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