1 /*
2 * linux/drivers/media/platform/s5p-mfc/s5p_mfc_dec.c
3 *
4 * Copyright (C) 2011 Samsung Electronics Co., Ltd.
5 * http://www.samsung.com/
6 * Kamil Debski, <k.debski@samsung.com>
7 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
12 */
13
14 #include <linux/clk.h>
15 #include <linux/interrupt.h>
16 #include <linux/io.h>
17 #include <linux/module.h>
18 #include <linux/platform_device.h>
19 #include <linux/sched.h>
20 #include <linux/slab.h>
21 #include <linux/videodev2.h>
22 #include <linux/workqueue.h>
23 #include <media/v4l2-ctrls.h>
24 #include <media/v4l2-event.h>
25 #include <media/videobuf2-v4l2.h>
26 #include "s5p_mfc_common.h"
27 #include "s5p_mfc_ctrl.h"
28 #include "s5p_mfc_debug.h"
29 #include "s5p_mfc_dec.h"
30 #include "s5p_mfc_intr.h"
31 #include "s5p_mfc_opr.h"
32 #include "s5p_mfc_pm.h"
33
34 static struct s5p_mfc_fmt formats[] = {
35 {
36 .name = "4:2:0 2 Planes 16x16 Tiles",
37 .fourcc = V4L2_PIX_FMT_NV12MT_16X16,
38 .codec_mode = S5P_MFC_CODEC_NONE,
39 .type = MFC_FMT_RAW,
40 .num_planes = 2,
41 .versions = MFC_V6_BIT | MFC_V7_BIT,
42 },
43 {
44 .name = "4:2:0 2 Planes 64x32 Tiles",
45 .fourcc = V4L2_PIX_FMT_NV12MT,
46 .codec_mode = S5P_MFC_CODEC_NONE,
47 .type = MFC_FMT_RAW,
48 .num_planes = 2,
49 .versions = MFC_V5_BIT,
50 },
51 {
52 .name = "4:2:0 2 Planes Y/CbCr",
53 .fourcc = V4L2_PIX_FMT_NV12M,
54 .codec_mode = S5P_MFC_CODEC_NONE,
55 .type = MFC_FMT_RAW,
56 .num_planes = 2,
57 .versions = MFC_V6_BIT | MFC_V7_BIT | MFC_V8_BIT,
58 },
59 {
60 .name = "4:2:0 2 Planes Y/CrCb",
61 .fourcc = V4L2_PIX_FMT_NV21M,
62 .codec_mode = S5P_MFC_CODEC_NONE,
63 .type = MFC_FMT_RAW,
64 .num_planes = 2,
65 .versions = MFC_V6_BIT | MFC_V7_BIT | MFC_V8_BIT,
66 },
67 {
68 .name = "H264 Encoded Stream",
69 .fourcc = V4L2_PIX_FMT_H264,
70 .codec_mode = S5P_MFC_CODEC_H264_DEC,
71 .type = MFC_FMT_DEC,
72 .num_planes = 1,
73 .versions = MFC_V5_BIT | MFC_V6_BIT | MFC_V7_BIT |
74 MFC_V8_BIT,
75 },
76 {
77 .name = "H264/MVC Encoded Stream",
78 .fourcc = V4L2_PIX_FMT_H264_MVC,
79 .codec_mode = S5P_MFC_CODEC_H264_MVC_DEC,
80 .type = MFC_FMT_DEC,
81 .num_planes = 1,
82 .versions = MFC_V6_BIT | MFC_V7_BIT | MFC_V8_BIT,
83 },
84 {
85 .name = "H263 Encoded Stream",
86 .fourcc = V4L2_PIX_FMT_H263,
87 .codec_mode = S5P_MFC_CODEC_H263_DEC,
88 .type = MFC_FMT_DEC,
89 .num_planes = 1,
90 .versions = MFC_V5_BIT | MFC_V6_BIT | MFC_V7_BIT |
91 MFC_V8_BIT,
92 },
93 {
94 .name = "MPEG1 Encoded Stream",
95 .fourcc = V4L2_PIX_FMT_MPEG1,
96 .codec_mode = S5P_MFC_CODEC_MPEG2_DEC,
97 .type = MFC_FMT_DEC,
98 .num_planes = 1,
99 .versions = MFC_V5_BIT | MFC_V6_BIT | MFC_V7_BIT |
100 MFC_V8_BIT,
101 },
102 {
103 .name = "MPEG2 Encoded Stream",
104 .fourcc = V4L2_PIX_FMT_MPEG2,
105 .codec_mode = S5P_MFC_CODEC_MPEG2_DEC,
106 .type = MFC_FMT_DEC,
107 .num_planes = 1,
108 .versions = MFC_V5_BIT | MFC_V6_BIT | MFC_V7_BIT |
109 MFC_V8_BIT,
110 },
111 {
112 .name = "MPEG4 Encoded Stream",
113 .fourcc = V4L2_PIX_FMT_MPEG4,
114 .codec_mode = S5P_MFC_CODEC_MPEG4_DEC,
115 .type = MFC_FMT_DEC,
116 .num_planes = 1,
117 .versions = MFC_V5_BIT | MFC_V6_BIT | MFC_V7_BIT |
118 MFC_V8_BIT,
119 },
120 {
121 .name = "XviD Encoded Stream",
122 .fourcc = V4L2_PIX_FMT_XVID,
123 .codec_mode = S5P_MFC_CODEC_MPEG4_DEC,
124 .type = MFC_FMT_DEC,
125 .num_planes = 1,
126 .versions = MFC_V5_BIT | MFC_V6_BIT | MFC_V7_BIT |
127 MFC_V8_BIT,
128 },
129 {
130 .name = "VC1 Encoded Stream",
131 .fourcc = V4L2_PIX_FMT_VC1_ANNEX_G,
132 .codec_mode = S5P_MFC_CODEC_VC1_DEC,
133 .type = MFC_FMT_DEC,
134 .num_planes = 1,
135 .versions = MFC_V5_BIT | MFC_V6_BIT | MFC_V7_BIT |
136 MFC_V8_BIT,
137 },
138 {
139 .name = "VC1 RCV Encoded Stream",
140 .fourcc = V4L2_PIX_FMT_VC1_ANNEX_L,
141 .codec_mode = S5P_MFC_CODEC_VC1RCV_DEC,
142 .type = MFC_FMT_DEC,
143 .num_planes = 1,
144 .versions = MFC_V5_BIT | MFC_V6_BIT | MFC_V7_BIT |
145 MFC_V8_BIT,
146 },
147 {
148 .name = "VP8 Encoded Stream",
149 .fourcc = V4L2_PIX_FMT_VP8,
150 .codec_mode = S5P_MFC_CODEC_VP8_DEC,
151 .type = MFC_FMT_DEC,
152 .num_planes = 1,
153 .versions = MFC_V6_BIT | MFC_V7_BIT | MFC_V8_BIT,
154 },
155 };
156
157 #define NUM_FORMATS ARRAY_SIZE(formats)
158
159 /* Find selected format description */
find_format(struct v4l2_format * f,unsigned int t)160 static struct s5p_mfc_fmt *find_format(struct v4l2_format *f, unsigned int t)
161 {
162 unsigned int i;
163
164 for (i = 0; i < NUM_FORMATS; i++) {
165 if (formats[i].fourcc == f->fmt.pix_mp.pixelformat &&
166 formats[i].type == t)
167 return &formats[i];
168 }
169 return NULL;
170 }
171
172 static struct mfc_control controls[] = {
173 {
174 .id = V4L2_CID_MPEG_MFC51_VIDEO_DECODER_H264_DISPLAY_DELAY,
175 .type = V4L2_CTRL_TYPE_INTEGER,
176 .name = "H264 Display Delay",
177 .minimum = 0,
178 .maximum = 16383,
179 .step = 1,
180 .default_value = 0,
181 },
182 {
183 .id = V4L2_CID_MPEG_MFC51_VIDEO_DECODER_H264_DISPLAY_DELAY_ENABLE,
184 .type = V4L2_CTRL_TYPE_BOOLEAN,
185 .name = "H264 Display Delay Enable",
186 .minimum = 0,
187 .maximum = 1,
188 .step = 1,
189 .default_value = 0,
190 },
191 {
192 .id = V4L2_CID_MPEG_VIDEO_DECODER_MPEG4_DEBLOCK_FILTER,
193 .type = V4L2_CTRL_TYPE_BOOLEAN,
194 .name = "Mpeg4 Loop Filter Enable",
195 .minimum = 0,
196 .maximum = 1,
197 .step = 1,
198 .default_value = 0,
199 },
200 {
201 .id = V4L2_CID_MPEG_VIDEO_DECODER_SLICE_INTERFACE,
202 .type = V4L2_CTRL_TYPE_BOOLEAN,
203 .name = "Slice Interface Enable",
204 .minimum = 0,
205 .maximum = 1,
206 .step = 1,
207 .default_value = 0,
208 },
209 {
210 .id = V4L2_CID_MIN_BUFFERS_FOR_CAPTURE,
211 .type = V4L2_CTRL_TYPE_INTEGER,
212 .name = "Minimum number of cap bufs",
213 .minimum = 1,
214 .maximum = 32,
215 .step = 1,
216 .default_value = 1,
217 .is_volatile = 1,
218 },
219 };
220
221 #define NUM_CTRLS ARRAY_SIZE(controls)
222
223 /* Check whether a context should be run on hardware */
s5p_mfc_ctx_ready(struct s5p_mfc_ctx * ctx)224 static int s5p_mfc_ctx_ready(struct s5p_mfc_ctx *ctx)
225 {
226 /* Context is to parse header */
227 if (ctx->src_queue_cnt >= 1 && ctx->state == MFCINST_GOT_INST)
228 return 1;
229 /* Context is to decode a frame */
230 if (ctx->src_queue_cnt >= 1 &&
231 ctx->state == MFCINST_RUNNING &&
232 ctx->dst_queue_cnt >= ctx->pb_count)
233 return 1;
234 /* Context is to return last frame */
235 if (ctx->state == MFCINST_FINISHING &&
236 ctx->dst_queue_cnt >= ctx->pb_count)
237 return 1;
238 /* Context is to set buffers */
239 if (ctx->src_queue_cnt >= 1 &&
240 ctx->state == MFCINST_HEAD_PARSED &&
241 ctx->capture_state == QUEUE_BUFS_MMAPED)
242 return 1;
243 /* Resolution change */
244 if ((ctx->state == MFCINST_RES_CHANGE_INIT ||
245 ctx->state == MFCINST_RES_CHANGE_FLUSH) &&
246 ctx->dst_queue_cnt >= ctx->pb_count)
247 return 1;
248 if (ctx->state == MFCINST_RES_CHANGE_END &&
249 ctx->src_queue_cnt >= 1)
250 return 1;
251 mfc_debug(2, "ctx is not ready\n");
252 return 0;
253 }
254
255 static struct s5p_mfc_codec_ops decoder_codec_ops = {
256 .pre_seq_start = NULL,
257 .post_seq_start = NULL,
258 .pre_frame_start = NULL,
259 .post_frame_start = NULL,
260 };
261
262 /* Query capabilities of the device */
vidioc_querycap(struct file * file,void * priv,struct v4l2_capability * cap)263 static int vidioc_querycap(struct file *file, void *priv,
264 struct v4l2_capability *cap)
265 {
266 struct s5p_mfc_dev *dev = video_drvdata(file);
267
268 strncpy(cap->driver, dev->plat_dev->name, sizeof(cap->driver) - 1);
269 strncpy(cap->card, dev->plat_dev->name, sizeof(cap->card) - 1);
270 cap->bus_info[0] = 0;
271 /*
272 * This is only a mem-to-mem video device. The capture and output
273 * device capability flags are left only for backward compatibility
274 * and are scheduled for removal.
275 */
276 cap->device_caps = V4L2_CAP_VIDEO_M2M_MPLANE | V4L2_CAP_STREAMING;
277 cap->capabilities = cap->device_caps | V4L2_CAP_DEVICE_CAPS;
278 return 0;
279 }
280
281 /* Enumerate format */
vidioc_enum_fmt(struct file * file,struct v4l2_fmtdesc * f,bool out)282 static int vidioc_enum_fmt(struct file *file, struct v4l2_fmtdesc *f,
283 bool out)
284 {
285 struct s5p_mfc_dev *dev = video_drvdata(file);
286 struct s5p_mfc_fmt *fmt;
287 int i, j = 0;
288
289 for (i = 0; i < ARRAY_SIZE(formats); ++i) {
290 if (out && formats[i].type != MFC_FMT_DEC)
291 continue;
292 else if (!out && formats[i].type != MFC_FMT_RAW)
293 continue;
294 else if ((dev->variant->version_bit & formats[i].versions) == 0)
295 continue;
296
297 if (j == f->index)
298 break;
299 ++j;
300 }
301 if (i == ARRAY_SIZE(formats))
302 return -EINVAL;
303 fmt = &formats[i];
304 strlcpy(f->description, fmt->name, sizeof(f->description));
305 f->pixelformat = fmt->fourcc;
306 return 0;
307 }
308
vidioc_enum_fmt_vid_cap_mplane(struct file * file,void * pirv,struct v4l2_fmtdesc * f)309 static int vidioc_enum_fmt_vid_cap_mplane(struct file *file, void *pirv,
310 struct v4l2_fmtdesc *f)
311 {
312 return vidioc_enum_fmt(file, f, false);
313 }
314
vidioc_enum_fmt_vid_out_mplane(struct file * file,void * priv,struct v4l2_fmtdesc * f)315 static int vidioc_enum_fmt_vid_out_mplane(struct file *file, void *priv,
316 struct v4l2_fmtdesc *f)
317 {
318 return vidioc_enum_fmt(file, f, true);
319 }
320
321 /* Get format */
vidioc_g_fmt(struct file * file,void * priv,struct v4l2_format * f)322 static int vidioc_g_fmt(struct file *file, void *priv, struct v4l2_format *f)
323 {
324 struct s5p_mfc_ctx *ctx = fh_to_ctx(priv);
325 struct v4l2_pix_format_mplane *pix_mp;
326
327 mfc_debug_enter();
328 pix_mp = &f->fmt.pix_mp;
329 if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE &&
330 (ctx->state == MFCINST_GOT_INST || ctx->state ==
331 MFCINST_RES_CHANGE_END)) {
332 /* If the MFC is parsing the header,
333 * so wait until it is finished */
334 s5p_mfc_wait_for_done_ctx(ctx, S5P_MFC_R2H_CMD_SEQ_DONE_RET,
335 0);
336 }
337 if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE &&
338 ctx->state >= MFCINST_HEAD_PARSED &&
339 ctx->state < MFCINST_ABORT) {
340 /* This is run on CAPTURE (decode output) */
341 /* Width and height are set to the dimensions
342 of the movie, the buffer is bigger and
343 further processing stages should crop to this
344 rectangle. */
345 pix_mp->width = ctx->buf_width;
346 pix_mp->height = ctx->buf_height;
347 pix_mp->field = V4L2_FIELD_NONE;
348 pix_mp->num_planes = 2;
349 /* Set pixelformat to the format in which MFC
350 outputs the decoded frame */
351 pix_mp->pixelformat = ctx->dst_fmt->fourcc;
352 pix_mp->plane_fmt[0].bytesperline = ctx->buf_width;
353 pix_mp->plane_fmt[0].sizeimage = ctx->luma_size;
354 pix_mp->plane_fmt[1].bytesperline = ctx->buf_width;
355 pix_mp->plane_fmt[1].sizeimage = ctx->chroma_size;
356 } else if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
357 /* This is run on OUTPUT
358 The buffer contains compressed image
359 so width and height have no meaning */
360 pix_mp->width = 0;
361 pix_mp->height = 0;
362 pix_mp->field = V4L2_FIELD_NONE;
363 pix_mp->plane_fmt[0].bytesperline = ctx->dec_src_buf_size;
364 pix_mp->plane_fmt[0].sizeimage = ctx->dec_src_buf_size;
365 pix_mp->pixelformat = ctx->src_fmt->fourcc;
366 pix_mp->num_planes = ctx->src_fmt->num_planes;
367 } else {
368 mfc_err("Format could not be read\n");
369 mfc_debug(2, "%s-- with error\n", __func__);
370 return -EINVAL;
371 }
372 mfc_debug_leave();
373 return 0;
374 }
375
376 /* Try format */
vidioc_try_fmt(struct file * file,void * priv,struct v4l2_format * f)377 static int vidioc_try_fmt(struct file *file, void *priv, struct v4l2_format *f)
378 {
379 struct s5p_mfc_dev *dev = video_drvdata(file);
380 struct s5p_mfc_fmt *fmt;
381
382 mfc_debug(2, "Type is %d\n", f->type);
383 if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
384 fmt = find_format(f, MFC_FMT_DEC);
385 if (!fmt) {
386 mfc_err("Unsupported format for source.\n");
387 return -EINVAL;
388 }
389 if (fmt->codec_mode == S5P_FIMV_CODEC_NONE) {
390 mfc_err("Unknown codec\n");
391 return -EINVAL;
392 }
393 if ((dev->variant->version_bit & fmt->versions) == 0) {
394 mfc_err("Unsupported format by this MFC version.\n");
395 return -EINVAL;
396 }
397 } else if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
398 fmt = find_format(f, MFC_FMT_RAW);
399 if (!fmt) {
400 mfc_err("Unsupported format for destination.\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 }
408
409 return 0;
410 }
411
412 /* Set format */
vidioc_s_fmt(struct file * file,void * priv,struct v4l2_format * f)413 static int vidioc_s_fmt(struct file *file, void *priv, struct v4l2_format *f)
414 {
415 struct s5p_mfc_dev *dev = video_drvdata(file);
416 struct s5p_mfc_ctx *ctx = fh_to_ctx(priv);
417 int ret = 0;
418 struct v4l2_pix_format_mplane *pix_mp;
419 struct s5p_mfc_buf_size *buf_size = dev->variant->buf_size;
420
421 mfc_debug_enter();
422 ret = vidioc_try_fmt(file, priv, f);
423 pix_mp = &f->fmt.pix_mp;
424 if (ret)
425 return ret;
426 if (ctx->vq_src.streaming || ctx->vq_dst.streaming) {
427 v4l2_err(&dev->v4l2_dev, "%s queue busy\n", __func__);
428 ret = -EBUSY;
429 goto out;
430 }
431 if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
432 /* dst_fmt is validated by call to vidioc_try_fmt */
433 ctx->dst_fmt = find_format(f, MFC_FMT_RAW);
434 ret = 0;
435 goto out;
436 } else if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
437 /* src_fmt is validated by call to vidioc_try_fmt */
438 ctx->src_fmt = find_format(f, MFC_FMT_DEC);
439 ctx->codec_mode = ctx->src_fmt->codec_mode;
440 mfc_debug(2, "The codec number is: %d\n", ctx->codec_mode);
441 pix_mp->height = 0;
442 pix_mp->width = 0;
443 if (pix_mp->plane_fmt[0].sizeimage == 0)
444 pix_mp->plane_fmt[0].sizeimage = ctx->dec_src_buf_size =
445 DEF_CPB_SIZE;
446 else if (pix_mp->plane_fmt[0].sizeimage > buf_size->cpb)
447 ctx->dec_src_buf_size = buf_size->cpb;
448 else
449 ctx->dec_src_buf_size = pix_mp->plane_fmt[0].sizeimage;
450 pix_mp->plane_fmt[0].bytesperline = 0;
451 ctx->state = MFCINST_INIT;
452 ret = 0;
453 goto out;
454 } else {
455 mfc_err("Wrong type error for S_FMT : %d", f->type);
456 ret = -EINVAL;
457 goto out;
458 }
459
460 out:
461 mfc_debug_leave();
462 return ret;
463 }
464
reqbufs_output(struct s5p_mfc_dev * dev,struct s5p_mfc_ctx * ctx,struct v4l2_requestbuffers * reqbufs)465 static int reqbufs_output(struct s5p_mfc_dev *dev, struct s5p_mfc_ctx *ctx,
466 struct v4l2_requestbuffers *reqbufs)
467 {
468 int ret = 0;
469
470 s5p_mfc_clock_on();
471
472 if (reqbufs->count == 0) {
473 mfc_debug(2, "Freeing buffers\n");
474 ret = vb2_reqbufs(&ctx->vq_src, reqbufs);
475 if (ret)
476 goto out;
477 s5p_mfc_close_mfc_inst(dev, ctx);
478 ctx->src_bufs_cnt = 0;
479 ctx->output_state = QUEUE_FREE;
480 } else if (ctx->output_state == QUEUE_FREE) {
481 /* Can only request buffers when we have a valid format set. */
482 WARN_ON(ctx->src_bufs_cnt != 0);
483 if (ctx->state != MFCINST_INIT) {
484 mfc_err("Reqbufs called in an invalid state\n");
485 ret = -EINVAL;
486 goto out;
487 }
488
489 mfc_debug(2, "Allocating %d buffers for OUTPUT queue\n",
490 reqbufs->count);
491 ret = vb2_reqbufs(&ctx->vq_src, reqbufs);
492 if (ret)
493 goto out;
494
495 ret = s5p_mfc_open_mfc_inst(dev, ctx);
496 if (ret) {
497 reqbufs->count = 0;
498 vb2_reqbufs(&ctx->vq_src, reqbufs);
499 goto out;
500 }
501
502 ctx->output_state = QUEUE_BUFS_REQUESTED;
503 } else {
504 mfc_err("Buffers have already been requested\n");
505 ret = -EINVAL;
506 }
507 out:
508 s5p_mfc_clock_off();
509 if (ret)
510 mfc_err("Failed allocating buffers for OUTPUT queue\n");
511 return ret;
512 }
513
reqbufs_capture(struct s5p_mfc_dev * dev,struct s5p_mfc_ctx * ctx,struct v4l2_requestbuffers * reqbufs)514 static int reqbufs_capture(struct s5p_mfc_dev *dev, struct s5p_mfc_ctx *ctx,
515 struct v4l2_requestbuffers *reqbufs)
516 {
517 int ret = 0;
518
519 s5p_mfc_clock_on();
520
521 if (reqbufs->count == 0) {
522 mfc_debug(2, "Freeing buffers\n");
523 ret = vb2_reqbufs(&ctx->vq_dst, reqbufs);
524 if (ret)
525 goto out;
526 s5p_mfc_hw_call_void(dev->mfc_ops, release_codec_buffers, ctx);
527 ctx->dst_bufs_cnt = 0;
528 } else if (ctx->capture_state == QUEUE_FREE) {
529 WARN_ON(ctx->dst_bufs_cnt != 0);
530 mfc_debug(2, "Allocating %d buffers for CAPTURE queue\n",
531 reqbufs->count);
532 ret = vb2_reqbufs(&ctx->vq_dst, reqbufs);
533 if (ret)
534 goto out;
535
536 ctx->capture_state = QUEUE_BUFS_REQUESTED;
537 ctx->total_dpb_count = reqbufs->count;
538
539 ret = s5p_mfc_hw_call(dev->mfc_ops, alloc_codec_buffers, ctx);
540 if (ret) {
541 mfc_err("Failed to allocate decoding buffers\n");
542 reqbufs->count = 0;
543 vb2_reqbufs(&ctx->vq_dst, reqbufs);
544 ret = -ENOMEM;
545 ctx->capture_state = QUEUE_FREE;
546 goto out;
547 }
548
549 WARN_ON(ctx->dst_bufs_cnt != ctx->total_dpb_count);
550 ctx->capture_state = QUEUE_BUFS_MMAPED;
551
552 if (s5p_mfc_ctx_ready(ctx))
553 set_work_bit_irqsave(ctx);
554 s5p_mfc_hw_call_void(dev->mfc_ops, try_run, dev);
555 s5p_mfc_wait_for_done_ctx(ctx, S5P_MFC_R2H_CMD_INIT_BUFFERS_RET,
556 0);
557 } else {
558 mfc_err("Buffers have already been requested\n");
559 ret = -EINVAL;
560 }
561 out:
562 s5p_mfc_clock_off();
563 if (ret)
564 mfc_err("Failed allocating buffers for CAPTURE queue\n");
565 return ret;
566 }
567
568 /* Reqeust buffers */
vidioc_reqbufs(struct file * file,void * priv,struct v4l2_requestbuffers * reqbufs)569 static int vidioc_reqbufs(struct file *file, void *priv,
570 struct v4l2_requestbuffers *reqbufs)
571 {
572 struct s5p_mfc_dev *dev = video_drvdata(file);
573 struct s5p_mfc_ctx *ctx = fh_to_ctx(priv);
574
575 if (reqbufs->memory != V4L2_MEMORY_MMAP) {
576 mfc_err("Only V4L2_MEMORY_MAP is supported\n");
577 return -EINVAL;
578 }
579
580 if (reqbufs->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
581 return reqbufs_output(dev, ctx, reqbufs);
582 } else if (reqbufs->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
583 return reqbufs_capture(dev, ctx, reqbufs);
584 } else {
585 mfc_err("Invalid type requested\n");
586 return -EINVAL;
587 }
588 }
589
590 /* Query buffer */
vidioc_querybuf(struct file * file,void * priv,struct v4l2_buffer * buf)591 static int vidioc_querybuf(struct file *file, void *priv,
592 struct v4l2_buffer *buf)
593 {
594 struct s5p_mfc_ctx *ctx = fh_to_ctx(priv);
595 int ret;
596 int i;
597
598 if (buf->memory != V4L2_MEMORY_MMAP) {
599 mfc_err("Only mmaped buffers can be used\n");
600 return -EINVAL;
601 }
602 mfc_debug(2, "State: %d, buf->type: %d\n", ctx->state, buf->type);
603 if (ctx->state == MFCINST_GOT_INST &&
604 buf->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
605 ret = vb2_querybuf(&ctx->vq_src, buf);
606 } else if (ctx->state == MFCINST_RUNNING &&
607 buf->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
608 ret = vb2_querybuf(&ctx->vq_dst, buf);
609 for (i = 0; i < buf->length; i++)
610 buf->m.planes[i].m.mem_offset += DST_QUEUE_OFF_BASE;
611 } else {
612 mfc_err("vidioc_querybuf called in an inappropriate state\n");
613 ret = -EINVAL;
614 }
615 mfc_debug_leave();
616 return ret;
617 }
618
619 /* Queue a buffer */
vidioc_qbuf(struct file * file,void * priv,struct v4l2_buffer * buf)620 static int vidioc_qbuf(struct file *file, void *priv, struct v4l2_buffer *buf)
621 {
622 struct s5p_mfc_ctx *ctx = fh_to_ctx(priv);
623
624 if (ctx->state == MFCINST_ERROR) {
625 mfc_err("Call on QBUF after unrecoverable error\n");
626 return -EIO;
627 }
628 if (buf->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
629 return vb2_qbuf(&ctx->vq_src, buf);
630 else if (buf->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE)
631 return vb2_qbuf(&ctx->vq_dst, buf);
632 return -EINVAL;
633 }
634
635 /* Dequeue a buffer */
vidioc_dqbuf(struct file * file,void * priv,struct v4l2_buffer * buf)636 static int vidioc_dqbuf(struct file *file, void *priv, struct v4l2_buffer *buf)
637 {
638 const struct v4l2_event ev = {
639 .type = V4L2_EVENT_EOS
640 };
641 struct s5p_mfc_ctx *ctx = fh_to_ctx(priv);
642 int ret;
643
644 if (ctx->state == MFCINST_ERROR) {
645 mfc_err("Call on DQBUF after unrecoverable error\n");
646 return -EIO;
647 }
648
649 switch (buf->type) {
650 case V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE:
651 return vb2_dqbuf(&ctx->vq_src, buf, file->f_flags & O_NONBLOCK);
652 case V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE:
653 ret = vb2_dqbuf(&ctx->vq_dst, buf, file->f_flags & O_NONBLOCK);
654 if (ret)
655 return ret;
656
657 if (ctx->state == MFCINST_FINISHED &&
658 (ctx->dst_bufs[buf->index].flags & MFC_BUF_FLAG_EOS))
659 v4l2_event_queue_fh(&ctx->fh, &ev);
660 return 0;
661 default:
662 return -EINVAL;
663 }
664 }
665
666 /* Export DMA buffer */
vidioc_expbuf(struct file * file,void * priv,struct v4l2_exportbuffer * eb)667 static int vidioc_expbuf(struct file *file, void *priv,
668 struct v4l2_exportbuffer *eb)
669 {
670 struct s5p_mfc_ctx *ctx = fh_to_ctx(priv);
671
672 if (eb->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
673 return vb2_expbuf(&ctx->vq_src, eb);
674 if (eb->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE)
675 return vb2_expbuf(&ctx->vq_dst, eb);
676 return -EINVAL;
677 }
678
679 /* Stream on */
vidioc_streamon(struct file * file,void * priv,enum v4l2_buf_type type)680 static int vidioc_streamon(struct file *file, void *priv,
681 enum v4l2_buf_type type)
682 {
683 struct s5p_mfc_ctx *ctx = fh_to_ctx(priv);
684 int ret = -EINVAL;
685
686 mfc_debug_enter();
687 if (type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
688 ret = vb2_streamon(&ctx->vq_src, type);
689 else if (type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE)
690 ret = vb2_streamon(&ctx->vq_dst, type);
691 mfc_debug_leave();
692 return ret;
693 }
694
695 /* Stream off, which equals to a pause */
vidioc_streamoff(struct file * file,void * priv,enum v4l2_buf_type type)696 static int vidioc_streamoff(struct file *file, void *priv,
697 enum v4l2_buf_type type)
698 {
699 struct s5p_mfc_ctx *ctx = fh_to_ctx(priv);
700
701 if (type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
702 return vb2_streamoff(&ctx->vq_src, type);
703 else if (type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE)
704 return vb2_streamoff(&ctx->vq_dst, type);
705 return -EINVAL;
706 }
707
708 /* Set controls - v4l2 control framework */
s5p_mfc_dec_s_ctrl(struct v4l2_ctrl * ctrl)709 static int s5p_mfc_dec_s_ctrl(struct v4l2_ctrl *ctrl)
710 {
711 struct s5p_mfc_ctx *ctx = ctrl_to_ctx(ctrl);
712
713 switch (ctrl->id) {
714 case V4L2_CID_MPEG_MFC51_VIDEO_DECODER_H264_DISPLAY_DELAY:
715 ctx->display_delay = ctrl->val;
716 break;
717 case V4L2_CID_MPEG_MFC51_VIDEO_DECODER_H264_DISPLAY_DELAY_ENABLE:
718 ctx->display_delay_enable = ctrl->val;
719 break;
720 case V4L2_CID_MPEG_VIDEO_DECODER_MPEG4_DEBLOCK_FILTER:
721 ctx->loop_filter_mpeg4 = ctrl->val;
722 break;
723 case V4L2_CID_MPEG_VIDEO_DECODER_SLICE_INTERFACE:
724 ctx->slice_interface = ctrl->val;
725 break;
726 default:
727 mfc_err("Invalid control 0x%08x\n", ctrl->id);
728 return -EINVAL;
729 }
730 return 0;
731 }
732
s5p_mfc_dec_g_v_ctrl(struct v4l2_ctrl * ctrl)733 static int s5p_mfc_dec_g_v_ctrl(struct v4l2_ctrl *ctrl)
734 {
735 struct s5p_mfc_ctx *ctx = ctrl_to_ctx(ctrl);
736 struct s5p_mfc_dev *dev = ctx->dev;
737
738 switch (ctrl->id) {
739 case V4L2_CID_MIN_BUFFERS_FOR_CAPTURE:
740 if (ctx->state >= MFCINST_HEAD_PARSED &&
741 ctx->state < MFCINST_ABORT) {
742 ctrl->val = ctx->pb_count;
743 break;
744 } else if (ctx->state != MFCINST_INIT &&
745 ctx->state != MFCINST_RES_CHANGE_END) {
746 v4l2_err(&dev->v4l2_dev, "Decoding not initialised\n");
747 return -EINVAL;
748 }
749 /* Should wait for the header to be parsed */
750 s5p_mfc_wait_for_done_ctx(ctx,
751 S5P_MFC_R2H_CMD_SEQ_DONE_RET, 0);
752 if (ctx->state >= MFCINST_HEAD_PARSED &&
753 ctx->state < MFCINST_ABORT) {
754 ctrl->val = ctx->pb_count;
755 } else {
756 v4l2_err(&dev->v4l2_dev, "Decoding not initialised\n");
757 return -EINVAL;
758 }
759 break;
760 }
761 return 0;
762 }
763
764
765 static const struct v4l2_ctrl_ops s5p_mfc_dec_ctrl_ops = {
766 .s_ctrl = s5p_mfc_dec_s_ctrl,
767 .g_volatile_ctrl = s5p_mfc_dec_g_v_ctrl,
768 };
769
770 /* Get cropping information */
vidioc_g_crop(struct file * file,void * priv,struct v4l2_crop * cr)771 static int vidioc_g_crop(struct file *file, void *priv,
772 struct v4l2_crop *cr)
773 {
774 struct s5p_mfc_ctx *ctx = fh_to_ctx(priv);
775 struct s5p_mfc_dev *dev = ctx->dev;
776 u32 left, right, top, bottom;
777
778 if (ctx->state != MFCINST_HEAD_PARSED &&
779 ctx->state != MFCINST_RUNNING && ctx->state != MFCINST_FINISHING
780 && ctx->state != MFCINST_FINISHED) {
781 mfc_err("Cannont set crop\n");
782 return -EINVAL;
783 }
784 if (ctx->src_fmt->fourcc == V4L2_PIX_FMT_H264) {
785 left = s5p_mfc_hw_call(dev->mfc_ops, get_crop_info_h, ctx);
786 right = left >> S5P_FIMV_SHARED_CROP_RIGHT_SHIFT;
787 left = left & S5P_FIMV_SHARED_CROP_LEFT_MASK;
788 top = s5p_mfc_hw_call(dev->mfc_ops, get_crop_info_v, ctx);
789 bottom = top >> S5P_FIMV_SHARED_CROP_BOTTOM_SHIFT;
790 top = top & S5P_FIMV_SHARED_CROP_TOP_MASK;
791 cr->c.left = left;
792 cr->c.top = top;
793 cr->c.width = ctx->img_width - left - right;
794 cr->c.height = ctx->img_height - top - bottom;
795 mfc_debug(2, "Cropping info [h264]: l=%d t=%d "
796 "w=%d h=%d (r=%d b=%d fw=%d fh=%d\n", left, top,
797 cr->c.width, cr->c.height, right, bottom,
798 ctx->buf_width, ctx->buf_height);
799 } else {
800 cr->c.left = 0;
801 cr->c.top = 0;
802 cr->c.width = ctx->img_width;
803 cr->c.height = ctx->img_height;
804 mfc_debug(2, "Cropping info: w=%d h=%d fw=%d "
805 "fh=%d\n", cr->c.width, cr->c.height, ctx->buf_width,
806 ctx->buf_height);
807 }
808 return 0;
809 }
810
vidioc_decoder_cmd(struct file * file,void * priv,struct v4l2_decoder_cmd * cmd)811 static int vidioc_decoder_cmd(struct file *file, void *priv,
812 struct v4l2_decoder_cmd *cmd)
813 {
814 struct s5p_mfc_ctx *ctx = fh_to_ctx(priv);
815 struct s5p_mfc_dev *dev = ctx->dev;
816 struct s5p_mfc_buf *buf;
817 unsigned long flags;
818
819 switch (cmd->cmd) {
820 case V4L2_DEC_CMD_STOP:
821 if (cmd->flags != 0)
822 return -EINVAL;
823
824 if (!ctx->vq_src.streaming)
825 return -EINVAL;
826
827 spin_lock_irqsave(&dev->irqlock, flags);
828 if (list_empty(&ctx->src_queue)) {
829 mfc_err("EOS: empty src queue, entering finishing state");
830 ctx->state = MFCINST_FINISHING;
831 if (s5p_mfc_ctx_ready(ctx))
832 set_work_bit_irqsave(ctx);
833 spin_unlock_irqrestore(&dev->irqlock, flags);
834 s5p_mfc_hw_call_void(dev->mfc_ops, try_run, dev);
835 } else {
836 mfc_err("EOS: marking last buffer of stream");
837 buf = list_entry(ctx->src_queue.prev,
838 struct s5p_mfc_buf, list);
839 if (buf->flags & MFC_BUF_FLAG_USED)
840 ctx->state = MFCINST_FINISHING;
841 else
842 buf->flags |= MFC_BUF_FLAG_EOS;
843 spin_unlock_irqrestore(&dev->irqlock, flags);
844 }
845 break;
846 default:
847 return -EINVAL;
848 }
849 return 0;
850 }
851
vidioc_subscribe_event(struct v4l2_fh * fh,const struct v4l2_event_subscription * sub)852 static int vidioc_subscribe_event(struct v4l2_fh *fh,
853 const struct v4l2_event_subscription *sub)
854 {
855 switch (sub->type) {
856 case V4L2_EVENT_EOS:
857 return v4l2_event_subscribe(fh, sub, 2, NULL);
858 case V4L2_EVENT_SOURCE_CHANGE:
859 return v4l2_src_change_event_subscribe(fh, sub);
860 default:
861 return -EINVAL;
862 }
863 }
864
865
866 /* v4l2_ioctl_ops */
867 static const struct v4l2_ioctl_ops s5p_mfc_dec_ioctl_ops = {
868 .vidioc_querycap = vidioc_querycap,
869 .vidioc_enum_fmt_vid_cap_mplane = vidioc_enum_fmt_vid_cap_mplane,
870 .vidioc_enum_fmt_vid_out_mplane = vidioc_enum_fmt_vid_out_mplane,
871 .vidioc_g_fmt_vid_cap_mplane = vidioc_g_fmt,
872 .vidioc_g_fmt_vid_out_mplane = vidioc_g_fmt,
873 .vidioc_try_fmt_vid_cap_mplane = vidioc_try_fmt,
874 .vidioc_try_fmt_vid_out_mplane = vidioc_try_fmt,
875 .vidioc_s_fmt_vid_cap_mplane = vidioc_s_fmt,
876 .vidioc_s_fmt_vid_out_mplane = vidioc_s_fmt,
877 .vidioc_reqbufs = vidioc_reqbufs,
878 .vidioc_querybuf = vidioc_querybuf,
879 .vidioc_qbuf = vidioc_qbuf,
880 .vidioc_dqbuf = vidioc_dqbuf,
881 .vidioc_expbuf = vidioc_expbuf,
882 .vidioc_streamon = vidioc_streamon,
883 .vidioc_streamoff = vidioc_streamoff,
884 .vidioc_g_crop = vidioc_g_crop,
885 .vidioc_decoder_cmd = vidioc_decoder_cmd,
886 .vidioc_subscribe_event = vidioc_subscribe_event,
887 .vidioc_unsubscribe_event = v4l2_event_unsubscribe,
888 };
889
s5p_mfc_queue_setup(struct vb2_queue * vq,const void * parg,unsigned int * buf_count,unsigned int * plane_count,unsigned int psize[],void * allocators[])890 static int s5p_mfc_queue_setup(struct vb2_queue *vq,
891 const void *parg, unsigned int *buf_count,
892 unsigned int *plane_count, unsigned int psize[],
893 void *allocators[])
894 {
895 struct s5p_mfc_ctx *ctx = fh_to_ctx(vq->drv_priv);
896 struct s5p_mfc_dev *dev = ctx->dev;
897
898 /* Video output for decoding (source)
899 * this can be set after getting an instance */
900 if (ctx->state == MFCINST_INIT &&
901 vq->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
902 /* A single plane is required for input */
903 *plane_count = 1;
904 if (*buf_count < 1)
905 *buf_count = 1;
906 if (*buf_count > MFC_MAX_BUFFERS)
907 *buf_count = MFC_MAX_BUFFERS;
908 /* Video capture for decoding (destination)
909 * this can be set after the header was parsed */
910 } else if (ctx->state == MFCINST_HEAD_PARSED &&
911 vq->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
912 /* Output plane count is 2 - one for Y and one for CbCr */
913 *plane_count = 2;
914 /* Setup buffer count */
915 if (*buf_count < ctx->pb_count)
916 *buf_count = ctx->pb_count;
917 if (*buf_count > ctx->pb_count + MFC_MAX_EXTRA_DPB)
918 *buf_count = ctx->pb_count + MFC_MAX_EXTRA_DPB;
919 if (*buf_count > MFC_MAX_BUFFERS)
920 *buf_count = MFC_MAX_BUFFERS;
921 } else {
922 mfc_err("State seems invalid. State = %d, vq->type = %d\n",
923 ctx->state, vq->type);
924 return -EINVAL;
925 }
926 mfc_debug(2, "Buffer count=%d, plane count=%d\n",
927 *buf_count, *plane_count);
928 if (ctx->state == MFCINST_HEAD_PARSED &&
929 vq->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
930 psize[0] = ctx->luma_size;
931 psize[1] = ctx->chroma_size;
932
933 if (IS_MFCV6_PLUS(dev))
934 allocators[0] =
935 ctx->dev->alloc_ctx[MFC_BANK1_ALLOC_CTX];
936 else
937 allocators[0] =
938 ctx->dev->alloc_ctx[MFC_BANK2_ALLOC_CTX];
939 allocators[1] = ctx->dev->alloc_ctx[MFC_BANK1_ALLOC_CTX];
940 } else if (vq->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE &&
941 ctx->state == MFCINST_INIT) {
942 psize[0] = ctx->dec_src_buf_size;
943 allocators[0] = ctx->dev->alloc_ctx[MFC_BANK1_ALLOC_CTX];
944 } else {
945 mfc_err("This video node is dedicated to decoding. Decoding not initialized\n");
946 return -EINVAL;
947 }
948 return 0;
949 }
950
s5p_mfc_buf_init(struct vb2_buffer * vb)951 static int s5p_mfc_buf_init(struct vb2_buffer *vb)
952 {
953 struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
954 struct vb2_queue *vq = vb->vb2_queue;
955 struct s5p_mfc_ctx *ctx = fh_to_ctx(vq->drv_priv);
956 unsigned int i;
957
958 if (vq->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
959 if (ctx->capture_state == QUEUE_BUFS_MMAPED)
960 return 0;
961 for (i = 0; i < ctx->dst_fmt->num_planes; i++) {
962 if (IS_ERR_OR_NULL(ERR_PTR(
963 vb2_dma_contig_plane_dma_addr(vb, i)))) {
964 mfc_err("Plane mem not allocated\n");
965 return -EINVAL;
966 }
967 }
968 if (vb2_plane_size(vb, 0) < ctx->luma_size ||
969 vb2_plane_size(vb, 1) < ctx->chroma_size) {
970 mfc_err("Plane buffer (CAPTURE) is too small\n");
971 return -EINVAL;
972 }
973 i = vb->index;
974 ctx->dst_bufs[i].b = vbuf;
975 ctx->dst_bufs[i].cookie.raw.luma =
976 vb2_dma_contig_plane_dma_addr(vb, 0);
977 ctx->dst_bufs[i].cookie.raw.chroma =
978 vb2_dma_contig_plane_dma_addr(vb, 1);
979 ctx->dst_bufs_cnt++;
980 } else if (vq->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
981 if (IS_ERR_OR_NULL(ERR_PTR(
982 vb2_dma_contig_plane_dma_addr(vb, 0)))) {
983 mfc_err("Plane memory not allocated\n");
984 return -EINVAL;
985 }
986 if (vb2_plane_size(vb, 0) < ctx->dec_src_buf_size) {
987 mfc_err("Plane buffer (OUTPUT) is too small\n");
988 return -EINVAL;
989 }
990
991 i = vb->index;
992 ctx->src_bufs[i].b = vbuf;
993 ctx->src_bufs[i].cookie.stream =
994 vb2_dma_contig_plane_dma_addr(vb, 0);
995 ctx->src_bufs_cnt++;
996 } else {
997 mfc_err("s5p_mfc_buf_init: unknown queue type\n");
998 return -EINVAL;
999 }
1000 return 0;
1001 }
1002
s5p_mfc_start_streaming(struct vb2_queue * q,unsigned int count)1003 static int s5p_mfc_start_streaming(struct vb2_queue *q, unsigned int count)
1004 {
1005 struct s5p_mfc_ctx *ctx = fh_to_ctx(q->drv_priv);
1006 struct s5p_mfc_dev *dev = ctx->dev;
1007
1008 v4l2_ctrl_handler_setup(&ctx->ctrl_handler);
1009 if (ctx->state == MFCINST_FINISHING ||
1010 ctx->state == MFCINST_FINISHED)
1011 ctx->state = MFCINST_RUNNING;
1012 /* If context is ready then dev = work->data;schedule it to run */
1013 if (s5p_mfc_ctx_ready(ctx))
1014 set_work_bit_irqsave(ctx);
1015 s5p_mfc_hw_call_void(dev->mfc_ops, try_run, dev);
1016 return 0;
1017 }
1018
s5p_mfc_stop_streaming(struct vb2_queue * q)1019 static void s5p_mfc_stop_streaming(struct vb2_queue *q)
1020 {
1021 unsigned long flags;
1022 struct s5p_mfc_ctx *ctx = fh_to_ctx(q->drv_priv);
1023 struct s5p_mfc_dev *dev = ctx->dev;
1024 int aborted = 0;
1025
1026 if ((ctx->state == MFCINST_FINISHING ||
1027 ctx->state == MFCINST_RUNNING) &&
1028 dev->curr_ctx == ctx->num && dev->hw_lock) {
1029 ctx->state = MFCINST_ABORT;
1030 s5p_mfc_wait_for_done_ctx(ctx,
1031 S5P_MFC_R2H_CMD_FRAME_DONE_RET, 0);
1032 aborted = 1;
1033 }
1034 if (q->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
1035 spin_lock_irqsave(&dev->irqlock, flags);
1036 s5p_mfc_hw_call_void(dev->mfc_ops, cleanup_queue,
1037 &ctx->dst_queue, &ctx->vq_dst);
1038 INIT_LIST_HEAD(&ctx->dst_queue);
1039 ctx->dst_queue_cnt = 0;
1040 ctx->dpb_flush_flag = 1;
1041 ctx->dec_dst_flag = 0;
1042 spin_unlock_irqrestore(&dev->irqlock, flags);
1043 if (IS_MFCV6_PLUS(dev) && (ctx->state == MFCINST_RUNNING)) {
1044 ctx->state = MFCINST_FLUSH;
1045 set_work_bit_irqsave(ctx);
1046 s5p_mfc_hw_call_void(dev->mfc_ops, try_run, dev);
1047 if (s5p_mfc_wait_for_done_ctx(ctx,
1048 S5P_MFC_R2H_CMD_DPB_FLUSH_RET, 0))
1049 mfc_err("Err flushing buffers\n");
1050 }
1051 }
1052 if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
1053 spin_lock_irqsave(&dev->irqlock, flags);
1054 s5p_mfc_hw_call_void(dev->mfc_ops, cleanup_queue,
1055 &ctx->src_queue, &ctx->vq_src);
1056 INIT_LIST_HEAD(&ctx->src_queue);
1057 ctx->src_queue_cnt = 0;
1058 spin_unlock_irqrestore(&dev->irqlock, flags);
1059 }
1060 if (aborted)
1061 ctx->state = MFCINST_RUNNING;
1062 }
1063
1064
s5p_mfc_buf_queue(struct vb2_buffer * vb)1065 static void s5p_mfc_buf_queue(struct vb2_buffer *vb)
1066 {
1067 struct vb2_queue *vq = vb->vb2_queue;
1068 struct s5p_mfc_ctx *ctx = fh_to_ctx(vq->drv_priv);
1069 struct s5p_mfc_dev *dev = ctx->dev;
1070 unsigned long flags;
1071 struct s5p_mfc_buf *mfc_buf;
1072
1073 if (vq->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
1074 mfc_buf = &ctx->src_bufs[vb->index];
1075 mfc_buf->flags &= ~MFC_BUF_FLAG_USED;
1076 spin_lock_irqsave(&dev->irqlock, flags);
1077 list_add_tail(&mfc_buf->list, &ctx->src_queue);
1078 ctx->src_queue_cnt++;
1079 spin_unlock_irqrestore(&dev->irqlock, flags);
1080 } else if (vq->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
1081 mfc_buf = &ctx->dst_bufs[vb->index];
1082 mfc_buf->flags &= ~MFC_BUF_FLAG_USED;
1083 /* Mark destination as available for use by MFC */
1084 spin_lock_irqsave(&dev->irqlock, flags);
1085 set_bit(vb->index, &ctx->dec_dst_flag);
1086 list_add_tail(&mfc_buf->list, &ctx->dst_queue);
1087 ctx->dst_queue_cnt++;
1088 spin_unlock_irqrestore(&dev->irqlock, flags);
1089 } else {
1090 mfc_err("Unsupported buffer type (%d)\n", vq->type);
1091 }
1092 if (s5p_mfc_ctx_ready(ctx))
1093 set_work_bit_irqsave(ctx);
1094 s5p_mfc_hw_call_void(dev->mfc_ops, try_run, dev);
1095 }
1096
1097 static struct vb2_ops s5p_mfc_dec_qops = {
1098 .queue_setup = s5p_mfc_queue_setup,
1099 .wait_prepare = vb2_ops_wait_prepare,
1100 .wait_finish = vb2_ops_wait_finish,
1101 .buf_init = s5p_mfc_buf_init,
1102 .start_streaming = s5p_mfc_start_streaming,
1103 .stop_streaming = s5p_mfc_stop_streaming,
1104 .buf_queue = s5p_mfc_buf_queue,
1105 };
1106
get_dec_codec_ops(void)1107 struct s5p_mfc_codec_ops *get_dec_codec_ops(void)
1108 {
1109 return &decoder_codec_ops;
1110 }
1111
get_dec_queue_ops(void)1112 struct vb2_ops *get_dec_queue_ops(void)
1113 {
1114 return &s5p_mfc_dec_qops;
1115 }
1116
get_dec_v4l2_ioctl_ops(void)1117 const struct v4l2_ioctl_ops *get_dec_v4l2_ioctl_ops(void)
1118 {
1119 return &s5p_mfc_dec_ioctl_ops;
1120 }
1121
1122 #define IS_MFC51_PRIV(x) ((V4L2_CTRL_ID2CLASS(x) == V4L2_CTRL_CLASS_MPEG) \
1123 && V4L2_CTRL_DRIVER_PRIV(x))
1124
s5p_mfc_dec_ctrls_setup(struct s5p_mfc_ctx * ctx)1125 int s5p_mfc_dec_ctrls_setup(struct s5p_mfc_ctx *ctx)
1126 {
1127 struct v4l2_ctrl_config cfg;
1128 int i;
1129
1130 v4l2_ctrl_handler_init(&ctx->ctrl_handler, NUM_CTRLS);
1131 if (ctx->ctrl_handler.error) {
1132 mfc_err("v4l2_ctrl_handler_init failed\n");
1133 return ctx->ctrl_handler.error;
1134 }
1135
1136 for (i = 0; i < NUM_CTRLS; i++) {
1137 if (IS_MFC51_PRIV(controls[i].id)) {
1138 memset(&cfg, 0, sizeof(struct v4l2_ctrl_config));
1139 cfg.ops = &s5p_mfc_dec_ctrl_ops;
1140 cfg.id = controls[i].id;
1141 cfg.min = controls[i].minimum;
1142 cfg.max = controls[i].maximum;
1143 cfg.def = controls[i].default_value;
1144 cfg.name = controls[i].name;
1145 cfg.type = controls[i].type;
1146
1147 cfg.step = controls[i].step;
1148 cfg.menu_skip_mask = 0;
1149
1150 ctx->ctrls[i] = v4l2_ctrl_new_custom(&ctx->ctrl_handler,
1151 &cfg, NULL);
1152 } else {
1153 ctx->ctrls[i] = v4l2_ctrl_new_std(&ctx->ctrl_handler,
1154 &s5p_mfc_dec_ctrl_ops,
1155 controls[i].id, controls[i].minimum,
1156 controls[i].maximum, controls[i].step,
1157 controls[i].default_value);
1158 }
1159 if (ctx->ctrl_handler.error) {
1160 mfc_err("Adding control (%d) failed\n", i);
1161 return ctx->ctrl_handler.error;
1162 }
1163 if (controls[i].is_volatile && ctx->ctrls[i])
1164 ctx->ctrls[i]->flags |= V4L2_CTRL_FLAG_VOLATILE;
1165 }
1166 return 0;
1167 }
1168
s5p_mfc_dec_ctrls_delete(struct s5p_mfc_ctx * ctx)1169 void s5p_mfc_dec_ctrls_delete(struct s5p_mfc_ctx *ctx)
1170 {
1171 int i;
1172
1173 v4l2_ctrl_handler_free(&ctx->ctrl_handler);
1174 for (i = 0; i < NUM_CTRLS; i++)
1175 ctx->ctrls[i] = NULL;
1176 }
1177
s5p_mfc_dec_init(struct s5p_mfc_ctx * ctx)1178 void s5p_mfc_dec_init(struct s5p_mfc_ctx *ctx)
1179 {
1180 struct v4l2_format f;
1181 f.fmt.pix_mp.pixelformat = V4L2_PIX_FMT_H264;
1182 ctx->src_fmt = find_format(&f, MFC_FMT_DEC);
1183 if (IS_MFCV8(ctx->dev))
1184 f.fmt.pix_mp.pixelformat = V4L2_PIX_FMT_NV12M;
1185 else if (IS_MFCV6_PLUS(ctx->dev))
1186 f.fmt.pix_mp.pixelformat = V4L2_PIX_FMT_NV12MT_16X16;
1187 else
1188 f.fmt.pix_mp.pixelformat = V4L2_PIX_FMT_NV12MT;
1189 ctx->dst_fmt = find_format(&f, MFC_FMT_RAW);
1190 mfc_debug(2, "Default src_fmt is %p, dest_fmt is %p\n",
1191 ctx->src_fmt, ctx->dst_fmt);
1192 }
1193
1194