V4L/DVB (6334): cx88: Change (struct cx8802_dev)->drvlist to a list_head and fix...
[linux-2.6] / drivers / media / video / cx88 / cx88-video.c
1 /*
2  *
3  * device driver for Conexant 2388x based TV cards
4  * video4linux video interface
5  *
6  * (c) 2003-04 Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]
7  *
8  * (c) 2005-2006 Mauro Carvalho Chehab <mchehab@infradead.org>
9  *      - Multituner support
10  *      - video_ioctl2 conversion
11  *      - PAL/M fixes
12  *
13  *  This program is free software; you can redistribute it and/or modify
14  *  it under the terms of the GNU General Public License as published by
15  *  the Free Software Foundation; either version 2 of the License, or
16  *  (at your option) any later version.
17  *
18  *  This program is distributed in the hope that it will be useful,
19  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
20  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
21  *  GNU General Public License for more details.
22  *
23  *  You should have received a copy of the GNU General Public License
24  *  along with this program; if not, write to the Free Software
25  *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
26  */
27
28 #include <linux/init.h>
29 #include <linux/list.h>
30 #include <linux/module.h>
31 #include <linux/kmod.h>
32 #include <linux/kernel.h>
33 #include <linux/slab.h>
34 #include <linux/interrupt.h>
35 #include <linux/dma-mapping.h>
36 #include <linux/delay.h>
37 #include <linux/kthread.h>
38 #include <asm/div64.h>
39
40 #include "cx88.h"
41 #include <media/v4l2-common.h>
42
43 #ifdef CONFIG_VIDEO_V4L1_COMPAT
44 /* Include V4L1 specific functions. Should be removed soon */
45 #include <linux/videodev.h>
46 #endif
47
48 MODULE_DESCRIPTION("v4l2 driver module for cx2388x based TV cards");
49 MODULE_AUTHOR("Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]");
50 MODULE_LICENSE("GPL");
51
52 /* ------------------------------------------------------------------ */
53
54 static unsigned int video_nr[] = {[0 ... (CX88_MAXBOARDS - 1)] = UNSET };
55 static unsigned int vbi_nr[]   = {[0 ... (CX88_MAXBOARDS - 1)] = UNSET };
56 static unsigned int radio_nr[] = {[0 ... (CX88_MAXBOARDS - 1)] = UNSET };
57
58 module_param_array(video_nr, int, NULL, 0444);
59 module_param_array(vbi_nr,   int, NULL, 0444);
60 module_param_array(radio_nr, int, NULL, 0444);
61
62 MODULE_PARM_DESC(video_nr,"video device numbers");
63 MODULE_PARM_DESC(vbi_nr,"vbi device numbers");
64 MODULE_PARM_DESC(radio_nr,"radio device numbers");
65
66 static unsigned int video_debug = 0;
67 module_param(video_debug,int,0644);
68 MODULE_PARM_DESC(video_debug,"enable debug messages [video]");
69
70 static unsigned int irq_debug = 0;
71 module_param(irq_debug,int,0644);
72 MODULE_PARM_DESC(irq_debug,"enable debug messages [IRQ handler]");
73
74 static unsigned int vid_limit = 16;
75 module_param(vid_limit,int,0644);
76 MODULE_PARM_DESC(vid_limit,"capture memory limit in megabytes");
77
78 #define dprintk(level,fmt, arg...)      if (video_debug >= level) \
79         printk(KERN_DEBUG "%s/0: " fmt, core->name , ## arg)
80
81 /* ------------------------------------------------------------------ */
82
83 static LIST_HEAD(cx8800_devlist);
84
85 /* ------------------------------------------------------------------- */
86 /* static data                                                         */
87
88 static struct cx8800_fmt formats[] = {
89         {
90                 .name     = "8 bpp, gray",
91                 .fourcc   = V4L2_PIX_FMT_GREY,
92                 .cxformat = ColorFormatY8,
93                 .depth    = 8,
94                 .flags    = FORMAT_FLAGS_PACKED,
95         },{
96                 .name     = "15 bpp RGB, le",
97                 .fourcc   = V4L2_PIX_FMT_RGB555,
98                 .cxformat = ColorFormatRGB15,
99                 .depth    = 16,
100                 .flags    = FORMAT_FLAGS_PACKED,
101         },{
102                 .name     = "15 bpp RGB, be",
103                 .fourcc   = V4L2_PIX_FMT_RGB555X,
104                 .cxformat = ColorFormatRGB15 | ColorFormatBSWAP,
105                 .depth    = 16,
106                 .flags    = FORMAT_FLAGS_PACKED,
107         },{
108                 .name     = "16 bpp RGB, le",
109                 .fourcc   = V4L2_PIX_FMT_RGB565,
110                 .cxformat = ColorFormatRGB16,
111                 .depth    = 16,
112                 .flags    = FORMAT_FLAGS_PACKED,
113         },{
114                 .name     = "16 bpp RGB, be",
115                 .fourcc   = V4L2_PIX_FMT_RGB565X,
116                 .cxformat = ColorFormatRGB16 | ColorFormatBSWAP,
117                 .depth    = 16,
118                 .flags    = FORMAT_FLAGS_PACKED,
119         },{
120                 .name     = "24 bpp RGB, le",
121                 .fourcc   = V4L2_PIX_FMT_BGR24,
122                 .cxformat = ColorFormatRGB24,
123                 .depth    = 24,
124                 .flags    = FORMAT_FLAGS_PACKED,
125         },{
126                 .name     = "32 bpp RGB, le",
127                 .fourcc   = V4L2_PIX_FMT_BGR32,
128                 .cxformat = ColorFormatRGB32,
129                 .depth    = 32,
130                 .flags    = FORMAT_FLAGS_PACKED,
131         },{
132                 .name     = "32 bpp RGB, be",
133                 .fourcc   = V4L2_PIX_FMT_RGB32,
134                 .cxformat = ColorFormatRGB32 | ColorFormatBSWAP | ColorFormatWSWAP,
135                 .depth    = 32,
136                 .flags    = FORMAT_FLAGS_PACKED,
137         },{
138                 .name     = "4:2:2, packed, YUYV",
139                 .fourcc   = V4L2_PIX_FMT_YUYV,
140                 .cxformat = ColorFormatYUY2,
141                 .depth    = 16,
142                 .flags    = FORMAT_FLAGS_PACKED,
143         },{
144                 .name     = "4:2:2, packed, UYVY",
145                 .fourcc   = V4L2_PIX_FMT_UYVY,
146                 .cxformat = ColorFormatYUY2 | ColorFormatBSWAP,
147                 .depth    = 16,
148                 .flags    = FORMAT_FLAGS_PACKED,
149         },
150 };
151
152 static struct cx8800_fmt* format_by_fourcc(unsigned int fourcc)
153 {
154         unsigned int i;
155
156         for (i = 0; i < ARRAY_SIZE(formats); i++)
157                 if (formats[i].fourcc == fourcc)
158                         return formats+i;
159         return NULL;
160 }
161
162 /* ------------------------------------------------------------------- */
163
164 static const struct v4l2_queryctrl no_ctl = {
165         .name  = "42",
166         .flags = V4L2_CTRL_FLAG_DISABLED,
167 };
168
169 static struct cx88_ctrl cx8800_ctls[] = {
170         /* --- video --- */
171         {
172                 .v = {
173                         .id            = V4L2_CID_BRIGHTNESS,
174                         .name          = "Brightness",
175                         .minimum       = 0x00,
176                         .maximum       = 0xff,
177                         .step          = 1,
178                         .default_value = 0x7f,
179                         .type          = V4L2_CTRL_TYPE_INTEGER,
180                 },
181                 .off                   = 128,
182                 .reg                   = MO_CONTR_BRIGHT,
183                 .mask                  = 0x00ff,
184                 .shift                 = 0,
185         },{
186                 .v = {
187                         .id            = V4L2_CID_CONTRAST,
188                         .name          = "Contrast",
189                         .minimum       = 0,
190                         .maximum       = 0xff,
191                         .step          = 1,
192                         .default_value = 0x3f,
193                         .type          = V4L2_CTRL_TYPE_INTEGER,
194                 },
195                 .off                   = 0,
196                 .reg                   = MO_CONTR_BRIGHT,
197                 .mask                  = 0xff00,
198                 .shift                 = 8,
199         },{
200                 .v = {
201                         .id            = V4L2_CID_HUE,
202                         .name          = "Hue",
203                         .minimum       = 0,
204                         .maximum       = 0xff,
205                         .step          = 1,
206                         .default_value = 0x7f,
207                         .type          = V4L2_CTRL_TYPE_INTEGER,
208                 },
209                 .off                   = 128,
210                 .reg                   = MO_HUE,
211                 .mask                  = 0x00ff,
212                 .shift                 = 0,
213         },{
214                 /* strictly, this only describes only U saturation.
215                  * V saturation is handled specially through code.
216                  */
217                 .v = {
218                         .id            = V4L2_CID_SATURATION,
219                         .name          = "Saturation",
220                         .minimum       = 0,
221                         .maximum       = 0xff,
222                         .step          = 1,
223                         .default_value = 0x7f,
224                         .type          = V4L2_CTRL_TYPE_INTEGER,
225                 },
226                 .off                   = 0,
227                 .reg                   = MO_UV_SATURATION,
228                 .mask                  = 0x00ff,
229                 .shift                 = 0,
230         },{
231         /* --- audio --- */
232                 .v = {
233                         .id            = V4L2_CID_AUDIO_MUTE,
234                         .name          = "Mute",
235                         .minimum       = 0,
236                         .maximum       = 1,
237                         .default_value = 1,
238                         .type          = V4L2_CTRL_TYPE_BOOLEAN,
239                 },
240                 .reg                   = AUD_VOL_CTL,
241                 .sreg                  = SHADOW_AUD_VOL_CTL,
242                 .mask                  = (1 << 6),
243                 .shift                 = 6,
244         },{
245                 .v = {
246                         .id            = V4L2_CID_AUDIO_VOLUME,
247                         .name          = "Volume",
248                         .minimum       = 0,
249                         .maximum       = 0x3f,
250                         .step          = 1,
251                         .default_value = 0x3f,
252                         .type          = V4L2_CTRL_TYPE_INTEGER,
253                 },
254                 .reg                   = AUD_VOL_CTL,
255                 .sreg                  = SHADOW_AUD_VOL_CTL,
256                 .mask                  = 0x3f,
257                 .shift                 = 0,
258         },{
259                 .v = {
260                         .id            = V4L2_CID_AUDIO_BALANCE,
261                         .name          = "Balance",
262                         .minimum       = 0,
263                         .maximum       = 0x7f,
264                         .step          = 1,
265                         .default_value = 0x40,
266                         .type          = V4L2_CTRL_TYPE_INTEGER,
267                 },
268                 .reg                   = AUD_BAL_CTL,
269                 .sreg                  = SHADOW_AUD_BAL_CTL,
270                 .mask                  = 0x7f,
271                 .shift                 = 0,
272         }
273 };
274 static const int CX8800_CTLS = ARRAY_SIZE(cx8800_ctls);
275
276 const u32 cx88_user_ctrls[] = {
277         V4L2_CID_USER_CLASS,
278         V4L2_CID_BRIGHTNESS,
279         V4L2_CID_CONTRAST,
280         V4L2_CID_SATURATION,
281         V4L2_CID_HUE,
282         V4L2_CID_AUDIO_VOLUME,
283         V4L2_CID_AUDIO_BALANCE,
284         V4L2_CID_AUDIO_MUTE,
285         0
286 };
287 EXPORT_SYMBOL(cx88_user_ctrls);
288
289 static const u32 *ctrl_classes[] = {
290         cx88_user_ctrls,
291         NULL
292 };
293
294 int cx8800_ctrl_query(struct v4l2_queryctrl *qctrl)
295 {
296         int i;
297
298         if (qctrl->id < V4L2_CID_BASE ||
299             qctrl->id >= V4L2_CID_LASTP1)
300                 return -EINVAL;
301         for (i = 0; i < CX8800_CTLS; i++)
302                 if (cx8800_ctls[i].v.id == qctrl->id)
303                         break;
304         if (i == CX8800_CTLS) {
305                 *qctrl = no_ctl;
306                 return 0;
307         }
308         *qctrl = cx8800_ctls[i].v;
309         return 0;
310 }
311 EXPORT_SYMBOL(cx8800_ctrl_query);
312
313 /* ------------------------------------------------------------------- */
314 /* resource management                                                 */
315
316 static int res_get(struct cx8800_dev *dev, struct cx8800_fh *fh, unsigned int bit)
317 {
318         struct cx88_core *core = dev->core;
319         if (fh->resources & bit)
320                 /* have it already allocated */
321                 return 1;
322
323         /* is it free? */
324         mutex_lock(&core->lock);
325         if (dev->resources & bit) {
326                 /* no, someone else uses it */
327                 mutex_unlock(&core->lock);
328                 return 0;
329         }
330         /* it's free, grab it */
331         fh->resources  |= bit;
332         dev->resources |= bit;
333         dprintk(1,"res: get %d\n",bit);
334         mutex_unlock(&core->lock);
335         return 1;
336 }
337
338 static
339 int res_check(struct cx8800_fh *fh, unsigned int bit)
340 {
341         return (fh->resources & bit);
342 }
343
344 static
345 int res_locked(struct cx8800_dev *dev, unsigned int bit)
346 {
347         return (dev->resources & bit);
348 }
349
350 static
351 void res_free(struct cx8800_dev *dev, struct cx8800_fh *fh, unsigned int bits)
352 {
353         struct cx88_core *core = dev->core;
354         BUG_ON((fh->resources & bits) != bits);
355
356         mutex_lock(&core->lock);
357         fh->resources  &= ~bits;
358         dev->resources &= ~bits;
359         dprintk(1,"res: put %d\n",bits);
360         mutex_unlock(&core->lock);
361 }
362
363 /* ------------------------------------------------------------------ */
364
365 int cx88_video_mux(struct cx88_core *core, unsigned int input)
366 {
367         /* struct cx88_core *core = dev->core; */
368
369         dprintk(1,"video_mux: %d [vmux=%d,gpio=0x%x,0x%x,0x%x,0x%x]\n",
370                 input, INPUT(input).vmux,
371                 INPUT(input).gpio0,INPUT(input).gpio1,
372                 INPUT(input).gpio2,INPUT(input).gpio3);
373         core->input = input;
374         cx_andor(MO_INPUT_FORMAT, 0x03 << 14, INPUT(input).vmux << 14);
375         cx_write(MO_GP3_IO, INPUT(input).gpio3);
376         cx_write(MO_GP0_IO, INPUT(input).gpio0);
377         cx_write(MO_GP1_IO, INPUT(input).gpio1);
378         cx_write(MO_GP2_IO, INPUT(input).gpio2);
379
380         switch (INPUT(input).type) {
381         case CX88_VMUX_SVIDEO:
382                 cx_set(MO_AFECFG_IO,    0x00000001);
383                 cx_set(MO_INPUT_FORMAT, 0x00010010);
384                 cx_set(MO_FILTER_EVEN,  0x00002020);
385                 cx_set(MO_FILTER_ODD,   0x00002020);
386                 break;
387         default:
388                 cx_clear(MO_AFECFG_IO,    0x00000001);
389                 cx_clear(MO_INPUT_FORMAT, 0x00010010);
390                 cx_clear(MO_FILTER_EVEN,  0x00002020);
391                 cx_clear(MO_FILTER_ODD,   0x00002020);
392                 break;
393         }
394
395         if (core->board.mpeg & CX88_MPEG_BLACKBIRD) {
396                 /* sets sound input from external adc */
397                 if (INPUT(input).extadc)
398                         cx_set(AUD_CTL, EN_I2SIN_ENABLE);
399                 else
400                         cx_clear(AUD_CTL, EN_I2SIN_ENABLE);
401         }
402         return 0;
403 }
404 EXPORT_SYMBOL(cx88_video_mux);
405
406 /* ------------------------------------------------------------------ */
407
408 static int start_video_dma(struct cx8800_dev    *dev,
409                            struct cx88_dmaqueue *q,
410                            struct cx88_buffer   *buf)
411 {
412         struct cx88_core *core = dev->core;
413
414         /* setup fifo + format */
415         cx88_sram_channel_setup(core, &cx88_sram_channels[SRAM_CH21],
416                                 buf->bpl, buf->risc.dma);
417         cx88_set_scale(core, buf->vb.width, buf->vb.height, buf->vb.field);
418         cx_write(MO_COLOR_CTRL, buf->fmt->cxformat | ColorFormatGamma);
419
420         /* reset counter */
421         cx_write(MO_VIDY_GPCNTRL,GP_COUNT_CONTROL_RESET);
422         q->count = 1;
423
424         /* enable irqs */
425         cx_set(MO_PCI_INTMSK, core->pci_irqmask | PCI_INT_VIDINT);
426
427         /* Enables corresponding bits at PCI_INT_STAT:
428                 bits 0 to 4: video, audio, transport stream, VIP, Host
429                 bit 7: timer
430                 bits 8 and 9: DMA complete for: SRC, DST
431                 bits 10 and 11: BERR signal asserted for RISC: RD, WR
432                 bits 12 to 15: BERR signal asserted for: BRDG, SRC, DST, IPB
433          */
434         cx_set(MO_VID_INTMSK, 0x0f0011);
435
436         /* enable capture */
437         cx_set(VID_CAPTURE_CONTROL,0x06);
438
439         /* start dma */
440         cx_set(MO_DEV_CNTRL2, (1<<5));
441         cx_set(MO_VID_DMACNTRL, 0x11); /* Planar Y and packed FIFO and RISC enable */
442
443         return 0;
444 }
445
446 #ifdef CONFIG_PM
447 static int stop_video_dma(struct cx8800_dev    *dev)
448 {
449         struct cx88_core *core = dev->core;
450
451         /* stop dma */
452         cx_clear(MO_VID_DMACNTRL, 0x11);
453
454         /* disable capture */
455         cx_clear(VID_CAPTURE_CONTROL,0x06);
456
457         /* disable irqs */
458         cx_clear(MO_PCI_INTMSK, PCI_INT_VIDINT);
459         cx_clear(MO_VID_INTMSK, 0x0f0011);
460         return 0;
461 }
462 #endif
463
464 static int restart_video_queue(struct cx8800_dev    *dev,
465                                struct cx88_dmaqueue *q)
466 {
467         struct cx88_core *core = dev->core;
468         struct cx88_buffer *buf, *prev;
469
470         if (!list_empty(&q->active)) {
471                 buf = list_entry(q->active.next, struct cx88_buffer, vb.queue);
472                 dprintk(2,"restart_queue [%p/%d]: restart dma\n",
473                         buf, buf->vb.i);
474                 start_video_dma(dev, q, buf);
475                 list_for_each_entry(buf, &q->active, vb.queue)
476                         buf->count = q->count++;
477                 mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT);
478                 return 0;
479         }
480
481         prev = NULL;
482         for (;;) {
483                 if (list_empty(&q->queued))
484                         return 0;
485                 buf = list_entry(q->queued.next, struct cx88_buffer, vb.queue);
486                 if (NULL == prev) {
487                         list_move_tail(&buf->vb.queue, &q->active);
488                         start_video_dma(dev, q, buf);
489                         buf->vb.state = STATE_ACTIVE;
490                         buf->count    = q->count++;
491                         mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT);
492                         dprintk(2,"[%p/%d] restart_queue - first active\n",
493                                 buf,buf->vb.i);
494
495                 } else if (prev->vb.width  == buf->vb.width  &&
496                            prev->vb.height == buf->vb.height &&
497                            prev->fmt       == buf->fmt) {
498                         list_move_tail(&buf->vb.queue, &q->active);
499                         buf->vb.state = STATE_ACTIVE;
500                         buf->count    = q->count++;
501                         prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma);
502                         dprintk(2,"[%p/%d] restart_queue - move to active\n",
503                                 buf,buf->vb.i);
504                 } else {
505                         return 0;
506                 }
507                 prev = buf;
508         }
509 }
510
511 /* ------------------------------------------------------------------ */
512
513 static int
514 buffer_setup(struct videobuf_queue *q, unsigned int *count, unsigned int *size)
515 {
516         struct cx8800_fh *fh = q->priv_data;
517
518         *size = fh->fmt->depth*fh->width*fh->height >> 3;
519         if (0 == *count)
520                 *count = 32;
521         while (*size * *count > vid_limit * 1024 * 1024)
522                 (*count)--;
523         return 0;
524 }
525
526 static int
527 buffer_prepare(struct videobuf_queue *q, struct videobuf_buffer *vb,
528                enum v4l2_field field)
529 {
530         struct cx8800_fh   *fh  = q->priv_data;
531         struct cx8800_dev  *dev = fh->dev;
532         struct cx88_core *core = dev->core;
533         struct cx88_buffer *buf = container_of(vb,struct cx88_buffer,vb);
534         struct videobuf_dmabuf *dma=videobuf_to_dma(&buf->vb);
535         int rc, init_buffer = 0;
536
537         BUG_ON(NULL == fh->fmt);
538         if (fh->width  < 48 || fh->width  > norm_maxw(core->tvnorm) ||
539             fh->height < 32 || fh->height > norm_maxh(core->tvnorm))
540                 return -EINVAL;
541         buf->vb.size = (fh->width * fh->height * fh->fmt->depth) >> 3;
542         if (0 != buf->vb.baddr  &&  buf->vb.bsize < buf->vb.size)
543                 return -EINVAL;
544
545         if (buf->fmt       != fh->fmt    ||
546             buf->vb.width  != fh->width  ||
547             buf->vb.height != fh->height ||
548             buf->vb.field  != field) {
549                 buf->fmt       = fh->fmt;
550                 buf->vb.width  = fh->width;
551                 buf->vb.height = fh->height;
552                 buf->vb.field  = field;
553                 init_buffer = 1;
554         }
555
556         if (STATE_NEEDS_INIT == buf->vb.state) {
557                 init_buffer = 1;
558                 if (0 != (rc = videobuf_iolock(q,&buf->vb,NULL)))
559                         goto fail;
560         }
561
562         if (init_buffer) {
563                 buf->bpl = buf->vb.width * buf->fmt->depth >> 3;
564                 switch (buf->vb.field) {
565                 case V4L2_FIELD_TOP:
566                         cx88_risc_buffer(dev->pci, &buf->risc,
567                                          dma->sglist, 0, UNSET,
568                                          buf->bpl, 0, buf->vb.height);
569                         break;
570                 case V4L2_FIELD_BOTTOM:
571                         cx88_risc_buffer(dev->pci, &buf->risc,
572                                          dma->sglist, UNSET, 0,
573                                          buf->bpl, 0, buf->vb.height);
574                         break;
575                 case V4L2_FIELD_INTERLACED:
576                         cx88_risc_buffer(dev->pci, &buf->risc,
577                                          dma->sglist, 0, buf->bpl,
578                                          buf->bpl, buf->bpl,
579                                          buf->vb.height >> 1);
580                         break;
581                 case V4L2_FIELD_SEQ_TB:
582                         cx88_risc_buffer(dev->pci, &buf->risc,
583                                          dma->sglist,
584                                          0, buf->bpl * (buf->vb.height >> 1),
585                                          buf->bpl, 0,
586                                          buf->vb.height >> 1);
587                         break;
588                 case V4L2_FIELD_SEQ_BT:
589                         cx88_risc_buffer(dev->pci, &buf->risc,
590                                          dma->sglist,
591                                          buf->bpl * (buf->vb.height >> 1), 0,
592                                          buf->bpl, 0,
593                                          buf->vb.height >> 1);
594                         break;
595                 default:
596                         BUG();
597                 }
598         }
599         dprintk(2,"[%p/%d] buffer_prepare - %dx%d %dbpp \"%s\" - dma=0x%08lx\n",
600                 buf, buf->vb.i,
601                 fh->width, fh->height, fh->fmt->depth, fh->fmt->name,
602                 (unsigned long)buf->risc.dma);
603
604         buf->vb.state = STATE_PREPARED;
605         return 0;
606
607  fail:
608         cx88_free_buffer(q,buf);
609         return rc;
610 }
611
612 static void
613 buffer_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb)
614 {
615         struct cx88_buffer    *buf = container_of(vb,struct cx88_buffer,vb);
616         struct cx88_buffer    *prev;
617         struct cx8800_fh      *fh   = vq->priv_data;
618         struct cx8800_dev     *dev  = fh->dev;
619         struct cx88_core      *core = dev->core;
620         struct cx88_dmaqueue  *q    = &dev->vidq;
621
622         /* add jump to stopper */
623         buf->risc.jmp[0] = cpu_to_le32(RISC_JUMP | RISC_IRQ1 | RISC_CNT_INC);
624         buf->risc.jmp[1] = cpu_to_le32(q->stopper.dma);
625
626         if (!list_empty(&q->queued)) {
627                 list_add_tail(&buf->vb.queue,&q->queued);
628                 buf->vb.state = STATE_QUEUED;
629                 dprintk(2,"[%p/%d] buffer_queue - append to queued\n",
630                         buf, buf->vb.i);
631
632         } else if (list_empty(&q->active)) {
633                 list_add_tail(&buf->vb.queue,&q->active);
634                 start_video_dma(dev, q, buf);
635                 buf->vb.state = STATE_ACTIVE;
636                 buf->count    = q->count++;
637                 mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT);
638                 dprintk(2,"[%p/%d] buffer_queue - first active\n",
639                         buf, buf->vb.i);
640
641         } else {
642                 prev = list_entry(q->active.prev, struct cx88_buffer, vb.queue);
643                 if (prev->vb.width  == buf->vb.width  &&
644                     prev->vb.height == buf->vb.height &&
645                     prev->fmt       == buf->fmt) {
646                         list_add_tail(&buf->vb.queue,&q->active);
647                         buf->vb.state = STATE_ACTIVE;
648                         buf->count    = q->count++;
649                         prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma);
650                         dprintk(2,"[%p/%d] buffer_queue - append to active\n",
651                                 buf, buf->vb.i);
652
653                 } else {
654                         list_add_tail(&buf->vb.queue,&q->queued);
655                         buf->vb.state = STATE_QUEUED;
656                         dprintk(2,"[%p/%d] buffer_queue - first queued\n",
657                                 buf, buf->vb.i);
658                 }
659         }
660 }
661
662 static void buffer_release(struct videobuf_queue *q, struct videobuf_buffer *vb)
663 {
664         struct cx88_buffer *buf = container_of(vb,struct cx88_buffer,vb);
665
666         cx88_free_buffer(q,buf);
667 }
668
669 static struct videobuf_queue_ops cx8800_video_qops = {
670         .buf_setup    = buffer_setup,
671         .buf_prepare  = buffer_prepare,
672         .buf_queue    = buffer_queue,
673         .buf_release  = buffer_release,
674 };
675
676 /* ------------------------------------------------------------------ */
677
678
679 /* ------------------------------------------------------------------ */
680
681 static struct videobuf_queue* get_queue(struct cx8800_fh *fh)
682 {
683         switch (fh->type) {
684         case V4L2_BUF_TYPE_VIDEO_CAPTURE:
685                 return &fh->vidq;
686         case V4L2_BUF_TYPE_VBI_CAPTURE:
687                 return &fh->vbiq;
688         default:
689                 BUG();
690                 return NULL;
691         }
692 }
693
694 static int get_ressource(struct cx8800_fh *fh)
695 {
696         switch (fh->type) {
697         case V4L2_BUF_TYPE_VIDEO_CAPTURE:
698                 return RESOURCE_VIDEO;
699         case V4L2_BUF_TYPE_VBI_CAPTURE:
700                 return RESOURCE_VBI;
701         default:
702                 BUG();
703                 return 0;
704         }
705 }
706
707 static int video_open(struct inode *inode, struct file *file)
708 {
709         int minor = iminor(inode);
710         struct cx8800_dev *h,*dev = NULL;
711         struct cx88_core *core;
712         struct cx8800_fh *fh;
713         enum v4l2_buf_type type = 0;
714         int radio = 0;
715
716         list_for_each_entry(h, &cx8800_devlist, devlist) {
717                 if (h->video_dev->minor == minor) {
718                         dev  = h;
719                         type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
720                 }
721                 if (h->vbi_dev->minor == minor) {
722                         dev  = h;
723                         type = V4L2_BUF_TYPE_VBI_CAPTURE;
724                 }
725                 if (h->radio_dev &&
726                     h->radio_dev->minor == minor) {
727                         radio = 1;
728                         dev   = h;
729                 }
730         }
731         if (NULL == dev)
732                 return -ENODEV;
733
734         core = dev->core;
735
736         dprintk(1,"open minor=%d radio=%d type=%s\n",
737                 minor,radio,v4l2_type_names[type]);
738
739         /* allocate + initialize per filehandle data */
740         fh = kzalloc(sizeof(*fh),GFP_KERNEL);
741         if (NULL == fh)
742                 return -ENOMEM;
743         file->private_data = fh;
744         fh->dev      = dev;
745         fh->radio    = radio;
746         fh->type     = type;
747         fh->width    = 320;
748         fh->height   = 240;
749         fh->fmt      = format_by_fourcc(V4L2_PIX_FMT_BGR24);
750
751         videobuf_queue_pci_init(&fh->vidq, &cx8800_video_qops,
752                             dev->pci, &dev->slock,
753                             V4L2_BUF_TYPE_VIDEO_CAPTURE,
754                             V4L2_FIELD_INTERLACED,
755                             sizeof(struct cx88_buffer),
756                             fh);
757         videobuf_queue_pci_init(&fh->vbiq, &cx8800_vbi_qops,
758                             dev->pci, &dev->slock,
759                             V4L2_BUF_TYPE_VBI_CAPTURE,
760                             V4L2_FIELD_SEQ_TB,
761                             sizeof(struct cx88_buffer),
762                             fh);
763
764         if (fh->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                 core->tvaudio = WW_FM;
771                 cx88_set_tvaudio(core);
772                 cx88_set_stereo(core,V4L2_TUNER_MODE_STEREO,1);
773                 cx88_call_i2c_clients(core,AUDC_SET_RADIO,NULL);
774         }
775
776         return 0;
777 }
778
779 static ssize_t
780 video_read(struct file *file, char __user *data, size_t count, loff_t *ppos)
781 {
782         struct cx8800_fh *fh = file->private_data;
783
784         switch (fh->type) {
785         case V4L2_BUF_TYPE_VIDEO_CAPTURE:
786                 if (res_locked(fh->dev,RESOURCE_VIDEO))
787                         return -EBUSY;
788                 return videobuf_read_one(&fh->vidq, data, count, ppos,
789                                          file->f_flags & O_NONBLOCK);
790         case V4L2_BUF_TYPE_VBI_CAPTURE:
791                 if (!res_get(fh->dev,fh,RESOURCE_VBI))
792                         return -EBUSY;
793                 return videobuf_read_stream(&fh->vbiq, data, count, ppos, 1,
794                                             file->f_flags & O_NONBLOCK);
795         default:
796                 BUG();
797                 return 0;
798         }
799 }
800
801 static unsigned int
802 video_poll(struct file *file, struct poll_table_struct *wait)
803 {
804         struct cx8800_fh *fh = file->private_data;
805         struct cx88_buffer *buf;
806
807         if (V4L2_BUF_TYPE_VBI_CAPTURE == fh->type) {
808                 if (!res_get(fh->dev,fh,RESOURCE_VBI))
809                         return POLLERR;
810                 return videobuf_poll_stream(file, &fh->vbiq, wait);
811         }
812
813         if (res_check(fh,RESOURCE_VIDEO)) {
814                 /* streaming capture */
815                 if (list_empty(&fh->vidq.stream))
816                         return POLLERR;
817                 buf = list_entry(fh->vidq.stream.next,struct cx88_buffer,vb.stream);
818         } else {
819                 /* read() capture */
820                 buf = (struct cx88_buffer*)fh->vidq.read_buf;
821                 if (NULL == buf)
822                         return POLLERR;
823         }
824         poll_wait(file, &buf->vb.done, wait);
825         if (buf->vb.state == STATE_DONE ||
826             buf->vb.state == STATE_ERROR)
827                 return POLLIN|POLLRDNORM;
828         return 0;
829 }
830
831 static int video_release(struct inode *inode, struct file *file)
832 {
833         struct cx8800_fh  *fh  = file->private_data;
834         struct cx8800_dev *dev = fh->dev;
835
836         /* turn off overlay */
837         if (res_check(fh, RESOURCE_OVERLAY)) {
838                 /* FIXME */
839                 res_free(dev,fh,RESOURCE_OVERLAY);
840         }
841
842         /* stop video capture */
843         if (res_check(fh, RESOURCE_VIDEO)) {
844                 videobuf_queue_cancel(&fh->vidq);
845                 res_free(dev,fh,RESOURCE_VIDEO);
846         }
847         if (fh->vidq.read_buf) {
848                 buffer_release(&fh->vidq,fh->vidq.read_buf);
849                 kfree(fh->vidq.read_buf);
850         }
851
852         /* stop vbi capture */
853         if (res_check(fh, RESOURCE_VBI)) {
854                 if (fh->vbiq.streaming)
855                         videobuf_streamoff(&fh->vbiq);
856                 if (fh->vbiq.reading)
857                         videobuf_read_stop(&fh->vbiq);
858                 res_free(dev,fh,RESOURCE_VBI);
859         }
860
861         videobuf_mmap_free(&fh->vidq);
862         videobuf_mmap_free(&fh->vbiq);
863         file->private_data = NULL;
864         kfree(fh);
865
866         cx88_call_i2c_clients (dev->core, TUNER_SET_STANDBY, NULL);
867
868         return 0;
869 }
870
871 static int
872 video_mmap(struct file *file, struct vm_area_struct * vma)
873 {
874         struct cx8800_fh *fh = file->private_data;
875
876         return videobuf_mmap_mapper(get_queue(fh), vma);
877 }
878
879 /* ------------------------------------------------------------------ */
880 /* VIDEO CTRL IOCTLS                                                  */
881
882 int cx88_get_control (struct cx88_core  *core, struct v4l2_control *ctl)
883 {
884         struct cx88_ctrl  *c    = NULL;
885         u32 value;
886         int i;
887
888         for (i = 0; i < CX8800_CTLS; i++)
889                 if (cx8800_ctls[i].v.id == ctl->id)
890                         c = &cx8800_ctls[i];
891         if (unlikely(NULL == c))
892                 return -EINVAL;
893
894         value = c->sreg ? cx_sread(c->sreg) : cx_read(c->reg);
895         switch (ctl->id) {
896         case V4L2_CID_AUDIO_BALANCE:
897                 ctl->value = ((value & 0x7f) < 0x40) ? ((value & 0x7f) + 0x40)
898                                         : (0x7f - (value & 0x7f));
899                 break;
900         case V4L2_CID_AUDIO_VOLUME:
901                 ctl->value = 0x3f - (value & 0x3f);
902                 break;
903         default:
904                 ctl->value = ((value + (c->off << c->shift)) & c->mask) >> c->shift;
905                 break;
906         }
907         dprintk(1,"get_control id=0x%X(%s) ctrl=0x%02x, reg=0x%02x val=0x%02x (mask 0x%02x)%s\n",
908                                 ctl->id, c->v.name, ctl->value, c->reg,
909                                 value,c->mask, c->sreg ? " [shadowed]" : "");
910         return 0;
911 }
912 EXPORT_SYMBOL(cx88_get_control);
913
914 int cx88_set_control(struct cx88_core *core, struct v4l2_control *ctl)
915 {
916         struct cx88_ctrl *c = NULL;
917         u32 value,mask;
918         int i;
919
920         for (i = 0; i < CX8800_CTLS; i++) {
921                 if (cx8800_ctls[i].v.id == ctl->id) {
922                         c = &cx8800_ctls[i];
923                 }
924         }
925         if (unlikely(NULL == c))
926                 return -EINVAL;
927
928         if (ctl->value < c->v.minimum)
929                 ctl->value = c->v.minimum;
930         if (ctl->value > c->v.maximum)
931                 ctl->value = c->v.maximum;
932         mask=c->mask;
933         switch (ctl->id) {
934         case V4L2_CID_AUDIO_BALANCE:
935                 value = (ctl->value < 0x40) ? (0x7f - ctl->value) : (ctl->value - 0x40);
936                 break;
937         case V4L2_CID_AUDIO_VOLUME:
938                 value = 0x3f - (ctl->value & 0x3f);
939                 break;
940         case V4L2_CID_SATURATION:
941                 /* special v_sat handling */
942
943                 value = ((ctl->value - c->off) << c->shift) & c->mask;
944
945                 if (core->tvnorm & V4L2_STD_SECAM) {
946                         /* For SECAM, both U and V sat should be equal */
947                         value=value<<8|value;
948                 } else {
949                         /* Keeps U Saturation proportional to V Sat */
950                         value=(value*0x5a)/0x7f<<8|value;
951                 }
952                 mask=0xffff;
953                 break;
954         default:
955                 value = ((ctl->value - c->off) << c->shift) & c->mask;
956                 break;
957         }
958         dprintk(1,"set_control id=0x%X(%s) ctrl=0x%02x, reg=0x%02x val=0x%02x (mask 0x%02x)%s\n",
959                                 ctl->id, c->v.name, ctl->value, c->reg, value,
960                                 mask, c->sreg ? " [shadowed]" : "");
961         if (c->sreg) {
962                 cx_sandor(c->sreg, c->reg, mask, value);
963         } else {
964                 cx_andor(c->reg, mask, value);
965         }
966         return 0;
967 }
968 EXPORT_SYMBOL(cx88_set_control);
969
970 static void init_controls(struct cx88_core *core)
971 {
972         struct v4l2_control ctrl;
973         int i;
974
975         for (i = 0; i < CX8800_CTLS; i++) {
976                 ctrl.id=cx8800_ctls[i].v.id;
977                 ctrl.value=cx8800_ctls[i].v.default_value;
978
979                 cx88_set_control(core, &ctrl);
980         }
981 }
982
983 /* ------------------------------------------------------------------ */
984 /* VIDEO IOCTLS                                                       */
985
986 static int vidioc_g_fmt_cap (struct file *file, void *priv,
987                                         struct v4l2_format *f)
988 {
989         struct cx8800_fh  *fh   = priv;
990
991         f->fmt.pix.width        = fh->width;
992         f->fmt.pix.height       = fh->height;
993         f->fmt.pix.field        = fh->vidq.field;
994         f->fmt.pix.pixelformat  = fh->fmt->fourcc;
995         f->fmt.pix.bytesperline =
996                 (f->fmt.pix.width * fh->fmt->depth) >> 3;
997         f->fmt.pix.sizeimage =
998                 f->fmt.pix.height * f->fmt.pix.bytesperline;
999         return 0;
1000 }
1001
1002 static int vidioc_try_fmt_cap (struct file *file, void *priv,
1003                         struct v4l2_format *f)
1004 {
1005         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1006         struct cx8800_fmt *fmt;
1007         enum v4l2_field   field;
1008         unsigned int      maxw, maxh;
1009
1010         fmt = format_by_fourcc(f->fmt.pix.pixelformat);
1011         if (NULL == fmt)
1012                 return -EINVAL;
1013
1014         field = f->fmt.pix.field;
1015         maxw  = norm_maxw(core->tvnorm);
1016         maxh  = norm_maxh(core->tvnorm);
1017
1018         if (V4L2_FIELD_ANY == field) {
1019                 field = (f->fmt.pix.height > maxh/2)
1020                         ? V4L2_FIELD_INTERLACED
1021                         : V4L2_FIELD_BOTTOM;
1022         }
1023
1024         switch (field) {
1025         case V4L2_FIELD_TOP:
1026         case V4L2_FIELD_BOTTOM:
1027                 maxh = maxh / 2;
1028                 break;
1029         case V4L2_FIELD_INTERLACED:
1030                 break;
1031         default:
1032                 return -EINVAL;
1033         }
1034
1035         f->fmt.pix.field = field;
1036         if (f->fmt.pix.height < 32)
1037                 f->fmt.pix.height = 32;
1038         if (f->fmt.pix.height > maxh)
1039                 f->fmt.pix.height = maxh;
1040         if (f->fmt.pix.width < 48)
1041                 f->fmt.pix.width = 48;
1042         if (f->fmt.pix.width > maxw)
1043                 f->fmt.pix.width = maxw;
1044         f->fmt.pix.width &= ~0x03;
1045         f->fmt.pix.bytesperline =
1046                 (f->fmt.pix.width * fmt->depth) >> 3;
1047         f->fmt.pix.sizeimage =
1048                 f->fmt.pix.height * f->fmt.pix.bytesperline;
1049
1050         return 0;
1051 }
1052
1053 static int vidioc_s_fmt_cap (struct file *file, void *priv,
1054                                         struct v4l2_format *f)
1055 {
1056         struct cx8800_fh  *fh   = priv;
1057         int err = vidioc_try_fmt_cap (file,priv,f);
1058
1059         if (0 != err)
1060                 return err;
1061         fh->fmt        = format_by_fourcc(f->fmt.pix.pixelformat);
1062         fh->width      = f->fmt.pix.width;
1063         fh->height     = f->fmt.pix.height;
1064         fh->vidq.field = f->fmt.pix.field;
1065         return 0;
1066 }
1067
1068 static int vidioc_querycap (struct file *file, void  *priv,
1069                                         struct v4l2_capability *cap)
1070 {
1071         struct cx8800_dev *dev  = ((struct cx8800_fh *)priv)->dev;
1072         struct cx88_core  *core = dev->core;
1073
1074         strcpy(cap->driver, "cx8800");
1075         strlcpy(cap->card, core->board.name, sizeof(cap->card));
1076         sprintf(cap->bus_info,"PCI:%s",pci_name(dev->pci));
1077         cap->version = CX88_VERSION_CODE;
1078         cap->capabilities =
1079                 V4L2_CAP_VIDEO_CAPTURE |
1080                 V4L2_CAP_READWRITE     |
1081                 V4L2_CAP_STREAMING     |
1082                 V4L2_CAP_VBI_CAPTURE;
1083         if (UNSET != core->board.tuner_type)
1084                 cap->capabilities |= V4L2_CAP_TUNER;
1085         return 0;
1086 }
1087
1088 static int vidioc_enum_fmt_cap (struct file *file, void  *priv,
1089                                         struct v4l2_fmtdesc *f)
1090 {
1091         if (unlikely(f->index >= ARRAY_SIZE(formats)))
1092                 return -EINVAL;
1093
1094         strlcpy(f->description,formats[f->index].name,sizeof(f->description));
1095         f->pixelformat = formats[f->index].fourcc;
1096
1097         return 0;
1098 }
1099
1100 #ifdef CONFIG_VIDEO_V4L1_COMPAT
1101 static int vidiocgmbuf (struct file *file, void *priv, struct video_mbuf *mbuf)
1102 {
1103         struct cx8800_fh           *fh  = priv;
1104
1105         return videobuf_cgmbuf (get_queue(fh), mbuf, 8);
1106 }
1107 #endif
1108
1109 static int vidioc_reqbufs (struct file *file, void *priv, struct v4l2_requestbuffers *p)
1110 {
1111         struct cx8800_fh  *fh   = priv;
1112         return (videobuf_reqbufs(get_queue(fh), p));
1113 }
1114
1115 static int vidioc_querybuf (struct file *file, void *priv, struct v4l2_buffer *p)
1116 {
1117         struct cx8800_fh  *fh   = priv;
1118         return (videobuf_querybuf(get_queue(fh), p));
1119 }
1120
1121 static int vidioc_qbuf (struct file *file, void *priv, struct v4l2_buffer *p)
1122 {
1123         struct cx8800_fh  *fh   = priv;
1124         return (videobuf_qbuf(get_queue(fh), p));
1125 }
1126
1127 static int vidioc_dqbuf (struct file *file, void *priv, struct v4l2_buffer *p)
1128 {
1129         struct cx8800_fh  *fh   = priv;
1130         return (videobuf_dqbuf(get_queue(fh), p,
1131                                 file->f_flags & O_NONBLOCK));
1132 }
1133
1134 static int vidioc_streamon(struct file *file, void *priv, enum v4l2_buf_type i)
1135 {
1136         struct cx8800_fh  *fh   = priv;
1137         struct cx8800_dev *dev  = fh->dev;
1138
1139         if (unlikely(fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE))
1140                 return -EINVAL;
1141         if (unlikely(i != fh->type))
1142                 return -EINVAL;
1143
1144         if (unlikely(!res_get(dev,fh,get_ressource(fh))))
1145                 return -EBUSY;
1146         return videobuf_streamon(get_queue(fh));
1147 }
1148
1149 static int vidioc_streamoff(struct file *file, void *priv, enum v4l2_buf_type i)
1150 {
1151         struct cx8800_fh  *fh   = priv;
1152         struct cx8800_dev *dev  = fh->dev;
1153         int               err, res;
1154
1155         if (fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
1156                 return -EINVAL;
1157         if (i != fh->type)
1158                 return -EINVAL;
1159
1160         res = get_ressource(fh);
1161         err = videobuf_streamoff(get_queue(fh));
1162         if (err < 0)
1163                 return err;
1164         res_free(dev,fh,res);
1165         return 0;
1166 }
1167
1168 static int vidioc_s_std (struct file *file, void *priv, v4l2_std_id *tvnorms)
1169 {
1170         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1171
1172         mutex_lock(&core->lock);
1173         cx88_set_tvnorm(core,*tvnorms);
1174         mutex_unlock(&core->lock);
1175
1176         return 0;
1177 }
1178
1179 /* only one input in this sample driver */
1180 int cx88_enum_input (struct cx88_core  *core,struct v4l2_input *i)
1181 {
1182         static const char *iname[] = {
1183                 [ CX88_VMUX_COMPOSITE1 ] = "Composite1",
1184                 [ CX88_VMUX_COMPOSITE2 ] = "Composite2",
1185                 [ CX88_VMUX_COMPOSITE3 ] = "Composite3",
1186                 [ CX88_VMUX_COMPOSITE4 ] = "Composite4",
1187                 [ CX88_VMUX_SVIDEO     ] = "S-Video",
1188                 [ CX88_VMUX_TELEVISION ] = "Television",
1189                 [ CX88_VMUX_CABLE      ] = "Cable TV",
1190                 [ CX88_VMUX_DVB        ] = "DVB",
1191                 [ CX88_VMUX_DEBUG      ] = "for debug only",
1192         };
1193         unsigned int n;
1194
1195         n = i->index;
1196         if (n >= 4)
1197                 return -EINVAL;
1198         if (0 == INPUT(n).type)
1199                 return -EINVAL;
1200         memset(i,0,sizeof(*i));
1201         i->index = n;
1202         i->type  = V4L2_INPUT_TYPE_CAMERA;
1203         strcpy(i->name,iname[INPUT(n).type]);
1204         if ((CX88_VMUX_TELEVISION == INPUT(n).type) ||
1205             (CX88_VMUX_CABLE      == INPUT(n).type))
1206                 i->type = V4L2_INPUT_TYPE_TUNER;
1207                 i->std = CX88_NORMS;
1208         return 0;
1209 }
1210 EXPORT_SYMBOL(cx88_enum_input);
1211
1212 static int vidioc_enum_input (struct file *file, void *priv,
1213                                 struct v4l2_input *i)
1214 {
1215         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1216         return cx88_enum_input (core,i);
1217 }
1218
1219 static int vidioc_g_input (struct file *file, void *priv, unsigned int *i)
1220 {
1221         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1222
1223         *i = core->input;
1224         return 0;
1225 }
1226
1227 static int vidioc_s_input (struct file *file, void *priv, unsigned int i)
1228 {
1229         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1230
1231         if (i >= 4)
1232                 return -EINVAL;
1233
1234         mutex_lock(&core->lock);
1235         cx88_newstation(core);
1236         cx88_video_mux(core,i);
1237         mutex_unlock(&core->lock);
1238         return 0;
1239 }
1240
1241
1242
1243 static int vidioc_queryctrl (struct file *file, void *priv,
1244                                 struct v4l2_queryctrl *qctrl)
1245 {
1246         qctrl->id = v4l2_ctrl_next(ctrl_classes, qctrl->id);
1247         if (unlikely(qctrl->id == 0))
1248                 return -EINVAL;
1249         return cx8800_ctrl_query(qctrl);
1250 }
1251
1252 static int vidioc_g_ctrl (struct file *file, void *priv,
1253                                 struct v4l2_control *ctl)
1254 {
1255         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1256         return
1257                 cx88_get_control(core,ctl);
1258 }
1259
1260 static int vidioc_s_ctrl (struct file *file, void *priv,
1261                                 struct v4l2_control *ctl)
1262 {
1263         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1264         return
1265                 cx88_set_control(core,ctl);
1266 }
1267
1268 static int vidioc_g_tuner (struct file *file, void *priv,
1269                                 struct v4l2_tuner *t)
1270 {
1271         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1272         u32 reg;
1273
1274         if (unlikely(UNSET == core->board.tuner_type))
1275                 return -EINVAL;
1276         if (0 != t->index)
1277                 return -EINVAL;
1278
1279         strcpy(t->name, "Television");
1280         t->type       = V4L2_TUNER_ANALOG_TV;
1281         t->capability = V4L2_TUNER_CAP_NORM;
1282         t->rangehigh  = 0xffffffffUL;
1283
1284         cx88_get_stereo(core ,t);
1285         reg = cx_read(MO_DEVICE_STATUS);
1286         t->signal = (reg & (1<<5)) ? 0xffff : 0x0000;
1287         return 0;
1288 }
1289
1290 static int vidioc_s_tuner (struct file *file, void *priv,
1291                                 struct v4l2_tuner *t)
1292 {
1293         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1294
1295         if (UNSET == core->board.tuner_type)
1296                 return -EINVAL;
1297         if (0 != t->index)
1298                 return -EINVAL;
1299
1300         cx88_set_stereo(core, t->audmode, 1);
1301         return 0;
1302 }
1303
1304 static int vidioc_g_frequency (struct file *file, void *priv,
1305                                 struct v4l2_frequency *f)
1306 {
1307         struct cx8800_fh  *fh   = priv;
1308         struct cx88_core  *core = fh->dev->core;
1309
1310         if (unlikely(UNSET == core->board.tuner_type))
1311                 return -EINVAL;
1312
1313         /* f->type = fh->radio ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV; */
1314         f->type = fh->radio ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV;
1315         f->frequency = core->freq;
1316
1317         cx88_call_i2c_clients(core,VIDIOC_G_FREQUENCY,f);
1318
1319         return 0;
1320 }
1321
1322 int cx88_set_freq (struct cx88_core  *core,
1323                                 struct v4l2_frequency *f)
1324 {
1325         if (unlikely(UNSET == core->board.tuner_type))
1326                 return -EINVAL;
1327         if (unlikely(f->tuner != 0))
1328                 return -EINVAL;
1329
1330         mutex_lock(&core->lock);
1331         core->freq = f->frequency;
1332         cx88_newstation(core);
1333         cx88_call_i2c_clients(core,VIDIOC_S_FREQUENCY,f);
1334
1335         /* When changing channels it is required to reset TVAUDIO */
1336         msleep (10);
1337         cx88_set_tvaudio(core);
1338
1339         mutex_unlock(&core->lock);
1340
1341         return 0;
1342 }
1343 EXPORT_SYMBOL(cx88_set_freq);
1344
1345 static int vidioc_s_frequency (struct file *file, void *priv,
1346                                 struct v4l2_frequency *f)
1347 {
1348         struct cx8800_fh  *fh   = priv;
1349         struct cx88_core  *core = fh->dev->core;
1350
1351         if (unlikely(0 == fh->radio && f->type != V4L2_TUNER_ANALOG_TV))
1352                 return -EINVAL;
1353         if (unlikely(1 == fh->radio && f->type != V4L2_TUNER_RADIO))
1354                 return -EINVAL;
1355
1356         return
1357                 cx88_set_freq (core,f);
1358 }
1359
1360 #ifdef CONFIG_VIDEO_ADV_DEBUG
1361 static int vidioc_g_register (struct file *file, void *fh,
1362                                 struct v4l2_register *reg)
1363 {
1364         struct cx88_core *core = ((struct cx8800_fh*)fh)->dev->core;
1365
1366         if (!v4l2_chip_match_host(reg->match_type, reg->match_chip))
1367                 return -EINVAL;
1368         /* cx2388x has a 24-bit register space */
1369         reg->val = cx_read(reg->reg&0xffffff);
1370         return 0;
1371 }
1372
1373 static int vidioc_s_register (struct file *file, void *fh,
1374                                 struct v4l2_register *reg)
1375 {
1376         struct cx88_core *core = ((struct cx8800_fh*)fh)->dev->core;
1377
1378         if (!v4l2_chip_match_host(reg->match_type, reg->match_chip))
1379                 return -EINVAL;
1380         cx_write(reg->reg&0xffffff, reg->val);
1381         return 0;
1382 }
1383 #endif
1384
1385 /* ----------------------------------------------------------- */
1386 /* RADIO ESPECIFIC IOCTLS                                      */
1387 /* ----------------------------------------------------------- */
1388
1389 static int radio_querycap (struct file *file, void  *priv,
1390                                         struct v4l2_capability *cap)
1391 {
1392         struct cx8800_dev *dev  = ((struct cx8800_fh *)priv)->dev;
1393         struct cx88_core  *core = dev->core;
1394
1395         strcpy(cap->driver, "cx8800");
1396         strlcpy(cap->card, core->board.name, sizeof(cap->card));
1397         sprintf(cap->bus_info,"PCI:%s", pci_name(dev->pci));
1398         cap->version = CX88_VERSION_CODE;
1399         cap->capabilities = V4L2_CAP_TUNER;
1400         return 0;
1401 }
1402
1403 static int radio_g_tuner (struct file *file, void *priv,
1404                                 struct v4l2_tuner *t)
1405 {
1406         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1407
1408         if (unlikely(t->index > 0))
1409                 return -EINVAL;
1410
1411         strcpy(t->name, "Radio");
1412         t->type = V4L2_TUNER_RADIO;
1413
1414         cx88_call_i2c_clients(core,VIDIOC_G_TUNER,t);
1415         return 0;
1416 }
1417
1418 static int radio_enum_input (struct file *file, void *priv,
1419                                 struct v4l2_input *i)
1420 {
1421         if (i->index != 0)
1422                 return -EINVAL;
1423         strcpy(i->name,"Radio");
1424         i->type = V4L2_INPUT_TYPE_TUNER;
1425
1426         return 0;
1427 }
1428
1429 static int radio_g_audio (struct file *file, void *priv, struct v4l2_audio *a)
1430 {
1431         if (unlikely(a->index))
1432                 return -EINVAL;
1433
1434         memset(a,0,sizeof(*a));
1435         strcpy(a->name,"Radio");
1436         return 0;
1437 }
1438
1439 /* FIXME: Should add a standard for radio */
1440
1441 static int radio_s_tuner (struct file *file, void *priv,
1442                                 struct v4l2_tuner *t)
1443 {
1444         struct cx88_core  *core = ((struct cx8800_fh *)priv)->dev->core;
1445
1446         if (0 != t->index)
1447                 return -EINVAL;
1448
1449         cx88_call_i2c_clients(core,VIDIOC_S_TUNER,t);
1450
1451         return 0;
1452 }
1453
1454 static int radio_s_audio (struct file *file, void *fh,
1455                           struct v4l2_audio *a)
1456 {
1457         return 0;
1458 }
1459
1460 static int radio_s_input (struct file *file, void *fh, unsigned int i)
1461 {
1462         return 0;
1463 }
1464
1465 static int radio_queryctrl (struct file *file, void *priv,
1466                             struct v4l2_queryctrl *c)
1467 {
1468         int i;
1469
1470         if (c->id <  V4L2_CID_BASE ||
1471                 c->id >= V4L2_CID_LASTP1)
1472                 return -EINVAL;
1473         if (c->id == V4L2_CID_AUDIO_MUTE) {
1474                 for (i = 0; i < CX8800_CTLS; i++)
1475                         if (cx8800_ctls[i].v.id == c->id)
1476                                 break;
1477                 *c = cx8800_ctls[i].v;
1478         } else
1479                 *c = no_ctl;
1480         return 0;
1481 }
1482
1483 /* ----------------------------------------------------------- */
1484
1485 static void cx8800_vid_timeout(unsigned long data)
1486 {
1487         struct cx8800_dev *dev = (struct cx8800_dev*)data;
1488         struct cx88_core *core = dev->core;
1489         struct cx88_dmaqueue *q = &dev->vidq;
1490         struct cx88_buffer *buf;
1491         unsigned long flags;
1492
1493         cx88_sram_channel_dump(core, &cx88_sram_channels[SRAM_CH21]);
1494
1495         cx_clear(MO_VID_DMACNTRL, 0x11);
1496         cx_clear(VID_CAPTURE_CONTROL, 0x06);
1497
1498         spin_lock_irqsave(&dev->slock,flags);
1499         while (!list_empty(&q->active)) {
1500                 buf = list_entry(q->active.next, struct cx88_buffer, vb.queue);
1501                 list_del(&buf->vb.queue);
1502                 buf->vb.state = STATE_ERROR;
1503                 wake_up(&buf->vb.done);
1504                 printk("%s/0: [%p/%d] timeout - dma=0x%08lx\n", core->name,
1505                        buf, buf->vb.i, (unsigned long)buf->risc.dma);
1506         }
1507         restart_video_queue(dev,q);
1508         spin_unlock_irqrestore(&dev->slock,flags);
1509 }
1510
1511 static char *cx88_vid_irqs[32] = {
1512         "y_risci1", "u_risci1", "v_risci1", "vbi_risc1",
1513         "y_risci2", "u_risci2", "v_risci2", "vbi_risc2",
1514         "y_oflow",  "u_oflow",  "v_oflow",  "vbi_oflow",
1515         "y_sync",   "u_sync",   "v_sync",   "vbi_sync",
1516         "opc_err",  "par_err",  "rip_err",  "pci_abort",
1517 };
1518
1519 static void cx8800_vid_irq(struct cx8800_dev *dev)
1520 {
1521         struct cx88_core *core = dev->core;
1522         u32 status, mask, count;
1523
1524         status = cx_read(MO_VID_INTSTAT);
1525         mask   = cx_read(MO_VID_INTMSK);
1526         if (0 == (status & mask))
1527                 return;
1528         cx_write(MO_VID_INTSTAT, status);
1529         if (irq_debug  ||  (status & mask & ~0xff))
1530                 cx88_print_irqbits(core->name, "irq vid",
1531                                    cx88_vid_irqs, ARRAY_SIZE(cx88_vid_irqs),
1532                                    status, mask);
1533
1534         /* risc op code error */
1535         if (status & (1 << 16)) {
1536                 printk(KERN_WARNING "%s/0: video risc op code error\n",core->name);
1537                 cx_clear(MO_VID_DMACNTRL, 0x11);
1538                 cx_clear(VID_CAPTURE_CONTROL, 0x06);
1539                 cx88_sram_channel_dump(core, &cx88_sram_channels[SRAM_CH21]);
1540         }
1541
1542         /* risc1 y */
1543         if (status & 0x01) {
1544                 spin_lock(&dev->slock);
1545                 count = cx_read(MO_VIDY_GPCNT);
1546                 cx88_wakeup(core, &dev->vidq, count);
1547                 spin_unlock(&dev->slock);
1548         }
1549
1550         /* risc1 vbi */
1551         if (status & 0x08) {
1552                 spin_lock(&dev->slock);
1553                 count = cx_read(MO_VBI_GPCNT);
1554                 cx88_wakeup(core, &dev->vbiq, count);
1555                 spin_unlock(&dev->slock);
1556         }
1557
1558         /* risc2 y */
1559         if (status & 0x10) {
1560                 dprintk(2,"stopper video\n");
1561                 spin_lock(&dev->slock);
1562                 restart_video_queue(dev,&dev->vidq);
1563                 spin_unlock(&dev->slock);
1564         }
1565
1566         /* risc2 vbi */
1567         if (status & 0x80) {
1568                 dprintk(2,"stopper vbi\n");
1569                 spin_lock(&dev->slock);
1570                 cx8800_restart_vbi_queue(dev,&dev->vbiq);
1571                 spin_unlock(&dev->slock);
1572         }
1573 }
1574
1575 static irqreturn_t cx8800_irq(int irq, void *dev_id)
1576 {
1577         struct cx8800_dev *dev = dev_id;
1578         struct cx88_core *core = dev->core;
1579         u32 status;
1580         int loop, handled = 0;
1581
1582         for (loop = 0; loop < 10; loop++) {
1583                 status = cx_read(MO_PCI_INTSTAT) &
1584                         (core->pci_irqmask | PCI_INT_VIDINT);
1585                 if (0 == status)
1586                         goto out;
1587                 cx_write(MO_PCI_INTSTAT, status);
1588                 handled = 1;
1589
1590                 if (status & core->pci_irqmask)
1591                         cx88_core_irq(core,status);
1592                 if (status & PCI_INT_VIDINT)
1593                         cx8800_vid_irq(dev);
1594         };
1595         if (10 == loop) {
1596                 printk(KERN_WARNING "%s/0: irq loop -- clearing mask\n",
1597                        core->name);
1598                 cx_write(MO_PCI_INTMSK,0);
1599         }
1600
1601  out:
1602         return IRQ_RETVAL(handled);
1603 }
1604
1605 /* ----------------------------------------------------------- */
1606 /* exported stuff                                              */
1607
1608 static const struct file_operations video_fops =
1609 {
1610         .owner         = THIS_MODULE,
1611         .open          = video_open,
1612         .release       = video_release,
1613         .read          = video_read,
1614         .poll          = video_poll,
1615         .mmap          = video_mmap,
1616         .ioctl         = video_ioctl2,
1617         .compat_ioctl  = v4l_compat_ioctl32,
1618         .llseek        = no_llseek,
1619 };
1620
1621 static struct video_device cx8800_vbi_template;
1622 static struct video_device cx8800_video_template =
1623 {
1624         .name                 = "cx8800-video",
1625         .type                 = VID_TYPE_CAPTURE|VID_TYPE_TUNER|VID_TYPE_SCALES,
1626         .fops                 = &video_fops,
1627         .minor                = -1,
1628         .vidioc_querycap      = vidioc_querycap,
1629         .vidioc_enum_fmt_cap  = vidioc_enum_fmt_cap,
1630         .vidioc_g_fmt_cap     = vidioc_g_fmt_cap,
1631         .vidioc_try_fmt_cap   = vidioc_try_fmt_cap,
1632         .vidioc_s_fmt_cap     = vidioc_s_fmt_cap,
1633         .vidioc_g_fmt_vbi     = cx8800_vbi_fmt,
1634         .vidioc_try_fmt_vbi   = cx8800_vbi_fmt,
1635         .vidioc_s_fmt_vbi     = cx8800_vbi_fmt,
1636         .vidioc_reqbufs       = vidioc_reqbufs,
1637         .vidioc_querybuf      = vidioc_querybuf,
1638         .vidioc_qbuf          = vidioc_qbuf,
1639         .vidioc_dqbuf         = vidioc_dqbuf,
1640         .vidioc_s_std         = vidioc_s_std,
1641         .vidioc_enum_input    = vidioc_enum_input,
1642         .vidioc_g_input       = vidioc_g_input,
1643         .vidioc_s_input       = vidioc_s_input,
1644         .vidioc_queryctrl     = vidioc_queryctrl,
1645         .vidioc_g_ctrl        = vidioc_g_ctrl,
1646         .vidioc_s_ctrl        = vidioc_s_ctrl,
1647         .vidioc_streamon      = vidioc_streamon,
1648         .vidioc_streamoff     = vidioc_streamoff,
1649 #ifdef CONFIG_VIDEO_V4L1_COMPAT
1650         .vidiocgmbuf          = vidiocgmbuf,
1651 #endif
1652         .vidioc_g_tuner       = vidioc_g_tuner,
1653         .vidioc_s_tuner       = vidioc_s_tuner,
1654         .vidioc_g_frequency   = vidioc_g_frequency,
1655         .vidioc_s_frequency   = vidioc_s_frequency,
1656 #ifdef CONFIG_VIDEO_ADV_DEBUG
1657         .vidioc_g_register    = vidioc_g_register,
1658         .vidioc_s_register    = vidioc_s_register,
1659 #endif
1660         .tvnorms              = CX88_NORMS,
1661         .current_norm         = V4L2_STD_NTSC_M,
1662 };
1663
1664 static const struct file_operations radio_fops =
1665 {
1666         .owner         = THIS_MODULE,
1667         .open          = video_open,
1668         .release       = video_release,
1669         .ioctl         = video_ioctl2,
1670         .compat_ioctl  = v4l_compat_ioctl32,
1671         .llseek        = no_llseek,
1672 };
1673
1674 static struct video_device cx8800_radio_template =
1675 {
1676         .name                 = "cx8800-radio",
1677         .type                 = VID_TYPE_TUNER,
1678         .fops                 = &radio_fops,
1679         .minor                = -1,
1680         .vidioc_querycap      = radio_querycap,
1681         .vidioc_g_tuner       = radio_g_tuner,
1682         .vidioc_enum_input    = radio_enum_input,
1683         .vidioc_g_audio       = radio_g_audio,
1684         .vidioc_s_tuner       = radio_s_tuner,
1685         .vidioc_s_audio       = radio_s_audio,
1686         .vidioc_s_input       = radio_s_input,
1687         .vidioc_queryctrl     = radio_queryctrl,
1688         .vidioc_g_ctrl        = vidioc_g_ctrl,
1689         .vidioc_s_ctrl        = vidioc_s_ctrl,
1690         .vidioc_g_frequency   = vidioc_g_frequency,
1691         .vidioc_s_frequency   = vidioc_s_frequency,
1692 #ifdef CONFIG_VIDEO_ADV_DEBUG
1693         .vidioc_g_register    = vidioc_g_register,
1694         .vidioc_s_register    = vidioc_s_register,
1695 #endif
1696 };
1697
1698 /* ----------------------------------------------------------- */
1699
1700 static void cx8800_unregister_video(struct cx8800_dev *dev)
1701 {
1702         if (dev->radio_dev) {
1703                 if (-1 != dev->radio_dev->minor)
1704                         video_unregister_device(dev->radio_dev);
1705                 else
1706                         video_device_release(dev->radio_dev);
1707                 dev->radio_dev = NULL;
1708         }
1709         if (dev->vbi_dev) {
1710                 if (-1 != dev->vbi_dev->minor)
1711                         video_unregister_device(dev->vbi_dev);
1712                 else
1713                         video_device_release(dev->vbi_dev);
1714                 dev->vbi_dev = NULL;
1715         }
1716         if (dev->video_dev) {
1717                 if (-1 != dev->video_dev->minor)
1718                         video_unregister_device(dev->video_dev);
1719                 else
1720                         video_device_release(dev->video_dev);
1721                 dev->video_dev = NULL;
1722         }
1723 }
1724
1725 static int __devinit cx8800_initdev(struct pci_dev *pci_dev,
1726                                     const struct pci_device_id *pci_id)
1727 {
1728         struct cx8800_dev *dev;
1729         struct cx88_core *core;
1730
1731         int err;
1732
1733         dev = kzalloc(sizeof(*dev),GFP_KERNEL);
1734         if (NULL == dev)
1735                 return -ENOMEM;
1736
1737         /* pci init */
1738         dev->pci = pci_dev;
1739         if (pci_enable_device(pci_dev)) {
1740                 err = -EIO;
1741                 goto fail_free;
1742         }
1743         core = cx88_core_get(dev->pci);
1744         if (NULL == core) {
1745                 err = -EINVAL;
1746                 goto fail_free;
1747         }
1748         dev->core = core;
1749
1750         /* print pci info */
1751         pci_read_config_byte(pci_dev, PCI_CLASS_REVISION, &dev->pci_rev);
1752         pci_read_config_byte(pci_dev, PCI_LATENCY_TIMER,  &dev->pci_lat);
1753         printk(KERN_INFO "%s/0: found at %s, rev: %d, irq: %d, "
1754                "latency: %d, mmio: 0x%llx\n", core->name,
1755                pci_name(pci_dev), dev->pci_rev, pci_dev->irq,
1756                dev->pci_lat,(unsigned long long)pci_resource_start(pci_dev,0));
1757
1758         pci_set_master(pci_dev);
1759         if (!pci_dma_supported(pci_dev,DMA_32BIT_MASK)) {
1760                 printk("%s/0: Oops: no 32bit PCI DMA ???\n",core->name);
1761                 err = -EIO;
1762                 goto fail_core;
1763         }
1764
1765         /* Initialize VBI template */
1766         memcpy( &cx8800_vbi_template, &cx8800_video_template,
1767                 sizeof(cx8800_vbi_template) );
1768         strcpy(cx8800_vbi_template.name,"cx8800-vbi");
1769         cx8800_vbi_template.type = VID_TYPE_TELETEXT|VID_TYPE_TUNER;
1770
1771         /* initialize driver struct */
1772         spin_lock_init(&dev->slock);
1773         core->tvnorm = cx8800_video_template.current_norm;
1774
1775         /* init video dma queues */
1776         INIT_LIST_HEAD(&dev->vidq.active);
1777         INIT_LIST_HEAD(&dev->vidq.queued);
1778         dev->vidq.timeout.function = cx8800_vid_timeout;
1779         dev->vidq.timeout.data     = (unsigned long)dev;
1780         init_timer(&dev->vidq.timeout);
1781         cx88_risc_stopper(dev->pci,&dev->vidq.stopper,
1782                           MO_VID_DMACNTRL,0x11,0x00);
1783
1784         /* init vbi dma queues */
1785         INIT_LIST_HEAD(&dev->vbiq.active);
1786         INIT_LIST_HEAD(&dev->vbiq.queued);
1787         dev->vbiq.timeout.function = cx8800_vbi_timeout;
1788         dev->vbiq.timeout.data     = (unsigned long)dev;
1789         init_timer(&dev->vbiq.timeout);
1790         cx88_risc_stopper(dev->pci,&dev->vbiq.stopper,
1791                           MO_VID_DMACNTRL,0x88,0x00);
1792
1793         /* get irq */
1794         err = request_irq(pci_dev->irq, cx8800_irq,
1795                           IRQF_SHARED | IRQF_DISABLED, core->name, dev);
1796         if (err < 0) {
1797                 printk(KERN_ERR "%s/0: can't get IRQ %d\n",
1798                        core->name,pci_dev->irq);
1799                 goto fail_core;
1800         }
1801         cx_set(MO_PCI_INTMSK, core->pci_irqmask);
1802
1803         /* load and configure helper modules */
1804         if (TUNER_ABSENT != core->board.tuner_type)
1805                 request_module("tuner");
1806
1807         if (core->board.audio_chip == AUDIO_CHIP_WM8775)
1808                 request_module("wm8775");
1809
1810         switch (core->boardnr) {
1811         case CX88_BOARD_DVICO_FUSIONHDTV_5_GOLD:
1812                 request_module("ir-kbd-i2c");
1813                 request_module("rtc-isl1208");
1814         }
1815
1816         /* register v4l devices */
1817         dev->video_dev = cx88_vdev_init(core,dev->pci,
1818                                         &cx8800_video_template,"video");
1819         err = video_register_device(dev->video_dev,VFL_TYPE_GRABBER,
1820                                     video_nr[core->nr]);
1821         if (err < 0) {
1822                 printk(KERN_ERR "%s/0: can't register video device\n",
1823                        core->name);
1824                 goto fail_unreg;
1825         }
1826         printk(KERN_INFO "%s/0: registered device video%d [v4l2]\n",
1827                core->name,dev->video_dev->minor & 0x1f);
1828
1829         dev->vbi_dev = cx88_vdev_init(core,dev->pci,&cx8800_vbi_template,"vbi");
1830         err = video_register_device(dev->vbi_dev,VFL_TYPE_VBI,
1831                                     vbi_nr[core->nr]);
1832         if (err < 0) {
1833                 printk(KERN_ERR "%s/0: can't register vbi device\n",
1834                        core->name);
1835                 goto fail_unreg;
1836         }
1837         printk(KERN_INFO "%s/0: registered device vbi%d\n",
1838                core->name,dev->vbi_dev->minor & 0x1f);
1839
1840         if (core->board.radio.type == CX88_RADIO) {
1841                 dev->radio_dev = cx88_vdev_init(core,dev->pci,
1842                                                 &cx8800_radio_template,"radio");
1843                 err = video_register_device(dev->radio_dev,VFL_TYPE_RADIO,
1844                                             radio_nr[core->nr]);
1845                 if (err < 0) {
1846                         printk(KERN_ERR "%s/0: can't register radio device\n",
1847                                core->name);
1848                         goto fail_unreg;
1849                 }
1850                 printk(KERN_INFO "%s/0: registered device radio%d\n",
1851                        core->name,dev->radio_dev->minor & 0x1f);
1852         }
1853
1854         /* everything worked */
1855         list_add_tail(&dev->devlist,&cx8800_devlist);
1856         pci_set_drvdata(pci_dev,dev);
1857
1858         /* initial device configuration */
1859         mutex_lock(&core->lock);
1860         cx88_set_tvnorm(core,core->tvnorm);
1861         init_controls(core);
1862         cx88_video_mux(core,0);
1863         mutex_unlock(&core->lock);
1864
1865         /* start tvaudio thread */
1866         if (core->board.tuner_type != TUNER_ABSENT) {
1867                 core->kthread = kthread_run(cx88_audio_thread, core, "cx88 tvaudio");
1868                 if (IS_ERR(core->kthread)) {
1869                         err = PTR_ERR(core->kthread);
1870                         printk(KERN_ERR "%s/0: failed to create cx88 audio thread, err=%d\n",
1871                                core->name, err);
1872                 }
1873         }
1874         return 0;
1875
1876 fail_unreg:
1877         cx8800_unregister_video(dev);
1878         free_irq(pci_dev->irq, dev);
1879 fail_core:
1880         cx88_core_put(core,dev->pci);
1881 fail_free:
1882         kfree(dev);
1883         return err;
1884 }
1885
1886 static void __devexit cx8800_finidev(struct pci_dev *pci_dev)
1887 {
1888         struct cx8800_dev *dev = pci_get_drvdata(pci_dev);
1889         struct cx88_core *core = dev->core;
1890
1891         /* stop thread */
1892         if (core->kthread) {
1893                 kthread_stop(core->kthread);
1894                 core->kthread = NULL;
1895         }
1896
1897         cx88_shutdown(core); /* FIXME */
1898         pci_disable_device(pci_dev);
1899
1900         /* unregister stuff */
1901
1902         free_irq(pci_dev->irq, dev);
1903         cx8800_unregister_video(dev);
1904         pci_set_drvdata(pci_dev, NULL);
1905
1906         /* free memory */
1907         btcx_riscmem_free(dev->pci,&dev->vidq.stopper);
1908         list_del(&dev->devlist);
1909         cx88_core_put(core,dev->pci);
1910         kfree(dev);
1911 }
1912
1913 #ifdef CONFIG_PM
1914 static int cx8800_suspend(struct pci_dev *pci_dev, pm_message_t state)
1915 {
1916         struct cx8800_dev *dev = pci_get_drvdata(pci_dev);
1917         struct cx88_core *core = dev->core;
1918
1919         /* stop video+vbi capture */
1920         spin_lock(&dev->slock);
1921         if (!list_empty(&dev->vidq.active)) {
1922                 printk("%s/0: suspend video\n", core->name);
1923                 stop_video_dma(dev);
1924                 del_timer(&dev->vidq.timeout);
1925         }
1926         if (!list_empty(&dev->vbiq.active)) {
1927                 printk("%s/0: suspend vbi\n", core->name);
1928                 cx8800_stop_vbi_dma(dev);
1929                 del_timer(&dev->vbiq.timeout);
1930         }
1931         spin_unlock(&dev->slock);
1932
1933         if (core->ir)
1934                 cx88_ir_stop(core, core->ir);
1935         /* FIXME -- shutdown device */
1936         cx88_shutdown(core);
1937
1938         pci_save_state(pci_dev);
1939         if (0 != pci_set_power_state(pci_dev, pci_choose_state(pci_dev, state))) {
1940                 pci_disable_device(pci_dev);
1941                 dev->state.disabled = 1;
1942         }
1943         return 0;
1944 }
1945
1946 static int cx8800_resume(struct pci_dev *pci_dev)
1947 {
1948         struct cx8800_dev *dev = pci_get_drvdata(pci_dev);
1949         struct cx88_core *core = dev->core;
1950         int err;
1951
1952         if (dev->state.disabled) {
1953                 err=pci_enable_device(pci_dev);
1954                 if (err) {
1955                         printk(KERN_ERR "%s/0: can't enable device\n",
1956                                core->name);
1957                         return err;
1958                 }
1959
1960                 dev->state.disabled = 0;
1961         }
1962         err= pci_set_power_state(pci_dev, PCI_D0);
1963         if (err) {
1964                 printk(KERN_ERR "%s/0: can't set power state\n", core->name);
1965                 pci_disable_device(pci_dev);
1966                 dev->state.disabled = 1;
1967
1968                 return err;
1969         }
1970         pci_restore_state(pci_dev);
1971
1972         /* FIXME: re-initialize hardware */
1973         cx88_reset(core);
1974         if (core->ir)
1975                 cx88_ir_start(core, core->ir);
1976
1977         cx_set(MO_PCI_INTMSK, core->pci_irqmask);
1978
1979         /* restart video+vbi capture */
1980         spin_lock(&dev->slock);
1981         if (!list_empty(&dev->vidq.active)) {
1982                 printk("%s/0: resume video\n", core->name);
1983                 restart_video_queue(dev,&dev->vidq);
1984         }
1985         if (!list_empty(&dev->vbiq.active)) {
1986                 printk("%s/0: resume vbi\n", core->name);
1987                 cx8800_restart_vbi_queue(dev,&dev->vbiq);
1988         }
1989         spin_unlock(&dev->slock);
1990
1991         return 0;
1992 }
1993 #endif
1994
1995 /* ----------------------------------------------------------- */
1996
1997 static struct pci_device_id cx8800_pci_tbl[] = {
1998         {
1999                 .vendor       = 0x14f1,
2000                 .device       = 0x8800,
2001                 .subvendor    = PCI_ANY_ID,
2002                 .subdevice    = PCI_ANY_ID,
2003         },{
2004                 /* --- end of list --- */
2005         }
2006 };
2007 MODULE_DEVICE_TABLE(pci, cx8800_pci_tbl);
2008
2009 static struct pci_driver cx8800_pci_driver = {
2010         .name     = "cx8800",
2011         .id_table = cx8800_pci_tbl,
2012         .probe    = cx8800_initdev,
2013         .remove   = __devexit_p(cx8800_finidev),
2014 #ifdef CONFIG_PM
2015         .suspend  = cx8800_suspend,
2016         .resume   = cx8800_resume,
2017 #endif
2018 };
2019
2020 static int cx8800_init(void)
2021 {
2022         printk(KERN_INFO "cx88/0: cx2388x v4l2 driver version %d.%d.%d loaded\n",
2023                (CX88_VERSION_CODE >> 16) & 0xff,
2024                (CX88_VERSION_CODE >>  8) & 0xff,
2025                CX88_VERSION_CODE & 0xff);
2026 #ifdef SNAPSHOT
2027         printk(KERN_INFO "cx2388x: snapshot date %04d-%02d-%02d\n",
2028                SNAPSHOT/10000, (SNAPSHOT/100)%100, SNAPSHOT%100);
2029 #endif
2030         return pci_register_driver(&cx8800_pci_driver);
2031 }
2032
2033 static void cx8800_fini(void)
2034 {
2035         pci_unregister_driver(&cx8800_pci_driver);
2036 }
2037
2038 module_init(cx8800_init);
2039 module_exit(cx8800_fini);
2040
2041 /* ----------------------------------------------------------- */
2042 /*
2043  * Local variables:
2044  * c-basic-offset: 8
2045  * End:
2046  * kate: eol "unix"; indent-width 3; remove-trailing-space on; replace-trailing-space-save on; tab-width 8; replace-tabs off; space-indent off; mixed-indent off
2047  */