s5p_mfc_dec.c revision b2634562ad90be16441cff1127136457ea619466
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 = ctx->dst_fmt->fourcc; 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 (fmt->codec_mode == S5P_FIMV_CODEC_NONE) { 386 mfc_err("Unknown codec\n"); 387 return -EINVAL; 388 } 389 if (!IS_MFCV6(dev)) { 390 if (fmt->fourcc == V4L2_PIX_FMT_VP8) { 391 mfc_err("Not supported format.\n"); 392 return -EINVAL; 393 } 394 } 395 } else if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) { 396 fmt = find_format(f, MFC_FMT_RAW); 397 if (!fmt) { 398 mfc_err("Unsupported format for destination.\n"); 399 return -EINVAL; 400 } 401 if (IS_MFCV6(dev) && (fmt->fourcc == V4L2_PIX_FMT_NV12MT)) { 402 mfc_err("Not supported format.\n"); 403 return -EINVAL; 404 } else if (!IS_MFCV6(dev) && 405 (fmt->fourcc != V4L2_PIX_FMT_NV12MT)) { 406 mfc_err("Not supported format.\n"); 407 return -EINVAL; 408 } 409 } 410 411 return 0; 412} 413 414/* Set format */ 415static int vidioc_s_fmt(struct file *file, void *priv, struct v4l2_format *f) 416{ 417 struct s5p_mfc_dev *dev = video_drvdata(file); 418 struct s5p_mfc_ctx *ctx = fh_to_ctx(priv); 419 int ret = 0; 420 struct v4l2_pix_format_mplane *pix_mp; 421 422 mfc_debug_enter(); 423 ret = vidioc_try_fmt(file, priv, f); 424 pix_mp = &f->fmt.pix_mp; 425 if (ret) 426 return ret; 427 if (ctx->vq_src.streaming || ctx->vq_dst.streaming) { 428 v4l2_err(&dev->v4l2_dev, "%s queue busy\n", __func__); 429 ret = -EBUSY; 430 goto out; 431 } 432 if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) { 433 /* dst_fmt is validated by call to vidioc_try_fmt */ 434 ctx->dst_fmt = find_format(f, MFC_FMT_RAW); 435 ret = 0; 436 goto out; 437 } else if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) { 438 /* src_fmt is validated by call to vidioc_try_fmt */ 439 ctx->src_fmt = find_format(f, MFC_FMT_DEC); 440 ctx->codec_mode = ctx->src_fmt->codec_mode; 441 mfc_debug(2, "The codec number is: %d\n", ctx->codec_mode); 442 pix_mp->height = 0; 443 pix_mp->width = 0; 444 if (pix_mp->plane_fmt[0].sizeimage) 445 ctx->dec_src_buf_size = pix_mp->plane_fmt[0].sizeimage; 446 else 447 pix_mp->plane_fmt[0].sizeimage = ctx->dec_src_buf_size = 448 DEF_CPB_SIZE; 449 pix_mp->plane_fmt[0].bytesperline = 0; 450 ctx->state = MFCINST_INIT; 451 ret = 0; 452 goto out; 453 } else { 454 mfc_err("Wrong type error for S_FMT : %d", f->type); 455 ret = -EINVAL; 456 goto out; 457 } 458 459out: 460 mfc_debug_leave(); 461 return ret; 462} 463 464/* Reqeust buffers */ 465static int vidioc_reqbufs(struct file *file, void *priv, 466 struct v4l2_requestbuffers *reqbufs) 467{ 468 struct s5p_mfc_dev *dev = video_drvdata(file); 469 struct s5p_mfc_ctx *ctx = fh_to_ctx(priv); 470 int ret = 0; 471 472 if (reqbufs->memory != V4L2_MEMORY_MMAP) { 473 mfc_err("Only V4L2_MEMORY_MAP is supported\n"); 474 return -EINVAL; 475 } 476 if (reqbufs->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) { 477 /* Can only request buffers after an instance has been opened.*/ 478 if (ctx->state == MFCINST_INIT) { 479 ctx->src_bufs_cnt = 0; 480 if (reqbufs->count == 0) { 481 mfc_debug(2, "Freeing buffers\n"); 482 s5p_mfc_clock_on(); 483 ret = vb2_reqbufs(&ctx->vq_src, reqbufs); 484 s5p_mfc_clock_off(); 485 return ret; 486 } 487 /* Decoding */ 488 if (ctx->output_state != QUEUE_FREE) { 489 mfc_err("Bufs have already been requested\n"); 490 return -EINVAL; 491 } 492 s5p_mfc_clock_on(); 493 ret = vb2_reqbufs(&ctx->vq_src, reqbufs); 494 s5p_mfc_clock_off(); 495 if (ret) { 496 mfc_err("vb2_reqbufs on output failed\n"); 497 return ret; 498 } 499 mfc_debug(2, "vb2_reqbufs: %d\n", ret); 500 ctx->output_state = QUEUE_BUFS_REQUESTED; 501 } 502 } else if (reqbufs->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) { 503 ctx->dst_bufs_cnt = 0; 504 if (reqbufs->count == 0) { 505 mfc_debug(2, "Freeing buffers\n"); 506 s5p_mfc_clock_on(); 507 ret = vb2_reqbufs(&ctx->vq_dst, reqbufs); 508 s5p_mfc_clock_off(); 509 return ret; 510 } 511 if (ctx->capture_state != QUEUE_FREE) { 512 mfc_err("Bufs have already been requested\n"); 513 return -EINVAL; 514 } 515 ctx->capture_state = QUEUE_BUFS_REQUESTED; 516 s5p_mfc_clock_on(); 517 ret = vb2_reqbufs(&ctx->vq_dst, reqbufs); 518 s5p_mfc_clock_off(); 519 if (ret) { 520 mfc_err("vb2_reqbufs on capture failed\n"); 521 return ret; 522 } 523 if (reqbufs->count < ctx->pb_count) { 524 mfc_err("Not enough buffers allocated\n"); 525 reqbufs->count = 0; 526 s5p_mfc_clock_on(); 527 ret = vb2_reqbufs(&ctx->vq_dst, reqbufs); 528 s5p_mfc_clock_off(); 529 return -ENOMEM; 530 } 531 ctx->total_dpb_count = reqbufs->count; 532 ret = s5p_mfc_hw_call(dev->mfc_ops, alloc_codec_buffers, ctx); 533 if (ret) { 534 mfc_err("Failed to allocate decoding buffers\n"); 535 reqbufs->count = 0; 536 s5p_mfc_clock_on(); 537 ret = vb2_reqbufs(&ctx->vq_dst, reqbufs); 538 s5p_mfc_clock_off(); 539 return -ENOMEM; 540 } 541 if (ctx->dst_bufs_cnt == ctx->total_dpb_count) { 542 ctx->capture_state = QUEUE_BUFS_MMAPED; 543 } else { 544 mfc_err("Not all buffers passed to buf_init\n"); 545 reqbufs->count = 0; 546 s5p_mfc_clock_on(); 547 ret = vb2_reqbufs(&ctx->vq_dst, reqbufs); 548 s5p_mfc_hw_call(dev->mfc_ops, release_codec_buffers, 549 ctx); 550 s5p_mfc_clock_off(); 551 return -ENOMEM; 552 } 553 if (s5p_mfc_ctx_ready(ctx)) 554 set_work_bit_irqsave(ctx); 555 s5p_mfc_hw_call(dev->mfc_ops, try_run, dev); 556 s5p_mfc_wait_for_done_ctx(ctx, 557 S5P_MFC_R2H_CMD_INIT_BUFFERS_RET, 0); 558 } 559 return ret; 560} 561 562/* Query buffer */ 563static int vidioc_querybuf(struct file *file, void *priv, 564 struct v4l2_buffer *buf) 565{ 566 struct s5p_mfc_ctx *ctx = fh_to_ctx(priv); 567 int ret; 568 int i; 569 570 if (buf->memory != V4L2_MEMORY_MMAP) { 571 mfc_err("Only mmaped buffers can be used\n"); 572 return -EINVAL; 573 } 574 mfc_debug(2, "State: %d, buf->type: %d\n", ctx->state, buf->type); 575 if (ctx->state == MFCINST_INIT && 576 buf->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) { 577 ret = vb2_querybuf(&ctx->vq_src, buf); 578 } else if (ctx->state == MFCINST_RUNNING && 579 buf->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) { 580 ret = vb2_querybuf(&ctx->vq_dst, buf); 581 for (i = 0; i < buf->length; i++) 582 buf->m.planes[i].m.mem_offset += DST_QUEUE_OFF_BASE; 583 } else { 584 mfc_err("vidioc_querybuf called in an inappropriate state\n"); 585 ret = -EINVAL; 586 } 587 mfc_debug_leave(); 588 return ret; 589} 590 591/* Queue a buffer */ 592static int vidioc_qbuf(struct file *file, void *priv, struct v4l2_buffer *buf) 593{ 594 struct s5p_mfc_ctx *ctx = fh_to_ctx(priv); 595 596 if (ctx->state == MFCINST_ERROR) { 597 mfc_err("Call on QBUF after unrecoverable error\n"); 598 return -EIO; 599 } 600 if (buf->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) 601 return vb2_qbuf(&ctx->vq_src, buf); 602 else if (buf->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) 603 return vb2_qbuf(&ctx->vq_dst, buf); 604 return -EINVAL; 605} 606 607/* Dequeue a buffer */ 608static int vidioc_dqbuf(struct file *file, void *priv, struct v4l2_buffer *buf) 609{ 610 const struct v4l2_event ev = { 611 .type = V4L2_EVENT_EOS 612 }; 613 struct s5p_mfc_ctx *ctx = fh_to_ctx(priv); 614 int ret; 615 616 if (ctx->state == MFCINST_ERROR) { 617 mfc_err("Call on DQBUF after unrecoverable error\n"); 618 return -EIO; 619 } 620 if (buf->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) 621 ret = vb2_dqbuf(&ctx->vq_src, buf, file->f_flags & O_NONBLOCK); 622 else if (buf->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) { 623 ret = vb2_dqbuf(&ctx->vq_dst, buf, file->f_flags & O_NONBLOCK); 624 if (ret == 0 && ctx->state == MFCINST_FINISHED && 625 list_empty(&ctx->vq_dst.done_list)) 626 v4l2_event_queue_fh(&ctx->fh, &ev); 627 } else { 628 ret = -EINVAL; 629 } 630 return ret; 631} 632 633/* Export DMA buffer */ 634static int vidioc_expbuf(struct file *file, void *priv, 635 struct v4l2_exportbuffer *eb) 636{ 637 struct s5p_mfc_ctx *ctx = fh_to_ctx(priv); 638 639 if (eb->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) 640 return vb2_expbuf(&ctx->vq_src, eb); 641 if (eb->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) 642 return vb2_expbuf(&ctx->vq_dst, eb); 643 return -EINVAL; 644} 645 646/* Stream on */ 647static int vidioc_streamon(struct file *file, void *priv, 648 enum v4l2_buf_type type) 649{ 650 struct s5p_mfc_ctx *ctx = fh_to_ctx(priv); 651 struct s5p_mfc_dev *dev = ctx->dev; 652 int ret = -EINVAL; 653 654 mfc_debug_enter(); 655 if (type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) { 656 657 if (ctx->state == MFCINST_INIT) { 658 ctx->dst_bufs_cnt = 0; 659 ctx->src_bufs_cnt = 0; 660 ctx->capture_state = QUEUE_FREE; 661 ctx->output_state = QUEUE_FREE; 662 s5p_mfc_hw_call(dev->mfc_ops, alloc_instance_buffer, 663 ctx); 664 s5p_mfc_hw_call(dev->mfc_ops, alloc_dec_temp_buffers, 665 ctx); 666 set_work_bit_irqsave(ctx); 667 s5p_mfc_clean_ctx_int_flags(ctx); 668 s5p_mfc_hw_call(dev->mfc_ops, try_run, dev); 669 670 if (s5p_mfc_wait_for_done_ctx(ctx, 671 S5P_MFC_R2H_CMD_OPEN_INSTANCE_RET, 0)) { 672 /* Error or timeout */ 673 mfc_err("Error getting instance from hardware\n"); 674 s5p_mfc_hw_call(dev->mfc_ops, 675 release_instance_buffer, ctx); 676 s5p_mfc_hw_call(dev->mfc_ops, 677 release_dec_desc_buffer, ctx); 678 return -EIO; 679 } 680 mfc_debug(2, "Got instance number: %d\n", ctx->inst_no); 681 } 682 ret = vb2_streamon(&ctx->vq_src, type); 683 } 684 else if (type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) 685 ret = vb2_streamon(&ctx->vq_dst, type); 686 mfc_debug_leave(); 687 return ret; 688} 689 690/* Stream off, which equals to a pause */ 691static int vidioc_streamoff(struct file *file, void *priv, 692 enum v4l2_buf_type type) 693{ 694 struct s5p_mfc_ctx *ctx = fh_to_ctx(priv); 695 696 if (type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) 697 return vb2_streamoff(&ctx->vq_src, type); 698 else if (type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) 699 return vb2_streamoff(&ctx->vq_dst, type); 700 return -EINVAL; 701} 702 703/* Set controls - v4l2 control framework */ 704static int s5p_mfc_dec_s_ctrl(struct v4l2_ctrl *ctrl) 705{ 706 struct s5p_mfc_ctx *ctx = ctrl_to_ctx(ctrl); 707 708 switch (ctrl->id) { 709 case V4L2_CID_MPEG_MFC51_VIDEO_DECODER_H264_DISPLAY_DELAY: 710 ctx->display_delay = ctrl->val; 711 break; 712 case V4L2_CID_MPEG_MFC51_VIDEO_DECODER_H264_DISPLAY_DELAY_ENABLE: 713 ctx->display_delay_enable = ctrl->val; 714 break; 715 case V4L2_CID_MPEG_VIDEO_DECODER_MPEG4_DEBLOCK_FILTER: 716 ctx->loop_filter_mpeg4 = ctrl->val; 717 break; 718 case V4L2_CID_MPEG_VIDEO_DECODER_SLICE_INTERFACE: 719 ctx->slice_interface = ctrl->val; 720 break; 721 default: 722 mfc_err("Invalid control 0x%08x\n", ctrl->id); 723 return -EINVAL; 724 } 725 return 0; 726} 727 728static int s5p_mfc_dec_g_v_ctrl(struct v4l2_ctrl *ctrl) 729{ 730 struct s5p_mfc_ctx *ctx = ctrl_to_ctx(ctrl); 731 struct s5p_mfc_dev *dev = ctx->dev; 732 733 switch (ctrl->id) { 734 case V4L2_CID_MIN_BUFFERS_FOR_CAPTURE: 735 if (ctx->state >= MFCINST_HEAD_PARSED && 736 ctx->state < MFCINST_ABORT) { 737 ctrl->val = ctx->pb_count; 738 break; 739 } else if (ctx->state != MFCINST_INIT) { 740 v4l2_err(&dev->v4l2_dev, "Decoding not initialised\n"); 741 return -EINVAL; 742 } 743 /* Should wait for the header to be parsed */ 744 s5p_mfc_clean_ctx_int_flags(ctx); 745 s5p_mfc_wait_for_done_ctx(ctx, 746 S5P_MFC_R2H_CMD_SEQ_DONE_RET, 0); 747 if (ctx->state >= MFCINST_HEAD_PARSED && 748 ctx->state < MFCINST_ABORT) { 749 ctrl->val = ctx->pb_count; 750 } else { 751 v4l2_err(&dev->v4l2_dev, "Decoding not initialised\n"); 752 return -EINVAL; 753 } 754 break; 755 } 756 return 0; 757} 758 759 760static const struct v4l2_ctrl_ops s5p_mfc_dec_ctrl_ops = { 761 .s_ctrl = s5p_mfc_dec_s_ctrl, 762 .g_volatile_ctrl = s5p_mfc_dec_g_v_ctrl, 763}; 764 765/* Get cropping information */ 766static int vidioc_g_crop(struct file *file, void *priv, 767 struct v4l2_crop *cr) 768{ 769 struct s5p_mfc_ctx *ctx = fh_to_ctx(priv); 770 struct s5p_mfc_dev *dev = ctx->dev; 771 u32 left, right, top, bottom; 772 773 if (ctx->state != MFCINST_HEAD_PARSED && 774 ctx->state != MFCINST_RUNNING && ctx->state != MFCINST_FINISHING 775 && ctx->state != MFCINST_FINISHED) { 776 mfc_err("Cannont set crop\n"); 777 return -EINVAL; 778 } 779 if (ctx->src_fmt->fourcc == V4L2_PIX_FMT_H264) { 780 left = s5p_mfc_hw_call(dev->mfc_ops, get_crop_info_h, ctx); 781 right = left >> S5P_FIMV_SHARED_CROP_RIGHT_SHIFT; 782 left = left & S5P_FIMV_SHARED_CROP_LEFT_MASK; 783 top = s5p_mfc_hw_call(dev->mfc_ops, get_crop_info_v, ctx); 784 bottom = top >> S5P_FIMV_SHARED_CROP_BOTTOM_SHIFT; 785 top = top & S5P_FIMV_SHARED_CROP_TOP_MASK; 786 cr->c.left = left; 787 cr->c.top = top; 788 cr->c.width = ctx->img_width - left - right; 789 cr->c.height = ctx->img_height - top - bottom; 790 mfc_debug(2, "Cropping info [h264]: l=%d t=%d " 791 "w=%d h=%d (r=%d b=%d fw=%d fh=%d\n", left, top, 792 cr->c.width, cr->c.height, right, bottom, 793 ctx->buf_width, ctx->buf_height); 794 } else { 795 cr->c.left = 0; 796 cr->c.top = 0; 797 cr->c.width = ctx->img_width; 798 cr->c.height = ctx->img_height; 799 mfc_debug(2, "Cropping info: w=%d h=%d fw=%d " 800 "fh=%d\n", cr->c.width, cr->c.height, ctx->buf_width, 801 ctx->buf_height); 802 } 803 return 0; 804} 805 806int vidioc_decoder_cmd(struct file *file, void *priv, 807 struct v4l2_decoder_cmd *cmd) 808{ 809 struct s5p_mfc_ctx *ctx = fh_to_ctx(priv); 810 struct s5p_mfc_dev *dev = ctx->dev; 811 struct s5p_mfc_buf *buf; 812 unsigned long flags; 813 814 switch (cmd->cmd) { 815 case V4L2_ENC_CMD_STOP: 816 if (cmd->flags != 0) 817 return -EINVAL; 818 819 if (!ctx->vq_src.streaming) 820 return -EINVAL; 821 822 spin_lock_irqsave(&dev->irqlock, flags); 823 if (list_empty(&ctx->src_queue)) { 824 mfc_err("EOS: empty src queue, entering finishing state"); 825 ctx->state = MFCINST_FINISHING; 826 if (s5p_mfc_ctx_ready(ctx)) 827 set_work_bit_irqsave(ctx); 828 spin_unlock_irqrestore(&dev->irqlock, flags); 829 s5p_mfc_hw_call(dev->mfc_ops, try_run, dev); 830 } else { 831 mfc_err("EOS: marking last buffer of stream"); 832 buf = list_entry(ctx->src_queue.prev, 833 struct s5p_mfc_buf, list); 834 if (buf->flags & MFC_BUF_FLAG_USED) 835 ctx->state = MFCINST_FINISHING; 836 else 837 buf->flags |= MFC_BUF_FLAG_EOS; 838 spin_unlock_irqrestore(&dev->irqlock, flags); 839 } 840 break; 841 default: 842 return -EINVAL; 843 } 844 return 0; 845} 846 847static int vidioc_subscribe_event(struct v4l2_fh *fh, 848 const struct v4l2_event_subscription *sub) 849{ 850 switch (sub->type) { 851 case V4L2_EVENT_EOS: 852 return v4l2_event_subscribe(fh, sub, 2, NULL); 853 default: 854 return -EINVAL; 855 } 856} 857 858 859/* v4l2_ioctl_ops */ 860static const struct v4l2_ioctl_ops s5p_mfc_dec_ioctl_ops = { 861 .vidioc_querycap = vidioc_querycap, 862 .vidioc_enum_fmt_vid_cap = vidioc_enum_fmt_vid_cap, 863 .vidioc_enum_fmt_vid_cap_mplane = vidioc_enum_fmt_vid_cap_mplane, 864 .vidioc_enum_fmt_vid_out = vidioc_enum_fmt_vid_out, 865 .vidioc_enum_fmt_vid_out_mplane = vidioc_enum_fmt_vid_out_mplane, 866 .vidioc_g_fmt_vid_cap_mplane = vidioc_g_fmt, 867 .vidioc_g_fmt_vid_out_mplane = vidioc_g_fmt, 868 .vidioc_try_fmt_vid_cap_mplane = vidioc_try_fmt, 869 .vidioc_try_fmt_vid_out_mplane = vidioc_try_fmt, 870 .vidioc_s_fmt_vid_cap_mplane = vidioc_s_fmt, 871 .vidioc_s_fmt_vid_out_mplane = vidioc_s_fmt, 872 .vidioc_reqbufs = vidioc_reqbufs, 873 .vidioc_querybuf = vidioc_querybuf, 874 .vidioc_qbuf = vidioc_qbuf, 875 .vidioc_dqbuf = vidioc_dqbuf, 876 .vidioc_expbuf = vidioc_expbuf, 877 .vidioc_streamon = vidioc_streamon, 878 .vidioc_streamoff = vidioc_streamoff, 879 .vidioc_g_crop = vidioc_g_crop, 880 .vidioc_decoder_cmd = vidioc_decoder_cmd, 881 .vidioc_subscribe_event = vidioc_subscribe_event, 882 .vidioc_unsubscribe_event = v4l2_event_unsubscribe, 883}; 884 885static int s5p_mfc_queue_setup(struct vb2_queue *vq, 886 const struct v4l2_format *fmt, unsigned int *buf_count, 887 unsigned int *plane_count, unsigned int psize[], 888 void *allocators[]) 889{ 890 struct s5p_mfc_ctx *ctx = fh_to_ctx(vq->drv_priv); 891 struct s5p_mfc_dev *dev = ctx->dev; 892 893 /* Video output for decoding (source) 894 * this can be set after getting an instance */ 895 if (ctx->state == MFCINST_INIT && 896 vq->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) { 897 /* A single plane is required for input */ 898 *plane_count = 1; 899 if (*buf_count < 1) 900 *buf_count = 1; 901 if (*buf_count > MFC_MAX_BUFFERS) 902 *buf_count = MFC_MAX_BUFFERS; 903 /* Video capture for decoding (destination) 904 * this can be set after the header was parsed */ 905 } else if (ctx->state == MFCINST_HEAD_PARSED && 906 vq->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) { 907 /* Output plane count is 2 - one for Y and one for CbCr */ 908 *plane_count = 2; 909 /* Setup buffer count */ 910 if (*buf_count < ctx->pb_count) 911 *buf_count = ctx->pb_count; 912 if (*buf_count > ctx->pb_count + MFC_MAX_EXTRA_DPB) 913 *buf_count = ctx->pb_count + MFC_MAX_EXTRA_DPB; 914 if (*buf_count > MFC_MAX_BUFFERS) 915 *buf_count = MFC_MAX_BUFFERS; 916 } else { 917 mfc_err("State seems invalid. State = %d, vq->type = %d\n", 918 ctx->state, vq->type); 919 return -EINVAL; 920 } 921 mfc_debug(2, "Buffer count=%d, plane count=%d\n", 922 *buf_count, *plane_count); 923 if (ctx->state == MFCINST_HEAD_PARSED && 924 vq->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) { 925 psize[0] = ctx->luma_size; 926 psize[1] = ctx->chroma_size; 927 928 if (IS_MFCV6(dev)) 929 allocators[0] = 930 ctx->dev->alloc_ctx[MFC_BANK1_ALLOC_CTX]; 931 else 932 allocators[0] = 933 ctx->dev->alloc_ctx[MFC_BANK2_ALLOC_CTX]; 934 allocators[1] = ctx->dev->alloc_ctx[MFC_BANK1_ALLOC_CTX]; 935 } else if (vq->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE && 936 ctx->state == MFCINST_INIT) { 937 psize[0] = ctx->dec_src_buf_size; 938 allocators[0] = ctx->dev->alloc_ctx[MFC_BANK1_ALLOC_CTX]; 939 } else { 940 mfc_err("This video node is dedicated to decoding. Decoding not initalised\n"); 941 return -EINVAL; 942 } 943 return 0; 944} 945 946static void s5p_mfc_unlock(struct vb2_queue *q) 947{ 948 struct s5p_mfc_ctx *ctx = fh_to_ctx(q->drv_priv); 949 struct s5p_mfc_dev *dev = ctx->dev; 950 951 mutex_unlock(&dev->mfc_mutex); 952} 953 954static void s5p_mfc_lock(struct vb2_queue *q) 955{ 956 struct s5p_mfc_ctx *ctx = fh_to_ctx(q->drv_priv); 957 struct s5p_mfc_dev *dev = ctx->dev; 958 959 mutex_lock(&dev->mfc_mutex); 960} 961 962static int s5p_mfc_buf_init(struct vb2_buffer *vb) 963{ 964 struct vb2_queue *vq = vb->vb2_queue; 965 struct s5p_mfc_ctx *ctx = fh_to_ctx(vq->drv_priv); 966 unsigned int i; 967 968 if (vq->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) { 969 if (ctx->capture_state == QUEUE_BUFS_MMAPED) 970 return 0; 971 for (i = 0; i <= ctx->src_fmt->num_planes ; i++) { 972 if (IS_ERR_OR_NULL(ERR_PTR( 973 vb2_dma_contig_plane_dma_addr(vb, i)))) { 974 mfc_err("Plane mem not allocated\n"); 975 return -EINVAL; 976 } 977 } 978 if (vb2_plane_size(vb, 0) < ctx->luma_size || 979 vb2_plane_size(vb, 1) < ctx->chroma_size) { 980 mfc_err("Plane buffer (CAPTURE) is too small\n"); 981 return -EINVAL; 982 } 983 i = vb->v4l2_buf.index; 984 ctx->dst_bufs[i].b = vb; 985 ctx->dst_bufs[i].cookie.raw.luma = 986 vb2_dma_contig_plane_dma_addr(vb, 0); 987 ctx->dst_bufs[i].cookie.raw.chroma = 988 vb2_dma_contig_plane_dma_addr(vb, 1); 989 ctx->dst_bufs_cnt++; 990 } else if (vq->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) { 991 if (IS_ERR_OR_NULL(ERR_PTR( 992 vb2_dma_contig_plane_dma_addr(vb, 0)))) { 993 mfc_err("Plane memory not allocated\n"); 994 return -EINVAL; 995 } 996 if (vb2_plane_size(vb, 0) < ctx->dec_src_buf_size) { 997 mfc_err("Plane buffer (OUTPUT) is too small\n"); 998 return -EINVAL; 999 } 1000 1001 i = vb->v4l2_buf.index; 1002 ctx->src_bufs[i].b = vb; 1003 ctx->src_bufs[i].cookie.stream = 1004 vb2_dma_contig_plane_dma_addr(vb, 0); 1005 ctx->src_bufs_cnt++; 1006 } else { 1007 mfc_err("s5p_mfc_buf_init: unknown queue type\n"); 1008 return -EINVAL; 1009 } 1010 return 0; 1011} 1012 1013static int s5p_mfc_start_streaming(struct vb2_queue *q, unsigned int count) 1014{ 1015 struct s5p_mfc_ctx *ctx = fh_to_ctx(q->drv_priv); 1016 struct s5p_mfc_dev *dev = ctx->dev; 1017 1018 v4l2_ctrl_handler_setup(&ctx->ctrl_handler); 1019 if (ctx->state == MFCINST_FINISHING || 1020 ctx->state == MFCINST_FINISHED) 1021 ctx->state = MFCINST_RUNNING; 1022 /* If context is ready then dev = work->data;schedule it to run */ 1023 if (s5p_mfc_ctx_ready(ctx)) 1024 set_work_bit_irqsave(ctx); 1025 s5p_mfc_hw_call(dev->mfc_ops, try_run, dev); 1026 return 0; 1027} 1028 1029static int s5p_mfc_stop_streaming(struct vb2_queue *q) 1030{ 1031 unsigned long flags; 1032 struct s5p_mfc_ctx *ctx = fh_to_ctx(q->drv_priv); 1033 struct s5p_mfc_dev *dev = ctx->dev; 1034 int aborted = 0; 1035 1036 if ((ctx->state == MFCINST_FINISHING || 1037 ctx->state == MFCINST_RUNNING) && 1038 dev->curr_ctx == ctx->num && dev->hw_lock) { 1039 ctx->state = MFCINST_ABORT; 1040 s5p_mfc_wait_for_done_ctx(ctx, 1041 S5P_MFC_R2H_CMD_FRAME_DONE_RET, 0); 1042 aborted = 1; 1043 } 1044 if (q->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) { 1045 spin_lock_irqsave(&dev->irqlock, flags); 1046 s5p_mfc_hw_call(dev->mfc_ops, cleanup_queue, &ctx->dst_queue, 1047 &ctx->vq_dst); 1048 INIT_LIST_HEAD(&ctx->dst_queue); 1049 ctx->dst_queue_cnt = 0; 1050 ctx->dpb_flush_flag = 1; 1051 ctx->dec_dst_flag = 0; 1052 spin_unlock_irqrestore(&dev->irqlock, flags); 1053 if (IS_MFCV6(dev) && (ctx->state == MFCINST_RUNNING)) { 1054 ctx->state = MFCINST_FLUSH; 1055 set_work_bit_irqsave(ctx); 1056 s5p_mfc_clean_ctx_int_flags(ctx); 1057 s5p_mfc_hw_call(dev->mfc_ops, try_run, dev); 1058 if (s5p_mfc_wait_for_done_ctx(ctx, 1059 S5P_MFC_R2H_CMD_DPB_FLUSH_RET, 0)) 1060 mfc_err("Err flushing buffers\n"); 1061 } 1062 } 1063 if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) { 1064 spin_lock_irqsave(&dev->irqlock, flags); 1065 s5p_mfc_hw_call(dev->mfc_ops, cleanup_queue, &ctx->src_queue, 1066 &ctx->vq_src); 1067 INIT_LIST_HEAD(&ctx->src_queue); 1068 ctx->src_queue_cnt = 0; 1069 spin_unlock_irqrestore(&dev->irqlock, flags); 1070 } 1071 if (aborted) 1072 ctx->state = MFCINST_RUNNING; 1073 return 0; 1074} 1075 1076 1077static void s5p_mfc_buf_queue(struct vb2_buffer *vb) 1078{ 1079 struct vb2_queue *vq = vb->vb2_queue; 1080 struct s5p_mfc_ctx *ctx = fh_to_ctx(vq->drv_priv); 1081 struct s5p_mfc_dev *dev = ctx->dev; 1082 unsigned long flags; 1083 struct s5p_mfc_buf *mfc_buf; 1084 1085 if (vq->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) { 1086 mfc_buf = &ctx->src_bufs[vb->v4l2_buf.index]; 1087 mfc_buf->flags &= ~MFC_BUF_FLAG_USED; 1088 spin_lock_irqsave(&dev->irqlock, flags); 1089 list_add_tail(&mfc_buf->list, &ctx->src_queue); 1090 ctx->src_queue_cnt++; 1091 spin_unlock_irqrestore(&dev->irqlock, flags); 1092 } else if (vq->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) { 1093 mfc_buf = &ctx->dst_bufs[vb->v4l2_buf.index]; 1094 mfc_buf->flags &= ~MFC_BUF_FLAG_USED; 1095 /* Mark destination as available for use by MFC */ 1096 spin_lock_irqsave(&dev->irqlock, flags); 1097 set_bit(vb->v4l2_buf.index, &ctx->dec_dst_flag); 1098 list_add_tail(&mfc_buf->list, &ctx->dst_queue); 1099 ctx->dst_queue_cnt++; 1100 spin_unlock_irqrestore(&dev->irqlock, flags); 1101 } else { 1102 mfc_err("Unsupported buffer type (%d)\n", vq->type); 1103 } 1104 if (s5p_mfc_ctx_ready(ctx)) 1105 set_work_bit_irqsave(ctx); 1106 s5p_mfc_hw_call(dev->mfc_ops, try_run, dev); 1107} 1108 1109static struct vb2_ops s5p_mfc_dec_qops = { 1110 .queue_setup = s5p_mfc_queue_setup, 1111 .wait_prepare = s5p_mfc_unlock, 1112 .wait_finish = s5p_mfc_lock, 1113 .buf_init = s5p_mfc_buf_init, 1114 .start_streaming = s5p_mfc_start_streaming, 1115 .stop_streaming = s5p_mfc_stop_streaming, 1116 .buf_queue = s5p_mfc_buf_queue, 1117}; 1118 1119struct s5p_mfc_codec_ops *get_dec_codec_ops(void) 1120{ 1121 return &decoder_codec_ops; 1122} 1123 1124struct vb2_ops *get_dec_queue_ops(void) 1125{ 1126 return &s5p_mfc_dec_qops; 1127} 1128 1129const struct v4l2_ioctl_ops *get_dec_v4l2_ioctl_ops(void) 1130{ 1131 return &s5p_mfc_dec_ioctl_ops; 1132} 1133 1134#define IS_MFC51_PRIV(x) ((V4L2_CTRL_ID2CLASS(x) == V4L2_CTRL_CLASS_MPEG) \ 1135 && V4L2_CTRL_DRIVER_PRIV(x)) 1136 1137int s5p_mfc_dec_ctrls_setup(struct s5p_mfc_ctx *ctx) 1138{ 1139 struct v4l2_ctrl_config cfg; 1140 int i; 1141 1142 v4l2_ctrl_handler_init(&ctx->ctrl_handler, NUM_CTRLS); 1143 if (ctx->ctrl_handler.error) { 1144 mfc_err("v4l2_ctrl_handler_init failed\n"); 1145 return ctx->ctrl_handler.error; 1146 } 1147 1148 for (i = 0; i < NUM_CTRLS; i++) { 1149 if (IS_MFC51_PRIV(controls[i].id)) { 1150 memset(&cfg, 0, sizeof(struct v4l2_ctrl_config)); 1151 cfg.ops = &s5p_mfc_dec_ctrl_ops; 1152 cfg.id = controls[i].id; 1153 cfg.min = controls[i].minimum; 1154 cfg.max = controls[i].maximum; 1155 cfg.def = controls[i].default_value; 1156 cfg.name = controls[i].name; 1157 cfg.type = controls[i].type; 1158 1159 cfg.step = controls[i].step; 1160 cfg.menu_skip_mask = 0; 1161 1162 ctx->ctrls[i] = v4l2_ctrl_new_custom(&ctx->ctrl_handler, 1163 &cfg, NULL); 1164 } else { 1165 ctx->ctrls[i] = v4l2_ctrl_new_std(&ctx->ctrl_handler, 1166 &s5p_mfc_dec_ctrl_ops, 1167 controls[i].id, controls[i].minimum, 1168 controls[i].maximum, controls[i].step, 1169 controls[i].default_value); 1170 } 1171 if (ctx->ctrl_handler.error) { 1172 mfc_err("Adding control (%d) failed\n", i); 1173 return ctx->ctrl_handler.error; 1174 } 1175 if (controls[i].is_volatile && ctx->ctrls[i]) 1176 ctx->ctrls[i]->flags |= V4L2_CTRL_FLAG_VOLATILE; 1177 } 1178 return 0; 1179} 1180 1181void s5p_mfc_dec_ctrls_delete(struct s5p_mfc_ctx *ctx) 1182{ 1183 int i; 1184 1185 v4l2_ctrl_handler_free(&ctx->ctrl_handler); 1186 for (i = 0; i < NUM_CTRLS; i++) 1187 ctx->ctrls[i] = NULL; 1188} 1189 1190void s5p_mfc_dec_init(struct s5p_mfc_ctx *ctx) 1191{ 1192 struct v4l2_format f; 1193 f.fmt.pix_mp.pixelformat = DEF_SRC_FMT_DEC; 1194 ctx->src_fmt = find_format(&f, MFC_FMT_DEC); 1195 f.fmt.pix_mp.pixelformat = DEF_DST_FMT_DEC; 1196 ctx->dst_fmt = find_format(&f, MFC_FMT_RAW); 1197 mfc_debug(2, "Default src_fmt is %x, dest_fmt is %x\n", 1198 (unsigned int)ctx->src_fmt, (unsigned int)ctx->dst_fmt); 1199} 1200 1201