[PATCH] disable addres space randomization default on transmeta CPUs
[linux-2.6.git] / drivers / media / video / cx88 / cx88-video.c
1 /*
2  * $Id: cx88-video.c,v 1.80 2005/07/13 08:49:08 mchehab Exp $
3  *
4  * device driver for Conexant 2388x based TV cards
5  * video4linux video interface
6  *
7  * (c) 2003-04 Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]
8  *
9  *  This program is free software; you can redistribute it and/or modify
10  *  it under the terms of the GNU General Public License as published by
11  *  the Free Software Foundation; either version 2 of the License, or
12  *  (at your option) any later version.
13  *
14  *  This program is distributed in the hope that it will be useful,
15  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
16  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
17  *  GNU General Public License for more details.
18  *
19  *  You should have received a copy of the GNU General Public License
20  *  along with this program; if not, write to the Free Software
21  *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
22  */
23
24 #include <linux/init.h>
25 #include <linux/list.h>
26 #include <linux/module.h>
27 #include <linux/moduleparam.h>
28 #include <linux/kmod.h>
29 #include <linux/kernel.h>
30 #include <linux/slab.h>
31 #include <linux/interrupt.h>
32 #include <linux/delay.h>
33 #include <linux/kthread.h>
34 #include <asm/div64.h>
35
36 #include "cx88.h"
37
38 MODULE_DESCRIPTION("v4l2 driver module for cx2388x based TV cards");
39 MODULE_AUTHOR("Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]");
40 MODULE_LICENSE("GPL");
41
42 /* ------------------------------------------------------------------ */
43
44 static unsigned int video_nr[] = {[0 ... (CX88_MAXBOARDS - 1)] = UNSET };
45 static unsigned int vbi_nr[]   = {[0 ... (CX88_MAXBOARDS - 1)] = UNSET };
46 static unsigned int radio_nr[] = {[0 ... (CX88_MAXBOARDS - 1)] = UNSET };
47
48 module_param_array(video_nr, int, NULL, 0444);
49 module_param_array(vbi_nr,   int, NULL, 0444);
50 module_param_array(radio_nr, int, NULL, 0444);
51
52 MODULE_PARM_DESC(video_nr,"video device numbers");
53 MODULE_PARM_DESC(vbi_nr,"vbi device numbers");
54 MODULE_PARM_DESC(radio_nr,"radio device numbers");
55
56 static unsigned int video_debug = 0;
57 module_param(video_debug,int,0644);
58 MODULE_PARM_DESC(video_debug,"enable debug messages [video]");
59
60 static unsigned int irq_debug = 0;
61 module_param(irq_debug,int,0644);
62 MODULE_PARM_DESC(irq_debug,"enable debug messages [IRQ handler]");
63
64 static unsigned int vid_limit = 16;
65 module_param(vid_limit,int,0644);
66 MODULE_PARM_DESC(vid_limit,"capture memory limit in megabytes");
67
68 #define dprintk(level,fmt, arg...)      if (video_debug >= level) \
69         printk(KERN_DEBUG "%s/0: " fmt, dev->core->name , ## arg)
70
71 /* ------------------------------------------------------------------ */
72
73 static LIST_HEAD(cx8800_devlist);
74
75 /* ------------------------------------------------------------------- */
76 /* static data                                                         */
77
78 static struct cx88_tvnorm tvnorms[] = {
79         {
80                 .name      = "NTSC-M",
81                 .id        = V4L2_STD_NTSC_M,
82                 .cxiformat = VideoFormatNTSC,
83                 .cxoformat = 0x181f0008,
84         },{
85                 .name      = "NTSC-JP",
86                 .id        = V4L2_STD_NTSC_M_JP,
87                 .cxiformat = VideoFormatNTSCJapan,
88                 .cxoformat = 0x181f0008,
89         },{
90                 .name      = "PAL-BG",
91                 .id        = V4L2_STD_PAL_BG,
92                 .cxiformat = VideoFormatPAL,
93                 .cxoformat = 0x181f0008,
94         },{
95                 .name      = "PAL-DK",
96                 .id        = V4L2_STD_PAL_DK,
97                 .cxiformat = VideoFormatPAL,
98                 .cxoformat = 0x181f0008,
99         },{
100                 .name      = "PAL-I",
101                 .id        = V4L2_STD_PAL_I,
102                 .cxiformat = VideoFormatPAL,
103                 .cxoformat = 0x181f0008,
104         },{
105                 .name      = "PAL-M",
106                 .id        = V4L2_STD_PAL_M,
107                 .cxiformat = VideoFormatPALM,
108                 .cxoformat = 0x1c1f0008,
109         },{
110                 .name      = "PAL-N",
111                 .id        = V4L2_STD_PAL_N,
112                 .cxiformat = VideoFormatPALN,
113                 .cxoformat = 0x1c1f0008,
114         },{
115                 .name      = "PAL-Nc",
116                 .id        = V4L2_STD_PAL_Nc,
117                 .cxiformat = VideoFormatPALNC,
118                 .cxoformat = 0x1c1f0008,
119         },{
120                 .name      = "PAL-60",
121                 .id        = V4L2_STD_PAL_60,
122                 .cxiformat = VideoFormatPAL60,
123                 .cxoformat = 0x181f0008,
124         },{
125                 .name      = "SECAM-L",
126                 .id        = V4L2_STD_SECAM_L,
127                 .cxiformat = VideoFormatSECAM,
128                 .cxoformat = 0x181f0008,
129         },{
130                 .name      = "SECAM-DK",
131                 .id        = V4L2_STD_SECAM_DK,
132                 .cxiformat = VideoFormatSECAM,
133                 .cxoformat = 0x181f0008,
134         }
135 };
136
137 static struct cx8800_fmt formats[] = {
138         {
139                 .name     = "8 bpp, gray",
140                 .fourcc   = V4L2_PIX_FMT_GREY,
141                 .cxformat = ColorFormatY8,
142                 .depth    = 8,
143                 .flags    = FORMAT_FLAGS_PACKED,
144         },{
145                 .name     = "15 bpp RGB, le",
146                 .fourcc   = V4L2_PIX_FMT_RGB555,
147                 .cxformat = ColorFormatRGB15,
148                 .depth    = 16,
149                 .flags    = FORMAT_FLAGS_PACKED,
150         },{
151                 .name     = "15 bpp RGB, be",
152                 .fourcc   = V4L2_PIX_FMT_RGB555X,
153                 .cxformat = ColorFormatRGB15 | ColorFormatBSWAP,
154                 .depth    = 16,
155                 .flags    = FORMAT_FLAGS_PACKED,
156         },{
157                 .name     = "16 bpp RGB, le",
158                 .fourcc   = V4L2_PIX_FMT_RGB565,
159                 .cxformat = ColorFormatRGB16,
160                 .depth    = 16,
161                 .flags    = FORMAT_FLAGS_PACKED,
162         },{
163                 .name     = "16 bpp RGB, be",
164                 .fourcc   = V4L2_PIX_FMT_RGB565X,
165                 .cxformat = ColorFormatRGB16 | ColorFormatBSWAP,
166                 .depth    = 16,
167                 .flags    = FORMAT_FLAGS_PACKED,
168         },{
169                 .name     = "24 bpp RGB, le",
170                 .fourcc   = V4L2_PIX_FMT_BGR24,
171                 .cxformat = ColorFormatRGB24,
172                 .depth    = 24,
173                 .flags    = FORMAT_FLAGS_PACKED,
174         },{
175                 .name     = "32 bpp RGB, le",
176                 .fourcc   = V4L2_PIX_FMT_BGR32,
177                 .cxformat = ColorFormatRGB32,
178                 .depth    = 32,
179                 .flags    = FORMAT_FLAGS_PACKED,
180         },{
181                 .name     = "32 bpp RGB, be",
182                 .fourcc   = V4L2_PIX_FMT_RGB32,
183                 .cxformat = ColorFormatRGB32 | ColorFormatBSWAP | ColorFormatWSWAP,
184                 .depth    = 32,
185                 .flags    = FORMAT_FLAGS_PACKED,
186         },{
187                 .name     = "4:2:2, packed, YUYV",
188                 .fourcc   = V4L2_PIX_FMT_YUYV,
189                 .cxformat = ColorFormatYUY2,
190                 .depth    = 16,
191                 .flags    = FORMAT_FLAGS_PACKED,
192         },{
193                 .name     = "4:2:2, packed, UYVY",
194                 .fourcc   = V4L2_PIX_FMT_UYVY,
195                 .cxformat = ColorFormatYUY2 | ColorFormatBSWAP,
196                 .depth    = 16,
197                 .flags    = FORMAT_FLAGS_PACKED,
198         },
199 };
200
201 static struct cx8800_fmt* format_by_fourcc(unsigned int fourcc)
202 {
203         unsigned int i;
204
205         for (i = 0; i < ARRAY_SIZE(formats); i++)
206                 if (formats[i].fourcc == fourcc)
207                         return formats+i;
208         return NULL;
209 }
210
211 /* ------------------------------------------------------------------- */
212
213 static const struct v4l2_queryctrl no_ctl = {
214         .name  = "42",
215         .flags = V4L2_CTRL_FLAG_DISABLED,
216 };
217
218 static struct cx88_ctrl cx8800_ctls[] = {
219         /* --- video --- */
220         {
221                 .v = {
222                         .id            = V4L2_CID_BRIGHTNESS,
223                         .name          = "Brightness",
224                         .minimum       = 0x00,
225                         .maximum       = 0xff,
226                         .step          = 1,
227                         .default_value = 0,
228                         .type          = V4L2_CTRL_TYPE_INTEGER,
229                 },
230                 .off                   = 128,
231                 .reg                   = MO_CONTR_BRIGHT,
232                 .mask                  = 0x00ff,
233                 .shift                 = 0,
234         },{
235                 .v = {
236                         .id            = V4L2_CID_CONTRAST,
237                         .name          = "Contrast",
238                         .minimum       = 0,
239                         .maximum       = 0xff,
240                         .step          = 1,
241                         .default_value = 0,
242                         .type          = V4L2_CTRL_TYPE_INTEGER,
243                 },
244                 .off                   = 0,
245                 .reg                   = MO_CONTR_BRIGHT,
246                 .mask                  = 0xff00,
247                 .shift                 = 8,
248         },{
249                 .v = {
250                         .id            = V4L2_CID_HUE,
251                         .name          = "Hue",
252                         .minimum       = 0,
253                         .maximum       = 0xff,
254                         .step          = 1,
255                         .default_value = 0,
256                         .type          = V4L2_CTRL_TYPE_INTEGER,
257                 },
258                 .off                   = 128,
259                 .reg                   = MO_HUE,
260                 .mask                  = 0x00ff,
261                 .shift                 = 0,
262         },{
263                 /* strictly, this only describes only U saturation.
264                  * V saturation is handled specially through code.
265                  */
266                 .v = {
267                         .id            = V4L2_CID_SATURATION,
268                         .name          = "Saturation",
269                         .minimum       = 0,
270                         .maximum       = 0xff,
271                         .step          = 1,
272                         .default_value = 0,
273                         .type          = V4L2_CTRL_TYPE_INTEGER,
274                 },
275                 .off                   = 0,
276                 .reg                   = MO_UV_SATURATION,
277                 .mask                  = 0x00ff,
278                 .shift                 = 0,
279         },{
280         /* --- audio --- */
281                 .v = {
282                         .id            = V4L2_CID_AUDIO_MUTE,
283                         .name          = "Mute",
284                         .minimum       = 0,
285                         .maximum       = 1,
286                         .type          = V4L2_CTRL_TYPE_BOOLEAN,
287                 },
288                 .reg                   = AUD_VOL_CTL,
289                 .sreg                  = SHADOW_AUD_VOL_CTL,
290                 .mask                  = (1 << 6),
291                 .shift                 = 6,
292         },{
293                 .v = {
294                         .id            = V4L2_CID_AUDIO_VOLUME,
295                         .name          = "Volume",
296                         .minimum       = 0,
297                         .maximum       = 0x3f,
298                         .step          = 1,
299                         .default_value = 0,
300                         .type          = V4L2_CTRL_TYPE_INTEGER,
301                 },
302                 .reg                   = AUD_VOL_CTL,
303                 .sreg                  = SHADOW_AUD_VOL_CTL,
304                 .mask                  = 0x3f,
305                 .shift                 = 0,
306         },{
307                 .v = {
308                         .id            = V4L2_CID_AUDIO_BALANCE,
309                         .name          = "Balance",
310                         .minimum       = 0,
311                         .maximum       = 0x7f,
312                         .step          = 1,
313                         .default_value = 0x40,
314                         .type          = V4L2_CTRL_TYPE_INTEGER,
315                 },
316                 .reg                   = AUD_BAL_CTL,
317                 .sreg                  = SHADOW_AUD_BAL_CTL,
318                 .mask                  = 0x7f,
319                 .shift                 = 0,
320         }
321 };
322 static const int CX8800_CTLS = ARRAY_SIZE(cx8800_ctls);
323
324 /* ------------------------------------------------------------------- */
325 /* resource management                                                 */
326
327 static int res_get(struct cx8800_dev *dev, struct cx8800_fh *fh, unsigned int bit)
328 {
329         if (fh->resources & bit)
330                 /* have it already allocated */
331                 return 1;
332
333         /* is it free? */
334         down(&dev->lock);
335         if (dev->resources & bit) {
336                 /* no, someone else uses it */
337                 up(&dev->lock);
338                 return 0;
339         }
340         /* it's free, grab it */
341         fh->resources  |= bit;
342         dev->resources |= bit;
343         dprintk(1,"res: get %d\n",bit);
344         up(&dev->lock);
345         return 1;
346 }
347
348 static
349 int res_check(struct cx8800_fh *fh, unsigned int bit)
350 {
351         return (fh->resources & bit);
352 }
353
354 static
355 int res_locked(struct cx8800_dev *dev, unsigned int bit)
356 {
357         return (dev->resources & bit);
358 }
359
360 static
361 void res_free(struct cx8800_dev *dev, struct cx8800_fh *fh, unsigned int bits)
362 {
363         if ((fh->resources & bits) != bits)
364                 BUG();
365
366         down(&dev->lock);
367         fh->resources  &= ~bits;
368         dev->resources &= ~bits;
369         dprintk(1,"res: put %d\n",bits);
370         up(&dev->lock);
371 }
372
373 /* ------------------------------------------------------------------ */
374
375 static int video_mux(struct cx8800_dev *dev, unsigned int input)
376 {
377         struct cx88_core *core = dev->core;
378
379         dprintk(1,"video_mux: %d [vmux=%d,gpio=0x%x,0x%x,0x%x,0x%x]\n",
380                 input, INPUT(input)->vmux,
381                 INPUT(input)->gpio0,INPUT(input)->gpio1,
382                 INPUT(input)->gpio2,INPUT(input)->gpio3);
383         dev->core->input = input;
384         cx_andor(MO_INPUT_FORMAT, 0x03 << 14, INPUT(input)->vmux << 14);
385         cx_write(MO_GP3_IO, INPUT(input)->gpio3);
386         cx_write(MO_GP0_IO, INPUT(input)->gpio0);
387         cx_write(MO_GP1_IO, INPUT(input)->gpio1);
388         cx_write(MO_GP2_IO, INPUT(input)->gpio2);
389
390         switch (INPUT(input)->type) {
391         case CX88_VMUX_SVIDEO:
392                 cx_set(MO_AFECFG_IO,    0x00000001);
393                 cx_set(MO_INPUT_FORMAT, 0x00010010);
394                 cx_set(MO_FILTER_EVEN,  0x00002020);
395                 cx_set(MO_FILTER_ODD,   0x00002020);
396                 break;
397         default:
398                 cx_clear(MO_AFECFG_IO,    0x00000001);
399                 cx_clear(MO_INPUT_FORMAT, 0x00010010);
400                 cx_clear(MO_FILTER_EVEN,  0x00002020);
401                 cx_clear(MO_FILTER_ODD,   0x00002020);
402                 break;
403         }
404         return 0;
405 }
406
407 /* ------------------------------------------------------------------ */
408
409 static int start_video_dma(struct cx8800_dev    *dev,
410                            struct cx88_dmaqueue *q,
411                            struct cx88_buffer   *buf)
412 {
413         struct cx88_core *core = dev->core;
414
415         /* setup fifo + format */
416         cx88_sram_channel_setup(dev->core, &cx88_sram_channels[SRAM_CH21],
417                                 buf->bpl, buf->risc.dma);
418         cx88_set_scale(dev->core, buf->vb.width, buf->vb.height, buf->vb.field);
419         cx_write(MO_COLOR_CTRL, buf->fmt->cxformat | ColorFormatGamma);
420
421         /* reset counter */
422         cx_write(MO_VIDY_GPCNTRL,GP_COUNT_CONTROL_RESET);
423         q->count = 1;
424
425         /* enable irqs */
426         cx_set(MO_PCI_INTMSK, core->pci_irqmask | 0x01);
427         cx_set(MO_VID_INTMSK, 0x0f0011);
428
429         /* enable capture */
430         cx_set(VID_CAPTURE_CONTROL,0x06);
431
432         /* start dma */
433         cx_set(MO_DEV_CNTRL2, (1<<5));
434         cx_set(MO_VID_DMACNTRL, 0x11);
435
436         return 0;
437 }
438
439 static int stop_video_dma(struct cx8800_dev    *dev)
440 {
441         struct cx88_core *core = dev->core;
442
443         /* stop dma */
444         cx_clear(MO_VID_DMACNTRL, 0x11);
445
446         /* disable capture */
447         cx_clear(VID_CAPTURE_CONTROL,0x06);
448
449         /* disable irqs */
450         cx_clear(MO_PCI_INTMSK, 0x000001);
451         cx_clear(MO_VID_INTMSK, 0x0f0011);
452         return 0;
453 }
454
455 static int restart_video_queue(struct cx8800_dev    *dev,
456                                struct cx88_dmaqueue *q)
457 {
458         struct cx88_buffer *buf, *prev;
459         struct list_head *item;
460
461         if (!list_empty(&q->active)) {
462                 buf = list_entry(q->active.next, struct cx88_buffer, vb.queue);
463                 dprintk(2,"restart_queue [%p/%d]: restart dma\n",
464                         buf, buf->vb.i);
465                 start_video_dma(dev, q, buf);
466                 list_for_each(item,&q->active) {
467                         buf = list_entry(item, struct cx88_buffer, vb.queue);
468                         buf->count    = q->count++;
469                 }
470                 mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT);
471                 return 0;
472         }
473
474         prev = NULL;
475         for (;;) {
476                 if (list_empty(&q->queued))
477                         return 0;
478                 buf = list_entry(q->queued.next, struct cx88_buffer, vb.queue);
479                 if (NULL == prev) {
480                         list_del(&buf->vb.queue);
481                         list_add_tail(&buf->vb.queue,&q->active);
482                         start_video_dma(dev, q, buf);
483                         buf->vb.state = STATE_ACTIVE;
484                         buf->count    = q->count++;
485                         mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT);
486                         dprintk(2,"[%p/%d] restart_queue - first active\n",
487                                 buf,buf->vb.i);
488
489                 } else if (prev->vb.width  == buf->vb.width  &&
490                            prev->vb.height == buf->vb.height &&
491                            prev->fmt       == buf->fmt) {
492                         list_del(&buf->vb.queue);
493                         list_add_tail(&buf->vb.queue,&q->active);
494                         buf->vb.state = STATE_ACTIVE;
495                         buf->count    = q->count++;
496                         prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma);
497                         dprintk(2,"[%p/%d] restart_queue - move to active\n",
498                                 buf,buf->vb.i);
499                 } else {
500                         return 0;
501                 }
502                 prev = buf;
503         }
504 }
505
506 /* ------------------------------------------------------------------ */
507
508 static int
509 buffer_setup(struct videobuf_queue *q, unsigned int *count, unsigned int *size)
510 {
511         struct cx8800_fh *fh = q->priv_data;
512
513         *size = fh->fmt->depth*fh->width*fh->height >> 3;
514         if (0 == *count)
515                 *count = 32;
516         while (*size * *count > vid_limit * 1024 * 1024)
517                 (*count)--;
518         return 0;
519 }
520
521 static int
522 buffer_prepare(struct videobuf_queue *q, struct videobuf_buffer *vb,
523                enum v4l2_field field)
524 {
525         struct cx8800_fh   *fh  = q->priv_data;
526         struct cx8800_dev  *dev = fh->dev;
527         struct cx88_buffer *buf = container_of(vb,struct cx88_buffer,vb);
528         int rc, init_buffer = 0;
529
530         BUG_ON(NULL == fh->fmt);
531         if (fh->width  < 48 || fh->width  > norm_maxw(dev->core->tvnorm) ||
532             fh->height < 32 || fh->height > norm_maxh(dev->core->tvnorm))
533                 return -EINVAL;
534         buf->vb.size = (fh->width * fh->height * fh->fmt->depth) >> 3;
535         if (0 != buf->vb.baddr  &&  buf->vb.bsize < buf->vb.size)
536                 return -EINVAL;
537
538         if (buf->fmt       != fh->fmt    ||
539             buf->vb.width  != fh->width  ||
540             buf->vb.height != fh->height ||
541             buf->vb.field  != field) {
542                 buf->fmt       = fh->fmt;
543                 buf->vb.width  = fh->width;
544                 buf->vb.height = fh->height;
545                 buf->vb.field  = field;
546                 init_buffer = 1;
547         }
548
549         if (STATE_NEEDS_INIT == buf->vb.state) {
550                 init_buffer = 1;
551                 if (0 != (rc = videobuf_iolock(dev->pci,&buf->vb,NULL)))
552                         goto fail;
553         }
554
555         if (init_buffer) {
556                 buf->bpl = buf->vb.width * buf->fmt->depth >> 3;
557                 switch (buf->vb.field) {
558                 case V4L2_FIELD_TOP:
559                         cx88_risc_buffer(dev->pci, &buf->risc,
560                                          buf->vb.dma.sglist, 0, UNSET,
561                                          buf->bpl, 0, buf->vb.height);
562                         break;
563                 case V4L2_FIELD_BOTTOM:
564                         cx88_risc_buffer(dev->pci, &buf->risc,
565                                          buf->vb.dma.sglist, UNSET, 0,
566                                          buf->bpl, 0, buf->vb.height);
567                         break;
568                 case V4L2_FIELD_INTERLACED:
569                         cx88_risc_buffer(dev->pci, &buf->risc,
570                                          buf->vb.dma.sglist, 0, buf->bpl,
571                                          buf->bpl, buf->bpl,
572                                          buf->vb.height >> 1);
573                         break;
574                 case V4L2_FIELD_SEQ_TB:
575                         cx88_risc_buffer(dev->pci, &buf->risc,
576                                          buf->vb.dma.sglist,
577                                          0, buf->bpl * (buf->vb.height >> 1),
578                                          buf->bpl, 0,
579                                          buf->vb.height >> 1);
580                         break;
581                 case V4L2_FIELD_SEQ_BT:
582                         cx88_risc_buffer(dev->pci, &buf->risc,
583                                          buf->vb.dma.sglist,
584                                          buf->bpl * (buf->vb.height >> 1), 0,
585                                          buf->bpl, 0,
586                                          buf->vb.height >> 1);
587                         break;
588                 default:
589                         BUG();
590                 }
591         }
592         dprintk(2,"[%p/%d] buffer_prepare - %dx%d %dbpp \"%s\" - dma=0x%08lx\n",
593                 buf, buf->vb.i,
594                 fh->width, fh->height, fh->fmt->depth, fh->fmt->name,
595                 (unsigned long)buf->risc.dma);
596
597         buf->vb.state = STATE_PREPARED;
598         return 0;
599
600  fail:
601         cx88_free_buffer(dev->pci,buf);
602         return rc;
603 }
604
605 static void
606 buffer_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb)
607 {
608         struct cx88_buffer    *buf = container_of(vb,struct cx88_buffer,vb);
609         struct cx88_buffer    *prev;
610         struct cx8800_fh      *fh   = vq->priv_data;
611         struct cx8800_dev     *dev  = fh->dev;
612         struct cx88_dmaqueue  *q    = &dev->vidq;
613
614         /* add jump to stopper */
615         buf->risc.jmp[0] = cpu_to_le32(RISC_JUMP | RISC_IRQ1 | RISC_CNT_INC);
616         buf->risc.jmp[1] = cpu_to_le32(q->stopper.dma);
617
618         if (!list_empty(&q->queued)) {
619                 list_add_tail(&buf->vb.queue,&q->queued);
620                 buf->vb.state = STATE_QUEUED;
621                 dprintk(2,"[%p/%d] buffer_queue - append to queued\n",
622                         buf, buf->vb.i);
623
624         } else if (list_empty(&q->active)) {
625                 list_add_tail(&buf->vb.queue,&q->active);
626                 start_video_dma(dev, q, buf);
627                 buf->vb.state = STATE_ACTIVE;
628                 buf->count    = q->count++;
629                 mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT);
630                 dprintk(2,"[%p/%d] buffer_queue - first active\n",
631                         buf, buf->vb.i);
632
633         } else {
634                 prev = list_entry(q->active.prev, struct cx88_buffer, vb.queue);
635                 if (prev->vb.width  == buf->vb.width  &&
636                     prev->vb.height == buf->vb.height &&
637                     prev->fmt       == buf->fmt) {
638                         list_add_tail(&buf->vb.queue,&q->active);
639                         buf->vb.state = STATE_ACTIVE;
640                         buf->count    = q->count++;
641                         prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma);
642                         dprintk(2,"[%p/%d] buffer_queue - append to active\n",
643                                 buf, buf->vb.i);
644
645                 } else {
646                         list_add_tail(&buf->vb.queue,&q->queued);
647                         buf->vb.state = STATE_QUEUED;
648                         dprintk(2,"[%p/%d] buffer_queue - first queued\n",
649                                 buf, buf->vb.i);
650                 }
651         }
652 }
653
654 static void buffer_release(struct videobuf_queue *q, struct videobuf_buffer *vb)
655 {
656         struct cx88_buffer *buf = container_of(vb,struct cx88_buffer,vb);
657         struct cx8800_fh   *fh  = q->priv_data;
658
659         cx88_free_buffer(fh->dev->pci,buf);
660 }
661
662 static struct videobuf_queue_ops cx8800_video_qops = {
663         .buf_setup    = buffer_setup,
664         .buf_prepare  = buffer_prepare,
665         .buf_queue    = buffer_queue,
666         .buf_release  = buffer_release,
667 };
668
669 /* ------------------------------------------------------------------ */
670
671
672 /* ------------------------------------------------------------------ */
673
674 static struct videobuf_queue* get_queue(struct cx8800_fh *fh)
675 {
676         switch (fh->type) {
677         case V4L2_BUF_TYPE_VIDEO_CAPTURE:
678                 return &fh->vidq;
679         case V4L2_BUF_TYPE_VBI_CAPTURE:
680                 return &fh->vbiq;
681         default:
682                 BUG();
683                 return NULL;
684         }
685 }
686
687 static int get_ressource(struct cx8800_fh *fh)
688 {
689         switch (fh->type) {
690         case V4L2_BUF_TYPE_VIDEO_CAPTURE:
691                 return RESOURCE_VIDEO;
692         case V4L2_BUF_TYPE_VBI_CAPTURE:
693                 return RESOURCE_VBI;
694         default:
695                 BUG();
696                 return 0;
697         }
698 }
699
700 static int video_open(struct inode *inode, struct file *file)
701 {
702         int minor = iminor(inode);
703         struct cx8800_dev *h,*dev = NULL;
704         struct cx8800_fh *fh;
705         struct list_head *list;
706         enum v4l2_buf_type type = 0;
707         int radio = 0;
708
709         list_for_each(list,&cx8800_devlist) {
710                 h = list_entry(list, struct cx8800_dev, devlist);
711                 if (h->video_dev->minor == minor) {
712                         dev  = h;
713                         type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
714                 }
715                 if (h->vbi_dev->minor == minor) {
716                         dev  = h;
717                         type = V4L2_BUF_TYPE_VBI_CAPTURE;
718                 }
719                 if (h->radio_dev &&
720                     h->radio_dev->minor == minor) {
721                         radio = 1;
722                         dev   = h;
723                 }
724         }
725         if (NULL == dev)
726                 return -ENODEV;
727
728         dprintk(1,"open minor=%d radio=%d type=%s\n",
729                 minor,radio,v4l2_type_names[type]);
730
731         /* allocate + initialize per filehandle data */
732         fh = kmalloc(sizeof(*fh),GFP_KERNEL);
733         if (NULL == fh)
734                 return -ENOMEM;
735         memset(fh,0,sizeof(*fh));
736         file->private_data = fh;
737         fh->dev      = dev;
738         fh->radio    = radio;
739         fh->type     = type;
740         fh->width    = 320;
741         fh->height   = 240;
742         fh->fmt      = format_by_fourcc(V4L2_PIX_FMT_BGR24);
743
744         videobuf_queue_init(&fh->vidq, &cx8800_video_qops,
745                             dev->pci, &dev->slock,
746                             V4L2_BUF_TYPE_VIDEO_CAPTURE,
747                             V4L2_FIELD_INTERLACED,
748                             sizeof(struct cx88_buffer),
749                             fh);
750         videobuf_queue_init(&fh->vbiq, &cx8800_vbi_qops,
751                             dev->pci, &dev->slock,
752                             V4L2_BUF_TYPE_VBI_CAPTURE,
753                             V4L2_FIELD_SEQ_TB,
754                             sizeof(struct cx88_buffer),
755                             fh);
756
757         if (fh->radio) {
758                 struct cx88_core *core = dev->core;
759                 int board = core->board;
760                 dprintk(1,"video_open: setting radio device\n");
761                 cx_write(MO_GP0_IO, cx88_boards[board].radio.gpio0);
762                 cx_write(MO_GP1_IO, cx88_boards[board].radio.gpio1);
763                 cx_write(MO_GP2_IO, cx88_boards[board].radio.gpio2);
764                 cx_write(MO_GP3_IO, cx88_boards[board].radio.gpio3);
765                 dev->core->tvaudio = WW_FM;
766                 cx88_set_tvaudio(core);
767                 cx88_set_stereo(core,V4L2_TUNER_MODE_STEREO,1);
768                 cx88_call_i2c_clients(dev->core,AUDC_SET_RADIO,NULL);
769         }
770
771         return 0;
772 }
773
774 static ssize_t
775 video_read(struct file *file, char *data, size_t count, loff_t *ppos)
776 {
777         struct cx8800_fh *fh = file->private_data;
778
779         switch (fh->type) {
780         case V4L2_BUF_TYPE_VIDEO_CAPTURE:
781                 if (res_locked(fh->dev,RESOURCE_VIDEO))
782                         return -EBUSY;
783                 return videobuf_read_one(&fh->vidq, data, count, ppos,
784                                          file->f_flags & O_NONBLOCK);
785         case V4L2_BUF_TYPE_VBI_CAPTURE:
786                 if (!res_get(fh->dev,fh,RESOURCE_VBI))
787                         return -EBUSY;
788                 return videobuf_read_stream(&fh->vbiq, data, count, ppos, 1,
789                                             file->f_flags & O_NONBLOCK);
790         default:
791                 BUG();
792                 return 0;
793         }
794 }
795
796 static unsigned int
797 video_poll(struct file *file, struct poll_table_struct *wait)
798 {
799         struct cx8800_fh *fh = file->private_data;
800         struct cx88_buffer *buf;
801
802         if (V4L2_BUF_TYPE_VBI_CAPTURE == fh->type) {
803                 if (!res_get(fh->dev,fh,RESOURCE_VBI))
804                         return POLLERR;
805                 return videobuf_poll_stream(file, &fh->vbiq, wait);
806         }
807
808         if (res_check(fh,RESOURCE_VIDEO)) {
809                 /* streaming capture */
810                 if (list_empty(&fh->vidq.stream))
811                         return POLLERR;
812                 buf = list_entry(fh->vidq.stream.next,struct cx88_buffer,vb.stream);
813         } else {
814                 /* read() capture */
815                 buf = (struct cx88_buffer*)fh->vidq.read_buf;
816                 if (NULL == buf)
817                         return POLLERR;
818         }
819         poll_wait(file, &buf->vb.done, wait);
820         if (buf->vb.state == STATE_DONE ||
821             buf->vb.state == STATE_ERROR)
822                 return POLLIN|POLLRDNORM;
823         return 0;
824 }
825
826 static int video_release(struct inode *inode, struct file *file)
827 {
828         struct cx8800_fh  *fh  = file->private_data;
829         struct cx8800_dev *dev = fh->dev;
830
831         /* turn off overlay */
832         if (res_check(fh, RESOURCE_OVERLAY)) {
833                 /* FIXME */
834                 res_free(dev,fh,RESOURCE_OVERLAY);
835         }
836
837         /* stop video capture */
838         if (res_check(fh, RESOURCE_VIDEO)) {
839                 videobuf_queue_cancel(&fh->vidq);
840                 res_free(dev,fh,RESOURCE_VIDEO);
841         }
842         if (fh->vidq.read_buf) {
843                 buffer_release(&fh->vidq,fh->vidq.read_buf);
844                 kfree(fh->vidq.read_buf);
845         }
846
847         /* stop vbi capture */
848         if (res_check(fh, RESOURCE_VBI)) {
849                 if (fh->vbiq.streaming)
850                         videobuf_streamoff(&fh->vbiq);
851                 if (fh->vbiq.reading)
852                         videobuf_read_stop(&fh->vbiq);
853                 res_free(dev,fh,RESOURCE_VBI);
854         }
855
856         videobuf_mmap_free(&fh->vidq);
857         videobuf_mmap_free(&fh->vbiq);
858         file->private_data = NULL;
859         kfree(fh);
860         return 0;
861 }
862
863 static int
864 video_mmap(struct file *file, struct vm_area_struct * vma)
865 {
866         struct cx8800_fh *fh = file->private_data;
867
868         return videobuf_mmap_mapper(get_queue(fh), vma);
869 }
870
871 /* ------------------------------------------------------------------ */
872
873 static int get_control(struct cx8800_dev *dev, struct v4l2_control *ctl)
874 {
875         struct cx88_core *core = dev->core;
876         struct cx88_ctrl *c = NULL;
877         u32 value;
878         int i;
879
880         for (i = 0; i < CX8800_CTLS; i++)
881                 if (cx8800_ctls[i].v.id == ctl->id)
882                         c = &cx8800_ctls[i];
883         if (NULL == c)
884                 return -EINVAL;
885
886         value = c->sreg ? cx_sread(c->sreg) : cx_read(c->reg);
887         switch (ctl->id) {
888         case V4L2_CID_AUDIO_BALANCE:
889                 ctl->value = (value & 0x40) ? (value & 0x3f) : (0x40 - (value & 0x3f));
890                 break;
891         case V4L2_CID_AUDIO_VOLUME:
892                 ctl->value = 0x3f - (value & 0x3f);
893                 break;
894         default:
895                 ctl->value = ((value + (c->off << c->shift)) & c->mask) >> c->shift;
896                 break;
897         }
898         return 0;
899 }
900
901 static int set_control(struct cx8800_dev *dev, struct v4l2_control *ctl)
902 {
903         struct cx88_core *core = dev->core;
904         struct cx88_ctrl *c = NULL;
905         u32 v_sat_value;
906         u32 value;
907         int i;
908
909         for (i = 0; i < CX8800_CTLS; i++)
910                 if (cx8800_ctls[i].v.id == ctl->id)
911                         c = &cx8800_ctls[i];
912         if (NULL == c)
913                 return -EINVAL;
914
915         if (ctl->value < c->v.minimum)
916                 return -ERANGE;
917         if (ctl->value > c->v.maximum)
918                 return -ERANGE;
919         switch (ctl->id) {
920         case V4L2_CID_AUDIO_BALANCE:
921                 value = (ctl->value < 0x40) ? (0x40 - ctl->value) : ctl->value;
922                 break;
923         case V4L2_CID_AUDIO_VOLUME:
924                 value = 0x3f - (ctl->value & 0x3f);
925                 break;
926         case V4L2_CID_SATURATION:
927                 /* special v_sat handling */
928                 v_sat_value = ctl->value - (0x7f - 0x5a);
929                 if (v_sat_value > 0xff)
930                         v_sat_value = 0xff;
931                 if (v_sat_value < 0x00)
932                         v_sat_value = 0x00;
933                 cx_andor(MO_UV_SATURATION, 0xff00, v_sat_value << 8);
934                 /* fall through to default route for u_sat */
935         default:
936                 value = ((ctl->value - c->off) << c->shift) & c->mask;
937                 break;
938         }
939         dprintk(1,"set_control id=0x%X reg=0x%x val=0x%x%s\n",
940                 ctl->id, c->reg, value, c->sreg ? " [shadowed]" : "");
941         if (c->sreg) {
942                 cx_sandor(c->sreg, c->reg, c->mask, value);
943         } else {
944                 cx_andor(c->reg, c->mask, value);
945         }
946         return 0;
947 }
948
949 static void init_controls(struct cx8800_dev *dev)
950 {
951         static struct v4l2_control mute = {
952                 .id    = V4L2_CID_AUDIO_MUTE,
953                 .value = 1,
954         };
955         static struct v4l2_control volume = {
956                 .id    = V4L2_CID_AUDIO_VOLUME,
957                 .value = 0x3f,
958         };
959         static struct v4l2_control hue = {
960                 .id    = V4L2_CID_HUE,
961                 .value = 0x80,
962         };
963         static struct v4l2_control contrast = {
964                 .id    = V4L2_CID_CONTRAST,
965                 .value = 0x80,
966         };
967         static struct v4l2_control brightness = {
968                 .id    = V4L2_CID_BRIGHTNESS,
969                 .value = 0x80,
970         };
971
972         set_control(dev,&mute);
973         set_control(dev,&volume);
974         set_control(dev,&hue);
975         set_control(dev,&contrast);
976         set_control(dev,&brightness);
977 }
978
979 /* ------------------------------------------------------------------ */
980
981 static int cx8800_g_fmt(struct cx8800_dev *dev, struct cx8800_fh *fh,
982                         struct v4l2_format *f)
983 {
984         switch (f->type) {
985         case V4L2_BUF_TYPE_VIDEO_CAPTURE:
986                 memset(&f->fmt.pix,0,sizeof(f->fmt.pix));
987                 f->fmt.pix.width        = fh->width;
988                 f->fmt.pix.height       = fh->height;
989                 f->fmt.pix.field        = fh->vidq.field;
990                 f->fmt.pix.pixelformat  = fh->fmt->fourcc;
991                 f->fmt.pix.bytesperline =
992                         (f->fmt.pix.width * fh->fmt->depth) >> 3;
993                 f->fmt.pix.sizeimage =
994                         f->fmt.pix.height * f->fmt.pix.bytesperline;
995                 return 0;
996         case V4L2_BUF_TYPE_VBI_CAPTURE:
997                 cx8800_vbi_fmt(dev, f);
998                 return 0;
999         default:
1000                 return -EINVAL;
1001         }
1002 }
1003
1004 static int cx8800_try_fmt(struct cx8800_dev *dev, struct cx8800_fh *fh,
1005                           struct v4l2_format *f)
1006 {
1007         switch (f->type) {
1008         case V4L2_BUF_TYPE_VIDEO_CAPTURE:
1009         {
1010                 struct cx8800_fmt *fmt;
1011                 enum v4l2_field field;
1012                 unsigned int maxw, maxh;
1013
1014                 fmt = format_by_fourcc(f->fmt.pix.pixelformat);
1015                 if (NULL == fmt)
1016                         return -EINVAL;
1017
1018                 field = f->fmt.pix.field;
1019                 maxw  = norm_maxw(dev->core->tvnorm);
1020                 maxh  = norm_maxh(dev->core->tvnorm);
1021
1022                 if (V4L2_FIELD_ANY == field) {
1023                         field = (f->fmt.pix.height > maxh/2)
1024                                 ? V4L2_FIELD_INTERLACED
1025                                 : V4L2_FIELD_BOTTOM;
1026                 }
1027
1028                 switch (field) {
1029                 case V4L2_FIELD_TOP:
1030                 case V4L2_FIELD_BOTTOM:
1031                         maxh = maxh / 2;
1032                         break;
1033                 case V4L2_FIELD_INTERLACED:
1034                         break;
1035                 default:
1036                         return -EINVAL;
1037                 }
1038
1039                 f->fmt.pix.field = field;
1040                 if (f->fmt.pix.height < 32)
1041                         f->fmt.pix.height = 32;
1042                 if (f->fmt.pix.height > maxh)
1043                         f->fmt.pix.height = maxh;
1044                 if (f->fmt.pix.width < 48)
1045                         f->fmt.pix.width = 48;
1046                 if (f->fmt.pix.width > maxw)
1047                         f->fmt.pix.width = maxw;
1048                 f->fmt.pix.width &= ~0x03;
1049                 f->fmt.pix.bytesperline =
1050                         (f->fmt.pix.width * fmt->depth) >> 3;
1051                 f->fmt.pix.sizeimage =
1052                         f->fmt.pix.height * f->fmt.pix.bytesperline;
1053
1054                 return 0;
1055         }
1056         case V4L2_BUF_TYPE_VBI_CAPTURE:
1057                 cx8800_vbi_fmt(dev, f);
1058                 return 0;
1059         default:
1060                 return -EINVAL;
1061         }
1062 }
1063
1064 static int cx8800_s_fmt(struct cx8800_dev *dev, struct cx8800_fh *fh,
1065                         struct v4l2_format *f)
1066 {
1067         int err;
1068
1069         switch (f->type) {
1070         case V4L2_BUF_TYPE_VIDEO_CAPTURE:
1071                 err = cx8800_try_fmt(dev,fh,f);
1072                 if (0 != err)
1073                         return err;
1074
1075                 fh->fmt        = format_by_fourcc(f->fmt.pix.pixelformat);
1076                 fh->width      = f->fmt.pix.width;
1077                 fh->height     = f->fmt.pix.height;
1078                 fh->vidq.field = f->fmt.pix.field;
1079                 return 0;
1080         case V4L2_BUF_TYPE_VBI_CAPTURE:
1081                 cx8800_vbi_fmt(dev, f);
1082                 return 0;
1083         default:
1084                 return -EINVAL;
1085         }
1086 }
1087
1088 /*
1089  * This function is _not_ called directly, but from
1090  * video_generic_ioctl (and maybe others).  userspace
1091  * copying is done already, arg is a kernel pointer.
1092  */
1093 static int video_do_ioctl(struct inode *inode, struct file *file,
1094                           unsigned int cmd, void *arg)
1095 {
1096         struct cx8800_fh  *fh   = file->private_data;
1097         struct cx8800_dev *dev  = fh->dev;
1098         struct cx88_core  *core = dev->core;
1099         int err;
1100
1101         if (video_debug > 1)
1102                 cx88_print_ioctl(core->name,cmd);
1103         switch (cmd) {
1104         case VIDIOC_QUERYCAP:
1105         {
1106                 struct v4l2_capability *cap = arg;
1107
1108                 memset(cap,0,sizeof(*cap));
1109                 strcpy(cap->driver, "cx8800");
1110                 strlcpy(cap->card, cx88_boards[core->board].name,
1111                         sizeof(cap->card));
1112                 sprintf(cap->bus_info,"PCI:%s",pci_name(dev->pci));
1113                 cap->version = CX88_VERSION_CODE;
1114                 cap->capabilities =
1115                         V4L2_CAP_VIDEO_CAPTURE |
1116                         V4L2_CAP_READWRITE     |
1117                         V4L2_CAP_STREAMING     |
1118                         V4L2_CAP_VBI_CAPTURE   |
1119                         0;
1120                 if (UNSET != core->tuner_type)
1121                         cap->capabilities |= V4L2_CAP_TUNER;
1122                 return 0;
1123         }
1124
1125         /* ---------- tv norms ---------- */
1126         case VIDIOC_ENUMSTD:
1127         {
1128                 struct v4l2_standard *e = arg;
1129                 unsigned int i;
1130
1131                 i = e->index;
1132                 if (i >= ARRAY_SIZE(tvnorms))
1133                         return -EINVAL;
1134                 err = v4l2_video_std_construct(e, tvnorms[e->index].id,
1135                                                tvnorms[e->index].name);
1136                 e->index = i;
1137                 if (err < 0)
1138                         return err;
1139                 return 0;
1140         }
1141         case VIDIOC_G_STD:
1142         {
1143                 v4l2_std_id *id = arg;
1144
1145                 *id = core->tvnorm->id;
1146                 return 0;
1147         }
1148         case VIDIOC_S_STD:
1149         {
1150                 v4l2_std_id *id = arg;
1151                 unsigned int i;
1152
1153                 for(i = 0; i < ARRAY_SIZE(tvnorms); i++)
1154                         if (*id & tvnorms[i].id)
1155                                 break;
1156                 if (i == ARRAY_SIZE(tvnorms))
1157                         return -EINVAL;
1158
1159                 down(&dev->lock);
1160                 cx88_set_tvnorm(dev->core,&tvnorms[i]);
1161                 up(&dev->lock);
1162                 return 0;
1163         }
1164
1165         /* ------ input switching ---------- */
1166         case VIDIOC_ENUMINPUT:
1167         {
1168                 static const char *iname[] = {
1169                         [ CX88_VMUX_COMPOSITE1 ] = "Composite1",
1170                         [ CX88_VMUX_COMPOSITE2 ] = "Composite2",
1171                         [ CX88_VMUX_COMPOSITE3 ] = "Composite3",
1172                         [ CX88_VMUX_COMPOSITE4 ] = "Composite4",
1173                         [ CX88_VMUX_SVIDEO     ] = "S-Video",
1174                         [ CX88_VMUX_TELEVISION ] = "Television",
1175                         [ CX88_VMUX_CABLE      ] = "Cable TV",
1176                         [ CX88_VMUX_DVB        ] = "DVB",
1177                         [ CX88_VMUX_DEBUG      ] = "for debug only",
1178                 };
1179                 struct v4l2_input *i = arg;
1180                 unsigned int n;
1181
1182                 n = i->index;
1183                 if (n >= 4)
1184                         return -EINVAL;
1185                 if (0 == INPUT(n)->type)
1186                         return -EINVAL;
1187                 memset(i,0,sizeof(*i));
1188                 i->index = n;
1189                 i->type  = V4L2_INPUT_TYPE_CAMERA;
1190                 strcpy(i->name,iname[INPUT(n)->type]);
1191                 if ((CX88_VMUX_TELEVISION == INPUT(n)->type) ||
1192                     (CX88_VMUX_CABLE      == INPUT(n)->type))
1193                         i->type = V4L2_INPUT_TYPE_TUNER;
1194                 for (n = 0; n < ARRAY_SIZE(tvnorms); n++)
1195                         i->std |= tvnorms[n].id;
1196                 return 0;
1197         }
1198         case VIDIOC_G_INPUT:
1199         {
1200                 unsigned int *i = arg;
1201
1202                 *i = dev->core->input;
1203                 return 0;
1204         }
1205         case VIDIOC_S_INPUT:
1206         {
1207                 unsigned int *i = arg;
1208
1209                 if (*i >= 4)
1210                         return -EINVAL;
1211                 down(&dev->lock);
1212                 cx88_newstation(core);
1213                 video_mux(dev,*i);
1214                 up(&dev->lock);
1215                 return 0;
1216         }
1217
1218
1219
1220         /* --- capture ioctls ---------------------------------------- */
1221         case VIDIOC_ENUM_FMT:
1222         {
1223                 struct v4l2_fmtdesc *f = arg;
1224                 enum v4l2_buf_type type;
1225                 unsigned int index;
1226
1227                 index = f->index;
1228                 type  = f->type;
1229                 switch (type) {
1230                 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
1231                         if (index >= ARRAY_SIZE(formats))
1232                                 return -EINVAL;
1233                         memset(f,0,sizeof(*f));
1234                         f->index = index;
1235                         f->type  = type;
1236                         strlcpy(f->description,formats[index].name,sizeof(f->description));
1237                         f->pixelformat = formats[index].fourcc;
1238                         break;
1239                 default:
1240                         return -EINVAL;
1241                 }
1242                 return 0;
1243         }
1244         case VIDIOC_G_FMT:
1245         {
1246                 struct v4l2_format *f = arg;
1247                 return cx8800_g_fmt(dev,fh,f);
1248         }
1249         case VIDIOC_S_FMT:
1250         {
1251                 struct v4l2_format *f = arg;
1252                 return cx8800_s_fmt(dev,fh,f);
1253         }
1254         case VIDIOC_TRY_FMT:
1255         {
1256                 struct v4l2_format *f = arg;
1257                 return cx8800_try_fmt(dev,fh,f);
1258         }
1259
1260         /* --- controls ---------------------------------------------- */
1261         case VIDIOC_QUERYCTRL:
1262         {
1263                 struct v4l2_queryctrl *c = arg;
1264                 int i;
1265
1266                 if (c->id <  V4L2_CID_BASE ||
1267                     c->id >= V4L2_CID_LASTP1)
1268                         return -EINVAL;
1269                 for (i = 0; i < CX8800_CTLS; i++)
1270                         if (cx8800_ctls[i].v.id == c->id)
1271                                 break;
1272                 if (i == CX8800_CTLS) {
1273                         *c = no_ctl;
1274                         return 0;
1275                 }
1276                 *c = cx8800_ctls[i].v;
1277                 return 0;
1278         }
1279         case VIDIOC_G_CTRL:
1280                 return get_control(dev,arg);
1281         case VIDIOC_S_CTRL:
1282                 return set_control(dev,arg);
1283
1284         /* --- tuner ioctls ------------------------------------------ */
1285         case VIDIOC_G_TUNER:
1286         {
1287                 struct v4l2_tuner *t = arg;
1288                 u32 reg;
1289
1290                 if (UNSET == core->tuner_type)
1291                         return -EINVAL;
1292                 if (0 != t->index)
1293                         return -EINVAL;
1294
1295                 memset(t,0,sizeof(*t));
1296                 strcpy(t->name, "Television");
1297                 t->type       = V4L2_TUNER_ANALOG_TV;
1298                 t->capability = V4L2_TUNER_CAP_NORM;
1299                 t->rangehigh  = 0xffffffffUL;
1300
1301                 cx88_get_stereo(core ,t);
1302                 reg = cx_read(MO_DEVICE_STATUS);
1303                 t->signal = (reg & (1<<5)) ? 0xffff : 0x0000;
1304                 return 0;
1305         }
1306         case VIDIOC_S_TUNER:
1307         {
1308                 struct v4l2_tuner *t = arg;
1309
1310                 if (UNSET == core->tuner_type)
1311                         return -EINVAL;
1312                 if (0 != t->index)
1313                         return -EINVAL;
1314                 cx88_set_stereo(core, t->audmode, 1);
1315                 return 0;
1316         }
1317         case VIDIOC_G_FREQUENCY:
1318         {
1319                 struct v4l2_frequency *f = arg;
1320
1321                 memset(f,0,sizeof(*f));
1322
1323                 if (UNSET == core->tuner_type)
1324                         return -EINVAL;
1325
1326                 f->type = fh->radio ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV;
1327                 f->frequency = dev->freq;
1328
1329                 cx88_call_i2c_clients(dev->core,VIDIOC_G_FREQUENCY,f);
1330
1331                 return 0;
1332         }
1333         case VIDIOC_S_FREQUENCY:
1334         {
1335                 struct v4l2_frequency *f = arg;
1336
1337                 if (UNSET == core->tuner_type)
1338                         return -EINVAL;
1339                 if (f->tuner != 0)
1340                         return -EINVAL;
1341                 if (0 == fh->radio && f->type != V4L2_TUNER_ANALOG_TV)
1342                         return -EINVAL;
1343                 if (1 == fh->radio && f->type != V4L2_TUNER_RADIO)
1344                         return -EINVAL;
1345                 down(&dev->lock);
1346                 dev->freq = f->frequency;
1347                 cx88_newstation(core);
1348                 cx88_call_i2c_clients(dev->core,VIDIOC_S_FREQUENCY,f);
1349
1350                 /* When changing channels it is required to reset TVAUDIO */
1351                 msleep (10);
1352                 cx88_set_tvaudio(core);
1353
1354                 up(&dev->lock);
1355                 return 0;
1356         }
1357
1358         /* --- streaming capture ------------------------------------- */
1359         case VIDIOCGMBUF:
1360         {
1361                 struct video_mbuf *mbuf = arg;
1362                 struct videobuf_queue *q;
1363                 struct v4l2_requestbuffers req;
1364                 unsigned int i;
1365
1366                 q = get_queue(fh);
1367                 memset(&req,0,sizeof(req));
1368                 req.type   = q->type;
1369                 req.count  = 8;
1370                 req.memory = V4L2_MEMORY_MMAP;
1371                 err = videobuf_reqbufs(q,&req);
1372                 if (err < 0)
1373                         return err;
1374                 memset(mbuf,0,sizeof(*mbuf));
1375                 mbuf->frames = req.count;
1376                 mbuf->size   = 0;
1377                 for (i = 0; i < mbuf->frames; i++) {
1378                         mbuf->offsets[i]  = q->bufs[i]->boff;
1379                         mbuf->size       += q->bufs[i]->bsize;
1380                 }
1381                 return 0;
1382         }
1383         case VIDIOC_REQBUFS:
1384                 return videobuf_reqbufs(get_queue(fh), arg);
1385
1386         case VIDIOC_QUERYBUF:
1387                 return videobuf_querybuf(get_queue(fh), arg);
1388
1389         case VIDIOC_QBUF:
1390                 return videobuf_qbuf(get_queue(fh), arg);
1391
1392         case VIDIOC_DQBUF:
1393                 return videobuf_dqbuf(get_queue(fh), arg,
1394                                       file->f_flags & O_NONBLOCK);
1395
1396         case VIDIOC_STREAMON:
1397         {
1398                 int res = get_ressource(fh);
1399
1400                 if (!res_get(dev,fh,res))
1401                         return -EBUSY;
1402                 return videobuf_streamon(get_queue(fh));
1403         }
1404         case VIDIOC_STREAMOFF:
1405         {
1406                 int res = get_ressource(fh);
1407
1408                 err = videobuf_streamoff(get_queue(fh));
1409                 if (err < 0)
1410                         return err;
1411                 res_free(dev,fh,res);
1412                 return 0;
1413         }
1414
1415         default:
1416                 return v4l_compat_translate_ioctl(inode,file,cmd,arg,
1417                                                   video_do_ioctl);
1418         }
1419         return 0;
1420 }
1421
1422 static int video_ioctl(struct inode *inode, struct file *file,
1423                        unsigned int cmd, unsigned long arg)
1424 {
1425         return video_usercopy(inode, file, cmd, arg, video_do_ioctl);
1426 }
1427
1428 /* ----------------------------------------------------------- */
1429
1430 static int radio_do_ioctl(struct inode *inode, struct file *file,
1431                         unsigned int cmd, void *arg)
1432 {
1433         struct cx8800_fh *fh    = file->private_data;
1434         struct cx8800_dev *dev  = fh->dev;
1435         struct cx88_core  *core = dev->core;
1436
1437         if (video_debug > 1)
1438                 cx88_print_ioctl(core->name,cmd);
1439
1440         switch (cmd) {
1441         case VIDIOC_QUERYCAP:
1442         {
1443                 struct v4l2_capability *cap = arg;
1444
1445                 memset(cap,0,sizeof(*cap));
1446                 strcpy(cap->driver, "cx8800");
1447                 strlcpy(cap->card, cx88_boards[core->board].name,
1448                         sizeof(cap->card));
1449                 sprintf(cap->bus_info,"PCI:%s", pci_name(dev->pci));
1450                 cap->version = CX88_VERSION_CODE;
1451                 cap->capabilities = V4L2_CAP_TUNER;
1452                 return 0;
1453         }
1454         case VIDIOC_G_TUNER:
1455         {
1456                 struct v4l2_tuner *t = arg;
1457
1458                 if (t->index > 0)
1459                         return -EINVAL;
1460
1461                 memset(t,0,sizeof(*t));
1462                 strcpy(t->name, "Radio");
1463
1464                 cx88_call_i2c_clients(dev->core,VIDIOC_G_TUNER,t);
1465                 return 0;
1466         }
1467         case VIDIOC_ENUMINPUT:
1468         {
1469                 struct v4l2_input *i = arg;
1470
1471                 if (i->index != 0)
1472                         return -EINVAL;
1473                 strcpy(i->name,"Radio");
1474                 i->type = V4L2_INPUT_TYPE_TUNER;
1475                 return 0;
1476         }
1477         case VIDIOC_G_INPUT:
1478         {
1479                 int *i = arg;
1480                 *i = 0;
1481                 return 0;
1482         }
1483         case VIDIOC_G_AUDIO:
1484         {
1485                 struct v4l2_audio *a = arg;
1486
1487                 memset(a,0,sizeof(*a));
1488                 strcpy(a->name,"Radio");
1489                 return 0;
1490         }
1491         case VIDIOC_G_STD:
1492         {
1493                 v4l2_std_id *id = arg;
1494                 *id = 0;
1495                 return 0;
1496         }
1497         case VIDIOCSTUNER:
1498         {
1499                 struct video_tuner *v = arg;
1500
1501                 if (v->tuner) /* Only tuner 0 */
1502                         return -EINVAL;
1503
1504                 cx88_call_i2c_clients(dev->core,VIDIOCSTUNER,v);
1505                 return 0;
1506         }
1507         case VIDIOC_S_TUNER:
1508         {
1509                 struct v4l2_tuner *t = arg;
1510
1511                 if (0 != t->index)
1512                         return -EINVAL;
1513
1514                 cx88_call_i2c_clients(dev->core,VIDIOC_S_TUNER,t);
1515
1516                 return 0;
1517         }
1518
1519         case VIDIOC_S_AUDIO:
1520         case VIDIOC_S_INPUT:
1521         case VIDIOC_S_STD:
1522                 return 0;
1523
1524         case VIDIOC_QUERYCTRL:
1525         {
1526                 struct v4l2_queryctrl *c = arg;
1527                 int i;
1528
1529                 if (c->id <  V4L2_CID_BASE ||
1530                     c->id >= V4L2_CID_LASTP1)
1531                         return -EINVAL;
1532                 if (c->id == V4L2_CID_AUDIO_MUTE) {
1533                         for (i = 0; i < CX8800_CTLS; i++)
1534                                 if (cx8800_ctls[i].v.id == c->id)
1535                                         break;
1536                         *c = cx8800_ctls[i].v;
1537                 } else
1538                         *c = no_ctl;
1539                 return 0;
1540         }
1541
1542
1543         case VIDIOC_G_CTRL:
1544         case VIDIOC_S_CTRL:
1545         case VIDIOC_G_FREQUENCY:
1546         case VIDIOC_S_FREQUENCY:
1547                 return video_do_ioctl(inode,file,cmd,arg);
1548
1549         default:
1550                 return v4l_compat_translate_ioctl(inode,file,cmd,arg,
1551                                                   radio_do_ioctl);
1552         }
1553         return 0;
1554 };
1555
1556 static int radio_ioctl(struct inode *inode, struct file *file,
1557                         unsigned int cmd, unsigned long arg)
1558 {
1559         return video_usercopy(inode, file, cmd, arg, radio_do_ioctl);
1560 };
1561
1562 /* ----------------------------------------------------------- */
1563
1564 static void cx8800_vid_timeout(unsigned long data)
1565 {
1566         struct cx8800_dev *dev = (struct cx8800_dev*)data;
1567         struct cx88_core *core = dev->core;
1568         struct cx88_dmaqueue *q = &dev->vidq;
1569         struct cx88_buffer *buf;
1570         unsigned long flags;
1571
1572         cx88_sram_channel_dump(dev->core, &cx88_sram_channels[SRAM_CH21]);
1573
1574         cx_clear(MO_VID_DMACNTRL, 0x11);
1575         cx_clear(VID_CAPTURE_CONTROL, 0x06);
1576
1577         spin_lock_irqsave(&dev->slock,flags);
1578         while (!list_empty(&q->active)) {
1579                 buf = list_entry(q->active.next, struct cx88_buffer, vb.queue);
1580                 list_del(&buf->vb.queue);
1581                 buf->vb.state = STATE_ERROR;
1582                 wake_up(&buf->vb.done);
1583                 printk("%s/0: [%p/%d] timeout - dma=0x%08lx\n", core->name,
1584                        buf, buf->vb.i, (unsigned long)buf->risc.dma);
1585         }
1586         restart_video_queue(dev,q);
1587         spin_unlock_irqrestore(&dev->slock,flags);
1588 }
1589
1590 static char *cx88_vid_irqs[32] = {
1591         "y_risci1", "u_risci1", "v_risci1", "vbi_risc1",
1592         "y_risci2", "u_risci2", "v_risci2", "vbi_risc2",
1593         "y_oflow",  "u_oflow",  "v_oflow",  "vbi_oflow",
1594         "y_sync",   "u_sync",   "v_sync",   "vbi_sync",
1595         "opc_err",  "par_err",  "rip_err",  "pci_abort",
1596 };
1597
1598 static void cx8800_vid_irq(struct cx8800_dev *dev)
1599 {
1600         struct cx88_core *core = dev->core;
1601         u32 status, mask, count;
1602
1603         status = cx_read(MO_VID_INTSTAT);
1604         mask   = cx_read(MO_VID_INTMSK);
1605         if (0 == (status & mask))
1606                 return;
1607         cx_write(MO_VID_INTSTAT, status);
1608         if (irq_debug  ||  (status & mask & ~0xff))
1609                 cx88_print_irqbits(core->name, "irq vid",
1610                                    cx88_vid_irqs, status, mask);
1611
1612         /* risc op code error */
1613         if (status & (1 << 16)) {
1614                 printk(KERN_WARNING "%s/0: video risc op code error\n",core->name);
1615                 cx_clear(MO_VID_DMACNTRL, 0x11);
1616                 cx_clear(VID_CAPTURE_CONTROL, 0x06);
1617                 cx88_sram_channel_dump(dev->core, &cx88_sram_channels[SRAM_CH21]);
1618         }
1619
1620         /* risc1 y */
1621         if (status & 0x01) {
1622                 spin_lock(&dev->slock);
1623                 count = cx_read(MO_VIDY_GPCNT);
1624                 cx88_wakeup(dev->core, &dev->vidq, count);
1625                 spin_unlock(&dev->slock);
1626         }
1627
1628         /* risc1 vbi */
1629         if (status & 0x08) {
1630                 spin_lock(&dev->slock);
1631                 count = cx_read(MO_VBI_GPCNT);
1632                 cx88_wakeup(dev->core, &dev->vbiq, count);
1633                 spin_unlock(&dev->slock);
1634         }
1635
1636         /* risc2 y */
1637         if (status & 0x10) {
1638                 dprintk(2,"stopper video\n");
1639                 spin_lock(&dev->slock);
1640                 restart_video_queue(dev,&dev->vidq);
1641                 spin_unlock(&dev->slock);
1642         }
1643
1644         /* risc2 vbi */
1645         if (status & 0x80) {
1646                 dprintk(2,"stopper vbi\n");
1647                 spin_lock(&dev->slock);
1648                 cx8800_restart_vbi_queue(dev,&dev->vbiq);
1649                 spin_unlock(&dev->slock);
1650         }
1651 }
1652
1653 static irqreturn_t cx8800_irq(int irq, void *dev_id, struct pt_regs *regs)
1654 {
1655         struct cx8800_dev *dev = dev_id;
1656         struct cx88_core *core = dev->core;
1657         u32 status;
1658         int loop, handled = 0;
1659
1660         for (loop = 0; loop < 10; loop++) {
1661                 status = cx_read(MO_PCI_INTSTAT) & (core->pci_irqmask | 0x01);
1662                 if (0 == status)
1663                         goto out;
1664                 cx_write(MO_PCI_INTSTAT, status);
1665                 handled = 1;
1666
1667                 if (status & core->pci_irqmask)
1668                         cx88_core_irq(core,status);
1669                 if (status & 0x01)
1670                         cx8800_vid_irq(dev);
1671         };
1672         if (10 == loop) {
1673                 printk(KERN_WARNING "%s/0: irq loop -- clearing mask\n",
1674                        core->name);
1675                 cx_write(MO_PCI_INTMSK,0);
1676         }
1677
1678  out:
1679         return IRQ_RETVAL(handled);
1680 }
1681
1682 /* ----------------------------------------------------------- */
1683 /* exported stuff                                              */
1684
1685 static struct file_operations video_fops =
1686 {
1687         .owner         = THIS_MODULE,
1688         .open          = video_open,
1689         .release       = video_release,
1690         .read          = video_read,
1691         .poll          = video_poll,
1692         .mmap          = video_mmap,
1693         .ioctl         = video_ioctl,
1694         .llseek        = no_llseek,
1695 };
1696
1697 static struct video_device cx8800_video_template =
1698 {
1699         .name          = "cx8800-video",
1700         .type          = VID_TYPE_CAPTURE|VID_TYPE_TUNER|VID_TYPE_SCALES,
1701         .hardware      = 0,
1702         .fops          = &video_fops,
1703         .minor         = -1,
1704 };
1705
1706 static struct video_device cx8800_vbi_template =
1707 {
1708         .name          = "cx8800-vbi",
1709         .type          = VID_TYPE_TELETEXT|VID_TYPE_TUNER,
1710         .hardware      = 0,
1711         .fops          = &video_fops,
1712         .minor         = -1,
1713 };
1714
1715 static struct file_operations radio_fops =
1716 {
1717         .owner         = THIS_MODULE,
1718         .open          = video_open,
1719         .release       = video_release,
1720         .ioctl         = radio_ioctl,
1721         .llseek        = no_llseek,
1722 };
1723
1724 static struct video_device cx8800_radio_template =
1725 {
1726         .name          = "cx8800-radio",
1727         .type          = VID_TYPE_TUNER,
1728         .hardware      = 0,
1729         .fops          = &radio_fops,
1730         .minor         = -1,
1731 };
1732
1733 /* ----------------------------------------------------------- */
1734
1735 static void cx8800_unregister_video(struct cx8800_dev *dev)
1736 {
1737         if (dev->radio_dev) {
1738                 if (-1 != dev->radio_dev->minor)
1739                         video_unregister_device(dev->radio_dev);
1740                 else
1741                         video_device_release(dev->radio_dev);
1742                 dev->radio_dev = NULL;
1743         }
1744         if (dev->vbi_dev) {
1745                 if (-1 != dev->vbi_dev->minor)
1746                         video_unregister_device(dev->vbi_dev);
1747                 else
1748                         video_device_release(dev->vbi_dev);
1749                 dev->vbi_dev = NULL;
1750         }
1751         if (dev->video_dev) {
1752                 if (-1 != dev->video_dev->minor)
1753                         video_unregister_device(dev->video_dev);
1754                 else
1755                         video_device_release(dev->video_dev);
1756                 dev->video_dev = NULL;
1757         }
1758 }
1759
1760 static int __devinit cx8800_initdev(struct pci_dev *pci_dev,
1761                                     const struct pci_device_id *pci_id)
1762 {
1763         struct cx8800_dev *dev;
1764         struct cx88_core *core;
1765         int err;
1766
1767         dev = kmalloc(sizeof(*dev),GFP_KERNEL);
1768         if (NULL == dev)
1769                 return -ENOMEM;
1770         memset(dev,0,sizeof(*dev));
1771
1772         /* pci init */
1773         dev->pci = pci_dev;
1774         if (pci_enable_device(pci_dev)) {
1775                 err = -EIO;
1776                 goto fail_free;
1777         }
1778         core = cx88_core_get(dev->pci);
1779         if (NULL == core) {
1780                 err = -EINVAL;
1781                 goto fail_free;
1782         }
1783         dev->core = core;
1784
1785         /* print pci info */
1786         pci_read_config_byte(pci_dev, PCI_CLASS_REVISION, &dev->pci_rev);
1787         pci_read_config_byte(pci_dev, PCI_LATENCY_TIMER,  &dev->pci_lat);
1788         printk(KERN_INFO "%s/0: found at %s, rev: %d, irq: %d, "
1789                "latency: %d, mmio: 0x%lx\n", core->name,
1790                pci_name(pci_dev), dev->pci_rev, pci_dev->irq,
1791                dev->pci_lat,pci_resource_start(pci_dev,0));
1792
1793         pci_set_master(pci_dev);
1794         if (!pci_dma_supported(pci_dev,0xffffffff)) {
1795                 printk("%s/0: Oops: no 32bit PCI DMA ???\n",core->name);
1796                 err = -EIO;
1797                 goto fail_core;
1798         }
1799
1800         /* initialize driver struct */
1801         init_MUTEX(&dev->lock);
1802         spin_lock_init(&dev->slock);
1803         core->tvnorm = tvnorms;
1804
1805         /* init video dma queues */
1806         INIT_LIST_HEAD(&dev->vidq.active);
1807         INIT_LIST_HEAD(&dev->vidq.queued);
1808         dev->vidq.timeout.function = cx8800_vid_timeout;
1809         dev->vidq.timeout.data     = (unsigned long)dev;
1810         init_timer(&dev->vidq.timeout);
1811         cx88_risc_stopper(dev->pci,&dev->vidq.stopper,
1812                           MO_VID_DMACNTRL,0x11,0x00);
1813
1814         /* init vbi dma queues */
1815         INIT_LIST_HEAD(&dev->vbiq.active);
1816         INIT_LIST_HEAD(&dev->vbiq.queued);
1817         dev->vbiq.timeout.function = cx8800_vbi_timeout;
1818         dev->vbiq.timeout.data     = (unsigned long)dev;
1819         init_timer(&dev->vbiq.timeout);
1820         cx88_risc_stopper(dev->pci,&dev->vbiq.stopper,
1821                           MO_VID_DMACNTRL,0x88,0x00);
1822
1823         /* get irq */
1824         err = request_irq(pci_dev->irq, cx8800_irq,
1825                           SA_SHIRQ | SA_INTERRUPT, core->name, dev);
1826         if (err < 0) {
1827                 printk(KERN_ERR "%s: can't get IRQ %d\n",
1828                        core->name,pci_dev->irq);
1829                 goto fail_core;
1830         }
1831         cx_set(MO_PCI_INTMSK, core->pci_irqmask);
1832
1833         /* load and configure helper modules */
1834         if (TUNER_ABSENT != core->tuner_type)
1835                 request_module("tuner");
1836         if (core->tda9887_conf)
1837                 request_module("tda9887");
1838         /* register v4l devices */
1839         dev->video_dev = cx88_vdev_init(core,dev->pci,
1840                                         &cx8800_video_template,"video");
1841         err = video_register_device(dev->video_dev,VFL_TYPE_GRABBER,
1842                                     video_nr[core->nr]);
1843         if (err < 0) {
1844                 printk(KERN_INFO "%s: can't register video device\n",
1845                        core->name);
1846                 goto fail_unreg;
1847         }
1848         printk(KERN_INFO "%s/0: registered device video%d [v4l2]\n",
1849                core->name,dev->video_dev->minor & 0x1f);
1850
1851         dev->vbi_dev = cx88_vdev_init(core,dev->pci,&cx8800_vbi_template,"vbi");
1852         err = video_register_device(dev->vbi_dev,VFL_TYPE_VBI,
1853                                     vbi_nr[core->nr]);
1854         if (err < 0) {
1855                 printk(KERN_INFO "%s/0: can't register vbi device\n",
1856                        core->name);
1857                 goto fail_unreg;
1858         }
1859         printk(KERN_INFO "%s/0: registered device vbi%d\n",
1860                core->name,dev->vbi_dev->minor & 0x1f);
1861
1862         if (core->has_radio) {
1863                 dev->radio_dev = cx88_vdev_init(core,dev->pci,
1864                                                 &cx8800_radio_template,"radio");
1865                 err = video_register_device(dev->radio_dev,VFL_TYPE_RADIO,
1866                                             radio_nr[core->nr]);
1867                 if (err < 0) {
1868                         printk(KERN_INFO "%s/0: can't register radio device\n",
1869                                core->name);
1870                         goto fail_unreg;
1871                 }
1872                 printk(KERN_INFO "%s/0: registered device radio%d\n",
1873                        core->name,dev->radio_dev->minor & 0x1f);
1874         }
1875
1876         /* everything worked */
1877         list_add_tail(&dev->devlist,&cx8800_devlist);
1878         pci_set_drvdata(pci_dev,dev);
1879
1880         /* initial device configuration */
1881         down(&dev->lock);
1882         init_controls(dev);
1883         cx88_set_tvnorm(dev->core,tvnorms);
1884         video_mux(dev,0);
1885         up(&dev->lock);
1886
1887         /* start tvaudio thread */
1888         if (core->tuner_type != TUNER_ABSENT)
1889                 core->kthread = kthread_run(cx88_audio_thread, core, "cx88 tvaudio");
1890         return 0;
1891
1892 fail_unreg:
1893         cx8800_unregister_video(dev);
1894         free_irq(pci_dev->irq, dev);
1895 fail_core:
1896         cx88_core_put(core,dev->pci);
1897 fail_free:
1898         kfree(dev);
1899         return err;
1900 }
1901
1902 static void __devexit cx8800_finidev(struct pci_dev *pci_dev)
1903 {
1904         struct cx8800_dev *dev = pci_get_drvdata(pci_dev);
1905
1906         /* stop thread */
1907         if (dev->core->kthread) {
1908                 kthread_stop(dev->core->kthread);
1909                 dev->core->kthread = NULL;
1910         }
1911
1912         cx88_shutdown(dev->core); /* FIXME */
1913         pci_disable_device(pci_dev);
1914
1915         /* unregister stuff */
1916
1917         free_irq(pci_dev->irq, dev);
1918         cx8800_unregister_video(dev);
1919         pci_set_drvdata(pci_dev, NULL);
1920
1921         /* free memory */
1922         btcx_riscmem_free(dev->pci,&dev->vidq.stopper);
1923         list_del(&dev->devlist);
1924         cx88_core_put(dev->core,dev->pci);
1925         kfree(dev);
1926 }
1927
1928 static int cx8800_suspend(struct pci_dev *pci_dev, pm_message_t state)
1929 {
1930         struct cx8800_dev *dev = pci_get_drvdata(pci_dev);
1931         struct cx88_core *core = dev->core;
1932
1933         /* stop video+vbi capture */
1934         spin_lock(&dev->slock);
1935         if (!list_empty(&dev->vidq.active)) {
1936                 printk("%s: suspend video\n", core->name);
1937                 stop_video_dma(dev);
1938                 del_timer(&dev->vidq.timeout);
1939         }
1940         if (!list_empty(&dev->vbiq.active)) {
1941                 printk("%s: suspend vbi\n", core->name);
1942                 cx8800_stop_vbi_dma(dev);
1943                 del_timer(&dev->vbiq.timeout);
1944         }
1945         spin_unlock(&dev->slock);
1946
1947         /* FIXME -- shutdown device */
1948         cx88_shutdown(dev->core);
1949
1950         pci_save_state(pci_dev);
1951         if (0 != pci_set_power_state(pci_dev, pci_choose_state(pci_dev, state))) {
1952                 pci_disable_device(pci_dev);
1953                 dev->state.disabled = 1;
1954         }
1955         return 0;
1956 }
1957
1958 static int cx8800_resume(struct pci_dev *pci_dev)
1959 {
1960         struct cx8800_dev *dev = pci_get_drvdata(pci_dev);
1961         struct cx88_core *core = dev->core;
1962
1963         if (dev->state.disabled) {
1964                 pci_enable_device(pci_dev);
1965                 dev->state.disabled = 0;
1966         }
1967         pci_set_power_state(pci_dev, PCI_D0);
1968         pci_restore_state(pci_dev);
1969
1970         /* FIXME: re-initialize hardware */
1971         cx88_reset(dev->core);
1972
1973         /* restart video+vbi capture */
1974         spin_lock(&dev->slock);
1975         if (!list_empty(&dev->vidq.active)) {
1976                 printk("%s: resume video\n", core->name);
1977                 restart_video_queue(dev,&dev->vidq);
1978         }
1979         if (!list_empty(&dev->vbiq.active)) {
1980                 printk("%s: resume vbi\n", core->name);
1981                 cx8800_restart_vbi_queue(dev,&dev->vbiq);
1982         }
1983         spin_unlock(&dev->slock);
1984
1985         return 0;
1986 }
1987
1988 /* ----------------------------------------------------------- */
1989
1990 static struct pci_device_id cx8800_pci_tbl[] = {
1991         {
1992                 .vendor       = 0x14f1,
1993                 .device       = 0x8800,
1994                 .subvendor    = PCI_ANY_ID,
1995                 .subdevice    = PCI_ANY_ID,
1996         },{
1997                 /* --- end of list --- */
1998         }
1999 };
2000 MODULE_DEVICE_TABLE(pci, cx8800_pci_tbl);
2001
2002 static struct pci_driver cx8800_pci_driver = {
2003         .name     = "cx8800",
2004         .id_table = cx8800_pci_tbl,
2005         .probe    = cx8800_initdev,
2006         .remove   = __devexit_p(cx8800_finidev),
2007
2008         .suspend  = cx8800_suspend,
2009         .resume   = cx8800_resume,
2010 };
2011
2012 static int cx8800_init(void)
2013 {
2014         printk(KERN_INFO "cx2388x v4l2 driver version %d.%d.%d loaded\n",
2015                (CX88_VERSION_CODE >> 16) & 0xff,
2016                (CX88_VERSION_CODE >>  8) & 0xff,
2017                CX88_VERSION_CODE & 0xff);
2018 #ifdef SNAPSHOT
2019         printk(KERN_INFO "cx2388x: snapshot date %04d-%02d-%02d\n",
2020                SNAPSHOT/10000, (SNAPSHOT/100)%100, SNAPSHOT%100);
2021 #endif
2022         return pci_register_driver(&cx8800_pci_driver);
2023 }
2024
2025 static void cx8800_fini(void)
2026 {
2027         pci_unregister_driver(&cx8800_pci_driver);
2028 }
2029
2030 module_init(cx8800_init);
2031 module_exit(cx8800_fini);
2032
2033 /* ----------------------------------------------------------- */
2034 /*
2035  * Local variables:
2036  * c-basic-offset: 8
2037  * End:
2038  * 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
2039  */