drivers/media/platform/amphion/vpu_windsor.c

   1 // SPDX-License-Identifier: GPL-2.0
   2 /*
   3  * Copyright 2020-2021 NXP
   4  */
   5
   6 #include <linux/init.h>
   7 #include <linux/interconnect.h>
   8 #include <linux/ioctl.h>
   9 #include <linux/list.h>
  10 #include <linux/kernel.h>
  11 #include <linux/module.h>
  12 #include <linux/of_device.h>
  13 #include <linux/of_address.h>
  14 #include <linux/platform_device.h>
  15 #include <linux/time64.h>
  16 #include <media/videobuf2-v4l2.h>
  17 #include <media/videobuf2-dma-contig.h>
  18 #include "vpu.h"
  19 #include "vpu_rpc.h"
  20 #include "vpu_defs.h"
  21 #include "vpu_helpers.h"
  22 #include "vpu_cmds.h"
  23 #include "vpu_v4l2.h"
  24 #include "vpu_imx8q.h"
  25 #include "vpu_windsor.h"
  26
  27 #define CMD_SIZE                                2560
  28 #define MSG_SIZE                                25600
  29 #define WINDSOR_USER_DATA_WORDS                 16
  30 #define WINDSOR_MAX_SRC_FRAMES                  0x6
  31 #define WINDSOR_MAX_REF_FRAMES                  0x3
  32 #define WINDSOR_BITRATE_UNIT                    1024
  33 #define WINDSOR_H264_EXTENDED_SAR               255
  34
  35 enum {
  36         GTB_ENC_CMD_NOOP        = 0x0,
  37         GTB_ENC_CMD_STREAM_START,
  38         GTB_ENC_CMD_FRAME_ENCODE,
  39         GTB_ENC_CMD_FRAME_SKIP,
  40         GTB_ENC_CMD_STREAM_STOP,
  41         GTB_ENC_CMD_PARAMETER_UPD,
  42         GTB_ENC_CMD_TERMINATE,
  43         GTB_ENC_CMD_SNAPSHOT,
  44         GTB_ENC_CMD_ROLL_SNAPSHOT,
  45         GTB_ENC_CMD_LOCK_SCHEDULER,
  46         GTB_ENC_CMD_UNLOCK_SCHEDULER,
  47         GTB_ENC_CMD_CONFIGURE_CODEC,
  48         GTB_ENC_CMD_DEAD_MARK,
  49         GTB_ENC_CMD_FIRM_RESET,
  50         GTB_ENC_CMD_FW_STATUS,
  51         GTB_ENC_CMD_RESERVED
  52 };
  53
  54 enum {
  55         VID_API_EVENT_UNDEFINED = 0x0,
  56         VID_API_ENC_EVENT_RESET_DONE = 0x1,
  57         VID_API_ENC_EVENT_START_DONE,
  58         VID_API_ENC_EVENT_STOP_DONE,
  59         VID_API_ENC_EVENT_TERMINATE_DONE,
  60         VID_API_ENC_EVENT_FRAME_INPUT_DONE,
  61         VID_API_ENC_EVENT_FRAME_DONE,
  62         VID_API_ENC_EVENT_FRAME_RELEASE,
  63         VID_API_ENC_EVENT_PARA_UPD_DONE,
  64         VID_API_ENC_EVENT_MEM_REQUEST,
  65         VID_API_ENC_EVENT_FIRMWARE_XCPT,
  66         VID_API_ENC_EVENT_RESERVED
  67 };
  68
  69 enum {
  70         MEDIAIP_ENC_PIC_TYPE_B_FRAME = 0,
  71         MEDIAIP_ENC_PIC_TYPE_P_FRAME,
  72         MEDIAIP_ENC_PIC_TYPE_I_FRAME,
  73         MEDIAIP_ENC_PIC_TYPE_IDR_FRAME,
  74         MEDIAIP_ENC_PIC_TYPE_BI_FRAME
  75 };
  76
  77 struct windsor_iface {
  78         u32 exec_base_addr;
  79         u32 exec_area_size;
  80         struct vpu_rpc_buffer_desc cmd_buffer_desc;
  81         struct vpu_rpc_buffer_desc msg_buffer_desc;
  82         u32 cmd_int_enable[VID_API_NUM_STREAMS];
  83         u32 fw_version;
  84         u32 mvd_fw_offset;
  85         u32 max_streams;
  86         u32 ctrl_iface[VID_API_NUM_STREAMS];
  87         struct vpu_rpc_system_config system_config;
  88         u32 api_version;
  89         struct vpu_rpc_buffer_desc log_buffer_desc;
  90 };
  91
  92 struct windsor_ctrl_iface {
  93         u32 enc_yuv_buffer_desc;
  94         u32 enc_stream_buffer_desc;
  95         u32 enc_expert_mode_param;
  96         u32 enc_param;
  97         u32 enc_mem_pool;
  98         u32 enc_encoding_status;
  99         u32 enc_dsa_status;
 100 };
 101
 102 struct vpu_enc_yuv_desc {
 103         u32 frame_id;
 104         u32 luma_base;
 105         u32 chroma_base;
 106         u32 param_idx;
 107         u32 key_frame;
 108 };
 109
 110 struct vpu_enc_calib_params {
 111         u32 use_ame;
 112
 113         u32 cme_mvx_max;
 114         u32 cme_mvy_max;
 115         u32 ame_prefresh_y0;
 116         u32 ame_prefresh_y1;
 117         u32 fme_min_sad;
 118         u32 cme_min_sad;
 119
 120         u32 fme_pred_int_weight;
 121         u32 fme_pred_hp_weight;
 122         u32 fme_pred_qp_weight;
 123         u32 fme_cost_weight;
 124         u32 fme_act_thold;
 125         u32 fme_sad_thold;
 126         u32 fme_zero_sad_thold;
 127
 128         u32 fme_lrg_mvx_lmt;
 129         u32 fme_lrg_mvy_lmt;
 130         u32 fme_force_mode;
 131         u32 fme_force4mvcost;
 132         u32 fme_force2mvcost;
 133
 134         u32 h264_inter_thrd;
 135
 136         u32 i16x16_mode_cost;
 137         u32 i4x4_mode_lambda;
 138         u32 i8x8_mode_lambda;
 139
 140         u32 inter_mod_mult;
 141         u32 inter_sel_mult;
 142         u32 inter_bid_cost;
 143         u32 inter_bwd_cost;
 144         u32 inter_4mv_cost;
 145         s32 one_mv_i16_cost;
 146         s32 one_mv_i4x4_cost;
 147         s32 one_mv_i8x8_cost;
 148         s32 two_mv_i16_cost;
 149         s32 two_mv_i4x4_cost;
 150         s32 two_mv_i8x8_cost;
 151         s32 four_mv_i16_cost;
 152         s32 four_mv_i4x4_cost;
 153         s32 four_mv_i8x8_cost;
 154
 155         u32 intra_pred_enab;
 156         u32 intra_chr_pred;
 157         u32 intra16_pred;
 158         u32 intra4x4_pred;
 159         u32 intra8x8_pred;
 160
 161         u32 cb_base;
 162         u32 cb_size;
 163         u32 cb_head_room;
 164
 165         u32 mem_page_width;
 166         u32 mem_page_height;
 167         u32 mem_total_size;
 168         u32 mem_chunk_phys_addr;
 169         u32 mem_chunk_virt_addr;
 170         u32 mem_chunk_size;
 171         u32 mem_y_stride;
 172         u32 mem_uv_stride;
 173
 174         u32 split_wr_enab;
 175         u32 split_wr_req_size;
 176         u32 split_rd_enab;
 177         u32 split_rd_req_size;
 178 };
 179
 180 struct vpu_enc_config_params {
 181         u32 param_change;
 182         u32 start_frame;
 183         u32 end_frame;
 184         u32 userdata_enable;
 185         u32 userdata_id[4];
 186         u32 userdata_message[WINDSOR_USER_DATA_WORDS];
 187         u32 userdata_length;
 188         u32 h264_profile_idc;
 189         u32 h264_level_idc;
 190         u32 h264_au_delimiter;
 191         u32 h264_seq_end_code;
 192         u32 h264_recovery_points;
 193         u32 h264_vui_parameters;
 194         u32 h264_aspect_ratio_present;
 195         u32 h264_aspect_ratio_sar_width;
 196         u32 h264_aspect_ratio_sar_height;
 197         u32 h264_overscan_present;
 198         u32 h264_video_type_present;
 199         u32 h264_video_format;
 200         u32 h264_video_full_range;
 201         u32 h264_video_colour_descriptor;
 202         u32 h264_video_colour_primaries;
 203         u32 h264_video_transfer_char;
 204         u32 h264_video_matrix_coeff;
 205         u32 h264_chroma_loc_info_present;
 206         u32 h264_chroma_loc_type_top;
 207         u32 h264_chroma_loc_type_bot;
 208         u32 h264_timing_info_present;
 209         u32 h264_buffering_period_present;
 210         u32 h264_low_delay_hrd_flag;
 211         u32 aspect_ratio;
 212         u32 test_mode;                  // Automated firmware test mode
 213         u32 dsa_test_mode;              // Automated test mode for the DSA.
 214         u32 fme_test_mode;              // Automated test mode for the fme
 215         u32 cbr_row_mode;               //0: FW mode; 1: HW mode
 216         u32 windsor_mode;               //0: normal mode; 1: intra only mode; 2: intra+0MV mode
 217         u32 encode_mode;                // H264, VC1, MPEG2, DIVX
 218         u32 frame_width;                // display width
 219         u32 frame_height;               // display height
 220         u32 enc_frame_width;            // encoding width, should be 16-pix align
 221         u32 enc_frame_height;           // encoding height, should be 16-pix aligned
 222         u32 frame_rate_num;
 223         u32 frame_rate_den;
 224         u32 vi_field_source;
 225         u32 vi_frame_width;
 226         u32 vi_frame_height;
 227         u32 crop_frame_width;
 228         u32 crop_frame_height;
 229         u32 crop_x_start_posn;
 230         u32 crop_y_start_posn;
 231         u32 mode422;
 232         u32 mode_yuy2;
 233         u32 dsa_luma_en;
 234         u32 dsa_chroma_en;
 235         u32 dsa_ext_hfilt_en;
 236         u32 dsa_di_en;
 237         u32 dsa_di_top_ref;
 238         u32 dsa_vertf_disable;
 239         u32 dsa_disable_pwb;
 240         u32 dsa_hor_phase;
 241         u32 dsa_ver_phase;
 242         u32 dsa_iac_enable;
 243         u32 iac_sc_threshold;
 244         u32 iac_vm_threshold;
 245         u32 iac_skip_mode;
 246         u32 iac_grp_width;
 247         u32 iac_grp_height;
 248         u32 rate_control_mode;
 249         u32 rate_control_resolution;
 250         u32 buffer_size;
 251         u32 buffer_level_init;
 252         u32 buffer_I_bit_budget;
 253         u32 top_field_first;
 254         u32 intra_lum_qoffset;
 255         u32 intra_chr_qoffset;
 256         u32 inter_lum_qoffset;
 257         u32 inter_chr_qoffset;
 258         u32 use_def_scaling_mtx;
 259         u32 inter_8x8_enab;
 260         u32 inter_4x4_enab;
 261         u32 fme_enable_qpel;
 262         u32 fme_enable_hpel;
 263         u32 fme_nozeromv;
 264         u32 fme_predmv_en;
 265         u32 fme_pred_2mv4mv;
 266         u32 fme_smallsadthresh;
 267         u32 ame_en_lmvc;
 268         u32 ame_x_mult;
 269         u32 cme_enable_4mv;
 270         u32 cme_enable_1mv;
 271         u32 hme_enable_16x8mv;
 272         u32 hme_enable_8x16mv;
 273         u32 cme_mv_weight;
 274         u32 cme_mv_cost;
 275         u32 ame_mult_mv;
 276         u32 ame_shift_mv;
 277         u32 hme_forceto1mv_en;
 278         u32 hme_2mv_cost;
 279         u32 hme_pred_mode;
 280         u32 hme_sc_rnge;
 281         u32 hme_sw_rnge;
 282         u32 output_format;
 283         u32 timestamp_enab;
 284         u32 initial_pts_enab;
 285         u32 initial_pts;
 286 };
 287
 288 struct vpu_enc_static_params {
 289         u32 param_change;
 290         u32 gop_length;
 291         u32 rate_control_bitrate;
 292         u32 rate_control_bitrate_min;
 293         u32 rate_control_bitrate_max;
 294         u32 rate_control_content_models;
 295         u32 rate_control_iframe_maxsize;
 296         u32 rate_control_qp_init;
 297         u32 rate_control_islice_qp;
 298         u32 rate_control_pslice_qp;
 299         u32 rate_control_bslice_qp;
 300         u32 adaptive_quantization;
 301         u32 aq_variance;
 302         u32 cost_optimization;
 303         u32 fdlp_mode;
 304         u32 enable_isegbframes;
 305         u32 enable_adaptive_keyratio;
 306         u32 keyratio_imin;
 307         u32 keyratio_imax;
 308         u32 keyratio_pmin;
 309         u32 keyratio_pmax;
 310         u32 keyratio_bmin;
 311         u32 keyratio_bmax;
 312         s32 keyratio_istep;
 313         s32 keyratio_pstep;
 314         s32 keyratio_bstep;
 315         u32 enable_paff;
 316         u32 enable_b_frame_ref;
 317         u32 enable_adaptive_gop;
 318         u32 enable_closed_gop;
 319         u32 open_gop_refresh_freq;
 320         u32 enable_adaptive_sc;
 321         u32 enable_fade_detection;
 322         s32 fade_detection_threshold;
 323         u32 enable_repeat_b;
 324         u32 enable_low_delay_b;
 325 };
 326
 327 struct vpu_enc_dynamic_params {
 328         u32 param_change;
 329         u32 rows_per_slice;
 330         u32 mbaff_enable;
 331         u32 dbf_enable;
 332         u32 field_source;
 333         u32 gop_b_length;
 334         u32 mb_group_size;
 335         u32 cbr_rows_per_group;
 336         u32 skip_enable;
 337         u32 pts_bits_0_to_31;
 338         u32 pts_bit_32;
 339         u32 rm_expsv_cff;
 340         u32 const_ipred;
 341         s32 chr_qp_offset;
 342         u32 intra_mb_qp_offset;
 343         u32 h264_cabac_init_method;
 344         u32 h264_cabac_init_idc;
 345         u32 h264_cabac_enable;
 346         s32 alpha_c0_offset_div2;
 347         s32 beta_offset_div2;
 348         u32 intra_prefresh_y0;
 349         u32 intra_prefresh_y1;
 350         u32 dbg_dump_rec_src;
 351 };
 352
 353 struct vpu_enc_expert_mode_param {
 354         struct vpu_enc_calib_params calib_param;
 355         struct vpu_enc_config_params config_param;
 356         struct vpu_enc_static_params static_param;
 357         struct vpu_enc_dynamic_params dynamic_param;
 358 };
 359
 360 enum MEDIAIP_ENC_FMT {
 361         MEDIAIP_ENC_FMT_H264 = 0,
 362         MEDIAIP_ENC_FMT_VC1,
 363         MEDIAIP_ENC_FMT_MPEG2,
 364         MEDIAIP_ENC_FMT_MPEG4SP,
 365         MEDIAIP_ENC_FMT_H263,
 366         MEDIAIP_ENC_FMT_MPEG1,
 367         MEDIAIP_ENC_FMT_SHORT_HEADER,
 368         MEDIAIP_ENC_FMT_NULL
 369 };
 370
 371 enum MEDIAIP_ENC_PROFILE {
 372         MEDIAIP_ENC_PROF_MPEG2_SP = 0,
 373         MEDIAIP_ENC_PROF_MPEG2_MP,
 374         MEDIAIP_ENC_PROF_MPEG2_HP,
 375         MEDIAIP_ENC_PROF_H264_BP,
 376         MEDIAIP_ENC_PROF_H264_MP,
 377         MEDIAIP_ENC_PROF_H264_HP,
 378         MEDIAIP_ENC_PROF_MPEG4_SP,
 379         MEDIAIP_ENC_PROF_MPEG4_ASP,
 380         MEDIAIP_ENC_PROF_VC1_SP,
 381         MEDIAIP_ENC_PROF_VC1_MP,
 382         MEDIAIP_ENC_PROF_VC1_AP
 383 };
 384
 385 enum MEDIAIP_ENC_BITRATE_MODE {
 386         MEDIAIP_ENC_BITRATE_MODE_VBR          = 0x00000001,
 387         MEDIAIP_ENC_BITRATE_MODE_CBR          = 0x00000002,
 388         MEDIAIP_ENC_BITRATE_MODE_CONSTANT_QP  = 0x00000004
 389 };
 390
 391 struct vpu_enc_memory_resource {
 392         u32 phys;
 393         u32 virt;
 394         u32 size;
 395 };
 396
 397 struct vpu_enc_param {
 398         enum MEDIAIP_ENC_FMT codec_mode;
 399         enum MEDIAIP_ENC_PROFILE profile;
 400         u32 level;
 401
 402         struct vpu_enc_memory_resource enc_mem_desc;
 403
 404         u32 frame_rate;
 405         u32 src_stride;
 406         u32 src_width;
 407         u32 src_height;
 408         u32 src_offset_x;
 409         u32 src_offset_y;
 410         u32 src_crop_width;
 411         u32 src_crop_height;
 412         u32 out_width;
 413         u32 out_height;
 414         u32 iframe_interval;
 415         u32 bframes;
 416         u32 low_latency_mode;
 417
 418         enum MEDIAIP_ENC_BITRATE_MODE  bitrate_mode;
 419         u32 target_bitrate;
 420         u32 max_bitrate;
 421         u32 min_bitrate;
 422         u32 init_slice_qp;
 423 };
 424
 425 struct vpu_enc_mem_pool {
 426         struct vpu_enc_memory_resource enc_frames[WINDSOR_MAX_SRC_FRAMES];
 427         struct vpu_enc_memory_resource ref_frames[WINDSOR_MAX_REF_FRAMES];
 428         struct vpu_enc_memory_resource act_frame;
 429 };
 430
 431 struct vpu_enc_encoding_status {
 432         u32   frame_id;
 433         u32   error_flag;   //Error type
 434         u32   mb_y;
 435         u32   mb_x;
 436         u32   reserved[12];
 437
 438 };
 439
 440 struct vpu_enc_dsa_status {
 441         u32   frame_id;
 442         u32   dsa_cyle;
 443         u32   mb_y;
 444         u32   mb_x;
 445         u32   reserved[4];
 446 };
 447
 448 struct vpu_enc_ctrl {
 449         struct vpu_enc_yuv_desc *yuv_desc;
 450         struct vpu_rpc_buffer_desc *stream_desc;
 451         struct vpu_enc_expert_mode_param *expert;
 452         struct vpu_enc_param *param;
 453         struct vpu_enc_mem_pool *pool;
 454         struct vpu_enc_encoding_status *status;
 455         struct vpu_enc_dsa_status *dsa;
 456 };
 457
 458 struct vpu_enc_host_ctrls {
 459         struct vpu_enc_ctrl ctrls[VID_API_NUM_STREAMS];
 460 };
 461
 462 struct windsor_pic_info {
 463         u32 frame_id;
 464         u32 pic_encod_done;
 465         u32 pic_type;
 466         u32 skipped_frame;
 467         u32 error_flag;
 468         u32 psnr;
 469         u32 flush_done;
 470         u32 mb_y;
 471         u32 mb_x;
 472         u32 frame_size;
 473         u32 frame_enc_ttl_cycles;
 474         u32 frame_enc_ttl_frm_cycles;
 475         u32 frame_enc_ttl_slc_cycles;
 476         u32 frame_enc_ttl_enc_cycles;
 477         u32 frame_enc_ttl_hme_cycles;
 478         u32 frame_enc_ttl_dsa_cycles;
 479         u32 frame_enc_fw_cycles;
 480         u32 frame_crc;
 481         u32 num_interrupts_1;
 482         u32 num_interrupts_2;
 483         u32 poc;
 484         u32 ref_info;
 485         u32 pic_num;
 486         u32 pic_activity;
 487         u32 scene_change;
 488         u32 mb_stats;
 489         u32 enc_cache_count0;
 490         u32 enc_cache_count1;
 491         u32 mtl_wr_strb_cnt;
 492         u32 mtl_rd_strb_cnt;
 493         u32 str_buff_wptr;
 494         u32 diagnosticEvents;
 495         u32 proc_iacc_tot_rd_cnt;
 496         u32 proc_dacc_tot_rd_cnt;
 497         u32 proc_dacc_tot_wr_cnt;
 498         u32 proc_dacc_reg_rd_cnt;
 499         u32 proc_dacc_reg_wr_cnt;
 500         u32 proc_dacc_rng_rd_cnt;
 501         u32 proc_dacc_rng_wr_cnt;
 502         s32 tv_s;
 503         u32 tv_ns;
 504 };
 505
 506 u32 vpu_windsor_get_data_size(void)
 507 {
 508         return sizeof(struct vpu_enc_host_ctrls);
 509 }
 510
 511 static struct vpu_enc_yuv_desc *get_yuv_desc(struct vpu_shared_addr *shared,
 512                                              u32 instance)
 513 {
 514         struct vpu_enc_host_ctrls *hcs = shared->priv;
 515
 516         return hcs->ctrls[instance].yuv_desc;
 517 }
 518
 519 static struct vpu_enc_mem_pool *get_mem_pool(struct vpu_shared_addr *shared,
 520                                              u32 instance)
 521 {
 522         struct vpu_enc_host_ctrls *hcs = shared->priv;
 523
 524         return hcs->ctrls[instance].pool;
 525 }
 526
 527 static struct vpu_rpc_buffer_desc *get_stream_buf_desc(struct vpu_shared_addr *shared,
 528                                                        u32 instance)
 529 {
 530         struct vpu_enc_host_ctrls *hcs = shared->priv;
 531
 532         return hcs->ctrls[instance].stream_desc;
 533 }
 534
 535 static struct vpu_enc_expert_mode_param *get_expert_param(struct vpu_shared_addr *shared,
 536                                                           u32 instance)
 537 {
 538         struct vpu_enc_host_ctrls *hcs = shared->priv;
 539
 540         return hcs->ctrls[instance].expert;
 541 }
 542
 543 static struct vpu_enc_param *get_enc_param(struct vpu_shared_addr *shared, u32 instance)
 544 {
 545         struct vpu_enc_host_ctrls *hcs = shared->priv;
 546
 547         return hcs->ctrls[instance].param;
 548 }
 549
 550 static u32 get_ptr(u32 ptr)
 551 {
 552         return (ptr | 0x80000000);
 553 }
 554
 555 void vpu_windsor_init_rpc(struct vpu_shared_addr *shared,
 556                           struct vpu_buffer *rpc, dma_addr_t boot_addr)
 557 {
 558         unsigned long base_phy_addr;
 559         unsigned long phy_addr;
 560         unsigned long offset;
 561         struct windsor_iface *iface;
 562         struct windsor_ctrl_iface *ctrl;
 563         struct vpu_enc_host_ctrls *hcs;
 564         unsigned int i;
 565
 566         if (rpc->phys < boot_addr)
 567                 return;
 568
 569         base_phy_addr = rpc->phys - boot_addr;
 570         iface = rpc->virt;
 571         shared->iface = iface;
 572         shared->boot_addr = boot_addr;
 573         hcs = shared->priv;
 574
 575         iface->exec_base_addr = base_phy_addr;
 576         iface->exec_area_size = rpc->length;
 577
 578         offset = sizeof(struct windsor_iface);
 579         phy_addr = base_phy_addr + offset;
 580         shared->cmd_desc = &iface->cmd_buffer_desc;
 581         shared->cmd_mem_vir = rpc->virt + offset;
 582         iface->cmd_buffer_desc.start =
 583         iface->cmd_buffer_desc.rptr =
 584         iface->cmd_buffer_desc.wptr = phy_addr;
 585         iface->cmd_buffer_desc.end = iface->cmd_buffer_desc.start + CMD_SIZE;
 586
 587         offset += CMD_SIZE;
 588         phy_addr = base_phy_addr + offset;
 589         shared->msg_desc = &iface->msg_buffer_desc;
 590         shared->msg_mem_vir = rpc->virt + offset;
 591         iface->msg_buffer_desc.start =
 592         iface->msg_buffer_desc.wptr =
 593         iface->msg_buffer_desc.rptr = phy_addr;
 594         iface->msg_buffer_desc.end = iface->msg_buffer_desc.start + MSG_SIZE;
 595
 596         offset += MSG_SIZE;
 597         for (i = 0; i < ARRAY_SIZE(iface->ctrl_iface); i++) {
 598                 iface->ctrl_iface[i] = base_phy_addr + offset;
 599                 offset += sizeof(struct windsor_ctrl_iface);
 600         }
 601         for (i = 0; i < ARRAY_SIZE(iface->ctrl_iface); i++) {
 602                 ctrl = rpc->virt + (iface->ctrl_iface[i] - base_phy_addr);
 603
 604                 ctrl->enc_yuv_buffer_desc = base_phy_addr + offset;
 605                 hcs->ctrls[i].yuv_desc = rpc->virt + offset;
 606                 offset += sizeof(struct vpu_enc_yuv_desc);
 607
 608                 ctrl->enc_stream_buffer_desc = base_phy_addr + offset;
 609                 hcs->ctrls[i].stream_desc = rpc->virt + offset;
 610                 offset += sizeof(struct vpu_rpc_buffer_desc);
 611
 612                 ctrl->enc_expert_mode_param = base_phy_addr + offset;
 613                 hcs->ctrls[i].expert = rpc->virt + offset;
 614                 offset += sizeof(struct vpu_enc_expert_mode_param);
 615
 616                 ctrl->enc_param = base_phy_addr + offset;
 617                 hcs->ctrls[i].param = rpc->virt + offset;
 618                 offset += sizeof(struct vpu_enc_param);
 619
 620                 ctrl->enc_mem_pool = base_phy_addr + offset;
 621                 hcs->ctrls[i].pool = rpc->virt + offset;
 622                 offset += sizeof(struct vpu_enc_mem_pool);
 623
 624                 ctrl->enc_encoding_status = base_phy_addr + offset;
 625                 hcs->ctrls[i].status = rpc->virt + offset;
 626                 offset += sizeof(struct vpu_enc_encoding_status);
 627
 628                 ctrl->enc_dsa_status = base_phy_addr + offset;
 629                 hcs->ctrls[i].dsa = rpc->virt + offset;
 630                 offset += sizeof(struct vpu_enc_dsa_status);
 631         }
 632
 633         rpc->bytesused = offset;
 634 }
 635
 636 void vpu_windsor_set_log_buf(struct vpu_shared_addr *shared, struct vpu_buffer *log)
 637 {
 638         struct windsor_iface *iface = shared->iface;
 639
 640         iface->log_buffer_desc.start =
 641         iface->log_buffer_desc.wptr =
 642         iface->log_buffer_desc.rptr = log->phys - shared->boot_addr;
 643         iface->log_buffer_desc.end = iface->log_buffer_desc.start + log->length;
 644 }
 645
 646 void vpu_windsor_set_system_cfg(struct vpu_shared_addr *shared,
 647                                 u32 regs_base, void __iomem *regs, u32 core_id)
 648 {
 649         struct windsor_iface *iface = shared->iface;
 650         struct vpu_rpc_system_config *config = &iface->system_config;
 651
 652         vpu_imx8q_set_system_cfg_common(config, regs_base, core_id);
 653 }
 654
 655 int vpu_windsor_get_stream_buffer_size(struct vpu_shared_addr *shared)
 656 {
 657         return 0x300000;
 658 }
 659
 660 static struct vpu_pair windsor_cmds[] = {
 661         {VPU_CMD_ID_CONFIGURE_CODEC, GTB_ENC_CMD_CONFIGURE_CODEC},
 662         {VPU_CMD_ID_START, GTB_ENC_CMD_STREAM_START},
 663         {VPU_CMD_ID_STOP, GTB_ENC_CMD_STREAM_STOP},
 664         {VPU_CMD_ID_FRAME_ENCODE, GTB_ENC_CMD_FRAME_ENCODE},
 665         {VPU_CMD_ID_SNAPSHOT, GTB_ENC_CMD_SNAPSHOT},
 666         {VPU_CMD_ID_FIRM_RESET, GTB_ENC_CMD_FIRM_RESET},
 667         {VPU_CMD_ID_UPDATE_PARAMETER, GTB_ENC_CMD_PARAMETER_UPD},
 668         {VPU_CMD_ID_DEBUG, GTB_ENC_CMD_FW_STATUS}
 669 };
 670
 671 static struct vpu_pair windsor_msgs[] = {
 672         {VPU_MSG_ID_RESET_DONE, VID_API_ENC_EVENT_RESET_DONE},
 673         {VPU_MSG_ID_START_DONE, VID_API_ENC_EVENT_START_DONE},
 674         {VPU_MSG_ID_STOP_DONE, VID_API_ENC_EVENT_STOP_DONE},
 675         {VPU_MSG_ID_FRAME_INPUT_DONE, VID_API_ENC_EVENT_FRAME_INPUT_DONE},
 676         {VPU_MSG_ID_ENC_DONE, VID_API_ENC_EVENT_FRAME_DONE},
 677         {VPU_MSG_ID_FRAME_RELEASE, VID_API_ENC_EVENT_FRAME_RELEASE},
 678         {VPU_MSG_ID_MEM_REQUEST, VID_API_ENC_EVENT_MEM_REQUEST},
 679         {VPU_MSG_ID_PARAM_UPD_DONE, VID_API_ENC_EVENT_PARA_UPD_DONE},
 680         {VPU_MSG_ID_FIRMWARE_XCPT, VID_API_ENC_EVENT_FIRMWARE_XCPT},
 681 };
 682
 683 int vpu_windsor_pack_cmd(struct vpu_rpc_event *pkt, u32 index, u32 id, void *data)
 684 {
 685         int ret;
 686
 687         ret = vpu_find_dst_by_src(windsor_cmds, ARRAY_SIZE(windsor_cmds), id);
 688         if (ret < 0)
 689                 return ret;
 690         pkt->hdr.id = ret;
 691         pkt->hdr.num = 0;
 692         pkt->hdr.index = index;
 693         if (id == VPU_CMD_ID_FRAME_ENCODE) {
 694                 s64 timestamp = *(s64 *)data;
 695                 struct timespec64 ts = ns_to_timespec64(timestamp);
 696
 697                 pkt->hdr.num = 2;
 698                 pkt->data[0] = ts.tv_sec;
 699                 pkt->data[1] = ts.tv_nsec;
 700         }
 701
 702         return 0;
 703 }
 704
 705 int vpu_windsor_convert_msg_id(u32 id)
 706 {
 707         return vpu_find_src_by_dst(windsor_msgs, ARRAY_SIZE(windsor_msgs), id);
 708 }
 709
 710 static void vpu_windsor_unpack_pic_info(struct vpu_rpc_event *pkt, void *data)
 711 {
 712         struct vpu_enc_pic_info *info = data;
 713         struct windsor_pic_info *windsor = (struct windsor_pic_info *)pkt->data;
 714         struct timespec64 ts = { windsor->tv_s, windsor->tv_ns };
 715
 716         info->frame_id = windsor->frame_id;
 717         switch (windsor->pic_type) {
 718         case MEDIAIP_ENC_PIC_TYPE_I_FRAME:
 719         case MEDIAIP_ENC_PIC_TYPE_IDR_FRAME:
 720                 info->pic_type = V4L2_BUF_FLAG_KEYFRAME;
 721                 break;
 722         case MEDIAIP_ENC_PIC_TYPE_P_FRAME:
 723                 info->pic_type = V4L2_BUF_FLAG_PFRAME;
 724                 break;
 725         case MEDIAIP_ENC_PIC_TYPE_B_FRAME:
 726                 info->pic_type = V4L2_BUF_FLAG_BFRAME;
 727                 break;
 728         default:
 729                 break;
 730         }
 731         info->skipped_frame = windsor->skipped_frame;
 732         info->error_flag = windsor->error_flag;
 733         info->psnr = windsor->psnr;
 734         info->frame_size = windsor->frame_size;
 735         info->wptr = get_ptr(windsor->str_buff_wptr);
 736         info->crc = windsor->frame_crc;
 737         info->timestamp = timespec64_to_ns(&ts);
 738 }
 739
 740 static void vpu_windsor_unpack_mem_req(struct vpu_rpc_event *pkt, void *data)
 741 {
 742         struct vpu_pkt_mem_req_data *req_data = data;
 743
 744         req_data->enc_frame_size = pkt->data[0];
 745         req_data->enc_frame_num = pkt->data[1];
 746         req_data->ref_frame_size = pkt->data[2];
 747         req_data->ref_frame_num = pkt->data[3];
 748         req_data->act_buf_size = pkt->data[4];
 749         req_data->act_buf_num = 1;
 750 }
 751
 752 int vpu_windsor_unpack_msg_data(struct vpu_rpc_event *pkt, void *data)
 753 {
 754         if (!pkt || !data)
 755                 return -EINVAL;
 756
 757         switch (pkt->hdr.id) {
 758         case VID_API_ENC_EVENT_FRAME_DONE:
 759                 vpu_windsor_unpack_pic_info(pkt, data);
 760                 break;
 761         case VID_API_ENC_EVENT_MEM_REQUEST:
 762                 vpu_windsor_unpack_mem_req(pkt, data);
 763                 break;
 764         case VID_API_ENC_EVENT_FRAME_RELEASE:
 765                 *(u32 *)data = pkt->data[0];
 766                 break;
 767         default:
 768                 break;
 769         }
 770
 771         return 0;
 772 }
 773
 774 static int vpu_windsor_fill_yuv_frame(struct vpu_shared_addr *shared,
 775                                       u32 instance,
 776                                       struct vb2_buffer *vb)
 777 {
 778         struct vpu_enc_yuv_desc *desc;
 779         struct vb2_v4l2_buffer *vbuf;
 780
 781         if (instance >= VID_API_NUM_STREAMS)
 782                 return -EINVAL;
 783
 784         desc = get_yuv_desc(shared, instance);
 785
 786         vbuf = to_vb2_v4l2_buffer(vb);
 787         desc->frame_id = vbuf->sequence;
 788         if (vbuf->flags & V4L2_BUF_FLAG_KEYFRAME)
 789                 desc->key_frame = 1;
 790         else
 791                 desc->key_frame = 0;
 792         desc->luma_base = vpu_get_vb_phy_addr(vb, 0);
 793         desc->chroma_base = vpu_get_vb_phy_addr(vb, 1);
 794
 795         return 0;
 796 }
 797
 798 int vpu_windsor_input_frame(struct vpu_shared_addr *shared,
 799                             struct vpu_inst *inst, struct vb2_buffer *vb)
 800 {
 801         vpu_windsor_fill_yuv_frame(shared, inst->id, vb);
 802         return vpu_session_encode_frame(inst, vb->timestamp);
 803 }
 804
 805 int vpu_windsor_config_memory_resource(struct vpu_shared_addr *shared,
 806                                        u32 instance,
 807                                        u32 type,
 808                                        u32 index,
 809                                        struct vpu_buffer *buf)
 810 {
 811         struct vpu_enc_mem_pool *pool;
 812         struct vpu_enc_memory_resource *res;
 813
 814         if (instance >= VID_API_NUM_STREAMS)
 815                 return -EINVAL;
 816
 817         pool = get_mem_pool(shared, instance);
 818
 819         switch (type) {
 820         case MEM_RES_ENC:
 821                 if (index >= ARRAY_SIZE(pool->enc_frames))
 822                         return -EINVAL;
 823                 res = &pool->enc_frames[index];
 824                 break;
 825         case MEM_RES_REF:
 826                 if (index >= ARRAY_SIZE(pool->ref_frames))
 827                         return -EINVAL;
 828                 res = &pool->ref_frames[index];
 829                 break;
 830         case MEM_RES_ACT:
 831                 if (index)
 832                         return -EINVAL;
 833                 res = &pool->act_frame;
 834                 break;
 835         default:
 836                 return -EINVAL;
 837         }
 838
 839         res->phys = buf->phys;
 840         res->virt = buf->phys - shared->boot_addr;
 841         res->size = buf->length;
 842
 843         return 0;
 844 }
 845
 846 int vpu_windsor_config_stream_buffer(struct vpu_shared_addr *shared,
 847                                      u32 instance,
 848                                      struct vpu_buffer *buf)
 849 {
 850         struct vpu_rpc_buffer_desc *desc;
 851         struct vpu_enc_expert_mode_param *expert;
 852
 853         desc = get_stream_buf_desc(shared, instance);
 854         expert = get_expert_param(shared, instance);
 855
 856         desc->start = buf->phys;
 857         desc->wptr = buf->phys;
 858         desc->rptr = buf->phys;
 859         desc->end = buf->phys + buf->length;
 860
 861         expert->calib_param.mem_chunk_phys_addr = 0;
 862         expert->calib_param.mem_chunk_virt_addr = 0;
 863         expert->calib_param.mem_chunk_size = 0;
 864         expert->calib_param.cb_base = buf->phys;
 865         expert->calib_param.cb_size = buf->length;
 866
 867         return 0;
 868 }
 869
 870 int vpu_windsor_update_stream_buffer(struct vpu_shared_addr *shared,
 871                                      u32 instance, u32 ptr, bool write)
 872 {
 873         struct vpu_rpc_buffer_desc *desc;
 874
 875         desc = get_stream_buf_desc(shared, instance);
 876
 877         /*update wptr/rptr after data is written or read*/
 878         mb();
 879         if (write)
 880                 desc->wptr = ptr;
 881         else
 882                 desc->rptr = ptr;
 883
 884         return 0;
 885 }
 886
 887 int vpu_windsor_get_stream_buffer_desc(struct vpu_shared_addr *shared,
 888                                        u32 instance, struct vpu_rpc_buffer_desc *desc)
 889 {
 890         struct vpu_rpc_buffer_desc *rpc_desc;
 891
 892         rpc_desc = get_stream_buf_desc(shared, instance);
 893         if (desc) {
 894                 desc->wptr = get_ptr(rpc_desc->wptr);
 895                 desc->rptr = get_ptr(rpc_desc->rptr);
 896                 desc->start = get_ptr(rpc_desc->start);
 897                 desc->end = get_ptr(rpc_desc->end);
 898         }
 899
 900         return 0;
 901 }
 902
 903 u32 vpu_windsor_get_version(struct vpu_shared_addr *shared)
 904 {
 905         struct windsor_iface *iface = shared->iface;
 906
 907         return iface->fw_version;
 908 }
 909
 910 static int vpu_windsor_set_frame_rate(struct vpu_enc_expert_mode_param *expert,
 911                                       struct vpu_encode_params *params)
 912 {
 913         expert->config_param.frame_rate_num = params->frame_rate.numerator;
 914         expert->config_param.frame_rate_den = params->frame_rate.denominator;
 915
 916         return 0;
 917 }
 918
 919 static int vpu_windsor_set_format(struct vpu_enc_param *param, u32 pixelformat)
 920 {
 921         switch (pixelformat) {
 922         case V4L2_PIX_FMT_H264:
 923                 param->codec_mode = MEDIAIP_ENC_FMT_H264;
 924                 break;
 925         default:
 926                 return -EINVAL;
 927         }
 928
 929         return 0;
 930 }
 931
 932 static int vpu_windsor_set_profile(struct vpu_enc_param *param, u32 profile)
 933 {
 934         switch (profile) {
 935         case V4L2_MPEG_VIDEO_H264_PROFILE_BASELINE:
 936                 param->profile = MEDIAIP_ENC_PROF_H264_BP;
 937                 break;
 938         case V4L2_MPEG_VIDEO_H264_PROFILE_MAIN:
 939                 param->profile = MEDIAIP_ENC_PROF_H264_MP;
 940                 break;
 941         case V4L2_MPEG_VIDEO_H264_PROFILE_HIGH:
 942                 param->profile = MEDIAIP_ENC_PROF_H264_HP;
 943                 break;
 944         default:
 945                 return -EINVAL;
 946         }
 947
 948         return 0;
 949 }
 950
 951 static const u32 h264_level[] = {
 952         [V4L2_MPEG_VIDEO_H264_LEVEL_1_0] = 10,
 953         [V4L2_MPEG_VIDEO_H264_LEVEL_1B]  = 14,
 954         [V4L2_MPEG_VIDEO_H264_LEVEL_1_1] = 11,
 955         [V4L2_MPEG_VIDEO_H264_LEVEL_1_2] = 12,
 956         [V4L2_MPEG_VIDEO_H264_LEVEL_1_3] = 13,
 957         [V4L2_MPEG_VIDEO_H264_LEVEL_2_0] = 20,
 958         [V4L2_MPEG_VIDEO_H264_LEVEL_2_1] = 21,
 959         [V4L2_MPEG_VIDEO_H264_LEVEL_2_2] = 22,
 960         [V4L2_MPEG_VIDEO_H264_LEVEL_3_0] = 30,
 961         [V4L2_MPEG_VIDEO_H264_LEVEL_3_1] = 31,
 962         [V4L2_MPEG_VIDEO_H264_LEVEL_3_2] = 32,
 963         [V4L2_MPEG_VIDEO_H264_LEVEL_4_0] = 40,
 964         [V4L2_MPEG_VIDEO_H264_LEVEL_4_1] = 41,
 965         [V4L2_MPEG_VIDEO_H264_LEVEL_4_2] = 42,
 966         [V4L2_MPEG_VIDEO_H264_LEVEL_5_0] = 50,
 967         [V4L2_MPEG_VIDEO_H264_LEVEL_5_1] = 51
 968 };
 969
 970 static int vpu_windsor_set_level(struct vpu_enc_param *param, u32 level)
 971 {
 972         if (level >= ARRAY_SIZE(h264_level))
 973                 return -EINVAL;
 974
 975         param->level = h264_level[level];
 976
 977         return 0;
 978 }
 979
 980 static int vpu_windsor_set_size(struct vpu_enc_param *windsor,
 981                                 struct vpu_encode_params *params)
 982 {
 983         windsor->src_stride = params->src_stride;
 984         windsor->src_width = params->src_width;
 985         windsor->src_height = params->src_height;
 986         windsor->src_offset_x = params->crop.left;
 987         windsor->src_offset_y = params->crop.top;
 988         windsor->src_crop_width = params->crop.width;
 989         windsor->src_crop_height = params->crop.height;
 990         windsor->out_width = params->out_width;
 991         windsor->out_height = params->out_height;
 992
 993         return 0;
 994 }
 995
 996 static int vpu_windsor_set_gop(struct vpu_enc_param *param, u32 gop)
 997 {
 998         param->iframe_interval = gop;
 999
1000         return 0;
1001 }
1002
1003 static int vpu_windsor_set_bframes(struct vpu_enc_param *param, u32 bframes)
1004 {
1005         if (bframes) {
1006                 param->low_latency_mode = 0;
1007                 param->bframes = bframes;
1008         } else {
1009                 param->low_latency_mode = 1;
1010                 param->bframes = 0;
1011         }
1012
1013         return 0;
1014 }
1015
1016 static int vpu_windsor_set_bitrate_mode(struct vpu_enc_param *param, u32 rc_enable, u32 mode)
1017 {
1018         if (!rc_enable)
1019                 param->bitrate_mode = MEDIAIP_ENC_BITRATE_MODE_CONSTANT_QP;
1020         else if (mode == V4L2_MPEG_VIDEO_BITRATE_MODE_VBR)
1021                 param->bitrate_mode = MEDIAIP_ENC_BITRATE_MODE_VBR;
1022         else
1023                 param->bitrate_mode = MEDIAIP_ENC_BITRATE_MODE_CBR;
1024
1025         return 0;
1026 }
1027
1028 static u32 vpu_windsor_bitrate(u32 bitrate)
1029 {
1030         return DIV_ROUND_CLOSEST(bitrate, WINDSOR_BITRATE_UNIT);
1031 }
1032
1033 static int vpu_windsor_set_bitrate(struct vpu_enc_param *windsor,
1034                                    struct vpu_encode_params *params)
1035 {
1036         windsor->target_bitrate = vpu_windsor_bitrate(params->bitrate);
1037         windsor->min_bitrate = vpu_windsor_bitrate(params->bitrate_min);
1038         windsor->max_bitrate = vpu_windsor_bitrate(params->bitrate_max);
1039
1040         return 0;
1041 }
1042
1043 static int vpu_windsor_set_qp(struct vpu_enc_expert_mode_param *expert,
1044                               struct vpu_encode_params *params)
1045 {
1046         expert->static_param.rate_control_islice_qp = params->i_frame_qp;
1047         expert->static_param.rate_control_pslice_qp = params->p_frame_qp;
1048         expert->static_param.rate_control_bslice_qp = params->b_frame_qp;
1049
1050         return 0;
1051 }
1052
1053 static int vpu_windsor_set_sar(struct vpu_enc_expert_mode_param *expert,
1054                                struct vpu_encode_params *params)
1055 {
1056         expert->config_param.h264_aspect_ratio_present = params->sar.enable;
1057         if (params->sar.idc == V4L2_MPEG_VIDEO_H264_VUI_SAR_IDC_EXTENDED)
1058                 expert->config_param.aspect_ratio = WINDSOR_H264_EXTENDED_SAR;
1059         else
1060                 expert->config_param.aspect_ratio = params->sar.idc;
1061         expert->config_param.h264_aspect_ratio_sar_width = params->sar.width;
1062         expert->config_param.h264_aspect_ratio_sar_height = params->sar.height;
1063
1064         return 0;
1065 }
1066
1067 static int vpu_windsor_set_color(struct vpu_enc_expert_mode_param *expert,
1068                                  struct vpu_encode_params *params)
1069 {
1070         expert->config_param.h264_video_type_present = 1;
1071         expert->config_param.h264_video_format = 5;
1072         expert->config_param.h264_video_colour_descriptor = 1;
1073         expert->config_param.h264_video_colour_primaries =
1074                 vpu_color_cvrt_primaries_v2i(params->color.primaries);
1075         expert->config_param.h264_video_transfer_char =
1076                 vpu_color_cvrt_transfers_v2i(params->color.transfer);
1077         expert->config_param.h264_video_matrix_coeff =
1078                 vpu_color_cvrt_matrix_v2i(params->color.matrix);
1079         expert->config_param.h264_video_full_range =
1080                 vpu_color_cvrt_full_range_v2i(params->color.full_range);
1081         return 0;
1082 }
1083
1084 static int vpu_windsor_update_bitrate(struct vpu_shared_addr *shared,
1085                                       u32 instance, struct vpu_encode_params *params)
1086 {
1087         struct vpu_enc_param *windsor;
1088         struct vpu_enc_expert_mode_param *expert;
1089
1090         windsor = get_enc_param(shared, instance);
1091         expert = get_expert_param(shared, instance);
1092
1093         if (windsor->bitrate_mode != MEDIAIP_ENC_BITRATE_MODE_CBR)
1094                 return 0;
1095         if (!params->rc_enable)
1096                 return 0;
1097         if (vpu_windsor_bitrate(params->bitrate) == windsor->target_bitrate)
1098                 return 0;
1099
1100         vpu_windsor_set_bitrate(windsor, params);
1101         expert->static_param.rate_control_bitrate = windsor->target_bitrate;
1102         expert->static_param.rate_control_bitrate_min = windsor->min_bitrate;
1103         expert->static_param.rate_control_bitrate_max = windsor->max_bitrate;
1104
1105         return 0;
1106 }
1107
1108 static int vpu_windsor_set_params(struct vpu_shared_addr *shared,
1109                                   u32 instance, struct vpu_encode_params *params)
1110 {
1111         struct vpu_enc_param *windsor;
1112         int ret;
1113
1114         windsor = get_enc_param(shared, instance);
1115
1116         if (params->input_format != V4L2_PIX_FMT_NV12 &&
1117             params->input_format != V4L2_PIX_FMT_NV12M)
1118                 return -EINVAL;
1119
1120         ret = vpu_windsor_set_format(windsor, params->codec_format);
1121         if (ret)
1122                 return ret;
1123         vpu_windsor_set_profile(windsor, params->profile);
1124         vpu_windsor_set_level(windsor, params->level);
1125         vpu_windsor_set_size(windsor, params);
1126         vpu_windsor_set_gop(windsor, params->gop_length);
1127         vpu_windsor_set_bframes(windsor, params->bframes);
1128         vpu_windsor_set_bitrate_mode(windsor, params->rc_enable, params->rc_mode);
1129         vpu_windsor_set_bitrate(windsor, params);
1130         windsor->init_slice_qp = params->i_frame_qp;
1131
1132         if (!params->frame_rate.numerator)
1133                 return -EINVAL;
1134         windsor->frame_rate = params->frame_rate.denominator / params->frame_rate.numerator;
1135
1136         return 0;
1137 }
1138
1139 static int vpu_windsor_update_params(struct vpu_shared_addr *shared,
1140                                      u32 instance, struct vpu_encode_params *params)
1141 {
1142         struct vpu_enc_expert_mode_param *expert;
1143
1144         expert = get_expert_param(shared, instance);
1145
1146         vpu_windsor_set_frame_rate(expert, params);
1147         vpu_windsor_set_qp(expert, params);
1148         vpu_windsor_set_sar(expert, params);
1149         vpu_windsor_set_color(expert, params);
1150         vpu_windsor_update_bitrate(shared, instance, params);
1151         /*expert->config_param.iac_sc_threshold = 0;*/
1152
1153         return 0;
1154 }
1155
1156 int vpu_windsor_set_encode_params(struct vpu_shared_addr *shared,
1157                                   u32 instance, struct vpu_encode_params *params, u32 update)
1158 {
1159         if (!params)
1160                 return -EINVAL;
1161
1162         if (!update)
1163                 return vpu_windsor_set_params(shared, instance, params);
1164         else
1165                 return vpu_windsor_update_params(shared, instance, params);
1166 }
1167
1168 u32 vpu_windsor_get_max_instance_count(struct vpu_shared_addr *shared)
1169 {
1170         struct windsor_iface *iface = shared->iface;
1171
1172         return iface->max_streams;
1173 }