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Merge remote-tracking branch 'md/for-next'
[deliverable/linux.git] / drivers / media / platform / s5p-mfc / s5p_mfc_dec.c
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 */
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 */
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 const 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 */
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, S5P_MFC_NAME, sizeof(cap->driver) - 1);
269 strncpy(cap->card, dev->vfd_dec->name, sizeof(cap->card) - 1);
270 snprintf(cap->bus_info, sizeof(cap->bus_info), "platform:%s",
271 dev_name(&dev->plat_dev->dev));
272 /*
273 * This is only a mem-to-mem video device. The capture and output
274 * device capability flags are left only for backward compatibility
275 * and are scheduled for removal.
276 */
277 cap->device_caps = V4L2_CAP_VIDEO_M2M_MPLANE | V4L2_CAP_STREAMING;
278 cap->capabilities = cap->device_caps | V4L2_CAP_DEVICE_CAPS;
279 return 0;
280 }
281
282 /* Enumerate format */
283 static int vidioc_enum_fmt(struct file *file, struct v4l2_fmtdesc *f,
284 bool out)
285 {
286 struct s5p_mfc_dev *dev = video_drvdata(file);
287 struct s5p_mfc_fmt *fmt;
288 int i, j = 0;
289
290 for (i = 0; i < ARRAY_SIZE(formats); ++i) {
291 if (out && formats[i].type != MFC_FMT_DEC)
292 continue;
293 else if (!out && formats[i].type != MFC_FMT_RAW)
294 continue;
295 else if ((dev->variant->version_bit & formats[i].versions) == 0)
296 continue;
297
298 if (j == f->index)
299 break;
300 ++j;
301 }
302 if (i == ARRAY_SIZE(formats))
303 return -EINVAL;
304 fmt = &formats[i];
305 strlcpy(f->description, fmt->name, sizeof(f->description));
306 f->pixelformat = fmt->fourcc;
307 return 0;
308 }
309
310 static int vidioc_enum_fmt_vid_cap_mplane(struct file *file, void *pirv,
311 struct v4l2_fmtdesc *f)
312 {
313 return vidioc_enum_fmt(file, f, false);
314 }
315
316 static int vidioc_enum_fmt_vid_out_mplane(struct file *file, void *priv,
317 struct v4l2_fmtdesc *f)
318 {
319 return vidioc_enum_fmt(file, f, true);
320 }
321
322 /* Get format */
323 static int vidioc_g_fmt(struct file *file, void *priv, struct v4l2_format *f)
324 {
325 struct s5p_mfc_ctx *ctx = fh_to_ctx(priv);
326 struct v4l2_pix_format_mplane *pix_mp;
327
328 mfc_debug_enter();
329 pix_mp = &f->fmt.pix_mp;
330 if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE &&
331 (ctx->state == MFCINST_GOT_INST || ctx->state ==
332 MFCINST_RES_CHANGE_END)) {
333 /* If the MFC is parsing the header,
334 * so wait until it is finished */
335 s5p_mfc_wait_for_done_ctx(ctx, S5P_MFC_R2H_CMD_SEQ_DONE_RET,
336 0);
337 }
338 if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE &&
339 ctx->state >= MFCINST_HEAD_PARSED &&
340 ctx->state < MFCINST_ABORT) {
341 /* This is run on CAPTURE (decode output) */
342 /* Width and height are set to the dimensions
343 of the movie, the buffer is bigger and
344 further processing stages should crop to this
345 rectangle. */
346 pix_mp->width = ctx->buf_width;
347 pix_mp->height = ctx->buf_height;
348 pix_mp->field = V4L2_FIELD_NONE;
349 pix_mp->num_planes = 2;
350 /* Set pixelformat to the format in which MFC
351 outputs the decoded frame */
352 pix_mp->pixelformat = ctx->dst_fmt->fourcc;
353 pix_mp->plane_fmt[0].bytesperline = ctx->buf_width;
354 pix_mp->plane_fmt[0].sizeimage = ctx->luma_size;
355 pix_mp->plane_fmt[1].bytesperline = ctx->buf_width;
356 pix_mp->plane_fmt[1].sizeimage = ctx->chroma_size;
357 } else if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
358 /* This is run on OUTPUT
359 The buffer contains compressed image
360 so width and height have no meaning */
361 pix_mp->width = 0;
362 pix_mp->height = 0;
363 pix_mp->field = V4L2_FIELD_NONE;
364 pix_mp->plane_fmt[0].bytesperline = ctx->dec_src_buf_size;
365 pix_mp->plane_fmt[0].sizeimage = ctx->dec_src_buf_size;
366 pix_mp->pixelformat = ctx->src_fmt->fourcc;
367 pix_mp->num_planes = ctx->src_fmt->num_planes;
368 } else {
369 mfc_err("Format could not be read\n");
370 mfc_debug(2, "%s-- with error\n", __func__);
371 return -EINVAL;
372 }
373 mfc_debug_leave();
374 return 0;
375 }
376
377 /* Try format */
378 static int vidioc_try_fmt(struct file *file, void *priv, struct v4l2_format *f)
379 {
380 struct s5p_mfc_dev *dev = video_drvdata(file);
381 struct s5p_mfc_fmt *fmt;
382
383 mfc_debug(2, "Type is %d\n", f->type);
384 if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
385 fmt = find_format(f, MFC_FMT_DEC);
386 if (!fmt) {
387 mfc_err("Unsupported format for source.\n");
388 return -EINVAL;
389 }
390 if (fmt->codec_mode == S5P_FIMV_CODEC_NONE) {
391 mfc_err("Unknown codec\n");
392 return -EINVAL;
393 }
394 if ((dev->variant->version_bit & fmt->versions) == 0) {
395 mfc_err("Unsupported format by this MFC version.\n");
396 return -EINVAL;
397 }
398 } else if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
399 fmt = find_format(f, MFC_FMT_RAW);
400 if (!fmt) {
401 mfc_err("Unsupported format for destination.\n");
402 return -EINVAL;
403 }
404 if ((dev->variant->version_bit & fmt->versions) == 0) {
405 mfc_err("Unsupported format by this MFC version.\n");
406 return -EINVAL;
407 }
408 }
409
410 return 0;
411 }
412
413 /* Set format */
414 static int vidioc_s_fmt(struct file *file, void *priv, struct v4l2_format *f)
415 {
416 struct s5p_mfc_dev *dev = video_drvdata(file);
417 struct s5p_mfc_ctx *ctx = fh_to_ctx(priv);
418 int ret = 0;
419 struct v4l2_pix_format_mplane *pix_mp;
420 struct s5p_mfc_buf_size *buf_size = dev->variant->buf_size;
421
422 mfc_debug_enter();
423 ret = vidioc_try_fmt(file, priv, f);
424 pix_mp = &f->fmt.pix_mp;
425 if (ret)
426 return ret;
427 if (vb2_is_streaming(&ctx->vq_src) || vb2_is_streaming(&ctx->vq_dst)) {
428 v4l2_err(&dev->v4l2_dev, "%s queue busy\n", __func__);
429 ret = -EBUSY;
430 goto out;
431 }
432 if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
433 /* dst_fmt is validated by call to vidioc_try_fmt */
434 ctx->dst_fmt = find_format(f, MFC_FMT_RAW);
435 ret = 0;
436 goto out;
437 } else if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
438 /* src_fmt is validated by call to vidioc_try_fmt */
439 ctx->src_fmt = find_format(f, MFC_FMT_DEC);
440 ctx->codec_mode = ctx->src_fmt->codec_mode;
441 mfc_debug(2, "The codec number is: %d\n", ctx->codec_mode);
442 pix_mp->height = 0;
443 pix_mp->width = 0;
444 if (pix_mp->plane_fmt[0].sizeimage == 0)
445 pix_mp->plane_fmt[0].sizeimage = ctx->dec_src_buf_size =
446 DEF_CPB_SIZE;
447 else if (pix_mp->plane_fmt[0].sizeimage > buf_size->cpb)
448 ctx->dec_src_buf_size = buf_size->cpb;
449 else
450 ctx->dec_src_buf_size = pix_mp->plane_fmt[0].sizeimage;
451 pix_mp->plane_fmt[0].bytesperline = 0;
452 ctx->state = MFCINST_INIT;
453 ret = 0;
454 goto out;
455 } else {
456 mfc_err("Wrong type error for S_FMT : %d", f->type);
457 ret = -EINVAL;
458 goto out;
459 }
460
461 out:
462 mfc_debug_leave();
463 return ret;
464 }
465
466 static int reqbufs_output(struct s5p_mfc_dev *dev, struct s5p_mfc_ctx *ctx,
467 struct v4l2_requestbuffers *reqbufs)
468 {
469 int ret = 0;
470
471 s5p_mfc_clock_on();
472
473 if (reqbufs->count == 0) {
474 mfc_debug(2, "Freeing buffers\n");
475 ret = vb2_reqbufs(&ctx->vq_src, reqbufs);
476 if (ret)
477 goto out;
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
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(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(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 /* Request buffers */
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_debug(2, "Only V4L2_MEMORY_MMAP 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 */
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 */
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 */
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 */
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 */
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 */
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 */
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
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 */
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 &&
780 ctx->state != MFCINST_FINISHING &&
781 ctx->state != MFCINST_FINISHED) {
782 mfc_err("Can not get crop information\n");
783 return -EINVAL;
784 }
785 if (ctx->src_fmt->fourcc == V4L2_PIX_FMT_H264) {
786 left = s5p_mfc_hw_call(dev->mfc_ops, get_crop_info_h, ctx);
787 right = left >> S5P_FIMV_SHARED_CROP_RIGHT_SHIFT;
788 left = left & S5P_FIMV_SHARED_CROP_LEFT_MASK;
789 top = s5p_mfc_hw_call(dev->mfc_ops, get_crop_info_v, ctx);
790 bottom = top >> S5P_FIMV_SHARED_CROP_BOTTOM_SHIFT;
791 top = top & S5P_FIMV_SHARED_CROP_TOP_MASK;
792 cr->c.left = left;
793 cr->c.top = top;
794 cr->c.width = ctx->img_width - left - right;
795 cr->c.height = ctx->img_height - top - bottom;
796 mfc_debug(2, "Cropping info [h264]: l=%d t=%d "
797 "w=%d h=%d (r=%d b=%d fw=%d fh=%d\n", left, top,
798 cr->c.width, cr->c.height, right, bottom,
799 ctx->buf_width, ctx->buf_height);
800 } else {
801 cr->c.left = 0;
802 cr->c.top = 0;
803 cr->c.width = ctx->img_width;
804 cr->c.height = ctx->img_height;
805 mfc_debug(2, "Cropping info: w=%d h=%d fw=%d "
806 "fh=%d\n", cr->c.width, cr->c.height, ctx->buf_width,
807 ctx->buf_height);
808 }
809 return 0;
810 }
811
812 static int vidioc_decoder_cmd(struct file *file, void *priv,
813 struct v4l2_decoder_cmd *cmd)
814 {
815 struct s5p_mfc_ctx *ctx = fh_to_ctx(priv);
816 struct s5p_mfc_dev *dev = ctx->dev;
817 struct s5p_mfc_buf *buf;
818 unsigned long flags;
819
820 switch (cmd->cmd) {
821 case V4L2_DEC_CMD_STOP:
822 if (cmd->flags != 0)
823 return -EINVAL;
824
825 if (!vb2_is_streaming(&ctx->vq_src))
826 return -EINVAL;
827
828 spin_lock_irqsave(&dev->irqlock, flags);
829 if (list_empty(&ctx->src_queue)) {
830 mfc_err("EOS: empty src queue, entering finishing state");
831 ctx->state = MFCINST_FINISHING;
832 if (s5p_mfc_ctx_ready(ctx))
833 set_work_bit_irqsave(ctx);
834 spin_unlock_irqrestore(&dev->irqlock, flags);
835 s5p_mfc_hw_call(dev->mfc_ops, try_run, dev);
836 } else {
837 mfc_err("EOS: marking last buffer of stream");
838 buf = list_entry(ctx->src_queue.prev,
839 struct s5p_mfc_buf, list);
840 if (buf->flags & MFC_BUF_FLAG_USED)
841 ctx->state = MFCINST_FINISHING;
842 else
843 buf->flags |= MFC_BUF_FLAG_EOS;
844 spin_unlock_irqrestore(&dev->irqlock, flags);
845 }
846 break;
847 default:
848 return -EINVAL;
849 }
850 return 0;
851 }
852
853 static int vidioc_subscribe_event(struct v4l2_fh *fh,
854 const struct v4l2_event_subscription *sub)
855 {
856 switch (sub->type) {
857 case V4L2_EVENT_EOS:
858 return v4l2_event_subscribe(fh, sub, 2, NULL);
859 case V4L2_EVENT_SOURCE_CHANGE:
860 return v4l2_src_change_event_subscribe(fh, sub);
861 default:
862 return -EINVAL;
863 }
864 }
865
866
867 /* v4l2_ioctl_ops */
868 static const struct v4l2_ioctl_ops s5p_mfc_dec_ioctl_ops = {
869 .vidioc_querycap = vidioc_querycap,
870 .vidioc_enum_fmt_vid_cap_mplane = vidioc_enum_fmt_vid_cap_mplane,
871 .vidioc_enum_fmt_vid_out_mplane = vidioc_enum_fmt_vid_out_mplane,
872 .vidioc_g_fmt_vid_cap_mplane = vidioc_g_fmt,
873 .vidioc_g_fmt_vid_out_mplane = vidioc_g_fmt,
874 .vidioc_try_fmt_vid_cap_mplane = vidioc_try_fmt,
875 .vidioc_try_fmt_vid_out_mplane = vidioc_try_fmt,
876 .vidioc_s_fmt_vid_cap_mplane = vidioc_s_fmt,
877 .vidioc_s_fmt_vid_out_mplane = vidioc_s_fmt,
878 .vidioc_reqbufs = vidioc_reqbufs,
879 .vidioc_querybuf = vidioc_querybuf,
880 .vidioc_qbuf = vidioc_qbuf,
881 .vidioc_dqbuf = vidioc_dqbuf,
882 .vidioc_expbuf = vidioc_expbuf,
883 .vidioc_streamon = vidioc_streamon,
884 .vidioc_streamoff = vidioc_streamoff,
885 .vidioc_g_crop = vidioc_g_crop,
886 .vidioc_decoder_cmd = vidioc_decoder_cmd,
887 .vidioc_subscribe_event = vidioc_subscribe_event,
888 .vidioc_unsubscribe_event = v4l2_event_unsubscribe,
889 };
890
891 static int s5p_mfc_queue_setup(struct vb2_queue *vq,
892 unsigned int *buf_count,
893 unsigned int *plane_count, unsigned int psize[],
894 struct device *alloc_devs[])
895 {
896 struct s5p_mfc_ctx *ctx = fh_to_ctx(vq->drv_priv);
897 struct s5p_mfc_dev *dev = ctx->dev;
898
899 /* Video output for decoding (source)
900 * this can be set after getting an instance */
901 if (ctx->state == MFCINST_INIT &&
902 vq->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
903 /* A single plane is required for input */
904 *plane_count = 1;
905 if (*buf_count < 1)
906 *buf_count = 1;
907 if (*buf_count > MFC_MAX_BUFFERS)
908 *buf_count = MFC_MAX_BUFFERS;
909 /* Video capture for decoding (destination)
910 * this can be set after the header was parsed */
911 } else if (ctx->state == MFCINST_HEAD_PARSED &&
912 vq->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
913 /* Output plane count is 2 - one for Y and one for CbCr */
914 *plane_count = 2;
915 /* Setup buffer count */
916 if (*buf_count < ctx->pb_count)
917 *buf_count = ctx->pb_count;
918 if (*buf_count > ctx->pb_count + MFC_MAX_EXTRA_DPB)
919 *buf_count = ctx->pb_count + MFC_MAX_EXTRA_DPB;
920 if (*buf_count > MFC_MAX_BUFFERS)
921 *buf_count = MFC_MAX_BUFFERS;
922 } else {
923 mfc_err("State seems invalid. State = %d, vq->type = %d\n",
924 ctx->state, vq->type);
925 return -EINVAL;
926 }
927 mfc_debug(2, "Buffer count=%d, plane count=%d\n",
928 *buf_count, *plane_count);
929 if (ctx->state == MFCINST_HEAD_PARSED &&
930 vq->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
931 psize[0] = ctx->luma_size;
932 psize[1] = ctx->chroma_size;
933
934 if (IS_MFCV6_PLUS(dev))
935 alloc_devs[0] = ctx->dev->mem_dev_l;
936 else
937 alloc_devs[0] = ctx->dev->mem_dev_r;
938 alloc_devs[1] = ctx->dev->mem_dev_l;
939 } else if (vq->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE &&
940 ctx->state == MFCINST_INIT) {
941 psize[0] = ctx->dec_src_buf_size;
942 alloc_devs[0] = ctx->dev->mem_dev_l;
943 } else {
944 mfc_err("This video node is dedicated to decoding. Decoding not initialized\n");
945 return -EINVAL;
946 }
947 return 0;
948 }
949
950 static int s5p_mfc_buf_init(struct vb2_buffer *vb)
951 {
952 struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
953 struct vb2_queue *vq = vb->vb2_queue;
954 struct s5p_mfc_ctx *ctx = fh_to_ctx(vq->drv_priv);
955 unsigned int i;
956
957 if (vq->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
958 if (ctx->capture_state == QUEUE_BUFS_MMAPED)
959 return 0;
960 for (i = 0; i < ctx->dst_fmt->num_planes; i++) {
961 if (IS_ERR_OR_NULL(ERR_PTR(
962 vb2_dma_contig_plane_dma_addr(vb, i)))) {
963 mfc_err("Plane mem not allocated\n");
964 return -EINVAL;
965 }
966 }
967 if (vb2_plane_size(vb, 0) < ctx->luma_size ||
968 vb2_plane_size(vb, 1) < ctx->chroma_size) {
969 mfc_err("Plane buffer (CAPTURE) is too small\n");
970 return -EINVAL;
971 }
972 i = vb->index;
973 ctx->dst_bufs[i].b = vbuf;
974 ctx->dst_bufs[i].cookie.raw.luma =
975 vb2_dma_contig_plane_dma_addr(vb, 0);
976 ctx->dst_bufs[i].cookie.raw.chroma =
977 vb2_dma_contig_plane_dma_addr(vb, 1);
978 ctx->dst_bufs_cnt++;
979 } else if (vq->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
980 if (IS_ERR_OR_NULL(ERR_PTR(
981 vb2_dma_contig_plane_dma_addr(vb, 0)))) {
982 mfc_err("Plane memory not allocated\n");
983 return -EINVAL;
984 }
985 if (vb2_plane_size(vb, 0) < ctx->dec_src_buf_size) {
986 mfc_err("Plane buffer (OUTPUT) is too small\n");
987 return -EINVAL;
988 }
989
990 i = vb->index;
991 ctx->src_bufs[i].b = vbuf;
992 ctx->src_bufs[i].cookie.stream =
993 vb2_dma_contig_plane_dma_addr(vb, 0);
994 ctx->src_bufs_cnt++;
995 } else {
996 mfc_err("s5p_mfc_buf_init: unknown queue type\n");
997 return -EINVAL;
998 }
999 return 0;
1000 }
1001
1002 static int s5p_mfc_start_streaming(struct vb2_queue *q, unsigned int count)
1003 {
1004 struct s5p_mfc_ctx *ctx = fh_to_ctx(q->drv_priv);
1005 struct s5p_mfc_dev *dev = ctx->dev;
1006
1007 v4l2_ctrl_handler_setup(&ctx->ctrl_handler);
1008 if (ctx->state == MFCINST_FINISHING ||
1009 ctx->state == MFCINST_FINISHED)
1010 ctx->state = MFCINST_RUNNING;
1011 /* If context is ready then dev = work->data;schedule it to run */
1012 if (s5p_mfc_ctx_ready(ctx))
1013 set_work_bit_irqsave(ctx);
1014 s5p_mfc_hw_call(dev->mfc_ops, try_run, dev);
1015 return 0;
1016 }
1017
1018 static void s5p_mfc_stop_streaming(struct vb2_queue *q)
1019 {
1020 unsigned long flags;
1021 struct s5p_mfc_ctx *ctx = fh_to_ctx(q->drv_priv);
1022 struct s5p_mfc_dev *dev = ctx->dev;
1023 int aborted = 0;
1024
1025 spin_lock_irqsave(&dev->irqlock, flags);
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 spin_unlock_irqrestore(&dev->irqlock, flags);
1031 s5p_mfc_wait_for_done_ctx(ctx,
1032 S5P_MFC_R2H_CMD_FRAME_DONE_RET, 0);
1033 aborted = 1;
1034 spin_lock_irqsave(&dev->irqlock, flags);
1035 }
1036 if (q->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
1037 s5p_mfc_cleanup_queue(&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 if (IS_MFCV6_PLUS(dev) && (ctx->state == MFCINST_RUNNING)) {
1043 ctx->state = MFCINST_FLUSH;
1044 set_work_bit_irqsave(ctx);
1045 s5p_mfc_hw_call(dev->mfc_ops, try_run, dev);
1046 spin_unlock_irqrestore(&dev->irqlock, flags);
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 spin_lock_irqsave(&dev->irqlock, flags);
1051 }
1052 } else if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
1053 s5p_mfc_cleanup_queue(&ctx->src_queue, &ctx->vq_src);
1054 INIT_LIST_HEAD(&ctx->src_queue);
1055 ctx->src_queue_cnt = 0;
1056 }
1057 if (aborted)
1058 ctx->state = MFCINST_RUNNING;
1059 spin_unlock_irqrestore(&dev->irqlock, flags);
1060 }
1061
1062
1063 static void s5p_mfc_buf_queue(struct vb2_buffer *vb)
1064 {
1065 struct vb2_queue *vq = vb->vb2_queue;
1066 struct s5p_mfc_ctx *ctx = fh_to_ctx(vq->drv_priv);
1067 struct s5p_mfc_dev *dev = ctx->dev;
1068 unsigned long flags;
1069 struct s5p_mfc_buf *mfc_buf;
1070
1071 if (vq->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
1072 mfc_buf = &ctx->src_bufs[vb->index];
1073 mfc_buf->flags &= ~MFC_BUF_FLAG_USED;
1074 spin_lock_irqsave(&dev->irqlock, flags);
1075 list_add_tail(&mfc_buf->list, &ctx->src_queue);
1076 ctx->src_queue_cnt++;
1077 spin_unlock_irqrestore(&dev->irqlock, flags);
1078 } else if (vq->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
1079 mfc_buf = &ctx->dst_bufs[vb->index];
1080 mfc_buf->flags &= ~MFC_BUF_FLAG_USED;
1081 /* Mark destination as available for use by MFC */
1082 spin_lock_irqsave(&dev->irqlock, flags);
1083 set_bit(vb->index, &ctx->dec_dst_flag);
1084 list_add_tail(&mfc_buf->list, &ctx->dst_queue);
1085 ctx->dst_queue_cnt++;
1086 spin_unlock_irqrestore(&dev->irqlock, flags);
1087 } else {
1088 mfc_err("Unsupported buffer type (%d)\n", vq->type);
1089 }
1090 if (s5p_mfc_ctx_ready(ctx))
1091 set_work_bit_irqsave(ctx);
1092 s5p_mfc_hw_call(dev->mfc_ops, try_run, dev);
1093 }
1094
1095 static struct vb2_ops s5p_mfc_dec_qops = {
1096 .queue_setup = s5p_mfc_queue_setup,
1097 .wait_prepare = vb2_ops_wait_prepare,
1098 .wait_finish = vb2_ops_wait_finish,
1099 .buf_init = s5p_mfc_buf_init,
1100 .start_streaming = s5p_mfc_start_streaming,
1101 .stop_streaming = s5p_mfc_stop_streaming,
1102 .buf_queue = s5p_mfc_buf_queue,
1103 };
1104
1105 const struct s5p_mfc_codec_ops *get_dec_codec_ops(void)
1106 {
1107 return &decoder_codec_ops;
1108 }
1109
1110 struct vb2_ops *get_dec_queue_ops(void)
1111 {
1112 return &s5p_mfc_dec_qops;
1113 }
1114
1115 const struct v4l2_ioctl_ops *get_dec_v4l2_ioctl_ops(void)
1116 {
1117 return &s5p_mfc_dec_ioctl_ops;
1118 }
1119
1120 #define IS_MFC51_PRIV(x) ((V4L2_CTRL_ID2WHICH(x) == V4L2_CTRL_CLASS_MPEG) \
1121 && V4L2_CTRL_DRIVER_PRIV(x))
1122
1123 int s5p_mfc_dec_ctrls_setup(struct s5p_mfc_ctx *ctx)
1124 {
1125 struct v4l2_ctrl_config cfg;
1126 int i;
1127
1128 v4l2_ctrl_handler_init(&ctx->ctrl_handler, NUM_CTRLS);
1129 if (ctx->ctrl_handler.error) {
1130 mfc_err("v4l2_ctrl_handler_init failed\n");
1131 return ctx->ctrl_handler.error;
1132 }
1133
1134 for (i = 0; i < NUM_CTRLS; i++) {
1135 if (IS_MFC51_PRIV(controls[i].id)) {
1136 memset(&cfg, 0, sizeof(struct v4l2_ctrl_config));
1137 cfg.ops = &s5p_mfc_dec_ctrl_ops;
1138 cfg.id = controls[i].id;
1139 cfg.min = controls[i].minimum;
1140 cfg.max = controls[i].maximum;
1141 cfg.def = controls[i].default_value;
1142 cfg.name = controls[i].name;
1143 cfg.type = controls[i].type;
1144
1145 cfg.step = controls[i].step;
1146 cfg.menu_skip_mask = 0;
1147
1148 ctx->ctrls[i] = v4l2_ctrl_new_custom(&ctx->ctrl_handler,
1149 &cfg, NULL);
1150 } else {
1151 ctx->ctrls[i] = v4l2_ctrl_new_std(&ctx->ctrl_handler,
1152 &s5p_mfc_dec_ctrl_ops,
1153 controls[i].id, controls[i].minimum,
1154 controls[i].maximum, controls[i].step,
1155 controls[i].default_value);
1156 }
1157 if (ctx->ctrl_handler.error) {
1158 mfc_err("Adding control (%d) failed\n", i);
1159 return ctx->ctrl_handler.error;
1160 }
1161 if (controls[i].is_volatile && ctx->ctrls[i])
1162 ctx->ctrls[i]->flags |= V4L2_CTRL_FLAG_VOLATILE;
1163 }
1164 return 0;
1165 }
1166
1167 void s5p_mfc_dec_ctrls_delete(struct s5p_mfc_ctx *ctx)
1168 {
1169 int i;
1170
1171 v4l2_ctrl_handler_free(&ctx->ctrl_handler);
1172 for (i = 0; i < NUM_CTRLS; i++)
1173 ctx->ctrls[i] = NULL;
1174 }
1175
1176 void s5p_mfc_dec_init(struct s5p_mfc_ctx *ctx)
1177 {
1178 struct v4l2_format f;
1179 f.fmt.pix_mp.pixelformat = V4L2_PIX_FMT_H264;
1180 ctx->src_fmt = find_format(&f, MFC_FMT_DEC);
1181 if (IS_MFCV8(ctx->dev))
1182 f.fmt.pix_mp.pixelformat = V4L2_PIX_FMT_NV12M;
1183 else if (IS_MFCV6_PLUS(ctx->dev))
1184 f.fmt.pix_mp.pixelformat = V4L2_PIX_FMT_NV12MT_16X16;
1185 else
1186 f.fmt.pix_mp.pixelformat = V4L2_PIX_FMT_NV12MT;
1187 ctx->dst_fmt = find_format(&f, MFC_FMT_RAW);
1188 mfc_debug(2, "Default src_fmt is %p, dest_fmt is %p\n",
1189 ctx->src_fmt, ctx->dst_fmt);
1190 }
1191
Linux kernel - Deliverables
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