1 // SPDX-License-Identifier: GPL-2.0
2 /*
3 * Copyright (c) 2022 MediaTek Inc.
4 * Author: Yunfei Dong <yunfei.dong@mediatek.com>
5 */
6
7 #include <linux/module.h>
8 #include <linux/slab.h>
9 #include <media/v4l2-h264.h>
10 #include <media/v4l2-mem2mem.h>
11 #include <media/videobuf2-dma-contig.h>
12
13 #include "../mtk_vcodec_dec.h"
14 #include "../../common/mtk_vcodec_intr.h"
15 #include "../vdec_drv_base.h"
16 #include "../vdec_drv_if.h"
17 #include "../vdec_vpu_if.h"
18 #include "vdec_h264_req_common.h"
19
20 /**
21 * enum vdec_h264_core_dec_err_type - core decode error type
22 *
23 * @TRANS_BUFFER_FULL: trans buffer is full
24 * @SLICE_HEADER_FULL: slice header buffer is full
25 */
26 enum vdec_h264_core_dec_err_type {
27 TRANS_BUFFER_FULL = 1,
28 SLICE_HEADER_FULL,
29 };
30
31 /**
32 * struct vdec_h264_slice_lat_dec_param - parameters for decode current frame
33 *
34 * @sps: h264 sps syntax parameters
35 * @pps: h264 pps syntax parameters
36 * @slice_header: h264 slice header syntax parameters
37 * @scaling_matrix: h264 scaling list parameters
38 * @decode_params: decoder parameters of each frame used for hardware decode
39 * @h264_dpb_info: dpb reference list
40 */
41 struct vdec_h264_slice_lat_dec_param {
42 struct mtk_h264_sps_param sps;
43 struct mtk_h264_pps_param pps;
44 struct mtk_h264_slice_hd_param slice_header;
45 struct slice_api_h264_scaling_matrix scaling_matrix;
46 struct slice_api_h264_decode_param decode_params;
47 struct mtk_h264_dpb_info h264_dpb_info[V4L2_H264_NUM_DPB_ENTRIES];
48 };
49
50 /**
51 * struct vdec_h264_slice_info - decode information
52 *
53 * @nal_info: nal info of current picture
54 * @timeout: Decode timeout: 1 timeout, 0 no timeount
55 * @bs_buf_size: bitstream size
56 * @bs_buf_addr: bitstream buffer dma address
57 * @y_fb_dma: Y frame buffer dma address
58 * @c_fb_dma: C frame buffer dma address
59 * @vdec_fb_va: VDEC frame buffer struct virtual address
60 * @crc: Used to check whether hardware's status is right
61 */
62 struct vdec_h264_slice_info {
63 u16 nal_info;
64 u16 timeout;
65 u32 bs_buf_size;
66 u64 bs_buf_addr;
67 u64 y_fb_dma;
68 u64 c_fb_dma;
69 u64 vdec_fb_va;
70 u32 crc[8];
71 };
72
73 /**
74 * struct vdec_h264_slice_vsi - shared memory for decode information exchange
75 * between SCP and Host.
76 *
77 * @wdma_err_addr: wdma error dma address
78 * @wdma_start_addr: wdma start dma address
79 * @wdma_end_addr: wdma end dma address
80 * @slice_bc_start_addr: slice bc start dma address
81 * @slice_bc_end_addr: slice bc end dma address
82 * @row_info_start_addr: row info start dma address
83 * @row_info_end_addr: row info end dma address
84 * @trans_start: trans start dma address
85 * @trans_end: trans end dma address
86 * @wdma_end_addr_offset: wdma end address offset
87 *
88 * @mv_buf_dma: HW working motion vector buffer
89 * dma address (AP-W, VPU-R)
90 * @dec: decode information (AP-R, VPU-W)
91 * @h264_slice_params: decode parameters for hw used
92 */
93 struct vdec_h264_slice_vsi {
94 /* LAT dec addr */
95 u64 wdma_err_addr;
96 u64 wdma_start_addr;
97 u64 wdma_end_addr;
98 u64 slice_bc_start_addr;
99 u64 slice_bc_end_addr;
100 u64 row_info_start_addr;
101 u64 row_info_end_addr;
102 u64 trans_start;
103 u64 trans_end;
104 u64 wdma_end_addr_offset;
105
106 u64 mv_buf_dma[H264_MAX_MV_NUM];
107 struct vdec_h264_slice_info dec;
108 struct vdec_h264_slice_lat_dec_param h264_slice_params;
109 };
110
111 /**
112 * struct vdec_h264_slice_share_info - shared information used to exchange
113 * message between lat and core
114 *
115 * @sps: sequence header information from user space
116 * @dec_params: decoder params from user space
117 * @h264_slice_params: decoder params used for hardware
118 * @trans_start: trans start dma address
119 * @trans_end: trans end dma address
120 * @nal_info: nal info of current picture
121 */
122 struct vdec_h264_slice_share_info {
123 struct v4l2_ctrl_h264_sps sps;
124 struct v4l2_ctrl_h264_decode_params dec_params;
125 struct vdec_h264_slice_lat_dec_param h264_slice_params;
126 u64 trans_start;
127 u64 trans_end;
128 u16 nal_info;
129 };
130
131 /**
132 * struct vdec_h264_slice_inst - h264 decoder instance
133 *
134 * @slice_dec_num: how many picture be decoded
135 * @ctx: point to mtk_vcodec_dec_ctx
136 * @pred_buf: HW working predication buffer
137 * @mv_buf: HW working motion vector buffer
138 * @vpu: VPU instance
139 * @vsi: vsi used for lat
140 * @vsi_core: vsi used for core
141 *
142 * @vsi_ctx: Local VSI data for this decoding context
143 * @h264_slice_param: the parameters that hardware use to decode
144 *
145 * @resolution_changed:resolution changed
146 * @realloc_mv_buf: reallocate mv buffer
147 * @cap_num_planes: number of capture queue plane
148 *
149 * @dpb: decoded picture buffer used to store reference
150 * buffer information
151 *@is_field_bitstream: is field bitstream
152 */
153 struct vdec_h264_slice_inst {
154 unsigned int slice_dec_num;
155 struct mtk_vcodec_dec_ctx *ctx;
156 struct mtk_vcodec_mem pred_buf;
157 struct mtk_vcodec_mem mv_buf[H264_MAX_MV_NUM];
158 struct vdec_vpu_inst vpu;
159 struct vdec_h264_slice_vsi *vsi;
160 struct vdec_h264_slice_vsi *vsi_core;
161
162 struct vdec_h264_slice_vsi vsi_ctx;
163 struct vdec_h264_slice_lat_dec_param h264_slice_param;
164
165 unsigned int resolution_changed;
166 unsigned int realloc_mv_buf;
167 unsigned int cap_num_planes;
168
169 struct v4l2_h264_dpb_entry dpb[16];
170 bool is_field_bitstream;
171 };
172
vdec_h264_slice_fill_decode_parameters(struct vdec_h264_slice_inst * inst,struct vdec_h264_slice_share_info * share_info)173 static int vdec_h264_slice_fill_decode_parameters(struct vdec_h264_slice_inst *inst,
174 struct vdec_h264_slice_share_info *share_info)
175 {
176 struct vdec_h264_slice_lat_dec_param *slice_param = &inst->vsi->h264_slice_params;
177 const struct v4l2_ctrl_h264_decode_params *dec_params;
178 const struct v4l2_ctrl_h264_scaling_matrix *src_matrix;
179 const struct v4l2_ctrl_h264_sps *sps;
180 const struct v4l2_ctrl_h264_pps *pps;
181
182 dec_params =
183 mtk_vdec_h264_get_ctrl_ptr(inst->ctx, V4L2_CID_STATELESS_H264_DECODE_PARAMS);
184 if (IS_ERR(dec_params))
185 return PTR_ERR(dec_params);
186
187 src_matrix =
188 mtk_vdec_h264_get_ctrl_ptr(inst->ctx, V4L2_CID_STATELESS_H264_SCALING_MATRIX);
189 if (IS_ERR(src_matrix))
190 return PTR_ERR(src_matrix);
191
192 sps = mtk_vdec_h264_get_ctrl_ptr(inst->ctx, V4L2_CID_STATELESS_H264_SPS);
193 if (IS_ERR(sps))
194 return PTR_ERR(sps);
195
196 pps = mtk_vdec_h264_get_ctrl_ptr(inst->ctx, V4L2_CID_STATELESS_H264_PPS);
197 if (IS_ERR(pps))
198 return PTR_ERR(pps);
199
200 if (dec_params->flags & V4L2_H264_DECODE_PARAM_FLAG_FIELD_PIC) {
201 mtk_vdec_err(inst->ctx, "No support for H.264 field decoding.");
202 inst->is_field_bitstream = true;
203 return -EINVAL;
204 }
205
206 mtk_vdec_h264_copy_sps_params(&slice_param->sps, sps);
207 mtk_vdec_h264_copy_pps_params(&slice_param->pps, pps);
208 mtk_vdec_h264_copy_scaling_matrix(&slice_param->scaling_matrix, src_matrix);
209
210 memcpy(&share_info->sps, sps, sizeof(*sps));
211 memcpy(&share_info->dec_params, dec_params, sizeof(*dec_params));
212
213 return 0;
214 }
215
get_vdec_sig_decode_parameters(struct vdec_h264_slice_inst * inst)216 static int get_vdec_sig_decode_parameters(struct vdec_h264_slice_inst *inst)
217 {
218 const struct v4l2_ctrl_h264_decode_params *dec_params;
219 const struct v4l2_ctrl_h264_sps *sps;
220 const struct v4l2_ctrl_h264_pps *pps;
221 const struct v4l2_ctrl_h264_scaling_matrix *scaling_matrix;
222 struct vdec_h264_slice_lat_dec_param *slice_param = &inst->h264_slice_param;
223 struct v4l2_h264_reflist_builder reflist_builder;
224 struct v4l2_h264_reference v4l2_p0_reflist[V4L2_H264_REF_LIST_LEN];
225 struct v4l2_h264_reference v4l2_b0_reflist[V4L2_H264_REF_LIST_LEN];
226 struct v4l2_h264_reference v4l2_b1_reflist[V4L2_H264_REF_LIST_LEN];
227 u8 *p0_reflist = slice_param->decode_params.ref_pic_list_p0;
228 u8 *b0_reflist = slice_param->decode_params.ref_pic_list_b0;
229 u8 *b1_reflist = slice_param->decode_params.ref_pic_list_b1;
230
231 dec_params =
232 mtk_vdec_h264_get_ctrl_ptr(inst->ctx, V4L2_CID_STATELESS_H264_DECODE_PARAMS);
233 if (IS_ERR(dec_params))
234 return PTR_ERR(dec_params);
235
236 sps = mtk_vdec_h264_get_ctrl_ptr(inst->ctx, V4L2_CID_STATELESS_H264_SPS);
237 if (IS_ERR(sps))
238 return PTR_ERR(sps);
239
240 pps = mtk_vdec_h264_get_ctrl_ptr(inst->ctx, V4L2_CID_STATELESS_H264_PPS);
241 if (IS_ERR(pps))
242 return PTR_ERR(pps);
243
244 scaling_matrix =
245 mtk_vdec_h264_get_ctrl_ptr(inst->ctx, V4L2_CID_STATELESS_H264_SCALING_MATRIX);
246 if (IS_ERR(scaling_matrix))
247 return PTR_ERR(scaling_matrix);
248
249 mtk_vdec_h264_update_dpb(dec_params, inst->dpb);
250
251 mtk_vdec_h264_copy_sps_params(&slice_param->sps, sps);
252 mtk_vdec_h264_copy_pps_params(&slice_param->pps, pps);
253 mtk_vdec_h264_copy_scaling_matrix(&slice_param->scaling_matrix, scaling_matrix);
254
255 mtk_vdec_h264_copy_decode_params(&slice_param->decode_params, dec_params, inst->dpb);
256 mtk_vdec_h264_fill_dpb_info(inst->ctx, &slice_param->decode_params,
257 slice_param->h264_dpb_info);
258
259 /* Build the reference lists */
260 v4l2_h264_init_reflist_builder(&reflist_builder, dec_params, sps, inst->dpb);
261 v4l2_h264_build_p_ref_list(&reflist_builder, v4l2_p0_reflist);
262 v4l2_h264_build_b_ref_lists(&reflist_builder, v4l2_b0_reflist, v4l2_b1_reflist);
263
264 /* Adapt the built lists to the firmware's expectations */
265 mtk_vdec_h264_get_ref_list(p0_reflist, v4l2_p0_reflist, reflist_builder.num_valid);
266 mtk_vdec_h264_get_ref_list(b0_reflist, v4l2_b0_reflist, reflist_builder.num_valid);
267 mtk_vdec_h264_get_ref_list(b1_reflist, v4l2_b1_reflist, reflist_builder.num_valid);
268
269 memcpy(&inst->vsi_ctx.h264_slice_params, slice_param,
270 sizeof(inst->vsi_ctx.h264_slice_params));
271
272 return 0;
273 }
274
vdec_h264_slice_fill_decode_reflist(struct vdec_h264_slice_inst * inst,struct vdec_h264_slice_lat_dec_param * slice_param,struct vdec_h264_slice_share_info * share_info)275 static void vdec_h264_slice_fill_decode_reflist(struct vdec_h264_slice_inst *inst,
276 struct vdec_h264_slice_lat_dec_param *slice_param,
277 struct vdec_h264_slice_share_info *share_info)
278 {
279 struct v4l2_ctrl_h264_decode_params *dec_params = &share_info->dec_params;
280 struct v4l2_ctrl_h264_sps *sps = &share_info->sps;
281 struct v4l2_h264_reflist_builder reflist_builder;
282 struct v4l2_h264_reference v4l2_p0_reflist[V4L2_H264_REF_LIST_LEN];
283 struct v4l2_h264_reference v4l2_b0_reflist[V4L2_H264_REF_LIST_LEN];
284 struct v4l2_h264_reference v4l2_b1_reflist[V4L2_H264_REF_LIST_LEN];
285 u8 *p0_reflist = slice_param->decode_params.ref_pic_list_p0;
286 u8 *b0_reflist = slice_param->decode_params.ref_pic_list_b0;
287 u8 *b1_reflist = slice_param->decode_params.ref_pic_list_b1;
288
289 mtk_vdec_h264_update_dpb(dec_params, inst->dpb);
290
291 mtk_vdec_h264_copy_decode_params(&slice_param->decode_params, dec_params,
292 inst->dpb);
293 mtk_vdec_h264_fill_dpb_info(inst->ctx, &slice_param->decode_params,
294 slice_param->h264_dpb_info);
295
296 mtk_v4l2_vdec_dbg(3, inst->ctx, "cur poc = %d\n", dec_params->bottom_field_order_cnt);
297 /* Build the reference lists */
298 v4l2_h264_init_reflist_builder(&reflist_builder, dec_params, sps,
299 inst->dpb);
300 v4l2_h264_build_p_ref_list(&reflist_builder, v4l2_p0_reflist);
301 v4l2_h264_build_b_ref_lists(&reflist_builder, v4l2_b0_reflist, v4l2_b1_reflist);
302
303 /* Adapt the built lists to the firmware's expectations */
304 mtk_vdec_h264_get_ref_list(p0_reflist, v4l2_p0_reflist, reflist_builder.num_valid);
305 mtk_vdec_h264_get_ref_list(b0_reflist, v4l2_b0_reflist, reflist_builder.num_valid);
306 mtk_vdec_h264_get_ref_list(b1_reflist, v4l2_b1_reflist, reflist_builder.num_valid);
307 }
308
vdec_h264_slice_alloc_mv_buf(struct vdec_h264_slice_inst * inst,struct vdec_pic_info * pic)309 static int vdec_h264_slice_alloc_mv_buf(struct vdec_h264_slice_inst *inst,
310 struct vdec_pic_info *pic)
311 {
312 unsigned int buf_sz = mtk_vdec_h264_get_mv_buf_size(pic->buf_w, pic->buf_h);
313 struct mtk_vcodec_mem *mem;
314 int i, err;
315
316 mtk_v4l2_vdec_dbg(3, inst->ctx, "size = 0x%x", buf_sz);
317 for (i = 0; i < H264_MAX_MV_NUM; i++) {
318 mem = &inst->mv_buf[i];
319 if (mem->va)
320 mtk_vcodec_mem_free(inst->ctx, mem);
321 mem->size = buf_sz;
322 err = mtk_vcodec_mem_alloc(inst->ctx, mem);
323 if (err) {
324 mtk_vdec_err(inst->ctx, "failed to allocate mv buf");
325 return err;
326 }
327 }
328
329 return 0;
330 }
331
vdec_h264_slice_free_mv_buf(struct vdec_h264_slice_inst * inst)332 static void vdec_h264_slice_free_mv_buf(struct vdec_h264_slice_inst *inst)
333 {
334 int i;
335 struct mtk_vcodec_mem *mem;
336
337 for (i = 0; i < H264_MAX_MV_NUM; i++) {
338 mem = &inst->mv_buf[i];
339 if (mem->va)
340 mtk_vcodec_mem_free(inst->ctx, mem);
341 }
342 }
343
vdec_h264_slice_get_pic_info(struct vdec_h264_slice_inst * inst)344 static void vdec_h264_slice_get_pic_info(struct vdec_h264_slice_inst *inst)
345 {
346 struct mtk_vcodec_dec_ctx *ctx = inst->ctx;
347 u32 data[3];
348
349 data[0] = ctx->picinfo.pic_w;
350 data[1] = ctx->picinfo.pic_h;
351 data[2] = ctx->capture_fourcc;
352 vpu_dec_get_param(&inst->vpu, data, 3, GET_PARAM_PIC_INFO);
353
354 ctx->picinfo.buf_w = ALIGN(ctx->picinfo.pic_w, VCODEC_DEC_ALIGNED_64);
355 ctx->picinfo.buf_h = ALIGN(ctx->picinfo.pic_h, VCODEC_DEC_ALIGNED_64);
356 ctx->picinfo.fb_sz[0] = inst->vpu.fb_sz[0];
357 ctx->picinfo.fb_sz[1] = inst->vpu.fb_sz[1];
358 inst->cap_num_planes =
359 ctx->q_data[MTK_Q_DATA_DST].fmt->num_planes;
360
361 mtk_vdec_debug(ctx, "pic(%d, %d), buf(%d, %d)",
362 ctx->picinfo.pic_w, ctx->picinfo.pic_h,
363 ctx->picinfo.buf_w, ctx->picinfo.buf_h);
364 mtk_vdec_debug(ctx, "Y/C(%d, %d)", ctx->picinfo.fb_sz[0],
365 ctx->picinfo.fb_sz[1]);
366
367 if (ctx->last_decoded_picinfo.pic_w != ctx->picinfo.pic_w ||
368 ctx->last_decoded_picinfo.pic_h != ctx->picinfo.pic_h) {
369 inst->resolution_changed = true;
370 if (ctx->last_decoded_picinfo.buf_w != ctx->picinfo.buf_w ||
371 ctx->last_decoded_picinfo.buf_h != ctx->picinfo.buf_h)
372 inst->realloc_mv_buf = true;
373
374 mtk_v4l2_vdec_dbg(1, inst->ctx, "resChg: (%d %d) : old(%d, %d) -> new(%d, %d)",
375 inst->resolution_changed,
376 inst->realloc_mv_buf,
377 ctx->last_decoded_picinfo.pic_w,
378 ctx->last_decoded_picinfo.pic_h,
379 ctx->picinfo.pic_w, ctx->picinfo.pic_h);
380 }
381 }
382
vdec_h264_slice_get_crop_info(struct vdec_h264_slice_inst * inst,struct v4l2_rect * cr)383 static void vdec_h264_slice_get_crop_info(struct vdec_h264_slice_inst *inst,
384 struct v4l2_rect *cr)
385 {
386 cr->left = 0;
387 cr->top = 0;
388 cr->width = inst->ctx->picinfo.pic_w;
389 cr->height = inst->ctx->picinfo.pic_h;
390
391 mtk_vdec_debug(inst->ctx, "l=%d, t=%d, w=%d, h=%d",
392 cr->left, cr->top, cr->width, cr->height);
393 }
394
vdec_h264_slice_init(struct mtk_vcodec_dec_ctx * ctx)395 static int vdec_h264_slice_init(struct mtk_vcodec_dec_ctx *ctx)
396 {
397 struct vdec_h264_slice_inst *inst;
398 int err, vsi_size;
399
400 inst = kzalloc(sizeof(*inst), GFP_KERNEL);
401 if (!inst)
402 return -ENOMEM;
403
404 inst->ctx = ctx;
405
406 inst->vpu.id = SCP_IPI_VDEC_LAT;
407 inst->vpu.core_id = SCP_IPI_VDEC_CORE;
408 inst->vpu.ctx = ctx;
409 inst->vpu.codec_type = ctx->current_codec;
410 inst->vpu.capture_type = ctx->capture_fourcc;
411
412 err = vpu_dec_init(&inst->vpu);
413 if (err) {
414 mtk_vdec_err(ctx, "vdec_h264 init err=%d", err);
415 goto error_free_inst;
416 }
417
418 vsi_size = round_up(sizeof(struct vdec_h264_slice_vsi), VCODEC_DEC_ALIGNED_64);
419 inst->vsi = inst->vpu.vsi;
420 inst->vsi_core =
421 (struct vdec_h264_slice_vsi *)(((char *)inst->vpu.vsi) + vsi_size);
422 inst->resolution_changed = true;
423 inst->realloc_mv_buf = true;
424
425 mtk_vdec_debug(ctx, "lat struct size = %d,%d,%d,%d vsi: %d\n",
426 (int)sizeof(struct mtk_h264_sps_param),
427 (int)sizeof(struct mtk_h264_pps_param),
428 (int)sizeof(struct vdec_h264_slice_lat_dec_param),
429 (int)sizeof(struct mtk_h264_dpb_info),
430 vsi_size);
431 mtk_vdec_debug(ctx, "lat H264 instance >> %p, codec_type = 0x%x",
432 inst, inst->vpu.codec_type);
433
434 ctx->drv_handle = inst;
435 return 0;
436
437 error_free_inst:
438 kfree(inst);
439 return err;
440 }
441
vdec_h264_slice_deinit(void * h_vdec)442 static void vdec_h264_slice_deinit(void *h_vdec)
443 {
444 struct vdec_h264_slice_inst *inst = h_vdec;
445
446 vpu_dec_deinit(&inst->vpu);
447 vdec_h264_slice_free_mv_buf(inst);
448 vdec_msg_queue_deinit(&inst->ctx->msg_queue, inst->ctx);
449
450 kfree(inst);
451 }
452
vdec_h264_slice_core_decode(struct vdec_lat_buf * lat_buf)453 static int vdec_h264_slice_core_decode(struct vdec_lat_buf *lat_buf)
454 {
455 struct vdec_fb *fb;
456 u64 vdec_fb_va;
457 u64 y_fb_dma, c_fb_dma;
458 int err, timeout, i;
459 struct mtk_vcodec_dec_ctx *ctx = lat_buf->ctx;
460 struct vdec_h264_slice_inst *inst = ctx->drv_handle;
461 struct vb2_v4l2_buffer *vb2_v4l2;
462 struct vdec_h264_slice_share_info *share_info = lat_buf->private_data;
463 struct mtk_vcodec_mem *mem;
464 struct vdec_vpu_inst *vpu = &inst->vpu;
465
466 mtk_vdec_debug(ctx, "[h264-core] vdec_h264 core decode");
467 memcpy(&inst->vsi_core->h264_slice_params, &share_info->h264_slice_params,
468 sizeof(share_info->h264_slice_params));
469
470 fb = ctx->dev->vdec_pdata->get_cap_buffer(ctx);
471 if (!fb) {
472 err = -EBUSY;
473 mtk_vdec_err(ctx, "fb buffer is NULL");
474 goto vdec_dec_end;
475 }
476
477 vdec_fb_va = (unsigned long)fb;
478 y_fb_dma = (u64)fb->base_y.dma_addr;
479 if (ctx->q_data[MTK_Q_DATA_DST].fmt->num_planes == 1)
480 c_fb_dma =
481 y_fb_dma + inst->ctx->picinfo.buf_w * inst->ctx->picinfo.buf_h;
482 else
483 c_fb_dma = (u64)fb->base_c.dma_addr;
484
485 mtk_vdec_debug(ctx, "[h264-core] y/c addr = 0x%llx 0x%llx", y_fb_dma, c_fb_dma);
486
487 inst->vsi_core->dec.y_fb_dma = y_fb_dma;
488 inst->vsi_core->dec.c_fb_dma = c_fb_dma;
489 inst->vsi_core->dec.vdec_fb_va = vdec_fb_va;
490 inst->vsi_core->dec.nal_info = share_info->nal_info;
491 inst->vsi_core->wdma_start_addr =
492 lat_buf->ctx->msg_queue.wdma_addr.dma_addr;
493 inst->vsi_core->wdma_end_addr =
494 lat_buf->ctx->msg_queue.wdma_addr.dma_addr +
495 lat_buf->ctx->msg_queue.wdma_addr.size;
496 inst->vsi_core->wdma_err_addr = lat_buf->wdma_err_addr.dma_addr;
497 inst->vsi_core->slice_bc_start_addr = lat_buf->slice_bc_addr.dma_addr;
498 inst->vsi_core->slice_bc_end_addr = lat_buf->slice_bc_addr.dma_addr +
499 lat_buf->slice_bc_addr.size;
500 inst->vsi_core->trans_start = share_info->trans_start;
501 inst->vsi_core->trans_end = share_info->trans_end;
502 for (i = 0; i < H264_MAX_MV_NUM; i++) {
503 mem = &inst->mv_buf[i];
504 inst->vsi_core->mv_buf_dma[i] = mem->dma_addr;
505 }
506
507 vb2_v4l2 = v4l2_m2m_next_dst_buf(ctx->m2m_ctx);
508 v4l2_m2m_buf_copy_metadata(&lat_buf->ts_info, vb2_v4l2, true);
509
510 vdec_h264_slice_fill_decode_reflist(inst, &inst->vsi_core->h264_slice_params,
511 share_info);
512
513 err = vpu_dec_core(vpu);
514 if (err) {
515 mtk_vdec_err(ctx, "core decode err=%d", err);
516 goto vdec_dec_end;
517 }
518
519 /* wait decoder done interrupt */
520 timeout = mtk_vcodec_wait_for_done_ctx(inst->ctx, MTK_INST_IRQ_RECEIVED,
521 WAIT_INTR_TIMEOUT_MS, MTK_VDEC_CORE);
522 if (timeout)
523 mtk_vdec_err(ctx, "core decode timeout: pic_%d", ctx->decoded_frame_cnt);
524 inst->vsi_core->dec.timeout = !!timeout;
525
526 vpu_dec_core_end(vpu);
527 mtk_vdec_debug(ctx, "pic[%d] crc: 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x",
528 ctx->decoded_frame_cnt,
529 inst->vsi_core->dec.crc[0], inst->vsi_core->dec.crc[1],
530 inst->vsi_core->dec.crc[2], inst->vsi_core->dec.crc[3],
531 inst->vsi_core->dec.crc[4], inst->vsi_core->dec.crc[5],
532 inst->vsi_core->dec.crc[6], inst->vsi_core->dec.crc[7]);
533
534 vdec_dec_end:
535 vdec_msg_queue_update_ube_rptr(&lat_buf->ctx->msg_queue, share_info->trans_end);
536 ctx->dev->vdec_pdata->cap_to_disp(ctx, !!err, lat_buf->src_buf_req);
537 mtk_vdec_debug(ctx, "core decode done err=%d", err);
538 ctx->decoded_frame_cnt++;
539 return 0;
540 }
541
vdec_h264_insert_startcode(struct mtk_vcodec_dec_dev * vcodec_dev,unsigned char * buf,size_t * bs_size,struct mtk_h264_pps_param * pps)542 static void vdec_h264_insert_startcode(struct mtk_vcodec_dec_dev *vcodec_dev, unsigned char *buf,
543 size_t *bs_size, struct mtk_h264_pps_param *pps)
544 {
545 struct device *dev = &vcodec_dev->plat_dev->dev;
546
547 /* Need to add pending data at the end of bitstream when bs_sz is small than
548 * 20 bytes for cavlc bitstream, or lat will decode fail. This pending data is
549 * useful for mt8192 and mt8195 platform.
550 *
551 * cavlc bitstream when entropy_coding_mode_flag is false.
552 */
553 if (pps->entropy_coding_mode_flag || *bs_size > 20 ||
554 !(of_device_is_compatible(dev->of_node, "mediatek,mt8192-vcodec-dec") ||
555 of_device_is_compatible(dev->of_node, "mediatek,mt8195-vcodec-dec")))
556 return;
557
558 buf[*bs_size] = 0;
559 buf[*bs_size + 1] = 0;
560 buf[*bs_size + 2] = 1;
561 buf[*bs_size + 3] = 0xff;
562 (*bs_size) += 4;
563 }
564
vdec_h264_slice_lat_decode(void * h_vdec,struct mtk_vcodec_mem * bs,struct vdec_fb * fb,bool * res_chg)565 static int vdec_h264_slice_lat_decode(void *h_vdec, struct mtk_vcodec_mem *bs,
566 struct vdec_fb *fb, bool *res_chg)
567 {
568 struct vdec_h264_slice_inst *inst = h_vdec;
569 struct vdec_vpu_inst *vpu = &inst->vpu;
570 struct mtk_video_dec_buf *src_buf_info;
571 int nal_start_idx, err, timeout = 0, i;
572 unsigned int data[2];
573 struct vdec_lat_buf *lat_buf;
574 struct vdec_h264_slice_share_info *share_info;
575 unsigned char *buf;
576 struct mtk_vcodec_mem *mem;
577
578 if (vdec_msg_queue_init(&inst->ctx->msg_queue, inst->ctx,
579 vdec_h264_slice_core_decode,
580 sizeof(*share_info)))
581 return -ENOMEM;
582
583 /* bs NULL means flush decoder */
584 if (!bs) {
585 vdec_msg_queue_wait_lat_buf_full(&inst->ctx->msg_queue);
586 return vpu_dec_reset(vpu);
587 }
588
589 if (inst->is_field_bitstream)
590 return -EINVAL;
591
592 lat_buf = vdec_msg_queue_dqbuf(&inst->ctx->msg_queue.lat_ctx);
593 if (!lat_buf) {
594 mtk_vdec_debug(inst->ctx, "failed to get lat buffer");
595 return -EAGAIN;
596 }
597 share_info = lat_buf->private_data;
598 src_buf_info = container_of(bs, struct mtk_video_dec_buf, bs_buffer);
599
600 buf = (unsigned char *)bs->va;
601 nal_start_idx = mtk_vdec_h264_find_start_code(buf, bs->size);
602 if (nal_start_idx < 0) {
603 err = -EINVAL;
604 goto err_free_fb_out;
605 }
606
607 inst->vsi->dec.nal_info = buf[nal_start_idx];
608 lat_buf->src_buf_req = src_buf_info->m2m_buf.vb.vb2_buf.req_obj.req;
609 v4l2_m2m_buf_copy_metadata(&src_buf_info->m2m_buf.vb, &lat_buf->ts_info, true);
610
611 err = vdec_h264_slice_fill_decode_parameters(inst, share_info);
612 if (err)
613 goto err_free_fb_out;
614
615 vdec_h264_insert_startcode(inst->ctx->dev, buf, &bs->size,
616 &share_info->h264_slice_params.pps);
617
618 inst->vsi->dec.bs_buf_addr = (uint64_t)bs->dma_addr;
619 inst->vsi->dec.bs_buf_size = bs->size;
620
621 *res_chg = inst->resolution_changed;
622 if (inst->resolution_changed) {
623 mtk_vdec_debug(inst->ctx, "- resolution changed -");
624 if (inst->realloc_mv_buf) {
625 err = vdec_h264_slice_alloc_mv_buf(inst, &inst->ctx->picinfo);
626 inst->realloc_mv_buf = false;
627 if (err)
628 goto err_free_fb_out;
629 }
630 inst->resolution_changed = false;
631 }
632 for (i = 0; i < H264_MAX_MV_NUM; i++) {
633 mem = &inst->mv_buf[i];
634 inst->vsi->mv_buf_dma[i] = mem->dma_addr;
635 }
636 inst->vsi->wdma_start_addr = lat_buf->ctx->msg_queue.wdma_addr.dma_addr;
637 inst->vsi->wdma_end_addr = lat_buf->ctx->msg_queue.wdma_addr.dma_addr +
638 lat_buf->ctx->msg_queue.wdma_addr.size;
639 inst->vsi->wdma_err_addr = lat_buf->wdma_err_addr.dma_addr;
640 inst->vsi->slice_bc_start_addr = lat_buf->slice_bc_addr.dma_addr;
641 inst->vsi->slice_bc_end_addr = lat_buf->slice_bc_addr.dma_addr +
642 lat_buf->slice_bc_addr.size;
643
644 inst->vsi->trans_end = inst->ctx->msg_queue.wdma_rptr_addr;
645 inst->vsi->trans_start = inst->ctx->msg_queue.wdma_wptr_addr;
646 mtk_vdec_debug(inst->ctx, "lat:trans(0x%llx 0x%llx) err:0x%llx",
647 inst->vsi->wdma_start_addr,
648 inst->vsi->wdma_end_addr,
649 inst->vsi->wdma_err_addr);
650
651 mtk_vdec_debug(inst->ctx, "slice(0x%llx 0x%llx) rprt((0x%llx 0x%llx))",
652 inst->vsi->slice_bc_start_addr,
653 inst->vsi->slice_bc_end_addr,
654 inst->vsi->trans_start,
655 inst->vsi->trans_end);
656 err = vpu_dec_start(vpu, data, 2);
657 if (err) {
658 mtk_vdec_debug(inst->ctx, "lat decode err: %d", err);
659 goto err_free_fb_out;
660 }
661
662 share_info->trans_end = inst->ctx->msg_queue.wdma_addr.dma_addr +
663 inst->vsi->wdma_end_addr_offset;
664 share_info->trans_start = inst->ctx->msg_queue.wdma_wptr_addr;
665 share_info->nal_info = inst->vsi->dec.nal_info;
666
667 if (IS_VDEC_INNER_RACING(inst->ctx->dev->dec_capability)) {
668 memcpy(&share_info->h264_slice_params, &inst->vsi->h264_slice_params,
669 sizeof(share_info->h264_slice_params));
670 vdec_msg_queue_qbuf(&inst->ctx->msg_queue.core_ctx, lat_buf);
671 }
672
673 /* wait decoder done interrupt */
674 timeout = mtk_vcodec_wait_for_done_ctx(inst->ctx, MTK_INST_IRQ_RECEIVED,
675 WAIT_INTR_TIMEOUT_MS, MTK_VDEC_LAT0);
676 if (timeout)
677 mtk_vdec_err(inst->ctx, "lat decode timeout: pic_%d", inst->slice_dec_num);
678 inst->vsi->dec.timeout = !!timeout;
679
680 err = vpu_dec_end(vpu);
681 if (err == SLICE_HEADER_FULL || err == TRANS_BUFFER_FULL) {
682 if (!IS_VDEC_INNER_RACING(inst->ctx->dev->dec_capability))
683 vdec_msg_queue_qbuf(&inst->ctx->msg_queue.lat_ctx, lat_buf);
684 inst->slice_dec_num++;
685 mtk_vdec_err(inst->ctx, "lat dec fail: pic_%d err:%d", inst->slice_dec_num, err);
686 return -EINVAL;
687 }
688
689 share_info->trans_end = inst->ctx->msg_queue.wdma_addr.dma_addr +
690 inst->vsi->wdma_end_addr_offset;
691 vdec_msg_queue_update_ube_wptr(&lat_buf->ctx->msg_queue, share_info->trans_end);
692
693 if (!IS_VDEC_INNER_RACING(inst->ctx->dev->dec_capability)) {
694 memcpy(&share_info->h264_slice_params, &inst->vsi->h264_slice_params,
695 sizeof(share_info->h264_slice_params));
696 vdec_msg_queue_qbuf(&inst->ctx->msg_queue.core_ctx, lat_buf);
697 }
698 mtk_vdec_debug(inst->ctx, "dec num: %d lat crc: 0x%x 0x%x 0x%x", inst->slice_dec_num,
699 inst->vsi->dec.crc[0], inst->vsi->dec.crc[1], inst->vsi->dec.crc[2]);
700
701 inst->slice_dec_num++;
702 return 0;
703 err_free_fb_out:
704 vdec_msg_queue_qbuf(&inst->ctx->msg_queue.lat_ctx, lat_buf);
705 mtk_vdec_err(inst->ctx, "slice dec number: %d err: %d", inst->slice_dec_num, err);
706 return err;
707 }
708
vdec_h264_slice_single_decode(void * h_vdec,struct mtk_vcodec_mem * bs,struct vdec_fb * unused,bool * res_chg)709 static int vdec_h264_slice_single_decode(void *h_vdec, struct mtk_vcodec_mem *bs,
710 struct vdec_fb *unused, bool *res_chg)
711 {
712 struct vdec_h264_slice_inst *inst = h_vdec;
713 struct vdec_vpu_inst *vpu = &inst->vpu;
714 struct mtk_video_dec_buf *src_buf_info, *dst_buf_info;
715 struct vdec_fb *fb;
716 unsigned char *buf;
717 unsigned int data[2], i;
718 u64 y_fb_dma, c_fb_dma;
719 struct mtk_vcodec_mem *mem;
720 int err, nal_start_idx;
721
722 /* bs NULL means flush decoder */
723 if (!bs)
724 return vpu_dec_reset(vpu);
725
726 fb = inst->ctx->dev->vdec_pdata->get_cap_buffer(inst->ctx);
727 if (!fb) {
728 mtk_vdec_err(inst->ctx, "fb buffer is NULL");
729 return -ENOMEM;
730 }
731
732 src_buf_info = container_of(bs, struct mtk_video_dec_buf, bs_buffer);
733 dst_buf_info = container_of(fb, struct mtk_video_dec_buf, frame_buffer);
734
735 y_fb_dma = fb->base_y.dma_addr;
736 c_fb_dma = fb->base_c.dma_addr;
737 mtk_vdec_debug(inst->ctx, "[h264-dec] [%d] y_dma=%llx c_dma=%llx",
738 inst->ctx->decoded_frame_cnt, y_fb_dma, c_fb_dma);
739
740 inst->vsi_ctx.dec.bs_buf_addr = (u64)bs->dma_addr;
741 inst->vsi_ctx.dec.bs_buf_size = bs->size;
742 inst->vsi_ctx.dec.y_fb_dma = y_fb_dma;
743 inst->vsi_ctx.dec.c_fb_dma = c_fb_dma;
744 inst->vsi_ctx.dec.vdec_fb_va = (u64)(uintptr_t)fb;
745
746 v4l2_m2m_buf_copy_metadata(&src_buf_info->m2m_buf.vb,
747 &dst_buf_info->m2m_buf.vb, true);
748 err = get_vdec_sig_decode_parameters(inst);
749 if (err)
750 goto err_free_fb_out;
751
752 buf = (unsigned char *)bs->va;
753 nal_start_idx = mtk_vdec_h264_find_start_code(buf, bs->size);
754 if (nal_start_idx < 0) {
755 err = -EINVAL;
756 goto err_free_fb_out;
757 }
758 inst->vsi_ctx.dec.nal_info = buf[nal_start_idx];
759
760 *res_chg = inst->resolution_changed;
761 if (inst->resolution_changed) {
762 mtk_vdec_debug(inst->ctx, "- resolution changed -");
763 if (inst->realloc_mv_buf) {
764 err = vdec_h264_slice_alloc_mv_buf(inst, &inst->ctx->picinfo);
765 inst->realloc_mv_buf = false;
766 if (err)
767 goto err_free_fb_out;
768 }
769 inst->resolution_changed = false;
770
771 for (i = 0; i < H264_MAX_MV_NUM; i++) {
772 mem = &inst->mv_buf[i];
773 inst->vsi_ctx.mv_buf_dma[i] = mem->dma_addr;
774 }
775 }
776
777 memcpy(inst->vpu.vsi, &inst->vsi_ctx, sizeof(inst->vsi_ctx));
778 err = vpu_dec_start(vpu, data, 2);
779 if (err)
780 goto err_free_fb_out;
781
782 /* wait decoder done interrupt */
783 err = mtk_vcodec_wait_for_done_ctx(inst->ctx, MTK_INST_IRQ_RECEIVED,
784 WAIT_INTR_TIMEOUT_MS, MTK_VDEC_CORE);
785 if (err)
786 mtk_vdec_err(inst->ctx, "decode timeout: pic_%d", inst->ctx->decoded_frame_cnt);
787
788 inst->vsi->dec.timeout = !!err;
789 err = vpu_dec_end(vpu);
790 if (err)
791 goto err_free_fb_out;
792
793 memcpy(&inst->vsi_ctx, inst->vpu.vsi, sizeof(inst->vsi_ctx));
794 mtk_vdec_debug(inst->ctx, "pic[%d] crc: 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x",
795 inst->ctx->decoded_frame_cnt,
796 inst->vsi_ctx.dec.crc[0], inst->vsi_ctx.dec.crc[1],
797 inst->vsi_ctx.dec.crc[2], inst->vsi_ctx.dec.crc[3],
798 inst->vsi_ctx.dec.crc[4], inst->vsi_ctx.dec.crc[5],
799 inst->vsi_ctx.dec.crc[6], inst->vsi_ctx.dec.crc[7]);
800
801 inst->ctx->decoded_frame_cnt++;
802 return 0;
803
804 err_free_fb_out:
805 mtk_vdec_err(inst->ctx, "dec frame number: %d err: %d", inst->ctx->decoded_frame_cnt, err);
806 return err;
807 }
808
vdec_h264_slice_decode(void * h_vdec,struct mtk_vcodec_mem * bs,struct vdec_fb * unused,bool * res_chg)809 static int vdec_h264_slice_decode(void *h_vdec, struct mtk_vcodec_mem *bs,
810 struct vdec_fb *unused, bool *res_chg)
811 {
812 struct vdec_h264_slice_inst *inst = h_vdec;
813 int ret;
814
815 if (!h_vdec)
816 return -EINVAL;
817
818 if (inst->ctx->dev->vdec_pdata->hw_arch == MTK_VDEC_PURE_SINGLE_CORE)
819 ret = vdec_h264_slice_single_decode(h_vdec, bs, unused, res_chg);
820 else
821 ret = vdec_h264_slice_lat_decode(h_vdec, bs, unused, res_chg);
822
823 return ret;
824 }
825
vdec_h264_slice_get_param(void * h_vdec,enum vdec_get_param_type type,void * out)826 static int vdec_h264_slice_get_param(void *h_vdec, enum vdec_get_param_type type,
827 void *out)
828 {
829 struct vdec_h264_slice_inst *inst = h_vdec;
830
831 switch (type) {
832 case GET_PARAM_PIC_INFO:
833 vdec_h264_slice_get_pic_info(inst);
834 break;
835 case GET_PARAM_DPB_SIZE:
836 *(unsigned int *)out = 6;
837 break;
838 case GET_PARAM_CROP_INFO:
839 vdec_h264_slice_get_crop_info(inst, out);
840 break;
841 default:
842 mtk_vdec_err(inst->ctx, "invalid get parameter type=%d", type);
843 return -EINVAL;
844 }
845 return 0;
846 }
847
848 const struct vdec_common_if vdec_h264_slice_multi_if = {
849 .init = vdec_h264_slice_init,
850 .decode = vdec_h264_slice_decode,
851 .get_param = vdec_h264_slice_get_param,
852 .deinit = vdec_h264_slice_deinit,
853 };
854