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_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 #define DEF_SRC_FMT_DEC V4L2_PIX_FMT_H264
35 #define DEF_DST_FMT_DEC V4L2_PIX_FMT_NV12MT_16X16
36
37 static struct s5p_mfc_fmt formats[] = {
38 {
39 .name = "4:2:0 2 Planes 16x16 Tiles",
40 .fourcc = V4L2_PIX_FMT_NV12MT_16X16,
41 .codec_mode = S5P_MFC_CODEC_NONE,
42 .type = MFC_FMT_RAW,
43 .num_planes = 2,
44 },
45 {
46 .name = "4:2:0 2 Planes 64x32 Tiles",
47 .fourcc = V4L2_PIX_FMT_NV12MT,
48 .codec_mode = S5P_MFC_CODEC_NONE,
49 .type = MFC_FMT_RAW,
50 .num_planes = 2,
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 },
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 },
66 {
67 .name = "H264 Encoded Stream",
68 .fourcc = V4L2_PIX_FMT_H264,
69 .codec_mode = S5P_MFC_CODEC_H264_DEC,
70 .type = MFC_FMT_DEC,
71 .num_planes = 1,
72 },
73 {
74 .name = "H264/MVC Encoded Stream",
75 .fourcc = V4L2_PIX_FMT_H264_MVC,
76 .codec_mode = S5P_MFC_CODEC_H264_MVC_DEC,
77 .type = MFC_FMT_DEC,
78 .num_planes = 1,
79 },
80 {
81 .name = "H263 Encoded Stream",
82 .fourcc = V4L2_PIX_FMT_H263,
83 .codec_mode = S5P_MFC_CODEC_H263_DEC,
84 .type = MFC_FMT_DEC,
85 .num_planes = 1,
86 },
87 {
88 .name = "MPEG1 Encoded Stream",
89 .fourcc = V4L2_PIX_FMT_MPEG1,
90 .codec_mode = S5P_MFC_CODEC_MPEG2_DEC,
91 .type = MFC_FMT_DEC,
92 .num_planes = 1,
93 },
94 {
95 .name = "MPEG2 Encoded Stream",
96 .fourcc = V4L2_PIX_FMT_MPEG2,
97 .codec_mode = S5P_MFC_CODEC_MPEG2_DEC,
98 .type = MFC_FMT_DEC,
99 .num_planes = 1,
100 },
101 {
102 .name = "MPEG4 Encoded Stream",
103 .fourcc = V4L2_PIX_FMT_MPEG4,
104 .codec_mode = S5P_MFC_CODEC_MPEG4_DEC,
105 .type = MFC_FMT_DEC,
106 .num_planes = 1,
107 },
108 {
109 .name = "XviD Encoded Stream",
110 .fourcc = V4L2_PIX_FMT_XVID,
111 .codec_mode = S5P_MFC_CODEC_MPEG4_DEC,
112 .type = MFC_FMT_DEC,
113 .num_planes = 1,
114 },
115 {
116 .name = "VC1 Encoded Stream",
117 .fourcc = V4L2_PIX_FMT_VC1_ANNEX_G,
118 .codec_mode = S5P_MFC_CODEC_VC1_DEC,
119 .type = MFC_FMT_DEC,
120 .num_planes = 1,
121 },
122 {
123 .name = "VC1 RCV Encoded Stream",
124 .fourcc = V4L2_PIX_FMT_VC1_ANNEX_L,
125 .codec_mode = S5P_MFC_CODEC_VC1RCV_DEC,
126 .type = MFC_FMT_DEC,
127 .num_planes = 1,
128 },
129 {
130 .name = "VP8 Encoded Stream",
131 .fourcc = V4L2_PIX_FMT_VP8,
132 .codec_mode = S5P_MFC_CODEC_VP8_DEC,
133 .type = MFC_FMT_DEC,
134 .num_planes = 1,
135 },
136 };
137
138 #define NUM_FORMATS ARRAY_SIZE(formats)
139
140 /* Find selected format description */
find_format(struct v4l2_format * f,unsigned int t)141 static struct s5p_mfc_fmt *find_format(struct v4l2_format *f, unsigned int t)
142 {
143 unsigned int i;
144
145 for (i = 0; i < NUM_FORMATS; i++) {
146 if (formats[i].fourcc == f->fmt.pix_mp.pixelformat &&
147 formats[i].type == t)
148 return &formats[i];
149 }
150 return NULL;
151 }
152
153 static struct mfc_control controls[] = {
154 {
155 .id = V4L2_CID_MPEG_MFC51_VIDEO_DECODER_H264_DISPLAY_DELAY,
156 .type = V4L2_CTRL_TYPE_INTEGER,
157 .name = "H264 Display Delay",
158 .minimum = 0,
159 .maximum = 16383,
160 .step = 1,
161 .default_value = 0,
162 },
163 {
164 .id = V4L2_CID_MPEG_MFC51_VIDEO_DECODER_H264_DISPLAY_DELAY_ENABLE,
165 .type = V4L2_CTRL_TYPE_BOOLEAN,
166 .name = "H264 Display Delay Enable",
167 .minimum = 0,
168 .maximum = 1,
169 .step = 1,
170 .default_value = 0,
171 },
172 {
173 .id = V4L2_CID_MPEG_VIDEO_DECODER_MPEG4_DEBLOCK_FILTER,
174 .type = V4L2_CTRL_TYPE_BOOLEAN,
175 .name = "Mpeg4 Loop Filter Enable",
176 .minimum = 0,
177 .maximum = 1,
178 .step = 1,
179 .default_value = 0,
180 },
181 {
182 .id = V4L2_CID_MPEG_VIDEO_DECODER_SLICE_INTERFACE,
183 .type = V4L2_CTRL_TYPE_BOOLEAN,
184 .name = "Slice Interface Enable",
185 .minimum = 0,
186 .maximum = 1,
187 .step = 1,
188 .default_value = 0,
189 },
190 {
191 .id = V4L2_CID_MIN_BUFFERS_FOR_CAPTURE,
192 .type = V4L2_CTRL_TYPE_INTEGER,
193 .name = "Minimum number of cap bufs",
194 .minimum = 1,
195 .maximum = 32,
196 .step = 1,
197 .default_value = 1,
198 .is_volatile = 1,
199 },
200 };
201
202 #define NUM_CTRLS ARRAY_SIZE(controls)
203
204 /* Check whether a context should be run on hardware */
s5p_mfc_ctx_ready(struct s5p_mfc_ctx * ctx)205 static int s5p_mfc_ctx_ready(struct s5p_mfc_ctx *ctx)
206 {
207 /* Context is to parse header */
208 if (ctx->src_queue_cnt >= 1 && ctx->state == MFCINST_GOT_INST)
209 return 1;
210 /* Context is to decode a frame */
211 if (ctx->src_queue_cnt >= 1 &&
212 ctx->state == MFCINST_RUNNING &&
213 ctx->dst_queue_cnt >= ctx->pb_count)
214 return 1;
215 /* Context is to return last frame */
216 if (ctx->state == MFCINST_FINISHING &&
217 ctx->dst_queue_cnt >= ctx->pb_count)
218 return 1;
219 /* Context is to set buffers */
220 if (ctx->src_queue_cnt >= 1 &&
221 ctx->state == MFCINST_HEAD_PARSED &&
222 ctx->capture_state == QUEUE_BUFS_MMAPED)
223 return 1;
224 /* Resolution change */
225 if ((ctx->state == MFCINST_RES_CHANGE_INIT ||
226 ctx->state == MFCINST_RES_CHANGE_FLUSH) &&
227 ctx->dst_queue_cnt >= ctx->pb_count)
228 return 1;
229 if (ctx->state == MFCINST_RES_CHANGE_END &&
230 ctx->src_queue_cnt >= 1)
231 return 1;
232 mfc_debug(2, "ctx is not ready\n");
233 return 0;
234 }
235
236 static struct s5p_mfc_codec_ops decoder_codec_ops = {
237 .pre_seq_start = NULL,
238 .post_seq_start = NULL,
239 .pre_frame_start = NULL,
240 .post_frame_start = NULL,
241 };
242
243 /* Query capabilities of the device */
vidioc_querycap(struct file * file,void * priv,struct v4l2_capability * cap)244 static int vidioc_querycap(struct file *file, void *priv,
245 struct v4l2_capability *cap)
246 {
247 struct s5p_mfc_dev *dev = video_drvdata(file);
248
249 strncpy(cap->driver, dev->plat_dev->name, sizeof(cap->driver) - 1);
250 strncpy(cap->card, dev->plat_dev->name, sizeof(cap->card) - 1);
251 cap->bus_info[0] = 0;
252 cap->version = KERNEL_VERSION(1, 0, 0);
253 /*
254 * This is only a mem-to-mem video device. The capture and output
255 * device capability flags are left only for backward compatibility
256 * and are scheduled for removal.
257 */
258 cap->capabilities = V4L2_CAP_VIDEO_M2M_MPLANE | V4L2_CAP_STREAMING |
259 V4L2_CAP_VIDEO_CAPTURE_MPLANE |
260 V4L2_CAP_VIDEO_OUTPUT_MPLANE;
261 return 0;
262 }
263
264 /* Enumerate format */
vidioc_enum_fmt(struct v4l2_fmtdesc * f,bool mplane,bool out)265 static int vidioc_enum_fmt(struct v4l2_fmtdesc *f, bool mplane, bool out)
266 {
267 struct s5p_mfc_fmt *fmt;
268 int i, j = 0;
269
270 for (i = 0; i < ARRAY_SIZE(formats); ++i) {
271 if (mplane && formats[i].num_planes == 1)
272 continue;
273 else if (!mplane && formats[i].num_planes > 1)
274 continue;
275 if (out && formats[i].type != MFC_FMT_DEC)
276 continue;
277 else if (!out && formats[i].type != MFC_FMT_RAW)
278 continue;
279
280 if (j == f->index)
281 break;
282 ++j;
283 }
284 if (i == ARRAY_SIZE(formats))
285 return -EINVAL;
286 fmt = &formats[i];
287 strlcpy(f->description, fmt->name, sizeof(f->description));
288 f->pixelformat = fmt->fourcc;
289 return 0;
290 }
291
vidioc_enum_fmt_vid_cap(struct file * file,void * pirv,struct v4l2_fmtdesc * f)292 static int vidioc_enum_fmt_vid_cap(struct file *file, void *pirv,
293 struct v4l2_fmtdesc *f)
294 {
295 return vidioc_enum_fmt(f, false, false);
296 }
297
vidioc_enum_fmt_vid_cap_mplane(struct file * file,void * pirv,struct v4l2_fmtdesc * f)298 static int vidioc_enum_fmt_vid_cap_mplane(struct file *file, void *pirv,
299 struct v4l2_fmtdesc *f)
300 {
301 return vidioc_enum_fmt(f, true, false);
302 }
303
vidioc_enum_fmt_vid_out(struct file * file,void * prov,struct v4l2_fmtdesc * f)304 static int vidioc_enum_fmt_vid_out(struct file *file, void *prov,
305 struct v4l2_fmtdesc *f)
306 {
307 return vidioc_enum_fmt(f, false, true);
308 }
309
vidioc_enum_fmt_vid_out_mplane(struct file * file,void * prov,struct v4l2_fmtdesc * f)310 static int vidioc_enum_fmt_vid_out_mplane(struct file *file, void *prov,
311 struct v4l2_fmtdesc *f)
312 {
313 return vidioc_enum_fmt(f, true, true);
314 }
315
316 /* Get format */
vidioc_g_fmt(struct file * file,void * priv,struct v4l2_format * f)317 static int vidioc_g_fmt(struct file *file, void *priv, struct v4l2_format *f)
318 {
319 struct s5p_mfc_ctx *ctx = fh_to_ctx(priv);
320 struct v4l2_pix_format_mplane *pix_mp;
321
322 mfc_debug_enter();
323 pix_mp = &f->fmt.pix_mp;
324 if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE &&
325 (ctx->state == MFCINST_GOT_INST || ctx->state ==
326 MFCINST_RES_CHANGE_END)) {
327 /* If the MFC is parsing the header,
328 * so wait until it is finished */
329 s5p_mfc_clean_ctx_int_flags(ctx);
330 s5p_mfc_wait_for_done_ctx(ctx, S5P_MFC_R2H_CMD_SEQ_DONE_RET,
331 0);
332 }
333 if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE &&
334 ctx->state >= MFCINST_HEAD_PARSED &&
335 ctx->state < MFCINST_ABORT) {
336 /* This is run on CAPTURE (decode output) */
337 /* Width and height are set to the dimensions
338 of the movie, the buffer is bigger and
339 further processing stages should crop to this
340 rectangle. */
341 pix_mp->width = ctx->buf_width;
342 pix_mp->height = ctx->buf_height;
343 pix_mp->field = V4L2_FIELD_NONE;
344 pix_mp->num_planes = 2;
345 /* Set pixelformat to the format in which MFC
346 outputs the decoded frame */
347 pix_mp->pixelformat = V4L2_PIX_FMT_NV12MT;
348 pix_mp->plane_fmt[0].bytesperline = ctx->buf_width;
349 pix_mp->plane_fmt[0].sizeimage = ctx->luma_size;
350 pix_mp->plane_fmt[1].bytesperline = ctx->buf_width;
351 pix_mp->plane_fmt[1].sizeimage = ctx->chroma_size;
352 } else if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
353 /* This is run on OUTPUT
354 The buffer contains compressed image
355 so width and height have no meaning */
356 pix_mp->width = 0;
357 pix_mp->height = 0;
358 pix_mp->field = V4L2_FIELD_NONE;
359 pix_mp->plane_fmt[0].bytesperline = ctx->dec_src_buf_size;
360 pix_mp->plane_fmt[0].sizeimage = ctx->dec_src_buf_size;
361 pix_mp->pixelformat = ctx->src_fmt->fourcc;
362 pix_mp->num_planes = ctx->src_fmt->num_planes;
363 } else {
364 mfc_err("Format could not be read\n");
365 mfc_debug(2, "%s-- with error\n", __func__);
366 return -EINVAL;
367 }
368 mfc_debug_leave();
369 return 0;
370 }
371
372 /* Try format */
vidioc_try_fmt(struct file * file,void * priv,struct v4l2_format * f)373 static int vidioc_try_fmt(struct file *file, void *priv, struct v4l2_format *f)
374 {
375 struct s5p_mfc_dev *dev = video_drvdata(file);
376 struct s5p_mfc_fmt *fmt;
377
378 mfc_debug(2, "Type is %d\n", f->type);
379 if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
380 fmt = find_format(f, MFC_FMT_DEC);
381 if (!fmt) {
382 mfc_err("Unsupported format for source.\n");
383 return -EINVAL;
384 }
385 if (!IS_MFCV6(dev) && (fmt->fourcc == V4L2_PIX_FMT_VP8)) {
386 mfc_err("Not supported format.\n");
387 return -EINVAL;
388 }
389 } else if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
390 fmt = find_format(f, MFC_FMT_RAW);
391 if (!fmt) {
392 mfc_err("Unsupported format for destination.\n");
393 return -EINVAL;
394 }
395 if (IS_MFCV6(dev) && (fmt->fourcc == V4L2_PIX_FMT_NV12MT)) {
396 mfc_err("Not supported format.\n");
397 return -EINVAL;
398 } else if (!IS_MFCV6(dev) &&
399 (fmt->fourcc != V4L2_PIX_FMT_NV12MT)) {
400 mfc_err("Not supported format.\n");
401 return -EINVAL;
402 }
403 }
404
405 return 0;
406 }
407
408 /* Set format */
vidioc_s_fmt(struct file * file,void * priv,struct v4l2_format * f)409 static int vidioc_s_fmt(struct file *file, void *priv, struct v4l2_format *f)
410 {
411 struct s5p_mfc_dev *dev = video_drvdata(file);
412 struct s5p_mfc_ctx *ctx = fh_to_ctx(priv);
413 int ret = 0;
414 struct s5p_mfc_fmt *fmt;
415 struct v4l2_pix_format_mplane *pix_mp;
416
417 mfc_debug_enter();
418 ret = vidioc_try_fmt(file, priv, f);
419 pix_mp = &f->fmt.pix_mp;
420 if (ret)
421 return ret;
422 if (ctx->vq_src.streaming || ctx->vq_dst.streaming) {
423 v4l2_err(&dev->v4l2_dev, "%s queue busy\n", __func__);
424 ret = -EBUSY;
425 goto out;
426 }
427 if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
428 fmt = find_format(f, MFC_FMT_RAW);
429 if (!fmt) {
430 mfc_err("Unsupported format for source.\n");
431 return -EINVAL;
432 }
433 if (!IS_MFCV6(dev) && (fmt->fourcc != V4L2_PIX_FMT_NV12MT)) {
434 mfc_err("Not supported format.\n");
435 return -EINVAL;
436 } else if (IS_MFCV6(dev) &&
437 (fmt->fourcc == V4L2_PIX_FMT_NV12MT)) {
438 mfc_err("Not supported format.\n");
439 return -EINVAL;
440 }
441 ctx->dst_fmt = fmt;
442 mfc_debug_leave();
443 return ret;
444 } else if (f->type != V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
445 mfc_err("Wrong type error for S_FMT : %d", f->type);
446 return -EINVAL;
447 }
448 fmt = find_format(f, MFC_FMT_DEC);
449 if (!fmt || fmt->codec_mode == S5P_MFC_CODEC_NONE) {
450 mfc_err("Unknown codec\n");
451 ret = -EINVAL;
452 goto out;
453 }
454 if (fmt->type != MFC_FMT_DEC) {
455 mfc_err("Wrong format selected, you should choose "
456 "format for decoding\n");
457 ret = -EINVAL;
458 goto out;
459 }
460 if (!IS_MFCV6(dev) && (fmt->fourcc == V4L2_PIX_FMT_VP8)) {
461 mfc_err("Not supported format.\n");
462 return -EINVAL;
463 }
464 ctx->src_fmt = fmt;
465 ctx->codec_mode = fmt->codec_mode;
466 mfc_debug(2, "The codec number is: %d\n", ctx->codec_mode);
467 pix_mp->height = 0;
468 pix_mp->width = 0;
469 if (pix_mp->plane_fmt[0].sizeimage)
470 ctx->dec_src_buf_size = pix_mp->plane_fmt[0].sizeimage;
471 else
472 pix_mp->plane_fmt[0].sizeimage = ctx->dec_src_buf_size =
473 DEF_CPB_SIZE;
474 pix_mp->plane_fmt[0].bytesperline = 0;
475 ctx->state = MFCINST_INIT;
476 out:
477 mfc_debug_leave();
478 return ret;
479 }
480
481 /* Reqeust buffers */
vidioc_reqbufs(struct file * file,void * priv,struct v4l2_requestbuffers * reqbufs)482 static int vidioc_reqbufs(struct file *file, void *priv,
483 struct v4l2_requestbuffers *reqbufs)
484 {
485 struct s5p_mfc_dev *dev = video_drvdata(file);
486 struct s5p_mfc_ctx *ctx = fh_to_ctx(priv);
487 int ret = 0;
488
489 if (reqbufs->memory != V4L2_MEMORY_MMAP) {
490 mfc_err("Only V4L2_MEMORY_MAP is supported\n");
491 return -EINVAL;
492 }
493 if (reqbufs->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
494 /* Can only request buffers after an instance has been opened.*/
495 if (ctx->state == MFCINST_INIT) {
496 ctx->src_bufs_cnt = 0;
497 if (reqbufs->count == 0) {
498 mfc_debug(2, "Freeing buffers\n");
499 s5p_mfc_clock_on();
500 ret = vb2_reqbufs(&ctx->vq_src, reqbufs);
501 s5p_mfc_clock_off();
502 return ret;
503 }
504 /* Decoding */
505 if (ctx->output_state != QUEUE_FREE) {
506 mfc_err("Bufs have already been requested\n");
507 return -EINVAL;
508 }
509 s5p_mfc_clock_on();
510 ret = vb2_reqbufs(&ctx->vq_src, reqbufs);
511 s5p_mfc_clock_off();
512 if (ret) {
513 mfc_err("vb2_reqbufs on output failed\n");
514 return ret;
515 }
516 mfc_debug(2, "vb2_reqbufs: %d\n", ret);
517 ctx->output_state = QUEUE_BUFS_REQUESTED;
518 }
519 } else if (reqbufs->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
520 ctx->dst_bufs_cnt = 0;
521 if (reqbufs->count == 0) {
522 mfc_debug(2, "Freeing buffers\n");
523 s5p_mfc_clock_on();
524 ret = vb2_reqbufs(&ctx->vq_dst, reqbufs);
525 s5p_mfc_clock_off();
526 return ret;
527 }
528 if (ctx->capture_state != QUEUE_FREE) {
529 mfc_err("Bufs have already been requested\n");
530 return -EINVAL;
531 }
532 ctx->capture_state = QUEUE_BUFS_REQUESTED;
533 s5p_mfc_clock_on();
534 ret = vb2_reqbufs(&ctx->vq_dst, reqbufs);
535 s5p_mfc_clock_off();
536 if (ret) {
537 mfc_err("vb2_reqbufs on capture failed\n");
538 return ret;
539 }
540 if (reqbufs->count < ctx->pb_count) {
541 mfc_err("Not enough buffers allocated\n");
542 reqbufs->count = 0;
543 s5p_mfc_clock_on();
544 ret = vb2_reqbufs(&ctx->vq_dst, reqbufs);
545 s5p_mfc_clock_off();
546 return -ENOMEM;
547 }
548 ctx->total_dpb_count = reqbufs->count;
549 ret = s5p_mfc_hw_call(dev->mfc_ops, alloc_codec_buffers, ctx);
550 if (ret) {
551 mfc_err("Failed to allocate decoding buffers\n");
552 reqbufs->count = 0;
553 s5p_mfc_clock_on();
554 ret = vb2_reqbufs(&ctx->vq_dst, reqbufs);
555 s5p_mfc_clock_off();
556 return -ENOMEM;
557 }
558 if (ctx->dst_bufs_cnt == ctx->total_dpb_count) {
559 ctx->capture_state = QUEUE_BUFS_MMAPED;
560 } else {
561 mfc_err("Not all buffers passed to buf_init\n");
562 reqbufs->count = 0;
563 s5p_mfc_clock_on();
564 ret = vb2_reqbufs(&ctx->vq_dst, reqbufs);
565 s5p_mfc_hw_call(dev->mfc_ops, release_codec_buffers,
566 ctx);
567 s5p_mfc_clock_off();
568 return -ENOMEM;
569 }
570 if (s5p_mfc_ctx_ready(ctx))
571 set_work_bit_irqsave(ctx);
572 s5p_mfc_hw_call(dev->mfc_ops, try_run, dev);
573 s5p_mfc_wait_for_done_ctx(ctx,
574 S5P_MFC_R2H_CMD_INIT_BUFFERS_RET, 0);
575 }
576 return ret;
577 }
578
579 /* Query buffer */
vidioc_querybuf(struct file * file,void * priv,struct v4l2_buffer * buf)580 static int vidioc_querybuf(struct file *file, void *priv,
581 struct v4l2_buffer *buf)
582 {
583 struct s5p_mfc_ctx *ctx = fh_to_ctx(priv);
584 int ret;
585 int i;
586
587 if (buf->memory != V4L2_MEMORY_MMAP) {
588 mfc_err("Only mmaped buffers can be used\n");
589 return -EINVAL;
590 }
591 mfc_debug(2, "State: %d, buf->type: %d\n", ctx->state, buf->type);
592 if (ctx->state == MFCINST_INIT &&
593 buf->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
594 ret = vb2_querybuf(&ctx->vq_src, buf);
595 } else if (ctx->state == MFCINST_RUNNING &&
596 buf->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
597 ret = vb2_querybuf(&ctx->vq_dst, buf);
598 for (i = 0; i < buf->length; i++)
599 buf->m.planes[i].m.mem_offset += DST_QUEUE_OFF_BASE;
600 } else {
601 mfc_err("vidioc_querybuf called in an inappropriate state\n");
602 ret = -EINVAL;
603 }
604 mfc_debug_leave();
605 return ret;
606 }
607
608 /* Queue a buffer */
vidioc_qbuf(struct file * file,void * priv,struct v4l2_buffer * buf)609 static int vidioc_qbuf(struct file *file, void *priv, struct v4l2_buffer *buf)
610 {
611 struct s5p_mfc_ctx *ctx = fh_to_ctx(priv);
612
613 if (ctx->state == MFCINST_ERROR) {
614 mfc_err("Call on QBUF after unrecoverable error\n");
615 return -EIO;
616 }
617 if (buf->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
618 return vb2_qbuf(&ctx->vq_src, buf);
619 else if (buf->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE)
620 return vb2_qbuf(&ctx->vq_dst, buf);
621 return -EINVAL;
622 }
623
624 /* Dequeue a buffer */
vidioc_dqbuf(struct file * file,void * priv,struct v4l2_buffer * buf)625 static int vidioc_dqbuf(struct file *file, void *priv, struct v4l2_buffer *buf)
626 {
627 const struct v4l2_event ev = {
628 .type = V4L2_EVENT_EOS
629 };
630 struct s5p_mfc_ctx *ctx = fh_to_ctx(priv);
631 int ret;
632
633 if (ctx->state == MFCINST_ERROR) {
634 mfc_err("Call on DQBUF after unrecoverable error\n");
635 return -EIO;
636 }
637 if (buf->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
638 ret = vb2_dqbuf(&ctx->vq_src, buf, file->f_flags & O_NONBLOCK);
639 else if (buf->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
640 ret = vb2_dqbuf(&ctx->vq_dst, buf, file->f_flags & O_NONBLOCK);
641 if (ret == 0 && ctx->state == MFCINST_FINISHED &&
642 list_empty(&ctx->vq_dst.done_list))
643 v4l2_event_queue_fh(&ctx->fh, &ev);
644 } else {
645 ret = -EINVAL;
646 }
647 return ret;
648 }
649
650 /* Export DMA buffer */
vidioc_expbuf(struct file * file,void * priv,struct v4l2_exportbuffer * eb)651 static int vidioc_expbuf(struct file *file, void *priv,
652 struct v4l2_exportbuffer *eb)
653 {
654 struct s5p_mfc_ctx *ctx = fh_to_ctx(priv);
655
656 if (eb->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
657 return vb2_expbuf(&ctx->vq_src, eb);
658 if (eb->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE)
659 return vb2_expbuf(&ctx->vq_dst, eb);
660 return -EINVAL;
661 }
662
663 /* Stream on */
vidioc_streamon(struct file * file,void * priv,enum v4l2_buf_type type)664 static int vidioc_streamon(struct file *file, void *priv,
665 enum v4l2_buf_type type)
666 {
667 struct s5p_mfc_ctx *ctx = fh_to_ctx(priv);
668 struct s5p_mfc_dev *dev = ctx->dev;
669 int ret = -EINVAL;
670
671 mfc_debug_enter();
672 if (type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
673
674 if (ctx->state == MFCINST_INIT) {
675 ctx->dst_bufs_cnt = 0;
676 ctx->src_bufs_cnt = 0;
677 ctx->capture_state = QUEUE_FREE;
678 ctx->output_state = QUEUE_FREE;
679 s5p_mfc_hw_call(dev->mfc_ops, alloc_instance_buffer,
680 ctx);
681 s5p_mfc_hw_call(dev->mfc_ops, alloc_dec_temp_buffers,
682 ctx);
683 set_work_bit_irqsave(ctx);
684 s5p_mfc_clean_ctx_int_flags(ctx);
685 s5p_mfc_hw_call(dev->mfc_ops, try_run, dev);
686
687 if (s5p_mfc_wait_for_done_ctx(ctx,
688 S5P_MFC_R2H_CMD_OPEN_INSTANCE_RET, 0)) {
689 /* Error or timeout */
690 mfc_err("Error getting instance from hardware\n");
691 s5p_mfc_hw_call(dev->mfc_ops,
692 release_instance_buffer, ctx);
693 s5p_mfc_hw_call(dev->mfc_ops,
694 release_dec_desc_buffer, ctx);
695 return -EIO;
696 }
697 mfc_debug(2, "Got instance number: %d\n", ctx->inst_no);
698 }
699 ret = vb2_streamon(&ctx->vq_src, type);
700 }
701 else if (type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE)
702 ret = vb2_streamon(&ctx->vq_dst, type);
703 mfc_debug_leave();
704 return ret;
705 }
706
707 /* Stream off, which equals to a pause */
vidioc_streamoff(struct file * file,void * priv,enum v4l2_buf_type type)708 static int vidioc_streamoff(struct file *file, void *priv,
709 enum v4l2_buf_type type)
710 {
711 struct s5p_mfc_ctx *ctx = fh_to_ctx(priv);
712
713 if (type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
714 return vb2_streamoff(&ctx->vq_src, type);
715 else if (type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE)
716 return vb2_streamoff(&ctx->vq_dst, type);
717 return -EINVAL;
718 }
719
720 /* Set controls - v4l2 control framework */
s5p_mfc_dec_s_ctrl(struct v4l2_ctrl * ctrl)721 static int s5p_mfc_dec_s_ctrl(struct v4l2_ctrl *ctrl)
722 {
723 struct s5p_mfc_ctx *ctx = ctrl_to_ctx(ctrl);
724
725 switch (ctrl->id) {
726 case V4L2_CID_MPEG_MFC51_VIDEO_DECODER_H264_DISPLAY_DELAY:
727 ctx->display_delay = ctrl->val;
728 break;
729 case V4L2_CID_MPEG_MFC51_VIDEO_DECODER_H264_DISPLAY_DELAY_ENABLE:
730 ctx->display_delay_enable = ctrl->val;
731 break;
732 case V4L2_CID_MPEG_VIDEO_DECODER_MPEG4_DEBLOCK_FILTER:
733 ctx->loop_filter_mpeg4 = ctrl->val;
734 break;
735 case V4L2_CID_MPEG_VIDEO_DECODER_SLICE_INTERFACE:
736 ctx->slice_interface = ctrl->val;
737 break;
738 default:
739 mfc_err("Invalid control 0x%08x\n", ctrl->id);
740 return -EINVAL;
741 }
742 return 0;
743 }
744
s5p_mfc_dec_g_v_ctrl(struct v4l2_ctrl * ctrl)745 static int s5p_mfc_dec_g_v_ctrl(struct v4l2_ctrl *ctrl)
746 {
747 struct s5p_mfc_ctx *ctx = ctrl_to_ctx(ctrl);
748 struct s5p_mfc_dev *dev = ctx->dev;
749
750 switch (ctrl->id) {
751 case V4L2_CID_MIN_BUFFERS_FOR_CAPTURE:
752 if (ctx->state >= MFCINST_HEAD_PARSED &&
753 ctx->state < MFCINST_ABORT) {
754 ctrl->val = ctx->pb_count;
755 break;
756 } else if (ctx->state != MFCINST_INIT) {
757 v4l2_err(&dev->v4l2_dev, "Decoding not initialised\n");
758 return -EINVAL;
759 }
760 /* Should wait for the header to be parsed */
761 s5p_mfc_clean_ctx_int_flags(ctx);
762 s5p_mfc_wait_for_done_ctx(ctx,
763 S5P_MFC_R2H_CMD_SEQ_DONE_RET, 0);
764 if (ctx->state >= MFCINST_HEAD_PARSED &&
765 ctx->state < MFCINST_ABORT) {
766 ctrl->val = ctx->pb_count;
767 } else {
768 v4l2_err(&dev->v4l2_dev, "Decoding not initialised\n");
769 return -EINVAL;
770 }
771 break;
772 }
773 return 0;
774 }
775
776
777 static const struct v4l2_ctrl_ops s5p_mfc_dec_ctrl_ops = {
778 .s_ctrl = s5p_mfc_dec_s_ctrl,
779 .g_volatile_ctrl = s5p_mfc_dec_g_v_ctrl,
780 };
781
782 /* Get cropping information */
vidioc_g_crop(struct file * file,void * priv,struct v4l2_crop * cr)783 static int vidioc_g_crop(struct file *file, void *priv,
784 struct v4l2_crop *cr)
785 {
786 struct s5p_mfc_ctx *ctx = fh_to_ctx(priv);
787 struct s5p_mfc_dev *dev = ctx->dev;
788 u32 left, right, top, bottom;
789
790 if (ctx->state != MFCINST_HEAD_PARSED &&
791 ctx->state != MFCINST_RUNNING && ctx->state != MFCINST_FINISHING
792 && ctx->state != MFCINST_FINISHED) {
793 mfc_err("Cannont set crop\n");
794 return -EINVAL;
795 }
796 if (ctx->src_fmt->fourcc == V4L2_PIX_FMT_H264) {
797 left = s5p_mfc_hw_call(dev->mfc_ops, get_crop_info_h, ctx);
798 right = left >> S5P_FIMV_SHARED_CROP_RIGHT_SHIFT;
799 left = left & S5P_FIMV_SHARED_CROP_LEFT_MASK;
800 top = s5p_mfc_hw_call(dev->mfc_ops, get_crop_info_v, ctx);
801 bottom = top >> S5P_FIMV_SHARED_CROP_BOTTOM_SHIFT;
802 top = top & S5P_FIMV_SHARED_CROP_TOP_MASK;
803 cr->c.left = left;
804 cr->c.top = top;
805 cr->c.width = ctx->img_width - left - right;
806 cr->c.height = ctx->img_height - top - bottom;
807 mfc_debug(2, "Cropping info [h264]: l=%d t=%d "
808 "w=%d h=%d (r=%d b=%d fw=%d fh=%d\n", left, top,
809 cr->c.width, cr->c.height, right, bottom,
810 ctx->buf_width, ctx->buf_height);
811 } else {
812 cr->c.left = 0;
813 cr->c.top = 0;
814 cr->c.width = ctx->img_width;
815 cr->c.height = ctx->img_height;
816 mfc_debug(2, "Cropping info: w=%d h=%d fw=%d "
817 "fh=%d\n", cr->c.width, cr->c.height, ctx->buf_width,
818 ctx->buf_height);
819 }
820 return 0;
821 }
822
vidioc_decoder_cmd(struct file * file,void * priv,struct v4l2_decoder_cmd * cmd)823 int vidioc_decoder_cmd(struct file *file, void *priv,
824 struct v4l2_decoder_cmd *cmd)
825 {
826 struct s5p_mfc_ctx *ctx = fh_to_ctx(priv);
827 struct s5p_mfc_dev *dev = ctx->dev;
828 struct s5p_mfc_buf *buf;
829 unsigned long flags;
830
831 switch (cmd->cmd) {
832 case V4L2_ENC_CMD_STOP:
833 if (cmd->flags != 0)
834 return -EINVAL;
835
836 if (!ctx->vq_src.streaming)
837 return -EINVAL;
838
839 spin_lock_irqsave(&dev->irqlock, flags);
840 if (list_empty(&ctx->src_queue)) {
841 mfc_err("EOS: empty src queue, entering finishing state");
842 ctx->state = MFCINST_FINISHING;
843 if (s5p_mfc_ctx_ready(ctx))
844 set_work_bit_irqsave(ctx);
845 spin_unlock_irqrestore(&dev->irqlock, flags);
846 s5p_mfc_hw_call(dev->mfc_ops, try_run, dev);
847 } else {
848 mfc_err("EOS: marking last buffer of stream");
849 buf = list_entry(ctx->src_queue.prev,
850 struct s5p_mfc_buf, list);
851 if (buf->flags & MFC_BUF_FLAG_USED)
852 ctx->state = MFCINST_FINISHING;
853 else
854 buf->flags |= MFC_BUF_FLAG_EOS;
855 spin_unlock_irqrestore(&dev->irqlock, flags);
856 }
857 break;
858 default:
859 return -EINVAL;
860 }
861 return 0;
862 }
863
vidioc_subscribe_event(struct v4l2_fh * fh,const struct v4l2_event_subscription * sub)864 static int vidioc_subscribe_event(struct v4l2_fh *fh,
865 const struct v4l2_event_subscription *sub)
866 {
867 switch (sub->type) {
868 case V4L2_EVENT_EOS:
869 return v4l2_event_subscribe(fh, sub, 2, NULL);
870 default:
871 return -EINVAL;
872 }
873 }
874
875
876 /* v4l2_ioctl_ops */
877 static const struct v4l2_ioctl_ops s5p_mfc_dec_ioctl_ops = {
878 .vidioc_querycap = vidioc_querycap,
879 .vidioc_enum_fmt_vid_cap = vidioc_enum_fmt_vid_cap,
880 .vidioc_enum_fmt_vid_cap_mplane = vidioc_enum_fmt_vid_cap_mplane,
881 .vidioc_enum_fmt_vid_out = vidioc_enum_fmt_vid_out,
882 .vidioc_enum_fmt_vid_out_mplane = vidioc_enum_fmt_vid_out_mplane,
883 .vidioc_g_fmt_vid_cap_mplane = vidioc_g_fmt,
884 .vidioc_g_fmt_vid_out_mplane = vidioc_g_fmt,
885 .vidioc_try_fmt_vid_cap_mplane = vidioc_try_fmt,
886 .vidioc_try_fmt_vid_out_mplane = vidioc_try_fmt,
887 .vidioc_s_fmt_vid_cap_mplane = vidioc_s_fmt,
888 .vidioc_s_fmt_vid_out_mplane = vidioc_s_fmt,
889 .vidioc_reqbufs = vidioc_reqbufs,
890 .vidioc_querybuf = vidioc_querybuf,
891 .vidioc_qbuf = vidioc_qbuf,
892 .vidioc_dqbuf = vidioc_dqbuf,
893 .vidioc_expbuf = vidioc_expbuf,
894 .vidioc_streamon = vidioc_streamon,
895 .vidioc_streamoff = vidioc_streamoff,
896 .vidioc_g_crop = vidioc_g_crop,
897 .vidioc_decoder_cmd = vidioc_decoder_cmd,
898 .vidioc_subscribe_event = vidioc_subscribe_event,
899 .vidioc_unsubscribe_event = v4l2_event_unsubscribe,
900 };
901
s5p_mfc_queue_setup(struct vb2_queue * vq,const struct v4l2_format * fmt,unsigned int * buf_count,unsigned int * plane_count,unsigned int psize[],void * allocators[])902 static int s5p_mfc_queue_setup(struct vb2_queue *vq,
903 const struct v4l2_format *fmt, unsigned int *buf_count,
904 unsigned int *plane_count, unsigned int psize[],
905 void *allocators[])
906 {
907 struct s5p_mfc_ctx *ctx = fh_to_ctx(vq->drv_priv);
908 struct s5p_mfc_dev *dev = ctx->dev;
909
910 /* Video output for decoding (source)
911 * this can be set after getting an instance */
912 if (ctx->state == MFCINST_INIT &&
913 vq->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
914 /* A single plane is required for input */
915 *plane_count = 1;
916 if (*buf_count < 1)
917 *buf_count = 1;
918 if (*buf_count > MFC_MAX_BUFFERS)
919 *buf_count = MFC_MAX_BUFFERS;
920 /* Video capture for decoding (destination)
921 * this can be set after the header was parsed */
922 } else if (ctx->state == MFCINST_HEAD_PARSED &&
923 vq->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
924 /* Output plane count is 2 - one for Y and one for CbCr */
925 *plane_count = 2;
926 /* Setup buffer count */
927 if (*buf_count < ctx->pb_count)
928 *buf_count = ctx->pb_count;
929 if (*buf_count > ctx->pb_count + MFC_MAX_EXTRA_DPB)
930 *buf_count = ctx->pb_count + MFC_MAX_EXTRA_DPB;
931 if (*buf_count > MFC_MAX_BUFFERS)
932 *buf_count = MFC_MAX_BUFFERS;
933 } else {
934 mfc_err("State seems invalid. State = %d, vq->type = %d\n",
935 ctx->state, vq->type);
936 return -EINVAL;
937 }
938 mfc_debug(2, "Buffer count=%d, plane count=%d\n",
939 *buf_count, *plane_count);
940 if (ctx->state == MFCINST_HEAD_PARSED &&
941 vq->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
942 psize[0] = ctx->luma_size;
943 psize[1] = ctx->chroma_size;
944
945 if (IS_MFCV6(dev))
946 allocators[0] =
947 ctx->dev->alloc_ctx[MFC_BANK1_ALLOC_CTX];
948 else
949 allocators[0] =
950 ctx->dev->alloc_ctx[MFC_BANK2_ALLOC_CTX];
951 allocators[1] = ctx->dev->alloc_ctx[MFC_BANK1_ALLOC_CTX];
952 } else if (vq->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE &&
953 ctx->state == MFCINST_INIT) {
954 psize[0] = ctx->dec_src_buf_size;
955 allocators[0] = ctx->dev->alloc_ctx[MFC_BANK1_ALLOC_CTX];
956 } else {
957 mfc_err("This video node is dedicated to decoding. Decoding not initalised\n");
958 return -EINVAL;
959 }
960 return 0;
961 }
962
s5p_mfc_unlock(struct vb2_queue * q)963 static void s5p_mfc_unlock(struct vb2_queue *q)
964 {
965 struct s5p_mfc_ctx *ctx = fh_to_ctx(q->drv_priv);
966 struct s5p_mfc_dev *dev = ctx->dev;
967
968 mutex_unlock(&dev->mfc_mutex);
969 }
970
s5p_mfc_lock(struct vb2_queue * q)971 static void s5p_mfc_lock(struct vb2_queue *q)
972 {
973 struct s5p_mfc_ctx *ctx = fh_to_ctx(q->drv_priv);
974 struct s5p_mfc_dev *dev = ctx->dev;
975
976 mutex_lock(&dev->mfc_mutex);
977 }
978
s5p_mfc_buf_init(struct vb2_buffer * vb)979 static int s5p_mfc_buf_init(struct vb2_buffer *vb)
980 {
981 struct vb2_queue *vq = vb->vb2_queue;
982 struct s5p_mfc_ctx *ctx = fh_to_ctx(vq->drv_priv);
983 unsigned int i;
984
985 if (vq->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
986 if (ctx->capture_state == QUEUE_BUFS_MMAPED)
987 return 0;
988 for (i = 0; i <= ctx->src_fmt->num_planes ; i++) {
989 if (IS_ERR_OR_NULL(ERR_PTR(
990 vb2_dma_contig_plane_dma_addr(vb, i)))) {
991 mfc_err("Plane mem not allocated\n");
992 return -EINVAL;
993 }
994 }
995 if (vb2_plane_size(vb, 0) < ctx->luma_size ||
996 vb2_plane_size(vb, 1) < ctx->chroma_size) {
997 mfc_err("Plane buffer (CAPTURE) is too small\n");
998 return -EINVAL;
999 }
1000 i = vb->v4l2_buf.index;
1001 ctx->dst_bufs[i].b = vb;
1002 ctx->dst_bufs[i].cookie.raw.luma =
1003 vb2_dma_contig_plane_dma_addr(vb, 0);
1004 ctx->dst_bufs[i].cookie.raw.chroma =
1005 vb2_dma_contig_plane_dma_addr(vb, 1);
1006 ctx->dst_bufs_cnt++;
1007 } else if (vq->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
1008 if (IS_ERR_OR_NULL(ERR_PTR(
1009 vb2_dma_contig_plane_dma_addr(vb, 0)))) {
1010 mfc_err("Plane memory not allocated\n");
1011 return -EINVAL;
1012 }
1013 if (vb2_plane_size(vb, 0) < ctx->dec_src_buf_size) {
1014 mfc_err("Plane buffer (OUTPUT) is too small\n");
1015 return -EINVAL;
1016 }
1017
1018 i = vb->v4l2_buf.index;
1019 ctx->src_bufs[i].b = vb;
1020 ctx->src_bufs[i].cookie.stream =
1021 vb2_dma_contig_plane_dma_addr(vb, 0);
1022 ctx->src_bufs_cnt++;
1023 } else {
1024 mfc_err("s5p_mfc_buf_init: unknown queue type\n");
1025 return -EINVAL;
1026 }
1027 return 0;
1028 }
1029
s5p_mfc_start_streaming(struct vb2_queue * q,unsigned int count)1030 static int s5p_mfc_start_streaming(struct vb2_queue *q, unsigned int count)
1031 {
1032 struct s5p_mfc_ctx *ctx = fh_to_ctx(q->drv_priv);
1033 struct s5p_mfc_dev *dev = ctx->dev;
1034
1035 v4l2_ctrl_handler_setup(&ctx->ctrl_handler);
1036 if (ctx->state == MFCINST_FINISHING ||
1037 ctx->state == MFCINST_FINISHED)
1038 ctx->state = MFCINST_RUNNING;
1039 /* If context is ready then dev = work->data;schedule it to run */
1040 if (s5p_mfc_ctx_ready(ctx))
1041 set_work_bit_irqsave(ctx);
1042 s5p_mfc_hw_call(dev->mfc_ops, try_run, dev);
1043 return 0;
1044 }
1045
s5p_mfc_stop_streaming(struct vb2_queue * q)1046 static int s5p_mfc_stop_streaming(struct vb2_queue *q)
1047 {
1048 unsigned long flags;
1049 struct s5p_mfc_ctx *ctx = fh_to_ctx(q->drv_priv);
1050 struct s5p_mfc_dev *dev = ctx->dev;
1051 int aborted = 0;
1052
1053 if ((ctx->state == MFCINST_FINISHING ||
1054 ctx->state == MFCINST_RUNNING) &&
1055 dev->curr_ctx == ctx->num && dev->hw_lock) {
1056 ctx->state = MFCINST_ABORT;
1057 s5p_mfc_wait_for_done_ctx(ctx,
1058 S5P_MFC_R2H_CMD_FRAME_DONE_RET, 0);
1059 aborted = 1;
1060 }
1061 if (q->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
1062 spin_lock_irqsave(&dev->irqlock, flags);
1063 s5p_mfc_hw_call(dev->mfc_ops, cleanup_queue, &ctx->dst_queue,
1064 &ctx->vq_dst);
1065 INIT_LIST_HEAD(&ctx->dst_queue);
1066 ctx->dst_queue_cnt = 0;
1067 ctx->dpb_flush_flag = 1;
1068 ctx->dec_dst_flag = 0;
1069 spin_unlock_irqrestore(&dev->irqlock, flags);
1070 if (IS_MFCV6(dev) && (ctx->state == MFCINST_RUNNING)) {
1071 ctx->state = MFCINST_FLUSH;
1072 set_work_bit_irqsave(ctx);
1073 s5p_mfc_clean_ctx_int_flags(ctx);
1074 s5p_mfc_hw_call(dev->mfc_ops, try_run, dev);
1075 if (s5p_mfc_wait_for_done_ctx(ctx,
1076 S5P_MFC_R2H_CMD_DPB_FLUSH_RET, 0))
1077 mfc_err("Err flushing buffers\n");
1078 }
1079 }
1080 if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
1081 spin_lock_irqsave(&dev->irqlock, flags);
1082 s5p_mfc_hw_call(dev->mfc_ops, cleanup_queue, &ctx->src_queue,
1083 &ctx->vq_src);
1084 INIT_LIST_HEAD(&ctx->src_queue);
1085 ctx->src_queue_cnt = 0;
1086 spin_unlock_irqrestore(&dev->irqlock, flags);
1087 }
1088 if (aborted)
1089 ctx->state = MFCINST_RUNNING;
1090 return 0;
1091 }
1092
1093
s5p_mfc_buf_queue(struct vb2_buffer * vb)1094 static void s5p_mfc_buf_queue(struct vb2_buffer *vb)
1095 {
1096 struct vb2_queue *vq = vb->vb2_queue;
1097 struct s5p_mfc_ctx *ctx = fh_to_ctx(vq->drv_priv);
1098 struct s5p_mfc_dev *dev = ctx->dev;
1099 unsigned long flags;
1100 struct s5p_mfc_buf *mfc_buf;
1101
1102 if (vq->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
1103 mfc_buf = &ctx->src_bufs[vb->v4l2_buf.index];
1104 mfc_buf->flags &= ~MFC_BUF_FLAG_USED;
1105 spin_lock_irqsave(&dev->irqlock, flags);
1106 list_add_tail(&mfc_buf->list, &ctx->src_queue);
1107 ctx->src_queue_cnt++;
1108 spin_unlock_irqrestore(&dev->irqlock, flags);
1109 } else if (vq->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
1110 mfc_buf = &ctx->dst_bufs[vb->v4l2_buf.index];
1111 mfc_buf->flags &= ~MFC_BUF_FLAG_USED;
1112 /* Mark destination as available for use by MFC */
1113 spin_lock_irqsave(&dev->irqlock, flags);
1114 set_bit(vb->v4l2_buf.index, &ctx->dec_dst_flag);
1115 list_add_tail(&mfc_buf->list, &ctx->dst_queue);
1116 ctx->dst_queue_cnt++;
1117 spin_unlock_irqrestore(&dev->irqlock, flags);
1118 } else {
1119 mfc_err("Unsupported buffer type (%d)\n", vq->type);
1120 }
1121 if (s5p_mfc_ctx_ready(ctx))
1122 set_work_bit_irqsave(ctx);
1123 s5p_mfc_hw_call(dev->mfc_ops, try_run, dev);
1124 }
1125
1126 static struct vb2_ops s5p_mfc_dec_qops = {
1127 .queue_setup = s5p_mfc_queue_setup,
1128 .wait_prepare = s5p_mfc_unlock,
1129 .wait_finish = s5p_mfc_lock,
1130 .buf_init = s5p_mfc_buf_init,
1131 .start_streaming = s5p_mfc_start_streaming,
1132 .stop_streaming = s5p_mfc_stop_streaming,
1133 .buf_queue = s5p_mfc_buf_queue,
1134 };
1135
get_dec_codec_ops(void)1136 struct s5p_mfc_codec_ops *get_dec_codec_ops(void)
1137 {
1138 return &decoder_codec_ops;
1139 }
1140
get_dec_queue_ops(void)1141 struct vb2_ops *get_dec_queue_ops(void)
1142 {
1143 return &s5p_mfc_dec_qops;
1144 }
1145
get_dec_v4l2_ioctl_ops(void)1146 const struct v4l2_ioctl_ops *get_dec_v4l2_ioctl_ops(void)
1147 {
1148 return &s5p_mfc_dec_ioctl_ops;
1149 }
1150
1151 #define IS_MFC51_PRIV(x) ((V4L2_CTRL_ID2CLASS(x) == V4L2_CTRL_CLASS_MPEG) \
1152 && V4L2_CTRL_DRIVER_PRIV(x))
1153
s5p_mfc_dec_ctrls_setup(struct s5p_mfc_ctx * ctx)1154 int s5p_mfc_dec_ctrls_setup(struct s5p_mfc_ctx *ctx)
1155 {
1156 struct v4l2_ctrl_config cfg;
1157 int i;
1158
1159 v4l2_ctrl_handler_init(&ctx->ctrl_handler, NUM_CTRLS);
1160 if (ctx->ctrl_handler.error) {
1161 mfc_err("v4l2_ctrl_handler_init failed\n");
1162 return ctx->ctrl_handler.error;
1163 }
1164
1165 for (i = 0; i < NUM_CTRLS; i++) {
1166 if (IS_MFC51_PRIV(controls[i].id)) {
1167 memset(&cfg, 0, sizeof(struct v4l2_ctrl_config));
1168 cfg.ops = &s5p_mfc_dec_ctrl_ops;
1169 cfg.id = controls[i].id;
1170 cfg.min = controls[i].minimum;
1171 cfg.max = controls[i].maximum;
1172 cfg.def = controls[i].default_value;
1173 cfg.name = controls[i].name;
1174 cfg.type = controls[i].type;
1175
1176 cfg.step = controls[i].step;
1177 cfg.menu_skip_mask = 0;
1178
1179 ctx->ctrls[i] = v4l2_ctrl_new_custom(&ctx->ctrl_handler,
1180 &cfg, NULL);
1181 } else {
1182 ctx->ctrls[i] = v4l2_ctrl_new_std(&ctx->ctrl_handler,
1183 &s5p_mfc_dec_ctrl_ops,
1184 controls[i].id, controls[i].minimum,
1185 controls[i].maximum, controls[i].step,
1186 controls[i].default_value);
1187 }
1188 if (ctx->ctrl_handler.error) {
1189 mfc_err("Adding control (%d) failed\n", i);
1190 return ctx->ctrl_handler.error;
1191 }
1192 if (controls[i].is_volatile && ctx->ctrls[i])
1193 ctx->ctrls[i]->flags |= V4L2_CTRL_FLAG_VOLATILE;
1194 }
1195 return 0;
1196 }
1197
s5p_mfc_dec_ctrls_delete(struct s5p_mfc_ctx * ctx)1198 void s5p_mfc_dec_ctrls_delete(struct s5p_mfc_ctx *ctx)
1199 {
1200 int i;
1201
1202 v4l2_ctrl_handler_free(&ctx->ctrl_handler);
1203 for (i = 0; i < NUM_CTRLS; i++)
1204 ctx->ctrls[i] = NULL;
1205 }
1206
s5p_mfc_dec_init(struct s5p_mfc_ctx * ctx)1207 void s5p_mfc_dec_init(struct s5p_mfc_ctx *ctx)
1208 {
1209 struct v4l2_format f;
1210 f.fmt.pix_mp.pixelformat = DEF_SRC_FMT_DEC;
1211 ctx->src_fmt = find_format(&f, MFC_FMT_DEC);
1212 f.fmt.pix_mp.pixelformat = DEF_DST_FMT_DEC;
1213 ctx->dst_fmt = find_format(&f, MFC_FMT_RAW);
1214 mfc_debug(2, "Default src_fmt is %x, dest_fmt is %x\n",
1215 (unsigned int)ctx->src_fmt, (unsigned int)ctx->dst_fmt);
1216 }
1217
1218