1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /*
3 * linux/drivers/media/platform/samsung/s5p-mfc/s5p_mfc_dec.c
4 *
5 * Copyright (C) 2011 Samsung Electronics Co., Ltd.
6 * http://www.samsung.com/
7 * Kamil Debski, <k.debski@samsung.com>
8 */
9
10 #include <linux/clk.h>
11 #include <linux/interrupt.h>
12 #include <linux/io.h>
13 #include <linux/module.h>
14 #include <linux/platform_device.h>
15 #include <linux/sched.h>
16 #include <linux/slab.h>
17 #include <linux/videodev2.h>
18 #include <linux/workqueue.h>
19 #include <media/v4l2-ctrls.h>
20 #include <media/v4l2-event.h>
21 #include <media/videobuf2-v4l2.h>
22 #include "s5p_mfc_common.h"
23 #include "s5p_mfc_ctrl.h"
24 #include "s5p_mfc_debug.h"
25 #include "s5p_mfc_dec.h"
26 #include "s5p_mfc_intr.h"
27 #include "s5p_mfc_opr.h"
28 #include "s5p_mfc_pm.h"
29
30 static struct s5p_mfc_fmt formats[] = {
31 {
32 .fourcc = V4L2_PIX_FMT_NV12MT_16X16,
33 .codec_mode = S5P_MFC_CODEC_NONE,
34 .type = MFC_FMT_RAW,
35 .num_planes = 2,
36 .versions = MFC_V6_BIT | MFC_V7_BIT,
37 },
38 {
39 .fourcc = V4L2_PIX_FMT_NV12MT,
40 .codec_mode = S5P_MFC_CODEC_NONE,
41 .type = MFC_FMT_RAW,
42 .num_planes = 2,
43 .versions = MFC_V5_BIT,
44 },
45 {
46 .fourcc = V4L2_PIX_FMT_NV12M,
47 .codec_mode = S5P_MFC_CODEC_NONE,
48 .type = MFC_FMT_RAW,
49 .num_planes = 2,
50 .versions = MFC_V6PLUS_BITS,
51 },
52 {
53 .fourcc = V4L2_PIX_FMT_NV21M,
54 .codec_mode = S5P_MFC_CODEC_NONE,
55 .type = MFC_FMT_RAW,
56 .num_planes = 2,
57 .versions = MFC_V6PLUS_BITS,
58 },
59 {
60 .fourcc = V4L2_PIX_FMT_H264,
61 .codec_mode = S5P_MFC_CODEC_H264_DEC,
62 .type = MFC_FMT_DEC,
63 .num_planes = 1,
64 .versions = MFC_V5PLUS_BITS,
65 .flags = V4L2_FMT_FLAG_DYN_RESOLUTION |
66 V4L2_FMT_FLAG_CONTINUOUS_BYTESTREAM,
67 },
68 {
69 .fourcc = V4L2_PIX_FMT_H264_MVC,
70 .codec_mode = S5P_MFC_CODEC_H264_MVC_DEC,
71 .type = MFC_FMT_DEC,
72 .num_planes = 1,
73 .versions = MFC_V6PLUS_BITS,
74 .flags = V4L2_FMT_FLAG_DYN_RESOLUTION |
75 V4L2_FMT_FLAG_CONTINUOUS_BYTESTREAM,
76 },
77 {
78 .fourcc = V4L2_PIX_FMT_H263,
79 .codec_mode = S5P_MFC_CODEC_H263_DEC,
80 .type = MFC_FMT_DEC,
81 .num_planes = 1,
82 .versions = MFC_V5PLUS_BITS,
83 .flags = V4L2_FMT_FLAG_DYN_RESOLUTION,
84 },
85 {
86 .fourcc = V4L2_PIX_FMT_MPEG1,
87 .codec_mode = S5P_MFC_CODEC_MPEG2_DEC,
88 .type = MFC_FMT_DEC,
89 .num_planes = 1,
90 .versions = MFC_V5PLUS_BITS,
91 .flags = V4L2_FMT_FLAG_DYN_RESOLUTION |
92 V4L2_FMT_FLAG_CONTINUOUS_BYTESTREAM,
93 },
94 {
95 .fourcc = V4L2_PIX_FMT_MPEG2,
96 .codec_mode = S5P_MFC_CODEC_MPEG2_DEC,
97 .type = MFC_FMT_DEC,
98 .num_planes = 1,
99 .versions = MFC_V5PLUS_BITS,
100 .flags = V4L2_FMT_FLAG_DYN_RESOLUTION |
101 V4L2_FMT_FLAG_CONTINUOUS_BYTESTREAM,
102 },
103 {
104 .fourcc = V4L2_PIX_FMT_MPEG4,
105 .codec_mode = S5P_MFC_CODEC_MPEG4_DEC,
106 .type = MFC_FMT_DEC,
107 .num_planes = 1,
108 .versions = MFC_V5PLUS_BITS,
109 .flags = V4L2_FMT_FLAG_DYN_RESOLUTION |
110 V4L2_FMT_FLAG_CONTINUOUS_BYTESTREAM,
111 },
112 {
113 .fourcc = V4L2_PIX_FMT_XVID,
114 .codec_mode = S5P_MFC_CODEC_MPEG4_DEC,
115 .type = MFC_FMT_DEC,
116 .num_planes = 1,
117 .versions = MFC_V5PLUS_BITS,
118 .flags = V4L2_FMT_FLAG_DYN_RESOLUTION,
119 },
120 {
121 .fourcc = V4L2_PIX_FMT_VC1_ANNEX_G,
122 .codec_mode = S5P_MFC_CODEC_VC1_DEC,
123 .type = MFC_FMT_DEC,
124 .num_planes = 1,
125 .versions = MFC_V5PLUS_BITS,
126 .flags = V4L2_FMT_FLAG_DYN_RESOLUTION,
127 },
128 {
129 .fourcc = V4L2_PIX_FMT_VC1_ANNEX_L,
130 .codec_mode = S5P_MFC_CODEC_VC1RCV_DEC,
131 .type = MFC_FMT_DEC,
132 .num_planes = 1,
133 .versions = MFC_V5PLUS_BITS,
134 .flags = V4L2_FMT_FLAG_DYN_RESOLUTION,
135 },
136 {
137 .fourcc = V4L2_PIX_FMT_VP8,
138 .codec_mode = S5P_MFC_CODEC_VP8_DEC,
139 .type = MFC_FMT_DEC,
140 .num_planes = 1,
141 .versions = MFC_V6PLUS_BITS,
142 .flags = V4L2_FMT_FLAG_DYN_RESOLUTION,
143 },
144 {
145 .fourcc = V4L2_PIX_FMT_HEVC,
146 .codec_mode = S5P_FIMV_CODEC_HEVC_DEC,
147 .type = MFC_FMT_DEC,
148 .num_planes = 1,
149 .versions = MFC_V10_BIT,
150 .flags = V4L2_FMT_FLAG_DYN_RESOLUTION |
151 V4L2_FMT_FLAG_CONTINUOUS_BYTESTREAM,
152 },
153 {
154 .fourcc = V4L2_PIX_FMT_VP9,
155 .codec_mode = S5P_FIMV_CODEC_VP9_DEC,
156 .type = MFC_FMT_DEC,
157 .num_planes = 1,
158 .versions = MFC_V10_BIT,
159 .flags = V4L2_FMT_FLAG_DYN_RESOLUTION,
160 },
161 };
162
163 #define NUM_FORMATS ARRAY_SIZE(formats)
164
165 /* Find selected format description */
find_format(struct v4l2_format * f,unsigned int t)166 static struct s5p_mfc_fmt *find_format(struct v4l2_format *f, unsigned int t)
167 {
168 unsigned int i;
169
170 for (i = 0; i < NUM_FORMATS; i++) {
171 if (formats[i].fourcc == f->fmt.pix_mp.pixelformat &&
172 formats[i].type == t)
173 return &formats[i];
174 }
175 return NULL;
176 }
177
178 static struct mfc_control controls[] = {
179 {
180 .id = V4L2_CID_MPEG_MFC51_VIDEO_DECODER_H264_DISPLAY_DELAY,
181 .type = V4L2_CTRL_TYPE_INTEGER,
182 .name = "H264 Display Delay",
183 .minimum = 0,
184 .maximum = 16383,
185 .step = 1,
186 .default_value = 0,
187 },
188 {
189 .id = V4L2_CID_MPEG_VIDEO_DEC_DISPLAY_DELAY,
190 .type = V4L2_CTRL_TYPE_INTEGER,
191 .minimum = 0,
192 .maximum = 16383,
193 .step = 1,
194 .default_value = 0,
195 },
196 {
197 .id = V4L2_CID_MPEG_MFC51_VIDEO_DECODER_H264_DISPLAY_DELAY_ENABLE,
198 .type = V4L2_CTRL_TYPE_BOOLEAN,
199 .name = "H264 Display Delay Enable",
200 .minimum = 0,
201 .maximum = 1,
202 .step = 1,
203 .default_value = 0,
204 },
205 {
206 .id = V4L2_CID_MPEG_VIDEO_DEC_DISPLAY_DELAY_ENABLE,
207 .type = V4L2_CTRL_TYPE_BOOLEAN,
208 .minimum = 0,
209 .maximum = 1,
210 .default_value = 0,
211 },
212 {
213 .id = V4L2_CID_MPEG_VIDEO_DECODER_MPEG4_DEBLOCK_FILTER,
214 .type = V4L2_CTRL_TYPE_BOOLEAN,
215 .name = "Mpeg4 Loop Filter Enable",
216 .minimum = 0,
217 .maximum = 1,
218 .step = 1,
219 .default_value = 0,
220 },
221 {
222 .id = V4L2_CID_MPEG_VIDEO_DECODER_SLICE_INTERFACE,
223 .type = V4L2_CTRL_TYPE_BOOLEAN,
224 .name = "Slice Interface Enable",
225 .minimum = 0,
226 .maximum = 1,
227 .step = 1,
228 .default_value = 0,
229 },
230 {
231 .id = V4L2_CID_MIN_BUFFERS_FOR_CAPTURE,
232 .type = V4L2_CTRL_TYPE_INTEGER,
233 .name = "Minimum number of cap bufs",
234 .minimum = 1,
235 .maximum = 32,
236 .step = 1,
237 .default_value = 1,
238 .is_volatile = 1,
239 },
240 };
241
242 #define NUM_CTRLS ARRAY_SIZE(controls)
243
244 /* Check whether a context should be run on hardware */
s5p_mfc_ctx_ready(struct s5p_mfc_ctx * ctx)245 static int s5p_mfc_ctx_ready(struct s5p_mfc_ctx *ctx)
246 {
247 /* Context is to parse header */
248 if (ctx->src_queue_cnt >= 1 && ctx->state == MFCINST_GOT_INST)
249 return 1;
250 /* Context is to decode a frame */
251 if (ctx->src_queue_cnt >= 1 &&
252 ctx->state == MFCINST_RUNNING &&
253 ctx->dst_queue_cnt >= ctx->pb_count)
254 return 1;
255 /* Context is to return last frame */
256 if (ctx->state == MFCINST_FINISHING &&
257 ctx->dst_queue_cnt >= ctx->pb_count)
258 return 1;
259 /* Context is to set buffers */
260 if (ctx->src_queue_cnt >= 1 &&
261 ctx->state == MFCINST_HEAD_PARSED &&
262 ctx->capture_state == QUEUE_BUFS_MMAPED)
263 return 1;
264 /* Resolution change */
265 if ((ctx->state == MFCINST_RES_CHANGE_INIT ||
266 ctx->state == MFCINST_RES_CHANGE_FLUSH) &&
267 ctx->dst_queue_cnt >= ctx->pb_count)
268 return 1;
269 if (ctx->state == MFCINST_RES_CHANGE_END &&
270 ctx->src_queue_cnt >= 1)
271 return 1;
272 mfc_debug(2, "ctx is not ready\n");
273 return 0;
274 }
275
276 static const struct s5p_mfc_codec_ops decoder_codec_ops = {
277 .pre_seq_start = NULL,
278 .post_seq_start = NULL,
279 .pre_frame_start = NULL,
280 .post_frame_start = NULL,
281 };
282
283 /* Query capabilities of the device */
vidioc_querycap(struct file * file,void * priv,struct v4l2_capability * cap)284 static int vidioc_querycap(struct file *file, void *priv,
285 struct v4l2_capability *cap)
286 {
287 struct s5p_mfc_dev *dev = video_drvdata(file);
288
289 strscpy(cap->driver, S5P_MFC_NAME, sizeof(cap->driver));
290 strscpy(cap->card, dev->vfd_dec->name, sizeof(cap->card));
291 return 0;
292 }
293
294 /* Enumerate format */
vidioc_enum_fmt(struct file * file,struct v4l2_fmtdesc * f,bool out)295 static int vidioc_enum_fmt(struct file *file, struct v4l2_fmtdesc *f,
296 bool out)
297 {
298 struct s5p_mfc_dev *dev = video_drvdata(file);
299 int i, j = 0;
300
301 for (i = 0; i < ARRAY_SIZE(formats); ++i) {
302 if (out && formats[i].type != MFC_FMT_DEC)
303 continue;
304 else if (!out && formats[i].type != MFC_FMT_RAW)
305 continue;
306 else if ((dev->variant->version_bit & formats[i].versions) == 0)
307 continue;
308
309 if (j == f->index)
310 break;
311 ++j;
312 }
313 if (i == ARRAY_SIZE(formats))
314 return -EINVAL;
315 f->pixelformat = formats[i].fourcc;
316 return 0;
317 }
318
vidioc_enum_fmt_vid_cap(struct file * file,void * pirv,struct v4l2_fmtdesc * f)319 static int vidioc_enum_fmt_vid_cap(struct file *file, void *pirv,
320 struct v4l2_fmtdesc *f)
321 {
322 return vidioc_enum_fmt(file, f, false);
323 }
324
vidioc_enum_fmt_vid_out(struct file * file,void * priv,struct v4l2_fmtdesc * f)325 static int vidioc_enum_fmt_vid_out(struct file *file, void *priv,
326 struct v4l2_fmtdesc *f)
327 {
328 return vidioc_enum_fmt(file, f, true);
329 }
330
331 /* Get format */
vidioc_g_fmt(struct file * file,void * priv,struct v4l2_format * f)332 static int vidioc_g_fmt(struct file *file, void *priv, struct v4l2_format *f)
333 {
334 struct s5p_mfc_ctx *ctx = fh_to_ctx(priv);
335 struct v4l2_pix_format_mplane *pix_mp;
336
337 mfc_debug_enter();
338 pix_mp = &f->fmt.pix_mp;
339 if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE &&
340 (ctx->state == MFCINST_GOT_INST || ctx->state ==
341 MFCINST_RES_CHANGE_END)) {
342 /* If the MFC is parsing the header,
343 * so wait until it is finished */
344 s5p_mfc_wait_for_done_ctx(ctx, S5P_MFC_R2H_CMD_SEQ_DONE_RET,
345 0);
346 }
347 if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE &&
348 ctx->state >= MFCINST_HEAD_PARSED &&
349 ctx->state < MFCINST_ABORT) {
350 /* This is run on CAPTURE (decode output) */
351 /* Width and height are set to the dimensions
352 of the movie, the buffer is bigger and
353 further processing stages should crop to this
354 rectangle. */
355 pix_mp->width = ctx->buf_width;
356 pix_mp->height = ctx->buf_height;
357 pix_mp->field = V4L2_FIELD_NONE;
358 pix_mp->num_planes = 2;
359 /* Set pixelformat to the format in which MFC
360 outputs the decoded frame */
361 pix_mp->pixelformat = ctx->dst_fmt->fourcc;
362 pix_mp->plane_fmt[0].bytesperline = ctx->buf_width;
363 pix_mp->plane_fmt[0].sizeimage = ctx->luma_size;
364 pix_mp->plane_fmt[1].bytesperline = ctx->buf_width;
365 pix_mp->plane_fmt[1].sizeimage = ctx->chroma_size;
366 } else if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
367 /* This is run on OUTPUT
368 The buffer contains compressed image
369 so width and height have no meaning */
370 pix_mp->width = 0;
371 pix_mp->height = 0;
372 pix_mp->field = V4L2_FIELD_NONE;
373 pix_mp->plane_fmt[0].bytesperline = ctx->dec_src_buf_size;
374 pix_mp->plane_fmt[0].sizeimage = ctx->dec_src_buf_size;
375 pix_mp->pixelformat = ctx->src_fmt->fourcc;
376 pix_mp->num_planes = ctx->src_fmt->num_planes;
377 } else {
378 mfc_err("Format could not be read\n");
379 mfc_debug(2, "%s-- with error\n", __func__);
380 return -EINVAL;
381 }
382 mfc_debug_leave();
383 return 0;
384 }
385
386 /* Try format */
vidioc_try_fmt(struct file * file,void * priv,struct v4l2_format * f)387 static int vidioc_try_fmt(struct file *file, void *priv, struct v4l2_format *f)
388 {
389 struct s5p_mfc_dev *dev = video_drvdata(file);
390 struct s5p_mfc_fmt *fmt;
391
392 mfc_debug(2, "Type is %d\n", f->type);
393 if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
394 fmt = find_format(f, MFC_FMT_DEC);
395 if (!fmt) {
396 mfc_err("Unsupported format for source.\n");
397 return -EINVAL;
398 }
399 if (fmt->codec_mode == S5P_FIMV_CODEC_NONE) {
400 mfc_err("Unknown codec\n");
401 return -EINVAL;
402 }
403 if ((dev->variant->version_bit & fmt->versions) == 0) {
404 mfc_err("Unsupported format by this MFC version.\n");
405 return -EINVAL;
406 }
407 } else if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
408 fmt = find_format(f, MFC_FMT_RAW);
409 if (!fmt) {
410 mfc_err("Unsupported format for destination.\n");
411 return -EINVAL;
412 }
413 if ((dev->variant->version_bit & fmt->versions) == 0) {
414 mfc_err("Unsupported format by this MFC version.\n");
415 return -EINVAL;
416 }
417 }
418
419 return 0;
420 }
421
422 /* Set format */
vidioc_s_fmt(struct file * file,void * priv,struct v4l2_format * f)423 static int vidioc_s_fmt(struct file *file, void *priv, struct v4l2_format *f)
424 {
425 struct s5p_mfc_dev *dev = video_drvdata(file);
426 struct s5p_mfc_ctx *ctx = fh_to_ctx(priv);
427 int ret = 0;
428 struct v4l2_pix_format_mplane *pix_mp;
429 struct s5p_mfc_buf_size *buf_size = dev->variant->buf_size;
430
431 mfc_debug_enter();
432 ret = vidioc_try_fmt(file, priv, f);
433 pix_mp = &f->fmt.pix_mp;
434 if (ret)
435 return ret;
436 if (vb2_is_streaming(&ctx->vq_src) || vb2_is_streaming(&ctx->vq_dst)) {
437 v4l2_err(&dev->v4l2_dev, "%s queue busy\n", __func__);
438 ret = -EBUSY;
439 goto out;
440 }
441 if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
442 /* dst_fmt is validated by call to vidioc_try_fmt */
443 ctx->dst_fmt = find_format(f, MFC_FMT_RAW);
444 ret = 0;
445 goto out;
446 } else if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
447 /* src_fmt is validated by call to vidioc_try_fmt */
448 ctx->src_fmt = find_format(f, MFC_FMT_DEC);
449 ctx->codec_mode = ctx->src_fmt->codec_mode;
450 mfc_debug(2, "The codec number is: %d\n", ctx->codec_mode);
451 pix_mp->height = 0;
452 pix_mp->width = 0;
453 if (pix_mp->plane_fmt[0].sizeimage == 0)
454 pix_mp->plane_fmt[0].sizeimage = ctx->dec_src_buf_size =
455 DEF_CPB_SIZE;
456 else if (pix_mp->plane_fmt[0].sizeimage > buf_size->cpb)
457 ctx->dec_src_buf_size = buf_size->cpb;
458 else
459 ctx->dec_src_buf_size = pix_mp->plane_fmt[0].sizeimage;
460 pix_mp->plane_fmt[0].bytesperline = 0;
461 ctx->state = MFCINST_INIT;
462 ret = 0;
463 goto out;
464 } else {
465 mfc_err("Wrong type error for S_FMT : %d", f->type);
466 ret = -EINVAL;
467 goto out;
468 }
469
470 out:
471 mfc_debug_leave();
472 return ret;
473 }
474
reqbufs_output(struct s5p_mfc_dev * dev,struct s5p_mfc_ctx * ctx,struct v4l2_requestbuffers * reqbufs)475 static int reqbufs_output(struct s5p_mfc_dev *dev, struct s5p_mfc_ctx *ctx,
476 struct v4l2_requestbuffers *reqbufs)
477 {
478 int ret = 0;
479
480 s5p_mfc_clock_on();
481
482 if (reqbufs->count == 0) {
483 mfc_debug(2, "Freeing buffers\n");
484 ret = vb2_reqbufs(&ctx->vq_src, reqbufs);
485 if (ret)
486 goto out;
487 ctx->src_bufs_cnt = 0;
488 ctx->output_state = QUEUE_FREE;
489 } else if (ctx->output_state == QUEUE_FREE) {
490 /* Can only request buffers when we have a valid format set. */
491 WARN_ON(ctx->src_bufs_cnt != 0);
492 if (ctx->state != MFCINST_INIT) {
493 mfc_err("Reqbufs called in an invalid state\n");
494 ret = -EINVAL;
495 goto out;
496 }
497
498 mfc_debug(2, "Allocating %d buffers for OUTPUT queue\n",
499 reqbufs->count);
500 ret = vb2_reqbufs(&ctx->vq_src, reqbufs);
501 if (ret)
502 goto out;
503
504 ret = s5p_mfc_open_mfc_inst(dev, ctx);
505 if (ret) {
506 reqbufs->count = 0;
507 vb2_reqbufs(&ctx->vq_src, reqbufs);
508 goto out;
509 }
510
511 ctx->output_state = QUEUE_BUFS_REQUESTED;
512 } else {
513 mfc_err("Buffers have already been requested\n");
514 ret = -EINVAL;
515 }
516 out:
517 s5p_mfc_clock_off();
518 if (ret)
519 mfc_err("Failed allocating buffers for OUTPUT queue\n");
520 return ret;
521 }
522
reqbufs_capture(struct s5p_mfc_dev * dev,struct s5p_mfc_ctx * ctx,struct v4l2_requestbuffers * reqbufs)523 static int reqbufs_capture(struct s5p_mfc_dev *dev, struct s5p_mfc_ctx *ctx,
524 struct v4l2_requestbuffers *reqbufs)
525 {
526 int ret = 0;
527
528 s5p_mfc_clock_on();
529
530 if (reqbufs->count == 0) {
531 mfc_debug(2, "Freeing buffers\n");
532 ret = vb2_reqbufs(&ctx->vq_dst, reqbufs);
533 if (ret)
534 goto out;
535 s5p_mfc_hw_call(dev->mfc_ops, release_codec_buffers, ctx);
536 ctx->dst_bufs_cnt = 0;
537 } else if (ctx->capture_state == QUEUE_FREE) {
538 WARN_ON(ctx->dst_bufs_cnt != 0);
539 mfc_debug(2, "Allocating %d buffers for CAPTURE queue\n",
540 reqbufs->count);
541 ret = vb2_reqbufs(&ctx->vq_dst, reqbufs);
542 if (ret)
543 goto out;
544
545 ctx->capture_state = QUEUE_BUFS_REQUESTED;
546 ctx->total_dpb_count = reqbufs->count;
547
548 ret = s5p_mfc_hw_call(dev->mfc_ops, alloc_codec_buffers, ctx);
549 if (ret) {
550 mfc_err("Failed to allocate decoding buffers\n");
551 reqbufs->count = 0;
552 vb2_reqbufs(&ctx->vq_dst, reqbufs);
553 ret = -ENOMEM;
554 ctx->capture_state = QUEUE_FREE;
555 goto out;
556 }
557
558 WARN_ON(ctx->dst_bufs_cnt != ctx->total_dpb_count);
559 ctx->capture_state = QUEUE_BUFS_MMAPED;
560
561 if (s5p_mfc_ctx_ready(ctx))
562 set_work_bit_irqsave(ctx);
563 s5p_mfc_hw_call(dev->mfc_ops, try_run, dev);
564 s5p_mfc_wait_for_done_ctx(ctx, S5P_MFC_R2H_CMD_INIT_BUFFERS_RET,
565 0);
566 } else {
567 mfc_err("Buffers have already been requested\n");
568 ret = -EINVAL;
569 }
570 out:
571 s5p_mfc_clock_off();
572 if (ret)
573 mfc_err("Failed allocating buffers for CAPTURE queue\n");
574 return ret;
575 }
576
577 /* Request buffers */
vidioc_reqbufs(struct file * file,void * priv,struct v4l2_requestbuffers * reqbufs)578 static int vidioc_reqbufs(struct file *file, void *priv,
579 struct v4l2_requestbuffers *reqbufs)
580 {
581 struct s5p_mfc_dev *dev = video_drvdata(file);
582 struct s5p_mfc_ctx *ctx = fh_to_ctx(priv);
583
584 if (reqbufs->memory != V4L2_MEMORY_MMAP) {
585 mfc_debug(2, "Only V4L2_MEMORY_MMAP is supported\n");
586 return -EINVAL;
587 }
588
589 if (reqbufs->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
590 return reqbufs_output(dev, ctx, reqbufs);
591 } else if (reqbufs->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
592 return reqbufs_capture(dev, ctx, reqbufs);
593 } else {
594 mfc_err("Invalid type requested\n");
595 return -EINVAL;
596 }
597 }
598
599 /* Query buffer */
vidioc_querybuf(struct file * file,void * priv,struct v4l2_buffer * buf)600 static int vidioc_querybuf(struct file *file, void *priv,
601 struct v4l2_buffer *buf)
602 {
603 struct s5p_mfc_ctx *ctx = fh_to_ctx(priv);
604 int ret;
605 int i;
606
607 if (buf->memory != V4L2_MEMORY_MMAP) {
608 mfc_err("Only mmapped buffers can be used\n");
609 return -EINVAL;
610 }
611 mfc_debug(2, "State: %d, buf->type: %d\n", ctx->state, buf->type);
612 if (ctx->state == MFCINST_GOT_INST &&
613 buf->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
614 ret = vb2_querybuf(&ctx->vq_src, buf);
615 } else if (ctx->state == MFCINST_RUNNING &&
616 buf->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
617 ret = vb2_querybuf(&ctx->vq_dst, buf);
618 for (i = 0; i < buf->length; i++)
619 buf->m.planes[i].m.mem_offset += DST_QUEUE_OFF_BASE;
620 } else {
621 mfc_err("vidioc_querybuf called in an inappropriate state\n");
622 ret = -EINVAL;
623 }
624 mfc_debug_leave();
625 return ret;
626 }
627
628 /* Queue a buffer */
vidioc_qbuf(struct file * file,void * priv,struct v4l2_buffer * buf)629 static int vidioc_qbuf(struct file *file, void *priv, struct v4l2_buffer *buf)
630 {
631 struct s5p_mfc_ctx *ctx = fh_to_ctx(priv);
632
633 if (ctx->state == MFCINST_ERROR) {
634 mfc_err("Call on QBUF after unrecoverable error\n");
635 return -EIO;
636 }
637 if (buf->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
638 return vb2_qbuf(&ctx->vq_src, NULL, buf);
639 else if (buf->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE)
640 return vb2_qbuf(&ctx->vq_dst, NULL, buf);
641 return -EINVAL;
642 }
643
644 /* Dequeue a buffer */
vidioc_dqbuf(struct file * file,void * priv,struct v4l2_buffer * buf)645 static int vidioc_dqbuf(struct file *file, void *priv, struct v4l2_buffer *buf)
646 {
647 const struct v4l2_event ev = {
648 .type = V4L2_EVENT_EOS
649 };
650 struct s5p_mfc_ctx *ctx = fh_to_ctx(priv);
651 int ret;
652
653 if (ctx->state == MFCINST_ERROR) {
654 mfc_err_limited("Call on DQBUF after unrecoverable error\n");
655 return -EIO;
656 }
657
658 switch (buf->type) {
659 case V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE:
660 return vb2_dqbuf(&ctx->vq_src, buf, file->f_flags & O_NONBLOCK);
661 case V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE:
662 ret = vb2_dqbuf(&ctx->vq_dst, buf, file->f_flags & O_NONBLOCK);
663 if (ret)
664 return ret;
665
666 if (ctx->state == MFCINST_FINISHED &&
667 (ctx->dst_bufs[buf->index].flags & MFC_BUF_FLAG_EOS))
668 v4l2_event_queue_fh(&ctx->fh, &ev);
669 return 0;
670 default:
671 return -EINVAL;
672 }
673 }
674
675 /* Export DMA buffer */
vidioc_expbuf(struct file * file,void * priv,struct v4l2_exportbuffer * eb)676 static int vidioc_expbuf(struct file *file, void *priv,
677 struct v4l2_exportbuffer *eb)
678 {
679 struct s5p_mfc_ctx *ctx = fh_to_ctx(priv);
680
681 if (eb->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
682 return vb2_expbuf(&ctx->vq_src, eb);
683 if (eb->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE)
684 return vb2_expbuf(&ctx->vq_dst, eb);
685 return -EINVAL;
686 }
687
688 /* Stream on */
vidioc_streamon(struct file * file,void * priv,enum v4l2_buf_type type)689 static int vidioc_streamon(struct file *file, void *priv,
690 enum v4l2_buf_type type)
691 {
692 struct s5p_mfc_ctx *ctx = fh_to_ctx(priv);
693 int ret = -EINVAL;
694
695 mfc_debug_enter();
696 if (type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
697 ret = vb2_streamon(&ctx->vq_src, type);
698 else if (type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE)
699 ret = vb2_streamon(&ctx->vq_dst, type);
700 mfc_debug_leave();
701 return ret;
702 }
703
704 /* Stream off, which equals to a pause */
vidioc_streamoff(struct file * file,void * priv,enum v4l2_buf_type type)705 static int vidioc_streamoff(struct file *file, void *priv,
706 enum v4l2_buf_type type)
707 {
708 struct s5p_mfc_ctx *ctx = fh_to_ctx(priv);
709
710 if (type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
711 return vb2_streamoff(&ctx->vq_src, type);
712 else if (type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE)
713 return vb2_streamoff(&ctx->vq_dst, type);
714 return -EINVAL;
715 }
716
717 /* Set controls - v4l2 control framework */
s5p_mfc_dec_s_ctrl(struct v4l2_ctrl * ctrl)718 static int s5p_mfc_dec_s_ctrl(struct v4l2_ctrl *ctrl)
719 {
720 struct s5p_mfc_ctx *ctx = ctrl_to_ctx(ctrl);
721
722 switch (ctrl->id) {
723 case V4L2_CID_MPEG_MFC51_VIDEO_DECODER_H264_DISPLAY_DELAY:
724 case V4L2_CID_MPEG_VIDEO_DEC_DISPLAY_DELAY:
725 ctx->display_delay = ctrl->val;
726 break;
727 case V4L2_CID_MPEG_MFC51_VIDEO_DECODER_H264_DISPLAY_DELAY_ENABLE:
728 case V4L2_CID_MPEG_VIDEO_DEC_DISPLAY_DELAY_ENABLE:
729 ctx->display_delay_enable = ctrl->val;
730 break;
731 case V4L2_CID_MPEG_VIDEO_DECODER_MPEG4_DEBLOCK_FILTER:
732 ctx->loop_filter_mpeg4 = ctrl->val;
733 break;
734 case V4L2_CID_MPEG_VIDEO_DECODER_SLICE_INTERFACE:
735 ctx->slice_interface = ctrl->val;
736 break;
737 default:
738 mfc_err("Invalid control 0x%08x\n", ctrl->id);
739 return -EINVAL;
740 }
741 return 0;
742 }
743
s5p_mfc_dec_g_v_ctrl(struct v4l2_ctrl * ctrl)744 static int s5p_mfc_dec_g_v_ctrl(struct v4l2_ctrl *ctrl)
745 {
746 struct s5p_mfc_ctx *ctx = ctrl_to_ctx(ctrl);
747 struct s5p_mfc_dev *dev = ctx->dev;
748
749 switch (ctrl->id) {
750 case V4L2_CID_MIN_BUFFERS_FOR_CAPTURE:
751 if (ctx->state >= MFCINST_HEAD_PARSED &&
752 ctx->state < MFCINST_ABORT) {
753 ctrl->val = ctx->pb_count;
754 break;
755 } else if (ctx->state != MFCINST_INIT &&
756 ctx->state != MFCINST_RES_CHANGE_END) {
757 v4l2_err(&dev->v4l2_dev, "Decoding not initialised\n");
758 return -EINVAL;
759 }
760 /* Should wait for the header to be parsed */
761 s5p_mfc_wait_for_done_ctx(ctx,
762 S5P_MFC_R2H_CMD_SEQ_DONE_RET, 0);
763 if (ctx->state >= MFCINST_HEAD_PARSED &&
764 ctx->state < MFCINST_ABORT) {
765 ctrl->val = ctx->pb_count;
766 } else {
767 v4l2_err(&dev->v4l2_dev, "Decoding not initialised\n");
768 return -EINVAL;
769 }
770 break;
771 }
772 return 0;
773 }
774
775
776 static const struct v4l2_ctrl_ops s5p_mfc_dec_ctrl_ops = {
777 .s_ctrl = s5p_mfc_dec_s_ctrl,
778 .g_volatile_ctrl = s5p_mfc_dec_g_v_ctrl,
779 };
780
781 /* Get compose information */
vidioc_g_selection(struct file * file,void * priv,struct v4l2_selection * s)782 static int vidioc_g_selection(struct file *file, void *priv,
783 struct v4l2_selection *s)
784 {
785 struct s5p_mfc_ctx *ctx = fh_to_ctx(priv);
786 struct s5p_mfc_dev *dev = ctx->dev;
787 u32 left, right, top, bottom;
788 u32 width, height;
789
790 if (s->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
791 return -EINVAL;
792
793 if (ctx->state != MFCINST_HEAD_PARSED &&
794 ctx->state != MFCINST_RUNNING &&
795 ctx->state != MFCINST_FINISHING &&
796 ctx->state != MFCINST_FINISHED) {
797 mfc_err("Can not get compose information\n");
798 return -EINVAL;
799 }
800 if (ctx->src_fmt->fourcc == V4L2_PIX_FMT_H264) {
801 left = s5p_mfc_hw_call(dev->mfc_ops, get_crop_info_h, ctx);
802 right = left >> S5P_FIMV_SHARED_CROP_RIGHT_SHIFT;
803 left = left & S5P_FIMV_SHARED_CROP_LEFT_MASK;
804 top = s5p_mfc_hw_call(dev->mfc_ops, get_crop_info_v, ctx);
805 bottom = top >> S5P_FIMV_SHARED_CROP_BOTTOM_SHIFT;
806 top = top & S5P_FIMV_SHARED_CROP_TOP_MASK;
807 width = ctx->img_width - left - right;
808 height = ctx->img_height - top - bottom;
809 mfc_debug(2, "Composing info [h264]: l=%d t=%d w=%d h=%d (r=%d b=%d fw=%d fh=%d\n",
810 left, top, s->r.width, s->r.height, right, bottom,
811 ctx->buf_width, ctx->buf_height);
812 } else {
813 left = 0;
814 top = 0;
815 width = ctx->img_width;
816 height = ctx->img_height;
817 mfc_debug(2, "Composing info: w=%d h=%d fw=%d fh=%d\n",
818 s->r.width, s->r.height, ctx->buf_width,
819 ctx->buf_height);
820 }
821
822 switch (s->target) {
823 case V4L2_SEL_TGT_COMPOSE:
824 case V4L2_SEL_TGT_COMPOSE_DEFAULT:
825 case V4L2_SEL_TGT_COMPOSE_BOUNDS:
826 s->r.left = left;
827 s->r.top = top;
828 s->r.width = width;
829 s->r.height = height;
830 break;
831 default:
832 return -EINVAL;
833 }
834 return 0;
835 }
836
vidioc_decoder_cmd(struct file * file,void * priv,struct v4l2_decoder_cmd * cmd)837 static int vidioc_decoder_cmd(struct file *file, void *priv,
838 struct v4l2_decoder_cmd *cmd)
839 {
840 struct s5p_mfc_ctx *ctx = fh_to_ctx(priv);
841 struct s5p_mfc_dev *dev = ctx->dev;
842 struct s5p_mfc_buf *buf;
843 unsigned long flags;
844
845 switch (cmd->cmd) {
846 case V4L2_DEC_CMD_STOP:
847 if (cmd->flags != 0)
848 return -EINVAL;
849
850 if (!vb2_is_streaming(&ctx->vq_src))
851 return -EINVAL;
852
853 spin_lock_irqsave(&dev->irqlock, flags);
854 if (list_empty(&ctx->src_queue)) {
855 mfc_err("EOS: empty src queue, entering finishing state");
856 ctx->state = MFCINST_FINISHING;
857 if (s5p_mfc_ctx_ready(ctx))
858 set_work_bit_irqsave(ctx);
859 spin_unlock_irqrestore(&dev->irqlock, flags);
860 s5p_mfc_hw_call(dev->mfc_ops, try_run, dev);
861 } else {
862 mfc_err("EOS: marking last buffer of stream");
863 buf = list_entry(ctx->src_queue.prev,
864 struct s5p_mfc_buf, list);
865 if (buf->flags & MFC_BUF_FLAG_USED)
866 ctx->state = MFCINST_FINISHING;
867 else
868 buf->flags |= MFC_BUF_FLAG_EOS;
869 spin_unlock_irqrestore(&dev->irqlock, flags);
870 }
871 break;
872 default:
873 return -EINVAL;
874 }
875 return 0;
876 }
877
vidioc_subscribe_event(struct v4l2_fh * fh,const struct v4l2_event_subscription * sub)878 static int vidioc_subscribe_event(struct v4l2_fh *fh,
879 const struct v4l2_event_subscription *sub)
880 {
881 switch (sub->type) {
882 case V4L2_EVENT_EOS:
883 return v4l2_event_subscribe(fh, sub, 2, NULL);
884 case V4L2_EVENT_SOURCE_CHANGE:
885 return v4l2_src_change_event_subscribe(fh, sub);
886 default:
887 return -EINVAL;
888 }
889 }
890
891
892 /* v4l2_ioctl_ops */
893 static const struct v4l2_ioctl_ops s5p_mfc_dec_ioctl_ops = {
894 .vidioc_querycap = vidioc_querycap,
895 .vidioc_enum_fmt_vid_cap = vidioc_enum_fmt_vid_cap,
896 .vidioc_enum_fmt_vid_out = vidioc_enum_fmt_vid_out,
897 .vidioc_g_fmt_vid_cap_mplane = vidioc_g_fmt,
898 .vidioc_g_fmt_vid_out_mplane = vidioc_g_fmt,
899 .vidioc_try_fmt_vid_cap_mplane = vidioc_try_fmt,
900 .vidioc_try_fmt_vid_out_mplane = vidioc_try_fmt,
901 .vidioc_s_fmt_vid_cap_mplane = vidioc_s_fmt,
902 .vidioc_s_fmt_vid_out_mplane = vidioc_s_fmt,
903 .vidioc_reqbufs = vidioc_reqbufs,
904 .vidioc_querybuf = vidioc_querybuf,
905 .vidioc_qbuf = vidioc_qbuf,
906 .vidioc_dqbuf = vidioc_dqbuf,
907 .vidioc_expbuf = vidioc_expbuf,
908 .vidioc_streamon = vidioc_streamon,
909 .vidioc_streamoff = vidioc_streamoff,
910 .vidioc_g_selection = vidioc_g_selection,
911 .vidioc_decoder_cmd = vidioc_decoder_cmd,
912 .vidioc_subscribe_event = vidioc_subscribe_event,
913 .vidioc_unsubscribe_event = v4l2_event_unsubscribe,
914 };
915
s5p_mfc_queue_setup(struct vb2_queue * vq,unsigned int * buf_count,unsigned int * plane_count,unsigned int psize[],struct device * alloc_devs[])916 static int s5p_mfc_queue_setup(struct vb2_queue *vq,
917 unsigned int *buf_count,
918 unsigned int *plane_count, unsigned int psize[],
919 struct device *alloc_devs[])
920 {
921 struct s5p_mfc_ctx *ctx = fh_to_ctx(vq->drv_priv);
922 struct s5p_mfc_dev *dev = ctx->dev;
923
924 /* Video output for decoding (source)
925 * this can be set after getting an instance */
926 if (ctx->state == MFCINST_INIT &&
927 vq->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
928 /* A single plane is required for input */
929 *plane_count = 1;
930 if (*buf_count < 1)
931 *buf_count = 1;
932 if (*buf_count > MFC_MAX_BUFFERS)
933 *buf_count = MFC_MAX_BUFFERS;
934 /* Video capture for decoding (destination)
935 * this can be set after the header was parsed */
936 } else if (ctx->state == MFCINST_HEAD_PARSED &&
937 vq->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
938 /* Output plane count is 2 - one for Y and one for CbCr */
939 *plane_count = 2;
940 /* Setup buffer count */
941 if (*buf_count < ctx->pb_count)
942 *buf_count = ctx->pb_count;
943 if (*buf_count > ctx->pb_count + MFC_MAX_EXTRA_DPB)
944 *buf_count = ctx->pb_count + MFC_MAX_EXTRA_DPB;
945 if (*buf_count > MFC_MAX_BUFFERS)
946 *buf_count = MFC_MAX_BUFFERS;
947 } else {
948 mfc_err("State seems invalid. State = %d, vq->type = %d\n",
949 ctx->state, vq->type);
950 return -EINVAL;
951 }
952 mfc_debug(2, "Buffer count=%d, plane count=%d\n",
953 *buf_count, *plane_count);
954 if (ctx->state == MFCINST_HEAD_PARSED &&
955 vq->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
956 psize[0] = ctx->luma_size;
957 psize[1] = ctx->chroma_size;
958
959 if (IS_MFCV6_PLUS(dev))
960 alloc_devs[0] = ctx->dev->mem_dev[BANK_L_CTX];
961 else
962 alloc_devs[0] = ctx->dev->mem_dev[BANK_R_CTX];
963 alloc_devs[1] = ctx->dev->mem_dev[BANK_L_CTX];
964 } else if (vq->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE &&
965 ctx->state == MFCINST_INIT) {
966 psize[0] = ctx->dec_src_buf_size;
967 alloc_devs[0] = ctx->dev->mem_dev[BANK_L_CTX];
968 } else {
969 mfc_err("This video node is dedicated to decoding. Decoding not initialized\n");
970 return -EINVAL;
971 }
972 return 0;
973 }
974
s5p_mfc_buf_init(struct vb2_buffer * vb)975 static int s5p_mfc_buf_init(struct vb2_buffer *vb)
976 {
977 struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
978 struct vb2_queue *vq = vb->vb2_queue;
979 struct s5p_mfc_ctx *ctx = fh_to_ctx(vq->drv_priv);
980 unsigned int i;
981
982 if (vq->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
983 if (ctx->capture_state == QUEUE_BUFS_MMAPED)
984 return 0;
985 for (i = 0; i < ctx->dst_fmt->num_planes; i++) {
986 if (IS_ERR_OR_NULL(ERR_PTR(
987 vb2_dma_contig_plane_dma_addr(vb, i)))) {
988 mfc_err("Plane mem not allocated\n");
989 return -EINVAL;
990 }
991 }
992 if (vb2_plane_size(vb, 0) < ctx->luma_size ||
993 vb2_plane_size(vb, 1) < ctx->chroma_size) {
994 mfc_err("Plane buffer (CAPTURE) is too small\n");
995 return -EINVAL;
996 }
997 i = vb->index;
998 ctx->dst_bufs[i].b = vbuf;
999 ctx->dst_bufs[i].cookie.raw.luma =
1000 vb2_dma_contig_plane_dma_addr(vb, 0);
1001 ctx->dst_bufs[i].cookie.raw.chroma =
1002 vb2_dma_contig_plane_dma_addr(vb, 1);
1003 ctx->dst_bufs_cnt++;
1004 } else if (vq->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
1005 if (IS_ERR_OR_NULL(ERR_PTR(
1006 vb2_dma_contig_plane_dma_addr(vb, 0)))) {
1007 mfc_err("Plane memory not allocated\n");
1008 return -EINVAL;
1009 }
1010 if (vb2_plane_size(vb, 0) < ctx->dec_src_buf_size) {
1011 mfc_err("Plane buffer (OUTPUT) is too small\n");
1012 return -EINVAL;
1013 }
1014
1015 i = vb->index;
1016 ctx->src_bufs[i].b = vbuf;
1017 ctx->src_bufs[i].cookie.stream =
1018 vb2_dma_contig_plane_dma_addr(vb, 0);
1019 ctx->src_bufs_cnt++;
1020 } else {
1021 mfc_err("s5p_mfc_buf_init: unknown queue type\n");
1022 return -EINVAL;
1023 }
1024 return 0;
1025 }
1026
s5p_mfc_start_streaming(struct vb2_queue * q,unsigned int count)1027 static int s5p_mfc_start_streaming(struct vb2_queue *q, unsigned int count)
1028 {
1029 struct s5p_mfc_ctx *ctx = fh_to_ctx(q->drv_priv);
1030 struct s5p_mfc_dev *dev = ctx->dev;
1031
1032 v4l2_ctrl_handler_setup(&ctx->ctrl_handler);
1033 if (ctx->state == MFCINST_FINISHING ||
1034 ctx->state == MFCINST_FINISHED)
1035 ctx->state = MFCINST_RUNNING;
1036 /* If context is ready then dev = work->data;schedule it to run */
1037 if (s5p_mfc_ctx_ready(ctx))
1038 set_work_bit_irqsave(ctx);
1039 s5p_mfc_hw_call(dev->mfc_ops, try_run, dev);
1040 return 0;
1041 }
1042
s5p_mfc_stop_streaming(struct vb2_queue * q)1043 static void s5p_mfc_stop_streaming(struct vb2_queue *q)
1044 {
1045 unsigned long flags;
1046 struct s5p_mfc_ctx *ctx = fh_to_ctx(q->drv_priv);
1047 struct s5p_mfc_dev *dev = ctx->dev;
1048 int aborted = 0;
1049
1050 spin_lock_irqsave(&dev->irqlock, flags);
1051 if ((ctx->state == MFCINST_FINISHING ||
1052 ctx->state == MFCINST_RUNNING) &&
1053 dev->curr_ctx == ctx->num && dev->hw_lock) {
1054 ctx->state = MFCINST_ABORT;
1055 spin_unlock_irqrestore(&dev->irqlock, flags);
1056 s5p_mfc_wait_for_done_ctx(ctx,
1057 S5P_MFC_R2H_CMD_FRAME_DONE_RET, 0);
1058 aborted = 1;
1059 spin_lock_irqsave(&dev->irqlock, flags);
1060 }
1061 if (q->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
1062 s5p_mfc_cleanup_queue(&ctx->dst_queue, &ctx->vq_dst);
1063 INIT_LIST_HEAD(&ctx->dst_queue);
1064 ctx->dst_queue_cnt = 0;
1065 ctx->dpb_flush_flag = 1;
1066 ctx->dec_dst_flag = 0;
1067 if (IS_MFCV6_PLUS(dev) && (ctx->state == MFCINST_RUNNING)) {
1068 ctx->state = MFCINST_FLUSH;
1069 set_work_bit_irqsave(ctx);
1070 s5p_mfc_hw_call(dev->mfc_ops, try_run, dev);
1071 spin_unlock_irqrestore(&dev->irqlock, flags);
1072 if (s5p_mfc_wait_for_done_ctx(ctx,
1073 S5P_MFC_R2H_CMD_DPB_FLUSH_RET, 0))
1074 mfc_err("Err flushing buffers\n");
1075 spin_lock_irqsave(&dev->irqlock, flags);
1076 }
1077 } else if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
1078 s5p_mfc_cleanup_queue(&ctx->src_queue, &ctx->vq_src);
1079 INIT_LIST_HEAD(&ctx->src_queue);
1080 ctx->src_queue_cnt = 0;
1081 }
1082 if (aborted)
1083 ctx->state = MFCINST_RUNNING;
1084 spin_unlock_irqrestore(&dev->irqlock, flags);
1085 }
1086
1087
s5p_mfc_buf_queue(struct vb2_buffer * vb)1088 static void s5p_mfc_buf_queue(struct vb2_buffer *vb)
1089 {
1090 struct vb2_queue *vq = vb->vb2_queue;
1091 struct s5p_mfc_ctx *ctx = fh_to_ctx(vq->drv_priv);
1092 struct s5p_mfc_dev *dev = ctx->dev;
1093 unsigned long flags;
1094 struct s5p_mfc_buf *mfc_buf;
1095
1096 if (vq->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
1097 mfc_buf = &ctx->src_bufs[vb->index];
1098 mfc_buf->flags &= ~MFC_BUF_FLAG_USED;
1099 spin_lock_irqsave(&dev->irqlock, flags);
1100 list_add_tail(&mfc_buf->list, &ctx->src_queue);
1101 ctx->src_queue_cnt++;
1102 spin_unlock_irqrestore(&dev->irqlock, flags);
1103 } else if (vq->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
1104 mfc_buf = &ctx->dst_bufs[vb->index];
1105 mfc_buf->flags &= ~MFC_BUF_FLAG_USED;
1106 /* Mark destination as available for use by MFC */
1107 spin_lock_irqsave(&dev->irqlock, flags);
1108 set_bit(vb->index, &ctx->dec_dst_flag);
1109 list_add_tail(&mfc_buf->list, &ctx->dst_queue);
1110 ctx->dst_queue_cnt++;
1111 spin_unlock_irqrestore(&dev->irqlock, flags);
1112 } else {
1113 mfc_err("Unsupported buffer type (%d)\n", vq->type);
1114 }
1115 if (s5p_mfc_ctx_ready(ctx))
1116 set_work_bit_irqsave(ctx);
1117 s5p_mfc_hw_call(dev->mfc_ops, try_run, dev);
1118 }
1119
1120 static struct vb2_ops s5p_mfc_dec_qops = {
1121 .queue_setup = s5p_mfc_queue_setup,
1122 .wait_prepare = vb2_ops_wait_prepare,
1123 .wait_finish = vb2_ops_wait_finish,
1124 .buf_init = s5p_mfc_buf_init,
1125 .start_streaming = s5p_mfc_start_streaming,
1126 .stop_streaming = s5p_mfc_stop_streaming,
1127 .buf_queue = s5p_mfc_buf_queue,
1128 };
1129
get_dec_codec_ops(void)1130 const struct s5p_mfc_codec_ops *get_dec_codec_ops(void)
1131 {
1132 return &decoder_codec_ops;
1133 }
1134
get_dec_queue_ops(void)1135 struct vb2_ops *get_dec_queue_ops(void)
1136 {
1137 return &s5p_mfc_dec_qops;
1138 }
1139
get_dec_v4l2_ioctl_ops(void)1140 const struct v4l2_ioctl_ops *get_dec_v4l2_ioctl_ops(void)
1141 {
1142 return &s5p_mfc_dec_ioctl_ops;
1143 }
1144
1145 #define IS_MFC51_PRIV(x) ((V4L2_CTRL_ID2WHICH(x) == V4L2_CTRL_CLASS_CODEC) \
1146 && V4L2_CTRL_DRIVER_PRIV(x))
1147
s5p_mfc_dec_ctrls_setup(struct s5p_mfc_ctx * ctx)1148 int s5p_mfc_dec_ctrls_setup(struct s5p_mfc_ctx *ctx)
1149 {
1150 struct v4l2_ctrl_config cfg;
1151 int i;
1152
1153 v4l2_ctrl_handler_init(&ctx->ctrl_handler, NUM_CTRLS);
1154 if (ctx->ctrl_handler.error) {
1155 mfc_err("v4l2_ctrl_handler_init failed\n");
1156 return ctx->ctrl_handler.error;
1157 }
1158
1159 for (i = 0; i < NUM_CTRLS; i++) {
1160 if (IS_MFC51_PRIV(controls[i].id)) {
1161 memset(&cfg, 0, sizeof(struct v4l2_ctrl_config));
1162 cfg.ops = &s5p_mfc_dec_ctrl_ops;
1163 cfg.id = controls[i].id;
1164 cfg.min = controls[i].minimum;
1165 cfg.max = controls[i].maximum;
1166 cfg.def = controls[i].default_value;
1167 cfg.name = controls[i].name;
1168 cfg.type = controls[i].type;
1169
1170 cfg.step = controls[i].step;
1171 cfg.menu_skip_mask = 0;
1172
1173 ctx->ctrls[i] = v4l2_ctrl_new_custom(&ctx->ctrl_handler,
1174 &cfg, NULL);
1175 } else {
1176 ctx->ctrls[i] = v4l2_ctrl_new_std(&ctx->ctrl_handler,
1177 &s5p_mfc_dec_ctrl_ops,
1178 controls[i].id, controls[i].minimum,
1179 controls[i].maximum, controls[i].step,
1180 controls[i].default_value);
1181 }
1182 if (ctx->ctrl_handler.error) {
1183 mfc_err("Adding control (%d) failed\n", i);
1184 return ctx->ctrl_handler.error;
1185 }
1186 if (controls[i].is_volatile && ctx->ctrls[i])
1187 ctx->ctrls[i]->flags |= V4L2_CTRL_FLAG_VOLATILE;
1188 }
1189 return 0;
1190 }
1191
s5p_mfc_dec_ctrls_delete(struct s5p_mfc_ctx * ctx)1192 void s5p_mfc_dec_ctrls_delete(struct s5p_mfc_ctx *ctx)
1193 {
1194 int i;
1195
1196 v4l2_ctrl_handler_free(&ctx->ctrl_handler);
1197 for (i = 0; i < NUM_CTRLS; i++)
1198 ctx->ctrls[i] = NULL;
1199 }
1200
s5p_mfc_dec_init(struct s5p_mfc_ctx * ctx)1201 void s5p_mfc_dec_init(struct s5p_mfc_ctx *ctx)
1202 {
1203 struct v4l2_format f;
1204 f.fmt.pix_mp.pixelformat = V4L2_PIX_FMT_H264;
1205 ctx->src_fmt = find_format(&f, MFC_FMT_DEC);
1206 if (IS_MFCV8_PLUS(ctx->dev))
1207 f.fmt.pix_mp.pixelformat = V4L2_PIX_FMT_NV12M;
1208 else if (IS_MFCV6_PLUS(ctx->dev))
1209 f.fmt.pix_mp.pixelformat = V4L2_PIX_FMT_NV12MT_16X16;
1210 else
1211 f.fmt.pix_mp.pixelformat = V4L2_PIX_FMT_NV12MT;
1212 ctx->dst_fmt = find_format(&f, MFC_FMT_RAW);
1213 mfc_debug(2, "Default src_fmt is %p, dest_fmt is %p\n",
1214 ctx->src_fmt, ctx->dst_fmt);
1215 }
1216
1217