Version:  2.0.40 2.2.26 2.4.37 3.2 3.3 3.4 3.5 3.6 3.7 3.8 3.9 3.10 3.11 3.12 3.13 3.14 3.15 3.16 3.17 3.18

Linux/drivers/media/pci/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 #include <media/v4l2-event.h>
 44 #include <media/wm8775.h>
 45 
 46 MODULE_DESCRIPTION("v4l2 driver module for cx2388x based TV cards");
 47 MODULE_AUTHOR("Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]");
 48 MODULE_LICENSE("GPL");
 49 MODULE_VERSION(CX88_VERSION);
 50 
 51 /* ------------------------------------------------------------------ */
 52 
 53 static unsigned int video_nr[] = {[0 ... (CX88_MAXBOARDS - 1)] = UNSET };
 54 static unsigned int vbi_nr[]   = {[0 ... (CX88_MAXBOARDS - 1)] = UNSET };
 55 static unsigned int radio_nr[] = {[0 ... (CX88_MAXBOARDS - 1)] = UNSET };
 56 
 57 module_param_array(video_nr, int, NULL, 0444);
 58 module_param_array(vbi_nr,   int, NULL, 0444);
 59 module_param_array(radio_nr, int, NULL, 0444);
 60 
 61 MODULE_PARM_DESC(video_nr,"video device numbers");
 62 MODULE_PARM_DESC(vbi_nr,"vbi device numbers");
 63 MODULE_PARM_DESC(radio_nr,"radio device numbers");
 64 
 65 static unsigned int video_debug;
 66 module_param(video_debug,int,0644);
 67 MODULE_PARM_DESC(video_debug,"enable debug messages [video]");
 68 
 69 static unsigned int irq_debug;
 70 module_param(irq_debug,int,0644);
 71 MODULE_PARM_DESC(irq_debug,"enable debug messages [IRQ handler]");
 72 
 73 static unsigned int vid_limit = 16;
 74 module_param(vid_limit,int,0644);
 75 MODULE_PARM_DESC(vid_limit,"capture memory limit in megabytes");
 76 
 77 #define dprintk(level,fmt, arg...)      if (video_debug >= level) \
 78         printk(KERN_DEBUG "%s/0: " fmt, core->name , ## arg)
 79 
 80 /* ------------------------------------------------------------------- */
 81 /* static data                                                         */
 82 
 83 static const struct cx8800_fmt formats[] = {
 84         {
 85                 .name     = "8 bpp, gray",
 86                 .fourcc   = V4L2_PIX_FMT_GREY,
 87                 .cxformat = ColorFormatY8,
 88                 .depth    = 8,
 89                 .flags    = FORMAT_FLAGS_PACKED,
 90         },{
 91                 .name     = "15 bpp RGB, le",
 92                 .fourcc   = V4L2_PIX_FMT_RGB555,
 93                 .cxformat = ColorFormatRGB15,
 94                 .depth    = 16,
 95                 .flags    = FORMAT_FLAGS_PACKED,
 96         },{
 97                 .name     = "15 bpp RGB, be",
 98                 .fourcc   = V4L2_PIX_FMT_RGB555X,
 99                 .cxformat = ColorFormatRGB15 | ColorFormatBSWAP,
100                 .depth    = 16,
101                 .flags    = FORMAT_FLAGS_PACKED,
102         },{
103                 .name     = "16 bpp RGB, le",
104                 .fourcc   = V4L2_PIX_FMT_RGB565,
105                 .cxformat = ColorFormatRGB16,
106                 .depth    = 16,
107                 .flags    = FORMAT_FLAGS_PACKED,
108         },{
109                 .name     = "16 bpp RGB, be",
110                 .fourcc   = V4L2_PIX_FMT_RGB565X,
111                 .cxformat = ColorFormatRGB16 | ColorFormatBSWAP,
112                 .depth    = 16,
113                 .flags    = FORMAT_FLAGS_PACKED,
114         },{
115                 .name     = "24 bpp RGB, le",
116                 .fourcc   = V4L2_PIX_FMT_BGR24,
117                 .cxformat = ColorFormatRGB24,
118                 .depth    = 24,
119                 .flags    = FORMAT_FLAGS_PACKED,
120         },{
121                 .name     = "32 bpp RGB, le",
122                 .fourcc   = V4L2_PIX_FMT_BGR32,
123                 .cxformat = ColorFormatRGB32,
124                 .depth    = 32,
125                 .flags    = FORMAT_FLAGS_PACKED,
126         },{
127                 .name     = "32 bpp RGB, be",
128                 .fourcc   = V4L2_PIX_FMT_RGB32,
129                 .cxformat = ColorFormatRGB32 | ColorFormatBSWAP | ColorFormatWSWAP,
130                 .depth    = 32,
131                 .flags    = FORMAT_FLAGS_PACKED,
132         },{
133                 .name     = "4:2:2, packed, YUYV",
134                 .fourcc   = V4L2_PIX_FMT_YUYV,
135                 .cxformat = ColorFormatYUY2,
136                 .depth    = 16,
137                 .flags    = FORMAT_FLAGS_PACKED,
138         },{
139                 .name     = "4:2:2, packed, UYVY",
140                 .fourcc   = V4L2_PIX_FMT_UYVY,
141                 .cxformat = ColorFormatYUY2 | ColorFormatBSWAP,
142                 .depth    = 16,
143                 .flags    = FORMAT_FLAGS_PACKED,
144         },
145 };
146 
147 static const struct cx8800_fmt* format_by_fourcc(unsigned int fourcc)
148 {
149         unsigned int i;
150 
151         for (i = 0; i < ARRAY_SIZE(formats); i++)
152                 if (formats[i].fourcc == fourcc)
153                         return formats+i;
154         return NULL;
155 }
156 
157 /* ------------------------------------------------------------------- */
158 
159 struct cx88_ctrl {
160         /* control information */
161         u32 id;
162         s32 minimum;
163         s32 maximum;
164         u32 step;
165         s32 default_value;
166 
167         /* control register information */
168         u32 off;
169         u32 reg;
170         u32 sreg;
171         u32 mask;
172         u32 shift;
173 };
174 
175 static const struct cx88_ctrl cx8800_vid_ctls[] = {
176         /* --- video --- */
177         {
178                 .id            = V4L2_CID_BRIGHTNESS,
179                 .minimum       = 0x00,
180                 .maximum       = 0xff,
181                 .step          = 1,
182                 .default_value = 0x7f,
183                 .off           = 128,
184                 .reg           = MO_CONTR_BRIGHT,
185                 .mask          = 0x00ff,
186                 .shift         = 0,
187         },{
188                 .id            = V4L2_CID_CONTRAST,
189                 .minimum       = 0,
190                 .maximum       = 0xff,
191                 .step          = 1,
192                 .default_value = 0x3f,
193                 .off           = 0,
194                 .reg           = MO_CONTR_BRIGHT,
195                 .mask          = 0xff00,
196                 .shift         = 8,
197         },{
198                 .id            = V4L2_CID_HUE,
199                 .minimum       = 0,
200                 .maximum       = 0xff,
201                 .step          = 1,
202                 .default_value = 0x7f,
203                 .off           = 128,
204                 .reg           = MO_HUE,
205                 .mask          = 0x00ff,
206                 .shift         = 0,
207         },{
208                 /* strictly, this only describes only U saturation.
209                  * V saturation is handled specially through code.
210                  */
211                 .id            = V4L2_CID_SATURATION,
212                 .minimum       = 0,
213                 .maximum       = 0xff,
214                 .step          = 1,
215                 .default_value = 0x7f,
216                 .off           = 0,
217                 .reg           = MO_UV_SATURATION,
218                 .mask          = 0x00ff,
219                 .shift         = 0,
220         }, {
221                 .id            = V4L2_CID_SHARPNESS,
222                 .minimum       = 0,
223                 .maximum       = 4,
224                 .step          = 1,
225                 .default_value = 0x0,
226                 .off           = 0,
227                 /* NOTE: the value is converted and written to both even
228                    and odd registers in the code */
229                 .reg           = MO_FILTER_ODD,
230                 .mask          = 7 << 7,
231                 .shift         = 7,
232         }, {
233                 .id            = V4L2_CID_CHROMA_AGC,
234                 .minimum       = 0,
235                 .maximum       = 1,
236                 .default_value = 0x1,
237                 .reg           = MO_INPUT_FORMAT,
238                 .mask          = 1 << 10,
239                 .shift         = 10,
240         }, {
241                 .id            = V4L2_CID_COLOR_KILLER,
242                 .minimum       = 0,
243                 .maximum       = 1,
244                 .default_value = 0x1,
245                 .reg           = MO_INPUT_FORMAT,
246                 .mask          = 1 << 9,
247                 .shift         = 9,
248         }, {
249                 .id            = V4L2_CID_BAND_STOP_FILTER,
250                 .minimum       = 0,
251                 .maximum       = 1,
252                 .step          = 1,
253                 .default_value = 0x0,
254                 .off           = 0,
255                 .reg           = MO_HTOTAL,
256                 .mask          = 3 << 11,
257                 .shift         = 11,
258         }
259 };
260 
261 static const struct cx88_ctrl cx8800_aud_ctls[] = {
262         {
263                 /* --- audio --- */
264                 .id            = V4L2_CID_AUDIO_MUTE,
265                 .minimum       = 0,
266                 .maximum       = 1,
267                 .default_value = 1,
268                 .reg           = AUD_VOL_CTL,
269                 .sreg          = SHADOW_AUD_VOL_CTL,
270                 .mask          = (1 << 6),
271                 .shift         = 6,
272         },{
273                 .id            = V4L2_CID_AUDIO_VOLUME,
274                 .minimum       = 0,
275                 .maximum       = 0x3f,
276                 .step          = 1,
277                 .default_value = 0x3f,
278                 .reg           = AUD_VOL_CTL,
279                 .sreg          = SHADOW_AUD_VOL_CTL,
280                 .mask          = 0x3f,
281                 .shift         = 0,
282         },{
283                 .id            = V4L2_CID_AUDIO_BALANCE,
284                 .minimum       = 0,
285                 .maximum       = 0x7f,
286                 .step          = 1,
287                 .default_value = 0x40,
288                 .reg           = AUD_BAL_CTL,
289                 .sreg          = SHADOW_AUD_BAL_CTL,
290                 .mask          = 0x7f,
291                 .shift         = 0,
292         }
293 };
294 
295 enum {
296         CX8800_VID_CTLS = ARRAY_SIZE(cx8800_vid_ctls),
297         CX8800_AUD_CTLS = ARRAY_SIZE(cx8800_aud_ctls),
298 };
299 
300 /* ------------------------------------------------------------------- */
301 /* resource management                                                 */
302 
303 static int res_get(struct cx8800_dev *dev, struct cx8800_fh *fh, unsigned int bit)
304 {
305         struct cx88_core *core = dev->core;
306         if (fh->resources & bit)
307                 /* have it already allocated */
308                 return 1;
309 
310         /* is it free? */
311         mutex_lock(&core->lock);
312         if (dev->resources & bit) {
313                 /* no, someone else uses it */
314                 mutex_unlock(&core->lock);
315                 return 0;
316         }
317         /* it's free, grab it */
318         fh->resources  |= bit;
319         dev->resources |= bit;
320         dprintk(1,"res: get %d\n",bit);
321         mutex_unlock(&core->lock);
322         return 1;
323 }
324 
325 static
326 int res_check(struct cx8800_fh *fh, unsigned int bit)
327 {
328         return (fh->resources & bit);
329 }
330 
331 static
332 int res_locked(struct cx8800_dev *dev, unsigned int bit)
333 {
334         return (dev->resources & bit);
335 }
336 
337 static
338 void res_free(struct cx8800_dev *dev, struct cx8800_fh *fh, unsigned int bits)
339 {
340         struct cx88_core *core = dev->core;
341         BUG_ON((fh->resources & bits) != bits);
342 
343         mutex_lock(&core->lock);
344         fh->resources  &= ~bits;
345         dev->resources &= ~bits;
346         dprintk(1,"res: put %d\n",bits);
347         mutex_unlock(&core->lock);
348 }
349 
350 /* ------------------------------------------------------------------ */
351 
352 int cx88_video_mux(struct cx88_core *core, unsigned int input)
353 {
354         /* struct cx88_core *core = dev->core; */
355 
356         dprintk(1,"video_mux: %d [vmux=%d,gpio=0x%x,0x%x,0x%x,0x%x]\n",
357                 input, INPUT(input).vmux,
358                 INPUT(input).gpio0,INPUT(input).gpio1,
359                 INPUT(input).gpio2,INPUT(input).gpio3);
360         core->input = input;
361         cx_andor(MO_INPUT_FORMAT, 0x03 << 14, INPUT(input).vmux << 14);
362         cx_write(MO_GP3_IO, INPUT(input).gpio3);
363         cx_write(MO_GP0_IO, INPUT(input).gpio0);
364         cx_write(MO_GP1_IO, INPUT(input).gpio1);
365         cx_write(MO_GP2_IO, INPUT(input).gpio2);
366 
367         switch (INPUT(input).type) {
368         case CX88_VMUX_SVIDEO:
369                 cx_set(MO_AFECFG_IO,    0x00000001);
370                 cx_set(MO_INPUT_FORMAT, 0x00010010);
371                 cx_set(MO_FILTER_EVEN,  0x00002020);
372                 cx_set(MO_FILTER_ODD,   0x00002020);
373                 break;
374         default:
375                 cx_clear(MO_AFECFG_IO,    0x00000001);
376                 cx_clear(MO_INPUT_FORMAT, 0x00010010);
377                 cx_clear(MO_FILTER_EVEN,  0x00002020);
378                 cx_clear(MO_FILTER_ODD,   0x00002020);
379                 break;
380         }
381 
382         /* if there are audioroutes defined, we have an external
383            ADC to deal with audio */
384         if (INPUT(input).audioroute) {
385                 /* The wm8775 module has the "2" route hardwired into
386                    the initialization. Some boards may use different
387                    routes for different inputs. HVR-1300 surely does */
388                 if (core->sd_wm8775) {
389                         call_all(core, audio, s_routing,
390                                  INPUT(input).audioroute, 0, 0);
391                 }
392                 /* cx2388's C-ADC is connected to the tuner only.
393                    When used with S-Video, that ADC is busy dealing with
394                    chroma, so an external must be used for baseband audio */
395                 if (INPUT(input).type != CX88_VMUX_TELEVISION &&
396                     INPUT(input).type != CX88_VMUX_CABLE) {
397                         /* "I2S ADC mode" */
398                         core->tvaudio = WW_I2SADC;
399                         cx88_set_tvaudio(core);
400                 } else {
401                         /* Normal mode */
402                         cx_write(AUD_I2SCNTL, 0x0);
403                         cx_clear(AUD_CTL, EN_I2SIN_ENABLE);
404                 }
405         }
406 
407         return 0;
408 }
409 EXPORT_SYMBOL(cx88_video_mux);
410 
411 /* ------------------------------------------------------------------ */
412 
413 static int start_video_dma(struct cx8800_dev    *dev,
414                            struct cx88_dmaqueue *q,
415                            struct cx88_buffer   *buf)
416 {
417         struct cx88_core *core = dev->core;
418 
419         /* setup fifo + format */
420         cx88_sram_channel_setup(core, &cx88_sram_channels[SRAM_CH21],
421                                 buf->bpl, buf->risc.dma);
422         cx88_set_scale(core, buf->vb.width, buf->vb.height, buf->vb.field);
423         cx_write(MO_COLOR_CTRL, buf->fmt->cxformat | ColorFormatGamma);
424 
425         /* reset counter */
426         cx_write(MO_VIDY_GPCNTRL,GP_COUNT_CONTROL_RESET);
427         q->count = 1;
428 
429         /* enable irqs */
430         cx_set(MO_PCI_INTMSK, core->pci_irqmask | PCI_INT_VIDINT);
431 
432         /* Enables corresponding bits at PCI_INT_STAT:
433                 bits 0 to 4: video, audio, transport stream, VIP, Host
434                 bit 7: timer
435                 bits 8 and 9: DMA complete for: SRC, DST
436                 bits 10 and 11: BERR signal asserted for RISC: RD, WR
437                 bits 12 to 15: BERR signal asserted for: BRDG, SRC, DST, IPB
438          */
439         cx_set(MO_VID_INTMSK, 0x0f0011);
440 
441         /* enable capture */
442         cx_set(VID_CAPTURE_CONTROL,0x06);
443 
444         /* start dma */
445         cx_set(MO_DEV_CNTRL2, (1<<5));
446         cx_set(MO_VID_DMACNTRL, 0x11); /* Planar Y and packed FIFO and RISC enable */
447 
448         return 0;
449 }
450 
451 #ifdef CONFIG_PM
452 static int stop_video_dma(struct cx8800_dev    *dev)
453 {
454         struct cx88_core *core = dev->core;
455 
456         /* stop dma */
457         cx_clear(MO_VID_DMACNTRL, 0x11);
458 
459         /* disable capture */
460         cx_clear(VID_CAPTURE_CONTROL,0x06);
461 
462         /* disable irqs */
463         cx_clear(MO_PCI_INTMSK, PCI_INT_VIDINT);
464         cx_clear(MO_VID_INTMSK, 0x0f0011);
465         return 0;
466 }
467 #endif
468 
469 static int restart_video_queue(struct cx8800_dev    *dev,
470                                struct cx88_dmaqueue *q)
471 {
472         struct cx88_core *core = dev->core;
473         struct cx88_buffer *buf, *prev;
474 
475         if (!list_empty(&q->active)) {
476                 buf = list_entry(q->active.next, struct cx88_buffer, vb.queue);
477                 dprintk(2,"restart_queue [%p/%d]: restart dma\n",
478                         buf, buf->vb.i);
479                 start_video_dma(dev, q, buf);
480                 list_for_each_entry(buf, &q->active, vb.queue)
481                         buf->count = q->count++;
482                 mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT);
483                 return 0;
484         }
485 
486         prev = NULL;
487         for (;;) {
488                 if (list_empty(&q->queued))
489                         return 0;
490                 buf = list_entry(q->queued.next, struct cx88_buffer, vb.queue);
491                 if (NULL == prev) {
492                         list_move_tail(&buf->vb.queue, &q->active);
493                         start_video_dma(dev, q, buf);
494                         buf->vb.state = VIDEOBUF_ACTIVE;
495                         buf->count    = q->count++;
496                         mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT);
497                         dprintk(2,"[%p/%d] restart_queue - first active\n",
498                                 buf,buf->vb.i);
499 
500                 } else if (prev->vb.width  == buf->vb.width  &&
501                            prev->vb.height == buf->vb.height &&
502                            prev->fmt       == buf->fmt) {
503                         list_move_tail(&buf->vb.queue, &q->active);
504                         buf->vb.state = VIDEOBUF_ACTIVE;
505                         buf->count    = q->count++;
506                         prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma);
507                         dprintk(2,"[%p/%d] restart_queue - move to active\n",
508                                 buf,buf->vb.i);
509                 } else {
510                         return 0;
511                 }
512                 prev = buf;
513         }
514 }
515 
516 /* ------------------------------------------------------------------ */
517 
518 static int
519 buffer_setup(struct videobuf_queue *q, unsigned int *count, unsigned int *size)
520 {
521         struct cx8800_fh *fh = q->priv_data;
522         struct cx8800_dev  *dev = fh->dev;
523 
524         *size = dev->fmt->depth * dev->width * dev->height >> 3;
525         if (0 == *count)
526                 *count = 32;
527         if (*size * *count > vid_limit * 1024 * 1024)
528                 *count = (vid_limit * 1024 * 1024) / *size;
529         return 0;
530 }
531 
532 static int
533 buffer_prepare(struct videobuf_queue *q, struct videobuf_buffer *vb,
534                enum v4l2_field field)
535 {
536         struct cx8800_fh   *fh  = q->priv_data;
537         struct cx8800_dev  *dev = fh->dev;
538         struct cx88_core *core = dev->core;
539         struct cx88_buffer *buf = container_of(vb,struct cx88_buffer,vb);
540         struct videobuf_dmabuf *dma=videobuf_to_dma(&buf->vb);
541         int rc, init_buffer = 0;
542 
543         BUG_ON(NULL == dev->fmt);
544         if (dev->width  < 48 || dev->width  > norm_maxw(core->tvnorm) ||
545             dev->height < 32 || dev->height > norm_maxh(core->tvnorm))
546                 return -EINVAL;
547         buf->vb.size = (dev->width * dev->height * dev->fmt->depth) >> 3;
548         if (0 != buf->vb.baddr  &&  buf->vb.bsize < buf->vb.size)
549                 return -EINVAL;
550 
551         if (buf->fmt       != dev->fmt    ||
552             buf->vb.width  != dev->width  ||
553             buf->vb.height != dev->height ||
554             buf->vb.field  != field) {
555                 buf->fmt       = dev->fmt;
556                 buf->vb.width  = dev->width;
557                 buf->vb.height = dev->height;
558                 buf->vb.field  = field;
559                 init_buffer = 1;
560         }
561 
562         if (VIDEOBUF_NEEDS_INIT == buf->vb.state) {
563                 init_buffer = 1;
564                 if (0 != (rc = videobuf_iolock(q,&buf->vb,NULL)))
565                         goto fail;
566         }
567 
568         if (init_buffer) {
569                 buf->bpl = buf->vb.width * buf->fmt->depth >> 3;
570                 switch (buf->vb.field) {
571                 case V4L2_FIELD_TOP:
572                         cx88_risc_buffer(dev->pci, &buf->risc,
573                                          dma->sglist, 0, UNSET,
574                                          buf->bpl, 0, buf->vb.height);
575                         break;
576                 case V4L2_FIELD_BOTTOM:
577                         cx88_risc_buffer(dev->pci, &buf->risc,
578                                          dma->sglist, UNSET, 0,
579                                          buf->bpl, 0, buf->vb.height);
580                         break;
581                 case V4L2_FIELD_INTERLACED:
582                         cx88_risc_buffer(dev->pci, &buf->risc,
583                                          dma->sglist, 0, buf->bpl,
584                                          buf->bpl, buf->bpl,
585                                          buf->vb.height >> 1);
586                         break;
587                 case V4L2_FIELD_SEQ_TB:
588                         cx88_risc_buffer(dev->pci, &buf->risc,
589                                          dma->sglist,
590                                          0, buf->bpl * (buf->vb.height >> 1),
591                                          buf->bpl, 0,
592                                          buf->vb.height >> 1);
593                         break;
594                 case V4L2_FIELD_SEQ_BT:
595                         cx88_risc_buffer(dev->pci, &buf->risc,
596                                          dma->sglist,
597                                          buf->bpl * (buf->vb.height >> 1), 0,
598                                          buf->bpl, 0,
599                                          buf->vb.height >> 1);
600                         break;
601                 default:
602                         BUG();
603                 }
604         }
605         dprintk(2,"[%p/%d] buffer_prepare - %dx%d %dbpp \"%s\" - dma=0x%08lx\n",
606                 buf, buf->vb.i,
607                 dev->width, dev->height, dev->fmt->depth, dev->fmt->name,
608                 (unsigned long)buf->risc.dma);
609 
610         buf->vb.state = VIDEOBUF_PREPARED;
611         return 0;
612 
613  fail:
614         cx88_free_buffer(q,buf);
615         return rc;
616 }
617 
618 static void
619 buffer_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb)
620 {
621         struct cx88_buffer    *buf = container_of(vb,struct cx88_buffer,vb);
622         struct cx88_buffer    *prev;
623         struct cx8800_fh      *fh   = vq->priv_data;
624         struct cx8800_dev     *dev  = fh->dev;
625         struct cx88_core      *core = dev->core;
626         struct cx88_dmaqueue  *q    = &dev->vidq;
627 
628         /* add jump to stopper */
629         buf->risc.jmp[0] = cpu_to_le32(RISC_JUMP | RISC_IRQ1 | RISC_CNT_INC);
630         buf->risc.jmp[1] = cpu_to_le32(q->stopper.dma);
631 
632         if (!list_empty(&q->queued)) {
633                 list_add_tail(&buf->vb.queue,&q->queued);
634                 buf->vb.state = VIDEOBUF_QUEUED;
635                 dprintk(2,"[%p/%d] buffer_queue - append to queued\n",
636                         buf, buf->vb.i);
637 
638         } else if (list_empty(&q->active)) {
639                 list_add_tail(&buf->vb.queue,&q->active);
640                 start_video_dma(dev, q, buf);
641                 buf->vb.state = VIDEOBUF_ACTIVE;
642                 buf->count    = q->count++;
643                 mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT);
644                 dprintk(2,"[%p/%d] buffer_queue - first active\n",
645                         buf, buf->vb.i);
646 
647         } else {
648                 prev = list_entry(q->active.prev, struct cx88_buffer, vb.queue);
649                 if (prev->vb.width  == buf->vb.width  &&
650                     prev->vb.height == buf->vb.height &&
651                     prev->fmt       == buf->fmt) {
652                         list_add_tail(&buf->vb.queue,&q->active);
653                         buf->vb.state = VIDEOBUF_ACTIVE;
654                         buf->count    = q->count++;
655                         prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma);
656                         dprintk(2,"[%p/%d] buffer_queue - append to active\n",
657                                 buf, buf->vb.i);
658 
659                 } else {
660                         list_add_tail(&buf->vb.queue,&q->queued);
661                         buf->vb.state = VIDEOBUF_QUEUED;
662                         dprintk(2,"[%p/%d] buffer_queue - first queued\n",
663                                 buf, buf->vb.i);
664                 }
665         }
666 }
667 
668 static void buffer_release(struct videobuf_queue *q, struct videobuf_buffer *vb)
669 {
670         struct cx88_buffer *buf = container_of(vb,struct cx88_buffer,vb);
671 
672         cx88_free_buffer(q,buf);
673 }
674 
675 static const struct videobuf_queue_ops cx8800_video_qops = {
676         .buf_setup    = buffer_setup,
677         .buf_prepare  = buffer_prepare,
678         .buf_queue    = buffer_queue,
679         .buf_release  = buffer_release,
680 };
681 
682 /* ------------------------------------------------------------------ */
683 
684 
685 /* ------------------------------------------------------------------ */
686 
687 static struct videobuf_queue *get_queue(struct file *file)
688 {
689         struct video_device *vdev = video_devdata(file);
690         struct cx8800_fh *fh = file->private_data;
691 
692         switch (vdev->vfl_type) {
693         case VFL_TYPE_GRABBER:
694                 return &fh->vidq;
695         case VFL_TYPE_VBI:
696                 return &fh->vbiq;
697         default:
698                 BUG();
699         }
700 }
701 
702 static int get_resource(struct file *file)
703 {
704         struct video_device *vdev = video_devdata(file);
705 
706         switch (vdev->vfl_type) {
707         case VFL_TYPE_GRABBER:
708                 return RESOURCE_VIDEO;
709         case VFL_TYPE_VBI:
710                 return RESOURCE_VBI;
711         default:
712                 BUG();
713         }
714 }
715 
716 static int video_open(struct file *file)
717 {
718         struct video_device *vdev = video_devdata(file);
719         struct cx8800_dev *dev = video_drvdata(file);
720         struct cx88_core *core = dev->core;
721         struct cx8800_fh *fh;
722         enum v4l2_buf_type type = 0;
723         int radio = 0;
724 
725         switch (vdev->vfl_type) {
726         case VFL_TYPE_GRABBER:
727                 type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
728                 break;
729         case VFL_TYPE_VBI:
730                 type = V4L2_BUF_TYPE_VBI_CAPTURE;
731                 break;
732         case VFL_TYPE_RADIO:
733                 radio = 1;
734                 break;
735         }
736 
737         dprintk(1, "open dev=%s radio=%d type=%s\n",
738                 video_device_node_name(vdev), radio, v4l2_type_names[type]);
739 
740         /* allocate + initialize per filehandle data */
741         fh = kzalloc(sizeof(*fh),GFP_KERNEL);
742         if (unlikely(!fh))
743                 return -ENOMEM;
744 
745         v4l2_fh_init(&fh->fh, vdev);
746         file->private_data = fh;
747         fh->dev      = dev;
748 
749         mutex_lock(&core->lock);
750 
751         videobuf_queue_sg_init(&fh->vidq, &cx8800_video_qops,
752                             &dev->pci->dev, &dev->slock,
753                             V4L2_BUF_TYPE_VIDEO_CAPTURE,
754                             V4L2_FIELD_INTERLACED,
755                             sizeof(struct cx88_buffer),
756                             fh, NULL);
757         videobuf_queue_sg_init(&fh->vbiq, &cx8800_vbi_qops,
758                             &dev->pci->dev, &dev->slock,
759                             V4L2_BUF_TYPE_VBI_CAPTURE,
760                             V4L2_FIELD_SEQ_TB,
761                             sizeof(struct cx88_buffer),
762                             fh, NULL);
763 
764         if (vdev->vfl_type == VFL_TYPE_RADIO) {
765                 dprintk(1,"video_open: setting radio device\n");
766                 cx_write(MO_GP3_IO, core->board.radio.gpio3);
767                 cx_write(MO_GP0_IO, core->board.radio.gpio0);
768                 cx_write(MO_GP1_IO, core->board.radio.gpio1);
769                 cx_write(MO_GP2_IO, core->board.radio.gpio2);
770                 if (core->board.radio.audioroute) {
771                         if (core->sd_wm8775) {
772                                 call_all(core, audio, s_routing,
773                                         core->board.radio.audioroute, 0, 0);
774                         }
775                         /* "I2S ADC mode" */
776                         core->tvaudio = WW_I2SADC;
777                         cx88_set_tvaudio(core);
778                 } else {
779                         /* FM Mode */
780                         core->tvaudio = WW_FM;
781                         cx88_set_tvaudio(core);
782                         cx88_set_stereo(core,V4L2_TUNER_MODE_STEREO,1);
783                 }
784                 call_all(core, tuner, s_radio);
785         }
786 
787         core->users++;
788         mutex_unlock(&core->lock);
789         v4l2_fh_add(&fh->fh);
790 
791         return 0;
792 }
793 
794 static ssize_t
795 video_read(struct file *file, char __user *data, size_t count, loff_t *ppos)
796 {
797         struct video_device *vdev = video_devdata(file);
798         struct cx8800_fh *fh = file->private_data;
799 
800         switch (vdev->vfl_type) {
801         case VFL_TYPE_GRABBER:
802                 if (res_locked(fh->dev,RESOURCE_VIDEO))
803                         return -EBUSY;
804                 return videobuf_read_one(&fh->vidq, data, count, ppos,
805                                          file->f_flags & O_NONBLOCK);
806         case VFL_TYPE_VBI:
807                 if (!res_get(fh->dev,fh,RESOURCE_VBI))
808                         return -EBUSY;
809                 return videobuf_read_stream(&fh->vbiq, data, count, ppos, 1,
810                                             file->f_flags & O_NONBLOCK);
811         default:
812                 BUG();
813         }
814 }
815 
816 static unsigned int
817 video_poll(struct file *file, struct poll_table_struct *wait)
818 {
819         struct video_device *vdev = video_devdata(file);
820         struct cx8800_fh *fh = file->private_data;
821         struct cx88_buffer *buf;
822         unsigned int rc = v4l2_ctrl_poll(file, wait);
823 
824         if (vdev->vfl_type == VFL_TYPE_VBI) {
825                 if (!res_get(fh->dev,fh,RESOURCE_VBI))
826                         return rc | POLLERR;
827                 return rc | videobuf_poll_stream(file, &fh->vbiq, wait);
828         }
829         mutex_lock(&fh->vidq.vb_lock);
830         if (res_check(fh,RESOURCE_VIDEO)) {
831                 /* streaming capture */
832                 if (list_empty(&fh->vidq.stream))
833                         goto done;
834                 buf = list_entry(fh->vidq.stream.next,struct cx88_buffer,vb.stream);
835         } else {
836                 /* read() capture */
837                 buf = (struct cx88_buffer*)fh->vidq.read_buf;
838                 if (NULL == buf)
839                         goto done;
840         }
841         poll_wait(file, &buf->vb.done, wait);
842         if (buf->vb.state == VIDEOBUF_DONE ||
843             buf->vb.state == VIDEOBUF_ERROR)
844                 rc |= POLLIN|POLLRDNORM;
845 done:
846         mutex_unlock(&fh->vidq.vb_lock);
847         return rc;
848 }
849 
850 static int video_release(struct file *file)
851 {
852         struct cx8800_fh  *fh  = file->private_data;
853         struct cx8800_dev *dev = fh->dev;
854 
855         /* turn off overlay */
856         if (res_check(fh, RESOURCE_OVERLAY)) {
857                 /* FIXME */
858                 res_free(dev,fh,RESOURCE_OVERLAY);
859         }
860 
861         /* stop video capture */
862         if (res_check(fh, RESOURCE_VIDEO)) {
863                 videobuf_queue_cancel(&fh->vidq);
864                 res_free(dev,fh,RESOURCE_VIDEO);
865         }
866         if (fh->vidq.read_buf) {
867                 buffer_release(&fh->vidq,fh->vidq.read_buf);
868                 kfree(fh->vidq.read_buf);
869         }
870 
871         /* stop vbi capture */
872         if (res_check(fh, RESOURCE_VBI)) {
873                 videobuf_stop(&fh->vbiq);
874                 res_free(dev,fh,RESOURCE_VBI);
875         }
876 
877         videobuf_mmap_free(&fh->vidq);
878         videobuf_mmap_free(&fh->vbiq);
879 
880         mutex_lock(&dev->core->lock);
881         v4l2_fh_del(&fh->fh);
882         v4l2_fh_exit(&fh->fh);
883         file->private_data = NULL;
884         kfree(fh);
885 
886         dev->core->users--;
887         if (!dev->core->users)
888                 call_all(dev->core, core, s_power, 0);
889         mutex_unlock(&dev->core->lock);
890 
891         return 0;
892 }
893 
894 static int
895 video_mmap(struct file *file, struct vm_area_struct * vma)
896 {
897         return videobuf_mmap_mapper(get_queue(file), vma);
898 }
899 
900 /* ------------------------------------------------------------------ */
901 /* VIDEO CTRL IOCTLS                                                  */
902 
903 static int cx8800_s_vid_ctrl(struct v4l2_ctrl *ctrl)
904 {
905         struct cx88_core *core =
906                 container_of(ctrl->handler, struct cx88_core, video_hdl);
907         const struct cx88_ctrl *cc = ctrl->priv;
908         u32 value, mask;
909 
910         mask = cc->mask;
911         switch (ctrl->id) {
912         case V4L2_CID_SATURATION:
913                 /* special v_sat handling */
914 
915                 value = ((ctrl->val - cc->off) << cc->shift) & cc->mask;
916 
917                 if (core->tvnorm & V4L2_STD_SECAM) {
918                         /* For SECAM, both U and V sat should be equal */
919                         value = value << 8 | value;
920                 } else {
921                         /* Keeps U Saturation proportional to V Sat */
922                         value = (value * 0x5a) / 0x7f << 8 | value;
923                 }
924                 mask = 0xffff;
925                 break;
926         case V4L2_CID_SHARPNESS:
927                 /* 0b000, 0b100, 0b101, 0b110, or 0b111 */
928                 value = (ctrl->val < 1 ? 0 : ((ctrl->val + 3) << 7));
929                 /* needs to be set for both fields */
930                 cx_andor(MO_FILTER_EVEN, mask, value);
931                 break;
932         case V4L2_CID_CHROMA_AGC:
933                 value = ((ctrl->val - cc->off) << cc->shift) & cc->mask;
934                 break;
935         default:
936                 value = ((ctrl->val - cc->off) << cc->shift) & cc->mask;
937                 break;
938         }
939         dprintk(1, "set_control id=0x%X(%s) ctrl=0x%02x, reg=0x%02x val=0x%02x (mask 0x%02x)%s\n",
940                                 ctrl->id, ctrl->name, ctrl->val, cc->reg, value,
941                                 mask, cc->sreg ? " [shadowed]" : "");
942         if (cc->sreg)
943                 cx_sandor(cc->sreg, cc->reg, mask, value);
944         else
945                 cx_andor(cc->reg, mask, value);
946         return 0;
947 }
948 
949 static int cx8800_s_aud_ctrl(struct v4l2_ctrl *ctrl)
950 {
951         struct cx88_core *core =
952                 container_of(ctrl->handler, struct cx88_core, audio_hdl);
953         const struct cx88_ctrl *cc = ctrl->priv;
954         u32 value,mask;
955 
956         /* Pass changes onto any WM8775 */
957         if (core->sd_wm8775) {
958                 switch (ctrl->id) {
959                 case V4L2_CID_AUDIO_MUTE:
960                         wm8775_s_ctrl(core, ctrl->id, ctrl->val);
961                         break;
962                 case V4L2_CID_AUDIO_VOLUME:
963                         wm8775_s_ctrl(core, ctrl->id, (ctrl->val) ?
964                                                 (0x90 + ctrl->val) << 8 : 0);
965                         break;
966                 case V4L2_CID_AUDIO_BALANCE:
967                         wm8775_s_ctrl(core, ctrl->id, ctrl->val << 9);
968                         break;
969                 default:
970                         break;
971                 }
972         }
973 
974         mask = cc->mask;
975         switch (ctrl->id) {
976         case V4L2_CID_AUDIO_BALANCE:
977                 value = (ctrl->val < 0x40) ? (0x7f - ctrl->val) : (ctrl->val - 0x40);
978                 break;
979         case V4L2_CID_AUDIO_VOLUME:
980                 value = 0x3f - (ctrl->val & 0x3f);
981                 break;
982         default:
983                 value = ((ctrl->val - cc->off) << cc->shift) & cc->mask;
984                 break;
985         }
986         dprintk(1,"set_control id=0x%X(%s) ctrl=0x%02x, reg=0x%02x val=0x%02x (mask 0x%02x)%s\n",
987                                 ctrl->id, ctrl->name, ctrl->val, cc->reg, value,
988                                 mask, cc->sreg ? " [shadowed]" : "");
989         if (cc->sreg)
990                 cx_sandor(cc->sreg, cc->reg, mask, value);
991         else
992                 cx_andor(cc->reg, mask, value);
993         return 0;
994 }
995 
996 /* ------------------------------------------------------------------ */
997 /* VIDEO IOCTLS                                                       */
998 
999 static int vidioc_g_fmt_vid_cap(struct file *file, void *priv,
1000                                         struct v4l2_format *f)
1001 {
1002         struct cx8800_fh  *fh   = priv;
1003         struct cx8800_dev *dev = fh->dev;
1004 
1005         f->fmt.pix.width        = dev->width;
1006         f->fmt.pix.height       = dev->height;
1007         f->fmt.pix.field        = fh->vidq.field;
1008         f->fmt.pix.pixelformat  = dev->fmt->fourcc;
1009         f->fmt.pix.bytesperline =
1010                 (f->fmt.pix.width * dev->fmt->depth) >> 3;
1011         f->fmt.pix.sizeimage =
1012                 f->fmt.pix.height * f->fmt.pix.bytesperline;
1013         f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M;
1014         return 0;
1015 }
1016 
1017 static int vidioc_try_fmt_vid_cap(struct file *file, void *priv,
1018                         struct v4l2_format *f)
1019 {
1020         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1021         const struct cx8800_fmt *fmt;
1022         enum v4l2_field   field;
1023         unsigned int      maxw, maxh;
1024 
1025         fmt = format_by_fourcc(f->fmt.pix.pixelformat);
1026         if (NULL == fmt)
1027                 return -EINVAL;
1028 
1029         field = f->fmt.pix.field;
1030         maxw  = norm_maxw(core->tvnorm);
1031         maxh  = norm_maxh(core->tvnorm);
1032 
1033         if (V4L2_FIELD_ANY == field) {
1034                 field = (f->fmt.pix.height > maxh/2)
1035                         ? V4L2_FIELD_INTERLACED
1036                         : V4L2_FIELD_BOTTOM;
1037         }
1038 
1039         switch (field) {
1040         case V4L2_FIELD_TOP:
1041         case V4L2_FIELD_BOTTOM:
1042                 maxh = maxh / 2;
1043                 break;
1044         case V4L2_FIELD_INTERLACED:
1045                 break;
1046         default:
1047                 return -EINVAL;
1048         }
1049 
1050         f->fmt.pix.field = field;
1051         v4l_bound_align_image(&f->fmt.pix.width, 48, maxw, 2,
1052                               &f->fmt.pix.height, 32, maxh, 0, 0);
1053         f->fmt.pix.bytesperline =
1054                 (f->fmt.pix.width * fmt->depth) >> 3;
1055         f->fmt.pix.sizeimage =
1056                 f->fmt.pix.height * f->fmt.pix.bytesperline;
1057 
1058         return 0;
1059 }
1060 
1061 static int vidioc_s_fmt_vid_cap(struct file *file, void *priv,
1062                                         struct v4l2_format *f)
1063 {
1064         struct cx8800_fh  *fh   = priv;
1065         struct cx8800_dev *dev = fh->dev;
1066         int err = vidioc_try_fmt_vid_cap (file,priv,f);
1067 
1068         if (0 != err)
1069                 return err;
1070         dev->fmt        = format_by_fourcc(f->fmt.pix.pixelformat);
1071         dev->width      = f->fmt.pix.width;
1072         dev->height     = f->fmt.pix.height;
1073         fh->vidq.field = f->fmt.pix.field;
1074         return 0;
1075 }
1076 
1077 void cx88_querycap(struct file *file, struct cx88_core *core,
1078                 struct v4l2_capability *cap)
1079 {
1080         struct video_device *vdev = video_devdata(file);
1081 
1082         strlcpy(cap->card, core->board.name, sizeof(cap->card));
1083         cap->device_caps = V4L2_CAP_READWRITE | V4L2_CAP_STREAMING;
1084         if (UNSET != core->board.tuner_type)
1085                 cap->device_caps |= V4L2_CAP_TUNER;
1086         switch (vdev->vfl_type) {
1087         case VFL_TYPE_RADIO:
1088                 cap->device_caps = V4L2_CAP_RADIO | V4L2_CAP_TUNER;
1089                 break;
1090         case VFL_TYPE_GRABBER:
1091                 cap->device_caps |= V4L2_CAP_VIDEO_CAPTURE;
1092                 break;
1093         case VFL_TYPE_VBI:
1094                 cap->device_caps |= V4L2_CAP_VBI_CAPTURE;
1095                 break;
1096         }
1097         cap->capabilities = cap->device_caps | V4L2_CAP_VIDEO_CAPTURE |
1098                 V4L2_CAP_VBI_CAPTURE | V4L2_CAP_DEVICE_CAPS;
1099         if (core->board.radio.type == CX88_RADIO)
1100                 cap->capabilities |= V4L2_CAP_RADIO;
1101 }
1102 EXPORT_SYMBOL(cx88_querycap);
1103 
1104 static int vidioc_querycap(struct file *file, void  *priv,
1105                                         struct v4l2_capability *cap)
1106 {
1107         struct cx8800_dev *dev  = ((struct cx8800_fh *)priv)->dev;
1108         struct cx88_core  *core = dev->core;
1109 
1110         strcpy(cap->driver, "cx8800");
1111         sprintf(cap->bus_info, "PCI:%s", pci_name(dev->pci));
1112         cx88_querycap(file, core, cap);
1113         return 0;
1114 }
1115 
1116 static int vidioc_enum_fmt_vid_cap (struct file *file, void  *priv,
1117                                         struct v4l2_fmtdesc *f)
1118 {
1119         if (unlikely(f->index >= ARRAY_SIZE(formats)))
1120                 return -EINVAL;
1121 
1122         strlcpy(f->description,formats[f->index].name,sizeof(f->description));
1123         f->pixelformat = formats[f->index].fourcc;
1124 
1125         return 0;
1126 }
1127 
1128 static int vidioc_reqbufs (struct file *file, void *priv, struct v4l2_requestbuffers *p)
1129 {
1130         return videobuf_reqbufs(get_queue(file), p);
1131 }
1132 
1133 static int vidioc_querybuf (struct file *file, void *priv, struct v4l2_buffer *p)
1134 {
1135         return videobuf_querybuf(get_queue(file), p);
1136 }
1137 
1138 static int vidioc_qbuf (struct file *file, void *priv, struct v4l2_buffer *p)
1139 {
1140         return videobuf_qbuf(get_queue(file), p);
1141 }
1142 
1143 static int vidioc_dqbuf (struct file *file, void *priv, struct v4l2_buffer *p)
1144 {
1145         return videobuf_dqbuf(get_queue(file), p,
1146                                 file->f_flags & O_NONBLOCK);
1147 }
1148 
1149 static int vidioc_streamon(struct file *file, void *priv, enum v4l2_buf_type i)
1150 {
1151         struct video_device *vdev = video_devdata(file);
1152         struct cx8800_fh  *fh   = priv;
1153         struct cx8800_dev *dev  = fh->dev;
1154 
1155         if ((vdev->vfl_type == VFL_TYPE_GRABBER && i != V4L2_BUF_TYPE_VIDEO_CAPTURE) ||
1156             (vdev->vfl_type == VFL_TYPE_VBI && i != V4L2_BUF_TYPE_VBI_CAPTURE))
1157                 return -EINVAL;
1158 
1159         if (unlikely(!res_get(dev, fh, get_resource(file))))
1160                 return -EBUSY;
1161         return videobuf_streamon(get_queue(file));
1162 }
1163 
1164 static int vidioc_streamoff(struct file *file, void *priv, enum v4l2_buf_type i)
1165 {
1166         struct video_device *vdev = video_devdata(file);
1167         struct cx8800_fh  *fh   = priv;
1168         struct cx8800_dev *dev  = fh->dev;
1169         int               err, res;
1170 
1171         if ((vdev->vfl_type == VFL_TYPE_GRABBER && i != V4L2_BUF_TYPE_VIDEO_CAPTURE) ||
1172             (vdev->vfl_type == VFL_TYPE_VBI && i != V4L2_BUF_TYPE_VBI_CAPTURE))
1173                 return -EINVAL;
1174 
1175         res = get_resource(file);
1176         err = videobuf_streamoff(get_queue(file));
1177         if (err < 0)
1178                 return err;
1179         res_free(dev,fh,res);
1180         return 0;
1181 }
1182 
1183 static int vidioc_g_std(struct file *file, void *priv, v4l2_std_id *tvnorm)
1184 {
1185         struct cx88_core *core = ((struct cx8800_fh *)priv)->dev->core;
1186 
1187         *tvnorm = core->tvnorm;
1188         return 0;
1189 }
1190 
1191 static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id tvnorms)
1192 {
1193         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1194 
1195         mutex_lock(&core->lock);
1196         cx88_set_tvnorm(core, tvnorms);
1197         mutex_unlock(&core->lock);
1198 
1199         return 0;
1200 }
1201 
1202 /* only one input in this sample driver */
1203 int cx88_enum_input (struct cx88_core  *core,struct v4l2_input *i)
1204 {
1205         static const char * const iname[] = {
1206                 [ CX88_VMUX_COMPOSITE1 ] = "Composite1",
1207                 [ CX88_VMUX_COMPOSITE2 ] = "Composite2",
1208                 [ CX88_VMUX_COMPOSITE3 ] = "Composite3",
1209                 [ CX88_VMUX_COMPOSITE4 ] = "Composite4",
1210                 [ CX88_VMUX_SVIDEO     ] = "S-Video",
1211                 [ CX88_VMUX_TELEVISION ] = "Television",
1212                 [ CX88_VMUX_CABLE      ] = "Cable TV",
1213                 [ CX88_VMUX_DVB        ] = "DVB",
1214                 [ CX88_VMUX_DEBUG      ] = "for debug only",
1215         };
1216         unsigned int n = i->index;
1217 
1218         if (n >= 4)
1219                 return -EINVAL;
1220         if (0 == INPUT(n).type)
1221                 return -EINVAL;
1222         i->type  = V4L2_INPUT_TYPE_CAMERA;
1223         strcpy(i->name,iname[INPUT(n).type]);
1224         if ((CX88_VMUX_TELEVISION == INPUT(n).type) ||
1225             (CX88_VMUX_CABLE      == INPUT(n).type)) {
1226                 i->type = V4L2_INPUT_TYPE_TUNER;
1227         }
1228         i->std = CX88_NORMS;
1229         return 0;
1230 }
1231 EXPORT_SYMBOL(cx88_enum_input);
1232 
1233 static int vidioc_enum_input (struct file *file, void *priv,
1234                                 struct v4l2_input *i)
1235 {
1236         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1237         return cx88_enum_input (core,i);
1238 }
1239 
1240 static int vidioc_g_input (struct file *file, void *priv, unsigned int *i)
1241 {
1242         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1243 
1244         *i = core->input;
1245         return 0;
1246 }
1247 
1248 static int vidioc_s_input (struct file *file, void *priv, unsigned int i)
1249 {
1250         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1251 
1252         if (i >= 4)
1253                 return -EINVAL;
1254         if (0 == INPUT(i).type)
1255                 return -EINVAL;
1256 
1257         mutex_lock(&core->lock);
1258         cx88_newstation(core);
1259         cx88_video_mux(core,i);
1260         mutex_unlock(&core->lock);
1261         return 0;
1262 }
1263 
1264 static int vidioc_g_tuner (struct file *file, void *priv,
1265                                 struct v4l2_tuner *t)
1266 {
1267         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1268         u32 reg;
1269 
1270         if (unlikely(UNSET == core->board.tuner_type))
1271                 return -EINVAL;
1272         if (0 != t->index)
1273                 return -EINVAL;
1274 
1275         strcpy(t->name, "Television");
1276         t->capability = V4L2_TUNER_CAP_NORM;
1277         t->rangehigh  = 0xffffffffUL;
1278         call_all(core, tuner, g_tuner, t);
1279 
1280         cx88_get_stereo(core ,t);
1281         reg = cx_read(MO_DEVICE_STATUS);
1282         t->signal = (reg & (1<<5)) ? 0xffff : 0x0000;
1283         return 0;
1284 }
1285 
1286 static int vidioc_s_tuner (struct file *file, void *priv,
1287                                 const struct v4l2_tuner *t)
1288 {
1289         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1290 
1291         if (UNSET == core->board.tuner_type)
1292                 return -EINVAL;
1293         if (0 != t->index)
1294                 return -EINVAL;
1295 
1296         cx88_set_stereo(core, t->audmode, 1);
1297         return 0;
1298 }
1299 
1300 static int vidioc_g_frequency (struct file *file, void *priv,
1301                                 struct v4l2_frequency *f)
1302 {
1303         struct cx8800_fh  *fh   = priv;
1304         struct cx88_core  *core = fh->dev->core;
1305 
1306         if (unlikely(UNSET == core->board.tuner_type))
1307                 return -EINVAL;
1308         if (f->tuner)
1309                 return -EINVAL;
1310 
1311         f->frequency = core->freq;
1312 
1313         call_all(core, tuner, g_frequency, f);
1314 
1315         return 0;
1316 }
1317 
1318 int cx88_set_freq (struct cx88_core  *core,
1319                                 const struct v4l2_frequency *f)
1320 {
1321         struct v4l2_frequency new_freq = *f;
1322 
1323         if (unlikely(UNSET == core->board.tuner_type))
1324                 return -EINVAL;
1325         if (unlikely(f->tuner != 0))
1326                 return -EINVAL;
1327 
1328         mutex_lock(&core->lock);
1329         cx88_newstation(core);
1330         call_all(core, tuner, s_frequency, f);
1331         call_all(core, tuner, g_frequency, &new_freq);
1332         core->freq = new_freq.frequency;
1333 
1334         /* When changing channels it is required to reset TVAUDIO */
1335         msleep (10);
1336         cx88_set_tvaudio(core);
1337 
1338         mutex_unlock(&core->lock);
1339 
1340         return 0;
1341 }
1342 EXPORT_SYMBOL(cx88_set_freq);
1343 
1344 static int vidioc_s_frequency (struct file *file, void *priv,
1345                                 const struct v4l2_frequency *f)
1346 {
1347         struct cx8800_fh  *fh   = priv;
1348         struct cx88_core  *core = fh->dev->core;
1349 
1350         return cx88_set_freq(core, f);
1351 }
1352 
1353 #ifdef CONFIG_VIDEO_ADV_DEBUG
1354 static int vidioc_g_register (struct file *file, void *fh,
1355                                 struct v4l2_dbg_register *reg)
1356 {
1357         struct cx88_core *core = ((struct cx8800_fh*)fh)->dev->core;
1358 
1359         /* cx2388x has a 24-bit register space */
1360         reg->val = cx_read(reg->reg & 0xfffffc);
1361         reg->size = 4;
1362         return 0;
1363 }
1364 
1365 static int vidioc_s_register (struct file *file, void *fh,
1366                                 const struct v4l2_dbg_register *reg)
1367 {
1368         struct cx88_core *core = ((struct cx8800_fh*)fh)->dev->core;
1369 
1370         cx_write(reg->reg & 0xfffffc, reg->val);
1371         return 0;
1372 }
1373 #endif
1374 
1375 /* ----------------------------------------------------------- */
1376 /* RADIO ESPECIFIC IOCTLS                                      */
1377 /* ----------------------------------------------------------- */
1378 
1379 static int radio_g_tuner (struct file *file, void *priv,
1380                                 struct v4l2_tuner *t)
1381 {
1382         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1383 
1384         if (unlikely(t->index > 0))
1385                 return -EINVAL;
1386 
1387         strcpy(t->name, "Radio");
1388 
1389         call_all(core, tuner, g_tuner, t);
1390         return 0;
1391 }
1392 
1393 static int radio_s_tuner (struct file *file, void *priv,
1394                                 const struct v4l2_tuner *t)
1395 {
1396         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1397 
1398         if (0 != t->index)
1399                 return -EINVAL;
1400 
1401         call_all(core, tuner, s_tuner, t);
1402         return 0;
1403 }
1404 
1405 /* ----------------------------------------------------------- */
1406 
1407 static void cx8800_vid_timeout(unsigned long data)
1408 {
1409         struct cx8800_dev *dev = (struct cx8800_dev*)data;
1410         struct cx88_core *core = dev->core;
1411         struct cx88_dmaqueue *q = &dev->vidq;
1412         struct cx88_buffer *buf;
1413         unsigned long flags;
1414 
1415         cx88_sram_channel_dump(core, &cx88_sram_channels[SRAM_CH21]);
1416 
1417         cx_clear(MO_VID_DMACNTRL, 0x11);
1418         cx_clear(VID_CAPTURE_CONTROL, 0x06);
1419 
1420         spin_lock_irqsave(&dev->slock,flags);
1421         while (!list_empty(&q->active)) {
1422                 buf = list_entry(q->active.next, struct cx88_buffer, vb.queue);
1423                 list_del(&buf->vb.queue);
1424                 buf->vb.state = VIDEOBUF_ERROR;
1425                 wake_up(&buf->vb.done);
1426                 printk("%s/0: [%p/%d] timeout - dma=0x%08lx\n", core->name,
1427                        buf, buf->vb.i, (unsigned long)buf->risc.dma);
1428         }
1429         restart_video_queue(dev,q);
1430         spin_unlock_irqrestore(&dev->slock,flags);
1431 }
1432 
1433 static const char *cx88_vid_irqs[32] = {
1434         "y_risci1", "u_risci1", "v_risci1", "vbi_risc1",
1435         "y_risci2", "u_risci2", "v_risci2", "vbi_risc2",
1436         "y_oflow",  "u_oflow",  "v_oflow",  "vbi_oflow",
1437         "y_sync",   "u_sync",   "v_sync",   "vbi_sync",
1438         "opc_err",  "par_err",  "rip_err",  "pci_abort",
1439 };
1440 
1441 static void cx8800_vid_irq(struct cx8800_dev *dev)
1442 {
1443         struct cx88_core *core = dev->core;
1444         u32 status, mask, count;
1445 
1446         status = cx_read(MO_VID_INTSTAT);
1447         mask   = cx_read(MO_VID_INTMSK);
1448         if (0 == (status & mask))
1449                 return;
1450         cx_write(MO_VID_INTSTAT, status);
1451         if (irq_debug  ||  (status & mask & ~0xff))
1452                 cx88_print_irqbits(core->name, "irq vid",
1453                                    cx88_vid_irqs, ARRAY_SIZE(cx88_vid_irqs),
1454                                    status, mask);
1455 
1456         /* risc op code error */
1457         if (status & (1 << 16)) {
1458                 printk(KERN_WARNING "%s/0: video risc op code error\n",core->name);
1459                 cx_clear(MO_VID_DMACNTRL, 0x11);
1460                 cx_clear(VID_CAPTURE_CONTROL, 0x06);
1461                 cx88_sram_channel_dump(core, &cx88_sram_channels[SRAM_CH21]);
1462         }
1463 
1464         /* risc1 y */
1465         if (status & 0x01) {
1466                 spin_lock(&dev->slock);
1467                 count = cx_read(MO_VIDY_GPCNT);
1468                 cx88_wakeup(core, &dev->vidq, count);
1469                 spin_unlock(&dev->slock);
1470         }
1471 
1472         /* risc1 vbi */
1473         if (status & 0x08) {
1474                 spin_lock(&dev->slock);
1475                 count = cx_read(MO_VBI_GPCNT);
1476                 cx88_wakeup(core, &dev->vbiq, count);
1477                 spin_unlock(&dev->slock);
1478         }
1479 
1480         /* risc2 y */
1481         if (status & 0x10) {
1482                 dprintk(2,"stopper video\n");
1483                 spin_lock(&dev->slock);
1484                 restart_video_queue(dev,&dev->vidq);
1485                 spin_unlock(&dev->slock);
1486         }
1487 
1488         /* risc2 vbi */
1489         if (status & 0x80) {
1490                 dprintk(2,"stopper vbi\n");
1491                 spin_lock(&dev->slock);
1492                 cx8800_restart_vbi_queue(dev,&dev->vbiq);
1493                 spin_unlock(&dev->slock);
1494         }
1495 }
1496 
1497 static irqreturn_t cx8800_irq(int irq, void *dev_id)
1498 {
1499         struct cx8800_dev *dev = dev_id;
1500         struct cx88_core *core = dev->core;
1501         u32 status;
1502         int loop, handled = 0;
1503 
1504         for (loop = 0; loop < 10; loop++) {
1505                 status = cx_read(MO_PCI_INTSTAT) &
1506                         (core->pci_irqmask | PCI_INT_VIDINT);
1507                 if (0 == status)
1508                         goto out;
1509                 cx_write(MO_PCI_INTSTAT, status);
1510                 handled = 1;
1511 
1512                 if (status & core->pci_irqmask)
1513                         cx88_core_irq(core,status);
1514                 if (status & PCI_INT_VIDINT)
1515                         cx8800_vid_irq(dev);
1516         }
1517         if (10 == loop) {
1518                 printk(KERN_WARNING "%s/0: irq loop -- clearing mask\n",
1519                        core->name);
1520                 cx_write(MO_PCI_INTMSK,0);
1521         }
1522 
1523  out:
1524         return IRQ_RETVAL(handled);
1525 }
1526 
1527 /* ----------------------------------------------------------- */
1528 /* exported stuff                                              */
1529 
1530 static const struct v4l2_file_operations video_fops =
1531 {
1532         .owner         = THIS_MODULE,
1533         .open          = video_open,
1534         .release       = video_release,
1535         .read          = video_read,
1536         .poll          = video_poll,
1537         .mmap          = video_mmap,
1538         .unlocked_ioctl = video_ioctl2,
1539 };
1540 
1541 static const struct v4l2_ioctl_ops video_ioctl_ops = {
1542         .vidioc_querycap      = vidioc_querycap,
1543         .vidioc_enum_fmt_vid_cap  = vidioc_enum_fmt_vid_cap,
1544         .vidioc_g_fmt_vid_cap     = vidioc_g_fmt_vid_cap,
1545         .vidioc_try_fmt_vid_cap   = vidioc_try_fmt_vid_cap,
1546         .vidioc_s_fmt_vid_cap     = vidioc_s_fmt_vid_cap,
1547         .vidioc_reqbufs       = vidioc_reqbufs,
1548         .vidioc_querybuf      = vidioc_querybuf,
1549         .vidioc_qbuf          = vidioc_qbuf,
1550         .vidioc_dqbuf         = vidioc_dqbuf,
1551         .vidioc_g_std         = vidioc_g_std,
1552         .vidioc_s_std         = vidioc_s_std,
1553         .vidioc_enum_input    = vidioc_enum_input,
1554         .vidioc_g_input       = vidioc_g_input,
1555         .vidioc_s_input       = vidioc_s_input,
1556         .vidioc_streamon      = vidioc_streamon,
1557         .vidioc_streamoff     = vidioc_streamoff,
1558         .vidioc_g_tuner       = vidioc_g_tuner,
1559         .vidioc_s_tuner       = vidioc_s_tuner,
1560         .vidioc_g_frequency   = vidioc_g_frequency,
1561         .vidioc_s_frequency   = vidioc_s_frequency,
1562         .vidioc_subscribe_event      = v4l2_ctrl_subscribe_event,
1563         .vidioc_unsubscribe_event    = v4l2_event_unsubscribe,
1564 #ifdef CONFIG_VIDEO_ADV_DEBUG
1565         .vidioc_g_register    = vidioc_g_register,
1566         .vidioc_s_register    = vidioc_s_register,
1567 #endif
1568 };
1569 
1570 static const struct video_device cx8800_video_template = {
1571         .name                 = "cx8800-video",
1572         .fops                 = &video_fops,
1573         .ioctl_ops            = &video_ioctl_ops,
1574         .tvnorms              = CX88_NORMS,
1575 };
1576 
1577 static const struct v4l2_ioctl_ops vbi_ioctl_ops = {
1578         .vidioc_querycap      = vidioc_querycap,
1579         .vidioc_g_fmt_vbi_cap     = cx8800_vbi_fmt,
1580         .vidioc_try_fmt_vbi_cap   = cx8800_vbi_fmt,
1581         .vidioc_s_fmt_vbi_cap     = cx8800_vbi_fmt,
1582         .vidioc_reqbufs       = vidioc_reqbufs,
1583         .vidioc_querybuf      = vidioc_querybuf,
1584         .vidioc_qbuf          = vidioc_qbuf,
1585         .vidioc_dqbuf         = vidioc_dqbuf,
1586         .vidioc_g_std         = vidioc_g_std,
1587         .vidioc_s_std         = vidioc_s_std,
1588         .vidioc_enum_input    = vidioc_enum_input,
1589         .vidioc_g_input       = vidioc_g_input,
1590         .vidioc_s_input       = vidioc_s_input,
1591         .vidioc_streamon      = vidioc_streamon,
1592         .vidioc_streamoff     = vidioc_streamoff,
1593         .vidioc_g_tuner       = vidioc_g_tuner,
1594         .vidioc_s_tuner       = vidioc_s_tuner,
1595         .vidioc_g_frequency   = vidioc_g_frequency,
1596         .vidioc_s_frequency   = vidioc_s_frequency,
1597 #ifdef CONFIG_VIDEO_ADV_DEBUG
1598         .vidioc_g_register    = vidioc_g_register,
1599         .vidioc_s_register    = vidioc_s_register,
1600 #endif
1601 };
1602 
1603 static const struct video_device cx8800_vbi_template = {
1604         .name                 = "cx8800-vbi",
1605         .fops                 = &video_fops,
1606         .ioctl_ops            = &vbi_ioctl_ops,
1607         .tvnorms              = CX88_NORMS,
1608 };
1609 
1610 static const struct v4l2_file_operations radio_fops =
1611 {
1612         .owner         = THIS_MODULE,
1613         .open          = video_open,
1614         .poll          = v4l2_ctrl_poll,
1615         .release       = video_release,
1616         .unlocked_ioctl = video_ioctl2,
1617 };
1618 
1619 static const struct v4l2_ioctl_ops radio_ioctl_ops = {
1620         .vidioc_querycap      = vidioc_querycap,
1621         .vidioc_g_tuner       = radio_g_tuner,
1622         .vidioc_s_tuner       = radio_s_tuner,
1623         .vidioc_g_frequency   = vidioc_g_frequency,
1624         .vidioc_s_frequency   = vidioc_s_frequency,
1625         .vidioc_subscribe_event      = v4l2_ctrl_subscribe_event,
1626         .vidioc_unsubscribe_event    = v4l2_event_unsubscribe,
1627 #ifdef CONFIG_VIDEO_ADV_DEBUG
1628         .vidioc_g_register    = vidioc_g_register,
1629         .vidioc_s_register    = vidioc_s_register,
1630 #endif
1631 };
1632 
1633 static const struct video_device cx8800_radio_template = {
1634         .name                 = "cx8800-radio",
1635         .fops                 = &radio_fops,
1636         .ioctl_ops            = &radio_ioctl_ops,
1637 };
1638 
1639 static const struct v4l2_ctrl_ops cx8800_ctrl_vid_ops = {
1640         .s_ctrl = cx8800_s_vid_ctrl,
1641 };
1642 
1643 static const struct v4l2_ctrl_ops cx8800_ctrl_aud_ops = {
1644         .s_ctrl = cx8800_s_aud_ctrl,
1645 };
1646 
1647 /* ----------------------------------------------------------- */
1648 
1649 static void cx8800_unregister_video(struct cx8800_dev *dev)
1650 {
1651         if (dev->radio_dev) {
1652                 if (video_is_registered(dev->radio_dev))
1653                         video_unregister_device(dev->radio_dev);
1654                 else
1655                         video_device_release(dev->radio_dev);
1656                 dev->radio_dev = NULL;
1657         }
1658         if (dev->vbi_dev) {
1659                 if (video_is_registered(dev->vbi_dev))
1660                         video_unregister_device(dev->vbi_dev);
1661                 else
1662                         video_device_release(dev->vbi_dev);
1663                 dev->vbi_dev = NULL;
1664         }
1665         if (dev->video_dev) {
1666                 if (video_is_registered(dev->video_dev))
1667                         video_unregister_device(dev->video_dev);
1668                 else
1669                         video_device_release(dev->video_dev);
1670                 dev->video_dev = NULL;
1671         }
1672 }
1673 
1674 static int cx8800_initdev(struct pci_dev *pci_dev,
1675                           const struct pci_device_id *pci_id)
1676 {
1677         struct cx8800_dev *dev;
1678         struct cx88_core *core;
1679         int err;
1680         int i;
1681 
1682         dev = kzalloc(sizeof(*dev),GFP_KERNEL);
1683         if (NULL == dev)
1684                 return -ENOMEM;
1685 
1686         /* pci init */
1687         dev->pci = pci_dev;
1688         if (pci_enable_device(pci_dev)) {
1689                 err = -EIO;
1690                 goto fail_free;
1691         }
1692         core = cx88_core_get(dev->pci);
1693         if (NULL == core) {
1694                 err = -EINVAL;
1695                 goto fail_free;
1696         }
1697         dev->core = core;
1698 
1699         /* print pci info */
1700         dev->pci_rev = pci_dev->revision;
1701         pci_read_config_byte(pci_dev, PCI_LATENCY_TIMER,  &dev->pci_lat);
1702         printk(KERN_INFO "%s/0: found at %s, rev: %d, irq: %d, "
1703                "latency: %d, mmio: 0x%llx\n", core->name,
1704                pci_name(pci_dev), dev->pci_rev, pci_dev->irq,
1705                dev->pci_lat,(unsigned long long)pci_resource_start(pci_dev,0));
1706 
1707         pci_set_master(pci_dev);
1708         if (!pci_dma_supported(pci_dev,DMA_BIT_MASK(32))) {
1709                 printk("%s/0: Oops: no 32bit PCI DMA ???\n",core->name);
1710                 err = -EIO;
1711                 goto fail_core;
1712         }
1713 
1714         /* initialize driver struct */
1715         spin_lock_init(&dev->slock);
1716         core->tvnorm = V4L2_STD_NTSC_M;
1717 
1718         /* init video dma queues */
1719         INIT_LIST_HEAD(&dev->vidq.active);
1720         INIT_LIST_HEAD(&dev->vidq.queued);
1721         dev->vidq.timeout.function = cx8800_vid_timeout;
1722         dev->vidq.timeout.data     = (unsigned long)dev;
1723         init_timer(&dev->vidq.timeout);
1724         cx88_risc_stopper(dev->pci,&dev->vidq.stopper,
1725                           MO_VID_DMACNTRL,0x11,0x00);
1726 
1727         /* init vbi dma queues */
1728         INIT_LIST_HEAD(&dev->vbiq.active);
1729         INIT_LIST_HEAD(&dev->vbiq.queued);
1730         dev->vbiq.timeout.function = cx8800_vbi_timeout;
1731         dev->vbiq.timeout.data     = (unsigned long)dev;
1732         init_timer(&dev->vbiq.timeout);
1733         cx88_risc_stopper(dev->pci,&dev->vbiq.stopper,
1734                           MO_VID_DMACNTRL,0x88,0x00);
1735 
1736         /* get irq */
1737         err = request_irq(pci_dev->irq, cx8800_irq,
1738                           IRQF_SHARED, core->name, dev);
1739         if (err < 0) {
1740                 printk(KERN_ERR "%s/0: can't get IRQ %d\n",
1741                        core->name,pci_dev->irq);
1742                 goto fail_core;
1743         }
1744         cx_set(MO_PCI_INTMSK, core->pci_irqmask);
1745 
1746         for (i = 0; i < CX8800_AUD_CTLS; i++) {
1747                 const struct cx88_ctrl *cc = &cx8800_aud_ctls[i];
1748                 struct v4l2_ctrl *vc;
1749 
1750                 vc = v4l2_ctrl_new_std(&core->audio_hdl, &cx8800_ctrl_aud_ops,
1751                         cc->id, cc->minimum, cc->maximum, cc->step, cc->default_value);
1752                 if (vc == NULL) {
1753                         err = core->audio_hdl.error;
1754                         goto fail_core;
1755                 }
1756                 vc->priv = (void *)cc;
1757         }
1758 
1759         for (i = 0; i < CX8800_VID_CTLS; i++) {
1760                 const struct cx88_ctrl *cc = &cx8800_vid_ctls[i];
1761                 struct v4l2_ctrl *vc;
1762 
1763                 vc = v4l2_ctrl_new_std(&core->video_hdl, &cx8800_ctrl_vid_ops,
1764                         cc->id, cc->minimum, cc->maximum, cc->step, cc->default_value);
1765                 if (vc == NULL) {
1766                         err = core->video_hdl.error;
1767                         goto fail_core;
1768                 }
1769                 vc->priv = (void *)cc;
1770                 if (vc->id == V4L2_CID_CHROMA_AGC)
1771                         core->chroma_agc = vc;
1772         }
1773         v4l2_ctrl_add_handler(&core->video_hdl, &core->audio_hdl, NULL);
1774 
1775         /* load and configure helper modules */
1776 
1777         if (core->board.audio_chip == CX88_AUDIO_WM8775) {
1778                 struct i2c_board_info wm8775_info = {
1779                         .type = "wm8775",
1780                         .addr = 0x36 >> 1,
1781                         .platform_data = &core->wm8775_data,
1782                 };
1783                 struct v4l2_subdev *sd;
1784 
1785                 if (core->boardnr == CX88_BOARD_HAUPPAUGE_NOVASPLUS_S1)
1786                         core->wm8775_data.is_nova_s = true;
1787                 else
1788                         core->wm8775_data.is_nova_s = false;
1789 
1790                 sd = v4l2_i2c_new_subdev_board(&core->v4l2_dev, &core->i2c_adap,
1791                                 &wm8775_info, NULL);
1792                 if (sd != NULL) {
1793                         core->sd_wm8775 = sd;
1794                         sd->grp_id = WM8775_GID;
1795                 }
1796         }
1797 
1798         if (core->board.audio_chip == CX88_AUDIO_TVAUDIO) {
1799                 /* This probes for a tda9874 as is used on some
1800                    Pixelview Ultra boards. */
1801                 v4l2_i2c_new_subdev(&core->v4l2_dev, &core->i2c_adap,
1802                                 "tvaudio", 0, I2C_ADDRS(0xb0 >> 1));
1803         }
1804 
1805         switch (core->boardnr) {
1806         case CX88_BOARD_DVICO_FUSIONHDTV_5_GOLD:
1807         case CX88_BOARD_DVICO_FUSIONHDTV_7_GOLD: {
1808                 static const struct i2c_board_info rtc_info = {
1809                         I2C_BOARD_INFO("isl1208", 0x6f)
1810                 };
1811 
1812                 request_module("rtc-isl1208");
1813                 core->i2c_rtc = i2c_new_device(&core->i2c_adap, &rtc_info);
1814         }
1815                 /* break intentionally omitted */
1816         case CX88_BOARD_DVICO_FUSIONHDTV_5_PCI_NANO:
1817                 request_module("ir-kbd-i2c");
1818         }
1819 
1820         /* Sets device info at pci_dev */
1821         pci_set_drvdata(pci_dev, dev);
1822 
1823         dev->width   = 320;
1824         dev->height  = 240;
1825         dev->fmt     = format_by_fourcc(V4L2_PIX_FMT_BGR24);
1826 
1827         /* initial device configuration */
1828         mutex_lock(&core->lock);
1829         cx88_set_tvnorm(core, core->tvnorm);
1830         v4l2_ctrl_handler_setup(&core->video_hdl);
1831         v4l2_ctrl_handler_setup(&core->audio_hdl);
1832         cx88_video_mux(core, 0);
1833 
1834         /* register v4l devices */
1835         dev->video_dev = cx88_vdev_init(core,dev->pci,
1836                                         &cx8800_video_template,"video");
1837         video_set_drvdata(dev->video_dev, dev);
1838         dev->video_dev->ctrl_handler = &core->video_hdl;
1839         err = video_register_device(dev->video_dev,VFL_TYPE_GRABBER,
1840                                     video_nr[core->nr]);
1841         if (err < 0) {
1842                 printk(KERN_ERR "%s/0: can't register video device\n",
1843                        core->name);
1844                 goto fail_unreg;
1845         }
1846         printk(KERN_INFO "%s/0: registered device %s [v4l2]\n",
1847                core->name, video_device_node_name(dev->video_dev));
1848 
1849         dev->vbi_dev = cx88_vdev_init(core,dev->pci,&cx8800_vbi_template,"vbi");
1850         video_set_drvdata(dev->vbi_dev, dev);
1851         err = video_register_device(dev->vbi_dev,VFL_TYPE_VBI,
1852                                     vbi_nr[core->nr]);
1853         if (err < 0) {
1854                 printk(KERN_ERR "%s/0: can't register vbi device\n",
1855                        core->name);
1856                 goto fail_unreg;
1857         }
1858         printk(KERN_INFO "%s/0: registered device %s\n",
1859                core->name, video_device_node_name(dev->vbi_dev));
1860 
1861         if (core->board.radio.type == CX88_RADIO) {
1862                 dev->radio_dev = cx88_vdev_init(core,dev->pci,
1863                                                 &cx8800_radio_template,"radio");
1864                 video_set_drvdata(dev->radio_dev, dev);
1865                 dev->radio_dev->ctrl_handler = &core->audio_hdl;
1866                 err = video_register_device(dev->radio_dev,VFL_TYPE_RADIO,
1867                                             radio_nr[core->nr]);
1868                 if (err < 0) {
1869                         printk(KERN_ERR "%s/0: can't register radio device\n",
1870                                core->name);
1871                         goto fail_unreg;
1872                 }
1873                 printk(KERN_INFO "%s/0: registered device %s\n",
1874                        core->name, video_device_node_name(dev->radio_dev));
1875         }
1876 
1877         /* start tvaudio thread */
1878         if (core->board.tuner_type != TUNER_ABSENT) {
1879                 core->kthread = kthread_run(cx88_audio_thread, core, "cx88 tvaudio");
1880                 if (IS_ERR(core->kthread)) {
1881                         err = PTR_ERR(core->kthread);
1882                         printk(KERN_ERR "%s/0: failed to create cx88 audio thread, err=%d\n",
1883                                core->name, err);
1884                 }
1885         }
1886         mutex_unlock(&core->lock);
1887 
1888         return 0;
1889 
1890 fail_unreg:
1891         cx8800_unregister_video(dev);
1892         free_irq(pci_dev->irq, dev);
1893         mutex_unlock(&core->lock);
1894 fail_core:
1895         cx88_core_put(core,dev->pci);
1896 fail_free:
1897         kfree(dev);
1898         return err;
1899 }
1900 
1901 static void cx8800_finidev(struct pci_dev *pci_dev)
1902 {
1903         struct cx8800_dev *dev = pci_get_drvdata(pci_dev);
1904         struct cx88_core *core = dev->core;
1905 
1906         /* stop thread */
1907         if (core->kthread) {
1908                 kthread_stop(core->kthread);
1909                 core->kthread = NULL;
1910         }
1911 
1912         if (core->ir)
1913                 cx88_ir_stop(core);
1914 
1915         cx88_shutdown(core); /* FIXME */
1916         pci_disable_device(pci_dev);
1917 
1918         /* unregister stuff */
1919 
1920         free_irq(pci_dev->irq, dev);
1921         cx8800_unregister_video(dev);
1922 
1923         /* free memory */
1924         btcx_riscmem_free(dev->pci,&dev->vidq.stopper);
1925         cx88_core_put(core,dev->pci);
1926         kfree(dev);
1927 }
1928 
1929 #ifdef CONFIG_PM
1930 static int cx8800_suspend(struct pci_dev *pci_dev, pm_message_t state)
1931 {
1932         struct cx8800_dev *dev = pci_get_drvdata(pci_dev);
1933         struct cx88_core *core = dev->core;
1934         unsigned long flags;
1935 
1936         /* stop video+vbi capture */
1937         spin_lock_irqsave(&dev->slock, flags);
1938         if (!list_empty(&dev->vidq.active)) {
1939                 printk("%s/0: suspend video\n", core->name);
1940                 stop_video_dma(dev);
1941                 del_timer(&dev->vidq.timeout);
1942         }
1943         if (!list_empty(&dev->vbiq.active)) {
1944                 printk("%s/0: suspend vbi\n", core->name);
1945                 cx8800_stop_vbi_dma(dev);
1946                 del_timer(&dev->vbiq.timeout);
1947         }
1948         spin_unlock_irqrestore(&dev->slock, flags);
1949 
1950         if (core->ir)
1951                 cx88_ir_stop(core);
1952         /* FIXME -- shutdown device */
1953         cx88_shutdown(core);
1954 
1955         pci_save_state(pci_dev);
1956         if (0 != pci_set_power_state(pci_dev, pci_choose_state(pci_dev, state))) {
1957                 pci_disable_device(pci_dev);
1958                 dev->state.disabled = 1;
1959         }
1960         return 0;
1961 }
1962 
1963 static int cx8800_resume(struct pci_dev *pci_dev)
1964 {
1965         struct cx8800_dev *dev = pci_get_drvdata(pci_dev);
1966         struct cx88_core *core = dev->core;
1967         unsigned long flags;
1968         int err;
1969 
1970         if (dev->state.disabled) {
1971                 err=pci_enable_device(pci_dev);
1972                 if (err) {
1973                         printk(KERN_ERR "%s/0: can't enable device\n",
1974                                core->name);
1975                         return err;
1976                 }
1977 
1978                 dev->state.disabled = 0;
1979         }
1980         err= pci_set_power_state(pci_dev, PCI_D0);
1981         if (err) {
1982                 printk(KERN_ERR "%s/0: can't set power state\n", core->name);
1983                 pci_disable_device(pci_dev);
1984                 dev->state.disabled = 1;
1985 
1986                 return err;
1987         }
1988         pci_restore_state(pci_dev);
1989 
1990         /* FIXME: re-initialize hardware */
1991         cx88_reset(core);
1992         if (core->ir)
1993                 cx88_ir_start(core);
1994 
1995         cx_set(MO_PCI_INTMSK, core->pci_irqmask);
1996 
1997         /* restart video+vbi capture */
1998         spin_lock_irqsave(&dev->slock, flags);
1999         if (!list_empty(&dev->vidq.active)) {
2000                 printk("%s/0: resume video\n", core->name);
2001                 restart_video_queue(dev,&dev->vidq);
2002         }
2003         if (!list_empty(&dev->vbiq.active)) {
2004                 printk("%s/0: resume vbi\n", core->name);
2005                 cx8800_restart_vbi_queue(dev,&dev->vbiq);
2006         }
2007         spin_unlock_irqrestore(&dev->slock, flags);
2008 
2009         return 0;
2010 }
2011 #endif
2012 
2013 /* ----------------------------------------------------------- */
2014 
2015 static const struct pci_device_id cx8800_pci_tbl[] = {
2016         {
2017                 .vendor       = 0x14f1,
2018                 .device       = 0x8800,
2019                 .subvendor    = PCI_ANY_ID,
2020                 .subdevice    = PCI_ANY_ID,
2021         },{
2022                 /* --- end of list --- */
2023         }
2024 };
2025 MODULE_DEVICE_TABLE(pci, cx8800_pci_tbl);
2026 
2027 static struct pci_driver cx8800_pci_driver = {
2028         .name     = "cx8800",
2029         .id_table = cx8800_pci_tbl,
2030         .probe    = cx8800_initdev,
2031         .remove   = cx8800_finidev,
2032 #ifdef CONFIG_PM
2033         .suspend  = cx8800_suspend,
2034         .resume   = cx8800_resume,
2035 #endif
2036 };
2037 
2038 module_pci_driver(cx8800_pci_driver);
2039 

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