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/tuner.h>
38 #include <linux/interrupt.h>
39 #include <linux/kthread.h>
40 #include <linux/highmem.h>
41 #include <linux/freezer.h>
43 #include "tm6000-regs.h"
46 #define BUFFER_TIMEOUT msecs_to_jiffies(2000) /* 2 seconds */
48 /* Limits minimum and default number of buffers */
49 #define TM6000_MIN_BUF 4
50 #define TM6000_DEF_BUF 8
52 #define TM6000_MAX_ISO_PACKETS 46 /* Max number of ISO packets */
54 /* Declare static vars that will be used as parameters */
55 static unsigned int vid_limit
= 16; /* Video memory limit, in Mb */
56 static int video_nr
= -1; /* /dev/videoN, -1 for autodetect */
57 static int radio_nr
= -1; /* /dev/radioN, -1 for autodetect */
61 EXPORT_SYMBOL_GPL(tm6000_debug
);
63 static const struct v4l2_queryctrl no_ctrl
= {
65 .flags
= V4L2_CTRL_FLAG_DISABLED
,
68 /* supported controls */
69 static struct v4l2_queryctrl tm6000_qctrl
[] = {
71 .id
= V4L2_CID_BRIGHTNESS
,
72 .type
= V4L2_CTRL_TYPE_INTEGER
,
80 .id
= V4L2_CID_CONTRAST
,
81 .type
= V4L2_CTRL_TYPE_INTEGER
,
89 .id
= V4L2_CID_SATURATION
,
90 .type
= V4L2_CTRL_TYPE_INTEGER
,
99 .type
= V4L2_CTRL_TYPE_INTEGER
,
109 .id
= V4L2_CID_AUDIO_MUTE
,
113 .type
= V4L2_CTRL_TYPE_BOOLEAN
,
115 .id
= V4L2_CID_AUDIO_VOLUME
,
121 .type
= V4L2_CTRL_TYPE_INTEGER
,
125 static const unsigned int CTRLS
= ARRAY_SIZE(tm6000_qctrl
);
126 static int qctl_regs
[ARRAY_SIZE(tm6000_qctrl
)];
128 static struct tm6000_fmt format
[] = {
130 .name
= "4:2:2, packed, YVY2",
131 .fourcc
= V4L2_PIX_FMT_YUYV
,
134 .name
= "4:2:2, packed, UYVY",
135 .fourcc
= V4L2_PIX_FMT_UYVY
,
138 .name
= "A/V + VBI mux packet",
139 .fourcc
= V4L2_PIX_FMT_TM6000
,
144 static const struct v4l2_queryctrl
*ctrl_by_id(unsigned int id
)
148 for (i
= 0; i
< CTRLS
; i
++)
149 if (tm6000_qctrl
[i
].id
== id
)
150 return tm6000_qctrl
+i
;
154 /* ------------------------------------------------------------------
155 * DMA and thread functions
156 * ------------------------------------------------------------------
159 #define norm_maxw(a) 720
160 #define norm_maxh(a) 576
162 #define norm_minw(a) norm_maxw(a)
163 #define norm_minh(a) norm_maxh(a)
166 * video-buf generic routine to get the next available buffer
168 static inline void get_next_buf(struct tm6000_dmaqueue
*dma_q
,
169 struct tm6000_buffer
**buf
)
171 struct tm6000_core
*dev
= container_of(dma_q
, struct tm6000_core
, vidq
);
173 if (list_empty(&dma_q
->active
)) {
174 dprintk(dev
, V4L2_DEBUG_QUEUE
, "No active queue to serve\n");
179 *buf
= list_entry(dma_q
->active
.next
,
180 struct tm6000_buffer
, vb
.queue
);
184 * Announces that a buffer were filled and request the next
186 static inline void buffer_filled(struct tm6000_core
*dev
,
187 struct tm6000_dmaqueue
*dma_q
,
188 struct tm6000_buffer
*buf
)
190 /* Advice that buffer was filled */
191 dprintk(dev
, V4L2_DEBUG_ISOC
, "[%p/%d] wakeup\n", buf
, buf
->vb
.i
);
192 buf
->vb
.state
= VIDEOBUF_DONE
;
193 buf
->vb
.field_count
++;
194 do_gettimeofday(&buf
->vb
.ts
);
196 list_del(&buf
->vb
.queue
);
197 wake_up(&buf
->vb
.done
);
201 * Identify the tm5600/6000 buffer header type and properly handles
203 static int copy_streams(u8
*data
, unsigned long len
,
206 struct tm6000_dmaqueue
*dma_q
= urb
->context
;
207 struct tm6000_core
*dev
= container_of(dma_q
, struct tm6000_core
, vidq
);
208 u8
*ptr
= data
, *endp
= data
+len
;
209 unsigned long header
= 0;
211 unsigned int cmd
, cpysize
, pktsize
, size
, field
, block
, line
, pos
= 0;
212 struct tm6000_buffer
*vbuf
= NULL
;
214 unsigned int linewidth
;
217 /* get video buffer */
218 get_next_buf(dma_q
, &vbuf
);
222 voutp
= videobuf_to_vmalloc(&vbuf
->vb
);
228 for (ptr
= data
; ptr
< endp
;) {
229 if (!dev
->isoc_ctl
.cmd
) {
231 if (dev
->isoc_ctl
.tmp_buf_len
> 0) {
232 /* from last urb or packet */
233 header
= dev
->isoc_ctl
.tmp_buf
;
234 if (4 - dev
->isoc_ctl
.tmp_buf_len
> 0) {
235 memcpy((u8
*)&header
+
236 dev
->isoc_ctl
.tmp_buf_len
,
238 4 - dev
->isoc_ctl
.tmp_buf_len
);
239 ptr
+= 4 - dev
->isoc_ctl
.tmp_buf_len
;
241 dev
->isoc_ctl
.tmp_buf_len
= 0;
243 if (ptr
+ 3 >= endp
) {
244 /* have incomplete header */
245 dev
->isoc_ctl
.tmp_buf_len
= endp
- ptr
;
246 memcpy(&dev
->isoc_ctl
.tmp_buf
, ptr
,
247 dev
->isoc_ctl
.tmp_buf_len
);
251 for (; ptr
< endp
- 3; ptr
++) {
252 if (*(ptr
+ 3) == 0x47)
255 /* Get message header */
256 header
= *(unsigned long *)ptr
;
260 /* split the header fields */
261 size
= ((header
& 0x7e) << 1);
264 block
= (header
>> 7) & 0xf;
265 field
= (header
>> 11) & 0x1;
266 line
= (header
>> 12) & 0x1ff;
267 cmd
= (header
>> 21) & 0x7;
268 /* Validates haeder fields */
269 if (size
> TM6000_URB_MSG_LEN
)
270 size
= TM6000_URB_MSG_LEN
;
271 pktsize
= TM6000_URB_MSG_LEN
;
273 * calculate position in buffer and change the buffer
276 case TM6000_URB_MSG_VIDEO
:
278 if ((dev
->isoc_ctl
.vfield
!= field
) &&
281 * Announces that a new buffer
284 buffer_filled(dev
, dma_q
, vbuf
);
285 dprintk(dev
, V4L2_DEBUG_ISOC
,
286 "new buffer filled\n");
287 get_next_buf(dma_q
, &vbuf
);
290 voutp
= videobuf_to_vmalloc(&vbuf
->vb
);
293 memset(voutp
, 0, vbuf
->vb
.size
);
295 linewidth
= vbuf
->vb
.width
<< 1;
296 pos
= ((line
<< 1) - field
- 1) *
297 linewidth
+ block
* TM6000_URB_MSG_LEN
;
298 /* Don't allow to write out of the buffer */
299 if (pos
+ size
> vbuf
->vb
.size
)
300 cmd
= TM6000_URB_MSG_ERR
;
301 dev
->isoc_ctl
.vfield
= field
;
304 case TM6000_URB_MSG_VBI
:
306 case TM6000_URB_MSG_AUDIO
:
307 case TM6000_URB_MSG_PTS
:
308 size
= pktsize
; /* Size is always 180 bytes */
312 /* Continue the last copy */
313 cmd
= dev
->isoc_ctl
.cmd
;
314 size
= dev
->isoc_ctl
.size
;
315 pos
= dev
->isoc_ctl
.pos
;
316 pktsize
= dev
->isoc_ctl
.pktsize
;
317 field
= dev
->isoc_ctl
.field
;
319 cpysize
= (endp
- ptr
> size
) ? size
: endp
- ptr
;
321 /* copy data in different buffers */
323 case TM6000_URB_MSG_VIDEO
:
324 /* Fills video buffer */
326 memcpy(&voutp
[pos
], ptr
, cpysize
);
328 case TM6000_URB_MSG_AUDIO
: {
330 for (i
= 0; i
< cpysize
; i
+= 2)
331 swab16s((u16
*)(ptr
+ i
));
333 tm6000_call_fillbuf(dev
, TM6000_AUDIO
, ptr
, cpysize
);
336 case TM6000_URB_MSG_VBI
:
337 /* Need some code to copy vbi buffer */
339 case TM6000_URB_MSG_PTS
: {
340 /* Need some code to copy pts */
343 dprintk(dev
, V4L2_DEBUG_ISOC
, "field %d, PTS %x",
349 if (ptr
+ pktsize
> endp
) {
351 * End of URB packet, but cmd processing is not
352 * complete. Preserve the state for a next packet
354 dev
->isoc_ctl
.pos
= pos
+ cpysize
;
355 dev
->isoc_ctl
.size
= size
- cpysize
;
356 dev
->isoc_ctl
.cmd
= cmd
;
357 dev
->isoc_ctl
.field
= field
;
358 dev
->isoc_ctl
.pktsize
= pktsize
- (endp
- ptr
);
361 dev
->isoc_ctl
.cmd
= 0;
369 * Identify the tm5600/6000 buffer header type and properly handles
371 static int copy_multiplexed(u8
*ptr
, unsigned long len
,
374 struct tm6000_dmaqueue
*dma_q
= urb
->context
;
375 struct tm6000_core
*dev
= container_of(dma_q
, struct tm6000_core
, vidq
);
376 unsigned int pos
= dev
->isoc_ctl
.pos
, cpysize
;
378 struct tm6000_buffer
*buf
;
381 get_next_buf(dma_q
, &buf
);
383 outp
= videobuf_to_vmalloc(&buf
->vb
);
389 cpysize
= min(len
, buf
->vb
.size
-pos
);
390 memcpy(&outp
[pos
], ptr
, cpysize
);
394 if (pos
>= buf
->vb
.size
) {
396 /* Announces that a new buffer were filled */
397 buffer_filled(dev
, dma_q
, buf
);
398 dprintk(dev
, V4L2_DEBUG_ISOC
, "new buffer filled\n");
399 get_next_buf(dma_q
, &buf
);
402 outp
= videobuf_to_vmalloc(&(buf
->vb
));
409 dev
->isoc_ctl
.pos
= pos
;
413 static inline void print_err_status(struct tm6000_core
*dev
,
414 int packet
, int status
)
416 char *errmsg
= "Unknown";
420 errmsg
= "unlinked synchronuously";
423 errmsg
= "unlinked asynchronuously";
426 errmsg
= "Buffer error (overrun)";
429 errmsg
= "Stalled (device not responding)";
432 errmsg
= "Babble (bad cable?)";
435 errmsg
= "Bit-stuff error (bad cable?)";
438 errmsg
= "CRC/Timeout (could be anything)";
441 errmsg
= "Device does not respond";
445 dprintk(dev
, V4L2_DEBUG_QUEUE
, "URB status %d [%s].\n",
448 dprintk(dev
, V4L2_DEBUG_QUEUE
, "URB packet %d, status %d [%s].\n",
449 packet
, status
, errmsg
);
455 * Controls the isoc copy of each urb packet
457 static inline int tm6000_isoc_copy(struct urb
*urb
)
459 struct tm6000_dmaqueue
*dma_q
= urb
->context
;
460 struct tm6000_core
*dev
= container_of(dma_q
, struct tm6000_core
, vidq
);
461 int i
, len
= 0, rc
= 1, status
;
464 if (urb
->status
< 0) {
465 print_err_status(dev
, -1, urb
->status
);
469 for (i
= 0; i
< urb
->number_of_packets
; i
++) {
470 status
= urb
->iso_frame_desc
[i
].status
;
473 print_err_status(dev
, i
, status
);
477 len
= urb
->iso_frame_desc
[i
].actual_length
;
480 p
= urb
->transfer_buffer
+ urb
->iso_frame_desc
[i
].offset
;
481 if (!urb
->iso_frame_desc
[i
].status
) {
482 if ((dev
->fourcc
) == V4L2_PIX_FMT_TM6000
) {
483 rc
= copy_multiplexed(p
, len
, urb
);
487 copy_streams(p
, len
, urb
);
495 /* ------------------------------------------------------------------
497 * ------------------------------------------------------------------
501 * IRQ callback, called by URB callback
503 static void tm6000_irq_callback(struct urb
*urb
)
505 struct tm6000_dmaqueue
*dma_q
= urb
->context
;
506 struct tm6000_core
*dev
= container_of(dma_q
, struct tm6000_core
, vidq
);
509 switch (urb
->status
) {
520 tm6000_err("urb completion error %d.\n", urb
->status
);
524 spin_lock(&dev
->slock
);
525 tm6000_isoc_copy(urb
);
526 spin_unlock(&dev
->slock
);
528 /* Reset urb buffers */
529 for (i
= 0; i
< urb
->number_of_packets
; i
++) {
530 urb
->iso_frame_desc
[i
].status
= 0;
531 urb
->iso_frame_desc
[i
].actual_length
= 0;
534 urb
->status
= usb_submit_urb(urb
, GFP_ATOMIC
);
536 tm6000_err("urb resubmit failed (error=%i)\n",
541 * Stop and Deallocate URBs
543 static void tm6000_uninit_isoc(struct tm6000_core
*dev
)
548 dev
->isoc_ctl
.buf
= NULL
;
549 for (i
= 0; i
< dev
->isoc_ctl
.num_bufs
; i
++) {
550 urb
= dev
->isoc_ctl
.urb
[i
];
554 if (dev
->isoc_ctl
.transfer_buffer
[i
]) {
555 usb_free_coherent(dev
->udev
,
556 urb
->transfer_buffer_length
,
557 dev
->isoc_ctl
.transfer_buffer
[i
],
561 dev
->isoc_ctl
.urb
[i
] = NULL
;
563 dev
->isoc_ctl
.transfer_buffer
[i
] = NULL
;
566 kfree(dev
->isoc_ctl
.urb
);
567 kfree(dev
->isoc_ctl
.transfer_buffer
);
569 dev
->isoc_ctl
.urb
= NULL
;
570 dev
->isoc_ctl
.transfer_buffer
= NULL
;
571 dev
->isoc_ctl
.num_bufs
= 0;
575 * Allocate URBs and start IRQ
577 static int tm6000_prepare_isoc(struct tm6000_core
*dev
)
579 struct tm6000_dmaqueue
*dma_q
= &dev
->vidq
;
580 int i
, j
, sb_size
, pipe
, size
, max_packets
, num_bufs
= 8;
583 /* De-allocates all pending stuff */
584 tm6000_uninit_isoc(dev
);
585 /* Stop interrupt USB pipe */
586 tm6000_ir_int_stop(dev
);
588 usb_set_interface(dev
->udev
,
589 dev
->isoc_in
.bInterfaceNumber
,
590 dev
->isoc_in
.bAlternateSetting
);
592 /* Start interrupt USB pipe */
593 tm6000_ir_int_start(dev
);
595 pipe
= usb_rcvisocpipe(dev
->udev
,
596 dev
->isoc_in
.endp
->desc
.bEndpointAddress
&
597 USB_ENDPOINT_NUMBER_MASK
);
599 size
= usb_maxpacket(dev
->udev
, pipe
, usb_pipeout(pipe
));
601 if (size
> dev
->isoc_in
.maxsize
)
602 size
= dev
->isoc_in
.maxsize
;
604 dev
->isoc_ctl
.max_pkt_size
= size
;
606 max_packets
= TM6000_MAX_ISO_PACKETS
;
607 sb_size
= max_packets
* size
;
609 dev
->isoc_ctl
.num_bufs
= num_bufs
;
611 dev
->isoc_ctl
.urb
= kmalloc(sizeof(void *)*num_bufs
, GFP_KERNEL
);
612 if (!dev
->isoc_ctl
.urb
) {
613 tm6000_err("cannot alloc memory for usb buffers\n");
617 dev
->isoc_ctl
.transfer_buffer
= kmalloc(sizeof(void *)*num_bufs
,
619 if (!dev
->isoc_ctl
.transfer_buffer
) {
620 tm6000_err("cannot allocate memory for usbtransfer\n");
621 kfree(dev
->isoc_ctl
.urb
);
625 dprintk(dev
, V4L2_DEBUG_QUEUE
, "Allocating %d x %d packets"
626 " (%d bytes) of %d bytes each to handle %u size\n",
627 max_packets
, num_bufs
, sb_size
,
628 dev
->isoc_in
.maxsize
, size
);
630 /* allocate urbs and transfer buffers */
631 for (i
= 0; i
< dev
->isoc_ctl
.num_bufs
; i
++) {
632 urb
= usb_alloc_urb(max_packets
, GFP_KERNEL
);
634 tm6000_err("cannot alloc isoc_ctl.urb %i\n", i
);
635 tm6000_uninit_isoc(dev
);
639 dev
->isoc_ctl
.urb
[i
] = urb
;
641 dev
->isoc_ctl
.transfer_buffer
[i
] = usb_alloc_coherent(dev
->udev
,
642 sb_size
, GFP_KERNEL
, &urb
->transfer_dma
);
643 if (!dev
->isoc_ctl
.transfer_buffer
[i
]) {
644 tm6000_err("unable to allocate %i bytes for transfer"
647 in_interrupt() ? " while in int" : "");
648 tm6000_uninit_isoc(dev
);
651 memset(dev
->isoc_ctl
.transfer_buffer
[i
], 0, sb_size
);
653 usb_fill_bulk_urb(urb
, dev
->udev
, pipe
,
654 dev
->isoc_ctl
.transfer_buffer
[i
], sb_size
,
655 tm6000_irq_callback
, dma_q
);
656 urb
->interval
= dev
->isoc_in
.endp
->desc
.bInterval
;
657 urb
->number_of_packets
= max_packets
;
658 urb
->transfer_flags
= URB_ISO_ASAP
| URB_NO_TRANSFER_DMA_MAP
;
660 for (j
= 0; j
< max_packets
; j
++) {
661 urb
->iso_frame_desc
[j
].offset
= size
* j
;
662 urb
->iso_frame_desc
[j
].length
= size
;
669 static int tm6000_start_thread(struct tm6000_core
*dev
)
671 struct tm6000_dmaqueue
*dma_q
= &dev
->vidq
;
675 dma_q
->ini_jiffies
= jiffies
;
677 init_waitqueue_head(&dma_q
->wq
);
679 /* submit urbs and enables IRQ */
680 for (i
= 0; i
< dev
->isoc_ctl
.num_bufs
; i
++) {
681 int rc
= usb_submit_urb(dev
->isoc_ctl
.urb
[i
], GFP_ATOMIC
);
683 tm6000_err("submit of urb %i failed (error=%i)\n", i
,
685 tm6000_uninit_isoc(dev
);
693 /* ------------------------------------------------------------------
694 * Videobuf operations
695 * ------------------------------------------------------------------
699 buffer_setup(struct videobuf_queue
*vq
, unsigned int *count
, unsigned int *size
)
701 struct tm6000_fh
*fh
= vq
->priv_data
;
703 *size
= fh
->fmt
->depth
* fh
->width
* fh
->height
>> 3;
705 *count
= TM6000_DEF_BUF
;
707 if (*count
< TM6000_MIN_BUF
)
708 *count
= TM6000_MIN_BUF
;
710 while (*size
* *count
> vid_limit
* 1024 * 1024)
716 static void free_buffer(struct videobuf_queue
*vq
, struct tm6000_buffer
*buf
)
718 struct tm6000_fh
*fh
= vq
->priv_data
;
719 struct tm6000_core
*dev
= fh
->dev
;
725 /* We used to wait for the buffer to finish here, but this didn't work
726 because, as we were keeping the state as VIDEOBUF_QUEUED,
727 videobuf_queue_cancel marked it as finished for us.
728 (Also, it could wedge forever if the hardware was misconfigured.)
730 This should be safe; by the time we get here, the buffer isn't
731 queued anymore. If we ever start marking the buffers as
732 VIDEOBUF_ACTIVE, it won't be, though.
734 spin_lock_irqsave(&dev
->slock
, flags
);
735 if (dev
->isoc_ctl
.buf
== buf
)
736 dev
->isoc_ctl
.buf
= NULL
;
737 spin_unlock_irqrestore(&dev
->slock
, flags
);
739 videobuf_vmalloc_free(&buf
->vb
);
740 buf
->vb
.state
= VIDEOBUF_NEEDS_INIT
;
744 buffer_prepare(struct videobuf_queue
*vq
, struct videobuf_buffer
*vb
,
745 enum v4l2_field field
)
747 struct tm6000_fh
*fh
= vq
->priv_data
;
748 struct tm6000_buffer
*buf
= container_of(vb
, struct tm6000_buffer
, vb
);
749 struct tm6000_core
*dev
= fh
->dev
;
752 BUG_ON(NULL
== fh
->fmt
);
755 /* FIXME: It assumes depth=2 */
756 /* The only currently supported format is 16 bits/pixel */
757 buf
->vb
.size
= fh
->fmt
->depth
*fh
->width
*fh
->height
>> 3;
758 if (0 != buf
->vb
.baddr
&& buf
->vb
.bsize
< buf
->vb
.size
)
761 if (buf
->fmt
!= fh
->fmt
||
762 buf
->vb
.width
!= fh
->width
||
763 buf
->vb
.height
!= fh
->height
||
764 buf
->vb
.field
!= field
) {
766 buf
->vb
.width
= fh
->width
;
767 buf
->vb
.height
= fh
->height
;
768 buf
->vb
.field
= field
;
769 buf
->vb
.state
= VIDEOBUF_NEEDS_INIT
;
772 if (VIDEOBUF_NEEDS_INIT
== buf
->vb
.state
) {
773 rc
= videobuf_iolock(vq
, &buf
->vb
, NULL
);
778 if (!dev
->isoc_ctl
.num_bufs
) {
779 rc
= tm6000_prepare_isoc(dev
);
783 rc
= tm6000_start_thread(dev
);
789 buf
->vb
.state
= VIDEOBUF_PREPARED
;
793 free_buffer(vq
, buf
);
798 buffer_queue(struct videobuf_queue
*vq
, struct videobuf_buffer
*vb
)
800 struct tm6000_buffer
*buf
= container_of(vb
, struct tm6000_buffer
, vb
);
801 struct tm6000_fh
*fh
= vq
->priv_data
;
802 struct tm6000_core
*dev
= fh
->dev
;
803 struct tm6000_dmaqueue
*vidq
= &dev
->vidq
;
805 buf
->vb
.state
= VIDEOBUF_QUEUED
;
806 list_add_tail(&buf
->vb
.queue
, &vidq
->active
);
809 static void buffer_release(struct videobuf_queue
*vq
, struct videobuf_buffer
*vb
)
811 struct tm6000_buffer
*buf
= container_of(vb
, struct tm6000_buffer
, vb
);
813 free_buffer(vq
, buf
);
816 static struct videobuf_queue_ops tm6000_video_qops
= {
817 .buf_setup
= buffer_setup
,
818 .buf_prepare
= buffer_prepare
,
819 .buf_queue
= buffer_queue
,
820 .buf_release
= buffer_release
,
823 /* ------------------------------------------------------------------
825 * ------------------------------------------------------------------
828 static bool is_res_read(struct tm6000_core
*dev
, struct tm6000_fh
*fh
)
830 /* Is the current fh handling it? if so, that's OK */
831 if (dev
->resources
== fh
&& dev
->is_res_read
)
837 static bool is_res_streaming(struct tm6000_core
*dev
, struct tm6000_fh
*fh
)
839 /* Is the current fh handling it? if so, that's OK */
840 if (dev
->resources
== fh
)
846 static bool res_get(struct tm6000_core
*dev
, struct tm6000_fh
*fh
,
849 /* Is the current fh handling it? if so, that's OK */
850 if (dev
->resources
== fh
&& dev
->is_res_read
== is_res_read
)
859 dev
->is_res_read
= is_res_read
;
860 dprintk(dev
, V4L2_DEBUG_RES_LOCK
, "res: get\n");
864 static void res_free(struct tm6000_core
*dev
, struct tm6000_fh
*fh
)
866 /* Is the current fh handling it? if so, that's OK */
867 if (dev
->resources
!= fh
)
870 dev
->resources
= NULL
;
871 dprintk(dev
, V4L2_DEBUG_RES_LOCK
, "res: put\n");
874 /* ------------------------------------------------------------------
875 * IOCTL vidioc handling
876 * ------------------------------------------------------------------
878 static int vidioc_querycap(struct file
*file
, void *priv
,
879 struct v4l2_capability
*cap
)
881 struct tm6000_core
*dev
= ((struct tm6000_fh
*)priv
)->dev
;
883 strlcpy(cap
->driver
, "tm6000", sizeof(cap
->driver
));
884 strlcpy(cap
->card
, "Trident TVMaster TM5600/6000/6010", sizeof(cap
->card
));
885 cap
->capabilities
= V4L2_CAP_VIDEO_CAPTURE
|
890 if (dev
->tuner_type
!= TUNER_ABSENT
)
891 cap
->capabilities
|= V4L2_CAP_TUNER
;
896 static int vidioc_enum_fmt_vid_cap(struct file
*file
, void *priv
,
897 struct v4l2_fmtdesc
*f
)
899 if (unlikely(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
.bytesperline
=
917 (f
->fmt
.pix
.width
* fh
->fmt
->depth
) >> 3;
918 f
->fmt
.pix
.sizeimage
=
919 f
->fmt
.pix
.height
* f
->fmt
.pix
.bytesperline
;
924 static struct tm6000_fmt
*format_by_fourcc(unsigned int fourcc
)
928 for (i
= 0; i
< ARRAY_SIZE(format
); i
++)
929 if (format
[i
].fourcc
== fourcc
)
934 static int vidioc_try_fmt_vid_cap(struct file
*file
, void *priv
,
935 struct v4l2_format
*f
)
937 struct tm6000_core
*dev
= ((struct tm6000_fh
*)priv
)->dev
;
938 struct tm6000_fmt
*fmt
;
939 enum v4l2_field field
;
941 fmt
= format_by_fourcc(f
->fmt
.pix
.pixelformat
);
943 dprintk(dev
, V4L2_DEBUG_IOCTL_ARG
, "Fourcc format (0x%08x)"
944 " invalid.\n", f
->fmt
.pix
.pixelformat
);
948 field
= f
->fmt
.pix
.field
;
950 if (field
== V4L2_FIELD_ANY
)
951 field
= V4L2_FIELD_SEQ_TB
;
952 else if (V4L2_FIELD_INTERLACED
!= field
) {
953 dprintk(dev
, V4L2_DEBUG_IOCTL_ARG
, "Field type invalid.\n");
957 tm6000_get_std_res(dev
);
959 f
->fmt
.pix
.width
= dev
->width
;
960 f
->fmt
.pix
.height
= dev
->height
;
962 f
->fmt
.pix
.width
&= ~0x01;
964 f
->fmt
.pix
.field
= field
;
966 f
->fmt
.pix
.bytesperline
=
967 (f
->fmt
.pix
.width
* fmt
->depth
) >> 3;
968 f
->fmt
.pix
.sizeimage
=
969 f
->fmt
.pix
.height
* f
->fmt
.pix
.bytesperline
;
974 /*FIXME: This seems to be generic enough to be at videodev2 */
975 static int vidioc_s_fmt_vid_cap(struct file
*file
, void *priv
,
976 struct v4l2_format
*f
)
978 struct tm6000_fh
*fh
= priv
;
979 struct tm6000_core
*dev
= fh
->dev
;
980 int ret
= vidioc_try_fmt_vid_cap(file
, fh
, f
);
984 fh
->fmt
= format_by_fourcc(f
->fmt
.pix
.pixelformat
);
985 fh
->width
= f
->fmt
.pix
.width
;
986 fh
->height
= f
->fmt
.pix
.height
;
987 fh
->vb_vidq
.field
= f
->fmt
.pix
.field
;
990 dev
->fourcc
= f
->fmt
.pix
.pixelformat
;
992 tm6000_set_fourcc_format(dev
);
997 static int vidioc_reqbufs(struct file
*file
, void *priv
,
998 struct v4l2_requestbuffers
*p
)
1000 struct tm6000_fh
*fh
= priv
;
1002 return videobuf_reqbufs(&fh
->vb_vidq
, p
);
1005 static int vidioc_querybuf(struct file
*file
, void *priv
,
1006 struct v4l2_buffer
*p
)
1008 struct tm6000_fh
*fh
= priv
;
1010 return videobuf_querybuf(&fh
->vb_vidq
, p
);
1013 static int vidioc_qbuf(struct file
*file
, void *priv
, struct v4l2_buffer
*p
)
1015 struct tm6000_fh
*fh
= priv
;
1017 return videobuf_qbuf(&fh
->vb_vidq
, p
);
1020 static int vidioc_dqbuf(struct file
*file
, void *priv
, struct v4l2_buffer
*p
)
1022 struct tm6000_fh
*fh
= priv
;
1024 return videobuf_dqbuf(&fh
->vb_vidq
, p
,
1025 file
->f_flags
& O_NONBLOCK
);
1028 static int vidioc_streamon(struct file
*file
, void *priv
, enum v4l2_buf_type i
)
1030 struct tm6000_fh
*fh
= priv
;
1031 struct tm6000_core
*dev
= fh
->dev
;
1033 if (fh
->type
!= V4L2_BUF_TYPE_VIDEO_CAPTURE
)
1038 if (!res_get(dev
, fh
, false))
1040 return videobuf_streamon(&fh
->vb_vidq
);
1043 static int vidioc_streamoff(struct file
*file
, void *priv
, enum v4l2_buf_type i
)
1045 struct tm6000_fh
*fh
= priv
;
1046 struct tm6000_core
*dev
= fh
->dev
;
1048 if (fh
->type
!= V4L2_BUF_TYPE_VIDEO_CAPTURE
)
1054 videobuf_streamoff(&fh
->vb_vidq
);
1060 static int vidioc_s_std(struct file
*file
, void *priv
, v4l2_std_id
*norm
)
1063 struct tm6000_fh
*fh
= priv
;
1064 struct tm6000_core
*dev
= fh
->dev
;
1067 rc
= tm6000_init_analog_mode(dev
);
1069 fh
->width
= dev
->width
;
1070 fh
->height
= dev
->height
;
1075 v4l2_device_call_all(&dev
->v4l2_dev
, 0, core
, s_std
, dev
->norm
);
1080 static const char *iname
[] = {
1081 [TM6000_INPUT_TV
] = "Television",
1082 [TM6000_INPUT_COMPOSITE1
] = "Composite 1",
1083 [TM6000_INPUT_COMPOSITE2
] = "Composite 2",
1084 [TM6000_INPUT_SVIDEO
] = "S-Video",
1087 static int vidioc_enum_input(struct file
*file
, void *priv
,
1088 struct v4l2_input
*i
)
1090 struct tm6000_fh
*fh
= priv
;
1091 struct tm6000_core
*dev
= fh
->dev
;
1098 if (!dev
->vinput
[n
].type
)
1103 if (dev
->vinput
[n
].type
== TM6000_INPUT_TV
)
1104 i
->type
= V4L2_INPUT_TYPE_TUNER
;
1106 i
->type
= V4L2_INPUT_TYPE_CAMERA
;
1108 strcpy(i
->name
, iname
[dev
->vinput
[n
].type
]);
1110 i
->std
= TM6000_STD
;
1115 static int vidioc_g_input(struct file
*file
, void *priv
, unsigned int *i
)
1117 struct tm6000_fh
*fh
= priv
;
1118 struct tm6000_core
*dev
= fh
->dev
;
1125 static int vidioc_s_input(struct file
*file
, void *priv
, unsigned int i
)
1127 struct tm6000_fh
*fh
= priv
;
1128 struct tm6000_core
*dev
= fh
->dev
;
1133 if (!dev
->vinput
[i
].type
)
1138 rc
= vidioc_s_std(file
, priv
, &dev
->vfd
->current_norm
);
1143 /* --- controls ---------------------------------------------- */
1144 static int vidioc_queryctrl(struct file
*file
, void *priv
,
1145 struct v4l2_queryctrl
*qc
)
1149 for (i
= 0; i
< ARRAY_SIZE(tm6000_qctrl
); i
++)
1150 if (qc
->id
&& qc
->id
== tm6000_qctrl
[i
].id
) {
1151 memcpy(qc
, &(tm6000_qctrl
[i
]),
1159 static int vidioc_g_ctrl(struct file
*file
, void *priv
,
1160 struct v4l2_control
*ctrl
)
1162 struct tm6000_fh
*fh
= priv
;
1163 struct tm6000_core
*dev
= fh
->dev
;
1166 /* FIXME: Probably, those won't work! Maybe we need shadow regs */
1168 case V4L2_CID_CONTRAST
:
1169 val
= tm6000_get_reg(dev
, TM6010_REQ07_R08_LUMA_CONTRAST_ADJ
, 0);
1171 case V4L2_CID_BRIGHTNESS
:
1172 val
= tm6000_get_reg(dev
, TM6010_REQ07_R09_LUMA_BRIGHTNESS_ADJ
, 0);
1174 case V4L2_CID_SATURATION
:
1175 val
= tm6000_get_reg(dev
, TM6010_REQ07_R0A_CHROMA_SATURATION_ADJ
, 0);
1178 val
= tm6000_get_reg(dev
, TM6010_REQ07_R0B_CHROMA_HUE_PHASE_ADJ
, 0);
1180 case V4L2_CID_AUDIO_MUTE
:
1181 val
= dev
->ctl_mute
;
1183 case V4L2_CID_AUDIO_VOLUME
:
1184 val
= dev
->ctl_volume
;
1197 static int vidioc_s_ctrl(struct file
*file
, void *priv
,
1198 struct v4l2_control
*ctrl
)
1200 struct tm6000_fh
*fh
= priv
;
1201 struct tm6000_core
*dev
= fh
->dev
;
1202 u8 val
= ctrl
->value
;
1205 case V4L2_CID_CONTRAST
:
1206 tm6000_set_reg(dev
, TM6010_REQ07_R08_LUMA_CONTRAST_ADJ
, val
);
1208 case V4L2_CID_BRIGHTNESS
:
1209 tm6000_set_reg(dev
, TM6010_REQ07_R09_LUMA_BRIGHTNESS_ADJ
, val
);
1211 case V4L2_CID_SATURATION
:
1212 tm6000_set_reg(dev
, TM6010_REQ07_R0A_CHROMA_SATURATION_ADJ
, val
);
1215 tm6000_set_reg(dev
, TM6010_REQ07_R0B_CHROMA_HUE_PHASE_ADJ
, val
);
1217 case V4L2_CID_AUDIO_MUTE
:
1218 dev
->ctl_mute
= val
;
1219 tm6000_tvaudio_set_mute(dev
, val
);
1221 case V4L2_CID_AUDIO_VOLUME
:
1222 dev
->ctl_volume
= val
;
1223 tm6000_set_volume(dev
, val
);
1229 static int vidioc_g_tuner(struct file
*file
, void *priv
,
1230 struct v4l2_tuner
*t
)
1232 struct tm6000_fh
*fh
= priv
;
1233 struct tm6000_core
*dev
= fh
->dev
;
1235 if (unlikely(UNSET
== dev
->tuner_type
))
1240 strcpy(t
->name
, "Television");
1241 t
->type
= V4L2_TUNER_ANALOG_TV
;
1242 t
->capability
= V4L2_TUNER_CAP_NORM
;
1243 t
->rangehigh
= 0xffffffffUL
;
1244 t
->rxsubchans
= V4L2_TUNER_SUB_STEREO
;
1246 v4l2_device_call_all(&dev
->v4l2_dev
, 0, tuner
, g_tuner
, t
);
1248 t
->audmode
= dev
->amode
;
1253 static int vidioc_s_tuner(struct file
*file
, void *priv
,
1254 struct v4l2_tuner
*t
)
1256 struct tm6000_fh
*fh
= priv
;
1257 struct tm6000_core
*dev
= fh
->dev
;
1259 if (UNSET
== dev
->tuner_type
)
1264 dev
->amode
= t
->audmode
;
1265 dprintk(dev
, 3, "audio mode: %x\n", t
->audmode
);
1267 v4l2_device_call_all(&dev
->v4l2_dev
, 0, tuner
, s_tuner
, t
);
1272 static int vidioc_g_frequency(struct file
*file
, void *priv
,
1273 struct v4l2_frequency
*f
)
1275 struct tm6000_fh
*fh
= priv
;
1276 struct tm6000_core
*dev
= fh
->dev
;
1278 if (unlikely(UNSET
== dev
->tuner_type
))
1281 f
->type
= fh
->radio
? V4L2_TUNER_RADIO
: V4L2_TUNER_ANALOG_TV
;
1282 f
->frequency
= dev
->freq
;
1284 v4l2_device_call_all(&dev
->v4l2_dev
, 0, tuner
, g_frequency
, f
);
1289 static int vidioc_s_frequency(struct file
*file
, void *priv
,
1290 struct v4l2_frequency
*f
)
1292 struct tm6000_fh
*fh
= priv
;
1293 struct tm6000_core
*dev
= fh
->dev
;
1295 if (unlikely(UNSET
== dev
->tuner_type
))
1297 if (unlikely(f
->tuner
!= 0))
1299 if (0 == fh
->radio
&& V4L2_TUNER_ANALOG_TV
!= f
->type
)
1301 if (1 == fh
->radio
&& V4L2_TUNER_RADIO
!= f
->type
)
1304 dev
->freq
= f
->frequency
;
1305 v4l2_device_call_all(&dev
->v4l2_dev
, 0, tuner
, s_frequency
, f
);
1310 static int radio_querycap(struct file
*file
, void *priv
,
1311 struct v4l2_capability
*cap
)
1313 struct tm6000_fh
*fh
= file
->private_data
;
1314 struct tm6000_core
*dev
= fh
->dev
;
1316 strcpy(cap
->driver
, "tm6000");
1317 strlcpy(cap
->card
, dev
->name
, sizeof(dev
->name
));
1318 sprintf(cap
->bus_info
, "USB%04x:%04x",
1319 le16_to_cpu(dev
->udev
->descriptor
.idVendor
),
1320 le16_to_cpu(dev
->udev
->descriptor
.idProduct
));
1321 cap
->version
= dev
->dev_type
;
1322 cap
->capabilities
= V4L2_CAP_TUNER
|
1325 V4L2_CAP_READWRITE
|
1331 static int radio_g_tuner(struct file
*file
, void *priv
,
1332 struct v4l2_tuner
*t
)
1334 struct tm6000_fh
*fh
= file
->private_data
;
1335 struct tm6000_core
*dev
= fh
->dev
;
1340 memset(t
, 0, sizeof(*t
));
1341 strcpy(t
->name
, "Radio");
1342 t
->type
= V4L2_TUNER_RADIO
;
1343 t
->rxsubchans
= V4L2_TUNER_SUB_STEREO
;
1345 v4l2_device_call_all(&dev
->v4l2_dev
, 0, tuner
, g_tuner
, t
);
1350 static int radio_s_tuner(struct file
*file
, void *priv
,
1351 struct v4l2_tuner
*t
)
1353 struct tm6000_fh
*fh
= file
->private_data
;
1354 struct tm6000_core
*dev
= fh
->dev
;
1359 v4l2_device_call_all(&dev
->v4l2_dev
, 0, tuner
, s_tuner
, t
);
1364 static int radio_enum_input(struct file
*file
, void *priv
,
1365 struct v4l2_input
*i
)
1367 struct tm6000_fh
*fh
= priv
;
1368 struct tm6000_core
*dev
= fh
->dev
;
1373 if (!dev
->rinput
.type
)
1376 strcpy(i
->name
, "Radio");
1377 i
->type
= V4L2_INPUT_TYPE_TUNER
;
1382 static int radio_g_input(struct file
*filp
, void *priv
, unsigned int *i
)
1384 struct tm6000_fh
*fh
= priv
;
1385 struct tm6000_core
*dev
= fh
->dev
;
1387 if (dev
->input
!= 5)
1390 *i
= dev
->input
- 5;
1395 static int radio_g_audio(struct file
*file
, void *priv
,
1396 struct v4l2_audio
*a
)
1398 memset(a
, 0, sizeof(*a
));
1399 strcpy(a
->name
, "Radio");
1403 static int radio_s_audio(struct file
*file
, void *priv
,
1404 const struct v4l2_audio
*a
)
1409 static int radio_s_input(struct file
*filp
, void *priv
, unsigned int i
)
1411 struct tm6000_fh
*fh
= priv
;
1412 struct tm6000_core
*dev
= fh
->dev
;
1417 if (!dev
->rinput
.type
)
1425 static int radio_s_std(struct file
*file
, void *fh
, v4l2_std_id
*norm
)
1430 static int radio_queryctrl(struct file
*file
, void *priv
,
1431 struct v4l2_queryctrl
*c
)
1433 const struct v4l2_queryctrl
*ctrl
;
1435 if (c
->id
< V4L2_CID_BASE
||
1436 c
->id
>= V4L2_CID_LASTP1
)
1438 if (c
->id
== V4L2_CID_AUDIO_MUTE
) {
1439 ctrl
= ctrl_by_id(c
->id
);
1447 /* ------------------------------------------------------------------
1448 File operations for the device
1449 ------------------------------------------------------------------*/
1451 static int __tm6000_open(struct file
*file
)
1453 struct video_device
*vdev
= video_devdata(file
);
1454 struct tm6000_core
*dev
= video_drvdata(file
);
1455 struct tm6000_fh
*fh
;
1456 enum v4l2_buf_type type
= V4L2_BUF_TYPE_VIDEO_CAPTURE
;
1460 dprintk(dev
, V4L2_DEBUG_OPEN
, "tm6000: open called (dev=%s)\n",
1461 video_device_node_name(vdev
));
1463 switch (vdev
->vfl_type
) {
1464 case VFL_TYPE_GRABBER
:
1465 type
= V4L2_BUF_TYPE_VIDEO_CAPTURE
;
1468 type
= V4L2_BUF_TYPE_VBI_CAPTURE
;
1470 case VFL_TYPE_RADIO
:
1475 /* If more than one user, mutex should be added */
1478 dprintk(dev
, V4L2_DEBUG_OPEN
, "open dev=%s type=%s users=%d\n",
1479 video_device_node_name(vdev
), v4l2_type_names
[type
],
1482 /* allocate + initialize per filehandle data */
1483 fh
= kzalloc(sizeof(*fh
), GFP_KERNEL
);
1489 file
->private_data
= fh
;
1494 dev
->fourcc
= format
[0].fourcc
;
1496 fh
->fmt
= format_by_fourcc(dev
->fourcc
);
1498 tm6000_get_std_res(dev
);
1500 fh
->width
= dev
->width
;
1501 fh
->height
= dev
->height
;
1503 dprintk(dev
, V4L2_DEBUG_OPEN
, "Open: fh=0x%08lx, dev=0x%08lx, "
1504 "dev->vidq=0x%08lx\n",
1505 (unsigned long)fh
, (unsigned long)dev
,
1506 (unsigned long)&dev
->vidq
);
1507 dprintk(dev
, V4L2_DEBUG_OPEN
, "Open: list_empty "
1508 "queued=%d\n", list_empty(&dev
->vidq
.queued
));
1509 dprintk(dev
, V4L2_DEBUG_OPEN
, "Open: list_empty "
1510 "active=%d\n", list_empty(&dev
->vidq
.active
));
1512 /* initialize hardware on analog mode */
1513 rc
= tm6000_init_analog_mode(dev
);
1517 if (dev
->mode
!= TM6000_MODE_ANALOG
) {
1518 /* Put all controls at a sane state */
1519 for (i
= 0; i
< ARRAY_SIZE(tm6000_qctrl
); i
++)
1520 qctl_regs
[i
] = tm6000_qctrl
[i
].default_value
;
1522 dev
->mode
= TM6000_MODE_ANALOG
;
1526 videobuf_queue_vmalloc_init(&fh
->vb_vidq
, &tm6000_video_qops
,
1529 V4L2_FIELD_INTERLACED
,
1530 sizeof(struct tm6000_buffer
), fh
, &dev
->lock
);
1532 dprintk(dev
, V4L2_DEBUG_OPEN
, "video_open: setting radio device\n");
1534 tm6000_set_audio_rinput(dev
);
1535 v4l2_device_call_all(&dev
->v4l2_dev
, 0, tuner
, s_radio
);
1536 tm6000_prepare_isoc(dev
);
1537 tm6000_start_thread(dev
);
1543 static int tm6000_open(struct file
*file
)
1545 struct video_device
*vdev
= video_devdata(file
);
1548 mutex_lock(vdev
->lock
);
1549 res
= __tm6000_open(file
);
1550 mutex_unlock(vdev
->lock
);
1555 tm6000_read(struct file
*file
, char __user
*data
, size_t count
, loff_t
*pos
)
1557 struct tm6000_fh
*fh
= file
->private_data
;
1558 struct tm6000_core
*dev
= fh
->dev
;
1560 if (fh
->type
== V4L2_BUF_TYPE_VIDEO_CAPTURE
) {
1563 if (!res_get(fh
->dev
, fh
, true))
1566 if (mutex_lock_interruptible(&dev
->lock
))
1567 return -ERESTARTSYS
;
1568 res
= videobuf_read_stream(&fh
->vb_vidq
, data
, count
, pos
, 0,
1569 file
->f_flags
& O_NONBLOCK
);
1570 mutex_unlock(&dev
->lock
);
1577 __tm6000_poll(struct file
*file
, struct poll_table_struct
*wait
)
1579 struct tm6000_fh
*fh
= file
->private_data
;
1580 struct tm6000_buffer
*buf
;
1582 if (V4L2_BUF_TYPE_VIDEO_CAPTURE
!= fh
->type
)
1585 if (!!is_res_streaming(fh
->dev
, fh
))
1588 if (!is_res_read(fh
->dev
, fh
)) {
1589 /* streaming capture */
1590 if (list_empty(&fh
->vb_vidq
.stream
))
1592 buf
= list_entry(fh
->vb_vidq
.stream
.next
, struct tm6000_buffer
, vb
.stream
);
1594 /* read() capture */
1595 return videobuf_poll_stream(file
, &fh
->vb_vidq
, wait
);
1597 poll_wait(file
, &buf
->vb
.done
, wait
);
1598 if (buf
->vb
.state
== VIDEOBUF_DONE
||
1599 buf
->vb
.state
== VIDEOBUF_ERROR
)
1600 return POLLIN
| POLLRDNORM
;
1604 static unsigned int tm6000_poll(struct file
*file
, struct poll_table_struct
*wait
)
1606 struct tm6000_fh
*fh
= file
->private_data
;
1607 struct tm6000_core
*dev
= fh
->dev
;
1610 mutex_lock(&dev
->lock
);
1611 res
= __tm6000_poll(file
, wait
);
1612 mutex_unlock(&dev
->lock
);
1616 static int tm6000_release(struct file
*file
)
1618 struct tm6000_fh
*fh
= file
->private_data
;
1619 struct tm6000_core
*dev
= fh
->dev
;
1620 struct video_device
*vdev
= video_devdata(file
);
1622 dprintk(dev
, V4L2_DEBUG_OPEN
, "tm6000: close called (dev=%s, users=%d)\n",
1623 video_device_node_name(vdev
), dev
->users
);
1625 mutex_lock(&dev
->lock
);
1631 tm6000_uninit_isoc(dev
);
1633 /* Stop interrupt USB pipe */
1634 tm6000_ir_int_stop(dev
);
1636 usb_reset_configuration(dev
->udev
);
1638 if (dev
->int_in
.endp
)
1639 usb_set_interface(dev
->udev
,
1640 dev
->isoc_in
.bInterfaceNumber
, 2);
1642 usb_set_interface(dev
->udev
,
1643 dev
->isoc_in
.bInterfaceNumber
, 0);
1645 /* Start interrupt USB pipe */
1646 tm6000_ir_int_start(dev
);
1649 videobuf_mmap_free(&fh
->vb_vidq
);
1653 mutex_unlock(&dev
->lock
);
1658 static int tm6000_mmap(struct file
*file
, struct vm_area_struct
* vma
)
1660 struct tm6000_fh
*fh
= file
->private_data
;
1661 struct tm6000_core
*dev
= fh
->dev
;
1664 if (mutex_lock_interruptible(&dev
->lock
))
1665 return -ERESTARTSYS
;
1666 res
= videobuf_mmap_mapper(&fh
->vb_vidq
, vma
);
1667 mutex_unlock(&dev
->lock
);
1671 static struct v4l2_file_operations tm6000_fops
= {
1672 .owner
= THIS_MODULE
,
1673 .open
= tm6000_open
,
1674 .release
= tm6000_release
,
1675 .unlocked_ioctl
= video_ioctl2
, /* V4L2 ioctl handler */
1676 .read
= tm6000_read
,
1677 .poll
= tm6000_poll
,
1678 .mmap
= tm6000_mmap
,
1681 static const struct v4l2_ioctl_ops video_ioctl_ops
= {
1682 .vidioc_querycap
= vidioc_querycap
,
1683 .vidioc_enum_fmt_vid_cap
= vidioc_enum_fmt_vid_cap
,
1684 .vidioc_g_fmt_vid_cap
= vidioc_g_fmt_vid_cap
,
1685 .vidioc_try_fmt_vid_cap
= vidioc_try_fmt_vid_cap
,
1686 .vidioc_s_fmt_vid_cap
= vidioc_s_fmt_vid_cap
,
1687 .vidioc_s_std
= vidioc_s_std
,
1688 .vidioc_enum_input
= vidioc_enum_input
,
1689 .vidioc_g_input
= vidioc_g_input
,
1690 .vidioc_s_input
= vidioc_s_input
,
1691 .vidioc_queryctrl
= vidioc_queryctrl
,
1692 .vidioc_g_ctrl
= vidioc_g_ctrl
,
1693 .vidioc_s_ctrl
= vidioc_s_ctrl
,
1694 .vidioc_g_tuner
= vidioc_g_tuner
,
1695 .vidioc_s_tuner
= vidioc_s_tuner
,
1696 .vidioc_g_frequency
= vidioc_g_frequency
,
1697 .vidioc_s_frequency
= vidioc_s_frequency
,
1698 .vidioc_streamon
= vidioc_streamon
,
1699 .vidioc_streamoff
= vidioc_streamoff
,
1700 .vidioc_reqbufs
= vidioc_reqbufs
,
1701 .vidioc_querybuf
= vidioc_querybuf
,
1702 .vidioc_qbuf
= vidioc_qbuf
,
1703 .vidioc_dqbuf
= vidioc_dqbuf
,
1706 static struct video_device tm6000_template
= {
1708 .fops
= &tm6000_fops
,
1709 .ioctl_ops
= &video_ioctl_ops
,
1710 .release
= video_device_release
,
1711 .tvnorms
= TM6000_STD
,
1712 .current_norm
= V4L2_STD_NTSC_M
,
1715 static const struct v4l2_file_operations radio_fops
= {
1716 .owner
= THIS_MODULE
,
1717 .open
= tm6000_open
,
1718 .release
= tm6000_release
,
1719 .unlocked_ioctl
= video_ioctl2
,
1722 static const struct v4l2_ioctl_ops radio_ioctl_ops
= {
1723 .vidioc_querycap
= radio_querycap
,
1724 .vidioc_g_tuner
= radio_g_tuner
,
1725 .vidioc_enum_input
= radio_enum_input
,
1726 .vidioc_g_audio
= radio_g_audio
,
1727 .vidioc_s_tuner
= radio_s_tuner
,
1728 .vidioc_s_audio
= radio_s_audio
,
1729 .vidioc_s_input
= radio_s_input
,
1730 .vidioc_s_std
= radio_s_std
,
1731 .vidioc_queryctrl
= radio_queryctrl
,
1732 .vidioc_g_input
= radio_g_input
,
1733 .vidioc_g_ctrl
= vidioc_g_ctrl
,
1734 .vidioc_s_ctrl
= vidioc_s_ctrl
,
1735 .vidioc_g_frequency
= vidioc_g_frequency
,
1736 .vidioc_s_frequency
= vidioc_s_frequency
,
1739 static struct video_device tm6000_radio_template
= {
1741 .fops
= &radio_fops
,
1742 .ioctl_ops
= &radio_ioctl_ops
,
1745 /* -----------------------------------------------------------------
1746 * Initialization and module stuff
1747 * ------------------------------------------------------------------
1750 static struct video_device
*vdev_init(struct tm6000_core
*dev
,
1751 const struct video_device
1752 *template, const char *type_name
)
1754 struct video_device
*vfd
;
1756 vfd
= video_device_alloc();
1761 vfd
->v4l2_dev
= &dev
->v4l2_dev
;
1762 vfd
->release
= video_device_release
;
1763 vfd
->debug
= tm6000_debug
;
1764 vfd
->lock
= &dev
->lock
;
1766 snprintf(vfd
->name
, sizeof(vfd
->name
), "%s %s", dev
->name
, type_name
);
1768 video_set_drvdata(vfd
, dev
);
1772 int tm6000_v4l2_register(struct tm6000_core
*dev
)
1776 dev
->vfd
= vdev_init(dev
, &tm6000_template
, "video");
1779 printk(KERN_INFO
"%s: can't register video device\n",
1784 /* init video dma queues */
1785 INIT_LIST_HEAD(&dev
->vidq
.active
);
1786 INIT_LIST_HEAD(&dev
->vidq
.queued
);
1788 ret
= video_register_device(dev
->vfd
, VFL_TYPE_GRABBER
, video_nr
);
1791 printk(KERN_INFO
"%s: can't register video device\n",
1796 printk(KERN_INFO
"%s: registered device %s\n",
1797 dev
->name
, video_device_node_name(dev
->vfd
));
1799 if (dev
->caps
.has_radio
) {
1800 dev
->radio_dev
= vdev_init(dev
, &tm6000_radio_template
,
1802 if (!dev
->radio_dev
) {
1803 printk(KERN_INFO
"%s: can't register radio device\n",
1805 return ret
; /* FIXME release resource */
1808 ret
= video_register_device(dev
->radio_dev
, VFL_TYPE_RADIO
,
1811 printk(KERN_INFO
"%s: can't register radio device\n",
1813 return ret
; /* FIXME release resource */
1816 printk(KERN_INFO
"%s: registered device %s\n",
1817 dev
->name
, video_device_node_name(dev
->radio_dev
));
1820 printk(KERN_INFO
"Trident TVMaster TM5600/TM6000/TM6010 USB2 board (Load status: %d)\n", ret
);
1824 int tm6000_v4l2_unregister(struct tm6000_core
*dev
)
1826 video_unregister_device(dev
->vfd
);
1828 if (dev
->radio_dev
) {
1829 if (video_is_registered(dev
->radio_dev
))
1830 video_unregister_device(dev
->radio_dev
);
1832 video_device_release(dev
->radio_dev
);
1833 dev
->radio_dev
= NULL
;
1839 int tm6000_v4l2_exit(void)
1844 module_param(video_nr
, int, 0);
1845 MODULE_PARM_DESC(video_nr
, "Allow changing video device number");
1847 module_param_named(debug
, tm6000_debug
, int, 0444);
1848 MODULE_PARM_DESC(debug
, "activates debug info");
1850 module_param(vid_limit
, int, 0644);
1851 MODULE_PARM_DESC(vid_limit
, "capture memory limit in megabytes");