Merge branch 'v4l_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab...
[pandora-kernel.git] / drivers / media / video / cx88 / cx88-video.c
1 /*
2  *
3  * device driver for Conexant 2388x based TV cards
4  * video4linux video interface
5  *
6  * (c) 2003-04 Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]
7  *
8  * (c) 2005-2006 Mauro Carvalho Chehab <mchehab@infradead.org>
9  *      - Multituner support
10  *      - video_ioctl2 conversion
11  *      - PAL/M fixes
12  *
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.
17  *
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.
22  *
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.
26  */
27
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>
39
40 #include "cx88.h"
41 #include <media/v4l2-common.h>
42 #include <media/v4l2-ioctl.h>
43
44 MODULE_DESCRIPTION("v4l2 driver module for cx2388x based TV cards");
45 MODULE_AUTHOR("Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]");
46 MODULE_LICENSE("GPL");
47
48 /* ------------------------------------------------------------------ */
49
50 static unsigned int video_nr[] = {[0 ... (CX88_MAXBOARDS - 1)] = UNSET };
51 static unsigned int vbi_nr[]   = {[0 ... (CX88_MAXBOARDS - 1)] = UNSET };
52 static unsigned int radio_nr[] = {[0 ... (CX88_MAXBOARDS - 1)] = UNSET };
53
54 module_param_array(video_nr, int, NULL, 0444);
55 module_param_array(vbi_nr,   int, NULL, 0444);
56 module_param_array(radio_nr, int, NULL, 0444);
57
58 MODULE_PARM_DESC(video_nr,"video device numbers");
59 MODULE_PARM_DESC(vbi_nr,"vbi device numbers");
60 MODULE_PARM_DESC(radio_nr,"radio device numbers");
61
62 static unsigned int video_debug;
63 module_param(video_debug,int,0644);
64 MODULE_PARM_DESC(video_debug,"enable debug messages [video]");
65
66 static unsigned int irq_debug;
67 module_param(irq_debug,int,0644);
68 MODULE_PARM_DESC(irq_debug,"enable debug messages [IRQ handler]");
69
70 static unsigned int vid_limit = 16;
71 module_param(vid_limit,int,0644);
72 MODULE_PARM_DESC(vid_limit,"capture memory limit in megabytes");
73
74 #define dprintk(level,fmt, arg...)      if (video_debug >= level) \
75         printk(KERN_DEBUG "%s/0: " fmt, core->name , ## arg)
76
77 /* ------------------------------------------------------------------- */
78 /* static data                                                         */
79
80 static const struct cx8800_fmt formats[] = {
81         {
82                 .name     = "8 bpp, gray",
83                 .fourcc   = V4L2_PIX_FMT_GREY,
84                 .cxformat = ColorFormatY8,
85                 .depth    = 8,
86                 .flags    = FORMAT_FLAGS_PACKED,
87         },{
88                 .name     = "15 bpp RGB, le",
89                 .fourcc   = V4L2_PIX_FMT_RGB555,
90                 .cxformat = ColorFormatRGB15,
91                 .depth    = 16,
92                 .flags    = FORMAT_FLAGS_PACKED,
93         },{
94                 .name     = "15 bpp RGB, be",
95                 .fourcc   = V4L2_PIX_FMT_RGB555X,
96                 .cxformat = ColorFormatRGB15 | ColorFormatBSWAP,
97                 .depth    = 16,
98                 .flags    = FORMAT_FLAGS_PACKED,
99         },{
100                 .name     = "16 bpp RGB, le",
101                 .fourcc   = V4L2_PIX_FMT_RGB565,
102                 .cxformat = ColorFormatRGB16,
103                 .depth    = 16,
104                 .flags    = FORMAT_FLAGS_PACKED,
105         },{
106                 .name     = "16 bpp RGB, be",
107                 .fourcc   = V4L2_PIX_FMT_RGB565X,
108                 .cxformat = ColorFormatRGB16 | ColorFormatBSWAP,
109                 .depth    = 16,
110                 .flags    = FORMAT_FLAGS_PACKED,
111         },{
112                 .name     = "24 bpp RGB, le",
113                 .fourcc   = V4L2_PIX_FMT_BGR24,
114                 .cxformat = ColorFormatRGB24,
115                 .depth    = 24,
116                 .flags    = FORMAT_FLAGS_PACKED,
117         },{
118                 .name     = "32 bpp RGB, le",
119                 .fourcc   = V4L2_PIX_FMT_BGR32,
120                 .cxformat = ColorFormatRGB32,
121                 .depth    = 32,
122                 .flags    = FORMAT_FLAGS_PACKED,
123         },{
124                 .name     = "32 bpp RGB, be",
125                 .fourcc   = V4L2_PIX_FMT_RGB32,
126                 .cxformat = ColorFormatRGB32 | ColorFormatBSWAP | ColorFormatWSWAP,
127                 .depth    = 32,
128                 .flags    = FORMAT_FLAGS_PACKED,
129         },{
130                 .name     = "4:2:2, packed, YUYV",
131                 .fourcc   = V4L2_PIX_FMT_YUYV,
132                 .cxformat = ColorFormatYUY2,
133                 .depth    = 16,
134                 .flags    = FORMAT_FLAGS_PACKED,
135         },{
136                 .name     = "4:2:2, packed, UYVY",
137                 .fourcc   = V4L2_PIX_FMT_UYVY,
138                 .cxformat = ColorFormatYUY2 | ColorFormatBSWAP,
139                 .depth    = 16,
140                 .flags    = FORMAT_FLAGS_PACKED,
141         },
142 };
143
144 static const struct cx8800_fmt* format_by_fourcc(unsigned int fourcc)
145 {
146         unsigned int i;
147
148         for (i = 0; i < ARRAY_SIZE(formats); i++)
149                 if (formats[i].fourcc == fourcc)
150                         return formats+i;
151         return NULL;
152 }
153
154 /* ------------------------------------------------------------------- */
155
156 static const struct v4l2_queryctrl no_ctl = {
157         .name  = "42",
158         .flags = V4L2_CTRL_FLAG_DISABLED,
159 };
160
161 static const struct cx88_ctrl cx8800_ctls[] = {
162         /* --- video --- */
163         {
164                 .v = {
165                         .id            = V4L2_CID_BRIGHTNESS,
166                         .name          = "Brightness",
167                         .minimum       = 0x00,
168                         .maximum       = 0xff,
169                         .step          = 1,
170                         .default_value = 0x7f,
171                         .type          = V4L2_CTRL_TYPE_INTEGER,
172                 },
173                 .off                   = 128,
174                 .reg                   = MO_CONTR_BRIGHT,
175                 .mask                  = 0x00ff,
176                 .shift                 = 0,
177         },{
178                 .v = {
179                         .id            = V4L2_CID_CONTRAST,
180                         .name          = "Contrast",
181                         .minimum       = 0,
182                         .maximum       = 0xff,
183                         .step          = 1,
184                         .default_value = 0x3f,
185                         .type          = V4L2_CTRL_TYPE_INTEGER,
186                 },
187                 .off                   = 0,
188                 .reg                   = MO_CONTR_BRIGHT,
189                 .mask                  = 0xff00,
190                 .shift                 = 8,
191         },{
192                 .v = {
193                         .id            = V4L2_CID_HUE,
194                         .name          = "Hue",
195                         .minimum       = 0,
196                         .maximum       = 0xff,
197                         .step          = 1,
198                         .default_value = 0x7f,
199                         .type          = V4L2_CTRL_TYPE_INTEGER,
200                 },
201                 .off                   = 128,
202                 .reg                   = MO_HUE,
203                 .mask                  = 0x00ff,
204                 .shift                 = 0,
205         },{
206                 /* strictly, this only describes only U saturation.
207                  * V saturation is handled specially through code.
208                  */
209                 .v = {
210                         .id            = V4L2_CID_SATURATION,
211                         .name          = "Saturation",
212                         .minimum       = 0,
213                         .maximum       = 0xff,
214                         .step          = 1,
215                         .default_value = 0x7f,
216                         .type          = V4L2_CTRL_TYPE_INTEGER,
217                 },
218                 .off                   = 0,
219                 .reg                   = MO_UV_SATURATION,
220                 .mask                  = 0x00ff,
221                 .shift                 = 0,
222         },{
223                 .v = {
224                         .id            = V4L2_CID_CHROMA_AGC,
225                         .name          = "Chroma AGC",
226                         .minimum       = 0,
227                         .maximum       = 1,
228                         .default_value = 0x1,
229                         .type          = V4L2_CTRL_TYPE_BOOLEAN,
230                 },
231                 .reg                   = MO_INPUT_FORMAT,
232                 .mask                  = 1 << 10,
233                 .shift                 = 10,
234         }, {
235                 .v = {
236                         .id            = V4L2_CID_COLOR_KILLER,
237                         .name          = "Color killer",
238                         .minimum       = 0,
239                         .maximum       = 1,
240                         .default_value = 0x1,
241                         .type          = V4L2_CTRL_TYPE_BOOLEAN,
242                 },
243                 .reg                   = MO_INPUT_FORMAT,
244                 .mask                  = 1 << 9,
245                 .shift                 = 9,
246         }, {
247         /* --- audio --- */
248                 .v = {
249                         .id            = V4L2_CID_AUDIO_MUTE,
250                         .name          = "Mute",
251                         .minimum       = 0,
252                         .maximum       = 1,
253                         .default_value = 1,
254                         .type          = V4L2_CTRL_TYPE_BOOLEAN,
255                 },
256                 .reg                   = AUD_VOL_CTL,
257                 .sreg                  = SHADOW_AUD_VOL_CTL,
258                 .mask                  = (1 << 6),
259                 .shift                 = 6,
260         },{
261                 .v = {
262                         .id            = V4L2_CID_AUDIO_VOLUME,
263                         .name          = "Volume",
264                         .minimum       = 0,
265                         .maximum       = 0x3f,
266                         .step          = 1,
267                         .default_value = 0x3f,
268                         .type          = V4L2_CTRL_TYPE_INTEGER,
269                 },
270                 .reg                   = AUD_VOL_CTL,
271                 .sreg                  = SHADOW_AUD_VOL_CTL,
272                 .mask                  = 0x3f,
273                 .shift                 = 0,
274         },{
275                 .v = {
276                         .id            = V4L2_CID_AUDIO_BALANCE,
277                         .name          = "Balance",
278                         .minimum       = 0,
279                         .maximum       = 0x7f,
280                         .step          = 1,
281                         .default_value = 0x40,
282                         .type          = V4L2_CTRL_TYPE_INTEGER,
283                 },
284                 .reg                   = AUD_BAL_CTL,
285                 .sreg                  = SHADOW_AUD_BAL_CTL,
286                 .mask                  = 0x7f,
287                 .shift                 = 0,
288         }
289 };
290 enum { CX8800_CTLS = ARRAY_SIZE(cx8800_ctls) };
291
292 /* Must be sorted from low to high control ID! */
293 const u32 cx88_user_ctrls[] = {
294         V4L2_CID_USER_CLASS,
295         V4L2_CID_BRIGHTNESS,
296         V4L2_CID_CONTRAST,
297         V4L2_CID_SATURATION,
298         V4L2_CID_HUE,
299         V4L2_CID_AUDIO_VOLUME,
300         V4L2_CID_AUDIO_BALANCE,
301         V4L2_CID_AUDIO_MUTE,
302         V4L2_CID_CHROMA_AGC,
303         V4L2_CID_COLOR_KILLER,
304         0
305 };
306 EXPORT_SYMBOL(cx88_user_ctrls);
307
308 static const u32 * const ctrl_classes[] = {
309         cx88_user_ctrls,
310         NULL
311 };
312
313 int cx8800_ctrl_query(struct cx88_core *core, struct v4l2_queryctrl *qctrl)
314 {
315         int i;
316
317         if (qctrl->id < V4L2_CID_BASE ||
318             qctrl->id >= V4L2_CID_LASTP1)
319                 return -EINVAL;
320         for (i = 0; i < CX8800_CTLS; i++)
321                 if (cx8800_ctls[i].v.id == qctrl->id)
322                         break;
323         if (i == CX8800_CTLS) {
324                 *qctrl = no_ctl;
325                 return 0;
326         }
327         *qctrl = cx8800_ctls[i].v;
328         /* Report chroma AGC as inactive when SECAM is selected */
329         if (cx8800_ctls[i].v.id == V4L2_CID_CHROMA_AGC &&
330             core->tvnorm & V4L2_STD_SECAM)
331                 qctrl->flags |= V4L2_CTRL_FLAG_INACTIVE;
332
333         return 0;
334 }
335 EXPORT_SYMBOL(cx8800_ctrl_query);
336
337 /* ------------------------------------------------------------------- */
338 /* resource management                                                 */
339
340 static int res_get(struct cx8800_dev *dev, struct cx8800_fh *fh, unsigned int bit)
341 {
342         struct cx88_core *core = dev->core;
343         if (fh->resources & bit)
344                 /* have it already allocated */
345                 return 1;
346
347         /* is it free? */
348         mutex_lock(&core->lock);
349         if (dev->resources & bit) {
350                 /* no, someone else uses it */
351                 mutex_unlock(&core->lock);
352                 return 0;
353         }
354         /* it's free, grab it */
355         fh->resources  |= bit;
356         dev->resources |= bit;
357         dprintk(1,"res: get %d\n",bit);
358         mutex_unlock(&core->lock);
359         return 1;
360 }
361
362 static
363 int res_check(struct cx8800_fh *fh, unsigned int bit)
364 {
365         return (fh->resources & bit);
366 }
367
368 static
369 int res_locked(struct cx8800_dev *dev, unsigned int bit)
370 {
371         return (dev->resources & bit);
372 }
373
374 static
375 void res_free(struct cx8800_dev *dev, struct cx8800_fh *fh, unsigned int bits)
376 {
377         struct cx88_core *core = dev->core;
378         BUG_ON((fh->resources & bits) != bits);
379
380         mutex_lock(&core->lock);
381         fh->resources  &= ~bits;
382         dev->resources &= ~bits;
383         dprintk(1,"res: put %d\n",bits);
384         mutex_unlock(&core->lock);
385 }
386
387 /* ------------------------------------------------------------------ */
388
389 int cx88_video_mux(struct cx88_core *core, unsigned int input)
390 {
391         /* struct cx88_core *core = dev->core; */
392
393         dprintk(1,"video_mux: %d [vmux=%d,gpio=0x%x,0x%x,0x%x,0x%x]\n",
394                 input, INPUT(input).vmux,
395                 INPUT(input).gpio0,INPUT(input).gpio1,
396                 INPUT(input).gpio2,INPUT(input).gpio3);
397         core->input = input;
398         cx_andor(MO_INPUT_FORMAT, 0x03 << 14, INPUT(input).vmux << 14);
399         cx_write(MO_GP3_IO, INPUT(input).gpio3);
400         cx_write(MO_GP0_IO, INPUT(input).gpio0);
401         cx_write(MO_GP1_IO, INPUT(input).gpio1);
402         cx_write(MO_GP2_IO, INPUT(input).gpio2);
403
404         switch (INPUT(input).type) {
405         case CX88_VMUX_SVIDEO:
406                 cx_set(MO_AFECFG_IO,    0x00000001);
407                 cx_set(MO_INPUT_FORMAT, 0x00010010);
408                 cx_set(MO_FILTER_EVEN,  0x00002020);
409                 cx_set(MO_FILTER_ODD,   0x00002020);
410                 break;
411         default:
412                 cx_clear(MO_AFECFG_IO,    0x00000001);
413                 cx_clear(MO_INPUT_FORMAT, 0x00010010);
414                 cx_clear(MO_FILTER_EVEN,  0x00002020);
415                 cx_clear(MO_FILTER_ODD,   0x00002020);
416                 break;
417         }
418
419         /* if there are audioroutes defined, we have an external
420            ADC to deal with audio */
421         if (INPUT(input).audioroute) {
422                 /* The wm8775 module has the "2" route hardwired into
423                    the initialization. Some boards may use different
424                    routes for different inputs. HVR-1300 surely does */
425                 if (core->board.audio_chip &&
426                     core->board.audio_chip == V4L2_IDENT_WM8775) {
427                         call_all(core, audio, s_routing,
428                                  INPUT(input).audioroute, 0, 0);
429                 }
430                 /* cx2388's C-ADC is connected to the tuner only.
431                    When used with S-Video, that ADC is busy dealing with
432                    chroma, so an external must be used for baseband audio */
433                 if (INPUT(input).type != CX88_VMUX_TELEVISION &&
434                     INPUT(input).type != CX88_VMUX_CABLE) {
435                         /* "I2S ADC mode" */
436                         core->tvaudio = WW_I2SADC;
437                         cx88_set_tvaudio(core);
438                 } else {
439                         /* Normal mode */
440                         cx_write(AUD_I2SCNTL, 0x0);
441                         cx_clear(AUD_CTL, EN_I2SIN_ENABLE);
442                 }
443         }
444
445         return 0;
446 }
447 EXPORT_SYMBOL(cx88_video_mux);
448
449 /* ------------------------------------------------------------------ */
450
451 static int start_video_dma(struct cx8800_dev    *dev,
452                            struct cx88_dmaqueue *q,
453                            struct cx88_buffer   *buf)
454 {
455         struct cx88_core *core = dev->core;
456
457         /* setup fifo + format */
458         cx88_sram_channel_setup(core, &cx88_sram_channels[SRAM_CH21],
459                                 buf->bpl, buf->risc.dma);
460         cx88_set_scale(core, buf->vb.width, buf->vb.height, buf->vb.field);
461         cx_write(MO_COLOR_CTRL, buf->fmt->cxformat | ColorFormatGamma);
462
463         /* reset counter */
464         cx_write(MO_VIDY_GPCNTRL,GP_COUNT_CONTROL_RESET);
465         q->count = 1;
466
467         /* enable irqs */
468         cx_set(MO_PCI_INTMSK, core->pci_irqmask | PCI_INT_VIDINT);
469
470         /* Enables corresponding bits at PCI_INT_STAT:
471                 bits 0 to 4: video, audio, transport stream, VIP, Host
472                 bit 7: timer
473                 bits 8 and 9: DMA complete for: SRC, DST
474                 bits 10 and 11: BERR signal asserted for RISC: RD, WR
475                 bits 12 to 15: BERR signal asserted for: BRDG, SRC, DST, IPB
476          */
477         cx_set(MO_VID_INTMSK, 0x0f0011);
478
479         /* enable capture */
480         cx_set(VID_CAPTURE_CONTROL,0x06);
481
482         /* start dma */
483         cx_set(MO_DEV_CNTRL2, (1<<5));
484         cx_set(MO_VID_DMACNTRL, 0x11); /* Planar Y and packed FIFO and RISC enable */
485
486         return 0;
487 }
488
489 #ifdef CONFIG_PM
490 static int stop_video_dma(struct cx8800_dev    *dev)
491 {
492         struct cx88_core *core = dev->core;
493
494         /* stop dma */
495         cx_clear(MO_VID_DMACNTRL, 0x11);
496
497         /* disable capture */
498         cx_clear(VID_CAPTURE_CONTROL,0x06);
499
500         /* disable irqs */
501         cx_clear(MO_PCI_INTMSK, PCI_INT_VIDINT);
502         cx_clear(MO_VID_INTMSK, 0x0f0011);
503         return 0;
504 }
505 #endif
506
507 static int restart_video_queue(struct cx8800_dev    *dev,
508                                struct cx88_dmaqueue *q)
509 {
510         struct cx88_core *core = dev->core;
511         struct cx88_buffer *buf, *prev;
512
513         if (!list_empty(&q->active)) {
514                 buf = list_entry(q->active.next, struct cx88_buffer, vb.queue);
515                 dprintk(2,"restart_queue [%p/%d]: restart dma\n",
516                         buf, buf->vb.i);
517                 start_video_dma(dev, q, buf);
518                 list_for_each_entry(buf, &q->active, vb.queue)
519                         buf->count = q->count++;
520                 mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT);
521                 return 0;
522         }
523
524         prev = NULL;
525         for (;;) {
526                 if (list_empty(&q->queued))
527                         return 0;
528                 buf = list_entry(q->queued.next, struct cx88_buffer, vb.queue);
529                 if (NULL == prev) {
530                         list_move_tail(&buf->vb.queue, &q->active);
531                         start_video_dma(dev, q, buf);
532                         buf->vb.state = VIDEOBUF_ACTIVE;
533                         buf->count    = q->count++;
534                         mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT);
535                         dprintk(2,"[%p/%d] restart_queue - first active\n",
536                                 buf,buf->vb.i);
537
538                 } else if (prev->vb.width  == buf->vb.width  &&
539                            prev->vb.height == buf->vb.height &&
540                            prev->fmt       == buf->fmt) {
541                         list_move_tail(&buf->vb.queue, &q->active);
542                         buf->vb.state = VIDEOBUF_ACTIVE;
543                         buf->count    = q->count++;
544                         prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma);
545                         dprintk(2,"[%p/%d] restart_queue - move to active\n",
546                                 buf,buf->vb.i);
547                 } else {
548                         return 0;
549                 }
550                 prev = buf;
551         }
552 }
553
554 /* ------------------------------------------------------------------ */
555
556 static int
557 buffer_setup(struct videobuf_queue *q, unsigned int *count, unsigned int *size)
558 {
559         struct cx8800_fh *fh = q->priv_data;
560
561         *size = fh->fmt->depth*fh->width*fh->height >> 3;
562         if (0 == *count)
563                 *count = 32;
564         if (*size * *count > vid_limit * 1024 * 1024)
565                 *count = (vid_limit * 1024 * 1024) / *size;
566         return 0;
567 }
568
569 static int
570 buffer_prepare(struct videobuf_queue *q, struct videobuf_buffer *vb,
571                enum v4l2_field field)
572 {
573         struct cx8800_fh   *fh  = q->priv_data;
574         struct cx8800_dev  *dev = fh->dev;
575         struct cx88_core *core = dev->core;
576         struct cx88_buffer *buf = container_of(vb,struct cx88_buffer,vb);
577         struct videobuf_dmabuf *dma=videobuf_to_dma(&buf->vb);
578         int rc, init_buffer = 0;
579
580         BUG_ON(NULL == fh->fmt);
581         if (fh->width  < 48 || fh->width  > norm_maxw(core->tvnorm) ||
582             fh->height < 32 || fh->height > norm_maxh(core->tvnorm))
583                 return -EINVAL;
584         buf->vb.size = (fh->width * fh->height * fh->fmt->depth) >> 3;
585         if (0 != buf->vb.baddr  &&  buf->vb.bsize < buf->vb.size)
586                 return -EINVAL;
587
588         if (buf->fmt       != fh->fmt    ||
589             buf->vb.width  != fh->width  ||
590             buf->vb.height != fh->height ||
591             buf->vb.field  != field) {
592                 buf->fmt       = fh->fmt;
593                 buf->vb.width  = fh->width;
594                 buf->vb.height = fh->height;
595                 buf->vb.field  = field;
596                 init_buffer = 1;
597         }
598
599         if (VIDEOBUF_NEEDS_INIT == buf->vb.state) {
600                 init_buffer = 1;
601                 if (0 != (rc = videobuf_iolock(q,&buf->vb,NULL)))
602                         goto fail;
603         }
604
605         if (init_buffer) {
606                 buf->bpl = buf->vb.width * buf->fmt->depth >> 3;
607                 switch (buf->vb.field) {
608                 case V4L2_FIELD_TOP:
609                         cx88_risc_buffer(dev->pci, &buf->risc,
610                                          dma->sglist, 0, UNSET,
611                                          buf->bpl, 0, buf->vb.height);
612                         break;
613                 case V4L2_FIELD_BOTTOM:
614                         cx88_risc_buffer(dev->pci, &buf->risc,
615                                          dma->sglist, UNSET, 0,
616                                          buf->bpl, 0, buf->vb.height);
617                         break;
618                 case V4L2_FIELD_INTERLACED:
619                         cx88_risc_buffer(dev->pci, &buf->risc,
620                                          dma->sglist, 0, buf->bpl,
621                                          buf->bpl, buf->bpl,
622                                          buf->vb.height >> 1);
623                         break;
624                 case V4L2_FIELD_SEQ_TB:
625                         cx88_risc_buffer(dev->pci, &buf->risc,
626                                          dma->sglist,
627                                          0, buf->bpl * (buf->vb.height >> 1),
628                                          buf->bpl, 0,
629                                          buf->vb.height >> 1);
630                         break;
631                 case V4L2_FIELD_SEQ_BT:
632                         cx88_risc_buffer(dev->pci, &buf->risc,
633                                          dma->sglist,
634                                          buf->bpl * (buf->vb.height >> 1), 0,
635                                          buf->bpl, 0,
636                                          buf->vb.height >> 1);
637                         break;
638                 default:
639                         BUG();
640                 }
641         }
642         dprintk(2,"[%p/%d] buffer_prepare - %dx%d %dbpp \"%s\" - dma=0x%08lx\n",
643                 buf, buf->vb.i,
644                 fh->width, fh->height, fh->fmt->depth, fh->fmt->name,
645                 (unsigned long)buf->risc.dma);
646
647         buf->vb.state = VIDEOBUF_PREPARED;
648         return 0;
649
650  fail:
651         cx88_free_buffer(q,buf);
652         return rc;
653 }
654
655 static void
656 buffer_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb)
657 {
658         struct cx88_buffer    *buf = container_of(vb,struct cx88_buffer,vb);
659         struct cx88_buffer    *prev;
660         struct cx8800_fh      *fh   = vq->priv_data;
661         struct cx8800_dev     *dev  = fh->dev;
662         struct cx88_core      *core = dev->core;
663         struct cx88_dmaqueue  *q    = &dev->vidq;
664
665         /* add jump to stopper */
666         buf->risc.jmp[0] = cpu_to_le32(RISC_JUMP | RISC_IRQ1 | RISC_CNT_INC);
667         buf->risc.jmp[1] = cpu_to_le32(q->stopper.dma);
668
669         if (!list_empty(&q->queued)) {
670                 list_add_tail(&buf->vb.queue,&q->queued);
671                 buf->vb.state = VIDEOBUF_QUEUED;
672                 dprintk(2,"[%p/%d] buffer_queue - append to queued\n",
673                         buf, buf->vb.i);
674
675         } else if (list_empty(&q->active)) {
676                 list_add_tail(&buf->vb.queue,&q->active);
677                 start_video_dma(dev, q, buf);
678                 buf->vb.state = VIDEOBUF_ACTIVE;
679                 buf->count    = q->count++;
680                 mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT);
681                 dprintk(2,"[%p/%d] buffer_queue - first active\n",
682                         buf, buf->vb.i);
683
684         } else {
685                 prev = list_entry(q->active.prev, struct cx88_buffer, vb.queue);
686                 if (prev->vb.width  == buf->vb.width  &&
687                     prev->vb.height == buf->vb.height &&
688                     prev->fmt       == buf->fmt) {
689                         list_add_tail(&buf->vb.queue,&q->active);
690                         buf->vb.state = VIDEOBUF_ACTIVE;
691                         buf->count    = q->count++;
692                         prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma);
693                         dprintk(2,"[%p/%d] buffer_queue - append to active\n",
694                                 buf, buf->vb.i);
695
696                 } else {
697                         list_add_tail(&buf->vb.queue,&q->queued);
698                         buf->vb.state = VIDEOBUF_QUEUED;
699                         dprintk(2,"[%p/%d] buffer_queue - first queued\n",
700                                 buf, buf->vb.i);
701                 }
702         }
703 }
704
705 static void buffer_release(struct videobuf_queue *q, struct videobuf_buffer *vb)
706 {
707         struct cx88_buffer *buf = container_of(vb,struct cx88_buffer,vb);
708
709         cx88_free_buffer(q,buf);
710 }
711
712 static const struct videobuf_queue_ops cx8800_video_qops = {
713         .buf_setup    = buffer_setup,
714         .buf_prepare  = buffer_prepare,
715         .buf_queue    = buffer_queue,
716         .buf_release  = buffer_release,
717 };
718
719 /* ------------------------------------------------------------------ */
720
721
722 /* ------------------------------------------------------------------ */
723
724 static struct videobuf_queue* get_queue(struct cx8800_fh *fh)
725 {
726         switch (fh->type) {
727         case V4L2_BUF_TYPE_VIDEO_CAPTURE:
728                 return &fh->vidq;
729         case V4L2_BUF_TYPE_VBI_CAPTURE:
730                 return &fh->vbiq;
731         default:
732                 BUG();
733                 return NULL;
734         }
735 }
736
737 static int get_ressource(struct cx8800_fh *fh)
738 {
739         switch (fh->type) {
740         case V4L2_BUF_TYPE_VIDEO_CAPTURE:
741                 return RESOURCE_VIDEO;
742         case V4L2_BUF_TYPE_VBI_CAPTURE:
743                 return RESOURCE_VBI;
744         default:
745                 BUG();
746                 return 0;
747         }
748 }
749
750 static int video_open(struct file *file)
751 {
752         struct video_device *vdev = video_devdata(file);
753         struct cx8800_dev *dev = video_drvdata(file);
754         struct cx88_core *core = dev->core;
755         struct cx8800_fh *fh;
756         enum v4l2_buf_type type = 0;
757         int radio = 0;
758
759         switch (vdev->vfl_type) {
760         case VFL_TYPE_GRABBER:
761                 type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
762                 break;
763         case VFL_TYPE_VBI:
764                 type = V4L2_BUF_TYPE_VBI_CAPTURE;
765                 break;
766         case VFL_TYPE_RADIO:
767                 radio = 1;
768                 break;
769         }
770
771         dprintk(1, "open dev=%s radio=%d type=%s\n",
772                 video_device_node_name(vdev), radio, v4l2_type_names[type]);
773
774         /* allocate + initialize per filehandle data */
775         fh = kzalloc(sizeof(*fh),GFP_KERNEL);
776         if (unlikely(!fh))
777                 return -ENOMEM;
778
779         file->private_data = fh;
780         fh->dev      = dev;
781         fh->radio    = radio;
782         fh->type     = type;
783         fh->width    = 320;
784         fh->height   = 240;
785         fh->fmt      = format_by_fourcc(V4L2_PIX_FMT_BGR24);
786
787         mutex_lock(&core->lock);
788
789         videobuf_queue_sg_init(&fh->vidq, &cx8800_video_qops,
790                             &dev->pci->dev, &dev->slock,
791                             V4L2_BUF_TYPE_VIDEO_CAPTURE,
792                             V4L2_FIELD_INTERLACED,
793                             sizeof(struct cx88_buffer),
794                             fh, NULL);
795         videobuf_queue_sg_init(&fh->vbiq, &cx8800_vbi_qops,
796                             &dev->pci->dev, &dev->slock,
797                             V4L2_BUF_TYPE_VBI_CAPTURE,
798                             V4L2_FIELD_SEQ_TB,
799                             sizeof(struct cx88_buffer),
800                             fh, NULL);
801
802         if (fh->radio) {
803                 dprintk(1,"video_open: setting radio device\n");
804                 cx_write(MO_GP3_IO, core->board.radio.gpio3);
805                 cx_write(MO_GP0_IO, core->board.radio.gpio0);
806                 cx_write(MO_GP1_IO, core->board.radio.gpio1);
807                 cx_write(MO_GP2_IO, core->board.radio.gpio2);
808                 if (core->board.radio.audioroute) {
809                         if(core->board.audio_chip &&
810                                 core->board.audio_chip == V4L2_IDENT_WM8775) {
811                                 call_all(core, audio, s_routing,
812                                         core->board.radio.audioroute, 0, 0);
813                         }
814                         /* "I2S ADC mode" */
815                         core->tvaudio = WW_I2SADC;
816                         cx88_set_tvaudio(core);
817                 } else {
818                         /* FM Mode */
819                         core->tvaudio = WW_FM;
820                         cx88_set_tvaudio(core);
821                         cx88_set_stereo(core,V4L2_TUNER_MODE_STEREO,1);
822                 }
823                 call_all(core, tuner, s_radio);
824         }
825
826         atomic_inc(&core->users);
827         mutex_unlock(&core->lock);
828
829         return 0;
830 }
831
832 static ssize_t
833 video_read(struct file *file, char __user *data, size_t count, loff_t *ppos)
834 {
835         struct cx8800_fh *fh = file->private_data;
836
837         switch (fh->type) {
838         case V4L2_BUF_TYPE_VIDEO_CAPTURE:
839                 if (res_locked(fh->dev,RESOURCE_VIDEO))
840                         return -EBUSY;
841                 return videobuf_read_one(&fh->vidq, data, count, ppos,
842                                          file->f_flags & O_NONBLOCK);
843         case V4L2_BUF_TYPE_VBI_CAPTURE:
844                 if (!res_get(fh->dev,fh,RESOURCE_VBI))
845                         return -EBUSY;
846                 return videobuf_read_stream(&fh->vbiq, data, count, ppos, 1,
847                                             file->f_flags & O_NONBLOCK);
848         default:
849                 BUG();
850                 return 0;
851         }
852 }
853
854 static unsigned int
855 video_poll(struct file *file, struct poll_table_struct *wait)
856 {
857         struct cx8800_fh *fh = file->private_data;
858         struct cx88_buffer *buf;
859         unsigned int rc = POLLERR;
860
861         if (V4L2_BUF_TYPE_VBI_CAPTURE == fh->type) {
862                 if (!res_get(fh->dev,fh,RESOURCE_VBI))
863                         return POLLERR;
864                 return videobuf_poll_stream(file, &fh->vbiq, wait);
865         }
866
867         mutex_lock(&fh->vidq.vb_lock);
868         if (res_check(fh,RESOURCE_VIDEO)) {
869                 /* streaming capture */
870                 if (list_empty(&fh->vidq.stream))
871                         goto done;
872                 buf = list_entry(fh->vidq.stream.next,struct cx88_buffer,vb.stream);
873         } else {
874                 /* read() capture */
875                 buf = (struct cx88_buffer*)fh->vidq.read_buf;
876                 if (NULL == buf)
877                         goto done;
878         }
879         poll_wait(file, &buf->vb.done, wait);
880         if (buf->vb.state == VIDEOBUF_DONE ||
881             buf->vb.state == VIDEOBUF_ERROR)
882                 rc = POLLIN|POLLRDNORM;
883         else
884                 rc = 0;
885 done:
886         mutex_unlock(&fh->vidq.vb_lock);
887         return rc;
888 }
889
890 static int video_release(struct file *file)
891 {
892         struct cx8800_fh  *fh  = file->private_data;
893         struct cx8800_dev *dev = fh->dev;
894
895         /* turn off overlay */
896         if (res_check(fh, RESOURCE_OVERLAY)) {
897                 /* FIXME */
898                 res_free(dev,fh,RESOURCE_OVERLAY);
899         }
900
901         /* stop video capture */
902         if (res_check(fh, RESOURCE_VIDEO)) {
903                 videobuf_queue_cancel(&fh->vidq);
904                 res_free(dev,fh,RESOURCE_VIDEO);
905         }
906         if (fh->vidq.read_buf) {
907                 buffer_release(&fh->vidq,fh->vidq.read_buf);
908                 kfree(fh->vidq.read_buf);
909         }
910
911         /* stop vbi capture */
912         if (res_check(fh, RESOURCE_VBI)) {
913                 videobuf_stop(&fh->vbiq);
914                 res_free(dev,fh,RESOURCE_VBI);
915         }
916
917         videobuf_mmap_free(&fh->vidq);
918         videobuf_mmap_free(&fh->vbiq);
919
920         mutex_lock(&dev->core->lock);
921         file->private_data = NULL;
922         kfree(fh);
923
924         if(atomic_dec_and_test(&dev->core->users))
925                 call_all(dev->core, core, s_power, 0);
926         mutex_unlock(&dev->core->lock);
927
928         return 0;
929 }
930
931 static int
932 video_mmap(struct file *file, struct vm_area_struct * vma)
933 {
934         struct cx8800_fh *fh = file->private_data;
935
936         return videobuf_mmap_mapper(get_queue(fh), vma);
937 }
938
939 /* ------------------------------------------------------------------ */
940 /* VIDEO CTRL IOCTLS                                                  */
941
942 int cx88_get_control (struct cx88_core  *core, struct v4l2_control *ctl)
943 {
944         const struct cx88_ctrl  *c    = NULL;
945         u32 value;
946         int i;
947
948         for (i = 0; i < CX8800_CTLS; i++)
949                 if (cx8800_ctls[i].v.id == ctl->id)
950                         c = &cx8800_ctls[i];
951         if (unlikely(NULL == c))
952                 return -EINVAL;
953
954         value = c->sreg ? cx_sread(c->sreg) : cx_read(c->reg);
955         switch (ctl->id) {
956         case V4L2_CID_AUDIO_BALANCE:
957                 ctl->value = ((value & 0x7f) < 0x40) ? ((value & 0x7f) + 0x40)
958                                         : (0x7f - (value & 0x7f));
959                 break;
960         case V4L2_CID_AUDIO_VOLUME:
961                 ctl->value = 0x3f - (value & 0x3f);
962                 break;
963         default:
964                 ctl->value = ((value + (c->off << c->shift)) & c->mask) >> c->shift;
965                 break;
966         }
967         dprintk(1,"get_control id=0x%X(%s) ctrl=0x%02x, reg=0x%02x val=0x%02x (mask 0x%02x)%s\n",
968                                 ctl->id, c->v.name, ctl->value, c->reg,
969                                 value,c->mask, c->sreg ? " [shadowed]" : "");
970         return 0;
971 }
972 EXPORT_SYMBOL(cx88_get_control);
973
974 int cx88_set_control(struct cx88_core *core, struct v4l2_control *ctl)
975 {
976         const struct cx88_ctrl *c = NULL;
977         u32 value,mask;
978         int i;
979
980         for (i = 0; i < CX8800_CTLS; i++) {
981                 if (cx8800_ctls[i].v.id == ctl->id) {
982                         c = &cx8800_ctls[i];
983                 }
984         }
985         if (unlikely(NULL == c))
986                 return -EINVAL;
987
988         if (ctl->value < c->v.minimum)
989                 ctl->value = c->v.minimum;
990         if (ctl->value > c->v.maximum)
991                 ctl->value = c->v.maximum;
992         mask=c->mask;
993         switch (ctl->id) {
994         case V4L2_CID_AUDIO_BALANCE:
995                 value = (ctl->value < 0x40) ? (0x7f - ctl->value) : (ctl->value - 0x40);
996                 break;
997         case V4L2_CID_AUDIO_VOLUME:
998                 value = 0x3f - (ctl->value & 0x3f);
999                 break;
1000         case V4L2_CID_SATURATION:
1001                 /* special v_sat handling */
1002
1003                 value = ((ctl->value - c->off) << c->shift) & c->mask;
1004
1005                 if (core->tvnorm & V4L2_STD_SECAM) {
1006                         /* For SECAM, both U and V sat should be equal */
1007                         value=value<<8|value;
1008                 } else {
1009                         /* Keeps U Saturation proportional to V Sat */
1010                         value=(value*0x5a)/0x7f<<8|value;
1011                 }
1012                 mask=0xffff;
1013                 break;
1014         case V4L2_CID_CHROMA_AGC:
1015                 /* Do not allow chroma AGC to be enabled for SECAM */
1016                 value = ((ctl->value - c->off) << c->shift) & c->mask;
1017                 if (core->tvnorm & V4L2_STD_SECAM && value)
1018                         return -EINVAL;
1019                 break;
1020         default:
1021                 value = ((ctl->value - c->off) << c->shift) & c->mask;
1022                 break;
1023         }
1024         dprintk(1,"set_control id=0x%X(%s) ctrl=0x%02x, reg=0x%02x val=0x%02x (mask 0x%02x)%s\n",
1025                                 ctl->id, c->v.name, ctl->value, c->reg, value,
1026                                 mask, c->sreg ? " [shadowed]" : "");
1027         if (c->sreg) {
1028                 cx_sandor(c->sreg, c->reg, mask, value);
1029         } else {
1030                 cx_andor(c->reg, mask, value);
1031         }
1032         return 0;
1033 }
1034 EXPORT_SYMBOL(cx88_set_control);
1035
1036 static void init_controls(struct cx88_core *core)
1037 {
1038         struct v4l2_control ctrl;
1039         int i;
1040
1041         for (i = 0; i < CX8800_CTLS; i++) {
1042                 ctrl.id=cx8800_ctls[i].v.id;
1043                 ctrl.value=cx8800_ctls[i].v.default_value;
1044
1045                 cx88_set_control(core, &ctrl);
1046         }
1047 }
1048
1049 /* ------------------------------------------------------------------ */
1050 /* VIDEO IOCTLS                                                       */
1051
1052 static int vidioc_g_fmt_vid_cap(struct file *file, void *priv,
1053                                         struct v4l2_format *f)
1054 {
1055         struct cx8800_fh  *fh   = priv;
1056
1057         f->fmt.pix.width        = fh->width;
1058         f->fmt.pix.height       = fh->height;
1059         f->fmt.pix.field        = fh->vidq.field;
1060         f->fmt.pix.pixelformat  = fh->fmt->fourcc;
1061         f->fmt.pix.bytesperline =
1062                 (f->fmt.pix.width * fh->fmt->depth) >> 3;
1063         f->fmt.pix.sizeimage =
1064                 f->fmt.pix.height * f->fmt.pix.bytesperline;
1065         return 0;
1066 }
1067
1068 static int vidioc_try_fmt_vid_cap(struct file *file, void *priv,
1069                         struct v4l2_format *f)
1070 {
1071         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1072         const struct cx8800_fmt *fmt;
1073         enum v4l2_field   field;
1074         unsigned int      maxw, maxh;
1075
1076         fmt = format_by_fourcc(f->fmt.pix.pixelformat);
1077         if (NULL == fmt)
1078                 return -EINVAL;
1079
1080         field = f->fmt.pix.field;
1081         maxw  = norm_maxw(core->tvnorm);
1082         maxh  = norm_maxh(core->tvnorm);
1083
1084         if (V4L2_FIELD_ANY == field) {
1085                 field = (f->fmt.pix.height > maxh/2)
1086                         ? V4L2_FIELD_INTERLACED
1087                         : V4L2_FIELD_BOTTOM;
1088         }
1089
1090         switch (field) {
1091         case V4L2_FIELD_TOP:
1092         case V4L2_FIELD_BOTTOM:
1093                 maxh = maxh / 2;
1094                 break;
1095         case V4L2_FIELD_INTERLACED:
1096                 break;
1097         default:
1098                 return -EINVAL;
1099         }
1100
1101         f->fmt.pix.field = field;
1102         v4l_bound_align_image(&f->fmt.pix.width, 48, maxw, 2,
1103                               &f->fmt.pix.height, 32, maxh, 0, 0);
1104         f->fmt.pix.bytesperline =
1105                 (f->fmt.pix.width * fmt->depth) >> 3;
1106         f->fmt.pix.sizeimage =
1107                 f->fmt.pix.height * f->fmt.pix.bytesperline;
1108
1109         return 0;
1110 }
1111
1112 static int vidioc_s_fmt_vid_cap(struct file *file, void *priv,
1113                                         struct v4l2_format *f)
1114 {
1115         struct cx8800_fh  *fh   = priv;
1116         int err = vidioc_try_fmt_vid_cap (file,priv,f);
1117
1118         if (0 != err)
1119                 return err;
1120         fh->fmt        = format_by_fourcc(f->fmt.pix.pixelformat);
1121         fh->width      = f->fmt.pix.width;
1122         fh->height     = f->fmt.pix.height;
1123         fh->vidq.field = f->fmt.pix.field;
1124         return 0;
1125 }
1126
1127 static int vidioc_querycap (struct file *file, void  *priv,
1128                                         struct v4l2_capability *cap)
1129 {
1130         struct cx8800_dev *dev  = ((struct cx8800_fh *)priv)->dev;
1131         struct cx88_core  *core = dev->core;
1132
1133         strcpy(cap->driver, "cx8800");
1134         strlcpy(cap->card, core->board.name, sizeof(cap->card));
1135         sprintf(cap->bus_info,"PCI:%s",pci_name(dev->pci));
1136         cap->version = CX88_VERSION_CODE;
1137         cap->capabilities =
1138                 V4L2_CAP_VIDEO_CAPTURE |
1139                 V4L2_CAP_READWRITE     |
1140                 V4L2_CAP_STREAMING     |
1141                 V4L2_CAP_VBI_CAPTURE;
1142         if (UNSET != core->board.tuner_type)
1143                 cap->capabilities |= V4L2_CAP_TUNER;
1144         return 0;
1145 }
1146
1147 static int vidioc_enum_fmt_vid_cap (struct file *file, void  *priv,
1148                                         struct v4l2_fmtdesc *f)
1149 {
1150         if (unlikely(f->index >= ARRAY_SIZE(formats)))
1151                 return -EINVAL;
1152
1153         strlcpy(f->description,formats[f->index].name,sizeof(f->description));
1154         f->pixelformat = formats[f->index].fourcc;
1155
1156         return 0;
1157 }
1158
1159 static int vidioc_reqbufs (struct file *file, void *priv, struct v4l2_requestbuffers *p)
1160 {
1161         struct cx8800_fh  *fh   = priv;
1162         return (videobuf_reqbufs(get_queue(fh), p));
1163 }
1164
1165 static int vidioc_querybuf (struct file *file, void *priv, struct v4l2_buffer *p)
1166 {
1167         struct cx8800_fh  *fh   = priv;
1168         return (videobuf_querybuf(get_queue(fh), p));
1169 }
1170
1171 static int vidioc_qbuf (struct file *file, void *priv, struct v4l2_buffer *p)
1172 {
1173         struct cx8800_fh  *fh   = priv;
1174         return (videobuf_qbuf(get_queue(fh), p));
1175 }
1176
1177 static int vidioc_dqbuf (struct file *file, void *priv, struct v4l2_buffer *p)
1178 {
1179         struct cx8800_fh  *fh   = priv;
1180         return (videobuf_dqbuf(get_queue(fh), p,
1181                                 file->f_flags & O_NONBLOCK));
1182 }
1183
1184 static int vidioc_streamon(struct file *file, void *priv, enum v4l2_buf_type i)
1185 {
1186         struct cx8800_fh  *fh   = priv;
1187         struct cx8800_dev *dev  = fh->dev;
1188
1189         /* We should remember that this driver also supports teletext,  */
1190         /* so we have to test if the v4l2_buf_type is VBI capture data. */
1191         if (unlikely((fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) &&
1192                      (fh->type != V4L2_BUF_TYPE_VBI_CAPTURE)))
1193                 return -EINVAL;
1194
1195         if (unlikely(i != fh->type))
1196                 return -EINVAL;
1197
1198         if (unlikely(!res_get(dev,fh,get_ressource(fh))))
1199                 return -EBUSY;
1200         return videobuf_streamon(get_queue(fh));
1201 }
1202
1203 static int vidioc_streamoff(struct file *file, void *priv, enum v4l2_buf_type i)
1204 {
1205         struct cx8800_fh  *fh   = priv;
1206         struct cx8800_dev *dev  = fh->dev;
1207         int               err, res;
1208
1209         if ((fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) &&
1210             (fh->type != V4L2_BUF_TYPE_VBI_CAPTURE))
1211                 return -EINVAL;
1212
1213         if (i != fh->type)
1214                 return -EINVAL;
1215
1216         res = get_ressource(fh);
1217         err = videobuf_streamoff(get_queue(fh));
1218         if (err < 0)
1219                 return err;
1220         res_free(dev,fh,res);
1221         return 0;
1222 }
1223
1224 static int vidioc_s_std (struct file *file, void *priv, v4l2_std_id *tvnorms)
1225 {
1226         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1227
1228         mutex_lock(&core->lock);
1229         cx88_set_tvnorm(core,*tvnorms);
1230         mutex_unlock(&core->lock);
1231
1232         return 0;
1233 }
1234
1235 /* only one input in this sample driver */
1236 int cx88_enum_input (struct cx88_core  *core,struct v4l2_input *i)
1237 {
1238         static const char * const iname[] = {
1239                 [ CX88_VMUX_COMPOSITE1 ] = "Composite1",
1240                 [ CX88_VMUX_COMPOSITE2 ] = "Composite2",
1241                 [ CX88_VMUX_COMPOSITE3 ] = "Composite3",
1242                 [ CX88_VMUX_COMPOSITE4 ] = "Composite4",
1243                 [ CX88_VMUX_SVIDEO     ] = "S-Video",
1244                 [ CX88_VMUX_TELEVISION ] = "Television",
1245                 [ CX88_VMUX_CABLE      ] = "Cable TV",
1246                 [ CX88_VMUX_DVB        ] = "DVB",
1247                 [ CX88_VMUX_DEBUG      ] = "for debug only",
1248         };
1249         unsigned int n = i->index;
1250
1251         if (n >= 4)
1252                 return -EINVAL;
1253         if (0 == INPUT(n).type)
1254                 return -EINVAL;
1255         i->type  = V4L2_INPUT_TYPE_CAMERA;
1256         strcpy(i->name,iname[INPUT(n).type]);
1257         if ((CX88_VMUX_TELEVISION == INPUT(n).type) ||
1258             (CX88_VMUX_CABLE      == INPUT(n).type)) {
1259                 i->type = V4L2_INPUT_TYPE_TUNER;
1260                 i->std = CX88_NORMS;
1261         }
1262         return 0;
1263 }
1264 EXPORT_SYMBOL(cx88_enum_input);
1265
1266 static int vidioc_enum_input (struct file *file, void *priv,
1267                                 struct v4l2_input *i)
1268 {
1269         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1270         return cx88_enum_input (core,i);
1271 }
1272
1273 static int vidioc_g_input (struct file *file, void *priv, unsigned int *i)
1274 {
1275         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1276
1277         *i = core->input;
1278         return 0;
1279 }
1280
1281 static int vidioc_s_input (struct file *file, void *priv, unsigned int i)
1282 {
1283         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1284
1285         if (i >= 4)
1286                 return -EINVAL;
1287
1288         mutex_lock(&core->lock);
1289         cx88_newstation(core);
1290         cx88_video_mux(core,i);
1291         mutex_unlock(&core->lock);
1292         return 0;
1293 }
1294
1295
1296
1297 static int vidioc_queryctrl (struct file *file, void *priv,
1298                                 struct v4l2_queryctrl *qctrl)
1299 {
1300         struct cx88_core *core = ((struct cx8800_fh *)priv)->dev->core;
1301
1302         qctrl->id = v4l2_ctrl_next(ctrl_classes, qctrl->id);
1303         if (unlikely(qctrl->id == 0))
1304                 return -EINVAL;
1305         return cx8800_ctrl_query(core, qctrl);
1306 }
1307
1308 static int vidioc_g_ctrl (struct file *file, void *priv,
1309                                 struct v4l2_control *ctl)
1310 {
1311         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1312         return
1313                 cx88_get_control(core,ctl);
1314 }
1315
1316 static int vidioc_s_ctrl (struct file *file, void *priv,
1317                                 struct v4l2_control *ctl)
1318 {
1319         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1320         return
1321                 cx88_set_control(core,ctl);
1322 }
1323
1324 static int vidioc_g_tuner (struct file *file, void *priv,
1325                                 struct v4l2_tuner *t)
1326 {
1327         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1328         u32 reg;
1329
1330         if (unlikely(UNSET == core->board.tuner_type))
1331                 return -EINVAL;
1332         if (0 != t->index)
1333                 return -EINVAL;
1334
1335         strcpy(t->name, "Television");
1336         t->type       = V4L2_TUNER_ANALOG_TV;
1337         t->capability = V4L2_TUNER_CAP_NORM;
1338         t->rangehigh  = 0xffffffffUL;
1339
1340         cx88_get_stereo(core ,t);
1341         reg = cx_read(MO_DEVICE_STATUS);
1342         t->signal = (reg & (1<<5)) ? 0xffff : 0x0000;
1343         return 0;
1344 }
1345
1346 static int vidioc_s_tuner (struct file *file, void *priv,
1347                                 struct v4l2_tuner *t)
1348 {
1349         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1350
1351         if (UNSET == core->board.tuner_type)
1352                 return -EINVAL;
1353         if (0 != t->index)
1354                 return -EINVAL;
1355
1356         cx88_set_stereo(core, t->audmode, 1);
1357         return 0;
1358 }
1359
1360 static int vidioc_g_frequency (struct file *file, void *priv,
1361                                 struct v4l2_frequency *f)
1362 {
1363         struct cx8800_fh  *fh   = priv;
1364         struct cx88_core  *core = fh->dev->core;
1365
1366         if (unlikely(UNSET == core->board.tuner_type))
1367                 return -EINVAL;
1368
1369         /* f->type = fh->radio ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV; */
1370         f->type = fh->radio ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV;
1371         f->frequency = core->freq;
1372
1373         call_all(core, tuner, g_frequency, f);
1374
1375         return 0;
1376 }
1377
1378 int cx88_set_freq (struct cx88_core  *core,
1379                                 struct v4l2_frequency *f)
1380 {
1381         if (unlikely(UNSET == core->board.tuner_type))
1382                 return -EINVAL;
1383         if (unlikely(f->tuner != 0))
1384                 return -EINVAL;
1385
1386         mutex_lock(&core->lock);
1387         core->freq = f->frequency;
1388         cx88_newstation(core);
1389         call_all(core, tuner, s_frequency, f);
1390
1391         /* When changing channels it is required to reset TVAUDIO */
1392         msleep (10);
1393         cx88_set_tvaudio(core);
1394
1395         mutex_unlock(&core->lock);
1396
1397         return 0;
1398 }
1399 EXPORT_SYMBOL(cx88_set_freq);
1400
1401 static int vidioc_s_frequency (struct file *file, void *priv,
1402                                 struct v4l2_frequency *f)
1403 {
1404         struct cx8800_fh  *fh   = priv;
1405         struct cx88_core  *core = fh->dev->core;
1406
1407         if (unlikely(0 == fh->radio && f->type != V4L2_TUNER_ANALOG_TV))
1408                 return -EINVAL;
1409         if (unlikely(1 == fh->radio && f->type != V4L2_TUNER_RADIO))
1410                 return -EINVAL;
1411
1412         return
1413                 cx88_set_freq (core,f);
1414 }
1415
1416 #ifdef CONFIG_VIDEO_ADV_DEBUG
1417 static int vidioc_g_register (struct file *file, void *fh,
1418                                 struct v4l2_dbg_register *reg)
1419 {
1420         struct cx88_core *core = ((struct cx8800_fh*)fh)->dev->core;
1421
1422         if (!v4l2_chip_match_host(&reg->match))
1423                 return -EINVAL;
1424         /* cx2388x has a 24-bit register space */
1425         reg->val = cx_read(reg->reg & 0xffffff);
1426         reg->size = 4;
1427         return 0;
1428 }
1429
1430 static int vidioc_s_register (struct file *file, void *fh,
1431                                 struct v4l2_dbg_register *reg)
1432 {
1433         struct cx88_core *core = ((struct cx8800_fh*)fh)->dev->core;
1434
1435         if (!v4l2_chip_match_host(&reg->match))
1436                 return -EINVAL;
1437         cx_write(reg->reg & 0xffffff, reg->val);
1438         return 0;
1439 }
1440 #endif
1441
1442 /* ----------------------------------------------------------- */
1443 /* RADIO ESPECIFIC IOCTLS                                      */
1444 /* ----------------------------------------------------------- */
1445
1446 static int radio_querycap (struct file *file, void  *priv,
1447                                         struct v4l2_capability *cap)
1448 {
1449         struct cx8800_dev *dev  = ((struct cx8800_fh *)priv)->dev;
1450         struct cx88_core  *core = dev->core;
1451
1452         strcpy(cap->driver, "cx8800");
1453         strlcpy(cap->card, core->board.name, sizeof(cap->card));
1454         sprintf(cap->bus_info,"PCI:%s", pci_name(dev->pci));
1455         cap->version = CX88_VERSION_CODE;
1456         cap->capabilities = V4L2_CAP_TUNER;
1457         return 0;
1458 }
1459
1460 static int radio_g_tuner (struct file *file, void *priv,
1461                                 struct v4l2_tuner *t)
1462 {
1463         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1464
1465         if (unlikely(t->index > 0))
1466                 return -EINVAL;
1467
1468         strcpy(t->name, "Radio");
1469         t->type = V4L2_TUNER_RADIO;
1470
1471         call_all(core, tuner, g_tuner, t);
1472         return 0;
1473 }
1474
1475 static int radio_enum_input (struct file *file, void *priv,
1476                                 struct v4l2_input *i)
1477 {
1478         if (i->index != 0)
1479                 return -EINVAL;
1480         strcpy(i->name,"Radio");
1481         i->type = V4L2_INPUT_TYPE_TUNER;
1482
1483         return 0;
1484 }
1485
1486 static int radio_g_audio (struct file *file, void *priv, struct v4l2_audio *a)
1487 {
1488         if (unlikely(a->index))
1489                 return -EINVAL;
1490
1491         strcpy(a->name,"Radio");
1492         return 0;
1493 }
1494
1495 /* FIXME: Should add a standard for radio */
1496
1497 static int radio_s_tuner (struct file *file, void *priv,
1498                                 struct v4l2_tuner *t)
1499 {
1500         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1501
1502         if (0 != t->index)
1503                 return -EINVAL;
1504
1505         call_all(core, tuner, s_tuner, t);
1506
1507         return 0;
1508 }
1509
1510 static int radio_s_audio (struct file *file, void *fh,
1511                           struct v4l2_audio *a)
1512 {
1513         return 0;
1514 }
1515
1516 static int radio_s_input (struct file *file, void *fh, unsigned int i)
1517 {
1518         return 0;
1519 }
1520
1521 static int radio_queryctrl (struct file *file, void *priv,
1522                             struct v4l2_queryctrl *c)
1523 {
1524         int i;
1525
1526         if (c->id <  V4L2_CID_BASE ||
1527                 c->id >= V4L2_CID_LASTP1)
1528                 return -EINVAL;
1529         if (c->id == V4L2_CID_AUDIO_MUTE) {
1530                 for (i = 0; i < CX8800_CTLS; i++) {
1531                         if (cx8800_ctls[i].v.id == c->id)
1532                                 break;
1533                 }
1534                 if (i == CX8800_CTLS)
1535                         return -EINVAL;
1536                 *c = cx8800_ctls[i].v;
1537         } else
1538                 *c = no_ctl;
1539         return 0;
1540 }
1541
1542 /* ----------------------------------------------------------- */
1543
1544 static void cx8800_vid_timeout(unsigned long data)
1545 {
1546         struct cx8800_dev *dev = (struct cx8800_dev*)data;
1547         struct cx88_core *core = dev->core;
1548         struct cx88_dmaqueue *q = &dev->vidq;
1549         struct cx88_buffer *buf;
1550         unsigned long flags;
1551
1552         cx88_sram_channel_dump(core, &cx88_sram_channels[SRAM_CH21]);
1553
1554         cx_clear(MO_VID_DMACNTRL, 0x11);
1555         cx_clear(VID_CAPTURE_CONTROL, 0x06);
1556
1557         spin_lock_irqsave(&dev->slock,flags);
1558         while (!list_empty(&q->active)) {
1559                 buf = list_entry(q->active.next, struct cx88_buffer, vb.queue);
1560                 list_del(&buf->vb.queue);
1561                 buf->vb.state = VIDEOBUF_ERROR;
1562                 wake_up(&buf->vb.done);
1563                 printk("%s/0: [%p/%d] timeout - dma=0x%08lx\n", core->name,
1564                        buf, buf->vb.i, (unsigned long)buf->risc.dma);
1565         }
1566         restart_video_queue(dev,q);
1567         spin_unlock_irqrestore(&dev->slock,flags);
1568 }
1569
1570 static const char *cx88_vid_irqs[32] = {
1571         "y_risci1", "u_risci1", "v_risci1", "vbi_risc1",
1572         "y_risci2", "u_risci2", "v_risci2", "vbi_risc2",
1573         "y_oflow",  "u_oflow",  "v_oflow",  "vbi_oflow",
1574         "y_sync",   "u_sync",   "v_sync",   "vbi_sync",
1575         "opc_err",  "par_err",  "rip_err",  "pci_abort",
1576 };
1577
1578 static void cx8800_vid_irq(struct cx8800_dev *dev)
1579 {
1580         struct cx88_core *core = dev->core;
1581         u32 status, mask, count;
1582
1583         status = cx_read(MO_VID_INTSTAT);
1584         mask   = cx_read(MO_VID_INTMSK);
1585         if (0 == (status & mask))
1586                 return;
1587         cx_write(MO_VID_INTSTAT, status);
1588         if (irq_debug  ||  (status & mask & ~0xff))
1589                 cx88_print_irqbits(core->name, "irq vid",
1590                                    cx88_vid_irqs, ARRAY_SIZE(cx88_vid_irqs),
1591                                    status, mask);
1592
1593         /* risc op code error */
1594         if (status & (1 << 16)) {
1595                 printk(KERN_WARNING "%s/0: video risc op code error\n",core->name);
1596                 cx_clear(MO_VID_DMACNTRL, 0x11);
1597                 cx_clear(VID_CAPTURE_CONTROL, 0x06);
1598                 cx88_sram_channel_dump(core, &cx88_sram_channels[SRAM_CH21]);
1599         }
1600
1601         /* risc1 y */
1602         if (status & 0x01) {
1603                 spin_lock(&dev->slock);
1604                 count = cx_read(MO_VIDY_GPCNT);
1605                 cx88_wakeup(core, &dev->vidq, count);
1606                 spin_unlock(&dev->slock);
1607         }
1608
1609         /* risc1 vbi */
1610         if (status & 0x08) {
1611                 spin_lock(&dev->slock);
1612                 count = cx_read(MO_VBI_GPCNT);
1613                 cx88_wakeup(core, &dev->vbiq, count);
1614                 spin_unlock(&dev->slock);
1615         }
1616
1617         /* risc2 y */
1618         if (status & 0x10) {
1619                 dprintk(2,"stopper video\n");
1620                 spin_lock(&dev->slock);
1621                 restart_video_queue(dev,&dev->vidq);
1622                 spin_unlock(&dev->slock);
1623         }
1624
1625         /* risc2 vbi */
1626         if (status & 0x80) {
1627                 dprintk(2,"stopper vbi\n");
1628                 spin_lock(&dev->slock);
1629                 cx8800_restart_vbi_queue(dev,&dev->vbiq);
1630                 spin_unlock(&dev->slock);
1631         }
1632 }
1633
1634 static irqreturn_t cx8800_irq(int irq, void *dev_id)
1635 {
1636         struct cx8800_dev *dev = dev_id;
1637         struct cx88_core *core = dev->core;
1638         u32 status;
1639         int loop, handled = 0;
1640
1641         for (loop = 0; loop < 10; loop++) {
1642                 status = cx_read(MO_PCI_INTSTAT) &
1643                         (core->pci_irqmask | PCI_INT_VIDINT);
1644                 if (0 == status)
1645                         goto out;
1646                 cx_write(MO_PCI_INTSTAT, status);
1647                 handled = 1;
1648
1649                 if (status & core->pci_irqmask)
1650                         cx88_core_irq(core,status);
1651                 if (status & PCI_INT_VIDINT)
1652                         cx8800_vid_irq(dev);
1653         };
1654         if (10 == loop) {
1655                 printk(KERN_WARNING "%s/0: irq loop -- clearing mask\n",
1656                        core->name);
1657                 cx_write(MO_PCI_INTMSK,0);
1658         }
1659
1660  out:
1661         return IRQ_RETVAL(handled);
1662 }
1663
1664 /* ----------------------------------------------------------- */
1665 /* exported stuff                                              */
1666
1667 static const struct v4l2_file_operations video_fops =
1668 {
1669         .owner         = THIS_MODULE,
1670         .open          = video_open,
1671         .release       = video_release,
1672         .read          = video_read,
1673         .poll          = video_poll,
1674         .mmap          = video_mmap,
1675         .ioctl         = video_ioctl2,
1676 };
1677
1678 static const struct v4l2_ioctl_ops video_ioctl_ops = {
1679         .vidioc_querycap      = vidioc_querycap,
1680         .vidioc_enum_fmt_vid_cap  = vidioc_enum_fmt_vid_cap,
1681         .vidioc_g_fmt_vid_cap     = vidioc_g_fmt_vid_cap,
1682         .vidioc_try_fmt_vid_cap   = vidioc_try_fmt_vid_cap,
1683         .vidioc_s_fmt_vid_cap     = vidioc_s_fmt_vid_cap,
1684         .vidioc_g_fmt_vbi_cap     = cx8800_vbi_fmt,
1685         .vidioc_try_fmt_vbi_cap   = cx8800_vbi_fmt,
1686         .vidioc_s_fmt_vbi_cap     = 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         .vidioc_g_tuner       = vidioc_g_tuner,
1701         .vidioc_s_tuner       = vidioc_s_tuner,
1702         .vidioc_g_frequency   = vidioc_g_frequency,
1703         .vidioc_s_frequency   = vidioc_s_frequency,
1704 #ifdef CONFIG_VIDEO_ADV_DEBUG
1705         .vidioc_g_register    = vidioc_g_register,
1706         .vidioc_s_register    = vidioc_s_register,
1707 #endif
1708 };
1709
1710 static struct video_device cx8800_vbi_template;
1711
1712 static const struct video_device cx8800_video_template = {
1713         .name                 = "cx8800-video",
1714         .fops                 = &video_fops,
1715         .ioctl_ops            = &video_ioctl_ops,
1716         .tvnorms              = CX88_NORMS,
1717         .current_norm         = V4L2_STD_NTSC_M,
1718 };
1719
1720 static const struct v4l2_file_operations radio_fops =
1721 {
1722         .owner         = THIS_MODULE,
1723         .open          = video_open,
1724         .release       = video_release,
1725         .ioctl         = video_ioctl2,
1726 };
1727
1728 static const struct v4l2_ioctl_ops radio_ioctl_ops = {
1729         .vidioc_querycap      = radio_querycap,
1730         .vidioc_g_tuner       = radio_g_tuner,
1731         .vidioc_enum_input    = radio_enum_input,
1732         .vidioc_g_audio       = radio_g_audio,
1733         .vidioc_s_tuner       = radio_s_tuner,
1734         .vidioc_s_audio       = radio_s_audio,
1735         .vidioc_s_input       = radio_s_input,
1736         .vidioc_queryctrl     = radio_queryctrl,
1737         .vidioc_g_ctrl        = vidioc_g_ctrl,
1738         .vidioc_s_ctrl        = vidioc_s_ctrl,
1739         .vidioc_g_frequency   = vidioc_g_frequency,
1740         .vidioc_s_frequency   = vidioc_s_frequency,
1741 #ifdef CONFIG_VIDEO_ADV_DEBUG
1742         .vidioc_g_register    = vidioc_g_register,
1743         .vidioc_s_register    = vidioc_s_register,
1744 #endif
1745 };
1746
1747 static const struct video_device cx8800_radio_template = {
1748         .name                 = "cx8800-radio",
1749         .fops                 = &radio_fops,
1750         .ioctl_ops            = &radio_ioctl_ops,
1751 };
1752
1753 /* ----------------------------------------------------------- */
1754
1755 static void cx8800_unregister_video(struct cx8800_dev *dev)
1756 {
1757         if (dev->radio_dev) {
1758                 if (video_is_registered(dev->radio_dev))
1759                         video_unregister_device(dev->radio_dev);
1760                 else
1761                         video_device_release(dev->radio_dev);
1762                 dev->radio_dev = NULL;
1763         }
1764         if (dev->vbi_dev) {
1765                 if (video_is_registered(dev->vbi_dev))
1766                         video_unregister_device(dev->vbi_dev);
1767                 else
1768                         video_device_release(dev->vbi_dev);
1769                 dev->vbi_dev = NULL;
1770         }
1771         if (dev->video_dev) {
1772                 if (video_is_registered(dev->video_dev))
1773                         video_unregister_device(dev->video_dev);
1774                 else
1775                         video_device_release(dev->video_dev);
1776                 dev->video_dev = NULL;
1777         }
1778 }
1779
1780 static int __devinit cx8800_initdev(struct pci_dev *pci_dev,
1781                                     const struct pci_device_id *pci_id)
1782 {
1783         struct cx8800_dev *dev;
1784         struct cx88_core *core;
1785
1786         int err;
1787
1788         dev = kzalloc(sizeof(*dev),GFP_KERNEL);
1789         if (NULL == dev)
1790                 return -ENOMEM;
1791
1792         /* pci init */
1793         dev->pci = pci_dev;
1794         if (pci_enable_device(pci_dev)) {
1795                 err = -EIO;
1796                 goto fail_free;
1797         }
1798         core = cx88_core_get(dev->pci);
1799         if (NULL == core) {
1800                 err = -EINVAL;
1801                 goto fail_free;
1802         }
1803         dev->core = core;
1804
1805         /* print pci info */
1806         pci_read_config_byte(pci_dev, PCI_CLASS_REVISION, &dev->pci_rev);
1807         pci_read_config_byte(pci_dev, PCI_LATENCY_TIMER,  &dev->pci_lat);
1808         printk(KERN_INFO "%s/0: found at %s, rev: %d, irq: %d, "
1809                "latency: %d, mmio: 0x%llx\n", core->name,
1810                pci_name(pci_dev), dev->pci_rev, pci_dev->irq,
1811                dev->pci_lat,(unsigned long long)pci_resource_start(pci_dev,0));
1812
1813         pci_set_master(pci_dev);
1814         if (!pci_dma_supported(pci_dev,DMA_BIT_MASK(32))) {
1815                 printk("%s/0: Oops: no 32bit PCI DMA ???\n",core->name);
1816                 err = -EIO;
1817                 goto fail_core;
1818         }
1819
1820         /* Initialize VBI template */
1821         memcpy( &cx8800_vbi_template, &cx8800_video_template,
1822                 sizeof(cx8800_vbi_template) );
1823         strcpy(cx8800_vbi_template.name,"cx8800-vbi");
1824
1825         /* initialize driver struct */
1826         spin_lock_init(&dev->slock);
1827         core->tvnorm = cx8800_video_template.current_norm;
1828
1829         /* init video dma queues */
1830         INIT_LIST_HEAD(&dev->vidq.active);
1831         INIT_LIST_HEAD(&dev->vidq.queued);
1832         dev->vidq.timeout.function = cx8800_vid_timeout;
1833         dev->vidq.timeout.data     = (unsigned long)dev;
1834         init_timer(&dev->vidq.timeout);
1835         cx88_risc_stopper(dev->pci,&dev->vidq.stopper,
1836                           MO_VID_DMACNTRL,0x11,0x00);
1837
1838         /* init vbi dma queues */
1839         INIT_LIST_HEAD(&dev->vbiq.active);
1840         INIT_LIST_HEAD(&dev->vbiq.queued);
1841         dev->vbiq.timeout.function = cx8800_vbi_timeout;
1842         dev->vbiq.timeout.data     = (unsigned long)dev;
1843         init_timer(&dev->vbiq.timeout);
1844         cx88_risc_stopper(dev->pci,&dev->vbiq.stopper,
1845                           MO_VID_DMACNTRL,0x88,0x00);
1846
1847         /* get irq */
1848         err = request_irq(pci_dev->irq, cx8800_irq,
1849                           IRQF_SHARED | IRQF_DISABLED, core->name, dev);
1850         if (err < 0) {
1851                 printk(KERN_ERR "%s/0: can't get IRQ %d\n",
1852                        core->name,pci_dev->irq);
1853                 goto fail_core;
1854         }
1855         cx_set(MO_PCI_INTMSK, core->pci_irqmask);
1856
1857         /* load and configure helper modules */
1858
1859         if (core->board.audio_chip == V4L2_IDENT_WM8775)
1860                 v4l2_i2c_new_subdev(&core->v4l2_dev, &core->i2c_adap,
1861                                 "wm8775", 0x36 >> 1, NULL);
1862
1863         if (core->board.audio_chip == V4L2_IDENT_TVAUDIO) {
1864                 /* This probes for a tda9874 as is used on some
1865                    Pixelview Ultra boards. */
1866                 v4l2_i2c_new_subdev(&core->v4l2_dev, &core->i2c_adap,
1867                                 "tvaudio", 0, I2C_ADDRS(0xb0 >> 1));
1868         }
1869
1870         switch (core->boardnr) {
1871         case CX88_BOARD_DVICO_FUSIONHDTV_5_GOLD:
1872         case CX88_BOARD_DVICO_FUSIONHDTV_7_GOLD: {
1873                 static const struct i2c_board_info rtc_info = {
1874                         I2C_BOARD_INFO("isl1208", 0x6f)
1875                 };
1876
1877                 request_module("rtc-isl1208");
1878                 core->i2c_rtc = i2c_new_device(&core->i2c_adap, &rtc_info);
1879         }
1880                 /* break intentionally omitted */
1881         case CX88_BOARD_DVICO_FUSIONHDTV_5_PCI_NANO:
1882                 request_module("ir-kbd-i2c");
1883         }
1884
1885         /* register v4l devices */
1886         dev->video_dev = cx88_vdev_init(core,dev->pci,
1887                                         &cx8800_video_template,"video");
1888         video_set_drvdata(dev->video_dev, dev);
1889         err = video_register_device(dev->video_dev,VFL_TYPE_GRABBER,
1890                                     video_nr[core->nr]);
1891         if (err < 0) {
1892                 printk(KERN_ERR "%s/0: can't register video device\n",
1893                        core->name);
1894                 goto fail_unreg;
1895         }
1896         printk(KERN_INFO "%s/0: registered device %s [v4l2]\n",
1897                core->name, video_device_node_name(dev->video_dev));
1898
1899         dev->vbi_dev = cx88_vdev_init(core,dev->pci,&cx8800_vbi_template,"vbi");
1900         video_set_drvdata(dev->vbi_dev, dev);
1901         err = video_register_device(dev->vbi_dev,VFL_TYPE_VBI,
1902                                     vbi_nr[core->nr]);
1903         if (err < 0) {
1904                 printk(KERN_ERR "%s/0: can't register vbi device\n",
1905                        core->name);
1906                 goto fail_unreg;
1907         }
1908         printk(KERN_INFO "%s/0: registered device %s\n",
1909                core->name, video_device_node_name(dev->vbi_dev));
1910
1911         if (core->board.radio.type == CX88_RADIO) {
1912                 dev->radio_dev = cx88_vdev_init(core,dev->pci,
1913                                                 &cx8800_radio_template,"radio");
1914                 video_set_drvdata(dev->radio_dev, dev);
1915                 err = video_register_device(dev->radio_dev,VFL_TYPE_RADIO,
1916                                             radio_nr[core->nr]);
1917                 if (err < 0) {
1918                         printk(KERN_ERR "%s/0: can't register radio device\n",
1919                                core->name);
1920                         goto fail_unreg;
1921                 }
1922                 printk(KERN_INFO "%s/0: registered device %s\n",
1923                        core->name, video_device_node_name(dev->radio_dev));
1924         }
1925
1926         /* everything worked */
1927         pci_set_drvdata(pci_dev,dev);
1928
1929         /* initial device configuration */
1930         mutex_lock(&core->lock);
1931         cx88_set_tvnorm(core,core->tvnorm);
1932         init_controls(core);
1933         cx88_video_mux(core,0);
1934         mutex_unlock(&core->lock);
1935
1936         /* start tvaudio thread */
1937         if (core->board.tuner_type != TUNER_ABSENT) {
1938                 core->kthread = kthread_run(cx88_audio_thread, core, "cx88 tvaudio");
1939                 if (IS_ERR(core->kthread)) {
1940                         err = PTR_ERR(core->kthread);
1941                         printk(KERN_ERR "%s/0: failed to create cx88 audio thread, err=%d\n",
1942                                core->name, err);
1943                 }
1944         }
1945         return 0;
1946
1947 fail_unreg:
1948         cx8800_unregister_video(dev);
1949         free_irq(pci_dev->irq, dev);
1950 fail_core:
1951         cx88_core_put(core,dev->pci);
1952 fail_free:
1953         kfree(dev);
1954         return err;
1955 }
1956
1957 static void __devexit cx8800_finidev(struct pci_dev *pci_dev)
1958 {
1959         struct cx8800_dev *dev = pci_get_drvdata(pci_dev);
1960         struct cx88_core *core = dev->core;
1961
1962         /* stop thread */
1963         if (core->kthread) {
1964                 kthread_stop(core->kthread);
1965                 core->kthread = NULL;
1966         }
1967
1968         if (core->ir)
1969                 cx88_ir_stop(core);
1970
1971         cx88_shutdown(core); /* FIXME */
1972         pci_disable_device(pci_dev);
1973
1974         /* unregister stuff */
1975
1976         free_irq(pci_dev->irq, dev);
1977         cx8800_unregister_video(dev);
1978         pci_set_drvdata(pci_dev, NULL);
1979
1980         /* free memory */
1981         btcx_riscmem_free(dev->pci,&dev->vidq.stopper);
1982         cx88_core_put(core,dev->pci);
1983         kfree(dev);
1984 }
1985
1986 #ifdef CONFIG_PM
1987 static int cx8800_suspend(struct pci_dev *pci_dev, pm_message_t state)
1988 {
1989         struct cx8800_dev *dev = pci_get_drvdata(pci_dev);
1990         struct cx88_core *core = dev->core;
1991
1992         /* stop video+vbi capture */
1993         spin_lock(&dev->slock);
1994         if (!list_empty(&dev->vidq.active)) {
1995                 printk("%s/0: suspend video\n", core->name);
1996                 stop_video_dma(dev);
1997                 del_timer(&dev->vidq.timeout);
1998         }
1999         if (!list_empty(&dev->vbiq.active)) {
2000                 printk("%s/0: suspend vbi\n", core->name);
2001                 cx8800_stop_vbi_dma(dev);
2002                 del_timer(&dev->vbiq.timeout);
2003         }
2004         spin_unlock(&dev->slock);
2005
2006         if (core->ir)
2007                 cx88_ir_stop(core);
2008         /* FIXME -- shutdown device */
2009         cx88_shutdown(core);
2010
2011         pci_save_state(pci_dev);
2012         if (0 != pci_set_power_state(pci_dev, pci_choose_state(pci_dev, state))) {
2013                 pci_disable_device(pci_dev);
2014                 dev->state.disabled = 1;
2015         }
2016         return 0;
2017 }
2018
2019 static int cx8800_resume(struct pci_dev *pci_dev)
2020 {
2021         struct cx8800_dev *dev = pci_get_drvdata(pci_dev);
2022         struct cx88_core *core = dev->core;
2023         int err;
2024
2025         if (dev->state.disabled) {
2026                 err=pci_enable_device(pci_dev);
2027                 if (err) {
2028                         printk(KERN_ERR "%s/0: can't enable device\n",
2029                                core->name);
2030                         return err;
2031                 }
2032
2033                 dev->state.disabled = 0;
2034         }
2035         err= pci_set_power_state(pci_dev, PCI_D0);
2036         if (err) {
2037                 printk(KERN_ERR "%s/0: can't set power state\n", core->name);
2038                 pci_disable_device(pci_dev);
2039                 dev->state.disabled = 1;
2040
2041                 return err;
2042         }
2043         pci_restore_state(pci_dev);
2044
2045         /* FIXME: re-initialize hardware */
2046         cx88_reset(core);
2047         if (core->ir)
2048                 cx88_ir_start(core);
2049
2050         cx_set(MO_PCI_INTMSK, core->pci_irqmask);
2051
2052         /* restart video+vbi capture */
2053         spin_lock(&dev->slock);
2054         if (!list_empty(&dev->vidq.active)) {
2055                 printk("%s/0: resume video\n", core->name);
2056                 restart_video_queue(dev,&dev->vidq);
2057         }
2058         if (!list_empty(&dev->vbiq.active)) {
2059                 printk("%s/0: resume vbi\n", core->name);
2060                 cx8800_restart_vbi_queue(dev,&dev->vbiq);
2061         }
2062         spin_unlock(&dev->slock);
2063
2064         return 0;
2065 }
2066 #endif
2067
2068 /* ----------------------------------------------------------- */
2069
2070 static const struct pci_device_id cx8800_pci_tbl[] = {
2071         {
2072                 .vendor       = 0x14f1,
2073                 .device       = 0x8800,
2074                 .subvendor    = PCI_ANY_ID,
2075                 .subdevice    = PCI_ANY_ID,
2076         },{
2077                 /* --- end of list --- */
2078         }
2079 };
2080 MODULE_DEVICE_TABLE(pci, cx8800_pci_tbl);
2081
2082 static struct pci_driver cx8800_pci_driver = {
2083         .name     = "cx8800",
2084         .id_table = cx8800_pci_tbl,
2085         .probe    = cx8800_initdev,
2086         .remove   = __devexit_p(cx8800_finidev),
2087 #ifdef CONFIG_PM
2088         .suspend  = cx8800_suspend,
2089         .resume   = cx8800_resume,
2090 #endif
2091 };
2092
2093 static int __init cx8800_init(void)
2094 {
2095         printk(KERN_INFO "cx88/0: cx2388x v4l2 driver version %d.%d.%d loaded\n",
2096                (CX88_VERSION_CODE >> 16) & 0xff,
2097                (CX88_VERSION_CODE >>  8) & 0xff,
2098                CX88_VERSION_CODE & 0xff);
2099 #ifdef SNAPSHOT
2100         printk(KERN_INFO "cx2388x: snapshot date %04d-%02d-%02d\n",
2101                SNAPSHOT/10000, (SNAPSHOT/100)%100, SNAPSHOT%100);
2102 #endif
2103         return pci_register_driver(&cx8800_pci_driver);
2104 }
2105
2106 static void __exit cx8800_fini(void)
2107 {
2108         pci_unregister_driver(&cx8800_pci_driver);
2109 }
2110
2111 module_init(cx8800_init);
2112 module_exit(cx8800_fini);
2113
2114 /* ----------------------------------------------------------- */
2115 /*
2116  * Local variables:
2117  * c-basic-offset: 8
2118  * End:
2119  * 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
2120  */