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 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
23 #include <linux/init.h>
24 #include <linux/list.h>
25 #include <linux/module.h>
26 #include <linux/moduleparam.h>
27 #include <linux/kmod.h>
28 #include <linux/kernel.h>
29 #include <linux/slab.h>
30 #include <linux/interrupt.h>
31 #include <linux/delay.h>
32 #include <linux/kthread.h>
33 #include <asm/div64.h>
36 #include <media/v4l2-common.h>
38 #ifdef CONFIG_VIDEO_V4L1_COMPAT
39 /* Include V4L1 specific functions. Should be removed soon */
40 #include <linux/videodev.h>
43 MODULE_DESCRIPTION("v4l2 driver module for cx2388x based TV cards");
44 MODULE_AUTHOR("Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]");
45 MODULE_LICENSE("GPL");
47 /* ------------------------------------------------------------------ */
49 static unsigned int video_nr[] = {[0 ... (CX88_MAXBOARDS - 1)] = UNSET };
50 static unsigned int vbi_nr[] = {[0 ... (CX88_MAXBOARDS - 1)] = UNSET };
51 static unsigned int radio_nr[] = {[0 ... (CX88_MAXBOARDS - 1)] = UNSET };
53 module_param_array(video_nr, int, NULL, 0444);
54 module_param_array(vbi_nr, int, NULL, 0444);
55 module_param_array(radio_nr, int, NULL, 0444);
57 MODULE_PARM_DESC(video_nr,"video device numbers");
58 MODULE_PARM_DESC(vbi_nr,"vbi device numbers");
59 MODULE_PARM_DESC(radio_nr,"radio device numbers");
61 static unsigned int video_debug = 0;
62 module_param(video_debug,int,0644);
63 MODULE_PARM_DESC(video_debug,"enable debug messages [video]");
65 static unsigned int irq_debug = 0;
66 module_param(irq_debug,int,0644);
67 MODULE_PARM_DESC(irq_debug,"enable debug messages [IRQ handler]");
69 static unsigned int vid_limit = 16;
70 module_param(vid_limit,int,0644);
71 MODULE_PARM_DESC(vid_limit,"capture memory limit in megabytes");
73 #define dprintk(level,fmt, arg...) if (video_debug >= level) \
74 printk(KERN_DEBUG "%s/0: " fmt, core->name , ## arg)
76 /* ------------------------------------------------------------------ */
78 static LIST_HEAD(cx8800_devlist);
80 /* ------------------------------------------------------------------- */
83 static struct cx88_tvnorm tvnorms[] = {
86 .id = V4L2_STD_NTSC_M,
87 .cxiformat = VideoFormatNTSC,
88 .cxoformat = 0x181f0008,
91 .id = V4L2_STD_NTSC_M_JP,
92 .cxiformat = VideoFormatNTSCJapan,
93 .cxoformat = 0x181f0008,
96 .id = V4L2_STD_PAL_BG,
97 .cxiformat = VideoFormatPAL,
98 .cxoformat = 0x181f0008,
101 .id = V4L2_STD_PAL_DK,
102 .cxiformat = VideoFormatPAL,
103 .cxoformat = 0x181f0008,
106 .id = V4L2_STD_PAL_I,
107 .cxiformat = VideoFormatPAL,
108 .cxoformat = 0x181f0008,
111 .id = V4L2_STD_PAL_M,
112 .cxiformat = VideoFormatPALM,
113 .cxoformat = 0x1c1f0008,
116 .id = V4L2_STD_PAL_N,
117 .cxiformat = VideoFormatPALN,
118 .cxoformat = 0x1c1f0008,
121 .id = V4L2_STD_PAL_Nc,
122 .cxiformat = VideoFormatPALNC,
123 .cxoformat = 0x1c1f0008,
126 .id = V4L2_STD_PAL_60,
127 .cxiformat = VideoFormatPAL60,
128 .cxoformat = 0x181f0008,
131 .id = V4L2_STD_SECAM_L,
132 .cxiformat = VideoFormatSECAM,
133 .cxoformat = 0x181f0008,
136 .id = V4L2_STD_SECAM_DK,
137 .cxiformat = VideoFormatSECAM,
138 .cxoformat = 0x181f0008,
142 static struct cx8800_fmt formats[] = {
144 .name = "8 bpp, gray",
145 .fourcc = V4L2_PIX_FMT_GREY,
146 .cxformat = ColorFormatY8,
148 .flags = FORMAT_FLAGS_PACKED,
150 .name = "15 bpp RGB, le",
151 .fourcc = V4L2_PIX_FMT_RGB555,
152 .cxformat = ColorFormatRGB15,
154 .flags = FORMAT_FLAGS_PACKED,
156 .name = "15 bpp RGB, be",
157 .fourcc = V4L2_PIX_FMT_RGB555X,
158 .cxformat = ColorFormatRGB15 | ColorFormatBSWAP,
160 .flags = FORMAT_FLAGS_PACKED,
162 .name = "16 bpp RGB, le",
163 .fourcc = V4L2_PIX_FMT_RGB565,
164 .cxformat = ColorFormatRGB16,
166 .flags = FORMAT_FLAGS_PACKED,
168 .name = "16 bpp RGB, be",
169 .fourcc = V4L2_PIX_FMT_RGB565X,
170 .cxformat = ColorFormatRGB16 | ColorFormatBSWAP,
172 .flags = FORMAT_FLAGS_PACKED,
174 .name = "24 bpp RGB, le",
175 .fourcc = V4L2_PIX_FMT_BGR24,
176 .cxformat = ColorFormatRGB24,
178 .flags = FORMAT_FLAGS_PACKED,
180 .name = "32 bpp RGB, le",
181 .fourcc = V4L2_PIX_FMT_BGR32,
182 .cxformat = ColorFormatRGB32,
184 .flags = FORMAT_FLAGS_PACKED,
186 .name = "32 bpp RGB, be",
187 .fourcc = V4L2_PIX_FMT_RGB32,
188 .cxformat = ColorFormatRGB32 | ColorFormatBSWAP | ColorFormatWSWAP,
190 .flags = FORMAT_FLAGS_PACKED,
192 .name = "4:2:2, packed, YUYV",
193 .fourcc = V4L2_PIX_FMT_YUYV,
194 .cxformat = ColorFormatYUY2,
196 .flags = FORMAT_FLAGS_PACKED,
198 .name = "4:2:2, packed, UYVY",
199 .fourcc = V4L2_PIX_FMT_UYVY,
200 .cxformat = ColorFormatYUY2 | ColorFormatBSWAP,
202 .flags = FORMAT_FLAGS_PACKED,
206 static struct cx8800_fmt* format_by_fourcc(unsigned int fourcc)
210 for (i = 0; i < ARRAY_SIZE(formats); i++)
211 if (formats[i].fourcc == fourcc)
216 /* ------------------------------------------------------------------- */
218 static const struct v4l2_queryctrl no_ctl = {
220 .flags = V4L2_CTRL_FLAG_DISABLED,
223 static struct cx88_ctrl cx8800_ctls[] = {
227 .id = V4L2_CID_BRIGHTNESS,
228 .name = "Brightness",
232 .default_value = 0x7f,
233 .type = V4L2_CTRL_TYPE_INTEGER,
236 .reg = MO_CONTR_BRIGHT,
241 .id = V4L2_CID_CONTRAST,
246 .default_value = 0x3f,
247 .type = V4L2_CTRL_TYPE_INTEGER,
250 .reg = MO_CONTR_BRIGHT,
260 .default_value = 0x7f,
261 .type = V4L2_CTRL_TYPE_INTEGER,
268 /* strictly, this only describes only U saturation.
269 * V saturation is handled specially through code.
272 .id = V4L2_CID_SATURATION,
273 .name = "Saturation",
277 .default_value = 0x7f,
278 .type = V4L2_CTRL_TYPE_INTEGER,
281 .reg = MO_UV_SATURATION,
287 .id = V4L2_CID_AUDIO_MUTE,
292 .type = V4L2_CTRL_TYPE_BOOLEAN,
295 .sreg = SHADOW_AUD_VOL_CTL,
300 .id = V4L2_CID_AUDIO_VOLUME,
305 .default_value = 0x3f,
306 .type = V4L2_CTRL_TYPE_INTEGER,
309 .sreg = SHADOW_AUD_VOL_CTL,
314 .id = V4L2_CID_AUDIO_BALANCE,
319 .default_value = 0x40,
320 .type = V4L2_CTRL_TYPE_INTEGER,
323 .sreg = SHADOW_AUD_BAL_CTL,
328 static const int CX8800_CTLS = ARRAY_SIZE(cx8800_ctls);
330 /* ------------------------------------------------------------------- */
331 /* resource management */
333 static int res_get(struct cx8800_dev *dev, struct cx8800_fh *fh, unsigned int bit)
335 struct cx88_core *core = dev->core;
336 if (fh->resources & bit)
337 /* have it already allocated */
341 mutex_lock(&core->lock);
342 if (dev->resources & bit) {
343 /* no, someone else uses it */
344 mutex_unlock(&core->lock);
347 /* it's free, grab it */
348 fh->resources |= bit;
349 dev->resources |= bit;
350 dprintk(1,"res: get %d\n",bit);
351 mutex_unlock(&core->lock);
356 int res_check(struct cx8800_fh *fh, unsigned int bit)
358 return (fh->resources & bit);
362 int res_locked(struct cx8800_dev *dev, unsigned int bit)
364 return (dev->resources & bit);
368 void res_free(struct cx8800_dev *dev, struct cx8800_fh *fh, unsigned int bits)
370 struct cx88_core *core = dev->core;
371 BUG_ON((fh->resources & bits) != bits);
373 mutex_lock(&core->lock);
374 fh->resources &= ~bits;
375 dev->resources &= ~bits;
376 dprintk(1,"res: put %d\n",bits);
377 mutex_unlock(&core->lock);
380 /* ------------------------------------------------------------------ */
382 /* static int video_mux(struct cx8800_dev *dev, unsigned int input) */
383 static int 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);
415 /* ------------------------------------------------------------------ */
417 static int start_video_dma(struct cx8800_dev *dev,
418 struct cx88_dmaqueue *q,
419 struct cx88_buffer *buf)
421 struct cx88_core *core = dev->core;
423 /* setup fifo + format */
424 cx88_sram_channel_setup(core, &cx88_sram_channels[SRAM_CH21],
425 buf->bpl, buf->risc.dma);
426 cx88_set_scale(core, buf->vb.width, buf->vb.height, buf->vb.field);
427 cx_write(MO_COLOR_CTRL, buf->fmt->cxformat | ColorFormatGamma);
430 cx_write(MO_VIDY_GPCNTRL,GP_COUNT_CONTROL_RESET);
434 cx_set(MO_PCI_INTMSK, core->pci_irqmask | 0x01);
436 /* Enables corresponding bits at PCI_INT_STAT:
437 bits 0 to 4: video, audio, transport stream, VIP, Host
439 bits 8 and 9: DMA complete for: SRC, DST
440 bits 10 and 11: BERR signal asserted for RISC: RD, WR
441 bits 12 to 15: BERR signal asserted for: BRDG, SRC, DST, IPB
443 cx_set(MO_VID_INTMSK, 0x0f0011);
446 cx_set(VID_CAPTURE_CONTROL,0x06);
449 cx_set(MO_DEV_CNTRL2, (1<<5));
450 cx_set(MO_VID_DMACNTRL, 0x11); /* Planar Y and packed FIFO and RISC enable */
455 static int stop_video_dma(struct cx8800_dev *dev)
457 struct cx88_core *core = dev->core;
460 cx_clear(MO_VID_DMACNTRL, 0x11);
462 /* disable capture */
463 cx_clear(VID_CAPTURE_CONTROL,0x06);
466 cx_clear(MO_PCI_INTMSK, 0x000001);
467 cx_clear(MO_VID_INTMSK, 0x0f0011);
471 static int restart_video_queue(struct cx8800_dev *dev,
472 struct cx88_dmaqueue *q)
474 struct cx88_core *core = dev->core;
475 struct cx88_buffer *buf, *prev;
476 struct list_head *item;
478 if (!list_empty(&q->active)) {
479 buf = list_entry(q->active.next, struct cx88_buffer, vb.queue);
480 dprintk(2,"restart_queue [%p/%d]: restart dma\n",
482 start_video_dma(dev, q, buf);
483 list_for_each(item,&q->active) {
484 buf = list_entry(item, struct cx88_buffer, vb.queue);
485 buf->count = q->count++;
487 mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT);
493 if (list_empty(&q->queued))
495 buf = list_entry(q->queued.next, struct cx88_buffer, vb.queue);
497 list_del(&buf->vb.queue);
498 list_add_tail(&buf->vb.queue,&q->active);
499 start_video_dma(dev, q, buf);
500 buf->vb.state = STATE_ACTIVE;
501 buf->count = q->count++;
502 mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT);
503 dprintk(2,"[%p/%d] restart_queue - first active\n",
506 } else if (prev->vb.width == buf->vb.width &&
507 prev->vb.height == buf->vb.height &&
508 prev->fmt == buf->fmt) {
509 list_del(&buf->vb.queue);
510 list_add_tail(&buf->vb.queue,&q->active);
511 buf->vb.state = STATE_ACTIVE;
512 buf->count = q->count++;
513 prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma);
514 dprintk(2,"[%p/%d] restart_queue - move to active\n",
523 /* ------------------------------------------------------------------ */
526 buffer_setup(struct videobuf_queue *q, unsigned int *count, unsigned int *size)
528 struct cx8800_fh *fh = q->priv_data;
530 *size = fh->fmt->depth*fh->width*fh->height >> 3;
533 while (*size * *count > vid_limit * 1024 * 1024)
539 buffer_prepare(struct videobuf_queue *q, struct videobuf_buffer *vb,
540 enum v4l2_field field)
542 struct cx8800_fh *fh = q->priv_data;
543 struct cx8800_dev *dev = fh->dev;
544 struct cx88_core *core = dev->core;
545 struct cx88_buffer *buf = container_of(vb,struct cx88_buffer,vb);
546 int rc, init_buffer = 0;
548 BUG_ON(NULL == fh->fmt);
549 if (fh->width < 48 || fh->width > norm_maxw(core->tvnorm) ||
550 fh->height < 32 || fh->height > norm_maxh(core->tvnorm))
552 buf->vb.size = (fh->width * fh->height * fh->fmt->depth) >> 3;
553 if (0 != buf->vb.baddr && buf->vb.bsize < buf->vb.size)
556 if (buf->fmt != fh->fmt ||
557 buf->vb.width != fh->width ||
558 buf->vb.height != fh->height ||
559 buf->vb.field != field) {
561 buf->vb.width = fh->width;
562 buf->vb.height = fh->height;
563 buf->vb.field = field;
567 if (STATE_NEEDS_INIT == buf->vb.state) {
569 if (0 != (rc = videobuf_iolock(q,&buf->vb,NULL)))
574 buf->bpl = buf->vb.width * buf->fmt->depth >> 3;
575 switch (buf->vb.field) {
577 cx88_risc_buffer(dev->pci, &buf->risc,
578 buf->vb.dma.sglist, 0, UNSET,
579 buf->bpl, 0, buf->vb.height);
581 case V4L2_FIELD_BOTTOM:
582 cx88_risc_buffer(dev->pci, &buf->risc,
583 buf->vb.dma.sglist, UNSET, 0,
584 buf->bpl, 0, buf->vb.height);
586 case V4L2_FIELD_INTERLACED:
587 cx88_risc_buffer(dev->pci, &buf->risc,
588 buf->vb.dma.sglist, 0, buf->bpl,
590 buf->vb.height >> 1);
592 case V4L2_FIELD_SEQ_TB:
593 cx88_risc_buffer(dev->pci, &buf->risc,
595 0, buf->bpl * (buf->vb.height >> 1),
597 buf->vb.height >> 1);
599 case V4L2_FIELD_SEQ_BT:
600 cx88_risc_buffer(dev->pci, &buf->risc,
602 buf->bpl * (buf->vb.height >> 1), 0,
604 buf->vb.height >> 1);
610 dprintk(2,"[%p/%d] buffer_prepare - %dx%d %dbpp \"%s\" - dma=0x%08lx\n",
612 fh->width, fh->height, fh->fmt->depth, fh->fmt->name,
613 (unsigned long)buf->risc.dma);
615 buf->vb.state = STATE_PREPARED;
619 cx88_free_buffer(q,buf);
624 buffer_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb)
626 struct cx88_buffer *buf = container_of(vb,struct cx88_buffer,vb);
627 struct cx88_buffer *prev;
628 struct cx8800_fh *fh = vq->priv_data;
629 struct cx8800_dev *dev = fh->dev;
630 struct cx88_core *core = dev->core;
631 struct cx88_dmaqueue *q = &dev->vidq;
633 /* add jump to stopper */
634 buf->risc.jmp[0] = cpu_to_le32(RISC_JUMP | RISC_IRQ1 | RISC_CNT_INC);
635 buf->risc.jmp[1] = cpu_to_le32(q->stopper.dma);
637 if (!list_empty(&q->queued)) {
638 list_add_tail(&buf->vb.queue,&q->queued);
639 buf->vb.state = STATE_QUEUED;
640 dprintk(2,"[%p/%d] buffer_queue - append to queued\n",
643 } else if (list_empty(&q->active)) {
644 list_add_tail(&buf->vb.queue,&q->active);
645 start_video_dma(dev, q, buf);
646 buf->vb.state = STATE_ACTIVE;
647 buf->count = q->count++;
648 mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT);
649 dprintk(2,"[%p/%d] buffer_queue - first active\n",
653 prev = list_entry(q->active.prev, struct cx88_buffer, vb.queue);
654 if (prev->vb.width == buf->vb.width &&
655 prev->vb.height == buf->vb.height &&
656 prev->fmt == buf->fmt) {
657 list_add_tail(&buf->vb.queue,&q->active);
658 buf->vb.state = STATE_ACTIVE;
659 buf->count = q->count++;
660 prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma);
661 dprintk(2,"[%p/%d] buffer_queue - append to active\n",
665 list_add_tail(&buf->vb.queue,&q->queued);
666 buf->vb.state = STATE_QUEUED;
667 dprintk(2,"[%p/%d] buffer_queue - first queued\n",
673 static void buffer_release(struct videobuf_queue *q, struct videobuf_buffer *vb)
675 struct cx88_buffer *buf = container_of(vb,struct cx88_buffer,vb);
677 cx88_free_buffer(q,buf);
680 static struct videobuf_queue_ops cx8800_video_qops = {
681 .buf_setup = buffer_setup,
682 .buf_prepare = buffer_prepare,
683 .buf_queue = buffer_queue,
684 .buf_release = buffer_release,
687 /* ------------------------------------------------------------------ */
690 /* ------------------------------------------------------------------ */
692 static struct videobuf_queue* get_queue(struct cx8800_fh *fh)
695 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
697 case V4L2_BUF_TYPE_VBI_CAPTURE:
705 static int get_ressource(struct cx8800_fh *fh)
708 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
709 return RESOURCE_VIDEO;
710 case V4L2_BUF_TYPE_VBI_CAPTURE:
718 static int video_open(struct inode *inode, struct file *file)
720 int minor = iminor(inode);
721 struct cx8800_dev *h,*dev = NULL;
722 struct cx88_core *core;
723 struct cx8800_fh *fh;
724 struct list_head *list;
725 enum v4l2_buf_type type = 0;
728 list_for_each(list,&cx8800_devlist) {
729 h = list_entry(list, struct cx8800_dev, devlist);
730 if (h->video_dev->minor == minor) {
732 type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
734 if (h->vbi_dev->minor == minor) {
736 type = V4L2_BUF_TYPE_VBI_CAPTURE;
739 h->radio_dev->minor == minor) {
749 dprintk(1,"open minor=%d radio=%d type=%s\n",
750 minor,radio,v4l2_type_names[type]);
752 /* allocate + initialize per filehandle data */
753 fh = kzalloc(sizeof(*fh),GFP_KERNEL);
756 file->private_data = fh;
762 fh->fmt = format_by_fourcc(V4L2_PIX_FMT_BGR24);
764 videobuf_queue_init(&fh->vidq, &cx8800_video_qops,
765 dev->pci, &dev->slock,
766 V4L2_BUF_TYPE_VIDEO_CAPTURE,
767 V4L2_FIELD_INTERLACED,
768 sizeof(struct cx88_buffer),
770 videobuf_queue_init(&fh->vbiq, &cx8800_vbi_qops,
771 dev->pci, &dev->slock,
772 V4L2_BUF_TYPE_VBI_CAPTURE,
774 sizeof(struct cx88_buffer),
778 int board = core->board;
779 dprintk(1,"video_open: setting radio device\n");
780 cx_write(MO_GP3_IO, cx88_boards[board].radio.gpio3);
781 cx_write(MO_GP0_IO, cx88_boards[board].radio.gpio0);
782 cx_write(MO_GP1_IO, cx88_boards[board].radio.gpio1);
783 cx_write(MO_GP2_IO, cx88_boards[board].radio.gpio2);
784 core->tvaudio = WW_FM;
785 cx88_set_tvaudio(core);
786 cx88_set_stereo(core,V4L2_TUNER_MODE_STEREO,1);
787 cx88_call_i2c_clients(core,AUDC_SET_RADIO,NULL);
794 video_read(struct file *file, char __user *data, size_t count, loff_t *ppos)
796 struct cx8800_fh *fh = file->private_data;
799 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
800 if (res_locked(fh->dev,RESOURCE_VIDEO))
802 return videobuf_read_one(&fh->vidq, data, count, ppos,
803 file->f_flags & O_NONBLOCK);
804 case V4L2_BUF_TYPE_VBI_CAPTURE:
805 if (!res_get(fh->dev,fh,RESOURCE_VBI))
807 return videobuf_read_stream(&fh->vbiq, data, count, ppos, 1,
808 file->f_flags & O_NONBLOCK);
816 video_poll(struct file *file, struct poll_table_struct *wait)
818 struct cx8800_fh *fh = file->private_data;
819 struct cx88_buffer *buf;
821 if (V4L2_BUF_TYPE_VBI_CAPTURE == fh->type) {
822 if (!res_get(fh->dev,fh,RESOURCE_VBI))
824 return videobuf_poll_stream(file, &fh->vbiq, wait);
827 if (res_check(fh,RESOURCE_VIDEO)) {
828 /* streaming capture */
829 if (list_empty(&fh->vidq.stream))
831 buf = list_entry(fh->vidq.stream.next,struct cx88_buffer,vb.stream);
834 buf = (struct cx88_buffer*)fh->vidq.read_buf;
838 poll_wait(file, &buf->vb.done, wait);
839 if (buf->vb.state == STATE_DONE ||
840 buf->vb.state == STATE_ERROR)
841 return POLLIN|POLLRDNORM;
845 static int video_release(struct inode *inode, struct file *file)
847 struct cx8800_fh *fh = file->private_data;
848 struct cx8800_dev *dev = fh->dev;
850 /* turn off overlay */
851 if (res_check(fh, RESOURCE_OVERLAY)) {
853 res_free(dev,fh,RESOURCE_OVERLAY);
856 /* stop video capture */
857 if (res_check(fh, RESOURCE_VIDEO)) {
858 videobuf_queue_cancel(&fh->vidq);
859 res_free(dev,fh,RESOURCE_VIDEO);
861 if (fh->vidq.read_buf) {
862 buffer_release(&fh->vidq,fh->vidq.read_buf);
863 kfree(fh->vidq.read_buf);
866 /* stop vbi capture */
867 if (res_check(fh, RESOURCE_VBI)) {
868 if (fh->vbiq.streaming)
869 videobuf_streamoff(&fh->vbiq);
870 if (fh->vbiq.reading)
871 videobuf_read_stop(&fh->vbiq);
872 res_free(dev,fh,RESOURCE_VBI);
875 videobuf_mmap_free(&fh->vidq);
876 videobuf_mmap_free(&fh->vbiq);
877 file->private_data = NULL;
880 cx88_call_i2c_clients (dev->core, TUNER_SET_STANDBY, NULL);
886 video_mmap(struct file *file, struct vm_area_struct * vma)
888 struct cx8800_fh *fh = file->private_data;
890 return videobuf_mmap_mapper(get_queue(fh), vma);
893 /* ------------------------------------------------------------------ */
895 /* static int get_control(struct cx8800_dev *dev, struct v4l2_control *ctl) */
896 static int get_control(struct cx88_core *core, struct v4l2_control *ctl)
898 /* struct cx88_core *core = dev->core; */
899 struct cx88_ctrl *c = NULL;
903 for (i = 0; i < CX8800_CTLS; i++)
904 if (cx8800_ctls[i].v.id == ctl->id)
909 value = c->sreg ? cx_sread(c->sreg) : cx_read(c->reg);
911 case V4L2_CID_AUDIO_BALANCE:
912 ctl->value = ((value & 0x7f) < 0x40) ? ((value & 0x7f) + 0x40)
913 : (0x7f - (value & 0x7f));
915 case V4L2_CID_AUDIO_VOLUME:
916 ctl->value = 0x3f - (value & 0x3f);
919 ctl->value = ((value + (c->off << c->shift)) & c->mask) >> c->shift;
922 dprintk(1,"get_control id=0x%X(%s) ctrl=0x%02x, reg=0x%02x val=0x%02x (mask 0x%02x)%s\n",
923 ctl->id, c->v.name, ctl->value, c->reg,
924 value,c->mask, c->sreg ? " [shadowed]" : "");
928 /* static int set_control(struct cx8800_dev *dev, struct v4l2_control *ctl) */
929 static int set_control(struct cx88_core *core, struct v4l2_control *ctl)
931 /* struct cx88_core *core = dev->core; */
932 struct cx88_ctrl *c = NULL;
935 for (i = 0; i < CX8800_CTLS; i++) {
936 if (cx8800_ctls[i].v.id == ctl->id) {
943 if (ctl->value < c->v.minimum)
944 ctl->value = c->v.minimum;
945 if (ctl->value > c->v.maximum)
946 ctl->value = c->v.maximum;
949 case V4L2_CID_AUDIO_BALANCE:
950 value = (ctl->value < 0x40) ? (0x7f - ctl->value) : (ctl->value - 0x40);
952 case V4L2_CID_AUDIO_VOLUME:
953 value = 0x3f - (ctl->value & 0x3f);
955 case V4L2_CID_SATURATION:
956 /* special v_sat handling */
958 value = ((ctl->value - c->off) << c->shift) & c->mask;
960 if (core->tvnorm->id & V4L2_STD_SECAM) {
961 /* For SECAM, both U and V sat should be equal */
962 value=value<<8|value;
964 /* Keeps U Saturation proportional to V Sat */
965 value=(value*0x5a)/0x7f<<8|value;
970 value = ((ctl->value - c->off) << c->shift) & c->mask;
973 dprintk(1,"set_control id=0x%X(%s) ctrl=0x%02x, reg=0x%02x val=0x%02x (mask 0x%02x)%s\n",
974 ctl->id, c->v.name, ctl->value, c->reg, value,
975 mask, c->sreg ? " [shadowed]" : "");
977 cx_sandor(c->sreg, c->reg, mask, value);
979 cx_andor(c->reg, mask, value);
984 static void init_controls(struct cx88_core *core)
986 struct v4l2_control ctrl;
989 for (i = 0; i < CX8800_CTLS; i++) {
990 ctrl.id=cx8800_ctls[i].v.id;
991 ctrl.value=cx8800_ctls[i].v.default_value;
992 set_control(core, &ctrl);
996 /* ------------------------------------------------------------------ */
998 static int cx8800_g_fmt(struct cx8800_dev *dev, struct cx8800_fh *fh,
999 struct v4l2_format *f)
1002 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
1003 memset(&f->fmt.pix,0,sizeof(f->fmt.pix));
1004 f->fmt.pix.width = fh->width;
1005 f->fmt.pix.height = fh->height;
1006 f->fmt.pix.field = fh->vidq.field;
1007 f->fmt.pix.pixelformat = fh->fmt->fourcc;
1008 f->fmt.pix.bytesperline =
1009 (f->fmt.pix.width * fh->fmt->depth) >> 3;
1010 f->fmt.pix.sizeimage =
1011 f->fmt.pix.height * f->fmt.pix.bytesperline;
1013 case V4L2_BUF_TYPE_VBI_CAPTURE:
1014 cx8800_vbi_fmt(dev, f);
1021 static int cx8800_try_fmt(struct cx8800_dev *dev, struct cx8800_fh *fh,
1022 struct v4l2_format *f)
1024 struct cx88_core *core = dev->core;
1027 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
1029 struct cx8800_fmt *fmt;
1030 enum v4l2_field field;
1031 unsigned int maxw, maxh;
1033 fmt = format_by_fourcc(f->fmt.pix.pixelformat);
1037 field = f->fmt.pix.field;
1038 maxw = norm_maxw(core->tvnorm);
1039 maxh = norm_maxh(core->tvnorm);
1041 if (V4L2_FIELD_ANY == field) {
1042 field = (f->fmt.pix.height > maxh/2)
1043 ? V4L2_FIELD_INTERLACED
1044 : V4L2_FIELD_BOTTOM;
1048 case V4L2_FIELD_TOP:
1049 case V4L2_FIELD_BOTTOM:
1052 case V4L2_FIELD_INTERLACED:
1058 f->fmt.pix.field = field;
1059 if (f->fmt.pix.height < 32)
1060 f->fmt.pix.height = 32;
1061 if (f->fmt.pix.height > maxh)
1062 f->fmt.pix.height = maxh;
1063 if (f->fmt.pix.width < 48)
1064 f->fmt.pix.width = 48;
1065 if (f->fmt.pix.width > maxw)
1066 f->fmt.pix.width = maxw;
1067 f->fmt.pix.width &= ~0x03;
1068 f->fmt.pix.bytesperline =
1069 (f->fmt.pix.width * fmt->depth) >> 3;
1070 f->fmt.pix.sizeimage =
1071 f->fmt.pix.height * f->fmt.pix.bytesperline;
1075 case V4L2_BUF_TYPE_VBI_CAPTURE:
1076 cx8800_vbi_fmt(dev, f);
1083 static int cx8800_s_fmt(struct cx8800_dev *dev, struct cx8800_fh *fh,
1084 struct v4l2_format *f)
1089 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
1090 err = cx8800_try_fmt(dev,fh,f);
1094 fh->fmt = format_by_fourcc(f->fmt.pix.pixelformat);
1095 fh->width = f->fmt.pix.width;
1096 fh->height = f->fmt.pix.height;
1097 fh->vidq.field = f->fmt.pix.field;
1099 case V4L2_BUF_TYPE_VBI_CAPTURE:
1100 cx8800_vbi_fmt(dev, f);
1108 * This function is _not_ called directly, but from
1109 * video_generic_ioctl (and maybe others). userspace
1110 * copying is done already, arg is a kernel pointer.
1112 static int video_do_ioctl(struct inode *inode, struct file *file,
1113 unsigned int cmd, void *arg)
1115 struct cx8800_fh *fh = file->private_data;
1116 struct cx8800_dev *dev = fh->dev;
1117 struct cx88_core *core = dev->core;
1120 if (video_debug > 1)
1121 v4l_print_ioctl(core->name,cmd);
1124 /* --- capabilities ------------------------------------------ */
1125 case VIDIOC_QUERYCAP:
1127 struct v4l2_capability *cap = arg;
1129 memset(cap,0,sizeof(*cap));
1130 strcpy(cap->driver, "cx8800");
1131 strlcpy(cap->card, cx88_boards[core->board].name,
1133 sprintf(cap->bus_info,"PCI:%s",pci_name(dev->pci));
1134 cap->version = CX88_VERSION_CODE;
1136 V4L2_CAP_VIDEO_CAPTURE |
1137 V4L2_CAP_READWRITE |
1138 V4L2_CAP_STREAMING |
1139 V4L2_CAP_VBI_CAPTURE |
1140 V4L2_CAP_VIDEO_OVERLAY |
1142 if (UNSET != core->tuner_type)
1143 cap->capabilities |= V4L2_CAP_TUNER;
1147 /* --- capture ioctls ---------------------------------------- */
1148 case VIDIOC_ENUM_FMT:
1150 struct v4l2_fmtdesc *f = arg;
1151 enum v4l2_buf_type type;
1157 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
1158 if (index >= ARRAY_SIZE(formats))
1160 memset(f,0,sizeof(*f));
1163 strlcpy(f->description,formats[index].name,sizeof(f->description));
1164 f->pixelformat = formats[index].fourcc;
1173 struct v4l2_format *f = arg;
1174 return cx8800_g_fmt(dev,fh,f);
1178 struct v4l2_format *f = arg;
1179 return cx8800_s_fmt(dev,fh,f);
1181 case VIDIOC_TRY_FMT:
1183 struct v4l2_format *f = arg;
1184 return cx8800_try_fmt(dev,fh,f);
1187 /* --- streaming capture ------------------------------------- */
1190 struct video_mbuf *mbuf = arg;
1191 struct videobuf_queue *q;
1192 struct v4l2_requestbuffers req;
1196 memset(&req,0,sizeof(req));
1199 req.memory = V4L2_MEMORY_MMAP;
1200 err = videobuf_reqbufs(q,&req);
1203 memset(mbuf,0,sizeof(*mbuf));
1204 mbuf->frames = req.count;
1206 for (i = 0; i < mbuf->frames; i++) {
1207 mbuf->offsets[i] = q->bufs[i]->boff;
1208 mbuf->size += q->bufs[i]->bsize;
1213 case VIDIOC_REQBUFS:
1214 return videobuf_reqbufs(get_queue(fh), arg);
1216 case VIDIOC_QUERYBUF:
1217 return videobuf_querybuf(get_queue(fh), arg);
1220 return videobuf_qbuf(get_queue(fh), arg);
1223 return videobuf_dqbuf(get_queue(fh), arg,
1224 file->f_flags & O_NONBLOCK);
1226 case VIDIOC_STREAMON:
1228 int res = get_ressource(fh);
1230 if (!res_get(dev,fh,res))
1232 return videobuf_streamon(get_queue(fh));
1234 case VIDIOC_STREAMOFF:
1236 int res = get_ressource(fh);
1238 err = videobuf_streamoff(get_queue(fh));
1241 res_free(dev,fh,res);
1245 return cx88_do_ioctl( inode, file, fh->radio, core, cmd, arg, video_do_ioctl );
1250 int cx88_do_ioctl(struct inode *inode, struct file *file, int radio,
1251 struct cx88_core *core, unsigned int cmd, void *arg, v4l2_kioctl driver_ioctl)
1256 if (video_debug > 1) {
1257 if (_IOC_DIR(cmd) & _IOC_WRITE)
1258 v4l_printk_ioctl_arg("cx88(w)",cmd, arg);
1259 else if (!_IOC_DIR(cmd) & _IOC_READ) {
1260 v4l_print_ioctl("cx88", cmd);
1263 v4l_print_ioctl(core->name,cmd);
1268 /* ---------- tv norms ---------- */
1269 case VIDIOC_ENUMSTD:
1271 struct v4l2_standard *e = arg;
1275 if (i >= ARRAY_SIZE(tvnorms))
1277 err = v4l2_video_std_construct(e, tvnorms[e->index].id,
1278 tvnorms[e->index].name);
1286 v4l2_std_id *id = arg;
1288 *id = core->tvnorm->id;
1293 v4l2_std_id *id = arg;
1296 for(i = 0; i < ARRAY_SIZE(tvnorms); i++)
1297 if (*id & tvnorms[i].id)
1299 if (i == ARRAY_SIZE(tvnorms))
1302 mutex_lock(&core->lock);
1303 cx88_set_tvnorm(core,&tvnorms[i]);
1304 mutex_unlock(&core->lock);
1308 /* ------ input switching ---------- */
1309 case VIDIOC_ENUMINPUT:
1311 static const char *iname[] = {
1312 [ CX88_VMUX_COMPOSITE1 ] = "Composite1",
1313 [ CX88_VMUX_COMPOSITE2 ] = "Composite2",
1314 [ CX88_VMUX_COMPOSITE3 ] = "Composite3",
1315 [ CX88_VMUX_COMPOSITE4 ] = "Composite4",
1316 [ CX88_VMUX_SVIDEO ] = "S-Video",
1317 [ CX88_VMUX_TELEVISION ] = "Television",
1318 [ CX88_VMUX_CABLE ] = "Cable TV",
1319 [ CX88_VMUX_DVB ] = "DVB",
1320 [ CX88_VMUX_DEBUG ] = "for debug only",
1322 struct v4l2_input *i = arg;
1328 if (0 == INPUT(n)->type)
1330 memset(i,0,sizeof(*i));
1332 i->type = V4L2_INPUT_TYPE_CAMERA;
1333 strcpy(i->name,iname[INPUT(n)->type]);
1334 if ((CX88_VMUX_TELEVISION == INPUT(n)->type) ||
1335 (CX88_VMUX_CABLE == INPUT(n)->type))
1336 i->type = V4L2_INPUT_TYPE_TUNER;
1337 for (n = 0; n < ARRAY_SIZE(tvnorms); n++)
1338 i->std |= tvnorms[n].id;
1341 case VIDIOC_G_INPUT:
1343 unsigned int *i = arg;
1348 case VIDIOC_S_INPUT:
1350 unsigned int *i = arg;
1354 mutex_lock(&core->lock);
1355 cx88_newstation(core);
1357 mutex_unlock(&core->lock);
1363 /* --- controls ---------------------------------------------- */
1364 case VIDIOC_QUERYCTRL:
1366 struct v4l2_queryctrl *c = arg;
1369 if (c->id < V4L2_CID_BASE ||
1370 c->id >= V4L2_CID_LASTP1)
1372 for (i = 0; i < CX8800_CTLS; i++)
1373 if (cx8800_ctls[i].v.id == c->id)
1375 if (i == CX8800_CTLS) {
1379 *c = cx8800_ctls[i].v;
1383 return get_control(core,arg);
1385 return set_control(core,arg);
1387 /* --- tuner ioctls ------------------------------------------ */
1388 case VIDIOC_G_TUNER:
1390 struct v4l2_tuner *t = arg;
1393 if (UNSET == core->tuner_type)
1398 memset(t,0,sizeof(*t));
1399 strcpy(t->name, "Television");
1400 t->type = V4L2_TUNER_ANALOG_TV;
1401 t->capability = V4L2_TUNER_CAP_NORM;
1402 t->rangehigh = 0xffffffffUL;
1404 cx88_get_stereo(core ,t);
1405 reg = cx_read(MO_DEVICE_STATUS);
1406 t->signal = (reg & (1<<5)) ? 0xffff : 0x0000;
1409 case VIDIOC_S_TUNER:
1411 struct v4l2_tuner *t = arg;
1413 if (UNSET == core->tuner_type)
1417 cx88_set_stereo(core, t->audmode, 1);
1420 case VIDIOC_G_FREQUENCY:
1422 struct v4l2_frequency *f = arg;
1424 memset(f,0,sizeof(*f));
1426 if (UNSET == core->tuner_type)
1429 /* f->type = fh->radio ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV; */
1430 f->type = radio ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV;
1431 f->frequency = core->freq;
1433 cx88_call_i2c_clients(core,VIDIOC_G_FREQUENCY,f);
1437 case VIDIOC_S_FREQUENCY:
1439 struct v4l2_frequency *f = arg;
1441 if (UNSET == core->tuner_type)
1445 if (0 == radio && f->type != V4L2_TUNER_ANALOG_TV)
1447 if (1 == radio && f->type != V4L2_TUNER_RADIO)
1449 mutex_lock(&core->lock);
1450 core->freq = f->frequency;
1451 cx88_newstation(core);
1452 cx88_call_i2c_clients(core,VIDIOC_S_FREQUENCY,f);
1454 /* When changing channels it is required to reset TVAUDIO */
1456 cx88_set_tvaudio(core);
1458 mutex_unlock(&core->lock);
1463 return v4l_compat_translate_ioctl(inode,file,cmd,arg,
1469 static int video_ioctl(struct inode *inode, struct file *file,
1470 unsigned int cmd, unsigned long arg)
1474 retval=video_usercopy(inode, file, cmd, arg, video_do_ioctl);
1476 if (video_debug > 1) {
1478 v4l_print_ioctl("cx88(err)", cmd);
1479 printk(KERN_DEBUG "cx88(err): errcode=%d\n",retval);
1480 } else if (_IOC_DIR(cmd) & _IOC_READ)
1481 v4l_printk_ioctl_arg("cx88(r)",cmd, (void *)arg);
1487 /* ----------------------------------------------------------- */
1489 static int radio_do_ioctl(struct inode *inode, struct file *file,
1490 unsigned int cmd, void *arg)
1492 struct cx8800_fh *fh = file->private_data;
1493 struct cx8800_dev *dev = fh->dev;
1494 struct cx88_core *core = dev->core;
1496 if (video_debug > 1)
1497 v4l_print_ioctl(core->name,cmd);
1500 case VIDIOC_QUERYCAP:
1502 struct v4l2_capability *cap = arg;
1504 memset(cap,0,sizeof(*cap));
1505 strcpy(cap->driver, "cx8800");
1506 strlcpy(cap->card, cx88_boards[core->board].name,
1508 sprintf(cap->bus_info,"PCI:%s", pci_name(dev->pci));
1509 cap->version = CX88_VERSION_CODE;
1510 cap->capabilities = V4L2_CAP_TUNER;
1513 case VIDIOC_G_TUNER:
1515 struct v4l2_tuner *t = arg;
1520 memset(t,0,sizeof(*t));
1521 strcpy(t->name, "Radio");
1522 t->type = V4L2_TUNER_RADIO;
1524 cx88_call_i2c_clients(core,VIDIOC_G_TUNER,t);
1527 case VIDIOC_ENUMINPUT:
1529 struct v4l2_input *i = arg;
1533 strcpy(i->name,"Radio");
1534 i->type = V4L2_INPUT_TYPE_TUNER;
1537 case VIDIOC_G_INPUT:
1543 case VIDIOC_G_AUDIO:
1545 struct v4l2_audio *a = arg;
1547 memset(a,0,sizeof(*a));
1548 strcpy(a->name,"Radio");
1553 v4l2_std_id *id = arg;
1560 struct video_tuner *v = arg;
1562 if (v->tuner) /* Only tuner 0 */
1565 cx88_call_i2c_clients(core,VIDIOCSTUNER,v);
1569 case VIDIOC_S_TUNER:
1571 struct v4l2_tuner *t = arg;
1576 cx88_call_i2c_clients(core,VIDIOC_S_TUNER,t);
1581 case VIDIOC_S_AUDIO:
1582 case VIDIOC_S_INPUT:
1586 case VIDIOC_QUERYCTRL:
1588 struct v4l2_queryctrl *c = arg;
1591 if (c->id < V4L2_CID_BASE ||
1592 c->id >= V4L2_CID_LASTP1)
1594 if (c->id == V4L2_CID_AUDIO_MUTE) {
1595 for (i = 0; i < CX8800_CTLS; i++)
1596 if (cx8800_ctls[i].v.id == c->id)
1598 *c = cx8800_ctls[i].v;
1607 case VIDIOC_G_FREQUENCY:
1608 case VIDIOC_S_FREQUENCY:
1609 return video_do_ioctl(inode,file,cmd,arg);
1612 return v4l_compat_translate_ioctl(inode,file,cmd,arg,
1618 static int radio_ioctl(struct inode *inode, struct file *file,
1619 unsigned int cmd, unsigned long arg)
1621 return video_usercopy(inode, file, cmd, arg, radio_do_ioctl);
1624 /* ----------------------------------------------------------- */
1626 static void cx8800_vid_timeout(unsigned long data)
1628 struct cx8800_dev *dev = (struct cx8800_dev*)data;
1629 struct cx88_core *core = dev->core;
1630 struct cx88_dmaqueue *q = &dev->vidq;
1631 struct cx88_buffer *buf;
1632 unsigned long flags;
1634 cx88_sram_channel_dump(core, &cx88_sram_channels[SRAM_CH21]);
1636 cx_clear(MO_VID_DMACNTRL, 0x11);
1637 cx_clear(VID_CAPTURE_CONTROL, 0x06);
1639 spin_lock_irqsave(&dev->slock,flags);
1640 while (!list_empty(&q->active)) {
1641 buf = list_entry(q->active.next, struct cx88_buffer, vb.queue);
1642 list_del(&buf->vb.queue);
1643 buf->vb.state = STATE_ERROR;
1644 wake_up(&buf->vb.done);
1645 printk("%s/0: [%p/%d] timeout - dma=0x%08lx\n", core->name,
1646 buf, buf->vb.i, (unsigned long)buf->risc.dma);
1648 restart_video_queue(dev,q);
1649 spin_unlock_irqrestore(&dev->slock,flags);
1652 static char *cx88_vid_irqs[32] = {
1653 "y_risci1", "u_risci1", "v_risci1", "vbi_risc1",
1654 "y_risci2", "u_risci2", "v_risci2", "vbi_risc2",
1655 "y_oflow", "u_oflow", "v_oflow", "vbi_oflow",
1656 "y_sync", "u_sync", "v_sync", "vbi_sync",
1657 "opc_err", "par_err", "rip_err", "pci_abort",
1660 static void cx8800_vid_irq(struct cx8800_dev *dev)
1662 struct cx88_core *core = dev->core;
1663 u32 status, mask, count;
1665 status = cx_read(MO_VID_INTSTAT);
1666 mask = cx_read(MO_VID_INTMSK);
1667 if (0 == (status & mask))
1669 cx_write(MO_VID_INTSTAT, status);
1670 if (irq_debug || (status & mask & ~0xff))
1671 cx88_print_irqbits(core->name, "irq vid",
1672 cx88_vid_irqs, status, mask);
1674 /* risc op code error */
1675 if (status & (1 << 16)) {
1676 printk(KERN_WARNING "%s/0: video risc op code error\n",core->name);
1677 cx_clear(MO_VID_DMACNTRL, 0x11);
1678 cx_clear(VID_CAPTURE_CONTROL, 0x06);
1679 cx88_sram_channel_dump(core, &cx88_sram_channels[SRAM_CH21]);
1683 if (status & 0x01) {
1684 spin_lock(&dev->slock);
1685 count = cx_read(MO_VIDY_GPCNT);
1686 cx88_wakeup(core, &dev->vidq, count);
1687 spin_unlock(&dev->slock);
1691 if (status & 0x08) {
1692 spin_lock(&dev->slock);
1693 count = cx_read(MO_VBI_GPCNT);
1694 cx88_wakeup(core, &dev->vbiq, count);
1695 spin_unlock(&dev->slock);
1699 if (status & 0x10) {
1700 dprintk(2,"stopper video\n");
1701 spin_lock(&dev->slock);
1702 restart_video_queue(dev,&dev->vidq);
1703 spin_unlock(&dev->slock);
1707 if (status & 0x80) {
1708 dprintk(2,"stopper vbi\n");
1709 spin_lock(&dev->slock);
1710 cx8800_restart_vbi_queue(dev,&dev->vbiq);
1711 spin_unlock(&dev->slock);
1715 static irqreturn_t cx8800_irq(int irq, void *dev_id, struct pt_regs *regs)
1717 struct cx8800_dev *dev = dev_id;
1718 struct cx88_core *core = dev->core;
1720 int loop, handled = 0;
1722 for (loop = 0; loop < 10; loop++) {
1723 status = cx_read(MO_PCI_INTSTAT) & (core->pci_irqmask | 0x01);
1726 cx_write(MO_PCI_INTSTAT, status);
1729 if (status & core->pci_irqmask)
1730 cx88_core_irq(core,status);
1732 cx8800_vid_irq(dev);
1735 printk(KERN_WARNING "%s/0: irq loop -- clearing mask\n",
1737 cx_write(MO_PCI_INTMSK,0);
1741 return IRQ_RETVAL(handled);
1744 /* ----------------------------------------------------------- */
1745 /* exported stuff */
1747 static struct file_operations video_fops =
1749 .owner = THIS_MODULE,
1751 .release = video_release,
1755 .ioctl = video_ioctl,
1756 .compat_ioctl = v4l_compat_ioctl32,
1757 .llseek = no_llseek,
1760 static struct video_device cx8800_video_template =
1762 .name = "cx8800-video",
1763 .type = VID_TYPE_CAPTURE|VID_TYPE_TUNER|VID_TYPE_SCALES,
1765 .fops = &video_fops,
1769 static struct video_device cx8800_vbi_template =
1771 .name = "cx8800-vbi",
1772 .type = VID_TYPE_TELETEXT|VID_TYPE_TUNER,
1774 .fops = &video_fops,
1778 static struct file_operations radio_fops =
1780 .owner = THIS_MODULE,
1782 .release = video_release,
1783 .ioctl = radio_ioctl,
1784 .compat_ioctl = v4l_compat_ioctl32,
1785 .llseek = no_llseek,
1788 static struct video_device cx8800_radio_template =
1790 .name = "cx8800-radio",
1791 .type = VID_TYPE_TUNER,
1793 .fops = &radio_fops,
1797 /* ----------------------------------------------------------- */
1799 static void cx8800_unregister_video(struct cx8800_dev *dev)
1801 if (dev->radio_dev) {
1802 if (-1 != dev->radio_dev->minor)
1803 video_unregister_device(dev->radio_dev);
1805 video_device_release(dev->radio_dev);
1806 dev->radio_dev = NULL;
1809 if (-1 != dev->vbi_dev->minor)
1810 video_unregister_device(dev->vbi_dev);
1812 video_device_release(dev->vbi_dev);
1813 dev->vbi_dev = NULL;
1815 if (dev->video_dev) {
1816 if (-1 != dev->video_dev->minor)
1817 video_unregister_device(dev->video_dev);
1819 video_device_release(dev->video_dev);
1820 dev->video_dev = NULL;
1824 static int __devinit cx8800_initdev(struct pci_dev *pci_dev,
1825 const struct pci_device_id *pci_id)
1827 struct cx8800_dev *dev;
1828 struct cx88_core *core;
1831 dev = kzalloc(sizeof(*dev),GFP_KERNEL);
1837 if (pci_enable_device(pci_dev)) {
1841 core = cx88_core_get(dev->pci);
1848 /* print pci info */
1849 pci_read_config_byte(pci_dev, PCI_CLASS_REVISION, &dev->pci_rev);
1850 pci_read_config_byte(pci_dev, PCI_LATENCY_TIMER, &dev->pci_lat);
1851 printk(KERN_INFO "%s/0: found at %s, rev: %d, irq: %d, "
1852 "latency: %d, mmio: 0x%lx\n", core->name,
1853 pci_name(pci_dev), dev->pci_rev, pci_dev->irq,
1854 dev->pci_lat,pci_resource_start(pci_dev,0));
1856 pci_set_master(pci_dev);
1857 if (!pci_dma_supported(pci_dev,0xffffffff)) {
1858 printk("%s/0: Oops: no 32bit PCI DMA ???\n",core->name);
1863 /* initialize driver struct */
1864 spin_lock_init(&dev->slock);
1865 core->tvnorm = tvnorms;
1867 /* init video dma queues */
1868 INIT_LIST_HEAD(&dev->vidq.active);
1869 INIT_LIST_HEAD(&dev->vidq.queued);
1870 dev->vidq.timeout.function = cx8800_vid_timeout;
1871 dev->vidq.timeout.data = (unsigned long)dev;
1872 init_timer(&dev->vidq.timeout);
1873 cx88_risc_stopper(dev->pci,&dev->vidq.stopper,
1874 MO_VID_DMACNTRL,0x11,0x00);
1876 /* init vbi dma queues */
1877 INIT_LIST_HEAD(&dev->vbiq.active);
1878 INIT_LIST_HEAD(&dev->vbiq.queued);
1879 dev->vbiq.timeout.function = cx8800_vbi_timeout;
1880 dev->vbiq.timeout.data = (unsigned long)dev;
1881 init_timer(&dev->vbiq.timeout);
1882 cx88_risc_stopper(dev->pci,&dev->vbiq.stopper,
1883 MO_VID_DMACNTRL,0x88,0x00);
1886 err = request_irq(pci_dev->irq, cx8800_irq,
1887 SA_SHIRQ | SA_INTERRUPT, core->name, dev);
1889 printk(KERN_ERR "%s: can't get IRQ %d\n",
1890 core->name,pci_dev->irq);
1893 cx_set(MO_PCI_INTMSK, core->pci_irqmask);
1895 /* load and configure helper modules */
1896 if (TUNER_ABSENT != core->tuner_type)
1897 request_module("tuner");
1898 if (core->tda9887_conf)
1899 request_module("tda9887");
1901 /* register v4l devices */
1902 dev->video_dev = cx88_vdev_init(core,dev->pci,
1903 &cx8800_video_template,"video");
1904 err = video_register_device(dev->video_dev,VFL_TYPE_GRABBER,
1905 video_nr[core->nr]);
1907 printk(KERN_INFO "%s: can't register video device\n",
1911 printk(KERN_INFO "%s/0: registered device video%d [v4l2]\n",
1912 core->name,dev->video_dev->minor & 0x1f);
1914 dev->vbi_dev = cx88_vdev_init(core,dev->pci,&cx8800_vbi_template,"vbi");
1915 err = video_register_device(dev->vbi_dev,VFL_TYPE_VBI,
1918 printk(KERN_INFO "%s/0: can't register vbi device\n",
1922 printk(KERN_INFO "%s/0: registered device vbi%d\n",
1923 core->name,dev->vbi_dev->minor & 0x1f);
1925 if (core->has_radio) {
1926 dev->radio_dev = cx88_vdev_init(core,dev->pci,
1927 &cx8800_radio_template,"radio");
1928 err = video_register_device(dev->radio_dev,VFL_TYPE_RADIO,
1929 radio_nr[core->nr]);
1931 printk(KERN_INFO "%s/0: can't register radio device\n",
1935 printk(KERN_INFO "%s/0: registered device radio%d\n",
1936 core->name,dev->radio_dev->minor & 0x1f);
1939 /* everything worked */
1940 list_add_tail(&dev->devlist,&cx8800_devlist);
1941 pci_set_drvdata(pci_dev,dev);
1943 /* initial device configuration */
1944 mutex_lock(&core->lock);
1945 cx88_set_tvnorm(core,tvnorms);
1946 init_controls(core);
1948 mutex_unlock(&core->lock);
1950 /* start tvaudio thread */
1951 if (core->tuner_type != TUNER_ABSENT)
1952 core->kthread = kthread_run(cx88_audio_thread, core, "cx88 tvaudio");
1956 cx8800_unregister_video(dev);
1957 free_irq(pci_dev->irq, dev);
1959 cx88_core_put(core,dev->pci);
1965 static void __devexit cx8800_finidev(struct pci_dev *pci_dev)
1967 struct cx8800_dev *dev = pci_get_drvdata(pci_dev);
1968 struct cx88_core *core = dev->core;
1971 if (core->kthread) {
1972 kthread_stop(core->kthread);
1973 core->kthread = NULL;
1976 cx88_shutdown(core); /* FIXME */
1977 pci_disable_device(pci_dev);
1979 /* unregister stuff */
1981 free_irq(pci_dev->irq, dev);
1982 cx8800_unregister_video(dev);
1983 pci_set_drvdata(pci_dev, NULL);
1986 btcx_riscmem_free(dev->pci,&dev->vidq.stopper);
1987 list_del(&dev->devlist);
1988 cx88_core_put(core,dev->pci);
1992 static int cx8800_suspend(struct pci_dev *pci_dev, pm_message_t state)
1994 struct cx8800_dev *dev = pci_get_drvdata(pci_dev);
1995 struct cx88_core *core = dev->core;
1997 /* stop video+vbi capture */
1998 spin_lock(&dev->slock);
1999 if (!list_empty(&dev->vidq.active)) {
2000 printk("%s: suspend video\n", core->name);
2001 stop_video_dma(dev);
2002 del_timer(&dev->vidq.timeout);
2004 if (!list_empty(&dev->vbiq.active)) {
2005 printk("%s: suspend vbi\n", core->name);
2006 cx8800_stop_vbi_dma(dev);
2007 del_timer(&dev->vbiq.timeout);
2009 spin_unlock(&dev->slock);
2011 /* FIXME -- shutdown device */
2012 cx88_shutdown(core);
2014 pci_save_state(pci_dev);
2015 if (0 != pci_set_power_state(pci_dev, pci_choose_state(pci_dev, state))) {
2016 pci_disable_device(pci_dev);
2017 dev->state.disabled = 1;
2022 static int cx8800_resume(struct pci_dev *pci_dev)
2024 struct cx8800_dev *dev = pci_get_drvdata(pci_dev);
2025 struct cx88_core *core = dev->core;
2028 if (dev->state.disabled) {
2029 err=pci_enable_device(pci_dev);
2031 printk(KERN_ERR "%s: can't enable device\n",
2036 dev->state.disabled = 0;
2038 err= pci_set_power_state(pci_dev, PCI_D0);
2040 printk(KERN_ERR "%s: can't enable device\n",
2043 pci_disable_device(pci_dev);
2044 dev->state.disabled = 1;
2048 pci_restore_state(pci_dev);
2050 /* FIXME: re-initialize hardware */
2053 /* restart video+vbi capture */
2054 spin_lock(&dev->slock);
2055 if (!list_empty(&dev->vidq.active)) {
2056 printk("%s: resume video\n", core->name);
2057 restart_video_queue(dev,&dev->vidq);
2059 if (!list_empty(&dev->vbiq.active)) {
2060 printk("%s: resume vbi\n", core->name);
2061 cx8800_restart_vbi_queue(dev,&dev->vbiq);
2063 spin_unlock(&dev->slock);
2068 /* ----------------------------------------------------------- */
2070 static struct pci_device_id cx8800_pci_tbl[] = {
2074 .subvendor = PCI_ANY_ID,
2075 .subdevice = PCI_ANY_ID,
2077 /* --- end of list --- */
2080 MODULE_DEVICE_TABLE(pci, cx8800_pci_tbl);
2082 static struct pci_driver cx8800_pci_driver = {
2084 .id_table = cx8800_pci_tbl,
2085 .probe = cx8800_initdev,
2086 .remove = __devexit_p(cx8800_finidev),
2088 .suspend = cx8800_suspend,
2089 .resume = cx8800_resume,
2092 static int cx8800_init(void)
2094 printk(KERN_INFO "cx2388x v4l2 driver version %d.%d.%d loaded\n",
2095 (CX88_VERSION_CODE >> 16) & 0xff,
2096 (CX88_VERSION_CODE >> 8) & 0xff,
2097 CX88_VERSION_CODE & 0xff);
2099 printk(KERN_INFO "cx2388x: snapshot date %04d-%02d-%02d\n",
2100 SNAPSHOT/10000, (SNAPSHOT/100)%100, SNAPSHOT%100);
2102 return pci_register_driver(&cx8800_pci_driver);
2105 static void cx8800_fini(void)
2107 pci_unregister_driver(&cx8800_pci_driver);
2110 module_init(cx8800_init);
2111 module_exit(cx8800_fini);
2113 EXPORT_SYMBOL(cx88_do_ioctl);
2115 /* ----------------------------------------------------------- */
2120 * 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