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_NOOP, GTB_ENC_CMD_NOOP},
662 	{VPU_CMD_ID_CONFIGURE_CODEC, GTB_ENC_CMD_CONFIGURE_CODEC},
663 	{VPU_CMD_ID_START, GTB_ENC_CMD_STREAM_START},
664 	{VPU_CMD_ID_STOP, GTB_ENC_CMD_STREAM_STOP},
665 	{VPU_CMD_ID_FRAME_ENCODE, GTB_ENC_CMD_FRAME_ENCODE},
666 	{VPU_CMD_ID_SNAPSHOT, GTB_ENC_CMD_SNAPSHOT},
667 	{VPU_CMD_ID_FIRM_RESET, GTB_ENC_CMD_FIRM_RESET},
668 	{VPU_CMD_ID_UPDATE_PARAMETER, GTB_ENC_CMD_PARAMETER_UPD},
669 	{VPU_CMD_ID_DEBUG, GTB_ENC_CMD_FW_STATUS}
670 };
671 
672 static struct vpu_pair windsor_msgs[] = {
673 	{VPU_MSG_ID_RESET_DONE, VID_API_ENC_EVENT_RESET_DONE},
674 	{VPU_MSG_ID_START_DONE, VID_API_ENC_EVENT_START_DONE},
675 	{VPU_MSG_ID_STOP_DONE, VID_API_ENC_EVENT_STOP_DONE},
676 	{VPU_MSG_ID_FRAME_INPUT_DONE, VID_API_ENC_EVENT_FRAME_INPUT_DONE},
677 	{VPU_MSG_ID_ENC_DONE, VID_API_ENC_EVENT_FRAME_DONE},
678 	{VPU_MSG_ID_FRAME_RELEASE, VID_API_ENC_EVENT_FRAME_RELEASE},
679 	{VPU_MSG_ID_MEM_REQUEST, VID_API_ENC_EVENT_MEM_REQUEST},
680 	{VPU_MSG_ID_PARAM_UPD_DONE, VID_API_ENC_EVENT_PARA_UPD_DONE},
681 	{VPU_MSG_ID_FIRMWARE_XCPT, VID_API_ENC_EVENT_FIRMWARE_XCPT},
682 };
683 
684 int vpu_windsor_pack_cmd(struct vpu_rpc_event *pkt, u32 index, u32 id, void *data)
685 {
686 	int ret;
687 
688 	ret = vpu_find_dst_by_src(windsor_cmds, ARRAY_SIZE(windsor_cmds), id);
689 	if (ret < 0)
690 		return ret;
691 	pkt->hdr.id = ret;
692 	pkt->hdr.num = 0;
693 	pkt->hdr.index = index;
694 	if (id == VPU_CMD_ID_FRAME_ENCODE) {
695 		s64 timestamp = *(s64 *)data;
696 		struct timespec64 ts = ns_to_timespec64(timestamp);
697 
698 		pkt->hdr.num = 2;
699 		pkt->data[0] = ts.tv_sec;
700 		pkt->data[1] = ts.tv_nsec;
701 	}
702 
703 	return 0;
704 }
705 
706 int vpu_windsor_convert_msg_id(u32 id)
707 {
708 	return vpu_find_src_by_dst(windsor_msgs, ARRAY_SIZE(windsor_msgs), id);
709 }
710 
711 static void vpu_windsor_unpack_pic_info(struct vpu_rpc_event *pkt, void *data)
712 {
713 	struct vpu_enc_pic_info *info = data;
714 	struct windsor_pic_info *windsor = (struct windsor_pic_info *)pkt->data;
715 	struct timespec64 ts = { windsor->tv_s, windsor->tv_ns };
716 
717 	info->frame_id = windsor->frame_id;
718 	switch (windsor->pic_type) {
719 	case MEDIAIP_ENC_PIC_TYPE_I_FRAME:
720 	case MEDIAIP_ENC_PIC_TYPE_IDR_FRAME:
721 		info->pic_type = V4L2_BUF_FLAG_KEYFRAME;
722 		break;
723 	case MEDIAIP_ENC_PIC_TYPE_P_FRAME:
724 		info->pic_type = V4L2_BUF_FLAG_PFRAME;
725 		break;
726 	case MEDIAIP_ENC_PIC_TYPE_B_FRAME:
727 		info->pic_type = V4L2_BUF_FLAG_BFRAME;
728 		break;
729 	default:
730 		break;
731 	}
732 	info->skipped_frame = windsor->skipped_frame;
733 	info->error_flag = windsor->error_flag;
734 	info->psnr = windsor->psnr;
735 	info->frame_size = windsor->frame_size;
736 	info->wptr = get_ptr(windsor->str_buff_wptr);
737 	info->crc = windsor->frame_crc;
738 	info->timestamp = timespec64_to_ns(&ts);
739 }
740 
741 static void vpu_windsor_unpack_mem_req(struct vpu_rpc_event *pkt, void *data)
742 {
743 	struct vpu_pkt_mem_req_data *req_data = data;
744 
745 	req_data->enc_frame_size = pkt->data[0];
746 	req_data->enc_frame_num = pkt->data[1];
747 	req_data->ref_frame_size = pkt->data[2];
748 	req_data->ref_frame_num = pkt->data[3];
749 	req_data->act_buf_size = pkt->data[4];
750 	req_data->act_buf_num = 1;
751 }
752 
753 int vpu_windsor_unpack_msg_data(struct vpu_rpc_event *pkt, void *data)
754 {
755 	if (!pkt || !data)
756 		return -EINVAL;
757 
758 	switch (pkt->hdr.id) {
759 	case VID_API_ENC_EVENT_FRAME_DONE:
760 		vpu_windsor_unpack_pic_info(pkt, data);
761 		break;
762 	case VID_API_ENC_EVENT_MEM_REQUEST:
763 		vpu_windsor_unpack_mem_req(pkt, data);
764 		break;
765 	case VID_API_ENC_EVENT_FRAME_RELEASE:
766 		*(u32 *)data = pkt->data[0];
767 		break;
768 	default:
769 		break;
770 	}
771 
772 	return 0;
773 }
774 
775 static int vpu_windsor_fill_yuv_frame(struct vpu_shared_addr *shared,
776 				      u32 instance,
777 				      struct vb2_buffer *vb)
778 {
779 	struct vpu_inst *inst = vb2_get_drv_priv(vb->vb2_queue);
780 	struct vpu_format *out_fmt;
781 	struct vpu_enc_yuv_desc *desc;
782 	struct vb2_v4l2_buffer *vbuf;
783 
784 	if (instance >= VID_API_NUM_STREAMS)
785 		return -EINVAL;
786 
787 	desc = get_yuv_desc(shared, instance);
788 	out_fmt = vpu_get_format(inst, vb->type);
789 
790 	vbuf = to_vb2_v4l2_buffer(vb);
791 	desc->frame_id = vbuf->sequence;
792 	if (vbuf->flags & V4L2_BUF_FLAG_KEYFRAME)
793 		desc->key_frame = 1;
794 	else
795 		desc->key_frame = 0;
796 	desc->luma_base = vpu_get_vb_phy_addr(vb, 0);
797 	if (vb->num_planes > 1)
798 		desc->chroma_base = vpu_get_vb_phy_addr(vb, 1);
799 	else
800 		desc->chroma_base = desc->luma_base + out_fmt->sizeimage[0];
801 
802 	return 0;
803 }
804 
805 int vpu_windsor_input_frame(struct vpu_shared_addr *shared,
806 			    struct vpu_inst *inst, struct vb2_buffer *vb)
807 {
808 	vpu_windsor_fill_yuv_frame(shared, inst->id, vb);
809 	return vpu_session_encode_frame(inst, vb->timestamp);
810 }
811 
812 int vpu_windsor_config_memory_resource(struct vpu_shared_addr *shared,
813 				       u32 instance,
814 				       u32 type,
815 				       u32 index,
816 				       struct vpu_buffer *buf)
817 {
818 	struct vpu_enc_mem_pool *pool;
819 	struct vpu_enc_memory_resource *res;
820 
821 	if (instance >= VID_API_NUM_STREAMS)
822 		return -EINVAL;
823 
824 	pool = get_mem_pool(shared, instance);
825 
826 	switch (type) {
827 	case MEM_RES_ENC:
828 		if (index >= ARRAY_SIZE(pool->enc_frames))
829 			return -EINVAL;
830 		res = &pool->enc_frames[index];
831 		break;
832 	case MEM_RES_REF:
833 		if (index >= ARRAY_SIZE(pool->ref_frames))
834 			return -EINVAL;
835 		res = &pool->ref_frames[index];
836 		break;
837 	case MEM_RES_ACT:
838 		if (index)
839 			return -EINVAL;
840 		res = &pool->act_frame;
841 		break;
842 	default:
843 		return -EINVAL;
844 	}
845 
846 	res->phys = buf->phys;
847 	res->virt = buf->phys - shared->boot_addr;
848 	res->size = buf->length;
849 
850 	return 0;
851 }
852 
853 int vpu_windsor_config_stream_buffer(struct vpu_shared_addr *shared,
854 				     u32 instance,
855 				     struct vpu_buffer *buf)
856 {
857 	struct vpu_rpc_buffer_desc *desc;
858 	struct vpu_enc_expert_mode_param *expert;
859 
860 	desc = get_stream_buf_desc(shared, instance);
861 	expert = get_expert_param(shared, instance);
862 
863 	desc->start = buf->phys;
864 	desc->wptr = buf->phys;
865 	desc->rptr = buf->phys;
866 	desc->end = buf->phys + buf->length;
867 
868 	expert->calib_param.mem_chunk_phys_addr = 0;
869 	expert->calib_param.mem_chunk_virt_addr = 0;
870 	expert->calib_param.mem_chunk_size = 0;
871 	expert->calib_param.cb_base = buf->phys;
872 	expert->calib_param.cb_size = buf->length;
873 
874 	return 0;
875 }
876 
877 int vpu_windsor_update_stream_buffer(struct vpu_shared_addr *shared,
878 				     u32 instance, u32 ptr, bool write)
879 {
880 	struct vpu_rpc_buffer_desc *desc;
881 
882 	desc = get_stream_buf_desc(shared, instance);
883 
884 	/*update wptr/rptr after data is written or read*/
885 	mb();
886 	if (write)
887 		desc->wptr = ptr;
888 	else
889 		desc->rptr = ptr;
890 
891 	return 0;
892 }
893 
894 int vpu_windsor_get_stream_buffer_desc(struct vpu_shared_addr *shared,
895 				       u32 instance, struct vpu_rpc_buffer_desc *desc)
896 {
897 	struct vpu_rpc_buffer_desc *rpc_desc;
898 
899 	rpc_desc = get_stream_buf_desc(shared, instance);
900 	if (desc) {
901 		desc->wptr = get_ptr(rpc_desc->wptr);
902 		desc->rptr = get_ptr(rpc_desc->rptr);
903 		desc->start = get_ptr(rpc_desc->start);
904 		desc->end = get_ptr(rpc_desc->end);
905 	}
906 
907 	return 0;
908 }
909 
910 u32 vpu_windsor_get_version(struct vpu_shared_addr *shared)
911 {
912 	struct windsor_iface *iface = shared->iface;
913 
914 	return iface->fw_version;
915 }
916 
917 static int vpu_windsor_set_frame_rate(struct vpu_enc_expert_mode_param *expert,
918 				      struct vpu_encode_params *params)
919 {
920 	expert->config_param.frame_rate_num = params->frame_rate.numerator;
921 	expert->config_param.frame_rate_den = params->frame_rate.denominator;
922 
923 	return 0;
924 }
925 
926 static int vpu_windsor_set_format(struct vpu_enc_param *param, u32 pixelformat)
927 {
928 	switch (pixelformat) {
929 	case V4L2_PIX_FMT_H264:
930 		param->codec_mode = MEDIAIP_ENC_FMT_H264;
931 		break;
932 	default:
933 		return -EINVAL;
934 	}
935 
936 	return 0;
937 }
938 
939 static int vpu_windsor_set_profile(struct vpu_enc_param *param, u32 profile)
940 {
941 	switch (profile) {
942 	case V4L2_MPEG_VIDEO_H264_PROFILE_BASELINE:
943 		param->profile = MEDIAIP_ENC_PROF_H264_BP;
944 		break;
945 	case V4L2_MPEG_VIDEO_H264_PROFILE_MAIN:
946 		param->profile = MEDIAIP_ENC_PROF_H264_MP;
947 		break;
948 	case V4L2_MPEG_VIDEO_H264_PROFILE_HIGH:
949 		param->profile = MEDIAIP_ENC_PROF_H264_HP;
950 		break;
951 	default:
952 		return -EINVAL;
953 	}
954 
955 	return 0;
956 }
957 
958 static const u32 h264_level[] = {
959 	[V4L2_MPEG_VIDEO_H264_LEVEL_1_0] = 10,
960 	[V4L2_MPEG_VIDEO_H264_LEVEL_1B]  = 14,
961 	[V4L2_MPEG_VIDEO_H264_LEVEL_1_1] = 11,
962 	[V4L2_MPEG_VIDEO_H264_LEVEL_1_2] = 12,
963 	[V4L2_MPEG_VIDEO_H264_LEVEL_1_3] = 13,
964 	[V4L2_MPEG_VIDEO_H264_LEVEL_2_0] = 20,
965 	[V4L2_MPEG_VIDEO_H264_LEVEL_2_1] = 21,
966 	[V4L2_MPEG_VIDEO_H264_LEVEL_2_2] = 22,
967 	[V4L2_MPEG_VIDEO_H264_LEVEL_3_0] = 30,
968 	[V4L2_MPEG_VIDEO_H264_LEVEL_3_1] = 31,
969 	[V4L2_MPEG_VIDEO_H264_LEVEL_3_2] = 32,
970 	[V4L2_MPEG_VIDEO_H264_LEVEL_4_0] = 40,
971 	[V4L2_MPEG_VIDEO_H264_LEVEL_4_1] = 41,
972 	[V4L2_MPEG_VIDEO_H264_LEVEL_4_2] = 42,
973 	[V4L2_MPEG_VIDEO_H264_LEVEL_5_0] = 50,
974 	[V4L2_MPEG_VIDEO_H264_LEVEL_5_1] = 51
975 };
976 
977 static int vpu_windsor_set_level(struct vpu_enc_param *param, u32 level)
978 {
979 	if (level >= ARRAY_SIZE(h264_level))
980 		return -EINVAL;
981 
982 	param->level = h264_level[level];
983 
984 	return 0;
985 }
986 
987 static int vpu_windsor_set_size(struct vpu_enc_param *windsor,
988 				struct vpu_encode_params *params)
989 {
990 	windsor->src_stride = params->src_stride;
991 	windsor->src_width = params->src_width;
992 	windsor->src_height = params->src_height;
993 	windsor->src_offset_x = params->crop.left;
994 	windsor->src_offset_y = params->crop.top;
995 	windsor->src_crop_width = params->crop.width;
996 	windsor->src_crop_height = params->crop.height;
997 	windsor->out_width = params->out_width;
998 	windsor->out_height = params->out_height;
999 
1000 	return 0;
1001 }
1002 
1003 static int vpu_windsor_set_gop(struct vpu_enc_param *param, u32 gop)
1004 {
1005 	param->iframe_interval = gop;
1006 
1007 	return 0;
1008 }
1009 
1010 static int vpu_windsor_set_bframes(struct vpu_enc_param *param, u32 bframes)
1011 {
1012 	if (bframes) {
1013 		param->low_latency_mode = 0;
1014 		param->bframes = bframes;
1015 	} else {
1016 		param->low_latency_mode = 1;
1017 		param->bframes = 0;
1018 	}
1019 
1020 	return 0;
1021 }
1022 
1023 static int vpu_windsor_set_bitrate_mode(struct vpu_enc_param *param, u32 rc_enable, u32 mode)
1024 {
1025 	if (!rc_enable)
1026 		param->bitrate_mode = MEDIAIP_ENC_BITRATE_MODE_CONSTANT_QP;
1027 	else if (mode == V4L2_MPEG_VIDEO_BITRATE_MODE_VBR)
1028 		param->bitrate_mode = MEDIAIP_ENC_BITRATE_MODE_VBR;
1029 	else
1030 		param->bitrate_mode = MEDIAIP_ENC_BITRATE_MODE_CBR;
1031 
1032 	return 0;
1033 }
1034 
1035 static u32 vpu_windsor_bitrate(u32 bitrate)
1036 {
1037 	return DIV_ROUND_CLOSEST(bitrate, WINDSOR_BITRATE_UNIT);
1038 }
1039 
1040 static int vpu_windsor_set_bitrate(struct vpu_enc_param *windsor,
1041 				   struct vpu_encode_params *params)
1042 {
1043 	windsor->target_bitrate = vpu_windsor_bitrate(params->bitrate);
1044 	windsor->min_bitrate = vpu_windsor_bitrate(params->bitrate_min);
1045 	windsor->max_bitrate = vpu_windsor_bitrate(params->bitrate_max);
1046 
1047 	return 0;
1048 }
1049 
1050 static int vpu_windsor_set_qp(struct vpu_enc_expert_mode_param *expert,
1051 			      struct vpu_encode_params *params)
1052 {
1053 	expert->static_param.rate_control_islice_qp = params->i_frame_qp;
1054 	expert->static_param.rate_control_pslice_qp = params->p_frame_qp;
1055 	expert->static_param.rate_control_bslice_qp = params->b_frame_qp;
1056 
1057 	return 0;
1058 }
1059 
1060 static int vpu_windsor_set_sar(struct vpu_enc_expert_mode_param *expert,
1061 			       struct vpu_encode_params *params)
1062 {
1063 	expert->config_param.h264_aspect_ratio_present = params->sar.enable;
1064 	if (params->sar.idc == V4L2_MPEG_VIDEO_H264_VUI_SAR_IDC_EXTENDED)
1065 		expert->config_param.aspect_ratio = WINDSOR_H264_EXTENDED_SAR;
1066 	else
1067 		expert->config_param.aspect_ratio = params->sar.idc;
1068 	expert->config_param.h264_aspect_ratio_sar_width = params->sar.width;
1069 	expert->config_param.h264_aspect_ratio_sar_height = params->sar.height;
1070 
1071 	return 0;
1072 }
1073 
1074 static int vpu_windsor_set_color(struct vpu_enc_expert_mode_param *expert,
1075 				 struct vpu_encode_params *params)
1076 {
1077 	expert->config_param.h264_video_type_present = 1;
1078 	expert->config_param.h264_video_format = 5;
1079 	expert->config_param.h264_video_colour_descriptor = 1;
1080 	expert->config_param.h264_video_colour_primaries =
1081 		vpu_color_cvrt_primaries_v2i(params->color.primaries);
1082 	expert->config_param.h264_video_transfer_char =
1083 		vpu_color_cvrt_transfers_v2i(params->color.transfer);
1084 	expert->config_param.h264_video_matrix_coeff =
1085 		vpu_color_cvrt_matrix_v2i(params->color.matrix);
1086 	expert->config_param.h264_video_full_range =
1087 		vpu_color_cvrt_full_range_v2i(params->color.full_range);
1088 	return 0;
1089 }
1090 
1091 static int vpu_windsor_update_bitrate(struct vpu_shared_addr *shared,
1092 				      u32 instance, struct vpu_encode_params *params)
1093 {
1094 	struct vpu_enc_param *windsor;
1095 	struct vpu_enc_expert_mode_param *expert;
1096 
1097 	windsor = get_enc_param(shared, instance);
1098 	expert = get_expert_param(shared, instance);
1099 
1100 	if (windsor->bitrate_mode != MEDIAIP_ENC_BITRATE_MODE_CBR)
1101 		return 0;
1102 	if (!params->rc_enable)
1103 		return 0;
1104 	if (vpu_windsor_bitrate(params->bitrate) == windsor->target_bitrate)
1105 		return 0;
1106 
1107 	vpu_windsor_set_bitrate(windsor, params);
1108 	expert->static_param.rate_control_bitrate = windsor->target_bitrate;
1109 	expert->static_param.rate_control_bitrate_min = windsor->min_bitrate;
1110 	expert->static_param.rate_control_bitrate_max = windsor->max_bitrate;
1111 
1112 	return 0;
1113 }
1114 
1115 static int vpu_windsor_set_params(struct vpu_shared_addr *shared,
1116 				  u32 instance, struct vpu_encode_params *params)
1117 {
1118 	struct vpu_enc_param *windsor;
1119 	int ret;
1120 
1121 	windsor = get_enc_param(shared, instance);
1122 
1123 	if (params->input_format != V4L2_PIX_FMT_NV12 &&
1124 	    params->input_format != V4L2_PIX_FMT_NV12M)
1125 		return -EINVAL;
1126 
1127 	ret = vpu_windsor_set_format(windsor, params->codec_format);
1128 	if (ret)
1129 		return ret;
1130 	vpu_windsor_set_profile(windsor, params->profile);
1131 	vpu_windsor_set_level(windsor, params->level);
1132 	vpu_windsor_set_size(windsor, params);
1133 	vpu_windsor_set_gop(windsor, params->gop_length);
1134 	vpu_windsor_set_bframes(windsor, params->bframes);
1135 	vpu_windsor_set_bitrate_mode(windsor, params->rc_enable, params->rc_mode);
1136 	vpu_windsor_set_bitrate(windsor, params);
1137 	windsor->init_slice_qp = params->i_frame_qp;
1138 
1139 	if (!params->frame_rate.numerator)
1140 		return -EINVAL;
1141 	windsor->frame_rate = params->frame_rate.denominator / params->frame_rate.numerator;
1142 
1143 	return 0;
1144 }
1145 
1146 static int vpu_windsor_update_params(struct vpu_shared_addr *shared,
1147 				     u32 instance, struct vpu_encode_params *params)
1148 {
1149 	struct vpu_enc_expert_mode_param *expert;
1150 
1151 	expert = get_expert_param(shared, instance);
1152 
1153 	vpu_windsor_set_frame_rate(expert, params);
1154 	vpu_windsor_set_qp(expert, params);
1155 	vpu_windsor_set_sar(expert, params);
1156 	vpu_windsor_set_color(expert, params);
1157 	vpu_windsor_update_bitrate(shared, instance, params);
1158 	/*expert->config_param.iac_sc_threshold = 0;*/
1159 
1160 	return 0;
1161 }
1162 
1163 int vpu_windsor_set_encode_params(struct vpu_shared_addr *shared,
1164 				  u32 instance, struct vpu_encode_params *params, u32 update)
1165 {
1166 	if (!params)
1167 		return -EINVAL;
1168 
1169 	if (!update)
1170 		return vpu_windsor_set_params(shared, instance, params);
1171 	else
1172 		return vpu_windsor_update_params(shared, instance, params);
1173 }
1174 
1175 u32 vpu_windsor_get_max_instance_count(struct vpu_shared_addr *shared)
1176 {
1177 	struct windsor_iface *iface = shared->iface;
1178 
1179 	return iface->max_streams;
1180 }
1181