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mfd: wm8350-i2c: Make sure the i2c regmap functions are compiled
[linux/fpc-iii.git] / drivers / media / platform / s5p-mfc / s5p_mfc_dec.c
blob8faf9691712dd8febd2c06abecd5e8b2cff29068
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 */
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 */
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 */
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 */
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
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
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
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
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 */
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 = ctx->dst_fmt->fourcc;
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 */
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 (fmt->codec_mode == S5P_FIMV_CODEC_NONE) {
386 mfc_err("Unknown codec\n");
387 return -EINVAL;
388 }
389 if (!IS_MFCV6_PLUS(dev)) {
390 if (fmt->fourcc == V4L2_PIX_FMT_VP8) {
391 mfc_err("Not supported format.\n");
392 return -EINVAL;
393 }
394 }
395 } else if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
396 fmt = find_format(f, MFC_FMT_RAW);
397 if (!fmt) {
398 mfc_err("Unsupported format for destination.\n");
399 return -EINVAL;
400 }
401 if (IS_MFCV6_PLUS(dev) &&
402 (fmt->fourcc == V4L2_PIX_FMT_NV12MT)) {
403 mfc_err("Not supported format.\n");
404 return -EINVAL;
405 } else if (!IS_MFCV6_PLUS(dev) &&
406 (fmt->fourcc != V4L2_PIX_FMT_NV12MT)) {
407 mfc_err("Not supported format.\n");
408 return -EINVAL;
409 }
410 }
411
412 return 0;
413 }
414
415 /* Set format */
416 static int vidioc_s_fmt(struct file *file, void *priv, struct v4l2_format *f)
417 {
418 struct s5p_mfc_dev *dev = video_drvdata(file);
419 struct s5p_mfc_ctx *ctx = fh_to_ctx(priv);
420 int ret = 0;
421 struct v4l2_pix_format_mplane *pix_mp;
422
423 mfc_debug_enter();
424 ret = vidioc_try_fmt(file, priv, f);
425 pix_mp = &f->fmt.pix_mp;
426 if (ret)
427 return ret;
428 if (ctx->vq_src.streaming || ctx->vq_dst.streaming) {
429 v4l2_err(&dev->v4l2_dev, "%s queue busy\n", __func__);
430 ret = -EBUSY;
431 goto out;
432 }
433 if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
434 /* dst_fmt is validated by call to vidioc_try_fmt */
435 ctx->dst_fmt = find_format(f, MFC_FMT_RAW);
436 ret = 0;
437 goto out;
438 } else if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
439 /* src_fmt is validated by call to vidioc_try_fmt */
440 ctx->src_fmt = find_format(f, MFC_FMT_DEC);
441 ctx->codec_mode = ctx->src_fmt->codec_mode;
442 mfc_debug(2, "The codec number is: %d\n", ctx->codec_mode);
443 pix_mp->height = 0;
444 pix_mp->width = 0;
445 if (pix_mp->plane_fmt[0].sizeimage)
446 ctx->dec_src_buf_size = pix_mp->plane_fmt[0].sizeimage;
447 else
448 pix_mp->plane_fmt[0].sizeimage = ctx->dec_src_buf_size =
449 DEF_CPB_SIZE;
450 pix_mp->plane_fmt[0].bytesperline = 0;
451 ctx->state = MFCINST_INIT;
452 ret = 0;
453 goto out;
454 } else {
455 mfc_err("Wrong type error for S_FMT : %d", f->type);
456 ret = -EINVAL;
457 goto out;
458 }
459
460 out:
461 mfc_debug_leave();
462 return ret;
463 }
464
465 /* Reqeust buffers */
466 static int vidioc_reqbufs(struct file *file, void *priv,
467 struct v4l2_requestbuffers *reqbufs)
468 {
469 struct s5p_mfc_dev *dev = video_drvdata(file);
470 struct s5p_mfc_ctx *ctx = fh_to_ctx(priv);
471 int ret = 0;
472
473 if (reqbufs->memory != V4L2_MEMORY_MMAP) {
474 mfc_err("Only V4L2_MEMORY_MAP is supported\n");
475 return -EINVAL;
476 }
477 if (reqbufs->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
478 /* Can only request buffers after an instance has been opened.*/
479 if (ctx->state == MFCINST_INIT) {
480 ctx->src_bufs_cnt = 0;
481 if (reqbufs->count == 0) {
482 mfc_debug(2, "Freeing buffers\n");
483 s5p_mfc_clock_on();
484 ret = vb2_reqbufs(&ctx->vq_src, reqbufs);
485 s5p_mfc_clock_off();
486 return ret;
487 }
488 /* Decoding */
489 if (ctx->output_state != QUEUE_FREE) {
490 mfc_err("Bufs have already been requested\n");
491 return -EINVAL;
492 }
493 s5p_mfc_clock_on();
494 ret = vb2_reqbufs(&ctx->vq_src, reqbufs);
495 s5p_mfc_clock_off();
496 if (ret) {
497 mfc_err("vb2_reqbufs on output failed\n");
498 return ret;
499 }
500 mfc_debug(2, "vb2_reqbufs: %d\n", ret);
501 ctx->output_state = QUEUE_BUFS_REQUESTED;
502 }
503 } else if (reqbufs->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
504 ctx->dst_bufs_cnt = 0;
505 if (reqbufs->count == 0) {
506 mfc_debug(2, "Freeing buffers\n");
507 s5p_mfc_clock_on();
508 ret = vb2_reqbufs(&ctx->vq_dst, reqbufs);
509 s5p_mfc_clock_off();
510 return ret;
511 }
512 if (ctx->capture_state != QUEUE_FREE) {
513 mfc_err("Bufs have already been requested\n");
514 return -EINVAL;
515 }
516 ctx->capture_state = QUEUE_BUFS_REQUESTED;
517 s5p_mfc_clock_on();
518 ret = vb2_reqbufs(&ctx->vq_dst, reqbufs);
519 s5p_mfc_clock_off();
520 if (ret) {
521 mfc_err("vb2_reqbufs on capture failed\n");
522 return ret;
523 }
524 if (reqbufs->count < ctx->pb_count) {
525 mfc_err("Not enough buffers allocated\n");
526 reqbufs->count = 0;
527 s5p_mfc_clock_on();
528 ret = vb2_reqbufs(&ctx->vq_dst, reqbufs);
529 s5p_mfc_clock_off();
530 return -ENOMEM;
531 }
532 ctx->total_dpb_count = reqbufs->count;
533 ret = s5p_mfc_hw_call(dev->mfc_ops, alloc_codec_buffers, ctx);
534 if (ret) {
535 mfc_err("Failed to allocate decoding buffers\n");
536 reqbufs->count = 0;
537 s5p_mfc_clock_on();
538 ret = vb2_reqbufs(&ctx->vq_dst, reqbufs);
539 s5p_mfc_clock_off();
540 return -ENOMEM;
541 }
542 if (ctx->dst_bufs_cnt == ctx->total_dpb_count) {
543 ctx->capture_state = QUEUE_BUFS_MMAPED;
544 } else {
545 mfc_err("Not all buffers passed to buf_init\n");
546 reqbufs->count = 0;
547 s5p_mfc_clock_on();
548 ret = vb2_reqbufs(&ctx->vq_dst, reqbufs);
549 s5p_mfc_hw_call(dev->mfc_ops, release_codec_buffers,
550 ctx);
551 s5p_mfc_clock_off();
552 return -ENOMEM;
553 }
554 if (s5p_mfc_ctx_ready(ctx))
555 set_work_bit_irqsave(ctx);
556 s5p_mfc_hw_call(dev->mfc_ops, try_run, dev);
557 s5p_mfc_wait_for_done_ctx(ctx,
558 S5P_MFC_R2H_CMD_INIT_BUFFERS_RET, 0);
559 }
560 return ret;
561 }
562
563 /* Query buffer */
564 static int vidioc_querybuf(struct file *file, void *priv,
565 struct v4l2_buffer *buf)
566 {
567 struct s5p_mfc_ctx *ctx = fh_to_ctx(priv);
568 int ret;
569 int i;
570
571 if (buf->memory != V4L2_MEMORY_MMAP) {
572 mfc_err("Only mmaped buffers can be used\n");
573 return -EINVAL;
574 }
575 mfc_debug(2, "State: %d, buf->type: %d\n", ctx->state, buf->type);
576 if (ctx->state == MFCINST_INIT &&
577 buf->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
578 ret = vb2_querybuf(&ctx->vq_src, buf);
579 } else if (ctx->state == MFCINST_RUNNING &&
580 buf->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
581 ret = vb2_querybuf(&ctx->vq_dst, buf);
582 for (i = 0; i < buf->length; i++)
583 buf->m.planes[i].m.mem_offset += DST_QUEUE_OFF_BASE;
584 } else {
585 mfc_err("vidioc_querybuf called in an inappropriate state\n");
586 ret = -EINVAL;
587 }
588 mfc_debug_leave();
589 return ret;
590 }
591
592 /* Queue a buffer */
593 static int vidioc_qbuf(struct file *file, void *priv, struct v4l2_buffer *buf)
594 {
595 struct s5p_mfc_ctx *ctx = fh_to_ctx(priv);
596
597 if (ctx->state == MFCINST_ERROR) {
598 mfc_err("Call on QBUF after unrecoverable error\n");
599 return -EIO;
600 }
601 if (buf->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
602 return vb2_qbuf(&ctx->vq_src, buf);
603 else if (buf->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE)
604 return vb2_qbuf(&ctx->vq_dst, buf);
605 return -EINVAL;
606 }
607
608 /* Dequeue a buffer */
609 static int vidioc_dqbuf(struct file *file, void *priv, struct v4l2_buffer *buf)
610 {
611 const struct v4l2_event ev = {
612 .type = V4L2_EVENT_EOS
613 };
614 struct s5p_mfc_ctx *ctx = fh_to_ctx(priv);
615 int ret;
616
617 if (ctx->state == MFCINST_ERROR) {
618 mfc_err("Call on DQBUF after unrecoverable error\n");
619 return -EIO;
620 }
621 if (buf->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
622 ret = vb2_dqbuf(&ctx->vq_src, buf, file->f_flags & O_NONBLOCK);
623 else if (buf->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
624 ret = vb2_dqbuf(&ctx->vq_dst, buf, file->f_flags & O_NONBLOCK);
625 if (ret == 0 && ctx->state == MFCINST_FINISHED &&
626 list_empty(&ctx->vq_dst.done_list))
627 v4l2_event_queue_fh(&ctx->fh, &ev);
628 } else {
629 ret = -EINVAL;
630 }
631 return ret;
632 }
633
634 /* Export DMA buffer */
635 static int vidioc_expbuf(struct file *file, void *priv,
636 struct v4l2_exportbuffer *eb)
637 {
638 struct s5p_mfc_ctx *ctx = fh_to_ctx(priv);
639
640 if (eb->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
641 return vb2_expbuf(&ctx->vq_src, eb);
642 if (eb->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE)
643 return vb2_expbuf(&ctx->vq_dst, eb);
644 return -EINVAL;
645 }
646
647 /* Stream on */
648 static int vidioc_streamon(struct file *file, void *priv,
649 enum v4l2_buf_type type)
650 {
651 struct s5p_mfc_ctx *ctx = fh_to_ctx(priv);
652 struct s5p_mfc_dev *dev = ctx->dev;
653 int ret = -EINVAL;
654
655 mfc_debug_enter();
656 if (type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
657
658 if (ctx->state == MFCINST_INIT) {
659 ctx->dst_bufs_cnt = 0;
660 ctx->src_bufs_cnt = 0;
661 ctx->capture_state = QUEUE_FREE;
662 ctx->output_state = QUEUE_FREE;
663 s5p_mfc_hw_call(dev->mfc_ops, alloc_instance_buffer,
664 ctx);
665 s5p_mfc_hw_call(dev->mfc_ops, alloc_dec_temp_buffers,
666 ctx);
667 set_work_bit_irqsave(ctx);
668 s5p_mfc_clean_ctx_int_flags(ctx);
669 s5p_mfc_hw_call(dev->mfc_ops, try_run, dev);
670
671 if (s5p_mfc_wait_for_done_ctx(ctx,
672 S5P_MFC_R2H_CMD_OPEN_INSTANCE_RET, 0)) {
673 /* Error or timeout */
674 mfc_err("Error getting instance from hardware\n");
675 s5p_mfc_hw_call(dev->mfc_ops,
676 release_instance_buffer, ctx);
677 s5p_mfc_hw_call(dev->mfc_ops,
678 release_dec_desc_buffer, ctx);
679 return -EIO;
680 }
681 mfc_debug(2, "Got instance number: %d\n", ctx->inst_no);
682 }
683 ret = vb2_streamon(&ctx->vq_src, type);
684 }
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 v4l2_err(&dev->v4l2_dev, "Decoding not initialised\n");
742 return -EINVAL;
743 }
744 /* Should wait for the header to be parsed */
745 s5p_mfc_clean_ctx_int_flags(ctx);
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 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(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 default:
855 return -EINVAL;
856 }
857 }
858
859
860 /* v4l2_ioctl_ops */
861 static const struct v4l2_ioctl_ops s5p_mfc_dec_ioctl_ops = {
862 .vidioc_querycap = vidioc_querycap,
863 .vidioc_enum_fmt_vid_cap = vidioc_enum_fmt_vid_cap,
864 .vidioc_enum_fmt_vid_cap_mplane = vidioc_enum_fmt_vid_cap_mplane,
865 .vidioc_enum_fmt_vid_out = vidioc_enum_fmt_vid_out,
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 void s5p_mfc_unlock(struct vb2_queue *q)
948 {
949 struct s5p_mfc_ctx *ctx = fh_to_ctx(q->drv_priv);
950 struct s5p_mfc_dev *dev = ctx->dev;
951
952 mutex_unlock(&dev->mfc_mutex);
953 }
954
955 static void s5p_mfc_lock(struct vb2_queue *q)
956 {
957 struct s5p_mfc_ctx *ctx = fh_to_ctx(q->drv_priv);
958 struct s5p_mfc_dev *dev = ctx->dev;
959
960 mutex_lock(&dev->mfc_mutex);
961 }
962
963 static int s5p_mfc_buf_init(struct vb2_buffer *vb)
964 {
965 struct vb2_queue *vq = vb->vb2_queue;
966 struct s5p_mfc_ctx *ctx = fh_to_ctx(vq->drv_priv);
967 unsigned int i;
968
969 if (vq->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
970 if (ctx->capture_state == QUEUE_BUFS_MMAPED)
971 return 0;
972 for (i = 0; i <= ctx->src_fmt->num_planes ; i++) {
973 if (IS_ERR_OR_NULL(ERR_PTR(
974 vb2_dma_contig_plane_dma_addr(vb, i)))) {
975 mfc_err("Plane mem not allocated\n");
976 return -EINVAL;
977 }
978 }
979 if (vb2_plane_size(vb, 0) < ctx->luma_size ||
980 vb2_plane_size(vb, 1) < ctx->chroma_size) {
981 mfc_err("Plane buffer (CAPTURE) is too small\n");
982 return -EINVAL;
983 }
984 i = vb->v4l2_buf.index;
985 ctx->dst_bufs[i].b = vb;
986 ctx->dst_bufs[i].cookie.raw.luma =
987 vb2_dma_contig_plane_dma_addr(vb, 0);
988 ctx->dst_bufs[i].cookie.raw.chroma =
989 vb2_dma_contig_plane_dma_addr(vb, 1);
990 ctx->dst_bufs_cnt++;
991 } else if (vq->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
992 if (IS_ERR_OR_NULL(ERR_PTR(
993 vb2_dma_contig_plane_dma_addr(vb, 0)))) {
994 mfc_err("Plane memory not allocated\n");
995 return -EINVAL;
996 }
997 if (vb2_plane_size(vb, 0) < ctx->dec_src_buf_size) {
998 mfc_err("Plane buffer (OUTPUT) is too small\n");
999 return -EINVAL;
1000 }
1001
1002 i = vb->v4l2_buf.index;
1003 ctx->src_bufs[i].b = vb;
1004 ctx->src_bufs[i].cookie.stream =
1005 vb2_dma_contig_plane_dma_addr(vb, 0);
1006 ctx->src_bufs_cnt++;
1007 } else {
1008 mfc_err("s5p_mfc_buf_init: unknown queue type\n");
1009 return -EINVAL;
1010 }
1011 return 0;
1012 }
1013
1014 static int s5p_mfc_start_streaming(struct vb2_queue *q, unsigned int count)
1015 {
1016 struct s5p_mfc_ctx *ctx = fh_to_ctx(q->drv_priv);
1017 struct s5p_mfc_dev *dev = ctx->dev;
1018
1019 v4l2_ctrl_handler_setup(&ctx->ctrl_handler);
1020 if (ctx->state == MFCINST_FINISHING ||
1021 ctx->state == MFCINST_FINISHED)
1022 ctx->state = MFCINST_RUNNING;
1023 /* If context is ready then dev = work->data;schedule it to run */
1024 if (s5p_mfc_ctx_ready(ctx))
1025 set_work_bit_irqsave(ctx);
1026 s5p_mfc_hw_call(dev->mfc_ops, try_run, dev);
1027 return 0;
1028 }
1029
1030 static int s5p_mfc_stop_streaming(struct vb2_queue *q)
1031 {
1032 unsigned long flags;
1033 struct s5p_mfc_ctx *ctx = fh_to_ctx(q->drv_priv);
1034 struct s5p_mfc_dev *dev = ctx->dev;
1035 int aborted = 0;
1036
1037 if ((ctx->state == MFCINST_FINISHING ||
1038 ctx->state == MFCINST_RUNNING) &&
1039 dev->curr_ctx == ctx->num && dev->hw_lock) {
1040 ctx->state = MFCINST_ABORT;
1041 s5p_mfc_wait_for_done_ctx(ctx,
1042 S5P_MFC_R2H_CMD_FRAME_DONE_RET, 0);
1043 aborted = 1;
1044 }
1045 if (q->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
1046 spin_lock_irqsave(&dev->irqlock, flags);
1047 s5p_mfc_hw_call(dev->mfc_ops, cleanup_queue, &ctx->dst_queue,
1048 &ctx->vq_dst);
1049 INIT_LIST_HEAD(&ctx->dst_queue);
1050 ctx->dst_queue_cnt = 0;
1051 ctx->dpb_flush_flag = 1;
1052 ctx->dec_dst_flag = 0;
1053 spin_unlock_irqrestore(&dev->irqlock, flags);
1054 if (IS_MFCV6_PLUS(dev) && (ctx->state == MFCINST_RUNNING)) {
1055 ctx->state = MFCINST_FLUSH;
1056 set_work_bit_irqsave(ctx);
1057 s5p_mfc_clean_ctx_int_flags(ctx);
1058 s5p_mfc_hw_call(dev->mfc_ops, try_run, dev);
1059 if (s5p_mfc_wait_for_done_ctx(ctx,
1060 S5P_MFC_R2H_CMD_DPB_FLUSH_RET, 0))
1061 mfc_err("Err flushing buffers\n");
1062 }
1063 }
1064 if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
1065 spin_lock_irqsave(&dev->irqlock, flags);
1066 s5p_mfc_hw_call(dev->mfc_ops, cleanup_queue, &ctx->src_queue,
1067 &ctx->vq_src);
1068 INIT_LIST_HEAD(&ctx->src_queue);
1069 ctx->src_queue_cnt = 0;
1070 spin_unlock_irqrestore(&dev->irqlock, flags);
1071 }
1072 if (aborted)
1073 ctx->state = MFCINST_RUNNING;
1074 return 0;
1075 }
1076
1077
1078 static void s5p_mfc_buf_queue(struct vb2_buffer *vb)
1079 {
1080 struct vb2_queue *vq = vb->vb2_queue;
1081 struct s5p_mfc_ctx *ctx = fh_to_ctx(vq->drv_priv);
1082 struct s5p_mfc_dev *dev = ctx->dev;
1083 unsigned long flags;
1084 struct s5p_mfc_buf *mfc_buf;
1085
1086 if (vq->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
1087 mfc_buf = &ctx->src_bufs[vb->v4l2_buf.index];
1088 mfc_buf->flags &= ~MFC_BUF_FLAG_USED;
1089 spin_lock_irqsave(&dev->irqlock, flags);
1090 list_add_tail(&mfc_buf->list, &ctx->src_queue);
1091 ctx->src_queue_cnt++;
1092 spin_unlock_irqrestore(&dev->irqlock, flags);
1093 } else if (vq->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
1094 mfc_buf = &ctx->dst_bufs[vb->v4l2_buf.index];
1095 mfc_buf->flags &= ~MFC_BUF_FLAG_USED;
1096 /* Mark destination as available for use by MFC */
1097 spin_lock_irqsave(&dev->irqlock, flags);
1098 set_bit(vb->v4l2_buf.index, &ctx->dec_dst_flag);
1099 list_add_tail(&mfc_buf->list, &ctx->dst_queue);
1100 ctx->dst_queue_cnt++;
1101 spin_unlock_irqrestore(&dev->irqlock, flags);
1102 } else {
1103 mfc_err("Unsupported buffer type (%d)\n", vq->type);
1104 }
1105 if (s5p_mfc_ctx_ready(ctx))
1106 set_work_bit_irqsave(ctx);
1107 s5p_mfc_hw_call(dev->mfc_ops, try_run, dev);
1108 }
1109
1110 static struct vb2_ops s5p_mfc_dec_qops = {
1111 .queue_setup = s5p_mfc_queue_setup,
1112 .wait_prepare = s5p_mfc_unlock,
1113 .wait_finish = s5p_mfc_lock,
1114 .buf_init = s5p_mfc_buf_init,
1115 .start_streaming = s5p_mfc_start_streaming,
1116 .stop_streaming = s5p_mfc_stop_streaming,
1117 .buf_queue = s5p_mfc_buf_queue,
1118 };
1119
1120 struct s5p_mfc_codec_ops *get_dec_codec_ops(void)
1121 {
1122 return &decoder_codec_ops;
1123 }
1124
1125 struct vb2_ops *get_dec_queue_ops(void)
1126 {
1127 return &s5p_mfc_dec_qops;
1128 }
1129
1130 const struct v4l2_ioctl_ops *get_dec_v4l2_ioctl_ops(void)
1131 {
1132 return &s5p_mfc_dec_ioctl_ops;
1133 }
1134
1135 #define IS_MFC51_PRIV(x) ((V4L2_CTRL_ID2CLASS(x) == V4L2_CTRL_CLASS_MPEG) \
1136 && V4L2_CTRL_DRIVER_PRIV(x))
1137
1138 int s5p_mfc_dec_ctrls_setup(struct s5p_mfc_ctx *ctx)
1139 {
1140 struct v4l2_ctrl_config cfg;
1141 int i;
1142
1143 v4l2_ctrl_handler_init(&ctx->ctrl_handler, NUM_CTRLS);
1144 if (ctx->ctrl_handler.error) {
1145 mfc_err("v4l2_ctrl_handler_init failed\n");
1146 return ctx->ctrl_handler.error;
1147 }
1148
1149 for (i = 0; i < NUM_CTRLS; i++) {
1150 if (IS_MFC51_PRIV(controls[i].id)) {
1151 memset(&cfg, 0, sizeof(struct v4l2_ctrl_config));
1152 cfg.ops = &s5p_mfc_dec_ctrl_ops;
1153 cfg.id = controls[i].id;
1154 cfg.min = controls[i].minimum;
1155 cfg.max = controls[i].maximum;
1156 cfg.def = controls[i].default_value;
1157 cfg.name = controls[i].name;
1158 cfg.type = controls[i].type;
1159
1160 cfg.step = controls[i].step;
1161 cfg.menu_skip_mask = 0;
1162
1163 ctx->ctrls[i] = v4l2_ctrl_new_custom(&ctx->ctrl_handler,
1164 &cfg, NULL);
1165 } else {
1166 ctx->ctrls[i] = v4l2_ctrl_new_std(&ctx->ctrl_handler,
1167 &s5p_mfc_dec_ctrl_ops,
1168 controls[i].id, controls[i].minimum,
1169 controls[i].maximum, controls[i].step,
1170 controls[i].default_value);
1171 }
1172 if (ctx->ctrl_handler.error) {
1173 mfc_err("Adding control (%d) failed\n", i);
1174 return ctx->ctrl_handler.error;
1175 }
1176 if (controls[i].is_volatile && ctx->ctrls[i])
1177 ctx->ctrls[i]->flags |= V4L2_CTRL_FLAG_VOLATILE;
1178 }
1179 return 0;
1180 }
1181
1182 void s5p_mfc_dec_ctrls_delete(struct s5p_mfc_ctx *ctx)
1183 {
1184 int i;
1185
1186 v4l2_ctrl_handler_free(&ctx->ctrl_handler);
1187 for (i = 0; i < NUM_CTRLS; i++)
1188 ctx->ctrls[i] = NULL;
1189 }
1190
1191 void s5p_mfc_dec_init(struct s5p_mfc_ctx *ctx)
1192 {
1193 struct v4l2_format f;
1194 f.fmt.pix_mp.pixelformat = DEF_SRC_FMT_DEC;
1195 ctx->src_fmt = find_format(&f, MFC_FMT_DEC);
1196 f.fmt.pix_mp.pixelformat = DEF_DST_FMT_DEC;
1197 ctx->dst_fmt = find_format(&f, MFC_FMT_RAW);
1198 mfc_debug(2, "Default src_fmt is %x, dest_fmt is %x\n",
1199 (unsigned int)ctx->src_fmt, (unsigned int)ctx->dst_fmt);
1200 }
1201
Linux with added FPC-III support