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
mtk_vcodec_dec_get_chip_name(void * priv)211 static int mtk_vcodec_dec_get_chip_name(void *priv)
212 {
213 struct mtk_vcodec_dec_ctx *ctx = fh_to_dec_ctx(priv);
214 struct device *dev = &ctx->dev->plat_dev->dev;
215
216 if (of_device_is_compatible(dev->of_node, "mediatek,mt8173-vcodec-dec"))
217 return 8173;
218 else if (of_device_is_compatible(dev->of_node, "mediatek,mt8183-vcodec-dec"))
219 return 8183;
220 else if (of_device_is_compatible(dev->of_node, "mediatek,mt8192-vcodec-dec"))
221 return 8192;
222 else if (of_device_is_compatible(dev->of_node, "mediatek,mt8195-vcodec-dec"))
223 return 8195;
224 else if (of_device_is_compatible(dev->of_node, "mediatek,mt8186-vcodec-dec"))
225 return 8186;
226 else if (of_device_is_compatible(dev->of_node, "mediatek,mt8188-vcodec-dec"))
227 return 8188;
228 else
229 return 8173;
230 }
231
vidioc_vdec_querycap(struct file * file,void * priv,struct v4l2_capability * cap)232 static int vidioc_vdec_querycap(struct file *file, void *priv,
233 struct v4l2_capability *cap)
234 {
235 struct mtk_vcodec_dec_ctx *ctx = fh_to_dec_ctx(priv);
236 struct device *dev = &ctx->dev->plat_dev->dev;
237 int platform_name = mtk_vcodec_dec_get_chip_name(priv);
238
239 strscpy(cap->driver, dev->driver->name, sizeof(cap->driver));
240 snprintf(cap->card, sizeof(cap->card), "MT%d video decoder", platform_name);
241
242 return 0;
243 }
244
vidioc_vdec_subscribe_evt(struct v4l2_fh * fh,const struct v4l2_event_subscription * sub)245 static int vidioc_vdec_subscribe_evt(struct v4l2_fh *fh,
246 const struct v4l2_event_subscription *sub)
247 {
248 struct mtk_vcodec_dec_ctx *ctx = fh_to_dec_ctx(fh);
249
250 if (ctx->dev->vdec_pdata->uses_stateless_api)
251 return v4l2_ctrl_subscribe_event(fh, sub);
252
253 switch (sub->type) {
254 case V4L2_EVENT_EOS:
255 return v4l2_event_subscribe(fh, sub, 2, NULL);
256 case V4L2_EVENT_SOURCE_CHANGE:
257 return v4l2_src_change_event_subscribe(fh, sub);
258 default:
259 return v4l2_ctrl_subscribe_event(fh, sub);
260 }
261 }
262
vidioc_try_fmt(struct mtk_vcodec_dec_ctx * ctx,struct v4l2_format * f,const struct mtk_video_fmt * fmt)263 static int vidioc_try_fmt(struct mtk_vcodec_dec_ctx *ctx, struct v4l2_format *f,
264 const struct mtk_video_fmt *fmt)
265 {
266 struct v4l2_pix_format_mplane *pix_fmt_mp = &f->fmt.pix_mp;
267 const struct v4l2_frmsize_stepwise *frmsize;
268
269 pix_fmt_mp->field = V4L2_FIELD_NONE;
270
271 /* Always apply frame size constraints from the coded side */
272 if (V4L2_TYPE_IS_OUTPUT(f->type))
273 frmsize = &fmt->frmsize;
274 else
275 frmsize = &ctx->q_data[MTK_Q_DATA_SRC].fmt->frmsize;
276
277 pix_fmt_mp->width = clamp(pix_fmt_mp->width, MTK_VDEC_MIN_W, frmsize->max_width);
278 pix_fmt_mp->height = clamp(pix_fmt_mp->height, MTK_VDEC_MIN_H, frmsize->max_height);
279
280 if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
281 pix_fmt_mp->num_planes = 1;
282 pix_fmt_mp->plane_fmt[0].bytesperline = 0;
283 } else if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
284 int tmp_w, tmp_h;
285
286 /*
287 * Find next closer width align 64, heign align 64, size align
288 * 64 rectangle
289 * Note: This only get default value, the real HW needed value
290 * only available when ctx in MTK_STATE_HEADER state
291 */
292 tmp_w = pix_fmt_mp->width;
293 tmp_h = pix_fmt_mp->height;
294 v4l_bound_align_image(&pix_fmt_mp->width, MTK_VDEC_MIN_W, frmsize->max_width, 6,
295 &pix_fmt_mp->height, MTK_VDEC_MIN_H, frmsize->max_height, 6,
296 9);
297
298 if (pix_fmt_mp->width < tmp_w &&
299 (pix_fmt_mp->width + 64) <= frmsize->max_width)
300 pix_fmt_mp->width += 64;
301 if (pix_fmt_mp->height < tmp_h &&
302 (pix_fmt_mp->height + 64) <= frmsize->max_height)
303 pix_fmt_mp->height += 64;
304
305 mtk_v4l2_vdec_dbg(0, ctx,
306 "before resize wxh=%dx%d, after resize wxh=%dx%d, sizeimage=%d",
307 tmp_w, tmp_h, pix_fmt_mp->width, pix_fmt_mp->height,
308 pix_fmt_mp->width * pix_fmt_mp->height);
309
310 pix_fmt_mp->num_planes = fmt->num_planes;
311 pix_fmt_mp->plane_fmt[0].sizeimage =
312 pix_fmt_mp->width * pix_fmt_mp->height;
313 pix_fmt_mp->plane_fmt[0].bytesperline = pix_fmt_mp->width;
314
315 if (pix_fmt_mp->num_planes == 2) {
316 pix_fmt_mp->plane_fmt[1].sizeimage =
317 (pix_fmt_mp->width * pix_fmt_mp->height) / 2;
318 pix_fmt_mp->plane_fmt[1].bytesperline =
319 pix_fmt_mp->width;
320 }
321 }
322
323 pix_fmt_mp->flags = 0;
324 return 0;
325 }
326
vidioc_try_fmt_vid_cap_mplane(struct file * file,void * priv,struct v4l2_format * f)327 static int vidioc_try_fmt_vid_cap_mplane(struct file *file, void *priv,
328 struct v4l2_format *f)
329 {
330 const struct mtk_video_fmt *fmt;
331 struct mtk_vcodec_dec_ctx *ctx = fh_to_dec_ctx(priv);
332 const struct mtk_vcodec_dec_pdata *dec_pdata = ctx->dev->vdec_pdata;
333
334 fmt = mtk_vdec_find_format(f, dec_pdata);
335 if (!fmt) {
336 f->fmt.pix.pixelformat =
337 ctx->q_data[MTK_Q_DATA_DST].fmt->fourcc;
338 fmt = mtk_vdec_find_format(f, dec_pdata);
339 }
340
341 return vidioc_try_fmt(ctx, f, fmt);
342 }
343
vidioc_try_fmt_vid_out_mplane(struct file * file,void * priv,struct v4l2_format * f)344 static int vidioc_try_fmt_vid_out_mplane(struct file *file, void *priv,
345 struct v4l2_format *f)
346 {
347 struct v4l2_pix_format_mplane *pix_fmt_mp = &f->fmt.pix_mp;
348 const struct mtk_video_fmt *fmt;
349 struct mtk_vcodec_dec_ctx *ctx = fh_to_dec_ctx(priv);
350 const struct mtk_vcodec_dec_pdata *dec_pdata = ctx->dev->vdec_pdata;
351
352 fmt = mtk_vdec_find_format(f, dec_pdata);
353 if (!fmt) {
354 f->fmt.pix.pixelformat =
355 ctx->q_data[MTK_Q_DATA_SRC].fmt->fourcc;
356 fmt = mtk_vdec_find_format(f, dec_pdata);
357 }
358
359 if (pix_fmt_mp->plane_fmt[0].sizeimage == 0) {
360 mtk_v4l2_vdec_err(ctx, "sizeimage of output format must be given");
361 return -EINVAL;
362 }
363
364 return vidioc_try_fmt(ctx, f, fmt);
365 }
366
vidioc_vdec_g_selection(struct file * file,void * priv,struct v4l2_selection * s)367 static int vidioc_vdec_g_selection(struct file *file, void *priv,
368 struct v4l2_selection *s)
369 {
370 struct mtk_vcodec_dec_ctx *ctx = fh_to_dec_ctx(priv);
371 struct mtk_q_data *q_data;
372
373 if (s->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
374 return -EINVAL;
375
376 q_data = &ctx->q_data[MTK_Q_DATA_DST];
377
378 switch (s->target) {
379 case V4L2_SEL_TGT_COMPOSE_DEFAULT:
380 s->r.left = 0;
381 s->r.top = 0;
382 s->r.width = ctx->picinfo.pic_w;
383 s->r.height = ctx->picinfo.pic_h;
384 break;
385 case V4L2_SEL_TGT_COMPOSE_BOUNDS:
386 s->r.left = 0;
387 s->r.top = 0;
388 s->r.width = ctx->picinfo.buf_w;
389 s->r.height = ctx->picinfo.buf_h;
390 break;
391 case V4L2_SEL_TGT_COMPOSE:
392 if (vdec_if_get_param(ctx, GET_PARAM_CROP_INFO, &(s->r))) {
393 /* set to default value if header info not ready yet*/
394 s->r.left = 0;
395 s->r.top = 0;
396 s->r.width = q_data->visible_width;
397 s->r.height = q_data->visible_height;
398 }
399 break;
400 default:
401 return -EINVAL;
402 }
403
404 if (ctx->state < MTK_STATE_HEADER) {
405 /* set to default value if header info not ready yet*/
406 s->r.left = 0;
407 s->r.top = 0;
408 s->r.width = q_data->visible_width;
409 s->r.height = q_data->visible_height;
410 return 0;
411 }
412
413 return 0;
414 }
415
vidioc_vdec_s_selection(struct file * file,void * priv,struct v4l2_selection * s)416 static int vidioc_vdec_s_selection(struct file *file, void *priv,
417 struct v4l2_selection *s)
418 {
419 struct mtk_vcodec_dec_ctx *ctx = fh_to_dec_ctx(priv);
420
421 if (s->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
422 return -EINVAL;
423
424 switch (s->target) {
425 case V4L2_SEL_TGT_COMPOSE:
426 s->r.left = 0;
427 s->r.top = 0;
428 s->r.width = ctx->picinfo.pic_w;
429 s->r.height = ctx->picinfo.pic_h;
430 break;
431 default:
432 return -EINVAL;
433 }
434
435 return 0;
436 }
437
vidioc_vdec_s_fmt(struct file * file,void * priv,struct v4l2_format * f)438 static int vidioc_vdec_s_fmt(struct file *file, void *priv,
439 struct v4l2_format *f)
440 {
441 struct mtk_vcodec_dec_ctx *ctx = fh_to_dec_ctx(priv);
442 struct v4l2_pix_format_mplane *pix_mp;
443 struct mtk_q_data *q_data;
444 int ret = 0;
445 const struct mtk_video_fmt *fmt;
446 const struct mtk_vcodec_dec_pdata *dec_pdata = ctx->dev->vdec_pdata;
447
448 mtk_v4l2_vdec_dbg(3, ctx, "[%d]", ctx->id);
449
450 q_data = mtk_vdec_get_q_data(ctx, f->type);
451 if (!q_data)
452 return -EINVAL;
453
454 pix_mp = &f->fmt.pix_mp;
455 /*
456 * Setting OUTPUT format after OUTPUT buffers are allocated is invalid
457 * if using the stateful API.
458 */
459 if (!dec_pdata->uses_stateless_api &&
460 f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE &&
461 vb2_is_busy(&ctx->m2m_ctx->out_q_ctx.q)) {
462 mtk_v4l2_vdec_err(ctx, "out_q_ctx buffers already requested");
463 ret = -EBUSY;
464 }
465
466 /*
467 * Setting CAPTURE format after CAPTURE buffers are allocated is
468 * invalid.
469 */
470 if ((f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) &&
471 vb2_is_busy(&ctx->m2m_ctx->cap_q_ctx.q)) {
472 mtk_v4l2_vdec_err(ctx, "cap_q_ctx buffers already requested");
473 ret = -EBUSY;
474 }
475
476 fmt = mtk_vdec_find_format(f, dec_pdata);
477 if (fmt == NULL) {
478 if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
479 f->fmt.pix.pixelformat =
480 dec_pdata->default_out_fmt->fourcc;
481 fmt = mtk_vdec_find_format(f, dec_pdata);
482 } else if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
483 f->fmt.pix.pixelformat =
484 dec_pdata->default_cap_fmt->fourcc;
485 fmt = mtk_vdec_find_format(f, dec_pdata);
486 }
487 }
488 if (fmt == NULL)
489 return -EINVAL;
490
491 q_data->fmt = fmt;
492 vidioc_try_fmt(ctx, f, q_data->fmt);
493 if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
494 q_data->sizeimage[0] = pix_mp->plane_fmt[0].sizeimage;
495 q_data->coded_width = pix_mp->width;
496 q_data->coded_height = pix_mp->height;
497
498 ctx->colorspace = pix_mp->colorspace;
499 ctx->ycbcr_enc = pix_mp->ycbcr_enc;
500 ctx->quantization = pix_mp->quantization;
501 ctx->xfer_func = pix_mp->xfer_func;
502
503 ctx->current_codec = fmt->fourcc;
504 if (ctx->state == MTK_STATE_FREE) {
505 ret = vdec_if_init(ctx, q_data->fmt->fourcc);
506 if (ret) {
507 mtk_v4l2_vdec_err(ctx, "[%d]: vdec_if_init() fail ret=%d",
508 ctx->id, ret);
509 return -EINVAL;
510 }
511 ctx->state = MTK_STATE_INIT;
512 }
513 } else {
514 ctx->capture_fourcc = fmt->fourcc;
515 }
516
517 /*
518 * If using the stateless API, S_FMT should have the effect of setting
519 * the CAPTURE queue resolution no matter which queue it was called on.
520 */
521 if (dec_pdata->uses_stateless_api) {
522 ctx->picinfo.pic_w = pix_mp->width;
523 ctx->picinfo.pic_h = pix_mp->height;
524
525 /*
526 * If get pic info fail, need to use the default pic info params, or
527 * v4l2-compliance will fail
528 */
529 ret = vdec_if_get_param(ctx, GET_PARAM_PIC_INFO, &ctx->picinfo);
530 if (ret) {
531 mtk_v4l2_vdec_err(ctx, "[%d]Error!! Get GET_PARAM_PICTURE_INFO Fail",
532 ctx->id);
533 }
534
535 ctx->last_decoded_picinfo = ctx->picinfo;
536
537 if (ctx->q_data[MTK_Q_DATA_DST].fmt->num_planes == 1) {
538 ctx->q_data[MTK_Q_DATA_DST].sizeimage[0] =
539 ctx->picinfo.fb_sz[0] +
540 ctx->picinfo.fb_sz[1];
541 ctx->q_data[MTK_Q_DATA_DST].bytesperline[0] =
542 ctx->picinfo.buf_w;
543 } else {
544 ctx->q_data[MTK_Q_DATA_DST].sizeimage[0] =
545 ctx->picinfo.fb_sz[0];
546 ctx->q_data[MTK_Q_DATA_DST].bytesperline[0] =
547 ctx->picinfo.buf_w;
548 ctx->q_data[MTK_Q_DATA_DST].sizeimage[1] =
549 ctx->picinfo.fb_sz[1];
550 ctx->q_data[MTK_Q_DATA_DST].bytesperline[1] =
551 ctx->picinfo.buf_w;
552 }
553
554 ctx->q_data[MTK_Q_DATA_DST].coded_width = ctx->picinfo.buf_w;
555 ctx->q_data[MTK_Q_DATA_DST].coded_height = ctx->picinfo.buf_h;
556 mtk_v4l2_vdec_dbg(2, ctx,
557 "[%d] init() plane:%d wxh=%dx%d pic wxh=%dx%d sz=0x%x_0x%x",
558 ctx->id, pix_mp->num_planes,
559 ctx->picinfo.buf_w, ctx->picinfo.buf_h,
560 ctx->picinfo.pic_w, ctx->picinfo.pic_h,
561 ctx->q_data[MTK_Q_DATA_DST].sizeimage[0],
562 ctx->q_data[MTK_Q_DATA_DST].sizeimage[1]);
563 }
564 return 0;
565 }
566
vidioc_enum_framesizes(struct file * file,void * priv,struct v4l2_frmsizeenum * fsize)567 static int vidioc_enum_framesizes(struct file *file, void *priv,
568 struct v4l2_frmsizeenum *fsize)
569 {
570 int i = 0;
571 struct mtk_vcodec_dec_ctx *ctx = fh_to_dec_ctx(priv);
572 const struct mtk_vcodec_dec_pdata *dec_pdata = ctx->dev->vdec_pdata;
573
574 if (fsize->index != 0)
575 return -EINVAL;
576
577 for (i = 0; i < *dec_pdata->num_formats; i++) {
578 if (fsize->pixel_format != dec_pdata->vdec_formats[i].fourcc)
579 continue;
580
581 /* Only coded formats have frame sizes set */
582 if (!dec_pdata->vdec_formats[i].frmsize.max_width)
583 return -ENOTTY;
584
585 fsize->type = V4L2_FRMSIZE_TYPE_STEPWISE;
586 fsize->stepwise = dec_pdata->vdec_formats[i].frmsize;
587
588 mtk_v4l2_vdec_dbg(1, ctx, "%x, %d %d %d %d %d %d",
589 ctx->dev->dec_capability, fsize->stepwise.min_width,
590 fsize->stepwise.max_width, fsize->stepwise.step_width,
591 fsize->stepwise.min_height, fsize->stepwise.max_height,
592 fsize->stepwise.step_height);
593
594 return 0;
595 }
596
597 return -EINVAL;
598 }
599
vidioc_enum_fmt(struct v4l2_fmtdesc * f,void * priv,bool output_queue)600 static int vidioc_enum_fmt(struct v4l2_fmtdesc *f, void *priv,
601 bool output_queue)
602 {
603 struct mtk_vcodec_dec_ctx *ctx = fh_to_dec_ctx(priv);
604 const struct mtk_vcodec_dec_pdata *dec_pdata = ctx->dev->vdec_pdata;
605 const struct mtk_video_fmt *fmt;
606 int i, j = 0;
607
608 for (i = 0; i < *dec_pdata->num_formats; i++) {
609 if (output_queue &&
610 dec_pdata->vdec_formats[i].type != MTK_FMT_DEC)
611 continue;
612 if (!output_queue &&
613 dec_pdata->vdec_formats[i].type != MTK_FMT_FRAME)
614 continue;
615
616 if (!output_queue && !mtk_vdec_get_cap_fmt(ctx, i))
617 continue;
618
619 if (j == f->index)
620 break;
621 ++j;
622 }
623
624 if (i == *dec_pdata->num_formats)
625 return -EINVAL;
626
627 fmt = &dec_pdata->vdec_formats[i];
628 f->pixelformat = fmt->fourcc;
629 f->flags = fmt->flags;
630
631 return 0;
632 }
633
vidioc_vdec_enum_fmt_vid_cap(struct file * file,void * priv,struct v4l2_fmtdesc * f)634 static int vidioc_vdec_enum_fmt_vid_cap(struct file *file, void *priv,
635 struct v4l2_fmtdesc *f)
636 {
637 return vidioc_enum_fmt(f, priv, false);
638 }
639
vidioc_vdec_enum_fmt_vid_out(struct file * file,void * priv,struct v4l2_fmtdesc * f)640 static int vidioc_vdec_enum_fmt_vid_out(struct file *file, void *priv,
641 struct v4l2_fmtdesc *f)
642 {
643 return vidioc_enum_fmt(f, priv, true);
644 }
645
vidioc_vdec_g_fmt(struct file * file,void * priv,struct v4l2_format * f)646 static int vidioc_vdec_g_fmt(struct file *file, void *priv,
647 struct v4l2_format *f)
648 {
649 struct mtk_vcodec_dec_ctx *ctx = fh_to_dec_ctx(priv);
650 struct v4l2_pix_format_mplane *pix_mp = &f->fmt.pix_mp;
651 struct vb2_queue *vq;
652 struct mtk_q_data *q_data;
653
654 vq = v4l2_m2m_get_vq(ctx->m2m_ctx, f->type);
655 if (!vq) {
656 mtk_v4l2_vdec_err(ctx, "no vb2 queue for type=%d", f->type);
657 return -EINVAL;
658 }
659
660 q_data = mtk_vdec_get_q_data(ctx, f->type);
661
662 pix_mp->field = V4L2_FIELD_NONE;
663 pix_mp->colorspace = ctx->colorspace;
664 pix_mp->ycbcr_enc = ctx->ycbcr_enc;
665 pix_mp->quantization = ctx->quantization;
666 pix_mp->xfer_func = ctx->xfer_func;
667
668 if ((f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) &&
669 (ctx->state >= MTK_STATE_HEADER)) {
670 /* Until STREAMOFF is called on the CAPTURE queue
671 * (acknowledging the event), the driver operates as if
672 * the resolution hasn't changed yet.
673 * So we just return picinfo yet, and update picinfo in
674 * stop_streaming hook function
675 */
676 q_data->sizeimage[0] = ctx->picinfo.fb_sz[0];
677 q_data->sizeimage[1] = ctx->picinfo.fb_sz[1];
678 q_data->bytesperline[0] = ctx->last_decoded_picinfo.buf_w;
679 q_data->bytesperline[1] = ctx->last_decoded_picinfo.buf_w;
680 q_data->coded_width = ctx->picinfo.buf_w;
681 q_data->coded_height = ctx->picinfo.buf_h;
682 ctx->last_decoded_picinfo.cap_fourcc = q_data->fmt->fourcc;
683
684 /*
685 * Width and height are set to the dimensions
686 * of the movie, the buffer is bigger and
687 * further processing stages should crop to this
688 * rectangle.
689 */
690 pix_mp->width = q_data->coded_width;
691 pix_mp->height = q_data->coded_height;
692
693 /*
694 * Set pixelformat to the format in which mt vcodec
695 * outputs the decoded frame
696 */
697 pix_mp->num_planes = q_data->fmt->num_planes;
698 pix_mp->pixelformat = q_data->fmt->fourcc;
699 pix_mp->plane_fmt[0].bytesperline = q_data->bytesperline[0];
700 pix_mp->plane_fmt[0].sizeimage = q_data->sizeimage[0];
701 pix_mp->plane_fmt[1].bytesperline = q_data->bytesperline[1];
702 pix_mp->plane_fmt[1].sizeimage = q_data->sizeimage[1];
703
704 } else if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
705 /*
706 * This is run on OUTPUT
707 * The buffer contains compressed image
708 * so width and height have no meaning.
709 * Assign value here to pass v4l2-compliance test
710 */
711 pix_mp->width = q_data->visible_width;
712 pix_mp->height = q_data->visible_height;
713 pix_mp->plane_fmt[0].bytesperline = q_data->bytesperline[0];
714 pix_mp->plane_fmt[0].sizeimage = q_data->sizeimage[0];
715 pix_mp->pixelformat = q_data->fmt->fourcc;
716 pix_mp->num_planes = q_data->fmt->num_planes;
717 } else {
718 pix_mp->width = q_data->coded_width;
719 pix_mp->height = q_data->coded_height;
720 pix_mp->num_planes = q_data->fmt->num_planes;
721 pix_mp->pixelformat = q_data->fmt->fourcc;
722 pix_mp->plane_fmt[0].bytesperline = q_data->bytesperline[0];
723 pix_mp->plane_fmt[0].sizeimage = q_data->sizeimage[0];
724 pix_mp->plane_fmt[1].bytesperline = q_data->bytesperline[1];
725 pix_mp->plane_fmt[1].sizeimage = q_data->sizeimage[1];
726
727 mtk_v4l2_vdec_dbg(1, ctx, "[%d] type=%d state=%d Format information not ready!",
728 ctx->id, f->type, ctx->state);
729 }
730
731 return 0;
732 }
733
vb2ops_vdec_queue_setup(struct vb2_queue * vq,unsigned int * nbuffers,unsigned int * nplanes,unsigned int sizes[],struct device * alloc_devs[])734 int vb2ops_vdec_queue_setup(struct vb2_queue *vq, unsigned int *nbuffers,
735 unsigned int *nplanes, unsigned int sizes[],
736 struct device *alloc_devs[])
737 {
738 struct mtk_vcodec_dec_ctx *ctx = vb2_get_drv_priv(vq);
739 struct mtk_q_data *q_data;
740 unsigned int i;
741
742 q_data = mtk_vdec_get_q_data(ctx, vq->type);
743
744 if (q_data == NULL) {
745 mtk_v4l2_vdec_err(ctx, "vq->type=%d err\n", vq->type);
746 return -EINVAL;
747 }
748
749 if (*nplanes) {
750 if (vq->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
751 if (*nplanes != q_data->fmt->num_planes)
752 return -EINVAL;
753 } else {
754 if (*nplanes != 1)
755 return -EINVAL;
756 }
757 for (i = 0; i < *nplanes; i++) {
758 if (sizes[i] < q_data->sizeimage[i])
759 return -EINVAL;
760 }
761 } else {
762 if (vq->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE)
763 *nplanes = q_data->fmt->num_planes;
764 else
765 *nplanes = 1;
766
767 for (i = 0; i < *nplanes; i++)
768 sizes[i] = q_data->sizeimage[i];
769 }
770
771 mtk_v4l2_vdec_dbg(1, ctx,
772 "[%d]\t type = %d, get %d plane(s), %d buffer(s) of size 0x%x 0x%x ",
773 ctx->id, vq->type, *nplanes, *nbuffers, sizes[0], sizes[1]);
774
775 return 0;
776 }
777
vb2ops_vdec_buf_prepare(struct vb2_buffer * vb)778 int vb2ops_vdec_buf_prepare(struct vb2_buffer *vb)
779 {
780 struct mtk_vcodec_dec_ctx *ctx = vb2_get_drv_priv(vb->vb2_queue);
781 struct mtk_q_data *q_data;
782 int i;
783
784 mtk_v4l2_vdec_dbg(3, ctx, "[%d] (%d) id=%d",
785 ctx->id, vb->vb2_queue->type, vb->index);
786
787 q_data = mtk_vdec_get_q_data(ctx, vb->vb2_queue->type);
788
789 for (i = 0; i < q_data->fmt->num_planes; i++) {
790 if (vb2_plane_size(vb, i) < q_data->sizeimage[i]) {
791 mtk_v4l2_vdec_err(ctx, "data will not fit into plane %d (%lu < %d)",
792 i, vb2_plane_size(vb, i), q_data->sizeimage[i]);
793 return -EINVAL;
794 }
795 if (!V4L2_TYPE_IS_OUTPUT(vb->type))
796 vb2_set_plane_payload(vb, i, q_data->sizeimage[i]);
797 }
798
799 return 0;
800 }
801
vb2ops_vdec_buf_finish(struct vb2_buffer * vb)802 void vb2ops_vdec_buf_finish(struct vb2_buffer *vb)
803 {
804 struct mtk_vcodec_dec_ctx *ctx = vb2_get_drv_priv(vb->vb2_queue);
805 struct vb2_v4l2_buffer *vb2_v4l2;
806 struct mtk_video_dec_buf *buf;
807 bool buf_error;
808
809 vb2_v4l2 = container_of(vb, struct vb2_v4l2_buffer, vb2_buf);
810 buf = container_of(vb2_v4l2, struct mtk_video_dec_buf, m2m_buf.vb);
811 mutex_lock(&ctx->lock);
812 if (vb->vb2_queue->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
813 buf->queued_in_v4l2 = false;
814 buf->queued_in_vb2 = false;
815 }
816 buf_error = buf->error;
817 mutex_unlock(&ctx->lock);
818
819 if (buf_error) {
820 mtk_v4l2_vdec_err(ctx, "Unrecoverable error on buffer.");
821 ctx->state = MTK_STATE_ABORT;
822 }
823 }
824
vb2ops_vdec_buf_init(struct vb2_buffer * vb)825 int vb2ops_vdec_buf_init(struct vb2_buffer *vb)
826 {
827 struct vb2_v4l2_buffer *vb2_v4l2 = container_of(vb,
828 struct vb2_v4l2_buffer, vb2_buf);
829 struct mtk_video_dec_buf *buf = container_of(vb2_v4l2,
830 struct mtk_video_dec_buf, m2m_buf.vb);
831
832 if (vb->vb2_queue->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
833 buf->used = false;
834 buf->queued_in_v4l2 = false;
835 }
836
837 return 0;
838 }
839
vb2ops_vdec_start_streaming(struct vb2_queue * q,unsigned int count)840 int vb2ops_vdec_start_streaming(struct vb2_queue *q, unsigned int count)
841 {
842 struct mtk_vcodec_dec_ctx *ctx = vb2_get_drv_priv(q);
843
844 if (ctx->state == MTK_STATE_FLUSH)
845 ctx->state = MTK_STATE_HEADER;
846
847 return 0;
848 }
849
vb2ops_vdec_stop_streaming(struct vb2_queue * q)850 void vb2ops_vdec_stop_streaming(struct vb2_queue *q)
851 {
852 struct vb2_v4l2_buffer *src_buf = NULL, *dst_buf = NULL;
853 struct mtk_vcodec_dec_ctx *ctx = vb2_get_drv_priv(q);
854 int ret;
855
856 mtk_v4l2_vdec_dbg(3, ctx, "[%d] (%d) state=(%x) ctx->decoded_frame_cnt=%d",
857 ctx->id, q->type, ctx->state, ctx->decoded_frame_cnt);
858
859 if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
860 while ((src_buf = v4l2_m2m_src_buf_remove(ctx->m2m_ctx))) {
861 if (src_buf != &ctx->empty_flush_buf.vb) {
862 struct media_request *req =
863 src_buf->vb2_buf.req_obj.req;
864 v4l2_m2m_buf_done(src_buf,
865 VB2_BUF_STATE_ERROR);
866 if (req)
867 v4l2_ctrl_request_complete(req, &ctx->ctrl_hdl);
868 }
869 }
870 return;
871 }
872
873 if (ctx->state >= MTK_STATE_HEADER) {
874
875 /* Until STREAMOFF is called on the CAPTURE queue
876 * (acknowledging the event), the driver operates
877 * as if the resolution hasn't changed yet, i.e.
878 * VIDIOC_G_FMT< etc. return previous resolution.
879 * So we update picinfo here
880 */
881 ctx->picinfo = ctx->last_decoded_picinfo;
882
883 mtk_v4l2_vdec_dbg(2, ctx,
884 "[%d]-> new(%d,%d), old(%d,%d), real(%d,%d)",
885 ctx->id, ctx->last_decoded_picinfo.pic_w,
886 ctx->last_decoded_picinfo.pic_h,
887 ctx->picinfo.pic_w, ctx->picinfo.pic_h,
888 ctx->last_decoded_picinfo.buf_w,
889 ctx->last_decoded_picinfo.buf_h);
890
891 ret = ctx->dev->vdec_pdata->flush_decoder(ctx);
892 if (ret)
893 mtk_v4l2_vdec_err(ctx, "DecodeFinal failed, ret=%d", ret);
894 }
895 ctx->state = MTK_STATE_FLUSH;
896
897 while ((dst_buf = v4l2_m2m_dst_buf_remove(ctx->m2m_ctx))) {
898 vb2_set_plane_payload(&dst_buf->vb2_buf, 0, 0);
899 if (ctx->q_data[MTK_Q_DATA_DST].fmt->num_planes == 2)
900 vb2_set_plane_payload(&dst_buf->vb2_buf, 1, 0);
901 v4l2_m2m_buf_done(dst_buf, VB2_BUF_STATE_ERROR);
902 }
903
904 }
905
m2mops_vdec_device_run(void * priv)906 static void m2mops_vdec_device_run(void *priv)
907 {
908 struct mtk_vcodec_dec_ctx *ctx = priv;
909 struct mtk_vcodec_dec_dev *dev = ctx->dev;
910
911 queue_work(dev->decode_workqueue, &ctx->decode_work);
912 }
913
m2mops_vdec_job_ready(void * m2m_priv)914 static int m2mops_vdec_job_ready(void *m2m_priv)
915 {
916 struct mtk_vcodec_dec_ctx *ctx = m2m_priv;
917
918 mtk_v4l2_vdec_dbg(3, ctx, "[%d]", ctx->id);
919
920 if (ctx->state == MTK_STATE_ABORT)
921 return 0;
922
923 if ((ctx->last_decoded_picinfo.pic_w != ctx->picinfo.pic_w) ||
924 (ctx->last_decoded_picinfo.pic_h != ctx->picinfo.pic_h))
925 return 0;
926
927 if (ctx->state != MTK_STATE_HEADER)
928 return 0;
929
930 return 1;
931 }
932
m2mops_vdec_job_abort(void * priv)933 static void m2mops_vdec_job_abort(void *priv)
934 {
935 struct mtk_vcodec_dec_ctx *ctx = priv;
936
937 ctx->state = MTK_STATE_ABORT;
938 }
939
940 const struct v4l2_m2m_ops mtk_vdec_m2m_ops = {
941 .device_run = m2mops_vdec_device_run,
942 .job_ready = m2mops_vdec_job_ready,
943 .job_abort = m2mops_vdec_job_abort,
944 };
945
946 const struct v4l2_ioctl_ops mtk_vdec_ioctl_ops = {
947 .vidioc_streamon = v4l2_m2m_ioctl_streamon,
948 .vidioc_streamoff = v4l2_m2m_ioctl_streamoff,
949 .vidioc_reqbufs = v4l2_m2m_ioctl_reqbufs,
950 .vidioc_querybuf = v4l2_m2m_ioctl_querybuf,
951 .vidioc_expbuf = v4l2_m2m_ioctl_expbuf,
952
953 .vidioc_qbuf = vidioc_vdec_qbuf,
954 .vidioc_dqbuf = vidioc_vdec_dqbuf,
955
956 .vidioc_try_fmt_vid_cap_mplane = vidioc_try_fmt_vid_cap_mplane,
957 .vidioc_try_fmt_vid_out_mplane = vidioc_try_fmt_vid_out_mplane,
958
959 .vidioc_s_fmt_vid_cap_mplane = vidioc_vdec_s_fmt,
960 .vidioc_s_fmt_vid_out_mplane = vidioc_vdec_s_fmt,
961 .vidioc_g_fmt_vid_cap_mplane = vidioc_vdec_g_fmt,
962 .vidioc_g_fmt_vid_out_mplane = vidioc_vdec_g_fmt,
963
964 .vidioc_create_bufs = v4l2_m2m_ioctl_create_bufs,
965
966 .vidioc_enum_fmt_vid_cap = vidioc_vdec_enum_fmt_vid_cap,
967 .vidioc_enum_fmt_vid_out = vidioc_vdec_enum_fmt_vid_out,
968 .vidioc_enum_framesizes = vidioc_enum_framesizes,
969
970 .vidioc_querycap = vidioc_vdec_querycap,
971 .vidioc_subscribe_event = vidioc_vdec_subscribe_evt,
972 .vidioc_unsubscribe_event = v4l2_event_unsubscribe,
973 .vidioc_g_selection = vidioc_vdec_g_selection,
974 .vidioc_s_selection = vidioc_vdec_s_selection,
975
976 .vidioc_decoder_cmd = vidioc_decoder_cmd,
977 .vidioc_try_decoder_cmd = vidioc_try_decoder_cmd,
978 };
979
mtk_vcodec_dec_queue_init(void * priv,struct vb2_queue * src_vq,struct vb2_queue * dst_vq)980 int mtk_vcodec_dec_queue_init(void *priv, struct vb2_queue *src_vq,
981 struct vb2_queue *dst_vq)
982 {
983 struct mtk_vcodec_dec_ctx *ctx = priv;
984 int ret = 0;
985
986 mtk_v4l2_vdec_dbg(3, ctx, "[%d]", ctx->id);
987
988 src_vq->type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE;
989 src_vq->io_modes = VB2_DMABUF | VB2_MMAP;
990 src_vq->drv_priv = ctx;
991 src_vq->buf_struct_size = sizeof(struct mtk_video_dec_buf);
992 src_vq->ops = ctx->dev->vdec_pdata->vdec_vb2_ops;
993 src_vq->mem_ops = &vb2_dma_contig_memops;
994 src_vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY;
995 src_vq->lock = &ctx->dev->dev_mutex;
996 src_vq->dev = &ctx->dev->plat_dev->dev;
997 src_vq->allow_cache_hints = 1;
998
999 ret = vb2_queue_init(src_vq);
1000 if (ret) {
1001 mtk_v4l2_vdec_err(ctx, "Failed to initialize videobuf2 queue(output)");
1002 return ret;
1003 }
1004 dst_vq->type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE;
1005 dst_vq->io_modes = VB2_DMABUF | VB2_MMAP;
1006 dst_vq->drv_priv = ctx;
1007 dst_vq->buf_struct_size = sizeof(struct mtk_video_dec_buf);
1008 dst_vq->ops = ctx->dev->vdec_pdata->vdec_vb2_ops;
1009 dst_vq->mem_ops = &vb2_dma_contig_memops;
1010 dst_vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY;
1011 dst_vq->lock = &ctx->dev->dev_mutex;
1012 dst_vq->dev = &ctx->dev->plat_dev->dev;
1013 dst_vq->allow_cache_hints = 1;
1014
1015 ret = vb2_queue_init(dst_vq);
1016 if (ret)
1017 mtk_v4l2_vdec_err(ctx, "Failed to initialize videobuf2 queue(capture)");
1018
1019 return ret;
1020 }
1021
