V4L/DVB (10135): v4l2: introduce v4l2_file_operations.
[safe/jmp/linux-2.6] / 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 #ifdef CONFIG_VIDEO_V4L1_COMPAT
45 /* Include V4L1 specific functions. Should be removed soon */
46 #include <linux/videodev.h>
47 #endif
48
49 MODULE_DESCRIPTION("v4l2 driver module for cx2388x based TV cards");
50 MODULE_AUTHOR("Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]");
51 MODULE_LICENSE("GPL");
52
53 /* ------------------------------------------------------------------ */
54
55 static unsigned int video_nr[] = {[0 ... (CX88_MAXBOARDS - 1)] = UNSET };
56 static unsigned int vbi_nr[]   = {[0 ... (CX88_MAXBOARDS - 1)] = UNSET };
57 static unsigned int radio_nr[] = {[0 ... (CX88_MAXBOARDS - 1)] = UNSET };
58
59 module_param_array(video_nr, int, NULL, 0444);
60 module_param_array(vbi_nr,   int, NULL, 0444);
61 module_param_array(radio_nr, int, NULL, 0444);
62
63 MODULE_PARM_DESC(video_nr,"video device numbers");
64 MODULE_PARM_DESC(vbi_nr,"vbi device numbers");
65 MODULE_PARM_DESC(radio_nr,"radio device numbers");
66
67 static unsigned int video_debug;
68 module_param(video_debug,int,0644);
69 MODULE_PARM_DESC(video_debug,"enable debug messages [video]");
70
71 static unsigned int irq_debug;
72 module_param(irq_debug,int,0644);
73 MODULE_PARM_DESC(irq_debug,"enable debug messages [IRQ handler]");
74
75 static unsigned int vid_limit = 16;
76 module_param(vid_limit,int,0644);
77 MODULE_PARM_DESC(vid_limit,"capture memory limit in megabytes");
78
79 #define dprintk(level,fmt, arg...)      if (video_debug >= level) \
80         printk(KERN_DEBUG "%s/0: " fmt, core->name , ## arg)
81
82 /* ------------------------------------------------------------------ */
83
84 static LIST_HEAD(cx8800_devlist);
85
86 /* ------------------------------------------------------------------- */
87 /* static data                                                         */
88
89 static struct cx8800_fmt formats[] = {
90         {
91                 .name     = "8 bpp, gray",
92                 .fourcc   = V4L2_PIX_FMT_GREY,
93                 .cxformat = ColorFormatY8,
94                 .depth    = 8,
95                 .flags    = FORMAT_FLAGS_PACKED,
96         },{
97                 .name     = "15 bpp RGB, le",
98                 .fourcc   = V4L2_PIX_FMT_RGB555,
99                 .cxformat = ColorFormatRGB15,
100                 .depth    = 16,
101                 .flags    = FORMAT_FLAGS_PACKED,
102         },{
103                 .name     = "15 bpp RGB, be",
104                 .fourcc   = V4L2_PIX_FMT_RGB555X,
105                 .cxformat = ColorFormatRGB15 | ColorFormatBSWAP,
106                 .depth    = 16,
107                 .flags    = FORMAT_FLAGS_PACKED,
108         },{
109                 .name     = "16 bpp RGB, le",
110                 .fourcc   = V4L2_PIX_FMT_RGB565,
111                 .cxformat = ColorFormatRGB16,
112                 .depth    = 16,
113                 .flags    = FORMAT_FLAGS_PACKED,
114         },{
115                 .name     = "16 bpp RGB, be",
116                 .fourcc   = V4L2_PIX_FMT_RGB565X,
117                 .cxformat = ColorFormatRGB16 | ColorFormatBSWAP,
118                 .depth    = 16,
119                 .flags    = FORMAT_FLAGS_PACKED,
120         },{
121                 .name     = "24 bpp RGB, le",
122                 .fourcc   = V4L2_PIX_FMT_BGR24,
123                 .cxformat = ColorFormatRGB24,
124                 .depth    = 24,
125                 .flags    = FORMAT_FLAGS_PACKED,
126         },{
127                 .name     = "32 bpp RGB, le",
128                 .fourcc   = V4L2_PIX_FMT_BGR32,
129                 .cxformat = ColorFormatRGB32,
130                 .depth    = 32,
131                 .flags    = FORMAT_FLAGS_PACKED,
132         },{
133                 .name     = "32 bpp RGB, be",
134                 .fourcc   = V4L2_PIX_FMT_RGB32,
135                 .cxformat = ColorFormatRGB32 | ColorFormatBSWAP | ColorFormatWSWAP,
136                 .depth    = 32,
137                 .flags    = FORMAT_FLAGS_PACKED,
138         },{
139                 .name     = "4:2:2, packed, YUYV",
140                 .fourcc   = V4L2_PIX_FMT_YUYV,
141                 .cxformat = ColorFormatYUY2,
142                 .depth    = 16,
143                 .flags    = FORMAT_FLAGS_PACKED,
144         },{
145                 .name     = "4:2:2, packed, UYVY",
146                 .fourcc   = V4L2_PIX_FMT_UYVY,
147                 .cxformat = ColorFormatYUY2 | ColorFormatBSWAP,
148                 .depth    = 16,
149                 .flags    = FORMAT_FLAGS_PACKED,
150         },
151 };
152
153 static struct cx8800_fmt* format_by_fourcc(unsigned int fourcc)
154 {
155         unsigned int i;
156
157         for (i = 0; i < ARRAY_SIZE(formats); i++)
158                 if (formats[i].fourcc == fourcc)
159                         return formats+i;
160         return NULL;
161 }
162
163 /* ------------------------------------------------------------------- */
164
165 static const struct v4l2_queryctrl no_ctl = {
166         .name  = "42",
167         .flags = V4L2_CTRL_FLAG_DISABLED,
168 };
169
170 static struct cx88_ctrl cx8800_ctls[] = {
171         /* --- video --- */
172         {
173                 .v = {
174                         .id            = V4L2_CID_BRIGHTNESS,
175                         .name          = "Brightness",
176                         .minimum       = 0x00,
177                         .maximum       = 0xff,
178                         .step          = 1,
179                         .default_value = 0x7f,
180                         .type          = V4L2_CTRL_TYPE_INTEGER,
181                 },
182                 .off                   = 128,
183                 .reg                   = MO_CONTR_BRIGHT,
184                 .mask                  = 0x00ff,
185                 .shift                 = 0,
186         },{
187                 .v = {
188                         .id            = V4L2_CID_CONTRAST,
189                         .name          = "Contrast",
190                         .minimum       = 0,
191                         .maximum       = 0xff,
192                         .step          = 1,
193                         .default_value = 0x3f,
194                         .type          = V4L2_CTRL_TYPE_INTEGER,
195                 },
196                 .off                   = 0,
197                 .reg                   = MO_CONTR_BRIGHT,
198                 .mask                  = 0xff00,
199                 .shift                 = 8,
200         },{
201                 .v = {
202                         .id            = V4L2_CID_HUE,
203                         .name          = "Hue",
204                         .minimum       = 0,
205                         .maximum       = 0xff,
206                         .step          = 1,
207                         .default_value = 0x7f,
208                         .type          = V4L2_CTRL_TYPE_INTEGER,
209                 },
210                 .off                   = 128,
211                 .reg                   = MO_HUE,
212                 .mask                  = 0x00ff,
213                 .shift                 = 0,
214         },{
215                 /* strictly, this only describes only U saturation.
216                  * V saturation is handled specially through code.
217                  */
218                 .v = {
219                         .id            = V4L2_CID_SATURATION,
220                         .name          = "Saturation",
221                         .minimum       = 0,
222                         .maximum       = 0xff,
223                         .step          = 1,
224                         .default_value = 0x7f,
225                         .type          = V4L2_CTRL_TYPE_INTEGER,
226                 },
227                 .off                   = 0,
228                 .reg                   = MO_UV_SATURATION,
229                 .mask                  = 0x00ff,
230                 .shift                 = 0,
231         },{
232                 .v = {
233                         .id            = V4L2_CID_CHROMA_AGC,
234                         .name          = "Chroma AGC",
235                         .minimum       = 0,
236                         .maximum       = 1,
237                         .default_value = 0x1,
238                         .type          = V4L2_CTRL_TYPE_BOOLEAN,
239                 },
240                 .reg                   = MO_INPUT_FORMAT,
241                 .mask                  = 1 << 10,
242                 .shift                 = 10,
243         }, {
244                 .v = {
245                         .id            = V4L2_CID_COLOR_KILLER,
246                         .name          = "Color killer",
247                         .minimum       = 0,
248                         .maximum       = 1,
249                         .default_value = 0x1,
250                         .type          = V4L2_CTRL_TYPE_BOOLEAN,
251                 },
252                 .reg                   = MO_INPUT_FORMAT,
253                 .mask                  = 1 << 9,
254                 .shift                 = 9,
255         }, {
256         /* --- audio --- */
257                 .v = {
258                         .id            = V4L2_CID_AUDIO_MUTE,
259                         .name          = "Mute",
260                         .minimum       = 0,
261                         .maximum       = 1,
262                         .default_value = 1,
263                         .type          = V4L2_CTRL_TYPE_BOOLEAN,
264                 },
265                 .reg                   = AUD_VOL_CTL,
266                 .sreg                  = SHADOW_AUD_VOL_CTL,
267                 .mask                  = (1 << 6),
268                 .shift                 = 6,
269         },{
270                 .v = {
271                         .id            = V4L2_CID_AUDIO_VOLUME,
272                         .name          = "Volume",
273                         .minimum       = 0,
274                         .maximum       = 0x3f,
275                         .step          = 1,
276                         .default_value = 0x3f,
277                         .type          = V4L2_CTRL_TYPE_INTEGER,
278                 },
279                 .reg                   = AUD_VOL_CTL,
280                 .sreg                  = SHADOW_AUD_VOL_CTL,
281                 .mask                  = 0x3f,
282                 .shift                 = 0,
283         },{
284                 .v = {
285                         .id            = V4L2_CID_AUDIO_BALANCE,
286                         .name          = "Balance",
287                         .minimum       = 0,
288                         .maximum       = 0x7f,
289                         .step          = 1,
290                         .default_value = 0x40,
291                         .type          = V4L2_CTRL_TYPE_INTEGER,
292                 },
293                 .reg                   = AUD_BAL_CTL,
294                 .sreg                  = SHADOW_AUD_BAL_CTL,
295                 .mask                  = 0x7f,
296                 .shift                 = 0,
297         }
298 };
299 static const int CX8800_CTLS = ARRAY_SIZE(cx8800_ctls);
300
301 const u32 cx88_user_ctrls[] = {
302         V4L2_CID_USER_CLASS,
303         V4L2_CID_BRIGHTNESS,
304         V4L2_CID_CONTRAST,
305         V4L2_CID_SATURATION,
306         V4L2_CID_HUE,
307         V4L2_CID_AUDIO_VOLUME,
308         V4L2_CID_AUDIO_BALANCE,
309         V4L2_CID_AUDIO_MUTE,
310         V4L2_CID_CHROMA_AGC,
311         V4L2_CID_COLOR_KILLER,
312         0
313 };
314 EXPORT_SYMBOL(cx88_user_ctrls);
315
316 static const u32 *ctrl_classes[] = {
317         cx88_user_ctrls,
318         NULL
319 };
320
321 int cx8800_ctrl_query(struct cx88_core *core, struct v4l2_queryctrl *qctrl)
322 {
323         int i;
324
325         if (qctrl->id < V4L2_CID_BASE ||
326             qctrl->id >= V4L2_CID_LASTP1)
327                 return -EINVAL;
328         for (i = 0; i < CX8800_CTLS; i++)
329                 if (cx8800_ctls[i].v.id == qctrl->id)
330                         break;
331         if (i == CX8800_CTLS) {
332                 *qctrl = no_ctl;
333                 return 0;
334         }
335         *qctrl = cx8800_ctls[i].v;
336         /* Report chroma AGC as inactive when SECAM is selected */
337         if (cx8800_ctls[i].v.id == V4L2_CID_CHROMA_AGC &&
338             core->tvnorm & V4L2_STD_SECAM)
339                 qctrl->flags |= V4L2_CTRL_FLAG_INACTIVE;
340
341         return 0;
342 }
343 EXPORT_SYMBOL(cx8800_ctrl_query);
344
345 /* ------------------------------------------------------------------- */
346 /* resource management                                                 */
347
348 static int res_get(struct cx8800_dev *dev, struct cx8800_fh *fh, unsigned int bit)
349 {
350         struct cx88_core *core = dev->core;
351         if (fh->resources & bit)
352                 /* have it already allocated */
353                 return 1;
354
355         /* is it free? */
356         mutex_lock(&core->lock);
357         if (dev->resources & bit) {
358                 /* no, someone else uses it */
359                 mutex_unlock(&core->lock);
360                 return 0;
361         }
362         /* it's free, grab it */
363         fh->resources  |= bit;
364         dev->resources |= bit;
365         dprintk(1,"res: get %d\n",bit);
366         mutex_unlock(&core->lock);
367         return 1;
368 }
369
370 static
371 int res_check(struct cx8800_fh *fh, unsigned int bit)
372 {
373         return (fh->resources & bit);
374 }
375
376 static
377 int res_locked(struct cx8800_dev *dev, unsigned int bit)
378 {
379         return (dev->resources & bit);
380 }
381
382 static
383 void res_free(struct cx8800_dev *dev, struct cx8800_fh *fh, unsigned int bits)
384 {
385         struct cx88_core *core = dev->core;
386         BUG_ON((fh->resources & bits) != bits);
387
388         mutex_lock(&core->lock);
389         fh->resources  &= ~bits;
390         dev->resources &= ~bits;
391         dprintk(1,"res: put %d\n",bits);
392         mutex_unlock(&core->lock);
393 }
394
395 /* ------------------------------------------------------------------ */
396
397 int cx88_video_mux(struct cx88_core *core, unsigned int input)
398 {
399         /* struct cx88_core *core = dev->core; */
400
401         dprintk(1,"video_mux: %d [vmux=%d,gpio=0x%x,0x%x,0x%x,0x%x]\n",
402                 input, INPUT(input).vmux,
403                 INPUT(input).gpio0,INPUT(input).gpio1,
404                 INPUT(input).gpio2,INPUT(input).gpio3);
405         core->input = input;
406         cx_andor(MO_INPUT_FORMAT, 0x03 << 14, INPUT(input).vmux << 14);
407         cx_write(MO_GP3_IO, INPUT(input).gpio3);
408         cx_write(MO_GP0_IO, INPUT(input).gpio0);
409         cx_write(MO_GP1_IO, INPUT(input).gpio1);
410         cx_write(MO_GP2_IO, INPUT(input).gpio2);
411
412         switch (INPUT(input).type) {
413         case CX88_VMUX_SVIDEO:
414                 cx_set(MO_AFECFG_IO,    0x00000001);
415                 cx_set(MO_INPUT_FORMAT, 0x00010010);
416                 cx_set(MO_FILTER_EVEN,  0x00002020);
417                 cx_set(MO_FILTER_ODD,   0x00002020);
418                 break;
419         default:
420                 cx_clear(MO_AFECFG_IO,    0x00000001);
421                 cx_clear(MO_INPUT_FORMAT, 0x00010010);
422                 cx_clear(MO_FILTER_EVEN,  0x00002020);
423                 cx_clear(MO_FILTER_ODD,   0x00002020);
424                 break;
425         }
426
427         /* if there are audioroutes defined, we have an external
428            ADC to deal with audio */
429         if (INPUT(input).audioroute) {
430                 /* The wm8775 module has the "2" route hardwired into
431                    the initialization. Some boards may use different
432                    routes for different inputs. HVR-1300 surely does */
433                 if (core->board.audio_chip &&
434                     core->board.audio_chip == V4L2_IDENT_WM8775) {
435                         struct v4l2_routing route;
436
437                         route.input = INPUT(input).audioroute;
438                         cx88_call_i2c_clients(core,
439                                 VIDIOC_INT_S_AUDIO_ROUTING, &route);
440                 }
441                 /* cx2388's C-ADC is connected to the tuner only.
442                    When used with S-Video, that ADC is busy dealing with
443                    chroma, so an external must be used for baseband audio */
444                 if (INPUT(input).type != CX88_VMUX_TELEVISION ) {
445                         /* "I2S ADC mode" */
446                         core->tvaudio = WW_I2SADC;
447                         cx88_set_tvaudio(core);
448                 } else {
449                         /* Normal mode */
450                         cx_write(AUD_I2SCNTL, 0x0);
451                         cx_clear(AUD_CTL, EN_I2SIN_ENABLE);
452                 }
453         }
454
455         return 0;
456 }
457 EXPORT_SYMBOL(cx88_video_mux);
458
459 /* ------------------------------------------------------------------ */
460
461 static int start_video_dma(struct cx8800_dev    *dev,
462                            struct cx88_dmaqueue *q,
463                            struct cx88_buffer   *buf)
464 {
465         struct cx88_core *core = dev->core;
466
467         /* setup fifo + format */
468         cx88_sram_channel_setup(core, &cx88_sram_channels[SRAM_CH21],
469                                 buf->bpl, buf->risc.dma);
470         cx88_set_scale(core, buf->vb.width, buf->vb.height, buf->vb.field);
471         cx_write(MO_COLOR_CTRL, buf->fmt->cxformat | ColorFormatGamma);
472
473         /* reset counter */
474         cx_write(MO_VIDY_GPCNTRL,GP_COUNT_CONTROL_RESET);
475         q->count = 1;
476
477         /* enable irqs */
478         cx_set(MO_PCI_INTMSK, core->pci_irqmask | PCI_INT_VIDINT);
479
480         /* Enables corresponding bits at PCI_INT_STAT:
481                 bits 0 to 4: video, audio, transport stream, VIP, Host
482                 bit 7: timer
483                 bits 8 and 9: DMA complete for: SRC, DST
484                 bits 10 and 11: BERR signal asserted for RISC: RD, WR
485                 bits 12 to 15: BERR signal asserted for: BRDG, SRC, DST, IPB
486          */
487         cx_set(MO_VID_INTMSK, 0x0f0011);
488
489         /* enable capture */
490         cx_set(VID_CAPTURE_CONTROL,0x06);
491
492         /* start dma */
493         cx_set(MO_DEV_CNTRL2, (1<<5));
494         cx_set(MO_VID_DMACNTRL, 0x11); /* Planar Y and packed FIFO and RISC enable */
495
496         return 0;
497 }
498
499 #ifdef CONFIG_PM
500 static int stop_video_dma(struct cx8800_dev    *dev)
501 {
502         struct cx88_core *core = dev->core;
503
504         /* stop dma */
505         cx_clear(MO_VID_DMACNTRL, 0x11);
506
507         /* disable capture */
508         cx_clear(VID_CAPTURE_CONTROL,0x06);
509
510         /* disable irqs */
511         cx_clear(MO_PCI_INTMSK, PCI_INT_VIDINT);
512         cx_clear(MO_VID_INTMSK, 0x0f0011);
513         return 0;
514 }
515 #endif
516
517 static int restart_video_queue(struct cx8800_dev    *dev,
518                                struct cx88_dmaqueue *q)
519 {
520         struct cx88_core *core = dev->core;
521         struct cx88_buffer *buf, *prev;
522
523         if (!list_empty(&q->active)) {
524                 buf = list_entry(q->active.next, struct cx88_buffer, vb.queue);
525                 dprintk(2,"restart_queue [%p/%d]: restart dma\n",
526                         buf, buf->vb.i);
527                 start_video_dma(dev, q, buf);
528                 list_for_each_entry(buf, &q->active, vb.queue)
529                         buf->count = q->count++;
530                 mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT);
531                 return 0;
532         }
533
534         prev = NULL;
535         for (;;) {
536                 if (list_empty(&q->queued))
537                         return 0;
538                 buf = list_entry(q->queued.next, struct cx88_buffer, vb.queue);
539                 if (NULL == prev) {
540                         list_move_tail(&buf->vb.queue, &q->active);
541                         start_video_dma(dev, q, buf);
542                         buf->vb.state = VIDEOBUF_ACTIVE;
543                         buf->count    = q->count++;
544                         mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT);
545                         dprintk(2,"[%p/%d] restart_queue - first active\n",
546                                 buf,buf->vb.i);
547
548                 } else if (prev->vb.width  == buf->vb.width  &&
549                            prev->vb.height == buf->vb.height &&
550                            prev->fmt       == buf->fmt) {
551                         list_move_tail(&buf->vb.queue, &q->active);
552                         buf->vb.state = VIDEOBUF_ACTIVE;
553                         buf->count    = q->count++;
554                         prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma);
555                         dprintk(2,"[%p/%d] restart_queue - move to active\n",
556                                 buf,buf->vb.i);
557                 } else {
558                         return 0;
559                 }
560                 prev = buf;
561         }
562 }
563
564 /* ------------------------------------------------------------------ */
565
566 static int
567 buffer_setup(struct videobuf_queue *q, unsigned int *count, unsigned int *size)
568 {
569         struct cx8800_fh *fh = q->priv_data;
570
571         *size = fh->fmt->depth*fh->width*fh->height >> 3;
572         if (0 == *count)
573                 *count = 32;
574         while (*size * *count > vid_limit * 1024 * 1024)
575                 (*count)--;
576         return 0;
577 }
578
579 static int
580 buffer_prepare(struct videobuf_queue *q, struct videobuf_buffer *vb,
581                enum v4l2_field field)
582 {
583         struct cx8800_fh   *fh  = q->priv_data;
584         struct cx8800_dev  *dev = fh->dev;
585         struct cx88_core *core = dev->core;
586         struct cx88_buffer *buf = container_of(vb,struct cx88_buffer,vb);
587         struct videobuf_dmabuf *dma=videobuf_to_dma(&buf->vb);
588         int rc, init_buffer = 0;
589
590         BUG_ON(NULL == fh->fmt);
591         if (fh->width  < 48 || fh->width  > norm_maxw(core->tvnorm) ||
592             fh->height < 32 || fh->height > norm_maxh(core->tvnorm))
593                 return -EINVAL;
594         buf->vb.size = (fh->width * fh->height * fh->fmt->depth) >> 3;
595         if (0 != buf->vb.baddr  &&  buf->vb.bsize < buf->vb.size)
596                 return -EINVAL;
597
598         if (buf->fmt       != fh->fmt    ||
599             buf->vb.width  != fh->width  ||
600             buf->vb.height != fh->height ||
601             buf->vb.field  != field) {
602                 buf->fmt       = fh->fmt;
603                 buf->vb.width  = fh->width;
604                 buf->vb.height = fh->height;
605                 buf->vb.field  = field;
606                 init_buffer = 1;
607         }
608
609         if (VIDEOBUF_NEEDS_INIT == buf->vb.state) {
610                 init_buffer = 1;
611                 if (0 != (rc = videobuf_iolock(q,&buf->vb,NULL)))
612                         goto fail;
613         }
614
615         if (init_buffer) {
616                 buf->bpl = buf->vb.width * buf->fmt->depth >> 3;
617                 switch (buf->vb.field) {
618                 case V4L2_FIELD_TOP:
619                         cx88_risc_buffer(dev->pci, &buf->risc,
620                                          dma->sglist, 0, UNSET,
621                                          buf->bpl, 0, buf->vb.height);
622                         break;
623                 case V4L2_FIELD_BOTTOM:
624                         cx88_risc_buffer(dev->pci, &buf->risc,
625                                          dma->sglist, UNSET, 0,
626                                          buf->bpl, 0, buf->vb.height);
627                         break;
628                 case V4L2_FIELD_INTERLACED:
629                         cx88_risc_buffer(dev->pci, &buf->risc,
630                                          dma->sglist, 0, buf->bpl,
631                                          buf->bpl, buf->bpl,
632                                          buf->vb.height >> 1);
633                         break;
634                 case V4L2_FIELD_SEQ_TB:
635                         cx88_risc_buffer(dev->pci, &buf->risc,
636                                          dma->sglist,
637                                          0, buf->bpl * (buf->vb.height >> 1),
638                                          buf->bpl, 0,
639                                          buf->vb.height >> 1);
640                         break;
641                 case V4L2_FIELD_SEQ_BT:
642                         cx88_risc_buffer(dev->pci, &buf->risc,
643                                          dma->sglist,
644                                          buf->bpl * (buf->vb.height >> 1), 0,
645                                          buf->bpl, 0,
646                                          buf->vb.height >> 1);
647                         break;
648                 default:
649                         BUG();
650                 }
651         }
652         dprintk(2,"[%p/%d] buffer_prepare - %dx%d %dbpp \"%s\" - dma=0x%08lx\n",
653                 buf, buf->vb.i,
654                 fh->width, fh->height, fh->fmt->depth, fh->fmt->name,
655                 (unsigned long)buf->risc.dma);
656
657         buf->vb.state = VIDEOBUF_PREPARED;
658         return 0;
659
660  fail:
661         cx88_free_buffer(q,buf);
662         return rc;
663 }
664
665 static void
666 buffer_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb)
667 {
668         struct cx88_buffer    *buf = container_of(vb,struct cx88_buffer,vb);
669         struct cx88_buffer    *prev;
670         struct cx8800_fh      *fh   = vq->priv_data;
671         struct cx8800_dev     *dev  = fh->dev;
672         struct cx88_core      *core = dev->core;
673         struct cx88_dmaqueue  *q    = &dev->vidq;
674
675         /* add jump to stopper */
676         buf->risc.jmp[0] = cpu_to_le32(RISC_JUMP | RISC_IRQ1 | RISC_CNT_INC);
677         buf->risc.jmp[1] = cpu_to_le32(q->stopper.dma);
678
679         if (!list_empty(&q->queued)) {
680                 list_add_tail(&buf->vb.queue,&q->queued);
681                 buf->vb.state = VIDEOBUF_QUEUED;
682                 dprintk(2,"[%p/%d] buffer_queue - append to queued\n",
683                         buf, buf->vb.i);
684
685         } else if (list_empty(&q->active)) {
686                 list_add_tail(&buf->vb.queue,&q->active);
687                 start_video_dma(dev, q, buf);
688                 buf->vb.state = VIDEOBUF_ACTIVE;
689                 buf->count    = q->count++;
690                 mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT);
691                 dprintk(2,"[%p/%d] buffer_queue - first active\n",
692                         buf, buf->vb.i);
693
694         } else {
695                 prev = list_entry(q->active.prev, struct cx88_buffer, vb.queue);
696                 if (prev->vb.width  == buf->vb.width  &&
697                     prev->vb.height == buf->vb.height &&
698                     prev->fmt       == buf->fmt) {
699                         list_add_tail(&buf->vb.queue,&q->active);
700                         buf->vb.state = VIDEOBUF_ACTIVE;
701                         buf->count    = q->count++;
702                         prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma);
703                         dprintk(2,"[%p/%d] buffer_queue - append to active\n",
704                                 buf, buf->vb.i);
705
706                 } else {
707                         list_add_tail(&buf->vb.queue,&q->queued);
708                         buf->vb.state = VIDEOBUF_QUEUED;
709                         dprintk(2,"[%p/%d] buffer_queue - first queued\n",
710                                 buf, buf->vb.i);
711                 }
712         }
713 }
714
715 static void buffer_release(struct videobuf_queue *q, struct videobuf_buffer *vb)
716 {
717         struct cx88_buffer *buf = container_of(vb,struct cx88_buffer,vb);
718
719         cx88_free_buffer(q,buf);
720 }
721
722 static struct videobuf_queue_ops cx8800_video_qops = {
723         .buf_setup    = buffer_setup,
724         .buf_prepare  = buffer_prepare,
725         .buf_queue    = buffer_queue,
726         .buf_release  = buffer_release,
727 };
728
729 /* ------------------------------------------------------------------ */
730
731
732 /* ------------------------------------------------------------------ */
733
734 static struct videobuf_queue* get_queue(struct cx8800_fh *fh)
735 {
736         switch (fh->type) {
737         case V4L2_BUF_TYPE_VIDEO_CAPTURE:
738                 return &fh->vidq;
739         case V4L2_BUF_TYPE_VBI_CAPTURE:
740                 return &fh->vbiq;
741         default:
742                 BUG();
743                 return NULL;
744         }
745 }
746
747 static int get_ressource(struct cx8800_fh *fh)
748 {
749         switch (fh->type) {
750         case V4L2_BUF_TYPE_VIDEO_CAPTURE:
751                 return RESOURCE_VIDEO;
752         case V4L2_BUF_TYPE_VBI_CAPTURE:
753                 return RESOURCE_VBI;
754         default:
755                 BUG();
756                 return 0;
757         }
758 }
759
760 static int video_open(struct file *file)
761 {
762         int minor = video_devdata(file)->minor;
763         struct cx8800_dev *h,*dev = NULL;
764         struct cx88_core *core;
765         struct cx8800_fh *fh;
766         enum v4l2_buf_type type = 0;
767         int radio = 0;
768
769         lock_kernel();
770         list_for_each_entry(h, &cx8800_devlist, devlist) {
771                 if (h->video_dev->minor == minor) {
772                         dev  = h;
773                         type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
774                 }
775                 if (h->vbi_dev->minor == minor) {
776                         dev  = h;
777                         type = V4L2_BUF_TYPE_VBI_CAPTURE;
778                 }
779                 if (h->radio_dev &&
780                     h->radio_dev->minor == minor) {
781                         radio = 1;
782                         dev   = h;
783                 }
784         }
785         if (NULL == dev) {
786                 unlock_kernel();
787                 return -ENODEV;
788         }
789
790         core = dev->core;
791
792         dprintk(1,"open minor=%d radio=%d type=%s\n",
793                 minor,radio,v4l2_type_names[type]);
794
795         /* allocate + initialize per filehandle data */
796         fh = kzalloc(sizeof(*fh),GFP_KERNEL);
797         if (NULL == fh) {
798                 unlock_kernel();
799                 return -ENOMEM;
800         }
801         file->private_data = fh;
802         fh->dev      = dev;
803         fh->radio    = radio;
804         fh->type     = type;
805         fh->width    = 320;
806         fh->height   = 240;
807         fh->fmt      = format_by_fourcc(V4L2_PIX_FMT_BGR24);
808
809         videobuf_queue_sg_init(&fh->vidq, &cx8800_video_qops,
810                             &dev->pci->dev, &dev->slock,
811                             V4L2_BUF_TYPE_VIDEO_CAPTURE,
812                             V4L2_FIELD_INTERLACED,
813                             sizeof(struct cx88_buffer),
814                             fh);
815         videobuf_queue_sg_init(&fh->vbiq, &cx8800_vbi_qops,
816                             &dev->pci->dev, &dev->slock,
817                             V4L2_BUF_TYPE_VBI_CAPTURE,
818                             V4L2_FIELD_SEQ_TB,
819                             sizeof(struct cx88_buffer),
820                             fh);
821
822         if (fh->radio) {
823                 dprintk(1,"video_open: setting radio device\n");
824                 cx_write(MO_GP3_IO, core->board.radio.gpio3);
825                 cx_write(MO_GP0_IO, core->board.radio.gpio0);
826                 cx_write(MO_GP1_IO, core->board.radio.gpio1);
827                 cx_write(MO_GP2_IO, core->board.radio.gpio2);
828                 if (core->board.radio.audioroute) {
829                         if(core->board.audio_chip &&
830                                 core->board.audio_chip == V4L2_IDENT_WM8775) {
831                                 struct v4l2_routing route;
832
833                                 route.input = core->board.radio.audioroute;
834                                 cx88_call_i2c_clients(core,
835                                         VIDIOC_INT_S_AUDIO_ROUTING, &route);
836                         }
837                         /* "I2S ADC mode" */
838                         core->tvaudio = WW_I2SADC;
839                         cx88_set_tvaudio(core);
840                 } else {
841                         /* FM Mode */
842                         core->tvaudio = WW_FM;
843                         cx88_set_tvaudio(core);
844                         cx88_set_stereo(core,V4L2_TUNER_MODE_STEREO,1);
845                 }
846                 cx88_call_i2c_clients(core,AUDC_SET_RADIO,NULL);
847         }
848         unlock_kernel();
849
850         atomic_inc(&core->users);
851
852         return 0;
853 }
854
855 static ssize_t
856 video_read(struct file *file, char __user *data, size_t count, loff_t *ppos)
857 {
858         struct cx8800_fh *fh = file->private_data;
859
860         switch (fh->type) {
861         case V4L2_BUF_TYPE_VIDEO_CAPTURE:
862                 if (res_locked(fh->dev,RESOURCE_VIDEO))
863                         return -EBUSY;
864                 return videobuf_read_one(&fh->vidq, data, count, ppos,
865                                          file->f_flags & O_NONBLOCK);
866         case V4L2_BUF_TYPE_VBI_CAPTURE:
867                 if (!res_get(fh->dev,fh,RESOURCE_VBI))
868                         return -EBUSY;
869                 return videobuf_read_stream(&fh->vbiq, data, count, ppos, 1,
870                                             file->f_flags & O_NONBLOCK);
871         default:
872                 BUG();
873                 return 0;
874         }
875 }
876
877 static unsigned int
878 video_poll(struct file *file, struct poll_table_struct *wait)
879 {
880         struct cx8800_fh *fh = file->private_data;
881         struct cx88_buffer *buf;
882
883         if (V4L2_BUF_TYPE_VBI_CAPTURE == fh->type) {
884                 if (!res_get(fh->dev,fh,RESOURCE_VBI))
885                         return POLLERR;
886                 return videobuf_poll_stream(file, &fh->vbiq, wait);
887         }
888
889         if (res_check(fh,RESOURCE_VIDEO)) {
890                 /* streaming capture */
891                 if (list_empty(&fh->vidq.stream))
892                         return POLLERR;
893                 buf = list_entry(fh->vidq.stream.next,struct cx88_buffer,vb.stream);
894         } else {
895                 /* read() capture */
896                 buf = (struct cx88_buffer*)fh->vidq.read_buf;
897                 if (NULL == buf)
898                         return POLLERR;
899         }
900         poll_wait(file, &buf->vb.done, wait);
901         if (buf->vb.state == VIDEOBUF_DONE ||
902             buf->vb.state == VIDEOBUF_ERROR)
903                 return POLLIN|POLLRDNORM;
904         return 0;
905 }
906
907 static int video_release(struct file *file)
908 {
909         struct cx8800_fh  *fh  = file->private_data;
910         struct cx8800_dev *dev = fh->dev;
911
912         /* turn off overlay */
913         if (res_check(fh, RESOURCE_OVERLAY)) {
914                 /* FIXME */
915                 res_free(dev,fh,RESOURCE_OVERLAY);
916         }
917
918         /* stop video capture */
919         if (res_check(fh, RESOURCE_VIDEO)) {
920                 videobuf_queue_cancel(&fh->vidq);
921                 res_free(dev,fh,RESOURCE_VIDEO);
922         }
923         if (fh->vidq.read_buf) {
924                 buffer_release(&fh->vidq,fh->vidq.read_buf);
925                 kfree(fh->vidq.read_buf);
926         }
927
928         /* stop vbi capture */
929         if (res_check(fh, RESOURCE_VBI)) {
930                 videobuf_stop(&fh->vbiq);
931                 res_free(dev,fh,RESOURCE_VBI);
932         }
933
934         videobuf_mmap_free(&fh->vidq);
935         videobuf_mmap_free(&fh->vbiq);
936         file->private_data = NULL;
937         kfree(fh);
938
939         if(atomic_dec_and_test(&dev->core->users))
940                 cx88_call_i2c_clients (dev->core, TUNER_SET_STANDBY, NULL);
941
942         return 0;
943 }
944
945 static int
946 video_mmap(struct file *file, struct vm_area_struct * vma)
947 {
948         struct cx8800_fh *fh = file->private_data;
949
950         return videobuf_mmap_mapper(get_queue(fh), vma);
951 }
952
953 /* ------------------------------------------------------------------ */
954 /* VIDEO CTRL IOCTLS                                                  */
955
956 int cx88_get_control (struct cx88_core  *core, struct v4l2_control *ctl)
957 {
958         struct cx88_ctrl  *c    = NULL;
959         u32 value;
960         int i;
961
962         for (i = 0; i < CX8800_CTLS; i++)
963                 if (cx8800_ctls[i].v.id == ctl->id)
964                         c = &cx8800_ctls[i];
965         if (unlikely(NULL == c))
966                 return -EINVAL;
967
968         value = c->sreg ? cx_sread(c->sreg) : cx_read(c->reg);
969         switch (ctl->id) {
970         case V4L2_CID_AUDIO_BALANCE:
971                 ctl->value = ((value & 0x7f) < 0x40) ? ((value & 0x7f) + 0x40)
972                                         : (0x7f - (value & 0x7f));
973                 break;
974         case V4L2_CID_AUDIO_VOLUME:
975                 ctl->value = 0x3f - (value & 0x3f);
976                 break;
977         default:
978                 ctl->value = ((value + (c->off << c->shift)) & c->mask) >> c->shift;
979                 break;
980         }
981         dprintk(1,"get_control id=0x%X(%s) ctrl=0x%02x, reg=0x%02x val=0x%02x (mask 0x%02x)%s\n",
982                                 ctl->id, c->v.name, ctl->value, c->reg,
983                                 value,c->mask, c->sreg ? " [shadowed]" : "");
984         return 0;
985 }
986 EXPORT_SYMBOL(cx88_get_control);
987
988 int cx88_set_control(struct cx88_core *core, struct v4l2_control *ctl)
989 {
990         struct cx88_ctrl *c = NULL;
991         u32 value,mask;
992         int i;
993
994         for (i = 0; i < CX8800_CTLS; i++) {
995                 if (cx8800_ctls[i].v.id == ctl->id) {
996                         c = &cx8800_ctls[i];
997                 }
998         }
999         if (unlikely(NULL == c))
1000                 return -EINVAL;
1001
1002         if (ctl->value < c->v.minimum)
1003                 ctl->value = c->v.minimum;
1004         if (ctl->value > c->v.maximum)
1005                 ctl->value = c->v.maximum;
1006         mask=c->mask;
1007         switch (ctl->id) {
1008         case V4L2_CID_AUDIO_BALANCE:
1009                 value = (ctl->value < 0x40) ? (0x7f - ctl->value) : (ctl->value - 0x40);
1010                 break;
1011         case V4L2_CID_AUDIO_VOLUME:
1012                 value = 0x3f - (ctl->value & 0x3f);
1013                 break;
1014         case V4L2_CID_SATURATION:
1015                 /* special v_sat handling */
1016
1017                 value = ((ctl->value - c->off) << c->shift) & c->mask;
1018
1019                 if (core->tvnorm & V4L2_STD_SECAM) {
1020                         /* For SECAM, both U and V sat should be equal */
1021                         value=value<<8|value;
1022                 } else {
1023                         /* Keeps U Saturation proportional to V Sat */
1024                         value=(value*0x5a)/0x7f<<8|value;
1025                 }
1026                 mask=0xffff;
1027                 break;
1028         case V4L2_CID_CHROMA_AGC:
1029                 /* Do not allow chroma AGC to be enabled for SECAM */
1030                 value = ((ctl->value - c->off) << c->shift) & c->mask;
1031                 if (core->tvnorm & V4L2_STD_SECAM && value)
1032                         return -EINVAL;
1033                 break;
1034         default:
1035                 value = ((ctl->value - c->off) << c->shift) & c->mask;
1036                 break;
1037         }
1038         dprintk(1,"set_control id=0x%X(%s) ctrl=0x%02x, reg=0x%02x val=0x%02x (mask 0x%02x)%s\n",
1039                                 ctl->id, c->v.name, ctl->value, c->reg, value,
1040                                 mask, c->sreg ? " [shadowed]" : "");
1041         if (c->sreg) {
1042                 cx_sandor(c->sreg, c->reg, mask, value);
1043         } else {
1044                 cx_andor(c->reg, mask, value);
1045         }
1046         return 0;
1047 }
1048 EXPORT_SYMBOL(cx88_set_control);
1049
1050 static void init_controls(struct cx88_core *core)
1051 {
1052         struct v4l2_control ctrl;
1053         int i;
1054
1055         for (i = 0; i < CX8800_CTLS; i++) {
1056                 ctrl.id=cx8800_ctls[i].v.id;
1057                 ctrl.value=cx8800_ctls[i].v.default_value;
1058
1059                 cx88_set_control(core, &ctrl);
1060         }
1061 }
1062
1063 /* ------------------------------------------------------------------ */
1064 /* VIDEO IOCTLS                                                       */
1065
1066 static int vidioc_g_fmt_vid_cap(struct file *file, void *priv,
1067                                         struct v4l2_format *f)
1068 {
1069         struct cx8800_fh  *fh   = priv;
1070
1071         f->fmt.pix.width        = fh->width;
1072         f->fmt.pix.height       = fh->height;
1073         f->fmt.pix.field        = fh->vidq.field;
1074         f->fmt.pix.pixelformat  = fh->fmt->fourcc;
1075         f->fmt.pix.bytesperline =
1076                 (f->fmt.pix.width * fh->fmt->depth) >> 3;
1077         f->fmt.pix.sizeimage =
1078                 f->fmt.pix.height * f->fmt.pix.bytesperline;
1079         return 0;
1080 }
1081
1082 static int vidioc_try_fmt_vid_cap(struct file *file, void *priv,
1083                         struct v4l2_format *f)
1084 {
1085         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1086         struct cx8800_fmt *fmt;
1087         enum v4l2_field   field;
1088         unsigned int      maxw, maxh;
1089
1090         fmt = format_by_fourcc(f->fmt.pix.pixelformat);
1091         if (NULL == fmt)
1092                 return -EINVAL;
1093
1094         field = f->fmt.pix.field;
1095         maxw  = norm_maxw(core->tvnorm);
1096         maxh  = norm_maxh(core->tvnorm);
1097
1098         if (V4L2_FIELD_ANY == field) {
1099                 field = (f->fmt.pix.height > maxh/2)
1100                         ? V4L2_FIELD_INTERLACED
1101                         : V4L2_FIELD_BOTTOM;
1102         }
1103
1104         switch (field) {
1105         case V4L2_FIELD_TOP:
1106         case V4L2_FIELD_BOTTOM:
1107                 maxh = maxh / 2;
1108                 break;
1109         case V4L2_FIELD_INTERLACED:
1110                 break;
1111         default:
1112                 return -EINVAL;
1113         }
1114
1115         f->fmt.pix.field = field;
1116         if (f->fmt.pix.height < 32)
1117                 f->fmt.pix.height = 32;
1118         if (f->fmt.pix.height > maxh)
1119                 f->fmt.pix.height = maxh;
1120         if (f->fmt.pix.width < 48)
1121                 f->fmt.pix.width = 48;
1122         if (f->fmt.pix.width > maxw)
1123                 f->fmt.pix.width = maxw;
1124         f->fmt.pix.width &= ~0x03;
1125         f->fmt.pix.bytesperline =
1126                 (f->fmt.pix.width * fmt->depth) >> 3;
1127         f->fmt.pix.sizeimage =
1128                 f->fmt.pix.height * f->fmt.pix.bytesperline;
1129
1130         return 0;
1131 }
1132
1133 static int vidioc_s_fmt_vid_cap(struct file *file, void *priv,
1134                                         struct v4l2_format *f)
1135 {
1136         struct cx8800_fh  *fh   = priv;
1137         int err = vidioc_try_fmt_vid_cap (file,priv,f);
1138
1139         if (0 != err)
1140                 return err;
1141         fh->fmt        = format_by_fourcc(f->fmt.pix.pixelformat);
1142         fh->width      = f->fmt.pix.width;
1143         fh->height     = f->fmt.pix.height;
1144         fh->vidq.field = f->fmt.pix.field;
1145         return 0;
1146 }
1147
1148 static int vidioc_querycap (struct file *file, void  *priv,
1149                                         struct v4l2_capability *cap)
1150 {
1151         struct cx8800_dev *dev  = ((struct cx8800_fh *)priv)->dev;
1152         struct cx88_core  *core = dev->core;
1153
1154         strcpy(cap->driver, "cx8800");
1155         strlcpy(cap->card, core->board.name, sizeof(cap->card));
1156         sprintf(cap->bus_info,"PCI:%s",pci_name(dev->pci));
1157         cap->version = CX88_VERSION_CODE;
1158         cap->capabilities =
1159                 V4L2_CAP_VIDEO_CAPTURE |
1160                 V4L2_CAP_READWRITE     |
1161                 V4L2_CAP_STREAMING     |
1162                 V4L2_CAP_VBI_CAPTURE;
1163         if (UNSET != core->board.tuner_type)
1164                 cap->capabilities |= V4L2_CAP_TUNER;
1165         return 0;
1166 }
1167
1168 static int vidioc_enum_fmt_vid_cap (struct file *file, void  *priv,
1169                                         struct v4l2_fmtdesc *f)
1170 {
1171         if (unlikely(f->index >= ARRAY_SIZE(formats)))
1172                 return -EINVAL;
1173
1174         strlcpy(f->description,formats[f->index].name,sizeof(f->description));
1175         f->pixelformat = formats[f->index].fourcc;
1176
1177         return 0;
1178 }
1179
1180 #ifdef CONFIG_VIDEO_V4L1_COMPAT
1181 static int vidiocgmbuf (struct file *file, void *priv, struct video_mbuf *mbuf)
1182 {
1183         struct cx8800_fh           *fh  = priv;
1184
1185         return videobuf_cgmbuf (get_queue(fh), mbuf, 8);
1186 }
1187 #endif
1188
1189 static int vidioc_reqbufs (struct file *file, void *priv, struct v4l2_requestbuffers *p)
1190 {
1191         struct cx8800_fh  *fh   = priv;
1192         return (videobuf_reqbufs(get_queue(fh), p));
1193 }
1194
1195 static int vidioc_querybuf (struct file *file, void *priv, struct v4l2_buffer *p)
1196 {
1197         struct cx8800_fh  *fh   = priv;
1198         return (videobuf_querybuf(get_queue(fh), p));
1199 }
1200
1201 static int vidioc_qbuf (struct file *file, void *priv, struct v4l2_buffer *p)
1202 {
1203         struct cx8800_fh  *fh   = priv;
1204         return (videobuf_qbuf(get_queue(fh), p));
1205 }
1206
1207 static int vidioc_dqbuf (struct file *file, void *priv, struct v4l2_buffer *p)
1208 {
1209         struct cx8800_fh  *fh   = priv;
1210         return (videobuf_dqbuf(get_queue(fh), p,
1211                                 file->f_flags & O_NONBLOCK));
1212 }
1213
1214 static int vidioc_streamon(struct file *file, void *priv, enum v4l2_buf_type i)
1215 {
1216         struct cx8800_fh  *fh   = priv;
1217         struct cx8800_dev *dev  = fh->dev;
1218
1219         /* We should remember that this driver also supports teletext,  */
1220         /* so we have to test if the v4l2_buf_type is VBI capture data. */
1221         if (unlikely((fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) &&
1222                      (fh->type != V4L2_BUF_TYPE_VBI_CAPTURE)))
1223                 return -EINVAL;
1224
1225         if (unlikely(i != fh->type))
1226                 return -EINVAL;
1227
1228         if (unlikely(!res_get(dev,fh,get_ressource(fh))))
1229                 return -EBUSY;
1230         return videobuf_streamon(get_queue(fh));
1231 }
1232
1233 static int vidioc_streamoff(struct file *file, void *priv, enum v4l2_buf_type i)
1234 {
1235         struct cx8800_fh  *fh   = priv;
1236         struct cx8800_dev *dev  = fh->dev;
1237         int               err, res;
1238
1239         if ((fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) &&
1240             (fh->type != V4L2_BUF_TYPE_VBI_CAPTURE))
1241                 return -EINVAL;
1242
1243         if (i != fh->type)
1244                 return -EINVAL;
1245
1246         res = get_ressource(fh);
1247         err = videobuf_streamoff(get_queue(fh));
1248         if (err < 0)
1249                 return err;
1250         res_free(dev,fh,res);
1251         return 0;
1252 }
1253
1254 static int vidioc_s_std (struct file *file, void *priv, v4l2_std_id *tvnorms)
1255 {
1256         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1257
1258         mutex_lock(&core->lock);
1259         cx88_set_tvnorm(core,*tvnorms);
1260         mutex_unlock(&core->lock);
1261
1262         return 0;
1263 }
1264
1265 /* only one input in this sample driver */
1266 int cx88_enum_input (struct cx88_core  *core,struct v4l2_input *i)
1267 {
1268         static const char *iname[] = {
1269                 [ CX88_VMUX_COMPOSITE1 ] = "Composite1",
1270                 [ CX88_VMUX_COMPOSITE2 ] = "Composite2",
1271                 [ CX88_VMUX_COMPOSITE3 ] = "Composite3",
1272                 [ CX88_VMUX_COMPOSITE4 ] = "Composite4",
1273                 [ CX88_VMUX_SVIDEO     ] = "S-Video",
1274                 [ CX88_VMUX_TELEVISION ] = "Television",
1275                 [ CX88_VMUX_CABLE      ] = "Cable TV",
1276                 [ CX88_VMUX_DVB        ] = "DVB",
1277                 [ CX88_VMUX_DEBUG      ] = "for debug only",
1278         };
1279         unsigned int n;
1280
1281         n = i->index;
1282         if (n >= 4)
1283                 return -EINVAL;
1284         if (0 == INPUT(n).type)
1285                 return -EINVAL;
1286         memset(i,0,sizeof(*i));
1287         i->index = n;
1288         i->type  = V4L2_INPUT_TYPE_CAMERA;
1289         strcpy(i->name,iname[INPUT(n).type]);
1290         if ((CX88_VMUX_TELEVISION == INPUT(n).type) ||
1291             (CX88_VMUX_CABLE      == INPUT(n).type))
1292                 i->type = V4L2_INPUT_TYPE_TUNER;
1293                 i->std = CX88_NORMS;
1294         return 0;
1295 }
1296 EXPORT_SYMBOL(cx88_enum_input);
1297
1298 static int vidioc_enum_input (struct file *file, void *priv,
1299                                 struct v4l2_input *i)
1300 {
1301         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1302         return cx88_enum_input (core,i);
1303 }
1304
1305 static int vidioc_g_input (struct file *file, void *priv, unsigned int *i)
1306 {
1307         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1308
1309         *i = core->input;
1310         return 0;
1311 }
1312
1313 static int vidioc_s_input (struct file *file, void *priv, unsigned int i)
1314 {
1315         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1316
1317         if (i >= 4)
1318                 return -EINVAL;
1319
1320         mutex_lock(&core->lock);
1321         cx88_newstation(core);
1322         cx88_video_mux(core,i);
1323         mutex_unlock(&core->lock);
1324         return 0;
1325 }
1326
1327
1328
1329 static int vidioc_queryctrl (struct file *file, void *priv,
1330                                 struct v4l2_queryctrl *qctrl)
1331 {
1332         struct cx88_core *core = ((struct cx8800_fh *)priv)->dev->core;
1333
1334         qctrl->id = v4l2_ctrl_next(ctrl_classes, qctrl->id);
1335         if (unlikely(qctrl->id == 0))
1336                 return -EINVAL;
1337         return cx8800_ctrl_query(core, qctrl);
1338 }
1339
1340 static int vidioc_g_ctrl (struct file *file, void *priv,
1341                                 struct v4l2_control *ctl)
1342 {
1343         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1344         return
1345                 cx88_get_control(core,ctl);
1346 }
1347
1348 static int vidioc_s_ctrl (struct file *file, void *priv,
1349                                 struct v4l2_control *ctl)
1350 {
1351         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1352         return
1353                 cx88_set_control(core,ctl);
1354 }
1355
1356 static int vidioc_g_tuner (struct file *file, void *priv,
1357                                 struct v4l2_tuner *t)
1358 {
1359         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1360         u32 reg;
1361
1362         if (unlikely(UNSET == core->board.tuner_type))
1363                 return -EINVAL;
1364         if (0 != t->index)
1365                 return -EINVAL;
1366
1367         strcpy(t->name, "Television");
1368         t->type       = V4L2_TUNER_ANALOG_TV;
1369         t->capability = V4L2_TUNER_CAP_NORM;
1370         t->rangehigh  = 0xffffffffUL;
1371
1372         cx88_get_stereo(core ,t);
1373         reg = cx_read(MO_DEVICE_STATUS);
1374         t->signal = (reg & (1<<5)) ? 0xffff : 0x0000;
1375         return 0;
1376 }
1377
1378 static int vidioc_s_tuner (struct file *file, void *priv,
1379                                 struct v4l2_tuner *t)
1380 {
1381         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1382
1383         if (UNSET == core->board.tuner_type)
1384                 return -EINVAL;
1385         if (0 != t->index)
1386                 return -EINVAL;
1387
1388         cx88_set_stereo(core, t->audmode, 1);
1389         return 0;
1390 }
1391
1392 static int vidioc_g_frequency (struct file *file, void *priv,
1393                                 struct v4l2_frequency *f)
1394 {
1395         struct cx8800_fh  *fh   = priv;
1396         struct cx88_core  *core = fh->dev->core;
1397
1398         if (unlikely(UNSET == core->board.tuner_type))
1399                 return -EINVAL;
1400
1401         /* f->type = fh->radio ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV; */
1402         f->type = fh->radio ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV;
1403         f->frequency = core->freq;
1404
1405         cx88_call_i2c_clients(core,VIDIOC_G_FREQUENCY,f);
1406
1407         return 0;
1408 }
1409
1410 int cx88_set_freq (struct cx88_core  *core,
1411                                 struct v4l2_frequency *f)
1412 {
1413         if (unlikely(UNSET == core->board.tuner_type))
1414                 return -EINVAL;
1415         if (unlikely(f->tuner != 0))
1416                 return -EINVAL;
1417
1418         mutex_lock(&core->lock);
1419         core->freq = f->frequency;
1420         cx88_newstation(core);
1421         cx88_call_i2c_clients(core,VIDIOC_S_FREQUENCY,f);
1422
1423         /* When changing channels it is required to reset TVAUDIO */
1424         msleep (10);
1425         cx88_set_tvaudio(core);
1426
1427         mutex_unlock(&core->lock);
1428
1429         return 0;
1430 }
1431 EXPORT_SYMBOL(cx88_set_freq);
1432
1433 static int vidioc_s_frequency (struct file *file, void *priv,
1434                                 struct v4l2_frequency *f)
1435 {
1436         struct cx8800_fh  *fh   = priv;
1437         struct cx88_core  *core = fh->dev->core;
1438
1439         if (unlikely(0 == fh->radio && f->type != V4L2_TUNER_ANALOG_TV))
1440                 return -EINVAL;
1441         if (unlikely(1 == fh->radio && f->type != V4L2_TUNER_RADIO))
1442                 return -EINVAL;
1443
1444         return
1445                 cx88_set_freq (core,f);
1446 }
1447
1448 #ifdef CONFIG_VIDEO_ADV_DEBUG
1449 static int vidioc_g_register (struct file *file, void *fh,
1450                                 struct v4l2_register *reg)
1451 {
1452         struct cx88_core *core = ((struct cx8800_fh*)fh)->dev->core;
1453
1454         if (!v4l2_chip_match_host(reg->match_type, reg->match_chip))
1455                 return -EINVAL;
1456         /* cx2388x has a 24-bit register space */
1457         reg->val = cx_read(reg->reg&0xffffff);
1458         return 0;
1459 }
1460
1461 static int vidioc_s_register (struct file *file, void *fh,
1462                                 struct v4l2_register *reg)
1463 {
1464         struct cx88_core *core = ((struct cx8800_fh*)fh)->dev->core;
1465
1466         if (!v4l2_chip_match_host(reg->match_type, reg->match_chip))
1467                 return -EINVAL;
1468         cx_write(reg->reg&0xffffff, reg->val);
1469         return 0;
1470 }
1471 #endif
1472
1473 /* ----------------------------------------------------------- */
1474 /* RADIO ESPECIFIC IOCTLS                                      */
1475 /* ----------------------------------------------------------- */
1476
1477 static int radio_querycap (struct file *file, void  *priv,
1478                                         struct v4l2_capability *cap)
1479 {
1480         struct cx8800_dev *dev  = ((struct cx8800_fh *)priv)->dev;
1481         struct cx88_core  *core = dev->core;
1482
1483         strcpy(cap->driver, "cx8800");
1484         strlcpy(cap->card, core->board.name, sizeof(cap->card));
1485         sprintf(cap->bus_info,"PCI:%s", pci_name(dev->pci));
1486         cap->version = CX88_VERSION_CODE;
1487         cap->capabilities = V4L2_CAP_TUNER;
1488         return 0;
1489 }
1490
1491 static int radio_g_tuner (struct file *file, void *priv,
1492                                 struct v4l2_tuner *t)
1493 {
1494         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1495
1496         if (unlikely(t->index > 0))
1497                 return -EINVAL;
1498
1499         strcpy(t->name, "Radio");
1500         t->type = V4L2_TUNER_RADIO;
1501
1502         cx88_call_i2c_clients(core,VIDIOC_G_TUNER,t);
1503         return 0;
1504 }
1505
1506 static int radio_enum_input (struct file *file, void *priv,
1507                                 struct v4l2_input *i)
1508 {
1509         if (i->index != 0)
1510                 return -EINVAL;
1511         strcpy(i->name,"Radio");
1512         i->type = V4L2_INPUT_TYPE_TUNER;
1513
1514         return 0;
1515 }
1516
1517 static int radio_g_audio (struct file *file, void *priv, struct v4l2_audio *a)
1518 {
1519         if (unlikely(a->index))
1520                 return -EINVAL;
1521
1522         memset(a,0,sizeof(*a));
1523         strcpy(a->name,"Radio");
1524         return 0;
1525 }
1526
1527 /* FIXME: Should add a standard for radio */
1528
1529 static int radio_s_tuner (struct file *file, void *priv,
1530                                 struct v4l2_tuner *t)
1531 {
1532         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1533
1534         if (0 != t->index)
1535                 return -EINVAL;
1536
1537         cx88_call_i2c_clients(core,VIDIOC_S_TUNER,t);
1538
1539         return 0;
1540 }
1541
1542 static int radio_s_audio (struct file *file, void *fh,
1543                           struct v4l2_audio *a)
1544 {
1545         return 0;
1546 }
1547
1548 static int radio_s_input (struct file *file, void *fh, unsigned int i)
1549 {
1550         return 0;
1551 }
1552
1553 static int radio_queryctrl (struct file *file, void *priv,
1554                             struct v4l2_queryctrl *c)
1555 {
1556         int i;
1557
1558         if (c->id <  V4L2_CID_BASE ||
1559                 c->id >= V4L2_CID_LASTP1)
1560                 return -EINVAL;
1561         if (c->id == V4L2_CID_AUDIO_MUTE) {
1562                 for (i = 0; i < CX8800_CTLS; i++)
1563                         if (cx8800_ctls[i].v.id == c->id)
1564                                 break;
1565                 *c = cx8800_ctls[i].v;
1566         } else
1567                 *c = no_ctl;
1568         return 0;
1569 }
1570
1571 /* ----------------------------------------------------------- */
1572
1573 static void cx8800_vid_timeout(unsigned long data)
1574 {
1575         struct cx8800_dev *dev = (struct cx8800_dev*)data;
1576         struct cx88_core *core = dev->core;
1577         struct cx88_dmaqueue *q = &dev->vidq;
1578         struct cx88_buffer *buf;
1579         unsigned long flags;
1580
1581         cx88_sram_channel_dump(core, &cx88_sram_channels[SRAM_CH21]);
1582
1583         cx_clear(MO_VID_DMACNTRL, 0x11);
1584         cx_clear(VID_CAPTURE_CONTROL, 0x06);
1585
1586         spin_lock_irqsave(&dev->slock,flags);
1587         while (!list_empty(&q->active)) {
1588                 buf = list_entry(q->active.next, struct cx88_buffer, vb.queue);
1589                 list_del(&buf->vb.queue);
1590                 buf->vb.state = VIDEOBUF_ERROR;
1591                 wake_up(&buf->vb.done);
1592                 printk("%s/0: [%p/%d] timeout - dma=0x%08lx\n", core->name,
1593                        buf, buf->vb.i, (unsigned long)buf->risc.dma);
1594         }
1595         restart_video_queue(dev,q);
1596         spin_unlock_irqrestore(&dev->slock,flags);
1597 }
1598
1599 static char *cx88_vid_irqs[32] = {
1600         "y_risci1", "u_risci1", "v_risci1", "vbi_risc1",
1601         "y_risci2", "u_risci2", "v_risci2", "vbi_risc2",
1602         "y_oflow",  "u_oflow",  "v_oflow",  "vbi_oflow",
1603         "y_sync",   "u_sync",   "v_sync",   "vbi_sync",
1604         "opc_err",  "par_err",  "rip_err",  "pci_abort",
1605 };
1606
1607 static void cx8800_vid_irq(struct cx8800_dev *dev)
1608 {
1609         struct cx88_core *core = dev->core;
1610         u32 status, mask, count;
1611
1612         status = cx_read(MO_VID_INTSTAT);
1613         mask   = cx_read(MO_VID_INTMSK);
1614         if (0 == (status & mask))
1615                 return;
1616         cx_write(MO_VID_INTSTAT, status);
1617         if (irq_debug  ||  (status & mask & ~0xff))
1618                 cx88_print_irqbits(core->name, "irq vid",
1619                                    cx88_vid_irqs, ARRAY_SIZE(cx88_vid_irqs),
1620                                    status, mask);
1621
1622         /* risc op code error */
1623         if (status & (1 << 16)) {
1624                 printk(KERN_WARNING "%s/0: video risc op code error\n",core->name);
1625                 cx_clear(MO_VID_DMACNTRL, 0x11);
1626                 cx_clear(VID_CAPTURE_CONTROL, 0x06);
1627                 cx88_sram_channel_dump(core, &cx88_sram_channels[SRAM_CH21]);
1628         }
1629
1630         /* risc1 y */
1631         if (status & 0x01) {
1632                 spin_lock(&dev->slock);
1633                 count = cx_read(MO_VIDY_GPCNT);
1634                 cx88_wakeup(core, &dev->vidq, count);
1635                 spin_unlock(&dev->slock);
1636         }
1637
1638         /* risc1 vbi */
1639         if (status & 0x08) {
1640                 spin_lock(&dev->slock);
1641                 count = cx_read(MO_VBI_GPCNT);
1642                 cx88_wakeup(core, &dev->vbiq, count);
1643                 spin_unlock(&dev->slock);
1644         }
1645
1646         /* risc2 y */
1647         if (status & 0x10) {
1648                 dprintk(2,"stopper video\n");
1649                 spin_lock(&dev->slock);
1650                 restart_video_queue(dev,&dev->vidq);
1651                 spin_unlock(&dev->slock);
1652         }
1653
1654         /* risc2 vbi */
1655         if (status & 0x80) {
1656                 dprintk(2,"stopper vbi\n");
1657                 spin_lock(&dev->slock);
1658                 cx8800_restart_vbi_queue(dev,&dev->vbiq);
1659                 spin_unlock(&dev->slock);
1660         }
1661 }
1662
1663 static irqreturn_t cx8800_irq(int irq, void *dev_id)
1664 {
1665         struct cx8800_dev *dev = dev_id;
1666         struct cx88_core *core = dev->core;
1667         u32 status;
1668         int loop, handled = 0;
1669
1670         for (loop = 0; loop < 10; loop++) {
1671                 status = cx_read(MO_PCI_INTSTAT) &
1672                         (core->pci_irqmask | PCI_INT_VIDINT);
1673                 if (0 == status)
1674                         goto out;
1675                 cx_write(MO_PCI_INTSTAT, status);
1676                 handled = 1;
1677
1678                 if (status & core->pci_irqmask)
1679                         cx88_core_irq(core,status);
1680                 if (status & PCI_INT_VIDINT)
1681                         cx8800_vid_irq(dev);
1682         };
1683         if (10 == loop) {
1684                 printk(KERN_WARNING "%s/0: irq loop -- clearing mask\n",
1685                        core->name);
1686                 cx_write(MO_PCI_INTMSK,0);
1687         }
1688
1689  out:
1690         return IRQ_RETVAL(handled);
1691 }
1692
1693 /* ----------------------------------------------------------- */
1694 /* exported stuff                                              */
1695
1696 static const struct v4l2_file_operations video_fops =
1697 {
1698         .owner         = THIS_MODULE,
1699         .open          = video_open,
1700         .release       = video_release,
1701         .read          = video_read,
1702         .poll          = video_poll,
1703         .mmap          = video_mmap,
1704         .ioctl         = video_ioctl2,
1705 };
1706
1707 static const struct v4l2_ioctl_ops video_ioctl_ops = {
1708         .vidioc_querycap      = vidioc_querycap,
1709         .vidioc_enum_fmt_vid_cap  = vidioc_enum_fmt_vid_cap,
1710         .vidioc_g_fmt_vid_cap     = vidioc_g_fmt_vid_cap,
1711         .vidioc_try_fmt_vid_cap   = vidioc_try_fmt_vid_cap,
1712         .vidioc_s_fmt_vid_cap     = vidioc_s_fmt_vid_cap,
1713         .vidioc_g_fmt_vbi_cap     = cx8800_vbi_fmt,
1714         .vidioc_try_fmt_vbi_cap   = cx8800_vbi_fmt,
1715         .vidioc_s_fmt_vbi_cap     = cx8800_vbi_fmt,
1716         .vidioc_reqbufs       = vidioc_reqbufs,
1717         .vidioc_querybuf      = vidioc_querybuf,
1718         .vidioc_qbuf          = vidioc_qbuf,
1719         .vidioc_dqbuf         = vidioc_dqbuf,
1720         .vidioc_s_std         = vidioc_s_std,
1721         .vidioc_enum_input    = vidioc_enum_input,
1722         .vidioc_g_input       = vidioc_g_input,
1723         .vidioc_s_input       = vidioc_s_input,
1724         .vidioc_queryctrl     = vidioc_queryctrl,
1725         .vidioc_g_ctrl        = vidioc_g_ctrl,
1726         .vidioc_s_ctrl        = vidioc_s_ctrl,
1727         .vidioc_streamon      = vidioc_streamon,
1728         .vidioc_streamoff     = vidioc_streamoff,
1729 #ifdef CONFIG_VIDEO_V4L1_COMPAT
1730         .vidiocgmbuf          = vidiocgmbuf,
1731 #endif
1732         .vidioc_g_tuner       = vidioc_g_tuner,
1733         .vidioc_s_tuner       = vidioc_s_tuner,
1734         .vidioc_g_frequency   = vidioc_g_frequency,
1735         .vidioc_s_frequency   = vidioc_s_frequency,
1736 #ifdef CONFIG_VIDEO_ADV_DEBUG
1737         .vidioc_g_register    = vidioc_g_register,
1738         .vidioc_s_register    = vidioc_s_register,
1739 #endif
1740 };
1741
1742 static struct video_device cx8800_vbi_template;
1743
1744 static struct video_device cx8800_video_template = {
1745         .name                 = "cx8800-video",
1746         .fops                 = &video_fops,
1747         .minor                = -1,
1748         .ioctl_ops            = &video_ioctl_ops,
1749         .tvnorms              = CX88_NORMS,
1750         .current_norm         = V4L2_STD_NTSC_M,
1751 };
1752
1753 static const struct v4l2_file_operations radio_fops =
1754 {
1755         .owner         = THIS_MODULE,
1756         .open          = video_open,
1757         .release       = video_release,
1758         .ioctl         = video_ioctl2,
1759 };
1760
1761 static const struct v4l2_ioctl_ops radio_ioctl_ops = {
1762         .vidioc_querycap      = radio_querycap,
1763         .vidioc_g_tuner       = radio_g_tuner,
1764         .vidioc_enum_input    = radio_enum_input,
1765         .vidioc_g_audio       = radio_g_audio,
1766         .vidioc_s_tuner       = radio_s_tuner,
1767         .vidioc_s_audio       = radio_s_audio,
1768         .vidioc_s_input       = radio_s_input,
1769         .vidioc_queryctrl     = radio_queryctrl,
1770         .vidioc_g_ctrl        = vidioc_g_ctrl,
1771         .vidioc_s_ctrl        = vidioc_s_ctrl,
1772         .vidioc_g_frequency   = vidioc_g_frequency,
1773         .vidioc_s_frequency   = vidioc_s_frequency,
1774 #ifdef CONFIG_VIDEO_ADV_DEBUG
1775         .vidioc_g_register    = vidioc_g_register,
1776         .vidioc_s_register    = vidioc_s_register,
1777 #endif
1778 };
1779
1780 static struct video_device cx8800_radio_template = {
1781         .name                 = "cx8800-radio",
1782         .fops                 = &radio_fops,
1783         .minor                = -1,
1784         .ioctl_ops            = &radio_ioctl_ops,
1785 };
1786
1787 /* ----------------------------------------------------------- */
1788
1789 static void cx8800_unregister_video(struct cx8800_dev *dev)
1790 {
1791         if (dev->radio_dev) {
1792                 if (-1 != dev->radio_dev->minor)
1793                         video_unregister_device(dev->radio_dev);
1794                 else
1795                         video_device_release(dev->radio_dev);
1796                 dev->radio_dev = NULL;
1797         }
1798         if (dev->vbi_dev) {
1799                 if (-1 != dev->vbi_dev->minor)
1800                         video_unregister_device(dev->vbi_dev);
1801                 else
1802                         video_device_release(dev->vbi_dev);
1803                 dev->vbi_dev = NULL;
1804         }
1805         if (dev->video_dev) {
1806                 if (-1 != dev->video_dev->minor)
1807                         video_unregister_device(dev->video_dev);
1808                 else
1809                         video_device_release(dev->video_dev);
1810                 dev->video_dev = NULL;
1811         }
1812 }
1813
1814 static int __devinit cx8800_initdev(struct pci_dev *pci_dev,
1815                                     const struct pci_device_id *pci_id)
1816 {
1817         struct cx8800_dev *dev;
1818         struct cx88_core *core;
1819
1820         int err;
1821
1822         dev = kzalloc(sizeof(*dev),GFP_KERNEL);
1823         if (NULL == dev)
1824                 return -ENOMEM;
1825
1826         /* pci init */
1827         dev->pci = pci_dev;
1828         if (pci_enable_device(pci_dev)) {
1829                 err = -EIO;
1830                 goto fail_free;
1831         }
1832         core = cx88_core_get(dev->pci);
1833         if (NULL == core) {
1834                 err = -EINVAL;
1835                 goto fail_free;
1836         }
1837         dev->core = core;
1838
1839         /* print pci info */
1840         pci_read_config_byte(pci_dev, PCI_CLASS_REVISION, &dev->pci_rev);
1841         pci_read_config_byte(pci_dev, PCI_LATENCY_TIMER,  &dev->pci_lat);
1842         printk(KERN_INFO "%s/0: found at %s, rev: %d, irq: %d, "
1843                "latency: %d, mmio: 0x%llx\n", core->name,
1844                pci_name(pci_dev), dev->pci_rev, pci_dev->irq,
1845                dev->pci_lat,(unsigned long long)pci_resource_start(pci_dev,0));
1846
1847         pci_set_master(pci_dev);
1848         if (!pci_dma_supported(pci_dev,DMA_32BIT_MASK)) {
1849                 printk("%s/0: Oops: no 32bit PCI DMA ???\n",core->name);
1850                 err = -EIO;
1851                 goto fail_core;
1852         }
1853
1854         /* Initialize VBI template */
1855         memcpy( &cx8800_vbi_template, &cx8800_video_template,
1856                 sizeof(cx8800_vbi_template) );
1857         strcpy(cx8800_vbi_template.name,"cx8800-vbi");
1858
1859         /* initialize driver struct */
1860         spin_lock_init(&dev->slock);
1861         core->tvnorm = cx8800_video_template.current_norm;
1862
1863         /* init video dma queues */
1864         INIT_LIST_HEAD(&dev->vidq.active);
1865         INIT_LIST_HEAD(&dev->vidq.queued);
1866         dev->vidq.timeout.function = cx8800_vid_timeout;
1867         dev->vidq.timeout.data     = (unsigned long)dev;
1868         init_timer(&dev->vidq.timeout);
1869         cx88_risc_stopper(dev->pci,&dev->vidq.stopper,
1870                           MO_VID_DMACNTRL,0x11,0x00);
1871
1872         /* init vbi dma queues */
1873         INIT_LIST_HEAD(&dev->vbiq.active);
1874         INIT_LIST_HEAD(&dev->vbiq.queued);
1875         dev->vbiq.timeout.function = cx8800_vbi_timeout;
1876         dev->vbiq.timeout.data     = (unsigned long)dev;
1877         init_timer(&dev->vbiq.timeout);
1878         cx88_risc_stopper(dev->pci,&dev->vbiq.stopper,
1879                           MO_VID_DMACNTRL,0x88,0x00);
1880
1881         /* get irq */
1882         err = request_irq(pci_dev->irq, cx8800_irq,
1883                           IRQF_SHARED | IRQF_DISABLED, core->name, dev);
1884         if (err < 0) {
1885                 printk(KERN_ERR "%s/0: can't get IRQ %d\n",
1886                        core->name,pci_dev->irq);
1887                 goto fail_core;
1888         }
1889         cx_set(MO_PCI_INTMSK, core->pci_irqmask);
1890
1891         /* load and configure helper modules */
1892
1893         if (core->board.audio_chip == V4L2_IDENT_WM8775)
1894                 request_module("wm8775");
1895
1896         switch (core->boardnr) {
1897         case CX88_BOARD_DVICO_FUSIONHDTV_5_GOLD:
1898         case CX88_BOARD_DVICO_FUSIONHDTV_7_GOLD:
1899                 request_module("rtc-isl1208");
1900                 /* break intentionally omitted */
1901         case CX88_BOARD_DVICO_FUSIONHDTV_5_PCI_NANO:
1902                 request_module("ir-kbd-i2c");
1903         }
1904
1905         /* register v4l devices */
1906         dev->video_dev = cx88_vdev_init(core,dev->pci,
1907                                         &cx8800_video_template,"video");
1908         err = video_register_device(dev->video_dev,VFL_TYPE_GRABBER,
1909                                     video_nr[core->nr]);
1910         if (err < 0) {
1911                 printk(KERN_ERR "%s/0: can't register video device\n",
1912                        core->name);
1913                 goto fail_unreg;
1914         }
1915         printk(KERN_INFO "%s/0: registered device video%d [v4l2]\n",
1916                core->name, dev->video_dev->num);
1917
1918         dev->vbi_dev = cx88_vdev_init(core,dev->pci,&cx8800_vbi_template,"vbi");
1919         err = video_register_device(dev->vbi_dev,VFL_TYPE_VBI,
1920                                     vbi_nr[core->nr]);
1921         if (err < 0) {
1922                 printk(KERN_ERR "%s/0: can't register vbi device\n",
1923                        core->name);
1924                 goto fail_unreg;
1925         }
1926         printk(KERN_INFO "%s/0: registered device vbi%d\n",
1927                core->name, dev->vbi_dev->num);
1928
1929         if (core->board.radio.type == CX88_RADIO) {
1930                 dev->radio_dev = cx88_vdev_init(core,dev->pci,
1931                                                 &cx8800_radio_template,"radio");
1932                 err = video_register_device(dev->radio_dev,VFL_TYPE_RADIO,
1933                                             radio_nr[core->nr]);
1934                 if (err < 0) {
1935                         printk(KERN_ERR "%s/0: can't register radio device\n",
1936                                core->name);
1937                         goto fail_unreg;
1938                 }
1939                 printk(KERN_INFO "%s/0: registered device radio%d\n",
1940                        core->name, dev->radio_dev->num);
1941         }
1942
1943         /* everything worked */
1944         list_add_tail(&dev->devlist,&cx8800_devlist);
1945         pci_set_drvdata(pci_dev,dev);
1946
1947         /* initial device configuration */
1948         mutex_lock(&core->lock);
1949         cx88_set_tvnorm(core,core->tvnorm);
1950         init_controls(core);
1951         cx88_video_mux(core,0);
1952         mutex_unlock(&core->lock);
1953
1954         /* start tvaudio thread */
1955         if (core->board.tuner_type != TUNER_ABSENT) {
1956                 core->kthread = kthread_run(cx88_audio_thread, core, "cx88 tvaudio");
1957                 if (IS_ERR(core->kthread)) {
1958                         err = PTR_ERR(core->kthread);
1959                         printk(KERN_ERR "%s/0: failed to create cx88 audio thread, err=%d\n",
1960                                core->name, err);
1961                 }
1962         }
1963         return 0;
1964
1965 fail_unreg:
1966         cx8800_unregister_video(dev);
1967         free_irq(pci_dev->irq, dev);
1968 fail_core:
1969         cx88_core_put(core,dev->pci);
1970 fail_free:
1971         kfree(dev);
1972         return err;
1973 }
1974
1975 static void __devexit cx8800_finidev(struct pci_dev *pci_dev)
1976 {
1977         struct cx8800_dev *dev = pci_get_drvdata(pci_dev);
1978         struct cx88_core *core = dev->core;
1979
1980         /* stop thread */
1981         if (core->kthread) {
1982                 kthread_stop(core->kthread);
1983                 core->kthread = NULL;
1984         }
1985
1986         if (core->ir)
1987                 cx88_ir_stop(core, core->ir);
1988
1989         cx88_shutdown(core); /* FIXME */
1990         pci_disable_device(pci_dev);
1991
1992         /* unregister stuff */
1993
1994         free_irq(pci_dev->irq, dev);
1995         cx8800_unregister_video(dev);
1996         pci_set_drvdata(pci_dev, NULL);
1997
1998         /* free memory */
1999         btcx_riscmem_free(dev->pci,&dev->vidq.stopper);
2000         list_del(&dev->devlist);
2001         cx88_core_put(core,dev->pci);
2002         kfree(dev);
2003 }
2004
2005 #ifdef CONFIG_PM
2006 static int cx8800_suspend(struct pci_dev *pci_dev, pm_message_t state)
2007 {
2008         struct cx8800_dev *dev = pci_get_drvdata(pci_dev);
2009         struct cx88_core *core = dev->core;
2010
2011         /* stop video+vbi capture */
2012         spin_lock(&dev->slock);
2013         if (!list_empty(&dev->vidq.active)) {
2014                 printk("%s/0: suspend video\n", core->name);
2015                 stop_video_dma(dev);
2016                 del_timer(&dev->vidq.timeout);
2017         }
2018         if (!list_empty(&dev->vbiq.active)) {
2019                 printk("%s/0: suspend vbi\n", core->name);
2020                 cx8800_stop_vbi_dma(dev);
2021                 del_timer(&dev->vbiq.timeout);
2022         }
2023         spin_unlock(&dev->slock);
2024
2025         if (core->ir)
2026                 cx88_ir_stop(core, core->ir);
2027         /* FIXME -- shutdown device */
2028         cx88_shutdown(core);
2029
2030         pci_save_state(pci_dev);
2031         if (0 != pci_set_power_state(pci_dev, pci_choose_state(pci_dev, state))) {
2032                 pci_disable_device(pci_dev);
2033                 dev->state.disabled = 1;
2034         }
2035         return 0;
2036 }
2037
2038 static int cx8800_resume(struct pci_dev *pci_dev)
2039 {
2040         struct cx8800_dev *dev = pci_get_drvdata(pci_dev);
2041         struct cx88_core *core = dev->core;
2042         int err;
2043
2044         if (dev->state.disabled) {
2045                 err=pci_enable_device(pci_dev);
2046                 if (err) {
2047                         printk(KERN_ERR "%s/0: can't enable device\n",
2048                                core->name);
2049                         return err;
2050                 }
2051
2052                 dev->state.disabled = 0;
2053         }
2054         err= pci_set_power_state(pci_dev, PCI_D0);
2055         if (err) {
2056                 printk(KERN_ERR "%s/0: can't set power state\n", core->name);
2057                 pci_disable_device(pci_dev);
2058                 dev->state.disabled = 1;
2059
2060                 return err;
2061         }
2062         pci_restore_state(pci_dev);
2063
2064         /* FIXME: re-initialize hardware */
2065         cx88_reset(core);
2066         if (core->ir)
2067                 cx88_ir_start(core, core->ir);
2068
2069         cx_set(MO_PCI_INTMSK, core->pci_irqmask);
2070
2071         /* restart video+vbi capture */
2072         spin_lock(&dev->slock);
2073         if (!list_empty(&dev->vidq.active)) {
2074                 printk("%s/0: resume video\n", core->name);
2075                 restart_video_queue(dev,&dev->vidq);
2076         }
2077         if (!list_empty(&dev->vbiq.active)) {
2078                 printk("%s/0: resume vbi\n", core->name);
2079                 cx8800_restart_vbi_queue(dev,&dev->vbiq);
2080         }
2081         spin_unlock(&dev->slock);
2082
2083         return 0;
2084 }
2085 #endif
2086
2087 /* ----------------------------------------------------------- */
2088
2089 static struct pci_device_id cx8800_pci_tbl[] = {
2090         {
2091                 .vendor       = 0x14f1,
2092                 .device       = 0x8800,
2093                 .subvendor    = PCI_ANY_ID,
2094                 .subdevice    = PCI_ANY_ID,
2095         },{
2096                 /* --- end of list --- */
2097         }
2098 };
2099 MODULE_DEVICE_TABLE(pci, cx8800_pci_tbl);
2100
2101 static struct pci_driver cx8800_pci_driver = {
2102         .name     = "cx8800",
2103         .id_table = cx8800_pci_tbl,
2104         .probe    = cx8800_initdev,
2105         .remove   = __devexit_p(cx8800_finidev),
2106 #ifdef CONFIG_PM
2107         .suspend  = cx8800_suspend,
2108         .resume   = cx8800_resume,
2109 #endif
2110 };
2111
2112 static int cx8800_init(void)
2113 {
2114         printk(KERN_INFO "cx88/0: cx2388x v4l2 driver version %d.%d.%d loaded\n",
2115                (CX88_VERSION_CODE >> 16) & 0xff,
2116                (CX88_VERSION_CODE >>  8) & 0xff,
2117                CX88_VERSION_CODE & 0xff);
2118 #ifdef SNAPSHOT
2119         printk(KERN_INFO "cx2388x: snapshot date %04d-%02d-%02d\n",
2120                SNAPSHOT/10000, (SNAPSHOT/100)%100, SNAPSHOT%100);
2121 #endif
2122         return pci_register_driver(&cx8800_pci_driver);
2123 }
2124
2125 static void cx8800_fini(void)
2126 {
2127         pci_unregister_driver(&cx8800_pci_driver);
2128 }
2129
2130 module_init(cx8800_init);
2131 module_exit(cx8800_fini);
2132
2133 /* ----------------------------------------------------------- */
2134 /*
2135  * Local variables:
2136  * c-basic-offset: 8
2137  * End:
2138  * 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
2139  */