Version:  2.0.40 2.2.26 2.4.37 2.6.39 3.0 3.1 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

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                 return NULL;
700         }
701 }
702 
703 static int get_resource(struct file *file)
704 {
705         struct video_device *vdev = video_devdata(file);
706 
707         switch (vdev->vfl_type) {
708         case VFL_TYPE_GRABBER:
709                 return RESOURCE_VIDEO;
710         case VFL_TYPE_VBI:
711                 return RESOURCE_VBI;
712         default:
713                 BUG();
714                 return 0;
715         }
716 }
717 
718 static int video_open(struct file *file)
719 {
720         struct video_device *vdev = video_devdata(file);
721         struct cx8800_dev *dev = video_drvdata(file);
722         struct cx88_core *core = dev->core;
723         struct cx8800_fh *fh;
724         enum v4l2_buf_type type = 0;
725         int radio = 0;
726 
727         switch (vdev->vfl_type) {
728         case VFL_TYPE_GRABBER:
729                 type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
730                 break;
731         case VFL_TYPE_VBI:
732                 type = V4L2_BUF_TYPE_VBI_CAPTURE;
733                 break;
734         case VFL_TYPE_RADIO:
735                 radio = 1;
736                 break;
737         }
738 
739         dprintk(1, "open dev=%s radio=%d type=%s\n",
740                 video_device_node_name(vdev), radio, v4l2_type_names[type]);
741 
742         /* allocate + initialize per filehandle data */
743         fh = kzalloc(sizeof(*fh),GFP_KERNEL);
744         if (unlikely(!fh))
745                 return -ENOMEM;
746 
747         v4l2_fh_init(&fh->fh, vdev);
748         file->private_data = fh;
749         fh->dev      = dev;
750 
751         mutex_lock(&core->lock);
752 
753         videobuf_queue_sg_init(&fh->vidq, &cx8800_video_qops,
754                             &dev->pci->dev, &dev->slock,
755                             V4L2_BUF_TYPE_VIDEO_CAPTURE,
756                             V4L2_FIELD_INTERLACED,
757                             sizeof(struct cx88_buffer),
758                             fh, NULL);
759         videobuf_queue_sg_init(&fh->vbiq, &cx8800_vbi_qops,
760                             &dev->pci->dev, &dev->slock,
761                             V4L2_BUF_TYPE_VBI_CAPTURE,
762                             V4L2_FIELD_SEQ_TB,
763                             sizeof(struct cx88_buffer),
764                             fh, NULL);
765 
766         if (vdev->vfl_type == VFL_TYPE_RADIO) {
767                 dprintk(1,"video_open: setting radio device\n");
768                 cx_write(MO_GP3_IO, core->board.radio.gpio3);
769                 cx_write(MO_GP0_IO, core->board.radio.gpio0);
770                 cx_write(MO_GP1_IO, core->board.radio.gpio1);
771                 cx_write(MO_GP2_IO, core->board.radio.gpio2);
772                 if (core->board.radio.audioroute) {
773                         if (core->sd_wm8775) {
774                                 call_all(core, audio, s_routing,
775                                         core->board.radio.audioroute, 0, 0);
776                         }
777                         /* "I2S ADC mode" */
778                         core->tvaudio = WW_I2SADC;
779                         cx88_set_tvaudio(core);
780                 } else {
781                         /* FM Mode */
782                         core->tvaudio = WW_FM;
783                         cx88_set_tvaudio(core);
784                         cx88_set_stereo(core,V4L2_TUNER_MODE_STEREO,1);
785                 }
786                 call_all(core, tuner, s_radio);
787         }
788 
789         core->users++;
790         mutex_unlock(&core->lock);
791         v4l2_fh_add(&fh->fh);
792 
793         return 0;
794 }
795 
796 static ssize_t
797 video_read(struct file *file, char __user *data, size_t count, loff_t *ppos)
798 {
799         struct video_device *vdev = video_devdata(file);
800         struct cx8800_fh *fh = file->private_data;
801 
802         switch (vdev->vfl_type) {
803         case VFL_TYPE_GRABBER:
804                 if (res_locked(fh->dev,RESOURCE_VIDEO))
805                         return -EBUSY;
806                 return videobuf_read_one(&fh->vidq, data, count, ppos,
807                                          file->f_flags & O_NONBLOCK);
808         case VFL_TYPE_VBI:
809                 if (!res_get(fh->dev,fh,RESOURCE_VBI))
810                         return -EBUSY;
811                 return videobuf_read_stream(&fh->vbiq, data, count, ppos, 1,
812                                             file->f_flags & O_NONBLOCK);
813         default:
814                 BUG();
815                 return 0;
816         }
817 }
818 
819 static unsigned int
820 video_poll(struct file *file, struct poll_table_struct *wait)
821 {
822         struct video_device *vdev = video_devdata(file);
823         struct cx8800_fh *fh = file->private_data;
824         struct cx88_buffer *buf;
825         unsigned int rc = v4l2_ctrl_poll(file, wait);
826 
827         if (vdev->vfl_type == VFL_TYPE_VBI) {
828                 if (!res_get(fh->dev,fh,RESOURCE_VBI))
829                         return rc | POLLERR;
830                 return rc | videobuf_poll_stream(file, &fh->vbiq, wait);
831         }
832         mutex_lock(&fh->vidq.vb_lock);
833         if (res_check(fh,RESOURCE_VIDEO)) {
834                 /* streaming capture */
835                 if (list_empty(&fh->vidq.stream))
836                         goto done;
837                 buf = list_entry(fh->vidq.stream.next,struct cx88_buffer,vb.stream);
838         } else {
839                 /* read() capture */
840                 buf = (struct cx88_buffer*)fh->vidq.read_buf;
841                 if (NULL == buf)
842                         goto done;
843         }
844         poll_wait(file, &buf->vb.done, wait);
845         if (buf->vb.state == VIDEOBUF_DONE ||
846             buf->vb.state == VIDEOBUF_ERROR)
847                 rc |= POLLIN|POLLRDNORM;
848 done:
849         mutex_unlock(&fh->vidq.vb_lock);
850         return rc;
851 }
852 
853 static int video_release(struct file *file)
854 {
855         struct cx8800_fh  *fh  = file->private_data;
856         struct cx8800_dev *dev = fh->dev;
857 
858         /* turn off overlay */
859         if (res_check(fh, RESOURCE_OVERLAY)) {
860                 /* FIXME */
861                 res_free(dev,fh,RESOURCE_OVERLAY);
862         }
863 
864         /* stop video capture */
865         if (res_check(fh, RESOURCE_VIDEO)) {
866                 videobuf_queue_cancel(&fh->vidq);
867                 res_free(dev,fh,RESOURCE_VIDEO);
868         }
869         if (fh->vidq.read_buf) {
870                 buffer_release(&fh->vidq,fh->vidq.read_buf);
871                 kfree(fh->vidq.read_buf);
872         }
873 
874         /* stop vbi capture */
875         if (res_check(fh, RESOURCE_VBI)) {
876                 videobuf_stop(&fh->vbiq);
877                 res_free(dev,fh,RESOURCE_VBI);
878         }
879 
880         videobuf_mmap_free(&fh->vidq);
881         videobuf_mmap_free(&fh->vbiq);
882 
883         mutex_lock(&dev->core->lock);
884         v4l2_fh_del(&fh->fh);
885         v4l2_fh_exit(&fh->fh);
886         file->private_data = NULL;
887         kfree(fh);
888 
889         dev->core->users--;
890         if (!dev->core->users)
891                 call_all(dev->core, core, s_power, 0);
892         mutex_unlock(&dev->core->lock);
893 
894         return 0;
895 }
896 
897 static int
898 video_mmap(struct file *file, struct vm_area_struct * vma)
899 {
900         return videobuf_mmap_mapper(get_queue(file), vma);
901 }
902 
903 /* ------------------------------------------------------------------ */
904 /* VIDEO CTRL IOCTLS                                                  */
905 
906 static int cx8800_s_vid_ctrl(struct v4l2_ctrl *ctrl)
907 {
908         struct cx88_core *core =
909                 container_of(ctrl->handler, struct cx88_core, video_hdl);
910         const struct cx88_ctrl *cc = ctrl->priv;
911         u32 value, mask;
912 
913         mask = cc->mask;
914         switch (ctrl->id) {
915         case V4L2_CID_SATURATION:
916                 /* special v_sat handling */
917 
918                 value = ((ctrl->val - cc->off) << cc->shift) & cc->mask;
919 
920                 if (core->tvnorm & V4L2_STD_SECAM) {
921                         /* For SECAM, both U and V sat should be equal */
922                         value = value << 8 | value;
923                 } else {
924                         /* Keeps U Saturation proportional to V Sat */
925                         value = (value * 0x5a) / 0x7f << 8 | value;
926                 }
927                 mask = 0xffff;
928                 break;
929         case V4L2_CID_SHARPNESS:
930                 /* 0b000, 0b100, 0b101, 0b110, or 0b111 */
931                 value = (ctrl->val < 1 ? 0 : ((ctrl->val + 3) << 7));
932                 /* needs to be set for both fields */
933                 cx_andor(MO_FILTER_EVEN, mask, value);
934                 break;
935         case V4L2_CID_CHROMA_AGC:
936                 value = ((ctrl->val - cc->off) << cc->shift) & cc->mask;
937                 break;
938         default:
939                 value = ((ctrl->val - cc->off) << cc->shift) & cc->mask;
940                 break;
941         }
942         dprintk(1, "set_control id=0x%X(%s) ctrl=0x%02x, reg=0x%02x val=0x%02x (mask 0x%02x)%s\n",
943                                 ctrl->id, ctrl->name, ctrl->val, cc->reg, value,
944                                 mask, cc->sreg ? " [shadowed]" : "");
945         if (cc->sreg)
946                 cx_sandor(cc->sreg, cc->reg, mask, value);
947         else
948                 cx_andor(cc->reg, mask, value);
949         return 0;
950 }
951 
952 static int cx8800_s_aud_ctrl(struct v4l2_ctrl *ctrl)
953 {
954         struct cx88_core *core =
955                 container_of(ctrl->handler, struct cx88_core, audio_hdl);
956         const struct cx88_ctrl *cc = ctrl->priv;
957         u32 value,mask;
958 
959         /* Pass changes onto any WM8775 */
960         if (core->sd_wm8775) {
961                 switch (ctrl->id) {
962                 case V4L2_CID_AUDIO_MUTE:
963                         wm8775_s_ctrl(core, ctrl->id, ctrl->val);
964                         break;
965                 case V4L2_CID_AUDIO_VOLUME:
966                         wm8775_s_ctrl(core, ctrl->id, (ctrl->val) ?
967                                                 (0x90 + ctrl->val) << 8 : 0);
968                         break;
969                 case V4L2_CID_AUDIO_BALANCE:
970                         wm8775_s_ctrl(core, ctrl->id, ctrl->val << 9);
971                         break;
972                 default:
973                         break;
974                 }
975         }
976 
977         mask = cc->mask;
978         switch (ctrl->id) {
979         case V4L2_CID_AUDIO_BALANCE:
980                 value = (ctrl->val < 0x40) ? (0x7f - ctrl->val) : (ctrl->val - 0x40);
981                 break;
982         case V4L2_CID_AUDIO_VOLUME:
983                 value = 0x3f - (ctrl->val & 0x3f);
984                 break;
985         default:
986                 value = ((ctrl->val - cc->off) << cc->shift) & cc->mask;
987                 break;
988         }
989         dprintk(1,"set_control id=0x%X(%s) ctrl=0x%02x, reg=0x%02x val=0x%02x (mask 0x%02x)%s\n",
990                                 ctrl->id, ctrl->name, ctrl->val, cc->reg, value,
991                                 mask, cc->sreg ? " [shadowed]" : "");
992         if (cc->sreg)
993                 cx_sandor(cc->sreg, cc->reg, mask, value);
994         else
995                 cx_andor(cc->reg, mask, value);
996         return 0;
997 }
998 
999 /* ------------------------------------------------------------------ */
1000 /* VIDEO IOCTLS                                                       */
1001 
1002 static int vidioc_g_fmt_vid_cap(struct file *file, void *priv,
1003                                         struct v4l2_format *f)
1004 {
1005         struct cx8800_fh  *fh   = priv;
1006         struct cx8800_dev *dev = fh->dev;
1007 
1008         f->fmt.pix.width        = dev->width;
1009         f->fmt.pix.height       = dev->height;
1010         f->fmt.pix.field        = fh->vidq.field;
1011         f->fmt.pix.pixelformat  = dev->fmt->fourcc;
1012         f->fmt.pix.bytesperline =
1013                 (f->fmt.pix.width * dev->fmt->depth) >> 3;
1014         f->fmt.pix.sizeimage =
1015                 f->fmt.pix.height * f->fmt.pix.bytesperline;
1016         f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M;
1017         return 0;
1018 }
1019 
1020 static int vidioc_try_fmt_vid_cap(struct file *file, void *priv,
1021                         struct v4l2_format *f)
1022 {
1023         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1024         const struct cx8800_fmt *fmt;
1025         enum v4l2_field   field;
1026         unsigned int      maxw, maxh;
1027 
1028         fmt = format_by_fourcc(f->fmt.pix.pixelformat);
1029         if (NULL == fmt)
1030                 return -EINVAL;
1031 
1032         field = f->fmt.pix.field;
1033         maxw  = norm_maxw(core->tvnorm);
1034         maxh  = norm_maxh(core->tvnorm);
1035 
1036         if (V4L2_FIELD_ANY == field) {
1037                 field = (f->fmt.pix.height > maxh/2)
1038                         ? V4L2_FIELD_INTERLACED
1039                         : V4L2_FIELD_BOTTOM;
1040         }
1041 
1042         switch (field) {
1043         case V4L2_FIELD_TOP:
1044         case V4L2_FIELD_BOTTOM:
1045                 maxh = maxh / 2;
1046                 break;
1047         case V4L2_FIELD_INTERLACED:
1048                 break;
1049         default:
1050                 return -EINVAL;
1051         }
1052 
1053         f->fmt.pix.field = field;
1054         v4l_bound_align_image(&f->fmt.pix.width, 48, maxw, 2,
1055                               &f->fmt.pix.height, 32, maxh, 0, 0);
1056         f->fmt.pix.bytesperline =
1057                 (f->fmt.pix.width * fmt->depth) >> 3;
1058         f->fmt.pix.sizeimage =
1059                 f->fmt.pix.height * f->fmt.pix.bytesperline;
1060 
1061         return 0;
1062 }
1063 
1064 static int vidioc_s_fmt_vid_cap(struct file *file, void *priv,
1065                                         struct v4l2_format *f)
1066 {
1067         struct cx8800_fh  *fh   = priv;
1068         struct cx8800_dev *dev = fh->dev;
1069         int err = vidioc_try_fmt_vid_cap (file,priv,f);
1070 
1071         if (0 != err)
1072                 return err;
1073         dev->fmt        = format_by_fourcc(f->fmt.pix.pixelformat);
1074         dev->width      = f->fmt.pix.width;
1075         dev->height     = f->fmt.pix.height;
1076         fh->vidq.field = f->fmt.pix.field;
1077         return 0;
1078 }
1079 
1080 void cx88_querycap(struct file *file, struct cx88_core *core,
1081                 struct v4l2_capability *cap)
1082 {
1083         struct video_device *vdev = video_devdata(file);
1084 
1085         strlcpy(cap->card, core->board.name, sizeof(cap->card));
1086         cap->device_caps = V4L2_CAP_READWRITE | V4L2_CAP_STREAMING;
1087         if (UNSET != core->board.tuner_type)
1088                 cap->device_caps |= V4L2_CAP_TUNER;
1089         switch (vdev->vfl_type) {
1090         case VFL_TYPE_RADIO:
1091                 cap->device_caps = V4L2_CAP_RADIO | V4L2_CAP_TUNER;
1092                 break;
1093         case VFL_TYPE_GRABBER:
1094                 cap->device_caps |= V4L2_CAP_VIDEO_CAPTURE;
1095                 break;
1096         case VFL_TYPE_VBI:
1097                 cap->device_caps |= V4L2_CAP_VBI_CAPTURE;
1098                 break;
1099         }
1100         cap->capabilities = cap->device_caps | V4L2_CAP_VIDEO_CAPTURE |
1101                 V4L2_CAP_VBI_CAPTURE | V4L2_CAP_DEVICE_CAPS;
1102         if (core->board.radio.type == CX88_RADIO)
1103                 cap->capabilities |= V4L2_CAP_RADIO;
1104 }
1105 EXPORT_SYMBOL(cx88_querycap);
1106 
1107 static int vidioc_querycap(struct file *file, void  *priv,
1108                                         struct v4l2_capability *cap)
1109 {
1110         struct cx8800_dev *dev  = ((struct cx8800_fh *)priv)->dev;
1111         struct cx88_core  *core = dev->core;
1112 
1113         strcpy(cap->driver, "cx8800");
1114         sprintf(cap->bus_info, "PCI:%s", pci_name(dev->pci));
1115         cx88_querycap(file, core, cap);
1116         return 0;
1117 }
1118 
1119 static int vidioc_enum_fmt_vid_cap (struct file *file, void  *priv,
1120                                         struct v4l2_fmtdesc *f)
1121 {
1122         if (unlikely(f->index >= ARRAY_SIZE(formats)))
1123                 return -EINVAL;
1124 
1125         strlcpy(f->description,formats[f->index].name,sizeof(f->description));
1126         f->pixelformat = formats[f->index].fourcc;
1127 
1128         return 0;
1129 }
1130 
1131 static int vidioc_reqbufs (struct file *file, void *priv, struct v4l2_requestbuffers *p)
1132 {
1133         return videobuf_reqbufs(get_queue(file), p);
1134 }
1135 
1136 static int vidioc_querybuf (struct file *file, void *priv, struct v4l2_buffer *p)
1137 {
1138         return videobuf_querybuf(get_queue(file), p);
1139 }
1140 
1141 static int vidioc_qbuf (struct file *file, void *priv, struct v4l2_buffer *p)
1142 {
1143         return videobuf_qbuf(get_queue(file), p);
1144 }
1145 
1146 static int vidioc_dqbuf (struct file *file, void *priv, struct v4l2_buffer *p)
1147 {
1148         return videobuf_dqbuf(get_queue(file), p,
1149                                 file->f_flags & O_NONBLOCK);
1150 }
1151 
1152 static int vidioc_streamon(struct file *file, void *priv, enum v4l2_buf_type i)
1153 {
1154         struct video_device *vdev = video_devdata(file);
1155         struct cx8800_fh  *fh   = priv;
1156         struct cx8800_dev *dev  = fh->dev;
1157 
1158         if ((vdev->vfl_type == VFL_TYPE_GRABBER && i != V4L2_BUF_TYPE_VIDEO_CAPTURE) ||
1159             (vdev->vfl_type == VFL_TYPE_VBI && i != V4L2_BUF_TYPE_VBI_CAPTURE))
1160                 return -EINVAL;
1161 
1162         if (unlikely(!res_get(dev, fh, get_resource(file))))
1163                 return -EBUSY;
1164         return videobuf_streamon(get_queue(file));
1165 }
1166 
1167 static int vidioc_streamoff(struct file *file, void *priv, enum v4l2_buf_type i)
1168 {
1169         struct video_device *vdev = video_devdata(file);
1170         struct cx8800_fh  *fh   = priv;
1171         struct cx8800_dev *dev  = fh->dev;
1172         int               err, res;
1173 
1174         if ((vdev->vfl_type == VFL_TYPE_GRABBER && i != V4L2_BUF_TYPE_VIDEO_CAPTURE) ||
1175             (vdev->vfl_type == VFL_TYPE_VBI && i != V4L2_BUF_TYPE_VBI_CAPTURE))
1176                 return -EINVAL;
1177 
1178         res = get_resource(file);
1179         err = videobuf_streamoff(get_queue(file));
1180         if (err < 0)
1181                 return err;
1182         res_free(dev,fh,res);
1183         return 0;
1184 }
1185 
1186 static int vidioc_g_std(struct file *file, void *priv, v4l2_std_id *tvnorm)
1187 {
1188         struct cx88_core *core = ((struct cx8800_fh *)priv)->dev->core;
1189 
1190         *tvnorm = core->tvnorm;
1191         return 0;
1192 }
1193 
1194 static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id tvnorms)
1195 {
1196         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1197 
1198         mutex_lock(&core->lock);
1199         cx88_set_tvnorm(core, tvnorms);
1200         mutex_unlock(&core->lock);
1201 
1202         return 0;
1203 }
1204 
1205 /* only one input in this sample driver */
1206 int cx88_enum_input (struct cx88_core  *core,struct v4l2_input *i)
1207 {
1208         static const char * const iname[] = {
1209                 [ CX88_VMUX_COMPOSITE1 ] = "Composite1",
1210                 [ CX88_VMUX_COMPOSITE2 ] = "Composite2",
1211                 [ CX88_VMUX_COMPOSITE3 ] = "Composite3",
1212                 [ CX88_VMUX_COMPOSITE4 ] = "Composite4",
1213                 [ CX88_VMUX_SVIDEO     ] = "S-Video",
1214                 [ CX88_VMUX_TELEVISION ] = "Television",
1215                 [ CX88_VMUX_CABLE      ] = "Cable TV",
1216                 [ CX88_VMUX_DVB        ] = "DVB",
1217                 [ CX88_VMUX_DEBUG      ] = "for debug only",
1218         };
1219         unsigned int n = i->index;
1220 
1221         if (n >= 4)
1222                 return -EINVAL;
1223         if (0 == INPUT(n).type)
1224                 return -EINVAL;
1225         i->type  = V4L2_INPUT_TYPE_CAMERA;
1226         strcpy(i->name,iname[INPUT(n).type]);
1227         if ((CX88_VMUX_TELEVISION == INPUT(n).type) ||
1228             (CX88_VMUX_CABLE      == INPUT(n).type)) {
1229                 i->type = V4L2_INPUT_TYPE_TUNER;
1230         }
1231         i->std = CX88_NORMS;
1232         return 0;
1233 }
1234 EXPORT_SYMBOL(cx88_enum_input);
1235 
1236 static int vidioc_enum_input (struct file *file, void *priv,
1237                                 struct v4l2_input *i)
1238 {
1239         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1240         return cx88_enum_input (core,i);
1241 }
1242 
1243 static int vidioc_g_input (struct file *file, void *priv, unsigned int *i)
1244 {
1245         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1246 
1247         *i = core->input;
1248         return 0;
1249 }
1250 
1251 static int vidioc_s_input (struct file *file, void *priv, unsigned int i)
1252 {
1253         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1254 
1255         if (i >= 4)
1256                 return -EINVAL;
1257         if (0 == INPUT(i).type)
1258                 return -EINVAL;
1259 
1260         mutex_lock(&core->lock);
1261         cx88_newstation(core);
1262         cx88_video_mux(core,i);
1263         mutex_unlock(&core->lock);
1264         return 0;
1265 }
1266 
1267 static int vidioc_g_tuner (struct file *file, void *priv,
1268                                 struct v4l2_tuner *t)
1269 {
1270         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1271         u32 reg;
1272 
1273         if (unlikely(UNSET == core->board.tuner_type))
1274                 return -EINVAL;
1275         if (0 != t->index)
1276                 return -EINVAL;
1277 
1278         strcpy(t->name, "Television");
1279         t->capability = V4L2_TUNER_CAP_NORM;
1280         t->rangehigh  = 0xffffffffUL;
1281         call_all(core, tuner, g_tuner, t);
1282 
1283         cx88_get_stereo(core ,t);
1284         reg = cx_read(MO_DEVICE_STATUS);
1285         t->signal = (reg & (1<<5)) ? 0xffff : 0x0000;
1286         return 0;
1287 }
1288 
1289 static int vidioc_s_tuner (struct file *file, void *priv,
1290                                 const struct v4l2_tuner *t)
1291 {
1292         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1293 
1294         if (UNSET == core->board.tuner_type)
1295                 return -EINVAL;
1296         if (0 != t->index)
1297                 return -EINVAL;
1298 
1299         cx88_set_stereo(core, t->audmode, 1);
1300         return 0;
1301 }
1302 
1303 static int vidioc_g_frequency (struct file *file, void *priv,
1304                                 struct v4l2_frequency *f)
1305 {
1306         struct cx8800_fh  *fh   = priv;
1307         struct cx88_core  *core = fh->dev->core;
1308 
1309         if (unlikely(UNSET == core->board.tuner_type))
1310                 return -EINVAL;
1311         if (f->tuner)
1312                 return -EINVAL;
1313 
1314         f->frequency = core->freq;
1315 
1316         call_all(core, tuner, g_frequency, f);
1317 
1318         return 0;
1319 }
1320 
1321 int cx88_set_freq (struct cx88_core  *core,
1322                                 const struct v4l2_frequency *f)
1323 {
1324         struct v4l2_frequency new_freq = *f;
1325 
1326         if (unlikely(UNSET == core->board.tuner_type))
1327                 return -EINVAL;
1328         if (unlikely(f->tuner != 0))
1329                 return -EINVAL;
1330 
1331         mutex_lock(&core->lock);
1332         cx88_newstation(core);
1333         call_all(core, tuner, s_frequency, f);
1334         call_all(core, tuner, g_frequency, &new_freq);
1335         core->freq = new_freq.frequency;
1336 
1337         /* When changing channels it is required to reset TVAUDIO */
1338         msleep (10);
1339         cx88_set_tvaudio(core);
1340 
1341         mutex_unlock(&core->lock);
1342 
1343         return 0;
1344 }
1345 EXPORT_SYMBOL(cx88_set_freq);
1346 
1347 static int vidioc_s_frequency (struct file *file, void *priv,
1348                                 const struct v4l2_frequency *f)
1349 {
1350         struct cx8800_fh  *fh   = priv;
1351         struct cx88_core  *core = fh->dev->core;
1352 
1353         return cx88_set_freq(core, f);
1354 }
1355 
1356 #ifdef CONFIG_VIDEO_ADV_DEBUG
1357 static int vidioc_g_register (struct file *file, void *fh,
1358                                 struct v4l2_dbg_register *reg)
1359 {
1360         struct cx88_core *core = ((struct cx8800_fh*)fh)->dev->core;
1361 
1362         /* cx2388x has a 24-bit register space */
1363         reg->val = cx_read(reg->reg & 0xfffffc);
1364         reg->size = 4;
1365         return 0;
1366 }
1367 
1368 static int vidioc_s_register (struct file *file, void *fh,
1369                                 const struct v4l2_dbg_register *reg)
1370 {
1371         struct cx88_core *core = ((struct cx8800_fh*)fh)->dev->core;
1372 
1373         cx_write(reg->reg & 0xfffffc, reg->val);
1374         return 0;
1375 }
1376 #endif
1377 
1378 /* ----------------------------------------------------------- */
1379 /* RADIO ESPECIFIC IOCTLS                                      */
1380 /* ----------------------------------------------------------- */
1381 
1382 static int radio_g_tuner (struct file *file, void *priv,
1383                                 struct v4l2_tuner *t)
1384 {
1385         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1386 
1387         if (unlikely(t->index > 0))
1388                 return -EINVAL;
1389 
1390         strcpy(t->name, "Radio");
1391 
1392         call_all(core, tuner, g_tuner, t);
1393         return 0;
1394 }
1395 
1396 static int radio_s_tuner (struct file *file, void *priv,
1397                                 const struct v4l2_tuner *t)
1398 {
1399         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1400 
1401         if (0 != t->index)
1402                 return -EINVAL;
1403 
1404         call_all(core, tuner, s_tuner, t);
1405         return 0;
1406 }
1407 
1408 /* ----------------------------------------------------------- */
1409 
1410 static void cx8800_vid_timeout(unsigned long data)
1411 {
1412         struct cx8800_dev *dev = (struct cx8800_dev*)data;
1413         struct cx88_core *core = dev->core;
1414         struct cx88_dmaqueue *q = &dev->vidq;
1415         struct cx88_buffer *buf;
1416         unsigned long flags;
1417 
1418         cx88_sram_channel_dump(core, &cx88_sram_channels[SRAM_CH21]);
1419 
1420         cx_clear(MO_VID_DMACNTRL, 0x11);
1421         cx_clear(VID_CAPTURE_CONTROL, 0x06);
1422 
1423         spin_lock_irqsave(&dev->slock,flags);
1424         while (!list_empty(&q->active)) {
1425                 buf = list_entry(q->active.next, struct cx88_buffer, vb.queue);
1426                 list_del(&buf->vb.queue);
1427                 buf->vb.state = VIDEOBUF_ERROR;
1428                 wake_up(&buf->vb.done);
1429                 printk("%s/0: [%p/%d] timeout - dma=0x%08lx\n", core->name,
1430                        buf, buf->vb.i, (unsigned long)buf->risc.dma);
1431         }
1432         restart_video_queue(dev,q);
1433         spin_unlock_irqrestore(&dev->slock,flags);
1434 }
1435 
1436 static const char *cx88_vid_irqs[32] = {
1437         "y_risci1", "u_risci1", "v_risci1", "vbi_risc1",
1438         "y_risci2", "u_risci2", "v_risci2", "vbi_risc2",
1439         "y_oflow",  "u_oflow",  "v_oflow",  "vbi_oflow",
1440         "y_sync",   "u_sync",   "v_sync",   "vbi_sync",
1441         "opc_err",  "par_err",  "rip_err",  "pci_abort",
1442 };
1443 
1444 static void cx8800_vid_irq(struct cx8800_dev *dev)
1445 {
1446         struct cx88_core *core = dev->core;
1447         u32 status, mask, count;
1448 
1449         status = cx_read(MO_VID_INTSTAT);
1450         mask   = cx_read(MO_VID_INTMSK);
1451         if (0 == (status & mask))
1452                 return;
1453         cx_write(MO_VID_INTSTAT, status);
1454         if (irq_debug  ||  (status & mask & ~0xff))
1455                 cx88_print_irqbits(core->name, "irq vid",
1456                                    cx88_vid_irqs, ARRAY_SIZE(cx88_vid_irqs),
1457                                    status, mask);
1458 
1459         /* risc op code error */
1460         if (status & (1 << 16)) {
1461                 printk(KERN_WARNING "%s/0: video risc op code error\n",core->name);
1462                 cx_clear(MO_VID_DMACNTRL, 0x11);
1463                 cx_clear(VID_CAPTURE_CONTROL, 0x06);
1464                 cx88_sram_channel_dump(core, &cx88_sram_channels[SRAM_CH21]);
1465         }
1466 
1467         /* risc1 y */
1468         if (status & 0x01) {
1469                 spin_lock(&dev->slock);
1470                 count = cx_read(MO_VIDY_GPCNT);
1471                 cx88_wakeup(core, &dev->vidq, count);
1472                 spin_unlock(&dev->slock);
1473         }
1474 
1475         /* risc1 vbi */
1476         if (status & 0x08) {
1477                 spin_lock(&dev->slock);
1478                 count = cx_read(MO_VBI_GPCNT);
1479                 cx88_wakeup(core, &dev->vbiq, count);
1480                 spin_unlock(&dev->slock);
1481         }
1482 
1483         /* risc2 y */
1484         if (status & 0x10) {
1485                 dprintk(2,"stopper video\n");
1486                 spin_lock(&dev->slock);
1487                 restart_video_queue(dev,&dev->vidq);
1488                 spin_unlock(&dev->slock);
1489         }
1490 
1491         /* risc2 vbi */
1492         if (status & 0x80) {
1493                 dprintk(2,"stopper vbi\n");
1494                 spin_lock(&dev->slock);
1495                 cx8800_restart_vbi_queue(dev,&dev->vbiq);
1496                 spin_unlock(&dev->slock);
1497         }
1498 }
1499 
1500 static irqreturn_t cx8800_irq(int irq, void *dev_id)
1501 {
1502         struct cx8800_dev *dev = dev_id;
1503         struct cx88_core *core = dev->core;
1504         u32 status;
1505         int loop, handled = 0;
1506 
1507         for (loop = 0; loop < 10; loop++) {
1508                 status = cx_read(MO_PCI_INTSTAT) &
1509                         (core->pci_irqmask | PCI_INT_VIDINT);
1510                 if (0 == status)
1511                         goto out;
1512                 cx_write(MO_PCI_INTSTAT, status);
1513                 handled = 1;
1514 
1515                 if (status & core->pci_irqmask)
1516                         cx88_core_irq(core,status);
1517                 if (status & PCI_INT_VIDINT)
1518                         cx8800_vid_irq(dev);
1519         }
1520         if (10 == loop) {
1521                 printk(KERN_WARNING "%s/0: irq loop -- clearing mask\n",
1522                        core->name);
1523                 cx_write(MO_PCI_INTMSK,0);
1524         }
1525 
1526  out:
1527         return IRQ_RETVAL(handled);
1528 }
1529 
1530 /* ----------------------------------------------------------- */
1531 /* exported stuff                                              */
1532 
1533 static const struct v4l2_file_operations video_fops =
1534 {
1535         .owner         = THIS_MODULE,
1536         .open          = video_open,
1537         .release       = video_release,
1538         .read          = video_read,
1539         .poll          = video_poll,
1540         .mmap          = video_mmap,
1541         .unlocked_ioctl = video_ioctl2,
1542 };
1543 
1544 static const struct v4l2_ioctl_ops video_ioctl_ops = {
1545         .vidioc_querycap      = vidioc_querycap,
1546         .vidioc_enum_fmt_vid_cap  = vidioc_enum_fmt_vid_cap,
1547         .vidioc_g_fmt_vid_cap     = vidioc_g_fmt_vid_cap,
1548         .vidioc_try_fmt_vid_cap   = vidioc_try_fmt_vid_cap,
1549         .vidioc_s_fmt_vid_cap     = vidioc_s_fmt_vid_cap,
1550         .vidioc_reqbufs       = vidioc_reqbufs,
1551         .vidioc_querybuf      = vidioc_querybuf,
1552         .vidioc_qbuf          = vidioc_qbuf,
1553         .vidioc_dqbuf         = vidioc_dqbuf,
1554         .vidioc_g_std         = vidioc_g_std,
1555         .vidioc_s_std         = vidioc_s_std,
1556         .vidioc_enum_input    = vidioc_enum_input,
1557         .vidioc_g_input       = vidioc_g_input,
1558         .vidioc_s_input       = vidioc_s_input,
1559         .vidioc_streamon      = vidioc_streamon,
1560         .vidioc_streamoff     = vidioc_streamoff,
1561         .vidioc_g_tuner       = vidioc_g_tuner,
1562         .vidioc_s_tuner       = vidioc_s_tuner,
1563         .vidioc_g_frequency   = vidioc_g_frequency,
1564         .vidioc_s_frequency   = vidioc_s_frequency,
1565         .vidioc_subscribe_event      = v4l2_ctrl_subscribe_event,
1566         .vidioc_unsubscribe_event    = v4l2_event_unsubscribe,
1567 #ifdef CONFIG_VIDEO_ADV_DEBUG
1568         .vidioc_g_register    = vidioc_g_register,
1569         .vidioc_s_register    = vidioc_s_register,
1570 #endif
1571 };
1572 
1573 static const struct video_device cx8800_video_template = {
1574         .name                 = "cx8800-video",
1575         .fops                 = &video_fops,
1576         .ioctl_ops            = &video_ioctl_ops,
1577         .tvnorms              = CX88_NORMS,
1578 };
1579 
1580 static const struct v4l2_ioctl_ops vbi_ioctl_ops = {
1581         .vidioc_querycap      = vidioc_querycap,
1582         .vidioc_g_fmt_vbi_cap     = cx8800_vbi_fmt,
1583         .vidioc_try_fmt_vbi_cap   = cx8800_vbi_fmt,
1584         .vidioc_s_fmt_vbi_cap     = cx8800_vbi_fmt,
1585         .vidioc_reqbufs       = vidioc_reqbufs,
1586         .vidioc_querybuf      = vidioc_querybuf,
1587         .vidioc_qbuf          = vidioc_qbuf,
1588         .vidioc_dqbuf         = vidioc_dqbuf,
1589         .vidioc_g_std         = vidioc_g_std,
1590         .vidioc_s_std         = vidioc_s_std,
1591         .vidioc_enum_input    = vidioc_enum_input,
1592         .vidioc_g_input       = vidioc_g_input,
1593         .vidioc_s_input       = vidioc_s_input,
1594         .vidioc_streamon      = vidioc_streamon,
1595         .vidioc_streamoff     = vidioc_streamoff,
1596         .vidioc_g_tuner       = vidioc_g_tuner,
1597         .vidioc_s_tuner       = vidioc_s_tuner,
1598         .vidioc_g_frequency   = vidioc_g_frequency,
1599         .vidioc_s_frequency   = vidioc_s_frequency,
1600 #ifdef CONFIG_VIDEO_ADV_DEBUG
1601         .vidioc_g_register    = vidioc_g_register,
1602         .vidioc_s_register    = vidioc_s_register,
1603 #endif
1604 };
1605 
1606 static const struct video_device cx8800_vbi_template = {
1607         .name                 = "cx8800-vbi",
1608         .fops                 = &video_fops,
1609         .ioctl_ops            = &vbi_ioctl_ops,
1610         .tvnorms              = CX88_NORMS,
1611 };
1612 
1613 static const struct v4l2_file_operations radio_fops =
1614 {
1615         .owner         = THIS_MODULE,
1616         .open          = video_open,
1617         .poll          = v4l2_ctrl_poll,
1618         .release       = video_release,
1619         .unlocked_ioctl = video_ioctl2,
1620 };
1621 
1622 static const struct v4l2_ioctl_ops radio_ioctl_ops = {
1623         .vidioc_querycap      = vidioc_querycap,
1624         .vidioc_g_tuner       = radio_g_tuner,
1625         .vidioc_s_tuner       = radio_s_tuner,
1626         .vidioc_g_frequency   = vidioc_g_frequency,
1627         .vidioc_s_frequency   = vidioc_s_frequency,
1628         .vidioc_subscribe_event      = v4l2_ctrl_subscribe_event,
1629         .vidioc_unsubscribe_event    = v4l2_event_unsubscribe,
1630 #ifdef CONFIG_VIDEO_ADV_DEBUG
1631         .vidioc_g_register    = vidioc_g_register,
1632         .vidioc_s_register    = vidioc_s_register,
1633 #endif
1634 };
1635 
1636 static const struct video_device cx8800_radio_template = {
1637         .name                 = "cx8800-radio",
1638         .fops                 = &radio_fops,
1639         .ioctl_ops            = &radio_ioctl_ops,
1640 };
1641 
1642 static const struct v4l2_ctrl_ops cx8800_ctrl_vid_ops = {
1643         .s_ctrl = cx8800_s_vid_ctrl,
1644 };
1645 
1646 static const struct v4l2_ctrl_ops cx8800_ctrl_aud_ops = {
1647         .s_ctrl = cx8800_s_aud_ctrl,
1648 };
1649 
1650 /* ----------------------------------------------------------- */
1651 
1652 static void cx8800_unregister_video(struct cx8800_dev *dev)
1653 {
1654         if (dev->radio_dev) {
1655                 if (video_is_registered(dev->radio_dev))
1656                         video_unregister_device(dev->radio_dev);
1657                 else
1658                         video_device_release(dev->radio_dev);
1659                 dev->radio_dev = NULL;
1660         }
1661         if (dev->vbi_dev) {
1662                 if (video_is_registered(dev->vbi_dev))
1663                         video_unregister_device(dev->vbi_dev);
1664                 else
1665                         video_device_release(dev->vbi_dev);
1666                 dev->vbi_dev = NULL;
1667         }
1668         if (dev->video_dev) {
1669                 if (video_is_registered(dev->video_dev))
1670                         video_unregister_device(dev->video_dev);
1671                 else
1672                         video_device_release(dev->video_dev);
1673                 dev->video_dev = NULL;
1674         }
1675 }
1676 
1677 static int cx8800_initdev(struct pci_dev *pci_dev,
1678                           const struct pci_device_id *pci_id)
1679 {
1680         struct cx8800_dev *dev;
1681         struct cx88_core *core;
1682         int err;
1683         int i;
1684 
1685         dev = kzalloc(sizeof(*dev),GFP_KERNEL);
1686         if (NULL == dev)
1687                 return -ENOMEM;
1688 
1689         /* pci init */
1690         dev->pci = pci_dev;
1691         if (pci_enable_device(pci_dev)) {
1692                 err = -EIO;
1693                 goto fail_free;
1694         }
1695         core = cx88_core_get(dev->pci);
1696         if (NULL == core) {
1697                 err = -EINVAL;
1698                 goto fail_free;
1699         }
1700         dev->core = core;
1701 
1702         /* print pci info */
1703         dev->pci_rev = pci_dev->revision;
1704         pci_read_config_byte(pci_dev, PCI_LATENCY_TIMER,  &dev->pci_lat);
1705         printk(KERN_INFO "%s/0: found at %s, rev: %d, irq: %d, "
1706                "latency: %d, mmio: 0x%llx\n", core->name,
1707                pci_name(pci_dev), dev->pci_rev, pci_dev->irq,
1708                dev->pci_lat,(unsigned long long)pci_resource_start(pci_dev,0));
1709 
1710         pci_set_master(pci_dev);
1711         if (!pci_dma_supported(pci_dev,DMA_BIT_MASK(32))) {
1712                 printk("%s/0: Oops: no 32bit PCI DMA ???\n",core->name);
1713                 err = -EIO;
1714                 goto fail_core;
1715         }
1716 
1717         /* initialize driver struct */
1718         spin_lock_init(&dev->slock);
1719         core->tvnorm = V4L2_STD_NTSC_M;
1720 
1721         /* init video dma queues */
1722         INIT_LIST_HEAD(&dev->vidq.active);
1723         INIT_LIST_HEAD(&dev->vidq.queued);
1724         dev->vidq.timeout.function = cx8800_vid_timeout;
1725         dev->vidq.timeout.data     = (unsigned long)dev;
1726         init_timer(&dev->vidq.timeout);
1727         cx88_risc_stopper(dev->pci,&dev->vidq.stopper,
1728                           MO_VID_DMACNTRL,0x11,0x00);
1729 
1730         /* init vbi dma queues */
1731         INIT_LIST_HEAD(&dev->vbiq.active);
1732         INIT_LIST_HEAD(&dev->vbiq.queued);
1733         dev->vbiq.timeout.function = cx8800_vbi_timeout;
1734         dev->vbiq.timeout.data     = (unsigned long)dev;
1735         init_timer(&dev->vbiq.timeout);
1736         cx88_risc_stopper(dev->pci,&dev->vbiq.stopper,
1737                           MO_VID_DMACNTRL,0x88,0x00);
1738 
1739         /* get irq */
1740         err = request_irq(pci_dev->irq, cx8800_irq,
1741                           IRQF_SHARED, core->name, dev);
1742         if (err < 0) {
1743                 printk(KERN_ERR "%s/0: can't get IRQ %d\n",
1744                        core->name,pci_dev->irq);
1745                 goto fail_core;
1746         }
1747         cx_set(MO_PCI_INTMSK, core->pci_irqmask);
1748 
1749         for (i = 0; i < CX8800_AUD_CTLS; i++) {
1750                 const struct cx88_ctrl *cc = &cx8800_aud_ctls[i];
1751                 struct v4l2_ctrl *vc;
1752 
1753                 vc = v4l2_ctrl_new_std(&core->audio_hdl, &cx8800_ctrl_aud_ops,
1754                         cc->id, cc->minimum, cc->maximum, cc->step, cc->default_value);
1755                 if (vc == NULL) {
1756                         err = core->audio_hdl.error;
1757                         goto fail_core;
1758                 }
1759                 vc->priv = (void *)cc;
1760         }
1761 
1762         for (i = 0; i < CX8800_VID_CTLS; i++) {
1763                 const struct cx88_ctrl *cc = &cx8800_vid_ctls[i];
1764                 struct v4l2_ctrl *vc;
1765 
1766                 vc = v4l2_ctrl_new_std(&core->video_hdl, &cx8800_ctrl_vid_ops,
1767                         cc->id, cc->minimum, cc->maximum, cc->step, cc->default_value);
1768                 if (vc == NULL) {
1769                         err = core->video_hdl.error;
1770                         goto fail_core;
1771                 }
1772                 vc->priv = (void *)cc;
1773                 if (vc->id == V4L2_CID_CHROMA_AGC)
1774                         core->chroma_agc = vc;
1775         }
1776         v4l2_ctrl_add_handler(&core->video_hdl, &core->audio_hdl, NULL);
1777 
1778         /* load and configure helper modules */
1779 
1780         if (core->board.audio_chip == CX88_AUDIO_WM8775) {
1781                 struct i2c_board_info wm8775_info = {
1782                         .type = "wm8775",
1783                         .addr = 0x36 >> 1,
1784                         .platform_data = &core->wm8775_data,
1785                 };
1786                 struct v4l2_subdev *sd;
1787 
1788                 if (core->boardnr == CX88_BOARD_HAUPPAUGE_NOVASPLUS_S1)
1789                         core->wm8775_data.is_nova_s = true;
1790                 else
1791                         core->wm8775_data.is_nova_s = false;
1792 
1793                 sd = v4l2_i2c_new_subdev_board(&core->v4l2_dev, &core->i2c_adap,
1794                                 &wm8775_info, NULL);
1795                 if (sd != NULL) {
1796                         core->sd_wm8775 = sd;
1797                         sd->grp_id = WM8775_GID;
1798                 }
1799         }
1800 
1801         if (core->board.audio_chip == CX88_AUDIO_TVAUDIO) {
1802                 /* This probes for a tda9874 as is used on some
1803                    Pixelview Ultra boards. */
1804                 v4l2_i2c_new_subdev(&core->v4l2_dev, &core->i2c_adap,
1805                                 "tvaudio", 0, I2C_ADDRS(0xb0 >> 1));
1806         }
1807 
1808         switch (core->boardnr) {
1809         case CX88_BOARD_DVICO_FUSIONHDTV_5_GOLD:
1810         case CX88_BOARD_DVICO_FUSIONHDTV_7_GOLD: {
1811                 static const struct i2c_board_info rtc_info = {
1812                         I2C_BOARD_INFO("isl1208", 0x6f)
1813                 };
1814 
1815                 request_module("rtc-isl1208");
1816                 core->i2c_rtc = i2c_new_device(&core->i2c_adap, &rtc_info);
1817         }
1818                 /* break intentionally omitted */
1819         case CX88_BOARD_DVICO_FUSIONHDTV_5_PCI_NANO:
1820                 request_module("ir-kbd-i2c");
1821         }
1822 
1823         /* Sets device info at pci_dev */
1824         pci_set_drvdata(pci_dev, dev);
1825 
1826         dev->width   = 320;
1827         dev->height  = 240;
1828         dev->fmt     = format_by_fourcc(V4L2_PIX_FMT_BGR24);
1829 
1830         /* initial device configuration */
1831         mutex_lock(&core->lock);
1832         cx88_set_tvnorm(core, core->tvnorm);
1833         v4l2_ctrl_handler_setup(&core->video_hdl);
1834         v4l2_ctrl_handler_setup(&core->audio_hdl);
1835         cx88_video_mux(core, 0);
1836 
1837         /* register v4l devices */
1838         dev->video_dev = cx88_vdev_init(core,dev->pci,
1839                                         &cx8800_video_template,"video");
1840         video_set_drvdata(dev->video_dev, dev);
1841         dev->video_dev->ctrl_handler = &core->video_hdl;
1842         err = video_register_device(dev->video_dev,VFL_TYPE_GRABBER,
1843                                     video_nr[core->nr]);
1844         if (err < 0) {
1845                 printk(KERN_ERR "%s/0: can't register video device\n",
1846                        core->name);
1847                 goto fail_unreg;
1848         }
1849         printk(KERN_INFO "%s/0: registered device %s [v4l2]\n",
1850                core->name, video_device_node_name(dev->video_dev));
1851 
1852         dev->vbi_dev = cx88_vdev_init(core,dev->pci,&cx8800_vbi_template,"vbi");
1853         video_set_drvdata(dev->vbi_dev, dev);
1854         err = video_register_device(dev->vbi_dev,VFL_TYPE_VBI,
1855                                     vbi_nr[core->nr]);
1856         if (err < 0) {
1857                 printk(KERN_ERR "%s/0: can't register vbi device\n",
1858                        core->name);
1859                 goto fail_unreg;
1860         }
1861         printk(KERN_INFO "%s/0: registered device %s\n",
1862                core->name, video_device_node_name(dev->vbi_dev));
1863 
1864         if (core->board.radio.type == CX88_RADIO) {
1865                 dev->radio_dev = cx88_vdev_init(core,dev->pci,
1866                                                 &cx8800_radio_template,"radio");
1867                 video_set_drvdata(dev->radio_dev, dev);
1868                 dev->radio_dev->ctrl_handler = &core->audio_hdl;
1869                 err = video_register_device(dev->radio_dev,VFL_TYPE_RADIO,
1870                                             radio_nr[core->nr]);
1871                 if (err < 0) {
1872                         printk(KERN_ERR "%s/0: can't register radio device\n",
1873                                core->name);
1874                         goto fail_unreg;
1875                 }
1876                 printk(KERN_INFO "%s/0: registered device %s\n",
1877                        core->name, video_device_node_name(dev->radio_dev));
1878         }
1879 
1880         /* start tvaudio thread */
1881         if (core->board.tuner_type != TUNER_ABSENT) {
1882                 core->kthread = kthread_run(cx88_audio_thread, core, "cx88 tvaudio");
1883                 if (IS_ERR(core->kthread)) {
1884                         err = PTR_ERR(core->kthread);
1885                         printk(KERN_ERR "%s/0: failed to create cx88 audio thread, err=%d\n",
1886                                core->name, err);
1887                 }
1888         }
1889         mutex_unlock(&core->lock);
1890 
1891         return 0;
1892 
1893 fail_unreg:
1894         cx8800_unregister_video(dev);
1895         free_irq(pci_dev->irq, dev);
1896         mutex_unlock(&core->lock);
1897 fail_core:
1898         cx88_core_put(core,dev->pci);
1899 fail_free:
1900         kfree(dev);
1901         return err;
1902 }
1903 
1904 static void cx8800_finidev(struct pci_dev *pci_dev)
1905 {
1906         struct cx8800_dev *dev = pci_get_drvdata(pci_dev);
1907         struct cx88_core *core = dev->core;
1908 
1909         /* stop thread */
1910         if (core->kthread) {
1911                 kthread_stop(core->kthread);
1912                 core->kthread = NULL;
1913         }
1914 
1915         if (core->ir)
1916                 cx88_ir_stop(core);
1917 
1918         cx88_shutdown(core); /* FIXME */
1919         pci_disable_device(pci_dev);
1920 
1921         /* unregister stuff */
1922 
1923         free_irq(pci_dev->irq, dev);
1924         cx8800_unregister_video(dev);
1925 
1926         /* free memory */
1927         btcx_riscmem_free(dev->pci,&dev->vidq.stopper);
1928         cx88_core_put(core,dev->pci);
1929         kfree(dev);
1930 }
1931 
1932 #ifdef CONFIG_PM
1933 static int cx8800_suspend(struct pci_dev *pci_dev, pm_message_t state)
1934 {
1935         struct cx8800_dev *dev = pci_get_drvdata(pci_dev);
1936         struct cx88_core *core = dev->core;
1937         unsigned long flags;
1938 
1939         /* stop video+vbi capture */
1940         spin_lock_irqsave(&dev->slock, flags);
1941         if (!list_empty(&dev->vidq.active)) {
1942                 printk("%s/0: suspend video\n", core->name);
1943                 stop_video_dma(dev);
1944                 del_timer(&dev->vidq.timeout);
1945         }
1946         if (!list_empty(&dev->vbiq.active)) {
1947                 printk("%s/0: suspend vbi\n", core->name);
1948                 cx8800_stop_vbi_dma(dev);
1949                 del_timer(&dev->vbiq.timeout);
1950         }
1951         spin_unlock_irqrestore(&dev->slock, flags);
1952 
1953         if (core->ir)
1954                 cx88_ir_stop(core);
1955         /* FIXME -- shutdown device */
1956         cx88_shutdown(core);
1957 
1958         pci_save_state(pci_dev);
1959         if (0 != pci_set_power_state(pci_dev, pci_choose_state(pci_dev, state))) {
1960                 pci_disable_device(pci_dev);
1961                 dev->state.disabled = 1;
1962         }
1963         return 0;
1964 }
1965 
1966 static int cx8800_resume(struct pci_dev *pci_dev)
1967 {
1968         struct cx8800_dev *dev = pci_get_drvdata(pci_dev);
1969         struct cx88_core *core = dev->core;
1970         unsigned long flags;
1971         int err;
1972 
1973         if (dev->state.disabled) {
1974                 err=pci_enable_device(pci_dev);
1975                 if (err) {
1976                         printk(KERN_ERR "%s/0: can't enable device\n",
1977                                core->name);
1978                         return err;
1979                 }
1980 
1981                 dev->state.disabled = 0;
1982         }
1983         err= pci_set_power_state(pci_dev, PCI_D0);
1984         if (err) {
1985                 printk(KERN_ERR "%s/0: can't set power state\n", core->name);
1986                 pci_disable_device(pci_dev);
1987                 dev->state.disabled = 1;
1988 
1989                 return err;
1990         }
1991         pci_restore_state(pci_dev);
1992 
1993         /* FIXME: re-initialize hardware */
1994         cx88_reset(core);
1995         if (core->ir)
1996                 cx88_ir_start(core);
1997 
1998         cx_set(MO_PCI_INTMSK, core->pci_irqmask);
1999 
2000         /* restart video+vbi capture */
2001         spin_lock_irqsave(&dev->slock, flags);
2002         if (!list_empty(&dev->vidq.active)) {
2003                 printk("%s/0: resume video\n", core->name);
2004                 restart_video_queue(dev,&dev->vidq);
2005         }
2006         if (!list_empty(&dev->vbiq.active)) {
2007                 printk("%s/0: resume vbi\n", core->name);
2008                 cx8800_restart_vbi_queue(dev,&dev->vbiq);
2009         }
2010         spin_unlock_irqrestore(&dev->slock, flags);
2011 
2012         return 0;
2013 }
2014 #endif
2015 
2016 /* ----------------------------------------------------------- */
2017 
2018 static const struct pci_device_id cx8800_pci_tbl[] = {
2019         {
2020                 .vendor       = 0x14f1,
2021                 .device       = 0x8800,
2022                 .subvendor    = PCI_ANY_ID,
2023                 .subdevice    = PCI_ANY_ID,
2024         },{
2025                 /* --- end of list --- */
2026         }
2027 };
2028 MODULE_DEVICE_TABLE(pci, cx8800_pci_tbl);
2029 
2030 static struct pci_driver cx8800_pci_driver = {
2031         .name     = "cx8800",
2032         .id_table = cx8800_pci_tbl,
2033         .probe    = cx8800_initdev,
2034         .remove   = cx8800_finidev,
2035 #ifdef CONFIG_PM
2036         .suspend  = cx8800_suspend,
2037         .resume   = cx8800_resume,
2038 #endif
2039 };
2040 
2041 module_pci_driver(cx8800_pci_driver);
2042 

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