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14#include <linux/clk.h>
15#include <linux/debugfs.h>
16#include <linux/delay.h>
17#include <linux/firmware.h>
18#include <linux/gcd.h>
19#include <linux/genalloc.h>
20#include <linux/interrupt.h>
21#include <linux/io.h>
22#include <linux/irq.h>
23#include <linux/kfifo.h>
24#include <linux/module.h>
25#include <linux/of_device.h>
26#include <linux/platform_device.h>
27#include <linux/pm_runtime.h>
28#include <linux/slab.h>
29#include <linux/videodev2.h>
30#include <linux/of.h>
31#include <linux/platform_data/media/coda.h>
32#include <linux/reset.h>
33
34#include <media/v4l2-ctrls.h>
35#include <media/v4l2-device.h>
36#include <media/v4l2-event.h>
37#include <media/v4l2-ioctl.h>
38#include <media/v4l2-mem2mem.h>
39#include <media/videobuf2-v4l2.h>
40#include <media/videobuf2-dma-contig.h>
41#include <media/videobuf2-vmalloc.h>
42
43#include "coda.h"
44#include "imx-vdoa.h"
45
46#define CODA_NAME "coda"
47
48#define CODADX6_MAX_INSTANCES 4
49#define CODA_MAX_FORMATS 4
50
51#define CODA_ISRAM_SIZE (2048 * 2)
52
53#define MIN_W 176
54#define MIN_H 144
55
56#define S_ALIGN 1
57#define W_ALIGN 1
58#define H_ALIGN 1
59
60#define fh_to_ctx(__fh) container_of(__fh, struct coda_ctx, fh)
61
62int coda_debug;
63module_param(coda_debug, int, 0644);
64MODULE_PARM_DESC(coda_debug, "Debug level (0-2)");
65
66static int disable_tiling;
67module_param(disable_tiling, int, 0644);
68MODULE_PARM_DESC(disable_tiling, "Disable tiled frame buffers");
69
70static int disable_vdoa;
71module_param(disable_vdoa, int, 0644);
72MODULE_PARM_DESC(disable_vdoa, "Disable Video Data Order Adapter tiled to raster-scan conversion");
73
74static int enable_bwb = 0;
75module_param(enable_bwb, int, 0644);
76MODULE_PARM_DESC(enable_bwb, "Enable BWB unit for decoding, may crash on certain streams");
77
78void coda_write(struct coda_dev *dev, u32 data, u32 reg)
79{
80 v4l2_dbg(2, coda_debug, &dev->v4l2_dev,
81 "%s: data=0x%x, reg=0x%x\n", __func__, data, reg);
82 writel(data, dev->regs_base + reg);
83}
84
85unsigned int coda_read(struct coda_dev *dev, u32 reg)
86{
87 u32 data;
88
89 data = readl(dev->regs_base + reg);
90 v4l2_dbg(2, coda_debug, &dev->v4l2_dev,
91 "%s: data=0x%x, reg=0x%x\n", __func__, data, reg);
92 return data;
93}
94
95void coda_write_base(struct coda_ctx *ctx, struct coda_q_data *q_data,
96 struct vb2_v4l2_buffer *buf, unsigned int reg_y)
97{
98 u32 base_y = vb2_dma_contig_plane_dma_addr(&buf->vb2_buf, 0);
99 u32 base_cb, base_cr;
100
101 switch (q_data->fourcc) {
102 case V4L2_PIX_FMT_YUYV:
103
104 case V4L2_PIX_FMT_NV12:
105 case V4L2_PIX_FMT_YUV420:
106 default:
107 base_cb = base_y + q_data->bytesperline * q_data->height;
108 base_cr = base_cb + q_data->bytesperline * q_data->height / 4;
109 break;
110 case V4L2_PIX_FMT_YVU420:
111
112 base_cr = base_y + q_data->bytesperline * q_data->height;
113 base_cb = base_cr + q_data->bytesperline * q_data->height / 4;
114 break;
115 case V4L2_PIX_FMT_YUV422P:
116 base_cb = base_y + q_data->bytesperline * q_data->height;
117 base_cr = base_cb + q_data->bytesperline * q_data->height / 2;
118 }
119
120 coda_write(ctx->dev, base_y, reg_y);
121 coda_write(ctx->dev, base_cb, reg_y + 4);
122 coda_write(ctx->dev, base_cr, reg_y + 8);
123}
124
125#define CODA_CODEC(mode, src_fourcc, dst_fourcc, max_w, max_h) \
126 { mode, src_fourcc, dst_fourcc, max_w, max_h }
127
128
129
130
131
132
133
134
135static const struct coda_codec codadx6_codecs[] = {
136 CODA_CODEC(CODADX6_MODE_ENCODE_H264, V4L2_PIX_FMT_YUV420, V4L2_PIX_FMT_H264, 720, 576),
137 CODA_CODEC(CODADX6_MODE_ENCODE_MP4, V4L2_PIX_FMT_YUV420, V4L2_PIX_FMT_MPEG4, 720, 576),
138};
139
140static const struct coda_codec coda7_codecs[] = {
141 CODA_CODEC(CODA7_MODE_ENCODE_H264, V4L2_PIX_FMT_YUV420, V4L2_PIX_FMT_H264, 1280, 720),
142 CODA_CODEC(CODA7_MODE_ENCODE_MP4, V4L2_PIX_FMT_YUV420, V4L2_PIX_FMT_MPEG4, 1280, 720),
143 CODA_CODEC(CODA7_MODE_ENCODE_MJPG, V4L2_PIX_FMT_YUV420, V4L2_PIX_FMT_JPEG, 8192, 8192),
144 CODA_CODEC(CODA7_MODE_DECODE_H264, V4L2_PIX_FMT_H264, V4L2_PIX_FMT_YUV420, 1920, 1088),
145 CODA_CODEC(CODA7_MODE_DECODE_MP2, V4L2_PIX_FMT_MPEG2, V4L2_PIX_FMT_YUV420, 1920, 1088),
146 CODA_CODEC(CODA7_MODE_DECODE_MP4, V4L2_PIX_FMT_MPEG4, V4L2_PIX_FMT_YUV420, 1920, 1088),
147 CODA_CODEC(CODA7_MODE_DECODE_MJPG, V4L2_PIX_FMT_JPEG, V4L2_PIX_FMT_YUV420, 8192, 8192),
148};
149
150static const struct coda_codec coda9_codecs[] = {
151 CODA_CODEC(CODA9_MODE_ENCODE_H264, V4L2_PIX_FMT_YUV420, V4L2_PIX_FMT_H264, 1920, 1088),
152 CODA_CODEC(CODA9_MODE_ENCODE_MP4, V4L2_PIX_FMT_YUV420, V4L2_PIX_FMT_MPEG4, 1920, 1088),
153 CODA_CODEC(CODA9_MODE_DECODE_H264, V4L2_PIX_FMT_H264, V4L2_PIX_FMT_YUV420, 1920, 1088),
154 CODA_CODEC(CODA9_MODE_DECODE_MP2, V4L2_PIX_FMT_MPEG2, V4L2_PIX_FMT_YUV420, 1920, 1088),
155 CODA_CODEC(CODA9_MODE_DECODE_MP4, V4L2_PIX_FMT_MPEG4, V4L2_PIX_FMT_YUV420, 1920, 1088),
156};
157
158struct coda_video_device {
159 const char *name;
160 enum coda_inst_type type;
161 const struct coda_context_ops *ops;
162 bool direct;
163 u32 src_formats[CODA_MAX_FORMATS];
164 u32 dst_formats[CODA_MAX_FORMATS];
165};
166
167static const struct coda_video_device coda_bit_encoder = {
168 .name = "coda-encoder",
169 .type = CODA_INST_ENCODER,
170 .ops = &coda_bit_encode_ops,
171 .src_formats = {
172 V4L2_PIX_FMT_NV12,
173 V4L2_PIX_FMT_YUV420,
174 V4L2_PIX_FMT_YVU420,
175 },
176 .dst_formats = {
177 V4L2_PIX_FMT_H264,
178 V4L2_PIX_FMT_MPEG4,
179 },
180};
181
182static const struct coda_video_device coda_bit_jpeg_encoder = {
183 .name = "coda-jpeg-encoder",
184 .type = CODA_INST_ENCODER,
185 .ops = &coda_bit_encode_ops,
186 .src_formats = {
187 V4L2_PIX_FMT_NV12,
188 V4L2_PIX_FMT_YUV420,
189 V4L2_PIX_FMT_YVU420,
190 V4L2_PIX_FMT_YUV422P,
191 },
192 .dst_formats = {
193 V4L2_PIX_FMT_JPEG,
194 },
195};
196
197static const struct coda_video_device coda_bit_decoder = {
198 .name = "coda-decoder",
199 .type = CODA_INST_DECODER,
200 .ops = &coda_bit_decode_ops,
201 .src_formats = {
202 V4L2_PIX_FMT_H264,
203 V4L2_PIX_FMT_MPEG2,
204 V4L2_PIX_FMT_MPEG4,
205 },
206 .dst_formats = {
207 V4L2_PIX_FMT_NV12,
208 V4L2_PIX_FMT_YUV420,
209 V4L2_PIX_FMT_YVU420,
210
211
212
213
214 V4L2_PIX_FMT_YUYV,
215 },
216};
217
218static const struct coda_video_device coda_bit_jpeg_decoder = {
219 .name = "coda-jpeg-decoder",
220 .type = CODA_INST_DECODER,
221 .ops = &coda_bit_decode_ops,
222 .src_formats = {
223 V4L2_PIX_FMT_JPEG,
224 },
225 .dst_formats = {
226 V4L2_PIX_FMT_NV12,
227 V4L2_PIX_FMT_YUV420,
228 V4L2_PIX_FMT_YVU420,
229 V4L2_PIX_FMT_YUV422P,
230 },
231};
232
233static const struct coda_video_device *codadx6_video_devices[] = {
234 &coda_bit_encoder,
235};
236
237static const struct coda_video_device *coda7_video_devices[] = {
238 &coda_bit_jpeg_encoder,
239 &coda_bit_jpeg_decoder,
240 &coda_bit_encoder,
241 &coda_bit_decoder,
242};
243
244static const struct coda_video_device *coda9_video_devices[] = {
245 &coda_bit_encoder,
246 &coda_bit_decoder,
247};
248
249
250
251
252
253static u32 coda_format_normalize_yuv(u32 fourcc)
254{
255 switch (fourcc) {
256 case V4L2_PIX_FMT_NV12:
257 case V4L2_PIX_FMT_YUV420:
258 case V4L2_PIX_FMT_YVU420:
259 case V4L2_PIX_FMT_YUV422P:
260 case V4L2_PIX_FMT_YUYV:
261 return V4L2_PIX_FMT_YUV420;
262 default:
263 return fourcc;
264 }
265}
266
267static const struct coda_codec *coda_find_codec(struct coda_dev *dev,
268 int src_fourcc, int dst_fourcc)
269{
270 const struct coda_codec *codecs = dev->devtype->codecs;
271 int num_codecs = dev->devtype->num_codecs;
272 int k;
273
274 src_fourcc = coda_format_normalize_yuv(src_fourcc);
275 dst_fourcc = coda_format_normalize_yuv(dst_fourcc);
276 if (src_fourcc == dst_fourcc)
277 return NULL;
278
279 for (k = 0; k < num_codecs; k++) {
280 if (codecs[k].src_fourcc == src_fourcc &&
281 codecs[k].dst_fourcc == dst_fourcc)
282 break;
283 }
284
285 if (k == num_codecs)
286 return NULL;
287
288 return &codecs[k];
289}
290
291static void coda_get_max_dimensions(struct coda_dev *dev,
292 const struct coda_codec *codec,
293 int *max_w, int *max_h)
294{
295 const struct coda_codec *codecs = dev->devtype->codecs;
296 int num_codecs = dev->devtype->num_codecs;
297 unsigned int w, h;
298 int k;
299
300 if (codec) {
301 w = codec->max_w;
302 h = codec->max_h;
303 } else {
304 for (k = 0, w = 0, h = 0; k < num_codecs; k++) {
305 w = max(w, codecs[k].max_w);
306 h = max(h, codecs[k].max_h);
307 }
308 }
309
310 if (max_w)
311 *max_w = w;
312 if (max_h)
313 *max_h = h;
314}
315
316static const struct coda_video_device *to_coda_video_device(struct video_device
317 *vdev)
318{
319 struct coda_dev *dev = video_get_drvdata(vdev);
320 unsigned int i = vdev - dev->vfd;
321
322 if (i >= dev->devtype->num_vdevs)
323 return NULL;
324
325 return dev->devtype->vdevs[i];
326}
327
328const char *coda_product_name(int product)
329{
330 static char buf[9];
331
332 switch (product) {
333 case CODA_DX6:
334 return "CodaDx6";
335 case CODA_7541:
336 return "CODA7541";
337 case CODA_960:
338 return "CODA960";
339 default:
340 snprintf(buf, sizeof(buf), "(0x%04x)", product);
341 return buf;
342 }
343}
344
345static struct vdoa_data *coda_get_vdoa_data(void)
346{
347 struct device_node *vdoa_node;
348 struct platform_device *vdoa_pdev;
349 struct vdoa_data *vdoa_data = NULL;
350
351 vdoa_node = of_find_compatible_node(NULL, NULL, "fsl,imx6q-vdoa");
352 if (!vdoa_node)
353 return NULL;
354
355 vdoa_pdev = of_find_device_by_node(vdoa_node);
356 if (!vdoa_pdev)
357 goto out;
358
359 vdoa_data = platform_get_drvdata(vdoa_pdev);
360 if (!vdoa_data)
361 vdoa_data = ERR_PTR(-EPROBE_DEFER);
362
363out:
364 if (vdoa_node)
365 of_node_put(vdoa_node);
366
367 return vdoa_data;
368}
369
370
371
372
373static int coda_querycap(struct file *file, void *priv,
374 struct v4l2_capability *cap)
375{
376 struct coda_ctx *ctx = fh_to_ctx(priv);
377
378 strlcpy(cap->driver, CODA_NAME, sizeof(cap->driver));
379 strlcpy(cap->card, coda_product_name(ctx->dev->devtype->product),
380 sizeof(cap->card));
381 strlcpy(cap->bus_info, "platform:" CODA_NAME, sizeof(cap->bus_info));
382 cap->device_caps = V4L2_CAP_VIDEO_M2M | V4L2_CAP_STREAMING;
383 cap->capabilities = cap->device_caps | V4L2_CAP_DEVICE_CAPS;
384
385 return 0;
386}
387
388static int coda_enum_fmt(struct file *file, void *priv,
389 struct v4l2_fmtdesc *f)
390{
391 struct video_device *vdev = video_devdata(file);
392 const struct coda_video_device *cvd = to_coda_video_device(vdev);
393 struct coda_ctx *ctx = fh_to_ctx(priv);
394 const u32 *formats;
395
396 if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT)
397 formats = cvd->src_formats;
398 else if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE)
399 formats = cvd->dst_formats;
400 else
401 return -EINVAL;
402
403 if (f->index >= CODA_MAX_FORMATS || formats[f->index] == 0)
404 return -EINVAL;
405
406
407 if (!ctx->vdoa && f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE &&
408 formats[f->index] == V4L2_PIX_FMT_YUYV)
409 return -EINVAL;
410
411 f->pixelformat = formats[f->index];
412
413 return 0;
414}
415
416static int coda_g_fmt(struct file *file, void *priv,
417 struct v4l2_format *f)
418{
419 struct coda_q_data *q_data;
420 struct coda_ctx *ctx = fh_to_ctx(priv);
421
422 q_data = get_q_data(ctx, f->type);
423 if (!q_data)
424 return -EINVAL;
425
426 f->fmt.pix.field = V4L2_FIELD_NONE;
427 f->fmt.pix.pixelformat = q_data->fourcc;
428 f->fmt.pix.width = q_data->width;
429 f->fmt.pix.height = q_data->height;
430 f->fmt.pix.bytesperline = q_data->bytesperline;
431
432 f->fmt.pix.sizeimage = q_data->sizeimage;
433 f->fmt.pix.colorspace = ctx->colorspace;
434 f->fmt.pix.xfer_func = ctx->xfer_func;
435 f->fmt.pix.ycbcr_enc = ctx->ycbcr_enc;
436 f->fmt.pix.quantization = ctx->quantization;
437
438 return 0;
439}
440
441static int coda_try_pixelformat(struct coda_ctx *ctx, struct v4l2_format *f)
442{
443 struct coda_q_data *q_data;
444 const u32 *formats;
445 int i;
446
447 if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT)
448 formats = ctx->cvd->src_formats;
449 else if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE)
450 formats = ctx->cvd->dst_formats;
451 else
452 return -EINVAL;
453
454 for (i = 0; i < CODA_MAX_FORMATS; i++) {
455
456 if (!ctx->vdoa && f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE &&
457 formats[i] == V4L2_PIX_FMT_YUYV)
458 continue;
459
460 if (formats[i] == f->fmt.pix.pixelformat) {
461 f->fmt.pix.pixelformat = formats[i];
462 return 0;
463 }
464 }
465
466
467 q_data = get_q_data(ctx, f->type);
468 f->fmt.pix.pixelformat = q_data->fourcc;
469
470 return 0;
471}
472
473static int coda_try_fmt_vdoa(struct coda_ctx *ctx, struct v4l2_format *f,
474 bool *use_vdoa)
475{
476 int err;
477
478 if (f->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
479 return -EINVAL;
480
481 if (!use_vdoa)
482 return -EINVAL;
483
484 if (!ctx->vdoa) {
485 *use_vdoa = false;
486 return 0;
487 }
488
489 err = vdoa_context_configure(NULL, f->fmt.pix.width, f->fmt.pix.height,
490 f->fmt.pix.pixelformat);
491 if (err) {
492 *use_vdoa = false;
493 return 0;
494 }
495
496 *use_vdoa = true;
497 return 0;
498}
499
500static unsigned int coda_estimate_sizeimage(struct coda_ctx *ctx, u32 sizeimage,
501 u32 width, u32 height)
502{
503
504
505
506
507
508 return round_up(clamp(sizeimage, width * height / 8,
509 width * height * 2), PAGE_SIZE);
510}
511
512static int coda_try_fmt(struct coda_ctx *ctx, const struct coda_codec *codec,
513 struct v4l2_format *f)
514{
515 struct coda_dev *dev = ctx->dev;
516 unsigned int max_w, max_h;
517 enum v4l2_field field;
518
519 field = f->fmt.pix.field;
520 if (field == V4L2_FIELD_ANY)
521 field = V4L2_FIELD_NONE;
522 else if (V4L2_FIELD_NONE != field)
523 return -EINVAL;
524
525
526
527 f->fmt.pix.field = field;
528
529 coda_get_max_dimensions(dev, codec, &max_w, &max_h);
530 v4l_bound_align_image(&f->fmt.pix.width, MIN_W, max_w, W_ALIGN,
531 &f->fmt.pix.height, MIN_H, max_h, H_ALIGN,
532 S_ALIGN);
533
534 switch (f->fmt.pix.pixelformat) {
535 case V4L2_PIX_FMT_NV12:
536 case V4L2_PIX_FMT_YUV420:
537 case V4L2_PIX_FMT_YVU420:
538
539
540
541
542 f->fmt.pix.bytesperline = round_up(f->fmt.pix.width, 16);
543 f->fmt.pix.sizeimage = f->fmt.pix.bytesperline *
544 f->fmt.pix.height * 3 / 2;
545 break;
546 case V4L2_PIX_FMT_YUYV:
547 f->fmt.pix.bytesperline = round_up(f->fmt.pix.width, 16) * 2;
548 f->fmt.pix.sizeimage = f->fmt.pix.bytesperline *
549 f->fmt.pix.height;
550 break;
551 case V4L2_PIX_FMT_YUV422P:
552 f->fmt.pix.bytesperline = round_up(f->fmt.pix.width, 16);
553 f->fmt.pix.sizeimage = f->fmt.pix.bytesperline *
554 f->fmt.pix.height * 2;
555 break;
556 case V4L2_PIX_FMT_JPEG:
557 f->fmt.pix.colorspace = V4L2_COLORSPACE_JPEG;
558
559 case V4L2_PIX_FMT_H264:
560 case V4L2_PIX_FMT_MPEG4:
561 case V4L2_PIX_FMT_MPEG2:
562 f->fmt.pix.bytesperline = 0;
563 f->fmt.pix.sizeimage = coda_estimate_sizeimage(ctx,
564 f->fmt.pix.sizeimage,
565 f->fmt.pix.width,
566 f->fmt.pix.height);
567 break;
568 default:
569 BUG();
570 }
571
572 return 0;
573}
574
575static int coda_try_fmt_vid_cap(struct file *file, void *priv,
576 struct v4l2_format *f)
577{
578 struct coda_ctx *ctx = fh_to_ctx(priv);
579 const struct coda_q_data *q_data_src;
580 const struct coda_codec *codec;
581 struct vb2_queue *src_vq;
582 int ret;
583 bool use_vdoa;
584
585 ret = coda_try_pixelformat(ctx, f);
586 if (ret < 0)
587 return ret;
588
589 q_data_src = get_q_data(ctx, V4L2_BUF_TYPE_VIDEO_OUTPUT);
590
591
592
593
594
595 src_vq = v4l2_m2m_get_vq(ctx->fh.m2m_ctx, V4L2_BUF_TYPE_VIDEO_OUTPUT);
596 if (vb2_is_streaming(src_vq)) {
597 f->fmt.pix.width = q_data_src->width;
598 f->fmt.pix.height = q_data_src->height;
599 }
600
601 f->fmt.pix.colorspace = ctx->colorspace;
602 f->fmt.pix.xfer_func = ctx->xfer_func;
603 f->fmt.pix.ycbcr_enc = ctx->ycbcr_enc;
604 f->fmt.pix.quantization = ctx->quantization;
605
606 q_data_src = get_q_data(ctx, V4L2_BUF_TYPE_VIDEO_OUTPUT);
607 codec = coda_find_codec(ctx->dev, q_data_src->fourcc,
608 f->fmt.pix.pixelformat);
609 if (!codec)
610 return -EINVAL;
611
612 ret = coda_try_fmt(ctx, codec, f);
613 if (ret < 0)
614 return ret;
615
616
617 if (codec && codec->src_fourcc == V4L2_PIX_FMT_H264) {
618 f->fmt.pix.height = round_up(f->fmt.pix.height, 16);
619 f->fmt.pix.bytesperline = round_up(f->fmt.pix.width, 16);
620 f->fmt.pix.sizeimage = f->fmt.pix.bytesperline *
621 f->fmt.pix.height * 3 / 2;
622
623 ret = coda_try_fmt_vdoa(ctx, f, &use_vdoa);
624 if (ret < 0)
625 return ret;
626
627 if (f->fmt.pix.pixelformat == V4L2_PIX_FMT_YUYV) {
628 if (!use_vdoa)
629 return -EINVAL;
630
631 f->fmt.pix.bytesperline = round_up(f->fmt.pix.width, 16) * 2;
632 f->fmt.pix.sizeimage = f->fmt.pix.bytesperline *
633 f->fmt.pix.height;
634 }
635 }
636
637 return 0;
638}
639
640static void coda_set_default_colorspace(struct v4l2_pix_format *fmt)
641{
642 enum v4l2_colorspace colorspace;
643
644 if (fmt->pixelformat == V4L2_PIX_FMT_JPEG)
645 colorspace = V4L2_COLORSPACE_JPEG;
646 else if (fmt->width <= 720 && fmt->height <= 576)
647 colorspace = V4L2_COLORSPACE_SMPTE170M;
648 else
649 colorspace = V4L2_COLORSPACE_REC709;
650
651 fmt->colorspace = colorspace;
652 fmt->xfer_func = V4L2_XFER_FUNC_DEFAULT;
653 fmt->ycbcr_enc = V4L2_YCBCR_ENC_DEFAULT;
654 fmt->quantization = V4L2_QUANTIZATION_DEFAULT;
655}
656
657static int coda_try_fmt_vid_out(struct file *file, void *priv,
658 struct v4l2_format *f)
659{
660 struct coda_ctx *ctx = fh_to_ctx(priv);
661 struct coda_dev *dev = ctx->dev;
662 const struct coda_q_data *q_data_dst;
663 const struct coda_codec *codec;
664 int ret;
665
666 ret = coda_try_pixelformat(ctx, f);
667 if (ret < 0)
668 return ret;
669
670 if (f->fmt.pix.colorspace == V4L2_COLORSPACE_DEFAULT)
671 coda_set_default_colorspace(&f->fmt.pix);
672
673 q_data_dst = get_q_data(ctx, V4L2_BUF_TYPE_VIDEO_CAPTURE);
674 codec = coda_find_codec(dev, f->fmt.pix.pixelformat, q_data_dst->fourcc);
675
676 return coda_try_fmt(ctx, codec, f);
677}
678
679static int coda_s_fmt(struct coda_ctx *ctx, struct v4l2_format *f,
680 struct v4l2_rect *r)
681{
682 struct coda_q_data *q_data;
683 struct vb2_queue *vq;
684
685 vq = v4l2_m2m_get_vq(ctx->fh.m2m_ctx, f->type);
686 if (!vq)
687 return -EINVAL;
688
689 q_data = get_q_data(ctx, f->type);
690 if (!q_data)
691 return -EINVAL;
692
693 if (vb2_is_busy(vq)) {
694 v4l2_err(&ctx->dev->v4l2_dev, "%s queue busy\n", __func__);
695 return -EBUSY;
696 }
697
698 q_data->fourcc = f->fmt.pix.pixelformat;
699 q_data->width = f->fmt.pix.width;
700 q_data->height = f->fmt.pix.height;
701 q_data->bytesperline = f->fmt.pix.bytesperline;
702 q_data->sizeimage = f->fmt.pix.sizeimage;
703 if (r) {
704 q_data->rect = *r;
705 } else {
706 q_data->rect.left = 0;
707 q_data->rect.top = 0;
708 q_data->rect.width = f->fmt.pix.width;
709 q_data->rect.height = f->fmt.pix.height;
710 }
711
712 switch (f->fmt.pix.pixelformat) {
713 case V4L2_PIX_FMT_YUYV:
714 ctx->tiled_map_type = GDI_TILED_FRAME_MB_RASTER_MAP;
715 break;
716 case V4L2_PIX_FMT_NV12:
717 if (!disable_tiling) {
718 ctx->tiled_map_type = GDI_TILED_FRAME_MB_RASTER_MAP;
719 break;
720 }
721
722 case V4L2_PIX_FMT_YUV420:
723 case V4L2_PIX_FMT_YVU420:
724 ctx->tiled_map_type = GDI_LINEAR_FRAME_MAP;
725 break;
726 default:
727 break;
728 }
729
730 if (ctx->tiled_map_type == GDI_TILED_FRAME_MB_RASTER_MAP &&
731 !coda_try_fmt_vdoa(ctx, f, &ctx->use_vdoa) &&
732 ctx->use_vdoa)
733 vdoa_context_configure(ctx->vdoa, f->fmt.pix.width,
734 f->fmt.pix.height,
735 f->fmt.pix.pixelformat);
736 else
737 ctx->use_vdoa = false;
738
739 v4l2_dbg(1, coda_debug, &ctx->dev->v4l2_dev,
740 "Setting format for type %d, wxh: %dx%d, fmt: %4.4s %c\n",
741 f->type, q_data->width, q_data->height,
742 (char *)&q_data->fourcc,
743 (ctx->tiled_map_type == GDI_LINEAR_FRAME_MAP) ? 'L' : 'T');
744
745 return 0;
746}
747
748static int coda_s_fmt_vid_cap(struct file *file, void *priv,
749 struct v4l2_format *f)
750{
751 struct coda_ctx *ctx = fh_to_ctx(priv);
752 struct coda_q_data *q_data_src;
753 struct v4l2_rect r;
754 int ret;
755
756 ret = coda_try_fmt_vid_cap(file, priv, f);
757 if (ret)
758 return ret;
759
760 q_data_src = get_q_data(ctx, V4L2_BUF_TYPE_VIDEO_OUTPUT);
761 r.left = 0;
762 r.top = 0;
763 r.width = q_data_src->width;
764 r.height = q_data_src->height;
765
766 return coda_s_fmt(ctx, f, &r);
767}
768
769static int coda_s_fmt_vid_out(struct file *file, void *priv,
770 struct v4l2_format *f)
771{
772 struct coda_ctx *ctx = fh_to_ctx(priv);
773 struct coda_q_data *q_data_src;
774 struct v4l2_format f_cap;
775 struct v4l2_rect r;
776 int ret;
777
778 ret = coda_try_fmt_vid_out(file, priv, f);
779 if (ret)
780 return ret;
781
782 ret = coda_s_fmt(ctx, f, NULL);
783 if (ret)
784 return ret;
785
786 ctx->colorspace = f->fmt.pix.colorspace;
787 ctx->xfer_func = f->fmt.pix.xfer_func;
788 ctx->ycbcr_enc = f->fmt.pix.ycbcr_enc;
789 ctx->quantization = f->fmt.pix.quantization;
790
791 memset(&f_cap, 0, sizeof(f_cap));
792 f_cap.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
793 coda_g_fmt(file, priv, &f_cap);
794 f_cap.fmt.pix.width = f->fmt.pix.width;
795 f_cap.fmt.pix.height = f->fmt.pix.height;
796
797 ret = coda_try_fmt_vid_cap(file, priv, &f_cap);
798 if (ret)
799 return ret;
800
801 q_data_src = get_q_data(ctx, V4L2_BUF_TYPE_VIDEO_OUTPUT);
802 r.left = 0;
803 r.top = 0;
804 r.width = q_data_src->width;
805 r.height = q_data_src->height;
806
807 return coda_s_fmt(ctx, &f_cap, &r);
808}
809
810static int coda_reqbufs(struct file *file, void *priv,
811 struct v4l2_requestbuffers *rb)
812{
813 struct coda_ctx *ctx = fh_to_ctx(priv);
814 int ret;
815
816 ret = v4l2_m2m_reqbufs(file, ctx->fh.m2m_ctx, rb);
817 if (ret)
818 return ret;
819
820
821
822
823
824 if (rb->type == V4L2_BUF_TYPE_VIDEO_OUTPUT && ctx->ops->reqbufs)
825 return ctx->ops->reqbufs(ctx, rb);
826
827 return 0;
828}
829
830static int coda_qbuf(struct file *file, void *priv,
831 struct v4l2_buffer *buf)
832{
833 struct coda_ctx *ctx = fh_to_ctx(priv);
834
835 return v4l2_m2m_qbuf(file, ctx->fh.m2m_ctx, buf);
836}
837
838static bool coda_buf_is_end_of_stream(struct coda_ctx *ctx,
839 struct vb2_v4l2_buffer *buf)
840{
841 return ((ctx->bit_stream_param & CODA_BIT_STREAM_END_FLAG) &&
842 (buf->sequence == (ctx->qsequence - 1)));
843}
844
845void coda_m2m_buf_done(struct coda_ctx *ctx, struct vb2_v4l2_buffer *buf,
846 enum vb2_buffer_state state)
847{
848 const struct v4l2_event eos_event = {
849 .type = V4L2_EVENT_EOS
850 };
851
852 if (coda_buf_is_end_of_stream(ctx, buf)) {
853 buf->flags |= V4L2_BUF_FLAG_LAST;
854
855 v4l2_event_queue_fh(&ctx->fh, &eos_event);
856 }
857
858 v4l2_m2m_buf_done(buf, state);
859}
860
861static int coda_g_selection(struct file *file, void *fh,
862 struct v4l2_selection *s)
863{
864 struct coda_ctx *ctx = fh_to_ctx(fh);
865 struct coda_q_data *q_data;
866 struct v4l2_rect r, *rsel;
867
868 q_data = get_q_data(ctx, s->type);
869 if (!q_data)
870 return -EINVAL;
871
872 r.left = 0;
873 r.top = 0;
874 r.width = q_data->width;
875 r.height = q_data->height;
876 rsel = &q_data->rect;
877
878 switch (s->target) {
879 case V4L2_SEL_TGT_CROP_DEFAULT:
880 case V4L2_SEL_TGT_CROP_BOUNDS:
881 rsel = &r;
882
883 case V4L2_SEL_TGT_CROP:
884 if (s->type != V4L2_BUF_TYPE_VIDEO_OUTPUT)
885 return -EINVAL;
886 break;
887 case V4L2_SEL_TGT_COMPOSE_BOUNDS:
888 case V4L2_SEL_TGT_COMPOSE_PADDED:
889 rsel = &r;
890
891 case V4L2_SEL_TGT_COMPOSE:
892 case V4L2_SEL_TGT_COMPOSE_DEFAULT:
893 if (s->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
894 return -EINVAL;
895 break;
896 default:
897 return -EINVAL;
898 }
899
900 s->r = *rsel;
901
902 return 0;
903}
904
905static int coda_try_encoder_cmd(struct file *file, void *fh,
906 struct v4l2_encoder_cmd *ec)
907{
908 if (ec->cmd != V4L2_ENC_CMD_STOP)
909 return -EINVAL;
910
911 if (ec->flags & V4L2_ENC_CMD_STOP_AT_GOP_END)
912 return -EINVAL;
913
914 return 0;
915}
916
917static int coda_encoder_cmd(struct file *file, void *fh,
918 struct v4l2_encoder_cmd *ec)
919{
920 struct coda_ctx *ctx = fh_to_ctx(fh);
921 struct vb2_queue *dst_vq;
922 int ret;
923
924 ret = coda_try_encoder_cmd(file, fh, ec);
925 if (ret < 0)
926 return ret;
927
928
929 if (ctx->inst_type != CODA_INST_ENCODER)
930 return 0;
931
932
933 ctx->bit_stream_param |= CODA_BIT_STREAM_END_FLAG;
934
935
936 if (!ctx->streamon_out || ctx->qsequence == ctx->osequence) {
937 dst_vq = v4l2_m2m_get_vq(ctx->fh.m2m_ctx,
938 V4L2_BUF_TYPE_VIDEO_CAPTURE);
939 dst_vq->last_buffer_dequeued = true;
940 wake_up(&dst_vq->done_wq);
941 }
942
943 return 0;
944}
945
946static int coda_try_decoder_cmd(struct file *file, void *fh,
947 struct v4l2_decoder_cmd *dc)
948{
949 if (dc->cmd != V4L2_DEC_CMD_STOP)
950 return -EINVAL;
951
952 if (dc->flags & V4L2_DEC_CMD_STOP_TO_BLACK)
953 return -EINVAL;
954
955 if (!(dc->flags & V4L2_DEC_CMD_STOP_IMMEDIATELY) && (dc->stop.pts != 0))
956 return -EINVAL;
957
958 return 0;
959}
960
961static int coda_decoder_cmd(struct file *file, void *fh,
962 struct v4l2_decoder_cmd *dc)
963{
964 struct coda_ctx *ctx = fh_to_ctx(fh);
965 int ret;
966
967 ret = coda_try_decoder_cmd(file, fh, dc);
968 if (ret < 0)
969 return ret;
970
971
972 if (ctx->inst_type != CODA_INST_DECODER)
973 return 0;
974
975
976 coda_bit_stream_end_flag(ctx);
977 ctx->hold = false;
978 v4l2_m2m_try_schedule(ctx->fh.m2m_ctx);
979
980 return 0;
981}
982
983static int coda_g_parm(struct file *file, void *fh, struct v4l2_streamparm *a)
984{
985 struct coda_ctx *ctx = fh_to_ctx(fh);
986 struct v4l2_fract *tpf;
987
988 if (a->type != V4L2_BUF_TYPE_VIDEO_OUTPUT)
989 return -EINVAL;
990
991 a->parm.output.capability = V4L2_CAP_TIMEPERFRAME;
992 tpf = &a->parm.output.timeperframe;
993 tpf->denominator = ctx->params.framerate & CODA_FRATE_RES_MASK;
994 tpf->numerator = 1 + (ctx->params.framerate >>
995 CODA_FRATE_DIV_OFFSET);
996
997 return 0;
998}
999
1000
1001
1002
1003
1004static void coda_approximate_timeperframe(struct v4l2_fract *timeperframe)
1005{
1006 struct v4l2_fract s = *timeperframe;
1007 struct v4l2_fract f0;
1008 struct v4l2_fract f1 = { 1, 0 };
1009 struct v4l2_fract f2 = { 0, 1 };
1010 unsigned int i, div, s_denominator;
1011
1012
1013 if (s.numerator == 0 || s.denominator / s.numerator > 65535) {
1014 timeperframe->numerator = 1;
1015 timeperframe->denominator = 65535;
1016 return;
1017 }
1018
1019
1020 if (s.denominator == 0 || s.numerator / s.denominator > 65536) {
1021 timeperframe->numerator = 1;
1022 timeperframe->denominator = 0;
1023 return;
1024 }
1025
1026
1027 div = gcd(s.numerator, s.denominator);
1028 if (div > 1) {
1029 s.numerator /= div;
1030 s.denominator /= div;
1031 }
1032
1033 if (s.numerator <= 65536 && s.denominator < 65536) {
1034 *timeperframe = s;
1035 return;
1036 }
1037
1038
1039 while (f2.numerator <= 65536 && f2.denominator < 65536) {
1040 f0 = f1;
1041 f1 = f2;
1042
1043
1044 if (s.numerator == 0)
1045 break;
1046
1047 i = s.denominator / s.numerator;
1048
1049 f2.numerator = f0.numerator + i * f1.numerator;
1050 f2.denominator = f0.denominator + i * f2.denominator;
1051
1052 s_denominator = s.numerator;
1053 s.numerator = s.denominator % s.numerator;
1054 s.denominator = s_denominator;
1055 }
1056
1057 *timeperframe = f1;
1058}
1059
1060static uint32_t coda_timeperframe_to_frate(struct v4l2_fract *timeperframe)
1061{
1062 return ((timeperframe->numerator - 1) << CODA_FRATE_DIV_OFFSET) |
1063 timeperframe->denominator;
1064}
1065
1066static int coda_s_parm(struct file *file, void *fh, struct v4l2_streamparm *a)
1067{
1068 struct coda_ctx *ctx = fh_to_ctx(fh);
1069 struct v4l2_fract *tpf;
1070
1071 if (a->type != V4L2_BUF_TYPE_VIDEO_OUTPUT)
1072 return -EINVAL;
1073
1074 tpf = &a->parm.output.timeperframe;
1075 coda_approximate_timeperframe(tpf);
1076 ctx->params.framerate = coda_timeperframe_to_frate(tpf);
1077
1078 return 0;
1079}
1080
1081static int coda_subscribe_event(struct v4l2_fh *fh,
1082 const struct v4l2_event_subscription *sub)
1083{
1084 switch (sub->type) {
1085 case V4L2_EVENT_EOS:
1086 return v4l2_event_subscribe(fh, sub, 0, NULL);
1087 default:
1088 return v4l2_ctrl_subscribe_event(fh, sub);
1089 }
1090}
1091
1092static const struct v4l2_ioctl_ops coda_ioctl_ops = {
1093 .vidioc_querycap = coda_querycap,
1094
1095 .vidioc_enum_fmt_vid_cap = coda_enum_fmt,
1096 .vidioc_g_fmt_vid_cap = coda_g_fmt,
1097 .vidioc_try_fmt_vid_cap = coda_try_fmt_vid_cap,
1098 .vidioc_s_fmt_vid_cap = coda_s_fmt_vid_cap,
1099
1100 .vidioc_enum_fmt_vid_out = coda_enum_fmt,
1101 .vidioc_g_fmt_vid_out = coda_g_fmt,
1102 .vidioc_try_fmt_vid_out = coda_try_fmt_vid_out,
1103 .vidioc_s_fmt_vid_out = coda_s_fmt_vid_out,
1104
1105 .vidioc_reqbufs = coda_reqbufs,
1106 .vidioc_querybuf = v4l2_m2m_ioctl_querybuf,
1107
1108 .vidioc_qbuf = coda_qbuf,
1109 .vidioc_expbuf = v4l2_m2m_ioctl_expbuf,
1110 .vidioc_dqbuf = v4l2_m2m_ioctl_dqbuf,
1111 .vidioc_create_bufs = v4l2_m2m_ioctl_create_bufs,
1112 .vidioc_prepare_buf = v4l2_m2m_ioctl_prepare_buf,
1113
1114 .vidioc_streamon = v4l2_m2m_ioctl_streamon,
1115 .vidioc_streamoff = v4l2_m2m_ioctl_streamoff,
1116
1117 .vidioc_g_selection = coda_g_selection,
1118
1119 .vidioc_try_encoder_cmd = coda_try_encoder_cmd,
1120 .vidioc_encoder_cmd = coda_encoder_cmd,
1121 .vidioc_try_decoder_cmd = coda_try_decoder_cmd,
1122 .vidioc_decoder_cmd = coda_decoder_cmd,
1123
1124 .vidioc_g_parm = coda_g_parm,
1125 .vidioc_s_parm = coda_s_parm,
1126
1127 .vidioc_subscribe_event = coda_subscribe_event,
1128 .vidioc_unsubscribe_event = v4l2_event_unsubscribe,
1129};
1130
1131
1132
1133
1134
1135static void coda_device_run(void *m2m_priv)
1136{
1137 struct coda_ctx *ctx = m2m_priv;
1138 struct coda_dev *dev = ctx->dev;
1139
1140 queue_work(dev->workqueue, &ctx->pic_run_work);
1141}
1142
1143static void coda_pic_run_work(struct work_struct *work)
1144{
1145 struct coda_ctx *ctx = container_of(work, struct coda_ctx, pic_run_work);
1146 struct coda_dev *dev = ctx->dev;
1147 int ret;
1148
1149 mutex_lock(&ctx->buffer_mutex);
1150 mutex_lock(&dev->coda_mutex);
1151
1152 ret = ctx->ops->prepare_run(ctx);
1153 if (ret < 0 && ctx->inst_type == CODA_INST_DECODER) {
1154 mutex_unlock(&dev->coda_mutex);
1155 mutex_unlock(&ctx->buffer_mutex);
1156
1157 return;
1158 }
1159
1160 if (!wait_for_completion_timeout(&ctx->completion,
1161 msecs_to_jiffies(1000))) {
1162 dev_err(&dev->plat_dev->dev, "CODA PIC_RUN timeout\n");
1163
1164 ctx->hold = true;
1165
1166 coda_hw_reset(ctx);
1167
1168 if (ctx->ops->run_timeout)
1169 ctx->ops->run_timeout(ctx);
1170 } else if (!ctx->aborting) {
1171 ctx->ops->finish_run(ctx);
1172 }
1173
1174 if ((ctx->aborting || (!ctx->streamon_cap && !ctx->streamon_out)) &&
1175 ctx->ops->seq_end_work)
1176 queue_work(dev->workqueue, &ctx->seq_end_work);
1177
1178 mutex_unlock(&dev->coda_mutex);
1179 mutex_unlock(&ctx->buffer_mutex);
1180
1181 v4l2_m2m_job_finish(ctx->dev->m2m_dev, ctx->fh.m2m_ctx);
1182}
1183
1184static int coda_job_ready(void *m2m_priv)
1185{
1186 struct coda_ctx *ctx = m2m_priv;
1187 int src_bufs = v4l2_m2m_num_src_bufs_ready(ctx->fh.m2m_ctx);
1188
1189
1190
1191
1192
1193
1194 if (!src_bufs && ctx->inst_type != CODA_INST_DECODER) {
1195 v4l2_dbg(1, coda_debug, &ctx->dev->v4l2_dev,
1196 "not ready: not enough video buffers.\n");
1197 return 0;
1198 }
1199
1200 if (!v4l2_m2m_num_dst_bufs_ready(ctx->fh.m2m_ctx)) {
1201 v4l2_dbg(1, coda_debug, &ctx->dev->v4l2_dev,
1202 "not ready: not enough video capture buffers.\n");
1203 return 0;
1204 }
1205
1206 if (ctx->inst_type == CODA_INST_DECODER && ctx->use_bit) {
1207 bool stream_end = ctx->bit_stream_param &
1208 CODA_BIT_STREAM_END_FLAG;
1209 int num_metas = ctx->num_metas;
1210 unsigned int count;
1211
1212 count = hweight32(ctx->frm_dis_flg);
1213 if (ctx->use_vdoa && count >= (ctx->num_internal_frames - 1)) {
1214 v4l2_dbg(1, coda_debug, &ctx->dev->v4l2_dev,
1215 "%d: not ready: all internal buffers in use: %d/%d (0x%x)",
1216 ctx->idx, count, ctx->num_internal_frames,
1217 ctx->frm_dis_flg);
1218 return 0;
1219 }
1220
1221 if (ctx->hold && !src_bufs) {
1222 v4l2_dbg(1, coda_debug, &ctx->dev->v4l2_dev,
1223 "%d: not ready: on hold for more buffers.\n",
1224 ctx->idx);
1225 return 0;
1226 }
1227
1228 if (!stream_end && (num_metas + src_bufs) < 2) {
1229 v4l2_dbg(1, coda_debug, &ctx->dev->v4l2_dev,
1230 "%d: not ready: need 2 buffers available (%d, %d)\n",
1231 ctx->idx, num_metas, src_bufs);
1232 return 0;
1233 }
1234
1235
1236 if (!src_bufs && !stream_end &&
1237 (coda_get_bitstream_payload(ctx) < 512)) {
1238 v4l2_dbg(1, coda_debug, &ctx->dev->v4l2_dev,
1239 "%d: not ready: not enough bitstream data (%d).\n",
1240 ctx->idx, coda_get_bitstream_payload(ctx));
1241 return 0;
1242 }
1243 }
1244
1245 if (ctx->aborting) {
1246 v4l2_dbg(1, coda_debug, &ctx->dev->v4l2_dev,
1247 "not ready: aborting\n");
1248 return 0;
1249 }
1250
1251 v4l2_dbg(1, coda_debug, &ctx->dev->v4l2_dev,
1252 "job ready\n");
1253
1254 return 1;
1255}
1256
1257static void coda_job_abort(void *priv)
1258{
1259 struct coda_ctx *ctx = priv;
1260
1261 ctx->aborting = 1;
1262
1263 v4l2_dbg(1, coda_debug, &ctx->dev->v4l2_dev,
1264 "Aborting task\n");
1265}
1266
1267static void coda_lock(void *m2m_priv)
1268{
1269 struct coda_ctx *ctx = m2m_priv;
1270 struct coda_dev *pcdev = ctx->dev;
1271
1272 mutex_lock(&pcdev->dev_mutex);
1273}
1274
1275static void coda_unlock(void *m2m_priv)
1276{
1277 struct coda_ctx *ctx = m2m_priv;
1278 struct coda_dev *pcdev = ctx->dev;
1279
1280 mutex_unlock(&pcdev->dev_mutex);
1281}
1282
1283static const struct v4l2_m2m_ops coda_m2m_ops = {
1284 .device_run = coda_device_run,
1285 .job_ready = coda_job_ready,
1286 .job_abort = coda_job_abort,
1287 .lock = coda_lock,
1288 .unlock = coda_unlock,
1289};
1290
1291static void set_default_params(struct coda_ctx *ctx)
1292{
1293 unsigned int max_w, max_h, usize, csize;
1294
1295 ctx->codec = coda_find_codec(ctx->dev, ctx->cvd->src_formats[0],
1296 ctx->cvd->dst_formats[0]);
1297 max_w = min(ctx->codec->max_w, 1920U);
1298 max_h = min(ctx->codec->max_h, 1088U);
1299 usize = max_w * max_h * 3 / 2;
1300 csize = coda_estimate_sizeimage(ctx, usize, max_w, max_h);
1301
1302 ctx->params.codec_mode = ctx->codec->mode;
1303 if (ctx->cvd->src_formats[0] == V4L2_PIX_FMT_JPEG)
1304 ctx->colorspace = V4L2_COLORSPACE_JPEG;
1305 else
1306 ctx->colorspace = V4L2_COLORSPACE_REC709;
1307 ctx->xfer_func = V4L2_XFER_FUNC_DEFAULT;
1308 ctx->ycbcr_enc = V4L2_YCBCR_ENC_DEFAULT;
1309 ctx->quantization = V4L2_QUANTIZATION_DEFAULT;
1310 ctx->params.framerate = 30;
1311
1312
1313 ctx->q_data[V4L2_M2M_SRC].fourcc = ctx->cvd->src_formats[0];
1314 ctx->q_data[V4L2_M2M_DST].fourcc = ctx->cvd->dst_formats[0];
1315 ctx->q_data[V4L2_M2M_SRC].width = max_w;
1316 ctx->q_data[V4L2_M2M_SRC].height = max_h;
1317 ctx->q_data[V4L2_M2M_DST].width = max_w;
1318 ctx->q_data[V4L2_M2M_DST].height = max_h;
1319 if (ctx->codec->src_fourcc == V4L2_PIX_FMT_YUV420) {
1320 ctx->q_data[V4L2_M2M_SRC].bytesperline = max_w;
1321 ctx->q_data[V4L2_M2M_SRC].sizeimage = usize;
1322 ctx->q_data[V4L2_M2M_DST].bytesperline = 0;
1323 ctx->q_data[V4L2_M2M_DST].sizeimage = csize;
1324 } else {
1325 ctx->q_data[V4L2_M2M_SRC].bytesperline = 0;
1326 ctx->q_data[V4L2_M2M_SRC].sizeimage = csize;
1327 ctx->q_data[V4L2_M2M_DST].bytesperline = max_w;
1328 ctx->q_data[V4L2_M2M_DST].sizeimage = usize;
1329 }
1330 ctx->q_data[V4L2_M2M_SRC].rect.width = max_w;
1331 ctx->q_data[V4L2_M2M_SRC].rect.height = max_h;
1332 ctx->q_data[V4L2_M2M_DST].rect.width = max_w;
1333 ctx->q_data[V4L2_M2M_DST].rect.height = max_h;
1334
1335
1336
1337
1338
1339 ctx->tiled_map_type = GDI_LINEAR_FRAME_MAP;
1340}
1341
1342
1343
1344
1345static int coda_queue_setup(struct vb2_queue *vq,
1346 unsigned int *nbuffers, unsigned int *nplanes,
1347 unsigned int sizes[], struct device *alloc_devs[])
1348{
1349 struct coda_ctx *ctx = vb2_get_drv_priv(vq);
1350 struct coda_q_data *q_data;
1351 unsigned int size;
1352
1353 q_data = get_q_data(ctx, vq->type);
1354 size = q_data->sizeimage;
1355
1356 *nplanes = 1;
1357 sizes[0] = size;
1358
1359 v4l2_dbg(1, coda_debug, &ctx->dev->v4l2_dev,
1360 "get %d buffer(s) of size %d each.\n", *nbuffers, size);
1361
1362 return 0;
1363}
1364
1365static int coda_buf_prepare(struct vb2_buffer *vb)
1366{
1367 struct coda_ctx *ctx = vb2_get_drv_priv(vb->vb2_queue);
1368 struct coda_q_data *q_data;
1369
1370 q_data = get_q_data(ctx, vb->vb2_queue->type);
1371
1372 if (vb2_plane_size(vb, 0) < q_data->sizeimage) {
1373 v4l2_warn(&ctx->dev->v4l2_dev,
1374 "%s data will not fit into plane (%lu < %lu)\n",
1375 __func__, vb2_plane_size(vb, 0),
1376 (long)q_data->sizeimage);
1377 return -EINVAL;
1378 }
1379
1380 return 0;
1381}
1382
1383static void coda_buf_queue(struct vb2_buffer *vb)
1384{
1385 struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
1386 struct coda_ctx *ctx = vb2_get_drv_priv(vb->vb2_queue);
1387 struct vb2_queue *vq = vb->vb2_queue;
1388 struct coda_q_data *q_data;
1389
1390 q_data = get_q_data(ctx, vb->vb2_queue->type);
1391
1392
1393
1394
1395
1396 if (ctx->bitstream.size && vq->type == V4L2_BUF_TYPE_VIDEO_OUTPUT) {
1397
1398
1399
1400
1401 if (vb2_get_plane_payload(vb, 0) == 0)
1402 coda_bit_stream_end_flag(ctx);
1403
1404 if (q_data->fourcc == V4L2_PIX_FMT_H264) {
1405
1406
1407
1408
1409
1410
1411 if (!ctx->params.h264_profile_idc)
1412 coda_sps_parse_profile(ctx, vb);
1413 }
1414
1415 mutex_lock(&ctx->bitstream_mutex);
1416 v4l2_m2m_buf_queue(ctx->fh.m2m_ctx, vbuf);
1417 if (vb2_is_streaming(vb->vb2_queue))
1418
1419 coda_fill_bitstream(ctx, NULL);
1420 mutex_unlock(&ctx->bitstream_mutex);
1421 } else {
1422 if (ctx->inst_type == CODA_INST_ENCODER &&
1423 vq->type == V4L2_BUF_TYPE_VIDEO_OUTPUT)
1424 vbuf->sequence = ctx->qsequence++;
1425 v4l2_m2m_buf_queue(ctx->fh.m2m_ctx, vbuf);
1426 }
1427}
1428
1429int coda_alloc_aux_buf(struct coda_dev *dev, struct coda_aux_buf *buf,
1430 size_t size, const char *name, struct dentry *parent)
1431{
1432 buf->vaddr = dma_alloc_coherent(&dev->plat_dev->dev, size, &buf->paddr,
1433 GFP_KERNEL);
1434 if (!buf->vaddr) {
1435 v4l2_err(&dev->v4l2_dev,
1436 "Failed to allocate %s buffer of size %zu\n",
1437 name, size);
1438 return -ENOMEM;
1439 }
1440
1441 buf->size = size;
1442
1443 if (name && parent) {
1444 buf->blob.data = buf->vaddr;
1445 buf->blob.size = size;
1446 buf->dentry = debugfs_create_blob(name, 0644, parent,
1447 &buf->blob);
1448 if (!buf->dentry)
1449 dev_warn(&dev->plat_dev->dev,
1450 "failed to create debugfs entry %s\n", name);
1451 }
1452
1453 return 0;
1454}
1455
1456void coda_free_aux_buf(struct coda_dev *dev,
1457 struct coda_aux_buf *buf)
1458{
1459 if (buf->vaddr) {
1460 dma_free_coherent(&dev->plat_dev->dev, buf->size,
1461 buf->vaddr, buf->paddr);
1462 buf->vaddr = NULL;
1463 buf->size = 0;
1464 debugfs_remove(buf->dentry);
1465 buf->dentry = NULL;
1466 }
1467}
1468
1469static int coda_start_streaming(struct vb2_queue *q, unsigned int count)
1470{
1471 struct coda_ctx *ctx = vb2_get_drv_priv(q);
1472 struct v4l2_device *v4l2_dev = &ctx->dev->v4l2_dev;
1473 struct coda_q_data *q_data_src, *q_data_dst;
1474 struct v4l2_m2m_buffer *m2m_buf, *tmp;
1475 struct vb2_v4l2_buffer *buf;
1476 struct list_head list;
1477 int ret = 0;
1478
1479 if (count < 1)
1480 return -EINVAL;
1481
1482 INIT_LIST_HEAD(&list);
1483
1484 q_data_src = get_q_data(ctx, V4L2_BUF_TYPE_VIDEO_OUTPUT);
1485 if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT) {
1486 if (ctx->inst_type == CODA_INST_DECODER && ctx->use_bit) {
1487
1488 mutex_lock(&ctx->bitstream_mutex);
1489 coda_fill_bitstream(ctx, &list);
1490 mutex_unlock(&ctx->bitstream_mutex);
1491
1492 if (coda_get_bitstream_payload(ctx) < 512) {
1493 ret = -EINVAL;
1494 goto err;
1495 }
1496 }
1497
1498 ctx->streamon_out = 1;
1499 } else {
1500 ctx->streamon_cap = 1;
1501 }
1502
1503
1504 if (!(ctx->streamon_out && ctx->streamon_cap))
1505 goto out;
1506
1507 q_data_dst = get_q_data(ctx, V4L2_BUF_TYPE_VIDEO_CAPTURE);
1508 if ((q_data_src->width != q_data_dst->width &&
1509 round_up(q_data_src->width, 16) != q_data_dst->width) ||
1510 (q_data_src->height != q_data_dst->height &&
1511 round_up(q_data_src->height, 16) != q_data_dst->height)) {
1512 v4l2_err(v4l2_dev, "can't convert %dx%d to %dx%d\n",
1513 q_data_src->width, q_data_src->height,
1514 q_data_dst->width, q_data_dst->height);
1515 ret = -EINVAL;
1516 goto err;
1517 }
1518
1519
1520 if (ctx->inst_type == CODA_INST_DECODER && ctx->use_bit)
1521 v4l2_m2m_set_src_buffered(ctx->fh.m2m_ctx, true);
1522
1523 ctx->gopcounter = ctx->params.gop_size - 1;
1524
1525 ctx->codec = coda_find_codec(ctx->dev, q_data_src->fourcc,
1526 q_data_dst->fourcc);
1527 if (!ctx->codec) {
1528 v4l2_err(v4l2_dev, "couldn't tell instance type.\n");
1529 ret = -EINVAL;
1530 goto err;
1531 }
1532
1533 if (q_data_dst->fourcc == V4L2_PIX_FMT_JPEG)
1534 ctx->params.gop_size = 1;
1535 ctx->gopcounter = ctx->params.gop_size - 1;
1536
1537 ret = ctx->ops->start_streaming(ctx);
1538 if (ctx->inst_type == CODA_INST_DECODER) {
1539 if (ret == -EAGAIN)
1540 goto out;
1541 }
1542 if (ret < 0)
1543 goto err;
1544
1545out:
1546 if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT) {
1547 list_for_each_entry_safe(m2m_buf, tmp, &list, list) {
1548 list_del(&m2m_buf->list);
1549 v4l2_m2m_buf_done(&m2m_buf->vb, VB2_BUF_STATE_DONE);
1550 }
1551 }
1552 return 0;
1553
1554err:
1555 if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT) {
1556 list_for_each_entry_safe(m2m_buf, tmp, &list, list) {
1557 list_del(&m2m_buf->list);
1558 v4l2_m2m_buf_done(&m2m_buf->vb, VB2_BUF_STATE_QUEUED);
1559 }
1560 while ((buf = v4l2_m2m_src_buf_remove(ctx->fh.m2m_ctx)))
1561 v4l2_m2m_buf_done(buf, VB2_BUF_STATE_QUEUED);
1562 } else {
1563 while ((buf = v4l2_m2m_dst_buf_remove(ctx->fh.m2m_ctx)))
1564 v4l2_m2m_buf_done(buf, VB2_BUF_STATE_QUEUED);
1565 }
1566 return ret;
1567}
1568
1569static void coda_stop_streaming(struct vb2_queue *q)
1570{
1571 struct coda_ctx *ctx = vb2_get_drv_priv(q);
1572 struct coda_dev *dev = ctx->dev;
1573 struct vb2_v4l2_buffer *buf;
1574 unsigned long flags;
1575 bool stop;
1576
1577 stop = ctx->streamon_out && ctx->streamon_cap;
1578
1579 if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT) {
1580 v4l2_dbg(1, coda_debug, &dev->v4l2_dev,
1581 "%s: output\n", __func__);
1582 ctx->streamon_out = 0;
1583
1584 coda_bit_stream_end_flag(ctx);
1585
1586 ctx->qsequence = 0;
1587
1588 while ((buf = v4l2_m2m_src_buf_remove(ctx->fh.m2m_ctx)))
1589 v4l2_m2m_buf_done(buf, VB2_BUF_STATE_ERROR);
1590 } else {
1591 v4l2_dbg(1, coda_debug, &dev->v4l2_dev,
1592 "%s: capture\n", __func__);
1593 ctx->streamon_cap = 0;
1594
1595 ctx->osequence = 0;
1596 ctx->sequence_offset = 0;
1597
1598 while ((buf = v4l2_m2m_dst_buf_remove(ctx->fh.m2m_ctx)))
1599 v4l2_m2m_buf_done(buf, VB2_BUF_STATE_ERROR);
1600 }
1601
1602 if (stop) {
1603 struct coda_buffer_meta *meta;
1604
1605 if (ctx->ops->seq_end_work) {
1606 queue_work(dev->workqueue, &ctx->seq_end_work);
1607 flush_work(&ctx->seq_end_work);
1608 }
1609 spin_lock_irqsave(&ctx->buffer_meta_lock, flags);
1610 while (!list_empty(&ctx->buffer_meta_list)) {
1611 meta = list_first_entry(&ctx->buffer_meta_list,
1612 struct coda_buffer_meta, list);
1613 list_del(&meta->list);
1614 kfree(meta);
1615 }
1616 ctx->num_metas = 0;
1617 spin_unlock_irqrestore(&ctx->buffer_meta_lock, flags);
1618 kfifo_init(&ctx->bitstream_fifo,
1619 ctx->bitstream.vaddr, ctx->bitstream.size);
1620 ctx->runcounter = 0;
1621 ctx->aborting = 0;
1622 }
1623
1624 if (!ctx->streamon_out && !ctx->streamon_cap)
1625 ctx->bit_stream_param &= ~CODA_BIT_STREAM_END_FLAG;
1626}
1627
1628static const struct vb2_ops coda_qops = {
1629 .queue_setup = coda_queue_setup,
1630 .buf_prepare = coda_buf_prepare,
1631 .buf_queue = coda_buf_queue,
1632 .start_streaming = coda_start_streaming,
1633 .stop_streaming = coda_stop_streaming,
1634 .wait_prepare = vb2_ops_wait_prepare,
1635 .wait_finish = vb2_ops_wait_finish,
1636};
1637
1638static int coda_s_ctrl(struct v4l2_ctrl *ctrl)
1639{
1640 struct coda_ctx *ctx =
1641 container_of(ctrl->handler, struct coda_ctx, ctrls);
1642
1643 v4l2_dbg(1, coda_debug, &ctx->dev->v4l2_dev,
1644 "s_ctrl: id = %d, val = %d\n", ctrl->id, ctrl->val);
1645
1646 switch (ctrl->id) {
1647 case V4L2_CID_HFLIP:
1648 if (ctrl->val)
1649 ctx->params.rot_mode |= CODA_MIR_HOR;
1650 else
1651 ctx->params.rot_mode &= ~CODA_MIR_HOR;
1652 break;
1653 case V4L2_CID_VFLIP:
1654 if (ctrl->val)
1655 ctx->params.rot_mode |= CODA_MIR_VER;
1656 else
1657 ctx->params.rot_mode &= ~CODA_MIR_VER;
1658 break;
1659 case V4L2_CID_MPEG_VIDEO_BITRATE:
1660 ctx->params.bitrate = ctrl->val / 1000;
1661 break;
1662 case V4L2_CID_MPEG_VIDEO_GOP_SIZE:
1663 ctx->params.gop_size = ctrl->val;
1664 break;
1665 case V4L2_CID_MPEG_VIDEO_H264_I_FRAME_QP:
1666 ctx->params.h264_intra_qp = ctrl->val;
1667 break;
1668 case V4L2_CID_MPEG_VIDEO_H264_P_FRAME_QP:
1669 ctx->params.h264_inter_qp = ctrl->val;
1670 break;
1671 case V4L2_CID_MPEG_VIDEO_H264_MIN_QP:
1672 ctx->params.h264_min_qp = ctrl->val;
1673 break;
1674 case V4L2_CID_MPEG_VIDEO_H264_MAX_QP:
1675 ctx->params.h264_max_qp = ctrl->val;
1676 break;
1677 case V4L2_CID_MPEG_VIDEO_H264_LOOP_FILTER_ALPHA:
1678 ctx->params.h264_deblk_alpha = ctrl->val;
1679 break;
1680 case V4L2_CID_MPEG_VIDEO_H264_LOOP_FILTER_BETA:
1681 ctx->params.h264_deblk_beta = ctrl->val;
1682 break;
1683 case V4L2_CID_MPEG_VIDEO_H264_LOOP_FILTER_MODE:
1684 ctx->params.h264_deblk_enabled = (ctrl->val ==
1685 V4L2_MPEG_VIDEO_H264_LOOP_FILTER_MODE_ENABLED);
1686 break;
1687 case V4L2_CID_MPEG_VIDEO_H264_PROFILE:
1688
1689 ctx->params.h264_profile_idc = 66;
1690 break;
1691 case V4L2_CID_MPEG_VIDEO_H264_LEVEL:
1692
1693 break;
1694 case V4L2_CID_MPEG_VIDEO_MPEG4_I_FRAME_QP:
1695 ctx->params.mpeg4_intra_qp = ctrl->val;
1696 break;
1697 case V4L2_CID_MPEG_VIDEO_MPEG4_P_FRAME_QP:
1698 ctx->params.mpeg4_inter_qp = ctrl->val;
1699 break;
1700 case V4L2_CID_MPEG_VIDEO_MPEG4_PROFILE:
1701 case V4L2_CID_MPEG_VIDEO_MPEG4_LEVEL:
1702
1703 break;
1704 case V4L2_CID_MPEG_VIDEO_MULTI_SLICE_MODE:
1705 ctx->params.slice_mode = ctrl->val;
1706 break;
1707 case V4L2_CID_MPEG_VIDEO_MULTI_SLICE_MAX_MB:
1708 ctx->params.slice_max_mb = ctrl->val;
1709 break;
1710 case V4L2_CID_MPEG_VIDEO_MULTI_SLICE_MAX_BYTES:
1711 ctx->params.slice_max_bits = ctrl->val * 8;
1712 break;
1713 case V4L2_CID_MPEG_VIDEO_HEADER_MODE:
1714 break;
1715 case V4L2_CID_MPEG_VIDEO_CYCLIC_INTRA_REFRESH_MB:
1716 ctx->params.intra_refresh = ctrl->val;
1717 break;
1718 case V4L2_CID_MPEG_VIDEO_FORCE_KEY_FRAME:
1719 ctx->params.force_ipicture = true;
1720 break;
1721 case V4L2_CID_JPEG_COMPRESSION_QUALITY:
1722 coda_set_jpeg_compression_quality(ctx, ctrl->val);
1723 break;
1724 case V4L2_CID_JPEG_RESTART_INTERVAL:
1725 ctx->params.jpeg_restart_interval = ctrl->val;
1726 break;
1727 case V4L2_CID_MPEG_VIDEO_VBV_DELAY:
1728 ctx->params.vbv_delay = ctrl->val;
1729 break;
1730 case V4L2_CID_MPEG_VIDEO_VBV_SIZE:
1731 ctx->params.vbv_size = min(ctrl->val * 8192, 0x7fffffff);
1732 break;
1733 default:
1734 v4l2_dbg(1, coda_debug, &ctx->dev->v4l2_dev,
1735 "Invalid control, id=%d, val=%d\n",
1736 ctrl->id, ctrl->val);
1737 return -EINVAL;
1738 }
1739
1740 return 0;
1741}
1742
1743static const struct v4l2_ctrl_ops coda_ctrl_ops = {
1744 .s_ctrl = coda_s_ctrl,
1745};
1746
1747static void coda_encode_ctrls(struct coda_ctx *ctx)
1748{
1749 int max_gop_size = (ctx->dev->devtype->product == CODA_DX6) ? 60 : 99;
1750
1751 v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
1752 V4L2_CID_MPEG_VIDEO_BITRATE, 0, 32767000, 1000, 0);
1753 v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
1754 V4L2_CID_MPEG_VIDEO_GOP_SIZE, 0, max_gop_size, 1, 16);
1755 v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
1756 V4L2_CID_MPEG_VIDEO_H264_I_FRAME_QP, 0, 51, 1, 25);
1757 v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
1758 V4L2_CID_MPEG_VIDEO_H264_P_FRAME_QP, 0, 51, 1, 25);
1759 if (ctx->dev->devtype->product != CODA_960) {
1760 v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
1761 V4L2_CID_MPEG_VIDEO_H264_MIN_QP, 0, 51, 1, 12);
1762 }
1763 v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
1764 V4L2_CID_MPEG_VIDEO_H264_MAX_QP, 0, 51, 1, 51);
1765 v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
1766 V4L2_CID_MPEG_VIDEO_H264_LOOP_FILTER_ALPHA, 0, 15, 1, 0);
1767 v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
1768 V4L2_CID_MPEG_VIDEO_H264_LOOP_FILTER_BETA, 0, 15, 1, 0);
1769 v4l2_ctrl_new_std_menu(&ctx->ctrls, &coda_ctrl_ops,
1770 V4L2_CID_MPEG_VIDEO_H264_LOOP_FILTER_MODE,
1771 V4L2_MPEG_VIDEO_H264_LOOP_FILTER_MODE_DISABLED, 0x0,
1772 V4L2_MPEG_VIDEO_H264_LOOP_FILTER_MODE_ENABLED);
1773 v4l2_ctrl_new_std_menu(&ctx->ctrls, &coda_ctrl_ops,
1774 V4L2_CID_MPEG_VIDEO_H264_PROFILE,
1775 V4L2_MPEG_VIDEO_H264_PROFILE_BASELINE, 0x0,
1776 V4L2_MPEG_VIDEO_H264_PROFILE_BASELINE);
1777 if (ctx->dev->devtype->product == CODA_7541) {
1778 v4l2_ctrl_new_std_menu(&ctx->ctrls, &coda_ctrl_ops,
1779 V4L2_CID_MPEG_VIDEO_H264_LEVEL,
1780 V4L2_MPEG_VIDEO_H264_LEVEL_3_1,
1781 ~((1 << V4L2_MPEG_VIDEO_H264_LEVEL_2_0) |
1782 (1 << V4L2_MPEG_VIDEO_H264_LEVEL_3_0) |
1783 (1 << V4L2_MPEG_VIDEO_H264_LEVEL_3_1)),
1784 V4L2_MPEG_VIDEO_H264_LEVEL_3_1);
1785 }
1786 if (ctx->dev->devtype->product == CODA_960) {
1787 v4l2_ctrl_new_std_menu(&ctx->ctrls, &coda_ctrl_ops,
1788 V4L2_CID_MPEG_VIDEO_H264_LEVEL,
1789 V4L2_MPEG_VIDEO_H264_LEVEL_4_0,
1790 ~((1 << V4L2_MPEG_VIDEO_H264_LEVEL_2_0) |
1791 (1 << V4L2_MPEG_VIDEO_H264_LEVEL_3_0) |
1792 (1 << V4L2_MPEG_VIDEO_H264_LEVEL_3_1) |
1793 (1 << V4L2_MPEG_VIDEO_H264_LEVEL_3_2) |
1794 (1 << V4L2_MPEG_VIDEO_H264_LEVEL_4_0)),
1795 V4L2_MPEG_VIDEO_H264_LEVEL_4_0);
1796 }
1797 v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
1798 V4L2_CID_MPEG_VIDEO_MPEG4_I_FRAME_QP, 1, 31, 1, 2);
1799 v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
1800 V4L2_CID_MPEG_VIDEO_MPEG4_P_FRAME_QP, 1, 31, 1, 2);
1801 v4l2_ctrl_new_std_menu(&ctx->ctrls, &coda_ctrl_ops,
1802 V4L2_CID_MPEG_VIDEO_MPEG4_PROFILE,
1803 V4L2_MPEG_VIDEO_MPEG4_PROFILE_SIMPLE, 0x0,
1804 V4L2_MPEG_VIDEO_MPEG4_PROFILE_SIMPLE);
1805 if (ctx->dev->devtype->product == CODA_7541 ||
1806 ctx->dev->devtype->product == CODA_960) {
1807 v4l2_ctrl_new_std_menu(&ctx->ctrls, &coda_ctrl_ops,
1808 V4L2_CID_MPEG_VIDEO_MPEG4_LEVEL,
1809 V4L2_MPEG_VIDEO_MPEG4_LEVEL_5,
1810 ~(1 << V4L2_MPEG_VIDEO_MPEG4_LEVEL_5),
1811 V4L2_MPEG_VIDEO_MPEG4_LEVEL_5);
1812 }
1813 v4l2_ctrl_new_std_menu(&ctx->ctrls, &coda_ctrl_ops,
1814 V4L2_CID_MPEG_VIDEO_MULTI_SLICE_MODE,
1815 V4L2_MPEG_VIDEO_MULTI_SICE_MODE_MAX_BYTES, 0x0,
1816 V4L2_MPEG_VIDEO_MULTI_SLICE_MODE_SINGLE);
1817 v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
1818 V4L2_CID_MPEG_VIDEO_MULTI_SLICE_MAX_MB, 1, 0x3fffffff, 1, 1);
1819 v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
1820 V4L2_CID_MPEG_VIDEO_MULTI_SLICE_MAX_BYTES, 1, 0x3fffffff, 1,
1821 500);
1822 v4l2_ctrl_new_std_menu(&ctx->ctrls, &coda_ctrl_ops,
1823 V4L2_CID_MPEG_VIDEO_HEADER_MODE,
1824 V4L2_MPEG_VIDEO_HEADER_MODE_JOINED_WITH_1ST_FRAME,
1825 (1 << V4L2_MPEG_VIDEO_HEADER_MODE_SEPARATE),
1826 V4L2_MPEG_VIDEO_HEADER_MODE_JOINED_WITH_1ST_FRAME);
1827 v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
1828 V4L2_CID_MPEG_VIDEO_CYCLIC_INTRA_REFRESH_MB, 0,
1829 1920 * 1088 / 256, 1, 0);
1830 v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
1831 V4L2_CID_MPEG_VIDEO_VBV_DELAY, 0, 0x7fff, 1, 0);
1832
1833
1834
1835
1836 v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
1837 V4L2_CID_MPEG_VIDEO_VBV_SIZE, 0, 262144, 1, 0);
1838}
1839
1840static void coda_jpeg_encode_ctrls(struct coda_ctx *ctx)
1841{
1842 v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
1843 V4L2_CID_JPEG_COMPRESSION_QUALITY, 5, 100, 1, 50);
1844 v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
1845 V4L2_CID_JPEG_RESTART_INTERVAL, 0, 100, 1, 0);
1846}
1847
1848static int coda_ctrls_setup(struct coda_ctx *ctx)
1849{
1850 v4l2_ctrl_handler_init(&ctx->ctrls, 2);
1851
1852 v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
1853 V4L2_CID_HFLIP, 0, 1, 1, 0);
1854 v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
1855 V4L2_CID_VFLIP, 0, 1, 1, 0);
1856 if (ctx->inst_type == CODA_INST_ENCODER) {
1857 if (ctx->cvd->dst_formats[0] == V4L2_PIX_FMT_JPEG)
1858 coda_jpeg_encode_ctrls(ctx);
1859 else
1860 coda_encode_ctrls(ctx);
1861 }
1862
1863 if (ctx->ctrls.error) {
1864 v4l2_err(&ctx->dev->v4l2_dev,
1865 "control initialization error (%d)",
1866 ctx->ctrls.error);
1867 return -EINVAL;
1868 }
1869
1870 return v4l2_ctrl_handler_setup(&ctx->ctrls);
1871}
1872
1873static int coda_queue_init(struct coda_ctx *ctx, struct vb2_queue *vq)
1874{
1875 vq->drv_priv = ctx;
1876 vq->ops = &coda_qops;
1877 vq->buf_struct_size = sizeof(struct v4l2_m2m_buffer);
1878 vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY;
1879 vq->lock = &ctx->dev->dev_mutex;
1880
1881
1882
1883
1884
1885
1886 vq->allow_zero_bytesused = 1;
1887 vq->dev = &ctx->dev->plat_dev->dev;
1888
1889 return vb2_queue_init(vq);
1890}
1891
1892int coda_encoder_queue_init(void *priv, struct vb2_queue *src_vq,
1893 struct vb2_queue *dst_vq)
1894{
1895 int ret;
1896
1897 src_vq->type = V4L2_BUF_TYPE_VIDEO_OUTPUT;
1898 src_vq->io_modes = VB2_DMABUF | VB2_MMAP;
1899 src_vq->mem_ops = &vb2_dma_contig_memops;
1900
1901 ret = coda_queue_init(priv, src_vq);
1902 if (ret)
1903 return ret;
1904
1905 dst_vq->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
1906 dst_vq->io_modes = VB2_DMABUF | VB2_MMAP;
1907 dst_vq->mem_ops = &vb2_dma_contig_memops;
1908
1909 return coda_queue_init(priv, dst_vq);
1910}
1911
1912int coda_decoder_queue_init(void *priv, struct vb2_queue *src_vq,
1913 struct vb2_queue *dst_vq)
1914{
1915 int ret;
1916
1917 src_vq->type = V4L2_BUF_TYPE_VIDEO_OUTPUT;
1918 src_vq->io_modes = VB2_DMABUF | VB2_MMAP | VB2_USERPTR;
1919 src_vq->mem_ops = &vb2_vmalloc_memops;
1920
1921 ret = coda_queue_init(priv, src_vq);
1922 if (ret)
1923 return ret;
1924
1925 dst_vq->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
1926 dst_vq->io_modes = VB2_DMABUF | VB2_MMAP;
1927 dst_vq->mem_ops = &vb2_dma_contig_memops;
1928
1929 return coda_queue_init(priv, dst_vq);
1930}
1931
1932static int coda_next_free_instance(struct coda_dev *dev)
1933{
1934 int idx = ffz(dev->instance_mask);
1935
1936 if ((idx < 0) ||
1937 (dev->devtype->product == CODA_DX6 && idx > CODADX6_MAX_INSTANCES))
1938 return -EBUSY;
1939
1940 return idx;
1941}
1942
1943
1944
1945
1946
1947static int coda_open(struct file *file)
1948{
1949 struct video_device *vdev = video_devdata(file);
1950 struct coda_dev *dev = video_get_drvdata(vdev);
1951 struct coda_ctx *ctx = NULL;
1952 char *name;
1953 int ret;
1954 int idx;
1955
1956 ctx = kzalloc(sizeof(*ctx), GFP_KERNEL);
1957 if (!ctx)
1958 return -ENOMEM;
1959
1960 idx = coda_next_free_instance(dev);
1961 if (idx < 0) {
1962 ret = idx;
1963 goto err_coda_max;
1964 }
1965 set_bit(idx, &dev->instance_mask);
1966
1967 name = kasprintf(GFP_KERNEL, "context%d", idx);
1968 if (!name) {
1969 ret = -ENOMEM;
1970 goto err_coda_name_init;
1971 }
1972
1973 ctx->debugfs_entry = debugfs_create_dir(name, dev->debugfs_root);
1974 kfree(name);
1975
1976 ctx->cvd = to_coda_video_device(vdev);
1977 ctx->inst_type = ctx->cvd->type;
1978 ctx->ops = ctx->cvd->ops;
1979 ctx->use_bit = !ctx->cvd->direct;
1980 init_completion(&ctx->completion);
1981 INIT_WORK(&ctx->pic_run_work, coda_pic_run_work);
1982 if (ctx->ops->seq_end_work)
1983 INIT_WORK(&ctx->seq_end_work, ctx->ops->seq_end_work);
1984 v4l2_fh_init(&ctx->fh, video_devdata(file));
1985 file->private_data = &ctx->fh;
1986 v4l2_fh_add(&ctx->fh);
1987 ctx->dev = dev;
1988 ctx->idx = idx;
1989 switch (dev->devtype->product) {
1990 case CODA_960:
1991
1992
1993
1994
1995
1996
1997 if (enable_bwb || ctx->inst_type == CODA_INST_ENCODER)
1998 ctx->frame_mem_ctrl = CODA9_FRAME_ENABLE_BWB;
1999
2000 case CODA_7541:
2001 ctx->reg_idx = 0;
2002 break;
2003 default:
2004 ctx->reg_idx = idx;
2005 }
2006 if (ctx->dev->vdoa && !disable_vdoa) {
2007 ctx->vdoa = vdoa_context_create(dev->vdoa);
2008 if (!ctx->vdoa)
2009 v4l2_warn(&dev->v4l2_dev,
2010 "Failed to create vdoa context: not using vdoa");
2011 }
2012 ctx->use_vdoa = false;
2013
2014
2015 ret = pm_runtime_get_sync(&dev->plat_dev->dev);
2016 if (ret < 0) {
2017 v4l2_err(&dev->v4l2_dev, "failed to power up: %d\n", ret);
2018 goto err_pm_get;
2019 }
2020
2021 ret = clk_prepare_enable(dev->clk_per);
2022 if (ret)
2023 goto err_clk_per;
2024
2025 ret = clk_prepare_enable(dev->clk_ahb);
2026 if (ret)
2027 goto err_clk_ahb;
2028
2029 set_default_params(ctx);
2030 ctx->fh.m2m_ctx = v4l2_m2m_ctx_init(dev->m2m_dev, ctx,
2031 ctx->ops->queue_init);
2032 if (IS_ERR(ctx->fh.m2m_ctx)) {
2033 ret = PTR_ERR(ctx->fh.m2m_ctx);
2034
2035 v4l2_err(&dev->v4l2_dev, "%s return error (%d)\n",
2036 __func__, ret);
2037 goto err_ctx_init;
2038 }
2039
2040 ret = coda_ctrls_setup(ctx);
2041 if (ret) {
2042 v4l2_err(&dev->v4l2_dev, "failed to setup coda controls\n");
2043 goto err_ctrls_setup;
2044 }
2045
2046 ctx->fh.ctrl_handler = &ctx->ctrls;
2047
2048 mutex_init(&ctx->bitstream_mutex);
2049 mutex_init(&ctx->buffer_mutex);
2050 INIT_LIST_HEAD(&ctx->buffer_meta_list);
2051 spin_lock_init(&ctx->buffer_meta_lock);
2052
2053 coda_lock(ctx);
2054 list_add(&ctx->list, &dev->instances);
2055 coda_unlock(ctx);
2056
2057 v4l2_dbg(1, coda_debug, &dev->v4l2_dev, "Created instance %d (%p)\n",
2058 ctx->idx, ctx);
2059
2060 return 0;
2061
2062err_ctrls_setup:
2063 v4l2_m2m_ctx_release(ctx->fh.m2m_ctx);
2064err_ctx_init:
2065 clk_disable_unprepare(dev->clk_ahb);
2066err_clk_ahb:
2067 clk_disable_unprepare(dev->clk_per);
2068err_clk_per:
2069 pm_runtime_put_sync(&dev->plat_dev->dev);
2070err_pm_get:
2071 v4l2_fh_del(&ctx->fh);
2072 v4l2_fh_exit(&ctx->fh);
2073 clear_bit(ctx->idx, &dev->instance_mask);
2074err_coda_name_init:
2075err_coda_max:
2076 kfree(ctx);
2077 return ret;
2078}
2079
2080static int coda_release(struct file *file)
2081{
2082 struct coda_dev *dev = video_drvdata(file);
2083 struct coda_ctx *ctx = fh_to_ctx(file->private_data);
2084
2085 v4l2_dbg(1, coda_debug, &dev->v4l2_dev, "Releasing instance %p\n",
2086 ctx);
2087
2088 if (ctx->inst_type == CODA_INST_DECODER && ctx->use_bit)
2089 coda_bit_stream_end_flag(ctx);
2090
2091
2092 v4l2_m2m_ctx_release(ctx->fh.m2m_ctx);
2093
2094 if (ctx->vdoa)
2095 vdoa_context_destroy(ctx->vdoa);
2096
2097
2098 if (ctx->ops->seq_end_work) {
2099 queue_work(dev->workqueue, &ctx->seq_end_work);
2100 flush_work(&ctx->seq_end_work);
2101 }
2102
2103 coda_lock(ctx);
2104 list_del(&ctx->list);
2105 coda_unlock(ctx);
2106
2107 if (ctx->dev->devtype->product == CODA_DX6)
2108 coda_free_aux_buf(dev, &ctx->workbuf);
2109
2110 v4l2_ctrl_handler_free(&ctx->ctrls);
2111 clk_disable_unprepare(dev->clk_ahb);
2112 clk_disable_unprepare(dev->clk_per);
2113 pm_runtime_put_sync(&dev->plat_dev->dev);
2114 v4l2_fh_del(&ctx->fh);
2115 v4l2_fh_exit(&ctx->fh);
2116 clear_bit(ctx->idx, &dev->instance_mask);
2117 if (ctx->ops->release)
2118 ctx->ops->release(ctx);
2119 debugfs_remove_recursive(ctx->debugfs_entry);
2120 kfree(ctx);
2121
2122 return 0;
2123}
2124
2125static const struct v4l2_file_operations coda_fops = {
2126 .owner = THIS_MODULE,
2127 .open = coda_open,
2128 .release = coda_release,
2129 .poll = v4l2_m2m_fop_poll,
2130 .unlocked_ioctl = video_ioctl2,
2131 .mmap = v4l2_m2m_fop_mmap,
2132};
2133
2134static int coda_hw_init(struct coda_dev *dev)
2135{
2136 u32 data;
2137 u16 *p;
2138 int i, ret;
2139
2140 ret = clk_prepare_enable(dev->clk_per);
2141 if (ret)
2142 goto err_clk_per;
2143
2144 ret = clk_prepare_enable(dev->clk_ahb);
2145 if (ret)
2146 goto err_clk_ahb;
2147
2148 reset_control_reset(dev->rstc);
2149
2150
2151
2152
2153
2154
2155
2156 p = (u16 *)dev->codebuf.vaddr;
2157 if (dev->devtype->product == CODA_DX6) {
2158 for (i = 0; i < (CODA_ISRAM_SIZE / 2); i++) {
2159 data = CODA_DOWN_ADDRESS_SET(i) |
2160 CODA_DOWN_DATA_SET(p[i ^ 1]);
2161 coda_write(dev, data, CODA_REG_BIT_CODE_DOWN);
2162 }
2163 } else {
2164 for (i = 0; i < (CODA_ISRAM_SIZE / 2); i++) {
2165 data = CODA_DOWN_ADDRESS_SET(i) |
2166 CODA_DOWN_DATA_SET(p[round_down(i, 4) +
2167 3 - (i % 4)]);
2168 coda_write(dev, data, CODA_REG_BIT_CODE_DOWN);
2169 }
2170 }
2171
2172
2173 for (i = 0; i < 64; i++)
2174 coda_write(dev, 0, CODA_REG_BIT_CODE_BUF_ADDR + i * 4);
2175
2176
2177 if (dev->devtype->product == CODA_960 ||
2178 dev->devtype->product == CODA_7541) {
2179 coda_write(dev, dev->tempbuf.paddr,
2180 CODA_REG_BIT_TEMP_BUF_ADDR);
2181 coda_write(dev, 0, CODA_REG_BIT_BIT_STREAM_PARAM);
2182 } else {
2183 coda_write(dev, dev->workbuf.paddr,
2184 CODA_REG_BIT_WORK_BUF_ADDR);
2185 }
2186 coda_write(dev, dev->codebuf.paddr,
2187 CODA_REG_BIT_CODE_BUF_ADDR);
2188 coda_write(dev, 0, CODA_REG_BIT_CODE_RUN);
2189
2190
2191 switch (dev->devtype->product) {
2192 case CODA_DX6:
2193 coda_write(dev, CODADX6_STREAM_BUF_PIC_FLUSH,
2194 CODA_REG_BIT_STREAM_CTRL);
2195 break;
2196 default:
2197 coda_write(dev, CODA7_STREAM_BUF_PIC_FLUSH,
2198 CODA_REG_BIT_STREAM_CTRL);
2199 }
2200 if (dev->devtype->product == CODA_960)
2201 coda_write(dev, CODA9_FRAME_ENABLE_BWB,
2202 CODA_REG_BIT_FRAME_MEM_CTRL);
2203 else
2204 coda_write(dev, 0, CODA_REG_BIT_FRAME_MEM_CTRL);
2205
2206 if (dev->devtype->product != CODA_DX6)
2207 coda_write(dev, 0, CODA7_REG_BIT_AXI_SRAM_USE);
2208
2209 coda_write(dev, CODA_INT_INTERRUPT_ENABLE,
2210 CODA_REG_BIT_INT_ENABLE);
2211
2212
2213 data = coda_read(dev, CODA_REG_BIT_CODE_RESET);
2214 data |= CODA_REG_RESET_ENABLE;
2215 coda_write(dev, data, CODA_REG_BIT_CODE_RESET);
2216 udelay(10);
2217 data &= ~CODA_REG_RESET_ENABLE;
2218 coda_write(dev, data, CODA_REG_BIT_CODE_RESET);
2219 coda_write(dev, CODA_REG_RUN_ENABLE, CODA_REG_BIT_CODE_RUN);
2220
2221 clk_disable_unprepare(dev->clk_ahb);
2222 clk_disable_unprepare(dev->clk_per);
2223
2224 return 0;
2225
2226err_clk_ahb:
2227 clk_disable_unprepare(dev->clk_per);
2228err_clk_per:
2229 return ret;
2230}
2231
2232static int coda_register_device(struct coda_dev *dev, int i)
2233{
2234 struct video_device *vfd = &dev->vfd[i];
2235
2236 if (i >= dev->devtype->num_vdevs)
2237 return -EINVAL;
2238
2239 strlcpy(vfd->name, dev->devtype->vdevs[i]->name, sizeof(vfd->name));
2240 vfd->fops = &coda_fops;
2241 vfd->ioctl_ops = &coda_ioctl_ops;
2242 vfd->release = video_device_release_empty,
2243 vfd->lock = &dev->dev_mutex;
2244 vfd->v4l2_dev = &dev->v4l2_dev;
2245 vfd->vfl_dir = VFL_DIR_M2M;
2246 video_set_drvdata(vfd, dev);
2247
2248
2249 v4l2_disable_ioctl(vfd, VIDIOC_CROPCAP);
2250 v4l2_disable_ioctl(vfd, VIDIOC_G_CROP);
2251 v4l2_disable_ioctl(vfd, VIDIOC_S_CROP);
2252
2253 return video_register_device(vfd, VFL_TYPE_GRABBER, 0);
2254}
2255
2256static void coda_copy_firmware(struct coda_dev *dev, const u8 * const buf,
2257 size_t size)
2258{
2259 u32 *src = (u32 *)buf;
2260
2261
2262 if (buf[0] == 'M' && buf[1] == 'X')
2263 src += 4;
2264
2265
2266
2267
2268 if (__le16_to_cpup((__le16 *)src) == 0xe40e) {
2269 u32 *dst = dev->codebuf.vaddr;
2270 int i;
2271
2272
2273 if (dev->devtype->product == CODA_DX6) {
2274 for (i = 0; i < (size - 16) / 4; i++)
2275 dst[i] = (src[i] << 16) | (src[i] >> 16);
2276 } else {
2277 for (i = 0; i < (size - 16) / 4; i += 2) {
2278 dst[i] = (src[i + 1] << 16) | (src[i + 1] >> 16);
2279 dst[i + 1] = (src[i] << 16) | (src[i] >> 16);
2280 }
2281 }
2282 } else {
2283
2284 memcpy(dev->codebuf.vaddr, src, size);
2285 }
2286}
2287
2288static void coda_fw_callback(const struct firmware *fw, void *context);
2289
2290static int coda_firmware_request(struct coda_dev *dev)
2291{
2292 char *fw;
2293
2294 if (dev->firmware >= ARRAY_SIZE(dev->devtype->firmware))
2295 return -EINVAL;
2296
2297 fw = dev->devtype->firmware[dev->firmware];
2298
2299 dev_dbg(&dev->plat_dev->dev, "requesting firmware '%s' for %s\n", fw,
2300 coda_product_name(dev->devtype->product));
2301
2302 return request_firmware_nowait(THIS_MODULE, true, fw,
2303 &dev->plat_dev->dev, GFP_KERNEL, dev,
2304 coda_fw_callback);
2305}
2306
2307static void coda_fw_callback(const struct firmware *fw, void *context)
2308{
2309 struct coda_dev *dev = context;
2310 struct platform_device *pdev = dev->plat_dev;
2311 int i, ret;
2312
2313 if (!fw) {
2314 dev->firmware++;
2315 ret = coda_firmware_request(dev);
2316 if (ret < 0) {
2317 v4l2_err(&dev->v4l2_dev, "firmware request failed\n");
2318 goto put_pm;
2319 }
2320 return;
2321 }
2322 if (dev->firmware > 0) {
2323
2324
2325
2326
2327
2328 dev_info(&pdev->dev, "Using fallback firmware %s\n",
2329 dev->devtype->firmware[dev->firmware]);
2330 }
2331
2332
2333 ret = coda_alloc_aux_buf(dev, &dev->codebuf, fw->size, "codebuf",
2334 dev->debugfs_root);
2335 if (ret < 0)
2336 goto put_pm;
2337
2338 coda_copy_firmware(dev, fw->data, fw->size);
2339 release_firmware(fw);
2340
2341 ret = coda_hw_init(dev);
2342 if (ret < 0) {
2343 v4l2_err(&dev->v4l2_dev, "HW initialization failed\n");
2344 goto put_pm;
2345 }
2346
2347 ret = coda_check_firmware(dev);
2348 if (ret < 0)
2349 goto put_pm;
2350
2351 dev->m2m_dev = v4l2_m2m_init(&coda_m2m_ops);
2352 if (IS_ERR(dev->m2m_dev)) {
2353 v4l2_err(&dev->v4l2_dev, "Failed to init mem2mem device\n");
2354 goto put_pm;
2355 }
2356
2357 for (i = 0; i < dev->devtype->num_vdevs; i++) {
2358 ret = coda_register_device(dev, i);
2359 if (ret) {
2360 v4l2_err(&dev->v4l2_dev,
2361 "Failed to register %s video device: %d\n",
2362 dev->devtype->vdevs[i]->name, ret);
2363 goto rel_vfd;
2364 }
2365 }
2366
2367 v4l2_info(&dev->v4l2_dev, "codec registered as /dev/video[%d-%d]\n",
2368 dev->vfd[0].num, dev->vfd[i - 1].num);
2369
2370 pm_runtime_put_sync(&pdev->dev);
2371 return;
2372
2373rel_vfd:
2374 while (--i >= 0)
2375 video_unregister_device(&dev->vfd[i]);
2376 v4l2_m2m_release(dev->m2m_dev);
2377put_pm:
2378 pm_runtime_put_sync(&pdev->dev);
2379}
2380
2381enum coda_platform {
2382 CODA_IMX27,
2383 CODA_IMX53,
2384 CODA_IMX6Q,
2385 CODA_IMX6DL,
2386};
2387
2388static const struct coda_devtype coda_devdata[] = {
2389 [CODA_IMX27] = {
2390 .firmware = {
2391 "vpu_fw_imx27_TO2.bin",
2392 "vpu/vpu_fw_imx27_TO2.bin",
2393 "v4l-codadx6-imx27.bin"
2394 },
2395 .product = CODA_DX6,
2396 .codecs = codadx6_codecs,
2397 .num_codecs = ARRAY_SIZE(codadx6_codecs),
2398 .vdevs = codadx6_video_devices,
2399 .num_vdevs = ARRAY_SIZE(codadx6_video_devices),
2400 .workbuf_size = 288 * 1024 + FMO_SLICE_SAVE_BUF_SIZE * 8 * 1024,
2401 .iram_size = 0xb000,
2402 },
2403 [CODA_IMX53] = {
2404 .firmware = {
2405 "vpu_fw_imx53.bin",
2406 "vpu/vpu_fw_imx53.bin",
2407 "v4l-coda7541-imx53.bin"
2408 },
2409 .product = CODA_7541,
2410 .codecs = coda7_codecs,
2411 .num_codecs = ARRAY_SIZE(coda7_codecs),
2412 .vdevs = coda7_video_devices,
2413 .num_vdevs = ARRAY_SIZE(coda7_video_devices),
2414 .workbuf_size = 128 * 1024,
2415 .tempbuf_size = 304 * 1024,
2416 .iram_size = 0x14000,
2417 },
2418 [CODA_IMX6Q] = {
2419 .firmware = {
2420 "vpu_fw_imx6q.bin",
2421 "vpu/vpu_fw_imx6q.bin",
2422 "v4l-coda960-imx6q.bin"
2423 },
2424 .product = CODA_960,
2425 .codecs = coda9_codecs,
2426 .num_codecs = ARRAY_SIZE(coda9_codecs),
2427 .vdevs = coda9_video_devices,
2428 .num_vdevs = ARRAY_SIZE(coda9_video_devices),
2429 .workbuf_size = 80 * 1024,
2430 .tempbuf_size = 204 * 1024,
2431 .iram_size = 0x21000,
2432 },
2433 [CODA_IMX6DL] = {
2434 .firmware = {
2435 "vpu_fw_imx6d.bin",
2436 "vpu/vpu_fw_imx6d.bin",
2437 "v4l-coda960-imx6dl.bin"
2438 },
2439 .product = CODA_960,
2440 .codecs = coda9_codecs,
2441 .num_codecs = ARRAY_SIZE(coda9_codecs),
2442 .vdevs = coda9_video_devices,
2443 .num_vdevs = ARRAY_SIZE(coda9_video_devices),
2444 .workbuf_size = 80 * 1024,
2445 .tempbuf_size = 204 * 1024,
2446 .iram_size = 0x1f000,
2447 },
2448};
2449
2450static const struct platform_device_id coda_platform_ids[] = {
2451 { .name = "coda-imx27", .driver_data = CODA_IMX27 },
2452 { }
2453};
2454MODULE_DEVICE_TABLE(platform, coda_platform_ids);
2455
2456#ifdef CONFIG_OF
2457static const struct of_device_id coda_dt_ids[] = {
2458 { .compatible = "fsl,imx27-vpu", .data = &coda_devdata[CODA_IMX27] },
2459 { .compatible = "fsl,imx53-vpu", .data = &coda_devdata[CODA_IMX53] },
2460 { .compatible = "fsl,imx6q-vpu", .data = &coda_devdata[CODA_IMX6Q] },
2461 { .compatible = "fsl,imx6dl-vpu", .data = &coda_devdata[CODA_IMX6DL] },
2462 { }
2463};
2464MODULE_DEVICE_TABLE(of, coda_dt_ids);
2465#endif
2466
2467static int coda_probe(struct platform_device *pdev)
2468{
2469 const struct of_device_id *of_id =
2470 of_match_device(of_match_ptr(coda_dt_ids), &pdev->dev);
2471 const struct platform_device_id *pdev_id;
2472 struct coda_platform_data *pdata = pdev->dev.platform_data;
2473 struct device_node *np = pdev->dev.of_node;
2474 struct gen_pool *pool;
2475 struct coda_dev *dev;
2476 struct resource *res;
2477 int ret, irq;
2478
2479 dev = devm_kzalloc(&pdev->dev, sizeof(*dev), GFP_KERNEL);
2480 if (!dev)
2481 return -ENOMEM;
2482
2483 pdev_id = of_id ? of_id->data : platform_get_device_id(pdev);
2484
2485 if (of_id)
2486 dev->devtype = of_id->data;
2487 else if (pdev_id)
2488 dev->devtype = &coda_devdata[pdev_id->driver_data];
2489 else
2490 return -EINVAL;
2491
2492 spin_lock_init(&dev->irqlock);
2493 INIT_LIST_HEAD(&dev->instances);
2494
2495 dev->plat_dev = pdev;
2496 dev->clk_per = devm_clk_get(&pdev->dev, "per");
2497 if (IS_ERR(dev->clk_per)) {
2498 dev_err(&pdev->dev, "Could not get per clock\n");
2499 return PTR_ERR(dev->clk_per);
2500 }
2501
2502 dev->clk_ahb = devm_clk_get(&pdev->dev, "ahb");
2503 if (IS_ERR(dev->clk_ahb)) {
2504 dev_err(&pdev->dev, "Could not get ahb clock\n");
2505 return PTR_ERR(dev->clk_ahb);
2506 }
2507
2508
2509 res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
2510 dev->regs_base = devm_ioremap_resource(&pdev->dev, res);
2511 if (IS_ERR(dev->regs_base))
2512 return PTR_ERR(dev->regs_base);
2513
2514
2515 irq = platform_get_irq_byname(pdev, "bit");
2516 if (irq < 0)
2517 irq = platform_get_irq(pdev, 0);
2518 if (irq < 0) {
2519 dev_err(&pdev->dev, "failed to get irq resource\n");
2520 return irq;
2521 }
2522
2523 ret = devm_request_threaded_irq(&pdev->dev, irq, NULL, coda_irq_handler,
2524 IRQF_ONESHOT, dev_name(&pdev->dev), dev);
2525 if (ret < 0) {
2526 dev_err(&pdev->dev, "failed to request irq: %d\n", ret);
2527 return ret;
2528 }
2529
2530 dev->rstc = devm_reset_control_get_optional_exclusive(&pdev->dev,
2531 NULL);
2532 if (IS_ERR(dev->rstc)) {
2533 ret = PTR_ERR(dev->rstc);
2534 dev_err(&pdev->dev, "failed get reset control: %d\n", ret);
2535 return ret;
2536 }
2537
2538
2539 pool = of_gen_pool_get(np, "iram", 0);
2540 if (!pool && pdata)
2541 pool = gen_pool_get(pdata->iram_dev, NULL);
2542 if (!pool) {
2543 dev_err(&pdev->dev, "iram pool not available\n");
2544 return -ENOMEM;
2545 }
2546 dev->iram_pool = pool;
2547
2548
2549 dev->vdoa = coda_get_vdoa_data();
2550 if (PTR_ERR(dev->vdoa) == -EPROBE_DEFER)
2551 return -EPROBE_DEFER;
2552
2553 ret = v4l2_device_register(&pdev->dev, &dev->v4l2_dev);
2554 if (ret)
2555 return ret;
2556
2557 mutex_init(&dev->dev_mutex);
2558 mutex_init(&dev->coda_mutex);
2559
2560 dev->debugfs_root = debugfs_create_dir("coda", NULL);
2561 if (!dev->debugfs_root)
2562 dev_warn(&pdev->dev, "failed to create debugfs root\n");
2563
2564
2565 if (dev->devtype->product == CODA_DX6) {
2566 ret = coda_alloc_aux_buf(dev, &dev->workbuf,
2567 dev->devtype->workbuf_size, "workbuf",
2568 dev->debugfs_root);
2569 if (ret < 0)
2570 goto err_v4l2_register;
2571 }
2572
2573 if (dev->devtype->tempbuf_size) {
2574 ret = coda_alloc_aux_buf(dev, &dev->tempbuf,
2575 dev->devtype->tempbuf_size, "tempbuf",
2576 dev->debugfs_root);
2577 if (ret < 0)
2578 goto err_v4l2_register;
2579 }
2580
2581 dev->iram.size = dev->devtype->iram_size;
2582 dev->iram.vaddr = gen_pool_dma_alloc(dev->iram_pool, dev->iram.size,
2583 &dev->iram.paddr);
2584 if (!dev->iram.vaddr) {
2585 dev_warn(&pdev->dev, "unable to alloc iram\n");
2586 } else {
2587 memset(dev->iram.vaddr, 0, dev->iram.size);
2588 dev->iram.blob.data = dev->iram.vaddr;
2589 dev->iram.blob.size = dev->iram.size;
2590 dev->iram.dentry = debugfs_create_blob("iram", 0644,
2591 dev->debugfs_root,
2592 &dev->iram.blob);
2593 }
2594
2595 dev->workqueue = alloc_workqueue("coda", WQ_UNBOUND | WQ_MEM_RECLAIM, 1);
2596 if (!dev->workqueue) {
2597 dev_err(&pdev->dev, "unable to alloc workqueue\n");
2598 ret = -ENOMEM;
2599 goto err_v4l2_register;
2600 }
2601
2602 platform_set_drvdata(pdev, dev);
2603
2604
2605
2606
2607
2608
2609 pm_runtime_get_noresume(&pdev->dev);
2610 pm_runtime_set_active(&pdev->dev);
2611 pm_runtime_enable(&pdev->dev);
2612
2613 ret = coda_firmware_request(dev);
2614 if (ret)
2615 goto err_alloc_workqueue;
2616 return 0;
2617
2618err_alloc_workqueue:
2619 destroy_workqueue(dev->workqueue);
2620err_v4l2_register:
2621 v4l2_device_unregister(&dev->v4l2_dev);
2622 return ret;
2623}
2624
2625static int coda_remove(struct platform_device *pdev)
2626{
2627 struct coda_dev *dev = platform_get_drvdata(pdev);
2628 int i;
2629
2630 for (i = 0; i < ARRAY_SIZE(dev->vfd); i++) {
2631 if (video_get_drvdata(&dev->vfd[i]))
2632 video_unregister_device(&dev->vfd[i]);
2633 }
2634 if (dev->m2m_dev)
2635 v4l2_m2m_release(dev->m2m_dev);
2636 pm_runtime_disable(&pdev->dev);
2637 v4l2_device_unregister(&dev->v4l2_dev);
2638 destroy_workqueue(dev->workqueue);
2639 if (dev->iram.vaddr)
2640 gen_pool_free(dev->iram_pool, (unsigned long)dev->iram.vaddr,
2641 dev->iram.size);
2642 coda_free_aux_buf(dev, &dev->codebuf);
2643 coda_free_aux_buf(dev, &dev->tempbuf);
2644 coda_free_aux_buf(dev, &dev->workbuf);
2645 debugfs_remove_recursive(dev->debugfs_root);
2646 return 0;
2647}
2648
2649#ifdef CONFIG_PM
2650static int coda_runtime_resume(struct device *dev)
2651{
2652 struct coda_dev *cdev = dev_get_drvdata(dev);
2653 int ret = 0;
2654
2655 if (dev->pm_domain && cdev->codebuf.vaddr) {
2656 ret = coda_hw_init(cdev);
2657 if (ret)
2658 v4l2_err(&cdev->v4l2_dev, "HW initialization failed\n");
2659 }
2660
2661 return ret;
2662}
2663#endif
2664
2665static const struct dev_pm_ops coda_pm_ops = {
2666 SET_RUNTIME_PM_OPS(NULL, coda_runtime_resume, NULL)
2667};
2668
2669static struct platform_driver coda_driver = {
2670 .probe = coda_probe,
2671 .remove = coda_remove,
2672 .driver = {
2673 .name = CODA_NAME,
2674 .of_match_table = of_match_ptr(coda_dt_ids),
2675 .pm = &coda_pm_ops,
2676 },
2677 .id_table = coda_platform_ids,
2678};
2679
2680module_platform_driver(coda_driver);
2681
2682MODULE_LICENSE("GPL");
2683MODULE_AUTHOR("Javier Martin <javier.martin@vista-silicon.com>");
2684MODULE_DESCRIPTION("Coda multi-standard codec V4L2 driver");
2685