2 * Auvitek AU0828 USB Bridge (Analog video support)
4 * Copyright (C) 2009 Devin Heitmueller <dheitmueller@linuxtv.org>
5 * Copyright (C) 2005-2008 Auvitek International, Ltd.
7 * This program is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU General Public License
9 * As published by the Free Software Foundation; either version 2
10 * of the License, or (at your option) any later version.
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
25 * The hardware scaler supported is unimplemented
26 * AC97 audio support is unimplemented (only i2s audio mode)
32 #include <linux/module.h>
33 #include <linux/slab.h>
34 #include <linux/init.h>
35 #include <linux/device.h>
36 #include <media/v4l2-common.h>
37 #include <media/v4l2-ioctl.h>
38 #include <media/v4l2-event.h>
39 #include <media/tuner.h>
40 #include "au0828-reg.h"
42 static DEFINE_MUTEX(au0828_sysfs_lock
);
44 /* ------------------------------------------------------------------
46 ------------------------------------------------------------------*/
48 static unsigned int isoc_debug
;
49 module_param(isoc_debug
, int, 0644);
50 MODULE_PARM_DESC(isoc_debug
, "enable debug messages [isoc transfers]");
52 #define au0828_isocdbg(fmt, arg...) \
55 pr_info("au0828 %s :"fmt, \
60 static inline void i2c_gate_ctrl(struct au0828_dev
*dev
, int val
)
62 if (dev
->dvb
.frontend
&& dev
->dvb
.frontend
->ops
.analog_ops
.i2c_gate_ctrl
)
63 dev
->dvb
.frontend
->ops
.analog_ops
.i2c_gate_ctrl(dev
->dvb
.frontend
, val
);
66 static inline void print_err_status(struct au0828_dev
*dev
,
67 int packet
, int status
)
69 char *errmsg
= "Unknown";
73 errmsg
= "unlinked synchronuously";
76 errmsg
= "unlinked asynchronuously";
79 errmsg
= "Buffer error (overrun)";
82 errmsg
= "Stalled (device not responding)";
85 errmsg
= "Babble (bad cable?)";
88 errmsg
= "Bit-stuff error (bad cable?)";
91 errmsg
= "CRC/Timeout (could be anything)";
94 errmsg
= "Device does not respond";
98 au0828_isocdbg("URB status %d [%s].\n", status
, errmsg
);
100 au0828_isocdbg("URB packet %d, status %d [%s].\n",
101 packet
, status
, errmsg
);
105 static int check_dev(struct au0828_dev
*dev
)
107 if (dev
->dev_state
& DEV_DISCONNECTED
) {
108 pr_info("v4l2 ioctl: device not present\n");
112 if (dev
->dev_state
& DEV_MISCONFIGURED
) {
113 pr_info("v4l2 ioctl: device is misconfigured; "
114 "close and open it again\n");
121 * IRQ callback, called by URB callback
123 static void au0828_irq_callback(struct urb
*urb
)
125 struct au0828_dmaqueue
*dma_q
= urb
->context
;
126 struct au0828_dev
*dev
= container_of(dma_q
, struct au0828_dev
, vidq
);
127 unsigned long flags
= 0;
130 switch (urb
->status
) {
131 case 0: /* success */
132 case -ETIMEDOUT
: /* NAK */
134 case -ECONNRESET
: /* kill */
137 au0828_isocdbg("au0828_irq_callback called: status kill\n");
139 default: /* unknown error */
140 au0828_isocdbg("urb completition error %d.\n", urb
->status
);
144 /* Copy data from URB */
145 spin_lock_irqsave(&dev
->slock
, flags
);
146 dev
->isoc_ctl
.isoc_copy(dev
, urb
);
147 spin_unlock_irqrestore(&dev
->slock
, flags
);
149 /* Reset urb buffers */
150 for (i
= 0; i
< urb
->number_of_packets
; i
++) {
151 urb
->iso_frame_desc
[i
].status
= 0;
152 urb
->iso_frame_desc
[i
].actual_length
= 0;
156 urb
->status
= usb_submit_urb(urb
, GFP_ATOMIC
);
158 au0828_isocdbg("urb resubmit failed (error=%i)\n",
161 dev
->stream_state
= STREAM_ON
;
165 * Stop and Deallocate URBs
167 static void au0828_uninit_isoc(struct au0828_dev
*dev
)
172 au0828_isocdbg("au0828: called au0828_uninit_isoc\n");
174 dev
->isoc_ctl
.nfields
= -1;
175 for (i
= 0; i
< dev
->isoc_ctl
.num_bufs
; i
++) {
176 urb
= dev
->isoc_ctl
.urb
[i
];
178 if (!irqs_disabled())
183 if (dev
->isoc_ctl
.transfer_buffer
[i
]) {
184 usb_free_coherent(dev
->usbdev
,
185 urb
->transfer_buffer_length
,
186 dev
->isoc_ctl
.transfer_buffer
[i
],
190 dev
->isoc_ctl
.urb
[i
] = NULL
;
192 dev
->isoc_ctl
.transfer_buffer
[i
] = NULL
;
195 kfree(dev
->isoc_ctl
.urb
);
196 kfree(dev
->isoc_ctl
.transfer_buffer
);
198 dev
->isoc_ctl
.urb
= NULL
;
199 dev
->isoc_ctl
.transfer_buffer
= NULL
;
200 dev
->isoc_ctl
.num_bufs
= 0;
202 dev
->stream_state
= STREAM_OFF
;
206 * Allocate URBs and start IRQ
208 static int au0828_init_isoc(struct au0828_dev
*dev
, int max_packets
,
209 int num_bufs
, int max_pkt_size
,
210 int (*isoc_copy
) (struct au0828_dev
*dev
, struct urb
*urb
))
212 struct au0828_dmaqueue
*dma_q
= &dev
->vidq
;
219 au0828_isocdbg("au0828: called au0828_prepare_isoc\n");
221 dev
->isoc_ctl
.isoc_copy
= isoc_copy
;
222 dev
->isoc_ctl
.num_bufs
= num_bufs
;
224 dev
->isoc_ctl
.urb
= kzalloc(sizeof(void *)*num_bufs
, GFP_KERNEL
);
225 if (!dev
->isoc_ctl
.urb
) {
226 au0828_isocdbg("cannot alloc memory for usb buffers\n");
230 dev
->isoc_ctl
.transfer_buffer
= kzalloc(sizeof(void *)*num_bufs
,
232 if (!dev
->isoc_ctl
.transfer_buffer
) {
233 au0828_isocdbg("cannot allocate memory for usb transfer\n");
234 kfree(dev
->isoc_ctl
.urb
);
238 dev
->isoc_ctl
.max_pkt_size
= max_pkt_size
;
239 dev
->isoc_ctl
.buf
= NULL
;
241 sb_size
= max_packets
* dev
->isoc_ctl
.max_pkt_size
;
243 /* allocate urbs and transfer buffers */
244 for (i
= 0; i
< dev
->isoc_ctl
.num_bufs
; i
++) {
245 urb
= usb_alloc_urb(max_packets
, GFP_KERNEL
);
247 au0828_isocdbg("cannot alloc isoc_ctl.urb %i\n", i
);
248 au0828_uninit_isoc(dev
);
251 dev
->isoc_ctl
.urb
[i
] = urb
;
253 dev
->isoc_ctl
.transfer_buffer
[i
] = usb_alloc_coherent(dev
->usbdev
,
254 sb_size
, GFP_KERNEL
, &urb
->transfer_dma
);
255 if (!dev
->isoc_ctl
.transfer_buffer
[i
]) {
256 printk("unable to allocate %i bytes for transfer"
259 in_interrupt() ? " while in int" : "");
260 au0828_uninit_isoc(dev
);
263 memset(dev
->isoc_ctl
.transfer_buffer
[i
], 0, sb_size
);
265 pipe
= usb_rcvisocpipe(dev
->usbdev
,
266 dev
->isoc_in_endpointaddr
),
268 usb_fill_int_urb(urb
, dev
->usbdev
, pipe
,
269 dev
->isoc_ctl
.transfer_buffer
[i
], sb_size
,
270 au0828_irq_callback
, dma_q
, 1);
272 urb
->number_of_packets
= max_packets
;
273 urb
->transfer_flags
= URB_ISO_ASAP
| URB_NO_TRANSFER_DMA_MAP
;
276 for (j
= 0; j
< max_packets
; j
++) {
277 urb
->iso_frame_desc
[j
].offset
= k
;
278 urb
->iso_frame_desc
[j
].length
=
279 dev
->isoc_ctl
.max_pkt_size
;
280 k
+= dev
->isoc_ctl
.max_pkt_size
;
284 /* submit urbs and enables IRQ */
285 for (i
= 0; i
< dev
->isoc_ctl
.num_bufs
; i
++) {
286 rc
= usb_submit_urb(dev
->isoc_ctl
.urb
[i
], GFP_ATOMIC
);
288 au0828_isocdbg("submit of urb %i failed (error=%i)\n",
290 au0828_uninit_isoc(dev
);
299 * Announces that a buffer were filled and request the next
301 static inline void buffer_filled(struct au0828_dev
*dev
,
302 struct au0828_dmaqueue
*dma_q
,
303 struct au0828_buffer
*buf
)
305 struct vb2_v4l2_buffer
*vb
= &buf
->vb
;
306 struct vb2_queue
*q
= vb
->vb2_buf
.vb2_queue
;
308 /* Advice that buffer was filled */
309 au0828_isocdbg("[%p/%d] wakeup\n", buf
, buf
->top_field
);
311 if (q
->type
== V4L2_BUF_TYPE_VIDEO_CAPTURE
)
312 vb
->sequence
= dev
->frame_count
++;
314 vb
->sequence
= dev
->vbi_frame_count
++;
316 vb
->field
= V4L2_FIELD_INTERLACED
;
317 vb
->vb2_buf
.timestamp
= ktime_get_ns();
318 vb2_buffer_done(&vb
->vb2_buf
, VB2_BUF_STATE_DONE
);
322 * Identify the buffer header type and properly handles
324 static void au0828_copy_video(struct au0828_dev
*dev
,
325 struct au0828_dmaqueue
*dma_q
,
326 struct au0828_buffer
*buf
,
328 unsigned char *outp
, unsigned long len
)
330 void *fieldstart
, *startwrite
, *startread
;
331 int linesdone
, currlinedone
, offset
, lencopy
, remain
;
332 int bytesperline
= dev
->width
<< 1; /* Assumes 16-bit depth @@@@ */
337 if (dma_q
->pos
+ len
> buf
->length
)
338 len
= buf
->length
- dma_q
->pos
;
343 /* Interlaces frame */
347 fieldstart
= outp
+ bytesperline
;
349 linesdone
= dma_q
->pos
/ bytesperline
;
350 currlinedone
= dma_q
->pos
% bytesperline
;
351 offset
= linesdone
* bytesperline
* 2 + currlinedone
;
352 startwrite
= fieldstart
+ offset
;
353 lencopy
= bytesperline
- currlinedone
;
354 lencopy
= lencopy
> remain
? remain
: lencopy
;
356 if ((char *)startwrite
+ lencopy
> (char *)outp
+ buf
->length
) {
357 au0828_isocdbg("Overflow of %zi bytes past buffer end (1)\n",
358 ((char *)startwrite
+ lencopy
) -
359 ((char *)outp
+ buf
->length
));
360 remain
= (char *)outp
+ buf
->length
- (char *)startwrite
;
365 memcpy(startwrite
, startread
, lencopy
);
370 startwrite
+= lencopy
+ bytesperline
;
371 startread
+= lencopy
;
372 if (bytesperline
> remain
)
375 lencopy
= bytesperline
;
377 if ((char *)startwrite
+ lencopy
> (char *)outp
+
379 au0828_isocdbg("Overflow %zi bytes past buf end (2)\n",
380 ((char *)startwrite
+ lencopy
) -
381 ((char *)outp
+ buf
->length
));
382 lencopy
= remain
= (char *)outp
+ buf
->length
-
388 memcpy(startwrite
, startread
, lencopy
);
394 /* We have enough data to check for greenscreen */
395 if (outp
[0] < 0x60 && outp
[1440] < 0x60)
396 dev
->greenscreen_detected
= 1;
403 * video-buf generic routine to get the next available buffer
405 static inline void get_next_buf(struct au0828_dmaqueue
*dma_q
,
406 struct au0828_buffer
**buf
)
408 struct au0828_dev
*dev
= container_of(dma_q
, struct au0828_dev
, vidq
);
410 if (list_empty(&dma_q
->active
)) {
411 au0828_isocdbg("No active queue to serve\n");
412 dev
->isoc_ctl
.buf
= NULL
;
417 /* Get the next buffer */
418 *buf
= list_entry(dma_q
->active
.next
, struct au0828_buffer
, list
);
419 /* Cleans up buffer - Useful for testing for frame/URB loss */
420 list_del(&(*buf
)->list
);
422 (*buf
)->vb_buf
= (*buf
)->mem
;
423 dev
->isoc_ctl
.buf
= *buf
;
428 static void au0828_copy_vbi(struct au0828_dev
*dev
,
429 struct au0828_dmaqueue
*dma_q
,
430 struct au0828_buffer
*buf
,
432 unsigned char *outp
, unsigned long len
)
434 unsigned char *startwrite
, *startread
;
439 au0828_isocdbg("dev is null\n");
444 au0828_isocdbg("dma_q is null\n");
450 au0828_isocdbg("p is null\n");
454 au0828_isocdbg("outp is null\n");
458 bytesperline
= dev
->vbi_width
;
460 if (dma_q
->pos
+ len
> buf
->length
)
461 len
= buf
->length
- dma_q
->pos
;
464 startwrite
= outp
+ (dma_q
->pos
/ 2);
466 /* Make sure the bottom field populates the second half of the frame */
467 if (buf
->top_field
== 0)
468 startwrite
+= bytesperline
* dev
->vbi_height
;
470 for (i
= 0; i
< len
; i
+= 2)
471 startwrite
[j
++] = startread
[i
+1];
478 * video-buf generic routine to get the next available VBI buffer
480 static inline void vbi_get_next_buf(struct au0828_dmaqueue
*dma_q
,
481 struct au0828_buffer
**buf
)
483 struct au0828_dev
*dev
= container_of(dma_q
, struct au0828_dev
, vbiq
);
485 if (list_empty(&dma_q
->active
)) {
486 au0828_isocdbg("No active queue to serve\n");
487 dev
->isoc_ctl
.vbi_buf
= NULL
;
492 /* Get the next buffer */
493 *buf
= list_entry(dma_q
->active
.next
, struct au0828_buffer
, list
);
494 /* Cleans up buffer - Useful for testing for frame/URB loss */
495 list_del(&(*buf
)->list
);
497 (*buf
)->vb_buf
= (*buf
)->mem
;
498 dev
->isoc_ctl
.vbi_buf
= *buf
;
503 * Controls the isoc copy of each urb packet
505 static inline int au0828_isoc_copy(struct au0828_dev
*dev
, struct urb
*urb
)
507 struct au0828_buffer
*buf
;
508 struct au0828_buffer
*vbi_buf
;
509 struct au0828_dmaqueue
*dma_q
= urb
->context
;
510 struct au0828_dmaqueue
*vbi_dma_q
= &dev
->vbiq
;
511 unsigned char *outp
= NULL
;
512 unsigned char *vbioutp
= NULL
;
513 int i
, len
= 0, rc
= 1;
516 unsigned int vbi_field_size
;
517 unsigned int remain
, lencopy
;
522 if ((dev
->dev_state
& DEV_DISCONNECTED
) ||
523 (dev
->dev_state
& DEV_MISCONFIGURED
))
526 if (urb
->status
< 0) {
527 print_err_status(dev
, -1, urb
->status
);
528 if (urb
->status
== -ENOENT
)
532 buf
= dev
->isoc_ctl
.buf
;
534 outp
= vb2_plane_vaddr(&buf
->vb
.vb2_buf
, 0);
536 vbi_buf
= dev
->isoc_ctl
.vbi_buf
;
538 vbioutp
= vb2_plane_vaddr(&vbi_buf
->vb
.vb2_buf
, 0);
540 for (i
= 0; i
< urb
->number_of_packets
; i
++) {
541 int status
= urb
->iso_frame_desc
[i
].status
;
544 print_err_status(dev
, i
, status
);
545 if (urb
->iso_frame_desc
[i
].status
!= -EPROTO
)
549 if (urb
->iso_frame_desc
[i
].actual_length
<= 0)
552 if (urb
->iso_frame_desc
[i
].actual_length
>
554 au0828_isocdbg("packet bigger than packet size");
558 p
= urb
->transfer_buffer
+ urb
->iso_frame_desc
[i
].offset
;
560 len
= urb
->iso_frame_desc
[i
].actual_length
- 4;
566 au0828_isocdbg("Video frame %s\n",
567 (fbyte
& 0x40) ? "odd" : "even");
571 buffer_filled(dev
, vbi_dma_q
, vbi_buf
);
572 vbi_get_next_buf(vbi_dma_q
, &vbi_buf
);
576 vbioutp
= vb2_plane_vaddr(
577 &vbi_buf
->vb
.vb2_buf
, 0);
581 buffer_filled(dev
, dma_q
, buf
);
582 get_next_buf(dma_q
, &buf
);
586 outp
= vb2_plane_vaddr(
587 &buf
->vb
.vb2_buf
, 0);
589 /* As long as isoc traffic is arriving, keep
590 resetting the timer */
591 if (dev
->vid_timeout_running
)
592 mod_timer(&dev
->vid_timeout
,
593 jiffies
+ (HZ
/ 10));
594 if (dev
->vbi_timeout_running
)
595 mod_timer(&dev
->vbi_timeout
,
596 jiffies
+ (HZ
/ 10));
606 if (vbi_buf
!= NULL
) {
608 vbi_buf
->top_field
= 1;
610 vbi_buf
->top_field
= 0;
618 vbi_field_size
= dev
->vbi_width
* dev
->vbi_height
* 2;
619 if (dev
->vbi_read
< vbi_field_size
) {
620 remain
= vbi_field_size
- dev
->vbi_read
;
627 au0828_copy_vbi(dev
, vbi_dma_q
, vbi_buf
, p
,
632 dev
->vbi_read
+= lencopy
;
635 if (dev
->vbi_read
>= vbi_field_size
&& buf
!= NULL
)
636 au0828_copy_video(dev
, dma_q
, buf
, p
, outp
, len
);
641 static int au0828_enable_analog_tuner(struct au0828_dev
*dev
)
643 #ifdef CONFIG_MEDIA_CONTROLLER
644 struct media_device
*mdev
= dev
->media_dev
;
645 struct media_entity
*source
;
646 struct media_link
*link
, *found_link
= NULL
;
647 int ret
, active_links
= 0;
649 if (!mdev
|| !dev
->decoder
)
653 * This will find the tuner that is connected into the decoder.
654 * Technically, this is not 100% correct, as the device may be
655 * using an analog input instead of the tuner. However, as we can't
656 * do DVB streaming while the DMA engine is being used for V4L2,
657 * this should be enough for the actual needs.
659 list_for_each_entry(link
, &dev
->decoder
->links
, list
) {
660 if (link
->sink
->entity
== dev
->decoder
) {
662 if (link
->flags
& MEDIA_LNK_FL_ENABLED
)
668 if (active_links
== 1 || !found_link
)
671 source
= found_link
->source
->entity
;
672 list_for_each_entry(link
, &source
->links
, list
) {
673 struct media_entity
*sink
;
676 sink
= link
->sink
->entity
;
678 if (sink
== dev
->decoder
)
679 flags
= MEDIA_LNK_FL_ENABLED
;
681 ret
= media_entity_setup_link(link
, flags
);
684 "Couldn't change link %s->%s to %s. Error %d\n",
685 source
->name
, sink
->name
,
686 flags
? "enabled" : "disabled",
691 "link %s->%s was %s\n",
692 source
->name
, sink
->name
,
693 flags
? "ENABLED" : "disabled");
699 static int queue_setup(struct vb2_queue
*vq
,
700 unsigned int *nbuffers
, unsigned int *nplanes
,
701 unsigned int sizes
[], void *alloc_ctxs
[])
703 struct au0828_dev
*dev
= vb2_get_drv_priv(vq
);
704 unsigned long size
= dev
->height
* dev
->bytesperline
;
707 return sizes
[0] < size
? -EINVAL
: 0;
711 au0828_enable_analog_tuner(dev
);
717 buffer_prepare(struct vb2_buffer
*vb
)
719 struct vb2_v4l2_buffer
*vbuf
= to_vb2_v4l2_buffer(vb
);
720 struct au0828_buffer
*buf
= container_of(vbuf
,
721 struct au0828_buffer
, vb
);
722 struct au0828_dev
*dev
= vb2_get_drv_priv(vb
->vb2_queue
);
724 buf
->length
= dev
->height
* dev
->bytesperline
;
726 if (vb2_plane_size(vb
, 0) < buf
->length
) {
727 pr_err("%s data will not fit into plane (%lu < %lu)\n",
728 __func__
, vb2_plane_size(vb
, 0), buf
->length
);
731 vb2_set_plane_payload(&buf
->vb
.vb2_buf
, 0, buf
->length
);
736 buffer_queue(struct vb2_buffer
*vb
)
738 struct vb2_v4l2_buffer
*vbuf
= to_vb2_v4l2_buffer(vb
);
739 struct au0828_buffer
*buf
= container_of(vbuf
,
740 struct au0828_buffer
,
742 struct au0828_dev
*dev
= vb2_get_drv_priv(vb
->vb2_queue
);
743 struct au0828_dmaqueue
*vidq
= &dev
->vidq
;
744 unsigned long flags
= 0;
746 buf
->mem
= vb2_plane_vaddr(vb
, 0);
747 buf
->length
= vb2_plane_size(vb
, 0);
749 spin_lock_irqsave(&dev
->slock
, flags
);
750 list_add_tail(&buf
->list
, &vidq
->active
);
751 spin_unlock_irqrestore(&dev
->slock
, flags
);
754 static int au0828_i2s_init(struct au0828_dev
*dev
)
756 /* Enable i2s mode */
757 au0828_writereg(dev
, AU0828_AUDIOCTRL_50C
, 0x01);
762 * Auvitek au0828 analog stream enable
764 static int au0828_analog_stream_enable(struct au0828_dev
*d
)
766 struct usb_interface
*iface
;
769 dprintk(1, "au0828_analog_stream_enable called\n");
771 iface
= usb_ifnum_to_if(d
->usbdev
, 0);
772 if (iface
&& iface
->cur_altsetting
->desc
.bAlternateSetting
!= 5) {
773 dprintk(1, "Changing intf#0 to alt 5\n");
774 /* set au0828 interface0 to AS5 here again */
775 ret
= usb_set_interface(d
->usbdev
, 0, 5);
777 pr_info("Au0828 can't set alt setting to 5!\n");
782 h
= d
->height
/ 2 + 2;
785 au0828_writereg(d
, AU0828_SENSORCTRL_VBI_103
, 0x00);
786 au0828_writereg(d
, 0x106, 0x00);
788 au0828_writereg(d
, 0x110, 0x00);
789 au0828_writereg(d
, 0x111, 0x00);
790 au0828_writereg(d
, 0x114, w
& 0xff);
791 au0828_writereg(d
, 0x115, w
>> 8);
793 au0828_writereg(d
, 0x112, 0x00);
794 au0828_writereg(d
, 0x113, 0x00);
795 au0828_writereg(d
, 0x116, h
& 0xff);
796 au0828_writereg(d
, 0x117, h
>> 8);
797 au0828_writereg(d
, AU0828_SENSORCTRL_100
, 0xb3);
802 static int au0828_analog_stream_disable(struct au0828_dev
*d
)
804 dprintk(1, "au0828_analog_stream_disable called\n");
805 au0828_writereg(d
, AU0828_SENSORCTRL_100
, 0x0);
809 static void au0828_analog_stream_reset(struct au0828_dev
*dev
)
811 dprintk(1, "au0828_analog_stream_reset called\n");
812 au0828_writereg(dev
, AU0828_SENSORCTRL_100
, 0x0);
814 au0828_writereg(dev
, AU0828_SENSORCTRL_100
, 0xb3);
818 * Some operations needs to stop current streaming
820 static int au0828_stream_interrupt(struct au0828_dev
*dev
)
824 dev
->stream_state
= STREAM_INTERRUPT
;
825 if (dev
->dev_state
== DEV_DISCONNECTED
)
828 dev
->dev_state
= DEV_MISCONFIGURED
;
829 dprintk(1, "%s device is misconfigured!\n", __func__
);
835 int au0828_start_analog_streaming(struct vb2_queue
*vq
, unsigned int count
)
837 struct au0828_dev
*dev
= vb2_get_drv_priv(vq
);
840 dprintk(1, "au0828_start_analog_streaming called %d\n",
841 dev
->streaming_users
);
843 if (vq
->type
== V4L2_BUF_TYPE_VIDEO_CAPTURE
)
844 dev
->frame_count
= 0;
846 dev
->vbi_frame_count
= 0;
848 if (dev
->streaming_users
== 0) {
849 /* If we were doing ac97 instead of i2s, it would go here...*/
850 au0828_i2s_init(dev
);
851 rc
= au0828_init_isoc(dev
, AU0828_ISO_PACKETS_PER_URB
,
852 AU0828_MAX_ISO_BUFS
, dev
->max_pkt_size
,
855 pr_info("au0828_init_isoc failed\n");
859 if (vq
->type
== V4L2_BUF_TYPE_VIDEO_CAPTURE
) {
860 v4l2_device_call_all(&dev
->v4l2_dev
, 0, video
,
862 dev
->vid_timeout_running
= 1;
863 mod_timer(&dev
->vid_timeout
, jiffies
+ (HZ
/ 10));
864 } else if (vq
->type
== V4L2_BUF_TYPE_VBI_CAPTURE
) {
865 dev
->vbi_timeout_running
= 1;
866 mod_timer(&dev
->vbi_timeout
, jiffies
+ (HZ
/ 10));
869 dev
->streaming_users
++;
873 static void au0828_stop_streaming(struct vb2_queue
*vq
)
875 struct au0828_dev
*dev
= vb2_get_drv_priv(vq
);
876 struct au0828_dmaqueue
*vidq
= &dev
->vidq
;
877 unsigned long flags
= 0;
879 dprintk(1, "au0828_stop_streaming called %d\n", dev
->streaming_users
);
881 if (dev
->streaming_users
-- == 1)
882 au0828_uninit_isoc(dev
);
884 v4l2_device_call_all(&dev
->v4l2_dev
, 0, video
, s_stream
, 0);
885 dev
->vid_timeout_running
= 0;
886 del_timer_sync(&dev
->vid_timeout
);
888 spin_lock_irqsave(&dev
->slock
, flags
);
889 if (dev
->isoc_ctl
.buf
!= NULL
) {
890 vb2_buffer_done(&dev
->isoc_ctl
.buf
->vb
.vb2_buf
,
891 VB2_BUF_STATE_ERROR
);
892 dev
->isoc_ctl
.buf
= NULL
;
894 while (!list_empty(&vidq
->active
)) {
895 struct au0828_buffer
*buf
;
897 buf
= list_entry(vidq
->active
.next
, struct au0828_buffer
, list
);
898 vb2_buffer_done(&buf
->vb
.vb2_buf
, VB2_BUF_STATE_ERROR
);
899 list_del(&buf
->list
);
901 spin_unlock_irqrestore(&dev
->slock
, flags
);
904 void au0828_stop_vbi_streaming(struct vb2_queue
*vq
)
906 struct au0828_dev
*dev
= vb2_get_drv_priv(vq
);
907 struct au0828_dmaqueue
*vbiq
= &dev
->vbiq
;
908 unsigned long flags
= 0;
910 dprintk(1, "au0828_stop_vbi_streaming called %d\n",
911 dev
->streaming_users
);
913 if (dev
->streaming_users
-- == 1)
914 au0828_uninit_isoc(dev
);
916 spin_lock_irqsave(&dev
->slock
, flags
);
917 if (dev
->isoc_ctl
.vbi_buf
!= NULL
) {
918 vb2_buffer_done(&dev
->isoc_ctl
.vbi_buf
->vb
.vb2_buf
,
919 VB2_BUF_STATE_ERROR
);
920 dev
->isoc_ctl
.vbi_buf
= NULL
;
922 while (!list_empty(&vbiq
->active
)) {
923 struct au0828_buffer
*buf
;
925 buf
= list_entry(vbiq
->active
.next
, struct au0828_buffer
, list
);
926 list_del(&buf
->list
);
927 vb2_buffer_done(&buf
->vb
.vb2_buf
, VB2_BUF_STATE_ERROR
);
929 spin_unlock_irqrestore(&dev
->slock
, flags
);
931 dev
->vbi_timeout_running
= 0;
932 del_timer_sync(&dev
->vbi_timeout
);
935 static struct vb2_ops au0828_video_qops
= {
936 .queue_setup
= queue_setup
,
937 .buf_prepare
= buffer_prepare
,
938 .buf_queue
= buffer_queue
,
939 .start_streaming
= au0828_start_analog_streaming
,
940 .stop_streaming
= au0828_stop_streaming
,
941 .wait_prepare
= vb2_ops_wait_prepare
,
942 .wait_finish
= vb2_ops_wait_finish
,
945 /* ------------------------------------------------------------------
947 ------------------------------------------------------------------*/
949 * au0828_analog_unregister
950 * unregister v4l2 devices
952 void au0828_analog_unregister(struct au0828_dev
*dev
)
954 dprintk(1, "au0828_analog_unregister called\n");
955 mutex_lock(&au0828_sysfs_lock
);
956 video_unregister_device(&dev
->vdev
);
957 video_unregister_device(&dev
->vbi_dev
);
958 mutex_unlock(&au0828_sysfs_lock
);
961 /* This function ensures that video frames continue to be delivered even if
962 the ITU-656 input isn't receiving any data (thereby preventing applications
963 such as tvtime from hanging) */
964 static void au0828_vid_buffer_timeout(unsigned long data
)
966 struct au0828_dev
*dev
= (struct au0828_dev
*) data
;
967 struct au0828_dmaqueue
*dma_q
= &dev
->vidq
;
968 struct au0828_buffer
*buf
;
969 unsigned char *vid_data
;
970 unsigned long flags
= 0;
972 spin_lock_irqsave(&dev
->slock
, flags
);
974 buf
= dev
->isoc_ctl
.buf
;
976 vid_data
= vb2_plane_vaddr(&buf
->vb
.vb2_buf
, 0);
977 memset(vid_data
, 0x00, buf
->length
); /* Blank green frame */
978 buffer_filled(dev
, dma_q
, buf
);
980 get_next_buf(dma_q
, &buf
);
982 if (dev
->vid_timeout_running
== 1)
983 mod_timer(&dev
->vid_timeout
, jiffies
+ (HZ
/ 10));
985 spin_unlock_irqrestore(&dev
->slock
, flags
);
988 static void au0828_vbi_buffer_timeout(unsigned long data
)
990 struct au0828_dev
*dev
= (struct au0828_dev
*) data
;
991 struct au0828_dmaqueue
*dma_q
= &dev
->vbiq
;
992 struct au0828_buffer
*buf
;
993 unsigned char *vbi_data
;
994 unsigned long flags
= 0;
996 spin_lock_irqsave(&dev
->slock
, flags
);
998 buf
= dev
->isoc_ctl
.vbi_buf
;
1000 vbi_data
= vb2_plane_vaddr(&buf
->vb
.vb2_buf
, 0);
1001 memset(vbi_data
, 0x00, buf
->length
);
1002 buffer_filled(dev
, dma_q
, buf
);
1004 vbi_get_next_buf(dma_q
, &buf
);
1006 if (dev
->vbi_timeout_running
== 1)
1007 mod_timer(&dev
->vbi_timeout
, jiffies
+ (HZ
/ 10));
1008 spin_unlock_irqrestore(&dev
->slock
, flags
);
1011 static int au0828_v4l2_open(struct file
*filp
)
1013 struct au0828_dev
*dev
= video_drvdata(filp
);
1017 "%s called std_set %d dev_state %d stream users %d users %d\n",
1018 __func__
, dev
->std_set_in_tuner_core
, dev
->dev_state
,
1019 dev
->streaming_users
, dev
->users
);
1021 if (mutex_lock_interruptible(&dev
->lock
))
1022 return -ERESTARTSYS
;
1024 ret
= v4l2_fh_open(filp
);
1026 au0828_isocdbg("%s: v4l2_fh_open() returned error %d\n",
1028 mutex_unlock(&dev
->lock
);
1032 if (dev
->users
== 0) {
1033 au0828_analog_stream_enable(dev
);
1034 au0828_analog_stream_reset(dev
);
1035 dev
->stream_state
= STREAM_OFF
;
1036 dev
->dev_state
|= DEV_INITIALIZED
;
1039 mutex_unlock(&dev
->lock
);
1043 static int au0828_v4l2_close(struct file
*filp
)
1046 struct au0828_dev
*dev
= video_drvdata(filp
);
1047 struct video_device
*vdev
= video_devdata(filp
);
1050 "%s called std_set %d dev_state %d stream users %d users %d\n",
1051 __func__
, dev
->std_set_in_tuner_core
, dev
->dev_state
,
1052 dev
->streaming_users
, dev
->users
);
1054 mutex_lock(&dev
->lock
);
1055 if (vdev
->vfl_type
== VFL_TYPE_GRABBER
&& dev
->vid_timeout_running
) {
1056 /* Cancel timeout thread in case they didn't call streamoff */
1057 dev
->vid_timeout_running
= 0;
1058 del_timer_sync(&dev
->vid_timeout
);
1059 } else if (vdev
->vfl_type
== VFL_TYPE_VBI
&&
1060 dev
->vbi_timeout_running
) {
1061 /* Cancel timeout thread in case they didn't call streamoff */
1062 dev
->vbi_timeout_running
= 0;
1063 del_timer_sync(&dev
->vbi_timeout
);
1066 if (dev
->dev_state
== DEV_DISCONNECTED
)
1069 if (dev
->users
== 1) {
1070 /* Save some power by putting tuner to sleep */
1071 v4l2_device_call_all(&dev
->v4l2_dev
, 0, core
, s_power
, 0);
1072 dev
->std_set_in_tuner_core
= 0;
1074 /* When close the device, set the usb intf0 into alt0 to free
1076 ret
= usb_set_interface(dev
->usbdev
, 0, 0);
1078 pr_info("Au0828 can't set alternate to 0!\n");
1081 _vb2_fop_release(filp
, NULL
);
1083 mutex_unlock(&dev
->lock
);
1087 /* Must be called with dev->lock held */
1088 static void au0828_init_tuner(struct au0828_dev
*dev
)
1090 struct v4l2_frequency f
= {
1091 .frequency
= dev
->ctrl_freq
,
1092 .type
= V4L2_TUNER_ANALOG_TV
,
1095 dprintk(1, "%s called std_set %d dev_state %d\n", __func__
,
1096 dev
->std_set_in_tuner_core
, dev
->dev_state
);
1098 if (dev
->std_set_in_tuner_core
)
1100 dev
->std_set_in_tuner_core
= 1;
1101 i2c_gate_ctrl(dev
, 1);
1102 /* If we've never sent the standard in tuner core, do so now.
1103 We don't do this at device probe because we don't want to
1104 incur the cost of a firmware load */
1105 v4l2_device_call_all(&dev
->v4l2_dev
, 0, video
, s_std
, dev
->std
);
1106 v4l2_device_call_all(&dev
->v4l2_dev
, 0, tuner
, s_frequency
, &f
);
1107 i2c_gate_ctrl(dev
, 0);
1110 static int au0828_set_format(struct au0828_dev
*dev
, unsigned int cmd
,
1111 struct v4l2_format
*format
)
1114 int width
= format
->fmt
.pix
.width
;
1115 int height
= format
->fmt
.pix
.height
;
1117 /* If they are demanding a format other than the one we support,
1118 bail out (tvtime asks for UYVY and then retries with YUYV) */
1119 if (format
->fmt
.pix
.pixelformat
!= V4L2_PIX_FMT_UYVY
)
1122 /* format->fmt.pix.width only support 720 and height 480 */
1128 format
->fmt
.pix
.width
= width
;
1129 format
->fmt
.pix
.height
= height
;
1130 format
->fmt
.pix
.pixelformat
= V4L2_PIX_FMT_UYVY
;
1131 format
->fmt
.pix
.bytesperline
= width
* 2;
1132 format
->fmt
.pix
.sizeimage
= width
* height
* 2;
1133 format
->fmt
.pix
.colorspace
= V4L2_COLORSPACE_SMPTE170M
;
1134 format
->fmt
.pix
.field
= V4L2_FIELD_INTERLACED
;
1135 format
->fmt
.pix
.priv
= 0;
1137 if (cmd
== VIDIOC_TRY_FMT
)
1140 /* maybe set new image format, driver current only support 720*480 */
1142 dev
->height
= height
;
1143 dev
->frame_size
= width
* height
* 2;
1144 dev
->field_size
= width
* height
;
1145 dev
->bytesperline
= width
* 2;
1147 if (dev
->stream_state
== STREAM_ON
) {
1148 dprintk(1, "VIDIOC_SET_FMT: interrupting stream!\n");
1149 ret
= au0828_stream_interrupt(dev
);
1151 dprintk(1, "error interrupting video stream!\n");
1156 au0828_analog_stream_enable(dev
);
1161 static int vidioc_querycap(struct file
*file
, void *priv
,
1162 struct v4l2_capability
*cap
)
1164 struct video_device
*vdev
= video_devdata(file
);
1165 struct au0828_dev
*dev
= video_drvdata(file
);
1167 dprintk(1, "%s called std_set %d dev_state %d\n", __func__
,
1168 dev
->std_set_in_tuner_core
, dev
->dev_state
);
1170 strlcpy(cap
->driver
, "au0828", sizeof(cap
->driver
));
1171 strlcpy(cap
->card
, dev
->board
.name
, sizeof(cap
->card
));
1172 usb_make_path(dev
->usbdev
, cap
->bus_info
, sizeof(cap
->bus_info
));
1174 /* set the device capabilities */
1175 cap
->device_caps
= V4L2_CAP_AUDIO
|
1176 V4L2_CAP_READWRITE
|
1177 V4L2_CAP_STREAMING
|
1179 if (vdev
->vfl_type
== VFL_TYPE_GRABBER
)
1180 cap
->device_caps
|= V4L2_CAP_VIDEO_CAPTURE
;
1182 cap
->device_caps
|= V4L2_CAP_VBI_CAPTURE
;
1183 cap
->capabilities
= cap
->device_caps
| V4L2_CAP_DEVICE_CAPS
|
1184 V4L2_CAP_VBI_CAPTURE
| V4L2_CAP_VIDEO_CAPTURE
;
1188 static int vidioc_enum_fmt_vid_cap(struct file
*file
, void *priv
,
1189 struct v4l2_fmtdesc
*f
)
1194 dprintk(1, "%s called\n", __func__
);
1196 f
->type
= V4L2_BUF_TYPE_VIDEO_CAPTURE
;
1197 strcpy(f
->description
, "Packed YUV2");
1200 f
->pixelformat
= V4L2_PIX_FMT_UYVY
;
1205 static int vidioc_g_fmt_vid_cap(struct file
*file
, void *priv
,
1206 struct v4l2_format
*f
)
1208 struct au0828_dev
*dev
= video_drvdata(file
);
1210 dprintk(1, "%s called std_set %d dev_state %d\n", __func__
,
1211 dev
->std_set_in_tuner_core
, dev
->dev_state
);
1213 f
->fmt
.pix
.width
= dev
->width
;
1214 f
->fmt
.pix
.height
= dev
->height
;
1215 f
->fmt
.pix
.pixelformat
= V4L2_PIX_FMT_UYVY
;
1216 f
->fmt
.pix
.bytesperline
= dev
->bytesperline
;
1217 f
->fmt
.pix
.sizeimage
= dev
->frame_size
;
1218 f
->fmt
.pix
.colorspace
= V4L2_COLORSPACE_SMPTE170M
; /* NTSC/PAL */
1219 f
->fmt
.pix
.field
= V4L2_FIELD_INTERLACED
;
1220 f
->fmt
.pix
.priv
= 0;
1224 static int vidioc_try_fmt_vid_cap(struct file
*file
, void *priv
,
1225 struct v4l2_format
*f
)
1227 struct au0828_dev
*dev
= video_drvdata(file
);
1229 dprintk(1, "%s called std_set %d dev_state %d\n", __func__
,
1230 dev
->std_set_in_tuner_core
, dev
->dev_state
);
1232 return au0828_set_format(dev
, VIDIOC_TRY_FMT
, f
);
1235 static int vidioc_s_fmt_vid_cap(struct file
*file
, void *priv
,
1236 struct v4l2_format
*f
)
1238 struct au0828_dev
*dev
= video_drvdata(file
);
1241 dprintk(1, "%s called std_set %d dev_state %d\n", __func__
,
1242 dev
->std_set_in_tuner_core
, dev
->dev_state
);
1244 rc
= check_dev(dev
);
1248 if (vb2_is_busy(&dev
->vb_vidq
)) {
1249 pr_info("%s queue busy\n", __func__
);
1254 rc
= au0828_set_format(dev
, VIDIOC_S_FMT
, f
);
1259 static int vidioc_s_std(struct file
*file
, void *priv
, v4l2_std_id norm
)
1261 struct au0828_dev
*dev
= video_drvdata(file
);
1263 dprintk(1, "%s called std_set %d dev_state %d\n", __func__
,
1264 dev
->std_set_in_tuner_core
, dev
->dev_state
);
1266 if (norm
== dev
->std
)
1269 if (dev
->streaming_users
> 0)
1274 au0828_init_tuner(dev
);
1276 i2c_gate_ctrl(dev
, 1);
1279 * FIXME: when we support something other than 60Hz standards,
1280 * we are going to have to make the au0828 bridge adjust the size
1281 * of its capture buffer, which is currently hardcoded at 720x480
1284 v4l2_device_call_all(&dev
->v4l2_dev
, 0, video
, s_std
, norm
);
1286 i2c_gate_ctrl(dev
, 0);
1291 static int vidioc_g_std(struct file
*file
, void *priv
, v4l2_std_id
*norm
)
1293 struct au0828_dev
*dev
= video_drvdata(file
);
1295 dprintk(1, "%s called std_set %d dev_state %d\n", __func__
,
1296 dev
->std_set_in_tuner_core
, dev
->dev_state
);
1302 static int vidioc_enum_input(struct file
*file
, void *priv
,
1303 struct v4l2_input
*input
)
1305 struct au0828_dev
*dev
= video_drvdata(file
);
1308 static const char *inames
[] = {
1309 [AU0828_VMUX_UNDEFINED
] = "Undefined",
1310 [AU0828_VMUX_COMPOSITE
] = "Composite",
1311 [AU0828_VMUX_SVIDEO
] = "S-Video",
1312 [AU0828_VMUX_CABLE
] = "Cable TV",
1313 [AU0828_VMUX_TELEVISION
] = "Television",
1314 [AU0828_VMUX_DVB
] = "DVB",
1315 [AU0828_VMUX_DEBUG
] = "tv debug"
1318 dprintk(1, "%s called std_set %d dev_state %d\n", __func__
,
1319 dev
->std_set_in_tuner_core
, dev
->dev_state
);
1323 if (tmp
>= AU0828_MAX_INPUT
)
1325 if (AUVI_INPUT(tmp
).type
== 0)
1329 strcpy(input
->name
, inames
[AUVI_INPUT(tmp
).type
]);
1330 if ((AUVI_INPUT(tmp
).type
== AU0828_VMUX_TELEVISION
) ||
1331 (AUVI_INPUT(tmp
).type
== AU0828_VMUX_CABLE
)) {
1332 input
->type
|= V4L2_INPUT_TYPE_TUNER
;
1333 input
->audioset
= 1;
1335 input
->type
|= V4L2_INPUT_TYPE_CAMERA
;
1336 input
->audioset
= 2;
1339 input
->std
= dev
->vdev
.tvnorms
;
1344 static int vidioc_g_input(struct file
*file
, void *priv
, unsigned int *i
)
1346 struct au0828_dev
*dev
= video_drvdata(file
);
1348 dprintk(1, "%s called std_set %d dev_state %d\n", __func__
,
1349 dev
->std_set_in_tuner_core
, dev
->dev_state
);
1351 *i
= dev
->ctrl_input
;
1355 static void au0828_s_input(struct au0828_dev
*dev
, int index
)
1359 dprintk(1, "%s called std_set %d dev_state %d\n", __func__
,
1360 dev
->std_set_in_tuner_core
, dev
->dev_state
);
1362 switch (AUVI_INPUT(index
).type
) {
1363 case AU0828_VMUX_SVIDEO
:
1364 dev
->input_type
= AU0828_VMUX_SVIDEO
;
1365 dev
->ctrl_ainput
= 1;
1367 case AU0828_VMUX_COMPOSITE
:
1368 dev
->input_type
= AU0828_VMUX_COMPOSITE
;
1369 dev
->ctrl_ainput
= 1;
1371 case AU0828_VMUX_TELEVISION
:
1372 dev
->input_type
= AU0828_VMUX_TELEVISION
;
1373 dev
->ctrl_ainput
= 0;
1376 dprintk(1, "unknown input type set [%d]\n",
1377 AUVI_INPUT(index
).type
);
1381 v4l2_device_call_all(&dev
->v4l2_dev
, 0, video
, s_routing
,
1382 AUVI_INPUT(index
).vmux
, 0, 0);
1384 for (i
= 0; i
< AU0828_MAX_INPUT
; i
++) {
1386 if (AUVI_INPUT(i
).audio_setup
== NULL
)
1394 (AUVI_INPUT(i
).audio_setup
)(dev
, enable
);
1396 /* Make sure we leave it turned on if some
1397 other input is routed to this callback */
1398 if ((AUVI_INPUT(i
).audio_setup
) !=
1399 ((AUVI_INPUT(index
).audio_setup
))) {
1400 (AUVI_INPUT(i
).audio_setup
)(dev
, enable
);
1405 v4l2_device_call_all(&dev
->v4l2_dev
, 0, audio
, s_routing
,
1406 AUVI_INPUT(index
).amux
, 0, 0);
1409 static int vidioc_s_input(struct file
*file
, void *priv
, unsigned int index
)
1411 struct au0828_dev
*dev
= video_drvdata(file
);
1413 dprintk(1, "VIDIOC_S_INPUT in function %s, input=%d\n", __func__
,
1415 if (index
>= AU0828_MAX_INPUT
)
1417 if (AUVI_INPUT(index
).type
== 0)
1419 dev
->ctrl_input
= index
;
1420 au0828_s_input(dev
, index
);
1424 static int vidioc_enumaudio(struct file
*file
, void *priv
, struct v4l2_audio
*a
)
1429 dprintk(1, "%s called\n", __func__
);
1432 strcpy(a
->name
, "Television");
1434 strcpy(a
->name
, "Line in");
1436 a
->capability
= V4L2_AUDCAP_STEREO
;
1440 static int vidioc_g_audio(struct file
*file
, void *priv
, struct v4l2_audio
*a
)
1442 struct au0828_dev
*dev
= video_drvdata(file
);
1444 dprintk(1, "%s called std_set %d dev_state %d\n", __func__
,
1445 dev
->std_set_in_tuner_core
, dev
->dev_state
);
1447 a
->index
= dev
->ctrl_ainput
;
1449 strcpy(a
->name
, "Television");
1451 strcpy(a
->name
, "Line in");
1453 a
->capability
= V4L2_AUDCAP_STEREO
;
1457 static int vidioc_s_audio(struct file
*file
, void *priv
, const struct v4l2_audio
*a
)
1459 struct au0828_dev
*dev
= video_drvdata(file
);
1461 if (a
->index
!= dev
->ctrl_ainput
)
1464 dprintk(1, "%s called std_set %d dev_state %d\n", __func__
,
1465 dev
->std_set_in_tuner_core
, dev
->dev_state
);
1469 static int vidioc_g_tuner(struct file
*file
, void *priv
, struct v4l2_tuner
*t
)
1471 struct au0828_dev
*dev
= video_drvdata(file
);
1476 dprintk(1, "%s called std_set %d dev_state %d\n", __func__
,
1477 dev
->std_set_in_tuner_core
, dev
->dev_state
);
1479 strcpy(t
->name
, "Auvitek tuner");
1481 au0828_init_tuner(dev
);
1482 i2c_gate_ctrl(dev
, 1);
1483 v4l2_device_call_all(&dev
->v4l2_dev
, 0, tuner
, g_tuner
, t
);
1484 i2c_gate_ctrl(dev
, 0);
1488 static int vidioc_s_tuner(struct file
*file
, void *priv
,
1489 const struct v4l2_tuner
*t
)
1491 struct au0828_dev
*dev
= video_drvdata(file
);
1496 dprintk(1, "%s called std_set %d dev_state %d\n", __func__
,
1497 dev
->std_set_in_tuner_core
, dev
->dev_state
);
1499 au0828_init_tuner(dev
);
1500 i2c_gate_ctrl(dev
, 1);
1501 v4l2_device_call_all(&dev
->v4l2_dev
, 0, tuner
, s_tuner
, t
);
1502 i2c_gate_ctrl(dev
, 0);
1504 dprintk(1, "VIDIOC_S_TUNER: signal = %x, afc = %x\n", t
->signal
,
1511 static int vidioc_g_frequency(struct file
*file
, void *priv
,
1512 struct v4l2_frequency
*freq
)
1514 struct au0828_dev
*dev
= video_drvdata(file
);
1516 if (freq
->tuner
!= 0)
1518 dprintk(1, "%s called std_set %d dev_state %d\n", __func__
,
1519 dev
->std_set_in_tuner_core
, dev
->dev_state
);
1520 freq
->frequency
= dev
->ctrl_freq
;
1524 static int vidioc_s_frequency(struct file
*file
, void *priv
,
1525 const struct v4l2_frequency
*freq
)
1527 struct au0828_dev
*dev
= video_drvdata(file
);
1528 struct v4l2_frequency new_freq
= *freq
;
1530 if (freq
->tuner
!= 0)
1533 dprintk(1, "%s called std_set %d dev_state %d\n", __func__
,
1534 dev
->std_set_in_tuner_core
, dev
->dev_state
);
1536 au0828_init_tuner(dev
);
1537 i2c_gate_ctrl(dev
, 1);
1539 v4l2_device_call_all(&dev
->v4l2_dev
, 0, tuner
, s_frequency
, freq
);
1540 /* Get the actual set (and possibly clamped) frequency */
1541 v4l2_device_call_all(&dev
->v4l2_dev
, 0, tuner
, g_frequency
, &new_freq
);
1542 dev
->ctrl_freq
= new_freq
.frequency
;
1544 i2c_gate_ctrl(dev
, 0);
1546 au0828_analog_stream_reset(dev
);
1552 /* RAW VBI ioctls */
1554 static int vidioc_g_fmt_vbi_cap(struct file
*file
, void *priv
,
1555 struct v4l2_format
*format
)
1557 struct au0828_dev
*dev
= video_drvdata(file
);
1559 dprintk(1, "%s called std_set %d dev_state %d\n", __func__
,
1560 dev
->std_set_in_tuner_core
, dev
->dev_state
);
1562 format
->fmt
.vbi
.samples_per_line
= dev
->vbi_width
;
1563 format
->fmt
.vbi
.sample_format
= V4L2_PIX_FMT_GREY
;
1564 format
->fmt
.vbi
.offset
= 0;
1565 format
->fmt
.vbi
.flags
= 0;
1566 format
->fmt
.vbi
.sampling_rate
= 6750000 * 4 / 2;
1568 format
->fmt
.vbi
.count
[0] = dev
->vbi_height
;
1569 format
->fmt
.vbi
.count
[1] = dev
->vbi_height
;
1570 format
->fmt
.vbi
.start
[0] = 21;
1571 format
->fmt
.vbi
.start
[1] = 284;
1572 memset(format
->fmt
.vbi
.reserved
, 0, sizeof(format
->fmt
.vbi
.reserved
));
1577 static int vidioc_cropcap(struct file
*file
, void *priv
,
1578 struct v4l2_cropcap
*cc
)
1580 struct au0828_dev
*dev
= video_drvdata(file
);
1582 if (cc
->type
!= V4L2_BUF_TYPE_VIDEO_CAPTURE
)
1585 dprintk(1, "%s called std_set %d dev_state %d\n", __func__
,
1586 dev
->std_set_in_tuner_core
, dev
->dev_state
);
1588 cc
->bounds
.left
= 0;
1590 cc
->bounds
.width
= dev
->width
;
1591 cc
->bounds
.height
= dev
->height
;
1593 cc
->defrect
= cc
->bounds
;
1595 cc
->pixelaspect
.numerator
= 54;
1596 cc
->pixelaspect
.denominator
= 59;
1601 #ifdef CONFIG_VIDEO_ADV_DEBUG
1602 static int vidioc_g_register(struct file
*file
, void *priv
,
1603 struct v4l2_dbg_register
*reg
)
1605 struct au0828_dev
*dev
= video_drvdata(file
);
1607 dprintk(1, "%s called std_set %d dev_state %d\n", __func__
,
1608 dev
->std_set_in_tuner_core
, dev
->dev_state
);
1610 reg
->val
= au0828_read(dev
, reg
->reg
);
1615 static int vidioc_s_register(struct file
*file
, void *priv
,
1616 const struct v4l2_dbg_register
*reg
)
1618 struct au0828_dev
*dev
= video_drvdata(file
);
1620 dprintk(1, "%s called std_set %d dev_state %d\n", __func__
,
1621 dev
->std_set_in_tuner_core
, dev
->dev_state
);
1623 return au0828_writereg(dev
, reg
->reg
, reg
->val
);
1627 static int vidioc_log_status(struct file
*file
, void *fh
)
1629 struct video_device
*vdev
= video_devdata(file
);
1631 dprintk(1, "%s called\n", __func__
);
1633 v4l2_ctrl_log_status(file
, fh
);
1634 v4l2_device_call_all(vdev
->v4l2_dev
, 0, core
, log_status
);
1638 void au0828_v4l2_suspend(struct au0828_dev
*dev
)
1643 pr_info("stopping V4L2\n");
1645 if (dev
->stream_state
== STREAM_ON
) {
1646 pr_info("stopping V4L2 active URBs\n");
1647 au0828_analog_stream_disable(dev
);
1649 for (i
= 0; i
< dev
->isoc_ctl
.num_bufs
; i
++) {
1650 urb
= dev
->isoc_ctl
.urb
[i
];
1652 if (!irqs_disabled())
1655 usb_unlink_urb(urb
);
1660 if (dev
->vid_timeout_running
)
1661 del_timer_sync(&dev
->vid_timeout
);
1662 if (dev
->vbi_timeout_running
)
1663 del_timer_sync(&dev
->vbi_timeout
);
1666 void au0828_v4l2_resume(struct au0828_dev
*dev
)
1670 pr_info("restarting V4L2\n");
1672 if (dev
->stream_state
== STREAM_ON
) {
1673 au0828_stream_interrupt(dev
);
1674 au0828_init_tuner(dev
);
1677 if (dev
->vid_timeout_running
)
1678 mod_timer(&dev
->vid_timeout
, jiffies
+ (HZ
/ 10));
1679 if (dev
->vbi_timeout_running
)
1680 mod_timer(&dev
->vbi_timeout
, jiffies
+ (HZ
/ 10));
1682 /* If we were doing ac97 instead of i2s, it would go here...*/
1683 au0828_i2s_init(dev
);
1685 au0828_analog_stream_enable(dev
);
1687 if (!(dev
->stream_state
== STREAM_ON
)) {
1688 au0828_analog_stream_reset(dev
);
1690 for (i
= 0; i
< dev
->isoc_ctl
.num_bufs
; i
++) {
1691 rc
= usb_submit_urb(dev
->isoc_ctl
.urb
[i
], GFP_ATOMIC
);
1693 au0828_isocdbg("submit of urb %i failed (error=%i)\n",
1695 au0828_uninit_isoc(dev
);
1701 static struct v4l2_file_operations au0828_v4l_fops
= {
1702 .owner
= THIS_MODULE
,
1703 .open
= au0828_v4l2_open
,
1704 .release
= au0828_v4l2_close
,
1705 .read
= vb2_fop_read
,
1706 .poll
= vb2_fop_poll
,
1707 .mmap
= vb2_fop_mmap
,
1708 .unlocked_ioctl
= video_ioctl2
,
1711 static const struct v4l2_ioctl_ops video_ioctl_ops
= {
1712 .vidioc_querycap
= vidioc_querycap
,
1713 .vidioc_enum_fmt_vid_cap
= vidioc_enum_fmt_vid_cap
,
1714 .vidioc_g_fmt_vid_cap
= vidioc_g_fmt_vid_cap
,
1715 .vidioc_try_fmt_vid_cap
= vidioc_try_fmt_vid_cap
,
1716 .vidioc_s_fmt_vid_cap
= vidioc_s_fmt_vid_cap
,
1717 .vidioc_g_fmt_vbi_cap
= vidioc_g_fmt_vbi_cap
,
1718 .vidioc_try_fmt_vbi_cap
= vidioc_g_fmt_vbi_cap
,
1719 .vidioc_s_fmt_vbi_cap
= vidioc_g_fmt_vbi_cap
,
1720 .vidioc_enumaudio
= vidioc_enumaudio
,
1721 .vidioc_g_audio
= vidioc_g_audio
,
1722 .vidioc_s_audio
= vidioc_s_audio
,
1723 .vidioc_cropcap
= vidioc_cropcap
,
1725 .vidioc_reqbufs
= vb2_ioctl_reqbufs
,
1726 .vidioc_create_bufs
= vb2_ioctl_create_bufs
,
1727 .vidioc_prepare_buf
= vb2_ioctl_prepare_buf
,
1728 .vidioc_querybuf
= vb2_ioctl_querybuf
,
1729 .vidioc_qbuf
= vb2_ioctl_qbuf
,
1730 .vidioc_dqbuf
= vb2_ioctl_dqbuf
,
1731 .vidioc_expbuf
= vb2_ioctl_expbuf
,
1733 .vidioc_s_std
= vidioc_s_std
,
1734 .vidioc_g_std
= vidioc_g_std
,
1735 .vidioc_enum_input
= vidioc_enum_input
,
1736 .vidioc_g_input
= vidioc_g_input
,
1737 .vidioc_s_input
= vidioc_s_input
,
1739 .vidioc_streamon
= vb2_ioctl_streamon
,
1740 .vidioc_streamoff
= vb2_ioctl_streamoff
,
1742 .vidioc_g_tuner
= vidioc_g_tuner
,
1743 .vidioc_s_tuner
= vidioc_s_tuner
,
1744 .vidioc_g_frequency
= vidioc_g_frequency
,
1745 .vidioc_s_frequency
= vidioc_s_frequency
,
1746 #ifdef CONFIG_VIDEO_ADV_DEBUG
1747 .vidioc_g_register
= vidioc_g_register
,
1748 .vidioc_s_register
= vidioc_s_register
,
1750 .vidioc_log_status
= vidioc_log_status
,
1751 .vidioc_subscribe_event
= v4l2_ctrl_subscribe_event
,
1752 .vidioc_unsubscribe_event
= v4l2_event_unsubscribe
,
1755 static const struct video_device au0828_video_template
= {
1756 .fops
= &au0828_v4l_fops
,
1757 .release
= video_device_release_empty
,
1758 .ioctl_ops
= &video_ioctl_ops
,
1759 .tvnorms
= V4L2_STD_NTSC_M
| V4L2_STD_PAL_M
,
1762 static int au0828_vb2_setup(struct au0828_dev
*dev
)
1765 struct vb2_queue
*q
;
1767 /* Setup Videobuf2 for Video capture */
1769 q
->type
= V4L2_BUF_TYPE_VIDEO_CAPTURE
;
1770 q
->io_modes
= VB2_READ
| VB2_MMAP
| VB2_USERPTR
| VB2_DMABUF
;
1771 q
->timestamp_flags
= V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC
;
1773 q
->buf_struct_size
= sizeof(struct au0828_buffer
);
1774 q
->ops
= &au0828_video_qops
;
1775 q
->mem_ops
= &vb2_vmalloc_memops
;
1777 rc
= vb2_queue_init(q
);
1781 /* Setup Videobuf2 for VBI capture */
1783 q
->type
= V4L2_BUF_TYPE_VBI_CAPTURE
;
1784 q
->io_modes
= VB2_READ
| VB2_MMAP
| VB2_USERPTR
| VB2_DMABUF
;
1785 q
->timestamp_flags
= V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC
;
1787 q
->buf_struct_size
= sizeof(struct au0828_buffer
);
1788 q
->ops
= &au0828_vbi_qops
;
1789 q
->mem_ops
= &vb2_vmalloc_memops
;
1791 rc
= vb2_queue_init(q
);
1798 static void au0828_analog_create_entities(struct au0828_dev
*dev
)
1800 #if defined(CONFIG_MEDIA_CONTROLLER)
1801 static const char * const inames
[] = {
1802 [AU0828_VMUX_COMPOSITE
] = "Composite",
1803 [AU0828_VMUX_SVIDEO
] = "S-Video",
1804 [AU0828_VMUX_CABLE
] = "Cable TV",
1805 [AU0828_VMUX_TELEVISION
] = "Television",
1806 [AU0828_VMUX_DVB
] = "DVB",
1807 [AU0828_VMUX_DEBUG
] = "tv debug"
1811 /* Initialize Video and VBI pads */
1812 dev
->video_pad
.flags
= MEDIA_PAD_FL_SINK
;
1813 ret
= media_entity_pads_init(&dev
->vdev
.entity
, 1, &dev
->video_pad
);
1815 pr_err("failed to initialize video media entity!\n");
1817 dev
->vbi_pad
.flags
= MEDIA_PAD_FL_SINK
;
1818 ret
= media_entity_pads_init(&dev
->vbi_dev
.entity
, 1, &dev
->vbi_pad
);
1820 pr_err("failed to initialize vbi media entity!\n");
1822 /* Create entities for each input connector */
1823 for (i
= 0; i
< AU0828_MAX_INPUT
; i
++) {
1824 struct media_entity
*ent
= &dev
->input_ent
[i
];
1826 if (AUVI_INPUT(i
).type
== AU0828_VMUX_UNDEFINED
)
1829 ent
->name
= inames
[AUVI_INPUT(i
).type
];
1830 ent
->flags
= MEDIA_ENT_FL_CONNECTOR
;
1831 dev
->input_pad
[i
].flags
= MEDIA_PAD_FL_SOURCE
;
1833 switch (AUVI_INPUT(i
).type
) {
1834 case AU0828_VMUX_COMPOSITE
:
1835 ent
->function
= MEDIA_ENT_F_CONN_COMPOSITE
;
1837 case AU0828_VMUX_SVIDEO
:
1838 ent
->function
= MEDIA_ENT_F_CONN_SVIDEO
;
1840 case AU0828_VMUX_CABLE
:
1841 case AU0828_VMUX_TELEVISION
:
1842 case AU0828_VMUX_DVB
:
1843 ent
->function
= MEDIA_ENT_F_CONN_RF
;
1845 default: /* AU0828_VMUX_DEBUG */
1849 ret
= media_entity_pads_init(ent
, 1, &dev
->input_pad
[i
]);
1851 pr_err("failed to initialize input pad[%d]!\n", i
);
1853 ret
= media_device_register_entity(dev
->media_dev
, ent
);
1855 pr_err("failed to register input entity %d!\n", i
);
1860 /**************************************************************************/
1862 int au0828_analog_register(struct au0828_dev
*dev
,
1863 struct usb_interface
*interface
)
1865 int retval
= -ENOMEM
;
1866 struct usb_host_interface
*iface_desc
;
1867 struct usb_endpoint_descriptor
*endpoint
;
1870 dprintk(1, "au0828_analog_register called for intf#%d!\n",
1871 interface
->cur_altsetting
->desc
.bInterfaceNumber
);
1873 /* set au0828 usb interface0 to as5 */
1874 retval
= usb_set_interface(dev
->usbdev
,
1875 interface
->cur_altsetting
->desc
.bInterfaceNumber
, 5);
1877 pr_info("Failure setting usb interface0 to as5\n");
1881 /* Figure out which endpoint has the isoc interface */
1882 iface_desc
= interface
->cur_altsetting
;
1883 for (i
= 0; i
< iface_desc
->desc
.bNumEndpoints
; i
++) {
1884 endpoint
= &iface_desc
->endpoint
[i
].desc
;
1885 if (((endpoint
->bEndpointAddress
& USB_ENDPOINT_DIR_MASK
)
1887 ((endpoint
->bmAttributes
& USB_ENDPOINT_XFERTYPE_MASK
)
1888 == USB_ENDPOINT_XFER_ISOC
)) {
1890 /* we find our isoc in endpoint */
1891 u16 tmp
= le16_to_cpu(endpoint
->wMaxPacketSize
);
1892 dev
->max_pkt_size
= (tmp
& 0x07ff) *
1893 (((tmp
& 0x1800) >> 11) + 1);
1894 dev
->isoc_in_endpointaddr
= endpoint
->bEndpointAddress
;
1896 "Found isoc endpoint 0x%02x, max size = %d\n",
1897 dev
->isoc_in_endpointaddr
, dev
->max_pkt_size
);
1900 if (!(dev
->isoc_in_endpointaddr
)) {
1901 pr_info("Could not locate isoc endpoint\n");
1905 init_waitqueue_head(&dev
->open
);
1906 spin_lock_init(&dev
->slock
);
1908 /* init video dma queues */
1909 INIT_LIST_HEAD(&dev
->vidq
.active
);
1910 INIT_LIST_HEAD(&dev
->vbiq
.active
);
1912 setup_timer(&dev
->vid_timeout
, au0828_vid_buffer_timeout
,
1913 (unsigned long)dev
);
1914 setup_timer(&dev
->vbi_timeout
, au0828_vbi_buffer_timeout
,
1915 (unsigned long)dev
);
1917 dev
->width
= NTSC_STD_W
;
1918 dev
->height
= NTSC_STD_H
;
1919 dev
->field_size
= dev
->width
* dev
->height
;
1920 dev
->frame_size
= dev
->field_size
<< 1;
1921 dev
->bytesperline
= dev
->width
<< 1;
1922 dev
->vbi_width
= 720;
1923 dev
->vbi_height
= 1;
1924 dev
->ctrl_ainput
= 0;
1925 dev
->ctrl_freq
= 960;
1926 dev
->std
= V4L2_STD_NTSC_M
;
1927 au0828_s_input(dev
, 0);
1929 mutex_init(&dev
->vb_queue_lock
);
1930 mutex_init(&dev
->vb_vbi_queue_lock
);
1932 /* Fill the video capture device struct */
1933 dev
->vdev
= au0828_video_template
;
1934 dev
->vdev
.v4l2_dev
= &dev
->v4l2_dev
;
1935 dev
->vdev
.lock
= &dev
->lock
;
1936 dev
->vdev
.queue
= &dev
->vb_vidq
;
1937 dev
->vdev
.queue
->lock
= &dev
->vb_queue_lock
;
1938 strcpy(dev
->vdev
.name
, "au0828a video");
1940 /* Setup the VBI device */
1941 dev
->vbi_dev
= au0828_video_template
;
1942 dev
->vbi_dev
.v4l2_dev
= &dev
->v4l2_dev
;
1943 dev
->vbi_dev
.lock
= &dev
->lock
;
1944 dev
->vbi_dev
.queue
= &dev
->vb_vbiq
;
1945 dev
->vbi_dev
.queue
->lock
= &dev
->vb_vbi_queue_lock
;
1946 strcpy(dev
->vbi_dev
.name
, "au0828a vbi");
1948 /* Init entities at the Media Controller */
1949 au0828_analog_create_entities(dev
);
1951 /* initialize videobuf2 stuff */
1952 retval
= au0828_vb2_setup(dev
);
1954 dprintk(1, "unable to setup videobuf2 queues (error = %d).\n",
1959 /* Register the v4l2 device */
1960 video_set_drvdata(&dev
->vdev
, dev
);
1961 retval
= video_register_device(&dev
->vdev
, VFL_TYPE_GRABBER
, -1);
1963 dprintk(1, "unable to register video device (error = %d).\n",
1969 /* Register the vbi device */
1970 video_set_drvdata(&dev
->vbi_dev
, dev
);
1971 retval
= video_register_device(&dev
->vbi_dev
, VFL_TYPE_VBI
, -1);
1973 dprintk(1, "unable to register vbi device (error = %d).\n",
1976 goto err_reg_vbi_dev
;
1979 dprintk(1, "%s completed!\n", __func__
);
1984 video_unregister_device(&dev
->vdev
);
1986 vb2_queue_release(&dev
->vb_vidq
);
1987 vb2_queue_release(&dev
->vb_vbiq
);