1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * Coda multi-standard codec IP
5 * Copyright (C) 2012 Vista Silicon S.L.
6 * Javier Martin, <javier.martin@vista-silicon.com>
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>
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>
28 #include <linux/ratelimit.h>
29 #include <linux/reset.h>
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>
43 #define CODA_NAME "coda"
45 #define CODADX6_MAX_INSTANCES 4
46 #define CODA_MAX_FORMATS 5
48 #define CODA_ISRAM_SIZE (2048 * 2)
53 #define S_ALIGN 1 /* multiple of 2 */
54 #define W_ALIGN 1 /* multiple of 2 */
55 #define H_ALIGN 1 /* multiple of 2 */
57 #define fh_to_ctx(__fh) container_of(__fh, struct coda_ctx, fh)
60 module_param(coda_debug, int, 0644);
61 MODULE_PARM_DESC(coda_debug, "Debug level (0-2)");
63 static int disable_tiling;
64 module_param(disable_tiling, int, 0644);
65 MODULE_PARM_DESC(disable_tiling, "Disable tiled frame buffers");
67 static int disable_vdoa;
68 module_param(disable_vdoa, int, 0644);
69 MODULE_PARM_DESC(disable_vdoa, "Disable Video Data Order Adapter tiled to raster-scan conversion");
71 static int enable_bwb = 0;
72 module_param(enable_bwb, int, 0644);
73 MODULE_PARM_DESC(enable_bwb, "Enable BWB unit for decoding, may crash on certain streams");
75 void coda_write(struct coda_dev *dev, u32 data, u32 reg)
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);
82 unsigned int coda_read(struct coda_dev *dev, u32 reg)
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);
92 void coda_write_base(struct coda_ctx *ctx, struct coda_q_data *q_data,
93 struct vb2_v4l2_buffer *buf, unsigned int reg_y)
95 u32 base_y = vb2_dma_contig_plane_dma_addr(&buf->vb2_buf, 0);
98 switch (q_data->fourcc) {
99 case V4L2_PIX_FMT_YUYV:
100 /* Fallthrough: IN -H264-> CODA -NV12 MB-> VDOA -YUYV-> OUT */
101 case V4L2_PIX_FMT_NV12:
102 case V4L2_PIX_FMT_YUV420:
104 base_cb = base_y + q_data->bytesperline * q_data->height;
105 base_cr = base_cb + q_data->bytesperline * q_data->height / 4;
107 case V4L2_PIX_FMT_YVU420:
108 /* Switch Cb and Cr for YVU420 format */
109 base_cr = base_y + q_data->bytesperline * q_data->height;
110 base_cb = base_cr + q_data->bytesperline * q_data->height / 4;
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;
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);
122 #define CODA_CODEC(mode, src_fourcc, dst_fourcc, max_w, max_h) \
123 { mode, src_fourcc, dst_fourcc, max_w, max_h }
126 * Arrays of codecs supported by each given version of Coda:
131 * Use V4L2_PIX_FMT_YUV420 as placeholder for all supported YUV 4:2:0 variants
133 static 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),
138 static 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),
145 static 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),
155 static 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_ENCODE_MJPG, V4L2_PIX_FMT_YUV420, V4L2_PIX_FMT_JPEG, 8192, 8192),
159 CODA_CODEC(CODA9_MODE_DECODE_H264, V4L2_PIX_FMT_H264, V4L2_PIX_FMT_YUV420, 1920, 1088),
160 CODA_CODEC(CODA9_MODE_DECODE_MP2, V4L2_PIX_FMT_MPEG2, V4L2_PIX_FMT_YUV420, 1920, 1088),
161 CODA_CODEC(CODA9_MODE_DECODE_MP4, V4L2_PIX_FMT_MPEG4, V4L2_PIX_FMT_YUV420, 1920, 1088),
162 CODA_CODEC(CODA9_MODE_DECODE_MJPG, V4L2_PIX_FMT_JPEG, V4L2_PIX_FMT_YUV420, 8192, 8192),
165 struct coda_video_device {
167 enum coda_inst_type type;
168 const struct coda_context_ops *ops;
170 u32 src_formats[CODA_MAX_FORMATS];
171 u32 dst_formats[CODA_MAX_FORMATS];
174 static const struct coda_video_device coda_bit_encoder = {
175 .name = "coda-video-encoder",
176 .type = CODA_INST_ENCODER,
177 .ops = &coda_bit_encode_ops,
189 static const struct coda_video_device coda_bit_jpeg_encoder = {
190 .name = "coda-jpeg-encoder",
191 .type = CODA_INST_ENCODER,
192 .ops = &coda_bit_encode_ops,
197 V4L2_PIX_FMT_YUV422P,
204 static const struct coda_video_device coda_bit_decoder = {
205 .name = "coda-video-decoder",
206 .type = CODA_INST_DECODER,
207 .ops = &coda_bit_decode_ops,
218 * If V4L2_PIX_FMT_YUYV should be default,
219 * set_default_params() must be adjusted.
225 static const struct coda_video_device coda_bit_jpeg_decoder = {
226 .name = "coda-jpeg-decoder",
227 .type = CODA_INST_DECODER,
228 .ops = &coda_bit_decode_ops,
236 V4L2_PIX_FMT_YUV422P,
240 static const struct coda_video_device coda9_jpeg_encoder = {
241 .name = "coda-jpeg-encoder",
242 .type = CODA_INST_ENCODER,
243 .ops = &coda9_jpeg_encode_ops,
249 V4L2_PIX_FMT_YUV422P,
257 static const struct coda_video_device coda9_jpeg_decoder = {
258 .name = "coda-jpeg-decoder",
259 .type = CODA_INST_DECODER,
260 .ops = &coda9_jpeg_decode_ops,
269 V4L2_PIX_FMT_YUV422P,
273 static const struct coda_video_device *codadx6_video_devices[] = {
277 static const struct coda_video_device *codahx4_video_devices[] = {
282 static const struct coda_video_device *coda7_video_devices[] = {
283 &coda_bit_jpeg_encoder,
284 &coda_bit_jpeg_decoder,
289 static const struct coda_video_device *coda9_video_devices[] = {
297 * Normalize all supported YUV 4:2:0 formats to the value used in the codec
300 static u32 coda_format_normalize_yuv(u32 fourcc)
303 case V4L2_PIX_FMT_NV12:
304 case V4L2_PIX_FMT_YUV420:
305 case V4L2_PIX_FMT_YVU420:
306 case V4L2_PIX_FMT_YUV422P:
307 case V4L2_PIX_FMT_YUYV:
308 return V4L2_PIX_FMT_YUV420;
314 static const struct coda_codec *coda_find_codec(struct coda_dev *dev,
315 int src_fourcc, int dst_fourcc)
317 const struct coda_codec *codecs = dev->devtype->codecs;
318 int num_codecs = dev->devtype->num_codecs;
321 src_fourcc = coda_format_normalize_yuv(src_fourcc);
322 dst_fourcc = coda_format_normalize_yuv(dst_fourcc);
323 if (src_fourcc == dst_fourcc)
326 for (k = 0; k < num_codecs; k++) {
327 if (codecs[k].src_fourcc == src_fourcc &&
328 codecs[k].dst_fourcc == dst_fourcc)
338 static void coda_get_max_dimensions(struct coda_dev *dev,
339 const struct coda_codec *codec,
340 int *max_w, int *max_h)
342 const struct coda_codec *codecs = dev->devtype->codecs;
343 int num_codecs = dev->devtype->num_codecs;
351 for (k = 0, w = 0, h = 0; k < num_codecs; k++) {
352 w = max(w, codecs[k].max_w);
353 h = max(h, codecs[k].max_h);
363 static const struct coda_video_device *to_coda_video_device(struct video_device
366 struct coda_dev *dev = video_get_drvdata(vdev);
367 unsigned int i = vdev - dev->vfd;
369 if (i >= dev->devtype->num_vdevs)
372 return dev->devtype->vdevs[i];
375 const char *coda_product_name(int product)
389 snprintf(buf, sizeof(buf), "(0x%04x)", product);
394 static struct vdoa_data *coda_get_vdoa_data(void)
396 struct device_node *vdoa_node;
397 struct platform_device *vdoa_pdev;
398 struct vdoa_data *vdoa_data = NULL;
400 vdoa_node = of_find_compatible_node(NULL, NULL, "fsl,imx6q-vdoa");
404 vdoa_pdev = of_find_device_by_node(vdoa_node);
408 vdoa_data = platform_get_drvdata(vdoa_pdev);
410 vdoa_data = ERR_PTR(-EPROBE_DEFER);
412 put_device(&vdoa_pdev->dev);
414 of_node_put(vdoa_node);
420 * V4L2 ioctl() operations.
422 static int coda_querycap(struct file *file, void *priv,
423 struct v4l2_capability *cap)
425 struct coda_ctx *ctx = fh_to_ctx(priv);
427 strscpy(cap->driver, CODA_NAME, sizeof(cap->driver));
428 strscpy(cap->card, coda_product_name(ctx->dev->devtype->product),
430 strscpy(cap->bus_info, "platform:" CODA_NAME, sizeof(cap->bus_info));
434 static const u32 coda_formats_420[CODA_MAX_FORMATS] = {
440 static int coda_enum_fmt(struct file *file, void *priv,
441 struct v4l2_fmtdesc *f)
443 struct video_device *vdev = video_devdata(file);
444 const struct coda_video_device *cvd = to_coda_video_device(vdev);
445 struct coda_ctx *ctx = fh_to_ctx(priv);
448 if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT)
449 formats = cvd->src_formats;
450 else if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) {
451 struct coda_q_data *q_data_src;
452 struct vb2_queue *src_vq;
454 formats = cvd->dst_formats;
457 * If the source format is already fixed, only allow the same
458 * chroma subsampling.
460 q_data_src = get_q_data(ctx, V4L2_BUF_TYPE_VIDEO_OUTPUT);
461 src_vq = v4l2_m2m_get_vq(ctx->fh.m2m_ctx,
462 V4L2_BUF_TYPE_VIDEO_OUTPUT);
463 if (q_data_src->fourcc == V4L2_PIX_FMT_JPEG &&
464 vb2_is_streaming(src_vq)) {
465 if (ctx->params.jpeg_chroma_subsampling ==
466 V4L2_JPEG_CHROMA_SUBSAMPLING_420) {
467 formats = coda_formats_420;
468 } else if (ctx->params.jpeg_chroma_subsampling ==
469 V4L2_JPEG_CHROMA_SUBSAMPLING_422) {
470 f->pixelformat = V4L2_PIX_FMT_YUV422P;
471 return f->index ? -EINVAL : 0;
478 if (f->index >= CODA_MAX_FORMATS || formats[f->index] == 0)
481 /* Skip YUYV if the vdoa is not available */
482 if (!ctx->vdoa && f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE &&
483 formats[f->index] == V4L2_PIX_FMT_YUYV)
486 f->pixelformat = formats[f->index];
491 static int coda_g_fmt(struct file *file, void *priv,
492 struct v4l2_format *f)
494 struct coda_q_data *q_data;
495 struct coda_ctx *ctx = fh_to_ctx(priv);
497 q_data = get_q_data(ctx, f->type);
501 f->fmt.pix.field = V4L2_FIELD_NONE;
502 f->fmt.pix.pixelformat = q_data->fourcc;
503 f->fmt.pix.width = q_data->width;
504 f->fmt.pix.height = q_data->height;
505 f->fmt.pix.bytesperline = q_data->bytesperline;
507 f->fmt.pix.sizeimage = q_data->sizeimage;
508 f->fmt.pix.colorspace = ctx->colorspace;
509 f->fmt.pix.xfer_func = ctx->xfer_func;
510 f->fmt.pix.ycbcr_enc = ctx->ycbcr_enc;
511 f->fmt.pix.quantization = ctx->quantization;
516 static int coda_try_pixelformat(struct coda_ctx *ctx, struct v4l2_format *f)
518 struct coda_q_data *q_data;
522 if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT)
523 formats = ctx->cvd->src_formats;
524 else if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE)
525 formats = ctx->cvd->dst_formats;
529 for (i = 0; i < CODA_MAX_FORMATS; i++) {
530 /* Skip YUYV if the vdoa is not available */
531 if (!ctx->vdoa && f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE &&
532 formats[i] == V4L2_PIX_FMT_YUYV)
535 if (formats[i] == f->fmt.pix.pixelformat) {
536 f->fmt.pix.pixelformat = formats[i];
541 /* Fall back to currently set pixelformat */
542 q_data = get_q_data(ctx, f->type);
543 f->fmt.pix.pixelformat = q_data->fourcc;
548 static int coda_try_fmt_vdoa(struct coda_ctx *ctx, struct v4l2_format *f,
553 if (f->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
564 err = vdoa_context_configure(NULL, round_up(f->fmt.pix.width, 16),
565 f->fmt.pix.height, f->fmt.pix.pixelformat);
575 static unsigned int coda_estimate_sizeimage(struct coda_ctx *ctx, u32 sizeimage,
576 u32 width, u32 height)
579 * This is a rough estimate for sensible compressed buffer
580 * sizes (between 1 and 16 bits per pixel). This could be
581 * improved by better format specific worst case estimates.
583 return round_up(clamp(sizeimage, width * height / 8,
584 width * height * 2), PAGE_SIZE);
587 static int coda_try_fmt(struct coda_ctx *ctx, const struct coda_codec *codec,
588 struct v4l2_format *f)
590 struct coda_dev *dev = ctx->dev;
591 unsigned int max_w, max_h;
592 enum v4l2_field field;
594 field = f->fmt.pix.field;
595 if (field == V4L2_FIELD_ANY)
596 field = V4L2_FIELD_NONE;
597 else if (V4L2_FIELD_NONE != field)
600 /* V4L2 specification suggests the driver corrects the format struct
601 * if any of the dimensions is unsupported */
602 f->fmt.pix.field = field;
604 coda_get_max_dimensions(dev, codec, &max_w, &max_h);
605 v4l_bound_align_image(&f->fmt.pix.width, MIN_W, max_w, W_ALIGN,
606 &f->fmt.pix.height, MIN_H, max_h, H_ALIGN,
609 switch (f->fmt.pix.pixelformat) {
610 case V4L2_PIX_FMT_NV12:
611 case V4L2_PIX_FMT_YUV420:
612 case V4L2_PIX_FMT_YVU420:
614 * Frame stride must be at least multiple of 8,
615 * but multiple of 16 for h.264 or JPEG 4:2:x
617 f->fmt.pix.bytesperline = round_up(f->fmt.pix.width, 16);
618 f->fmt.pix.sizeimage = f->fmt.pix.bytesperline *
619 f->fmt.pix.height * 3 / 2;
621 case V4L2_PIX_FMT_YUYV:
622 f->fmt.pix.bytesperline = round_up(f->fmt.pix.width, 16) * 2;
623 f->fmt.pix.sizeimage = f->fmt.pix.bytesperline *
626 case V4L2_PIX_FMT_YUV422P:
627 f->fmt.pix.bytesperline = round_up(f->fmt.pix.width, 16);
628 f->fmt.pix.sizeimage = f->fmt.pix.bytesperline *
629 f->fmt.pix.height * 2;
631 case V4L2_PIX_FMT_GREY:
632 /* keep 16 pixel alignment of 8-bit pixel data */
633 f->fmt.pix.bytesperline = round_up(f->fmt.pix.width, 16);
634 f->fmt.pix.sizeimage = f->fmt.pix.bytesperline * f->fmt.pix.height;
636 case V4L2_PIX_FMT_JPEG:
637 case V4L2_PIX_FMT_H264:
638 case V4L2_PIX_FMT_MPEG4:
639 case V4L2_PIX_FMT_MPEG2:
640 f->fmt.pix.bytesperline = 0;
641 f->fmt.pix.sizeimage = coda_estimate_sizeimage(ctx,
642 f->fmt.pix.sizeimage,
653 static int coda_try_fmt_vid_cap(struct file *file, void *priv,
654 struct v4l2_format *f)
656 struct coda_ctx *ctx = fh_to_ctx(priv);
657 const struct coda_q_data *q_data_src;
658 const struct coda_codec *codec;
659 struct vb2_queue *src_vq;
663 ret = coda_try_pixelformat(ctx, f);
667 q_data_src = get_q_data(ctx, V4L2_BUF_TYPE_VIDEO_OUTPUT);
670 * If the source format is already fixed, only allow the same output
671 * resolution. When decoding JPEG images, we also have to make sure to
672 * use the same chroma subsampling.
674 src_vq = v4l2_m2m_get_vq(ctx->fh.m2m_ctx, V4L2_BUF_TYPE_VIDEO_OUTPUT);
675 if (vb2_is_streaming(src_vq)) {
676 f->fmt.pix.width = q_data_src->width;
677 f->fmt.pix.height = q_data_src->height;
679 if (q_data_src->fourcc == V4L2_PIX_FMT_JPEG) {
680 if (ctx->params.jpeg_chroma_subsampling ==
681 V4L2_JPEG_CHROMA_SUBSAMPLING_420 &&
682 f->fmt.pix.pixelformat == V4L2_PIX_FMT_YUV422P)
683 f->fmt.pix.pixelformat = V4L2_PIX_FMT_NV12;
684 else if (ctx->params.jpeg_chroma_subsampling ==
685 V4L2_JPEG_CHROMA_SUBSAMPLING_422)
686 f->fmt.pix.pixelformat = V4L2_PIX_FMT_YUV422P;
690 f->fmt.pix.colorspace = ctx->colorspace;
691 f->fmt.pix.xfer_func = ctx->xfer_func;
692 f->fmt.pix.ycbcr_enc = ctx->ycbcr_enc;
693 f->fmt.pix.quantization = ctx->quantization;
695 q_data_src = get_q_data(ctx, V4L2_BUF_TYPE_VIDEO_OUTPUT);
696 codec = coda_find_codec(ctx->dev, q_data_src->fourcc,
697 f->fmt.pix.pixelformat);
701 ret = coda_try_fmt(ctx, codec, f);
705 /* The decoders always write complete macroblocks or MCUs */
706 if (ctx->inst_type == CODA_INST_DECODER) {
707 f->fmt.pix.bytesperline = round_up(f->fmt.pix.width, 16);
708 f->fmt.pix.height = round_up(f->fmt.pix.height, 16);
709 if (codec->src_fourcc == V4L2_PIX_FMT_JPEG &&
710 f->fmt.pix.pixelformat == V4L2_PIX_FMT_YUV422P) {
711 f->fmt.pix.sizeimage = f->fmt.pix.bytesperline *
712 f->fmt.pix.height * 2;
714 f->fmt.pix.sizeimage = f->fmt.pix.bytesperline *
715 f->fmt.pix.height * 3 / 2;
718 ret = coda_try_fmt_vdoa(ctx, f, &use_vdoa);
722 if (f->fmt.pix.pixelformat == V4L2_PIX_FMT_YUYV) {
726 f->fmt.pix.bytesperline = round_up(f->fmt.pix.width, 16) * 2;
727 f->fmt.pix.sizeimage = f->fmt.pix.bytesperline *
735 static void coda_set_default_colorspace(struct v4l2_pix_format *fmt)
737 enum v4l2_colorspace colorspace;
739 if (fmt->pixelformat == V4L2_PIX_FMT_JPEG)
740 colorspace = V4L2_COLORSPACE_JPEG;
741 else if (fmt->width <= 720 && fmt->height <= 576)
742 colorspace = V4L2_COLORSPACE_SMPTE170M;
744 colorspace = V4L2_COLORSPACE_REC709;
746 fmt->colorspace = colorspace;
747 fmt->xfer_func = V4L2_XFER_FUNC_DEFAULT;
748 fmt->ycbcr_enc = V4L2_YCBCR_ENC_DEFAULT;
749 fmt->quantization = V4L2_QUANTIZATION_DEFAULT;
752 static int coda_try_fmt_vid_out(struct file *file, void *priv,
753 struct v4l2_format *f)
755 struct coda_ctx *ctx = fh_to_ctx(priv);
756 struct coda_dev *dev = ctx->dev;
757 const struct coda_q_data *q_data_dst;
758 const struct coda_codec *codec;
761 ret = coda_try_pixelformat(ctx, f);
765 if (f->fmt.pix.colorspace == V4L2_COLORSPACE_DEFAULT)
766 coda_set_default_colorspace(&f->fmt.pix);
768 q_data_dst = get_q_data(ctx, V4L2_BUF_TYPE_VIDEO_CAPTURE);
769 codec = coda_find_codec(dev, f->fmt.pix.pixelformat, q_data_dst->fourcc);
771 return coda_try_fmt(ctx, codec, f);
774 static int coda_s_fmt(struct coda_ctx *ctx, struct v4l2_format *f,
777 struct coda_q_data *q_data;
778 struct vb2_queue *vq;
780 vq = v4l2_m2m_get_vq(ctx->fh.m2m_ctx, f->type);
784 q_data = get_q_data(ctx, f->type);
788 if (vb2_is_busy(vq)) {
789 v4l2_err(&ctx->dev->v4l2_dev, "%s: %s queue busy: %d\n",
790 __func__, v4l2_type_names[f->type], vq->num_buffers);
794 q_data->fourcc = f->fmt.pix.pixelformat;
795 q_data->width = f->fmt.pix.width;
796 q_data->height = f->fmt.pix.height;
797 q_data->bytesperline = f->fmt.pix.bytesperline;
798 q_data->sizeimage = f->fmt.pix.sizeimage;
802 q_data->rect.left = 0;
803 q_data->rect.top = 0;
804 q_data->rect.width = f->fmt.pix.width;
805 q_data->rect.height = f->fmt.pix.height;
808 switch (f->fmt.pix.pixelformat) {
809 case V4L2_PIX_FMT_YUYV:
810 ctx->tiled_map_type = GDI_TILED_FRAME_MB_RASTER_MAP;
812 case V4L2_PIX_FMT_NV12:
813 if (!disable_tiling && ctx->use_bit &&
814 ctx->dev->devtype->product == CODA_960) {
815 ctx->tiled_map_type = GDI_TILED_FRAME_MB_RASTER_MAP;
819 case V4L2_PIX_FMT_YUV420:
820 case V4L2_PIX_FMT_YVU420:
821 case V4L2_PIX_FMT_YUV422P:
822 ctx->tiled_map_type = GDI_LINEAR_FRAME_MAP;
828 if (ctx->tiled_map_type == GDI_TILED_FRAME_MB_RASTER_MAP &&
829 !coda_try_fmt_vdoa(ctx, f, &ctx->use_vdoa) &&
831 vdoa_context_configure(ctx->vdoa,
832 round_up(f->fmt.pix.width, 16),
834 f->fmt.pix.pixelformat);
836 ctx->use_vdoa = false;
838 coda_dbg(1, ctx, "Setting %s format, wxh: %dx%d, fmt: %4.4s %c\n",
839 v4l2_type_names[f->type], q_data->width, q_data->height,
840 (char *)&q_data->fourcc,
841 (ctx->tiled_map_type == GDI_LINEAR_FRAME_MAP) ? 'L' : 'T');
846 static int coda_s_fmt_vid_cap(struct file *file, void *priv,
847 struct v4l2_format *f)
849 struct coda_ctx *ctx = fh_to_ctx(priv);
850 struct coda_q_data *q_data_src;
851 const struct coda_codec *codec;
855 ret = coda_try_fmt_vid_cap(file, priv, f);
859 q_data_src = get_q_data(ctx, V4L2_BUF_TYPE_VIDEO_OUTPUT);
862 r.width = q_data_src->width;
863 r.height = q_data_src->height;
865 ret = coda_s_fmt(ctx, f, &r);
869 if (ctx->inst_type != CODA_INST_ENCODER)
872 /* Setting the coded format determines the selected codec */
873 codec = coda_find_codec(ctx->dev, q_data_src->fourcc,
874 f->fmt.pix.pixelformat);
876 v4l2_err(&ctx->dev->v4l2_dev, "failed to determine codec\n");
881 ctx->colorspace = f->fmt.pix.colorspace;
882 ctx->xfer_func = f->fmt.pix.xfer_func;
883 ctx->ycbcr_enc = f->fmt.pix.ycbcr_enc;
884 ctx->quantization = f->fmt.pix.quantization;
889 static int coda_s_fmt_vid_out(struct file *file, void *priv,
890 struct v4l2_format *f)
892 struct coda_ctx *ctx = fh_to_ctx(priv);
893 const struct coda_codec *codec;
894 struct v4l2_format f_cap;
895 struct vb2_queue *dst_vq;
898 ret = coda_try_fmt_vid_out(file, priv, f);
902 ret = coda_s_fmt(ctx, f, NULL);
906 ctx->colorspace = f->fmt.pix.colorspace;
907 ctx->xfer_func = f->fmt.pix.xfer_func;
908 ctx->ycbcr_enc = f->fmt.pix.ycbcr_enc;
909 ctx->quantization = f->fmt.pix.quantization;
911 if (ctx->inst_type != CODA_INST_DECODER)
914 /* Setting the coded format determines the selected codec */
915 codec = coda_find_codec(ctx->dev, f->fmt.pix.pixelformat,
916 V4L2_PIX_FMT_YUV420);
918 v4l2_err(&ctx->dev->v4l2_dev, "failed to determine codec\n");
923 dst_vq = v4l2_m2m_get_vq(ctx->fh.m2m_ctx, V4L2_BUF_TYPE_VIDEO_CAPTURE);
928 * Setting the capture queue format is not possible while the capture
929 * queue is still busy. This is not an error, but the user will have to
930 * make sure themselves that the capture format is set correctly before
931 * starting the output queue again.
933 if (vb2_is_busy(dst_vq))
936 memset(&f_cap, 0, sizeof(f_cap));
937 f_cap.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
938 coda_g_fmt(file, priv, &f_cap);
939 f_cap.fmt.pix.width = f->fmt.pix.width;
940 f_cap.fmt.pix.height = f->fmt.pix.height;
942 return coda_s_fmt_vid_cap(file, priv, &f_cap);
945 static int coda_reqbufs(struct file *file, void *priv,
946 struct v4l2_requestbuffers *rb)
948 struct coda_ctx *ctx = fh_to_ctx(priv);
951 ret = v4l2_m2m_reqbufs(file, ctx->fh.m2m_ctx, rb);
956 * Allow to allocate instance specific per-context buffers, such as
957 * bitstream ringbuffer, slice buffer, work buffer, etc. if needed.
959 if (rb->type == V4L2_BUF_TYPE_VIDEO_OUTPUT && ctx->ops->reqbufs)
960 return ctx->ops->reqbufs(ctx, rb);
965 static int coda_qbuf(struct file *file, void *priv,
966 struct v4l2_buffer *buf)
968 struct coda_ctx *ctx = fh_to_ctx(priv);
970 if (ctx->inst_type == CODA_INST_DECODER &&
971 buf->type == V4L2_BUF_TYPE_VIDEO_OUTPUT)
972 buf->flags &= ~V4L2_BUF_FLAG_LAST;
974 return v4l2_m2m_qbuf(file, ctx->fh.m2m_ctx, buf);
977 static int coda_dqbuf(struct file *file, void *priv, struct v4l2_buffer *buf)
979 struct coda_ctx *ctx = fh_to_ctx(priv);
982 ret = v4l2_m2m_dqbuf(file, ctx->fh.m2m_ctx, buf);
984 if (ctx->inst_type == CODA_INST_DECODER &&
985 buf->type == V4L2_BUF_TYPE_VIDEO_OUTPUT)
986 buf->flags &= ~V4L2_BUF_FLAG_LAST;
991 void coda_m2m_buf_done(struct coda_ctx *ctx, struct vb2_v4l2_buffer *buf,
992 enum vb2_buffer_state state)
994 const struct v4l2_event eos_event = {
995 .type = V4L2_EVENT_EOS
998 if (buf->flags & V4L2_BUF_FLAG_LAST)
999 v4l2_event_queue_fh(&ctx->fh, &eos_event);
1001 v4l2_m2m_buf_done(buf, state);
1004 static int coda_g_selection(struct file *file, void *fh,
1005 struct v4l2_selection *s)
1007 struct coda_ctx *ctx = fh_to_ctx(fh);
1008 struct coda_q_data *q_data;
1009 struct v4l2_rect r, *rsel;
1011 q_data = get_q_data(ctx, s->type);
1017 r.width = q_data->width;
1018 r.height = q_data->height;
1019 rsel = &q_data->rect;
1021 switch (s->target) {
1022 case V4L2_SEL_TGT_CROP_DEFAULT:
1023 case V4L2_SEL_TGT_CROP_BOUNDS:
1026 case V4L2_SEL_TGT_CROP:
1027 if (s->type != V4L2_BUF_TYPE_VIDEO_OUTPUT ||
1028 ctx->inst_type == CODA_INST_DECODER)
1031 case V4L2_SEL_TGT_COMPOSE_BOUNDS:
1032 case V4L2_SEL_TGT_COMPOSE_PADDED:
1035 case V4L2_SEL_TGT_COMPOSE:
1036 case V4L2_SEL_TGT_COMPOSE_DEFAULT:
1037 if (s->type != V4L2_BUF_TYPE_VIDEO_CAPTURE ||
1038 ctx->inst_type == CODA_INST_ENCODER)
1050 static int coda_s_selection(struct file *file, void *fh,
1051 struct v4l2_selection *s)
1053 struct coda_ctx *ctx = fh_to_ctx(fh);
1054 struct coda_q_data *q_data;
1056 switch (s->target) {
1057 case V4L2_SEL_TGT_CROP:
1058 if (ctx->inst_type == CODA_INST_ENCODER &&
1059 s->type == V4L2_BUF_TYPE_VIDEO_OUTPUT) {
1060 q_data = get_q_data(ctx, s->type);
1066 s->r.width = clamp(s->r.width, 2U, q_data->width);
1067 s->r.height = clamp(s->r.height, 2U, q_data->height);
1069 if (s->flags & V4L2_SEL_FLAG_LE) {
1070 s->r.width = round_up(s->r.width, 2);
1071 s->r.height = round_up(s->r.height, 2);
1073 s->r.width = round_down(s->r.width, 2);
1074 s->r.height = round_down(s->r.height, 2);
1077 q_data->rect = s->r;
1079 coda_dbg(1, ctx, "Setting crop rectangle: %dx%d\n",
1080 s->r.width, s->r.height);
1085 case V4L2_SEL_TGT_NATIVE_SIZE:
1086 case V4L2_SEL_TGT_COMPOSE:
1087 return coda_g_selection(file, fh, s);
1089 /* v4l2-compliance expects this to fail for read-only targets */
1094 static int coda_try_encoder_cmd(struct file *file, void *fh,
1095 struct v4l2_encoder_cmd *ec)
1097 struct coda_ctx *ctx = fh_to_ctx(fh);
1099 if (ctx->inst_type != CODA_INST_ENCODER)
1102 return v4l2_m2m_ioctl_try_encoder_cmd(file, fh, ec);
1105 static void coda_wake_up_capture_queue(struct coda_ctx *ctx)
1107 struct vb2_queue *dst_vq;
1109 coda_dbg(1, ctx, "waking up capture queue\n");
1111 dst_vq = v4l2_m2m_get_vq(ctx->fh.m2m_ctx, V4L2_BUF_TYPE_VIDEO_CAPTURE);
1112 dst_vq->last_buffer_dequeued = true;
1113 wake_up(&dst_vq->done_wq);
1116 static int coda_encoder_cmd(struct file *file, void *fh,
1117 struct v4l2_encoder_cmd *ec)
1119 struct coda_ctx *ctx = fh_to_ctx(fh);
1120 struct vb2_v4l2_buffer *buf;
1123 ret = coda_try_encoder_cmd(file, fh, ec);
1127 mutex_lock(&ctx->wakeup_mutex);
1128 buf = v4l2_m2m_last_src_buf(ctx->fh.m2m_ctx);
1131 * If the last output buffer is still on the queue, make sure
1132 * that decoder finish_run will see the last flag and report it
1135 buf->flags |= V4L2_BUF_FLAG_LAST;
1137 /* Set the stream-end flag on this context */
1138 ctx->bit_stream_param |= CODA_BIT_STREAM_END_FLAG;
1141 * If the last output buffer has already been taken from the
1142 * queue, wake up the capture queue and signal end of stream
1143 * via the -EPIPE mechanism.
1145 coda_wake_up_capture_queue(ctx);
1147 mutex_unlock(&ctx->wakeup_mutex);
1152 static int coda_try_decoder_cmd(struct file *file, void *fh,
1153 struct v4l2_decoder_cmd *dc)
1155 struct coda_ctx *ctx = fh_to_ctx(fh);
1157 if (ctx->inst_type != CODA_INST_DECODER)
1160 return v4l2_m2m_ioctl_try_decoder_cmd(file, fh, dc);
1163 static bool coda_mark_last_meta(struct coda_ctx *ctx)
1165 struct coda_buffer_meta *meta;
1167 coda_dbg(1, ctx, "marking last meta\n");
1169 spin_lock(&ctx->buffer_meta_lock);
1170 if (list_empty(&ctx->buffer_meta_list)) {
1171 spin_unlock(&ctx->buffer_meta_lock);
1175 meta = list_last_entry(&ctx->buffer_meta_list, struct coda_buffer_meta,
1179 spin_unlock(&ctx->buffer_meta_lock);
1183 static bool coda_mark_last_dst_buf(struct coda_ctx *ctx)
1185 struct vb2_v4l2_buffer *buf;
1186 struct vb2_buffer *dst_vb;
1187 struct vb2_queue *dst_vq;
1188 unsigned long flags;
1190 coda_dbg(1, ctx, "marking last capture buffer\n");
1192 dst_vq = v4l2_m2m_get_vq(ctx->fh.m2m_ctx, V4L2_BUF_TYPE_VIDEO_CAPTURE);
1193 spin_lock_irqsave(&dst_vq->done_lock, flags);
1194 if (list_empty(&dst_vq->done_list)) {
1195 spin_unlock_irqrestore(&dst_vq->done_lock, flags);
1199 dst_vb = list_last_entry(&dst_vq->done_list, struct vb2_buffer,
1201 buf = to_vb2_v4l2_buffer(dst_vb);
1202 buf->flags |= V4L2_BUF_FLAG_LAST;
1204 spin_unlock_irqrestore(&dst_vq->done_lock, flags);
1208 static int coda_decoder_cmd(struct file *file, void *fh,
1209 struct v4l2_decoder_cmd *dc)
1211 struct coda_ctx *ctx = fh_to_ctx(fh);
1212 struct coda_dev *dev = ctx->dev;
1213 struct vb2_v4l2_buffer *buf;
1214 struct vb2_queue *dst_vq;
1219 ret = coda_try_decoder_cmd(file, fh, dc);
1224 case V4L2_DEC_CMD_START:
1225 mutex_lock(&dev->coda_mutex);
1226 mutex_lock(&ctx->bitstream_mutex);
1227 coda_bitstream_flush(ctx);
1228 dst_vq = v4l2_m2m_get_vq(ctx->fh.m2m_ctx,
1229 V4L2_BUF_TYPE_VIDEO_CAPTURE);
1230 vb2_clear_last_buffer_dequeued(dst_vq);
1231 ctx->bit_stream_param &= ~CODA_BIT_STREAM_END_FLAG;
1232 coda_fill_bitstream(ctx, NULL);
1233 mutex_unlock(&ctx->bitstream_mutex);
1234 mutex_unlock(&dev->coda_mutex);
1236 case V4L2_DEC_CMD_STOP:
1240 mutex_lock(&ctx->wakeup_mutex);
1242 buf = v4l2_m2m_last_src_buf(ctx->fh.m2m_ctx);
1244 coda_dbg(1, ctx, "marking last pending buffer\n");
1246 /* Mark last buffer */
1247 buf->flags |= V4L2_BUF_FLAG_LAST;
1249 if (v4l2_m2m_num_src_bufs_ready(ctx->fh.m2m_ctx) == 0) {
1250 coda_dbg(1, ctx, "all remaining buffers queued\n");
1255 if (coda_mark_last_meta(ctx))
1260 if (!coda_mark_last_dst_buf(ctx))
1265 coda_dbg(1, ctx, "all remaining buffers queued\n");
1267 /* Set the stream-end flag on this context */
1268 coda_bit_stream_end_flag(ctx);
1270 v4l2_m2m_try_schedule(ctx->fh.m2m_ctx);
1274 /* If there is no buffer in flight, wake up */
1275 coda_wake_up_capture_queue(ctx);
1278 mutex_unlock(&ctx->wakeup_mutex);
1287 static int coda_enum_framesizes(struct file *file, void *fh,
1288 struct v4l2_frmsizeenum *fsize)
1290 struct coda_ctx *ctx = fh_to_ctx(fh);
1291 struct coda_q_data *q_data_dst;
1292 const struct coda_codec *codec;
1294 if (ctx->inst_type != CODA_INST_ENCODER)
1300 if (coda_format_normalize_yuv(fsize->pixel_format) ==
1301 V4L2_PIX_FMT_YUV420) {
1302 q_data_dst = get_q_data(ctx, V4L2_BUF_TYPE_VIDEO_CAPTURE);
1303 codec = coda_find_codec(ctx->dev, fsize->pixel_format,
1304 q_data_dst->fourcc);
1306 codec = coda_find_codec(ctx->dev, V4L2_PIX_FMT_YUV420,
1307 fsize->pixel_format);
1312 fsize->type = V4L2_FRMSIZE_TYPE_CONTINUOUS;
1313 fsize->stepwise.min_width = MIN_W;
1314 fsize->stepwise.max_width = codec->max_w;
1315 fsize->stepwise.step_width = 1;
1316 fsize->stepwise.min_height = MIN_H;
1317 fsize->stepwise.max_height = codec->max_h;
1318 fsize->stepwise.step_height = 1;
1323 static int coda_enum_frameintervals(struct file *file, void *fh,
1324 struct v4l2_frmivalenum *f)
1326 struct coda_ctx *ctx = fh_to_ctx(fh);
1332 /* Disallow YUYV if the vdoa is not available */
1333 if (!ctx->vdoa && f->pixel_format == V4L2_PIX_FMT_YUYV)
1336 for (i = 0; i < CODA_MAX_FORMATS; i++) {
1337 if (f->pixel_format == ctx->cvd->src_formats[i] ||
1338 f->pixel_format == ctx->cvd->dst_formats[i])
1341 if (i == CODA_MAX_FORMATS)
1344 f->type = V4L2_FRMIVAL_TYPE_CONTINUOUS;
1345 f->stepwise.min.numerator = 1;
1346 f->stepwise.min.denominator = 65535;
1347 f->stepwise.max.numerator = 65536;
1348 f->stepwise.max.denominator = 1;
1349 f->stepwise.step.numerator = 1;
1350 f->stepwise.step.denominator = 1;
1355 static int coda_g_parm(struct file *file, void *fh, struct v4l2_streamparm *a)
1357 struct coda_ctx *ctx = fh_to_ctx(fh);
1358 struct v4l2_fract *tpf;
1360 if (a->type != V4L2_BUF_TYPE_VIDEO_OUTPUT)
1363 a->parm.output.capability = V4L2_CAP_TIMEPERFRAME;
1364 tpf = &a->parm.output.timeperframe;
1365 tpf->denominator = ctx->params.framerate & CODA_FRATE_RES_MASK;
1366 tpf->numerator = 1 + (ctx->params.framerate >>
1367 CODA_FRATE_DIV_OFFSET);
1373 * Approximate timeperframe v4l2_fract with values that can be written
1374 * into the 16-bit CODA_FRATE_DIV and CODA_FRATE_RES fields.
1376 static void coda_approximate_timeperframe(struct v4l2_fract *timeperframe)
1378 struct v4l2_fract s = *timeperframe;
1379 struct v4l2_fract f0;
1380 struct v4l2_fract f1 = { 1, 0 };
1381 struct v4l2_fract f2 = { 0, 1 };
1382 unsigned int i, div, s_denominator;
1384 /* Lower bound is 1/65535 */
1385 if (s.numerator == 0 || s.denominator / s.numerator > 65535) {
1386 timeperframe->numerator = 1;
1387 timeperframe->denominator = 65535;
1391 /* Upper bound is 65536/1 */
1392 if (s.denominator == 0 || s.numerator / s.denominator > 65536) {
1393 timeperframe->numerator = 65536;
1394 timeperframe->denominator = 1;
1398 /* Reduce fraction to lowest terms */
1399 div = gcd(s.numerator, s.denominator);
1402 s.denominator /= div;
1405 if (s.numerator <= 65536 && s.denominator < 65536) {
1410 /* Find successive convergents from continued fraction expansion */
1411 while (f2.numerator <= 65536 && f2.denominator < 65536) {
1415 /* Stop when f2 exactly equals timeperframe */
1416 if (s.numerator == 0)
1419 i = s.denominator / s.numerator;
1421 f2.numerator = f0.numerator + i * f1.numerator;
1422 f2.denominator = f0.denominator + i * f2.denominator;
1424 s_denominator = s.numerator;
1425 s.numerator = s.denominator % s.numerator;
1426 s.denominator = s_denominator;
1432 static uint32_t coda_timeperframe_to_frate(struct v4l2_fract *timeperframe)
1434 return ((timeperframe->numerator - 1) << CODA_FRATE_DIV_OFFSET) |
1435 timeperframe->denominator;
1438 static int coda_s_parm(struct file *file, void *fh, struct v4l2_streamparm *a)
1440 struct coda_ctx *ctx = fh_to_ctx(fh);
1441 struct v4l2_fract *tpf;
1443 if (a->type != V4L2_BUF_TYPE_VIDEO_OUTPUT)
1446 a->parm.output.capability = V4L2_CAP_TIMEPERFRAME;
1447 tpf = &a->parm.output.timeperframe;
1448 coda_approximate_timeperframe(tpf);
1449 ctx->params.framerate = coda_timeperframe_to_frate(tpf);
1450 ctx->params.framerate_changed = true;
1455 static int coda_subscribe_event(struct v4l2_fh *fh,
1456 const struct v4l2_event_subscription *sub)
1458 struct coda_ctx *ctx = fh_to_ctx(fh);
1460 switch (sub->type) {
1461 case V4L2_EVENT_EOS:
1462 return v4l2_event_subscribe(fh, sub, 0, NULL);
1463 case V4L2_EVENT_SOURCE_CHANGE:
1464 if (ctx->inst_type == CODA_INST_DECODER)
1465 return v4l2_event_subscribe(fh, sub, 0, NULL);
1469 return v4l2_ctrl_subscribe_event(fh, sub);
1473 static const struct v4l2_ioctl_ops coda_ioctl_ops = {
1474 .vidioc_querycap = coda_querycap,
1476 .vidioc_enum_fmt_vid_cap = coda_enum_fmt,
1477 .vidioc_g_fmt_vid_cap = coda_g_fmt,
1478 .vidioc_try_fmt_vid_cap = coda_try_fmt_vid_cap,
1479 .vidioc_s_fmt_vid_cap = coda_s_fmt_vid_cap,
1481 .vidioc_enum_fmt_vid_out = coda_enum_fmt,
1482 .vidioc_g_fmt_vid_out = coda_g_fmt,
1483 .vidioc_try_fmt_vid_out = coda_try_fmt_vid_out,
1484 .vidioc_s_fmt_vid_out = coda_s_fmt_vid_out,
1486 .vidioc_reqbufs = coda_reqbufs,
1487 .vidioc_querybuf = v4l2_m2m_ioctl_querybuf,
1489 .vidioc_qbuf = coda_qbuf,
1490 .vidioc_expbuf = v4l2_m2m_ioctl_expbuf,
1491 .vidioc_dqbuf = coda_dqbuf,
1492 .vidioc_create_bufs = v4l2_m2m_ioctl_create_bufs,
1493 .vidioc_prepare_buf = v4l2_m2m_ioctl_prepare_buf,
1495 .vidioc_streamon = v4l2_m2m_ioctl_streamon,
1496 .vidioc_streamoff = v4l2_m2m_ioctl_streamoff,
1498 .vidioc_g_selection = coda_g_selection,
1499 .vidioc_s_selection = coda_s_selection,
1501 .vidioc_try_encoder_cmd = coda_try_encoder_cmd,
1502 .vidioc_encoder_cmd = coda_encoder_cmd,
1503 .vidioc_try_decoder_cmd = coda_try_decoder_cmd,
1504 .vidioc_decoder_cmd = coda_decoder_cmd,
1506 .vidioc_g_parm = coda_g_parm,
1507 .vidioc_s_parm = coda_s_parm,
1509 .vidioc_enum_framesizes = coda_enum_framesizes,
1510 .vidioc_enum_frameintervals = coda_enum_frameintervals,
1512 .vidioc_subscribe_event = coda_subscribe_event,
1513 .vidioc_unsubscribe_event = v4l2_event_unsubscribe,
1517 * Mem-to-mem operations.
1520 static void coda_device_run(void *m2m_priv)
1522 struct coda_ctx *ctx = m2m_priv;
1523 struct coda_dev *dev = ctx->dev;
1525 queue_work(dev->workqueue, &ctx->pic_run_work);
1528 static void coda_pic_run_work(struct work_struct *work)
1530 struct coda_ctx *ctx = container_of(work, struct coda_ctx, pic_run_work);
1531 struct coda_dev *dev = ctx->dev;
1534 mutex_lock(&ctx->buffer_mutex);
1535 mutex_lock(&dev->coda_mutex);
1537 ret = ctx->ops->prepare_run(ctx);
1538 if (ret < 0 && ctx->inst_type == CODA_INST_DECODER) {
1539 mutex_unlock(&dev->coda_mutex);
1540 mutex_unlock(&ctx->buffer_mutex);
1541 /* job_finish scheduled by prepare_decode */
1545 if (!wait_for_completion_timeout(&ctx->completion,
1546 msecs_to_jiffies(1000))) {
1548 dev_err(dev->dev, "CODA PIC_RUN timeout\n");
1555 if (ctx->ops->run_timeout)
1556 ctx->ops->run_timeout(ctx);
1558 ctx->ops->finish_run(ctx);
1561 if ((ctx->aborting || (!ctx->streamon_cap && !ctx->streamon_out)) &&
1562 ctx->ops->seq_end_work)
1563 queue_work(dev->workqueue, &ctx->seq_end_work);
1565 mutex_unlock(&dev->coda_mutex);
1566 mutex_unlock(&ctx->buffer_mutex);
1568 v4l2_m2m_job_finish(ctx->dev->m2m_dev, ctx->fh.m2m_ctx);
1571 static int coda_job_ready(void *m2m_priv)
1573 struct coda_ctx *ctx = m2m_priv;
1574 int src_bufs = v4l2_m2m_num_src_bufs_ready(ctx->fh.m2m_ctx);
1577 * For both 'P' and 'key' frame cases 1 picture
1578 * and 1 frame are needed. In the decoder case,
1579 * the compressed frame can be in the bitstream.
1581 if (!src_bufs && ctx->inst_type != CODA_INST_DECODER) {
1582 coda_dbg(1, ctx, "not ready: not enough vid-out buffers.\n");
1586 if (!v4l2_m2m_num_dst_bufs_ready(ctx->fh.m2m_ctx)) {
1587 coda_dbg(1, ctx, "not ready: not enough vid-cap buffers.\n");
1591 if (ctx->inst_type == CODA_INST_DECODER && ctx->use_bit) {
1592 bool stream_end = ctx->bit_stream_param &
1593 CODA_BIT_STREAM_END_FLAG;
1594 int num_metas = ctx->num_metas;
1595 struct coda_buffer_meta *meta;
1598 count = hweight32(ctx->frm_dis_flg);
1599 if (ctx->use_vdoa && count >= (ctx->num_internal_frames - 1)) {
1601 "not ready: all internal buffers in use: %d/%d (0x%x)",
1602 count, ctx->num_internal_frames,
1607 if (ctx->hold && !src_bufs) {
1609 "not ready: on hold for more buffers.\n");
1613 if (!stream_end && (num_metas + src_bufs) < 2) {
1615 "not ready: need 2 buffers available (queue:%d + bitstream:%d)\n",
1616 num_metas, src_bufs);
1620 meta = list_first_entry(&ctx->buffer_meta_list,
1621 struct coda_buffer_meta, list);
1622 if (!coda_bitstream_can_fetch_past(ctx, meta->end) &&
1625 "not ready: not enough bitstream data to read past %u (%u)\n",
1626 meta->end, ctx->bitstream_fifo.kfifo.in);
1631 if (ctx->aborting) {
1632 coda_dbg(1, ctx, "not ready: aborting\n");
1636 coda_dbg(2, ctx, "job ready\n");
1641 static void coda_job_abort(void *priv)
1643 struct coda_ctx *ctx = priv;
1647 coda_dbg(1, ctx, "job abort\n");
1650 static const struct v4l2_m2m_ops coda_m2m_ops = {
1651 .device_run = coda_device_run,
1652 .job_ready = coda_job_ready,
1653 .job_abort = coda_job_abort,
1656 static void set_default_params(struct coda_ctx *ctx)
1658 unsigned int max_w, max_h, usize, csize;
1660 ctx->codec = coda_find_codec(ctx->dev, ctx->cvd->src_formats[0],
1661 ctx->cvd->dst_formats[0]);
1662 max_w = min(ctx->codec->max_w, 1920U);
1663 max_h = min(ctx->codec->max_h, 1088U);
1664 usize = max_w * max_h * 3 / 2;
1665 csize = coda_estimate_sizeimage(ctx, usize, max_w, max_h);
1667 ctx->params.codec_mode = ctx->codec->mode;
1668 if (ctx->cvd->src_formats[0] == V4L2_PIX_FMT_JPEG)
1669 ctx->colorspace = V4L2_COLORSPACE_JPEG;
1671 ctx->colorspace = V4L2_COLORSPACE_REC709;
1672 ctx->xfer_func = V4L2_XFER_FUNC_DEFAULT;
1673 ctx->ycbcr_enc = V4L2_YCBCR_ENC_DEFAULT;
1674 ctx->quantization = V4L2_QUANTIZATION_DEFAULT;
1675 ctx->params.framerate = 30;
1677 /* Default formats for output and input queues */
1678 ctx->q_data[V4L2_M2M_SRC].fourcc = ctx->cvd->src_formats[0];
1679 ctx->q_data[V4L2_M2M_DST].fourcc = ctx->cvd->dst_formats[0];
1680 ctx->q_data[V4L2_M2M_SRC].width = max_w;
1681 ctx->q_data[V4L2_M2M_SRC].height = max_h;
1682 ctx->q_data[V4L2_M2M_DST].width = max_w;
1683 ctx->q_data[V4L2_M2M_DST].height = max_h;
1684 if (ctx->codec->src_fourcc == V4L2_PIX_FMT_YUV420) {
1685 ctx->q_data[V4L2_M2M_SRC].bytesperline = max_w;
1686 ctx->q_data[V4L2_M2M_SRC].sizeimage = usize;
1687 ctx->q_data[V4L2_M2M_DST].bytesperline = 0;
1688 ctx->q_data[V4L2_M2M_DST].sizeimage = csize;
1690 ctx->q_data[V4L2_M2M_SRC].bytesperline = 0;
1691 ctx->q_data[V4L2_M2M_SRC].sizeimage = csize;
1692 ctx->q_data[V4L2_M2M_DST].bytesperline = max_w;
1693 ctx->q_data[V4L2_M2M_DST].sizeimage = usize;
1695 ctx->q_data[V4L2_M2M_SRC].rect.width = max_w;
1696 ctx->q_data[V4L2_M2M_SRC].rect.height = max_h;
1697 ctx->q_data[V4L2_M2M_DST].rect.width = max_w;
1698 ctx->q_data[V4L2_M2M_DST].rect.height = max_h;
1701 * Since the RBC2AXI logic only supports a single chroma plane,
1702 * macroblock tiling only works for to NV12 pixel format.
1704 ctx->tiled_map_type = GDI_LINEAR_FRAME_MAP;
1710 static int coda_queue_setup(struct vb2_queue *vq,
1711 unsigned int *nbuffers, unsigned int *nplanes,
1712 unsigned int sizes[], struct device *alloc_devs[])
1714 struct coda_ctx *ctx = vb2_get_drv_priv(vq);
1715 struct coda_q_data *q_data;
1718 q_data = get_q_data(ctx, vq->type);
1719 size = q_data->sizeimage;
1722 return sizes[0] < size ? -EINVAL : 0;
1727 coda_dbg(1, ctx, "get %d buffer(s) of size %d each.\n", *nbuffers,
1733 static int coda_buf_prepare(struct vb2_buffer *vb)
1735 struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
1736 struct coda_ctx *ctx = vb2_get_drv_priv(vb->vb2_queue);
1737 struct coda_q_data *q_data;
1739 q_data = get_q_data(ctx, vb->vb2_queue->type);
1740 if (V4L2_TYPE_IS_OUTPUT(vb->vb2_queue->type)) {
1741 if (vbuf->field == V4L2_FIELD_ANY)
1742 vbuf->field = V4L2_FIELD_NONE;
1743 if (vbuf->field != V4L2_FIELD_NONE) {
1744 v4l2_warn(&ctx->dev->v4l2_dev,
1745 "%s field isn't supported\n", __func__);
1750 if (vb2_plane_size(vb, 0) < q_data->sizeimage) {
1751 v4l2_warn(&ctx->dev->v4l2_dev,
1752 "%s data will not fit into plane (%lu < %lu)\n",
1753 __func__, vb2_plane_size(vb, 0),
1754 (long)q_data->sizeimage);
1761 static void coda_update_menu_ctrl(struct v4l2_ctrl *ctrl, int value)
1766 v4l2_ctrl_lock(ctrl);
1769 * Extend the control range if the parsed stream contains a known but
1770 * unsupported value or level.
1772 if (value > ctrl->maximum) {
1773 __v4l2_ctrl_modify_range(ctrl, ctrl->minimum, value,
1774 ctrl->menu_skip_mask & ~(1 << value),
1775 ctrl->default_value);
1776 } else if (value < ctrl->minimum) {
1777 __v4l2_ctrl_modify_range(ctrl, value, ctrl->maximum,
1778 ctrl->menu_skip_mask & ~(1 << value),
1779 ctrl->default_value);
1782 __v4l2_ctrl_s_ctrl(ctrl, value);
1784 v4l2_ctrl_unlock(ctrl);
1787 void coda_update_profile_level_ctrls(struct coda_ctx *ctx, u8 profile_idc,
1790 const char * const *profile_names;
1791 const char * const *level_names;
1792 struct v4l2_ctrl *profile_ctrl;
1793 struct v4l2_ctrl *level_ctrl;
1794 const char *codec_name;
1800 switch (ctx->codec->src_fourcc) {
1801 case V4L2_PIX_FMT_H264:
1802 codec_name = "H264";
1803 profile_cid = V4L2_CID_MPEG_VIDEO_H264_PROFILE;
1804 level_cid = V4L2_CID_MPEG_VIDEO_H264_LEVEL;
1805 profile_ctrl = ctx->h264_profile_ctrl;
1806 level_ctrl = ctx->h264_level_ctrl;
1807 profile = coda_h264_profile(profile_idc);
1808 level = coda_h264_level(level_idc);
1810 case V4L2_PIX_FMT_MPEG2:
1811 codec_name = "MPEG-2";
1812 profile_cid = V4L2_CID_MPEG_VIDEO_MPEG2_PROFILE;
1813 level_cid = V4L2_CID_MPEG_VIDEO_MPEG2_LEVEL;
1814 profile_ctrl = ctx->mpeg2_profile_ctrl;
1815 level_ctrl = ctx->mpeg2_level_ctrl;
1816 profile = coda_mpeg2_profile(profile_idc);
1817 level = coda_mpeg2_level(level_idc);
1819 case V4L2_PIX_FMT_MPEG4:
1820 codec_name = "MPEG-4";
1821 profile_cid = V4L2_CID_MPEG_VIDEO_MPEG4_PROFILE;
1822 level_cid = V4L2_CID_MPEG_VIDEO_MPEG4_LEVEL;
1823 profile_ctrl = ctx->mpeg4_profile_ctrl;
1824 level_ctrl = ctx->mpeg4_level_ctrl;
1825 profile = coda_mpeg4_profile(profile_idc);
1826 level = coda_mpeg4_level(level_idc);
1832 profile_names = v4l2_ctrl_get_menu(profile_cid);
1833 level_names = v4l2_ctrl_get_menu(level_cid);
1836 v4l2_warn(&ctx->dev->v4l2_dev, "Invalid %s profile: %u\n",
1837 codec_name, profile_idc);
1839 coda_dbg(1, ctx, "Parsed %s profile: %s\n", codec_name,
1840 profile_names[profile]);
1841 coda_update_menu_ctrl(profile_ctrl, profile);
1845 v4l2_warn(&ctx->dev->v4l2_dev, "Invalid %s level: %u\n",
1846 codec_name, level_idc);
1848 coda_dbg(1, ctx, "Parsed %s level: %s\n", codec_name,
1849 level_names[level]);
1850 coda_update_menu_ctrl(level_ctrl, level);
1854 static void coda_queue_source_change_event(struct coda_ctx *ctx)
1856 static const struct v4l2_event source_change_event = {
1857 .type = V4L2_EVENT_SOURCE_CHANGE,
1858 .u.src_change.changes = V4L2_EVENT_SRC_CH_RESOLUTION,
1861 v4l2_event_queue_fh(&ctx->fh, &source_change_event);
1864 static void coda_buf_queue(struct vb2_buffer *vb)
1866 struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
1867 struct coda_ctx *ctx = vb2_get_drv_priv(vb->vb2_queue);
1868 struct vb2_queue *vq = vb->vb2_queue;
1869 struct coda_q_data *q_data;
1871 q_data = get_q_data(ctx, vb->vb2_queue->type);
1874 * In the decoder case, immediately try to copy the buffer into the
1875 * bitstream ringbuffer and mark it as ready to be dequeued.
1877 if (ctx->bitstream.size && vq->type == V4L2_BUF_TYPE_VIDEO_OUTPUT) {
1879 * For backwards compatibility, queuing an empty buffer marks
1882 if (vb2_get_plane_payload(vb, 0) == 0)
1883 coda_bit_stream_end_flag(ctx);
1885 if (q_data->fourcc == V4L2_PIX_FMT_H264) {
1887 * Unless already done, try to obtain profile_idc and
1888 * level_idc from the SPS header. This allows to decide
1889 * whether to enable reordering during sequence
1892 if (!ctx->params.h264_profile_idc) {
1893 coda_sps_parse_profile(ctx, vb);
1894 coda_update_profile_level_ctrls(ctx,
1895 ctx->params.h264_profile_idc,
1896 ctx->params.h264_level_idc);
1900 mutex_lock(&ctx->bitstream_mutex);
1901 v4l2_m2m_buf_queue(ctx->fh.m2m_ctx, vbuf);
1902 if (vb2_is_streaming(vb->vb2_queue))
1903 /* This set buf->sequence = ctx->qsequence++ */
1904 coda_fill_bitstream(ctx, NULL);
1905 mutex_unlock(&ctx->bitstream_mutex);
1907 if (!ctx->initialized) {
1909 * Run sequence initialization in case the queued
1910 * buffer contained headers.
1912 if (vb2_is_streaming(vb->vb2_queue) &&
1913 ctx->ops->seq_init_work) {
1914 queue_work(ctx->dev->workqueue,
1915 &ctx->seq_init_work);
1916 flush_work(&ctx->seq_init_work);
1919 if (ctx->initialized)
1920 coda_queue_source_change_event(ctx);
1923 if ((ctx->inst_type == CODA_INST_ENCODER || !ctx->use_bit) &&
1924 vq->type == V4L2_BUF_TYPE_VIDEO_OUTPUT)
1925 vbuf->sequence = ctx->qsequence++;
1926 v4l2_m2m_buf_queue(ctx->fh.m2m_ctx, vbuf);
1930 int coda_alloc_aux_buf(struct coda_dev *dev, struct coda_aux_buf *buf,
1931 size_t size, const char *name, struct dentry *parent)
1933 buf->vaddr = dma_alloc_coherent(dev->dev, size, &buf->paddr,
1936 v4l2_err(&dev->v4l2_dev,
1937 "Failed to allocate %s buffer of size %zu\n",
1944 if (name && parent) {
1945 buf->blob.data = buf->vaddr;
1946 buf->blob.size = size;
1947 buf->dentry = debugfs_create_blob(name, 0444, parent,
1954 void coda_free_aux_buf(struct coda_dev *dev,
1955 struct coda_aux_buf *buf)
1958 dma_free_coherent(dev->dev, buf->size, buf->vaddr, buf->paddr);
1961 debugfs_remove(buf->dentry);
1966 static int coda_start_streaming(struct vb2_queue *q, unsigned int count)
1968 struct coda_ctx *ctx = vb2_get_drv_priv(q);
1969 struct v4l2_device *v4l2_dev = &ctx->dev->v4l2_dev;
1970 struct coda_q_data *q_data_src, *q_data_dst;
1971 struct v4l2_m2m_buffer *m2m_buf, *tmp;
1972 struct vb2_v4l2_buffer *buf;
1973 struct list_head list;
1979 coda_dbg(1, ctx, "start streaming %s\n", v4l2_type_names[q->type]);
1981 INIT_LIST_HEAD(&list);
1983 q_data_src = get_q_data(ctx, V4L2_BUF_TYPE_VIDEO_OUTPUT);
1984 if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT) {
1985 if (ctx->inst_type == CODA_INST_DECODER && ctx->use_bit) {
1986 /* copy the buffers that were queued before streamon */
1987 mutex_lock(&ctx->bitstream_mutex);
1988 coda_fill_bitstream(ctx, &list);
1989 mutex_unlock(&ctx->bitstream_mutex);
1991 if (ctx->dev->devtype->product != CODA_960 &&
1992 coda_get_bitstream_payload(ctx) < 512) {
1993 v4l2_err(v4l2_dev, "start payload < 512\n");
1998 if (!ctx->initialized) {
1999 /* Run sequence initialization */
2000 if (ctx->ops->seq_init_work) {
2001 queue_work(ctx->dev->workqueue,
2002 &ctx->seq_init_work);
2003 flush_work(&ctx->seq_init_work);
2009 * Check the first input JPEG buffer to determine chroma
2012 if (q_data_src->fourcc == V4L2_PIX_FMT_JPEG) {
2013 buf = v4l2_m2m_next_src_buf(ctx->fh.m2m_ctx);
2014 ret = coda_jpeg_decode_header(ctx, &buf->vb2_buf);
2017 "failed to decode JPEG header: %d\n",
2022 q_data_dst = get_q_data(ctx, V4L2_BUF_TYPE_VIDEO_CAPTURE);
2023 q_data_dst->width = round_up(q_data_src->width, 16);
2024 q_data_dst->height = round_up(q_data_src->height, 16);
2025 q_data_dst->bytesperline = q_data_dst->width;
2026 if (ctx->params.jpeg_chroma_subsampling ==
2027 V4L2_JPEG_CHROMA_SUBSAMPLING_420) {
2028 q_data_dst->sizeimage =
2029 q_data_dst->bytesperline *
2030 q_data_dst->height * 3 / 2;
2031 if (q_data_dst->fourcc != V4L2_PIX_FMT_YUV420)
2032 q_data_dst->fourcc = V4L2_PIX_FMT_NV12;
2034 q_data_dst->sizeimage =
2035 q_data_dst->bytesperline *
2036 q_data_dst->height * 2;
2037 q_data_dst->fourcc = V4L2_PIX_FMT_YUV422P;
2039 q_data_dst->rect.left = 0;
2040 q_data_dst->rect.top = 0;
2041 q_data_dst->rect.width = q_data_src->width;
2042 q_data_dst->rect.height = q_data_src->height;
2044 ctx->streamon_out = 1;
2046 ctx->streamon_cap = 1;
2049 /* Don't start the coda unless both queues are on */
2050 if (!(ctx->streamon_out && ctx->streamon_cap))
2053 q_data_dst = get_q_data(ctx, V4L2_BUF_TYPE_VIDEO_CAPTURE);
2054 if ((q_data_src->rect.width != q_data_dst->width &&
2055 round_up(q_data_src->rect.width, 16) != q_data_dst->width) ||
2056 (q_data_src->rect.height != q_data_dst->height &&
2057 round_up(q_data_src->rect.height, 16) != q_data_dst->height)) {
2058 v4l2_err(v4l2_dev, "can't convert %dx%d to %dx%d\n",
2059 q_data_src->rect.width, q_data_src->rect.height,
2060 q_data_dst->width, q_data_dst->height);
2065 /* Allow BIT decoder device_run with no new buffers queued */
2066 if (ctx->inst_type == CODA_INST_DECODER && ctx->use_bit)
2067 v4l2_m2m_set_src_buffered(ctx->fh.m2m_ctx, true);
2069 ctx->gopcounter = ctx->params.gop_size - 1;
2071 if (q_data_dst->fourcc == V4L2_PIX_FMT_JPEG)
2072 ctx->params.gop_size = 1;
2073 ctx->gopcounter = ctx->params.gop_size - 1;
2074 /* Only decoders have this control */
2075 if (ctx->mb_err_cnt_ctrl)
2076 v4l2_ctrl_s_ctrl(ctx->mb_err_cnt_ctrl, 0);
2078 ret = ctx->ops->start_streaming(ctx);
2079 if (ctx->inst_type == CODA_INST_DECODER) {
2087 if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT) {
2088 list_for_each_entry_safe(m2m_buf, tmp, &list, list) {
2089 list_del(&m2m_buf->list);
2090 v4l2_m2m_buf_done(&m2m_buf->vb, VB2_BUF_STATE_DONE);
2096 if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT) {
2097 list_for_each_entry_safe(m2m_buf, tmp, &list, list) {
2098 list_del(&m2m_buf->list);
2099 v4l2_m2m_buf_done(&m2m_buf->vb, VB2_BUF_STATE_QUEUED);
2101 while ((buf = v4l2_m2m_src_buf_remove(ctx->fh.m2m_ctx)))
2102 v4l2_m2m_buf_done(buf, VB2_BUF_STATE_QUEUED);
2104 while ((buf = v4l2_m2m_dst_buf_remove(ctx->fh.m2m_ctx)))
2105 v4l2_m2m_buf_done(buf, VB2_BUF_STATE_QUEUED);
2110 static void coda_stop_streaming(struct vb2_queue *q)
2112 struct coda_ctx *ctx = vb2_get_drv_priv(q);
2113 struct coda_dev *dev = ctx->dev;
2114 struct vb2_v4l2_buffer *buf;
2117 stop = ctx->streamon_out && ctx->streamon_cap;
2119 coda_dbg(1, ctx, "stop streaming %s\n", v4l2_type_names[q->type]);
2121 if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT) {
2122 ctx->streamon_out = 0;
2124 coda_bit_stream_end_flag(ctx);
2128 while ((buf = v4l2_m2m_src_buf_remove(ctx->fh.m2m_ctx)))
2129 v4l2_m2m_buf_done(buf, VB2_BUF_STATE_ERROR);
2131 ctx->streamon_cap = 0;
2134 ctx->sequence_offset = 0;
2136 while ((buf = v4l2_m2m_dst_buf_remove(ctx->fh.m2m_ctx)))
2137 v4l2_m2m_buf_done(buf, VB2_BUF_STATE_ERROR);
2141 struct coda_buffer_meta *meta;
2143 if (ctx->ops->seq_end_work) {
2144 queue_work(dev->workqueue, &ctx->seq_end_work);
2145 flush_work(&ctx->seq_end_work);
2147 spin_lock(&ctx->buffer_meta_lock);
2148 while (!list_empty(&ctx->buffer_meta_list)) {
2149 meta = list_first_entry(&ctx->buffer_meta_list,
2150 struct coda_buffer_meta, list);
2151 list_del(&meta->list);
2155 spin_unlock(&ctx->buffer_meta_lock);
2156 kfifo_init(&ctx->bitstream_fifo,
2157 ctx->bitstream.vaddr, ctx->bitstream.size);
2158 ctx->runcounter = 0;
2163 if (!ctx->streamon_out && !ctx->streamon_cap)
2164 ctx->bit_stream_param &= ~CODA_BIT_STREAM_END_FLAG;
2167 static const struct vb2_ops coda_qops = {
2168 .queue_setup = coda_queue_setup,
2169 .buf_prepare = coda_buf_prepare,
2170 .buf_queue = coda_buf_queue,
2171 .start_streaming = coda_start_streaming,
2172 .stop_streaming = coda_stop_streaming,
2173 .wait_prepare = vb2_ops_wait_prepare,
2174 .wait_finish = vb2_ops_wait_finish,
2177 static int coda_s_ctrl(struct v4l2_ctrl *ctrl)
2179 const char * const *val_names = v4l2_ctrl_get_menu(ctrl->id);
2180 struct coda_ctx *ctx =
2181 container_of(ctrl->handler, struct coda_ctx, ctrls);
2184 coda_dbg(2, ctx, "s_ctrl: id = 0x%x, name = \"%s\", val = %d (\"%s\")\n",
2185 ctrl->id, ctrl->name, ctrl->val, val_names[ctrl->val]);
2187 coda_dbg(2, ctx, "s_ctrl: id = 0x%x, name = \"%s\", val = %d\n",
2188 ctrl->id, ctrl->name, ctrl->val);
2191 case V4L2_CID_HFLIP:
2193 ctx->params.rot_mode |= CODA_MIR_HOR;
2195 ctx->params.rot_mode &= ~CODA_MIR_HOR;
2197 case V4L2_CID_VFLIP:
2199 ctx->params.rot_mode |= CODA_MIR_VER;
2201 ctx->params.rot_mode &= ~CODA_MIR_VER;
2203 case V4L2_CID_MPEG_VIDEO_BITRATE:
2204 ctx->params.bitrate = ctrl->val / 1000;
2205 ctx->params.bitrate_changed = true;
2207 case V4L2_CID_MPEG_VIDEO_GOP_SIZE:
2208 ctx->params.gop_size = ctrl->val;
2210 case V4L2_CID_MPEG_VIDEO_H264_I_FRAME_QP:
2211 ctx->params.h264_intra_qp = ctrl->val;
2212 ctx->params.h264_intra_qp_changed = true;
2214 case V4L2_CID_MPEG_VIDEO_H264_P_FRAME_QP:
2215 ctx->params.h264_inter_qp = ctrl->val;
2217 case V4L2_CID_MPEG_VIDEO_H264_MIN_QP:
2218 ctx->params.h264_min_qp = ctrl->val;
2220 case V4L2_CID_MPEG_VIDEO_H264_MAX_QP:
2221 ctx->params.h264_max_qp = ctrl->val;
2223 case V4L2_CID_MPEG_VIDEO_H264_LOOP_FILTER_ALPHA:
2224 ctx->params.h264_slice_alpha_c0_offset_div2 = ctrl->val;
2226 case V4L2_CID_MPEG_VIDEO_H264_LOOP_FILTER_BETA:
2227 ctx->params.h264_slice_beta_offset_div2 = ctrl->val;
2229 case V4L2_CID_MPEG_VIDEO_H264_LOOP_FILTER_MODE:
2230 ctx->params.h264_disable_deblocking_filter_idc = ctrl->val;
2232 case V4L2_CID_MPEG_VIDEO_H264_CONSTRAINED_INTRA_PREDICTION:
2233 ctx->params.h264_constrained_intra_pred_flag = ctrl->val;
2235 case V4L2_CID_MPEG_VIDEO_FRAME_RC_ENABLE:
2236 ctx->params.frame_rc_enable = ctrl->val;
2238 case V4L2_CID_MPEG_VIDEO_MB_RC_ENABLE:
2239 ctx->params.mb_rc_enable = ctrl->val;
2241 case V4L2_CID_MPEG_VIDEO_H264_CHROMA_QP_INDEX_OFFSET:
2242 ctx->params.h264_chroma_qp_index_offset = ctrl->val;
2244 case V4L2_CID_MPEG_VIDEO_H264_PROFILE:
2245 /* TODO: switch between baseline and constrained baseline */
2246 if (ctx->inst_type == CODA_INST_ENCODER)
2247 ctx->params.h264_profile_idc = 66;
2249 case V4L2_CID_MPEG_VIDEO_H264_LEVEL:
2250 /* nothing to do, this is set by the encoder */
2252 case V4L2_CID_MPEG_VIDEO_MPEG4_I_FRAME_QP:
2253 ctx->params.mpeg4_intra_qp = ctrl->val;
2255 case V4L2_CID_MPEG_VIDEO_MPEG4_P_FRAME_QP:
2256 ctx->params.mpeg4_inter_qp = ctrl->val;
2258 case V4L2_CID_MPEG_VIDEO_MPEG2_PROFILE:
2259 case V4L2_CID_MPEG_VIDEO_MPEG2_LEVEL:
2260 case V4L2_CID_MPEG_VIDEO_MPEG4_PROFILE:
2261 case V4L2_CID_MPEG_VIDEO_MPEG4_LEVEL:
2262 /* nothing to do, these are fixed */
2264 case V4L2_CID_MPEG_VIDEO_MULTI_SLICE_MODE:
2265 ctx->params.slice_mode = ctrl->val;
2266 ctx->params.slice_mode_changed = true;
2268 case V4L2_CID_MPEG_VIDEO_MULTI_SLICE_MAX_MB:
2269 ctx->params.slice_max_mb = ctrl->val;
2270 ctx->params.slice_mode_changed = true;
2272 case V4L2_CID_MPEG_VIDEO_MULTI_SLICE_MAX_BYTES:
2273 ctx->params.slice_max_bits = ctrl->val * 8;
2274 ctx->params.slice_mode_changed = true;
2276 case V4L2_CID_MPEG_VIDEO_HEADER_MODE:
2278 case V4L2_CID_MPEG_VIDEO_CYCLIC_INTRA_REFRESH_MB:
2279 ctx->params.intra_refresh = ctrl->val;
2280 ctx->params.intra_refresh_changed = true;
2282 case V4L2_CID_MPEG_VIDEO_FORCE_KEY_FRAME:
2283 ctx->params.force_ipicture = true;
2285 case V4L2_CID_JPEG_COMPRESSION_QUALITY:
2286 coda_set_jpeg_compression_quality(ctx, ctrl->val);
2288 case V4L2_CID_JPEG_RESTART_INTERVAL:
2289 ctx->params.jpeg_restart_interval = ctrl->val;
2291 case V4L2_CID_MPEG_VIDEO_VBV_DELAY:
2292 ctx->params.vbv_delay = ctrl->val;
2294 case V4L2_CID_MPEG_VIDEO_VBV_SIZE:
2295 ctx->params.vbv_size = min(ctrl->val * 8192, 0x7fffffff);
2298 coda_dbg(1, ctx, "Invalid control, id=%d, val=%d\n",
2299 ctrl->id, ctrl->val);
2306 static const struct v4l2_ctrl_ops coda_ctrl_ops = {
2307 .s_ctrl = coda_s_ctrl,
2310 static void coda_encode_ctrls(struct coda_ctx *ctx)
2312 int max_gop_size = (ctx->dev->devtype->product == CODA_DX6) ? 60 : 99;
2314 v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
2315 V4L2_CID_MPEG_VIDEO_BITRATE, 0, 32767000, 1000, 0);
2316 v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
2317 V4L2_CID_MPEG_VIDEO_GOP_SIZE, 0, max_gop_size, 1, 16);
2318 v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
2319 V4L2_CID_MPEG_VIDEO_H264_I_FRAME_QP, 0, 51, 1, 25);
2320 v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
2321 V4L2_CID_MPEG_VIDEO_H264_P_FRAME_QP, 0, 51, 1, 25);
2322 if (ctx->dev->devtype->product != CODA_960) {
2323 v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
2324 V4L2_CID_MPEG_VIDEO_H264_MIN_QP, 0, 51, 1, 12);
2326 v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
2327 V4L2_CID_MPEG_VIDEO_H264_MAX_QP, 0, 51, 1, 51);
2328 v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
2329 V4L2_CID_MPEG_VIDEO_H264_LOOP_FILTER_ALPHA, -6, 6, 1, 0);
2330 v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
2331 V4L2_CID_MPEG_VIDEO_H264_LOOP_FILTER_BETA, -6, 6, 1, 0);
2332 v4l2_ctrl_new_std_menu(&ctx->ctrls, &coda_ctrl_ops,
2333 V4L2_CID_MPEG_VIDEO_H264_LOOP_FILTER_MODE,
2334 V4L2_MPEG_VIDEO_H264_LOOP_FILTER_MODE_DISABLED_AT_SLICE_BOUNDARY,
2335 0x0, V4L2_MPEG_VIDEO_H264_LOOP_FILTER_MODE_ENABLED);
2336 v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
2337 V4L2_CID_MPEG_VIDEO_H264_CONSTRAINED_INTRA_PREDICTION, 0, 1, 1,
2339 v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
2340 V4L2_CID_MPEG_VIDEO_FRAME_RC_ENABLE, 0, 1, 1, 1);
2341 v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
2342 V4L2_CID_MPEG_VIDEO_MB_RC_ENABLE, 0, 1, 1, 1);
2343 v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
2344 V4L2_CID_MPEG_VIDEO_H264_CHROMA_QP_INDEX_OFFSET, -12, 12, 1, 0);
2345 v4l2_ctrl_new_std_menu(&ctx->ctrls, &coda_ctrl_ops,
2346 V4L2_CID_MPEG_VIDEO_H264_PROFILE,
2347 V4L2_MPEG_VIDEO_H264_PROFILE_BASELINE, 0x0,
2348 V4L2_MPEG_VIDEO_H264_PROFILE_BASELINE);
2349 if (ctx->dev->devtype->product == CODA_HX4 ||
2350 ctx->dev->devtype->product == CODA_7541) {
2351 v4l2_ctrl_new_std_menu(&ctx->ctrls, &coda_ctrl_ops,
2352 V4L2_CID_MPEG_VIDEO_H264_LEVEL,
2353 V4L2_MPEG_VIDEO_H264_LEVEL_3_1,
2354 ~((1 << V4L2_MPEG_VIDEO_H264_LEVEL_2_0) |
2355 (1 << V4L2_MPEG_VIDEO_H264_LEVEL_3_0) |
2356 (1 << V4L2_MPEG_VIDEO_H264_LEVEL_3_1)),
2357 V4L2_MPEG_VIDEO_H264_LEVEL_3_1);
2359 if (ctx->dev->devtype->product == CODA_960) {
2360 v4l2_ctrl_new_std_menu(&ctx->ctrls, &coda_ctrl_ops,
2361 V4L2_CID_MPEG_VIDEO_H264_LEVEL,
2362 V4L2_MPEG_VIDEO_H264_LEVEL_4_0,
2363 ~((1 << V4L2_MPEG_VIDEO_H264_LEVEL_2_0) |
2364 (1 << V4L2_MPEG_VIDEO_H264_LEVEL_3_0) |
2365 (1 << V4L2_MPEG_VIDEO_H264_LEVEL_3_1) |
2366 (1 << V4L2_MPEG_VIDEO_H264_LEVEL_3_2) |
2367 (1 << V4L2_MPEG_VIDEO_H264_LEVEL_4_0)),
2368 V4L2_MPEG_VIDEO_H264_LEVEL_4_0);
2370 v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
2371 V4L2_CID_MPEG_VIDEO_MPEG4_I_FRAME_QP, 1, 31, 1, 2);
2372 v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
2373 V4L2_CID_MPEG_VIDEO_MPEG4_P_FRAME_QP, 1, 31, 1, 2);
2374 v4l2_ctrl_new_std_menu(&ctx->ctrls, &coda_ctrl_ops,
2375 V4L2_CID_MPEG_VIDEO_MPEG4_PROFILE,
2376 V4L2_MPEG_VIDEO_MPEG4_PROFILE_SIMPLE, 0x0,
2377 V4L2_MPEG_VIDEO_MPEG4_PROFILE_SIMPLE);
2378 if (ctx->dev->devtype->product == CODA_HX4 ||
2379 ctx->dev->devtype->product == CODA_7541 ||
2380 ctx->dev->devtype->product == CODA_960) {
2381 v4l2_ctrl_new_std_menu(&ctx->ctrls, &coda_ctrl_ops,
2382 V4L2_CID_MPEG_VIDEO_MPEG4_LEVEL,
2383 V4L2_MPEG_VIDEO_MPEG4_LEVEL_5,
2384 ~(1 << V4L2_MPEG_VIDEO_MPEG4_LEVEL_5),
2385 V4L2_MPEG_VIDEO_MPEG4_LEVEL_5);
2387 v4l2_ctrl_new_std_menu(&ctx->ctrls, &coda_ctrl_ops,
2388 V4L2_CID_MPEG_VIDEO_MULTI_SLICE_MODE,
2389 V4L2_MPEG_VIDEO_MULTI_SLICE_MODE_MAX_BYTES, 0x0,
2390 V4L2_MPEG_VIDEO_MULTI_SLICE_MODE_SINGLE);
2391 v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
2392 V4L2_CID_MPEG_VIDEO_MULTI_SLICE_MAX_MB, 1, 0x3fffffff, 1, 1);
2393 v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
2394 V4L2_CID_MPEG_VIDEO_MULTI_SLICE_MAX_BYTES, 1, 0x3fffffff, 1,
2396 v4l2_ctrl_new_std_menu(&ctx->ctrls, &coda_ctrl_ops,
2397 V4L2_CID_MPEG_VIDEO_HEADER_MODE,
2398 V4L2_MPEG_VIDEO_HEADER_MODE_JOINED_WITH_1ST_FRAME,
2399 (1 << V4L2_MPEG_VIDEO_HEADER_MODE_SEPARATE),
2400 V4L2_MPEG_VIDEO_HEADER_MODE_JOINED_WITH_1ST_FRAME);
2401 v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
2402 V4L2_CID_MPEG_VIDEO_CYCLIC_INTRA_REFRESH_MB, 0,
2403 1920 * 1088 / 256, 1, 0);
2404 v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
2405 V4L2_CID_MPEG_VIDEO_VBV_DELAY, 0, 0x7fff, 1, 0);
2407 * The maximum VBV size value is 0x7fffffff bits,
2408 * one bit less than 262144 KiB
2410 v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
2411 V4L2_CID_MPEG_VIDEO_VBV_SIZE, 0, 262144, 1, 0);
2414 static void coda_jpeg_encode_ctrls(struct coda_ctx *ctx)
2416 v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
2417 V4L2_CID_JPEG_COMPRESSION_QUALITY, 5, 100, 1, 50);
2418 v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
2419 V4L2_CID_JPEG_RESTART_INTERVAL, 0, 100, 1, 0);
2422 static void coda_decode_ctrls(struct coda_ctx *ctx)
2426 ctx->h264_profile_ctrl = v4l2_ctrl_new_std_menu(&ctx->ctrls,
2427 &coda_ctrl_ops, V4L2_CID_MPEG_VIDEO_H264_PROFILE,
2428 V4L2_MPEG_VIDEO_H264_PROFILE_HIGH,
2429 ~((1 << V4L2_MPEG_VIDEO_H264_PROFILE_BASELINE) |
2430 (1 << V4L2_MPEG_VIDEO_H264_PROFILE_MAIN) |
2431 (1 << V4L2_MPEG_VIDEO_H264_PROFILE_HIGH)),
2432 V4L2_MPEG_VIDEO_H264_PROFILE_HIGH);
2433 if (ctx->h264_profile_ctrl)
2434 ctx->h264_profile_ctrl->flags |= V4L2_CTRL_FLAG_READ_ONLY;
2436 if (ctx->dev->devtype->product == CODA_HX4 ||
2437 ctx->dev->devtype->product == CODA_7541)
2438 max = V4L2_MPEG_VIDEO_H264_LEVEL_4_0;
2439 else if (ctx->dev->devtype->product == CODA_960)
2440 max = V4L2_MPEG_VIDEO_H264_LEVEL_4_1;
2443 ctx->h264_level_ctrl = v4l2_ctrl_new_std_menu(&ctx->ctrls,
2444 &coda_ctrl_ops, V4L2_CID_MPEG_VIDEO_H264_LEVEL, max, 0, max);
2445 if (ctx->h264_level_ctrl)
2446 ctx->h264_level_ctrl->flags |= V4L2_CTRL_FLAG_READ_ONLY;
2448 ctx->mpeg2_profile_ctrl = v4l2_ctrl_new_std_menu(&ctx->ctrls,
2449 &coda_ctrl_ops, V4L2_CID_MPEG_VIDEO_MPEG2_PROFILE,
2450 V4L2_MPEG_VIDEO_MPEG2_PROFILE_HIGH, 0,
2451 V4L2_MPEG_VIDEO_MPEG2_PROFILE_HIGH);
2452 if (ctx->mpeg2_profile_ctrl)
2453 ctx->mpeg2_profile_ctrl->flags |= V4L2_CTRL_FLAG_READ_ONLY;
2455 ctx->mpeg2_level_ctrl = v4l2_ctrl_new_std_menu(&ctx->ctrls,
2456 &coda_ctrl_ops, V4L2_CID_MPEG_VIDEO_MPEG2_LEVEL,
2457 V4L2_MPEG_VIDEO_MPEG2_LEVEL_HIGH, 0,
2458 V4L2_MPEG_VIDEO_MPEG2_LEVEL_HIGH);
2459 if (ctx->mpeg2_level_ctrl)
2460 ctx->mpeg2_level_ctrl->flags |= V4L2_CTRL_FLAG_READ_ONLY;
2462 ctx->mpeg4_profile_ctrl = v4l2_ctrl_new_std_menu(&ctx->ctrls,
2463 &coda_ctrl_ops, V4L2_CID_MPEG_VIDEO_MPEG4_PROFILE,
2464 V4L2_MPEG_VIDEO_MPEG4_PROFILE_ADVANCED_CODING_EFFICIENCY, 0,
2465 V4L2_MPEG_VIDEO_MPEG4_PROFILE_ADVANCED_CODING_EFFICIENCY);
2466 if (ctx->mpeg4_profile_ctrl)
2467 ctx->mpeg4_profile_ctrl->flags |= V4L2_CTRL_FLAG_READ_ONLY;
2469 ctx->mpeg4_level_ctrl = v4l2_ctrl_new_std_menu(&ctx->ctrls,
2470 &coda_ctrl_ops, V4L2_CID_MPEG_VIDEO_MPEG4_LEVEL,
2471 V4L2_MPEG_VIDEO_MPEG4_LEVEL_5, 0,
2472 V4L2_MPEG_VIDEO_MPEG4_LEVEL_5);
2473 if (ctx->mpeg4_level_ctrl)
2474 ctx->mpeg4_level_ctrl->flags |= V4L2_CTRL_FLAG_READ_ONLY;
2477 static const struct v4l2_ctrl_config coda_mb_err_cnt_ctrl_config = {
2478 .id = V4L2_CID_CODA_MB_ERR_CNT,
2479 .name = "Macroblocks Error Count",
2480 .type = V4L2_CTRL_TYPE_INTEGER,
2486 static int coda_ctrls_setup(struct coda_ctx *ctx)
2488 v4l2_ctrl_handler_init(&ctx->ctrls, 2);
2490 v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
2491 V4L2_CID_HFLIP, 0, 1, 1, 0);
2492 v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
2493 V4L2_CID_VFLIP, 0, 1, 1, 0);
2494 if (ctx->inst_type == CODA_INST_ENCODER) {
2495 v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
2496 V4L2_CID_MIN_BUFFERS_FOR_OUTPUT,
2498 if (ctx->cvd->dst_formats[0] == V4L2_PIX_FMT_JPEG)
2499 coda_jpeg_encode_ctrls(ctx);
2501 coda_encode_ctrls(ctx);
2503 v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
2504 V4L2_CID_MIN_BUFFERS_FOR_CAPTURE,
2506 if (ctx->cvd->src_formats[0] == V4L2_PIX_FMT_H264)
2507 coda_decode_ctrls(ctx);
2509 ctx->mb_err_cnt_ctrl = v4l2_ctrl_new_custom(&ctx->ctrls,
2510 &coda_mb_err_cnt_ctrl_config,
2512 if (ctx->mb_err_cnt_ctrl)
2513 ctx->mb_err_cnt_ctrl->flags |= V4L2_CTRL_FLAG_READ_ONLY;
2516 if (ctx->ctrls.error) {
2517 v4l2_err(&ctx->dev->v4l2_dev,
2518 "control initialization error (%d)",
2523 return v4l2_ctrl_handler_setup(&ctx->ctrls);
2526 static int coda_queue_init(struct coda_ctx *ctx, struct vb2_queue *vq)
2529 vq->ops = &coda_qops;
2530 vq->buf_struct_size = sizeof(struct v4l2_m2m_buffer);
2531 vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY;
2532 vq->lock = &ctx->dev->dev_mutex;
2533 /* One way to indicate end-of-stream for coda is to set the
2534 * bytesused == 0. However by default videobuf2 handles bytesused
2535 * equal to 0 as a special case and changes its value to the size
2536 * of the buffer. Set the allow_zero_bytesused flag, so
2537 * that videobuf2 will keep the value of bytesused intact.
2539 vq->allow_zero_bytesused = 1;
2541 * We might be fine with no buffers on some of the queues, but that
2542 * would need to be reflected in job_ready(). Currently we expect all
2543 * queues to have at least one buffer queued.
2545 vq->min_buffers_needed = 1;
2546 vq->dev = ctx->dev->dev;
2548 return vb2_queue_init(vq);
2551 int coda_encoder_queue_init(void *priv, struct vb2_queue *src_vq,
2552 struct vb2_queue *dst_vq)
2556 src_vq->type = V4L2_BUF_TYPE_VIDEO_OUTPUT;
2557 src_vq->io_modes = VB2_DMABUF | VB2_MMAP;
2558 src_vq->mem_ops = &vb2_dma_contig_memops;
2560 ret = coda_queue_init(priv, src_vq);
2564 dst_vq->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
2565 dst_vq->io_modes = VB2_DMABUF | VB2_MMAP;
2566 dst_vq->mem_ops = &vb2_dma_contig_memops;
2568 return coda_queue_init(priv, dst_vq);
2571 int coda_decoder_queue_init(void *priv, struct vb2_queue *src_vq,
2572 struct vb2_queue *dst_vq)
2576 src_vq->type = V4L2_BUF_TYPE_VIDEO_OUTPUT;
2577 src_vq->io_modes = VB2_DMABUF | VB2_MMAP | VB2_USERPTR;
2578 src_vq->mem_ops = &vb2_vmalloc_memops;
2580 ret = coda_queue_init(priv, src_vq);
2584 dst_vq->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
2585 dst_vq->io_modes = VB2_DMABUF | VB2_MMAP;
2586 dst_vq->dma_attrs = DMA_ATTR_NO_KERNEL_MAPPING;
2587 dst_vq->mem_ops = &vb2_dma_contig_memops;
2589 return coda_queue_init(priv, dst_vq);
2596 static int coda_open(struct file *file)
2598 struct video_device *vdev = video_devdata(file);
2599 struct coda_dev *dev = video_get_drvdata(vdev);
2600 struct coda_ctx *ctx;
2601 unsigned int max = ~0;
2606 ctx = kzalloc(sizeof(*ctx), GFP_KERNEL);
2610 if (dev->devtype->product == CODA_DX6)
2611 max = CODADX6_MAX_INSTANCES - 1;
2612 idx = ida_alloc_max(&dev->ida, max, GFP_KERNEL);
2618 name = kasprintf(GFP_KERNEL, "context%d", idx);
2621 goto err_coda_name_init;
2624 ctx->debugfs_entry = debugfs_create_dir(name, dev->debugfs_root);
2627 ctx->cvd = to_coda_video_device(vdev);
2628 ctx->inst_type = ctx->cvd->type;
2629 ctx->ops = ctx->cvd->ops;
2630 ctx->use_bit = !ctx->cvd->direct;
2631 init_completion(&ctx->completion);
2632 INIT_WORK(&ctx->pic_run_work, coda_pic_run_work);
2633 if (ctx->ops->seq_init_work)
2634 INIT_WORK(&ctx->seq_init_work, ctx->ops->seq_init_work);
2635 if (ctx->ops->seq_end_work)
2636 INIT_WORK(&ctx->seq_end_work, ctx->ops->seq_end_work);
2637 v4l2_fh_init(&ctx->fh, video_devdata(file));
2638 file->private_data = &ctx->fh;
2639 v4l2_fh_add(&ctx->fh);
2643 coda_dbg(1, ctx, "open instance (%p)\n", ctx);
2645 switch (dev->devtype->product) {
2648 * Enabling the BWB when decoding can hang the firmware with
2649 * certain streams. The issue was tracked as ENGR00293425 by
2650 * Freescale. As a workaround, disable BWB for all decoders.
2651 * The enable_bwb module parameter allows to override this.
2653 if (enable_bwb || ctx->inst_type == CODA_INST_ENCODER)
2654 ctx->frame_mem_ctrl = CODA9_FRAME_ENABLE_BWB;
2663 if (ctx->dev->vdoa && !disable_vdoa) {
2664 ctx->vdoa = vdoa_context_create(dev->vdoa);
2666 v4l2_warn(&dev->v4l2_dev,
2667 "Failed to create vdoa context: not using vdoa");
2669 ctx->use_vdoa = false;
2671 /* Power up and upload firmware if necessary */
2672 ret = pm_runtime_resume_and_get(dev->dev);
2674 v4l2_err(&dev->v4l2_dev, "failed to power up: %d\n", ret);
2678 ret = clk_prepare_enable(dev->clk_per);
2680 goto err_clk_enable;
2682 ret = clk_prepare_enable(dev->clk_ahb);
2686 set_default_params(ctx);
2687 ctx->fh.m2m_ctx = v4l2_m2m_ctx_init(dev->m2m_dev, ctx,
2688 ctx->ops->queue_init);
2689 if (IS_ERR(ctx->fh.m2m_ctx)) {
2690 ret = PTR_ERR(ctx->fh.m2m_ctx);
2692 v4l2_err(&dev->v4l2_dev, "%s return error (%d)\n",
2697 ret = coda_ctrls_setup(ctx);
2699 v4l2_err(&dev->v4l2_dev, "failed to setup coda controls\n");
2700 goto err_ctrls_setup;
2703 ctx->fh.ctrl_handler = &ctx->ctrls;
2705 mutex_init(&ctx->bitstream_mutex);
2706 mutex_init(&ctx->buffer_mutex);
2707 mutex_init(&ctx->wakeup_mutex);
2708 INIT_LIST_HEAD(&ctx->buffer_meta_list);
2709 spin_lock_init(&ctx->buffer_meta_lock);
2714 v4l2_m2m_ctx_release(ctx->fh.m2m_ctx);
2716 clk_disable_unprepare(dev->clk_ahb);
2718 clk_disable_unprepare(dev->clk_per);
2720 pm_runtime_put_sync(dev->dev);
2722 v4l2_fh_del(&ctx->fh);
2723 v4l2_fh_exit(&ctx->fh);
2725 ida_free(&dev->ida, ctx->idx);
2731 static int coda_release(struct file *file)
2733 struct coda_dev *dev = video_drvdata(file);
2734 struct coda_ctx *ctx = fh_to_ctx(file->private_data);
2736 coda_dbg(1, ctx, "release instance (%p)\n", ctx);
2738 if (ctx->inst_type == CODA_INST_DECODER && ctx->use_bit)
2739 coda_bit_stream_end_flag(ctx);
2741 /* If this instance is running, call .job_abort and wait for it to end */
2742 v4l2_m2m_ctx_release(ctx->fh.m2m_ctx);
2745 vdoa_context_destroy(ctx->vdoa);
2747 /* In case the instance was not running, we still need to call SEQ_END */
2748 if (ctx->ops->seq_end_work) {
2749 queue_work(dev->workqueue, &ctx->seq_end_work);
2750 flush_work(&ctx->seq_end_work);
2753 if (ctx->dev->devtype->product == CODA_DX6)
2754 coda_free_aux_buf(dev, &ctx->workbuf);
2756 v4l2_ctrl_handler_free(&ctx->ctrls);
2757 clk_disable_unprepare(dev->clk_ahb);
2758 clk_disable_unprepare(dev->clk_per);
2759 pm_runtime_put_sync(dev->dev);
2760 v4l2_fh_del(&ctx->fh);
2761 v4l2_fh_exit(&ctx->fh);
2762 ida_free(&dev->ida, ctx->idx);
2763 if (ctx->ops->release)
2764 ctx->ops->release(ctx);
2765 debugfs_remove_recursive(ctx->debugfs_entry);
2771 static const struct v4l2_file_operations coda_fops = {
2772 .owner = THIS_MODULE,
2774 .release = coda_release,
2775 .poll = v4l2_m2m_fop_poll,
2776 .unlocked_ioctl = video_ioctl2,
2777 .mmap = v4l2_m2m_fop_mmap,
2780 static int coda_hw_init(struct coda_dev *dev)
2786 ret = clk_prepare_enable(dev->clk_per);
2790 ret = clk_prepare_enable(dev->clk_ahb);
2794 reset_control_reset(dev->rstc);
2797 * Copy the first CODA_ISRAM_SIZE in the internal SRAM.
2798 * The 16-bit chars in the code buffer are in memory access
2799 * order, re-sort them to CODA order for register download.
2800 * Data in this SRAM survives a reboot.
2802 p = (u16 *)dev->codebuf.vaddr;
2803 if (dev->devtype->product == CODA_DX6) {
2804 for (i = 0; i < (CODA_ISRAM_SIZE / 2); i++) {
2805 data = CODA_DOWN_ADDRESS_SET(i) |
2806 CODA_DOWN_DATA_SET(p[i ^ 1]);
2807 coda_write(dev, data, CODA_REG_BIT_CODE_DOWN);
2810 for (i = 0; i < (CODA_ISRAM_SIZE / 2); i++) {
2811 data = CODA_DOWN_ADDRESS_SET(i) |
2812 CODA_DOWN_DATA_SET(p[round_down(i, 4) +
2814 coda_write(dev, data, CODA_REG_BIT_CODE_DOWN);
2818 /* Clear registers */
2819 for (i = 0; i < 64; i++)
2820 coda_write(dev, 0, CODA_REG_BIT_CODE_BUF_ADDR + i * 4);
2822 /* Tell the BIT where to find everything it needs */
2823 if (dev->devtype->product == CODA_960 ||
2824 dev->devtype->product == CODA_7541 ||
2825 dev->devtype->product == CODA_HX4) {
2826 coda_write(dev, dev->tempbuf.paddr,
2827 CODA_REG_BIT_TEMP_BUF_ADDR);
2828 coda_write(dev, 0, CODA_REG_BIT_BIT_STREAM_PARAM);
2830 coda_write(dev, dev->workbuf.paddr,
2831 CODA_REG_BIT_WORK_BUF_ADDR);
2833 coda_write(dev, dev->codebuf.paddr,
2834 CODA_REG_BIT_CODE_BUF_ADDR);
2835 coda_write(dev, 0, CODA_REG_BIT_CODE_RUN);
2837 /* Set default values */
2838 switch (dev->devtype->product) {
2840 coda_write(dev, CODADX6_STREAM_BUF_PIC_FLUSH,
2841 CODA_REG_BIT_STREAM_CTRL);
2844 coda_write(dev, CODA7_STREAM_BUF_PIC_FLUSH,
2845 CODA_REG_BIT_STREAM_CTRL);
2847 if (dev->devtype->product == CODA_960)
2848 coda_write(dev, CODA9_FRAME_ENABLE_BWB,
2849 CODA_REG_BIT_FRAME_MEM_CTRL);
2851 coda_write(dev, 0, CODA_REG_BIT_FRAME_MEM_CTRL);
2853 if (dev->devtype->product != CODA_DX6)
2854 coda_write(dev, 0, CODA7_REG_BIT_AXI_SRAM_USE);
2856 coda_write(dev, CODA_INT_INTERRUPT_ENABLE,
2857 CODA_REG_BIT_INT_ENABLE);
2859 /* Reset VPU and start processor */
2860 data = coda_read(dev, CODA_REG_BIT_CODE_RESET);
2861 data |= CODA_REG_RESET_ENABLE;
2862 coda_write(dev, data, CODA_REG_BIT_CODE_RESET);
2864 data &= ~CODA_REG_RESET_ENABLE;
2865 coda_write(dev, data, CODA_REG_BIT_CODE_RESET);
2866 coda_write(dev, CODA_REG_RUN_ENABLE, CODA_REG_BIT_CODE_RUN);
2868 clk_disable_unprepare(dev->clk_ahb);
2869 clk_disable_unprepare(dev->clk_per);
2874 clk_disable_unprepare(dev->clk_per);
2879 static int coda_register_device(struct coda_dev *dev, int i)
2881 struct video_device *vfd = &dev->vfd[i];
2885 if (i >= dev->devtype->num_vdevs)
2887 name = dev->devtype->vdevs[i]->name;
2889 strscpy(vfd->name, dev->devtype->vdevs[i]->name, sizeof(vfd->name));
2890 vfd->fops = &coda_fops;
2891 vfd->ioctl_ops = &coda_ioctl_ops;
2892 vfd->release = video_device_release_empty;
2893 vfd->lock = &dev->dev_mutex;
2894 vfd->v4l2_dev = &dev->v4l2_dev;
2895 vfd->vfl_dir = VFL_DIR_M2M;
2896 vfd->device_caps = V4L2_CAP_VIDEO_M2M | V4L2_CAP_STREAMING;
2897 video_set_drvdata(vfd, dev);
2899 /* Not applicable, use the selection API instead */
2900 v4l2_disable_ioctl(vfd, VIDIOC_CROPCAP);
2901 v4l2_disable_ioctl(vfd, VIDIOC_G_CROP);
2902 v4l2_disable_ioctl(vfd, VIDIOC_S_CROP);
2904 ret = video_register_device(vfd, VFL_TYPE_VIDEO, 0);
2906 v4l2_info(&dev->v4l2_dev, "%s registered as %s\n",
2907 name, video_device_node_name(vfd));
2911 static void coda_copy_firmware(struct coda_dev *dev, const u8 * const buf,
2914 u32 *src = (u32 *)buf;
2916 /* Check if the firmware has a 16-byte Freescale header, skip it */
2917 if (buf[0] == 'M' && buf[1] == 'X')
2920 * Check whether the firmware is in native order or pre-reordered for
2921 * memory access. The first instruction opcode always is 0xe40e.
2923 if (__le16_to_cpup((__le16 *)src) == 0xe40e) {
2924 u32 *dst = dev->codebuf.vaddr;
2927 /* Firmware in native order, reorder while copying */
2928 if (dev->devtype->product == CODA_DX6) {
2929 for (i = 0; i < (size - 16) / 4; i++)
2930 dst[i] = (src[i] << 16) | (src[i] >> 16);
2932 for (i = 0; i < (size - 16) / 4; i += 2) {
2933 dst[i] = (src[i + 1] << 16) | (src[i + 1] >> 16);
2934 dst[i + 1] = (src[i] << 16) | (src[i] >> 16);
2938 /* Copy the already reordered firmware image */
2939 memcpy(dev->codebuf.vaddr, src, size);
2943 static void coda_fw_callback(const struct firmware *fw, void *context);
2945 static int coda_firmware_request(struct coda_dev *dev)
2949 if (dev->firmware >= ARRAY_SIZE(dev->devtype->firmware))
2952 fw = dev->devtype->firmware[dev->firmware];
2954 dev_dbg(dev->dev, "requesting firmware '%s' for %s\n", fw,
2955 coda_product_name(dev->devtype->product));
2957 return request_firmware_nowait(THIS_MODULE, true, fw, dev->dev,
2958 GFP_KERNEL, dev, coda_fw_callback);
2961 static void coda_fw_callback(const struct firmware *fw, void *context)
2963 struct coda_dev *dev = context;
2968 ret = coda_firmware_request(dev);
2970 v4l2_err(&dev->v4l2_dev, "firmware request failed\n");
2975 if (dev->firmware > 0) {
2977 * Since we can't suppress warnings for failed asynchronous
2978 * firmware requests, report that the fallback firmware was
2981 dev_info(dev->dev, "Using fallback firmware %s\n",
2982 dev->devtype->firmware[dev->firmware]);
2985 /* allocate auxiliary per-device code buffer for the BIT processor */
2986 ret = coda_alloc_aux_buf(dev, &dev->codebuf, fw->size, "codebuf",
2991 coda_copy_firmware(dev, fw->data, fw->size);
2992 release_firmware(fw);
2994 ret = coda_hw_init(dev);
2996 v4l2_err(&dev->v4l2_dev, "HW initialization failed\n");
3000 ret = coda_check_firmware(dev);
3004 dev->m2m_dev = v4l2_m2m_init(&coda_m2m_ops);
3005 if (IS_ERR(dev->m2m_dev)) {
3006 v4l2_err(&dev->v4l2_dev, "Failed to init mem2mem device\n");
3010 for (i = 0; i < dev->devtype->num_vdevs; i++) {
3011 ret = coda_register_device(dev, i);
3013 v4l2_err(&dev->v4l2_dev,
3014 "Failed to register %s video device: %d\n",
3015 dev->devtype->vdevs[i]->name, ret);
3020 pm_runtime_put_sync(dev->dev);
3025 video_unregister_device(&dev->vfd[i]);
3026 v4l2_m2m_release(dev->m2m_dev);
3028 pm_runtime_put_sync(dev->dev);
3031 enum coda_platform {
3039 static const struct coda_devtype coda_devdata[] = {
3042 "vpu_fw_imx27_TO2.bin",
3043 "vpu/vpu_fw_imx27_TO2.bin",
3044 "v4l-codadx6-imx27.bin"
3046 .product = CODA_DX6,
3047 .codecs = codadx6_codecs,
3048 .num_codecs = ARRAY_SIZE(codadx6_codecs),
3049 .vdevs = codadx6_video_devices,
3050 .num_vdevs = ARRAY_SIZE(codadx6_video_devices),
3051 .workbuf_size = 288 * 1024 + FMO_SLICE_SAVE_BUF_SIZE * 8 * 1024,
3052 .iram_size = 0xb000,
3057 "vpu/vpu_fw_imx51.bin",
3058 "v4l-codahx4-imx51.bin"
3060 .product = CODA_HX4,
3061 .codecs = codahx4_codecs,
3062 .num_codecs = ARRAY_SIZE(codahx4_codecs),
3063 .vdevs = codahx4_video_devices,
3064 .num_vdevs = ARRAY_SIZE(codahx4_video_devices),
3065 .workbuf_size = 128 * 1024,
3066 .tempbuf_size = 304 * 1024,
3067 .iram_size = 0x14000,
3072 "vpu/vpu_fw_imx53.bin",
3073 "v4l-coda7541-imx53.bin"
3075 .product = CODA_7541,
3076 .codecs = coda7_codecs,
3077 .num_codecs = ARRAY_SIZE(coda7_codecs),
3078 .vdevs = coda7_video_devices,
3079 .num_vdevs = ARRAY_SIZE(coda7_video_devices),
3080 .workbuf_size = 128 * 1024,
3081 .tempbuf_size = 304 * 1024,
3082 .iram_size = 0x14000,
3087 "vpu/vpu_fw_imx6q.bin",
3088 "v4l-coda960-imx6q.bin"
3090 .product = CODA_960,
3091 .codecs = coda9_codecs,
3092 .num_codecs = ARRAY_SIZE(coda9_codecs),
3093 .vdevs = coda9_video_devices,
3094 .num_vdevs = ARRAY_SIZE(coda9_video_devices),
3095 .workbuf_size = 80 * 1024,
3096 .tempbuf_size = 204 * 1024,
3097 .iram_size = 0x21000,
3102 "vpu/vpu_fw_imx6d.bin",
3103 "v4l-coda960-imx6dl.bin"
3105 .product = CODA_960,
3106 .codecs = coda9_codecs,
3107 .num_codecs = ARRAY_SIZE(coda9_codecs),
3108 .vdevs = coda9_video_devices,
3109 .num_vdevs = ARRAY_SIZE(coda9_video_devices),
3110 .workbuf_size = 80 * 1024,
3111 .tempbuf_size = 204 * 1024,
3112 .iram_size = 0x1f000, /* leave 4k for suspend code */
3116 static const struct of_device_id coda_dt_ids[] = {
3117 { .compatible = "fsl,imx27-vpu", .data = &coda_devdata[CODA_IMX27] },
3118 { .compatible = "fsl,imx51-vpu", .data = &coda_devdata[CODA_IMX51] },
3119 { .compatible = "fsl,imx53-vpu", .data = &coda_devdata[CODA_IMX53] },
3120 { .compatible = "fsl,imx6q-vpu", .data = &coda_devdata[CODA_IMX6Q] },
3121 { .compatible = "fsl,imx6dl-vpu", .data = &coda_devdata[CODA_IMX6DL] },
3124 MODULE_DEVICE_TABLE(of, coda_dt_ids);
3126 static int coda_probe(struct platform_device *pdev)
3128 struct device_node *np = pdev->dev.of_node;
3129 struct gen_pool *pool;
3130 struct coda_dev *dev;
3133 dev = devm_kzalloc(&pdev->dev, sizeof(*dev), GFP_KERNEL);
3137 dev->devtype = of_device_get_match_data(&pdev->dev);
3139 dev->dev = &pdev->dev;
3140 dev->clk_per = devm_clk_get(&pdev->dev, "per");
3141 if (IS_ERR(dev->clk_per)) {
3142 dev_err(&pdev->dev, "Could not get per clock\n");
3143 return PTR_ERR(dev->clk_per);
3146 dev->clk_ahb = devm_clk_get(&pdev->dev, "ahb");
3147 if (IS_ERR(dev->clk_ahb)) {
3148 dev_err(&pdev->dev, "Could not get ahb clock\n");
3149 return PTR_ERR(dev->clk_ahb);
3152 /* Get memory for physical registers */
3153 dev->regs_base = devm_platform_ioremap_resource(pdev, 0);
3154 if (IS_ERR(dev->regs_base))
3155 return PTR_ERR(dev->regs_base);
3158 irq = platform_get_irq_byname(pdev, "bit");
3160 irq = platform_get_irq(pdev, 0);
3164 ret = devm_request_irq(&pdev->dev, irq, coda_irq_handler, 0,
3165 CODA_NAME "-video", dev);
3167 dev_err(&pdev->dev, "failed to request irq: %d\n", ret);
3172 if (dev->devtype->product == CODA_960) {
3173 irq = platform_get_irq_byname(pdev, "jpeg");
3177 ret = devm_request_threaded_irq(&pdev->dev, irq, NULL,
3178 coda9_jpeg_irq_handler,
3179 IRQF_ONESHOT, CODA_NAME "-jpeg",
3182 dev_err(&pdev->dev, "failed to request jpeg irq\n");
3187 dev->rstc = devm_reset_control_get_optional_exclusive(&pdev->dev,
3189 if (IS_ERR(dev->rstc)) {
3190 ret = PTR_ERR(dev->rstc);
3191 dev_err(&pdev->dev, "failed get reset control: %d\n", ret);
3195 /* Get IRAM pool from device tree */
3196 pool = of_gen_pool_get(np, "iram", 0);
3198 dev_err(&pdev->dev, "iram pool not available\n");
3201 dev->iram_pool = pool;
3203 /* Get vdoa_data if supported by the platform */
3204 dev->vdoa = coda_get_vdoa_data();
3205 if (PTR_ERR(dev->vdoa) == -EPROBE_DEFER)
3206 return -EPROBE_DEFER;
3208 ret = v4l2_device_register(&pdev->dev, &dev->v4l2_dev);
3212 ratelimit_default_init(&dev->mb_err_rs);
3213 mutex_init(&dev->dev_mutex);
3214 mutex_init(&dev->coda_mutex);
3215 ida_init(&dev->ida);
3217 dev->debugfs_root = debugfs_create_dir("coda", NULL);
3219 /* allocate auxiliary per-device buffers for the BIT processor */
3220 if (dev->devtype->product == CODA_DX6) {
3221 ret = coda_alloc_aux_buf(dev, &dev->workbuf,
3222 dev->devtype->workbuf_size, "workbuf",
3225 goto err_v4l2_register;
3228 if (dev->devtype->tempbuf_size) {
3229 ret = coda_alloc_aux_buf(dev, &dev->tempbuf,
3230 dev->devtype->tempbuf_size, "tempbuf",
3233 goto err_v4l2_register;
3236 dev->iram.size = dev->devtype->iram_size;
3237 dev->iram.vaddr = gen_pool_dma_alloc(dev->iram_pool, dev->iram.size,
3239 if (!dev->iram.vaddr) {
3240 dev_warn(&pdev->dev, "unable to alloc iram\n");
3242 memset(dev->iram.vaddr, 0, dev->iram.size);
3243 dev->iram.blob.data = dev->iram.vaddr;
3244 dev->iram.blob.size = dev->iram.size;
3245 dev->iram.dentry = debugfs_create_blob("iram", 0444,
3250 dev->workqueue = alloc_workqueue("coda", WQ_UNBOUND | WQ_MEM_RECLAIM, 1);
3251 if (!dev->workqueue) {
3252 dev_err(&pdev->dev, "unable to alloc workqueue\n");
3254 goto err_v4l2_register;
3257 platform_set_drvdata(pdev, dev);
3260 * Start activated so we can directly call coda_hw_init in
3261 * coda_fw_callback regardless of whether CONFIG_PM is
3262 * enabled or whether the device is associated with a PM domain.
3264 pm_runtime_get_noresume(&pdev->dev);
3265 pm_runtime_set_active(&pdev->dev);
3266 pm_runtime_enable(&pdev->dev);
3268 ret = coda_firmware_request(dev);
3270 goto err_alloc_workqueue;
3273 err_alloc_workqueue:
3274 pm_runtime_disable(&pdev->dev);
3275 pm_runtime_put_noidle(&pdev->dev);
3276 destroy_workqueue(dev->workqueue);
3278 v4l2_device_unregister(&dev->v4l2_dev);
3282 static int coda_remove(struct platform_device *pdev)
3284 struct coda_dev *dev = platform_get_drvdata(pdev);
3287 for (i = 0; i < ARRAY_SIZE(dev->vfd); i++) {
3288 if (video_get_drvdata(&dev->vfd[i]))
3289 video_unregister_device(&dev->vfd[i]);
3292 v4l2_m2m_release(dev->m2m_dev);
3293 pm_runtime_disable(&pdev->dev);
3294 v4l2_device_unregister(&dev->v4l2_dev);
3295 destroy_workqueue(dev->workqueue);
3296 if (dev->iram.vaddr)
3297 gen_pool_free(dev->iram_pool, (unsigned long)dev->iram.vaddr,
3299 coda_free_aux_buf(dev, &dev->codebuf);
3300 coda_free_aux_buf(dev, &dev->tempbuf);
3301 coda_free_aux_buf(dev, &dev->workbuf);
3302 debugfs_remove_recursive(dev->debugfs_root);
3303 ida_destroy(&dev->ida);
3308 static int coda_runtime_resume(struct device *dev)
3310 struct coda_dev *cdev = dev_get_drvdata(dev);
3313 if (dev->pm_domain && cdev->codebuf.vaddr) {
3314 ret = coda_hw_init(cdev);
3316 v4l2_err(&cdev->v4l2_dev, "HW initialization failed\n");
3323 static const struct dev_pm_ops coda_pm_ops = {
3324 SET_RUNTIME_PM_OPS(NULL, coda_runtime_resume, NULL)
3327 static struct platform_driver coda_driver = {
3328 .probe = coda_probe,
3329 .remove = coda_remove,
3332 .of_match_table = coda_dt_ids,
3337 module_platform_driver(coda_driver);
3339 MODULE_LICENSE("GPL");
3340 MODULE_AUTHOR("Javier Martin <javier.martin@vista-silicon.com>");
3341 MODULE_DESCRIPTION("Coda multi-standard codec V4L2 driver");