { 788 cr->c.left = 0; 789 cr->c.top = 0; 790 cr->c.width = ctx->img_width; 791 cr->c.height = ctx->img_height; 792 mfc_debug(2, "Cropping info: w=%d h=%d fw=%d " 793 "fh=%d\n", cr->c.width, cr->c.height, ctx->buf_width, 794 ctx->buf_height); 795 } 796 return 0; 797} 798 799/* v4l2_ioctl_ops */ 800static const struct v4l2_ioctl_ops s5p_mfc_dec_ioctl_ops = { 801 .vidioc_querycap = vidioc_querycap, 802 .vidioc_enum_fmt_vid_cap = vidioc_enum_fmt_vid_cap, 803 .vidioc_enum_fmt_vid_cap_mplane = vidioc_enum_fmt_vid_cap_mplane, 804 .vidioc_enum_fmt_vid_out = vidioc_enum_fmt_vid_out, 805 .vidioc_enum_fmt_vid_out_mplane = vidioc_enum_fmt_vid_out_mplane, 806 .vidioc_g_fmt_vid_cap_mplane = vidioc_g_fmt, 807 .vidioc_g_fmt_vid_out_mplane = vidioc_g_fmt, 808 .vidioc_try_fmt_vid_cap_mplane = vidioc_try_fmt, 809 .vidioc_try_fmt_vid_out_mplane = vidioc_try_fmt, 810 .vidioc_s_fmt_vid_cap_mplane = vidioc_s_fmt, 811 .vidioc_s_fmt_vid_out_mplane = vidioc_s_fmt, 812 .vidioc_reqbufs = vidioc_reqbufs, 813 .vidioc_querybuf = vidioc_querybuf, 814 .vidioc_qbuf = vidioc_qbuf, 815 .vidioc_dqbuf = vidioc_dqbuf, 816 .vidioc_streamon = vidioc_streamon, 817 .vidioc_streamoff = vidioc_streamoff, 818 .vidioc_g_crop = vidioc_g_crop, 819}; 820 821static int s5p_mfc_queue_setup(struct vb2_queue *vq, 822 const struct v4l2_format *fmt, unsigned int *buf_count, 823 unsigned int *plane_count, unsigned int psize[], 824 void *allocators[]) 825{ 826 struct s5p_mfc_ctx *ctx = fh_to_ctx(vq->drv_priv); 827 struct s5p_mfc_dev *dev = ctx->dev; 828 829 /* Video output for decoding (source) 830 * this can be set after getting an instance */ 831 if (ctx->state == MFCINST_INIT && 832 vq->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) { 833 /* A single plane is required for input */ 834 *plane_count = 1; 835 if (*buf_count < 1) 836 *buf_count = 1; 837 if (*buf_count > MFC_MAX_BUFFERS) 838 *buf_count = MFC_MAX_BUFFERS; 839 /* Video capture for decoding (destination) 840 * this can be set after the header was parsed */ 841 } else if (ctx->state == MFCINST_HEAD_PARSED && 842 vq->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) { 843 /* Output plane count is 2 - one for Y and one for CbCr */ 844 *plane_count = 2; 845 /* Setup buffer count */ 846 if (*buf_count < ctx->dpb_count) 847 *buf_count = ctx->dpb_count; 848 if (*buf_count > ctx->dpb_count + MFC_MAX_EXTRA_DPB) 849 *buf_count = ctx->dpb_count + MFC_MAX_EXTRA_DPB; 850 if (*buf_count > MFC_MAX_BUFFERS) 851 *buf_count = MFC_MAX_BUFFERS; 852 } else { 853 mfc_err("State seems invalid. State = %d, vq->type = %d\n", 854 ctx->state, vq->type); 855 return -EINVAL; 856 } 857 mfc_debug(2, "Buffer count=%d, plane count=%d\n", 858 *buf_count, *plane_count); 859 if (ctx->state == MFCINST_HEAD_PARSED && 860 vq->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) { 861 psize[0] = ctx->luma_size; 862 psize[1] = ctx->chroma_size; 863 864 if (IS_MFCV6(dev)) 865 allocators[0] = 866 ctx->dev->alloc_ctx[MFC_BANK1_ALLOC_CTX]; 867 else 868 allocators[0] = 869 ctx->dev->alloc_ctx[MFC_BANK2_ALLOC_CTX]; 870 allocators[1] = ctx->dev->alloc_ctx[MFC_BANK1_ALLOC_CTX]; 871 } else if (vq->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE && 872 ctx->state == MFCINST_INIT) { 873 psize[0] = ctx->dec_src_buf_size; 874 allocators[0] = ctx->dev->alloc_ctx[MFC_BANK1_ALLOC_CTX]; 875 } else { 876 mfc_err("This video node is dedicated to decoding. Decoding not initalised\n"); 877 return -EINVAL; 878 } 879 return 0; 880} 881 882static void s5p_mfc_unlock(struct vb2_queue *q) 883{ 884 struct s5p_mfc_ctx *ctx = fh_to_ctx(q->drv_priv); 885 struct s5p_mfc_dev *dev = ctx->dev; 886 887 mutex_unlock(&dev->mfc_mutex); 888} 889 890static void s5p_mfc_lock(struct vb2_queue *q) 891{ 892 struct s5p_mfc_ctx *ctx = fh_to_ctx(q->drv_priv); 893 struct s5p_mfc_dev *dev = ctx->dev; 894 895 mutex_lock(&dev->mfc_mutex); 896} 897 898static int s5p_mfc_buf_init(struct vb2_buffer *vb) 899{ 900 struct vb2_queue *vq = vb->vb2_queue; 901 struct s5p_mfc_ctx *ctx = fh_to_ctx(vq->drv_priv); 902 unsigned int i; 903 904 if (vq->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) { 905 if (ctx->capture_state == QUEUE_BUFS_MMAPED) 906 return 0; 907 for (i = 0; i <= ctx->src_fmt->num_planes ; i++) { 908 if (IS_ERR_OR_NULL(ERR_PTR( 909 vb2_dma_contig_plane_dma_addr(vb, i)))) { 910 mfc_err("Plane mem not allocated\n"); 911 return -EINVAL; 912 } 913 } 914 if (vb2_plane_size(vb, 0) < ctx->luma_size || 915 vb2_plane_size(vb, 1) < ctx->chroma_size) { 916 mfc_err("Plane buffer (CAPTURE) is too small\n"); 917 return -EINVAL; 918 } 919 i = vb->v4l2_buf.index; 920 ctx->dst_bufs[i].b = vb; 921 ctx->dst_bufs[i].cookie.raw.luma = 922 vb2_dma_contig_plane_dma_addr(vb, 0); 923 ctx->dst_bufs[i].cookie.raw.chroma = 924 vb2_dma_contig_plane_dma_addr(vb, 1); 925 ctx->dst_bufs_cnt++; 926 } else if (vq->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) { 927 if (IS_ERR_OR_NULL(ERR_PTR( 928 vb2_dma_contig_plane_dma_addr(vb, 0)))) { 929 mfc_err("Plane memory not allocated\n"); 930 return -EINVAL; 931 } 932 if (vb2_plane_size(vb, 0) < ctx->dec_src_buf_size) { 933 mfc_err("Plane buffer (OUTPUT) is too small\n"); 934 return -EINVAL; 935 } 936 937 i = vb->v4l2_buf.index; 938 ctx->src_bufs[i].b = vb; 939 ctx->src_bufs[i].cookie.stream = 940 vb2_dma_contig_plane_dma_addr(vb, 0); 941 ctx->src_bufs_cnt++; 942 } else { 943 mfc_err("s5p_mfc_buf_init: unknown queue type\n"); 944 return -EINVAL; 945 } 946 return 0; 947} 948 949static int s5p_mfc_start_streaming(struct vb2_queue *q, unsigned int count) 950{ 951 struct s5p_mfc_ctx *ctx = fh_to_ctx(q->drv_priv); 952 struct s5p_mfc_dev *dev = ctx->dev; 953 954 v4l2_ctrl_handler_setup(&ctx->ctrl_handler); 955 if (ctx->state == MFCINST_FINISHING || 956 ctx->state == MFCINST_FINISHED) 957 ctx->state = MFCINST_RUNNING; 958 /* If context is ready then dev = work->data;schedule it to run */ 959 if (s5p_mfc_ctx_ready(ctx)) 960 set_work_bit_irqsave(ctx); 961 s5p_mfc_hw_call(dev->mfc_ops, try_run, dev); 962 return 0; 963} 964 965static int s5p_mfc_stop_streaming(struct vb2_queue *q) 966{ 967 unsigned long flags; 968 struct s5p_mfc_ctx *ctx = fh_to_ctx(q->drv_priv); 969 struct s5p_mfc_dev *dev = ctx->dev; 970 int aborted = 0; 971 972 if ((ctx->state == MFCINST_FINISHING || 973 ctx->state == MFCINST_RUNNING) && 974 dev->curr_ctx == ctx->num && dev->hw_lock) { 975 ctx->state = MFCINST_ABORT; 976 s5p_mfc_wait_for_done_ctx(ctx, 977 S5P_MFC_R2H_CMD_FRAME_DONE_RET, 0); 978 aborted = 1; 979 } 980 spin_lock_irqsave(&dev->irqlock, flags); 981 if (q->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) { 982 s5p_mfc_hw_call(dev->mfc_ops, cleanup_queue, &ctx->dst_queue, 983 &ctx->vq_dst); 984 INIT_LIST_HEAD(&ctx->dst_queue); 985 ctx->dst_queue_cnt = 0; 986 ctx->dpb_flush_flag = 1; 987 ctx->dec_dst_flag = 0; 988 } 989 if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) { 990 s5p_mfc_hw_call(dev->mfc_ops, cleanup_queue, &ctx->src_queue, 991 &ctx->vq_src); 992 INIT_LIST_HEAD(&ctx->src_queue); 993 ctx->src_queue_cnt = 0; 994 } 995 if (aborted) 996 ctx->state = MFCINST_RUNNING; 997 spin_unlock_irqrestore(&dev->irqlock, flags); 998 return 0; 999} 1000 1001 1002static void s5p_mfc_buf_queue(struct vb2_buffer *vb) 1003{ 1004 struct vb2_queue *vq = vb->vb2_queue; 1005 struct s5p_mfc_ctx *ctx = fh_to_ctx(vq->drv_priv); 1006 struct s5p_mfc_dev *dev = ctx->dev; 1007 unsigned long flags; 1008 struct s5p_mfc_buf *mfc_buf; 1009 1010 if (vq->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) { 1011 mfc_buf = &ctx->src_bufs[vb->v4l2_buf.index]; 1012 mfc_buf->flags &= ~MFC_BUF_FLAG_USED; 1013 spin_lock_irqsave(&dev->irqlock, flags); 1014 list_add_tail(&mfc_buf->list, &ctx->src_queue); 1015 ctx->src_queue_cnt++; 1016 spin_unlock_irqrestore(&dev->irqlock, flags); 1017 } else if (vq->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) { 1018 mfc_buf = &ctx->dst_bufs[vb->v4l2_buf.index]; 1019 mfc_buf->flags &= ~MFC_BUF_FLAG_USED; 1020 /* Mark destination as available for use by MFC */ 1021 spin_lock_irqsave(&dev->irqlock, flags); 1022 set_bit(vb->v4l2_buf.index, &ctx->dec_dst_flag); 1023 list_add_tail(&mfc_buf->list, &ctx->dst_queue); 1024 ctx->dst_queue_cnt++; 1025 spin_unlock_irqrestore(&dev->irqlock, flags); 1026 } else { 1027 mfc_err("Unsupported buffer type (%d)\n", vq->type); 1028 } 1029 if (s5p_mfc_ctx_ready(ctx)) 1030 set_work_bit_irqsave(ctx); 1031 s5p_mfc_hw_call(dev->mfc_ops, try_run, dev); 1032} 1033 1034static struct vb2_ops s5p_mfc_dec_qops = { 1035 .queue_setup = s5p_mfc_queue_setup, 1036 .wait_prepare = s5p_mfc_unlock, 1037 .wait_finish = s5p_mfc_lock, 1038 .buf_init = s5p_mfc_buf_init, 1039 .start_streaming = s5p_mfc_start_streaming, 1040 .stop_streaming = s5p_mfc_stop_streaming, 1041 .buf_queue = s5p_mfc_buf_queue, 1042}; 1043 1044struct s5p_mfc_codec_ops *get_dec_codec_ops(void) 1045{ 1046 return &decoder_codec_ops; 1047} 1048 1049struct vb2_ops *get_dec_queue_ops(void) 1050{ 1051 return &s5p_mfc_dec_qops; 1052} 1053 1054const struct v4l2_ioctl_ops *get_dec_v4l2_ioctl_ops(void) 1055{ 1056 return &s5p_mfc_dec_ioctl_ops; 1057} 1058 1059#define IS_MFC51_PRIV(x) ((V4L2_CTRL_ID2CLASS(x) == V4L2_CTRL_CLASS_MPEG) \ 1060 && V4L2_CTRL_DRIVER_PRIV(x)) 1061 1062int s5p_mfc_dec_ctrls_setup(struct s5p_mfc_ctx *ctx) 1063{ 1064 struct v4l2_ctrl_config cfg; 1065 int i; 1066 1067 v4l2_ctrl_handler_init(&ctx->ctrl_handler, NUM_CTRLS); 1068 if (ctx->ctrl_handler.error) { 1069 mfc_err("v4l2_ctrl_handler_init failed\n"); 1070 return ctx->ctrl_handler.error; 1071 } 1072 1073 for (i = 0; i < NUM_CTRLS; i++) { 1074 if (IS_MFC51_PRIV(controls[i].id)) { 1075 memset(&cfg, 0, sizeof(struct v4l2_ctrl_config)); 1076 cfg.ops = &s5p_mfc_dec_ctrl_ops; 1077 cfg.id = controls[i].id; 1078 cfg.min = controls[i].minimum; 1079 cfg.max = controls[i].maximum; 1080 cfg.def = controls[i].default_value; 1081 cfg.name = controls[i].name; 1082 cfg.type = controls[i].type; 1083 1084 cfg.step = controls[i].step; 1085 cfg.menu_skip_mask = 0; 1086 1087 ctx->ctrls[i] = v4l2_ctrl_new_custom(&ctx->ctrl_handler, 1088 &cfg, NULL); 1089 } else { 1090 ctx->ctrls[i] = v4l2_ctrl_new_std(&ctx->ctrl_handler, 1091 &s5p_mfc_dec_ctrl_ops, 1092 controls[i].id, controls[i].minimum, 1093 controls[i].maximum, controls[i].step, 1094 controls[i].default_value); 1095 } 1096 if (ctx->ctrl_handler.error) { 1097 mfc_err("Adding control (%d) failed\n", i); 1098 return ctx->ctrl_handler.error; 1099 } 1100 if (controls[i].is_volatile && ctx->ctrls[i]) 1101 ctx->ctrls[i]->flags |= V4L2_CTRL_FLAG_VOLATILE; 1102 } 1103 return 0; 1104} 1105 1106void s5p_mfc_dec_ctrls_delete(struct s5p_mfc_ctx *ctx) 1107{ 1108 int i; 1109 1110 v4l2_ctrl_handler_free(&ctx->ctrl_handler); 1111 for (i = 0; i < NUM_CTRLS; i++) 1112 ctx->ctrls[i] = NULL; 1113} 1114 1115void s5p_mfc_dec_init(struct s5p_mfc_ctx *ctx) 1116{ 1117 struct v4l2_format f; 1118 f.fmt.pix_mp.pixelformat = DEF_SRC_FMT_DEC; 1119 ctx->src_fmt = find_format(&f, MFC_FMT_DEC); 1120 f.fmt.pix_mp.pixelformat = DEF_DST_FMT_DEC; 1121 ctx->dst_fmt = find_format(&f, MFC_FMT_RAW); 1122 mfc_debug(2, "Default src_fmt is %x, dest_fmt is %x\n", 1123 (unsigned int)ctx->src_fmt, (unsigned int)ctx->dst_fmt); 1124} 1125