Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
kernel
os
linux
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}