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[media] media: s5p-mfc: use vb2_ops_wait_prepare/finish helper
[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/version.h>
22 #include <linux/videodev2.h>
23 #include <linux/workqueue.h>
24 #include <media/v4l2-ctrls.h>
25 #include <media/v4l2-event.h>
26 #include <media/videobuf2-core.h>
27 #include "s5p_mfc_common.h"
28 #include "s5p_mfc_ctrl.h"
29 #include "s5p_mfc_debug.h"
30 #include "s5p_mfc_dec.h"
31 #include "s5p_mfc_intr.h"
32 #include "s5p_mfc_opr.h"
33 #include "s5p_mfc_pm.h"
34
35 static struct s5p_mfc_fmt formats[] = {
36 {
37 .name = "4:2:0 2 Planes 16x16 Tiles",
38 .fourcc = V4L2_PIX_FMT_NV12MT_16X16,
39 .codec_mode = S5P_MFC_CODEC_NONE,
40 .type = MFC_FMT_RAW,
41 .num_planes = 2,
42 .versions = MFC_V6_BIT | MFC_V7_BIT,
43 },
44 {
45 .name = "4:2:0 2 Planes 64x32 Tiles",
46 .fourcc = V4L2_PIX_FMT_NV12MT,
47 .codec_mode = S5P_MFC_CODEC_NONE,
48 .type = MFC_FMT_RAW,
49 .num_planes = 2,
50 .versions = MFC_V5_BIT,
51 },
52 {
53 .name = "4:2:0 2 Planes Y/CbCr",
54 .fourcc = V4L2_PIX_FMT_NV12M,
55 .codec_mode = S5P_MFC_CODEC_NONE,
56 .type = MFC_FMT_RAW,
57 .num_planes = 2,
58 .versions = MFC_V6_BIT | MFC_V7_BIT | MFC_V8_BIT,
59 },
60 {
61 .name = "4:2:0 2 Planes Y/CrCb",
62 .fourcc = V4L2_PIX_FMT_NV21M,
63 .codec_mode = S5P_MFC_CODEC_NONE,
64 .type = MFC_FMT_RAW,
65 .num_planes = 2,
66 .versions = MFC_V6_BIT | MFC_V7_BIT | MFC_V8_BIT,
67 },
68 {
69 .name = "H264 Encoded Stream",
70 .fourcc = V4L2_PIX_FMT_H264,
71 .codec_mode = S5P_MFC_CODEC_H264_DEC,
72 .type = MFC_FMT_DEC,
73 .num_planes = 1,
74 .versions = MFC_V5_BIT | MFC_V6_BIT | MFC_V7_BIT |
75 MFC_V8_BIT,
76 },
77 {
78 .name = "H264/MVC Encoded Stream",
79 .fourcc = V4L2_PIX_FMT_H264_MVC,
80 .codec_mode = S5P_MFC_CODEC_H264_MVC_DEC,
81 .type = MFC_FMT_DEC,
82 .num_planes = 1,
83 .versions = MFC_V6_BIT | MFC_V7_BIT | MFC_V8_BIT,
84 },
85 {
86 .name = "H263 Encoded Stream",
87 .fourcc = V4L2_PIX_FMT_H263,
88 .codec_mode = S5P_MFC_CODEC_H263_DEC,
89 .type = MFC_FMT_DEC,
90 .num_planes = 1,
91 .versions = MFC_V5_BIT | MFC_V6_BIT | MFC_V7_BIT |
92 MFC_V8_BIT,
93 },
94 {
95 .name = "MPEG1 Encoded Stream",
96 .fourcc = V4L2_PIX_FMT_MPEG1,
97 .codec_mode = S5P_MFC_CODEC_MPEG2_DEC,
98 .type = MFC_FMT_DEC,
99 .num_planes = 1,
100 .versions = MFC_V5_BIT | MFC_V6_BIT | MFC_V7_BIT |
101 MFC_V8_BIT,
102 },
103 {
104 .name = "MPEG2 Encoded Stream",
105 .fourcc = V4L2_PIX_FMT_MPEG2,
106 .codec_mode = S5P_MFC_CODEC_MPEG2_DEC,
107 .type = MFC_FMT_DEC,
108 .num_planes = 1,
109 .versions = MFC_V5_BIT | MFC_V6_BIT | MFC_V7_BIT |
110 MFC_V8_BIT,
111 },
112 {
113 .name = "MPEG4 Encoded Stream",
114 .fourcc = V4L2_PIX_FMT_MPEG4,
115 .codec_mode = S5P_MFC_CODEC_MPEG4_DEC,
116 .type = MFC_FMT_DEC,
117 .num_planes = 1,
118 .versions = MFC_V5_BIT | MFC_V6_BIT | MFC_V7_BIT |
119 MFC_V8_BIT,
120 },
121 {
122 .name = "XviD Encoded Stream",
123 .fourcc = V4L2_PIX_FMT_XVID,
124 .codec_mode = S5P_MFC_CODEC_MPEG4_DEC,
125 .type = MFC_FMT_DEC,
126 .num_planes = 1,
127 .versions = MFC_V5_BIT | MFC_V6_BIT | MFC_V7_BIT |
128 MFC_V8_BIT,
129 },
130 {
131 .name = "VC1 Encoded Stream",
132 .fourcc = V4L2_PIX_FMT_VC1_ANNEX_G,
133 .codec_mode = S5P_MFC_CODEC_VC1_DEC,
134 .type = MFC_FMT_DEC,
135 .num_planes = 1,
136 .versions = MFC_V5_BIT | MFC_V6_BIT | MFC_V7_BIT |
137 MFC_V8_BIT,
138 },
139 {
140 .name = "VC1 RCV Encoded Stream",
141 .fourcc = V4L2_PIX_FMT_VC1_ANNEX_L,
142 .codec_mode = S5P_MFC_CODEC_VC1RCV_DEC,
143 .type = MFC_FMT_DEC,
144 .num_planes = 1,
145 .versions = MFC_V5_BIT | MFC_V6_BIT | MFC_V7_BIT |
146 MFC_V8_BIT,
147 },
148 {
149 .name = "VP8 Encoded Stream",
150 .fourcc = V4L2_PIX_FMT_VP8,
151 .codec_mode = S5P_MFC_CODEC_VP8_DEC,
152 .type = MFC_FMT_DEC,
153 .num_planes = 1,
154 .versions = MFC_V6_BIT | MFC_V7_BIT | MFC_V8_BIT,
155 },
156 };
157
158 #define NUM_FORMATS ARRAY_SIZE(formats)
159
160 /* Find selected format description */
161 static struct s5p_mfc_fmt *find_format(struct v4l2_format *f, unsigned int t)
162 {
163 unsigned int i;
164
165 for (i = 0; i < NUM_FORMATS; i++) {
166 if (formats[i].fourcc == f->fmt.pix_mp.pixelformat &&
167 formats[i].type == t)
168 return &formats[i];
169 }
170 return NULL;
171 }
172
173 static struct mfc_control controls[] = {
174 {
175 .id = V4L2_CID_MPEG_MFC51_VIDEO_DECODER_H264_DISPLAY_DELAY,
176 .type = V4L2_CTRL_TYPE_INTEGER,
177 .name = "H264 Display Delay",
178 .minimum = 0,
179 .maximum = 16383,
180 .step = 1,
181 .default_value = 0,
182 },
183 {
184 .id = V4L2_CID_MPEG_MFC51_VIDEO_DECODER_H264_DISPLAY_DELAY_ENABLE,
185 .type = V4L2_CTRL_TYPE_BOOLEAN,
186 .name = "H264 Display Delay Enable",
187 .minimum = 0,
188 .maximum = 1,
189 .step = 1,
190 .default_value = 0,
191 },
192 {
193 .id = V4L2_CID_MPEG_VIDEO_DECODER_MPEG4_DEBLOCK_FILTER,
194 .type = V4L2_CTRL_TYPE_BOOLEAN,
195 .name = "Mpeg4 Loop Filter Enable",
196 .minimum = 0,
197 .maximum = 1,
198 .step = 1,
199 .default_value = 0,
200 },
201 {
202 .id = V4L2_CID_MPEG_VIDEO_DECODER_SLICE_INTERFACE,
203 .type = V4L2_CTRL_TYPE_BOOLEAN,
204 .name = "Slice Interface Enable",
205 .minimum = 0,
206 .maximum = 1,
207 .step = 1,
208 .default_value = 0,
209 },
210 {
211 .id = V4L2_CID_MIN_BUFFERS_FOR_CAPTURE,
212 .type = V4L2_CTRL_TYPE_INTEGER,
213 .name = "Minimum number of cap bufs",
214 .minimum = 1,
215 .maximum = 32,
216 .step = 1,
217 .default_value = 1,
218 .is_volatile = 1,
219 },
220 };
221
222 #define NUM_CTRLS ARRAY_SIZE(controls)
223
224 /* Check whether a context should be run on hardware */
225 static int s5p_mfc_ctx_ready(struct s5p_mfc_ctx *ctx)
226 {
227 /* Context is to parse header */
228 if (ctx->src_queue_cnt >= 1 && ctx->state == MFCINST_GOT_INST)
229 return 1;
230 /* Context is to decode a frame */
231 if (ctx->src_queue_cnt >= 1 &&
232 ctx->state == MFCINST_RUNNING &&
233 ctx->dst_queue_cnt >= ctx->pb_count)
234 return 1;
235 /* Context is to return last frame */
236 if (ctx->state == MFCINST_FINISHING &&
237 ctx->dst_queue_cnt >= ctx->pb_count)
238 return 1;
239 /* Context is to set buffers */
240 if (ctx->src_queue_cnt >= 1 &&
241 ctx->state == MFCINST_HEAD_PARSED &&
242 ctx->capture_state == QUEUE_BUFS_MMAPED)
243 return 1;
244 /* Resolution change */
245 if ((ctx->state == MFCINST_RES_CHANGE_INIT ||
246 ctx->state == MFCINST_RES_CHANGE_FLUSH) &&
247 ctx->dst_queue_cnt >= ctx->pb_count)
248 return 1;
249 if (ctx->state == MFCINST_RES_CHANGE_END &&
250 ctx->src_queue_cnt >= 1)
251 return 1;
252 mfc_debug(2, "ctx is not ready\n");
253 return 0;
254 }
255
256 static struct s5p_mfc_codec_ops decoder_codec_ops = {
257 .pre_seq_start = NULL,
258 .post_seq_start = NULL,
259 .pre_frame_start = NULL,
260 .post_frame_start = NULL,
261 };
262
263 /* Query capabilities of the device */
264 static int vidioc_querycap(struct file *file, void *priv,
265 struct v4l2_capability *cap)
266 {
267 struct s5p_mfc_dev *dev = video_drvdata(file);
268
269 strncpy(cap->driver, dev->plat_dev->name, sizeof(cap->driver) - 1);
270 strncpy(cap->card, dev->plat_dev->name, sizeof(cap->card) - 1);
271 cap->bus_info[0] = 0;
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 (ctx->vq_src.streaming || ctx->vq_dst.streaming) {
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 s5p_mfc_close_mfc_inst(dev, ctx);
479 ctx->src_bufs_cnt = 0;
480 ctx->output_state = QUEUE_FREE;
481 } else if (ctx->output_state == QUEUE_FREE) {
482 /* Can only request buffers when we have a valid format set. */
483 WARN_ON(ctx->src_bufs_cnt != 0);
484 if (ctx->state != MFCINST_INIT) {
485 mfc_err("Reqbufs called in an invalid state\n");
486 ret = -EINVAL;
487 goto out;
488 }
489
490 mfc_debug(2, "Allocating %d buffers for OUTPUT queue\n",
491 reqbufs->count);
492 ret = vb2_reqbufs(&ctx->vq_src, reqbufs);
493 if (ret)
494 goto out;
495
496 ret = s5p_mfc_open_mfc_inst(dev, ctx);
497 if (ret) {
498 reqbufs->count = 0;
499 vb2_reqbufs(&ctx->vq_src, reqbufs);
500 goto out;
501 }
502
503 ctx->output_state = QUEUE_BUFS_REQUESTED;
504 } else {
505 mfc_err("Buffers have already been requested\n");
506 ret = -EINVAL;
507 }
508 out:
509 s5p_mfc_clock_off();
510 if (ret)
511 mfc_err("Failed allocating buffers for OUTPUT queue\n");
512 return ret;
513 }
514
515 static int reqbufs_capture(struct s5p_mfc_dev *dev, struct s5p_mfc_ctx *ctx,
516 struct v4l2_requestbuffers *reqbufs)
517 {
518 int ret = 0;
519
520 s5p_mfc_clock_on();
521
522 if (reqbufs->count == 0) {
523 mfc_debug(2, "Freeing buffers\n");
524 ret = vb2_reqbufs(&ctx->vq_dst, reqbufs);
525 if (ret)
526 goto out;
527 s5p_mfc_hw_call_void(dev->mfc_ops, release_codec_buffers, ctx);
528 ctx->dst_bufs_cnt = 0;
529 } else if (ctx->capture_state == QUEUE_FREE) {
530 WARN_ON(ctx->dst_bufs_cnt != 0);
531 mfc_debug(2, "Allocating %d buffers for CAPTURE queue\n",
532 reqbufs->count);
533 ret = vb2_reqbufs(&ctx->vq_dst, reqbufs);
534 if (ret)
535 goto out;
536
537 ctx->capture_state = QUEUE_BUFS_REQUESTED;
538 ctx->total_dpb_count = reqbufs->count;
539
540 ret = s5p_mfc_hw_call(dev->mfc_ops, alloc_codec_buffers, ctx);
541 if (ret) {
542 mfc_err("Failed to allocate decoding buffers\n");
543 reqbufs->count = 0;
544 vb2_reqbufs(&ctx->vq_dst, reqbufs);
545 ret = -ENOMEM;
546 ctx->capture_state = QUEUE_FREE;
547 goto out;
548 }
549
550 WARN_ON(ctx->dst_bufs_cnt != ctx->total_dpb_count);
551 ctx->capture_state = QUEUE_BUFS_MMAPED;
552
553 if (s5p_mfc_ctx_ready(ctx))
554 set_work_bit_irqsave(ctx);
555 s5p_mfc_hw_call_void(dev->mfc_ops, try_run, dev);
556 s5p_mfc_wait_for_done_ctx(ctx, S5P_MFC_R2H_CMD_INIT_BUFFERS_RET,
557 0);
558 } else {
559 mfc_err("Buffers have already been requested\n");
560 ret = -EINVAL;
561 }
562 out:
563 s5p_mfc_clock_off();
564 if (ret)
565 mfc_err("Failed allocating buffers for CAPTURE queue\n");
566 return ret;
567 }
568
569 /* Reqeust buffers */
570 static int vidioc_reqbufs(struct file *file, void *priv,
571 struct v4l2_requestbuffers *reqbufs)
572 {
573 struct s5p_mfc_dev *dev = video_drvdata(file);
574 struct s5p_mfc_ctx *ctx = fh_to_ctx(priv);
575
576 if (reqbufs->memory != V4L2_MEMORY_MMAP) {
577 mfc_err("Only V4L2_MEMORY_MAP is supported\n");
578 return -EINVAL;
579 }
580
581 if (reqbufs->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
582 return reqbufs_output(dev, ctx, reqbufs);
583 } else if (reqbufs->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
584 return reqbufs_capture(dev, ctx, reqbufs);
585 } else {
586 mfc_err("Invalid type requested\n");
587 return -EINVAL;
588 }
589 }
590
591 /* Query buffer */
592 static int vidioc_querybuf(struct file *file, void *priv,
593 struct v4l2_buffer *buf)
594 {
595 struct s5p_mfc_ctx *ctx = fh_to_ctx(priv);
596 int ret;
597 int i;
598
599 if (buf->memory != V4L2_MEMORY_MMAP) {
600 mfc_err("Only mmaped buffers can be used\n");
601 return -EINVAL;
602 }
603 mfc_debug(2, "State: %d, buf->type: %d\n", ctx->state, buf->type);
604 if (ctx->state == MFCINST_GOT_INST &&
605 buf->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
606 ret = vb2_querybuf(&ctx->vq_src, buf);
607 } else if (ctx->state == MFCINST_RUNNING &&
608 buf->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
609 ret = vb2_querybuf(&ctx->vq_dst, buf);
610 for (i = 0; i < buf->length; i++)
611 buf->m.planes[i].m.mem_offset += DST_QUEUE_OFF_BASE;
612 } else {
613 mfc_err("vidioc_querybuf called in an inappropriate state\n");
614 ret = -EINVAL;
615 }
616 mfc_debug_leave();
617 return ret;
618 }
619
620 /* Queue a buffer */
621 static int vidioc_qbuf(struct file *file, void *priv, struct v4l2_buffer *buf)
622 {
623 struct s5p_mfc_ctx *ctx = fh_to_ctx(priv);
624
625 if (ctx->state == MFCINST_ERROR) {
626 mfc_err("Call on QBUF after unrecoverable error\n");
627 return -EIO;
628 }
629 if (buf->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
630 return vb2_qbuf(&ctx->vq_src, buf);
631 else if (buf->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE)
632 return vb2_qbuf(&ctx->vq_dst, buf);
633 return -EINVAL;
634 }
635
636 /* Dequeue a buffer */
637 static int vidioc_dqbuf(struct file *file, void *priv, struct v4l2_buffer *buf)
638 {
639 const struct v4l2_event ev = {
640 .type = V4L2_EVENT_EOS
641 };
642 struct s5p_mfc_ctx *ctx = fh_to_ctx(priv);
643 int ret;
644
645 if (ctx->state == MFCINST_ERROR) {
646 mfc_err("Call on DQBUF after unrecoverable error\n");
647 return -EIO;
648 }
649 if (buf->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
650 ret = vb2_dqbuf(&ctx->vq_src, buf, file->f_flags & O_NONBLOCK);
651 else if (buf->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
652 ret = vb2_dqbuf(&ctx->vq_dst, buf, file->f_flags & O_NONBLOCK);
653 if (ret == 0 && ctx->state == MFCINST_FINISHED &&
654 list_empty(&ctx->vq_dst.done_list))
655 v4l2_event_queue_fh(&ctx->fh, &ev);
656 } else {
657 ret = -EINVAL;
658 }
659 return ret;
660 }
661
662 /* Export DMA buffer */
663 static int vidioc_expbuf(struct file *file, void *priv,
664 struct v4l2_exportbuffer *eb)
665 {
666 struct s5p_mfc_ctx *ctx = fh_to_ctx(priv);
667
668 if (eb->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
669 return vb2_expbuf(&ctx->vq_src, eb);
670 if (eb->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE)
671 return vb2_expbuf(&ctx->vq_dst, eb);
672 return -EINVAL;
673 }
674
675 /* Stream on */
676 static int vidioc_streamon(struct file *file, void *priv,
677 enum v4l2_buf_type type)
678 {
679 struct s5p_mfc_ctx *ctx = fh_to_ctx(priv);
680 int ret = -EINVAL;
681
682 mfc_debug_enter();
683 if (type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
684 ret = vb2_streamon(&ctx->vq_src, type);
685 else if (type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE)
686 ret = vb2_streamon(&ctx->vq_dst, type);
687 mfc_debug_leave();
688 return ret;
689 }
690
691 /* Stream off, which equals to a pause */
692 static int vidioc_streamoff(struct file *file, void *priv,
693 enum v4l2_buf_type type)
694 {
695 struct s5p_mfc_ctx *ctx = fh_to_ctx(priv);
696
697 if (type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
698 return vb2_streamoff(&ctx->vq_src, type);
699 else if (type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE)
700 return vb2_streamoff(&ctx->vq_dst, type);
701 return -EINVAL;
702 }
703
704 /* Set controls - v4l2 control framework */
705 static int s5p_mfc_dec_s_ctrl(struct v4l2_ctrl *ctrl)
706 {
707 struct s5p_mfc_ctx *ctx = ctrl_to_ctx(ctrl);
708
709 switch (ctrl->id) {
710 case V4L2_CID_MPEG_MFC51_VIDEO_DECODER_H264_DISPLAY_DELAY:
711 ctx->display_delay = ctrl->val;
712 break;
713 case V4L2_CID_MPEG_MFC51_VIDEO_DECODER_H264_DISPLAY_DELAY_ENABLE:
714 ctx->display_delay_enable = ctrl->val;
715 break;
716 case V4L2_CID_MPEG_VIDEO_DECODER_MPEG4_DEBLOCK_FILTER:
717 ctx->loop_filter_mpeg4 = ctrl->val;
718 break;
719 case V4L2_CID_MPEG_VIDEO_DECODER_SLICE_INTERFACE:
720 ctx->slice_interface = ctrl->val;
721 break;
722 default:
723 mfc_err("Invalid control 0x%08x\n", ctrl->id);
724 return -EINVAL;
725 }
726 return 0;
727 }
728
729 static int s5p_mfc_dec_g_v_ctrl(struct v4l2_ctrl *ctrl)
730 {
731 struct s5p_mfc_ctx *ctx = ctrl_to_ctx(ctrl);
732 struct s5p_mfc_dev *dev = ctx->dev;
733
734 switch (ctrl->id) {
735 case V4L2_CID_MIN_BUFFERS_FOR_CAPTURE:
736 if (ctx->state >= MFCINST_HEAD_PARSED &&
737 ctx->state < MFCINST_ABORT) {
738 ctrl->val = ctx->pb_count;
739 break;
740 } else if (ctx->state != MFCINST_INIT &&
741 ctx->state != MFCINST_RES_CHANGE_END) {
742 v4l2_err(&dev->v4l2_dev, "Decoding not initialised\n");
743 return -EINVAL;
744 }
745 /* Should wait for the header to be parsed */
746 s5p_mfc_wait_for_done_ctx(ctx,
747 S5P_MFC_R2H_CMD_SEQ_DONE_RET, 0);
748 if (ctx->state >= MFCINST_HEAD_PARSED &&
749 ctx->state < MFCINST_ABORT) {
750 ctrl->val = ctx->pb_count;
751 } else {
752 v4l2_err(&dev->v4l2_dev, "Decoding not initialised\n");
753 return -EINVAL;
754 }
755 break;
756 }
757 return 0;
758 }
759
760
761 static const struct v4l2_ctrl_ops s5p_mfc_dec_ctrl_ops = {
762 .s_ctrl = s5p_mfc_dec_s_ctrl,
763 .g_volatile_ctrl = s5p_mfc_dec_g_v_ctrl,
764 };
765
766 /* Get cropping information */
767 static int vidioc_g_crop(struct file *file, void *priv,
768 struct v4l2_crop *cr)
769 {
770 struct s5p_mfc_ctx *ctx = fh_to_ctx(priv);
771 struct s5p_mfc_dev *dev = ctx->dev;
772 u32 left, right, top, bottom;
773
774 if (ctx->state != MFCINST_HEAD_PARSED &&
775 ctx->state != MFCINST_RUNNING && ctx->state != MFCINST_FINISHING
776 && ctx->state != MFCINST_FINISHED) {
777 mfc_err("Cannont set crop\n");
778 return -EINVAL;
779 }
780 if (ctx->src_fmt->fourcc == V4L2_PIX_FMT_H264) {
781 left = s5p_mfc_hw_call(dev->mfc_ops, get_crop_info_h, ctx);
782 right = left >> S5P_FIMV_SHARED_CROP_RIGHT_SHIFT;
783 left = left & S5P_FIMV_SHARED_CROP_LEFT_MASK;
784 top = s5p_mfc_hw_call(dev->mfc_ops, get_crop_info_v, ctx);
785 bottom = top >> S5P_FIMV_SHARED_CROP_BOTTOM_SHIFT;
786 top = top & S5P_FIMV_SHARED_CROP_TOP_MASK;
787 cr->c.left = left;
788 cr->c.top = top;
789 cr->c.width = ctx->img_width - left - right;
790 cr->c.height = ctx->img_height - top - bottom;
791 mfc_debug(2, "Cropping info [h264]: l=%d t=%d "
792 "w=%d h=%d (r=%d b=%d fw=%d fh=%d\n", left, top,
793 cr->c.width, cr->c.height, right, bottom,
794 ctx->buf_width, ctx->buf_height);
795 } else {
796 cr->c.left = 0;
797 cr->c.top = 0;
798 cr->c.width = ctx->img_width;
799 cr->c.height = ctx->img_height;
800 mfc_debug(2, "Cropping info: w=%d h=%d fw=%d "
801 "fh=%d\n", cr->c.width, cr->c.height, ctx->buf_width,
802 ctx->buf_height);
803 }
804 return 0;
805 }
806
807 static int vidioc_decoder_cmd(struct file *file, void *priv,
808 struct v4l2_decoder_cmd *cmd)
809 {
810 struct s5p_mfc_ctx *ctx = fh_to_ctx(priv);
811 struct s5p_mfc_dev *dev = ctx->dev;
812 struct s5p_mfc_buf *buf;
813 unsigned long flags;
814
815 switch (cmd->cmd) {
816 case V4L2_ENC_CMD_STOP:
817 if (cmd->flags != 0)
818 return -EINVAL;
819
820 if (!ctx->vq_src.streaming)
821 return -EINVAL;
822
823 spin_lock_irqsave(&dev->irqlock, flags);
824 if (list_empty(&ctx->src_queue)) {
825 mfc_err("EOS: empty src queue, entering finishing state");
826 ctx->state = MFCINST_FINISHING;
827 if (s5p_mfc_ctx_ready(ctx))
828 set_work_bit_irqsave(ctx);
829 spin_unlock_irqrestore(&dev->irqlock, flags);
830 s5p_mfc_hw_call_void(dev->mfc_ops, try_run, dev);
831 } else {
832 mfc_err("EOS: marking last buffer of stream");
833 buf = list_entry(ctx->src_queue.prev,
834 struct s5p_mfc_buf, list);
835 if (buf->flags & MFC_BUF_FLAG_USED)
836 ctx->state = MFCINST_FINISHING;
837 else
838 buf->flags |= MFC_BUF_FLAG_EOS;
839 spin_unlock_irqrestore(&dev->irqlock, flags);
840 }
841 break;
842 default:
843 return -EINVAL;
844 }
845 return 0;
846 }
847
848 static int vidioc_subscribe_event(struct v4l2_fh *fh,
849 const struct v4l2_event_subscription *sub)
850 {
851 switch (sub->type) {
852 case V4L2_EVENT_EOS:
853 return v4l2_event_subscribe(fh, sub, 2, NULL);
854 case V4L2_EVENT_SOURCE_CHANGE:
855 return v4l2_src_change_event_subscribe(fh, sub);
856 default:
857 return -EINVAL;
858 }
859 }
860
861
862 /* v4l2_ioctl_ops */
863 static const struct v4l2_ioctl_ops s5p_mfc_dec_ioctl_ops = {
864 .vidioc_querycap = vidioc_querycap,
865 .vidioc_enum_fmt_vid_cap_mplane = vidioc_enum_fmt_vid_cap_mplane,
866 .vidioc_enum_fmt_vid_out_mplane = vidioc_enum_fmt_vid_out_mplane,
867 .vidioc_g_fmt_vid_cap_mplane = vidioc_g_fmt,
868 .vidioc_g_fmt_vid_out_mplane = vidioc_g_fmt,
869 .vidioc_try_fmt_vid_cap_mplane = vidioc_try_fmt,
870 .vidioc_try_fmt_vid_out_mplane = vidioc_try_fmt,
871 .vidioc_s_fmt_vid_cap_mplane = vidioc_s_fmt,
872 .vidioc_s_fmt_vid_out_mplane = vidioc_s_fmt,
873 .vidioc_reqbufs = vidioc_reqbufs,
874 .vidioc_querybuf = vidioc_querybuf,
875 .vidioc_qbuf = vidioc_qbuf,
876 .vidioc_dqbuf = vidioc_dqbuf,
877 .vidioc_expbuf = vidioc_expbuf,
878 .vidioc_streamon = vidioc_streamon,
879 .vidioc_streamoff = vidioc_streamoff,
880 .vidioc_g_crop = vidioc_g_crop,
881 .vidioc_decoder_cmd = vidioc_decoder_cmd,
882 .vidioc_subscribe_event = vidioc_subscribe_event,
883 .vidioc_unsubscribe_event = v4l2_event_unsubscribe,
884 };
885
886 static int s5p_mfc_queue_setup(struct vb2_queue *vq,
887 const struct v4l2_format *fmt, unsigned int *buf_count,
888 unsigned int *plane_count, unsigned int psize[],
889 void *allocators[])
890 {
891 struct s5p_mfc_ctx *ctx = fh_to_ctx(vq->drv_priv);
892 struct s5p_mfc_dev *dev = ctx->dev;
893
894 /* Video output for decoding (source)
895 * this can be set after getting an instance */
896 if (ctx->state == MFCINST_INIT &&
897 vq->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
898 /* A single plane is required for input */
899 *plane_count = 1;
900 if (*buf_count < 1)
901 *buf_count = 1;
902 if (*buf_count > MFC_MAX_BUFFERS)
903 *buf_count = MFC_MAX_BUFFERS;
904 /* Video capture for decoding (destination)
905 * this can be set after the header was parsed */
906 } else if (ctx->state == MFCINST_HEAD_PARSED &&
907 vq->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
908 /* Output plane count is 2 - one for Y and one for CbCr */
909 *plane_count = 2;
910 /* Setup buffer count */
911 if (*buf_count < ctx->pb_count)
912 *buf_count = ctx->pb_count;
913 if (*buf_count > ctx->pb_count + MFC_MAX_EXTRA_DPB)
914 *buf_count = ctx->pb_count + MFC_MAX_EXTRA_DPB;
915 if (*buf_count > MFC_MAX_BUFFERS)
916 *buf_count = MFC_MAX_BUFFERS;
917 } else {
918 mfc_err("State seems invalid. State = %d, vq->type = %d\n",
919 ctx->state, vq->type);
920 return -EINVAL;
921 }
922 mfc_debug(2, "Buffer count=%d, plane count=%d\n",
923 *buf_count, *plane_count);
924 if (ctx->state == MFCINST_HEAD_PARSED &&
925 vq->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
926 psize[0] = ctx->luma_size;
927 psize[1] = ctx->chroma_size;
928
929 if (IS_MFCV6_PLUS(dev))
930 allocators[0] =
931 ctx->dev->alloc_ctx[MFC_BANK1_ALLOC_CTX];
932 else
933 allocators[0] =
934 ctx->dev->alloc_ctx[MFC_BANK2_ALLOC_CTX];
935 allocators[1] = ctx->dev->alloc_ctx[MFC_BANK1_ALLOC_CTX];
936 } else if (vq->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE &&
937 ctx->state == MFCINST_INIT) {
938 psize[0] = ctx->dec_src_buf_size;
939 allocators[0] = ctx->dev->alloc_ctx[MFC_BANK1_ALLOC_CTX];
940 } else {
941 mfc_err("This video node is dedicated to decoding. Decoding not initialized\n");
942 return -EINVAL;
943 }
944 return 0;
945 }
946
947 static int s5p_mfc_buf_init(struct vb2_buffer *vb)
948 {
949 struct vb2_queue *vq = vb->vb2_queue;
950 struct s5p_mfc_ctx *ctx = fh_to_ctx(vq->drv_priv);
951 unsigned int i;
952
953 if (vq->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
954 if (ctx->capture_state == QUEUE_BUFS_MMAPED)
955 return 0;
956 for (i = 0; i < ctx->dst_fmt->num_planes; i++) {
957 if (IS_ERR_OR_NULL(ERR_PTR(
958 vb2_dma_contig_plane_dma_addr(vb, i)))) {
959 mfc_err("Plane mem not allocated\n");
960 return -EINVAL;
961 }
962 }
963 if (vb2_plane_size(vb, 0) < ctx->luma_size ||
964 vb2_plane_size(vb, 1) < ctx->chroma_size) {
965 mfc_err("Plane buffer (CAPTURE) is too small\n");
966 return -EINVAL;
967 }
968 i = vb->v4l2_buf.index;
969 ctx->dst_bufs[i].b = vb;
970 ctx->dst_bufs[i].cookie.raw.luma =
971 vb2_dma_contig_plane_dma_addr(vb, 0);
972 ctx->dst_bufs[i].cookie.raw.chroma =
973 vb2_dma_contig_plane_dma_addr(vb, 1);
974 ctx->dst_bufs_cnt++;
975 } else if (vq->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
976 if (IS_ERR_OR_NULL(ERR_PTR(
977 vb2_dma_contig_plane_dma_addr(vb, 0)))) {
978 mfc_err("Plane memory not allocated\n");
979 return -EINVAL;
980 }
981 if (vb2_plane_size(vb, 0) < ctx->dec_src_buf_size) {
982 mfc_err("Plane buffer (OUTPUT) is too small\n");
983 return -EINVAL;
984 }
985
986 i = vb->v4l2_buf.index;
987 ctx->src_bufs[i].b = vb;
988 ctx->src_bufs[i].cookie.stream =
989 vb2_dma_contig_plane_dma_addr(vb, 0);
990 ctx->src_bufs_cnt++;
991 } else {
992 mfc_err("s5p_mfc_buf_init: unknown queue type\n");
993 return -EINVAL;
994 }
995 return 0;
996 }
997
998 static int s5p_mfc_start_streaming(struct vb2_queue *q, unsigned int count)
999 {
1000 struct s5p_mfc_ctx *ctx = fh_to_ctx(q->drv_priv);
1001 struct s5p_mfc_dev *dev = ctx->dev;
1002
1003 v4l2_ctrl_handler_setup(&ctx->ctrl_handler);
1004 if (ctx->state == MFCINST_FINISHING ||
1005 ctx->state == MFCINST_FINISHED)
1006 ctx->state = MFCINST_RUNNING;
1007 /* If context is ready then dev = work->data;schedule it to run */
1008 if (s5p_mfc_ctx_ready(ctx))
1009 set_work_bit_irqsave(ctx);
1010 s5p_mfc_hw_call_void(dev->mfc_ops, try_run, dev);
1011 return 0;
1012 }
1013
1014 static void s5p_mfc_stop_streaming(struct vb2_queue *q)
1015 {
1016 unsigned long flags;
1017 struct s5p_mfc_ctx *ctx = fh_to_ctx(q->drv_priv);
1018 struct s5p_mfc_dev *dev = ctx->dev;
1019 int aborted = 0;
1020
1021 if ((ctx->state == MFCINST_FINISHING ||
1022 ctx->state == MFCINST_RUNNING) &&
1023 dev->curr_ctx == ctx->num && dev->hw_lock) {
1024 ctx->state = MFCINST_ABORT;
1025 s5p_mfc_wait_for_done_ctx(ctx,
1026 S5P_MFC_R2H_CMD_FRAME_DONE_RET, 0);
1027 aborted = 1;
1028 }
1029 if (q->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
1030 spin_lock_irqsave(&dev->irqlock, flags);
1031 s5p_mfc_hw_call_void(dev->mfc_ops, cleanup_queue,
1032 &ctx->dst_queue, &ctx->vq_dst);
1033 INIT_LIST_HEAD(&ctx->dst_queue);
1034 ctx->dst_queue_cnt = 0;
1035 ctx->dpb_flush_flag = 1;
1036 ctx->dec_dst_flag = 0;
1037 spin_unlock_irqrestore(&dev->irqlock, flags);
1038 if (IS_MFCV6_PLUS(dev) && (ctx->state == MFCINST_RUNNING)) {
1039 ctx->state = MFCINST_FLUSH;
1040 set_work_bit_irqsave(ctx);
1041 s5p_mfc_hw_call_void(dev->mfc_ops, try_run, dev);
1042 if (s5p_mfc_wait_for_done_ctx(ctx,
1043 S5P_MFC_R2H_CMD_DPB_FLUSH_RET, 0))
1044 mfc_err("Err flushing buffers\n");
1045 }
1046 }
1047 if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
1048 spin_lock_irqsave(&dev->irqlock, flags);
1049 s5p_mfc_hw_call_void(dev->mfc_ops, cleanup_queue,
1050 &ctx->src_queue, &ctx->vq_src);
1051 INIT_LIST_HEAD(&ctx->src_queue);
1052 ctx->src_queue_cnt = 0;
1053 spin_unlock_irqrestore(&dev->irqlock, flags);
1054 }
1055 if (aborted)
1056 ctx->state = MFCINST_RUNNING;
1057 }
1058
1059
1060 static void s5p_mfc_buf_queue(struct vb2_buffer *vb)
1061 {
1062 struct vb2_queue *vq = vb->vb2_queue;
1063 struct s5p_mfc_ctx *ctx = fh_to_ctx(vq->drv_priv);
1064 struct s5p_mfc_dev *dev = ctx->dev;
1065 unsigned long flags;
1066 struct s5p_mfc_buf *mfc_buf;
1067
1068 if (vq->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
1069 mfc_buf = &ctx->src_bufs[vb->v4l2_buf.index];
1070 mfc_buf->flags &= ~MFC_BUF_FLAG_USED;
1071 spin_lock_irqsave(&dev->irqlock, flags);
1072 list_add_tail(&mfc_buf->list, &ctx->src_queue);
1073 ctx->src_queue_cnt++;
1074 spin_unlock_irqrestore(&dev->irqlock, flags);
1075 } else if (vq->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
1076 mfc_buf = &ctx->dst_bufs[vb->v4l2_buf.index];
1077 mfc_buf->flags &= ~MFC_BUF_FLAG_USED;
1078 /* Mark destination as available for use by MFC */
1079 spin_lock_irqsave(&dev->irqlock, flags);
1080 set_bit(vb->v4l2_buf.index, &ctx->dec_dst_flag);
1081 list_add_tail(&mfc_buf->list, &ctx->dst_queue);
1082 ctx->dst_queue_cnt++;
1083 spin_unlock_irqrestore(&dev->irqlock, flags);
1084 } else {
1085 mfc_err("Unsupported buffer type (%d)\n", vq->type);
1086 }
1087 if (s5p_mfc_ctx_ready(ctx))
1088 set_work_bit_irqsave(ctx);
1089 s5p_mfc_hw_call_void(dev->mfc_ops, try_run, dev);
1090 }
1091
1092 static struct vb2_ops s5p_mfc_dec_qops = {
1093 .queue_setup = s5p_mfc_queue_setup,
1094 .wait_prepare = vb2_ops_wait_prepare,
1095 .wait_finish = vb2_ops_wait_finish,
1096 .buf_init = s5p_mfc_buf_init,
1097 .start_streaming = s5p_mfc_start_streaming,
1098 .stop_streaming = s5p_mfc_stop_streaming,
1099 .buf_queue = s5p_mfc_buf_queue,
1100 };
1101
1102 struct s5p_mfc_codec_ops *get_dec_codec_ops(void)
1103 {
1104 return &decoder_codec_ops;
1105 }
1106
1107 struct vb2_ops *get_dec_queue_ops(void)
1108 {
1109 return &s5p_mfc_dec_qops;
1110 }
1111
1112 const struct v4l2_ioctl_ops *get_dec_v4l2_ioctl_ops(void)
1113 {
1114 return &s5p_mfc_dec_ioctl_ops;
1115 }
1116
1117 #define IS_MFC51_PRIV(x) ((V4L2_CTRL_ID2CLASS(x) == V4L2_CTRL_CLASS_MPEG) \
1118 && V4L2_CTRL_DRIVER_PRIV(x))
1119
1120 int s5p_mfc_dec_ctrls_setup(struct s5p_mfc_ctx *ctx)
1121 {
1122 struct v4l2_ctrl_config cfg;
1123 int i;
1124
1125 v4l2_ctrl_handler_init(&ctx->ctrl_handler, NUM_CTRLS);
1126 if (ctx->ctrl_handler.error) {
1127 mfc_err("v4l2_ctrl_handler_init failed\n");
1128 return ctx->ctrl_handler.error;
1129 }
1130
1131 for (i = 0; i < NUM_CTRLS; i++) {
1132 if (IS_MFC51_PRIV(controls[i].id)) {
1133 memset(&cfg, 0, sizeof(struct v4l2_ctrl_config));
1134 cfg.ops = &s5p_mfc_dec_ctrl_ops;
1135 cfg.id = controls[i].id;
1136 cfg.min = controls[i].minimum;
1137 cfg.max = controls[i].maximum;
1138 cfg.def = controls[i].default_value;
1139 cfg.name = controls[i].name;
1140 cfg.type = controls[i].type;
1141
1142 cfg.step = controls[i].step;
1143 cfg.menu_skip_mask = 0;
1144
1145 ctx->ctrls[i] = v4l2_ctrl_new_custom(&ctx->ctrl_handler,
1146 &cfg, NULL);
1147 } else {
1148 ctx->ctrls[i] = v4l2_ctrl_new_std(&ctx->ctrl_handler,
1149 &s5p_mfc_dec_ctrl_ops,
1150 controls[i].id, controls[i].minimum,
1151 controls[i].maximum, controls[i].step,
1152 controls[i].default_value);
1153 }
1154 if (ctx->ctrl_handler.error) {
1155 mfc_err("Adding control (%d) failed\n", i);
1156 return ctx->ctrl_handler.error;
1157 }
1158 if (controls[i].is_volatile && ctx->ctrls[i])
1159 ctx->ctrls[i]->flags |= V4L2_CTRL_FLAG_VOLATILE;
1160 }
1161 return 0;
1162 }
1163
1164 void s5p_mfc_dec_ctrls_delete(struct s5p_mfc_ctx *ctx)
1165 {
1166 int i;
1167
1168 v4l2_ctrl_handler_free(&ctx->ctrl_handler);
1169 for (i = 0; i < NUM_CTRLS; i++)
1170 ctx->ctrls[i] = NULL;
1171 }
1172
1173 void s5p_mfc_dec_init(struct s5p_mfc_ctx *ctx)
1174 {
1175 struct v4l2_format f;
1176 f.fmt.pix_mp.pixelformat = V4L2_PIX_FMT_H264;
1177 ctx->src_fmt = find_format(&f, MFC_FMT_DEC);
1178 if (IS_MFCV8(ctx->dev))
1179 f.fmt.pix_mp.pixelformat = V4L2_PIX_FMT_NV12M;
1180 else if (IS_MFCV6_PLUS(ctx->dev))
1181 f.fmt.pix_mp.pixelformat = V4L2_PIX_FMT_NV12MT_16X16;
1182 else
1183 f.fmt.pix_mp.pixelformat = V4L2_PIX_FMT_NV12MT;
1184 ctx->dst_fmt = find_format(&f, MFC_FMT_RAW);
1185 mfc_debug(2, "Default src_fmt is %p, dest_fmt is %p\n",
1186 ctx->src_fmt, ctx->dst_fmt);
1187 }
1188
Linux kernel - Deliverables
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