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[mirror_ubuntu-artful-kernel.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/smp_lock.h>
35 #include <linux/interrupt.h>
36 #include <linux/dma-mapping.h>
37 #include <linux/delay.h>
38 #include <linux/kthread.h>
39 #include <asm/div64.h>
40
41 #include "cx88.h"
42 #include <media/v4l2-common.h>
43 #include <media/v4l2-ioctl.h>
44 #include <media/wm8775.h>
45
46 MODULE_DESCRIPTION("v4l2 driver module for cx2388x based TV cards");
47 MODULE_AUTHOR("Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]");
48 MODULE_LICENSE("GPL");
49
50 /* ------------------------------------------------------------------ */
51
52 static unsigned int video_nr[] = {[0 ... (CX88_MAXBOARDS - 1)] = UNSET };
53 static unsigned int vbi_nr[] = {[0 ... (CX88_MAXBOARDS - 1)] = UNSET };
54 static unsigned int radio_nr[] = {[0 ... (CX88_MAXBOARDS - 1)] = UNSET };
55
56 module_param_array(video_nr, int, NULL, 0444);
57 module_param_array(vbi_nr, int, NULL, 0444);
58 module_param_array(radio_nr, int, NULL, 0444);
59
60 MODULE_PARM_DESC(video_nr,"video device numbers");
61 MODULE_PARM_DESC(vbi_nr,"vbi device numbers");
62 MODULE_PARM_DESC(radio_nr,"radio device numbers");
63
64 static unsigned int video_debug;
65 module_param(video_debug,int,0644);
66 MODULE_PARM_DESC(video_debug,"enable debug messages [video]");
67
68 static unsigned int irq_debug;
69 module_param(irq_debug,int,0644);
70 MODULE_PARM_DESC(irq_debug,"enable debug messages [IRQ handler]");
71
72 static unsigned int vid_limit = 16;
73 module_param(vid_limit,int,0644);
74 MODULE_PARM_DESC(vid_limit,"capture memory limit in megabytes");
75
76 #define dprintk(level,fmt, arg...) if (video_debug >= level) \
77 printk(KERN_DEBUG "%s/0: " fmt, core->name , ## arg)
78
79 /* ------------------------------------------------------------------- */
80 /* static data */
81
82 static const struct cx8800_fmt formats[] = {
83 {
84 .name = "8 bpp, gray",
85 .fourcc = V4L2_PIX_FMT_GREY,
86 .cxformat = ColorFormatY8,
87 .depth = 8,
88 .flags = FORMAT_FLAGS_PACKED,
89 },{
90 .name = "15 bpp RGB, le",
91 .fourcc = V4L2_PIX_FMT_RGB555,
92 .cxformat = ColorFormatRGB15,
93 .depth = 16,
94 .flags = FORMAT_FLAGS_PACKED,
95 },{
96 .name = "15 bpp RGB, be",
97 .fourcc = V4L2_PIX_FMT_RGB555X,
98 .cxformat = ColorFormatRGB15 | ColorFormatBSWAP,
99 .depth = 16,
100 .flags = FORMAT_FLAGS_PACKED,
101 },{
102 .name = "16 bpp RGB, le",
103 .fourcc = V4L2_PIX_FMT_RGB565,
104 .cxformat = ColorFormatRGB16,
105 .depth = 16,
106 .flags = FORMAT_FLAGS_PACKED,
107 },{
108 .name = "16 bpp RGB, be",
109 .fourcc = V4L2_PIX_FMT_RGB565X,
110 .cxformat = ColorFormatRGB16 | ColorFormatBSWAP,
111 .depth = 16,
112 .flags = FORMAT_FLAGS_PACKED,
113 },{
114 .name = "24 bpp RGB, le",
115 .fourcc = V4L2_PIX_FMT_BGR24,
116 .cxformat = ColorFormatRGB24,
117 .depth = 24,
118 .flags = FORMAT_FLAGS_PACKED,
119 },{
120 .name = "32 bpp RGB, le",
121 .fourcc = V4L2_PIX_FMT_BGR32,
122 .cxformat = ColorFormatRGB32,
123 .depth = 32,
124 .flags = FORMAT_FLAGS_PACKED,
125 },{
126 .name = "32 bpp RGB, be",
127 .fourcc = V4L2_PIX_FMT_RGB32,
128 .cxformat = ColorFormatRGB32 | ColorFormatBSWAP | ColorFormatWSWAP,
129 .depth = 32,
130 .flags = FORMAT_FLAGS_PACKED,
131 },{
132 .name = "4:2:2, packed, YUYV",
133 .fourcc = V4L2_PIX_FMT_YUYV,
134 .cxformat = ColorFormatYUY2,
135 .depth = 16,
136 .flags = FORMAT_FLAGS_PACKED,
137 },{
138 .name = "4:2:2, packed, UYVY",
139 .fourcc = V4L2_PIX_FMT_UYVY,
140 .cxformat = ColorFormatYUY2 | ColorFormatBSWAP,
141 .depth = 16,
142 .flags = FORMAT_FLAGS_PACKED,
143 },
144 };
145
146 static const struct cx8800_fmt* format_by_fourcc(unsigned int fourcc)
147 {
148 unsigned int i;
149
150 for (i = 0; i < ARRAY_SIZE(formats); i++)
151 if (formats[i].fourcc == fourcc)
152 return formats+i;
153 return NULL;
154 }
155
156 /* ------------------------------------------------------------------- */
157
158 static const struct v4l2_queryctrl no_ctl = {
159 .name = "42",
160 .flags = V4L2_CTRL_FLAG_DISABLED,
161 };
162
163 static const struct cx88_ctrl cx8800_ctls[] = {
164 /* --- video --- */
165 {
166 .v = {
167 .id = V4L2_CID_BRIGHTNESS,
168 .name = "Brightness",
169 .minimum = 0x00,
170 .maximum = 0xff,
171 .step = 1,
172 .default_value = 0x7f,
173 .type = V4L2_CTRL_TYPE_INTEGER,
174 },
175 .off = 128,
176 .reg = MO_CONTR_BRIGHT,
177 .mask = 0x00ff,
178 .shift = 0,
179 },{
180 .v = {
181 .id = V4L2_CID_CONTRAST,
182 .name = "Contrast",
183 .minimum = 0,
184 .maximum = 0xff,
185 .step = 1,
186 .default_value = 0x3f,
187 .type = V4L2_CTRL_TYPE_INTEGER,
188 },
189 .off = 0,
190 .reg = MO_CONTR_BRIGHT,
191 .mask = 0xff00,
192 .shift = 8,
193 },{
194 .v = {
195 .id = V4L2_CID_HUE,
196 .name = "Hue",
197 .minimum = 0,
198 .maximum = 0xff,
199 .step = 1,
200 .default_value = 0x7f,
201 .type = V4L2_CTRL_TYPE_INTEGER,
202 },
203 .off = 128,
204 .reg = MO_HUE,
205 .mask = 0x00ff,
206 .shift = 0,
207 },{
208 /* strictly, this only describes only U saturation.
209 * V saturation is handled specially through code.
210 */
211 .v = {
212 .id = V4L2_CID_SATURATION,
213 .name = "Saturation",
214 .minimum = 0,
215 .maximum = 0xff,
216 .step = 1,
217 .default_value = 0x7f,
218 .type = V4L2_CTRL_TYPE_INTEGER,
219 },
220 .off = 0,
221 .reg = MO_UV_SATURATION,
222 .mask = 0x00ff,
223 .shift = 0,
224 },{
225 .v = {
226 .id = V4L2_CID_CHROMA_AGC,
227 .name = "Chroma AGC",
228 .minimum = 0,
229 .maximum = 1,
230 .default_value = 0x1,
231 .type = V4L2_CTRL_TYPE_BOOLEAN,
232 },
233 .reg = MO_INPUT_FORMAT,
234 .mask = 1 << 10,
235 .shift = 10,
236 }, {
237 .v = {
238 .id = V4L2_CID_COLOR_KILLER,
239 .name = "Color killer",
240 .minimum = 0,
241 .maximum = 1,
242 .default_value = 0x1,
243 .type = V4L2_CTRL_TYPE_BOOLEAN,
244 },
245 .reg = MO_INPUT_FORMAT,
246 .mask = 1 << 9,
247 .shift = 9,
248 }, {
249 /* --- audio --- */
250 .v = {
251 .id = V4L2_CID_AUDIO_MUTE,
252 .name = "Mute",
253 .minimum = 0,
254 .maximum = 1,
255 .default_value = 1,
256 .type = V4L2_CTRL_TYPE_BOOLEAN,
257 },
258 .reg = AUD_VOL_CTL,
259 .sreg = SHADOW_AUD_VOL_CTL,
260 .mask = (1 << 6),
261 .shift = 6,
262 },{
263 .v = {
264 .id = V4L2_CID_AUDIO_VOLUME,
265 .name = "Volume",
266 .minimum = 0,
267 .maximum = 0x3f,
268 .step = 1,
269 .default_value = 0x3f,
270 .type = V4L2_CTRL_TYPE_INTEGER,
271 },
272 .reg = AUD_VOL_CTL,
273 .sreg = SHADOW_AUD_VOL_CTL,
274 .mask = 0x3f,
275 .shift = 0,
276 },{
277 .v = {
278 .id = V4L2_CID_AUDIO_BALANCE,
279 .name = "Balance",
280 .minimum = 0,
281 .maximum = 0x7f,
282 .step = 1,
283 .default_value = 0x40,
284 .type = V4L2_CTRL_TYPE_INTEGER,
285 },
286 .reg = AUD_BAL_CTL,
287 .sreg = SHADOW_AUD_BAL_CTL,
288 .mask = 0x7f,
289 .shift = 0,
290 }
291 };
292 enum { CX8800_CTLS = ARRAY_SIZE(cx8800_ctls) };
293
294 /* Must be sorted from low to high control ID! */
295 const u32 cx88_user_ctrls[] = {
296 V4L2_CID_USER_CLASS,
297 V4L2_CID_BRIGHTNESS,
298 V4L2_CID_CONTRAST,
299 V4L2_CID_SATURATION,
300 V4L2_CID_HUE,
301 V4L2_CID_AUDIO_VOLUME,
302 V4L2_CID_AUDIO_BALANCE,
303 V4L2_CID_AUDIO_MUTE,
304 V4L2_CID_CHROMA_AGC,
305 V4L2_CID_COLOR_KILLER,
306 0
307 };
308 EXPORT_SYMBOL(cx88_user_ctrls);
309
310 static const u32 * const ctrl_classes[] = {
311 cx88_user_ctrls,
312 NULL
313 };
314
315 int cx8800_ctrl_query(struct cx88_core *core, struct v4l2_queryctrl *qctrl)
316 {
317 int i;
318
319 if (qctrl->id < V4L2_CID_BASE ||
320 qctrl->id >= V4L2_CID_LASTP1)
321 return -EINVAL;
322 for (i = 0; i < CX8800_CTLS; i++)
323 if (cx8800_ctls[i].v.id == qctrl->id)
324 break;
325 if (i == CX8800_CTLS) {
326 *qctrl = no_ctl;
327 return 0;
328 }
329 *qctrl = cx8800_ctls[i].v;
330 /* Report chroma AGC as inactive when SECAM is selected */
331 if (cx8800_ctls[i].v.id == V4L2_CID_CHROMA_AGC &&
332 core->tvnorm & V4L2_STD_SECAM)
333 qctrl->flags |= V4L2_CTRL_FLAG_INACTIVE;
334
335 return 0;
336 }
337 EXPORT_SYMBOL(cx8800_ctrl_query);
338
339 /* ------------------------------------------------------------------- */
340 /* resource management */
341
342 static int res_get(struct cx8800_dev *dev, struct cx8800_fh *fh, unsigned int bit)
343 {
344 struct cx88_core *core = dev->core;
345 if (fh->resources & bit)
346 /* have it already allocated */
347 return 1;
348
349 /* is it free? */
350 mutex_lock(&core->lock);
351 if (dev->resources & bit) {
352 /* no, someone else uses it */
353 mutex_unlock(&core->lock);
354 return 0;
355 }
356 /* it's free, grab it */
357 fh->resources |= bit;
358 dev->resources |= bit;
359 dprintk(1,"res: get %d\n",bit);
360 mutex_unlock(&core->lock);
361 return 1;
362 }
363
364 static
365 int res_check(struct cx8800_fh *fh, unsigned int bit)
366 {
367 return (fh->resources & bit);
368 }
369
370 static
371 int res_locked(struct cx8800_dev *dev, unsigned int bit)
372 {
373 return (dev->resources & bit);
374 }
375
376 static
377 void res_free(struct cx8800_dev *dev, struct cx8800_fh *fh, unsigned int bits)
378 {
379 struct cx88_core *core = dev->core;
380 BUG_ON((fh->resources & bits) != bits);
381
382 mutex_lock(&core->lock);
383 fh->resources &= ~bits;
384 dev->resources &= ~bits;
385 dprintk(1,"res: put %d\n",bits);
386 mutex_unlock(&core->lock);
387 }
388
389 /* ------------------------------------------------------------------ */
390
391 int cx88_video_mux(struct cx88_core *core, unsigned int input)
392 {
393 /* struct cx88_core *core = dev->core; */
394
395 dprintk(1,"video_mux: %d [vmux=%d,gpio=0x%x,0x%x,0x%x,0x%x]\n",
396 input, INPUT(input).vmux,
397 INPUT(input).gpio0,INPUT(input).gpio1,
398 INPUT(input).gpio2,INPUT(input).gpio3);
399 core->input = input;
400 cx_andor(MO_INPUT_FORMAT, 0x03 << 14, INPUT(input).vmux << 14);
401 cx_write(MO_GP3_IO, INPUT(input).gpio3);
402 cx_write(MO_GP0_IO, INPUT(input).gpio0);
403 cx_write(MO_GP1_IO, INPUT(input).gpio1);
404 cx_write(MO_GP2_IO, INPUT(input).gpio2);
405
406 switch (INPUT(input).type) {
407 case CX88_VMUX_SVIDEO:
408 cx_set(MO_AFECFG_IO, 0x00000001);
409 cx_set(MO_INPUT_FORMAT, 0x00010010);
410 cx_set(MO_FILTER_EVEN, 0x00002020);
411 cx_set(MO_FILTER_ODD, 0x00002020);
412 break;
413 default:
414 cx_clear(MO_AFECFG_IO, 0x00000001);
415 cx_clear(MO_INPUT_FORMAT, 0x00010010);
416 cx_clear(MO_FILTER_EVEN, 0x00002020);
417 cx_clear(MO_FILTER_ODD, 0x00002020);
418 break;
419 }
420
421 /* if there are audioroutes defined, we have an external
422 ADC to deal with audio */
423 if (INPUT(input).audioroute) {
424 /* The wm8775 module has the "2" route hardwired into
425 the initialization. Some boards may use different
426 routes for different inputs. HVR-1300 surely does */
427 if (core->board.audio_chip &&
428 core->board.audio_chip == V4L2_IDENT_WM8775) {
429 call_all(core, audio, s_routing,
430 INPUT(input).audioroute, 0, 0);
431 }
432 /* cx2388's C-ADC is connected to the tuner only.
433 When used with S-Video, that ADC is busy dealing with
434 chroma, so an external must be used for baseband audio */
435 if (INPUT(input).type != CX88_VMUX_TELEVISION &&
436 INPUT(input).type != CX88_VMUX_CABLE) {
437 /* "I2S ADC mode" */
438 core->tvaudio = WW_I2SADC;
439 cx88_set_tvaudio(core);
440 } else {
441 /* Normal mode */
442 cx_write(AUD_I2SCNTL, 0x0);
443 cx_clear(AUD_CTL, EN_I2SIN_ENABLE);
444 }
445 }
446
447 return 0;
448 }
449 EXPORT_SYMBOL(cx88_video_mux);
450
451 /* ------------------------------------------------------------------ */
452
453 static int start_video_dma(struct cx8800_dev *dev,
454 struct cx88_dmaqueue *q,
455 struct cx88_buffer *buf)
456 {
457 struct cx88_core *core = dev->core;
458
459 /* setup fifo + format */
460 cx88_sram_channel_setup(core, &cx88_sram_channels[SRAM_CH21],
461 buf->bpl, buf->risc.dma);
462 cx88_set_scale(core, buf->vb.width, buf->vb.height, buf->vb.field);
463 cx_write(MO_COLOR_CTRL, buf->fmt->cxformat | ColorFormatGamma);
464
465 /* reset counter */
466 cx_write(MO_VIDY_GPCNTRL,GP_COUNT_CONTROL_RESET);
467 q->count = 1;
468
469 /* enable irqs */
470 cx_set(MO_PCI_INTMSK, core->pci_irqmask | PCI_INT_VIDINT);
471
472 /* Enables corresponding bits at PCI_INT_STAT:
473 bits 0 to 4: video, audio, transport stream, VIP, Host
474 bit 7: timer
475 bits 8 and 9: DMA complete for: SRC, DST
476 bits 10 and 11: BERR signal asserted for RISC: RD, WR
477 bits 12 to 15: BERR signal asserted for: BRDG, SRC, DST, IPB
478 */
479 cx_set(MO_VID_INTMSK, 0x0f0011);
480
481 /* enable capture */
482 cx_set(VID_CAPTURE_CONTROL,0x06);
483
484 /* start dma */
485 cx_set(MO_DEV_CNTRL2, (1<<5));
486 cx_set(MO_VID_DMACNTRL, 0x11); /* Planar Y and packed FIFO and RISC enable */
487
488 return 0;
489 }
490
491 #ifdef CONFIG_PM
492 static int stop_video_dma(struct cx8800_dev *dev)
493 {
494 struct cx88_core *core = dev->core;
495
496 /* stop dma */
497 cx_clear(MO_VID_DMACNTRL, 0x11);
498
499 /* disable capture */
500 cx_clear(VID_CAPTURE_CONTROL,0x06);
501
502 /* disable irqs */
503 cx_clear(MO_PCI_INTMSK, PCI_INT_VIDINT);
504 cx_clear(MO_VID_INTMSK, 0x0f0011);
505 return 0;
506 }
507 #endif
508
509 static int restart_video_queue(struct cx8800_dev *dev,
510 struct cx88_dmaqueue *q)
511 {
512 struct cx88_core *core = dev->core;
513 struct cx88_buffer *buf, *prev;
514
515 if (!list_empty(&q->active)) {
516 buf = list_entry(q->active.next, struct cx88_buffer, vb.queue);
517 dprintk(2,"restart_queue [%p/%d]: restart dma\n",
518 buf, buf->vb.i);
519 start_video_dma(dev, q, buf);
520 list_for_each_entry(buf, &q->active, vb.queue)
521 buf->count = q->count++;
522 mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT);
523 return 0;
524 }
525
526 prev = NULL;
527 for (;;) {
528 if (list_empty(&q->queued))
529 return 0;
530 buf = list_entry(q->queued.next, struct cx88_buffer, vb.queue);
531 if (NULL == prev) {
532 list_move_tail(&buf->vb.queue, &q->active);
533 start_video_dma(dev, q, buf);
534 buf->vb.state = VIDEOBUF_ACTIVE;
535 buf->count = q->count++;
536 mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT);
537 dprintk(2,"[%p/%d] restart_queue - first active\n",
538 buf,buf->vb.i);
539
540 } else if (prev->vb.width == buf->vb.width &&
541 prev->vb.height == buf->vb.height &&
542 prev->fmt == buf->fmt) {
543 list_move_tail(&buf->vb.queue, &q->active);
544 buf->vb.state = VIDEOBUF_ACTIVE;
545 buf->count = q->count++;
546 prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma);
547 dprintk(2,"[%p/%d] restart_queue - move to active\n",
548 buf,buf->vb.i);
549 } else {
550 return 0;
551 }
552 prev = buf;
553 }
554 }
555
556 /* ------------------------------------------------------------------ */
557
558 static int
559 buffer_setup(struct videobuf_queue *q, unsigned int *count, unsigned int *size)
560 {
561 struct cx8800_fh *fh = q->priv_data;
562
563 *size = fh->fmt->depth*fh->width*fh->height >> 3;
564 if (0 == *count)
565 *count = 32;
566 if (*size * *count > vid_limit * 1024 * 1024)
567 *count = (vid_limit * 1024 * 1024) / *size;
568 return 0;
569 }
570
571 static int
572 buffer_prepare(struct videobuf_queue *q, struct videobuf_buffer *vb,
573 enum v4l2_field field)
574 {
575 struct cx8800_fh *fh = q->priv_data;
576 struct cx8800_dev *dev = fh->dev;
577 struct cx88_core *core = dev->core;
578 struct cx88_buffer *buf = container_of(vb,struct cx88_buffer,vb);
579 struct videobuf_dmabuf *dma=videobuf_to_dma(&buf->vb);
580 int rc, init_buffer = 0;
581
582 BUG_ON(NULL == fh->fmt);
583 if (fh->width < 48 || fh->width > norm_maxw(core->tvnorm) ||
584 fh->height < 32 || fh->height > norm_maxh(core->tvnorm))
585 return -EINVAL;
586 buf->vb.size = (fh->width * fh->height * fh->fmt->depth) >> 3;
587 if (0 != buf->vb.baddr && buf->vb.bsize < buf->vb.size)
588 return -EINVAL;
589
590 if (buf->fmt != fh->fmt ||
591 buf->vb.width != fh->width ||
592 buf->vb.height != fh->height ||
593 buf->vb.field != field) {
594 buf->fmt = fh->fmt;
595 buf->vb.width = fh->width;
596 buf->vb.height = fh->height;
597 buf->vb.field = field;
598 init_buffer = 1;
599 }
600
601 if (VIDEOBUF_NEEDS_INIT == buf->vb.state) {
602 init_buffer = 1;
603 if (0 != (rc = videobuf_iolock(q,&buf->vb,NULL)))
604 goto fail;
605 }
606
607 if (init_buffer) {
608 buf->bpl = buf->vb.width * buf->fmt->depth >> 3;
609 switch (buf->vb.field) {
610 case V4L2_FIELD_TOP:
611 cx88_risc_buffer(dev->pci, &buf->risc,
612 dma->sglist, 0, UNSET,
613 buf->bpl, 0, buf->vb.height);
614 break;
615 case V4L2_FIELD_BOTTOM:
616 cx88_risc_buffer(dev->pci, &buf->risc,
617 dma->sglist, UNSET, 0,
618 buf->bpl, 0, buf->vb.height);
619 break;
620 case V4L2_FIELD_INTERLACED:
621 cx88_risc_buffer(dev->pci, &buf->risc,
622 dma->sglist, 0, buf->bpl,
623 buf->bpl, buf->bpl,
624 buf->vb.height >> 1);
625 break;
626 case V4L2_FIELD_SEQ_TB:
627 cx88_risc_buffer(dev->pci, &buf->risc,
628 dma->sglist,
629 0, buf->bpl * (buf->vb.height >> 1),
630 buf->bpl, 0,
631 buf->vb.height >> 1);
632 break;
633 case V4L2_FIELD_SEQ_BT:
634 cx88_risc_buffer(dev->pci, &buf->risc,
635 dma->sglist,
636 buf->bpl * (buf->vb.height >> 1), 0,
637 buf->bpl, 0,
638 buf->vb.height >> 1);
639 break;
640 default:
641 BUG();
642 }
643 }
644 dprintk(2,"[%p/%d] buffer_prepare - %dx%d %dbpp \"%s\" - dma=0x%08lx\n",
645 buf, buf->vb.i,
646 fh->width, fh->height, fh->fmt->depth, fh->fmt->name,
647 (unsigned long)buf->risc.dma);
648
649 buf->vb.state = VIDEOBUF_PREPARED;
650 return 0;
651
652 fail:
653 cx88_free_buffer(q,buf);
654 return rc;
655 }
656
657 static void
658 buffer_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb)
659 {
660 struct cx88_buffer *buf = container_of(vb,struct cx88_buffer,vb);
661 struct cx88_buffer *prev;
662 struct cx8800_fh *fh = vq->priv_data;
663 struct cx8800_dev *dev = fh->dev;
664 struct cx88_core *core = dev->core;
665 struct cx88_dmaqueue *q = &dev->vidq;
666
667 /* add jump to stopper */
668 buf->risc.jmp[0] = cpu_to_le32(RISC_JUMP | RISC_IRQ1 | RISC_CNT_INC);
669 buf->risc.jmp[1] = cpu_to_le32(q->stopper.dma);
670
671 if (!list_empty(&q->queued)) {
672 list_add_tail(&buf->vb.queue,&q->queued);
673 buf->vb.state = VIDEOBUF_QUEUED;
674 dprintk(2,"[%p/%d] buffer_queue - append to queued\n",
675 buf, buf->vb.i);
676
677 } else if (list_empty(&q->active)) {
678 list_add_tail(&buf->vb.queue,&q->active);
679 start_video_dma(dev, q, buf);
680 buf->vb.state = VIDEOBUF_ACTIVE;
681 buf->count = q->count++;
682 mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT);
683 dprintk(2,"[%p/%d] buffer_queue - first active\n",
684 buf, buf->vb.i);
685
686 } else {
687 prev = list_entry(q->active.prev, struct cx88_buffer, vb.queue);
688 if (prev->vb.width == buf->vb.width &&
689 prev->vb.height == buf->vb.height &&
690 prev->fmt == buf->fmt) {
691 list_add_tail(&buf->vb.queue,&q->active);
692 buf->vb.state = VIDEOBUF_ACTIVE;
693 buf->count = q->count++;
694 prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma);
695 dprintk(2,"[%p/%d] buffer_queue - append to active\n",
696 buf, buf->vb.i);
697
698 } else {
699 list_add_tail(&buf->vb.queue,&q->queued);
700 buf->vb.state = VIDEOBUF_QUEUED;
701 dprintk(2,"[%p/%d] buffer_queue - first queued\n",
702 buf, buf->vb.i);
703 }
704 }
705 }
706
707 static void buffer_release(struct videobuf_queue *q, struct videobuf_buffer *vb)
708 {
709 struct cx88_buffer *buf = container_of(vb,struct cx88_buffer,vb);
710
711 cx88_free_buffer(q,buf);
712 }
713
714 static const struct videobuf_queue_ops cx8800_video_qops = {
715 .buf_setup = buffer_setup,
716 .buf_prepare = buffer_prepare,
717 .buf_queue = buffer_queue,
718 .buf_release = buffer_release,
719 };
720
721 /* ------------------------------------------------------------------ */
722
723
724 /* ------------------------------------------------------------------ */
725
726 static struct videobuf_queue* get_queue(struct cx8800_fh *fh)
727 {
728 switch (fh->type) {
729 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
730 return &fh->vidq;
731 case V4L2_BUF_TYPE_VBI_CAPTURE:
732 return &fh->vbiq;
733 default:
734 BUG();
735 return NULL;
736 }
737 }
738
739 static int get_ressource(struct cx8800_fh *fh)
740 {
741 switch (fh->type) {
742 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
743 return RESOURCE_VIDEO;
744 case V4L2_BUF_TYPE_VBI_CAPTURE:
745 return RESOURCE_VBI;
746 default:
747 BUG();
748 return 0;
749 }
750 }
751
752 static int video_open(struct file *file)
753 {
754 struct video_device *vdev = video_devdata(file);
755 struct cx8800_dev *dev = video_drvdata(file);
756 struct cx88_core *core = dev->core;
757 struct cx8800_fh *fh;
758 enum v4l2_buf_type type = 0;
759 int radio = 0;
760
761 switch (vdev->vfl_type) {
762 case VFL_TYPE_GRABBER:
763 type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
764 break;
765 case VFL_TYPE_VBI:
766 type = V4L2_BUF_TYPE_VBI_CAPTURE;
767 break;
768 case VFL_TYPE_RADIO:
769 radio = 1;
770 break;
771 }
772
773 dprintk(1, "open dev=%s radio=%d type=%s\n",
774 video_device_node_name(vdev), radio, v4l2_type_names[type]);
775
776 /* allocate + initialize per filehandle data */
777 fh = kzalloc(sizeof(*fh),GFP_KERNEL);
778 if (unlikely(!fh))
779 return -ENOMEM;
780
781 file->private_data = fh;
782 fh->dev = dev;
783 fh->radio = radio;
784 fh->type = type;
785 fh->width = 320;
786 fh->height = 240;
787 fh->fmt = format_by_fourcc(V4L2_PIX_FMT_BGR24);
788
789 mutex_lock(&core->lock);
790
791 videobuf_queue_sg_init(&fh->vidq, &cx8800_video_qops,
792 &dev->pci->dev, &dev->slock,
793 V4L2_BUF_TYPE_VIDEO_CAPTURE,
794 V4L2_FIELD_INTERLACED,
795 sizeof(struct cx88_buffer),
796 fh, NULL);
797 videobuf_queue_sg_init(&fh->vbiq, &cx8800_vbi_qops,
798 &dev->pci->dev, &dev->slock,
799 V4L2_BUF_TYPE_VBI_CAPTURE,
800 V4L2_FIELD_SEQ_TB,
801 sizeof(struct cx88_buffer),
802 fh, NULL);
803
804 if (fh->radio) {
805 dprintk(1,"video_open: setting radio device\n");
806 cx_write(MO_GP3_IO, core->board.radio.gpio3);
807 cx_write(MO_GP0_IO, core->board.radio.gpio0);
808 cx_write(MO_GP1_IO, core->board.radio.gpio1);
809 cx_write(MO_GP2_IO, core->board.radio.gpio2);
810 if (core->board.radio.audioroute) {
811 if(core->board.audio_chip &&
812 core->board.audio_chip == V4L2_IDENT_WM8775) {
813 call_all(core, audio, s_routing,
814 core->board.radio.audioroute, 0, 0);
815 }
816 /* "I2S ADC mode" */
817 core->tvaudio = WW_I2SADC;
818 cx88_set_tvaudio(core);
819 } else {
820 /* FM Mode */
821 core->tvaudio = WW_FM;
822 cx88_set_tvaudio(core);
823 cx88_set_stereo(core,V4L2_TUNER_MODE_STEREO,1);
824 }
825 call_all(core, tuner, s_radio);
826 }
827
828 atomic_inc(&core->users);
829 mutex_unlock(&core->lock);
830
831 return 0;
832 }
833
834 static ssize_t
835 video_read(struct file *file, char __user *data, size_t count, loff_t *ppos)
836 {
837 struct cx8800_fh *fh = file->private_data;
838
839 switch (fh->type) {
840 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
841 if (res_locked(fh->dev,RESOURCE_VIDEO))
842 return -EBUSY;
843 return videobuf_read_one(&fh->vidq, data, count, ppos,
844 file->f_flags & O_NONBLOCK);
845 case V4L2_BUF_TYPE_VBI_CAPTURE:
846 if (!res_get(fh->dev,fh,RESOURCE_VBI))
847 return -EBUSY;
848 return videobuf_read_stream(&fh->vbiq, data, count, ppos, 1,
849 file->f_flags & O_NONBLOCK);
850 default:
851 BUG();
852 return 0;
853 }
854 }
855
856 static unsigned int
857 video_poll(struct file *file, struct poll_table_struct *wait)
858 {
859 struct cx8800_fh *fh = file->private_data;
860 struct cx88_buffer *buf;
861 unsigned int rc = POLLERR;
862
863 if (V4L2_BUF_TYPE_VBI_CAPTURE == fh->type) {
864 if (!res_get(fh->dev,fh,RESOURCE_VBI))
865 return POLLERR;
866 return videobuf_poll_stream(file, &fh->vbiq, wait);
867 }
868
869 mutex_lock(&fh->vidq.vb_lock);
870 if (res_check(fh,RESOURCE_VIDEO)) {
871 /* streaming capture */
872 if (list_empty(&fh->vidq.stream))
873 goto done;
874 buf = list_entry(fh->vidq.stream.next,struct cx88_buffer,vb.stream);
875 } else {
876 /* read() capture */
877 buf = (struct cx88_buffer*)fh->vidq.read_buf;
878 if (NULL == buf)
879 goto done;
880 }
881 poll_wait(file, &buf->vb.done, wait);
882 if (buf->vb.state == VIDEOBUF_DONE ||
883 buf->vb.state == VIDEOBUF_ERROR)
884 rc = POLLIN|POLLRDNORM;
885 else
886 rc = 0;
887 done:
888 mutex_unlock(&fh->vidq.vb_lock);
889 return rc;
890 }
891
892 static int video_release(struct file *file)
893 {
894 struct cx8800_fh *fh = file->private_data;
895 struct cx8800_dev *dev = fh->dev;
896
897 /* turn off overlay */
898 if (res_check(fh, RESOURCE_OVERLAY)) {
899 /* FIXME */
900 res_free(dev,fh,RESOURCE_OVERLAY);
901 }
902
903 /* stop video capture */
904 if (res_check(fh, RESOURCE_VIDEO)) {
905 videobuf_queue_cancel(&fh->vidq);
906 res_free(dev,fh,RESOURCE_VIDEO);
907 }
908 if (fh->vidq.read_buf) {
909 buffer_release(&fh->vidq,fh->vidq.read_buf);
910 kfree(fh->vidq.read_buf);
911 }
912
913 /* stop vbi capture */
914 if (res_check(fh, RESOURCE_VBI)) {
915 videobuf_stop(&fh->vbiq);
916 res_free(dev,fh,RESOURCE_VBI);
917 }
918
919 videobuf_mmap_free(&fh->vidq);
920 videobuf_mmap_free(&fh->vbiq);
921
922 mutex_lock(&dev->core->lock);
923 file->private_data = NULL;
924 kfree(fh);
925
926 if(atomic_dec_and_test(&dev->core->users))
927 call_all(dev->core, core, s_power, 0);
928 mutex_unlock(&dev->core->lock);
929
930 return 0;
931 }
932
933 static int
934 video_mmap(struct file *file, struct vm_area_struct * vma)
935 {
936 struct cx8800_fh *fh = file->private_data;
937
938 return videobuf_mmap_mapper(get_queue(fh), vma);
939 }
940
941 /* ------------------------------------------------------------------ */
942 /* VIDEO CTRL IOCTLS */
943
944 int cx88_get_control (struct cx88_core *core, struct v4l2_control *ctl)
945 {
946 const struct cx88_ctrl *c = NULL;
947 u32 value;
948 int i;
949
950 for (i = 0; i < CX8800_CTLS; i++)
951 if (cx8800_ctls[i].v.id == ctl->id)
952 c = &cx8800_ctls[i];
953 if (unlikely(NULL == c))
954 return -EINVAL;
955
956 value = c->sreg ? cx_sread(c->sreg) : cx_read(c->reg);
957 switch (ctl->id) {
958 case V4L2_CID_AUDIO_BALANCE:
959 ctl->value = ((value & 0x7f) < 0x40) ? ((value & 0x7f) + 0x40)
960 : (0x7f - (value & 0x7f));
961 break;
962 case V4L2_CID_AUDIO_VOLUME:
963 ctl->value = 0x3f - (value & 0x3f);
964 break;
965 default:
966 ctl->value = ((value + (c->off << c->shift)) & c->mask) >> c->shift;
967 break;
968 }
969 dprintk(1,"get_control id=0x%X(%s) ctrl=0x%02x, reg=0x%02x val=0x%02x (mask 0x%02x)%s\n",
970 ctl->id, c->v.name, ctl->value, c->reg,
971 value,c->mask, c->sreg ? " [shadowed]" : "");
972 return 0;
973 }
974 EXPORT_SYMBOL(cx88_get_control);
975
976 int cx88_set_control(struct cx88_core *core, struct v4l2_control *ctl)
977 {
978 const struct cx88_ctrl *c = NULL;
979 u32 value,mask;
980 int i;
981 struct v4l2_control client_ctl;
982
983 for (i = 0; i < CX8800_CTLS; i++) {
984 if (cx8800_ctls[i].v.id == ctl->id) {
985 c = &cx8800_ctls[i];
986 }
987 }
988 if (unlikely(NULL == c))
989 return -EINVAL;
990
991 if (ctl->value < c->v.minimum)
992 ctl->value = c->v.minimum;
993 if (ctl->value > c->v.maximum)
994 ctl->value = c->v.maximum;
995
996 /* Pass changes onto any WM8775 */
997 client_ctl.id = ctl->id;
998 switch (ctl->id) {
999 case V4L2_CID_AUDIO_MUTE:
1000 client_ctl.value = ctl->value;
1001 break;
1002 case V4L2_CID_AUDIO_VOLUME:
1003 client_ctl.value = (ctl->value) ?
1004 (0x90 + ctl->value) << 8 : 0;
1005 break;
1006 case V4L2_CID_AUDIO_BALANCE:
1007 client_ctl.value = ctl->value << 9;
1008 break;
1009 default:
1010 client_ctl.id = 0;
1011 break;
1012 }
1013 if (client_ctl.id)
1014 call_hw(core, WM8775_GID, core, s_ctrl, &client_ctl);
1015
1016 mask=c->mask;
1017 switch (ctl->id) {
1018 case V4L2_CID_AUDIO_BALANCE:
1019 value = (ctl->value < 0x40) ? (0x7f - ctl->value) : (ctl->value - 0x40);
1020 break;
1021 case V4L2_CID_AUDIO_VOLUME:
1022 value = 0x3f - (ctl->value & 0x3f);
1023 break;
1024 case V4L2_CID_SATURATION:
1025 /* special v_sat handling */
1026
1027 value = ((ctl->value - c->off) << c->shift) & c->mask;
1028
1029 if (core->tvnorm & V4L2_STD_SECAM) {
1030 /* For SECAM, both U and V sat should be equal */
1031 value=value<<8|value;
1032 } else {
1033 /* Keeps U Saturation proportional to V Sat */
1034 value=(value*0x5a)/0x7f<<8|value;
1035 }
1036 mask=0xffff;
1037 break;
1038 case V4L2_CID_CHROMA_AGC:
1039 /* Do not allow chroma AGC to be enabled for SECAM */
1040 value = ((ctl->value - c->off) << c->shift) & c->mask;
1041 if (core->tvnorm & V4L2_STD_SECAM && value)
1042 return -EINVAL;
1043 break;
1044 default:
1045 value = ((ctl->value - c->off) << c->shift) & c->mask;
1046 break;
1047 }
1048 dprintk(1,"set_control id=0x%X(%s) ctrl=0x%02x, reg=0x%02x val=0x%02x (mask 0x%02x)%s\n",
1049 ctl->id, c->v.name, ctl->value, c->reg, value,
1050 mask, c->sreg ? " [shadowed]" : "");
1051 if (c->sreg) {
1052 cx_sandor(c->sreg, c->reg, mask, value);
1053 } else {
1054 cx_andor(c->reg, mask, value);
1055 }
1056 return 0;
1057 }
1058 EXPORT_SYMBOL(cx88_set_control);
1059
1060 static void init_controls(struct cx88_core *core)
1061 {
1062 struct v4l2_control ctrl;
1063 int i;
1064
1065 for (i = 0; i < CX8800_CTLS; i++) {
1066 ctrl.id=cx8800_ctls[i].v.id;
1067 ctrl.value=cx8800_ctls[i].v.default_value;
1068
1069 cx88_set_control(core, &ctrl);
1070 }
1071 }
1072
1073 /* ------------------------------------------------------------------ */
1074 /* VIDEO IOCTLS */
1075
1076 static int vidioc_g_fmt_vid_cap(struct file *file, void *priv,
1077 struct v4l2_format *f)
1078 {
1079 struct cx8800_fh *fh = priv;
1080
1081 f->fmt.pix.width = fh->width;
1082 f->fmt.pix.height = fh->height;
1083 f->fmt.pix.field = fh->vidq.field;
1084 f->fmt.pix.pixelformat = fh->fmt->fourcc;
1085 f->fmt.pix.bytesperline =
1086 (f->fmt.pix.width * fh->fmt->depth) >> 3;
1087 f->fmt.pix.sizeimage =
1088 f->fmt.pix.height * f->fmt.pix.bytesperline;
1089 return 0;
1090 }
1091
1092 static int vidioc_try_fmt_vid_cap(struct file *file, void *priv,
1093 struct v4l2_format *f)
1094 {
1095 struct cx88_core *core = ((struct cx8800_fh *)priv)->dev->core;
1096 const struct cx8800_fmt *fmt;
1097 enum v4l2_field field;
1098 unsigned int maxw, maxh;
1099
1100 fmt = format_by_fourcc(f->fmt.pix.pixelformat);
1101 if (NULL == fmt)
1102 return -EINVAL;
1103
1104 field = f->fmt.pix.field;
1105 maxw = norm_maxw(core->tvnorm);
1106 maxh = norm_maxh(core->tvnorm);
1107
1108 if (V4L2_FIELD_ANY == field) {
1109 field = (f->fmt.pix.height > maxh/2)
1110 ? V4L2_FIELD_INTERLACED
1111 : V4L2_FIELD_BOTTOM;
1112 }
1113
1114 switch (field) {
1115 case V4L2_FIELD_TOP:
1116 case V4L2_FIELD_BOTTOM:
1117 maxh = maxh / 2;
1118 break;
1119 case V4L2_FIELD_INTERLACED:
1120 break;
1121 default:
1122 return -EINVAL;
1123 }
1124
1125 f->fmt.pix.field = field;
1126 v4l_bound_align_image(&f->fmt.pix.width, 48, maxw, 2,
1127 &f->fmt.pix.height, 32, maxh, 0, 0);
1128 f->fmt.pix.bytesperline =
1129 (f->fmt.pix.width * fmt->depth) >> 3;
1130 f->fmt.pix.sizeimage =
1131 f->fmt.pix.height * f->fmt.pix.bytesperline;
1132
1133 return 0;
1134 }
1135
1136 static int vidioc_s_fmt_vid_cap(struct file *file, void *priv,
1137 struct v4l2_format *f)
1138 {
1139 struct cx8800_fh *fh = priv;
1140 int err = vidioc_try_fmt_vid_cap (file,priv,f);
1141
1142 if (0 != err)
1143 return err;
1144 fh->fmt = format_by_fourcc(f->fmt.pix.pixelformat);
1145 fh->width = f->fmt.pix.width;
1146 fh->height = f->fmt.pix.height;
1147 fh->vidq.field = f->fmt.pix.field;
1148 return 0;
1149 }
1150
1151 static int vidioc_querycap (struct file *file, void *priv,
1152 struct v4l2_capability *cap)
1153 {
1154 struct cx8800_dev *dev = ((struct cx8800_fh *)priv)->dev;
1155 struct cx88_core *core = dev->core;
1156
1157 strcpy(cap->driver, "cx8800");
1158 strlcpy(cap->card, core->board.name, sizeof(cap->card));
1159 sprintf(cap->bus_info,"PCI:%s",pci_name(dev->pci));
1160 cap->version = CX88_VERSION_CODE;
1161 cap->capabilities =
1162 V4L2_CAP_VIDEO_CAPTURE |
1163 V4L2_CAP_READWRITE |
1164 V4L2_CAP_STREAMING |
1165 V4L2_CAP_VBI_CAPTURE;
1166 if (UNSET != core->board.tuner_type)
1167 cap->capabilities |= V4L2_CAP_TUNER;
1168 return 0;
1169 }
1170
1171 static int vidioc_enum_fmt_vid_cap (struct file *file, void *priv,
1172 struct v4l2_fmtdesc *f)
1173 {
1174 if (unlikely(f->index >= ARRAY_SIZE(formats)))
1175 return -EINVAL;
1176
1177 strlcpy(f->description,formats[f->index].name,sizeof(f->description));
1178 f->pixelformat = formats[f->index].fourcc;
1179
1180 return 0;
1181 }
1182
1183 #ifdef CONFIG_VIDEO_V4L1_COMPAT
1184 static int vidiocgmbuf (struct file *file, void *priv, struct video_mbuf *mbuf)
1185 {
1186 struct cx8800_fh *fh = priv;
1187
1188 return videobuf_cgmbuf (get_queue(fh), mbuf, 8);
1189 }
1190 #endif
1191
1192 static int vidioc_reqbufs (struct file *file, void *priv, struct v4l2_requestbuffers *p)
1193 {
1194 struct cx8800_fh *fh = priv;
1195 return (videobuf_reqbufs(get_queue(fh), p));
1196 }
1197
1198 static int vidioc_querybuf (struct file *file, void *priv, struct v4l2_buffer *p)
1199 {
1200 struct cx8800_fh *fh = priv;
1201 return (videobuf_querybuf(get_queue(fh), p));
1202 }
1203
1204 static int vidioc_qbuf (struct file *file, void *priv, struct v4l2_buffer *p)
1205 {
1206 struct cx8800_fh *fh = priv;
1207 return (videobuf_qbuf(get_queue(fh), p));
1208 }
1209
1210 static int vidioc_dqbuf (struct file *file, void *priv, struct v4l2_buffer *p)
1211 {
1212 struct cx8800_fh *fh = priv;
1213 return (videobuf_dqbuf(get_queue(fh), p,
1214 file->f_flags & O_NONBLOCK));
1215 }
1216
1217 static int vidioc_streamon(struct file *file, void *priv, enum v4l2_buf_type i)
1218 {
1219 struct cx8800_fh *fh = priv;
1220 struct cx8800_dev *dev = fh->dev;
1221
1222 /* We should remember that this driver also supports teletext, */
1223 /* so we have to test if the v4l2_buf_type is VBI capture data. */
1224 if (unlikely((fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) &&
1225 (fh->type != V4L2_BUF_TYPE_VBI_CAPTURE)))
1226 return -EINVAL;
1227
1228 if (unlikely(i != fh->type))
1229 return -EINVAL;
1230
1231 if (unlikely(!res_get(dev,fh,get_ressource(fh))))
1232 return -EBUSY;
1233 return videobuf_streamon(get_queue(fh));
1234 }
1235
1236 static int vidioc_streamoff(struct file *file, void *priv, enum v4l2_buf_type i)
1237 {
1238 struct cx8800_fh *fh = priv;
1239 struct cx8800_dev *dev = fh->dev;
1240 int err, res;
1241
1242 if ((fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) &&
1243 (fh->type != V4L2_BUF_TYPE_VBI_CAPTURE))
1244 return -EINVAL;
1245
1246 if (i != fh->type)
1247 return -EINVAL;
1248
1249 res = get_ressource(fh);
1250 err = videobuf_streamoff(get_queue(fh));
1251 if (err < 0)
1252 return err;
1253 res_free(dev,fh,res);
1254 return 0;
1255 }
1256
1257 static int vidioc_s_std (struct file *file, void *priv, v4l2_std_id *tvnorms)
1258 {
1259 struct cx88_core *core = ((struct cx8800_fh *)priv)->dev->core;
1260
1261 mutex_lock(&core->lock);
1262 cx88_set_tvnorm(core,*tvnorms);
1263 mutex_unlock(&core->lock);
1264
1265 return 0;
1266 }
1267
1268 /* only one input in this sample driver */
1269 int cx88_enum_input (struct cx88_core *core,struct v4l2_input *i)
1270 {
1271 static const char * const iname[] = {
1272 [ CX88_VMUX_COMPOSITE1 ] = "Composite1",
1273 [ CX88_VMUX_COMPOSITE2 ] = "Composite2",
1274 [ CX88_VMUX_COMPOSITE3 ] = "Composite3",
1275 [ CX88_VMUX_COMPOSITE4 ] = "Composite4",
1276 [ CX88_VMUX_SVIDEO ] = "S-Video",
1277 [ CX88_VMUX_TELEVISION ] = "Television",
1278 [ CX88_VMUX_CABLE ] = "Cable TV",
1279 [ CX88_VMUX_DVB ] = "DVB",
1280 [ CX88_VMUX_DEBUG ] = "for debug only",
1281 };
1282 unsigned int n = i->index;
1283
1284 if (n >= 4)
1285 return -EINVAL;
1286 if (0 == INPUT(n).type)
1287 return -EINVAL;
1288 i->type = V4L2_INPUT_TYPE_CAMERA;
1289 strcpy(i->name,iname[INPUT(n).type]);
1290 if ((CX88_VMUX_TELEVISION == INPUT(n).type) ||
1291 (CX88_VMUX_CABLE == INPUT(n).type)) {
1292 i->type = V4L2_INPUT_TYPE_TUNER;
1293 i->std = CX88_NORMS;
1294 }
1295 return 0;
1296 }
1297 EXPORT_SYMBOL(cx88_enum_input);
1298
1299 static int vidioc_enum_input (struct file *file, void *priv,
1300 struct v4l2_input *i)
1301 {
1302 struct cx88_core *core = ((struct cx8800_fh *)priv)->dev->core;
1303 return cx88_enum_input (core,i);
1304 }
1305
1306 static int vidioc_g_input (struct file *file, void *priv, unsigned int *i)
1307 {
1308 struct cx88_core *core = ((struct cx8800_fh *)priv)->dev->core;
1309
1310 *i = core->input;
1311 return 0;
1312 }
1313
1314 static int vidioc_s_input (struct file *file, void *priv, unsigned int i)
1315 {
1316 struct cx88_core *core = ((struct cx8800_fh *)priv)->dev->core;
1317
1318 if (i >= 4)
1319 return -EINVAL;
1320
1321 mutex_lock(&core->lock);
1322 cx88_newstation(core);
1323 cx88_video_mux(core,i);
1324 mutex_unlock(&core->lock);
1325 return 0;
1326 }
1327
1328
1329
1330 static int vidioc_queryctrl (struct file *file, void *priv,
1331 struct v4l2_queryctrl *qctrl)
1332 {
1333 struct cx88_core *core = ((struct cx8800_fh *)priv)->dev->core;
1334
1335 qctrl->id = v4l2_ctrl_next(ctrl_classes, qctrl->id);
1336 if (unlikely(qctrl->id == 0))
1337 return -EINVAL;
1338 return cx8800_ctrl_query(core, qctrl);
1339 }
1340
1341 static int vidioc_g_ctrl (struct file *file, void *priv,
1342 struct v4l2_control *ctl)
1343 {
1344 struct cx88_core *core = ((struct cx8800_fh *)priv)->dev->core;
1345 return
1346 cx88_get_control(core,ctl);
1347 }
1348
1349 static int vidioc_s_ctrl (struct file *file, void *priv,
1350 struct v4l2_control *ctl)
1351 {
1352 struct cx88_core *core = ((struct cx8800_fh *)priv)->dev->core;
1353 return
1354 cx88_set_control(core,ctl);
1355 }
1356
1357 static int vidioc_g_tuner (struct file *file, void *priv,
1358 struct v4l2_tuner *t)
1359 {
1360 struct cx88_core *core = ((struct cx8800_fh *)priv)->dev->core;
1361 u32 reg;
1362
1363 if (unlikely(UNSET == core->board.tuner_type))
1364 return -EINVAL;
1365 if (0 != t->index)
1366 return -EINVAL;
1367
1368 strcpy(t->name, "Television");
1369 t->type = V4L2_TUNER_ANALOG_TV;
1370 t->capability = V4L2_TUNER_CAP_NORM;
1371 t->rangehigh = 0xffffffffUL;
1372
1373 cx88_get_stereo(core ,t);
1374 reg = cx_read(MO_DEVICE_STATUS);
1375 t->signal = (reg & (1<<5)) ? 0xffff : 0x0000;
1376 return 0;
1377 }
1378
1379 static int vidioc_s_tuner (struct file *file, void *priv,
1380 struct v4l2_tuner *t)
1381 {
1382 struct cx88_core *core = ((struct cx8800_fh *)priv)->dev->core;
1383
1384 if (UNSET == core->board.tuner_type)
1385 return -EINVAL;
1386 if (0 != t->index)
1387 return -EINVAL;
1388
1389 cx88_set_stereo(core, t->audmode, 1);
1390 return 0;
1391 }
1392
1393 static int vidioc_g_frequency (struct file *file, void *priv,
1394 struct v4l2_frequency *f)
1395 {
1396 struct cx8800_fh *fh = priv;
1397 struct cx88_core *core = fh->dev->core;
1398
1399 if (unlikely(UNSET == core->board.tuner_type))
1400 return -EINVAL;
1401
1402 /* f->type = fh->radio ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV; */
1403 f->type = fh->radio ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV;
1404 f->frequency = core->freq;
1405
1406 call_all(core, tuner, g_frequency, f);
1407
1408 return 0;
1409 }
1410
1411 int cx88_set_freq (struct cx88_core *core,
1412 struct v4l2_frequency *f)
1413 {
1414 if (unlikely(UNSET == core->board.tuner_type))
1415 return -EINVAL;
1416 if (unlikely(f->tuner != 0))
1417 return -EINVAL;
1418
1419 mutex_lock(&core->lock);
1420 core->freq = f->frequency;
1421 cx88_newstation(core);
1422 call_all(core, tuner, s_frequency, f);
1423
1424 /* When changing channels it is required to reset TVAUDIO */
1425 msleep (10);
1426 cx88_set_tvaudio(core);
1427
1428 mutex_unlock(&core->lock);
1429
1430 return 0;
1431 }
1432 EXPORT_SYMBOL(cx88_set_freq);
1433
1434 static int vidioc_s_frequency (struct file *file, void *priv,
1435 struct v4l2_frequency *f)
1436 {
1437 struct cx8800_fh *fh = priv;
1438 struct cx88_core *core = fh->dev->core;
1439
1440 if (unlikely(0 == fh->radio && f->type != V4L2_TUNER_ANALOG_TV))
1441 return -EINVAL;
1442 if (unlikely(1 == fh->radio && f->type != V4L2_TUNER_RADIO))
1443 return -EINVAL;
1444
1445 return
1446 cx88_set_freq (core,f);
1447 }
1448
1449 #ifdef CONFIG_VIDEO_ADV_DEBUG
1450 static int vidioc_g_register (struct file *file, void *fh,
1451 struct v4l2_dbg_register *reg)
1452 {
1453 struct cx88_core *core = ((struct cx8800_fh*)fh)->dev->core;
1454
1455 if (!v4l2_chip_match_host(&reg->match))
1456 return -EINVAL;
1457 /* cx2388x has a 24-bit register space */
1458 reg->val = cx_read(reg->reg & 0xffffff);
1459 reg->size = 4;
1460 return 0;
1461 }
1462
1463 static int vidioc_s_register (struct file *file, void *fh,
1464 struct v4l2_dbg_register *reg)
1465 {
1466 struct cx88_core *core = ((struct cx8800_fh*)fh)->dev->core;
1467
1468 if (!v4l2_chip_match_host(&reg->match))
1469 return -EINVAL;
1470 cx_write(reg->reg & 0xffffff, reg->val);
1471 return 0;
1472 }
1473 #endif
1474
1475 /* ----------------------------------------------------------- */
1476 /* RADIO ESPECIFIC IOCTLS */
1477 /* ----------------------------------------------------------- */
1478
1479 static int radio_querycap (struct file *file, void *priv,
1480 struct v4l2_capability *cap)
1481 {
1482 struct cx8800_dev *dev = ((struct cx8800_fh *)priv)->dev;
1483 struct cx88_core *core = dev->core;
1484
1485 strcpy(cap->driver, "cx8800");
1486 strlcpy(cap->card, core->board.name, sizeof(cap->card));
1487 sprintf(cap->bus_info,"PCI:%s", pci_name(dev->pci));
1488 cap->version = CX88_VERSION_CODE;
1489 cap->capabilities = V4L2_CAP_TUNER;
1490 return 0;
1491 }
1492
1493 static int radio_g_tuner (struct file *file, void *priv,
1494 struct v4l2_tuner *t)
1495 {
1496 struct cx88_core *core = ((struct cx8800_fh *)priv)->dev->core;
1497
1498 if (unlikely(t->index > 0))
1499 return -EINVAL;
1500
1501 strcpy(t->name, "Radio");
1502 t->type = V4L2_TUNER_RADIO;
1503
1504 call_all(core, tuner, g_tuner, t);
1505 return 0;
1506 }
1507
1508 static int radio_enum_input (struct file *file, void *priv,
1509 struct v4l2_input *i)
1510 {
1511 if (i->index != 0)
1512 return -EINVAL;
1513 strcpy(i->name,"Radio");
1514 i->type = V4L2_INPUT_TYPE_TUNER;
1515
1516 return 0;
1517 }
1518
1519 static int radio_g_audio (struct file *file, void *priv, struct v4l2_audio *a)
1520 {
1521 if (unlikely(a->index))
1522 return -EINVAL;
1523
1524 strcpy(a->name,"Radio");
1525 return 0;
1526 }
1527
1528 /* FIXME: Should add a standard for radio */
1529
1530 static int radio_s_tuner (struct file *file, void *priv,
1531 struct v4l2_tuner *t)
1532 {
1533 struct cx88_core *core = ((struct cx8800_fh *)priv)->dev->core;
1534
1535 if (0 != t->index)
1536 return -EINVAL;
1537
1538 call_all(core, tuner, s_tuner, t);
1539
1540 return 0;
1541 }
1542
1543 static int radio_s_audio (struct file *file, void *fh,
1544 struct v4l2_audio *a)
1545 {
1546 return 0;
1547 }
1548
1549 static int radio_s_input (struct file *file, void *fh, unsigned int i)
1550 {
1551 return 0;
1552 }
1553
1554 static int radio_queryctrl (struct file *file, void *priv,
1555 struct v4l2_queryctrl *c)
1556 {
1557 int i;
1558
1559 if (c->id < V4L2_CID_BASE ||
1560 c->id >= V4L2_CID_LASTP1)
1561 return -EINVAL;
1562 if (c->id == V4L2_CID_AUDIO_MUTE ||
1563 c->id == V4L2_CID_AUDIO_VOLUME ||
1564 c->id == V4L2_CID_AUDIO_BALANCE) {
1565 for (i = 0; i < CX8800_CTLS; i++) {
1566 if (cx8800_ctls[i].v.id == c->id)
1567 break;
1568 }
1569 if (i == CX8800_CTLS)
1570 return -EINVAL;
1571 *c = cx8800_ctls[i].v;
1572 } else
1573 *c = no_ctl;
1574 return 0;
1575 }
1576
1577 /* ----------------------------------------------------------- */
1578
1579 static void cx8800_vid_timeout(unsigned long data)
1580 {
1581 struct cx8800_dev *dev = (struct cx8800_dev*)data;
1582 struct cx88_core *core = dev->core;
1583 struct cx88_dmaqueue *q = &dev->vidq;
1584 struct cx88_buffer *buf;
1585 unsigned long flags;
1586
1587 cx88_sram_channel_dump(core, &cx88_sram_channels[SRAM_CH21]);
1588
1589 cx_clear(MO_VID_DMACNTRL, 0x11);
1590 cx_clear(VID_CAPTURE_CONTROL, 0x06);
1591
1592 spin_lock_irqsave(&dev->slock,flags);
1593 while (!list_empty(&q->active)) {
1594 buf = list_entry(q->active.next, struct cx88_buffer, vb.queue);
1595 list_del(&buf->vb.queue);
1596 buf->vb.state = VIDEOBUF_ERROR;
1597 wake_up(&buf->vb.done);
1598 printk("%s/0: [%p/%d] timeout - dma=0x%08lx\n", core->name,
1599 buf, buf->vb.i, (unsigned long)buf->risc.dma);
1600 }
1601 restart_video_queue(dev,q);
1602 spin_unlock_irqrestore(&dev->slock,flags);
1603 }
1604
1605 static const char *cx88_vid_irqs[32] = {
1606 "y_risci1", "u_risci1", "v_risci1", "vbi_risc1",
1607 "y_risci2", "u_risci2", "v_risci2", "vbi_risc2",
1608 "y_oflow", "u_oflow", "v_oflow", "vbi_oflow",
1609 "y_sync", "u_sync", "v_sync", "vbi_sync",
1610 "opc_err", "par_err", "rip_err", "pci_abort",
1611 };
1612
1613 static void cx8800_vid_irq(struct cx8800_dev *dev)
1614 {
1615 struct cx88_core *core = dev->core;
1616 u32 status, mask, count;
1617
1618 status = cx_read(MO_VID_INTSTAT);
1619 mask = cx_read(MO_VID_INTMSK);
1620 if (0 == (status & mask))
1621 return;
1622 cx_write(MO_VID_INTSTAT, status);
1623 if (irq_debug || (status & mask & ~0xff))
1624 cx88_print_irqbits(core->name, "irq vid",
1625 cx88_vid_irqs, ARRAY_SIZE(cx88_vid_irqs),
1626 status, mask);
1627
1628 /* risc op code error */
1629 if (status & (1 << 16)) {
1630 printk(KERN_WARNING "%s/0: video risc op code error\n",core->name);
1631 cx_clear(MO_VID_DMACNTRL, 0x11);
1632 cx_clear(VID_CAPTURE_CONTROL, 0x06);
1633 cx88_sram_channel_dump(core, &cx88_sram_channels[SRAM_CH21]);
1634 }
1635
1636 /* risc1 y */
1637 if (status & 0x01) {
1638 spin_lock(&dev->slock);
1639 count = cx_read(MO_VIDY_GPCNT);
1640 cx88_wakeup(core, &dev->vidq, count);
1641 spin_unlock(&dev->slock);
1642 }
1643
1644 /* risc1 vbi */
1645 if (status & 0x08) {
1646 spin_lock(&dev->slock);
1647 count = cx_read(MO_VBI_GPCNT);
1648 cx88_wakeup(core, &dev->vbiq, count);
1649 spin_unlock(&dev->slock);
1650 }
1651
1652 /* risc2 y */
1653 if (status & 0x10) {
1654 dprintk(2,"stopper video\n");
1655 spin_lock(&dev->slock);
1656 restart_video_queue(dev,&dev->vidq);
1657 spin_unlock(&dev->slock);
1658 }
1659
1660 /* risc2 vbi */
1661 if (status & 0x80) {
1662 dprintk(2,"stopper vbi\n");
1663 spin_lock(&dev->slock);
1664 cx8800_restart_vbi_queue(dev,&dev->vbiq);
1665 spin_unlock(&dev->slock);
1666 }
1667 }
1668
1669 static irqreturn_t cx8800_irq(int irq, void *dev_id)
1670 {
1671 struct cx8800_dev *dev = dev_id;
1672 struct cx88_core *core = dev->core;
1673 u32 status;
1674 int loop, handled = 0;
1675
1676 for (loop = 0; loop < 10; loop++) {
1677 status = cx_read(MO_PCI_INTSTAT) &
1678 (core->pci_irqmask | PCI_INT_VIDINT);
1679 if (0 == status)
1680 goto out;
1681 cx_write(MO_PCI_INTSTAT, status);
1682 handled = 1;
1683
1684 if (status & core->pci_irqmask)
1685 cx88_core_irq(core,status);
1686 if (status & PCI_INT_VIDINT)
1687 cx8800_vid_irq(dev);
1688 };
1689 if (10 == loop) {
1690 printk(KERN_WARNING "%s/0: irq loop -- clearing mask\n",
1691 core->name);
1692 cx_write(MO_PCI_INTMSK,0);
1693 }
1694
1695 out:
1696 return IRQ_RETVAL(handled);
1697 }
1698
1699 /* ----------------------------------------------------------- */
1700 /* exported stuff */
1701
1702 static const struct v4l2_file_operations video_fops =
1703 {
1704 .owner = THIS_MODULE,
1705 .open = video_open,
1706 .release = video_release,
1707 .read = video_read,
1708 .poll = video_poll,
1709 .mmap = video_mmap,
1710 .ioctl = video_ioctl2,
1711 };
1712
1713 static const struct v4l2_ioctl_ops video_ioctl_ops = {
1714 .vidioc_querycap = vidioc_querycap,
1715 .vidioc_enum_fmt_vid_cap = vidioc_enum_fmt_vid_cap,
1716 .vidioc_g_fmt_vid_cap = vidioc_g_fmt_vid_cap,
1717 .vidioc_try_fmt_vid_cap = vidioc_try_fmt_vid_cap,
1718 .vidioc_s_fmt_vid_cap = vidioc_s_fmt_vid_cap,
1719 .vidioc_g_fmt_vbi_cap = cx8800_vbi_fmt,
1720 .vidioc_try_fmt_vbi_cap = cx8800_vbi_fmt,
1721 .vidioc_s_fmt_vbi_cap = cx8800_vbi_fmt,
1722 .vidioc_reqbufs = vidioc_reqbufs,
1723 .vidioc_querybuf = vidioc_querybuf,
1724 .vidioc_qbuf = vidioc_qbuf,
1725 .vidioc_dqbuf = vidioc_dqbuf,
1726 .vidioc_s_std = vidioc_s_std,
1727 .vidioc_enum_input = vidioc_enum_input,
1728 .vidioc_g_input = vidioc_g_input,
1729 .vidioc_s_input = vidioc_s_input,
1730 .vidioc_queryctrl = vidioc_queryctrl,
1731 .vidioc_g_ctrl = vidioc_g_ctrl,
1732 .vidioc_s_ctrl = vidioc_s_ctrl,
1733 .vidioc_streamon = vidioc_streamon,
1734 .vidioc_streamoff = vidioc_streamoff,
1735 #ifdef CONFIG_VIDEO_V4L1_COMPAT
1736 .vidiocgmbuf = vidiocgmbuf,
1737 #endif
1738 .vidioc_g_tuner = vidioc_g_tuner,
1739 .vidioc_s_tuner = vidioc_s_tuner,
1740 .vidioc_g_frequency = vidioc_g_frequency,
1741 .vidioc_s_frequency = vidioc_s_frequency,
1742 #ifdef CONFIG_VIDEO_ADV_DEBUG
1743 .vidioc_g_register = vidioc_g_register,
1744 .vidioc_s_register = vidioc_s_register,
1745 #endif
1746 };
1747
1748 static struct video_device cx8800_vbi_template;
1749
1750 static const struct video_device cx8800_video_template = {
1751 .name = "cx8800-video",
1752 .fops = &video_fops,
1753 .ioctl_ops = &video_ioctl_ops,
1754 .tvnorms = CX88_NORMS,
1755 .current_norm = V4L2_STD_NTSC_M,
1756 };
1757
1758 static const struct v4l2_file_operations radio_fops =
1759 {
1760 .owner = THIS_MODULE,
1761 .open = video_open,
1762 .release = video_release,
1763 .ioctl = video_ioctl2,
1764 };
1765
1766 static const struct v4l2_ioctl_ops radio_ioctl_ops = {
1767 .vidioc_querycap = radio_querycap,
1768 .vidioc_g_tuner = radio_g_tuner,
1769 .vidioc_enum_input = radio_enum_input,
1770 .vidioc_g_audio = radio_g_audio,
1771 .vidioc_s_tuner = radio_s_tuner,
1772 .vidioc_s_audio = radio_s_audio,
1773 .vidioc_s_input = radio_s_input,
1774 .vidioc_queryctrl = radio_queryctrl,
1775 .vidioc_g_ctrl = vidioc_g_ctrl,
1776 .vidioc_s_ctrl = vidioc_s_ctrl,
1777 .vidioc_g_frequency = vidioc_g_frequency,
1778 .vidioc_s_frequency = vidioc_s_frequency,
1779 #ifdef CONFIG_VIDEO_ADV_DEBUG
1780 .vidioc_g_register = vidioc_g_register,
1781 .vidioc_s_register = vidioc_s_register,
1782 #endif
1783 };
1784
1785 static const struct video_device cx8800_radio_template = {
1786 .name = "cx8800-radio",
1787 .fops = &radio_fops,
1788 .ioctl_ops = &radio_ioctl_ops,
1789 };
1790
1791 /* ----------------------------------------------------------- */
1792
1793 static void cx8800_unregister_video(struct cx8800_dev *dev)
1794 {
1795 if (dev->radio_dev) {
1796 if (video_is_registered(dev->radio_dev))
1797 video_unregister_device(dev->radio_dev);
1798 else
1799 video_device_release(dev->radio_dev);
1800 dev->radio_dev = NULL;
1801 }
1802 if (dev->vbi_dev) {
1803 if (video_is_registered(dev->vbi_dev))
1804 video_unregister_device(dev->vbi_dev);
1805 else
1806 video_device_release(dev->vbi_dev);
1807 dev->vbi_dev = NULL;
1808 }
1809 if (dev->video_dev) {
1810 if (video_is_registered(dev->video_dev))
1811 video_unregister_device(dev->video_dev);
1812 else
1813 video_device_release(dev->video_dev);
1814 dev->video_dev = NULL;
1815 }
1816 }
1817
1818 static int __devinit cx8800_initdev(struct pci_dev *pci_dev,
1819 const struct pci_device_id *pci_id)
1820 {
1821 struct cx8800_dev *dev;
1822 struct cx88_core *core;
1823
1824 int err;
1825
1826 dev = kzalloc(sizeof(*dev),GFP_KERNEL);
1827 if (NULL == dev)
1828 return -ENOMEM;
1829
1830 /* pci init */
1831 dev->pci = pci_dev;
1832 if (pci_enable_device(pci_dev)) {
1833 err = -EIO;
1834 goto fail_free;
1835 }
1836 core = cx88_core_get(dev->pci);
1837 if (NULL == core) {
1838 err = -EINVAL;
1839 goto fail_free;
1840 }
1841 dev->core = core;
1842
1843 /* print pci info */
1844 pci_read_config_byte(pci_dev, PCI_CLASS_REVISION, &dev->pci_rev);
1845 pci_read_config_byte(pci_dev, PCI_LATENCY_TIMER, &dev->pci_lat);
1846 printk(KERN_INFO "%s/0: found at %s, rev: %d, irq: %d, "
1847 "latency: %d, mmio: 0x%llx\n", core->name,
1848 pci_name(pci_dev), dev->pci_rev, pci_dev->irq,
1849 dev->pci_lat,(unsigned long long)pci_resource_start(pci_dev,0));
1850
1851 pci_set_master(pci_dev);
1852 if (!pci_dma_supported(pci_dev,DMA_BIT_MASK(32))) {
1853 printk("%s/0: Oops: no 32bit PCI DMA ???\n",core->name);
1854 err = -EIO;
1855 goto fail_core;
1856 }
1857
1858 /* Initialize VBI template */
1859 memcpy( &cx8800_vbi_template, &cx8800_video_template,
1860 sizeof(cx8800_vbi_template) );
1861 strcpy(cx8800_vbi_template.name,"cx8800-vbi");
1862
1863 /* initialize driver struct */
1864 spin_lock_init(&dev->slock);
1865 core->tvnorm = cx8800_video_template.current_norm;
1866
1867 /* init video dma queues */
1868 INIT_LIST_HEAD(&dev->vidq.active);
1869 INIT_LIST_HEAD(&dev->vidq.queued);
1870 dev->vidq.timeout.function = cx8800_vid_timeout;
1871 dev->vidq.timeout.data = (unsigned long)dev;
1872 init_timer(&dev->vidq.timeout);
1873 cx88_risc_stopper(dev->pci,&dev->vidq.stopper,
1874 MO_VID_DMACNTRL,0x11,0x00);
1875
1876 /* init vbi dma queues */
1877 INIT_LIST_HEAD(&dev->vbiq.active);
1878 INIT_LIST_HEAD(&dev->vbiq.queued);
1879 dev->vbiq.timeout.function = cx8800_vbi_timeout;
1880 dev->vbiq.timeout.data = (unsigned long)dev;
1881 init_timer(&dev->vbiq.timeout);
1882 cx88_risc_stopper(dev->pci,&dev->vbiq.stopper,
1883 MO_VID_DMACNTRL,0x88,0x00);
1884
1885 /* get irq */
1886 err = request_irq(pci_dev->irq, cx8800_irq,
1887 IRQF_SHARED | IRQF_DISABLED, core->name, dev);
1888 if (err < 0) {
1889 printk(KERN_ERR "%s/0: can't get IRQ %d\n",
1890 core->name,pci_dev->irq);
1891 goto fail_core;
1892 }
1893 cx_set(MO_PCI_INTMSK, core->pci_irqmask);
1894
1895 /* load and configure helper modules */
1896
1897 if (core->board.audio_chip == V4L2_IDENT_WM8775)
1898 v4l2_i2c_new_subdev(&core->v4l2_dev, &core->i2c_adap,
1899 NULL, "wm8775", 0x36 >> 1, NULL);
1900
1901 if (core->board.audio_chip == V4L2_IDENT_TVAUDIO) {
1902 /* This probes for a tda9874 as is used on some
1903 Pixelview Ultra boards. */
1904 v4l2_i2c_new_subdev(&core->v4l2_dev,
1905 &core->i2c_adap,
1906 NULL, "tvaudio", 0, I2C_ADDRS(0xb0 >> 1));
1907 }
1908
1909 switch (core->boardnr) {
1910 case CX88_BOARD_DVICO_FUSIONHDTV_5_GOLD:
1911 case CX88_BOARD_DVICO_FUSIONHDTV_7_GOLD: {
1912 static const struct i2c_board_info rtc_info = {
1913 I2C_BOARD_INFO("isl1208", 0x6f)
1914 };
1915
1916 request_module("rtc-isl1208");
1917 core->i2c_rtc = i2c_new_device(&core->i2c_adap, &rtc_info);
1918 }
1919 /* break intentionally omitted */
1920 case CX88_BOARD_DVICO_FUSIONHDTV_5_PCI_NANO:
1921 request_module("ir-kbd-i2c");
1922 }
1923
1924 /* register v4l devices */
1925 dev->video_dev = cx88_vdev_init(core,dev->pci,
1926 &cx8800_video_template,"video");
1927 video_set_drvdata(dev->video_dev, dev);
1928 err = video_register_device(dev->video_dev,VFL_TYPE_GRABBER,
1929 video_nr[core->nr]);
1930 if (err < 0) {
1931 printk(KERN_ERR "%s/0: can't register video device\n",
1932 core->name);
1933 goto fail_unreg;
1934 }
1935 printk(KERN_INFO "%s/0: registered device %s [v4l2]\n",
1936 core->name, video_device_node_name(dev->video_dev));
1937
1938 dev->vbi_dev = cx88_vdev_init(core,dev->pci,&cx8800_vbi_template,"vbi");
1939 video_set_drvdata(dev->vbi_dev, dev);
1940 err = video_register_device(dev->vbi_dev,VFL_TYPE_VBI,
1941 vbi_nr[core->nr]);
1942 if (err < 0) {
1943 printk(KERN_ERR "%s/0: can't register vbi device\n",
1944 core->name);
1945 goto fail_unreg;
1946 }
1947 printk(KERN_INFO "%s/0: registered device %s\n",
1948 core->name, video_device_node_name(dev->vbi_dev));
1949
1950 if (core->board.radio.type == CX88_RADIO) {
1951 dev->radio_dev = cx88_vdev_init(core,dev->pci,
1952 &cx8800_radio_template,"radio");
1953 video_set_drvdata(dev->radio_dev, dev);
1954 err = video_register_device(dev->radio_dev,VFL_TYPE_RADIO,
1955 radio_nr[core->nr]);
1956 if (err < 0) {
1957 printk(KERN_ERR "%s/0: can't register radio device\n",
1958 core->name);
1959 goto fail_unreg;
1960 }
1961 printk(KERN_INFO "%s/0: registered device %s\n",
1962 core->name, video_device_node_name(dev->radio_dev));
1963 }
1964
1965 /* everything worked */
1966 pci_set_drvdata(pci_dev,dev);
1967
1968 /* initial device configuration */
1969 mutex_lock(&core->lock);
1970 cx88_set_tvnorm(core,core->tvnorm);
1971 init_controls(core);
1972 cx88_video_mux(core,0);
1973 mutex_unlock(&core->lock);
1974
1975 /* start tvaudio thread */
1976 if (core->board.tuner_type != TUNER_ABSENT) {
1977 core->kthread = kthread_run(cx88_audio_thread, core, "cx88 tvaudio");
1978 if (IS_ERR(core->kthread)) {
1979 err = PTR_ERR(core->kthread);
1980 printk(KERN_ERR "%s/0: failed to create cx88 audio thread, err=%d\n",
1981 core->name, err);
1982 }
1983 }
1984 return 0;
1985
1986 fail_unreg:
1987 cx8800_unregister_video(dev);
1988 free_irq(pci_dev->irq, dev);
1989 fail_core:
1990 cx88_core_put(core,dev->pci);
1991 fail_free:
1992 kfree(dev);
1993 return err;
1994 }
1995
1996 static void __devexit cx8800_finidev(struct pci_dev *pci_dev)
1997 {
1998 struct cx8800_dev *dev = pci_get_drvdata(pci_dev);
1999 struct cx88_core *core = dev->core;
2000
2001 /* stop thread */
2002 if (core->kthread) {
2003 kthread_stop(core->kthread);
2004 core->kthread = NULL;
2005 }
2006
2007 if (core->ir)
2008 cx88_ir_stop(core);
2009
2010 cx88_shutdown(core); /* FIXME */
2011 pci_disable_device(pci_dev);
2012
2013 /* unregister stuff */
2014
2015 free_irq(pci_dev->irq, dev);
2016 cx8800_unregister_video(dev);
2017 pci_set_drvdata(pci_dev, NULL);
2018
2019 /* free memory */
2020 btcx_riscmem_free(dev->pci,&dev->vidq.stopper);
2021 cx88_core_put(core,dev->pci);
2022 kfree(dev);
2023 }
2024
2025 #ifdef CONFIG_PM
2026 static int cx8800_suspend(struct pci_dev *pci_dev, pm_message_t state)
2027 {
2028 struct cx8800_dev *dev = pci_get_drvdata(pci_dev);
2029 struct cx88_core *core = dev->core;
2030
2031 /* stop video+vbi capture */
2032 spin_lock(&dev->slock);
2033 if (!list_empty(&dev->vidq.active)) {
2034 printk("%s/0: suspend video\n", core->name);
2035 stop_video_dma(dev);
2036 del_timer(&dev->vidq.timeout);
2037 }
2038 if (!list_empty(&dev->vbiq.active)) {
2039 printk("%s/0: suspend vbi\n", core->name);
2040 cx8800_stop_vbi_dma(dev);
2041 del_timer(&dev->vbiq.timeout);
2042 }
2043 spin_unlock(&dev->slock);
2044
2045 if (core->ir)
2046 cx88_ir_stop(core);
2047 /* FIXME -- shutdown device */
2048 cx88_shutdown(core);
2049
2050 pci_save_state(pci_dev);
2051 if (0 != pci_set_power_state(pci_dev, pci_choose_state(pci_dev, state))) {
2052 pci_disable_device(pci_dev);
2053 dev->state.disabled = 1;
2054 }
2055 return 0;
2056 }
2057
2058 static int cx8800_resume(struct pci_dev *pci_dev)
2059 {
2060 struct cx8800_dev *dev = pci_get_drvdata(pci_dev);
2061 struct cx88_core *core = dev->core;
2062 int err;
2063
2064 if (dev->state.disabled) {
2065 err=pci_enable_device(pci_dev);
2066 if (err) {
2067 printk(KERN_ERR "%s/0: can't enable device\n",
2068 core->name);
2069 return err;
2070 }
2071
2072 dev->state.disabled = 0;
2073 }
2074 err= pci_set_power_state(pci_dev, PCI_D0);
2075 if (err) {
2076 printk(KERN_ERR "%s/0: can't set power state\n", core->name);
2077 pci_disable_device(pci_dev);
2078 dev->state.disabled = 1;
2079
2080 return err;
2081 }
2082 pci_restore_state(pci_dev);
2083
2084 /* FIXME: re-initialize hardware */
2085 cx88_reset(core);
2086 if (core->ir)
2087 cx88_ir_start(core);
2088
2089 cx_set(MO_PCI_INTMSK, core->pci_irqmask);
2090
2091 /* restart video+vbi capture */
2092 spin_lock(&dev->slock);
2093 if (!list_empty(&dev->vidq.active)) {
2094 printk("%s/0: resume video\n", core->name);
2095 restart_video_queue(dev,&dev->vidq);
2096 }
2097 if (!list_empty(&dev->vbiq.active)) {
2098 printk("%s/0: resume vbi\n", core->name);
2099 cx8800_restart_vbi_queue(dev,&dev->vbiq);
2100 }
2101 spin_unlock(&dev->slock);
2102
2103 return 0;
2104 }
2105 #endif
2106
2107 /* ----------------------------------------------------------- */
2108
2109 static const struct pci_device_id cx8800_pci_tbl[] = {
2110 {
2111 .vendor = 0x14f1,
2112 .device = 0x8800,
2113 .subvendor = PCI_ANY_ID,
2114 .subdevice = PCI_ANY_ID,
2115 },{
2116 /* --- end of list --- */
2117 }
2118 };
2119 MODULE_DEVICE_TABLE(pci, cx8800_pci_tbl);
2120
2121 static struct pci_driver cx8800_pci_driver = {
2122 .name = "cx8800",
2123 .id_table = cx8800_pci_tbl,
2124 .probe = cx8800_initdev,
2125 .remove = __devexit_p(cx8800_finidev),
2126 #ifdef CONFIG_PM
2127 .suspend = cx8800_suspend,
2128 .resume = cx8800_resume,
2129 #endif
2130 };
2131
2132 static int __init cx8800_init(void)
2133 {
2134 printk(KERN_INFO "cx88/0: cx2388x v4l2 driver version %d.%d.%d loaded\n",
2135 (CX88_VERSION_CODE >> 16) & 0xff,
2136 (CX88_VERSION_CODE >> 8) & 0xff,
2137 CX88_VERSION_CODE & 0xff);
2138 #ifdef SNAPSHOT
2139 printk(KERN_INFO "cx2388x: snapshot date %04d-%02d-%02d\n",
2140 SNAPSHOT/10000, (SNAPSHOT/100)%100, SNAPSHOT%100);
2141 #endif
2142 return pci_register_driver(&cx8800_pci_driver);
2143 }
2144
2145 static void __exit cx8800_fini(void)
2146 {
2147 pci_unregister_driver(&cx8800_pci_driver);
2148 }
2149
2150 module_init(cx8800_init);
2151 module_exit(cx8800_fini);
2152
2153 /* ----------------------------------------------------------- */
2154 /*
2155 * Local variables:
2156 * c-basic-offset: 8
2157 * End:
2158 * 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
2159 */
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