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 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                 .frmsize = { MTK_VDEC_MIN_W, MTK_VDEC_MAX_W, 16,
  21                              MTK_VDEC_MIN_H, MTK_VDEC_MAX_H, 16 },
  22         },
  23         {
  24                 .fourcc = V4L2_PIX_FMT_VP8,
  25                 .type = MTK_FMT_DEC,
  26                 .num_planes = 1,
  27                 .flags = V4L2_FMT_FLAG_DYN_RESOLUTION,
  28                 .frmsize = { MTK_VDEC_MIN_W, MTK_VDEC_MAX_W, 16,
  29                              MTK_VDEC_MIN_H, MTK_VDEC_MAX_H, 16 },
  30         },
  31         {
  32                 .fourcc = V4L2_PIX_FMT_VP9,
  33                 .type = MTK_FMT_DEC,
  34                 .num_planes = 1,
  35                 .flags = V4L2_FMT_FLAG_DYN_RESOLUTION,
  36                 .frmsize = { MTK_VDEC_MIN_W, MTK_VDEC_MAX_W, 16,
  37                              MTK_VDEC_MIN_H, MTK_VDEC_MAX_H, 16 },
  38         },
  39         {
  40                 .fourcc = V4L2_PIX_FMT_MT21C,
  41                 .type = MTK_FMT_FRAME,
  42                 .num_planes = 2,
  43         },
  44 };
  45
  46 static const unsigned int num_supported_formats =
  47         ARRAY_SIZE(mtk_video_formats);
  48
  49 #define DEFAULT_OUT_FMT_IDX 0
  50 #define DEFAULT_CAP_FMT_IDX 3
  51
  52 /*
  53  * This function tries to clean all display buffers, the buffers will return
  54  * in display order.
  55  * Note the buffers returned from codec driver may still be in driver's
  56  * reference list.
  57  */
  58 static struct vb2_buffer *get_display_buffer(struct mtk_vcodec_ctx *ctx)
  59 {
  60         struct vdec_fb *disp_frame_buffer = NULL;
  61         struct mtk_video_dec_buf *dstbuf;
  62         struct vb2_v4l2_buffer *vb;
  63
  64         mtk_v4l2_debug(3, "[%d]", ctx->id);
  65         if (vdec_if_get_param(ctx, GET_PARAM_DISP_FRAME_BUFFER,
  66                               &disp_frame_buffer)) {
  67                 mtk_v4l2_err("[%d]Cannot get param : GET_PARAM_DISP_FRAME_BUFFER", ctx->id);
  68                 return NULL;
  69         }
  70
  71         if (!disp_frame_buffer) {
  72                 mtk_v4l2_debug(3, "No display frame buffer");
  73                 return NULL;
  74         }
  75
  76         dstbuf = container_of(disp_frame_buffer, struct mtk_video_dec_buf,
  77                               frame_buffer);
  78         vb = &dstbuf->m2m_buf.vb;
  79         mutex_lock(&ctx->lock);
  80         if (dstbuf->used) {
  81                 mtk_v4l2_debug(2, "[%d]status=%x queue id=%d to done_list %d",
  82                                ctx->id, disp_frame_buffer->status,
  83                                vb->vb2_buf.index, dstbuf->queued_in_vb2);
  84
  85                 v4l2_m2m_buf_done(vb, VB2_BUF_STATE_DONE);
  86                 ctx->decoded_frame_cnt++;
  87         }
  88         mutex_unlock(&ctx->lock);
  89         return &vb->vb2_buf;
  90 }
  91
  92 /*
  93  * This function tries to clean all capture buffers that are not used as
  94  * reference buffers by codec driver any more
  95  * In this case, we need re-queue buffer to vb2 buffer if user space
  96  * already returns this buffer to v4l2 or this buffer is just the output of
  97  * previous sps/pps/resolution change decode, or do nothing if user
  98  * space still owns this buffer
  99  */
 100 static struct vb2_buffer *get_free_buffer(struct mtk_vcodec_ctx *ctx)
 101 {
 102         struct mtk_video_dec_buf *dstbuf;
 103         struct vdec_fb *free_frame_buffer = NULL;
 104         struct vb2_v4l2_buffer *vb;
 105
 106         if (vdec_if_get_param(ctx, GET_PARAM_FREE_FRAME_BUFFER,
 107                               &free_frame_buffer)) {
 108                 mtk_v4l2_err("[%d] Error!! Cannot get param", ctx->id);
 109                 return NULL;
 110         }
 111         if (!free_frame_buffer) {
 112                 mtk_v4l2_debug(3, " No free frame buffer");
 113                 return NULL;
 114         }
 115
 116         mtk_v4l2_debug(3, "[%d] tmp_frame_addr = 0x%p", ctx->id,
 117                        free_frame_buffer);
 118
 119         dstbuf = container_of(free_frame_buffer, struct mtk_video_dec_buf,
 120                               frame_buffer);
 121         vb = &dstbuf->m2m_buf.vb;
 122
 123         mutex_lock(&ctx->lock);
 124         if (dstbuf->used) {
 125                 if (dstbuf->queued_in_vb2 && dstbuf->queued_in_v4l2 &&
 126                     free_frame_buffer->status == FB_ST_FREE) {
 127                         /*
 128                          * After decode sps/pps or non-display buffer, we don't
 129                          * need to return capture buffer to user space, but
 130                          * just re-queue this capture buffer to vb2 queue.
 131                          * This reduce overheads that dq/q unused capture
 132                          * buffer. In this case, queued_in_vb2 = true.
 133                          */
 134                         mtk_v4l2_debug(2, "[%d]status=%x queue id=%d to rdy_queue %d",
 135                                        ctx->id, free_frame_buffer->status,
 136                                        vb->vb2_buf.index, dstbuf->queued_in_vb2);
 137                         v4l2_m2m_buf_queue(ctx->m2m_ctx, vb);
 138                 } else if (!dstbuf->queued_in_vb2 && dstbuf->queued_in_v4l2) {
 139                         /*
 140                          * If buffer in v4l2 driver but not in vb2 queue yet,
 141                          * and we get this buffer from free_list, it means
 142                          * that codec driver do not use this buffer as
 143                          * reference buffer anymore. We should q buffer to vb2
 144                          * queue, so later work thread could get this buffer
 145                          * for decode. In this case, queued_in_vb2 = false
 146                          * means this buffer is not from previous decode
 147                          * output.
 148                          */
 149                         mtk_v4l2_debug(2,
 150                                        "[%d]status=%x queue id=%d to rdy_queue",
 151                                        ctx->id, free_frame_buffer->status,
 152                                        vb->vb2_buf.index);
 153                         v4l2_m2m_buf_queue(ctx->m2m_ctx, vb);
 154                         dstbuf->queued_in_vb2 = true;
 155                 } else {
 156                         /*
 157                          * Codec driver do not need to reference this capture
 158                          * buffer and this buffer is not in v4l2 driver.
 159                          * Then we don't need to do any thing, just add log when
 160                          * we need to debug buffer flow.
 161                          * When this buffer q from user space, it could
 162                          * directly q to vb2 buffer
 163                          */
 164                         mtk_v4l2_debug(3, "[%d]status=%x err queue id=%d %d %d",
 165                                        ctx->id, free_frame_buffer->status,
 166                                        vb->vb2_buf.index, dstbuf->queued_in_vb2,
 167                                        dstbuf->queued_in_v4l2);
 168                 }
 169                 dstbuf->used = false;
 170         }
 171         mutex_unlock(&ctx->lock);
 172         return &vb->vb2_buf;
 173 }
 174
 175 static void clean_display_buffer(struct mtk_vcodec_ctx *ctx)
 176 {
 177         while (get_display_buffer(ctx))
 178                 ;
 179 }
 180
 181 static void clean_free_buffer(struct mtk_vcodec_ctx *ctx)
 182 {
 183         while (get_free_buffer(ctx))
 184                 ;
 185 }
 186
 187 static void mtk_vdec_queue_res_chg_event(struct mtk_vcodec_ctx *ctx)
 188 {
 189         static const struct v4l2_event ev_src_ch = {
 190                 .type = V4L2_EVENT_SOURCE_CHANGE,
 191                 .u.src_change.changes = V4L2_EVENT_SRC_CH_RESOLUTION,
 192         };
 193
 194         mtk_v4l2_debug(1, "[%d]", ctx->id);
 195         v4l2_event_queue_fh(&ctx->fh, &ev_src_ch);
 196 }
 197
 198 static int mtk_vdec_flush_decoder(struct mtk_vcodec_ctx *ctx)
 199 {
 200         bool res_chg;
 201         int ret;
 202
 203         ret = vdec_if_decode(ctx, NULL, NULL, &res_chg);
 204         if (ret)
 205                 mtk_v4l2_err("DecodeFinal failed, ret=%d", ret);
 206
 207         clean_display_buffer(ctx);
 208         clean_free_buffer(ctx);
 209
 210         return 0;
 211 }
 212
 213 static void mtk_vdec_update_fmt(struct mtk_vcodec_ctx *ctx,
 214                                 unsigned int pixelformat)
 215 {
 216         const struct mtk_video_fmt *fmt;
 217         struct mtk_q_data *dst_q_data;
 218         unsigned int k;
 219
 220         dst_q_data = &ctx->q_data[MTK_Q_DATA_DST];
 221         for (k = 0; k < num_supported_formats; k++) {
 222                 fmt = &mtk_video_formats[k];
 223                 if (fmt->fourcc == pixelformat) {
 224                         mtk_v4l2_debug(1, "Update cap fourcc(%d -> %d)",
 225                                        dst_q_data->fmt->fourcc, pixelformat);
 226                         dst_q_data->fmt = fmt;
 227                         return;
 228                 }
 229         }
 230
 231         mtk_v4l2_err("Cannot get fourcc(%d), using init value", pixelformat);
 232 }
 233
 234 static int mtk_vdec_pic_info_update(struct mtk_vcodec_ctx *ctx)
 235 {
 236         unsigned int dpbsize = 0;
 237         int ret;
 238
 239         if (vdec_if_get_param(ctx, GET_PARAM_PIC_INFO,
 240                               &ctx->last_decoded_picinfo)) {
 241                 mtk_v4l2_err("[%d]Error!! Cannot get param : GET_PARAM_PICTURE_INFO ERR", ctx->id);
 242                 return -EINVAL;
 243         }
 244
 245         if (ctx->last_decoded_picinfo.pic_w == 0 ||
 246             ctx->last_decoded_picinfo.pic_h == 0 ||
 247             ctx->last_decoded_picinfo.buf_w == 0 ||
 248             ctx->last_decoded_picinfo.buf_h == 0) {
 249                 mtk_v4l2_err("Cannot get correct pic info");
 250                 return -EINVAL;
 251         }
 252
 253         if (ctx->last_decoded_picinfo.cap_fourcc != ctx->picinfo.cap_fourcc &&
 254             ctx->picinfo.cap_fourcc != 0)
 255                 mtk_vdec_update_fmt(ctx, ctx->picinfo.cap_fourcc);
 256
 257         if (ctx->last_decoded_picinfo.pic_w == ctx->picinfo.pic_w ||
 258             ctx->last_decoded_picinfo.pic_h == ctx->picinfo.pic_h)
 259                 return 0;
 260
 261         mtk_v4l2_debug(1, "[%d]-> new(%d,%d), old(%d,%d), real(%d,%d)", ctx->id,
 262                        ctx->last_decoded_picinfo.pic_w,
 263                        ctx->last_decoded_picinfo.pic_h, ctx->picinfo.pic_w,
 264                        ctx->picinfo.pic_h, ctx->last_decoded_picinfo.buf_w,
 265                        ctx->last_decoded_picinfo.buf_h);
 266
 267         ret = vdec_if_get_param(ctx, GET_PARAM_DPB_SIZE, &dpbsize);
 268         if (dpbsize == 0)
 269                 mtk_v4l2_err("Incorrect dpb size, ret=%d", ret);
 270
 271         ctx->dpb_size = dpbsize;
 272
 273         return ret;
 274 }
 275
 276 static void mtk_vdec_worker(struct work_struct *work)
 277 {
 278         struct mtk_vcodec_ctx *ctx =
 279                 container_of(work, struct mtk_vcodec_ctx, decode_work);
 280         struct mtk_vcodec_dev *dev = ctx->dev;
 281         struct vb2_v4l2_buffer *src_buf, *dst_buf;
 282         struct mtk_vcodec_mem buf;
 283         struct vdec_fb *pfb;
 284         bool res_chg = false;
 285         int ret;
 286         struct mtk_video_dec_buf *dst_buf_info, *src_buf_info;
 287
 288         src_buf = v4l2_m2m_next_src_buf(ctx->m2m_ctx);
 289         if (!src_buf) {
 290                 v4l2_m2m_job_finish(dev->m2m_dev_dec, ctx->m2m_ctx);
 291                 mtk_v4l2_debug(1, "[%d] src_buf empty!!", ctx->id);
 292                 return;
 293         }
 294
 295         dst_buf = v4l2_m2m_next_dst_buf(ctx->m2m_ctx);
 296         if (!dst_buf) {
 297                 v4l2_m2m_job_finish(dev->m2m_dev_dec, ctx->m2m_ctx);
 298                 mtk_v4l2_debug(1, "[%d] dst_buf empty!!", ctx->id);
 299                 return;
 300         }
 301
 302         dst_buf_info =
 303                 container_of(dst_buf, struct mtk_video_dec_buf, m2m_buf.vb);
 304
 305         pfb = &dst_buf_info->frame_buffer;
 306         pfb->base_y.va = vb2_plane_vaddr(&dst_buf->vb2_buf, 0);
 307         pfb->base_y.dma_addr =
 308                 vb2_dma_contig_plane_dma_addr(&dst_buf->vb2_buf, 0);
 309         pfb->base_y.size = ctx->picinfo.fb_sz[0];
 310
 311         pfb->base_c.va = vb2_plane_vaddr(&dst_buf->vb2_buf, 1);
 312         pfb->base_c.dma_addr =
 313                 vb2_dma_contig_plane_dma_addr(&dst_buf->vb2_buf, 1);
 314         pfb->base_c.size = ctx->picinfo.fb_sz[1];
 315         pfb->status = 0;
 316         mtk_v4l2_debug(3, "===>[%d] vdec_if_decode() ===>", ctx->id);
 317
 318         mtk_v4l2_debug(3,
 319                        "id=%d Framebuf  pfb=%p VA=%p Y_DMA=%pad C_DMA=%pad Size=%zx",
 320                        dst_buf->vb2_buf.index, pfb, pfb->base_y.va,
 321                        &pfb->base_y.dma_addr, &pfb->base_c.dma_addr, pfb->base_y.size);
 322
 323         if (src_buf == &ctx->empty_flush_buf.vb) {
 324                 mtk_v4l2_debug(1, "Got empty flush input buffer.");
 325                 src_buf = v4l2_m2m_src_buf_remove(ctx->m2m_ctx);
 326
 327                 /* update dst buf status */
 328                 dst_buf = v4l2_m2m_dst_buf_remove(ctx->m2m_ctx);
 329                 mutex_lock(&ctx->lock);
 330                 dst_buf_info->used = false;
 331                 mutex_unlock(&ctx->lock);
 332
 333                 vdec_if_decode(ctx, NULL, NULL, &res_chg);
 334                 clean_display_buffer(ctx);
 335                 vb2_set_plane_payload(&dst_buf->vb2_buf, 0, 0);
 336                 if (ctx->q_data[MTK_Q_DATA_DST].fmt->num_planes == 2)
 337                         vb2_set_plane_payload(&dst_buf->vb2_buf, 1, 0);
 338                 dst_buf->flags |= V4L2_BUF_FLAG_LAST;
 339                 v4l2_m2m_buf_done(dst_buf, VB2_BUF_STATE_DONE);
 340                 clean_free_buffer(ctx);
 341                 v4l2_m2m_job_finish(dev->m2m_dev_dec, ctx->m2m_ctx);
 342                 return;
 343         }
 344
 345         src_buf_info =
 346                 container_of(src_buf, struct mtk_video_dec_buf, m2m_buf.vb);
 347
 348         buf.va = vb2_plane_vaddr(&src_buf->vb2_buf, 0);
 349         buf.dma_addr = vb2_dma_contig_plane_dma_addr(&src_buf->vb2_buf, 0);
 350         buf.size = (size_t)src_buf->vb2_buf.planes[0].bytesused;
 351         if (!buf.va) {
 352                 v4l2_m2m_job_finish(dev->m2m_dev_dec, ctx->m2m_ctx);
 353                 mtk_v4l2_err("[%d] id=%d src_addr is NULL!!", ctx->id,
 354                              src_buf->vb2_buf.index);
 355                 return;
 356         }
 357         mtk_v4l2_debug(3, "[%d] Bitstream VA=%p DMA=%pad Size=%zx vb=%p",
 358                        ctx->id, buf.va, &buf.dma_addr, buf.size, src_buf);
 359         dst_buf->vb2_buf.timestamp = src_buf->vb2_buf.timestamp;
 360         dst_buf->timecode = src_buf->timecode;
 361         mutex_lock(&ctx->lock);
 362         dst_buf_info->used = true;
 363         mutex_unlock(&ctx->lock);
 364         src_buf_info->used = true;
 365
 366         ret = vdec_if_decode(ctx, &buf, pfb, &res_chg);
 367
 368         if (ret) {
 369                 mtk_v4l2_err(" <===[%d], src_buf[%d] sz=0x%zx pts=%llu dst_buf[%d] vdec_if_decode() ret=%d res_chg=%d===>",
 370                              ctx->id, src_buf->vb2_buf.index, buf.size,
 371                              src_buf->vb2_buf.timestamp, dst_buf->vb2_buf.index, ret, res_chg);
 372                 src_buf = v4l2_m2m_src_buf_remove(ctx->m2m_ctx);
 373                 if (ret == -EIO) {
 374                         mutex_lock(&ctx->lock);
 375                         src_buf_info->error = true;
 376                         mutex_unlock(&ctx->lock);
 377                 }
 378                 v4l2_m2m_buf_done(src_buf, VB2_BUF_STATE_ERROR);
 379         } else if (!res_chg) {
 380                 /*
 381                  * we only return src buffer with VB2_BUF_STATE_DONE
 382                  * when decode success without resolution change
 383                  */
 384                 src_buf = v4l2_m2m_src_buf_remove(ctx->m2m_ctx);
 385                 v4l2_m2m_buf_done(src_buf, VB2_BUF_STATE_DONE);
 386         }
 387
 388         dst_buf = v4l2_m2m_dst_buf_remove(ctx->m2m_ctx);
 389         clean_display_buffer(ctx);
 390         clean_free_buffer(ctx);
 391
 392         if (!ret && res_chg) {
 393                 mtk_vdec_pic_info_update(ctx);
 394                 /*
 395                  * On encountering a resolution change in the stream.
 396                  * The driver must first process and decode all
 397                  * remaining buffers from before the resolution change
 398                  * point, so call flush decode here
 399                  */
 400                 mtk_vdec_flush_decoder(ctx);
 401                 /*
 402                  * After all buffers containing decoded frames from
 403                  * before the resolution change point ready to be
 404                  * dequeued on the CAPTURE queue, the driver sends a
 405                  * V4L2_EVENT_SOURCE_CHANGE event for source change
 406                  * type V4L2_EVENT_SRC_CH_RESOLUTION
 407                  */
 408                 mtk_vdec_queue_res_chg_event(ctx);
 409         }
 410         v4l2_m2m_job_finish(dev->m2m_dev_dec, ctx->m2m_ctx);
 411 }
 412
 413 static void vb2ops_vdec_stateful_buf_queue(struct vb2_buffer *vb)
 414 {
 415         struct vb2_v4l2_buffer *src_buf;
 416         struct mtk_vcodec_mem src_mem;
 417         bool res_chg = false;
 418         int ret;
 419         unsigned int dpbsize = 1, i;
 420         struct mtk_vcodec_ctx *ctx = vb2_get_drv_priv(vb->vb2_queue);
 421         struct vb2_v4l2_buffer *vb2_v4l2;
 422         struct mtk_q_data *dst_q_data;
 423
 424         mtk_v4l2_debug(3, "[%d] (%d) id=%d, vb=%p", ctx->id,
 425                        vb->vb2_queue->type, vb->index, vb);
 426         /*
 427          * check if this buffer is ready to be used after decode
 428          */
 429         if (vb->vb2_queue->type != V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
 430                 struct mtk_video_dec_buf *buf;
 431
 432                 vb2_v4l2 = to_vb2_v4l2_buffer(vb);
 433                 buf = container_of(vb2_v4l2, struct mtk_video_dec_buf,
 434                                    m2m_buf.vb);
 435                 mutex_lock(&ctx->lock);
 436                 if (!buf->used) {
 437                         v4l2_m2m_buf_queue(ctx->m2m_ctx, vb2_v4l2);
 438                         buf->queued_in_vb2 = true;
 439                         buf->queued_in_v4l2 = true;
 440                 } else {
 441                         buf->queued_in_vb2 = false;
 442                         buf->queued_in_v4l2 = true;
 443                 }
 444                 mutex_unlock(&ctx->lock);
 445                 return;
 446         }
 447
 448         v4l2_m2m_buf_queue(ctx->m2m_ctx, to_vb2_v4l2_buffer(vb));
 449
 450         if (ctx->state != MTK_STATE_INIT) {
 451                 mtk_v4l2_debug(3, "[%d] already init driver %d", ctx->id,
 452                                ctx->state);
 453                 return;
 454         }
 455
 456         src_buf = v4l2_m2m_next_src_buf(ctx->m2m_ctx);
 457         if (!src_buf) {
 458                 mtk_v4l2_err("No src buffer");
 459                 return;
 460         }
 461
 462         if (src_buf == &ctx->empty_flush_buf.vb) {
 463                 /* This shouldn't happen. Just in case. */
 464                 mtk_v4l2_err("Invalid flush buffer.");
 465                 v4l2_m2m_src_buf_remove(ctx->m2m_ctx);
 466                 return;
 467         }
 468
 469         src_mem.va = vb2_plane_vaddr(&src_buf->vb2_buf, 0);
 470         src_mem.dma_addr = vb2_dma_contig_plane_dma_addr(&src_buf->vb2_buf, 0);
 471         src_mem.size = (size_t)src_buf->vb2_buf.planes[0].bytesused;
 472         mtk_v4l2_debug(2, "[%d] buf id=%d va=%p dma=%pad size=%zx", ctx->id,
 473                        src_buf->vb2_buf.index, src_mem.va, &src_mem.dma_addr,
 474                        src_mem.size);
 475
 476         ret = vdec_if_decode(ctx, &src_mem, NULL, &res_chg);
 477         if (ret || !res_chg) {
 478                 /*
 479                  * fb == NULL means to parse SPS/PPS header or
 480                  * resolution info in src_mem. Decode can fail
 481                  * if there is no SPS header or picture info
 482                  * in bs
 483                  */
 484
 485                 src_buf = v4l2_m2m_src_buf_remove(ctx->m2m_ctx);
 486                 if (ret == -EIO) {
 487                         mtk_v4l2_err("[%d] Unrecoverable error in vdec_if_decode.", ctx->id);
 488                         ctx->state = MTK_STATE_ABORT;
 489                         v4l2_m2m_buf_done(src_buf, VB2_BUF_STATE_ERROR);
 490                 } else {
 491                         v4l2_m2m_buf_done(src_buf, VB2_BUF_STATE_DONE);
 492                 }
 493                 mtk_v4l2_debug(ret ? 0 : 1,
 494                                "[%d] vdec_if_decode() src_buf=%d, size=%zu, fail=%d, res_chg=%d",
 495                                ctx->id, src_buf->vb2_buf.index, src_mem.size, ret, res_chg);
 496                 return;
 497         }
 498
 499         if (vdec_if_get_param(ctx, GET_PARAM_PIC_INFO, &ctx->picinfo)) {
 500                 mtk_v4l2_err("[%d]Error!! Cannot get param : GET_PARAM_PICTURE_INFO ERR", ctx->id);
 501                 return;
 502         }
 503
 504         ctx->last_decoded_picinfo = ctx->picinfo;
 505         dst_q_data = &ctx->q_data[MTK_Q_DATA_DST];
 506         for (i = 0; i < dst_q_data->fmt->num_planes; i++) {
 507                 dst_q_data->sizeimage[i] = ctx->picinfo.fb_sz[i];
 508                 dst_q_data->bytesperline[i] = ctx->picinfo.buf_w;
 509         }
 510
 511         mtk_v4l2_debug(2, "[%d] vdec_if_init() OK wxh=%dx%d pic wxh=%dx%d sz[0]=0x%x sz[1]=0x%x",
 512                        ctx->id, ctx->picinfo.buf_w, ctx->picinfo.buf_h, ctx->picinfo.pic_w,
 513                        ctx->picinfo.pic_h, dst_q_data->sizeimage[0], dst_q_data->sizeimage[1]);
 514
 515         ret = vdec_if_get_param(ctx, GET_PARAM_DPB_SIZE, &dpbsize);
 516         if (dpbsize == 0)
 517                 mtk_v4l2_err("[%d] GET_PARAM_DPB_SIZE fail=%d", ctx->id, ret);
 518
 519         ctx->dpb_size = dpbsize;
 520         ctx->state = MTK_STATE_HEADER;
 521         mtk_v4l2_debug(1, "[%d] dpbsize=%d", ctx->id, ctx->dpb_size);
 522
 523         mtk_vdec_queue_res_chg_event(ctx);
 524 }
 525
 526 static int mtk_vdec_g_v_ctrl(struct v4l2_ctrl *ctrl)
 527 {
 528         struct mtk_vcodec_ctx *ctx = ctrl_to_ctx(ctrl);
 529         int ret = 0;
 530
 531         switch (ctrl->id) {
 532         case V4L2_CID_MIN_BUFFERS_FOR_CAPTURE:
 533                 if (ctx->state >= MTK_STATE_HEADER) {
 534                         ctrl->val = ctx->dpb_size;
 535                 } else {
 536                         mtk_v4l2_debug(0, "Seqinfo not ready");
 537                         ctrl->val = 0;
 538                 }
 539                 break;
 540         default:
 541                 ret = -EINVAL;
 542         }
 543         return ret;
 544 }
 545
 546 static const struct v4l2_ctrl_ops mtk_vcodec_dec_ctrl_ops = {
 547         .g_volatile_ctrl = mtk_vdec_g_v_ctrl,
 548 };
 549
 550 static int mtk_vcodec_dec_ctrls_setup(struct mtk_vcodec_ctx *ctx)
 551 {
 552         struct v4l2_ctrl *ctrl;
 553
 554         v4l2_ctrl_handler_init(&ctx->ctrl_hdl, 1);
 555
 556         ctrl = v4l2_ctrl_new_std(&ctx->ctrl_hdl, &mtk_vcodec_dec_ctrl_ops,
 557                                  V4L2_CID_MIN_BUFFERS_FOR_CAPTURE, 0, 32, 1, 1);
 558         ctrl->flags |= V4L2_CTRL_FLAG_VOLATILE;
 559         v4l2_ctrl_new_std_menu(&ctx->ctrl_hdl, &mtk_vcodec_dec_ctrl_ops,
 560                                V4L2_CID_MPEG_VIDEO_VP9_PROFILE,
 561                                V4L2_MPEG_VIDEO_VP9_PROFILE_0, 0,
 562                                V4L2_MPEG_VIDEO_VP9_PROFILE_0);
 563         /*
 564          * H264. Baseline / Extended decoding is not supported.
 565          */
 566         v4l2_ctrl_new_std_menu(&ctx->ctrl_hdl, &mtk_vcodec_dec_ctrl_ops,
 567                                V4L2_CID_MPEG_VIDEO_H264_PROFILE, V4L2_MPEG_VIDEO_H264_PROFILE_HIGH,
 568                                BIT(V4L2_MPEG_VIDEO_H264_PROFILE_BASELINE) |
 569                                BIT(V4L2_MPEG_VIDEO_H264_PROFILE_EXTENDED),
 570                                V4L2_MPEG_VIDEO_H264_PROFILE_MAIN);
 571
 572         if (ctx->ctrl_hdl.error) {
 573                 mtk_v4l2_err("Adding control failed %d", ctx->ctrl_hdl.error);
 574                 return ctx->ctrl_hdl.error;
 575         }
 576
 577         v4l2_ctrl_handler_setup(&ctx->ctrl_hdl);
 578         return 0;
 579 }
 580
 581 static void mtk_init_vdec_params(struct mtk_vcodec_ctx *ctx)
 582 {
 583         unsigned int i;
 584
 585         if (!(ctx->dev->dec_capability & VCODEC_CAPABILITY_4K_DISABLED)) {
 586                 for (i = 0; i < num_supported_formats; i++) {
 587                         mtk_video_formats[i].frmsize.max_width =
 588                                 VCODEC_DEC_4K_CODED_WIDTH;
 589                         mtk_video_formats[i].frmsize.max_height =
 590                                 VCODEC_DEC_4K_CODED_HEIGHT;
 591                 }
 592         }
 593 }
 594
 595 static struct vb2_ops mtk_vdec_frame_vb2_ops = {
 596         .queue_setup = vb2ops_vdec_queue_setup,
 597         .buf_prepare = vb2ops_vdec_buf_prepare,
 598         .wait_prepare = vb2_ops_wait_prepare,
 599         .wait_finish = vb2_ops_wait_finish,
 600         .start_streaming = vb2ops_vdec_start_streaming,
 601
 602         .buf_queue = vb2ops_vdec_stateful_buf_queue,
 603         .buf_init = vb2ops_vdec_buf_init,
 604         .buf_finish = vb2ops_vdec_buf_finish,
 605         .stop_streaming = vb2ops_vdec_stop_streaming,
 606 };
 607
 608 const struct mtk_vcodec_dec_pdata mtk_vdec_8173_pdata = {
 609         .init_vdec_params = mtk_init_vdec_params,
 610         .ctrls_setup = mtk_vcodec_dec_ctrls_setup,
 611         .vdec_vb2_ops = &mtk_vdec_frame_vb2_ops,
 612         .vdec_formats = mtk_video_formats,
 613         .num_formats = &num_supported_formats,
 614         .default_out_fmt = &mtk_video_formats[DEFAULT_OUT_FMT_IDX],
 615         .default_cap_fmt = &mtk_video_formats[DEFAULT_CAP_FMT_IDX],
 616         .worker = mtk_vdec_worker,
 617         .flush_decoder = mtk_vdec_flush_decoder,
 618         .is_subdev_supported = false,
 619         .hw_arch = MTK_VDEC_PURE_SINGLE_CORE,
 620 };