2 * Coda multi-standard codec IP
4 * Copyright (C) 2012 Vista Silicon S.L.
5 * Javier Martin, <javier.martin@vista-silicon.com>
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
14 #include <linux/clk.h>
15 #include <linux/debugfs.h>
16 #include <linux/delay.h>
17 #include <linux/firmware.h>
18 #include <linux/gcd.h>
19 #include <linux/genalloc.h>
20 #include <linux/interrupt.h>
22 #include <linux/irq.h>
23 #include <linux/kfifo.h>
24 #include <linux/module.h>
25 #include <linux/of_device.h>
26 #include <linux/platform_device.h>
27 #include <linux/pm_runtime.h>
28 #include <linux/slab.h>
29 #include <linux/videodev2.h>
31 #include <linux/platform_data/media/coda.h>
32 #include <linux/reset.h>
34 #include <media/v4l2-ctrls.h>
35 #include <media/v4l2-device.h>
36 #include <media/v4l2-event.h>
37 #include <media/v4l2-ioctl.h>
38 #include <media/v4l2-mem2mem.h>
39 #include <media/videobuf2-v4l2.h>
40 #include <media/videobuf2-dma-contig.h>
41 #include <media/videobuf2-vmalloc.h>
46 #define CODA_NAME "coda"
48 #define CODADX6_MAX_INSTANCES 4
49 #define CODA_MAX_FORMATS 4
51 #define CODA_ISRAM_SIZE (2048 * 2)
56 #define S_ALIGN 1 /* multiple of 2 */
57 #define W_ALIGN 1 /* multiple of 2 */
58 #define H_ALIGN 1 /* multiple of 2 */
60 #define fh_to_ctx(__fh) container_of(__fh, struct coda_ctx, fh)
63 module_param(coda_debug
, int, 0644);
64 MODULE_PARM_DESC(coda_debug
, "Debug level (0-2)");
66 static int disable_tiling
;
67 module_param(disable_tiling
, int, 0644);
68 MODULE_PARM_DESC(disable_tiling
, "Disable tiled frame buffers");
70 static int disable_vdoa
;
71 module_param(disable_vdoa
, int, 0644);
72 MODULE_PARM_DESC(disable_vdoa
, "Disable Video Data Order Adapter tiled to raster-scan conversion");
74 static int enable_bwb
= 0;
75 module_param(enable_bwb
, int, 0644);
76 MODULE_PARM_DESC(enable_bwb
, "Enable BWB unit, may crash on certain streams");
78 void coda_write(struct coda_dev
*dev
, u32 data
, u32 reg
)
80 v4l2_dbg(2, coda_debug
, &dev
->v4l2_dev
,
81 "%s: data=0x%x, reg=0x%x\n", __func__
, data
, reg
);
82 writel(data
, dev
->regs_base
+ reg
);
85 unsigned int coda_read(struct coda_dev
*dev
, u32 reg
)
89 data
= readl(dev
->regs_base
+ reg
);
90 v4l2_dbg(2, coda_debug
, &dev
->v4l2_dev
,
91 "%s: data=0x%x, reg=0x%x\n", __func__
, data
, reg
);
95 void coda_write_base(struct coda_ctx
*ctx
, struct coda_q_data
*q_data
,
96 struct vb2_v4l2_buffer
*buf
, unsigned int reg_y
)
98 u32 base_y
= vb2_dma_contig_plane_dma_addr(&buf
->vb2_buf
, 0);
101 switch (q_data
->fourcc
) {
102 case V4L2_PIX_FMT_YUYV
:
103 /* Fallthrough: IN -H264-> CODA -NV12 MB-> VDOA -YUYV-> OUT */
104 case V4L2_PIX_FMT_NV12
:
105 case V4L2_PIX_FMT_YUV420
:
107 base_cb
= base_y
+ q_data
->bytesperline
* q_data
->height
;
108 base_cr
= base_cb
+ q_data
->bytesperline
* q_data
->height
/ 4;
110 case V4L2_PIX_FMT_YVU420
:
111 /* Switch Cb and Cr for YVU420 format */
112 base_cr
= base_y
+ q_data
->bytesperline
* q_data
->height
;
113 base_cb
= base_cr
+ q_data
->bytesperline
* q_data
->height
/ 4;
115 case V4L2_PIX_FMT_YUV422P
:
116 base_cb
= base_y
+ q_data
->bytesperline
* q_data
->height
;
117 base_cr
= base_cb
+ q_data
->bytesperline
* q_data
->height
/ 2;
120 coda_write(ctx
->dev
, base_y
, reg_y
);
121 coda_write(ctx
->dev
, base_cb
, reg_y
+ 4);
122 coda_write(ctx
->dev
, base_cr
, reg_y
+ 8);
125 #define CODA_CODEC(mode, src_fourcc, dst_fourcc, max_w, max_h) \
126 { mode, src_fourcc, dst_fourcc, max_w, max_h }
129 * Arrays of codecs supported by each given version of Coda:
133 * Use V4L2_PIX_FMT_YUV420 as placeholder for all supported YUV 4:2:0 variants
135 static const struct coda_codec codadx6_codecs
[] = {
136 CODA_CODEC(CODADX6_MODE_ENCODE_H264
, V4L2_PIX_FMT_YUV420
, V4L2_PIX_FMT_H264
, 720, 576),
137 CODA_CODEC(CODADX6_MODE_ENCODE_MP4
, V4L2_PIX_FMT_YUV420
, V4L2_PIX_FMT_MPEG4
, 720, 576),
140 static const struct coda_codec coda7_codecs
[] = {
141 CODA_CODEC(CODA7_MODE_ENCODE_H264
, V4L2_PIX_FMT_YUV420
, V4L2_PIX_FMT_H264
, 1280, 720),
142 CODA_CODEC(CODA7_MODE_ENCODE_MP4
, V4L2_PIX_FMT_YUV420
, V4L2_PIX_FMT_MPEG4
, 1280, 720),
143 CODA_CODEC(CODA7_MODE_ENCODE_MJPG
, V4L2_PIX_FMT_YUV420
, V4L2_PIX_FMT_JPEG
, 8192, 8192),
144 CODA_CODEC(CODA7_MODE_DECODE_H264
, V4L2_PIX_FMT_H264
, V4L2_PIX_FMT_YUV420
, 1920, 1088),
145 CODA_CODEC(CODA7_MODE_DECODE_MP2
, V4L2_PIX_FMT_MPEG2
, V4L2_PIX_FMT_YUV420
, 1920, 1088),
146 CODA_CODEC(CODA7_MODE_DECODE_MP4
, V4L2_PIX_FMT_MPEG4
, V4L2_PIX_FMT_YUV420
, 1920, 1088),
147 CODA_CODEC(CODA7_MODE_DECODE_MJPG
, V4L2_PIX_FMT_JPEG
, V4L2_PIX_FMT_YUV420
, 8192, 8192),
150 static const struct coda_codec coda9_codecs
[] = {
151 CODA_CODEC(CODA9_MODE_ENCODE_H264
, V4L2_PIX_FMT_YUV420
, V4L2_PIX_FMT_H264
, 1920, 1088),
152 CODA_CODEC(CODA9_MODE_ENCODE_MP4
, V4L2_PIX_FMT_YUV420
, V4L2_PIX_FMT_MPEG4
, 1920, 1088),
153 CODA_CODEC(CODA9_MODE_DECODE_H264
, V4L2_PIX_FMT_H264
, V4L2_PIX_FMT_YUV420
, 1920, 1088),
154 CODA_CODEC(CODA9_MODE_DECODE_MP2
, V4L2_PIX_FMT_MPEG2
, V4L2_PIX_FMT_YUV420
, 1920, 1088),
155 CODA_CODEC(CODA9_MODE_DECODE_MP4
, V4L2_PIX_FMT_MPEG4
, V4L2_PIX_FMT_YUV420
, 1920, 1088),
158 struct coda_video_device
{
160 enum coda_inst_type type
;
161 const struct coda_context_ops
*ops
;
163 u32 src_formats
[CODA_MAX_FORMATS
];
164 u32 dst_formats
[CODA_MAX_FORMATS
];
167 static const struct coda_video_device coda_bit_encoder
= {
168 .name
= "coda-encoder",
169 .type
= CODA_INST_ENCODER
,
170 .ops
= &coda_bit_encode_ops
,
182 static const struct coda_video_device coda_bit_jpeg_encoder
= {
183 .name
= "coda-jpeg-encoder",
184 .type
= CODA_INST_ENCODER
,
185 .ops
= &coda_bit_encode_ops
,
190 V4L2_PIX_FMT_YUV422P
,
197 static const struct coda_video_device coda_bit_decoder
= {
198 .name
= "coda-decoder",
199 .type
= CODA_INST_DECODER
,
200 .ops
= &coda_bit_decode_ops
,
211 * If V4L2_PIX_FMT_YUYV should be default,
212 * set_default_params() must be adjusted.
218 static const struct coda_video_device coda_bit_jpeg_decoder
= {
219 .name
= "coda-jpeg-decoder",
220 .type
= CODA_INST_DECODER
,
221 .ops
= &coda_bit_decode_ops
,
229 V4L2_PIX_FMT_YUV422P
,
233 static const struct coda_video_device
*codadx6_video_devices
[] = {
237 static const struct coda_video_device
*coda7_video_devices
[] = {
238 &coda_bit_jpeg_encoder
,
239 &coda_bit_jpeg_decoder
,
244 static const struct coda_video_device
*coda9_video_devices
[] = {
250 * Normalize all supported YUV 4:2:0 formats to the value used in the codec
253 static u32
coda_format_normalize_yuv(u32 fourcc
)
256 case V4L2_PIX_FMT_NV12
:
257 case V4L2_PIX_FMT_YUV420
:
258 case V4L2_PIX_FMT_YVU420
:
259 case V4L2_PIX_FMT_YUV422P
:
260 case V4L2_PIX_FMT_YUYV
:
261 return V4L2_PIX_FMT_YUV420
;
267 static const struct coda_codec
*coda_find_codec(struct coda_dev
*dev
,
268 int src_fourcc
, int dst_fourcc
)
270 const struct coda_codec
*codecs
= dev
->devtype
->codecs
;
271 int num_codecs
= dev
->devtype
->num_codecs
;
274 src_fourcc
= coda_format_normalize_yuv(src_fourcc
);
275 dst_fourcc
= coda_format_normalize_yuv(dst_fourcc
);
276 if (src_fourcc
== dst_fourcc
)
279 for (k
= 0; k
< num_codecs
; k
++) {
280 if (codecs
[k
].src_fourcc
== src_fourcc
&&
281 codecs
[k
].dst_fourcc
== dst_fourcc
)
291 static void coda_get_max_dimensions(struct coda_dev
*dev
,
292 const struct coda_codec
*codec
,
293 int *max_w
, int *max_h
)
295 const struct coda_codec
*codecs
= dev
->devtype
->codecs
;
296 int num_codecs
= dev
->devtype
->num_codecs
;
304 for (k
= 0, w
= 0, h
= 0; k
< num_codecs
; k
++) {
305 w
= max(w
, codecs
[k
].max_w
);
306 h
= max(h
, codecs
[k
].max_h
);
316 static const struct coda_video_device
*to_coda_video_device(struct video_device
319 struct coda_dev
*dev
= video_get_drvdata(vdev
);
320 unsigned int i
= vdev
- dev
->vfd
;
322 if (i
>= dev
->devtype
->num_vdevs
)
325 return dev
->devtype
->vdevs
[i
];
328 const char *coda_product_name(int product
)
340 snprintf(buf
, sizeof(buf
), "(0x%04x)", product
);
345 static struct vdoa_data
*coda_get_vdoa_data(void)
347 struct device_node
*vdoa_node
;
348 struct platform_device
*vdoa_pdev
;
349 struct vdoa_data
*vdoa_data
= NULL
;
351 vdoa_node
= of_find_compatible_node(NULL
, NULL
, "fsl,imx6q-vdoa");
355 vdoa_pdev
= of_find_device_by_node(vdoa_node
);
359 vdoa_data
= platform_get_drvdata(vdoa_pdev
);
361 vdoa_data
= ERR_PTR(-EPROBE_DEFER
);
365 of_node_put(vdoa_node
);
371 * V4L2 ioctl() operations.
373 static int coda_querycap(struct file
*file
, void *priv
,
374 struct v4l2_capability
*cap
)
376 struct coda_ctx
*ctx
= fh_to_ctx(priv
);
378 strlcpy(cap
->driver
, CODA_NAME
, sizeof(cap
->driver
));
379 strlcpy(cap
->card
, coda_product_name(ctx
->dev
->devtype
->product
),
381 strlcpy(cap
->bus_info
, "platform:" CODA_NAME
, sizeof(cap
->bus_info
));
382 cap
->device_caps
= V4L2_CAP_VIDEO_M2M
| V4L2_CAP_STREAMING
;
383 cap
->capabilities
= cap
->device_caps
| V4L2_CAP_DEVICE_CAPS
;
388 static int coda_enum_fmt(struct file
*file
, void *priv
,
389 struct v4l2_fmtdesc
*f
)
391 struct video_device
*vdev
= video_devdata(file
);
392 const struct coda_video_device
*cvd
= to_coda_video_device(vdev
);
393 struct coda_ctx
*ctx
= fh_to_ctx(priv
);
396 if (f
->type
== V4L2_BUF_TYPE_VIDEO_OUTPUT
)
397 formats
= cvd
->src_formats
;
398 else if (f
->type
== V4L2_BUF_TYPE_VIDEO_CAPTURE
)
399 formats
= cvd
->dst_formats
;
403 if (f
->index
>= CODA_MAX_FORMATS
|| formats
[f
->index
] == 0)
406 /* Skip YUYV if the vdoa is not available */
407 if (!ctx
->vdoa
&& f
->type
== V4L2_BUF_TYPE_VIDEO_CAPTURE
&&
408 formats
[f
->index
] == V4L2_PIX_FMT_YUYV
)
411 f
->pixelformat
= formats
[f
->index
];
416 static int coda_g_fmt(struct file
*file
, void *priv
,
417 struct v4l2_format
*f
)
419 struct coda_q_data
*q_data
;
420 struct coda_ctx
*ctx
= fh_to_ctx(priv
);
422 q_data
= get_q_data(ctx
, f
->type
);
426 f
->fmt
.pix
.field
= V4L2_FIELD_NONE
;
427 f
->fmt
.pix
.pixelformat
= q_data
->fourcc
;
428 f
->fmt
.pix
.width
= q_data
->width
;
429 f
->fmt
.pix
.height
= q_data
->height
;
430 f
->fmt
.pix
.bytesperline
= q_data
->bytesperline
;
432 f
->fmt
.pix
.sizeimage
= q_data
->sizeimage
;
433 f
->fmt
.pix
.colorspace
= ctx
->colorspace
;
434 f
->fmt
.pix
.xfer_func
= ctx
->xfer_func
;
435 f
->fmt
.pix
.ycbcr_enc
= ctx
->ycbcr_enc
;
436 f
->fmt
.pix
.quantization
= ctx
->quantization
;
441 static int coda_try_pixelformat(struct coda_ctx
*ctx
, struct v4l2_format
*f
)
443 struct coda_q_data
*q_data
;
447 if (f
->type
== V4L2_BUF_TYPE_VIDEO_OUTPUT
)
448 formats
= ctx
->cvd
->src_formats
;
449 else if (f
->type
== V4L2_BUF_TYPE_VIDEO_CAPTURE
)
450 formats
= ctx
->cvd
->dst_formats
;
454 for (i
= 0; i
< CODA_MAX_FORMATS
; i
++) {
455 /* Skip YUYV if the vdoa is not available */
456 if (!ctx
->vdoa
&& f
->type
== V4L2_BUF_TYPE_VIDEO_CAPTURE
&&
457 formats
[i
] == V4L2_PIX_FMT_YUYV
)
460 if (formats
[i
] == f
->fmt
.pix
.pixelformat
) {
461 f
->fmt
.pix
.pixelformat
= formats
[i
];
466 /* Fall back to currently set pixelformat */
467 q_data
= get_q_data(ctx
, f
->type
);
468 f
->fmt
.pix
.pixelformat
= q_data
->fourcc
;
473 static int coda_try_fmt_vdoa(struct coda_ctx
*ctx
, struct v4l2_format
*f
,
478 if (f
->type
!= V4L2_BUF_TYPE_VIDEO_CAPTURE
)
489 err
= vdoa_context_configure(NULL
, f
->fmt
.pix
.width
, f
->fmt
.pix
.height
,
490 f
->fmt
.pix
.pixelformat
);
500 static unsigned int coda_estimate_sizeimage(struct coda_ctx
*ctx
, u32 sizeimage
,
501 u32 width
, u32 height
)
504 * This is a rough estimate for sensible compressed buffer
505 * sizes (between 1 and 16 bits per pixel). This could be
506 * improved by better format specific worst case estimates.
508 return round_up(clamp(sizeimage
, width
* height
/ 8,
509 width
* height
* 2), PAGE_SIZE
);
512 static int coda_try_fmt(struct coda_ctx
*ctx
, const struct coda_codec
*codec
,
513 struct v4l2_format
*f
)
515 struct coda_dev
*dev
= ctx
->dev
;
516 unsigned int max_w
, max_h
;
517 enum v4l2_field field
;
519 field
= f
->fmt
.pix
.field
;
520 if (field
== V4L2_FIELD_ANY
)
521 field
= V4L2_FIELD_NONE
;
522 else if (V4L2_FIELD_NONE
!= field
)
525 /* V4L2 specification suggests the driver corrects the format struct
526 * if any of the dimensions is unsupported */
527 f
->fmt
.pix
.field
= field
;
529 coda_get_max_dimensions(dev
, codec
, &max_w
, &max_h
);
530 v4l_bound_align_image(&f
->fmt
.pix
.width
, MIN_W
, max_w
, W_ALIGN
,
531 &f
->fmt
.pix
.height
, MIN_H
, max_h
, H_ALIGN
,
534 switch (f
->fmt
.pix
.pixelformat
) {
535 case V4L2_PIX_FMT_NV12
:
536 case V4L2_PIX_FMT_YUV420
:
537 case V4L2_PIX_FMT_YVU420
:
539 * Frame stride must be at least multiple of 8,
540 * but multiple of 16 for h.264 or JPEG 4:2:x
542 f
->fmt
.pix
.bytesperline
= round_up(f
->fmt
.pix
.width
, 16);
543 f
->fmt
.pix
.sizeimage
= f
->fmt
.pix
.bytesperline
*
544 f
->fmt
.pix
.height
* 3 / 2;
546 case V4L2_PIX_FMT_YUYV
:
547 f
->fmt
.pix
.bytesperline
= round_up(f
->fmt
.pix
.width
, 16) * 2;
548 f
->fmt
.pix
.sizeimage
= f
->fmt
.pix
.bytesperline
*
551 case V4L2_PIX_FMT_YUV422P
:
552 f
->fmt
.pix
.bytesperline
= round_up(f
->fmt
.pix
.width
, 16);
553 f
->fmt
.pix
.sizeimage
= f
->fmt
.pix
.bytesperline
*
554 f
->fmt
.pix
.height
* 2;
556 case V4L2_PIX_FMT_JPEG
:
557 f
->fmt
.pix
.colorspace
= V4L2_COLORSPACE_JPEG
;
559 case V4L2_PIX_FMT_H264
:
560 case V4L2_PIX_FMT_MPEG4
:
561 case V4L2_PIX_FMT_MPEG2
:
562 f
->fmt
.pix
.bytesperline
= 0;
563 f
->fmt
.pix
.sizeimage
= coda_estimate_sizeimage(ctx
,
564 f
->fmt
.pix
.sizeimage
,
575 static int coda_try_fmt_vid_cap(struct file
*file
, void *priv
,
576 struct v4l2_format
*f
)
578 struct coda_ctx
*ctx
= fh_to_ctx(priv
);
579 const struct coda_q_data
*q_data_src
;
580 const struct coda_codec
*codec
;
581 struct vb2_queue
*src_vq
;
585 ret
= coda_try_pixelformat(ctx
, f
);
589 q_data_src
= get_q_data(ctx
, V4L2_BUF_TYPE_VIDEO_OUTPUT
);
592 * If the source format is already fixed, only allow the same output
595 src_vq
= v4l2_m2m_get_vq(ctx
->fh
.m2m_ctx
, V4L2_BUF_TYPE_VIDEO_OUTPUT
);
596 if (vb2_is_streaming(src_vq
)) {
597 f
->fmt
.pix
.width
= q_data_src
->width
;
598 f
->fmt
.pix
.height
= q_data_src
->height
;
601 f
->fmt
.pix
.colorspace
= ctx
->colorspace
;
602 f
->fmt
.pix
.xfer_func
= ctx
->xfer_func
;
603 f
->fmt
.pix
.ycbcr_enc
= ctx
->ycbcr_enc
;
604 f
->fmt
.pix
.quantization
= ctx
->quantization
;
606 q_data_src
= get_q_data(ctx
, V4L2_BUF_TYPE_VIDEO_OUTPUT
);
607 codec
= coda_find_codec(ctx
->dev
, q_data_src
->fourcc
,
608 f
->fmt
.pix
.pixelformat
);
612 ret
= coda_try_fmt(ctx
, codec
, f
);
616 /* The h.264 decoder only returns complete 16x16 macroblocks */
617 if (codec
&& codec
->src_fourcc
== V4L2_PIX_FMT_H264
) {
618 f
->fmt
.pix
.height
= round_up(f
->fmt
.pix
.height
, 16);
619 f
->fmt
.pix
.bytesperline
= round_up(f
->fmt
.pix
.width
, 16);
620 f
->fmt
.pix
.sizeimage
= f
->fmt
.pix
.bytesperline
*
621 f
->fmt
.pix
.height
* 3 / 2;
623 ret
= coda_try_fmt_vdoa(ctx
, f
, &use_vdoa
);
627 if (f
->fmt
.pix
.pixelformat
== V4L2_PIX_FMT_YUYV
) {
631 f
->fmt
.pix
.bytesperline
= round_up(f
->fmt
.pix
.width
, 16) * 2;
632 f
->fmt
.pix
.sizeimage
= f
->fmt
.pix
.bytesperline
*
640 static void coda_set_default_colorspace(struct v4l2_pix_format
*fmt
)
642 enum v4l2_colorspace colorspace
;
644 if (fmt
->pixelformat
== V4L2_PIX_FMT_JPEG
)
645 colorspace
= V4L2_COLORSPACE_JPEG
;
646 else if (fmt
->width
<= 720 && fmt
->height
<= 576)
647 colorspace
= V4L2_COLORSPACE_SMPTE170M
;
649 colorspace
= V4L2_COLORSPACE_REC709
;
651 fmt
->colorspace
= colorspace
;
652 fmt
->xfer_func
= V4L2_XFER_FUNC_DEFAULT
;
653 fmt
->ycbcr_enc
= V4L2_YCBCR_ENC_DEFAULT
;
654 fmt
->quantization
= V4L2_QUANTIZATION_DEFAULT
;
657 static int coda_try_fmt_vid_out(struct file
*file
, void *priv
,
658 struct v4l2_format
*f
)
660 struct coda_ctx
*ctx
= fh_to_ctx(priv
);
661 struct coda_dev
*dev
= ctx
->dev
;
662 const struct coda_q_data
*q_data_dst
;
663 const struct coda_codec
*codec
;
666 ret
= coda_try_pixelformat(ctx
, f
);
670 if (f
->fmt
.pix
.colorspace
== V4L2_COLORSPACE_DEFAULT
)
671 coda_set_default_colorspace(&f
->fmt
.pix
);
673 q_data_dst
= get_q_data(ctx
, V4L2_BUF_TYPE_VIDEO_CAPTURE
);
674 codec
= coda_find_codec(dev
, f
->fmt
.pix
.pixelformat
, q_data_dst
->fourcc
);
676 return coda_try_fmt(ctx
, codec
, f
);
679 static int coda_s_fmt(struct coda_ctx
*ctx
, struct v4l2_format
*f
,
682 struct coda_q_data
*q_data
;
683 struct vb2_queue
*vq
;
685 vq
= v4l2_m2m_get_vq(ctx
->fh
.m2m_ctx
, f
->type
);
689 q_data
= get_q_data(ctx
, f
->type
);
693 if (vb2_is_busy(vq
)) {
694 v4l2_err(&ctx
->dev
->v4l2_dev
, "%s queue busy\n", __func__
);
698 q_data
->fourcc
= f
->fmt
.pix
.pixelformat
;
699 q_data
->width
= f
->fmt
.pix
.width
;
700 q_data
->height
= f
->fmt
.pix
.height
;
701 q_data
->bytesperline
= f
->fmt
.pix
.bytesperline
;
702 q_data
->sizeimage
= f
->fmt
.pix
.sizeimage
;
706 q_data
->rect
.left
= 0;
707 q_data
->rect
.top
= 0;
708 q_data
->rect
.width
= f
->fmt
.pix
.width
;
709 q_data
->rect
.height
= f
->fmt
.pix
.height
;
712 switch (f
->fmt
.pix
.pixelformat
) {
713 case V4L2_PIX_FMT_YUYV
:
714 ctx
->tiled_map_type
= GDI_TILED_FRAME_MB_RASTER_MAP
;
716 case V4L2_PIX_FMT_NV12
:
717 ctx
->tiled_map_type
= GDI_TILED_FRAME_MB_RASTER_MAP
;
720 /* else fall through */
721 case V4L2_PIX_FMT_YUV420
:
722 case V4L2_PIX_FMT_YVU420
:
723 ctx
->tiled_map_type
= GDI_LINEAR_FRAME_MAP
;
729 if (ctx
->tiled_map_type
== GDI_TILED_FRAME_MB_RASTER_MAP
&&
730 !coda_try_fmt_vdoa(ctx
, f
, &ctx
->use_vdoa
) &&
732 vdoa_context_configure(ctx
->vdoa
, f
->fmt
.pix
.width
,
734 f
->fmt
.pix
.pixelformat
);
736 ctx
->use_vdoa
= false;
738 v4l2_dbg(1, coda_debug
, &ctx
->dev
->v4l2_dev
,
739 "Setting format for type %d, wxh: %dx%d, fmt: %4.4s %c\n",
740 f
->type
, q_data
->width
, q_data
->height
,
741 (char *)&q_data
->fourcc
,
742 (ctx
->tiled_map_type
== GDI_LINEAR_FRAME_MAP
) ? 'L' : 'T');
747 static int coda_s_fmt_vid_cap(struct file
*file
, void *priv
,
748 struct v4l2_format
*f
)
750 struct coda_ctx
*ctx
= fh_to_ctx(priv
);
751 struct coda_q_data
*q_data_src
;
755 ret
= coda_try_fmt_vid_cap(file
, priv
, f
);
759 q_data_src
= get_q_data(ctx
, V4L2_BUF_TYPE_VIDEO_OUTPUT
);
762 r
.width
= q_data_src
->width
;
763 r
.height
= q_data_src
->height
;
765 return coda_s_fmt(ctx
, f
, &r
);
768 static int coda_s_fmt_vid_out(struct file
*file
, void *priv
,
769 struct v4l2_format
*f
)
771 struct coda_ctx
*ctx
= fh_to_ctx(priv
);
772 struct coda_q_data
*q_data_src
;
773 struct v4l2_format f_cap
;
777 ret
= coda_try_fmt_vid_out(file
, priv
, f
);
781 ret
= coda_s_fmt(ctx
, f
, NULL
);
785 ctx
->colorspace
= f
->fmt
.pix
.colorspace
;
786 ctx
->xfer_func
= f
->fmt
.pix
.xfer_func
;
787 ctx
->ycbcr_enc
= f
->fmt
.pix
.ycbcr_enc
;
788 ctx
->quantization
= f
->fmt
.pix
.quantization
;
790 memset(&f_cap
, 0, sizeof(f_cap
));
791 f_cap
.type
= V4L2_BUF_TYPE_VIDEO_CAPTURE
;
792 coda_g_fmt(file
, priv
, &f_cap
);
793 f_cap
.fmt
.pix
.width
= f
->fmt
.pix
.width
;
794 f_cap
.fmt
.pix
.height
= f
->fmt
.pix
.height
;
796 ret
= coda_try_fmt_vid_cap(file
, priv
, &f_cap
);
800 q_data_src
= get_q_data(ctx
, V4L2_BUF_TYPE_VIDEO_OUTPUT
);
803 r
.width
= q_data_src
->width
;
804 r
.height
= q_data_src
->height
;
806 return coda_s_fmt(ctx
, &f_cap
, &r
);
809 static int coda_reqbufs(struct file
*file
, void *priv
,
810 struct v4l2_requestbuffers
*rb
)
812 struct coda_ctx
*ctx
= fh_to_ctx(priv
);
815 ret
= v4l2_m2m_reqbufs(file
, ctx
->fh
.m2m_ctx
, rb
);
820 * Allow to allocate instance specific per-context buffers, such as
821 * bitstream ringbuffer, slice buffer, work buffer, etc. if needed.
823 if (rb
->type
== V4L2_BUF_TYPE_VIDEO_OUTPUT
&& ctx
->ops
->reqbufs
)
824 return ctx
->ops
->reqbufs(ctx
, rb
);
829 static int coda_qbuf(struct file
*file
, void *priv
,
830 struct v4l2_buffer
*buf
)
832 struct coda_ctx
*ctx
= fh_to_ctx(priv
);
834 return v4l2_m2m_qbuf(file
, ctx
->fh
.m2m_ctx
, buf
);
837 static bool coda_buf_is_end_of_stream(struct coda_ctx
*ctx
,
838 struct vb2_v4l2_buffer
*buf
)
840 return ((ctx
->bit_stream_param
& CODA_BIT_STREAM_END_FLAG
) &&
841 (buf
->sequence
== (ctx
->qsequence
- 1)));
844 void coda_m2m_buf_done(struct coda_ctx
*ctx
, struct vb2_v4l2_buffer
*buf
,
845 enum vb2_buffer_state state
)
847 const struct v4l2_event eos_event
= {
848 .type
= V4L2_EVENT_EOS
851 if (coda_buf_is_end_of_stream(ctx
, buf
)) {
852 buf
->flags
|= V4L2_BUF_FLAG_LAST
;
854 v4l2_event_queue_fh(&ctx
->fh
, &eos_event
);
857 v4l2_m2m_buf_done(buf
, state
);
860 static int coda_g_selection(struct file
*file
, void *fh
,
861 struct v4l2_selection
*s
)
863 struct coda_ctx
*ctx
= fh_to_ctx(fh
);
864 struct coda_q_data
*q_data
;
865 struct v4l2_rect r
, *rsel
;
867 q_data
= get_q_data(ctx
, s
->type
);
873 r
.width
= q_data
->width
;
874 r
.height
= q_data
->height
;
875 rsel
= &q_data
->rect
;
878 case V4L2_SEL_TGT_CROP_DEFAULT
:
879 case V4L2_SEL_TGT_CROP_BOUNDS
:
882 case V4L2_SEL_TGT_CROP
:
883 if (s
->type
!= V4L2_BUF_TYPE_VIDEO_OUTPUT
)
886 case V4L2_SEL_TGT_COMPOSE_BOUNDS
:
887 case V4L2_SEL_TGT_COMPOSE_PADDED
:
890 case V4L2_SEL_TGT_COMPOSE
:
891 case V4L2_SEL_TGT_COMPOSE_DEFAULT
:
892 if (s
->type
!= V4L2_BUF_TYPE_VIDEO_CAPTURE
)
904 static int coda_try_encoder_cmd(struct file
*file
, void *fh
,
905 struct v4l2_encoder_cmd
*ec
)
907 if (ec
->cmd
!= V4L2_ENC_CMD_STOP
)
910 if (ec
->flags
& V4L2_ENC_CMD_STOP_AT_GOP_END
)
916 static int coda_encoder_cmd(struct file
*file
, void *fh
,
917 struct v4l2_encoder_cmd
*ec
)
919 struct coda_ctx
*ctx
= fh_to_ctx(fh
);
920 struct vb2_queue
*dst_vq
;
923 ret
= coda_try_encoder_cmd(file
, fh
, ec
);
927 /* Ignore encoder stop command silently in decoder context */
928 if (ctx
->inst_type
!= CODA_INST_ENCODER
)
931 /* Set the stream-end flag on this context */
932 ctx
->bit_stream_param
|= CODA_BIT_STREAM_END_FLAG
;
934 /* If there is no buffer in flight, wake up */
935 if (ctx
->qsequence
== ctx
->osequence
) {
936 dst_vq
= v4l2_m2m_get_vq(ctx
->fh
.m2m_ctx
,
937 V4L2_BUF_TYPE_VIDEO_CAPTURE
);
938 dst_vq
->last_buffer_dequeued
= true;
939 wake_up(&dst_vq
->done_wq
);
945 static int coda_try_decoder_cmd(struct file
*file
, void *fh
,
946 struct v4l2_decoder_cmd
*dc
)
948 if (dc
->cmd
!= V4L2_DEC_CMD_STOP
)
951 if (dc
->flags
& V4L2_DEC_CMD_STOP_TO_BLACK
)
954 if (!(dc
->flags
& V4L2_DEC_CMD_STOP_IMMEDIATELY
) && (dc
->stop
.pts
!= 0))
960 static int coda_decoder_cmd(struct file
*file
, void *fh
,
961 struct v4l2_decoder_cmd
*dc
)
963 struct coda_ctx
*ctx
= fh_to_ctx(fh
);
966 ret
= coda_try_decoder_cmd(file
, fh
, dc
);
970 /* Ignore decoder stop command silently in encoder context */
971 if (ctx
->inst_type
!= CODA_INST_DECODER
)
974 /* Set the stream-end flag on this context */
975 coda_bit_stream_end_flag(ctx
);
977 v4l2_m2m_try_schedule(ctx
->fh
.m2m_ctx
);
982 static int coda_g_parm(struct file
*file
, void *fh
, struct v4l2_streamparm
*a
)
984 struct coda_ctx
*ctx
= fh_to_ctx(fh
);
985 struct v4l2_fract
*tpf
;
987 if (a
->type
!= V4L2_BUF_TYPE_VIDEO_OUTPUT
)
990 a
->parm
.output
.capability
= V4L2_CAP_TIMEPERFRAME
;
991 tpf
= &a
->parm
.output
.timeperframe
;
992 tpf
->denominator
= ctx
->params
.framerate
& CODA_FRATE_RES_MASK
;
993 tpf
->numerator
= 1 + (ctx
->params
.framerate
>>
994 CODA_FRATE_DIV_OFFSET
);
1000 * Approximate timeperframe v4l2_fract with values that can be written
1001 * into the 16-bit CODA_FRATE_DIV and CODA_FRATE_RES fields.
1003 static void coda_approximate_timeperframe(struct v4l2_fract
*timeperframe
)
1005 struct v4l2_fract s
= *timeperframe
;
1006 struct v4l2_fract f0
;
1007 struct v4l2_fract f1
= { 1, 0 };
1008 struct v4l2_fract f2
= { 0, 1 };
1009 unsigned int i
, div
, s_denominator
;
1011 /* Lower bound is 1/65535 */
1012 if (s
.numerator
== 0 || s
.denominator
/ s
.numerator
> 65535) {
1013 timeperframe
->numerator
= 1;
1014 timeperframe
->denominator
= 65535;
1018 /* Upper bound is 65536/1, map everything above to infinity */
1019 if (s
.denominator
== 0 || s
.numerator
/ s
.denominator
> 65536) {
1020 timeperframe
->numerator
= 1;
1021 timeperframe
->denominator
= 0;
1025 /* Reduce fraction to lowest terms */
1026 div
= gcd(s
.numerator
, s
.denominator
);
1029 s
.denominator
/= div
;
1032 if (s
.numerator
<= 65536 && s
.denominator
< 65536) {
1037 /* Find successive convergents from continued fraction expansion */
1038 while (f2
.numerator
<= 65536 && f2
.denominator
< 65536) {
1042 /* Stop when f2 exactly equals timeperframe */
1043 if (s
.numerator
== 0)
1046 i
= s
.denominator
/ s
.numerator
;
1048 f2
.numerator
= f0
.numerator
+ i
* f1
.numerator
;
1049 f2
.denominator
= f0
.denominator
+ i
* f2
.denominator
;
1051 s_denominator
= s
.numerator
;
1052 s
.numerator
= s
.denominator
% s
.numerator
;
1053 s
.denominator
= s_denominator
;
1059 static uint32_t coda_timeperframe_to_frate(struct v4l2_fract
*timeperframe
)
1061 return ((timeperframe
->numerator
- 1) << CODA_FRATE_DIV_OFFSET
) |
1062 timeperframe
->denominator
;
1065 static int coda_s_parm(struct file
*file
, void *fh
, struct v4l2_streamparm
*a
)
1067 struct coda_ctx
*ctx
= fh_to_ctx(fh
);
1068 struct v4l2_fract
*tpf
;
1070 if (a
->type
!= V4L2_BUF_TYPE_VIDEO_OUTPUT
)
1073 tpf
= &a
->parm
.output
.timeperframe
;
1074 coda_approximate_timeperframe(tpf
);
1075 ctx
->params
.framerate
= coda_timeperframe_to_frate(tpf
);
1080 static int coda_subscribe_event(struct v4l2_fh
*fh
,
1081 const struct v4l2_event_subscription
*sub
)
1083 switch (sub
->type
) {
1084 case V4L2_EVENT_EOS
:
1085 return v4l2_event_subscribe(fh
, sub
, 0, NULL
);
1087 return v4l2_ctrl_subscribe_event(fh
, sub
);
1091 static const struct v4l2_ioctl_ops coda_ioctl_ops
= {
1092 .vidioc_querycap
= coda_querycap
,
1094 .vidioc_enum_fmt_vid_cap
= coda_enum_fmt
,
1095 .vidioc_g_fmt_vid_cap
= coda_g_fmt
,
1096 .vidioc_try_fmt_vid_cap
= coda_try_fmt_vid_cap
,
1097 .vidioc_s_fmt_vid_cap
= coda_s_fmt_vid_cap
,
1099 .vidioc_enum_fmt_vid_out
= coda_enum_fmt
,
1100 .vidioc_g_fmt_vid_out
= coda_g_fmt
,
1101 .vidioc_try_fmt_vid_out
= coda_try_fmt_vid_out
,
1102 .vidioc_s_fmt_vid_out
= coda_s_fmt_vid_out
,
1104 .vidioc_reqbufs
= coda_reqbufs
,
1105 .vidioc_querybuf
= v4l2_m2m_ioctl_querybuf
,
1107 .vidioc_qbuf
= coda_qbuf
,
1108 .vidioc_expbuf
= v4l2_m2m_ioctl_expbuf
,
1109 .vidioc_dqbuf
= v4l2_m2m_ioctl_dqbuf
,
1110 .vidioc_create_bufs
= v4l2_m2m_ioctl_create_bufs
,
1111 .vidioc_prepare_buf
= v4l2_m2m_ioctl_prepare_buf
,
1113 .vidioc_streamon
= v4l2_m2m_ioctl_streamon
,
1114 .vidioc_streamoff
= v4l2_m2m_ioctl_streamoff
,
1116 .vidioc_g_selection
= coda_g_selection
,
1118 .vidioc_try_encoder_cmd
= coda_try_encoder_cmd
,
1119 .vidioc_encoder_cmd
= coda_encoder_cmd
,
1120 .vidioc_try_decoder_cmd
= coda_try_decoder_cmd
,
1121 .vidioc_decoder_cmd
= coda_decoder_cmd
,
1123 .vidioc_g_parm
= coda_g_parm
,
1124 .vidioc_s_parm
= coda_s_parm
,
1126 .vidioc_subscribe_event
= coda_subscribe_event
,
1127 .vidioc_unsubscribe_event
= v4l2_event_unsubscribe
,
1131 * Mem-to-mem operations.
1134 static void coda_device_run(void *m2m_priv
)
1136 struct coda_ctx
*ctx
= m2m_priv
;
1137 struct coda_dev
*dev
= ctx
->dev
;
1139 queue_work(dev
->workqueue
, &ctx
->pic_run_work
);
1142 static void coda_pic_run_work(struct work_struct
*work
)
1144 struct coda_ctx
*ctx
= container_of(work
, struct coda_ctx
, pic_run_work
);
1145 struct coda_dev
*dev
= ctx
->dev
;
1148 mutex_lock(&ctx
->buffer_mutex
);
1149 mutex_lock(&dev
->coda_mutex
);
1151 ret
= ctx
->ops
->prepare_run(ctx
);
1152 if (ret
< 0 && ctx
->inst_type
== CODA_INST_DECODER
) {
1153 mutex_unlock(&dev
->coda_mutex
);
1154 mutex_unlock(&ctx
->buffer_mutex
);
1155 /* job_finish scheduled by prepare_decode */
1159 if (!wait_for_completion_timeout(&ctx
->completion
,
1160 msecs_to_jiffies(1000))) {
1161 dev_err(&dev
->plat_dev
->dev
, "CODA PIC_RUN timeout\n");
1167 if (ctx
->ops
->run_timeout
)
1168 ctx
->ops
->run_timeout(ctx
);
1169 } else if (!ctx
->aborting
) {
1170 ctx
->ops
->finish_run(ctx
);
1173 if ((ctx
->aborting
|| (!ctx
->streamon_cap
&& !ctx
->streamon_out
)) &&
1174 ctx
->ops
->seq_end_work
)
1175 queue_work(dev
->workqueue
, &ctx
->seq_end_work
);
1177 mutex_unlock(&dev
->coda_mutex
);
1178 mutex_unlock(&ctx
->buffer_mutex
);
1180 v4l2_m2m_job_finish(ctx
->dev
->m2m_dev
, ctx
->fh
.m2m_ctx
);
1183 static int coda_job_ready(void *m2m_priv
)
1185 struct coda_ctx
*ctx
= m2m_priv
;
1186 int src_bufs
= v4l2_m2m_num_src_bufs_ready(ctx
->fh
.m2m_ctx
);
1189 * For both 'P' and 'key' frame cases 1 picture
1190 * and 1 frame are needed. In the decoder case,
1191 * the compressed frame can be in the bitstream.
1193 if (!src_bufs
&& ctx
->inst_type
!= CODA_INST_DECODER
) {
1194 v4l2_dbg(1, coda_debug
, &ctx
->dev
->v4l2_dev
,
1195 "not ready: not enough video buffers.\n");
1199 if (!v4l2_m2m_num_dst_bufs_ready(ctx
->fh
.m2m_ctx
)) {
1200 v4l2_dbg(1, coda_debug
, &ctx
->dev
->v4l2_dev
,
1201 "not ready: not enough video capture buffers.\n");
1205 if (ctx
->inst_type
== CODA_INST_DECODER
&& ctx
->use_bit
) {
1206 bool stream_end
= ctx
->bit_stream_param
&
1207 CODA_BIT_STREAM_END_FLAG
;
1208 int num_metas
= ctx
->num_metas
;
1211 count
= hweight32(ctx
->frm_dis_flg
);
1212 if (ctx
->use_vdoa
&& count
>= (ctx
->num_internal_frames
- 1)) {
1213 v4l2_dbg(1, coda_debug
, &ctx
->dev
->v4l2_dev
,
1214 "%d: not ready: all internal buffers in use: %d/%d (0x%x)",
1215 ctx
->idx
, count
, ctx
->num_internal_frames
,
1220 if (ctx
->hold
&& !src_bufs
) {
1221 v4l2_dbg(1, coda_debug
, &ctx
->dev
->v4l2_dev
,
1222 "%d: not ready: on hold for more buffers.\n",
1227 if (!stream_end
&& (num_metas
+ src_bufs
) < 2) {
1228 v4l2_dbg(1, coda_debug
, &ctx
->dev
->v4l2_dev
,
1229 "%d: not ready: need 2 buffers available (%d, %d)\n",
1230 ctx
->idx
, num_metas
, src_bufs
);
1235 if (!src_bufs
&& !stream_end
&&
1236 (coda_get_bitstream_payload(ctx
) < 512)) {
1237 v4l2_dbg(1, coda_debug
, &ctx
->dev
->v4l2_dev
,
1238 "%d: not ready: not enough bitstream data (%d).\n",
1239 ctx
->idx
, coda_get_bitstream_payload(ctx
));
1244 if (ctx
->aborting
) {
1245 v4l2_dbg(1, coda_debug
, &ctx
->dev
->v4l2_dev
,
1246 "not ready: aborting\n");
1250 v4l2_dbg(1, coda_debug
, &ctx
->dev
->v4l2_dev
,
1256 static void coda_job_abort(void *priv
)
1258 struct coda_ctx
*ctx
= priv
;
1262 v4l2_dbg(1, coda_debug
, &ctx
->dev
->v4l2_dev
,
1266 static void coda_lock(void *m2m_priv
)
1268 struct coda_ctx
*ctx
= m2m_priv
;
1269 struct coda_dev
*pcdev
= ctx
->dev
;
1271 mutex_lock(&pcdev
->dev_mutex
);
1274 static void coda_unlock(void *m2m_priv
)
1276 struct coda_ctx
*ctx
= m2m_priv
;
1277 struct coda_dev
*pcdev
= ctx
->dev
;
1279 mutex_unlock(&pcdev
->dev_mutex
);
1282 static const struct v4l2_m2m_ops coda_m2m_ops
= {
1283 .device_run
= coda_device_run
,
1284 .job_ready
= coda_job_ready
,
1285 .job_abort
= coda_job_abort
,
1287 .unlock
= coda_unlock
,
1290 static void set_default_params(struct coda_ctx
*ctx
)
1292 unsigned int max_w
, max_h
, usize
, csize
;
1294 ctx
->codec
= coda_find_codec(ctx
->dev
, ctx
->cvd
->src_formats
[0],
1295 ctx
->cvd
->dst_formats
[0]);
1296 max_w
= min(ctx
->codec
->max_w
, 1920U);
1297 max_h
= min(ctx
->codec
->max_h
, 1088U);
1298 usize
= max_w
* max_h
* 3 / 2;
1299 csize
= coda_estimate_sizeimage(ctx
, usize
, max_w
, max_h
);
1301 ctx
->params
.codec_mode
= ctx
->codec
->mode
;
1302 if (ctx
->cvd
->src_formats
[0] == V4L2_PIX_FMT_JPEG
)
1303 ctx
->colorspace
= V4L2_COLORSPACE_JPEG
;
1305 ctx
->colorspace
= V4L2_COLORSPACE_REC709
;
1306 ctx
->xfer_func
= V4L2_XFER_FUNC_DEFAULT
;
1307 ctx
->ycbcr_enc
= V4L2_YCBCR_ENC_DEFAULT
;
1308 ctx
->quantization
= V4L2_QUANTIZATION_DEFAULT
;
1309 ctx
->params
.framerate
= 30;
1311 /* Default formats for output and input queues */
1312 ctx
->q_data
[V4L2_M2M_SRC
].fourcc
= ctx
->cvd
->src_formats
[0];
1313 ctx
->q_data
[V4L2_M2M_DST
].fourcc
= ctx
->cvd
->dst_formats
[0];
1314 ctx
->q_data
[V4L2_M2M_SRC
].width
= max_w
;
1315 ctx
->q_data
[V4L2_M2M_SRC
].height
= max_h
;
1316 ctx
->q_data
[V4L2_M2M_DST
].width
= max_w
;
1317 ctx
->q_data
[V4L2_M2M_DST
].height
= max_h
;
1318 if (ctx
->codec
->src_fourcc
== V4L2_PIX_FMT_YUV420
) {
1319 ctx
->q_data
[V4L2_M2M_SRC
].bytesperline
= max_w
;
1320 ctx
->q_data
[V4L2_M2M_SRC
].sizeimage
= usize
;
1321 ctx
->q_data
[V4L2_M2M_DST
].bytesperline
= 0;
1322 ctx
->q_data
[V4L2_M2M_DST
].sizeimage
= csize
;
1324 ctx
->q_data
[V4L2_M2M_SRC
].bytesperline
= 0;
1325 ctx
->q_data
[V4L2_M2M_SRC
].sizeimage
= csize
;
1326 ctx
->q_data
[V4L2_M2M_DST
].bytesperline
= max_w
;
1327 ctx
->q_data
[V4L2_M2M_DST
].sizeimage
= usize
;
1329 ctx
->q_data
[V4L2_M2M_SRC
].rect
.width
= max_w
;
1330 ctx
->q_data
[V4L2_M2M_SRC
].rect
.height
= max_h
;
1331 ctx
->q_data
[V4L2_M2M_DST
].rect
.width
= max_w
;
1332 ctx
->q_data
[V4L2_M2M_DST
].rect
.height
= max_h
;
1335 * Since the RBC2AXI logic only supports a single chroma plane,
1336 * macroblock tiling only works for to NV12 pixel format.
1338 ctx
->tiled_map_type
= GDI_LINEAR_FRAME_MAP
;
1344 static int coda_queue_setup(struct vb2_queue
*vq
,
1345 unsigned int *nbuffers
, unsigned int *nplanes
,
1346 unsigned int sizes
[], struct device
*alloc_devs
[])
1348 struct coda_ctx
*ctx
= vb2_get_drv_priv(vq
);
1349 struct coda_q_data
*q_data
;
1352 q_data
= get_q_data(ctx
, vq
->type
);
1353 size
= q_data
->sizeimage
;
1358 v4l2_dbg(1, coda_debug
, &ctx
->dev
->v4l2_dev
,
1359 "get %d buffer(s) of size %d each.\n", *nbuffers
, size
);
1364 static int coda_buf_prepare(struct vb2_buffer
*vb
)
1366 struct coda_ctx
*ctx
= vb2_get_drv_priv(vb
->vb2_queue
);
1367 struct coda_q_data
*q_data
;
1369 q_data
= get_q_data(ctx
, vb
->vb2_queue
->type
);
1371 if (vb2_plane_size(vb
, 0) < q_data
->sizeimage
) {
1372 v4l2_warn(&ctx
->dev
->v4l2_dev
,
1373 "%s data will not fit into plane (%lu < %lu)\n",
1374 __func__
, vb2_plane_size(vb
, 0),
1375 (long)q_data
->sizeimage
);
1382 static void coda_buf_queue(struct vb2_buffer
*vb
)
1384 struct vb2_v4l2_buffer
*vbuf
= to_vb2_v4l2_buffer(vb
);
1385 struct coda_ctx
*ctx
= vb2_get_drv_priv(vb
->vb2_queue
);
1386 struct vb2_queue
*vq
= vb
->vb2_queue
;
1387 struct coda_q_data
*q_data
;
1389 q_data
= get_q_data(ctx
, vb
->vb2_queue
->type
);
1392 * In the decoder case, immediately try to copy the buffer into the
1393 * bitstream ringbuffer and mark it as ready to be dequeued.
1395 if (ctx
->bitstream
.size
&& vq
->type
== V4L2_BUF_TYPE_VIDEO_OUTPUT
) {
1397 * For backwards compatibility, queuing an empty buffer marks
1400 if (vb2_get_plane_payload(vb
, 0) == 0)
1401 coda_bit_stream_end_flag(ctx
);
1403 if (q_data
->fourcc
== V4L2_PIX_FMT_H264
) {
1405 * Unless already done, try to obtain profile_idc and
1406 * level_idc from the SPS header. This allows to decide
1407 * whether to enable reordering during sequence
1410 if (!ctx
->params
.h264_profile_idc
)
1411 coda_sps_parse_profile(ctx
, vb
);
1414 mutex_lock(&ctx
->bitstream_mutex
);
1415 v4l2_m2m_buf_queue(ctx
->fh
.m2m_ctx
, vbuf
);
1416 if (vb2_is_streaming(vb
->vb2_queue
))
1417 /* This set buf->sequence = ctx->qsequence++ */
1418 coda_fill_bitstream(ctx
, NULL
);
1419 mutex_unlock(&ctx
->bitstream_mutex
);
1421 if (ctx
->inst_type
== CODA_INST_ENCODER
&&
1422 vq
->type
== V4L2_BUF_TYPE_VIDEO_OUTPUT
)
1423 vbuf
->sequence
= ctx
->qsequence
++;
1424 v4l2_m2m_buf_queue(ctx
->fh
.m2m_ctx
, vbuf
);
1428 int coda_alloc_aux_buf(struct coda_dev
*dev
, struct coda_aux_buf
*buf
,
1429 size_t size
, const char *name
, struct dentry
*parent
)
1431 buf
->vaddr
= dma_alloc_coherent(&dev
->plat_dev
->dev
, size
, &buf
->paddr
,
1434 v4l2_err(&dev
->v4l2_dev
,
1435 "Failed to allocate %s buffer of size %zu\n",
1442 if (name
&& parent
) {
1443 buf
->blob
.data
= buf
->vaddr
;
1444 buf
->blob
.size
= size
;
1445 buf
->dentry
= debugfs_create_blob(name
, 0644, parent
,
1448 dev_warn(&dev
->plat_dev
->dev
,
1449 "failed to create debugfs entry %s\n", name
);
1455 void coda_free_aux_buf(struct coda_dev
*dev
,
1456 struct coda_aux_buf
*buf
)
1459 dma_free_coherent(&dev
->plat_dev
->dev
, buf
->size
,
1460 buf
->vaddr
, buf
->paddr
);
1463 debugfs_remove(buf
->dentry
);
1468 static int coda_start_streaming(struct vb2_queue
*q
, unsigned int count
)
1470 struct coda_ctx
*ctx
= vb2_get_drv_priv(q
);
1471 struct v4l2_device
*v4l2_dev
= &ctx
->dev
->v4l2_dev
;
1472 struct coda_q_data
*q_data_src
, *q_data_dst
;
1473 struct v4l2_m2m_buffer
*m2m_buf
, *tmp
;
1474 struct vb2_v4l2_buffer
*buf
;
1475 struct list_head list
;
1481 INIT_LIST_HEAD(&list
);
1483 q_data_src
= get_q_data(ctx
, V4L2_BUF_TYPE_VIDEO_OUTPUT
);
1484 if (q
->type
== V4L2_BUF_TYPE_VIDEO_OUTPUT
) {
1485 if (ctx
->inst_type
== CODA_INST_DECODER
&& ctx
->use_bit
) {
1486 /* copy the buffers that were queued before streamon */
1487 mutex_lock(&ctx
->bitstream_mutex
);
1488 coda_fill_bitstream(ctx
, &list
);
1489 mutex_unlock(&ctx
->bitstream_mutex
);
1491 if (coda_get_bitstream_payload(ctx
) < 512) {
1497 ctx
->streamon_out
= 1;
1499 ctx
->streamon_cap
= 1;
1502 /* Don't start the coda unless both queues are on */
1503 if (!(ctx
->streamon_out
&& ctx
->streamon_cap
))
1506 q_data_dst
= get_q_data(ctx
, V4L2_BUF_TYPE_VIDEO_CAPTURE
);
1507 if ((q_data_src
->width
!= q_data_dst
->width
&&
1508 round_up(q_data_src
->width
, 16) != q_data_dst
->width
) ||
1509 (q_data_src
->height
!= q_data_dst
->height
&&
1510 round_up(q_data_src
->height
, 16) != q_data_dst
->height
)) {
1511 v4l2_err(v4l2_dev
, "can't convert %dx%d to %dx%d\n",
1512 q_data_src
->width
, q_data_src
->height
,
1513 q_data_dst
->width
, q_data_dst
->height
);
1518 /* Allow BIT decoder device_run with no new buffers queued */
1519 if (ctx
->inst_type
== CODA_INST_DECODER
&& ctx
->use_bit
)
1520 v4l2_m2m_set_src_buffered(ctx
->fh
.m2m_ctx
, true);
1522 ctx
->gopcounter
= ctx
->params
.gop_size
- 1;
1524 ctx
->codec
= coda_find_codec(ctx
->dev
, q_data_src
->fourcc
,
1525 q_data_dst
->fourcc
);
1527 v4l2_err(v4l2_dev
, "couldn't tell instance type.\n");
1532 if (q_data_dst
->fourcc
== V4L2_PIX_FMT_JPEG
)
1533 ctx
->params
.gop_size
= 1;
1534 ctx
->gopcounter
= ctx
->params
.gop_size
- 1;
1536 ret
= ctx
->ops
->start_streaming(ctx
);
1537 if (ctx
->inst_type
== CODA_INST_DECODER
) {
1545 if (q
->type
== V4L2_BUF_TYPE_VIDEO_OUTPUT
) {
1546 list_for_each_entry_safe(m2m_buf
, tmp
, &list
, list
) {
1547 list_del(&m2m_buf
->list
);
1548 v4l2_m2m_buf_done(&m2m_buf
->vb
, VB2_BUF_STATE_DONE
);
1554 if (q
->type
== V4L2_BUF_TYPE_VIDEO_OUTPUT
) {
1555 list_for_each_entry_safe(m2m_buf
, tmp
, &list
, list
) {
1556 list_del(&m2m_buf
->list
);
1557 v4l2_m2m_buf_done(&m2m_buf
->vb
, VB2_BUF_STATE_QUEUED
);
1559 while ((buf
= v4l2_m2m_src_buf_remove(ctx
->fh
.m2m_ctx
)))
1560 v4l2_m2m_buf_done(buf
, VB2_BUF_STATE_QUEUED
);
1562 while ((buf
= v4l2_m2m_dst_buf_remove(ctx
->fh
.m2m_ctx
)))
1563 v4l2_m2m_buf_done(buf
, VB2_BUF_STATE_QUEUED
);
1568 static void coda_stop_streaming(struct vb2_queue
*q
)
1570 struct coda_ctx
*ctx
= vb2_get_drv_priv(q
);
1571 struct coda_dev
*dev
= ctx
->dev
;
1572 struct vb2_v4l2_buffer
*buf
;
1573 unsigned long flags
;
1576 stop
= ctx
->streamon_out
&& ctx
->streamon_cap
;
1578 if (q
->type
== V4L2_BUF_TYPE_VIDEO_OUTPUT
) {
1579 v4l2_dbg(1, coda_debug
, &dev
->v4l2_dev
,
1580 "%s: output\n", __func__
);
1581 ctx
->streamon_out
= 0;
1583 coda_bit_stream_end_flag(ctx
);
1587 while ((buf
= v4l2_m2m_src_buf_remove(ctx
->fh
.m2m_ctx
)))
1588 v4l2_m2m_buf_done(buf
, VB2_BUF_STATE_ERROR
);
1590 v4l2_dbg(1, coda_debug
, &dev
->v4l2_dev
,
1591 "%s: capture\n", __func__
);
1592 ctx
->streamon_cap
= 0;
1595 ctx
->sequence_offset
= 0;
1597 while ((buf
= v4l2_m2m_dst_buf_remove(ctx
->fh
.m2m_ctx
)))
1598 v4l2_m2m_buf_done(buf
, VB2_BUF_STATE_ERROR
);
1602 struct coda_buffer_meta
*meta
;
1604 if (ctx
->ops
->seq_end_work
) {
1605 queue_work(dev
->workqueue
, &ctx
->seq_end_work
);
1606 flush_work(&ctx
->seq_end_work
);
1608 spin_lock_irqsave(&ctx
->buffer_meta_lock
, flags
);
1609 while (!list_empty(&ctx
->buffer_meta_list
)) {
1610 meta
= list_first_entry(&ctx
->buffer_meta_list
,
1611 struct coda_buffer_meta
, list
);
1612 list_del(&meta
->list
);
1616 spin_unlock_irqrestore(&ctx
->buffer_meta_lock
, flags
);
1617 kfifo_init(&ctx
->bitstream_fifo
,
1618 ctx
->bitstream
.vaddr
, ctx
->bitstream
.size
);
1619 ctx
->runcounter
= 0;
1623 if (!ctx
->streamon_out
&& !ctx
->streamon_cap
)
1624 ctx
->bit_stream_param
&= ~CODA_BIT_STREAM_END_FLAG
;
1627 static const struct vb2_ops coda_qops
= {
1628 .queue_setup
= coda_queue_setup
,
1629 .buf_prepare
= coda_buf_prepare
,
1630 .buf_queue
= coda_buf_queue
,
1631 .start_streaming
= coda_start_streaming
,
1632 .stop_streaming
= coda_stop_streaming
,
1633 .wait_prepare
= vb2_ops_wait_prepare
,
1634 .wait_finish
= vb2_ops_wait_finish
,
1637 static int coda_s_ctrl(struct v4l2_ctrl
*ctrl
)
1639 struct coda_ctx
*ctx
=
1640 container_of(ctrl
->handler
, struct coda_ctx
, ctrls
);
1642 v4l2_dbg(1, coda_debug
, &ctx
->dev
->v4l2_dev
,
1643 "s_ctrl: id = %d, val = %d\n", ctrl
->id
, ctrl
->val
);
1646 case V4L2_CID_HFLIP
:
1648 ctx
->params
.rot_mode
|= CODA_MIR_HOR
;
1650 ctx
->params
.rot_mode
&= ~CODA_MIR_HOR
;
1652 case V4L2_CID_VFLIP
:
1654 ctx
->params
.rot_mode
|= CODA_MIR_VER
;
1656 ctx
->params
.rot_mode
&= ~CODA_MIR_VER
;
1658 case V4L2_CID_MPEG_VIDEO_BITRATE
:
1659 ctx
->params
.bitrate
= ctrl
->val
/ 1000;
1661 case V4L2_CID_MPEG_VIDEO_GOP_SIZE
:
1662 ctx
->params
.gop_size
= ctrl
->val
;
1664 case V4L2_CID_MPEG_VIDEO_H264_I_FRAME_QP
:
1665 ctx
->params
.h264_intra_qp
= ctrl
->val
;
1667 case V4L2_CID_MPEG_VIDEO_H264_P_FRAME_QP
:
1668 ctx
->params
.h264_inter_qp
= ctrl
->val
;
1670 case V4L2_CID_MPEG_VIDEO_H264_MIN_QP
:
1671 ctx
->params
.h264_min_qp
= ctrl
->val
;
1673 case V4L2_CID_MPEG_VIDEO_H264_MAX_QP
:
1674 ctx
->params
.h264_max_qp
= ctrl
->val
;
1676 case V4L2_CID_MPEG_VIDEO_H264_LOOP_FILTER_ALPHA
:
1677 ctx
->params
.h264_deblk_alpha
= ctrl
->val
;
1679 case V4L2_CID_MPEG_VIDEO_H264_LOOP_FILTER_BETA
:
1680 ctx
->params
.h264_deblk_beta
= ctrl
->val
;
1682 case V4L2_CID_MPEG_VIDEO_H264_LOOP_FILTER_MODE
:
1683 ctx
->params
.h264_deblk_enabled
= (ctrl
->val
==
1684 V4L2_MPEG_VIDEO_H264_LOOP_FILTER_MODE_ENABLED
);
1686 case V4L2_CID_MPEG_VIDEO_MPEG4_I_FRAME_QP
:
1687 ctx
->params
.mpeg4_intra_qp
= ctrl
->val
;
1689 case V4L2_CID_MPEG_VIDEO_MPEG4_P_FRAME_QP
:
1690 ctx
->params
.mpeg4_inter_qp
= ctrl
->val
;
1692 case V4L2_CID_MPEG_VIDEO_MULTI_SLICE_MODE
:
1693 ctx
->params
.slice_mode
= ctrl
->val
;
1695 case V4L2_CID_MPEG_VIDEO_MULTI_SLICE_MAX_MB
:
1696 ctx
->params
.slice_max_mb
= ctrl
->val
;
1698 case V4L2_CID_MPEG_VIDEO_MULTI_SLICE_MAX_BYTES
:
1699 ctx
->params
.slice_max_bits
= ctrl
->val
* 8;
1701 case V4L2_CID_MPEG_VIDEO_HEADER_MODE
:
1703 case V4L2_CID_MPEG_VIDEO_CYCLIC_INTRA_REFRESH_MB
:
1704 ctx
->params
.intra_refresh
= ctrl
->val
;
1706 case V4L2_CID_MPEG_VIDEO_FORCE_KEY_FRAME
:
1707 ctx
->params
.force_ipicture
= true;
1709 case V4L2_CID_JPEG_COMPRESSION_QUALITY
:
1710 coda_set_jpeg_compression_quality(ctx
, ctrl
->val
);
1712 case V4L2_CID_JPEG_RESTART_INTERVAL
:
1713 ctx
->params
.jpeg_restart_interval
= ctrl
->val
;
1715 case V4L2_CID_MPEG_VIDEO_VBV_DELAY
:
1716 ctx
->params
.vbv_delay
= ctrl
->val
;
1718 case V4L2_CID_MPEG_VIDEO_VBV_SIZE
:
1719 ctx
->params
.vbv_size
= min(ctrl
->val
* 8192, 0x7fffffff);
1722 v4l2_dbg(1, coda_debug
, &ctx
->dev
->v4l2_dev
,
1723 "Invalid control, id=%d, val=%d\n",
1724 ctrl
->id
, ctrl
->val
);
1731 static const struct v4l2_ctrl_ops coda_ctrl_ops
= {
1732 .s_ctrl
= coda_s_ctrl
,
1735 static void coda_encode_ctrls(struct coda_ctx
*ctx
)
1737 v4l2_ctrl_new_std(&ctx
->ctrls
, &coda_ctrl_ops
,
1738 V4L2_CID_MPEG_VIDEO_BITRATE
, 0, 32767000, 1000, 0);
1739 v4l2_ctrl_new_std(&ctx
->ctrls
, &coda_ctrl_ops
,
1740 V4L2_CID_MPEG_VIDEO_GOP_SIZE
, 1, 60, 1, 16);
1741 v4l2_ctrl_new_std(&ctx
->ctrls
, &coda_ctrl_ops
,
1742 V4L2_CID_MPEG_VIDEO_H264_I_FRAME_QP
, 0, 51, 1, 25);
1743 v4l2_ctrl_new_std(&ctx
->ctrls
, &coda_ctrl_ops
,
1744 V4L2_CID_MPEG_VIDEO_H264_P_FRAME_QP
, 0, 51, 1, 25);
1745 if (ctx
->dev
->devtype
->product
!= CODA_960
) {
1746 v4l2_ctrl_new_std(&ctx
->ctrls
, &coda_ctrl_ops
,
1747 V4L2_CID_MPEG_VIDEO_H264_MIN_QP
, 0, 51, 1, 12);
1749 v4l2_ctrl_new_std(&ctx
->ctrls
, &coda_ctrl_ops
,
1750 V4L2_CID_MPEG_VIDEO_H264_MAX_QP
, 0, 51, 1, 51);
1751 v4l2_ctrl_new_std(&ctx
->ctrls
, &coda_ctrl_ops
,
1752 V4L2_CID_MPEG_VIDEO_H264_LOOP_FILTER_ALPHA
, 0, 15, 1, 0);
1753 v4l2_ctrl_new_std(&ctx
->ctrls
, &coda_ctrl_ops
,
1754 V4L2_CID_MPEG_VIDEO_H264_LOOP_FILTER_BETA
, 0, 15, 1, 0);
1755 v4l2_ctrl_new_std_menu(&ctx
->ctrls
, &coda_ctrl_ops
,
1756 V4L2_CID_MPEG_VIDEO_H264_LOOP_FILTER_MODE
,
1757 V4L2_MPEG_VIDEO_H264_LOOP_FILTER_MODE_DISABLED
, 0x0,
1758 V4L2_MPEG_VIDEO_H264_LOOP_FILTER_MODE_ENABLED
);
1759 v4l2_ctrl_new_std(&ctx
->ctrls
, &coda_ctrl_ops
,
1760 V4L2_CID_MPEG_VIDEO_MPEG4_I_FRAME_QP
, 1, 31, 1, 2);
1761 v4l2_ctrl_new_std(&ctx
->ctrls
, &coda_ctrl_ops
,
1762 V4L2_CID_MPEG_VIDEO_MPEG4_P_FRAME_QP
, 1, 31, 1, 2);
1763 v4l2_ctrl_new_std_menu(&ctx
->ctrls
, &coda_ctrl_ops
,
1764 V4L2_CID_MPEG_VIDEO_MULTI_SLICE_MODE
,
1765 V4L2_MPEG_VIDEO_MULTI_SICE_MODE_MAX_BYTES
, 0x0,
1766 V4L2_MPEG_VIDEO_MULTI_SLICE_MODE_SINGLE
);
1767 v4l2_ctrl_new_std(&ctx
->ctrls
, &coda_ctrl_ops
,
1768 V4L2_CID_MPEG_VIDEO_MULTI_SLICE_MAX_MB
, 1, 0x3fffffff, 1, 1);
1769 v4l2_ctrl_new_std(&ctx
->ctrls
, &coda_ctrl_ops
,
1770 V4L2_CID_MPEG_VIDEO_MULTI_SLICE_MAX_BYTES
, 1, 0x3fffffff, 1,
1772 v4l2_ctrl_new_std_menu(&ctx
->ctrls
, &coda_ctrl_ops
,
1773 V4L2_CID_MPEG_VIDEO_HEADER_MODE
,
1774 V4L2_MPEG_VIDEO_HEADER_MODE_JOINED_WITH_1ST_FRAME
,
1775 (1 << V4L2_MPEG_VIDEO_HEADER_MODE_SEPARATE
),
1776 V4L2_MPEG_VIDEO_HEADER_MODE_JOINED_WITH_1ST_FRAME
);
1777 v4l2_ctrl_new_std(&ctx
->ctrls
, &coda_ctrl_ops
,
1778 V4L2_CID_MPEG_VIDEO_CYCLIC_INTRA_REFRESH_MB
, 0,
1779 1920 * 1088 / 256, 1, 0);
1780 v4l2_ctrl_new_std(&ctx
->ctrls
, &coda_ctrl_ops
,
1781 V4L2_CID_MPEG_VIDEO_VBV_DELAY
, 0, 0x7fff, 1, 0);
1783 * The maximum VBV size value is 0x7fffffff bits,
1784 * one bit less than 262144 KiB
1786 v4l2_ctrl_new_std(&ctx
->ctrls
, &coda_ctrl_ops
,
1787 V4L2_CID_MPEG_VIDEO_VBV_SIZE
, 0, 262144, 1, 0);
1790 static void coda_jpeg_encode_ctrls(struct coda_ctx
*ctx
)
1792 v4l2_ctrl_new_std(&ctx
->ctrls
, &coda_ctrl_ops
,
1793 V4L2_CID_JPEG_COMPRESSION_QUALITY
, 5, 100, 1, 50);
1794 v4l2_ctrl_new_std(&ctx
->ctrls
, &coda_ctrl_ops
,
1795 V4L2_CID_JPEG_RESTART_INTERVAL
, 0, 100, 1, 0);
1798 static int coda_ctrls_setup(struct coda_ctx
*ctx
)
1800 v4l2_ctrl_handler_init(&ctx
->ctrls
, 2);
1802 v4l2_ctrl_new_std(&ctx
->ctrls
, &coda_ctrl_ops
,
1803 V4L2_CID_HFLIP
, 0, 1, 1, 0);
1804 v4l2_ctrl_new_std(&ctx
->ctrls
, &coda_ctrl_ops
,
1805 V4L2_CID_VFLIP
, 0, 1, 1, 0);
1806 if (ctx
->inst_type
== CODA_INST_ENCODER
) {
1807 if (ctx
->cvd
->dst_formats
[0] == V4L2_PIX_FMT_JPEG
)
1808 coda_jpeg_encode_ctrls(ctx
);
1810 coda_encode_ctrls(ctx
);
1813 if (ctx
->ctrls
.error
) {
1814 v4l2_err(&ctx
->dev
->v4l2_dev
,
1815 "control initialization error (%d)",
1820 return v4l2_ctrl_handler_setup(&ctx
->ctrls
);
1823 static int coda_queue_init(struct coda_ctx
*ctx
, struct vb2_queue
*vq
)
1826 vq
->ops
= &coda_qops
;
1827 vq
->buf_struct_size
= sizeof(struct v4l2_m2m_buffer
);
1828 vq
->timestamp_flags
= V4L2_BUF_FLAG_TIMESTAMP_COPY
;
1829 vq
->lock
= &ctx
->dev
->dev_mutex
;
1830 /* One way to indicate end-of-stream for coda is to set the
1831 * bytesused == 0. However by default videobuf2 handles bytesused
1832 * equal to 0 as a special case and changes its value to the size
1833 * of the buffer. Set the allow_zero_bytesused flag, so
1834 * that videobuf2 will keep the value of bytesused intact.
1836 vq
->allow_zero_bytesused
= 1;
1837 vq
->dev
= &ctx
->dev
->plat_dev
->dev
;
1839 return vb2_queue_init(vq
);
1842 int coda_encoder_queue_init(void *priv
, struct vb2_queue
*src_vq
,
1843 struct vb2_queue
*dst_vq
)
1847 src_vq
->type
= V4L2_BUF_TYPE_VIDEO_OUTPUT
;
1848 src_vq
->io_modes
= VB2_DMABUF
| VB2_MMAP
;
1849 src_vq
->mem_ops
= &vb2_dma_contig_memops
;
1851 ret
= coda_queue_init(priv
, src_vq
);
1855 dst_vq
->type
= V4L2_BUF_TYPE_VIDEO_CAPTURE
;
1856 dst_vq
->io_modes
= VB2_DMABUF
| VB2_MMAP
;
1857 dst_vq
->mem_ops
= &vb2_dma_contig_memops
;
1859 return coda_queue_init(priv
, dst_vq
);
1862 int coda_decoder_queue_init(void *priv
, struct vb2_queue
*src_vq
,
1863 struct vb2_queue
*dst_vq
)
1867 src_vq
->type
= V4L2_BUF_TYPE_VIDEO_OUTPUT
;
1868 src_vq
->io_modes
= VB2_DMABUF
| VB2_MMAP
| VB2_USERPTR
;
1869 src_vq
->mem_ops
= &vb2_vmalloc_memops
;
1871 ret
= coda_queue_init(priv
, src_vq
);
1875 dst_vq
->type
= V4L2_BUF_TYPE_VIDEO_CAPTURE
;
1876 dst_vq
->io_modes
= VB2_DMABUF
| VB2_MMAP
;
1877 dst_vq
->mem_ops
= &vb2_dma_contig_memops
;
1879 return coda_queue_init(priv
, dst_vq
);
1882 static int coda_next_free_instance(struct coda_dev
*dev
)
1884 int idx
= ffz(dev
->instance_mask
);
1887 (dev
->devtype
->product
== CODA_DX6
&& idx
> CODADX6_MAX_INSTANCES
))
1897 static int coda_open(struct file
*file
)
1899 struct video_device
*vdev
= video_devdata(file
);
1900 struct coda_dev
*dev
= video_get_drvdata(vdev
);
1901 struct coda_ctx
*ctx
= NULL
;
1906 ctx
= kzalloc(sizeof(*ctx
), GFP_KERNEL
);
1910 idx
= coda_next_free_instance(dev
);
1915 set_bit(idx
, &dev
->instance_mask
);
1917 name
= kasprintf(GFP_KERNEL
, "context%d", idx
);
1920 goto err_coda_name_init
;
1923 ctx
->debugfs_entry
= debugfs_create_dir(name
, dev
->debugfs_root
);
1926 ctx
->cvd
= to_coda_video_device(vdev
);
1927 ctx
->inst_type
= ctx
->cvd
->type
;
1928 ctx
->ops
= ctx
->cvd
->ops
;
1929 ctx
->use_bit
= !ctx
->cvd
->direct
;
1930 init_completion(&ctx
->completion
);
1931 INIT_WORK(&ctx
->pic_run_work
, coda_pic_run_work
);
1932 if (ctx
->ops
->seq_end_work
)
1933 INIT_WORK(&ctx
->seq_end_work
, ctx
->ops
->seq_end_work
);
1934 v4l2_fh_init(&ctx
->fh
, video_devdata(file
));
1935 file
->private_data
= &ctx
->fh
;
1936 v4l2_fh_add(&ctx
->fh
);
1939 switch (dev
->devtype
->product
) {
1942 ctx
->frame_mem_ctrl
= CODA9_FRAME_ENABLE_BWB
;
1950 if (ctx
->dev
->vdoa
&& !disable_vdoa
) {
1951 ctx
->vdoa
= vdoa_context_create(dev
->vdoa
);
1953 v4l2_warn(&dev
->v4l2_dev
,
1954 "Failed to create vdoa context: not using vdoa");
1956 ctx
->use_vdoa
= false;
1958 /* Power up and upload firmware if necessary */
1959 ret
= pm_runtime_get_sync(&dev
->plat_dev
->dev
);
1961 v4l2_err(&dev
->v4l2_dev
, "failed to power up: %d\n", ret
);
1965 ret
= clk_prepare_enable(dev
->clk_per
);
1969 ret
= clk_prepare_enable(dev
->clk_ahb
);
1973 set_default_params(ctx
);
1974 ctx
->fh
.m2m_ctx
= v4l2_m2m_ctx_init(dev
->m2m_dev
, ctx
,
1975 ctx
->ops
->queue_init
);
1976 if (IS_ERR(ctx
->fh
.m2m_ctx
)) {
1977 ret
= PTR_ERR(ctx
->fh
.m2m_ctx
);
1979 v4l2_err(&dev
->v4l2_dev
, "%s return error (%d)\n",
1984 ret
= coda_ctrls_setup(ctx
);
1986 v4l2_err(&dev
->v4l2_dev
, "failed to setup coda controls\n");
1987 goto err_ctrls_setup
;
1990 ctx
->fh
.ctrl_handler
= &ctx
->ctrls
;
1992 mutex_init(&ctx
->bitstream_mutex
);
1993 mutex_init(&ctx
->buffer_mutex
);
1994 INIT_LIST_HEAD(&ctx
->buffer_meta_list
);
1995 spin_lock_init(&ctx
->buffer_meta_lock
);
1998 list_add(&ctx
->list
, &dev
->instances
);
2001 v4l2_dbg(1, coda_debug
, &dev
->v4l2_dev
, "Created instance %d (%p)\n",
2007 v4l2_m2m_ctx_release(ctx
->fh
.m2m_ctx
);
2009 clk_disable_unprepare(dev
->clk_ahb
);
2011 clk_disable_unprepare(dev
->clk_per
);
2013 pm_runtime_put_sync(&dev
->plat_dev
->dev
);
2015 v4l2_fh_del(&ctx
->fh
);
2016 v4l2_fh_exit(&ctx
->fh
);
2017 clear_bit(ctx
->idx
, &dev
->instance_mask
);
2024 static int coda_release(struct file
*file
)
2026 struct coda_dev
*dev
= video_drvdata(file
);
2027 struct coda_ctx
*ctx
= fh_to_ctx(file
->private_data
);
2029 v4l2_dbg(1, coda_debug
, &dev
->v4l2_dev
, "Releasing instance %p\n",
2032 if (ctx
->inst_type
== CODA_INST_DECODER
&& ctx
->use_bit
)
2033 coda_bit_stream_end_flag(ctx
);
2035 /* If this instance is running, call .job_abort and wait for it to end */
2036 v4l2_m2m_ctx_release(ctx
->fh
.m2m_ctx
);
2039 vdoa_context_destroy(ctx
->vdoa
);
2041 /* In case the instance was not running, we still need to call SEQ_END */
2042 if (ctx
->ops
->seq_end_work
) {
2043 queue_work(dev
->workqueue
, &ctx
->seq_end_work
);
2044 flush_work(&ctx
->seq_end_work
);
2048 list_del(&ctx
->list
);
2051 if (ctx
->dev
->devtype
->product
== CODA_DX6
)
2052 coda_free_aux_buf(dev
, &ctx
->workbuf
);
2054 v4l2_ctrl_handler_free(&ctx
->ctrls
);
2055 clk_disable_unprepare(dev
->clk_ahb
);
2056 clk_disable_unprepare(dev
->clk_per
);
2057 pm_runtime_put_sync(&dev
->plat_dev
->dev
);
2058 v4l2_fh_del(&ctx
->fh
);
2059 v4l2_fh_exit(&ctx
->fh
);
2060 clear_bit(ctx
->idx
, &dev
->instance_mask
);
2061 if (ctx
->ops
->release
)
2062 ctx
->ops
->release(ctx
);
2063 debugfs_remove_recursive(ctx
->debugfs_entry
);
2069 static const struct v4l2_file_operations coda_fops
= {
2070 .owner
= THIS_MODULE
,
2072 .release
= coda_release
,
2073 .poll
= v4l2_m2m_fop_poll
,
2074 .unlocked_ioctl
= video_ioctl2
,
2075 .mmap
= v4l2_m2m_fop_mmap
,
2078 static int coda_hw_init(struct coda_dev
*dev
)
2084 ret
= clk_prepare_enable(dev
->clk_per
);
2088 ret
= clk_prepare_enable(dev
->clk_ahb
);
2092 reset_control_reset(dev
->rstc
);
2095 * Copy the first CODA_ISRAM_SIZE in the internal SRAM.
2096 * The 16-bit chars in the code buffer are in memory access
2097 * order, re-sort them to CODA order for register download.
2098 * Data in this SRAM survives a reboot.
2100 p
= (u16
*)dev
->codebuf
.vaddr
;
2101 if (dev
->devtype
->product
== CODA_DX6
) {
2102 for (i
= 0; i
< (CODA_ISRAM_SIZE
/ 2); i
++) {
2103 data
= CODA_DOWN_ADDRESS_SET(i
) |
2104 CODA_DOWN_DATA_SET(p
[i
^ 1]);
2105 coda_write(dev
, data
, CODA_REG_BIT_CODE_DOWN
);
2108 for (i
= 0; i
< (CODA_ISRAM_SIZE
/ 2); i
++) {
2109 data
= CODA_DOWN_ADDRESS_SET(i
) |
2110 CODA_DOWN_DATA_SET(p
[round_down(i
, 4) +
2112 coda_write(dev
, data
, CODA_REG_BIT_CODE_DOWN
);
2116 /* Clear registers */
2117 for (i
= 0; i
< 64; i
++)
2118 coda_write(dev
, 0, CODA_REG_BIT_CODE_BUF_ADDR
+ i
* 4);
2120 /* Tell the BIT where to find everything it needs */
2121 if (dev
->devtype
->product
== CODA_960
||
2122 dev
->devtype
->product
== CODA_7541
) {
2123 coda_write(dev
, dev
->tempbuf
.paddr
,
2124 CODA_REG_BIT_TEMP_BUF_ADDR
);
2125 coda_write(dev
, 0, CODA_REG_BIT_BIT_STREAM_PARAM
);
2127 coda_write(dev
, dev
->workbuf
.paddr
,
2128 CODA_REG_BIT_WORK_BUF_ADDR
);
2130 coda_write(dev
, dev
->codebuf
.paddr
,
2131 CODA_REG_BIT_CODE_BUF_ADDR
);
2132 coda_write(dev
, 0, CODA_REG_BIT_CODE_RUN
);
2134 /* Set default values */
2135 switch (dev
->devtype
->product
) {
2137 coda_write(dev
, CODADX6_STREAM_BUF_PIC_FLUSH
,
2138 CODA_REG_BIT_STREAM_CTRL
);
2141 coda_write(dev
, CODA7_STREAM_BUF_PIC_FLUSH
,
2142 CODA_REG_BIT_STREAM_CTRL
);
2144 if (dev
->devtype
->product
== CODA_960
)
2145 coda_write(dev
, 1 << 12, CODA_REG_BIT_FRAME_MEM_CTRL
);
2147 coda_write(dev
, 0, CODA_REG_BIT_FRAME_MEM_CTRL
);
2149 if (dev
->devtype
->product
!= CODA_DX6
)
2150 coda_write(dev
, 0, CODA7_REG_BIT_AXI_SRAM_USE
);
2152 coda_write(dev
, CODA_INT_INTERRUPT_ENABLE
,
2153 CODA_REG_BIT_INT_ENABLE
);
2155 /* Reset VPU and start processor */
2156 data
= coda_read(dev
, CODA_REG_BIT_CODE_RESET
);
2157 data
|= CODA_REG_RESET_ENABLE
;
2158 coda_write(dev
, data
, CODA_REG_BIT_CODE_RESET
);
2160 data
&= ~CODA_REG_RESET_ENABLE
;
2161 coda_write(dev
, data
, CODA_REG_BIT_CODE_RESET
);
2162 coda_write(dev
, CODA_REG_RUN_ENABLE
, CODA_REG_BIT_CODE_RUN
);
2164 clk_disable_unprepare(dev
->clk_ahb
);
2165 clk_disable_unprepare(dev
->clk_per
);
2170 clk_disable_unprepare(dev
->clk_per
);
2175 static int coda_register_device(struct coda_dev
*dev
, int i
)
2177 struct video_device
*vfd
= &dev
->vfd
[i
];
2179 if (i
>= dev
->devtype
->num_vdevs
)
2182 strlcpy(vfd
->name
, dev
->devtype
->vdevs
[i
]->name
, sizeof(vfd
->name
));
2183 vfd
->fops
= &coda_fops
;
2184 vfd
->ioctl_ops
= &coda_ioctl_ops
;
2185 vfd
->release
= video_device_release_empty
,
2186 vfd
->lock
= &dev
->dev_mutex
;
2187 vfd
->v4l2_dev
= &dev
->v4l2_dev
;
2188 vfd
->vfl_dir
= VFL_DIR_M2M
;
2189 video_set_drvdata(vfd
, dev
);
2191 /* Not applicable, use the selection API instead */
2192 v4l2_disable_ioctl(vfd
, VIDIOC_CROPCAP
);
2193 v4l2_disable_ioctl(vfd
, VIDIOC_G_CROP
);
2194 v4l2_disable_ioctl(vfd
, VIDIOC_S_CROP
);
2196 return video_register_device(vfd
, VFL_TYPE_GRABBER
, 0);
2199 static void coda_copy_firmware(struct coda_dev
*dev
, const u8
* const buf
,
2202 u32
*src
= (u32
*)buf
;
2204 /* Check if the firmware has a 16-byte Freescale header, skip it */
2205 if (buf
[0] == 'M' && buf
[1] == 'X')
2208 * Check whether the firmware is in native order or pre-reordered for
2209 * memory access. The first instruction opcode always is 0xe40e.
2211 if (__le16_to_cpup((__le16
*)src
) == 0xe40e) {
2212 u32
*dst
= dev
->codebuf
.vaddr
;
2215 /* Firmware in native order, reorder while copying */
2216 if (dev
->devtype
->product
== CODA_DX6
) {
2217 for (i
= 0; i
< (size
- 16) / 4; i
++)
2218 dst
[i
] = (src
[i
] << 16) | (src
[i
] >> 16);
2220 for (i
= 0; i
< (size
- 16) / 4; i
+= 2) {
2221 dst
[i
] = (src
[i
+ 1] << 16) | (src
[i
+ 1] >> 16);
2222 dst
[i
+ 1] = (src
[i
] << 16) | (src
[i
] >> 16);
2226 /* Copy the already reordered firmware image */
2227 memcpy(dev
->codebuf
.vaddr
, src
, size
);
2231 static void coda_fw_callback(const struct firmware
*fw
, void *context
);
2233 static int coda_firmware_request(struct coda_dev
*dev
)
2237 if (dev
->firmware
>= ARRAY_SIZE(dev
->devtype
->firmware
))
2240 fw
= dev
->devtype
->firmware
[dev
->firmware
];
2242 dev_dbg(&dev
->plat_dev
->dev
, "requesting firmware '%s' for %s\n", fw
,
2243 coda_product_name(dev
->devtype
->product
));
2245 return request_firmware_nowait(THIS_MODULE
, true, fw
,
2246 &dev
->plat_dev
->dev
, GFP_KERNEL
, dev
,
2250 static void coda_fw_callback(const struct firmware
*fw
, void *context
)
2252 struct coda_dev
*dev
= context
;
2253 struct platform_device
*pdev
= dev
->plat_dev
;
2258 ret
= coda_firmware_request(dev
);
2260 v4l2_err(&dev
->v4l2_dev
, "firmware request failed\n");
2265 if (dev
->firmware
> 0) {
2267 * Since we can't suppress warnings for failed asynchronous
2268 * firmware requests, report that the fallback firmware was
2271 dev_info(&pdev
->dev
, "Using fallback firmware %s\n",
2272 dev
->devtype
->firmware
[dev
->firmware
]);
2275 /* allocate auxiliary per-device code buffer for the BIT processor */
2276 ret
= coda_alloc_aux_buf(dev
, &dev
->codebuf
, fw
->size
, "codebuf",
2281 coda_copy_firmware(dev
, fw
->data
, fw
->size
);
2282 release_firmware(fw
);
2284 ret
= coda_hw_init(dev
);
2286 v4l2_err(&dev
->v4l2_dev
, "HW initialization failed\n");
2290 ret
= coda_check_firmware(dev
);
2294 dev
->m2m_dev
= v4l2_m2m_init(&coda_m2m_ops
);
2295 if (IS_ERR(dev
->m2m_dev
)) {
2296 v4l2_err(&dev
->v4l2_dev
, "Failed to init mem2mem device\n");
2300 for (i
= 0; i
< dev
->devtype
->num_vdevs
; i
++) {
2301 ret
= coda_register_device(dev
, i
);
2303 v4l2_err(&dev
->v4l2_dev
,
2304 "Failed to register %s video device: %d\n",
2305 dev
->devtype
->vdevs
[i
]->name
, ret
);
2310 v4l2_info(&dev
->v4l2_dev
, "codec registered as /dev/video[%d-%d]\n",
2311 dev
->vfd
[0].num
, dev
->vfd
[i
- 1].num
);
2313 pm_runtime_put_sync(&pdev
->dev
);
2318 video_unregister_device(&dev
->vfd
[i
]);
2319 v4l2_m2m_release(dev
->m2m_dev
);
2321 pm_runtime_put_sync(&pdev
->dev
);
2324 enum coda_platform
{
2331 static const struct coda_devtype coda_devdata
[] = {
2334 "vpu_fw_imx27_TO2.bin",
2335 "vpu/vpu_fw_imx27_TO2.bin",
2336 "v4l-codadx6-imx27.bin"
2338 .product
= CODA_DX6
,
2339 .codecs
= codadx6_codecs
,
2340 .num_codecs
= ARRAY_SIZE(codadx6_codecs
),
2341 .vdevs
= codadx6_video_devices
,
2342 .num_vdevs
= ARRAY_SIZE(codadx6_video_devices
),
2343 .workbuf_size
= 288 * 1024 + FMO_SLICE_SAVE_BUF_SIZE
* 8 * 1024,
2344 .iram_size
= 0xb000,
2349 "vpu/vpu_fw_imx53.bin",
2350 "v4l-coda7541-imx53.bin"
2352 .product
= CODA_7541
,
2353 .codecs
= coda7_codecs
,
2354 .num_codecs
= ARRAY_SIZE(coda7_codecs
),
2355 .vdevs
= coda7_video_devices
,
2356 .num_vdevs
= ARRAY_SIZE(coda7_video_devices
),
2357 .workbuf_size
= 128 * 1024,
2358 .tempbuf_size
= 304 * 1024,
2359 .iram_size
= 0x14000,
2364 "vpu/vpu_fw_imx6q.bin",
2365 "v4l-coda960-imx6q.bin"
2367 .product
= CODA_960
,
2368 .codecs
= coda9_codecs
,
2369 .num_codecs
= ARRAY_SIZE(coda9_codecs
),
2370 .vdevs
= coda9_video_devices
,
2371 .num_vdevs
= ARRAY_SIZE(coda9_video_devices
),
2372 .workbuf_size
= 80 * 1024,
2373 .tempbuf_size
= 204 * 1024,
2374 .iram_size
= 0x21000,
2379 "vpu/vpu_fw_imx6d.bin",
2380 "v4l-coda960-imx6dl.bin"
2382 .product
= CODA_960
,
2383 .codecs
= coda9_codecs
,
2384 .num_codecs
= ARRAY_SIZE(coda9_codecs
),
2385 .vdevs
= coda9_video_devices
,
2386 .num_vdevs
= ARRAY_SIZE(coda9_video_devices
),
2387 .workbuf_size
= 80 * 1024,
2388 .tempbuf_size
= 204 * 1024,
2389 .iram_size
= 0x20000,
2393 static struct platform_device_id coda_platform_ids
[] = {
2394 { .name
= "coda-imx27", .driver_data
= CODA_IMX27
},
2397 MODULE_DEVICE_TABLE(platform
, coda_platform_ids
);
2400 static const struct of_device_id coda_dt_ids
[] = {
2401 { .compatible
= "fsl,imx27-vpu", .data
= &coda_devdata
[CODA_IMX27
] },
2402 { .compatible
= "fsl,imx53-vpu", .data
= &coda_devdata
[CODA_IMX53
] },
2403 { .compatible
= "fsl,imx6q-vpu", .data
= &coda_devdata
[CODA_IMX6Q
] },
2404 { .compatible
= "fsl,imx6dl-vpu", .data
= &coda_devdata
[CODA_IMX6DL
] },
2407 MODULE_DEVICE_TABLE(of
, coda_dt_ids
);
2410 static int coda_probe(struct platform_device
*pdev
)
2412 const struct of_device_id
*of_id
=
2413 of_match_device(of_match_ptr(coda_dt_ids
), &pdev
->dev
);
2414 const struct platform_device_id
*pdev_id
;
2415 struct coda_platform_data
*pdata
= pdev
->dev
.platform_data
;
2416 struct device_node
*np
= pdev
->dev
.of_node
;
2417 struct gen_pool
*pool
;
2418 struct coda_dev
*dev
;
2419 struct resource
*res
;
2422 dev
= devm_kzalloc(&pdev
->dev
, sizeof(*dev
), GFP_KERNEL
);
2426 pdev_id
= of_id
? of_id
->data
: platform_get_device_id(pdev
);
2429 dev
->devtype
= of_id
->data
;
2431 dev
->devtype
= &coda_devdata
[pdev_id
->driver_data
];
2435 spin_lock_init(&dev
->irqlock
);
2436 INIT_LIST_HEAD(&dev
->instances
);
2438 dev
->plat_dev
= pdev
;
2439 dev
->clk_per
= devm_clk_get(&pdev
->dev
, "per");
2440 if (IS_ERR(dev
->clk_per
)) {
2441 dev_err(&pdev
->dev
, "Could not get per clock\n");
2442 return PTR_ERR(dev
->clk_per
);
2445 dev
->clk_ahb
= devm_clk_get(&pdev
->dev
, "ahb");
2446 if (IS_ERR(dev
->clk_ahb
)) {
2447 dev_err(&pdev
->dev
, "Could not get ahb clock\n");
2448 return PTR_ERR(dev
->clk_ahb
);
2451 /* Get memory for physical registers */
2452 res
= platform_get_resource(pdev
, IORESOURCE_MEM
, 0);
2453 dev
->regs_base
= devm_ioremap_resource(&pdev
->dev
, res
);
2454 if (IS_ERR(dev
->regs_base
))
2455 return PTR_ERR(dev
->regs_base
);
2458 irq
= platform_get_irq_byname(pdev
, "bit");
2460 irq
= platform_get_irq(pdev
, 0);
2462 dev_err(&pdev
->dev
, "failed to get irq resource\n");
2466 ret
= devm_request_threaded_irq(&pdev
->dev
, irq
, NULL
, coda_irq_handler
,
2467 IRQF_ONESHOT
, dev_name(&pdev
->dev
), dev
);
2469 dev_err(&pdev
->dev
, "failed to request irq: %d\n", ret
);
2473 dev
->rstc
= devm_reset_control_get_optional(&pdev
->dev
, NULL
);
2474 if (IS_ERR(dev
->rstc
)) {
2475 ret
= PTR_ERR(dev
->rstc
);
2476 dev_err(&pdev
->dev
, "failed get reset control: %d\n", ret
);
2480 /* Get IRAM pool from device tree or platform data */
2481 pool
= of_gen_pool_get(np
, "iram", 0);
2483 pool
= gen_pool_get(pdata
->iram_dev
, NULL
);
2485 dev_err(&pdev
->dev
, "iram pool not available\n");
2488 dev
->iram_pool
= pool
;
2490 /* Get vdoa_data if supported by the platform */
2491 dev
->vdoa
= coda_get_vdoa_data();
2492 if (PTR_ERR(dev
->vdoa
) == -EPROBE_DEFER
)
2493 return -EPROBE_DEFER
;
2495 ret
= v4l2_device_register(&pdev
->dev
, &dev
->v4l2_dev
);
2499 mutex_init(&dev
->dev_mutex
);
2500 mutex_init(&dev
->coda_mutex
);
2502 dev
->debugfs_root
= debugfs_create_dir("coda", NULL
);
2503 if (!dev
->debugfs_root
)
2504 dev_warn(&pdev
->dev
, "failed to create debugfs root\n");
2506 /* allocate auxiliary per-device buffers for the BIT processor */
2507 if (dev
->devtype
->product
== CODA_DX6
) {
2508 ret
= coda_alloc_aux_buf(dev
, &dev
->workbuf
,
2509 dev
->devtype
->workbuf_size
, "workbuf",
2512 goto err_v4l2_register
;
2515 if (dev
->devtype
->tempbuf_size
) {
2516 ret
= coda_alloc_aux_buf(dev
, &dev
->tempbuf
,
2517 dev
->devtype
->tempbuf_size
, "tempbuf",
2520 goto err_v4l2_register
;
2523 dev
->iram
.size
= dev
->devtype
->iram_size
;
2524 dev
->iram
.vaddr
= gen_pool_dma_alloc(dev
->iram_pool
, dev
->iram
.size
,
2526 if (!dev
->iram
.vaddr
) {
2527 dev_warn(&pdev
->dev
, "unable to alloc iram\n");
2529 memset(dev
->iram
.vaddr
, 0, dev
->iram
.size
);
2530 dev
->iram
.blob
.data
= dev
->iram
.vaddr
;
2531 dev
->iram
.blob
.size
= dev
->iram
.size
;
2532 dev
->iram
.dentry
= debugfs_create_blob("iram", 0644,
2537 dev
->workqueue
= alloc_workqueue("coda", WQ_UNBOUND
| WQ_MEM_RECLAIM
, 1);
2538 if (!dev
->workqueue
) {
2539 dev_err(&pdev
->dev
, "unable to alloc workqueue\n");
2541 goto err_v4l2_register
;
2544 platform_set_drvdata(pdev
, dev
);
2547 * Start activated so we can directly call coda_hw_init in
2548 * coda_fw_callback regardless of whether CONFIG_PM is
2549 * enabled or whether the device is associated with a PM domain.
2551 pm_runtime_get_noresume(&pdev
->dev
);
2552 pm_runtime_set_active(&pdev
->dev
);
2553 pm_runtime_enable(&pdev
->dev
);
2555 ret
= coda_firmware_request(dev
);
2557 goto err_alloc_workqueue
;
2560 err_alloc_workqueue
:
2561 destroy_workqueue(dev
->workqueue
);
2563 v4l2_device_unregister(&dev
->v4l2_dev
);
2567 static int coda_remove(struct platform_device
*pdev
)
2569 struct coda_dev
*dev
= platform_get_drvdata(pdev
);
2572 for (i
= 0; i
< ARRAY_SIZE(dev
->vfd
); i
++) {
2573 if (video_get_drvdata(&dev
->vfd
[i
]))
2574 video_unregister_device(&dev
->vfd
[i
]);
2577 v4l2_m2m_release(dev
->m2m_dev
);
2578 pm_runtime_disable(&pdev
->dev
);
2579 v4l2_device_unregister(&dev
->v4l2_dev
);
2580 destroy_workqueue(dev
->workqueue
);
2581 if (dev
->iram
.vaddr
)
2582 gen_pool_free(dev
->iram_pool
, (unsigned long)dev
->iram
.vaddr
,
2584 coda_free_aux_buf(dev
, &dev
->codebuf
);
2585 coda_free_aux_buf(dev
, &dev
->tempbuf
);
2586 coda_free_aux_buf(dev
, &dev
->workbuf
);
2587 debugfs_remove_recursive(dev
->debugfs_root
);
2592 static int coda_runtime_resume(struct device
*dev
)
2594 struct coda_dev
*cdev
= dev_get_drvdata(dev
);
2597 if (dev
->pm_domain
&& cdev
->codebuf
.vaddr
) {
2598 ret
= coda_hw_init(cdev
);
2600 v4l2_err(&cdev
->v4l2_dev
, "HW initialization failed\n");
2607 static const struct dev_pm_ops coda_pm_ops
= {
2608 SET_RUNTIME_PM_OPS(NULL
, coda_runtime_resume
, NULL
)
2611 static struct platform_driver coda_driver
= {
2612 .probe
= coda_probe
,
2613 .remove
= coda_remove
,
2616 .of_match_table
= of_match_ptr(coda_dt_ids
),
2619 .id_table
= coda_platform_ids
,
2622 module_platform_driver(coda_driver
);
2624 MODULE_LICENSE("GPL");
2625 MODULE_AUTHOR("Javier Martin <javier.martin@vista-silicon.com>");
2626 MODULE_DESCRIPTION("Coda multi-standard codec V4L2 driver");