drivers/media/platform/mediatek/vcodec/mtk_vcodec_dec_stateful.c

   1 // SPDX-License-Identifier: GPL-2.0
   2
   3 #include <media/v4l2-event.h>
   4 #include <media/v4l2-mem2mem.h>
   5 #include <media/videobuf2-dma-contig.h>
   6
   7 #include "mtk_vcodec_drv.h"
   8 #include "mtk_vcodec_dec.h"
   9 #include "mtk_vcodec_intr.h"
  10 #include "mtk_vcodec_util.h"
  11 #include "mtk_vcodec_dec_pm.h"
  12 #include "vdec_drv_if.h"
  13
  14 static const struct mtk_video_fmt mtk_video_formats[] = {
  15         {
  16                 .fourcc = V4L2_PIX_FMT_H264,
  17                 .type = MTK_FMT_DEC,
  18                 .num_planes = 1,
  19                 .flags = V4L2_FMT_FLAG_DYN_RESOLUTION,
  20         },
  21         {
  22                 .fourcc = V4L2_PIX_FMT_VP8,
  23                 .type = MTK_FMT_DEC,
  24                 .num_planes = 1,
  25                 .flags = V4L2_FMT_FLAG_DYN_RESOLUTION,
  26         },
  27         {
  28                 .fourcc = V4L2_PIX_FMT_VP9,
  29                 .type = MTK_FMT_DEC,
  30                 .num_planes = 1,
  31                 .flags = V4L2_FMT_FLAG_DYN_RESOLUTION,
  32         },
  33         {
  34                 .fourcc = V4L2_PIX_FMT_MT21C,
  35                 .type = MTK_FMT_FRAME,
  36                 .num_planes = 2,
  37         },
  38 };
  39
  40 static const unsigned int num_supported_formats =
  41         ARRAY_SIZE(mtk_video_formats);
  42
  43 #define DEFAULT_OUT_FMT_IDX 0
  44 #define DEFAULT_CAP_FMT_IDX 3
  45
  46 static const struct mtk_codec_framesizes mtk_vdec_framesizes[] = {
  47         {
  48                 .fourcc = V4L2_PIX_FMT_H264,
  49                 .stepwise = { MTK_VDEC_MIN_W, MTK_VDEC_MAX_W, 16,
  50                               MTK_VDEC_MIN_H, MTK_VDEC_MAX_H, 16 },
  51         },
  52         {
  53                 .fourcc = V4L2_PIX_FMT_VP8,
  54                 .stepwise = { MTK_VDEC_MIN_W, MTK_VDEC_MAX_W, 16,
  55                               MTK_VDEC_MIN_H, MTK_VDEC_MAX_H, 16 },
  56         },
  57         {
  58                 .fourcc = V4L2_PIX_FMT_VP9,
  59                 .stepwise = { MTK_VDEC_MIN_W, MTK_VDEC_MAX_W, 16,
  60                               MTK_VDEC_MIN_H, MTK_VDEC_MAX_H, 16 },
  61         },
  62 };
  63
  64 static const unsigned int num_supported_framesize =
  65         ARRAY_SIZE(mtk_vdec_framesizes);
  66
  67 /*
  68  * This function tries to clean all display buffers, the buffers will return
  69  * in display order.
  70  * Note the buffers returned from codec driver may still be in driver's
  71  * reference list.
  72  */
  73 static struct vb2_buffer *get_display_buffer(struct mtk_vcodec_ctx *ctx)
  74 {
  75         struct vdec_fb *disp_frame_buffer = NULL;
  76         struct mtk_video_dec_buf *dstbuf;
  77         struct vb2_v4l2_buffer *vb;
  78
  79         mtk_v4l2_debug(3, "[%d]", ctx->id);
  80         if (vdec_if_get_param(ctx, GET_PARAM_DISP_FRAME_BUFFER,
  81                               &disp_frame_buffer)) {
  82                 mtk_v4l2_err("[%d]Cannot get param : GET_PARAM_DISP_FRAME_BUFFER", ctx->id);
  83                 return NULL;
  84         }
  85
  86         if (!disp_frame_buffer) {
  87                 mtk_v4l2_debug(3, "No display frame buffer");
  88                 return NULL;
  89         }
  90
  91         dstbuf = container_of(disp_frame_buffer, struct mtk_video_dec_buf,
  92                               frame_buffer);
  93         vb = &dstbuf->m2m_buf.vb;
  94         mutex_lock(&ctx->lock);
  95         if (dstbuf->used) {
  96                 mtk_v4l2_debug(2, "[%d]status=%x queue id=%d to done_list %d",
  97                                ctx->id, disp_frame_buffer->status,
  98                                vb->vb2_buf.index, dstbuf->queued_in_vb2);
  99
 100                 v4l2_m2m_buf_done(vb, VB2_BUF_STATE_DONE);
 101                 ctx->decoded_frame_cnt++;
 102         }
 103         mutex_unlock(&ctx->lock);
 104         return &vb->vb2_buf;
 105 }
 106
 107 /*
 108  * This function tries to clean all capture buffers that are not used as
 109  * reference buffers by codec driver any more
 110  * In this case, we need re-queue buffer to vb2 buffer if user space
 111  * already returns this buffer to v4l2 or this buffer is just the output of
 112  * previous sps/pps/resolution change decode, or do nothing if user
 113  * space still owns this buffer
 114  */
 115 static struct vb2_buffer *get_free_buffer(struct mtk_vcodec_ctx *ctx)
 116 {
 117         struct mtk_video_dec_buf *dstbuf;
 118         struct vdec_fb *free_frame_buffer = NULL;
 119         struct vb2_v4l2_buffer *vb;
 120
 121         if (vdec_if_get_param(ctx, GET_PARAM_FREE_FRAME_BUFFER,
 122                               &free_frame_buffer)) {
 123                 mtk_v4l2_err("[%d] Error!! Cannot get param", ctx->id);
 124                 return NULL;
 125         }
 126         if (!free_frame_buffer) {
 127                 mtk_v4l2_debug(3, " No free frame buffer");
 128                 return NULL;
 129         }
 130
 131         mtk_v4l2_debug(3, "[%d] tmp_frame_addr = 0x%p", ctx->id,
 132                        free_frame_buffer);
 133
 134         dstbuf = container_of(free_frame_buffer, struct mtk_video_dec_buf,
 135                               frame_buffer);
 136         vb = &dstbuf->m2m_buf.vb;
 137
 138         mutex_lock(&ctx->lock);
 139         if (dstbuf->used) {
 140                 if (dstbuf->queued_in_vb2 && dstbuf->queued_in_v4l2 &&
 141                     free_frame_buffer->status == FB_ST_FREE) {
 142                         /*
 143                          * After decode sps/pps or non-display buffer, we don't
 144                          * need to return capture buffer to user space, but
 145                          * just re-queue this capture buffer to vb2 queue.
 146                          * This reduce overheads that dq/q unused capture
 147                          * buffer. In this case, queued_in_vb2 = true.
 148                          */
 149                         mtk_v4l2_debug(2, "[%d]status=%x queue id=%d to rdy_queue %d",
 150                                        ctx->id, free_frame_buffer->status,
 151                                        vb->vb2_buf.index, dstbuf->queued_in_vb2);
 152                         v4l2_m2m_buf_queue(ctx->m2m_ctx, vb);
 153                 } else if (!dstbuf->queued_in_vb2 && dstbuf->queued_in_v4l2) {
 154                         /*
 155                          * If buffer in v4l2 driver but not in vb2 queue yet,
 156                          * and we get this buffer from free_list, it means
 157                          * that codec driver do not use this buffer as
 158                          * reference buffer anymore. We should q buffer to vb2
 159                          * queue, so later work thread could get this buffer
 160                          * for decode. In this case, queued_in_vb2 = false
 161                          * means this buffer is not from previous decode
 162                          * output.
 163                          */
 164                         mtk_v4l2_debug(2,
 165                                        "[%d]status=%x queue id=%d to rdy_queue",
 166                                        ctx->id, free_frame_buffer->status,
 167                                        vb->vb2_buf.index);
 168                         v4l2_m2m_buf_queue(ctx->m2m_ctx, vb);
 169                         dstbuf->queued_in_vb2 = true;
 170                 } else {
 171                         /*
 172                          * Codec driver do not need to reference this capture
 173                          * buffer and this buffer is not in v4l2 driver.
 174                          * Then we don't need to do any thing, just add log when
 175                          * we need to debug buffer flow.
 176                          * When this buffer q from user space, it could
 177                          * directly q to vb2 buffer
 178                          */
 179                         mtk_v4l2_debug(3, "[%d]status=%x err queue id=%d %d %d",
 180                                        ctx->id, free_frame_buffer->status,
 181                                        vb->vb2_buf.index, dstbuf->queued_in_vb2,
 182                                        dstbuf->queued_in_v4l2);
 183                 }
 184                 dstbuf->used = false;
 185         }
 186         mutex_unlock(&ctx->lock);
 187         return &vb->vb2_buf;
 188 }
 189
 190 static void clean_display_buffer(struct mtk_vcodec_ctx *ctx)
 191 {
 192         while (get_display_buffer(ctx))
 193                 ;
 194 }
 195
 196 static void clean_free_buffer(struct mtk_vcodec_ctx *ctx)
 197 {
 198         while (get_free_buffer(ctx))
 199                 ;
 200 }
 201
 202 static void mtk_vdec_queue_res_chg_event(struct mtk_vcodec_ctx *ctx)
 203 {
 204         static const struct v4l2_event ev_src_ch = {
 205                 .type = V4L2_EVENT_SOURCE_CHANGE,
 206                 .u.src_change.changes = V4L2_EVENT_SRC_CH_RESOLUTION,
 207         };
 208
 209         mtk_v4l2_debug(1, "[%d]", ctx->id);
 210         v4l2_event_queue_fh(&ctx->fh, &ev_src_ch);
 211 }
 212
 213 static int mtk_vdec_flush_decoder(struct mtk_vcodec_ctx *ctx)
 214 {
 215         bool res_chg;
 216         int ret;
 217
 218         ret = vdec_if_decode(ctx, NULL, NULL, &res_chg);
 219         if (ret)
 220                 mtk_v4l2_err("DecodeFinal failed, ret=%d", ret);
 221
 222         clean_display_buffer(ctx);
 223         clean_free_buffer(ctx);
 224
 225         return 0;
 226 }
 227
 228 static void mtk_vdec_update_fmt(struct mtk_vcodec_ctx *ctx,
 229                                 unsigned int pixelformat)
 230 {
 231         const struct mtk_video_fmt *fmt;
 232         struct mtk_q_data *dst_q_data;
 233         unsigned int k;
 234
 235         dst_q_data = &ctx->q_data[MTK_Q_DATA_DST];
 236         for (k = 0; k < num_supported_formats; k++) {
 237                 fmt = &mtk_video_formats[k];
 238                 if (fmt->fourcc == pixelformat) {
 239                         mtk_v4l2_debug(1, "Update cap fourcc(%d -> %d)",
 240                                        dst_q_data->fmt->fourcc, pixelformat);
 241                         dst_q_data->fmt = fmt;
 242                         return;
 243                 }
 244         }
 245
 246         mtk_v4l2_err("Cannot get fourcc(%d), using init value", pixelformat);
 247 }
 248
 249 static int mtk_vdec_pic_info_update(struct mtk_vcodec_ctx *ctx)
 250 {
 251         unsigned int dpbsize = 0;
 252         int ret;
 253
 254         if (vdec_if_get_param(ctx, GET_PARAM_PIC_INFO,
 255                               &ctx->last_decoded_picinfo)) {
 256                 mtk_v4l2_err("[%d]Error!! Cannot get param : GET_PARAM_PICTURE_INFO ERR", ctx->id);
 257                 return -EINVAL;
 258         }
 259
 260         if (ctx->last_decoded_picinfo.pic_w == 0 ||
 261             ctx->last_decoded_picinfo.pic_h == 0 ||
 262             ctx->last_decoded_picinfo.buf_w == 0 ||
 263             ctx->last_decoded_picinfo.buf_h == 0) {
 264                 mtk_v4l2_err("Cannot get correct pic info");
 265                 return -EINVAL;
 266         }
 267
 268         if (ctx->last_decoded_picinfo.cap_fourcc != ctx->picinfo.cap_fourcc &&
 269             ctx->picinfo.cap_fourcc != 0)
 270                 mtk_vdec_update_fmt(ctx, ctx->picinfo.cap_fourcc);
 271
 272         if (ctx->last_decoded_picinfo.pic_w == ctx->picinfo.pic_w ||
 273             ctx->last_decoded_picinfo.pic_h == ctx->picinfo.pic_h)
 274                 return 0;
 275
 276         mtk_v4l2_debug(1, "[%d]-> new(%d,%d), old(%d,%d), real(%d,%d)", ctx->id,
 277                        ctx->last_decoded_picinfo.pic_w,
 278                        ctx->last_decoded_picinfo.pic_h, ctx->picinfo.pic_w,
 279                        ctx->picinfo.pic_h, ctx->last_decoded_picinfo.buf_w,
 280                        ctx->last_decoded_picinfo.buf_h);
 281
 282         ret = vdec_if_get_param(ctx, GET_PARAM_DPB_SIZE, &dpbsize);
 283         if (dpbsize == 0)
 284                 mtk_v4l2_err("Incorrect dpb size, ret=%d", ret);
 285
 286         ctx->dpb_size = dpbsize;
 287
 288         return ret;
 289 }
 290
 291 static void mtk_vdec_worker(struct work_struct *work)
 292 {
 293         struct mtk_vcodec_ctx *ctx =
 294                 container_of(work, struct mtk_vcodec_ctx, decode_work);
 295         struct mtk_vcodec_dev *dev = ctx->dev;
 296         struct vb2_v4l2_buffer *src_buf, *dst_buf;
 297         struct mtk_vcodec_mem buf;
 298         struct vdec_fb *pfb;
 299         bool res_chg = false;
 300         int ret;
 301         struct mtk_video_dec_buf *dst_buf_info, *src_buf_info;
 302
 303         src_buf = v4l2_m2m_next_src_buf(ctx->m2m_ctx);
 304         if (!src_buf) {
 305                 v4l2_m2m_job_finish(dev->m2m_dev_dec, ctx->m2m_ctx);
 306                 mtk_v4l2_debug(1, "[%d] src_buf empty!!", ctx->id);
 307                 return;
 308         }
 309
 310         dst_buf = v4l2_m2m_next_dst_buf(ctx->m2m_ctx);
 311         if (!dst_buf) {
 312                 v4l2_m2m_job_finish(dev->m2m_dev_dec, ctx->m2m_ctx);
 313                 mtk_v4l2_debug(1, "[%d] dst_buf empty!!", ctx->id);
 314                 return;
 315         }
 316
 317         dst_buf_info =
 318                 container_of(dst_buf, struct mtk_video_dec_buf, m2m_buf.vb);
 319
 320         pfb = &dst_buf_info->frame_buffer;
 321         pfb->base_y.va = vb2_plane_vaddr(&dst_buf->vb2_buf, 0);
 322         pfb->base_y.dma_addr =
 323                 vb2_dma_contig_plane_dma_addr(&dst_buf->vb2_buf, 0);
 324         pfb->base_y.size = ctx->picinfo.fb_sz[0];
 325
 326         pfb->base_c.va = vb2_plane_vaddr(&dst_buf->vb2_buf, 1);
 327         pfb->base_c.dma_addr =
 328                 vb2_dma_contig_plane_dma_addr(&dst_buf->vb2_buf, 1);
 329         pfb->base_c.size = ctx->picinfo.fb_sz[1];
 330         pfb->status = 0;
 331         mtk_v4l2_debug(3, "===>[%d] vdec_if_decode() ===>", ctx->id);
 332
 333         mtk_v4l2_debug(3,
 334                        "id=%d Framebuf  pfb=%p VA=%p Y_DMA=%pad C_DMA=%pad Size=%zx",
 335                        dst_buf->vb2_buf.index, pfb, pfb->base_y.va,
 336                        &pfb->base_y.dma_addr, &pfb->base_c.dma_addr, pfb->base_y.size);
 337
 338         if (src_buf == &ctx->empty_flush_buf.vb) {
 339                 mtk_v4l2_debug(1, "Got empty flush input buffer.");
 340                 src_buf = v4l2_m2m_src_buf_remove(ctx->m2m_ctx);
 341
 342                 /* update dst buf status */
 343                 dst_buf = v4l2_m2m_dst_buf_remove(ctx->m2m_ctx);
 344                 mutex_lock(&ctx->lock);
 345                 dst_buf_info->used = false;
 346                 mutex_unlock(&ctx->lock);
 347
 348                 vdec_if_decode(ctx, NULL, NULL, &res_chg);
 349                 clean_display_buffer(ctx);
 350                 vb2_set_plane_payload(&dst_buf->vb2_buf, 0, 0);
 351                 if (ctx->q_data[MTK_Q_DATA_DST].fmt->num_planes == 2)
 352                         vb2_set_plane_payload(&dst_buf->vb2_buf, 1, 0);
 353                 dst_buf->flags |= V4L2_BUF_FLAG_LAST;
 354                 v4l2_m2m_buf_done(dst_buf, VB2_BUF_STATE_DONE);
 355                 clean_free_buffer(ctx);
 356                 v4l2_m2m_job_finish(dev->m2m_dev_dec, ctx->m2m_ctx);
 357                 return;
 358         }
 359
 360         src_buf_info =
 361                 container_of(src_buf, struct mtk_video_dec_buf, m2m_buf.vb);
 362
 363         buf.va = vb2_plane_vaddr(&src_buf->vb2_buf, 0);
 364         buf.dma_addr = vb2_dma_contig_plane_dma_addr(&src_buf->vb2_buf, 0);
 365         buf.size = (size_t)src_buf->vb2_buf.planes[0].bytesused;
 366         if (!buf.va) {
 367                 v4l2_m2m_job_finish(dev->m2m_dev_dec, ctx->m2m_ctx);
 368                 mtk_v4l2_err("[%d] id=%d src_addr is NULL!!", ctx->id,
 369                              src_buf->vb2_buf.index);
 370                 return;
 371         }
 372         mtk_v4l2_debug(3, "[%d] Bitstream VA=%p DMA=%pad Size=%zx vb=%p",
 373                        ctx->id, buf.va, &buf.dma_addr, buf.size, src_buf);
 374         dst_buf->vb2_buf.timestamp = src_buf->vb2_buf.timestamp;
 375         dst_buf->timecode = src_buf->timecode;
 376         mutex_lock(&ctx->lock);
 377         dst_buf_info->used = true;
 378         mutex_unlock(&ctx->lock);
 379         src_buf_info->used = true;
 380
 381         ret = vdec_if_decode(ctx, &buf, pfb, &res_chg);
 382
 383         if (ret) {
 384                 mtk_v4l2_err(" <===[%d], src_buf[%d] sz=0x%zx pts=%llu dst_buf[%d] vdec_if_decode() ret=%d res_chg=%d===>",
 385                              ctx->id, src_buf->vb2_buf.index, buf.size,
 386                              src_buf->vb2_buf.timestamp, dst_buf->vb2_buf.index, ret, res_chg);
 387                 src_buf = v4l2_m2m_src_buf_remove(ctx->m2m_ctx);
 388                 if (ret == -EIO) {
 389                         mutex_lock(&ctx->lock);
 390                         src_buf_info->error = true;
 391                         mutex_unlock(&ctx->lock);
 392                 }
 393                 v4l2_m2m_buf_done(src_buf, VB2_BUF_STATE_ERROR);
 394         } else if (!res_chg) {
 395                 /*
 396                  * we only return src buffer with VB2_BUF_STATE_DONE
 397                  * when decode success without resolution change
 398                  */
 399                 src_buf = v4l2_m2m_src_buf_remove(ctx->m2m_ctx);
 400                 v4l2_m2m_buf_done(src_buf, VB2_BUF_STATE_DONE);
 401         }
 402
 403         dst_buf = v4l2_m2m_dst_buf_remove(ctx->m2m_ctx);
 404         clean_display_buffer(ctx);
 405         clean_free_buffer(ctx);
 406
 407         if (!ret && res_chg) {
 408                 mtk_vdec_pic_info_update(ctx);
 409                 /*
 410                  * On encountering a resolution change in the stream.
 411                  * The driver must first process and decode all
 412                  * remaining buffers from before the resolution change
 413                  * point, so call flush decode here
 414                  */
 415                 mtk_vdec_flush_decoder(ctx);
 416                 /*
 417                  * After all buffers containing decoded frames from
 418                  * before the resolution change point ready to be
 419                  * dequeued on the CAPTURE queue, the driver sends a
 420                  * V4L2_EVENT_SOURCE_CHANGE event for source change
 421                  * type V4L2_EVENT_SRC_CH_RESOLUTION
 422                  */
 423                 mtk_vdec_queue_res_chg_event(ctx);
 424         }
 425         v4l2_m2m_job_finish(dev->m2m_dev_dec, ctx->m2m_ctx);
 426 }
 427
 428 static void vb2ops_vdec_stateful_buf_queue(struct vb2_buffer *vb)
 429 {
 430         struct vb2_v4l2_buffer *src_buf;
 431         struct mtk_vcodec_mem src_mem;
 432         bool res_chg = false;
 433         int ret;
 434         unsigned int dpbsize = 1, i;
 435         struct mtk_vcodec_ctx *ctx = vb2_get_drv_priv(vb->vb2_queue);
 436         struct vb2_v4l2_buffer *vb2_v4l2;
 437         struct mtk_q_data *dst_q_data;
 438
 439         mtk_v4l2_debug(3, "[%d] (%d) id=%d, vb=%p", ctx->id,
 440                        vb->vb2_queue->type, vb->index, vb);
 441         /*
 442          * check if this buffer is ready to be used after decode
 443          */
 444         if (vb->vb2_queue->type != V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
 445                 struct mtk_video_dec_buf *buf;
 446
 447                 vb2_v4l2 = to_vb2_v4l2_buffer(vb);
 448                 buf = container_of(vb2_v4l2, struct mtk_video_dec_buf,
 449                                    m2m_buf.vb);
 450                 mutex_lock(&ctx->lock);
 451                 if (!buf->used) {
 452                         v4l2_m2m_buf_queue(ctx->m2m_ctx, vb2_v4l2);
 453                         buf->queued_in_vb2 = true;
 454                         buf->queued_in_v4l2 = true;
 455                 } else {
 456                         buf->queued_in_vb2 = false;
 457                         buf->queued_in_v4l2 = true;
 458                 }
 459                 mutex_unlock(&ctx->lock);
 460                 return;
 461         }
 462
 463         v4l2_m2m_buf_queue(ctx->m2m_ctx, to_vb2_v4l2_buffer(vb));
 464
 465         if (ctx->state != MTK_STATE_INIT) {
 466                 mtk_v4l2_debug(3, "[%d] already init driver %d", ctx->id,
 467                                ctx->state);
 468                 return;
 469         }
 470
 471         src_buf = v4l2_m2m_next_src_buf(ctx->m2m_ctx);
 472         if (!src_buf) {
 473                 mtk_v4l2_err("No src buffer");
 474                 return;
 475         }
 476
 477         if (src_buf == &ctx->empty_flush_buf.vb) {
 478                 /* This shouldn't happen. Just in case. */
 479                 mtk_v4l2_err("Invalid flush buffer.");
 480                 v4l2_m2m_src_buf_remove(ctx->m2m_ctx);
 481                 return;
 482         }
 483
 484         src_mem.va = vb2_plane_vaddr(&src_buf->vb2_buf, 0);
 485         src_mem.dma_addr = vb2_dma_contig_plane_dma_addr(&src_buf->vb2_buf, 0);
 486         src_mem.size = (size_t)src_buf->vb2_buf.planes[0].bytesused;
 487         mtk_v4l2_debug(2, "[%d] buf id=%d va=%p dma=%pad size=%zx", ctx->id,
 488                        src_buf->vb2_buf.index, src_mem.va, &src_mem.dma_addr,
 489                        src_mem.size);
 490
 491         ret = vdec_if_decode(ctx, &src_mem, NULL, &res_chg);
 492         if (ret || !res_chg) {
 493                 /*
 494                  * fb == NULL means to parse SPS/PPS header or
 495                  * resolution info in src_mem. Decode can fail
 496                  * if there is no SPS header or picture info
 497                  * in bs
 498                  */
 499
 500                 src_buf = v4l2_m2m_src_buf_remove(ctx->m2m_ctx);
 501                 if (ret == -EIO) {
 502                         mtk_v4l2_err("[%d] Unrecoverable error in vdec_if_decode.", ctx->id);
 503                         ctx->state = MTK_STATE_ABORT;
 504                         v4l2_m2m_buf_done(src_buf, VB2_BUF_STATE_ERROR);
 505                 } else {
 506                         v4l2_m2m_buf_done(src_buf, VB2_BUF_STATE_DONE);
 507                 }
 508                 mtk_v4l2_debug(ret ? 0 : 1,
 509                                "[%d] vdec_if_decode() src_buf=%d, size=%zu, fail=%d, res_chg=%d",
 510                                ctx->id, src_buf->vb2_buf.index, src_mem.size, ret, res_chg);
 511                 return;
 512         }
 513
 514         if (vdec_if_get_param(ctx, GET_PARAM_PIC_INFO, &ctx->picinfo)) {
 515                 mtk_v4l2_err("[%d]Error!! Cannot get param : GET_PARAM_PICTURE_INFO ERR", ctx->id);
 516                 return;
 517         }
 518
 519         ctx->last_decoded_picinfo = ctx->picinfo;
 520         dst_q_data = &ctx->q_data[MTK_Q_DATA_DST];
 521         for (i = 0; i < dst_q_data->fmt->num_planes; i++) {
 522                 dst_q_data->sizeimage[i] = ctx->picinfo.fb_sz[i];
 523                 dst_q_data->bytesperline[i] = ctx->picinfo.buf_w;
 524         }
 525
 526         mtk_v4l2_debug(2, "[%d] vdec_if_init() OK wxh=%dx%d pic wxh=%dx%d sz[0]=0x%x sz[1]=0x%x",
 527                        ctx->id, ctx->picinfo.buf_w, ctx->picinfo.buf_h, ctx->picinfo.pic_w,
 528                        ctx->picinfo.pic_h, dst_q_data->sizeimage[0], dst_q_data->sizeimage[1]);
 529
 530         ret = vdec_if_get_param(ctx, GET_PARAM_DPB_SIZE, &dpbsize);
 531         if (dpbsize == 0)
 532                 mtk_v4l2_err("[%d] GET_PARAM_DPB_SIZE fail=%d", ctx->id, ret);
 533
 534         ctx->dpb_size = dpbsize;
 535         ctx->state = MTK_STATE_HEADER;
 536         mtk_v4l2_debug(1, "[%d] dpbsize=%d", ctx->id, ctx->dpb_size);
 537
 538         mtk_vdec_queue_res_chg_event(ctx);
 539 }
 540
 541 static int mtk_vdec_g_v_ctrl(struct v4l2_ctrl *ctrl)
 542 {
 543         struct mtk_vcodec_ctx *ctx = ctrl_to_ctx(ctrl);
 544         int ret = 0;
 545
 546         switch (ctrl->id) {
 547         case V4L2_CID_MIN_BUFFERS_FOR_CAPTURE:
 548                 if (ctx->state >= MTK_STATE_HEADER) {
 549                         ctrl->val = ctx->dpb_size;
 550                 } else {
 551                         mtk_v4l2_debug(0, "Seqinfo not ready");
 552                         ctrl->val = 0;
 553                 }
 554                 break;
 555         default:
 556                 ret = -EINVAL;
 557         }
 558         return ret;
 559 }
 560
 561 static const struct v4l2_ctrl_ops mtk_vcodec_dec_ctrl_ops = {
 562         .g_volatile_ctrl = mtk_vdec_g_v_ctrl,
 563 };
 564
 565 static int mtk_vcodec_dec_ctrls_setup(struct mtk_vcodec_ctx *ctx)
 566 {
 567         struct v4l2_ctrl *ctrl;
 568
 569         v4l2_ctrl_handler_init(&ctx->ctrl_hdl, 1);
 570
 571         ctrl = v4l2_ctrl_new_std(&ctx->ctrl_hdl, &mtk_vcodec_dec_ctrl_ops,
 572                                  V4L2_CID_MIN_BUFFERS_FOR_CAPTURE, 0, 32, 1, 1);
 573         ctrl->flags |= V4L2_CTRL_FLAG_VOLATILE;
 574         v4l2_ctrl_new_std_menu(&ctx->ctrl_hdl, &mtk_vcodec_dec_ctrl_ops,
 575                                V4L2_CID_MPEG_VIDEO_VP9_PROFILE,
 576                                V4L2_MPEG_VIDEO_VP9_PROFILE_0, 0,
 577                                V4L2_MPEG_VIDEO_VP9_PROFILE_0);
 578         /*
 579          * H264. Baseline / Extended decoding is not supported.
 580          */
 581         v4l2_ctrl_new_std_menu(&ctx->ctrl_hdl, &mtk_vcodec_dec_ctrl_ops,
 582                                V4L2_CID_MPEG_VIDEO_H264_PROFILE, V4L2_MPEG_VIDEO_H264_PROFILE_HIGH,
 583                                BIT(V4L2_MPEG_VIDEO_H264_PROFILE_BASELINE) |
 584                                BIT(V4L2_MPEG_VIDEO_H264_PROFILE_EXTENDED),
 585                                V4L2_MPEG_VIDEO_H264_PROFILE_MAIN);
 586
 587         if (ctx->ctrl_hdl.error) {
 588                 mtk_v4l2_err("Adding control failed %d", ctx->ctrl_hdl.error);
 589                 return ctx->ctrl_hdl.error;
 590         }
 591
 592         v4l2_ctrl_handler_setup(&ctx->ctrl_hdl);
 593         return 0;
 594 }
 595
 596 static void mtk_init_vdec_params(struct mtk_vcodec_ctx *ctx)
 597 {
 598 }
 599
 600 static struct vb2_ops mtk_vdec_frame_vb2_ops = {
 601         .queue_setup = vb2ops_vdec_queue_setup,
 602         .buf_prepare = vb2ops_vdec_buf_prepare,
 603         .wait_prepare = vb2_ops_wait_prepare,
 604         .wait_finish = vb2_ops_wait_finish,
 605         .start_streaming = vb2ops_vdec_start_streaming,
 606
 607         .buf_queue = vb2ops_vdec_stateful_buf_queue,
 608         .buf_init = vb2ops_vdec_buf_init,
 609         .buf_finish = vb2ops_vdec_buf_finish,
 610         .stop_streaming = vb2ops_vdec_stop_streaming,
 611 };
 612
 613 const struct mtk_vcodec_dec_pdata mtk_vdec_8173_pdata = {
 614         .init_vdec_params = mtk_init_vdec_params,
 615         .ctrls_setup = mtk_vcodec_dec_ctrls_setup,
 616         .vdec_vb2_ops = &mtk_vdec_frame_vb2_ops,
 617         .vdec_formats = mtk_video_formats,
 618         .num_formats = &num_supported_formats,
 619         .default_out_fmt = &mtk_video_formats[DEFAULT_OUT_FMT_IDX],
 620         .default_cap_fmt = &mtk_video_formats[DEFAULT_CAP_FMT_IDX],
 621         .vdec_framesizes = mtk_vdec_framesizes,
 622         .num_framesizes = &num_supported_framesize,
 623         .worker = mtk_vdec_worker,
 624         .flush_decoder = mtk_vdec_flush_decoder,
 625         .is_subdev_supported = false,
 626         .hw_arch = MTK_VDEC_PURE_SINGLE_CORE,
 627 };