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V4L/DVB (10816): cx88: Don't need to zero ioctl parameter fields
[deliverable/linux.git] / drivers / media / video / cx88 / cx88-video.c
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 #ifdef CONFIG_VIDEO_V4L1_COMPAT
45 /* Include V4L1 specific functions. Should be removed soon */
46 #include <linux/videodev.h>
47 #endif
48
49 MODULE_DESCRIPTION("v4l2 driver module for cx2388x based TV cards");
50 MODULE_AUTHOR("Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]");
51 MODULE_LICENSE("GPL");
52
53 /* ------------------------------------------------------------------ */
54
55 static unsigned int video_nr[] = {[0 ... (CX88_MAXBOARDS - 1)] = UNSET };
56 static unsigned int vbi_nr[] = {[0 ... (CX88_MAXBOARDS - 1)] = UNSET };
57 static unsigned int radio_nr[] = {[0 ... (CX88_MAXBOARDS - 1)] = UNSET };
58
59 module_param_array(video_nr, int, NULL, 0444);
60 module_param_array(vbi_nr, int, NULL, 0444);
61 module_param_array(radio_nr, int, NULL, 0444);
62
63 MODULE_PARM_DESC(video_nr,"video device numbers");
64 MODULE_PARM_DESC(vbi_nr,"vbi device numbers");
65 MODULE_PARM_DESC(radio_nr,"radio device numbers");
66
67 static unsigned int video_debug;
68 module_param(video_debug,int,0644);
69 MODULE_PARM_DESC(video_debug,"enable debug messages [video]");
70
71 static unsigned int irq_debug;
72 module_param(irq_debug,int,0644);
73 MODULE_PARM_DESC(irq_debug,"enable debug messages [IRQ handler]");
74
75 static unsigned int vid_limit = 16;
76 module_param(vid_limit,int,0644);
77 MODULE_PARM_DESC(vid_limit,"capture memory limit in megabytes");
78
79 #define dprintk(level,fmt, arg...) if (video_debug >= level) \
80 printk(KERN_DEBUG "%s/0: " fmt, core->name , ## arg)
81
82 /* ------------------------------------------------------------------ */
83
84 static LIST_HEAD(cx8800_devlist);
85
86 /* ------------------------------------------------------------------- */
87 /* static data */
88
89 static struct cx8800_fmt formats[] = {
90 {
91 .name = "8 bpp, gray",
92 .fourcc = V4L2_PIX_FMT_GREY,
93 .cxformat = ColorFormatY8,
94 .depth = 8,
95 .flags = FORMAT_FLAGS_PACKED,
96 },{
97 .name = "15 bpp RGB, le",
98 .fourcc = V4L2_PIX_FMT_RGB555,
99 .cxformat = ColorFormatRGB15,
100 .depth = 16,
101 .flags = FORMAT_FLAGS_PACKED,
102 },{
103 .name = "15 bpp RGB, be",
104 .fourcc = V4L2_PIX_FMT_RGB555X,
105 .cxformat = ColorFormatRGB15 | ColorFormatBSWAP,
106 .depth = 16,
107 .flags = FORMAT_FLAGS_PACKED,
108 },{
109 .name = "16 bpp RGB, le",
110 .fourcc = V4L2_PIX_FMT_RGB565,
111 .cxformat = ColorFormatRGB16,
112 .depth = 16,
113 .flags = FORMAT_FLAGS_PACKED,
114 },{
115 .name = "16 bpp RGB, be",
116 .fourcc = V4L2_PIX_FMT_RGB565X,
117 .cxformat = ColorFormatRGB16 | ColorFormatBSWAP,
118 .depth = 16,
119 .flags = FORMAT_FLAGS_PACKED,
120 },{
121 .name = "24 bpp RGB, le",
122 .fourcc = V4L2_PIX_FMT_BGR24,
123 .cxformat = ColorFormatRGB24,
124 .depth = 24,
125 .flags = FORMAT_FLAGS_PACKED,
126 },{
127 .name = "32 bpp RGB, le",
128 .fourcc = V4L2_PIX_FMT_BGR32,
129 .cxformat = ColorFormatRGB32,
130 .depth = 32,
131 .flags = FORMAT_FLAGS_PACKED,
132 },{
133 .name = "32 bpp RGB, be",
134 .fourcc = V4L2_PIX_FMT_RGB32,
135 .cxformat = ColorFormatRGB32 | ColorFormatBSWAP | ColorFormatWSWAP,
136 .depth = 32,
137 .flags = FORMAT_FLAGS_PACKED,
138 },{
139 .name = "4:2:2, packed, YUYV",
140 .fourcc = V4L2_PIX_FMT_YUYV,
141 .cxformat = ColorFormatYUY2,
142 .depth = 16,
143 .flags = FORMAT_FLAGS_PACKED,
144 },{
145 .name = "4:2:2, packed, UYVY",
146 .fourcc = V4L2_PIX_FMT_UYVY,
147 .cxformat = ColorFormatYUY2 | ColorFormatBSWAP,
148 .depth = 16,
149 .flags = FORMAT_FLAGS_PACKED,
150 },
151 };
152
153 static struct cx8800_fmt* format_by_fourcc(unsigned int fourcc)
154 {
155 unsigned int i;
156
157 for (i = 0; i < ARRAY_SIZE(formats); i++)
158 if (formats[i].fourcc == fourcc)
159 return formats+i;
160 return NULL;
161 }
162
163 /* ------------------------------------------------------------------- */
164
165 static const struct v4l2_queryctrl no_ctl = {
166 .name = "42",
167 .flags = V4L2_CTRL_FLAG_DISABLED,
168 };
169
170 static struct cx88_ctrl cx8800_ctls[] = {
171 /* --- video --- */
172 {
173 .v = {
174 .id = V4L2_CID_BRIGHTNESS,
175 .name = "Brightness",
176 .minimum = 0x00,
177 .maximum = 0xff,
178 .step = 1,
179 .default_value = 0x7f,
180 .type = V4L2_CTRL_TYPE_INTEGER,
181 },
182 .off = 128,
183 .reg = MO_CONTR_BRIGHT,
184 .mask = 0x00ff,
185 .shift = 0,
186 },{
187 .v = {
188 .id = V4L2_CID_CONTRAST,
189 .name = "Contrast",
190 .minimum = 0,
191 .maximum = 0xff,
192 .step = 1,
193 .default_value = 0x3f,
194 .type = V4L2_CTRL_TYPE_INTEGER,
195 },
196 .off = 0,
197 .reg = MO_CONTR_BRIGHT,
198 .mask = 0xff00,
199 .shift = 8,
200 },{
201 .v = {
202 .id = V4L2_CID_HUE,
203 .name = "Hue",
204 .minimum = 0,
205 .maximum = 0xff,
206 .step = 1,
207 .default_value = 0x7f,
208 .type = V4L2_CTRL_TYPE_INTEGER,
209 },
210 .off = 128,
211 .reg = MO_HUE,
212 .mask = 0x00ff,
213 .shift = 0,
214 },{
215 /* strictly, this only describes only U saturation.
216 * V saturation is handled specially through code.
217 */
218 .v = {
219 .id = V4L2_CID_SATURATION,
220 .name = "Saturation",
221 .minimum = 0,
222 .maximum = 0xff,
223 .step = 1,
224 .default_value = 0x7f,
225 .type = V4L2_CTRL_TYPE_INTEGER,
226 },
227 .off = 0,
228 .reg = MO_UV_SATURATION,
229 .mask = 0x00ff,
230 .shift = 0,
231 },{
232 .v = {
233 .id = V4L2_CID_CHROMA_AGC,
234 .name = "Chroma AGC",
235 .minimum = 0,
236 .maximum = 1,
237 .default_value = 0x1,
238 .type = V4L2_CTRL_TYPE_BOOLEAN,
239 },
240 .reg = MO_INPUT_FORMAT,
241 .mask = 1 << 10,
242 .shift = 10,
243 }, {
244 .v = {
245 .id = V4L2_CID_COLOR_KILLER,
246 .name = "Color killer",
247 .minimum = 0,
248 .maximum = 1,
249 .default_value = 0x1,
250 .type = V4L2_CTRL_TYPE_BOOLEAN,
251 },
252 .reg = MO_INPUT_FORMAT,
253 .mask = 1 << 9,
254 .shift = 9,
255 }, {
256 /* --- audio --- */
257 .v = {
258 .id = V4L2_CID_AUDIO_MUTE,
259 .name = "Mute",
260 .minimum = 0,
261 .maximum = 1,
262 .default_value = 1,
263 .type = V4L2_CTRL_TYPE_BOOLEAN,
264 },
265 .reg = AUD_VOL_CTL,
266 .sreg = SHADOW_AUD_VOL_CTL,
267 .mask = (1 << 6),
268 .shift = 6,
269 },{
270 .v = {
271 .id = V4L2_CID_AUDIO_VOLUME,
272 .name = "Volume",
273 .minimum = 0,
274 .maximum = 0x3f,
275 .step = 1,
276 .default_value = 0x3f,
277 .type = V4L2_CTRL_TYPE_INTEGER,
278 },
279 .reg = AUD_VOL_CTL,
280 .sreg = SHADOW_AUD_VOL_CTL,
281 .mask = 0x3f,
282 .shift = 0,
283 },{
284 .v = {
285 .id = V4L2_CID_AUDIO_BALANCE,
286 .name = "Balance",
287 .minimum = 0,
288 .maximum = 0x7f,
289 .step = 1,
290 .default_value = 0x40,
291 .type = V4L2_CTRL_TYPE_INTEGER,
292 },
293 .reg = AUD_BAL_CTL,
294 .sreg = SHADOW_AUD_BAL_CTL,
295 .mask = 0x7f,
296 .shift = 0,
297 }
298 };
299 static const int CX8800_CTLS = ARRAY_SIZE(cx8800_ctls);
300
301 /* Must be sorted from low to high control ID! */
302 const u32 cx88_user_ctrls[] = {
303 V4L2_CID_USER_CLASS,
304 V4L2_CID_BRIGHTNESS,
305 V4L2_CID_CONTRAST,
306 V4L2_CID_SATURATION,
307 V4L2_CID_HUE,
308 V4L2_CID_AUDIO_VOLUME,
309 V4L2_CID_AUDIO_BALANCE,
310 V4L2_CID_AUDIO_MUTE,
311 V4L2_CID_CHROMA_AGC,
312 V4L2_CID_COLOR_KILLER,
313 0
314 };
315 EXPORT_SYMBOL(cx88_user_ctrls);
316
317 static const u32 *ctrl_classes[] = {
318 cx88_user_ctrls,
319 NULL
320 };
321
322 int cx8800_ctrl_query(struct cx88_core *core, struct v4l2_queryctrl *qctrl)
323 {
324 int i;
325
326 if (qctrl->id < V4L2_CID_BASE ||
327 qctrl->id >= V4L2_CID_LASTP1)
328 return -EINVAL;
329 for (i = 0; i < CX8800_CTLS; i++)
330 if (cx8800_ctls[i].v.id == qctrl->id)
331 break;
332 if (i == CX8800_CTLS) {
333 *qctrl = no_ctl;
334 return 0;
335 }
336 *qctrl = cx8800_ctls[i].v;
337 /* Report chroma AGC as inactive when SECAM is selected */
338 if (cx8800_ctls[i].v.id == V4L2_CID_CHROMA_AGC &&
339 core->tvnorm & V4L2_STD_SECAM)
340 qctrl->flags |= V4L2_CTRL_FLAG_INACTIVE;
341
342 return 0;
343 }
344 EXPORT_SYMBOL(cx8800_ctrl_query);
345
346 /* ------------------------------------------------------------------- */
347 /* resource management */
348
349 static int res_get(struct cx8800_dev *dev, struct cx8800_fh *fh, unsigned int bit)
350 {
351 struct cx88_core *core = dev->core;
352 if (fh->resources & bit)
353 /* have it already allocated */
354 return 1;
355
356 /* is it free? */
357 mutex_lock(&core->lock);
358 if (dev->resources & bit) {
359 /* no, someone else uses it */
360 mutex_unlock(&core->lock);
361 return 0;
362 }
363 /* it's free, grab it */
364 fh->resources |= bit;
365 dev->resources |= bit;
366 dprintk(1,"res: get %d\n",bit);
367 mutex_unlock(&core->lock);
368 return 1;
369 }
370
371 static
372 int res_check(struct cx8800_fh *fh, unsigned int bit)
373 {
374 return (fh->resources & bit);
375 }
376
377 static
378 int res_locked(struct cx8800_dev *dev, unsigned int bit)
379 {
380 return (dev->resources & bit);
381 }
382
383 static
384 void res_free(struct cx8800_dev *dev, struct cx8800_fh *fh, unsigned int bits)
385 {
386 struct cx88_core *core = dev->core;
387 BUG_ON((fh->resources & bits) != bits);
388
389 mutex_lock(&core->lock);
390 fh->resources &= ~bits;
391 dev->resources &= ~bits;
392 dprintk(1,"res: put %d\n",bits);
393 mutex_unlock(&core->lock);
394 }
395
396 /* ------------------------------------------------------------------ */
397
398 int cx88_video_mux(struct cx88_core *core, unsigned int input)
399 {
400 /* struct cx88_core *core = dev->core; */
401
402 dprintk(1,"video_mux: %d [vmux=%d,gpio=0x%x,0x%x,0x%x,0x%x]\n",
403 input, INPUT(input).vmux,
404 INPUT(input).gpio0,INPUT(input).gpio1,
405 INPUT(input).gpio2,INPUT(input).gpio3);
406 core->input = input;
407 cx_andor(MO_INPUT_FORMAT, 0x03 << 14, INPUT(input).vmux << 14);
408 cx_write(MO_GP3_IO, INPUT(input).gpio3);
409 cx_write(MO_GP0_IO, INPUT(input).gpio0);
410 cx_write(MO_GP1_IO, INPUT(input).gpio1);
411 cx_write(MO_GP2_IO, INPUT(input).gpio2);
412
413 switch (INPUT(input).type) {
414 case CX88_VMUX_SVIDEO:
415 cx_set(MO_AFECFG_IO, 0x00000001);
416 cx_set(MO_INPUT_FORMAT, 0x00010010);
417 cx_set(MO_FILTER_EVEN, 0x00002020);
418 cx_set(MO_FILTER_ODD, 0x00002020);
419 break;
420 default:
421 cx_clear(MO_AFECFG_IO, 0x00000001);
422 cx_clear(MO_INPUT_FORMAT, 0x00010010);
423 cx_clear(MO_FILTER_EVEN, 0x00002020);
424 cx_clear(MO_FILTER_ODD, 0x00002020);
425 break;
426 }
427
428 /* if there are audioroutes defined, we have an external
429 ADC to deal with audio */
430 if (INPUT(input).audioroute) {
431 /* The wm8775 module has the "2" route hardwired into
432 the initialization. Some boards may use different
433 routes for different inputs. HVR-1300 surely does */
434 if (core->board.audio_chip &&
435 core->board.audio_chip == V4L2_IDENT_WM8775) {
436 struct v4l2_routing route;
437
438 route.input = INPUT(input).audioroute;
439 cx88_call_i2c_clients(core,
440 VIDIOC_INT_S_AUDIO_ROUTING, &route);
441 }
442 /* cx2388's C-ADC is connected to the tuner only.
443 When used with S-Video, that ADC is busy dealing with
444 chroma, so an external must be used for baseband audio */
445 if (INPUT(input).type != CX88_VMUX_TELEVISION ) {
446 /* "I2S ADC mode" */
447 core->tvaudio = WW_I2SADC;
448 cx88_set_tvaudio(core);
449 } else {
450 /* Normal mode */
451 cx_write(AUD_I2SCNTL, 0x0);
452 cx_clear(AUD_CTL, EN_I2SIN_ENABLE);
453 }
454 }
455
456 return 0;
457 }
458 EXPORT_SYMBOL(cx88_video_mux);
459
460 /* ------------------------------------------------------------------ */
461
462 static int start_video_dma(struct cx8800_dev *dev,
463 struct cx88_dmaqueue *q,
464 struct cx88_buffer *buf)
465 {
466 struct cx88_core *core = dev->core;
467
468 /* setup fifo + format */
469 cx88_sram_channel_setup(core, &cx88_sram_channels[SRAM_CH21],
470 buf->bpl, buf->risc.dma);
471 cx88_set_scale(core, buf->vb.width, buf->vb.height, buf->vb.field);
472 cx_write(MO_COLOR_CTRL, buf->fmt->cxformat | ColorFormatGamma);
473
474 /* reset counter */
475 cx_write(MO_VIDY_GPCNTRL,GP_COUNT_CONTROL_RESET);
476 q->count = 1;
477
478 /* enable irqs */
479 cx_set(MO_PCI_INTMSK, core->pci_irqmask | PCI_INT_VIDINT);
480
481 /* Enables corresponding bits at PCI_INT_STAT:
482 bits 0 to 4: video, audio, transport stream, VIP, Host
483 bit 7: timer
484 bits 8 and 9: DMA complete for: SRC, DST
485 bits 10 and 11: BERR signal asserted for RISC: RD, WR
486 bits 12 to 15: BERR signal asserted for: BRDG, SRC, DST, IPB
487 */
488 cx_set(MO_VID_INTMSK, 0x0f0011);
489
490 /* enable capture */
491 cx_set(VID_CAPTURE_CONTROL,0x06);
492
493 /* start dma */
494 cx_set(MO_DEV_CNTRL2, (1<<5));
495 cx_set(MO_VID_DMACNTRL, 0x11); /* Planar Y and packed FIFO and RISC enable */
496
497 return 0;
498 }
499
500 #ifdef CONFIG_PM
501 static int stop_video_dma(struct cx8800_dev *dev)
502 {
503 struct cx88_core *core = dev->core;
504
505 /* stop dma */
506 cx_clear(MO_VID_DMACNTRL, 0x11);
507
508 /* disable capture */
509 cx_clear(VID_CAPTURE_CONTROL,0x06);
510
511 /* disable irqs */
512 cx_clear(MO_PCI_INTMSK, PCI_INT_VIDINT);
513 cx_clear(MO_VID_INTMSK, 0x0f0011);
514 return 0;
515 }
516 #endif
517
518 static int restart_video_queue(struct cx8800_dev *dev,
519 struct cx88_dmaqueue *q)
520 {
521 struct cx88_core *core = dev->core;
522 struct cx88_buffer *buf, *prev;
523
524 if (!list_empty(&q->active)) {
525 buf = list_entry(q->active.next, struct cx88_buffer, vb.queue);
526 dprintk(2,"restart_queue [%p/%d]: restart dma\n",
527 buf, buf->vb.i);
528 start_video_dma(dev, q, buf);
529 list_for_each_entry(buf, &q->active, vb.queue)
530 buf->count = q->count++;
531 mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT);
532 return 0;
533 }
534
535 prev = NULL;
536 for (;;) {
537 if (list_empty(&q->queued))
538 return 0;
539 buf = list_entry(q->queued.next, struct cx88_buffer, vb.queue);
540 if (NULL == prev) {
541 list_move_tail(&buf->vb.queue, &q->active);
542 start_video_dma(dev, q, buf);
543 buf->vb.state = VIDEOBUF_ACTIVE;
544 buf->count = q->count++;
545 mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT);
546 dprintk(2,"[%p/%d] restart_queue - first active\n",
547 buf,buf->vb.i);
548
549 } else if (prev->vb.width == buf->vb.width &&
550 prev->vb.height == buf->vb.height &&
551 prev->fmt == buf->fmt) {
552 list_move_tail(&buf->vb.queue, &q->active);
553 buf->vb.state = VIDEOBUF_ACTIVE;
554 buf->count = q->count++;
555 prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma);
556 dprintk(2,"[%p/%d] restart_queue - move to active\n",
557 buf,buf->vb.i);
558 } else {
559 return 0;
560 }
561 prev = buf;
562 }
563 }
564
565 /* ------------------------------------------------------------------ */
566
567 static int
568 buffer_setup(struct videobuf_queue *q, unsigned int *count, unsigned int *size)
569 {
570 struct cx8800_fh *fh = q->priv_data;
571
572 *size = fh->fmt->depth*fh->width*fh->height >> 3;
573 if (0 == *count)
574 *count = 32;
575 while (*size * *count > vid_limit * 1024 * 1024)
576 (*count)--;
577 return 0;
578 }
579
580 static int
581 buffer_prepare(struct videobuf_queue *q, struct videobuf_buffer *vb,
582 enum v4l2_field field)
583 {
584 struct cx8800_fh *fh = q->priv_data;
585 struct cx8800_dev *dev = fh->dev;
586 struct cx88_core *core = dev->core;
587 struct cx88_buffer *buf = container_of(vb,struct cx88_buffer,vb);
588 struct videobuf_dmabuf *dma=videobuf_to_dma(&buf->vb);
589 int rc, init_buffer = 0;
590
591 BUG_ON(NULL == fh->fmt);
592 if (fh->width < 48 || fh->width > norm_maxw(core->tvnorm) ||
593 fh->height < 32 || fh->height > norm_maxh(core->tvnorm))
594 return -EINVAL;
595 buf->vb.size = (fh->width * fh->height * fh->fmt->depth) >> 3;
596 if (0 != buf->vb.baddr && buf->vb.bsize < buf->vb.size)
597 return -EINVAL;
598
599 if (buf->fmt != fh->fmt ||
600 buf->vb.width != fh->width ||
601 buf->vb.height != fh->height ||
602 buf->vb.field != field) {
603 buf->fmt = fh->fmt;
604 buf->vb.width = fh->width;
605 buf->vb.height = fh->height;
606 buf->vb.field = field;
607 init_buffer = 1;
608 }
609
610 if (VIDEOBUF_NEEDS_INIT == buf->vb.state) {
611 init_buffer = 1;
612 if (0 != (rc = videobuf_iolock(q,&buf->vb,NULL)))
613 goto fail;
614 }
615
616 if (init_buffer) {
617 buf->bpl = buf->vb.width * buf->fmt->depth >> 3;
618 switch (buf->vb.field) {
619 case V4L2_FIELD_TOP:
620 cx88_risc_buffer(dev->pci, &buf->risc,
621 dma->sglist, 0, UNSET,
622 buf->bpl, 0, buf->vb.height);
623 break;
624 case V4L2_FIELD_BOTTOM:
625 cx88_risc_buffer(dev->pci, &buf->risc,
626 dma->sglist, UNSET, 0,
627 buf->bpl, 0, buf->vb.height);
628 break;
629 case V4L2_FIELD_INTERLACED:
630 cx88_risc_buffer(dev->pci, &buf->risc,
631 dma->sglist, 0, buf->bpl,
632 buf->bpl, buf->bpl,
633 buf->vb.height >> 1);
634 break;
635 case V4L2_FIELD_SEQ_TB:
636 cx88_risc_buffer(dev->pci, &buf->risc,
637 dma->sglist,
638 0, buf->bpl * (buf->vb.height >> 1),
639 buf->bpl, 0,
640 buf->vb.height >> 1);
641 break;
642 case V4L2_FIELD_SEQ_BT:
643 cx88_risc_buffer(dev->pci, &buf->risc,
644 dma->sglist,
645 buf->bpl * (buf->vb.height >> 1), 0,
646 buf->bpl, 0,
647 buf->vb.height >> 1);
648 break;
649 default:
650 BUG();
651 }
652 }
653 dprintk(2,"[%p/%d] buffer_prepare - %dx%d %dbpp \"%s\" - dma=0x%08lx\n",
654 buf, buf->vb.i,
655 fh->width, fh->height, fh->fmt->depth, fh->fmt->name,
656 (unsigned long)buf->risc.dma);
657
658 buf->vb.state = VIDEOBUF_PREPARED;
659 return 0;
660
661 fail:
662 cx88_free_buffer(q,buf);
663 return rc;
664 }
665
666 static void
667 buffer_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb)
668 {
669 struct cx88_buffer *buf = container_of(vb,struct cx88_buffer,vb);
670 struct cx88_buffer *prev;
671 struct cx8800_fh *fh = vq->priv_data;
672 struct cx8800_dev *dev = fh->dev;
673 struct cx88_core *core = dev->core;
674 struct cx88_dmaqueue *q = &dev->vidq;
675
676 /* add jump to stopper */
677 buf->risc.jmp[0] = cpu_to_le32(RISC_JUMP | RISC_IRQ1 | RISC_CNT_INC);
678 buf->risc.jmp[1] = cpu_to_le32(q->stopper.dma);
679
680 if (!list_empty(&q->queued)) {
681 list_add_tail(&buf->vb.queue,&q->queued);
682 buf->vb.state = VIDEOBUF_QUEUED;
683 dprintk(2,"[%p/%d] buffer_queue - append to queued\n",
684 buf, buf->vb.i);
685
686 } else if (list_empty(&q->active)) {
687 list_add_tail(&buf->vb.queue,&q->active);
688 start_video_dma(dev, q, buf);
689 buf->vb.state = VIDEOBUF_ACTIVE;
690 buf->count = q->count++;
691 mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT);
692 dprintk(2,"[%p/%d] buffer_queue - first active\n",
693 buf, buf->vb.i);
694
695 } else {
696 prev = list_entry(q->active.prev, struct cx88_buffer, vb.queue);
697 if (prev->vb.width == buf->vb.width &&
698 prev->vb.height == buf->vb.height &&
699 prev->fmt == buf->fmt) {
700 list_add_tail(&buf->vb.queue,&q->active);
701 buf->vb.state = VIDEOBUF_ACTIVE;
702 buf->count = q->count++;
703 prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma);
704 dprintk(2,"[%p/%d] buffer_queue - append to active\n",
705 buf, buf->vb.i);
706
707 } else {
708 list_add_tail(&buf->vb.queue,&q->queued);
709 buf->vb.state = VIDEOBUF_QUEUED;
710 dprintk(2,"[%p/%d] buffer_queue - first queued\n",
711 buf, buf->vb.i);
712 }
713 }
714 }
715
716 static void buffer_release(struct videobuf_queue *q, struct videobuf_buffer *vb)
717 {
718 struct cx88_buffer *buf = container_of(vb,struct cx88_buffer,vb);
719
720 cx88_free_buffer(q,buf);
721 }
722
723 static struct videobuf_queue_ops cx8800_video_qops = {
724 .buf_setup = buffer_setup,
725 .buf_prepare = buffer_prepare,
726 .buf_queue = buffer_queue,
727 .buf_release = buffer_release,
728 };
729
730 /* ------------------------------------------------------------------ */
731
732
733 /* ------------------------------------------------------------------ */
734
735 static struct videobuf_queue* get_queue(struct cx8800_fh *fh)
736 {
737 switch (fh->type) {
738 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
739 return &fh->vidq;
740 case V4L2_BUF_TYPE_VBI_CAPTURE:
741 return &fh->vbiq;
742 default:
743 BUG();
744 return NULL;
745 }
746 }
747
748 static int get_ressource(struct cx8800_fh *fh)
749 {
750 switch (fh->type) {
751 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
752 return RESOURCE_VIDEO;
753 case V4L2_BUF_TYPE_VBI_CAPTURE:
754 return RESOURCE_VBI;
755 default:
756 BUG();
757 return 0;
758 }
759 }
760
761 static int video_open(struct file *file)
762 {
763 int minor = video_devdata(file)->minor;
764 struct cx8800_dev *h,*dev = NULL;
765 struct cx88_core *core;
766 struct cx8800_fh *fh;
767 enum v4l2_buf_type type = 0;
768 int radio = 0;
769
770 lock_kernel();
771 list_for_each_entry(h, &cx8800_devlist, devlist) {
772 if (h->video_dev->minor == minor) {
773 dev = h;
774 type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
775 }
776 if (h->vbi_dev->minor == minor) {
777 dev = h;
778 type = V4L2_BUF_TYPE_VBI_CAPTURE;
779 }
780 if (h->radio_dev &&
781 h->radio_dev->minor == minor) {
782 radio = 1;
783 dev = h;
784 }
785 }
786 if (NULL == dev) {
787 unlock_kernel();
788 return -ENODEV;
789 }
790
791 core = dev->core;
792
793 dprintk(1,"open minor=%d radio=%d type=%s\n",
794 minor,radio,v4l2_type_names[type]);
795
796 /* allocate + initialize per filehandle data */
797 fh = kzalloc(sizeof(*fh),GFP_KERNEL);
798 if (NULL == fh) {
799 unlock_kernel();
800 return -ENOMEM;
801 }
802 file->private_data = fh;
803 fh->dev = dev;
804 fh->radio = radio;
805 fh->type = type;
806 fh->width = 320;
807 fh->height = 240;
808 fh->fmt = format_by_fourcc(V4L2_PIX_FMT_BGR24);
809
810 videobuf_queue_sg_init(&fh->vidq, &cx8800_video_qops,
811 &dev->pci->dev, &dev->slock,
812 V4L2_BUF_TYPE_VIDEO_CAPTURE,
813 V4L2_FIELD_INTERLACED,
814 sizeof(struct cx88_buffer),
815 fh);
816 videobuf_queue_sg_init(&fh->vbiq, &cx8800_vbi_qops,
817 &dev->pci->dev, &dev->slock,
818 V4L2_BUF_TYPE_VBI_CAPTURE,
819 V4L2_FIELD_SEQ_TB,
820 sizeof(struct cx88_buffer),
821 fh);
822
823 if (fh->radio) {
824 dprintk(1,"video_open: setting radio device\n");
825 cx_write(MO_GP3_IO, core->board.radio.gpio3);
826 cx_write(MO_GP0_IO, core->board.radio.gpio0);
827 cx_write(MO_GP1_IO, core->board.radio.gpio1);
828 cx_write(MO_GP2_IO, core->board.radio.gpio2);
829 if (core->board.radio.audioroute) {
830 if(core->board.audio_chip &&
831 core->board.audio_chip == V4L2_IDENT_WM8775) {
832 struct v4l2_routing route;
833
834 route.input = core->board.radio.audioroute;
835 cx88_call_i2c_clients(core,
836 VIDIOC_INT_S_AUDIO_ROUTING, &route);
837 }
838 /* "I2S ADC mode" */
839 core->tvaudio = WW_I2SADC;
840 cx88_set_tvaudio(core);
841 } else {
842 /* FM Mode */
843 core->tvaudio = WW_FM;
844 cx88_set_tvaudio(core);
845 cx88_set_stereo(core,V4L2_TUNER_MODE_STEREO,1);
846 }
847 cx88_call_i2c_clients(core,AUDC_SET_RADIO,NULL);
848 }
849 unlock_kernel();
850
851 atomic_inc(&core->users);
852
853 return 0;
854 }
855
856 static ssize_t
857 video_read(struct file *file, char __user *data, size_t count, loff_t *ppos)
858 {
859 struct cx8800_fh *fh = file->private_data;
860
861 switch (fh->type) {
862 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
863 if (res_locked(fh->dev,RESOURCE_VIDEO))
864 return -EBUSY;
865 return videobuf_read_one(&fh->vidq, data, count, ppos,
866 file->f_flags & O_NONBLOCK);
867 case V4L2_BUF_TYPE_VBI_CAPTURE:
868 if (!res_get(fh->dev,fh,RESOURCE_VBI))
869 return -EBUSY;
870 return videobuf_read_stream(&fh->vbiq, data, count, ppos, 1,
871 file->f_flags & O_NONBLOCK);
872 default:
873 BUG();
874 return 0;
875 }
876 }
877
878 static unsigned int
879 video_poll(struct file *file, struct poll_table_struct *wait)
880 {
881 struct cx8800_fh *fh = file->private_data;
882 struct cx88_buffer *buf;
883
884 if (V4L2_BUF_TYPE_VBI_CAPTURE == fh->type) {
885 if (!res_get(fh->dev,fh,RESOURCE_VBI))
886 return POLLERR;
887 return videobuf_poll_stream(file, &fh->vbiq, wait);
888 }
889
890 if (res_check(fh,RESOURCE_VIDEO)) {
891 /* streaming capture */
892 if (list_empty(&fh->vidq.stream))
893 return POLLERR;
894 buf = list_entry(fh->vidq.stream.next,struct cx88_buffer,vb.stream);
895 } else {
896 /* read() capture */
897 buf = (struct cx88_buffer*)fh->vidq.read_buf;
898 if (NULL == buf)
899 return POLLERR;
900 }
901 poll_wait(file, &buf->vb.done, wait);
902 if (buf->vb.state == VIDEOBUF_DONE ||
903 buf->vb.state == VIDEOBUF_ERROR)
904 return POLLIN|POLLRDNORM;
905 return 0;
906 }
907
908 static int video_release(struct file *file)
909 {
910 struct cx8800_fh *fh = file->private_data;
911 struct cx8800_dev *dev = fh->dev;
912
913 /* turn off overlay */
914 if (res_check(fh, RESOURCE_OVERLAY)) {
915 /* FIXME */
916 res_free(dev,fh,RESOURCE_OVERLAY);
917 }
918
919 /* stop video capture */
920 if (res_check(fh, RESOURCE_VIDEO)) {
921 videobuf_queue_cancel(&fh->vidq);
922 res_free(dev,fh,RESOURCE_VIDEO);
923 }
924 if (fh->vidq.read_buf) {
925 buffer_release(&fh->vidq,fh->vidq.read_buf);
926 kfree(fh->vidq.read_buf);
927 }
928
929 /* stop vbi capture */
930 if (res_check(fh, RESOURCE_VBI)) {
931 videobuf_stop(&fh->vbiq);
932 res_free(dev,fh,RESOURCE_VBI);
933 }
934
935 videobuf_mmap_free(&fh->vidq);
936 videobuf_mmap_free(&fh->vbiq);
937 file->private_data = NULL;
938 kfree(fh);
939
940 if(atomic_dec_and_test(&dev->core->users))
941 cx88_call_i2c_clients (dev->core, TUNER_SET_STANDBY, NULL);
942
943 return 0;
944 }
945
946 static int
947 video_mmap(struct file *file, struct vm_area_struct * vma)
948 {
949 struct cx8800_fh *fh = file->private_data;
950
951 return videobuf_mmap_mapper(get_queue(fh), vma);
952 }
953
954 /* ------------------------------------------------------------------ */
955 /* VIDEO CTRL IOCTLS */
956
957 int cx88_get_control (struct cx88_core *core, struct v4l2_control *ctl)
958 {
959 struct cx88_ctrl *c = NULL;
960 u32 value;
961 int i;
962
963 for (i = 0; i < CX8800_CTLS; i++)
964 if (cx8800_ctls[i].v.id == ctl->id)
965 c = &cx8800_ctls[i];
966 if (unlikely(NULL == c))
967 return -EINVAL;
968
969 value = c->sreg ? cx_sread(c->sreg) : cx_read(c->reg);
970 switch (ctl->id) {
971 case V4L2_CID_AUDIO_BALANCE:
972 ctl->value = ((value & 0x7f) < 0x40) ? ((value & 0x7f) + 0x40)
973 : (0x7f - (value & 0x7f));
974 break;
975 case V4L2_CID_AUDIO_VOLUME:
976 ctl->value = 0x3f - (value & 0x3f);
977 break;
978 default:
979 ctl->value = ((value + (c->off << c->shift)) & c->mask) >> c->shift;
980 break;
981 }
982 dprintk(1,"get_control id=0x%X(%s) ctrl=0x%02x, reg=0x%02x val=0x%02x (mask 0x%02x)%s\n",
983 ctl->id, c->v.name, ctl->value, c->reg,
984 value,c->mask, c->sreg ? " [shadowed]" : "");
985 return 0;
986 }
987 EXPORT_SYMBOL(cx88_get_control);
988
989 int cx88_set_control(struct cx88_core *core, struct v4l2_control *ctl)
990 {
991 struct cx88_ctrl *c = NULL;
992 u32 value,mask;
993 int i;
994
995 for (i = 0; i < CX8800_CTLS; i++) {
996 if (cx8800_ctls[i].v.id == ctl->id) {
997 c = &cx8800_ctls[i];
998 }
999 }
1000 if (unlikely(NULL == c))
1001 return -EINVAL;
1002
1003 if (ctl->value < c->v.minimum)
1004 ctl->value = c->v.minimum;
1005 if (ctl->value > c->v.maximum)
1006 ctl->value = c->v.maximum;
1007 mask=c->mask;
1008 switch (ctl->id) {
1009 case V4L2_CID_AUDIO_BALANCE:
1010 value = (ctl->value < 0x40) ? (0x7f - ctl->value) : (ctl->value - 0x40);
1011 break;
1012 case V4L2_CID_AUDIO_VOLUME:
1013 value = 0x3f - (ctl->value & 0x3f);
1014 break;
1015 case V4L2_CID_SATURATION:
1016 /* special v_sat handling */
1017
1018 value = ((ctl->value - c->off) << c->shift) & c->mask;
1019
1020 if (core->tvnorm & V4L2_STD_SECAM) {
1021 /* For SECAM, both U and V sat should be equal */
1022 value=value<<8|value;
1023 } else {
1024 /* Keeps U Saturation proportional to V Sat */
1025 value=(value*0x5a)/0x7f<<8|value;
1026 }
1027 mask=0xffff;
1028 break;
1029 case V4L2_CID_CHROMA_AGC:
1030 /* Do not allow chroma AGC to be enabled for SECAM */
1031 value = ((ctl->value - c->off) << c->shift) & c->mask;
1032 if (core->tvnorm & V4L2_STD_SECAM && value)
1033 return -EINVAL;
1034 break;
1035 default:
1036 value = ((ctl->value - c->off) << c->shift) & c->mask;
1037 break;
1038 }
1039 dprintk(1,"set_control id=0x%X(%s) ctrl=0x%02x, reg=0x%02x val=0x%02x (mask 0x%02x)%s\n",
1040 ctl->id, c->v.name, ctl->value, c->reg, value,
1041 mask, c->sreg ? " [shadowed]" : "");
1042 if (c->sreg) {
1043 cx_sandor(c->sreg, c->reg, mask, value);
1044 } else {
1045 cx_andor(c->reg, mask, value);
1046 }
1047 return 0;
1048 }
1049 EXPORT_SYMBOL(cx88_set_control);
1050
1051 static void init_controls(struct cx88_core *core)
1052 {
1053 struct v4l2_control ctrl;
1054 int i;
1055
1056 for (i = 0; i < CX8800_CTLS; i++) {
1057 ctrl.id=cx8800_ctls[i].v.id;
1058 ctrl.value=cx8800_ctls[i].v.default_value;
1059
1060 cx88_set_control(core, &ctrl);
1061 }
1062 }
1063
1064 /* ------------------------------------------------------------------ */
1065 /* VIDEO IOCTLS */
1066
1067 static int vidioc_g_fmt_vid_cap(struct file *file, void *priv,
1068 struct v4l2_format *f)
1069 {
1070 struct cx8800_fh *fh = priv;
1071
1072 f->fmt.pix.width = fh->width;
1073 f->fmt.pix.height = fh->height;
1074 f->fmt.pix.field = fh->vidq.field;
1075 f->fmt.pix.pixelformat = fh->fmt->fourcc;
1076 f->fmt.pix.bytesperline =
1077 (f->fmt.pix.width * fh->fmt->depth) >> 3;
1078 f->fmt.pix.sizeimage =
1079 f->fmt.pix.height * f->fmt.pix.bytesperline;
1080 return 0;
1081 }
1082
1083 static int vidioc_try_fmt_vid_cap(struct file *file, void *priv,
1084 struct v4l2_format *f)
1085 {
1086 struct cx88_core *core = ((struct cx8800_fh *)priv)->dev->core;
1087 struct cx8800_fmt *fmt;
1088 enum v4l2_field field;
1089 unsigned int maxw, maxh;
1090
1091 fmt = format_by_fourcc(f->fmt.pix.pixelformat);
1092 if (NULL == fmt)
1093 return -EINVAL;
1094
1095 field = f->fmt.pix.field;
1096 maxw = norm_maxw(core->tvnorm);
1097 maxh = norm_maxh(core->tvnorm);
1098
1099 if (V4L2_FIELD_ANY == field) {
1100 field = (f->fmt.pix.height > maxh/2)
1101 ? V4L2_FIELD_INTERLACED
1102 : V4L2_FIELD_BOTTOM;
1103 }
1104
1105 switch (field) {
1106 case V4L2_FIELD_TOP:
1107 case V4L2_FIELD_BOTTOM:
1108 maxh = maxh / 2;
1109 break;
1110 case V4L2_FIELD_INTERLACED:
1111 break;
1112 default:
1113 return -EINVAL;
1114 }
1115
1116 f->fmt.pix.field = field;
1117 if (f->fmt.pix.height < 32)
1118 f->fmt.pix.height = 32;
1119 if (f->fmt.pix.height > maxh)
1120 f->fmt.pix.height = maxh;
1121 if (f->fmt.pix.width < 48)
1122 f->fmt.pix.width = 48;
1123 if (f->fmt.pix.width > maxw)
1124 f->fmt.pix.width = maxw;
1125 f->fmt.pix.width &= ~0x03;
1126 f->fmt.pix.bytesperline =
1127 (f->fmt.pix.width * fmt->depth) >> 3;
1128 f->fmt.pix.sizeimage =
1129 f->fmt.pix.height * f->fmt.pix.bytesperline;
1130
1131 return 0;
1132 }
1133
1134 static int vidioc_s_fmt_vid_cap(struct file *file, void *priv,
1135 struct v4l2_format *f)
1136 {
1137 struct cx8800_fh *fh = priv;
1138 int err = vidioc_try_fmt_vid_cap (file,priv,f);
1139
1140 if (0 != err)
1141 return err;
1142 fh->fmt = format_by_fourcc(f->fmt.pix.pixelformat);
1143 fh->width = f->fmt.pix.width;
1144 fh->height = f->fmt.pix.height;
1145 fh->vidq.field = f->fmt.pix.field;
1146 return 0;
1147 }
1148
1149 static int vidioc_querycap (struct file *file, void *priv,
1150 struct v4l2_capability *cap)
1151 {
1152 struct cx8800_dev *dev = ((struct cx8800_fh *)priv)->dev;
1153 struct cx88_core *core = dev->core;
1154
1155 strcpy(cap->driver, "cx8800");
1156 strlcpy(cap->card, core->board.name, sizeof(cap->card));
1157 sprintf(cap->bus_info,"PCI:%s",pci_name(dev->pci));
1158 cap->version = CX88_VERSION_CODE;
1159 cap->capabilities =
1160 V4L2_CAP_VIDEO_CAPTURE |
1161 V4L2_CAP_READWRITE |
1162 V4L2_CAP_STREAMING |
1163 V4L2_CAP_VBI_CAPTURE;
1164 if (UNSET != core->board.tuner_type)
1165 cap->capabilities |= V4L2_CAP_TUNER;
1166 return 0;
1167 }
1168
1169 static int vidioc_enum_fmt_vid_cap (struct file *file, void *priv,
1170 struct v4l2_fmtdesc *f)
1171 {
1172 if (unlikely(f->index >= ARRAY_SIZE(formats)))
1173 return -EINVAL;
1174
1175 strlcpy(f->description,formats[f->index].name,sizeof(f->description));
1176 f->pixelformat = formats[f->index].fourcc;
1177
1178 return 0;
1179 }
1180
1181 #ifdef CONFIG_VIDEO_V4L1_COMPAT
1182 static int vidiocgmbuf (struct file *file, void *priv, struct video_mbuf *mbuf)
1183 {
1184 struct cx8800_fh *fh = priv;
1185
1186 return videobuf_cgmbuf (get_queue(fh), mbuf, 8);
1187 }
1188 #endif
1189
1190 static int vidioc_reqbufs (struct file *file, void *priv, struct v4l2_requestbuffers *p)
1191 {
1192 struct cx8800_fh *fh = priv;
1193 return (videobuf_reqbufs(get_queue(fh), p));
1194 }
1195
1196 static int vidioc_querybuf (struct file *file, void *priv, struct v4l2_buffer *p)
1197 {
1198 struct cx8800_fh *fh = priv;
1199 return (videobuf_querybuf(get_queue(fh), p));
1200 }
1201
1202 static int vidioc_qbuf (struct file *file, void *priv, struct v4l2_buffer *p)
1203 {
1204 struct cx8800_fh *fh = priv;
1205 return (videobuf_qbuf(get_queue(fh), p));
1206 }
1207
1208 static int vidioc_dqbuf (struct file *file, void *priv, struct v4l2_buffer *p)
1209 {
1210 struct cx8800_fh *fh = priv;
1211 return (videobuf_dqbuf(get_queue(fh), p,
1212 file->f_flags & O_NONBLOCK));
1213 }
1214
1215 static int vidioc_streamon(struct file *file, void *priv, enum v4l2_buf_type i)
1216 {
1217 struct cx8800_fh *fh = priv;
1218 struct cx8800_dev *dev = fh->dev;
1219
1220 /* We should remember that this driver also supports teletext, */
1221 /* so we have to test if the v4l2_buf_type is VBI capture data. */
1222 if (unlikely((fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) &&
1223 (fh->type != V4L2_BUF_TYPE_VBI_CAPTURE)))
1224 return -EINVAL;
1225
1226 if (unlikely(i != fh->type))
1227 return -EINVAL;
1228
1229 if (unlikely(!res_get(dev,fh,get_ressource(fh))))
1230 return -EBUSY;
1231 return videobuf_streamon(get_queue(fh));
1232 }
1233
1234 static int vidioc_streamoff(struct file *file, void *priv, enum v4l2_buf_type i)
1235 {
1236 struct cx8800_fh *fh = priv;
1237 struct cx8800_dev *dev = fh->dev;
1238 int err, res;
1239
1240 if ((fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) &&
1241 (fh->type != V4L2_BUF_TYPE_VBI_CAPTURE))
1242 return -EINVAL;
1243
1244 if (i != fh->type)
1245 return -EINVAL;
1246
1247 res = get_ressource(fh);
1248 err = videobuf_streamoff(get_queue(fh));
1249 if (err < 0)
1250 return err;
1251 res_free(dev,fh,res);
1252 return 0;
1253 }
1254
1255 static int vidioc_s_std (struct file *file, void *priv, v4l2_std_id *tvnorms)
1256 {
1257 struct cx88_core *core = ((struct cx8800_fh *)priv)->dev->core;
1258
1259 mutex_lock(&core->lock);
1260 cx88_set_tvnorm(core,*tvnorms);
1261 mutex_unlock(&core->lock);
1262
1263 return 0;
1264 }
1265
1266 /* only one input in this sample driver */
1267 int cx88_enum_input (struct cx88_core *core,struct v4l2_input *i)
1268 {
1269 static const char *iname[] = {
1270 [ CX88_VMUX_COMPOSITE1 ] = "Composite1",
1271 [ CX88_VMUX_COMPOSITE2 ] = "Composite2",
1272 [ CX88_VMUX_COMPOSITE3 ] = "Composite3",
1273 [ CX88_VMUX_COMPOSITE4 ] = "Composite4",
1274 [ CX88_VMUX_SVIDEO ] = "S-Video",
1275 [ CX88_VMUX_TELEVISION ] = "Television",
1276 [ CX88_VMUX_CABLE ] = "Cable TV",
1277 [ CX88_VMUX_DVB ] = "DVB",
1278 [ CX88_VMUX_DEBUG ] = "for debug only",
1279 };
1280 unsigned int n = i->index;
1281
1282 if (n >= 4)
1283 return -EINVAL;
1284 if (0 == INPUT(n).type)
1285 return -EINVAL;
1286 i->type = V4L2_INPUT_TYPE_CAMERA;
1287 strcpy(i->name,iname[INPUT(n).type]);
1288 if ((CX88_VMUX_TELEVISION == INPUT(n).type) ||
1289 (CX88_VMUX_CABLE == INPUT(n).type))
1290 i->type = V4L2_INPUT_TYPE_TUNER;
1291 i->std = CX88_NORMS;
1292 return 0;
1293 }
1294 EXPORT_SYMBOL(cx88_enum_input);
1295
1296 static int vidioc_enum_input (struct file *file, void *priv,
1297 struct v4l2_input *i)
1298 {
1299 struct cx88_core *core = ((struct cx8800_fh *)priv)->dev->core;
1300 return cx88_enum_input (core,i);
1301 }
1302
1303 static int vidioc_g_input (struct file *file, void *priv, unsigned int *i)
1304 {
1305 struct cx88_core *core = ((struct cx8800_fh *)priv)->dev->core;
1306
1307 *i = core->input;
1308 return 0;
1309 }
1310
1311 static int vidioc_s_input (struct file *file, void *priv, unsigned int i)
1312 {
1313 struct cx88_core *core = ((struct cx8800_fh *)priv)->dev->core;
1314
1315 if (i >= 4)
1316 return -EINVAL;
1317
1318 mutex_lock(&core->lock);
1319 cx88_newstation(core);
1320 cx88_video_mux(core,i);
1321 mutex_unlock(&core->lock);
1322 return 0;
1323 }
1324
1325
1326
1327 static int vidioc_queryctrl (struct file *file, void *priv,
1328 struct v4l2_queryctrl *qctrl)
1329 {
1330 struct cx88_core *core = ((struct cx8800_fh *)priv)->dev->core;
1331
1332 qctrl->id = v4l2_ctrl_next(ctrl_classes, qctrl->id);
1333 if (unlikely(qctrl->id == 0))
1334 return -EINVAL;
1335 return cx8800_ctrl_query(core, qctrl);
1336 }
1337
1338 static int vidioc_g_ctrl (struct file *file, void *priv,
1339 struct v4l2_control *ctl)
1340 {
1341 struct cx88_core *core = ((struct cx8800_fh *)priv)->dev->core;
1342 return
1343 cx88_get_control(core,ctl);
1344 }
1345
1346 static int vidioc_s_ctrl (struct file *file, void *priv,
1347 struct v4l2_control *ctl)
1348 {
1349 struct cx88_core *core = ((struct cx8800_fh *)priv)->dev->core;
1350 return
1351 cx88_set_control(core,ctl);
1352 }
1353
1354 static int vidioc_g_tuner (struct file *file, void *priv,
1355 struct v4l2_tuner *t)
1356 {
1357 struct cx88_core *core = ((struct cx8800_fh *)priv)->dev->core;
1358 u32 reg;
1359
1360 if (unlikely(UNSET == core->board.tuner_type))
1361 return -EINVAL;
1362 if (0 != t->index)
1363 return -EINVAL;
1364
1365 strcpy(t->name, "Television");
1366 t->type = V4L2_TUNER_ANALOG_TV;
1367 t->capability = V4L2_TUNER_CAP_NORM;
1368 t->rangehigh = 0xffffffffUL;
1369
1370 cx88_get_stereo(core ,t);
1371 reg = cx_read(MO_DEVICE_STATUS);
1372 t->signal = (reg & (1<<5)) ? 0xffff : 0x0000;
1373 return 0;
1374 }
1375
1376 static int vidioc_s_tuner (struct file *file, void *priv,
1377 struct v4l2_tuner *t)
1378 {
1379 struct cx88_core *core = ((struct cx8800_fh *)priv)->dev->core;
1380
1381 if (UNSET == core->board.tuner_type)
1382 return -EINVAL;
1383 if (0 != t->index)
1384 return -EINVAL;
1385
1386 cx88_set_stereo(core, t->audmode, 1);
1387 return 0;
1388 }
1389
1390 static int vidioc_g_frequency (struct file *file, void *priv,
1391 struct v4l2_frequency *f)
1392 {
1393 struct cx8800_fh *fh = priv;
1394 struct cx88_core *core = fh->dev->core;
1395
1396 if (unlikely(UNSET == core->board.tuner_type))
1397 return -EINVAL;
1398
1399 /* f->type = fh->radio ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV; */
1400 f->type = fh->radio ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV;
1401 f->frequency = core->freq;
1402
1403 cx88_call_i2c_clients(core,VIDIOC_G_FREQUENCY,f);
1404
1405 return 0;
1406 }
1407
1408 int cx88_set_freq (struct cx88_core *core,
1409 struct v4l2_frequency *f)
1410 {
1411 if (unlikely(UNSET == core->board.tuner_type))
1412 return -EINVAL;
1413 if (unlikely(f->tuner != 0))
1414 return -EINVAL;
1415
1416 mutex_lock(&core->lock);
1417 core->freq = f->frequency;
1418 cx88_newstation(core);
1419 cx88_call_i2c_clients(core,VIDIOC_S_FREQUENCY,f);
1420
1421 /* When changing channels it is required to reset TVAUDIO */
1422 msleep (10);
1423 cx88_set_tvaudio(core);
1424
1425 mutex_unlock(&core->lock);
1426
1427 return 0;
1428 }
1429 EXPORT_SYMBOL(cx88_set_freq);
1430
1431 static int vidioc_s_frequency (struct file *file, void *priv,
1432 struct v4l2_frequency *f)
1433 {
1434 struct cx8800_fh *fh = priv;
1435 struct cx88_core *core = fh->dev->core;
1436
1437 if (unlikely(0 == fh->radio && f->type != V4L2_TUNER_ANALOG_TV))
1438 return -EINVAL;
1439 if (unlikely(1 == fh->radio && f->type != V4L2_TUNER_RADIO))
1440 return -EINVAL;
1441
1442 return
1443 cx88_set_freq (core,f);
1444 }
1445
1446 #ifdef CONFIG_VIDEO_ADV_DEBUG
1447 static int vidioc_g_register (struct file *file, void *fh,
1448 struct v4l2_dbg_register *reg)
1449 {
1450 struct cx88_core *core = ((struct cx8800_fh*)fh)->dev->core;
1451
1452 if (!v4l2_chip_match_host(&reg->match))
1453 return -EINVAL;
1454 /* cx2388x has a 24-bit register space */
1455 reg->val = cx_read(reg->reg & 0xffffff);
1456 reg->size = 4;
1457 return 0;
1458 }
1459
1460 static int vidioc_s_register (struct file *file, void *fh,
1461 struct v4l2_dbg_register *reg)
1462 {
1463 struct cx88_core *core = ((struct cx8800_fh*)fh)->dev->core;
1464
1465 if (!v4l2_chip_match_host(&reg->match))
1466 return -EINVAL;
1467 cx_write(reg->reg & 0xffffff, reg->val);
1468 return 0;
1469 }
1470 #endif
1471
1472 /* ----------------------------------------------------------- */
1473 /* RADIO ESPECIFIC IOCTLS */
1474 /* ----------------------------------------------------------- */
1475
1476 static int radio_querycap (struct file *file, void *priv,
1477 struct v4l2_capability *cap)
1478 {
1479 struct cx8800_dev *dev = ((struct cx8800_fh *)priv)->dev;
1480 struct cx88_core *core = dev->core;
1481
1482 strcpy(cap->driver, "cx8800");
1483 strlcpy(cap->card, core->board.name, sizeof(cap->card));
1484 sprintf(cap->bus_info,"PCI:%s", pci_name(dev->pci));
1485 cap->version = CX88_VERSION_CODE;
1486 cap->capabilities = V4L2_CAP_TUNER;
1487 return 0;
1488 }
1489
1490 static int radio_g_tuner (struct file *file, void *priv,
1491 struct v4l2_tuner *t)
1492 {
1493 struct cx88_core *core = ((struct cx8800_fh *)priv)->dev->core;
1494
1495 if (unlikely(t->index > 0))
1496 return -EINVAL;
1497
1498 strcpy(t->name, "Radio");
1499 t->type = V4L2_TUNER_RADIO;
1500
1501 cx88_call_i2c_clients(core,VIDIOC_G_TUNER,t);
1502 return 0;
1503 }
1504
1505 static int radio_enum_input (struct file *file, void *priv,
1506 struct v4l2_input *i)
1507 {
1508 if (i->index != 0)
1509 return -EINVAL;
1510 strcpy(i->name,"Radio");
1511 i->type = V4L2_INPUT_TYPE_TUNER;
1512
1513 return 0;
1514 }
1515
1516 static int radio_g_audio (struct file *file, void *priv, struct v4l2_audio *a)
1517 {
1518 if (unlikely(a->index))
1519 return -EINVAL;
1520
1521 strcpy(a->name,"Radio");
1522 return 0;
1523 }
1524
1525 /* FIXME: Should add a standard for radio */
1526
1527 static int radio_s_tuner (struct file *file, void *priv,
1528 struct v4l2_tuner *t)
1529 {
1530 struct cx88_core *core = ((struct cx8800_fh *)priv)->dev->core;
1531
1532 if (0 != t->index)
1533 return -EINVAL;
1534
1535 cx88_call_i2c_clients(core,VIDIOC_S_TUNER,t);
1536
1537 return 0;
1538 }
1539
1540 static int radio_s_audio (struct file *file, void *fh,
1541 struct v4l2_audio *a)
1542 {
1543 return 0;
1544 }
1545
1546 static int radio_s_input (struct file *file, void *fh, unsigned int i)
1547 {
1548 return 0;
1549 }
1550
1551 static int radio_queryctrl (struct file *file, void *priv,
1552 struct v4l2_queryctrl *c)
1553 {
1554 int i;
1555
1556 if (c->id < V4L2_CID_BASE ||
1557 c->id >= V4L2_CID_LASTP1)
1558 return -EINVAL;
1559 if (c->id == V4L2_CID_AUDIO_MUTE) {
1560 for (i = 0; i < CX8800_CTLS; i++)
1561 if (cx8800_ctls[i].v.id == c->id)
1562 break;
1563 *c = cx8800_ctls[i].v;
1564 } else
1565 *c = no_ctl;
1566 return 0;
1567 }
1568
1569 /* ----------------------------------------------------------- */
1570
1571 static void cx8800_vid_timeout(unsigned long data)
1572 {
1573 struct cx8800_dev *dev = (struct cx8800_dev*)data;
1574 struct cx88_core *core = dev->core;
1575 struct cx88_dmaqueue *q = &dev->vidq;
1576 struct cx88_buffer *buf;
1577 unsigned long flags;
1578
1579 cx88_sram_channel_dump(core, &cx88_sram_channels[SRAM_CH21]);
1580
1581 cx_clear(MO_VID_DMACNTRL, 0x11);
1582 cx_clear(VID_CAPTURE_CONTROL, 0x06);
1583
1584 spin_lock_irqsave(&dev->slock,flags);
1585 while (!list_empty(&q->active)) {
1586 buf = list_entry(q->active.next, struct cx88_buffer, vb.queue);
1587 list_del(&buf->vb.queue);
1588 buf->vb.state = VIDEOBUF_ERROR;
1589 wake_up(&buf->vb.done);
1590 printk("%s/0: [%p/%d] timeout - dma=0x%08lx\n", core->name,
1591 buf, buf->vb.i, (unsigned long)buf->risc.dma);
1592 }
1593 restart_video_queue(dev,q);
1594 spin_unlock_irqrestore(&dev->slock,flags);
1595 }
1596
1597 static char *cx88_vid_irqs[32] = {
1598 "y_risci1", "u_risci1", "v_risci1", "vbi_risc1",
1599 "y_risci2", "u_risci2", "v_risci2", "vbi_risc2",
1600 "y_oflow", "u_oflow", "v_oflow", "vbi_oflow",
1601 "y_sync", "u_sync", "v_sync", "vbi_sync",
1602 "opc_err", "par_err", "rip_err", "pci_abort",
1603 };
1604
1605 static void cx8800_vid_irq(struct cx8800_dev *dev)
1606 {
1607 struct cx88_core *core = dev->core;
1608 u32 status, mask, count;
1609
1610 status = cx_read(MO_VID_INTSTAT);
1611 mask = cx_read(MO_VID_INTMSK);
1612 if (0 == (status & mask))
1613 return;
1614 cx_write(MO_VID_INTSTAT, status);
1615 if (irq_debug || (status & mask & ~0xff))
1616 cx88_print_irqbits(core->name, "irq vid",
1617 cx88_vid_irqs, ARRAY_SIZE(cx88_vid_irqs),
1618 status, mask);
1619
1620 /* risc op code error */
1621 if (status & (1 << 16)) {
1622 printk(KERN_WARNING "%s/0: video risc op code error\n",core->name);
1623 cx_clear(MO_VID_DMACNTRL, 0x11);
1624 cx_clear(VID_CAPTURE_CONTROL, 0x06);
1625 cx88_sram_channel_dump(core, &cx88_sram_channels[SRAM_CH21]);
1626 }
1627
1628 /* risc1 y */
1629 if (status & 0x01) {
1630 spin_lock(&dev->slock);
1631 count = cx_read(MO_VIDY_GPCNT);
1632 cx88_wakeup(core, &dev->vidq, count);
1633 spin_unlock(&dev->slock);
1634 }
1635
1636 /* risc1 vbi */
1637 if (status & 0x08) {
1638 spin_lock(&dev->slock);
1639 count = cx_read(MO_VBI_GPCNT);
1640 cx88_wakeup(core, &dev->vbiq, count);
1641 spin_unlock(&dev->slock);
1642 }
1643
1644 /* risc2 y */
1645 if (status & 0x10) {
1646 dprintk(2,"stopper video\n");
1647 spin_lock(&dev->slock);
1648 restart_video_queue(dev,&dev->vidq);
1649 spin_unlock(&dev->slock);
1650 }
1651
1652 /* risc2 vbi */
1653 if (status & 0x80) {
1654 dprintk(2,"stopper vbi\n");
1655 spin_lock(&dev->slock);
1656 cx8800_restart_vbi_queue(dev,&dev->vbiq);
1657 spin_unlock(&dev->slock);
1658 }
1659 }
1660
1661 static irqreturn_t cx8800_irq(int irq, void *dev_id)
1662 {
1663 struct cx8800_dev *dev = dev_id;
1664 struct cx88_core *core = dev->core;
1665 u32 status;
1666 int loop, handled = 0;
1667
1668 for (loop = 0; loop < 10; loop++) {
1669 status = cx_read(MO_PCI_INTSTAT) &
1670 (core->pci_irqmask | PCI_INT_VIDINT);
1671 if (0 == status)
1672 goto out;
1673 cx_write(MO_PCI_INTSTAT, status);
1674 handled = 1;
1675
1676 if (status & core->pci_irqmask)
1677 cx88_core_irq(core,status);
1678 if (status & PCI_INT_VIDINT)
1679 cx8800_vid_irq(dev);
1680 };
1681 if (10 == loop) {
1682 printk(KERN_WARNING "%s/0: irq loop -- clearing mask\n",
1683 core->name);
1684 cx_write(MO_PCI_INTMSK,0);
1685 }
1686
1687 out:
1688 return IRQ_RETVAL(handled);
1689 }
1690
1691 /* ----------------------------------------------------------- */
1692 /* exported stuff */
1693
1694 static const struct v4l2_file_operations video_fops =
1695 {
1696 .owner = THIS_MODULE,
1697 .open = video_open,
1698 .release = video_release,
1699 .read = video_read,
1700 .poll = video_poll,
1701 .mmap = video_mmap,
1702 .ioctl = video_ioctl2,
1703 };
1704
1705 static const struct v4l2_ioctl_ops video_ioctl_ops = {
1706 .vidioc_querycap = vidioc_querycap,
1707 .vidioc_enum_fmt_vid_cap = vidioc_enum_fmt_vid_cap,
1708 .vidioc_g_fmt_vid_cap = vidioc_g_fmt_vid_cap,
1709 .vidioc_try_fmt_vid_cap = vidioc_try_fmt_vid_cap,
1710 .vidioc_s_fmt_vid_cap = vidioc_s_fmt_vid_cap,
1711 .vidioc_g_fmt_vbi_cap = cx8800_vbi_fmt,
1712 .vidioc_try_fmt_vbi_cap = cx8800_vbi_fmt,
1713 .vidioc_s_fmt_vbi_cap = cx8800_vbi_fmt,
1714 .vidioc_reqbufs = vidioc_reqbufs,
1715 .vidioc_querybuf = vidioc_querybuf,
1716 .vidioc_qbuf = vidioc_qbuf,
1717 .vidioc_dqbuf = vidioc_dqbuf,
1718 .vidioc_s_std = vidioc_s_std,
1719 .vidioc_enum_input = vidioc_enum_input,
1720 .vidioc_g_input = vidioc_g_input,
1721 .vidioc_s_input = vidioc_s_input,
1722 .vidioc_queryctrl = vidioc_queryctrl,
1723 .vidioc_g_ctrl = vidioc_g_ctrl,
1724 .vidioc_s_ctrl = vidioc_s_ctrl,
1725 .vidioc_streamon = vidioc_streamon,
1726 .vidioc_streamoff = vidioc_streamoff,
1727 #ifdef CONFIG_VIDEO_V4L1_COMPAT
1728 .vidiocgmbuf = vidiocgmbuf,
1729 #endif
1730 .vidioc_g_tuner = vidioc_g_tuner,
1731 .vidioc_s_tuner = vidioc_s_tuner,
1732 .vidioc_g_frequency = vidioc_g_frequency,
1733 .vidioc_s_frequency = vidioc_s_frequency,
1734 #ifdef CONFIG_VIDEO_ADV_DEBUG
1735 .vidioc_g_register = vidioc_g_register,
1736 .vidioc_s_register = vidioc_s_register,
1737 #endif
1738 };
1739
1740 static struct video_device cx8800_vbi_template;
1741
1742 static struct video_device cx8800_video_template = {
1743 .name = "cx8800-video",
1744 .fops = &video_fops,
1745 .minor = -1,
1746 .ioctl_ops = &video_ioctl_ops,
1747 .tvnorms = CX88_NORMS,
1748 .current_norm = V4L2_STD_NTSC_M,
1749 };
1750
1751 static const struct v4l2_file_operations radio_fops =
1752 {
1753 .owner = THIS_MODULE,
1754 .open = video_open,
1755 .release = video_release,
1756 .ioctl = video_ioctl2,
1757 };
1758
1759 static const struct v4l2_ioctl_ops radio_ioctl_ops = {
1760 .vidioc_querycap = radio_querycap,
1761 .vidioc_g_tuner = radio_g_tuner,
1762 .vidioc_enum_input = radio_enum_input,
1763 .vidioc_g_audio = radio_g_audio,
1764 .vidioc_s_tuner = radio_s_tuner,
1765 .vidioc_s_audio = radio_s_audio,
1766 .vidioc_s_input = radio_s_input,
1767 .vidioc_queryctrl = radio_queryctrl,
1768 .vidioc_g_ctrl = vidioc_g_ctrl,
1769 .vidioc_s_ctrl = vidioc_s_ctrl,
1770 .vidioc_g_frequency = vidioc_g_frequency,
1771 .vidioc_s_frequency = vidioc_s_frequency,
1772 #ifdef CONFIG_VIDEO_ADV_DEBUG
1773 .vidioc_g_register = vidioc_g_register,
1774 .vidioc_s_register = vidioc_s_register,
1775 #endif
1776 };
1777
1778 static struct video_device cx8800_radio_template = {
1779 .name = "cx8800-radio",
1780 .fops = &radio_fops,
1781 .minor = -1,
1782 .ioctl_ops = &radio_ioctl_ops,
1783 };
1784
1785 /* ----------------------------------------------------------- */
1786
1787 static void cx8800_unregister_video(struct cx8800_dev *dev)
1788 {
1789 if (dev->radio_dev) {
1790 if (-1 != dev->radio_dev->minor)
1791 video_unregister_device(dev->radio_dev);
1792 else
1793 video_device_release(dev->radio_dev);
1794 dev->radio_dev = NULL;
1795 }
1796 if (dev->vbi_dev) {
1797 if (-1 != dev->vbi_dev->minor)
1798 video_unregister_device(dev->vbi_dev);
1799 else
1800 video_device_release(dev->vbi_dev);
1801 dev->vbi_dev = NULL;
1802 }
1803 if (dev->video_dev) {
1804 if (-1 != dev->video_dev->minor)
1805 video_unregister_device(dev->video_dev);
1806 else
1807 video_device_release(dev->video_dev);
1808 dev->video_dev = NULL;
1809 }
1810 }
1811
1812 static int __devinit cx8800_initdev(struct pci_dev *pci_dev,
1813 const struct pci_device_id *pci_id)
1814 {
1815 struct cx8800_dev *dev;
1816 struct cx88_core *core;
1817
1818 int err;
1819
1820 dev = kzalloc(sizeof(*dev),GFP_KERNEL);
1821 if (NULL == dev)
1822 return -ENOMEM;
1823
1824 /* pci init */
1825 dev->pci = pci_dev;
1826 if (pci_enable_device(pci_dev)) {
1827 err = -EIO;
1828 goto fail_free;
1829 }
1830 core = cx88_core_get(dev->pci);
1831 if (NULL == core) {
1832 err = -EINVAL;
1833 goto fail_free;
1834 }
1835 dev->core = core;
1836
1837 /* print pci info */
1838 pci_read_config_byte(pci_dev, PCI_CLASS_REVISION, &dev->pci_rev);
1839 pci_read_config_byte(pci_dev, PCI_LATENCY_TIMER, &dev->pci_lat);
1840 printk(KERN_INFO "%s/0: found at %s, rev: %d, irq: %d, "
1841 "latency: %d, mmio: 0x%llx\n", core->name,
1842 pci_name(pci_dev), dev->pci_rev, pci_dev->irq,
1843 dev->pci_lat,(unsigned long long)pci_resource_start(pci_dev,0));
1844
1845 pci_set_master(pci_dev);
1846 if (!pci_dma_supported(pci_dev,DMA_32BIT_MASK)) {
1847 printk("%s/0: Oops: no 32bit PCI DMA ???\n",core->name);
1848 err = -EIO;
1849 goto fail_core;
1850 }
1851
1852 /* Initialize VBI template */
1853 memcpy( &cx8800_vbi_template, &cx8800_video_template,
1854 sizeof(cx8800_vbi_template) );
1855 strcpy(cx8800_vbi_template.name,"cx8800-vbi");
1856
1857 /* initialize driver struct */
1858 spin_lock_init(&dev->slock);
1859 core->tvnorm = cx8800_video_template.current_norm;
1860
1861 /* init video dma queues */
1862 INIT_LIST_HEAD(&dev->vidq.active);
1863 INIT_LIST_HEAD(&dev->vidq.queued);
1864 dev->vidq.timeout.function = cx8800_vid_timeout;
1865 dev->vidq.timeout.data = (unsigned long)dev;
1866 init_timer(&dev->vidq.timeout);
1867 cx88_risc_stopper(dev->pci,&dev->vidq.stopper,
1868 MO_VID_DMACNTRL,0x11,0x00);
1869
1870 /* init vbi dma queues */
1871 INIT_LIST_HEAD(&dev->vbiq.active);
1872 INIT_LIST_HEAD(&dev->vbiq.queued);
1873 dev->vbiq.timeout.function = cx8800_vbi_timeout;
1874 dev->vbiq.timeout.data = (unsigned long)dev;
1875 init_timer(&dev->vbiq.timeout);
1876 cx88_risc_stopper(dev->pci,&dev->vbiq.stopper,
1877 MO_VID_DMACNTRL,0x88,0x00);
1878
1879 /* get irq */
1880 err = request_irq(pci_dev->irq, cx8800_irq,
1881 IRQF_SHARED | IRQF_DISABLED, core->name, dev);
1882 if (err < 0) {
1883 printk(KERN_ERR "%s/0: can't get IRQ %d\n",
1884 core->name,pci_dev->irq);
1885 goto fail_core;
1886 }
1887 cx_set(MO_PCI_INTMSK, core->pci_irqmask);
1888
1889 /* load and configure helper modules */
1890
1891 if (core->board.audio_chip == V4L2_IDENT_WM8775)
1892 request_module("wm8775");
1893
1894 switch (core->boardnr) {
1895 case CX88_BOARD_DVICO_FUSIONHDTV_5_GOLD:
1896 case CX88_BOARD_DVICO_FUSIONHDTV_7_GOLD:
1897 request_module("rtc-isl1208");
1898 /* break intentionally omitted */
1899 case CX88_BOARD_DVICO_FUSIONHDTV_5_PCI_NANO:
1900 request_module("ir-kbd-i2c");
1901 }
1902
1903 /* register v4l devices */
1904 dev->video_dev = cx88_vdev_init(core,dev->pci,
1905 &cx8800_video_template,"video");
1906 err = video_register_device(dev->video_dev,VFL_TYPE_GRABBER,
1907 video_nr[core->nr]);
1908 if (err < 0) {
1909 printk(KERN_ERR "%s/0: can't register video device\n",
1910 core->name);
1911 goto fail_unreg;
1912 }
1913 printk(KERN_INFO "%s/0: registered device video%d [v4l2]\n",
1914 core->name, dev->video_dev->num);
1915
1916 dev->vbi_dev = cx88_vdev_init(core,dev->pci,&cx8800_vbi_template,"vbi");
1917 err = video_register_device(dev->vbi_dev,VFL_TYPE_VBI,
1918 vbi_nr[core->nr]);
1919 if (err < 0) {
1920 printk(KERN_ERR "%s/0: can't register vbi device\n",
1921 core->name);
1922 goto fail_unreg;
1923 }
1924 printk(KERN_INFO "%s/0: registered device vbi%d\n",
1925 core->name, dev->vbi_dev->num);
1926
1927 if (core->board.radio.type == CX88_RADIO) {
1928 dev->radio_dev = cx88_vdev_init(core,dev->pci,
1929 &cx8800_radio_template,"radio");
1930 err = video_register_device(dev->radio_dev,VFL_TYPE_RADIO,
1931 radio_nr[core->nr]);
1932 if (err < 0) {
1933 printk(KERN_ERR "%s/0: can't register radio device\n",
1934 core->name);
1935 goto fail_unreg;
1936 }
1937 printk(KERN_INFO "%s/0: registered device radio%d\n",
1938 core->name, dev->radio_dev->num);
1939 }
1940
1941 /* everything worked */
1942 list_add_tail(&dev->devlist,&cx8800_devlist);
1943 pci_set_drvdata(pci_dev,dev);
1944
1945 /* initial device configuration */
1946 mutex_lock(&core->lock);
1947 cx88_set_tvnorm(core,core->tvnorm);
1948 init_controls(core);
1949 cx88_video_mux(core,0);
1950 mutex_unlock(&core->lock);
1951
1952 /* start tvaudio thread */
1953 if (core->board.tuner_type != TUNER_ABSENT) {
1954 core->kthread = kthread_run(cx88_audio_thread, core, "cx88 tvaudio");
1955 if (IS_ERR(core->kthread)) {
1956 err = PTR_ERR(core->kthread);
1957 printk(KERN_ERR "%s/0: failed to create cx88 audio thread, err=%d\n",
1958 core->name, err);
1959 }
1960 }
1961 return 0;
1962
1963 fail_unreg:
1964 cx8800_unregister_video(dev);
1965 free_irq(pci_dev->irq, dev);
1966 fail_core:
1967 cx88_core_put(core,dev->pci);
1968 fail_free:
1969 kfree(dev);
1970 return err;
1971 }
1972
1973 static void __devexit cx8800_finidev(struct pci_dev *pci_dev)
1974 {
1975 struct cx8800_dev *dev = pci_get_drvdata(pci_dev);
1976 struct cx88_core *core = dev->core;
1977
1978 /* stop thread */
1979 if (core->kthread) {
1980 kthread_stop(core->kthread);
1981 core->kthread = NULL;
1982 }
1983
1984 if (core->ir)
1985 cx88_ir_stop(core, core->ir);
1986
1987 cx88_shutdown(core); /* FIXME */
1988 pci_disable_device(pci_dev);
1989
1990 /* unregister stuff */
1991
1992 free_irq(pci_dev->irq, dev);
1993 cx8800_unregister_video(dev);
1994 pci_set_drvdata(pci_dev, NULL);
1995
1996 /* free memory */
1997 btcx_riscmem_free(dev->pci,&dev->vidq.stopper);
1998 list_del(&dev->devlist);
1999 cx88_core_put(core,dev->pci);
2000 kfree(dev);
2001 }
2002
2003 #ifdef CONFIG_PM
2004 static int cx8800_suspend(struct pci_dev *pci_dev, pm_message_t state)
2005 {
2006 struct cx8800_dev *dev = pci_get_drvdata(pci_dev);
2007 struct cx88_core *core = dev->core;
2008
2009 /* stop video+vbi capture */
2010 spin_lock(&dev->slock);
2011 if (!list_empty(&dev->vidq.active)) {
2012 printk("%s/0: suspend video\n", core->name);
2013 stop_video_dma(dev);
2014 del_timer(&dev->vidq.timeout);
2015 }
2016 if (!list_empty(&dev->vbiq.active)) {
2017 printk("%s/0: suspend vbi\n", core->name);
2018 cx8800_stop_vbi_dma(dev);
2019 del_timer(&dev->vbiq.timeout);
2020 }
2021 spin_unlock(&dev->slock);
2022
2023 if (core->ir)
2024 cx88_ir_stop(core, core->ir);
2025 /* FIXME -- shutdown device */
2026 cx88_shutdown(core);
2027
2028 pci_save_state(pci_dev);
2029 if (0 != pci_set_power_state(pci_dev, pci_choose_state(pci_dev, state))) {
2030 pci_disable_device(pci_dev);
2031 dev->state.disabled = 1;
2032 }
2033 return 0;
2034 }
2035
2036 static int cx8800_resume(struct pci_dev *pci_dev)
2037 {
2038 struct cx8800_dev *dev = pci_get_drvdata(pci_dev);
2039 struct cx88_core *core = dev->core;
2040 int err;
2041
2042 if (dev->state.disabled) {
2043 err=pci_enable_device(pci_dev);
2044 if (err) {
2045 printk(KERN_ERR "%s/0: can't enable device\n",
2046 core->name);
2047 return err;
2048 }
2049
2050 dev->state.disabled = 0;
2051 }
2052 err= pci_set_power_state(pci_dev, PCI_D0);
2053 if (err) {
2054 printk(KERN_ERR "%s/0: can't set power state\n", core->name);
2055 pci_disable_device(pci_dev);
2056 dev->state.disabled = 1;
2057
2058 return err;
2059 }
2060 pci_restore_state(pci_dev);
2061
2062 /* FIXME: re-initialize hardware */
2063 cx88_reset(core);
2064 if (core->ir)
2065 cx88_ir_start(core, core->ir);
2066
2067 cx_set(MO_PCI_INTMSK, core->pci_irqmask);
2068
2069 /* restart video+vbi capture */
2070 spin_lock(&dev->slock);
2071 if (!list_empty(&dev->vidq.active)) {
2072 printk("%s/0: resume video\n", core->name);
2073 restart_video_queue(dev,&dev->vidq);
2074 }
2075 if (!list_empty(&dev->vbiq.active)) {
2076 printk("%s/0: resume vbi\n", core->name);
2077 cx8800_restart_vbi_queue(dev,&dev->vbiq);
2078 }
2079 spin_unlock(&dev->slock);
2080
2081 return 0;
2082 }
2083 #endif
2084
2085 /* ----------------------------------------------------------- */
2086
2087 static struct pci_device_id cx8800_pci_tbl[] = {
2088 {
2089 .vendor = 0x14f1,
2090 .device = 0x8800,
2091 .subvendor = PCI_ANY_ID,
2092 .subdevice = PCI_ANY_ID,
2093 },{
2094 /* --- end of list --- */
2095 }
2096 };
2097 MODULE_DEVICE_TABLE(pci, cx8800_pci_tbl);
2098
2099 static struct pci_driver cx8800_pci_driver = {
2100 .name = "cx8800",
2101 .id_table = cx8800_pci_tbl,
2102 .probe = cx8800_initdev,
2103 .remove = __devexit_p(cx8800_finidev),
2104 #ifdef CONFIG_PM
2105 .suspend = cx8800_suspend,
2106 .resume = cx8800_resume,
2107 #endif
2108 };
2109
2110 static int cx8800_init(void)
2111 {
2112 printk(KERN_INFO "cx88/0: cx2388x v4l2 driver version %d.%d.%d loaded\n",
2113 (CX88_VERSION_CODE >> 16) & 0xff,
2114 (CX88_VERSION_CODE >> 8) & 0xff,
2115 CX88_VERSION_CODE & 0xff);
2116 #ifdef SNAPSHOT
2117 printk(KERN_INFO "cx2388x: snapshot date %04d-%02d-%02d\n",
2118 SNAPSHOT/10000, (SNAPSHOT/100)%100, SNAPSHOT%100);
2119 #endif
2120 return pci_register_driver(&cx8800_pci_driver);
2121 }
2122
2123 static void cx8800_fini(void)
2124 {
2125 pci_unregister_driver(&cx8800_pci_driver);
2126 }
2127
2128 module_init(cx8800_init);
2129 module_exit(cx8800_fini);
2130
2131 /* ----------------------------------------------------------- */
2132 /*
2133 * Local variables:
2134 * c-basic-offset: 8
2135 * End:
2136 * 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
2137 */
Linux kernel - Deliverables
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