4 * device driver for Conexant 2388x based TV cards
5 * video4linux video interface
7 * (c) 2003-04 Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]
9 * (c) 2005-2006 Mauro Carvalho Chehab <mchehab@infradead.org>
10 * - Multituner support
11 * - video_ioctl2 conversion
14 * This program is free software; you can redistribute it and/or modify
15 * it under the terms of the GNU General Public License as published by
16 * the Free Software Foundation; either version 2 of the License, or
17 * (at your option) any later version.
19 * This program is distributed in the hope that it will be useful,
20 * but WITHOUT ANY WARRANTY; without even the implied warranty of
21 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
22 * GNU General Public License for more details.
24 * You should have received a copy of the GNU General Public License
25 * along with this program; if not, write to the Free Software
26 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
29 #include <linux/init.h>
30 #include <linux/list.h>
31 #include <linux/module.h>
32 #include <linux/moduleparam.h>
33 #include <linux/kmod.h>
34 #include <linux/kernel.h>
35 #include <linux/slab.h>
36 #include <linux/interrupt.h>
37 #include <linux/delay.h>
38 #include <linux/kthread.h>
39 #include <asm/div64.h>
42 #include <media/v4l2-common.h>
44 #ifdef CONFIG_VIDEO_V4L1_COMPAT
45 /* Include V4L1 specific functions. Should be removed soon */
46 #include <linux/videodev.h>
49 MODULE_DESCRIPTION("v4l2 driver module for cx2388x based TV cards");
50 MODULE_AUTHOR("Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]");
51 MODULE_LICENSE("GPL");
53 /* ------------------------------------------------------------------ */
55 static unsigned int video_nr[] = {[0 ... (CX88_MAXBOARDS - 1)] = UNSET };
56 static unsigned int vbi_nr[] = {[0 ... (CX88_MAXBOARDS - 1)] = UNSET };
57 static unsigned int radio_nr[] = {[0 ... (CX88_MAXBOARDS - 1)] = UNSET };
59 module_param_array(video_nr, int, NULL, 0444);
60 module_param_array(vbi_nr, int, NULL, 0444);
61 module_param_array(radio_nr, int, NULL, 0444);
63 MODULE_PARM_DESC(video_nr,"video device numbers");
64 MODULE_PARM_DESC(vbi_nr,"vbi device numbers");
65 MODULE_PARM_DESC(radio_nr,"radio device numbers");
67 static unsigned int video_debug = 0;
68 module_param(video_debug,int,0644);
69 MODULE_PARM_DESC(video_debug,"enable debug messages [video]");
71 static unsigned int irq_debug = 0;
72 module_param(irq_debug,int,0644);
73 MODULE_PARM_DESC(irq_debug,"enable debug messages [IRQ handler]");
75 static unsigned int vid_limit = 16;
76 module_param(vid_limit,int,0644);
77 MODULE_PARM_DESC(vid_limit,"capture memory limit in megabytes");
79 #define dprintk(level,fmt, arg...) if (video_debug >= level) \
80 printk(KERN_DEBUG "%s/0: " fmt, core->name , ## arg)
82 /* ------------------------------------------------------------------ */
84 static LIST_HEAD(cx8800_devlist);
86 /* ------------------------------------------------------------------- */
89 static struct cx8800_fmt formats[] = {
91 .name = "8 bpp, gray",
92 .fourcc = V4L2_PIX_FMT_GREY,
93 .cxformat = ColorFormatY8,
95 .flags = FORMAT_FLAGS_PACKED,
97 .name = "15 bpp RGB, le",
98 .fourcc = V4L2_PIX_FMT_RGB555,
99 .cxformat = ColorFormatRGB15,
101 .flags = FORMAT_FLAGS_PACKED,
103 .name = "15 bpp RGB, be",
104 .fourcc = V4L2_PIX_FMT_RGB555X,
105 .cxformat = ColorFormatRGB15 | ColorFormatBSWAP,
107 .flags = FORMAT_FLAGS_PACKED,
109 .name = "16 bpp RGB, le",
110 .fourcc = V4L2_PIX_FMT_RGB565,
111 .cxformat = ColorFormatRGB16,
113 .flags = FORMAT_FLAGS_PACKED,
115 .name = "16 bpp RGB, be",
116 .fourcc = V4L2_PIX_FMT_RGB565X,
117 .cxformat = ColorFormatRGB16 | ColorFormatBSWAP,
119 .flags = FORMAT_FLAGS_PACKED,
121 .name = "24 bpp RGB, le",
122 .fourcc = V4L2_PIX_FMT_BGR24,
123 .cxformat = ColorFormatRGB24,
125 .flags = FORMAT_FLAGS_PACKED,
127 .name = "32 bpp RGB, le",
128 .fourcc = V4L2_PIX_FMT_BGR32,
129 .cxformat = ColorFormatRGB32,
131 .flags = FORMAT_FLAGS_PACKED,
133 .name = "32 bpp RGB, be",
134 .fourcc = V4L2_PIX_FMT_RGB32,
135 .cxformat = ColorFormatRGB32 | ColorFormatBSWAP | ColorFormatWSWAP,
137 .flags = FORMAT_FLAGS_PACKED,
139 .name = "4:2:2, packed, YUYV",
140 .fourcc = V4L2_PIX_FMT_YUYV,
141 .cxformat = ColorFormatYUY2,
143 .flags = FORMAT_FLAGS_PACKED,
145 .name = "4:2:2, packed, UYVY",
146 .fourcc = V4L2_PIX_FMT_UYVY,
147 .cxformat = ColorFormatYUY2 | ColorFormatBSWAP,
149 .flags = FORMAT_FLAGS_PACKED,
153 static struct cx8800_fmt* format_by_fourcc(unsigned int fourcc)
157 for (i = 0; i < ARRAY_SIZE(formats); i++)
158 if (formats[i].fourcc == fourcc)
163 /* ------------------------------------------------------------------- */
165 static const struct v4l2_queryctrl no_ctl = {
167 .flags = V4L2_CTRL_FLAG_DISABLED,
170 static struct cx88_ctrl cx8800_ctls[] = {
174 .id = V4L2_CID_BRIGHTNESS,
175 .name = "Brightness",
179 .default_value = 0x7f,
180 .type = V4L2_CTRL_TYPE_INTEGER,
183 .reg = MO_CONTR_BRIGHT,
188 .id = V4L2_CID_CONTRAST,
193 .default_value = 0x3f,
194 .type = V4L2_CTRL_TYPE_INTEGER,
197 .reg = MO_CONTR_BRIGHT,
207 .default_value = 0x7f,
208 .type = V4L2_CTRL_TYPE_INTEGER,
215 /* strictly, this only describes only U saturation.
216 * V saturation is handled specially through code.
219 .id = V4L2_CID_SATURATION,
220 .name = "Saturation",
224 .default_value = 0x7f,
225 .type = V4L2_CTRL_TYPE_INTEGER,
228 .reg = MO_UV_SATURATION,
234 .id = V4L2_CID_AUDIO_MUTE,
239 .type = V4L2_CTRL_TYPE_BOOLEAN,
242 .sreg = SHADOW_AUD_VOL_CTL,
247 .id = V4L2_CID_AUDIO_VOLUME,
252 .default_value = 0x3f,
253 .type = V4L2_CTRL_TYPE_INTEGER,
256 .sreg = SHADOW_AUD_VOL_CTL,
261 .id = V4L2_CID_AUDIO_BALANCE,
266 .default_value = 0x40,
267 .type = V4L2_CTRL_TYPE_INTEGER,
270 .sreg = SHADOW_AUD_BAL_CTL,
275 static const int CX8800_CTLS = ARRAY_SIZE(cx8800_ctls);
277 const u32 cx88_user_ctrls[] = {
283 V4L2_CID_AUDIO_VOLUME,
284 V4L2_CID_AUDIO_BALANCE,
288 EXPORT_SYMBOL(cx88_user_ctrls);
290 static const u32 *ctrl_classes[] = {
295 int cx8800_ctrl_query(struct v4l2_queryctrl *qctrl)
299 if (qctrl->id < V4L2_CID_BASE ||
300 qctrl->id >= V4L2_CID_LASTP1)
302 for (i = 0; i < CX8800_CTLS; i++)
303 if (cx8800_ctls[i].v.id == qctrl->id)
305 if (i == CX8800_CTLS) {
309 *qctrl = cx8800_ctls[i].v;
312 EXPORT_SYMBOL(cx8800_ctrl_query);
314 /* ------------------------------------------------------------------- */
315 /* resource management */
317 static int res_get(struct cx8800_dev *dev, struct cx8800_fh *fh, unsigned int bit)
319 struct cx88_core *core = dev->core;
320 if (fh->resources & bit)
321 /* have it already allocated */
325 mutex_lock(&core->lock);
326 if (dev->resources & bit) {
327 /* no, someone else uses it */
328 mutex_unlock(&core->lock);
331 /* it's free, grab it */
332 fh->resources |= bit;
333 dev->resources |= bit;
334 dprintk(1,"res: get %d\n",bit);
335 mutex_unlock(&core->lock);
340 int res_check(struct cx8800_fh *fh, unsigned int bit)
342 return (fh->resources & bit);
346 int res_locked(struct cx8800_dev *dev, unsigned int bit)
348 return (dev->resources & bit);
352 void res_free(struct cx8800_dev *dev, struct cx8800_fh *fh, unsigned int bits)
354 struct cx88_core *core = dev->core;
355 BUG_ON((fh->resources & bits) != bits);
357 mutex_lock(&core->lock);
358 fh->resources &= ~bits;
359 dev->resources &= ~bits;
360 dprintk(1,"res: put %d\n",bits);
361 mutex_unlock(&core->lock);
364 /* ------------------------------------------------------------------ */
366 int cx88_video_mux(struct cx88_core *core, unsigned int input)
368 /* struct cx88_core *core = dev->core; */
370 dprintk(1,"video_mux: %d [vmux=%d,gpio=0x%x,0x%x,0x%x,0x%x]\n",
371 input, INPUT(input)->vmux,
372 INPUT(input)->gpio0,INPUT(input)->gpio1,
373 INPUT(input)->gpio2,INPUT(input)->gpio3);
375 cx_andor(MO_INPUT_FORMAT, 0x03 << 14, INPUT(input)->vmux << 14);
376 cx_write(MO_GP3_IO, INPUT(input)->gpio3);
377 cx_write(MO_GP0_IO, INPUT(input)->gpio0);
378 cx_write(MO_GP1_IO, INPUT(input)->gpio1);
379 cx_write(MO_GP2_IO, INPUT(input)->gpio2);
381 switch (INPUT(input)->type) {
382 case CX88_VMUX_SVIDEO:
383 cx_set(MO_AFECFG_IO, 0x00000001);
384 cx_set(MO_INPUT_FORMAT, 0x00010010);
385 cx_set(MO_FILTER_EVEN, 0x00002020);
386 cx_set(MO_FILTER_ODD, 0x00002020);
389 cx_clear(MO_AFECFG_IO, 0x00000001);
390 cx_clear(MO_INPUT_FORMAT, 0x00010010);
391 cx_clear(MO_FILTER_EVEN, 0x00002020);
392 cx_clear(MO_FILTER_ODD, 0x00002020);
396 if (cx88_boards[core->board].mpeg & CX88_MPEG_BLACKBIRD) {
397 /* sets sound input from external adc */
398 if (INPUT(input)->extadc)
399 cx_set(AUD_CTL, EN_I2SIN_ENABLE);
401 cx_clear(AUD_CTL, EN_I2SIN_ENABLE);
405 EXPORT_SYMBOL(cx88_video_mux);
407 /* ------------------------------------------------------------------ */
409 static int start_video_dma(struct cx8800_dev *dev,
410 struct cx88_dmaqueue *q,
411 struct cx88_buffer *buf)
413 struct cx88_core *core = dev->core;
415 /* setup fifo + format */
416 cx88_sram_channel_setup(core, &cx88_sram_channels[SRAM_CH21],
417 buf->bpl, buf->risc.dma);
418 cx88_set_scale(core, buf->vb.width, buf->vb.height, buf->vb.field);
419 cx_write(MO_COLOR_CTRL, buf->fmt->cxformat | ColorFormatGamma);
422 cx_write(MO_VIDY_GPCNTRL,GP_COUNT_CONTROL_RESET);
426 cx_set(MO_PCI_INTMSK, core->pci_irqmask | 0x01);
428 /* Enables corresponding bits at PCI_INT_STAT:
429 bits 0 to 4: video, audio, transport stream, VIP, Host
431 bits 8 and 9: DMA complete for: SRC, DST
432 bits 10 and 11: BERR signal asserted for RISC: RD, WR
433 bits 12 to 15: BERR signal asserted for: BRDG, SRC, DST, IPB
435 cx_set(MO_VID_INTMSK, 0x0f0011);
438 cx_set(VID_CAPTURE_CONTROL,0x06);
441 cx_set(MO_DEV_CNTRL2, (1<<5));
442 cx_set(MO_VID_DMACNTRL, 0x11); /* Planar Y and packed FIFO and RISC enable */
448 static int stop_video_dma(struct cx8800_dev *dev)
450 struct cx88_core *core = dev->core;
453 cx_clear(MO_VID_DMACNTRL, 0x11);
455 /* disable capture */
456 cx_clear(VID_CAPTURE_CONTROL,0x06);
459 cx_clear(MO_PCI_INTMSK, 0x000001);
460 cx_clear(MO_VID_INTMSK, 0x0f0011);
465 static int restart_video_queue(struct cx8800_dev *dev,
466 struct cx88_dmaqueue *q)
468 struct cx88_core *core = dev->core;
469 struct cx88_buffer *buf, *prev;
470 struct list_head *item;
472 if (!list_empty(&q->active)) {
473 buf = list_entry(q->active.next, struct cx88_buffer, vb.queue);
474 dprintk(2,"restart_queue [%p/%d]: restart dma\n",
476 start_video_dma(dev, q, buf);
477 list_for_each(item,&q->active) {
478 buf = list_entry(item, struct cx88_buffer, vb.queue);
479 buf->count = q->count++;
481 mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT);
487 if (list_empty(&q->queued))
489 buf = list_entry(q->queued.next, struct cx88_buffer, vb.queue);
491 list_move_tail(&buf->vb.queue, &q->active);
492 start_video_dma(dev, q, buf);
493 buf->vb.state = STATE_ACTIVE;
494 buf->count = q->count++;
495 mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT);
496 dprintk(2,"[%p/%d] restart_queue - first active\n",
499 } else if (prev->vb.width == buf->vb.width &&
500 prev->vb.height == buf->vb.height &&
501 prev->fmt == buf->fmt) {
502 list_move_tail(&buf->vb.queue, &q->active);
503 buf->vb.state = STATE_ACTIVE;
504 buf->count = q->count++;
505 prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma);
506 dprintk(2,"[%p/%d] restart_queue - move to active\n",
515 /* ------------------------------------------------------------------ */
518 buffer_setup(struct videobuf_queue *q, unsigned int *count, unsigned int *size)
520 struct cx8800_fh *fh = q->priv_data;
522 *size = fh->fmt->depth*fh->width*fh->height >> 3;
525 while (*size * *count > vid_limit * 1024 * 1024)
531 buffer_prepare(struct videobuf_queue *q, struct videobuf_buffer *vb,
532 enum v4l2_field field)
534 struct cx8800_fh *fh = q->priv_data;
535 struct cx8800_dev *dev = fh->dev;
536 struct cx88_core *core = dev->core;
537 struct cx88_buffer *buf = container_of(vb,struct cx88_buffer,vb);
538 int rc, init_buffer = 0;
540 BUG_ON(NULL == fh->fmt);
541 if (fh->width < 48 || fh->width > norm_maxw(core->tvnorm) ||
542 fh->height < 32 || fh->height > norm_maxh(core->tvnorm))
544 buf->vb.size = (fh->width * fh->height * fh->fmt->depth) >> 3;
545 if (0 != buf->vb.baddr && buf->vb.bsize < buf->vb.size)
548 if (buf->fmt != fh->fmt ||
549 buf->vb.width != fh->width ||
550 buf->vb.height != fh->height ||
551 buf->vb.field != field) {
553 buf->vb.width = fh->width;
554 buf->vb.height = fh->height;
555 buf->vb.field = field;
559 if (STATE_NEEDS_INIT == buf->vb.state) {
561 if (0 != (rc = videobuf_iolock(q,&buf->vb,NULL)))
566 buf->bpl = buf->vb.width * buf->fmt->depth >> 3;
567 switch (buf->vb.field) {
569 cx88_risc_buffer(dev->pci, &buf->risc,
570 buf->vb.dma.sglist, 0, UNSET,
571 buf->bpl, 0, buf->vb.height);
573 case V4L2_FIELD_BOTTOM:
574 cx88_risc_buffer(dev->pci, &buf->risc,
575 buf->vb.dma.sglist, UNSET, 0,
576 buf->bpl, 0, buf->vb.height);
578 case V4L2_FIELD_INTERLACED:
579 cx88_risc_buffer(dev->pci, &buf->risc,
580 buf->vb.dma.sglist, 0, buf->bpl,
582 buf->vb.height >> 1);
584 case V4L2_FIELD_SEQ_TB:
585 cx88_risc_buffer(dev->pci, &buf->risc,
587 0, buf->bpl * (buf->vb.height >> 1),
589 buf->vb.height >> 1);
591 case V4L2_FIELD_SEQ_BT:
592 cx88_risc_buffer(dev->pci, &buf->risc,
594 buf->bpl * (buf->vb.height >> 1), 0,
596 buf->vb.height >> 1);
602 dprintk(2,"[%p/%d] buffer_prepare - %dx%d %dbpp \"%s\" - dma=0x%08lx\n",
604 fh->width, fh->height, fh->fmt->depth, fh->fmt->name,
605 (unsigned long)buf->risc.dma);
607 buf->vb.state = STATE_PREPARED;
611 cx88_free_buffer(q,buf);
616 buffer_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb)
618 struct cx88_buffer *buf = container_of(vb,struct cx88_buffer,vb);
619 struct cx88_buffer *prev;
620 struct cx8800_fh *fh = vq->priv_data;
621 struct cx8800_dev *dev = fh->dev;
622 struct cx88_core *core = dev->core;
623 struct cx88_dmaqueue *q = &dev->vidq;
625 /* add jump to stopper */
626 buf->risc.jmp[0] = cpu_to_le32(RISC_JUMP | RISC_IRQ1 | RISC_CNT_INC);
627 buf->risc.jmp[1] = cpu_to_le32(q->stopper.dma);
629 if (!list_empty(&q->queued)) {
630 list_add_tail(&buf->vb.queue,&q->queued);
631 buf->vb.state = STATE_QUEUED;
632 dprintk(2,"[%p/%d] buffer_queue - append to queued\n",
635 } else if (list_empty(&q->active)) {
636 list_add_tail(&buf->vb.queue,&q->active);
637 start_video_dma(dev, q, buf);
638 buf->vb.state = STATE_ACTIVE;
639 buf->count = q->count++;
640 mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT);
641 dprintk(2,"[%p/%d] buffer_queue - first active\n",
645 prev = list_entry(q->active.prev, struct cx88_buffer, vb.queue);
646 if (prev->vb.width == buf->vb.width &&
647 prev->vb.height == buf->vb.height &&
648 prev->fmt == buf->fmt) {
649 list_add_tail(&buf->vb.queue,&q->active);
650 buf->vb.state = STATE_ACTIVE;
651 buf->count = q->count++;
652 prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma);
653 dprintk(2,"[%p/%d] buffer_queue - append to active\n",
657 list_add_tail(&buf->vb.queue,&q->queued);
658 buf->vb.state = STATE_QUEUED;
659 dprintk(2,"[%p/%d] buffer_queue - first queued\n",
665 static void buffer_release(struct videobuf_queue *q, struct videobuf_buffer *vb)
667 struct cx88_buffer *buf = container_of(vb,struct cx88_buffer,vb);
669 cx88_free_buffer(q,buf);
672 static struct videobuf_queue_ops cx8800_video_qops = {
673 .buf_setup = buffer_setup,
674 .buf_prepare = buffer_prepare,
675 .buf_queue = buffer_queue,
676 .buf_release = buffer_release,
679 /* ------------------------------------------------------------------ */
682 /* ------------------------------------------------------------------ */
684 static struct videobuf_queue* get_queue(struct cx8800_fh *fh)
687 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
689 case V4L2_BUF_TYPE_VBI_CAPTURE:
697 static int get_ressource(struct cx8800_fh *fh)
700 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
701 return RESOURCE_VIDEO;
702 case V4L2_BUF_TYPE_VBI_CAPTURE:
710 static int video_open(struct inode *inode, struct file *file)
712 int minor = iminor(inode);
713 struct cx8800_dev *h,*dev = NULL;
714 struct cx88_core *core;
715 struct cx8800_fh *fh;
716 struct list_head *list;
717 enum v4l2_buf_type type = 0;
720 list_for_each(list,&cx8800_devlist) {
721 h = list_entry(list, struct cx8800_dev, devlist);
722 if (h->video_dev->minor == minor) {
724 type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
726 if (h->vbi_dev->minor == minor) {
728 type = V4L2_BUF_TYPE_VBI_CAPTURE;
731 h->radio_dev->minor == minor) {
741 dprintk(1,"open minor=%d radio=%d type=%s\n",
742 minor,radio,v4l2_type_names[type]);
744 /* allocate + initialize per filehandle data */
745 fh = kzalloc(sizeof(*fh),GFP_KERNEL);
748 file->private_data = fh;
754 fh->fmt = format_by_fourcc(V4L2_PIX_FMT_BGR24);
756 videobuf_queue_init(&fh->vidq, &cx8800_video_qops,
757 dev->pci, &dev->slock,
758 V4L2_BUF_TYPE_VIDEO_CAPTURE,
759 V4L2_FIELD_INTERLACED,
760 sizeof(struct cx88_buffer),
762 videobuf_queue_init(&fh->vbiq, &cx8800_vbi_qops,
763 dev->pci, &dev->slock,
764 V4L2_BUF_TYPE_VBI_CAPTURE,
766 sizeof(struct cx88_buffer),
770 int board = core->board;
771 dprintk(1,"video_open: setting radio device\n");
772 cx_write(MO_GP3_IO, cx88_boards[board].radio.gpio3);
773 cx_write(MO_GP0_IO, cx88_boards[board].radio.gpio0);
774 cx_write(MO_GP1_IO, cx88_boards[board].radio.gpio1);
775 cx_write(MO_GP2_IO, cx88_boards[board].radio.gpio2);
776 core->tvaudio = WW_FM;
777 cx88_set_tvaudio(core);
778 cx88_set_stereo(core,V4L2_TUNER_MODE_STEREO,1);
779 cx88_call_i2c_clients(core,AUDC_SET_RADIO,NULL);
786 video_read(struct file *file, char __user *data, size_t count, loff_t *ppos)
788 struct cx8800_fh *fh = file->private_data;
791 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
792 if (res_locked(fh->dev,RESOURCE_VIDEO))
794 return videobuf_read_one(&fh->vidq, data, count, ppos,
795 file->f_flags & O_NONBLOCK);
796 case V4L2_BUF_TYPE_VBI_CAPTURE:
797 if (!res_get(fh->dev,fh,RESOURCE_VBI))
799 return videobuf_read_stream(&fh->vbiq, data, count, ppos, 1,
800 file->f_flags & O_NONBLOCK);
808 video_poll(struct file *file, struct poll_table_struct *wait)
810 struct cx8800_fh *fh = file->private_data;
811 struct cx88_buffer *buf;
813 if (V4L2_BUF_TYPE_VBI_CAPTURE == fh->type) {
814 if (!res_get(fh->dev,fh,RESOURCE_VBI))
816 return videobuf_poll_stream(file, &fh->vbiq, wait);
819 if (res_check(fh,RESOURCE_VIDEO)) {
820 /* streaming capture */
821 if (list_empty(&fh->vidq.stream))
823 buf = list_entry(fh->vidq.stream.next,struct cx88_buffer,vb.stream);
826 buf = (struct cx88_buffer*)fh->vidq.read_buf;
830 poll_wait(file, &buf->vb.done, wait);
831 if (buf->vb.state == STATE_DONE ||
832 buf->vb.state == STATE_ERROR)
833 return POLLIN|POLLRDNORM;
837 static int video_release(struct inode *inode, struct file *file)
839 struct cx8800_fh *fh = file->private_data;
840 struct cx8800_dev *dev = fh->dev;
842 /* turn off overlay */
843 if (res_check(fh, RESOURCE_OVERLAY)) {
845 res_free(dev,fh,RESOURCE_OVERLAY);
848 /* stop video capture */
849 if (res_check(fh, RESOURCE_VIDEO)) {
850 videobuf_queue_cancel(&fh->vidq);
851 res_free(dev,fh,RESOURCE_VIDEO);
853 if (fh->vidq.read_buf) {
854 buffer_release(&fh->vidq,fh->vidq.read_buf);
855 kfree(fh->vidq.read_buf);
858 /* stop vbi capture */
859 if (res_check(fh, RESOURCE_VBI)) {
860 if (fh->vbiq.streaming)
861 videobuf_streamoff(&fh->vbiq);
862 if (fh->vbiq.reading)
863 videobuf_read_stop(&fh->vbiq);
864 res_free(dev,fh,RESOURCE_VBI);
867 videobuf_mmap_free(&fh->vidq);
868 videobuf_mmap_free(&fh->vbiq);
869 file->private_data = NULL;
872 cx88_call_i2c_clients (dev->core, TUNER_SET_STANDBY, NULL);
878 video_mmap(struct file *file, struct vm_area_struct * vma)
880 struct cx8800_fh *fh = file->private_data;
882 return videobuf_mmap_mapper(get_queue(fh), vma);
885 /* ------------------------------------------------------------------ */
886 /* VIDEO CTRL IOCTLS */
888 int cx88_get_control (struct cx88_core *core, struct v4l2_control *ctl)
890 struct cx88_ctrl *c = NULL;
894 for (i = 0; i < CX8800_CTLS; i++)
895 if (cx8800_ctls[i].v.id == ctl->id)
897 if (unlikely(NULL == c))
900 value = c->sreg ? cx_sread(c->sreg) : cx_read(c->reg);
902 case V4L2_CID_AUDIO_BALANCE:
903 ctl->value = ((value & 0x7f) < 0x40) ? ((value & 0x7f) + 0x40)
904 : (0x7f - (value & 0x7f));
906 case V4L2_CID_AUDIO_VOLUME:
907 ctl->value = 0x3f - (value & 0x3f);
910 ctl->value = ((value + (c->off << c->shift)) & c->mask) >> c->shift;
913 dprintk(1,"get_control id=0x%X(%s) ctrl=0x%02x, reg=0x%02x val=0x%02x (mask 0x%02x)%s\n",
914 ctl->id, c->v.name, ctl->value, c->reg,
915 value,c->mask, c->sreg ? " [shadowed]" : "");
918 EXPORT_SYMBOL(cx88_get_control);
920 int cx88_set_control(struct cx88_core *core, struct v4l2_control *ctl)
922 struct cx88_ctrl *c = NULL;
926 for (i = 0; i < CX8800_CTLS; i++) {
927 if (cx8800_ctls[i].v.id == ctl->id) {
931 if (unlikely(NULL == c))
934 if (ctl->value < c->v.minimum)
935 ctl->value = c->v.minimum;
936 if (ctl->value > c->v.maximum)
937 ctl->value = c->v.maximum;
940 case V4L2_CID_AUDIO_BALANCE:
941 value = (ctl->value < 0x40) ? (0x7f - ctl->value) : (ctl->value - 0x40);
943 case V4L2_CID_AUDIO_VOLUME:
944 value = 0x3f - (ctl->value & 0x3f);
946 case V4L2_CID_SATURATION:
947 /* special v_sat handling */
949 value = ((ctl->value - c->off) << c->shift) & c->mask;
951 if (core->tvnorm & V4L2_STD_SECAM) {
952 /* For SECAM, both U and V sat should be equal */
953 value=value<<8|value;
955 /* Keeps U Saturation proportional to V Sat */
956 value=(value*0x5a)/0x7f<<8|value;
961 value = ((ctl->value - c->off) << c->shift) & c->mask;
964 dprintk(1,"set_control id=0x%X(%s) ctrl=0x%02x, reg=0x%02x val=0x%02x (mask 0x%02x)%s\n",
965 ctl->id, c->v.name, ctl->value, c->reg, value,
966 mask, c->sreg ? " [shadowed]" : "");
968 cx_sandor(c->sreg, c->reg, mask, value);
970 cx_andor(c->reg, mask, value);
974 EXPORT_SYMBOL(cx88_set_control);
976 static void init_controls(struct cx88_core *core)
978 struct v4l2_control ctrl;
981 for (i = 0; i < CX8800_CTLS; i++) {
982 ctrl.id=cx8800_ctls[i].v.id;
983 ctrl.value=cx8800_ctls[i].v.default_value;
985 cx88_set_control(core, &ctrl);
989 /* ------------------------------------------------------------------ */
992 static int vidioc_g_fmt_cap (struct file *file, void *priv,
993 struct v4l2_format *f)
995 struct cx8800_fh *fh = priv;
997 f->fmt.pix.width = fh->width;
998 f->fmt.pix.height = fh->height;
999 f->fmt.pix.field = fh->vidq.field;
1000 f->fmt.pix.pixelformat = fh->fmt->fourcc;
1001 f->fmt.pix.bytesperline =
1002 (f->fmt.pix.width * fh->fmt->depth) >> 3;
1003 f->fmt.pix.sizeimage =
1004 f->fmt.pix.height * f->fmt.pix.bytesperline;
1008 static int vidioc_try_fmt_cap (struct file *file, void *priv,
1009 struct v4l2_format *f)
1011 struct cx88_core *core = ((struct cx8800_fh *)priv)->dev->core;
1012 struct cx8800_fmt *fmt;
1013 enum v4l2_field field;
1014 unsigned int maxw, maxh;
1016 fmt = format_by_fourcc(f->fmt.pix.pixelformat);
1020 field = f->fmt.pix.field;
1021 maxw = norm_maxw(core->tvnorm);
1022 maxh = norm_maxh(core->tvnorm);
1024 if (V4L2_FIELD_ANY == field) {
1025 field = (f->fmt.pix.height > maxh/2)
1026 ? V4L2_FIELD_INTERLACED
1027 : V4L2_FIELD_BOTTOM;
1031 case V4L2_FIELD_TOP:
1032 case V4L2_FIELD_BOTTOM:
1035 case V4L2_FIELD_INTERLACED:
1041 f->fmt.pix.field = field;
1042 if (f->fmt.pix.height < 32)
1043 f->fmt.pix.height = 32;
1044 if (f->fmt.pix.height > maxh)
1045 f->fmt.pix.height = maxh;
1046 if (f->fmt.pix.width < 48)
1047 f->fmt.pix.width = 48;
1048 if (f->fmt.pix.width > maxw)
1049 f->fmt.pix.width = maxw;
1050 f->fmt.pix.width &= ~0x03;
1051 f->fmt.pix.bytesperline =
1052 (f->fmt.pix.width * fmt->depth) >> 3;
1053 f->fmt.pix.sizeimage =
1054 f->fmt.pix.height * f->fmt.pix.bytesperline;
1059 static int vidioc_s_fmt_cap (struct file *file, void *priv,
1060 struct v4l2_format *f)
1062 struct cx8800_fh *fh = priv;
1063 int err = vidioc_try_fmt_cap (file,priv,f);
1067 fh->fmt = format_by_fourcc(f->fmt.pix.pixelformat);
1068 fh->width = f->fmt.pix.width;
1069 fh->height = f->fmt.pix.height;
1070 fh->vidq.field = f->fmt.pix.field;
1074 static int vidioc_querycap (struct file *file, void *priv,
1075 struct v4l2_capability *cap)
1077 struct cx8800_dev *dev = ((struct cx8800_fh *)priv)->dev;
1078 struct cx88_core *core = dev->core;
1080 strcpy(cap->driver, "cx8800");
1081 strlcpy(cap->card, cx88_boards[core->board].name,
1083 sprintf(cap->bus_info,"PCI:%s",pci_name(dev->pci));
1084 cap->version = CX88_VERSION_CODE;
1086 V4L2_CAP_VIDEO_CAPTURE |
1087 V4L2_CAP_READWRITE |
1088 V4L2_CAP_STREAMING |
1089 V4L2_CAP_VBI_CAPTURE;
1090 if (UNSET != core->tuner_type)
1091 cap->capabilities |= V4L2_CAP_TUNER;
1095 static int vidioc_enum_fmt_cap (struct file *file, void *priv,
1096 struct v4l2_fmtdesc *f)
1098 if (unlikely(f->index >= ARRAY_SIZE(formats)))
1101 strlcpy(f->description,formats[f->index].name,sizeof(f->description));
1102 f->pixelformat = formats[f->index].fourcc;
1107 #ifdef CONFIG_VIDEO_V4L1_COMPAT
1108 static int vidiocgmbuf (struct file *file, void *priv, struct video_mbuf *mbuf)
1110 struct cx8800_fh *fh = priv;
1111 struct videobuf_queue *q;
1112 struct v4l2_requestbuffers req;
1117 memset(&req,0,sizeof(req));
1120 req.memory = V4L2_MEMORY_MMAP;
1121 err = videobuf_reqbufs(q,&req);
1125 mbuf->frames = req.count;
1127 for (i = 0; i < mbuf->frames; i++) {
1128 mbuf->offsets[i] = q->bufs[i]->boff;
1129 mbuf->size += q->bufs[i]->bsize;
1135 static int vidioc_reqbufs (struct file *file, void *priv, struct v4l2_requestbuffers *p)
1137 struct cx8800_fh *fh = priv;
1138 return (videobuf_reqbufs(get_queue(fh), p));
1141 static int vidioc_querybuf (struct file *file, void *priv, struct v4l2_buffer *p)
1143 struct cx8800_fh *fh = priv;
1144 return (videobuf_querybuf(get_queue(fh), p));
1147 static int vidioc_qbuf (struct file *file, void *priv, struct v4l2_buffer *p)
1149 struct cx8800_fh *fh = priv;
1150 return (videobuf_qbuf(get_queue(fh), p));
1153 static int vidioc_dqbuf (struct file *file, void *priv, struct v4l2_buffer *p)
1155 struct cx8800_fh *fh = priv;
1156 return (videobuf_dqbuf(get_queue(fh), p,
1157 file->f_flags & O_NONBLOCK));
1160 static int vidioc_streamon(struct file *file, void *priv, enum v4l2_buf_type i)
1162 struct cx8800_fh *fh = priv;
1163 struct cx8800_dev *dev = fh->dev;
1165 if (unlikely(fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE))
1167 if (unlikely(i != fh->type))
1170 if (unlikely(!res_get(dev,fh,get_ressource(fh))))
1172 return videobuf_streamon(get_queue(fh));
1175 static int vidioc_streamoff(struct file *file, void *priv, enum v4l2_buf_type i)
1177 struct cx8800_fh *fh = priv;
1178 struct cx8800_dev *dev = fh->dev;
1181 if (fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
1186 res = get_ressource(fh);
1187 err = videobuf_streamoff(get_queue(fh));
1190 res_free(dev,fh,res);
1194 static int vidioc_s_std (struct file *file, void *priv, v4l2_std_id *tvnorms)
1196 struct cx88_core *core = ((struct cx8800_fh *)priv)->dev->core;
1198 mutex_lock(&core->lock);
1199 cx88_set_tvnorm(core,*tvnorms);
1200 mutex_unlock(&core->lock);
1205 /* only one input in this sample driver */
1206 int cx88_enum_input (struct cx88_core *core,struct v4l2_input *i)
1208 static const char *iname[] = {
1209 [ CX88_VMUX_COMPOSITE1 ] = "Composite1",
1210 [ CX88_VMUX_COMPOSITE2 ] = "Composite2",
1211 [ CX88_VMUX_COMPOSITE3 ] = "Composite3",
1212 [ CX88_VMUX_COMPOSITE4 ] = "Composite4",
1213 [ CX88_VMUX_SVIDEO ] = "S-Video",
1214 [ CX88_VMUX_TELEVISION ] = "Television",
1215 [ CX88_VMUX_CABLE ] = "Cable TV",
1216 [ CX88_VMUX_DVB ] = "DVB",
1217 [ CX88_VMUX_DEBUG ] = "for debug only",
1224 if (0 == INPUT(n)->type)
1226 memset(i,0,sizeof(*i));
1228 i->type = V4L2_INPUT_TYPE_CAMERA;
1229 strcpy(i->name,iname[INPUT(n)->type]);
1230 if ((CX88_VMUX_TELEVISION == INPUT(n)->type) ||
1231 (CX88_VMUX_CABLE == INPUT(n)->type))
1232 i->type = V4L2_INPUT_TYPE_TUNER;
1233 i->std = CX88_NORMS;
1236 EXPORT_SYMBOL(cx88_enum_input);
1238 static int vidioc_enum_input (struct file *file, void *priv,
1239 struct v4l2_input *i)
1241 struct cx88_core *core = ((struct cx8800_fh *)priv)->dev->core;
1242 return cx88_enum_input (core,i);
1245 static int vidioc_g_input (struct file *file, void *priv, unsigned int *i)
1247 struct cx88_core *core = ((struct cx8800_fh *)priv)->dev->core;
1253 static int vidioc_s_input (struct file *file, void *priv, unsigned int i)
1255 struct cx88_core *core = ((struct cx8800_fh *)priv)->dev->core;
1260 mutex_lock(&core->lock);
1261 cx88_newstation(core);
1262 cx88_video_mux(core,i);
1263 mutex_unlock(&core->lock);
1269 static int vidioc_queryctrl (struct file *file, void *priv,
1270 struct v4l2_queryctrl *qctrl)
1272 qctrl->id = v4l2_ctrl_next(ctrl_classes, qctrl->id);
1273 if (unlikely(qctrl->id == 0))
1275 return cx8800_ctrl_query(qctrl);
1278 static int vidioc_g_ctrl (struct file *file, void *priv,
1279 struct v4l2_control *ctl)
1281 struct cx88_core *core = ((struct cx8800_fh *)priv)->dev->core;
1283 cx88_get_control(core,ctl);
1286 static int vidioc_s_ctrl (struct file *file, void *priv,
1287 struct v4l2_control *ctl)
1289 struct cx88_core *core = ((struct cx8800_fh *)priv)->dev->core;
1291 cx88_set_control(core,ctl);
1294 static int vidioc_g_tuner (struct file *file, void *priv,
1295 struct v4l2_tuner *t)
1297 struct cx88_core *core = ((struct cx8800_fh *)priv)->dev->core;
1300 if (unlikely(UNSET == core->tuner_type))
1305 strcpy(t->name, "Television");
1306 t->type = V4L2_TUNER_ANALOG_TV;
1307 t->capability = V4L2_TUNER_CAP_NORM;
1308 t->rangehigh = 0xffffffffUL;
1310 cx88_get_stereo(core ,t);
1311 reg = cx_read(MO_DEVICE_STATUS);
1312 t->signal = (reg & (1<<5)) ? 0xffff : 0x0000;
1316 static int vidioc_s_tuner (struct file *file, void *priv,
1317 struct v4l2_tuner *t)
1319 struct cx88_core *core = ((struct cx8800_fh *)priv)->dev->core;
1321 if (UNSET == core->tuner_type)
1326 cx88_set_stereo(core, t->audmode, 1);
1330 static int vidioc_g_frequency (struct file *file, void *priv,
1331 struct v4l2_frequency *f)
1333 struct cx8800_fh *fh = priv;
1334 struct cx88_core *core = fh->dev->core;
1336 if (unlikely(UNSET == core->tuner_type))
1339 /* f->type = fh->radio ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV; */
1340 f->type = fh->radio ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV;
1341 f->frequency = core->freq;
1343 cx88_call_i2c_clients(core,VIDIOC_G_FREQUENCY,f);
1348 int cx88_set_freq (struct cx88_core *core,
1349 struct v4l2_frequency *f)
1351 if (unlikely(UNSET == core->tuner_type))
1353 if (unlikely(f->tuner != 0))
1356 mutex_lock(&core->lock);
1357 core->freq = f->frequency;
1358 cx88_newstation(core);
1359 cx88_call_i2c_clients(core,VIDIOC_S_FREQUENCY,f);
1361 /* When changing channels it is required to reset TVAUDIO */
1363 cx88_set_tvaudio(core);
1365 mutex_unlock(&core->lock);
1369 EXPORT_SYMBOL(cx88_set_freq);
1371 static int vidioc_s_frequency (struct file *file, void *priv,
1372 struct v4l2_frequency *f)
1374 struct cx8800_fh *fh = priv;
1375 struct cx88_core *core = fh->dev->core;
1377 if (unlikely(0 == fh->radio && f->type != V4L2_TUNER_ANALOG_TV))
1379 if (unlikely(1 == fh->radio && f->type != V4L2_TUNER_RADIO))
1383 cx88_set_freq (core,f);
1386 #ifdef CONFIG_VIDEO_ADV_DEBUG
1387 static int vidioc_g_register (struct file *file, void *fh,
1388 struct v4l2_register *reg)
1390 struct cx88_core *core = ((struct cx8800_fh*)fh)->dev->core;
1392 if (reg->i2c_id != 0)
1394 /* cx2388x has a 24-bit register space */
1395 reg->val = cx_read(reg->reg&0xffffff);
1399 static int vidioc_s_register (struct file *file, void *fh,
1400 struct v4l2_register *reg)
1402 struct cx88_core *core = ((struct cx8800_fh*)fh)->dev->core;
1404 if (reg->i2c_id != 0)
1406 cx_write(reg->reg&0xffffff, reg->val);
1411 /* ----------------------------------------------------------- */
1412 /* RADIO ESPECIFIC IOCTLS */
1413 /* ----------------------------------------------------------- */
1415 static int radio_querycap (struct file *file, void *priv,
1416 struct v4l2_capability *cap)
1418 struct cx8800_dev *dev = ((struct cx8800_fh *)priv)->dev;
1419 struct cx88_core *core = dev->core;
1421 strcpy(cap->driver, "cx8800");
1422 strlcpy(cap->card, cx88_boards[core->board].name,
1424 sprintf(cap->bus_info,"PCI:%s", pci_name(dev->pci));
1425 cap->version = CX88_VERSION_CODE;
1426 cap->capabilities = V4L2_CAP_TUNER;
1430 static int radio_g_tuner (struct file *file, void *priv,
1431 struct v4l2_tuner *t)
1433 struct cx88_core *core = ((struct cx8800_fh *)priv)->dev->core;
1435 if (unlikely(t->index > 0))
1438 strcpy(t->name, "Radio");
1439 t->type = V4L2_TUNER_RADIO;
1441 cx88_call_i2c_clients(core,VIDIOC_G_TUNER,t);
1445 static int radio_enum_input (struct file *file, void *priv,
1446 struct v4l2_input *i)
1450 strcpy(i->name,"Radio");
1451 i->type = V4L2_INPUT_TYPE_TUNER;
1456 static int radio_g_audio (struct file *file, void *priv, struct v4l2_audio *a)
1458 if (unlikely(a->index))
1461 memset(a,0,sizeof(*a));
1462 strcpy(a->name,"Radio");
1466 /* FIXME: Should add a standard for radio */
1468 static int radio_s_tuner (struct file *file, void *priv,
1469 struct v4l2_tuner *t)
1471 struct cx88_core *core = ((struct cx8800_fh *)priv)->dev->core;
1476 cx88_call_i2c_clients(core,VIDIOC_S_TUNER,t);
1481 static int radio_s_audio (struct file *file, void *fh,
1482 struct v4l2_audio *a)
1487 static int radio_s_input (struct file *file, void *fh, unsigned int i)
1492 static int radio_queryctrl (struct file *file, void *priv,
1493 struct v4l2_queryctrl *c)
1497 if (c->id < V4L2_CID_BASE ||
1498 c->id >= V4L2_CID_LASTP1)
1500 if (c->id == V4L2_CID_AUDIO_MUTE) {
1501 for (i = 0; i < CX8800_CTLS; i++)
1502 if (cx8800_ctls[i].v.id == c->id)
1504 *c = cx8800_ctls[i].v;
1510 /* ----------------------------------------------------------- */
1512 static void cx8800_vid_timeout(unsigned long data)
1514 struct cx8800_dev *dev = (struct cx8800_dev*)data;
1515 struct cx88_core *core = dev->core;
1516 struct cx88_dmaqueue *q = &dev->vidq;
1517 struct cx88_buffer *buf;
1518 unsigned long flags;
1520 cx88_sram_channel_dump(core, &cx88_sram_channels[SRAM_CH21]);
1522 cx_clear(MO_VID_DMACNTRL, 0x11);
1523 cx_clear(VID_CAPTURE_CONTROL, 0x06);
1525 spin_lock_irqsave(&dev->slock,flags);
1526 while (!list_empty(&q->active)) {
1527 buf = list_entry(q->active.next, struct cx88_buffer, vb.queue);
1528 list_del(&buf->vb.queue);
1529 buf->vb.state = STATE_ERROR;
1530 wake_up(&buf->vb.done);
1531 printk("%s/0: [%p/%d] timeout - dma=0x%08lx\n", core->name,
1532 buf, buf->vb.i, (unsigned long)buf->risc.dma);
1534 restart_video_queue(dev,q);
1535 spin_unlock_irqrestore(&dev->slock,flags);
1538 static char *cx88_vid_irqs[32] = {
1539 "y_risci1", "u_risci1", "v_risci1", "vbi_risc1",
1540 "y_risci2", "u_risci2", "v_risci2", "vbi_risc2",
1541 "y_oflow", "u_oflow", "v_oflow", "vbi_oflow",
1542 "y_sync", "u_sync", "v_sync", "vbi_sync",
1543 "opc_err", "par_err", "rip_err", "pci_abort",
1546 static void cx8800_vid_irq(struct cx8800_dev *dev)
1548 struct cx88_core *core = dev->core;
1549 u32 status, mask, count;
1551 status = cx_read(MO_VID_INTSTAT);
1552 mask = cx_read(MO_VID_INTMSK);
1553 if (0 == (status & mask))
1555 cx_write(MO_VID_INTSTAT, status);
1556 if (irq_debug || (status & mask & ~0xff))
1557 cx88_print_irqbits(core->name, "irq vid",
1558 cx88_vid_irqs, status, mask);
1560 /* risc op code error */
1561 if (status & (1 << 16)) {
1562 printk(KERN_WARNING "%s/0: video risc op code error\n",core->name);
1563 cx_clear(MO_VID_DMACNTRL, 0x11);
1564 cx_clear(VID_CAPTURE_CONTROL, 0x06);
1565 cx88_sram_channel_dump(core, &cx88_sram_channels[SRAM_CH21]);
1569 if (status & 0x01) {
1570 spin_lock(&dev->slock);
1571 count = cx_read(MO_VIDY_GPCNT);
1572 cx88_wakeup(core, &dev->vidq, count);
1573 spin_unlock(&dev->slock);
1577 if (status & 0x08) {
1578 spin_lock(&dev->slock);
1579 count = cx_read(MO_VBI_GPCNT);
1580 cx88_wakeup(core, &dev->vbiq, count);
1581 spin_unlock(&dev->slock);
1585 if (status & 0x10) {
1586 dprintk(2,"stopper video\n");
1587 spin_lock(&dev->slock);
1588 restart_video_queue(dev,&dev->vidq);
1589 spin_unlock(&dev->slock);
1593 if (status & 0x80) {
1594 dprintk(2,"stopper vbi\n");
1595 spin_lock(&dev->slock);
1596 cx8800_restart_vbi_queue(dev,&dev->vbiq);
1597 spin_unlock(&dev->slock);
1601 static irqreturn_t cx8800_irq(int irq, void *dev_id)
1603 struct cx8800_dev *dev = dev_id;
1604 struct cx88_core *core = dev->core;
1606 int loop, handled = 0;
1608 for (loop = 0; loop < 10; loop++) {
1609 status = cx_read(MO_PCI_INTSTAT) & (core->pci_irqmask | 0x01);
1612 cx_write(MO_PCI_INTSTAT, status);
1615 if (status & core->pci_irqmask)
1616 cx88_core_irq(core,status);
1618 cx8800_vid_irq(dev);
1621 printk(KERN_WARNING "%s/0: irq loop -- clearing mask\n",
1623 cx_write(MO_PCI_INTMSK,0);
1627 return IRQ_RETVAL(handled);
1630 /* ----------------------------------------------------------- */
1631 /* exported stuff */
1633 static const struct file_operations video_fops =
1635 .owner = THIS_MODULE,
1637 .release = video_release,
1641 .ioctl = video_ioctl2,
1642 .compat_ioctl = v4l_compat_ioctl32,
1643 .llseek = no_llseek,
1646 static struct video_device cx8800_vbi_template;
1647 static struct video_device cx8800_video_template =
1649 .name = "cx8800-video",
1650 .type = VID_TYPE_CAPTURE|VID_TYPE_TUNER|VID_TYPE_SCALES,
1651 .fops = &video_fops,
1653 .vidioc_querycap = vidioc_querycap,
1654 .vidioc_enum_fmt_cap = vidioc_enum_fmt_cap,
1655 .vidioc_g_fmt_cap = vidioc_g_fmt_cap,
1656 .vidioc_try_fmt_cap = vidioc_try_fmt_cap,
1657 .vidioc_s_fmt_cap = vidioc_s_fmt_cap,
1658 .vidioc_g_fmt_vbi = cx8800_vbi_fmt,
1659 .vidioc_try_fmt_vbi = cx8800_vbi_fmt,
1660 .vidioc_s_fmt_vbi = cx8800_vbi_fmt,
1661 .vidioc_reqbufs = vidioc_reqbufs,
1662 .vidioc_querybuf = vidioc_querybuf,
1663 .vidioc_qbuf = vidioc_qbuf,
1664 .vidioc_dqbuf = vidioc_dqbuf,
1665 .vidioc_s_std = vidioc_s_std,
1666 .vidioc_enum_input = vidioc_enum_input,
1667 .vidioc_g_input = vidioc_g_input,
1668 .vidioc_s_input = vidioc_s_input,
1669 .vidioc_queryctrl = vidioc_queryctrl,
1670 .vidioc_g_ctrl = vidioc_g_ctrl,
1671 .vidioc_s_ctrl = vidioc_s_ctrl,
1672 .vidioc_streamon = vidioc_streamon,
1673 .vidioc_streamoff = vidioc_streamoff,
1674 #ifdef CONFIG_VIDEO_V4L1_COMPAT
1675 .vidiocgmbuf = vidiocgmbuf,
1677 .vidioc_g_tuner = vidioc_g_tuner,
1678 .vidioc_s_tuner = vidioc_s_tuner,
1679 .vidioc_g_frequency = vidioc_g_frequency,
1680 .vidioc_s_frequency = vidioc_s_frequency,
1681 #ifdef CONFIG_VIDEO_ADV_DEBUG
1682 .vidioc_g_register = vidioc_g_register,
1683 .vidioc_s_register = vidioc_s_register,
1685 .tvnorms = CX88_NORMS,
1686 .current_norm = V4L2_STD_NTSC_M,
1689 static const struct file_operations radio_fops =
1691 .owner = THIS_MODULE,
1693 .release = video_release,
1694 .ioctl = video_ioctl2,
1695 .compat_ioctl = v4l_compat_ioctl32,
1696 .llseek = no_llseek,
1699 static struct video_device cx8800_radio_template =
1701 .name = "cx8800-radio",
1702 .type = VID_TYPE_TUNER,
1704 .fops = &radio_fops,
1706 .vidioc_querycap = radio_querycap,
1707 .vidioc_g_tuner = radio_g_tuner,
1708 .vidioc_enum_input = radio_enum_input,
1709 .vidioc_g_audio = radio_g_audio,
1710 .vidioc_s_tuner = radio_s_tuner,
1711 .vidioc_s_audio = radio_s_audio,
1712 .vidioc_s_input = radio_s_input,
1713 .vidioc_queryctrl = radio_queryctrl,
1714 .vidioc_g_ctrl = vidioc_g_ctrl,
1715 .vidioc_s_ctrl = vidioc_s_ctrl,
1716 .vidioc_g_frequency = vidioc_g_frequency,
1717 .vidioc_s_frequency = vidioc_s_frequency,
1720 /* ----------------------------------------------------------- */
1722 static void cx8800_unregister_video(struct cx8800_dev *dev)
1724 if (dev->radio_dev) {
1725 if (-1 != dev->radio_dev->minor)
1726 video_unregister_device(dev->radio_dev);
1728 video_device_release(dev->radio_dev);
1729 dev->radio_dev = NULL;
1732 if (-1 != dev->vbi_dev->minor)
1733 video_unregister_device(dev->vbi_dev);
1735 video_device_release(dev->vbi_dev);
1736 dev->vbi_dev = NULL;
1738 if (dev->video_dev) {
1739 if (-1 != dev->video_dev->minor)
1740 video_unregister_device(dev->video_dev);
1742 video_device_release(dev->video_dev);
1743 dev->video_dev = NULL;
1747 static int __devinit cx8800_initdev(struct pci_dev *pci_dev,
1748 const struct pci_device_id *pci_id)
1750 struct cx8800_dev *dev;
1751 struct cx88_core *core;
1755 dev = kzalloc(sizeof(*dev),GFP_KERNEL);
1761 if (pci_enable_device(pci_dev)) {
1765 core = cx88_core_get(dev->pci);
1772 /* print pci info */
1773 pci_read_config_byte(pci_dev, PCI_CLASS_REVISION, &dev->pci_rev);
1774 pci_read_config_byte(pci_dev, PCI_LATENCY_TIMER, &dev->pci_lat);
1775 printk(KERN_INFO "%s/0: found at %s, rev: %d, irq: %d, "
1776 "latency: %d, mmio: 0x%llx\n", core->name,
1777 pci_name(pci_dev), dev->pci_rev, pci_dev->irq,
1778 dev->pci_lat,(unsigned long long)pci_resource_start(pci_dev,0));
1780 pci_set_master(pci_dev);
1781 if (!pci_dma_supported(pci_dev,0xffffffff)) {
1782 printk("%s/0: Oops: no 32bit PCI DMA ???\n",core->name);
1787 /* Initialize VBI template */
1788 memcpy( &cx8800_vbi_template, &cx8800_video_template,
1789 sizeof(cx8800_vbi_template) );
1790 strcpy(cx8800_vbi_template.name,"cx8800-vbi");
1791 cx8800_vbi_template.type = VID_TYPE_TELETEXT|VID_TYPE_TUNER;
1793 /* initialize driver struct */
1794 spin_lock_init(&dev->slock);
1795 core->tvnorm = cx8800_video_template.current_norm;
1797 /* init video dma queues */
1798 INIT_LIST_HEAD(&dev->vidq.active);
1799 INIT_LIST_HEAD(&dev->vidq.queued);
1800 dev->vidq.timeout.function = cx8800_vid_timeout;
1801 dev->vidq.timeout.data = (unsigned long)dev;
1802 init_timer(&dev->vidq.timeout);
1803 cx88_risc_stopper(dev->pci,&dev->vidq.stopper,
1804 MO_VID_DMACNTRL,0x11,0x00);
1806 /* init vbi dma queues */
1807 INIT_LIST_HEAD(&dev->vbiq.active);
1808 INIT_LIST_HEAD(&dev->vbiq.queued);
1809 dev->vbiq.timeout.function = cx8800_vbi_timeout;
1810 dev->vbiq.timeout.data = (unsigned long)dev;
1811 init_timer(&dev->vbiq.timeout);
1812 cx88_risc_stopper(dev->pci,&dev->vbiq.stopper,
1813 MO_VID_DMACNTRL,0x88,0x00);
1816 err = request_irq(pci_dev->irq, cx8800_irq,
1817 IRQF_SHARED | IRQF_DISABLED, core->name, dev);
1819 printk(KERN_ERR "%s: can't get IRQ %d\n",
1820 core->name,pci_dev->irq);
1823 cx_set(MO_PCI_INTMSK, core->pci_irqmask);
1825 /* load and configure helper modules */
1826 if (TUNER_ABSENT != core->tuner_type)
1827 request_module("tuner");
1829 if (cx88_boards[ core->board ].audio_chip == AUDIO_CHIP_WM8775)
1830 request_module("wm8775");
1832 /* register v4l devices */
1833 dev->video_dev = cx88_vdev_init(core,dev->pci,
1834 &cx8800_video_template,"video");
1835 err = video_register_device(dev->video_dev,VFL_TYPE_GRABBER,
1836 video_nr[core->nr]);
1838 printk(KERN_INFO "%s: can't register video device\n",
1842 printk(KERN_INFO "%s/0: registered device video%d [v4l2]\n",
1843 core->name,dev->video_dev->minor & 0x1f);
1845 dev->vbi_dev = cx88_vdev_init(core,dev->pci,&cx8800_vbi_template,"vbi");
1846 err = video_register_device(dev->vbi_dev,VFL_TYPE_VBI,
1849 printk(KERN_INFO "%s/0: can't register vbi device\n",
1853 printk(KERN_INFO "%s/0: registered device vbi%d\n",
1854 core->name,dev->vbi_dev->minor & 0x1f);
1856 if (core->has_radio) {
1857 dev->radio_dev = cx88_vdev_init(core,dev->pci,
1858 &cx8800_radio_template,"radio");
1859 err = video_register_device(dev->radio_dev,VFL_TYPE_RADIO,
1860 radio_nr[core->nr]);
1862 printk(KERN_INFO "%s/0: can't register radio device\n",
1866 printk(KERN_INFO "%s/0: registered device radio%d\n",
1867 core->name,dev->radio_dev->minor & 0x1f);
1870 /* everything worked */
1871 list_add_tail(&dev->devlist,&cx8800_devlist);
1872 pci_set_drvdata(pci_dev,dev);
1874 /* initial device configuration */
1875 mutex_lock(&core->lock);
1876 cx88_set_tvnorm(core,core->tvnorm);
1877 init_controls(core);
1878 cx88_video_mux(core,0);
1879 mutex_unlock(&core->lock);
1881 /* start tvaudio thread */
1882 if (core->tuner_type != TUNER_ABSENT)
1883 core->kthread = kthread_run(cx88_audio_thread, core, "cx88 tvaudio");
1887 cx8800_unregister_video(dev);
1888 free_irq(pci_dev->irq, dev);
1890 cx88_core_put(core,dev->pci);
1896 static void __devexit cx8800_finidev(struct pci_dev *pci_dev)
1898 struct cx8800_dev *dev = pci_get_drvdata(pci_dev);
1899 struct cx88_core *core = dev->core;
1902 if (core->kthread) {
1903 kthread_stop(core->kthread);
1904 core->kthread = NULL;
1907 cx88_shutdown(core); /* FIXME */
1908 pci_disable_device(pci_dev);
1910 /* unregister stuff */
1912 free_irq(pci_dev->irq, dev);
1913 cx8800_unregister_video(dev);
1914 pci_set_drvdata(pci_dev, NULL);
1917 btcx_riscmem_free(dev->pci,&dev->vidq.stopper);
1918 list_del(&dev->devlist);
1919 cx88_core_put(core,dev->pci);
1924 static int cx8800_suspend(struct pci_dev *pci_dev, pm_message_t state)
1926 struct cx8800_dev *dev = pci_get_drvdata(pci_dev);
1927 struct cx88_core *core = dev->core;
1929 /* stop video+vbi capture */
1930 spin_lock(&dev->slock);
1931 if (!list_empty(&dev->vidq.active)) {
1932 printk("%s: suspend video\n", core->name);
1933 stop_video_dma(dev);
1934 del_timer(&dev->vidq.timeout);
1936 if (!list_empty(&dev->vbiq.active)) {
1937 printk("%s: suspend vbi\n", core->name);
1938 cx8800_stop_vbi_dma(dev);
1939 del_timer(&dev->vbiq.timeout);
1941 spin_unlock(&dev->slock);
1943 /* FIXME -- shutdown device */
1944 cx88_shutdown(core);
1946 pci_save_state(pci_dev);
1947 if (0 != pci_set_power_state(pci_dev, pci_choose_state(pci_dev, state))) {
1948 pci_disable_device(pci_dev);
1949 dev->state.disabled = 1;
1954 static int cx8800_resume(struct pci_dev *pci_dev)
1956 struct cx8800_dev *dev = pci_get_drvdata(pci_dev);
1957 struct cx88_core *core = dev->core;
1960 if (dev->state.disabled) {
1961 err=pci_enable_device(pci_dev);
1963 printk(KERN_ERR "%s: can't enable device\n",
1968 dev->state.disabled = 0;
1970 err= pci_set_power_state(pci_dev, PCI_D0);
1972 printk(KERN_ERR "%s: can't enable device\n",
1975 pci_disable_device(pci_dev);
1976 dev->state.disabled = 1;
1980 pci_restore_state(pci_dev);
1982 /* FIXME: re-initialize hardware */
1985 /* restart video+vbi capture */
1986 spin_lock(&dev->slock);
1987 if (!list_empty(&dev->vidq.active)) {
1988 printk("%s: resume video\n", core->name);
1989 restart_video_queue(dev,&dev->vidq);
1991 if (!list_empty(&dev->vbiq.active)) {
1992 printk("%s: resume vbi\n", core->name);
1993 cx8800_restart_vbi_queue(dev,&dev->vbiq);
1995 spin_unlock(&dev->slock);
2001 /* ----------------------------------------------------------- */
2003 static struct pci_device_id cx8800_pci_tbl[] = {
2007 .subvendor = PCI_ANY_ID,
2008 .subdevice = PCI_ANY_ID,
2010 /* --- end of list --- */
2013 MODULE_DEVICE_TABLE(pci, cx8800_pci_tbl);
2015 static struct pci_driver cx8800_pci_driver = {
2017 .id_table = cx8800_pci_tbl,
2018 .probe = cx8800_initdev,
2019 .remove = __devexit_p(cx8800_finidev),
2021 .suspend = cx8800_suspend,
2022 .resume = cx8800_resume,
2026 static int cx8800_init(void)
2028 printk(KERN_INFO "cx2388x v4l2 driver version %d.%d.%d loaded\n",
2029 (CX88_VERSION_CODE >> 16) & 0xff,
2030 (CX88_VERSION_CODE >> 8) & 0xff,
2031 CX88_VERSION_CODE & 0xff);
2033 printk(KERN_INFO "cx2388x: snapshot date %04d-%02d-%02d\n",
2034 SNAPSHOT/10000, (SNAPSHOT/100)%100, SNAPSHOT%100);
2036 return pci_register_driver(&cx8800_pci_driver);
2039 static void cx8800_fini(void)
2041 pci_unregister_driver(&cx8800_pci_driver);
2044 module_init(cx8800_init);
2045 module_exit(cx8800_fini);
2047 /* ----------------------------------------------------------- */
2052 * 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