1 // SPDX-License-Identifier: GPL-2.0
2 /*
3  * Copyright (c) 2023 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/videobuf2-dma-contig.h>
10 
11 #include "../mtk_vcodec_dec.h"
12 #include "../../common/mtk_vcodec_intr.h"
13 #include "../vdec_drv_base.h"
14 #include "../vdec_drv_if.h"
15 #include "../vdec_vpu_if.h"
16 
17 /* the size used to store hevc wrap information */
18 #define VDEC_HEVC_WRAP_SZ (532 * SZ_1K)
19 
20 #define HEVC_MAX_MV_NUM 32
21 
22 /* get used parameters for sps/pps */
23 #define GET_HEVC_VDEC_FLAG(cond, flag) \
24 	{ dst_param->cond = ((src_param->flags & (flag)) ? (1) : (0)); }
25 #define GET_HEVC_VDEC_PARAM(param) \
26 	{ dst_param->param = src_param->param; }
27 
28 /**
29  * enum vdec_hevc_core_dec_err_type  - core decode error type
30  *
31  * @TRANS_BUFFER_FULL: trans buffer is full
32  * @SLICE_HEADER_FULL: slice header buffer is full
33  */
34 enum vdec_hevc_core_dec_err_type {
35 	TRANS_BUFFER_FULL = 1,
36 	SLICE_HEADER_FULL,
37 };
38 
39 /**
40  * struct mtk_hevc_dpb_info  - hevc dpb information
41  *
42  * @y_dma_addr:     Y plane physical address
43  * @c_dma_addr:     CbCr plane physical address
44  * @reference_flag: reference picture flag (short/long term reference picture)
45  * @field:          field picture flag
46  */
47 struct mtk_hevc_dpb_info {
48 	dma_addr_t y_dma_addr;
49 	dma_addr_t c_dma_addr;
50 	int reference_flag;
51 	int field;
52 };
53 
54 /*
55  * struct mtk_hevc_sps_param  - parameters for sps
56  */
57 struct mtk_hevc_sps_param {
58 	unsigned char video_parameter_set_id;
59 	unsigned char seq_parameter_set_id;
60 	unsigned short pic_width_in_luma_samples;
61 	unsigned short pic_height_in_luma_samples;
62 	unsigned char bit_depth_luma_minus8;
63 	unsigned char bit_depth_chroma_minus8;
64 	unsigned char log2_max_pic_order_cnt_lsb_minus4;
65 	unsigned char sps_max_dec_pic_buffering_minus1;
66 	unsigned char sps_max_num_reorder_pics;
67 	unsigned char sps_max_latency_increase_plus1;
68 	unsigned char log2_min_luma_coding_block_size_minus3;
69 	unsigned char log2_diff_max_min_luma_coding_block_size;
70 	unsigned char log2_min_luma_transform_block_size_minus2;
71 	unsigned char log2_diff_max_min_luma_transform_block_size;
72 	unsigned char max_transform_hierarchy_depth_inter;
73 	unsigned char max_transform_hierarchy_depth_intra;
74 	unsigned char pcm_sample_bit_depth_luma_minus1;
75 	unsigned char pcm_sample_bit_depth_chroma_minus1;
76 	unsigned char log2_min_pcm_luma_coding_block_size_minus3;
77 	unsigned char log2_diff_max_min_pcm_luma_coding_block_size;
78 	unsigned char num_short_term_ref_pic_sets;
79 	unsigned char num_long_term_ref_pics_sps;
80 	unsigned char chroma_format_idc;
81 	unsigned char sps_max_sub_layers_minus1;
82 	unsigned char separate_colour_plane;
83 	unsigned char scaling_list_enabled;
84 	unsigned char amp_enabled;
85 	unsigned char sample_adaptive_offset;
86 	unsigned char pcm_enabled;
87 	unsigned char pcm_loop_filter_disabled;
88 	unsigned char long_term_ref_pics_enabled;
89 	unsigned char sps_temporal_mvp_enabled;
90 	unsigned char strong_intra_smoothing_enabled;
91 	unsigned char reserved[5];
92 };
93 
94 /*
95  * struct mtk_hevc_pps_param  - parameters for pps
96  */
97 struct mtk_hevc_pps_param {
98 	unsigned char pic_parameter_set_id;
99 	unsigned char num_extra_slice_header_bits;
100 	unsigned char num_ref_idx_l0_default_active_minus1;
101 	unsigned char num_ref_idx_l1_default_active_minus1;
102 	char init_qp_minus26;
103 	unsigned char diff_cu_qp_delta_depth;
104 	char pps_cb_qp_offset;
105 	char pps_cr_qp_offset;
106 	unsigned char num_tile_columns_minus1;
107 	unsigned char num_tile_rows_minus1;
108 	unsigned char column_width_minus1[20];
109 	unsigned char row_height_minus1[22];
110 	char pps_beta_offset_div2;
111 	char pps_tc_offset_div2;
112 	unsigned char log2_parallel_merge_level_minus2;
113 	char dependent_slice_segment_enabled;
114 	char output_flag_present;
115 	char sign_data_hiding_enabled;
116 	char cabac_init_present;
117 	char constrained_intra_pred;
118 	char transform_skip_enabled;
119 	char cu_qp_delta_enabled;
120 	char pps_slice_chroma_qp_offsets_present;
121 	char weighted_pred;
122 	char weighted_bipred;
123 	char transquant_bypass_enabled;
124 	char pps_flag_tiles_enabled;
125 	char entropy_coding_sync_enabled;
126 	char loop_filter_across_tiles_enabled;
127 	char pps_loop_filter_across_slices_enabled;
128 	char deblocking_filter_override_enabled;
129 	char pps_disable_deflocking_filter;
130 	char lists_modification_present;
131 	char slice_segment_header_extersion_present;
132 	char deblocking_filter_control_present;
133 	char uniform_spacing;
134 	char reserved[6];
135 };
136 
137 /*
138  * struct mtk_hevc_slice_header_param  - parameters for slice header
139  */
140 struct mtk_hevc_slice_header_param {
141 	unsigned int	slice_type;
142 	unsigned int	num_active_ref_layer_pics;
143 	int		slice_qp;
144 	int		slice_qp_delta_cb;
145 	int		slice_qp_delta_cr;
146 	int		num_ref_idx[3];
147 	unsigned int	col_ref_idx;
148 	unsigned int	five_minus_max_num_merge_cand;
149 	int		slice_deblocking_filter_beta_offset_div2;
150 	int		slice_deblocking_filter_tc_offset_div2;
151 	unsigned char	sao_enable_flag;
152 	unsigned char	sao_enable_flag_chroma;
153 	unsigned char	cabac_init_flag;
154 	unsigned char	slice_tmvp_flags_present;
155 	unsigned char	col_from_l0_flag;
156 	unsigned char	mvd_l1_zero_flag;
157 	unsigned char	slice_loop_filter_across_slices_enabled_flag;
158 	unsigned char	deblocking_filter_disable_flag;
159 	unsigned int	slice_reg0;
160 	unsigned int	slice_reg1;
161 	unsigned int	slice_reg2;
162 	unsigned int	num_rps_curr_temp_list;
163 	unsigned int	ref_list_mode;
164 	int		str_num_delta_pocs;
165 	int		str_num_negtive_pos_pics;
166 	int		num_long_term;
167 	int		num_long_term_sps;
168 	unsigned int	max_cu_width;
169 	unsigned int	max_cu_height;
170 	unsigned int	num_entry_point_offsets;
171 	unsigned int    last_lcu_x_in_tile[17];
172 	unsigned int    last_lcu_y_in_tile[17];
173 	unsigned char   nal_unit_type;
174 };
175 
176 /*
177  * struct slice_api_hevc_scaling_matrix  - parameters for scaling list
178  */
179 struct slice_api_hevc_scaling_matrix {
180 	unsigned char scaling_list_4x4[6][16];
181 	unsigned char scaling_list_8x8[6][64];
182 	unsigned char scaling_list_16x16[6][64];
183 	unsigned char scaling_list_32x32[2][64];
184 	unsigned char scaling_list_dc_coef_16x16[6];
185 	unsigned char scaling_list_dc_coef_32x32[2];
186 };
187 
188 /*
189  * struct slice_hevc_dpb_entry  - each dpb information
190  */
191 struct slice_hevc_dpb_entry {
192 	u64 timestamp;
193 	unsigned char flags;
194 	unsigned char field_pic;
195 	int pic_order_cnt_val;
196 };
197 
198 /*
199  * struct slice_api_hevc_decode_param - parameters for decode.
200  */
201 struct slice_api_hevc_decode_param {
202 	struct slice_hevc_dpb_entry dpb[V4L2_HEVC_DPB_ENTRIES_NUM_MAX];
203 	int pic_order_cnt_val;
204 	unsigned short short_term_ref_pic_set_size;
205 	unsigned short long_term_ref_pic_set_size;
206 	unsigned char num_active_dpb_entries;
207 	unsigned char num_poc_st_curr_before;
208 	unsigned char num_poc_st_curr_after;
209 	unsigned char num_poc_lt_curr;
210 	unsigned char poc_st_curr_before[V4L2_HEVC_DPB_ENTRIES_NUM_MAX];
211 	unsigned char poc_st_curr_after[V4L2_HEVC_DPB_ENTRIES_NUM_MAX];
212 	unsigned char poc_lt_curr[V4L2_HEVC_DPB_ENTRIES_NUM_MAX];
213 	unsigned char num_delta_pocs_of_ref_rps_idx;
214 	int flags;
215 };
216 
217 /**
218  * struct hevc_fb - hevc decode frame buffer information
219  *
220  * @vdec_fb_va: virtual address of struct vdec_fb
221  * @y_fb_dma:   dma address of Y frame buffer (luma)
222  * @c_fb_dma:   dma address of C frame buffer (chroma)
223  * @poc:        picture order count of frame buffer
224  * @reserved:   for 8 bytes alignment
225  */
226 struct hevc_fb {
227 	u64 vdec_fb_va;
228 	u64 y_fb_dma;
229 	u64 c_fb_dma;
230 	s32 poc;
231 	u32 reserved;
232 };
233 
234 /**
235  * struct vdec_hevc_slice_lat_dec_param  - parameters for decode current frame
236  *
237  * @sps:            hevc sps syntax parameters
238  * @pps:            hevc pps syntax parameters
239  * @slice_header:   hevc slice header syntax parameters
240  * @scaling_matrix: hevc scaling list parameters
241  * @decode_params:  decoder parameters of each frame used for hardware decode
242  * @hevc_dpb_info:  dpb reference list
243  */
244 struct vdec_hevc_slice_lat_dec_param {
245 	struct mtk_hevc_sps_param sps;
246 	struct mtk_hevc_pps_param pps;
247 	struct mtk_hevc_slice_header_param slice_header;
248 	struct slice_api_hevc_scaling_matrix scaling_matrix;
249 	struct slice_api_hevc_decode_param decode_params;
250 	struct mtk_hevc_dpb_info hevc_dpb_info[V4L2_HEVC_DPB_ENTRIES_NUM_MAX];
251 };
252 
253 /**
254  * struct vdec_hevc_slice_info - decode information
255  *
256  * @wdma_end_addr_offset: wdma end address offset
257  * @timeout:              Decode timeout: 1 timeout, 0 no timeount
258  * @vdec_fb_va:           VDEC frame buffer struct virtual address
259  * @crc:                  Used to check whether hardware's status is right
260  */
261 struct vdec_hevc_slice_info {
262 	u64 wdma_end_addr_offset;
263 	u64 timeout;
264 	u64 vdec_fb_va;
265 	u32 crc[8];
266 };
267 
268 /*
269  * struct vdec_hevc_slice_mem - memory address and size
270  */
271 struct vdec_hevc_slice_mem {
272 	union {
273 		u64 buf;
274 		dma_addr_t dma_addr;
275 	};
276 	union {
277 		size_t size;
278 		dma_addr_t dma_addr_end;
279 		u64 padding;
280 	};
281 };
282 
283 /**
284  * struct vdec_hevc_slice_fb - frame buffer for decoding
285  * @y:  current y buffer address info
286  * @c:  current c buffer address info
287  */
288 struct vdec_hevc_slice_fb {
289 	struct vdec_hevc_slice_mem y;
290 	struct vdec_hevc_slice_mem c;
291 };
292 
293 /**
294  * struct vdec_hevc_slice_vsi - shared memory for decode information exchange
295  *        between SCP and Host.
296  *
297  * @bs:                input buffer info
298  *
299  * @ube:               ube buffer
300  * @trans:             transcoded buffer
301  * @err_map:           err map buffer
302  * @slice_bc:          slice bc buffer
303  * @wrap:              temp buffer
304  *
305  * @fb:                current y/c buffer
306  * @mv_buf_dma:        HW working motion vector buffer
307  * @dec:               decode information (AP-R, VPU-W)
308  * @hevc_slice_params: decode parameters for hw used
309  */
310 struct vdec_hevc_slice_vsi {
311 	/* used in LAT stage */
312 	struct vdec_hevc_slice_mem bs;
313 
314 	struct vdec_hevc_slice_mem ube;
315 	struct vdec_hevc_slice_mem trans;
316 	struct vdec_hevc_slice_mem err_map;
317 	struct vdec_hevc_slice_mem slice_bc;
318 	struct vdec_hevc_slice_mem wrap;
319 
320 	struct vdec_hevc_slice_fb fb;
321 	struct vdec_hevc_slice_mem mv_buf_dma[HEVC_MAX_MV_NUM];
322 	struct vdec_hevc_slice_info dec;
323 	struct vdec_hevc_slice_lat_dec_param hevc_slice_params;
324 };
325 
326 /**
327  * struct vdec_hevc_slice_share_info - shared information used to exchange
328  *                                     message between lat and core
329  *
330  * @sps:               sequence header information from user space
331  * @dec_params:        decoder params from user space
332  * @hevc_slice_params: decoder params used for hardware
333  * @trans:             trans buffer dma address
334  */
335 struct vdec_hevc_slice_share_info {
336 	struct v4l2_ctrl_hevc_sps sps;
337 	struct v4l2_ctrl_hevc_decode_params dec_params;
338 	struct vdec_hevc_slice_lat_dec_param hevc_slice_params;
339 	struct vdec_hevc_slice_mem trans;
340 };
341 
342 /**
343  * struct vdec_hevc_slice_inst - hevc decoder instance
344  *
345  * @slice_dec_num:      how many picture be decoded
346  * @ctx:                point to mtk_vcodec_dec_ctx
347  * @mv_buf:             HW working motion vector buffer
348  * @vpu:                VPU instance
349  * @vsi:                vsi used for lat
350  * @vsi_core:           vsi used for core
351  * @wrap_addr:          wrap address used for hevc
352  *
353  * @hevc_slice_param:   the parameters that hardware use to decode
354  *
355  * @resolution_changed: resolution changed
356  * @realloc_mv_buf:     reallocate mv buffer
357  * @cap_num_planes:     number of capture queue plane
358  */
359 struct vdec_hevc_slice_inst {
360 	unsigned int slice_dec_num;
361 	struct mtk_vcodec_dec_ctx *ctx;
362 	struct mtk_vcodec_mem mv_buf[HEVC_MAX_MV_NUM];
363 	struct vdec_vpu_inst vpu;
364 	struct vdec_hevc_slice_vsi *vsi;
365 	struct vdec_hevc_slice_vsi *vsi_core;
366 	struct mtk_vcodec_mem wrap_addr;
367 
368 	struct vdec_hevc_slice_lat_dec_param hevc_slice_param;
369 
370 	unsigned int resolution_changed;
371 	unsigned int realloc_mv_buf;
372 	unsigned int cap_num_planes;
373 };
374 
vdec_hevc_get_mv_buf_size(unsigned int width,unsigned int height)375 static unsigned int vdec_hevc_get_mv_buf_size(unsigned int width, unsigned int height)
376 {
377 	const unsigned int unit_size = (width / 16) * (height / 16) + 8;
378 
379 	return 64 * unit_size;
380 }
381 
vdec_hevc_get_ctrl_ptr(struct mtk_vcodec_dec_ctx * ctx,int id)382 static void *vdec_hevc_get_ctrl_ptr(struct mtk_vcodec_dec_ctx *ctx, int id)
383 {
384 	struct v4l2_ctrl *ctrl = v4l2_ctrl_find(&ctx->ctrl_hdl, id);
385 
386 	if (!ctrl)
387 		return ERR_PTR(-EINVAL);
388 
389 	return ctrl->p_cur.p;
390 }
391 
vdec_hevc_fill_dpb_info(struct mtk_vcodec_dec_ctx * ctx,struct slice_api_hevc_decode_param * decode_params,struct mtk_hevc_dpb_info * hevc_dpb_info)392 static void vdec_hevc_fill_dpb_info(struct mtk_vcodec_dec_ctx *ctx,
393 				    struct slice_api_hevc_decode_param *decode_params,
394 				    struct mtk_hevc_dpb_info *hevc_dpb_info)
395 {
396 	const struct slice_hevc_dpb_entry *dpb;
397 	struct vb2_queue *vq;
398 	struct vb2_buffer *vb;
399 	int index;
400 
401 	vq = v4l2_m2m_get_vq(ctx->m2m_ctx, V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE);
402 	for (index = 0; index < V4L2_HEVC_DPB_ENTRIES_NUM_MAX; index++) {
403 		dpb = &decode_params->dpb[index];
404 		if (index >= decode_params->num_active_dpb_entries)
405 			continue;
406 
407 		vb = vb2_find_buffer(vq, dpb->timestamp);
408 		if (!vb) {
409 			dev_err(&ctx->dev->plat_dev->dev,
410 				"Reference invalid: dpb_index(%d) timestamp(%lld)",
411 				index, dpb->timestamp);
412 			continue;
413 		}
414 
415 		hevc_dpb_info[index].field = dpb->field_pic;
416 
417 		hevc_dpb_info[index].y_dma_addr = vb2_dma_contig_plane_dma_addr(vb, 0);
418 		if (ctx->q_data[MTK_Q_DATA_DST].fmt->num_planes == 2)
419 			hevc_dpb_info[index].c_dma_addr = vb2_dma_contig_plane_dma_addr(vb, 1);
420 		else
421 			hevc_dpb_info[index].c_dma_addr =
422 				hevc_dpb_info[index].y_dma_addr + ctx->picinfo.fb_sz[0];
423 	}
424 }
425 
vdec_hevc_copy_sps_params(struct mtk_hevc_sps_param * dst_param,const struct v4l2_ctrl_hevc_sps * src_param)426 static void vdec_hevc_copy_sps_params(struct mtk_hevc_sps_param *dst_param,
427 				      const struct v4l2_ctrl_hevc_sps *src_param)
428 {
429 	GET_HEVC_VDEC_PARAM(video_parameter_set_id);
430 	GET_HEVC_VDEC_PARAM(seq_parameter_set_id);
431 	GET_HEVC_VDEC_PARAM(pic_width_in_luma_samples);
432 	GET_HEVC_VDEC_PARAM(pic_height_in_luma_samples);
433 	GET_HEVC_VDEC_PARAM(bit_depth_luma_minus8);
434 	GET_HEVC_VDEC_PARAM(bit_depth_chroma_minus8);
435 	GET_HEVC_VDEC_PARAM(log2_max_pic_order_cnt_lsb_minus4);
436 	GET_HEVC_VDEC_PARAM(sps_max_dec_pic_buffering_minus1);
437 	GET_HEVC_VDEC_PARAM(sps_max_num_reorder_pics);
438 	GET_HEVC_VDEC_PARAM(sps_max_latency_increase_plus1);
439 	GET_HEVC_VDEC_PARAM(log2_min_luma_coding_block_size_minus3);
440 	GET_HEVC_VDEC_PARAM(log2_diff_max_min_luma_coding_block_size);
441 	GET_HEVC_VDEC_PARAM(log2_min_luma_transform_block_size_minus2);
442 	GET_HEVC_VDEC_PARAM(log2_diff_max_min_luma_transform_block_size);
443 	GET_HEVC_VDEC_PARAM(max_transform_hierarchy_depth_inter);
444 	GET_HEVC_VDEC_PARAM(max_transform_hierarchy_depth_intra);
445 	GET_HEVC_VDEC_PARAM(pcm_sample_bit_depth_luma_minus1);
446 	GET_HEVC_VDEC_PARAM(pcm_sample_bit_depth_chroma_minus1);
447 	GET_HEVC_VDEC_PARAM(log2_min_pcm_luma_coding_block_size_minus3);
448 	GET_HEVC_VDEC_PARAM(log2_diff_max_min_pcm_luma_coding_block_size);
449 	GET_HEVC_VDEC_PARAM(num_short_term_ref_pic_sets);
450 	GET_HEVC_VDEC_PARAM(num_long_term_ref_pics_sps);
451 	GET_HEVC_VDEC_PARAM(chroma_format_idc);
452 	GET_HEVC_VDEC_PARAM(sps_max_sub_layers_minus1);
453 
454 	GET_HEVC_VDEC_FLAG(separate_colour_plane,
455 			   V4L2_HEVC_SPS_FLAG_SEPARATE_COLOUR_PLANE);
456 	GET_HEVC_VDEC_FLAG(scaling_list_enabled,
457 			   V4L2_HEVC_SPS_FLAG_SCALING_LIST_ENABLED);
458 	GET_HEVC_VDEC_FLAG(amp_enabled,
459 			   V4L2_HEVC_SPS_FLAG_AMP_ENABLED);
460 	GET_HEVC_VDEC_FLAG(sample_adaptive_offset,
461 			   V4L2_HEVC_SPS_FLAG_SAMPLE_ADAPTIVE_OFFSET);
462 	GET_HEVC_VDEC_FLAG(pcm_enabled,
463 			   V4L2_HEVC_SPS_FLAG_PCM_ENABLED);
464 	GET_HEVC_VDEC_FLAG(pcm_loop_filter_disabled,
465 			   V4L2_HEVC_SPS_FLAG_PCM_LOOP_FILTER_DISABLED);
466 	GET_HEVC_VDEC_FLAG(long_term_ref_pics_enabled,
467 			   V4L2_HEVC_SPS_FLAG_LONG_TERM_REF_PICS_PRESENT);
468 	GET_HEVC_VDEC_FLAG(sps_temporal_mvp_enabled,
469 			   V4L2_HEVC_SPS_FLAG_SPS_TEMPORAL_MVP_ENABLED);
470 	GET_HEVC_VDEC_FLAG(strong_intra_smoothing_enabled,
471 			   V4L2_HEVC_SPS_FLAG_STRONG_INTRA_SMOOTHING_ENABLED);
472 }
473 
vdec_hevc_copy_pps_params(struct mtk_hevc_pps_param * dst_param,const struct v4l2_ctrl_hevc_pps * src_param)474 static void vdec_hevc_copy_pps_params(struct mtk_hevc_pps_param *dst_param,
475 				      const struct v4l2_ctrl_hevc_pps *src_param)
476 {
477 	int i;
478 
479 	GET_HEVC_VDEC_PARAM(pic_parameter_set_id);
480 	GET_HEVC_VDEC_PARAM(num_extra_slice_header_bits);
481 	GET_HEVC_VDEC_PARAM(num_ref_idx_l0_default_active_minus1);
482 	GET_HEVC_VDEC_PARAM(num_ref_idx_l1_default_active_minus1);
483 	GET_HEVC_VDEC_PARAM(init_qp_minus26);
484 	GET_HEVC_VDEC_PARAM(diff_cu_qp_delta_depth);
485 	GET_HEVC_VDEC_PARAM(pps_cb_qp_offset);
486 	GET_HEVC_VDEC_PARAM(pps_cr_qp_offset);
487 	GET_HEVC_VDEC_PARAM(num_tile_columns_minus1);
488 	GET_HEVC_VDEC_PARAM(num_tile_rows_minus1);
489 	GET_HEVC_VDEC_PARAM(init_qp_minus26);
490 	GET_HEVC_VDEC_PARAM(diff_cu_qp_delta_depth);
491 	GET_HEVC_VDEC_PARAM(pic_parameter_set_id);
492 	GET_HEVC_VDEC_PARAM(num_extra_slice_header_bits);
493 	GET_HEVC_VDEC_PARAM(num_ref_idx_l0_default_active_minus1);
494 	GET_HEVC_VDEC_PARAM(num_ref_idx_l1_default_active_minus1);
495 	GET_HEVC_VDEC_PARAM(pps_beta_offset_div2);
496 	GET_HEVC_VDEC_PARAM(pps_tc_offset_div2);
497 	GET_HEVC_VDEC_PARAM(log2_parallel_merge_level_minus2);
498 
499 	for (i = 0; i < ARRAY_SIZE(src_param->column_width_minus1); i++)
500 		GET_HEVC_VDEC_PARAM(column_width_minus1[i]);
501 	for (i = 0; i < ARRAY_SIZE(src_param->row_height_minus1); i++)
502 		GET_HEVC_VDEC_PARAM(row_height_minus1[i]);
503 
504 	GET_HEVC_VDEC_FLAG(dependent_slice_segment_enabled,
505 			   V4L2_HEVC_PPS_FLAG_DEPENDENT_SLICE_SEGMENT_ENABLED);
506 	GET_HEVC_VDEC_FLAG(output_flag_present,
507 			   V4L2_HEVC_PPS_FLAG_OUTPUT_FLAG_PRESENT);
508 	GET_HEVC_VDEC_FLAG(sign_data_hiding_enabled,
509 			   V4L2_HEVC_PPS_FLAG_SIGN_DATA_HIDING_ENABLED);
510 	GET_HEVC_VDEC_FLAG(cabac_init_present,
511 			   V4L2_HEVC_PPS_FLAG_CABAC_INIT_PRESENT);
512 	GET_HEVC_VDEC_FLAG(constrained_intra_pred,
513 			   V4L2_HEVC_PPS_FLAG_CONSTRAINED_INTRA_PRED);
514 	GET_HEVC_VDEC_FLAG(transform_skip_enabled,
515 			   V4L2_HEVC_PPS_FLAG_TRANSFORM_SKIP_ENABLED);
516 	GET_HEVC_VDEC_FLAG(cu_qp_delta_enabled,
517 			   V4L2_HEVC_PPS_FLAG_CU_QP_DELTA_ENABLED);
518 	GET_HEVC_VDEC_FLAG(pps_slice_chroma_qp_offsets_present,
519 			   V4L2_HEVC_PPS_FLAG_PPS_SLICE_CHROMA_QP_OFFSETS_PRESENT);
520 	GET_HEVC_VDEC_FLAG(weighted_pred,
521 			   V4L2_HEVC_PPS_FLAG_WEIGHTED_PRED);
522 	GET_HEVC_VDEC_FLAG(weighted_bipred,
523 			   V4L2_HEVC_PPS_FLAG_WEIGHTED_BIPRED);
524 	GET_HEVC_VDEC_FLAG(transquant_bypass_enabled,
525 			   V4L2_HEVC_PPS_FLAG_TRANSQUANT_BYPASS_ENABLED);
526 	GET_HEVC_VDEC_FLAG(pps_flag_tiles_enabled,
527 			   V4L2_HEVC_PPS_FLAG_TILES_ENABLED);
528 	GET_HEVC_VDEC_FLAG(entropy_coding_sync_enabled,
529 			   V4L2_HEVC_PPS_FLAG_ENTROPY_CODING_SYNC_ENABLED);
530 	GET_HEVC_VDEC_FLAG(loop_filter_across_tiles_enabled,
531 			   V4L2_HEVC_PPS_FLAG_LOOP_FILTER_ACROSS_TILES_ENABLED);
532 	GET_HEVC_VDEC_FLAG(pps_loop_filter_across_slices_enabled,
533 			   V4L2_HEVC_PPS_FLAG_PPS_LOOP_FILTER_ACROSS_SLICES_ENABLED);
534 	GET_HEVC_VDEC_FLAG(deblocking_filter_override_enabled,
535 			   V4L2_HEVC_PPS_FLAG_DEBLOCKING_FILTER_OVERRIDE_ENABLED);
536 	GET_HEVC_VDEC_FLAG(pps_disable_deflocking_filter,
537 			   V4L2_HEVC_PPS_FLAG_PPS_DISABLE_DEBLOCKING_FILTER);
538 	GET_HEVC_VDEC_FLAG(lists_modification_present,
539 			   V4L2_HEVC_PPS_FLAG_LISTS_MODIFICATION_PRESENT);
540 	GET_HEVC_VDEC_FLAG(slice_segment_header_extersion_present,
541 			   V4L2_HEVC_PPS_FLAG_SLICE_SEGMENT_HEADER_EXTENSION_PRESENT);
542 	GET_HEVC_VDEC_FLAG(deblocking_filter_control_present,
543 			   V4L2_HEVC_PPS_FLAG_DEBLOCKING_FILTER_CONTROL_PRESENT);
544 	GET_HEVC_VDEC_FLAG(uniform_spacing,
545 			   V4L2_HEVC_PPS_FLAG_UNIFORM_SPACING);
546 }
547 
vdec_hevc_copy_scaling_matrix(struct slice_api_hevc_scaling_matrix * dst_matrix,const struct v4l2_ctrl_hevc_scaling_matrix * src_matrix)548 static void vdec_hevc_copy_scaling_matrix(struct slice_api_hevc_scaling_matrix *dst_matrix,
549 					  const struct v4l2_ctrl_hevc_scaling_matrix *src_matrix)
550 {
551 	memcpy(dst_matrix, src_matrix, sizeof(*src_matrix));
552 }
553 
554 static void
vdec_hevc_copy_decode_params(struct slice_api_hevc_decode_param * dst_param,const struct v4l2_ctrl_hevc_decode_params * src_param,const struct v4l2_hevc_dpb_entry dpb[V4L2_HEVC_DPB_ENTRIES_NUM_MAX])555 vdec_hevc_copy_decode_params(struct slice_api_hevc_decode_param *dst_param,
556 			     const struct v4l2_ctrl_hevc_decode_params *src_param,
557 			     const struct v4l2_hevc_dpb_entry dpb[V4L2_HEVC_DPB_ENTRIES_NUM_MAX])
558 {
559 	struct slice_hevc_dpb_entry *dst_entry;
560 	const struct v4l2_hevc_dpb_entry *src_entry;
561 	int i;
562 
563 	for (i = 0; i < ARRAY_SIZE(dst_param->dpb); i++) {
564 		dst_entry = &dst_param->dpb[i];
565 		src_entry = &dpb[i];
566 
567 		dst_entry->timestamp = src_entry->timestamp;
568 		dst_entry->flags = src_entry->flags;
569 		dst_entry->field_pic = src_entry->field_pic;
570 		dst_entry->pic_order_cnt_val = src_entry->pic_order_cnt_val;
571 
572 		GET_HEVC_VDEC_PARAM(poc_st_curr_before[i]);
573 		GET_HEVC_VDEC_PARAM(poc_st_curr_after[i]);
574 		GET_HEVC_VDEC_PARAM(poc_lt_curr[i]);
575 	}
576 
577 	GET_HEVC_VDEC_PARAM(pic_order_cnt_val);
578 	GET_HEVC_VDEC_PARAM(short_term_ref_pic_set_size);
579 	GET_HEVC_VDEC_PARAM(long_term_ref_pic_set_size);
580 	GET_HEVC_VDEC_PARAM(num_active_dpb_entries);
581 	GET_HEVC_VDEC_PARAM(num_poc_st_curr_before);
582 	GET_HEVC_VDEC_PARAM(num_poc_st_curr_after);
583 	GET_HEVC_VDEC_PARAM(num_delta_pocs_of_ref_rps_idx);
584 	GET_HEVC_VDEC_PARAM(num_poc_lt_curr);
585 	GET_HEVC_VDEC_PARAM(flags);
586 }
587 
vdec_hevc_slice_fill_decode_parameters(struct vdec_hevc_slice_inst * inst,struct vdec_hevc_slice_share_info * share_info)588 static int vdec_hevc_slice_fill_decode_parameters(struct vdec_hevc_slice_inst *inst,
589 						  struct vdec_hevc_slice_share_info *share_info)
590 {
591 	struct vdec_hevc_slice_lat_dec_param *slice_param = &inst->vsi->hevc_slice_params;
592 	const struct v4l2_ctrl_hevc_decode_params *dec_params;
593 	const struct v4l2_ctrl_hevc_scaling_matrix *src_matrix;
594 	const struct v4l2_ctrl_hevc_sps *sps;
595 	const struct v4l2_ctrl_hevc_pps *pps;
596 
597 	dec_params =
598 		vdec_hevc_get_ctrl_ptr(inst->ctx, V4L2_CID_STATELESS_HEVC_DECODE_PARAMS);
599 	if (IS_ERR(dec_params))
600 		return PTR_ERR(dec_params);
601 
602 	src_matrix =
603 		vdec_hevc_get_ctrl_ptr(inst->ctx, V4L2_CID_STATELESS_HEVC_SCALING_MATRIX);
604 	if (IS_ERR(src_matrix))
605 		return PTR_ERR(src_matrix);
606 
607 	sps = vdec_hevc_get_ctrl_ptr(inst->ctx, V4L2_CID_STATELESS_HEVC_SPS);
608 	if (IS_ERR(sps))
609 		return PTR_ERR(sps);
610 
611 	pps = vdec_hevc_get_ctrl_ptr(inst->ctx, V4L2_CID_STATELESS_HEVC_PPS);
612 	if (IS_ERR(pps))
613 		return PTR_ERR(pps);
614 
615 	vdec_hevc_copy_sps_params(&slice_param->sps, sps);
616 	vdec_hevc_copy_pps_params(&slice_param->pps, pps);
617 	vdec_hevc_copy_scaling_matrix(&slice_param->scaling_matrix, src_matrix);
618 
619 	memcpy(&share_info->sps, sps, sizeof(*sps));
620 	memcpy(&share_info->dec_params, dec_params, sizeof(*dec_params));
621 
622 	slice_param->decode_params.num_poc_st_curr_before = dec_params->num_poc_st_curr_before;
623 	slice_param->decode_params.num_poc_st_curr_after = dec_params->num_poc_st_curr_after;
624 	slice_param->decode_params.num_poc_lt_curr = dec_params->num_poc_lt_curr;
625 	slice_param->decode_params.num_delta_pocs_of_ref_rps_idx =
626 		dec_params->num_delta_pocs_of_ref_rps_idx;
627 
628 	return 0;
629 }
630 
vdec_hevc_slice_fill_decode_reflist(struct vdec_hevc_slice_inst * inst,struct vdec_hevc_slice_lat_dec_param * slice_param,struct vdec_hevc_slice_share_info * share_info)631 static void vdec_hevc_slice_fill_decode_reflist(struct vdec_hevc_slice_inst *inst,
632 						struct vdec_hevc_slice_lat_dec_param *slice_param,
633 						struct vdec_hevc_slice_share_info *share_info)
634 {
635 	struct v4l2_ctrl_hevc_decode_params *dec_params = &share_info->dec_params;
636 
637 	vdec_hevc_copy_decode_params(&slice_param->decode_params, dec_params,
638 				     share_info->dec_params.dpb);
639 
640 	vdec_hevc_fill_dpb_info(inst->ctx, &slice_param->decode_params,
641 				slice_param->hevc_dpb_info);
642 }
643 
vdec_hevc_slice_alloc_mv_buf(struct vdec_hevc_slice_inst * inst,struct vdec_pic_info * pic)644 static int vdec_hevc_slice_alloc_mv_buf(struct vdec_hevc_slice_inst *inst,
645 					struct vdec_pic_info *pic)
646 {
647 	unsigned int buf_sz = vdec_hevc_get_mv_buf_size(pic->buf_w, pic->buf_h);
648 	struct mtk_vcodec_mem *mem;
649 	int i, err;
650 
651 	mtk_v4l2_vdec_dbg(3, inst->ctx, "allocate mv buffer size = 0x%x", buf_sz);
652 	for (i = 0; i < HEVC_MAX_MV_NUM; i++) {
653 		mem = &inst->mv_buf[i];
654 		if (mem->va)
655 			mtk_vcodec_mem_free(inst->ctx, mem);
656 		mem->size = buf_sz;
657 		err = mtk_vcodec_mem_alloc(inst->ctx, mem);
658 		if (err) {
659 			mtk_vdec_err(inst->ctx, "failed to allocate mv buf");
660 			return err;
661 		}
662 	}
663 
664 	return 0;
665 }
666 
vdec_hevc_slice_free_mv_buf(struct vdec_hevc_slice_inst * inst)667 static void vdec_hevc_slice_free_mv_buf(struct vdec_hevc_slice_inst *inst)
668 {
669 	int i;
670 	struct mtk_vcodec_mem *mem;
671 
672 	for (i = 0; i < HEVC_MAX_MV_NUM; i++) {
673 		mem = &inst->mv_buf[i];
674 		if (mem->va)
675 			mtk_vcodec_mem_free(inst->ctx, mem);
676 	}
677 }
678 
vdec_hevc_slice_get_pic_info(struct vdec_hevc_slice_inst * inst)679 static void vdec_hevc_slice_get_pic_info(struct vdec_hevc_slice_inst *inst)
680 {
681 	struct mtk_vcodec_dec_ctx *ctx = inst->ctx;
682 	u32 data[3];
683 
684 	data[0] = ctx->picinfo.pic_w;
685 	data[1] = ctx->picinfo.pic_h;
686 	data[2] = ctx->capture_fourcc;
687 	vpu_dec_get_param(&inst->vpu, data, 3, GET_PARAM_PIC_INFO);
688 
689 	ctx->picinfo.buf_w = ALIGN(ctx->picinfo.pic_w, VCODEC_DEC_ALIGNED_64);
690 	ctx->picinfo.buf_h = ALIGN(ctx->picinfo.pic_h, VCODEC_DEC_ALIGNED_64);
691 	ctx->picinfo.fb_sz[0] = inst->vpu.fb_sz[0];
692 	ctx->picinfo.fb_sz[1] = inst->vpu.fb_sz[1];
693 	inst->cap_num_planes =
694 		ctx->q_data[MTK_Q_DATA_DST].fmt->num_planes;
695 
696 	mtk_vdec_debug(ctx, "pic(%d, %d), buf(%d, %d)",
697 		       ctx->picinfo.pic_w, ctx->picinfo.pic_h,
698 		       ctx->picinfo.buf_w, ctx->picinfo.buf_h);
699 	mtk_vdec_debug(ctx, "Y/C(%d, %d)", ctx->picinfo.fb_sz[0],
700 		       ctx->picinfo.fb_sz[1]);
701 
702 	if (ctx->last_decoded_picinfo.pic_w != ctx->picinfo.pic_w ||
703 	    ctx->last_decoded_picinfo.pic_h != ctx->picinfo.pic_h) {
704 		inst->resolution_changed = true;
705 		if (ctx->last_decoded_picinfo.buf_w != ctx->picinfo.buf_w ||
706 		    ctx->last_decoded_picinfo.buf_h != ctx->picinfo.buf_h)
707 			inst->realloc_mv_buf = true;
708 
709 		mtk_v4l2_vdec_dbg(1, inst->ctx, "resChg: (%d %d) : old(%d, %d) -> new(%d, %d)",
710 				  inst->resolution_changed,
711 				  inst->realloc_mv_buf,
712 				  ctx->last_decoded_picinfo.pic_w,
713 				  ctx->last_decoded_picinfo.pic_h,
714 				  ctx->picinfo.pic_w, ctx->picinfo.pic_h);
715 	}
716 }
717 
vdec_hevc_slice_get_crop_info(struct vdec_hevc_slice_inst * inst,struct v4l2_rect * cr)718 static void vdec_hevc_slice_get_crop_info(struct vdec_hevc_slice_inst *inst,
719 					  struct v4l2_rect *cr)
720 {
721 	cr->left = 0;
722 	cr->top = 0;
723 	cr->width = inst->ctx->picinfo.pic_w;
724 	cr->height = inst->ctx->picinfo.pic_h;
725 
726 	mtk_vdec_debug(inst->ctx, "l=%d, t=%d, w=%d, h=%d",
727 		       cr->left, cr->top, cr->width, cr->height);
728 }
729 
vdec_hevc_slice_setup_lat_buffer(struct vdec_hevc_slice_inst * inst,struct mtk_vcodec_mem * bs,struct vdec_lat_buf * lat_buf,bool * res_chg)730 static int vdec_hevc_slice_setup_lat_buffer(struct vdec_hevc_slice_inst *inst,
731 					    struct mtk_vcodec_mem *bs,
732 					    struct vdec_lat_buf *lat_buf,
733 					    bool *res_chg)
734 {
735 	struct mtk_vcodec_mem *mem;
736 	struct mtk_video_dec_buf *src_buf_info;
737 	struct vdec_hevc_slice_share_info *share_info;
738 	int i, err;
739 
740 	inst->vsi->bs.dma_addr = (u64)bs->dma_addr;
741 	inst->vsi->bs.size = bs->size;
742 
743 	src_buf_info = container_of(bs, struct mtk_video_dec_buf, bs_buffer);
744 	lat_buf->src_buf_req = src_buf_info->m2m_buf.vb.vb2_buf.req_obj.req;
745 	v4l2_m2m_buf_copy_metadata(&src_buf_info->m2m_buf.vb, &lat_buf->ts_info, true);
746 
747 	*res_chg = inst->resolution_changed;
748 	if (inst->resolution_changed) {
749 		mtk_vdec_debug(inst->ctx, "- resolution changed -");
750 		if (inst->realloc_mv_buf) {
751 			err = vdec_hevc_slice_alloc_mv_buf(inst, &inst->ctx->picinfo);
752 			inst->realloc_mv_buf = false;
753 			if (err)
754 				return err;
755 		}
756 		inst->resolution_changed = false;
757 	}
758 
759 	for (i = 0; i < HEVC_MAX_MV_NUM; i++) {
760 		mem = &inst->mv_buf[i];
761 		inst->vsi->mv_buf_dma[i].dma_addr = mem->dma_addr;
762 		inst->vsi->mv_buf_dma[i].size = mem->size;
763 	}
764 
765 	inst->vsi->ube.dma_addr = lat_buf->ctx->msg_queue.wdma_addr.dma_addr;
766 	inst->vsi->ube.size = lat_buf->ctx->msg_queue.wdma_addr.size;
767 
768 	inst->vsi->err_map.dma_addr = lat_buf->wdma_err_addr.dma_addr;
769 	inst->vsi->err_map.size = lat_buf->wdma_err_addr.size;
770 
771 	inst->vsi->slice_bc.dma_addr = lat_buf->slice_bc_addr.dma_addr;
772 	inst->vsi->slice_bc.size = lat_buf->slice_bc_addr.size;
773 
774 	inst->vsi->trans.dma_addr_end = inst->ctx->msg_queue.wdma_rptr_addr;
775 	inst->vsi->trans.dma_addr = inst->ctx->msg_queue.wdma_wptr_addr;
776 
777 	share_info = lat_buf->private_data;
778 	share_info->trans.dma_addr = inst->vsi->trans.dma_addr;
779 	share_info->trans.dma_addr_end = inst->vsi->trans.dma_addr_end;
780 
781 	mtk_vdec_debug(inst->ctx, "lat: ube addr/size(0x%llx 0x%llx) err:0x%llx",
782 		       inst->vsi->ube.buf,
783 		       inst->vsi->ube.padding,
784 		       inst->vsi->err_map.buf);
785 
786 	mtk_vdec_debug(inst->ctx, "slice addr/size(0x%llx 0x%llx) trans start/end((0x%llx 0x%llx))",
787 		       inst->vsi->slice_bc.buf,
788 		       inst->vsi->slice_bc.padding,
789 		       inst->vsi->trans.buf,
790 		       inst->vsi->trans.padding);
791 
792 	return 0;
793 }
794 
vdec_hevc_slice_setup_core_buffer(struct vdec_hevc_slice_inst * inst,struct vdec_hevc_slice_share_info * share_info,struct vdec_lat_buf * lat_buf)795 static int vdec_hevc_slice_setup_core_buffer(struct vdec_hevc_slice_inst *inst,
796 					     struct vdec_hevc_slice_share_info *share_info,
797 					     struct vdec_lat_buf *lat_buf)
798 {
799 	struct mtk_vcodec_mem *mem;
800 	struct mtk_vcodec_dec_ctx *ctx = inst->ctx;
801 	struct vb2_v4l2_buffer *vb2_v4l2;
802 	struct vdec_fb *fb;
803 	u64 y_fb_dma, c_fb_dma;
804 	int i;
805 
806 	fb = ctx->dev->vdec_pdata->get_cap_buffer(ctx);
807 	if (!fb) {
808 		mtk_vdec_err(inst->ctx, "fb buffer is NULL");
809 		return -EBUSY;
810 	}
811 
812 	y_fb_dma = (u64)fb->base_y.dma_addr;
813 	if (ctx->q_data[MTK_Q_DATA_DST].fmt->num_planes == 1)
814 		c_fb_dma =
815 			y_fb_dma + inst->ctx->picinfo.buf_w * inst->ctx->picinfo.buf_h;
816 	else
817 		c_fb_dma = (u64)fb->base_c.dma_addr;
818 
819 	mtk_vdec_debug(inst->ctx, "[hevc-core] y/c addr = 0x%llx 0x%llx", y_fb_dma, c_fb_dma);
820 
821 	inst->vsi_core->fb.y.dma_addr = y_fb_dma;
822 	inst->vsi_core->fb.y.size = ctx->picinfo.fb_sz[0];
823 	inst->vsi_core->fb.c.dma_addr = c_fb_dma;
824 	inst->vsi_core->fb.y.size = ctx->picinfo.fb_sz[1];
825 
826 	inst->vsi_core->dec.vdec_fb_va = (unsigned long)fb;
827 
828 	inst->vsi_core->ube.dma_addr = lat_buf->ctx->msg_queue.wdma_addr.dma_addr;
829 	inst->vsi_core->ube.size = lat_buf->ctx->msg_queue.wdma_addr.size;
830 
831 	inst->vsi_core->err_map.dma_addr = lat_buf->wdma_err_addr.dma_addr;
832 	inst->vsi_core->err_map.size = lat_buf->wdma_err_addr.size;
833 
834 	inst->vsi_core->slice_bc.dma_addr = lat_buf->slice_bc_addr.dma_addr;
835 	inst->vsi_core->slice_bc.size = lat_buf->slice_bc_addr.size;
836 
837 	inst->vsi_core->trans.dma_addr = share_info->trans.dma_addr;
838 	inst->vsi_core->trans.dma_addr_end = share_info->trans.dma_addr_end;
839 
840 	inst->vsi_core->wrap.dma_addr = inst->wrap_addr.dma_addr;
841 	inst->vsi_core->wrap.size = inst->wrap_addr.size;
842 
843 	for (i = 0; i < HEVC_MAX_MV_NUM; i++) {
844 		mem = &inst->mv_buf[i];
845 		inst->vsi_core->mv_buf_dma[i].dma_addr = mem->dma_addr;
846 		inst->vsi_core->mv_buf_dma[i].size = mem->size;
847 	}
848 
849 	vb2_v4l2 = v4l2_m2m_next_dst_buf(ctx->m2m_ctx);
850 	v4l2_m2m_buf_copy_metadata(&lat_buf->ts_info, vb2_v4l2, true);
851 
852 	return 0;
853 }
854 
vdec_hevc_slice_init(struct mtk_vcodec_dec_ctx * ctx)855 static int vdec_hevc_slice_init(struct mtk_vcodec_dec_ctx *ctx)
856 {
857 	struct vdec_hevc_slice_inst *inst;
858 	int err, vsi_size;
859 
860 	inst = kzalloc(sizeof(*inst), GFP_KERNEL);
861 	if (!inst)
862 		return -ENOMEM;
863 
864 	inst->ctx = ctx;
865 
866 	inst->vpu.id = SCP_IPI_VDEC_LAT;
867 	inst->vpu.core_id = SCP_IPI_VDEC_CORE;
868 	inst->vpu.ctx = ctx;
869 	inst->vpu.codec_type = ctx->current_codec;
870 	inst->vpu.capture_type = ctx->capture_fourcc;
871 
872 	err = vpu_dec_init(&inst->vpu);
873 	if (err) {
874 		mtk_vdec_err(ctx, "vdec_hevc init err=%d", err);
875 		goto error_free_inst;
876 	}
877 
878 	vsi_size = round_up(sizeof(struct vdec_hevc_slice_vsi), VCODEC_DEC_ALIGNED_64);
879 	inst->vsi = inst->vpu.vsi;
880 	inst->vsi_core =
881 		(struct vdec_hevc_slice_vsi *)(((char *)inst->vpu.vsi) + vsi_size);
882 
883 	inst->resolution_changed = true;
884 	inst->realloc_mv_buf = true;
885 
886 	inst->wrap_addr.size = VDEC_HEVC_WRAP_SZ;
887 	err = mtk_vcodec_mem_alloc(ctx, &inst->wrap_addr);
888 	if (err)
889 		goto error_free_inst;
890 
891 	mtk_vdec_debug(ctx, "lat struct size = %d,%d,%d,%d vsi: %d\n",
892 		       (int)sizeof(struct mtk_hevc_sps_param),
893 		       (int)sizeof(struct mtk_hevc_pps_param),
894 		       (int)sizeof(struct vdec_hevc_slice_lat_dec_param),
895 		       (int)sizeof(struct mtk_hevc_dpb_info),
896 			 vsi_size);
897 	mtk_vdec_debug(ctx, "lat hevc instance >> %p, codec_type = 0x%x",
898 		       inst, inst->vpu.codec_type);
899 
900 	ctx->drv_handle = inst;
901 	return 0;
902 error_free_inst:
903 	kfree(inst);
904 	return err;
905 }
906 
vdec_hevc_slice_deinit(void * h_vdec)907 static void vdec_hevc_slice_deinit(void *h_vdec)
908 {
909 	struct vdec_hevc_slice_inst *inst = h_vdec;
910 	struct mtk_vcodec_mem *mem;
911 
912 	vpu_dec_deinit(&inst->vpu);
913 	vdec_hevc_slice_free_mv_buf(inst);
914 
915 	mem = &inst->wrap_addr;
916 	if (mem->va)
917 		mtk_vcodec_mem_free(inst->ctx, mem);
918 
919 	vdec_msg_queue_deinit(&inst->ctx->msg_queue, inst->ctx);
920 	kfree(inst);
921 }
922 
vdec_hevc_slice_core_decode(struct vdec_lat_buf * lat_buf)923 static int vdec_hevc_slice_core_decode(struct vdec_lat_buf *lat_buf)
924 {
925 	int err, timeout;
926 	struct mtk_vcodec_dec_ctx *ctx = lat_buf->ctx;
927 	struct vdec_hevc_slice_inst *inst = ctx->drv_handle;
928 	struct vdec_hevc_slice_share_info *share_info = lat_buf->private_data;
929 	struct vdec_vpu_inst *vpu = &inst->vpu;
930 
931 	mtk_vdec_debug(ctx, "[hevc-core] vdec_hevc core decode");
932 	memcpy(&inst->vsi_core->hevc_slice_params, &share_info->hevc_slice_params,
933 	       sizeof(share_info->hevc_slice_params));
934 
935 	err = vdec_hevc_slice_setup_core_buffer(inst, share_info, lat_buf);
936 	if (err)
937 		goto vdec_dec_end;
938 
939 	vdec_hevc_slice_fill_decode_reflist(inst, &inst->vsi_core->hevc_slice_params,
940 					    share_info);
941 	err = vpu_dec_core(vpu);
942 	if (err) {
943 		mtk_vdec_err(ctx, "core decode err=%d", err);
944 		goto vdec_dec_end;
945 	}
946 
947 	/* wait decoder done interrupt */
948 	timeout = mtk_vcodec_wait_for_done_ctx(inst->ctx, MTK_INST_IRQ_RECEIVED,
949 					       WAIT_INTR_TIMEOUT_MS, MTK_VDEC_CORE);
950 	if (timeout)
951 		mtk_vdec_err(ctx, "core decode timeout: pic_%d", ctx->decoded_frame_cnt);
952 	inst->vsi_core->dec.timeout = !!timeout;
953 
954 	vpu_dec_core_end(vpu);
955 	mtk_vdec_debug(ctx, "pic[%d] crc: 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x",
956 		       ctx->decoded_frame_cnt,
957 		       inst->vsi_core->dec.crc[0], inst->vsi_core->dec.crc[1],
958 		       inst->vsi_core->dec.crc[2], inst->vsi_core->dec.crc[3],
959 		       inst->vsi_core->dec.crc[4], inst->vsi_core->dec.crc[5],
960 		       inst->vsi_core->dec.crc[6], inst->vsi_core->dec.crc[7]);
961 
962 vdec_dec_end:
963 	vdec_msg_queue_update_ube_rptr(&lat_buf->ctx->msg_queue, share_info->trans.dma_addr_end);
964 	ctx->dev->vdec_pdata->cap_to_disp(ctx, !!err, lat_buf->src_buf_req);
965 	mtk_vdec_debug(ctx, "core decode done err=%d", err);
966 	ctx->decoded_frame_cnt++;
967 	return 0;
968 }
969 
vdec_hevc_slice_lat_decode(void * h_vdec,struct mtk_vcodec_mem * bs,struct vdec_fb * fb,bool * res_chg)970 static int vdec_hevc_slice_lat_decode(void *h_vdec, struct mtk_vcodec_mem *bs,
971 				      struct vdec_fb *fb, bool *res_chg)
972 {
973 	struct vdec_hevc_slice_inst *inst = h_vdec;
974 	struct vdec_vpu_inst *vpu = &inst->vpu;
975 	int err, timeout = 0;
976 	unsigned int data[2];
977 	struct vdec_lat_buf *lat_buf;
978 	struct vdec_hevc_slice_share_info *share_info;
979 
980 	if (vdec_msg_queue_init(&inst->ctx->msg_queue, inst->ctx,
981 				vdec_hevc_slice_core_decode,
982 				sizeof(*share_info)))
983 		return -ENOMEM;
984 
985 	/* bs NULL means flush decoder */
986 	if (!bs) {
987 		vdec_msg_queue_wait_lat_buf_full(&inst->ctx->msg_queue);
988 		return vpu_dec_reset(vpu);
989 	}
990 
991 	lat_buf = vdec_msg_queue_dqbuf(&inst->ctx->msg_queue.lat_ctx);
992 	if (!lat_buf) {
993 		mtk_vdec_debug(inst->ctx, "failed to get lat buffer");
994 		return -EAGAIN;
995 	}
996 
997 	share_info = lat_buf->private_data;
998 	err = vdec_hevc_slice_fill_decode_parameters(inst, share_info);
999 	if (err)
1000 		goto err_free_fb_out;
1001 
1002 	err = vdec_hevc_slice_setup_lat_buffer(inst, bs, lat_buf, res_chg);
1003 	if (err)
1004 		goto err_free_fb_out;
1005 
1006 	err = vpu_dec_start(vpu, data, 2);
1007 	if (err) {
1008 		mtk_vdec_debug(inst->ctx, "lat decode err: %d", err);
1009 		goto err_free_fb_out;
1010 	}
1011 
1012 	if (IS_VDEC_INNER_RACING(inst->ctx->dev->dec_capability)) {
1013 		memcpy(&share_info->hevc_slice_params, &inst->vsi->hevc_slice_params,
1014 		       sizeof(share_info->hevc_slice_params));
1015 		vdec_msg_queue_qbuf(&inst->ctx->msg_queue.core_ctx, lat_buf);
1016 	}
1017 
1018 	/* wait decoder done interrupt */
1019 	timeout = mtk_vcodec_wait_for_done_ctx(inst->ctx, MTK_INST_IRQ_RECEIVED,
1020 					       WAIT_INTR_TIMEOUT_MS, MTK_VDEC_LAT0);
1021 	if (timeout)
1022 		mtk_vdec_err(inst->ctx, "lat decode timeout: pic_%d", inst->slice_dec_num);
1023 	inst->vsi->dec.timeout = !!timeout;
1024 
1025 	err = vpu_dec_end(vpu);
1026 	if (err == SLICE_HEADER_FULL || err == TRANS_BUFFER_FULL) {
1027 		if (!IS_VDEC_INNER_RACING(inst->ctx->dev->dec_capability))
1028 			vdec_msg_queue_qbuf(&inst->ctx->msg_queue.lat_ctx, lat_buf);
1029 		inst->slice_dec_num++;
1030 		mtk_vdec_err(inst->ctx, "lat dec fail: pic_%d err:%d", inst->slice_dec_num, err);
1031 		return -EINVAL;
1032 	}
1033 
1034 	share_info->trans.dma_addr_end = inst->ctx->msg_queue.wdma_addr.dma_addr +
1035 		inst->vsi->dec.wdma_end_addr_offset;
1036 	vdec_msg_queue_update_ube_wptr(&lat_buf->ctx->msg_queue, share_info->trans.dma_addr_end);
1037 
1038 	if (!IS_VDEC_INNER_RACING(inst->ctx->dev->dec_capability)) {
1039 		memcpy(&share_info->hevc_slice_params, &inst->vsi->hevc_slice_params,
1040 		       sizeof(share_info->hevc_slice_params));
1041 		vdec_msg_queue_qbuf(&inst->ctx->msg_queue.core_ctx, lat_buf);
1042 	}
1043 	mtk_vdec_debug(inst->ctx, "dec num: %d lat crc: 0x%x 0x%x 0x%x", inst->slice_dec_num,
1044 		       inst->vsi->dec.crc[0], inst->vsi->dec.crc[1], inst->vsi->dec.crc[2]);
1045 
1046 	inst->slice_dec_num++;
1047 	return 0;
1048 err_free_fb_out:
1049 	vdec_msg_queue_qbuf(&inst->ctx->msg_queue.lat_ctx, lat_buf);
1050 	mtk_vdec_err(inst->ctx, "slice dec number: %d err: %d", inst->slice_dec_num, err);
1051 	return err;
1052 }
1053 
vdec_hevc_slice_decode(void * h_vdec,struct mtk_vcodec_mem * bs,struct vdec_fb * unused,bool * res_chg)1054 static int vdec_hevc_slice_decode(void *h_vdec, struct mtk_vcodec_mem *bs,
1055 				  struct vdec_fb *unused, bool *res_chg)
1056 {
1057 	struct vdec_hevc_slice_inst *inst = h_vdec;
1058 
1059 	if (!h_vdec || inst->ctx->dev->vdec_pdata->hw_arch == MTK_VDEC_PURE_SINGLE_CORE)
1060 		return -EINVAL;
1061 
1062 	return vdec_hevc_slice_lat_decode(h_vdec, bs, unused, res_chg);
1063 }
1064 
vdec_hevc_slice_get_param(void * h_vdec,enum vdec_get_param_type type,void * out)1065 static int vdec_hevc_slice_get_param(void *h_vdec, enum vdec_get_param_type type,
1066 				     void *out)
1067 {
1068 	struct vdec_hevc_slice_inst *inst = h_vdec;
1069 
1070 	switch (type) {
1071 	case GET_PARAM_PIC_INFO:
1072 		vdec_hevc_slice_get_pic_info(inst);
1073 		break;
1074 	case GET_PARAM_DPB_SIZE:
1075 		*(unsigned int *)out = 6;
1076 		break;
1077 	case GET_PARAM_CROP_INFO:
1078 		vdec_hevc_slice_get_crop_info(inst, out);
1079 		break;
1080 	default:
1081 		mtk_vdec_err(inst->ctx, "invalid get parameter type=%d", type);
1082 		return -EINVAL;
1083 	}
1084 	return 0;
1085 }
1086 
1087 const struct vdec_common_if vdec_hevc_slice_multi_if = {
1088 	.init		= vdec_hevc_slice_init,
1089 	.decode		= vdec_hevc_slice_decode,
1090 	.get_param	= vdec_hevc_slice_get_param,
1091 	.deinit		= vdec_hevc_slice_deinit,
1092 };
1093