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>
27 #include <mach/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
;
158 struct coda_dev
*dev
;
159 struct list_head list
;
164 struct coda_q_data q_data
[2];
165 enum coda_inst_type inst_type
;
166 enum v4l2_colorspace colorspace
;
167 struct coda_params params
;
168 struct v4l2_m2m_ctx
*m2m_ctx
;
169 struct v4l2_ctrl_handler ctrls
;
172 char vpu_header
[3][64];
173 int vpu_header_size
[3];
174 struct coda_aux_buf parabuf
;
175 struct coda_aux_buf internal_frames
[CODA_MAX_FRAMEBUFFERS
];
176 int num_internal_frames
;
180 static inline void coda_write(struct coda_dev
*dev
, u32 data
, u32 reg
)
182 v4l2_dbg(1, coda_debug
, &dev
->v4l2_dev
,
183 "%s: data=0x%x, reg=0x%x\n", __func__
, data
, reg
);
184 writel(data
, dev
->regs_base
+ reg
);
187 static inline unsigned int coda_read(struct coda_dev
*dev
, u32 reg
)
190 data
= readl(dev
->regs_base
+ reg
);
191 v4l2_dbg(1, coda_debug
, &dev
->v4l2_dev
,
192 "%s: data=0x%x, reg=0x%x\n", __func__
, data
, reg
);
196 static inline unsigned long coda_isbusy(struct coda_dev
*dev
)
198 return coda_read(dev
, CODA_REG_BIT_BUSY
);
201 static inline int coda_is_initialized(struct coda_dev
*dev
)
203 return (coda_read(dev
, CODA_REG_BIT_CUR_PC
) != 0);
206 static int coda_wait_timeout(struct coda_dev
*dev
)
208 unsigned long timeout
= jiffies
+ msecs_to_jiffies(1000);
210 while (coda_isbusy(dev
)) {
211 if (time_after(jiffies
, timeout
))
217 static void coda_command_async(struct coda_ctx
*ctx
, int cmd
)
219 struct coda_dev
*dev
= ctx
->dev
;
220 coda_write(dev
, CODA_REG_BIT_BUSY_FLAG
, CODA_REG_BIT_BUSY
);
222 coda_write(dev
, ctx
->idx
, CODA_REG_BIT_RUN_INDEX
);
223 coda_write(dev
, ctx
->params
.codec_mode
, CODA_REG_BIT_RUN_COD_STD
);
224 coda_write(dev
, cmd
, CODA_REG_BIT_RUN_COMMAND
);
227 static int coda_command_sync(struct coda_ctx
*ctx
, int cmd
)
229 struct coda_dev
*dev
= ctx
->dev
;
231 coda_command_async(ctx
, cmd
);
232 return coda_wait_timeout(dev
);
235 static struct coda_q_data
*get_q_data(struct coda_ctx
*ctx
,
236 enum v4l2_buf_type type
)
239 case V4L2_BUF_TYPE_VIDEO_OUTPUT
:
240 return &(ctx
->q_data
[V4L2_M2M_SRC
]);
241 case V4L2_BUF_TYPE_VIDEO_CAPTURE
:
242 return &(ctx
->q_data
[V4L2_M2M_DST
]);
250 * Add one array of supported formats for each version of Coda:
255 static struct coda_fmt codadx6_formats
[] = {
257 .name
= "YUV 4:2:0 Planar",
258 .fourcc
= V4L2_PIX_FMT_YUV420
,
259 .type
= CODA_FMT_RAW
,
262 .name
= "H264 Encoded Stream",
263 .fourcc
= V4L2_PIX_FMT_H264
,
264 .type
= CODA_FMT_ENC
,
267 .name
= "MPEG4 Encoded Stream",
268 .fourcc
= V4L2_PIX_FMT_MPEG4
,
269 .type
= CODA_FMT_ENC
,
273 static struct coda_fmt coda7_formats
[] = {
275 .name
= "YUV 4:2:0 Planar",
276 .fourcc
= V4L2_PIX_FMT_YUV420
,
277 .type
= CODA_FMT_RAW
,
280 .name
= "H264 Encoded Stream",
281 .fourcc
= V4L2_PIX_FMT_H264
,
282 .type
= CODA_FMT_ENC
,
285 .name
= "MPEG4 Encoded Stream",
286 .fourcc
= V4L2_PIX_FMT_MPEG4
,
287 .type
= CODA_FMT_ENC
,
291 static struct coda_fmt
*find_format(struct coda_dev
*dev
, struct v4l2_format
*f
)
293 struct coda_fmt
*formats
= dev
->devtype
->formats
;
294 int num_formats
= dev
->devtype
->num_formats
;
297 for (k
= 0; k
< num_formats
; k
++) {
298 if (formats
[k
].fourcc
== f
->fmt
.pix
.pixelformat
)
302 if (k
== num_formats
)
309 * V4L2 ioctl() operations.
311 static int vidioc_querycap(struct file
*file
, void *priv
,
312 struct v4l2_capability
*cap
)
314 strlcpy(cap
->driver
, CODA_NAME
, sizeof(cap
->driver
));
315 strlcpy(cap
->card
, CODA_NAME
, sizeof(cap
->card
));
316 strlcpy(cap
->bus_info
, CODA_NAME
, sizeof(cap
->bus_info
));
318 * This is only a mem-to-mem video device. The capture and output
319 * device capability flags are left only for backward compatibility
320 * and are scheduled for removal.
322 cap
->device_caps
= V4L2_CAP_VIDEO_CAPTURE
| V4L2_CAP_VIDEO_OUTPUT
|
323 V4L2_CAP_VIDEO_M2M
| V4L2_CAP_STREAMING
;
324 cap
->capabilities
= cap
->device_caps
| V4L2_CAP_DEVICE_CAPS
;
329 static int enum_fmt(void *priv
, struct v4l2_fmtdesc
*f
,
330 enum coda_fmt_type type
)
332 struct coda_ctx
*ctx
= fh_to_ctx(priv
);
333 struct coda_dev
*dev
= ctx
->dev
;
334 struct coda_fmt
*formats
= dev
->devtype
->formats
;
335 struct coda_fmt
*fmt
;
336 int num_formats
= dev
->devtype
->num_formats
;
339 for (i
= 0; i
< num_formats
; i
++) {
340 if (formats
[i
].type
== type
) {
347 if (i
< num_formats
) {
349 strlcpy(f
->description
, fmt
->name
, sizeof(f
->description
));
350 f
->pixelformat
= fmt
->fourcc
;
354 /* Format not found */
358 static int vidioc_enum_fmt_vid_cap(struct file
*file
, void *priv
,
359 struct v4l2_fmtdesc
*f
)
361 return enum_fmt(priv
, f
, CODA_FMT_ENC
);
364 static int vidioc_enum_fmt_vid_out(struct file
*file
, void *priv
,
365 struct v4l2_fmtdesc
*f
)
367 return enum_fmt(priv
, f
, CODA_FMT_RAW
);
370 static int vidioc_g_fmt(struct file
*file
, void *priv
, struct v4l2_format
*f
)
372 struct vb2_queue
*vq
;
373 struct coda_q_data
*q_data
;
374 struct coda_ctx
*ctx
= fh_to_ctx(priv
);
376 vq
= v4l2_m2m_get_vq(ctx
->m2m_ctx
, f
->type
);
380 q_data
= get_q_data(ctx
, f
->type
);
382 f
->fmt
.pix
.field
= V4L2_FIELD_NONE
;
383 f
->fmt
.pix
.pixelformat
= q_data
->fmt
->fourcc
;
384 f
->fmt
.pix
.width
= q_data
->width
;
385 f
->fmt
.pix
.height
= q_data
->height
;
386 if (f
->fmt
.pix
.pixelformat
== V4L2_PIX_FMT_YUV420
)
387 f
->fmt
.pix
.bytesperline
= round_up(f
->fmt
.pix
.width
, 2);
388 else /* encoded formats h.264/mpeg4 */
389 f
->fmt
.pix
.bytesperline
= 0;
391 f
->fmt
.pix
.sizeimage
= q_data
->sizeimage
;
392 f
->fmt
.pix
.colorspace
= ctx
->colorspace
;
397 static int vidioc_try_fmt(struct coda_dev
*dev
, struct v4l2_format
*f
)
399 enum v4l2_field field
;
401 field
= f
->fmt
.pix
.field
;
402 if (field
== V4L2_FIELD_ANY
)
403 field
= V4L2_FIELD_NONE
;
404 else if (V4L2_FIELD_NONE
!= field
)
407 /* V4L2 specification suggests the driver corrects the format struct
408 * if any of the dimensions is unsupported */
409 f
->fmt
.pix
.field
= field
;
411 if (f
->fmt
.pix
.pixelformat
== V4L2_PIX_FMT_YUV420
) {
412 v4l_bound_align_image(&f
->fmt
.pix
.width
, MIN_W
, MAX_W
,
413 W_ALIGN
, &f
->fmt
.pix
.height
,
414 MIN_H
, MAX_H
, H_ALIGN
, S_ALIGN
);
415 f
->fmt
.pix
.bytesperline
= round_up(f
->fmt
.pix
.width
, 2);
416 f
->fmt
.pix
.sizeimage
= f
->fmt
.pix
.width
*
417 f
->fmt
.pix
.height
* 3 / 2;
418 } else { /*encoded formats h.264/mpeg4 */
419 f
->fmt
.pix
.bytesperline
= 0;
420 f
->fmt
.pix
.sizeimage
= CODA_MAX_FRAME_SIZE
;
426 static int vidioc_try_fmt_vid_cap(struct file
*file
, void *priv
,
427 struct v4l2_format
*f
)
430 struct coda_fmt
*fmt
;
431 struct coda_ctx
*ctx
= fh_to_ctx(priv
);
433 fmt
= find_format(ctx
->dev
, f
);
435 * Since decoding support is not implemented yet do not allow
436 * CODA_FMT_RAW formats in the capture interface.
438 if (!fmt
|| !(fmt
->type
== CODA_FMT_ENC
))
439 f
->fmt
.pix
.pixelformat
= V4L2_PIX_FMT_H264
;
441 f
->fmt
.pix
.colorspace
= ctx
->colorspace
;
443 ret
= vidioc_try_fmt(ctx
->dev
, f
);
450 static int vidioc_try_fmt_vid_out(struct file
*file
, void *priv
,
451 struct v4l2_format
*f
)
453 struct coda_ctx
*ctx
= fh_to_ctx(priv
);
454 struct coda_fmt
*fmt
;
457 fmt
= find_format(ctx
->dev
, f
);
459 * Since decoding support is not implemented yet do not allow
460 * CODA_FMT formats in the capture interface.
462 if (!fmt
|| !(fmt
->type
== CODA_FMT_RAW
))
463 f
->fmt
.pix
.pixelformat
= V4L2_PIX_FMT_YUV420
;
465 if (!f
->fmt
.pix
.colorspace
)
466 f
->fmt
.pix
.colorspace
= V4L2_COLORSPACE_REC709
;
468 ret
= vidioc_try_fmt(ctx
->dev
, f
);
475 static int vidioc_s_fmt(struct coda_ctx
*ctx
, struct v4l2_format
*f
)
477 struct coda_q_data
*q_data
;
478 struct vb2_queue
*vq
;
481 vq
= v4l2_m2m_get_vq(ctx
->m2m_ctx
, f
->type
);
485 q_data
= get_q_data(ctx
, f
->type
);
489 if (vb2_is_busy(vq
)) {
490 v4l2_err(&ctx
->dev
->v4l2_dev
, "%s queue busy\n", __func__
);
494 ret
= vidioc_try_fmt(ctx
->dev
, f
);
498 q_data
->fmt
= find_format(ctx
->dev
, f
);
499 q_data
->width
= f
->fmt
.pix
.width
;
500 q_data
->height
= f
->fmt
.pix
.height
;
501 q_data
->sizeimage
= f
->fmt
.pix
.sizeimage
;
503 v4l2_dbg(1, coda_debug
, &ctx
->dev
->v4l2_dev
,
504 "Setting format for type %d, wxh: %dx%d, fmt: %d\n",
505 f
->type
, q_data
->width
, q_data
->height
, q_data
->fmt
->fourcc
);
510 static int vidioc_s_fmt_vid_cap(struct file
*file
, void *priv
,
511 struct v4l2_format
*f
)
515 ret
= vidioc_try_fmt_vid_cap(file
, priv
, f
);
519 return vidioc_s_fmt(fh_to_ctx(priv
), f
);
522 static int vidioc_s_fmt_vid_out(struct file
*file
, void *priv
,
523 struct v4l2_format
*f
)
525 struct coda_ctx
*ctx
= fh_to_ctx(priv
);
528 ret
= vidioc_try_fmt_vid_out(file
, priv
, f
);
532 ret
= vidioc_s_fmt(ctx
, f
);
534 ctx
->colorspace
= f
->fmt
.pix
.colorspace
;
539 static int vidioc_reqbufs(struct file
*file
, void *priv
,
540 struct v4l2_requestbuffers
*reqbufs
)
542 struct coda_ctx
*ctx
= fh_to_ctx(priv
);
544 return v4l2_m2m_reqbufs(file
, ctx
->m2m_ctx
, reqbufs
);
547 static int vidioc_querybuf(struct file
*file
, void *priv
,
548 struct v4l2_buffer
*buf
)
550 struct coda_ctx
*ctx
= fh_to_ctx(priv
);
552 return v4l2_m2m_querybuf(file
, ctx
->m2m_ctx
, buf
);
555 static int vidioc_qbuf(struct file
*file
, void *priv
, struct v4l2_buffer
*buf
)
557 struct coda_ctx
*ctx
= fh_to_ctx(priv
);
559 return v4l2_m2m_qbuf(file
, ctx
->m2m_ctx
, buf
);
562 static int vidioc_dqbuf(struct file
*file
, void *priv
, struct v4l2_buffer
*buf
)
564 struct coda_ctx
*ctx
= fh_to_ctx(priv
);
566 return v4l2_m2m_dqbuf(file
, ctx
->m2m_ctx
, buf
);
569 static int vidioc_streamon(struct file
*file
, void *priv
,
570 enum v4l2_buf_type type
)
572 struct coda_ctx
*ctx
= fh_to_ctx(priv
);
574 return v4l2_m2m_streamon(file
, ctx
->m2m_ctx
, type
);
577 static int vidioc_streamoff(struct file
*file
, void *priv
,
578 enum v4l2_buf_type type
)
580 struct coda_ctx
*ctx
= fh_to_ctx(priv
);
582 return v4l2_m2m_streamoff(file
, ctx
->m2m_ctx
, type
);
585 static const struct v4l2_ioctl_ops coda_ioctl_ops
= {
586 .vidioc_querycap
= vidioc_querycap
,
588 .vidioc_enum_fmt_vid_cap
= vidioc_enum_fmt_vid_cap
,
589 .vidioc_g_fmt_vid_cap
= vidioc_g_fmt
,
590 .vidioc_try_fmt_vid_cap
= vidioc_try_fmt_vid_cap
,
591 .vidioc_s_fmt_vid_cap
= vidioc_s_fmt_vid_cap
,
593 .vidioc_enum_fmt_vid_out
= vidioc_enum_fmt_vid_out
,
594 .vidioc_g_fmt_vid_out
= vidioc_g_fmt
,
595 .vidioc_try_fmt_vid_out
= vidioc_try_fmt_vid_out
,
596 .vidioc_s_fmt_vid_out
= vidioc_s_fmt_vid_out
,
598 .vidioc_reqbufs
= vidioc_reqbufs
,
599 .vidioc_querybuf
= vidioc_querybuf
,
601 .vidioc_qbuf
= vidioc_qbuf
,
602 .vidioc_dqbuf
= vidioc_dqbuf
,
604 .vidioc_streamon
= vidioc_streamon
,
605 .vidioc_streamoff
= vidioc_streamoff
,
609 * Mem-to-mem operations.
611 static void coda_device_run(void *m2m_priv
)
613 struct coda_ctx
*ctx
= m2m_priv
;
614 struct coda_q_data
*q_data_src
, *q_data_dst
;
615 struct vb2_buffer
*src_buf
, *dst_buf
;
616 struct coda_dev
*dev
= ctx
->dev
;
619 u32 picture_y
, picture_cb
, picture_cr
;
620 u32 pic_stream_buffer_addr
, pic_stream_buffer_size
;
623 src_buf
= v4l2_m2m_next_src_buf(ctx
->m2m_ctx
);
624 dst_buf
= v4l2_m2m_next_dst_buf(ctx
->m2m_ctx
);
625 q_data_src
= get_q_data(ctx
, V4L2_BUF_TYPE_VIDEO_OUTPUT
);
626 q_data_dst
= get_q_data(ctx
, V4L2_BUF_TYPE_VIDEO_CAPTURE
);
627 dst_fourcc
= q_data_dst
->fmt
->fourcc
;
629 src_buf
->v4l2_buf
.sequence
= ctx
->isequence
;
630 dst_buf
->v4l2_buf
.sequence
= ctx
->isequence
;
634 * Workaround coda firmware BUG that only marks the first
635 * frame as IDR. This is a problem for some decoders that can't
636 * recover when a frame is lost.
638 if (src_buf
->v4l2_buf
.sequence
% ctx
->params
.gop_size
) {
639 src_buf
->v4l2_buf
.flags
|= V4L2_BUF_FLAG_PFRAME
;
640 src_buf
->v4l2_buf
.flags
&= ~V4L2_BUF_FLAG_KEYFRAME
;
642 src_buf
->v4l2_buf
.flags
|= V4L2_BUF_FLAG_KEYFRAME
;
643 src_buf
->v4l2_buf
.flags
&= ~V4L2_BUF_FLAG_PFRAME
;
647 * Copy headers at the beginning of the first frame for H.264 only.
648 * In MPEG4 they are already copied by the coda.
650 if (src_buf
->v4l2_buf
.sequence
== 0) {
651 pic_stream_buffer_addr
=
652 vb2_dma_contig_plane_dma_addr(dst_buf
, 0) +
653 ctx
->vpu_header_size
[0] +
654 ctx
->vpu_header_size
[1] +
655 ctx
->vpu_header_size
[2];
656 pic_stream_buffer_size
= CODA_MAX_FRAME_SIZE
-
657 ctx
->vpu_header_size
[0] -
658 ctx
->vpu_header_size
[1] -
659 ctx
->vpu_header_size
[2];
660 memcpy(vb2_plane_vaddr(dst_buf
, 0),
661 &ctx
->vpu_header
[0][0], ctx
->vpu_header_size
[0]);
662 memcpy(vb2_plane_vaddr(dst_buf
, 0) + ctx
->vpu_header_size
[0],
663 &ctx
->vpu_header
[1][0], ctx
->vpu_header_size
[1]);
664 memcpy(vb2_plane_vaddr(dst_buf
, 0) + ctx
->vpu_header_size
[0] +
665 ctx
->vpu_header_size
[1], &ctx
->vpu_header
[2][0],
666 ctx
->vpu_header_size
[2]);
668 pic_stream_buffer_addr
=
669 vb2_dma_contig_plane_dma_addr(dst_buf
, 0);
670 pic_stream_buffer_size
= CODA_MAX_FRAME_SIZE
;
673 if (src_buf
->v4l2_buf
.flags
& V4L2_BUF_FLAG_KEYFRAME
) {
675 switch (dst_fourcc
) {
676 case V4L2_PIX_FMT_H264
:
677 quant_param
= ctx
->params
.h264_intra_qp
;
679 case V4L2_PIX_FMT_MPEG4
:
680 quant_param
= ctx
->params
.mpeg4_intra_qp
;
683 v4l2_warn(&ctx
->dev
->v4l2_dev
,
684 "cannot set intra qp, fmt not supported\n");
689 switch (dst_fourcc
) {
690 case V4L2_PIX_FMT_H264
:
691 quant_param
= ctx
->params
.h264_inter_qp
;
693 case V4L2_PIX_FMT_MPEG4
:
694 quant_param
= ctx
->params
.mpeg4_inter_qp
;
697 v4l2_warn(&ctx
->dev
->v4l2_dev
,
698 "cannot set inter qp, fmt not supported\n");
704 coda_write(dev
, CODA_ROT_MIR_ENABLE
| ctx
->params
.rot_mode
, CODA_CMD_ENC_PIC_ROT_MODE
);
705 coda_write(dev
, quant_param
, CODA_CMD_ENC_PIC_QS
);
708 picture_y
= vb2_dma_contig_plane_dma_addr(src_buf
, 0);
709 picture_cb
= picture_y
+ q_data_src
->width
* q_data_src
->height
;
710 picture_cr
= picture_cb
+ q_data_src
->width
/ 2 *
711 q_data_src
->height
/ 2;
713 coda_write(dev
, picture_y
, CODA_CMD_ENC_PIC_SRC_ADDR_Y
);
714 coda_write(dev
, picture_cb
, CODA_CMD_ENC_PIC_SRC_ADDR_CB
);
715 coda_write(dev
, picture_cr
, CODA_CMD_ENC_PIC_SRC_ADDR_CR
);
716 coda_write(dev
, force_ipicture
<< 1 & 0x2,
717 CODA_CMD_ENC_PIC_OPTION
);
719 coda_write(dev
, pic_stream_buffer_addr
, CODA_CMD_ENC_PIC_BB_START
);
720 coda_write(dev
, pic_stream_buffer_size
/ 1024,
721 CODA_CMD_ENC_PIC_BB_SIZE
);
723 if (dev
->devtype
->product
== CODA_7541
) {
724 coda_write(dev
, CODA7_USE_BIT_ENABLE
| CODA7_USE_HOST_BIT_ENABLE
|
725 CODA7_USE_ME_ENABLE
| CODA7_USE_HOST_ME_ENABLE
,
726 CODA7_REG_BIT_AXI_SRAM_USE
);
729 /* 1 second timeout in case CODA locks up */
730 schedule_delayed_work(&dev
->timeout
, HZ
);
732 INIT_COMPLETION(dev
->done
);
733 coda_command_async(ctx
, CODA_COMMAND_PIC_RUN
);
736 static int coda_job_ready(void *m2m_priv
)
738 struct coda_ctx
*ctx
= m2m_priv
;
741 * For both 'P' and 'key' frame cases 1 picture
742 * and 1 frame are needed.
744 if (!v4l2_m2m_num_src_bufs_ready(ctx
->m2m_ctx
) ||
745 !v4l2_m2m_num_dst_bufs_ready(ctx
->m2m_ctx
)) {
746 v4l2_dbg(1, coda_debug
, &ctx
->dev
->v4l2_dev
,
747 "not ready: not enough video buffers.\n");
751 v4l2_dbg(1, coda_debug
, &ctx
->dev
->v4l2_dev
,
756 static void coda_job_abort(void *priv
)
758 struct coda_ctx
*ctx
= priv
;
759 struct coda_dev
*dev
= ctx
->dev
;
763 v4l2_dbg(1, coda_debug
, &ctx
->dev
->v4l2_dev
,
766 v4l2_m2m_job_finish(dev
->m2m_dev
, ctx
->m2m_ctx
);
769 static void coda_lock(void *m2m_priv
)
771 struct coda_ctx
*ctx
= m2m_priv
;
772 struct coda_dev
*pcdev
= ctx
->dev
;
773 mutex_lock(&pcdev
->dev_mutex
);
776 static void coda_unlock(void *m2m_priv
)
778 struct coda_ctx
*ctx
= m2m_priv
;
779 struct coda_dev
*pcdev
= ctx
->dev
;
780 mutex_unlock(&pcdev
->dev_mutex
);
783 static struct v4l2_m2m_ops coda_m2m_ops
= {
784 .device_run
= coda_device_run
,
785 .job_ready
= coda_job_ready
,
786 .job_abort
= coda_job_abort
,
788 .unlock
= coda_unlock
,
791 static void set_default_params(struct coda_ctx
*ctx
)
793 struct coda_dev
*dev
= ctx
->dev
;
795 ctx
->params
.codec_mode
= CODA_MODE_INVALID
;
796 ctx
->colorspace
= V4L2_COLORSPACE_REC709
;
797 ctx
->params
.framerate
= 30;
800 /* Default formats for output and input queues */
801 ctx
->q_data
[V4L2_M2M_SRC
].fmt
= &dev
->devtype
->formats
[0];
802 ctx
->q_data
[V4L2_M2M_DST
].fmt
= &dev
->devtype
->formats
[1];
803 ctx
->q_data
[V4L2_M2M_SRC
].width
= MAX_W
;
804 ctx
->q_data
[V4L2_M2M_SRC
].height
= MAX_H
;
805 ctx
->q_data
[V4L2_M2M_SRC
].sizeimage
= (MAX_W
* MAX_H
* 3) / 2;
806 ctx
->q_data
[V4L2_M2M_DST
].width
= MAX_W
;
807 ctx
->q_data
[V4L2_M2M_DST
].height
= MAX_H
;
808 ctx
->q_data
[V4L2_M2M_DST
].sizeimage
= CODA_MAX_FRAME_SIZE
;
814 static int coda_queue_setup(struct vb2_queue
*vq
,
815 const struct v4l2_format
*fmt
,
816 unsigned int *nbuffers
, unsigned int *nplanes
,
817 unsigned int sizes
[], void *alloc_ctxs
[])
819 struct coda_ctx
*ctx
= vb2_get_drv_priv(vq
);
822 if (vq
->type
== V4L2_BUF_TYPE_VIDEO_OUTPUT
) {
824 size
= fmt
->fmt
.pix
.width
*
825 fmt
->fmt
.pix
.height
* 3 / 2;
830 size
= CODA_MAX_FRAME_SIZE
;
836 alloc_ctxs
[0] = ctx
->dev
->alloc_ctx
;
838 v4l2_dbg(1, coda_debug
, &ctx
->dev
->v4l2_dev
,
839 "get %d buffer(s) of size %d each.\n", *nbuffers
, size
);
844 static int coda_buf_prepare(struct vb2_buffer
*vb
)
846 struct coda_ctx
*ctx
= vb2_get_drv_priv(vb
->vb2_queue
);
847 struct coda_q_data
*q_data
;
849 q_data
= get_q_data(ctx
, vb
->vb2_queue
->type
);
851 if (vb2_plane_size(vb
, 0) < q_data
->sizeimage
) {
852 v4l2_warn(&ctx
->dev
->v4l2_dev
,
853 "%s data will not fit into plane (%lu < %lu)\n",
854 __func__
, vb2_plane_size(vb
, 0),
855 (long)q_data
->sizeimage
);
859 vb2_set_plane_payload(vb
, 0, q_data
->sizeimage
);
864 static void coda_buf_queue(struct vb2_buffer
*vb
)
866 struct coda_ctx
*ctx
= vb2_get_drv_priv(vb
->vb2_queue
);
867 v4l2_m2m_buf_queue(ctx
->m2m_ctx
, vb
);
870 static void coda_wait_prepare(struct vb2_queue
*q
)
872 struct coda_ctx
*ctx
= vb2_get_drv_priv(q
);
876 static void coda_wait_finish(struct vb2_queue
*q
)
878 struct coda_ctx
*ctx
= vb2_get_drv_priv(q
);
882 static void coda_free_framebuffers(struct coda_ctx
*ctx
)
886 for (i
= 0; i
< CODA_MAX_FRAMEBUFFERS
; i
++) {
887 if (ctx
->internal_frames
[i
].vaddr
) {
888 dma_free_coherent(&ctx
->dev
->plat_dev
->dev
,
889 ctx
->internal_frames
[i
].size
,
890 ctx
->internal_frames
[i
].vaddr
,
891 ctx
->internal_frames
[i
].paddr
);
892 ctx
->internal_frames
[i
].vaddr
= NULL
;
897 static int coda_alloc_framebuffers(struct coda_ctx
*ctx
, struct coda_q_data
*q_data
, u32 fourcc
)
899 struct coda_dev
*dev
= ctx
->dev
;
901 int height
= q_data
->height
;
902 int width
= q_data
->width
;
906 /* Allocate frame buffers */
907 ctx
->num_internal_frames
= CODA_MAX_FRAMEBUFFERS
;
908 for (i
= 0; i
< ctx
->num_internal_frames
; i
++) {
909 ctx
->internal_frames
[i
].size
= q_data
->sizeimage
;
910 if (fourcc
== V4L2_PIX_FMT_H264
&& dev
->devtype
->product
!= CODA_DX6
)
911 ctx
->internal_frames
[i
].size
+= width
/ 2 * height
/ 2;
912 ctx
->internal_frames
[i
].vaddr
= dma_alloc_coherent(
913 &dev
->plat_dev
->dev
, ctx
->internal_frames
[i
].size
,
914 &ctx
->internal_frames
[i
].paddr
, GFP_KERNEL
);
915 if (!ctx
->internal_frames
[i
].vaddr
) {
916 coda_free_framebuffers(ctx
);
921 /* Register frame buffers in the parameter buffer */
922 p
= ctx
->parabuf
.vaddr
;
924 if (dev
->devtype
->product
== CODA_DX6
) {
925 for (i
= 0; i
< ctx
->num_internal_frames
; i
++) {
926 p
[i
* 3] = ctx
->internal_frames
[i
].paddr
; /* Y */
927 p
[i
* 3 + 1] = p
[i
* 3] + width
* height
; /* Cb */
928 p
[i
* 3 + 2] = p
[i
* 3 + 1] + width
/ 2 * height
/ 2; /* Cr */
931 for (i
= 0; i
< ctx
->num_internal_frames
; i
+= 2) {
932 p
[i
* 3 + 1] = ctx
->internal_frames
[i
].paddr
; /* Y */
933 p
[i
* 3] = p
[i
* 3 + 1] + width
* height
; /* Cb */
934 p
[i
* 3 + 3] = p
[i
* 3] + (width
/ 2) * (height
/ 2); /* Cr */
936 if (fourcc
== V4L2_PIX_FMT_H264
)
937 p
[96 + i
+ 1] = p
[i
* 3 + 3] + (width
/ 2) * (height
/ 2);
939 if (i
+ 1 < ctx
->num_internal_frames
) {
940 p
[i
* 3 + 2] = ctx
->internal_frames
[i
+1].paddr
; /* Y */
941 p
[i
* 3 + 5] = p
[i
* 3 + 2] + width
* height
; /* Cb */
942 p
[i
* 3 + 4] = p
[i
* 3 + 5] + (width
/ 2) * (height
/ 2); /* Cr */
944 if (fourcc
== V4L2_PIX_FMT_H264
)
945 p
[96 + i
] = p
[i
* 3 + 4] + (width
/ 2) * (height
/ 2);
953 static int coda_start_streaming(struct vb2_queue
*q
, unsigned int count
)
955 struct coda_ctx
*ctx
= vb2_get_drv_priv(q
);
956 struct v4l2_device
*v4l2_dev
= &ctx
->dev
->v4l2_dev
;
957 u32 bitstream_buf
, bitstream_size
;
958 struct coda_dev
*dev
= ctx
->dev
;
959 struct coda_q_data
*q_data_src
, *q_data_dst
;
960 struct vb2_buffer
*buf
;
968 if (q
->type
== V4L2_BUF_TYPE_VIDEO_OUTPUT
)
969 ctx
->rawstreamon
= 1;
971 ctx
->compstreamon
= 1;
973 /* Don't start the coda unless both queues are on */
974 if (!(ctx
->rawstreamon
& ctx
->compstreamon
))
977 if (coda_isbusy(dev
))
978 if (wait_for_completion_interruptible_timeout(&dev
->done
, HZ
) <= 0)
981 ctx
->gopcounter
= ctx
->params
.gop_size
- 1;
983 q_data_src
= get_q_data(ctx
, V4L2_BUF_TYPE_VIDEO_OUTPUT
);
984 buf
= v4l2_m2m_next_dst_buf(ctx
->m2m_ctx
);
985 bitstream_buf
= vb2_dma_contig_plane_dma_addr(buf
, 0);
986 q_data_dst
= get_q_data(ctx
, V4L2_BUF_TYPE_VIDEO_CAPTURE
);
987 bitstream_size
= q_data_dst
->sizeimage
;
988 dst_fourcc
= q_data_dst
->fmt
->fourcc
;
990 /* Find out whether coda must encode or decode */
991 if (q_data_src
->fmt
->type
== CODA_FMT_RAW
&&
992 q_data_dst
->fmt
->type
== CODA_FMT_ENC
) {
993 ctx
->inst_type
= CODA_INST_ENCODER
;
994 } else if (q_data_src
->fmt
->type
== CODA_FMT_ENC
&&
995 q_data_dst
->fmt
->type
== CODA_FMT_RAW
) {
996 ctx
->inst_type
= CODA_INST_DECODER
;
997 v4l2_err(v4l2_dev
, "decoding not supported.\n");
1000 v4l2_err(v4l2_dev
, "couldn't tell instance type.\n");
1004 if (!coda_is_initialized(dev
)) {
1005 v4l2_err(v4l2_dev
, "coda is not initialized.\n");
1008 coda_write(dev
, ctx
->parabuf
.paddr
, CODA_REG_BIT_PARA_BUF_ADDR
);
1009 coda_write(dev
, bitstream_buf
, CODA_REG_BIT_RD_PTR(ctx
->idx
));
1010 coda_write(dev
, bitstream_buf
, CODA_REG_BIT_WR_PTR(ctx
->idx
));
1011 switch (dev
->devtype
->product
) {
1013 coda_write(dev
, CODADX6_STREAM_BUF_DYNALLOC_EN
|
1014 CODADX6_STREAM_BUF_PIC_RESET
, CODA_REG_BIT_STREAM_CTRL
);
1017 coda_write(dev
, CODA7_STREAM_BUF_DYNALLOC_EN
|
1018 CODA7_STREAM_BUF_PIC_RESET
, CODA_REG_BIT_STREAM_CTRL
);
1021 if (dev
->devtype
->product
== CODA_DX6
) {
1022 /* Configure the coda */
1023 coda_write(dev
, dev
->iram_paddr
, CODADX6_REG_BIT_SEARCH_RAM_BASE_ADDR
);
1026 /* Could set rotation here if needed */
1027 switch (dev
->devtype
->product
) {
1029 value
= (q_data_src
->width
& CODADX6_PICWIDTH_MASK
) << CODADX6_PICWIDTH_OFFSET
;
1032 value
= (q_data_src
->width
& CODA7_PICWIDTH_MASK
) << CODA7_PICWIDTH_OFFSET
;
1034 value
|= (q_data_src
->height
& CODA_PICHEIGHT_MASK
) << CODA_PICHEIGHT_OFFSET
;
1035 coda_write(dev
, value
, CODA_CMD_ENC_SEQ_SRC_SIZE
);
1036 coda_write(dev
, ctx
->params
.framerate
,
1037 CODA_CMD_ENC_SEQ_SRC_F_RATE
);
1039 switch (dst_fourcc
) {
1040 case V4L2_PIX_FMT_MPEG4
:
1041 if (dev
->devtype
->product
== CODA_DX6
)
1042 ctx
->params
.codec_mode
= CODADX6_MODE_ENCODE_MP4
;
1044 ctx
->params
.codec_mode
= CODA7_MODE_ENCODE_MP4
;
1046 coda_write(dev
, CODA_STD_MPEG4
, CODA_CMD_ENC_SEQ_COD_STD
);
1047 coda_write(dev
, 0, CODA_CMD_ENC_SEQ_MP4_PARA
);
1049 case V4L2_PIX_FMT_H264
:
1050 if (dev
->devtype
->product
== CODA_DX6
)
1051 ctx
->params
.codec_mode
= CODADX6_MODE_ENCODE_H264
;
1053 ctx
->params
.codec_mode
= CODA7_MODE_ENCODE_H264
;
1055 coda_write(dev
, CODA_STD_H264
, CODA_CMD_ENC_SEQ_COD_STD
);
1056 coda_write(dev
, 0, CODA_CMD_ENC_SEQ_264_PARA
);
1060 "dst format (0x%08x) invalid.\n", dst_fourcc
);
1064 value
= (ctx
->params
.slice_max_mb
& CODA_SLICING_SIZE_MASK
) << CODA_SLICING_SIZE_OFFSET
;
1065 value
|= (1 & CODA_SLICING_UNIT_MASK
) << CODA_SLICING_UNIT_OFFSET
;
1066 if (ctx
->params
.slice_mode
== V4L2_MPEG_VIDEO_MULTI_SICE_MODE_MAX_MB
)
1067 value
|= 1 & CODA_SLICING_MODE_MASK
;
1068 coda_write(dev
, value
, CODA_CMD_ENC_SEQ_SLICE_MODE
);
1069 value
= ctx
->params
.gop_size
& CODA_GOP_SIZE_MASK
;
1070 coda_write(dev
, value
, CODA_CMD_ENC_SEQ_GOP_SIZE
);
1072 if (ctx
->params
.bitrate
) {
1073 /* Rate control enabled */
1074 value
= (ctx
->params
.bitrate
& CODA_RATECONTROL_BITRATE_MASK
) << CODA_RATECONTROL_BITRATE_OFFSET
;
1075 value
|= 1 & CODA_RATECONTROL_ENABLE_MASK
;
1079 coda_write(dev
, value
, CODA_CMD_ENC_SEQ_RC_PARA
);
1081 coda_write(dev
, 0, CODA_CMD_ENC_SEQ_RC_BUF_SIZE
);
1082 coda_write(dev
, 0, CODA_CMD_ENC_SEQ_INTRA_REFRESH
);
1084 coda_write(dev
, bitstream_buf
, CODA_CMD_ENC_SEQ_BB_START
);
1085 coda_write(dev
, bitstream_size
/ 1024, CODA_CMD_ENC_SEQ_BB_SIZE
);
1087 /* set default gamma */
1088 value
= (CODA_DEFAULT_GAMMA
& CODA_GAMMA_MASK
) << CODA_GAMMA_OFFSET
;
1089 coda_write(dev
, value
, CODA_CMD_ENC_SEQ_RC_GAMMA
);
1091 value
= (CODA_DEFAULT_GAMMA
> 0) << CODA_OPTION_GAMMA_OFFSET
;
1092 value
|= (0 & CODA_OPTION_SLICEREPORT_MASK
) << CODA_OPTION_SLICEREPORT_OFFSET
;
1093 coda_write(dev
, value
, CODA_CMD_ENC_SEQ_OPTION
);
1095 if (dst_fourcc
== V4L2_PIX_FMT_H264
) {
1096 value
= (FMO_SLICE_SAVE_BUF_SIZE
<< 7);
1097 value
|= (0 & CODA_FMOPARAM_TYPE_MASK
) << CODA_FMOPARAM_TYPE_OFFSET
;
1098 value
|= 0 & CODA_FMOPARAM_SLICENUM_MASK
;
1099 if (dev
->devtype
->product
== CODA_DX6
) {
1100 coda_write(dev
, value
, CODADX6_CMD_ENC_SEQ_FMO
);
1102 coda_write(dev
, dev
->iram_paddr
, CODA7_CMD_ENC_SEQ_SEARCH_BASE
);
1103 coda_write(dev
, 48 * 1024, CODA7_CMD_ENC_SEQ_SEARCH_SIZE
);
1107 if (coda_command_sync(ctx
, CODA_COMMAND_SEQ_INIT
)) {
1108 v4l2_err(v4l2_dev
, "CODA_COMMAND_SEQ_INIT timeout\n");
1112 if (coda_read(dev
, CODA_RET_ENC_SEQ_SUCCESS
) == 0)
1115 ret
= coda_alloc_framebuffers(ctx
, q_data_src
, dst_fourcc
);
1119 coda_write(dev
, ctx
->num_internal_frames
, CODA_CMD_SET_FRAME_BUF_NUM
);
1120 coda_write(dev
, round_up(q_data_src
->width
, 8), CODA_CMD_SET_FRAME_BUF_STRIDE
);
1121 if (dev
->devtype
->product
!= CODA_DX6
) {
1122 coda_write(dev
, round_up(q_data_src
->width
, 8), CODA7_CMD_SET_FRAME_SOURCE_BUF_STRIDE
);
1123 coda_write(dev
, dev
->iram_paddr
+ 48 * 1024, CODA7_CMD_SET_FRAME_AXI_DBKY_ADDR
);
1124 coda_write(dev
, dev
->iram_paddr
+ 53 * 1024, CODA7_CMD_SET_FRAME_AXI_DBKC_ADDR
);
1125 coda_write(dev
, dev
->iram_paddr
+ 58 * 1024, CODA7_CMD_SET_FRAME_AXI_BIT_ADDR
);
1126 coda_write(dev
, dev
->iram_paddr
+ 68 * 1024, CODA7_CMD_SET_FRAME_AXI_IPACDC_ADDR
);
1127 coda_write(dev
, 0x0, CODA7_CMD_SET_FRAME_AXI_OVL_ADDR
);
1129 if (coda_command_sync(ctx
, CODA_COMMAND_SET_FRAME_BUF
)) {
1130 v4l2_err(v4l2_dev
, "CODA_COMMAND_SET_FRAME_BUF timeout\n");
1134 /* Save stream headers */
1135 buf
= v4l2_m2m_next_dst_buf(ctx
->m2m_ctx
);
1136 switch (dst_fourcc
) {
1137 case V4L2_PIX_FMT_H264
:
1139 * Get SPS in the first frame and copy it to an
1140 * intermediate buffer.
1142 coda_write(dev
, vb2_dma_contig_plane_dma_addr(buf
, 0), CODA_CMD_ENC_HEADER_BB_START
);
1143 coda_write(dev
, bitstream_size
, CODA_CMD_ENC_HEADER_BB_SIZE
);
1144 coda_write(dev
, CODA_HEADER_H264_SPS
, CODA_CMD_ENC_HEADER_CODE
);
1145 if (coda_command_sync(ctx
, CODA_COMMAND_ENCODE_HEADER
)) {
1146 v4l2_err(v4l2_dev
, "CODA_COMMAND_ENCODE_HEADER timeout\n");
1149 ctx
->vpu_header_size
[0] = coda_read(dev
, CODA_REG_BIT_WR_PTR(ctx
->idx
)) -
1150 coda_read(dev
, CODA_CMD_ENC_HEADER_BB_START
);
1151 memcpy(&ctx
->vpu_header
[0][0], vb2_plane_vaddr(buf
, 0),
1152 ctx
->vpu_header_size
[0]);
1155 * Get PPS in the first frame and copy it to an
1156 * intermediate buffer.
1158 coda_write(dev
, vb2_dma_contig_plane_dma_addr(buf
, 0), CODA_CMD_ENC_HEADER_BB_START
);
1159 coda_write(dev
, bitstream_size
, CODA_CMD_ENC_HEADER_BB_SIZE
);
1160 coda_write(dev
, CODA_HEADER_H264_PPS
, CODA_CMD_ENC_HEADER_CODE
);
1161 if (coda_command_sync(ctx
, CODA_COMMAND_ENCODE_HEADER
)) {
1162 v4l2_err(v4l2_dev
, "CODA_COMMAND_ENCODE_HEADER timeout\n");
1165 ctx
->vpu_header_size
[1] = coda_read(dev
, CODA_REG_BIT_WR_PTR(ctx
->idx
)) -
1166 coda_read(dev
, CODA_CMD_ENC_HEADER_BB_START
);
1167 memcpy(&ctx
->vpu_header
[1][0], vb2_plane_vaddr(buf
, 0),
1168 ctx
->vpu_header_size
[1]);
1169 ctx
->vpu_header_size
[2] = 0;
1171 case V4L2_PIX_FMT_MPEG4
:
1173 * Get VOS in the first frame and copy it to an
1174 * intermediate buffer
1176 coda_write(dev
, vb2_dma_contig_plane_dma_addr(buf
, 0), CODA_CMD_ENC_HEADER_BB_START
);
1177 coda_write(dev
, bitstream_size
, CODA_CMD_ENC_HEADER_BB_SIZE
);
1178 coda_write(dev
, CODA_HEADER_MP4V_VOS
, CODA_CMD_ENC_HEADER_CODE
);
1179 if (coda_command_sync(ctx
, CODA_COMMAND_ENCODE_HEADER
)) {
1180 v4l2_err(v4l2_dev
, "CODA_COMMAND_ENCODE_HEADER timeout\n");
1183 ctx
->vpu_header_size
[0] = coda_read(dev
, CODA_REG_BIT_WR_PTR(ctx
->idx
)) -
1184 coda_read(dev
, CODA_CMD_ENC_HEADER_BB_START
);
1185 memcpy(&ctx
->vpu_header
[0][0], vb2_plane_vaddr(buf
, 0),
1186 ctx
->vpu_header_size
[0]);
1188 coda_write(dev
, vb2_dma_contig_plane_dma_addr(buf
, 0), CODA_CMD_ENC_HEADER_BB_START
);
1189 coda_write(dev
, bitstream_size
, CODA_CMD_ENC_HEADER_BB_SIZE
);
1190 coda_write(dev
, CODA_HEADER_MP4V_VIS
, CODA_CMD_ENC_HEADER_CODE
);
1191 if (coda_command_sync(ctx
, CODA_COMMAND_ENCODE_HEADER
)) {
1192 v4l2_err(v4l2_dev
, "CODA_COMMAND_ENCODE_HEADER failed\n");
1195 ctx
->vpu_header_size
[1] = coda_read(dev
, CODA_REG_BIT_WR_PTR(ctx
->idx
)) -
1196 coda_read(dev
, CODA_CMD_ENC_HEADER_BB_START
);
1197 memcpy(&ctx
->vpu_header
[1][0], vb2_plane_vaddr(buf
, 0),
1198 ctx
->vpu_header_size
[1]);
1200 coda_write(dev
, vb2_dma_contig_plane_dma_addr(buf
, 0), CODA_CMD_ENC_HEADER_BB_START
);
1201 coda_write(dev
, bitstream_size
, CODA_CMD_ENC_HEADER_BB_SIZE
);
1202 coda_write(dev
, CODA_HEADER_MP4V_VOL
, CODA_CMD_ENC_HEADER_CODE
);
1203 if (coda_command_sync(ctx
, CODA_COMMAND_ENCODE_HEADER
)) {
1204 v4l2_err(v4l2_dev
, "CODA_COMMAND_ENCODE_HEADER failed\n");
1207 ctx
->vpu_header_size
[2] = coda_read(dev
, CODA_REG_BIT_WR_PTR(ctx
->idx
)) -
1208 coda_read(dev
, CODA_CMD_ENC_HEADER_BB_START
);
1209 memcpy(&ctx
->vpu_header
[2][0], vb2_plane_vaddr(buf
, 0),
1210 ctx
->vpu_header_size
[2]);
1213 /* No more formats need to save headers at the moment */
1220 static int coda_stop_streaming(struct vb2_queue
*q
)
1222 struct coda_ctx
*ctx
= vb2_get_drv_priv(q
);
1223 struct coda_dev
*dev
= ctx
->dev
;
1225 if (q
->type
== V4L2_BUF_TYPE_VIDEO_OUTPUT
) {
1226 v4l2_dbg(1, coda_debug
, &ctx
->dev
->v4l2_dev
,
1227 "%s: output\n", __func__
);
1228 ctx
->rawstreamon
= 0;
1230 v4l2_dbg(1, coda_debug
, &ctx
->dev
->v4l2_dev
,
1231 "%s: capture\n", __func__
);
1232 ctx
->compstreamon
= 0;
1235 /* Don't stop the coda unless both queues are off */
1236 if (ctx
->rawstreamon
|| ctx
->compstreamon
)
1239 if (coda_isbusy(dev
)) {
1240 if (wait_for_completion_interruptible_timeout(&dev
->done
, HZ
) <= 0) {
1241 v4l2_warn(&dev
->v4l2_dev
,
1242 "%s: timeout, sending SEQ_END anyway\n", __func__
);
1246 cancel_delayed_work(&dev
->timeout
);
1248 v4l2_dbg(1, coda_debug
, &dev
->v4l2_dev
,
1249 "%s: sent command 'SEQ_END' to coda\n", __func__
);
1250 if (coda_command_sync(ctx
, CODA_COMMAND_SEQ_END
)) {
1251 v4l2_err(&dev
->v4l2_dev
,
1252 "CODA_COMMAND_SEQ_END failed\n");
1256 coda_free_framebuffers(ctx
);
1261 static struct vb2_ops coda_qops
= {
1262 .queue_setup
= coda_queue_setup
,
1263 .buf_prepare
= coda_buf_prepare
,
1264 .buf_queue
= coda_buf_queue
,
1265 .wait_prepare
= coda_wait_prepare
,
1266 .wait_finish
= coda_wait_finish
,
1267 .start_streaming
= coda_start_streaming
,
1268 .stop_streaming
= coda_stop_streaming
,
1271 static int coda_s_ctrl(struct v4l2_ctrl
*ctrl
)
1273 struct coda_ctx
*ctx
=
1274 container_of(ctrl
->handler
, struct coda_ctx
, ctrls
);
1276 v4l2_dbg(1, coda_debug
, &ctx
->dev
->v4l2_dev
,
1277 "s_ctrl: id = %d, val = %d\n", ctrl
->id
, ctrl
->val
);
1280 case V4L2_CID_HFLIP
:
1282 ctx
->params
.rot_mode
|= CODA_MIR_HOR
;
1284 ctx
->params
.rot_mode
&= ~CODA_MIR_HOR
;
1286 case V4L2_CID_VFLIP
:
1288 ctx
->params
.rot_mode
|= CODA_MIR_VER
;
1290 ctx
->params
.rot_mode
&= ~CODA_MIR_VER
;
1292 case V4L2_CID_MPEG_VIDEO_BITRATE
:
1293 ctx
->params
.bitrate
= ctrl
->val
/ 1000;
1295 case V4L2_CID_MPEG_VIDEO_GOP_SIZE
:
1296 ctx
->params
.gop_size
= ctrl
->val
;
1298 case V4L2_CID_MPEG_VIDEO_H264_I_FRAME_QP
:
1299 ctx
->params
.h264_intra_qp
= ctrl
->val
;
1301 case V4L2_CID_MPEG_VIDEO_H264_P_FRAME_QP
:
1302 ctx
->params
.h264_inter_qp
= ctrl
->val
;
1304 case V4L2_CID_MPEG_VIDEO_MPEG4_I_FRAME_QP
:
1305 ctx
->params
.mpeg4_intra_qp
= ctrl
->val
;
1307 case V4L2_CID_MPEG_VIDEO_MPEG4_P_FRAME_QP
:
1308 ctx
->params
.mpeg4_inter_qp
= ctrl
->val
;
1310 case V4L2_CID_MPEG_VIDEO_MULTI_SLICE_MODE
:
1311 ctx
->params
.slice_mode
= ctrl
->val
;
1313 case V4L2_CID_MPEG_VIDEO_MULTI_SLICE_MAX_MB
:
1314 ctx
->params
.slice_max_mb
= ctrl
->val
;
1316 case V4L2_CID_MPEG_VIDEO_HEADER_MODE
:
1319 v4l2_dbg(1, coda_debug
, &ctx
->dev
->v4l2_dev
,
1320 "Invalid control, id=%d, val=%d\n",
1321 ctrl
->id
, ctrl
->val
);
1328 static struct v4l2_ctrl_ops coda_ctrl_ops
= {
1329 .s_ctrl
= coda_s_ctrl
,
1332 static int coda_ctrls_setup(struct coda_ctx
*ctx
)
1334 v4l2_ctrl_handler_init(&ctx
->ctrls
, 9);
1336 v4l2_ctrl_new_std(&ctx
->ctrls
, &coda_ctrl_ops
,
1337 V4L2_CID_HFLIP
, 0, 1, 1, 0);
1338 v4l2_ctrl_new_std(&ctx
->ctrls
, &coda_ctrl_ops
,
1339 V4L2_CID_VFLIP
, 0, 1, 1, 0);
1340 v4l2_ctrl_new_std(&ctx
->ctrls
, &coda_ctrl_ops
,
1341 V4L2_CID_MPEG_VIDEO_BITRATE
, 0, 32767000, 1, 0);
1342 v4l2_ctrl_new_std(&ctx
->ctrls
, &coda_ctrl_ops
,
1343 V4L2_CID_MPEG_VIDEO_GOP_SIZE
, 1, 60, 1, 16);
1344 v4l2_ctrl_new_std(&ctx
->ctrls
, &coda_ctrl_ops
,
1345 V4L2_CID_MPEG_VIDEO_H264_I_FRAME_QP
, 1, 51, 1, 25);
1346 v4l2_ctrl_new_std(&ctx
->ctrls
, &coda_ctrl_ops
,
1347 V4L2_CID_MPEG_VIDEO_H264_P_FRAME_QP
, 1, 51, 1, 25);
1348 v4l2_ctrl_new_std(&ctx
->ctrls
, &coda_ctrl_ops
,
1349 V4L2_CID_MPEG_VIDEO_MPEG4_I_FRAME_QP
, 1, 31, 1, 2);
1350 v4l2_ctrl_new_std(&ctx
->ctrls
, &coda_ctrl_ops
,
1351 V4L2_CID_MPEG_VIDEO_MPEG4_P_FRAME_QP
, 1, 31, 1, 2);
1352 v4l2_ctrl_new_std_menu(&ctx
->ctrls
, &coda_ctrl_ops
,
1353 V4L2_CID_MPEG_VIDEO_MULTI_SLICE_MODE
,
1354 V4L2_MPEG_VIDEO_MULTI_SICE_MODE_MAX_MB
, 0,
1355 V4L2_MPEG_VIDEO_MULTI_SICE_MODE_MAX_MB
);
1356 v4l2_ctrl_new_std(&ctx
->ctrls
, &coda_ctrl_ops
,
1357 V4L2_CID_MPEG_VIDEO_MULTI_SLICE_MAX_MB
, 1, 0x3fffffff, 1, 1);
1358 v4l2_ctrl_new_std_menu(&ctx
->ctrls
, &coda_ctrl_ops
,
1359 V4L2_CID_MPEG_VIDEO_HEADER_MODE
,
1360 V4L2_MPEG_VIDEO_HEADER_MODE_JOINED_WITH_1ST_FRAME
,
1361 (1 << V4L2_MPEG_VIDEO_HEADER_MODE_SEPARATE
),
1362 V4L2_MPEG_VIDEO_HEADER_MODE_JOINED_WITH_1ST_FRAME
);
1364 if (ctx
->ctrls
.error
) {
1365 v4l2_err(&ctx
->dev
->v4l2_dev
, "control initialization error (%d)",
1370 return v4l2_ctrl_handler_setup(&ctx
->ctrls
);
1373 static int coda_queue_init(void *priv
, struct vb2_queue
*src_vq
,
1374 struct vb2_queue
*dst_vq
)
1376 struct coda_ctx
*ctx
= priv
;
1379 src_vq
->type
= V4L2_BUF_TYPE_VIDEO_OUTPUT
;
1380 src_vq
->io_modes
= VB2_MMAP
| VB2_USERPTR
;
1381 src_vq
->drv_priv
= ctx
;
1382 src_vq
->buf_struct_size
= sizeof(struct v4l2_m2m_buffer
);
1383 src_vq
->ops
= &coda_qops
;
1384 src_vq
->mem_ops
= &vb2_dma_contig_memops
;
1386 ret
= vb2_queue_init(src_vq
);
1390 dst_vq
->type
= V4L2_BUF_TYPE_VIDEO_CAPTURE
;
1391 dst_vq
->io_modes
= VB2_MMAP
| VB2_USERPTR
;
1392 dst_vq
->drv_priv
= ctx
;
1393 dst_vq
->buf_struct_size
= sizeof(struct v4l2_m2m_buffer
);
1394 dst_vq
->ops
= &coda_qops
;
1395 dst_vq
->mem_ops
= &vb2_dma_contig_memops
;
1397 return vb2_queue_init(dst_vq
);
1400 static int coda_next_free_instance(struct coda_dev
*dev
)
1402 return ffz(dev
->instance_mask
);
1405 static int coda_open(struct file
*file
)
1407 struct coda_dev
*dev
= video_drvdata(file
);
1408 struct coda_ctx
*ctx
= NULL
;
1412 idx
= coda_next_free_instance(dev
);
1413 if (idx
>= CODA_MAX_INSTANCES
)
1415 set_bit(idx
, &dev
->instance_mask
);
1417 ctx
= kzalloc(sizeof *ctx
, GFP_KERNEL
);
1421 v4l2_fh_init(&ctx
->fh
, video_devdata(file
));
1422 file
->private_data
= &ctx
->fh
;
1423 v4l2_fh_add(&ctx
->fh
);
1427 set_default_params(ctx
);
1428 ctx
->m2m_ctx
= v4l2_m2m_ctx_init(dev
->m2m_dev
, ctx
,
1430 if (IS_ERR(ctx
->m2m_ctx
)) {
1431 int ret
= PTR_ERR(ctx
->m2m_ctx
);
1433 v4l2_err(&dev
->v4l2_dev
, "%s return error (%d)\n",
1437 ret
= coda_ctrls_setup(ctx
);
1439 v4l2_err(&dev
->v4l2_dev
, "failed to setup coda controls\n");
1443 ctx
->fh
.ctrl_handler
= &ctx
->ctrls
;
1445 ctx
->parabuf
.vaddr
= dma_alloc_coherent(&dev
->plat_dev
->dev
,
1446 CODA_PARA_BUF_SIZE
, &ctx
->parabuf
.paddr
, GFP_KERNEL
);
1447 if (!ctx
->parabuf
.vaddr
) {
1448 v4l2_err(&dev
->v4l2_dev
, "failed to allocate parabuf");
1454 list_add(&ctx
->list
, &dev
->instances
);
1457 clk_prepare_enable(dev
->clk_per
);
1458 clk_prepare_enable(dev
->clk_ahb
);
1460 v4l2_dbg(1, coda_debug
, &dev
->v4l2_dev
, "Created instance %d (%p)\n",
1466 v4l2_fh_del(&ctx
->fh
);
1467 v4l2_fh_exit(&ctx
->fh
);
1472 static int coda_release(struct file
*file
)
1474 struct coda_dev
*dev
= video_drvdata(file
);
1475 struct coda_ctx
*ctx
= fh_to_ctx(file
->private_data
);
1477 v4l2_dbg(1, coda_debug
, &dev
->v4l2_dev
, "Releasing instance %p\n",
1481 list_del(&ctx
->list
);
1484 dma_free_coherent(&dev
->plat_dev
->dev
, CODA_PARA_BUF_SIZE
,
1485 ctx
->parabuf
.vaddr
, ctx
->parabuf
.paddr
);
1486 v4l2_m2m_ctx_release(ctx
->m2m_ctx
);
1487 v4l2_ctrl_handler_free(&ctx
->ctrls
);
1488 clk_disable_unprepare(dev
->clk_per
);
1489 clk_disable_unprepare(dev
->clk_ahb
);
1490 v4l2_fh_del(&ctx
->fh
);
1491 v4l2_fh_exit(&ctx
->fh
);
1492 clear_bit(ctx
->idx
, &dev
->instance_mask
);
1498 static unsigned int coda_poll(struct file
*file
,
1499 struct poll_table_struct
*wait
)
1501 struct coda_ctx
*ctx
= fh_to_ctx(file
->private_data
);
1505 ret
= v4l2_m2m_poll(file
, ctx
->m2m_ctx
, wait
);
1510 static int coda_mmap(struct file
*file
, struct vm_area_struct
*vma
)
1512 struct coda_ctx
*ctx
= fh_to_ctx(file
->private_data
);
1514 return v4l2_m2m_mmap(file
, ctx
->m2m_ctx
, vma
);
1517 static const struct v4l2_file_operations coda_fops
= {
1518 .owner
= THIS_MODULE
,
1520 .release
= coda_release
,
1522 .unlocked_ioctl
= video_ioctl2
,
1526 static irqreturn_t
coda_irq_handler(int irq
, void *data
)
1528 struct vb2_buffer
*src_buf
, *dst_buf
;
1529 struct coda_dev
*dev
= data
;
1530 u32 wr_ptr
, start_ptr
;
1531 struct coda_ctx
*ctx
;
1533 __cancel_delayed_work(&dev
->timeout
);
1535 /* read status register to attend the IRQ */
1536 coda_read(dev
, CODA_REG_BIT_INT_STATUS
);
1537 coda_write(dev
, CODA_REG_BIT_INT_CLEAR_SET
,
1538 CODA_REG_BIT_INT_CLEAR
);
1540 ctx
= v4l2_m2m_get_curr_priv(dev
->m2m_dev
);
1542 v4l2_err(&dev
->v4l2_dev
, "Instance released before the end of transaction\n");
1546 if (ctx
->aborting
) {
1547 v4l2_dbg(1, coda_debug
, &ctx
->dev
->v4l2_dev
,
1548 "task has been aborted\n");
1552 if (coda_isbusy(ctx
->dev
)) {
1553 v4l2_dbg(1, coda_debug
, &ctx
->dev
->v4l2_dev
,
1554 "coda is still busy!!!!\n");
1558 complete(&dev
->done
);
1560 src_buf
= v4l2_m2m_src_buf_remove(ctx
->m2m_ctx
);
1561 dst_buf
= v4l2_m2m_dst_buf_remove(ctx
->m2m_ctx
);
1563 /* Get results from the coda */
1564 coda_read(dev
, CODA_RET_ENC_PIC_TYPE
);
1565 start_ptr
= coda_read(dev
, CODA_CMD_ENC_PIC_BB_START
);
1566 wr_ptr
= coda_read(dev
, CODA_REG_BIT_WR_PTR(ctx
->idx
));
1567 /* Calculate bytesused field */
1568 if (dst_buf
->v4l2_buf
.sequence
== 0) {
1569 dst_buf
->v4l2_planes
[0].bytesused
= (wr_ptr
- start_ptr
) +
1570 ctx
->vpu_header_size
[0] +
1571 ctx
->vpu_header_size
[1] +
1572 ctx
->vpu_header_size
[2];
1574 dst_buf
->v4l2_planes
[0].bytesused
= (wr_ptr
- start_ptr
);
1577 v4l2_dbg(1, coda_debug
, &ctx
->dev
->v4l2_dev
, "frame size = %u\n",
1578 wr_ptr
- start_ptr
);
1580 coda_read(dev
, CODA_RET_ENC_PIC_SLICE_NUM
);
1581 coda_read(dev
, CODA_RET_ENC_PIC_FLAG
);
1583 if (src_buf
->v4l2_buf
.flags
& V4L2_BUF_FLAG_KEYFRAME
) {
1584 dst_buf
->v4l2_buf
.flags
|= V4L2_BUF_FLAG_KEYFRAME
;
1585 dst_buf
->v4l2_buf
.flags
&= ~V4L2_BUF_FLAG_PFRAME
;
1587 dst_buf
->v4l2_buf
.flags
|= V4L2_BUF_FLAG_PFRAME
;
1588 dst_buf
->v4l2_buf
.flags
&= ~V4L2_BUF_FLAG_KEYFRAME
;
1591 v4l2_m2m_buf_done(src_buf
, VB2_BUF_STATE_DONE
);
1592 v4l2_m2m_buf_done(dst_buf
, VB2_BUF_STATE_DONE
);
1595 if (ctx
->gopcounter
< 0)
1596 ctx
->gopcounter
= ctx
->params
.gop_size
- 1;
1598 v4l2_dbg(1, coda_debug
, &dev
->v4l2_dev
,
1599 "job finished: encoding frame (%d) (%s)\n",
1600 dst_buf
->v4l2_buf
.sequence
,
1601 (dst_buf
->v4l2_buf
.flags
& V4L2_BUF_FLAG_KEYFRAME
) ?
1602 "KEYFRAME" : "PFRAME");
1604 v4l2_m2m_job_finish(ctx
->dev
->m2m_dev
, ctx
->m2m_ctx
);
1609 static void coda_timeout(struct work_struct
*work
)
1611 struct coda_ctx
*ctx
;
1612 struct coda_dev
*dev
= container_of(to_delayed_work(work
),
1613 struct coda_dev
, timeout
);
1615 if (completion_done(&dev
->done
))
1618 complete(&dev
->done
);
1620 v4l2_err(&dev
->v4l2_dev
, "CODA PIC_RUN timeout, stopping all streams\n");
1622 mutex_lock(&dev
->dev_mutex
);
1623 list_for_each_entry(ctx
, &dev
->instances
, list
) {
1624 v4l2_m2m_streamoff(NULL
, ctx
->m2m_ctx
, V4L2_BUF_TYPE_VIDEO_OUTPUT
);
1625 v4l2_m2m_streamoff(NULL
, ctx
->m2m_ctx
, V4L2_BUF_TYPE_VIDEO_CAPTURE
);
1627 mutex_unlock(&dev
->dev_mutex
);
1630 static u32 coda_supported_firmwares
[] = {
1631 CODA_FIRMWARE_VERNUM(CODA_DX6
, 2, 2, 5),
1632 CODA_FIRMWARE_VERNUM(CODA_7541
, 13, 4, 29),
1635 static bool coda_firmware_supported(u32 vernum
)
1639 for (i
= 0; i
< ARRAY_SIZE(coda_supported_firmwares
); i
++)
1640 if (vernum
== coda_supported_firmwares
[i
])
1645 static char *coda_product_name(int product
)
1655 snprintf(buf
, sizeof(buf
), "(0x%04x)", product
);
1660 static int coda_hw_init(struct coda_dev
*dev
)
1662 u16 product
, major
, minor
, release
;
1667 clk_prepare_enable(dev
->clk_per
);
1668 clk_prepare_enable(dev
->clk_ahb
);
1671 * Copy the first CODA_ISRAM_SIZE in the internal SRAM.
1672 * The 16-bit chars in the code buffer are in memory access
1673 * order, re-sort them to CODA order for register download.
1674 * Data in this SRAM survives a reboot.
1676 p
= (u16
*)dev
->codebuf
.vaddr
;
1677 if (dev
->devtype
->product
== CODA_DX6
) {
1678 for (i
= 0; i
< (CODA_ISRAM_SIZE
/ 2); i
++) {
1679 data
= CODA_DOWN_ADDRESS_SET(i
) |
1680 CODA_DOWN_DATA_SET(p
[i
^ 1]);
1681 coda_write(dev
, data
, CODA_REG_BIT_CODE_DOWN
);
1684 for (i
= 0; i
< (CODA_ISRAM_SIZE
/ 2); i
++) {
1685 data
= CODA_DOWN_ADDRESS_SET(i
) |
1686 CODA_DOWN_DATA_SET(p
[round_down(i
, 4) +
1688 coda_write(dev
, data
, CODA_REG_BIT_CODE_DOWN
);
1692 /* Tell the BIT where to find everything it needs */
1693 coda_write(dev
, dev
->workbuf
.paddr
,
1694 CODA_REG_BIT_WORK_BUF_ADDR
);
1695 coda_write(dev
, dev
->codebuf
.paddr
,
1696 CODA_REG_BIT_CODE_BUF_ADDR
);
1697 coda_write(dev
, 0, CODA_REG_BIT_CODE_RUN
);
1699 /* Set default values */
1700 switch (dev
->devtype
->product
) {
1702 coda_write(dev
, CODADX6_STREAM_BUF_PIC_FLUSH
, CODA_REG_BIT_STREAM_CTRL
);
1705 coda_write(dev
, CODA7_STREAM_BUF_PIC_FLUSH
, CODA_REG_BIT_STREAM_CTRL
);
1707 coda_write(dev
, 0, CODA_REG_BIT_FRAME_MEM_CTRL
);
1709 if (dev
->devtype
->product
!= CODA_DX6
)
1710 coda_write(dev
, 0, CODA7_REG_BIT_AXI_SRAM_USE
);
1712 coda_write(dev
, CODA_INT_INTERRUPT_ENABLE
,
1713 CODA_REG_BIT_INT_ENABLE
);
1715 /* Reset VPU and start processor */
1716 data
= coda_read(dev
, CODA_REG_BIT_CODE_RESET
);
1717 data
|= CODA_REG_RESET_ENABLE
;
1718 coda_write(dev
, data
, CODA_REG_BIT_CODE_RESET
);
1720 data
&= ~CODA_REG_RESET_ENABLE
;
1721 coda_write(dev
, data
, CODA_REG_BIT_CODE_RESET
);
1722 coda_write(dev
, CODA_REG_RUN_ENABLE
, CODA_REG_BIT_CODE_RUN
);
1725 coda_write(dev
, 0, CODA_CMD_FIRMWARE_VERNUM
);
1726 coda_write(dev
, CODA_REG_BIT_BUSY_FLAG
, CODA_REG_BIT_BUSY
);
1727 coda_write(dev
, 0, CODA_REG_BIT_RUN_INDEX
);
1728 coda_write(dev
, 0, CODA_REG_BIT_RUN_COD_STD
);
1729 coda_write(dev
, CODA_COMMAND_FIRMWARE_GET
, CODA_REG_BIT_RUN_COMMAND
);
1730 if (coda_wait_timeout(dev
)) {
1731 clk_disable_unprepare(dev
->clk_per
);
1732 clk_disable_unprepare(dev
->clk_ahb
);
1733 v4l2_err(&dev
->v4l2_dev
, "firmware get command error\n");
1737 /* Check we are compatible with the loaded firmware */
1738 data
= coda_read(dev
, CODA_CMD_FIRMWARE_VERNUM
);
1739 product
= CODA_FIRMWARE_PRODUCT(data
);
1740 major
= CODA_FIRMWARE_MAJOR(data
);
1741 minor
= CODA_FIRMWARE_MINOR(data
);
1742 release
= CODA_FIRMWARE_RELEASE(data
);
1744 clk_disable_unprepare(dev
->clk_per
);
1745 clk_disable_unprepare(dev
->clk_ahb
);
1747 if (product
!= dev
->devtype
->product
) {
1748 v4l2_err(&dev
->v4l2_dev
, "Wrong firmware. Hw: %s, Fw: %s,"
1749 " Version: %u.%u.%u\n",
1750 coda_product_name(dev
->devtype
->product
),
1751 coda_product_name(product
), major
, minor
, release
);
1755 v4l2_info(&dev
->v4l2_dev
, "Initialized %s.\n",
1756 coda_product_name(product
));
1758 if (coda_firmware_supported(data
)) {
1759 v4l2_info(&dev
->v4l2_dev
, "Firmware version: %u.%u.%u\n",
1760 major
, minor
, release
);
1762 v4l2_warn(&dev
->v4l2_dev
, "Unsupported firmware version: "
1763 "%u.%u.%u\n", major
, minor
, release
);
1769 static void coda_fw_callback(const struct firmware
*fw
, void *context
)
1771 struct coda_dev
*dev
= context
;
1772 struct platform_device
*pdev
= dev
->plat_dev
;
1776 v4l2_err(&dev
->v4l2_dev
, "firmware request failed\n");
1780 /* allocate auxiliary per-device code buffer for the BIT processor */
1781 dev
->codebuf
.size
= fw
->size
;
1782 dev
->codebuf
.vaddr
= dma_alloc_coherent(&pdev
->dev
, fw
->size
,
1783 &dev
->codebuf
.paddr
,
1785 if (!dev
->codebuf
.vaddr
) {
1786 dev_err(&pdev
->dev
, "failed to allocate code buffer\n");
1790 /* Copy the whole firmware image to the code buffer */
1791 memcpy(dev
->codebuf
.vaddr
, fw
->data
, fw
->size
);
1792 release_firmware(fw
);
1794 ret
= coda_hw_init(dev
);
1796 v4l2_err(&dev
->v4l2_dev
, "HW initialization failed\n");
1800 dev
->vfd
.fops
= &coda_fops
,
1801 dev
->vfd
.ioctl_ops
= &coda_ioctl_ops
;
1802 dev
->vfd
.release
= video_device_release_empty
,
1803 dev
->vfd
.lock
= &dev
->dev_mutex
;
1804 dev
->vfd
.v4l2_dev
= &dev
->v4l2_dev
;
1805 dev
->vfd
.vfl_dir
= VFL_DIR_M2M
;
1806 snprintf(dev
->vfd
.name
, sizeof(dev
->vfd
.name
), "%s", CODA_NAME
);
1807 video_set_drvdata(&dev
->vfd
, dev
);
1809 dev
->alloc_ctx
= vb2_dma_contig_init_ctx(&pdev
->dev
);
1810 if (IS_ERR(dev
->alloc_ctx
)) {
1811 v4l2_err(&dev
->v4l2_dev
, "Failed to alloc vb2 context\n");
1815 dev
->m2m_dev
= v4l2_m2m_init(&coda_m2m_ops
);
1816 if (IS_ERR(dev
->m2m_dev
)) {
1817 v4l2_err(&dev
->v4l2_dev
, "Failed to init mem2mem device\n");
1821 ret
= video_register_device(&dev
->vfd
, VFL_TYPE_GRABBER
, 0);
1823 v4l2_err(&dev
->v4l2_dev
, "Failed to register video device\n");
1826 v4l2_info(&dev
->v4l2_dev
, "codec registered as /dev/video%d\n",
1832 v4l2_m2m_release(dev
->m2m_dev
);
1834 vb2_dma_contig_cleanup_ctx(dev
->alloc_ctx
);
1837 static int coda_firmware_request(struct coda_dev
*dev
)
1839 char *fw
= dev
->devtype
->firmware
;
1841 dev_dbg(&dev
->plat_dev
->dev
, "requesting firmware '%s' for %s\n", fw
,
1842 coda_product_name(dev
->devtype
->product
));
1844 return request_firmware_nowait(THIS_MODULE
, true,
1845 fw
, &dev
->plat_dev
->dev
, GFP_KERNEL
, dev
, coda_fw_callback
);
1848 enum coda_platform
{
1853 static const struct coda_devtype coda_devdata
[] = {
1855 .firmware
= "v4l-codadx6-imx27.bin",
1856 .product
= CODA_DX6
,
1857 .formats
= codadx6_formats
,
1858 .num_formats
= ARRAY_SIZE(codadx6_formats
),
1861 .firmware
= "v4l-coda7541-imx53.bin",
1862 .product
= CODA_7541
,
1863 .formats
= coda7_formats
,
1864 .num_formats
= ARRAY_SIZE(coda7_formats
),
1868 static struct platform_device_id coda_platform_ids
[] = {
1869 { .name
= "coda-imx27", .driver_data
= CODA_IMX27
},
1870 { .name
= "coda-imx53", .driver_data
= CODA_7541
},
1873 MODULE_DEVICE_TABLE(platform
, coda_platform_ids
);
1876 static const struct of_device_id coda_dt_ids
[] = {
1877 { .compatible
= "fsl,imx27-vpu", .data
= &coda_platform_ids
[CODA_IMX27
] },
1878 { .compatible
= "fsl,imx53-vpu", .data
= &coda_devdata
[CODA_IMX53
] },
1881 MODULE_DEVICE_TABLE(of
, coda_dt_ids
);
1884 static int __devinit
coda_probe(struct platform_device
*pdev
)
1886 const struct of_device_id
*of_id
=
1887 of_match_device(of_match_ptr(coda_dt_ids
), &pdev
->dev
);
1888 const struct platform_device_id
*pdev_id
;
1889 struct coda_dev
*dev
;
1890 struct resource
*res
;
1893 dev
= devm_kzalloc(&pdev
->dev
, sizeof *dev
, GFP_KERNEL
);
1895 dev_err(&pdev
->dev
, "Not enough memory for %s\n",
1900 spin_lock_init(&dev
->irqlock
);
1901 INIT_LIST_HEAD(&dev
->instances
);
1902 INIT_DELAYED_WORK(&dev
->timeout
, coda_timeout
);
1903 init_completion(&dev
->done
);
1904 complete(&dev
->done
);
1906 dev
->plat_dev
= pdev
;
1907 dev
->clk_per
= devm_clk_get(&pdev
->dev
, "per");
1908 if (IS_ERR(dev
->clk_per
)) {
1909 dev_err(&pdev
->dev
, "Could not get per clock\n");
1910 return PTR_ERR(dev
->clk_per
);
1913 dev
->clk_ahb
= devm_clk_get(&pdev
->dev
, "ahb");
1914 if (IS_ERR(dev
->clk_ahb
)) {
1915 dev_err(&pdev
->dev
, "Could not get ahb clock\n");
1916 return PTR_ERR(dev
->clk_ahb
);
1919 /* Get memory for physical registers */
1920 res
= platform_get_resource(pdev
, IORESOURCE_MEM
, 0);
1922 dev_err(&pdev
->dev
, "failed to get memory region resource\n");
1926 if (devm_request_mem_region(&pdev
->dev
, res
->start
,
1927 resource_size(res
), CODA_NAME
) == NULL
) {
1928 dev_err(&pdev
->dev
, "failed to request memory region\n");
1931 dev
->regs_base
= devm_ioremap(&pdev
->dev
, res
->start
,
1932 resource_size(res
));
1933 if (!dev
->regs_base
) {
1934 dev_err(&pdev
->dev
, "failed to ioremap address region\n");
1939 irq
= platform_get_irq(pdev
, 0);
1941 dev_err(&pdev
->dev
, "failed to get irq resource\n");
1945 if (devm_request_irq(&pdev
->dev
, irq
, coda_irq_handler
,
1946 0, CODA_NAME
, dev
) < 0) {
1947 dev_err(&pdev
->dev
, "failed to request irq\n");
1951 ret
= v4l2_device_register(&pdev
->dev
, &dev
->v4l2_dev
);
1955 mutex_init(&dev
->dev_mutex
);
1957 pdev_id
= of_id
? of_id
->data
: platform_get_device_id(pdev
);
1960 dev
->devtype
= of_id
->data
;
1961 } else if (pdev_id
) {
1962 dev
->devtype
= &coda_devdata
[pdev_id
->driver_data
];
1964 v4l2_device_unregister(&dev
->v4l2_dev
);
1968 /* allocate auxiliary per-device buffers for the BIT processor */
1969 switch (dev
->devtype
->product
) {
1971 dev
->workbuf
.size
= CODADX6_WORK_BUF_SIZE
;
1974 dev
->workbuf
.size
= CODA7_WORK_BUF_SIZE
;
1976 dev
->workbuf
.vaddr
= dma_alloc_coherent(&pdev
->dev
, dev
->workbuf
.size
,
1977 &dev
->workbuf
.paddr
,
1979 if (!dev
->workbuf
.vaddr
) {
1980 dev_err(&pdev
->dev
, "failed to allocate work buffer\n");
1981 v4l2_device_unregister(&dev
->v4l2_dev
);
1985 if (dev
->devtype
->product
== CODA_DX6
) {
1986 dev
->iram_paddr
= 0xffff4c00;
1988 void __iomem
*iram_vaddr
;
1990 iram_vaddr
= iram_alloc(CODA7_IRAM_SIZE
,
1993 dev_err(&pdev
->dev
, "unable to alloc iram\n");
1998 platform_set_drvdata(pdev
, dev
);
2000 return coda_firmware_request(dev
);
2003 static int coda_remove(struct platform_device
*pdev
)
2005 struct coda_dev
*dev
= platform_get_drvdata(pdev
);
2007 video_unregister_device(&dev
->vfd
);
2009 v4l2_m2m_release(dev
->m2m_dev
);
2011 vb2_dma_contig_cleanup_ctx(dev
->alloc_ctx
);
2012 v4l2_device_unregister(&dev
->v4l2_dev
);
2013 if (dev
->iram_paddr
)
2014 iram_free(dev
->iram_paddr
, CODA7_IRAM_SIZE
);
2015 if (dev
->codebuf
.vaddr
)
2016 dma_free_coherent(&pdev
->dev
, dev
->codebuf
.size
,
2017 &dev
->codebuf
.vaddr
, dev
->codebuf
.paddr
);
2018 if (dev
->workbuf
.vaddr
)
2019 dma_free_coherent(&pdev
->dev
, dev
->workbuf
.size
, &dev
->workbuf
.vaddr
,
2020 dev
->workbuf
.paddr
);
2024 static struct platform_driver coda_driver
= {
2025 .probe
= coda_probe
,
2026 .remove
= __devexit_p(coda_remove
),
2029 .owner
= THIS_MODULE
,
2030 .of_match_table
= of_match_ptr(coda_dt_ids
),
2032 .id_table
= coda_platform_ids
,
2035 module_platform_driver(coda_driver
);
2037 MODULE_LICENSE("GPL");
2038 MODULE_AUTHOR("Javier Martin <javier.martin@vista-silicon.com>");
2039 MODULE_DESCRIPTION("Coda multi-standard codec V4L2 driver");