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V4L/DVB (11784): cx88: Fix race condition between cx8800 startup and hald
[linux-2.6/linux-acpi-2.6/ibm-acpi-2.6.git] / drivers / media / video / cx88 / cx88-video.c
blobd6d6d13a6a6bc42214eefec0fbcc46fda280c1d0
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 #include <media/v4l2-ioctl.h>
43
44 MODULE_DESCRIPTION("v4l2 driver module for cx2388x based TV cards");
45 MODULE_AUTHOR("Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]");
46 MODULE_LICENSE("GPL");
47
48 /* ------------------------------------------------------------------ */
49
50 static unsigned int video_nr[] = {[0 ... (CX88_MAXBOARDS - 1)] = UNSET };
51 static unsigned int vbi_nr[] = {[0 ... (CX88_MAXBOARDS - 1)] = UNSET };
52 static unsigned int radio_nr[] = {[0 ... (CX88_MAXBOARDS - 1)] = UNSET };
53
54 module_param_array(video_nr, int, NULL, 0444);
55 module_param_array(vbi_nr, int, NULL, 0444);
56 module_param_array(radio_nr, int, NULL, 0444);
57
58 MODULE_PARM_DESC(video_nr,"video device numbers");
59 MODULE_PARM_DESC(vbi_nr,"vbi device numbers");
60 MODULE_PARM_DESC(radio_nr,"radio device numbers");
61
62 static unsigned int video_debug;
63 module_param(video_debug,int,0644);
64 MODULE_PARM_DESC(video_debug,"enable debug messages [video]");
65
66 static unsigned int irq_debug;
67 module_param(irq_debug,int,0644);
68 MODULE_PARM_DESC(irq_debug,"enable debug messages [IRQ handler]");
69
70 static unsigned int vid_limit = 16;
71 module_param(vid_limit,int,0644);
72 MODULE_PARM_DESC(vid_limit,"capture memory limit in megabytes");
73
74 #define dprintk(level,fmt, arg...) if (video_debug >= level) \
75 printk(KERN_DEBUG "%s/0: " fmt, core->name , ## arg)
76
77 /* ------------------------------------------------------------------ */
78
79 static LIST_HEAD(cx8800_devlist);
80
81 /* ------------------------------------------------------------------- */
82 /* static data */
83
84 static struct cx8800_fmt formats[] = {
85 {
86 .name = "8 bpp, gray",
87 .fourcc = V4L2_PIX_FMT_GREY,
88 .cxformat = ColorFormatY8,
89 .depth = 8,
90 .flags = FORMAT_FLAGS_PACKED,
91 },{
92 .name = "15 bpp RGB, le",
93 .fourcc = V4L2_PIX_FMT_RGB555,
94 .cxformat = ColorFormatRGB15,
95 .depth = 16,
96 .flags = FORMAT_FLAGS_PACKED,
97 },{
98 .name = "15 bpp RGB, be",
99 .fourcc = V4L2_PIX_FMT_RGB555X,
100 .cxformat = ColorFormatRGB15 | ColorFormatBSWAP,
101 .depth = 16,
102 .flags = FORMAT_FLAGS_PACKED,
103 },{
104 .name = "16 bpp RGB, le",
105 .fourcc = V4L2_PIX_FMT_RGB565,
106 .cxformat = ColorFormatRGB16,
107 .depth = 16,
108 .flags = FORMAT_FLAGS_PACKED,
109 },{
110 .name = "16 bpp RGB, be",
111 .fourcc = V4L2_PIX_FMT_RGB565X,
112 .cxformat = ColorFormatRGB16 | ColorFormatBSWAP,
113 .depth = 16,
114 .flags = FORMAT_FLAGS_PACKED,
115 },{
116 .name = "24 bpp RGB, le",
117 .fourcc = V4L2_PIX_FMT_BGR24,
118 .cxformat = ColorFormatRGB24,
119 .depth = 24,
120 .flags = FORMAT_FLAGS_PACKED,
121 },{
122 .name = "32 bpp RGB, le",
123 .fourcc = V4L2_PIX_FMT_BGR32,
124 .cxformat = ColorFormatRGB32,
125 .depth = 32,
126 .flags = FORMAT_FLAGS_PACKED,
127 },{
128 .name = "32 bpp RGB, be",
129 .fourcc = V4L2_PIX_FMT_RGB32,
130 .cxformat = ColorFormatRGB32 | ColorFormatBSWAP | ColorFormatWSWAP,
131 .depth = 32,
132 .flags = FORMAT_FLAGS_PACKED,
133 },{
134 .name = "4:2:2, packed, YUYV",
135 .fourcc = V4L2_PIX_FMT_YUYV,
136 .cxformat = ColorFormatYUY2,
137 .depth = 16,
138 .flags = FORMAT_FLAGS_PACKED,
139 },{
140 .name = "4:2:2, packed, UYVY",
141 .fourcc = V4L2_PIX_FMT_UYVY,
142 .cxformat = ColorFormatYUY2 | ColorFormatBSWAP,
143 .depth = 16,
144 .flags = FORMAT_FLAGS_PACKED,
145 },
146 };
147
148 static struct cx8800_fmt* format_by_fourcc(unsigned int fourcc)
149 {
150 unsigned int i;
151
152 for (i = 0; i < ARRAY_SIZE(formats); i++)
153 if (formats[i].fourcc == fourcc)
154 return formats+i;
155 return NULL;
156 }
157
158 /* ------------------------------------------------------------------- */
159
160 static const struct v4l2_queryctrl no_ctl = {
161 .name = "42",
162 .flags = V4L2_CTRL_FLAG_DISABLED,
163 };
164
165 static struct cx88_ctrl cx8800_ctls[] = {
166 /* --- video --- */
167 {
168 .v = {
169 .id = V4L2_CID_BRIGHTNESS,
170 .name = "Brightness",
171 .minimum = 0x00,
172 .maximum = 0xff,
173 .step = 1,
174 .default_value = 0x7f,
175 .type = V4L2_CTRL_TYPE_INTEGER,
176 },
177 .off = 128,
178 .reg = MO_CONTR_BRIGHT,
179 .mask = 0x00ff,
180 .shift = 0,
181 },{
182 .v = {
183 .id = V4L2_CID_CONTRAST,
184 .name = "Contrast",
185 .minimum = 0,
186 .maximum = 0xff,
187 .step = 1,
188 .default_value = 0x3f,
189 .type = V4L2_CTRL_TYPE_INTEGER,
190 },
191 .off = 0,
192 .reg = MO_CONTR_BRIGHT,
193 .mask = 0xff00,
194 .shift = 8,
195 },{
196 .v = {
197 .id = V4L2_CID_HUE,
198 .name = "Hue",
199 .minimum = 0,
200 .maximum = 0xff,
201 .step = 1,
202 .default_value = 0x7f,
203 .type = V4L2_CTRL_TYPE_INTEGER,
204 },
205 .off = 128,
206 .reg = MO_HUE,
207 .mask = 0x00ff,
208 .shift = 0,
209 },{
210 /* strictly, this only describes only U saturation.
211 * V saturation is handled specially through code.
212 */
213 .v = {
214 .id = V4L2_CID_SATURATION,
215 .name = "Saturation",
216 .minimum = 0,
217 .maximum = 0xff,
218 .step = 1,
219 .default_value = 0x7f,
220 .type = V4L2_CTRL_TYPE_INTEGER,
221 },
222 .off = 0,
223 .reg = MO_UV_SATURATION,
224 .mask = 0x00ff,
225 .shift = 0,
226 },{
227 .v = {
228 .id = V4L2_CID_CHROMA_AGC,
229 .name = "Chroma AGC",
230 .minimum = 0,
231 .maximum = 1,
232 .default_value = 0x1,
233 .type = V4L2_CTRL_TYPE_BOOLEAN,
234 },
235 .reg = MO_INPUT_FORMAT,
236 .mask = 1 << 10,
237 .shift = 10,
238 }, {
239 .v = {
240 .id = V4L2_CID_COLOR_KILLER,
241 .name = "Color killer",
242 .minimum = 0,
243 .maximum = 1,
244 .default_value = 0x1,
245 .type = V4L2_CTRL_TYPE_BOOLEAN,
246 },
247 .reg = MO_INPUT_FORMAT,
248 .mask = 1 << 9,
249 .shift = 9,
250 }, {
251 /* --- audio --- */
252 .v = {
253 .id = V4L2_CID_AUDIO_MUTE,
254 .name = "Mute",
255 .minimum = 0,
256 .maximum = 1,
257 .default_value = 1,
258 .type = V4L2_CTRL_TYPE_BOOLEAN,
259 },
260 .reg = AUD_VOL_CTL,
261 .sreg = SHADOW_AUD_VOL_CTL,
262 .mask = (1 << 6),
263 .shift = 6,
264 },{
265 .v = {
266 .id = V4L2_CID_AUDIO_VOLUME,
267 .name = "Volume",
268 .minimum = 0,
269 .maximum = 0x3f,
270 .step = 1,
271 .default_value = 0x3f,
272 .type = V4L2_CTRL_TYPE_INTEGER,
273 },
274 .reg = AUD_VOL_CTL,
275 .sreg = SHADOW_AUD_VOL_CTL,
276 .mask = 0x3f,
277 .shift = 0,
278 },{
279 .v = {
280 .id = V4L2_CID_AUDIO_BALANCE,
281 .name = "Balance",
282 .minimum = 0,
283 .maximum = 0x7f,
284 .step = 1,
285 .default_value = 0x40,
286 .type = V4L2_CTRL_TYPE_INTEGER,
287 },
288 .reg = AUD_BAL_CTL,
289 .sreg = SHADOW_AUD_BAL_CTL,
290 .mask = 0x7f,
291 .shift = 0,
292 }
293 };
294 static const int CX8800_CTLS = ARRAY_SIZE(cx8800_ctls);
295
296 /* Must be sorted from low to high control ID! */
297 const u32 cx88_user_ctrls[] = {
298 V4L2_CID_USER_CLASS,
299 V4L2_CID_BRIGHTNESS,
300 V4L2_CID_CONTRAST,
301 V4L2_CID_SATURATION,
302 V4L2_CID_HUE,
303 V4L2_CID_AUDIO_VOLUME,
304 V4L2_CID_AUDIO_BALANCE,
305 V4L2_CID_AUDIO_MUTE,
306 V4L2_CID_CHROMA_AGC,
307 V4L2_CID_COLOR_KILLER,
308 0
309 };
310 EXPORT_SYMBOL(cx88_user_ctrls);
311
312 static const u32 *ctrl_classes[] = {
313 cx88_user_ctrls,
314 NULL
315 };
316
317 int cx8800_ctrl_query(struct cx88_core *core, struct v4l2_queryctrl *qctrl)
318 {
319 int i;
320
321 if (qctrl->id < V4L2_CID_BASE ||
322 qctrl->id >= V4L2_CID_LASTP1)
323 return -EINVAL;
324 for (i = 0; i < CX8800_CTLS; i++)
325 if (cx8800_ctls[i].v.id == qctrl->id)
326 break;
327 if (i == CX8800_CTLS) {
328 *qctrl = no_ctl;
329 return 0;
330 }
331 *qctrl = cx8800_ctls[i].v;
332 /* Report chroma AGC as inactive when SECAM is selected */
333 if (cx8800_ctls[i].v.id == V4L2_CID_CHROMA_AGC &&
334 core->tvnorm & V4L2_STD_SECAM)
335 qctrl->flags |= V4L2_CTRL_FLAG_INACTIVE;
336
337 return 0;
338 }
339 EXPORT_SYMBOL(cx8800_ctrl_query);
340
341 /* ------------------------------------------------------------------- */
342 /* resource management */
343
344 static int res_get(struct cx8800_dev *dev, struct cx8800_fh *fh, unsigned int bit)
345 {
346 struct cx88_core *core = dev->core;
347 if (fh->resources & bit)
348 /* have it already allocated */
349 return 1;
350
351 /* is it free? */
352 mutex_lock(&core->lock);
353 if (dev->resources & bit) {
354 /* no, someone else uses it */
355 mutex_unlock(&core->lock);
356 return 0;
357 }
358 /* it's free, grab it */
359 fh->resources |= bit;
360 dev->resources |= bit;
361 dprintk(1,"res: get %d\n",bit);
362 mutex_unlock(&core->lock);
363 return 1;
364 }
365
366 static
367 int res_check(struct cx8800_fh *fh, unsigned int bit)
368 {
369 return (fh->resources & bit);
370 }
371
372 static
373 int res_locked(struct cx8800_dev *dev, unsigned int bit)
374 {
375 return (dev->resources & bit);
376 }
377
378 static
379 void res_free(struct cx8800_dev *dev, struct cx8800_fh *fh, unsigned int bits)
380 {
381 struct cx88_core *core = dev->core;
382 BUG_ON((fh->resources & bits) != bits);
383
384 mutex_lock(&core->lock);
385 fh->resources &= ~bits;
386 dev->resources &= ~bits;
387 dprintk(1,"res: put %d\n",bits);
388 mutex_unlock(&core->lock);
389 }
390
391 /* ------------------------------------------------------------------ */
392
393 int cx88_video_mux(struct cx88_core *core, unsigned int input)
394 {
395 /* struct cx88_core *core = dev->core; */
396
397 dprintk(1,"video_mux: %d [vmux=%d,gpio=0x%x,0x%x,0x%x,0x%x]\n",
398 input, INPUT(input).vmux,
399 INPUT(input).gpio0,INPUT(input).gpio1,
400 INPUT(input).gpio2,INPUT(input).gpio3);
401 core->input = input;
402 cx_andor(MO_INPUT_FORMAT, 0x03 << 14, INPUT(input).vmux << 14);
403 cx_write(MO_GP3_IO, INPUT(input).gpio3);
404 cx_write(MO_GP0_IO, INPUT(input).gpio0);
405 cx_write(MO_GP1_IO, INPUT(input).gpio1);
406 cx_write(MO_GP2_IO, INPUT(input).gpio2);
407
408 switch (INPUT(input).type) {
409 case CX88_VMUX_SVIDEO:
410 cx_set(MO_AFECFG_IO, 0x00000001);
411 cx_set(MO_INPUT_FORMAT, 0x00010010);
412 cx_set(MO_FILTER_EVEN, 0x00002020);
413 cx_set(MO_FILTER_ODD, 0x00002020);
414 break;
415 default:
416 cx_clear(MO_AFECFG_IO, 0x00000001);
417 cx_clear(MO_INPUT_FORMAT, 0x00010010);
418 cx_clear(MO_FILTER_EVEN, 0x00002020);
419 cx_clear(MO_FILTER_ODD, 0x00002020);
420 break;
421 }
422
423 /* if there are audioroutes defined, we have an external
424 ADC to deal with audio */
425 if (INPUT(input).audioroute) {
426 /* The wm8775 module has the "2" route hardwired into
427 the initialization. Some boards may use different
428 routes for different inputs. HVR-1300 surely does */
429 if (core->board.audio_chip &&
430 core->board.audio_chip == V4L2_IDENT_WM8775) {
431 call_all(core, audio, s_routing,
432 INPUT(input).audioroute, 0, 0);
433 }
434 /* cx2388's C-ADC is connected to the tuner only.
435 When used with S-Video, that ADC is busy dealing with
436 chroma, so an external must be used for baseband audio */
437 if (INPUT(input).type != CX88_VMUX_TELEVISION ) {
438 /* "I2S ADC mode" */
439 core->tvaudio = WW_I2SADC;
440 cx88_set_tvaudio(core);
441 } else {
442 /* Normal mode */
443 cx_write(AUD_I2SCNTL, 0x0);
444 cx_clear(AUD_CTL, EN_I2SIN_ENABLE);
445 }
446 }
447
448 return 0;
449 }
450 EXPORT_SYMBOL(cx88_video_mux);
451
452 /* ------------------------------------------------------------------ */
453
454 static int start_video_dma(struct cx8800_dev *dev,
455 struct cx88_dmaqueue *q,
456 struct cx88_buffer *buf)
457 {
458 struct cx88_core *core = dev->core;
459
460 /* setup fifo + format */
461 cx88_sram_channel_setup(core, &cx88_sram_channels[SRAM_CH21],
462 buf->bpl, buf->risc.dma);
463 cx88_set_scale(core, buf->vb.width, buf->vb.height, buf->vb.field);
464 cx_write(MO_COLOR_CTRL, buf->fmt->cxformat | ColorFormatGamma);
465
466 /* reset counter */
467 cx_write(MO_VIDY_GPCNTRL,GP_COUNT_CONTROL_RESET);
468 q->count = 1;
469
470 /* enable irqs */
471 cx_set(MO_PCI_INTMSK, core->pci_irqmask | PCI_INT_VIDINT);
472
473 /* Enables corresponding bits at PCI_INT_STAT:
474 bits 0 to 4: video, audio, transport stream, VIP, Host
475 bit 7: timer
476 bits 8 and 9: DMA complete for: SRC, DST
477 bits 10 and 11: BERR signal asserted for RISC: RD, WR
478 bits 12 to 15: BERR signal asserted for: BRDG, SRC, DST, IPB
479 */
480 cx_set(MO_VID_INTMSK, 0x0f0011);
481
482 /* enable capture */
483 cx_set(VID_CAPTURE_CONTROL,0x06);
484
485 /* start dma */
486 cx_set(MO_DEV_CNTRL2, (1<<5));
487 cx_set(MO_VID_DMACNTRL, 0x11); /* Planar Y and packed FIFO and RISC enable */
488
489 return 0;
490 }
491
492 #ifdef CONFIG_PM
493 static int stop_video_dma(struct cx8800_dev *dev)
494 {
495 struct cx88_core *core = dev->core;
496
497 /* stop dma */
498 cx_clear(MO_VID_DMACNTRL, 0x11);
499
500 /* disable capture */
501 cx_clear(VID_CAPTURE_CONTROL,0x06);
502
503 /* disable irqs */
504 cx_clear(MO_PCI_INTMSK, PCI_INT_VIDINT);
505 cx_clear(MO_VID_INTMSK, 0x0f0011);
506 return 0;
507 }
508 #endif
509
510 static int restart_video_queue(struct cx8800_dev *dev,
511 struct cx88_dmaqueue *q)
512 {
513 struct cx88_core *core = dev->core;
514 struct cx88_buffer *buf, *prev;
515
516 if (!list_empty(&q->active)) {
517 buf = list_entry(q->active.next, struct cx88_buffer, vb.queue);
518 dprintk(2,"restart_queue [%p/%d]: restart dma\n",
519 buf, buf->vb.i);
520 start_video_dma(dev, q, buf);
521 list_for_each_entry(buf, &q->active, vb.queue)
522 buf->count = q->count++;
523 mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT);
524 return 0;
525 }
526
527 prev = NULL;
528 for (;;) {
529 if (list_empty(&q->queued))
530 return 0;
531 buf = list_entry(q->queued.next, struct cx88_buffer, vb.queue);
532 if (NULL == prev) {
533 list_move_tail(&buf->vb.queue, &q->active);
534 start_video_dma(dev, q, buf);
535 buf->vb.state = VIDEOBUF_ACTIVE;
536 buf->count = q->count++;
537 mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT);
538 dprintk(2,"[%p/%d] restart_queue - first active\n",
539 buf,buf->vb.i);
540
541 } else if (prev->vb.width == buf->vb.width &&
542 prev->vb.height == buf->vb.height &&
543 prev->fmt == buf->fmt) {
544 list_move_tail(&buf->vb.queue, &q->active);
545 buf->vb.state = VIDEOBUF_ACTIVE;
546 buf->count = q->count++;
547 prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma);
548 dprintk(2,"[%p/%d] restart_queue - move to active\n",
549 buf,buf->vb.i);
550 } else {
551 return 0;
552 }
553 prev = buf;
554 }
555 }
556
557 /* ------------------------------------------------------------------ */
558
559 static int
560 buffer_setup(struct videobuf_queue *q, unsigned int *count, unsigned int *size)
561 {
562 struct cx8800_fh *fh = q->priv_data;
563
564 *size = fh->fmt->depth*fh->width*fh->height >> 3;
565 if (0 == *count)
566 *count = 32;
567 while (*size * *count > vid_limit * 1024 * 1024)
568 (*count)--;
569 return 0;
570 }
571
572 static int
573 buffer_prepare(struct videobuf_queue *q, struct videobuf_buffer *vb,
574 enum v4l2_field field)
575 {
576 struct cx8800_fh *fh = q->priv_data;
577 struct cx8800_dev *dev = fh->dev;
578 struct cx88_core *core = dev->core;
579 struct cx88_buffer *buf = container_of(vb,struct cx88_buffer,vb);
580 struct videobuf_dmabuf *dma=videobuf_to_dma(&buf->vb);
581 int rc, init_buffer = 0;
582
583 BUG_ON(NULL == fh->fmt);
584 if (fh->width < 48 || fh->width > norm_maxw(core->tvnorm) ||
585 fh->height < 32 || fh->height > norm_maxh(core->tvnorm))
586 return -EINVAL;
587 buf->vb.size = (fh->width * fh->height * fh->fmt->depth) >> 3;
588 if (0 != buf->vb.baddr && buf->vb.bsize < buf->vb.size)
589 return -EINVAL;
590
591 if (buf->fmt != fh->fmt ||
592 buf->vb.width != fh->width ||
593 buf->vb.height != fh->height ||
594 buf->vb.field != field) {
595 buf->fmt = fh->fmt;
596 buf->vb.width = fh->width;
597 buf->vb.height = fh->height;
598 buf->vb.field = field;
599 init_buffer = 1;
600 }
601
602 if (VIDEOBUF_NEEDS_INIT == buf->vb.state) {
603 init_buffer = 1;
604 if (0 != (rc = videobuf_iolock(q,&buf->vb,NULL)))
605 goto fail;
606 }
607
608 if (init_buffer) {
609 buf->bpl = buf->vb.width * buf->fmt->depth >> 3;
610 switch (buf->vb.field) {
611 case V4L2_FIELD_TOP:
612 cx88_risc_buffer(dev->pci, &buf->risc,
613 dma->sglist, 0, UNSET,
614 buf->bpl, 0, buf->vb.height);
615 break;
616 case V4L2_FIELD_BOTTOM:
617 cx88_risc_buffer(dev->pci, &buf->risc,
618 dma->sglist, UNSET, 0,
619 buf->bpl, 0, buf->vb.height);
620 break;
621 case V4L2_FIELD_INTERLACED:
622 cx88_risc_buffer(dev->pci, &buf->risc,
623 dma->sglist, 0, buf->bpl,
624 buf->bpl, buf->bpl,
625 buf->vb.height >> 1);
626 break;
627 case V4L2_FIELD_SEQ_TB:
628 cx88_risc_buffer(dev->pci, &buf->risc,
629 dma->sglist,
630 0, buf->bpl * (buf->vb.height >> 1),
631 buf->bpl, 0,
632 buf->vb.height >> 1);
633 break;
634 case V4L2_FIELD_SEQ_BT:
635 cx88_risc_buffer(dev->pci, &buf->risc,
636 dma->sglist,
637 buf->bpl * (buf->vb.height >> 1), 0,
638 buf->bpl, 0,
639 buf->vb.height >> 1);
640 break;
641 default:
642 BUG();
643 }
644 }
645 dprintk(2,"[%p/%d] buffer_prepare - %dx%d %dbpp \"%s\" - dma=0x%08lx\n",
646 buf, buf->vb.i,
647 fh->width, fh->height, fh->fmt->depth, fh->fmt->name,
648 (unsigned long)buf->risc.dma);
649
650 buf->vb.state = VIDEOBUF_PREPARED;
651 return 0;
652
653 fail:
654 cx88_free_buffer(q,buf);
655 return rc;
656 }
657
658 static void
659 buffer_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb)
660 {
661 struct cx88_buffer *buf = container_of(vb,struct cx88_buffer,vb);
662 struct cx88_buffer *prev;
663 struct cx8800_fh *fh = vq->priv_data;
664 struct cx8800_dev *dev = fh->dev;
665 struct cx88_core *core = dev->core;
666 struct cx88_dmaqueue *q = &dev->vidq;
667
668 /* add jump to stopper */
669 buf->risc.jmp[0] = cpu_to_le32(RISC_JUMP | RISC_IRQ1 | RISC_CNT_INC);
670 buf->risc.jmp[1] = cpu_to_le32(q->stopper.dma);
671
672 if (!list_empty(&q->queued)) {
673 list_add_tail(&buf->vb.queue,&q->queued);
674 buf->vb.state = VIDEOBUF_QUEUED;
675 dprintk(2,"[%p/%d] buffer_queue - append to queued\n",
676 buf, buf->vb.i);
677
678 } else if (list_empty(&q->active)) {
679 list_add_tail(&buf->vb.queue,&q->active);
680 start_video_dma(dev, q, buf);
681 buf->vb.state = VIDEOBUF_ACTIVE;
682 buf->count = q->count++;
683 mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT);
684 dprintk(2,"[%p/%d] buffer_queue - first active\n",
685 buf, buf->vb.i);
686
687 } else {
688 prev = list_entry(q->active.prev, struct cx88_buffer, vb.queue);
689 if (prev->vb.width == buf->vb.width &&
690 prev->vb.height == buf->vb.height &&
691 prev->fmt == buf->fmt) {
692 list_add_tail(&buf->vb.queue,&q->active);
693 buf->vb.state = VIDEOBUF_ACTIVE;
694 buf->count = q->count++;
695 prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma);
696 dprintk(2,"[%p/%d] buffer_queue - append to active\n",
697 buf, buf->vb.i);
698
699 } else {
700 list_add_tail(&buf->vb.queue,&q->queued);
701 buf->vb.state = VIDEOBUF_QUEUED;
702 dprintk(2,"[%p/%d] buffer_queue - first queued\n",
703 buf, buf->vb.i);
704 }
705 }
706 }
707
708 static void buffer_release(struct videobuf_queue *q, struct videobuf_buffer *vb)
709 {
710 struct cx88_buffer *buf = container_of(vb,struct cx88_buffer,vb);
711
712 cx88_free_buffer(q,buf);
713 }
714
715 static struct videobuf_queue_ops cx8800_video_qops = {
716 .buf_setup = buffer_setup,
717 .buf_prepare = buffer_prepare,
718 .buf_queue = buffer_queue,
719 .buf_release = buffer_release,
720 };
721
722 /* ------------------------------------------------------------------ */
723
724
725 /* ------------------------------------------------------------------ */
726
727 static struct videobuf_queue* get_queue(struct cx8800_fh *fh)
728 {
729 switch (fh->type) {
730 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
731 return &fh->vidq;
732 case V4L2_BUF_TYPE_VBI_CAPTURE:
733 return &fh->vbiq;
734 default:
735 BUG();
736 return NULL;
737 }
738 }
739
740 static int get_ressource(struct cx8800_fh *fh)
741 {
742 switch (fh->type) {
743 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
744 return RESOURCE_VIDEO;
745 case V4L2_BUF_TYPE_VBI_CAPTURE:
746 return RESOURCE_VBI;
747 default:
748 BUG();
749 return 0;
750 }
751 }
752
753 static int video_open(struct file *file)
754 {
755 int minor = video_devdata(file)->minor;
756 struct cx8800_dev *h,*dev = NULL;
757 struct cx88_core *core;
758 struct cx8800_fh *fh;
759 enum v4l2_buf_type type = 0;
760 int radio = 0;
761
762 lock_kernel();
763 list_for_each_entry(h, &cx8800_devlist, devlist) {
764 if (h->video_dev->minor == minor) {
765 dev = h;
766 type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
767 }
768 if (h->vbi_dev->minor == minor) {
769 dev = h;
770 type = V4L2_BUF_TYPE_VBI_CAPTURE;
771 }
772 if (h->radio_dev &&
773 h->radio_dev->minor == minor) {
774 radio = 1;
775 dev = h;
776 }
777 }
778 if (NULL == dev) {
779 unlock_kernel();
780 return -ENODEV;
781 }
782
783 core = dev->core;
784
785 dprintk(1,"open minor=%d radio=%d type=%s\n",
786 minor,radio,v4l2_type_names[type]);
787
788 /* allocate + initialize per filehandle data */
789 fh = kzalloc(sizeof(*fh),GFP_KERNEL);
790 if (NULL == fh) {
791 unlock_kernel();
792 return -ENOMEM;
793 }
794 file->private_data = fh;
795 fh->dev = dev;
796 fh->radio = radio;
797 fh->type = type;
798 fh->width = 320;
799 fh->height = 240;
800 fh->fmt = format_by_fourcc(V4L2_PIX_FMT_BGR24);
801
802 videobuf_queue_sg_init(&fh->vidq, &cx8800_video_qops,
803 &dev->pci->dev, &dev->slock,
804 V4L2_BUF_TYPE_VIDEO_CAPTURE,
805 V4L2_FIELD_INTERLACED,
806 sizeof(struct cx88_buffer),
807 fh);
808 videobuf_queue_sg_init(&fh->vbiq, &cx8800_vbi_qops,
809 &dev->pci->dev, &dev->slock,
810 V4L2_BUF_TYPE_VBI_CAPTURE,
811 V4L2_FIELD_SEQ_TB,
812 sizeof(struct cx88_buffer),
813 fh);
814
815 if (fh->radio) {
816 dprintk(1,"video_open: setting radio device\n");
817 cx_write(MO_GP3_IO, core->board.radio.gpio3);
818 cx_write(MO_GP0_IO, core->board.radio.gpio0);
819 cx_write(MO_GP1_IO, core->board.radio.gpio1);
820 cx_write(MO_GP2_IO, core->board.radio.gpio2);
821 if (core->board.radio.audioroute) {
822 if(core->board.audio_chip &&
823 core->board.audio_chip == V4L2_IDENT_WM8775) {
824 call_all(core, audio, s_routing,
825 core->board.radio.audioroute, 0, 0);
826 }
827 /* "I2S ADC mode" */
828 core->tvaudio = WW_I2SADC;
829 cx88_set_tvaudio(core);
830 } else {
831 /* FM Mode */
832 core->tvaudio = WW_FM;
833 cx88_set_tvaudio(core);
834 cx88_set_stereo(core,V4L2_TUNER_MODE_STEREO,1);
835 }
836 call_all(core, tuner, s_radio);
837 }
838 unlock_kernel();
839
840 atomic_inc(&core->users);
841
842 return 0;
843 }
844
845 static ssize_t
846 video_read(struct file *file, char __user *data, size_t count, loff_t *ppos)
847 {
848 struct cx8800_fh *fh = file->private_data;
849
850 switch (fh->type) {
851 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
852 if (res_locked(fh->dev,RESOURCE_VIDEO))
853 return -EBUSY;
854 return videobuf_read_one(&fh->vidq, data, count, ppos,
855 file->f_flags & O_NONBLOCK);
856 case V4L2_BUF_TYPE_VBI_CAPTURE:
857 if (!res_get(fh->dev,fh,RESOURCE_VBI))
858 return -EBUSY;
859 return videobuf_read_stream(&fh->vbiq, data, count, ppos, 1,
860 file->f_flags & O_NONBLOCK);
861 default:
862 BUG();
863 return 0;
864 }
865 }
866
867 static unsigned int
868 video_poll(struct file *file, struct poll_table_struct *wait)
869 {
870 struct cx8800_fh *fh = file->private_data;
871 struct cx88_buffer *buf;
872
873 if (V4L2_BUF_TYPE_VBI_CAPTURE == fh->type) {
874 if (!res_get(fh->dev,fh,RESOURCE_VBI))
875 return POLLERR;
876 return videobuf_poll_stream(file, &fh->vbiq, wait);
877 }
878
879 if (res_check(fh,RESOURCE_VIDEO)) {
880 /* streaming capture */
881 if (list_empty(&fh->vidq.stream))
882 return POLLERR;
883 buf = list_entry(fh->vidq.stream.next,struct cx88_buffer,vb.stream);
884 } else {
885 /* read() capture */
886 buf = (struct cx88_buffer*)fh->vidq.read_buf;
887 if (NULL == buf)
888 return POLLERR;
889 }
890 poll_wait(file, &buf->vb.done, wait);
891 if (buf->vb.state == VIDEOBUF_DONE ||
892 buf->vb.state == VIDEOBUF_ERROR)
893 return POLLIN|POLLRDNORM;
894 return 0;
895 }
896
897 static int video_release(struct file *file)
898 {
899 struct cx8800_fh *fh = file->private_data;
900 struct cx8800_dev *dev = fh->dev;
901
902 /* turn off overlay */
903 if (res_check(fh, RESOURCE_OVERLAY)) {
904 /* FIXME */
905 res_free(dev,fh,RESOURCE_OVERLAY);
906 }
907
908 /* stop video capture */
909 if (res_check(fh, RESOURCE_VIDEO)) {
910 videobuf_queue_cancel(&fh->vidq);
911 res_free(dev,fh,RESOURCE_VIDEO);
912 }
913 if (fh->vidq.read_buf) {
914 buffer_release(&fh->vidq,fh->vidq.read_buf);
915 kfree(fh->vidq.read_buf);
916 }
917
918 /* stop vbi capture */
919 if (res_check(fh, RESOURCE_VBI)) {
920 videobuf_stop(&fh->vbiq);
921 res_free(dev,fh,RESOURCE_VBI);
922 }
923
924 videobuf_mmap_free(&fh->vidq);
925 videobuf_mmap_free(&fh->vbiq);
926 file->private_data = NULL;
927 kfree(fh);
928
929 mutex_lock(&dev->core->lock);
930 if(atomic_dec_and_test(&dev->core->users))
931 call_all(dev->core, tuner, s_standby);
932 mutex_unlock(&dev->core->lock);
933
934 return 0;
935 }
936
937 static int
938 video_mmap(struct file *file, struct vm_area_struct * vma)
939 {
940 struct cx8800_fh *fh = file->private_data;
941
942 return videobuf_mmap_mapper(get_queue(fh), vma);
943 }
944
945 /* ------------------------------------------------------------------ */
946 /* VIDEO CTRL IOCTLS */
947
948 int cx88_get_control (struct cx88_core *core, struct v4l2_control *ctl)
949 {
950 struct cx88_ctrl *c = NULL;
951 u32 value;
952 int i;
953
954 for (i = 0; i < CX8800_CTLS; i++)
955 if (cx8800_ctls[i].v.id == ctl->id)
956 c = &cx8800_ctls[i];
957 if (unlikely(NULL == c))
958 return -EINVAL;
959
960 value = c->sreg ? cx_sread(c->sreg) : cx_read(c->reg);
961 switch (ctl->id) {
962 case V4L2_CID_AUDIO_BALANCE:
963 ctl->value = ((value & 0x7f) < 0x40) ? ((value & 0x7f) + 0x40)
964 : (0x7f - (value & 0x7f));
965 break;
966 case V4L2_CID_AUDIO_VOLUME:
967 ctl->value = 0x3f - (value & 0x3f);
968 break;
969 default:
970 ctl->value = ((value + (c->off << c->shift)) & c->mask) >> c->shift;
971 break;
972 }
973 dprintk(1,"get_control id=0x%X(%s) ctrl=0x%02x, reg=0x%02x val=0x%02x (mask 0x%02x)%s\n",
974 ctl->id, c->v.name, ctl->value, c->reg,
975 value,c->mask, c->sreg ? " [shadowed]" : "");
976 return 0;
977 }
978 EXPORT_SYMBOL(cx88_get_control);
979
980 int cx88_set_control(struct cx88_core *core, struct v4l2_control *ctl)
981 {
982 struct cx88_ctrl *c = NULL;
983 u32 value,mask;
984 int i;
985
986 for (i = 0; i < CX8800_CTLS; i++) {
987 if (cx8800_ctls[i].v.id == ctl->id) {
988 c = &cx8800_ctls[i];
989 }
990 }
991 if (unlikely(NULL == c))
992 return -EINVAL;
993
994 if (ctl->value < c->v.minimum)
995 ctl->value = c->v.minimum;
996 if (ctl->value > c->v.maximum)
997 ctl->value = c->v.maximum;
998 mask=c->mask;
999 switch (ctl->id) {
1000 case V4L2_CID_AUDIO_BALANCE:
1001 value = (ctl->value < 0x40) ? (0x7f - ctl->value) : (ctl->value - 0x40);
1002 break;
1003 case V4L2_CID_AUDIO_VOLUME:
1004 value = 0x3f - (ctl->value & 0x3f);
1005 break;
1006 case V4L2_CID_SATURATION:
1007 /* special v_sat handling */
1008
1009 value = ((ctl->value - c->off) << c->shift) & c->mask;
1010
1011 if (core->tvnorm & V4L2_STD_SECAM) {
1012 /* For SECAM, both U and V sat should be equal */
1013 value=value<<8|value;
1014 } else {
1015 /* Keeps U Saturation proportional to V Sat */
1016 value=(value*0x5a)/0x7f<<8|value;
1017 }
1018 mask=0xffff;
1019 break;
1020 case V4L2_CID_CHROMA_AGC:
1021 /* Do not allow chroma AGC to be enabled for SECAM */
1022 value = ((ctl->value - c->off) << c->shift) & c->mask;
1023 if (core->tvnorm & V4L2_STD_SECAM && value)
1024 return -EINVAL;
1025 break;
1026 default:
1027 value = ((ctl->value - c->off) << c->shift) & c->mask;
1028 break;
1029 }
1030 dprintk(1,"set_control id=0x%X(%s) ctrl=0x%02x, reg=0x%02x val=0x%02x (mask 0x%02x)%s\n",
1031 ctl->id, c->v.name, ctl->value, c->reg, value,
1032 mask, c->sreg ? " [shadowed]" : "");
1033 if (c->sreg) {
1034 cx_sandor(c->sreg, c->reg, mask, value);
1035 } else {
1036 cx_andor(c->reg, mask, value);
1037 }
1038 return 0;
1039 }
1040 EXPORT_SYMBOL(cx88_set_control);
1041
1042 static void init_controls(struct cx88_core *core)
1043 {
1044 struct v4l2_control ctrl;
1045 int i;
1046
1047 for (i = 0; i < CX8800_CTLS; i++) {
1048 ctrl.id=cx8800_ctls[i].v.id;
1049 ctrl.value=cx8800_ctls[i].v.default_value;
1050
1051 cx88_set_control(core, &ctrl);
1052 }
1053 }
1054
1055 /* ------------------------------------------------------------------ */
1056 /* VIDEO IOCTLS */
1057
1058 static int vidioc_g_fmt_vid_cap(struct file *file, void *priv,
1059 struct v4l2_format *f)
1060 {
1061 struct cx8800_fh *fh = priv;
1062
1063 f->fmt.pix.width = fh->width;
1064 f->fmt.pix.height = fh->height;
1065 f->fmt.pix.field = fh->vidq.field;
1066 f->fmt.pix.pixelformat = fh->fmt->fourcc;
1067 f->fmt.pix.bytesperline =
1068 (f->fmt.pix.width * fh->fmt->depth) >> 3;
1069 f->fmt.pix.sizeimage =
1070 f->fmt.pix.height * f->fmt.pix.bytesperline;
1071 return 0;
1072 }
1073
1074 static int vidioc_try_fmt_vid_cap(struct file *file, void *priv,
1075 struct v4l2_format *f)
1076 {
1077 struct cx88_core *core = ((struct cx8800_fh *)priv)->dev->core;
1078 struct cx8800_fmt *fmt;
1079 enum v4l2_field field;
1080 unsigned int maxw, maxh;
1081
1082 fmt = format_by_fourcc(f->fmt.pix.pixelformat);
1083 if (NULL == fmt)
1084 return -EINVAL;
1085
1086 field = f->fmt.pix.field;
1087 maxw = norm_maxw(core->tvnorm);
1088 maxh = norm_maxh(core->tvnorm);
1089
1090 if (V4L2_FIELD_ANY == field) {
1091 field = (f->fmt.pix.height > maxh/2)
1092 ? V4L2_FIELD_INTERLACED
1093 : V4L2_FIELD_BOTTOM;
1094 }
1095
1096 switch (field) {
1097 case V4L2_FIELD_TOP:
1098 case V4L2_FIELD_BOTTOM:
1099 maxh = maxh / 2;
1100 break;
1101 case V4L2_FIELD_INTERLACED:
1102 break;
1103 default:
1104 return -EINVAL;
1105 }
1106
1107 f->fmt.pix.field = field;
1108 if (f->fmt.pix.height < 32)
1109 f->fmt.pix.height = 32;
1110 if (f->fmt.pix.height > maxh)
1111 f->fmt.pix.height = maxh;
1112 if (f->fmt.pix.width < 48)
1113 f->fmt.pix.width = 48;
1114 if (f->fmt.pix.width > maxw)
1115 f->fmt.pix.width = maxw;
1116 f->fmt.pix.width &= ~0x03;
1117 f->fmt.pix.bytesperline =
1118 (f->fmt.pix.width * fmt->depth) >> 3;
1119 f->fmt.pix.sizeimage =
1120 f->fmt.pix.height * f->fmt.pix.bytesperline;
1121
1122 return 0;
1123 }
1124
1125 static int vidioc_s_fmt_vid_cap(struct file *file, void *priv,
1126 struct v4l2_format *f)
1127 {
1128 struct cx8800_fh *fh = priv;
1129 int err = vidioc_try_fmt_vid_cap (file,priv,f);
1130
1131 if (0 != err)
1132 return err;
1133 fh->fmt = format_by_fourcc(f->fmt.pix.pixelformat);
1134 fh->width = f->fmt.pix.width;
1135 fh->height = f->fmt.pix.height;
1136 fh->vidq.field = f->fmt.pix.field;
1137 return 0;
1138 }
1139
1140 static int vidioc_querycap (struct file *file, void *priv,
1141 struct v4l2_capability *cap)
1142 {
1143 struct cx8800_dev *dev = ((struct cx8800_fh *)priv)->dev;
1144 struct cx88_core *core = dev->core;
1145
1146 strcpy(cap->driver, "cx8800");
1147 strlcpy(cap->card, core->board.name, sizeof(cap->card));
1148 sprintf(cap->bus_info,"PCI:%s",pci_name(dev->pci));
1149 cap->version = CX88_VERSION_CODE;
1150 cap->capabilities =
1151 V4L2_CAP_VIDEO_CAPTURE |
1152 V4L2_CAP_READWRITE |
1153 V4L2_CAP_STREAMING |
1154 V4L2_CAP_VBI_CAPTURE;
1155 if (UNSET != core->board.tuner_type)
1156 cap->capabilities |= V4L2_CAP_TUNER;
1157 return 0;
1158 }
1159
1160 static int vidioc_enum_fmt_vid_cap (struct file *file, void *priv,
1161 struct v4l2_fmtdesc *f)
1162 {
1163 if (unlikely(f->index >= ARRAY_SIZE(formats)))
1164 return -EINVAL;
1165
1166 strlcpy(f->description,formats[f->index].name,sizeof(f->description));
1167 f->pixelformat = formats[f->index].fourcc;
1168
1169 return 0;
1170 }
1171
1172 #ifdef CONFIG_VIDEO_V4L1_COMPAT
1173 static int vidiocgmbuf (struct file *file, void *priv, struct video_mbuf *mbuf)
1174 {
1175 struct cx8800_fh *fh = priv;
1176
1177 return videobuf_cgmbuf (get_queue(fh), mbuf, 8);
1178 }
1179 #endif
1180
1181 static int vidioc_reqbufs (struct file *file, void *priv, struct v4l2_requestbuffers *p)
1182 {
1183 struct cx8800_fh *fh = priv;
1184 return (videobuf_reqbufs(get_queue(fh), p));
1185 }
1186
1187 static int vidioc_querybuf (struct file *file, void *priv, struct v4l2_buffer *p)
1188 {
1189 struct cx8800_fh *fh = priv;
1190 return (videobuf_querybuf(get_queue(fh), p));
1191 }
1192
1193 static int vidioc_qbuf (struct file *file, void *priv, struct v4l2_buffer *p)
1194 {
1195 struct cx8800_fh *fh = priv;
1196 return (videobuf_qbuf(get_queue(fh), p));
1197 }
1198
1199 static int vidioc_dqbuf (struct file *file, void *priv, struct v4l2_buffer *p)
1200 {
1201 struct cx8800_fh *fh = priv;
1202 return (videobuf_dqbuf(get_queue(fh), p,
1203 file->f_flags & O_NONBLOCK));
1204 }
1205
1206 static int vidioc_streamon(struct file *file, void *priv, enum v4l2_buf_type i)
1207 {
1208 struct cx8800_fh *fh = priv;
1209 struct cx8800_dev *dev = fh->dev;
1210
1211 /* We should remember that this driver also supports teletext, */
1212 /* so we have to test if the v4l2_buf_type is VBI capture data. */
1213 if (unlikely((fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) &&
1214 (fh->type != V4L2_BUF_TYPE_VBI_CAPTURE)))
1215 return -EINVAL;
1216
1217 if (unlikely(i != fh->type))
1218 return -EINVAL;
1219
1220 if (unlikely(!res_get(dev,fh,get_ressource(fh))))
1221 return -EBUSY;
1222 return videobuf_streamon(get_queue(fh));
1223 }
1224
1225 static int vidioc_streamoff(struct file *file, void *priv, enum v4l2_buf_type i)
1226 {
1227 struct cx8800_fh *fh = priv;
1228 struct cx8800_dev *dev = fh->dev;
1229 int err, res;
1230
1231 if ((fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) &&
1232 (fh->type != V4L2_BUF_TYPE_VBI_CAPTURE))
1233 return -EINVAL;
1234
1235 if (i != fh->type)
1236 return -EINVAL;
1237
1238 res = get_ressource(fh);
1239 err = videobuf_streamoff(get_queue(fh));
1240 if (err < 0)
1241 return err;
1242 res_free(dev,fh,res);
1243 return 0;
1244 }
1245
1246 static int vidioc_s_std (struct file *file, void *priv, v4l2_std_id *tvnorms)
1247 {
1248 struct cx88_core *core = ((struct cx8800_fh *)priv)->dev->core;
1249
1250 mutex_lock(&core->lock);
1251 cx88_set_tvnorm(core,*tvnorms);
1252 mutex_unlock(&core->lock);
1253
1254 return 0;
1255 }
1256
1257 /* only one input in this sample driver */
1258 int cx88_enum_input (struct cx88_core *core,struct v4l2_input *i)
1259 {
1260 static const char *iname[] = {
1261 [ CX88_VMUX_COMPOSITE1 ] = "Composite1",
1262 [ CX88_VMUX_COMPOSITE2 ] = "Composite2",
1263 [ CX88_VMUX_COMPOSITE3 ] = "Composite3",
1264 [ CX88_VMUX_COMPOSITE4 ] = "Composite4",
1265 [ CX88_VMUX_SVIDEO ] = "S-Video",
1266 [ CX88_VMUX_TELEVISION ] = "Television",
1267 [ CX88_VMUX_CABLE ] = "Cable TV",
1268 [ CX88_VMUX_DVB ] = "DVB",
1269 [ CX88_VMUX_DEBUG ] = "for debug only",
1270 };
1271 unsigned int n = i->index;
1272
1273 if (n >= 4)
1274 return -EINVAL;
1275 if (0 == INPUT(n).type)
1276 return -EINVAL;
1277 i->type = V4L2_INPUT_TYPE_CAMERA;
1278 strcpy(i->name,iname[INPUT(n).type]);
1279 if ((CX88_VMUX_TELEVISION == INPUT(n).type) ||
1280 (CX88_VMUX_CABLE == INPUT(n).type))
1281 i->type = V4L2_INPUT_TYPE_TUNER;
1282 i->std = CX88_NORMS;
1283 return 0;
1284 }
1285 EXPORT_SYMBOL(cx88_enum_input);
1286
1287 static int vidioc_enum_input (struct file *file, void *priv,
1288 struct v4l2_input *i)
1289 {
1290 struct cx88_core *core = ((struct cx8800_fh *)priv)->dev->core;
1291 return cx88_enum_input (core,i);
1292 }
1293
1294 static int vidioc_g_input (struct file *file, void *priv, unsigned int *i)
1295 {
1296 struct cx88_core *core = ((struct cx8800_fh *)priv)->dev->core;
1297
1298 *i = core->input;
1299 return 0;
1300 }
1301
1302 static int vidioc_s_input (struct file *file, void *priv, unsigned int i)
1303 {
1304 struct cx88_core *core = ((struct cx8800_fh *)priv)->dev->core;
1305
1306 if (i >= 4)
1307 return -EINVAL;
1308
1309 mutex_lock(&core->lock);
1310 cx88_newstation(core);
1311 cx88_video_mux(core,i);
1312 mutex_unlock(&core->lock);
1313 return 0;
1314 }
1315
1316
1317
1318 static int vidioc_queryctrl (struct file *file, void *priv,
1319 struct v4l2_queryctrl *qctrl)
1320 {
1321 struct cx88_core *core = ((struct cx8800_fh *)priv)->dev->core;
1322
1323 qctrl->id = v4l2_ctrl_next(ctrl_classes, qctrl->id);
1324 if (unlikely(qctrl->id == 0))
1325 return -EINVAL;
1326 return cx8800_ctrl_query(core, qctrl);
1327 }
1328
1329 static int vidioc_g_ctrl (struct file *file, void *priv,
1330 struct v4l2_control *ctl)
1331 {
1332 struct cx88_core *core = ((struct cx8800_fh *)priv)->dev->core;
1333 return
1334 cx88_get_control(core,ctl);
1335 }
1336
1337 static int vidioc_s_ctrl (struct file *file, void *priv,
1338 struct v4l2_control *ctl)
1339 {
1340 struct cx88_core *core = ((struct cx8800_fh *)priv)->dev->core;
1341 return
1342 cx88_set_control(core,ctl);
1343 }
1344
1345 static int vidioc_g_tuner (struct file *file, void *priv,
1346 struct v4l2_tuner *t)
1347 {
1348 struct cx88_core *core = ((struct cx8800_fh *)priv)->dev->core;
1349 u32 reg;
1350
1351 if (unlikely(UNSET == core->board.tuner_type))
1352 return -EINVAL;
1353 if (0 != t->index)
1354 return -EINVAL;
1355
1356 strcpy(t->name, "Television");
1357 t->type = V4L2_TUNER_ANALOG_TV;
1358 t->capability = V4L2_TUNER_CAP_NORM;
1359 t->rangehigh = 0xffffffffUL;
1360
1361 cx88_get_stereo(core ,t);
1362 reg = cx_read(MO_DEVICE_STATUS);
1363 t->signal = (reg & (1<<5)) ? 0xffff : 0x0000;
1364 return 0;
1365 }
1366
1367 static int vidioc_s_tuner (struct file *file, void *priv,
1368 struct v4l2_tuner *t)
1369 {
1370 struct cx88_core *core = ((struct cx8800_fh *)priv)->dev->core;
1371
1372 if (UNSET == core->board.tuner_type)
1373 return -EINVAL;
1374 if (0 != t->index)
1375 return -EINVAL;
1376
1377 cx88_set_stereo(core, t->audmode, 1);
1378 return 0;
1379 }
1380
1381 static int vidioc_g_frequency (struct file *file, void *priv,
1382 struct v4l2_frequency *f)
1383 {
1384 struct cx8800_fh *fh = priv;
1385 struct cx88_core *core = fh->dev->core;
1386
1387 if (unlikely(UNSET == core->board.tuner_type))
1388 return -EINVAL;
1389
1390 /* f->type = fh->radio ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV; */
1391 f->type = fh->radio ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV;
1392 f->frequency = core->freq;
1393
1394 call_all(core, tuner, g_frequency, f);
1395
1396 return 0;
1397 }
1398
1399 int cx88_set_freq (struct cx88_core *core,
1400 struct v4l2_frequency *f)
1401 {
1402 if (unlikely(UNSET == core->board.tuner_type))
1403 return -EINVAL;
1404 if (unlikely(f->tuner != 0))
1405 return -EINVAL;
1406
1407 mutex_lock(&core->lock);
1408 core->freq = f->frequency;
1409 cx88_newstation(core);
1410 call_all(core, tuner, s_frequency, f);
1411
1412 /* When changing channels it is required to reset TVAUDIO */
1413 msleep (10);
1414 cx88_set_tvaudio(core);
1415
1416 mutex_unlock(&core->lock);
1417
1418 return 0;
1419 }
1420 EXPORT_SYMBOL(cx88_set_freq);
1421
1422 static int vidioc_s_frequency (struct file *file, void *priv,
1423 struct v4l2_frequency *f)
1424 {
1425 struct cx8800_fh *fh = priv;
1426 struct cx88_core *core = fh->dev->core;
1427
1428 if (unlikely(0 == fh->radio && f->type != V4L2_TUNER_ANALOG_TV))
1429 return -EINVAL;
1430 if (unlikely(1 == fh->radio && f->type != V4L2_TUNER_RADIO))
1431 return -EINVAL;
1432
1433 return
1434 cx88_set_freq (core,f);
1435 }
1436
1437 #ifdef CONFIG_VIDEO_ADV_DEBUG
1438 static int vidioc_g_register (struct file *file, void *fh,
1439 struct v4l2_dbg_register *reg)
1440 {
1441 struct cx88_core *core = ((struct cx8800_fh*)fh)->dev->core;
1442
1443 if (!v4l2_chip_match_host(&reg->match))
1444 return -EINVAL;
1445 /* cx2388x has a 24-bit register space */
1446 reg->val = cx_read(reg->reg & 0xffffff);
1447 reg->size = 4;
1448 return 0;
1449 }
1450
1451 static int vidioc_s_register (struct file *file, void *fh,
1452 struct v4l2_dbg_register *reg)
1453 {
1454 struct cx88_core *core = ((struct cx8800_fh*)fh)->dev->core;
1455
1456 if (!v4l2_chip_match_host(&reg->match))
1457 return -EINVAL;
1458 cx_write(reg->reg & 0xffffff, reg->val);
1459 return 0;
1460 }
1461 #endif
1462
1463 /* ----------------------------------------------------------- */
1464 /* RADIO ESPECIFIC IOCTLS */
1465 /* ----------------------------------------------------------- */
1466
1467 static int radio_querycap (struct file *file, void *priv,
1468 struct v4l2_capability *cap)
1469 {
1470 struct cx8800_dev *dev = ((struct cx8800_fh *)priv)->dev;
1471 struct cx88_core *core = dev->core;
1472
1473 strcpy(cap->driver, "cx8800");
1474 strlcpy(cap->card, core->board.name, sizeof(cap->card));
1475 sprintf(cap->bus_info,"PCI:%s", pci_name(dev->pci));
1476 cap->version = CX88_VERSION_CODE;
1477 cap->capabilities = V4L2_CAP_TUNER;
1478 return 0;
1479 }
1480
1481 static int radio_g_tuner (struct file *file, void *priv,
1482 struct v4l2_tuner *t)
1483 {
1484 struct cx88_core *core = ((struct cx8800_fh *)priv)->dev->core;
1485
1486 if (unlikely(t->index > 0))
1487 return -EINVAL;
1488
1489 strcpy(t->name, "Radio");
1490 t->type = V4L2_TUNER_RADIO;
1491
1492 call_all(core, tuner, g_tuner, t);
1493 return 0;
1494 }
1495
1496 static int radio_enum_input (struct file *file, void *priv,
1497 struct v4l2_input *i)
1498 {
1499 if (i->index != 0)
1500 return -EINVAL;
1501 strcpy(i->name,"Radio");
1502 i->type = V4L2_INPUT_TYPE_TUNER;
1503
1504 return 0;
1505 }
1506
1507 static int radio_g_audio (struct file *file, void *priv, struct v4l2_audio *a)
1508 {
1509 if (unlikely(a->index))
1510 return -EINVAL;
1511
1512 strcpy(a->name,"Radio");
1513 return 0;
1514 }
1515
1516 /* FIXME: Should add a standard for radio */
1517
1518 static int radio_s_tuner (struct file *file, void *priv,
1519 struct v4l2_tuner *t)
1520 {
1521 struct cx88_core *core = ((struct cx8800_fh *)priv)->dev->core;
1522
1523 if (0 != t->index)
1524 return -EINVAL;
1525
1526 call_all(core, tuner, s_tuner, t);
1527
1528 return 0;
1529 }
1530
1531 static int radio_s_audio (struct file *file, void *fh,
1532 struct v4l2_audio *a)
1533 {
1534 return 0;
1535 }
1536
1537 static int radio_s_input (struct file *file, void *fh, unsigned int i)
1538 {
1539 return 0;
1540 }
1541
1542 static int radio_queryctrl (struct file *file, void *priv,
1543 struct v4l2_queryctrl *c)
1544 {
1545 int i;
1546
1547 if (c->id < V4L2_CID_BASE ||
1548 c->id >= V4L2_CID_LASTP1)
1549 return -EINVAL;
1550 if (c->id == V4L2_CID_AUDIO_MUTE) {
1551 for (i = 0; i < CX8800_CTLS; i++)
1552 if (cx8800_ctls[i].v.id == c->id)
1553 break;
1554 *c = cx8800_ctls[i].v;
1555 } else
1556 *c = no_ctl;
1557 return 0;
1558 }
1559
1560 /* ----------------------------------------------------------- */
1561
1562 static void cx8800_vid_timeout(unsigned long data)
1563 {
1564 struct cx8800_dev *dev = (struct cx8800_dev*)data;
1565 struct cx88_core *core = dev->core;
1566 struct cx88_dmaqueue *q = &dev->vidq;
1567 struct cx88_buffer *buf;
1568 unsigned long flags;
1569
1570 cx88_sram_channel_dump(core, &cx88_sram_channels[SRAM_CH21]);
1571
1572 cx_clear(MO_VID_DMACNTRL, 0x11);
1573 cx_clear(VID_CAPTURE_CONTROL, 0x06);
1574
1575 spin_lock_irqsave(&dev->slock,flags);
1576 while (!list_empty(&q->active)) {
1577 buf = list_entry(q->active.next, struct cx88_buffer, vb.queue);
1578 list_del(&buf->vb.queue);
1579 buf->vb.state = VIDEOBUF_ERROR;
1580 wake_up(&buf->vb.done);
1581 printk("%s/0: [%p/%d] timeout - dma=0x%08lx\n", core->name,
1582 buf, buf->vb.i, (unsigned long)buf->risc.dma);
1583 }
1584 restart_video_queue(dev,q);
1585 spin_unlock_irqrestore(&dev->slock,flags);
1586 }
1587
1588 static char *cx88_vid_irqs[32] = {
1589 "y_risci1", "u_risci1", "v_risci1", "vbi_risc1",
1590 "y_risci2", "u_risci2", "v_risci2", "vbi_risc2",
1591 "y_oflow", "u_oflow", "v_oflow", "vbi_oflow",
1592 "y_sync", "u_sync", "v_sync", "vbi_sync",
1593 "opc_err", "par_err", "rip_err", "pci_abort",
1594 };
1595
1596 static void cx8800_vid_irq(struct cx8800_dev *dev)
1597 {
1598 struct cx88_core *core = dev->core;
1599 u32 status, mask, count;
1600
1601 status = cx_read(MO_VID_INTSTAT);
1602 mask = cx_read(MO_VID_INTMSK);
1603 if (0 == (status & mask))
1604 return;
1605 cx_write(MO_VID_INTSTAT, status);
1606 if (irq_debug || (status & mask & ~0xff))
1607 cx88_print_irqbits(core->name, "irq vid",
1608 cx88_vid_irqs, ARRAY_SIZE(cx88_vid_irqs),
1609 status, mask);
1610
1611 /* risc op code error */
1612 if (status & (1 << 16)) {
1613 printk(KERN_WARNING "%s/0: video risc op code error\n",core->name);
1614 cx_clear(MO_VID_DMACNTRL, 0x11);
1615 cx_clear(VID_CAPTURE_CONTROL, 0x06);
1616 cx88_sram_channel_dump(core, &cx88_sram_channels[SRAM_CH21]);
1617 }
1618
1619 /* risc1 y */
1620 if (status & 0x01) {
1621 spin_lock(&dev->slock);
1622 count = cx_read(MO_VIDY_GPCNT);
1623 cx88_wakeup(core, &dev->vidq, count);
1624 spin_unlock(&dev->slock);
1625 }
1626
1627 /* risc1 vbi */
1628 if (status & 0x08) {
1629 spin_lock(&dev->slock);
1630 count = cx_read(MO_VBI_GPCNT);
1631 cx88_wakeup(core, &dev->vbiq, count);
1632 spin_unlock(&dev->slock);
1633 }
1634
1635 /* risc2 y */
1636 if (status & 0x10) {
1637 dprintk(2,"stopper video\n");
1638 spin_lock(&dev->slock);
1639 restart_video_queue(dev,&dev->vidq);
1640 spin_unlock(&dev->slock);
1641 }
1642
1643 /* risc2 vbi */
1644 if (status & 0x80) {
1645 dprintk(2,"stopper vbi\n");
1646 spin_lock(&dev->slock);
1647 cx8800_restart_vbi_queue(dev,&dev->vbiq);
1648 spin_unlock(&dev->slock);
1649 }
1650 }
1651
1652 static irqreturn_t cx8800_irq(int irq, void *dev_id)
1653 {
1654 struct cx8800_dev *dev = dev_id;
1655 struct cx88_core *core = dev->core;
1656 u32 status;
1657 int loop, handled = 0;
1658
1659 for (loop = 0; loop < 10; loop++) {
1660 status = cx_read(MO_PCI_INTSTAT) &
1661 (core->pci_irqmask | PCI_INT_VIDINT);
1662 if (0 == status)
1663 goto out;
1664 cx_write(MO_PCI_INTSTAT, status);
1665 handled = 1;
1666
1667 if (status & core->pci_irqmask)
1668 cx88_core_irq(core,status);
1669 if (status & PCI_INT_VIDINT)
1670 cx8800_vid_irq(dev);
1671 };
1672 if (10 == loop) {
1673 printk(KERN_WARNING "%s/0: irq loop -- clearing mask\n",
1674 core->name);
1675 cx_write(MO_PCI_INTMSK,0);
1676 }
1677
1678 out:
1679 return IRQ_RETVAL(handled);
1680 }
1681
1682 /* ----------------------------------------------------------- */
1683 /* exported stuff */
1684
1685 static const struct v4l2_file_operations video_fops =
1686 {
1687 .owner = THIS_MODULE,
1688 .open = video_open,
1689 .release = video_release,
1690 .read = video_read,
1691 .poll = video_poll,
1692 .mmap = video_mmap,
1693 .ioctl = video_ioctl2,
1694 };
1695
1696 static const struct v4l2_ioctl_ops video_ioctl_ops = {
1697 .vidioc_querycap = vidioc_querycap,
1698 .vidioc_enum_fmt_vid_cap = vidioc_enum_fmt_vid_cap,
1699 .vidioc_g_fmt_vid_cap = vidioc_g_fmt_vid_cap,
1700 .vidioc_try_fmt_vid_cap = vidioc_try_fmt_vid_cap,
1701 .vidioc_s_fmt_vid_cap = vidioc_s_fmt_vid_cap,
1702 .vidioc_g_fmt_vbi_cap = cx8800_vbi_fmt,
1703 .vidioc_try_fmt_vbi_cap = cx8800_vbi_fmt,
1704 .vidioc_s_fmt_vbi_cap = cx8800_vbi_fmt,
1705 .vidioc_reqbufs = vidioc_reqbufs,
1706 .vidioc_querybuf = vidioc_querybuf,
1707 .vidioc_qbuf = vidioc_qbuf,
1708 .vidioc_dqbuf = vidioc_dqbuf,
1709 .vidioc_s_std = vidioc_s_std,
1710 .vidioc_enum_input = vidioc_enum_input,
1711 .vidioc_g_input = vidioc_g_input,
1712 .vidioc_s_input = vidioc_s_input,
1713 .vidioc_queryctrl = vidioc_queryctrl,
1714 .vidioc_g_ctrl = vidioc_g_ctrl,
1715 .vidioc_s_ctrl = vidioc_s_ctrl,
1716 .vidioc_streamon = vidioc_streamon,
1717 .vidioc_streamoff = vidioc_streamoff,
1718 #ifdef CONFIG_VIDEO_V4L1_COMPAT
1719 .vidiocgmbuf = vidiocgmbuf,
1720 #endif
1721 .vidioc_g_tuner = vidioc_g_tuner,
1722 .vidioc_s_tuner = vidioc_s_tuner,
1723 .vidioc_g_frequency = vidioc_g_frequency,
1724 .vidioc_s_frequency = vidioc_s_frequency,
1725 #ifdef CONFIG_VIDEO_ADV_DEBUG
1726 .vidioc_g_register = vidioc_g_register,
1727 .vidioc_s_register = vidioc_s_register,
1728 #endif
1729 };
1730
1731 static struct video_device cx8800_vbi_template;
1732
1733 static struct video_device cx8800_video_template = {
1734 .name = "cx8800-video",
1735 .fops = &video_fops,
1736 .minor = -1,
1737 .ioctl_ops = &video_ioctl_ops,
1738 .tvnorms = CX88_NORMS,
1739 .current_norm = V4L2_STD_NTSC_M,
1740 };
1741
1742 static const struct v4l2_file_operations radio_fops =
1743 {
1744 .owner = THIS_MODULE,
1745 .open = video_open,
1746 .release = video_release,
1747 .ioctl = video_ioctl2,
1748 };
1749
1750 static const struct v4l2_ioctl_ops radio_ioctl_ops = {
1751 .vidioc_querycap = radio_querycap,
1752 .vidioc_g_tuner = radio_g_tuner,
1753 .vidioc_enum_input = radio_enum_input,
1754 .vidioc_g_audio = radio_g_audio,
1755 .vidioc_s_tuner = radio_s_tuner,
1756 .vidioc_s_audio = radio_s_audio,
1757 .vidioc_s_input = radio_s_input,
1758 .vidioc_queryctrl = radio_queryctrl,
1759 .vidioc_g_ctrl = vidioc_g_ctrl,
1760 .vidioc_s_ctrl = vidioc_s_ctrl,
1761 .vidioc_g_frequency = vidioc_g_frequency,
1762 .vidioc_s_frequency = vidioc_s_frequency,
1763 #ifdef CONFIG_VIDEO_ADV_DEBUG
1764 .vidioc_g_register = vidioc_g_register,
1765 .vidioc_s_register = vidioc_s_register,
1766 #endif
1767 };
1768
1769 static struct video_device cx8800_radio_template = {
1770 .name = "cx8800-radio",
1771 .fops = &radio_fops,
1772 .minor = -1,
1773 .ioctl_ops = &radio_ioctl_ops,
1774 };
1775
1776 /* ----------------------------------------------------------- */
1777
1778 static void cx8800_unregister_video(struct cx8800_dev *dev)
1779 {
1780 if (dev->radio_dev) {
1781 if (-1 != dev->radio_dev->minor)
1782 video_unregister_device(dev->radio_dev);
1783 else
1784 video_device_release(dev->radio_dev);
1785 dev->radio_dev = NULL;
1786 }
1787 if (dev->vbi_dev) {
1788 if (-1 != dev->vbi_dev->minor)
1789 video_unregister_device(dev->vbi_dev);
1790 else
1791 video_device_release(dev->vbi_dev);
1792 dev->vbi_dev = NULL;
1793 }
1794 if (dev->video_dev) {
1795 if (-1 != dev->video_dev->minor)
1796 video_unregister_device(dev->video_dev);
1797 else
1798 video_device_release(dev->video_dev);
1799 dev->video_dev = NULL;
1800 }
1801 }
1802
1803 static int __devinit cx8800_initdev(struct pci_dev *pci_dev,
1804 const struct pci_device_id *pci_id)
1805 {
1806 struct cx8800_dev *dev;
1807 struct cx88_core *core;
1808
1809 int err;
1810
1811 dev = kzalloc(sizeof(*dev),GFP_KERNEL);
1812 if (NULL == dev)
1813 return -ENOMEM;
1814
1815 /* pci init */
1816 dev->pci = pci_dev;
1817 if (pci_enable_device(pci_dev)) {
1818 err = -EIO;
1819 goto fail_free;
1820 }
1821 core = cx88_core_get(dev->pci);
1822 if (NULL == core) {
1823 err = -EINVAL;
1824 goto fail_free;
1825 }
1826 dev->core = core;
1827
1828 /* print pci info */
1829 pci_read_config_byte(pci_dev, PCI_CLASS_REVISION, &dev->pci_rev);
1830 pci_read_config_byte(pci_dev, PCI_LATENCY_TIMER, &dev->pci_lat);
1831 printk(KERN_INFO "%s/0: found at %s, rev: %d, irq: %d, "
1832 "latency: %d, mmio: 0x%llx\n", core->name,
1833 pci_name(pci_dev), dev->pci_rev, pci_dev->irq,
1834 dev->pci_lat,(unsigned long long)pci_resource_start(pci_dev,0));
1835
1836 pci_set_master(pci_dev);
1837 if (!pci_dma_supported(pci_dev,DMA_BIT_MASK(32))) {
1838 printk("%s/0: Oops: no 32bit PCI DMA ???\n",core->name);
1839 err = -EIO;
1840 goto fail_core;
1841 }
1842
1843 /* Initialize VBI template */
1844 memcpy( &cx8800_vbi_template, &cx8800_video_template,
1845 sizeof(cx8800_vbi_template) );
1846 strcpy(cx8800_vbi_template.name,"cx8800-vbi");
1847
1848 /* initialize driver struct */
1849 spin_lock_init(&dev->slock);
1850 core->tvnorm = cx8800_video_template.current_norm;
1851
1852 /* init video dma queues */
1853 INIT_LIST_HEAD(&dev->vidq.active);
1854 INIT_LIST_HEAD(&dev->vidq.queued);
1855 dev->vidq.timeout.function = cx8800_vid_timeout;
1856 dev->vidq.timeout.data = (unsigned long)dev;
1857 init_timer(&dev->vidq.timeout);
1858 cx88_risc_stopper(dev->pci,&dev->vidq.stopper,
1859 MO_VID_DMACNTRL,0x11,0x00);
1860
1861 /* init vbi dma queues */
1862 INIT_LIST_HEAD(&dev->vbiq.active);
1863 INIT_LIST_HEAD(&dev->vbiq.queued);
1864 dev->vbiq.timeout.function = cx8800_vbi_timeout;
1865 dev->vbiq.timeout.data = (unsigned long)dev;
1866 init_timer(&dev->vbiq.timeout);
1867 cx88_risc_stopper(dev->pci,&dev->vbiq.stopper,
1868 MO_VID_DMACNTRL,0x88,0x00);
1869
1870 /* get irq */
1871 err = request_irq(pci_dev->irq, cx8800_irq,
1872 IRQF_SHARED | IRQF_DISABLED, core->name, dev);
1873 if (err < 0) {
1874 printk(KERN_ERR "%s/0: can't get IRQ %d\n",
1875 core->name,pci_dev->irq);
1876 goto fail_core;
1877 }
1878 cx_set(MO_PCI_INTMSK, core->pci_irqmask);
1879
1880 /* load and configure helper modules */
1881
1882 if (core->board.audio_chip == V4L2_IDENT_WM8775)
1883 v4l2_i2c_new_subdev(&core->v4l2_dev, &core->i2c_adap,
1884 "wm8775", "wm8775", 0x36 >> 1);
1885
1886 if (core->board.audio_chip == V4L2_IDENT_TVAUDIO) {
1887 /* This probes for a tda9874 as is used on some
1888 Pixelview Ultra boards. */
1889 v4l2_i2c_new_probed_subdev_addr(&core->v4l2_dev,
1890 &core->i2c_adap,
1891 "tvaudio", "tvaudio", 0xb0 >> 1);
1892 }
1893
1894 switch (core->boardnr) {
1895 case CX88_BOARD_DVICO_FUSIONHDTV_5_GOLD:
1896 case CX88_BOARD_DVICO_FUSIONHDTV_7_GOLD: {
1897 static struct i2c_board_info rtc_info = {
1898 I2C_BOARD_INFO("isl1208", 0x6f)
1899 };
1900
1901 request_module("rtc-isl1208");
1902 core->i2c_rtc = i2c_new_device(&core->i2c_adap, &rtc_info);
1903 }
1904 /* break intentionally omitted */
1905 case CX88_BOARD_DVICO_FUSIONHDTV_5_PCI_NANO:
1906 request_module("ir-kbd-i2c");
1907 }
1908
1909 /* register v4l devices */
1910 dev->video_dev = cx88_vdev_init(core,dev->pci,
1911 &cx8800_video_template,"video");
1912 err = video_register_device(dev->video_dev,VFL_TYPE_GRABBER,
1913 video_nr[core->nr]);
1914 if (err < 0) {
1915 printk(KERN_ERR "%s/0: can't register video device\n",
1916 core->name);
1917 goto fail_unreg;
1918 }
1919 printk(KERN_INFO "%s/0: registered device video%d [v4l2]\n",
1920 core->name, dev->video_dev->num);
1921
1922 dev->vbi_dev = cx88_vdev_init(core,dev->pci,&cx8800_vbi_template,"vbi");
1923 err = video_register_device(dev->vbi_dev,VFL_TYPE_VBI,
1924 vbi_nr[core->nr]);
1925 if (err < 0) {
1926 printk(KERN_ERR "%s/0: can't register vbi device\n",
1927 core->name);
1928 goto fail_unreg;
1929 }
1930 printk(KERN_INFO "%s/0: registered device vbi%d\n",
1931 core->name, dev->vbi_dev->num);
1932
1933 if (core->board.radio.type == CX88_RADIO) {
1934 dev->radio_dev = cx88_vdev_init(core,dev->pci,
1935 &cx8800_radio_template,"radio");
1936 err = video_register_device(dev->radio_dev,VFL_TYPE_RADIO,
1937 radio_nr[core->nr]);
1938 if (err < 0) {
1939 printk(KERN_ERR "%s/0: can't register radio device\n",
1940 core->name);
1941 goto fail_unreg;
1942 }
1943 printk(KERN_INFO "%s/0: registered device radio%d\n",
1944 core->name, dev->radio_dev->num);
1945 }
1946
1947 /* everything worked */
1948 list_add_tail(&dev->devlist,&cx8800_devlist);
1949 pci_set_drvdata(pci_dev,dev);
1950
1951 /* initial device configuration */
1952 mutex_lock(&core->lock);
1953 cx88_set_tvnorm(core,core->tvnorm);
1954 init_controls(core);
1955 cx88_video_mux(core,0);
1956 mutex_unlock(&core->lock);
1957
1958 /* start tvaudio thread */
1959 if (core->board.tuner_type != TUNER_ABSENT) {
1960 core->kthread = kthread_run(cx88_audio_thread, core, "cx88 tvaudio");
1961 if (IS_ERR(core->kthread)) {
1962 err = PTR_ERR(core->kthread);
1963 printk(KERN_ERR "%s/0: failed to create cx88 audio thread, err=%d\n",
1964 core->name, err);
1965 }
1966 }
1967 return 0;
1968
1969 fail_unreg:
1970 cx8800_unregister_video(dev);
1971 free_irq(pci_dev->irq, dev);
1972 fail_core:
1973 cx88_core_put(core,dev->pci);
1974 fail_free:
1975 kfree(dev);
1976 return err;
1977 }
1978
1979 static void __devexit cx8800_finidev(struct pci_dev *pci_dev)
1980 {
1981 struct cx8800_dev *dev = pci_get_drvdata(pci_dev);
1982 struct cx88_core *core = dev->core;
1983
1984 /* stop thread */
1985 if (core->kthread) {
1986 kthread_stop(core->kthread);
1987 core->kthread = NULL;
1988 }
1989
1990 if (core->ir)
1991 cx88_ir_stop(core, core->ir);
1992
1993 cx88_shutdown(core); /* FIXME */
1994 pci_disable_device(pci_dev);
1995
1996 /* unregister stuff */
1997
1998 free_irq(pci_dev->irq, dev);
1999 cx8800_unregister_video(dev);
2000 pci_set_drvdata(pci_dev, NULL);
2001
2002 /* free memory */
2003 btcx_riscmem_free(dev->pci,&dev->vidq.stopper);
2004 list_del(&dev->devlist);
2005 cx88_core_put(core,dev->pci);
2006 kfree(dev);
2007 }
2008
2009 #ifdef CONFIG_PM
2010 static int cx8800_suspend(struct pci_dev *pci_dev, pm_message_t state)
2011 {
2012 struct cx8800_dev *dev = pci_get_drvdata(pci_dev);
2013 struct cx88_core *core = dev->core;
2014
2015 /* stop video+vbi capture */
2016 spin_lock(&dev->slock);
2017 if (!list_empty(&dev->vidq.active)) {
2018 printk("%s/0: suspend video\n", core->name);
2019 stop_video_dma(dev);
2020 del_timer(&dev->vidq.timeout);
2021 }
2022 if (!list_empty(&dev->vbiq.active)) {
2023 printk("%s/0: suspend vbi\n", core->name);
2024 cx8800_stop_vbi_dma(dev);
2025 del_timer(&dev->vbiq.timeout);
2026 }
2027 spin_unlock(&dev->slock);
2028
2029 if (core->ir)
2030 cx88_ir_stop(core, core->ir);
2031 /* FIXME -- shutdown device */
2032 cx88_shutdown(core);
2033
2034 pci_save_state(pci_dev);
2035 if (0 != pci_set_power_state(pci_dev, pci_choose_state(pci_dev, state))) {
2036 pci_disable_device(pci_dev);
2037 dev->state.disabled = 1;
2038 }
2039 return 0;
2040 }
2041
2042 static int cx8800_resume(struct pci_dev *pci_dev)
2043 {
2044 struct cx8800_dev *dev = pci_get_drvdata(pci_dev);
2045 struct cx88_core *core = dev->core;
2046 int err;
2047
2048 if (dev->state.disabled) {
2049 err=pci_enable_device(pci_dev);
2050 if (err) {
2051 printk(KERN_ERR "%s/0: can't enable device\n",
2052 core->name);
2053 return err;
2054 }
2055
2056 dev->state.disabled = 0;
2057 }
2058 err= pci_set_power_state(pci_dev, PCI_D0);
2059 if (err) {
2060 printk(KERN_ERR "%s/0: can't set power state\n", core->name);
2061 pci_disable_device(pci_dev);
2062 dev->state.disabled = 1;
2063
2064 return err;
2065 }
2066 pci_restore_state(pci_dev);
2067
2068 /* FIXME: re-initialize hardware */
2069 cx88_reset(core);
2070 if (core->ir)
2071 cx88_ir_start(core, core->ir);
2072
2073 cx_set(MO_PCI_INTMSK, core->pci_irqmask);
2074
2075 /* restart video+vbi capture */
2076 spin_lock(&dev->slock);
2077 if (!list_empty(&dev->vidq.active)) {
2078 printk("%s/0: resume video\n", core->name);
2079 restart_video_queue(dev,&dev->vidq);
2080 }
2081 if (!list_empty(&dev->vbiq.active)) {
2082 printk("%s/0: resume vbi\n", core->name);
2083 cx8800_restart_vbi_queue(dev,&dev->vbiq);
2084 }
2085 spin_unlock(&dev->slock);
2086
2087 return 0;
2088 }
2089 #endif
2090
2091 /* ----------------------------------------------------------- */
2092
2093 static struct pci_device_id cx8800_pci_tbl[] = {
2094 {
2095 .vendor = 0x14f1,
2096 .device = 0x8800,
2097 .subvendor = PCI_ANY_ID,
2098 .subdevice = PCI_ANY_ID,
2099 },{
2100 /* --- end of list --- */
2101 }
2102 };
2103 MODULE_DEVICE_TABLE(pci, cx8800_pci_tbl);
2104
2105 static struct pci_driver cx8800_pci_driver = {
2106 .name = "cx8800",
2107 .id_table = cx8800_pci_tbl,
2108 .probe = cx8800_initdev,
2109 .remove = __devexit_p(cx8800_finidev),
2110 #ifdef CONFIG_PM
2111 .suspend = cx8800_suspend,
2112 .resume = cx8800_resume,
2113 #endif
2114 };
2115
2116 static int cx8800_init(void)
2117 {
2118 printk(KERN_INFO "cx88/0: cx2388x v4l2 driver version %d.%d.%d loaded\n",
2119 (CX88_VERSION_CODE >> 16) & 0xff,
2120 (CX88_VERSION_CODE >> 8) & 0xff,
2121 CX88_VERSION_CODE & 0xff);
2122 #ifdef SNAPSHOT
2123 printk(KERN_INFO "cx2388x: snapshot date %04d-%02d-%02d\n",
2124 SNAPSHOT/10000, (SNAPSHOT/100)%100, SNAPSHOT%100);
2125 #endif
2126 return pci_register_driver(&cx8800_pci_driver);
2127 }
2128
2129 static void cx8800_fini(void)
2130 {
2131 pci_unregister_driver(&cx8800_pci_driver);
2132 }
2133
2134 module_init(cx8800_init);
2135 module_exit(cx8800_fini);
2136
2137 /* ----------------------------------------------------------- */
2138 /*
2139 * Local variables:
2140 * c-basic-offset: 8
2141 * End:
2142 * 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
2143 */
Linux 2.6 ibm-acpi/thinkpad-acpi driver git tree