drivers/media/platform/mediatek/vcodec/vdec/vdec_h264_req_multi_if.c

   1 // SPDX-License-Identifier: GPL-2.0
   2 /*
   3  * Copyright (c) 2022 MediaTek Inc.
   4  * Author: Yunfei Dong <yunfei.dong@mediatek.com>
   5  */
   6
   7 #include <linux/module.h>
   8 #include <linux/slab.h>
   9 #include <media/v4l2-h264.h>
  10 #include <media/v4l2-mem2mem.h>
  11 #include <media/videobuf2-dma-contig.h>
  12
  13 #include "../mtk_vcodec_util.h"
  14 #include "../mtk_vcodec_dec.h"
  15 #include "../mtk_vcodec_intr.h"
  16 #include "../vdec_drv_base.h"
  17 #include "../vdec_drv_if.h"
  18 #include "../vdec_vpu_if.h"
  19 #include "vdec_h264_req_common.h"
  20
  21 /**
  22  * enum vdec_h264_core_dec_err_type  - core decode error type
  23  *
  24  * @TRANS_BUFFER_FULL: trans buffer is full
  25  * @SLICE_HEADER_FULL: slice header buffer is full
  26  */
  27 enum vdec_h264_core_dec_err_type {
  28         TRANS_BUFFER_FULL = 1,
  29         SLICE_HEADER_FULL,
  30 };
  31
  32 /**
  33  * struct vdec_h264_slice_lat_dec_param  - parameters for decode current frame
  34  *
  35  * @sps:                h264 sps syntax parameters
  36  * @pps:                h264 pps syntax parameters
  37  * @slice_header:       h264 slice header syntax parameters
  38  * @scaling_matrix:     h264 scaling list parameters
  39  * @decode_params:      decoder parameters of each frame used for hardware decode
  40  * @h264_dpb_info:      dpb reference list
  41  */
  42 struct vdec_h264_slice_lat_dec_param {
  43         struct mtk_h264_sps_param sps;
  44         struct mtk_h264_pps_param pps;
  45         struct mtk_h264_slice_hd_param slice_header;
  46         struct slice_api_h264_scaling_matrix scaling_matrix;
  47         struct slice_api_h264_decode_param decode_params;
  48         struct mtk_h264_dpb_info h264_dpb_info[V4L2_H264_NUM_DPB_ENTRIES];
  49 };
  50
  51 /**
  52  * struct vdec_h264_slice_info - decode information
  53  *
  54  * @nal_info:           nal info of current picture
  55  * @timeout:            Decode timeout: 1 timeout, 0 no timeount
  56  * @bs_buf_size:        bitstream size
  57  * @bs_buf_addr:        bitstream buffer dma address
  58  * @y_fb_dma:           Y frame buffer dma address
  59  * @c_fb_dma:           C frame buffer dma address
  60  * @vdec_fb_va: VDEC frame buffer struct virtual address
  61  * @crc:                Used to check whether hardware's status is right
  62  */
  63 struct vdec_h264_slice_info {
  64         u16 nal_info;
  65         u16 timeout;
  66         u32 bs_buf_size;
  67         u64 bs_buf_addr;
  68         u64 y_fb_dma;
  69         u64 c_fb_dma;
  70         u64 vdec_fb_va;
  71         u32 crc[8];
  72 };
  73
  74 /**
  75  * struct vdec_h264_slice_vsi - shared memory for decode information exchange
  76  *        between SCP and Host.
  77  *
  78  * @wdma_err_addr:              wdma error dma address
  79  * @wdma_start_addr:            wdma start dma address
  80  * @wdma_end_addr:              wdma end dma address
  81  * @slice_bc_start_addr:        slice bc start dma address
  82  * @slice_bc_end_addr:          slice bc end dma address
  83  * @row_info_start_addr:        row info start dma address
  84  * @row_info_end_addr:          row info end dma address
  85  * @trans_start:                trans start dma address
  86  * @trans_end:                  trans end dma address
  87  * @wdma_end_addr_offset:       wdma end address offset
  88  *
  89  * @mv_buf_dma:         HW working motion vector buffer
  90  *                              dma address (AP-W, VPU-R)
  91  * @dec:                        decode information (AP-R, VPU-W)
  92  * @h264_slice_params:          decode parameters for hw used
  93  */
  94 struct vdec_h264_slice_vsi {
  95         /* LAT dec addr */
  96         u64 wdma_err_addr;
  97         u64 wdma_start_addr;
  98         u64 wdma_end_addr;
  99         u64 slice_bc_start_addr;
 100         u64 slice_bc_end_addr;
 101         u64 row_info_start_addr;
 102         u64 row_info_end_addr;
 103         u64 trans_start;
 104         u64 trans_end;
 105         u64 wdma_end_addr_offset;
 106
 107         u64 mv_buf_dma[H264_MAX_MV_NUM];
 108         struct vdec_h264_slice_info dec;
 109         struct vdec_h264_slice_lat_dec_param h264_slice_params;
 110 };
 111
 112 /**
 113  * struct vdec_h264_slice_share_info - shared information used to exchange
 114  *                                     message between lat and core
 115  *
 116  * @sps:                sequence header information from user space
 117  * @dec_params: decoder params from user space
 118  * @h264_slice_params:  decoder params used for hardware
 119  * @trans_start:        trans start dma address
 120  * @trans_end:          trans end dma address
 121  * @nal_info:           nal info of current picture
 122  */
 123 struct vdec_h264_slice_share_info {
 124         struct v4l2_ctrl_h264_sps sps;
 125         struct v4l2_ctrl_h264_decode_params dec_params;
 126         struct vdec_h264_slice_lat_dec_param h264_slice_params;
 127         u64 trans_start;
 128         u64 trans_end;
 129         u16 nal_info;
 130 };
 131
 132 /**
 133  * struct vdec_h264_slice_inst - h264 decoder instance
 134  *
 135  * @slice_dec_num:      how many picture be decoded
 136  * @ctx:                point to mtk_vcodec_ctx
 137  * @pred_buf:           HW working predication buffer
 138  * @mv_buf:             HW working motion vector buffer
 139  * @vpu:                VPU instance
 140  * @vsi:                vsi used for lat
 141  * @vsi_core:           vsi used for core
 142  *
 143  * @vsi_ctx:            Local VSI data for this decoding context
 144  * @h264_slice_param:   the parameters that hardware use to decode
 145  *
 146  * @resolution_changed:resolution changed
 147  * @realloc_mv_buf:     reallocate mv buffer
 148  * @cap_num_planes:     number of capture queue plane
 149  *
 150  * @dpb:                decoded picture buffer used to store reference
 151  *                      buffer information
 152  *@is_field_bitstream:  is field bitstream
 153  */
 154 struct vdec_h264_slice_inst {
 155         unsigned int slice_dec_num;
 156         struct mtk_vcodec_ctx *ctx;
 157         struct mtk_vcodec_mem pred_buf;
 158         struct mtk_vcodec_mem mv_buf[H264_MAX_MV_NUM];
 159         struct vdec_vpu_inst vpu;
 160         struct vdec_h264_slice_vsi *vsi;
 161         struct vdec_h264_slice_vsi *vsi_core;
 162
 163         struct vdec_h264_slice_vsi vsi_ctx;
 164         struct vdec_h264_slice_lat_dec_param h264_slice_param;
 165
 166         unsigned int resolution_changed;
 167         unsigned int realloc_mv_buf;
 168         unsigned int cap_num_planes;
 169
 170         struct v4l2_h264_dpb_entry dpb[16];
 171         bool is_field_bitstream;
 172 };
 173
 174 static int vdec_h264_slice_fill_decode_parameters(struct vdec_h264_slice_inst *inst,
 175                                                   struct vdec_h264_slice_share_info *share_info)
 176 {
 177         struct vdec_h264_slice_lat_dec_param *slice_param = &inst->vsi->h264_slice_params;
 178         const struct v4l2_ctrl_h264_decode_params *dec_params;
 179         const struct v4l2_ctrl_h264_scaling_matrix *src_matrix;
 180         const struct v4l2_ctrl_h264_sps *sps;
 181         const struct v4l2_ctrl_h264_pps *pps;
 182
 183         dec_params =
 184                 mtk_vdec_h264_get_ctrl_ptr(inst->ctx, V4L2_CID_STATELESS_H264_DECODE_PARAMS);
 185         if (IS_ERR(dec_params))
 186                 return PTR_ERR(dec_params);
 187
 188         src_matrix =
 189                 mtk_vdec_h264_get_ctrl_ptr(inst->ctx, V4L2_CID_STATELESS_H264_SCALING_MATRIX);
 190         if (IS_ERR(src_matrix))
 191                 return PTR_ERR(src_matrix);
 192
 193         sps = mtk_vdec_h264_get_ctrl_ptr(inst->ctx, V4L2_CID_STATELESS_H264_SPS);
 194         if (IS_ERR(sps))
 195                 return PTR_ERR(sps);
 196
 197         pps = mtk_vdec_h264_get_ctrl_ptr(inst->ctx, V4L2_CID_STATELESS_H264_PPS);
 198         if (IS_ERR(pps))
 199                 return PTR_ERR(pps);
 200
 201         if (dec_params->flags & V4L2_H264_DECODE_PARAM_FLAG_FIELD_PIC) {
 202                 mtk_vcodec_err(inst, "No support for H.264 field decoding.");
 203                 inst->is_field_bitstream = true;
 204                 return -EINVAL;
 205         }
 206
 207         mtk_vdec_h264_copy_sps_params(&slice_param->sps, sps);
 208         mtk_vdec_h264_copy_pps_params(&slice_param->pps, pps);
 209         mtk_vdec_h264_copy_scaling_matrix(&slice_param->scaling_matrix, src_matrix);
 210
 211         memcpy(&share_info->sps, sps, sizeof(*sps));
 212         memcpy(&share_info->dec_params, dec_params, sizeof(*dec_params));
 213
 214         return 0;
 215 }
 216
 217 static int get_vdec_sig_decode_parameters(struct vdec_h264_slice_inst *inst)
 218 {
 219         const struct v4l2_ctrl_h264_decode_params *dec_params;
 220         const struct v4l2_ctrl_h264_sps *sps;
 221         const struct v4l2_ctrl_h264_pps *pps;
 222         const struct v4l2_ctrl_h264_scaling_matrix *scaling_matrix;
 223         struct vdec_h264_slice_lat_dec_param *slice_param = &inst->h264_slice_param;
 224         struct v4l2_h264_reflist_builder reflist_builder;
 225         struct v4l2_h264_reference v4l2_p0_reflist[V4L2_H264_REF_LIST_LEN];
 226         struct v4l2_h264_reference v4l2_b0_reflist[V4L2_H264_REF_LIST_LEN];
 227         struct v4l2_h264_reference v4l2_b1_reflist[V4L2_H264_REF_LIST_LEN];
 228         u8 *p0_reflist = slice_param->decode_params.ref_pic_list_p0;
 229         u8 *b0_reflist = slice_param->decode_params.ref_pic_list_b0;
 230         u8 *b1_reflist = slice_param->decode_params.ref_pic_list_b1;
 231
 232         dec_params =
 233                 mtk_vdec_h264_get_ctrl_ptr(inst->ctx, V4L2_CID_STATELESS_H264_DECODE_PARAMS);
 234         if (IS_ERR(dec_params))
 235                 return PTR_ERR(dec_params);
 236
 237         sps = mtk_vdec_h264_get_ctrl_ptr(inst->ctx, V4L2_CID_STATELESS_H264_SPS);
 238         if (IS_ERR(sps))
 239                 return PTR_ERR(sps);
 240
 241         pps = mtk_vdec_h264_get_ctrl_ptr(inst->ctx, V4L2_CID_STATELESS_H264_PPS);
 242         if (IS_ERR(pps))
 243                 return PTR_ERR(pps);
 244
 245         scaling_matrix =
 246                 mtk_vdec_h264_get_ctrl_ptr(inst->ctx, V4L2_CID_STATELESS_H264_SCALING_MATRIX);
 247         if (IS_ERR(scaling_matrix))
 248                 return PTR_ERR(scaling_matrix);
 249
 250         mtk_vdec_h264_update_dpb(dec_params, inst->dpb);
 251
 252         mtk_vdec_h264_copy_sps_params(&slice_param->sps, sps);
 253         mtk_vdec_h264_copy_pps_params(&slice_param->pps, pps);
 254         mtk_vdec_h264_copy_scaling_matrix(&slice_param->scaling_matrix, scaling_matrix);
 255
 256         mtk_vdec_h264_copy_decode_params(&slice_param->decode_params, dec_params, inst->dpb);
 257         mtk_vdec_h264_fill_dpb_info(inst->ctx, &slice_param->decode_params,
 258                                     slice_param->h264_dpb_info);
 259
 260         /* Build the reference lists */
 261         v4l2_h264_init_reflist_builder(&reflist_builder, dec_params, sps, inst->dpb);
 262         v4l2_h264_build_p_ref_list(&reflist_builder, v4l2_p0_reflist);
 263         v4l2_h264_build_b_ref_lists(&reflist_builder, v4l2_b0_reflist, v4l2_b1_reflist);
 264
 265         /* Adapt the built lists to the firmware's expectations */
 266         mtk_vdec_h264_get_ref_list(p0_reflist, v4l2_p0_reflist, reflist_builder.num_valid);
 267         mtk_vdec_h264_get_ref_list(b0_reflist, v4l2_b0_reflist, reflist_builder.num_valid);
 268         mtk_vdec_h264_get_ref_list(b1_reflist, v4l2_b1_reflist, reflist_builder.num_valid);
 269
 270         memcpy(&inst->vsi_ctx.h264_slice_params, slice_param,
 271                sizeof(inst->vsi_ctx.h264_slice_params));
 272
 273         return 0;
 274 }
 275
 276 static void vdec_h264_slice_fill_decode_reflist(struct vdec_h264_slice_inst *inst,
 277                                                 struct vdec_h264_slice_lat_dec_param *slice_param,
 278                                                 struct vdec_h264_slice_share_info *share_info)
 279 {
 280         struct v4l2_ctrl_h264_decode_params *dec_params = &share_info->dec_params;
 281         struct v4l2_ctrl_h264_sps *sps = &share_info->sps;
 282         struct v4l2_h264_reflist_builder reflist_builder;
 283         struct v4l2_h264_reference v4l2_p0_reflist[V4L2_H264_REF_LIST_LEN];
 284         struct v4l2_h264_reference v4l2_b0_reflist[V4L2_H264_REF_LIST_LEN];
 285         struct v4l2_h264_reference v4l2_b1_reflist[V4L2_H264_REF_LIST_LEN];
 286         u8 *p0_reflist = slice_param->decode_params.ref_pic_list_p0;
 287         u8 *b0_reflist = slice_param->decode_params.ref_pic_list_b0;
 288         u8 *b1_reflist = slice_param->decode_params.ref_pic_list_b1;
 289
 290         mtk_vdec_h264_update_dpb(dec_params, inst->dpb);
 291
 292         mtk_vdec_h264_copy_decode_params(&slice_param->decode_params, dec_params,
 293                                          inst->dpb);
 294         mtk_vdec_h264_fill_dpb_info(inst->ctx, &slice_param->decode_params,
 295                                     slice_param->h264_dpb_info);
 296
 297         mtk_v4l2_debug(3, "cur poc = %d\n", dec_params->bottom_field_order_cnt);
 298         /* Build the reference lists */
 299         v4l2_h264_init_reflist_builder(&reflist_builder, dec_params, sps,
 300                                        inst->dpb);
 301         v4l2_h264_build_p_ref_list(&reflist_builder, v4l2_p0_reflist);
 302         v4l2_h264_build_b_ref_lists(&reflist_builder, v4l2_b0_reflist, v4l2_b1_reflist);
 303
 304         /* Adapt the built lists to the firmware's expectations */
 305         mtk_vdec_h264_get_ref_list(p0_reflist, v4l2_p0_reflist, reflist_builder.num_valid);
 306         mtk_vdec_h264_get_ref_list(b0_reflist, v4l2_b0_reflist, reflist_builder.num_valid);
 307         mtk_vdec_h264_get_ref_list(b1_reflist, v4l2_b1_reflist, reflist_builder.num_valid);
 308 }
 309
 310 static int vdec_h264_slice_alloc_mv_buf(struct vdec_h264_slice_inst *inst,
 311                                         struct vdec_pic_info *pic)
 312 {
 313         unsigned int buf_sz = mtk_vdec_h264_get_mv_buf_size(pic->buf_w, pic->buf_h);
 314         struct mtk_vcodec_mem *mem;
 315         int i, err;
 316
 317         mtk_v4l2_debug(3, "size = 0x%x", buf_sz);
 318         for (i = 0; i < H264_MAX_MV_NUM; i++) {
 319                 mem = &inst->mv_buf[i];
 320                 if (mem->va)
 321                         mtk_vcodec_mem_free(inst->ctx, mem);
 322                 mem->size = buf_sz;
 323                 err = mtk_vcodec_mem_alloc(inst->ctx, mem);
 324                 if (err) {
 325                         mtk_vcodec_err(inst, "failed to allocate mv buf");
 326                         return err;
 327                 }
 328         }
 329
 330         return 0;
 331 }
 332
 333 static void vdec_h264_slice_free_mv_buf(struct vdec_h264_slice_inst *inst)
 334 {
 335         int i;
 336         struct mtk_vcodec_mem *mem;
 337
 338         for (i = 0; i < H264_MAX_MV_NUM; i++) {
 339                 mem = &inst->mv_buf[i];
 340                 if (mem->va)
 341                         mtk_vcodec_mem_free(inst->ctx, mem);
 342         }
 343 }
 344
 345 static void vdec_h264_slice_get_pic_info(struct vdec_h264_slice_inst *inst)
 346 {
 347         struct mtk_vcodec_ctx *ctx = inst->ctx;
 348         u32 data[3];
 349
 350         data[0] = ctx->picinfo.pic_w;
 351         data[1] = ctx->picinfo.pic_h;
 352         data[2] = ctx->capture_fourcc;
 353         vpu_dec_get_param(&inst->vpu, data, 3, GET_PARAM_PIC_INFO);
 354
 355         ctx->picinfo.buf_w = ALIGN(ctx->picinfo.pic_w, VCODEC_DEC_ALIGNED_64);
 356         ctx->picinfo.buf_h = ALIGN(ctx->picinfo.pic_h, VCODEC_DEC_ALIGNED_64);
 357         ctx->picinfo.fb_sz[0] = inst->vpu.fb_sz[0];
 358         ctx->picinfo.fb_sz[1] = inst->vpu.fb_sz[1];
 359         inst->cap_num_planes =
 360                 ctx->q_data[MTK_Q_DATA_DST].fmt->num_planes;
 361
 362         mtk_vcodec_debug(inst, "pic(%d, %d), buf(%d, %d)",
 363                          ctx->picinfo.pic_w, ctx->picinfo.pic_h,
 364                          ctx->picinfo.buf_w, ctx->picinfo.buf_h);
 365         mtk_vcodec_debug(inst, "Y/C(%d, %d)", ctx->picinfo.fb_sz[0],
 366                          ctx->picinfo.fb_sz[1]);
 367
 368         if (ctx->last_decoded_picinfo.pic_w != ctx->picinfo.pic_w ||
 369             ctx->last_decoded_picinfo.pic_h != ctx->picinfo.pic_h) {
 370                 inst->resolution_changed = true;
 371                 if (ctx->last_decoded_picinfo.buf_w != ctx->picinfo.buf_w ||
 372                     ctx->last_decoded_picinfo.buf_h != ctx->picinfo.buf_h)
 373                         inst->realloc_mv_buf = true;
 374
 375                 mtk_v4l2_debug(1, "resChg: (%d %d) : old(%d, %d) -> new(%d, %d)",
 376                                inst->resolution_changed,
 377                                inst->realloc_mv_buf,
 378                                ctx->last_decoded_picinfo.pic_w,
 379                                ctx->last_decoded_picinfo.pic_h,
 380                                ctx->picinfo.pic_w, ctx->picinfo.pic_h);
 381         }
 382 }
 383
 384 static void vdec_h264_slice_get_crop_info(struct vdec_h264_slice_inst *inst,
 385                                           struct v4l2_rect *cr)
 386 {
 387         cr->left = 0;
 388         cr->top = 0;
 389         cr->width = inst->ctx->picinfo.pic_w;
 390         cr->height = inst->ctx->picinfo.pic_h;
 391
 392         mtk_vcodec_debug(inst, "l=%d, t=%d, w=%d, h=%d",
 393                          cr->left, cr->top, cr->width, cr->height);
 394 }
 395
 396 static int vdec_h264_slice_init(struct mtk_vcodec_ctx *ctx)
 397 {
 398         struct vdec_h264_slice_inst *inst;
 399         int err, vsi_size;
 400
 401         inst = kzalloc(sizeof(*inst), GFP_KERNEL);
 402         if (!inst)
 403                 return -ENOMEM;
 404
 405         inst->ctx = ctx;
 406
 407         inst->vpu.id = SCP_IPI_VDEC_LAT;
 408         inst->vpu.core_id = SCP_IPI_VDEC_CORE;
 409         inst->vpu.ctx = ctx;
 410         inst->vpu.codec_type = ctx->current_codec;
 411         inst->vpu.capture_type = ctx->capture_fourcc;
 412
 413         err = vpu_dec_init(&inst->vpu);
 414         if (err) {
 415                 mtk_vcodec_err(inst, "vdec_h264 init err=%d", err);
 416                 goto error_free_inst;
 417         }
 418
 419         vsi_size = round_up(sizeof(struct vdec_h264_slice_vsi), VCODEC_DEC_ALIGNED_64);
 420         inst->vsi = inst->vpu.vsi;
 421         inst->vsi_core =
 422                 (struct vdec_h264_slice_vsi *)(((char *)inst->vpu.vsi) + vsi_size);
 423         inst->resolution_changed = true;
 424         inst->realloc_mv_buf = true;
 425
 426         mtk_vcodec_debug(inst, "lat struct size = %d,%d,%d,%d vsi: %d\n",
 427                          (int)sizeof(struct mtk_h264_sps_param),
 428                          (int)sizeof(struct mtk_h264_pps_param),
 429                          (int)sizeof(struct vdec_h264_slice_lat_dec_param),
 430                          (int)sizeof(struct mtk_h264_dpb_info),
 431                          vsi_size);
 432         mtk_vcodec_debug(inst, "lat H264 instance >> %p, codec_type = 0x%x",
 433                          inst, inst->vpu.codec_type);
 434
 435         ctx->drv_handle = inst;
 436         return 0;
 437
 438 error_free_inst:
 439         kfree(inst);
 440         return err;
 441 }
 442
 443 static void vdec_h264_slice_deinit(void *h_vdec)
 444 {
 445         struct vdec_h264_slice_inst *inst = h_vdec;
 446
 447         mtk_vcodec_debug_enter(inst);
 448
 449         vpu_dec_deinit(&inst->vpu);
 450         vdec_h264_slice_free_mv_buf(inst);
 451         vdec_msg_queue_deinit(&inst->ctx->msg_queue, inst->ctx);
 452
 453         kfree(inst);
 454 }
 455
 456 static int vdec_h264_slice_core_decode(struct vdec_lat_buf *lat_buf)
 457 {
 458         struct vdec_fb *fb;
 459         u64 vdec_fb_va;
 460         u64 y_fb_dma, c_fb_dma;
 461         int err, timeout, i;
 462         struct mtk_vcodec_ctx *ctx = lat_buf->ctx;
 463         struct vdec_h264_slice_inst *inst = ctx->drv_handle;
 464         struct vb2_v4l2_buffer *vb2_v4l2;
 465         struct vdec_h264_slice_share_info *share_info = lat_buf->private_data;
 466         struct mtk_vcodec_mem *mem;
 467         struct vdec_vpu_inst *vpu = &inst->vpu;
 468
 469         mtk_vcodec_debug(inst, "[h264-core] vdec_h264 core decode");
 470         memcpy(&inst->vsi_core->h264_slice_params, &share_info->h264_slice_params,
 471                sizeof(share_info->h264_slice_params));
 472
 473         fb = ctx->dev->vdec_pdata->get_cap_buffer(ctx);
 474         y_fb_dma = fb ? (u64)fb->base_y.dma_addr : 0;
 475         vdec_fb_va = (unsigned long)fb;
 476
 477         if (ctx->q_data[MTK_Q_DATA_DST].fmt->num_planes == 1)
 478                 c_fb_dma =
 479                         y_fb_dma + inst->ctx->picinfo.buf_w * inst->ctx->picinfo.buf_h;
 480         else
 481                 c_fb_dma = fb ? (u64)fb->base_c.dma_addr : 0;
 482
 483         mtk_vcodec_debug(inst, "[h264-core] y/c addr = 0x%llx 0x%llx", y_fb_dma,
 484                          c_fb_dma);
 485
 486         inst->vsi_core->dec.y_fb_dma = y_fb_dma;
 487         inst->vsi_core->dec.c_fb_dma = c_fb_dma;
 488         inst->vsi_core->dec.vdec_fb_va = vdec_fb_va;
 489         inst->vsi_core->dec.nal_info = share_info->nal_info;
 490         inst->vsi_core->wdma_start_addr =
 491                 lat_buf->ctx->msg_queue.wdma_addr.dma_addr;
 492         inst->vsi_core->wdma_end_addr =
 493                 lat_buf->ctx->msg_queue.wdma_addr.dma_addr +
 494                 lat_buf->ctx->msg_queue.wdma_addr.size;
 495         inst->vsi_core->wdma_err_addr = lat_buf->wdma_err_addr.dma_addr;
 496         inst->vsi_core->slice_bc_start_addr = lat_buf->slice_bc_addr.dma_addr;
 497         inst->vsi_core->slice_bc_end_addr = lat_buf->slice_bc_addr.dma_addr +
 498                 lat_buf->slice_bc_addr.size;
 499         inst->vsi_core->trans_start = share_info->trans_start;
 500         inst->vsi_core->trans_end = share_info->trans_end;
 501         for (i = 0; i < H264_MAX_MV_NUM; i++) {
 502                 mem = &inst->mv_buf[i];
 503                 inst->vsi_core->mv_buf_dma[i] = mem->dma_addr;
 504         }
 505
 506         vb2_v4l2 = v4l2_m2m_next_dst_buf(ctx->m2m_ctx);
 507         v4l2_m2m_buf_copy_metadata(&lat_buf->ts_info, vb2_v4l2, true);
 508
 509         vdec_h264_slice_fill_decode_reflist(inst, &inst->vsi_core->h264_slice_params,
 510                                             share_info);
 511
 512         err = vpu_dec_core(vpu);
 513         if (err) {
 514                 mtk_vcodec_err(inst, "core decode err=%d", err);
 515                 goto vdec_dec_end;
 516         }
 517
 518         /* wait decoder done interrupt */
 519         timeout = mtk_vcodec_wait_for_done_ctx(inst->ctx, MTK_INST_IRQ_RECEIVED,
 520                                                WAIT_INTR_TIMEOUT_MS, MTK_VDEC_CORE);
 521         if (timeout)
 522                 mtk_vcodec_err(inst, "core decode timeout: pic_%d",
 523                                ctx->decoded_frame_cnt);
 524         inst->vsi_core->dec.timeout = !!timeout;
 525
 526         vpu_dec_core_end(vpu);
 527         mtk_vcodec_debug(inst, "pic[%d] crc: 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x",
 528                          ctx->decoded_frame_cnt,
 529                          inst->vsi_core->dec.crc[0], inst->vsi_core->dec.crc[1],
 530                          inst->vsi_core->dec.crc[2], inst->vsi_core->dec.crc[3],
 531                          inst->vsi_core->dec.crc[4], inst->vsi_core->dec.crc[5],
 532                          inst->vsi_core->dec.crc[6], inst->vsi_core->dec.crc[7]);
 533
 534 vdec_dec_end:
 535         vdec_msg_queue_update_ube_rptr(&lat_buf->ctx->msg_queue, share_info->trans_end);
 536         ctx->dev->vdec_pdata->cap_to_disp(ctx, !!err, lat_buf->src_buf_req);
 537         mtk_vcodec_debug(inst, "core decode done err=%d", err);
 538         ctx->decoded_frame_cnt++;
 539         return 0;
 540 }
 541
 542 static int vdec_h264_slice_lat_decode(void *h_vdec, struct mtk_vcodec_mem *bs,
 543                                       struct vdec_fb *fb, bool *res_chg)
 544 {
 545         struct vdec_h264_slice_inst *inst = h_vdec;
 546         struct vdec_vpu_inst *vpu = &inst->vpu;
 547         struct mtk_video_dec_buf *src_buf_info;
 548         int nal_start_idx, err, timeout = 0, i;
 549         unsigned int data[2];
 550         struct vdec_lat_buf *lat_buf;
 551         struct vdec_h264_slice_share_info *share_info;
 552         unsigned char *buf;
 553         struct mtk_vcodec_mem *mem;
 554
 555         if (vdec_msg_queue_init(&inst->ctx->msg_queue, inst->ctx,
 556                                 vdec_h264_slice_core_decode,
 557                                 sizeof(*share_info)))
 558                 return -ENOMEM;
 559
 560         /* bs NULL means flush decoder */
 561         if (!bs) {
 562                 vdec_msg_queue_wait_lat_buf_full(&inst->ctx->msg_queue);
 563                 return vpu_dec_reset(vpu);
 564         }
 565
 566         if (inst->is_field_bitstream)
 567                 return -EINVAL;
 568
 569         lat_buf = vdec_msg_queue_dqbuf(&inst->ctx->msg_queue.lat_ctx);
 570         if (!lat_buf) {
 571                 mtk_vcodec_err(inst, "failed to get lat buffer");
 572                 return -EINVAL;
 573         }
 574         share_info = lat_buf->private_data;
 575         src_buf_info = container_of(bs, struct mtk_video_dec_buf, bs_buffer);
 576
 577         buf = (unsigned char *)bs->va;
 578         nal_start_idx = mtk_vdec_h264_find_start_code(buf, bs->size);
 579         if (nal_start_idx < 0) {
 580                 err = -EINVAL;
 581                 goto err_free_fb_out;
 582         }
 583
 584         inst->vsi->dec.nal_info = buf[nal_start_idx];
 585         inst->vsi->dec.bs_buf_addr = (u64)bs->dma_addr;
 586         inst->vsi->dec.bs_buf_size = bs->size;
 587
 588         lat_buf->src_buf_req = src_buf_info->m2m_buf.vb.vb2_buf.req_obj.req;
 589         v4l2_m2m_buf_copy_metadata(&src_buf_info->m2m_buf.vb, &lat_buf->ts_info, true);
 590
 591         err = vdec_h264_slice_fill_decode_parameters(inst, share_info);
 592         if (err)
 593                 goto err_free_fb_out;
 594
 595         *res_chg = inst->resolution_changed;
 596         if (inst->resolution_changed) {
 597                 mtk_vcodec_debug(inst, "- resolution changed -");
 598                 if (inst->realloc_mv_buf) {
 599                         err = vdec_h264_slice_alloc_mv_buf(inst, &inst->ctx->picinfo);
 600                         inst->realloc_mv_buf = false;
 601                         if (err)
 602                                 goto err_free_fb_out;
 603                 }
 604                 inst->resolution_changed = false;
 605         }
 606         for (i = 0; i < H264_MAX_MV_NUM; i++) {
 607                 mem = &inst->mv_buf[i];
 608                 inst->vsi->mv_buf_dma[i] = mem->dma_addr;
 609         }
 610         inst->vsi->wdma_start_addr = lat_buf->ctx->msg_queue.wdma_addr.dma_addr;
 611         inst->vsi->wdma_end_addr = lat_buf->ctx->msg_queue.wdma_addr.dma_addr +
 612                 lat_buf->ctx->msg_queue.wdma_addr.size;
 613         inst->vsi->wdma_err_addr = lat_buf->wdma_err_addr.dma_addr;
 614         inst->vsi->slice_bc_start_addr = lat_buf->slice_bc_addr.dma_addr;
 615         inst->vsi->slice_bc_end_addr = lat_buf->slice_bc_addr.dma_addr +
 616                 lat_buf->slice_bc_addr.size;
 617
 618         inst->vsi->trans_end = inst->ctx->msg_queue.wdma_rptr_addr;
 619         inst->vsi->trans_start = inst->ctx->msg_queue.wdma_wptr_addr;
 620         mtk_vcodec_debug(inst, "lat:trans(0x%llx 0x%llx) err:0x%llx",
 621                          inst->vsi->wdma_start_addr,
 622                          inst->vsi->wdma_end_addr,
 623                          inst->vsi->wdma_err_addr);
 624
 625         mtk_vcodec_debug(inst, "slice(0x%llx 0x%llx) rprt((0x%llx 0x%llx))",
 626                          inst->vsi->slice_bc_start_addr,
 627                          inst->vsi->slice_bc_end_addr,
 628                          inst->vsi->trans_start,
 629                          inst->vsi->trans_end);
 630         err = vpu_dec_start(vpu, data, 2);
 631         if (err) {
 632                 mtk_vcodec_debug(inst, "lat decode err: %d", err);
 633                 goto err_scp_decode;
 634         }
 635
 636         share_info->trans_end = inst->ctx->msg_queue.wdma_addr.dma_addr +
 637                 inst->vsi->wdma_end_addr_offset;
 638         share_info->trans_start = inst->ctx->msg_queue.wdma_wptr_addr;
 639         share_info->nal_info = inst->vsi->dec.nal_info;
 640
 641         if (IS_VDEC_INNER_RACING(inst->ctx->dev->dec_capability)) {
 642                 memcpy(&share_info->h264_slice_params, &inst->vsi->h264_slice_params,
 643                        sizeof(share_info->h264_slice_params));
 644                 vdec_msg_queue_qbuf(&inst->ctx->dev->msg_queue_core_ctx, lat_buf);
 645         }
 646
 647         /* wait decoder done interrupt */
 648         timeout = mtk_vcodec_wait_for_done_ctx(inst->ctx, MTK_INST_IRQ_RECEIVED,
 649                                                WAIT_INTR_TIMEOUT_MS, MTK_VDEC_LAT0);
 650         inst->vsi->dec.timeout = !!timeout;
 651
 652         err = vpu_dec_end(vpu);
 653         if (err == SLICE_HEADER_FULL || timeout || err == TRANS_BUFFER_FULL) {
 654                 err = -EINVAL;
 655                 goto err_scp_decode;
 656         }
 657
 658         share_info->trans_end = inst->ctx->msg_queue.wdma_addr.dma_addr +
 659                 inst->vsi->wdma_end_addr_offset;
 660         vdec_msg_queue_update_ube_wptr(&lat_buf->ctx->msg_queue, share_info->trans_end);
 661
 662         if (!IS_VDEC_INNER_RACING(inst->ctx->dev->dec_capability)) {
 663                 memcpy(&share_info->h264_slice_params, &inst->vsi->h264_slice_params,
 664                        sizeof(share_info->h264_slice_params));
 665                 vdec_msg_queue_qbuf(&inst->ctx->dev->msg_queue_core_ctx, lat_buf);
 666         }
 667         mtk_vcodec_debug(inst, "dec num: %d lat crc: 0x%x 0x%x 0x%x", inst->slice_dec_num,
 668                          inst->vsi->dec.crc[0], inst->vsi->dec.crc[1], inst->vsi->dec.crc[2]);
 669
 670         inst->slice_dec_num++;
 671         return 0;
 672
 673 err_scp_decode:
 674         if (!IS_VDEC_INNER_RACING(inst->ctx->dev->dec_capability))
 675                 vdec_msg_queue_qbuf(&inst->ctx->msg_queue.lat_ctx, lat_buf);
 676 err_free_fb_out:
 677         vdec_msg_queue_qbuf(&inst->ctx->msg_queue.lat_ctx, lat_buf);
 678         mtk_vcodec_err(inst, "slice dec number: %d err: %d", inst->slice_dec_num, err);
 679         return err;
 680 }
 681
 682 static int vdec_h264_slice_single_decode(void *h_vdec, struct mtk_vcodec_mem *bs,
 683                                          struct vdec_fb *unused, bool *res_chg)
 684 {
 685         struct vdec_h264_slice_inst *inst = h_vdec;
 686         struct vdec_vpu_inst *vpu = &inst->vpu;
 687         struct mtk_video_dec_buf *src_buf_info, *dst_buf_info;
 688         struct vdec_fb *fb;
 689         unsigned char *buf;
 690         unsigned int data[2], i;
 691         u64 y_fb_dma, c_fb_dma;
 692         struct mtk_vcodec_mem *mem;
 693         int err, nal_start_idx;
 694
 695         /* bs NULL means flush decoder */
 696         if (!bs)
 697                 return vpu_dec_reset(vpu);
 698
 699         fb = inst->ctx->dev->vdec_pdata->get_cap_buffer(inst->ctx);
 700         src_buf_info = container_of(bs, struct mtk_video_dec_buf, bs_buffer);
 701         dst_buf_info = container_of(fb, struct mtk_video_dec_buf, frame_buffer);
 702
 703         y_fb_dma = fb ? (u64)fb->base_y.dma_addr : 0;
 704         c_fb_dma = fb ? (u64)fb->base_c.dma_addr : 0;
 705         mtk_vcodec_debug(inst, "[h264-dec] [%d] y_dma=%llx c_dma=%llx",
 706                          inst->ctx->decoded_frame_cnt, y_fb_dma, c_fb_dma);
 707
 708         inst->vsi_ctx.dec.bs_buf_addr = (u64)bs->dma_addr;
 709         inst->vsi_ctx.dec.bs_buf_size = bs->size;
 710         inst->vsi_ctx.dec.y_fb_dma = y_fb_dma;
 711         inst->vsi_ctx.dec.c_fb_dma = c_fb_dma;
 712         inst->vsi_ctx.dec.vdec_fb_va = (u64)(uintptr_t)fb;
 713
 714         v4l2_m2m_buf_copy_metadata(&src_buf_info->m2m_buf.vb,
 715                                    &dst_buf_info->m2m_buf.vb, true);
 716         err = get_vdec_sig_decode_parameters(inst);
 717         if (err)
 718                 goto err_free_fb_out;
 719
 720         buf = (unsigned char *)bs->va;
 721         nal_start_idx = mtk_vdec_h264_find_start_code(buf, bs->size);
 722         if (nal_start_idx < 0) {
 723                 err = -EINVAL;
 724                 goto err_free_fb_out;
 725         }
 726         inst->vsi_ctx.dec.nal_info = buf[nal_start_idx];
 727
 728         *res_chg = inst->resolution_changed;
 729         if (inst->resolution_changed) {
 730                 mtk_vcodec_debug(inst, "- resolution changed -");
 731                 if (inst->realloc_mv_buf) {
 732                         err = vdec_h264_slice_alloc_mv_buf(inst, &inst->ctx->picinfo);
 733                         inst->realloc_mv_buf = false;
 734                         if (err)
 735                                 goto err_free_fb_out;
 736                 }
 737                 inst->resolution_changed = false;
 738
 739                 for (i = 0; i < H264_MAX_MV_NUM; i++) {
 740                         mem = &inst->mv_buf[i];
 741                         inst->vsi_ctx.mv_buf_dma[i] = mem->dma_addr;
 742                 }
 743         }
 744
 745         memcpy(inst->vpu.vsi, &inst->vsi_ctx, sizeof(inst->vsi_ctx));
 746         err = vpu_dec_start(vpu, data, 2);
 747         if (err)
 748                 goto err_free_fb_out;
 749
 750         /* wait decoder done interrupt */
 751         err = mtk_vcodec_wait_for_done_ctx(inst->ctx, MTK_INST_IRQ_RECEIVED,
 752                                            WAIT_INTR_TIMEOUT_MS, MTK_VDEC_CORE);
 753         if (err)
 754                 mtk_vcodec_err(inst, "decode timeout: pic_%d",
 755                                inst->ctx->decoded_frame_cnt);
 756
 757         inst->vsi->dec.timeout = !!err;
 758         err = vpu_dec_end(vpu);
 759         if (err)
 760                 goto err_free_fb_out;
 761
 762         memcpy(&inst->vsi_ctx, inst->vpu.vsi, sizeof(inst->vsi_ctx));
 763         mtk_vcodec_debug(inst, "pic[%d] crc: 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x",
 764                          inst->ctx->decoded_frame_cnt,
 765                          inst->vsi_ctx.dec.crc[0], inst->vsi_ctx.dec.crc[1],
 766                          inst->vsi_ctx.dec.crc[2], inst->vsi_ctx.dec.crc[3],
 767                          inst->vsi_ctx.dec.crc[4], inst->vsi_ctx.dec.crc[5],
 768                          inst->vsi_ctx.dec.crc[6], inst->vsi_ctx.dec.crc[7]);
 769
 770         inst->ctx->decoded_frame_cnt++;
 771         return 0;
 772
 773 err_free_fb_out:
 774         mtk_vcodec_err(inst, "dec frame number: %d err: %d",
 775                        inst->ctx->decoded_frame_cnt, err);
 776         return err;
 777 }
 778
 779 static int vdec_h264_slice_decode(void *h_vdec, struct mtk_vcodec_mem *bs,
 780                                   struct vdec_fb *unused, bool *res_chg)
 781 {
 782         struct vdec_h264_slice_inst *inst = h_vdec;
 783         int ret;
 784
 785         if (!h_vdec)
 786                 return -EINVAL;
 787
 788         if (inst->ctx->dev->vdec_pdata->hw_arch == MTK_VDEC_PURE_SINGLE_CORE)
 789                 ret = vdec_h264_slice_single_decode(h_vdec, bs, unused, res_chg);
 790         else
 791                 ret = vdec_h264_slice_lat_decode(h_vdec, bs, unused, res_chg);
 792
 793         return ret;
 794 }
 795
 796 static int vdec_h264_slice_get_param(void *h_vdec, enum vdec_get_param_type type,
 797                                      void *out)
 798 {
 799         struct vdec_h264_slice_inst *inst = h_vdec;
 800
 801         switch (type) {
 802         case GET_PARAM_PIC_INFO:
 803                 vdec_h264_slice_get_pic_info(inst);
 804                 break;
 805         case GET_PARAM_DPB_SIZE:
 806                 *(unsigned int *)out = 6;
 807                 break;
 808         case GET_PARAM_CROP_INFO:
 809                 vdec_h264_slice_get_crop_info(inst, out);
 810                 break;
 811         default:
 812                 mtk_vcodec_err(inst, "invalid get parameter type=%d", type);
 813                 return -EINVAL;
 814         }
 815         return 0;
 816 }
 817
 818 const struct vdec_common_if vdec_h264_slice_multi_if = {
 819         .init           = vdec_h264_slice_init,
 820         .decode         = vdec_h264_slice_decode,
 821         .get_param      = vdec_h264_slice_get_param,
 822         .deinit         = vdec_h264_slice_deinit,
 823 };