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_V6PLUS_BITS,
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_V6PLUS_BITS,
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_V5PLUS_BITS,
74 },
75 {
76 .name = "H264/MVC Encoded Stream",
77 .fourcc = V4L2_PIX_FMT_H264_MVC,
78 .codec_mode = S5P_MFC_CODEC_H264_MVC_DEC,
79 .type = MFC_FMT_DEC,
80 .num_planes = 1,
81 .versions = MFC_V6PLUS_BITS,
82 },
83 {
84 .name = "H263 Encoded Stream",
85 .fourcc = V4L2_PIX_FMT_H263,
86 .codec_mode = S5P_MFC_CODEC_H263_DEC,
87 .type = MFC_FMT_DEC,
88 .num_planes = 1,
89 .versions = MFC_V5PLUS_BITS,
90 },
91 {
92 .name = "MPEG1 Encoded Stream",
93 .fourcc = V4L2_PIX_FMT_MPEG1,
94 .codec_mode = S5P_MFC_CODEC_MPEG2_DEC,
95 .type = MFC_FMT_DEC,
96 .num_planes = 1,
97 .versions = MFC_V5PLUS_BITS,
98 },
99 {
100 .name = "MPEG2 Encoded Stream",
101 .fourcc = V4L2_PIX_FMT_MPEG2,
102 .codec_mode = S5P_MFC_CODEC_MPEG2_DEC,
103 .type = MFC_FMT_DEC,
104 .num_planes = 1,
105 .versions = MFC_V5PLUS_BITS,
106 },
107 {
108 .name = "MPEG4 Encoded Stream",
109 .fourcc = V4L2_PIX_FMT_MPEG4,
110 .codec_mode = S5P_MFC_CODEC_MPEG4_DEC,
111 .type = MFC_FMT_DEC,
112 .num_planes = 1,
113 .versions = MFC_V5PLUS_BITS,
114 },
115 {
116 .name = "XviD Encoded Stream",
117 .fourcc = V4L2_PIX_FMT_XVID,
118 .codec_mode = S5P_MFC_CODEC_MPEG4_DEC,
119 .type = MFC_FMT_DEC,
120 .num_planes = 1,
121 .versions = MFC_V5PLUS_BITS,
122 },
123 {
124 .name = "VC1 Encoded Stream",
125 .fourcc = V4L2_PIX_FMT_VC1_ANNEX_G,
126 .codec_mode = S5P_MFC_CODEC_VC1_DEC,
127 .type = MFC_FMT_DEC,
128 .num_planes = 1,
129 .versions = MFC_V5PLUS_BITS,
130 },
131 {
132 .name = "VC1 RCV Encoded Stream",
133 .fourcc = V4L2_PIX_FMT_VC1_ANNEX_L,
134 .codec_mode = S5P_MFC_CODEC_VC1RCV_DEC,
135 .type = MFC_FMT_DEC,
136 .num_planes = 1,
137 .versions = MFC_V5PLUS_BITS,
138 },
139 {
140 .name = "VP8 Encoded Stream",
141 .fourcc = V4L2_PIX_FMT_VP8,
142 .codec_mode = S5P_MFC_CODEC_VP8_DEC,
143 .type = MFC_FMT_DEC,
144 .num_planes = 1,
145 .versions = MFC_V6PLUS_BITS,
146 },
147 {
148 .fourcc = V4L2_PIX_FMT_HEVC,
149 .codec_mode = S5P_FIMV_CODEC_HEVC_DEC,
150 .type = MFC_FMT_DEC,
151 .num_planes = 1,
152 .versions = MFC_V10_BIT,
153 },
154 {
155 .fourcc = V4L2_PIX_FMT_VP9,
156 .codec_mode = S5P_FIMV_CODEC_VP9_DEC,
157 .type = MFC_FMT_DEC,
158 .num_planes = 1,
159 .versions = MFC_V10_BIT,
160 },
161 };
162
163 #define NUM_FORMATS ARRAY_SIZE(formats)
164
165 /* Find selected format description */
find_format(struct v4l2_format * f,unsigned int t)166 static struct s5p_mfc_fmt *find_format(struct v4l2_format *f, unsigned int t)
167 {
168 unsigned int i;
169
170 for (i = 0; i < NUM_FORMATS; i++) {
171 if (formats[i].fourcc == f->fmt.pix_mp.pixelformat &&
172 formats[i].type == t)
173 return &formats[i];
174 }
175 return NULL;
176 }
177
178 static struct mfc_control controls[] = {
179 {
180 .id = V4L2_CID_MPEG_MFC51_VIDEO_DECODER_H264_DISPLAY_DELAY,
181 .type = V4L2_CTRL_TYPE_INTEGER,
182 .name = "H264 Display Delay",
183 .minimum = 0,
184 .maximum = 16383,
185 .step = 1,
186 .default_value = 0,
187 },
188 {
189 .id = V4L2_CID_MPEG_MFC51_VIDEO_DECODER_H264_DISPLAY_DELAY_ENABLE,
190 .type = V4L2_CTRL_TYPE_BOOLEAN,
191 .name = "H264 Display Delay Enable",
192 .minimum = 0,
193 .maximum = 1,
194 .step = 1,
195 .default_value = 0,
196 },
197 {
198 .id = V4L2_CID_MPEG_VIDEO_DECODER_MPEG4_DEBLOCK_FILTER,
199 .type = V4L2_CTRL_TYPE_BOOLEAN,
200 .name = "Mpeg4 Loop Filter Enable",
201 .minimum = 0,
202 .maximum = 1,
203 .step = 1,
204 .default_value = 0,
205 },
206 {
207 .id = V4L2_CID_MPEG_VIDEO_DECODER_SLICE_INTERFACE,
208 .type = V4L2_CTRL_TYPE_BOOLEAN,
209 .name = "Slice Interface Enable",
210 .minimum = 0,
211 .maximum = 1,
212 .step = 1,
213 .default_value = 0,
214 },
215 {
216 .id = V4L2_CID_MIN_BUFFERS_FOR_CAPTURE,
217 .type = V4L2_CTRL_TYPE_INTEGER,
218 .name = "Minimum number of cap bufs",
219 .minimum = 1,
220 .maximum = 32,
221 .step = 1,
222 .default_value = 1,
223 .is_volatile = 1,
224 },
225 };
226
227 #define NUM_CTRLS ARRAY_SIZE(controls)
228
229 /* Check whether a context should be run on hardware */
s5p_mfc_ctx_ready(struct s5p_mfc_ctx * ctx)230 static int s5p_mfc_ctx_ready(struct s5p_mfc_ctx *ctx)
231 {
232 /* Context is to parse header */
233 if (ctx->src_queue_cnt >= 1 && ctx->state == MFCINST_GOT_INST)
234 return 1;
235 /* Context is to decode a frame */
236 if (ctx->src_queue_cnt >= 1 &&
237 ctx->state == MFCINST_RUNNING &&
238 ctx->dst_queue_cnt >= ctx->pb_count)
239 return 1;
240 /* Context is to return last frame */
241 if (ctx->state == MFCINST_FINISHING &&
242 ctx->dst_queue_cnt >= ctx->pb_count)
243 return 1;
244 /* Context is to set buffers */
245 if (ctx->src_queue_cnt >= 1 &&
246 ctx->state == MFCINST_HEAD_PARSED &&
247 ctx->capture_state == QUEUE_BUFS_MMAPED)
248 return 1;
249 /* Resolution change */
250 if ((ctx->state == MFCINST_RES_CHANGE_INIT ||
251 ctx->state == MFCINST_RES_CHANGE_FLUSH) &&
252 ctx->dst_queue_cnt >= ctx->pb_count)
253 return 1;
254 if (ctx->state == MFCINST_RES_CHANGE_END &&
255 ctx->src_queue_cnt >= 1)
256 return 1;
257 mfc_debug(2, "ctx is not ready\n");
258 return 0;
259 }
260
261 static const struct s5p_mfc_codec_ops decoder_codec_ops = {
262 .pre_seq_start = NULL,
263 .post_seq_start = NULL,
264 .pre_frame_start = NULL,
265 .post_frame_start = NULL,
266 };
267
268 /* Query capabilities of the device */
vidioc_querycap(struct file * file,void * priv,struct v4l2_capability * cap)269 static int vidioc_querycap(struct file *file, void *priv,
270 struct v4l2_capability *cap)
271 {
272 struct s5p_mfc_dev *dev = video_drvdata(file);
273
274 strlcpy(cap->driver, S5P_MFC_NAME, sizeof(cap->driver));
275 strlcpy(cap->card, dev->vfd_dec->name, sizeof(cap->card));
276 snprintf(cap->bus_info, sizeof(cap->bus_info), "platform:%s",
277 dev_name(&dev->plat_dev->dev));
278 /*
279 * This is only a mem-to-mem video device. The capture and output
280 * device capability flags are left only for backward compatibility
281 * and are scheduled for removal.
282 */
283 cap->device_caps = V4L2_CAP_VIDEO_M2M_MPLANE | V4L2_CAP_STREAMING;
284 cap->capabilities = cap->device_caps | V4L2_CAP_DEVICE_CAPS;
285 return 0;
286 }
287
288 /* Enumerate format */
vidioc_enum_fmt(struct file * file,struct v4l2_fmtdesc * f,bool out)289 static int vidioc_enum_fmt(struct file *file, struct v4l2_fmtdesc *f,
290 bool out)
291 {
292 struct s5p_mfc_dev *dev = video_drvdata(file);
293 struct s5p_mfc_fmt *fmt;
294 int i, j = 0;
295
296 for (i = 0; i < ARRAY_SIZE(formats); ++i) {
297 if (out && formats[i].type != MFC_FMT_DEC)
298 continue;
299 else if (!out && formats[i].type != MFC_FMT_RAW)
300 continue;
301 else if ((dev->variant->version_bit & formats[i].versions) == 0)
302 continue;
303
304 if (j == f->index)
305 break;
306 ++j;
307 }
308 if (i == ARRAY_SIZE(formats))
309 return -EINVAL;
310 fmt = &formats[i];
311 strlcpy(f->description, fmt->name, sizeof(f->description));
312 f->pixelformat = fmt->fourcc;
313 return 0;
314 }
315
vidioc_enum_fmt_vid_cap_mplane(struct file * file,void * pirv,struct v4l2_fmtdesc * f)316 static int vidioc_enum_fmt_vid_cap_mplane(struct file *file, void *pirv,
317 struct v4l2_fmtdesc *f)
318 {
319 return vidioc_enum_fmt(file, f, false);
320 }
321
vidioc_enum_fmt_vid_out_mplane(struct file * file,void * priv,struct v4l2_fmtdesc * f)322 static int vidioc_enum_fmt_vid_out_mplane(struct file *file, void *priv,
323 struct v4l2_fmtdesc *f)
324 {
325 return vidioc_enum_fmt(file, f, true);
326 }
327
328 /* Get format */
vidioc_g_fmt(struct file * file,void * priv,struct v4l2_format * f)329 static int vidioc_g_fmt(struct file *file, void *priv, struct v4l2_format *f)
330 {
331 struct s5p_mfc_ctx *ctx = fh_to_ctx(priv);
332 struct v4l2_pix_format_mplane *pix_mp;
333
334 mfc_debug_enter();
335 pix_mp = &f->fmt.pix_mp;
336 if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE &&
337 (ctx->state == MFCINST_GOT_INST || ctx->state ==
338 MFCINST_RES_CHANGE_END)) {
339 /* If the MFC is parsing the header,
340 * so wait until it is finished */
341 s5p_mfc_wait_for_done_ctx(ctx, S5P_MFC_R2H_CMD_SEQ_DONE_RET,
342 0);
343 }
344 if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE &&
345 ctx->state >= MFCINST_HEAD_PARSED &&
346 ctx->state < MFCINST_ABORT) {
347 /* This is run on CAPTURE (decode output) */
348 /* Width and height are set to the dimensions
349 of the movie, the buffer is bigger and
350 further processing stages should crop to this
351 rectangle. */
352 pix_mp->width = ctx->buf_width;
353 pix_mp->height = ctx->buf_height;
354 pix_mp->field = V4L2_FIELD_NONE;
355 pix_mp->num_planes = 2;
356 /* Set pixelformat to the format in which MFC
357 outputs the decoded frame */
358 pix_mp->pixelformat = ctx->dst_fmt->fourcc;
359 pix_mp->plane_fmt[0].bytesperline = ctx->buf_width;
360 pix_mp->plane_fmt[0].sizeimage = ctx->luma_size;
361 pix_mp->plane_fmt[1].bytesperline = ctx->buf_width;
362 pix_mp->plane_fmt[1].sizeimage = ctx->chroma_size;
363 } else if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
364 /* This is run on OUTPUT
365 The buffer contains compressed image
366 so width and height have no meaning */
367 pix_mp->width = 0;
368 pix_mp->height = 0;
369 pix_mp->field = V4L2_FIELD_NONE;
370 pix_mp->plane_fmt[0].bytesperline = ctx->dec_src_buf_size;
371 pix_mp->plane_fmt[0].sizeimage = ctx->dec_src_buf_size;
372 pix_mp->pixelformat = ctx->src_fmt->fourcc;
373 pix_mp->num_planes = ctx->src_fmt->num_planes;
374 } else {
375 mfc_err("Format could not be read\n");
376 mfc_debug(2, "%s-- with error\n", __func__);
377 return -EINVAL;
378 }
379 mfc_debug_leave();
380 return 0;
381 }
382
383 /* Try format */
vidioc_try_fmt(struct file * file,void * priv,struct v4l2_format * f)384 static int vidioc_try_fmt(struct file *file, void *priv, struct v4l2_format *f)
385 {
386 struct s5p_mfc_dev *dev = video_drvdata(file);
387 struct s5p_mfc_fmt *fmt;
388
389 mfc_debug(2, "Type is %d\n", f->type);
390 if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
391 fmt = find_format(f, MFC_FMT_DEC);
392 if (!fmt) {
393 mfc_err("Unsupported format for source.\n");
394 return -EINVAL;
395 }
396 if (fmt->codec_mode == S5P_FIMV_CODEC_NONE) {
397 mfc_err("Unknown codec\n");
398 return -EINVAL;
399 }
400 if ((dev->variant->version_bit & fmt->versions) == 0) {
401 mfc_err("Unsupported format by this MFC version.\n");
402 return -EINVAL;
403 }
404 } else if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
405 fmt = find_format(f, MFC_FMT_RAW);
406 if (!fmt) {
407 mfc_err("Unsupported format for destination.\n");
408 return -EINVAL;
409 }
410 if ((dev->variant->version_bit & fmt->versions) == 0) {
411 mfc_err("Unsupported format by this MFC version.\n");
412 return -EINVAL;
413 }
414 }
415
416 return 0;
417 }
418
419 /* Set format */
vidioc_s_fmt(struct file * file,void * priv,struct v4l2_format * f)420 static int vidioc_s_fmt(struct file *file, void *priv, struct v4l2_format *f)
421 {
422 struct s5p_mfc_dev *dev = video_drvdata(file);
423 struct s5p_mfc_ctx *ctx = fh_to_ctx(priv);
424 int ret = 0;
425 struct v4l2_pix_format_mplane *pix_mp;
426 struct s5p_mfc_buf_size *buf_size = dev->variant->buf_size;
427
428 mfc_debug_enter();
429 ret = vidioc_try_fmt(file, priv, f);
430 pix_mp = &f->fmt.pix_mp;
431 if (ret)
432 return ret;
433 if (vb2_is_streaming(&ctx->vq_src) || vb2_is_streaming(&ctx->vq_dst)) {
434 v4l2_err(&dev->v4l2_dev, "%s queue busy\n", __func__);
435 ret = -EBUSY;
436 goto out;
437 }
438 if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
439 /* dst_fmt is validated by call to vidioc_try_fmt */
440 ctx->dst_fmt = find_format(f, MFC_FMT_RAW);
441 ret = 0;
442 goto out;
443 } else if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
444 /* src_fmt is validated by call to vidioc_try_fmt */
445 ctx->src_fmt = find_format(f, MFC_FMT_DEC);
446 ctx->codec_mode = ctx->src_fmt->codec_mode;
447 mfc_debug(2, "The codec number is: %d\n", ctx->codec_mode);
448 pix_mp->height = 0;
449 pix_mp->width = 0;
450 if (pix_mp->plane_fmt[0].sizeimage == 0)
451 pix_mp->plane_fmt[0].sizeimage = ctx->dec_src_buf_size =
452 DEF_CPB_SIZE;
453 else if (pix_mp->plane_fmt[0].sizeimage > buf_size->cpb)
454 ctx->dec_src_buf_size = buf_size->cpb;
455 else
456 ctx->dec_src_buf_size = pix_mp->plane_fmt[0].sizeimage;
457 pix_mp->plane_fmt[0].bytesperline = 0;
458 ctx->state = MFCINST_INIT;
459 ret = 0;
460 goto out;
461 } else {
462 mfc_err("Wrong type error for S_FMT : %d", f->type);
463 ret = -EINVAL;
464 goto out;
465 }
466
467 out:
468 mfc_debug_leave();
469 return ret;
470 }
471
reqbufs_output(struct s5p_mfc_dev * dev,struct s5p_mfc_ctx * ctx,struct v4l2_requestbuffers * reqbufs)472 static int reqbufs_output(struct s5p_mfc_dev *dev, struct s5p_mfc_ctx *ctx,
473 struct v4l2_requestbuffers *reqbufs)
474 {
475 int ret = 0;
476
477 s5p_mfc_clock_on();
478
479 if (reqbufs->count == 0) {
480 mfc_debug(2, "Freeing buffers\n");
481 ret = vb2_reqbufs(&ctx->vq_src, reqbufs);
482 if (ret)
483 goto out;
484 ctx->src_bufs_cnt = 0;
485 ctx->output_state = QUEUE_FREE;
486 } else if (ctx->output_state == QUEUE_FREE) {
487 /* Can only request buffers when we have a valid format set. */
488 WARN_ON(ctx->src_bufs_cnt != 0);
489 if (ctx->state != MFCINST_INIT) {
490 mfc_err("Reqbufs called in an invalid state\n");
491 ret = -EINVAL;
492 goto out;
493 }
494
495 mfc_debug(2, "Allocating %d buffers for OUTPUT queue\n",
496 reqbufs->count);
497 ret = vb2_reqbufs(&ctx->vq_src, reqbufs);
498 if (ret)
499 goto out;
500
501 ret = s5p_mfc_open_mfc_inst(dev, ctx);
502 if (ret) {
503 reqbufs->count = 0;
504 vb2_reqbufs(&ctx->vq_src, reqbufs);
505 goto out;
506 }
507
508 ctx->output_state = QUEUE_BUFS_REQUESTED;
509 } else {
510 mfc_err("Buffers have already been requested\n");
511 ret = -EINVAL;
512 }
513 out:
514 s5p_mfc_clock_off();
515 if (ret)
516 mfc_err("Failed allocating buffers for OUTPUT queue\n");
517 return ret;
518 }
519
reqbufs_capture(struct s5p_mfc_dev * dev,struct s5p_mfc_ctx * ctx,struct v4l2_requestbuffers * reqbufs)520 static int reqbufs_capture(struct s5p_mfc_dev *dev, struct s5p_mfc_ctx *ctx,
521 struct v4l2_requestbuffers *reqbufs)
522 {
523 int ret = 0;
524
525 s5p_mfc_clock_on();
526
527 if (reqbufs->count == 0) {
528 mfc_debug(2, "Freeing buffers\n");
529 ret = vb2_reqbufs(&ctx->vq_dst, reqbufs);
530 if (ret)
531 goto out;
532 s5p_mfc_hw_call(dev->mfc_ops, release_codec_buffers, ctx);
533 ctx->dst_bufs_cnt = 0;
534 } else if (ctx->capture_state == QUEUE_FREE) {
535 WARN_ON(ctx->dst_bufs_cnt != 0);
536 mfc_debug(2, "Allocating %d buffers for CAPTURE queue\n",
537 reqbufs->count);
538 ret = vb2_reqbufs(&ctx->vq_dst, reqbufs);
539 if (ret)
540 goto out;
541
542 ctx->capture_state = QUEUE_BUFS_REQUESTED;
543 ctx->total_dpb_count = reqbufs->count;
544
545 ret = s5p_mfc_hw_call(dev->mfc_ops, alloc_codec_buffers, ctx);
546 if (ret) {
547 mfc_err("Failed to allocate decoding buffers\n");
548 reqbufs->count = 0;
549 vb2_reqbufs(&ctx->vq_dst, reqbufs);
550 ret = -ENOMEM;
551 ctx->capture_state = QUEUE_FREE;
552 goto out;
553 }
554
555 WARN_ON(ctx->dst_bufs_cnt != ctx->total_dpb_count);
556 ctx->capture_state = QUEUE_BUFS_MMAPED;
557
558 if (s5p_mfc_ctx_ready(ctx))
559 set_work_bit_irqsave(ctx);
560 s5p_mfc_hw_call(dev->mfc_ops, try_run, dev);
561 s5p_mfc_wait_for_done_ctx(ctx, S5P_MFC_R2H_CMD_INIT_BUFFERS_RET,
562 0);
563 } else {
564 mfc_err("Buffers have already been requested\n");
565 ret = -EINVAL;
566 }
567 out:
568 s5p_mfc_clock_off();
569 if (ret)
570 mfc_err("Failed allocating buffers for CAPTURE queue\n");
571 return ret;
572 }
573
574 /* Request buffers */
vidioc_reqbufs(struct file * file,void * priv,struct v4l2_requestbuffers * reqbufs)575 static int vidioc_reqbufs(struct file *file, void *priv,
576 struct v4l2_requestbuffers *reqbufs)
577 {
578 struct s5p_mfc_dev *dev = video_drvdata(file);
579 struct s5p_mfc_ctx *ctx = fh_to_ctx(priv);
580
581 if (reqbufs->memory != V4L2_MEMORY_MMAP) {
582 mfc_debug(2, "Only V4L2_MEMORY_MMAP is supported\n");
583 return -EINVAL;
584 }
585
586 if (reqbufs->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
587 return reqbufs_output(dev, ctx, reqbufs);
588 } else if (reqbufs->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
589 return reqbufs_capture(dev, ctx, reqbufs);
590 } else {
591 mfc_err("Invalid type requested\n");
592 return -EINVAL;
593 }
594 }
595
596 /* Query buffer */
vidioc_querybuf(struct file * file,void * priv,struct v4l2_buffer * buf)597 static int vidioc_querybuf(struct file *file, void *priv,
598 struct v4l2_buffer *buf)
599 {
600 struct s5p_mfc_ctx *ctx = fh_to_ctx(priv);
601 int ret;
602 int i;
603
604 if (buf->memory != V4L2_MEMORY_MMAP) {
605 mfc_err("Only mmaped buffers can be used\n");
606 return -EINVAL;
607 }
608 mfc_debug(2, "State: %d, buf->type: %d\n", ctx->state, buf->type);
609 if (ctx->state == MFCINST_GOT_INST &&
610 buf->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
611 ret = vb2_querybuf(&ctx->vq_src, buf);
612 } else if (ctx->state == MFCINST_RUNNING &&
613 buf->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
614 ret = vb2_querybuf(&ctx->vq_dst, buf);
615 for (i = 0; i < buf->length; i++)
616 buf->m.planes[i].m.mem_offset += DST_QUEUE_OFF_BASE;
617 } else {
618 mfc_err("vidioc_querybuf called in an inappropriate state\n");
619 ret = -EINVAL;
620 }
621 mfc_debug_leave();
622 return ret;
623 }
624
625 /* Queue a buffer */
vidioc_qbuf(struct file * file,void * priv,struct v4l2_buffer * buf)626 static int vidioc_qbuf(struct file *file, void *priv, struct v4l2_buffer *buf)
627 {
628 struct s5p_mfc_ctx *ctx = fh_to_ctx(priv);
629
630 if (ctx->state == MFCINST_ERROR) {
631 mfc_err("Call on QBUF after unrecoverable error\n");
632 return -EIO;
633 }
634 if (buf->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
635 return vb2_qbuf(&ctx->vq_src, buf);
636 else if (buf->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE)
637 return vb2_qbuf(&ctx->vq_dst, buf);
638 return -EINVAL;
639 }
640
641 /* Dequeue a buffer */
vidioc_dqbuf(struct file * file,void * priv,struct v4l2_buffer * buf)642 static int vidioc_dqbuf(struct file *file, void *priv, struct v4l2_buffer *buf)
643 {
644 const struct v4l2_event ev = {
645 .type = V4L2_EVENT_EOS
646 };
647 struct s5p_mfc_ctx *ctx = fh_to_ctx(priv);
648 int ret;
649
650 if (ctx->state == MFCINST_ERROR) {
651 mfc_err_limited("Call on DQBUF after unrecoverable error\n");
652 return -EIO;
653 }
654
655 switch (buf->type) {
656 case V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE:
657 return vb2_dqbuf(&ctx->vq_src, buf, file->f_flags & O_NONBLOCK);
658 case V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE:
659 ret = vb2_dqbuf(&ctx->vq_dst, buf, file->f_flags & O_NONBLOCK);
660 if (ret)
661 return ret;
662
663 if (ctx->state == MFCINST_FINISHED &&
664 (ctx->dst_bufs[buf->index].flags & MFC_BUF_FLAG_EOS))
665 v4l2_event_queue_fh(&ctx->fh, &ev);
666 return 0;
667 default:
668 return -EINVAL;
669 }
670 }
671
672 /* Export DMA buffer */
vidioc_expbuf(struct file * file,void * priv,struct v4l2_exportbuffer * eb)673 static int vidioc_expbuf(struct file *file, void *priv,
674 struct v4l2_exportbuffer *eb)
675 {
676 struct s5p_mfc_ctx *ctx = fh_to_ctx(priv);
677
678 if (eb->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
679 return vb2_expbuf(&ctx->vq_src, eb);
680 if (eb->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE)
681 return vb2_expbuf(&ctx->vq_dst, eb);
682 return -EINVAL;
683 }
684
685 /* Stream on */
vidioc_streamon(struct file * file,void * priv,enum v4l2_buf_type type)686 static int vidioc_streamon(struct file *file, void *priv,
687 enum v4l2_buf_type type)
688 {
689 struct s5p_mfc_ctx *ctx = fh_to_ctx(priv);
690 int ret = -EINVAL;
691
692 mfc_debug_enter();
693 if (type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
694 ret = vb2_streamon(&ctx->vq_src, type);
695 else if (type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE)
696 ret = vb2_streamon(&ctx->vq_dst, type);
697 mfc_debug_leave();
698 return ret;
699 }
700
701 /* Stream off, which equals to a pause */
vidioc_streamoff(struct file * file,void * priv,enum v4l2_buf_type type)702 static int vidioc_streamoff(struct file *file, void *priv,
703 enum v4l2_buf_type type)
704 {
705 struct s5p_mfc_ctx *ctx = fh_to_ctx(priv);
706
707 if (type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
708 return vb2_streamoff(&ctx->vq_src, type);
709 else if (type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE)
710 return vb2_streamoff(&ctx->vq_dst, type);
711 return -EINVAL;
712 }
713
714 /* Set controls - v4l2 control framework */
s5p_mfc_dec_s_ctrl(struct v4l2_ctrl * ctrl)715 static int s5p_mfc_dec_s_ctrl(struct v4l2_ctrl *ctrl)
716 {
717 struct s5p_mfc_ctx *ctx = ctrl_to_ctx(ctrl);
718
719 switch (ctrl->id) {
720 case V4L2_CID_MPEG_MFC51_VIDEO_DECODER_H264_DISPLAY_DELAY:
721 ctx->display_delay = ctrl->val;
722 break;
723 case V4L2_CID_MPEG_MFC51_VIDEO_DECODER_H264_DISPLAY_DELAY_ENABLE:
724 ctx->display_delay_enable = ctrl->val;
725 break;
726 case V4L2_CID_MPEG_VIDEO_DECODER_MPEG4_DEBLOCK_FILTER:
727 ctx->loop_filter_mpeg4 = ctrl->val;
728 break;
729 case V4L2_CID_MPEG_VIDEO_DECODER_SLICE_INTERFACE:
730 ctx->slice_interface = ctrl->val;
731 break;
732 default:
733 mfc_err("Invalid control 0x%08x\n", ctrl->id);
734 return -EINVAL;
735 }
736 return 0;
737 }
738
s5p_mfc_dec_g_v_ctrl(struct v4l2_ctrl * ctrl)739 static int s5p_mfc_dec_g_v_ctrl(struct v4l2_ctrl *ctrl)
740 {
741 struct s5p_mfc_ctx *ctx = ctrl_to_ctx(ctrl);
742 struct s5p_mfc_dev *dev = ctx->dev;
743
744 switch (ctrl->id) {
745 case V4L2_CID_MIN_BUFFERS_FOR_CAPTURE:
746 if (ctx->state >= MFCINST_HEAD_PARSED &&
747 ctx->state < MFCINST_ABORT) {
748 ctrl->val = ctx->pb_count;
749 break;
750 } else if (ctx->state != MFCINST_INIT &&
751 ctx->state != MFCINST_RES_CHANGE_END) {
752 v4l2_err(&dev->v4l2_dev, "Decoding not initialised\n");
753 return -EINVAL;
754 }
755 /* Should wait for the header to be parsed */
756 s5p_mfc_wait_for_done_ctx(ctx,
757 S5P_MFC_R2H_CMD_SEQ_DONE_RET, 0);
758 if (ctx->state >= MFCINST_HEAD_PARSED &&
759 ctx->state < MFCINST_ABORT) {
760 ctrl->val = ctx->pb_count;
761 } else {
762 v4l2_err(&dev->v4l2_dev, "Decoding not initialised\n");
763 return -EINVAL;
764 }
765 break;
766 }
767 return 0;
768 }
769
770
771 static const struct v4l2_ctrl_ops s5p_mfc_dec_ctrl_ops = {
772 .s_ctrl = s5p_mfc_dec_s_ctrl,
773 .g_volatile_ctrl = s5p_mfc_dec_g_v_ctrl,
774 };
775
776 /* Get cropping information */
vidioc_g_crop(struct file * file,void * priv,struct v4l2_crop * cr)777 static int vidioc_g_crop(struct file *file, void *priv,
778 struct v4l2_crop *cr)
779 {
780 struct s5p_mfc_ctx *ctx = fh_to_ctx(priv);
781 struct s5p_mfc_dev *dev = ctx->dev;
782 u32 left, right, top, bottom;
783
784 if (ctx->state != MFCINST_HEAD_PARSED &&
785 ctx->state != MFCINST_RUNNING &&
786 ctx->state != MFCINST_FINISHING &&
787 ctx->state != MFCINST_FINISHED) {
788 mfc_err("Can not get crop information\n");
789 return -EINVAL;
790 }
791 if (ctx->src_fmt->fourcc == V4L2_PIX_FMT_H264) {
792 left = s5p_mfc_hw_call(dev->mfc_ops, get_crop_info_h, ctx);
793 right = left >> S5P_FIMV_SHARED_CROP_RIGHT_SHIFT;
794 left = left & S5P_FIMV_SHARED_CROP_LEFT_MASK;
795 top = s5p_mfc_hw_call(dev->mfc_ops, get_crop_info_v, ctx);
796 bottom = top >> S5P_FIMV_SHARED_CROP_BOTTOM_SHIFT;
797 top = top & S5P_FIMV_SHARED_CROP_TOP_MASK;
798 cr->c.left = left;
799 cr->c.top = top;
800 cr->c.width = ctx->img_width - left - right;
801 cr->c.height = ctx->img_height - top - bottom;
802 mfc_debug(2, "Cropping info [h264]: l=%d t=%d w=%d h=%d (r=%d b=%d fw=%d fh=%d\n",
803 left, top, cr->c.width, cr->c.height, right, bottom,
804 ctx->buf_width, ctx->buf_height);
805 } else {
806 cr->c.left = 0;
807 cr->c.top = 0;
808 cr->c.width = ctx->img_width;
809 cr->c.height = ctx->img_height;
810 mfc_debug(2, "Cropping info: w=%d h=%d fw=%d fh=%d\n",
811 cr->c.width, cr->c.height, ctx->buf_width,
812 ctx->buf_height);
813 }
814 return 0;
815 }
816
vidioc_decoder_cmd(struct file * file,void * priv,struct v4l2_decoder_cmd * cmd)817 static int vidioc_decoder_cmd(struct file *file, void *priv,
818 struct v4l2_decoder_cmd *cmd)
819 {
820 struct s5p_mfc_ctx *ctx = fh_to_ctx(priv);
821 struct s5p_mfc_dev *dev = ctx->dev;
822 struct s5p_mfc_buf *buf;
823 unsigned long flags;
824
825 switch (cmd->cmd) {
826 case V4L2_DEC_CMD_STOP:
827 if (cmd->flags != 0)
828 return -EINVAL;
829
830 if (!vb2_is_streaming(&ctx->vq_src))
831 return -EINVAL;
832
833 spin_lock_irqsave(&dev->irqlock, flags);
834 if (list_empty(&ctx->src_queue)) {
835 mfc_err("EOS: empty src queue, entering finishing state");
836 ctx->state = MFCINST_FINISHING;
837 if (s5p_mfc_ctx_ready(ctx))
838 set_work_bit_irqsave(ctx);
839 spin_unlock_irqrestore(&dev->irqlock, flags);
840 s5p_mfc_hw_call(dev->mfc_ops, try_run, dev);
841 } else {
842 mfc_err("EOS: marking last buffer of stream");
843 buf = list_entry(ctx->src_queue.prev,
844 struct s5p_mfc_buf, list);
845 if (buf->flags & MFC_BUF_FLAG_USED)
846 ctx->state = MFCINST_FINISHING;
847 else
848 buf->flags |= MFC_BUF_FLAG_EOS;
849 spin_unlock_irqrestore(&dev->irqlock, flags);
850 }
851 break;
852 default:
853 return -EINVAL;
854 }
855 return 0;
856 }
857
vidioc_subscribe_event(struct v4l2_fh * fh,const struct v4l2_event_subscription * sub)858 static int vidioc_subscribe_event(struct v4l2_fh *fh,
859 const struct v4l2_event_subscription *sub)
860 {
861 switch (sub->type) {
862 case V4L2_EVENT_EOS:
863 return v4l2_event_subscribe(fh, sub, 2, NULL);
864 case V4L2_EVENT_SOURCE_CHANGE:
865 return v4l2_src_change_event_subscribe(fh, sub);
866 default:
867 return -EINVAL;
868 }
869 }
870
871
872 /* v4l2_ioctl_ops */
873 static const struct v4l2_ioctl_ops s5p_mfc_dec_ioctl_ops = {
874 .vidioc_querycap = vidioc_querycap,
875 .vidioc_enum_fmt_vid_cap_mplane = vidioc_enum_fmt_vid_cap_mplane,
876 .vidioc_enum_fmt_vid_out_mplane = vidioc_enum_fmt_vid_out_mplane,
877 .vidioc_g_fmt_vid_cap_mplane = vidioc_g_fmt,
878 .vidioc_g_fmt_vid_out_mplane = vidioc_g_fmt,
879 .vidioc_try_fmt_vid_cap_mplane = vidioc_try_fmt,
880 .vidioc_try_fmt_vid_out_mplane = vidioc_try_fmt,
881 .vidioc_s_fmt_vid_cap_mplane = vidioc_s_fmt,
882 .vidioc_s_fmt_vid_out_mplane = vidioc_s_fmt,
883 .vidioc_reqbufs = vidioc_reqbufs,
884 .vidioc_querybuf = vidioc_querybuf,
885 .vidioc_qbuf = vidioc_qbuf,
886 .vidioc_dqbuf = vidioc_dqbuf,
887 .vidioc_expbuf = vidioc_expbuf,
888 .vidioc_streamon = vidioc_streamon,
889 .vidioc_streamoff = vidioc_streamoff,
890 .vidioc_g_crop = vidioc_g_crop,
891 .vidioc_decoder_cmd = vidioc_decoder_cmd,
892 .vidioc_subscribe_event = vidioc_subscribe_event,
893 .vidioc_unsubscribe_event = v4l2_event_unsubscribe,
894 };
895
s5p_mfc_queue_setup(struct vb2_queue * vq,unsigned int * buf_count,unsigned int * plane_count,unsigned int psize[],struct device * alloc_devs[])896 static int s5p_mfc_queue_setup(struct vb2_queue *vq,
897 unsigned int *buf_count,
898 unsigned int *plane_count, unsigned int psize[],
899 struct device *alloc_devs[])
900 {
901 struct s5p_mfc_ctx *ctx = fh_to_ctx(vq->drv_priv);
902 struct s5p_mfc_dev *dev = ctx->dev;
903
904 /* Video output for decoding (source)
905 * this can be set after getting an instance */
906 if (ctx->state == MFCINST_INIT &&
907 vq->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
908 /* A single plane is required for input */
909 *plane_count = 1;
910 if (*buf_count < 1)
911 *buf_count = 1;
912 if (*buf_count > MFC_MAX_BUFFERS)
913 *buf_count = MFC_MAX_BUFFERS;
914 /* Video capture for decoding (destination)
915 * this can be set after the header was parsed */
916 } else if (ctx->state == MFCINST_HEAD_PARSED &&
917 vq->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
918 /* Output plane count is 2 - one for Y and one for CbCr */
919 *plane_count = 2;
920 /* Setup buffer count */
921 if (*buf_count < ctx->pb_count)
922 *buf_count = ctx->pb_count;
923 if (*buf_count > ctx->pb_count + MFC_MAX_EXTRA_DPB)
924 *buf_count = ctx->pb_count + MFC_MAX_EXTRA_DPB;
925 if (*buf_count > MFC_MAX_BUFFERS)
926 *buf_count = MFC_MAX_BUFFERS;
927 } else {
928 mfc_err("State seems invalid. State = %d, vq->type = %d\n",
929 ctx->state, vq->type);
930 return -EINVAL;
931 }
932 mfc_debug(2, "Buffer count=%d, plane count=%d\n",
933 *buf_count, *plane_count);
934 if (ctx->state == MFCINST_HEAD_PARSED &&
935 vq->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
936 psize[0] = ctx->luma_size;
937 psize[1] = ctx->chroma_size;
938
939 if (IS_MFCV6_PLUS(dev))
940 alloc_devs[0] = ctx->dev->mem_dev[BANK_L_CTX];
941 else
942 alloc_devs[0] = ctx->dev->mem_dev[BANK_R_CTX];
943 alloc_devs[1] = ctx->dev->mem_dev[BANK_L_CTX];
944 } else if (vq->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE &&
945 ctx->state == MFCINST_INIT) {
946 psize[0] = ctx->dec_src_buf_size;
947 alloc_devs[0] = ctx->dev->mem_dev[BANK_L_CTX];
948 } else {
949 mfc_err("This video node is dedicated to decoding. Decoding not initialized\n");
950 return -EINVAL;
951 }
952 return 0;
953 }
954
s5p_mfc_buf_init(struct vb2_buffer * vb)955 static int s5p_mfc_buf_init(struct vb2_buffer *vb)
956 {
957 struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
958 struct vb2_queue *vq = vb->vb2_queue;
959 struct s5p_mfc_ctx *ctx = fh_to_ctx(vq->drv_priv);
960 unsigned int i;
961
962 if (vq->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
963 if (ctx->capture_state == QUEUE_BUFS_MMAPED)
964 return 0;
965 for (i = 0; i < ctx->dst_fmt->num_planes; i++) {
966 if (IS_ERR_OR_NULL(ERR_PTR(
967 vb2_dma_contig_plane_dma_addr(vb, i)))) {
968 mfc_err("Plane mem not allocated\n");
969 return -EINVAL;
970 }
971 }
972 if (vb2_plane_size(vb, 0) < ctx->luma_size ||
973 vb2_plane_size(vb, 1) < ctx->chroma_size) {
974 mfc_err("Plane buffer (CAPTURE) is too small\n");
975 return -EINVAL;
976 }
977 i = vb->index;
978 ctx->dst_bufs[i].b = vbuf;
979 ctx->dst_bufs[i].cookie.raw.luma =
980 vb2_dma_contig_plane_dma_addr(vb, 0);
981 ctx->dst_bufs[i].cookie.raw.chroma =
982 vb2_dma_contig_plane_dma_addr(vb, 1);
983 ctx->dst_bufs_cnt++;
984 } else if (vq->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
985 if (IS_ERR_OR_NULL(ERR_PTR(
986 vb2_dma_contig_plane_dma_addr(vb, 0)))) {
987 mfc_err("Plane memory not allocated\n");
988 return -EINVAL;
989 }
990 if (vb2_plane_size(vb, 0) < ctx->dec_src_buf_size) {
991 mfc_err("Plane buffer (OUTPUT) is too small\n");
992 return -EINVAL;
993 }
994
995 i = vb->index;
996 ctx->src_bufs[i].b = vbuf;
997 ctx->src_bufs[i].cookie.stream =
998 vb2_dma_contig_plane_dma_addr(vb, 0);
999 ctx->src_bufs_cnt++;
1000 } else {
1001 mfc_err("s5p_mfc_buf_init: unknown queue type\n");
1002 return -EINVAL;
1003 }
1004 return 0;
1005 }
1006
s5p_mfc_start_streaming(struct vb2_queue * q,unsigned int count)1007 static int s5p_mfc_start_streaming(struct vb2_queue *q, unsigned int count)
1008 {
1009 struct s5p_mfc_ctx *ctx = fh_to_ctx(q->drv_priv);
1010 struct s5p_mfc_dev *dev = ctx->dev;
1011
1012 v4l2_ctrl_handler_setup(&ctx->ctrl_handler);
1013 if (ctx->state == MFCINST_FINISHING ||
1014 ctx->state == MFCINST_FINISHED)
1015 ctx->state = MFCINST_RUNNING;
1016 /* If context is ready then dev = work->data;schedule it to run */
1017 if (s5p_mfc_ctx_ready(ctx))
1018 set_work_bit_irqsave(ctx);
1019 s5p_mfc_hw_call(dev->mfc_ops, try_run, dev);
1020 return 0;
1021 }
1022
s5p_mfc_stop_streaming(struct vb2_queue * q)1023 static void s5p_mfc_stop_streaming(struct vb2_queue *q)
1024 {
1025 unsigned long flags;
1026 struct s5p_mfc_ctx *ctx = fh_to_ctx(q->drv_priv);
1027 struct s5p_mfc_dev *dev = ctx->dev;
1028 int aborted = 0;
1029
1030 spin_lock_irqsave(&dev->irqlock, flags);
1031 if ((ctx->state == MFCINST_FINISHING ||
1032 ctx->state == MFCINST_RUNNING) &&
1033 dev->curr_ctx == ctx->num && dev->hw_lock) {
1034 ctx->state = MFCINST_ABORT;
1035 spin_unlock_irqrestore(&dev->irqlock, flags);
1036 s5p_mfc_wait_for_done_ctx(ctx,
1037 S5P_MFC_R2H_CMD_FRAME_DONE_RET, 0);
1038 aborted = 1;
1039 spin_lock_irqsave(&dev->irqlock, flags);
1040 }
1041 if (q->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
1042 s5p_mfc_cleanup_queue(&ctx->dst_queue, &ctx->vq_dst);
1043 INIT_LIST_HEAD(&ctx->dst_queue);
1044 ctx->dst_queue_cnt = 0;
1045 ctx->dpb_flush_flag = 1;
1046 ctx->dec_dst_flag = 0;
1047 if (IS_MFCV6_PLUS(dev) && (ctx->state == MFCINST_RUNNING)) {
1048 ctx->state = MFCINST_FLUSH;
1049 set_work_bit_irqsave(ctx);
1050 s5p_mfc_hw_call(dev->mfc_ops, try_run, dev);
1051 spin_unlock_irqrestore(&dev->irqlock, flags);
1052 if (s5p_mfc_wait_for_done_ctx(ctx,
1053 S5P_MFC_R2H_CMD_DPB_FLUSH_RET, 0))
1054 mfc_err("Err flushing buffers\n");
1055 spin_lock_irqsave(&dev->irqlock, flags);
1056 }
1057 } else if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
1058 s5p_mfc_cleanup_queue(&ctx->src_queue, &ctx->vq_src);
1059 INIT_LIST_HEAD(&ctx->src_queue);
1060 ctx->src_queue_cnt = 0;
1061 }
1062 if (aborted)
1063 ctx->state = MFCINST_RUNNING;
1064 spin_unlock_irqrestore(&dev->irqlock, flags);
1065 }
1066
1067
s5p_mfc_buf_queue(struct vb2_buffer * vb)1068 static void s5p_mfc_buf_queue(struct vb2_buffer *vb)
1069 {
1070 struct vb2_queue *vq = vb->vb2_queue;
1071 struct s5p_mfc_ctx *ctx = fh_to_ctx(vq->drv_priv);
1072 struct s5p_mfc_dev *dev = ctx->dev;
1073 unsigned long flags;
1074 struct s5p_mfc_buf *mfc_buf;
1075
1076 if (vq->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
1077 mfc_buf = &ctx->src_bufs[vb->index];
1078 mfc_buf->flags &= ~MFC_BUF_FLAG_USED;
1079 spin_lock_irqsave(&dev->irqlock, flags);
1080 list_add_tail(&mfc_buf->list, &ctx->src_queue);
1081 ctx->src_queue_cnt++;
1082 spin_unlock_irqrestore(&dev->irqlock, flags);
1083 } else if (vq->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
1084 mfc_buf = &ctx->dst_bufs[vb->index];
1085 mfc_buf->flags &= ~MFC_BUF_FLAG_USED;
1086 /* Mark destination as available for use by MFC */
1087 spin_lock_irqsave(&dev->irqlock, flags);
1088 set_bit(vb->index, &ctx->dec_dst_flag);
1089 list_add_tail(&mfc_buf->list, &ctx->dst_queue);
1090 ctx->dst_queue_cnt++;
1091 spin_unlock_irqrestore(&dev->irqlock, flags);
1092 } else {
1093 mfc_err("Unsupported buffer type (%d)\n", vq->type);
1094 }
1095 if (s5p_mfc_ctx_ready(ctx))
1096 set_work_bit_irqsave(ctx);
1097 s5p_mfc_hw_call(dev->mfc_ops, try_run, dev);
1098 }
1099
1100 static struct vb2_ops s5p_mfc_dec_qops = {
1101 .queue_setup = s5p_mfc_queue_setup,
1102 .wait_prepare = vb2_ops_wait_prepare,
1103 .wait_finish = vb2_ops_wait_finish,
1104 .buf_init = s5p_mfc_buf_init,
1105 .start_streaming = s5p_mfc_start_streaming,
1106 .stop_streaming = s5p_mfc_stop_streaming,
1107 .buf_queue = s5p_mfc_buf_queue,
1108 };
1109
get_dec_codec_ops(void)1110 const struct s5p_mfc_codec_ops *get_dec_codec_ops(void)
1111 {
1112 return &decoder_codec_ops;
1113 }
1114
get_dec_queue_ops(void)1115 struct vb2_ops *get_dec_queue_ops(void)
1116 {
1117 return &s5p_mfc_dec_qops;
1118 }
1119
get_dec_v4l2_ioctl_ops(void)1120 const struct v4l2_ioctl_ops *get_dec_v4l2_ioctl_ops(void)
1121 {
1122 return &s5p_mfc_dec_ioctl_ops;
1123 }
1124
1125 #define IS_MFC51_PRIV(x) ((V4L2_CTRL_ID2WHICH(x) == V4L2_CTRL_CLASS_MPEG) \
1126 && V4L2_CTRL_DRIVER_PRIV(x))
1127
s5p_mfc_dec_ctrls_setup(struct s5p_mfc_ctx * ctx)1128 int s5p_mfc_dec_ctrls_setup(struct s5p_mfc_ctx *ctx)
1129 {
1130 struct v4l2_ctrl_config cfg;
1131 int i;
1132
1133 v4l2_ctrl_handler_init(&ctx->ctrl_handler, NUM_CTRLS);
1134 if (ctx->ctrl_handler.error) {
1135 mfc_err("v4l2_ctrl_handler_init failed\n");
1136 return ctx->ctrl_handler.error;
1137 }
1138
1139 for (i = 0; i < NUM_CTRLS; i++) {
1140 if (IS_MFC51_PRIV(controls[i].id)) {
1141 memset(&cfg, 0, sizeof(struct v4l2_ctrl_config));
1142 cfg.ops = &s5p_mfc_dec_ctrl_ops;
1143 cfg.id = controls[i].id;
1144 cfg.min = controls[i].minimum;
1145 cfg.max = controls[i].maximum;
1146 cfg.def = controls[i].default_value;
1147 cfg.name = controls[i].name;
1148 cfg.type = controls[i].type;
1149
1150 cfg.step = controls[i].step;
1151 cfg.menu_skip_mask = 0;
1152
1153 ctx->ctrls[i] = v4l2_ctrl_new_custom(&ctx->ctrl_handler,
1154 &cfg, NULL);
1155 } else {
1156 ctx->ctrls[i] = v4l2_ctrl_new_std(&ctx->ctrl_handler,
1157 &s5p_mfc_dec_ctrl_ops,
1158 controls[i].id, controls[i].minimum,
1159 controls[i].maximum, controls[i].step,
1160 controls[i].default_value);
1161 }
1162 if (ctx->ctrl_handler.error) {
1163 mfc_err("Adding control (%d) failed\n", i);
1164 return ctx->ctrl_handler.error;
1165 }
1166 if (controls[i].is_volatile && ctx->ctrls[i])
1167 ctx->ctrls[i]->flags |= V4L2_CTRL_FLAG_VOLATILE;
1168 }
1169 return 0;
1170 }
1171
s5p_mfc_dec_ctrls_delete(struct s5p_mfc_ctx * ctx)1172 void s5p_mfc_dec_ctrls_delete(struct s5p_mfc_ctx *ctx)
1173 {
1174 int i;
1175
1176 v4l2_ctrl_handler_free(&ctx->ctrl_handler);
1177 for (i = 0; i < NUM_CTRLS; i++)
1178 ctx->ctrls[i] = NULL;
1179 }
1180
s5p_mfc_dec_init(struct s5p_mfc_ctx * ctx)1181 void s5p_mfc_dec_init(struct s5p_mfc_ctx *ctx)
1182 {
1183 struct v4l2_format f;
1184 f.fmt.pix_mp.pixelformat = V4L2_PIX_FMT_H264;
1185 ctx->src_fmt = find_format(&f, MFC_FMT_DEC);
1186 if (IS_MFCV8_PLUS(ctx->dev))
1187 f.fmt.pix_mp.pixelformat = V4L2_PIX_FMT_NV12M;
1188 else if (IS_MFCV6_PLUS(ctx->dev))
1189 f.fmt.pix_mp.pixelformat = V4L2_PIX_FMT_NV12MT_16X16;
1190 else
1191 f.fmt.pix_mp.pixelformat = V4L2_PIX_FMT_NV12MT;
1192 ctx->dst_fmt = find_format(&f, MFC_FMT_RAW);
1193 mfc_debug(2, "Default src_fmt is %p, dest_fmt is %p\n",
1194 ctx->src_fmt, ctx->dst_fmt);
1195 }
1196
1197
