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Linux-2.6.12-rc2
[GitHub/mt8127/android_kernel_alcatel_ttab.git] / drivers / media / video / cx88 / cx88-video.c
1 /*
2 * $Id: cx88-video.c,v 1.58 2005/03/07 15:58:05 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/moduleparam.h>
28 #include <linux/kmod.h>
29 #include <linux/kernel.h>
30 #include <linux/slab.h>
31 #include <linux/interrupt.h>
32 #include <linux/delay.h>
33 #include <linux/kthread.h>
34 #include <asm/div64.h>
35
36 #include "cx88.h"
37
38 MODULE_DESCRIPTION("v4l2 driver module for cx2388x based TV cards");
39 MODULE_AUTHOR("Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]");
40 MODULE_LICENSE("GPL");
41
42 /* ------------------------------------------------------------------ */
43
44 static unsigned int video_nr[] = {[0 ... (CX88_MAXBOARDS - 1)] = UNSET };
45 static unsigned int vbi_nr[] = {[0 ... (CX88_MAXBOARDS - 1)] = UNSET };
46 static unsigned int radio_nr[] = {[0 ... (CX88_MAXBOARDS - 1)] = UNSET };
47
48 module_param_array(video_nr, int, NULL, 0444);
49 module_param_array(vbi_nr, int, NULL, 0444);
50 module_param_array(radio_nr, int, NULL, 0444);
51
52 MODULE_PARM_DESC(video_nr,"video device numbers");
53 MODULE_PARM_DESC(vbi_nr,"vbi device numbers");
54 MODULE_PARM_DESC(radio_nr,"radio device numbers");
55
56 static unsigned int video_debug = 0;
57 module_param(video_debug,int,0644);
58 MODULE_PARM_DESC(video_debug,"enable debug messages [video]");
59
60 static unsigned int irq_debug = 0;
61 module_param(irq_debug,int,0644);
62 MODULE_PARM_DESC(irq_debug,"enable debug messages [IRQ handler]");
63
64 static unsigned int vid_limit = 16;
65 module_param(vid_limit,int,0644);
66 MODULE_PARM_DESC(vid_limit,"capture memory limit in megabytes");
67
68 #define dprintk(level,fmt, arg...) if (video_debug >= level) \
69 printk(KERN_DEBUG "%s/0: " fmt, dev->core->name , ## arg)
70
71 /* ------------------------------------------------------------------ */
72
73 static LIST_HEAD(cx8800_devlist);
74
75 /* ------------------------------------------------------------------- */
76 /* static data */
77
78 static struct cx88_tvnorm tvnorms[] = {
79 {
80 .name = "NTSC-M",
81 .id = V4L2_STD_NTSC_M,
82 .cxiformat = VideoFormatNTSC,
83 .cxoformat = 0x181f0008,
84 },{
85 .name = "NTSC-JP",
86 .id = V4L2_STD_NTSC_M_JP,
87 .cxiformat = VideoFormatNTSCJapan,
88 .cxoformat = 0x181f0008,
89 #if 0
90 },{
91 .name = "NTSC-4.43",
92 .id = FIXME,
93 .cxiformat = VideoFormatNTSC443,
94 .cxoformat = 0x181f0008,
95 #endif
96 },{
97 .name = "PAL-BG",
98 .id = V4L2_STD_PAL_BG,
99 .cxiformat = VideoFormatPAL,
100 .cxoformat = 0x181f0008,
101 },{
102 .name = "PAL-DK",
103 .id = V4L2_STD_PAL_DK,
104 .cxiformat = VideoFormatPAL,
105 .cxoformat = 0x181f0008,
106 },{
107 .name = "PAL-I",
108 .id = V4L2_STD_PAL_I,
109 .cxiformat = VideoFormatPAL,
110 .cxoformat = 0x181f0008,
111 },{
112 .name = "PAL-M",
113 .id = V4L2_STD_PAL_M,
114 .cxiformat = VideoFormatPALM,
115 .cxoformat = 0x1c1f0008,
116 },{
117 .name = "PAL-N",
118 .id = V4L2_STD_PAL_N,
119 .cxiformat = VideoFormatPALN,
120 .cxoformat = 0x1c1f0008,
121 },{
122 .name = "PAL-Nc",
123 .id = V4L2_STD_PAL_Nc,
124 .cxiformat = VideoFormatPALNC,
125 .cxoformat = 0x1c1f0008,
126 },{
127 .name = "PAL-60",
128 .id = V4L2_STD_PAL_60,
129 .cxiformat = VideoFormatPAL60,
130 .cxoformat = 0x181f0008,
131 },{
132 .name = "SECAM-L",
133 .id = V4L2_STD_SECAM_L,
134 .cxiformat = VideoFormatSECAM,
135 .cxoformat = 0x181f0008,
136 },{
137 .name = "SECAM-DK",
138 .id = V4L2_STD_SECAM_DK,
139 .cxiformat = VideoFormatSECAM,
140 .cxoformat = 0x181f0008,
141 }
142 };
143
144 static struct cx8800_fmt formats[] = {
145 {
146 .name = "8 bpp, gray",
147 .fourcc = V4L2_PIX_FMT_GREY,
148 .cxformat = ColorFormatY8,
149 .depth = 8,
150 .flags = FORMAT_FLAGS_PACKED,
151 },{
152 .name = "15 bpp RGB, le",
153 .fourcc = V4L2_PIX_FMT_RGB555,
154 .cxformat = ColorFormatRGB15,
155 .depth = 16,
156 .flags = FORMAT_FLAGS_PACKED,
157 },{
158 .name = "15 bpp RGB, be",
159 .fourcc = V4L2_PIX_FMT_RGB555X,
160 .cxformat = ColorFormatRGB15 | ColorFormatBSWAP,
161 .depth = 16,
162 .flags = FORMAT_FLAGS_PACKED,
163 },{
164 .name = "16 bpp RGB, le",
165 .fourcc = V4L2_PIX_FMT_RGB565,
166 .cxformat = ColorFormatRGB16,
167 .depth = 16,
168 .flags = FORMAT_FLAGS_PACKED,
169 },{
170 .name = "16 bpp RGB, be",
171 .fourcc = V4L2_PIX_FMT_RGB565X,
172 .cxformat = ColorFormatRGB16 | ColorFormatBSWAP,
173 .depth = 16,
174 .flags = FORMAT_FLAGS_PACKED,
175 },{
176 .name = "24 bpp RGB, le",
177 .fourcc = V4L2_PIX_FMT_BGR24,
178 .cxformat = ColorFormatRGB24,
179 .depth = 24,
180 .flags = FORMAT_FLAGS_PACKED,
181 },{
182 .name = "32 bpp RGB, le",
183 .fourcc = V4L2_PIX_FMT_BGR32,
184 .cxformat = ColorFormatRGB32,
185 .depth = 32,
186 .flags = FORMAT_FLAGS_PACKED,
187 },{
188 .name = "32 bpp RGB, be",
189 .fourcc = V4L2_PIX_FMT_RGB32,
190 .cxformat = ColorFormatRGB32 | ColorFormatBSWAP | ColorFormatWSWAP,
191 .depth = 32,
192 .flags = FORMAT_FLAGS_PACKED,
193 },{
194 .name = "4:2:2, packed, YUYV",
195 .fourcc = V4L2_PIX_FMT_YUYV,
196 .cxformat = ColorFormatYUY2,
197 .depth = 16,
198 .flags = FORMAT_FLAGS_PACKED,
199 },{
200 .name = "4:2:2, packed, UYVY",
201 .fourcc = V4L2_PIX_FMT_UYVY,
202 .cxformat = ColorFormatYUY2 | ColorFormatBSWAP,
203 .depth = 16,
204 .flags = FORMAT_FLAGS_PACKED,
205 },
206 };
207
208 static struct cx8800_fmt* format_by_fourcc(unsigned int fourcc)
209 {
210 unsigned int i;
211
212 for (i = 0; i < ARRAY_SIZE(formats); i++)
213 if (formats[i].fourcc == fourcc)
214 return formats+i;
215 return NULL;
216 }
217
218 /* ------------------------------------------------------------------- */
219
220 static const struct v4l2_queryctrl no_ctl = {
221 .name = "42",
222 .flags = V4L2_CTRL_FLAG_DISABLED,
223 };
224
225 static struct cx88_ctrl cx8800_ctls[] = {
226 /* --- video --- */
227 {
228 .v = {
229 .id = V4L2_CID_BRIGHTNESS,
230 .name = "Brightness",
231 .minimum = 0x00,
232 .maximum = 0xff,
233 .step = 1,
234 .default_value = 0,
235 .type = V4L2_CTRL_TYPE_INTEGER,
236 },
237 .off = 128,
238 .reg = MO_CONTR_BRIGHT,
239 .mask = 0x00ff,
240 .shift = 0,
241 },{
242 .v = {
243 .id = V4L2_CID_CONTRAST,
244 .name = "Contrast",
245 .minimum = 0,
246 .maximum = 0xff,
247 .step = 1,
248 .default_value = 0,
249 .type = V4L2_CTRL_TYPE_INTEGER,
250 },
251 .reg = MO_CONTR_BRIGHT,
252 .mask = 0xff00,
253 .shift = 8,
254 },{
255 .v = {
256 .id = V4L2_CID_HUE,
257 .name = "Hue",
258 .minimum = 0,
259 .maximum = 0xff,
260 .step = 1,
261 .default_value = 0,
262 .type = V4L2_CTRL_TYPE_INTEGER,
263 },
264 .off = 0,
265 .reg = MO_HUE,
266 .mask = 0x00ff,
267 .shift = 0,
268 },{
269 /* strictly, this only describes only U saturation.
270 * V saturation is handled specially through code.
271 */
272 .v = {
273 .id = V4L2_CID_SATURATION,
274 .name = "Saturation",
275 .minimum = 0,
276 .maximum = 0xff,
277 .step = 1,
278 .default_value = 0,
279 .type = V4L2_CTRL_TYPE_INTEGER,
280 },
281 .off = 0,
282 .reg = MO_UV_SATURATION,
283 .mask = 0x00ff,
284 .shift = 0,
285 },{
286 /* --- audio --- */
287 .v = {
288 .id = V4L2_CID_AUDIO_MUTE,
289 .name = "Mute",
290 .minimum = 0,
291 .maximum = 1,
292 .type = V4L2_CTRL_TYPE_BOOLEAN,
293 },
294 .reg = AUD_VOL_CTL,
295 .sreg = SHADOW_AUD_VOL_CTL,
296 .mask = (1 << 6),
297 .shift = 6,
298 },{
299 .v = {
300 .id = V4L2_CID_AUDIO_VOLUME,
301 .name = "Volume",
302 .minimum = 0,
303 .maximum = 0x3f,
304 .step = 1,
305 .default_value = 0,
306 .type = V4L2_CTRL_TYPE_INTEGER,
307 },
308 .reg = AUD_VOL_CTL,
309 .sreg = SHADOW_AUD_VOL_CTL,
310 .mask = 0x3f,
311 .shift = 0,
312 },{
313 .v = {
314 .id = V4L2_CID_AUDIO_BALANCE,
315 .name = "Balance",
316 .minimum = 0,
317 .maximum = 0x7f,
318 .step = 1,
319 .default_value = 0x40,
320 .type = V4L2_CTRL_TYPE_INTEGER,
321 },
322 .reg = AUD_BAL_CTL,
323 .sreg = SHADOW_AUD_BAL_CTL,
324 .mask = 0x7f,
325 .shift = 0,
326 }
327 };
328 const int CX8800_CTLS = ARRAY_SIZE(cx8800_ctls);
329
330 /* ------------------------------------------------------------------- */
331 /* resource management */
332
333 static int res_get(struct cx8800_dev *dev, struct cx8800_fh *fh, unsigned int bit)
334 {
335 if (fh->resources & bit)
336 /* have it already allocated */
337 return 1;
338
339 /* is it free? */
340 down(&dev->lock);
341 if (dev->resources & bit) {
342 /* no, someone else uses it */
343 up(&dev->lock);
344 return 0;
345 }
346 /* it's free, grab it */
347 fh->resources |= bit;
348 dev->resources |= bit;
349 dprintk(1,"res: get %d\n",bit);
350 up(&dev->lock);
351 return 1;
352 }
353
354 static
355 int res_check(struct cx8800_fh *fh, unsigned int bit)
356 {
357 return (fh->resources & bit);
358 }
359
360 static
361 int res_locked(struct cx8800_dev *dev, unsigned int bit)
362 {
363 return (dev->resources & bit);
364 }
365
366 static
367 void res_free(struct cx8800_dev *dev, struct cx8800_fh *fh, unsigned int bits)
368 {
369 if ((fh->resources & bits) != bits)
370 BUG();
371
372 down(&dev->lock);
373 fh->resources &= ~bits;
374 dev->resources &= ~bits;
375 dprintk(1,"res: put %d\n",bits);
376 up(&dev->lock);
377 }
378
379 /* ------------------------------------------------------------------ */
380
381 static int video_mux(struct cx8800_dev *dev, unsigned int input)
382 {
383 struct cx88_core *core = dev->core;
384
385 dprintk(1,"video_mux: %d [vmux=%d,gpio=0x%x,0x%x,0x%x,0x%x]\n",
386 input, INPUT(input)->vmux,
387 INPUT(input)->gpio0,INPUT(input)->gpio1,
388 INPUT(input)->gpio2,INPUT(input)->gpio3);
389 dev->core->input = input;
390 cx_andor(MO_INPUT_FORMAT, 0x03 << 14, INPUT(input)->vmux << 14);
391 cx_write(MO_GP3_IO, INPUT(input)->gpio3);
392 cx_write(MO_GP0_IO, INPUT(input)->gpio0);
393 cx_write(MO_GP1_IO, INPUT(input)->gpio1);
394 cx_write(MO_GP2_IO, INPUT(input)->gpio2);
395
396 switch (INPUT(input)->type) {
397 case CX88_VMUX_SVIDEO:
398 cx_set(MO_AFECFG_IO, 0x00000001);
399 cx_set(MO_INPUT_FORMAT, 0x00010010);
400 cx_set(MO_FILTER_EVEN, 0x00002020);
401 cx_set(MO_FILTER_ODD, 0x00002020);
402 break;
403 default:
404 cx_clear(MO_AFECFG_IO, 0x00000001);
405 cx_clear(MO_INPUT_FORMAT, 0x00010010);
406 cx_clear(MO_FILTER_EVEN, 0x00002020);
407 cx_clear(MO_FILTER_ODD, 0x00002020);
408 break;
409 }
410 return 0;
411 }
412
413 /* ------------------------------------------------------------------ */
414
415 static int start_video_dma(struct cx8800_dev *dev,
416 struct cx88_dmaqueue *q,
417 struct cx88_buffer *buf)
418 {
419 struct cx88_core *core = dev->core;
420
421 /* setup fifo + format */
422 cx88_sram_channel_setup(dev->core, &cx88_sram_channels[SRAM_CH21],
423 buf->bpl, buf->risc.dma);
424 cx88_set_scale(dev->core, buf->vb.width, buf->vb.height, buf->vb.field);
425 cx_write(MO_COLOR_CTRL, buf->fmt->cxformat | ColorFormatGamma);
426
427 /* reset counter */
428 cx_write(MO_VIDY_GPCNTRL,GP_COUNT_CONTROL_RESET);
429 q->count = 1;
430
431 /* enable irqs */
432 cx_set(MO_PCI_INTMSK, core->pci_irqmask | 0x01);
433 cx_set(MO_VID_INTMSK, 0x0f0011);
434
435 /* enable capture */
436 cx_set(VID_CAPTURE_CONTROL,0x06);
437
438 /* start dma */
439 cx_set(MO_DEV_CNTRL2, (1<<5));
440 cx_set(MO_VID_DMACNTRL, 0x11);
441
442 return 0;
443 }
444
445 static int stop_video_dma(struct cx8800_dev *dev)
446 {
447 struct cx88_core *core = dev->core;
448
449 /* stop dma */
450 cx_clear(MO_VID_DMACNTRL, 0x11);
451
452 /* disable capture */
453 cx_clear(VID_CAPTURE_CONTROL,0x06);
454
455 /* disable irqs */
456 cx_clear(MO_PCI_INTMSK, 0x000001);
457 cx_clear(MO_VID_INTMSK, 0x0f0011);
458 return 0;
459 }
460
461 static int restart_video_queue(struct cx8800_dev *dev,
462 struct cx88_dmaqueue *q)
463 {
464 struct cx88_buffer *buf, *prev;
465 struct list_head *item;
466
467 if (!list_empty(&q->active)) {
468 buf = list_entry(q->active.next, struct cx88_buffer, vb.queue);
469 dprintk(2,"restart_queue [%p/%d]: restart dma\n",
470 buf, buf->vb.i);
471 start_video_dma(dev, q, buf);
472 list_for_each(item,&q->active) {
473 buf = list_entry(item, struct cx88_buffer, vb.queue);
474 buf->count = q->count++;
475 }
476 mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT);
477 return 0;
478 }
479
480 prev = NULL;
481 for (;;) {
482 if (list_empty(&q->queued))
483 return 0;
484 buf = list_entry(q->queued.next, struct cx88_buffer, vb.queue);
485 if (NULL == prev) {
486 list_del(&buf->vb.queue);
487 list_add_tail(&buf->vb.queue,&q->active);
488 start_video_dma(dev, q, buf);
489 buf->vb.state = STATE_ACTIVE;
490 buf->count = q->count++;
491 mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT);
492 dprintk(2,"[%p/%d] restart_queue - first active\n",
493 buf,buf->vb.i);
494
495 } else if (prev->vb.width == buf->vb.width &&
496 prev->vb.height == buf->vb.height &&
497 prev->fmt == buf->fmt) {
498 list_del(&buf->vb.queue);
499 list_add_tail(&buf->vb.queue,&q->active);
500 buf->vb.state = STATE_ACTIVE;
501 buf->count = q->count++;
502 prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma);
503 dprintk(2,"[%p/%d] restart_queue - move to active\n",
504 buf,buf->vb.i);
505 } else {
506 return 0;
507 }
508 prev = buf;
509 }
510 }
511
512 /* ------------------------------------------------------------------ */
513
514 static int
515 buffer_setup(struct videobuf_queue *q, unsigned int *count, unsigned int *size)
516 {
517 struct cx8800_fh *fh = q->priv_data;
518
519 *size = fh->fmt->depth*fh->width*fh->height >> 3;
520 if (0 == *count)
521 *count = 32;
522 while (*size * *count > vid_limit * 1024 * 1024)
523 (*count)--;
524 return 0;
525 }
526
527 static int
528 buffer_prepare(struct videobuf_queue *q, struct videobuf_buffer *vb,
529 enum v4l2_field field)
530 {
531 struct cx8800_fh *fh = q->priv_data;
532 struct cx8800_dev *dev = fh->dev;
533 struct cx88_buffer *buf = container_of(vb,struct cx88_buffer,vb);
534 int rc, init_buffer = 0;
535
536 BUG_ON(NULL == fh->fmt);
537 if (fh->width < 48 || fh->width > norm_maxw(dev->core->tvnorm) ||
538 fh->height < 32 || fh->height > norm_maxh(dev->core->tvnorm))
539 return -EINVAL;
540 buf->vb.size = (fh->width * fh->height * fh->fmt->depth) >> 3;
541 if (0 != buf->vb.baddr && buf->vb.bsize < buf->vb.size)
542 return -EINVAL;
543
544 if (buf->fmt != fh->fmt ||
545 buf->vb.width != fh->width ||
546 buf->vb.height != fh->height ||
547 buf->vb.field != field) {
548 buf->fmt = fh->fmt;
549 buf->vb.width = fh->width;
550 buf->vb.height = fh->height;
551 buf->vb.field = field;
552 init_buffer = 1;
553 }
554
555 if (STATE_NEEDS_INIT == buf->vb.state) {
556 init_buffer = 1;
557 if (0 != (rc = videobuf_iolock(dev->pci,&buf->vb,NULL)))
558 goto fail;
559 }
560
561 if (init_buffer) {
562 buf->bpl = buf->vb.width * buf->fmt->depth >> 3;
563 switch (buf->vb.field) {
564 case V4L2_FIELD_TOP:
565 cx88_risc_buffer(dev->pci, &buf->risc,
566 buf->vb.dma.sglist, 0, UNSET,
567 buf->bpl, 0, buf->vb.height);
568 break;
569 case V4L2_FIELD_BOTTOM:
570 cx88_risc_buffer(dev->pci, &buf->risc,
571 buf->vb.dma.sglist, UNSET, 0,
572 buf->bpl, 0, buf->vb.height);
573 break;
574 case V4L2_FIELD_INTERLACED:
575 cx88_risc_buffer(dev->pci, &buf->risc,
576 buf->vb.dma.sglist, 0, buf->bpl,
577 buf->bpl, buf->bpl,
578 buf->vb.height >> 1);
579 break;
580 case V4L2_FIELD_SEQ_TB:
581 cx88_risc_buffer(dev->pci, &buf->risc,
582 buf->vb.dma.sglist,
583 0, buf->bpl * (buf->vb.height >> 1),
584 buf->bpl, 0,
585 buf->vb.height >> 1);
586 break;
587 case V4L2_FIELD_SEQ_BT:
588 cx88_risc_buffer(dev->pci, &buf->risc,
589 buf->vb.dma.sglist,
590 buf->bpl * (buf->vb.height >> 1), 0,
591 buf->bpl, 0,
592 buf->vb.height >> 1);
593 break;
594 default:
595 BUG();
596 }
597 }
598 dprintk(2,"[%p/%d] buffer_prepare - %dx%d %dbpp \"%s\" - dma=0x%08lx\n",
599 buf, buf->vb.i,
600 fh->width, fh->height, fh->fmt->depth, fh->fmt->name,
601 (unsigned long)buf->risc.dma);
602
603 buf->vb.state = STATE_PREPARED;
604 return 0;
605
606 fail:
607 cx88_free_buffer(dev->pci,buf);
608 return rc;
609 }
610
611 static void
612 buffer_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb)
613 {
614 struct cx88_buffer *buf = container_of(vb,struct cx88_buffer,vb);
615 struct cx88_buffer *prev;
616 struct cx8800_fh *fh = vq->priv_data;
617 struct cx8800_dev *dev = fh->dev;
618 struct cx88_dmaqueue *q = &dev->vidq;
619
620 /* add jump to stopper */
621 buf->risc.jmp[0] = cpu_to_le32(RISC_JUMP | RISC_IRQ1 | RISC_CNT_INC);
622 buf->risc.jmp[1] = cpu_to_le32(q->stopper.dma);
623
624 if (!list_empty(&q->queued)) {
625 list_add_tail(&buf->vb.queue,&q->queued);
626 buf->vb.state = STATE_QUEUED;
627 dprintk(2,"[%p/%d] buffer_queue - append to queued\n",
628 buf, buf->vb.i);
629
630 } else if (list_empty(&q->active)) {
631 list_add_tail(&buf->vb.queue,&q->active);
632 start_video_dma(dev, q, buf);
633 buf->vb.state = STATE_ACTIVE;
634 buf->count = q->count++;
635 mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT);
636 dprintk(2,"[%p/%d] buffer_queue - first active\n",
637 buf, buf->vb.i);
638
639 } else {
640 prev = list_entry(q->active.prev, struct cx88_buffer, vb.queue);
641 if (prev->vb.width == buf->vb.width &&
642 prev->vb.height == buf->vb.height &&
643 prev->fmt == buf->fmt) {
644 list_add_tail(&buf->vb.queue,&q->active);
645 buf->vb.state = STATE_ACTIVE;
646 buf->count = q->count++;
647 prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma);
648 dprintk(2,"[%p/%d] buffer_queue - append to active\n",
649 buf, buf->vb.i);
650
651 } else {
652 list_add_tail(&buf->vb.queue,&q->queued);
653 buf->vb.state = STATE_QUEUED;
654 dprintk(2,"[%p/%d] buffer_queue - first queued\n",
655 buf, buf->vb.i);
656 }
657 }
658 }
659
660 static void buffer_release(struct videobuf_queue *q, struct videobuf_buffer *vb)
661 {
662 struct cx88_buffer *buf = container_of(vb,struct cx88_buffer,vb);
663 struct cx8800_fh *fh = q->priv_data;
664
665 cx88_free_buffer(fh->dev->pci,buf);
666 }
667
668 struct videobuf_queue_ops cx8800_video_qops = {
669 .buf_setup = buffer_setup,
670 .buf_prepare = buffer_prepare,
671 .buf_queue = buffer_queue,
672 .buf_release = buffer_release,
673 };
674
675 /* ------------------------------------------------------------------ */
676
677 #if 0 /* overlay support not finished yet */
678 static u32* ov_risc_field(struct cx8800_dev *dev, struct cx8800_fh *fh,
679 u32 *rp, struct btcx_skiplist *skips,
680 u32 sync_line, int skip_even, int skip_odd)
681 {
682 int line,maxy,start,end,skip,nskips;
683 u32 ri,ra;
684 u32 addr;
685
686 /* sync instruction */
687 *(rp++) = cpu_to_le32(RISC_RESYNC | sync_line);
688
689 addr = (unsigned long)dev->fbuf.base;
690 addr += dev->fbuf.fmt.bytesperline * fh->win.w.top;
691 addr += (fh->fmt->depth >> 3) * fh->win.w.left;
692
693 /* scan lines */
694 for (maxy = -1, line = 0; line < fh->win.w.height;
695 line++, addr += dev->fbuf.fmt.bytesperline) {
696 if ((line%2) == 0 && skip_even)
697 continue;
698 if ((line%2) == 1 && skip_odd)
699 continue;
700
701 /* calculate clipping */
702 if (line > maxy)
703 btcx_calc_skips(line, fh->win.w.width, &maxy,
704 skips, &nskips, fh->clips, fh->nclips);
705
706 /* write out risc code */
707 for (start = 0, skip = 0; start < fh->win.w.width; start = end) {
708 if (skip >= nskips) {
709 ri = RISC_WRITE;
710 end = fh->win.w.width;
711 } else if (start < skips[skip].start) {
712 ri = RISC_WRITE;
713 end = skips[skip].start;
714 } else {
715 ri = RISC_SKIP;
716 end = skips[skip].end;
717 skip++;
718 }
719 if (RISC_WRITE == ri)
720 ra = addr + (fh->fmt->depth>>3)*start;
721 else
722 ra = 0;
723
724 if (0 == start)
725 ri |= RISC_SOL;
726 if (fh->win.w.width == end)
727 ri |= RISC_EOL;
728 ri |= (fh->fmt->depth>>3) * (end-start);
729
730 *(rp++)=cpu_to_le32(ri);
731 if (0 != ra)
732 *(rp++)=cpu_to_le32(ra);
733 }
734 }
735 kfree(skips);
736 return rp;
737 }
738
739 static int ov_risc_frame(struct cx8800_dev *dev, struct cx8800_fh *fh,
740 struct cx88_buffer *buf)
741 {
742 struct btcx_skiplist *skips;
743 u32 instructions,fields;
744 u32 *rp;
745 int rc;
746
747 /* skip list for window clipping */
748 if (NULL == (skips = kmalloc(sizeof(*skips) * fh->nclips,GFP_KERNEL)))
749 return -ENOMEM;
750
751 fields = 0;
752 if (V4L2_FIELD_HAS_TOP(fh->win.field))
753 fields++;
754 if (V4L2_FIELD_HAS_BOTTOM(fh->win.field))
755 fields++;
756
757 /* estimate risc mem: worst case is (clip+1) * lines instructions
758 + syncs + jump (all 2 dwords) */
759 instructions = (fh->nclips+1) * fh->win.w.height;
760 instructions += 3 + 4;
761 if ((rc = btcx_riscmem_alloc(dev->pci,&buf->risc,instructions*8)) < 0) {
762 kfree(skips);
763 return rc;
764 }
765
766 /* write risc instructions */
767 rp = buf->risc.cpu;
768 switch (fh->win.field) {
769 case V4L2_FIELD_TOP:
770 rp = ov_risc_field(dev, fh, rp, skips, 0, 0, 0);
771 break;
772 case V4L2_FIELD_BOTTOM:
773 rp = ov_risc_field(dev, fh, rp, skips, 0x200, 0, 0);
774 break;
775 case V4L2_FIELD_INTERLACED:
776 rp = ov_risc_field(dev, fh, rp, skips, 0, 0, 1);
777 rp = ov_risc_field(dev, fh, rp, skips, 0x200, 1, 0);
778 break;
779 default:
780 BUG();
781 }
782
783 /* save pointer to jmp instruction address */
784 buf->risc.jmp = rp;
785 kfree(skips);
786 return 0;
787 }
788
789 static int verify_window(struct cx8800_dev *dev, struct v4l2_window *win)
790 {
791 enum v4l2_field field;
792 int maxw, maxh;
793
794 if (NULL == dev->fbuf.base)
795 return -EINVAL;
796 if (win->w.width < 48 || win->w.height < 32)
797 return -EINVAL;
798 if (win->clipcount > 2048)
799 return -EINVAL;
800
801 field = win->field;
802 maxw = norm_maxw(core->tvnorm);
803 maxh = norm_maxh(core->tvnorm);
804
805 if (V4L2_FIELD_ANY == field) {
806 field = (win->w.height > maxh/2)
807 ? V4L2_FIELD_INTERLACED
808 : V4L2_FIELD_TOP;
809 }
810 switch (field) {
811 case V4L2_FIELD_TOP:
812 case V4L2_FIELD_BOTTOM:
813 maxh = maxh / 2;
814 break;
815 case V4L2_FIELD_INTERLACED:
816 break;
817 default:
818 return -EINVAL;
819 }
820
821 win->field = field;
822 if (win->w.width > maxw)
823 win->w.width = maxw;
824 if (win->w.height > maxh)
825 win->w.height = maxh;
826 return 0;
827 }
828
829 static int setup_window(struct cx8800_dev *dev, struct cx8800_fh *fh,
830 struct v4l2_window *win)
831 {
832 struct v4l2_clip *clips = NULL;
833 int n,size,retval = 0;
834
835 if (NULL == fh->fmt)
836 return -EINVAL;
837 retval = verify_window(dev,win);
838 if (0 != retval)
839 return retval;
840
841 /* copy clips -- luckily v4l1 + v4l2 are binary
842 compatible here ...*/
843 n = win->clipcount;
844 size = sizeof(*clips)*(n+4);
845 clips = kmalloc(size,GFP_KERNEL);
846 if (NULL == clips)
847 return -ENOMEM;
848 if (n > 0) {
849 if (copy_from_user(clips,win->clips,sizeof(struct v4l2_clip)*n)) {
850 kfree(clips);
851 return -EFAULT;
852 }
853 }
854
855 /* clip against screen */
856 if (NULL != dev->fbuf.base)
857 n = btcx_screen_clips(dev->fbuf.fmt.width, dev->fbuf.fmt.height,
858 &win->w, clips, n);
859 btcx_sort_clips(clips,n);
860
861 /* 4-byte alignments */
862 switch (fh->fmt->depth) {
863 case 8:
864 case 24:
865 btcx_align(&win->w, clips, n, 3);
866 break;
867 case 16:
868 btcx_align(&win->w, clips, n, 1);
869 break;
870 case 32:
871 /* no alignment fixups needed */
872 break;
873 default:
874 BUG();
875 }
876
877 down(&fh->vidq.lock);
878 if (fh->clips)
879 kfree(fh->clips);
880 fh->clips = clips;
881 fh->nclips = n;
882 fh->win = *win;
883 #if 0
884 fh->ov.setup_ok = 1;
885 #endif
886
887 /* update overlay if needed */
888 retval = 0;
889 #if 0
890 if (check_btres(fh, RESOURCE_OVERLAY)) {
891 struct bttv_buffer *new;
892
893 new = videobuf_alloc(sizeof(*new));
894 bttv_overlay_risc(btv, &fh->ov, fh->ovfmt, new);
895 retval = bttv_switch_overlay(btv,fh,new);
896 }
897 #endif
898 up(&fh->vidq.lock);
899 return retval;
900 }
901 #endif
902
903 /* ------------------------------------------------------------------ */
904
905 static struct videobuf_queue* get_queue(struct cx8800_fh *fh)
906 {
907 switch (fh->type) {
908 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
909 return &fh->vidq;
910 case V4L2_BUF_TYPE_VBI_CAPTURE:
911 return &fh->vbiq;
912 default:
913 BUG();
914 return NULL;
915 }
916 }
917
918 static int get_ressource(struct cx8800_fh *fh)
919 {
920 switch (fh->type) {
921 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
922 return RESOURCE_VIDEO;
923 case V4L2_BUF_TYPE_VBI_CAPTURE:
924 return RESOURCE_VBI;
925 default:
926 BUG();
927 return 0;
928 }
929 }
930
931 static int video_open(struct inode *inode, struct file *file)
932 {
933 int minor = iminor(inode);
934 struct cx8800_dev *h,*dev = NULL;
935 struct cx8800_fh *fh;
936 struct list_head *list;
937 enum v4l2_buf_type type = 0;
938 int radio = 0;
939
940 list_for_each(list,&cx8800_devlist) {
941 h = list_entry(list, struct cx8800_dev, devlist);
942 if (h->video_dev->minor == minor) {
943 dev = h;
944 type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
945 }
946 if (h->vbi_dev->minor == minor) {
947 dev = h;
948 type = V4L2_BUF_TYPE_VBI_CAPTURE;
949 }
950 if (h->radio_dev &&
951 h->radio_dev->minor == minor) {
952 radio = 1;
953 dev = h;
954 }
955 }
956 if (NULL == dev)
957 return -ENODEV;
958
959 dprintk(1,"open minor=%d radio=%d type=%s\n",
960 minor,radio,v4l2_type_names[type]);
961
962 /* allocate + initialize per filehandle data */
963 fh = kmalloc(sizeof(*fh),GFP_KERNEL);
964 if (NULL == fh)
965 return -ENOMEM;
966 memset(fh,0,sizeof(*fh));
967 file->private_data = fh;
968 fh->dev = dev;
969 fh->radio = radio;
970 fh->type = type;
971 fh->width = 320;
972 fh->height = 240;
973 fh->fmt = format_by_fourcc(V4L2_PIX_FMT_BGR24);
974
975 videobuf_queue_init(&fh->vidq, &cx8800_video_qops,
976 dev->pci, &dev->slock,
977 V4L2_BUF_TYPE_VIDEO_CAPTURE,
978 V4L2_FIELD_INTERLACED,
979 sizeof(struct cx88_buffer),
980 fh);
981 videobuf_queue_init(&fh->vbiq, &cx8800_vbi_qops,
982 dev->pci, &dev->slock,
983 V4L2_BUF_TYPE_VBI_CAPTURE,
984 V4L2_FIELD_SEQ_TB,
985 sizeof(struct cx88_buffer),
986 fh);
987
988 if (fh->radio) {
989 struct cx88_core *core = dev->core;
990 int board = core->board;
991 dprintk(1,"video_open: setting radio device\n");
992 cx_write(MO_GP0_IO, cx88_boards[board].radio.gpio0);
993 cx_write(MO_GP1_IO, cx88_boards[board].radio.gpio1);
994 cx_write(MO_GP2_IO, cx88_boards[board].radio.gpio2);
995 cx_write(MO_GP3_IO, cx88_boards[board].radio.gpio3);
996 dev->core->tvaudio = WW_FM;
997 cx88_set_tvaudio(core);
998 cx88_set_stereo(core,V4L2_TUNER_MODE_STEREO,1);
999 cx88_call_i2c_clients(dev->core,AUDC_SET_RADIO,NULL);
1000 }
1001
1002 return 0;
1003 }
1004
1005 static ssize_t
1006 video_read(struct file *file, char *data, size_t count, loff_t *ppos)
1007 {
1008 struct cx8800_fh *fh = file->private_data;
1009
1010 switch (fh->type) {
1011 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
1012 if (res_locked(fh->dev,RESOURCE_VIDEO))
1013 return -EBUSY;
1014 return videobuf_read_one(&fh->vidq, data, count, ppos,
1015 file->f_flags & O_NONBLOCK);
1016 case V4L2_BUF_TYPE_VBI_CAPTURE:
1017 if (!res_get(fh->dev,fh,RESOURCE_VBI))
1018 return -EBUSY;
1019 return videobuf_read_stream(&fh->vbiq, data, count, ppos, 1,
1020 file->f_flags & O_NONBLOCK);
1021 default:
1022 BUG();
1023 return 0;
1024 }
1025 }
1026
1027 static unsigned int
1028 video_poll(struct file *file, struct poll_table_struct *wait)
1029 {
1030 struct cx8800_fh *fh = file->private_data;
1031 struct cx88_buffer *buf;
1032
1033 if (V4L2_BUF_TYPE_VBI_CAPTURE == fh->type) {
1034 if (!res_get(fh->dev,fh,RESOURCE_VBI))
1035 return POLLERR;
1036 return videobuf_poll_stream(file, &fh->vbiq, wait);
1037 }
1038
1039 if (res_check(fh,RESOURCE_VIDEO)) {
1040 /* streaming capture */
1041 if (list_empty(&fh->vidq.stream))
1042 return POLLERR;
1043 buf = list_entry(fh->vidq.stream.next,struct cx88_buffer,vb.stream);
1044 } else {
1045 /* read() capture */
1046 buf = (struct cx88_buffer*)fh->vidq.read_buf;
1047 if (NULL == buf)
1048 return POLLERR;
1049 }
1050 poll_wait(file, &buf->vb.done, wait);
1051 if (buf->vb.state == STATE_DONE ||
1052 buf->vb.state == STATE_ERROR)
1053 return POLLIN|POLLRDNORM;
1054 return 0;
1055 }
1056
1057 static int video_release(struct inode *inode, struct file *file)
1058 {
1059 struct cx8800_fh *fh = file->private_data;
1060 struct cx8800_dev *dev = fh->dev;
1061
1062 /* turn off overlay */
1063 if (res_check(fh, RESOURCE_OVERLAY)) {
1064 /* FIXME */
1065 res_free(dev,fh,RESOURCE_OVERLAY);
1066 }
1067
1068 /* stop video capture */
1069 if (res_check(fh, RESOURCE_VIDEO)) {
1070 videobuf_queue_cancel(&fh->vidq);
1071 res_free(dev,fh,RESOURCE_VIDEO);
1072 }
1073 if (fh->vidq.read_buf) {
1074 buffer_release(&fh->vidq,fh->vidq.read_buf);
1075 kfree(fh->vidq.read_buf);
1076 }
1077
1078 /* stop vbi capture */
1079 if (res_check(fh, RESOURCE_VBI)) {
1080 if (fh->vbiq.streaming)
1081 videobuf_streamoff(&fh->vbiq);
1082 if (fh->vbiq.reading)
1083 videobuf_read_stop(&fh->vbiq);
1084 res_free(dev,fh,RESOURCE_VBI);
1085 }
1086
1087 videobuf_mmap_free(&fh->vidq);
1088 videobuf_mmap_free(&fh->vbiq);
1089 file->private_data = NULL;
1090 kfree(fh);
1091 return 0;
1092 }
1093
1094 static int
1095 video_mmap(struct file *file, struct vm_area_struct * vma)
1096 {
1097 struct cx8800_fh *fh = file->private_data;
1098
1099 return videobuf_mmap_mapper(get_queue(fh), vma);
1100 }
1101
1102 /* ------------------------------------------------------------------ */
1103
1104 static int get_control(struct cx8800_dev *dev, struct v4l2_control *ctl)
1105 {
1106 struct cx88_core *core = dev->core;
1107 struct cx88_ctrl *c = NULL;
1108 u32 value;
1109 int i;
1110
1111 for (i = 0; i < CX8800_CTLS; i++)
1112 if (cx8800_ctls[i].v.id == ctl->id)
1113 c = &cx8800_ctls[i];
1114 if (NULL == c)
1115 return -EINVAL;
1116
1117 value = c->sreg ? cx_sread(c->sreg) : cx_read(c->reg);
1118 switch (ctl->id) {
1119 case V4L2_CID_AUDIO_BALANCE:
1120 ctl->value = (value & 0x40) ? (value & 0x3f) : (0x40 - (value & 0x3f));
1121 break;
1122 case V4L2_CID_AUDIO_VOLUME:
1123 ctl->value = 0x3f - (value & 0x3f);
1124 break;
1125 default:
1126 ctl->value = ((value + (c->off << c->shift)) & c->mask) >> c->shift;
1127 break;
1128 }
1129 return 0;
1130 }
1131
1132 static int set_control(struct cx8800_dev *dev, struct v4l2_control *ctl)
1133 {
1134 struct cx88_core *core = dev->core;
1135 struct cx88_ctrl *c = NULL;
1136 u32 v_sat_value;
1137 u32 value;
1138 int i;
1139
1140 for (i = 0; i < CX8800_CTLS; i++)
1141 if (cx8800_ctls[i].v.id == ctl->id)
1142 c = &cx8800_ctls[i];
1143 if (NULL == c)
1144 return -EINVAL;
1145
1146 if (ctl->value < c->v.minimum)
1147 return -ERANGE;
1148 if (ctl->value > c->v.maximum)
1149 return -ERANGE;
1150 switch (ctl->id) {
1151 case V4L2_CID_AUDIO_BALANCE:
1152 value = (ctl->value < 0x40) ? (0x40 - ctl->value) : ctl->value;
1153 break;
1154 case V4L2_CID_AUDIO_VOLUME:
1155 value = 0x3f - (ctl->value & 0x3f);
1156 break;
1157 case V4L2_CID_SATURATION:
1158 /* special v_sat handling */
1159 v_sat_value = ctl->value - (0x7f - 0x5a);
1160 if (v_sat_value > 0xff)
1161 v_sat_value = 0xff;
1162 if (v_sat_value < 0x00)
1163 v_sat_value = 0x00;
1164 cx_andor(MO_UV_SATURATION, 0xff00, v_sat_value << 8);
1165 /* fall through to default route for u_sat */
1166 default:
1167 value = ((ctl->value - c->off) << c->shift) & c->mask;
1168 break;
1169 }
1170 dprintk(1,"set_control id=0x%X reg=0x%x val=0x%x%s\n",
1171 ctl->id, c->reg, value, c->sreg ? " [shadowed]" : "");
1172 if (c->sreg) {
1173 cx_sandor(c->sreg, c->reg, c->mask, value);
1174 } else {
1175 cx_andor(c->reg, c->mask, value);
1176 }
1177 return 0;
1178 }
1179
1180 static void init_controls(struct cx8800_dev *dev)
1181 {
1182 static struct v4l2_control mute = {
1183 .id = V4L2_CID_AUDIO_MUTE,
1184 .value = 1,
1185 };
1186 static struct v4l2_control volume = {
1187 .id = V4L2_CID_AUDIO_VOLUME,
1188 .value = 0x3f,
1189 };
1190
1191 set_control(dev,&mute);
1192 set_control(dev,&volume);
1193 }
1194
1195 /* ------------------------------------------------------------------ */
1196
1197 static int cx8800_g_fmt(struct cx8800_dev *dev, struct cx8800_fh *fh,
1198 struct v4l2_format *f)
1199 {
1200 switch (f->type) {
1201 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
1202 memset(&f->fmt.pix,0,sizeof(f->fmt.pix));
1203 f->fmt.pix.width = fh->width;
1204 f->fmt.pix.height = fh->height;
1205 f->fmt.pix.field = fh->vidq.field;
1206 f->fmt.pix.pixelformat = fh->fmt->fourcc;
1207 f->fmt.pix.bytesperline =
1208 (f->fmt.pix.width * fh->fmt->depth) >> 3;
1209 f->fmt.pix.sizeimage =
1210 f->fmt.pix.height * f->fmt.pix.bytesperline;
1211 return 0;
1212 case V4L2_BUF_TYPE_VBI_CAPTURE:
1213 cx8800_vbi_fmt(dev, f);
1214 return 0;
1215 default:
1216 return -EINVAL;
1217 }
1218 }
1219
1220 static int cx8800_try_fmt(struct cx8800_dev *dev, struct cx8800_fh *fh,
1221 struct v4l2_format *f)
1222 {
1223 switch (f->type) {
1224 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
1225 {
1226 struct cx8800_fmt *fmt;
1227 enum v4l2_field field;
1228 unsigned int maxw, maxh;
1229
1230 fmt = format_by_fourcc(f->fmt.pix.pixelformat);
1231 if (NULL == fmt)
1232 return -EINVAL;
1233
1234 field = f->fmt.pix.field;
1235 maxw = norm_maxw(dev->core->tvnorm);
1236 maxh = norm_maxh(dev->core->tvnorm);
1237
1238 if (V4L2_FIELD_ANY == field) {
1239 field = (f->fmt.pix.height > maxh/2)
1240 ? V4L2_FIELD_INTERLACED
1241 : V4L2_FIELD_BOTTOM;
1242 }
1243
1244 switch (field) {
1245 case V4L2_FIELD_TOP:
1246 case V4L2_FIELD_BOTTOM:
1247 maxh = maxh / 2;
1248 break;
1249 case V4L2_FIELD_INTERLACED:
1250 break;
1251 default:
1252 return -EINVAL;
1253 }
1254
1255 f->fmt.pix.field = field;
1256 if (f->fmt.pix.height < 32)
1257 f->fmt.pix.height = 32;
1258 if (f->fmt.pix.height > maxh)
1259 f->fmt.pix.height = maxh;
1260 if (f->fmt.pix.width < 48)
1261 f->fmt.pix.width = 48;
1262 if (f->fmt.pix.width > maxw)
1263 f->fmt.pix.width = maxw;
1264 f->fmt.pix.width &= ~0x03;
1265 f->fmt.pix.bytesperline =
1266 (f->fmt.pix.width * fmt->depth) >> 3;
1267 f->fmt.pix.sizeimage =
1268 f->fmt.pix.height * f->fmt.pix.bytesperline;
1269
1270 return 0;
1271 }
1272 case V4L2_BUF_TYPE_VBI_CAPTURE:
1273 cx8800_vbi_fmt(dev, f);
1274 return 0;
1275 default:
1276 return -EINVAL;
1277 }
1278 }
1279
1280 static int cx8800_s_fmt(struct cx8800_dev *dev, struct cx8800_fh *fh,
1281 struct v4l2_format *f)
1282 {
1283 int err;
1284
1285 switch (f->type) {
1286 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
1287 err = cx8800_try_fmt(dev,fh,f);
1288 if (0 != err)
1289 return err;
1290
1291 fh->fmt = format_by_fourcc(f->fmt.pix.pixelformat);
1292 fh->width = f->fmt.pix.width;
1293 fh->height = f->fmt.pix.height;
1294 fh->vidq.field = f->fmt.pix.field;
1295 return 0;
1296 case V4L2_BUF_TYPE_VBI_CAPTURE:
1297 cx8800_vbi_fmt(dev, f);
1298 return 0;
1299 default:
1300 return -EINVAL;
1301 }
1302 }
1303
1304 /*
1305 * This function is _not_ called directly, but from
1306 * video_generic_ioctl (and maybe others). userspace
1307 * copying is done already, arg is a kernel pointer.
1308 */
1309 static int video_do_ioctl(struct inode *inode, struct file *file,
1310 unsigned int cmd, void *arg)
1311 {
1312 struct cx8800_fh *fh = file->private_data;
1313 struct cx8800_dev *dev = fh->dev;
1314 struct cx88_core *core = dev->core;
1315 #if 0
1316 unsigned long flags;
1317 #endif
1318 int err;
1319
1320 if (video_debug > 1)
1321 cx88_print_ioctl(core->name,cmd);
1322 switch (cmd) {
1323 case VIDIOC_QUERYCAP:
1324 {
1325 struct v4l2_capability *cap = arg;
1326
1327 memset(cap,0,sizeof(*cap));
1328 strcpy(cap->driver, "cx8800");
1329 strlcpy(cap->card, cx88_boards[core->board].name,
1330 sizeof(cap->card));
1331 sprintf(cap->bus_info,"PCI:%s",pci_name(dev->pci));
1332 cap->version = CX88_VERSION_CODE;
1333 cap->capabilities =
1334 V4L2_CAP_VIDEO_CAPTURE |
1335 V4L2_CAP_READWRITE |
1336 V4L2_CAP_STREAMING |
1337 V4L2_CAP_VBI_CAPTURE |
1338 #if 0
1339 V4L2_CAP_VIDEO_OVERLAY |
1340 #endif
1341 0;
1342 if (UNSET != core->tuner_type)
1343 cap->capabilities |= V4L2_CAP_TUNER;
1344 return 0;
1345 }
1346
1347 /* ---------- tv norms ---------- */
1348 case VIDIOC_ENUMSTD:
1349 {
1350 struct v4l2_standard *e = arg;
1351 unsigned int i;
1352
1353 i = e->index;
1354 if (i >= ARRAY_SIZE(tvnorms))
1355 return -EINVAL;
1356 err = v4l2_video_std_construct(e, tvnorms[e->index].id,
1357 tvnorms[e->index].name);
1358 e->index = i;
1359 if (err < 0)
1360 return err;
1361 return 0;
1362 }
1363 case VIDIOC_G_STD:
1364 {
1365 v4l2_std_id *id = arg;
1366
1367 *id = core->tvnorm->id;
1368 return 0;
1369 }
1370 case VIDIOC_S_STD:
1371 {
1372 v4l2_std_id *id = arg;
1373 unsigned int i;
1374
1375 for(i = 0; i < ARRAY_SIZE(tvnorms); i++)
1376 if (*id & tvnorms[i].id)
1377 break;
1378 if (i == ARRAY_SIZE(tvnorms))
1379 return -EINVAL;
1380
1381 down(&dev->lock);
1382 cx88_set_tvnorm(dev->core,&tvnorms[i]);
1383 up(&dev->lock);
1384 return 0;
1385 }
1386
1387 /* ------ input switching ---------- */
1388 case VIDIOC_ENUMINPUT:
1389 {
1390 static const char *iname[] = {
1391 [ CX88_VMUX_COMPOSITE1 ] = "Composite1",
1392 [ CX88_VMUX_COMPOSITE2 ] = "Composite2",
1393 [ CX88_VMUX_COMPOSITE3 ] = "Composite3",
1394 [ CX88_VMUX_COMPOSITE4 ] = "Composite4",
1395 [ CX88_VMUX_SVIDEO ] = "S-Video",
1396 [ CX88_VMUX_TELEVISION ] = "Television",
1397 [ CX88_VMUX_CABLE ] = "Cable TV",
1398 [ CX88_VMUX_DVB ] = "DVB",
1399 [ CX88_VMUX_DEBUG ] = "for debug only",
1400 };
1401 struct v4l2_input *i = arg;
1402 unsigned int n;
1403
1404 n = i->index;
1405 if (n >= 4)
1406 return -EINVAL;
1407 if (0 == INPUT(n)->type)
1408 return -EINVAL;
1409 memset(i,0,sizeof(*i));
1410 i->index = n;
1411 i->type = V4L2_INPUT_TYPE_CAMERA;
1412 strcpy(i->name,iname[INPUT(n)->type]);
1413 if ((CX88_VMUX_TELEVISION == INPUT(n)->type) ||
1414 (CX88_VMUX_CABLE == INPUT(n)->type))
1415 i->type = V4L2_INPUT_TYPE_TUNER;
1416 for (n = 0; n < ARRAY_SIZE(tvnorms); n++)
1417 i->std |= tvnorms[n].id;
1418 return 0;
1419 }
1420 case VIDIOC_G_INPUT:
1421 {
1422 unsigned int *i = arg;
1423
1424 *i = dev->core->input;
1425 return 0;
1426 }
1427 case VIDIOC_S_INPUT:
1428 {
1429 unsigned int *i = arg;
1430
1431 if (*i >= 4)
1432 return -EINVAL;
1433 down(&dev->lock);
1434 cx88_newstation(core);
1435 video_mux(dev,*i);
1436 up(&dev->lock);
1437 return 0;
1438 }
1439
1440
1441 #if 0
1442 /* needs review */
1443 case VIDIOC_G_AUDIO:
1444 {
1445 struct v4l2_audio *a = arg;
1446 unsigned int n = a->index;
1447
1448 memset(a,0,sizeof(*a));
1449 a->index = n;
1450 switch (n) {
1451 case 0:
1452 if ((CX88_VMUX_TELEVISION == INPUT(n)->type)
1453 || (CX88_VMUX_CABLE == INPUT(n)->type)) {
1454 strcpy(a->name,"Television");
1455 // FIXME figure out if stereo received and set V4L2_AUDCAP_STEREO.
1456 return 0;
1457 }
1458 break;
1459 case 1:
1460 if (CX88_BOARD_DVICO_FUSIONHDTV_3_GOLD == core->board) {
1461 strcpy(a->name,"Line In");
1462 a->capability = V4L2_AUDCAP_STEREO;
1463 return 0;
1464 }
1465 break;
1466 }
1467 // Audio input not available.
1468 return -EINVAL;
1469 }
1470 #endif
1471
1472 /* --- capture ioctls ---------------------------------------- */
1473 case VIDIOC_ENUM_FMT:
1474 {
1475 struct v4l2_fmtdesc *f = arg;
1476 enum v4l2_buf_type type;
1477 unsigned int index;
1478
1479 index = f->index;
1480 type = f->type;
1481 switch (type) {
1482 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
1483 if (index >= ARRAY_SIZE(formats))
1484 return -EINVAL;
1485 memset(f,0,sizeof(*f));
1486 f->index = index;
1487 f->type = type;
1488 strlcpy(f->description,formats[index].name,sizeof(f->description));
1489 f->pixelformat = formats[index].fourcc;
1490 break;
1491 default:
1492 return -EINVAL;
1493 }
1494 return 0;
1495 }
1496 case VIDIOC_G_FMT:
1497 {
1498 struct v4l2_format *f = arg;
1499 return cx8800_g_fmt(dev,fh,f);
1500 }
1501 case VIDIOC_S_FMT:
1502 {
1503 struct v4l2_format *f = arg;
1504 return cx8800_s_fmt(dev,fh,f);
1505 }
1506 case VIDIOC_TRY_FMT:
1507 {
1508 struct v4l2_format *f = arg;
1509 return cx8800_try_fmt(dev,fh,f);
1510 }
1511
1512 /* --- controls ---------------------------------------------- */
1513 case VIDIOC_QUERYCTRL:
1514 {
1515 struct v4l2_queryctrl *c = arg;
1516 int i;
1517
1518 if (c->id < V4L2_CID_BASE ||
1519 c->id >= V4L2_CID_LASTP1)
1520 return -EINVAL;
1521 for (i = 0; i < CX8800_CTLS; i++)
1522 if (cx8800_ctls[i].v.id == c->id)
1523 break;
1524 if (i == CX8800_CTLS) {
1525 *c = no_ctl;
1526 return 0;
1527 }
1528 *c = cx8800_ctls[i].v;
1529 return 0;
1530 }
1531 case VIDIOC_G_CTRL:
1532 return get_control(dev,arg);
1533 case VIDIOC_S_CTRL:
1534 return set_control(dev,arg);
1535
1536 /* --- tuner ioctls ------------------------------------------ */
1537 case VIDIOC_G_TUNER:
1538 {
1539 struct v4l2_tuner *t = arg;
1540 u32 reg;
1541
1542 if (UNSET == core->tuner_type)
1543 return -EINVAL;
1544 if (0 != t->index)
1545 return -EINVAL;
1546
1547 memset(t,0,sizeof(*t));
1548 strcpy(t->name, "Television");
1549 t->type = V4L2_TUNER_ANALOG_TV;
1550 t->capability = V4L2_TUNER_CAP_NORM;
1551 t->rangehigh = 0xffffffffUL;
1552
1553 cx88_get_stereo(core ,t);
1554 reg = cx_read(MO_DEVICE_STATUS);
1555 t->signal = (reg & (1<<5)) ? 0xffff : 0x0000;
1556 return 0;
1557 }
1558 case VIDIOC_S_TUNER:
1559 {
1560 struct v4l2_tuner *t = arg;
1561
1562 if (UNSET == core->tuner_type)
1563 return -EINVAL;
1564 if (0 != t->index)
1565 return -EINVAL;
1566 cx88_set_stereo(core, t->audmode, 1);
1567 return 0;
1568 }
1569 case VIDIOC_G_FREQUENCY:
1570 {
1571 struct v4l2_frequency *f = arg;
1572
1573 if (UNSET == core->tuner_type)
1574 return -EINVAL;
1575 if (f->tuner != 0)
1576 return -EINVAL;
1577 memset(f,0,sizeof(*f));
1578 f->type = fh->radio ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV;
1579 f->frequency = dev->freq;
1580 return 0;
1581 }
1582 case VIDIOC_S_FREQUENCY:
1583 {
1584 struct v4l2_frequency *f = arg;
1585
1586 if (UNSET == core->tuner_type)
1587 return -EINVAL;
1588 if (f->tuner != 0)
1589 return -EINVAL;
1590 if (0 == fh->radio && f->type != V4L2_TUNER_ANALOG_TV)
1591 return -EINVAL;
1592 if (1 == fh->radio && f->type != V4L2_TUNER_RADIO)
1593 return -EINVAL;
1594 down(&dev->lock);
1595 dev->freq = f->frequency;
1596 cx88_newstation(core);
1597 #ifdef V4L2_I2C_CLIENTS
1598 cx88_call_i2c_clients(dev->core,VIDIOC_S_FREQUENCY,f);
1599 #else
1600 cx88_call_i2c_clients(dev->core,VIDIOCSFREQ,&dev->freq);
1601 #endif
1602 up(&dev->lock);
1603 return 0;
1604 }
1605
1606 /* --- streaming capture ------------------------------------- */
1607 case VIDIOCGMBUF:
1608 {
1609 struct video_mbuf *mbuf = arg;
1610 struct videobuf_queue *q;
1611 struct v4l2_requestbuffers req;
1612 unsigned int i;
1613
1614 q = get_queue(fh);
1615 memset(&req,0,sizeof(req));
1616 req.type = q->type;
1617 req.count = 8;
1618 req.memory = V4L2_MEMORY_MMAP;
1619 err = videobuf_reqbufs(q,&req);
1620 if (err < 0)
1621 return err;
1622 memset(mbuf,0,sizeof(*mbuf));
1623 mbuf->frames = req.count;
1624 mbuf->size = 0;
1625 for (i = 0; i < mbuf->frames; i++) {
1626 mbuf->offsets[i] = q->bufs[i]->boff;
1627 mbuf->size += q->bufs[i]->bsize;
1628 }
1629 return 0;
1630 }
1631 case VIDIOC_REQBUFS:
1632 return videobuf_reqbufs(get_queue(fh), arg);
1633
1634 case VIDIOC_QUERYBUF:
1635 return videobuf_querybuf(get_queue(fh), arg);
1636
1637 case VIDIOC_QBUF:
1638 return videobuf_qbuf(get_queue(fh), arg);
1639
1640 case VIDIOC_DQBUF:
1641 return videobuf_dqbuf(get_queue(fh), arg,
1642 file->f_flags & O_NONBLOCK);
1643
1644 case VIDIOC_STREAMON:
1645 {
1646 int res = get_ressource(fh);
1647
1648 if (!res_get(dev,fh,res))
1649 return -EBUSY;
1650 return videobuf_streamon(get_queue(fh));
1651 }
1652 case VIDIOC_STREAMOFF:
1653 {
1654 int res = get_ressource(fh);
1655
1656 err = videobuf_streamoff(get_queue(fh));
1657 if (err < 0)
1658 return err;
1659 res_free(dev,fh,res);
1660 return 0;
1661 }
1662
1663 default:
1664 return v4l_compat_translate_ioctl(inode,file,cmd,arg,
1665 video_do_ioctl);
1666 }
1667 return 0;
1668 }
1669
1670 static int video_ioctl(struct inode *inode, struct file *file,
1671 unsigned int cmd, unsigned long arg)
1672 {
1673 return video_usercopy(inode, file, cmd, arg, video_do_ioctl);
1674 }
1675
1676 /* ----------------------------------------------------------- */
1677
1678 static int radio_do_ioctl(struct inode *inode, struct file *file,
1679 unsigned int cmd, void *arg)
1680 {
1681 struct cx8800_fh *fh = file->private_data;
1682 struct cx8800_dev *dev = fh->dev;
1683 struct cx88_core *core = dev->core;
1684
1685 if (video_debug > 1)
1686 cx88_print_ioctl(core->name,cmd);
1687
1688 switch (cmd) {
1689 case VIDIOC_QUERYCAP:
1690 {
1691 struct v4l2_capability *cap = arg;
1692
1693 memset(cap,0,sizeof(*cap));
1694 strcpy(cap->driver, "cx8800");
1695 strlcpy(cap->card, cx88_boards[core->board].name,
1696 sizeof(cap->card));
1697 sprintf(cap->bus_info,"PCI:%s", pci_name(dev->pci));
1698 cap->version = CX88_VERSION_CODE;
1699 cap->capabilities = V4L2_CAP_TUNER;
1700 return 0;
1701 }
1702 case VIDIOC_G_TUNER:
1703 {
1704 struct v4l2_tuner *t = arg;
1705
1706 if (t->index > 0)
1707 return -EINVAL;
1708
1709 memset(t,0,sizeof(*t));
1710 strcpy(t->name, "Radio");
1711 t->rangelow = (int)(65*16);
1712 t->rangehigh = (int)(108*16);
1713
1714 #ifdef V4L2_I2C_CLIENTS
1715 cx88_call_i2c_clients(dev->core,VIDIOC_G_TUNER,t);
1716 #else
1717 {
1718 struct video_tuner vt;
1719 memset(&vt,0,sizeof(vt));
1720 cx88_call_i2c_clients(dev,VIDIOCGTUNER,&vt);
1721 t->signal = vt.signal;
1722 }
1723 #endif
1724 return 0;
1725 }
1726 case VIDIOC_ENUMINPUT:
1727 {
1728 struct v4l2_input *i = arg;
1729
1730 if (i->index != 0)
1731 return -EINVAL;
1732 strcpy(i->name,"Radio");
1733 i->type = V4L2_INPUT_TYPE_TUNER;
1734 return 0;
1735 }
1736 case VIDIOC_G_INPUT:
1737 {
1738 int *i = arg;
1739 *i = 0;
1740 return 0;
1741 }
1742 case VIDIOC_G_AUDIO:
1743 {
1744 struct v4l2_audio *a = arg;
1745
1746 memset(a,0,sizeof(*a));
1747 strcpy(a->name,"Radio");
1748 return 0;
1749 }
1750 case VIDIOC_G_STD:
1751 {
1752 v4l2_std_id *id = arg;
1753 *id = 0;
1754 return 0;
1755 }
1756 case VIDIOC_S_AUDIO:
1757 case VIDIOC_S_TUNER:
1758 case VIDIOC_S_INPUT:
1759 case VIDIOC_S_STD:
1760 return 0;
1761
1762 case VIDIOC_QUERYCTRL:
1763 {
1764 struct v4l2_queryctrl *c = arg;
1765 int i;
1766
1767 if (c->id < V4L2_CID_BASE ||
1768 c->id >= V4L2_CID_LASTP1)
1769 return -EINVAL;
1770 if (c->id == V4L2_CID_AUDIO_MUTE) {
1771 for (i = 0; i < CX8800_CTLS; i++)
1772 if (cx8800_ctls[i].v.id == c->id)
1773 break;
1774 *c = cx8800_ctls[i].v;
1775 } else
1776 *c = no_ctl;
1777 return 0;
1778 }
1779
1780
1781 case VIDIOC_G_CTRL:
1782 case VIDIOC_S_CTRL:
1783 case VIDIOC_G_FREQUENCY:
1784 case VIDIOC_S_FREQUENCY:
1785 return video_do_ioctl(inode,file,cmd,arg);
1786
1787 default:
1788 return v4l_compat_translate_ioctl(inode,file,cmd,arg,
1789 radio_do_ioctl);
1790 }
1791 return 0;
1792 };
1793
1794 static int radio_ioctl(struct inode *inode, struct file *file,
1795 unsigned int cmd, unsigned long arg)
1796 {
1797 return video_usercopy(inode, file, cmd, arg, radio_do_ioctl);
1798 };
1799
1800 /* ----------------------------------------------------------- */
1801
1802 static void cx8800_vid_timeout(unsigned long data)
1803 {
1804 struct cx8800_dev *dev = (struct cx8800_dev*)data;
1805 struct cx88_core *core = dev->core;
1806 struct cx88_dmaqueue *q = &dev->vidq;
1807 struct cx88_buffer *buf;
1808 unsigned long flags;
1809
1810 cx88_sram_channel_dump(dev->core, &cx88_sram_channels[SRAM_CH21]);
1811
1812 cx_clear(MO_VID_DMACNTRL, 0x11);
1813 cx_clear(VID_CAPTURE_CONTROL, 0x06);
1814
1815 spin_lock_irqsave(&dev->slock,flags);
1816 while (!list_empty(&q->active)) {
1817 buf = list_entry(q->active.next, struct cx88_buffer, vb.queue);
1818 list_del(&buf->vb.queue);
1819 buf->vb.state = STATE_ERROR;
1820 wake_up(&buf->vb.done);
1821 printk("%s/0: [%p/%d] timeout - dma=0x%08lx\n", core->name,
1822 buf, buf->vb.i, (unsigned long)buf->risc.dma);
1823 }
1824 restart_video_queue(dev,q);
1825 spin_unlock_irqrestore(&dev->slock,flags);
1826 }
1827
1828 static void cx8800_vid_irq(struct cx8800_dev *dev)
1829 {
1830 struct cx88_core *core = dev->core;
1831 u32 status, mask, count;
1832
1833 status = cx_read(MO_VID_INTSTAT);
1834 mask = cx_read(MO_VID_INTMSK);
1835 if (0 == (status & mask))
1836 return;
1837 cx_write(MO_VID_INTSTAT, status);
1838 if (irq_debug || (status & mask & ~0xff))
1839 cx88_print_irqbits(core->name, "irq vid",
1840 cx88_vid_irqs, status, mask);
1841
1842 /* risc op code error */
1843 if (status & (1 << 16)) {
1844 printk(KERN_WARNING "%s/0: video risc op code error\n",core->name);
1845 cx_clear(MO_VID_DMACNTRL, 0x11);
1846 cx_clear(VID_CAPTURE_CONTROL, 0x06);
1847 cx88_sram_channel_dump(dev->core, &cx88_sram_channels[SRAM_CH21]);
1848 }
1849
1850 /* risc1 y */
1851 if (status & 0x01) {
1852 spin_lock(&dev->slock);
1853 count = cx_read(MO_VIDY_GPCNT);
1854 cx88_wakeup(dev->core, &dev->vidq, count);
1855 spin_unlock(&dev->slock);
1856 }
1857
1858 /* risc1 vbi */
1859 if (status & 0x08) {
1860 spin_lock(&dev->slock);
1861 count = cx_read(MO_VBI_GPCNT);
1862 cx88_wakeup(dev->core, &dev->vbiq, count);
1863 spin_unlock(&dev->slock);
1864 }
1865
1866 /* risc2 y */
1867 if (status & 0x10) {
1868 dprintk(2,"stopper video\n");
1869 spin_lock(&dev->slock);
1870 restart_video_queue(dev,&dev->vidq);
1871 spin_unlock(&dev->slock);
1872 }
1873
1874 /* risc2 vbi */
1875 if (status & 0x80) {
1876 dprintk(2,"stopper vbi\n");
1877 spin_lock(&dev->slock);
1878 cx8800_restart_vbi_queue(dev,&dev->vbiq);
1879 spin_unlock(&dev->slock);
1880 }
1881 }
1882
1883 static irqreturn_t cx8800_irq(int irq, void *dev_id, struct pt_regs *regs)
1884 {
1885 struct cx8800_dev *dev = dev_id;
1886 struct cx88_core *core = dev->core;
1887 u32 status;
1888 int loop, handled = 0;
1889
1890 for (loop = 0; loop < 10; loop++) {
1891 status = cx_read(MO_PCI_INTSTAT) & (core->pci_irqmask | 0x01);
1892 if (0 == status)
1893 goto out;
1894 cx_write(MO_PCI_INTSTAT, status);
1895 handled = 1;
1896
1897 if (status & core->pci_irqmask)
1898 cx88_core_irq(core,status);
1899 if (status & 0x01)
1900 cx8800_vid_irq(dev);
1901 };
1902 if (10 == loop) {
1903 printk(KERN_WARNING "%s/0: irq loop -- clearing mask\n",
1904 core->name);
1905 cx_write(MO_PCI_INTMSK,0);
1906 }
1907
1908 out:
1909 return IRQ_RETVAL(handled);
1910 }
1911
1912 /* ----------------------------------------------------------- */
1913 /* exported stuff */
1914
1915 static struct file_operations video_fops =
1916 {
1917 .owner = THIS_MODULE,
1918 .open = video_open,
1919 .release = video_release,
1920 .read = video_read,
1921 .poll = video_poll,
1922 .mmap = video_mmap,
1923 .ioctl = video_ioctl,
1924 .llseek = no_llseek,
1925 };
1926
1927 struct video_device cx8800_video_template =
1928 {
1929 .name = "cx8800-video",
1930 .type = VID_TYPE_CAPTURE|VID_TYPE_TUNER|VID_TYPE_SCALES,
1931 .hardware = 0,
1932 .fops = &video_fops,
1933 .minor = -1,
1934 };
1935
1936 struct video_device cx8800_vbi_template =
1937 {
1938 .name = "cx8800-vbi",
1939 .type = VID_TYPE_TELETEXT|VID_TYPE_TUNER,
1940 .hardware = 0,
1941 .fops = &video_fops,
1942 .minor = -1,
1943 };
1944
1945 static struct file_operations radio_fops =
1946 {
1947 .owner = THIS_MODULE,
1948 .open = video_open,
1949 .release = video_release,
1950 .ioctl = radio_ioctl,
1951 .llseek = no_llseek,
1952 };
1953
1954 struct video_device cx8800_radio_template =
1955 {
1956 .name = "cx8800-radio",
1957 .type = VID_TYPE_TUNER,
1958 .hardware = 0,
1959 .fops = &radio_fops,
1960 .minor = -1,
1961 };
1962
1963 /* ----------------------------------------------------------- */
1964
1965 static void cx8800_unregister_video(struct cx8800_dev *dev)
1966 {
1967 if (dev->radio_dev) {
1968 if (-1 != dev->radio_dev->minor)
1969 video_unregister_device(dev->radio_dev);
1970 else
1971 video_device_release(dev->radio_dev);
1972 dev->radio_dev = NULL;
1973 }
1974 if (dev->vbi_dev) {
1975 if (-1 != dev->vbi_dev->minor)
1976 video_unregister_device(dev->vbi_dev);
1977 else
1978 video_device_release(dev->vbi_dev);
1979 dev->vbi_dev = NULL;
1980 }
1981 if (dev->video_dev) {
1982 if (-1 != dev->video_dev->minor)
1983 video_unregister_device(dev->video_dev);
1984 else
1985 video_device_release(dev->video_dev);
1986 dev->video_dev = NULL;
1987 }
1988 }
1989
1990 static int __devinit cx8800_initdev(struct pci_dev *pci_dev,
1991 const struct pci_device_id *pci_id)
1992 {
1993 struct cx8800_dev *dev;
1994 struct cx88_core *core;
1995 int err;
1996
1997 dev = kmalloc(sizeof(*dev),GFP_KERNEL);
1998 if (NULL == dev)
1999 return -ENOMEM;
2000 memset(dev,0,sizeof(*dev));
2001
2002 /* pci init */
2003 dev->pci = pci_dev;
2004 if (pci_enable_device(pci_dev)) {
2005 err = -EIO;
2006 goto fail_free;
2007 }
2008 core = cx88_core_get(dev->pci);
2009 if (NULL == core) {
2010 err = -EINVAL;
2011 goto fail_free;
2012 }
2013 dev->core = core;
2014
2015 /* print pci info */
2016 pci_read_config_byte(pci_dev, PCI_CLASS_REVISION, &dev->pci_rev);
2017 pci_read_config_byte(pci_dev, PCI_LATENCY_TIMER, &dev->pci_lat);
2018 printk(KERN_INFO "%s/0: found at %s, rev: %d, irq: %d, "
2019 "latency: %d, mmio: 0x%lx\n", core->name,
2020 pci_name(pci_dev), dev->pci_rev, pci_dev->irq,
2021 dev->pci_lat,pci_resource_start(pci_dev,0));
2022
2023 pci_set_master(pci_dev);
2024 if (!pci_dma_supported(pci_dev,0xffffffff)) {
2025 printk("%s/0: Oops: no 32bit PCI DMA ???\n",core->name);
2026 err = -EIO;
2027 goto fail_core;
2028 }
2029
2030 /* initialize driver struct */
2031 init_MUTEX(&dev->lock);
2032 spin_lock_init(&dev->slock);
2033 core->tvnorm = tvnorms;
2034
2035 /* init video dma queues */
2036 INIT_LIST_HEAD(&dev->vidq.active);
2037 INIT_LIST_HEAD(&dev->vidq.queued);
2038 dev->vidq.timeout.function = cx8800_vid_timeout;
2039 dev->vidq.timeout.data = (unsigned long)dev;
2040 init_timer(&dev->vidq.timeout);
2041 cx88_risc_stopper(dev->pci,&dev->vidq.stopper,
2042 MO_VID_DMACNTRL,0x11,0x00);
2043
2044 /* init vbi dma queues */
2045 INIT_LIST_HEAD(&dev->vbiq.active);
2046 INIT_LIST_HEAD(&dev->vbiq.queued);
2047 dev->vbiq.timeout.function = cx8800_vbi_timeout;
2048 dev->vbiq.timeout.data = (unsigned long)dev;
2049 init_timer(&dev->vbiq.timeout);
2050 cx88_risc_stopper(dev->pci,&dev->vbiq.stopper,
2051 MO_VID_DMACNTRL,0x88,0x00);
2052
2053 /* get irq */
2054 err = request_irq(pci_dev->irq, cx8800_irq,
2055 SA_SHIRQ | SA_INTERRUPT, core->name, dev);
2056 if (err < 0) {
2057 printk(KERN_ERR "%s: can't get IRQ %d\n",
2058 core->name,pci_dev->irq);
2059 goto fail_core;
2060 }
2061 cx_set(MO_PCI_INTMSK, core->pci_irqmask);
2062
2063 /* load and configure helper modules */
2064 if (TUNER_ABSENT != core->tuner_type)
2065 request_module("tuner");
2066 if (core->tda9887_conf)
2067 request_module("tda9887");
2068 if (core->tuner_type != UNSET)
2069 cx88_call_i2c_clients(dev->core,TUNER_SET_TYPE,&core->tuner_type);
2070 if (core->tda9887_conf)
2071 cx88_call_i2c_clients(dev->core,TDA9887_SET_CONFIG,&core->tda9887_conf);
2072
2073 /* register v4l devices */
2074 dev->video_dev = cx88_vdev_init(core,dev->pci,
2075 &cx8800_video_template,"video");
2076 err = video_register_device(dev->video_dev,VFL_TYPE_GRABBER,
2077 video_nr[core->nr]);
2078 if (err < 0) {
2079 printk(KERN_INFO "%s: can't register video device\n",
2080 core->name);
2081 goto fail_unreg;
2082 }
2083 printk(KERN_INFO "%s/0: registered device video%d [v4l2]\n",
2084 core->name,dev->video_dev->minor & 0x1f);
2085
2086 dev->vbi_dev = cx88_vdev_init(core,dev->pci,&cx8800_vbi_template,"vbi");
2087 err = video_register_device(dev->vbi_dev,VFL_TYPE_VBI,
2088 vbi_nr[core->nr]);
2089 if (err < 0) {
2090 printk(KERN_INFO "%s/0: can't register vbi device\n",
2091 core->name);
2092 goto fail_unreg;
2093 }
2094 printk(KERN_INFO "%s/0: registered device vbi%d\n",
2095 core->name,dev->vbi_dev->minor & 0x1f);
2096
2097 if (core->has_radio) {
2098 dev->radio_dev = cx88_vdev_init(core,dev->pci,
2099 &cx8800_radio_template,"radio");
2100 err = video_register_device(dev->radio_dev,VFL_TYPE_RADIO,
2101 radio_nr[core->nr]);
2102 if (err < 0) {
2103 printk(KERN_INFO "%s/0: can't register radio device\n",
2104 core->name);
2105 goto fail_unreg;
2106 }
2107 printk(KERN_INFO "%s/0: registered device radio%d\n",
2108 core->name,dev->radio_dev->minor & 0x1f);
2109 }
2110
2111 /* everything worked */
2112 list_add_tail(&dev->devlist,&cx8800_devlist);
2113 pci_set_drvdata(pci_dev,dev);
2114
2115 /* initial device configuration */
2116 down(&dev->lock);
2117 init_controls(dev);
2118 cx88_set_tvnorm(dev->core,tvnorms);
2119 video_mux(dev,0);
2120 up(&dev->lock);
2121
2122 /* start tvaudio thread */
2123 if (core->tuner_type != TUNER_ABSENT)
2124 core->kthread = kthread_run(cx88_audio_thread, core, "cx88 tvaudio");
2125 return 0;
2126
2127 fail_unreg:
2128 cx8800_unregister_video(dev);
2129 free_irq(pci_dev->irq, dev);
2130 fail_core:
2131 cx88_core_put(core,dev->pci);
2132 fail_free:
2133 kfree(dev);
2134 return err;
2135 }
2136
2137 static void __devexit cx8800_finidev(struct pci_dev *pci_dev)
2138 {
2139 struct cx8800_dev *dev = pci_get_drvdata(pci_dev);
2140
2141 /* stop thread */
2142 if (dev->core->kthread) {
2143 kthread_stop(dev->core->kthread);
2144 dev->core->kthread = NULL;
2145 }
2146
2147 cx88_shutdown(dev->core); /* FIXME */
2148 pci_disable_device(pci_dev);
2149
2150 /* unregister stuff */
2151
2152 free_irq(pci_dev->irq, dev);
2153 cx8800_unregister_video(dev);
2154 pci_set_drvdata(pci_dev, NULL);
2155
2156 /* free memory */
2157 btcx_riscmem_free(dev->pci,&dev->vidq.stopper);
2158 list_del(&dev->devlist);
2159 cx88_core_put(dev->core,dev->pci);
2160 kfree(dev);
2161 }
2162
2163 static int cx8800_suspend(struct pci_dev *pci_dev, pm_message_t state)
2164 {
2165 struct cx8800_dev *dev = pci_get_drvdata(pci_dev);
2166 struct cx88_core *core = dev->core;
2167
2168 /* stop video+vbi capture */
2169 spin_lock(&dev->slock);
2170 if (!list_empty(&dev->vidq.active)) {
2171 printk("%s: suspend video\n", core->name);
2172 stop_video_dma(dev);
2173 del_timer(&dev->vidq.timeout);
2174 }
2175 if (!list_empty(&dev->vbiq.active)) {
2176 printk("%s: suspend vbi\n", core->name);
2177 cx8800_stop_vbi_dma(dev);
2178 del_timer(&dev->vbiq.timeout);
2179 }
2180 spin_unlock(&dev->slock);
2181
2182 #if 1
2183 /* FIXME -- shutdown device */
2184 cx88_shutdown(dev->core);
2185 #endif
2186
2187 pci_save_state(pci_dev);
2188 if (0 != pci_set_power_state(pci_dev, pci_choose_state(pci_dev, state))) {
2189 pci_disable_device(pci_dev);
2190 dev->state.disabled = 1;
2191 }
2192 return 0;
2193 }
2194
2195 static int cx8800_resume(struct pci_dev *pci_dev)
2196 {
2197 struct cx8800_dev *dev = pci_get_drvdata(pci_dev);
2198 struct cx88_core *core = dev->core;
2199
2200 if (dev->state.disabled) {
2201 pci_enable_device(pci_dev);
2202 dev->state.disabled = 0;
2203 }
2204 pci_set_power_state(pci_dev, PCI_D0);
2205 pci_restore_state(pci_dev);
2206
2207 #if 1
2208 /* FIXME: re-initialize hardware */
2209 cx88_reset(dev->core);
2210 #endif
2211
2212 /* restart video+vbi capture */
2213 spin_lock(&dev->slock);
2214 if (!list_empty(&dev->vidq.active)) {
2215 printk("%s: resume video\n", core->name);
2216 restart_video_queue(dev,&dev->vidq);
2217 }
2218 if (!list_empty(&dev->vbiq.active)) {
2219 printk("%s: resume vbi\n", core->name);
2220 cx8800_restart_vbi_queue(dev,&dev->vbiq);
2221 }
2222 spin_unlock(&dev->slock);
2223
2224 return 0;
2225 }
2226
2227 /* ----------------------------------------------------------- */
2228
2229 struct pci_device_id cx8800_pci_tbl[] = {
2230 {
2231 .vendor = 0x14f1,
2232 .device = 0x8800,
2233 .subvendor = PCI_ANY_ID,
2234 .subdevice = PCI_ANY_ID,
2235 },{
2236 /* --- end of list --- */
2237 }
2238 };
2239 MODULE_DEVICE_TABLE(pci, cx8800_pci_tbl);
2240
2241 static struct pci_driver cx8800_pci_driver = {
2242 .name = "cx8800",
2243 .id_table = cx8800_pci_tbl,
2244 .probe = cx8800_initdev,
2245 .remove = __devexit_p(cx8800_finidev),
2246
2247 .suspend = cx8800_suspend,
2248 .resume = cx8800_resume,
2249 };
2250
2251 static int cx8800_init(void)
2252 {
2253 printk(KERN_INFO "cx2388x v4l2 driver version %d.%d.%d loaded\n",
2254 (CX88_VERSION_CODE >> 16) & 0xff,
2255 (CX88_VERSION_CODE >> 8) & 0xff,
2256 CX88_VERSION_CODE & 0xff);
2257 #ifdef SNAPSHOT
2258 printk(KERN_INFO "cx2388x: snapshot date %04d-%02d-%02d\n",
2259 SNAPSHOT/10000, (SNAPSHOT/100)%100, SNAPSHOT%100);
2260 #endif
2261 return pci_register_driver(&cx8800_pci_driver);
2262 }
2263
2264 static void cx8800_fini(void)
2265 {
2266 pci_unregister_driver(&cx8800_pci_driver);
2267 }
2268
2269 module_init(cx8800_init);
2270 module_exit(cx8800_fini);
2271
2272 /* ----------------------------------------------------------- */
2273 /*
2274 * Local variables:
2275 * c-basic-offset: 8
2276 * End:
2277 */
kernel source for telekom puls (alcatel/mediatek)