1 // SPDX-License-Identifier: GPL-2.0
2 /*
3  * Copyright (c) 2016 MediaTek Inc.
4  * Author: PC Chen <pc.chen@mediatek.com>
5  *         Tiffany Lin <tiffany.lin@mediatek.com>
6  */
7 
8 #include <media/v4l2-event.h>
9 #include <media/v4l2-mem2mem.h>
10 #include <media/videobuf2-dma-contig.h>
11 
12 #include "mtk_vcodec_dec_drv.h"
13 #include "mtk_vcodec_dec.h"
14 #include "vdec_drv_if.h"
15 #include "mtk_vcodec_dec_pm.h"
16 
17 #define DFT_CFG_WIDTH	MTK_VDEC_MIN_W
18 #define DFT_CFG_HEIGHT	MTK_VDEC_MIN_H
19 
20 static const struct mtk_video_fmt *
mtk_vdec_find_format(struct v4l2_format * f,const struct mtk_vcodec_dec_pdata * dec_pdata)21 mtk_vdec_find_format(struct v4l2_format *f,
22 		     const struct mtk_vcodec_dec_pdata *dec_pdata)
23 {
24 	const struct mtk_video_fmt *fmt;
25 	unsigned int k;
26 
27 	for (k = 0; k < *dec_pdata->num_formats; k++) {
28 		fmt = &dec_pdata->vdec_formats[k];
29 		if (fmt->fourcc == f->fmt.pix_mp.pixelformat)
30 			return fmt;
31 	}
32 
33 	return NULL;
34 }
35 
mtk_vdec_get_cap_fmt(struct mtk_vcodec_dec_ctx * ctx,int format_index)36 static bool mtk_vdec_get_cap_fmt(struct mtk_vcodec_dec_ctx *ctx, int format_index)
37 {
38 	const struct mtk_vcodec_dec_pdata *dec_pdata = ctx->dev->vdec_pdata;
39 	const struct mtk_video_fmt *fmt;
40 	struct mtk_q_data *q_data;
41 	int num_frame_count = 0, i;
42 	bool ret = false;
43 
44 	fmt = &dec_pdata->vdec_formats[format_index];
45 	for (i = 0; i < *dec_pdata->num_formats; i++) {
46 		if (dec_pdata->vdec_formats[i].type != MTK_FMT_FRAME)
47 			continue;
48 
49 		num_frame_count++;
50 	}
51 
52 	if (num_frame_count == 1 || (!ctx->is_10bit_bitstream && fmt->fourcc == V4L2_PIX_FMT_MM21))
53 		return true;
54 
55 	q_data = &ctx->q_data[MTK_Q_DATA_SRC];
56 	switch (q_data->fmt->fourcc) {
57 	case V4L2_PIX_FMT_H264_SLICE:
58 		if (ctx->is_10bit_bitstream && fmt->fourcc == V4L2_PIX_FMT_MT2110R)
59 			ret = true;
60 		break;
61 	case V4L2_PIX_FMT_VP9_FRAME:
62 	case V4L2_PIX_FMT_AV1_FRAME:
63 	case V4L2_PIX_FMT_HEVC_SLICE:
64 		if (ctx->is_10bit_bitstream && fmt->fourcc == V4L2_PIX_FMT_MT2110T)
65 			ret = true;
66 		break;
67 	default:
68 		break;
69 	}
70 
71 	return ret;
72 }
73 
mtk_vdec_get_q_data(struct mtk_vcodec_dec_ctx * ctx,enum v4l2_buf_type type)74 static struct mtk_q_data *mtk_vdec_get_q_data(struct mtk_vcodec_dec_ctx *ctx,
75 					      enum v4l2_buf_type type)
76 {
77 	if (V4L2_TYPE_IS_OUTPUT(type))
78 		return &ctx->q_data[MTK_Q_DATA_SRC];
79 
80 	return &ctx->q_data[MTK_Q_DATA_DST];
81 }
82 
vidioc_try_decoder_cmd(struct file * file,void * priv,struct v4l2_decoder_cmd * cmd)83 static int vidioc_try_decoder_cmd(struct file *file, void *priv,
84 				struct v4l2_decoder_cmd *cmd)
85 {
86 	return v4l2_m2m_ioctl_try_decoder_cmd(file, priv, cmd);
87 }
88 
89 
vidioc_decoder_cmd(struct file * file,void * priv,struct v4l2_decoder_cmd * cmd)90 static int vidioc_decoder_cmd(struct file *file, void *priv,
91 				struct v4l2_decoder_cmd *cmd)
92 {
93 	struct mtk_vcodec_dec_ctx *ctx = fh_to_dec_ctx(priv);
94 	struct vb2_queue *src_vq, *dst_vq;
95 	int ret;
96 
97 	ret = vidioc_try_decoder_cmd(file, priv, cmd);
98 	if (ret)
99 		return ret;
100 
101 	mtk_v4l2_vdec_dbg(1, ctx, "decoder cmd=%u", cmd->cmd);
102 	dst_vq = v4l2_m2m_get_vq(ctx->m2m_ctx,
103 				V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE);
104 	switch (cmd->cmd) {
105 	case V4L2_DEC_CMD_STOP:
106 		src_vq = v4l2_m2m_get_vq(ctx->m2m_ctx,
107 				V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE);
108 		if (!vb2_is_streaming(src_vq)) {
109 			mtk_v4l2_vdec_dbg(1, ctx, "Output stream is off. No need to flush.");
110 			return 0;
111 		}
112 		if (!vb2_is_streaming(dst_vq)) {
113 			mtk_v4l2_vdec_dbg(1, ctx, "Capture stream is off. No need to flush.");
114 			return 0;
115 		}
116 		v4l2_m2m_buf_queue(ctx->m2m_ctx, &ctx->empty_flush_buf.vb);
117 		v4l2_m2m_try_schedule(ctx->m2m_ctx);
118 		break;
119 
120 	case V4L2_DEC_CMD_START:
121 		vb2_clear_last_buffer_dequeued(dst_vq);
122 		break;
123 
124 	default:
125 		return -EINVAL;
126 	}
127 
128 	return 0;
129 }
130 
mtk_vdec_unlock(struct mtk_vcodec_dec_ctx * ctx)131 void mtk_vdec_unlock(struct mtk_vcodec_dec_ctx *ctx)
132 {
133 	mutex_unlock(&ctx->dev->dec_mutex[ctx->hw_id]);
134 }
135 
mtk_vdec_lock(struct mtk_vcodec_dec_ctx * ctx)136 void mtk_vdec_lock(struct mtk_vcodec_dec_ctx *ctx)
137 {
138 	mutex_lock(&ctx->dev->dec_mutex[ctx->hw_id]);
139 }
140 
mtk_vcodec_dec_release(struct mtk_vcodec_dec_ctx * ctx)141 void mtk_vcodec_dec_release(struct mtk_vcodec_dec_ctx *ctx)
142 {
143 	vdec_if_deinit(ctx);
144 	ctx->state = MTK_STATE_FREE;
145 }
146 
mtk_vcodec_dec_set_default_params(struct mtk_vcodec_dec_ctx * ctx)147 void mtk_vcodec_dec_set_default_params(struct mtk_vcodec_dec_ctx *ctx)
148 {
149 	struct mtk_q_data *q_data;
150 
151 	ctx->m2m_ctx->q_lock = &ctx->dev->dev_mutex;
152 	ctx->fh.m2m_ctx = ctx->m2m_ctx;
153 	ctx->fh.ctrl_handler = &ctx->ctrl_hdl;
154 	INIT_WORK(&ctx->decode_work, ctx->dev->vdec_pdata->worker);
155 	ctx->colorspace = V4L2_COLORSPACE_REC709;
156 	ctx->ycbcr_enc = V4L2_YCBCR_ENC_DEFAULT;
157 	ctx->quantization = V4L2_QUANTIZATION_DEFAULT;
158 	ctx->xfer_func = V4L2_XFER_FUNC_DEFAULT;
159 
160 	q_data = &ctx->q_data[MTK_Q_DATA_SRC];
161 	memset(q_data, 0, sizeof(struct mtk_q_data));
162 	q_data->visible_width = DFT_CFG_WIDTH;
163 	q_data->visible_height = DFT_CFG_HEIGHT;
164 	q_data->fmt = ctx->dev->vdec_pdata->default_out_fmt;
165 	q_data->field = V4L2_FIELD_NONE;
166 
167 	q_data->sizeimage[0] = DFT_CFG_WIDTH * DFT_CFG_HEIGHT;
168 	q_data->bytesperline[0] = 0;
169 
170 	q_data = &ctx->q_data[MTK_Q_DATA_DST];
171 	memset(q_data, 0, sizeof(struct mtk_q_data));
172 	q_data->visible_width = DFT_CFG_WIDTH;
173 	q_data->visible_height = DFT_CFG_HEIGHT;
174 	q_data->coded_width = DFT_CFG_WIDTH;
175 	q_data->coded_height = DFT_CFG_HEIGHT;
176 	q_data->fmt = ctx->dev->vdec_pdata->default_cap_fmt;
177 	q_data->field = V4L2_FIELD_NONE;
178 
179 	q_data->sizeimage[0] = q_data->coded_width * q_data->coded_height;
180 	q_data->bytesperline[0] = q_data->coded_width;
181 	q_data->sizeimage[1] = q_data->sizeimage[0] / 2;
182 	q_data->bytesperline[1] = q_data->coded_width;
183 }
184 
vidioc_vdec_qbuf(struct file * file,void * priv,struct v4l2_buffer * buf)185 static int vidioc_vdec_qbuf(struct file *file, void *priv,
186 			    struct v4l2_buffer *buf)
187 {
188 	struct mtk_vcodec_dec_ctx *ctx = fh_to_dec_ctx(priv);
189 
190 	if (ctx->state == MTK_STATE_ABORT) {
191 		mtk_v4l2_vdec_err(ctx, "[%d] Call on QBUF after unrecoverable error", ctx->id);
192 		return -EIO;
193 	}
194 
195 	return v4l2_m2m_qbuf(file, ctx->m2m_ctx, buf);
196 }
197 
vidioc_vdec_dqbuf(struct file * file,void * priv,struct v4l2_buffer * buf)198 static int vidioc_vdec_dqbuf(struct file *file, void *priv,
199 			     struct v4l2_buffer *buf)
200 {
201 	struct mtk_vcodec_dec_ctx *ctx = fh_to_dec_ctx(priv);
202 
203 	if (ctx->state == MTK_STATE_ABORT) {
204 		mtk_v4l2_vdec_err(ctx, "[%d] Call on DQBUF after unrecoverable error", ctx->id);
205 		return -EIO;
206 	}
207 
208 	return v4l2_m2m_dqbuf(file, ctx->m2m_ctx, buf);
209 }
210 
vidioc_vdec_querycap(struct file * file,void * priv,struct v4l2_capability * cap)211 static int vidioc_vdec_querycap(struct file *file, void *priv,
212 				struct v4l2_capability *cap)
213 {
214 	struct mtk_vcodec_dec_ctx *ctx = fh_to_dec_ctx(priv);
215 	struct device *dev = &ctx->dev->plat_dev->dev;
216 
217 	strscpy(cap->driver, dev->driver->name, sizeof(cap->driver));
218 	snprintf(cap->card, sizeof(cap->card), "MT%d video decoder", ctx->dev->chip_name);
219 
220 	return 0;
221 }
222 
vidioc_vdec_subscribe_evt(struct v4l2_fh * fh,const struct v4l2_event_subscription * sub)223 static int vidioc_vdec_subscribe_evt(struct v4l2_fh *fh,
224 				     const struct v4l2_event_subscription *sub)
225 {
226 	struct mtk_vcodec_dec_ctx *ctx = fh_to_dec_ctx(fh);
227 
228 	if (ctx->dev->vdec_pdata->uses_stateless_api)
229 		return v4l2_ctrl_subscribe_event(fh, sub);
230 
231 	switch (sub->type) {
232 	case V4L2_EVENT_EOS:
233 		return v4l2_event_subscribe(fh, sub, 2, NULL);
234 	case V4L2_EVENT_SOURCE_CHANGE:
235 		return v4l2_src_change_event_subscribe(fh, sub);
236 	default:
237 		return v4l2_ctrl_subscribe_event(fh, sub);
238 	}
239 }
240 
vidioc_try_fmt(struct mtk_vcodec_dec_ctx * ctx,struct v4l2_format * f,const struct mtk_video_fmt * fmt)241 static int vidioc_try_fmt(struct mtk_vcodec_dec_ctx *ctx, struct v4l2_format *f,
242 			  const struct mtk_video_fmt *fmt)
243 {
244 	struct v4l2_pix_format_mplane *pix_fmt_mp = &f->fmt.pix_mp;
245 	const struct v4l2_frmsize_stepwise *frmsize;
246 
247 	pix_fmt_mp->field = V4L2_FIELD_NONE;
248 
249 	/* Always apply frame size constraints from the coded side */
250 	if (V4L2_TYPE_IS_OUTPUT(f->type))
251 		frmsize = &fmt->frmsize;
252 	else
253 		frmsize = &ctx->q_data[MTK_Q_DATA_SRC].fmt->frmsize;
254 
255 	pix_fmt_mp->width = clamp(pix_fmt_mp->width, MTK_VDEC_MIN_W, frmsize->max_width);
256 	pix_fmt_mp->height = clamp(pix_fmt_mp->height, MTK_VDEC_MIN_H, frmsize->max_height);
257 
258 	if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
259 		pix_fmt_mp->num_planes = 1;
260 		pix_fmt_mp->plane_fmt[0].bytesperline = 0;
261 	} else if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
262 		int tmp_w, tmp_h;
263 
264 		/*
265 		 * Find next closer width align 64, heign align 64, size align
266 		 * 64 rectangle
267 		 * Note: This only get default value, the real HW needed value
268 		 *       only available when ctx in MTK_STATE_HEADER state
269 		 */
270 		tmp_w = pix_fmt_mp->width;
271 		tmp_h = pix_fmt_mp->height;
272 		v4l_bound_align_image(&pix_fmt_mp->width, MTK_VDEC_MIN_W, frmsize->max_width, 6,
273 				      &pix_fmt_mp->height, MTK_VDEC_MIN_H, frmsize->max_height, 6,
274 				      9);
275 
276 		if (pix_fmt_mp->width < tmp_w &&
277 		    (pix_fmt_mp->width + 64) <= frmsize->max_width)
278 			pix_fmt_mp->width += 64;
279 		if (pix_fmt_mp->height < tmp_h &&
280 		    (pix_fmt_mp->height + 64) <= frmsize->max_height)
281 			pix_fmt_mp->height += 64;
282 
283 		mtk_v4l2_vdec_dbg(0, ctx,
284 				  "before resize wxh=%dx%d, after resize wxh=%dx%d, sizeimage=%d",
285 				  tmp_w, tmp_h, pix_fmt_mp->width, pix_fmt_mp->height,
286 				  pix_fmt_mp->width * pix_fmt_mp->height);
287 
288 		pix_fmt_mp->num_planes = fmt->num_planes;
289 		pix_fmt_mp->plane_fmt[0].sizeimage =
290 				pix_fmt_mp->width * pix_fmt_mp->height;
291 		pix_fmt_mp->plane_fmt[0].bytesperline = pix_fmt_mp->width;
292 
293 		if (pix_fmt_mp->num_planes == 2) {
294 			pix_fmt_mp->plane_fmt[1].sizeimage =
295 				(pix_fmt_mp->width * pix_fmt_mp->height) / 2;
296 			pix_fmt_mp->plane_fmt[1].bytesperline =
297 				pix_fmt_mp->width;
298 		}
299 	}
300 
301 	pix_fmt_mp->flags = 0;
302 	return 0;
303 }
304 
vidioc_try_fmt_vid_cap_mplane(struct file * file,void * priv,struct v4l2_format * f)305 static int vidioc_try_fmt_vid_cap_mplane(struct file *file, void *priv,
306 				struct v4l2_format *f)
307 {
308 	const struct mtk_video_fmt *fmt;
309 	struct mtk_vcodec_dec_ctx *ctx = fh_to_dec_ctx(priv);
310 	const struct mtk_vcodec_dec_pdata *dec_pdata = ctx->dev->vdec_pdata;
311 
312 	fmt = mtk_vdec_find_format(f, dec_pdata);
313 	if (!fmt) {
314 		f->fmt.pix.pixelformat =
315 			ctx->q_data[MTK_Q_DATA_DST].fmt->fourcc;
316 		fmt = mtk_vdec_find_format(f, dec_pdata);
317 	}
318 
319 	return vidioc_try_fmt(ctx, f, fmt);
320 }
321 
vidioc_try_fmt_vid_out_mplane(struct file * file,void * priv,struct v4l2_format * f)322 static int vidioc_try_fmt_vid_out_mplane(struct file *file, void *priv,
323 				struct v4l2_format *f)
324 {
325 	struct v4l2_pix_format_mplane *pix_fmt_mp = &f->fmt.pix_mp;
326 	const struct mtk_video_fmt *fmt;
327 	struct mtk_vcodec_dec_ctx *ctx = fh_to_dec_ctx(priv);
328 	const struct mtk_vcodec_dec_pdata *dec_pdata = ctx->dev->vdec_pdata;
329 
330 	fmt = mtk_vdec_find_format(f, dec_pdata);
331 	if (!fmt) {
332 		f->fmt.pix.pixelformat =
333 			ctx->q_data[MTK_Q_DATA_SRC].fmt->fourcc;
334 		fmt = mtk_vdec_find_format(f, dec_pdata);
335 	}
336 
337 	if (pix_fmt_mp->plane_fmt[0].sizeimage == 0) {
338 		mtk_v4l2_vdec_err(ctx, "sizeimage of output format must be given");
339 		return -EINVAL;
340 	}
341 
342 	return vidioc_try_fmt(ctx, f, fmt);
343 }
344 
vidioc_vdec_g_selection(struct file * file,void * priv,struct v4l2_selection * s)345 static int vidioc_vdec_g_selection(struct file *file, void *priv,
346 			struct v4l2_selection *s)
347 {
348 	struct mtk_vcodec_dec_ctx *ctx = fh_to_dec_ctx(priv);
349 	struct mtk_q_data *q_data;
350 
351 	if (s->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
352 		return -EINVAL;
353 
354 	q_data = &ctx->q_data[MTK_Q_DATA_DST];
355 
356 	switch (s->target) {
357 	case V4L2_SEL_TGT_COMPOSE_DEFAULT:
358 		s->r.left = 0;
359 		s->r.top = 0;
360 		s->r.width = ctx->picinfo.pic_w;
361 		s->r.height = ctx->picinfo.pic_h;
362 		break;
363 	case V4L2_SEL_TGT_COMPOSE_BOUNDS:
364 		s->r.left = 0;
365 		s->r.top = 0;
366 		s->r.width = ctx->picinfo.buf_w;
367 		s->r.height = ctx->picinfo.buf_h;
368 		break;
369 	case V4L2_SEL_TGT_COMPOSE:
370 		if (vdec_if_get_param(ctx, GET_PARAM_CROP_INFO, &(s->r))) {
371 			/* set to default value if header info not ready yet*/
372 			s->r.left = 0;
373 			s->r.top = 0;
374 			s->r.width = q_data->visible_width;
375 			s->r.height = q_data->visible_height;
376 		}
377 		break;
378 	default:
379 		return -EINVAL;
380 	}
381 
382 	if (ctx->state < MTK_STATE_HEADER) {
383 		/* set to default value if header info not ready yet*/
384 		s->r.left = 0;
385 		s->r.top = 0;
386 		s->r.width = q_data->visible_width;
387 		s->r.height = q_data->visible_height;
388 		return 0;
389 	}
390 
391 	return 0;
392 }
393 
vidioc_vdec_s_selection(struct file * file,void * priv,struct v4l2_selection * s)394 static int vidioc_vdec_s_selection(struct file *file, void *priv,
395 				struct v4l2_selection *s)
396 {
397 	struct mtk_vcodec_dec_ctx *ctx = fh_to_dec_ctx(priv);
398 
399 	if (s->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
400 		return -EINVAL;
401 
402 	switch (s->target) {
403 	case V4L2_SEL_TGT_COMPOSE:
404 		s->r.left = 0;
405 		s->r.top = 0;
406 		s->r.width = ctx->picinfo.pic_w;
407 		s->r.height = ctx->picinfo.pic_h;
408 		break;
409 	default:
410 		return -EINVAL;
411 	}
412 
413 	return 0;
414 }
415 
vidioc_vdec_s_fmt(struct file * file,void * priv,struct v4l2_format * f)416 static int vidioc_vdec_s_fmt(struct file *file, void *priv,
417 			     struct v4l2_format *f)
418 {
419 	struct mtk_vcodec_dec_ctx *ctx = fh_to_dec_ctx(priv);
420 	struct v4l2_pix_format_mplane *pix_mp;
421 	struct mtk_q_data *q_data;
422 	int ret = 0;
423 	const struct mtk_video_fmt *fmt;
424 	const struct mtk_vcodec_dec_pdata *dec_pdata = ctx->dev->vdec_pdata;
425 
426 	mtk_v4l2_vdec_dbg(3, ctx, "[%d]", ctx->id);
427 
428 	q_data = mtk_vdec_get_q_data(ctx, f->type);
429 	if (!q_data)
430 		return -EINVAL;
431 
432 	pix_mp = &f->fmt.pix_mp;
433 	/*
434 	 * Setting OUTPUT format after OUTPUT buffers are allocated is invalid
435 	 * if using the stateful API.
436 	 */
437 	if (!dec_pdata->uses_stateless_api &&
438 	    f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE &&
439 	    vb2_is_busy(&ctx->m2m_ctx->out_q_ctx.q)) {
440 		mtk_v4l2_vdec_err(ctx, "out_q_ctx buffers already requested");
441 		ret = -EBUSY;
442 	}
443 
444 	/*
445 	 * Setting CAPTURE format after CAPTURE buffers are allocated is
446 	 * invalid.
447 	 */
448 	if ((f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) &&
449 	    vb2_is_busy(&ctx->m2m_ctx->cap_q_ctx.q)) {
450 		mtk_v4l2_vdec_err(ctx, "cap_q_ctx buffers already requested");
451 		ret = -EBUSY;
452 	}
453 
454 	fmt = mtk_vdec_find_format(f, dec_pdata);
455 	if (fmt == NULL) {
456 		if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
457 			f->fmt.pix.pixelformat =
458 				dec_pdata->default_out_fmt->fourcc;
459 			fmt = mtk_vdec_find_format(f, dec_pdata);
460 		} else if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
461 			f->fmt.pix.pixelformat =
462 				dec_pdata->default_cap_fmt->fourcc;
463 			fmt = mtk_vdec_find_format(f, dec_pdata);
464 		}
465 	}
466 	if (fmt == NULL)
467 		return -EINVAL;
468 
469 	q_data->fmt = fmt;
470 	vidioc_try_fmt(ctx, f, q_data->fmt);
471 	if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
472 		q_data->sizeimage[0] = pix_mp->plane_fmt[0].sizeimage;
473 		q_data->coded_width = pix_mp->width;
474 		q_data->coded_height = pix_mp->height;
475 
476 		ctx->colorspace = pix_mp->colorspace;
477 		ctx->ycbcr_enc = pix_mp->ycbcr_enc;
478 		ctx->quantization = pix_mp->quantization;
479 		ctx->xfer_func = pix_mp->xfer_func;
480 
481 		ctx->current_codec = fmt->fourcc;
482 		if (ctx->state == MTK_STATE_FREE) {
483 			ret = vdec_if_init(ctx, q_data->fmt->fourcc);
484 			if (ret) {
485 				mtk_v4l2_vdec_err(ctx, "[%d]: vdec_if_init() fail ret=%d",
486 						  ctx->id, ret);
487 				return -EINVAL;
488 			}
489 			ctx->state = MTK_STATE_INIT;
490 		}
491 	} else {
492 		ctx->capture_fourcc = fmt->fourcc;
493 	}
494 
495 	/*
496 	 * If using the stateless API, S_FMT should have the effect of setting
497 	 * the CAPTURE queue resolution no matter which queue it was called on.
498 	 */
499 	if (dec_pdata->uses_stateless_api) {
500 		ctx->picinfo.pic_w = pix_mp->width;
501 		ctx->picinfo.pic_h = pix_mp->height;
502 
503 		/*
504 		 * If get pic info fail, need to use the default pic info params, or
505 		 * v4l2-compliance will fail
506 		 */
507 		ret = vdec_if_get_param(ctx, GET_PARAM_PIC_INFO, &ctx->picinfo);
508 		if (ret) {
509 			mtk_v4l2_vdec_err(ctx, "[%d]Error!! Get GET_PARAM_PICTURE_INFO Fail",
510 					  ctx->id);
511 		}
512 
513 		ctx->last_decoded_picinfo = ctx->picinfo;
514 
515 		if (ctx->q_data[MTK_Q_DATA_DST].fmt->num_planes == 1) {
516 			ctx->q_data[MTK_Q_DATA_DST].sizeimage[0] =
517 				ctx->picinfo.fb_sz[0] +
518 				ctx->picinfo.fb_sz[1];
519 			ctx->q_data[MTK_Q_DATA_DST].bytesperline[0] =
520 				ctx->picinfo.buf_w;
521 		} else {
522 			ctx->q_data[MTK_Q_DATA_DST].sizeimage[0] =
523 				ctx->picinfo.fb_sz[0];
524 			ctx->q_data[MTK_Q_DATA_DST].bytesperline[0] =
525 				ctx->picinfo.buf_w;
526 			ctx->q_data[MTK_Q_DATA_DST].sizeimage[1] =
527 				ctx->picinfo.fb_sz[1];
528 			ctx->q_data[MTK_Q_DATA_DST].bytesperline[1] =
529 				ctx->picinfo.buf_w;
530 		}
531 
532 		ctx->q_data[MTK_Q_DATA_DST].coded_width = ctx->picinfo.buf_w;
533 		ctx->q_data[MTK_Q_DATA_DST].coded_height = ctx->picinfo.buf_h;
534 		mtk_v4l2_vdec_dbg(2, ctx,
535 				  "[%d] init() plane:%d wxh=%dx%d pic wxh=%dx%d sz=0x%x_0x%x",
536 				  ctx->id, pix_mp->num_planes,
537 				  ctx->picinfo.buf_w, ctx->picinfo.buf_h,
538 				  ctx->picinfo.pic_w, ctx->picinfo.pic_h,
539 				  ctx->q_data[MTK_Q_DATA_DST].sizeimage[0],
540 				  ctx->q_data[MTK_Q_DATA_DST].sizeimage[1]);
541 	}
542 	return 0;
543 }
544 
vidioc_enum_framesizes(struct file * file,void * priv,struct v4l2_frmsizeenum * fsize)545 static int vidioc_enum_framesizes(struct file *file, void *priv,
546 				struct v4l2_frmsizeenum *fsize)
547 {
548 	int i = 0;
549 	struct mtk_vcodec_dec_ctx *ctx = fh_to_dec_ctx(priv);
550 	const struct mtk_vcodec_dec_pdata *dec_pdata = ctx->dev->vdec_pdata;
551 
552 	if (fsize->index != 0)
553 		return -EINVAL;
554 
555 	for (i = 0; i < *dec_pdata->num_formats; i++) {
556 		if (fsize->pixel_format != dec_pdata->vdec_formats[i].fourcc)
557 			continue;
558 
559 		/* Only coded formats have frame sizes set */
560 		if (!dec_pdata->vdec_formats[i].frmsize.max_width)
561 			return -ENOTTY;
562 
563 		fsize->type = V4L2_FRMSIZE_TYPE_STEPWISE;
564 		fsize->stepwise = dec_pdata->vdec_formats[i].frmsize;
565 
566 		mtk_v4l2_vdec_dbg(1, ctx, "%x, %d %d %d %d %d %d",
567 				  ctx->dev->dec_capability, fsize->stepwise.min_width,
568 				  fsize->stepwise.max_width, fsize->stepwise.step_width,
569 				  fsize->stepwise.min_height, fsize->stepwise.max_height,
570 				  fsize->stepwise.step_height);
571 
572 		return 0;
573 	}
574 
575 	return -EINVAL;
576 }
577 
vidioc_enum_fmt(struct v4l2_fmtdesc * f,void * priv,bool output_queue)578 static int vidioc_enum_fmt(struct v4l2_fmtdesc *f, void *priv,
579 			   bool output_queue)
580 {
581 	struct mtk_vcodec_dec_ctx *ctx = fh_to_dec_ctx(priv);
582 	const struct mtk_vcodec_dec_pdata *dec_pdata = ctx->dev->vdec_pdata;
583 	const struct mtk_video_fmt *fmt;
584 	int i, j = 0;
585 
586 	for (i = 0; i < *dec_pdata->num_formats; i++) {
587 		if (output_queue &&
588 		    dec_pdata->vdec_formats[i].type != MTK_FMT_DEC)
589 			continue;
590 		if (!output_queue &&
591 		    dec_pdata->vdec_formats[i].type != MTK_FMT_FRAME)
592 			continue;
593 
594 		if (!output_queue && !mtk_vdec_get_cap_fmt(ctx, i))
595 			continue;
596 
597 		if (j == f->index)
598 			break;
599 		++j;
600 	}
601 
602 	if (i == *dec_pdata->num_formats)
603 		return -EINVAL;
604 
605 	fmt = &dec_pdata->vdec_formats[i];
606 	f->pixelformat = fmt->fourcc;
607 	f->flags = fmt->flags;
608 
609 	return 0;
610 }
611 
vidioc_vdec_enum_fmt_vid_cap(struct file * file,void * priv,struct v4l2_fmtdesc * f)612 static int vidioc_vdec_enum_fmt_vid_cap(struct file *file, void *priv,
613 					struct v4l2_fmtdesc *f)
614 {
615 	return vidioc_enum_fmt(f, priv, false);
616 }
617 
vidioc_vdec_enum_fmt_vid_out(struct file * file,void * priv,struct v4l2_fmtdesc * f)618 static int vidioc_vdec_enum_fmt_vid_out(struct file *file, void *priv,
619 					struct v4l2_fmtdesc *f)
620 {
621 	return vidioc_enum_fmt(f, priv, true);
622 }
623 
vidioc_vdec_g_fmt(struct file * file,void * priv,struct v4l2_format * f)624 static int vidioc_vdec_g_fmt(struct file *file, void *priv,
625 			     struct v4l2_format *f)
626 {
627 	struct mtk_vcodec_dec_ctx *ctx = fh_to_dec_ctx(priv);
628 	struct v4l2_pix_format_mplane *pix_mp = &f->fmt.pix_mp;
629 	struct vb2_queue *vq;
630 	struct mtk_q_data *q_data;
631 
632 	vq = v4l2_m2m_get_vq(ctx->m2m_ctx, f->type);
633 	if (!vq) {
634 		mtk_v4l2_vdec_err(ctx, "no vb2 queue for type=%d", f->type);
635 		return -EINVAL;
636 	}
637 
638 	q_data = mtk_vdec_get_q_data(ctx, f->type);
639 
640 	pix_mp->field = V4L2_FIELD_NONE;
641 	pix_mp->colorspace = ctx->colorspace;
642 	pix_mp->ycbcr_enc = ctx->ycbcr_enc;
643 	pix_mp->quantization = ctx->quantization;
644 	pix_mp->xfer_func = ctx->xfer_func;
645 
646 	if ((f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) &&
647 	    (ctx->state >= MTK_STATE_HEADER)) {
648 		/* Until STREAMOFF is called on the CAPTURE queue
649 		 * (acknowledging the event), the driver operates as if
650 		 * the resolution hasn't changed yet.
651 		 * So we just return picinfo yet, and update picinfo in
652 		 * stop_streaming hook function
653 		 */
654 		q_data->sizeimage[0] = ctx->picinfo.fb_sz[0];
655 		q_data->sizeimage[1] = ctx->picinfo.fb_sz[1];
656 		q_data->bytesperline[0] = ctx->last_decoded_picinfo.buf_w;
657 		q_data->bytesperline[1] = ctx->last_decoded_picinfo.buf_w;
658 		q_data->coded_width = ctx->picinfo.buf_w;
659 		q_data->coded_height = ctx->picinfo.buf_h;
660 		ctx->last_decoded_picinfo.cap_fourcc = q_data->fmt->fourcc;
661 
662 		/*
663 		 * Width and height are set to the dimensions
664 		 * of the movie, the buffer is bigger and
665 		 * further processing stages should crop to this
666 		 * rectangle.
667 		 */
668 		pix_mp->width = q_data->coded_width;
669 		pix_mp->height = q_data->coded_height;
670 
671 		/*
672 		 * Set pixelformat to the format in which mt vcodec
673 		 * outputs the decoded frame
674 		 */
675 		pix_mp->num_planes = q_data->fmt->num_planes;
676 		pix_mp->pixelformat = q_data->fmt->fourcc;
677 		pix_mp->plane_fmt[0].bytesperline = q_data->bytesperline[0];
678 		pix_mp->plane_fmt[0].sizeimage = q_data->sizeimage[0];
679 		pix_mp->plane_fmt[1].bytesperline = q_data->bytesperline[1];
680 		pix_mp->plane_fmt[1].sizeimage = q_data->sizeimage[1];
681 
682 	} else if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
683 		/*
684 		 * This is run on OUTPUT
685 		 * The buffer contains compressed image
686 		 * so width and height have no meaning.
687 		 * Assign value here to pass v4l2-compliance test
688 		 */
689 		pix_mp->width = q_data->visible_width;
690 		pix_mp->height = q_data->visible_height;
691 		pix_mp->plane_fmt[0].bytesperline = q_data->bytesperline[0];
692 		pix_mp->plane_fmt[0].sizeimage = q_data->sizeimage[0];
693 		pix_mp->pixelformat = q_data->fmt->fourcc;
694 		pix_mp->num_planes = q_data->fmt->num_planes;
695 	} else {
696 		pix_mp->width = q_data->coded_width;
697 		pix_mp->height = q_data->coded_height;
698 		pix_mp->num_planes = q_data->fmt->num_planes;
699 		pix_mp->pixelformat = q_data->fmt->fourcc;
700 		pix_mp->plane_fmt[0].bytesperline = q_data->bytesperline[0];
701 		pix_mp->plane_fmt[0].sizeimage = q_data->sizeimage[0];
702 		pix_mp->plane_fmt[1].bytesperline = q_data->bytesperline[1];
703 		pix_mp->plane_fmt[1].sizeimage = q_data->sizeimage[1];
704 
705 		mtk_v4l2_vdec_dbg(1, ctx, "[%d] type=%d state=%d Format information not ready!",
706 				  ctx->id, f->type, ctx->state);
707 	}
708 
709 	return 0;
710 }
711 
vb2ops_vdec_queue_setup(struct vb2_queue * vq,unsigned int * nbuffers,unsigned int * nplanes,unsigned int sizes[],struct device * alloc_devs[])712 int vb2ops_vdec_queue_setup(struct vb2_queue *vq, unsigned int *nbuffers,
713 			    unsigned int *nplanes, unsigned int sizes[],
714 			    struct device *alloc_devs[])
715 {
716 	struct mtk_vcodec_dec_ctx *ctx = vb2_get_drv_priv(vq);
717 	struct mtk_q_data *q_data;
718 	unsigned int i;
719 
720 	q_data = mtk_vdec_get_q_data(ctx, vq->type);
721 
722 	if (q_data == NULL) {
723 		mtk_v4l2_vdec_err(ctx, "vq->type=%d err\n", vq->type);
724 		return -EINVAL;
725 	}
726 
727 	if (*nplanes) {
728 		if (vq->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
729 			if (*nplanes != q_data->fmt->num_planes)
730 				return -EINVAL;
731 		} else {
732 			if (*nplanes != 1)
733 				return -EINVAL;
734 		}
735 		for (i = 0; i < *nplanes; i++) {
736 			if (sizes[i] < q_data->sizeimage[i])
737 				return -EINVAL;
738 		}
739 	} else {
740 		if (vq->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE)
741 			*nplanes = q_data->fmt->num_planes;
742 		else
743 			*nplanes = 1;
744 
745 		for (i = 0; i < *nplanes; i++)
746 			sizes[i] = q_data->sizeimage[i];
747 	}
748 
749 	mtk_v4l2_vdec_dbg(1, ctx,
750 			  "[%d]\t type = %d, get %d plane(s), %d buffer(s) of size 0x%x 0x%x ",
751 			  ctx->id, vq->type, *nplanes, *nbuffers, sizes[0], sizes[1]);
752 
753 	return 0;
754 }
755 
vb2ops_vdec_buf_prepare(struct vb2_buffer * vb)756 int vb2ops_vdec_buf_prepare(struct vb2_buffer *vb)
757 {
758 	struct mtk_vcodec_dec_ctx *ctx = vb2_get_drv_priv(vb->vb2_queue);
759 	struct mtk_q_data *q_data;
760 	int i;
761 
762 	mtk_v4l2_vdec_dbg(3, ctx, "[%d] (%d) id=%d",
763 			  ctx->id, vb->vb2_queue->type, vb->index);
764 
765 	q_data = mtk_vdec_get_q_data(ctx, vb->vb2_queue->type);
766 
767 	for (i = 0; i < q_data->fmt->num_planes; i++) {
768 		if (vb2_plane_size(vb, i) < q_data->sizeimage[i]) {
769 			mtk_v4l2_vdec_err(ctx, "data will not fit into plane %d (%lu < %d)",
770 					  i, vb2_plane_size(vb, i), q_data->sizeimage[i]);
771 			return -EINVAL;
772 		}
773 		if (!V4L2_TYPE_IS_OUTPUT(vb->type))
774 			vb2_set_plane_payload(vb, i, q_data->sizeimage[i]);
775 	}
776 
777 	return 0;
778 }
779 
vb2ops_vdec_buf_finish(struct vb2_buffer * vb)780 void vb2ops_vdec_buf_finish(struct vb2_buffer *vb)
781 {
782 	struct mtk_vcodec_dec_ctx *ctx = vb2_get_drv_priv(vb->vb2_queue);
783 	struct vb2_v4l2_buffer *vb2_v4l2;
784 	struct mtk_video_dec_buf *buf;
785 	bool buf_error;
786 
787 	vb2_v4l2 = container_of(vb, struct vb2_v4l2_buffer, vb2_buf);
788 	buf = container_of(vb2_v4l2, struct mtk_video_dec_buf, m2m_buf.vb);
789 	mutex_lock(&ctx->lock);
790 	if (vb->vb2_queue->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
791 		buf->queued_in_v4l2 = false;
792 		buf->queued_in_vb2 = false;
793 	}
794 	buf_error = buf->error;
795 	mutex_unlock(&ctx->lock);
796 
797 	if (buf_error) {
798 		mtk_v4l2_vdec_err(ctx, "Unrecoverable error on buffer.");
799 		ctx->state = MTK_STATE_ABORT;
800 	}
801 }
802 
vb2ops_vdec_buf_init(struct vb2_buffer * vb)803 int vb2ops_vdec_buf_init(struct vb2_buffer *vb)
804 {
805 	struct vb2_v4l2_buffer *vb2_v4l2 = container_of(vb,
806 					struct vb2_v4l2_buffer, vb2_buf);
807 	struct mtk_video_dec_buf *buf = container_of(vb2_v4l2,
808 					struct mtk_video_dec_buf, m2m_buf.vb);
809 
810 	if (vb->vb2_queue->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
811 		buf->used = false;
812 		buf->queued_in_v4l2 = false;
813 	}
814 
815 	return 0;
816 }
817 
vb2ops_vdec_start_streaming(struct vb2_queue * q,unsigned int count)818 int vb2ops_vdec_start_streaming(struct vb2_queue *q, unsigned int count)
819 {
820 	struct mtk_vcodec_dec_ctx *ctx = vb2_get_drv_priv(q);
821 
822 	if (ctx->state == MTK_STATE_FLUSH)
823 		ctx->state = MTK_STATE_HEADER;
824 
825 	return 0;
826 }
827 
vb2ops_vdec_stop_streaming(struct vb2_queue * q)828 void vb2ops_vdec_stop_streaming(struct vb2_queue *q)
829 {
830 	struct vb2_v4l2_buffer *src_buf = NULL, *dst_buf = NULL;
831 	struct mtk_vcodec_dec_ctx *ctx = vb2_get_drv_priv(q);
832 	int ret;
833 
834 	mtk_v4l2_vdec_dbg(3, ctx, "[%d] (%d) state=(%x) ctx->decoded_frame_cnt=%d",
835 			  ctx->id, q->type, ctx->state, ctx->decoded_frame_cnt);
836 
837 	if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
838 		while ((src_buf = v4l2_m2m_src_buf_remove(ctx->m2m_ctx))) {
839 			if (src_buf != &ctx->empty_flush_buf.vb) {
840 				struct media_request *req =
841 					src_buf->vb2_buf.req_obj.req;
842 				v4l2_m2m_buf_done(src_buf,
843 						VB2_BUF_STATE_ERROR);
844 				if (req)
845 					v4l2_ctrl_request_complete(req, &ctx->ctrl_hdl);
846 			}
847 		}
848 		return;
849 	}
850 
851 	if (ctx->state >= MTK_STATE_HEADER) {
852 
853 		/* Until STREAMOFF is called on the CAPTURE queue
854 		 * (acknowledging the event), the driver operates
855 		 * as if the resolution hasn't changed yet, i.e.
856 		 * VIDIOC_G_FMT< etc. return previous resolution.
857 		 * So we update picinfo here
858 		 */
859 		ctx->picinfo = ctx->last_decoded_picinfo;
860 
861 		mtk_v4l2_vdec_dbg(2, ctx,
862 				  "[%d]-> new(%d,%d), old(%d,%d), real(%d,%d)",
863 				  ctx->id, ctx->last_decoded_picinfo.pic_w,
864 				  ctx->last_decoded_picinfo.pic_h,
865 				  ctx->picinfo.pic_w, ctx->picinfo.pic_h,
866 				  ctx->last_decoded_picinfo.buf_w,
867 				  ctx->last_decoded_picinfo.buf_h);
868 
869 		ret = ctx->dev->vdec_pdata->flush_decoder(ctx);
870 		if (ret)
871 			mtk_v4l2_vdec_err(ctx, "DecodeFinal failed, ret=%d", ret);
872 	}
873 	ctx->state = MTK_STATE_FLUSH;
874 
875 	while ((dst_buf = v4l2_m2m_dst_buf_remove(ctx->m2m_ctx))) {
876 		vb2_set_plane_payload(&dst_buf->vb2_buf, 0, 0);
877 		if (ctx->q_data[MTK_Q_DATA_DST].fmt->num_planes == 2)
878 			vb2_set_plane_payload(&dst_buf->vb2_buf, 1, 0);
879 		v4l2_m2m_buf_done(dst_buf, VB2_BUF_STATE_ERROR);
880 	}
881 
882 }
883 
m2mops_vdec_device_run(void * priv)884 static void m2mops_vdec_device_run(void *priv)
885 {
886 	struct mtk_vcodec_dec_ctx *ctx = priv;
887 	struct mtk_vcodec_dec_dev *dev = ctx->dev;
888 
889 	queue_work(dev->decode_workqueue, &ctx->decode_work);
890 }
891 
m2mops_vdec_job_ready(void * m2m_priv)892 static int m2mops_vdec_job_ready(void *m2m_priv)
893 {
894 	struct mtk_vcodec_dec_ctx *ctx = m2m_priv;
895 
896 	mtk_v4l2_vdec_dbg(3, ctx, "[%d]", ctx->id);
897 
898 	if (ctx->state == MTK_STATE_ABORT)
899 		return 0;
900 
901 	if ((ctx->last_decoded_picinfo.pic_w != ctx->picinfo.pic_w) ||
902 	    (ctx->last_decoded_picinfo.pic_h != ctx->picinfo.pic_h))
903 		return 0;
904 
905 	if (ctx->state != MTK_STATE_HEADER)
906 		return 0;
907 
908 	return 1;
909 }
910 
m2mops_vdec_job_abort(void * priv)911 static void m2mops_vdec_job_abort(void *priv)
912 {
913 	struct mtk_vcodec_dec_ctx *ctx = priv;
914 
915 	ctx->state = MTK_STATE_ABORT;
916 }
917 
918 const struct v4l2_m2m_ops mtk_vdec_m2m_ops = {
919 	.device_run	= m2mops_vdec_device_run,
920 	.job_ready	= m2mops_vdec_job_ready,
921 	.job_abort	= m2mops_vdec_job_abort,
922 };
923 
924 const struct v4l2_ioctl_ops mtk_vdec_ioctl_ops = {
925 	.vidioc_streamon	= v4l2_m2m_ioctl_streamon,
926 	.vidioc_streamoff	= v4l2_m2m_ioctl_streamoff,
927 	.vidioc_reqbufs		= v4l2_m2m_ioctl_reqbufs,
928 	.vidioc_querybuf	= v4l2_m2m_ioctl_querybuf,
929 	.vidioc_expbuf		= v4l2_m2m_ioctl_expbuf,
930 
931 	.vidioc_qbuf		= vidioc_vdec_qbuf,
932 	.vidioc_dqbuf		= vidioc_vdec_dqbuf,
933 
934 	.vidioc_try_fmt_vid_cap_mplane	= vidioc_try_fmt_vid_cap_mplane,
935 	.vidioc_try_fmt_vid_out_mplane	= vidioc_try_fmt_vid_out_mplane,
936 
937 	.vidioc_s_fmt_vid_cap_mplane	= vidioc_vdec_s_fmt,
938 	.vidioc_s_fmt_vid_out_mplane	= vidioc_vdec_s_fmt,
939 	.vidioc_g_fmt_vid_cap_mplane	= vidioc_vdec_g_fmt,
940 	.vidioc_g_fmt_vid_out_mplane	= vidioc_vdec_g_fmt,
941 
942 	.vidioc_create_bufs		= v4l2_m2m_ioctl_create_bufs,
943 
944 	.vidioc_enum_fmt_vid_cap	= vidioc_vdec_enum_fmt_vid_cap,
945 	.vidioc_enum_fmt_vid_out	= vidioc_vdec_enum_fmt_vid_out,
946 	.vidioc_enum_framesizes	= vidioc_enum_framesizes,
947 
948 	.vidioc_querycap		= vidioc_vdec_querycap,
949 	.vidioc_subscribe_event		= vidioc_vdec_subscribe_evt,
950 	.vidioc_unsubscribe_event	= v4l2_event_unsubscribe,
951 	.vidioc_g_selection             = vidioc_vdec_g_selection,
952 	.vidioc_s_selection             = vidioc_vdec_s_selection,
953 
954 	.vidioc_decoder_cmd = vidioc_decoder_cmd,
955 	.vidioc_try_decoder_cmd = vidioc_try_decoder_cmd,
956 };
957 
mtk_vcodec_dec_queue_init(void * priv,struct vb2_queue * src_vq,struct vb2_queue * dst_vq)958 int mtk_vcodec_dec_queue_init(void *priv, struct vb2_queue *src_vq,
959 			   struct vb2_queue *dst_vq)
960 {
961 	struct mtk_vcodec_dec_ctx *ctx = priv;
962 	int ret = 0;
963 
964 	mtk_v4l2_vdec_dbg(3, ctx, "[%d]", ctx->id);
965 
966 	src_vq->type		= V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE;
967 	src_vq->io_modes	= VB2_DMABUF | VB2_MMAP;
968 	src_vq->drv_priv	= ctx;
969 	src_vq->buf_struct_size = sizeof(struct mtk_video_dec_buf);
970 	src_vq->ops		= ctx->dev->vdec_pdata->vdec_vb2_ops;
971 	src_vq->mem_ops		= &vb2_dma_contig_memops;
972 	src_vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY;
973 	src_vq->lock		= &ctx->dev->dev_mutex;
974 	src_vq->dev             = &ctx->dev->plat_dev->dev;
975 	src_vq->allow_cache_hints = 1;
976 
977 	ret = vb2_queue_init(src_vq);
978 	if (ret) {
979 		mtk_v4l2_vdec_err(ctx, "Failed to initialize videobuf2 queue(output)");
980 		return ret;
981 	}
982 	dst_vq->type		= V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE;
983 	dst_vq->io_modes	= VB2_DMABUF | VB2_MMAP;
984 	dst_vq->drv_priv	= ctx;
985 	dst_vq->buf_struct_size = sizeof(struct mtk_video_dec_buf);
986 	dst_vq->ops		= ctx->dev->vdec_pdata->vdec_vb2_ops;
987 	dst_vq->mem_ops		= &vb2_dma_contig_memops;
988 	dst_vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY;
989 	dst_vq->lock		= &ctx->dev->dev_mutex;
990 	dst_vq->dev             = &ctx->dev->plat_dev->dev;
991 	dst_vq->allow_cache_hints = 1;
992 
993 	ret = vb2_queue_init(dst_vq);
994 	if (ret)
995 		mtk_v4l2_vdec_err(ctx, "Failed to initialize videobuf2 queue(capture)");
996 
997 	return ret;
998 }
999