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pcmcia: CompactFlash driver for PA Semi Electra boards
[pv_ops_mirror.git] / drivers / media / video / cx88 / cx88-video.c
blob231ae6c4dd229f5327dffba44f5379db71b2c77e
1 /*
2 *
3 * device driver for Conexant 2388x based TV cards
4 * video4linux video interface
5 *
6 * (c) 2003-04 Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]
7 *
8 * (c) 2005-2006 Mauro Carvalho Chehab <mchehab@infradead.org>
9 * - Multituner support
10 * - video_ioctl2 conversion
11 * - PAL/M fixes
12 *
13 * This program is free software; you can redistribute it and/or modify
14 * it under the terms of the GNU General Public License as published by
15 * the Free Software Foundation; either version 2 of the License, or
16 * (at your option) any later version.
17 *
18 * This program is distributed in the hope that it will be useful,
19 * but WITHOUT ANY WARRANTY; without even the implied warranty of
20 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
21 * GNU General Public License for more details.
22 *
23 * You should have received a copy of the GNU General Public License
24 * along with this program; if not, write to the Free Software
25 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
26 */
27
28 #include <linux/init.h>
29 #include <linux/list.h>
30 #include <linux/module.h>
31 #include <linux/kmod.h>
32 #include <linux/kernel.h>
33 #include <linux/slab.h>
34 #include <linux/interrupt.h>
35 #include <linux/dma-mapping.h>
36 #include <linux/delay.h>
37 #include <linux/kthread.h>
38 #include <asm/div64.h>
39
40 #include "cx88.h"
41 #include <media/v4l2-common.h>
42
43 #ifdef CONFIG_VIDEO_V4L1_COMPAT
44 /* Include V4L1 specific functions. Should be removed soon */
45 #include <linux/videodev.h>
46 #endif
47
48 MODULE_DESCRIPTION("v4l2 driver module for cx2388x based TV cards");
49 MODULE_AUTHOR("Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]");
50 MODULE_LICENSE("GPL");
51
52 /* ------------------------------------------------------------------ */
53
54 static unsigned int video_nr[] = {[0 ... (CX88_MAXBOARDS - 1)] = UNSET };
55 static unsigned int vbi_nr[] = {[0 ... (CX88_MAXBOARDS - 1)] = UNSET };
56 static unsigned int radio_nr[] = {[0 ... (CX88_MAXBOARDS - 1)] = UNSET };
57
58 module_param_array(video_nr, int, NULL, 0444);
59 module_param_array(vbi_nr, int, NULL, 0444);
60 module_param_array(radio_nr, int, NULL, 0444);
61
62 MODULE_PARM_DESC(video_nr,"video device numbers");
63 MODULE_PARM_DESC(vbi_nr,"vbi device numbers");
64 MODULE_PARM_DESC(radio_nr,"radio device numbers");
65
66 static unsigned int video_debug = 0;
67 module_param(video_debug,int,0644);
68 MODULE_PARM_DESC(video_debug,"enable debug messages [video]");
69
70 static unsigned int irq_debug = 0;
71 module_param(irq_debug,int,0644);
72 MODULE_PARM_DESC(irq_debug,"enable debug messages [IRQ handler]");
73
74 static unsigned int vid_limit = 16;
75 module_param(vid_limit,int,0644);
76 MODULE_PARM_DESC(vid_limit,"capture memory limit in megabytes");
77
78 #define dprintk(level,fmt, arg...) if (video_debug >= level) \
79 printk(KERN_DEBUG "%s/0: " fmt, core->name , ## arg)
80
81 /* ------------------------------------------------------------------ */
82
83 static LIST_HEAD(cx8800_devlist);
84
85 /* ------------------------------------------------------------------- */
86 /* static data */
87
88 static struct cx8800_fmt formats[] = {
89 {
90 .name = "8 bpp, gray",
91 .fourcc = V4L2_PIX_FMT_GREY,
92 .cxformat = ColorFormatY8,
93 .depth = 8,
94 .flags = FORMAT_FLAGS_PACKED,
95 },{
96 .name = "15 bpp RGB, le",
97 .fourcc = V4L2_PIX_FMT_RGB555,
98 .cxformat = ColorFormatRGB15,
99 .depth = 16,
100 .flags = FORMAT_FLAGS_PACKED,
101 },{
102 .name = "15 bpp RGB, be",
103 .fourcc = V4L2_PIX_FMT_RGB555X,
104 .cxformat = ColorFormatRGB15 | ColorFormatBSWAP,
105 .depth = 16,
106 .flags = FORMAT_FLAGS_PACKED,
107 },{
108 .name = "16 bpp RGB, le",
109 .fourcc = V4L2_PIX_FMT_RGB565,
110 .cxformat = ColorFormatRGB16,
111 .depth = 16,
112 .flags = FORMAT_FLAGS_PACKED,
113 },{
114 .name = "16 bpp RGB, be",
115 .fourcc = V4L2_PIX_FMT_RGB565X,
116 .cxformat = ColorFormatRGB16 | ColorFormatBSWAP,
117 .depth = 16,
118 .flags = FORMAT_FLAGS_PACKED,
119 },{
120 .name = "24 bpp RGB, le",
121 .fourcc = V4L2_PIX_FMT_BGR24,
122 .cxformat = ColorFormatRGB24,
123 .depth = 24,
124 .flags = FORMAT_FLAGS_PACKED,
125 },{
126 .name = "32 bpp RGB, le",
127 .fourcc = V4L2_PIX_FMT_BGR32,
128 .cxformat = ColorFormatRGB32,
129 .depth = 32,
130 .flags = FORMAT_FLAGS_PACKED,
131 },{
132 .name = "32 bpp RGB, be",
133 .fourcc = V4L2_PIX_FMT_RGB32,
134 .cxformat = ColorFormatRGB32 | ColorFormatBSWAP | ColorFormatWSWAP,
135 .depth = 32,
136 .flags = FORMAT_FLAGS_PACKED,
137 },{
138 .name = "4:2:2, packed, YUYV",
139 .fourcc = V4L2_PIX_FMT_YUYV,
140 .cxformat = ColorFormatYUY2,
141 .depth = 16,
142 .flags = FORMAT_FLAGS_PACKED,
143 },{
144 .name = "4:2:2, packed, UYVY",
145 .fourcc = V4L2_PIX_FMT_UYVY,
146 .cxformat = ColorFormatYUY2 | ColorFormatBSWAP,
147 .depth = 16,
148 .flags = FORMAT_FLAGS_PACKED,
149 },
150 };
151
152 static struct cx8800_fmt* format_by_fourcc(unsigned int fourcc)
153 {
154 unsigned int i;
155
156 for (i = 0; i < ARRAY_SIZE(formats); i++)
157 if (formats[i].fourcc == fourcc)
158 return formats+i;
159 return NULL;
160 }
161
162 /* ------------------------------------------------------------------- */
163
164 static const struct v4l2_queryctrl no_ctl = {
165 .name = "42",
166 .flags = V4L2_CTRL_FLAG_DISABLED,
167 };
168
169 static struct cx88_ctrl cx8800_ctls[] = {
170 /* --- video --- */
171 {
172 .v = {
173 .id = V4L2_CID_BRIGHTNESS,
174 .name = "Brightness",
175 .minimum = 0x00,
176 .maximum = 0xff,
177 .step = 1,
178 .default_value = 0x7f,
179 .type = V4L2_CTRL_TYPE_INTEGER,
180 },
181 .off = 128,
182 .reg = MO_CONTR_BRIGHT,
183 .mask = 0x00ff,
184 .shift = 0,
185 },{
186 .v = {
187 .id = V4L2_CID_CONTRAST,
188 .name = "Contrast",
189 .minimum = 0,
190 .maximum = 0xff,
191 .step = 1,
192 .default_value = 0x3f,
193 .type = V4L2_CTRL_TYPE_INTEGER,
194 },
195 .off = 0,
196 .reg = MO_CONTR_BRIGHT,
197 .mask = 0xff00,
198 .shift = 8,
199 },{
200 .v = {
201 .id = V4L2_CID_HUE,
202 .name = "Hue",
203 .minimum = 0,
204 .maximum = 0xff,
205 .step = 1,
206 .default_value = 0x7f,
207 .type = V4L2_CTRL_TYPE_INTEGER,
208 },
209 .off = 128,
210 .reg = MO_HUE,
211 .mask = 0x00ff,
212 .shift = 0,
213 },{
214 /* strictly, this only describes only U saturation.
215 * V saturation is handled specially through code.
216 */
217 .v = {
218 .id = V4L2_CID_SATURATION,
219 .name = "Saturation",
220 .minimum = 0,
221 .maximum = 0xff,
222 .step = 1,
223 .default_value = 0x7f,
224 .type = V4L2_CTRL_TYPE_INTEGER,
225 },
226 .off = 0,
227 .reg = MO_UV_SATURATION,
228 .mask = 0x00ff,
229 .shift = 0,
230 },{
231 /* --- audio --- */
232 .v = {
233 .id = V4L2_CID_AUDIO_MUTE,
234 .name = "Mute",
235 .minimum = 0,
236 .maximum = 1,
237 .default_value = 1,
238 .type = V4L2_CTRL_TYPE_BOOLEAN,
239 },
240 .reg = AUD_VOL_CTL,
241 .sreg = SHADOW_AUD_VOL_CTL,
242 .mask = (1 << 6),
243 .shift = 6,
244 },{
245 .v = {
246 .id = V4L2_CID_AUDIO_VOLUME,
247 .name = "Volume",
248 .minimum = 0,
249 .maximum = 0x3f,
250 .step = 1,
251 .default_value = 0x3f,
252 .type = V4L2_CTRL_TYPE_INTEGER,
253 },
254 .reg = AUD_VOL_CTL,
255 .sreg = SHADOW_AUD_VOL_CTL,
256 .mask = 0x3f,
257 .shift = 0,
258 },{
259 .v = {
260 .id = V4L2_CID_AUDIO_BALANCE,
261 .name = "Balance",
262 .minimum = 0,
263 .maximum = 0x7f,
264 .step = 1,
265 .default_value = 0x40,
266 .type = V4L2_CTRL_TYPE_INTEGER,
267 },
268 .reg = AUD_BAL_CTL,
269 .sreg = SHADOW_AUD_BAL_CTL,
270 .mask = 0x7f,
271 .shift = 0,
272 }
273 };
274 static const int CX8800_CTLS = ARRAY_SIZE(cx8800_ctls);
275
276 const u32 cx88_user_ctrls[] = {
277 V4L2_CID_USER_CLASS,
278 V4L2_CID_BRIGHTNESS,
279 V4L2_CID_CONTRAST,
280 V4L2_CID_SATURATION,
281 V4L2_CID_HUE,
282 V4L2_CID_AUDIO_VOLUME,
283 V4L2_CID_AUDIO_BALANCE,
284 V4L2_CID_AUDIO_MUTE,
285 0
286 };
287 EXPORT_SYMBOL(cx88_user_ctrls);
288
289 static const u32 *ctrl_classes[] = {
290 cx88_user_ctrls,
291 NULL
292 };
293
294 int cx8800_ctrl_query(struct v4l2_queryctrl *qctrl)
295 {
296 int i;
297
298 if (qctrl->id < V4L2_CID_BASE ||
299 qctrl->id >= V4L2_CID_LASTP1)
300 return -EINVAL;
301 for (i = 0; i < CX8800_CTLS; i++)
302 if (cx8800_ctls[i].v.id == qctrl->id)
303 break;
304 if (i == CX8800_CTLS) {
305 *qctrl = no_ctl;
306 return 0;
307 }
308 *qctrl = cx8800_ctls[i].v;
309 return 0;
310 }
311 EXPORT_SYMBOL(cx8800_ctrl_query);
312
313 /* ------------------------------------------------------------------- */
314 /* resource management */
315
316 static int res_get(struct cx8800_dev *dev, struct cx8800_fh *fh, unsigned int bit)
317 {
318 struct cx88_core *core = dev->core;
319 if (fh->resources & bit)
320 /* have it already allocated */
321 return 1;
322
323 /* is it free? */
324 mutex_lock(&core->lock);
325 if (dev->resources & bit) {
326 /* no, someone else uses it */
327 mutex_unlock(&core->lock);
328 return 0;
329 }
330 /* it's free, grab it */
331 fh->resources |= bit;
332 dev->resources |= bit;
333 dprintk(1,"res: get %d\n",bit);
334 mutex_unlock(&core->lock);
335 return 1;
336 }
337
338 static
339 int res_check(struct cx8800_fh *fh, unsigned int bit)
340 {
341 return (fh->resources & bit);
342 }
343
344 static
345 int res_locked(struct cx8800_dev *dev, unsigned int bit)
346 {
347 return (dev->resources & bit);
348 }
349
350 static
351 void res_free(struct cx8800_dev *dev, struct cx8800_fh *fh, unsigned int bits)
352 {
353 struct cx88_core *core = dev->core;
354 BUG_ON((fh->resources & bits) != bits);
355
356 mutex_lock(&core->lock);
357 fh->resources &= ~bits;
358 dev->resources &= ~bits;
359 dprintk(1,"res: put %d\n",bits);
360 mutex_unlock(&core->lock);
361 }
362
363 /* ------------------------------------------------------------------ */
364
365 int cx88_video_mux(struct cx88_core *core, unsigned int input)
366 {
367 /* struct cx88_core *core = dev->core; */
368
369 dprintk(1,"video_mux: %d [vmux=%d,gpio=0x%x,0x%x,0x%x,0x%x]\n",
370 input, INPUT(input).vmux,
371 INPUT(input).gpio0,INPUT(input).gpio1,
372 INPUT(input).gpio2,INPUT(input).gpio3);
373 core->input = input;
374 cx_andor(MO_INPUT_FORMAT, 0x03 << 14, INPUT(input).vmux << 14);
375 cx_write(MO_GP3_IO, INPUT(input).gpio3);
376 cx_write(MO_GP0_IO, INPUT(input).gpio0);
377 cx_write(MO_GP1_IO, INPUT(input).gpio1);
378 cx_write(MO_GP2_IO, INPUT(input).gpio2);
379
380 switch (INPUT(input).type) {
381 case CX88_VMUX_SVIDEO:
382 cx_set(MO_AFECFG_IO, 0x00000001);
383 cx_set(MO_INPUT_FORMAT, 0x00010010);
384 cx_set(MO_FILTER_EVEN, 0x00002020);
385 cx_set(MO_FILTER_ODD, 0x00002020);
386 break;
387 default:
388 cx_clear(MO_AFECFG_IO, 0x00000001);
389 cx_clear(MO_INPUT_FORMAT, 0x00010010);
390 cx_clear(MO_FILTER_EVEN, 0x00002020);
391 cx_clear(MO_FILTER_ODD, 0x00002020);
392 break;
393 }
394
395 if (core->board.mpeg & CX88_MPEG_BLACKBIRD) {
396 /* sets sound input from external adc */
397 if (INPUT(input).extadc)
398 cx_set(AUD_CTL, EN_I2SIN_ENABLE);
399 else
400 cx_clear(AUD_CTL, EN_I2SIN_ENABLE);
401 }
402 return 0;
403 }
404 EXPORT_SYMBOL(cx88_video_mux);
405
406 /* ------------------------------------------------------------------ */
407
408 static int start_video_dma(struct cx8800_dev *dev,
409 struct cx88_dmaqueue *q,
410 struct cx88_buffer *buf)
411 {
412 struct cx88_core *core = dev->core;
413
414 /* setup fifo + format */
415 cx88_sram_channel_setup(core, &cx88_sram_channels[SRAM_CH21],
416 buf->bpl, buf->risc.dma);
417 cx88_set_scale(core, buf->vb.width, buf->vb.height, buf->vb.field);
418 cx_write(MO_COLOR_CTRL, buf->fmt->cxformat | ColorFormatGamma);
419
420 /* reset counter */
421 cx_write(MO_VIDY_GPCNTRL,GP_COUNT_CONTROL_RESET);
422 q->count = 1;
423
424 /* enable irqs */
425 cx_set(MO_PCI_INTMSK, core->pci_irqmask | PCI_INT_VIDINT);
426
427 /* Enables corresponding bits at PCI_INT_STAT:
428 bits 0 to 4: video, audio, transport stream, VIP, Host
429 bit 7: timer
430 bits 8 and 9: DMA complete for: SRC, DST
431 bits 10 and 11: BERR signal asserted for RISC: RD, WR
432 bits 12 to 15: BERR signal asserted for: BRDG, SRC, DST, IPB
433 */
434 cx_set(MO_VID_INTMSK, 0x0f0011);
435
436 /* enable capture */
437 cx_set(VID_CAPTURE_CONTROL,0x06);
438
439 /* start dma */
440 cx_set(MO_DEV_CNTRL2, (1<<5));
441 cx_set(MO_VID_DMACNTRL, 0x11); /* Planar Y and packed FIFO and RISC enable */
442
443 return 0;
444 }
445
446 #ifdef CONFIG_PM
447 static int stop_video_dma(struct cx8800_dev *dev)
448 {
449 struct cx88_core *core = dev->core;
450
451 /* stop dma */
452 cx_clear(MO_VID_DMACNTRL, 0x11);
453
454 /* disable capture */
455 cx_clear(VID_CAPTURE_CONTROL,0x06);
456
457 /* disable irqs */
458 cx_clear(MO_PCI_INTMSK, PCI_INT_VIDINT);
459 cx_clear(MO_VID_INTMSK, 0x0f0011);
460 return 0;
461 }
462 #endif
463
464 static int restart_video_queue(struct cx8800_dev *dev,
465 struct cx88_dmaqueue *q)
466 {
467 struct cx88_core *core = dev->core;
468 struct cx88_buffer *buf, *prev;
469
470 if (!list_empty(&q->active)) {
471 buf = list_entry(q->active.next, struct cx88_buffer, vb.queue);
472 dprintk(2,"restart_queue [%p/%d]: restart dma\n",
473 buf, buf->vb.i);
474 start_video_dma(dev, q, buf);
475 list_for_each_entry(buf, &q->active, vb.queue)
476 buf->count = q->count++;
477 mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT);
478 return 0;
479 }
480
481 prev = NULL;
482 for (;;) {
483 if (list_empty(&q->queued))
484 return 0;
485 buf = list_entry(q->queued.next, struct cx88_buffer, vb.queue);
486 if (NULL == prev) {
487 list_move_tail(&buf->vb.queue, &q->active);
488 start_video_dma(dev, q, buf);
489 buf->vb.state = STATE_ACTIVE;
490 buf->count = q->count++;
491 mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT);
492 dprintk(2,"[%p/%d] restart_queue - first active\n",
493 buf,buf->vb.i);
494
495 } else if (prev->vb.width == buf->vb.width &&
496 prev->vb.height == buf->vb.height &&
497 prev->fmt == buf->fmt) {
498 list_move_tail(&buf->vb.queue, &q->active);
499 buf->vb.state = STATE_ACTIVE;
500 buf->count = q->count++;
501 prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma);
502 dprintk(2,"[%p/%d] restart_queue - move to active\n",
503 buf,buf->vb.i);
504 } else {
505 return 0;
506 }
507 prev = buf;
508 }
509 }
510
511 /* ------------------------------------------------------------------ */
512
513 static int
514 buffer_setup(struct videobuf_queue *q, unsigned int *count, unsigned int *size)
515 {
516 struct cx8800_fh *fh = q->priv_data;
517
518 *size = fh->fmt->depth*fh->width*fh->height >> 3;
519 if (0 == *count)
520 *count = 32;
521 while (*size * *count > vid_limit * 1024 * 1024)
522 (*count)--;
523 return 0;
524 }
525
526 static int
527 buffer_prepare(struct videobuf_queue *q, struct videobuf_buffer *vb,
528 enum v4l2_field field)
529 {
530 struct cx8800_fh *fh = q->priv_data;
531 struct cx8800_dev *dev = fh->dev;
532 struct cx88_core *core = dev->core;
533 struct cx88_buffer *buf = container_of(vb,struct cx88_buffer,vb);
534 struct videobuf_dmabuf *dma=videobuf_to_dma(&buf->vb);
535 int rc, init_buffer = 0;
536
537 BUG_ON(NULL == fh->fmt);
538 if (fh->width < 48 || fh->width > norm_maxw(core->tvnorm) ||
539 fh->height < 32 || fh->height > norm_maxh(core->tvnorm))
540 return -EINVAL;
541 buf->vb.size = (fh->width * fh->height * fh->fmt->depth) >> 3;
542 if (0 != buf->vb.baddr && buf->vb.bsize < buf->vb.size)
543 return -EINVAL;
544
545 if (buf->fmt != fh->fmt ||
546 buf->vb.width != fh->width ||
547 buf->vb.height != fh->height ||
548 buf->vb.field != field) {
549 buf->fmt = fh->fmt;
550 buf->vb.width = fh->width;
551 buf->vb.height = fh->height;
552 buf->vb.field = field;
553 init_buffer = 1;
554 }
555
556 if (STATE_NEEDS_INIT == buf->vb.state) {
557 init_buffer = 1;
558 if (0 != (rc = videobuf_iolock(q,&buf->vb,NULL)))
559 goto fail;
560 }
561
562 if (init_buffer) {
563 buf->bpl = buf->vb.width * buf->fmt->depth >> 3;
564 switch (buf->vb.field) {
565 case V4L2_FIELD_TOP:
566 cx88_risc_buffer(dev->pci, &buf->risc,
567 dma->sglist, 0, UNSET,
568 buf->bpl, 0, buf->vb.height);
569 break;
570 case V4L2_FIELD_BOTTOM:
571 cx88_risc_buffer(dev->pci, &buf->risc,
572 dma->sglist, UNSET, 0,
573 buf->bpl, 0, buf->vb.height);
574 break;
575 case V4L2_FIELD_INTERLACED:
576 cx88_risc_buffer(dev->pci, &buf->risc,
577 dma->sglist, 0, buf->bpl,
578 buf->bpl, buf->bpl,
579 buf->vb.height >> 1);
580 break;
581 case V4L2_FIELD_SEQ_TB:
582 cx88_risc_buffer(dev->pci, &buf->risc,
583 dma->sglist,
584 0, buf->bpl * (buf->vb.height >> 1),
585 buf->bpl, 0,
586 buf->vb.height >> 1);
587 break;
588 case V4L2_FIELD_SEQ_BT:
589 cx88_risc_buffer(dev->pci, &buf->risc,
590 dma->sglist,
591 buf->bpl * (buf->vb.height >> 1), 0,
592 buf->bpl, 0,
593 buf->vb.height >> 1);
594 break;
595 default:
596 BUG();
597 }
598 }
599 dprintk(2,"[%p/%d] buffer_prepare - %dx%d %dbpp \"%s\" - dma=0x%08lx\n",
600 buf, buf->vb.i,
601 fh->width, fh->height, fh->fmt->depth, fh->fmt->name,
602 (unsigned long)buf->risc.dma);
603
604 buf->vb.state = STATE_PREPARED;
605 return 0;
606
607 fail:
608 cx88_free_buffer(q,buf);
609 return rc;
610 }
611
612 static void
613 buffer_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb)
614 {
615 struct cx88_buffer *buf = container_of(vb,struct cx88_buffer,vb);
616 struct cx88_buffer *prev;
617 struct cx8800_fh *fh = vq->priv_data;
618 struct cx8800_dev *dev = fh->dev;
619 struct cx88_core *core = dev->core;
620 struct cx88_dmaqueue *q = &dev->vidq;
621
622 /* add jump to stopper */
623 buf->risc.jmp[0] = cpu_to_le32(RISC_JUMP | RISC_IRQ1 | RISC_CNT_INC);
624 buf->risc.jmp[1] = cpu_to_le32(q->stopper.dma);
625
626 if (!list_empty(&q->queued)) {
627 list_add_tail(&buf->vb.queue,&q->queued);
628 buf->vb.state = STATE_QUEUED;
629 dprintk(2,"[%p/%d] buffer_queue - append to queued\n",
630 buf, buf->vb.i);
631
632 } else if (list_empty(&q->active)) {
633 list_add_tail(&buf->vb.queue,&q->active);
634 start_video_dma(dev, q, buf);
635 buf->vb.state = STATE_ACTIVE;
636 buf->count = q->count++;
637 mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT);
638 dprintk(2,"[%p/%d] buffer_queue - first active\n",
639 buf, buf->vb.i);
640
641 } else {
642 prev = list_entry(q->active.prev, struct cx88_buffer, vb.queue);
643 if (prev->vb.width == buf->vb.width &&
644 prev->vb.height == buf->vb.height &&
645 prev->fmt == buf->fmt) {
646 list_add_tail(&buf->vb.queue,&q->active);
647 buf->vb.state = STATE_ACTIVE;
648 buf->count = q->count++;
649 prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma);
650 dprintk(2,"[%p/%d] buffer_queue - append to active\n",
651 buf, buf->vb.i);
652
653 } else {
654 list_add_tail(&buf->vb.queue,&q->queued);
655 buf->vb.state = STATE_QUEUED;
656 dprintk(2,"[%p/%d] buffer_queue - first queued\n",
657 buf, buf->vb.i);
658 }
659 }
660 }
661
662 static void buffer_release(struct videobuf_queue *q, struct videobuf_buffer *vb)
663 {
664 struct cx88_buffer *buf = container_of(vb,struct cx88_buffer,vb);
665
666 cx88_free_buffer(q,buf);
667 }
668
669 static struct videobuf_queue_ops cx8800_video_qops = {
670 .buf_setup = buffer_setup,
671 .buf_prepare = buffer_prepare,
672 .buf_queue = buffer_queue,
673 .buf_release = buffer_release,
674 };
675
676 /* ------------------------------------------------------------------ */
677
678
679 /* ------------------------------------------------------------------ */
680
681 static struct videobuf_queue* get_queue(struct cx8800_fh *fh)
682 {
683 switch (fh->type) {
684 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
685 return &fh->vidq;
686 case V4L2_BUF_TYPE_VBI_CAPTURE:
687 return &fh->vbiq;
688 default:
689 BUG();
690 return NULL;
691 }
692 }
693
694 static int get_ressource(struct cx8800_fh *fh)
695 {
696 switch (fh->type) {
697 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
698 return RESOURCE_VIDEO;
699 case V4L2_BUF_TYPE_VBI_CAPTURE:
700 return RESOURCE_VBI;
701 default:
702 BUG();
703 return 0;
704 }
705 }
706
707 static int video_open(struct inode *inode, struct file *file)
708 {
709 int minor = iminor(inode);
710 struct cx8800_dev *h,*dev = NULL;
711 struct cx88_core *core;
712 struct cx8800_fh *fh;
713 enum v4l2_buf_type type = 0;
714 int radio = 0;
715
716 list_for_each_entry(h, &cx8800_devlist, devlist) {
717 if (h->video_dev->minor == minor) {
718 dev = h;
719 type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
720 }
721 if (h->vbi_dev->minor == minor) {
722 dev = h;
723 type = V4L2_BUF_TYPE_VBI_CAPTURE;
724 }
725 if (h->radio_dev &&
726 h->radio_dev->minor == minor) {
727 radio = 1;
728 dev = h;
729 }
730 }
731 if (NULL == dev)
732 return -ENODEV;
733
734 core = dev->core;
735
736 dprintk(1,"open minor=%d radio=%d type=%s\n",
737 minor,radio,v4l2_type_names[type]);
738
739 /* allocate + initialize per filehandle data */
740 fh = kzalloc(sizeof(*fh),GFP_KERNEL);
741 if (NULL == fh)
742 return -ENOMEM;
743 file->private_data = fh;
744 fh->dev = dev;
745 fh->radio = radio;
746 fh->type = type;
747 fh->width = 320;
748 fh->height = 240;
749 fh->fmt = format_by_fourcc(V4L2_PIX_FMT_BGR24);
750
751 videobuf_queue_pci_init(&fh->vidq, &cx8800_video_qops,
752 dev->pci, &dev->slock,
753 V4L2_BUF_TYPE_VIDEO_CAPTURE,
754 V4L2_FIELD_INTERLACED,
755 sizeof(struct cx88_buffer),
756 fh);
757 videobuf_queue_pci_init(&fh->vbiq, &cx8800_vbi_qops,
758 dev->pci, &dev->slock,
759 V4L2_BUF_TYPE_VBI_CAPTURE,
760 V4L2_FIELD_SEQ_TB,
761 sizeof(struct cx88_buffer),
762 fh);
763
764 if (fh->radio) {
765 dprintk(1,"video_open: setting radio device\n");
766 cx_write(MO_GP3_IO, core->board.radio.gpio3);
767 cx_write(MO_GP0_IO, core->board.radio.gpio0);
768 cx_write(MO_GP1_IO, core->board.radio.gpio1);
769 cx_write(MO_GP2_IO, core->board.radio.gpio2);
770 core->tvaudio = WW_FM;
771 cx88_set_tvaudio(core);
772 cx88_set_stereo(core,V4L2_TUNER_MODE_STEREO,1);
773 cx88_call_i2c_clients(core,AUDC_SET_RADIO,NULL);
774 }
775
776 return 0;
777 }
778
779 static ssize_t
780 video_read(struct file *file, char __user *data, size_t count, loff_t *ppos)
781 {
782 struct cx8800_fh *fh = file->private_data;
783
784 switch (fh->type) {
785 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
786 if (res_locked(fh->dev,RESOURCE_VIDEO))
787 return -EBUSY;
788 return videobuf_read_one(&fh->vidq, data, count, ppos,
789 file->f_flags & O_NONBLOCK);
790 case V4L2_BUF_TYPE_VBI_CAPTURE:
791 if (!res_get(fh->dev,fh,RESOURCE_VBI))
792 return -EBUSY;
793 return videobuf_read_stream(&fh->vbiq, data, count, ppos, 1,
794 file->f_flags & O_NONBLOCK);
795 default:
796 BUG();
797 return 0;
798 }
799 }
800
801 static unsigned int
802 video_poll(struct file *file, struct poll_table_struct *wait)
803 {
804 struct cx8800_fh *fh = file->private_data;
805 struct cx88_buffer *buf;
806
807 if (V4L2_BUF_TYPE_VBI_CAPTURE == fh->type) {
808 if (!res_get(fh->dev,fh,RESOURCE_VBI))
809 return POLLERR;
810 return videobuf_poll_stream(file, &fh->vbiq, wait);
811 }
812
813 if (res_check(fh,RESOURCE_VIDEO)) {
814 /* streaming capture */
815 if (list_empty(&fh->vidq.stream))
816 return POLLERR;
817 buf = list_entry(fh->vidq.stream.next,struct cx88_buffer,vb.stream);
818 } else {
819 /* read() capture */
820 buf = (struct cx88_buffer*)fh->vidq.read_buf;
821 if (NULL == buf)
822 return POLLERR;
823 }
824 poll_wait(file, &buf->vb.done, wait);
825 if (buf->vb.state == STATE_DONE ||
826 buf->vb.state == STATE_ERROR)
827 return POLLIN|POLLRDNORM;
828 return 0;
829 }
830
831 static int video_release(struct inode *inode, struct file *file)
832 {
833 struct cx8800_fh *fh = file->private_data;
834 struct cx8800_dev *dev = fh->dev;
835
836 /* turn off overlay */
837 if (res_check(fh, RESOURCE_OVERLAY)) {
838 /* FIXME */
839 res_free(dev,fh,RESOURCE_OVERLAY);
840 }
841
842 /* stop video capture */
843 if (res_check(fh, RESOURCE_VIDEO)) {
844 videobuf_queue_cancel(&fh->vidq);
845 res_free(dev,fh,RESOURCE_VIDEO);
846 }
847 if (fh->vidq.read_buf) {
848 buffer_release(&fh->vidq,fh->vidq.read_buf);
849 kfree(fh->vidq.read_buf);
850 }
851
852 /* stop vbi capture */
853 if (res_check(fh, RESOURCE_VBI)) {
854 if (fh->vbiq.streaming)
855 videobuf_streamoff(&fh->vbiq);
856 if (fh->vbiq.reading)
857 videobuf_read_stop(&fh->vbiq);
858 res_free(dev,fh,RESOURCE_VBI);
859 }
860
861 videobuf_mmap_free(&fh->vidq);
862 videobuf_mmap_free(&fh->vbiq);
863 file->private_data = NULL;
864 kfree(fh);
865
866 cx88_call_i2c_clients (dev->core, TUNER_SET_STANDBY, NULL);
867
868 return 0;
869 }
870
871 static int
872 video_mmap(struct file *file, struct vm_area_struct * vma)
873 {
874 struct cx8800_fh *fh = file->private_data;
875
876 return videobuf_mmap_mapper(get_queue(fh), vma);
877 }
878
879 /* ------------------------------------------------------------------ */
880 /* VIDEO CTRL IOCTLS */
881
882 int cx88_get_control (struct cx88_core *core, struct v4l2_control *ctl)
883 {
884 struct cx88_ctrl *c = NULL;
885 u32 value;
886 int i;
887
888 for (i = 0; i < CX8800_CTLS; i++)
889 if (cx8800_ctls[i].v.id == ctl->id)
890 c = &cx8800_ctls[i];
891 if (unlikely(NULL == c))
892 return -EINVAL;
893
894 value = c->sreg ? cx_sread(c->sreg) : cx_read(c->reg);
895 switch (ctl->id) {
896 case V4L2_CID_AUDIO_BALANCE:
897 ctl->value = ((value & 0x7f) < 0x40) ? ((value & 0x7f) + 0x40)
898 : (0x7f - (value & 0x7f));
899 break;
900 case V4L2_CID_AUDIO_VOLUME:
901 ctl->value = 0x3f - (value & 0x3f);
902 break;
903 default:
904 ctl->value = ((value + (c->off << c->shift)) & c->mask) >> c->shift;
905 break;
906 }
907 dprintk(1,"get_control id=0x%X(%s) ctrl=0x%02x, reg=0x%02x val=0x%02x (mask 0x%02x)%s\n",
908 ctl->id, c->v.name, ctl->value, c->reg,
909 value,c->mask, c->sreg ? " [shadowed]" : "");
910 return 0;
911 }
912 EXPORT_SYMBOL(cx88_get_control);
913
914 int cx88_set_control(struct cx88_core *core, struct v4l2_control *ctl)
915 {
916 struct cx88_ctrl *c = NULL;
917 u32 value,mask;
918 int i;
919
920 for (i = 0; i < CX8800_CTLS; i++) {
921 if (cx8800_ctls[i].v.id == ctl->id) {
922 c = &cx8800_ctls[i];
923 }
924 }
925 if (unlikely(NULL == c))
926 return -EINVAL;
927
928 if (ctl->value < c->v.minimum)
929 ctl->value = c->v.minimum;
930 if (ctl->value > c->v.maximum)
931 ctl->value = c->v.maximum;
932 mask=c->mask;
933 switch (ctl->id) {
934 case V4L2_CID_AUDIO_BALANCE:
935 value = (ctl->value < 0x40) ? (0x7f - ctl->value) : (ctl->value - 0x40);
936 break;
937 case V4L2_CID_AUDIO_VOLUME:
938 value = 0x3f - (ctl->value & 0x3f);
939 break;
940 case V4L2_CID_SATURATION:
941 /* special v_sat handling */
942
943 value = ((ctl->value - c->off) << c->shift) & c->mask;
944
945 if (core->tvnorm & V4L2_STD_SECAM) {
946 /* For SECAM, both U and V sat should be equal */
947 value=value<<8|value;
948 } else {
949 /* Keeps U Saturation proportional to V Sat */
950 value=(value*0x5a)/0x7f<<8|value;
951 }
952 mask=0xffff;
953 break;
954 default:
955 value = ((ctl->value - c->off) << c->shift) & c->mask;
956 break;
957 }
958 dprintk(1,"set_control id=0x%X(%s) ctrl=0x%02x, reg=0x%02x val=0x%02x (mask 0x%02x)%s\n",
959 ctl->id, c->v.name, ctl->value, c->reg, value,
960 mask, c->sreg ? " [shadowed]" : "");
961 if (c->sreg) {
962 cx_sandor(c->sreg, c->reg, mask, value);
963 } else {
964 cx_andor(c->reg, mask, value);
965 }
966 return 0;
967 }
968 EXPORT_SYMBOL(cx88_set_control);
969
970 static void init_controls(struct cx88_core *core)
971 {
972 struct v4l2_control ctrl;
973 int i;
974
975 for (i = 0; i < CX8800_CTLS; i++) {
976 ctrl.id=cx8800_ctls[i].v.id;
977 ctrl.value=cx8800_ctls[i].v.default_value;
978
979 cx88_set_control(core, &ctrl);
980 }
981 }
982
983 /* ------------------------------------------------------------------ */
984 /* VIDEO IOCTLS */
985
986 static int vidioc_g_fmt_cap (struct file *file, void *priv,
987 struct v4l2_format *f)
988 {
989 struct cx8800_fh *fh = priv;
990
991 f->fmt.pix.width = fh->width;
992 f->fmt.pix.height = fh->height;
993 f->fmt.pix.field = fh->vidq.field;
994 f->fmt.pix.pixelformat = fh->fmt->fourcc;
995 f->fmt.pix.bytesperline =
996 (f->fmt.pix.width * fh->fmt->depth) >> 3;
997 f->fmt.pix.sizeimage =
998 f->fmt.pix.height * f->fmt.pix.bytesperline;
999 return 0;
1000 }
1001
1002 static int vidioc_try_fmt_cap (struct file *file, void *priv,
1003 struct v4l2_format *f)
1004 {
1005 struct cx88_core *core = ((struct cx8800_fh *)priv)->dev->core;
1006 struct cx8800_fmt *fmt;
1007 enum v4l2_field field;
1008 unsigned int maxw, maxh;
1009
1010 fmt = format_by_fourcc(f->fmt.pix.pixelformat);
1011 if (NULL == fmt)
1012 return -EINVAL;
1013
1014 field = f->fmt.pix.field;
1015 maxw = norm_maxw(core->tvnorm);
1016 maxh = norm_maxh(core->tvnorm);
1017
1018 if (V4L2_FIELD_ANY == field) {
1019 field = (f->fmt.pix.height > maxh/2)
1020 ? V4L2_FIELD_INTERLACED
1021 : V4L2_FIELD_BOTTOM;
1022 }
1023
1024 switch (field) {
1025 case V4L2_FIELD_TOP:
1026 case V4L2_FIELD_BOTTOM:
1027 maxh = maxh / 2;
1028 break;
1029 case V4L2_FIELD_INTERLACED:
1030 break;
1031 default:
1032 return -EINVAL;
1033 }
1034
1035 f->fmt.pix.field = field;
1036 if (f->fmt.pix.height < 32)
1037 f->fmt.pix.height = 32;
1038 if (f->fmt.pix.height > maxh)
1039 f->fmt.pix.height = maxh;
1040 if (f->fmt.pix.width < 48)
1041 f->fmt.pix.width = 48;
1042 if (f->fmt.pix.width > maxw)
1043 f->fmt.pix.width = maxw;
1044 f->fmt.pix.width &= ~0x03;
1045 f->fmt.pix.bytesperline =
1046 (f->fmt.pix.width * fmt->depth) >> 3;
1047 f->fmt.pix.sizeimage =
1048 f->fmt.pix.height * f->fmt.pix.bytesperline;
1049
1050 return 0;
1051 }
1052
1053 static int vidioc_s_fmt_cap (struct file *file, void *priv,
1054 struct v4l2_format *f)
1055 {
1056 struct cx8800_fh *fh = priv;
1057 int err = vidioc_try_fmt_cap (file,priv,f);
1058
1059 if (0 != err)
1060 return err;
1061 fh->fmt = format_by_fourcc(f->fmt.pix.pixelformat);
1062 fh->width = f->fmt.pix.width;
1063 fh->height = f->fmt.pix.height;
1064 fh->vidq.field = f->fmt.pix.field;
1065 return 0;
1066 }
1067
1068 static int vidioc_querycap (struct file *file, void *priv,
1069 struct v4l2_capability *cap)
1070 {
1071 struct cx8800_dev *dev = ((struct cx8800_fh *)priv)->dev;
1072 struct cx88_core *core = dev->core;
1073
1074 strcpy(cap->driver, "cx8800");
1075 strlcpy(cap->card, core->board.name, sizeof(cap->card));
1076 sprintf(cap->bus_info,"PCI:%s",pci_name(dev->pci));
1077 cap->version = CX88_VERSION_CODE;
1078 cap->capabilities =
1079 V4L2_CAP_VIDEO_CAPTURE |
1080 V4L2_CAP_READWRITE |
1081 V4L2_CAP_STREAMING |
1082 V4L2_CAP_VBI_CAPTURE;
1083 if (UNSET != core->board.tuner_type)
1084 cap->capabilities |= V4L2_CAP_TUNER;
1085 return 0;
1086 }
1087
1088 static int vidioc_enum_fmt_cap (struct file *file, void *priv,
1089 struct v4l2_fmtdesc *f)
1090 {
1091 if (unlikely(f->index >= ARRAY_SIZE(formats)))
1092 return -EINVAL;
1093
1094 strlcpy(f->description,formats[f->index].name,sizeof(f->description));
1095 f->pixelformat = formats[f->index].fourcc;
1096
1097 return 0;
1098 }
1099
1100 #ifdef CONFIG_VIDEO_V4L1_COMPAT
1101 static int vidiocgmbuf (struct file *file, void *priv, struct video_mbuf *mbuf)
1102 {
1103 struct cx8800_fh *fh = priv;
1104
1105 return videobuf_cgmbuf (get_queue(fh), mbuf, 8);
1106 }
1107 #endif
1108
1109 static int vidioc_reqbufs (struct file *file, void *priv, struct v4l2_requestbuffers *p)
1110 {
1111 struct cx8800_fh *fh = priv;
1112 return (videobuf_reqbufs(get_queue(fh), p));
1113 }
1114
1115 static int vidioc_querybuf (struct file *file, void *priv, struct v4l2_buffer *p)
1116 {
1117 struct cx8800_fh *fh = priv;
1118 return (videobuf_querybuf(get_queue(fh), p));
1119 }
1120
1121 static int vidioc_qbuf (struct file *file, void *priv, struct v4l2_buffer *p)
1122 {
1123 struct cx8800_fh *fh = priv;
1124 return (videobuf_qbuf(get_queue(fh), p));
1125 }
1126
1127 static int vidioc_dqbuf (struct file *file, void *priv, struct v4l2_buffer *p)
1128 {
1129 struct cx8800_fh *fh = priv;
1130 return (videobuf_dqbuf(get_queue(fh), p,
1131 file->f_flags & O_NONBLOCK));
1132 }
1133
1134 static int vidioc_streamon(struct file *file, void *priv, enum v4l2_buf_type i)
1135 {
1136 struct cx8800_fh *fh = priv;
1137 struct cx8800_dev *dev = fh->dev;
1138
1139 if (unlikely(fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE))
1140 return -EINVAL;
1141 if (unlikely(i != fh->type))
1142 return -EINVAL;
1143
1144 if (unlikely(!res_get(dev,fh,get_ressource(fh))))
1145 return -EBUSY;
1146 return videobuf_streamon(get_queue(fh));
1147 }
1148
1149 static int vidioc_streamoff(struct file *file, void *priv, enum v4l2_buf_type i)
1150 {
1151 struct cx8800_fh *fh = priv;
1152 struct cx8800_dev *dev = fh->dev;
1153 int err, res;
1154
1155 if (fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
1156 return -EINVAL;
1157 if (i != fh->type)
1158 return -EINVAL;
1159
1160 res = get_ressource(fh);
1161 err = videobuf_streamoff(get_queue(fh));
1162 if (err < 0)
1163 return err;
1164 res_free(dev,fh,res);
1165 return 0;
1166 }
1167
1168 static int vidioc_s_std (struct file *file, void *priv, v4l2_std_id *tvnorms)
1169 {
1170 struct cx88_core *core = ((struct cx8800_fh *)priv)->dev->core;
1171
1172 mutex_lock(&core->lock);
1173 cx88_set_tvnorm(core,*tvnorms);
1174 mutex_unlock(&core->lock);
1175
1176 return 0;
1177 }
1178
1179 /* only one input in this sample driver */
1180 int cx88_enum_input (struct cx88_core *core,struct v4l2_input *i)
1181 {
1182 static const char *iname[] = {
1183 [ CX88_VMUX_COMPOSITE1 ] = "Composite1",
1184 [ CX88_VMUX_COMPOSITE2 ] = "Composite2",
1185 [ CX88_VMUX_COMPOSITE3 ] = "Composite3",
1186 [ CX88_VMUX_COMPOSITE4 ] = "Composite4",
1187 [ CX88_VMUX_SVIDEO ] = "S-Video",
1188 [ CX88_VMUX_TELEVISION ] = "Television",
1189 [ CX88_VMUX_CABLE ] = "Cable TV",
1190 [ CX88_VMUX_DVB ] = "DVB",
1191 [ CX88_VMUX_DEBUG ] = "for debug only",
1192 };
1193 unsigned int n;
1194
1195 n = i->index;
1196 if (n >= 4)
1197 return -EINVAL;
1198 if (0 == INPUT(n).type)
1199 return -EINVAL;
1200 memset(i,0,sizeof(*i));
1201 i->index = n;
1202 i->type = V4L2_INPUT_TYPE_CAMERA;
1203 strcpy(i->name,iname[INPUT(n).type]);
1204 if ((CX88_VMUX_TELEVISION == INPUT(n).type) ||
1205 (CX88_VMUX_CABLE == INPUT(n).type))
1206 i->type = V4L2_INPUT_TYPE_TUNER;
1207 i->std = CX88_NORMS;
1208 return 0;
1209 }
1210 EXPORT_SYMBOL(cx88_enum_input);
1211
1212 static int vidioc_enum_input (struct file *file, void *priv,
1213 struct v4l2_input *i)
1214 {
1215 struct cx88_core *core = ((struct cx8800_fh *)priv)->dev->core;
1216 return cx88_enum_input (core,i);
1217 }
1218
1219 static int vidioc_g_input (struct file *file, void *priv, unsigned int *i)
1220 {
1221 struct cx88_core *core = ((struct cx8800_fh *)priv)->dev->core;
1222
1223 *i = core->input;
1224 return 0;
1225 }
1226
1227 static int vidioc_s_input (struct file *file, void *priv, unsigned int i)
1228 {
1229 struct cx88_core *core = ((struct cx8800_fh *)priv)->dev->core;
1230
1231 if (i >= 4)
1232 return -EINVAL;
1233
1234 mutex_lock(&core->lock);
1235 cx88_newstation(core);
1236 cx88_video_mux(core,i);
1237 mutex_unlock(&core->lock);
1238 return 0;
1239 }
1240
1241
1242
1243 static int vidioc_queryctrl (struct file *file, void *priv,
1244 struct v4l2_queryctrl *qctrl)
1245 {
1246 qctrl->id = v4l2_ctrl_next(ctrl_classes, qctrl->id);
1247 if (unlikely(qctrl->id == 0))
1248 return -EINVAL;
1249 return cx8800_ctrl_query(qctrl);
1250 }
1251
1252 static int vidioc_g_ctrl (struct file *file, void *priv,
1253 struct v4l2_control *ctl)
1254 {
1255 struct cx88_core *core = ((struct cx8800_fh *)priv)->dev->core;
1256 return
1257 cx88_get_control(core,ctl);
1258 }
1259
1260 static int vidioc_s_ctrl (struct file *file, void *priv,
1261 struct v4l2_control *ctl)
1262 {
1263 struct cx88_core *core = ((struct cx8800_fh *)priv)->dev->core;
1264 return
1265 cx88_set_control(core,ctl);
1266 }
1267
1268 static int vidioc_g_tuner (struct file *file, void *priv,
1269 struct v4l2_tuner *t)
1270 {
1271 struct cx88_core *core = ((struct cx8800_fh *)priv)->dev->core;
1272 u32 reg;
1273
1274 if (unlikely(UNSET == core->board.tuner_type))
1275 return -EINVAL;
1276 if (0 != t->index)
1277 return -EINVAL;
1278
1279 strcpy(t->name, "Television");
1280 t->type = V4L2_TUNER_ANALOG_TV;
1281 t->capability = V4L2_TUNER_CAP_NORM;
1282 t->rangehigh = 0xffffffffUL;
1283
1284 cx88_get_stereo(core ,t);
1285 reg = cx_read(MO_DEVICE_STATUS);
1286 t->signal = (reg & (1<<5)) ? 0xffff : 0x0000;
1287 return 0;
1288 }
1289
1290 static int vidioc_s_tuner (struct file *file, void *priv,
1291 struct v4l2_tuner *t)
1292 {
1293 struct cx88_core *core = ((struct cx8800_fh *)priv)->dev->core;
1294
1295 if (UNSET == core->board.tuner_type)
1296 return -EINVAL;
1297 if (0 != t->index)
1298 return -EINVAL;
1299
1300 cx88_set_stereo(core, t->audmode, 1);
1301 return 0;
1302 }
1303
1304 static int vidioc_g_frequency (struct file *file, void *priv,
1305 struct v4l2_frequency *f)
1306 {
1307 struct cx8800_fh *fh = priv;
1308 struct cx88_core *core = fh->dev->core;
1309
1310 if (unlikely(UNSET == core->board.tuner_type))
1311 return -EINVAL;
1312
1313 /* f->type = fh->radio ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV; */
1314 f->type = fh->radio ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV;
1315 f->frequency = core->freq;
1316
1317 cx88_call_i2c_clients(core,VIDIOC_G_FREQUENCY,f);
1318
1319 return 0;
1320 }
1321
1322 int cx88_set_freq (struct cx88_core *core,
1323 struct v4l2_frequency *f)
1324 {
1325 if (unlikely(UNSET == core->board.tuner_type))
1326 return -EINVAL;
1327 if (unlikely(f->tuner != 0))
1328 return -EINVAL;
1329
1330 mutex_lock(&core->lock);
1331 core->freq = f->frequency;
1332 cx88_newstation(core);
1333 cx88_call_i2c_clients(core,VIDIOC_S_FREQUENCY,f);
1334
1335 /* When changing channels it is required to reset TVAUDIO */
1336 msleep (10);
1337 cx88_set_tvaudio(core);
1338
1339 mutex_unlock(&core->lock);
1340
1341 return 0;
1342 }
1343 EXPORT_SYMBOL(cx88_set_freq);
1344
1345 static int vidioc_s_frequency (struct file *file, void *priv,
1346 struct v4l2_frequency *f)
1347 {
1348 struct cx8800_fh *fh = priv;
1349 struct cx88_core *core = fh->dev->core;
1350
1351 if (unlikely(0 == fh->radio && f->type != V4L2_TUNER_ANALOG_TV))
1352 return -EINVAL;
1353 if (unlikely(1 == fh->radio && f->type != V4L2_TUNER_RADIO))
1354 return -EINVAL;
1355
1356 return
1357 cx88_set_freq (core,f);
1358 }
1359
1360 #ifdef CONFIG_VIDEO_ADV_DEBUG
1361 static int vidioc_g_register (struct file *file, void *fh,
1362 struct v4l2_register *reg)
1363 {
1364 struct cx88_core *core = ((struct cx8800_fh*)fh)->dev->core;
1365
1366 if (!v4l2_chip_match_host(reg->match_type, reg->match_chip))
1367 return -EINVAL;
1368 /* cx2388x has a 24-bit register space */
1369 reg->val = cx_read(reg->reg&0xffffff);
1370 return 0;
1371 }
1372
1373 static int vidioc_s_register (struct file *file, void *fh,
1374 struct v4l2_register *reg)
1375 {
1376 struct cx88_core *core = ((struct cx8800_fh*)fh)->dev->core;
1377
1378 if (!v4l2_chip_match_host(reg->match_type, reg->match_chip))
1379 return -EINVAL;
1380 cx_write(reg->reg&0xffffff, reg->val);
1381 return 0;
1382 }
1383 #endif
1384
1385 /* ----------------------------------------------------------- */
1386 /* RADIO ESPECIFIC IOCTLS */
1387 /* ----------------------------------------------------------- */
1388
1389 static int radio_querycap (struct file *file, void *priv,
1390 struct v4l2_capability *cap)
1391 {
1392 struct cx8800_dev *dev = ((struct cx8800_fh *)priv)->dev;
1393 struct cx88_core *core = dev->core;
1394
1395 strcpy(cap->driver, "cx8800");
1396 strlcpy(cap->card, core->board.name, sizeof(cap->card));
1397 sprintf(cap->bus_info,"PCI:%s", pci_name(dev->pci));
1398 cap->version = CX88_VERSION_CODE;
1399 cap->capabilities = V4L2_CAP_TUNER;
1400 return 0;
1401 }
1402
1403 static int radio_g_tuner (struct file *file, void *priv,
1404 struct v4l2_tuner *t)
1405 {
1406 struct cx88_core *core = ((struct cx8800_fh *)priv)->dev->core;
1407
1408 if (unlikely(t->index > 0))
1409 return -EINVAL;
1410
1411 strcpy(t->name, "Radio");
1412 t->type = V4L2_TUNER_RADIO;
1413
1414 cx88_call_i2c_clients(core,VIDIOC_G_TUNER,t);
1415 return 0;
1416 }
1417
1418 static int radio_enum_input (struct file *file, void *priv,
1419 struct v4l2_input *i)
1420 {
1421 if (i->index != 0)
1422 return -EINVAL;
1423 strcpy(i->name,"Radio");
1424 i->type = V4L2_INPUT_TYPE_TUNER;
1425
1426 return 0;
1427 }
1428
1429 static int radio_g_audio (struct file *file, void *priv, struct v4l2_audio *a)
1430 {
1431 if (unlikely(a->index))
1432 return -EINVAL;
1433
1434 memset(a,0,sizeof(*a));
1435 strcpy(a->name,"Radio");
1436 return 0;
1437 }
1438
1439 /* FIXME: Should add a standard for radio */
1440
1441 static int radio_s_tuner (struct file *file, void *priv,
1442 struct v4l2_tuner *t)
1443 {
1444 struct cx88_core *core = ((struct cx8800_fh *)priv)->dev->core;
1445
1446 if (0 != t->index)
1447 return -EINVAL;
1448
1449 cx88_call_i2c_clients(core,VIDIOC_S_TUNER,t);
1450
1451 return 0;
1452 }
1453
1454 static int radio_s_audio (struct file *file, void *fh,
1455 struct v4l2_audio *a)
1456 {
1457 return 0;
1458 }
1459
1460 static int radio_s_input (struct file *file, void *fh, unsigned int i)
1461 {
1462 return 0;
1463 }
1464
1465 static int radio_queryctrl (struct file *file, void *priv,
1466 struct v4l2_queryctrl *c)
1467 {
1468 int i;
1469
1470 if (c->id < V4L2_CID_BASE ||
1471 c->id >= V4L2_CID_LASTP1)
1472 return -EINVAL;
1473 if (c->id == V4L2_CID_AUDIO_MUTE) {
1474 for (i = 0; i < CX8800_CTLS; i++)
1475 if (cx8800_ctls[i].v.id == c->id)
1476 break;
1477 *c = cx8800_ctls[i].v;
1478 } else
1479 *c = no_ctl;
1480 return 0;
1481 }
1482
1483 /* ----------------------------------------------------------- */
1484
1485 static void cx8800_vid_timeout(unsigned long data)
1486 {
1487 struct cx8800_dev *dev = (struct cx8800_dev*)data;
1488 struct cx88_core *core = dev->core;
1489 struct cx88_dmaqueue *q = &dev->vidq;
1490 struct cx88_buffer *buf;
1491 unsigned long flags;
1492
1493 cx88_sram_channel_dump(core, &cx88_sram_channels[SRAM_CH21]);
1494
1495 cx_clear(MO_VID_DMACNTRL, 0x11);
1496 cx_clear(VID_CAPTURE_CONTROL, 0x06);
1497
1498 spin_lock_irqsave(&dev->slock,flags);
1499 while (!list_empty(&q->active)) {
1500 buf = list_entry(q->active.next, struct cx88_buffer, vb.queue);
1501 list_del(&buf->vb.queue);
1502 buf->vb.state = STATE_ERROR;
1503 wake_up(&buf->vb.done);
1504 printk("%s/0: [%p/%d] timeout - dma=0x%08lx\n", core->name,
1505 buf, buf->vb.i, (unsigned long)buf->risc.dma);
1506 }
1507 restart_video_queue(dev,q);
1508 spin_unlock_irqrestore(&dev->slock,flags);
1509 }
1510
1511 static char *cx88_vid_irqs[32] = {
1512 "y_risci1", "u_risci1", "v_risci1", "vbi_risc1",
1513 "y_risci2", "u_risci2", "v_risci2", "vbi_risc2",
1514 "y_oflow", "u_oflow", "v_oflow", "vbi_oflow",
1515 "y_sync", "u_sync", "v_sync", "vbi_sync",
1516 "opc_err", "par_err", "rip_err", "pci_abort",
1517 };
1518
1519 static void cx8800_vid_irq(struct cx8800_dev *dev)
1520 {
1521 struct cx88_core *core = dev->core;
1522 u32 status, mask, count;
1523
1524 status = cx_read(MO_VID_INTSTAT);
1525 mask = cx_read(MO_VID_INTMSK);
1526 if (0 == (status & mask))
1527 return;
1528 cx_write(MO_VID_INTSTAT, status);
1529 if (irq_debug || (status & mask & ~0xff))
1530 cx88_print_irqbits(core->name, "irq vid",
1531 cx88_vid_irqs, ARRAY_SIZE(cx88_vid_irqs),
1532 status, mask);
1533
1534 /* risc op code error */
1535 if (status & (1 << 16)) {
1536 printk(KERN_WARNING "%s/0: video risc op code error\n",core->name);
1537 cx_clear(MO_VID_DMACNTRL, 0x11);
1538 cx_clear(VID_CAPTURE_CONTROL, 0x06);
1539 cx88_sram_channel_dump(core, &cx88_sram_channels[SRAM_CH21]);
1540 }
1541
1542 /* risc1 y */
1543 if (status & 0x01) {
1544 spin_lock(&dev->slock);
1545 count = cx_read(MO_VIDY_GPCNT);
1546 cx88_wakeup(core, &dev->vidq, count);
1547 spin_unlock(&dev->slock);
1548 }
1549
1550 /* risc1 vbi */
1551 if (status & 0x08) {
1552 spin_lock(&dev->slock);
1553 count = cx_read(MO_VBI_GPCNT);
1554 cx88_wakeup(core, &dev->vbiq, count);
1555 spin_unlock(&dev->slock);
1556 }
1557
1558 /* risc2 y */
1559 if (status & 0x10) {
1560 dprintk(2,"stopper video\n");
1561 spin_lock(&dev->slock);
1562 restart_video_queue(dev,&dev->vidq);
1563 spin_unlock(&dev->slock);
1564 }
1565
1566 /* risc2 vbi */
1567 if (status & 0x80) {
1568 dprintk(2,"stopper vbi\n");
1569 spin_lock(&dev->slock);
1570 cx8800_restart_vbi_queue(dev,&dev->vbiq);
1571 spin_unlock(&dev->slock);
1572 }
1573 }
1574
1575 static irqreturn_t cx8800_irq(int irq, void *dev_id)
1576 {
1577 struct cx8800_dev *dev = dev_id;
1578 struct cx88_core *core = dev->core;
1579 u32 status;
1580 int loop, handled = 0;
1581
1582 for (loop = 0; loop < 10; loop++) {
1583 status = cx_read(MO_PCI_INTSTAT) &
1584 (core->pci_irqmask | PCI_INT_VIDINT);
1585 if (0 == status)
1586 goto out;
1587 cx_write(MO_PCI_INTSTAT, status);
1588 handled = 1;
1589
1590 if (status & core->pci_irqmask)
1591 cx88_core_irq(core,status);
1592 if (status & PCI_INT_VIDINT)
1593 cx8800_vid_irq(dev);
1594 };
1595 if (10 == loop) {
1596 printk(KERN_WARNING "%s/0: irq loop -- clearing mask\n",
1597 core->name);
1598 cx_write(MO_PCI_INTMSK,0);
1599 }
1600
1601 out:
1602 return IRQ_RETVAL(handled);
1603 }
1604
1605 /* ----------------------------------------------------------- */
1606 /* exported stuff */
1607
1608 static const struct file_operations video_fops =
1609 {
1610 .owner = THIS_MODULE,
1611 .open = video_open,
1612 .release = video_release,
1613 .read = video_read,
1614 .poll = video_poll,
1615 .mmap = video_mmap,
1616 .ioctl = video_ioctl2,
1617 .compat_ioctl = v4l_compat_ioctl32,
1618 .llseek = no_llseek,
1619 };
1620
1621 static struct video_device cx8800_vbi_template;
1622 static struct video_device cx8800_video_template =
1623 {
1624 .name = "cx8800-video",
1625 .type = VID_TYPE_CAPTURE|VID_TYPE_TUNER|VID_TYPE_SCALES,
1626 .fops = &video_fops,
1627 .minor = -1,
1628 .vidioc_querycap = vidioc_querycap,
1629 .vidioc_enum_fmt_cap = vidioc_enum_fmt_cap,
1630 .vidioc_g_fmt_cap = vidioc_g_fmt_cap,
1631 .vidioc_try_fmt_cap = vidioc_try_fmt_cap,
1632 .vidioc_s_fmt_cap = vidioc_s_fmt_cap,
1633 .vidioc_g_fmt_vbi = cx8800_vbi_fmt,
1634 .vidioc_try_fmt_vbi = cx8800_vbi_fmt,
1635 .vidioc_s_fmt_vbi = cx8800_vbi_fmt,
1636 .vidioc_reqbufs = vidioc_reqbufs,
1637 .vidioc_querybuf = vidioc_querybuf,
1638 .vidioc_qbuf = vidioc_qbuf,
1639 .vidioc_dqbuf = vidioc_dqbuf,
1640 .vidioc_s_std = vidioc_s_std,
1641 .vidioc_enum_input = vidioc_enum_input,
1642 .vidioc_g_input = vidioc_g_input,
1643 .vidioc_s_input = vidioc_s_input,
1644 .vidioc_queryctrl = vidioc_queryctrl,
1645 .vidioc_g_ctrl = vidioc_g_ctrl,
1646 .vidioc_s_ctrl = vidioc_s_ctrl,
1647 .vidioc_streamon = vidioc_streamon,
1648 .vidioc_streamoff = vidioc_streamoff,
1649 #ifdef CONFIG_VIDEO_V4L1_COMPAT
1650 .vidiocgmbuf = vidiocgmbuf,
1651 #endif
1652 .vidioc_g_tuner = vidioc_g_tuner,
1653 .vidioc_s_tuner = vidioc_s_tuner,
1654 .vidioc_g_frequency = vidioc_g_frequency,
1655 .vidioc_s_frequency = vidioc_s_frequency,
1656 #ifdef CONFIG_VIDEO_ADV_DEBUG
1657 .vidioc_g_register = vidioc_g_register,
1658 .vidioc_s_register = vidioc_s_register,
1659 #endif
1660 .tvnorms = CX88_NORMS,
1661 .current_norm = V4L2_STD_NTSC_M,
1662 };
1663
1664 static const struct file_operations radio_fops =
1665 {
1666 .owner = THIS_MODULE,
1667 .open = video_open,
1668 .release = video_release,
1669 .ioctl = video_ioctl2,
1670 .compat_ioctl = v4l_compat_ioctl32,
1671 .llseek = no_llseek,
1672 };
1673
1674 static struct video_device cx8800_radio_template =
1675 {
1676 .name = "cx8800-radio",
1677 .type = VID_TYPE_TUNER,
1678 .hardware = 0,
1679 .fops = &radio_fops,
1680 .minor = -1,
1681 .vidioc_querycap = radio_querycap,
1682 .vidioc_g_tuner = radio_g_tuner,
1683 .vidioc_enum_input = radio_enum_input,
1684 .vidioc_g_audio = radio_g_audio,
1685 .vidioc_s_tuner = radio_s_tuner,
1686 .vidioc_s_audio = radio_s_audio,
1687 .vidioc_s_input = radio_s_input,
1688 .vidioc_queryctrl = radio_queryctrl,
1689 .vidioc_g_ctrl = vidioc_g_ctrl,
1690 .vidioc_s_ctrl = vidioc_s_ctrl,
1691 .vidioc_g_frequency = vidioc_g_frequency,
1692 .vidioc_s_frequency = vidioc_s_frequency,
1693 #ifdef CONFIG_VIDEO_ADV_DEBUG
1694 .vidioc_g_register = vidioc_g_register,
1695 .vidioc_s_register = vidioc_s_register,
1696 #endif
1697 };
1698
1699 /* ----------------------------------------------------------- */
1700
1701 static void cx8800_unregister_video(struct cx8800_dev *dev)
1702 {
1703 if (dev->radio_dev) {
1704 if (-1 != dev->radio_dev->minor)
1705 video_unregister_device(dev->radio_dev);
1706 else
1707 video_device_release(dev->radio_dev);
1708 dev->radio_dev = NULL;
1709 }
1710 if (dev->vbi_dev) {
1711 if (-1 != dev->vbi_dev->minor)
1712 video_unregister_device(dev->vbi_dev);
1713 else
1714 video_device_release(dev->vbi_dev);
1715 dev->vbi_dev = NULL;
1716 }
1717 if (dev->video_dev) {
1718 if (-1 != dev->video_dev->minor)
1719 video_unregister_device(dev->video_dev);
1720 else
1721 video_device_release(dev->video_dev);
1722 dev->video_dev = NULL;
1723 }
1724 }
1725
1726 static int __devinit cx8800_initdev(struct pci_dev *pci_dev,
1727 const struct pci_device_id *pci_id)
1728 {
1729 struct cx8800_dev *dev;
1730 struct cx88_core *core;
1731
1732 int err;
1733
1734 dev = kzalloc(sizeof(*dev),GFP_KERNEL);
1735 if (NULL == dev)
1736 return -ENOMEM;
1737
1738 /* pci init */
1739 dev->pci = pci_dev;
1740 if (pci_enable_device(pci_dev)) {
1741 err = -EIO;
1742 goto fail_free;
1743 }
1744 core = cx88_core_get(dev->pci);
1745 if (NULL == core) {
1746 err = -EINVAL;
1747 goto fail_free;
1748 }
1749 dev->core = core;
1750
1751 /* print pci info */
1752 pci_read_config_byte(pci_dev, PCI_CLASS_REVISION, &dev->pci_rev);
1753 pci_read_config_byte(pci_dev, PCI_LATENCY_TIMER, &dev->pci_lat);
1754 printk(KERN_INFO "%s/0: found at %s, rev: %d, irq: %d, "
1755 "latency: %d, mmio: 0x%llx\n", core->name,
1756 pci_name(pci_dev), dev->pci_rev, pci_dev->irq,
1757 dev->pci_lat,(unsigned long long)pci_resource_start(pci_dev,0));
1758
1759 pci_set_master(pci_dev);
1760 if (!pci_dma_supported(pci_dev,DMA_32BIT_MASK)) {
1761 printk("%s/0: Oops: no 32bit PCI DMA ???\n",core->name);
1762 err = -EIO;
1763 goto fail_core;
1764 }
1765
1766 /* Initialize VBI template */
1767 memcpy( &cx8800_vbi_template, &cx8800_video_template,
1768 sizeof(cx8800_vbi_template) );
1769 strcpy(cx8800_vbi_template.name,"cx8800-vbi");
1770 cx8800_vbi_template.type = VID_TYPE_TELETEXT|VID_TYPE_TUNER;
1771
1772 /* initialize driver struct */
1773 spin_lock_init(&dev->slock);
1774 core->tvnorm = cx8800_video_template.current_norm;
1775
1776 /* init video dma queues */
1777 INIT_LIST_HEAD(&dev->vidq.active);
1778 INIT_LIST_HEAD(&dev->vidq.queued);
1779 dev->vidq.timeout.function = cx8800_vid_timeout;
1780 dev->vidq.timeout.data = (unsigned long)dev;
1781 init_timer(&dev->vidq.timeout);
1782 cx88_risc_stopper(dev->pci,&dev->vidq.stopper,
1783 MO_VID_DMACNTRL,0x11,0x00);
1784
1785 /* init vbi dma queues */
1786 INIT_LIST_HEAD(&dev->vbiq.active);
1787 INIT_LIST_HEAD(&dev->vbiq.queued);
1788 dev->vbiq.timeout.function = cx8800_vbi_timeout;
1789 dev->vbiq.timeout.data = (unsigned long)dev;
1790 init_timer(&dev->vbiq.timeout);
1791 cx88_risc_stopper(dev->pci,&dev->vbiq.stopper,
1792 MO_VID_DMACNTRL,0x88,0x00);
1793
1794 /* get irq */
1795 err = request_irq(pci_dev->irq, cx8800_irq,
1796 IRQF_SHARED | IRQF_DISABLED, core->name, dev);
1797 if (err < 0) {
1798 printk(KERN_ERR "%s/0: can't get IRQ %d\n",
1799 core->name,pci_dev->irq);
1800 goto fail_core;
1801 }
1802 cx_set(MO_PCI_INTMSK, core->pci_irqmask);
1803
1804 /* load and configure helper modules */
1805 if (TUNER_ABSENT != core->board.tuner_type)
1806 request_module("tuner");
1807
1808 if (core->board.audio_chip == AUDIO_CHIP_WM8775)
1809 request_module("wm8775");
1810
1811 switch (core->boardnr) {
1812 case CX88_BOARD_DVICO_FUSIONHDTV_5_GOLD:
1813 request_module("ir-kbd-i2c");
1814 request_module("rtc-isl1208");
1815 }
1816
1817 /* register v4l devices */
1818 dev->video_dev = cx88_vdev_init(core,dev->pci,
1819 &cx8800_video_template,"video");
1820 err = video_register_device(dev->video_dev,VFL_TYPE_GRABBER,
1821 video_nr[core->nr]);
1822 if (err < 0) {
1823 printk(KERN_ERR "%s/0: can't register video device\n",
1824 core->name);
1825 goto fail_unreg;
1826 }
1827 printk(KERN_INFO "%s/0: registered device video%d [v4l2]\n",
1828 core->name,dev->video_dev->minor & 0x1f);
1829
1830 dev->vbi_dev = cx88_vdev_init(core,dev->pci,&cx8800_vbi_template,"vbi");
1831 err = video_register_device(dev->vbi_dev,VFL_TYPE_VBI,
1832 vbi_nr[core->nr]);
1833 if (err < 0) {
1834 printk(KERN_ERR "%s/0: can't register vbi device\n",
1835 core->name);
1836 goto fail_unreg;
1837 }
1838 printk(KERN_INFO "%s/0: registered device vbi%d\n",
1839 core->name,dev->vbi_dev->minor & 0x1f);
1840
1841 if (core->board.radio.type == CX88_RADIO) {
1842 dev->radio_dev = cx88_vdev_init(core,dev->pci,
1843 &cx8800_radio_template,"radio");
1844 err = video_register_device(dev->radio_dev,VFL_TYPE_RADIO,
1845 radio_nr[core->nr]);
1846 if (err < 0) {
1847 printk(KERN_ERR "%s/0: can't register radio device\n",
1848 core->name);
1849 goto fail_unreg;
1850 }
1851 printk(KERN_INFO "%s/0: registered device radio%d\n",
1852 core->name,dev->radio_dev->minor & 0x1f);
1853 }
1854
1855 /* everything worked */
1856 list_add_tail(&dev->devlist,&cx8800_devlist);
1857 pci_set_drvdata(pci_dev,dev);
1858
1859 /* initial device configuration */
1860 mutex_lock(&core->lock);
1861 cx88_set_tvnorm(core,core->tvnorm);
1862 init_controls(core);
1863 cx88_video_mux(core,0);
1864 mutex_unlock(&core->lock);
1865
1866 /* start tvaudio thread */
1867 if (core->board.tuner_type != TUNER_ABSENT) {
1868 core->kthread = kthread_run(cx88_audio_thread, core, "cx88 tvaudio");
1869 if (IS_ERR(core->kthread)) {
1870 err = PTR_ERR(core->kthread);
1871 printk(KERN_ERR "%s/0: failed to create cx88 audio thread, err=%d\n",
1872 core->name, err);
1873 }
1874 }
1875 return 0;
1876
1877 fail_unreg:
1878 cx8800_unregister_video(dev);
1879 free_irq(pci_dev->irq, dev);
1880 fail_core:
1881 cx88_core_put(core,dev->pci);
1882 fail_free:
1883 kfree(dev);
1884 return err;
1885 }
1886
1887 static void __devexit cx8800_finidev(struct pci_dev *pci_dev)
1888 {
1889 struct cx8800_dev *dev = pci_get_drvdata(pci_dev);
1890 struct cx88_core *core = dev->core;
1891
1892 /* stop thread */
1893 if (core->kthread) {
1894 kthread_stop(core->kthread);
1895 core->kthread = NULL;
1896 }
1897
1898 cx88_shutdown(core); /* FIXME */
1899 pci_disable_device(pci_dev);
1900
1901 /* unregister stuff */
1902
1903 free_irq(pci_dev->irq, dev);
1904 cx8800_unregister_video(dev);
1905 pci_set_drvdata(pci_dev, NULL);
1906
1907 /* free memory */
1908 btcx_riscmem_free(dev->pci,&dev->vidq.stopper);
1909 list_del(&dev->devlist);
1910 cx88_core_put(core,dev->pci);
1911 kfree(dev);
1912 }
1913
1914 #ifdef CONFIG_PM
1915 static int cx8800_suspend(struct pci_dev *pci_dev, pm_message_t state)
1916 {
1917 struct cx8800_dev *dev = pci_get_drvdata(pci_dev);
1918 struct cx88_core *core = dev->core;
1919
1920 /* stop video+vbi capture */
1921 spin_lock(&dev->slock);
1922 if (!list_empty(&dev->vidq.active)) {
1923 printk("%s/0: suspend video\n", core->name);
1924 stop_video_dma(dev);
1925 del_timer(&dev->vidq.timeout);
1926 }
1927 if (!list_empty(&dev->vbiq.active)) {
1928 printk("%s/0: suspend vbi\n", core->name);
1929 cx8800_stop_vbi_dma(dev);
1930 del_timer(&dev->vbiq.timeout);
1931 }
1932 spin_unlock(&dev->slock);
1933
1934 if (core->ir)
1935 cx88_ir_stop(core, core->ir);
1936 /* FIXME -- shutdown device */
1937 cx88_shutdown(core);
1938
1939 pci_save_state(pci_dev);
1940 if (0 != pci_set_power_state(pci_dev, pci_choose_state(pci_dev, state))) {
1941 pci_disable_device(pci_dev);
1942 dev->state.disabled = 1;
1943 }
1944 return 0;
1945 }
1946
1947 static int cx8800_resume(struct pci_dev *pci_dev)
1948 {
1949 struct cx8800_dev *dev = pci_get_drvdata(pci_dev);
1950 struct cx88_core *core = dev->core;
1951 int err;
1952
1953 if (dev->state.disabled) {
1954 err=pci_enable_device(pci_dev);
1955 if (err) {
1956 printk(KERN_ERR "%s/0: can't enable device\n",
1957 core->name);
1958 return err;
1959 }
1960
1961 dev->state.disabled = 0;
1962 }
1963 err= pci_set_power_state(pci_dev, PCI_D0);
1964 if (err) {
1965 printk(KERN_ERR "%s/0: can't set power state\n", core->name);
1966 pci_disable_device(pci_dev);
1967 dev->state.disabled = 1;
1968
1969 return err;
1970 }
1971 pci_restore_state(pci_dev);
1972
1973 /* FIXME: re-initialize hardware */
1974 cx88_reset(core);
1975 if (core->ir)
1976 cx88_ir_start(core, core->ir);
1977
1978 cx_set(MO_PCI_INTMSK, core->pci_irqmask);
1979
1980 /* restart video+vbi capture */
1981 spin_lock(&dev->slock);
1982 if (!list_empty(&dev->vidq.active)) {
1983 printk("%s/0: resume video\n", core->name);
1984 restart_video_queue(dev,&dev->vidq);
1985 }
1986 if (!list_empty(&dev->vbiq.active)) {
1987 printk("%s/0: resume vbi\n", core->name);
1988 cx8800_restart_vbi_queue(dev,&dev->vbiq);
1989 }
1990 spin_unlock(&dev->slock);
1991
1992 return 0;
1993 }
1994 #endif
1995
1996 /* ----------------------------------------------------------- */
1997
1998 static struct pci_device_id cx8800_pci_tbl[] = {
1999 {
2000 .vendor = 0x14f1,
2001 .device = 0x8800,
2002 .subvendor = PCI_ANY_ID,
2003 .subdevice = PCI_ANY_ID,
2004 },{
2005 /* --- end of list --- */
2006 }
2007 };
2008 MODULE_DEVICE_TABLE(pci, cx8800_pci_tbl);
2009
2010 static struct pci_driver cx8800_pci_driver = {
2011 .name = "cx8800",
2012 .id_table = cx8800_pci_tbl,
2013 .probe = cx8800_initdev,
2014 .remove = __devexit_p(cx8800_finidev),
2015 #ifdef CONFIG_PM
2016 .suspend = cx8800_suspend,
2017 .resume = cx8800_resume,
2018 #endif
2019 };
2020
2021 static int cx8800_init(void)
2022 {
2023 printk(KERN_INFO "cx88/0: cx2388x v4l2 driver version %d.%d.%d loaded\n",
2024 (CX88_VERSION_CODE >> 16) & 0xff,
2025 (CX88_VERSION_CODE >> 8) & 0xff,
2026 CX88_VERSION_CODE & 0xff);
2027 #ifdef SNAPSHOT
2028 printk(KERN_INFO "cx2388x: snapshot date %04d-%02d-%02d\n",
2029 SNAPSHOT/10000, (SNAPSHOT/100)%100, SNAPSHOT%100);
2030 #endif
2031 return pci_register_driver(&cx8800_pci_driver);
2032 }
2033
2034 static void cx8800_fini(void)
2035 {
2036 pci_unregister_driver(&cx8800_pci_driver);
2037 }
2038
2039 module_init(cx8800_init);
2040 module_exit(cx8800_fini);
2041
2042 /* ----------------------------------------------------------- */
2043 /*
2044 * Local variables:
2045 * c-basic-offset: 8
2046 * End:
2047 * kate: eol "unix"; indent-width 3; remove-trailing-space on; replace-trailing-space-save on; tab-width 8; replace-tabs off; space-indent off; mixed-indent off
2048 */
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