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[media] v4l2: add const to argument of write-only s_frequency ioctl
[deliverable/linux.git] / drivers / media / pci / 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 #include <media/v4l2-event.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 MODULE_VERSION(CX88_VERSION);
50
51 /* ------------------------------------------------------------------ */
52
53 static unsigned int video_nr[] = {[0 ... (CX88_MAXBOARDS - 1)] = UNSET };
54 static unsigned int vbi_nr[] = {[0 ... (CX88_MAXBOARDS - 1)] = UNSET };
55 static unsigned int radio_nr[] = {[0 ... (CX88_MAXBOARDS - 1)] = UNSET };
56
57 module_param_array(video_nr, int, NULL, 0444);
58 module_param_array(vbi_nr, int, NULL, 0444);
59 module_param_array(radio_nr, int, NULL, 0444);
60
61 MODULE_PARM_DESC(video_nr,"video device numbers");
62 MODULE_PARM_DESC(vbi_nr,"vbi device numbers");
63 MODULE_PARM_DESC(radio_nr,"radio device numbers");
64
65 static unsigned int video_debug;
66 module_param(video_debug,int,0644);
67 MODULE_PARM_DESC(video_debug,"enable debug messages [video]");
68
69 static unsigned int irq_debug;
70 module_param(irq_debug,int,0644);
71 MODULE_PARM_DESC(irq_debug,"enable debug messages [IRQ handler]");
72
73 static unsigned int vid_limit = 16;
74 module_param(vid_limit,int,0644);
75 MODULE_PARM_DESC(vid_limit,"capture memory limit in megabytes");
76
77 #define dprintk(level,fmt, arg...) if (video_debug >= level) \
78 printk(KERN_DEBUG "%s/0: " fmt, core->name , ## arg)
79
80 /* ------------------------------------------------------------------- */
81 /* static data */
82
83 static const struct cx8800_fmt formats[] = {
84 {
85 .name = "8 bpp, gray",
86 .fourcc = V4L2_PIX_FMT_GREY,
87 .cxformat = ColorFormatY8,
88 .depth = 8,
89 .flags = FORMAT_FLAGS_PACKED,
90 },{
91 .name = "15 bpp RGB, le",
92 .fourcc = V4L2_PIX_FMT_RGB555,
93 .cxformat = ColorFormatRGB15,
94 .depth = 16,
95 .flags = FORMAT_FLAGS_PACKED,
96 },{
97 .name = "15 bpp RGB, be",
98 .fourcc = V4L2_PIX_FMT_RGB555X,
99 .cxformat = ColorFormatRGB15 | ColorFormatBSWAP,
100 .depth = 16,
101 .flags = FORMAT_FLAGS_PACKED,
102 },{
103 .name = "16 bpp RGB, le",
104 .fourcc = V4L2_PIX_FMT_RGB565,
105 .cxformat = ColorFormatRGB16,
106 .depth = 16,
107 .flags = FORMAT_FLAGS_PACKED,
108 },{
109 .name = "16 bpp RGB, be",
110 .fourcc = V4L2_PIX_FMT_RGB565X,
111 .cxformat = ColorFormatRGB16 | ColorFormatBSWAP,
112 .depth = 16,
113 .flags = FORMAT_FLAGS_PACKED,
114 },{
115 .name = "24 bpp RGB, le",
116 .fourcc = V4L2_PIX_FMT_BGR24,
117 .cxformat = ColorFormatRGB24,
118 .depth = 24,
119 .flags = FORMAT_FLAGS_PACKED,
120 },{
121 .name = "32 bpp RGB, le",
122 .fourcc = V4L2_PIX_FMT_BGR32,
123 .cxformat = ColorFormatRGB32,
124 .depth = 32,
125 .flags = FORMAT_FLAGS_PACKED,
126 },{
127 .name = "32 bpp RGB, be",
128 .fourcc = V4L2_PIX_FMT_RGB32,
129 .cxformat = ColorFormatRGB32 | ColorFormatBSWAP | ColorFormatWSWAP,
130 .depth = 32,
131 .flags = FORMAT_FLAGS_PACKED,
132 },{
133 .name = "4:2:2, packed, YUYV",
134 .fourcc = V4L2_PIX_FMT_YUYV,
135 .cxformat = ColorFormatYUY2,
136 .depth = 16,
137 .flags = FORMAT_FLAGS_PACKED,
138 },{
139 .name = "4:2:2, packed, UYVY",
140 .fourcc = V4L2_PIX_FMT_UYVY,
141 .cxformat = ColorFormatYUY2 | ColorFormatBSWAP,
142 .depth = 16,
143 .flags = FORMAT_FLAGS_PACKED,
144 },
145 };
146
147 static const struct cx8800_fmt* format_by_fourcc(unsigned int fourcc)
148 {
149 unsigned int i;
150
151 for (i = 0; i < ARRAY_SIZE(formats); i++)
152 if (formats[i].fourcc == fourcc)
153 return formats+i;
154 return NULL;
155 }
156
157 /* ------------------------------------------------------------------- */
158
159 struct cx88_ctrl {
160 /* control information */
161 u32 id;
162 s32 minimum;
163 s32 maximum;
164 u32 step;
165 s32 default_value;
166
167 /* control register information */
168 u32 off;
169 u32 reg;
170 u32 sreg;
171 u32 mask;
172 u32 shift;
173 };
174
175 static const struct cx88_ctrl cx8800_vid_ctls[] = {
176 /* --- video --- */
177 {
178 .id = V4L2_CID_BRIGHTNESS,
179 .minimum = 0x00,
180 .maximum = 0xff,
181 .step = 1,
182 .default_value = 0x7f,
183 .off = 128,
184 .reg = MO_CONTR_BRIGHT,
185 .mask = 0x00ff,
186 .shift = 0,
187 },{
188 .id = V4L2_CID_CONTRAST,
189 .minimum = 0,
190 .maximum = 0xff,
191 .step = 1,
192 .default_value = 0x3f,
193 .off = 0,
194 .reg = MO_CONTR_BRIGHT,
195 .mask = 0xff00,
196 .shift = 8,
197 },{
198 .id = V4L2_CID_HUE,
199 .minimum = 0,
200 .maximum = 0xff,
201 .step = 1,
202 .default_value = 0x7f,
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 .id = V4L2_CID_SATURATION,
212 .minimum = 0,
213 .maximum = 0xff,
214 .step = 1,
215 .default_value = 0x7f,
216 .off = 0,
217 .reg = MO_UV_SATURATION,
218 .mask = 0x00ff,
219 .shift = 0,
220 }, {
221 .id = V4L2_CID_SHARPNESS,
222 .minimum = 0,
223 .maximum = 4,
224 .step = 1,
225 .default_value = 0x0,
226 .off = 0,
227 /* NOTE: the value is converted and written to both even
228 and odd registers in the code */
229 .reg = MO_FILTER_ODD,
230 .mask = 7 << 7,
231 .shift = 7,
232 }, {
233 .id = V4L2_CID_CHROMA_AGC,
234 .minimum = 0,
235 .maximum = 1,
236 .default_value = 0x1,
237 .reg = MO_INPUT_FORMAT,
238 .mask = 1 << 10,
239 .shift = 10,
240 }, {
241 .id = V4L2_CID_COLOR_KILLER,
242 .minimum = 0,
243 .maximum = 1,
244 .default_value = 0x1,
245 .reg = MO_INPUT_FORMAT,
246 .mask = 1 << 9,
247 .shift = 9,
248 }, {
249 .id = V4L2_CID_BAND_STOP_FILTER,
250 .minimum = 0,
251 .maximum = 1,
252 .step = 1,
253 .default_value = 0x0,
254 .off = 0,
255 .reg = MO_HTOTAL,
256 .mask = 3 << 11,
257 .shift = 11,
258 }
259 };
260
261 static const struct cx88_ctrl cx8800_aud_ctls[] = {
262 {
263 /* --- audio --- */
264 .id = V4L2_CID_AUDIO_MUTE,
265 .minimum = 0,
266 .maximum = 1,
267 .default_value = 1,
268 .reg = AUD_VOL_CTL,
269 .sreg = SHADOW_AUD_VOL_CTL,
270 .mask = (1 << 6),
271 .shift = 6,
272 },{
273 .id = V4L2_CID_AUDIO_VOLUME,
274 .minimum = 0,
275 .maximum = 0x3f,
276 .step = 1,
277 .default_value = 0x3f,
278 .reg = AUD_VOL_CTL,
279 .sreg = SHADOW_AUD_VOL_CTL,
280 .mask = 0x3f,
281 .shift = 0,
282 },{
283 .id = V4L2_CID_AUDIO_BALANCE,
284 .minimum = 0,
285 .maximum = 0x7f,
286 .step = 1,
287 .default_value = 0x40,
288 .reg = AUD_BAL_CTL,
289 .sreg = SHADOW_AUD_BAL_CTL,
290 .mask = 0x7f,
291 .shift = 0,
292 }
293 };
294
295 enum {
296 CX8800_VID_CTLS = ARRAY_SIZE(cx8800_vid_ctls),
297 CX8800_AUD_CTLS = ARRAY_SIZE(cx8800_aud_ctls),
298 };
299
300 /* ------------------------------------------------------------------- */
301 /* resource management */
302
303 static int res_get(struct cx8800_dev *dev, struct cx8800_fh *fh, unsigned int bit)
304 {
305 struct cx88_core *core = dev->core;
306 if (fh->resources & bit)
307 /* have it already allocated */
308 return 1;
309
310 /* is it free? */
311 mutex_lock(&core->lock);
312 if (dev->resources & bit) {
313 /* no, someone else uses it */
314 mutex_unlock(&core->lock);
315 return 0;
316 }
317 /* it's free, grab it */
318 fh->resources |= bit;
319 dev->resources |= bit;
320 dprintk(1,"res: get %d\n",bit);
321 mutex_unlock(&core->lock);
322 return 1;
323 }
324
325 static
326 int res_check(struct cx8800_fh *fh, unsigned int bit)
327 {
328 return (fh->resources & bit);
329 }
330
331 static
332 int res_locked(struct cx8800_dev *dev, unsigned int bit)
333 {
334 return (dev->resources & bit);
335 }
336
337 static
338 void res_free(struct cx8800_dev *dev, struct cx8800_fh *fh, unsigned int bits)
339 {
340 struct cx88_core *core = dev->core;
341 BUG_ON((fh->resources & bits) != bits);
342
343 mutex_lock(&core->lock);
344 fh->resources &= ~bits;
345 dev->resources &= ~bits;
346 dprintk(1,"res: put %d\n",bits);
347 mutex_unlock(&core->lock);
348 }
349
350 /* ------------------------------------------------------------------ */
351
352 int cx88_video_mux(struct cx88_core *core, unsigned int input)
353 {
354 /* struct cx88_core *core = dev->core; */
355
356 dprintk(1,"video_mux: %d [vmux=%d,gpio=0x%x,0x%x,0x%x,0x%x]\n",
357 input, INPUT(input).vmux,
358 INPUT(input).gpio0,INPUT(input).gpio1,
359 INPUT(input).gpio2,INPUT(input).gpio3);
360 core->input = input;
361 cx_andor(MO_INPUT_FORMAT, 0x03 << 14, INPUT(input).vmux << 14);
362 cx_write(MO_GP3_IO, INPUT(input).gpio3);
363 cx_write(MO_GP0_IO, INPUT(input).gpio0);
364 cx_write(MO_GP1_IO, INPUT(input).gpio1);
365 cx_write(MO_GP2_IO, INPUT(input).gpio2);
366
367 switch (INPUT(input).type) {
368 case CX88_VMUX_SVIDEO:
369 cx_set(MO_AFECFG_IO, 0x00000001);
370 cx_set(MO_INPUT_FORMAT, 0x00010010);
371 cx_set(MO_FILTER_EVEN, 0x00002020);
372 cx_set(MO_FILTER_ODD, 0x00002020);
373 break;
374 default:
375 cx_clear(MO_AFECFG_IO, 0x00000001);
376 cx_clear(MO_INPUT_FORMAT, 0x00010010);
377 cx_clear(MO_FILTER_EVEN, 0x00002020);
378 cx_clear(MO_FILTER_ODD, 0x00002020);
379 break;
380 }
381
382 /* if there are audioroutes defined, we have an external
383 ADC to deal with audio */
384 if (INPUT(input).audioroute) {
385 /* The wm8775 module has the "2" route hardwired into
386 the initialization. Some boards may use different
387 routes for different inputs. HVR-1300 surely does */
388 if (core->board.audio_chip &&
389 core->board.audio_chip == V4L2_IDENT_WM8775) {
390 call_all(core, audio, s_routing,
391 INPUT(input).audioroute, 0, 0);
392 }
393 /* cx2388's C-ADC is connected to the tuner only.
394 When used with S-Video, that ADC is busy dealing with
395 chroma, so an external must be used for baseband audio */
396 if (INPUT(input).type != CX88_VMUX_TELEVISION &&
397 INPUT(input).type != CX88_VMUX_CABLE) {
398 /* "I2S ADC mode" */
399 core->tvaudio = WW_I2SADC;
400 cx88_set_tvaudio(core);
401 } else {
402 /* Normal mode */
403 cx_write(AUD_I2SCNTL, 0x0);
404 cx_clear(AUD_CTL, EN_I2SIN_ENABLE);
405 }
406 }
407
408 return 0;
409 }
410 EXPORT_SYMBOL(cx88_video_mux);
411
412 /* ------------------------------------------------------------------ */
413
414 static int start_video_dma(struct cx8800_dev *dev,
415 struct cx88_dmaqueue *q,
416 struct cx88_buffer *buf)
417 {
418 struct cx88_core *core = dev->core;
419
420 /* setup fifo + format */
421 cx88_sram_channel_setup(core, &cx88_sram_channels[SRAM_CH21],
422 buf->bpl, buf->risc.dma);
423 cx88_set_scale(core, buf->vb.width, buf->vb.height, buf->vb.field);
424 cx_write(MO_COLOR_CTRL, buf->fmt->cxformat | ColorFormatGamma);
425
426 /* reset counter */
427 cx_write(MO_VIDY_GPCNTRL,GP_COUNT_CONTROL_RESET);
428 q->count = 1;
429
430 /* enable irqs */
431 cx_set(MO_PCI_INTMSK, core->pci_irqmask | PCI_INT_VIDINT);
432
433 /* Enables corresponding bits at PCI_INT_STAT:
434 bits 0 to 4: video, audio, transport stream, VIP, Host
435 bit 7: timer
436 bits 8 and 9: DMA complete for: SRC, DST
437 bits 10 and 11: BERR signal asserted for RISC: RD, WR
438 bits 12 to 15: BERR signal asserted for: BRDG, SRC, DST, IPB
439 */
440 cx_set(MO_VID_INTMSK, 0x0f0011);
441
442 /* enable capture */
443 cx_set(VID_CAPTURE_CONTROL,0x06);
444
445 /* start dma */
446 cx_set(MO_DEV_CNTRL2, (1<<5));
447 cx_set(MO_VID_DMACNTRL, 0x11); /* Planar Y and packed FIFO and RISC enable */
448
449 return 0;
450 }
451
452 #ifdef CONFIG_PM
453 static int stop_video_dma(struct cx8800_dev *dev)
454 {
455 struct cx88_core *core = dev->core;
456
457 /* stop dma */
458 cx_clear(MO_VID_DMACNTRL, 0x11);
459
460 /* disable capture */
461 cx_clear(VID_CAPTURE_CONTROL,0x06);
462
463 /* disable irqs */
464 cx_clear(MO_PCI_INTMSK, PCI_INT_VIDINT);
465 cx_clear(MO_VID_INTMSK, 0x0f0011);
466 return 0;
467 }
468 #endif
469
470 static int restart_video_queue(struct cx8800_dev *dev,
471 struct cx88_dmaqueue *q)
472 {
473 struct cx88_core *core = dev->core;
474 struct cx88_buffer *buf, *prev;
475
476 if (!list_empty(&q->active)) {
477 buf = list_entry(q->active.next, struct cx88_buffer, vb.queue);
478 dprintk(2,"restart_queue [%p/%d]: restart dma\n",
479 buf, buf->vb.i);
480 start_video_dma(dev, q, buf);
481 list_for_each_entry(buf, &q->active, vb.queue)
482 buf->count = q->count++;
483 mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT);
484 return 0;
485 }
486
487 prev = NULL;
488 for (;;) {
489 if (list_empty(&q->queued))
490 return 0;
491 buf = list_entry(q->queued.next, struct cx88_buffer, vb.queue);
492 if (NULL == prev) {
493 list_move_tail(&buf->vb.queue, &q->active);
494 start_video_dma(dev, q, buf);
495 buf->vb.state = VIDEOBUF_ACTIVE;
496 buf->count = q->count++;
497 mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT);
498 dprintk(2,"[%p/%d] restart_queue - first active\n",
499 buf,buf->vb.i);
500
501 } else if (prev->vb.width == buf->vb.width &&
502 prev->vb.height == buf->vb.height &&
503 prev->fmt == buf->fmt) {
504 list_move_tail(&buf->vb.queue, &q->active);
505 buf->vb.state = VIDEOBUF_ACTIVE;
506 buf->count = q->count++;
507 prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma);
508 dprintk(2,"[%p/%d] restart_queue - move to active\n",
509 buf,buf->vb.i);
510 } else {
511 return 0;
512 }
513 prev = buf;
514 }
515 }
516
517 /* ------------------------------------------------------------------ */
518
519 static int
520 buffer_setup(struct videobuf_queue *q, unsigned int *count, unsigned int *size)
521 {
522 struct cx8800_fh *fh = q->priv_data;
523 struct cx8800_dev *dev = fh->dev;
524
525 *size = dev->fmt->depth * dev->width * dev->height >> 3;
526 if (0 == *count)
527 *count = 32;
528 if (*size * *count > vid_limit * 1024 * 1024)
529 *count = (vid_limit * 1024 * 1024) / *size;
530 return 0;
531 }
532
533 static int
534 buffer_prepare(struct videobuf_queue *q, struct videobuf_buffer *vb,
535 enum v4l2_field field)
536 {
537 struct cx8800_fh *fh = q->priv_data;
538 struct cx8800_dev *dev = fh->dev;
539 struct cx88_core *core = dev->core;
540 struct cx88_buffer *buf = container_of(vb,struct cx88_buffer,vb);
541 struct videobuf_dmabuf *dma=videobuf_to_dma(&buf->vb);
542 int rc, init_buffer = 0;
543
544 BUG_ON(NULL == dev->fmt);
545 if (dev->width < 48 || dev->width > norm_maxw(core->tvnorm) ||
546 dev->height < 32 || dev->height > norm_maxh(core->tvnorm))
547 return -EINVAL;
548 buf->vb.size = (dev->width * dev->height * dev->fmt->depth) >> 3;
549 if (0 != buf->vb.baddr && buf->vb.bsize < buf->vb.size)
550 return -EINVAL;
551
552 if (buf->fmt != dev->fmt ||
553 buf->vb.width != dev->width ||
554 buf->vb.height != dev->height ||
555 buf->vb.field != field) {
556 buf->fmt = dev->fmt;
557 buf->vb.width = dev->width;
558 buf->vb.height = dev->height;
559 buf->vb.field = field;
560 init_buffer = 1;
561 }
562
563 if (VIDEOBUF_NEEDS_INIT == buf->vb.state) {
564 init_buffer = 1;
565 if (0 != (rc = videobuf_iolock(q,&buf->vb,NULL)))
566 goto fail;
567 }
568
569 if (init_buffer) {
570 buf->bpl = buf->vb.width * buf->fmt->depth >> 3;
571 switch (buf->vb.field) {
572 case V4L2_FIELD_TOP:
573 cx88_risc_buffer(dev->pci, &buf->risc,
574 dma->sglist, 0, UNSET,
575 buf->bpl, 0, buf->vb.height);
576 break;
577 case V4L2_FIELD_BOTTOM:
578 cx88_risc_buffer(dev->pci, &buf->risc,
579 dma->sglist, UNSET, 0,
580 buf->bpl, 0, buf->vb.height);
581 break;
582 case V4L2_FIELD_INTERLACED:
583 cx88_risc_buffer(dev->pci, &buf->risc,
584 dma->sglist, 0, buf->bpl,
585 buf->bpl, buf->bpl,
586 buf->vb.height >> 1);
587 break;
588 case V4L2_FIELD_SEQ_TB:
589 cx88_risc_buffer(dev->pci, &buf->risc,
590 dma->sglist,
591 0, buf->bpl * (buf->vb.height >> 1),
592 buf->bpl, 0,
593 buf->vb.height >> 1);
594 break;
595 case V4L2_FIELD_SEQ_BT:
596 cx88_risc_buffer(dev->pci, &buf->risc,
597 dma->sglist,
598 buf->bpl * (buf->vb.height >> 1), 0,
599 buf->bpl, 0,
600 buf->vb.height >> 1);
601 break;
602 default:
603 BUG();
604 }
605 }
606 dprintk(2,"[%p/%d] buffer_prepare - %dx%d %dbpp \"%s\" - dma=0x%08lx\n",
607 buf, buf->vb.i,
608 dev->width, dev->height, dev->fmt->depth, dev->fmt->name,
609 (unsigned long)buf->risc.dma);
610
611 buf->vb.state = VIDEOBUF_PREPARED;
612 return 0;
613
614 fail:
615 cx88_free_buffer(q,buf);
616 return rc;
617 }
618
619 static void
620 buffer_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb)
621 {
622 struct cx88_buffer *buf = container_of(vb,struct cx88_buffer,vb);
623 struct cx88_buffer *prev;
624 struct cx8800_fh *fh = vq->priv_data;
625 struct cx8800_dev *dev = fh->dev;
626 struct cx88_core *core = dev->core;
627 struct cx88_dmaqueue *q = &dev->vidq;
628
629 /* add jump to stopper */
630 buf->risc.jmp[0] = cpu_to_le32(RISC_JUMP | RISC_IRQ1 | RISC_CNT_INC);
631 buf->risc.jmp[1] = cpu_to_le32(q->stopper.dma);
632
633 if (!list_empty(&q->queued)) {
634 list_add_tail(&buf->vb.queue,&q->queued);
635 buf->vb.state = VIDEOBUF_QUEUED;
636 dprintk(2,"[%p/%d] buffer_queue - append to queued\n",
637 buf, buf->vb.i);
638
639 } else if (list_empty(&q->active)) {
640 list_add_tail(&buf->vb.queue,&q->active);
641 start_video_dma(dev, q, buf);
642 buf->vb.state = VIDEOBUF_ACTIVE;
643 buf->count = q->count++;
644 mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT);
645 dprintk(2,"[%p/%d] buffer_queue - first active\n",
646 buf, buf->vb.i);
647
648 } else {
649 prev = list_entry(q->active.prev, struct cx88_buffer, vb.queue);
650 if (prev->vb.width == buf->vb.width &&
651 prev->vb.height == buf->vb.height &&
652 prev->fmt == buf->fmt) {
653 list_add_tail(&buf->vb.queue,&q->active);
654 buf->vb.state = VIDEOBUF_ACTIVE;
655 buf->count = q->count++;
656 prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma);
657 dprintk(2,"[%p/%d] buffer_queue - append to active\n",
658 buf, buf->vb.i);
659
660 } else {
661 list_add_tail(&buf->vb.queue,&q->queued);
662 buf->vb.state = VIDEOBUF_QUEUED;
663 dprintk(2,"[%p/%d] buffer_queue - first queued\n",
664 buf, buf->vb.i);
665 }
666 }
667 }
668
669 static void buffer_release(struct videobuf_queue *q, struct videobuf_buffer *vb)
670 {
671 struct cx88_buffer *buf = container_of(vb,struct cx88_buffer,vb);
672
673 cx88_free_buffer(q,buf);
674 }
675
676 static const struct videobuf_queue_ops cx8800_video_qops = {
677 .buf_setup = buffer_setup,
678 .buf_prepare = buffer_prepare,
679 .buf_queue = buffer_queue,
680 .buf_release = buffer_release,
681 };
682
683 /* ------------------------------------------------------------------ */
684
685
686 /* ------------------------------------------------------------------ */
687
688 static struct videobuf_queue *get_queue(struct file *file)
689 {
690 struct video_device *vdev = video_devdata(file);
691 struct cx8800_fh *fh = file->private_data;
692
693 switch (vdev->vfl_type) {
694 case VFL_TYPE_GRABBER:
695 return &fh->vidq;
696 case VFL_TYPE_VBI:
697 return &fh->vbiq;
698 default:
699 BUG();
700 return NULL;
701 }
702 }
703
704 static int get_resource(struct file *file)
705 {
706 struct video_device *vdev = video_devdata(file);
707
708 switch (vdev->vfl_type) {
709 case VFL_TYPE_GRABBER:
710 return RESOURCE_VIDEO;
711 case VFL_TYPE_VBI:
712 return RESOURCE_VBI;
713 default:
714 BUG();
715 return 0;
716 }
717 }
718
719 static int video_open(struct file *file)
720 {
721 struct video_device *vdev = video_devdata(file);
722 struct cx8800_dev *dev = video_drvdata(file);
723 struct cx88_core *core = dev->core;
724 struct cx8800_fh *fh;
725 enum v4l2_buf_type type = 0;
726 int radio = 0;
727
728 switch (vdev->vfl_type) {
729 case VFL_TYPE_GRABBER:
730 type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
731 break;
732 case VFL_TYPE_VBI:
733 type = V4L2_BUF_TYPE_VBI_CAPTURE;
734 break;
735 case VFL_TYPE_RADIO:
736 radio = 1;
737 break;
738 }
739
740 dprintk(1, "open dev=%s radio=%d type=%s\n",
741 video_device_node_name(vdev), radio, v4l2_type_names[type]);
742
743 /* allocate + initialize per filehandle data */
744 fh = kzalloc(sizeof(*fh),GFP_KERNEL);
745 if (unlikely(!fh))
746 return -ENOMEM;
747
748 v4l2_fh_init(&fh->fh, vdev);
749 file->private_data = fh;
750 fh->dev = dev;
751
752 mutex_lock(&core->lock);
753
754 videobuf_queue_sg_init(&fh->vidq, &cx8800_video_qops,
755 &dev->pci->dev, &dev->slock,
756 V4L2_BUF_TYPE_VIDEO_CAPTURE,
757 V4L2_FIELD_INTERLACED,
758 sizeof(struct cx88_buffer),
759 fh, NULL);
760 videobuf_queue_sg_init(&fh->vbiq, &cx8800_vbi_qops,
761 &dev->pci->dev, &dev->slock,
762 V4L2_BUF_TYPE_VBI_CAPTURE,
763 V4L2_FIELD_SEQ_TB,
764 sizeof(struct cx88_buffer),
765 fh, NULL);
766
767 if (vdev->vfl_type == VFL_TYPE_RADIO) {
768 dprintk(1,"video_open: setting radio device\n");
769 cx_write(MO_GP3_IO, core->board.radio.gpio3);
770 cx_write(MO_GP0_IO, core->board.radio.gpio0);
771 cx_write(MO_GP1_IO, core->board.radio.gpio1);
772 cx_write(MO_GP2_IO, core->board.radio.gpio2);
773 if (core->board.radio.audioroute) {
774 if(core->board.audio_chip &&
775 core->board.audio_chip == V4L2_IDENT_WM8775) {
776 call_all(core, audio, s_routing,
777 core->board.radio.audioroute, 0, 0);
778 }
779 /* "I2S ADC mode" */
780 core->tvaudio = WW_I2SADC;
781 cx88_set_tvaudio(core);
782 } else {
783 /* FM Mode */
784 core->tvaudio = WW_FM;
785 cx88_set_tvaudio(core);
786 cx88_set_stereo(core,V4L2_TUNER_MODE_STEREO,1);
787 }
788 call_all(core, tuner, s_radio);
789 }
790
791 core->users++;
792 mutex_unlock(&core->lock);
793 v4l2_fh_add(&fh->fh);
794
795 return 0;
796 }
797
798 static ssize_t
799 video_read(struct file *file, char __user *data, size_t count, loff_t *ppos)
800 {
801 struct video_device *vdev = video_devdata(file);
802 struct cx8800_fh *fh = file->private_data;
803
804 switch (vdev->vfl_type) {
805 case VFL_TYPE_GRABBER:
806 if (res_locked(fh->dev,RESOURCE_VIDEO))
807 return -EBUSY;
808 return videobuf_read_one(&fh->vidq, data, count, ppos,
809 file->f_flags & O_NONBLOCK);
810 case VFL_TYPE_VBI:
811 if (!res_get(fh->dev,fh,RESOURCE_VBI))
812 return -EBUSY;
813 return videobuf_read_stream(&fh->vbiq, data, count, ppos, 1,
814 file->f_flags & O_NONBLOCK);
815 default:
816 BUG();
817 return 0;
818 }
819 }
820
821 static unsigned int
822 video_poll(struct file *file, struct poll_table_struct *wait)
823 {
824 struct video_device *vdev = video_devdata(file);
825 struct cx8800_fh *fh = file->private_data;
826 struct cx88_buffer *buf;
827 unsigned int rc = v4l2_ctrl_poll(file, wait);
828
829 if (vdev->vfl_type == VFL_TYPE_VBI) {
830 if (!res_get(fh->dev,fh,RESOURCE_VBI))
831 return rc | POLLERR;
832 return rc | videobuf_poll_stream(file, &fh->vbiq, wait);
833 }
834 mutex_lock(&fh->vidq.vb_lock);
835 if (res_check(fh,RESOURCE_VIDEO)) {
836 /* streaming capture */
837 if (list_empty(&fh->vidq.stream))
838 goto done;
839 buf = list_entry(fh->vidq.stream.next,struct cx88_buffer,vb.stream);
840 } else {
841 /* read() capture */
842 buf = (struct cx88_buffer*)fh->vidq.read_buf;
843 if (NULL == buf)
844 goto done;
845 }
846 poll_wait(file, &buf->vb.done, wait);
847 if (buf->vb.state == VIDEOBUF_DONE ||
848 buf->vb.state == VIDEOBUF_ERROR)
849 rc |= POLLIN|POLLRDNORM;
850 done:
851 mutex_unlock(&fh->vidq.vb_lock);
852 return rc;
853 }
854
855 static int video_release(struct file *file)
856 {
857 struct cx8800_fh *fh = file->private_data;
858 struct cx8800_dev *dev = fh->dev;
859
860 /* turn off overlay */
861 if (res_check(fh, RESOURCE_OVERLAY)) {
862 /* FIXME */
863 res_free(dev,fh,RESOURCE_OVERLAY);
864 }
865
866 /* stop video capture */
867 if (res_check(fh, RESOURCE_VIDEO)) {
868 videobuf_queue_cancel(&fh->vidq);
869 res_free(dev,fh,RESOURCE_VIDEO);
870 }
871 if (fh->vidq.read_buf) {
872 buffer_release(&fh->vidq,fh->vidq.read_buf);
873 kfree(fh->vidq.read_buf);
874 }
875
876 /* stop vbi capture */
877 if (res_check(fh, RESOURCE_VBI)) {
878 videobuf_stop(&fh->vbiq);
879 res_free(dev,fh,RESOURCE_VBI);
880 }
881
882 videobuf_mmap_free(&fh->vidq);
883 videobuf_mmap_free(&fh->vbiq);
884
885 mutex_lock(&dev->core->lock);
886 v4l2_fh_del(&fh->fh);
887 v4l2_fh_exit(&fh->fh);
888 file->private_data = NULL;
889 kfree(fh);
890
891 dev->core->users--;
892 if (!dev->core->users)
893 call_all(dev->core, core, s_power, 0);
894 mutex_unlock(&dev->core->lock);
895
896 return 0;
897 }
898
899 static int
900 video_mmap(struct file *file, struct vm_area_struct * vma)
901 {
902 return videobuf_mmap_mapper(get_queue(file), vma);
903 }
904
905 /* ------------------------------------------------------------------ */
906 /* VIDEO CTRL IOCTLS */
907
908 static int cx8800_s_vid_ctrl(struct v4l2_ctrl *ctrl)
909 {
910 struct cx88_core *core =
911 container_of(ctrl->handler, struct cx88_core, video_hdl);
912 const struct cx88_ctrl *cc = ctrl->priv;
913 u32 value, mask;
914
915 mask = cc->mask;
916 switch (ctrl->id) {
917 case V4L2_CID_SATURATION:
918 /* special v_sat handling */
919
920 value = ((ctrl->val - cc->off) << cc->shift) & cc->mask;
921
922 if (core->tvnorm & V4L2_STD_SECAM) {
923 /* For SECAM, both U and V sat should be equal */
924 value = value << 8 | value;
925 } else {
926 /* Keeps U Saturation proportional to V Sat */
927 value = (value * 0x5a) / 0x7f << 8 | value;
928 }
929 mask = 0xffff;
930 break;
931 case V4L2_CID_SHARPNESS:
932 /* 0b000, 0b100, 0b101, 0b110, or 0b111 */
933 value = (ctrl->val < 1 ? 0 : ((ctrl->val + 3) << 7));
934 /* needs to be set for both fields */
935 cx_andor(MO_FILTER_EVEN, mask, value);
936 break;
937 case V4L2_CID_CHROMA_AGC:
938 value = ((ctrl->val - cc->off) << cc->shift) & cc->mask;
939 break;
940 default:
941 value = ((ctrl->val - cc->off) << cc->shift) & cc->mask;
942 break;
943 }
944 dprintk(1, "set_control id=0x%X(%s) ctrl=0x%02x, reg=0x%02x val=0x%02x (mask 0x%02x)%s\n",
945 ctrl->id, ctrl->name, ctrl->val, cc->reg, value,
946 mask, cc->sreg ? " [shadowed]" : "");
947 if (cc->sreg)
948 cx_sandor(cc->sreg, cc->reg, mask, value);
949 else
950 cx_andor(cc->reg, mask, value);
951 return 0;
952 }
953
954 static int cx8800_s_aud_ctrl(struct v4l2_ctrl *ctrl)
955 {
956 struct cx88_core *core =
957 container_of(ctrl->handler, struct cx88_core, audio_hdl);
958 const struct cx88_ctrl *cc = ctrl->priv;
959 u32 value,mask;
960
961 /* Pass changes onto any WM8775 */
962 if (core->board.audio_chip == V4L2_IDENT_WM8775) {
963 switch (ctrl->id) {
964 case V4L2_CID_AUDIO_MUTE:
965 wm8775_s_ctrl(core, ctrl->id, ctrl->val);
966 break;
967 case V4L2_CID_AUDIO_VOLUME:
968 wm8775_s_ctrl(core, ctrl->id, (ctrl->val) ?
969 (0x90 + ctrl->val) << 8 : 0);
970 break;
971 case V4L2_CID_AUDIO_BALANCE:
972 wm8775_s_ctrl(core, ctrl->id, ctrl->val << 9);
973 break;
974 default:
975 break;
976 }
977 }
978
979 mask = cc->mask;
980 switch (ctrl->id) {
981 case V4L2_CID_AUDIO_BALANCE:
982 value = (ctrl->val < 0x40) ? (0x7f - ctrl->val) : (ctrl->val - 0x40);
983 break;
984 case V4L2_CID_AUDIO_VOLUME:
985 value = 0x3f - (ctrl->val & 0x3f);
986 break;
987 default:
988 value = ((ctrl->val - cc->off) << cc->shift) & cc->mask;
989 break;
990 }
991 dprintk(1,"set_control id=0x%X(%s) ctrl=0x%02x, reg=0x%02x val=0x%02x (mask 0x%02x)%s\n",
992 ctrl->id, ctrl->name, ctrl->val, cc->reg, value,
993 mask, cc->sreg ? " [shadowed]" : "");
994 if (cc->sreg)
995 cx_sandor(cc->sreg, cc->reg, mask, value);
996 else
997 cx_andor(cc->reg, mask, value);
998 return 0;
999 }
1000
1001 /* ------------------------------------------------------------------ */
1002 /* VIDEO IOCTLS */
1003
1004 static int vidioc_g_fmt_vid_cap(struct file *file, void *priv,
1005 struct v4l2_format *f)
1006 {
1007 struct cx8800_fh *fh = priv;
1008 struct cx8800_dev *dev = fh->dev;
1009
1010 f->fmt.pix.width = dev->width;
1011 f->fmt.pix.height = dev->height;
1012 f->fmt.pix.field = fh->vidq.field;
1013 f->fmt.pix.pixelformat = dev->fmt->fourcc;
1014 f->fmt.pix.bytesperline =
1015 (f->fmt.pix.width * dev->fmt->depth) >> 3;
1016 f->fmt.pix.sizeimage =
1017 f->fmt.pix.height * f->fmt.pix.bytesperline;
1018 f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M;
1019 return 0;
1020 }
1021
1022 static int vidioc_try_fmt_vid_cap(struct file *file, void *priv,
1023 struct v4l2_format *f)
1024 {
1025 struct cx88_core *core = ((struct cx8800_fh *)priv)->dev->core;
1026 const struct cx8800_fmt *fmt;
1027 enum v4l2_field field;
1028 unsigned int maxw, maxh;
1029
1030 fmt = format_by_fourcc(f->fmt.pix.pixelformat);
1031 if (NULL == fmt)
1032 return -EINVAL;
1033
1034 field = f->fmt.pix.field;
1035 maxw = norm_maxw(core->tvnorm);
1036 maxh = norm_maxh(core->tvnorm);
1037
1038 if (V4L2_FIELD_ANY == field) {
1039 field = (f->fmt.pix.height > maxh/2)
1040 ? V4L2_FIELD_INTERLACED
1041 : V4L2_FIELD_BOTTOM;
1042 }
1043
1044 switch (field) {
1045 case V4L2_FIELD_TOP:
1046 case V4L2_FIELD_BOTTOM:
1047 maxh = maxh / 2;
1048 break;
1049 case V4L2_FIELD_INTERLACED:
1050 break;
1051 default:
1052 return -EINVAL;
1053 }
1054
1055 f->fmt.pix.field = field;
1056 v4l_bound_align_image(&f->fmt.pix.width, 48, maxw, 2,
1057 &f->fmt.pix.height, 32, maxh, 0, 0);
1058 f->fmt.pix.bytesperline =
1059 (f->fmt.pix.width * fmt->depth) >> 3;
1060 f->fmt.pix.sizeimage =
1061 f->fmt.pix.height * f->fmt.pix.bytesperline;
1062
1063 return 0;
1064 }
1065
1066 static int vidioc_s_fmt_vid_cap(struct file *file, void *priv,
1067 struct v4l2_format *f)
1068 {
1069 struct cx8800_fh *fh = priv;
1070 struct cx8800_dev *dev = fh->dev;
1071 int err = vidioc_try_fmt_vid_cap (file,priv,f);
1072
1073 if (0 != err)
1074 return err;
1075 dev->fmt = format_by_fourcc(f->fmt.pix.pixelformat);
1076 dev->width = f->fmt.pix.width;
1077 dev->height = f->fmt.pix.height;
1078 fh->vidq.field = f->fmt.pix.field;
1079 return 0;
1080 }
1081
1082 void cx88_querycap(struct file *file, struct cx88_core *core,
1083 struct v4l2_capability *cap)
1084 {
1085 struct video_device *vdev = video_devdata(file);
1086
1087 strlcpy(cap->card, core->board.name, sizeof(cap->card));
1088 cap->device_caps = V4L2_CAP_READWRITE | V4L2_CAP_STREAMING;
1089 if (UNSET != core->board.tuner_type)
1090 cap->device_caps |= V4L2_CAP_TUNER;
1091 switch (vdev->vfl_type) {
1092 case VFL_TYPE_RADIO:
1093 cap->device_caps = V4L2_CAP_RADIO | V4L2_CAP_TUNER;
1094 break;
1095 case VFL_TYPE_GRABBER:
1096 cap->device_caps |= V4L2_CAP_VIDEO_CAPTURE;
1097 break;
1098 case VFL_TYPE_VBI:
1099 cap->device_caps |= V4L2_CAP_VBI_CAPTURE;
1100 break;
1101 }
1102 cap->capabilities = cap->device_caps | V4L2_CAP_VIDEO_CAPTURE |
1103 V4L2_CAP_VBI_CAPTURE | V4L2_CAP_DEVICE_CAPS;
1104 if (core->board.radio.type == CX88_RADIO)
1105 cap->capabilities |= V4L2_CAP_RADIO;
1106 }
1107 EXPORT_SYMBOL(cx88_querycap);
1108
1109 static int vidioc_querycap(struct file *file, void *priv,
1110 struct v4l2_capability *cap)
1111 {
1112 struct cx8800_dev *dev = ((struct cx8800_fh *)priv)->dev;
1113 struct cx88_core *core = dev->core;
1114
1115 strcpy(cap->driver, "cx8800");
1116 sprintf(cap->bus_info, "PCI:%s", pci_name(dev->pci));
1117 cx88_querycap(file, core, cap);
1118 return 0;
1119 }
1120
1121 static int vidioc_enum_fmt_vid_cap (struct file *file, void *priv,
1122 struct v4l2_fmtdesc *f)
1123 {
1124 if (unlikely(f->index >= ARRAY_SIZE(formats)))
1125 return -EINVAL;
1126
1127 strlcpy(f->description,formats[f->index].name,sizeof(f->description));
1128 f->pixelformat = formats[f->index].fourcc;
1129
1130 return 0;
1131 }
1132
1133 static int vidioc_reqbufs (struct file *file, void *priv, struct v4l2_requestbuffers *p)
1134 {
1135 return videobuf_reqbufs(get_queue(file), p);
1136 }
1137
1138 static int vidioc_querybuf (struct file *file, void *priv, struct v4l2_buffer *p)
1139 {
1140 return videobuf_querybuf(get_queue(file), p);
1141 }
1142
1143 static int vidioc_qbuf (struct file *file, void *priv, struct v4l2_buffer *p)
1144 {
1145 return videobuf_qbuf(get_queue(file), p);
1146 }
1147
1148 static int vidioc_dqbuf (struct file *file, void *priv, struct v4l2_buffer *p)
1149 {
1150 return videobuf_dqbuf(get_queue(file), p,
1151 file->f_flags & O_NONBLOCK);
1152 }
1153
1154 static int vidioc_streamon(struct file *file, void *priv, enum v4l2_buf_type i)
1155 {
1156 struct video_device *vdev = video_devdata(file);
1157 struct cx8800_fh *fh = priv;
1158 struct cx8800_dev *dev = fh->dev;
1159
1160 if ((vdev->vfl_type == VFL_TYPE_GRABBER && i != V4L2_BUF_TYPE_VIDEO_CAPTURE) ||
1161 (vdev->vfl_type == VFL_TYPE_VBI && i != V4L2_BUF_TYPE_VBI_CAPTURE))
1162 return -EINVAL;
1163
1164 if (unlikely(!res_get(dev, fh, get_resource(file))))
1165 return -EBUSY;
1166 return videobuf_streamon(get_queue(file));
1167 }
1168
1169 static int vidioc_streamoff(struct file *file, void *priv, enum v4l2_buf_type i)
1170 {
1171 struct video_device *vdev = video_devdata(file);
1172 struct cx8800_fh *fh = priv;
1173 struct cx8800_dev *dev = fh->dev;
1174 int err, res;
1175
1176 if ((vdev->vfl_type == VFL_TYPE_GRABBER && i != V4L2_BUF_TYPE_VIDEO_CAPTURE) ||
1177 (vdev->vfl_type == VFL_TYPE_VBI && i != V4L2_BUF_TYPE_VBI_CAPTURE))
1178 return -EINVAL;
1179
1180 res = get_resource(file);
1181 err = videobuf_streamoff(get_queue(file));
1182 if (err < 0)
1183 return err;
1184 res_free(dev,fh,res);
1185 return 0;
1186 }
1187
1188 static int vidioc_g_std(struct file *file, void *priv, v4l2_std_id *tvnorm)
1189 {
1190 struct cx88_core *core = ((struct cx8800_fh *)priv)->dev->core;
1191
1192 *tvnorm = core->tvnorm;
1193 return 0;
1194 }
1195
1196 static int vidioc_s_std (struct file *file, void *priv, v4l2_std_id *tvnorms)
1197 {
1198 struct cx88_core *core = ((struct cx8800_fh *)priv)->dev->core;
1199
1200 mutex_lock(&core->lock);
1201 cx88_set_tvnorm(core,*tvnorms);
1202 mutex_unlock(&core->lock);
1203
1204 return 0;
1205 }
1206
1207 /* only one input in this sample driver */
1208 int cx88_enum_input (struct cx88_core *core,struct v4l2_input *i)
1209 {
1210 static const char * const iname[] = {
1211 [ CX88_VMUX_COMPOSITE1 ] = "Composite1",
1212 [ CX88_VMUX_COMPOSITE2 ] = "Composite2",
1213 [ CX88_VMUX_COMPOSITE3 ] = "Composite3",
1214 [ CX88_VMUX_COMPOSITE4 ] = "Composite4",
1215 [ CX88_VMUX_SVIDEO ] = "S-Video",
1216 [ CX88_VMUX_TELEVISION ] = "Television",
1217 [ CX88_VMUX_CABLE ] = "Cable TV",
1218 [ CX88_VMUX_DVB ] = "DVB",
1219 [ CX88_VMUX_DEBUG ] = "for debug only",
1220 };
1221 unsigned int n = i->index;
1222
1223 if (n >= 4)
1224 return -EINVAL;
1225 if (0 == INPUT(n).type)
1226 return -EINVAL;
1227 i->type = V4L2_INPUT_TYPE_CAMERA;
1228 strcpy(i->name,iname[INPUT(n).type]);
1229 if ((CX88_VMUX_TELEVISION == INPUT(n).type) ||
1230 (CX88_VMUX_CABLE == INPUT(n).type)) {
1231 i->type = V4L2_INPUT_TYPE_TUNER;
1232 }
1233 i->std = CX88_NORMS;
1234 return 0;
1235 }
1236 EXPORT_SYMBOL(cx88_enum_input);
1237
1238 static int vidioc_enum_input (struct file *file, void *priv,
1239 struct v4l2_input *i)
1240 {
1241 struct cx88_core *core = ((struct cx8800_fh *)priv)->dev->core;
1242 return cx88_enum_input (core,i);
1243 }
1244
1245 static int vidioc_g_input (struct file *file, void *priv, unsigned int *i)
1246 {
1247 struct cx88_core *core = ((struct cx8800_fh *)priv)->dev->core;
1248
1249 *i = core->input;
1250 return 0;
1251 }
1252
1253 static int vidioc_s_input (struct file *file, void *priv, unsigned int i)
1254 {
1255 struct cx88_core *core = ((struct cx8800_fh *)priv)->dev->core;
1256
1257 if (i >= 4)
1258 return -EINVAL;
1259 if (0 == INPUT(i).type)
1260 return -EINVAL;
1261
1262 mutex_lock(&core->lock);
1263 cx88_newstation(core);
1264 cx88_video_mux(core,i);
1265 mutex_unlock(&core->lock);
1266 return 0;
1267 }
1268
1269 static int vidioc_g_tuner (struct file *file, void *priv,
1270 struct v4l2_tuner *t)
1271 {
1272 struct cx88_core *core = ((struct cx8800_fh *)priv)->dev->core;
1273 u32 reg;
1274
1275 if (unlikely(UNSET == core->board.tuner_type))
1276 return -EINVAL;
1277 if (0 != t->index)
1278 return -EINVAL;
1279
1280 strcpy(t->name, "Television");
1281 t->capability = V4L2_TUNER_CAP_NORM;
1282 t->rangehigh = 0xffffffffUL;
1283 call_all(core, tuner, g_tuner, t);
1284
1285 cx88_get_stereo(core ,t);
1286 reg = cx_read(MO_DEVICE_STATUS);
1287 t->signal = (reg & (1<<5)) ? 0xffff : 0x0000;
1288 return 0;
1289 }
1290
1291 static int vidioc_s_tuner (struct file *file, void *priv,
1292 struct v4l2_tuner *t)
1293 {
1294 struct cx88_core *core = ((struct cx8800_fh *)priv)->dev->core;
1295
1296 if (UNSET == core->board.tuner_type)
1297 return -EINVAL;
1298 if (0 != t->index)
1299 return -EINVAL;
1300
1301 cx88_set_stereo(core, t->audmode, 1);
1302 return 0;
1303 }
1304
1305 static int vidioc_g_frequency (struct file *file, void *priv,
1306 struct v4l2_frequency *f)
1307 {
1308 struct cx8800_fh *fh = priv;
1309 struct cx88_core *core = fh->dev->core;
1310
1311 if (unlikely(UNSET == core->board.tuner_type))
1312 return -EINVAL;
1313 if (f->tuner)
1314 return -EINVAL;
1315
1316 f->frequency = core->freq;
1317
1318 call_all(core, tuner, g_frequency, f);
1319
1320 return 0;
1321 }
1322
1323 int cx88_set_freq (struct cx88_core *core,
1324 const struct v4l2_frequency *f)
1325 {
1326 struct v4l2_frequency new_freq = *f;
1327
1328 if (unlikely(UNSET == core->board.tuner_type))
1329 return -EINVAL;
1330 if (unlikely(f->tuner != 0))
1331 return -EINVAL;
1332
1333 mutex_lock(&core->lock);
1334 cx88_newstation(core);
1335 call_all(core, tuner, s_frequency, f);
1336 call_all(core, tuner, g_frequency, &new_freq);
1337 core->freq = new_freq.frequency;
1338
1339 /* When changing channels it is required to reset TVAUDIO */
1340 msleep (10);
1341 cx88_set_tvaudio(core);
1342
1343 mutex_unlock(&core->lock);
1344
1345 return 0;
1346 }
1347 EXPORT_SYMBOL(cx88_set_freq);
1348
1349 static int vidioc_s_frequency (struct file *file, void *priv,
1350 const struct v4l2_frequency *f)
1351 {
1352 struct cx8800_fh *fh = priv;
1353 struct cx88_core *core = fh->dev->core;
1354
1355 return cx88_set_freq(core, f);
1356 }
1357
1358 static int vidioc_g_chip_ident(struct file *file, void *priv,
1359 struct v4l2_dbg_chip_ident *chip)
1360 {
1361 if (!v4l2_chip_match_host(&chip->match))
1362 return -EINVAL;
1363 chip->revision = 0;
1364 chip->ident = V4L2_IDENT_UNKNOWN;
1365 return 0;
1366 }
1367
1368 #ifdef CONFIG_VIDEO_ADV_DEBUG
1369 static int vidioc_g_register (struct file *file, void *fh,
1370 struct v4l2_dbg_register *reg)
1371 {
1372 struct cx88_core *core = ((struct cx8800_fh*)fh)->dev->core;
1373
1374 if (!v4l2_chip_match_host(&reg->match))
1375 return -EINVAL;
1376 /* cx2388x has a 24-bit register space */
1377 reg->val = cx_read(reg->reg & 0xffffff);
1378 reg->size = 4;
1379 return 0;
1380 }
1381
1382 static int vidioc_s_register (struct file *file, void *fh,
1383 struct v4l2_dbg_register *reg)
1384 {
1385 struct cx88_core *core = ((struct cx8800_fh*)fh)->dev->core;
1386
1387 if (!v4l2_chip_match_host(&reg->match))
1388 return -EINVAL;
1389 cx_write(reg->reg & 0xffffff, reg->val);
1390 return 0;
1391 }
1392 #endif
1393
1394 /* ----------------------------------------------------------- */
1395 /* RADIO ESPECIFIC IOCTLS */
1396 /* ----------------------------------------------------------- */
1397
1398 static int radio_g_tuner (struct file *file, void *priv,
1399 struct v4l2_tuner *t)
1400 {
1401 struct cx88_core *core = ((struct cx8800_fh *)priv)->dev->core;
1402
1403 if (unlikely(t->index > 0))
1404 return -EINVAL;
1405
1406 strcpy(t->name, "Radio");
1407
1408 call_all(core, tuner, g_tuner, t);
1409 return 0;
1410 }
1411
1412 /* FIXME: Should add a standard for radio */
1413
1414 static int radio_s_tuner (struct file *file, void *priv,
1415 struct v4l2_tuner *t)
1416 {
1417 struct cx88_core *core = ((struct cx8800_fh *)priv)->dev->core;
1418
1419 if (0 != t->index)
1420 return -EINVAL;
1421 if (t->audmode > V4L2_TUNER_MODE_STEREO)
1422 t->audmode = V4L2_TUNER_MODE_STEREO;
1423
1424 call_all(core, tuner, s_tuner, t);
1425
1426 return 0;
1427 }
1428
1429 /* ----------------------------------------------------------- */
1430
1431 static void cx8800_vid_timeout(unsigned long data)
1432 {
1433 struct cx8800_dev *dev = (struct cx8800_dev*)data;
1434 struct cx88_core *core = dev->core;
1435 struct cx88_dmaqueue *q = &dev->vidq;
1436 struct cx88_buffer *buf;
1437 unsigned long flags;
1438
1439 cx88_sram_channel_dump(core, &cx88_sram_channels[SRAM_CH21]);
1440
1441 cx_clear(MO_VID_DMACNTRL, 0x11);
1442 cx_clear(VID_CAPTURE_CONTROL, 0x06);
1443
1444 spin_lock_irqsave(&dev->slock,flags);
1445 while (!list_empty(&q->active)) {
1446 buf = list_entry(q->active.next, struct cx88_buffer, vb.queue);
1447 list_del(&buf->vb.queue);
1448 buf->vb.state = VIDEOBUF_ERROR;
1449 wake_up(&buf->vb.done);
1450 printk("%s/0: [%p/%d] timeout - dma=0x%08lx\n", core->name,
1451 buf, buf->vb.i, (unsigned long)buf->risc.dma);
1452 }
1453 restart_video_queue(dev,q);
1454 spin_unlock_irqrestore(&dev->slock,flags);
1455 }
1456
1457 static const char *cx88_vid_irqs[32] = {
1458 "y_risci1", "u_risci1", "v_risci1", "vbi_risc1",
1459 "y_risci2", "u_risci2", "v_risci2", "vbi_risc2",
1460 "y_oflow", "u_oflow", "v_oflow", "vbi_oflow",
1461 "y_sync", "u_sync", "v_sync", "vbi_sync",
1462 "opc_err", "par_err", "rip_err", "pci_abort",
1463 };
1464
1465 static void cx8800_vid_irq(struct cx8800_dev *dev)
1466 {
1467 struct cx88_core *core = dev->core;
1468 u32 status, mask, count;
1469
1470 status = cx_read(MO_VID_INTSTAT);
1471 mask = cx_read(MO_VID_INTMSK);
1472 if (0 == (status & mask))
1473 return;
1474 cx_write(MO_VID_INTSTAT, status);
1475 if (irq_debug || (status & mask & ~0xff))
1476 cx88_print_irqbits(core->name, "irq vid",
1477 cx88_vid_irqs, ARRAY_SIZE(cx88_vid_irqs),
1478 status, mask);
1479
1480 /* risc op code error */
1481 if (status & (1 << 16)) {
1482 printk(KERN_WARNING "%s/0: video risc op code error\n",core->name);
1483 cx_clear(MO_VID_DMACNTRL, 0x11);
1484 cx_clear(VID_CAPTURE_CONTROL, 0x06);
1485 cx88_sram_channel_dump(core, &cx88_sram_channels[SRAM_CH21]);
1486 }
1487
1488 /* risc1 y */
1489 if (status & 0x01) {
1490 spin_lock(&dev->slock);
1491 count = cx_read(MO_VIDY_GPCNT);
1492 cx88_wakeup(core, &dev->vidq, count);
1493 spin_unlock(&dev->slock);
1494 }
1495
1496 /* risc1 vbi */
1497 if (status & 0x08) {
1498 spin_lock(&dev->slock);
1499 count = cx_read(MO_VBI_GPCNT);
1500 cx88_wakeup(core, &dev->vbiq, count);
1501 spin_unlock(&dev->slock);
1502 }
1503
1504 /* risc2 y */
1505 if (status & 0x10) {
1506 dprintk(2,"stopper video\n");
1507 spin_lock(&dev->slock);
1508 restart_video_queue(dev,&dev->vidq);
1509 spin_unlock(&dev->slock);
1510 }
1511
1512 /* risc2 vbi */
1513 if (status & 0x80) {
1514 dprintk(2,"stopper vbi\n");
1515 spin_lock(&dev->slock);
1516 cx8800_restart_vbi_queue(dev,&dev->vbiq);
1517 spin_unlock(&dev->slock);
1518 }
1519 }
1520
1521 static irqreturn_t cx8800_irq(int irq, void *dev_id)
1522 {
1523 struct cx8800_dev *dev = dev_id;
1524 struct cx88_core *core = dev->core;
1525 u32 status;
1526 int loop, handled = 0;
1527
1528 for (loop = 0; loop < 10; loop++) {
1529 status = cx_read(MO_PCI_INTSTAT) &
1530 (core->pci_irqmask | PCI_INT_VIDINT);
1531 if (0 == status)
1532 goto out;
1533 cx_write(MO_PCI_INTSTAT, status);
1534 handled = 1;
1535
1536 if (status & core->pci_irqmask)
1537 cx88_core_irq(core,status);
1538 if (status & PCI_INT_VIDINT)
1539 cx8800_vid_irq(dev);
1540 }
1541 if (10 == loop) {
1542 printk(KERN_WARNING "%s/0: irq loop -- clearing mask\n",
1543 core->name);
1544 cx_write(MO_PCI_INTMSK,0);
1545 }
1546
1547 out:
1548 return IRQ_RETVAL(handled);
1549 }
1550
1551 /* ----------------------------------------------------------- */
1552 /* exported stuff */
1553
1554 static const struct v4l2_file_operations video_fops =
1555 {
1556 .owner = THIS_MODULE,
1557 .open = video_open,
1558 .release = video_release,
1559 .read = video_read,
1560 .poll = video_poll,
1561 .mmap = video_mmap,
1562 .unlocked_ioctl = video_ioctl2,
1563 };
1564
1565 static const struct v4l2_ioctl_ops video_ioctl_ops = {
1566 .vidioc_querycap = vidioc_querycap,
1567 .vidioc_enum_fmt_vid_cap = vidioc_enum_fmt_vid_cap,
1568 .vidioc_g_fmt_vid_cap = vidioc_g_fmt_vid_cap,
1569 .vidioc_try_fmt_vid_cap = vidioc_try_fmt_vid_cap,
1570 .vidioc_s_fmt_vid_cap = vidioc_s_fmt_vid_cap,
1571 .vidioc_reqbufs = vidioc_reqbufs,
1572 .vidioc_querybuf = vidioc_querybuf,
1573 .vidioc_qbuf = vidioc_qbuf,
1574 .vidioc_dqbuf = vidioc_dqbuf,
1575 .vidioc_g_std = vidioc_g_std,
1576 .vidioc_s_std = vidioc_s_std,
1577 .vidioc_enum_input = vidioc_enum_input,
1578 .vidioc_g_input = vidioc_g_input,
1579 .vidioc_s_input = vidioc_s_input,
1580 .vidioc_streamon = vidioc_streamon,
1581 .vidioc_streamoff = vidioc_streamoff,
1582 .vidioc_g_tuner = vidioc_g_tuner,
1583 .vidioc_s_tuner = vidioc_s_tuner,
1584 .vidioc_g_frequency = vidioc_g_frequency,
1585 .vidioc_s_frequency = vidioc_s_frequency,
1586 .vidioc_subscribe_event = v4l2_ctrl_subscribe_event,
1587 .vidioc_unsubscribe_event = v4l2_event_unsubscribe,
1588 .vidioc_g_chip_ident = vidioc_g_chip_ident,
1589 #ifdef CONFIG_VIDEO_ADV_DEBUG
1590 .vidioc_g_register = vidioc_g_register,
1591 .vidioc_s_register = vidioc_s_register,
1592 #endif
1593 };
1594
1595 static const struct video_device cx8800_video_template = {
1596 .name = "cx8800-video",
1597 .fops = &video_fops,
1598 .ioctl_ops = &video_ioctl_ops,
1599 .tvnorms = CX88_NORMS,
1600 };
1601
1602 static const struct v4l2_ioctl_ops vbi_ioctl_ops = {
1603 .vidioc_querycap = vidioc_querycap,
1604 .vidioc_g_fmt_vbi_cap = cx8800_vbi_fmt,
1605 .vidioc_try_fmt_vbi_cap = cx8800_vbi_fmt,
1606 .vidioc_s_fmt_vbi_cap = cx8800_vbi_fmt,
1607 .vidioc_reqbufs = vidioc_reqbufs,
1608 .vidioc_querybuf = vidioc_querybuf,
1609 .vidioc_qbuf = vidioc_qbuf,
1610 .vidioc_dqbuf = vidioc_dqbuf,
1611 .vidioc_g_std = vidioc_g_std,
1612 .vidioc_s_std = vidioc_s_std,
1613 .vidioc_enum_input = vidioc_enum_input,
1614 .vidioc_g_input = vidioc_g_input,
1615 .vidioc_s_input = vidioc_s_input,
1616 .vidioc_streamon = vidioc_streamon,
1617 .vidioc_streamoff = vidioc_streamoff,
1618 .vidioc_g_tuner = vidioc_g_tuner,
1619 .vidioc_s_tuner = vidioc_s_tuner,
1620 .vidioc_g_frequency = vidioc_g_frequency,
1621 .vidioc_s_frequency = vidioc_s_frequency,
1622 .vidioc_g_chip_ident = vidioc_g_chip_ident,
1623 #ifdef CONFIG_VIDEO_ADV_DEBUG
1624 .vidioc_g_register = vidioc_g_register,
1625 .vidioc_s_register = vidioc_s_register,
1626 #endif
1627 };
1628
1629 static const struct video_device cx8800_vbi_template = {
1630 .name = "cx8800-vbi",
1631 .fops = &video_fops,
1632 .ioctl_ops = &vbi_ioctl_ops,
1633 .tvnorms = CX88_NORMS,
1634 };
1635
1636 static const struct v4l2_file_operations radio_fops =
1637 {
1638 .owner = THIS_MODULE,
1639 .open = video_open,
1640 .poll = v4l2_ctrl_poll,
1641 .release = video_release,
1642 .unlocked_ioctl = video_ioctl2,
1643 };
1644
1645 static const struct v4l2_ioctl_ops radio_ioctl_ops = {
1646 .vidioc_querycap = vidioc_querycap,
1647 .vidioc_g_tuner = radio_g_tuner,
1648 .vidioc_s_tuner = radio_s_tuner,
1649 .vidioc_g_frequency = vidioc_g_frequency,
1650 .vidioc_s_frequency = vidioc_s_frequency,
1651 .vidioc_subscribe_event = v4l2_ctrl_subscribe_event,
1652 .vidioc_unsubscribe_event = v4l2_event_unsubscribe,
1653 .vidioc_g_chip_ident = vidioc_g_chip_ident,
1654 #ifdef CONFIG_VIDEO_ADV_DEBUG
1655 .vidioc_g_register = vidioc_g_register,
1656 .vidioc_s_register = vidioc_s_register,
1657 #endif
1658 };
1659
1660 static const struct video_device cx8800_radio_template = {
1661 .name = "cx8800-radio",
1662 .fops = &radio_fops,
1663 .ioctl_ops = &radio_ioctl_ops,
1664 };
1665
1666 static const struct v4l2_ctrl_ops cx8800_ctrl_vid_ops = {
1667 .s_ctrl = cx8800_s_vid_ctrl,
1668 };
1669
1670 static const struct v4l2_ctrl_ops cx8800_ctrl_aud_ops = {
1671 .s_ctrl = cx8800_s_aud_ctrl,
1672 };
1673
1674 /* ----------------------------------------------------------- */
1675
1676 static void cx8800_unregister_video(struct cx8800_dev *dev)
1677 {
1678 if (dev->radio_dev) {
1679 if (video_is_registered(dev->radio_dev))
1680 video_unregister_device(dev->radio_dev);
1681 else
1682 video_device_release(dev->radio_dev);
1683 dev->radio_dev = NULL;
1684 }
1685 if (dev->vbi_dev) {
1686 if (video_is_registered(dev->vbi_dev))
1687 video_unregister_device(dev->vbi_dev);
1688 else
1689 video_device_release(dev->vbi_dev);
1690 dev->vbi_dev = NULL;
1691 }
1692 if (dev->video_dev) {
1693 if (video_is_registered(dev->video_dev))
1694 video_unregister_device(dev->video_dev);
1695 else
1696 video_device_release(dev->video_dev);
1697 dev->video_dev = NULL;
1698 }
1699 }
1700
1701 static int cx8800_initdev(struct pci_dev *pci_dev,
1702 const struct pci_device_id *pci_id)
1703 {
1704 struct cx8800_dev *dev;
1705 struct cx88_core *core;
1706 int err;
1707 int i;
1708
1709 dev = kzalloc(sizeof(*dev),GFP_KERNEL);
1710 if (NULL == dev)
1711 return -ENOMEM;
1712
1713 /* pci init */
1714 dev->pci = pci_dev;
1715 if (pci_enable_device(pci_dev)) {
1716 err = -EIO;
1717 goto fail_free;
1718 }
1719 core = cx88_core_get(dev->pci);
1720 if (NULL == core) {
1721 err = -EINVAL;
1722 goto fail_free;
1723 }
1724 dev->core = core;
1725
1726 /* print pci info */
1727 dev->pci_rev = pci_dev->revision;
1728 pci_read_config_byte(pci_dev, PCI_LATENCY_TIMER, &dev->pci_lat);
1729 printk(KERN_INFO "%s/0: found at %s, rev: %d, irq: %d, "
1730 "latency: %d, mmio: 0x%llx\n", core->name,
1731 pci_name(pci_dev), dev->pci_rev, pci_dev->irq,
1732 dev->pci_lat,(unsigned long long)pci_resource_start(pci_dev,0));
1733
1734 pci_set_master(pci_dev);
1735 if (!pci_dma_supported(pci_dev,DMA_BIT_MASK(32))) {
1736 printk("%s/0: Oops: no 32bit PCI DMA ???\n",core->name);
1737 err = -EIO;
1738 goto fail_core;
1739 }
1740
1741 /* initialize driver struct */
1742 spin_lock_init(&dev->slock);
1743 core->tvnorm = V4L2_STD_NTSC_M;
1744
1745 /* init video dma queues */
1746 INIT_LIST_HEAD(&dev->vidq.active);
1747 INIT_LIST_HEAD(&dev->vidq.queued);
1748 dev->vidq.timeout.function = cx8800_vid_timeout;
1749 dev->vidq.timeout.data = (unsigned long)dev;
1750 init_timer(&dev->vidq.timeout);
1751 cx88_risc_stopper(dev->pci,&dev->vidq.stopper,
1752 MO_VID_DMACNTRL,0x11,0x00);
1753
1754 /* init vbi dma queues */
1755 INIT_LIST_HEAD(&dev->vbiq.active);
1756 INIT_LIST_HEAD(&dev->vbiq.queued);
1757 dev->vbiq.timeout.function = cx8800_vbi_timeout;
1758 dev->vbiq.timeout.data = (unsigned long)dev;
1759 init_timer(&dev->vbiq.timeout);
1760 cx88_risc_stopper(dev->pci,&dev->vbiq.stopper,
1761 MO_VID_DMACNTRL,0x88,0x00);
1762
1763 /* get irq */
1764 err = request_irq(pci_dev->irq, cx8800_irq,
1765 IRQF_SHARED | IRQF_DISABLED, core->name, dev);
1766 if (err < 0) {
1767 printk(KERN_ERR "%s/0: can't get IRQ %d\n",
1768 core->name,pci_dev->irq);
1769 goto fail_core;
1770 }
1771 cx_set(MO_PCI_INTMSK, core->pci_irqmask);
1772
1773 for (i = 0; i < CX8800_AUD_CTLS; i++) {
1774 const struct cx88_ctrl *cc = &cx8800_aud_ctls[i];
1775 struct v4l2_ctrl *vc;
1776
1777 vc = v4l2_ctrl_new_std(&core->audio_hdl, &cx8800_ctrl_aud_ops,
1778 cc->id, cc->minimum, cc->maximum, cc->step, cc->default_value);
1779 if (vc == NULL) {
1780 err = core->audio_hdl.error;
1781 goto fail_core;
1782 }
1783 vc->priv = (void *)cc;
1784 }
1785
1786 for (i = 0; i < CX8800_VID_CTLS; i++) {
1787 const struct cx88_ctrl *cc = &cx8800_vid_ctls[i];
1788 struct v4l2_ctrl *vc;
1789
1790 vc = v4l2_ctrl_new_std(&core->video_hdl, &cx8800_ctrl_vid_ops,
1791 cc->id, cc->minimum, cc->maximum, cc->step, cc->default_value);
1792 if (vc == NULL) {
1793 err = core->video_hdl.error;
1794 goto fail_core;
1795 }
1796 vc->priv = (void *)cc;
1797 if (vc->id == V4L2_CID_CHROMA_AGC)
1798 core->chroma_agc = vc;
1799 }
1800 v4l2_ctrl_add_handler(&core->video_hdl, &core->audio_hdl, NULL);
1801
1802 /* load and configure helper modules */
1803
1804 if (core->board.audio_chip == V4L2_IDENT_WM8775) {
1805 struct i2c_board_info wm8775_info = {
1806 .type = "wm8775",
1807 .addr = 0x36 >> 1,
1808 .platform_data = &core->wm8775_data,
1809 };
1810 struct v4l2_subdev *sd;
1811
1812 if (core->boardnr == CX88_BOARD_HAUPPAUGE_NOVASPLUS_S1)
1813 core->wm8775_data.is_nova_s = true;
1814 else
1815 core->wm8775_data.is_nova_s = false;
1816
1817 sd = v4l2_i2c_new_subdev_board(&core->v4l2_dev, &core->i2c_adap,
1818 &wm8775_info, NULL);
1819 if (sd != NULL) {
1820 core->sd_wm8775 = sd;
1821 sd->grp_id = WM8775_GID;
1822 }
1823 }
1824
1825 if (core->board.audio_chip == V4L2_IDENT_TVAUDIO) {
1826 /* This probes for a tda9874 as is used on some
1827 Pixelview Ultra boards. */
1828 v4l2_i2c_new_subdev(&core->v4l2_dev, &core->i2c_adap,
1829 "tvaudio", 0, I2C_ADDRS(0xb0 >> 1));
1830 }
1831
1832 switch (core->boardnr) {
1833 case CX88_BOARD_DVICO_FUSIONHDTV_5_GOLD:
1834 case CX88_BOARD_DVICO_FUSIONHDTV_7_GOLD: {
1835 static const struct i2c_board_info rtc_info = {
1836 I2C_BOARD_INFO("isl1208", 0x6f)
1837 };
1838
1839 request_module("rtc-isl1208");
1840 core->i2c_rtc = i2c_new_device(&core->i2c_adap, &rtc_info);
1841 }
1842 /* break intentionally omitted */
1843 case CX88_BOARD_DVICO_FUSIONHDTV_5_PCI_NANO:
1844 request_module("ir-kbd-i2c");
1845 }
1846
1847 /* Sets device info at pci_dev */
1848 pci_set_drvdata(pci_dev, dev);
1849
1850 dev->width = 320;
1851 dev->height = 240;
1852 dev->fmt = format_by_fourcc(V4L2_PIX_FMT_BGR24);
1853
1854 /* initial device configuration */
1855 mutex_lock(&core->lock);
1856 cx88_set_tvnorm(core, core->tvnorm);
1857 v4l2_ctrl_handler_setup(&core->video_hdl);
1858 v4l2_ctrl_handler_setup(&core->audio_hdl);
1859 cx88_video_mux(core, 0);
1860
1861 /* register v4l devices */
1862 dev->video_dev = cx88_vdev_init(core,dev->pci,
1863 &cx8800_video_template,"video");
1864 video_set_drvdata(dev->video_dev, dev);
1865 dev->video_dev->ctrl_handler = &core->video_hdl;
1866 err = video_register_device(dev->video_dev,VFL_TYPE_GRABBER,
1867 video_nr[core->nr]);
1868 if (err < 0) {
1869 printk(KERN_ERR "%s/0: can't register video device\n",
1870 core->name);
1871 goto fail_unreg;
1872 }
1873 printk(KERN_INFO "%s/0: registered device %s [v4l2]\n",
1874 core->name, video_device_node_name(dev->video_dev));
1875
1876 dev->vbi_dev = cx88_vdev_init(core,dev->pci,&cx8800_vbi_template,"vbi");
1877 video_set_drvdata(dev->vbi_dev, dev);
1878 err = video_register_device(dev->vbi_dev,VFL_TYPE_VBI,
1879 vbi_nr[core->nr]);
1880 if (err < 0) {
1881 printk(KERN_ERR "%s/0: can't register vbi device\n",
1882 core->name);
1883 goto fail_unreg;
1884 }
1885 printk(KERN_INFO "%s/0: registered device %s\n",
1886 core->name, video_device_node_name(dev->vbi_dev));
1887
1888 if (core->board.radio.type == CX88_RADIO) {
1889 dev->radio_dev = cx88_vdev_init(core,dev->pci,
1890 &cx8800_radio_template,"radio");
1891 video_set_drvdata(dev->radio_dev, dev);
1892 dev->radio_dev->ctrl_handler = &core->audio_hdl;
1893 err = video_register_device(dev->radio_dev,VFL_TYPE_RADIO,
1894 radio_nr[core->nr]);
1895 if (err < 0) {
1896 printk(KERN_ERR "%s/0: can't register radio device\n",
1897 core->name);
1898 goto fail_unreg;
1899 }
1900 printk(KERN_INFO "%s/0: registered device %s\n",
1901 core->name, video_device_node_name(dev->radio_dev));
1902 }
1903
1904 /* start tvaudio thread */
1905 if (core->board.tuner_type != TUNER_ABSENT) {
1906 core->kthread = kthread_run(cx88_audio_thread, core, "cx88 tvaudio");
1907 if (IS_ERR(core->kthread)) {
1908 err = PTR_ERR(core->kthread);
1909 printk(KERN_ERR "%s/0: failed to create cx88 audio thread, err=%d\n",
1910 core->name, err);
1911 }
1912 }
1913 mutex_unlock(&core->lock);
1914
1915 return 0;
1916
1917 fail_unreg:
1918 cx8800_unregister_video(dev);
1919 free_irq(pci_dev->irq, dev);
1920 mutex_unlock(&core->lock);
1921 fail_core:
1922 cx88_core_put(core,dev->pci);
1923 fail_free:
1924 kfree(dev);
1925 return err;
1926 }
1927
1928 static void cx8800_finidev(struct pci_dev *pci_dev)
1929 {
1930 struct cx8800_dev *dev = pci_get_drvdata(pci_dev);
1931 struct cx88_core *core = dev->core;
1932
1933 /* stop thread */
1934 if (core->kthread) {
1935 kthread_stop(core->kthread);
1936 core->kthread = NULL;
1937 }
1938
1939 if (core->ir)
1940 cx88_ir_stop(core);
1941
1942 cx88_shutdown(core); /* FIXME */
1943 pci_disable_device(pci_dev);
1944
1945 /* unregister stuff */
1946
1947 free_irq(pci_dev->irq, dev);
1948 cx8800_unregister_video(dev);
1949 pci_set_drvdata(pci_dev, NULL);
1950
1951 /* free memory */
1952 btcx_riscmem_free(dev->pci,&dev->vidq.stopper);
1953 cx88_core_put(core,dev->pci);
1954 kfree(dev);
1955 }
1956
1957 #ifdef CONFIG_PM
1958 static int cx8800_suspend(struct pci_dev *pci_dev, pm_message_t state)
1959 {
1960 struct cx8800_dev *dev = pci_get_drvdata(pci_dev);
1961 struct cx88_core *core = dev->core;
1962
1963 /* stop video+vbi capture */
1964 spin_lock(&dev->slock);
1965 if (!list_empty(&dev->vidq.active)) {
1966 printk("%s/0: suspend video\n", core->name);
1967 stop_video_dma(dev);
1968 del_timer(&dev->vidq.timeout);
1969 }
1970 if (!list_empty(&dev->vbiq.active)) {
1971 printk("%s/0: suspend vbi\n", core->name);
1972 cx8800_stop_vbi_dma(dev);
1973 del_timer(&dev->vbiq.timeout);
1974 }
1975 spin_unlock(&dev->slock);
1976
1977 if (core->ir)
1978 cx88_ir_stop(core);
1979 /* FIXME -- shutdown device */
1980 cx88_shutdown(core);
1981
1982 pci_save_state(pci_dev);
1983 if (0 != pci_set_power_state(pci_dev, pci_choose_state(pci_dev, state))) {
1984 pci_disable_device(pci_dev);
1985 dev->state.disabled = 1;
1986 }
1987 return 0;
1988 }
1989
1990 static int cx8800_resume(struct pci_dev *pci_dev)
1991 {
1992 struct cx8800_dev *dev = pci_get_drvdata(pci_dev);
1993 struct cx88_core *core = dev->core;
1994 int err;
1995
1996 if (dev->state.disabled) {
1997 err=pci_enable_device(pci_dev);
1998 if (err) {
1999 printk(KERN_ERR "%s/0: can't enable device\n",
2000 core->name);
2001 return err;
2002 }
2003
2004 dev->state.disabled = 0;
2005 }
2006 err= pci_set_power_state(pci_dev, PCI_D0);
2007 if (err) {
2008 printk(KERN_ERR "%s/0: can't set power state\n", core->name);
2009 pci_disable_device(pci_dev);
2010 dev->state.disabled = 1;
2011
2012 return err;
2013 }
2014 pci_restore_state(pci_dev);
2015
2016 /* FIXME: re-initialize hardware */
2017 cx88_reset(core);
2018 if (core->ir)
2019 cx88_ir_start(core);
2020
2021 cx_set(MO_PCI_INTMSK, core->pci_irqmask);
2022
2023 /* restart video+vbi capture */
2024 spin_lock(&dev->slock);
2025 if (!list_empty(&dev->vidq.active)) {
2026 printk("%s/0: resume video\n", core->name);
2027 restart_video_queue(dev,&dev->vidq);
2028 }
2029 if (!list_empty(&dev->vbiq.active)) {
2030 printk("%s/0: resume vbi\n", core->name);
2031 cx8800_restart_vbi_queue(dev,&dev->vbiq);
2032 }
2033 spin_unlock(&dev->slock);
2034
2035 return 0;
2036 }
2037 #endif
2038
2039 /* ----------------------------------------------------------- */
2040
2041 static const struct pci_device_id cx8800_pci_tbl[] = {
2042 {
2043 .vendor = 0x14f1,
2044 .device = 0x8800,
2045 .subvendor = PCI_ANY_ID,
2046 .subdevice = PCI_ANY_ID,
2047 },{
2048 /* --- end of list --- */
2049 }
2050 };
2051 MODULE_DEVICE_TABLE(pci, cx8800_pci_tbl);
2052
2053 static struct pci_driver cx8800_pci_driver = {
2054 .name = "cx8800",
2055 .id_table = cx8800_pci_tbl,
2056 .probe = cx8800_initdev,
2057 .remove = cx8800_finidev,
2058 #ifdef CONFIG_PM
2059 .suspend = cx8800_suspend,
2060 .resume = cx8800_resume,
2061 #endif
2062 };
2063
2064 static int __init cx8800_init(void)
2065 {
2066 printk(KERN_INFO "cx88/0: cx2388x v4l2 driver version %s loaded\n",
2067 CX88_VERSION);
2068 return pci_register_driver(&cx8800_pci_driver);
2069 }
2070
2071 static void __exit cx8800_fini(void)
2072 {
2073 pci_unregister_driver(&cx8800_pci_driver);
2074 }
2075
2076 module_init(cx8800_init);
2077 module_exit(cx8800_fini);
Linux kernel - Deliverables
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