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/delay.h>
16 #include <linux/firmware.h>
17 #include <linux/interrupt.h>
19 #include <linux/irq.h>
20 #include <linux/module.h>
21 #include <linux/of_device.h>
22 #include <linux/platform_device.h>
23 #include <linux/slab.h>
24 #include <linux/videodev2.h>
26 #include <linux/platform_data/imx-iram.h>
28 #include <media/v4l2-ctrls.h>
29 #include <media/v4l2-device.h>
30 #include <media/v4l2-ioctl.h>
31 #include <media/v4l2-mem2mem.h>
32 #include <media/videobuf2-core.h>
33 #include <media/videobuf2-dma-contig.h>
37 #define CODA_NAME "coda"
39 #define CODA_MAX_INSTANCES 4
41 #define CODA_FMO_BUF_SIZE 32
42 #define CODADX6_WORK_BUF_SIZE (288 * 1024 + CODA_FMO_BUF_SIZE * 8 * 1024)
43 #define CODA7_WORK_BUF_SIZE (512 * 1024 + CODA_FMO_BUF_SIZE * 8 * 1024)
44 #define CODA_PARA_BUF_SIZE (10 * 1024)
45 #define CODA_ISRAM_SIZE (2048 * 2)
46 #define CODA7_IRAM_SIZE 0x14000 /* 81920 bytes */
48 #define CODA_MAX_FRAMEBUFFERS 2
52 #define CODA_MAX_FRAME_SIZE 0x90000
53 #define FMO_SLICE_SAVE_BUF_SIZE (32)
54 #define CODA_DEFAULT_GAMMA 4096
61 #define S_ALIGN 1 /* multiple of 2 */
62 #define W_ALIGN 1 /* multiple of 2 */
63 #define H_ALIGN 1 /* multiple of 2 */
65 #define fh_to_ctx(__fh) container_of(__fh, struct coda_ctx, fh)
67 static int coda_debug
;
68 module_param(coda_debug
, int, 0);
69 MODULE_PARM_DESC(coda_debug
, "Debug level (0-1)");
94 enum coda_fmt_type type
;
99 enum coda_product product
;
100 struct coda_fmt
*formats
;
101 unsigned int num_formats
;
105 /* Per-queue, driver-specific private data */
109 unsigned int sizeimage
;
110 struct coda_fmt
*fmt
;
113 struct coda_aux_buf
{
120 struct v4l2_device v4l2_dev
;
121 struct video_device vfd
;
122 struct platform_device
*plat_dev
;
123 const struct coda_devtype
*devtype
;
125 void __iomem
*regs_base
;
129 struct coda_aux_buf codebuf
;
130 struct coda_aux_buf workbuf
;
131 long unsigned int iram_paddr
;
134 struct mutex dev_mutex
;
135 struct v4l2_m2m_dev
*m2m_dev
;
136 struct vb2_alloc_ctx
*alloc_ctx
;
137 struct list_head instances
;
138 unsigned long instance_mask
;
139 struct delayed_work timeout
;
140 struct completion done
;
151 enum v4l2_mpeg_video_multi_slice_mode slice_mode
;
159 struct coda_dev
*dev
;
160 struct list_head list
;
165 struct coda_q_data q_data
[2];
166 enum coda_inst_type inst_type
;
167 enum v4l2_colorspace colorspace
;
168 struct coda_params params
;
169 struct v4l2_m2m_ctx
*m2m_ctx
;
170 struct v4l2_ctrl_handler ctrls
;
173 char vpu_header
[3][64];
174 int vpu_header_size
[3];
175 struct coda_aux_buf parabuf
;
176 struct coda_aux_buf internal_frames
[CODA_MAX_FRAMEBUFFERS
];
177 int num_internal_frames
;
181 static inline void coda_write(struct coda_dev
*dev
, u32 data
, u32 reg
)
183 v4l2_dbg(1, coda_debug
, &dev
->v4l2_dev
,
184 "%s: data=0x%x, reg=0x%x\n", __func__
, data
, reg
);
185 writel(data
, dev
->regs_base
+ reg
);
188 static inline unsigned int coda_read(struct coda_dev
*dev
, u32 reg
)
191 data
= readl(dev
->regs_base
+ reg
);
192 v4l2_dbg(1, coda_debug
, &dev
->v4l2_dev
,
193 "%s: data=0x%x, reg=0x%x\n", __func__
, data
, reg
);
197 static inline unsigned long coda_isbusy(struct coda_dev
*dev
)
199 return coda_read(dev
, CODA_REG_BIT_BUSY
);
202 static inline int coda_is_initialized(struct coda_dev
*dev
)
204 return (coda_read(dev
, CODA_REG_BIT_CUR_PC
) != 0);
207 static int coda_wait_timeout(struct coda_dev
*dev
)
209 unsigned long timeout
= jiffies
+ msecs_to_jiffies(1000);
211 while (coda_isbusy(dev
)) {
212 if (time_after(jiffies
, timeout
))
218 static void coda_command_async(struct coda_ctx
*ctx
, int cmd
)
220 struct coda_dev
*dev
= ctx
->dev
;
221 coda_write(dev
, CODA_REG_BIT_BUSY_FLAG
, CODA_REG_BIT_BUSY
);
223 coda_write(dev
, ctx
->idx
, CODA_REG_BIT_RUN_INDEX
);
224 coda_write(dev
, ctx
->params
.codec_mode
, CODA_REG_BIT_RUN_COD_STD
);
225 coda_write(dev
, cmd
, CODA_REG_BIT_RUN_COMMAND
);
228 static int coda_command_sync(struct coda_ctx
*ctx
, int cmd
)
230 struct coda_dev
*dev
= ctx
->dev
;
232 coda_command_async(ctx
, cmd
);
233 return coda_wait_timeout(dev
);
236 static struct coda_q_data
*get_q_data(struct coda_ctx
*ctx
,
237 enum v4l2_buf_type type
)
240 case V4L2_BUF_TYPE_VIDEO_OUTPUT
:
241 return &(ctx
->q_data
[V4L2_M2M_SRC
]);
242 case V4L2_BUF_TYPE_VIDEO_CAPTURE
:
243 return &(ctx
->q_data
[V4L2_M2M_DST
]);
251 * Add one array of supported formats for each version of Coda:
256 static struct coda_fmt codadx6_formats
[] = {
258 .name
= "YUV 4:2:0 Planar",
259 .fourcc
= V4L2_PIX_FMT_YUV420
,
260 .type
= CODA_FMT_RAW
,
263 .name
= "H264 Encoded Stream",
264 .fourcc
= V4L2_PIX_FMT_H264
,
265 .type
= CODA_FMT_ENC
,
268 .name
= "MPEG4 Encoded Stream",
269 .fourcc
= V4L2_PIX_FMT_MPEG4
,
270 .type
= CODA_FMT_ENC
,
274 static struct coda_fmt coda7_formats
[] = {
276 .name
= "YUV 4:2:0 Planar",
277 .fourcc
= V4L2_PIX_FMT_YUV420
,
278 .type
= CODA_FMT_RAW
,
281 .name
= "H264 Encoded Stream",
282 .fourcc
= V4L2_PIX_FMT_H264
,
283 .type
= CODA_FMT_ENC
,
286 .name
= "MPEG4 Encoded Stream",
287 .fourcc
= V4L2_PIX_FMT_MPEG4
,
288 .type
= CODA_FMT_ENC
,
292 static struct coda_fmt
*find_format(struct coda_dev
*dev
, struct v4l2_format
*f
)
294 struct coda_fmt
*formats
= dev
->devtype
->formats
;
295 int num_formats
= dev
->devtype
->num_formats
;
298 for (k
= 0; k
< num_formats
; k
++) {
299 if (formats
[k
].fourcc
== f
->fmt
.pix
.pixelformat
)
303 if (k
== num_formats
)
310 * V4L2 ioctl() operations.
312 static int vidioc_querycap(struct file
*file
, void *priv
,
313 struct v4l2_capability
*cap
)
315 strlcpy(cap
->driver
, CODA_NAME
, sizeof(cap
->driver
));
316 strlcpy(cap
->card
, CODA_NAME
, sizeof(cap
->card
));
317 strlcpy(cap
->bus_info
, CODA_NAME
, sizeof(cap
->bus_info
));
319 * This is only a mem-to-mem video device. The capture and output
320 * device capability flags are left only for backward compatibility
321 * and are scheduled for removal.
323 cap
->device_caps
= V4L2_CAP_VIDEO_CAPTURE
| V4L2_CAP_VIDEO_OUTPUT
|
324 V4L2_CAP_VIDEO_M2M
| V4L2_CAP_STREAMING
;
325 cap
->capabilities
= cap
->device_caps
| V4L2_CAP_DEVICE_CAPS
;
330 static int enum_fmt(void *priv
, struct v4l2_fmtdesc
*f
,
331 enum coda_fmt_type type
)
333 struct coda_ctx
*ctx
= fh_to_ctx(priv
);
334 struct coda_dev
*dev
= ctx
->dev
;
335 struct coda_fmt
*formats
= dev
->devtype
->formats
;
336 struct coda_fmt
*fmt
;
337 int num_formats
= dev
->devtype
->num_formats
;
340 for (i
= 0; i
< num_formats
; i
++) {
341 if (formats
[i
].type
== type
) {
348 if (i
< num_formats
) {
350 strlcpy(f
->description
, fmt
->name
, sizeof(f
->description
));
351 f
->pixelformat
= fmt
->fourcc
;
355 /* Format not found */
359 static int vidioc_enum_fmt_vid_cap(struct file
*file
, void *priv
,
360 struct v4l2_fmtdesc
*f
)
362 return enum_fmt(priv
, f
, CODA_FMT_ENC
);
365 static int vidioc_enum_fmt_vid_out(struct file
*file
, void *priv
,
366 struct v4l2_fmtdesc
*f
)
368 return enum_fmt(priv
, f
, CODA_FMT_RAW
);
371 static int vidioc_g_fmt(struct file
*file
, void *priv
, struct v4l2_format
*f
)
373 struct vb2_queue
*vq
;
374 struct coda_q_data
*q_data
;
375 struct coda_ctx
*ctx
= fh_to_ctx(priv
);
377 vq
= v4l2_m2m_get_vq(ctx
->m2m_ctx
, f
->type
);
381 q_data
= get_q_data(ctx
, f
->type
);
383 f
->fmt
.pix
.field
= V4L2_FIELD_NONE
;
384 f
->fmt
.pix
.pixelformat
= q_data
->fmt
->fourcc
;
385 f
->fmt
.pix
.width
= q_data
->width
;
386 f
->fmt
.pix
.height
= q_data
->height
;
387 if (f
->fmt
.pix
.pixelformat
== V4L2_PIX_FMT_YUV420
)
388 f
->fmt
.pix
.bytesperline
= round_up(f
->fmt
.pix
.width
, 2);
389 else /* encoded formats h.264/mpeg4 */
390 f
->fmt
.pix
.bytesperline
= 0;
392 f
->fmt
.pix
.sizeimage
= q_data
->sizeimage
;
393 f
->fmt
.pix
.colorspace
= ctx
->colorspace
;
398 static int vidioc_try_fmt(struct coda_dev
*dev
, struct v4l2_format
*f
)
400 enum v4l2_field field
;
402 field
= f
->fmt
.pix
.field
;
403 if (field
== V4L2_FIELD_ANY
)
404 field
= V4L2_FIELD_NONE
;
405 else if (V4L2_FIELD_NONE
!= field
)
408 /* V4L2 specification suggests the driver corrects the format struct
409 * if any of the dimensions is unsupported */
410 f
->fmt
.pix
.field
= field
;
412 if (f
->fmt
.pix
.pixelformat
== V4L2_PIX_FMT_YUV420
) {
413 v4l_bound_align_image(&f
->fmt
.pix
.width
, MIN_W
, MAX_W
,
414 W_ALIGN
, &f
->fmt
.pix
.height
,
415 MIN_H
, MAX_H
, H_ALIGN
, S_ALIGN
);
416 f
->fmt
.pix
.bytesperline
= round_up(f
->fmt
.pix
.width
, 2);
417 f
->fmt
.pix
.sizeimage
= f
->fmt
.pix
.width
*
418 f
->fmt
.pix
.height
* 3 / 2;
419 } else { /*encoded formats h.264/mpeg4 */
420 f
->fmt
.pix
.bytesperline
= 0;
421 f
->fmt
.pix
.sizeimage
= CODA_MAX_FRAME_SIZE
;
427 static int vidioc_try_fmt_vid_cap(struct file
*file
, void *priv
,
428 struct v4l2_format
*f
)
431 struct coda_fmt
*fmt
;
432 struct coda_ctx
*ctx
= fh_to_ctx(priv
);
434 fmt
= find_format(ctx
->dev
, f
);
436 * Since decoding support is not implemented yet do not allow
437 * CODA_FMT_RAW formats in the capture interface.
439 if (!fmt
|| !(fmt
->type
== CODA_FMT_ENC
))
440 f
->fmt
.pix
.pixelformat
= V4L2_PIX_FMT_H264
;
442 f
->fmt
.pix
.colorspace
= ctx
->colorspace
;
444 ret
= vidioc_try_fmt(ctx
->dev
, f
);
451 static int vidioc_try_fmt_vid_out(struct file
*file
, void *priv
,
452 struct v4l2_format
*f
)
454 struct coda_ctx
*ctx
= fh_to_ctx(priv
);
455 struct coda_fmt
*fmt
;
458 fmt
= find_format(ctx
->dev
, f
);
460 * Since decoding support is not implemented yet do not allow
461 * CODA_FMT formats in the capture interface.
463 if (!fmt
|| !(fmt
->type
== CODA_FMT_RAW
))
464 f
->fmt
.pix
.pixelformat
= V4L2_PIX_FMT_YUV420
;
466 if (!f
->fmt
.pix
.colorspace
)
467 f
->fmt
.pix
.colorspace
= V4L2_COLORSPACE_REC709
;
469 ret
= vidioc_try_fmt(ctx
->dev
, f
);
476 static int vidioc_s_fmt(struct coda_ctx
*ctx
, struct v4l2_format
*f
)
478 struct coda_q_data
*q_data
;
479 struct vb2_queue
*vq
;
482 vq
= v4l2_m2m_get_vq(ctx
->m2m_ctx
, f
->type
);
486 q_data
= get_q_data(ctx
, f
->type
);
490 if (vb2_is_busy(vq
)) {
491 v4l2_err(&ctx
->dev
->v4l2_dev
, "%s queue busy\n", __func__
);
495 ret
= vidioc_try_fmt(ctx
->dev
, f
);
499 q_data
->fmt
= find_format(ctx
->dev
, f
);
500 q_data
->width
= f
->fmt
.pix
.width
;
501 q_data
->height
= f
->fmt
.pix
.height
;
502 q_data
->sizeimage
= f
->fmt
.pix
.sizeimage
;
504 v4l2_dbg(1, coda_debug
, &ctx
->dev
->v4l2_dev
,
505 "Setting format for type %d, wxh: %dx%d, fmt: %d\n",
506 f
->type
, q_data
->width
, q_data
->height
, q_data
->fmt
->fourcc
);
511 static int vidioc_s_fmt_vid_cap(struct file
*file
, void *priv
,
512 struct v4l2_format
*f
)
516 ret
= vidioc_try_fmt_vid_cap(file
, priv
, f
);
520 return vidioc_s_fmt(fh_to_ctx(priv
), f
);
523 static int vidioc_s_fmt_vid_out(struct file
*file
, void *priv
,
524 struct v4l2_format
*f
)
526 struct coda_ctx
*ctx
= fh_to_ctx(priv
);
529 ret
= vidioc_try_fmt_vid_out(file
, priv
, f
);
533 ret
= vidioc_s_fmt(ctx
, f
);
535 ctx
->colorspace
= f
->fmt
.pix
.colorspace
;
540 static int vidioc_reqbufs(struct file
*file
, void *priv
,
541 struct v4l2_requestbuffers
*reqbufs
)
543 struct coda_ctx
*ctx
= fh_to_ctx(priv
);
545 return v4l2_m2m_reqbufs(file
, ctx
->m2m_ctx
, reqbufs
);
548 static int vidioc_querybuf(struct file
*file
, void *priv
,
549 struct v4l2_buffer
*buf
)
551 struct coda_ctx
*ctx
= fh_to_ctx(priv
);
553 return v4l2_m2m_querybuf(file
, ctx
->m2m_ctx
, buf
);
556 static int vidioc_qbuf(struct file
*file
, void *priv
, struct v4l2_buffer
*buf
)
558 struct coda_ctx
*ctx
= fh_to_ctx(priv
);
560 return v4l2_m2m_qbuf(file
, ctx
->m2m_ctx
, buf
);
563 static int vidioc_dqbuf(struct file
*file
, void *priv
, struct v4l2_buffer
*buf
)
565 struct coda_ctx
*ctx
= fh_to_ctx(priv
);
567 return v4l2_m2m_dqbuf(file
, ctx
->m2m_ctx
, buf
);
570 static int vidioc_streamon(struct file
*file
, void *priv
,
571 enum v4l2_buf_type type
)
573 struct coda_ctx
*ctx
= fh_to_ctx(priv
);
575 return v4l2_m2m_streamon(file
, ctx
->m2m_ctx
, type
);
578 static int vidioc_streamoff(struct file
*file
, void *priv
,
579 enum v4l2_buf_type type
)
581 struct coda_ctx
*ctx
= fh_to_ctx(priv
);
583 return v4l2_m2m_streamoff(file
, ctx
->m2m_ctx
, type
);
586 static const struct v4l2_ioctl_ops coda_ioctl_ops
= {
587 .vidioc_querycap
= vidioc_querycap
,
589 .vidioc_enum_fmt_vid_cap
= vidioc_enum_fmt_vid_cap
,
590 .vidioc_g_fmt_vid_cap
= vidioc_g_fmt
,
591 .vidioc_try_fmt_vid_cap
= vidioc_try_fmt_vid_cap
,
592 .vidioc_s_fmt_vid_cap
= vidioc_s_fmt_vid_cap
,
594 .vidioc_enum_fmt_vid_out
= vidioc_enum_fmt_vid_out
,
595 .vidioc_g_fmt_vid_out
= vidioc_g_fmt
,
596 .vidioc_try_fmt_vid_out
= vidioc_try_fmt_vid_out
,
597 .vidioc_s_fmt_vid_out
= vidioc_s_fmt_vid_out
,
599 .vidioc_reqbufs
= vidioc_reqbufs
,
600 .vidioc_querybuf
= vidioc_querybuf
,
602 .vidioc_qbuf
= vidioc_qbuf
,
603 .vidioc_dqbuf
= vidioc_dqbuf
,
605 .vidioc_streamon
= vidioc_streamon
,
606 .vidioc_streamoff
= vidioc_streamoff
,
610 * Mem-to-mem operations.
612 static void coda_device_run(void *m2m_priv
)
614 struct coda_ctx
*ctx
= m2m_priv
;
615 struct coda_q_data
*q_data_src
, *q_data_dst
;
616 struct vb2_buffer
*src_buf
, *dst_buf
;
617 struct coda_dev
*dev
= ctx
->dev
;
620 u32 picture_y
, picture_cb
, picture_cr
;
621 u32 pic_stream_buffer_addr
, pic_stream_buffer_size
;
624 src_buf
= v4l2_m2m_next_src_buf(ctx
->m2m_ctx
);
625 dst_buf
= v4l2_m2m_next_dst_buf(ctx
->m2m_ctx
);
626 q_data_src
= get_q_data(ctx
, V4L2_BUF_TYPE_VIDEO_OUTPUT
);
627 q_data_dst
= get_q_data(ctx
, V4L2_BUF_TYPE_VIDEO_CAPTURE
);
628 dst_fourcc
= q_data_dst
->fmt
->fourcc
;
630 src_buf
->v4l2_buf
.sequence
= ctx
->isequence
;
631 dst_buf
->v4l2_buf
.sequence
= ctx
->isequence
;
635 * Workaround coda firmware BUG that only marks the first
636 * frame as IDR. This is a problem for some decoders that can't
637 * recover when a frame is lost.
639 if (src_buf
->v4l2_buf
.sequence
% ctx
->params
.gop_size
) {
640 src_buf
->v4l2_buf
.flags
|= V4L2_BUF_FLAG_PFRAME
;
641 src_buf
->v4l2_buf
.flags
&= ~V4L2_BUF_FLAG_KEYFRAME
;
643 src_buf
->v4l2_buf
.flags
|= V4L2_BUF_FLAG_KEYFRAME
;
644 src_buf
->v4l2_buf
.flags
&= ~V4L2_BUF_FLAG_PFRAME
;
648 * Copy headers at the beginning of the first frame for H.264 only.
649 * In MPEG4 they are already copied by the coda.
651 if (src_buf
->v4l2_buf
.sequence
== 0) {
652 pic_stream_buffer_addr
=
653 vb2_dma_contig_plane_dma_addr(dst_buf
, 0) +
654 ctx
->vpu_header_size
[0] +
655 ctx
->vpu_header_size
[1] +
656 ctx
->vpu_header_size
[2];
657 pic_stream_buffer_size
= CODA_MAX_FRAME_SIZE
-
658 ctx
->vpu_header_size
[0] -
659 ctx
->vpu_header_size
[1] -
660 ctx
->vpu_header_size
[2];
661 memcpy(vb2_plane_vaddr(dst_buf
, 0),
662 &ctx
->vpu_header
[0][0], ctx
->vpu_header_size
[0]);
663 memcpy(vb2_plane_vaddr(dst_buf
, 0) + ctx
->vpu_header_size
[0],
664 &ctx
->vpu_header
[1][0], ctx
->vpu_header_size
[1]);
665 memcpy(vb2_plane_vaddr(dst_buf
, 0) + ctx
->vpu_header_size
[0] +
666 ctx
->vpu_header_size
[1], &ctx
->vpu_header
[2][0],
667 ctx
->vpu_header_size
[2]);
669 pic_stream_buffer_addr
=
670 vb2_dma_contig_plane_dma_addr(dst_buf
, 0);
671 pic_stream_buffer_size
= CODA_MAX_FRAME_SIZE
;
674 if (src_buf
->v4l2_buf
.flags
& V4L2_BUF_FLAG_KEYFRAME
) {
676 switch (dst_fourcc
) {
677 case V4L2_PIX_FMT_H264
:
678 quant_param
= ctx
->params
.h264_intra_qp
;
680 case V4L2_PIX_FMT_MPEG4
:
681 quant_param
= ctx
->params
.mpeg4_intra_qp
;
684 v4l2_warn(&ctx
->dev
->v4l2_dev
,
685 "cannot set intra qp, fmt not supported\n");
690 switch (dst_fourcc
) {
691 case V4L2_PIX_FMT_H264
:
692 quant_param
= ctx
->params
.h264_inter_qp
;
694 case V4L2_PIX_FMT_MPEG4
:
695 quant_param
= ctx
->params
.mpeg4_inter_qp
;
698 v4l2_warn(&ctx
->dev
->v4l2_dev
,
699 "cannot set inter qp, fmt not supported\n");
705 coda_write(dev
, CODA_ROT_MIR_ENABLE
| ctx
->params
.rot_mode
, CODA_CMD_ENC_PIC_ROT_MODE
);
706 coda_write(dev
, quant_param
, CODA_CMD_ENC_PIC_QS
);
709 picture_y
= vb2_dma_contig_plane_dma_addr(src_buf
, 0);
710 picture_cb
= picture_y
+ q_data_src
->width
* q_data_src
->height
;
711 picture_cr
= picture_cb
+ q_data_src
->width
/ 2 *
712 q_data_src
->height
/ 2;
714 coda_write(dev
, picture_y
, CODA_CMD_ENC_PIC_SRC_ADDR_Y
);
715 coda_write(dev
, picture_cb
, CODA_CMD_ENC_PIC_SRC_ADDR_CB
);
716 coda_write(dev
, picture_cr
, CODA_CMD_ENC_PIC_SRC_ADDR_CR
);
717 coda_write(dev
, force_ipicture
<< 1 & 0x2,
718 CODA_CMD_ENC_PIC_OPTION
);
720 coda_write(dev
, pic_stream_buffer_addr
, CODA_CMD_ENC_PIC_BB_START
);
721 coda_write(dev
, pic_stream_buffer_size
/ 1024,
722 CODA_CMD_ENC_PIC_BB_SIZE
);
724 if (dev
->devtype
->product
== CODA_7541
) {
725 coda_write(dev
, CODA7_USE_BIT_ENABLE
| CODA7_USE_HOST_BIT_ENABLE
|
726 CODA7_USE_ME_ENABLE
| CODA7_USE_HOST_ME_ENABLE
,
727 CODA7_REG_BIT_AXI_SRAM_USE
);
730 /* 1 second timeout in case CODA locks up */
731 schedule_delayed_work(&dev
->timeout
, HZ
);
733 INIT_COMPLETION(dev
->done
);
734 coda_command_async(ctx
, CODA_COMMAND_PIC_RUN
);
737 static int coda_job_ready(void *m2m_priv
)
739 struct coda_ctx
*ctx
= m2m_priv
;
742 * For both 'P' and 'key' frame cases 1 picture
743 * and 1 frame are needed.
745 if (!v4l2_m2m_num_src_bufs_ready(ctx
->m2m_ctx
) ||
746 !v4l2_m2m_num_dst_bufs_ready(ctx
->m2m_ctx
)) {
747 v4l2_dbg(1, coda_debug
, &ctx
->dev
->v4l2_dev
,
748 "not ready: not enough video buffers.\n");
752 v4l2_dbg(1, coda_debug
, &ctx
->dev
->v4l2_dev
,
757 static void coda_job_abort(void *priv
)
759 struct coda_ctx
*ctx
= priv
;
760 struct coda_dev
*dev
= ctx
->dev
;
764 v4l2_dbg(1, coda_debug
, &ctx
->dev
->v4l2_dev
,
767 v4l2_m2m_job_finish(dev
->m2m_dev
, ctx
->m2m_ctx
);
770 static void coda_lock(void *m2m_priv
)
772 struct coda_ctx
*ctx
= m2m_priv
;
773 struct coda_dev
*pcdev
= ctx
->dev
;
774 mutex_lock(&pcdev
->dev_mutex
);
777 static void coda_unlock(void *m2m_priv
)
779 struct coda_ctx
*ctx
= m2m_priv
;
780 struct coda_dev
*pcdev
= ctx
->dev
;
781 mutex_unlock(&pcdev
->dev_mutex
);
784 static struct v4l2_m2m_ops coda_m2m_ops
= {
785 .device_run
= coda_device_run
,
786 .job_ready
= coda_job_ready
,
787 .job_abort
= coda_job_abort
,
789 .unlock
= coda_unlock
,
792 static void set_default_params(struct coda_ctx
*ctx
)
794 struct coda_dev
*dev
= ctx
->dev
;
796 ctx
->params
.codec_mode
= CODA_MODE_INVALID
;
797 ctx
->colorspace
= V4L2_COLORSPACE_REC709
;
798 ctx
->params
.framerate
= 30;
801 /* Default formats for output and input queues */
802 ctx
->q_data
[V4L2_M2M_SRC
].fmt
= &dev
->devtype
->formats
[0];
803 ctx
->q_data
[V4L2_M2M_DST
].fmt
= &dev
->devtype
->formats
[1];
804 ctx
->q_data
[V4L2_M2M_SRC
].width
= MAX_W
;
805 ctx
->q_data
[V4L2_M2M_SRC
].height
= MAX_H
;
806 ctx
->q_data
[V4L2_M2M_SRC
].sizeimage
= (MAX_W
* MAX_H
* 3) / 2;
807 ctx
->q_data
[V4L2_M2M_DST
].width
= MAX_W
;
808 ctx
->q_data
[V4L2_M2M_DST
].height
= MAX_H
;
809 ctx
->q_data
[V4L2_M2M_DST
].sizeimage
= CODA_MAX_FRAME_SIZE
;
815 static int coda_queue_setup(struct vb2_queue
*vq
,
816 const struct v4l2_format
*fmt
,
817 unsigned int *nbuffers
, unsigned int *nplanes
,
818 unsigned int sizes
[], void *alloc_ctxs
[])
820 struct coda_ctx
*ctx
= vb2_get_drv_priv(vq
);
821 struct coda_q_data
*q_data
;
824 q_data
= get_q_data(ctx
, vq
->type
);
825 size
= q_data
->sizeimage
;
830 alloc_ctxs
[0] = ctx
->dev
->alloc_ctx
;
832 v4l2_dbg(1, coda_debug
, &ctx
->dev
->v4l2_dev
,
833 "get %d buffer(s) of size %d each.\n", *nbuffers
, size
);
838 static int coda_buf_prepare(struct vb2_buffer
*vb
)
840 struct coda_ctx
*ctx
= vb2_get_drv_priv(vb
->vb2_queue
);
841 struct coda_q_data
*q_data
;
843 q_data
= get_q_data(ctx
, vb
->vb2_queue
->type
);
845 if (vb2_plane_size(vb
, 0) < q_data
->sizeimage
) {
846 v4l2_warn(&ctx
->dev
->v4l2_dev
,
847 "%s data will not fit into plane (%lu < %lu)\n",
848 __func__
, vb2_plane_size(vb
, 0),
849 (long)q_data
->sizeimage
);
853 vb2_set_plane_payload(vb
, 0, q_data
->sizeimage
);
858 static void coda_buf_queue(struct vb2_buffer
*vb
)
860 struct coda_ctx
*ctx
= vb2_get_drv_priv(vb
->vb2_queue
);
861 v4l2_m2m_buf_queue(ctx
->m2m_ctx
, vb
);
864 static void coda_wait_prepare(struct vb2_queue
*q
)
866 struct coda_ctx
*ctx
= vb2_get_drv_priv(q
);
870 static void coda_wait_finish(struct vb2_queue
*q
)
872 struct coda_ctx
*ctx
= vb2_get_drv_priv(q
);
876 static void coda_free_framebuffers(struct coda_ctx
*ctx
)
880 for (i
= 0; i
< CODA_MAX_FRAMEBUFFERS
; i
++) {
881 if (ctx
->internal_frames
[i
].vaddr
) {
882 dma_free_coherent(&ctx
->dev
->plat_dev
->dev
,
883 ctx
->internal_frames
[i
].size
,
884 ctx
->internal_frames
[i
].vaddr
,
885 ctx
->internal_frames
[i
].paddr
);
886 ctx
->internal_frames
[i
].vaddr
= NULL
;
891 static int coda_alloc_framebuffers(struct coda_ctx
*ctx
, struct coda_q_data
*q_data
, u32 fourcc
)
893 struct coda_dev
*dev
= ctx
->dev
;
895 int height
= q_data
->height
;
896 int width
= q_data
->width
;
900 /* Allocate frame buffers */
901 ctx
->num_internal_frames
= CODA_MAX_FRAMEBUFFERS
;
902 for (i
= 0; i
< ctx
->num_internal_frames
; i
++) {
903 ctx
->internal_frames
[i
].size
= q_data
->sizeimage
;
904 if (fourcc
== V4L2_PIX_FMT_H264
&& dev
->devtype
->product
!= CODA_DX6
)
905 ctx
->internal_frames
[i
].size
+= width
/ 2 * height
/ 2;
906 ctx
->internal_frames
[i
].vaddr
= dma_alloc_coherent(
907 &dev
->plat_dev
->dev
, ctx
->internal_frames
[i
].size
,
908 &ctx
->internal_frames
[i
].paddr
, GFP_KERNEL
);
909 if (!ctx
->internal_frames
[i
].vaddr
) {
910 coda_free_framebuffers(ctx
);
915 /* Register frame buffers in the parameter buffer */
916 p
= ctx
->parabuf
.vaddr
;
918 if (dev
->devtype
->product
== CODA_DX6
) {
919 for (i
= 0; i
< ctx
->num_internal_frames
; i
++) {
920 p
[i
* 3] = ctx
->internal_frames
[i
].paddr
; /* Y */
921 p
[i
* 3 + 1] = p
[i
* 3] + width
* height
; /* Cb */
922 p
[i
* 3 + 2] = p
[i
* 3 + 1] + width
/ 2 * height
/ 2; /* Cr */
925 for (i
= 0; i
< ctx
->num_internal_frames
; i
+= 2) {
926 p
[i
* 3 + 1] = ctx
->internal_frames
[i
].paddr
; /* Y */
927 p
[i
* 3] = p
[i
* 3 + 1] + width
* height
; /* Cb */
928 p
[i
* 3 + 3] = p
[i
* 3] + (width
/ 2) * (height
/ 2); /* Cr */
930 if (fourcc
== V4L2_PIX_FMT_H264
)
931 p
[96 + i
+ 1] = p
[i
* 3 + 3] + (width
/ 2) * (height
/ 2);
933 if (i
+ 1 < ctx
->num_internal_frames
) {
934 p
[i
* 3 + 2] = ctx
->internal_frames
[i
+1].paddr
; /* Y */
935 p
[i
* 3 + 5] = p
[i
* 3 + 2] + width
* height
; /* Cb */
936 p
[i
* 3 + 4] = p
[i
* 3 + 5] + (width
/ 2) * (height
/ 2); /* Cr */
938 if (fourcc
== V4L2_PIX_FMT_H264
)
939 p
[96 + i
] = p
[i
* 3 + 4] + (width
/ 2) * (height
/ 2);
947 static int coda_start_streaming(struct vb2_queue
*q
, unsigned int count
)
949 struct coda_ctx
*ctx
= vb2_get_drv_priv(q
);
950 struct v4l2_device
*v4l2_dev
= &ctx
->dev
->v4l2_dev
;
951 u32 bitstream_buf
, bitstream_size
;
952 struct coda_dev
*dev
= ctx
->dev
;
953 struct coda_q_data
*q_data_src
, *q_data_dst
;
954 struct vb2_buffer
*buf
;
962 if (q
->type
== V4L2_BUF_TYPE_VIDEO_OUTPUT
)
963 ctx
->rawstreamon
= 1;
965 ctx
->compstreamon
= 1;
967 /* Don't start the coda unless both queues are on */
968 if (!(ctx
->rawstreamon
& ctx
->compstreamon
))
971 if (coda_isbusy(dev
))
972 if (wait_for_completion_interruptible_timeout(&dev
->done
, HZ
) <= 0)
975 ctx
->gopcounter
= ctx
->params
.gop_size
- 1;
977 q_data_src
= get_q_data(ctx
, V4L2_BUF_TYPE_VIDEO_OUTPUT
);
978 buf
= v4l2_m2m_next_dst_buf(ctx
->m2m_ctx
);
979 bitstream_buf
= vb2_dma_contig_plane_dma_addr(buf
, 0);
980 q_data_dst
= get_q_data(ctx
, V4L2_BUF_TYPE_VIDEO_CAPTURE
);
981 bitstream_size
= q_data_dst
->sizeimage
;
982 dst_fourcc
= q_data_dst
->fmt
->fourcc
;
984 /* Find out whether coda must encode or decode */
985 if (q_data_src
->fmt
->type
== CODA_FMT_RAW
&&
986 q_data_dst
->fmt
->type
== CODA_FMT_ENC
) {
987 ctx
->inst_type
= CODA_INST_ENCODER
;
988 } else if (q_data_src
->fmt
->type
== CODA_FMT_ENC
&&
989 q_data_dst
->fmt
->type
== CODA_FMT_RAW
) {
990 ctx
->inst_type
= CODA_INST_DECODER
;
991 v4l2_err(v4l2_dev
, "decoding not supported.\n");
994 v4l2_err(v4l2_dev
, "couldn't tell instance type.\n");
998 if (!coda_is_initialized(dev
)) {
999 v4l2_err(v4l2_dev
, "coda is not initialized.\n");
1002 coda_write(dev
, ctx
->parabuf
.paddr
, CODA_REG_BIT_PARA_BUF_ADDR
);
1003 coda_write(dev
, bitstream_buf
, CODA_REG_BIT_RD_PTR(ctx
->idx
));
1004 coda_write(dev
, bitstream_buf
, CODA_REG_BIT_WR_PTR(ctx
->idx
));
1005 switch (dev
->devtype
->product
) {
1007 coda_write(dev
, CODADX6_STREAM_BUF_DYNALLOC_EN
|
1008 CODADX6_STREAM_BUF_PIC_RESET
, CODA_REG_BIT_STREAM_CTRL
);
1011 coda_write(dev
, CODA7_STREAM_BUF_DYNALLOC_EN
|
1012 CODA7_STREAM_BUF_PIC_RESET
, CODA_REG_BIT_STREAM_CTRL
);
1015 if (dev
->devtype
->product
== CODA_DX6
) {
1016 /* Configure the coda */
1017 coda_write(dev
, dev
->iram_paddr
, CODADX6_REG_BIT_SEARCH_RAM_BASE_ADDR
);
1020 /* Could set rotation here if needed */
1021 switch (dev
->devtype
->product
) {
1023 value
= (q_data_src
->width
& CODADX6_PICWIDTH_MASK
) << CODADX6_PICWIDTH_OFFSET
;
1026 value
= (q_data_src
->width
& CODA7_PICWIDTH_MASK
) << CODA7_PICWIDTH_OFFSET
;
1028 value
|= (q_data_src
->height
& CODA_PICHEIGHT_MASK
) << CODA_PICHEIGHT_OFFSET
;
1029 coda_write(dev
, value
, CODA_CMD_ENC_SEQ_SRC_SIZE
);
1030 coda_write(dev
, ctx
->params
.framerate
,
1031 CODA_CMD_ENC_SEQ_SRC_F_RATE
);
1033 switch (dst_fourcc
) {
1034 case V4L2_PIX_FMT_MPEG4
:
1035 if (dev
->devtype
->product
== CODA_DX6
)
1036 ctx
->params
.codec_mode
= CODADX6_MODE_ENCODE_MP4
;
1038 ctx
->params
.codec_mode
= CODA7_MODE_ENCODE_MP4
;
1040 coda_write(dev
, CODA_STD_MPEG4
, CODA_CMD_ENC_SEQ_COD_STD
);
1041 coda_write(dev
, 0, CODA_CMD_ENC_SEQ_MP4_PARA
);
1043 case V4L2_PIX_FMT_H264
:
1044 if (dev
->devtype
->product
== CODA_DX6
)
1045 ctx
->params
.codec_mode
= CODADX6_MODE_ENCODE_H264
;
1047 ctx
->params
.codec_mode
= CODA7_MODE_ENCODE_H264
;
1049 coda_write(dev
, CODA_STD_H264
, CODA_CMD_ENC_SEQ_COD_STD
);
1050 coda_write(dev
, 0, CODA_CMD_ENC_SEQ_264_PARA
);
1054 "dst format (0x%08x) invalid.\n", dst_fourcc
);
1058 switch (ctx
->params
.slice_mode
) {
1059 case V4L2_MPEG_VIDEO_MULTI_SLICE_MODE_SINGLE
:
1062 case V4L2_MPEG_VIDEO_MULTI_SICE_MODE_MAX_MB
:
1063 value
= (ctx
->params
.slice_max_mb
& CODA_SLICING_SIZE_MASK
) << CODA_SLICING_SIZE_OFFSET
;
1064 value
|= (1 & CODA_SLICING_UNIT_MASK
) << CODA_SLICING_UNIT_OFFSET
;
1065 value
|= 1 & CODA_SLICING_MODE_MASK
;
1067 case V4L2_MPEG_VIDEO_MULTI_SICE_MODE_MAX_BYTES
:
1068 value
= (ctx
->params
.slice_max_bits
& CODA_SLICING_SIZE_MASK
) << CODA_SLICING_SIZE_OFFSET
;
1069 value
|= (0 & CODA_SLICING_UNIT_MASK
) << CODA_SLICING_UNIT_OFFSET
;
1070 value
|= 1 & CODA_SLICING_MODE_MASK
;
1073 coda_write(dev
, value
, CODA_CMD_ENC_SEQ_SLICE_MODE
);
1074 value
= ctx
->params
.gop_size
& CODA_GOP_SIZE_MASK
;
1075 coda_write(dev
, value
, CODA_CMD_ENC_SEQ_GOP_SIZE
);
1077 if (ctx
->params
.bitrate
) {
1078 /* Rate control enabled */
1079 value
= (ctx
->params
.bitrate
& CODA_RATECONTROL_BITRATE_MASK
) << CODA_RATECONTROL_BITRATE_OFFSET
;
1080 value
|= 1 & CODA_RATECONTROL_ENABLE_MASK
;
1084 coda_write(dev
, value
, CODA_CMD_ENC_SEQ_RC_PARA
);
1086 coda_write(dev
, 0, CODA_CMD_ENC_SEQ_RC_BUF_SIZE
);
1087 coda_write(dev
, 0, CODA_CMD_ENC_SEQ_INTRA_REFRESH
);
1089 coda_write(dev
, bitstream_buf
, CODA_CMD_ENC_SEQ_BB_START
);
1090 coda_write(dev
, bitstream_size
/ 1024, CODA_CMD_ENC_SEQ_BB_SIZE
);
1092 /* set default gamma */
1093 value
= (CODA_DEFAULT_GAMMA
& CODA_GAMMA_MASK
) << CODA_GAMMA_OFFSET
;
1094 coda_write(dev
, value
, CODA_CMD_ENC_SEQ_RC_GAMMA
);
1096 value
= (CODA_DEFAULT_GAMMA
> 0) << CODA_OPTION_GAMMA_OFFSET
;
1097 value
|= (0 & CODA_OPTION_SLICEREPORT_MASK
) << CODA_OPTION_SLICEREPORT_OFFSET
;
1098 coda_write(dev
, value
, CODA_CMD_ENC_SEQ_OPTION
);
1100 if (dst_fourcc
== V4L2_PIX_FMT_H264
) {
1101 value
= (FMO_SLICE_SAVE_BUF_SIZE
<< 7);
1102 value
|= (0 & CODA_FMOPARAM_TYPE_MASK
) << CODA_FMOPARAM_TYPE_OFFSET
;
1103 value
|= 0 & CODA_FMOPARAM_SLICENUM_MASK
;
1104 if (dev
->devtype
->product
== CODA_DX6
) {
1105 coda_write(dev
, value
, CODADX6_CMD_ENC_SEQ_FMO
);
1107 coda_write(dev
, dev
->iram_paddr
, CODA7_CMD_ENC_SEQ_SEARCH_BASE
);
1108 coda_write(dev
, 48 * 1024, CODA7_CMD_ENC_SEQ_SEARCH_SIZE
);
1112 if (coda_command_sync(ctx
, CODA_COMMAND_SEQ_INIT
)) {
1113 v4l2_err(v4l2_dev
, "CODA_COMMAND_SEQ_INIT timeout\n");
1117 if (coda_read(dev
, CODA_RET_ENC_SEQ_SUCCESS
) == 0)
1120 ret
= coda_alloc_framebuffers(ctx
, q_data_src
, dst_fourcc
);
1124 coda_write(dev
, ctx
->num_internal_frames
, CODA_CMD_SET_FRAME_BUF_NUM
);
1125 coda_write(dev
, round_up(q_data_src
->width
, 8), CODA_CMD_SET_FRAME_BUF_STRIDE
);
1126 if (dev
->devtype
->product
!= CODA_DX6
) {
1127 coda_write(dev
, round_up(q_data_src
->width
, 8), CODA7_CMD_SET_FRAME_SOURCE_BUF_STRIDE
);
1128 coda_write(dev
, dev
->iram_paddr
+ 48 * 1024, CODA7_CMD_SET_FRAME_AXI_DBKY_ADDR
);
1129 coda_write(dev
, dev
->iram_paddr
+ 53 * 1024, CODA7_CMD_SET_FRAME_AXI_DBKC_ADDR
);
1130 coda_write(dev
, dev
->iram_paddr
+ 58 * 1024, CODA7_CMD_SET_FRAME_AXI_BIT_ADDR
);
1131 coda_write(dev
, dev
->iram_paddr
+ 68 * 1024, CODA7_CMD_SET_FRAME_AXI_IPACDC_ADDR
);
1132 coda_write(dev
, 0x0, CODA7_CMD_SET_FRAME_AXI_OVL_ADDR
);
1134 if (coda_command_sync(ctx
, CODA_COMMAND_SET_FRAME_BUF
)) {
1135 v4l2_err(v4l2_dev
, "CODA_COMMAND_SET_FRAME_BUF timeout\n");
1139 /* Save stream headers */
1140 buf
= v4l2_m2m_next_dst_buf(ctx
->m2m_ctx
);
1141 switch (dst_fourcc
) {
1142 case V4L2_PIX_FMT_H264
:
1144 * Get SPS in the first frame and copy it to an
1145 * intermediate buffer.
1147 coda_write(dev
, vb2_dma_contig_plane_dma_addr(buf
, 0), CODA_CMD_ENC_HEADER_BB_START
);
1148 coda_write(dev
, bitstream_size
, CODA_CMD_ENC_HEADER_BB_SIZE
);
1149 coda_write(dev
, CODA_HEADER_H264_SPS
, CODA_CMD_ENC_HEADER_CODE
);
1150 if (coda_command_sync(ctx
, CODA_COMMAND_ENCODE_HEADER
)) {
1151 v4l2_err(v4l2_dev
, "CODA_COMMAND_ENCODE_HEADER timeout\n");
1154 ctx
->vpu_header_size
[0] = coda_read(dev
, CODA_REG_BIT_WR_PTR(ctx
->idx
)) -
1155 coda_read(dev
, CODA_CMD_ENC_HEADER_BB_START
);
1156 memcpy(&ctx
->vpu_header
[0][0], vb2_plane_vaddr(buf
, 0),
1157 ctx
->vpu_header_size
[0]);
1160 * Get PPS in the first frame and copy it to an
1161 * intermediate buffer.
1163 coda_write(dev
, vb2_dma_contig_plane_dma_addr(buf
, 0), CODA_CMD_ENC_HEADER_BB_START
);
1164 coda_write(dev
, bitstream_size
, CODA_CMD_ENC_HEADER_BB_SIZE
);
1165 coda_write(dev
, CODA_HEADER_H264_PPS
, CODA_CMD_ENC_HEADER_CODE
);
1166 if (coda_command_sync(ctx
, CODA_COMMAND_ENCODE_HEADER
)) {
1167 v4l2_err(v4l2_dev
, "CODA_COMMAND_ENCODE_HEADER timeout\n");
1170 ctx
->vpu_header_size
[1] = coda_read(dev
, CODA_REG_BIT_WR_PTR(ctx
->idx
)) -
1171 coda_read(dev
, CODA_CMD_ENC_HEADER_BB_START
);
1172 memcpy(&ctx
->vpu_header
[1][0], vb2_plane_vaddr(buf
, 0),
1173 ctx
->vpu_header_size
[1]);
1174 ctx
->vpu_header_size
[2] = 0;
1176 case V4L2_PIX_FMT_MPEG4
:
1178 * Get VOS in the first frame and copy it to an
1179 * intermediate buffer
1181 coda_write(dev
, vb2_dma_contig_plane_dma_addr(buf
, 0), CODA_CMD_ENC_HEADER_BB_START
);
1182 coda_write(dev
, bitstream_size
, CODA_CMD_ENC_HEADER_BB_SIZE
);
1183 coda_write(dev
, CODA_HEADER_MP4V_VOS
, CODA_CMD_ENC_HEADER_CODE
);
1184 if (coda_command_sync(ctx
, CODA_COMMAND_ENCODE_HEADER
)) {
1185 v4l2_err(v4l2_dev
, "CODA_COMMAND_ENCODE_HEADER timeout\n");
1188 ctx
->vpu_header_size
[0] = coda_read(dev
, CODA_REG_BIT_WR_PTR(ctx
->idx
)) -
1189 coda_read(dev
, CODA_CMD_ENC_HEADER_BB_START
);
1190 memcpy(&ctx
->vpu_header
[0][0], vb2_plane_vaddr(buf
, 0),
1191 ctx
->vpu_header_size
[0]);
1193 coda_write(dev
, vb2_dma_contig_plane_dma_addr(buf
, 0), CODA_CMD_ENC_HEADER_BB_START
);
1194 coda_write(dev
, bitstream_size
, CODA_CMD_ENC_HEADER_BB_SIZE
);
1195 coda_write(dev
, CODA_HEADER_MP4V_VIS
, CODA_CMD_ENC_HEADER_CODE
);
1196 if (coda_command_sync(ctx
, CODA_COMMAND_ENCODE_HEADER
)) {
1197 v4l2_err(v4l2_dev
, "CODA_COMMAND_ENCODE_HEADER failed\n");
1200 ctx
->vpu_header_size
[1] = coda_read(dev
, CODA_REG_BIT_WR_PTR(ctx
->idx
)) -
1201 coda_read(dev
, CODA_CMD_ENC_HEADER_BB_START
);
1202 memcpy(&ctx
->vpu_header
[1][0], vb2_plane_vaddr(buf
, 0),
1203 ctx
->vpu_header_size
[1]);
1205 coda_write(dev
, vb2_dma_contig_plane_dma_addr(buf
, 0), CODA_CMD_ENC_HEADER_BB_START
);
1206 coda_write(dev
, bitstream_size
, CODA_CMD_ENC_HEADER_BB_SIZE
);
1207 coda_write(dev
, CODA_HEADER_MP4V_VOL
, CODA_CMD_ENC_HEADER_CODE
);
1208 if (coda_command_sync(ctx
, CODA_COMMAND_ENCODE_HEADER
)) {
1209 v4l2_err(v4l2_dev
, "CODA_COMMAND_ENCODE_HEADER failed\n");
1212 ctx
->vpu_header_size
[2] = coda_read(dev
, CODA_REG_BIT_WR_PTR(ctx
->idx
)) -
1213 coda_read(dev
, CODA_CMD_ENC_HEADER_BB_START
);
1214 memcpy(&ctx
->vpu_header
[2][0], vb2_plane_vaddr(buf
, 0),
1215 ctx
->vpu_header_size
[2]);
1218 /* No more formats need to save headers at the moment */
1225 static int coda_stop_streaming(struct vb2_queue
*q
)
1227 struct coda_ctx
*ctx
= vb2_get_drv_priv(q
);
1228 struct coda_dev
*dev
= ctx
->dev
;
1230 if (q
->type
== V4L2_BUF_TYPE_VIDEO_OUTPUT
) {
1231 v4l2_dbg(1, coda_debug
, &ctx
->dev
->v4l2_dev
,
1232 "%s: output\n", __func__
);
1233 ctx
->rawstreamon
= 0;
1235 v4l2_dbg(1, coda_debug
, &ctx
->dev
->v4l2_dev
,
1236 "%s: capture\n", __func__
);
1237 ctx
->compstreamon
= 0;
1240 /* Don't stop the coda unless both queues are off */
1241 if (ctx
->rawstreamon
|| ctx
->compstreamon
)
1244 if (coda_isbusy(dev
)) {
1245 if (wait_for_completion_interruptible_timeout(&dev
->done
, HZ
) <= 0) {
1246 v4l2_warn(&dev
->v4l2_dev
,
1247 "%s: timeout, sending SEQ_END anyway\n", __func__
);
1251 cancel_delayed_work(&dev
->timeout
);
1253 v4l2_dbg(1, coda_debug
, &dev
->v4l2_dev
,
1254 "%s: sent command 'SEQ_END' to coda\n", __func__
);
1255 if (coda_command_sync(ctx
, CODA_COMMAND_SEQ_END
)) {
1256 v4l2_err(&dev
->v4l2_dev
,
1257 "CODA_COMMAND_SEQ_END failed\n");
1261 coda_free_framebuffers(ctx
);
1266 static struct vb2_ops coda_qops
= {
1267 .queue_setup
= coda_queue_setup
,
1268 .buf_prepare
= coda_buf_prepare
,
1269 .buf_queue
= coda_buf_queue
,
1270 .wait_prepare
= coda_wait_prepare
,
1271 .wait_finish
= coda_wait_finish
,
1272 .start_streaming
= coda_start_streaming
,
1273 .stop_streaming
= coda_stop_streaming
,
1276 static int coda_s_ctrl(struct v4l2_ctrl
*ctrl
)
1278 struct coda_ctx
*ctx
=
1279 container_of(ctrl
->handler
, struct coda_ctx
, ctrls
);
1281 v4l2_dbg(1, coda_debug
, &ctx
->dev
->v4l2_dev
,
1282 "s_ctrl: id = %d, val = %d\n", ctrl
->id
, ctrl
->val
);
1285 case V4L2_CID_HFLIP
:
1287 ctx
->params
.rot_mode
|= CODA_MIR_HOR
;
1289 ctx
->params
.rot_mode
&= ~CODA_MIR_HOR
;
1291 case V4L2_CID_VFLIP
:
1293 ctx
->params
.rot_mode
|= CODA_MIR_VER
;
1295 ctx
->params
.rot_mode
&= ~CODA_MIR_VER
;
1297 case V4L2_CID_MPEG_VIDEO_BITRATE
:
1298 ctx
->params
.bitrate
= ctrl
->val
/ 1000;
1300 case V4L2_CID_MPEG_VIDEO_GOP_SIZE
:
1301 ctx
->params
.gop_size
= ctrl
->val
;
1303 case V4L2_CID_MPEG_VIDEO_H264_I_FRAME_QP
:
1304 ctx
->params
.h264_intra_qp
= ctrl
->val
;
1306 case V4L2_CID_MPEG_VIDEO_H264_P_FRAME_QP
:
1307 ctx
->params
.h264_inter_qp
= ctrl
->val
;
1309 case V4L2_CID_MPEG_VIDEO_MPEG4_I_FRAME_QP
:
1310 ctx
->params
.mpeg4_intra_qp
= ctrl
->val
;
1312 case V4L2_CID_MPEG_VIDEO_MPEG4_P_FRAME_QP
:
1313 ctx
->params
.mpeg4_inter_qp
= ctrl
->val
;
1315 case V4L2_CID_MPEG_VIDEO_MULTI_SLICE_MODE
:
1316 ctx
->params
.slice_mode
= ctrl
->val
;
1318 case V4L2_CID_MPEG_VIDEO_MULTI_SLICE_MAX_MB
:
1319 ctx
->params
.slice_max_mb
= ctrl
->val
;
1321 case V4L2_CID_MPEG_VIDEO_MULTI_SLICE_MAX_BYTES
:
1322 ctx
->params
.slice_max_bits
= ctrl
->val
* 8;
1324 case V4L2_CID_MPEG_VIDEO_HEADER_MODE
:
1327 v4l2_dbg(1, coda_debug
, &ctx
->dev
->v4l2_dev
,
1328 "Invalid control, id=%d, val=%d\n",
1329 ctrl
->id
, ctrl
->val
);
1336 static struct v4l2_ctrl_ops coda_ctrl_ops
= {
1337 .s_ctrl
= coda_s_ctrl
,
1340 static int coda_ctrls_setup(struct coda_ctx
*ctx
)
1342 v4l2_ctrl_handler_init(&ctx
->ctrls
, 9);
1344 v4l2_ctrl_new_std(&ctx
->ctrls
, &coda_ctrl_ops
,
1345 V4L2_CID_HFLIP
, 0, 1, 1, 0);
1346 v4l2_ctrl_new_std(&ctx
->ctrls
, &coda_ctrl_ops
,
1347 V4L2_CID_VFLIP
, 0, 1, 1, 0);
1348 v4l2_ctrl_new_std(&ctx
->ctrls
, &coda_ctrl_ops
,
1349 V4L2_CID_MPEG_VIDEO_BITRATE
, 0, 32767000, 1, 0);
1350 v4l2_ctrl_new_std(&ctx
->ctrls
, &coda_ctrl_ops
,
1351 V4L2_CID_MPEG_VIDEO_GOP_SIZE
, 1, 60, 1, 16);
1352 v4l2_ctrl_new_std(&ctx
->ctrls
, &coda_ctrl_ops
,
1353 V4L2_CID_MPEG_VIDEO_H264_I_FRAME_QP
, 1, 51, 1, 25);
1354 v4l2_ctrl_new_std(&ctx
->ctrls
, &coda_ctrl_ops
,
1355 V4L2_CID_MPEG_VIDEO_H264_P_FRAME_QP
, 1, 51, 1, 25);
1356 v4l2_ctrl_new_std(&ctx
->ctrls
, &coda_ctrl_ops
,
1357 V4L2_CID_MPEG_VIDEO_MPEG4_I_FRAME_QP
, 1, 31, 1, 2);
1358 v4l2_ctrl_new_std(&ctx
->ctrls
, &coda_ctrl_ops
,
1359 V4L2_CID_MPEG_VIDEO_MPEG4_P_FRAME_QP
, 1, 31, 1, 2);
1360 v4l2_ctrl_new_std_menu(&ctx
->ctrls
, &coda_ctrl_ops
,
1361 V4L2_CID_MPEG_VIDEO_MULTI_SLICE_MODE
,
1362 V4L2_MPEG_VIDEO_MULTI_SICE_MODE_MAX_BYTES
, 0x0,
1363 V4L2_MPEG_VIDEO_MULTI_SLICE_MODE_SINGLE
);
1364 v4l2_ctrl_new_std(&ctx
->ctrls
, &coda_ctrl_ops
,
1365 V4L2_CID_MPEG_VIDEO_MULTI_SLICE_MAX_MB
, 1, 0x3fffffff, 1, 1);
1366 v4l2_ctrl_new_std(&ctx
->ctrls
, &coda_ctrl_ops
,
1367 V4L2_CID_MPEG_VIDEO_MULTI_SLICE_MAX_BYTES
, 1, 0x3fffffff, 1, 500);
1368 v4l2_ctrl_new_std_menu(&ctx
->ctrls
, &coda_ctrl_ops
,
1369 V4L2_CID_MPEG_VIDEO_HEADER_MODE
,
1370 V4L2_MPEG_VIDEO_HEADER_MODE_JOINED_WITH_1ST_FRAME
,
1371 (1 << V4L2_MPEG_VIDEO_HEADER_MODE_SEPARATE
),
1372 V4L2_MPEG_VIDEO_HEADER_MODE_JOINED_WITH_1ST_FRAME
);
1374 if (ctx
->ctrls
.error
) {
1375 v4l2_err(&ctx
->dev
->v4l2_dev
, "control initialization error (%d)",
1380 return v4l2_ctrl_handler_setup(&ctx
->ctrls
);
1383 static int coda_queue_init(void *priv
, struct vb2_queue
*src_vq
,
1384 struct vb2_queue
*dst_vq
)
1386 struct coda_ctx
*ctx
= priv
;
1389 src_vq
->type
= V4L2_BUF_TYPE_VIDEO_OUTPUT
;
1390 src_vq
->io_modes
= VB2_MMAP
| VB2_USERPTR
;
1391 src_vq
->drv_priv
= ctx
;
1392 src_vq
->buf_struct_size
= sizeof(struct v4l2_m2m_buffer
);
1393 src_vq
->ops
= &coda_qops
;
1394 src_vq
->mem_ops
= &vb2_dma_contig_memops
;
1396 ret
= vb2_queue_init(src_vq
);
1400 dst_vq
->type
= V4L2_BUF_TYPE_VIDEO_CAPTURE
;
1401 dst_vq
->io_modes
= VB2_MMAP
| VB2_USERPTR
;
1402 dst_vq
->drv_priv
= ctx
;
1403 dst_vq
->buf_struct_size
= sizeof(struct v4l2_m2m_buffer
);
1404 dst_vq
->ops
= &coda_qops
;
1405 dst_vq
->mem_ops
= &vb2_dma_contig_memops
;
1407 return vb2_queue_init(dst_vq
);
1410 static int coda_next_free_instance(struct coda_dev
*dev
)
1412 return ffz(dev
->instance_mask
);
1415 static int coda_open(struct file
*file
)
1417 struct coda_dev
*dev
= video_drvdata(file
);
1418 struct coda_ctx
*ctx
= NULL
;
1422 idx
= coda_next_free_instance(dev
);
1423 if (idx
>= CODA_MAX_INSTANCES
)
1425 set_bit(idx
, &dev
->instance_mask
);
1427 ctx
= kzalloc(sizeof *ctx
, GFP_KERNEL
);
1431 v4l2_fh_init(&ctx
->fh
, video_devdata(file
));
1432 file
->private_data
= &ctx
->fh
;
1433 v4l2_fh_add(&ctx
->fh
);
1437 set_default_params(ctx
);
1438 ctx
->m2m_ctx
= v4l2_m2m_ctx_init(dev
->m2m_dev
, ctx
,
1440 if (IS_ERR(ctx
->m2m_ctx
)) {
1441 int ret
= PTR_ERR(ctx
->m2m_ctx
);
1443 v4l2_err(&dev
->v4l2_dev
, "%s return error (%d)\n",
1447 ret
= coda_ctrls_setup(ctx
);
1449 v4l2_err(&dev
->v4l2_dev
, "failed to setup coda controls\n");
1453 ctx
->fh
.ctrl_handler
= &ctx
->ctrls
;
1455 ctx
->parabuf
.vaddr
= dma_alloc_coherent(&dev
->plat_dev
->dev
,
1456 CODA_PARA_BUF_SIZE
, &ctx
->parabuf
.paddr
, GFP_KERNEL
);
1457 if (!ctx
->parabuf
.vaddr
) {
1458 v4l2_err(&dev
->v4l2_dev
, "failed to allocate parabuf");
1464 list_add(&ctx
->list
, &dev
->instances
);
1467 clk_prepare_enable(dev
->clk_per
);
1468 clk_prepare_enable(dev
->clk_ahb
);
1470 v4l2_dbg(1, coda_debug
, &dev
->v4l2_dev
, "Created instance %d (%p)\n",
1476 v4l2_fh_del(&ctx
->fh
);
1477 v4l2_fh_exit(&ctx
->fh
);
1482 static int coda_release(struct file
*file
)
1484 struct coda_dev
*dev
= video_drvdata(file
);
1485 struct coda_ctx
*ctx
= fh_to_ctx(file
->private_data
);
1487 v4l2_dbg(1, coda_debug
, &dev
->v4l2_dev
, "Releasing instance %p\n",
1491 list_del(&ctx
->list
);
1494 dma_free_coherent(&dev
->plat_dev
->dev
, CODA_PARA_BUF_SIZE
,
1495 ctx
->parabuf
.vaddr
, ctx
->parabuf
.paddr
);
1496 v4l2_m2m_ctx_release(ctx
->m2m_ctx
);
1497 v4l2_ctrl_handler_free(&ctx
->ctrls
);
1498 clk_disable_unprepare(dev
->clk_per
);
1499 clk_disable_unprepare(dev
->clk_ahb
);
1500 v4l2_fh_del(&ctx
->fh
);
1501 v4l2_fh_exit(&ctx
->fh
);
1502 clear_bit(ctx
->idx
, &dev
->instance_mask
);
1508 static unsigned int coda_poll(struct file
*file
,
1509 struct poll_table_struct
*wait
)
1511 struct coda_ctx
*ctx
= fh_to_ctx(file
->private_data
);
1515 ret
= v4l2_m2m_poll(file
, ctx
->m2m_ctx
, wait
);
1520 static int coda_mmap(struct file
*file
, struct vm_area_struct
*vma
)
1522 struct coda_ctx
*ctx
= fh_to_ctx(file
->private_data
);
1524 return v4l2_m2m_mmap(file
, ctx
->m2m_ctx
, vma
);
1527 static const struct v4l2_file_operations coda_fops
= {
1528 .owner
= THIS_MODULE
,
1530 .release
= coda_release
,
1532 .unlocked_ioctl
= video_ioctl2
,
1536 static irqreturn_t
coda_irq_handler(int irq
, void *data
)
1538 struct vb2_buffer
*src_buf
, *dst_buf
;
1539 struct coda_dev
*dev
= data
;
1540 u32 wr_ptr
, start_ptr
;
1541 struct coda_ctx
*ctx
;
1543 cancel_delayed_work(&dev
->timeout
);
1545 /* read status register to attend the IRQ */
1546 coda_read(dev
, CODA_REG_BIT_INT_STATUS
);
1547 coda_write(dev
, CODA_REG_BIT_INT_CLEAR_SET
,
1548 CODA_REG_BIT_INT_CLEAR
);
1550 ctx
= v4l2_m2m_get_curr_priv(dev
->m2m_dev
);
1552 v4l2_err(&dev
->v4l2_dev
, "Instance released before the end of transaction\n");
1556 if (ctx
->aborting
) {
1557 v4l2_dbg(1, coda_debug
, &ctx
->dev
->v4l2_dev
,
1558 "task has been aborted\n");
1562 if (coda_isbusy(ctx
->dev
)) {
1563 v4l2_dbg(1, coda_debug
, &ctx
->dev
->v4l2_dev
,
1564 "coda is still busy!!!!\n");
1568 complete(&dev
->done
);
1570 src_buf
= v4l2_m2m_src_buf_remove(ctx
->m2m_ctx
);
1571 dst_buf
= v4l2_m2m_dst_buf_remove(ctx
->m2m_ctx
);
1573 /* Get results from the coda */
1574 coda_read(dev
, CODA_RET_ENC_PIC_TYPE
);
1575 start_ptr
= coda_read(dev
, CODA_CMD_ENC_PIC_BB_START
);
1576 wr_ptr
= coda_read(dev
, CODA_REG_BIT_WR_PTR(ctx
->idx
));
1577 /* Calculate bytesused field */
1578 if (dst_buf
->v4l2_buf
.sequence
== 0) {
1579 dst_buf
->v4l2_planes
[0].bytesused
= (wr_ptr
- start_ptr
) +
1580 ctx
->vpu_header_size
[0] +
1581 ctx
->vpu_header_size
[1] +
1582 ctx
->vpu_header_size
[2];
1584 dst_buf
->v4l2_planes
[0].bytesused
= (wr_ptr
- start_ptr
);
1587 v4l2_dbg(1, coda_debug
, &ctx
->dev
->v4l2_dev
, "frame size = %u\n",
1588 wr_ptr
- start_ptr
);
1590 coda_read(dev
, CODA_RET_ENC_PIC_SLICE_NUM
);
1591 coda_read(dev
, CODA_RET_ENC_PIC_FLAG
);
1593 if (src_buf
->v4l2_buf
.flags
& V4L2_BUF_FLAG_KEYFRAME
) {
1594 dst_buf
->v4l2_buf
.flags
|= V4L2_BUF_FLAG_KEYFRAME
;
1595 dst_buf
->v4l2_buf
.flags
&= ~V4L2_BUF_FLAG_PFRAME
;
1597 dst_buf
->v4l2_buf
.flags
|= V4L2_BUF_FLAG_PFRAME
;
1598 dst_buf
->v4l2_buf
.flags
&= ~V4L2_BUF_FLAG_KEYFRAME
;
1601 v4l2_m2m_buf_done(src_buf
, VB2_BUF_STATE_DONE
);
1602 v4l2_m2m_buf_done(dst_buf
, VB2_BUF_STATE_DONE
);
1605 if (ctx
->gopcounter
< 0)
1606 ctx
->gopcounter
= ctx
->params
.gop_size
- 1;
1608 v4l2_dbg(1, coda_debug
, &dev
->v4l2_dev
,
1609 "job finished: encoding frame (%d) (%s)\n",
1610 dst_buf
->v4l2_buf
.sequence
,
1611 (dst_buf
->v4l2_buf
.flags
& V4L2_BUF_FLAG_KEYFRAME
) ?
1612 "KEYFRAME" : "PFRAME");
1614 v4l2_m2m_job_finish(ctx
->dev
->m2m_dev
, ctx
->m2m_ctx
);
1619 static void coda_timeout(struct work_struct
*work
)
1621 struct coda_ctx
*ctx
;
1622 struct coda_dev
*dev
= container_of(to_delayed_work(work
),
1623 struct coda_dev
, timeout
);
1625 if (completion_done(&dev
->done
))
1628 complete(&dev
->done
);
1630 v4l2_err(&dev
->v4l2_dev
, "CODA PIC_RUN timeout, stopping all streams\n");
1632 mutex_lock(&dev
->dev_mutex
);
1633 list_for_each_entry(ctx
, &dev
->instances
, list
) {
1634 v4l2_m2m_streamoff(NULL
, ctx
->m2m_ctx
, V4L2_BUF_TYPE_VIDEO_OUTPUT
);
1635 v4l2_m2m_streamoff(NULL
, ctx
->m2m_ctx
, V4L2_BUF_TYPE_VIDEO_CAPTURE
);
1637 mutex_unlock(&dev
->dev_mutex
);
1640 static u32 coda_supported_firmwares
[] = {
1641 CODA_FIRMWARE_VERNUM(CODA_DX6
, 2, 2, 5),
1642 CODA_FIRMWARE_VERNUM(CODA_7541
, 13, 4, 29),
1645 static bool coda_firmware_supported(u32 vernum
)
1649 for (i
= 0; i
< ARRAY_SIZE(coda_supported_firmwares
); i
++)
1650 if (vernum
== coda_supported_firmwares
[i
])
1655 static char *coda_product_name(int product
)
1665 snprintf(buf
, sizeof(buf
), "(0x%04x)", product
);
1670 static int coda_hw_init(struct coda_dev
*dev
)
1672 u16 product
, major
, minor
, release
;
1677 clk_prepare_enable(dev
->clk_per
);
1678 clk_prepare_enable(dev
->clk_ahb
);
1681 * Copy the first CODA_ISRAM_SIZE in the internal SRAM.
1682 * The 16-bit chars in the code buffer are in memory access
1683 * order, re-sort them to CODA order for register download.
1684 * Data in this SRAM survives a reboot.
1686 p
= (u16
*)dev
->codebuf
.vaddr
;
1687 if (dev
->devtype
->product
== CODA_DX6
) {
1688 for (i
= 0; i
< (CODA_ISRAM_SIZE
/ 2); i
++) {
1689 data
= CODA_DOWN_ADDRESS_SET(i
) |
1690 CODA_DOWN_DATA_SET(p
[i
^ 1]);
1691 coda_write(dev
, data
, CODA_REG_BIT_CODE_DOWN
);
1694 for (i
= 0; i
< (CODA_ISRAM_SIZE
/ 2); i
++) {
1695 data
= CODA_DOWN_ADDRESS_SET(i
) |
1696 CODA_DOWN_DATA_SET(p
[round_down(i
, 4) +
1698 coda_write(dev
, data
, CODA_REG_BIT_CODE_DOWN
);
1702 /* Tell the BIT where to find everything it needs */
1703 coda_write(dev
, dev
->workbuf
.paddr
,
1704 CODA_REG_BIT_WORK_BUF_ADDR
);
1705 coda_write(dev
, dev
->codebuf
.paddr
,
1706 CODA_REG_BIT_CODE_BUF_ADDR
);
1707 coda_write(dev
, 0, CODA_REG_BIT_CODE_RUN
);
1709 /* Set default values */
1710 switch (dev
->devtype
->product
) {
1712 coda_write(dev
, CODADX6_STREAM_BUF_PIC_FLUSH
, CODA_REG_BIT_STREAM_CTRL
);
1715 coda_write(dev
, CODA7_STREAM_BUF_PIC_FLUSH
, CODA_REG_BIT_STREAM_CTRL
);
1717 coda_write(dev
, 0, CODA_REG_BIT_FRAME_MEM_CTRL
);
1719 if (dev
->devtype
->product
!= CODA_DX6
)
1720 coda_write(dev
, 0, CODA7_REG_BIT_AXI_SRAM_USE
);
1722 coda_write(dev
, CODA_INT_INTERRUPT_ENABLE
,
1723 CODA_REG_BIT_INT_ENABLE
);
1725 /* Reset VPU and start processor */
1726 data
= coda_read(dev
, CODA_REG_BIT_CODE_RESET
);
1727 data
|= CODA_REG_RESET_ENABLE
;
1728 coda_write(dev
, data
, CODA_REG_BIT_CODE_RESET
);
1730 data
&= ~CODA_REG_RESET_ENABLE
;
1731 coda_write(dev
, data
, CODA_REG_BIT_CODE_RESET
);
1732 coda_write(dev
, CODA_REG_RUN_ENABLE
, CODA_REG_BIT_CODE_RUN
);
1735 coda_write(dev
, 0, CODA_CMD_FIRMWARE_VERNUM
);
1736 coda_write(dev
, CODA_REG_BIT_BUSY_FLAG
, CODA_REG_BIT_BUSY
);
1737 coda_write(dev
, 0, CODA_REG_BIT_RUN_INDEX
);
1738 coda_write(dev
, 0, CODA_REG_BIT_RUN_COD_STD
);
1739 coda_write(dev
, CODA_COMMAND_FIRMWARE_GET
, CODA_REG_BIT_RUN_COMMAND
);
1740 if (coda_wait_timeout(dev
)) {
1741 clk_disable_unprepare(dev
->clk_per
);
1742 clk_disable_unprepare(dev
->clk_ahb
);
1743 v4l2_err(&dev
->v4l2_dev
, "firmware get command error\n");
1747 /* Check we are compatible with the loaded firmware */
1748 data
= coda_read(dev
, CODA_CMD_FIRMWARE_VERNUM
);
1749 product
= CODA_FIRMWARE_PRODUCT(data
);
1750 major
= CODA_FIRMWARE_MAJOR(data
);
1751 minor
= CODA_FIRMWARE_MINOR(data
);
1752 release
= CODA_FIRMWARE_RELEASE(data
);
1754 clk_disable_unprepare(dev
->clk_per
);
1755 clk_disable_unprepare(dev
->clk_ahb
);
1757 if (product
!= dev
->devtype
->product
) {
1758 v4l2_err(&dev
->v4l2_dev
, "Wrong firmware. Hw: %s, Fw: %s,"
1759 " Version: %u.%u.%u\n",
1760 coda_product_name(dev
->devtype
->product
),
1761 coda_product_name(product
), major
, minor
, release
);
1765 v4l2_info(&dev
->v4l2_dev
, "Initialized %s.\n",
1766 coda_product_name(product
));
1768 if (coda_firmware_supported(data
)) {
1769 v4l2_info(&dev
->v4l2_dev
, "Firmware version: %u.%u.%u\n",
1770 major
, minor
, release
);
1772 v4l2_warn(&dev
->v4l2_dev
, "Unsupported firmware version: "
1773 "%u.%u.%u\n", major
, minor
, release
);
1779 static void coda_fw_callback(const struct firmware
*fw
, void *context
)
1781 struct coda_dev
*dev
= context
;
1782 struct platform_device
*pdev
= dev
->plat_dev
;
1786 v4l2_err(&dev
->v4l2_dev
, "firmware request failed\n");
1790 /* allocate auxiliary per-device code buffer for the BIT processor */
1791 dev
->codebuf
.size
= fw
->size
;
1792 dev
->codebuf
.vaddr
= dma_alloc_coherent(&pdev
->dev
, fw
->size
,
1793 &dev
->codebuf
.paddr
,
1795 if (!dev
->codebuf
.vaddr
) {
1796 dev_err(&pdev
->dev
, "failed to allocate code buffer\n");
1800 /* Copy the whole firmware image to the code buffer */
1801 memcpy(dev
->codebuf
.vaddr
, fw
->data
, fw
->size
);
1802 release_firmware(fw
);
1804 ret
= coda_hw_init(dev
);
1806 v4l2_err(&dev
->v4l2_dev
, "HW initialization failed\n");
1810 dev
->vfd
.fops
= &coda_fops
,
1811 dev
->vfd
.ioctl_ops
= &coda_ioctl_ops
;
1812 dev
->vfd
.release
= video_device_release_empty
,
1813 dev
->vfd
.lock
= &dev
->dev_mutex
;
1814 dev
->vfd
.v4l2_dev
= &dev
->v4l2_dev
;
1815 dev
->vfd
.vfl_dir
= VFL_DIR_M2M
;
1816 snprintf(dev
->vfd
.name
, sizeof(dev
->vfd
.name
), "%s", CODA_NAME
);
1817 video_set_drvdata(&dev
->vfd
, dev
);
1819 dev
->alloc_ctx
= vb2_dma_contig_init_ctx(&pdev
->dev
);
1820 if (IS_ERR(dev
->alloc_ctx
)) {
1821 v4l2_err(&dev
->v4l2_dev
, "Failed to alloc vb2 context\n");
1825 dev
->m2m_dev
= v4l2_m2m_init(&coda_m2m_ops
);
1826 if (IS_ERR(dev
->m2m_dev
)) {
1827 v4l2_err(&dev
->v4l2_dev
, "Failed to init mem2mem device\n");
1831 ret
= video_register_device(&dev
->vfd
, VFL_TYPE_GRABBER
, 0);
1833 v4l2_err(&dev
->v4l2_dev
, "Failed to register video device\n");
1836 v4l2_info(&dev
->v4l2_dev
, "codec registered as /dev/video%d\n",
1842 v4l2_m2m_release(dev
->m2m_dev
);
1844 vb2_dma_contig_cleanup_ctx(dev
->alloc_ctx
);
1847 static int coda_firmware_request(struct coda_dev
*dev
)
1849 char *fw
= dev
->devtype
->firmware
;
1851 dev_dbg(&dev
->plat_dev
->dev
, "requesting firmware '%s' for %s\n", fw
,
1852 coda_product_name(dev
->devtype
->product
));
1854 return request_firmware_nowait(THIS_MODULE
, true,
1855 fw
, &dev
->plat_dev
->dev
, GFP_KERNEL
, dev
, coda_fw_callback
);
1858 enum coda_platform
{
1863 static const struct coda_devtype coda_devdata
[] = {
1865 .firmware
= "v4l-codadx6-imx27.bin",
1866 .product
= CODA_DX6
,
1867 .formats
= codadx6_formats
,
1868 .num_formats
= ARRAY_SIZE(codadx6_formats
),
1871 .firmware
= "v4l-coda7541-imx53.bin",
1872 .product
= CODA_7541
,
1873 .formats
= coda7_formats
,
1874 .num_formats
= ARRAY_SIZE(coda7_formats
),
1878 static struct platform_device_id coda_platform_ids
[] = {
1879 { .name
= "coda-imx27", .driver_data
= CODA_IMX27
},
1880 { .name
= "coda-imx53", .driver_data
= CODA_IMX53
},
1883 MODULE_DEVICE_TABLE(platform
, coda_platform_ids
);
1886 static const struct of_device_id coda_dt_ids
[] = {
1887 { .compatible
= "fsl,imx27-vpu", .data
= &coda_platform_ids
[CODA_IMX27
] },
1888 { .compatible
= "fsl,imx53-vpu", .data
= &coda_devdata
[CODA_IMX53
] },
1891 MODULE_DEVICE_TABLE(of
, coda_dt_ids
);
1894 static int coda_probe(struct platform_device
*pdev
)
1896 const struct of_device_id
*of_id
=
1897 of_match_device(of_match_ptr(coda_dt_ids
), &pdev
->dev
);
1898 const struct platform_device_id
*pdev_id
;
1899 struct coda_dev
*dev
;
1900 struct resource
*res
;
1903 dev
= devm_kzalloc(&pdev
->dev
, sizeof *dev
, GFP_KERNEL
);
1905 dev_err(&pdev
->dev
, "Not enough memory for %s\n",
1910 spin_lock_init(&dev
->irqlock
);
1911 INIT_LIST_HEAD(&dev
->instances
);
1912 INIT_DELAYED_WORK(&dev
->timeout
, coda_timeout
);
1913 init_completion(&dev
->done
);
1914 complete(&dev
->done
);
1916 dev
->plat_dev
= pdev
;
1917 dev
->clk_per
= devm_clk_get(&pdev
->dev
, "per");
1918 if (IS_ERR(dev
->clk_per
)) {
1919 dev_err(&pdev
->dev
, "Could not get per clock\n");
1920 return PTR_ERR(dev
->clk_per
);
1923 dev
->clk_ahb
= devm_clk_get(&pdev
->dev
, "ahb");
1924 if (IS_ERR(dev
->clk_ahb
)) {
1925 dev_err(&pdev
->dev
, "Could not get ahb clock\n");
1926 return PTR_ERR(dev
->clk_ahb
);
1929 /* Get memory for physical registers */
1930 res
= platform_get_resource(pdev
, IORESOURCE_MEM
, 0);
1932 dev_err(&pdev
->dev
, "failed to get memory region resource\n");
1936 if (devm_request_mem_region(&pdev
->dev
, res
->start
,
1937 resource_size(res
), CODA_NAME
) == NULL
) {
1938 dev_err(&pdev
->dev
, "failed to request memory region\n");
1941 dev
->regs_base
= devm_ioremap(&pdev
->dev
, res
->start
,
1942 resource_size(res
));
1943 if (!dev
->regs_base
) {
1944 dev_err(&pdev
->dev
, "failed to ioremap address region\n");
1949 irq
= platform_get_irq(pdev
, 0);
1951 dev_err(&pdev
->dev
, "failed to get irq resource\n");
1955 if (devm_request_irq(&pdev
->dev
, irq
, coda_irq_handler
,
1956 0, CODA_NAME
, dev
) < 0) {
1957 dev_err(&pdev
->dev
, "failed to request irq\n");
1961 ret
= v4l2_device_register(&pdev
->dev
, &dev
->v4l2_dev
);
1965 mutex_init(&dev
->dev_mutex
);
1967 pdev_id
= of_id
? of_id
->data
: platform_get_device_id(pdev
);
1970 dev
->devtype
= of_id
->data
;
1971 } else if (pdev_id
) {
1972 dev
->devtype
= &coda_devdata
[pdev_id
->driver_data
];
1974 v4l2_device_unregister(&dev
->v4l2_dev
);
1978 /* allocate auxiliary per-device buffers for the BIT processor */
1979 switch (dev
->devtype
->product
) {
1981 dev
->workbuf
.size
= CODADX6_WORK_BUF_SIZE
;
1984 dev
->workbuf
.size
= CODA7_WORK_BUF_SIZE
;
1986 dev
->workbuf
.vaddr
= dma_alloc_coherent(&pdev
->dev
, dev
->workbuf
.size
,
1987 &dev
->workbuf
.paddr
,
1989 if (!dev
->workbuf
.vaddr
) {
1990 dev_err(&pdev
->dev
, "failed to allocate work buffer\n");
1991 v4l2_device_unregister(&dev
->v4l2_dev
);
1995 if (dev
->devtype
->product
== CODA_DX6
) {
1996 dev
->iram_paddr
= 0xffff4c00;
1998 void __iomem
*iram_vaddr
;
2000 iram_vaddr
= iram_alloc(CODA7_IRAM_SIZE
,
2003 dev_err(&pdev
->dev
, "unable to alloc iram\n");
2008 platform_set_drvdata(pdev
, dev
);
2010 return coda_firmware_request(dev
);
2013 static int coda_remove(struct platform_device
*pdev
)
2015 struct coda_dev
*dev
= platform_get_drvdata(pdev
);
2017 video_unregister_device(&dev
->vfd
);
2019 v4l2_m2m_release(dev
->m2m_dev
);
2021 vb2_dma_contig_cleanup_ctx(dev
->alloc_ctx
);
2022 v4l2_device_unregister(&dev
->v4l2_dev
);
2023 if (dev
->iram_paddr
)
2024 iram_free(dev
->iram_paddr
, CODA7_IRAM_SIZE
);
2025 if (dev
->codebuf
.vaddr
)
2026 dma_free_coherent(&pdev
->dev
, dev
->codebuf
.size
,
2027 &dev
->codebuf
.vaddr
, dev
->codebuf
.paddr
);
2028 if (dev
->workbuf
.vaddr
)
2029 dma_free_coherent(&pdev
->dev
, dev
->workbuf
.size
, &dev
->workbuf
.vaddr
,
2030 dev
->workbuf
.paddr
);
2034 static struct platform_driver coda_driver
= {
2035 .probe
= coda_probe
,
2036 .remove
= coda_remove
,
2039 .owner
= THIS_MODULE
,
2040 .of_match_table
= of_match_ptr(coda_dt_ids
),
2042 .id_table
= coda_platform_ids
,
2045 module_platform_driver(coda_driver
);
2047 MODULE_LICENSE("GPL");
2048 MODULE_AUTHOR("Javier Martin <javier.martin@vista-silicon.com>");
2049 MODULE_DESCRIPTION("Coda multi-standard codec V4L2 driver");