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Merge master.kernel.org:/pub/scm/linux/kernel/git/gregkh/usb-2.6
[deliverable/linux.git] / drivers / media / video / cx88 / cx88-video.c
1
2 /*
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 * (c) 2005-2006 Mauro Carvalho Chehab <mchehab@infradead.org>
10 * - Multituner support
11 * - video_ioctl2 conversion
12 * - PAL/M fixes
13 *
14 * This program is free software; you can redistribute it and/or modify
15 * it under the terms of the GNU General Public License as published by
16 * the Free Software Foundation; either version 2 of the License, or
17 * (at your option) any later version.
18 *
19 * This program is distributed in the hope that it will be useful,
20 * but WITHOUT ANY WARRANTY; without even the implied warranty of
21 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
22 * GNU General Public License for more details.
23 *
24 * You should have received a copy of the GNU General Public License
25 * along with this program; if not, write to the Free Software
26 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
27 */
28
29 #include <linux/init.h>
30 #include <linux/list.h>
31 #include <linux/module.h>
32 #include <linux/moduleparam.h>
33 #include <linux/kmod.h>
34 #include <linux/kernel.h>
35 #include <linux/slab.h>
36 #include <linux/interrupt.h>
37 #include <linux/delay.h>
38 #include <linux/kthread.h>
39 #include <asm/div64.h>
40
41 #include "cx88.h"
42 #include <media/v4l2-common.h>
43
44 #ifdef CONFIG_VIDEO_V4L1_COMPAT
45 /* Include V4L1 specific functions. Should be removed soon */
46 #include <linux/videodev.h>
47 #endif
48
49 MODULE_DESCRIPTION("v4l2 driver module for cx2388x based TV cards");
50 MODULE_AUTHOR("Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]");
51 MODULE_LICENSE("GPL");
52
53 /* ------------------------------------------------------------------ */
54
55 static unsigned int video_nr[] = {[0 ... (CX88_MAXBOARDS - 1)] = UNSET };
56 static unsigned int vbi_nr[] = {[0 ... (CX88_MAXBOARDS - 1)] = UNSET };
57 static unsigned int radio_nr[] = {[0 ... (CX88_MAXBOARDS - 1)] = UNSET };
58
59 module_param_array(video_nr, int, NULL, 0444);
60 module_param_array(vbi_nr, int, NULL, 0444);
61 module_param_array(radio_nr, int, NULL, 0444);
62
63 MODULE_PARM_DESC(video_nr,"video device numbers");
64 MODULE_PARM_DESC(vbi_nr,"vbi device numbers");
65 MODULE_PARM_DESC(radio_nr,"radio device numbers");
66
67 static unsigned int video_debug = 0;
68 module_param(video_debug,int,0644);
69 MODULE_PARM_DESC(video_debug,"enable debug messages [video]");
70
71 static unsigned int irq_debug = 0;
72 module_param(irq_debug,int,0644);
73 MODULE_PARM_DESC(irq_debug,"enable debug messages [IRQ handler]");
74
75 static unsigned int vid_limit = 16;
76 module_param(vid_limit,int,0644);
77 MODULE_PARM_DESC(vid_limit,"capture memory limit in megabytes");
78
79 #define dprintk(level,fmt, arg...) if (video_debug >= level) \
80 printk(KERN_DEBUG "%s/0: " fmt, core->name , ## arg)
81
82 /* ------------------------------------------------------------------ */
83
84 static LIST_HEAD(cx8800_devlist);
85
86 /* ------------------------------------------------------------------- */
87 /* static data */
88
89 static struct cx8800_fmt formats[] = {
90 {
91 .name = "8 bpp, gray",
92 .fourcc = V4L2_PIX_FMT_GREY,
93 .cxformat = ColorFormatY8,
94 .depth = 8,
95 .flags = FORMAT_FLAGS_PACKED,
96 },{
97 .name = "15 bpp RGB, le",
98 .fourcc = V4L2_PIX_FMT_RGB555,
99 .cxformat = ColorFormatRGB15,
100 .depth = 16,
101 .flags = FORMAT_FLAGS_PACKED,
102 },{
103 .name = "15 bpp RGB, be",
104 .fourcc = V4L2_PIX_FMT_RGB555X,
105 .cxformat = ColorFormatRGB15 | ColorFormatBSWAP,
106 .depth = 16,
107 .flags = FORMAT_FLAGS_PACKED,
108 },{
109 .name = "16 bpp RGB, le",
110 .fourcc = V4L2_PIX_FMT_RGB565,
111 .cxformat = ColorFormatRGB16,
112 .depth = 16,
113 .flags = FORMAT_FLAGS_PACKED,
114 },{
115 .name = "16 bpp RGB, be",
116 .fourcc = V4L2_PIX_FMT_RGB565X,
117 .cxformat = ColorFormatRGB16 | ColorFormatBSWAP,
118 .depth = 16,
119 .flags = FORMAT_FLAGS_PACKED,
120 },{
121 .name = "24 bpp RGB, le",
122 .fourcc = V4L2_PIX_FMT_BGR24,
123 .cxformat = ColorFormatRGB24,
124 .depth = 24,
125 .flags = FORMAT_FLAGS_PACKED,
126 },{
127 .name = "32 bpp RGB, le",
128 .fourcc = V4L2_PIX_FMT_BGR32,
129 .cxformat = ColorFormatRGB32,
130 .depth = 32,
131 .flags = FORMAT_FLAGS_PACKED,
132 },{
133 .name = "32 bpp RGB, be",
134 .fourcc = V4L2_PIX_FMT_RGB32,
135 .cxformat = ColorFormatRGB32 | ColorFormatBSWAP | ColorFormatWSWAP,
136 .depth = 32,
137 .flags = FORMAT_FLAGS_PACKED,
138 },{
139 .name = "4:2:2, packed, YUYV",
140 .fourcc = V4L2_PIX_FMT_YUYV,
141 .cxformat = ColorFormatYUY2,
142 .depth = 16,
143 .flags = FORMAT_FLAGS_PACKED,
144 },{
145 .name = "4:2:2, packed, UYVY",
146 .fourcc = V4L2_PIX_FMT_UYVY,
147 .cxformat = ColorFormatYUY2 | ColorFormatBSWAP,
148 .depth = 16,
149 .flags = FORMAT_FLAGS_PACKED,
150 },
151 };
152
153 static struct cx8800_fmt* format_by_fourcc(unsigned int fourcc)
154 {
155 unsigned int i;
156
157 for (i = 0; i < ARRAY_SIZE(formats); i++)
158 if (formats[i].fourcc == fourcc)
159 return formats+i;
160 return NULL;
161 }
162
163 /* ------------------------------------------------------------------- */
164
165 static const struct v4l2_queryctrl no_ctl = {
166 .name = "42",
167 .flags = V4L2_CTRL_FLAG_DISABLED,
168 };
169
170 static struct cx88_ctrl cx8800_ctls[] = {
171 /* --- video --- */
172 {
173 .v = {
174 .id = V4L2_CID_BRIGHTNESS,
175 .name = "Brightness",
176 .minimum = 0x00,
177 .maximum = 0xff,
178 .step = 1,
179 .default_value = 0x7f,
180 .type = V4L2_CTRL_TYPE_INTEGER,
181 },
182 .off = 128,
183 .reg = MO_CONTR_BRIGHT,
184 .mask = 0x00ff,
185 .shift = 0,
186 },{
187 .v = {
188 .id = V4L2_CID_CONTRAST,
189 .name = "Contrast",
190 .minimum = 0,
191 .maximum = 0xff,
192 .step = 1,
193 .default_value = 0x3f,
194 .type = V4L2_CTRL_TYPE_INTEGER,
195 },
196 .off = 0,
197 .reg = MO_CONTR_BRIGHT,
198 .mask = 0xff00,
199 .shift = 8,
200 },{
201 .v = {
202 .id = V4L2_CID_HUE,
203 .name = "Hue",
204 .minimum = 0,
205 .maximum = 0xff,
206 .step = 1,
207 .default_value = 0x7f,
208 .type = V4L2_CTRL_TYPE_INTEGER,
209 },
210 .off = 128,
211 .reg = MO_HUE,
212 .mask = 0x00ff,
213 .shift = 0,
214 },{
215 /* strictly, this only describes only U saturation.
216 * V saturation is handled specially through code.
217 */
218 .v = {
219 .id = V4L2_CID_SATURATION,
220 .name = "Saturation",
221 .minimum = 0,
222 .maximum = 0xff,
223 .step = 1,
224 .default_value = 0x7f,
225 .type = V4L2_CTRL_TYPE_INTEGER,
226 },
227 .off = 0,
228 .reg = MO_UV_SATURATION,
229 .mask = 0x00ff,
230 .shift = 0,
231 },{
232 /* --- audio --- */
233 .v = {
234 .id = V4L2_CID_AUDIO_MUTE,
235 .name = "Mute",
236 .minimum = 0,
237 .maximum = 1,
238 .default_value = 1,
239 .type = V4L2_CTRL_TYPE_BOOLEAN,
240 },
241 .reg = AUD_VOL_CTL,
242 .sreg = SHADOW_AUD_VOL_CTL,
243 .mask = (1 << 6),
244 .shift = 6,
245 },{
246 .v = {
247 .id = V4L2_CID_AUDIO_VOLUME,
248 .name = "Volume",
249 .minimum = 0,
250 .maximum = 0x3f,
251 .step = 1,
252 .default_value = 0x3f,
253 .type = V4L2_CTRL_TYPE_INTEGER,
254 },
255 .reg = AUD_VOL_CTL,
256 .sreg = SHADOW_AUD_VOL_CTL,
257 .mask = 0x3f,
258 .shift = 0,
259 },{
260 .v = {
261 .id = V4L2_CID_AUDIO_BALANCE,
262 .name = "Balance",
263 .minimum = 0,
264 .maximum = 0x7f,
265 .step = 1,
266 .default_value = 0x40,
267 .type = V4L2_CTRL_TYPE_INTEGER,
268 },
269 .reg = AUD_BAL_CTL,
270 .sreg = SHADOW_AUD_BAL_CTL,
271 .mask = 0x7f,
272 .shift = 0,
273 }
274 };
275 static const int CX8800_CTLS = ARRAY_SIZE(cx8800_ctls);
276
277 const u32 cx88_user_ctrls[] = {
278 V4L2_CID_USER_CLASS,
279 V4L2_CID_BRIGHTNESS,
280 V4L2_CID_CONTRAST,
281 V4L2_CID_SATURATION,
282 V4L2_CID_HUE,
283 V4L2_CID_AUDIO_VOLUME,
284 V4L2_CID_AUDIO_BALANCE,
285 V4L2_CID_AUDIO_MUTE,
286 0
287 };
288 EXPORT_SYMBOL(cx88_user_ctrls);
289
290 static const u32 *ctrl_classes[] = {
291 cx88_user_ctrls,
292 NULL
293 };
294
295 int cx8800_ctrl_query(struct v4l2_queryctrl *qctrl)
296 {
297 int i;
298
299 if (qctrl->id < V4L2_CID_BASE ||
300 qctrl->id >= V4L2_CID_LASTP1)
301 return -EINVAL;
302 for (i = 0; i < CX8800_CTLS; i++)
303 if (cx8800_ctls[i].v.id == qctrl->id)
304 break;
305 if (i == CX8800_CTLS) {
306 *qctrl = no_ctl;
307 return 0;
308 }
309 *qctrl = cx8800_ctls[i].v;
310 return 0;
311 }
312 EXPORT_SYMBOL(cx8800_ctrl_query);
313
314 /* ------------------------------------------------------------------- */
315 /* resource management */
316
317 static int res_get(struct cx8800_dev *dev, struct cx8800_fh *fh, unsigned int bit)
318 {
319 struct cx88_core *core = dev->core;
320 if (fh->resources & bit)
321 /* have it already allocated */
322 return 1;
323
324 /* is it free? */
325 mutex_lock(&core->lock);
326 if (dev->resources & bit) {
327 /* no, someone else uses it */
328 mutex_unlock(&core->lock);
329 return 0;
330 }
331 /* it's free, grab it */
332 fh->resources |= bit;
333 dev->resources |= bit;
334 dprintk(1,"res: get %d\n",bit);
335 mutex_unlock(&core->lock);
336 return 1;
337 }
338
339 static
340 int res_check(struct cx8800_fh *fh, unsigned int bit)
341 {
342 return (fh->resources & bit);
343 }
344
345 static
346 int res_locked(struct cx8800_dev *dev, unsigned int bit)
347 {
348 return (dev->resources & bit);
349 }
350
351 static
352 void res_free(struct cx8800_dev *dev, struct cx8800_fh *fh, unsigned int bits)
353 {
354 struct cx88_core *core = dev->core;
355 BUG_ON((fh->resources & bits) != bits);
356
357 mutex_lock(&core->lock);
358 fh->resources &= ~bits;
359 dev->resources &= ~bits;
360 dprintk(1,"res: put %d\n",bits);
361 mutex_unlock(&core->lock);
362 }
363
364 /* ------------------------------------------------------------------ */
365
366 int cx88_video_mux(struct cx88_core *core, unsigned int input)
367 {
368 /* struct cx88_core *core = dev->core; */
369
370 dprintk(1,"video_mux: %d [vmux=%d,gpio=0x%x,0x%x,0x%x,0x%x]\n",
371 input, INPUT(input)->vmux,
372 INPUT(input)->gpio0,INPUT(input)->gpio1,
373 INPUT(input)->gpio2,INPUT(input)->gpio3);
374 core->input = input;
375 cx_andor(MO_INPUT_FORMAT, 0x03 << 14, INPUT(input)->vmux << 14);
376 cx_write(MO_GP3_IO, INPUT(input)->gpio3);
377 cx_write(MO_GP0_IO, INPUT(input)->gpio0);
378 cx_write(MO_GP1_IO, INPUT(input)->gpio1);
379 cx_write(MO_GP2_IO, INPUT(input)->gpio2);
380
381 switch (INPUT(input)->type) {
382 case CX88_VMUX_SVIDEO:
383 cx_set(MO_AFECFG_IO, 0x00000001);
384 cx_set(MO_INPUT_FORMAT, 0x00010010);
385 cx_set(MO_FILTER_EVEN, 0x00002020);
386 cx_set(MO_FILTER_ODD, 0x00002020);
387 break;
388 default:
389 cx_clear(MO_AFECFG_IO, 0x00000001);
390 cx_clear(MO_INPUT_FORMAT, 0x00010010);
391 cx_clear(MO_FILTER_EVEN, 0x00002020);
392 cx_clear(MO_FILTER_ODD, 0x00002020);
393 break;
394 }
395
396 if (cx88_boards[core->board].mpeg & CX88_MPEG_BLACKBIRD) {
397 /* sets sound input from external adc */
398 if (INPUT(input)->extadc)
399 cx_set(AUD_CTL, EN_I2SIN_ENABLE);
400 else
401 cx_clear(AUD_CTL, EN_I2SIN_ENABLE);
402 }
403 return 0;
404 }
405 EXPORT_SYMBOL(cx88_video_mux);
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(core, &cx88_sram_channels[SRAM_CH21],
417 buf->bpl, buf->risc.dma);
418 cx88_set_scale(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
428 /* Enables corresponding bits at PCI_INT_STAT:
429 bits 0 to 4: video, audio, transport stream, VIP, Host
430 bit 7: timer
431 bits 8 and 9: DMA complete for: SRC, DST
432 bits 10 and 11: BERR signal asserted for RISC: RD, WR
433 bits 12 to 15: BERR signal asserted for: BRDG, SRC, DST, IPB
434 */
435 cx_set(MO_VID_INTMSK, 0x0f0011);
436
437 /* enable capture */
438 cx_set(VID_CAPTURE_CONTROL,0x06);
439
440 /* start dma */
441 cx_set(MO_DEV_CNTRL2, (1<<5));
442 cx_set(MO_VID_DMACNTRL, 0x11); /* Planar Y and packed FIFO and RISC enable */
443
444 return 0;
445 }
446
447 #ifdef CONFIG_PM
448 static int stop_video_dma(struct cx8800_dev *dev)
449 {
450 struct cx88_core *core = dev->core;
451
452 /* stop dma */
453 cx_clear(MO_VID_DMACNTRL, 0x11);
454
455 /* disable capture */
456 cx_clear(VID_CAPTURE_CONTROL,0x06);
457
458 /* disable irqs */
459 cx_clear(MO_PCI_INTMSK, 0x000001);
460 cx_clear(MO_VID_INTMSK, 0x0f0011);
461 return 0;
462 }
463 #endif
464
465 static int restart_video_queue(struct cx8800_dev *dev,
466 struct cx88_dmaqueue *q)
467 {
468 struct cx88_core *core = dev->core;
469 struct cx88_buffer *buf, *prev;
470 struct list_head *item;
471
472 if (!list_empty(&q->active)) {
473 buf = list_entry(q->active.next, struct cx88_buffer, vb.queue);
474 dprintk(2,"restart_queue [%p/%d]: restart dma\n",
475 buf, buf->vb.i);
476 start_video_dma(dev, q, buf);
477 list_for_each(item,&q->active) {
478 buf = list_entry(item, struct cx88_buffer, vb.queue);
479 buf->count = q->count++;
480 }
481 mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT);
482 return 0;
483 }
484
485 prev = NULL;
486 for (;;) {
487 if (list_empty(&q->queued))
488 return 0;
489 buf = list_entry(q->queued.next, struct cx88_buffer, vb.queue);
490 if (NULL == prev) {
491 list_move_tail(&buf->vb.queue, &q->active);
492 start_video_dma(dev, q, buf);
493 buf->vb.state = STATE_ACTIVE;
494 buf->count = q->count++;
495 mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT);
496 dprintk(2,"[%p/%d] restart_queue - first active\n",
497 buf,buf->vb.i);
498
499 } else if (prev->vb.width == buf->vb.width &&
500 prev->vb.height == buf->vb.height &&
501 prev->fmt == buf->fmt) {
502 list_move_tail(&buf->vb.queue, &q->active);
503 buf->vb.state = STATE_ACTIVE;
504 buf->count = q->count++;
505 prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma);
506 dprintk(2,"[%p/%d] restart_queue - move to active\n",
507 buf,buf->vb.i);
508 } else {
509 return 0;
510 }
511 prev = buf;
512 }
513 }
514
515 /* ------------------------------------------------------------------ */
516
517 static int
518 buffer_setup(struct videobuf_queue *q, unsigned int *count, unsigned int *size)
519 {
520 struct cx8800_fh *fh = q->priv_data;
521
522 *size = fh->fmt->depth*fh->width*fh->height >> 3;
523 if (0 == *count)
524 *count = 32;
525 while (*size * *count > vid_limit * 1024 * 1024)
526 (*count)--;
527 return 0;
528 }
529
530 static int
531 buffer_prepare(struct videobuf_queue *q, struct videobuf_buffer *vb,
532 enum v4l2_field field)
533 {
534 struct cx8800_fh *fh = q->priv_data;
535 struct cx8800_dev *dev = fh->dev;
536 struct cx88_core *core = dev->core;
537 struct cx88_buffer *buf = container_of(vb,struct cx88_buffer,vb);
538 int rc, init_buffer = 0;
539
540 BUG_ON(NULL == fh->fmt);
541 if (fh->width < 48 || fh->width > norm_maxw(core->tvnorm) ||
542 fh->height < 32 || fh->height > norm_maxh(core->tvnorm))
543 return -EINVAL;
544 buf->vb.size = (fh->width * fh->height * fh->fmt->depth) >> 3;
545 if (0 != buf->vb.baddr && buf->vb.bsize < buf->vb.size)
546 return -EINVAL;
547
548 if (buf->fmt != fh->fmt ||
549 buf->vb.width != fh->width ||
550 buf->vb.height != fh->height ||
551 buf->vb.field != field) {
552 buf->fmt = fh->fmt;
553 buf->vb.width = fh->width;
554 buf->vb.height = fh->height;
555 buf->vb.field = field;
556 init_buffer = 1;
557 }
558
559 if (STATE_NEEDS_INIT == buf->vb.state) {
560 init_buffer = 1;
561 if (0 != (rc = videobuf_iolock(q,&buf->vb,NULL)))
562 goto fail;
563 }
564
565 if (init_buffer) {
566 buf->bpl = buf->vb.width * buf->fmt->depth >> 3;
567 switch (buf->vb.field) {
568 case V4L2_FIELD_TOP:
569 cx88_risc_buffer(dev->pci, &buf->risc,
570 buf->vb.dma.sglist, 0, UNSET,
571 buf->bpl, 0, buf->vb.height);
572 break;
573 case V4L2_FIELD_BOTTOM:
574 cx88_risc_buffer(dev->pci, &buf->risc,
575 buf->vb.dma.sglist, UNSET, 0,
576 buf->bpl, 0, buf->vb.height);
577 break;
578 case V4L2_FIELD_INTERLACED:
579 cx88_risc_buffer(dev->pci, &buf->risc,
580 buf->vb.dma.sglist, 0, buf->bpl,
581 buf->bpl, buf->bpl,
582 buf->vb.height >> 1);
583 break;
584 case V4L2_FIELD_SEQ_TB:
585 cx88_risc_buffer(dev->pci, &buf->risc,
586 buf->vb.dma.sglist,
587 0, buf->bpl * (buf->vb.height >> 1),
588 buf->bpl, 0,
589 buf->vb.height >> 1);
590 break;
591 case V4L2_FIELD_SEQ_BT:
592 cx88_risc_buffer(dev->pci, &buf->risc,
593 buf->vb.dma.sglist,
594 buf->bpl * (buf->vb.height >> 1), 0,
595 buf->bpl, 0,
596 buf->vb.height >> 1);
597 break;
598 default:
599 BUG();
600 }
601 }
602 dprintk(2,"[%p/%d] buffer_prepare - %dx%d %dbpp \"%s\" - dma=0x%08lx\n",
603 buf, buf->vb.i,
604 fh->width, fh->height, fh->fmt->depth, fh->fmt->name,
605 (unsigned long)buf->risc.dma);
606
607 buf->vb.state = STATE_PREPARED;
608 return 0;
609
610 fail:
611 cx88_free_buffer(q,buf);
612 return rc;
613 }
614
615 static void
616 buffer_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb)
617 {
618 struct cx88_buffer *buf = container_of(vb,struct cx88_buffer,vb);
619 struct cx88_buffer *prev;
620 struct cx8800_fh *fh = vq->priv_data;
621 struct cx8800_dev *dev = fh->dev;
622 struct cx88_core *core = dev->core;
623 struct cx88_dmaqueue *q = &dev->vidq;
624
625 /* add jump to stopper */
626 buf->risc.jmp[0] = cpu_to_le32(RISC_JUMP | RISC_IRQ1 | RISC_CNT_INC);
627 buf->risc.jmp[1] = cpu_to_le32(q->stopper.dma);
628
629 if (!list_empty(&q->queued)) {
630 list_add_tail(&buf->vb.queue,&q->queued);
631 buf->vb.state = STATE_QUEUED;
632 dprintk(2,"[%p/%d] buffer_queue - append to queued\n",
633 buf, buf->vb.i);
634
635 } else if (list_empty(&q->active)) {
636 list_add_tail(&buf->vb.queue,&q->active);
637 start_video_dma(dev, q, buf);
638 buf->vb.state = STATE_ACTIVE;
639 buf->count = q->count++;
640 mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT);
641 dprintk(2,"[%p/%d] buffer_queue - first active\n",
642 buf, buf->vb.i);
643
644 } else {
645 prev = list_entry(q->active.prev, struct cx88_buffer, vb.queue);
646 if (prev->vb.width == buf->vb.width &&
647 prev->vb.height == buf->vb.height &&
648 prev->fmt == buf->fmt) {
649 list_add_tail(&buf->vb.queue,&q->active);
650 buf->vb.state = STATE_ACTIVE;
651 buf->count = q->count++;
652 prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma);
653 dprintk(2,"[%p/%d] buffer_queue - append to active\n",
654 buf, buf->vb.i);
655
656 } else {
657 list_add_tail(&buf->vb.queue,&q->queued);
658 buf->vb.state = STATE_QUEUED;
659 dprintk(2,"[%p/%d] buffer_queue - first queued\n",
660 buf, buf->vb.i);
661 }
662 }
663 }
664
665 static void buffer_release(struct videobuf_queue *q, struct videobuf_buffer *vb)
666 {
667 struct cx88_buffer *buf = container_of(vb,struct cx88_buffer,vb);
668
669 cx88_free_buffer(q,buf);
670 }
671
672 static struct videobuf_queue_ops cx8800_video_qops = {
673 .buf_setup = buffer_setup,
674 .buf_prepare = buffer_prepare,
675 .buf_queue = buffer_queue,
676 .buf_release = buffer_release,
677 };
678
679 /* ------------------------------------------------------------------ */
680
681
682 /* ------------------------------------------------------------------ */
683
684 static struct videobuf_queue* get_queue(struct cx8800_fh *fh)
685 {
686 switch (fh->type) {
687 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
688 return &fh->vidq;
689 case V4L2_BUF_TYPE_VBI_CAPTURE:
690 return &fh->vbiq;
691 default:
692 BUG();
693 return NULL;
694 }
695 }
696
697 static int get_ressource(struct cx8800_fh *fh)
698 {
699 switch (fh->type) {
700 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
701 return RESOURCE_VIDEO;
702 case V4L2_BUF_TYPE_VBI_CAPTURE:
703 return RESOURCE_VBI;
704 default:
705 BUG();
706 return 0;
707 }
708 }
709
710 static int video_open(struct inode *inode, struct file *file)
711 {
712 int minor = iminor(inode);
713 struct cx8800_dev *h,*dev = NULL;
714 struct cx88_core *core;
715 struct cx8800_fh *fh;
716 struct list_head *list;
717 enum v4l2_buf_type type = 0;
718 int radio = 0;
719
720 list_for_each(list,&cx8800_devlist) {
721 h = list_entry(list, struct cx8800_dev, devlist);
722 if (h->video_dev->minor == minor) {
723 dev = h;
724 type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
725 }
726 if (h->vbi_dev->minor == minor) {
727 dev = h;
728 type = V4L2_BUF_TYPE_VBI_CAPTURE;
729 }
730 if (h->radio_dev &&
731 h->radio_dev->minor == minor) {
732 radio = 1;
733 dev = h;
734 }
735 }
736 if (NULL == dev)
737 return -ENODEV;
738
739 core = dev->core;
740
741 dprintk(1,"open minor=%d radio=%d type=%s\n",
742 minor,radio,v4l2_type_names[type]);
743
744 /* allocate + initialize per filehandle data */
745 fh = kzalloc(sizeof(*fh),GFP_KERNEL);
746 if (NULL == fh)
747 return -ENOMEM;
748 file->private_data = fh;
749 fh->dev = dev;
750 fh->radio = radio;
751 fh->type = type;
752 fh->width = 320;
753 fh->height = 240;
754 fh->fmt = format_by_fourcc(V4L2_PIX_FMT_BGR24);
755
756 videobuf_queue_init(&fh->vidq, &cx8800_video_qops,
757 dev->pci, &dev->slock,
758 V4L2_BUF_TYPE_VIDEO_CAPTURE,
759 V4L2_FIELD_INTERLACED,
760 sizeof(struct cx88_buffer),
761 fh);
762 videobuf_queue_init(&fh->vbiq, &cx8800_vbi_qops,
763 dev->pci, &dev->slock,
764 V4L2_BUF_TYPE_VBI_CAPTURE,
765 V4L2_FIELD_SEQ_TB,
766 sizeof(struct cx88_buffer),
767 fh);
768
769 if (fh->radio) {
770 int board = core->board;
771 dprintk(1,"video_open: setting radio device\n");
772 cx_write(MO_GP3_IO, cx88_boards[board].radio.gpio3);
773 cx_write(MO_GP0_IO, cx88_boards[board].radio.gpio0);
774 cx_write(MO_GP1_IO, cx88_boards[board].radio.gpio1);
775 cx_write(MO_GP2_IO, cx88_boards[board].radio.gpio2);
776 core->tvaudio = WW_FM;
777 cx88_set_tvaudio(core);
778 cx88_set_stereo(core,V4L2_TUNER_MODE_STEREO,1);
779 cx88_call_i2c_clients(core,AUDC_SET_RADIO,NULL);
780 }
781
782 return 0;
783 }
784
785 static ssize_t
786 video_read(struct file *file, char __user *data, size_t count, loff_t *ppos)
787 {
788 struct cx8800_fh *fh = file->private_data;
789
790 switch (fh->type) {
791 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
792 if (res_locked(fh->dev,RESOURCE_VIDEO))
793 return -EBUSY;
794 return videobuf_read_one(&fh->vidq, data, count, ppos,
795 file->f_flags & O_NONBLOCK);
796 case V4L2_BUF_TYPE_VBI_CAPTURE:
797 if (!res_get(fh->dev,fh,RESOURCE_VBI))
798 return -EBUSY;
799 return videobuf_read_stream(&fh->vbiq, data, count, ppos, 1,
800 file->f_flags & O_NONBLOCK);
801 default:
802 BUG();
803 return 0;
804 }
805 }
806
807 static unsigned int
808 video_poll(struct file *file, struct poll_table_struct *wait)
809 {
810 struct cx8800_fh *fh = file->private_data;
811 struct cx88_buffer *buf;
812
813 if (V4L2_BUF_TYPE_VBI_CAPTURE == fh->type) {
814 if (!res_get(fh->dev,fh,RESOURCE_VBI))
815 return POLLERR;
816 return videobuf_poll_stream(file, &fh->vbiq, wait);
817 }
818
819 if (res_check(fh,RESOURCE_VIDEO)) {
820 /* streaming capture */
821 if (list_empty(&fh->vidq.stream))
822 return POLLERR;
823 buf = list_entry(fh->vidq.stream.next,struct cx88_buffer,vb.stream);
824 } else {
825 /* read() capture */
826 buf = (struct cx88_buffer*)fh->vidq.read_buf;
827 if (NULL == buf)
828 return POLLERR;
829 }
830 poll_wait(file, &buf->vb.done, wait);
831 if (buf->vb.state == STATE_DONE ||
832 buf->vb.state == STATE_ERROR)
833 return POLLIN|POLLRDNORM;
834 return 0;
835 }
836
837 static int video_release(struct inode *inode, struct file *file)
838 {
839 struct cx8800_fh *fh = file->private_data;
840 struct cx8800_dev *dev = fh->dev;
841
842 /* turn off overlay */
843 if (res_check(fh, RESOURCE_OVERLAY)) {
844 /* FIXME */
845 res_free(dev,fh,RESOURCE_OVERLAY);
846 }
847
848 /* stop video capture */
849 if (res_check(fh, RESOURCE_VIDEO)) {
850 videobuf_queue_cancel(&fh->vidq);
851 res_free(dev,fh,RESOURCE_VIDEO);
852 }
853 if (fh->vidq.read_buf) {
854 buffer_release(&fh->vidq,fh->vidq.read_buf);
855 kfree(fh->vidq.read_buf);
856 }
857
858 /* stop vbi capture */
859 if (res_check(fh, RESOURCE_VBI)) {
860 if (fh->vbiq.streaming)
861 videobuf_streamoff(&fh->vbiq);
862 if (fh->vbiq.reading)
863 videobuf_read_stop(&fh->vbiq);
864 res_free(dev,fh,RESOURCE_VBI);
865 }
866
867 videobuf_mmap_free(&fh->vidq);
868 videobuf_mmap_free(&fh->vbiq);
869 file->private_data = NULL;
870 kfree(fh);
871
872 cx88_call_i2c_clients (dev->core, TUNER_SET_STANDBY, NULL);
873
874 return 0;
875 }
876
877 static int
878 video_mmap(struct file *file, struct vm_area_struct * vma)
879 {
880 struct cx8800_fh *fh = file->private_data;
881
882 return videobuf_mmap_mapper(get_queue(fh), vma);
883 }
884
885 /* ------------------------------------------------------------------ */
886 /* VIDEO CTRL IOCTLS */
887
888 int cx88_get_control (struct cx88_core *core, struct v4l2_control *ctl)
889 {
890 struct cx88_ctrl *c = NULL;
891 u32 value;
892 int i;
893
894 for (i = 0; i < CX8800_CTLS; i++)
895 if (cx8800_ctls[i].v.id == ctl->id)
896 c = &cx8800_ctls[i];
897 if (unlikely(NULL == c))
898 return -EINVAL;
899
900 value = c->sreg ? cx_sread(c->sreg) : cx_read(c->reg);
901 switch (ctl->id) {
902 case V4L2_CID_AUDIO_BALANCE:
903 ctl->value = ((value & 0x7f) < 0x40) ? ((value & 0x7f) + 0x40)
904 : (0x7f - (value & 0x7f));
905 break;
906 case V4L2_CID_AUDIO_VOLUME:
907 ctl->value = 0x3f - (value & 0x3f);
908 break;
909 default:
910 ctl->value = ((value + (c->off << c->shift)) & c->mask) >> c->shift;
911 break;
912 }
913 dprintk(1,"get_control id=0x%X(%s) ctrl=0x%02x, reg=0x%02x val=0x%02x (mask 0x%02x)%s\n",
914 ctl->id, c->v.name, ctl->value, c->reg,
915 value,c->mask, c->sreg ? " [shadowed]" : "");
916 return 0;
917 }
918 EXPORT_SYMBOL(cx88_get_control);
919
920 int cx88_set_control(struct cx88_core *core, struct v4l2_control *ctl)
921 {
922 struct cx88_ctrl *c = NULL;
923 u32 value,mask;
924 int i;
925
926 for (i = 0; i < CX8800_CTLS; i++) {
927 if (cx8800_ctls[i].v.id == ctl->id) {
928 c = &cx8800_ctls[i];
929 }
930 }
931 if (unlikely(NULL == c))
932 return -EINVAL;
933
934 if (ctl->value < c->v.minimum)
935 ctl->value = c->v.minimum;
936 if (ctl->value > c->v.maximum)
937 ctl->value = c->v.maximum;
938 mask=c->mask;
939 switch (ctl->id) {
940 case V4L2_CID_AUDIO_BALANCE:
941 value = (ctl->value < 0x40) ? (0x7f - ctl->value) : (ctl->value - 0x40);
942 break;
943 case V4L2_CID_AUDIO_VOLUME:
944 value = 0x3f - (ctl->value & 0x3f);
945 break;
946 case V4L2_CID_SATURATION:
947 /* special v_sat handling */
948
949 value = ((ctl->value - c->off) << c->shift) & c->mask;
950
951 if (core->tvnorm & V4L2_STD_SECAM) {
952 /* For SECAM, both U and V sat should be equal */
953 value=value<<8|value;
954 } else {
955 /* Keeps U Saturation proportional to V Sat */
956 value=(value*0x5a)/0x7f<<8|value;
957 }
958 mask=0xffff;
959 break;
960 default:
961 value = ((ctl->value - c->off) << c->shift) & c->mask;
962 break;
963 }
964 dprintk(1,"set_control id=0x%X(%s) ctrl=0x%02x, reg=0x%02x val=0x%02x (mask 0x%02x)%s\n",
965 ctl->id, c->v.name, ctl->value, c->reg, value,
966 mask, c->sreg ? " [shadowed]" : "");
967 if (c->sreg) {
968 cx_sandor(c->sreg, c->reg, mask, value);
969 } else {
970 cx_andor(c->reg, mask, value);
971 }
972 return 0;
973 }
974 EXPORT_SYMBOL(cx88_set_control);
975
976 static void init_controls(struct cx88_core *core)
977 {
978 struct v4l2_control ctrl;
979 int i;
980
981 for (i = 0; i < CX8800_CTLS; i++) {
982 ctrl.id=cx8800_ctls[i].v.id;
983 ctrl.value=cx8800_ctls[i].v.default_value;
984
985 cx88_set_control(core, &ctrl);
986 }
987 }
988
989 /* ------------------------------------------------------------------ */
990 /* VIDEO IOCTLS */
991
992 static int vidioc_g_fmt_cap (struct file *file, void *priv,
993 struct v4l2_format *f)
994 {
995 struct cx8800_fh *fh = priv;
996
997 f->fmt.pix.width = fh->width;
998 f->fmt.pix.height = fh->height;
999 f->fmt.pix.field = fh->vidq.field;
1000 f->fmt.pix.pixelformat = fh->fmt->fourcc;
1001 f->fmt.pix.bytesperline =
1002 (f->fmt.pix.width * fh->fmt->depth) >> 3;
1003 f->fmt.pix.sizeimage =
1004 f->fmt.pix.height * f->fmt.pix.bytesperline;
1005 return 0;
1006 }
1007
1008 static int vidioc_try_fmt_cap (struct file *file, void *priv,
1009 struct v4l2_format *f)
1010 {
1011 struct cx88_core *core = ((struct cx8800_fh *)priv)->dev->core;
1012 struct cx8800_fmt *fmt;
1013 enum v4l2_field field;
1014 unsigned int maxw, maxh;
1015
1016 fmt = format_by_fourcc(f->fmt.pix.pixelformat);
1017 if (NULL == fmt)
1018 return -EINVAL;
1019
1020 field = f->fmt.pix.field;
1021 maxw = norm_maxw(core->tvnorm);
1022 maxh = norm_maxh(core->tvnorm);
1023
1024 if (V4L2_FIELD_ANY == field) {
1025 field = (f->fmt.pix.height > maxh/2)
1026 ? V4L2_FIELD_INTERLACED
1027 : V4L2_FIELD_BOTTOM;
1028 }
1029
1030 switch (field) {
1031 case V4L2_FIELD_TOP:
1032 case V4L2_FIELD_BOTTOM:
1033 maxh = maxh / 2;
1034 break;
1035 case V4L2_FIELD_INTERLACED:
1036 break;
1037 default:
1038 return -EINVAL;
1039 }
1040
1041 f->fmt.pix.field = field;
1042 if (f->fmt.pix.height < 32)
1043 f->fmt.pix.height = 32;
1044 if (f->fmt.pix.height > maxh)
1045 f->fmt.pix.height = maxh;
1046 if (f->fmt.pix.width < 48)
1047 f->fmt.pix.width = 48;
1048 if (f->fmt.pix.width > maxw)
1049 f->fmt.pix.width = maxw;
1050 f->fmt.pix.width &= ~0x03;
1051 f->fmt.pix.bytesperline =
1052 (f->fmt.pix.width * fmt->depth) >> 3;
1053 f->fmt.pix.sizeimage =
1054 f->fmt.pix.height * f->fmt.pix.bytesperline;
1055
1056 return 0;
1057 }
1058
1059 static int vidioc_s_fmt_cap (struct file *file, void *priv,
1060 struct v4l2_format *f)
1061 {
1062 struct cx8800_fh *fh = priv;
1063 int err = vidioc_try_fmt_cap (file,priv,f);
1064
1065 if (0 != err)
1066 return err;
1067 fh->fmt = format_by_fourcc(f->fmt.pix.pixelformat);
1068 fh->width = f->fmt.pix.width;
1069 fh->height = f->fmt.pix.height;
1070 fh->vidq.field = f->fmt.pix.field;
1071 return 0;
1072 }
1073
1074 static int vidioc_querycap (struct file *file, void *priv,
1075 struct v4l2_capability *cap)
1076 {
1077 struct cx8800_dev *dev = ((struct cx8800_fh *)priv)->dev;
1078 struct cx88_core *core = dev->core;
1079
1080 strcpy(cap->driver, "cx8800");
1081 strlcpy(cap->card, cx88_boards[core->board].name,
1082 sizeof(cap->card));
1083 sprintf(cap->bus_info,"PCI:%s",pci_name(dev->pci));
1084 cap->version = CX88_VERSION_CODE;
1085 cap->capabilities =
1086 V4L2_CAP_VIDEO_CAPTURE |
1087 V4L2_CAP_READWRITE |
1088 V4L2_CAP_STREAMING |
1089 V4L2_CAP_VBI_CAPTURE;
1090 if (UNSET != core->tuner_type)
1091 cap->capabilities |= V4L2_CAP_TUNER;
1092 return 0;
1093 }
1094
1095 static int vidioc_enum_fmt_cap (struct file *file, void *priv,
1096 struct v4l2_fmtdesc *f)
1097 {
1098 if (unlikely(f->index >= ARRAY_SIZE(formats)))
1099 return -EINVAL;
1100
1101 strlcpy(f->description,formats[f->index].name,sizeof(f->description));
1102 f->pixelformat = formats[f->index].fourcc;
1103
1104 return 0;
1105 }
1106
1107 #ifdef CONFIG_VIDEO_V4L1_COMPAT
1108 static int vidiocgmbuf (struct file *file, void *priv, struct video_mbuf *mbuf)
1109 {
1110 struct cx8800_fh *fh = priv;
1111 struct videobuf_queue *q;
1112 struct v4l2_requestbuffers req;
1113 unsigned int i;
1114 int err;
1115
1116 q = get_queue(fh);
1117 memset(&req,0,sizeof(req));
1118 req.type = q->type;
1119 req.count = 8;
1120 req.memory = V4L2_MEMORY_MMAP;
1121 err = videobuf_reqbufs(q,&req);
1122 if (err < 0)
1123 return err;
1124
1125 mbuf->frames = req.count;
1126 mbuf->size = 0;
1127 for (i = 0; i < mbuf->frames; i++) {
1128 mbuf->offsets[i] = q->bufs[i]->boff;
1129 mbuf->size += q->bufs[i]->bsize;
1130 }
1131 return 0;
1132 }
1133 #endif
1134
1135 static int vidioc_reqbufs (struct file *file, void *priv, struct v4l2_requestbuffers *p)
1136 {
1137 struct cx8800_fh *fh = priv;
1138 return (videobuf_reqbufs(get_queue(fh), p));
1139 }
1140
1141 static int vidioc_querybuf (struct file *file, void *priv, struct v4l2_buffer *p)
1142 {
1143 struct cx8800_fh *fh = priv;
1144 return (videobuf_querybuf(get_queue(fh), p));
1145 }
1146
1147 static int vidioc_qbuf (struct file *file, void *priv, struct v4l2_buffer *p)
1148 {
1149 struct cx8800_fh *fh = priv;
1150 return (videobuf_qbuf(get_queue(fh), p));
1151 }
1152
1153 static int vidioc_dqbuf (struct file *file, void *priv, struct v4l2_buffer *p)
1154 {
1155 struct cx8800_fh *fh = priv;
1156 return (videobuf_dqbuf(get_queue(fh), p,
1157 file->f_flags & O_NONBLOCK));
1158 }
1159
1160 static int vidioc_streamon(struct file *file, void *priv, enum v4l2_buf_type i)
1161 {
1162 struct cx8800_fh *fh = priv;
1163 struct cx8800_dev *dev = fh->dev;
1164
1165 if (unlikely(fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE))
1166 return -EINVAL;
1167 if (unlikely(i != fh->type))
1168 return -EINVAL;
1169
1170 if (unlikely(!res_get(dev,fh,get_ressource(fh))))
1171 return -EBUSY;
1172 return videobuf_streamon(get_queue(fh));
1173 }
1174
1175 static int vidioc_streamoff(struct file *file, void *priv, enum v4l2_buf_type i)
1176 {
1177 struct cx8800_fh *fh = priv;
1178 struct cx8800_dev *dev = fh->dev;
1179 int err, res;
1180
1181 if (fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
1182 return -EINVAL;
1183 if (i != fh->type)
1184 return -EINVAL;
1185
1186 res = get_ressource(fh);
1187 err = videobuf_streamoff(get_queue(fh));
1188 if (err < 0)
1189 return err;
1190 res_free(dev,fh,res);
1191 return 0;
1192 }
1193
1194 static int vidioc_s_std (struct file *file, void *priv, v4l2_std_id *tvnorms)
1195 {
1196 struct cx88_core *core = ((struct cx8800_fh *)priv)->dev->core;
1197
1198 mutex_lock(&core->lock);
1199 cx88_set_tvnorm(core,*tvnorms);
1200 mutex_unlock(&core->lock);
1201
1202 return 0;
1203 }
1204
1205 /* only one input in this sample driver */
1206 int cx88_enum_input (struct cx88_core *core,struct v4l2_input *i)
1207 {
1208 static const char *iname[] = {
1209 [ CX88_VMUX_COMPOSITE1 ] = "Composite1",
1210 [ CX88_VMUX_COMPOSITE2 ] = "Composite2",
1211 [ CX88_VMUX_COMPOSITE3 ] = "Composite3",
1212 [ CX88_VMUX_COMPOSITE4 ] = "Composite4",
1213 [ CX88_VMUX_SVIDEO ] = "S-Video",
1214 [ CX88_VMUX_TELEVISION ] = "Television",
1215 [ CX88_VMUX_CABLE ] = "Cable TV",
1216 [ CX88_VMUX_DVB ] = "DVB",
1217 [ CX88_VMUX_DEBUG ] = "for debug only",
1218 };
1219 unsigned int n;
1220
1221 n = i->index;
1222 if (n >= 4)
1223 return -EINVAL;
1224 if (0 == INPUT(n)->type)
1225 return -EINVAL;
1226 memset(i,0,sizeof(*i));
1227 i->index = n;
1228 i->type = V4L2_INPUT_TYPE_CAMERA;
1229 strcpy(i->name,iname[INPUT(n)->type]);
1230 if ((CX88_VMUX_TELEVISION == INPUT(n)->type) ||
1231 (CX88_VMUX_CABLE == INPUT(n)->type))
1232 i->type = V4L2_INPUT_TYPE_TUNER;
1233 i->std = CX88_NORMS;
1234 return 0;
1235 }
1236 EXPORT_SYMBOL(cx88_enum_input);
1237
1238 static int vidioc_enum_input (struct file *file, void *priv,
1239 struct v4l2_input *i)
1240 {
1241 struct cx88_core *core = ((struct cx8800_fh *)priv)->dev->core;
1242 return cx88_enum_input (core,i);
1243 }
1244
1245 static int vidioc_g_input (struct file *file, void *priv, unsigned int *i)
1246 {
1247 struct cx88_core *core = ((struct cx8800_fh *)priv)->dev->core;
1248
1249 *i = core->input;
1250 return 0;
1251 }
1252
1253 static int vidioc_s_input (struct file *file, void *priv, unsigned int i)
1254 {
1255 struct cx88_core *core = ((struct cx8800_fh *)priv)->dev->core;
1256
1257 if (i >= 4)
1258 return -EINVAL;
1259
1260 mutex_lock(&core->lock);
1261 cx88_newstation(core);
1262 cx88_video_mux(core,i);
1263 mutex_unlock(&core->lock);
1264 return 0;
1265 }
1266
1267
1268
1269 static int vidioc_queryctrl (struct file *file, void *priv,
1270 struct v4l2_queryctrl *qctrl)
1271 {
1272 qctrl->id = v4l2_ctrl_next(ctrl_classes, qctrl->id);
1273 if (unlikely(qctrl->id == 0))
1274 return -EINVAL;
1275 return cx8800_ctrl_query(qctrl);
1276 }
1277
1278 static int vidioc_g_ctrl (struct file *file, void *priv,
1279 struct v4l2_control *ctl)
1280 {
1281 struct cx88_core *core = ((struct cx8800_fh *)priv)->dev->core;
1282 return
1283 cx88_get_control(core,ctl);
1284 }
1285
1286 static int vidioc_s_ctrl (struct file *file, void *priv,
1287 struct v4l2_control *ctl)
1288 {
1289 struct cx88_core *core = ((struct cx8800_fh *)priv)->dev->core;
1290 return
1291 cx88_set_control(core,ctl);
1292 }
1293
1294 static int vidioc_g_tuner (struct file *file, void *priv,
1295 struct v4l2_tuner *t)
1296 {
1297 struct cx88_core *core = ((struct cx8800_fh *)priv)->dev->core;
1298 u32 reg;
1299
1300 if (unlikely(UNSET == core->tuner_type))
1301 return -EINVAL;
1302 if (0 != t->index)
1303 return -EINVAL;
1304
1305 strcpy(t->name, "Television");
1306 t->type = V4L2_TUNER_ANALOG_TV;
1307 t->capability = V4L2_TUNER_CAP_NORM;
1308 t->rangehigh = 0xffffffffUL;
1309
1310 cx88_get_stereo(core ,t);
1311 reg = cx_read(MO_DEVICE_STATUS);
1312 t->signal = (reg & (1<<5)) ? 0xffff : 0x0000;
1313 return 0;
1314 }
1315
1316 static int vidioc_s_tuner (struct file *file, void *priv,
1317 struct v4l2_tuner *t)
1318 {
1319 struct cx88_core *core = ((struct cx8800_fh *)priv)->dev->core;
1320
1321 if (UNSET == core->tuner_type)
1322 return -EINVAL;
1323 if (0 != t->index)
1324 return -EINVAL;
1325
1326 cx88_set_stereo(core, t->audmode, 1);
1327 return 0;
1328 }
1329
1330 static int vidioc_g_frequency (struct file *file, void *priv,
1331 struct v4l2_frequency *f)
1332 {
1333 struct cx8800_fh *fh = priv;
1334 struct cx88_core *core = fh->dev->core;
1335
1336 if (unlikely(UNSET == core->tuner_type))
1337 return -EINVAL;
1338
1339 /* f->type = fh->radio ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV; */
1340 f->type = fh->radio ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV;
1341 f->frequency = core->freq;
1342
1343 cx88_call_i2c_clients(core,VIDIOC_G_FREQUENCY,f);
1344
1345 return 0;
1346 }
1347
1348 int cx88_set_freq (struct cx88_core *core,
1349 struct v4l2_frequency *f)
1350 {
1351 if (unlikely(UNSET == core->tuner_type))
1352 return -EINVAL;
1353 if (unlikely(f->tuner != 0))
1354 return -EINVAL;
1355
1356 mutex_lock(&core->lock);
1357 core->freq = f->frequency;
1358 cx88_newstation(core);
1359 cx88_call_i2c_clients(core,VIDIOC_S_FREQUENCY,f);
1360
1361 /* When changing channels it is required to reset TVAUDIO */
1362 msleep (10);
1363 cx88_set_tvaudio(core);
1364
1365 mutex_unlock(&core->lock);
1366
1367 return 0;
1368 }
1369 EXPORT_SYMBOL(cx88_set_freq);
1370
1371 static int vidioc_s_frequency (struct file *file, void *priv,
1372 struct v4l2_frequency *f)
1373 {
1374 struct cx8800_fh *fh = priv;
1375 struct cx88_core *core = fh->dev->core;
1376
1377 if (unlikely(0 == fh->radio && f->type != V4L2_TUNER_ANALOG_TV))
1378 return -EINVAL;
1379 if (unlikely(1 == fh->radio && f->type != V4L2_TUNER_RADIO))
1380 return -EINVAL;
1381
1382 return
1383 cx88_set_freq (core,f);
1384 }
1385
1386 #ifdef CONFIG_VIDEO_ADV_DEBUG
1387 static int vidioc_g_register (struct file *file, void *fh,
1388 struct v4l2_register *reg)
1389 {
1390 struct cx88_core *core = ((struct cx8800_fh*)fh)->dev->core;
1391
1392 if (!v4l2_chip_match_host(reg->match_type, reg->match_chip))
1393 return -EINVAL;
1394 /* cx2388x has a 24-bit register space */
1395 reg->val = cx_read(reg->reg&0xffffff);
1396 return 0;
1397 }
1398
1399 static int vidioc_s_register (struct file *file, void *fh,
1400 struct v4l2_register *reg)
1401 {
1402 struct cx88_core *core = ((struct cx8800_fh*)fh)->dev->core;
1403
1404 if (!v4l2_chip_match_host(reg->match_type, reg->match_chip))
1405 return -EINVAL;
1406 cx_write(reg->reg&0xffffff, reg->val);
1407 return 0;
1408 }
1409 #endif
1410
1411 /* ----------------------------------------------------------- */
1412 /* RADIO ESPECIFIC IOCTLS */
1413 /* ----------------------------------------------------------- */
1414
1415 static int radio_querycap (struct file *file, void *priv,
1416 struct v4l2_capability *cap)
1417 {
1418 struct cx8800_dev *dev = ((struct cx8800_fh *)priv)->dev;
1419 struct cx88_core *core = dev->core;
1420
1421 strcpy(cap->driver, "cx8800");
1422 strlcpy(cap->card, cx88_boards[core->board].name,
1423 sizeof(cap->card));
1424 sprintf(cap->bus_info,"PCI:%s", pci_name(dev->pci));
1425 cap->version = CX88_VERSION_CODE;
1426 cap->capabilities = V4L2_CAP_TUNER;
1427 return 0;
1428 }
1429
1430 static int radio_g_tuner (struct file *file, void *priv,
1431 struct v4l2_tuner *t)
1432 {
1433 struct cx88_core *core = ((struct cx8800_fh *)priv)->dev->core;
1434
1435 if (unlikely(t->index > 0))
1436 return -EINVAL;
1437
1438 strcpy(t->name, "Radio");
1439 t->type = V4L2_TUNER_RADIO;
1440
1441 cx88_call_i2c_clients(core,VIDIOC_G_TUNER,t);
1442 return 0;
1443 }
1444
1445 static int radio_enum_input (struct file *file, void *priv,
1446 struct v4l2_input *i)
1447 {
1448 if (i->index != 0)
1449 return -EINVAL;
1450 strcpy(i->name,"Radio");
1451 i->type = V4L2_INPUT_TYPE_TUNER;
1452
1453 return 0;
1454 }
1455
1456 static int radio_g_audio (struct file *file, void *priv, struct v4l2_audio *a)
1457 {
1458 if (unlikely(a->index))
1459 return -EINVAL;
1460
1461 memset(a,0,sizeof(*a));
1462 strcpy(a->name,"Radio");
1463 return 0;
1464 }
1465
1466 /* FIXME: Should add a standard for radio */
1467
1468 static int radio_s_tuner (struct file *file, void *priv,
1469 struct v4l2_tuner *t)
1470 {
1471 struct cx88_core *core = ((struct cx8800_fh *)priv)->dev->core;
1472
1473 if (0 != t->index)
1474 return -EINVAL;
1475
1476 cx88_call_i2c_clients(core,VIDIOC_S_TUNER,t);
1477
1478 return 0;
1479 }
1480
1481 static int radio_s_audio (struct file *file, void *fh,
1482 struct v4l2_audio *a)
1483 {
1484 return 0;
1485 }
1486
1487 static int radio_s_input (struct file *file, void *fh, unsigned int i)
1488 {
1489 return 0;
1490 }
1491
1492 static int radio_queryctrl (struct file *file, void *priv,
1493 struct v4l2_queryctrl *c)
1494 {
1495 int i;
1496
1497 if (c->id < V4L2_CID_BASE ||
1498 c->id >= V4L2_CID_LASTP1)
1499 return -EINVAL;
1500 if (c->id == V4L2_CID_AUDIO_MUTE) {
1501 for (i = 0; i < CX8800_CTLS; i++)
1502 if (cx8800_ctls[i].v.id == c->id)
1503 break;
1504 *c = cx8800_ctls[i].v;
1505 } else
1506 *c = no_ctl;
1507 return 0;
1508 }
1509
1510 /* ----------------------------------------------------------- */
1511
1512 static void cx8800_vid_timeout(unsigned long data)
1513 {
1514 struct cx8800_dev *dev = (struct cx8800_dev*)data;
1515 struct cx88_core *core = dev->core;
1516 struct cx88_dmaqueue *q = &dev->vidq;
1517 struct cx88_buffer *buf;
1518 unsigned long flags;
1519
1520 cx88_sram_channel_dump(core, &cx88_sram_channels[SRAM_CH21]);
1521
1522 cx_clear(MO_VID_DMACNTRL, 0x11);
1523 cx_clear(VID_CAPTURE_CONTROL, 0x06);
1524
1525 spin_lock_irqsave(&dev->slock,flags);
1526 while (!list_empty(&q->active)) {
1527 buf = list_entry(q->active.next, struct cx88_buffer, vb.queue);
1528 list_del(&buf->vb.queue);
1529 buf->vb.state = STATE_ERROR;
1530 wake_up(&buf->vb.done);
1531 printk("%s/0: [%p/%d] timeout - dma=0x%08lx\n", core->name,
1532 buf, buf->vb.i, (unsigned long)buf->risc.dma);
1533 }
1534 restart_video_queue(dev,q);
1535 spin_unlock_irqrestore(&dev->slock,flags);
1536 }
1537
1538 static char *cx88_vid_irqs[32] = {
1539 "y_risci1", "u_risci1", "v_risci1", "vbi_risc1",
1540 "y_risci2", "u_risci2", "v_risci2", "vbi_risc2",
1541 "y_oflow", "u_oflow", "v_oflow", "vbi_oflow",
1542 "y_sync", "u_sync", "v_sync", "vbi_sync",
1543 "opc_err", "par_err", "rip_err", "pci_abort",
1544 };
1545
1546 static void cx8800_vid_irq(struct cx8800_dev *dev)
1547 {
1548 struct cx88_core *core = dev->core;
1549 u32 status, mask, count;
1550
1551 status = cx_read(MO_VID_INTSTAT);
1552 mask = cx_read(MO_VID_INTMSK);
1553 if (0 == (status & mask))
1554 return;
1555 cx_write(MO_VID_INTSTAT, status);
1556 if (irq_debug || (status & mask & ~0xff))
1557 cx88_print_irqbits(core->name, "irq vid",
1558 cx88_vid_irqs, ARRAY_SIZE(cx88_vid_irqs),
1559 status, mask);
1560
1561 /* risc op code error */
1562 if (status & (1 << 16)) {
1563 printk(KERN_WARNING "%s/0: video risc op code error\n",core->name);
1564 cx_clear(MO_VID_DMACNTRL, 0x11);
1565 cx_clear(VID_CAPTURE_CONTROL, 0x06);
1566 cx88_sram_channel_dump(core, &cx88_sram_channels[SRAM_CH21]);
1567 }
1568
1569 /* risc1 y */
1570 if (status & 0x01) {
1571 spin_lock(&dev->slock);
1572 count = cx_read(MO_VIDY_GPCNT);
1573 cx88_wakeup(core, &dev->vidq, count);
1574 spin_unlock(&dev->slock);
1575 }
1576
1577 /* risc1 vbi */
1578 if (status & 0x08) {
1579 spin_lock(&dev->slock);
1580 count = cx_read(MO_VBI_GPCNT);
1581 cx88_wakeup(core, &dev->vbiq, count);
1582 spin_unlock(&dev->slock);
1583 }
1584
1585 /* risc2 y */
1586 if (status & 0x10) {
1587 dprintk(2,"stopper video\n");
1588 spin_lock(&dev->slock);
1589 restart_video_queue(dev,&dev->vidq);
1590 spin_unlock(&dev->slock);
1591 }
1592
1593 /* risc2 vbi */
1594 if (status & 0x80) {
1595 dprintk(2,"stopper vbi\n");
1596 spin_lock(&dev->slock);
1597 cx8800_restart_vbi_queue(dev,&dev->vbiq);
1598 spin_unlock(&dev->slock);
1599 }
1600 }
1601
1602 static irqreturn_t cx8800_irq(int irq, void *dev_id)
1603 {
1604 struct cx8800_dev *dev = dev_id;
1605 struct cx88_core *core = dev->core;
1606 u32 status;
1607 int loop, handled = 0;
1608
1609 for (loop = 0; loop < 10; loop++) {
1610 status = cx_read(MO_PCI_INTSTAT) & (core->pci_irqmask | 0x01);
1611 if (0 == status)
1612 goto out;
1613 cx_write(MO_PCI_INTSTAT, status);
1614 handled = 1;
1615
1616 if (status & core->pci_irqmask)
1617 cx88_core_irq(core,status);
1618 if (status & 0x01)
1619 cx8800_vid_irq(dev);
1620 };
1621 if (10 == loop) {
1622 printk(KERN_WARNING "%s/0: irq loop -- clearing mask\n",
1623 core->name);
1624 cx_write(MO_PCI_INTMSK,0);
1625 }
1626
1627 out:
1628 return IRQ_RETVAL(handled);
1629 }
1630
1631 /* ----------------------------------------------------------- */
1632 /* exported stuff */
1633
1634 static const struct file_operations video_fops =
1635 {
1636 .owner = THIS_MODULE,
1637 .open = video_open,
1638 .release = video_release,
1639 .read = video_read,
1640 .poll = video_poll,
1641 .mmap = video_mmap,
1642 .ioctl = video_ioctl2,
1643 .compat_ioctl = v4l_compat_ioctl32,
1644 .llseek = no_llseek,
1645 };
1646
1647 static struct video_device cx8800_vbi_template;
1648 static struct video_device cx8800_video_template =
1649 {
1650 .name = "cx8800-video",
1651 .type = VID_TYPE_CAPTURE|VID_TYPE_TUNER|VID_TYPE_SCALES,
1652 .fops = &video_fops,
1653 .minor = -1,
1654 .vidioc_querycap = vidioc_querycap,
1655 .vidioc_enum_fmt_cap = vidioc_enum_fmt_cap,
1656 .vidioc_g_fmt_cap = vidioc_g_fmt_cap,
1657 .vidioc_try_fmt_cap = vidioc_try_fmt_cap,
1658 .vidioc_s_fmt_cap = vidioc_s_fmt_cap,
1659 .vidioc_g_fmt_vbi = cx8800_vbi_fmt,
1660 .vidioc_try_fmt_vbi = cx8800_vbi_fmt,
1661 .vidioc_s_fmt_vbi = cx8800_vbi_fmt,
1662 .vidioc_reqbufs = vidioc_reqbufs,
1663 .vidioc_querybuf = vidioc_querybuf,
1664 .vidioc_qbuf = vidioc_qbuf,
1665 .vidioc_dqbuf = vidioc_dqbuf,
1666 .vidioc_s_std = vidioc_s_std,
1667 .vidioc_enum_input = vidioc_enum_input,
1668 .vidioc_g_input = vidioc_g_input,
1669 .vidioc_s_input = vidioc_s_input,
1670 .vidioc_queryctrl = vidioc_queryctrl,
1671 .vidioc_g_ctrl = vidioc_g_ctrl,
1672 .vidioc_s_ctrl = vidioc_s_ctrl,
1673 .vidioc_streamon = vidioc_streamon,
1674 .vidioc_streamoff = vidioc_streamoff,
1675 #ifdef CONFIG_VIDEO_V4L1_COMPAT
1676 .vidiocgmbuf = vidiocgmbuf,
1677 #endif
1678 .vidioc_g_tuner = vidioc_g_tuner,
1679 .vidioc_s_tuner = vidioc_s_tuner,
1680 .vidioc_g_frequency = vidioc_g_frequency,
1681 .vidioc_s_frequency = vidioc_s_frequency,
1682 #ifdef CONFIG_VIDEO_ADV_DEBUG
1683 .vidioc_g_register = vidioc_g_register,
1684 .vidioc_s_register = vidioc_s_register,
1685 #endif
1686 .tvnorms = CX88_NORMS,
1687 .current_norm = V4L2_STD_NTSC_M,
1688 };
1689
1690 static const struct file_operations radio_fops =
1691 {
1692 .owner = THIS_MODULE,
1693 .open = video_open,
1694 .release = video_release,
1695 .ioctl = video_ioctl2,
1696 .compat_ioctl = v4l_compat_ioctl32,
1697 .llseek = no_llseek,
1698 };
1699
1700 static struct video_device cx8800_radio_template =
1701 {
1702 .name = "cx8800-radio",
1703 .type = VID_TYPE_TUNER,
1704 .hardware = 0,
1705 .fops = &radio_fops,
1706 .minor = -1,
1707 .vidioc_querycap = radio_querycap,
1708 .vidioc_g_tuner = radio_g_tuner,
1709 .vidioc_enum_input = radio_enum_input,
1710 .vidioc_g_audio = radio_g_audio,
1711 .vidioc_s_tuner = radio_s_tuner,
1712 .vidioc_s_audio = radio_s_audio,
1713 .vidioc_s_input = radio_s_input,
1714 .vidioc_queryctrl = radio_queryctrl,
1715 .vidioc_g_ctrl = vidioc_g_ctrl,
1716 .vidioc_s_ctrl = vidioc_s_ctrl,
1717 .vidioc_g_frequency = vidioc_g_frequency,
1718 .vidioc_s_frequency = vidioc_s_frequency,
1719 };
1720
1721 /* ----------------------------------------------------------- */
1722
1723 static void cx8800_unregister_video(struct cx8800_dev *dev)
1724 {
1725 if (dev->radio_dev) {
1726 if (-1 != dev->radio_dev->minor)
1727 video_unregister_device(dev->radio_dev);
1728 else
1729 video_device_release(dev->radio_dev);
1730 dev->radio_dev = NULL;
1731 }
1732 if (dev->vbi_dev) {
1733 if (-1 != dev->vbi_dev->minor)
1734 video_unregister_device(dev->vbi_dev);
1735 else
1736 video_device_release(dev->vbi_dev);
1737 dev->vbi_dev = NULL;
1738 }
1739 if (dev->video_dev) {
1740 if (-1 != dev->video_dev->minor)
1741 video_unregister_device(dev->video_dev);
1742 else
1743 video_device_release(dev->video_dev);
1744 dev->video_dev = NULL;
1745 }
1746 }
1747
1748 static int __devinit cx8800_initdev(struct pci_dev *pci_dev,
1749 const struct pci_device_id *pci_id)
1750 {
1751 struct cx8800_dev *dev;
1752 struct cx88_core *core;
1753
1754 int err;
1755
1756 dev = kzalloc(sizeof(*dev),GFP_KERNEL);
1757 if (NULL == dev)
1758 return -ENOMEM;
1759
1760 /* pci init */
1761 dev->pci = pci_dev;
1762 if (pci_enable_device(pci_dev)) {
1763 err = -EIO;
1764 goto fail_free;
1765 }
1766 core = cx88_core_get(dev->pci);
1767 if (NULL == core) {
1768 err = -EINVAL;
1769 goto fail_free;
1770 }
1771 dev->core = core;
1772
1773 /* print pci info */
1774 pci_read_config_byte(pci_dev, PCI_CLASS_REVISION, &dev->pci_rev);
1775 pci_read_config_byte(pci_dev, PCI_LATENCY_TIMER, &dev->pci_lat);
1776 printk(KERN_INFO "%s/0: found at %s, rev: %d, irq: %d, "
1777 "latency: %d, mmio: 0x%llx\n", core->name,
1778 pci_name(pci_dev), dev->pci_rev, pci_dev->irq,
1779 dev->pci_lat,(unsigned long long)pci_resource_start(pci_dev,0));
1780
1781 pci_set_master(pci_dev);
1782 if (!pci_dma_supported(pci_dev,DMA_32BIT_MASK)) {
1783 printk("%s/0: Oops: no 32bit PCI DMA ???\n",core->name);
1784 err = -EIO;
1785 goto fail_core;
1786 }
1787
1788 /* Initialize VBI template */
1789 memcpy( &cx8800_vbi_template, &cx8800_video_template,
1790 sizeof(cx8800_vbi_template) );
1791 strcpy(cx8800_vbi_template.name,"cx8800-vbi");
1792 cx8800_vbi_template.type = VID_TYPE_TELETEXT|VID_TYPE_TUNER;
1793
1794 /* initialize driver struct */
1795 spin_lock_init(&dev->slock);
1796 core->tvnorm = cx8800_video_template.current_norm;
1797
1798 /* init video dma queues */
1799 INIT_LIST_HEAD(&dev->vidq.active);
1800 INIT_LIST_HEAD(&dev->vidq.queued);
1801 dev->vidq.timeout.function = cx8800_vid_timeout;
1802 dev->vidq.timeout.data = (unsigned long)dev;
1803 init_timer(&dev->vidq.timeout);
1804 cx88_risc_stopper(dev->pci,&dev->vidq.stopper,
1805 MO_VID_DMACNTRL,0x11,0x00);
1806
1807 /* init vbi dma queues */
1808 INIT_LIST_HEAD(&dev->vbiq.active);
1809 INIT_LIST_HEAD(&dev->vbiq.queued);
1810 dev->vbiq.timeout.function = cx8800_vbi_timeout;
1811 dev->vbiq.timeout.data = (unsigned long)dev;
1812 init_timer(&dev->vbiq.timeout);
1813 cx88_risc_stopper(dev->pci,&dev->vbiq.stopper,
1814 MO_VID_DMACNTRL,0x88,0x00);
1815
1816 /* get irq */
1817 err = request_irq(pci_dev->irq, cx8800_irq,
1818 IRQF_SHARED | IRQF_DISABLED, core->name, dev);
1819 if (err < 0) {
1820 printk(KERN_ERR "%s: can't get IRQ %d\n",
1821 core->name,pci_dev->irq);
1822 goto fail_core;
1823 }
1824 cx_set(MO_PCI_INTMSK, core->pci_irqmask);
1825
1826 /* load and configure helper modules */
1827 if (TUNER_ABSENT != core->tuner_type)
1828 request_module("tuner");
1829
1830 if (cx88_boards[ core->board ].audio_chip == AUDIO_CHIP_WM8775)
1831 request_module("wm8775");
1832
1833 /* register v4l devices */
1834 dev->video_dev = cx88_vdev_init(core,dev->pci,
1835 &cx8800_video_template,"video");
1836 err = video_register_device(dev->video_dev,VFL_TYPE_GRABBER,
1837 video_nr[core->nr]);
1838 if (err < 0) {
1839 printk(KERN_INFO "%s: can't register video device\n",
1840 core->name);
1841 goto fail_unreg;
1842 }
1843 printk(KERN_INFO "%s/0: registered device video%d [v4l2]\n",
1844 core->name,dev->video_dev->minor & 0x1f);
1845
1846 dev->vbi_dev = cx88_vdev_init(core,dev->pci,&cx8800_vbi_template,"vbi");
1847 err = video_register_device(dev->vbi_dev,VFL_TYPE_VBI,
1848 vbi_nr[core->nr]);
1849 if (err < 0) {
1850 printk(KERN_INFO "%s/0: can't register vbi device\n",
1851 core->name);
1852 goto fail_unreg;
1853 }
1854 printk(KERN_INFO "%s/0: registered device vbi%d\n",
1855 core->name,dev->vbi_dev->minor & 0x1f);
1856
1857 if (core->has_radio) {
1858 dev->radio_dev = cx88_vdev_init(core,dev->pci,
1859 &cx8800_radio_template,"radio");
1860 err = video_register_device(dev->radio_dev,VFL_TYPE_RADIO,
1861 radio_nr[core->nr]);
1862 if (err < 0) {
1863 printk(KERN_INFO "%s/0: can't register radio device\n",
1864 core->name);
1865 goto fail_unreg;
1866 }
1867 printk(KERN_INFO "%s/0: registered device radio%d\n",
1868 core->name,dev->radio_dev->minor & 0x1f);
1869 }
1870
1871 /* everything worked */
1872 list_add_tail(&dev->devlist,&cx8800_devlist);
1873 pci_set_drvdata(pci_dev,dev);
1874
1875 /* initial device configuration */
1876 mutex_lock(&core->lock);
1877 cx88_set_tvnorm(core,core->tvnorm);
1878 init_controls(core);
1879 cx88_video_mux(core,0);
1880 mutex_unlock(&core->lock);
1881
1882 /* start tvaudio thread */
1883 if (core->tuner_type != TUNER_ABSENT)
1884 core->kthread = kthread_run(cx88_audio_thread, core, "cx88 tvaudio");
1885 return 0;
1886
1887 fail_unreg:
1888 cx8800_unregister_video(dev);
1889 free_irq(pci_dev->irq, dev);
1890 fail_core:
1891 cx88_core_put(core,dev->pci);
1892 fail_free:
1893 kfree(dev);
1894 return err;
1895 }
1896
1897 static void __devexit cx8800_finidev(struct pci_dev *pci_dev)
1898 {
1899 struct cx8800_dev *dev = pci_get_drvdata(pci_dev);
1900 struct cx88_core *core = dev->core;
1901
1902 /* stop thread */
1903 if (core->kthread) {
1904 kthread_stop(core->kthread);
1905 core->kthread = NULL;
1906 }
1907
1908 cx88_shutdown(core); /* FIXME */
1909 pci_disable_device(pci_dev);
1910
1911 /* unregister stuff */
1912
1913 free_irq(pci_dev->irq, dev);
1914 cx8800_unregister_video(dev);
1915 pci_set_drvdata(pci_dev, NULL);
1916
1917 /* free memory */
1918 btcx_riscmem_free(dev->pci,&dev->vidq.stopper);
1919 list_del(&dev->devlist);
1920 cx88_core_put(core,dev->pci);
1921 kfree(dev);
1922 }
1923
1924 #ifdef CONFIG_PM
1925 static int cx8800_suspend(struct pci_dev *pci_dev, pm_message_t state)
1926 {
1927 struct cx8800_dev *dev = pci_get_drvdata(pci_dev);
1928 struct cx88_core *core = dev->core;
1929
1930 /* stop video+vbi capture */
1931 spin_lock(&dev->slock);
1932 if (!list_empty(&dev->vidq.active)) {
1933 printk("%s: suspend video\n", core->name);
1934 stop_video_dma(dev);
1935 del_timer(&dev->vidq.timeout);
1936 }
1937 if (!list_empty(&dev->vbiq.active)) {
1938 printk("%s: suspend vbi\n", core->name);
1939 cx8800_stop_vbi_dma(dev);
1940 del_timer(&dev->vbiq.timeout);
1941 }
1942 spin_unlock(&dev->slock);
1943
1944 /* FIXME -- shutdown device */
1945 cx88_shutdown(core);
1946
1947 pci_save_state(pci_dev);
1948 if (0 != pci_set_power_state(pci_dev, pci_choose_state(pci_dev, state))) {
1949 pci_disable_device(pci_dev);
1950 dev->state.disabled = 1;
1951 }
1952 return 0;
1953 }
1954
1955 static int cx8800_resume(struct pci_dev *pci_dev)
1956 {
1957 struct cx8800_dev *dev = pci_get_drvdata(pci_dev);
1958 struct cx88_core *core = dev->core;
1959 int err;
1960
1961 if (dev->state.disabled) {
1962 err=pci_enable_device(pci_dev);
1963 if (err) {
1964 printk(KERN_ERR "%s: can't enable device\n",
1965 core->name);
1966 return err;
1967 }
1968
1969 dev->state.disabled = 0;
1970 }
1971 err= pci_set_power_state(pci_dev, PCI_D0);
1972 if (err) {
1973 printk(KERN_ERR "%s: can't enable device\n",
1974 core->name);
1975
1976 pci_disable_device(pci_dev);
1977 dev->state.disabled = 1;
1978
1979 return err;
1980 }
1981 pci_restore_state(pci_dev);
1982
1983 /* FIXME: re-initialize hardware */
1984 cx88_reset(core);
1985
1986 /* restart video+vbi capture */
1987 spin_lock(&dev->slock);
1988 if (!list_empty(&dev->vidq.active)) {
1989 printk("%s: resume video\n", core->name);
1990 restart_video_queue(dev,&dev->vidq);
1991 }
1992 if (!list_empty(&dev->vbiq.active)) {
1993 printk("%s: resume vbi\n", core->name);
1994 cx8800_restart_vbi_queue(dev,&dev->vbiq);
1995 }
1996 spin_unlock(&dev->slock);
1997
1998 return 0;
1999 }
2000 #endif
2001
2002 /* ----------------------------------------------------------- */
2003
2004 static struct pci_device_id cx8800_pci_tbl[] = {
2005 {
2006 .vendor = 0x14f1,
2007 .device = 0x8800,
2008 .subvendor = PCI_ANY_ID,
2009 .subdevice = PCI_ANY_ID,
2010 },{
2011 /* --- end of list --- */
2012 }
2013 };
2014 MODULE_DEVICE_TABLE(pci, cx8800_pci_tbl);
2015
2016 static struct pci_driver cx8800_pci_driver = {
2017 .name = "cx8800",
2018 .id_table = cx8800_pci_tbl,
2019 .probe = cx8800_initdev,
2020 .remove = __devexit_p(cx8800_finidev),
2021 #ifdef CONFIG_PM
2022 .suspend = cx8800_suspend,
2023 .resume = cx8800_resume,
2024 #endif
2025 };
2026
2027 static int cx8800_init(void)
2028 {
2029 printk(KERN_INFO "cx2388x v4l2 driver version %d.%d.%d loaded\n",
2030 (CX88_VERSION_CODE >> 16) & 0xff,
2031 (CX88_VERSION_CODE >> 8) & 0xff,
2032 CX88_VERSION_CODE & 0xff);
2033 #ifdef SNAPSHOT
2034 printk(KERN_INFO "cx2388x: snapshot date %04d-%02d-%02d\n",
2035 SNAPSHOT/10000, (SNAPSHOT/100)%100, SNAPSHOT%100);
2036 #endif
2037 return pci_register_driver(&cx8800_pci_driver);
2038 }
2039
2040 static void cx8800_fini(void)
2041 {
2042 pci_unregister_driver(&cx8800_pci_driver);
2043 }
2044
2045 module_init(cx8800_init);
2046 module_exit(cx8800_fini);
2047
2048 /* ----------------------------------------------------------- */
2049 /*
2050 * Local variables:
2051 * c-basic-offset: 8
2052 * End:
2053 * 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
2054 */
Linux kernel - Deliverables
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