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/platform_data/media/coda.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 4
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(2, 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(2, 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_DECODE_H264, V4L2_PIX_FMT_H264, V4L2_PIX_FMT_YUV420, 1920, 1088),
159 CODA_CODEC(CODA9_MODE_DECODE_MP2, V4L2_PIX_FMT_MPEG2, V4L2_PIX_FMT_YUV420, 1920, 1088),
160 CODA_CODEC(CODA9_MODE_DECODE_MP4, V4L2_PIX_FMT_MPEG4, V4L2_PIX_FMT_YUV420, 1920, 1088),
163 struct coda_video_device {
165 enum coda_inst_type type;
166 const struct coda_context_ops *ops;
168 u32 src_formats[CODA_MAX_FORMATS];
169 u32 dst_formats[CODA_MAX_FORMATS];
172 static const struct coda_video_device coda_bit_encoder = {
173 .name = "coda-encoder",
174 .type = CODA_INST_ENCODER,
175 .ops = &coda_bit_encode_ops,
187 static const struct coda_video_device coda_bit_jpeg_encoder = {
188 .name = "coda-jpeg-encoder",
189 .type = CODA_INST_ENCODER,
190 .ops = &coda_bit_encode_ops,
195 V4L2_PIX_FMT_YUV422P,
202 static const struct coda_video_device coda_bit_decoder = {
203 .name = "coda-decoder",
204 .type = CODA_INST_DECODER,
205 .ops = &coda_bit_decode_ops,
216 * If V4L2_PIX_FMT_YUYV should be default,
217 * set_default_params() must be adjusted.
223 static const struct coda_video_device coda_bit_jpeg_decoder = {
224 .name = "coda-jpeg-decoder",
225 .type = CODA_INST_DECODER,
226 .ops = &coda_bit_decode_ops,
234 V4L2_PIX_FMT_YUV422P,
238 static const struct coda_video_device *codadx6_video_devices[] = {
242 static const struct coda_video_device *codahx4_video_devices[] = {
247 static const struct coda_video_device *coda7_video_devices[] = {
248 &coda_bit_jpeg_encoder,
249 &coda_bit_jpeg_decoder,
254 static const struct coda_video_device *coda9_video_devices[] = {
260 * Normalize all supported YUV 4:2:0 formats to the value used in the codec
263 static u32 coda_format_normalize_yuv(u32 fourcc)
266 case V4L2_PIX_FMT_NV12:
267 case V4L2_PIX_FMT_YUV420:
268 case V4L2_PIX_FMT_YVU420:
269 case V4L2_PIX_FMT_YUV422P:
270 case V4L2_PIX_FMT_YUYV:
271 return V4L2_PIX_FMT_YUV420;
277 static const struct coda_codec *coda_find_codec(struct coda_dev *dev,
278 int src_fourcc, int dst_fourcc)
280 const struct coda_codec *codecs = dev->devtype->codecs;
281 int num_codecs = dev->devtype->num_codecs;
284 src_fourcc = coda_format_normalize_yuv(src_fourcc);
285 dst_fourcc = coda_format_normalize_yuv(dst_fourcc);
286 if (src_fourcc == dst_fourcc)
289 for (k = 0; k < num_codecs; k++) {
290 if (codecs[k].src_fourcc == src_fourcc &&
291 codecs[k].dst_fourcc == dst_fourcc)
301 static void coda_get_max_dimensions(struct coda_dev *dev,
302 const struct coda_codec *codec,
303 int *max_w, int *max_h)
305 const struct coda_codec *codecs = dev->devtype->codecs;
306 int num_codecs = dev->devtype->num_codecs;
314 for (k = 0, w = 0, h = 0; k < num_codecs; k++) {
315 w = max(w, codecs[k].max_w);
316 h = max(h, codecs[k].max_h);
326 static const struct coda_video_device *to_coda_video_device(struct video_device
329 struct coda_dev *dev = video_get_drvdata(vdev);
330 unsigned int i = vdev - dev->vfd;
332 if (i >= dev->devtype->num_vdevs)
335 return dev->devtype->vdevs[i];
338 const char *coda_product_name(int product)
352 snprintf(buf, sizeof(buf), "(0x%04x)", product);
357 static struct vdoa_data *coda_get_vdoa_data(void)
359 struct device_node *vdoa_node;
360 struct platform_device *vdoa_pdev;
361 struct vdoa_data *vdoa_data = NULL;
363 vdoa_node = of_find_compatible_node(NULL, NULL, "fsl,imx6q-vdoa");
367 vdoa_pdev = of_find_device_by_node(vdoa_node);
371 vdoa_data = platform_get_drvdata(vdoa_pdev);
373 vdoa_data = ERR_PTR(-EPROBE_DEFER);
376 of_node_put(vdoa_node);
382 * V4L2 ioctl() operations.
384 static int coda_querycap(struct file *file, void *priv,
385 struct v4l2_capability *cap)
387 struct coda_ctx *ctx = fh_to_ctx(priv);
389 strscpy(cap->driver, CODA_NAME, sizeof(cap->driver));
390 strscpy(cap->card, coda_product_name(ctx->dev->devtype->product),
392 strscpy(cap->bus_info, "platform:" CODA_NAME, sizeof(cap->bus_info));
393 cap->device_caps = V4L2_CAP_VIDEO_M2M | V4L2_CAP_STREAMING;
394 cap->capabilities = cap->device_caps | V4L2_CAP_DEVICE_CAPS;
399 static int coda_enum_fmt(struct file *file, void *priv,
400 struct v4l2_fmtdesc *f)
402 struct video_device *vdev = video_devdata(file);
403 const struct coda_video_device *cvd = to_coda_video_device(vdev);
404 struct coda_ctx *ctx = fh_to_ctx(priv);
407 if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT)
408 formats = cvd->src_formats;
409 else if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE)
410 formats = cvd->dst_formats;
414 if (f->index >= CODA_MAX_FORMATS || formats[f->index] == 0)
417 /* Skip YUYV if the vdoa is not available */
418 if (!ctx->vdoa && f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE &&
419 formats[f->index] == V4L2_PIX_FMT_YUYV)
422 f->pixelformat = formats[f->index];
427 static int coda_g_fmt(struct file *file, void *priv,
428 struct v4l2_format *f)
430 struct coda_q_data *q_data;
431 struct coda_ctx *ctx = fh_to_ctx(priv);
433 q_data = get_q_data(ctx, f->type);
437 f->fmt.pix.field = V4L2_FIELD_NONE;
438 f->fmt.pix.pixelformat = q_data->fourcc;
439 f->fmt.pix.width = q_data->width;
440 f->fmt.pix.height = q_data->height;
441 f->fmt.pix.bytesperline = q_data->bytesperline;
443 f->fmt.pix.sizeimage = q_data->sizeimage;
444 f->fmt.pix.colorspace = ctx->colorspace;
445 f->fmt.pix.xfer_func = ctx->xfer_func;
446 f->fmt.pix.ycbcr_enc = ctx->ycbcr_enc;
447 f->fmt.pix.quantization = ctx->quantization;
452 static int coda_try_pixelformat(struct coda_ctx *ctx, struct v4l2_format *f)
454 struct coda_q_data *q_data;
458 if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT)
459 formats = ctx->cvd->src_formats;
460 else if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE)
461 formats = ctx->cvd->dst_formats;
465 for (i = 0; i < CODA_MAX_FORMATS; i++) {
466 /* Skip YUYV if the vdoa is not available */
467 if (!ctx->vdoa && f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE &&
468 formats[i] == V4L2_PIX_FMT_YUYV)
471 if (formats[i] == f->fmt.pix.pixelformat) {
472 f->fmt.pix.pixelformat = formats[i];
477 /* Fall back to currently set pixelformat */
478 q_data = get_q_data(ctx, f->type);
479 f->fmt.pix.pixelformat = q_data->fourcc;
484 static int coda_try_fmt_vdoa(struct coda_ctx *ctx, struct v4l2_format *f,
489 if (f->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
500 err = vdoa_context_configure(NULL, round_up(f->fmt.pix.width, 16),
501 f->fmt.pix.height, f->fmt.pix.pixelformat);
511 static unsigned int coda_estimate_sizeimage(struct coda_ctx *ctx, u32 sizeimage,
512 u32 width, u32 height)
515 * This is a rough estimate for sensible compressed buffer
516 * sizes (between 1 and 16 bits per pixel). This could be
517 * improved by better format specific worst case estimates.
519 return round_up(clamp(sizeimage, width * height / 8,
520 width * height * 2), PAGE_SIZE);
523 static int coda_try_fmt(struct coda_ctx *ctx, const struct coda_codec *codec,
524 struct v4l2_format *f)
526 struct coda_dev *dev = ctx->dev;
527 unsigned int max_w, max_h;
528 enum v4l2_field field;
530 field = f->fmt.pix.field;
531 if (field == V4L2_FIELD_ANY)
532 field = V4L2_FIELD_NONE;
533 else if (V4L2_FIELD_NONE != field)
536 /* V4L2 specification suggests the driver corrects the format struct
537 * if any of the dimensions is unsupported */
538 f->fmt.pix.field = field;
540 coda_get_max_dimensions(dev, codec, &max_w, &max_h);
541 v4l_bound_align_image(&f->fmt.pix.width, MIN_W, max_w, W_ALIGN,
542 &f->fmt.pix.height, MIN_H, max_h, H_ALIGN,
545 switch (f->fmt.pix.pixelformat) {
546 case V4L2_PIX_FMT_NV12:
547 case V4L2_PIX_FMT_YUV420:
548 case V4L2_PIX_FMT_YVU420:
550 * Frame stride must be at least multiple of 8,
551 * but multiple of 16 for h.264 or JPEG 4:2:x
553 f->fmt.pix.bytesperline = round_up(f->fmt.pix.width, 16);
554 f->fmt.pix.sizeimage = f->fmt.pix.bytesperline *
555 f->fmt.pix.height * 3 / 2;
557 case V4L2_PIX_FMT_YUYV:
558 f->fmt.pix.bytesperline = round_up(f->fmt.pix.width, 16) * 2;
559 f->fmt.pix.sizeimage = f->fmt.pix.bytesperline *
562 case V4L2_PIX_FMT_YUV422P:
563 f->fmt.pix.bytesperline = round_up(f->fmt.pix.width, 16);
564 f->fmt.pix.sizeimage = f->fmt.pix.bytesperline *
565 f->fmt.pix.height * 2;
567 case V4L2_PIX_FMT_JPEG:
568 case V4L2_PIX_FMT_H264:
569 case V4L2_PIX_FMT_MPEG4:
570 case V4L2_PIX_FMT_MPEG2:
571 f->fmt.pix.bytesperline = 0;
572 f->fmt.pix.sizeimage = coda_estimate_sizeimage(ctx,
573 f->fmt.pix.sizeimage,
584 static int coda_try_fmt_vid_cap(struct file *file, void *priv,
585 struct v4l2_format *f)
587 struct coda_ctx *ctx = fh_to_ctx(priv);
588 const struct coda_q_data *q_data_src;
589 const struct coda_codec *codec;
590 struct vb2_queue *src_vq;
594 ret = coda_try_pixelformat(ctx, f);
598 q_data_src = get_q_data(ctx, V4L2_BUF_TYPE_VIDEO_OUTPUT);
601 * If the source format is already fixed, only allow the same output
604 src_vq = v4l2_m2m_get_vq(ctx->fh.m2m_ctx, V4L2_BUF_TYPE_VIDEO_OUTPUT);
605 if (vb2_is_streaming(src_vq)) {
606 f->fmt.pix.width = q_data_src->width;
607 f->fmt.pix.height = q_data_src->height;
610 f->fmt.pix.colorspace = ctx->colorspace;
611 f->fmt.pix.xfer_func = ctx->xfer_func;
612 f->fmt.pix.ycbcr_enc = ctx->ycbcr_enc;
613 f->fmt.pix.quantization = ctx->quantization;
615 q_data_src = get_q_data(ctx, V4L2_BUF_TYPE_VIDEO_OUTPUT);
616 codec = coda_find_codec(ctx->dev, q_data_src->fourcc,
617 f->fmt.pix.pixelformat);
621 ret = coda_try_fmt(ctx, codec, f);
625 /* The h.264 decoder only returns complete 16x16 macroblocks */
626 if (codec && codec->src_fourcc == V4L2_PIX_FMT_H264) {
627 f->fmt.pix.height = round_up(f->fmt.pix.height, 16);
628 f->fmt.pix.bytesperline = round_up(f->fmt.pix.width, 16);
629 f->fmt.pix.sizeimage = f->fmt.pix.bytesperline *
630 f->fmt.pix.height * 3 / 2;
632 ret = coda_try_fmt_vdoa(ctx, f, &use_vdoa);
636 if (f->fmt.pix.pixelformat == V4L2_PIX_FMT_YUYV) {
640 f->fmt.pix.bytesperline = round_up(f->fmt.pix.width, 16) * 2;
641 f->fmt.pix.sizeimage = f->fmt.pix.bytesperline *
649 static void coda_set_default_colorspace(struct v4l2_pix_format *fmt)
651 enum v4l2_colorspace colorspace;
653 if (fmt->pixelformat == V4L2_PIX_FMT_JPEG)
654 colorspace = V4L2_COLORSPACE_JPEG;
655 else if (fmt->width <= 720 && fmt->height <= 576)
656 colorspace = V4L2_COLORSPACE_SMPTE170M;
658 colorspace = V4L2_COLORSPACE_REC709;
660 fmt->colorspace = colorspace;
661 fmt->xfer_func = V4L2_XFER_FUNC_DEFAULT;
662 fmt->ycbcr_enc = V4L2_YCBCR_ENC_DEFAULT;
663 fmt->quantization = V4L2_QUANTIZATION_DEFAULT;
666 static int coda_try_fmt_vid_out(struct file *file, void *priv,
667 struct v4l2_format *f)
669 struct coda_ctx *ctx = fh_to_ctx(priv);
670 struct coda_dev *dev = ctx->dev;
671 const struct coda_q_data *q_data_dst;
672 const struct coda_codec *codec;
675 ret = coda_try_pixelformat(ctx, f);
679 if (f->fmt.pix.colorspace == V4L2_COLORSPACE_DEFAULT)
680 coda_set_default_colorspace(&f->fmt.pix);
682 q_data_dst = get_q_data(ctx, V4L2_BUF_TYPE_VIDEO_CAPTURE);
683 codec = coda_find_codec(dev, f->fmt.pix.pixelformat, q_data_dst->fourcc);
685 return coda_try_fmt(ctx, codec, f);
688 static int coda_s_fmt(struct coda_ctx *ctx, struct v4l2_format *f,
691 struct coda_q_data *q_data;
692 struct vb2_queue *vq;
694 vq = v4l2_m2m_get_vq(ctx->fh.m2m_ctx, f->type);
698 q_data = get_q_data(ctx, f->type);
702 if (vb2_is_busy(vq)) {
703 v4l2_err(&ctx->dev->v4l2_dev, "%s: %s queue busy: %d\n",
704 __func__, v4l2_type_names[f->type], vq->num_buffers);
708 q_data->fourcc = f->fmt.pix.pixelformat;
709 q_data->width = f->fmt.pix.width;
710 q_data->height = f->fmt.pix.height;
711 q_data->bytesperline = f->fmt.pix.bytesperline;
712 q_data->sizeimage = f->fmt.pix.sizeimage;
716 q_data->rect.left = 0;
717 q_data->rect.top = 0;
718 q_data->rect.width = f->fmt.pix.width;
719 q_data->rect.height = f->fmt.pix.height;
722 switch (f->fmt.pix.pixelformat) {
723 case V4L2_PIX_FMT_YUYV:
724 ctx->tiled_map_type = GDI_TILED_FRAME_MB_RASTER_MAP;
726 case V4L2_PIX_FMT_NV12:
727 if (!disable_tiling && ctx->dev->devtype->product == CODA_960) {
728 ctx->tiled_map_type = GDI_TILED_FRAME_MB_RASTER_MAP;
731 /* else fall through */
732 case V4L2_PIX_FMT_YUV420:
733 case V4L2_PIX_FMT_YVU420:
734 ctx->tiled_map_type = GDI_LINEAR_FRAME_MAP;
740 if (ctx->tiled_map_type == GDI_TILED_FRAME_MB_RASTER_MAP &&
741 !coda_try_fmt_vdoa(ctx, f, &ctx->use_vdoa) &&
743 vdoa_context_configure(ctx->vdoa,
744 round_up(f->fmt.pix.width, 16),
746 f->fmt.pix.pixelformat);
748 ctx->use_vdoa = false;
750 coda_dbg(1, ctx, "Setting %s format, wxh: %dx%d, fmt: %4.4s %c\n",
751 v4l2_type_names[f->type], q_data->width, q_data->height,
752 (char *)&q_data->fourcc,
753 (ctx->tiled_map_type == GDI_LINEAR_FRAME_MAP) ? 'L' : 'T');
758 static int coda_s_fmt_vid_cap(struct file *file, void *priv,
759 struct v4l2_format *f)
761 struct coda_ctx *ctx = fh_to_ctx(priv);
762 struct coda_q_data *q_data_src;
763 const struct coda_codec *codec;
767 ret = coda_try_fmt_vid_cap(file, priv, f);
771 q_data_src = get_q_data(ctx, V4L2_BUF_TYPE_VIDEO_OUTPUT);
774 r.width = q_data_src->width;
775 r.height = q_data_src->height;
777 ret = coda_s_fmt(ctx, f, &r);
781 if (ctx->inst_type != CODA_INST_ENCODER)
784 /* Setting the coded format determines the selected codec */
785 codec = coda_find_codec(ctx->dev, q_data_src->fourcc,
786 f->fmt.pix.pixelformat);
788 v4l2_err(&ctx->dev->v4l2_dev, "failed to determine codec\n");
793 ctx->colorspace = f->fmt.pix.colorspace;
794 ctx->xfer_func = f->fmt.pix.xfer_func;
795 ctx->ycbcr_enc = f->fmt.pix.ycbcr_enc;
796 ctx->quantization = f->fmt.pix.quantization;
801 static int coda_s_fmt_vid_out(struct file *file, void *priv,
802 struct v4l2_format *f)
804 struct coda_ctx *ctx = fh_to_ctx(priv);
805 const struct coda_codec *codec;
806 struct v4l2_format f_cap;
807 struct vb2_queue *dst_vq;
810 ret = coda_try_fmt_vid_out(file, priv, f);
814 ret = coda_s_fmt(ctx, f, NULL);
818 ctx->colorspace = f->fmt.pix.colorspace;
819 ctx->xfer_func = f->fmt.pix.xfer_func;
820 ctx->ycbcr_enc = f->fmt.pix.ycbcr_enc;
821 ctx->quantization = f->fmt.pix.quantization;
823 if (ctx->inst_type != CODA_INST_DECODER)
826 /* Setting the coded format determines the selected codec */
827 codec = coda_find_codec(ctx->dev, f->fmt.pix.pixelformat,
828 V4L2_PIX_FMT_YUV420);
830 v4l2_err(&ctx->dev->v4l2_dev, "failed to determine codec\n");
835 dst_vq = v4l2_m2m_get_vq(ctx->fh.m2m_ctx, V4L2_BUF_TYPE_VIDEO_CAPTURE);
840 * Setting the capture queue format is not possible while the capture
841 * queue is still busy. This is not an error, but the user will have to
842 * make sure themselves that the capture format is set correctly before
843 * starting the output queue again.
845 if (vb2_is_busy(dst_vq))
848 memset(&f_cap, 0, sizeof(f_cap));
849 f_cap.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
850 coda_g_fmt(file, priv, &f_cap);
851 f_cap.fmt.pix.width = f->fmt.pix.width;
852 f_cap.fmt.pix.height = f->fmt.pix.height;
854 return coda_s_fmt_vid_cap(file, priv, &f_cap);
857 static int coda_reqbufs(struct file *file, void *priv,
858 struct v4l2_requestbuffers *rb)
860 struct coda_ctx *ctx = fh_to_ctx(priv);
863 ret = v4l2_m2m_reqbufs(file, ctx->fh.m2m_ctx, rb);
868 * Allow to allocate instance specific per-context buffers, such as
869 * bitstream ringbuffer, slice buffer, work buffer, etc. if needed.
871 if (rb->type == V4L2_BUF_TYPE_VIDEO_OUTPUT && ctx->ops->reqbufs)
872 return ctx->ops->reqbufs(ctx, rb);
877 static int coda_qbuf(struct file *file, void *priv,
878 struct v4l2_buffer *buf)
880 struct coda_ctx *ctx = fh_to_ctx(priv);
882 return v4l2_m2m_qbuf(file, ctx->fh.m2m_ctx, buf);
885 static bool coda_buf_is_end_of_stream(struct coda_ctx *ctx,
886 struct vb2_v4l2_buffer *buf)
888 return ((ctx->bit_stream_param & CODA_BIT_STREAM_END_FLAG) &&
889 (buf->sequence == (ctx->qsequence - 1)));
892 void coda_m2m_buf_done(struct coda_ctx *ctx, struct vb2_v4l2_buffer *buf,
893 enum vb2_buffer_state state)
895 const struct v4l2_event eos_event = {
896 .type = V4L2_EVENT_EOS
899 if (coda_buf_is_end_of_stream(ctx, buf)) {
900 buf->flags |= V4L2_BUF_FLAG_LAST;
902 v4l2_event_queue_fh(&ctx->fh, &eos_event);
905 v4l2_m2m_buf_done(buf, state);
908 static int coda_g_selection(struct file *file, void *fh,
909 struct v4l2_selection *s)
911 struct coda_ctx *ctx = fh_to_ctx(fh);
912 struct coda_q_data *q_data;
913 struct v4l2_rect r, *rsel;
915 q_data = get_q_data(ctx, s->type);
921 r.width = q_data->width;
922 r.height = q_data->height;
923 rsel = &q_data->rect;
926 case V4L2_SEL_TGT_CROP_DEFAULT:
927 case V4L2_SEL_TGT_CROP_BOUNDS:
930 case V4L2_SEL_TGT_CROP:
931 if (s->type != V4L2_BUF_TYPE_VIDEO_OUTPUT)
934 case V4L2_SEL_TGT_COMPOSE_BOUNDS:
935 case V4L2_SEL_TGT_COMPOSE_PADDED:
938 case V4L2_SEL_TGT_COMPOSE:
939 case V4L2_SEL_TGT_COMPOSE_DEFAULT:
940 if (s->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
952 static int coda_s_selection(struct file *file, void *fh,
953 struct v4l2_selection *s)
955 struct coda_ctx *ctx = fh_to_ctx(fh);
956 struct coda_q_data *q_data;
959 case V4L2_SEL_TGT_CROP:
960 if (ctx->inst_type == CODA_INST_ENCODER &&
961 s->type == V4L2_BUF_TYPE_VIDEO_OUTPUT) {
962 q_data = get_q_data(ctx, s->type);
968 s->r.width = clamp(s->r.width, 2U, q_data->width);
969 s->r.height = clamp(s->r.height, 2U, q_data->height);
971 if (s->flags & V4L2_SEL_FLAG_LE) {
972 s->r.width = round_up(s->r.width, 2);
973 s->r.height = round_up(s->r.height, 2);
975 s->r.width = round_down(s->r.width, 2);
976 s->r.height = round_down(s->r.height, 2);
981 coda_dbg(1, ctx, "Setting crop rectangle: %dx%d\n",
982 s->r.width, s->r.height);
986 /* else fall through */
987 case V4L2_SEL_TGT_NATIVE_SIZE:
988 case V4L2_SEL_TGT_COMPOSE:
989 return coda_g_selection(file, fh, s);
991 /* v4l2-compliance expects this to fail for read-only targets */
996 static int coda_try_encoder_cmd(struct file *file, void *fh,
997 struct v4l2_encoder_cmd *ec)
999 struct coda_ctx *ctx = fh_to_ctx(fh);
1001 if (ctx->inst_type != CODA_INST_ENCODER)
1004 if (ec->cmd != V4L2_ENC_CMD_STOP)
1007 if (ec->flags & V4L2_ENC_CMD_STOP_AT_GOP_END)
1013 static int coda_encoder_cmd(struct file *file, void *fh,
1014 struct v4l2_encoder_cmd *ec)
1016 struct coda_ctx *ctx = fh_to_ctx(fh);
1017 struct vb2_queue *dst_vq;
1020 ret = coda_try_encoder_cmd(file, fh, ec);
1024 /* Set the stream-end flag on this context */
1025 ctx->bit_stream_param |= CODA_BIT_STREAM_END_FLAG;
1027 /* If there is no buffer in flight, wake up */
1028 if (!ctx->streamon_out || ctx->qsequence == ctx->osequence) {
1029 dst_vq = v4l2_m2m_get_vq(ctx->fh.m2m_ctx,
1030 V4L2_BUF_TYPE_VIDEO_CAPTURE);
1031 dst_vq->last_buffer_dequeued = true;
1032 wake_up(&dst_vq->done_wq);
1038 static int coda_try_decoder_cmd(struct file *file, void *fh,
1039 struct v4l2_decoder_cmd *dc)
1041 struct coda_ctx *ctx = fh_to_ctx(fh);
1043 if (ctx->inst_type != CODA_INST_DECODER)
1046 if (dc->cmd != V4L2_DEC_CMD_STOP)
1049 if (dc->flags & V4L2_DEC_CMD_STOP_TO_BLACK)
1052 if (!(dc->flags & V4L2_DEC_CMD_STOP_IMMEDIATELY) && (dc->stop.pts != 0))
1058 static int coda_decoder_cmd(struct file *file, void *fh,
1059 struct v4l2_decoder_cmd *dc)
1061 struct coda_ctx *ctx = fh_to_ctx(fh);
1064 ret = coda_try_decoder_cmd(file, fh, dc);
1068 /* Set the stream-end flag on this context */
1069 coda_bit_stream_end_flag(ctx);
1071 v4l2_m2m_try_schedule(ctx->fh.m2m_ctx);
1076 static int coda_enum_framesizes(struct file *file, void *fh,
1077 struct v4l2_frmsizeenum *fsize)
1079 struct coda_ctx *ctx = fh_to_ctx(fh);
1080 struct coda_q_data *q_data_dst;
1081 const struct coda_codec *codec;
1083 if (ctx->inst_type != CODA_INST_ENCODER)
1089 if (coda_format_normalize_yuv(fsize->pixel_format) ==
1090 V4L2_PIX_FMT_YUV420) {
1091 q_data_dst = get_q_data(ctx, V4L2_BUF_TYPE_VIDEO_CAPTURE);
1092 codec = coda_find_codec(ctx->dev, fsize->pixel_format,
1093 q_data_dst->fourcc);
1095 codec = coda_find_codec(ctx->dev, V4L2_PIX_FMT_YUV420,
1096 fsize->pixel_format);
1101 fsize->type = V4L2_FRMSIZE_TYPE_CONTINUOUS;
1102 fsize->stepwise.min_width = MIN_W;
1103 fsize->stepwise.max_width = codec->max_w;
1104 fsize->stepwise.step_width = 1;
1105 fsize->stepwise.min_height = MIN_H;
1106 fsize->stepwise.max_height = codec->max_h;
1107 fsize->stepwise.step_height = 1;
1112 static int coda_enum_frameintervals(struct file *file, void *fh,
1113 struct v4l2_frmivalenum *f)
1115 struct coda_ctx *ctx = fh_to_ctx(fh);
1121 /* Disallow YUYV if the vdoa is not available */
1122 if (!ctx->vdoa && f->pixel_format == V4L2_PIX_FMT_YUYV)
1125 for (i = 0; i < CODA_MAX_FORMATS; i++) {
1126 if (f->pixel_format == ctx->cvd->src_formats[i] ||
1127 f->pixel_format == ctx->cvd->dst_formats[i])
1130 if (i == CODA_MAX_FORMATS)
1133 f->type = V4L2_FRMIVAL_TYPE_CONTINUOUS;
1134 f->stepwise.min.numerator = 1;
1135 f->stepwise.min.denominator = 65535;
1136 f->stepwise.max.numerator = 65536;
1137 f->stepwise.max.denominator = 1;
1138 f->stepwise.step.numerator = 1;
1139 f->stepwise.step.denominator = 1;
1144 static int coda_g_parm(struct file *file, void *fh, struct v4l2_streamparm *a)
1146 struct coda_ctx *ctx = fh_to_ctx(fh);
1147 struct v4l2_fract *tpf;
1149 if (a->type != V4L2_BUF_TYPE_VIDEO_OUTPUT)
1152 a->parm.output.capability = V4L2_CAP_TIMEPERFRAME;
1153 tpf = &a->parm.output.timeperframe;
1154 tpf->denominator = ctx->params.framerate & CODA_FRATE_RES_MASK;
1155 tpf->numerator = 1 + (ctx->params.framerate >>
1156 CODA_FRATE_DIV_OFFSET);
1162 * Approximate timeperframe v4l2_fract with values that can be written
1163 * into the 16-bit CODA_FRATE_DIV and CODA_FRATE_RES fields.
1165 static void coda_approximate_timeperframe(struct v4l2_fract *timeperframe)
1167 struct v4l2_fract s = *timeperframe;
1168 struct v4l2_fract f0;
1169 struct v4l2_fract f1 = { 1, 0 };
1170 struct v4l2_fract f2 = { 0, 1 };
1171 unsigned int i, div, s_denominator;
1173 /* Lower bound is 1/65535 */
1174 if (s.numerator == 0 || s.denominator / s.numerator > 65535) {
1175 timeperframe->numerator = 1;
1176 timeperframe->denominator = 65535;
1180 /* Upper bound is 65536/1 */
1181 if (s.denominator == 0 || s.numerator / s.denominator > 65536) {
1182 timeperframe->numerator = 65536;
1183 timeperframe->denominator = 1;
1187 /* Reduce fraction to lowest terms */
1188 div = gcd(s.numerator, s.denominator);
1191 s.denominator /= div;
1194 if (s.numerator <= 65536 && s.denominator < 65536) {
1199 /* Find successive convergents from continued fraction expansion */
1200 while (f2.numerator <= 65536 && f2.denominator < 65536) {
1204 /* Stop when f2 exactly equals timeperframe */
1205 if (s.numerator == 0)
1208 i = s.denominator / s.numerator;
1210 f2.numerator = f0.numerator + i * f1.numerator;
1211 f2.denominator = f0.denominator + i * f2.denominator;
1213 s_denominator = s.numerator;
1214 s.numerator = s.denominator % s.numerator;
1215 s.denominator = s_denominator;
1221 static uint32_t coda_timeperframe_to_frate(struct v4l2_fract *timeperframe)
1223 return ((timeperframe->numerator - 1) << CODA_FRATE_DIV_OFFSET) |
1224 timeperframe->denominator;
1227 static int coda_s_parm(struct file *file, void *fh, struct v4l2_streamparm *a)
1229 struct coda_ctx *ctx = fh_to_ctx(fh);
1230 struct v4l2_fract *tpf;
1232 if (a->type != V4L2_BUF_TYPE_VIDEO_OUTPUT)
1235 a->parm.output.capability = V4L2_CAP_TIMEPERFRAME;
1236 tpf = &a->parm.output.timeperframe;
1237 coda_approximate_timeperframe(tpf);
1238 ctx->params.framerate = coda_timeperframe_to_frate(tpf);
1243 static int coda_subscribe_event(struct v4l2_fh *fh,
1244 const struct v4l2_event_subscription *sub)
1246 switch (sub->type) {
1247 case V4L2_EVENT_EOS:
1248 return v4l2_event_subscribe(fh, sub, 0, NULL);
1250 return v4l2_ctrl_subscribe_event(fh, sub);
1254 static const struct v4l2_ioctl_ops coda_ioctl_ops = {
1255 .vidioc_querycap = coda_querycap,
1257 .vidioc_enum_fmt_vid_cap = coda_enum_fmt,
1258 .vidioc_g_fmt_vid_cap = coda_g_fmt,
1259 .vidioc_try_fmt_vid_cap = coda_try_fmt_vid_cap,
1260 .vidioc_s_fmt_vid_cap = coda_s_fmt_vid_cap,
1262 .vidioc_enum_fmt_vid_out = coda_enum_fmt,
1263 .vidioc_g_fmt_vid_out = coda_g_fmt,
1264 .vidioc_try_fmt_vid_out = coda_try_fmt_vid_out,
1265 .vidioc_s_fmt_vid_out = coda_s_fmt_vid_out,
1267 .vidioc_reqbufs = coda_reqbufs,
1268 .vidioc_querybuf = v4l2_m2m_ioctl_querybuf,
1270 .vidioc_qbuf = coda_qbuf,
1271 .vidioc_expbuf = v4l2_m2m_ioctl_expbuf,
1272 .vidioc_dqbuf = v4l2_m2m_ioctl_dqbuf,
1273 .vidioc_create_bufs = v4l2_m2m_ioctl_create_bufs,
1274 .vidioc_prepare_buf = v4l2_m2m_ioctl_prepare_buf,
1276 .vidioc_streamon = v4l2_m2m_ioctl_streamon,
1277 .vidioc_streamoff = v4l2_m2m_ioctl_streamoff,
1279 .vidioc_g_selection = coda_g_selection,
1280 .vidioc_s_selection = coda_s_selection,
1282 .vidioc_try_encoder_cmd = coda_try_encoder_cmd,
1283 .vidioc_encoder_cmd = coda_encoder_cmd,
1284 .vidioc_try_decoder_cmd = coda_try_decoder_cmd,
1285 .vidioc_decoder_cmd = coda_decoder_cmd,
1287 .vidioc_g_parm = coda_g_parm,
1288 .vidioc_s_parm = coda_s_parm,
1290 .vidioc_enum_framesizes = coda_enum_framesizes,
1291 .vidioc_enum_frameintervals = coda_enum_frameintervals,
1293 .vidioc_subscribe_event = coda_subscribe_event,
1294 .vidioc_unsubscribe_event = v4l2_event_unsubscribe,
1298 * Mem-to-mem operations.
1301 static void coda_device_run(void *m2m_priv)
1303 struct coda_ctx *ctx = m2m_priv;
1304 struct coda_dev *dev = ctx->dev;
1306 queue_work(dev->workqueue, &ctx->pic_run_work);
1309 static void coda_pic_run_work(struct work_struct *work)
1311 struct coda_ctx *ctx = container_of(work, struct coda_ctx, pic_run_work);
1312 struct coda_dev *dev = ctx->dev;
1315 mutex_lock(&ctx->buffer_mutex);
1316 mutex_lock(&dev->coda_mutex);
1318 ret = ctx->ops->prepare_run(ctx);
1319 if (ret < 0 && ctx->inst_type == CODA_INST_DECODER) {
1320 mutex_unlock(&dev->coda_mutex);
1321 mutex_unlock(&ctx->buffer_mutex);
1322 /* job_finish scheduled by prepare_decode */
1326 if (!wait_for_completion_timeout(&ctx->completion,
1327 msecs_to_jiffies(1000))) {
1328 dev_err(&dev->plat_dev->dev, "CODA PIC_RUN timeout\n");
1334 if (ctx->ops->run_timeout)
1335 ctx->ops->run_timeout(ctx);
1336 } else if (!ctx->aborting) {
1337 ctx->ops->finish_run(ctx);
1340 if ((ctx->aborting || (!ctx->streamon_cap && !ctx->streamon_out)) &&
1341 ctx->ops->seq_end_work)
1342 queue_work(dev->workqueue, &ctx->seq_end_work);
1344 mutex_unlock(&dev->coda_mutex);
1345 mutex_unlock(&ctx->buffer_mutex);
1347 v4l2_m2m_job_finish(ctx->dev->m2m_dev, ctx->fh.m2m_ctx);
1350 static int coda_job_ready(void *m2m_priv)
1352 struct coda_ctx *ctx = m2m_priv;
1353 int src_bufs = v4l2_m2m_num_src_bufs_ready(ctx->fh.m2m_ctx);
1356 * For both 'P' and 'key' frame cases 1 picture
1357 * and 1 frame are needed. In the decoder case,
1358 * the compressed frame can be in the bitstream.
1360 if (!src_bufs && ctx->inst_type != CODA_INST_DECODER) {
1361 coda_dbg(1, ctx, "not ready: not enough vid-out buffers.\n");
1365 if (!v4l2_m2m_num_dst_bufs_ready(ctx->fh.m2m_ctx)) {
1366 coda_dbg(1, ctx, "not ready: not enough vid-cap buffers.\n");
1370 if (ctx->inst_type == CODA_INST_DECODER && ctx->use_bit) {
1371 bool stream_end = ctx->bit_stream_param &
1372 CODA_BIT_STREAM_END_FLAG;
1373 int num_metas = ctx->num_metas;
1374 struct coda_buffer_meta *meta;
1377 count = hweight32(ctx->frm_dis_flg);
1378 if (ctx->use_vdoa && count >= (ctx->num_internal_frames - 1)) {
1380 "not ready: all internal buffers in use: %d/%d (0x%x)",
1381 count, ctx->num_internal_frames,
1386 if (ctx->hold && !src_bufs) {
1388 "not ready: on hold for more buffers.\n");
1392 if (!stream_end && (num_metas + src_bufs) < 2) {
1394 "not ready: need 2 buffers available (queue:%d + bitstream:%d)\n",
1395 num_metas, src_bufs);
1399 meta = list_first_entry(&ctx->buffer_meta_list,
1400 struct coda_buffer_meta, list);
1401 if (!coda_bitstream_can_fetch_past(ctx, meta->end) &&
1404 "not ready: not enough bitstream data to read past %u (%u)\n",
1405 meta->end, ctx->bitstream_fifo.kfifo.in);
1410 if (ctx->aborting) {
1411 coda_dbg(1, ctx, "not ready: aborting\n");
1415 coda_dbg(1, ctx, "job ready\n");
1420 static void coda_job_abort(void *priv)
1422 struct coda_ctx *ctx = priv;
1426 coda_dbg(1, ctx, "job abort\n");
1429 static const struct v4l2_m2m_ops coda_m2m_ops = {
1430 .device_run = coda_device_run,
1431 .job_ready = coda_job_ready,
1432 .job_abort = coda_job_abort,
1435 static void set_default_params(struct coda_ctx *ctx)
1437 unsigned int max_w, max_h, usize, csize;
1439 ctx->codec = coda_find_codec(ctx->dev, ctx->cvd->src_formats[0],
1440 ctx->cvd->dst_formats[0]);
1441 max_w = min(ctx->codec->max_w, 1920U);
1442 max_h = min(ctx->codec->max_h, 1088U);
1443 usize = max_w * max_h * 3 / 2;
1444 csize = coda_estimate_sizeimage(ctx, usize, max_w, max_h);
1446 ctx->params.codec_mode = ctx->codec->mode;
1447 if (ctx->cvd->src_formats[0] == V4L2_PIX_FMT_JPEG)
1448 ctx->colorspace = V4L2_COLORSPACE_JPEG;
1450 ctx->colorspace = V4L2_COLORSPACE_REC709;
1451 ctx->xfer_func = V4L2_XFER_FUNC_DEFAULT;
1452 ctx->ycbcr_enc = V4L2_YCBCR_ENC_DEFAULT;
1453 ctx->quantization = V4L2_QUANTIZATION_DEFAULT;
1454 ctx->params.framerate = 30;
1456 /* Default formats for output and input queues */
1457 ctx->q_data[V4L2_M2M_SRC].fourcc = ctx->cvd->src_formats[0];
1458 ctx->q_data[V4L2_M2M_DST].fourcc = ctx->cvd->dst_formats[0];
1459 ctx->q_data[V4L2_M2M_SRC].width = max_w;
1460 ctx->q_data[V4L2_M2M_SRC].height = max_h;
1461 ctx->q_data[V4L2_M2M_DST].width = max_w;
1462 ctx->q_data[V4L2_M2M_DST].height = max_h;
1463 if (ctx->codec->src_fourcc == V4L2_PIX_FMT_YUV420) {
1464 ctx->q_data[V4L2_M2M_SRC].bytesperline = max_w;
1465 ctx->q_data[V4L2_M2M_SRC].sizeimage = usize;
1466 ctx->q_data[V4L2_M2M_DST].bytesperline = 0;
1467 ctx->q_data[V4L2_M2M_DST].sizeimage = csize;
1469 ctx->q_data[V4L2_M2M_SRC].bytesperline = 0;
1470 ctx->q_data[V4L2_M2M_SRC].sizeimage = csize;
1471 ctx->q_data[V4L2_M2M_DST].bytesperline = max_w;
1472 ctx->q_data[V4L2_M2M_DST].sizeimage = usize;
1474 ctx->q_data[V4L2_M2M_SRC].rect.width = max_w;
1475 ctx->q_data[V4L2_M2M_SRC].rect.height = max_h;
1476 ctx->q_data[V4L2_M2M_DST].rect.width = max_w;
1477 ctx->q_data[V4L2_M2M_DST].rect.height = max_h;
1480 * Since the RBC2AXI logic only supports a single chroma plane,
1481 * macroblock tiling only works for to NV12 pixel format.
1483 ctx->tiled_map_type = GDI_LINEAR_FRAME_MAP;
1489 static int coda_queue_setup(struct vb2_queue *vq,
1490 unsigned int *nbuffers, unsigned int *nplanes,
1491 unsigned int sizes[], struct device *alloc_devs[])
1493 struct coda_ctx *ctx = vb2_get_drv_priv(vq);
1494 struct coda_q_data *q_data;
1497 q_data = get_q_data(ctx, vq->type);
1498 size = q_data->sizeimage;
1501 return sizes[0] < size ? -EINVAL : 0;
1506 coda_dbg(1, ctx, "get %d buffer(s) of size %d each.\n", *nbuffers,
1512 static int coda_buf_prepare(struct vb2_buffer *vb)
1514 struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
1515 struct coda_ctx *ctx = vb2_get_drv_priv(vb->vb2_queue);
1516 struct coda_q_data *q_data;
1518 q_data = get_q_data(ctx, vb->vb2_queue->type);
1519 if (V4L2_TYPE_IS_OUTPUT(vb->vb2_queue->type)) {
1520 if (vbuf->field == V4L2_FIELD_ANY)
1521 vbuf->field = V4L2_FIELD_NONE;
1522 if (vbuf->field != V4L2_FIELD_NONE) {
1523 v4l2_warn(&ctx->dev->v4l2_dev,
1524 "%s field isn't supported\n", __func__);
1529 if (vb2_plane_size(vb, 0) < q_data->sizeimage) {
1530 v4l2_warn(&ctx->dev->v4l2_dev,
1531 "%s data will not fit into plane (%lu < %lu)\n",
1532 __func__, vb2_plane_size(vb, 0),
1533 (long)q_data->sizeimage);
1540 static void coda_update_menu_ctrl(struct v4l2_ctrl *ctrl, int value)
1545 v4l2_ctrl_lock(ctrl);
1548 * Extend the control range if the parsed stream contains a known but
1549 * unsupported value or level.
1551 if (value > ctrl->maximum) {
1552 __v4l2_ctrl_modify_range(ctrl, ctrl->minimum, value,
1553 ctrl->menu_skip_mask & ~(1 << value),
1554 ctrl->default_value);
1555 } else if (value < ctrl->minimum) {
1556 __v4l2_ctrl_modify_range(ctrl, value, ctrl->maximum,
1557 ctrl->menu_skip_mask & ~(1 << value),
1558 ctrl->default_value);
1561 __v4l2_ctrl_s_ctrl(ctrl, value);
1563 v4l2_ctrl_unlock(ctrl);
1566 static void coda_update_h264_profile_ctrl(struct coda_ctx *ctx)
1568 const char * const *profile_names;
1571 profile = coda_h264_profile(ctx->params.h264_profile_idc);
1573 v4l2_warn(&ctx->dev->v4l2_dev, "Invalid H264 Profile: %u\n",
1574 ctx->params.h264_profile_idc);
1578 coda_update_menu_ctrl(ctx->h264_profile_ctrl, profile);
1580 profile_names = v4l2_ctrl_get_menu(V4L2_CID_MPEG_VIDEO_H264_PROFILE);
1582 coda_dbg(1, ctx, "Parsed H264 Profile: %s\n", profile_names[profile]);
1585 static void coda_update_h264_level_ctrl(struct coda_ctx *ctx)
1587 const char * const *level_names;
1590 level = coda_h264_level(ctx->params.h264_level_idc);
1592 v4l2_warn(&ctx->dev->v4l2_dev, "Invalid H264 Level: %u\n",
1593 ctx->params.h264_level_idc);
1597 coda_update_menu_ctrl(ctx->h264_level_ctrl, level);
1599 level_names = v4l2_ctrl_get_menu(V4L2_CID_MPEG_VIDEO_H264_LEVEL);
1601 coda_dbg(1, ctx, "Parsed H264 Level: %s\n", level_names[level]);
1604 static void coda_buf_queue(struct vb2_buffer *vb)
1606 struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
1607 struct coda_ctx *ctx = vb2_get_drv_priv(vb->vb2_queue);
1608 struct vb2_queue *vq = vb->vb2_queue;
1609 struct coda_q_data *q_data;
1611 q_data = get_q_data(ctx, vb->vb2_queue->type);
1614 * In the decoder case, immediately try to copy the buffer into the
1615 * bitstream ringbuffer and mark it as ready to be dequeued.
1617 if (ctx->bitstream.size && vq->type == V4L2_BUF_TYPE_VIDEO_OUTPUT) {
1619 * For backwards compatibility, queuing an empty buffer marks
1622 if (vb2_get_plane_payload(vb, 0) == 0)
1623 coda_bit_stream_end_flag(ctx);
1625 if (q_data->fourcc == V4L2_PIX_FMT_H264) {
1627 * Unless already done, try to obtain profile_idc and
1628 * level_idc from the SPS header. This allows to decide
1629 * whether to enable reordering during sequence
1632 if (!ctx->params.h264_profile_idc) {
1633 coda_sps_parse_profile(ctx, vb);
1634 coda_update_h264_profile_ctrl(ctx);
1635 coda_update_h264_level_ctrl(ctx);
1639 mutex_lock(&ctx->bitstream_mutex);
1640 v4l2_m2m_buf_queue(ctx->fh.m2m_ctx, vbuf);
1641 if (vb2_is_streaming(vb->vb2_queue))
1642 /* This set buf->sequence = ctx->qsequence++ */
1643 coda_fill_bitstream(ctx, NULL);
1644 mutex_unlock(&ctx->bitstream_mutex);
1646 if (ctx->inst_type == CODA_INST_ENCODER &&
1647 vq->type == V4L2_BUF_TYPE_VIDEO_OUTPUT)
1648 vbuf->sequence = ctx->qsequence++;
1649 v4l2_m2m_buf_queue(ctx->fh.m2m_ctx, vbuf);
1653 int coda_alloc_aux_buf(struct coda_dev *dev, struct coda_aux_buf *buf,
1654 size_t size, const char *name, struct dentry *parent)
1656 buf->vaddr = dma_alloc_coherent(&dev->plat_dev->dev, size, &buf->paddr,
1659 v4l2_err(&dev->v4l2_dev,
1660 "Failed to allocate %s buffer of size %zu\n",
1667 if (name && parent) {
1668 buf->blob.data = buf->vaddr;
1669 buf->blob.size = size;
1670 buf->dentry = debugfs_create_blob(name, 0644, parent,
1673 dev_warn(&dev->plat_dev->dev,
1674 "failed to create debugfs entry %s\n", name);
1680 void coda_free_aux_buf(struct coda_dev *dev,
1681 struct coda_aux_buf *buf)
1684 dma_free_coherent(&dev->plat_dev->dev, buf->size,
1685 buf->vaddr, buf->paddr);
1688 debugfs_remove(buf->dentry);
1693 static int coda_start_streaming(struct vb2_queue *q, unsigned int count)
1695 struct coda_ctx *ctx = vb2_get_drv_priv(q);
1696 struct v4l2_device *v4l2_dev = &ctx->dev->v4l2_dev;
1697 struct coda_q_data *q_data_src, *q_data_dst;
1698 struct v4l2_m2m_buffer *m2m_buf, *tmp;
1699 struct vb2_v4l2_buffer *buf;
1700 struct list_head list;
1706 coda_dbg(1, ctx, "start streaming %s\n", v4l2_type_names[q->type]);
1708 INIT_LIST_HEAD(&list);
1710 q_data_src = get_q_data(ctx, V4L2_BUF_TYPE_VIDEO_OUTPUT);
1711 if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT) {
1712 if (ctx->inst_type == CODA_INST_DECODER && ctx->use_bit) {
1713 /* copy the buffers that were queued before streamon */
1714 mutex_lock(&ctx->bitstream_mutex);
1715 coda_fill_bitstream(ctx, &list);
1716 mutex_unlock(&ctx->bitstream_mutex);
1718 if (coda_get_bitstream_payload(ctx) < 512) {
1724 ctx->streamon_out = 1;
1726 ctx->streamon_cap = 1;
1729 /* Don't start the coda unless both queues are on */
1730 if (!(ctx->streamon_out && ctx->streamon_cap))
1733 q_data_dst = get_q_data(ctx, V4L2_BUF_TYPE_VIDEO_CAPTURE);
1734 if ((q_data_src->rect.width != q_data_dst->width &&
1735 round_up(q_data_src->rect.width, 16) != q_data_dst->width) ||
1736 (q_data_src->rect.height != q_data_dst->height &&
1737 round_up(q_data_src->rect.height, 16) != q_data_dst->height)) {
1738 v4l2_err(v4l2_dev, "can't convert %dx%d to %dx%d\n",
1739 q_data_src->rect.width, q_data_src->rect.height,
1740 q_data_dst->width, q_data_dst->height);
1745 /* Allow BIT decoder device_run with no new buffers queued */
1746 if (ctx->inst_type == CODA_INST_DECODER && ctx->use_bit)
1747 v4l2_m2m_set_src_buffered(ctx->fh.m2m_ctx, true);
1749 ctx->gopcounter = ctx->params.gop_size - 1;
1751 if (q_data_dst->fourcc == V4L2_PIX_FMT_JPEG)
1752 ctx->params.gop_size = 1;
1753 ctx->gopcounter = ctx->params.gop_size - 1;
1755 ret = ctx->ops->start_streaming(ctx);
1756 if (ctx->inst_type == CODA_INST_DECODER) {
1764 if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT) {
1765 list_for_each_entry_safe(m2m_buf, tmp, &list, list) {
1766 list_del(&m2m_buf->list);
1767 v4l2_m2m_buf_done(&m2m_buf->vb, VB2_BUF_STATE_DONE);
1773 if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT) {
1774 list_for_each_entry_safe(m2m_buf, tmp, &list, list) {
1775 list_del(&m2m_buf->list);
1776 v4l2_m2m_buf_done(&m2m_buf->vb, VB2_BUF_STATE_QUEUED);
1778 while ((buf = v4l2_m2m_src_buf_remove(ctx->fh.m2m_ctx)))
1779 v4l2_m2m_buf_done(buf, VB2_BUF_STATE_QUEUED);
1781 while ((buf = v4l2_m2m_dst_buf_remove(ctx->fh.m2m_ctx)))
1782 v4l2_m2m_buf_done(buf, VB2_BUF_STATE_QUEUED);
1787 static void coda_stop_streaming(struct vb2_queue *q)
1789 struct coda_ctx *ctx = vb2_get_drv_priv(q);
1790 struct coda_dev *dev = ctx->dev;
1791 struct vb2_v4l2_buffer *buf;
1794 stop = ctx->streamon_out && ctx->streamon_cap;
1796 coda_dbg(1, ctx, "stop streaming %s\n", v4l2_type_names[q->type]);
1798 if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT) {
1799 ctx->streamon_out = 0;
1801 coda_bit_stream_end_flag(ctx);
1805 while ((buf = v4l2_m2m_src_buf_remove(ctx->fh.m2m_ctx)))
1806 v4l2_m2m_buf_done(buf, VB2_BUF_STATE_ERROR);
1808 ctx->streamon_cap = 0;
1811 ctx->sequence_offset = 0;
1813 while ((buf = v4l2_m2m_dst_buf_remove(ctx->fh.m2m_ctx)))
1814 v4l2_m2m_buf_done(buf, VB2_BUF_STATE_ERROR);
1818 struct coda_buffer_meta *meta;
1820 if (ctx->ops->seq_end_work) {
1821 queue_work(dev->workqueue, &ctx->seq_end_work);
1822 flush_work(&ctx->seq_end_work);
1824 spin_lock(&ctx->buffer_meta_lock);
1825 while (!list_empty(&ctx->buffer_meta_list)) {
1826 meta = list_first_entry(&ctx->buffer_meta_list,
1827 struct coda_buffer_meta, list);
1828 list_del(&meta->list);
1832 spin_unlock(&ctx->buffer_meta_lock);
1833 kfifo_init(&ctx->bitstream_fifo,
1834 ctx->bitstream.vaddr, ctx->bitstream.size);
1835 ctx->runcounter = 0;
1840 if (!ctx->streamon_out && !ctx->streamon_cap)
1841 ctx->bit_stream_param &= ~CODA_BIT_STREAM_END_FLAG;
1844 static const struct vb2_ops coda_qops = {
1845 .queue_setup = coda_queue_setup,
1846 .buf_prepare = coda_buf_prepare,
1847 .buf_queue = coda_buf_queue,
1848 .start_streaming = coda_start_streaming,
1849 .stop_streaming = coda_stop_streaming,
1850 .wait_prepare = vb2_ops_wait_prepare,
1851 .wait_finish = vb2_ops_wait_finish,
1854 static int coda_s_ctrl(struct v4l2_ctrl *ctrl)
1856 struct coda_ctx *ctx =
1857 container_of(ctrl->handler, struct coda_ctx, ctrls);
1859 coda_dbg(1, ctx, "s_ctrl: id = 0x%x, name = \"%s\", val = %d\n",
1860 ctrl->id, ctrl->name, ctrl->val);
1863 case V4L2_CID_HFLIP:
1865 ctx->params.rot_mode |= CODA_MIR_HOR;
1867 ctx->params.rot_mode &= ~CODA_MIR_HOR;
1869 case V4L2_CID_VFLIP:
1871 ctx->params.rot_mode |= CODA_MIR_VER;
1873 ctx->params.rot_mode &= ~CODA_MIR_VER;
1875 case V4L2_CID_MPEG_VIDEO_BITRATE:
1876 ctx->params.bitrate = ctrl->val / 1000;
1878 case V4L2_CID_MPEG_VIDEO_GOP_SIZE:
1879 ctx->params.gop_size = ctrl->val;
1881 case V4L2_CID_MPEG_VIDEO_H264_I_FRAME_QP:
1882 ctx->params.h264_intra_qp = ctrl->val;
1884 case V4L2_CID_MPEG_VIDEO_H264_P_FRAME_QP:
1885 ctx->params.h264_inter_qp = ctrl->val;
1887 case V4L2_CID_MPEG_VIDEO_H264_MIN_QP:
1888 ctx->params.h264_min_qp = ctrl->val;
1890 case V4L2_CID_MPEG_VIDEO_H264_MAX_QP:
1891 ctx->params.h264_max_qp = ctrl->val;
1893 case V4L2_CID_MPEG_VIDEO_H264_LOOP_FILTER_ALPHA:
1894 ctx->params.h264_slice_alpha_c0_offset_div2 = ctrl->val;
1896 case V4L2_CID_MPEG_VIDEO_H264_LOOP_FILTER_BETA:
1897 ctx->params.h264_slice_beta_offset_div2 = ctrl->val;
1899 case V4L2_CID_MPEG_VIDEO_H264_LOOP_FILTER_MODE:
1900 ctx->params.h264_disable_deblocking_filter_idc = ctrl->val;
1902 case V4L2_CID_MPEG_VIDEO_H264_CONSTRAINED_INTRA_PREDICTION:
1903 ctx->params.h264_constrained_intra_pred_flag = ctrl->val;
1905 case V4L2_CID_MPEG_VIDEO_H264_CHROMA_QP_INDEX_OFFSET:
1906 ctx->params.h264_chroma_qp_index_offset = ctrl->val;
1908 case V4L2_CID_MPEG_VIDEO_H264_PROFILE:
1909 /* TODO: switch between baseline and constrained baseline */
1910 if (ctx->inst_type == CODA_INST_ENCODER)
1911 ctx->params.h264_profile_idc = 66;
1913 case V4L2_CID_MPEG_VIDEO_H264_LEVEL:
1914 /* nothing to do, this is set by the encoder */
1916 case V4L2_CID_MPEG_VIDEO_MPEG4_I_FRAME_QP:
1917 ctx->params.mpeg4_intra_qp = ctrl->val;
1919 case V4L2_CID_MPEG_VIDEO_MPEG4_P_FRAME_QP:
1920 ctx->params.mpeg4_inter_qp = ctrl->val;
1922 case V4L2_CID_MPEG_VIDEO_MPEG4_PROFILE:
1923 case V4L2_CID_MPEG_VIDEO_MPEG4_LEVEL:
1924 /* nothing to do, these are fixed */
1926 case V4L2_CID_MPEG_VIDEO_MULTI_SLICE_MODE:
1927 ctx->params.slice_mode = ctrl->val;
1929 case V4L2_CID_MPEG_VIDEO_MULTI_SLICE_MAX_MB:
1930 ctx->params.slice_max_mb = ctrl->val;
1932 case V4L2_CID_MPEG_VIDEO_MULTI_SLICE_MAX_BYTES:
1933 ctx->params.slice_max_bits = ctrl->val * 8;
1935 case V4L2_CID_MPEG_VIDEO_HEADER_MODE:
1937 case V4L2_CID_MPEG_VIDEO_CYCLIC_INTRA_REFRESH_MB:
1938 ctx->params.intra_refresh = ctrl->val;
1940 case V4L2_CID_MPEG_VIDEO_FORCE_KEY_FRAME:
1941 ctx->params.force_ipicture = true;
1943 case V4L2_CID_JPEG_COMPRESSION_QUALITY:
1944 coda_set_jpeg_compression_quality(ctx, ctrl->val);
1946 case V4L2_CID_JPEG_RESTART_INTERVAL:
1947 ctx->params.jpeg_restart_interval = ctrl->val;
1949 case V4L2_CID_MPEG_VIDEO_VBV_DELAY:
1950 ctx->params.vbv_delay = ctrl->val;
1952 case V4L2_CID_MPEG_VIDEO_VBV_SIZE:
1953 ctx->params.vbv_size = min(ctrl->val * 8192, 0x7fffffff);
1956 coda_dbg(1, ctx, "Invalid control, id=%d, val=%d\n",
1957 ctrl->id, ctrl->val);
1964 static const struct v4l2_ctrl_ops coda_ctrl_ops = {
1965 .s_ctrl = coda_s_ctrl,
1968 static void coda_encode_ctrls(struct coda_ctx *ctx)
1970 int max_gop_size = (ctx->dev->devtype->product == CODA_DX6) ? 60 : 99;
1972 v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
1973 V4L2_CID_MPEG_VIDEO_BITRATE, 0, 32767000, 1000, 0);
1974 v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
1975 V4L2_CID_MPEG_VIDEO_GOP_SIZE, 0, max_gop_size, 1, 16);
1976 v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
1977 V4L2_CID_MPEG_VIDEO_H264_I_FRAME_QP, 0, 51, 1, 25);
1978 v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
1979 V4L2_CID_MPEG_VIDEO_H264_P_FRAME_QP, 0, 51, 1, 25);
1980 if (ctx->dev->devtype->product != CODA_960) {
1981 v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
1982 V4L2_CID_MPEG_VIDEO_H264_MIN_QP, 0, 51, 1, 12);
1984 v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
1985 V4L2_CID_MPEG_VIDEO_H264_MAX_QP, 0, 51, 1, 51);
1986 v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
1987 V4L2_CID_MPEG_VIDEO_H264_LOOP_FILTER_ALPHA, -6, 6, 1, 0);
1988 v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
1989 V4L2_CID_MPEG_VIDEO_H264_LOOP_FILTER_BETA, -6, 6, 1, 0);
1990 v4l2_ctrl_new_std_menu(&ctx->ctrls, &coda_ctrl_ops,
1991 V4L2_CID_MPEG_VIDEO_H264_LOOP_FILTER_MODE,
1992 V4L2_MPEG_VIDEO_H264_LOOP_FILTER_MODE_DISABLED_AT_SLICE_BOUNDARY,
1993 0x0, V4L2_MPEG_VIDEO_H264_LOOP_FILTER_MODE_ENABLED);
1994 v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
1995 V4L2_CID_MPEG_VIDEO_H264_CONSTRAINED_INTRA_PREDICTION, 0, 1, 1,
1997 v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
1998 V4L2_CID_MPEG_VIDEO_H264_CHROMA_QP_INDEX_OFFSET, -12, 12, 1, 0);
1999 v4l2_ctrl_new_std_menu(&ctx->ctrls, &coda_ctrl_ops,
2000 V4L2_CID_MPEG_VIDEO_H264_PROFILE,
2001 V4L2_MPEG_VIDEO_H264_PROFILE_BASELINE, 0x0,
2002 V4L2_MPEG_VIDEO_H264_PROFILE_BASELINE);
2003 if (ctx->dev->devtype->product == CODA_HX4 ||
2004 ctx->dev->devtype->product == CODA_7541) {
2005 v4l2_ctrl_new_std_menu(&ctx->ctrls, &coda_ctrl_ops,
2006 V4L2_CID_MPEG_VIDEO_H264_LEVEL,
2007 V4L2_MPEG_VIDEO_H264_LEVEL_3_1,
2008 ~((1 << V4L2_MPEG_VIDEO_H264_LEVEL_2_0) |
2009 (1 << V4L2_MPEG_VIDEO_H264_LEVEL_3_0) |
2010 (1 << V4L2_MPEG_VIDEO_H264_LEVEL_3_1)),
2011 V4L2_MPEG_VIDEO_H264_LEVEL_3_1);
2013 if (ctx->dev->devtype->product == CODA_960) {
2014 v4l2_ctrl_new_std_menu(&ctx->ctrls, &coda_ctrl_ops,
2015 V4L2_CID_MPEG_VIDEO_H264_LEVEL,
2016 V4L2_MPEG_VIDEO_H264_LEVEL_4_0,
2017 ~((1 << V4L2_MPEG_VIDEO_H264_LEVEL_2_0) |
2018 (1 << V4L2_MPEG_VIDEO_H264_LEVEL_3_0) |
2019 (1 << V4L2_MPEG_VIDEO_H264_LEVEL_3_1) |
2020 (1 << V4L2_MPEG_VIDEO_H264_LEVEL_3_2) |
2021 (1 << V4L2_MPEG_VIDEO_H264_LEVEL_4_0)),
2022 V4L2_MPEG_VIDEO_H264_LEVEL_4_0);
2024 v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
2025 V4L2_CID_MPEG_VIDEO_MPEG4_I_FRAME_QP, 1, 31, 1, 2);
2026 v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
2027 V4L2_CID_MPEG_VIDEO_MPEG4_P_FRAME_QP, 1, 31, 1, 2);
2028 v4l2_ctrl_new_std_menu(&ctx->ctrls, &coda_ctrl_ops,
2029 V4L2_CID_MPEG_VIDEO_MPEG4_PROFILE,
2030 V4L2_MPEG_VIDEO_MPEG4_PROFILE_SIMPLE, 0x0,
2031 V4L2_MPEG_VIDEO_MPEG4_PROFILE_SIMPLE);
2032 if (ctx->dev->devtype->product == CODA_HX4 ||
2033 ctx->dev->devtype->product == CODA_7541 ||
2034 ctx->dev->devtype->product == CODA_960) {
2035 v4l2_ctrl_new_std_menu(&ctx->ctrls, &coda_ctrl_ops,
2036 V4L2_CID_MPEG_VIDEO_MPEG4_LEVEL,
2037 V4L2_MPEG_VIDEO_MPEG4_LEVEL_5,
2038 ~(1 << V4L2_MPEG_VIDEO_MPEG4_LEVEL_5),
2039 V4L2_MPEG_VIDEO_MPEG4_LEVEL_5);
2041 v4l2_ctrl_new_std_menu(&ctx->ctrls, &coda_ctrl_ops,
2042 V4L2_CID_MPEG_VIDEO_MULTI_SLICE_MODE,
2043 V4L2_MPEG_VIDEO_MULTI_SICE_MODE_MAX_BYTES, 0x0,
2044 V4L2_MPEG_VIDEO_MULTI_SLICE_MODE_SINGLE);
2045 v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
2046 V4L2_CID_MPEG_VIDEO_MULTI_SLICE_MAX_MB, 1, 0x3fffffff, 1, 1);
2047 v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
2048 V4L2_CID_MPEG_VIDEO_MULTI_SLICE_MAX_BYTES, 1, 0x3fffffff, 1,
2050 v4l2_ctrl_new_std_menu(&ctx->ctrls, &coda_ctrl_ops,
2051 V4L2_CID_MPEG_VIDEO_HEADER_MODE,
2052 V4L2_MPEG_VIDEO_HEADER_MODE_JOINED_WITH_1ST_FRAME,
2053 (1 << V4L2_MPEG_VIDEO_HEADER_MODE_SEPARATE),
2054 V4L2_MPEG_VIDEO_HEADER_MODE_JOINED_WITH_1ST_FRAME);
2055 v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
2056 V4L2_CID_MPEG_VIDEO_CYCLIC_INTRA_REFRESH_MB, 0,
2057 1920 * 1088 / 256, 1, 0);
2058 v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
2059 V4L2_CID_MPEG_VIDEO_VBV_DELAY, 0, 0x7fff, 1, 0);
2061 * The maximum VBV size value is 0x7fffffff bits,
2062 * one bit less than 262144 KiB
2064 v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
2065 V4L2_CID_MPEG_VIDEO_VBV_SIZE, 0, 262144, 1, 0);
2068 static void coda_jpeg_encode_ctrls(struct coda_ctx *ctx)
2070 v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
2071 V4L2_CID_JPEG_COMPRESSION_QUALITY, 5, 100, 1, 50);
2072 v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
2073 V4L2_CID_JPEG_RESTART_INTERVAL, 0, 100, 1, 0);
2076 static void coda_decode_ctrls(struct coda_ctx *ctx)
2080 ctx->h264_profile_ctrl = v4l2_ctrl_new_std_menu(&ctx->ctrls,
2081 &coda_ctrl_ops, V4L2_CID_MPEG_VIDEO_H264_PROFILE,
2082 V4L2_MPEG_VIDEO_H264_PROFILE_HIGH,
2083 ~((1 << V4L2_MPEG_VIDEO_H264_PROFILE_BASELINE) |
2084 (1 << V4L2_MPEG_VIDEO_H264_PROFILE_MAIN) |
2085 (1 << V4L2_MPEG_VIDEO_H264_PROFILE_HIGH)),
2086 V4L2_MPEG_VIDEO_H264_PROFILE_HIGH);
2087 if (ctx->h264_profile_ctrl)
2088 ctx->h264_profile_ctrl->flags |= V4L2_CTRL_FLAG_READ_ONLY;
2090 if (ctx->dev->devtype->product == CODA_HX4 ||
2091 ctx->dev->devtype->product == CODA_7541)
2092 max = V4L2_MPEG_VIDEO_H264_LEVEL_4_0;
2093 else if (ctx->dev->devtype->product == CODA_960)
2094 max = V4L2_MPEG_VIDEO_H264_LEVEL_4_1;
2097 ctx->h264_level_ctrl = v4l2_ctrl_new_std_menu(&ctx->ctrls,
2098 &coda_ctrl_ops, V4L2_CID_MPEG_VIDEO_H264_LEVEL, max, 0, max);
2099 if (ctx->h264_level_ctrl)
2100 ctx->h264_level_ctrl->flags |= V4L2_CTRL_FLAG_READ_ONLY;
2103 static int coda_ctrls_setup(struct coda_ctx *ctx)
2105 v4l2_ctrl_handler_init(&ctx->ctrls, 2);
2107 v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
2108 V4L2_CID_HFLIP, 0, 1, 1, 0);
2109 v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
2110 V4L2_CID_VFLIP, 0, 1, 1, 0);
2111 if (ctx->inst_type == CODA_INST_ENCODER) {
2112 v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
2113 V4L2_CID_MIN_BUFFERS_FOR_OUTPUT,
2115 if (ctx->cvd->dst_formats[0] == V4L2_PIX_FMT_JPEG)
2116 coda_jpeg_encode_ctrls(ctx);
2118 coda_encode_ctrls(ctx);
2120 v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
2121 V4L2_CID_MIN_BUFFERS_FOR_CAPTURE,
2123 if (ctx->cvd->src_formats[0] == V4L2_PIX_FMT_H264)
2124 coda_decode_ctrls(ctx);
2127 if (ctx->ctrls.error) {
2128 v4l2_err(&ctx->dev->v4l2_dev,
2129 "control initialization error (%d)",
2134 return v4l2_ctrl_handler_setup(&ctx->ctrls);
2137 static int coda_queue_init(struct coda_ctx *ctx, struct vb2_queue *vq)
2140 vq->ops = &coda_qops;
2141 vq->buf_struct_size = sizeof(struct v4l2_m2m_buffer);
2142 vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY;
2143 vq->lock = &ctx->dev->dev_mutex;
2144 /* One way to indicate end-of-stream for coda is to set the
2145 * bytesused == 0. However by default videobuf2 handles bytesused
2146 * equal to 0 as a special case and changes its value to the size
2147 * of the buffer. Set the allow_zero_bytesused flag, so
2148 * that videobuf2 will keep the value of bytesused intact.
2150 vq->allow_zero_bytesused = 1;
2152 * We might be fine with no buffers on some of the queues, but that
2153 * would need to be reflected in job_ready(). Currently we expect all
2154 * queues to have at least one buffer queued.
2156 vq->min_buffers_needed = 1;
2157 vq->dev = &ctx->dev->plat_dev->dev;
2159 return vb2_queue_init(vq);
2162 int coda_encoder_queue_init(void *priv, struct vb2_queue *src_vq,
2163 struct vb2_queue *dst_vq)
2167 src_vq->type = V4L2_BUF_TYPE_VIDEO_OUTPUT;
2168 src_vq->io_modes = VB2_DMABUF | VB2_MMAP;
2169 src_vq->mem_ops = &vb2_dma_contig_memops;
2171 ret = coda_queue_init(priv, src_vq);
2175 dst_vq->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
2176 dst_vq->io_modes = VB2_DMABUF | VB2_MMAP;
2177 dst_vq->mem_ops = &vb2_dma_contig_memops;
2179 return coda_queue_init(priv, dst_vq);
2182 int coda_decoder_queue_init(void *priv, struct vb2_queue *src_vq,
2183 struct vb2_queue *dst_vq)
2187 src_vq->type = V4L2_BUF_TYPE_VIDEO_OUTPUT;
2188 src_vq->io_modes = VB2_DMABUF | VB2_MMAP | VB2_USERPTR;
2189 src_vq->mem_ops = &vb2_vmalloc_memops;
2191 ret = coda_queue_init(priv, src_vq);
2195 dst_vq->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
2196 dst_vq->io_modes = VB2_DMABUF | VB2_MMAP;
2197 dst_vq->mem_ops = &vb2_dma_contig_memops;
2199 return coda_queue_init(priv, dst_vq);
2206 static int coda_open(struct file *file)
2208 struct video_device *vdev = video_devdata(file);
2209 struct coda_dev *dev = video_get_drvdata(vdev);
2210 struct coda_ctx *ctx;
2211 unsigned int max = ~0;
2216 ctx = kzalloc(sizeof(*ctx), GFP_KERNEL);
2220 if (dev->devtype->product == CODA_DX6)
2221 max = CODADX6_MAX_INSTANCES - 1;
2222 idx = ida_alloc_max(&dev->ida, max, GFP_KERNEL);
2228 name = kasprintf(GFP_KERNEL, "context%d", idx);
2231 goto err_coda_name_init;
2234 ctx->debugfs_entry = debugfs_create_dir(name, dev->debugfs_root);
2237 ctx->cvd = to_coda_video_device(vdev);
2238 ctx->inst_type = ctx->cvd->type;
2239 ctx->ops = ctx->cvd->ops;
2240 ctx->use_bit = !ctx->cvd->direct;
2241 init_completion(&ctx->completion);
2242 INIT_WORK(&ctx->pic_run_work, coda_pic_run_work);
2243 if (ctx->ops->seq_end_work)
2244 INIT_WORK(&ctx->seq_end_work, ctx->ops->seq_end_work);
2245 v4l2_fh_init(&ctx->fh, video_devdata(file));
2246 file->private_data = &ctx->fh;
2247 v4l2_fh_add(&ctx->fh);
2251 coda_dbg(1, ctx, "open instance (%p)\n", ctx);
2253 switch (dev->devtype->product) {
2256 * Enabling the BWB when decoding can hang the firmware with
2257 * certain streams. The issue was tracked as ENGR00293425 by
2258 * Freescale. As a workaround, disable BWB for all decoders.
2259 * The enable_bwb module parameter allows to override this.
2261 if (enable_bwb || ctx->inst_type == CODA_INST_ENCODER)
2262 ctx->frame_mem_ctrl = CODA9_FRAME_ENABLE_BWB;
2271 if (ctx->dev->vdoa && !disable_vdoa) {
2272 ctx->vdoa = vdoa_context_create(dev->vdoa);
2274 v4l2_warn(&dev->v4l2_dev,
2275 "Failed to create vdoa context: not using vdoa");
2277 ctx->use_vdoa = false;
2279 /* Power up and upload firmware if necessary */
2280 ret = pm_runtime_get_sync(&dev->plat_dev->dev);
2282 v4l2_err(&dev->v4l2_dev, "failed to power up: %d\n", ret);
2286 ret = clk_prepare_enable(dev->clk_per);
2290 ret = clk_prepare_enable(dev->clk_ahb);
2294 set_default_params(ctx);
2295 ctx->fh.m2m_ctx = v4l2_m2m_ctx_init(dev->m2m_dev, ctx,
2296 ctx->ops->queue_init);
2297 if (IS_ERR(ctx->fh.m2m_ctx)) {
2298 ret = PTR_ERR(ctx->fh.m2m_ctx);
2300 v4l2_err(&dev->v4l2_dev, "%s return error (%d)\n",
2305 ret = coda_ctrls_setup(ctx);
2307 v4l2_err(&dev->v4l2_dev, "failed to setup coda controls\n");
2308 goto err_ctrls_setup;
2311 ctx->fh.ctrl_handler = &ctx->ctrls;
2313 mutex_init(&ctx->bitstream_mutex);
2314 mutex_init(&ctx->buffer_mutex);
2315 INIT_LIST_HEAD(&ctx->buffer_meta_list);
2316 spin_lock_init(&ctx->buffer_meta_lock);
2321 v4l2_m2m_ctx_release(ctx->fh.m2m_ctx);
2323 clk_disable_unprepare(dev->clk_ahb);
2325 clk_disable_unprepare(dev->clk_per);
2327 pm_runtime_put_sync(&dev->plat_dev->dev);
2329 v4l2_fh_del(&ctx->fh);
2330 v4l2_fh_exit(&ctx->fh);
2332 ida_free(&dev->ida, ctx->idx);
2338 static int coda_release(struct file *file)
2340 struct coda_dev *dev = video_drvdata(file);
2341 struct coda_ctx *ctx = fh_to_ctx(file->private_data);
2343 coda_dbg(1, ctx, "release instance (%p)\n", ctx);
2345 if (ctx->inst_type == CODA_INST_DECODER && ctx->use_bit)
2346 coda_bit_stream_end_flag(ctx);
2348 /* If this instance is running, call .job_abort and wait for it to end */
2349 v4l2_m2m_ctx_release(ctx->fh.m2m_ctx);
2352 vdoa_context_destroy(ctx->vdoa);
2354 /* In case the instance was not running, we still need to call SEQ_END */
2355 if (ctx->ops->seq_end_work) {
2356 queue_work(dev->workqueue, &ctx->seq_end_work);
2357 flush_work(&ctx->seq_end_work);
2360 if (ctx->dev->devtype->product == CODA_DX6)
2361 coda_free_aux_buf(dev, &ctx->workbuf);
2363 v4l2_ctrl_handler_free(&ctx->ctrls);
2364 clk_disable_unprepare(dev->clk_ahb);
2365 clk_disable_unprepare(dev->clk_per);
2366 pm_runtime_put_sync(&dev->plat_dev->dev);
2367 v4l2_fh_del(&ctx->fh);
2368 v4l2_fh_exit(&ctx->fh);
2369 ida_free(&dev->ida, ctx->idx);
2370 if (ctx->ops->release)
2371 ctx->ops->release(ctx);
2372 debugfs_remove_recursive(ctx->debugfs_entry);
2378 static const struct v4l2_file_operations coda_fops = {
2379 .owner = THIS_MODULE,
2381 .release = coda_release,
2382 .poll = v4l2_m2m_fop_poll,
2383 .unlocked_ioctl = video_ioctl2,
2384 .mmap = v4l2_m2m_fop_mmap,
2387 static int coda_hw_init(struct coda_dev *dev)
2393 ret = clk_prepare_enable(dev->clk_per);
2397 ret = clk_prepare_enable(dev->clk_ahb);
2401 reset_control_reset(dev->rstc);
2404 * Copy the first CODA_ISRAM_SIZE in the internal SRAM.
2405 * The 16-bit chars in the code buffer are in memory access
2406 * order, re-sort them to CODA order for register download.
2407 * Data in this SRAM survives a reboot.
2409 p = (u16 *)dev->codebuf.vaddr;
2410 if (dev->devtype->product == CODA_DX6) {
2411 for (i = 0; i < (CODA_ISRAM_SIZE / 2); i++) {
2412 data = CODA_DOWN_ADDRESS_SET(i) |
2413 CODA_DOWN_DATA_SET(p[i ^ 1]);
2414 coda_write(dev, data, CODA_REG_BIT_CODE_DOWN);
2417 for (i = 0; i < (CODA_ISRAM_SIZE / 2); i++) {
2418 data = CODA_DOWN_ADDRESS_SET(i) |
2419 CODA_DOWN_DATA_SET(p[round_down(i, 4) +
2421 coda_write(dev, data, CODA_REG_BIT_CODE_DOWN);
2425 /* Clear registers */
2426 for (i = 0; i < 64; i++)
2427 coda_write(dev, 0, CODA_REG_BIT_CODE_BUF_ADDR + i * 4);
2429 /* Tell the BIT where to find everything it needs */
2430 if (dev->devtype->product == CODA_960 ||
2431 dev->devtype->product == CODA_7541 ||
2432 dev->devtype->product == CODA_HX4) {
2433 coda_write(dev, dev->tempbuf.paddr,
2434 CODA_REG_BIT_TEMP_BUF_ADDR);
2435 coda_write(dev, 0, CODA_REG_BIT_BIT_STREAM_PARAM);
2437 coda_write(dev, dev->workbuf.paddr,
2438 CODA_REG_BIT_WORK_BUF_ADDR);
2440 coda_write(dev, dev->codebuf.paddr,
2441 CODA_REG_BIT_CODE_BUF_ADDR);
2442 coda_write(dev, 0, CODA_REG_BIT_CODE_RUN);
2444 /* Set default values */
2445 switch (dev->devtype->product) {
2447 coda_write(dev, CODADX6_STREAM_BUF_PIC_FLUSH,
2448 CODA_REG_BIT_STREAM_CTRL);
2451 coda_write(dev, CODA7_STREAM_BUF_PIC_FLUSH,
2452 CODA_REG_BIT_STREAM_CTRL);
2454 if (dev->devtype->product == CODA_960)
2455 coda_write(dev, CODA9_FRAME_ENABLE_BWB,
2456 CODA_REG_BIT_FRAME_MEM_CTRL);
2458 coda_write(dev, 0, CODA_REG_BIT_FRAME_MEM_CTRL);
2460 if (dev->devtype->product != CODA_DX6)
2461 coda_write(dev, 0, CODA7_REG_BIT_AXI_SRAM_USE);
2463 coda_write(dev, CODA_INT_INTERRUPT_ENABLE,
2464 CODA_REG_BIT_INT_ENABLE);
2466 /* Reset VPU and start processor */
2467 data = coda_read(dev, CODA_REG_BIT_CODE_RESET);
2468 data |= CODA_REG_RESET_ENABLE;
2469 coda_write(dev, data, CODA_REG_BIT_CODE_RESET);
2471 data &= ~CODA_REG_RESET_ENABLE;
2472 coda_write(dev, data, CODA_REG_BIT_CODE_RESET);
2473 coda_write(dev, CODA_REG_RUN_ENABLE, CODA_REG_BIT_CODE_RUN);
2475 clk_disable_unprepare(dev->clk_ahb);
2476 clk_disable_unprepare(dev->clk_per);
2481 clk_disable_unprepare(dev->clk_per);
2486 static int coda_register_device(struct coda_dev *dev, int i)
2488 struct video_device *vfd = &dev->vfd[i];
2490 if (i >= dev->devtype->num_vdevs)
2493 strscpy(vfd->name, dev->devtype->vdevs[i]->name, sizeof(vfd->name));
2494 vfd->fops = &coda_fops;
2495 vfd->ioctl_ops = &coda_ioctl_ops;
2496 vfd->release = video_device_release_empty,
2497 vfd->lock = &dev->dev_mutex;
2498 vfd->v4l2_dev = &dev->v4l2_dev;
2499 vfd->vfl_dir = VFL_DIR_M2M;
2500 video_set_drvdata(vfd, dev);
2502 /* Not applicable, use the selection API instead */
2503 v4l2_disable_ioctl(vfd, VIDIOC_CROPCAP);
2504 v4l2_disable_ioctl(vfd, VIDIOC_G_CROP);
2505 v4l2_disable_ioctl(vfd, VIDIOC_S_CROP);
2507 return video_register_device(vfd, VFL_TYPE_GRABBER, 0);
2510 static void coda_copy_firmware(struct coda_dev *dev, const u8 * const buf,
2513 u32 *src = (u32 *)buf;
2515 /* Check if the firmware has a 16-byte Freescale header, skip it */
2516 if (buf[0] == 'M' && buf[1] == 'X')
2519 * Check whether the firmware is in native order or pre-reordered for
2520 * memory access. The first instruction opcode always is 0xe40e.
2522 if (__le16_to_cpup((__le16 *)src) == 0xe40e) {
2523 u32 *dst = dev->codebuf.vaddr;
2526 /* Firmware in native order, reorder while copying */
2527 if (dev->devtype->product == CODA_DX6) {
2528 for (i = 0; i < (size - 16) / 4; i++)
2529 dst[i] = (src[i] << 16) | (src[i] >> 16);
2531 for (i = 0; i < (size - 16) / 4; i += 2) {
2532 dst[i] = (src[i + 1] << 16) | (src[i + 1] >> 16);
2533 dst[i + 1] = (src[i] << 16) | (src[i] >> 16);
2537 /* Copy the already reordered firmware image */
2538 memcpy(dev->codebuf.vaddr, src, size);
2542 static void coda_fw_callback(const struct firmware *fw, void *context);
2544 static int coda_firmware_request(struct coda_dev *dev)
2548 if (dev->firmware >= ARRAY_SIZE(dev->devtype->firmware))
2551 fw = dev->devtype->firmware[dev->firmware];
2553 dev_dbg(&dev->plat_dev->dev, "requesting firmware '%s' for %s\n", fw,
2554 coda_product_name(dev->devtype->product));
2556 return request_firmware_nowait(THIS_MODULE, true, fw,
2557 &dev->plat_dev->dev, GFP_KERNEL, dev,
2561 static void coda_fw_callback(const struct firmware *fw, void *context)
2563 struct coda_dev *dev = context;
2564 struct platform_device *pdev = dev->plat_dev;
2569 ret = coda_firmware_request(dev);
2571 v4l2_err(&dev->v4l2_dev, "firmware request failed\n");
2576 if (dev->firmware > 0) {
2578 * Since we can't suppress warnings for failed asynchronous
2579 * firmware requests, report that the fallback firmware was
2582 dev_info(&pdev->dev, "Using fallback firmware %s\n",
2583 dev->devtype->firmware[dev->firmware]);
2586 /* allocate auxiliary per-device code buffer for the BIT processor */
2587 ret = coda_alloc_aux_buf(dev, &dev->codebuf, fw->size, "codebuf",
2592 coda_copy_firmware(dev, fw->data, fw->size);
2593 release_firmware(fw);
2595 ret = coda_hw_init(dev);
2597 v4l2_err(&dev->v4l2_dev, "HW initialization failed\n");
2601 ret = coda_check_firmware(dev);
2605 dev->m2m_dev = v4l2_m2m_init(&coda_m2m_ops);
2606 if (IS_ERR(dev->m2m_dev)) {
2607 v4l2_err(&dev->v4l2_dev, "Failed to init mem2mem device\n");
2611 for (i = 0; i < dev->devtype->num_vdevs; i++) {
2612 ret = coda_register_device(dev, i);
2614 v4l2_err(&dev->v4l2_dev,
2615 "Failed to register %s video device: %d\n",
2616 dev->devtype->vdevs[i]->name, ret);
2621 v4l2_info(&dev->v4l2_dev, "codec registered as /dev/video[%d-%d]\n",
2622 dev->vfd[0].num, dev->vfd[i - 1].num);
2624 pm_runtime_put_sync(&pdev->dev);
2629 video_unregister_device(&dev->vfd[i]);
2630 v4l2_m2m_release(dev->m2m_dev);
2632 pm_runtime_put_sync(&pdev->dev);
2635 enum coda_platform {
2643 static const struct coda_devtype coda_devdata[] = {
2646 "vpu_fw_imx27_TO2.bin",
2647 "vpu/vpu_fw_imx27_TO2.bin",
2648 "v4l-codadx6-imx27.bin"
2650 .product = CODA_DX6,
2651 .codecs = codadx6_codecs,
2652 .num_codecs = ARRAY_SIZE(codadx6_codecs),
2653 .vdevs = codadx6_video_devices,
2654 .num_vdevs = ARRAY_SIZE(codadx6_video_devices),
2655 .workbuf_size = 288 * 1024 + FMO_SLICE_SAVE_BUF_SIZE * 8 * 1024,
2656 .iram_size = 0xb000,
2661 "vpu/vpu_fw_imx51.bin",
2662 "v4l-codahx4-imx51.bin"
2664 .product = CODA_HX4,
2665 .codecs = codahx4_codecs,
2666 .num_codecs = ARRAY_SIZE(codahx4_codecs),
2667 .vdevs = codahx4_video_devices,
2668 .num_vdevs = ARRAY_SIZE(codahx4_video_devices),
2669 .workbuf_size = 128 * 1024,
2670 .tempbuf_size = 304 * 1024,
2671 .iram_size = 0x14000,
2676 "vpu/vpu_fw_imx53.bin",
2677 "v4l-coda7541-imx53.bin"
2679 .product = CODA_7541,
2680 .codecs = coda7_codecs,
2681 .num_codecs = ARRAY_SIZE(coda7_codecs),
2682 .vdevs = coda7_video_devices,
2683 .num_vdevs = ARRAY_SIZE(coda7_video_devices),
2684 .workbuf_size = 128 * 1024,
2685 .tempbuf_size = 304 * 1024,
2686 .iram_size = 0x14000,
2691 "vpu/vpu_fw_imx6q.bin",
2692 "v4l-coda960-imx6q.bin"
2694 .product = CODA_960,
2695 .codecs = coda9_codecs,
2696 .num_codecs = ARRAY_SIZE(coda9_codecs),
2697 .vdevs = coda9_video_devices,
2698 .num_vdevs = ARRAY_SIZE(coda9_video_devices),
2699 .workbuf_size = 80 * 1024,
2700 .tempbuf_size = 204 * 1024,
2701 .iram_size = 0x21000,
2706 "vpu/vpu_fw_imx6d.bin",
2707 "v4l-coda960-imx6dl.bin"
2709 .product = CODA_960,
2710 .codecs = coda9_codecs,
2711 .num_codecs = ARRAY_SIZE(coda9_codecs),
2712 .vdevs = coda9_video_devices,
2713 .num_vdevs = ARRAY_SIZE(coda9_video_devices),
2714 .workbuf_size = 80 * 1024,
2715 .tempbuf_size = 204 * 1024,
2716 .iram_size = 0x1f000, /* leave 4k for suspend code */
2720 static const struct platform_device_id coda_platform_ids[] = {
2721 { .name = "coda-imx27", .driver_data = CODA_IMX27 },
2724 MODULE_DEVICE_TABLE(platform, coda_platform_ids);
2727 static const struct of_device_id coda_dt_ids[] = {
2728 { .compatible = "fsl,imx27-vpu", .data = &coda_devdata[CODA_IMX27] },
2729 { .compatible = "fsl,imx51-vpu", .data = &coda_devdata[CODA_IMX51] },
2730 { .compatible = "fsl,imx53-vpu", .data = &coda_devdata[CODA_IMX53] },
2731 { .compatible = "fsl,imx6q-vpu", .data = &coda_devdata[CODA_IMX6Q] },
2732 { .compatible = "fsl,imx6dl-vpu", .data = &coda_devdata[CODA_IMX6DL] },
2735 MODULE_DEVICE_TABLE(of, coda_dt_ids);
2738 static int coda_probe(struct platform_device *pdev)
2740 const struct of_device_id *of_id =
2741 of_match_device(of_match_ptr(coda_dt_ids), &pdev->dev);
2742 const struct platform_device_id *pdev_id;
2743 struct coda_platform_data *pdata = pdev->dev.platform_data;
2744 struct device_node *np = pdev->dev.of_node;
2745 struct gen_pool *pool;
2746 struct coda_dev *dev;
2747 struct resource *res;
2750 dev = devm_kzalloc(&pdev->dev, sizeof(*dev), GFP_KERNEL);
2754 pdev_id = of_id ? of_id->data : platform_get_device_id(pdev);
2757 dev->devtype = of_id->data;
2759 dev->devtype = &coda_devdata[pdev_id->driver_data];
2763 spin_lock_init(&dev->irqlock);
2765 dev->plat_dev = pdev;
2766 dev->clk_per = devm_clk_get(&pdev->dev, "per");
2767 if (IS_ERR(dev->clk_per)) {
2768 dev_err(&pdev->dev, "Could not get per clock\n");
2769 return PTR_ERR(dev->clk_per);
2772 dev->clk_ahb = devm_clk_get(&pdev->dev, "ahb");
2773 if (IS_ERR(dev->clk_ahb)) {
2774 dev_err(&pdev->dev, "Could not get ahb clock\n");
2775 return PTR_ERR(dev->clk_ahb);
2778 /* Get memory for physical registers */
2779 res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
2780 dev->regs_base = devm_ioremap_resource(&pdev->dev, res);
2781 if (IS_ERR(dev->regs_base))
2782 return PTR_ERR(dev->regs_base);
2785 irq = platform_get_irq_byname(pdev, "bit");
2787 irq = platform_get_irq(pdev, 0);
2789 dev_err(&pdev->dev, "failed to get irq resource\n");
2793 ret = devm_request_threaded_irq(&pdev->dev, irq, NULL, coda_irq_handler,
2794 IRQF_ONESHOT, dev_name(&pdev->dev), dev);
2796 dev_err(&pdev->dev, "failed to request irq: %d\n", ret);
2800 dev->rstc = devm_reset_control_get_optional_exclusive(&pdev->dev,
2802 if (IS_ERR(dev->rstc)) {
2803 ret = PTR_ERR(dev->rstc);
2804 dev_err(&pdev->dev, "failed get reset control: %d\n", ret);
2808 /* Get IRAM pool from device tree or platform data */
2809 pool = of_gen_pool_get(np, "iram", 0);
2811 pool = gen_pool_get(pdata->iram_dev, NULL);
2813 dev_err(&pdev->dev, "iram pool not available\n");
2816 dev->iram_pool = pool;
2818 /* Get vdoa_data if supported by the platform */
2819 dev->vdoa = coda_get_vdoa_data();
2820 if (PTR_ERR(dev->vdoa) == -EPROBE_DEFER)
2821 return -EPROBE_DEFER;
2823 ret = v4l2_device_register(&pdev->dev, &dev->v4l2_dev);
2827 mutex_init(&dev->dev_mutex);
2828 mutex_init(&dev->coda_mutex);
2829 ida_init(&dev->ida);
2831 dev->debugfs_root = debugfs_create_dir("coda", NULL);
2832 if (!dev->debugfs_root)
2833 dev_warn(&pdev->dev, "failed to create debugfs root\n");
2835 /* allocate auxiliary per-device buffers for the BIT processor */
2836 if (dev->devtype->product == CODA_DX6) {
2837 ret = coda_alloc_aux_buf(dev, &dev->workbuf,
2838 dev->devtype->workbuf_size, "workbuf",
2841 goto err_v4l2_register;
2844 if (dev->devtype->tempbuf_size) {
2845 ret = coda_alloc_aux_buf(dev, &dev->tempbuf,
2846 dev->devtype->tempbuf_size, "tempbuf",
2849 goto err_v4l2_register;
2852 dev->iram.size = dev->devtype->iram_size;
2853 dev->iram.vaddr = gen_pool_dma_alloc(dev->iram_pool, dev->iram.size,
2855 if (!dev->iram.vaddr) {
2856 dev_warn(&pdev->dev, "unable to alloc iram\n");
2858 memset(dev->iram.vaddr, 0, dev->iram.size);
2859 dev->iram.blob.data = dev->iram.vaddr;
2860 dev->iram.blob.size = dev->iram.size;
2861 dev->iram.dentry = debugfs_create_blob("iram", 0644,
2866 dev->workqueue = alloc_workqueue("coda", WQ_UNBOUND | WQ_MEM_RECLAIM, 1);
2867 if (!dev->workqueue) {
2868 dev_err(&pdev->dev, "unable to alloc workqueue\n");
2870 goto err_v4l2_register;
2873 platform_set_drvdata(pdev, dev);
2876 * Start activated so we can directly call coda_hw_init in
2877 * coda_fw_callback regardless of whether CONFIG_PM is
2878 * enabled or whether the device is associated with a PM domain.
2880 pm_runtime_get_noresume(&pdev->dev);
2881 pm_runtime_set_active(&pdev->dev);
2882 pm_runtime_enable(&pdev->dev);
2884 ret = coda_firmware_request(dev);
2886 goto err_alloc_workqueue;
2889 err_alloc_workqueue:
2890 destroy_workqueue(dev->workqueue);
2892 v4l2_device_unregister(&dev->v4l2_dev);
2896 static int coda_remove(struct platform_device *pdev)
2898 struct coda_dev *dev = platform_get_drvdata(pdev);
2901 for (i = 0; i < ARRAY_SIZE(dev->vfd); i++) {
2902 if (video_get_drvdata(&dev->vfd[i]))
2903 video_unregister_device(&dev->vfd[i]);
2906 v4l2_m2m_release(dev->m2m_dev);
2907 pm_runtime_disable(&pdev->dev);
2908 v4l2_device_unregister(&dev->v4l2_dev);
2909 destroy_workqueue(dev->workqueue);
2910 if (dev->iram.vaddr)
2911 gen_pool_free(dev->iram_pool, (unsigned long)dev->iram.vaddr,
2913 coda_free_aux_buf(dev, &dev->codebuf);
2914 coda_free_aux_buf(dev, &dev->tempbuf);
2915 coda_free_aux_buf(dev, &dev->workbuf);
2916 debugfs_remove_recursive(dev->debugfs_root);
2917 ida_destroy(&dev->ida);
2922 static int coda_runtime_resume(struct device *dev)
2924 struct coda_dev *cdev = dev_get_drvdata(dev);
2927 if (dev->pm_domain && cdev->codebuf.vaddr) {
2928 ret = coda_hw_init(cdev);
2930 v4l2_err(&cdev->v4l2_dev, "HW initialization failed\n");
2937 static const struct dev_pm_ops coda_pm_ops = {
2938 SET_RUNTIME_PM_OPS(NULL, coda_runtime_resume, NULL)
2941 static struct platform_driver coda_driver = {
2942 .probe = coda_probe,
2943 .remove = coda_remove,
2946 .of_match_table = of_match_ptr(coda_dt_ids),
2949 .id_table = coda_platform_ids,
2952 module_platform_driver(coda_driver);
2954 MODULE_LICENSE("GPL");
2955 MODULE_AUTHOR("Javier Martin <javier.martin@vista-silicon.com>");
2956 MODULE_DESCRIPTION("Coda multi-standard codec V4L2 driver");