2 * tm6000-video.c - driver for TM5600/TM6000/TM6010 USB video capture devices
4 * Copyright (C) 2006-2007 Mauro Carvalho Chehab <mchehab@infradead.org>
6 * Copyright (C) 2007 Michel Ludwig <michel.ludwig@gmail.com>
7 * - Fixed module load/unload
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation version 2
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
23 #include <linux/module.h>
24 #include <linux/delay.h>
25 #include <linux/errno.h>
27 #include <linux/kernel.h>
28 #include <linux/slab.h>
30 #include <linux/ioport.h>
31 #include <linux/init.h>
32 #include <linux/sched.h>
33 #include <linux/random.h>
34 #include <linux/usb.h>
35 #include <linux/videodev2.h>
36 #include <media/v4l2-ioctl.h>
37 #include <media/v4l2-event.h>
38 #include <media/tuner.h>
39 #include <linux/interrupt.h>
40 #include <linux/kthread.h>
41 #include <linux/highmem.h>
42 #include <linux/freezer.h>
44 #include "tm6000-regs.h"
47 #define BUFFER_TIMEOUT msecs_to_jiffies(2000) /* 2 seconds */
49 /* Limits minimum and default number of buffers */
50 #define TM6000_MIN_BUF 4
51 #define TM6000_DEF_BUF 8
53 #define TM6000_NUM_URB_BUF 8
55 #define TM6000_MAX_ISO_PACKETS 46 /* Max number of ISO packets */
57 /* Declare static vars that will be used as parameters */
58 static unsigned int vid_limit
= 16; /* Video memory limit, in Mb */
59 static int video_nr
= -1; /* /dev/videoN, -1 for autodetect */
60 static int radio_nr
= -1; /* /dev/radioN, -1 for autodetect */
61 static bool keep_urb
; /* keep urb buffers allocated */
65 EXPORT_SYMBOL_GPL(tm6000_debug
);
67 static struct tm6000_fmt format
[] = {
69 .name
= "4:2:2, packed, YVY2",
70 .fourcc
= V4L2_PIX_FMT_YUYV
,
73 .name
= "4:2:2, packed, UYVY",
74 .fourcc
= V4L2_PIX_FMT_UYVY
,
77 .name
= "A/V + VBI mux packet",
78 .fourcc
= V4L2_PIX_FMT_TM6000
,
83 /* ------------------------------------------------------------------
84 * DMA and thread functions
85 * ------------------------------------------------------------------
88 #define norm_maxw(a) 720
89 #define norm_maxh(a) 576
91 #define norm_minw(a) norm_maxw(a)
92 #define norm_minh(a) norm_maxh(a)
95 * video-buf generic routine to get the next available buffer
97 static inline void get_next_buf(struct tm6000_dmaqueue
*dma_q
,
98 struct tm6000_buffer
**buf
)
100 struct tm6000_core
*dev
= container_of(dma_q
, struct tm6000_core
, vidq
);
102 if (list_empty(&dma_q
->active
)) {
103 dprintk(dev
, V4L2_DEBUG_QUEUE
, "No active queue to serve\n");
108 *buf
= list_entry(dma_q
->active
.next
,
109 struct tm6000_buffer
, vb
.queue
);
113 * Announces that a buffer were filled and request the next
115 static inline void buffer_filled(struct tm6000_core
*dev
,
116 struct tm6000_dmaqueue
*dma_q
,
117 struct tm6000_buffer
*buf
)
119 /* Advice that buffer was filled */
120 dprintk(dev
, V4L2_DEBUG_ISOC
, "[%p/%d] wakeup\n", buf
, buf
->vb
.i
);
121 buf
->vb
.state
= VIDEOBUF_DONE
;
122 buf
->vb
.field_count
++;
123 v4l2_get_timestamp(&buf
->vb
.ts
);
125 list_del(&buf
->vb
.queue
);
126 wake_up(&buf
->vb
.done
);
130 * Identify the tm5600/6000 buffer header type and properly handles
132 static int copy_streams(u8
*data
, unsigned long len
,
135 struct tm6000_dmaqueue
*dma_q
= urb
->context
;
136 struct tm6000_core
*dev
= container_of(dma_q
, struct tm6000_core
, vidq
);
137 u8
*ptr
= data
, *endp
= data
+len
;
138 unsigned long header
= 0;
140 unsigned int cmd
, cpysize
, pktsize
, size
, field
, block
, line
, pos
= 0;
141 struct tm6000_buffer
*vbuf
= NULL
;
143 unsigned int linewidth
;
146 /* get video buffer */
147 get_next_buf(dma_q
, &vbuf
);
151 voutp
= videobuf_to_vmalloc(&vbuf
->vb
);
157 for (ptr
= data
; ptr
< endp
;) {
158 if (!dev
->isoc_ctl
.cmd
) {
160 if (dev
->isoc_ctl
.tmp_buf_len
> 0) {
161 /* from last urb or packet */
162 header
= dev
->isoc_ctl
.tmp_buf
;
163 if (4 - dev
->isoc_ctl
.tmp_buf_len
> 0) {
164 memcpy((u8
*)&header
+
165 dev
->isoc_ctl
.tmp_buf_len
,
167 4 - dev
->isoc_ctl
.tmp_buf_len
);
168 ptr
+= 4 - dev
->isoc_ctl
.tmp_buf_len
;
170 dev
->isoc_ctl
.tmp_buf_len
= 0;
172 if (ptr
+ 3 >= endp
) {
173 /* have incomplete header */
174 dev
->isoc_ctl
.tmp_buf_len
= endp
- ptr
;
175 memcpy(&dev
->isoc_ctl
.tmp_buf
, ptr
,
176 dev
->isoc_ctl
.tmp_buf_len
);
180 for (; ptr
< endp
- 3; ptr
++) {
181 if (*(ptr
+ 3) == 0x47)
184 /* Get message header */
185 header
= *(unsigned long *)ptr
;
189 /* split the header fields */
190 size
= ((header
& 0x7e) << 1);
193 block
= (header
>> 7) & 0xf;
194 field
= (header
>> 11) & 0x1;
195 line
= (header
>> 12) & 0x1ff;
196 cmd
= (header
>> 21) & 0x7;
197 /* Validates haeder fields */
198 if (size
> TM6000_URB_MSG_LEN
)
199 size
= TM6000_URB_MSG_LEN
;
200 pktsize
= TM6000_URB_MSG_LEN
;
202 * calculate position in buffer and change the buffer
205 case TM6000_URB_MSG_VIDEO
:
207 if ((dev
->isoc_ctl
.vfield
!= field
) &&
210 * Announces that a new buffer
213 buffer_filled(dev
, dma_q
, vbuf
);
214 dprintk(dev
, V4L2_DEBUG_ISOC
,
215 "new buffer filled\n");
216 get_next_buf(dma_q
, &vbuf
);
219 voutp
= videobuf_to_vmalloc(&vbuf
->vb
);
222 memset(voutp
, 0, vbuf
->vb
.size
);
224 linewidth
= vbuf
->vb
.width
<< 1;
225 pos
= ((line
<< 1) - field
- 1) *
226 linewidth
+ block
* TM6000_URB_MSG_LEN
;
227 /* Don't allow to write out of the buffer */
228 if (pos
+ size
> vbuf
->vb
.size
)
229 cmd
= TM6000_URB_MSG_ERR
;
230 dev
->isoc_ctl
.vfield
= field
;
233 case TM6000_URB_MSG_VBI
:
235 case TM6000_URB_MSG_AUDIO
:
236 case TM6000_URB_MSG_PTS
:
237 size
= pktsize
; /* Size is always 180 bytes */
241 /* Continue the last copy */
242 cmd
= dev
->isoc_ctl
.cmd
;
243 size
= dev
->isoc_ctl
.size
;
244 pos
= dev
->isoc_ctl
.pos
;
245 pktsize
= dev
->isoc_ctl
.pktsize
;
246 field
= dev
->isoc_ctl
.field
;
248 cpysize
= (endp
- ptr
> size
) ? size
: endp
- ptr
;
250 /* copy data in different buffers */
252 case TM6000_URB_MSG_VIDEO
:
253 /* Fills video buffer */
255 memcpy(&voutp
[pos
], ptr
, cpysize
);
257 case TM6000_URB_MSG_AUDIO
: {
259 for (i
= 0; i
< cpysize
; i
+= 2)
260 swab16s((u16
*)(ptr
+ i
));
262 tm6000_call_fillbuf(dev
, TM6000_AUDIO
, ptr
, cpysize
);
265 case TM6000_URB_MSG_VBI
:
266 /* Need some code to copy vbi buffer */
268 case TM6000_URB_MSG_PTS
: {
269 /* Need some code to copy pts */
272 dprintk(dev
, V4L2_DEBUG_ISOC
, "field %d, PTS %x",
278 if (ptr
+ pktsize
> endp
) {
280 * End of URB packet, but cmd processing is not
281 * complete. Preserve the state for a next packet
283 dev
->isoc_ctl
.pos
= pos
+ cpysize
;
284 dev
->isoc_ctl
.size
= size
- cpysize
;
285 dev
->isoc_ctl
.cmd
= cmd
;
286 dev
->isoc_ctl
.field
= field
;
287 dev
->isoc_ctl
.pktsize
= pktsize
- (endp
- ptr
);
290 dev
->isoc_ctl
.cmd
= 0;
298 * Identify the tm5600/6000 buffer header type and properly handles
300 static int copy_multiplexed(u8
*ptr
, unsigned long len
,
303 struct tm6000_dmaqueue
*dma_q
= urb
->context
;
304 struct tm6000_core
*dev
= container_of(dma_q
, struct tm6000_core
, vidq
);
305 unsigned int pos
= dev
->isoc_ctl
.pos
, cpysize
;
307 struct tm6000_buffer
*buf
;
310 get_next_buf(dma_q
, &buf
);
312 outp
= videobuf_to_vmalloc(&buf
->vb
);
318 cpysize
= min(len
, buf
->vb
.size
-pos
);
319 memcpy(&outp
[pos
], ptr
, cpysize
);
323 if (pos
>= buf
->vb
.size
) {
325 /* Announces that a new buffer were filled */
326 buffer_filled(dev
, dma_q
, buf
);
327 dprintk(dev
, V4L2_DEBUG_ISOC
, "new buffer filled\n");
328 get_next_buf(dma_q
, &buf
);
331 outp
= videobuf_to_vmalloc(&(buf
->vb
));
338 dev
->isoc_ctl
.pos
= pos
;
342 static inline void print_err_status(struct tm6000_core
*dev
,
343 int packet
, int status
)
345 char *errmsg
= "Unknown";
349 errmsg
= "unlinked synchronuously";
352 errmsg
= "unlinked asynchronuously";
355 errmsg
= "Buffer error (overrun)";
358 errmsg
= "Stalled (device not responding)";
361 errmsg
= "Babble (bad cable?)";
364 errmsg
= "Bit-stuff error (bad cable?)";
367 errmsg
= "CRC/Timeout (could be anything)";
370 errmsg
= "Device does not respond";
374 dprintk(dev
, V4L2_DEBUG_QUEUE
, "URB status %d [%s].\n",
377 dprintk(dev
, V4L2_DEBUG_QUEUE
, "URB packet %d, status %d [%s].\n",
378 packet
, status
, errmsg
);
384 * Controls the isoc copy of each urb packet
386 static inline int tm6000_isoc_copy(struct urb
*urb
)
388 struct tm6000_dmaqueue
*dma_q
= urb
->context
;
389 struct tm6000_core
*dev
= container_of(dma_q
, struct tm6000_core
, vidq
);
390 int i
, len
= 0, rc
= 1, status
;
393 if (urb
->status
< 0) {
394 print_err_status(dev
, -1, urb
->status
);
398 for (i
= 0; i
< urb
->number_of_packets
; i
++) {
399 status
= urb
->iso_frame_desc
[i
].status
;
402 print_err_status(dev
, i
, status
);
406 len
= urb
->iso_frame_desc
[i
].actual_length
;
409 p
= urb
->transfer_buffer
+ urb
->iso_frame_desc
[i
].offset
;
410 if (!urb
->iso_frame_desc
[i
].status
) {
411 if ((dev
->fourcc
) == V4L2_PIX_FMT_TM6000
) {
412 rc
= copy_multiplexed(p
, len
, urb
);
416 copy_streams(p
, len
, urb
);
424 /* ------------------------------------------------------------------
426 * ------------------------------------------------------------------
430 * IRQ callback, called by URB callback
432 static void tm6000_irq_callback(struct urb
*urb
)
434 struct tm6000_dmaqueue
*dma_q
= urb
->context
;
435 struct tm6000_core
*dev
= container_of(dma_q
, struct tm6000_core
, vidq
);
438 switch (urb
->status
) {
449 tm6000_err("urb completion error %d.\n", urb
->status
);
453 spin_lock(&dev
->slock
);
454 tm6000_isoc_copy(urb
);
455 spin_unlock(&dev
->slock
);
457 /* Reset urb buffers */
458 for (i
= 0; i
< urb
->number_of_packets
; i
++) {
459 urb
->iso_frame_desc
[i
].status
= 0;
460 urb
->iso_frame_desc
[i
].actual_length
= 0;
463 urb
->status
= usb_submit_urb(urb
, GFP_ATOMIC
);
465 tm6000_err("urb resubmit failed (error=%i)\n",
470 * Allocate URB buffers
472 static int tm6000_alloc_urb_buffers(struct tm6000_core
*dev
)
474 int num_bufs
= TM6000_NUM_URB_BUF
;
477 if (dev
->urb_buffer
!= NULL
)
480 dev
->urb_buffer
= kmalloc(sizeof(void *)*num_bufs
, GFP_KERNEL
);
481 if (!dev
->urb_buffer
) {
482 tm6000_err("cannot allocate memory for urb buffers\n");
486 dev
->urb_dma
= kmalloc(sizeof(dma_addr_t
*)*num_bufs
, GFP_KERNEL
);
488 tm6000_err("cannot allocate memory for urb dma pointers\n");
492 for (i
= 0; i
< num_bufs
; i
++) {
493 dev
->urb_buffer
[i
] = usb_alloc_coherent(
494 dev
->udev
, dev
->urb_size
,
495 GFP_KERNEL
, &dev
->urb_dma
[i
]);
496 if (!dev
->urb_buffer
[i
]) {
497 tm6000_err("unable to allocate %i bytes for transfer buffer %i\n",
501 memset(dev
->urb_buffer
[i
], 0, dev
->urb_size
);
510 static int tm6000_free_urb_buffers(struct tm6000_core
*dev
)
514 if (dev
->urb_buffer
== NULL
)
517 for (i
= 0; i
< TM6000_NUM_URB_BUF
; i
++) {
518 if (dev
->urb_buffer
[i
]) {
519 usb_free_coherent(dev
->udev
,
523 dev
->urb_buffer
[i
] = NULL
;
526 kfree(dev
->urb_buffer
);
528 dev
->urb_buffer
= NULL
;
535 * Stop and Deallocate URBs
537 static void tm6000_uninit_isoc(struct tm6000_core
*dev
)
542 dev
->isoc_ctl
.buf
= NULL
;
543 for (i
= 0; i
< dev
->isoc_ctl
.num_bufs
; i
++) {
544 urb
= dev
->isoc_ctl
.urb
[i
];
549 dev
->isoc_ctl
.urb
[i
] = NULL
;
551 dev
->isoc_ctl
.transfer_buffer
[i
] = NULL
;
555 tm6000_free_urb_buffers(dev
);
557 kfree(dev
->isoc_ctl
.urb
);
558 kfree(dev
->isoc_ctl
.transfer_buffer
);
560 dev
->isoc_ctl
.urb
= NULL
;
561 dev
->isoc_ctl
.transfer_buffer
= NULL
;
562 dev
->isoc_ctl
.num_bufs
= 0;
566 * Assign URBs and start IRQ
568 static int tm6000_prepare_isoc(struct tm6000_core
*dev
)
570 struct tm6000_dmaqueue
*dma_q
= &dev
->vidq
;
571 int i
, j
, sb_size
, pipe
, size
, max_packets
;
572 int num_bufs
= TM6000_NUM_URB_BUF
;
575 /* De-allocates all pending stuff */
576 tm6000_uninit_isoc(dev
);
577 /* Stop interrupt USB pipe */
578 tm6000_ir_int_stop(dev
);
580 usb_set_interface(dev
->udev
,
581 dev
->isoc_in
.bInterfaceNumber
,
582 dev
->isoc_in
.bAlternateSetting
);
584 /* Start interrupt USB pipe */
585 tm6000_ir_int_start(dev
);
587 pipe
= usb_rcvisocpipe(dev
->udev
,
588 dev
->isoc_in
.endp
->desc
.bEndpointAddress
&
589 USB_ENDPOINT_NUMBER_MASK
);
591 size
= usb_maxpacket(dev
->udev
, pipe
, usb_pipeout(pipe
));
593 if (size
> dev
->isoc_in
.maxsize
)
594 size
= dev
->isoc_in
.maxsize
;
596 dev
->isoc_ctl
.max_pkt_size
= size
;
598 max_packets
= TM6000_MAX_ISO_PACKETS
;
599 sb_size
= max_packets
* size
;
600 dev
->urb_size
= sb_size
;
602 dev
->isoc_ctl
.num_bufs
= num_bufs
;
604 dev
->isoc_ctl
.urb
= kmalloc(sizeof(void *)*num_bufs
, GFP_KERNEL
);
605 if (!dev
->isoc_ctl
.urb
) {
606 tm6000_err("cannot alloc memory for usb buffers\n");
610 dev
->isoc_ctl
.transfer_buffer
= kmalloc(sizeof(void *)*num_bufs
,
612 if (!dev
->isoc_ctl
.transfer_buffer
) {
613 tm6000_err("cannot allocate memory for usbtransfer\n");
614 kfree(dev
->isoc_ctl
.urb
);
618 dprintk(dev
, V4L2_DEBUG_QUEUE
, "Allocating %d x %d packets"
619 " (%d bytes) of %d bytes each to handle %u size\n",
620 max_packets
, num_bufs
, sb_size
,
621 dev
->isoc_in
.maxsize
, size
);
624 if (!dev
->urb_buffer
&& tm6000_alloc_urb_buffers(dev
) < 0) {
625 tm6000_err("cannot allocate memory for urb buffers\n");
627 /* call free, as some buffers might have been allocated */
628 tm6000_free_urb_buffers(dev
);
629 kfree(dev
->isoc_ctl
.urb
);
630 kfree(dev
->isoc_ctl
.transfer_buffer
);
634 /* allocate urbs and transfer buffers */
635 for (i
= 0; i
< dev
->isoc_ctl
.num_bufs
; i
++) {
636 urb
= usb_alloc_urb(max_packets
, GFP_KERNEL
);
638 tm6000_err("cannot alloc isoc_ctl.urb %i\n", i
);
639 tm6000_uninit_isoc(dev
);
643 dev
->isoc_ctl
.urb
[i
] = urb
;
645 urb
->transfer_dma
= dev
->urb_dma
[i
];
646 dev
->isoc_ctl
.transfer_buffer
[i
] = dev
->urb_buffer
[i
];
648 usb_fill_bulk_urb(urb
, dev
->udev
, pipe
,
649 dev
->isoc_ctl
.transfer_buffer
[i
], sb_size
,
650 tm6000_irq_callback
, dma_q
);
651 urb
->interval
= dev
->isoc_in
.endp
->desc
.bInterval
;
652 urb
->number_of_packets
= max_packets
;
653 urb
->transfer_flags
= URB_ISO_ASAP
| URB_NO_TRANSFER_DMA_MAP
;
655 for (j
= 0; j
< max_packets
; j
++) {
656 urb
->iso_frame_desc
[j
].offset
= size
* j
;
657 urb
->iso_frame_desc
[j
].length
= size
;
664 static int tm6000_start_thread(struct tm6000_core
*dev
)
666 struct tm6000_dmaqueue
*dma_q
= &dev
->vidq
;
670 dma_q
->ini_jiffies
= jiffies
;
672 init_waitqueue_head(&dma_q
->wq
);
674 /* submit urbs and enables IRQ */
675 for (i
= 0; i
< dev
->isoc_ctl
.num_bufs
; i
++) {
676 int rc
= usb_submit_urb(dev
->isoc_ctl
.urb
[i
], GFP_ATOMIC
);
678 tm6000_err("submit of urb %i failed (error=%i)\n", i
,
680 tm6000_uninit_isoc(dev
);
688 /* ------------------------------------------------------------------
689 * Videobuf operations
690 * ------------------------------------------------------------------
694 buffer_setup(struct videobuf_queue
*vq
, unsigned int *count
, unsigned int *size
)
696 struct tm6000_fh
*fh
= vq
->priv_data
;
698 *size
= fh
->fmt
->depth
* fh
->width
* fh
->height
>> 3;
700 *count
= TM6000_DEF_BUF
;
702 if (*count
< TM6000_MIN_BUF
)
703 *count
= TM6000_MIN_BUF
;
705 while (*size
* *count
> vid_limit
* 1024 * 1024)
711 static void free_buffer(struct videobuf_queue
*vq
, struct tm6000_buffer
*buf
)
713 struct tm6000_fh
*fh
= vq
->priv_data
;
714 struct tm6000_core
*dev
= fh
->dev
;
720 /* We used to wait for the buffer to finish here, but this didn't work
721 because, as we were keeping the state as VIDEOBUF_QUEUED,
722 videobuf_queue_cancel marked it as finished for us.
723 (Also, it could wedge forever if the hardware was misconfigured.)
725 This should be safe; by the time we get here, the buffer isn't
726 queued anymore. If we ever start marking the buffers as
727 VIDEOBUF_ACTIVE, it won't be, though.
729 spin_lock_irqsave(&dev
->slock
, flags
);
730 if (dev
->isoc_ctl
.buf
== buf
)
731 dev
->isoc_ctl
.buf
= NULL
;
732 spin_unlock_irqrestore(&dev
->slock
, flags
);
734 videobuf_vmalloc_free(&buf
->vb
);
735 buf
->vb
.state
= VIDEOBUF_NEEDS_INIT
;
739 buffer_prepare(struct videobuf_queue
*vq
, struct videobuf_buffer
*vb
,
740 enum v4l2_field field
)
742 struct tm6000_fh
*fh
= vq
->priv_data
;
743 struct tm6000_buffer
*buf
= container_of(vb
, struct tm6000_buffer
, vb
);
744 struct tm6000_core
*dev
= fh
->dev
;
747 BUG_ON(NULL
== fh
->fmt
);
750 /* FIXME: It assumes depth=2 */
751 /* The only currently supported format is 16 bits/pixel */
752 buf
->vb
.size
= fh
->fmt
->depth
*fh
->width
*fh
->height
>> 3;
753 if (0 != buf
->vb
.baddr
&& buf
->vb
.bsize
< buf
->vb
.size
)
756 if (buf
->fmt
!= fh
->fmt
||
757 buf
->vb
.width
!= fh
->width
||
758 buf
->vb
.height
!= fh
->height
||
759 buf
->vb
.field
!= field
) {
761 buf
->vb
.width
= fh
->width
;
762 buf
->vb
.height
= fh
->height
;
763 buf
->vb
.field
= field
;
764 buf
->vb
.state
= VIDEOBUF_NEEDS_INIT
;
767 if (VIDEOBUF_NEEDS_INIT
== buf
->vb
.state
) {
768 rc
= videobuf_iolock(vq
, &buf
->vb
, NULL
);
773 if (!dev
->isoc_ctl
.num_bufs
) {
774 rc
= tm6000_prepare_isoc(dev
);
778 rc
= tm6000_start_thread(dev
);
784 buf
->vb
.state
= VIDEOBUF_PREPARED
;
788 free_buffer(vq
, buf
);
793 buffer_queue(struct videobuf_queue
*vq
, struct videobuf_buffer
*vb
)
795 struct tm6000_buffer
*buf
= container_of(vb
, struct tm6000_buffer
, vb
);
796 struct tm6000_fh
*fh
= vq
->priv_data
;
797 struct tm6000_core
*dev
= fh
->dev
;
798 struct tm6000_dmaqueue
*vidq
= &dev
->vidq
;
800 buf
->vb
.state
= VIDEOBUF_QUEUED
;
801 list_add_tail(&buf
->vb
.queue
, &vidq
->active
);
804 static void buffer_release(struct videobuf_queue
*vq
, struct videobuf_buffer
*vb
)
806 struct tm6000_buffer
*buf
= container_of(vb
, struct tm6000_buffer
, vb
);
808 free_buffer(vq
, buf
);
811 static struct videobuf_queue_ops tm6000_video_qops
= {
812 .buf_setup
= buffer_setup
,
813 .buf_prepare
= buffer_prepare
,
814 .buf_queue
= buffer_queue
,
815 .buf_release
= buffer_release
,
818 /* ------------------------------------------------------------------
820 * ------------------------------------------------------------------
823 static bool is_res_read(struct tm6000_core
*dev
, struct tm6000_fh
*fh
)
825 /* Is the current fh handling it? if so, that's OK */
826 if (dev
->resources
== fh
&& dev
->is_res_read
)
832 static bool is_res_streaming(struct tm6000_core
*dev
, struct tm6000_fh
*fh
)
834 /* Is the current fh handling it? if so, that's OK */
835 if (dev
->resources
== fh
)
841 static bool res_get(struct tm6000_core
*dev
, struct tm6000_fh
*fh
,
844 /* Is the current fh handling it? if so, that's OK */
845 if (dev
->resources
== fh
&& dev
->is_res_read
== is_res_read
)
854 dev
->is_res_read
= is_res_read
;
855 dprintk(dev
, V4L2_DEBUG_RES_LOCK
, "res: get\n");
859 static void res_free(struct tm6000_core
*dev
, struct tm6000_fh
*fh
)
861 /* Is the current fh handling it? if so, that's OK */
862 if (dev
->resources
!= fh
)
865 dev
->resources
= NULL
;
866 dprintk(dev
, V4L2_DEBUG_RES_LOCK
, "res: put\n");
869 /* ------------------------------------------------------------------
870 * IOCTL vidioc handling
871 * ------------------------------------------------------------------
873 static int vidioc_querycap(struct file
*file
, void *priv
,
874 struct v4l2_capability
*cap
)
876 struct tm6000_core
*dev
= ((struct tm6000_fh
*)priv
)->dev
;
877 struct video_device
*vdev
= video_devdata(file
);
879 strlcpy(cap
->driver
, "tm6000", sizeof(cap
->driver
));
880 strlcpy(cap
->card
, "Trident TVMaster TM5600/6000/6010", sizeof(cap
->card
));
881 usb_make_path(dev
->udev
, cap
->bus_info
, sizeof(cap
->bus_info
));
882 if (dev
->tuner_type
!= TUNER_ABSENT
)
883 cap
->device_caps
|= V4L2_CAP_TUNER
;
884 if (vdev
->vfl_type
== VFL_TYPE_GRABBER
)
885 cap
->device_caps
|= V4L2_CAP_VIDEO_CAPTURE
|
889 cap
->device_caps
|= V4L2_CAP_RADIO
;
890 cap
->capabilities
= cap
->device_caps
| V4L2_CAP_DEVICE_CAPS
|
891 V4L2_CAP_RADIO
| V4L2_CAP_VIDEO_CAPTURE
| V4L2_CAP_READWRITE
;
896 static int vidioc_enum_fmt_vid_cap(struct file
*file
, void *priv
,
897 struct v4l2_fmtdesc
*f
)
899 if (f
->index
>= ARRAY_SIZE(format
))
902 strlcpy(f
->description
, format
[f
->index
].name
, sizeof(f
->description
));
903 f
->pixelformat
= format
[f
->index
].fourcc
;
907 static int vidioc_g_fmt_vid_cap(struct file
*file
, void *priv
,
908 struct v4l2_format
*f
)
910 struct tm6000_fh
*fh
= priv
;
912 f
->fmt
.pix
.width
= fh
->width
;
913 f
->fmt
.pix
.height
= fh
->height
;
914 f
->fmt
.pix
.field
= fh
->vb_vidq
.field
;
915 f
->fmt
.pix
.pixelformat
= fh
->fmt
->fourcc
;
916 f
->fmt
.pix
.colorspace
= V4L2_COLORSPACE_SMPTE170M
;
917 f
->fmt
.pix
.bytesperline
=
918 (f
->fmt
.pix
.width
* fh
->fmt
->depth
) >> 3;
919 f
->fmt
.pix
.sizeimage
=
920 f
->fmt
.pix
.height
* f
->fmt
.pix
.bytesperline
;
925 static struct tm6000_fmt
*format_by_fourcc(unsigned int fourcc
)
929 for (i
= 0; i
< ARRAY_SIZE(format
); i
++)
930 if (format
[i
].fourcc
== fourcc
)
935 static int vidioc_try_fmt_vid_cap(struct file
*file
, void *priv
,
936 struct v4l2_format
*f
)
938 struct tm6000_core
*dev
= ((struct tm6000_fh
*)priv
)->dev
;
939 struct tm6000_fmt
*fmt
;
940 enum v4l2_field field
;
942 fmt
= format_by_fourcc(f
->fmt
.pix
.pixelformat
);
944 dprintk(dev
, V4L2_DEBUG_IOCTL_ARG
, "Fourcc format (0x%08x)"
945 " invalid.\n", f
->fmt
.pix
.pixelformat
);
949 field
= f
->fmt
.pix
.field
;
951 field
= V4L2_FIELD_INTERLACED
;
953 tm6000_get_std_res(dev
);
955 f
->fmt
.pix
.width
= dev
->width
;
956 f
->fmt
.pix
.height
= dev
->height
;
958 f
->fmt
.pix
.width
&= ~0x01;
960 f
->fmt
.pix
.field
= field
;
962 f
->fmt
.pix
.bytesperline
=
963 (f
->fmt
.pix
.width
* fmt
->depth
) >> 3;
964 f
->fmt
.pix
.sizeimage
=
965 f
->fmt
.pix
.height
* f
->fmt
.pix
.bytesperline
;
966 f
->fmt
.pix
.colorspace
= V4L2_COLORSPACE_SMPTE170M
;
971 /*FIXME: This seems to be generic enough to be at videodev2 */
972 static int vidioc_s_fmt_vid_cap(struct file
*file
, void *priv
,
973 struct v4l2_format
*f
)
975 struct tm6000_fh
*fh
= priv
;
976 struct tm6000_core
*dev
= fh
->dev
;
977 int ret
= vidioc_try_fmt_vid_cap(file
, fh
, f
);
981 fh
->fmt
= format_by_fourcc(f
->fmt
.pix
.pixelformat
);
982 fh
->width
= f
->fmt
.pix
.width
;
983 fh
->height
= f
->fmt
.pix
.height
;
984 fh
->vb_vidq
.field
= f
->fmt
.pix
.field
;
987 dev
->fourcc
= f
->fmt
.pix
.pixelformat
;
989 tm6000_set_fourcc_format(dev
);
994 static int vidioc_reqbufs(struct file
*file
, void *priv
,
995 struct v4l2_requestbuffers
*p
)
997 struct tm6000_fh
*fh
= priv
;
999 return videobuf_reqbufs(&fh
->vb_vidq
, p
);
1002 static int vidioc_querybuf(struct file
*file
, void *priv
,
1003 struct v4l2_buffer
*p
)
1005 struct tm6000_fh
*fh
= priv
;
1007 return videobuf_querybuf(&fh
->vb_vidq
, p
);
1010 static int vidioc_qbuf(struct file
*file
, void *priv
, struct v4l2_buffer
*p
)
1012 struct tm6000_fh
*fh
= priv
;
1014 return videobuf_qbuf(&fh
->vb_vidq
, p
);
1017 static int vidioc_dqbuf(struct file
*file
, void *priv
, struct v4l2_buffer
*p
)
1019 struct tm6000_fh
*fh
= priv
;
1021 return videobuf_dqbuf(&fh
->vb_vidq
, p
,
1022 file
->f_flags
& O_NONBLOCK
);
1025 static int vidioc_streamon(struct file
*file
, void *priv
, enum v4l2_buf_type i
)
1027 struct tm6000_fh
*fh
= priv
;
1028 struct tm6000_core
*dev
= fh
->dev
;
1030 if (fh
->type
!= V4L2_BUF_TYPE_VIDEO_CAPTURE
)
1035 if (!res_get(dev
, fh
, false))
1037 return videobuf_streamon(&fh
->vb_vidq
);
1040 static int vidioc_streamoff(struct file
*file
, void *priv
, enum v4l2_buf_type i
)
1042 struct tm6000_fh
*fh
= priv
;
1043 struct tm6000_core
*dev
= fh
->dev
;
1045 if (fh
->type
!= V4L2_BUF_TYPE_VIDEO_CAPTURE
)
1051 videobuf_streamoff(&fh
->vb_vidq
);
1057 static int vidioc_s_std(struct file
*file
, void *priv
, v4l2_std_id norm
)
1060 struct tm6000_fh
*fh
= priv
;
1061 struct tm6000_core
*dev
= fh
->dev
;
1064 rc
= tm6000_init_analog_mode(dev
);
1066 fh
->width
= dev
->width
;
1067 fh
->height
= dev
->height
;
1072 v4l2_device_call_all(&dev
->v4l2_dev
, 0, video
, s_std
, dev
->norm
);
1077 static int vidioc_g_std(struct file
*file
, void *priv
, v4l2_std_id
*norm
)
1079 struct tm6000_fh
*fh
= priv
;
1080 struct tm6000_core
*dev
= fh
->dev
;
1086 static const char *iname
[] = {
1087 [TM6000_INPUT_TV
] = "Television",
1088 [TM6000_INPUT_COMPOSITE1
] = "Composite 1",
1089 [TM6000_INPUT_COMPOSITE2
] = "Composite 2",
1090 [TM6000_INPUT_SVIDEO
] = "S-Video",
1093 static int vidioc_enum_input(struct file
*file
, void *priv
,
1094 struct v4l2_input
*i
)
1096 struct tm6000_fh
*fh
= priv
;
1097 struct tm6000_core
*dev
= fh
->dev
;
1104 if (!dev
->vinput
[n
].type
)
1109 if (dev
->vinput
[n
].type
== TM6000_INPUT_TV
)
1110 i
->type
= V4L2_INPUT_TYPE_TUNER
;
1112 i
->type
= V4L2_INPUT_TYPE_CAMERA
;
1114 strcpy(i
->name
, iname
[dev
->vinput
[n
].type
]);
1116 i
->std
= TM6000_STD
;
1121 static int vidioc_g_input(struct file
*file
, void *priv
, unsigned int *i
)
1123 struct tm6000_fh
*fh
= priv
;
1124 struct tm6000_core
*dev
= fh
->dev
;
1131 static int vidioc_s_input(struct file
*file
, void *priv
, unsigned int i
)
1133 struct tm6000_fh
*fh
= priv
;
1134 struct tm6000_core
*dev
= fh
->dev
;
1139 if (!dev
->vinput
[i
].type
)
1144 rc
= vidioc_s_std(file
, priv
, dev
->norm
);
1149 /* --- controls ---------------------------------------------- */
1151 static int tm6000_s_ctrl(struct v4l2_ctrl
*ctrl
)
1153 struct tm6000_core
*dev
= container_of(ctrl
->handler
, struct tm6000_core
, ctrl_handler
);
1157 case V4L2_CID_CONTRAST
:
1158 tm6000_set_reg(dev
, TM6010_REQ07_R08_LUMA_CONTRAST_ADJ
, val
);
1160 case V4L2_CID_BRIGHTNESS
:
1161 tm6000_set_reg(dev
, TM6010_REQ07_R09_LUMA_BRIGHTNESS_ADJ
, val
);
1163 case V4L2_CID_SATURATION
:
1164 tm6000_set_reg(dev
, TM6010_REQ07_R0A_CHROMA_SATURATION_ADJ
, val
);
1167 tm6000_set_reg(dev
, TM6010_REQ07_R0B_CHROMA_HUE_PHASE_ADJ
, val
);
1173 static const struct v4l2_ctrl_ops tm6000_ctrl_ops
= {
1174 .s_ctrl
= tm6000_s_ctrl
,
1177 static int tm6000_radio_s_ctrl(struct v4l2_ctrl
*ctrl
)
1179 struct tm6000_core
*dev
= container_of(ctrl
->handler
,
1180 struct tm6000_core
, radio_ctrl_handler
);
1184 case V4L2_CID_AUDIO_MUTE
:
1185 dev
->ctl_mute
= val
;
1186 tm6000_tvaudio_set_mute(dev
, val
);
1188 case V4L2_CID_AUDIO_VOLUME
:
1189 dev
->ctl_volume
= val
;
1190 tm6000_set_volume(dev
, val
);
1196 static const struct v4l2_ctrl_ops tm6000_radio_ctrl_ops
= {
1197 .s_ctrl
= tm6000_radio_s_ctrl
,
1200 static int vidioc_g_tuner(struct file
*file
, void *priv
,
1201 struct v4l2_tuner
*t
)
1203 struct tm6000_fh
*fh
= priv
;
1204 struct tm6000_core
*dev
= fh
->dev
;
1206 if (UNSET
== dev
->tuner_type
)
1211 strcpy(t
->name
, "Television");
1212 t
->type
= V4L2_TUNER_ANALOG_TV
;
1213 t
->capability
= V4L2_TUNER_CAP_NORM
| V4L2_TUNER_CAP_STEREO
;
1214 t
->rangehigh
= 0xffffffffUL
;
1215 t
->rxsubchans
= V4L2_TUNER_SUB_STEREO
;
1217 v4l2_device_call_all(&dev
->v4l2_dev
, 0, tuner
, g_tuner
, t
);
1219 t
->audmode
= dev
->amode
;
1224 static int vidioc_s_tuner(struct file
*file
, void *priv
,
1225 const struct v4l2_tuner
*t
)
1227 struct tm6000_fh
*fh
= priv
;
1228 struct tm6000_core
*dev
= fh
->dev
;
1230 if (UNSET
== dev
->tuner_type
)
1235 if (t
->audmode
> V4L2_TUNER_MODE_STEREO
)
1236 dev
->amode
= V4L2_TUNER_MODE_STEREO
;
1238 dev
->amode
= t
->audmode
;
1239 dprintk(dev
, 3, "audio mode: %x\n", t
->audmode
);
1241 v4l2_device_call_all(&dev
->v4l2_dev
, 0, tuner
, s_tuner
, t
);
1246 static int vidioc_g_frequency(struct file
*file
, void *priv
,
1247 struct v4l2_frequency
*f
)
1249 struct tm6000_fh
*fh
= priv
;
1250 struct tm6000_core
*dev
= fh
->dev
;
1252 if (UNSET
== dev
->tuner_type
)
1257 f
->frequency
= dev
->freq
;
1259 v4l2_device_call_all(&dev
->v4l2_dev
, 0, tuner
, g_frequency
, f
);
1264 static int vidioc_s_frequency(struct file
*file
, void *priv
,
1265 const struct v4l2_frequency
*f
)
1267 struct tm6000_fh
*fh
= priv
;
1268 struct tm6000_core
*dev
= fh
->dev
;
1270 if (UNSET
== dev
->tuner_type
)
1275 dev
->freq
= f
->frequency
;
1276 v4l2_device_call_all(&dev
->v4l2_dev
, 0, tuner
, s_frequency
, f
);
1281 static int radio_g_tuner(struct file
*file
, void *priv
,
1282 struct v4l2_tuner
*t
)
1284 struct tm6000_fh
*fh
= file
->private_data
;
1285 struct tm6000_core
*dev
= fh
->dev
;
1290 memset(t
, 0, sizeof(*t
));
1291 strcpy(t
->name
, "Radio");
1292 t
->type
= V4L2_TUNER_RADIO
;
1293 t
->capability
= V4L2_TUNER_CAP_LOW
| V4L2_TUNER_CAP_STEREO
;
1294 t
->rxsubchans
= V4L2_TUNER_SUB_STEREO
;
1295 t
->audmode
= V4L2_TUNER_MODE_STEREO
;
1297 v4l2_device_call_all(&dev
->v4l2_dev
, 0, tuner
, g_tuner
, t
);
1302 static int radio_s_tuner(struct file
*file
, void *priv
,
1303 const struct v4l2_tuner
*t
)
1305 struct tm6000_fh
*fh
= file
->private_data
;
1306 struct tm6000_core
*dev
= fh
->dev
;
1310 v4l2_device_call_all(&dev
->v4l2_dev
, 0, tuner
, s_tuner
, t
);
1314 /* ------------------------------------------------------------------
1315 File operations for the device
1316 ------------------------------------------------------------------*/
1318 static int __tm6000_open(struct file
*file
)
1320 struct video_device
*vdev
= video_devdata(file
);
1321 struct tm6000_core
*dev
= video_drvdata(file
);
1322 struct tm6000_fh
*fh
;
1323 enum v4l2_buf_type type
= V4L2_BUF_TYPE_VIDEO_CAPTURE
;
1327 dprintk(dev
, V4L2_DEBUG_OPEN
, "tm6000: open called (dev=%s)\n",
1328 video_device_node_name(vdev
));
1330 switch (vdev
->vfl_type
) {
1331 case VFL_TYPE_GRABBER
:
1332 type
= V4L2_BUF_TYPE_VIDEO_CAPTURE
;
1335 type
= V4L2_BUF_TYPE_VBI_CAPTURE
;
1337 case VFL_TYPE_RADIO
:
1342 /* If more than one user, mutex should be added */
1345 dprintk(dev
, V4L2_DEBUG_OPEN
, "open dev=%s type=%s users=%d\n",
1346 video_device_node_name(vdev
), v4l2_type_names
[type
],
1349 /* allocate + initialize per filehandle data */
1350 fh
= kzalloc(sizeof(*fh
), GFP_KERNEL
);
1356 v4l2_fh_init(&fh
->fh
, vdev
);
1357 file
->private_data
= fh
;
1362 dev
->fourcc
= format
[0].fourcc
;
1364 fh
->fmt
= format_by_fourcc(dev
->fourcc
);
1366 tm6000_get_std_res(dev
);
1368 fh
->width
= dev
->width
;
1369 fh
->height
= dev
->height
;
1371 dprintk(dev
, V4L2_DEBUG_OPEN
, "Open: fh=0x%08lx, dev=0x%08lx, "
1372 "dev->vidq=0x%08lx\n",
1373 (unsigned long)fh
, (unsigned long)dev
,
1374 (unsigned long)&dev
->vidq
);
1375 dprintk(dev
, V4L2_DEBUG_OPEN
, "Open: list_empty "
1376 "queued=%d\n", list_empty(&dev
->vidq
.queued
));
1377 dprintk(dev
, V4L2_DEBUG_OPEN
, "Open: list_empty "
1378 "active=%d\n", list_empty(&dev
->vidq
.active
));
1380 /* initialize hardware on analog mode */
1381 rc
= tm6000_init_analog_mode(dev
);
1385 dev
->mode
= TM6000_MODE_ANALOG
;
1388 videobuf_queue_vmalloc_init(&fh
->vb_vidq
, &tm6000_video_qops
,
1391 V4L2_FIELD_INTERLACED
,
1392 sizeof(struct tm6000_buffer
), fh
, &dev
->lock
);
1394 dprintk(dev
, V4L2_DEBUG_OPEN
, "video_open: setting radio device\n");
1395 tm6000_set_audio_rinput(dev
);
1396 v4l2_device_call_all(&dev
->v4l2_dev
, 0, tuner
, s_radio
);
1397 tm6000_prepare_isoc(dev
);
1398 tm6000_start_thread(dev
);
1400 v4l2_fh_add(&fh
->fh
);
1405 static int tm6000_open(struct file
*file
)
1407 struct video_device
*vdev
= video_devdata(file
);
1410 mutex_lock(vdev
->lock
);
1411 res
= __tm6000_open(file
);
1412 mutex_unlock(vdev
->lock
);
1417 tm6000_read(struct file
*file
, char __user
*data
, size_t count
, loff_t
*pos
)
1419 struct tm6000_fh
*fh
= file
->private_data
;
1420 struct tm6000_core
*dev
= fh
->dev
;
1422 if (fh
->type
== V4L2_BUF_TYPE_VIDEO_CAPTURE
) {
1425 if (!res_get(fh
->dev
, fh
, true))
1428 if (mutex_lock_interruptible(&dev
->lock
))
1429 return -ERESTARTSYS
;
1430 res
= videobuf_read_stream(&fh
->vb_vidq
, data
, count
, pos
, 0,
1431 file
->f_flags
& O_NONBLOCK
);
1432 mutex_unlock(&dev
->lock
);
1439 __tm6000_poll(struct file
*file
, struct poll_table_struct
*wait
)
1441 unsigned long req_events
= poll_requested_events(wait
);
1442 struct tm6000_fh
*fh
= file
->private_data
;
1443 struct tm6000_buffer
*buf
;
1446 if (v4l2_event_pending(&fh
->fh
))
1448 else if (req_events
& POLLPRI
)
1449 poll_wait(file
, &fh
->fh
.wait
, wait
);
1450 if (V4L2_BUF_TYPE_VIDEO_CAPTURE
!= fh
->type
)
1451 return res
| POLLERR
;
1453 if (!!is_res_streaming(fh
->dev
, fh
))
1454 return res
| POLLERR
;
1456 if (!is_res_read(fh
->dev
, fh
)) {
1457 /* streaming capture */
1458 if (list_empty(&fh
->vb_vidq
.stream
))
1459 return res
| POLLERR
;
1460 buf
= list_entry(fh
->vb_vidq
.stream
.next
, struct tm6000_buffer
, vb
.stream
);
1461 poll_wait(file
, &buf
->vb
.done
, wait
);
1462 if (buf
->vb
.state
== VIDEOBUF_DONE
||
1463 buf
->vb
.state
== VIDEOBUF_ERROR
)
1464 return res
| POLLIN
| POLLRDNORM
;
1465 } else if (req_events
& (POLLIN
| POLLRDNORM
)) {
1466 /* read() capture */
1467 return res
| videobuf_poll_stream(file
, &fh
->vb_vidq
, wait
);
1472 static unsigned int tm6000_poll(struct file
*file
, struct poll_table_struct
*wait
)
1474 struct tm6000_fh
*fh
= file
->private_data
;
1475 struct tm6000_core
*dev
= fh
->dev
;
1478 mutex_lock(&dev
->lock
);
1479 res
= __tm6000_poll(file
, wait
);
1480 mutex_unlock(&dev
->lock
);
1484 static int tm6000_release(struct file
*file
)
1486 struct tm6000_fh
*fh
= file
->private_data
;
1487 struct tm6000_core
*dev
= fh
->dev
;
1488 struct video_device
*vdev
= video_devdata(file
);
1490 dprintk(dev
, V4L2_DEBUG_OPEN
, "tm6000: close called (dev=%s, users=%d)\n",
1491 video_device_node_name(vdev
), dev
->users
);
1493 mutex_lock(&dev
->lock
);
1499 tm6000_uninit_isoc(dev
);
1501 /* Stop interrupt USB pipe */
1502 tm6000_ir_int_stop(dev
);
1504 usb_reset_configuration(dev
->udev
);
1506 if (dev
->int_in
.endp
)
1507 usb_set_interface(dev
->udev
,
1508 dev
->isoc_in
.bInterfaceNumber
, 2);
1510 usb_set_interface(dev
->udev
,
1511 dev
->isoc_in
.bInterfaceNumber
, 0);
1513 /* Start interrupt USB pipe */
1514 tm6000_ir_int_start(dev
);
1517 videobuf_mmap_free(&fh
->vb_vidq
);
1519 v4l2_fh_del(&fh
->fh
);
1520 v4l2_fh_exit(&fh
->fh
);
1522 mutex_unlock(&dev
->lock
);
1527 static int tm6000_mmap(struct file
*file
, struct vm_area_struct
* vma
)
1529 struct tm6000_fh
*fh
= file
->private_data
;
1530 struct tm6000_core
*dev
= fh
->dev
;
1533 if (mutex_lock_interruptible(&dev
->lock
))
1534 return -ERESTARTSYS
;
1535 res
= videobuf_mmap_mapper(&fh
->vb_vidq
, vma
);
1536 mutex_unlock(&dev
->lock
);
1540 static struct v4l2_file_operations tm6000_fops
= {
1541 .owner
= THIS_MODULE
,
1542 .open
= tm6000_open
,
1543 .release
= tm6000_release
,
1544 .unlocked_ioctl
= video_ioctl2
, /* V4L2 ioctl handler */
1545 .read
= tm6000_read
,
1546 .poll
= tm6000_poll
,
1547 .mmap
= tm6000_mmap
,
1550 static const struct v4l2_ioctl_ops video_ioctl_ops
= {
1551 .vidioc_querycap
= vidioc_querycap
,
1552 .vidioc_enum_fmt_vid_cap
= vidioc_enum_fmt_vid_cap
,
1553 .vidioc_g_fmt_vid_cap
= vidioc_g_fmt_vid_cap
,
1554 .vidioc_try_fmt_vid_cap
= vidioc_try_fmt_vid_cap
,
1555 .vidioc_s_fmt_vid_cap
= vidioc_s_fmt_vid_cap
,
1556 .vidioc_s_std
= vidioc_s_std
,
1557 .vidioc_g_std
= vidioc_g_std
,
1558 .vidioc_enum_input
= vidioc_enum_input
,
1559 .vidioc_g_input
= vidioc_g_input
,
1560 .vidioc_s_input
= vidioc_s_input
,
1561 .vidioc_g_tuner
= vidioc_g_tuner
,
1562 .vidioc_s_tuner
= vidioc_s_tuner
,
1563 .vidioc_g_frequency
= vidioc_g_frequency
,
1564 .vidioc_s_frequency
= vidioc_s_frequency
,
1565 .vidioc_streamon
= vidioc_streamon
,
1566 .vidioc_streamoff
= vidioc_streamoff
,
1567 .vidioc_reqbufs
= vidioc_reqbufs
,
1568 .vidioc_querybuf
= vidioc_querybuf
,
1569 .vidioc_qbuf
= vidioc_qbuf
,
1570 .vidioc_dqbuf
= vidioc_dqbuf
,
1571 .vidioc_subscribe_event
= v4l2_ctrl_subscribe_event
,
1572 .vidioc_unsubscribe_event
= v4l2_event_unsubscribe
,
1575 static struct video_device tm6000_template
= {
1577 .fops
= &tm6000_fops
,
1578 .ioctl_ops
= &video_ioctl_ops
,
1579 .release
= video_device_release
,
1580 .tvnorms
= TM6000_STD
,
1583 static const struct v4l2_file_operations radio_fops
= {
1584 .owner
= THIS_MODULE
,
1585 .open
= tm6000_open
,
1586 .poll
= v4l2_ctrl_poll
,
1587 .release
= tm6000_release
,
1588 .unlocked_ioctl
= video_ioctl2
,
1591 static const struct v4l2_ioctl_ops radio_ioctl_ops
= {
1592 .vidioc_querycap
= vidioc_querycap
,
1593 .vidioc_g_tuner
= radio_g_tuner
,
1594 .vidioc_s_tuner
= radio_s_tuner
,
1595 .vidioc_g_frequency
= vidioc_g_frequency
,
1596 .vidioc_s_frequency
= vidioc_s_frequency
,
1597 .vidioc_subscribe_event
= v4l2_ctrl_subscribe_event
,
1598 .vidioc_unsubscribe_event
= v4l2_event_unsubscribe
,
1601 static struct video_device tm6000_radio_template
= {
1603 .fops
= &radio_fops
,
1604 .ioctl_ops
= &radio_ioctl_ops
,
1607 /* -----------------------------------------------------------------
1608 * Initialization and module stuff
1609 * ------------------------------------------------------------------
1612 static struct video_device
*vdev_init(struct tm6000_core
*dev
,
1613 const struct video_device
1614 *template, const char *type_name
)
1616 struct video_device
*vfd
;
1618 vfd
= video_device_alloc();
1623 vfd
->v4l2_dev
= &dev
->v4l2_dev
;
1624 vfd
->release
= video_device_release
;
1625 vfd
->debug
= tm6000_debug
;
1626 vfd
->lock
= &dev
->lock
;
1628 snprintf(vfd
->name
, sizeof(vfd
->name
), "%s %s", dev
->name
, type_name
);
1630 video_set_drvdata(vfd
, dev
);
1634 int tm6000_v4l2_register(struct tm6000_core
*dev
)
1638 v4l2_ctrl_handler_init(&dev
->ctrl_handler
, 6);
1639 v4l2_ctrl_handler_init(&dev
->radio_ctrl_handler
, 2);
1640 v4l2_ctrl_new_std(&dev
->radio_ctrl_handler
, &tm6000_radio_ctrl_ops
,
1641 V4L2_CID_AUDIO_MUTE
, 0, 1, 1, 0);
1642 v4l2_ctrl_new_std(&dev
->radio_ctrl_handler
, &tm6000_radio_ctrl_ops
,
1643 V4L2_CID_AUDIO_VOLUME
, -15, 15, 1, 0);
1644 v4l2_ctrl_new_std(&dev
->ctrl_handler
, &tm6000_ctrl_ops
,
1645 V4L2_CID_BRIGHTNESS
, 0, 255, 1, 54);
1646 v4l2_ctrl_new_std(&dev
->ctrl_handler
, &tm6000_ctrl_ops
,
1647 V4L2_CID_CONTRAST
, 0, 255, 1, 119);
1648 v4l2_ctrl_new_std(&dev
->ctrl_handler
, &tm6000_ctrl_ops
,
1649 V4L2_CID_SATURATION
, 0, 255, 1, 112);
1650 v4l2_ctrl_new_std(&dev
->ctrl_handler
, &tm6000_ctrl_ops
,
1651 V4L2_CID_HUE
, -128, 127, 1, 0);
1652 v4l2_ctrl_add_handler(&dev
->ctrl_handler
,
1653 &dev
->radio_ctrl_handler
, NULL
);
1655 if (dev
->radio_ctrl_handler
.error
)
1656 ret
= dev
->radio_ctrl_handler
.error
;
1657 if (!ret
&& dev
->ctrl_handler
.error
)
1658 ret
= dev
->ctrl_handler
.error
;
1662 dev
->vfd
= vdev_init(dev
, &tm6000_template
, "video");
1665 printk(KERN_INFO
"%s: can't register video device\n",
1670 dev
->vfd
->ctrl_handler
= &dev
->ctrl_handler
;
1672 /* init video dma queues */
1673 INIT_LIST_HEAD(&dev
->vidq
.active
);
1674 INIT_LIST_HEAD(&dev
->vidq
.queued
);
1676 ret
= video_register_device(dev
->vfd
, VFL_TYPE_GRABBER
, video_nr
);
1679 printk(KERN_INFO
"%s: can't register video device\n",
1681 video_device_release(dev
->vfd
);
1686 printk(KERN_INFO
"%s: registered device %s\n",
1687 dev
->name
, video_device_node_name(dev
->vfd
));
1689 if (dev
->caps
.has_radio
) {
1690 dev
->radio_dev
= vdev_init(dev
, &tm6000_radio_template
,
1692 if (!dev
->radio_dev
) {
1693 printk(KERN_INFO
"%s: can't register radio device\n",
1699 dev
->radio_dev
->ctrl_handler
= &dev
->radio_ctrl_handler
;
1700 ret
= video_register_device(dev
->radio_dev
, VFL_TYPE_RADIO
,
1703 printk(KERN_INFO
"%s: can't register radio device\n",
1705 video_device_release(dev
->radio_dev
);
1709 printk(KERN_INFO
"%s: registered device %s\n",
1710 dev
->name
, video_device_node_name(dev
->radio_dev
));
1713 printk(KERN_INFO
"Trident TVMaster TM5600/TM6000/TM6010 USB2 board (Load status: %d)\n", ret
);
1717 video_unregister_device(dev
->vfd
);
1719 v4l2_ctrl_handler_free(&dev
->ctrl_handler
);
1720 v4l2_ctrl_handler_free(&dev
->radio_ctrl_handler
);
1724 int tm6000_v4l2_unregister(struct tm6000_core
*dev
)
1726 video_unregister_device(dev
->vfd
);
1728 /* if URB buffers are still allocated free them now */
1729 tm6000_free_urb_buffers(dev
);
1731 if (dev
->radio_dev
) {
1732 if (video_is_registered(dev
->radio_dev
))
1733 video_unregister_device(dev
->radio_dev
);
1735 video_device_release(dev
->radio_dev
);
1736 dev
->radio_dev
= NULL
;
1742 int tm6000_v4l2_exit(void)
1747 module_param(video_nr
, int, 0);
1748 MODULE_PARM_DESC(video_nr
, "Allow changing video device number");
1750 module_param_named(debug
, tm6000_debug
, int, 0444);
1751 MODULE_PARM_DESC(debug
, "activates debug info");
1753 module_param(vid_limit
, int, 0644);
1754 MODULE_PARM_DESC(vid_limit
, "capture memory limit in megabytes");
1756 module_param(keep_urb
, bool, 0);
1757 MODULE_PARM_DESC(keep_urb
, "Keep urb buffers allocated even when the device is closed by the user");