mtk_vcodec_dec.c

   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
  20static const struct mtk_video_fmt *
  21mtk_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
  36static 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
  74static 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
  83static int stateful_try_decoder_cmd(struct file *file, void *priv, struct v4l2_decoder_cmd *cmd)
  84{
  85	return v4l2_m2m_ioctl_try_decoder_cmd(file, priv, cmd);
  86}
  87
  88static int stateful_decoder_cmd(struct file *file, void *priv, struct v4l2_decoder_cmd *cmd)
  89{
  90	struct mtk_vcodec_dec_ctx *ctx = file_to_dec_ctx(file);
  91	struct vb2_queue *src_vq, *dst_vq;
  92	int ret;
  93
  94	ret = stateful_try_decoder_cmd(file, priv, cmd);
  95	if (ret)
  96		return ret;
  97
  98	mtk_v4l2_vdec_dbg(1, ctx, "decoder cmd=%u", cmd->cmd);
  99	dst_vq = v4l2_m2m_get_vq(ctx->m2m_ctx,
 100				V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE);
 101	switch (cmd->cmd) {
 102	case V4L2_DEC_CMD_STOP:
 103		src_vq = v4l2_m2m_get_vq(ctx->m2m_ctx,
 104				V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE);
 105		if (!vb2_is_streaming(src_vq)) {
 106			mtk_v4l2_vdec_dbg(1, ctx, "Output stream is off. No need to flush.");
 107			return 0;
 108		}
 109		if (!vb2_is_streaming(dst_vq)) {
 110			mtk_v4l2_vdec_dbg(1, ctx, "Capture stream is off. No need to flush.");
 111			return 0;
 112		}
 113		v4l2_m2m_buf_queue(ctx->m2m_ctx, &ctx->empty_flush_buf.vb);
 114		v4l2_m2m_try_schedule(ctx->m2m_ctx);
 115		break;
 116
 117	case V4L2_DEC_CMD_START:
 118		vb2_clear_last_buffer_dequeued(dst_vq);
 119		break;
 120
 121	default:
 122		return -EINVAL;
 123	}
 124
 125	return 0;
 126}
 127
 128static int stateless_try_decoder_cmd(struct file *file, void *priv, struct v4l2_decoder_cmd *cmd)
 129{
 130	return v4l2_m2m_ioctl_stateless_try_decoder_cmd(file, priv, cmd);
 131}
 132
 133static int stateless_decoder_cmd(struct file *file, void *priv, struct v4l2_decoder_cmd *cmd)
 134{
 135	struct mtk_vcodec_dec_ctx *ctx = file_to_dec_ctx(file);
 136	int ret;
 137
 138	ret = v4l2_m2m_ioctl_stateless_try_decoder_cmd(file, priv, cmd);
 139	if (ret)
 140		return ret;
 141
 142	mtk_v4l2_vdec_dbg(3, ctx, "decoder cmd=%u", cmd->cmd);
 143	switch (cmd->cmd) {
 144	case V4L2_DEC_CMD_FLUSH:
 145		/*
 146		 * If the flag of the output buffer is equals V4L2_BUF_FLAG_M2M_HOLD_CAPTURE_BUF,
 147		 * this command will prevent dequeueing the capture buffer containing the last
 148		 * decoded frame. Or do nothing
 149		 */
 150		break;
 151	default:
 152		mtk_v4l2_vdec_err(ctx, "invalid stateless decoder cmd=%u", cmd->cmd);
 153		return -EINVAL;
 154	}
 155
 156	return 0;
 157}
 158
 159static int vidioc_try_decoder_cmd(struct file *file, void *priv, struct v4l2_decoder_cmd *cmd)
 160{
 161	struct mtk_vcodec_dec_ctx *ctx = file_to_dec_ctx(file);
 162
 163	if (ctx->dev->vdec_pdata->uses_stateless_api)
 164		return stateless_try_decoder_cmd(file, priv, cmd);
 165
 166	return stateful_try_decoder_cmd(file, priv, cmd);
 167}
 168
 169static int vidioc_decoder_cmd(struct file *file, void *priv, struct v4l2_decoder_cmd *cmd)
 170{
 171	struct mtk_vcodec_dec_ctx *ctx = file_to_dec_ctx(file);
 172
 173	if (ctx->dev->vdec_pdata->uses_stateless_api)
 174		return stateless_decoder_cmd(file, priv, cmd);
 175
 176	return stateful_decoder_cmd(file, priv, cmd);
 177}
 178
 179void mtk_vdec_unlock(struct mtk_vcodec_dec_ctx *ctx)
 180{
 181	mutex_unlock(&ctx->dev->dec_mutex[ctx->hw_id]);
 182}
 183
 184void mtk_vdec_lock(struct mtk_vcodec_dec_ctx *ctx)
 185{
 186	mutex_lock(&ctx->dev->dec_mutex[ctx->hw_id]);
 187}
 188
 189void mtk_vcodec_dec_release(struct mtk_vcodec_dec_ctx *ctx)
 190{
 191	vdec_if_deinit(ctx);
 192	ctx->state = MTK_STATE_FREE;
 193}
 194
 195void mtk_vcodec_dec_set_default_params(struct mtk_vcodec_dec_ctx *ctx)
 196{
 197	struct mtk_q_data *q_data;
 198
 199	ctx->m2m_ctx->q_lock = &ctx->dev->dev_mutex;
 200	ctx->fh.m2m_ctx = ctx->m2m_ctx;
 201	ctx->fh.ctrl_handler = &ctx->ctrl_hdl;
 202	INIT_WORK(&ctx->decode_work, ctx->dev->vdec_pdata->worker);
 203	ctx->colorspace = V4L2_COLORSPACE_REC709;
 204	ctx->ycbcr_enc = V4L2_YCBCR_ENC_DEFAULT;
 205	ctx->quantization = V4L2_QUANTIZATION_DEFAULT;
 206	ctx->xfer_func = V4L2_XFER_FUNC_DEFAULT;
 207
 208	q_data = &ctx->q_data[MTK_Q_DATA_SRC];
 209	memset(q_data, 0, sizeof(struct mtk_q_data));
 210	q_data->visible_width = DFT_CFG_WIDTH;
 211	q_data->visible_height = DFT_CFG_HEIGHT;
 212	q_data->fmt = ctx->dev->vdec_pdata->default_out_fmt;
 213	q_data->field = V4L2_FIELD_NONE;
 214
 215	q_data->sizeimage[0] = DFT_CFG_WIDTH * DFT_CFG_HEIGHT;
 216	q_data->bytesperline[0] = 0;
 217
 218	q_data = &ctx->q_data[MTK_Q_DATA_DST];
 219	memset(q_data, 0, sizeof(struct mtk_q_data));
 220	q_data->visible_width = DFT_CFG_WIDTH;
 221	q_data->visible_height = DFT_CFG_HEIGHT;
 222	q_data->coded_width = DFT_CFG_WIDTH;
 223	q_data->coded_height = DFT_CFG_HEIGHT;
 224	q_data->fmt = ctx->dev->vdec_pdata->default_cap_fmt;
 225	q_data->field = V4L2_FIELD_NONE;
 226
 227	q_data->sizeimage[0] = q_data->coded_width * q_data->coded_height;
 228	q_data->bytesperline[0] = q_data->coded_width;
 229	q_data->sizeimage[1] = q_data->sizeimage[0] / 2;
 230	q_data->bytesperline[1] = q_data->coded_width;
 231}
 232
 233static int vidioc_vdec_qbuf(struct file *file, void *priv,
 234			    struct v4l2_buffer *buf)
 235{
 236	struct mtk_vcodec_dec_ctx *ctx = file_to_dec_ctx(file);
 237
 238	if (ctx->state == MTK_STATE_ABORT) {
 239		mtk_v4l2_vdec_err(ctx, "[%d] Call on QBUF after unrecoverable error", ctx->id);
 240		return -EIO;
 241	}
 242
 243	return v4l2_m2m_qbuf(file, ctx->m2m_ctx, buf);
 244}
 245
 246static int vidioc_vdec_dqbuf(struct file *file, void *priv,
 247			     struct v4l2_buffer *buf)
 248{
 249	struct mtk_vcodec_dec_ctx *ctx = file_to_dec_ctx(file);
 250
 251	if (ctx->state == MTK_STATE_ABORT) {
 252		mtk_v4l2_vdec_err(ctx, "[%d] Call on DQBUF after unrecoverable error", ctx->id);
 253		return -EIO;
 254	}
 255
 256	return v4l2_m2m_dqbuf(file, ctx->m2m_ctx, buf);
 257}
 258
 259static int vidioc_vdec_querycap(struct file *file, void *priv,
 260				struct v4l2_capability *cap)
 261{
 262	struct mtk_vcodec_dec_ctx *ctx = file_to_dec_ctx(file);
 263	struct device *dev = &ctx->dev->plat_dev->dev;
 264
 265	strscpy(cap->driver, dev->driver->name, sizeof(cap->driver));
 266	snprintf(cap->card, sizeof(cap->card), "MT%d video decoder", ctx->dev->chip_name);
 267
 268	return 0;
 269}
 270
 271static int vidioc_vdec_subscribe_evt(struct v4l2_fh *fh,
 272				     const struct v4l2_event_subscription *sub)
 273{
 274	struct mtk_vcodec_dec_ctx *ctx = fh_to_dec_ctx(fh);
 275
 276	if (ctx->dev->vdec_pdata->uses_stateless_api)
 277		return v4l2_ctrl_subscribe_event(fh, sub);
 278
 279	switch (sub->type) {
 280	case V4L2_EVENT_EOS:
 281		return v4l2_event_subscribe(fh, sub, 2, NULL);
 282	case V4L2_EVENT_SOURCE_CHANGE:
 283		return v4l2_src_change_event_subscribe(fh, sub);
 284	default:
 285		return v4l2_ctrl_subscribe_event(fh, sub);
 286	}
 287}
 288
 289static int vidioc_try_fmt(struct mtk_vcodec_dec_ctx *ctx, struct v4l2_format *f,
 290			  const struct mtk_video_fmt *fmt)
 291{
 292	struct v4l2_pix_format_mplane *pix_fmt_mp = &f->fmt.pix_mp;
 293	const struct v4l2_frmsize_stepwise *frmsize;
 294
 295	pix_fmt_mp->field = V4L2_FIELD_NONE;
 296
 297	/* Always apply frame size constraints from the coded side */
 298	if (V4L2_TYPE_IS_OUTPUT(f->type))
 299		frmsize = &fmt->frmsize;
 300	else
 301		frmsize = &ctx->q_data[MTK_Q_DATA_SRC].fmt->frmsize;
 302
 303	pix_fmt_mp->width = clamp(pix_fmt_mp->width, MTK_VDEC_MIN_W, frmsize->max_width);
 304	pix_fmt_mp->height = clamp(pix_fmt_mp->height, MTK_VDEC_MIN_H, frmsize->max_height);
 305
 306	if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
 307		pix_fmt_mp->num_planes = 1;
 308		pix_fmt_mp->plane_fmt[0].bytesperline = 0;
 309	} else if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
 310		int tmp_w, tmp_h;
 311
 312		/*
 313		 * Find next closer width align 64, height align 64, size align
 314		 * 64 rectangle
 315		 * Note: This only get default value, the real HW needed value
 316		 *       only available when ctx in MTK_STATE_HEADER state
 317		 */
 318		tmp_w = pix_fmt_mp->width;
 319		tmp_h = pix_fmt_mp->height;
 320		v4l_bound_align_image(&pix_fmt_mp->width, MTK_VDEC_MIN_W, frmsize->max_width, 6,
 321				      &pix_fmt_mp->height, MTK_VDEC_MIN_H, frmsize->max_height, 6,
 322				      9);
 323
 324		if (pix_fmt_mp->width < tmp_w &&
 325		    (pix_fmt_mp->width + 64) <= frmsize->max_width)
 326			pix_fmt_mp->width += 64;
 327		if (pix_fmt_mp->height < tmp_h &&
 328		    (pix_fmt_mp->height + 64) <= frmsize->max_height)
 329			pix_fmt_mp->height += 64;
 330
 331		mtk_v4l2_vdec_dbg(0, ctx,
 332				  "before resize wxh=%dx%d, after resize wxh=%dx%d, sizeimage=%d",
 333				  tmp_w, tmp_h, pix_fmt_mp->width, pix_fmt_mp->height,
 334				  pix_fmt_mp->width * pix_fmt_mp->height);
 335
 336		pix_fmt_mp->num_planes = fmt->num_planes;
 337		pix_fmt_mp->plane_fmt[0].sizeimage =
 338				pix_fmt_mp->width * pix_fmt_mp->height;
 339		pix_fmt_mp->plane_fmt[0].bytesperline = pix_fmt_mp->width;
 340
 341		if (pix_fmt_mp->num_planes == 2) {
 342			pix_fmt_mp->plane_fmt[1].sizeimage =
 343				(pix_fmt_mp->width * pix_fmt_mp->height) / 2;
 344			pix_fmt_mp->plane_fmt[1].bytesperline =
 345				pix_fmt_mp->width;
 346		}
 347	}
 348
 349	pix_fmt_mp->flags = 0;
 350	return 0;
 351}
 352
 353static int vidioc_try_fmt_vid_cap_mplane(struct file *file, void *priv,
 354				struct v4l2_format *f)
 355{
 356	const struct mtk_video_fmt *fmt;
 357	struct mtk_vcodec_dec_ctx *ctx = file_to_dec_ctx(file);
 358	const struct mtk_vcodec_dec_pdata *dec_pdata = ctx->dev->vdec_pdata;
 359
 360	fmt = mtk_vdec_find_format(f, dec_pdata);
 361	if (!fmt) {
 362		f->fmt.pix.pixelformat =
 363			ctx->q_data[MTK_Q_DATA_DST].fmt->fourcc;
 364		fmt = mtk_vdec_find_format(f, dec_pdata);
 365	}
 366
 367	return vidioc_try_fmt(ctx, f, fmt);
 368}
 369
 370static int vidioc_try_fmt_vid_out_mplane(struct file *file, void *priv,
 371				struct v4l2_format *f)
 372{
 373	struct v4l2_pix_format_mplane *pix_fmt_mp = &f->fmt.pix_mp;
 374	const struct mtk_video_fmt *fmt;
 375	struct mtk_vcodec_dec_ctx *ctx = file_to_dec_ctx(file);
 376	const struct mtk_vcodec_dec_pdata *dec_pdata = ctx->dev->vdec_pdata;
 377
 378	fmt = mtk_vdec_find_format(f, dec_pdata);
 379	if (!fmt) {
 380		f->fmt.pix.pixelformat =
 381			ctx->q_data[MTK_Q_DATA_SRC].fmt->fourcc;
 382		fmt = mtk_vdec_find_format(f, dec_pdata);
 383	}
 384
 385	if (pix_fmt_mp->plane_fmt[0].sizeimage == 0) {
 386		mtk_v4l2_vdec_err(ctx, "sizeimage of output format must be given");
 387		return -EINVAL;
 388	}
 389
 390	return vidioc_try_fmt(ctx, f, fmt);
 391}
 392
 393static int vidioc_vdec_g_selection(struct file *file, void *priv,
 394			struct v4l2_selection *s)
 395{
 396	struct mtk_vcodec_dec_ctx *ctx = file_to_dec_ctx(file);
 397	struct mtk_q_data *q_data;
 398
 399	if (s->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
 400		return -EINVAL;
 401
 402	q_data = &ctx->q_data[MTK_Q_DATA_DST];
 403
 404	switch (s->target) {
 405	case V4L2_SEL_TGT_COMPOSE_DEFAULT:
 406		s->r.left = 0;
 407		s->r.top = 0;
 408		s->r.width = ctx->picinfo.pic_w;
 409		s->r.height = ctx->picinfo.pic_h;
 410		break;
 411	case V4L2_SEL_TGT_COMPOSE_BOUNDS:
 412		s->r.left = 0;
 413		s->r.top = 0;
 414		s->r.width = ctx->picinfo.buf_w;
 415		s->r.height = ctx->picinfo.buf_h;
 416		break;
 417	case V4L2_SEL_TGT_COMPOSE:
 418		if (vdec_if_get_param(ctx, GET_PARAM_CROP_INFO, &(s->r))) {
 419			/* set to default value if header info not ready yet*/
 420			s->r.left = 0;
 421			s->r.top = 0;
 422			s->r.width = q_data->visible_width;
 423			s->r.height = q_data->visible_height;
 424		}
 425		break;
 426	default:
 427		return -EINVAL;
 428	}
 429
 430	if (ctx->state < MTK_STATE_HEADER) {
 431		/* set to default value if header info not ready yet*/
 432		s->r.left = 0;
 433		s->r.top = 0;
 434		s->r.width = q_data->visible_width;
 435		s->r.height = q_data->visible_height;
 436		return 0;
 437	}
 438
 439	return 0;
 440}
 441
 442static int vidioc_vdec_s_selection(struct file *file, void *priv,
 443				struct v4l2_selection *s)
 444{
 445	struct mtk_vcodec_dec_ctx *ctx = file_to_dec_ctx(file);
 446
 447	if (s->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
 448		return -EINVAL;
 449
 450	switch (s->target) {
 451	case V4L2_SEL_TGT_COMPOSE:
 452		s->r.left = 0;
 453		s->r.top = 0;
 454		s->r.width = ctx->picinfo.pic_w;
 455		s->r.height = ctx->picinfo.pic_h;
 456		break;
 457	default:
 458		return -EINVAL;
 459	}
 460
 461	return 0;
 462}
 463
 464static int vidioc_vdec_s_fmt(struct file *file, void *priv,
 465			     struct v4l2_format *f)
 466{
 467	struct mtk_vcodec_dec_ctx *ctx = file_to_dec_ctx(file);
 468	struct v4l2_pix_format_mplane *pix_mp;
 469	struct mtk_q_data *q_data;
 470	int ret = 0;
 471	const struct mtk_video_fmt *fmt;
 472	const struct mtk_vcodec_dec_pdata *dec_pdata = ctx->dev->vdec_pdata;
 473
 474	mtk_v4l2_vdec_dbg(3, ctx, "[%d]", ctx->id);
 475
 476	q_data = mtk_vdec_get_q_data(ctx, f->type);
 477	if (!q_data)
 478		return -EINVAL;
 479
 480	pix_mp = &f->fmt.pix_mp;
 481	/*
 482	 * Setting OUTPUT format after OUTPUT buffers are allocated is invalid
 483	 * if using the stateful API.
 484	 */
 485	if (!dec_pdata->uses_stateless_api &&
 486	    f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE &&
 487	    vb2_is_busy(&ctx->m2m_ctx->out_q_ctx.q)) {
 488		mtk_v4l2_vdec_err(ctx, "out_q_ctx buffers already requested");
 489		ret = -EBUSY;
 490	}
 491
 492	/*
 493	 * Setting CAPTURE format after CAPTURE buffers are allocated is
 494	 * invalid.
 495	 */
 496	if ((f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) &&
 497	    vb2_is_busy(&ctx->m2m_ctx->cap_q_ctx.q)) {
 498		mtk_v4l2_vdec_err(ctx, "cap_q_ctx buffers already requested");
 499		ret = -EBUSY;
 500	}
 501
 502	fmt = mtk_vdec_find_format(f, dec_pdata);
 503	if (fmt == NULL) {
 504		if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
 505			f->fmt.pix.pixelformat =
 506				dec_pdata->default_out_fmt->fourcc;
 507			fmt = mtk_vdec_find_format(f, dec_pdata);
 508		} else if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
 509			f->fmt.pix.pixelformat =
 510				dec_pdata->default_cap_fmt->fourcc;
 511			fmt = mtk_vdec_find_format(f, dec_pdata);
 512		}
 513	}
 514	if (fmt == NULL)
 515		return -EINVAL;
 516
 517	q_data->fmt = fmt;
 518	vidioc_try_fmt(ctx, f, q_data->fmt);
 519	if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
 520		q_data->sizeimage[0] = pix_mp->plane_fmt[0].sizeimage;
 521		q_data->coded_width = pix_mp->width;
 522		q_data->coded_height = pix_mp->height;
 523
 524		ctx->colorspace = pix_mp->colorspace;
 525		ctx->ycbcr_enc = pix_mp->ycbcr_enc;
 526		ctx->quantization = pix_mp->quantization;
 527		ctx->xfer_func = pix_mp->xfer_func;
 528
 529		ctx->current_codec = fmt->fourcc;
 530		if (ctx->state == MTK_STATE_FREE) {
 531			ret = vdec_if_init(ctx, q_data->fmt->fourcc);
 532			if (ret) {
 533				mtk_v4l2_vdec_err(ctx, "[%d]: vdec_if_init() fail ret=%d",
 534						  ctx->id, ret);
 535				return -EINVAL;
 536			}
 537			ctx->state = MTK_STATE_INIT;
 538		}
 539	} else {
 540		ctx->capture_fourcc = fmt->fourcc;
 541	}
 542
 543	/*
 544	 * If using the stateless API, S_FMT should have the effect of setting
 545	 * the CAPTURE queue resolution no matter which queue it was called on.
 546	 */
 547	if (dec_pdata->uses_stateless_api) {
 548		ctx->picinfo.pic_w = pix_mp->width;
 549		ctx->picinfo.pic_h = pix_mp->height;
 550
 551		/*
 552		 * If get pic info fail, need to use the default pic info params, or
 553		 * v4l2-compliance will fail
 554		 */
 555		ret = vdec_if_get_param(ctx, GET_PARAM_PIC_INFO, &ctx->picinfo);
 556		if (ret) {
 557			mtk_v4l2_vdec_err(ctx, "[%d]Error!! Get GET_PARAM_PICTURE_INFO Fail",
 558					  ctx->id);
 559		}
 560
 561		ctx->last_decoded_picinfo = ctx->picinfo;
 562
 563		if (ctx->q_data[MTK_Q_DATA_DST].fmt->num_planes == 1) {
 564			ctx->q_data[MTK_Q_DATA_DST].sizeimage[0] =
 565				ctx->picinfo.fb_sz[0] +
 566				ctx->picinfo.fb_sz[1];
 567			ctx->q_data[MTK_Q_DATA_DST].bytesperline[0] =
 568				ctx->picinfo.buf_w;
 569		} else {
 570			ctx->q_data[MTK_Q_DATA_DST].sizeimage[0] =
 571				ctx->picinfo.fb_sz[0];
 572			ctx->q_data[MTK_Q_DATA_DST].bytesperline[0] =
 573				ctx->picinfo.buf_w;
 574			ctx->q_data[MTK_Q_DATA_DST].sizeimage[1] =
 575				ctx->picinfo.fb_sz[1];
 576			ctx->q_data[MTK_Q_DATA_DST].bytesperline[1] =
 577				ctx->picinfo.buf_w;
 578		}
 579
 580		ctx->q_data[MTK_Q_DATA_DST].coded_width = ctx->picinfo.buf_w;
 581		ctx->q_data[MTK_Q_DATA_DST].coded_height = ctx->picinfo.buf_h;
 582		mtk_v4l2_vdec_dbg(2, ctx,
 583				  "[%d] init() plane:%d wxh=%dx%d pic wxh=%dx%d sz=0x%x_0x%x",
 584				  ctx->id, pix_mp->num_planes,
 585				  ctx->picinfo.buf_w, ctx->picinfo.buf_h,
 586				  ctx->picinfo.pic_w, ctx->picinfo.pic_h,
 587				  ctx->q_data[MTK_Q_DATA_DST].sizeimage[0],
 588				  ctx->q_data[MTK_Q_DATA_DST].sizeimage[1]);
 589	}
 590	return 0;
 591}
 592
 593static int vidioc_enum_framesizes(struct file *file, void *priv,
 594				struct v4l2_frmsizeenum *fsize)
 595{
 596	int i = 0;
 597	struct mtk_vcodec_dec_ctx *ctx = file_to_dec_ctx(file);
 598	const struct mtk_vcodec_dec_pdata *dec_pdata = ctx->dev->vdec_pdata;
 599
 600	if (fsize->index != 0)
 601		return -EINVAL;
 602
 603	for (i = 0; i < *dec_pdata->num_formats; i++) {
 604		if (fsize->pixel_format != dec_pdata->vdec_formats[i].fourcc)
 605			continue;
 606
 607		/* Only coded formats have frame sizes set */
 608		if (!dec_pdata->vdec_formats[i].frmsize.max_width)
 609			return -ENOTTY;
 610
 611		fsize->type = V4L2_FRMSIZE_TYPE_STEPWISE;
 612		fsize->stepwise = dec_pdata->vdec_formats[i].frmsize;
 613
 614		mtk_v4l2_vdec_dbg(1, ctx, "%x, %d %d %d %d %d %d",
 615				  ctx->dev->dec_capability, fsize->stepwise.min_width,
 616				  fsize->stepwise.max_width, fsize->stepwise.step_width,
 617				  fsize->stepwise.min_height, fsize->stepwise.max_height,
 618				  fsize->stepwise.step_height);
 619
 620		return 0;
 621	}
 622
 623	return -EINVAL;
 624}
 625
 626static int vidioc_enum_fmt(struct file *file, struct v4l2_fmtdesc *f,
 627			   bool output_queue)
 628{
 629	struct mtk_vcodec_dec_ctx *ctx = file_to_dec_ctx(file);
 630	const struct mtk_vcodec_dec_pdata *dec_pdata = ctx->dev->vdec_pdata;
 631	const struct mtk_video_fmt *fmt;
 632	int i, j = 0;
 633
 634	for (i = 0; i < *dec_pdata->num_formats; i++) {
 635		if (output_queue &&
 636		    dec_pdata->vdec_formats[i].type != MTK_FMT_DEC)
 637			continue;
 638		if (!output_queue &&
 639		    dec_pdata->vdec_formats[i].type != MTK_FMT_FRAME)
 640			continue;
 641
 642		if (!output_queue && !mtk_vdec_get_cap_fmt(ctx, i))
 643			continue;
 644
 645		if (j == f->index)
 646			break;
 647		++j;
 648	}
 649
 650	if (i == *dec_pdata->num_formats)
 651		return -EINVAL;
 652
 653	fmt = &dec_pdata->vdec_formats[i];
 654	f->pixelformat = fmt->fourcc;
 655	f->flags = fmt->flags;
 656
 657	return 0;
 658}
 659
 660static int vidioc_vdec_enum_fmt_vid_cap(struct file *file, void *priv,
 661					struct v4l2_fmtdesc *f)
 662{
 663	return vidioc_enum_fmt(file, f, false);
 664}
 665
 666static int vidioc_vdec_enum_fmt_vid_out(struct file *file, void *priv,
 667					struct v4l2_fmtdesc *f)
 668{
 669	return vidioc_enum_fmt(file, f, true);
 670}
 671
 672static int vidioc_vdec_g_fmt(struct file *file, void *priv,
 673			     struct v4l2_format *f)
 674{
 675	struct mtk_vcodec_dec_ctx *ctx = file_to_dec_ctx(file);
 676	struct v4l2_pix_format_mplane *pix_mp = &f->fmt.pix_mp;
 677	struct mtk_q_data *q_data;
 678
 679	q_data = mtk_vdec_get_q_data(ctx, f->type);
 680
 681	pix_mp->field = V4L2_FIELD_NONE;
 682	pix_mp->colorspace = ctx->colorspace;
 683	pix_mp->ycbcr_enc = ctx->ycbcr_enc;
 684	pix_mp->quantization = ctx->quantization;
 685	pix_mp->xfer_func = ctx->xfer_func;
 686
 687	if ((f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) &&
 688	    (ctx->state >= MTK_STATE_HEADER)) {
 689		/* Until STREAMOFF is called on the CAPTURE queue
 690		 * (acknowledging the event), the driver operates as if
 691		 * the resolution hasn't changed yet.
 692		 * So we just return picinfo yet, and update picinfo in
 693		 * stop_streaming hook function
 694		 */
 695		q_data->sizeimage[0] = ctx->picinfo.fb_sz[0];
 696		q_data->sizeimage[1] = ctx->picinfo.fb_sz[1];
 697		q_data->bytesperline[0] = ctx->last_decoded_picinfo.buf_w;
 698		q_data->bytesperline[1] = ctx->last_decoded_picinfo.buf_w;
 699		q_data->coded_width = ctx->picinfo.buf_w;
 700		q_data->coded_height = ctx->picinfo.buf_h;
 701		ctx->last_decoded_picinfo.cap_fourcc = q_data->fmt->fourcc;
 702
 703		/*
 704		 * Width and height are set to the dimensions
 705		 * of the movie, the buffer is bigger and
 706		 * further processing stages should crop to this
 707		 * rectangle.
 708		 */
 709		pix_mp->width = q_data->coded_width;
 710		pix_mp->height = q_data->coded_height;
 711
 712		/*
 713		 * Set pixelformat to the format in which mt vcodec
 714		 * outputs the decoded frame
 715		 */
 716		pix_mp->num_planes = q_data->fmt->num_planes;
 717		pix_mp->pixelformat = q_data->fmt->fourcc;
 718		pix_mp->plane_fmt[0].bytesperline = q_data->bytesperline[0];
 719		pix_mp->plane_fmt[0].sizeimage = q_data->sizeimage[0];
 720		pix_mp->plane_fmt[1].bytesperline = q_data->bytesperline[1];
 721		pix_mp->plane_fmt[1].sizeimage = q_data->sizeimage[1];
 722
 723	} else if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
 724		/*
 725		 * This is run on OUTPUT
 726		 * The buffer contains compressed image
 727		 * so width and height have no meaning.
 728		 * Assign value here to pass v4l2-compliance test
 729		 */
 730		pix_mp->width = q_data->visible_width;
 731		pix_mp->height = q_data->visible_height;
 732		pix_mp->plane_fmt[0].bytesperline = q_data->bytesperline[0];
 733		pix_mp->plane_fmt[0].sizeimage = q_data->sizeimage[0];
 734		pix_mp->pixelformat = q_data->fmt->fourcc;
 735		pix_mp->num_planes = q_data->fmt->num_planes;
 736	} else {
 737		pix_mp->width = q_data->coded_width;
 738		pix_mp->height = q_data->coded_height;
 739		pix_mp->num_planes = q_data->fmt->num_planes;
 740		pix_mp->pixelformat = q_data->fmt->fourcc;
 741		pix_mp->plane_fmt[0].bytesperline = q_data->bytesperline[0];
 742		pix_mp->plane_fmt[0].sizeimage = q_data->sizeimage[0];
 743		pix_mp->plane_fmt[1].bytesperline = q_data->bytesperline[1];
 744		pix_mp->plane_fmt[1].sizeimage = q_data->sizeimage[1];
 745
 746		mtk_v4l2_vdec_dbg(1, ctx, "[%d] type=%d state=%d Format information not ready!",
 747				  ctx->id, f->type, ctx->state);
 748	}
 749
 750	return 0;
 751}
 752
 753int vb2ops_vdec_queue_setup(struct vb2_queue *vq, unsigned int *nbuffers,
 754			    unsigned int *nplanes, unsigned int sizes[],
 755			    struct device *alloc_devs[])
 756{
 757	struct mtk_vcodec_dec_ctx *ctx = vb2_get_drv_priv(vq);
 758	struct mtk_q_data *q_data;
 759	unsigned int i;
 760
 761	q_data = mtk_vdec_get_q_data(ctx, vq->type);
 762
 763	if (q_data == NULL) {
 764		mtk_v4l2_vdec_err(ctx, "vq->type=%d err\n", vq->type);
 765		return -EINVAL;
 766	}
 767
 768	if (*nplanes) {
 769		if (vq->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
 770			if (*nplanes != q_data->fmt->num_planes)
 771				return -EINVAL;
 772		} else {
 773			if (*nplanes != 1)
 774				return -EINVAL;
 775		}
 776		for (i = 0; i < *nplanes; i++) {
 777			if (sizes[i] < q_data->sizeimage[i])
 778				return -EINVAL;
 779		}
 780	} else {
 781		if (vq->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE)
 782			*nplanes = q_data->fmt->num_planes;
 783		else
 784			*nplanes = 1;
 785
 786		for (i = 0; i < *nplanes; i++)
 787			sizes[i] = q_data->sizeimage[i];
 788	}
 789
 790	mtk_v4l2_vdec_dbg(1, ctx,
 791			  "[%d]\t type = %d, get %d plane(s), %d buffer(s) of size 0x%x 0x%x ",
 792			  ctx->id, vq->type, *nplanes, *nbuffers, sizes[0], sizes[1]);
 793
 794	return 0;
 795}
 796
 797int vb2ops_vdec_buf_prepare(struct vb2_buffer *vb)
 798{
 799	struct mtk_vcodec_dec_ctx *ctx = vb2_get_drv_priv(vb->vb2_queue);
 800	struct mtk_q_data *q_data;
 801	int i;
 802
 803	mtk_v4l2_vdec_dbg(3, ctx, "[%d] (%d) id=%d",
 804			  ctx->id, vb->vb2_queue->type, vb->index);
 805
 806	q_data = mtk_vdec_get_q_data(ctx, vb->vb2_queue->type);
 807
 808	for (i = 0; i < q_data->fmt->num_planes; i++) {
 809		if (vb2_plane_size(vb, i) < q_data->sizeimage[i]) {
 810			mtk_v4l2_vdec_err(ctx, "data will not fit into plane %d (%lu < %d)",
 811					  i, vb2_plane_size(vb, i), q_data->sizeimage[i]);
 812			return -EINVAL;
 813		}
 814		if (!V4L2_TYPE_IS_OUTPUT(vb->type))
 815			vb2_set_plane_payload(vb, i, q_data->sizeimage[i]);
 816	}
 817
 818	return 0;
 819}
 820
 821void vb2ops_vdec_buf_finish(struct vb2_buffer *vb)
 822{
 823	struct mtk_vcodec_dec_ctx *ctx = vb2_get_drv_priv(vb->vb2_queue);
 824	struct vb2_v4l2_buffer *vb2_v4l2;
 825	struct mtk_video_dec_buf *buf;
 826	bool buf_error;
 827
 828	vb2_v4l2 = container_of(vb, struct vb2_v4l2_buffer, vb2_buf);
 829	buf = container_of(vb2_v4l2, struct mtk_video_dec_buf, m2m_buf.vb);
 830	mutex_lock(&ctx->lock);
 831	if (vb->vb2_queue->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
 832		buf->queued_in_v4l2 = false;
 833		buf->queued_in_vb2 = false;
 834	}
 835	buf_error = buf->error;
 836	mutex_unlock(&ctx->lock);
 837
 838	if (buf_error) {
 839		mtk_v4l2_vdec_err(ctx, "Unrecoverable error on buffer.");
 840		ctx->state = MTK_STATE_ABORT;
 841	}
 842}
 843
 844int vb2ops_vdec_buf_init(struct vb2_buffer *vb)
 845{
 846	struct vb2_v4l2_buffer *vb2_v4l2 = container_of(vb,
 847					struct vb2_v4l2_buffer, vb2_buf);
 848	struct mtk_video_dec_buf *buf = container_of(vb2_v4l2,
 849					struct mtk_video_dec_buf, m2m_buf.vb);
 850
 851	if (vb->vb2_queue->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
 852		buf->used = false;
 853		buf->queued_in_v4l2 = false;
 854	}
 855
 856	return 0;
 857}
 858
 859int vb2ops_vdec_start_streaming(struct vb2_queue *q, unsigned int count)
 860{
 861	struct mtk_vcodec_dec_ctx *ctx = vb2_get_drv_priv(q);
 862
 863	if (ctx->state == MTK_STATE_FLUSH)
 864		ctx->state = MTK_STATE_HEADER;
 865
 866	return 0;
 867}
 868
 869void vb2ops_vdec_stop_streaming(struct vb2_queue *q)
 870{
 871	struct vb2_v4l2_buffer *src_buf = NULL, *dst_buf = NULL;
 872	struct mtk_vcodec_dec_ctx *ctx = vb2_get_drv_priv(q);
 873	int ret;
 874
 875	mtk_v4l2_vdec_dbg(3, ctx, "[%d] (%d) state=(%x) ctx->decoded_frame_cnt=%d",
 876			  ctx->id, q->type, ctx->state, ctx->decoded_frame_cnt);
 877
 878	if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
 879		while ((src_buf = v4l2_m2m_src_buf_remove(ctx->m2m_ctx))) {
 880			if (src_buf != &ctx->empty_flush_buf.vb) {
 881				struct media_request *req =
 882					src_buf->vb2_buf.req_obj.req;
 883				v4l2_m2m_buf_done(src_buf,
 884						VB2_BUF_STATE_ERROR);
 885				if (req)
 886					v4l2_ctrl_request_complete(req, &ctx->ctrl_hdl);
 887			}
 888		}
 889		return;
 890	}
 891
 892	if (ctx->state >= MTK_STATE_HEADER) {
 893
 894		/* Until STREAMOFF is called on the CAPTURE queue
 895		 * (acknowledging the event), the driver operates
 896		 * as if the resolution hasn't changed yet, i.e.
 897		 * VIDIOC_G_FMT< etc. return previous resolution.
 898		 * So we update picinfo here
 899		 */
 900		ctx->picinfo = ctx->last_decoded_picinfo;
 901
 902		mtk_v4l2_vdec_dbg(2, ctx,
 903				  "[%d]-> new(%d,%d), old(%d,%d), real(%d,%d)",
 904				  ctx->id, ctx->last_decoded_picinfo.pic_w,
 905				  ctx->last_decoded_picinfo.pic_h,
 906				  ctx->picinfo.pic_w, ctx->picinfo.pic_h,
 907				  ctx->last_decoded_picinfo.buf_w,
 908				  ctx->last_decoded_picinfo.buf_h);
 909
 910		ret = ctx->dev->vdec_pdata->flush_decoder(ctx);
 911		if (ret)
 912			mtk_v4l2_vdec_err(ctx, "DecodeFinal failed, ret=%d", ret);
 913	}
 914	ctx->state = MTK_STATE_FLUSH;
 915
 916	while ((dst_buf = v4l2_m2m_dst_buf_remove(ctx->m2m_ctx))) {
 917		vb2_set_plane_payload(&dst_buf->vb2_buf, 0, 0);
 918		if (ctx->q_data[MTK_Q_DATA_DST].fmt->num_planes == 2)
 919			vb2_set_plane_payload(&dst_buf->vb2_buf, 1, 0);
 920		v4l2_m2m_buf_done(dst_buf, VB2_BUF_STATE_ERROR);
 921	}
 922
 923}
 924
 925static void m2mops_vdec_device_run(void *priv)
 926{
 927	struct mtk_vcodec_dec_ctx *ctx = priv;
 928	struct mtk_vcodec_dec_dev *dev = ctx->dev;
 929
 930	queue_work(dev->decode_workqueue, &ctx->decode_work);
 931}
 932
 933static int m2mops_vdec_job_ready(void *m2m_priv)
 934{
 935	struct mtk_vcodec_dec_ctx *ctx = m2m_priv;
 936
 937	mtk_v4l2_vdec_dbg(3, ctx, "[%d]", ctx->id);
 938
 939	if (ctx->state == MTK_STATE_ABORT)
 940		return 0;
 941
 942	if ((ctx->last_decoded_picinfo.pic_w != ctx->picinfo.pic_w) ||
 943	    (ctx->last_decoded_picinfo.pic_h != ctx->picinfo.pic_h))
 944		return 0;
 945
 946	if (ctx->state != MTK_STATE_HEADER)
 947		return 0;
 948
 949	return 1;
 950}
 951
 952static void m2mops_vdec_job_abort(void *priv)
 953{
 954	struct mtk_vcodec_dec_ctx *ctx = priv;
 955
 956	ctx->state = MTK_STATE_ABORT;
 957}
 958
 959const struct v4l2_m2m_ops mtk_vdec_m2m_ops = {
 960	.device_run	= m2mops_vdec_device_run,
 961	.job_ready	= m2mops_vdec_job_ready,
 962	.job_abort	= m2mops_vdec_job_abort,
 963};
 964
 965const struct v4l2_ioctl_ops mtk_vdec_ioctl_ops = {
 966	.vidioc_streamon	= v4l2_m2m_ioctl_streamon,
 967	.vidioc_streamoff	= v4l2_m2m_ioctl_streamoff,
 968	.vidioc_reqbufs		= v4l2_m2m_ioctl_reqbufs,
 969	.vidioc_querybuf	= v4l2_m2m_ioctl_querybuf,
 970	.vidioc_expbuf		= v4l2_m2m_ioctl_expbuf,
 971
 972	.vidioc_qbuf		= vidioc_vdec_qbuf,
 973	.vidioc_dqbuf		= vidioc_vdec_dqbuf,
 974
 975	.vidioc_try_fmt_vid_cap_mplane	= vidioc_try_fmt_vid_cap_mplane,
 976	.vidioc_try_fmt_vid_out_mplane	= vidioc_try_fmt_vid_out_mplane,
 977
 978	.vidioc_s_fmt_vid_cap_mplane	= vidioc_vdec_s_fmt,
 979	.vidioc_s_fmt_vid_out_mplane	= vidioc_vdec_s_fmt,
 980	.vidioc_g_fmt_vid_cap_mplane	= vidioc_vdec_g_fmt,
 981	.vidioc_g_fmt_vid_out_mplane	= vidioc_vdec_g_fmt,
 982
 983	.vidioc_create_bufs		= v4l2_m2m_ioctl_create_bufs,
 984
 985	.vidioc_enum_fmt_vid_cap	= vidioc_vdec_enum_fmt_vid_cap,
 986	.vidioc_enum_fmt_vid_out	= vidioc_vdec_enum_fmt_vid_out,
 987	.vidioc_enum_framesizes	= vidioc_enum_framesizes,
 988
 989	.vidioc_querycap		= vidioc_vdec_querycap,
 990	.vidioc_subscribe_event		= vidioc_vdec_subscribe_evt,
 991	.vidioc_unsubscribe_event	= v4l2_event_unsubscribe,
 992	.vidioc_g_selection             = vidioc_vdec_g_selection,
 993	.vidioc_s_selection             = vidioc_vdec_s_selection,
 994
 995	.vidioc_decoder_cmd = vidioc_decoder_cmd,
 996	.vidioc_try_decoder_cmd = vidioc_try_decoder_cmd,
 997};
 998
 999int mtk_vcodec_dec_queue_init(void *priv, struct vb2_queue *src_vq,
1000			   struct vb2_queue *dst_vq)
1001{
1002	struct mtk_vcodec_dec_ctx *ctx = priv;
1003	int ret = 0;
1004
1005	mtk_v4l2_vdec_dbg(3, ctx, "[%d]", ctx->id);
1006
1007	src_vq->type		= V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE;
1008	src_vq->io_modes	= VB2_DMABUF | VB2_MMAP;
1009	src_vq->drv_priv	= ctx;
1010	src_vq->buf_struct_size = sizeof(struct mtk_video_dec_buf);
1011	src_vq->ops		= ctx->dev->vdec_pdata->vdec_vb2_ops;
1012	src_vq->mem_ops		= &vb2_dma_contig_memops;
1013	src_vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY;
1014	src_vq->lock		= &ctx->dev->dev_mutex;
1015	src_vq->dev             = &ctx->dev->plat_dev->dev;
1016	src_vq->allow_cache_hints = 1;
1017
1018	ret = vb2_queue_init(src_vq);
1019	if (ret) {
1020		mtk_v4l2_vdec_err(ctx, "Failed to initialize videobuf2 queue(output)");
1021		return ret;
1022	}
1023	dst_vq->type		= V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE;
1024	dst_vq->io_modes	= VB2_DMABUF | VB2_MMAP;
1025	dst_vq->drv_priv	= ctx;
1026	dst_vq->buf_struct_size = sizeof(struct mtk_video_dec_buf);
1027	dst_vq->ops		= ctx->dev->vdec_pdata->vdec_vb2_ops;
1028	dst_vq->mem_ops		= &vb2_dma_contig_memops;
1029	dst_vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY;
1030	dst_vq->lock		= &ctx->dev->dev_mutex;
1031	dst_vq->dev             = &ctx->dev->plat_dev->dev;
1032	dst_vq->allow_cache_hints = 1;
1033
1034	ret = vb2_queue_init(dst_vq);
1035	if (ret)
1036		mtk_v4l2_vdec_err(ctx, "Failed to initialize videobuf2 queue(capture)");
1037
1038	return ret;
1039}