1 /*
2 * $Id: cx88-video.c,v 1.46 2004/11/07 14:44:59 kraxel 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/kmod.h>
28 #include <linux/kernel.h>
29 #include <linux/slab.h>
30 #include <linux/interrupt.h>
31 #include <linux/delay.h>
32 #include <linux/kthread.h>
33 #include <asm/div64.h>
34
35 #include "cx88.h"
36
37 MODULE_DESCRIPTION("v4l2 driver module for cx2388x based TV cards");
38 MODULE_AUTHOR("Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]");
39 MODULE_LICENSE("GPL");
40
41 /* ------------------------------------------------------------------ */
42
43 static unsigned int video_nr[] = {[0 ... (CX88_MAXBOARDS - 1)] = UNSET };
44 static unsigned int vbi_nr[] = {[0 ... (CX88_MAXBOARDS - 1)] = UNSET };
45 static unsigned int radio_nr[] = {[0 ... (CX88_MAXBOARDS - 1)] = UNSET };
46
47 module_param_array(video_nr, int, NULL, 0444);
48 module_param_array(vbi_nr, int, NULL, 0444);
49 module_param_array(radio_nr, int, NULL, 0444);
50
51 MODULE_PARM_DESC(video_nr,"video device numbers");
52 MODULE_PARM_DESC(vbi_nr,"vbi device numbers");
53 MODULE_PARM_DESC(radio_nr,"radio device numbers");
54
55 static unsigned int video_debug = 0;
56 module_param(video_debug,int,0644);
57 MODULE_PARM_DESC(video_debug,"enable debug messages [video]");
58
59 static unsigned int irq_debug = 0;
60 module_param(irq_debug,int,0644);
61 MODULE_PARM_DESC(irq_debug,"enable debug messages [IRQ handler]");
62
63 static unsigned int vid_limit = 16;
64 module_param(vid_limit,int,0644);
65 MODULE_PARM_DESC(vid_limit,"capture memory limit in megabytes");
66
67 #define dprintk(level,fmt, arg...) if (video_debug >= level) \
68 printk(KERN_DEBUG "%s/0: " fmt, dev->core->name , ## arg)
69
70 /* ------------------------------------------------------------------ */
71
72 static LIST_HEAD(cx8800_devlist);
73
74 /* ------------------------------------------------------------------- */
75 /* static data */
76
77 static struct cx88_tvnorm tvnorms[] = {
78 {
79 .name = "NTSC-M",
80 .id = V4L2_STD_NTSC_M,
81 .cxiformat = VideoFormatNTSC,
82 .cxoformat = 0x181f0008,
83 },{
84 .name = "NTSC-JP",
85 .id = V4L2_STD_NTSC_M_JP,
86 .cxiformat = VideoFormatNTSCJapan,
87 .cxoformat = 0x181f0008,
88 #if 0
89 },{
90 .name = "NTSC-4.43",
91 .id = FIXME,
92 .cxiformat = VideoFormatNTSC443,
93 .cxoformat = 0x181f0008,
94 #endif
95 },{
96 .name = "PAL-BG",
97 .id = V4L2_STD_PAL_BG,
98 .cxiformat = VideoFormatPAL,
99 .cxoformat = 0x181f0008,
100 },{
101 .name = "PAL-DK",
102 .id = V4L2_STD_PAL_DK,
103 .cxiformat = VideoFormatPAL,
104 .cxoformat = 0x181f0008,
105 },{
106 .name = "PAL-I",
107 .id = V4L2_STD_PAL_I,
108 .cxiformat = VideoFormatPAL,
109 .cxoformat = 0x181f0008,
110 },{
111 .name = "PAL-M",
112 .id = V4L2_STD_PAL_M,
113 .cxiformat = VideoFormatPALM,
114 .cxoformat = 0x1c1f0008,
115 },{
116 .name = "PAL-N",
117 .id = V4L2_STD_PAL_N,
118 .cxiformat = VideoFormatPALN,
119 .cxoformat = 0x1c1f0008,
120 },{
121 .name = "PAL-Nc",
122 .id = V4L2_STD_PAL_Nc,
123 .cxiformat = VideoFormatPALNC,
124 .cxoformat = 0x1c1f0008,
125 },{
126 .name = "PAL-60",
127 .id = V4L2_STD_PAL_60,
128 .cxiformat = VideoFormatPAL60,
129 .cxoformat = 0x181f0008,
130 },{
131 .name = "SECAM-L",
132 .id = V4L2_STD_SECAM_L,
133 .cxiformat = VideoFormatSECAM,
134 .cxoformat = 0x181f0008,
135 },{
136 .name = "SECAM-DK",
137 .id = V4L2_STD_SECAM_DK,
138 .cxiformat = VideoFormatSECAM,
139 .cxoformat = 0x181f0008,
140 }
141 };
142
143 static struct cx8800_fmt formats[] = {
144 {
145 .name = "8 bpp, gray",
146 .fourcc = V4L2_PIX_FMT_GREY,
147 .cxformat = ColorFormatY8,
148 .depth = 8,
149 .flags = FORMAT_FLAGS_PACKED,
150 },{
151 .name = "15 bpp RGB, le",
152 .fourcc = V4L2_PIX_FMT_RGB555,
153 .cxformat = ColorFormatRGB15,
154 .depth = 16,
155 .flags = FORMAT_FLAGS_PACKED,
156 },{
157 .name = "15 bpp RGB, be",
158 .fourcc = V4L2_PIX_FMT_RGB555X,
159 .cxformat = ColorFormatRGB15 | ColorFormatBSWAP,
160 .depth = 16,
161 .flags = FORMAT_FLAGS_PACKED,
162 },{
163 .name = "16 bpp RGB, le",
164 .fourcc = V4L2_PIX_FMT_RGB565,
165 .cxformat = ColorFormatRGB16,
166 .depth = 16,
167 .flags = FORMAT_FLAGS_PACKED,
168 },{
169 .name = "16 bpp RGB, be",
170 .fourcc = V4L2_PIX_FMT_RGB565X,
171 .cxformat = ColorFormatRGB16 | ColorFormatBSWAP,
172 .depth = 16,
173 .flags = FORMAT_FLAGS_PACKED,
174 },{
175 .name = "24 bpp RGB, le",
176 .fourcc = V4L2_PIX_FMT_BGR24,
177 .cxformat = ColorFormatRGB24,
178 .depth = 24,
179 .flags = FORMAT_FLAGS_PACKED,
180 },{
181 .name = "32 bpp RGB, le",
182 .fourcc = V4L2_PIX_FMT_BGR32,
183 .cxformat = ColorFormatRGB32,
184 .depth = 32,
185 .flags = FORMAT_FLAGS_PACKED,
186 },{
187 .name = "32 bpp RGB, be",
188 .fourcc = V4L2_PIX_FMT_RGB32,
189 .cxformat = ColorFormatRGB32 | ColorFormatBSWAP | ColorFormatWSWAP,
190 .depth = 32,
191 .flags = FORMAT_FLAGS_PACKED,
192 },{
193 .name = "4:2:2, packed, YUYV",
194 .fourcc = V4L2_PIX_FMT_YUYV,
195 .cxformat = ColorFormatYUY2,
196 .depth = 16,
197 .flags = FORMAT_FLAGS_PACKED,
198 },{
199 .name = "4:2:2, packed, UYVY",
200 .fourcc = V4L2_PIX_FMT_UYVY,
201 .cxformat = ColorFormatYUY2 | ColorFormatBSWAP,
202 .depth = 16,
203 .flags = FORMAT_FLAGS_PACKED,
204 },
205 };
206
207 static struct cx8800_fmt* format_by_fourcc(unsigned int fourcc)
208 {
209 unsigned int i;
210
211 for (i = 0; i < ARRAY_SIZE(formats); i++)
212 if (formats[i].fourcc == fourcc)
213 return formats+i;
214 return NULL;
215 }
216
217 /* ------------------------------------------------------------------- */
218
219 static const struct v4l2_queryctrl no_ctl = {
220 .name = "42",
221 .flags = V4L2_CTRL_FLAG_DISABLED,
222 };
223
224 static struct cx88_ctrl cx8800_ctls[] = {
225 /* --- video --- */
226 {
227 .v = {
228 .id = V4L2_CID_BRIGHTNESS,
229 .name = "Brightness",
230 .minimum = 0x00,
231 .maximum = 0xff,
232 .step = 1,
233 .default_value = 0,
234 .type = V4L2_CTRL_TYPE_INTEGER,
235 },
236 .off = 128,
237 .reg = MO_CONTR_BRIGHT,
238 .mask = 0x00ff,
239 .shift = 0,
240 },{
241 .v = {
242 .id = V4L2_CID_CONTRAST,
243 .name = "Contrast",
244 .minimum = 0,
245 .maximum = 0xff,
246 .step = 1,
247 .default_value = 0,
248 .type = V4L2_CTRL_TYPE_INTEGER,
249 },
250 .reg = MO_CONTR_BRIGHT,
251 .mask = 0xff00,
252 .shift = 8,
253 },{
254 .v = {
255 .id = V4L2_CID_HUE,
256 .name = "Hue",
257 .minimum = 0,
258 .maximum = 0xff,
259 .step = 1,
260 .default_value = 0,
261 .type = V4L2_CTRL_TYPE_INTEGER,
262 },
263 .off = 0,
264 .reg = MO_HUE,
265 .mask = 0x00ff,
266 .shift = 0,
267 },{
268 /* strictly, this only describes only U saturation.
269 * V saturation is handled specially through code.
270 */
271 .v = {
272 .id = V4L2_CID_SATURATION,
273 .name = "Saturation",
274 .minimum = 0,
275 .maximum = 0xff,
276 .step = 1,
277 .default_value = 0,
278 .type = V4L2_CTRL_TYPE_INTEGER,
279 },
280 .off = 0,
281 .reg = MO_UV_SATURATION,
282 .mask = 0x00ff,
283 .shift = 0,
284 },{
285 /* --- audio --- */
286 .v = {
287 .id = V4L2_CID_AUDIO_MUTE,
288 .name = "Mute",
289 .minimum = 0,
290 .maximum = 1,
291 .type = V4L2_CTRL_TYPE_BOOLEAN,
292 },
293 .reg = AUD_VOL_CTL,
294 .sreg = SHADOW_AUD_VOL_CTL,
295 .mask = (1 << 6),
296 .shift = 6,
297 },{
298 .v = {
299 .id = V4L2_CID_AUDIO_VOLUME,
300 .name = "Volume",
301 .minimum = 0,
302 .maximum = 0x3f,
303 .step = 1,
304 .default_value = 0,
305 .type = V4L2_CTRL_TYPE_INTEGER,
306 },
307 .reg = AUD_VOL_CTL,
308 .sreg = SHADOW_AUD_VOL_CTL,
309 .mask = 0x3f,
310 .shift = 0,
311 },{
312 .v = {
313 .id = V4L2_CID_AUDIO_BALANCE,
314 .name = "Balance",
315 .minimum = 0,
316 .maximum = 0x7f,
317 .step = 1,
318 .default_value = 0x40,
319 .type = V4L2_CTRL_TYPE_INTEGER,
320 },
321 .reg = AUD_BAL_CTL,
322 .sreg = SHADOW_AUD_BAL_CTL,
323 .mask = 0x7f,
324 .shift = 0,
325 }
326 };
327 const int CX8800_CTLS = ARRAY_SIZE(cx8800_ctls);
328
329 /* ------------------------------------------------------------------- */
330 /* resource management */
331
332 static int res_get(struct cx8800_dev *dev, struct cx8800_fh *fh, unsigned int bit)
333 {
334 if (fh->resources & bit)
335 /* have it already allocated */
336 return 1;
337
338 /* is it free? */
339 down(&dev->lock);
340 if (dev->resources & bit) {
341 /* no, someone else uses it */
342 up(&dev->lock);
343 return 0;
344 }
345 /* it's free, grab it */
346 fh->resources |= bit;
347 dev->resources |= bit;
348 dprintk(1,"res: get %d\n",bit);
349 up(&dev->lock);
350 return 1;
351 }
352
353 static
354 int res_check(struct cx8800_fh *fh, unsigned int bit)
355 {
356 return (fh->resources & bit);
357 }
358
359 static
360 int res_locked(struct cx8800_dev *dev, unsigned int bit)
361 {
362 return (dev->resources & bit);
363 }
364
365 static
366 void res_free(struct cx8800_dev *dev, struct cx8800_fh *fh, unsigned int bits)
367 {
368 if ((fh->resources & bits) != bits)
369 BUG();
370
371 down(&dev->lock);
372 fh->resources &= ~bits;
373 dev->resources &= ~bits;
374 dprintk(1,"res: put %d\n",bits);
375 up(&dev->lock);
376 }
377
378 /* ------------------------------------------------------------------ */
379
380 static int video_mux(struct cx8800_dev *dev, unsigned int input)
381 {
382 struct cx88_core *core = dev->core;
383
384 dprintk(1,"video_mux: %d [vmux=%d,gpio=0x%x,0x%x,0x%x,0x%x]\n",
385 input, INPUT(input)->vmux,
386 INPUT(input)->gpio0,INPUT(input)->gpio1,
387 INPUT(input)->gpio2,INPUT(input)->gpio3);
388 dev->core->input = input;
389 cx_andor(MO_INPUT_FORMAT, 0x03 << 14, INPUT(input)->vmux << 14);
390 cx_write(MO_GP3_IO, INPUT(input)->gpio3);
391 cx_write(MO_GP0_IO, INPUT(input)->gpio0);
392 cx_write(MO_GP1_IO, INPUT(input)->gpio1);
393 cx_write(MO_GP2_IO, INPUT(input)->gpio2);
394
395 switch (INPUT(input)->type) {
396 case CX88_VMUX_SVIDEO:
397 cx_set(MO_AFECFG_IO, 0x00000001);
398 cx_set(MO_INPUT_FORMAT, 0x00010010);
399 cx_set(MO_FILTER_EVEN, 0x00002020);
400 cx_set(MO_FILTER_ODD, 0x00002020);
401 break;
402 default:
403 cx_clear(MO_AFECFG_IO, 0x00000001);
404 cx_clear(MO_INPUT_FORMAT, 0x00010010);
405 cx_clear(MO_FILTER_EVEN, 0x00002020);
406 cx_clear(MO_FILTER_ODD, 0x00002020);
407 break;
408 }
409 return 0;
410 }
411
412 /* ------------------------------------------------------------------ */
413
414 static int start_video_dma(struct cx8800_dev *dev,
415 struct cx88_dmaqueue *q,
416 struct cx88_buffer *buf)
417 {
418 struct cx88_core *core = dev->core;
419
420 /* setup fifo + format */
421 cx88_sram_channel_setup(dev->core, &cx88_sram_channels[SRAM_CH21],
422 buf->bpl, buf->risc.dma);
423 cx88_set_scale(dev->core, buf->vb.width, buf->vb.height, buf->vb.field);
424 cx_write(MO_COLOR_CTRL, buf->fmt->cxformat | ColorFormatGamma);
425
426 /* reset counter */
427 cx_write(MO_VIDY_GPCNTRL,GP_COUNT_CONTROL_RESET);
428 q->count = 1;
429
430 /* enable irqs */
431 cx_set(MO_PCI_INTMSK, 0x00fc01);
432 cx_set(MO_VID_INTMSK, 0x0f0011);
433
434 /* enable capture */
435 cx_set(VID_CAPTURE_CONTROL,0x06);
436
437 /* start dma */
438 cx_set(MO_DEV_CNTRL2, (1<<5));
439 cx_set(MO_VID_DMACNTRL, 0x11);
440
441 return 0;
442 }
443
444 static int stop_video_dma(struct cx8800_dev *dev)
445 {
446 struct cx88_core *core = dev->core;
447
448 /* stop dma */
449 cx_clear(MO_VID_DMACNTRL, 0x11);
450
451 /* disable capture */
452 cx_clear(VID_CAPTURE_CONTROL,0x06);
453
454 /* disable irqs */
455 cx_clear(MO_PCI_INTMSK, 0x000001);
456 cx_clear(MO_VID_INTMSK, 0x0f0011);
457 return 0;
458 }
459
460 static int restart_video_queue(struct cx8800_dev *dev,
461 struct cx88_dmaqueue *q)
462 {
463 struct cx88_buffer *buf, *prev;
464 struct list_head *item;
465
466 if (!list_empty(&q->active)) {
467 buf = list_entry(q->active.next, struct cx88_buffer, vb.queue);
468 dprintk(2,"restart_queue [%p/%d]: restart dma\n",
469 buf, buf->vb.i);
470 start_video_dma(dev, q, buf);
471 list_for_each(item,&q->active) {
472 buf = list_entry(item, struct cx88_buffer, vb.queue);
473 buf->count = q->count++;
474 }
475 mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT);
476 return 0;
477 }
478
479 prev = NULL;
480 for (;;) {
481 if (list_empty(&q->queued))
482 return 0;
483 buf = list_entry(q->queued.next, struct cx88_buffer, vb.queue);
484 if (NULL == prev) {
485 list_del(&buf->vb.queue);
486 list_add_tail(&buf->vb.queue,&q->active);
487 start_video_dma(dev, q, buf);
488 buf->vb.state = STATE_ACTIVE;
489 buf->count = q->count++;
490 mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT);
491 dprintk(2,"[%p/%d] restart_queue - first active\n",
492 buf,buf->vb.i);
493
494 } else if (prev->vb.width == buf->vb.width &&
495 prev->vb.height == buf->vb.height &&
496 prev->fmt == buf->fmt) {
497 list_del(&buf->vb.queue);
498 list_add_tail(&buf->vb.queue,&q->active);
499 buf->vb.state = STATE_ACTIVE;
500 buf->count = q->count++;
501 prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma);
502 dprintk(2,"[%p/%d] restart_queue - move to active\n",
503 buf,buf->vb.i);
504 } else {
505 return 0;
506 }
507 prev = buf;
508 }
509 }
510
511 /* ------------------------------------------------------------------ */
512
513 static int
514 buffer_setup(struct videobuf_queue *q, unsigned int *count, unsigned int *size)
515 {
516 struct cx8800_fh *fh = q->priv_data;
517
518 *size = fh->fmt->depth*fh->width*fh->height >> 3;
519 if (0 == *count)
520 *count = 32;
521 while (*size * *count > vid_limit * 1024 * 1024)
522 (*count)--;
523 return 0;
524 }
525
526 static int
527 buffer_prepare(struct videobuf_queue *q, struct videobuf_buffer *vb,
528 enum v4l2_field field)
529 {
530 struct cx8800_fh *fh = q->priv_data;
531 struct cx8800_dev *dev = fh->dev;
532 struct cx88_buffer *buf = container_of(vb,struct cx88_buffer,vb);
533 int rc, init_buffer = 0;
534
535 BUG_ON(NULL == fh->fmt);
536 if (fh->width < 48 || fh->width > norm_maxw(dev->core->tvnorm) ||
537 fh->height < 32 || fh->height > norm_maxh(dev->core->tvnorm))
538 return -EINVAL;
539 buf->vb.size = (fh->width * fh->height * fh->fmt->depth) >> 3;
540 if (0 != buf->vb.baddr && buf->vb.bsize < buf->vb.size)
541 return -EINVAL;
542
543 if (buf->fmt != fh->fmt ||
544 buf->vb.width != fh->width ||
545 buf->vb.height != fh->height ||
546 buf->vb.field != field) {
547 buf->fmt = fh->fmt;
548 buf->vb.width = fh->width;
549 buf->vb.height = fh->height;
550 buf->vb.field = field;
551 init_buffer = 1;
552 }
553
554 if (STATE_NEEDS_INIT == buf->vb.state) {
555 init_buffer = 1;
556 if (0 != (rc = videobuf_iolock(dev->pci,&buf->vb,NULL)))
557 goto fail;
558 }
559
560 if (init_buffer) {
561 buf->bpl = buf->vb.width * buf->fmt->depth >> 3;
562 switch (buf->vb.field) {
563 case V4L2_FIELD_TOP:
564 cx88_risc_buffer(dev->pci, &buf->risc,
565 buf->vb.dma.sglist, 0, UNSET,
566 buf->bpl, 0, buf->vb.height);
567 break;
568 case V4L2_FIELD_BOTTOM:
569 cx88_risc_buffer(dev->pci, &buf->risc,
570 buf->vb.dma.sglist, UNSET, 0,
571 buf->bpl, 0, buf->vb.height);
572 break;
573 case V4L2_FIELD_INTERLACED:
574 cx88_risc_buffer(dev->pci, &buf->risc,
575 buf->vb.dma.sglist, 0, buf->bpl,
576 buf->bpl, buf->bpl,
577 buf->vb.height >> 1);
578 break;
579 case V4L2_FIELD_SEQ_TB:
580 cx88_risc_buffer(dev->pci, &buf->risc,
581 buf->vb.dma.sglist,
582 0, buf->bpl * (buf->vb.height >> 1),
583 buf->bpl, 0,
584 buf->vb.height >> 1);
585 break;
586 case V4L2_FIELD_SEQ_BT:
587 cx88_risc_buffer(dev->pci, &buf->risc,
588 buf->vb.dma.sglist,
589 buf->bpl * (buf->vb.height >> 1), 0,
590 buf->bpl, 0,
591 buf->vb.height >> 1);
592 break;
593 default:
594 BUG();
595 }
596 }
597 dprintk(2,"[%p/%d] buffer_prepare - %dx%d %dbpp \"%s\" - dma=0x%08lx\n",
598 buf, buf->vb.i,
599 fh->width, fh->height, fh->fmt->depth, fh->fmt->name,
600 (unsigned long)buf->risc.dma);
601
602 buf->vb.state = STATE_PREPARED;
603 return 0;
604
605 fail:
606 cx88_free_buffer(dev->pci,buf);
607 return rc;
608 }
609
610 static void
611 buffer_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb)
612 {
613 struct cx88_buffer *buf = container_of(vb,struct cx88_buffer,vb);
614 struct cx88_buffer *prev;
615 struct cx8800_fh *fh = vq->priv_data;
616 struct cx8800_dev *dev = fh->dev;
617 struct cx88_dmaqueue *q = &dev->vidq;
618
619 /* add jump to stopper */
620 buf->risc.jmp[0] = cpu_to_le32(RISC_JUMP | RISC_IRQ1 | RISC_CNT_INC);
621 buf->risc.jmp[1] = cpu_to_le32(q->stopper.dma);
622
623 if (!list_empty(&q->queued)) {
624 list_add_tail(&buf->vb.queue,&q->queued);
625 buf->vb.state = STATE_QUEUED;
626 dprintk(2,"[%p/%d] buffer_queue - append to queued\n",
627 buf, buf->vb.i);
628
629 } else if (list_empty(&q->active)) {
630 list_add_tail(&buf->vb.queue,&q->active);
631 start_video_dma(dev, q, buf);
632 buf->vb.state = STATE_ACTIVE;
633 buf->count = q->count++;
634 mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT);
635 dprintk(2,"[%p/%d] buffer_queue - first active\n",
636 buf, buf->vb.i);
637
638 } else {
639 prev = list_entry(q->active.prev, struct cx88_buffer, vb.queue);
640 if (prev->vb.width == buf->vb.width &&
641 prev->vb.height == buf->vb.height &&
642 prev->fmt == buf->fmt) {
643 list_add_tail(&buf->vb.queue,&q->active);
644 buf->vb.state = STATE_ACTIVE;
645 buf->count = q->count++;
646 prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma);
647 dprintk(2,"[%p/%d] buffer_queue - append to active\n",
648 buf, buf->vb.i);
649
650 } else {
651 list_add_tail(&buf->vb.queue,&q->queued);
652 buf->vb.state = STATE_QUEUED;
653 dprintk(2,"[%p/%d] buffer_queue - first queued\n",
654 buf, buf->vb.i);
655 }
656 }
657 }
658
659 static void buffer_release(struct videobuf_queue *q, struct videobuf_buffer *vb)
660 {
661 struct cx88_buffer *buf = container_of(vb,struct cx88_buffer,vb);
662 struct cx8800_fh *fh = q->priv_data;
663
664 cx88_free_buffer(fh->dev->pci,buf);
665 }
666
667 struct videobuf_queue_ops cx8800_video_qops = {
668 .buf_setup = buffer_setup,
669 .buf_prepare = buffer_prepare,
670 .buf_queue = buffer_queue,
671 .buf_release = buffer_release,
672 };
673
674 /* ------------------------------------------------------------------ */
675
676 #if 0 /* overlay support not finished yet */
677 static u32* ov_risc_field(struct cx8800_dev *dev, struct cx8800_fh *fh,
678 u32 *rp, struct btcx_skiplist *skips,
679 u32 sync_line, int skip_even, int skip_odd)
680 {
681 int line,maxy,start,end,skip,nskips;
682 u32 ri,ra;
683 u32 addr;
684
685 /* sync instruction */
686 *(rp++) = cpu_to_le32(RISC_RESYNC | sync_line);
687
688 addr = (unsigned long)dev->fbuf.base;
689 addr += dev->fbuf.fmt.bytesperline * fh->win.w.top;
690 addr += (fh->fmt->depth >> 3) * fh->win.w.left;
691
692 /* scan lines */
693 for (maxy = -1, line = 0; line < fh->win.w.height;
694 line++, addr += dev->fbuf.fmt.bytesperline) {
695 if ((line%2) == 0 && skip_even)
696 continue;
697 if ((line%2) == 1 && skip_odd)
698 continue;
699
700 /* calculate clipping */
701 if (line > maxy)
702 btcx_calc_skips(line, fh->win.w.width, &maxy,
703 skips, &nskips, fh->clips, fh->nclips);
704
705 /* write out risc code */
706 for (start = 0, skip = 0; start < fh->win.w.width; start = end) {
707 if (skip >= nskips) {
708 ri = RISC_WRITE;
709 end = fh->win.w.width;
710 } else if (start < skips[skip].start) {
711 ri = RISC_WRITE;
712 end = skips[skip].start;
713 } else {
714 ri = RISC_SKIP;
715 end = skips[skip].end;
716 skip++;
717 }
718 if (RISC_WRITE == ri)
719 ra = addr + (fh->fmt->depth>>3)*start;
720 else
721 ra = 0;
722
723 if (0 == start)
724 ri |= RISC_SOL;
725 if (fh->win.w.width == end)
726 ri |= RISC_EOL;
727 ri |= (fh->fmt->depth>>3) * (end-start);
728
729 *(rp++)=cpu_to_le32(ri);
730 if (0 != ra)
731 *(rp++)=cpu_to_le32(ra);
732 }
733 }
734 kfree(skips);
735 return rp;
736 }
737
738 static int ov_risc_frame(struct cx8800_dev *dev, struct cx8800_fh *fh,
739 struct cx88_buffer *buf)
740 {
741 struct btcx_skiplist *skips;
742 u32 instructions,fields;
743 u32 *rp;
744 int rc;
745
746 /* skip list for window clipping */
747 if (NULL == (skips = kmalloc(sizeof(*skips) * fh->nclips,GFP_KERNEL)))
748 return -ENOMEM;
749
750 fields = 0;
751 if (V4L2_FIELD_HAS_TOP(fh->win.field))
752 fields++;
753 if (V4L2_FIELD_HAS_BOTTOM(fh->win.field))
754 fields++;
755
756 /* estimate risc mem: worst case is (clip+1) * lines instructions
757 + syncs + jump (all 2 dwords) */
758 instructions = (fh->nclips+1) * fh->win.w.height;
759 instructions += 3 + 4;
760 if ((rc = btcx_riscmem_alloc(dev->pci,&buf->risc,instructions*8)) < 0) {
761 kfree(skips);
762 return rc;
763 }
764
765 /* write risc instructions */
766 rp = buf->risc.cpu;
767 switch (fh->win.field) {
768 case V4L2_FIELD_TOP:
769 rp = ov_risc_field(dev, fh, rp, skips, 0, 0, 0);
770 break;
771 case V4L2_FIELD_BOTTOM:
772 rp = ov_risc_field(dev, fh, rp, skips, 0x200, 0, 0);
773 break;
774 case V4L2_FIELD_INTERLACED:
775 rp = ov_risc_field(dev, fh, rp, skips, 0, 0, 1);
776 rp = ov_risc_field(dev, fh, rp, skips, 0x200, 1, 0);
777 break;
778 default:
779 BUG();
780 }
781
782 /* save pointer to jmp instruction address */
783 buf->risc.jmp = rp;
784 kfree(skips);
785 return 0;
786 }
787
788 static int verify_window(struct cx8800_dev *dev, struct v4l2_window *win)
789 {
790 enum v4l2_field field;
791 int maxw, maxh;
792
793 if (NULL == dev->fbuf.base)
794 return -EINVAL;
795 if (win->w.width < 48 || win->w.height < 32)
796 return -EINVAL;
797 if (win->clipcount > 2048)
798 return -EINVAL;
799
800 field = win->field;
801 maxw = norm_maxw(core->tvnorm);
802 maxh = norm_maxh(core->tvnorm);
803
804 if (V4L2_FIELD_ANY == field) {
805 field = (win->w.height > maxh/2)
806 ? V4L2_FIELD_INTERLACED
807 : V4L2_FIELD_TOP;
808 }
809 switch (field) {
810 case V4L2_FIELD_TOP:
811 case V4L2_FIELD_BOTTOM:
812 maxh = maxh / 2;
813 break;
814 case V4L2_FIELD_INTERLACED:
815 break;
816 default:
817 return -EINVAL;
818 }
819
820 win->field = field;
821 if (win->w.width > maxw)
822 win->w.width = maxw;
823 if (win->w.height > maxh)
824 win->w.height = maxh;
825 return 0;
826 }
827
828 static int setup_window(struct cx8800_dev *dev, struct cx8800_fh *fh,
829 struct v4l2_window *win)
830 {
831 struct v4l2_clip *clips = NULL;
832 int n,size,retval = 0;
833
834 if (NULL == fh->fmt)
835 return -EINVAL;
836 retval = verify_window(dev,win);
837 if (0 != retval)
838 return retval;
839
840 /* copy clips -- luckily v4l1 + v4l2 are binary
841 compatible here ...*/
842 n = win->clipcount;
843 size = sizeof(*clips)*(n+4);
844 clips = kmalloc(size,GFP_KERNEL);
845 if (NULL == clips)
846 return -ENOMEM;
847 if (n > 0) {
848 if (copy_from_user(clips,win->clips,sizeof(struct v4l2_clip)*n)) {
849 kfree(clips);
850 return -EFAULT;
851 }
852 }
853
854 /* clip against screen */
855 if (NULL != dev->fbuf.base)
856 n = btcx_screen_clips(dev->fbuf.fmt.width, dev->fbuf.fmt.height,
857 &win->w, clips, n);
858 btcx_sort_clips(clips,n);
859
860 /* 4-byte alignments */
861 switch (fh->fmt->depth) {
862 case 8:
863 case 24:
864 btcx_align(&win->w, clips, n, 3);
865 break;
866 case 16:
867 btcx_align(&win->w, clips, n, 1);
868 break;
869 case 32:
870 /* no alignment fixups needed */
871 break;
872 default:
873 BUG();
874 }
875
876 down(&fh->vidq.lock);
877 if (fh->clips)
878 kfree(fh->clips);
879 fh->clips = clips;
880 fh->nclips = n;
881 fh->win = *win;
882 #if 0
883 fh->ov.setup_ok = 1;
884 #endif
885
886 /* update overlay if needed */
887 retval = 0;
888 #if 0
889 if (check_btres(fh, RESOURCE_OVERLAY)) {
890 struct bttv_buffer *new;
891
892 new = videobuf_alloc(sizeof(*new));
893 bttv_overlay_risc(btv, &fh->ov, fh->ovfmt, new);
894 retval = bttv_switch_overlay(btv,fh,new);
895 }
896 #endif
897 up(&fh->vidq.lock);
898 return retval;
899 }
900 #endif
901
902 /* ------------------------------------------------------------------ */
903
904 static struct videobuf_queue* get_queue(struct cx8800_fh *fh)
905 {
906 switch (fh->type) {
907 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
908 return &fh->vidq;
909 case V4L2_BUF_TYPE_VBI_CAPTURE:
910 return &fh->vbiq;
911 default:
912 BUG();
913 return NULL;
914 }
915 }
916
917 static int get_ressource(struct cx8800_fh *fh)
918 {
919 switch (fh->type) {
920 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
921 return RESOURCE_VIDEO;
922 case V4L2_BUF_TYPE_VBI_CAPTURE:
923 return RESOURCE_VBI;
924 default:
925 BUG();
926 return 0;
927 }
928 }
929
930 static int video_open(struct inode *inode, struct file *file)
931 {
932 int minor = iminor(inode);
933 struct cx8800_dev *h,*dev = NULL;
934 struct cx8800_fh *fh;
935 struct list_head *list;
936 enum v4l2_buf_type type = 0;
937 int radio = 0;
938
939 list_for_each(list,&cx8800_devlist) {
940 h = list_entry(list, struct cx8800_dev, devlist);
941 if (h->video_dev->minor == minor) {
942 dev = h;
943 type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
944 }
945 if (h->vbi_dev->minor == minor) {
946 dev = h;
947 type = V4L2_BUF_TYPE_VBI_CAPTURE;
948 }
949 if (h->radio_dev &&
950 h->radio_dev->minor == minor) {
951 radio = 1;
952 dev = h;
953 }
954 }
955 if (NULL == dev)
956 return -ENODEV;
957
958 dprintk(1,"open minor=%d radio=%d type=%s\n",
959 minor,radio,v4l2_type_names[type]);
960
961 /* allocate + initialize per filehandle data */
962 fh = kmalloc(sizeof(*fh),GFP_KERNEL);
963 if (NULL == fh)
964 return -ENOMEM;
965 memset(fh,0,sizeof(*fh));
966 file->private_data = fh;
967 fh->dev = dev;
968 fh->radio = radio;
969 fh->type = type;
970 fh->width = 320;
971 fh->height = 240;
972 fh->fmt = format_by_fourcc(V4L2_PIX_FMT_BGR24);
973
974 videobuf_queue_init(&fh->vidq, &cx8800_video_qops,
975 dev->pci, &dev->slock,
976 V4L2_BUF_TYPE_VIDEO_CAPTURE,
977 V4L2_FIELD_INTERLACED,
978 sizeof(struct cx88_buffer),
979 fh);
980 videobuf_queue_init(&fh->vbiq, &cx8800_vbi_qops,
981 dev->pci, &dev->slock,
982 V4L2_BUF_TYPE_VBI_CAPTURE,
983 V4L2_FIELD_SEQ_TB,
984 sizeof(struct cx88_buffer),
985 fh);
986
987 if (fh->radio) {
988 struct cx88_core *core = dev->core;
989 int board = core->board;
990 dprintk(1,"video_open: setting radio device\n");
991 cx_write(MO_GP0_IO, cx88_boards[board].radio.gpio0);
992 cx_write(MO_GP1_IO, cx88_boards[board].radio.gpio1);
993 cx_write(MO_GP2_IO, cx88_boards[board].radio.gpio2);
994 cx_write(MO_GP3_IO, cx88_boards[board].radio.gpio3);
995 dev->core->tvaudio = WW_FM;
996 cx88_set_tvaudio(core);
997 cx88_set_stereo(core,V4L2_TUNER_MODE_STEREO);
998 cx88_call_i2c_clients(dev->core,AUDC_SET_RADIO,NULL);
999 }
1000
1001 return 0;
1002 }
1003
1004 static ssize_t
1005 video_read(struct file *file, char __user *data, size_t count, loff_t *ppos)
1006 {
1007 struct cx8800_fh *fh = file->private_data;
1008
1009 switch (fh->type) {
1010 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
1011 if (res_locked(fh->dev,RESOURCE_VIDEO))
1012 return -EBUSY;
1013 return videobuf_read_one(&fh->vidq, data, count, ppos,
1014 file->f_flags & O_NONBLOCK);
1015 case V4L2_BUF_TYPE_VBI_CAPTURE:
1016 if (!res_get(fh->dev,fh,RESOURCE_VBI))
1017 return -EBUSY;
1018 return videobuf_read_stream(&fh->vbiq, data, count, ppos, 1,
1019 file->f_flags & O_NONBLOCK);
1020 default:
1021 BUG();
1022 return 0;
1023 }
1024 }
1025
1026 static unsigned int
1027 video_poll(struct file *file, struct poll_table_struct *wait)
1028 {
1029 struct cx8800_fh *fh = file->private_data;
1030 struct cx88_buffer *buf;
1031
1032 if (V4L2_BUF_TYPE_VBI_CAPTURE == fh->type) {
1033 if (!res_get(fh->dev,fh,RESOURCE_VBI))
1034 return POLLERR;
1035 return videobuf_poll_stream(file, &fh->vbiq, wait);
1036 }
1037
1038 if (res_check(fh,RESOURCE_VIDEO)) {
1039 /* streaming capture */
1040 if (list_empty(&fh->vidq.stream))
1041 return POLLERR;
1042 buf = list_entry(fh->vidq.stream.next,struct cx88_buffer,vb.stream);
1043 } else {
1044 /* read() capture */
1045 buf = (struct cx88_buffer*)fh->vidq.read_buf;
1046 if (NULL == buf)
1047 return POLLERR;
1048 }
1049 poll_wait(file, &buf->vb.done, wait);
1050 if (buf->vb.state == STATE_DONE ||
1051 buf->vb.state == STATE_ERROR)
1052 return POLLIN|POLLRDNORM;
1053 return 0;
1054 }
1055
1056 static int video_release(struct inode *inode, struct file *file)
1057 {
1058 struct cx8800_fh *fh = file->private_data;
1059 struct cx8800_dev *dev = fh->dev;
1060
1061 /* turn off overlay */
1062 if (res_check(fh, RESOURCE_OVERLAY)) {
1063 /* FIXME */
1064 res_free(dev,fh,RESOURCE_OVERLAY);
1065 }
1066
1067 /* stop video capture */
1068 if (res_check(fh, RESOURCE_VIDEO)) {
1069 videobuf_queue_cancel(&fh->vidq);
1070 res_free(dev,fh,RESOURCE_VIDEO);
1071 }
1072 if (fh->vidq.read_buf) {
1073 buffer_release(&fh->vidq,fh->vidq.read_buf);
1074 kfree(fh->vidq.read_buf);
1075 }
1076
1077 /* stop vbi capture */
1078 if (res_check(fh, RESOURCE_VBI)) {
1079 if (fh->vbiq.streaming)
1080 videobuf_streamoff(&fh->vbiq);
1081 if (fh->vbiq.reading)
1082 videobuf_read_stop(&fh->vbiq);
1083 res_free(dev,fh,RESOURCE_VBI);
1084 }
1085
1086 file->private_data = NULL;
1087 kfree(fh);
1088 return 0;
1089 }
1090
1091 static int
1092 video_mmap(struct file *file, struct vm_area_struct * vma)
1093 {
1094 struct cx8800_fh *fh = file->private_data;
1095
1096 return videobuf_mmap_mapper(get_queue(fh), vma);
1097 }
1098
1099 /* ------------------------------------------------------------------ */
1100
1101 static int get_control(struct cx8800_dev *dev, struct v4l2_control *ctl)
1102 {
1103 struct cx88_core *core = dev->core;
1104 struct cx88_ctrl *c = NULL;
1105 u32 value;
1106 int i;
1107
1108 for (i = 0; i < CX8800_CTLS; i++)
1109 if (cx8800_ctls[i].v.id == ctl->id)
1110 c = &cx8800_ctls[i];
1111 if (NULL == c)
1112 return -EINVAL;
1113
1114 value = c->sreg ? cx_sread(c->sreg) : cx_read(c->reg);
1115 switch (ctl->id) {
1116 case V4L2_CID_AUDIO_BALANCE:
1117 ctl->value = (value & 0x40) ? (value & 0x3f) : (0x40 - (value & 0x3f));
1118 break;
1119 case V4L2_CID_AUDIO_VOLUME:
1120 ctl->value = 0x3f - (value & 0x3f);
1121 break;
1122 default:
1123 ctl->value = ((value + (c->off << c->shift)) & c->mask) >> c->shift;
1124 break;
1125 }
1126 return 0;
1127 }
1128
1129 static int set_control(struct cx8800_dev *dev, struct v4l2_control *ctl)
1130 {
1131 struct cx88_core *core = dev->core;
1132 struct cx88_ctrl *c = NULL;
1133 u32 v_sat_value;
1134 u32 value;
1135 int i;
1136
1137 for (i = 0; i < CX8800_CTLS; i++)
1138 if (cx8800_ctls[i].v.id == ctl->id)
1139 c = &cx8800_ctls[i];
1140 if (NULL == c)
1141 return -EINVAL;
1142
1143 if (ctl->value < c->v.minimum)
1144 return -ERANGE;
1145 if (ctl->value > c->v.maximum)
1146 return -ERANGE;
1147 switch (ctl->id) {
1148 case V4L2_CID_AUDIO_BALANCE:
1149 value = (ctl->value < 0x40) ? (0x40 - ctl->value) : ctl->value;
1150 break;
1151 case V4L2_CID_AUDIO_VOLUME:
1152 value = 0x3f - (ctl->value & 0x3f);
1153 break;
1154 case V4L2_CID_SATURATION:
1155 /* special v_sat handling */
1156 v_sat_value = ctl->value - (0x7f - 0x5a);
1157 if (v_sat_value > 0xff)
1158 v_sat_value = 0xff;
1159 if (v_sat_value < 0x00)
1160 v_sat_value = 0x00;
1161 cx_andor(MO_UV_SATURATION, 0xff00, v_sat_value << 8);
1162 /* fall through to default route for u_sat */
1163 default:
1164 value = ((ctl->value - c->off) << c->shift) & c->mask;
1165 break;
1166 }
1167 dprintk(1,"set_control id=0x%X reg=0x%x val=0x%x%s\n",
1168 ctl->id, c->reg, value, c->sreg ? " [shadowed]" : "");
1169 if (c->sreg) {
1170 cx_sandor(c->sreg, c->reg, c->mask, value);
1171 } else {
1172 cx_andor(c->reg, c->mask, value);
1173 }
1174 return 0;
1175 }
1176
1177 static void init_controls(struct cx8800_dev *dev)
1178 {
1179 static struct v4l2_control mute = {
1180 .id = V4L2_CID_AUDIO_MUTE,
1181 .value = 1,
1182 };
1183 static struct v4l2_control volume = {
1184 .id = V4L2_CID_AUDIO_VOLUME,
1185 .value = 0x3f,
1186 };
1187
1188 set_control(dev,&mute);
1189 set_control(dev,&volume);
1190 }
1191
1192 /* ------------------------------------------------------------------ */
1193
1194 static int cx8800_g_fmt(struct cx8800_dev *dev, struct cx8800_fh *fh,
1195 struct v4l2_format *f)
1196 {
1197 switch (f->type) {
1198 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
1199 memset(&f->fmt.pix,0,sizeof(f->fmt.pix));
1200 f->fmt.pix.width = fh->width;
1201 f->fmt.pix.height = fh->height;
1202 f->fmt.pix.field = fh->vidq.field;
1203 f->fmt.pix.pixelformat = fh->fmt->fourcc;
1204 f->fmt.pix.bytesperline =
1205 (f->fmt.pix.width * fh->fmt->depth) >> 3;
1206 f->fmt.pix.sizeimage =
1207 f->fmt.pix.height * f->fmt.pix.bytesperline;
1208 return 0;
1209 case V4L2_BUF_TYPE_VBI_CAPTURE:
1210 cx8800_vbi_fmt(dev, f);
1211 return 0;
1212 default:
1213 return -EINVAL;
1214 }
1215 }
1216
1217 static int cx8800_try_fmt(struct cx8800_dev *dev, struct cx8800_fh *fh,
1218 struct v4l2_format *f)
1219 {
1220 switch (f->type) {
1221 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
1222 {
1223 struct cx8800_fmt *fmt;
1224 enum v4l2_field field;
1225 unsigned int maxw, maxh;
1226
1227 fmt = format_by_fourcc(f->fmt.pix.pixelformat);
1228 if (NULL == fmt)
1229 return -EINVAL;
1230
1231 field = f->fmt.pix.field;
1232 maxw = norm_maxw(dev->core->tvnorm);
1233 maxh = norm_maxh(dev->core->tvnorm);
1234
1235 if (V4L2_FIELD_ANY == field) {
1236 field = (f->fmt.pix.height > maxh/2)
1237 ? V4L2_FIELD_INTERLACED
1238 : V4L2_FIELD_BOTTOM;
1239 }
1240
1241 switch (field) {
1242 case V4L2_FIELD_TOP:
1243 case V4L2_FIELD_BOTTOM:
1244 maxh = maxh / 2;
1245 break;
1246 case V4L2_FIELD_INTERLACED:
1247 break;
1248 default:
1249 return -EINVAL;
1250 }
1251
1252 f->fmt.pix.field = field;
1253 if (f->fmt.pix.height < 32)
1254 f->fmt.pix.height = 32;
1255 if (f->fmt.pix.height > maxh)
1256 f->fmt.pix.height = maxh;
1257 if (f->fmt.pix.width < 48)
1258 f->fmt.pix.width = 48;
1259 if (f->fmt.pix.width > maxw)
1260 f->fmt.pix.width = maxw;
1261 f->fmt.pix.width &= ~0x03;
1262 f->fmt.pix.bytesperline =
1263 (f->fmt.pix.width * fmt->depth) >> 3;
1264 f->fmt.pix.sizeimage =
1265 f->fmt.pix.height * f->fmt.pix.bytesperline;
1266
1267 return 0;
1268 }
1269 case V4L2_BUF_TYPE_VBI_CAPTURE:
1270 cx8800_vbi_fmt(dev, f);
1271 return 0;
1272 default:
1273 return -EINVAL;
1274 }
1275 }
1276
1277 static int cx8800_s_fmt(struct cx8800_dev *dev, struct cx8800_fh *fh,
1278 struct v4l2_format *f)
1279 {
1280 int err;
1281
1282 switch (f->type) {
1283 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
1284 err = cx8800_try_fmt(dev,fh,f);
1285 if (0 != err)
1286 return err;
1287
1288 fh->fmt = format_by_fourcc(f->fmt.pix.pixelformat);
1289 fh->width = f->fmt.pix.width;
1290 fh->height = f->fmt.pix.height;
1291 fh->vidq.field = f->fmt.pix.field;
1292 return 0;
1293 case V4L2_BUF_TYPE_VBI_CAPTURE:
1294 cx8800_vbi_fmt(dev, f);
1295 return 0;
1296 default:
1297 return -EINVAL;
1298 }
1299 }
1300
1301 /*
1302 * This function is _not_ called directly, but from
1303 * video_generic_ioctl (and maybe others). userspace
1304 * copying is done already, arg is a kernel pointer.
1305 */
1306 static int video_do_ioctl(struct inode *inode, struct file *file,
1307 unsigned int cmd, void *arg)
1308 {
1309 struct cx8800_fh *fh = file->private_data;
1310 struct cx8800_dev *dev = fh->dev;
1311 struct cx88_core *core = dev->core;
1312 #if 0
1313 unsigned long flags;
1314 #endif
1315 int err;
1316
1317 if (video_debug > 1)
1318 cx88_print_ioctl(core->name,cmd);
1319 switch (cmd) {
1320 case VIDIOC_QUERYCAP:
1321 {
1322 struct v4l2_capability *cap = arg;
1323
1324 memset(cap,0,sizeof(*cap));
1325 strcpy(cap->driver, "cx8800");
1326 strlcpy(cap->card, cx88_boards[core->board].name,
1327 sizeof(cap->card));
1328 sprintf(cap->bus_info,"PCI:%s",pci_name(dev->pci));
1329 cap->version = CX88_VERSION_CODE;
1330 cap->capabilities =
1331 V4L2_CAP_VIDEO_CAPTURE |
1332 V4L2_CAP_READWRITE |
1333 V4L2_CAP_STREAMING |
1334 V4L2_CAP_VBI_CAPTURE |
1335 #if 0
1336 V4L2_CAP_VIDEO_OVERLAY |
1337 #endif
1338 0;
1339 if (UNSET != core->tuner_type)
1340 cap->capabilities |= V4L2_CAP_TUNER;
1341
1342 return 0;
1343 }
1344
1345 /* ---------- tv norms ---------- */
1346 case VIDIOC_ENUMSTD:
1347 {
1348 struct v4l2_standard *e = arg;
1349 unsigned int i;
1350
1351 i = e->index;
1352 if (i >= ARRAY_SIZE(tvnorms))
1353 return -EINVAL;
1354 err = v4l2_video_std_construct(e, tvnorms[e->index].id,
1355 tvnorms[e->index].name);
1356 e->index = i;
1357 if (err < 0)
1358 return err;
1359 return 0;
1360 }
1361 case VIDIOC_G_STD:
1362 {
1363 v4l2_std_id *id = arg;
1364
1365 *id = core->tvnorm->id;
1366 return 0;
1367 }
1368 case VIDIOC_S_STD:
1369 {
1370 v4l2_std_id *id = arg;
1371 unsigned int i;
1372
1373 for(i = 0; i < ARRAY_SIZE(tvnorms); i++)
1374 if (*id & tvnorms[i].id)
1375 break;
1376 if (i == ARRAY_SIZE(tvnorms))
1377 return -EINVAL;
1378
1379 down(&dev->lock);
1380 cx88_set_tvnorm(dev->core,&tvnorms[i]);
1381 up(&dev->lock);
1382 return 0;
1383 }
1384
1385 /* ------ input switching ---------- */
1386 case VIDIOC_ENUMINPUT:
1387 {
1388 static const char *iname[] = {
1389 [ CX88_VMUX_COMPOSITE1 ] = "Composite1",
1390 [ CX88_VMUX_COMPOSITE2 ] = "Composite2",
1391 [ CX88_VMUX_COMPOSITE3 ] = "Composite3",
1392 [ CX88_VMUX_COMPOSITE4 ] = "Composite4",
1393 [ CX88_VMUX_SVIDEO ] = "S-Video",
1394 [ CX88_VMUX_TELEVISION ] = "Television",
1395 [ CX88_VMUX_CABLE ] = "Cable TV",
1396 [ CX88_VMUX_DVB ] = "DVB",
1397 [ CX88_VMUX_DEBUG ] = "for debug only",
1398 };
1399 struct v4l2_input *i = arg;
1400 unsigned int n;
1401
1402 n = i->index;
1403 if (n >= 4)
1404 return -EINVAL;
1405 if (0 == INPUT(n)->type)
1406 return -EINVAL;
1407 memset(i,0,sizeof(*i));
1408 i->index = n;
1409 i->type = V4L2_INPUT_TYPE_CAMERA;
1410 strcpy(i->name,iname[INPUT(n)->type]);
1411 if ((CX88_VMUX_TELEVISION == INPUT(n)->type) ||
1412 (CX88_VMUX_CABLE == INPUT(n)->type))
1413 i->type = V4L2_INPUT_TYPE_TUNER;
1414 for (n = 0; n < ARRAY_SIZE(tvnorms); n++)
1415 i->std |= tvnorms[n].id;
1416 return 0;
1417 }
1418 case VIDIOC_G_INPUT:
1419 {
1420 unsigned int *i = arg;
1421
1422 *i = dev->core->input;
1423 return 0;
1424 }
1425 case VIDIOC_S_INPUT:
1426 {
1427 unsigned int *i = arg;
1428
1429 if (*i >= 4)
1430 return -EINVAL;
1431 down(&dev->lock);
1432 video_mux(dev,*i);
1433 up(&dev->lock);
1434 return 0;
1435 }
1436
1437
1438 #if 0
1439 /* needs review */
1440 case VIDIOC_G_AUDIO:
1441 {
1442 struct v4l2_audio *a = arg;
1443 unsigned int n = a->index;
1444
1445 memset(a,0,sizeof(*a));
1446 a->index = n;
1447 switch (n) {
1448 case 0:
1449 if ((CX88_VMUX_TELEVISION == INPUT(n)->type)
1450 || (CX88_VMUX_CABLE == INPUT(n)->type)) {
1451 strcpy(a->name,"Television");
1452 // FIXME figure out if stereo received and set V4L2_AUDCAP_STEREO.
1453 return 0;
1454 }
1455 break;
1456 case 1:
1457 if (CX88_BOARD_DVICO_FUSIONHDTV_3_GOLD == core->board) {
1458 strcpy(a->name,"Line In");
1459 a->capability = V4L2_AUDCAP_STEREO;
1460 return 0;
1461 }
1462 break;
1463 }
1464 // Audio input not available.
1465 return -EINVAL;
1466 }
1467 #endif
1468
1469 /* --- capture ioctls ---------------------------------------- */
1470 case VIDIOC_ENUM_FMT:
1471 {
1472 struct v4l2_fmtdesc *f = arg;
1473 enum v4l2_buf_type type;
1474 unsigned int index;
1475
1476 index = f->index;
1477 type = f->type;
1478 switch (type) {
1479 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
1480 if (index >= ARRAY_SIZE(formats))
1481 return -EINVAL;
1482 memset(f,0,sizeof(*f));
1483 f->index = index;
1484 f->type = type;
1485 strlcpy(f->description,formats[index].name,sizeof(f->description));
1486 f->pixelformat = formats[index].fourcc;
1487 break;
1488 default:
1489 return -EINVAL;
1490 }
1491 return 0;
1492 }
1493 case VIDIOC_G_FMT:
1494 {
1495 struct v4l2_format *f = arg;
1496 return cx8800_g_fmt(dev,fh,f);
1497 }
1498 case VIDIOC_S_FMT:
1499 {
1500 struct v4l2_format *f = arg;
1501 return cx8800_s_fmt(dev,fh,f);
1502 }
1503 case VIDIOC_TRY_FMT:
1504 {
1505 struct v4l2_format *f = arg;
1506 return cx8800_try_fmt(dev,fh,f);
1507 }
1508
1509 /* --- controls ---------------------------------------------- */
1510 case VIDIOC_QUERYCTRL:
1511 {
1512 struct v4l2_queryctrl *c = arg;
1513 int i;
1514
1515 if (c->id < V4L2_CID_BASE ||
1516 c->id >= V4L2_CID_LASTP1)
1517 return -EINVAL;
1518 for (i = 0; i < CX8800_CTLS; i++)
1519 if (cx8800_ctls[i].v.id == c->id)
1520 break;
1521 if (i == CX8800_CTLS) {
1522 *c = no_ctl;
1523 return 0;
1524 }
1525 *c = cx8800_ctls[i].v;
1526 return 0;
1527 }
1528 case VIDIOC_G_CTRL:
1529 return get_control(dev,arg);
1530 case VIDIOC_S_CTRL:
1531 return set_control(dev,arg);
1532
1533 /* --- tuner ioctls ------------------------------------------ */
1534 case VIDIOC_G_TUNER:
1535 {
1536 struct v4l2_tuner *t = arg;
1537 u32 reg;
1538
1539 if (UNSET == core->tuner_type)
1540 return -EINVAL;
1541 if (0 != t->index)
1542 return -EINVAL;
1543
1544 memset(t,0,sizeof(*t));
1545 strcpy(t->name, "Television");
1546 t->type = V4L2_TUNER_ANALOG_TV;
1547 t->capability = V4L2_TUNER_CAP_NORM;
1548 t->rangehigh = 0xffffffffUL;
1549
1550 cx88_get_stereo(core ,t);
1551 reg = cx_read(MO_DEVICE_STATUS);
1552 t->signal = (reg & (1<<5)) ? 0xffff : 0x0000;
1553 return 0;
1554 }
1555 case VIDIOC_S_TUNER:
1556 {
1557 struct v4l2_tuner *t = arg;
1558
1559 if (UNSET == core->tuner_type)
1560 return -EINVAL;
1561 if (0 != t->index)
1562 return -EINVAL;
1563 cx88_set_stereo(core, t->audmode);
1564 return 0;
1565 }
1566 case VIDIOC_G_FREQUENCY:
1567 {
1568 struct v4l2_frequency *f = arg;
1569
1570 if (UNSET == core->tuner_type)
1571 return -EINVAL;
1572 if (f->tuner != 0)
1573 return -EINVAL;
1574 memset(f,0,sizeof(*f));
1575 f->type = fh->radio ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV;
1576 f->frequency = dev->freq;
1577 return 0;
1578 }
1579 case VIDIOC_S_FREQUENCY:
1580 {
1581 struct v4l2_frequency *f = arg;
1582
1583 if (UNSET == core->tuner_type)
1584 return -EINVAL;
1585 if (f->tuner != 0)
1586 return -EINVAL;
1587 if (0 == fh->radio && f->type != V4L2_TUNER_ANALOG_TV)
1588 return -EINVAL;
1589 if (1 == fh->radio && f->type != V4L2_TUNER_RADIO)
1590 return -EINVAL;
1591 down(&dev->lock);
1592 dev->freq = f->frequency;
1593 #ifdef V4L2_I2C_CLIENTS
1594 cx88_call_i2c_clients(dev->core,VIDIOC_S_FREQUENCY,f);
1595 #else
1596 cx88_call_i2c_clients(dev->core,VIDIOCSFREQ,&dev->freq);
1597 #endif
1598 up(&dev->lock);
1599 return 0;
1600 }
1601
1602 /* --- streaming capture ------------------------------------- */
1603 case VIDIOCGMBUF:
1604 {
1605 struct video_mbuf *mbuf = arg;
1606 struct videobuf_queue *q;
1607 struct v4l2_requestbuffers req;
1608 unsigned int i;
1609
1610 q = get_queue(fh);
1611 memset(&req,0,sizeof(req));
1612 req.type = q->type;
1613 req.count = 8;
1614 req.memory = V4L2_MEMORY_MMAP;
1615 err = videobuf_reqbufs(q,&req);
1616 if (err < 0)
1617 return err;
1618 memset(mbuf,0,sizeof(*mbuf));
1619 mbuf->frames = req.count;
1620 mbuf->size = 0;
1621 for (i = 0; i < mbuf->frames; i++) {
1622 mbuf->offsets[i] = q->bufs[i]->boff;
1623 mbuf->size += q->bufs[i]->bsize;
1624 }
1625 return 0;
1626 }
1627 case VIDIOC_REQBUFS:
1628 return videobuf_reqbufs(get_queue(fh), arg);
1629
1630 case VIDIOC_QUERYBUF:
1631 return videobuf_querybuf(get_queue(fh), arg);
1632
1633 case VIDIOC_QBUF:
1634 return videobuf_qbuf(get_queue(fh), arg);
1635
1636 case VIDIOC_DQBUF:
1637 return videobuf_dqbuf(get_queue(fh), arg,
1638 file->f_flags & O_NONBLOCK);
1639
1640 case VIDIOC_STREAMON:
1641 {
1642 int res = get_ressource(fh);
1643
1644 if (!res_get(dev,fh,res))
1645 return -EBUSY;
1646 return videobuf_streamon(get_queue(fh));
1647 }
1648 case VIDIOC_STREAMOFF:
1649 {
1650 int res = get_ressource(fh);
1651
1652 err = videobuf_streamoff(get_queue(fh));
1653 if (err < 0)
1654 return err;
1655 res_free(dev,fh,res);
1656 return 0;
1657 }
1658
1659 default:
1660 return v4l_compat_translate_ioctl(inode,file,cmd,arg,
1661 video_do_ioctl);
1662 }
1663 return 0;
1664 }
1665
1666 static int video_ioctl(struct inode *inode, struct file *file,
1667 unsigned int cmd, unsigned long arg)
1668 {
1669 return video_usercopy(inode, file, cmd, arg, video_do_ioctl);
1670 }
1671
1672 /* ----------------------------------------------------------- */
1673
1674 static int radio_do_ioctl(struct inode *inode, struct file *file,
1675 unsigned int cmd, void *arg)
1676 {
1677 struct cx8800_fh *fh = file->private_data;
1678 struct cx8800_dev *dev = fh->dev;
1679 struct cx88_core *core = dev->core;
1680
1681 if (video_debug > 1)
1682 cx88_print_ioctl(core->name,cmd);
1683
1684 switch (cmd) {
1685 case VIDIOC_QUERYCAP:
1686 {
1687 struct v4l2_capability *cap = arg;
1688
1689 memset(cap,0,sizeof(*cap));
1690 strcpy(cap->driver, "cx8800");
1691 strlcpy(cap->card, cx88_boards[core->board].name,
1692 sizeof(cap->card));
1693 sprintf(cap->bus_info,"PCI:%s", pci_name(dev->pci));
1694 cap->version = CX88_VERSION_CODE;
1695 cap->capabilities = V4L2_CAP_TUNER;
1696 return 0;
1697 }
1698 case VIDIOC_G_TUNER:
1699 {
1700 struct v4l2_tuner *t = arg;
1701
1702 if (t->index > 0)
1703 return -EINVAL;
1704
1705 memset(t,0,sizeof(*t));
1706 strcpy(t->name, "Radio");
1707 t->rangelow = (int)(65*16);
1708 t->rangehigh = (int)(108*16);
1709
1710 #ifdef V4L2_I2C_CLIENTS
1711 cx88_call_i2c_clients(dev->core,VIDIOC_G_TUNER,t);
1712 #else
1713 {
1714 struct video_tuner vt;
1715 memset(&vt,0,sizeof(vt));
1716 cx88_call_i2c_clients(dev,VIDIOCGTUNER,&vt);
1717 t->signal = vt.signal;
1718 }
1719 #endif
1720 return 0;
1721 }
1722 case VIDIOC_ENUMINPUT:
1723 {
1724 struct v4l2_input *i = arg;
1725
1726 if (i->index != 0)
1727 return -EINVAL;
1728 strcpy(i->name,"Radio");
1729 i->type = V4L2_INPUT_TYPE_TUNER;
1730 return 0;
1731 }
1732 case VIDIOC_G_INPUT:
1733 {
1734 int *i = arg;
1735 *i = 0;
1736 return 0;
1737 }
1738 case VIDIOC_G_AUDIO:
1739 {
1740 struct v4l2_audio *a = arg;
1741
1742 memset(a,0,sizeof(*a));
1743 strcpy(a->name,"Radio");
1744 return 0;
1745 }
1746 case VIDIOC_G_STD:
1747 {
1748 v4l2_std_id *id = arg;
1749 *id = 0;
1750 return 0;
1751 }
1752 case VIDIOC_S_AUDIO:
1753 case VIDIOC_S_TUNER:
1754 case VIDIOC_S_INPUT:
1755 case VIDIOC_S_STD:
1756 return 0;
1757
1758 case VIDIOC_QUERYCTRL:
1759 {
1760 struct v4l2_queryctrl *c = arg;
1761 int i;
1762
1763 if (c->id < V4L2_CID_BASE ||
1764 c->id >= V4L2_CID_LASTP1)
1765 return -EINVAL;
1766 if (c->id == V4L2_CID_AUDIO_MUTE) {
1767 for (i = 0; i < CX8800_CTLS; i++)
1768 if (cx8800_ctls[i].v.id == c->id)
1769 break;
1770 *c = cx8800_ctls[i].v;
1771 } else
1772 *c = no_ctl;
1773 return 0;
1774 }
1775
1776
1777 case VIDIOC_G_CTRL:
1778 case VIDIOC_S_CTRL:
1779 case VIDIOC_G_FREQUENCY:
1780 case VIDIOC_S_FREQUENCY:
1781 return video_do_ioctl(inode,file,cmd,arg);
1782
1783 default:
1784 return v4l_compat_translate_ioctl(inode,file,cmd,arg,
1785 radio_do_ioctl);
1786 }
1787 return 0;
1788 };
1789
1790 static int radio_ioctl(struct inode *inode, struct file *file,
1791 unsigned int cmd, unsigned long arg)
1792 {
1793 return video_usercopy(inode, file, cmd, arg, radio_do_ioctl);
1794 };
1795
1796 /* ----------------------------------------------------------- */
1797
1798 static void cx8800_vid_timeout(unsigned long data)
1799 {
1800 struct cx8800_dev *dev = (struct cx8800_dev*)data;
1801 struct cx88_core *core = dev->core;
1802 struct cx88_dmaqueue *q = &dev->vidq;
1803 struct cx88_buffer *buf;
1804 unsigned long flags;
1805
1806 cx88_sram_channel_dump(dev->core, &cx88_sram_channels[SRAM_CH21]);
1807
1808 cx_clear(MO_VID_DMACNTRL, 0x11);
1809 cx_clear(VID_CAPTURE_CONTROL, 0x06);
1810
1811 spin_lock_irqsave(&dev->slock,flags);
1812 while (!list_empty(&q->active)) {
1813 buf = list_entry(q->active.next, struct cx88_buffer, vb.queue);
1814 list_del(&buf->vb.queue);
1815 buf->vb.state = STATE_ERROR;
1816 wake_up(&buf->vb.done);
1817 printk("%s/0: [%p/%d] timeout - dma=0x%08lx\n", core->name,
1818 buf, buf->vb.i, (unsigned long)buf->risc.dma);
1819 }
1820 restart_video_queue(dev,q);
1821 spin_unlock_irqrestore(&dev->slock,flags);
1822 }
1823
1824 static void cx8800_vid_irq(struct cx8800_dev *dev)
1825 {
1826 struct cx88_core *core = dev->core;
1827 u32 status, mask, count;
1828
1829 status = cx_read(MO_VID_INTSTAT);
1830 mask = cx_read(MO_VID_INTMSK);
1831 if (0 == (status & mask))
1832 return;
1833 cx_write(MO_VID_INTSTAT, status);
1834 if (irq_debug || (status & mask & ~0xff))
1835 cx88_print_irqbits(core->name, "irq vid",
1836 cx88_vid_irqs, status, mask);
1837
1838 /* risc op code error */
1839 if (status & (1 << 16)) {
1840 printk(KERN_WARNING "%s/0: video risc op code error\n",core->name);
1841 cx_clear(MO_VID_DMACNTRL, 0x11);
1842 cx_clear(VID_CAPTURE_CONTROL, 0x06);
1843 cx88_sram_channel_dump(dev->core, &cx88_sram_channels[SRAM_CH21]);
1844 }
1845
1846 /* risc1 y */
1847 if (status & 0x01) {
1848 spin_lock(&dev->slock);
1849 count = cx_read(MO_VIDY_GPCNT);
1850 cx88_wakeup(dev->core, &dev->vidq, count);
1851 spin_unlock(&dev->slock);
1852 }
1853
1854 /* risc1 vbi */
1855 if (status & 0x08) {
1856 spin_lock(&dev->slock);
1857 count = cx_read(MO_VBI_GPCNT);
1858 cx88_wakeup(dev->core, &dev->vbiq, count);
1859 spin_unlock(&dev->slock);
1860 }
1861
1862 /* risc2 y */
1863 if (status & 0x10) {
1864 dprintk(2,"stopper video\n");
1865 spin_lock(&dev->slock);
1866 restart_video_queue(dev,&dev->vidq);
1867 spin_unlock(&dev->slock);
1868 }
1869
1870 /* risc2 vbi */
1871 if (status & 0x80) {
1872 dprintk(2,"stopper vbi\n");
1873 spin_lock(&dev->slock);
1874 cx8800_restart_vbi_queue(dev,&dev->vbiq);
1875 spin_unlock(&dev->slock);
1876 }
1877 }
1878
1879 static irqreturn_t cx8800_irq(int irq, void *dev_id, struct pt_regs *regs)
1880 {
1881 struct cx8800_dev *dev = dev_id;
1882 struct cx88_core *core = dev->core;
1883 u32 status, mask;
1884 int loop, handled = 0;
1885
1886 for (loop = 0; loop < 10; loop++) {
1887 status = cx_read(MO_PCI_INTSTAT) & (~0x1f | 0x01);
1888 mask = cx_read(MO_PCI_INTMSK);
1889 if (0 == (status & mask))
1890 goto out;
1891 cx_write(MO_PCI_INTSTAT, status);
1892 handled = 1;
1893
1894 if (status & mask & ~0x1f)
1895 cx88_irq(core,status,mask);
1896 if (status & 0x01)
1897 cx8800_vid_irq(dev);
1898 };
1899 if (10 == loop) {
1900 printk(KERN_WARNING "%s/0: irq loop -- clearing mask\n",
1901 core->name);
1902 cx_write(MO_PCI_INTMSK,0);
1903 }
1904
1905 out:
1906 return IRQ_RETVAL(handled);
1907 }
1908
1909 /* ----------------------------------------------------------- */
1910 /* exported stuff */
1911
1912 static struct file_operations video_fops =
1913 {
1914 .owner = THIS_MODULE,
1915 .open = video_open,
1916 .release = video_release,
1917 .read = video_read,
1918 .poll = video_poll,
1919 .mmap = video_mmap,
1920 .ioctl = video_ioctl,
1921 .llseek = no_llseek,
1922 };
1923
1924 struct video_device cx8800_video_template =
1925 {
1926 .name = "cx8800-video",
1927 .type = VID_TYPE_CAPTURE|VID_TYPE_TUNER|VID_TYPE_SCALES,
1928 .hardware = 0,
1929 .fops = &video_fops,
1930 .minor = -1,
1931 };
1932
1933 struct video_device cx8800_vbi_template =
1934 {
1935 .name = "cx8800-vbi",
1936 .type = VID_TYPE_TELETEXT|VID_TYPE_TUNER,
1937 .hardware = 0,
1938 .fops = &video_fops,
1939 .minor = -1,
1940 };
1941
1942 static struct file_operations radio_fops =
1943 {
1944 .owner = THIS_MODULE,
1945 .open = video_open,
1946 .release = video_release,
1947 .ioctl = radio_ioctl,
1948 .llseek = no_llseek,
1949 };
1950
1951 struct video_device cx8800_radio_template =
1952 {
1953 .name = "cx8800-radio",
1954 .type = VID_TYPE_TUNER,
1955 .hardware = 0,
1956 .fops = &radio_fops,
1957 .minor = -1,
1958 };
1959
1960 /* ----------------------------------------------------------- */
1961
1962 static void cx8800_unregister_video(struct cx8800_dev *dev)
1963 {
1964 if (dev->radio_dev) {
1965 if (-1 != dev->radio_dev->minor)
1966 video_unregister_device(dev->radio_dev);
1967 else
1968 video_device_release(dev->radio_dev);
1969 dev->radio_dev = NULL;
1970 }
1971 if (dev->vbi_dev) {
1972 if (-1 != dev->vbi_dev->minor)
1973 video_unregister_device(dev->vbi_dev);
1974 else
1975 video_device_release(dev->vbi_dev);
1976 dev->vbi_dev = NULL;
1977 }
1978 if (dev->video_dev) {
1979 if (-1 != dev->video_dev->minor)
1980 video_unregister_device(dev->video_dev);
1981 else
1982 video_device_release(dev->video_dev);
1983 dev->video_dev = NULL;
1984 }
1985 }
1986
1987 static int __devinit cx8800_initdev(struct pci_dev *pci_dev,
1988 const struct pci_device_id *pci_id)
1989 {
1990 struct cx8800_dev *dev;
1991 struct cx88_core *core;
1992 int err;
1993
1994 dev = kmalloc(sizeof(*dev),GFP_KERNEL);
1995 if (NULL == dev)
1996 return -ENOMEM;
1997 memset(dev,0,sizeof(*dev));
1998
1999 /* pci init */
2000 dev->pci = pci_dev;
2001 if (pci_enable_device(pci_dev)) {
2002 err = -EIO;
2003 goto fail_free;
2004 }
2005 core = cx88_core_get(dev->pci);
2006 if (NULL == core) {
2007 err = -EINVAL;
2008 goto fail_free;
2009 }
2010 dev->core = core;
2011
2012 /* print pci info */
2013 pci_read_config_byte(pci_dev, PCI_CLASS_REVISION, &dev->pci_rev);
2014 pci_read_config_byte(pci_dev, PCI_LATENCY_TIMER, &dev->pci_lat);
2015 printk(KERN_INFO "%s/0: found at %s, rev: %d, irq: %d, "
2016 "latency: %d, mmio: 0x%lx\n", core->name,
2017 pci_name(pci_dev), dev->pci_rev, pci_dev->irq,
2018 dev->pci_lat,pci_resource_start(pci_dev,0));
2019
2020 pci_set_master(pci_dev);
2021 if (!pci_dma_supported(pci_dev,0xffffffff)) {
2022 printk("%s/0: Oops: no 32bit PCI DMA ???\n",core->name);
2023 err = -EIO;
2024 goto fail_core;
2025 }
2026
2027 /* initialize driver struct */
2028 init_MUTEX(&dev->lock);
2029 spin_lock_init(&dev->slock);
2030 core->tvnorm = tvnorms;
2031
2032 /* init video dma queues */
2033 INIT_LIST_HEAD(&dev->vidq.active);
2034 INIT_LIST_HEAD(&dev->vidq.queued);
2035 dev->vidq.timeout.function = cx8800_vid_timeout;
2036 dev->vidq.timeout.data = (unsigned long)dev;
2037 init_timer(&dev->vidq.timeout);
2038 cx88_risc_stopper(dev->pci,&dev->vidq.stopper,
2039 MO_VID_DMACNTRL,0x11,0x00);
2040
2041 /* init vbi dma queues */
2042 INIT_LIST_HEAD(&dev->vbiq.active);
2043 INIT_LIST_HEAD(&dev->vbiq.queued);
2044 dev->vbiq.timeout.function = cx8800_vbi_timeout;
2045 dev->vbiq.timeout.data = (unsigned long)dev;
2046 init_timer(&dev->vbiq.timeout);
2047 cx88_risc_stopper(dev->pci,&dev->vbiq.stopper,
2048 MO_VID_DMACNTRL,0x88,0x00);
2049
2050 /* get irq */
2051 err = request_irq(pci_dev->irq, cx8800_irq,
2052 SA_SHIRQ | SA_INTERRUPT, core->name, dev);
2053 if (err < 0) {
2054 printk(KERN_ERR "%s: can't get IRQ %d\n",
2055 core->name,pci_dev->irq);
2056 goto fail_core;
2057 }
2058
2059 /* load and configure helper modules */
2060 if (TUNER_ABSENT != core->tuner_type)
2061 request_module("tuner");
2062 if (core->tda9887_conf)
2063 request_module("tda9887");
2064 if (core->tuner_type != UNSET)
2065 cx88_call_i2c_clients(dev->core,TUNER_SET_TYPE,&core->tuner_type);
2066 if (core->tda9887_conf)
2067 cx88_call_i2c_clients(dev->core,TDA9887_SET_CONFIG,&core->tda9887_conf);
2068
2069 /* register v4l devices */
2070 dev->video_dev = cx88_vdev_init(core,dev->pci,
2071 &cx8800_video_template,"video");
2072 err = video_register_device(dev->video_dev,VFL_TYPE_GRABBER,
2073 video_nr[core->nr]);
2074 if (err < 0) {
2075 printk(KERN_INFO "%s: can't register video device\n",
2076 core->name);
2077 goto fail_unreg;
2078 }
2079 printk(KERN_INFO "%s/0: registered device video%d [v4l2]\n",
2080 core->name,dev->video_dev->minor & 0x1f);
2081
2082 dev->vbi_dev = cx88_vdev_init(core,dev->pci,&cx8800_vbi_template,"vbi");
2083 err = video_register_device(dev->vbi_dev,VFL_TYPE_VBI,
2084 vbi_nr[core->nr]);
2085 if (err < 0) {
2086 printk(KERN_INFO "%s/0: can't register vbi device\n",
2087 core->name);
2088 goto fail_unreg;
2089 }
2090 printk(KERN_INFO "%s/0: registered device vbi%d\n",
2091 core->name,dev->vbi_dev->minor & 0x1f);
2092
2093 if (core->has_radio) {
2094 dev->radio_dev = cx88_vdev_init(core,dev->pci,
2095 &cx8800_radio_template,"radio");
2096 err = video_register_device(dev->radio_dev,VFL_TYPE_RADIO,
2097 radio_nr[core->nr]);
2098 if (err < 0) {
2099 printk(KERN_INFO "%s/0: can't register radio device\n",
2100 core->name);
2101 goto fail_unreg;
2102 }
2103 printk(KERN_INFO "%s/0: registered device radio%d\n",
2104 core->name,dev->radio_dev->minor & 0x1f);
2105 }
2106
2107 /* everything worked */
2108 list_add_tail(&dev->devlist,&cx8800_devlist);
2109 pci_set_drvdata(pci_dev,dev);
2110
2111 /* initial device configuration */
2112 down(&dev->lock);
2113 init_controls(dev);
2114 cx88_set_tvnorm(dev->core,tvnorms);
2115 video_mux(dev,0);
2116 up(&dev->lock);
2117
2118 /* start tvaudio thread */
2119 if (core->tuner_type != TUNER_ABSENT)
2120 core->kthread = kthread_run(cx88_audio_thread, core, "cx88 tvaudio");
2121 return 0;
2122
2123 fail_unreg:
2124 cx8800_unregister_video(dev);
2125 free_irq(pci_dev->irq, dev);
2126 fail_core:
2127 cx88_core_put(core,dev->pci);
2128 fail_free:
2129 kfree(dev);
2130 return err;
2131 }
2132
2133 static void __devexit cx8800_finidev(struct pci_dev *pci_dev)
2134 {
2135 struct cx8800_dev *dev = pci_get_drvdata(pci_dev);
2136
2137 /* stop thread */
2138 if (dev->core->kthread) {
2139 kthread_stop(dev->core->kthread);
2140 dev->core->kthread = NULL;
2141 }
2142
2143 cx88_shutdown(dev->core); /* FIXME */
2144 pci_disable_device(pci_dev);
2145
2146 /* unregister stuff */
2147
2148 free_irq(pci_dev->irq, dev);
2149 cx8800_unregister_video(dev);
2150 pci_set_drvdata(pci_dev, NULL);
2151
2152 /* free memory */
2153 btcx_riscmem_free(dev->pci,&dev->vidq.stopper);
2154 list_del(&dev->devlist);
2155 cx88_core_put(dev->core,dev->pci);
2156 kfree(dev);
2157 }
2158
2159 static int cx8800_suspend(struct pci_dev *pci_dev, u32 state)
2160 {
2161 struct cx8800_dev *dev = pci_get_drvdata(pci_dev);
2162 struct cx88_core *core = dev->core;
2163
2164 /* stop video+vbi capture */
2165 spin_lock(&dev->slock);
2166 if (!list_empty(&dev->vidq.active)) {
2167 printk("%s: suspend video\n", core->name);
2168 stop_video_dma(dev);
2169 del_timer(&dev->vidq.timeout);
2170 }
2171 if (!list_empty(&dev->vbiq.active)) {
2172 printk("%s: suspend vbi\n", core->name);
2173 cx8800_stop_vbi_dma(dev);
2174 del_timer(&dev->vbiq.timeout);
2175 }
2176 spin_unlock(&dev->slock);
2177
2178 #if 1
2179 /* FIXME -- shutdown device */
2180 cx88_shutdown(dev->core);
2181 #endif
2182
2183 pci_save_state(pci_dev);
2184 if (0 != pci_set_power_state(pci_dev, state)) {
2185 pci_disable_device(pci_dev);
2186 dev->state.disabled = 1;
2187 }
2188 return 0;
2189 }
2190
2191 static int cx8800_resume(struct pci_dev *pci_dev)
2192 {
2193 struct cx8800_dev *dev = pci_get_drvdata(pci_dev);
2194 struct cx88_core *core = dev->core;
2195
2196 if (dev->state.disabled) {
2197 pci_enable_device(pci_dev);
2198 dev->state.disabled = 0;
2199 }
2200 pci_set_power_state(pci_dev, 0);
2201 pci_restore_state(pci_dev);
2202
2203 #if 1
2204 /* FIXME: re-initialize hardware */
2205 cx88_reset(dev->core);
2206 #endif
2207
2208 /* restart video+vbi capture */
2209 spin_lock(&dev->slock);
2210 if (!list_empty(&dev->vidq.active)) {
2211 printk("%s: resume video\n", core->name);
2212 restart_video_queue(dev,&dev->vidq);
2213 }
2214 if (!list_empty(&dev->vbiq.active)) {
2215 printk("%s: resume vbi\n", core->name);
2216 cx8800_restart_vbi_queue(dev,&dev->vbiq);
2217 }
2218 spin_unlock(&dev->slock);
2219
2220 return 0;
2221 }
2222
2223 /* ----------------------------------------------------------- */
2224
2225 struct pci_device_id cx8800_pci_tbl[] = {
2226 {
2227 .vendor = 0x14f1,
2228 .device = 0x8800,
2229 .subvendor = PCI_ANY_ID,
2230 .subdevice = PCI_ANY_ID,
2231 },{
2232 /* --- end of list --- */
2233 }
2234 };
2235 MODULE_DEVICE_TABLE(pci, cx8800_pci_tbl);
2236
2237 static struct pci_driver cx8800_pci_driver = {
2238 .name = "cx8800",
2239 .id_table = cx8800_pci_tbl,
2240 .probe = cx8800_initdev,
2241 .remove = __devexit_p(cx8800_finidev),
2242
2243 .suspend = cx8800_suspend,
2244 .resume = cx8800_resume,
2245 };
2246
2247 static int cx8800_init(void)
2248 {
2249 printk(KERN_INFO "cx2388x v4l2 driver version %d.%d.%d loaded\n",
2250 (CX88_VERSION_CODE >> 16) & 0xff,
2251 (CX88_VERSION_CODE >> 8) & 0xff,
2252 CX88_VERSION_CODE & 0xff);
2253 #ifdef SNAPSHOT
2254 printk(KERN_INFO "cx2388x: snapshot date %04d-%02d-%02d\n",
2255 SNAPSHOT/10000, (SNAPSHOT/100)%100, SNAPSHOT%100);
2256 #endif
2257 return pci_module_init(&cx8800_pci_driver);
2258 }
2259
2260 static void cx8800_fini(void)
2261 {
2262 pci_unregister_driver(&cx8800_pci_driver);
2263 }
2264
2265 module_init(cx8800_init);
2266 module_exit(cx8800_fini);
2267
2268 /* ----------------------------------------------------------- */
2269 /*
2270 * Local variables:
2271 * c-basic-offset: 8
2272 * End:
2273 */
2274
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