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10#include <linux/clk.h>
11#include <linux/debugfs.h>
12#include <linux/delay.h>
13#include <linux/firmware.h>
14#include <linux/gcd.h>
15#include <linux/genalloc.h>
16#include <linux/idr.h>
17#include <linux/interrupt.h>
18#include <linux/io.h>
19#include <linux/irq.h>
20#include <linux/kfifo.h>
21#include <linux/module.h>
22#include <linux/of_device.h>
23#include <linux/platform_device.h>
24#include <linux/pm_runtime.h>
25#include <linux/slab.h>
26#include <linux/videodev2.h>
27#include <linux/of.h>
28#include <linux/platform_data/media/coda.h>
29#include <linux/reset.h>
30
31#include <media/v4l2-ctrls.h>
32#include <media/v4l2-device.h>
33#include <media/v4l2-event.h>
34#include <media/v4l2-ioctl.h>
35#include <media/v4l2-mem2mem.h>
36#include <media/videobuf2-v4l2.h>
37#include <media/videobuf2-dma-contig.h>
38#include <media/videobuf2-vmalloc.h>
39
40#include "coda.h"
41#include "imx-vdoa.h"
42
43#define CODA_NAME "coda"
44
45#define CODADX6_MAX_INSTANCES 4
46#define CODA_MAX_FORMATS 4
47
48#define CODA_ISRAM_SIZE (2048 * 2)
49
50#define MIN_W 48
51#define MIN_H 16
52
53#define S_ALIGN 1
54#define W_ALIGN 1
55#define H_ALIGN 1
56
57#define fh_to_ctx(__fh) container_of(__fh, struct coda_ctx, fh)
58
59int coda_debug;
60module_param(coda_debug, int, 0644);
61MODULE_PARM_DESC(coda_debug, "Debug level (0-2)");
62
63static int disable_tiling;
64module_param(disable_tiling, int, 0644);
65MODULE_PARM_DESC(disable_tiling, "Disable tiled frame buffers");
66
67static int disable_vdoa;
68module_param(disable_vdoa, int, 0644);
69MODULE_PARM_DESC(disable_vdoa, "Disable Video Data Order Adapter tiled to raster-scan conversion");
70
71static int enable_bwb = 0;
72module_param(enable_bwb, int, 0644);
73MODULE_PARM_DESC(enable_bwb, "Enable BWB unit for decoding, may crash on certain streams");
74
75void coda_write(struct coda_dev *dev, u32 data, u32 reg)
76{
77 v4l2_dbg(3, coda_debug, &dev->v4l2_dev,
78 "%s: data=0x%x, reg=0x%x\n", __func__, data, reg);
79 writel(data, dev->regs_base + reg);
80}
81
82unsigned int coda_read(struct coda_dev *dev, u32 reg)
83{
84 u32 data;
85
86 data = readl(dev->regs_base + reg);
87 v4l2_dbg(3, coda_debug, &dev->v4l2_dev,
88 "%s: data=0x%x, reg=0x%x\n", __func__, data, reg);
89 return data;
90}
91
92void coda_write_base(struct coda_ctx *ctx, struct coda_q_data *q_data,
93 struct vb2_v4l2_buffer *buf, unsigned int reg_y)
94{
95 u32 base_y = vb2_dma_contig_plane_dma_addr(&buf->vb2_buf, 0);
96 u32 base_cb, base_cr;
97
98 switch (q_data->fourcc) {
99 case V4L2_PIX_FMT_YUYV:
100
101 case V4L2_PIX_FMT_NV12:
102 case V4L2_PIX_FMT_YUV420:
103 default:
104 base_cb = base_y + q_data->bytesperline * q_data->height;
105 base_cr = base_cb + q_data->bytesperline * q_data->height / 4;
106 break;
107 case V4L2_PIX_FMT_YVU420:
108
109 base_cr = base_y + q_data->bytesperline * q_data->height;
110 base_cb = base_cr + q_data->bytesperline * q_data->height / 4;
111 break;
112 case V4L2_PIX_FMT_YUV422P:
113 base_cb = base_y + q_data->bytesperline * q_data->height;
114 base_cr = base_cb + q_data->bytesperline * q_data->height / 2;
115 }
116
117 coda_write(ctx->dev, base_y, reg_y);
118 coda_write(ctx->dev, base_cb, reg_y + 4);
119 coda_write(ctx->dev, base_cr, reg_y + 8);
120}
121
122#define CODA_CODEC(mode, src_fourcc, dst_fourcc, max_w, max_h) \
123 { mode, src_fourcc, dst_fourcc, max_w, max_h }
124
125
126
127
128
129
130
131
132
133static const struct coda_codec codadx6_codecs[] = {
134 CODA_CODEC(CODADX6_MODE_ENCODE_H264, V4L2_PIX_FMT_YUV420, V4L2_PIX_FMT_H264, 720, 576),
135 CODA_CODEC(CODADX6_MODE_ENCODE_MP4, V4L2_PIX_FMT_YUV420, V4L2_PIX_FMT_MPEG4, 720, 576),
136};
137
138static const struct coda_codec codahx4_codecs[] = {
139 CODA_CODEC(CODA7_MODE_ENCODE_H264, V4L2_PIX_FMT_YUV420, V4L2_PIX_FMT_H264, 720, 576),
140 CODA_CODEC(CODA7_MODE_DECODE_H264, V4L2_PIX_FMT_H264, V4L2_PIX_FMT_YUV420, 1920, 1088),
141 CODA_CODEC(CODA7_MODE_DECODE_MP2, V4L2_PIX_FMT_MPEG2, V4L2_PIX_FMT_YUV420, 1920, 1088),
142 CODA_CODEC(CODA7_MODE_DECODE_MP4, V4L2_PIX_FMT_MPEG4, V4L2_PIX_FMT_YUV420, 1280, 720),
143};
144
145static const struct coda_codec coda7_codecs[] = {
146 CODA_CODEC(CODA7_MODE_ENCODE_H264, V4L2_PIX_FMT_YUV420, V4L2_PIX_FMT_H264, 1280, 720),
147 CODA_CODEC(CODA7_MODE_ENCODE_MP4, V4L2_PIX_FMT_YUV420, V4L2_PIX_FMT_MPEG4, 1280, 720),
148 CODA_CODEC(CODA7_MODE_ENCODE_MJPG, V4L2_PIX_FMT_YUV420, V4L2_PIX_FMT_JPEG, 8192, 8192),
149 CODA_CODEC(CODA7_MODE_DECODE_H264, V4L2_PIX_FMT_H264, V4L2_PIX_FMT_YUV420, 1920, 1088),
150 CODA_CODEC(CODA7_MODE_DECODE_MP2, V4L2_PIX_FMT_MPEG2, V4L2_PIX_FMT_YUV420, 1920, 1088),
151 CODA_CODEC(CODA7_MODE_DECODE_MP4, V4L2_PIX_FMT_MPEG4, V4L2_PIX_FMT_YUV420, 1920, 1088),
152 CODA_CODEC(CODA7_MODE_DECODE_MJPG, V4L2_PIX_FMT_JPEG, V4L2_PIX_FMT_YUV420, 8192, 8192),
153};
154
155static const struct coda_codec coda9_codecs[] = {
156 CODA_CODEC(CODA9_MODE_ENCODE_H264, V4L2_PIX_FMT_YUV420, V4L2_PIX_FMT_H264, 1920, 1088),
157 CODA_CODEC(CODA9_MODE_ENCODE_MP4, V4L2_PIX_FMT_YUV420, V4L2_PIX_FMT_MPEG4, 1920, 1088),
158 CODA_CODEC(CODA9_MODE_DECODE_H264, V4L2_PIX_FMT_H264, V4L2_PIX_FMT_YUV420, 1920, 1088),
159 CODA_CODEC(CODA9_MODE_DECODE_MP2, V4L2_PIX_FMT_MPEG2, V4L2_PIX_FMT_YUV420, 1920, 1088),
160 CODA_CODEC(CODA9_MODE_DECODE_MP4, V4L2_PIX_FMT_MPEG4, V4L2_PIX_FMT_YUV420, 1920, 1088),
161};
162
163struct coda_video_device {
164 const char *name;
165 enum coda_inst_type type;
166 const struct coda_context_ops *ops;
167 bool direct;
168 u32 src_formats[CODA_MAX_FORMATS];
169 u32 dst_formats[CODA_MAX_FORMATS];
170};
171
172static const struct coda_video_device coda_bit_encoder = {
173 .name = "coda-encoder",
174 .type = CODA_INST_ENCODER,
175 .ops = &coda_bit_encode_ops,
176 .src_formats = {
177 V4L2_PIX_FMT_NV12,
178 V4L2_PIX_FMT_YUV420,
179 V4L2_PIX_FMT_YVU420,
180 },
181 .dst_formats = {
182 V4L2_PIX_FMT_H264,
183 V4L2_PIX_FMT_MPEG4,
184 },
185};
186
187static const struct coda_video_device coda_bit_jpeg_encoder = {
188 .name = "coda-jpeg-encoder",
189 .type = CODA_INST_ENCODER,
190 .ops = &coda_bit_encode_ops,
191 .src_formats = {
192 V4L2_PIX_FMT_NV12,
193 V4L2_PIX_FMT_YUV420,
194 V4L2_PIX_FMT_YVU420,
195 V4L2_PIX_FMT_YUV422P,
196 },
197 .dst_formats = {
198 V4L2_PIX_FMT_JPEG,
199 },
200};
201
202static const struct coda_video_device coda_bit_decoder = {
203 .name = "coda-decoder",
204 .type = CODA_INST_DECODER,
205 .ops = &coda_bit_decode_ops,
206 .src_formats = {
207 V4L2_PIX_FMT_H264,
208 V4L2_PIX_FMT_MPEG2,
209 V4L2_PIX_FMT_MPEG4,
210 },
211 .dst_formats = {
212 V4L2_PIX_FMT_NV12,
213 V4L2_PIX_FMT_YUV420,
214 V4L2_PIX_FMT_YVU420,
215
216
217
218
219 V4L2_PIX_FMT_YUYV,
220 },
221};
222
223static const struct coda_video_device coda_bit_jpeg_decoder = {
224 .name = "coda-jpeg-decoder",
225 .type = CODA_INST_DECODER,
226 .ops = &coda_bit_decode_ops,
227 .src_formats = {
228 V4L2_PIX_FMT_JPEG,
229 },
230 .dst_formats = {
231 V4L2_PIX_FMT_NV12,
232 V4L2_PIX_FMT_YUV420,
233 V4L2_PIX_FMT_YVU420,
234 V4L2_PIX_FMT_YUV422P,
235 },
236};
237
238static const struct coda_video_device *codadx6_video_devices[] = {
239 &coda_bit_encoder,
240};
241
242static const struct coda_video_device *codahx4_video_devices[] = {
243 &coda_bit_encoder,
244 &coda_bit_decoder,
245};
246
247static const struct coda_video_device *coda7_video_devices[] = {
248 &coda_bit_jpeg_encoder,
249 &coda_bit_jpeg_decoder,
250 &coda_bit_encoder,
251 &coda_bit_decoder,
252};
253
254static const struct coda_video_device *coda9_video_devices[] = {
255 &coda_bit_encoder,
256 &coda_bit_decoder,
257};
258
259
260
261
262
263static u32 coda_format_normalize_yuv(u32 fourcc)
264{
265 switch (fourcc) {
266 case V4L2_PIX_FMT_NV12:
267 case V4L2_PIX_FMT_YUV420:
268 case V4L2_PIX_FMT_YVU420:
269 case V4L2_PIX_FMT_YUV422P:
270 case V4L2_PIX_FMT_YUYV:
271 return V4L2_PIX_FMT_YUV420;
272 default:
273 return fourcc;
274 }
275}
276
277static const struct coda_codec *coda_find_codec(struct coda_dev *dev,
278 int src_fourcc, int dst_fourcc)
279{
280 const struct coda_codec *codecs = dev->devtype->codecs;
281 int num_codecs = dev->devtype->num_codecs;
282 int k;
283
284 src_fourcc = coda_format_normalize_yuv(src_fourcc);
285 dst_fourcc = coda_format_normalize_yuv(dst_fourcc);
286 if (src_fourcc == dst_fourcc)
287 return NULL;
288
289 for (k = 0; k < num_codecs; k++) {
290 if (codecs[k].src_fourcc == src_fourcc &&
291 codecs[k].dst_fourcc == dst_fourcc)
292 break;
293 }
294
295 if (k == num_codecs)
296 return NULL;
297
298 return &codecs[k];
299}
300
301static void coda_get_max_dimensions(struct coda_dev *dev,
302 const struct coda_codec *codec,
303 int *max_w, int *max_h)
304{
305 const struct coda_codec *codecs = dev->devtype->codecs;
306 int num_codecs = dev->devtype->num_codecs;
307 unsigned int w, h;
308 int k;
309
310 if (codec) {
311 w = codec->max_w;
312 h = codec->max_h;
313 } else {
314 for (k = 0, w = 0, h = 0; k < num_codecs; k++) {
315 w = max(w, codecs[k].max_w);
316 h = max(h, codecs[k].max_h);
317 }
318 }
319
320 if (max_w)
321 *max_w = w;
322 if (max_h)
323 *max_h = h;
324}
325
326static const struct coda_video_device *to_coda_video_device(struct video_device
327 *vdev)
328{
329 struct coda_dev *dev = video_get_drvdata(vdev);
330 unsigned int i = vdev - dev->vfd;
331
332 if (i >= dev->devtype->num_vdevs)
333 return NULL;
334
335 return dev->devtype->vdevs[i];
336}
337
338const char *coda_product_name(int product)
339{
340 static char buf[9];
341
342 switch (product) {
343 case CODA_DX6:
344 return "CodaDx6";
345 case CODA_HX4:
346 return "CodaHx4";
347 case CODA_7541:
348 return "CODA7541";
349 case CODA_960:
350 return "CODA960";
351 default:
352 snprintf(buf, sizeof(buf), "(0x%04x)", product);
353 return buf;
354 }
355}
356
357static struct vdoa_data *coda_get_vdoa_data(void)
358{
359 struct device_node *vdoa_node;
360 struct platform_device *vdoa_pdev;
361 struct vdoa_data *vdoa_data = NULL;
362
363 vdoa_node = of_find_compatible_node(NULL, NULL, "fsl,imx6q-vdoa");
364 if (!vdoa_node)
365 return NULL;
366
367 vdoa_pdev = of_find_device_by_node(vdoa_node);
368 if (!vdoa_pdev)
369 goto out;
370
371 vdoa_data = platform_get_drvdata(vdoa_pdev);
372 if (!vdoa_data)
373 vdoa_data = ERR_PTR(-EPROBE_DEFER);
374
375out:
376 of_node_put(vdoa_node);
377
378 return vdoa_data;
379}
380
381
382
383
384static int coda_querycap(struct file *file, void *priv,
385 struct v4l2_capability *cap)
386{
387 struct coda_ctx *ctx = fh_to_ctx(priv);
388
389 strscpy(cap->driver, CODA_NAME, sizeof(cap->driver));
390 strscpy(cap->card, coda_product_name(ctx->dev->devtype->product),
391 sizeof(cap->card));
392 strscpy(cap->bus_info, "platform:" CODA_NAME, sizeof(cap->bus_info));
393 cap->device_caps = V4L2_CAP_VIDEO_M2M | V4L2_CAP_STREAMING;
394 cap->capabilities = cap->device_caps | V4L2_CAP_DEVICE_CAPS;
395
396 return 0;
397}
398
399static int coda_enum_fmt(struct file *file, void *priv,
400 struct v4l2_fmtdesc *f)
401{
402 struct video_device *vdev = video_devdata(file);
403 const struct coda_video_device *cvd = to_coda_video_device(vdev);
404 struct coda_ctx *ctx = fh_to_ctx(priv);
405 const u32 *formats;
406
407 if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT)
408 formats = cvd->src_formats;
409 else if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE)
410 formats = cvd->dst_formats;
411 else
412 return -EINVAL;
413
414 if (f->index >= CODA_MAX_FORMATS || formats[f->index] == 0)
415 return -EINVAL;
416
417
418 if (!ctx->vdoa && f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE &&
419 formats[f->index] == V4L2_PIX_FMT_YUYV)
420 return -EINVAL;
421
422 f->pixelformat = formats[f->index];
423
424 return 0;
425}
426
427static int coda_g_fmt(struct file *file, void *priv,
428 struct v4l2_format *f)
429{
430 struct coda_q_data *q_data;
431 struct coda_ctx *ctx = fh_to_ctx(priv);
432
433 q_data = get_q_data(ctx, f->type);
434 if (!q_data)
435 return -EINVAL;
436
437 f->fmt.pix.field = V4L2_FIELD_NONE;
438 f->fmt.pix.pixelformat = q_data->fourcc;
439 f->fmt.pix.width = q_data->width;
440 f->fmt.pix.height = q_data->height;
441 f->fmt.pix.bytesperline = q_data->bytesperline;
442
443 f->fmt.pix.sizeimage = q_data->sizeimage;
444 f->fmt.pix.colorspace = ctx->colorspace;
445 f->fmt.pix.xfer_func = ctx->xfer_func;
446 f->fmt.pix.ycbcr_enc = ctx->ycbcr_enc;
447 f->fmt.pix.quantization = ctx->quantization;
448
449 return 0;
450}
451
452static int coda_try_pixelformat(struct coda_ctx *ctx, struct v4l2_format *f)
453{
454 struct coda_q_data *q_data;
455 const u32 *formats;
456 int i;
457
458 if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT)
459 formats = ctx->cvd->src_formats;
460 else if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE)
461 formats = ctx->cvd->dst_formats;
462 else
463 return -EINVAL;
464
465 for (i = 0; i < CODA_MAX_FORMATS; i++) {
466
467 if (!ctx->vdoa && f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE &&
468 formats[i] == V4L2_PIX_FMT_YUYV)
469 continue;
470
471 if (formats[i] == f->fmt.pix.pixelformat) {
472 f->fmt.pix.pixelformat = formats[i];
473 return 0;
474 }
475 }
476
477
478 q_data = get_q_data(ctx, f->type);
479 f->fmt.pix.pixelformat = q_data->fourcc;
480
481 return 0;
482}
483
484static int coda_try_fmt_vdoa(struct coda_ctx *ctx, struct v4l2_format *f,
485 bool *use_vdoa)
486{
487 int err;
488
489 if (f->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
490 return -EINVAL;
491
492 if (!use_vdoa)
493 return -EINVAL;
494
495 if (!ctx->vdoa) {
496 *use_vdoa = false;
497 return 0;
498 }
499
500 err = vdoa_context_configure(NULL, round_up(f->fmt.pix.width, 16),
501 f->fmt.pix.height, f->fmt.pix.pixelformat);
502 if (err) {
503 *use_vdoa = false;
504 return 0;
505 }
506
507 *use_vdoa = true;
508 return 0;
509}
510
511static unsigned int coda_estimate_sizeimage(struct coda_ctx *ctx, u32 sizeimage,
512 u32 width, u32 height)
513{
514
515
516
517
518
519 return round_up(clamp(sizeimage, width * height / 8,
520 width * height * 2), PAGE_SIZE);
521}
522
523static int coda_try_fmt(struct coda_ctx *ctx, const struct coda_codec *codec,
524 struct v4l2_format *f)
525{
526 struct coda_dev *dev = ctx->dev;
527 unsigned int max_w, max_h;
528 enum v4l2_field field;
529
530 field = f->fmt.pix.field;
531 if (field == V4L2_FIELD_ANY)
532 field = V4L2_FIELD_NONE;
533 else if (V4L2_FIELD_NONE != field)
534 return -EINVAL;
535
536
537
538 f->fmt.pix.field = field;
539
540 coda_get_max_dimensions(dev, codec, &max_w, &max_h);
541 v4l_bound_align_image(&f->fmt.pix.width, MIN_W, max_w, W_ALIGN,
542 &f->fmt.pix.height, MIN_H, max_h, H_ALIGN,
543 S_ALIGN);
544
545 switch (f->fmt.pix.pixelformat) {
546 case V4L2_PIX_FMT_NV12:
547 case V4L2_PIX_FMT_YUV420:
548 case V4L2_PIX_FMT_YVU420:
549
550
551
552
553 f->fmt.pix.bytesperline = round_up(f->fmt.pix.width, 16);
554 f->fmt.pix.sizeimage = f->fmt.pix.bytesperline *
555 f->fmt.pix.height * 3 / 2;
556 break;
557 case V4L2_PIX_FMT_YUYV:
558 f->fmt.pix.bytesperline = round_up(f->fmt.pix.width, 16) * 2;
559 f->fmt.pix.sizeimage = f->fmt.pix.bytesperline *
560 f->fmt.pix.height;
561 break;
562 case V4L2_PIX_FMT_YUV422P:
563 f->fmt.pix.bytesperline = round_up(f->fmt.pix.width, 16);
564 f->fmt.pix.sizeimage = f->fmt.pix.bytesperline *
565 f->fmt.pix.height * 2;
566 break;
567 case V4L2_PIX_FMT_JPEG:
568 case V4L2_PIX_FMT_H264:
569 case V4L2_PIX_FMT_MPEG4:
570 case V4L2_PIX_FMT_MPEG2:
571 f->fmt.pix.bytesperline = 0;
572 f->fmt.pix.sizeimage = coda_estimate_sizeimage(ctx,
573 f->fmt.pix.sizeimage,
574 f->fmt.pix.width,
575 f->fmt.pix.height);
576 break;
577 default:
578 BUG();
579 }
580
581 return 0;
582}
583
584static int coda_try_fmt_vid_cap(struct file *file, void *priv,
585 struct v4l2_format *f)
586{
587 struct coda_ctx *ctx = fh_to_ctx(priv);
588 const struct coda_q_data *q_data_src;
589 const struct coda_codec *codec;
590 struct vb2_queue *src_vq;
591 int ret;
592 bool use_vdoa;
593
594 ret = coda_try_pixelformat(ctx, f);
595 if (ret < 0)
596 return ret;
597
598 q_data_src = get_q_data(ctx, V4L2_BUF_TYPE_VIDEO_OUTPUT);
599
600
601
602
603
604 src_vq = v4l2_m2m_get_vq(ctx->fh.m2m_ctx, V4L2_BUF_TYPE_VIDEO_OUTPUT);
605 if (vb2_is_streaming(src_vq)) {
606 f->fmt.pix.width = q_data_src->width;
607 f->fmt.pix.height = q_data_src->height;
608 }
609
610 f->fmt.pix.colorspace = ctx->colorspace;
611 f->fmt.pix.xfer_func = ctx->xfer_func;
612 f->fmt.pix.ycbcr_enc = ctx->ycbcr_enc;
613 f->fmt.pix.quantization = ctx->quantization;
614
615 q_data_src = get_q_data(ctx, V4L2_BUF_TYPE_VIDEO_OUTPUT);
616 codec = coda_find_codec(ctx->dev, q_data_src->fourcc,
617 f->fmt.pix.pixelformat);
618 if (!codec)
619 return -EINVAL;
620
621 ret = coda_try_fmt(ctx, codec, f);
622 if (ret < 0)
623 return ret;
624
625
626 if (codec && codec->src_fourcc == V4L2_PIX_FMT_H264) {
627 f->fmt.pix.height = round_up(f->fmt.pix.height, 16);
628 f->fmt.pix.bytesperline = round_up(f->fmt.pix.width, 16);
629 f->fmt.pix.sizeimage = f->fmt.pix.bytesperline *
630 f->fmt.pix.height * 3 / 2;
631
632 ret = coda_try_fmt_vdoa(ctx, f, &use_vdoa);
633 if (ret < 0)
634 return ret;
635
636 if (f->fmt.pix.pixelformat == V4L2_PIX_FMT_YUYV) {
637 if (!use_vdoa)
638 return -EINVAL;
639
640 f->fmt.pix.bytesperline = round_up(f->fmt.pix.width, 16) * 2;
641 f->fmt.pix.sizeimage = f->fmt.pix.bytesperline *
642 f->fmt.pix.height;
643 }
644 }
645
646 return 0;
647}
648
649static void coda_set_default_colorspace(struct v4l2_pix_format *fmt)
650{
651 enum v4l2_colorspace colorspace;
652
653 if (fmt->pixelformat == V4L2_PIX_FMT_JPEG)
654 colorspace = V4L2_COLORSPACE_JPEG;
655 else if (fmt->width <= 720 && fmt->height <= 576)
656 colorspace = V4L2_COLORSPACE_SMPTE170M;
657 else
658 colorspace = V4L2_COLORSPACE_REC709;
659
660 fmt->colorspace = colorspace;
661 fmt->xfer_func = V4L2_XFER_FUNC_DEFAULT;
662 fmt->ycbcr_enc = V4L2_YCBCR_ENC_DEFAULT;
663 fmt->quantization = V4L2_QUANTIZATION_DEFAULT;
664}
665
666static int coda_try_fmt_vid_out(struct file *file, void *priv,
667 struct v4l2_format *f)
668{
669 struct coda_ctx *ctx = fh_to_ctx(priv);
670 struct coda_dev *dev = ctx->dev;
671 const struct coda_q_data *q_data_dst;
672 const struct coda_codec *codec;
673 int ret;
674
675 ret = coda_try_pixelformat(ctx, f);
676 if (ret < 0)
677 return ret;
678
679 if (f->fmt.pix.colorspace == V4L2_COLORSPACE_DEFAULT)
680 coda_set_default_colorspace(&f->fmt.pix);
681
682 q_data_dst = get_q_data(ctx, V4L2_BUF_TYPE_VIDEO_CAPTURE);
683 codec = coda_find_codec(dev, f->fmt.pix.pixelformat, q_data_dst->fourcc);
684
685 return coda_try_fmt(ctx, codec, f);
686}
687
688static int coda_s_fmt(struct coda_ctx *ctx, struct v4l2_format *f,
689 struct v4l2_rect *r)
690{
691 struct coda_q_data *q_data;
692 struct vb2_queue *vq;
693
694 vq = v4l2_m2m_get_vq(ctx->fh.m2m_ctx, f->type);
695 if (!vq)
696 return -EINVAL;
697
698 q_data = get_q_data(ctx, f->type);
699 if (!q_data)
700 return -EINVAL;
701
702 if (vb2_is_busy(vq)) {
703 v4l2_err(&ctx->dev->v4l2_dev, "%s: %s queue busy: %d\n",
704 __func__, v4l2_type_names[f->type], vq->num_buffers);
705 return -EBUSY;
706 }
707
708 q_data->fourcc = f->fmt.pix.pixelformat;
709 q_data->width = f->fmt.pix.width;
710 q_data->height = f->fmt.pix.height;
711 q_data->bytesperline = f->fmt.pix.bytesperline;
712 q_data->sizeimage = f->fmt.pix.sizeimage;
713 if (r) {
714 q_data->rect = *r;
715 } else {
716 q_data->rect.left = 0;
717 q_data->rect.top = 0;
718 q_data->rect.width = f->fmt.pix.width;
719 q_data->rect.height = f->fmt.pix.height;
720 }
721
722 switch (f->fmt.pix.pixelformat) {
723 case V4L2_PIX_FMT_YUYV:
724 ctx->tiled_map_type = GDI_TILED_FRAME_MB_RASTER_MAP;
725 break;
726 case V4L2_PIX_FMT_NV12:
727 if (!disable_tiling && ctx->dev->devtype->product == CODA_960) {
728 ctx->tiled_map_type = GDI_TILED_FRAME_MB_RASTER_MAP;
729 break;
730 }
731
732 case V4L2_PIX_FMT_YUV420:
733 case V4L2_PIX_FMT_YVU420:
734 ctx->tiled_map_type = GDI_LINEAR_FRAME_MAP;
735 break;
736 default:
737 break;
738 }
739
740 if (ctx->tiled_map_type == GDI_TILED_FRAME_MB_RASTER_MAP &&
741 !coda_try_fmt_vdoa(ctx, f, &ctx->use_vdoa) &&
742 ctx->use_vdoa)
743 vdoa_context_configure(ctx->vdoa,
744 round_up(f->fmt.pix.width, 16),
745 f->fmt.pix.height,
746 f->fmt.pix.pixelformat);
747 else
748 ctx->use_vdoa = false;
749
750 coda_dbg(1, ctx, "Setting %s format, wxh: %dx%d, fmt: %4.4s %c\n",
751 v4l2_type_names[f->type], q_data->width, q_data->height,
752 (char *)&q_data->fourcc,
753 (ctx->tiled_map_type == GDI_LINEAR_FRAME_MAP) ? 'L' : 'T');
754
755 return 0;
756}
757
758static int coda_s_fmt_vid_cap(struct file *file, void *priv,
759 struct v4l2_format *f)
760{
761 struct coda_ctx *ctx = fh_to_ctx(priv);
762 struct coda_q_data *q_data_src;
763 const struct coda_codec *codec;
764 struct v4l2_rect r;
765 int ret;
766
767 ret = coda_try_fmt_vid_cap(file, priv, f);
768 if (ret)
769 return ret;
770
771 q_data_src = get_q_data(ctx, V4L2_BUF_TYPE_VIDEO_OUTPUT);
772 r.left = 0;
773 r.top = 0;
774 r.width = q_data_src->width;
775 r.height = q_data_src->height;
776
777 ret = coda_s_fmt(ctx, f, &r);
778 if (ret)
779 return ret;
780
781 if (ctx->inst_type != CODA_INST_ENCODER)
782 return 0;
783
784
785 codec = coda_find_codec(ctx->dev, q_data_src->fourcc,
786 f->fmt.pix.pixelformat);
787 if (!codec) {
788 v4l2_err(&ctx->dev->v4l2_dev, "failed to determine codec\n");
789 return -EINVAL;
790 }
791 ctx->codec = codec;
792
793 ctx->colorspace = f->fmt.pix.colorspace;
794 ctx->xfer_func = f->fmt.pix.xfer_func;
795 ctx->ycbcr_enc = f->fmt.pix.ycbcr_enc;
796 ctx->quantization = f->fmt.pix.quantization;
797
798 return 0;
799}
800
801static int coda_s_fmt_vid_out(struct file *file, void *priv,
802 struct v4l2_format *f)
803{
804 struct coda_ctx *ctx = fh_to_ctx(priv);
805 const struct coda_codec *codec;
806 struct v4l2_format f_cap;
807 struct vb2_queue *dst_vq;
808 int ret;
809
810 ret = coda_try_fmt_vid_out(file, priv, f);
811 if (ret)
812 return ret;
813
814 ret = coda_s_fmt(ctx, f, NULL);
815 if (ret)
816 return ret;
817
818 ctx->colorspace = f->fmt.pix.colorspace;
819 ctx->xfer_func = f->fmt.pix.xfer_func;
820 ctx->ycbcr_enc = f->fmt.pix.ycbcr_enc;
821 ctx->quantization = f->fmt.pix.quantization;
822
823 if (ctx->inst_type != CODA_INST_DECODER)
824 return 0;
825
826
827 codec = coda_find_codec(ctx->dev, f->fmt.pix.pixelformat,
828 V4L2_PIX_FMT_YUV420);
829 if (!codec) {
830 v4l2_err(&ctx->dev->v4l2_dev, "failed to determine codec\n");
831 return -EINVAL;
832 }
833 ctx->codec = codec;
834
835 dst_vq = v4l2_m2m_get_vq(ctx->fh.m2m_ctx, V4L2_BUF_TYPE_VIDEO_CAPTURE);
836 if (!dst_vq)
837 return -EINVAL;
838
839
840
841
842
843
844
845 if (vb2_is_busy(dst_vq))
846 return 0;
847
848 memset(&f_cap, 0, sizeof(f_cap));
849 f_cap.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
850 coda_g_fmt(file, priv, &f_cap);
851 f_cap.fmt.pix.width = f->fmt.pix.width;
852 f_cap.fmt.pix.height = f->fmt.pix.height;
853
854 return coda_s_fmt_vid_cap(file, priv, &f_cap);
855}
856
857static int coda_reqbufs(struct file *file, void *priv,
858 struct v4l2_requestbuffers *rb)
859{
860 struct coda_ctx *ctx = fh_to_ctx(priv);
861 int ret;
862
863 ret = v4l2_m2m_reqbufs(file, ctx->fh.m2m_ctx, rb);
864 if (ret)
865 return ret;
866
867
868
869
870
871 if (rb->type == V4L2_BUF_TYPE_VIDEO_OUTPUT && ctx->ops->reqbufs)
872 return ctx->ops->reqbufs(ctx, rb);
873
874 return 0;
875}
876
877static int coda_qbuf(struct file *file, void *priv,
878 struct v4l2_buffer *buf)
879{
880 struct coda_ctx *ctx = fh_to_ctx(priv);
881
882 if (ctx->inst_type == CODA_INST_DECODER &&
883 buf->type == V4L2_BUF_TYPE_VIDEO_OUTPUT)
884 buf->flags &= ~V4L2_BUF_FLAG_LAST;
885
886 return v4l2_m2m_qbuf(file, ctx->fh.m2m_ctx, buf);
887}
888
889static int coda_dqbuf(struct file *file, void *priv, struct v4l2_buffer *buf)
890{
891 struct coda_ctx *ctx = fh_to_ctx(priv);
892 int ret;
893
894 ret = v4l2_m2m_dqbuf(file, ctx->fh.m2m_ctx, buf);
895
896 if (ctx->inst_type == CODA_INST_DECODER &&
897 buf->type == V4L2_BUF_TYPE_VIDEO_OUTPUT)
898 buf->flags &= ~V4L2_BUF_FLAG_LAST;
899
900 return ret;
901}
902
903void coda_m2m_buf_done(struct coda_ctx *ctx, struct vb2_v4l2_buffer *buf,
904 enum vb2_buffer_state state)
905{
906 const struct v4l2_event eos_event = {
907 .type = V4L2_EVENT_EOS
908 };
909
910 if (buf->flags & V4L2_BUF_FLAG_LAST)
911 v4l2_event_queue_fh(&ctx->fh, &eos_event);
912
913 v4l2_m2m_buf_done(buf, state);
914}
915
916static int coda_g_selection(struct file *file, void *fh,
917 struct v4l2_selection *s)
918{
919 struct coda_ctx *ctx = fh_to_ctx(fh);
920 struct coda_q_data *q_data;
921 struct v4l2_rect r, *rsel;
922
923 q_data = get_q_data(ctx, s->type);
924 if (!q_data)
925 return -EINVAL;
926
927 r.left = 0;
928 r.top = 0;
929 r.width = q_data->width;
930 r.height = q_data->height;
931 rsel = &q_data->rect;
932
933 switch (s->target) {
934 case V4L2_SEL_TGT_CROP_DEFAULT:
935 case V4L2_SEL_TGT_CROP_BOUNDS:
936 rsel = &r;
937
938 case V4L2_SEL_TGT_CROP:
939 if (s->type != V4L2_BUF_TYPE_VIDEO_OUTPUT)
940 return -EINVAL;
941 break;
942 case V4L2_SEL_TGT_COMPOSE_BOUNDS:
943 case V4L2_SEL_TGT_COMPOSE_PADDED:
944 rsel = &r;
945
946 case V4L2_SEL_TGT_COMPOSE:
947 case V4L2_SEL_TGT_COMPOSE_DEFAULT:
948 if (s->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
949 return -EINVAL;
950 break;
951 default:
952 return -EINVAL;
953 }
954
955 s->r = *rsel;
956
957 return 0;
958}
959
960static int coda_s_selection(struct file *file, void *fh,
961 struct v4l2_selection *s)
962{
963 struct coda_ctx *ctx = fh_to_ctx(fh);
964 struct coda_q_data *q_data;
965
966 switch (s->target) {
967 case V4L2_SEL_TGT_CROP:
968 if (ctx->inst_type == CODA_INST_ENCODER &&
969 s->type == V4L2_BUF_TYPE_VIDEO_OUTPUT) {
970 q_data = get_q_data(ctx, s->type);
971 if (!q_data)
972 return -EINVAL;
973
974 s->r.left = 0;
975 s->r.top = 0;
976 s->r.width = clamp(s->r.width, 2U, q_data->width);
977 s->r.height = clamp(s->r.height, 2U, q_data->height);
978
979 if (s->flags & V4L2_SEL_FLAG_LE) {
980 s->r.width = round_up(s->r.width, 2);
981 s->r.height = round_up(s->r.height, 2);
982 } else {
983 s->r.width = round_down(s->r.width, 2);
984 s->r.height = round_down(s->r.height, 2);
985 }
986
987 q_data->rect = s->r;
988
989 coda_dbg(1, ctx, "Setting crop rectangle: %dx%d\n",
990 s->r.width, s->r.height);
991
992 return 0;
993 }
994
995 case V4L2_SEL_TGT_NATIVE_SIZE:
996 case V4L2_SEL_TGT_COMPOSE:
997 return coda_g_selection(file, fh, s);
998 default:
999
1000 return -EINVAL;
1001 }
1002}
1003
1004static int coda_try_encoder_cmd(struct file *file, void *fh,
1005 struct v4l2_encoder_cmd *ec)
1006{
1007 struct coda_ctx *ctx = fh_to_ctx(fh);
1008
1009 if (ctx->inst_type != CODA_INST_ENCODER)
1010 return -ENOTTY;
1011
1012 return v4l2_m2m_ioctl_try_encoder_cmd(file, fh, ec);
1013}
1014
1015static void coda_wake_up_capture_queue(struct coda_ctx *ctx)
1016{
1017 struct vb2_queue *dst_vq;
1018
1019 coda_dbg(1, ctx, "waking up capture queue\n");
1020
1021 dst_vq = v4l2_m2m_get_vq(ctx->fh.m2m_ctx, V4L2_BUF_TYPE_VIDEO_CAPTURE);
1022 dst_vq->last_buffer_dequeued = true;
1023 wake_up(&dst_vq->done_wq);
1024}
1025
1026static int coda_encoder_cmd(struct file *file, void *fh,
1027 struct v4l2_encoder_cmd *ec)
1028{
1029 struct coda_ctx *ctx = fh_to_ctx(fh);
1030 struct vb2_v4l2_buffer *buf;
1031 int ret;
1032
1033 ret = coda_try_encoder_cmd(file, fh, ec);
1034 if (ret < 0)
1035 return ret;
1036
1037 mutex_lock(&ctx->wakeup_mutex);
1038 buf = v4l2_m2m_last_src_buf(ctx->fh.m2m_ctx);
1039 if (buf) {
1040
1041
1042
1043
1044
1045 buf->flags |= V4L2_BUF_FLAG_LAST;
1046 } else {
1047
1048 ctx->bit_stream_param |= CODA_BIT_STREAM_END_FLAG;
1049
1050
1051
1052
1053
1054
1055 coda_wake_up_capture_queue(ctx);
1056 }
1057 mutex_unlock(&ctx->wakeup_mutex);
1058
1059 return 0;
1060}
1061
1062static int coda_try_decoder_cmd(struct file *file, void *fh,
1063 struct v4l2_decoder_cmd *dc)
1064{
1065 struct coda_ctx *ctx = fh_to_ctx(fh);
1066
1067 if (ctx->inst_type != CODA_INST_DECODER)
1068 return -ENOTTY;
1069
1070 return v4l2_m2m_ioctl_try_decoder_cmd(file, fh, dc);
1071}
1072
1073static int coda_decoder_cmd(struct file *file, void *fh,
1074 struct v4l2_decoder_cmd *dc)
1075{
1076 struct coda_ctx *ctx = fh_to_ctx(fh);
1077 struct coda_dev *dev = ctx->dev;
1078 struct vb2_v4l2_buffer *buf;
1079 struct vb2_queue *dst_vq;
1080 bool stream_end;
1081 bool wakeup;
1082 int ret;
1083
1084 ret = coda_try_decoder_cmd(file, fh, dc);
1085 if (ret < 0)
1086 return ret;
1087
1088 switch (dc->cmd) {
1089 case V4L2_DEC_CMD_START:
1090 mutex_lock(&ctx->bitstream_mutex);
1091 mutex_lock(&dev->coda_mutex);
1092 coda_bitstream_flush(ctx);
1093 mutex_unlock(&dev->coda_mutex);
1094 dst_vq = v4l2_m2m_get_vq(ctx->fh.m2m_ctx,
1095 V4L2_BUF_TYPE_VIDEO_CAPTURE);
1096 vb2_clear_last_buffer_dequeued(dst_vq);
1097 ctx->bit_stream_param &= ~CODA_BIT_STREAM_END_FLAG;
1098 coda_fill_bitstream(ctx, NULL);
1099 mutex_unlock(&ctx->bitstream_mutex);
1100 break;
1101 case V4L2_DEC_CMD_STOP:
1102 stream_end = false;
1103 wakeup = false;
1104
1105 buf = v4l2_m2m_last_src_buf(ctx->fh.m2m_ctx);
1106 if (buf) {
1107 coda_dbg(1, ctx, "marking last pending buffer\n");
1108
1109
1110 buf->flags |= V4L2_BUF_FLAG_LAST;
1111
1112 if (v4l2_m2m_num_src_bufs_ready(ctx->fh.m2m_ctx) == 0) {
1113 coda_dbg(1, ctx, "all remaining buffers queued\n");
1114 stream_end = true;
1115 }
1116 } else {
1117 coda_dbg(1, ctx, "marking last meta\n");
1118
1119
1120 spin_lock(&ctx->buffer_meta_lock);
1121 if (!list_empty(&ctx->buffer_meta_list)) {
1122 struct coda_buffer_meta *meta;
1123
1124 meta = list_last_entry(&ctx->buffer_meta_list,
1125 struct coda_buffer_meta,
1126 list);
1127 meta->last = true;
1128 stream_end = true;
1129 } else {
1130 wakeup = true;
1131 }
1132 spin_unlock(&ctx->buffer_meta_lock);
1133 }
1134
1135 if (stream_end) {
1136 coda_dbg(1, ctx, "all remaining buffers queued\n");
1137
1138
1139 coda_bit_stream_end_flag(ctx);
1140 ctx->hold = false;
1141 v4l2_m2m_try_schedule(ctx->fh.m2m_ctx);
1142 }
1143
1144 if (wakeup) {
1145
1146 coda_wake_up_capture_queue(ctx);
1147 }
1148
1149 break;
1150 default:
1151 return -EINVAL;
1152 }
1153
1154 return 0;
1155}
1156
1157static int coda_enum_framesizes(struct file *file, void *fh,
1158 struct v4l2_frmsizeenum *fsize)
1159{
1160 struct coda_ctx *ctx = fh_to_ctx(fh);
1161 struct coda_q_data *q_data_dst;
1162 const struct coda_codec *codec;
1163
1164 if (ctx->inst_type != CODA_INST_ENCODER)
1165 return -ENOTTY;
1166
1167 if (fsize->index)
1168 return -EINVAL;
1169
1170 if (coda_format_normalize_yuv(fsize->pixel_format) ==
1171 V4L2_PIX_FMT_YUV420) {
1172 q_data_dst = get_q_data(ctx, V4L2_BUF_TYPE_VIDEO_CAPTURE);
1173 codec = coda_find_codec(ctx->dev, fsize->pixel_format,
1174 q_data_dst->fourcc);
1175 } else {
1176 codec = coda_find_codec(ctx->dev, V4L2_PIX_FMT_YUV420,
1177 fsize->pixel_format);
1178 }
1179 if (!codec)
1180 return -EINVAL;
1181
1182 fsize->type = V4L2_FRMSIZE_TYPE_CONTINUOUS;
1183 fsize->stepwise.min_width = MIN_W;
1184 fsize->stepwise.max_width = codec->max_w;
1185 fsize->stepwise.step_width = 1;
1186 fsize->stepwise.min_height = MIN_H;
1187 fsize->stepwise.max_height = codec->max_h;
1188 fsize->stepwise.step_height = 1;
1189
1190 return 0;
1191}
1192
1193static int coda_enum_frameintervals(struct file *file, void *fh,
1194 struct v4l2_frmivalenum *f)
1195{
1196 struct coda_ctx *ctx = fh_to_ctx(fh);
1197 int i;
1198
1199 if (f->index)
1200 return -EINVAL;
1201
1202
1203 if (!ctx->vdoa && f->pixel_format == V4L2_PIX_FMT_YUYV)
1204 return -EINVAL;
1205
1206 for (i = 0; i < CODA_MAX_FORMATS; i++) {
1207 if (f->pixel_format == ctx->cvd->src_formats[i] ||
1208 f->pixel_format == ctx->cvd->dst_formats[i])
1209 break;
1210 }
1211 if (i == CODA_MAX_FORMATS)
1212 return -EINVAL;
1213
1214 f->type = V4L2_FRMIVAL_TYPE_CONTINUOUS;
1215 f->stepwise.min.numerator = 1;
1216 f->stepwise.min.denominator = 65535;
1217 f->stepwise.max.numerator = 65536;
1218 f->stepwise.max.denominator = 1;
1219 f->stepwise.step.numerator = 1;
1220 f->stepwise.step.denominator = 1;
1221
1222 return 0;
1223}
1224
1225static int coda_g_parm(struct file *file, void *fh, struct v4l2_streamparm *a)
1226{
1227 struct coda_ctx *ctx = fh_to_ctx(fh);
1228 struct v4l2_fract *tpf;
1229
1230 if (a->type != V4L2_BUF_TYPE_VIDEO_OUTPUT)
1231 return -EINVAL;
1232
1233 a->parm.output.capability = V4L2_CAP_TIMEPERFRAME;
1234 tpf = &a->parm.output.timeperframe;
1235 tpf->denominator = ctx->params.framerate & CODA_FRATE_RES_MASK;
1236 tpf->numerator = 1 + (ctx->params.framerate >>
1237 CODA_FRATE_DIV_OFFSET);
1238
1239 return 0;
1240}
1241
1242
1243
1244
1245
1246static void coda_approximate_timeperframe(struct v4l2_fract *timeperframe)
1247{
1248 struct v4l2_fract s = *timeperframe;
1249 struct v4l2_fract f0;
1250 struct v4l2_fract f1 = { 1, 0 };
1251 struct v4l2_fract f2 = { 0, 1 };
1252 unsigned int i, div, s_denominator;
1253
1254
1255 if (s.numerator == 0 || s.denominator / s.numerator > 65535) {
1256 timeperframe->numerator = 1;
1257 timeperframe->denominator = 65535;
1258 return;
1259 }
1260
1261
1262 if (s.denominator == 0 || s.numerator / s.denominator > 65536) {
1263 timeperframe->numerator = 65536;
1264 timeperframe->denominator = 1;
1265 return;
1266 }
1267
1268
1269 div = gcd(s.numerator, s.denominator);
1270 if (div > 1) {
1271 s.numerator /= div;
1272 s.denominator /= div;
1273 }
1274
1275 if (s.numerator <= 65536 && s.denominator < 65536) {
1276 *timeperframe = s;
1277 return;
1278 }
1279
1280
1281 while (f2.numerator <= 65536 && f2.denominator < 65536) {
1282 f0 = f1;
1283 f1 = f2;
1284
1285
1286 if (s.numerator == 0)
1287 break;
1288
1289 i = s.denominator / s.numerator;
1290
1291 f2.numerator = f0.numerator + i * f1.numerator;
1292 f2.denominator = f0.denominator + i * f2.denominator;
1293
1294 s_denominator = s.numerator;
1295 s.numerator = s.denominator % s.numerator;
1296 s.denominator = s_denominator;
1297 }
1298
1299 *timeperframe = f1;
1300}
1301
1302static uint32_t coda_timeperframe_to_frate(struct v4l2_fract *timeperframe)
1303{
1304 return ((timeperframe->numerator - 1) << CODA_FRATE_DIV_OFFSET) |
1305 timeperframe->denominator;
1306}
1307
1308static int coda_s_parm(struct file *file, void *fh, struct v4l2_streamparm *a)
1309{
1310 struct coda_ctx *ctx = fh_to_ctx(fh);
1311 struct v4l2_fract *tpf;
1312
1313 if (a->type != V4L2_BUF_TYPE_VIDEO_OUTPUT)
1314 return -EINVAL;
1315
1316 a->parm.output.capability = V4L2_CAP_TIMEPERFRAME;
1317 tpf = &a->parm.output.timeperframe;
1318 coda_approximate_timeperframe(tpf);
1319 ctx->params.framerate = coda_timeperframe_to_frate(tpf);
1320 ctx->params.framerate_changed = true;
1321
1322 return 0;
1323}
1324
1325static int coda_subscribe_event(struct v4l2_fh *fh,
1326 const struct v4l2_event_subscription *sub)
1327{
1328 struct coda_ctx *ctx = fh_to_ctx(fh);
1329
1330 switch (sub->type) {
1331 case V4L2_EVENT_EOS:
1332 return v4l2_event_subscribe(fh, sub, 0, NULL);
1333 case V4L2_EVENT_SOURCE_CHANGE:
1334 if (ctx->inst_type == CODA_INST_DECODER)
1335 return v4l2_event_subscribe(fh, sub, 0, NULL);
1336 else
1337 return -EINVAL;
1338 default:
1339 return v4l2_ctrl_subscribe_event(fh, sub);
1340 }
1341}
1342
1343static const struct v4l2_ioctl_ops coda_ioctl_ops = {
1344 .vidioc_querycap = coda_querycap,
1345
1346 .vidioc_enum_fmt_vid_cap = coda_enum_fmt,
1347 .vidioc_g_fmt_vid_cap = coda_g_fmt,
1348 .vidioc_try_fmt_vid_cap = coda_try_fmt_vid_cap,
1349 .vidioc_s_fmt_vid_cap = coda_s_fmt_vid_cap,
1350
1351 .vidioc_enum_fmt_vid_out = coda_enum_fmt,
1352 .vidioc_g_fmt_vid_out = coda_g_fmt,
1353 .vidioc_try_fmt_vid_out = coda_try_fmt_vid_out,
1354 .vidioc_s_fmt_vid_out = coda_s_fmt_vid_out,
1355
1356 .vidioc_reqbufs = coda_reqbufs,
1357 .vidioc_querybuf = v4l2_m2m_ioctl_querybuf,
1358
1359 .vidioc_qbuf = coda_qbuf,
1360 .vidioc_expbuf = v4l2_m2m_ioctl_expbuf,
1361 .vidioc_dqbuf = coda_dqbuf,
1362 .vidioc_create_bufs = v4l2_m2m_ioctl_create_bufs,
1363 .vidioc_prepare_buf = v4l2_m2m_ioctl_prepare_buf,
1364
1365 .vidioc_streamon = v4l2_m2m_ioctl_streamon,
1366 .vidioc_streamoff = v4l2_m2m_ioctl_streamoff,
1367
1368 .vidioc_g_selection = coda_g_selection,
1369 .vidioc_s_selection = coda_s_selection,
1370
1371 .vidioc_try_encoder_cmd = coda_try_encoder_cmd,
1372 .vidioc_encoder_cmd = coda_encoder_cmd,
1373 .vidioc_try_decoder_cmd = coda_try_decoder_cmd,
1374 .vidioc_decoder_cmd = coda_decoder_cmd,
1375
1376 .vidioc_g_parm = coda_g_parm,
1377 .vidioc_s_parm = coda_s_parm,
1378
1379 .vidioc_enum_framesizes = coda_enum_framesizes,
1380 .vidioc_enum_frameintervals = coda_enum_frameintervals,
1381
1382 .vidioc_subscribe_event = coda_subscribe_event,
1383 .vidioc_unsubscribe_event = v4l2_event_unsubscribe,
1384};
1385
1386
1387
1388
1389
1390static void coda_device_run(void *m2m_priv)
1391{
1392 struct coda_ctx *ctx = m2m_priv;
1393 struct coda_dev *dev = ctx->dev;
1394
1395 queue_work(dev->workqueue, &ctx->pic_run_work);
1396}
1397
1398static void coda_pic_run_work(struct work_struct *work)
1399{
1400 struct coda_ctx *ctx = container_of(work, struct coda_ctx, pic_run_work);
1401 struct coda_dev *dev = ctx->dev;
1402 int ret;
1403
1404 mutex_lock(&ctx->buffer_mutex);
1405 mutex_lock(&dev->coda_mutex);
1406
1407 ret = ctx->ops->prepare_run(ctx);
1408 if (ret < 0 && ctx->inst_type == CODA_INST_DECODER) {
1409 mutex_unlock(&dev->coda_mutex);
1410 mutex_unlock(&ctx->buffer_mutex);
1411
1412 return;
1413 }
1414
1415 if (!wait_for_completion_timeout(&ctx->completion,
1416 msecs_to_jiffies(1000))) {
1417 dev_err(dev->dev, "CODA PIC_RUN timeout\n");
1418
1419 ctx->hold = true;
1420
1421 coda_hw_reset(ctx);
1422
1423 if (ctx->ops->run_timeout)
1424 ctx->ops->run_timeout(ctx);
1425 } else if (!ctx->aborting) {
1426 ctx->ops->finish_run(ctx);
1427 }
1428
1429 if ((ctx->aborting || (!ctx->streamon_cap && !ctx->streamon_out)) &&
1430 ctx->ops->seq_end_work)
1431 queue_work(dev->workqueue, &ctx->seq_end_work);
1432
1433 mutex_unlock(&dev->coda_mutex);
1434 mutex_unlock(&ctx->buffer_mutex);
1435
1436 v4l2_m2m_job_finish(ctx->dev->m2m_dev, ctx->fh.m2m_ctx);
1437}
1438
1439static int coda_job_ready(void *m2m_priv)
1440{
1441 struct coda_ctx *ctx = m2m_priv;
1442 int src_bufs = v4l2_m2m_num_src_bufs_ready(ctx->fh.m2m_ctx);
1443
1444
1445
1446
1447
1448
1449 if (!src_bufs && ctx->inst_type != CODA_INST_DECODER) {
1450 coda_dbg(1, ctx, "not ready: not enough vid-out buffers.\n");
1451 return 0;
1452 }
1453
1454 if (!v4l2_m2m_num_dst_bufs_ready(ctx->fh.m2m_ctx)) {
1455 coda_dbg(1, ctx, "not ready: not enough vid-cap buffers.\n");
1456 return 0;
1457 }
1458
1459 if (ctx->inst_type == CODA_INST_DECODER && ctx->use_bit) {
1460 bool stream_end = ctx->bit_stream_param &
1461 CODA_BIT_STREAM_END_FLAG;
1462 int num_metas = ctx->num_metas;
1463 struct coda_buffer_meta *meta;
1464 unsigned int count;
1465
1466 count = hweight32(ctx->frm_dis_flg);
1467 if (ctx->use_vdoa && count >= (ctx->num_internal_frames - 1)) {
1468 coda_dbg(1, ctx,
1469 "not ready: all internal buffers in use: %d/%d (0x%x)",
1470 count, ctx->num_internal_frames,
1471 ctx->frm_dis_flg);
1472 return 0;
1473 }
1474
1475 if (ctx->hold && !src_bufs) {
1476 coda_dbg(1, ctx,
1477 "not ready: on hold for more buffers.\n");
1478 return 0;
1479 }
1480
1481 if (!stream_end && (num_metas + src_bufs) < 2) {
1482 coda_dbg(1, ctx,
1483 "not ready: need 2 buffers available (queue:%d + bitstream:%d)\n",
1484 num_metas, src_bufs);
1485 return 0;
1486 }
1487
1488 meta = list_first_entry(&ctx->buffer_meta_list,
1489 struct coda_buffer_meta, list);
1490 if (!coda_bitstream_can_fetch_past(ctx, meta->end) &&
1491 !stream_end) {
1492 coda_dbg(1, ctx,
1493 "not ready: not enough bitstream data to read past %u (%u)\n",
1494 meta->end, ctx->bitstream_fifo.kfifo.in);
1495 return 0;
1496 }
1497 }
1498
1499 if (ctx->aborting) {
1500 coda_dbg(1, ctx, "not ready: aborting\n");
1501 return 0;
1502 }
1503
1504 coda_dbg(2, ctx, "job ready\n");
1505
1506 return 1;
1507}
1508
1509static void coda_job_abort(void *priv)
1510{
1511 struct coda_ctx *ctx = priv;
1512
1513 ctx->aborting = 1;
1514
1515 coda_dbg(1, ctx, "job abort\n");
1516}
1517
1518static const struct v4l2_m2m_ops coda_m2m_ops = {
1519 .device_run = coda_device_run,
1520 .job_ready = coda_job_ready,
1521 .job_abort = coda_job_abort,
1522};
1523
1524static void set_default_params(struct coda_ctx *ctx)
1525{
1526 unsigned int max_w, max_h, usize, csize;
1527
1528 ctx->codec = coda_find_codec(ctx->dev, ctx->cvd->src_formats[0],
1529 ctx->cvd->dst_formats[0]);
1530 max_w = min(ctx->codec->max_w, 1920U);
1531 max_h = min(ctx->codec->max_h, 1088U);
1532 usize = max_w * max_h * 3 / 2;
1533 csize = coda_estimate_sizeimage(ctx, usize, max_w, max_h);
1534
1535 ctx->params.codec_mode = ctx->codec->mode;
1536 if (ctx->cvd->src_formats[0] == V4L2_PIX_FMT_JPEG)
1537 ctx->colorspace = V4L2_COLORSPACE_JPEG;
1538 else
1539 ctx->colorspace = V4L2_COLORSPACE_REC709;
1540 ctx->xfer_func = V4L2_XFER_FUNC_DEFAULT;
1541 ctx->ycbcr_enc = V4L2_YCBCR_ENC_DEFAULT;
1542 ctx->quantization = V4L2_QUANTIZATION_DEFAULT;
1543 ctx->params.framerate = 30;
1544
1545
1546 ctx->q_data[V4L2_M2M_SRC].fourcc = ctx->cvd->src_formats[0];
1547 ctx->q_data[V4L2_M2M_DST].fourcc = ctx->cvd->dst_formats[0];
1548 ctx->q_data[V4L2_M2M_SRC].width = max_w;
1549 ctx->q_data[V4L2_M2M_SRC].height = max_h;
1550 ctx->q_data[V4L2_M2M_DST].width = max_w;
1551 ctx->q_data[V4L2_M2M_DST].height = max_h;
1552 if (ctx->codec->src_fourcc == V4L2_PIX_FMT_YUV420) {
1553 ctx->q_data[V4L2_M2M_SRC].bytesperline = max_w;
1554 ctx->q_data[V4L2_M2M_SRC].sizeimage = usize;
1555 ctx->q_data[V4L2_M2M_DST].bytesperline = 0;
1556 ctx->q_data[V4L2_M2M_DST].sizeimage = csize;
1557 } else {
1558 ctx->q_data[V4L2_M2M_SRC].bytesperline = 0;
1559 ctx->q_data[V4L2_M2M_SRC].sizeimage = csize;
1560 ctx->q_data[V4L2_M2M_DST].bytesperline = max_w;
1561 ctx->q_data[V4L2_M2M_DST].sizeimage = usize;
1562 }
1563 ctx->q_data[V4L2_M2M_SRC].rect.width = max_w;
1564 ctx->q_data[V4L2_M2M_SRC].rect.height = max_h;
1565 ctx->q_data[V4L2_M2M_DST].rect.width = max_w;
1566 ctx->q_data[V4L2_M2M_DST].rect.height = max_h;
1567
1568
1569
1570
1571
1572 ctx->tiled_map_type = GDI_LINEAR_FRAME_MAP;
1573}
1574
1575
1576
1577
1578static int coda_queue_setup(struct vb2_queue *vq,
1579 unsigned int *nbuffers, unsigned int *nplanes,
1580 unsigned int sizes[], struct device *alloc_devs[])
1581{
1582 struct coda_ctx *ctx = vb2_get_drv_priv(vq);
1583 struct coda_q_data *q_data;
1584 unsigned int size;
1585
1586 q_data = get_q_data(ctx, vq->type);
1587 size = q_data->sizeimage;
1588
1589 if (*nplanes)
1590 return sizes[0] < size ? -EINVAL : 0;
1591
1592 *nplanes = 1;
1593 sizes[0] = size;
1594
1595 coda_dbg(1, ctx, "get %d buffer(s) of size %d each.\n", *nbuffers,
1596 size);
1597
1598 return 0;
1599}
1600
1601static int coda_buf_prepare(struct vb2_buffer *vb)
1602{
1603 struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
1604 struct coda_ctx *ctx = vb2_get_drv_priv(vb->vb2_queue);
1605 struct coda_q_data *q_data;
1606
1607 q_data = get_q_data(ctx, vb->vb2_queue->type);
1608 if (V4L2_TYPE_IS_OUTPUT(vb->vb2_queue->type)) {
1609 if (vbuf->field == V4L2_FIELD_ANY)
1610 vbuf->field = V4L2_FIELD_NONE;
1611 if (vbuf->field != V4L2_FIELD_NONE) {
1612 v4l2_warn(&ctx->dev->v4l2_dev,
1613 "%s field isn't supported\n", __func__);
1614 return -EINVAL;
1615 }
1616 }
1617
1618 if (vb2_plane_size(vb, 0) < q_data->sizeimage) {
1619 v4l2_warn(&ctx->dev->v4l2_dev,
1620 "%s data will not fit into plane (%lu < %lu)\n",
1621 __func__, vb2_plane_size(vb, 0),
1622 (long)q_data->sizeimage);
1623 return -EINVAL;
1624 }
1625
1626 return 0;
1627}
1628
1629static void coda_update_menu_ctrl(struct v4l2_ctrl *ctrl, int value)
1630{
1631 if (!ctrl)
1632 return;
1633
1634 v4l2_ctrl_lock(ctrl);
1635
1636
1637
1638
1639
1640 if (value > ctrl->maximum) {
1641 __v4l2_ctrl_modify_range(ctrl, ctrl->minimum, value,
1642 ctrl->menu_skip_mask & ~(1 << value),
1643 ctrl->default_value);
1644 } else if (value < ctrl->minimum) {
1645 __v4l2_ctrl_modify_range(ctrl, value, ctrl->maximum,
1646 ctrl->menu_skip_mask & ~(1 << value),
1647 ctrl->default_value);
1648 }
1649
1650 __v4l2_ctrl_s_ctrl(ctrl, value);
1651
1652 v4l2_ctrl_unlock(ctrl);
1653}
1654
1655void coda_update_profile_level_ctrls(struct coda_ctx *ctx, u8 profile_idc,
1656 u8 level_idc)
1657{
1658 const char * const *profile_names;
1659 const char * const *level_names;
1660 struct v4l2_ctrl *profile_ctrl;
1661 struct v4l2_ctrl *level_ctrl;
1662 const char *codec_name;
1663 u32 profile_cid;
1664 u32 level_cid;
1665 int profile;
1666 int level;
1667
1668 switch (ctx->codec->src_fourcc) {
1669 case V4L2_PIX_FMT_H264:
1670 codec_name = "H264";
1671 profile_cid = V4L2_CID_MPEG_VIDEO_H264_PROFILE;
1672 level_cid = V4L2_CID_MPEG_VIDEO_H264_LEVEL;
1673 profile_ctrl = ctx->h264_profile_ctrl;
1674 level_ctrl = ctx->h264_level_ctrl;
1675 profile = coda_h264_profile(profile_idc);
1676 level = coda_h264_level(level_idc);
1677 break;
1678 case V4L2_PIX_FMT_MPEG2:
1679 codec_name = "MPEG-2";
1680 profile_cid = V4L2_CID_MPEG_VIDEO_MPEG2_PROFILE;
1681 level_cid = V4L2_CID_MPEG_VIDEO_MPEG2_LEVEL;
1682 profile_ctrl = ctx->mpeg2_profile_ctrl;
1683 level_ctrl = ctx->mpeg2_level_ctrl;
1684 profile = coda_mpeg2_profile(profile_idc);
1685 level = coda_mpeg2_level(level_idc);
1686 break;
1687 case V4L2_PIX_FMT_MPEG4:
1688 codec_name = "MPEG-4";
1689 profile_cid = V4L2_CID_MPEG_VIDEO_MPEG4_PROFILE;
1690 level_cid = V4L2_CID_MPEG_VIDEO_MPEG4_LEVEL;
1691 profile_ctrl = ctx->mpeg4_profile_ctrl;
1692 level_ctrl = ctx->mpeg4_level_ctrl;
1693 profile = coda_mpeg4_profile(profile_idc);
1694 level = coda_mpeg4_level(level_idc);
1695 break;
1696 default:
1697 return;
1698 }
1699
1700 profile_names = v4l2_ctrl_get_menu(profile_cid);
1701 level_names = v4l2_ctrl_get_menu(level_cid);
1702
1703 if (profile < 0) {
1704 v4l2_warn(&ctx->dev->v4l2_dev, "Invalid %s profile: %u\n",
1705 codec_name, profile_idc);
1706 } else {
1707 coda_dbg(1, ctx, "Parsed %s profile: %s\n", codec_name,
1708 profile_names[profile]);
1709 coda_update_menu_ctrl(profile_ctrl, profile);
1710 }
1711
1712 if (level < 0) {
1713 v4l2_warn(&ctx->dev->v4l2_dev, "Invalid %s level: %u\n",
1714 codec_name, level_idc);
1715 } else {
1716 coda_dbg(1, ctx, "Parsed %s level: %s\n", codec_name,
1717 level_names[level]);
1718 coda_update_menu_ctrl(level_ctrl, level);
1719 }
1720}
1721
1722static void coda_queue_source_change_event(struct coda_ctx *ctx)
1723{
1724 static const struct v4l2_event source_change_event = {
1725 .type = V4L2_EVENT_SOURCE_CHANGE,
1726 .u.src_change.changes = V4L2_EVENT_SRC_CH_RESOLUTION,
1727 };
1728
1729 v4l2_event_queue_fh(&ctx->fh, &source_change_event);
1730}
1731
1732static void coda_buf_queue(struct vb2_buffer *vb)
1733{
1734 struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
1735 struct coda_ctx *ctx = vb2_get_drv_priv(vb->vb2_queue);
1736 struct vb2_queue *vq = vb->vb2_queue;
1737 struct coda_q_data *q_data;
1738
1739 q_data = get_q_data(ctx, vb->vb2_queue->type);
1740
1741
1742
1743
1744
1745 if (ctx->bitstream.size && vq->type == V4L2_BUF_TYPE_VIDEO_OUTPUT) {
1746
1747
1748
1749
1750 if (vb2_get_plane_payload(vb, 0) == 0)
1751 coda_bit_stream_end_flag(ctx);
1752
1753 if (q_data->fourcc == V4L2_PIX_FMT_H264) {
1754
1755
1756
1757
1758
1759
1760 if (!ctx->params.h264_profile_idc) {
1761 coda_sps_parse_profile(ctx, vb);
1762 coda_update_profile_level_ctrls(ctx,
1763 ctx->params.h264_profile_idc,
1764 ctx->params.h264_level_idc);
1765 }
1766 }
1767
1768 mutex_lock(&ctx->bitstream_mutex);
1769 v4l2_m2m_buf_queue(ctx->fh.m2m_ctx, vbuf);
1770 if (vb2_is_streaming(vb->vb2_queue))
1771
1772 coda_fill_bitstream(ctx, NULL);
1773 mutex_unlock(&ctx->bitstream_mutex);
1774
1775 if (!ctx->initialized) {
1776
1777
1778
1779
1780 if (vb2_is_streaming(vb->vb2_queue) &&
1781 ctx->ops->seq_init_work) {
1782 queue_work(ctx->dev->workqueue,
1783 &ctx->seq_init_work);
1784 flush_work(&ctx->seq_init_work);
1785 }
1786
1787 if (ctx->initialized)
1788 coda_queue_source_change_event(ctx);
1789 }
1790 } else {
1791 if (ctx->inst_type == CODA_INST_ENCODER &&
1792 vq->type == V4L2_BUF_TYPE_VIDEO_OUTPUT)
1793 vbuf->sequence = ctx->qsequence++;
1794 v4l2_m2m_buf_queue(ctx->fh.m2m_ctx, vbuf);
1795 }
1796}
1797
1798int coda_alloc_aux_buf(struct coda_dev *dev, struct coda_aux_buf *buf,
1799 size_t size, const char *name, struct dentry *parent)
1800{
1801 buf->vaddr = dma_alloc_coherent(dev->dev, size, &buf->paddr,
1802 GFP_KERNEL);
1803 if (!buf->vaddr) {
1804 v4l2_err(&dev->v4l2_dev,
1805 "Failed to allocate %s buffer of size %zu\n",
1806 name, size);
1807 return -ENOMEM;
1808 }
1809
1810 buf->size = size;
1811
1812 if (name && parent) {
1813 buf->blob.data = buf->vaddr;
1814 buf->blob.size = size;
1815 buf->dentry = debugfs_create_blob(name, 0644, parent,
1816 &buf->blob);
1817 if (!buf->dentry)
1818 dev_warn(dev->dev,
1819 "failed to create debugfs entry %s\n", name);
1820 }
1821
1822 return 0;
1823}
1824
1825void coda_free_aux_buf(struct coda_dev *dev,
1826 struct coda_aux_buf *buf)
1827{
1828 if (buf->vaddr) {
1829 dma_free_coherent(dev->dev, buf->size, buf->vaddr, buf->paddr);
1830 buf->vaddr = NULL;
1831 buf->size = 0;
1832 debugfs_remove(buf->dentry);
1833 buf->dentry = NULL;
1834 }
1835}
1836
1837static int coda_start_streaming(struct vb2_queue *q, unsigned int count)
1838{
1839 struct coda_ctx *ctx = vb2_get_drv_priv(q);
1840 struct v4l2_device *v4l2_dev = &ctx->dev->v4l2_dev;
1841 struct coda_q_data *q_data_src, *q_data_dst;
1842 struct v4l2_m2m_buffer *m2m_buf, *tmp;
1843 struct vb2_v4l2_buffer *buf;
1844 struct list_head list;
1845 int ret = 0;
1846
1847 if (count < 1)
1848 return -EINVAL;
1849
1850 coda_dbg(1, ctx, "start streaming %s\n", v4l2_type_names[q->type]);
1851
1852 INIT_LIST_HEAD(&list);
1853
1854 q_data_src = get_q_data(ctx, V4L2_BUF_TYPE_VIDEO_OUTPUT);
1855 if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT) {
1856 if (ctx->inst_type == CODA_INST_DECODER && ctx->use_bit) {
1857
1858 mutex_lock(&ctx->bitstream_mutex);
1859 coda_fill_bitstream(ctx, &list);
1860 mutex_unlock(&ctx->bitstream_mutex);
1861
1862 if (ctx->dev->devtype->product != CODA_960 &&
1863 coda_get_bitstream_payload(ctx) < 512) {
1864 v4l2_err(v4l2_dev, "start payload < 512\n");
1865 ret = -EINVAL;
1866 goto err;
1867 }
1868
1869 if (!ctx->initialized) {
1870
1871 if (ctx->ops->seq_init_work) {
1872 queue_work(ctx->dev->workqueue,
1873 &ctx->seq_init_work);
1874 flush_work(&ctx->seq_init_work);
1875 }
1876 }
1877 }
1878
1879 ctx->streamon_out = 1;
1880 } else {
1881 ctx->streamon_cap = 1;
1882 }
1883
1884
1885 if (!(ctx->streamon_out && ctx->streamon_cap))
1886 goto out;
1887
1888 q_data_dst = get_q_data(ctx, V4L2_BUF_TYPE_VIDEO_CAPTURE);
1889 if ((q_data_src->rect.width != q_data_dst->width &&
1890 round_up(q_data_src->rect.width, 16) != q_data_dst->width) ||
1891 (q_data_src->rect.height != q_data_dst->height &&
1892 round_up(q_data_src->rect.height, 16) != q_data_dst->height)) {
1893 v4l2_err(v4l2_dev, "can't convert %dx%d to %dx%d\n",
1894 q_data_src->rect.width, q_data_src->rect.height,
1895 q_data_dst->width, q_data_dst->height);
1896 ret = -EINVAL;
1897 goto err;
1898 }
1899
1900
1901 if (ctx->inst_type == CODA_INST_DECODER && ctx->use_bit)
1902 v4l2_m2m_set_src_buffered(ctx->fh.m2m_ctx, true);
1903
1904 ctx->gopcounter = ctx->params.gop_size - 1;
1905
1906 if (q_data_dst->fourcc == V4L2_PIX_FMT_JPEG)
1907 ctx->params.gop_size = 1;
1908 ctx->gopcounter = ctx->params.gop_size - 1;
1909
1910 ret = ctx->ops->start_streaming(ctx);
1911 if (ctx->inst_type == CODA_INST_DECODER) {
1912 if (ret == -EAGAIN)
1913 goto out;
1914 }
1915 if (ret < 0)
1916 goto err;
1917
1918out:
1919 if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT) {
1920 list_for_each_entry_safe(m2m_buf, tmp, &list, list) {
1921 list_del(&m2m_buf->list);
1922 v4l2_m2m_buf_done(&m2m_buf->vb, VB2_BUF_STATE_DONE);
1923 }
1924 }
1925 return 0;
1926
1927err:
1928 if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT) {
1929 list_for_each_entry_safe(m2m_buf, tmp, &list, list) {
1930 list_del(&m2m_buf->list);
1931 v4l2_m2m_buf_done(&m2m_buf->vb, VB2_BUF_STATE_QUEUED);
1932 }
1933 while ((buf = v4l2_m2m_src_buf_remove(ctx->fh.m2m_ctx)))
1934 v4l2_m2m_buf_done(buf, VB2_BUF_STATE_QUEUED);
1935 } else {
1936 while ((buf = v4l2_m2m_dst_buf_remove(ctx->fh.m2m_ctx)))
1937 v4l2_m2m_buf_done(buf, VB2_BUF_STATE_QUEUED);
1938 }
1939 return ret;
1940}
1941
1942static void coda_stop_streaming(struct vb2_queue *q)
1943{
1944 struct coda_ctx *ctx = vb2_get_drv_priv(q);
1945 struct coda_dev *dev = ctx->dev;
1946 struct vb2_v4l2_buffer *buf;
1947 bool stop;
1948
1949 stop = ctx->streamon_out && ctx->streamon_cap;
1950
1951 coda_dbg(1, ctx, "stop streaming %s\n", v4l2_type_names[q->type]);
1952
1953 if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT) {
1954 ctx->streamon_out = 0;
1955
1956 coda_bit_stream_end_flag(ctx);
1957
1958 ctx->qsequence = 0;
1959
1960 while ((buf = v4l2_m2m_src_buf_remove(ctx->fh.m2m_ctx)))
1961 v4l2_m2m_buf_done(buf, VB2_BUF_STATE_ERROR);
1962 } else {
1963 ctx->streamon_cap = 0;
1964
1965 ctx->osequence = 0;
1966 ctx->sequence_offset = 0;
1967
1968 while ((buf = v4l2_m2m_dst_buf_remove(ctx->fh.m2m_ctx)))
1969 v4l2_m2m_buf_done(buf, VB2_BUF_STATE_ERROR);
1970 }
1971
1972 if (stop) {
1973 struct coda_buffer_meta *meta;
1974
1975 if (ctx->ops->seq_end_work) {
1976 queue_work(dev->workqueue, &ctx->seq_end_work);
1977 flush_work(&ctx->seq_end_work);
1978 }
1979 spin_lock(&ctx->buffer_meta_lock);
1980 while (!list_empty(&ctx->buffer_meta_list)) {
1981 meta = list_first_entry(&ctx->buffer_meta_list,
1982 struct coda_buffer_meta, list);
1983 list_del(&meta->list);
1984 kfree(meta);
1985 }
1986 ctx->num_metas = 0;
1987 spin_unlock(&ctx->buffer_meta_lock);
1988 kfifo_init(&ctx->bitstream_fifo,
1989 ctx->bitstream.vaddr, ctx->bitstream.size);
1990 ctx->runcounter = 0;
1991 ctx->aborting = 0;
1992 ctx->hold = false;
1993 }
1994
1995 if (!ctx->streamon_out && !ctx->streamon_cap)
1996 ctx->bit_stream_param &= ~CODA_BIT_STREAM_END_FLAG;
1997}
1998
1999static const struct vb2_ops coda_qops = {
2000 .queue_setup = coda_queue_setup,
2001 .buf_prepare = coda_buf_prepare,
2002 .buf_queue = coda_buf_queue,
2003 .start_streaming = coda_start_streaming,
2004 .stop_streaming = coda_stop_streaming,
2005 .wait_prepare = vb2_ops_wait_prepare,
2006 .wait_finish = vb2_ops_wait_finish,
2007};
2008
2009static int coda_s_ctrl(struct v4l2_ctrl *ctrl)
2010{
2011 const char * const *val_names = v4l2_ctrl_get_menu(ctrl->id);
2012 struct coda_ctx *ctx =
2013 container_of(ctrl->handler, struct coda_ctx, ctrls);
2014
2015 if (val_names)
2016 coda_dbg(2, ctx, "s_ctrl: id = 0x%x, name = \"%s\", val = %d (\"%s\")\n",
2017 ctrl->id, ctrl->name, ctrl->val, val_names[ctrl->val]);
2018 else
2019 coda_dbg(2, ctx, "s_ctrl: id = 0x%x, name = \"%s\", val = %d\n",
2020 ctrl->id, ctrl->name, ctrl->val);
2021
2022 switch (ctrl->id) {
2023 case V4L2_CID_HFLIP:
2024 if (ctrl->val)
2025 ctx->params.rot_mode |= CODA_MIR_HOR;
2026 else
2027 ctx->params.rot_mode &= ~CODA_MIR_HOR;
2028 break;
2029 case V4L2_CID_VFLIP:
2030 if (ctrl->val)
2031 ctx->params.rot_mode |= CODA_MIR_VER;
2032 else
2033 ctx->params.rot_mode &= ~CODA_MIR_VER;
2034 break;
2035 case V4L2_CID_MPEG_VIDEO_BITRATE:
2036 ctx->params.bitrate = ctrl->val / 1000;
2037 ctx->params.bitrate_changed = true;
2038 break;
2039 case V4L2_CID_MPEG_VIDEO_GOP_SIZE:
2040 ctx->params.gop_size = ctrl->val;
2041 break;
2042 case V4L2_CID_MPEG_VIDEO_H264_I_FRAME_QP:
2043 ctx->params.h264_intra_qp = ctrl->val;
2044 ctx->params.h264_intra_qp_changed = true;
2045 break;
2046 case V4L2_CID_MPEG_VIDEO_H264_P_FRAME_QP:
2047 ctx->params.h264_inter_qp = ctrl->val;
2048 break;
2049 case V4L2_CID_MPEG_VIDEO_H264_MIN_QP:
2050 ctx->params.h264_min_qp = ctrl->val;
2051 break;
2052 case V4L2_CID_MPEG_VIDEO_H264_MAX_QP:
2053 ctx->params.h264_max_qp = ctrl->val;
2054 break;
2055 case V4L2_CID_MPEG_VIDEO_H264_LOOP_FILTER_ALPHA:
2056 ctx->params.h264_slice_alpha_c0_offset_div2 = ctrl->val;
2057 break;
2058 case V4L2_CID_MPEG_VIDEO_H264_LOOP_FILTER_BETA:
2059 ctx->params.h264_slice_beta_offset_div2 = ctrl->val;
2060 break;
2061 case V4L2_CID_MPEG_VIDEO_H264_LOOP_FILTER_MODE:
2062 ctx->params.h264_disable_deblocking_filter_idc = ctrl->val;
2063 break;
2064 case V4L2_CID_MPEG_VIDEO_H264_CONSTRAINED_INTRA_PREDICTION:
2065 ctx->params.h264_constrained_intra_pred_flag = ctrl->val;
2066 break;
2067 case V4L2_CID_MPEG_VIDEO_H264_CHROMA_QP_INDEX_OFFSET:
2068 ctx->params.h264_chroma_qp_index_offset = ctrl->val;
2069 break;
2070 case V4L2_CID_MPEG_VIDEO_H264_PROFILE:
2071
2072 if (ctx->inst_type == CODA_INST_ENCODER)
2073 ctx->params.h264_profile_idc = 66;
2074 break;
2075 case V4L2_CID_MPEG_VIDEO_H264_LEVEL:
2076
2077 break;
2078 case V4L2_CID_MPEG_VIDEO_MPEG4_I_FRAME_QP:
2079 ctx->params.mpeg4_intra_qp = ctrl->val;
2080 break;
2081 case V4L2_CID_MPEG_VIDEO_MPEG4_P_FRAME_QP:
2082 ctx->params.mpeg4_inter_qp = ctrl->val;
2083 break;
2084 case V4L2_CID_MPEG_VIDEO_MPEG2_PROFILE:
2085 case V4L2_CID_MPEG_VIDEO_MPEG2_LEVEL:
2086 case V4L2_CID_MPEG_VIDEO_MPEG4_PROFILE:
2087 case V4L2_CID_MPEG_VIDEO_MPEG4_LEVEL:
2088
2089 break;
2090 case V4L2_CID_MPEG_VIDEO_MULTI_SLICE_MODE:
2091 ctx->params.slice_mode = ctrl->val;
2092 ctx->params.slice_mode_changed = true;
2093 break;
2094 case V4L2_CID_MPEG_VIDEO_MULTI_SLICE_MAX_MB:
2095 ctx->params.slice_max_mb = ctrl->val;
2096 ctx->params.slice_mode_changed = true;
2097 break;
2098 case V4L2_CID_MPEG_VIDEO_MULTI_SLICE_MAX_BYTES:
2099 ctx->params.slice_max_bits = ctrl->val * 8;
2100 ctx->params.slice_mode_changed = true;
2101 break;
2102 case V4L2_CID_MPEG_VIDEO_HEADER_MODE:
2103 break;
2104 case V4L2_CID_MPEG_VIDEO_CYCLIC_INTRA_REFRESH_MB:
2105 ctx->params.intra_refresh = ctrl->val;
2106 ctx->params.intra_refresh_changed = true;
2107 break;
2108 case V4L2_CID_MPEG_VIDEO_FORCE_KEY_FRAME:
2109 ctx->params.force_ipicture = true;
2110 break;
2111 case V4L2_CID_JPEG_COMPRESSION_QUALITY:
2112 coda_set_jpeg_compression_quality(ctx, ctrl->val);
2113 break;
2114 case V4L2_CID_JPEG_RESTART_INTERVAL:
2115 ctx->params.jpeg_restart_interval = ctrl->val;
2116 break;
2117 case V4L2_CID_MPEG_VIDEO_VBV_DELAY:
2118 ctx->params.vbv_delay = ctrl->val;
2119 break;
2120 case V4L2_CID_MPEG_VIDEO_VBV_SIZE:
2121 ctx->params.vbv_size = min(ctrl->val * 8192, 0x7fffffff);
2122 break;
2123 default:
2124 coda_dbg(1, ctx, "Invalid control, id=%d, val=%d\n",
2125 ctrl->id, ctrl->val);
2126 return -EINVAL;
2127 }
2128
2129 return 0;
2130}
2131
2132static const struct v4l2_ctrl_ops coda_ctrl_ops = {
2133 .s_ctrl = coda_s_ctrl,
2134};
2135
2136static void coda_encode_ctrls(struct coda_ctx *ctx)
2137{
2138 int max_gop_size = (ctx->dev->devtype->product == CODA_DX6) ? 60 : 99;
2139
2140 v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
2141 V4L2_CID_MPEG_VIDEO_BITRATE, 0, 32767000, 1000, 0);
2142 v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
2143 V4L2_CID_MPEG_VIDEO_GOP_SIZE, 0, max_gop_size, 1, 16);
2144 v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
2145 V4L2_CID_MPEG_VIDEO_H264_I_FRAME_QP, 0, 51, 1, 25);
2146 v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
2147 V4L2_CID_MPEG_VIDEO_H264_P_FRAME_QP, 0, 51, 1, 25);
2148 if (ctx->dev->devtype->product != CODA_960) {
2149 v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
2150 V4L2_CID_MPEG_VIDEO_H264_MIN_QP, 0, 51, 1, 12);
2151 }
2152 v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
2153 V4L2_CID_MPEG_VIDEO_H264_MAX_QP, 0, 51, 1, 51);
2154 v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
2155 V4L2_CID_MPEG_VIDEO_H264_LOOP_FILTER_ALPHA, -6, 6, 1, 0);
2156 v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
2157 V4L2_CID_MPEG_VIDEO_H264_LOOP_FILTER_BETA, -6, 6, 1, 0);
2158 v4l2_ctrl_new_std_menu(&ctx->ctrls, &coda_ctrl_ops,
2159 V4L2_CID_MPEG_VIDEO_H264_LOOP_FILTER_MODE,
2160 V4L2_MPEG_VIDEO_H264_LOOP_FILTER_MODE_DISABLED_AT_SLICE_BOUNDARY,
2161 0x0, V4L2_MPEG_VIDEO_H264_LOOP_FILTER_MODE_ENABLED);
2162 v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
2163 V4L2_CID_MPEG_VIDEO_H264_CONSTRAINED_INTRA_PREDICTION, 0, 1, 1,
2164 0);
2165 v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
2166 V4L2_CID_MPEG_VIDEO_H264_CHROMA_QP_INDEX_OFFSET, -12, 12, 1, 0);
2167 v4l2_ctrl_new_std_menu(&ctx->ctrls, &coda_ctrl_ops,
2168 V4L2_CID_MPEG_VIDEO_H264_PROFILE,
2169 V4L2_MPEG_VIDEO_H264_PROFILE_BASELINE, 0x0,
2170 V4L2_MPEG_VIDEO_H264_PROFILE_BASELINE);
2171 if (ctx->dev->devtype->product == CODA_HX4 ||
2172 ctx->dev->devtype->product == CODA_7541) {
2173 v4l2_ctrl_new_std_menu(&ctx->ctrls, &coda_ctrl_ops,
2174 V4L2_CID_MPEG_VIDEO_H264_LEVEL,
2175 V4L2_MPEG_VIDEO_H264_LEVEL_3_1,
2176 ~((1 << V4L2_MPEG_VIDEO_H264_LEVEL_2_0) |
2177 (1 << V4L2_MPEG_VIDEO_H264_LEVEL_3_0) |
2178 (1 << V4L2_MPEG_VIDEO_H264_LEVEL_3_1)),
2179 V4L2_MPEG_VIDEO_H264_LEVEL_3_1);
2180 }
2181 if (ctx->dev->devtype->product == CODA_960) {
2182 v4l2_ctrl_new_std_menu(&ctx->ctrls, &coda_ctrl_ops,
2183 V4L2_CID_MPEG_VIDEO_H264_LEVEL,
2184 V4L2_MPEG_VIDEO_H264_LEVEL_4_0,
2185 ~((1 << V4L2_MPEG_VIDEO_H264_LEVEL_2_0) |
2186 (1 << V4L2_MPEG_VIDEO_H264_LEVEL_3_0) |
2187 (1 << V4L2_MPEG_VIDEO_H264_LEVEL_3_1) |
2188 (1 << V4L2_MPEG_VIDEO_H264_LEVEL_3_2) |
2189 (1 << V4L2_MPEG_VIDEO_H264_LEVEL_4_0)),
2190 V4L2_MPEG_VIDEO_H264_LEVEL_4_0);
2191 }
2192 v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
2193 V4L2_CID_MPEG_VIDEO_MPEG4_I_FRAME_QP, 1, 31, 1, 2);
2194 v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
2195 V4L2_CID_MPEG_VIDEO_MPEG4_P_FRAME_QP, 1, 31, 1, 2);
2196 v4l2_ctrl_new_std_menu(&ctx->ctrls, &coda_ctrl_ops,
2197 V4L2_CID_MPEG_VIDEO_MPEG4_PROFILE,
2198 V4L2_MPEG_VIDEO_MPEG4_PROFILE_SIMPLE, 0x0,
2199 V4L2_MPEG_VIDEO_MPEG4_PROFILE_SIMPLE);
2200 if (ctx->dev->devtype->product == CODA_HX4 ||
2201 ctx->dev->devtype->product == CODA_7541 ||
2202 ctx->dev->devtype->product == CODA_960) {
2203 v4l2_ctrl_new_std_menu(&ctx->ctrls, &coda_ctrl_ops,
2204 V4L2_CID_MPEG_VIDEO_MPEG4_LEVEL,
2205 V4L2_MPEG_VIDEO_MPEG4_LEVEL_5,
2206 ~(1 << V4L2_MPEG_VIDEO_MPEG4_LEVEL_5),
2207 V4L2_MPEG_VIDEO_MPEG4_LEVEL_5);
2208 }
2209 v4l2_ctrl_new_std_menu(&ctx->ctrls, &coda_ctrl_ops,
2210 V4L2_CID_MPEG_VIDEO_MULTI_SLICE_MODE,
2211 V4L2_MPEG_VIDEO_MULTI_SLICE_MODE_MAX_BYTES, 0x0,
2212 V4L2_MPEG_VIDEO_MULTI_SLICE_MODE_SINGLE);
2213 v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
2214 V4L2_CID_MPEG_VIDEO_MULTI_SLICE_MAX_MB, 1, 0x3fffffff, 1, 1);
2215 v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
2216 V4L2_CID_MPEG_VIDEO_MULTI_SLICE_MAX_BYTES, 1, 0x3fffffff, 1,
2217 500);
2218 v4l2_ctrl_new_std_menu(&ctx->ctrls, &coda_ctrl_ops,
2219 V4L2_CID_MPEG_VIDEO_HEADER_MODE,
2220 V4L2_MPEG_VIDEO_HEADER_MODE_JOINED_WITH_1ST_FRAME,
2221 (1 << V4L2_MPEG_VIDEO_HEADER_MODE_SEPARATE),
2222 V4L2_MPEG_VIDEO_HEADER_MODE_JOINED_WITH_1ST_FRAME);
2223 v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
2224 V4L2_CID_MPEG_VIDEO_CYCLIC_INTRA_REFRESH_MB, 0,
2225 1920 * 1088 / 256, 1, 0);
2226 v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
2227 V4L2_CID_MPEG_VIDEO_VBV_DELAY, 0, 0x7fff, 1, 0);
2228
2229
2230
2231
2232 v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
2233 V4L2_CID_MPEG_VIDEO_VBV_SIZE, 0, 262144, 1, 0);
2234}
2235
2236static void coda_jpeg_encode_ctrls(struct coda_ctx *ctx)
2237{
2238 v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
2239 V4L2_CID_JPEG_COMPRESSION_QUALITY, 5, 100, 1, 50);
2240 v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
2241 V4L2_CID_JPEG_RESTART_INTERVAL, 0, 100, 1, 0);
2242}
2243
2244static void coda_decode_ctrls(struct coda_ctx *ctx)
2245{
2246 u8 max;
2247
2248 ctx->h264_profile_ctrl = v4l2_ctrl_new_std_menu(&ctx->ctrls,
2249 &coda_ctrl_ops, V4L2_CID_MPEG_VIDEO_H264_PROFILE,
2250 V4L2_MPEG_VIDEO_H264_PROFILE_HIGH,
2251 ~((1 << V4L2_MPEG_VIDEO_H264_PROFILE_BASELINE) |
2252 (1 << V4L2_MPEG_VIDEO_H264_PROFILE_MAIN) |
2253 (1 << V4L2_MPEG_VIDEO_H264_PROFILE_HIGH)),
2254 V4L2_MPEG_VIDEO_H264_PROFILE_HIGH);
2255 if (ctx->h264_profile_ctrl)
2256 ctx->h264_profile_ctrl->flags |= V4L2_CTRL_FLAG_READ_ONLY;
2257
2258 if (ctx->dev->devtype->product == CODA_HX4 ||
2259 ctx->dev->devtype->product == CODA_7541)
2260 max = V4L2_MPEG_VIDEO_H264_LEVEL_4_0;
2261 else if (ctx->dev->devtype->product == CODA_960)
2262 max = V4L2_MPEG_VIDEO_H264_LEVEL_4_1;
2263 else
2264 return;
2265 ctx->h264_level_ctrl = v4l2_ctrl_new_std_menu(&ctx->ctrls,
2266 &coda_ctrl_ops, V4L2_CID_MPEG_VIDEO_H264_LEVEL, max, 0, max);
2267 if (ctx->h264_level_ctrl)
2268 ctx->h264_level_ctrl->flags |= V4L2_CTRL_FLAG_READ_ONLY;
2269
2270 ctx->mpeg2_profile_ctrl = v4l2_ctrl_new_std_menu(&ctx->ctrls,
2271 &coda_ctrl_ops, V4L2_CID_MPEG_VIDEO_MPEG2_PROFILE,
2272 V4L2_MPEG_VIDEO_MPEG2_PROFILE_HIGH, 0,
2273 V4L2_MPEG_VIDEO_MPEG2_PROFILE_HIGH);
2274 if (ctx->mpeg2_profile_ctrl)
2275 ctx->mpeg2_profile_ctrl->flags |= V4L2_CTRL_FLAG_READ_ONLY;
2276
2277 ctx->mpeg2_level_ctrl = v4l2_ctrl_new_std_menu(&ctx->ctrls,
2278 &coda_ctrl_ops, V4L2_CID_MPEG_VIDEO_MPEG2_LEVEL,
2279 V4L2_MPEG_VIDEO_MPEG2_LEVEL_HIGH, 0,
2280 V4L2_MPEG_VIDEO_MPEG2_LEVEL_HIGH);
2281 if (ctx->mpeg2_level_ctrl)
2282 ctx->mpeg2_level_ctrl->flags |= V4L2_CTRL_FLAG_READ_ONLY;
2283
2284 ctx->mpeg4_profile_ctrl = v4l2_ctrl_new_std_menu(&ctx->ctrls,
2285 &coda_ctrl_ops, V4L2_CID_MPEG_VIDEO_MPEG4_PROFILE,
2286 V4L2_MPEG_VIDEO_MPEG4_PROFILE_ADVANCED_CODING_EFFICIENCY, 0,
2287 V4L2_MPEG_VIDEO_MPEG4_PROFILE_ADVANCED_CODING_EFFICIENCY);
2288 if (ctx->mpeg4_profile_ctrl)
2289 ctx->mpeg4_profile_ctrl->flags |= V4L2_CTRL_FLAG_READ_ONLY;
2290
2291 ctx->mpeg4_level_ctrl = v4l2_ctrl_new_std_menu(&ctx->ctrls,
2292 &coda_ctrl_ops, V4L2_CID_MPEG_VIDEO_MPEG4_LEVEL,
2293 V4L2_MPEG_VIDEO_MPEG4_LEVEL_5, 0,
2294 V4L2_MPEG_VIDEO_MPEG4_LEVEL_5);
2295 if (ctx->mpeg4_level_ctrl)
2296 ctx->mpeg4_level_ctrl->flags |= V4L2_CTRL_FLAG_READ_ONLY;
2297}
2298
2299static int coda_ctrls_setup(struct coda_ctx *ctx)
2300{
2301 v4l2_ctrl_handler_init(&ctx->ctrls, 2);
2302
2303 v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
2304 V4L2_CID_HFLIP, 0, 1, 1, 0);
2305 v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
2306 V4L2_CID_VFLIP, 0, 1, 1, 0);
2307 if (ctx->inst_type == CODA_INST_ENCODER) {
2308 v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
2309 V4L2_CID_MIN_BUFFERS_FOR_OUTPUT,
2310 1, 1, 1, 1);
2311 if (ctx->cvd->dst_formats[0] == V4L2_PIX_FMT_JPEG)
2312 coda_jpeg_encode_ctrls(ctx);
2313 else
2314 coda_encode_ctrls(ctx);
2315 } else {
2316 v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
2317 V4L2_CID_MIN_BUFFERS_FOR_CAPTURE,
2318 1, 1, 1, 1);
2319 if (ctx->cvd->src_formats[0] == V4L2_PIX_FMT_H264)
2320 coda_decode_ctrls(ctx);
2321 }
2322
2323 if (ctx->ctrls.error) {
2324 v4l2_err(&ctx->dev->v4l2_dev,
2325 "control initialization error (%d)",
2326 ctx->ctrls.error);
2327 return -EINVAL;
2328 }
2329
2330 return v4l2_ctrl_handler_setup(&ctx->ctrls);
2331}
2332
2333static int coda_queue_init(struct coda_ctx *ctx, struct vb2_queue *vq)
2334{
2335 vq->drv_priv = ctx;
2336 vq->ops = &coda_qops;
2337 vq->buf_struct_size = sizeof(struct v4l2_m2m_buffer);
2338 vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY;
2339 vq->lock = &ctx->dev->dev_mutex;
2340
2341
2342
2343
2344
2345
2346 vq->allow_zero_bytesused = 1;
2347
2348
2349
2350
2351
2352 vq->min_buffers_needed = 1;
2353 vq->dev = ctx->dev->dev;
2354
2355 return vb2_queue_init(vq);
2356}
2357
2358int coda_encoder_queue_init(void *priv, struct vb2_queue *src_vq,
2359 struct vb2_queue *dst_vq)
2360{
2361 int ret;
2362
2363 src_vq->type = V4L2_BUF_TYPE_VIDEO_OUTPUT;
2364 src_vq->io_modes = VB2_DMABUF | VB2_MMAP;
2365 src_vq->mem_ops = &vb2_dma_contig_memops;
2366
2367 ret = coda_queue_init(priv, src_vq);
2368 if (ret)
2369 return ret;
2370
2371 dst_vq->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
2372 dst_vq->io_modes = VB2_DMABUF | VB2_MMAP;
2373 dst_vq->mem_ops = &vb2_dma_contig_memops;
2374
2375 return coda_queue_init(priv, dst_vq);
2376}
2377
2378int coda_decoder_queue_init(void *priv, struct vb2_queue *src_vq,
2379 struct vb2_queue *dst_vq)
2380{
2381 int ret;
2382
2383 src_vq->type = V4L2_BUF_TYPE_VIDEO_OUTPUT;
2384 src_vq->io_modes = VB2_DMABUF | VB2_MMAP | VB2_USERPTR;
2385 src_vq->mem_ops = &vb2_vmalloc_memops;
2386
2387 ret = coda_queue_init(priv, src_vq);
2388 if (ret)
2389 return ret;
2390
2391 dst_vq->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
2392 dst_vq->io_modes = VB2_DMABUF | VB2_MMAP;
2393 dst_vq->mem_ops = &vb2_dma_contig_memops;
2394
2395 return coda_queue_init(priv, dst_vq);
2396}
2397
2398
2399
2400
2401
2402static int coda_open(struct file *file)
2403{
2404 struct video_device *vdev = video_devdata(file);
2405 struct coda_dev *dev = video_get_drvdata(vdev);
2406 struct coda_ctx *ctx;
2407 unsigned int max = ~0;
2408 char *name;
2409 int ret;
2410 int idx;
2411
2412 ctx = kzalloc(sizeof(*ctx), GFP_KERNEL);
2413 if (!ctx)
2414 return -ENOMEM;
2415
2416 if (dev->devtype->product == CODA_DX6)
2417 max = CODADX6_MAX_INSTANCES - 1;
2418 idx = ida_alloc_max(&dev->ida, max, GFP_KERNEL);
2419 if (idx < 0) {
2420 ret = idx;
2421 goto err_coda_max;
2422 }
2423
2424 name = kasprintf(GFP_KERNEL, "context%d", idx);
2425 if (!name) {
2426 ret = -ENOMEM;
2427 goto err_coda_name_init;
2428 }
2429
2430 ctx->debugfs_entry = debugfs_create_dir(name, dev->debugfs_root);
2431 kfree(name);
2432
2433 ctx->cvd = to_coda_video_device(vdev);
2434 ctx->inst_type = ctx->cvd->type;
2435 ctx->ops = ctx->cvd->ops;
2436 ctx->use_bit = !ctx->cvd->direct;
2437 init_completion(&ctx->completion);
2438 INIT_WORK(&ctx->pic_run_work, coda_pic_run_work);
2439 if (ctx->ops->seq_init_work)
2440 INIT_WORK(&ctx->seq_init_work, ctx->ops->seq_init_work);
2441 if (ctx->ops->seq_end_work)
2442 INIT_WORK(&ctx->seq_end_work, ctx->ops->seq_end_work);
2443 v4l2_fh_init(&ctx->fh, video_devdata(file));
2444 file->private_data = &ctx->fh;
2445 v4l2_fh_add(&ctx->fh);
2446 ctx->dev = dev;
2447 ctx->idx = idx;
2448
2449 coda_dbg(1, ctx, "open instance (%p)\n", ctx);
2450
2451 switch (dev->devtype->product) {
2452 case CODA_960:
2453
2454
2455
2456
2457
2458
2459 if (enable_bwb || ctx->inst_type == CODA_INST_ENCODER)
2460 ctx->frame_mem_ctrl = CODA9_FRAME_ENABLE_BWB;
2461
2462 case CODA_HX4:
2463 case CODA_7541:
2464 ctx->reg_idx = 0;
2465 break;
2466 default:
2467 ctx->reg_idx = idx;
2468 }
2469 if (ctx->dev->vdoa && !disable_vdoa) {
2470 ctx->vdoa = vdoa_context_create(dev->vdoa);
2471 if (!ctx->vdoa)
2472 v4l2_warn(&dev->v4l2_dev,
2473 "Failed to create vdoa context: not using vdoa");
2474 }
2475 ctx->use_vdoa = false;
2476
2477
2478 ret = pm_runtime_get_sync(dev->dev);
2479 if (ret < 0) {
2480 v4l2_err(&dev->v4l2_dev, "failed to power up: %d\n", ret);
2481 goto err_pm_get;
2482 }
2483
2484 ret = clk_prepare_enable(dev->clk_per);
2485 if (ret)
2486 goto err_clk_per;
2487
2488 ret = clk_prepare_enable(dev->clk_ahb);
2489 if (ret)
2490 goto err_clk_ahb;
2491
2492 set_default_params(ctx);
2493 ctx->fh.m2m_ctx = v4l2_m2m_ctx_init(dev->m2m_dev, ctx,
2494 ctx->ops->queue_init);
2495 if (IS_ERR(ctx->fh.m2m_ctx)) {
2496 ret = PTR_ERR(ctx->fh.m2m_ctx);
2497
2498 v4l2_err(&dev->v4l2_dev, "%s return error (%d)\n",
2499 __func__, ret);
2500 goto err_ctx_init;
2501 }
2502
2503 ret = coda_ctrls_setup(ctx);
2504 if (ret) {
2505 v4l2_err(&dev->v4l2_dev, "failed to setup coda controls\n");
2506 goto err_ctrls_setup;
2507 }
2508
2509 ctx->fh.ctrl_handler = &ctx->ctrls;
2510
2511 mutex_init(&ctx->bitstream_mutex);
2512 mutex_init(&ctx->buffer_mutex);
2513 mutex_init(&ctx->wakeup_mutex);
2514 INIT_LIST_HEAD(&ctx->buffer_meta_list);
2515 spin_lock_init(&ctx->buffer_meta_lock);
2516
2517 return 0;
2518
2519err_ctrls_setup:
2520 v4l2_m2m_ctx_release(ctx->fh.m2m_ctx);
2521err_ctx_init:
2522 clk_disable_unprepare(dev->clk_ahb);
2523err_clk_ahb:
2524 clk_disable_unprepare(dev->clk_per);
2525err_clk_per:
2526 pm_runtime_put_sync(dev->dev);
2527err_pm_get:
2528 v4l2_fh_del(&ctx->fh);
2529 v4l2_fh_exit(&ctx->fh);
2530err_coda_name_init:
2531 ida_free(&dev->ida, ctx->idx);
2532err_coda_max:
2533 kfree(ctx);
2534 return ret;
2535}
2536
2537static int coda_release(struct file *file)
2538{
2539 struct coda_dev *dev = video_drvdata(file);
2540 struct coda_ctx *ctx = fh_to_ctx(file->private_data);
2541
2542 coda_dbg(1, ctx, "release instance (%p)\n", ctx);
2543
2544 if (ctx->inst_type == CODA_INST_DECODER && ctx->use_bit)
2545 coda_bit_stream_end_flag(ctx);
2546
2547
2548 v4l2_m2m_ctx_release(ctx->fh.m2m_ctx);
2549
2550 if (ctx->vdoa)
2551 vdoa_context_destroy(ctx->vdoa);
2552
2553
2554 if (ctx->ops->seq_end_work) {
2555 queue_work(dev->workqueue, &ctx->seq_end_work);
2556 flush_work(&ctx->seq_end_work);
2557 }
2558
2559 if (ctx->dev->devtype->product == CODA_DX6)
2560 coda_free_aux_buf(dev, &ctx->workbuf);
2561
2562 v4l2_ctrl_handler_free(&ctx->ctrls);
2563 clk_disable_unprepare(dev->clk_ahb);
2564 clk_disable_unprepare(dev->clk_per);
2565 pm_runtime_put_sync(dev->dev);
2566 v4l2_fh_del(&ctx->fh);
2567 v4l2_fh_exit(&ctx->fh);
2568 ida_free(&dev->ida, ctx->idx);
2569 if (ctx->ops->release)
2570 ctx->ops->release(ctx);
2571 debugfs_remove_recursive(ctx->debugfs_entry);
2572 kfree(ctx);
2573
2574 return 0;
2575}
2576
2577static const struct v4l2_file_operations coda_fops = {
2578 .owner = THIS_MODULE,
2579 .open = coda_open,
2580 .release = coda_release,
2581 .poll = v4l2_m2m_fop_poll,
2582 .unlocked_ioctl = video_ioctl2,
2583 .mmap = v4l2_m2m_fop_mmap,
2584};
2585
2586static int coda_hw_init(struct coda_dev *dev)
2587{
2588 u32 data;
2589 u16 *p;
2590 int i, ret;
2591
2592 ret = clk_prepare_enable(dev->clk_per);
2593 if (ret)
2594 goto err_clk_per;
2595
2596 ret = clk_prepare_enable(dev->clk_ahb);
2597 if (ret)
2598 goto err_clk_ahb;
2599
2600 reset_control_reset(dev->rstc);
2601
2602
2603
2604
2605
2606
2607
2608 p = (u16 *)dev->codebuf.vaddr;
2609 if (dev->devtype->product == CODA_DX6) {
2610 for (i = 0; i < (CODA_ISRAM_SIZE / 2); i++) {
2611 data = CODA_DOWN_ADDRESS_SET(i) |
2612 CODA_DOWN_DATA_SET(p[i ^ 1]);
2613 coda_write(dev, data, CODA_REG_BIT_CODE_DOWN);
2614 }
2615 } else {
2616 for (i = 0; i < (CODA_ISRAM_SIZE / 2); i++) {
2617 data = CODA_DOWN_ADDRESS_SET(i) |
2618 CODA_DOWN_DATA_SET(p[round_down(i, 4) +
2619 3 - (i % 4)]);
2620 coda_write(dev, data, CODA_REG_BIT_CODE_DOWN);
2621 }
2622 }
2623
2624
2625 for (i = 0; i < 64; i++)
2626 coda_write(dev, 0, CODA_REG_BIT_CODE_BUF_ADDR + i * 4);
2627
2628
2629 if (dev->devtype->product == CODA_960 ||
2630 dev->devtype->product == CODA_7541 ||
2631 dev->devtype->product == CODA_HX4) {
2632 coda_write(dev, dev->tempbuf.paddr,
2633 CODA_REG_BIT_TEMP_BUF_ADDR);
2634 coda_write(dev, 0, CODA_REG_BIT_BIT_STREAM_PARAM);
2635 } else {
2636 coda_write(dev, dev->workbuf.paddr,
2637 CODA_REG_BIT_WORK_BUF_ADDR);
2638 }
2639 coda_write(dev, dev->codebuf.paddr,
2640 CODA_REG_BIT_CODE_BUF_ADDR);
2641 coda_write(dev, 0, CODA_REG_BIT_CODE_RUN);
2642
2643
2644 switch (dev->devtype->product) {
2645 case CODA_DX6:
2646 coda_write(dev, CODADX6_STREAM_BUF_PIC_FLUSH,
2647 CODA_REG_BIT_STREAM_CTRL);
2648 break;
2649 default:
2650 coda_write(dev, CODA7_STREAM_BUF_PIC_FLUSH,
2651 CODA_REG_BIT_STREAM_CTRL);
2652 }
2653 if (dev->devtype->product == CODA_960)
2654 coda_write(dev, CODA9_FRAME_ENABLE_BWB,
2655 CODA_REG_BIT_FRAME_MEM_CTRL);
2656 else
2657 coda_write(dev, 0, CODA_REG_BIT_FRAME_MEM_CTRL);
2658
2659 if (dev->devtype->product != CODA_DX6)
2660 coda_write(dev, 0, CODA7_REG_BIT_AXI_SRAM_USE);
2661
2662 coda_write(dev, CODA_INT_INTERRUPT_ENABLE,
2663 CODA_REG_BIT_INT_ENABLE);
2664
2665
2666 data = coda_read(dev, CODA_REG_BIT_CODE_RESET);
2667 data |= CODA_REG_RESET_ENABLE;
2668 coda_write(dev, data, CODA_REG_BIT_CODE_RESET);
2669 udelay(10);
2670 data &= ~CODA_REG_RESET_ENABLE;
2671 coda_write(dev, data, CODA_REG_BIT_CODE_RESET);
2672 coda_write(dev, CODA_REG_RUN_ENABLE, CODA_REG_BIT_CODE_RUN);
2673
2674 clk_disable_unprepare(dev->clk_ahb);
2675 clk_disable_unprepare(dev->clk_per);
2676
2677 return 0;
2678
2679err_clk_ahb:
2680 clk_disable_unprepare(dev->clk_per);
2681err_clk_per:
2682 return ret;
2683}
2684
2685static int coda_register_device(struct coda_dev *dev, int i)
2686{
2687 struct video_device *vfd = &dev->vfd[i];
2688 enum coda_inst_type type;
2689 int ret;
2690
2691 if (i >= dev->devtype->num_vdevs)
2692 return -EINVAL;
2693 type = dev->devtype->vdevs[i]->type;
2694
2695 strscpy(vfd->name, dev->devtype->vdevs[i]->name, sizeof(vfd->name));
2696 vfd->fops = &coda_fops;
2697 vfd->ioctl_ops = &coda_ioctl_ops;
2698 vfd->release = video_device_release_empty,
2699 vfd->lock = &dev->dev_mutex;
2700 vfd->v4l2_dev = &dev->v4l2_dev;
2701 vfd->vfl_dir = VFL_DIR_M2M;
2702 video_set_drvdata(vfd, dev);
2703
2704
2705 v4l2_disable_ioctl(vfd, VIDIOC_CROPCAP);
2706 v4l2_disable_ioctl(vfd, VIDIOC_G_CROP);
2707 v4l2_disable_ioctl(vfd, VIDIOC_S_CROP);
2708
2709 ret = video_register_device(vfd, VFL_TYPE_GRABBER, 0);
2710 if (!ret)
2711 v4l2_info(&dev->v4l2_dev, "%s registered as %s\n",
2712 type == CODA_INST_ENCODER ? "encoder" : "decoder",
2713 video_device_node_name(vfd));
2714 return ret;
2715}
2716
2717static void coda_copy_firmware(struct coda_dev *dev, const u8 * const buf,
2718 size_t size)
2719{
2720 u32 *src = (u32 *)buf;
2721
2722
2723 if (buf[0] == 'M' && buf[1] == 'X')
2724 src += 4;
2725
2726
2727
2728
2729 if (__le16_to_cpup((__le16 *)src) == 0xe40e) {
2730 u32 *dst = dev->codebuf.vaddr;
2731 int i;
2732
2733
2734 if (dev->devtype->product == CODA_DX6) {
2735 for (i = 0; i < (size - 16) / 4; i++)
2736 dst[i] = (src[i] << 16) | (src[i] >> 16);
2737 } else {
2738 for (i = 0; i < (size - 16) / 4; i += 2) {
2739 dst[i] = (src[i + 1] << 16) | (src[i + 1] >> 16);
2740 dst[i + 1] = (src[i] << 16) | (src[i] >> 16);
2741 }
2742 }
2743 } else {
2744
2745 memcpy(dev->codebuf.vaddr, src, size);
2746 }
2747}
2748
2749static void coda_fw_callback(const struct firmware *fw, void *context);
2750
2751static int coda_firmware_request(struct coda_dev *dev)
2752{
2753 char *fw;
2754
2755 if (dev->firmware >= ARRAY_SIZE(dev->devtype->firmware))
2756 return -EINVAL;
2757
2758 fw = dev->devtype->firmware[dev->firmware];
2759
2760 dev_dbg(dev->dev, "requesting firmware '%s' for %s\n", fw,
2761 coda_product_name(dev->devtype->product));
2762
2763 return request_firmware_nowait(THIS_MODULE, true, fw, dev->dev,
2764 GFP_KERNEL, dev, coda_fw_callback);
2765}
2766
2767static void coda_fw_callback(const struct firmware *fw, void *context)
2768{
2769 struct coda_dev *dev = context;
2770 int i, ret;
2771
2772 if (!fw) {
2773 dev->firmware++;
2774 ret = coda_firmware_request(dev);
2775 if (ret < 0) {
2776 v4l2_err(&dev->v4l2_dev, "firmware request failed\n");
2777 goto put_pm;
2778 }
2779 return;
2780 }
2781 if (dev->firmware > 0) {
2782
2783
2784
2785
2786
2787 dev_info(dev->dev, "Using fallback firmware %s\n",
2788 dev->devtype->firmware[dev->firmware]);
2789 }
2790
2791
2792 ret = coda_alloc_aux_buf(dev, &dev->codebuf, fw->size, "codebuf",
2793 dev->debugfs_root);
2794 if (ret < 0)
2795 goto put_pm;
2796
2797 coda_copy_firmware(dev, fw->data, fw->size);
2798 release_firmware(fw);
2799
2800 ret = coda_hw_init(dev);
2801 if (ret < 0) {
2802 v4l2_err(&dev->v4l2_dev, "HW initialization failed\n");
2803 goto put_pm;
2804 }
2805
2806 ret = coda_check_firmware(dev);
2807 if (ret < 0)
2808 goto put_pm;
2809
2810 dev->m2m_dev = v4l2_m2m_init(&coda_m2m_ops);
2811 if (IS_ERR(dev->m2m_dev)) {
2812 v4l2_err(&dev->v4l2_dev, "Failed to init mem2mem device\n");
2813 goto put_pm;
2814 }
2815
2816 for (i = 0; i < dev->devtype->num_vdevs; i++) {
2817 ret = coda_register_device(dev, i);
2818 if (ret) {
2819 v4l2_err(&dev->v4l2_dev,
2820 "Failed to register %s video device: %d\n",
2821 dev->devtype->vdevs[i]->name, ret);
2822 goto rel_vfd;
2823 }
2824 }
2825
2826 pm_runtime_put_sync(dev->dev);
2827 return;
2828
2829rel_vfd:
2830 while (--i >= 0)
2831 video_unregister_device(&dev->vfd[i]);
2832 v4l2_m2m_release(dev->m2m_dev);
2833put_pm:
2834 pm_runtime_put_sync(dev->dev);
2835}
2836
2837enum coda_platform {
2838 CODA_IMX27,
2839 CODA_IMX51,
2840 CODA_IMX53,
2841 CODA_IMX6Q,
2842 CODA_IMX6DL,
2843};
2844
2845static const struct coda_devtype coda_devdata[] = {
2846 [CODA_IMX27] = {
2847 .firmware = {
2848 "vpu_fw_imx27_TO2.bin",
2849 "vpu/vpu_fw_imx27_TO2.bin",
2850 "v4l-codadx6-imx27.bin"
2851 },
2852 .product = CODA_DX6,
2853 .codecs = codadx6_codecs,
2854 .num_codecs = ARRAY_SIZE(codadx6_codecs),
2855 .vdevs = codadx6_video_devices,
2856 .num_vdevs = ARRAY_SIZE(codadx6_video_devices),
2857 .workbuf_size = 288 * 1024 + FMO_SLICE_SAVE_BUF_SIZE * 8 * 1024,
2858 .iram_size = 0xb000,
2859 },
2860 [CODA_IMX51] = {
2861 .firmware = {
2862 "vpu_fw_imx51.bin",
2863 "vpu/vpu_fw_imx51.bin",
2864 "v4l-codahx4-imx51.bin"
2865 },
2866 .product = CODA_HX4,
2867 .codecs = codahx4_codecs,
2868 .num_codecs = ARRAY_SIZE(codahx4_codecs),
2869 .vdevs = codahx4_video_devices,
2870 .num_vdevs = ARRAY_SIZE(codahx4_video_devices),
2871 .workbuf_size = 128 * 1024,
2872 .tempbuf_size = 304 * 1024,
2873 .iram_size = 0x14000,
2874 },
2875 [CODA_IMX53] = {
2876 .firmware = {
2877 "vpu_fw_imx53.bin",
2878 "vpu/vpu_fw_imx53.bin",
2879 "v4l-coda7541-imx53.bin"
2880 },
2881 .product = CODA_7541,
2882 .codecs = coda7_codecs,
2883 .num_codecs = ARRAY_SIZE(coda7_codecs),
2884 .vdevs = coda7_video_devices,
2885 .num_vdevs = ARRAY_SIZE(coda7_video_devices),
2886 .workbuf_size = 128 * 1024,
2887 .tempbuf_size = 304 * 1024,
2888 .iram_size = 0x14000,
2889 },
2890 [CODA_IMX6Q] = {
2891 .firmware = {
2892 "vpu_fw_imx6q.bin",
2893 "vpu/vpu_fw_imx6q.bin",
2894 "v4l-coda960-imx6q.bin"
2895 },
2896 .product = CODA_960,
2897 .codecs = coda9_codecs,
2898 .num_codecs = ARRAY_SIZE(coda9_codecs),
2899 .vdevs = coda9_video_devices,
2900 .num_vdevs = ARRAY_SIZE(coda9_video_devices),
2901 .workbuf_size = 80 * 1024,
2902 .tempbuf_size = 204 * 1024,
2903 .iram_size = 0x21000,
2904 },
2905 [CODA_IMX6DL] = {
2906 .firmware = {
2907 "vpu_fw_imx6d.bin",
2908 "vpu/vpu_fw_imx6d.bin",
2909 "v4l-coda960-imx6dl.bin"
2910 },
2911 .product = CODA_960,
2912 .codecs = coda9_codecs,
2913 .num_codecs = ARRAY_SIZE(coda9_codecs),
2914 .vdevs = coda9_video_devices,
2915 .num_vdevs = ARRAY_SIZE(coda9_video_devices),
2916 .workbuf_size = 80 * 1024,
2917 .tempbuf_size = 204 * 1024,
2918 .iram_size = 0x1f000,
2919 },
2920};
2921
2922static const struct platform_device_id coda_platform_ids[] = {
2923 { .name = "coda-imx27", .driver_data = CODA_IMX27 },
2924 { }
2925};
2926MODULE_DEVICE_TABLE(platform, coda_platform_ids);
2927
2928#ifdef CONFIG_OF
2929static const struct of_device_id coda_dt_ids[] = {
2930 { .compatible = "fsl,imx27-vpu", .data = &coda_devdata[CODA_IMX27] },
2931 { .compatible = "fsl,imx51-vpu", .data = &coda_devdata[CODA_IMX51] },
2932 { .compatible = "fsl,imx53-vpu", .data = &coda_devdata[CODA_IMX53] },
2933 { .compatible = "fsl,imx6q-vpu", .data = &coda_devdata[CODA_IMX6Q] },
2934 { .compatible = "fsl,imx6dl-vpu", .data = &coda_devdata[CODA_IMX6DL] },
2935 { }
2936};
2937MODULE_DEVICE_TABLE(of, coda_dt_ids);
2938#endif
2939
2940static int coda_probe(struct platform_device *pdev)
2941{
2942 const struct of_device_id *of_id =
2943 of_match_device(of_match_ptr(coda_dt_ids), &pdev->dev);
2944 const struct platform_device_id *pdev_id;
2945 struct coda_platform_data *pdata = pdev->dev.platform_data;
2946 struct device_node *np = pdev->dev.of_node;
2947 struct gen_pool *pool;
2948 struct coda_dev *dev;
2949 int ret, irq;
2950
2951 dev = devm_kzalloc(&pdev->dev, sizeof(*dev), GFP_KERNEL);
2952 if (!dev)
2953 return -ENOMEM;
2954
2955 pdev_id = of_id ? of_id->data : platform_get_device_id(pdev);
2956
2957 if (of_id)
2958 dev->devtype = of_id->data;
2959 else if (pdev_id)
2960 dev->devtype = &coda_devdata[pdev_id->driver_data];
2961 else
2962 return -EINVAL;
2963
2964 spin_lock_init(&dev->irqlock);
2965
2966 dev->dev = &pdev->dev;
2967 dev->clk_per = devm_clk_get(&pdev->dev, "per");
2968 if (IS_ERR(dev->clk_per)) {
2969 dev_err(&pdev->dev, "Could not get per clock\n");
2970 return PTR_ERR(dev->clk_per);
2971 }
2972
2973 dev->clk_ahb = devm_clk_get(&pdev->dev, "ahb");
2974 if (IS_ERR(dev->clk_ahb)) {
2975 dev_err(&pdev->dev, "Could not get ahb clock\n");
2976 return PTR_ERR(dev->clk_ahb);
2977 }
2978
2979
2980 dev->regs_base = devm_platform_ioremap_resource(pdev, 0);
2981 if (IS_ERR(dev->regs_base))
2982 return PTR_ERR(dev->regs_base);
2983
2984
2985 irq = platform_get_irq_byname(pdev, "bit");
2986 if (irq < 0)
2987 irq = platform_get_irq(pdev, 0);
2988 if (irq < 0) {
2989 dev_err(&pdev->dev, "failed to get irq resource\n");
2990 return irq;
2991 }
2992
2993 ret = devm_request_irq(&pdev->dev, irq, coda_irq_handler, 0,
2994 dev_name(&pdev->dev), dev);
2995 if (ret < 0) {
2996 dev_err(&pdev->dev, "failed to request irq: %d\n", ret);
2997 return ret;
2998 }
2999
3000 dev->rstc = devm_reset_control_get_optional_exclusive(&pdev->dev,
3001 NULL);
3002 if (IS_ERR(dev->rstc)) {
3003 ret = PTR_ERR(dev->rstc);
3004 dev_err(&pdev->dev, "failed get reset control: %d\n", ret);
3005 return ret;
3006 }
3007
3008
3009 pool = of_gen_pool_get(np, "iram", 0);
3010 if (!pool && pdata)
3011 pool = gen_pool_get(pdata->iram_dev, NULL);
3012 if (!pool) {
3013 dev_err(&pdev->dev, "iram pool not available\n");
3014 return -ENOMEM;
3015 }
3016 dev->iram_pool = pool;
3017
3018
3019 dev->vdoa = coda_get_vdoa_data();
3020 if (PTR_ERR(dev->vdoa) == -EPROBE_DEFER)
3021 return -EPROBE_DEFER;
3022
3023 ret = v4l2_device_register(&pdev->dev, &dev->v4l2_dev);
3024 if (ret)
3025 return ret;
3026
3027 mutex_init(&dev->dev_mutex);
3028 mutex_init(&dev->coda_mutex);
3029 ida_init(&dev->ida);
3030
3031 dev->debugfs_root = debugfs_create_dir("coda", NULL);
3032 if (!dev->debugfs_root)
3033 dev_warn(&pdev->dev, "failed to create debugfs root\n");
3034
3035
3036 if (dev->devtype->product == CODA_DX6) {
3037 ret = coda_alloc_aux_buf(dev, &dev->workbuf,
3038 dev->devtype->workbuf_size, "workbuf",
3039 dev->debugfs_root);
3040 if (ret < 0)
3041 goto err_v4l2_register;
3042 }
3043
3044 if (dev->devtype->tempbuf_size) {
3045 ret = coda_alloc_aux_buf(dev, &dev->tempbuf,
3046 dev->devtype->tempbuf_size, "tempbuf",
3047 dev->debugfs_root);
3048 if (ret < 0)
3049 goto err_v4l2_register;
3050 }
3051
3052 dev->iram.size = dev->devtype->iram_size;
3053 dev->iram.vaddr = gen_pool_dma_alloc(dev->iram_pool, dev->iram.size,
3054 &dev->iram.paddr);
3055 if (!dev->iram.vaddr) {
3056 dev_warn(&pdev->dev, "unable to alloc iram\n");
3057 } else {
3058 memset(dev->iram.vaddr, 0, dev->iram.size);
3059 dev->iram.blob.data = dev->iram.vaddr;
3060 dev->iram.blob.size = dev->iram.size;
3061 dev->iram.dentry = debugfs_create_blob("iram", 0644,
3062 dev->debugfs_root,
3063 &dev->iram.blob);
3064 }
3065
3066 dev->workqueue = alloc_workqueue("coda", WQ_UNBOUND | WQ_MEM_RECLAIM, 1);
3067 if (!dev->workqueue) {
3068 dev_err(&pdev->dev, "unable to alloc workqueue\n");
3069 ret = -ENOMEM;
3070 goto err_v4l2_register;
3071 }
3072
3073 platform_set_drvdata(pdev, dev);
3074
3075
3076
3077
3078
3079
3080 pm_runtime_get_noresume(&pdev->dev);
3081 pm_runtime_set_active(&pdev->dev);
3082 pm_runtime_enable(&pdev->dev);
3083
3084 ret = coda_firmware_request(dev);
3085 if (ret)
3086 goto err_alloc_workqueue;
3087 return 0;
3088
3089err_alloc_workqueue:
3090 destroy_workqueue(dev->workqueue);
3091err_v4l2_register:
3092 v4l2_device_unregister(&dev->v4l2_dev);
3093 return ret;
3094}
3095
3096static int coda_remove(struct platform_device *pdev)
3097{
3098 struct coda_dev *dev = platform_get_drvdata(pdev);
3099 int i;
3100
3101 for (i = 0; i < ARRAY_SIZE(dev->vfd); i++) {
3102 if (video_get_drvdata(&dev->vfd[i]))
3103 video_unregister_device(&dev->vfd[i]);
3104 }
3105 if (dev->m2m_dev)
3106 v4l2_m2m_release(dev->m2m_dev);
3107 pm_runtime_disable(&pdev->dev);
3108 v4l2_device_unregister(&dev->v4l2_dev);
3109 destroy_workqueue(dev->workqueue);
3110 if (dev->iram.vaddr)
3111 gen_pool_free(dev->iram_pool, (unsigned long)dev->iram.vaddr,
3112 dev->iram.size);
3113 coda_free_aux_buf(dev, &dev->codebuf);
3114 coda_free_aux_buf(dev, &dev->tempbuf);
3115 coda_free_aux_buf(dev, &dev->workbuf);
3116 debugfs_remove_recursive(dev->debugfs_root);
3117 ida_destroy(&dev->ida);
3118 return 0;
3119}
3120
3121#ifdef CONFIG_PM
3122static int coda_runtime_resume(struct device *dev)
3123{
3124 struct coda_dev *cdev = dev_get_drvdata(dev);
3125 int ret = 0;
3126
3127 if (dev->pm_domain && cdev->codebuf.vaddr) {
3128 ret = coda_hw_init(cdev);
3129 if (ret)
3130 v4l2_err(&cdev->v4l2_dev, "HW initialization failed\n");
3131 }
3132
3133 return ret;
3134}
3135#endif
3136
3137static const struct dev_pm_ops coda_pm_ops = {
3138 SET_RUNTIME_PM_OPS(NULL, coda_runtime_resume, NULL)
3139};
3140
3141static struct platform_driver coda_driver = {
3142 .probe = coda_probe,
3143 .remove = coda_remove,
3144 .driver = {
3145 .name = CODA_NAME,
3146 .of_match_table = of_match_ptr(coda_dt_ids),
3147 .pm = &coda_pm_ops,
3148 },
3149 .id_table = coda_platform_ids,
3150};
3151
3152module_platform_driver(coda_driver);
3153
3154MODULE_LICENSE("GPL");
3155MODULE_AUTHOR("Javier Martin <javier.martin@vista-silicon.com>");
3156MODULE_DESCRIPTION("Coda multi-standard codec V4L2 driver");
3157
