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[media] move soc_camera i2c drivers into its own dir
[deliverable/linux.git] / drivers / media / video / s5p-mfc / s5p_mfc_dec.c
CommitLineData
af935746
KD		 1/*
2 * linux/drivers/media/video/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/videobuf2-core.h>
26#include "regs-mfc.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#include "s5p_mfc_shm.h"
34
35static struct s5p_mfc_fmt formats[] = {
36 {
37 .name = "4:2:0 2 Planes 64x32 Tiles",
38 .fourcc = V4L2_PIX_FMT_NV12MT,
39 .codec_mode = S5P_FIMV_CODEC_NONE,
40 .type = MFC_FMT_RAW,
41 .num_planes = 2,
42 },
43 {
44 .name = "4:2:0 2 Planes",
45 .fourcc = V4L2_PIX_FMT_NV12M,
46 .codec_mode = S5P_FIMV_CODEC_NONE,
47 .type = MFC_FMT_RAW,
48 .num_planes = 2,
49 },
50 {
51 .name = "H264 Encoded Stream",
52 .fourcc = V4L2_PIX_FMT_H264,
53 .codec_mode = S5P_FIMV_CODEC_H264_DEC,
54 .type = MFC_FMT_DEC,
55 .num_planes = 1,
56 },
57 {
58 .name = "H263 Encoded Stream",
59 .fourcc = V4L2_PIX_FMT_H263,
60 .codec_mode = S5P_FIMV_CODEC_H263_DEC,
61 .type = MFC_FMT_DEC,
62 .num_planes = 1,
63 },
64 {
65 .name = "MPEG1 Encoded Stream",
66 .fourcc = V4L2_PIX_FMT_MPEG1,
67 .codec_mode = S5P_FIMV_CODEC_MPEG2_DEC,
68 .type = MFC_FMT_DEC,
69 .num_planes = 1,
70 },
71 {
72 .name = "MPEG2 Encoded Stream",
73 .fourcc = V4L2_PIX_FMT_MPEG2,
74 .codec_mode = S5P_FIMV_CODEC_MPEG2_DEC,
75 .type = MFC_FMT_DEC,
76 .num_planes = 1,
77 },
78 {
79 .name = "MPEG4 Encoded Stream",
80 .fourcc = V4L2_PIX_FMT_MPEG4,
81 .codec_mode = S5P_FIMV_CODEC_MPEG4_DEC,
82 .type = MFC_FMT_DEC,
83 .num_planes = 1,
84 },
85 {
86 .name = "XviD Encoded Stream",
87 .fourcc = V4L2_PIX_FMT_XVID,
88 .codec_mode = S5P_FIMV_CODEC_MPEG4_DEC,
89 .type = MFC_FMT_DEC,
90 .num_planes = 1,
91 },
92 {
93 .name = "VC1 Encoded Stream",
94 .fourcc = V4L2_PIX_FMT_VC1_ANNEX_G,
95 .codec_mode = S5P_FIMV_CODEC_VC1_DEC,
96 .type = MFC_FMT_DEC,
97 .num_planes = 1,
98 },
99 {
100 .name = "VC1 RCV Encoded Stream",
101 .fourcc = V4L2_PIX_FMT_VC1_ANNEX_L,
102 .codec_mode = S5P_FIMV_CODEC_VC1RCV_DEC,
103 .type = MFC_FMT_DEC,
104 .num_planes = 1,
105 },
106};
107
108#define NUM_FORMATS ARRAY_SIZE(formats)
109
110/* Find selected format description */
111static struct s5p_mfc_fmt *find_format(struct v4l2_format *f, unsigned int t)
112{
113 unsigned int i;
114
115 for (i = 0; i < NUM_FORMATS; i++) {
116 if (formats[i].fourcc == f->fmt.pix_mp.pixelformat &&
117 formats[i].type == t)
118 return &formats[i];
119 }
120 return NULL;
121}
122
123static struct mfc_control controls[] = {
124 {
125 .id = V4L2_CID_MPEG_MFC51_VIDEO_DECODER_H264_DISPLAY_DELAY,
126 .type = V4L2_CTRL_TYPE_INTEGER,
127 .name = "H264 Display Delay",
128 .minimum = 0,
129 .maximum = 16383,
130 .step = 1,
131 .default_value = 0,
132 },
133 {
134 .id = V4L2_CID_MPEG_MFC51_VIDEO_DECODER_H264_DISPLAY_DELAY_ENABLE,
135 .type = V4L2_CTRL_TYPE_BOOLEAN,
136 .name = "H264 Display Delay Enable",
137 .minimum = 0,
138 .maximum = 1,
139 .step = 1,
140 .default_value = 0,
141 },
142 {
143 .id = V4L2_CID_MPEG_VIDEO_DECODER_MPEG4_DEBLOCK_FILTER,
144 .type = V4L2_CTRL_TYPE_BOOLEAN,
145 .name = "Mpeg4 Loop Filter Enable",
146 .minimum = 0,
147 .maximum = 1,
148 .step = 1,
149 .default_value = 0,
150 },
151 {
152 .id = V4L2_CID_MPEG_VIDEO_DECODER_SLICE_INTERFACE,
153 .type = V4L2_CTRL_TYPE_BOOLEAN,
154 .name = "Slice Interface Enable",
155 .minimum = 0,
156 .maximum = 1,
157 .step = 1,
158 .default_value = 0,
159 },
160 {
161 .id = V4L2_CID_MIN_BUFFERS_FOR_CAPTURE,
162 .type = V4L2_CTRL_TYPE_INTEGER,
163 .name = "Minimum number of cap bufs",
164 .minimum = 1,
165 .maximum = 32,
166 .step = 1,
167 .default_value = 1,
0da0a783 168 .is_volatile = 1,
af935746
KD		 169 },
170};
171
172#define NUM_CTRLS ARRAY_SIZE(controls)
173
174/* Check whether a context should be run on hardware */
175static int s5p_mfc_ctx_ready(struct s5p_mfc_ctx *ctx)
176{
177 /* Context is to parse header */
178 if (ctx->src_queue_cnt >= 1 && ctx->state == MFCINST_GOT_INST)
179 return 1;
180 /* Context is to decode a frame */
181 if (ctx->src_queue_cnt >= 1 &&
182 ctx->state == MFCINST_RUNNING &&
183 ctx->dst_queue_cnt >= ctx->dpb_count)
184 return 1;
185 /* Context is to return last frame */
186 if (ctx->state == MFCINST_FINISHING &&
187 ctx->dst_queue_cnt >= ctx->dpb_count)
188 return 1;
189 /* Context is to set buffers */
190 if (ctx->src_queue_cnt >= 1 &&
191 ctx->state == MFCINST_HEAD_PARSED &&
192 ctx->capture_state == QUEUE_BUFS_MMAPED)
193 return 1;
194 /* Resolution change */
195 if ((ctx->state == MFCINST_RES_CHANGE_INIT ||
196 ctx->state == MFCINST_RES_CHANGE_FLUSH) &&
197 ctx->dst_queue_cnt >= ctx->dpb_count)
198 return 1;
199 if (ctx->state == MFCINST_RES_CHANGE_END &&
200 ctx->src_queue_cnt >= 1)
201 return 1;
202 mfc_debug(2, "ctx is not ready\n");
203 return 0;
204}
205
206static struct s5p_mfc_codec_ops decoder_codec_ops = {
207 .pre_seq_start = NULL,
208 .post_seq_start = NULL,
209 .pre_frame_start = NULL,
210 .post_frame_start = NULL,
211};
212
213/* Query capabilities of the device */
214static int vidioc_querycap(struct file *file, void *priv,
215 struct v4l2_capability *cap)
216{
217 struct s5p_mfc_dev *dev = video_drvdata(file);
218
219 strncpy(cap->driver, dev->plat_dev->name, sizeof(cap->driver) - 1);
220 strncpy(cap->card, dev->plat_dev->name, sizeof(cap->card) - 1);
221 cap->bus_info[0] = 0;
222 cap->version = KERNEL_VERSION(1, 0, 0);
f0476a83
SN		 223 /*
224 * This is only a mem-to-mem video device. The capture and output
225 * device capability flags are left only for backward compatibility
226 * and are scheduled for removal.
227 */
228 cap->capabilities = V4L2_CAP_VIDEO_M2M_MPLANE | V4L2_CAP_STREAMING |
229 V4L2_CAP_VIDEO_CAPTURE_MPLANE |
230 V4L2_CAP_VIDEO_OUTPUT_MPLANE;
af935746
KD		 231 return 0;
232}
233
234/* Enumerate format */
235static int vidioc_enum_fmt(struct v4l2_fmtdesc *f, bool mplane, bool out)
236{
237 struct s5p_mfc_fmt *fmt;
238 int i, j = 0;
239
240 for (i = 0; i < ARRAY_SIZE(formats); ++i) {
241 if (mplane && formats[i].num_planes == 1)
242 continue;
243 else if (!mplane && formats[i].num_planes > 1)
244 continue;
245 if (out && formats[i].type != MFC_FMT_DEC)
246 continue;
247 else if (!out && formats[i].type != MFC_FMT_RAW)
248 continue;
249
250 if (j == f->index)
251 break;
252 ++j;
253 }
254 if (i == ARRAY_SIZE(formats))
255 return -EINVAL;
256 fmt = &formats[i];
257 strlcpy(f->description, fmt->name, sizeof(f->description));
258 f->pixelformat = fmt->fourcc;
259 return 0;
260}
261
262static int vidioc_enum_fmt_vid_cap(struct file *file, void *pirv,
263 struct v4l2_fmtdesc *f)
264{
265 return vidioc_enum_fmt(f, false, false);
266}
267
268static int vidioc_enum_fmt_vid_cap_mplane(struct file *file, void *pirv,
269 struct v4l2_fmtdesc *f)
270{
271 return vidioc_enum_fmt(f, true, false);
272}
273
274static int vidioc_enum_fmt_vid_out(struct file *file, void *prov,
275 struct v4l2_fmtdesc *f)
276{
277 return vidioc_enum_fmt(f, false, true);
278}
279
280static int vidioc_enum_fmt_vid_out_mplane(struct file *file, void *prov,
281 struct v4l2_fmtdesc *f)
282{
283 return vidioc_enum_fmt(f, true, true);
284}
285
286/* Get format */
287static int vidioc_g_fmt(struct file *file, void *priv, struct v4l2_format *f)
288{
289 struct s5p_mfc_ctx *ctx = fh_to_ctx(priv);
290 struct v4l2_pix_format_mplane *pix_mp;
291
292 mfc_debug_enter();
293 pix_mp = &f->fmt.pix_mp;
294 if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE &&
295 (ctx->state == MFCINST_GOT_INST || ctx->state ==
296 MFCINST_RES_CHANGE_END)) {
297 /* If the MFC is parsing the header,
298 * so wait until it is finished */
299 s5p_mfc_clean_ctx_int_flags(ctx);
300 s5p_mfc_wait_for_done_ctx(ctx, S5P_FIMV_R2H_CMD_SEQ_DONE_RET,
301 0);
302 }
303 if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE &&
304 ctx->state >= MFCINST_HEAD_PARSED &&
305 ctx->state < MFCINST_ABORT) {
306 /* This is run on CAPTURE (decode output) */
307 /* Width and height are set to the dimensions
308 of the movie, the buffer is bigger and
309 further processing stages should crop to this
310 rectangle. */
311 pix_mp->width = ctx->buf_width;
312 pix_mp->height = ctx->buf_height;
313 pix_mp->field = V4L2_FIELD_NONE;
314 pix_mp->num_planes = 2;
315 /* Set pixelformat to the format in which MFC
316 outputs the decoded frame */
317 pix_mp->pixelformat = V4L2_PIX_FMT_NV12MT;
318 pix_mp->plane_fmt[0].bytesperline = ctx->buf_width;
319 pix_mp->plane_fmt[0].sizeimage = ctx->luma_size;
320 pix_mp->plane_fmt[1].bytesperline = ctx->buf_width;
321 pix_mp->plane_fmt[1].sizeimage = ctx->chroma_size;
322 } else if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
323 /* This is run on OUTPUT
324 The buffer contains compressed image
325 so width and height have no meaning */
326 pix_mp->width = 0;
327 pix_mp->height = 0;
328 pix_mp->field = V4L2_FIELD_NONE;
329 pix_mp->plane_fmt[0].bytesperline = ctx->dec_src_buf_size;
330 pix_mp->plane_fmt[0].sizeimage = ctx->dec_src_buf_size;
331 pix_mp->pixelformat = ctx->src_fmt->fourcc;
332 pix_mp->num_planes = ctx->src_fmt->num_planes;
333 } else {
334 mfc_err("Format could not be read\n");
335 mfc_debug(2, "%s-- with error\n", __func__);
336 return -EINVAL;
337 }
338 mfc_debug_leave();
339 return 0;
340}
341
342/* Try format */
343static int vidioc_try_fmt(struct file *file, void *priv, struct v4l2_format *f)
344{
345 struct s5p_mfc_fmt *fmt;
346
347 if (f->type != V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
348 mfc_err("This node supports decoding only\n");
349 return -EINVAL;
350 }
351 fmt = find_format(f, MFC_FMT_DEC);
352 if (!fmt) {
353 mfc_err("Unsupported format\n");
354 return -EINVAL;
355 }
356 if (fmt->type != MFC_FMT_DEC) {
357 mfc_err("\n");
358 return -EINVAL;
359 }
360 return 0;
361}
362
363/* Set format */
364static int vidioc_s_fmt(struct file *file, void *priv, struct v4l2_format *f)
365{
366 struct s5p_mfc_dev *dev = video_drvdata(file);
367 struct s5p_mfc_ctx *ctx = fh_to_ctx(priv);
368 int ret = 0;
369 struct s5p_mfc_fmt *fmt;
370 struct v4l2_pix_format_mplane *pix_mp;
371
372 mfc_debug_enter();
373 ret = vidioc_try_fmt(file, priv, f);
374 pix_mp = &f->fmt.pix_mp;
375 if (ret)
376 return ret;
377 if (ctx->vq_src.streaming || ctx->vq_dst.streaming) {
378 v4l2_err(&dev->v4l2_dev, "%s queue busy\n", __func__);
379 ret = -EBUSY;
380 goto out;
381 }
382 fmt = find_format(f, MFC_FMT_DEC);
383 if (!fmt || fmt->codec_mode == S5P_FIMV_CODEC_NONE) {
384 mfc_err("Unknown codec\n");
385 ret = -EINVAL;
386 goto out;
387 }
388 if (fmt->type != MFC_FMT_DEC) {
389 mfc_err("Wrong format selected, you should choose "
390 "format for decoding\n");
391 ret = -EINVAL;
392 goto out;
393 }
394 ctx->src_fmt = fmt;
395 ctx->codec_mode = fmt->codec_mode;
396 mfc_debug(2, "The codec number is: %d\n", ctx->codec_mode);
397 pix_mp->height = 0;
398 pix_mp->width = 0;
399 if (pix_mp->plane_fmt[0].sizeimage)
400 ctx->dec_src_buf_size = pix_mp->plane_fmt[0].sizeimage;
401 else
402 pix_mp->plane_fmt[0].sizeimage = ctx->dec_src_buf_size =
403 DEF_CPB_SIZE;
404 pix_mp->plane_fmt[0].bytesperline = 0;
405 ctx->state = MFCINST_INIT;
406out:
407 mfc_debug_leave();
408 return ret;
409}
410
411/* Reqeust buffers */
412static int vidioc_reqbufs(struct file *file, void *priv,
413 struct v4l2_requestbuffers *reqbufs)
414{
415 struct s5p_mfc_dev *dev = video_drvdata(file);
416 struct s5p_mfc_ctx *ctx = fh_to_ctx(priv);
417 int ret = 0;
418 unsigned long flags;
419
420 if (reqbufs->memory != V4L2_MEMORY_MMAP) {
421 mfc_err("Only V4L2_MEMORY_MAP is supported\n");
422 return -EINVAL;
423 }
424 if (reqbufs->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
425 /* Can only request buffers after an instance has been opened.*/
426 if (ctx->state == MFCINST_INIT) {
427 ctx->src_bufs_cnt = 0;
428 if (reqbufs->count == 0) {
429 mfc_debug(2, "Freeing buffers\n");
430 s5p_mfc_clock_on();
431 ret = vb2_reqbufs(&ctx->vq_src, reqbufs);
432 s5p_mfc_clock_off();
433 return ret;
434 }
435 /* Decoding */
436 if (ctx->output_state != QUEUE_FREE) {
437 mfc_err("Bufs have already been requested\n");
438 return -EINVAL;
439 }
440 s5p_mfc_clock_on();
441 ret = vb2_reqbufs(&ctx->vq_src, reqbufs);
442 s5p_mfc_clock_off();
443 if (ret) {
444 mfc_err("vb2_reqbufs on output failed\n");
445 return ret;
446 }
447 mfc_debug(2, "vb2_reqbufs: %d\n", ret);
448 ctx->output_state = QUEUE_BUFS_REQUESTED;
449 }
450 } else if (reqbufs->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
451 ctx->dst_bufs_cnt = 0;
452 if (reqbufs->count == 0) {
453 mfc_debug(2, "Freeing buffers\n");
454 s5p_mfc_clock_on();
455 ret = vb2_reqbufs(&ctx->vq_dst, reqbufs);
456 s5p_mfc_clock_off();
457 return ret;
458 }
459 if (ctx->capture_state != QUEUE_FREE) {
460 mfc_err("Bufs have already been requested\n");
461 return -EINVAL;
462 }
463 ctx->capture_state = QUEUE_BUFS_REQUESTED;
464 s5p_mfc_clock_on();
465 ret = vb2_reqbufs(&ctx->vq_dst, reqbufs);
466 s5p_mfc_clock_off();
467 if (ret) {
468 mfc_err("vb2_reqbufs on capture failed\n");
469 return ret;
470 }
471 if (reqbufs->count < ctx->dpb_count) {
472 mfc_err("Not enough buffers allocated\n");
473 reqbufs->count = 0;
474 s5p_mfc_clock_on();
475 ret = vb2_reqbufs(&ctx->vq_dst, reqbufs);
476 s5p_mfc_clock_off();
477 return -ENOMEM;
478 }
479 ctx->total_dpb_count = reqbufs->count;
480 ret = s5p_mfc_alloc_codec_buffers(ctx);
481 if (ret) {
482 mfc_err("Failed to allocate decoding buffers\n");
483 reqbufs->count = 0;
484 s5p_mfc_clock_on();
485 ret = vb2_reqbufs(&ctx->vq_dst, reqbufs);
486 s5p_mfc_clock_off();
487 return -ENOMEM;
488 }
489 if (ctx->dst_bufs_cnt == ctx->total_dpb_count) {
490 ctx->capture_state = QUEUE_BUFS_MMAPED;
491 } else {
492 mfc_err("Not all buffers passed to buf_init\n");
493 reqbufs->count = 0;
494 s5p_mfc_clock_on();
495 ret = vb2_reqbufs(&ctx->vq_dst, reqbufs);
496 s5p_mfc_release_codec_buffers(ctx);
497 s5p_mfc_clock_off();
498 return -ENOMEM;
499 }
500 if (s5p_mfc_ctx_ready(ctx)) {
501 spin_lock_irqsave(&dev->condlock, flags);
502 set_bit(ctx->num, &dev->ctx_work_bits);
503 spin_unlock_irqrestore(&dev->condlock, flags);
504 }
505 s5p_mfc_try_run(dev);
506 s5p_mfc_wait_for_done_ctx(ctx,
507 S5P_FIMV_R2H_CMD_INIT_BUFFERS_RET, 0);
508 }
509 return ret;
510}
511
512/* Query buffer */
513static int vidioc_querybuf(struct file *file, void *priv,
514 struct v4l2_buffer *buf)
515{
516 struct s5p_mfc_ctx *ctx = fh_to_ctx(priv);
517 int ret;
518 int i;
519
520 if (buf->memory != V4L2_MEMORY_MMAP) {
521 mfc_err("Only mmaped buffers can be used\n");
522 return -EINVAL;
523 }
524 mfc_debug(2, "State: %d, buf->type: %d\n", ctx->state, buf->type);
525 if (ctx->state == MFCINST_INIT &&
526 buf->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
527 ret = vb2_querybuf(&ctx->vq_src, buf);
528 } else if (ctx->state == MFCINST_RUNNING &&
529 buf->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
530 ret = vb2_querybuf(&ctx->vq_dst, buf);
531 for (i = 0; i < buf->length; i++)
532 buf->m.planes[i].m.mem_offset += DST_QUEUE_OFF_BASE;
533 } else {
534 mfc_err("vidioc_querybuf called in an inappropriate state\n");
535 ret = -EINVAL;
536 }
537 mfc_debug_leave();
538 return ret;
539}
540
541/* Queue a buffer */
542static int vidioc_qbuf(struct file *file, void *priv, struct v4l2_buffer *buf)
543{
544 struct s5p_mfc_ctx *ctx = fh_to_ctx(priv);
545
546 if (ctx->state == MFCINST_ERROR) {
547 mfc_err("Call on QBUF after unrecoverable error\n");
548 return -EIO;
549 }
550 if (buf->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
551 return vb2_qbuf(&ctx->vq_src, buf);
552 else if (buf->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE)
553 return vb2_qbuf(&ctx->vq_dst, buf);
554 return -EINVAL;
555}
556
557/* Dequeue a buffer */
558static int vidioc_dqbuf(struct file *file, void *priv, struct v4l2_buffer *buf)
559{
560 struct s5p_mfc_ctx *ctx = fh_to_ctx(priv);
561
562 if (ctx->state == MFCINST_ERROR) {
563 mfc_err("Call on DQBUF after unrecoverable error\n");
564 return -EIO;
565 }
566 if (buf->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
567 return vb2_dqbuf(&ctx->vq_src, buf, file->f_flags & O_NONBLOCK);
568 else if (buf->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE)
569 return vb2_dqbuf(&ctx->vq_dst, buf, file->f_flags & O_NONBLOCK);
570 return -EINVAL;
571}
572
573/* Stream on */
574static int vidioc_streamon(struct file *file, void *priv,
575 enum v4l2_buf_type type)
576{
577 struct s5p_mfc_ctx *ctx = fh_to_ctx(priv);
578 struct s5p_mfc_dev *dev = ctx->dev;
579 unsigned long flags;
580 int ret = -EINVAL;
581
582 mfc_debug_enter();
583 if (type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
584
585 if (ctx->state == MFCINST_INIT) {
586 ctx->dst_bufs_cnt = 0;
587 ctx->src_bufs_cnt = 0;
588 ctx->capture_state = QUEUE_FREE;
589 ctx->output_state = QUEUE_FREE;
590 s5p_mfc_alloc_instance_buffer(ctx);
591 s5p_mfc_alloc_dec_temp_buffers(ctx);
592 spin_lock_irqsave(&dev->condlock, flags);
593 set_bit(ctx->num, &dev->ctx_work_bits);
594 spin_unlock_irqrestore(&dev->condlock, flags);
595 s5p_mfc_clean_ctx_int_flags(ctx);
596 s5p_mfc_try_run(dev);
597
598 if (s5p_mfc_wait_for_done_ctx(ctx,
599 S5P_FIMV_R2H_CMD_OPEN_INSTANCE_RET, 0)) {
600 /* Error or timeout */
601 mfc_err("Error getting instance from hardware\n");
602 s5p_mfc_release_instance_buffer(ctx);
603 s5p_mfc_release_dec_desc_buffer(ctx);
604 return -EIO;
605 }
606 mfc_debug(2, "Got instance number: %d\n", ctx->inst_no);
607 }
608 ret = vb2_streamon(&ctx->vq_src, type);
609 }
610 else if (type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE)
611 ret = vb2_streamon(&ctx->vq_dst, type);
612 mfc_debug_leave();
613 return ret;
614}
615
616/* Stream off, which equals to a pause */
617static int vidioc_streamoff(struct file *file, void *priv,
618 enum v4l2_buf_type type)
619{
620 struct s5p_mfc_ctx *ctx = fh_to_ctx(priv);
621
622 if (type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
623 return vb2_streamoff(&ctx->vq_src, type);
624 else if (type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE)
625 return vb2_streamoff(&ctx->vq_dst, type);
626 return -EINVAL;
627}
628
629/* Set controls - v4l2 control framework */
630static int s5p_mfc_dec_s_ctrl(struct v4l2_ctrl *ctrl)
631{
632 struct s5p_mfc_ctx *ctx = ctrl_to_ctx(ctrl);
633
634 switch (ctrl->id) {
635 case V4L2_CID_MPEG_MFC51_VIDEO_DECODER_H264_DISPLAY_DELAY:
f60935c1 636 ctx->display_delay = ctrl->val;
af935746
KD		 637 break;
638 case V4L2_CID_MPEG_MFC51_VIDEO_DECODER_H264_DISPLAY_DELAY_ENABLE:
639 ctx->display_delay_enable = ctrl->val;
640 break;
641 case V4L2_CID_MPEG_VIDEO_DECODER_MPEG4_DEBLOCK_FILTER:
f60935c1 642 ctx->loop_filter_mpeg4 = ctrl->val;
af935746
KD		 643 break;
644 case V4L2_CID_MPEG_VIDEO_DECODER_SLICE_INTERFACE:
645 ctx->slice_interface = ctrl->val;
646 break;
647 default:
648 mfc_err("Invalid control 0x%08x\n", ctrl->id);
649 return -EINVAL;
650 }
651 return 0;
652}
653
654static int s5p_mfc_dec_g_v_ctrl(struct v4l2_ctrl *ctrl)
655{
656 struct s5p_mfc_ctx *ctx = ctrl_to_ctx(ctrl);
657 struct s5p_mfc_dev *dev = ctx->dev;
658
659 switch (ctrl->id) {
660 case V4L2_CID_MIN_BUFFERS_FOR_CAPTURE:
661 if (ctx->state >= MFCINST_HEAD_PARSED &&
662 ctx->state < MFCINST_ABORT) {
663 ctrl->val = ctx->dpb_count;
664 break;
665 } else if (ctx->state != MFCINST_INIT) {
666 v4l2_err(&dev->v4l2_dev, "Decoding not initialised\n");
667 return -EINVAL;
668 }
669 /* Should wait for the header to be parsed */
670 s5p_mfc_clean_ctx_int_flags(ctx);
671 s5p_mfc_wait_for_done_ctx(ctx,
672 S5P_FIMV_R2H_CMD_SEQ_DONE_RET, 0);
673 if (ctx->state >= MFCINST_HEAD_PARSED &&
674 ctx->state < MFCINST_ABORT) {
675 ctrl->val = ctx->dpb_count;
676 } else {
677 v4l2_err(&dev->v4l2_dev, "Decoding not initialised\n");
678 return -EINVAL;
679 }
680 break;
681 }
682 return 0;
683}
684
685
686static const struct v4l2_ctrl_ops s5p_mfc_dec_ctrl_ops = {
687 .s_ctrl = s5p_mfc_dec_s_ctrl,
688 .g_volatile_ctrl = s5p_mfc_dec_g_v_ctrl,
689};
690
691/* Get cropping information */
692static int vidioc_g_crop(struct file *file, void *priv,
693 struct v4l2_crop *cr)
694{
695 struct s5p_mfc_ctx *ctx = fh_to_ctx(priv);
696 u32 left, right, top, bottom;
697
698 if (ctx->state != MFCINST_HEAD_PARSED &&
699 ctx->state != MFCINST_RUNNING && ctx->state != MFCINST_FINISHING
700 && ctx->state != MFCINST_FINISHED) {
701 mfc_err("Cannont set crop\n");
702 return -EINVAL;
703 }
704 if (ctx->src_fmt->fourcc == V4L2_PIX_FMT_H264) {
705 left = s5p_mfc_read_shm(ctx, CROP_INFO_H);
706 right = left >> S5P_FIMV_SHARED_CROP_RIGHT_SHIFT;
707 left = left & S5P_FIMV_SHARED_CROP_LEFT_MASK;
708 top = s5p_mfc_read_shm(ctx, CROP_INFO_V);
709 bottom = top >> S5P_FIMV_SHARED_CROP_BOTTOM_SHIFT;
710 top = top & S5P_FIMV_SHARED_CROP_TOP_MASK;
711 cr->c.left = left;
712 cr->c.top = top;
713 cr->c.width = ctx->img_width - left - right;
714 cr->c.height = ctx->img_height - top - bottom;
715 mfc_debug(2, "Cropping info [h264]: l=%d t=%d "
716 "w=%d h=%d (r=%d b=%d fw=%d fh=%d\n", left, top,
717 cr->c.width, cr->c.height, right, bottom,
718 ctx->buf_width, ctx->buf_height);
719 } else {
720 cr->c.left = 0;
721 cr->c.top = 0;
722 cr->c.width = ctx->img_width;
723 cr->c.height = ctx->img_height;
724 mfc_debug(2, "Cropping info: w=%d h=%d fw=%d "
725 "fh=%d\n", cr->c.width, cr->c.height, ctx->buf_width,
726 ctx->buf_height);
727 }
728 return 0;
729}
730
731/* v4l2_ioctl_ops */
732static const struct v4l2_ioctl_ops s5p_mfc_dec_ioctl_ops = {
733 .vidioc_querycap = vidioc_querycap,
734 .vidioc_enum_fmt_vid_cap = vidioc_enum_fmt_vid_cap,
735 .vidioc_enum_fmt_vid_cap_mplane = vidioc_enum_fmt_vid_cap_mplane,
736 .vidioc_enum_fmt_vid_out = vidioc_enum_fmt_vid_out,
737 .vidioc_enum_fmt_vid_out_mplane = vidioc_enum_fmt_vid_out_mplane,
738 .vidioc_g_fmt_vid_cap_mplane = vidioc_g_fmt,
739 .vidioc_g_fmt_vid_out_mplane = vidioc_g_fmt,
740 .vidioc_try_fmt_vid_cap_mplane = vidioc_try_fmt,
741 .vidioc_try_fmt_vid_out_mplane = vidioc_try_fmt,
742 .vidioc_s_fmt_vid_cap_mplane = vidioc_s_fmt,
743 .vidioc_s_fmt_vid_out_mplane = vidioc_s_fmt,
744 .vidioc_reqbufs = vidioc_reqbufs,
745 .vidioc_querybuf = vidioc_querybuf,
746 .vidioc_qbuf = vidioc_qbuf,
747 .vidioc_dqbuf = vidioc_dqbuf,
748 .vidioc_streamon = vidioc_streamon,
749 .vidioc_streamoff = vidioc_streamoff,
750 .vidioc_g_crop = vidioc_g_crop,
751};
752
fc714e70
GL		 753static int s5p_mfc_queue_setup(struct vb2_queue *vq,
754 const struct v4l2_format *fmt, unsigned int *buf_count,
755 unsigned int *plane_count, unsigned int psize[],
756 void *allocators[])
af935746
KD		 757{
758 struct s5p_mfc_ctx *ctx = fh_to_ctx(vq->drv_priv);
759
760 /* Video output for decoding (source)
761 * this can be set after getting an instance */
762 if (ctx->state == MFCINST_INIT &&
763 vq->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
764 /* A single plane is required for input */
765 *plane_count = 1;
766 if (*buf_count < 1)
767 *buf_count = 1;
768 if (*buf_count > MFC_MAX_BUFFERS)
769 *buf_count = MFC_MAX_BUFFERS;
770 /* Video capture for decoding (destination)
771 * this can be set after the header was parsed */
772 } else if (ctx->state == MFCINST_HEAD_PARSED &&
773 vq->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
774 /* Output plane count is 2 - one for Y and one for CbCr */
775 *plane_count = 2;
776 /* Setup buffer count */
777 if (*buf_count < ctx->dpb_count)
778 *buf_count = ctx->dpb_count;
779 if (*buf_count > ctx->dpb_count + MFC_MAX_EXTRA_DPB)
780 *buf_count = ctx->dpb_count + MFC_MAX_EXTRA_DPB;
781 if (*buf_count > MFC_MAX_BUFFERS)
782 *buf_count = MFC_MAX_BUFFERS;
783 } else {
784 mfc_err("State seems invalid. State = %d, vq->type = %d\n",
785 ctx->state, vq->type);
786 return -EINVAL;
787 }
788 mfc_debug(2, "Buffer count=%d, plane count=%d\n",
789 *buf_count, *plane_count);
790 if (ctx->state == MFCINST_HEAD_PARSED &&
791 vq->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
792 psize[0] = ctx->luma_size;
793 psize[1] = ctx->chroma_size;
794 allocators[0] = ctx->dev->alloc_ctx[MFC_BANK2_ALLOC_CTX];
795 allocators[1] = ctx->dev->alloc_ctx[MFC_BANK1_ALLOC_CTX];
796 } else if (vq->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE &&
797 ctx->state == MFCINST_INIT) {
798 psize[0] = ctx->dec_src_buf_size;
799 allocators[0] = ctx->dev->alloc_ctx[MFC_BANK1_ALLOC_CTX];
800 } else {
801 mfc_err("This video node is dedicated to decoding. Decoding not initalised\n");
802 return -EINVAL;
803 }
804 return 0;
805}
806
807static void s5p_mfc_unlock(struct vb2_queue *q)
808{
809 struct s5p_mfc_ctx *ctx = fh_to_ctx(q->drv_priv);
810 struct s5p_mfc_dev *dev = ctx->dev;
811
812 mutex_unlock(&dev->mfc_mutex);
813}
814
815static void s5p_mfc_lock(struct vb2_queue *q)
816{
817 struct s5p_mfc_ctx *ctx = fh_to_ctx(q->drv_priv);
818 struct s5p_mfc_dev *dev = ctx->dev;
819
820 mutex_lock(&dev->mfc_mutex);
821}
822
823static int s5p_mfc_buf_init(struct vb2_buffer *vb)
824{
825 struct vb2_queue *vq = vb->vb2_queue;
826 struct s5p_mfc_ctx *ctx = fh_to_ctx(vq->drv_priv);
827 unsigned int i;
828
829 if (vq->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
830 if (ctx->capture_state == QUEUE_BUFS_MMAPED)
831 return 0;
832 for (i = 0; i <= ctx->src_fmt->num_planes ; i++) {
833 if (IS_ERR_OR_NULL(ERR_PTR(
ba7fcb0c 834 vb2_dma_contig_plane_dma_addr(vb, i)))) {
af935746
KD		 835 mfc_err("Plane mem not allocated\n");
836 return -EINVAL;
837 }
838 }
839 if (vb2_plane_size(vb, 0) < ctx->luma_size ||
840 vb2_plane_size(vb, 1) < ctx->chroma_size) {
841 mfc_err("Plane buffer (CAPTURE) is too small\n");
842 return -EINVAL;
843 }
844 i = vb->v4l2_buf.index;
845 ctx->dst_bufs[i].b = vb;
846 ctx->dst_bufs[i].cookie.raw.luma =
ba7fcb0c 847 vb2_dma_contig_plane_dma_addr(vb, 0);
af935746 848 ctx->dst_bufs[i].cookie.raw.chroma =
ba7fcb0c 849 vb2_dma_contig_plane_dma_addr(vb, 1);
af935746
KD		 850 ctx->dst_bufs_cnt++;
851 } else if (vq->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
852 if (IS_ERR_OR_NULL(ERR_PTR(
ba7fcb0c 853 vb2_dma_contig_plane_dma_addr(vb, 0)))) {
af935746
KD		 854 mfc_err("Plane memory not allocated\n");
855 return -EINVAL;
856 }
857 if (vb2_plane_size(vb, 0) < ctx->dec_src_buf_size) {
858 mfc_err("Plane buffer (OUTPUT) is too small\n");
859 return -EINVAL;
860 }
861
862 i = vb->v4l2_buf.index;
863 ctx->src_bufs[i].b = vb;
864 ctx->src_bufs[i].cookie.stream =
ba7fcb0c 865 vb2_dma_contig_plane_dma_addr(vb, 0);
af935746
KD		 866 ctx->src_bufs_cnt++;
867 } else {
868 mfc_err("s5p_mfc_buf_init: unknown queue type\n");
869 return -EINVAL;
870 }
871 return 0;
872}
873
bd323e28 874static int s5p_mfc_start_streaming(struct vb2_queue *q, unsigned int count)
af935746
KD		 875{
876 struct s5p_mfc_ctx *ctx = fh_to_ctx(q->drv_priv);
877 struct s5p_mfc_dev *dev = ctx->dev;
878 unsigned long flags;
879
880 v4l2_ctrl_handler_setup(&ctx->ctrl_handler);
881 if (ctx->state == MFCINST_FINISHING ||
882 ctx->state == MFCINST_FINISHED)
883 ctx->state = MFCINST_RUNNING;
884 /* If context is ready then dev = work->data;schedule it to run */
885 if (s5p_mfc_ctx_ready(ctx)) {
886 spin_lock_irqsave(&dev->condlock, flags);
887 set_bit(ctx->num, &dev->ctx_work_bits);
888 spin_unlock_irqrestore(&dev->condlock, flags);
889 }
890 s5p_mfc_try_run(dev);
891 return 0;
892}
893
894static int s5p_mfc_stop_streaming(struct vb2_queue *q)
895{
896 unsigned long flags;
897 struct s5p_mfc_ctx *ctx = fh_to_ctx(q->drv_priv);
898 struct s5p_mfc_dev *dev = ctx->dev;
899 int aborted = 0;
900
901 if ((ctx->state == MFCINST_FINISHING ||
902 ctx->state == MFCINST_RUNNING) &&
903 dev->curr_ctx == ctx->num && dev->hw_lock) {
904 ctx->state = MFCINST_ABORT;
905 s5p_mfc_wait_for_done_ctx(ctx,
906 S5P_FIMV_R2H_CMD_FRAME_DONE_RET, 0);
907 aborted = 1;
908 }
909 spin_lock_irqsave(&dev->irqlock, flags);
910 if (q->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
911 s5p_mfc_cleanup_queue(&ctx->dst_queue, &ctx->vq_dst);
912 INIT_LIST_HEAD(&ctx->dst_queue);
913 ctx->dst_queue_cnt = 0;
914 ctx->dpb_flush_flag = 1;
915 ctx->dec_dst_flag = 0;
916 }
917 if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
918 s5p_mfc_cleanup_queue(&ctx->src_queue, &ctx->vq_src);
919 INIT_LIST_HEAD(&ctx->src_queue);
920 ctx->src_queue_cnt = 0;
921 }
922 if (aborted)
923 ctx->state = MFCINST_RUNNING;
924 spin_unlock_irqrestore(&dev->irqlock, flags);
925 return 0;
926}
927
928
929static void s5p_mfc_buf_queue(struct vb2_buffer *vb)
930{
931 struct vb2_queue *vq = vb->vb2_queue;
932 struct s5p_mfc_ctx *ctx = fh_to_ctx(vq->drv_priv);
933 struct s5p_mfc_dev *dev = ctx->dev;
934 unsigned long flags;
935 struct s5p_mfc_buf *mfc_buf;
936
937 if (vq->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
938 mfc_buf = &ctx->src_bufs[vb->v4l2_buf.index];
939 mfc_buf->used = 0;
940 spin_lock_irqsave(&dev->irqlock, flags);
941 list_add_tail(&mfc_buf->list, &ctx->src_queue);
942 ctx->src_queue_cnt++;
943 spin_unlock_irqrestore(&dev->irqlock, flags);
944 } else if (vq->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
945 mfc_buf = &ctx->dst_bufs[vb->v4l2_buf.index];
946 mfc_buf->used = 0;
947 /* Mark destination as available for use by MFC */
948 spin_lock_irqsave(&dev->irqlock, flags);
949 set_bit(vb->v4l2_buf.index, &ctx->dec_dst_flag);
950 list_add_tail(&mfc_buf->list, &ctx->dst_queue);
951 ctx->dst_queue_cnt++;
952 spin_unlock_irqrestore(&dev->irqlock, flags);
953 } else {
954 mfc_err("Unsupported buffer type (%d)\n", vq->type);
955 }
956 if (s5p_mfc_ctx_ready(ctx)) {
957 spin_lock_irqsave(&dev->condlock, flags);
958 set_bit(ctx->num, &dev->ctx_work_bits);
959 spin_unlock_irqrestore(&dev->condlock, flags);
960 }
961 s5p_mfc_try_run(dev);
962}
963
964static struct vb2_ops s5p_mfc_dec_qops = {
965 .queue_setup = s5p_mfc_queue_setup,
966 .wait_prepare = s5p_mfc_unlock,
967 .wait_finish = s5p_mfc_lock,
968 .buf_init = s5p_mfc_buf_init,
969 .start_streaming = s5p_mfc_start_streaming,
970 .stop_streaming = s5p_mfc_stop_streaming,
971 .buf_queue = s5p_mfc_buf_queue,
972};
973
974struct s5p_mfc_codec_ops *get_dec_codec_ops(void)
975{
976 return &decoder_codec_ops;
977}
978
979struct vb2_ops *get_dec_queue_ops(void)
980{
981 return &s5p_mfc_dec_qops;
982}
983
984const struct v4l2_ioctl_ops *get_dec_v4l2_ioctl_ops(void)
985{
986 return &s5p_mfc_dec_ioctl_ops;
987}
988
989#define IS_MFC51_PRIV(x) ((V4L2_CTRL_ID2CLASS(x) == V4L2_CTRL_CLASS_MPEG) \
990 && V4L2_CTRL_DRIVER_PRIV(x))
991
992int s5p_mfc_dec_ctrls_setup(struct s5p_mfc_ctx *ctx)
993{
994 struct v4l2_ctrl_config cfg;
995 int i;
996
997 v4l2_ctrl_handler_init(&ctx->ctrl_handler, NUM_CTRLS);
998 if (ctx->ctrl_handler.error) {
999 mfc_err("v4l2_ctrl_handler_init failed\n");
1000 return ctx->ctrl_handler.error;
1001 }
1002
1003 for (i = 0; i < NUM_CTRLS; i++) {
1004 if (IS_MFC51_PRIV(controls[i].id)) {
a65c3262 1005 memset(&cfg, 0, sizeof(struct v4l2_ctrl_config));
af935746
KD		 1006 cfg.ops = &s5p_mfc_dec_ctrl_ops;
1007 cfg.id = controls[i].id;
1008 cfg.min = controls[i].minimum;
1009 cfg.max = controls[i].maximum;
1010 cfg.def = controls[i].default_value;
1011 cfg.name = controls[i].name;
1012 cfg.type = controls[i].type;
1013
1014 cfg.step = controls[i].step;
1015 cfg.menu_skip_mask = 0;
1016
1017 ctx->ctrls[i] = v4l2_ctrl_new_custom(&ctx->ctrl_handler,
1018 &cfg, NULL);
1019 } else {
1020 ctx->ctrls[i] = v4l2_ctrl_new_std(&ctx->ctrl_handler,
1021 &s5p_mfc_dec_ctrl_ops,
1022 controls[i].id, controls[i].minimum,
1023 controls[i].maximum, controls[i].step,
1024 controls[i].default_value);
1025 }
1026 if (ctx->ctrl_handler.error) {
1027 mfc_err("Adding control (%d) failed\n", i);
1028 return ctx->ctrl_handler.error;
1029 }
1030 if (controls[i].is_volatile && ctx->ctrls[i])
88365105 1031 ctx->ctrls[i]->flags |= V4L2_CTRL_FLAG_VOLATILE;
af935746
KD		 1032 }
1033 return 0;
1034}
1035
1036void s5p_mfc_dec_ctrls_delete(struct s5p_mfc_ctx *ctx)
1037{
1038 int i;
1039
1040 v4l2_ctrl_handler_free(&ctx->ctrl_handler);
1041 for (i = 0; i < NUM_CTRLS; i++)
1042 ctx->ctrls[i] = NULL;
1043}
1044
Linux kernel - Deliverables
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