3 * device driver for Conexant 2388x based TV cards
4 * video4linux video interface
6 * (c) 2003-04 Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]
8 * (c) 2005-2006 Mauro Carvalho Chehab <mchehab@infradead.org>
10 * - video_ioctl2 conversion
13 * This program is free software; you can redistribute it and/or modify
14 * it under the terms of the GNU General Public License as published by
15 * the Free Software Foundation; either version 2 of the License, or
16 * (at your option) any later version.
18 * This program is distributed in the hope that it will be useful,
19 * but WITHOUT ANY WARRANTY; without even the implied warranty of
20 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
21 * GNU General Public License for more details.
23 * You should have received a copy of the GNU General Public License
24 * along with this program; if not, write to the Free Software
25 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
28 #include <linux/init.h>
29 #include <linux/list.h>
30 #include <linux/module.h>
31 #include <linux/moduleparam.h>
32 #include <linux/kmod.h>
33 #include <linux/kernel.h>
34 #include <linux/slab.h>
35 #include <linux/interrupt.h>
36 #include <linux/dma-mapping.h>
37 #include <linux/delay.h>
38 #include <linux/kthread.h>
39 #include <linux/dma-mapping.h>
40 #include <asm/div64.h>
43 #include <media/v4l2-common.h>
45 #ifdef CONFIG_VIDEO_V4L1_COMPAT
46 /* Include V4L1 specific functions. Should be removed soon */
47 #include <linux/videodev.h>
50 MODULE_DESCRIPTION("v4l2 driver module for cx2388x based TV cards");
51 MODULE_AUTHOR("Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]");
52 MODULE_LICENSE("GPL");
54 /* ------------------------------------------------------------------ */
56 static unsigned int video_nr
[] = {[0 ... (CX88_MAXBOARDS
- 1)] = UNSET
};
57 static unsigned int vbi_nr
[] = {[0 ... (CX88_MAXBOARDS
- 1)] = UNSET
};
58 static unsigned int radio_nr
[] = {[0 ... (CX88_MAXBOARDS
- 1)] = UNSET
};
60 module_param_array(video_nr
, int, NULL
, 0444);
61 module_param_array(vbi_nr
, int, NULL
, 0444);
62 module_param_array(radio_nr
, int, NULL
, 0444);
64 MODULE_PARM_DESC(video_nr
,"video device numbers");
65 MODULE_PARM_DESC(vbi_nr
,"vbi device numbers");
66 MODULE_PARM_DESC(radio_nr
,"radio device numbers");
68 static unsigned int video_debug
= 0;
69 module_param(video_debug
,int,0644);
70 MODULE_PARM_DESC(video_debug
,"enable debug messages [video]");
72 static unsigned int irq_debug
= 0;
73 module_param(irq_debug
,int,0644);
74 MODULE_PARM_DESC(irq_debug
,"enable debug messages [IRQ handler]");
76 static unsigned int vid_limit
= 16;
77 module_param(vid_limit
,int,0644);
78 MODULE_PARM_DESC(vid_limit
,"capture memory limit in megabytes");
80 #define dprintk(level,fmt, arg...) if (video_debug >= level) \
81 printk(KERN_DEBUG "%s/0: " fmt, core->name , ## arg)
83 /* ------------------------------------------------------------------ */
85 static LIST_HEAD(cx8800_devlist
);
87 /* ------------------------------------------------------------------- */
90 static struct cx8800_fmt formats
[] = {
92 .name
= "8 bpp, gray",
93 .fourcc
= V4L2_PIX_FMT_GREY
,
94 .cxformat
= ColorFormatY8
,
96 .flags
= FORMAT_FLAGS_PACKED
,
98 .name
= "15 bpp RGB, le",
99 .fourcc
= V4L2_PIX_FMT_RGB555
,
100 .cxformat
= ColorFormatRGB15
,
102 .flags
= FORMAT_FLAGS_PACKED
,
104 .name
= "15 bpp RGB, be",
105 .fourcc
= V4L2_PIX_FMT_RGB555X
,
106 .cxformat
= ColorFormatRGB15
| ColorFormatBSWAP
,
108 .flags
= FORMAT_FLAGS_PACKED
,
110 .name
= "16 bpp RGB, le",
111 .fourcc
= V4L2_PIX_FMT_RGB565
,
112 .cxformat
= ColorFormatRGB16
,
114 .flags
= FORMAT_FLAGS_PACKED
,
116 .name
= "16 bpp RGB, be",
117 .fourcc
= V4L2_PIX_FMT_RGB565X
,
118 .cxformat
= ColorFormatRGB16
| ColorFormatBSWAP
,
120 .flags
= FORMAT_FLAGS_PACKED
,
122 .name
= "24 bpp RGB, le",
123 .fourcc
= V4L2_PIX_FMT_BGR24
,
124 .cxformat
= ColorFormatRGB24
,
126 .flags
= FORMAT_FLAGS_PACKED
,
128 .name
= "32 bpp RGB, le",
129 .fourcc
= V4L2_PIX_FMT_BGR32
,
130 .cxformat
= ColorFormatRGB32
,
132 .flags
= FORMAT_FLAGS_PACKED
,
134 .name
= "32 bpp RGB, be",
135 .fourcc
= V4L2_PIX_FMT_RGB32
,
136 .cxformat
= ColorFormatRGB32
| ColorFormatBSWAP
| ColorFormatWSWAP
,
138 .flags
= FORMAT_FLAGS_PACKED
,
140 .name
= "4:2:2, packed, YUYV",
141 .fourcc
= V4L2_PIX_FMT_YUYV
,
142 .cxformat
= ColorFormatYUY2
,
144 .flags
= FORMAT_FLAGS_PACKED
,
146 .name
= "4:2:2, packed, UYVY",
147 .fourcc
= V4L2_PIX_FMT_UYVY
,
148 .cxformat
= ColorFormatYUY2
| ColorFormatBSWAP
,
150 .flags
= FORMAT_FLAGS_PACKED
,
154 static struct cx8800_fmt
* format_by_fourcc(unsigned int fourcc
)
158 for (i
= 0; i
< ARRAY_SIZE(formats
); i
++)
159 if (formats
[i
].fourcc
== fourcc
)
164 /* ------------------------------------------------------------------- */
166 static const struct v4l2_queryctrl no_ctl
= {
168 .flags
= V4L2_CTRL_FLAG_DISABLED
,
171 static struct cx88_ctrl cx8800_ctls
[] = {
175 .id
= V4L2_CID_BRIGHTNESS
,
176 .name
= "Brightness",
180 .default_value
= 0x7f,
181 .type
= V4L2_CTRL_TYPE_INTEGER
,
184 .reg
= MO_CONTR_BRIGHT
,
189 .id
= V4L2_CID_CONTRAST
,
194 .default_value
= 0x3f,
195 .type
= V4L2_CTRL_TYPE_INTEGER
,
198 .reg
= MO_CONTR_BRIGHT
,
208 .default_value
= 0x7f,
209 .type
= V4L2_CTRL_TYPE_INTEGER
,
216 /* strictly, this only describes only U saturation.
217 * V saturation is handled specially through code.
220 .id
= V4L2_CID_SATURATION
,
221 .name
= "Saturation",
225 .default_value
= 0x7f,
226 .type
= V4L2_CTRL_TYPE_INTEGER
,
229 .reg
= MO_UV_SATURATION
,
235 .id
= V4L2_CID_AUDIO_MUTE
,
240 .type
= V4L2_CTRL_TYPE_BOOLEAN
,
243 .sreg
= SHADOW_AUD_VOL_CTL
,
248 .id
= V4L2_CID_AUDIO_VOLUME
,
253 .default_value
= 0x3f,
254 .type
= V4L2_CTRL_TYPE_INTEGER
,
257 .sreg
= SHADOW_AUD_VOL_CTL
,
262 .id
= V4L2_CID_AUDIO_BALANCE
,
267 .default_value
= 0x40,
268 .type
= V4L2_CTRL_TYPE_INTEGER
,
271 .sreg
= SHADOW_AUD_BAL_CTL
,
276 static const int CX8800_CTLS
= ARRAY_SIZE(cx8800_ctls
);
278 const u32 cx88_user_ctrls
[] = {
284 V4L2_CID_AUDIO_VOLUME
,
285 V4L2_CID_AUDIO_BALANCE
,
289 EXPORT_SYMBOL(cx88_user_ctrls
);
291 static const u32
*ctrl_classes
[] = {
296 int cx8800_ctrl_query(struct v4l2_queryctrl
*qctrl
)
300 if (qctrl
->id
< V4L2_CID_BASE
||
301 qctrl
->id
>= V4L2_CID_LASTP1
)
303 for (i
= 0; i
< CX8800_CTLS
; i
++)
304 if (cx8800_ctls
[i
].v
.id
== qctrl
->id
)
306 if (i
== CX8800_CTLS
) {
310 *qctrl
= cx8800_ctls
[i
].v
;
313 EXPORT_SYMBOL(cx8800_ctrl_query
);
315 /* ------------------------------------------------------------------- */
316 /* resource management */
318 static int res_get(struct cx8800_dev
*dev
, struct cx8800_fh
*fh
, unsigned int bit
)
320 struct cx88_core
*core
= dev
->core
;
321 if (fh
->resources
& bit
)
322 /* have it already allocated */
326 mutex_lock(&core
->lock
);
327 if (dev
->resources
& bit
) {
328 /* no, someone else uses it */
329 mutex_unlock(&core
->lock
);
332 /* it's free, grab it */
333 fh
->resources
|= bit
;
334 dev
->resources
|= bit
;
335 dprintk(1,"res: get %d\n",bit
);
336 mutex_unlock(&core
->lock
);
341 int res_check(struct cx8800_fh
*fh
, unsigned int bit
)
343 return (fh
->resources
& bit
);
347 int res_locked(struct cx8800_dev
*dev
, unsigned int bit
)
349 return (dev
->resources
& bit
);
353 void res_free(struct cx8800_dev
*dev
, struct cx8800_fh
*fh
, unsigned int bits
)
355 struct cx88_core
*core
= dev
->core
;
356 BUG_ON((fh
->resources
& bits
) != bits
);
358 mutex_lock(&core
->lock
);
359 fh
->resources
&= ~bits
;
360 dev
->resources
&= ~bits
;
361 dprintk(1,"res: put %d\n",bits
);
362 mutex_unlock(&core
->lock
);
365 /* ------------------------------------------------------------------ */
367 int cx88_video_mux(struct cx88_core
*core
, unsigned int input
)
369 /* struct cx88_core *core = dev->core; */
371 dprintk(1,"video_mux: %d [vmux=%d,gpio=0x%x,0x%x,0x%x,0x%x]\n",
372 input
, INPUT(input
)->vmux
,
373 INPUT(input
)->gpio0
,INPUT(input
)->gpio1
,
374 INPUT(input
)->gpio2
,INPUT(input
)->gpio3
);
376 cx_andor(MO_INPUT_FORMAT
, 0x03 << 14, INPUT(input
)->vmux
<< 14);
377 cx_write(MO_GP3_IO
, INPUT(input
)->gpio3
);
378 cx_write(MO_GP0_IO
, INPUT(input
)->gpio0
);
379 cx_write(MO_GP1_IO
, INPUT(input
)->gpio1
);
380 cx_write(MO_GP2_IO
, INPUT(input
)->gpio2
);
382 switch (INPUT(input
)->type
) {
383 case CX88_VMUX_SVIDEO
:
384 cx_set(MO_AFECFG_IO
, 0x00000001);
385 cx_set(MO_INPUT_FORMAT
, 0x00010010);
386 cx_set(MO_FILTER_EVEN
, 0x00002020);
387 cx_set(MO_FILTER_ODD
, 0x00002020);
390 cx_clear(MO_AFECFG_IO
, 0x00000001);
391 cx_clear(MO_INPUT_FORMAT
, 0x00010010);
392 cx_clear(MO_FILTER_EVEN
, 0x00002020);
393 cx_clear(MO_FILTER_ODD
, 0x00002020);
397 if (cx88_boards
[core
->board
].mpeg
& CX88_MPEG_BLACKBIRD
) {
398 /* sets sound input from external adc */
399 if (INPUT(input
)->extadc
)
400 cx_set(AUD_CTL
, EN_I2SIN_ENABLE
);
402 cx_clear(AUD_CTL
, EN_I2SIN_ENABLE
);
406 EXPORT_SYMBOL(cx88_video_mux
);
408 /* ------------------------------------------------------------------ */
410 static int start_video_dma(struct cx8800_dev
*dev
,
411 struct cx88_dmaqueue
*q
,
412 struct cx88_buffer
*buf
)
414 struct cx88_core
*core
= dev
->core
;
416 /* setup fifo + format */
417 cx88_sram_channel_setup(core
, &cx88_sram_channels
[SRAM_CH21
],
418 buf
->bpl
, buf
->risc
.dma
);
419 cx88_set_scale(core
, buf
->vb
.width
, buf
->vb
.height
, buf
->vb
.field
);
420 cx_write(MO_COLOR_CTRL
, buf
->fmt
->cxformat
| ColorFormatGamma
);
423 cx_write(MO_VIDY_GPCNTRL
,GP_COUNT_CONTROL_RESET
);
427 cx_set(MO_PCI_INTMSK
, core
->pci_irqmask
| 0x01);
429 /* Enables corresponding bits at PCI_INT_STAT:
430 bits 0 to 4: video, audio, transport stream, VIP, Host
432 bits 8 and 9: DMA complete for: SRC, DST
433 bits 10 and 11: BERR signal asserted for RISC: RD, WR
434 bits 12 to 15: BERR signal asserted for: BRDG, SRC, DST, IPB
436 cx_set(MO_VID_INTMSK
, 0x0f0011);
439 cx_set(VID_CAPTURE_CONTROL
,0x06);
442 cx_set(MO_DEV_CNTRL2
, (1<<5));
443 cx_set(MO_VID_DMACNTRL
, 0x11); /* Planar Y and packed FIFO and RISC enable */
449 static int stop_video_dma(struct cx8800_dev
*dev
)
451 struct cx88_core
*core
= dev
->core
;
454 cx_clear(MO_VID_DMACNTRL
, 0x11);
456 /* disable capture */
457 cx_clear(VID_CAPTURE_CONTROL
,0x06);
460 cx_clear(MO_PCI_INTMSK
, 0x000001);
461 cx_clear(MO_VID_INTMSK
, 0x0f0011);
466 static int restart_video_queue(struct cx8800_dev
*dev
,
467 struct cx88_dmaqueue
*q
)
469 struct cx88_core
*core
= dev
->core
;
470 struct cx88_buffer
*buf
, *prev
;
471 struct list_head
*item
;
473 if (!list_empty(&q
->active
)) {
474 buf
= list_entry(q
->active
.next
, struct cx88_buffer
, vb
.queue
);
475 dprintk(2,"restart_queue [%p/%d]: restart dma\n",
477 start_video_dma(dev
, q
, buf
);
478 list_for_each(item
,&q
->active
) {
479 buf
= list_entry(item
, struct cx88_buffer
, vb
.queue
);
480 buf
->count
= q
->count
++;
482 mod_timer(&q
->timeout
, jiffies
+BUFFER_TIMEOUT
);
488 if (list_empty(&q
->queued
))
490 buf
= list_entry(q
->queued
.next
, struct cx88_buffer
, vb
.queue
);
492 list_move_tail(&buf
->vb
.queue
, &q
->active
);
493 start_video_dma(dev
, q
, buf
);
494 buf
->vb
.state
= STATE_ACTIVE
;
495 buf
->count
= q
->count
++;
496 mod_timer(&q
->timeout
, jiffies
+BUFFER_TIMEOUT
);
497 dprintk(2,"[%p/%d] restart_queue - first active\n",
500 } else if (prev
->vb
.width
== buf
->vb
.width
&&
501 prev
->vb
.height
== buf
->vb
.height
&&
502 prev
->fmt
== buf
->fmt
) {
503 list_move_tail(&buf
->vb
.queue
, &q
->active
);
504 buf
->vb
.state
= STATE_ACTIVE
;
505 buf
->count
= q
->count
++;
506 prev
->risc
.jmp
[1] = cpu_to_le32(buf
->risc
.dma
);
507 dprintk(2,"[%p/%d] restart_queue - move to active\n",
516 /* ------------------------------------------------------------------ */
519 buffer_setup(struct videobuf_queue
*q
, unsigned int *count
, unsigned int *size
)
521 struct cx8800_fh
*fh
= q
->priv_data
;
523 *size
= fh
->fmt
->depth
*fh
->width
*fh
->height
>> 3;
526 while (*size
* *count
> vid_limit
* 1024 * 1024)
532 buffer_prepare(struct videobuf_queue
*q
, struct videobuf_buffer
*vb
,
533 enum v4l2_field field
)
535 struct cx8800_fh
*fh
= q
->priv_data
;
536 struct cx8800_dev
*dev
= fh
->dev
;
537 struct cx88_core
*core
= dev
->core
;
538 struct cx88_buffer
*buf
= container_of(vb
,struct cx88_buffer
,vb
);
539 int rc
, init_buffer
= 0;
541 BUG_ON(NULL
== fh
->fmt
);
542 if (fh
->width
< 48 || fh
->width
> norm_maxw(core
->tvnorm
) ||
543 fh
->height
< 32 || fh
->height
> norm_maxh(core
->tvnorm
))
545 buf
->vb
.size
= (fh
->width
* fh
->height
* fh
->fmt
->depth
) >> 3;
546 if (0 != buf
->vb
.baddr
&& buf
->vb
.bsize
< buf
->vb
.size
)
549 if (buf
->fmt
!= fh
->fmt
||
550 buf
->vb
.width
!= fh
->width
||
551 buf
->vb
.height
!= fh
->height
||
552 buf
->vb
.field
!= field
) {
554 buf
->vb
.width
= fh
->width
;
555 buf
->vb
.height
= fh
->height
;
556 buf
->vb
.field
= field
;
560 if (STATE_NEEDS_INIT
== buf
->vb
.state
) {
562 if (0 != (rc
= videobuf_iolock(q
,&buf
->vb
,NULL
)))
567 buf
->bpl
= buf
->vb
.width
* buf
->fmt
->depth
>> 3;
568 switch (buf
->vb
.field
) {
570 cx88_risc_buffer(dev
->pci
, &buf
->risc
,
571 buf
->vb
.dma
.sglist
, 0, UNSET
,
572 buf
->bpl
, 0, buf
->vb
.height
);
574 case V4L2_FIELD_BOTTOM
:
575 cx88_risc_buffer(dev
->pci
, &buf
->risc
,
576 buf
->vb
.dma
.sglist
, UNSET
, 0,
577 buf
->bpl
, 0, buf
->vb
.height
);
579 case V4L2_FIELD_INTERLACED
:
580 cx88_risc_buffer(dev
->pci
, &buf
->risc
,
581 buf
->vb
.dma
.sglist
, 0, buf
->bpl
,
583 buf
->vb
.height
>> 1);
585 case V4L2_FIELD_SEQ_TB
:
586 cx88_risc_buffer(dev
->pci
, &buf
->risc
,
588 0, buf
->bpl
* (buf
->vb
.height
>> 1),
590 buf
->vb
.height
>> 1);
592 case V4L2_FIELD_SEQ_BT
:
593 cx88_risc_buffer(dev
->pci
, &buf
->risc
,
595 buf
->bpl
* (buf
->vb
.height
>> 1), 0,
597 buf
->vb
.height
>> 1);
603 dprintk(2,"[%p/%d] buffer_prepare - %dx%d %dbpp \"%s\" - dma=0x%08lx\n",
605 fh
->width
, fh
->height
, fh
->fmt
->depth
, fh
->fmt
->name
,
606 (unsigned long)buf
->risc
.dma
);
608 buf
->vb
.state
= STATE_PREPARED
;
612 cx88_free_buffer(q
,buf
);
617 buffer_queue(struct videobuf_queue
*vq
, struct videobuf_buffer
*vb
)
619 struct cx88_buffer
*buf
= container_of(vb
,struct cx88_buffer
,vb
);
620 struct cx88_buffer
*prev
;
621 struct cx8800_fh
*fh
= vq
->priv_data
;
622 struct cx8800_dev
*dev
= fh
->dev
;
623 struct cx88_core
*core
= dev
->core
;
624 struct cx88_dmaqueue
*q
= &dev
->vidq
;
626 /* add jump to stopper */
627 buf
->risc
.jmp
[0] = cpu_to_le32(RISC_JUMP
| RISC_IRQ1
| RISC_CNT_INC
);
628 buf
->risc
.jmp
[1] = cpu_to_le32(q
->stopper
.dma
);
630 if (!list_empty(&q
->queued
)) {
631 list_add_tail(&buf
->vb
.queue
,&q
->queued
);
632 buf
->vb
.state
= STATE_QUEUED
;
633 dprintk(2,"[%p/%d] buffer_queue - append to queued\n",
636 } else if (list_empty(&q
->active
)) {
637 list_add_tail(&buf
->vb
.queue
,&q
->active
);
638 start_video_dma(dev
, q
, buf
);
639 buf
->vb
.state
= STATE_ACTIVE
;
640 buf
->count
= q
->count
++;
641 mod_timer(&q
->timeout
, jiffies
+BUFFER_TIMEOUT
);
642 dprintk(2,"[%p/%d] buffer_queue - first active\n",
646 prev
= list_entry(q
->active
.prev
, struct cx88_buffer
, vb
.queue
);
647 if (prev
->vb
.width
== buf
->vb
.width
&&
648 prev
->vb
.height
== buf
->vb
.height
&&
649 prev
->fmt
== buf
->fmt
) {
650 list_add_tail(&buf
->vb
.queue
,&q
->active
);
651 buf
->vb
.state
= STATE_ACTIVE
;
652 buf
->count
= q
->count
++;
653 prev
->risc
.jmp
[1] = cpu_to_le32(buf
->risc
.dma
);
654 dprintk(2,"[%p/%d] buffer_queue - append to active\n",
658 list_add_tail(&buf
->vb
.queue
,&q
->queued
);
659 buf
->vb
.state
= STATE_QUEUED
;
660 dprintk(2,"[%p/%d] buffer_queue - first queued\n",
666 static void buffer_release(struct videobuf_queue
*q
, struct videobuf_buffer
*vb
)
668 struct cx88_buffer
*buf
= container_of(vb
,struct cx88_buffer
,vb
);
670 cx88_free_buffer(q
,buf
);
673 static struct videobuf_queue_ops cx8800_video_qops
= {
674 .buf_setup
= buffer_setup
,
675 .buf_prepare
= buffer_prepare
,
676 .buf_queue
= buffer_queue
,
677 .buf_release
= buffer_release
,
680 /* ------------------------------------------------------------------ */
683 /* ------------------------------------------------------------------ */
685 static struct videobuf_queue
* get_queue(struct cx8800_fh
*fh
)
688 case V4L2_BUF_TYPE_VIDEO_CAPTURE
:
690 case V4L2_BUF_TYPE_VBI_CAPTURE
:
698 static int get_ressource(struct cx8800_fh
*fh
)
701 case V4L2_BUF_TYPE_VIDEO_CAPTURE
:
702 return RESOURCE_VIDEO
;
703 case V4L2_BUF_TYPE_VBI_CAPTURE
:
711 static int video_open(struct inode
*inode
, struct file
*file
)
713 int minor
= iminor(inode
);
714 struct cx8800_dev
*h
,*dev
= NULL
;
715 struct cx88_core
*core
;
716 struct cx8800_fh
*fh
;
717 struct list_head
*list
;
718 enum v4l2_buf_type type
= 0;
721 list_for_each(list
,&cx8800_devlist
) {
722 h
= list_entry(list
, struct cx8800_dev
, devlist
);
723 if (h
->video_dev
->minor
== minor
) {
725 type
= V4L2_BUF_TYPE_VIDEO_CAPTURE
;
727 if (h
->vbi_dev
->minor
== minor
) {
729 type
= V4L2_BUF_TYPE_VBI_CAPTURE
;
732 h
->radio_dev
->minor
== minor
) {
742 dprintk(1,"open minor=%d radio=%d type=%s\n",
743 minor
,radio
,v4l2_type_names
[type
]);
745 /* allocate + initialize per filehandle data */
746 fh
= kzalloc(sizeof(*fh
),GFP_KERNEL
);
749 file
->private_data
= fh
;
755 fh
->fmt
= format_by_fourcc(V4L2_PIX_FMT_BGR24
);
757 videobuf_queue_init(&fh
->vidq
, &cx8800_video_qops
,
758 dev
->pci
, &dev
->slock
,
759 V4L2_BUF_TYPE_VIDEO_CAPTURE
,
760 V4L2_FIELD_INTERLACED
,
761 sizeof(struct cx88_buffer
),
763 videobuf_queue_init(&fh
->vbiq
, &cx8800_vbi_qops
,
764 dev
->pci
, &dev
->slock
,
765 V4L2_BUF_TYPE_VBI_CAPTURE
,
767 sizeof(struct cx88_buffer
),
771 int board
= core
->board
;
772 dprintk(1,"video_open: setting radio device\n");
773 cx_write(MO_GP3_IO
, cx88_boards
[board
].radio
.gpio3
);
774 cx_write(MO_GP0_IO
, cx88_boards
[board
].radio
.gpio0
);
775 cx_write(MO_GP1_IO
, cx88_boards
[board
].radio
.gpio1
);
776 cx_write(MO_GP2_IO
, cx88_boards
[board
].radio
.gpio2
);
777 core
->tvaudio
= WW_FM
;
778 cx88_set_tvaudio(core
);
779 cx88_set_stereo(core
,V4L2_TUNER_MODE_STEREO
,1);
780 cx88_call_i2c_clients(core
,AUDC_SET_RADIO
,NULL
);
787 video_read(struct file
*file
, char __user
*data
, size_t count
, loff_t
*ppos
)
789 struct cx8800_fh
*fh
= file
->private_data
;
792 case V4L2_BUF_TYPE_VIDEO_CAPTURE
:
793 if (res_locked(fh
->dev
,RESOURCE_VIDEO
))
795 return videobuf_read_one(&fh
->vidq
, data
, count
, ppos
,
796 file
->f_flags
& O_NONBLOCK
);
797 case V4L2_BUF_TYPE_VBI_CAPTURE
:
798 if (!res_get(fh
->dev
,fh
,RESOURCE_VBI
))
800 return videobuf_read_stream(&fh
->vbiq
, data
, count
, ppos
, 1,
801 file
->f_flags
& O_NONBLOCK
);
809 video_poll(struct file
*file
, struct poll_table_struct
*wait
)
811 struct cx8800_fh
*fh
= file
->private_data
;
812 struct cx88_buffer
*buf
;
814 if (V4L2_BUF_TYPE_VBI_CAPTURE
== fh
->type
) {
815 if (!res_get(fh
->dev
,fh
,RESOURCE_VBI
))
817 return videobuf_poll_stream(file
, &fh
->vbiq
, wait
);
820 if (res_check(fh
,RESOURCE_VIDEO
)) {
821 /* streaming capture */
822 if (list_empty(&fh
->vidq
.stream
))
824 buf
= list_entry(fh
->vidq
.stream
.next
,struct cx88_buffer
,vb
.stream
);
827 buf
= (struct cx88_buffer
*)fh
->vidq
.read_buf
;
831 poll_wait(file
, &buf
->vb
.done
, wait
);
832 if (buf
->vb
.state
== STATE_DONE
||
833 buf
->vb
.state
== STATE_ERROR
)
834 return POLLIN
|POLLRDNORM
;
838 static int video_release(struct inode
*inode
, struct file
*file
)
840 struct cx8800_fh
*fh
= file
->private_data
;
841 struct cx8800_dev
*dev
= fh
->dev
;
843 /* turn off overlay */
844 if (res_check(fh
, RESOURCE_OVERLAY
)) {
846 res_free(dev
,fh
,RESOURCE_OVERLAY
);
849 /* stop video capture */
850 if (res_check(fh
, RESOURCE_VIDEO
)) {
851 videobuf_queue_cancel(&fh
->vidq
);
852 res_free(dev
,fh
,RESOURCE_VIDEO
);
854 if (fh
->vidq
.read_buf
) {
855 buffer_release(&fh
->vidq
,fh
->vidq
.read_buf
);
856 kfree(fh
->vidq
.read_buf
);
859 /* stop vbi capture */
860 if (res_check(fh
, RESOURCE_VBI
)) {
861 if (fh
->vbiq
.streaming
)
862 videobuf_streamoff(&fh
->vbiq
);
863 if (fh
->vbiq
.reading
)
864 videobuf_read_stop(&fh
->vbiq
);
865 res_free(dev
,fh
,RESOURCE_VBI
);
868 videobuf_mmap_free(&fh
->vidq
);
869 videobuf_mmap_free(&fh
->vbiq
);
870 file
->private_data
= NULL
;
873 cx88_call_i2c_clients (dev
->core
, TUNER_SET_STANDBY
, NULL
);
879 video_mmap(struct file
*file
, struct vm_area_struct
* vma
)
881 struct cx8800_fh
*fh
= file
->private_data
;
883 return videobuf_mmap_mapper(get_queue(fh
), vma
);
886 /* ------------------------------------------------------------------ */
887 /* VIDEO CTRL IOCTLS */
889 int cx88_get_control (struct cx88_core
*core
, struct v4l2_control
*ctl
)
891 struct cx88_ctrl
*c
= NULL
;
895 for (i
= 0; i
< CX8800_CTLS
; i
++)
896 if (cx8800_ctls
[i
].v
.id
== ctl
->id
)
898 if (unlikely(NULL
== c
))
901 value
= c
->sreg
? cx_sread(c
->sreg
) : cx_read(c
->reg
);
903 case V4L2_CID_AUDIO_BALANCE
:
904 ctl
->value
= ((value
& 0x7f) < 0x40) ? ((value
& 0x7f) + 0x40)
905 : (0x7f - (value
& 0x7f));
907 case V4L2_CID_AUDIO_VOLUME
:
908 ctl
->value
= 0x3f - (value
& 0x3f);
911 ctl
->value
= ((value
+ (c
->off
<< c
->shift
)) & c
->mask
) >> c
->shift
;
914 dprintk(1,"get_control id=0x%X(%s) ctrl=0x%02x, reg=0x%02x val=0x%02x (mask 0x%02x)%s\n",
915 ctl
->id
, c
->v
.name
, ctl
->value
, c
->reg
,
916 value
,c
->mask
, c
->sreg
? " [shadowed]" : "");
919 EXPORT_SYMBOL(cx88_get_control
);
921 int cx88_set_control(struct cx88_core
*core
, struct v4l2_control
*ctl
)
923 struct cx88_ctrl
*c
= NULL
;
927 for (i
= 0; i
< CX8800_CTLS
; i
++) {
928 if (cx8800_ctls
[i
].v
.id
== ctl
->id
) {
932 if (unlikely(NULL
== c
))
935 if (ctl
->value
< c
->v
.minimum
)
936 ctl
->value
= c
->v
.minimum
;
937 if (ctl
->value
> c
->v
.maximum
)
938 ctl
->value
= c
->v
.maximum
;
941 case V4L2_CID_AUDIO_BALANCE
:
942 value
= (ctl
->value
< 0x40) ? (0x7f - ctl
->value
) : (ctl
->value
- 0x40);
944 case V4L2_CID_AUDIO_VOLUME
:
945 value
= 0x3f - (ctl
->value
& 0x3f);
947 case V4L2_CID_SATURATION
:
948 /* special v_sat handling */
950 value
= ((ctl
->value
- c
->off
) << c
->shift
) & c
->mask
;
952 if (core
->tvnorm
& V4L2_STD_SECAM
) {
953 /* For SECAM, both U and V sat should be equal */
954 value
=value
<<8|value
;
956 /* Keeps U Saturation proportional to V Sat */
957 value
=(value
*0x5a)/0x7f<<8|value
;
962 value
= ((ctl
->value
- c
->off
) << c
->shift
) & c
->mask
;
965 dprintk(1,"set_control id=0x%X(%s) ctrl=0x%02x, reg=0x%02x val=0x%02x (mask 0x%02x)%s\n",
966 ctl
->id
, c
->v
.name
, ctl
->value
, c
->reg
, value
,
967 mask
, c
->sreg
? " [shadowed]" : "");
969 cx_sandor(c
->sreg
, c
->reg
, mask
, value
);
971 cx_andor(c
->reg
, mask
, value
);
975 EXPORT_SYMBOL(cx88_set_control
);
977 static void init_controls(struct cx88_core
*core
)
979 struct v4l2_control ctrl
;
982 for (i
= 0; i
< CX8800_CTLS
; i
++) {
983 ctrl
.id
=cx8800_ctls
[i
].v
.id
;
984 ctrl
.value
=cx8800_ctls
[i
].v
.default_value
;
986 cx88_set_control(core
, &ctrl
);
990 /* ------------------------------------------------------------------ */
993 static int vidioc_g_fmt_cap (struct file
*file
, void *priv
,
994 struct v4l2_format
*f
)
996 struct cx8800_fh
*fh
= priv
;
998 f
->fmt
.pix
.width
= fh
->width
;
999 f
->fmt
.pix
.height
= fh
->height
;
1000 f
->fmt
.pix
.field
= fh
->vidq
.field
;
1001 f
->fmt
.pix
.pixelformat
= fh
->fmt
->fourcc
;
1002 f
->fmt
.pix
.bytesperline
=
1003 (f
->fmt
.pix
.width
* fh
->fmt
->depth
) >> 3;
1004 f
->fmt
.pix
.sizeimage
=
1005 f
->fmt
.pix
.height
* f
->fmt
.pix
.bytesperline
;
1009 static int vidioc_try_fmt_cap (struct file
*file
, void *priv
,
1010 struct v4l2_format
*f
)
1012 struct cx88_core
*core
= ((struct cx8800_fh
*)priv
)->dev
->core
;
1013 struct cx8800_fmt
*fmt
;
1014 enum v4l2_field field
;
1015 unsigned int maxw
, maxh
;
1017 fmt
= format_by_fourcc(f
->fmt
.pix
.pixelformat
);
1021 field
= f
->fmt
.pix
.field
;
1022 maxw
= norm_maxw(core
->tvnorm
);
1023 maxh
= norm_maxh(core
->tvnorm
);
1025 if (V4L2_FIELD_ANY
== field
) {
1026 field
= (f
->fmt
.pix
.height
> maxh
/2)
1027 ? V4L2_FIELD_INTERLACED
1028 : V4L2_FIELD_BOTTOM
;
1032 case V4L2_FIELD_TOP
:
1033 case V4L2_FIELD_BOTTOM
:
1036 case V4L2_FIELD_INTERLACED
:
1042 f
->fmt
.pix
.field
= field
;
1043 if (f
->fmt
.pix
.height
< 32)
1044 f
->fmt
.pix
.height
= 32;
1045 if (f
->fmt
.pix
.height
> maxh
)
1046 f
->fmt
.pix
.height
= maxh
;
1047 if (f
->fmt
.pix
.width
< 48)
1048 f
->fmt
.pix
.width
= 48;
1049 if (f
->fmt
.pix
.width
> maxw
)
1050 f
->fmt
.pix
.width
= maxw
;
1051 f
->fmt
.pix
.width
&= ~0x03;
1052 f
->fmt
.pix
.bytesperline
=
1053 (f
->fmt
.pix
.width
* fmt
->depth
) >> 3;
1054 f
->fmt
.pix
.sizeimage
=
1055 f
->fmt
.pix
.height
* f
->fmt
.pix
.bytesperline
;
1060 static int vidioc_s_fmt_cap (struct file
*file
, void *priv
,
1061 struct v4l2_format
*f
)
1063 struct cx8800_fh
*fh
= priv
;
1064 int err
= vidioc_try_fmt_cap (file
,priv
,f
);
1068 fh
->fmt
= format_by_fourcc(f
->fmt
.pix
.pixelformat
);
1069 fh
->width
= f
->fmt
.pix
.width
;
1070 fh
->height
= f
->fmt
.pix
.height
;
1071 fh
->vidq
.field
= f
->fmt
.pix
.field
;
1075 static int vidioc_querycap (struct file
*file
, void *priv
,
1076 struct v4l2_capability
*cap
)
1078 struct cx8800_dev
*dev
= ((struct cx8800_fh
*)priv
)->dev
;
1079 struct cx88_core
*core
= dev
->core
;
1081 strcpy(cap
->driver
, "cx8800");
1082 strlcpy(cap
->card
, cx88_boards
[core
->board
].name
,
1084 sprintf(cap
->bus_info
,"PCI:%s",pci_name(dev
->pci
));
1085 cap
->version
= CX88_VERSION_CODE
;
1087 V4L2_CAP_VIDEO_CAPTURE
|
1088 V4L2_CAP_READWRITE
|
1089 V4L2_CAP_STREAMING
|
1090 V4L2_CAP_VBI_CAPTURE
;
1091 if (UNSET
!= core
->tuner_type
)
1092 cap
->capabilities
|= V4L2_CAP_TUNER
;
1096 static int vidioc_enum_fmt_cap (struct file
*file
, void *priv
,
1097 struct v4l2_fmtdesc
*f
)
1099 if (unlikely(f
->index
>= ARRAY_SIZE(formats
)))
1102 strlcpy(f
->description
,formats
[f
->index
].name
,sizeof(f
->description
));
1103 f
->pixelformat
= formats
[f
->index
].fourcc
;
1108 #ifdef CONFIG_VIDEO_V4L1_COMPAT
1109 static int vidiocgmbuf (struct file
*file
, void *priv
, struct video_mbuf
*mbuf
)
1111 struct cx8800_fh
*fh
= priv
;
1112 struct videobuf_queue
*q
;
1113 struct v4l2_requestbuffers req
;
1118 memset(&req
,0,sizeof(req
));
1121 req
.memory
= V4L2_MEMORY_MMAP
;
1122 err
= videobuf_reqbufs(q
,&req
);
1126 mbuf
->frames
= req
.count
;
1128 for (i
= 0; i
< mbuf
->frames
; i
++) {
1129 mbuf
->offsets
[i
] = q
->bufs
[i
]->boff
;
1130 mbuf
->size
+= q
->bufs
[i
]->bsize
;
1136 static int vidioc_reqbufs (struct file
*file
, void *priv
, struct v4l2_requestbuffers
*p
)
1138 struct cx8800_fh
*fh
= priv
;
1139 return (videobuf_reqbufs(get_queue(fh
), p
));
1142 static int vidioc_querybuf (struct file
*file
, void *priv
, struct v4l2_buffer
*p
)
1144 struct cx8800_fh
*fh
= priv
;
1145 return (videobuf_querybuf(get_queue(fh
), p
));
1148 static int vidioc_qbuf (struct file
*file
, void *priv
, struct v4l2_buffer
*p
)
1150 struct cx8800_fh
*fh
= priv
;
1151 return (videobuf_qbuf(get_queue(fh
), p
));
1154 static int vidioc_dqbuf (struct file
*file
, void *priv
, struct v4l2_buffer
*p
)
1156 struct cx8800_fh
*fh
= priv
;
1157 return (videobuf_dqbuf(get_queue(fh
), p
,
1158 file
->f_flags
& O_NONBLOCK
));
1161 static int vidioc_streamon(struct file
*file
, void *priv
, enum v4l2_buf_type i
)
1163 struct cx8800_fh
*fh
= priv
;
1164 struct cx8800_dev
*dev
= fh
->dev
;
1166 if (unlikely(fh
->type
!= V4L2_BUF_TYPE_VIDEO_CAPTURE
))
1168 if (unlikely(i
!= fh
->type
))
1171 if (unlikely(!res_get(dev
,fh
,get_ressource(fh
))))
1173 return videobuf_streamon(get_queue(fh
));
1176 static int vidioc_streamoff(struct file
*file
, void *priv
, enum v4l2_buf_type i
)
1178 struct cx8800_fh
*fh
= priv
;
1179 struct cx8800_dev
*dev
= fh
->dev
;
1182 if (fh
->type
!= V4L2_BUF_TYPE_VIDEO_CAPTURE
)
1187 res
= get_ressource(fh
);
1188 err
= videobuf_streamoff(get_queue(fh
));
1191 res_free(dev
,fh
,res
);
1195 static int vidioc_s_std (struct file
*file
, void *priv
, v4l2_std_id
*tvnorms
)
1197 struct cx88_core
*core
= ((struct cx8800_fh
*)priv
)->dev
->core
;
1199 mutex_lock(&core
->lock
);
1200 cx88_set_tvnorm(core
,*tvnorms
);
1201 mutex_unlock(&core
->lock
);
1206 /* only one input in this sample driver */
1207 int cx88_enum_input (struct cx88_core
*core
,struct v4l2_input
*i
)
1209 static const char *iname
[] = {
1210 [ CX88_VMUX_COMPOSITE1
] = "Composite1",
1211 [ CX88_VMUX_COMPOSITE2
] = "Composite2",
1212 [ CX88_VMUX_COMPOSITE3
] = "Composite3",
1213 [ CX88_VMUX_COMPOSITE4
] = "Composite4",
1214 [ CX88_VMUX_SVIDEO
] = "S-Video",
1215 [ CX88_VMUX_TELEVISION
] = "Television",
1216 [ CX88_VMUX_CABLE
] = "Cable TV",
1217 [ CX88_VMUX_DVB
] = "DVB",
1218 [ CX88_VMUX_DEBUG
] = "for debug only",
1225 if (0 == INPUT(n
)->type
)
1227 memset(i
,0,sizeof(*i
));
1229 i
->type
= V4L2_INPUT_TYPE_CAMERA
;
1230 strcpy(i
->name
,iname
[INPUT(n
)->type
]);
1231 if ((CX88_VMUX_TELEVISION
== INPUT(n
)->type
) ||
1232 (CX88_VMUX_CABLE
== INPUT(n
)->type
))
1233 i
->type
= V4L2_INPUT_TYPE_TUNER
;
1234 i
->std
= CX88_NORMS
;
1237 EXPORT_SYMBOL(cx88_enum_input
);
1239 static int vidioc_enum_input (struct file
*file
, void *priv
,
1240 struct v4l2_input
*i
)
1242 struct cx88_core
*core
= ((struct cx8800_fh
*)priv
)->dev
->core
;
1243 return cx88_enum_input (core
,i
);
1246 static int vidioc_g_input (struct file
*file
, void *priv
, unsigned int *i
)
1248 struct cx88_core
*core
= ((struct cx8800_fh
*)priv
)->dev
->core
;
1254 static int vidioc_s_input (struct file
*file
, void *priv
, unsigned int i
)
1256 struct cx88_core
*core
= ((struct cx8800_fh
*)priv
)->dev
->core
;
1261 mutex_lock(&core
->lock
);
1262 cx88_newstation(core
);
1263 cx88_video_mux(core
,i
);
1264 mutex_unlock(&core
->lock
);
1270 static int vidioc_queryctrl (struct file
*file
, void *priv
,
1271 struct v4l2_queryctrl
*qctrl
)
1273 qctrl
->id
= v4l2_ctrl_next(ctrl_classes
, qctrl
->id
);
1274 if (unlikely(qctrl
->id
== 0))
1276 return cx8800_ctrl_query(qctrl
);
1279 static int vidioc_g_ctrl (struct file
*file
, void *priv
,
1280 struct v4l2_control
*ctl
)
1282 struct cx88_core
*core
= ((struct cx8800_fh
*)priv
)->dev
->core
;
1284 cx88_get_control(core
,ctl
);
1287 static int vidioc_s_ctrl (struct file
*file
, void *priv
,
1288 struct v4l2_control
*ctl
)
1290 struct cx88_core
*core
= ((struct cx8800_fh
*)priv
)->dev
->core
;
1292 cx88_set_control(core
,ctl
);
1295 static int vidioc_g_tuner (struct file
*file
, void *priv
,
1296 struct v4l2_tuner
*t
)
1298 struct cx88_core
*core
= ((struct cx8800_fh
*)priv
)->dev
->core
;
1301 if (unlikely(UNSET
== core
->tuner_type
))
1306 strcpy(t
->name
, "Television");
1307 t
->type
= V4L2_TUNER_ANALOG_TV
;
1308 t
->capability
= V4L2_TUNER_CAP_NORM
;
1309 t
->rangehigh
= 0xffffffffUL
;
1311 cx88_get_stereo(core
,t
);
1312 reg
= cx_read(MO_DEVICE_STATUS
);
1313 t
->signal
= (reg
& (1<<5)) ? 0xffff : 0x0000;
1317 static int vidioc_s_tuner (struct file
*file
, void *priv
,
1318 struct v4l2_tuner
*t
)
1320 struct cx88_core
*core
= ((struct cx8800_fh
*)priv
)->dev
->core
;
1322 if (UNSET
== core
->tuner_type
)
1327 cx88_set_stereo(core
, t
->audmode
, 1);
1331 static int vidioc_g_frequency (struct file
*file
, void *priv
,
1332 struct v4l2_frequency
*f
)
1334 struct cx8800_fh
*fh
= priv
;
1335 struct cx88_core
*core
= fh
->dev
->core
;
1337 if (unlikely(UNSET
== core
->tuner_type
))
1340 /* f->type = fh->radio ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV; */
1341 f
->type
= fh
->radio
? V4L2_TUNER_RADIO
: V4L2_TUNER_ANALOG_TV
;
1342 f
->frequency
= core
->freq
;
1344 cx88_call_i2c_clients(core
,VIDIOC_G_FREQUENCY
,f
);
1349 int cx88_set_freq (struct cx88_core
*core
,
1350 struct v4l2_frequency
*f
)
1352 if (unlikely(UNSET
== core
->tuner_type
))
1354 if (unlikely(f
->tuner
!= 0))
1357 mutex_lock(&core
->lock
);
1358 core
->freq
= f
->frequency
;
1359 cx88_newstation(core
);
1360 cx88_call_i2c_clients(core
,VIDIOC_S_FREQUENCY
,f
);
1362 /* When changing channels it is required to reset TVAUDIO */
1364 cx88_set_tvaudio(core
);
1366 mutex_unlock(&core
->lock
);
1370 EXPORT_SYMBOL(cx88_set_freq
);
1372 static int vidioc_s_frequency (struct file
*file
, void *priv
,
1373 struct v4l2_frequency
*f
)
1375 struct cx8800_fh
*fh
= priv
;
1376 struct cx88_core
*core
= fh
->dev
->core
;
1378 if (unlikely(0 == fh
->radio
&& f
->type
!= V4L2_TUNER_ANALOG_TV
))
1380 if (unlikely(1 == fh
->radio
&& f
->type
!= V4L2_TUNER_RADIO
))
1384 cx88_set_freq (core
,f
);
1387 #ifdef CONFIG_VIDEO_ADV_DEBUG
1388 static int vidioc_g_register (struct file
*file
, void *fh
,
1389 struct v4l2_register
*reg
)
1391 struct cx88_core
*core
= ((struct cx8800_fh
*)fh
)->dev
->core
;
1393 if (!v4l2_chip_match_host(reg
->match_type
, reg
->match_chip
))
1395 /* cx2388x has a 24-bit register space */
1396 reg
->val
= cx_read(reg
->reg
&0xffffff);
1400 static int vidioc_s_register (struct file
*file
, void *fh
,
1401 struct v4l2_register
*reg
)
1403 struct cx88_core
*core
= ((struct cx8800_fh
*)fh
)->dev
->core
;
1405 if (!v4l2_chip_match_host(reg
->match_type
, reg
->match_chip
))
1407 cx_write(reg
->reg
&0xffffff, reg
->val
);
1412 /* ----------------------------------------------------------- */
1413 /* RADIO ESPECIFIC IOCTLS */
1414 /* ----------------------------------------------------------- */
1416 static int radio_querycap (struct file
*file
, void *priv
,
1417 struct v4l2_capability
*cap
)
1419 struct cx8800_dev
*dev
= ((struct cx8800_fh
*)priv
)->dev
;
1420 struct cx88_core
*core
= dev
->core
;
1422 strcpy(cap
->driver
, "cx8800");
1423 strlcpy(cap
->card
, cx88_boards
[core
->board
].name
,
1425 sprintf(cap
->bus_info
,"PCI:%s", pci_name(dev
->pci
));
1426 cap
->version
= CX88_VERSION_CODE
;
1427 cap
->capabilities
= V4L2_CAP_TUNER
;
1431 static int radio_g_tuner (struct file
*file
, void *priv
,
1432 struct v4l2_tuner
*t
)
1434 struct cx88_core
*core
= ((struct cx8800_fh
*)priv
)->dev
->core
;
1436 if (unlikely(t
->index
> 0))
1439 strcpy(t
->name
, "Radio");
1440 t
->type
= V4L2_TUNER_RADIO
;
1442 cx88_call_i2c_clients(core
,VIDIOC_G_TUNER
,t
);
1446 static int radio_enum_input (struct file
*file
, void *priv
,
1447 struct v4l2_input
*i
)
1451 strcpy(i
->name
,"Radio");
1452 i
->type
= V4L2_INPUT_TYPE_TUNER
;
1457 static int radio_g_audio (struct file
*file
, void *priv
, struct v4l2_audio
*a
)
1459 if (unlikely(a
->index
))
1462 memset(a
,0,sizeof(*a
));
1463 strcpy(a
->name
,"Radio");
1467 /* FIXME: Should add a standard for radio */
1469 static int radio_s_tuner (struct file
*file
, void *priv
,
1470 struct v4l2_tuner
*t
)
1472 struct cx88_core
*core
= ((struct cx8800_fh
*)priv
)->dev
->core
;
1477 cx88_call_i2c_clients(core
,VIDIOC_S_TUNER
,t
);
1482 static int radio_s_audio (struct file
*file
, void *fh
,
1483 struct v4l2_audio
*a
)
1488 static int radio_s_input (struct file
*file
, void *fh
, unsigned int i
)
1493 static int radio_queryctrl (struct file
*file
, void *priv
,
1494 struct v4l2_queryctrl
*c
)
1498 if (c
->id
< V4L2_CID_BASE
||
1499 c
->id
>= V4L2_CID_LASTP1
)
1501 if (c
->id
== V4L2_CID_AUDIO_MUTE
) {
1502 for (i
= 0; i
< CX8800_CTLS
; i
++)
1503 if (cx8800_ctls
[i
].v
.id
== c
->id
)
1505 *c
= cx8800_ctls
[i
].v
;
1511 /* ----------------------------------------------------------- */
1513 static void cx8800_vid_timeout(unsigned long data
)
1515 struct cx8800_dev
*dev
= (struct cx8800_dev
*)data
;
1516 struct cx88_core
*core
= dev
->core
;
1517 struct cx88_dmaqueue
*q
= &dev
->vidq
;
1518 struct cx88_buffer
*buf
;
1519 unsigned long flags
;
1521 cx88_sram_channel_dump(core
, &cx88_sram_channels
[SRAM_CH21
]);
1523 cx_clear(MO_VID_DMACNTRL
, 0x11);
1524 cx_clear(VID_CAPTURE_CONTROL
, 0x06);
1526 spin_lock_irqsave(&dev
->slock
,flags
);
1527 while (!list_empty(&q
->active
)) {
1528 buf
= list_entry(q
->active
.next
, struct cx88_buffer
, vb
.queue
);
1529 list_del(&buf
->vb
.queue
);
1530 buf
->vb
.state
= STATE_ERROR
;
1531 wake_up(&buf
->vb
.done
);
1532 printk("%s/0: [%p/%d] timeout - dma=0x%08lx\n", core
->name
,
1533 buf
, buf
->vb
.i
, (unsigned long)buf
->risc
.dma
);
1535 restart_video_queue(dev
,q
);
1536 spin_unlock_irqrestore(&dev
->slock
,flags
);
1539 static char *cx88_vid_irqs
[32] = {
1540 "y_risci1", "u_risci1", "v_risci1", "vbi_risc1",
1541 "y_risci2", "u_risci2", "v_risci2", "vbi_risc2",
1542 "y_oflow", "u_oflow", "v_oflow", "vbi_oflow",
1543 "y_sync", "u_sync", "v_sync", "vbi_sync",
1544 "opc_err", "par_err", "rip_err", "pci_abort",
1547 static void cx8800_vid_irq(struct cx8800_dev
*dev
)
1549 struct cx88_core
*core
= dev
->core
;
1550 u32 status
, mask
, count
;
1552 status
= cx_read(MO_VID_INTSTAT
);
1553 mask
= cx_read(MO_VID_INTMSK
);
1554 if (0 == (status
& mask
))
1556 cx_write(MO_VID_INTSTAT
, status
);
1557 if (irq_debug
|| (status
& mask
& ~0xff))
1558 cx88_print_irqbits(core
->name
, "irq vid",
1559 cx88_vid_irqs
, ARRAY_SIZE(cx88_vid_irqs
),
1562 /* risc op code error */
1563 if (status
& (1 << 16)) {
1564 printk(KERN_WARNING
"%s/0: video risc op code error\n",core
->name
);
1565 cx_clear(MO_VID_DMACNTRL
, 0x11);
1566 cx_clear(VID_CAPTURE_CONTROL
, 0x06);
1567 cx88_sram_channel_dump(core
, &cx88_sram_channels
[SRAM_CH21
]);
1571 if (status
& 0x01) {
1572 spin_lock(&dev
->slock
);
1573 count
= cx_read(MO_VIDY_GPCNT
);
1574 cx88_wakeup(core
, &dev
->vidq
, count
);
1575 spin_unlock(&dev
->slock
);
1579 if (status
& 0x08) {
1580 spin_lock(&dev
->slock
);
1581 count
= cx_read(MO_VBI_GPCNT
);
1582 cx88_wakeup(core
, &dev
->vbiq
, count
);
1583 spin_unlock(&dev
->slock
);
1587 if (status
& 0x10) {
1588 dprintk(2,"stopper video\n");
1589 spin_lock(&dev
->slock
);
1590 restart_video_queue(dev
,&dev
->vidq
);
1591 spin_unlock(&dev
->slock
);
1595 if (status
& 0x80) {
1596 dprintk(2,"stopper vbi\n");
1597 spin_lock(&dev
->slock
);
1598 cx8800_restart_vbi_queue(dev
,&dev
->vbiq
);
1599 spin_unlock(&dev
->slock
);
1603 static irqreturn_t
cx8800_irq(int irq
, void *dev_id
)
1605 struct cx8800_dev
*dev
= dev_id
;
1606 struct cx88_core
*core
= dev
->core
;
1608 int loop
, handled
= 0;
1610 for (loop
= 0; loop
< 10; loop
++) {
1611 status
= cx_read(MO_PCI_INTSTAT
) & (core
->pci_irqmask
| 0x01);
1614 cx_write(MO_PCI_INTSTAT
, status
);
1617 if (status
& core
->pci_irqmask
)
1618 cx88_core_irq(core
,status
);
1620 cx8800_vid_irq(dev
);
1623 printk(KERN_WARNING
"%s/0: irq loop -- clearing mask\n",
1625 cx_write(MO_PCI_INTMSK
,0);
1629 return IRQ_RETVAL(handled
);
1632 /* ----------------------------------------------------------- */
1633 /* exported stuff */
1635 static const struct file_operations video_fops
=
1637 .owner
= THIS_MODULE
,
1639 .release
= video_release
,
1643 .ioctl
= video_ioctl2
,
1644 .compat_ioctl
= v4l_compat_ioctl32
,
1645 .llseek
= no_llseek
,
1648 static struct video_device cx8800_vbi_template
;
1649 static struct video_device cx8800_video_template
=
1651 .name
= "cx8800-video",
1652 .type
= VID_TYPE_CAPTURE
|VID_TYPE_TUNER
|VID_TYPE_SCALES
,
1653 .fops
= &video_fops
,
1655 .vidioc_querycap
= vidioc_querycap
,
1656 .vidioc_enum_fmt_cap
= vidioc_enum_fmt_cap
,
1657 .vidioc_g_fmt_cap
= vidioc_g_fmt_cap
,
1658 .vidioc_try_fmt_cap
= vidioc_try_fmt_cap
,
1659 .vidioc_s_fmt_cap
= vidioc_s_fmt_cap
,
1660 .vidioc_g_fmt_vbi
= cx8800_vbi_fmt
,
1661 .vidioc_try_fmt_vbi
= cx8800_vbi_fmt
,
1662 .vidioc_s_fmt_vbi
= cx8800_vbi_fmt
,
1663 .vidioc_reqbufs
= vidioc_reqbufs
,
1664 .vidioc_querybuf
= vidioc_querybuf
,
1665 .vidioc_qbuf
= vidioc_qbuf
,
1666 .vidioc_dqbuf
= vidioc_dqbuf
,
1667 .vidioc_s_std
= vidioc_s_std
,
1668 .vidioc_enum_input
= vidioc_enum_input
,
1669 .vidioc_g_input
= vidioc_g_input
,
1670 .vidioc_s_input
= vidioc_s_input
,
1671 .vidioc_queryctrl
= vidioc_queryctrl
,
1672 .vidioc_g_ctrl
= vidioc_g_ctrl
,
1673 .vidioc_s_ctrl
= vidioc_s_ctrl
,
1674 .vidioc_streamon
= vidioc_streamon
,
1675 .vidioc_streamoff
= vidioc_streamoff
,
1676 #ifdef CONFIG_VIDEO_V4L1_COMPAT
1677 .vidiocgmbuf
= vidiocgmbuf
,
1679 .vidioc_g_tuner
= vidioc_g_tuner
,
1680 .vidioc_s_tuner
= vidioc_s_tuner
,
1681 .vidioc_g_frequency
= vidioc_g_frequency
,
1682 .vidioc_s_frequency
= vidioc_s_frequency
,
1683 #ifdef CONFIG_VIDEO_ADV_DEBUG
1684 .vidioc_g_register
= vidioc_g_register
,
1685 .vidioc_s_register
= vidioc_s_register
,
1687 .tvnorms
= CX88_NORMS
,
1688 .current_norm
= V4L2_STD_NTSC_M
,
1691 static const struct file_operations radio_fops
=
1693 .owner
= THIS_MODULE
,
1695 .release
= video_release
,
1696 .ioctl
= video_ioctl2
,
1697 .compat_ioctl
= v4l_compat_ioctl32
,
1698 .llseek
= no_llseek
,
1701 static struct video_device cx8800_radio_template
=
1703 .name
= "cx8800-radio",
1704 .type
= VID_TYPE_TUNER
,
1706 .fops
= &radio_fops
,
1708 .vidioc_querycap
= radio_querycap
,
1709 .vidioc_g_tuner
= radio_g_tuner
,
1710 .vidioc_enum_input
= radio_enum_input
,
1711 .vidioc_g_audio
= radio_g_audio
,
1712 .vidioc_s_tuner
= radio_s_tuner
,
1713 .vidioc_s_audio
= radio_s_audio
,
1714 .vidioc_s_input
= radio_s_input
,
1715 .vidioc_queryctrl
= radio_queryctrl
,
1716 .vidioc_g_ctrl
= vidioc_g_ctrl
,
1717 .vidioc_s_ctrl
= vidioc_s_ctrl
,
1718 .vidioc_g_frequency
= vidioc_g_frequency
,
1719 .vidioc_s_frequency
= vidioc_s_frequency
,
1722 /* ----------------------------------------------------------- */
1724 static void cx8800_unregister_video(struct cx8800_dev
*dev
)
1726 if (dev
->radio_dev
) {
1727 if (-1 != dev
->radio_dev
->minor
)
1728 video_unregister_device(dev
->radio_dev
);
1730 video_device_release(dev
->radio_dev
);
1731 dev
->radio_dev
= NULL
;
1734 if (-1 != dev
->vbi_dev
->minor
)
1735 video_unregister_device(dev
->vbi_dev
);
1737 video_device_release(dev
->vbi_dev
);
1738 dev
->vbi_dev
= NULL
;
1740 if (dev
->video_dev
) {
1741 if (-1 != dev
->video_dev
->minor
)
1742 video_unregister_device(dev
->video_dev
);
1744 video_device_release(dev
->video_dev
);
1745 dev
->video_dev
= NULL
;
1749 static int __devinit
cx8800_initdev(struct pci_dev
*pci_dev
,
1750 const struct pci_device_id
*pci_id
)
1752 struct cx8800_dev
*dev
;
1753 struct cx88_core
*core
;
1757 dev
= kzalloc(sizeof(*dev
),GFP_KERNEL
);
1763 if (pci_enable_device(pci_dev
)) {
1767 core
= cx88_core_get(dev
->pci
);
1774 /* print pci info */
1775 pci_read_config_byte(pci_dev
, PCI_CLASS_REVISION
, &dev
->pci_rev
);
1776 pci_read_config_byte(pci_dev
, PCI_LATENCY_TIMER
, &dev
->pci_lat
);
1777 printk(KERN_INFO
"%s/0: found at %s, rev: %d, irq: %d, "
1778 "latency: %d, mmio: 0x%llx\n", core
->name
,
1779 pci_name(pci_dev
), dev
->pci_rev
, pci_dev
->irq
,
1780 dev
->pci_lat
,(unsigned long long)pci_resource_start(pci_dev
,0));
1782 pci_set_master(pci_dev
);
1783 if (!pci_dma_supported(pci_dev
,DMA_32BIT_MASK
)) {
1784 printk("%s/0: Oops: no 32bit PCI DMA ???\n",core
->name
);
1789 /* Initialize VBI template */
1790 memcpy( &cx8800_vbi_template
, &cx8800_video_template
,
1791 sizeof(cx8800_vbi_template
) );
1792 strcpy(cx8800_vbi_template
.name
,"cx8800-vbi");
1793 cx8800_vbi_template
.type
= VID_TYPE_TELETEXT
|VID_TYPE_TUNER
;
1795 /* initialize driver struct */
1796 spin_lock_init(&dev
->slock
);
1797 core
->tvnorm
= cx8800_video_template
.current_norm
;
1799 /* init video dma queues */
1800 INIT_LIST_HEAD(&dev
->vidq
.active
);
1801 INIT_LIST_HEAD(&dev
->vidq
.queued
);
1802 dev
->vidq
.timeout
.function
= cx8800_vid_timeout
;
1803 dev
->vidq
.timeout
.data
= (unsigned long)dev
;
1804 init_timer(&dev
->vidq
.timeout
);
1805 cx88_risc_stopper(dev
->pci
,&dev
->vidq
.stopper
,
1806 MO_VID_DMACNTRL
,0x11,0x00);
1808 /* init vbi dma queues */
1809 INIT_LIST_HEAD(&dev
->vbiq
.active
);
1810 INIT_LIST_HEAD(&dev
->vbiq
.queued
);
1811 dev
->vbiq
.timeout
.function
= cx8800_vbi_timeout
;
1812 dev
->vbiq
.timeout
.data
= (unsigned long)dev
;
1813 init_timer(&dev
->vbiq
.timeout
);
1814 cx88_risc_stopper(dev
->pci
,&dev
->vbiq
.stopper
,
1815 MO_VID_DMACNTRL
,0x88,0x00);
1818 err
= request_irq(pci_dev
->irq
, cx8800_irq
,
1819 IRQF_SHARED
| IRQF_DISABLED
, core
->name
, dev
);
1821 printk(KERN_ERR
"%s: can't get IRQ %d\n",
1822 core
->name
,pci_dev
->irq
);
1825 cx_set(MO_PCI_INTMSK
, core
->pci_irqmask
);
1827 /* load and configure helper modules */
1828 if (TUNER_ABSENT
!= core
->tuner_type
)
1829 request_module("tuner");
1831 if (cx88_boards
[ core
->board
].audio_chip
== AUDIO_CHIP_WM8775
)
1832 request_module("wm8775");
1834 /* register v4l devices */
1835 dev
->video_dev
= cx88_vdev_init(core
,dev
->pci
,
1836 &cx8800_video_template
,"video");
1837 err
= video_register_device(dev
->video_dev
,VFL_TYPE_GRABBER
,
1838 video_nr
[core
->nr
]);
1840 printk(KERN_INFO
"%s: can't register video device\n",
1844 printk(KERN_INFO
"%s/0: registered device video%d [v4l2]\n",
1845 core
->name
,dev
->video_dev
->minor
& 0x1f);
1847 dev
->vbi_dev
= cx88_vdev_init(core
,dev
->pci
,&cx8800_vbi_template
,"vbi");
1848 err
= video_register_device(dev
->vbi_dev
,VFL_TYPE_VBI
,
1851 printk(KERN_INFO
"%s/0: can't register vbi device\n",
1855 printk(KERN_INFO
"%s/0: registered device vbi%d\n",
1856 core
->name
,dev
->vbi_dev
->minor
& 0x1f);
1858 if (core
->has_radio
) {
1859 dev
->radio_dev
= cx88_vdev_init(core
,dev
->pci
,
1860 &cx8800_radio_template
,"radio");
1861 err
= video_register_device(dev
->radio_dev
,VFL_TYPE_RADIO
,
1862 radio_nr
[core
->nr
]);
1864 printk(KERN_INFO
"%s/0: can't register radio device\n",
1868 printk(KERN_INFO
"%s/0: registered device radio%d\n",
1869 core
->name
,dev
->radio_dev
->minor
& 0x1f);
1872 /* everything worked */
1873 list_add_tail(&dev
->devlist
,&cx8800_devlist
);
1874 pci_set_drvdata(pci_dev
,dev
);
1876 /* initial device configuration */
1877 mutex_lock(&core
->lock
);
1878 cx88_set_tvnorm(core
,core
->tvnorm
);
1879 init_controls(core
);
1880 cx88_video_mux(core
,0);
1881 mutex_unlock(&core
->lock
);
1883 /* start tvaudio thread */
1884 if (core
->tuner_type
!= TUNER_ABSENT
)
1885 core
->kthread
= kthread_run(cx88_audio_thread
, core
, "cx88 tvaudio");
1889 cx8800_unregister_video(dev
);
1890 free_irq(pci_dev
->irq
, dev
);
1892 cx88_core_put(core
,dev
->pci
);
1898 static void __devexit
cx8800_finidev(struct pci_dev
*pci_dev
)
1900 struct cx8800_dev
*dev
= pci_get_drvdata(pci_dev
);
1901 struct cx88_core
*core
= dev
->core
;
1904 if (core
->kthread
) {
1905 kthread_stop(core
->kthread
);
1906 core
->kthread
= NULL
;
1909 cx88_shutdown(core
); /* FIXME */
1910 pci_disable_device(pci_dev
);
1912 /* unregister stuff */
1914 free_irq(pci_dev
->irq
, dev
);
1915 cx8800_unregister_video(dev
);
1916 pci_set_drvdata(pci_dev
, NULL
);
1919 btcx_riscmem_free(dev
->pci
,&dev
->vidq
.stopper
);
1920 list_del(&dev
->devlist
);
1921 cx88_core_put(core
,dev
->pci
);
1926 static int cx8800_suspend(struct pci_dev
*pci_dev
, pm_message_t state
)
1928 struct cx8800_dev
*dev
= pci_get_drvdata(pci_dev
);
1929 struct cx88_core
*core
= dev
->core
;
1931 /* stop video+vbi capture */
1932 spin_lock(&dev
->slock
);
1933 if (!list_empty(&dev
->vidq
.active
)) {
1934 printk("%s: suspend video\n", core
->name
);
1935 stop_video_dma(dev
);
1936 del_timer(&dev
->vidq
.timeout
);
1938 if (!list_empty(&dev
->vbiq
.active
)) {
1939 printk("%s: suspend vbi\n", core
->name
);
1940 cx8800_stop_vbi_dma(dev
);
1941 del_timer(&dev
->vbiq
.timeout
);
1943 spin_unlock(&dev
->slock
);
1945 /* FIXME -- shutdown device */
1946 cx88_shutdown(core
);
1948 pci_save_state(pci_dev
);
1949 if (0 != pci_set_power_state(pci_dev
, pci_choose_state(pci_dev
, state
))) {
1950 pci_disable_device(pci_dev
);
1951 dev
->state
.disabled
= 1;
1956 static int cx8800_resume(struct pci_dev
*pci_dev
)
1958 struct cx8800_dev
*dev
= pci_get_drvdata(pci_dev
);
1959 struct cx88_core
*core
= dev
->core
;
1962 if (dev
->state
.disabled
) {
1963 err
=pci_enable_device(pci_dev
);
1965 printk(KERN_ERR
"%s: can't enable device\n",
1970 dev
->state
.disabled
= 0;
1972 err
= pci_set_power_state(pci_dev
, PCI_D0
);
1974 printk(KERN_ERR
"%s: can't enable device\n",
1977 pci_disable_device(pci_dev
);
1978 dev
->state
.disabled
= 1;
1982 pci_restore_state(pci_dev
);
1984 /* FIXME: re-initialize hardware */
1987 /* restart video+vbi capture */
1988 spin_lock(&dev
->slock
);
1989 if (!list_empty(&dev
->vidq
.active
)) {
1990 printk("%s: resume video\n", core
->name
);
1991 restart_video_queue(dev
,&dev
->vidq
);
1993 if (!list_empty(&dev
->vbiq
.active
)) {
1994 printk("%s: resume vbi\n", core
->name
);
1995 cx8800_restart_vbi_queue(dev
,&dev
->vbiq
);
1997 spin_unlock(&dev
->slock
);
2003 /* ----------------------------------------------------------- */
2005 static struct pci_device_id cx8800_pci_tbl
[] = {
2009 .subvendor
= PCI_ANY_ID
,
2010 .subdevice
= PCI_ANY_ID
,
2012 /* --- end of list --- */
2015 MODULE_DEVICE_TABLE(pci
, cx8800_pci_tbl
);
2017 static struct pci_driver cx8800_pci_driver
= {
2019 .id_table
= cx8800_pci_tbl
,
2020 .probe
= cx8800_initdev
,
2021 .remove
= __devexit_p(cx8800_finidev
),
2023 .suspend
= cx8800_suspend
,
2024 .resume
= cx8800_resume
,
2028 static int cx8800_init(void)
2030 printk(KERN_INFO
"cx2388x v4l2 driver version %d.%d.%d loaded\n",
2031 (CX88_VERSION_CODE
>> 16) & 0xff,
2032 (CX88_VERSION_CODE
>> 8) & 0xff,
2033 CX88_VERSION_CODE
& 0xff);
2035 printk(KERN_INFO
"cx2388x: snapshot date %04d-%02d-%02d\n",
2036 SNAPSHOT
/10000, (SNAPSHOT
/100)%100, SNAPSHOT
%100);
2038 return pci_register_driver(&cx8800_pci_driver
);
2041 static void cx8800_fini(void)
2043 pci_unregister_driver(&cx8800_pci_driver
);
2046 module_init(cx8800_init
);
2047 module_exit(cx8800_fini
);
2049 /* ----------------------------------------------------------- */
2054 * kate: eol "unix"; indent-width 3; remove-trailing-space on; replace-trailing-space-save on; tab-width 8; replace-tabs off; space-indent off; mixed-indent off