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/kmod.h>
32 #include <linux/kernel.h>
33 #include <linux/slab.h>
34 #include <linux/interrupt.h>
35 #include <linux/dma-mapping.h>
36 #include <linux/delay.h>
37 #include <linux/kthread.h>
38 #include <asm/div64.h>
41 #include <media/v4l2-common.h>
43 #ifdef CONFIG_VIDEO_V4L1_COMPAT
44 /* Include V4L1 specific functions. Should be removed soon */
45 #include <linux/videodev.h>
48 MODULE_DESCRIPTION("v4l2 driver module for cx2388x based TV cards");
49 MODULE_AUTHOR("Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]");
50 MODULE_LICENSE("GPL");
52 /* ------------------------------------------------------------------ */
54 static unsigned int video_nr[] = {[0 ... (CX88_MAXBOARDS - 1)] = UNSET };
55 static unsigned int vbi_nr[] = {[0 ... (CX88_MAXBOARDS - 1)] = UNSET };
56 static unsigned int radio_nr[] = {[0 ... (CX88_MAXBOARDS - 1)] = UNSET };
58 module_param_array(video_nr, int, NULL, 0444);
59 module_param_array(vbi_nr, int, NULL, 0444);
60 module_param_array(radio_nr, int, NULL, 0444);
62 MODULE_PARM_DESC(video_nr,"video device numbers");
63 MODULE_PARM_DESC(vbi_nr,"vbi device numbers");
64 MODULE_PARM_DESC(radio_nr,"radio device numbers");
66 static unsigned int video_debug;
67 module_param(video_debug,int,0644);
68 MODULE_PARM_DESC(video_debug,"enable debug messages [video]");
70 static unsigned int irq_debug;
71 module_param(irq_debug,int,0644);
72 MODULE_PARM_DESC(irq_debug,"enable debug messages [IRQ handler]");
74 static unsigned int vid_limit = 16;
75 module_param(vid_limit,int,0644);
76 MODULE_PARM_DESC(vid_limit,"capture memory limit in megabytes");
78 #define dprintk(level,fmt, arg...) if (video_debug >= level) \
79 printk(KERN_DEBUG "%s/0: " fmt, core->name , ## arg)
81 /* ------------------------------------------------------------------ */
83 static LIST_HEAD(cx8800_devlist);
85 /* ------------------------------------------------------------------- */
88 static struct cx8800_fmt formats[] = {
90 .name = "8 bpp, gray",
91 .fourcc = V4L2_PIX_FMT_GREY,
92 .cxformat = ColorFormatY8,
94 .flags = FORMAT_FLAGS_PACKED,
96 .name = "15 bpp RGB, le",
97 .fourcc = V4L2_PIX_FMT_RGB555,
98 .cxformat = ColorFormatRGB15,
100 .flags = FORMAT_FLAGS_PACKED,
102 .name = "15 bpp RGB, be",
103 .fourcc = V4L2_PIX_FMT_RGB555X,
104 .cxformat = ColorFormatRGB15 | ColorFormatBSWAP,
106 .flags = FORMAT_FLAGS_PACKED,
108 .name = "16 bpp RGB, le",
109 .fourcc = V4L2_PIX_FMT_RGB565,
110 .cxformat = ColorFormatRGB16,
112 .flags = FORMAT_FLAGS_PACKED,
114 .name = "16 bpp RGB, be",
115 .fourcc = V4L2_PIX_FMT_RGB565X,
116 .cxformat = ColorFormatRGB16 | ColorFormatBSWAP,
118 .flags = FORMAT_FLAGS_PACKED,
120 .name = "24 bpp RGB, le",
121 .fourcc = V4L2_PIX_FMT_BGR24,
122 .cxformat = ColorFormatRGB24,
124 .flags = FORMAT_FLAGS_PACKED,
126 .name = "32 bpp RGB, le",
127 .fourcc = V4L2_PIX_FMT_BGR32,
128 .cxformat = ColorFormatRGB32,
130 .flags = FORMAT_FLAGS_PACKED,
132 .name = "32 bpp RGB, be",
133 .fourcc = V4L2_PIX_FMT_RGB32,
134 .cxformat = ColorFormatRGB32 | ColorFormatBSWAP | ColorFormatWSWAP,
136 .flags = FORMAT_FLAGS_PACKED,
138 .name = "4:2:2, packed, YUYV",
139 .fourcc = V4L2_PIX_FMT_YUYV,
140 .cxformat = ColorFormatYUY2,
142 .flags = FORMAT_FLAGS_PACKED,
144 .name = "4:2:2, packed, UYVY",
145 .fourcc = V4L2_PIX_FMT_UYVY,
146 .cxformat = ColorFormatYUY2 | ColorFormatBSWAP,
148 .flags = FORMAT_FLAGS_PACKED,
152 static struct cx8800_fmt* format_by_fourcc(unsigned int fourcc)
156 for (i = 0; i < ARRAY_SIZE(formats); i++)
157 if (formats[i].fourcc == fourcc)
162 /* ------------------------------------------------------------------- */
164 static const struct v4l2_queryctrl no_ctl = {
166 .flags = V4L2_CTRL_FLAG_DISABLED,
169 static struct cx88_ctrl cx8800_ctls[] = {
173 .id = V4L2_CID_BRIGHTNESS,
174 .name = "Brightness",
178 .default_value = 0x7f,
179 .type = V4L2_CTRL_TYPE_INTEGER,
182 .reg = MO_CONTR_BRIGHT,
187 .id = V4L2_CID_CONTRAST,
192 .default_value = 0x3f,
193 .type = V4L2_CTRL_TYPE_INTEGER,
196 .reg = MO_CONTR_BRIGHT,
206 .default_value = 0x7f,
207 .type = V4L2_CTRL_TYPE_INTEGER,
214 /* strictly, this only describes only U saturation.
215 * V saturation is handled specially through code.
218 .id = V4L2_CID_SATURATION,
219 .name = "Saturation",
223 .default_value = 0x7f,
224 .type = V4L2_CTRL_TYPE_INTEGER,
227 .reg = MO_UV_SATURATION,
232 .id = V4L2_CID_CHROMA_AGC,
233 .name = "Chroma AGC",
236 .default_value = 0x1,
237 .type = V4L2_CTRL_TYPE_BOOLEAN,
239 .reg = MO_INPUT_FORMAT,
245 .id = V4L2_CID_AUDIO_MUTE,
250 .type = V4L2_CTRL_TYPE_BOOLEAN,
253 .sreg = SHADOW_AUD_VOL_CTL,
258 .id = V4L2_CID_AUDIO_VOLUME,
263 .default_value = 0x3f,
264 .type = V4L2_CTRL_TYPE_INTEGER,
267 .sreg = SHADOW_AUD_VOL_CTL,
272 .id = V4L2_CID_AUDIO_BALANCE,
277 .default_value = 0x40,
278 .type = V4L2_CTRL_TYPE_INTEGER,
281 .sreg = SHADOW_AUD_BAL_CTL,
286 static const int CX8800_CTLS = ARRAY_SIZE(cx8800_ctls);
288 const u32 cx88_user_ctrls[] = {
294 V4L2_CID_AUDIO_VOLUME,
295 V4L2_CID_AUDIO_BALANCE,
300 EXPORT_SYMBOL(cx88_user_ctrls);
302 static const u32 *ctrl_classes[] = {
307 int cx8800_ctrl_query(struct cx88_core *core, struct v4l2_queryctrl *qctrl)
311 if (qctrl->id < V4L2_CID_BASE ||
312 qctrl->id >= V4L2_CID_LASTP1)
314 for (i = 0; i < CX8800_CTLS; i++)
315 if (cx8800_ctls[i].v.id == qctrl->id)
317 if (i == CX8800_CTLS) {
321 *qctrl = cx8800_ctls[i].v;
322 /* Report chroma AGC as inactive when SECAM is selected */
323 if (cx8800_ctls[i].v.id == V4L2_CID_CHROMA_AGC &&
324 core->tvnorm & V4L2_STD_SECAM)
325 qctrl->flags |= V4L2_CTRL_FLAG_INACTIVE;
329 EXPORT_SYMBOL(cx8800_ctrl_query);
331 /* ------------------------------------------------------------------- */
332 /* resource management */
334 static int res_get(struct cx8800_dev *dev, struct cx8800_fh *fh, unsigned int bit)
336 struct cx88_core *core = dev->core;
337 if (fh->resources & bit)
338 /* have it already allocated */
342 mutex_lock(&core->lock);
343 if (dev->resources & bit) {
344 /* no, someone else uses it */
345 mutex_unlock(&core->lock);
348 /* it's free, grab it */
349 fh->resources |= bit;
350 dev->resources |= bit;
351 dprintk(1,"res: get %d\n",bit);
352 mutex_unlock(&core->lock);
357 int res_check(struct cx8800_fh *fh, unsigned int bit)
359 return (fh->resources & bit);
363 int res_locked(struct cx8800_dev *dev, unsigned int bit)
365 return (dev->resources & bit);
369 void res_free(struct cx8800_dev *dev, struct cx8800_fh *fh, unsigned int bits)
371 struct cx88_core *core = dev->core;
372 BUG_ON((fh->resources & bits) != bits);
374 mutex_lock(&core->lock);
375 fh->resources &= ~bits;
376 dev->resources &= ~bits;
377 dprintk(1,"res: put %d\n",bits);
378 mutex_unlock(&core->lock);
381 /* ------------------------------------------------------------------ */
383 int cx88_video_mux(struct cx88_core *core, unsigned int input)
385 /* struct cx88_core *core = dev->core; */
387 dprintk(1,"video_mux: %d [vmux=%d,gpio=0x%x,0x%x,0x%x,0x%x]\n",
388 input, INPUT(input).vmux,
389 INPUT(input).gpio0,INPUT(input).gpio1,
390 INPUT(input).gpio2,INPUT(input).gpio3);
392 cx_andor(MO_INPUT_FORMAT, 0x03 << 14, INPUT(input).vmux << 14);
393 cx_write(MO_GP3_IO, INPUT(input).gpio3);
394 cx_write(MO_GP0_IO, INPUT(input).gpio0);
395 cx_write(MO_GP1_IO, INPUT(input).gpio1);
396 cx_write(MO_GP2_IO, INPUT(input).gpio2);
398 switch (INPUT(input).type) {
399 case CX88_VMUX_SVIDEO:
400 cx_set(MO_AFECFG_IO, 0x00000001);
401 cx_set(MO_INPUT_FORMAT, 0x00010010);
402 cx_set(MO_FILTER_EVEN, 0x00002020);
403 cx_set(MO_FILTER_ODD, 0x00002020);
406 cx_clear(MO_AFECFG_IO, 0x00000001);
407 cx_clear(MO_INPUT_FORMAT, 0x00010010);
408 cx_clear(MO_FILTER_EVEN, 0x00002020);
409 cx_clear(MO_FILTER_ODD, 0x00002020);
413 /* if there are audioroutes defined, we have an external
414 ADC to deal with audio */
416 if (INPUT(input).audioroute) {
418 /* cx2388's C-ADC is connected to the tuner only.
419 When used with S-Video, that ADC is busy dealing with
420 chroma, so an external must be used for baseband audio */
422 if (INPUT(input).type != CX88_VMUX_TELEVISION &&
423 INPUT(input).type != CX88_RADIO) {
425 cx_write(AUD_I2SCNTL, 0x1);
426 cx_set(AUD_CTL, EN_I2SIN_ENABLE);
429 cx_write(AUD_I2SCNTL, 0x0);
430 cx_clear(AUD_CTL, EN_I2SIN_ENABLE);
433 /* The wm8775 module has the "2" route hardwired into
434 the initialization. Some boards may use different
435 routes for different inputs. HVR-1300 surely does */
436 if (core->board.audio_chip &&
437 core->board.audio_chip == AUDIO_CHIP_WM8775) {
438 struct v4l2_routing route;
440 route.input = INPUT(input).audioroute;
441 cx88_call_i2c_clients(core,
442 VIDIOC_INT_S_AUDIO_ROUTING, &route);
450 EXPORT_SYMBOL(cx88_video_mux);
452 /* ------------------------------------------------------------------ */
454 static int start_video_dma(struct cx8800_dev *dev,
455 struct cx88_dmaqueue *q,
456 struct cx88_buffer *buf)
458 struct cx88_core *core = dev->core;
460 /* setup fifo + format */
461 cx88_sram_channel_setup(core, &cx88_sram_channels[SRAM_CH21],
462 buf->bpl, buf->risc.dma);
463 cx88_set_scale(core, buf->vb.width, buf->vb.height, buf->vb.field);
464 cx_write(MO_COLOR_CTRL, buf->fmt->cxformat | ColorFormatGamma);
467 cx_write(MO_VIDY_GPCNTRL,GP_COUNT_CONTROL_RESET);
471 cx_set(MO_PCI_INTMSK, core->pci_irqmask | PCI_INT_VIDINT);
473 /* Enables corresponding bits at PCI_INT_STAT:
474 bits 0 to 4: video, audio, transport stream, VIP, Host
476 bits 8 and 9: DMA complete for: SRC, DST
477 bits 10 and 11: BERR signal asserted for RISC: RD, WR
478 bits 12 to 15: BERR signal asserted for: BRDG, SRC, DST, IPB
480 cx_set(MO_VID_INTMSK, 0x0f0011);
483 cx_set(VID_CAPTURE_CONTROL,0x06);
486 cx_set(MO_DEV_CNTRL2, (1<<5));
487 cx_set(MO_VID_DMACNTRL, 0x11); /* Planar Y and packed FIFO and RISC enable */
493 static int stop_video_dma(struct cx8800_dev *dev)
495 struct cx88_core *core = dev->core;
498 cx_clear(MO_VID_DMACNTRL, 0x11);
500 /* disable capture */
501 cx_clear(VID_CAPTURE_CONTROL,0x06);
504 cx_clear(MO_PCI_INTMSK, PCI_INT_VIDINT);
505 cx_clear(MO_VID_INTMSK, 0x0f0011);
510 static int restart_video_queue(struct cx8800_dev *dev,
511 struct cx88_dmaqueue *q)
513 struct cx88_core *core = dev->core;
514 struct cx88_buffer *buf, *prev;
516 if (!list_empty(&q->active)) {
517 buf = list_entry(q->active.next, struct cx88_buffer, vb.queue);
518 dprintk(2,"restart_queue [%p/%d]: restart dma\n",
520 start_video_dma(dev, q, buf);
521 list_for_each_entry(buf, &q->active, vb.queue)
522 buf->count = q->count++;
523 mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT);
529 if (list_empty(&q->queued))
531 buf = list_entry(q->queued.next, struct cx88_buffer, vb.queue);
533 list_move_tail(&buf->vb.queue, &q->active);
534 start_video_dma(dev, q, buf);
535 buf->vb.state = VIDEOBUF_ACTIVE;
536 buf->count = q->count++;
537 mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT);
538 dprintk(2,"[%p/%d] restart_queue - first active\n",
541 } else if (prev->vb.width == buf->vb.width &&
542 prev->vb.height == buf->vb.height &&
543 prev->fmt == buf->fmt) {
544 list_move_tail(&buf->vb.queue, &q->active);
545 buf->vb.state = VIDEOBUF_ACTIVE;
546 buf->count = q->count++;
547 prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma);
548 dprintk(2,"[%p/%d] restart_queue - move to active\n",
557 /* ------------------------------------------------------------------ */
560 buffer_setup(struct videobuf_queue *q, unsigned int *count, unsigned int *size)
562 struct cx8800_fh *fh = q->priv_data;
564 *size = fh->fmt->depth*fh->width*fh->height >> 3;
567 while (*size * *count > vid_limit * 1024 * 1024)
573 buffer_prepare(struct videobuf_queue *q, struct videobuf_buffer *vb,
574 enum v4l2_field field)
576 struct cx8800_fh *fh = q->priv_data;
577 struct cx8800_dev *dev = fh->dev;
578 struct cx88_core *core = dev->core;
579 struct cx88_buffer *buf = container_of(vb,struct cx88_buffer,vb);
580 struct videobuf_dmabuf *dma=videobuf_to_dma(&buf->vb);
581 int rc, init_buffer = 0;
583 BUG_ON(NULL == fh->fmt);
584 if (fh->width < 48 || fh->width > norm_maxw(core->tvnorm) ||
585 fh->height < 32 || fh->height > norm_maxh(core->tvnorm))
587 buf->vb.size = (fh->width * fh->height * fh->fmt->depth) >> 3;
588 if (0 != buf->vb.baddr && buf->vb.bsize < buf->vb.size)
591 if (buf->fmt != fh->fmt ||
592 buf->vb.width != fh->width ||
593 buf->vb.height != fh->height ||
594 buf->vb.field != field) {
596 buf->vb.width = fh->width;
597 buf->vb.height = fh->height;
598 buf->vb.field = field;
602 if (VIDEOBUF_NEEDS_INIT == buf->vb.state) {
604 if (0 != (rc = videobuf_iolock(q,&buf->vb,NULL)))
609 buf->bpl = buf->vb.width * buf->fmt->depth >> 3;
610 switch (buf->vb.field) {
612 cx88_risc_buffer(dev->pci, &buf->risc,
613 dma->sglist, 0, UNSET,
614 buf->bpl, 0, buf->vb.height);
616 case V4L2_FIELD_BOTTOM:
617 cx88_risc_buffer(dev->pci, &buf->risc,
618 dma->sglist, UNSET, 0,
619 buf->bpl, 0, buf->vb.height);
621 case V4L2_FIELD_INTERLACED:
622 cx88_risc_buffer(dev->pci, &buf->risc,
623 dma->sglist, 0, buf->bpl,
625 buf->vb.height >> 1);
627 case V4L2_FIELD_SEQ_TB:
628 cx88_risc_buffer(dev->pci, &buf->risc,
630 0, buf->bpl * (buf->vb.height >> 1),
632 buf->vb.height >> 1);
634 case V4L2_FIELD_SEQ_BT:
635 cx88_risc_buffer(dev->pci, &buf->risc,
637 buf->bpl * (buf->vb.height >> 1), 0,
639 buf->vb.height >> 1);
645 dprintk(2,"[%p/%d] buffer_prepare - %dx%d %dbpp \"%s\" - dma=0x%08lx\n",
647 fh->width, fh->height, fh->fmt->depth, fh->fmt->name,
648 (unsigned long)buf->risc.dma);
650 buf->vb.state = VIDEOBUF_PREPARED;
654 cx88_free_buffer(q,buf);
659 buffer_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb)
661 struct cx88_buffer *buf = container_of(vb,struct cx88_buffer,vb);
662 struct cx88_buffer *prev;
663 struct cx8800_fh *fh = vq->priv_data;
664 struct cx8800_dev *dev = fh->dev;
665 struct cx88_core *core = dev->core;
666 struct cx88_dmaqueue *q = &dev->vidq;
668 /* add jump to stopper */
669 buf->risc.jmp[0] = cpu_to_le32(RISC_JUMP | RISC_IRQ1 | RISC_CNT_INC);
670 buf->risc.jmp[1] = cpu_to_le32(q->stopper.dma);
672 if (!list_empty(&q->queued)) {
673 list_add_tail(&buf->vb.queue,&q->queued);
674 buf->vb.state = VIDEOBUF_QUEUED;
675 dprintk(2,"[%p/%d] buffer_queue - append to queued\n",
678 } else if (list_empty(&q->active)) {
679 list_add_tail(&buf->vb.queue,&q->active);
680 start_video_dma(dev, q, buf);
681 buf->vb.state = VIDEOBUF_ACTIVE;
682 buf->count = q->count++;
683 mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT);
684 dprintk(2,"[%p/%d] buffer_queue - first active\n",
688 prev = list_entry(q->active.prev, struct cx88_buffer, vb.queue);
689 if (prev->vb.width == buf->vb.width &&
690 prev->vb.height == buf->vb.height &&
691 prev->fmt == buf->fmt) {
692 list_add_tail(&buf->vb.queue,&q->active);
693 buf->vb.state = VIDEOBUF_ACTIVE;
694 buf->count = q->count++;
695 prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma);
696 dprintk(2,"[%p/%d] buffer_queue - append to active\n",
700 list_add_tail(&buf->vb.queue,&q->queued);
701 buf->vb.state = VIDEOBUF_QUEUED;
702 dprintk(2,"[%p/%d] buffer_queue - first queued\n",
708 static void buffer_release(struct videobuf_queue *q, struct videobuf_buffer *vb)
710 struct cx88_buffer *buf = container_of(vb,struct cx88_buffer,vb);
712 cx88_free_buffer(q,buf);
715 static struct videobuf_queue_ops cx8800_video_qops = {
716 .buf_setup = buffer_setup,
717 .buf_prepare = buffer_prepare,
718 .buf_queue = buffer_queue,
719 .buf_release = buffer_release,
722 /* ------------------------------------------------------------------ */
725 /* ------------------------------------------------------------------ */
727 static struct videobuf_queue* get_queue(struct cx8800_fh *fh)
730 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
732 case V4L2_BUF_TYPE_VBI_CAPTURE:
740 static int get_ressource(struct cx8800_fh *fh)
743 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
744 return RESOURCE_VIDEO;
745 case V4L2_BUF_TYPE_VBI_CAPTURE:
753 static int video_open(struct inode *inode, struct file *file)
755 int minor = iminor(inode);
756 struct cx8800_dev *h,*dev = NULL;
757 struct cx88_core *core;
758 struct cx8800_fh *fh;
759 enum v4l2_buf_type type = 0;
762 list_for_each_entry(h, &cx8800_devlist, devlist) {
763 if (h->video_dev->minor == minor) {
765 type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
767 if (h->vbi_dev->minor == minor) {
769 type = V4L2_BUF_TYPE_VBI_CAPTURE;
772 h->radio_dev->minor == minor) {
782 dprintk(1,"open minor=%d radio=%d type=%s\n",
783 minor,radio,v4l2_type_names[type]);
785 /* allocate + initialize per filehandle data */
786 fh = kzalloc(sizeof(*fh),GFP_KERNEL);
789 file->private_data = fh;
795 fh->fmt = format_by_fourcc(V4L2_PIX_FMT_BGR24);
797 videobuf_queue_sg_init(&fh->vidq, &cx8800_video_qops,
798 &dev->pci->dev, &dev->slock,
799 V4L2_BUF_TYPE_VIDEO_CAPTURE,
800 V4L2_FIELD_INTERLACED,
801 sizeof(struct cx88_buffer),
803 videobuf_queue_sg_init(&fh->vbiq, &cx8800_vbi_qops,
804 &dev->pci->dev, &dev->slock,
805 V4L2_BUF_TYPE_VBI_CAPTURE,
807 sizeof(struct cx88_buffer),
811 dprintk(1,"video_open: setting radio device\n");
812 cx_write(MO_GP3_IO, core->board.radio.gpio3);
813 cx_write(MO_GP0_IO, core->board.radio.gpio0);
814 cx_write(MO_GP1_IO, core->board.radio.gpio1);
815 cx_write(MO_GP2_IO, core->board.radio.gpio2);
816 core->tvaudio = WW_FM;
817 cx88_set_tvaudio(core);
818 cx88_set_stereo(core,V4L2_TUNER_MODE_STEREO,1);
819 cx88_call_i2c_clients(core,AUDC_SET_RADIO,NULL);
826 video_read(struct file *file, char __user *data, size_t count, loff_t *ppos)
828 struct cx8800_fh *fh = file->private_data;
831 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
832 if (res_locked(fh->dev,RESOURCE_VIDEO))
834 return videobuf_read_one(&fh->vidq, data, count, ppos,
835 file->f_flags & O_NONBLOCK);
836 case V4L2_BUF_TYPE_VBI_CAPTURE:
837 if (!res_get(fh->dev,fh,RESOURCE_VBI))
839 return videobuf_read_stream(&fh->vbiq, data, count, ppos, 1,
840 file->f_flags & O_NONBLOCK);
848 video_poll(struct file *file, struct poll_table_struct *wait)
850 struct cx8800_fh *fh = file->private_data;
851 struct cx88_buffer *buf;
853 if (V4L2_BUF_TYPE_VBI_CAPTURE == fh->type) {
854 if (!res_get(fh->dev,fh,RESOURCE_VBI))
856 return videobuf_poll_stream(file, &fh->vbiq, wait);
859 if (res_check(fh,RESOURCE_VIDEO)) {
860 /* streaming capture */
861 if (list_empty(&fh->vidq.stream))
863 buf = list_entry(fh->vidq.stream.next,struct cx88_buffer,vb.stream);
866 buf = (struct cx88_buffer*)fh->vidq.read_buf;
870 poll_wait(file, &buf->vb.done, wait);
871 if (buf->vb.state == VIDEOBUF_DONE ||
872 buf->vb.state == VIDEOBUF_ERROR)
873 return POLLIN|POLLRDNORM;
877 static int video_release(struct inode *inode, struct file *file)
879 struct cx8800_fh *fh = file->private_data;
880 struct cx8800_dev *dev = fh->dev;
882 /* turn off overlay */
883 if (res_check(fh, RESOURCE_OVERLAY)) {
885 res_free(dev,fh,RESOURCE_OVERLAY);
888 /* stop video capture */
889 if (res_check(fh, RESOURCE_VIDEO)) {
890 videobuf_queue_cancel(&fh->vidq);
891 res_free(dev,fh,RESOURCE_VIDEO);
893 if (fh->vidq.read_buf) {
894 buffer_release(&fh->vidq,fh->vidq.read_buf);
895 kfree(fh->vidq.read_buf);
898 /* stop vbi capture */
899 if (res_check(fh, RESOURCE_VBI)) {
900 videobuf_stop(&fh->vbiq);
901 res_free(dev,fh,RESOURCE_VBI);
904 videobuf_mmap_free(&fh->vidq);
905 videobuf_mmap_free(&fh->vbiq);
906 file->private_data = NULL;
909 cx88_call_i2c_clients (dev->core, TUNER_SET_STANDBY, NULL);
915 video_mmap(struct file *file, struct vm_area_struct * vma)
917 struct cx8800_fh *fh = file->private_data;
919 return videobuf_mmap_mapper(get_queue(fh), vma);
922 /* ------------------------------------------------------------------ */
923 /* VIDEO CTRL IOCTLS */
925 int cx88_get_control (struct cx88_core *core, struct v4l2_control *ctl)
927 struct cx88_ctrl *c = NULL;
931 for (i = 0; i < CX8800_CTLS; i++)
932 if (cx8800_ctls[i].v.id == ctl->id)
934 if (unlikely(NULL == c))
937 value = c->sreg ? cx_sread(c->sreg) : cx_read(c->reg);
939 case V4L2_CID_AUDIO_BALANCE:
940 ctl->value = ((value & 0x7f) < 0x40) ? ((value & 0x7f) + 0x40)
941 : (0x7f - (value & 0x7f));
943 case V4L2_CID_AUDIO_VOLUME:
944 ctl->value = 0x3f - (value & 0x3f);
947 ctl->value = ((value + (c->off << c->shift)) & c->mask) >> c->shift;
950 dprintk(1,"get_control id=0x%X(%s) ctrl=0x%02x, reg=0x%02x val=0x%02x (mask 0x%02x)%s\n",
951 ctl->id, c->v.name, ctl->value, c->reg,
952 value,c->mask, c->sreg ? " [shadowed]" : "");
955 EXPORT_SYMBOL(cx88_get_control);
957 int cx88_set_control(struct cx88_core *core, struct v4l2_control *ctl)
959 struct cx88_ctrl *c = NULL;
963 for (i = 0; i < CX8800_CTLS; i++) {
964 if (cx8800_ctls[i].v.id == ctl->id) {
968 if (unlikely(NULL == c))
971 if (ctl->value < c->v.minimum)
972 ctl->value = c->v.minimum;
973 if (ctl->value > c->v.maximum)
974 ctl->value = c->v.maximum;
977 case V4L2_CID_AUDIO_BALANCE:
978 value = (ctl->value < 0x40) ? (0x7f - ctl->value) : (ctl->value - 0x40);
980 case V4L2_CID_AUDIO_VOLUME:
981 value = 0x3f - (ctl->value & 0x3f);
983 case V4L2_CID_SATURATION:
984 /* special v_sat handling */
986 value = ((ctl->value - c->off) << c->shift) & c->mask;
988 if (core->tvnorm & V4L2_STD_SECAM) {
989 /* For SECAM, both U and V sat should be equal */
990 value=value<<8|value;
992 /* Keeps U Saturation proportional to V Sat */
993 value=(value*0x5a)/0x7f<<8|value;
997 case V4L2_CID_CHROMA_AGC:
998 /* Do not allow chroma AGC to be enabled for SECAM */
999 value = ((ctl->value - c->off) << c->shift) & c->mask;
1000 if (core->tvnorm & V4L2_STD_SECAM && value)
1004 value = ((ctl->value - c->off) << c->shift) & c->mask;
1007 dprintk(1,"set_control id=0x%X(%s) ctrl=0x%02x, reg=0x%02x val=0x%02x (mask 0x%02x)%s\n",
1008 ctl->id, c->v.name, ctl->value, c->reg, value,
1009 mask, c->sreg ? " [shadowed]" : "");
1011 cx_sandor(c->sreg, c->reg, mask, value);
1013 cx_andor(c->reg, mask, value);
1017 EXPORT_SYMBOL(cx88_set_control);
1019 static void init_controls(struct cx88_core *core)
1021 struct v4l2_control ctrl;
1024 for (i = 0; i < CX8800_CTLS; i++) {
1025 ctrl.id=cx8800_ctls[i].v.id;
1026 ctrl.value=cx8800_ctls[i].v.default_value;
1028 cx88_set_control(core, &ctrl);
1032 /* ------------------------------------------------------------------ */
1035 static int vidioc_g_fmt_cap (struct file *file, void *priv,
1036 struct v4l2_format *f)
1038 struct cx8800_fh *fh = priv;
1040 f->fmt.pix.width = fh->width;
1041 f->fmt.pix.height = fh->height;
1042 f->fmt.pix.field = fh->vidq.field;
1043 f->fmt.pix.pixelformat = fh->fmt->fourcc;
1044 f->fmt.pix.bytesperline =
1045 (f->fmt.pix.width * fh->fmt->depth) >> 3;
1046 f->fmt.pix.sizeimage =
1047 f->fmt.pix.height * f->fmt.pix.bytesperline;
1051 static int vidioc_try_fmt_cap (struct file *file, void *priv,
1052 struct v4l2_format *f)
1054 struct cx88_core *core = ((struct cx8800_fh *)priv)->dev->core;
1055 struct cx8800_fmt *fmt;
1056 enum v4l2_field field;
1057 unsigned int maxw, maxh;
1059 fmt = format_by_fourcc(f->fmt.pix.pixelformat);
1063 field = f->fmt.pix.field;
1064 maxw = norm_maxw(core->tvnorm);
1065 maxh = norm_maxh(core->tvnorm);
1067 if (V4L2_FIELD_ANY == field) {
1068 field = (f->fmt.pix.height > maxh/2)
1069 ? V4L2_FIELD_INTERLACED
1070 : V4L2_FIELD_BOTTOM;
1074 case V4L2_FIELD_TOP:
1075 case V4L2_FIELD_BOTTOM:
1078 case V4L2_FIELD_INTERLACED:
1084 f->fmt.pix.field = field;
1085 if (f->fmt.pix.height < 32)
1086 f->fmt.pix.height = 32;
1087 if (f->fmt.pix.height > maxh)
1088 f->fmt.pix.height = maxh;
1089 if (f->fmt.pix.width < 48)
1090 f->fmt.pix.width = 48;
1091 if (f->fmt.pix.width > maxw)
1092 f->fmt.pix.width = maxw;
1093 f->fmt.pix.width &= ~0x03;
1094 f->fmt.pix.bytesperline =
1095 (f->fmt.pix.width * fmt->depth) >> 3;
1096 f->fmt.pix.sizeimage =
1097 f->fmt.pix.height * f->fmt.pix.bytesperline;
1102 static int vidioc_s_fmt_cap (struct file *file, void *priv,
1103 struct v4l2_format *f)
1105 struct cx8800_fh *fh = priv;
1106 int err = vidioc_try_fmt_cap (file,priv,f);
1110 fh->fmt = format_by_fourcc(f->fmt.pix.pixelformat);
1111 fh->width = f->fmt.pix.width;
1112 fh->height = f->fmt.pix.height;
1113 fh->vidq.field = f->fmt.pix.field;
1117 static int vidioc_querycap (struct file *file, void *priv,
1118 struct v4l2_capability *cap)
1120 struct cx8800_dev *dev = ((struct cx8800_fh *)priv)->dev;
1121 struct cx88_core *core = dev->core;
1123 strcpy(cap->driver, "cx8800");
1124 strlcpy(cap->card, core->board.name, sizeof(cap->card));
1125 sprintf(cap->bus_info,"PCI:%s",pci_name(dev->pci));
1126 cap->version = CX88_VERSION_CODE;
1128 V4L2_CAP_VIDEO_CAPTURE |
1129 V4L2_CAP_READWRITE |
1130 V4L2_CAP_STREAMING |
1131 V4L2_CAP_VBI_CAPTURE;
1132 if (UNSET != core->board.tuner_type)
1133 cap->capabilities |= V4L2_CAP_TUNER;
1137 static int vidioc_enum_fmt_cap (struct file *file, void *priv,
1138 struct v4l2_fmtdesc *f)
1140 if (unlikely(f->index >= ARRAY_SIZE(formats)))
1143 strlcpy(f->description,formats[f->index].name,sizeof(f->description));
1144 f->pixelformat = formats[f->index].fourcc;
1149 #ifdef CONFIG_VIDEO_V4L1_COMPAT
1150 static int vidiocgmbuf (struct file *file, void *priv, struct video_mbuf *mbuf)
1152 struct cx8800_fh *fh = priv;
1154 return videobuf_cgmbuf (get_queue(fh), mbuf, 8);
1158 static int vidioc_reqbufs (struct file *file, void *priv, struct v4l2_requestbuffers *p)
1160 struct cx8800_fh *fh = priv;
1161 return (videobuf_reqbufs(get_queue(fh), p));
1164 static int vidioc_querybuf (struct file *file, void *priv, struct v4l2_buffer *p)
1166 struct cx8800_fh *fh = priv;
1167 return (videobuf_querybuf(get_queue(fh), p));
1170 static int vidioc_qbuf (struct file *file, void *priv, struct v4l2_buffer *p)
1172 struct cx8800_fh *fh = priv;
1173 return (videobuf_qbuf(get_queue(fh), p));
1176 static int vidioc_dqbuf (struct file *file, void *priv, struct v4l2_buffer *p)
1178 struct cx8800_fh *fh = priv;
1179 return (videobuf_dqbuf(get_queue(fh), p,
1180 file->f_flags & O_NONBLOCK));
1183 static int vidioc_streamon(struct file *file, void *priv, enum v4l2_buf_type i)
1185 struct cx8800_fh *fh = priv;
1186 struct cx8800_dev *dev = fh->dev;
1188 if (unlikely(fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE))
1190 if (unlikely(i != fh->type))
1193 if (unlikely(!res_get(dev,fh,get_ressource(fh))))
1195 return videobuf_streamon(get_queue(fh));
1198 static int vidioc_streamoff(struct file *file, void *priv, enum v4l2_buf_type i)
1200 struct cx8800_fh *fh = priv;
1201 struct cx8800_dev *dev = fh->dev;
1204 if (fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
1209 res = get_ressource(fh);
1210 err = videobuf_streamoff(get_queue(fh));
1213 res_free(dev,fh,res);
1217 static int vidioc_s_std (struct file *file, void *priv, v4l2_std_id *tvnorms)
1219 struct cx88_core *core = ((struct cx8800_fh *)priv)->dev->core;
1221 mutex_lock(&core->lock);
1222 cx88_set_tvnorm(core,*tvnorms);
1223 mutex_unlock(&core->lock);
1228 /* only one input in this sample driver */
1229 int cx88_enum_input (struct cx88_core *core,struct v4l2_input *i)
1231 static const char *iname[] = {
1232 [ CX88_VMUX_COMPOSITE1 ] = "Composite1",
1233 [ CX88_VMUX_COMPOSITE2 ] = "Composite2",
1234 [ CX88_VMUX_COMPOSITE3 ] = "Composite3",
1235 [ CX88_VMUX_COMPOSITE4 ] = "Composite4",
1236 [ CX88_VMUX_SVIDEO ] = "S-Video",
1237 [ CX88_VMUX_TELEVISION ] = "Television",
1238 [ CX88_VMUX_CABLE ] = "Cable TV",
1239 [ CX88_VMUX_DVB ] = "DVB",
1240 [ CX88_VMUX_DEBUG ] = "for debug only",
1247 if (0 == INPUT(n).type)
1249 memset(i,0,sizeof(*i));
1251 i->type = V4L2_INPUT_TYPE_CAMERA;
1252 strcpy(i->name,iname[INPUT(n).type]);
1253 if ((CX88_VMUX_TELEVISION == INPUT(n).type) ||
1254 (CX88_VMUX_CABLE == INPUT(n).type))
1255 i->type = V4L2_INPUT_TYPE_TUNER;
1256 i->std = CX88_NORMS;
1259 EXPORT_SYMBOL(cx88_enum_input);
1261 static int vidioc_enum_input (struct file *file, void *priv,
1262 struct v4l2_input *i)
1264 struct cx88_core *core = ((struct cx8800_fh *)priv)->dev->core;
1265 return cx88_enum_input (core,i);
1268 static int vidioc_g_input (struct file *file, void *priv, unsigned int *i)
1270 struct cx88_core *core = ((struct cx8800_fh *)priv)->dev->core;
1276 static int vidioc_s_input (struct file *file, void *priv, unsigned int i)
1278 struct cx88_core *core = ((struct cx8800_fh *)priv)->dev->core;
1283 mutex_lock(&core->lock);
1284 cx88_newstation(core);
1285 cx88_video_mux(core,i);
1286 mutex_unlock(&core->lock);
1292 static int vidioc_queryctrl (struct file *file, void *priv,
1293 struct v4l2_queryctrl *qctrl)
1295 struct cx88_core *core = ((struct cx8800_fh *)priv)->dev->core;
1297 qctrl->id = v4l2_ctrl_next(ctrl_classes, qctrl->id);
1298 if (unlikely(qctrl->id == 0))
1300 return cx8800_ctrl_query(core, qctrl);
1303 static int vidioc_g_ctrl (struct file *file, void *priv,
1304 struct v4l2_control *ctl)
1306 struct cx88_core *core = ((struct cx8800_fh *)priv)->dev->core;
1308 cx88_get_control(core,ctl);
1311 static int vidioc_s_ctrl (struct file *file, void *priv,
1312 struct v4l2_control *ctl)
1314 struct cx88_core *core = ((struct cx8800_fh *)priv)->dev->core;
1316 cx88_set_control(core,ctl);
1319 static int vidioc_g_tuner (struct file *file, void *priv,
1320 struct v4l2_tuner *t)
1322 struct cx88_core *core = ((struct cx8800_fh *)priv)->dev->core;
1325 if (unlikely(UNSET == core->board.tuner_type))
1330 strcpy(t->name, "Television");
1331 t->type = V4L2_TUNER_ANALOG_TV;
1332 t->capability = V4L2_TUNER_CAP_NORM;
1333 t->rangehigh = 0xffffffffUL;
1335 cx88_get_stereo(core ,t);
1336 reg = cx_read(MO_DEVICE_STATUS);
1337 t->signal = (reg & (1<<5)) ? 0xffff : 0x0000;
1341 static int vidioc_s_tuner (struct file *file, void *priv,
1342 struct v4l2_tuner *t)
1344 struct cx88_core *core = ((struct cx8800_fh *)priv)->dev->core;
1346 if (UNSET == core->board.tuner_type)
1351 cx88_set_stereo(core, t->audmode, 1);
1355 static int vidioc_g_frequency (struct file *file, void *priv,
1356 struct v4l2_frequency *f)
1358 struct cx8800_fh *fh = priv;
1359 struct cx88_core *core = fh->dev->core;
1361 if (unlikely(UNSET == core->board.tuner_type))
1364 /* f->type = fh->radio ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV; */
1365 f->type = fh->radio ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV;
1366 f->frequency = core->freq;
1368 cx88_call_i2c_clients(core,VIDIOC_G_FREQUENCY,f);
1373 int cx88_set_freq (struct cx88_core *core,
1374 struct v4l2_frequency *f)
1376 if (unlikely(UNSET == core->board.tuner_type))
1378 if (unlikely(f->tuner != 0))
1381 mutex_lock(&core->lock);
1382 core->freq = f->frequency;
1383 cx88_newstation(core);
1384 cx88_call_i2c_clients(core,VIDIOC_S_FREQUENCY,f);
1386 /* When changing channels it is required to reset TVAUDIO */
1388 cx88_set_tvaudio(core);
1390 mutex_unlock(&core->lock);
1394 EXPORT_SYMBOL(cx88_set_freq);
1396 static int vidioc_s_frequency (struct file *file, void *priv,
1397 struct v4l2_frequency *f)
1399 struct cx8800_fh *fh = priv;
1400 struct cx88_core *core = fh->dev->core;
1402 if (unlikely(0 == fh->radio && f->type != V4L2_TUNER_ANALOG_TV))
1404 if (unlikely(1 == fh->radio && f->type != V4L2_TUNER_RADIO))
1408 cx88_set_freq (core,f);
1411 #ifdef CONFIG_VIDEO_ADV_DEBUG
1412 static int vidioc_g_register (struct file *file, void *fh,
1413 struct v4l2_register *reg)
1415 struct cx88_core *core = ((struct cx8800_fh*)fh)->dev->core;
1417 if (!v4l2_chip_match_host(reg->match_type, reg->match_chip))
1419 /* cx2388x has a 24-bit register space */
1420 reg->val = cx_read(reg->reg&0xffffff);
1424 static int vidioc_s_register (struct file *file, void *fh,
1425 struct v4l2_register *reg)
1427 struct cx88_core *core = ((struct cx8800_fh*)fh)->dev->core;
1429 if (!v4l2_chip_match_host(reg->match_type, reg->match_chip))
1431 cx_write(reg->reg&0xffffff, reg->val);
1436 /* ----------------------------------------------------------- */
1437 /* RADIO ESPECIFIC IOCTLS */
1438 /* ----------------------------------------------------------- */
1440 static int radio_querycap (struct file *file, void *priv,
1441 struct v4l2_capability *cap)
1443 struct cx8800_dev *dev = ((struct cx8800_fh *)priv)->dev;
1444 struct cx88_core *core = dev->core;
1446 strcpy(cap->driver, "cx8800");
1447 strlcpy(cap->card, core->board.name, sizeof(cap->card));
1448 sprintf(cap->bus_info,"PCI:%s", pci_name(dev->pci));
1449 cap->version = CX88_VERSION_CODE;
1450 cap->capabilities = V4L2_CAP_TUNER;
1454 static int radio_g_tuner (struct file *file, void *priv,
1455 struct v4l2_tuner *t)
1457 struct cx88_core *core = ((struct cx8800_fh *)priv)->dev->core;
1459 if (unlikely(t->index > 0))
1462 strcpy(t->name, "Radio");
1463 t->type = V4L2_TUNER_RADIO;
1465 cx88_call_i2c_clients(core,VIDIOC_G_TUNER,t);
1469 static int radio_enum_input (struct file *file, void *priv,
1470 struct v4l2_input *i)
1474 strcpy(i->name,"Radio");
1475 i->type = V4L2_INPUT_TYPE_TUNER;
1480 static int radio_g_audio (struct file *file, void *priv, struct v4l2_audio *a)
1482 if (unlikely(a->index))
1485 memset(a,0,sizeof(*a));
1486 strcpy(a->name,"Radio");
1490 /* FIXME: Should add a standard for radio */
1492 static int radio_s_tuner (struct file *file, void *priv,
1493 struct v4l2_tuner *t)
1495 struct cx88_core *core = ((struct cx8800_fh *)priv)->dev->core;
1500 cx88_call_i2c_clients(core,VIDIOC_S_TUNER,t);
1505 static int radio_s_audio (struct file *file, void *fh,
1506 struct v4l2_audio *a)
1511 static int radio_s_input (struct file *file, void *fh, unsigned int i)
1516 static int radio_queryctrl (struct file *file, void *priv,
1517 struct v4l2_queryctrl *c)
1521 if (c->id < V4L2_CID_BASE ||
1522 c->id >= V4L2_CID_LASTP1)
1524 if (c->id == V4L2_CID_AUDIO_MUTE) {
1525 for (i = 0; i < CX8800_CTLS; i++)
1526 if (cx8800_ctls[i].v.id == c->id)
1528 *c = cx8800_ctls[i].v;
1534 /* ----------------------------------------------------------- */
1536 static void cx8800_vid_timeout(unsigned long data)
1538 struct cx8800_dev *dev = (struct cx8800_dev*)data;
1539 struct cx88_core *core = dev->core;
1540 struct cx88_dmaqueue *q = &dev->vidq;
1541 struct cx88_buffer *buf;
1542 unsigned long flags;
1544 cx88_sram_channel_dump(core, &cx88_sram_channels[SRAM_CH21]);
1546 cx_clear(MO_VID_DMACNTRL, 0x11);
1547 cx_clear(VID_CAPTURE_CONTROL, 0x06);
1549 spin_lock_irqsave(&dev->slock,flags);
1550 while (!list_empty(&q->active)) {
1551 buf = list_entry(q->active.next, struct cx88_buffer, vb.queue);
1552 list_del(&buf->vb.queue);
1553 buf->vb.state = VIDEOBUF_ERROR;
1554 wake_up(&buf->vb.done);
1555 printk("%s/0: [%p/%d] timeout - dma=0x%08lx\n", core->name,
1556 buf, buf->vb.i, (unsigned long)buf->risc.dma);
1558 restart_video_queue(dev,q);
1559 spin_unlock_irqrestore(&dev->slock,flags);
1562 static char *cx88_vid_irqs[32] = {
1563 "y_risci1", "u_risci1", "v_risci1", "vbi_risc1",
1564 "y_risci2", "u_risci2", "v_risci2", "vbi_risc2",
1565 "y_oflow", "u_oflow", "v_oflow", "vbi_oflow",
1566 "y_sync", "u_sync", "v_sync", "vbi_sync",
1567 "opc_err", "par_err", "rip_err", "pci_abort",
1570 static void cx8800_vid_irq(struct cx8800_dev *dev)
1572 struct cx88_core *core = dev->core;
1573 u32 status, mask, count;
1575 status = cx_read(MO_VID_INTSTAT);
1576 mask = cx_read(MO_VID_INTMSK);
1577 if (0 == (status & mask))
1579 cx_write(MO_VID_INTSTAT, status);
1580 if (irq_debug || (status & mask & ~0xff))
1581 cx88_print_irqbits(core->name, "irq vid",
1582 cx88_vid_irqs, ARRAY_SIZE(cx88_vid_irqs),
1585 /* risc op code error */
1586 if (status & (1 << 16)) {
1587 printk(KERN_WARNING "%s/0: video risc op code error\n",core->name);
1588 cx_clear(MO_VID_DMACNTRL, 0x11);
1589 cx_clear(VID_CAPTURE_CONTROL, 0x06);
1590 cx88_sram_channel_dump(core, &cx88_sram_channels[SRAM_CH21]);
1594 if (status & 0x01) {
1595 spin_lock(&dev->slock);
1596 count = cx_read(MO_VIDY_GPCNT);
1597 cx88_wakeup(core, &dev->vidq, count);
1598 spin_unlock(&dev->slock);
1602 if (status & 0x08) {
1603 spin_lock(&dev->slock);
1604 count = cx_read(MO_VBI_GPCNT);
1605 cx88_wakeup(core, &dev->vbiq, count);
1606 spin_unlock(&dev->slock);
1610 if (status & 0x10) {
1611 dprintk(2,"stopper video\n");
1612 spin_lock(&dev->slock);
1613 restart_video_queue(dev,&dev->vidq);
1614 spin_unlock(&dev->slock);
1618 if (status & 0x80) {
1619 dprintk(2,"stopper vbi\n");
1620 spin_lock(&dev->slock);
1621 cx8800_restart_vbi_queue(dev,&dev->vbiq);
1622 spin_unlock(&dev->slock);
1626 static irqreturn_t cx8800_irq(int irq, void *dev_id)
1628 struct cx8800_dev *dev = dev_id;
1629 struct cx88_core *core = dev->core;
1631 int loop, handled = 0;
1633 for (loop = 0; loop < 10; loop++) {
1634 status = cx_read(MO_PCI_INTSTAT) &
1635 (core->pci_irqmask | PCI_INT_VIDINT);
1638 cx_write(MO_PCI_INTSTAT, status);
1641 if (status & core->pci_irqmask)
1642 cx88_core_irq(core,status);
1643 if (status & PCI_INT_VIDINT)
1644 cx8800_vid_irq(dev);
1647 printk(KERN_WARNING "%s/0: irq loop -- clearing mask\n",
1649 cx_write(MO_PCI_INTMSK,0);
1653 return IRQ_RETVAL(handled);
1656 /* ----------------------------------------------------------- */
1657 /* exported stuff */
1659 static const struct file_operations video_fops =
1661 .owner = THIS_MODULE,
1663 .release = video_release,
1667 .ioctl = video_ioctl2,
1668 .compat_ioctl = v4l_compat_ioctl32,
1669 .llseek = no_llseek,
1672 static struct video_device cx8800_vbi_template;
1673 static struct video_device cx8800_video_template =
1675 .name = "cx8800-video",
1676 .type = VID_TYPE_CAPTURE|VID_TYPE_TUNER|VID_TYPE_SCALES,
1677 .fops = &video_fops,
1679 .vidioc_querycap = vidioc_querycap,
1680 .vidioc_enum_fmt_cap = vidioc_enum_fmt_cap,
1681 .vidioc_g_fmt_cap = vidioc_g_fmt_cap,
1682 .vidioc_try_fmt_cap = vidioc_try_fmt_cap,
1683 .vidioc_s_fmt_cap = vidioc_s_fmt_cap,
1684 .vidioc_g_fmt_vbi = cx8800_vbi_fmt,
1685 .vidioc_try_fmt_vbi = cx8800_vbi_fmt,
1686 .vidioc_s_fmt_vbi = cx8800_vbi_fmt,
1687 .vidioc_reqbufs = vidioc_reqbufs,
1688 .vidioc_querybuf = vidioc_querybuf,
1689 .vidioc_qbuf = vidioc_qbuf,
1690 .vidioc_dqbuf = vidioc_dqbuf,
1691 .vidioc_s_std = vidioc_s_std,
1692 .vidioc_enum_input = vidioc_enum_input,
1693 .vidioc_g_input = vidioc_g_input,
1694 .vidioc_s_input = vidioc_s_input,
1695 .vidioc_queryctrl = vidioc_queryctrl,
1696 .vidioc_g_ctrl = vidioc_g_ctrl,
1697 .vidioc_s_ctrl = vidioc_s_ctrl,
1698 .vidioc_streamon = vidioc_streamon,
1699 .vidioc_streamoff = vidioc_streamoff,
1700 #ifdef CONFIG_VIDEO_V4L1_COMPAT
1701 .vidiocgmbuf = vidiocgmbuf,
1703 .vidioc_g_tuner = vidioc_g_tuner,
1704 .vidioc_s_tuner = vidioc_s_tuner,
1705 .vidioc_g_frequency = vidioc_g_frequency,
1706 .vidioc_s_frequency = vidioc_s_frequency,
1707 #ifdef CONFIG_VIDEO_ADV_DEBUG
1708 .vidioc_g_register = vidioc_g_register,
1709 .vidioc_s_register = vidioc_s_register,
1711 .tvnorms = CX88_NORMS,
1712 .current_norm = V4L2_STD_NTSC_M,
1715 static const struct file_operations radio_fops =
1717 .owner = THIS_MODULE,
1719 .release = video_release,
1720 .ioctl = video_ioctl2,
1721 .compat_ioctl = v4l_compat_ioctl32,
1722 .llseek = no_llseek,
1725 static struct video_device cx8800_radio_template =
1727 .name = "cx8800-radio",
1728 .type = VID_TYPE_TUNER,
1729 .fops = &radio_fops,
1731 .vidioc_querycap = radio_querycap,
1732 .vidioc_g_tuner = radio_g_tuner,
1733 .vidioc_enum_input = radio_enum_input,
1734 .vidioc_g_audio = radio_g_audio,
1735 .vidioc_s_tuner = radio_s_tuner,
1736 .vidioc_s_audio = radio_s_audio,
1737 .vidioc_s_input = radio_s_input,
1738 .vidioc_queryctrl = radio_queryctrl,
1739 .vidioc_g_ctrl = vidioc_g_ctrl,
1740 .vidioc_s_ctrl = vidioc_s_ctrl,
1741 .vidioc_g_frequency = vidioc_g_frequency,
1742 .vidioc_s_frequency = vidioc_s_frequency,
1743 #ifdef CONFIG_VIDEO_ADV_DEBUG
1744 .vidioc_g_register = vidioc_g_register,
1745 .vidioc_s_register = vidioc_s_register,
1749 /* ----------------------------------------------------------- */
1751 static void cx8800_unregister_video(struct cx8800_dev *dev)
1753 if (dev->radio_dev) {
1754 if (-1 != dev->radio_dev->minor)
1755 video_unregister_device(dev->radio_dev);
1757 video_device_release(dev->radio_dev);
1758 dev->radio_dev = NULL;
1761 if (-1 != dev->vbi_dev->minor)
1762 video_unregister_device(dev->vbi_dev);
1764 video_device_release(dev->vbi_dev);
1765 dev->vbi_dev = NULL;
1767 if (dev->video_dev) {
1768 if (-1 != dev->video_dev->minor)
1769 video_unregister_device(dev->video_dev);
1771 video_device_release(dev->video_dev);
1772 dev->video_dev = NULL;
1776 static int __devinit cx8800_initdev(struct pci_dev *pci_dev,
1777 const struct pci_device_id *pci_id)
1779 struct cx8800_dev *dev;
1780 struct cx88_core *core;
1784 dev = kzalloc(sizeof(*dev),GFP_KERNEL);
1790 if (pci_enable_device(pci_dev)) {
1794 core = cx88_core_get(dev->pci);
1801 /* print pci info */
1802 pci_read_config_byte(pci_dev, PCI_CLASS_REVISION, &dev->pci_rev);
1803 pci_read_config_byte(pci_dev, PCI_LATENCY_TIMER, &dev->pci_lat);
1804 printk(KERN_INFO "%s/0: found at %s, rev: %d, irq: %d, "
1805 "latency: %d, mmio: 0x%llx\n", core->name,
1806 pci_name(pci_dev), dev->pci_rev, pci_dev->irq,
1807 dev->pci_lat,(unsigned long long)pci_resource_start(pci_dev,0));
1809 pci_set_master(pci_dev);
1810 if (!pci_dma_supported(pci_dev,DMA_32BIT_MASK)) {
1811 printk("%s/0: Oops: no 32bit PCI DMA ???\n",core->name);
1816 /* Initialize VBI template */
1817 memcpy( &cx8800_vbi_template, &cx8800_video_template,
1818 sizeof(cx8800_vbi_template) );
1819 strcpy(cx8800_vbi_template.name,"cx8800-vbi");
1820 cx8800_vbi_template.type = VID_TYPE_TELETEXT|VID_TYPE_TUNER;
1822 /* initialize driver struct */
1823 spin_lock_init(&dev->slock);
1824 core->tvnorm = cx8800_video_template.current_norm;
1826 /* init video dma queues */
1827 INIT_LIST_HEAD(&dev->vidq.active);
1828 INIT_LIST_HEAD(&dev->vidq.queued);
1829 dev->vidq.timeout.function = cx8800_vid_timeout;
1830 dev->vidq.timeout.data = (unsigned long)dev;
1831 init_timer(&dev->vidq.timeout);
1832 cx88_risc_stopper(dev->pci,&dev->vidq.stopper,
1833 MO_VID_DMACNTRL,0x11,0x00);
1835 /* init vbi dma queues */
1836 INIT_LIST_HEAD(&dev->vbiq.active);
1837 INIT_LIST_HEAD(&dev->vbiq.queued);
1838 dev->vbiq.timeout.function = cx8800_vbi_timeout;
1839 dev->vbiq.timeout.data = (unsigned long)dev;
1840 init_timer(&dev->vbiq.timeout);
1841 cx88_risc_stopper(dev->pci,&dev->vbiq.stopper,
1842 MO_VID_DMACNTRL,0x88,0x00);
1845 err = request_irq(pci_dev->irq, cx8800_irq,
1846 IRQF_SHARED | IRQF_DISABLED, core->name, dev);
1848 printk(KERN_ERR "%s/0: can't get IRQ %d\n",
1849 core->name,pci_dev->irq);
1852 cx_set(MO_PCI_INTMSK, core->pci_irqmask);
1854 /* load and configure helper modules */
1856 if (core->board.audio_chip == AUDIO_CHIP_WM8775)
1857 request_module("wm8775");
1859 switch (core->boardnr) {
1860 case CX88_BOARD_DVICO_FUSIONHDTV_5_GOLD:
1861 case CX88_BOARD_DVICO_FUSIONHDTV_7_GOLD:
1862 request_module("rtc-isl1208");
1863 /* break intentionally omitted */
1864 case CX88_BOARD_DVICO_FUSIONHDTV_5_PCI_NANO:
1865 request_module("ir-kbd-i2c");
1868 /* register v4l devices */
1869 dev->video_dev = cx88_vdev_init(core,dev->pci,
1870 &cx8800_video_template,"video");
1871 err = video_register_device(dev->video_dev,VFL_TYPE_GRABBER,
1872 video_nr[core->nr]);
1874 printk(KERN_ERR "%s/0: can't register video device\n",
1878 printk(KERN_INFO "%s/0: registered device video%d [v4l2]\n",
1879 core->name,dev->video_dev->minor & 0x1f);
1881 dev->vbi_dev = cx88_vdev_init(core,dev->pci,&cx8800_vbi_template,"vbi");
1882 err = video_register_device(dev->vbi_dev,VFL_TYPE_VBI,
1885 printk(KERN_ERR "%s/0: can't register vbi device\n",
1889 printk(KERN_INFO "%s/0: registered device vbi%d\n",
1890 core->name,dev->vbi_dev->minor & 0x1f);
1892 if (core->board.radio.type == CX88_RADIO) {
1893 dev->radio_dev = cx88_vdev_init(core,dev->pci,
1894 &cx8800_radio_template,"radio");
1895 err = video_register_device(dev->radio_dev,VFL_TYPE_RADIO,
1896 radio_nr[core->nr]);
1898 printk(KERN_ERR "%s/0: can't register radio device\n",
1902 printk(KERN_INFO "%s/0: registered device radio%d\n",
1903 core->name,dev->radio_dev->minor & 0x1f);
1906 /* everything worked */
1907 list_add_tail(&dev->devlist,&cx8800_devlist);
1908 pci_set_drvdata(pci_dev,dev);
1910 /* initial device configuration */
1911 mutex_lock(&core->lock);
1912 cx88_set_tvnorm(core,core->tvnorm);
1913 init_controls(core);
1914 cx88_video_mux(core,0);
1915 mutex_unlock(&core->lock);
1917 /* start tvaudio thread */
1918 if (core->board.tuner_type != TUNER_ABSENT) {
1919 core->kthread = kthread_run(cx88_audio_thread, core, "cx88 tvaudio");
1920 if (IS_ERR(core->kthread)) {
1921 err = PTR_ERR(core->kthread);
1922 printk(KERN_ERR "%s/0: failed to create cx88 audio thread, err=%d\n",
1929 cx8800_unregister_video(dev);
1930 free_irq(pci_dev->irq, dev);
1932 cx88_core_put(core,dev->pci);
1938 static void __devexit cx8800_finidev(struct pci_dev *pci_dev)
1940 struct cx8800_dev *dev = pci_get_drvdata(pci_dev);
1941 struct cx88_core *core = dev->core;
1944 if (core->kthread) {
1945 kthread_stop(core->kthread);
1946 core->kthread = NULL;
1950 cx88_ir_stop(core, core->ir);
1952 cx88_shutdown(core); /* FIXME */
1953 pci_disable_device(pci_dev);
1955 /* unregister stuff */
1957 free_irq(pci_dev->irq, dev);
1958 cx8800_unregister_video(dev);
1959 pci_set_drvdata(pci_dev, NULL);
1962 btcx_riscmem_free(dev->pci,&dev->vidq.stopper);
1963 list_del(&dev->devlist);
1964 cx88_core_put(core,dev->pci);
1969 static int cx8800_suspend(struct pci_dev *pci_dev, pm_message_t state)
1971 struct cx8800_dev *dev = pci_get_drvdata(pci_dev);
1972 struct cx88_core *core = dev->core;
1974 /* stop video+vbi capture */
1975 spin_lock(&dev->slock);
1976 if (!list_empty(&dev->vidq.active)) {
1977 printk("%s/0: suspend video\n", core->name);
1978 stop_video_dma(dev);
1979 del_timer(&dev->vidq.timeout);
1981 if (!list_empty(&dev->vbiq.active)) {
1982 printk("%s/0: suspend vbi\n", core->name);
1983 cx8800_stop_vbi_dma(dev);
1984 del_timer(&dev->vbiq.timeout);
1986 spin_unlock(&dev->slock);
1989 cx88_ir_stop(core, core->ir);
1990 /* FIXME -- shutdown device */
1991 cx88_shutdown(core);
1993 pci_save_state(pci_dev);
1994 if (0 != pci_set_power_state(pci_dev, pci_choose_state(pci_dev, state))) {
1995 pci_disable_device(pci_dev);
1996 dev->state.disabled = 1;
2001 static int cx8800_resume(struct pci_dev *pci_dev)
2003 struct cx8800_dev *dev = pci_get_drvdata(pci_dev);
2004 struct cx88_core *core = dev->core;
2007 if (dev->state.disabled) {
2008 err=pci_enable_device(pci_dev);
2010 printk(KERN_ERR "%s/0: can't enable device\n",
2015 dev->state.disabled = 0;
2017 err= pci_set_power_state(pci_dev, PCI_D0);
2019 printk(KERN_ERR "%s/0: can't set power state\n", core->name);
2020 pci_disable_device(pci_dev);
2021 dev->state.disabled = 1;
2025 pci_restore_state(pci_dev);
2027 /* FIXME: re-initialize hardware */
2030 cx88_ir_start(core, core->ir);
2032 cx_set(MO_PCI_INTMSK, core->pci_irqmask);
2034 /* restart video+vbi capture */
2035 spin_lock(&dev->slock);
2036 if (!list_empty(&dev->vidq.active)) {
2037 printk("%s/0: resume video\n", core->name);
2038 restart_video_queue(dev,&dev->vidq);
2040 if (!list_empty(&dev->vbiq.active)) {
2041 printk("%s/0: resume vbi\n", core->name);
2042 cx8800_restart_vbi_queue(dev,&dev->vbiq);
2044 spin_unlock(&dev->slock);
2050 /* ----------------------------------------------------------- */
2052 static struct pci_device_id cx8800_pci_tbl[] = {
2056 .subvendor = PCI_ANY_ID,
2057 .subdevice = PCI_ANY_ID,
2059 /* --- end of list --- */
2062 MODULE_DEVICE_TABLE(pci, cx8800_pci_tbl);
2064 static struct pci_driver cx8800_pci_driver = {
2066 .id_table = cx8800_pci_tbl,
2067 .probe = cx8800_initdev,
2068 .remove = __devexit_p(cx8800_finidev),
2070 .suspend = cx8800_suspend,
2071 .resume = cx8800_resume,
2075 static int cx8800_init(void)
2077 printk(KERN_INFO "cx88/0: cx2388x v4l2 driver version %d.%d.%d loaded\n",
2078 (CX88_VERSION_CODE >> 16) & 0xff,
2079 (CX88_VERSION_CODE >> 8) & 0xff,
2080 CX88_VERSION_CODE & 0xff);
2082 printk(KERN_INFO "cx2388x: snapshot date %04d-%02d-%02d\n",
2083 SNAPSHOT/10000, (SNAPSHOT/100)%100, SNAPSHOT%100);
2085 return pci_register_driver(&cx8800_pci_driver);
2088 static void cx8800_fini(void)
2090 pci_unregister_driver(&cx8800_pci_driver);
2093 module_init(cx8800_init);
2094 module_exit(cx8800_fini);
2096 /* ----------------------------------------------------------- */
2101 * 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