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x86, suspend: Avoid unnecessary smp alternatives switch during suspend/resume
[GitHub/mt8127/android_kernel_alcatel_ttab.git] / drivers / media / video / cx88 / cx88-video.c
1 /*
2 *
3 * device driver for Conexant 2388x based TV cards
4 * video4linux video interface
5 *
6 * (c) 2003-04 Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]
7 *
8 * (c) 2005-2006 Mauro Carvalho Chehab <mchehab@infradead.org>
9 * - Multituner support
10 * - video_ioctl2 conversion
11 * - PAL/M fixes
12 *
13 * This program is free software; you can redistribute it and/or modify
14 * it under the terms of the GNU General Public License as published by
15 * the Free Software Foundation; either version 2 of the License, or
16 * (at your option) any later version.
17 *
18 * This program is distributed in the hope that it will be useful,
19 * but WITHOUT ANY WARRANTY; without even the implied warranty of
20 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
21 * GNU General Public License for more details.
22 *
23 * You should have received a copy of the GNU General Public License
24 * along with this program; if not, write to the Free Software
25 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
26 */
27
28 #include <linux/init.h>
29 #include <linux/list.h>
30 #include <linux/module.h>
31 #include <linux/kmod.h>
32 #include <linux/kernel.h>
33 #include <linux/slab.h>
34 #include <linux/interrupt.h>
35 #include <linux/dma-mapping.h>
36 #include <linux/delay.h>
37 #include <linux/kthread.h>
38 #include <asm/div64.h>
39
40 #include "cx88.h"
41 #include <media/v4l2-common.h>
42 #include <media/v4l2-ioctl.h>
43 #include <media/wm8775.h>
44
45 MODULE_DESCRIPTION("v4l2 driver module for cx2388x based TV cards");
46 MODULE_AUTHOR("Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]");
47 MODULE_LICENSE("GPL");
48
49 /* ------------------------------------------------------------------ */
50
51 static unsigned int video_nr[] = {[0 ... (CX88_MAXBOARDS - 1)] = UNSET };
52 static unsigned int vbi_nr[] = {[0 ... (CX88_MAXBOARDS - 1)] = UNSET };
53 static unsigned int radio_nr[] = {[0 ... (CX88_MAXBOARDS - 1)] = UNSET };
54
55 module_param_array(video_nr, int, NULL, 0444);
56 module_param_array(vbi_nr, int, NULL, 0444);
57 module_param_array(radio_nr, int, NULL, 0444);
58
59 MODULE_PARM_DESC(video_nr,"video device numbers");
60 MODULE_PARM_DESC(vbi_nr,"vbi device numbers");
61 MODULE_PARM_DESC(radio_nr,"radio device numbers");
62
63 static unsigned int video_debug;
64 module_param(video_debug,int,0644);
65 MODULE_PARM_DESC(video_debug,"enable debug messages [video]");
66
67 static unsigned int irq_debug;
68 module_param(irq_debug,int,0644);
69 MODULE_PARM_DESC(irq_debug,"enable debug messages [IRQ handler]");
70
71 static unsigned int vid_limit = 16;
72 module_param(vid_limit,int,0644);
73 MODULE_PARM_DESC(vid_limit,"capture memory limit in megabytes");
74
75 #define dprintk(level,fmt, arg...) if (video_debug >= level) \
76 printk(KERN_DEBUG "%s/0: " fmt, core->name , ## arg)
77
78 /* ------------------------------------------------------------------- */
79 /* static data */
80
81 static const struct cx8800_fmt formats[] = {
82 {
83 .name = "8 bpp, gray",
84 .fourcc = V4L2_PIX_FMT_GREY,
85 .cxformat = ColorFormatY8,
86 .depth = 8,
87 .flags = FORMAT_FLAGS_PACKED,
88 },{
89 .name = "15 bpp RGB, le",
90 .fourcc = V4L2_PIX_FMT_RGB555,
91 .cxformat = ColorFormatRGB15,
92 .depth = 16,
93 .flags = FORMAT_FLAGS_PACKED,
94 },{
95 .name = "15 bpp RGB, be",
96 .fourcc = V4L2_PIX_FMT_RGB555X,
97 .cxformat = ColorFormatRGB15 | ColorFormatBSWAP,
98 .depth = 16,
99 .flags = FORMAT_FLAGS_PACKED,
100 },{
101 .name = "16 bpp RGB, le",
102 .fourcc = V4L2_PIX_FMT_RGB565,
103 .cxformat = ColorFormatRGB16,
104 .depth = 16,
105 .flags = FORMAT_FLAGS_PACKED,
106 },{
107 .name = "16 bpp RGB, be",
108 .fourcc = V4L2_PIX_FMT_RGB565X,
109 .cxformat = ColorFormatRGB16 | ColorFormatBSWAP,
110 .depth = 16,
111 .flags = FORMAT_FLAGS_PACKED,
112 },{
113 .name = "24 bpp RGB, le",
114 .fourcc = V4L2_PIX_FMT_BGR24,
115 .cxformat = ColorFormatRGB24,
116 .depth = 24,
117 .flags = FORMAT_FLAGS_PACKED,
118 },{
119 .name = "32 bpp RGB, le",
120 .fourcc = V4L2_PIX_FMT_BGR32,
121 .cxformat = ColorFormatRGB32,
122 .depth = 32,
123 .flags = FORMAT_FLAGS_PACKED,
124 },{
125 .name = "32 bpp RGB, be",
126 .fourcc = V4L2_PIX_FMT_RGB32,
127 .cxformat = ColorFormatRGB32 | ColorFormatBSWAP | ColorFormatWSWAP,
128 .depth = 32,
129 .flags = FORMAT_FLAGS_PACKED,
130 },{
131 .name = "4:2:2, packed, YUYV",
132 .fourcc = V4L2_PIX_FMT_YUYV,
133 .cxformat = ColorFormatYUY2,
134 .depth = 16,
135 .flags = FORMAT_FLAGS_PACKED,
136 },{
137 .name = "4:2:2, packed, UYVY",
138 .fourcc = V4L2_PIX_FMT_UYVY,
139 .cxformat = ColorFormatYUY2 | ColorFormatBSWAP,
140 .depth = 16,
141 .flags = FORMAT_FLAGS_PACKED,
142 },
143 };
144
145 static const struct cx8800_fmt* format_by_fourcc(unsigned int fourcc)
146 {
147 unsigned int i;
148
149 for (i = 0; i < ARRAY_SIZE(formats); i++)
150 if (formats[i].fourcc == fourcc)
151 return formats+i;
152 return NULL;
153 }
154
155 /* ------------------------------------------------------------------- */
156
157 static const struct v4l2_queryctrl no_ctl = {
158 .name = "42",
159 .flags = V4L2_CTRL_FLAG_DISABLED,
160 };
161
162 static const struct cx88_ctrl cx8800_ctls[] = {
163 /* --- video --- */
164 {
165 .v = {
166 .id = V4L2_CID_BRIGHTNESS,
167 .name = "Brightness",
168 .minimum = 0x00,
169 .maximum = 0xff,
170 .step = 1,
171 .default_value = 0x7f,
172 .type = V4L2_CTRL_TYPE_INTEGER,
173 },
174 .off = 128,
175 .reg = MO_CONTR_BRIGHT,
176 .mask = 0x00ff,
177 .shift = 0,
178 },{
179 .v = {
180 .id = V4L2_CID_CONTRAST,
181 .name = "Contrast",
182 .minimum = 0,
183 .maximum = 0xff,
184 .step = 1,
185 .default_value = 0x3f,
186 .type = V4L2_CTRL_TYPE_INTEGER,
187 },
188 .off = 0,
189 .reg = MO_CONTR_BRIGHT,
190 .mask = 0xff00,
191 .shift = 8,
192 },{
193 .v = {
194 .id = V4L2_CID_HUE,
195 .name = "Hue",
196 .minimum = 0,
197 .maximum = 0xff,
198 .step = 1,
199 .default_value = 0x7f,
200 .type = V4L2_CTRL_TYPE_INTEGER,
201 },
202 .off = 128,
203 .reg = MO_HUE,
204 .mask = 0x00ff,
205 .shift = 0,
206 },{
207 /* strictly, this only describes only U saturation.
208 * V saturation is handled specially through code.
209 */
210 .v = {
211 .id = V4L2_CID_SATURATION,
212 .name = "Saturation",
213 .minimum = 0,
214 .maximum = 0xff,
215 .step = 1,
216 .default_value = 0x7f,
217 .type = V4L2_CTRL_TYPE_INTEGER,
218 },
219 .off = 0,
220 .reg = MO_UV_SATURATION,
221 .mask = 0x00ff,
222 .shift = 0,
223 },{
224 .v = {
225 .id = V4L2_CID_CHROMA_AGC,
226 .name = "Chroma AGC",
227 .minimum = 0,
228 .maximum = 1,
229 .default_value = 0x1,
230 .type = V4L2_CTRL_TYPE_BOOLEAN,
231 },
232 .reg = MO_INPUT_FORMAT,
233 .mask = 1 << 10,
234 .shift = 10,
235 }, {
236 .v = {
237 .id = V4L2_CID_COLOR_KILLER,
238 .name = "Color killer",
239 .minimum = 0,
240 .maximum = 1,
241 .default_value = 0x1,
242 .type = V4L2_CTRL_TYPE_BOOLEAN,
243 },
244 .reg = MO_INPUT_FORMAT,
245 .mask = 1 << 9,
246 .shift = 9,
247 }, {
248 /* --- audio --- */
249 .v = {
250 .id = V4L2_CID_AUDIO_MUTE,
251 .name = "Mute",
252 .minimum = 0,
253 .maximum = 1,
254 .default_value = 1,
255 .type = V4L2_CTRL_TYPE_BOOLEAN,
256 },
257 .reg = AUD_VOL_CTL,
258 .sreg = SHADOW_AUD_VOL_CTL,
259 .mask = (1 << 6),
260 .shift = 6,
261 },{
262 .v = {
263 .id = V4L2_CID_AUDIO_VOLUME,
264 .name = "Volume",
265 .minimum = 0,
266 .maximum = 0x3f,
267 .step = 1,
268 .default_value = 0x3f,
269 .type = V4L2_CTRL_TYPE_INTEGER,
270 },
271 .reg = AUD_VOL_CTL,
272 .sreg = SHADOW_AUD_VOL_CTL,
273 .mask = 0x3f,
274 .shift = 0,
275 },{
276 .v = {
277 .id = V4L2_CID_AUDIO_BALANCE,
278 .name = "Balance",
279 .minimum = 0,
280 .maximum = 0x7f,
281 .step = 1,
282 .default_value = 0x40,
283 .type = V4L2_CTRL_TYPE_INTEGER,
284 },
285 .reg = AUD_BAL_CTL,
286 .sreg = SHADOW_AUD_BAL_CTL,
287 .mask = 0x7f,
288 .shift = 0,
289 }
290 };
291 enum { CX8800_CTLS = ARRAY_SIZE(cx8800_ctls) };
292
293 /* Must be sorted from low to high control ID! */
294 const u32 cx88_user_ctrls[] = {
295 V4L2_CID_USER_CLASS,
296 V4L2_CID_BRIGHTNESS,
297 V4L2_CID_CONTRAST,
298 V4L2_CID_SATURATION,
299 V4L2_CID_HUE,
300 V4L2_CID_AUDIO_VOLUME,
301 V4L2_CID_AUDIO_BALANCE,
302 V4L2_CID_AUDIO_MUTE,
303 V4L2_CID_CHROMA_AGC,
304 V4L2_CID_COLOR_KILLER,
305 0
306 };
307 EXPORT_SYMBOL(cx88_user_ctrls);
308
309 static const u32 * const ctrl_classes[] = {
310 cx88_user_ctrls,
311 NULL
312 };
313
314 int cx8800_ctrl_query(struct cx88_core *core, struct v4l2_queryctrl *qctrl)
315 {
316 int i;
317
318 if (qctrl->id < V4L2_CID_BASE ||
319 qctrl->id >= V4L2_CID_LASTP1)
320 return -EINVAL;
321 for (i = 0; i < CX8800_CTLS; i++)
322 if (cx8800_ctls[i].v.id == qctrl->id)
323 break;
324 if (i == CX8800_CTLS) {
325 *qctrl = no_ctl;
326 return 0;
327 }
328 *qctrl = cx8800_ctls[i].v;
329 /* Report chroma AGC as inactive when SECAM is selected */
330 if (cx8800_ctls[i].v.id == V4L2_CID_CHROMA_AGC &&
331 core->tvnorm & V4L2_STD_SECAM)
332 qctrl->flags |= V4L2_CTRL_FLAG_INACTIVE;
333
334 return 0;
335 }
336 EXPORT_SYMBOL(cx8800_ctrl_query);
337
338 /* ------------------------------------------------------------------- */
339 /* resource management */
340
341 static int res_get(struct cx8800_dev *dev, struct cx8800_fh *fh, unsigned int bit)
342 {
343 struct cx88_core *core = dev->core;
344 if (fh->resources & bit)
345 /* have it already allocated */
346 return 1;
347
348 /* is it free? */
349 mutex_lock(&core->lock);
350 if (dev->resources & bit) {
351 /* no, someone else uses it */
352 mutex_unlock(&core->lock);
353 return 0;
354 }
355 /* it's free, grab it */
356 fh->resources |= bit;
357 dev->resources |= bit;
358 dprintk(1,"res: get %d\n",bit);
359 mutex_unlock(&core->lock);
360 return 1;
361 }
362
363 static
364 int res_check(struct cx8800_fh *fh, unsigned int bit)
365 {
366 return (fh->resources & bit);
367 }
368
369 static
370 int res_locked(struct cx8800_dev *dev, unsigned int bit)
371 {
372 return (dev->resources & bit);
373 }
374
375 static
376 void res_free(struct cx8800_dev *dev, struct cx8800_fh *fh, unsigned int bits)
377 {
378 struct cx88_core *core = dev->core;
379 BUG_ON((fh->resources & bits) != bits);
380
381 mutex_lock(&core->lock);
382 fh->resources &= ~bits;
383 dev->resources &= ~bits;
384 dprintk(1,"res: put %d\n",bits);
385 mutex_unlock(&core->lock);
386 }
387
388 /* ------------------------------------------------------------------ */
389
390 int cx88_video_mux(struct cx88_core *core, unsigned int input)
391 {
392 /* struct cx88_core *core = dev->core; */
393
394 dprintk(1,"video_mux: %d [vmux=%d,gpio=0x%x,0x%x,0x%x,0x%x]\n",
395 input, INPUT(input).vmux,
396 INPUT(input).gpio0,INPUT(input).gpio1,
397 INPUT(input).gpio2,INPUT(input).gpio3);
398 core->input = input;
399 cx_andor(MO_INPUT_FORMAT, 0x03 << 14, INPUT(input).vmux << 14);
400 cx_write(MO_GP3_IO, INPUT(input).gpio3);
401 cx_write(MO_GP0_IO, INPUT(input).gpio0);
402 cx_write(MO_GP1_IO, INPUT(input).gpio1);
403 cx_write(MO_GP2_IO, INPUT(input).gpio2);
404
405 switch (INPUT(input).type) {
406 case CX88_VMUX_SVIDEO:
407 cx_set(MO_AFECFG_IO, 0x00000001);
408 cx_set(MO_INPUT_FORMAT, 0x00010010);
409 cx_set(MO_FILTER_EVEN, 0x00002020);
410 cx_set(MO_FILTER_ODD, 0x00002020);
411 break;
412 default:
413 cx_clear(MO_AFECFG_IO, 0x00000001);
414 cx_clear(MO_INPUT_FORMAT, 0x00010010);
415 cx_clear(MO_FILTER_EVEN, 0x00002020);
416 cx_clear(MO_FILTER_ODD, 0x00002020);
417 break;
418 }
419
420 /* if there are audioroutes defined, we have an external
421 ADC to deal with audio */
422 if (INPUT(input).audioroute) {
423 /* The wm8775 module has the "2" route hardwired into
424 the initialization. Some boards may use different
425 routes for different inputs. HVR-1300 surely does */
426 if (core->board.audio_chip &&
427 core->board.audio_chip == V4L2_IDENT_WM8775) {
428 call_all(core, audio, s_routing,
429 INPUT(input).audioroute, 0, 0);
430 }
431 /* cx2388's C-ADC is connected to the tuner only.
432 When used with S-Video, that ADC is busy dealing with
433 chroma, so an external must be used for baseband audio */
434 if (INPUT(input).type != CX88_VMUX_TELEVISION &&
435 INPUT(input).type != CX88_VMUX_CABLE) {
436 /* "I2S ADC mode" */
437 core->tvaudio = WW_I2SADC;
438 cx88_set_tvaudio(core);
439 } else {
440 /* Normal mode */
441 cx_write(AUD_I2SCNTL, 0x0);
442 cx_clear(AUD_CTL, EN_I2SIN_ENABLE);
443 }
444 }
445
446 return 0;
447 }
448 EXPORT_SYMBOL(cx88_video_mux);
449
450 /* ------------------------------------------------------------------ */
451
452 static int start_video_dma(struct cx8800_dev *dev,
453 struct cx88_dmaqueue *q,
454 struct cx88_buffer *buf)
455 {
456 struct cx88_core *core = dev->core;
457
458 /* setup fifo + format */
459 cx88_sram_channel_setup(core, &cx88_sram_channels[SRAM_CH21],
460 buf->bpl, buf->risc.dma);
461 cx88_set_scale(core, buf->vb.width, buf->vb.height, buf->vb.field);
462 cx_write(MO_COLOR_CTRL, buf->fmt->cxformat | ColorFormatGamma);
463
464 /* reset counter */
465 cx_write(MO_VIDY_GPCNTRL,GP_COUNT_CONTROL_RESET);
466 q->count = 1;
467
468 /* enable irqs */
469 cx_set(MO_PCI_INTMSK, core->pci_irqmask | PCI_INT_VIDINT);
470
471 /* Enables corresponding bits at PCI_INT_STAT:
472 bits 0 to 4: video, audio, transport stream, VIP, Host
473 bit 7: timer
474 bits 8 and 9: DMA complete for: SRC, DST
475 bits 10 and 11: BERR signal asserted for RISC: RD, WR
476 bits 12 to 15: BERR signal asserted for: BRDG, SRC, DST, IPB
477 */
478 cx_set(MO_VID_INTMSK, 0x0f0011);
479
480 /* enable capture */
481 cx_set(VID_CAPTURE_CONTROL,0x06);
482
483 /* start dma */
484 cx_set(MO_DEV_CNTRL2, (1<<5));
485 cx_set(MO_VID_DMACNTRL, 0x11); /* Planar Y and packed FIFO and RISC enable */
486
487 return 0;
488 }
489
490 #ifdef CONFIG_PM
491 static int stop_video_dma(struct cx8800_dev *dev)
492 {
493 struct cx88_core *core = dev->core;
494
495 /* stop dma */
496 cx_clear(MO_VID_DMACNTRL, 0x11);
497
498 /* disable capture */
499 cx_clear(VID_CAPTURE_CONTROL,0x06);
500
501 /* disable irqs */
502 cx_clear(MO_PCI_INTMSK, PCI_INT_VIDINT);
503 cx_clear(MO_VID_INTMSK, 0x0f0011);
504 return 0;
505 }
506 #endif
507
508 static int restart_video_queue(struct cx8800_dev *dev,
509 struct cx88_dmaqueue *q)
510 {
511 struct cx88_core *core = dev->core;
512 struct cx88_buffer *buf, *prev;
513
514 if (!list_empty(&q->active)) {
515 buf = list_entry(q->active.next, struct cx88_buffer, vb.queue);
516 dprintk(2,"restart_queue [%p/%d]: restart dma\n",
517 buf, buf->vb.i);
518 start_video_dma(dev, q, buf);
519 list_for_each_entry(buf, &q->active, vb.queue)
520 buf->count = q->count++;
521 mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT);
522 return 0;
523 }
524
525 prev = NULL;
526 for (;;) {
527 if (list_empty(&q->queued))
528 return 0;
529 buf = list_entry(q->queued.next, struct cx88_buffer, vb.queue);
530 if (NULL == prev) {
531 list_move_tail(&buf->vb.queue, &q->active);
532 start_video_dma(dev, q, buf);
533 buf->vb.state = VIDEOBUF_ACTIVE;
534 buf->count = q->count++;
535 mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT);
536 dprintk(2,"[%p/%d] restart_queue - first active\n",
537 buf,buf->vb.i);
538
539 } else if (prev->vb.width == buf->vb.width &&
540 prev->vb.height == buf->vb.height &&
541 prev->fmt == buf->fmt) {
542 list_move_tail(&buf->vb.queue, &q->active);
543 buf->vb.state = VIDEOBUF_ACTIVE;
544 buf->count = q->count++;
545 prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma);
546 dprintk(2,"[%p/%d] restart_queue - move to active\n",
547 buf,buf->vb.i);
548 } else {
549 return 0;
550 }
551 prev = buf;
552 }
553 }
554
555 /* ------------------------------------------------------------------ */
556
557 static int
558 buffer_setup(struct videobuf_queue *q, unsigned int *count, unsigned int *size)
559 {
560 struct cx8800_fh *fh = q->priv_data;
561
562 *size = fh->fmt->depth*fh->width*fh->height >> 3;
563 if (0 == *count)
564 *count = 32;
565 if (*size * *count > vid_limit * 1024 * 1024)
566 *count = (vid_limit * 1024 * 1024) / *size;
567 return 0;
568 }
569
570 static int
571 buffer_prepare(struct videobuf_queue *q, struct videobuf_buffer *vb,
572 enum v4l2_field field)
573 {
574 struct cx8800_fh *fh = q->priv_data;
575 struct cx8800_dev *dev = fh->dev;
576 struct cx88_core *core = dev->core;
577 struct cx88_buffer *buf = container_of(vb,struct cx88_buffer,vb);
578 struct videobuf_dmabuf *dma=videobuf_to_dma(&buf->vb);
579 int rc, init_buffer = 0;
580
581 BUG_ON(NULL == fh->fmt);
582 if (fh->width < 48 || fh->width > norm_maxw(core->tvnorm) ||
583 fh->height < 32 || fh->height > norm_maxh(core->tvnorm))
584 return -EINVAL;
585 buf->vb.size = (fh->width * fh->height * fh->fmt->depth) >> 3;
586 if (0 != buf->vb.baddr && buf->vb.bsize < buf->vb.size)
587 return -EINVAL;
588
589 if (buf->fmt != fh->fmt ||
590 buf->vb.width != fh->width ||
591 buf->vb.height != fh->height ||
592 buf->vb.field != field) {
593 buf->fmt = fh->fmt;
594 buf->vb.width = fh->width;
595 buf->vb.height = fh->height;
596 buf->vb.field = field;
597 init_buffer = 1;
598 }
599
600 if (VIDEOBUF_NEEDS_INIT == buf->vb.state) {
601 init_buffer = 1;
602 if (0 != (rc = videobuf_iolock(q,&buf->vb,NULL)))
603 goto fail;
604 }
605
606 if (init_buffer) {
607 buf->bpl = buf->vb.width * buf->fmt->depth >> 3;
608 switch (buf->vb.field) {
609 case V4L2_FIELD_TOP:
610 cx88_risc_buffer(dev->pci, &buf->risc,
611 dma->sglist, 0, UNSET,
612 buf->bpl, 0, buf->vb.height);
613 break;
614 case V4L2_FIELD_BOTTOM:
615 cx88_risc_buffer(dev->pci, &buf->risc,
616 dma->sglist, UNSET, 0,
617 buf->bpl, 0, buf->vb.height);
618 break;
619 case V4L2_FIELD_INTERLACED:
620 cx88_risc_buffer(dev->pci, &buf->risc,
621 dma->sglist, 0, buf->bpl,
622 buf->bpl, buf->bpl,
623 buf->vb.height >> 1);
624 break;
625 case V4L2_FIELD_SEQ_TB:
626 cx88_risc_buffer(dev->pci, &buf->risc,
627 dma->sglist,
628 0, buf->bpl * (buf->vb.height >> 1),
629 buf->bpl, 0,
630 buf->vb.height >> 1);
631 break;
632 case V4L2_FIELD_SEQ_BT:
633 cx88_risc_buffer(dev->pci, &buf->risc,
634 dma->sglist,
635 buf->bpl * (buf->vb.height >> 1), 0,
636 buf->bpl, 0,
637 buf->vb.height >> 1);
638 break;
639 default:
640 BUG();
641 }
642 }
643 dprintk(2,"[%p/%d] buffer_prepare - %dx%d %dbpp \"%s\" - dma=0x%08lx\n",
644 buf, buf->vb.i,
645 fh->width, fh->height, fh->fmt->depth, fh->fmt->name,
646 (unsigned long)buf->risc.dma);
647
648 buf->vb.state = VIDEOBUF_PREPARED;
649 return 0;
650
651 fail:
652 cx88_free_buffer(q,buf);
653 return rc;
654 }
655
656 static void
657 buffer_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb)
658 {
659 struct cx88_buffer *buf = container_of(vb,struct cx88_buffer,vb);
660 struct cx88_buffer *prev;
661 struct cx8800_fh *fh = vq->priv_data;
662 struct cx8800_dev *dev = fh->dev;
663 struct cx88_core *core = dev->core;
664 struct cx88_dmaqueue *q = &dev->vidq;
665
666 /* add jump to stopper */
667 buf->risc.jmp[0] = cpu_to_le32(RISC_JUMP | RISC_IRQ1 | RISC_CNT_INC);
668 buf->risc.jmp[1] = cpu_to_le32(q->stopper.dma);
669
670 if (!list_empty(&q->queued)) {
671 list_add_tail(&buf->vb.queue,&q->queued);
672 buf->vb.state = VIDEOBUF_QUEUED;
673 dprintk(2,"[%p/%d] buffer_queue - append to queued\n",
674 buf, buf->vb.i);
675
676 } else if (list_empty(&q->active)) {
677 list_add_tail(&buf->vb.queue,&q->active);
678 start_video_dma(dev, q, buf);
679 buf->vb.state = VIDEOBUF_ACTIVE;
680 buf->count = q->count++;
681 mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT);
682 dprintk(2,"[%p/%d] buffer_queue - first active\n",
683 buf, buf->vb.i);
684
685 } else {
686 prev = list_entry(q->active.prev, struct cx88_buffer, vb.queue);
687 if (prev->vb.width == buf->vb.width &&
688 prev->vb.height == buf->vb.height &&
689 prev->fmt == buf->fmt) {
690 list_add_tail(&buf->vb.queue,&q->active);
691 buf->vb.state = VIDEOBUF_ACTIVE;
692 buf->count = q->count++;
693 prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma);
694 dprintk(2,"[%p/%d] buffer_queue - append to active\n",
695 buf, buf->vb.i);
696
697 } else {
698 list_add_tail(&buf->vb.queue,&q->queued);
699 buf->vb.state = VIDEOBUF_QUEUED;
700 dprintk(2,"[%p/%d] buffer_queue - first queued\n",
701 buf, buf->vb.i);
702 }
703 }
704 }
705
706 static void buffer_release(struct videobuf_queue *q, struct videobuf_buffer *vb)
707 {
708 struct cx88_buffer *buf = container_of(vb,struct cx88_buffer,vb);
709
710 cx88_free_buffer(q,buf);
711 }
712
713 static const struct videobuf_queue_ops cx8800_video_qops = {
714 .buf_setup = buffer_setup,
715 .buf_prepare = buffer_prepare,
716 .buf_queue = buffer_queue,
717 .buf_release = buffer_release,
718 };
719
720 /* ------------------------------------------------------------------ */
721
722
723 /* ------------------------------------------------------------------ */
724
725 static struct videobuf_queue* get_queue(struct cx8800_fh *fh)
726 {
727 switch (fh->type) {
728 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
729 return &fh->vidq;
730 case V4L2_BUF_TYPE_VBI_CAPTURE:
731 return &fh->vbiq;
732 default:
733 BUG();
734 return NULL;
735 }
736 }
737
738 static int get_ressource(struct cx8800_fh *fh)
739 {
740 switch (fh->type) {
741 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
742 return RESOURCE_VIDEO;
743 case V4L2_BUF_TYPE_VBI_CAPTURE:
744 return RESOURCE_VBI;
745 default:
746 BUG();
747 return 0;
748 }
749 }
750
751 static int video_open(struct file *file)
752 {
753 struct video_device *vdev = video_devdata(file);
754 struct cx8800_dev *dev = video_drvdata(file);
755 struct cx88_core *core = dev->core;
756 struct cx8800_fh *fh;
757 enum v4l2_buf_type type = 0;
758 int radio = 0;
759
760 switch (vdev->vfl_type) {
761 case VFL_TYPE_GRABBER:
762 type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
763 break;
764 case VFL_TYPE_VBI:
765 type = V4L2_BUF_TYPE_VBI_CAPTURE;
766 break;
767 case VFL_TYPE_RADIO:
768 radio = 1;
769 break;
770 }
771
772 dprintk(1, "open dev=%s radio=%d type=%s\n",
773 video_device_node_name(vdev), radio, v4l2_type_names[type]);
774
775 /* allocate + initialize per filehandle data */
776 fh = kzalloc(sizeof(*fh),GFP_KERNEL);
777 if (unlikely(!fh))
778 return -ENOMEM;
779
780 file->private_data = fh;
781 fh->dev = dev;
782 fh->radio = radio;
783 fh->type = type;
784 fh->width = 320;
785 fh->height = 240;
786 fh->fmt = format_by_fourcc(V4L2_PIX_FMT_BGR24);
787
788 mutex_lock(&core->lock);
789
790 videobuf_queue_sg_init(&fh->vidq, &cx8800_video_qops,
791 &dev->pci->dev, &dev->slock,
792 V4L2_BUF_TYPE_VIDEO_CAPTURE,
793 V4L2_FIELD_INTERLACED,
794 sizeof(struct cx88_buffer),
795 fh, NULL);
796 videobuf_queue_sg_init(&fh->vbiq, &cx8800_vbi_qops,
797 &dev->pci->dev, &dev->slock,
798 V4L2_BUF_TYPE_VBI_CAPTURE,
799 V4L2_FIELD_SEQ_TB,
800 sizeof(struct cx88_buffer),
801 fh, NULL);
802
803 if (fh->radio) {
804 dprintk(1,"video_open: setting radio device\n");
805 cx_write(MO_GP3_IO, core->board.radio.gpio3);
806 cx_write(MO_GP0_IO, core->board.radio.gpio0);
807 cx_write(MO_GP1_IO, core->board.radio.gpio1);
808 cx_write(MO_GP2_IO, core->board.radio.gpio2);
809 if (core->board.radio.audioroute) {
810 if(core->board.audio_chip &&
811 core->board.audio_chip == V4L2_IDENT_WM8775) {
812 call_all(core, audio, s_routing,
813 core->board.radio.audioroute, 0, 0);
814 }
815 /* "I2S ADC mode" */
816 core->tvaudio = WW_I2SADC;
817 cx88_set_tvaudio(core);
818 } else {
819 /* FM Mode */
820 core->tvaudio = WW_FM;
821 cx88_set_tvaudio(core);
822 cx88_set_stereo(core,V4L2_TUNER_MODE_STEREO,1);
823 }
824 call_all(core, tuner, s_radio);
825 }
826
827 atomic_inc(&core->users);
828 mutex_unlock(&core->lock);
829
830 return 0;
831 }
832
833 static ssize_t
834 video_read(struct file *file, char __user *data, size_t count, loff_t *ppos)
835 {
836 struct cx8800_fh *fh = file->private_data;
837
838 switch (fh->type) {
839 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
840 if (res_locked(fh->dev,RESOURCE_VIDEO))
841 return -EBUSY;
842 return videobuf_read_one(&fh->vidq, data, count, ppos,
843 file->f_flags & O_NONBLOCK);
844 case V4L2_BUF_TYPE_VBI_CAPTURE:
845 if (!res_get(fh->dev,fh,RESOURCE_VBI))
846 return -EBUSY;
847 return videobuf_read_stream(&fh->vbiq, data, count, ppos, 1,
848 file->f_flags & O_NONBLOCK);
849 default:
850 BUG();
851 return 0;
852 }
853 }
854
855 static unsigned int
856 video_poll(struct file *file, struct poll_table_struct *wait)
857 {
858 struct cx8800_fh *fh = file->private_data;
859 struct cx88_buffer *buf;
860 unsigned int rc = POLLERR;
861
862 if (V4L2_BUF_TYPE_VBI_CAPTURE == fh->type) {
863 if (!res_get(fh->dev,fh,RESOURCE_VBI))
864 return POLLERR;
865 return videobuf_poll_stream(file, &fh->vbiq, wait);
866 }
867
868 mutex_lock(&fh->vidq.vb_lock);
869 if (res_check(fh,RESOURCE_VIDEO)) {
870 /* streaming capture */
871 if (list_empty(&fh->vidq.stream))
872 goto done;
873 buf = list_entry(fh->vidq.stream.next,struct cx88_buffer,vb.stream);
874 } else {
875 /* read() capture */
876 buf = (struct cx88_buffer*)fh->vidq.read_buf;
877 if (NULL == buf)
878 goto done;
879 }
880 poll_wait(file, &buf->vb.done, wait);
881 if (buf->vb.state == VIDEOBUF_DONE ||
882 buf->vb.state == VIDEOBUF_ERROR)
883 rc = POLLIN|POLLRDNORM;
884 else
885 rc = 0;
886 done:
887 mutex_unlock(&fh->vidq.vb_lock);
888 return rc;
889 }
890
891 static int video_release(struct file *file)
892 {
893 struct cx8800_fh *fh = file->private_data;
894 struct cx8800_dev *dev = fh->dev;
895
896 /* turn off overlay */
897 if (res_check(fh, RESOURCE_OVERLAY)) {
898 /* FIXME */
899 res_free(dev,fh,RESOURCE_OVERLAY);
900 }
901
902 /* stop video capture */
903 if (res_check(fh, RESOURCE_VIDEO)) {
904 videobuf_queue_cancel(&fh->vidq);
905 res_free(dev,fh,RESOURCE_VIDEO);
906 }
907 if (fh->vidq.read_buf) {
908 buffer_release(&fh->vidq,fh->vidq.read_buf);
909 kfree(fh->vidq.read_buf);
910 }
911
912 /* stop vbi capture */
913 if (res_check(fh, RESOURCE_VBI)) {
914 videobuf_stop(&fh->vbiq);
915 res_free(dev,fh,RESOURCE_VBI);
916 }
917
918 videobuf_mmap_free(&fh->vidq);
919 videobuf_mmap_free(&fh->vbiq);
920
921 mutex_lock(&dev->core->lock);
922 file->private_data = NULL;
923 kfree(fh);
924
925 if(atomic_dec_and_test(&dev->core->users))
926 call_all(dev->core, core, s_power, 0);
927 mutex_unlock(&dev->core->lock);
928
929 return 0;
930 }
931
932 static int
933 video_mmap(struct file *file, struct vm_area_struct * vma)
934 {
935 struct cx8800_fh *fh = file->private_data;
936
937 return videobuf_mmap_mapper(get_queue(fh), vma);
938 }
939
940 /* ------------------------------------------------------------------ */
941 /* VIDEO CTRL IOCTLS */
942
943 int cx88_get_control (struct cx88_core *core, struct v4l2_control *ctl)
944 {
945 const struct cx88_ctrl *c = NULL;
946 u32 value;
947 int i;
948
949 for (i = 0; i < CX8800_CTLS; i++)
950 if (cx8800_ctls[i].v.id == ctl->id)
951 c = &cx8800_ctls[i];
952 if (unlikely(NULL == c))
953 return -EINVAL;
954
955 value = c->sreg ? cx_sread(c->sreg) : cx_read(c->reg);
956 switch (ctl->id) {
957 case V4L2_CID_AUDIO_BALANCE:
958 ctl->value = ((value & 0x7f) < 0x40) ? ((value & 0x7f) + 0x40)
959 : (0x7f - (value & 0x7f));
960 break;
961 case V4L2_CID_AUDIO_VOLUME:
962 ctl->value = 0x3f - (value & 0x3f);
963 break;
964 default:
965 ctl->value = ((value + (c->off << c->shift)) & c->mask) >> c->shift;
966 break;
967 }
968 dprintk(1,"get_control id=0x%X(%s) ctrl=0x%02x, reg=0x%02x val=0x%02x (mask 0x%02x)%s\n",
969 ctl->id, c->v.name, ctl->value, c->reg,
970 value,c->mask, c->sreg ? " [shadowed]" : "");
971 return 0;
972 }
973 EXPORT_SYMBOL(cx88_get_control);
974
975 int cx88_set_control(struct cx88_core *core, struct v4l2_control *ctl)
976 {
977 const struct cx88_ctrl *c = NULL;
978 u32 value,mask;
979 int i;
980 struct v4l2_control client_ctl;
981
982 for (i = 0; i < CX8800_CTLS; i++) {
983 if (cx8800_ctls[i].v.id == ctl->id) {
984 c = &cx8800_ctls[i];
985 }
986 }
987 if (unlikely(NULL == c))
988 return -EINVAL;
989
990 if (ctl->value < c->v.minimum)
991 ctl->value = c->v.minimum;
992 if (ctl->value > c->v.maximum)
993 ctl->value = c->v.maximum;
994
995 /* Pass changes onto any WM8775 */
996 client_ctl.id = ctl->id;
997 switch (ctl->id) {
998 case V4L2_CID_AUDIO_MUTE:
999 client_ctl.value = ctl->value;
1000 break;
1001 case V4L2_CID_AUDIO_VOLUME:
1002 client_ctl.value = (ctl->value) ?
1003 (0x90 + ctl->value) << 8 : 0;
1004 break;
1005 case V4L2_CID_AUDIO_BALANCE:
1006 client_ctl.value = ctl->value << 9;
1007 break;
1008 default:
1009 client_ctl.id = 0;
1010 break;
1011 }
1012 if (client_ctl.id)
1013 call_hw(core, WM8775_GID, core, s_ctrl, &client_ctl);
1014
1015 mask=c->mask;
1016 switch (ctl->id) {
1017 case V4L2_CID_AUDIO_BALANCE:
1018 value = (ctl->value < 0x40) ? (0x7f - ctl->value) : (ctl->value - 0x40);
1019 break;
1020 case V4L2_CID_AUDIO_VOLUME:
1021 value = 0x3f - (ctl->value & 0x3f);
1022 break;
1023 case V4L2_CID_SATURATION:
1024 /* special v_sat handling */
1025
1026 value = ((ctl->value - c->off) << c->shift) & c->mask;
1027
1028 if (core->tvnorm & V4L2_STD_SECAM) {
1029 /* For SECAM, both U and V sat should be equal */
1030 value=value<<8|value;
1031 } else {
1032 /* Keeps U Saturation proportional to V Sat */
1033 value=(value*0x5a)/0x7f<<8|value;
1034 }
1035 mask=0xffff;
1036 break;
1037 case V4L2_CID_CHROMA_AGC:
1038 /* Do not allow chroma AGC to be enabled for SECAM */
1039 value = ((ctl->value - c->off) << c->shift) & c->mask;
1040 if (core->tvnorm & V4L2_STD_SECAM && value)
1041 return -EINVAL;
1042 break;
1043 default:
1044 value = ((ctl->value - c->off) << c->shift) & c->mask;
1045 break;
1046 }
1047 dprintk(1,"set_control id=0x%X(%s) ctrl=0x%02x, reg=0x%02x val=0x%02x (mask 0x%02x)%s\n",
1048 ctl->id, c->v.name, ctl->value, c->reg, value,
1049 mask, c->sreg ? " [shadowed]" : "");
1050 if (c->sreg) {
1051 cx_sandor(c->sreg, c->reg, mask, value);
1052 } else {
1053 cx_andor(c->reg, mask, value);
1054 }
1055 return 0;
1056 }
1057 EXPORT_SYMBOL(cx88_set_control);
1058
1059 static void init_controls(struct cx88_core *core)
1060 {
1061 struct v4l2_control ctrl;
1062 int i;
1063
1064 for (i = 0; i < CX8800_CTLS; i++) {
1065 ctrl.id=cx8800_ctls[i].v.id;
1066 ctrl.value=cx8800_ctls[i].v.default_value;
1067
1068 cx88_set_control(core, &ctrl);
1069 }
1070 }
1071
1072 /* ------------------------------------------------------------------ */
1073 /* VIDEO IOCTLS */
1074
1075 static int vidioc_g_fmt_vid_cap(struct file *file, void *priv,
1076 struct v4l2_format *f)
1077 {
1078 struct cx8800_fh *fh = priv;
1079
1080 f->fmt.pix.width = fh->width;
1081 f->fmt.pix.height = fh->height;
1082 f->fmt.pix.field = fh->vidq.field;
1083 f->fmt.pix.pixelformat = fh->fmt->fourcc;
1084 f->fmt.pix.bytesperline =
1085 (f->fmt.pix.width * fh->fmt->depth) >> 3;
1086 f->fmt.pix.sizeimage =
1087 f->fmt.pix.height * f->fmt.pix.bytesperline;
1088 return 0;
1089 }
1090
1091 static int vidioc_try_fmt_vid_cap(struct file *file, void *priv,
1092 struct v4l2_format *f)
1093 {
1094 struct cx88_core *core = ((struct cx8800_fh *)priv)->dev->core;
1095 const struct cx8800_fmt *fmt;
1096 enum v4l2_field field;
1097 unsigned int maxw, maxh;
1098
1099 fmt = format_by_fourcc(f->fmt.pix.pixelformat);
1100 if (NULL == fmt)
1101 return -EINVAL;
1102
1103 field = f->fmt.pix.field;
1104 maxw = norm_maxw(core->tvnorm);
1105 maxh = norm_maxh(core->tvnorm);
1106
1107 if (V4L2_FIELD_ANY == field) {
1108 field = (f->fmt.pix.height > maxh/2)
1109 ? V4L2_FIELD_INTERLACED
1110 : V4L2_FIELD_BOTTOM;
1111 }
1112
1113 switch (field) {
1114 case V4L2_FIELD_TOP:
1115 case V4L2_FIELD_BOTTOM:
1116 maxh = maxh / 2;
1117 break;
1118 case V4L2_FIELD_INTERLACED:
1119 break;
1120 default:
1121 return -EINVAL;
1122 }
1123
1124 f->fmt.pix.field = field;
1125 v4l_bound_align_image(&f->fmt.pix.width, 48, maxw, 2,
1126 &f->fmt.pix.height, 32, maxh, 0, 0);
1127 f->fmt.pix.bytesperline =
1128 (f->fmt.pix.width * fmt->depth) >> 3;
1129 f->fmt.pix.sizeimage =
1130 f->fmt.pix.height * f->fmt.pix.bytesperline;
1131
1132 return 0;
1133 }
1134
1135 static int vidioc_s_fmt_vid_cap(struct file *file, void *priv,
1136 struct v4l2_format *f)
1137 {
1138 struct cx8800_fh *fh = priv;
1139 int err = vidioc_try_fmt_vid_cap (file,priv,f);
1140
1141 if (0 != err)
1142 return err;
1143 fh->fmt = format_by_fourcc(f->fmt.pix.pixelformat);
1144 fh->width = f->fmt.pix.width;
1145 fh->height = f->fmt.pix.height;
1146 fh->vidq.field = f->fmt.pix.field;
1147 return 0;
1148 }
1149
1150 static int vidioc_querycap (struct file *file, void *priv,
1151 struct v4l2_capability *cap)
1152 {
1153 struct cx8800_dev *dev = ((struct cx8800_fh *)priv)->dev;
1154 struct cx88_core *core = dev->core;
1155
1156 strcpy(cap->driver, "cx8800");
1157 strlcpy(cap->card, core->board.name, sizeof(cap->card));
1158 sprintf(cap->bus_info,"PCI:%s",pci_name(dev->pci));
1159 cap->version = CX88_VERSION_CODE;
1160 cap->capabilities =
1161 V4L2_CAP_VIDEO_CAPTURE |
1162 V4L2_CAP_READWRITE |
1163 V4L2_CAP_STREAMING |
1164 V4L2_CAP_VBI_CAPTURE;
1165 if (UNSET != core->board.tuner_type)
1166 cap->capabilities |= V4L2_CAP_TUNER;
1167 return 0;
1168 }
1169
1170 static int vidioc_enum_fmt_vid_cap (struct file *file, void *priv,
1171 struct v4l2_fmtdesc *f)
1172 {
1173 if (unlikely(f->index >= ARRAY_SIZE(formats)))
1174 return -EINVAL;
1175
1176 strlcpy(f->description,formats[f->index].name,sizeof(f->description));
1177 f->pixelformat = formats[f->index].fourcc;
1178
1179 return 0;
1180 }
1181
1182 #ifdef CONFIG_VIDEO_V4L1_COMPAT
1183 static int vidiocgmbuf (struct file *file, void *priv, struct video_mbuf *mbuf)
1184 {
1185 struct cx8800_fh *fh = priv;
1186
1187 return videobuf_cgmbuf (get_queue(fh), mbuf, 8);
1188 }
1189 #endif
1190
1191 static int vidioc_reqbufs (struct file *file, void *priv, struct v4l2_requestbuffers *p)
1192 {
1193 struct cx8800_fh *fh = priv;
1194 return (videobuf_reqbufs(get_queue(fh), p));
1195 }
1196
1197 static int vidioc_querybuf (struct file *file, void *priv, struct v4l2_buffer *p)
1198 {
1199 struct cx8800_fh *fh = priv;
1200 return (videobuf_querybuf(get_queue(fh), p));
1201 }
1202
1203 static int vidioc_qbuf (struct file *file, void *priv, struct v4l2_buffer *p)
1204 {
1205 struct cx8800_fh *fh = priv;
1206 return (videobuf_qbuf(get_queue(fh), p));
1207 }
1208
1209 static int vidioc_dqbuf (struct file *file, void *priv, struct v4l2_buffer *p)
1210 {
1211 struct cx8800_fh *fh = priv;
1212 return (videobuf_dqbuf(get_queue(fh), p,
1213 file->f_flags & O_NONBLOCK));
1214 }
1215
1216 static int vidioc_streamon(struct file *file, void *priv, enum v4l2_buf_type i)
1217 {
1218 struct cx8800_fh *fh = priv;
1219 struct cx8800_dev *dev = fh->dev;
1220
1221 /* We should remember that this driver also supports teletext, */
1222 /* so we have to test if the v4l2_buf_type is VBI capture data. */
1223 if (unlikely((fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) &&
1224 (fh->type != V4L2_BUF_TYPE_VBI_CAPTURE)))
1225 return -EINVAL;
1226
1227 if (unlikely(i != fh->type))
1228 return -EINVAL;
1229
1230 if (unlikely(!res_get(dev,fh,get_ressource(fh))))
1231 return -EBUSY;
1232 return videobuf_streamon(get_queue(fh));
1233 }
1234
1235 static int vidioc_streamoff(struct file *file, void *priv, enum v4l2_buf_type i)
1236 {
1237 struct cx8800_fh *fh = priv;
1238 struct cx8800_dev *dev = fh->dev;
1239 int err, res;
1240
1241 if ((fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) &&
1242 (fh->type != V4L2_BUF_TYPE_VBI_CAPTURE))
1243 return -EINVAL;
1244
1245 if (i != fh->type)
1246 return -EINVAL;
1247
1248 res = get_ressource(fh);
1249 err = videobuf_streamoff(get_queue(fh));
1250 if (err < 0)
1251 return err;
1252 res_free(dev,fh,res);
1253 return 0;
1254 }
1255
1256 static int vidioc_s_std (struct file *file, void *priv, v4l2_std_id *tvnorms)
1257 {
1258 struct cx88_core *core = ((struct cx8800_fh *)priv)->dev->core;
1259
1260 mutex_lock(&core->lock);
1261 cx88_set_tvnorm(core,*tvnorms);
1262 mutex_unlock(&core->lock);
1263
1264 return 0;
1265 }
1266
1267 /* only one input in this sample driver */
1268 int cx88_enum_input (struct cx88_core *core,struct v4l2_input *i)
1269 {
1270 static const char * const iname[] = {
1271 [ CX88_VMUX_COMPOSITE1 ] = "Composite1",
1272 [ CX88_VMUX_COMPOSITE2 ] = "Composite2",
1273 [ CX88_VMUX_COMPOSITE3 ] = "Composite3",
1274 [ CX88_VMUX_COMPOSITE4 ] = "Composite4",
1275 [ CX88_VMUX_SVIDEO ] = "S-Video",
1276 [ CX88_VMUX_TELEVISION ] = "Television",
1277 [ CX88_VMUX_CABLE ] = "Cable TV",
1278 [ CX88_VMUX_DVB ] = "DVB",
1279 [ CX88_VMUX_DEBUG ] = "for debug only",
1280 };
1281 unsigned int n = i->index;
1282
1283 if (n >= 4)
1284 return -EINVAL;
1285 if (0 == INPUT(n).type)
1286 return -EINVAL;
1287 i->type = V4L2_INPUT_TYPE_CAMERA;
1288 strcpy(i->name,iname[INPUT(n).type]);
1289 if ((CX88_VMUX_TELEVISION == INPUT(n).type) ||
1290 (CX88_VMUX_CABLE == INPUT(n).type)) {
1291 i->type = V4L2_INPUT_TYPE_TUNER;
1292 i->std = CX88_NORMS;
1293 }
1294 return 0;
1295 }
1296 EXPORT_SYMBOL(cx88_enum_input);
1297
1298 static int vidioc_enum_input (struct file *file, void *priv,
1299 struct v4l2_input *i)
1300 {
1301 struct cx88_core *core = ((struct cx8800_fh *)priv)->dev->core;
1302 return cx88_enum_input (core,i);
1303 }
1304
1305 static int vidioc_g_input (struct file *file, void *priv, unsigned int *i)
1306 {
1307 struct cx88_core *core = ((struct cx8800_fh *)priv)->dev->core;
1308
1309 *i = core->input;
1310 return 0;
1311 }
1312
1313 static int vidioc_s_input (struct file *file, void *priv, unsigned int i)
1314 {
1315 struct cx88_core *core = ((struct cx8800_fh *)priv)->dev->core;
1316
1317 if (i >= 4)
1318 return -EINVAL;
1319
1320 mutex_lock(&core->lock);
1321 cx88_newstation(core);
1322 cx88_video_mux(core,i);
1323 mutex_unlock(&core->lock);
1324 return 0;
1325 }
1326
1327
1328
1329 static int vidioc_queryctrl (struct file *file, void *priv,
1330 struct v4l2_queryctrl *qctrl)
1331 {
1332 struct cx88_core *core = ((struct cx8800_fh *)priv)->dev->core;
1333
1334 qctrl->id = v4l2_ctrl_next(ctrl_classes, qctrl->id);
1335 if (unlikely(qctrl->id == 0))
1336 return -EINVAL;
1337 return cx8800_ctrl_query(core, qctrl);
1338 }
1339
1340 static int vidioc_g_ctrl (struct file *file, void *priv,
1341 struct v4l2_control *ctl)
1342 {
1343 struct cx88_core *core = ((struct cx8800_fh *)priv)->dev->core;
1344 return
1345 cx88_get_control(core,ctl);
1346 }
1347
1348 static int vidioc_s_ctrl (struct file *file, void *priv,
1349 struct v4l2_control *ctl)
1350 {
1351 struct cx88_core *core = ((struct cx8800_fh *)priv)->dev->core;
1352 return
1353 cx88_set_control(core,ctl);
1354 }
1355
1356 static int vidioc_g_tuner (struct file *file, void *priv,
1357 struct v4l2_tuner *t)
1358 {
1359 struct cx88_core *core = ((struct cx8800_fh *)priv)->dev->core;
1360 u32 reg;
1361
1362 if (unlikely(UNSET == core->board.tuner_type))
1363 return -EINVAL;
1364 if (0 != t->index)
1365 return -EINVAL;
1366
1367 strcpy(t->name, "Television");
1368 t->type = V4L2_TUNER_ANALOG_TV;
1369 t->capability = V4L2_TUNER_CAP_NORM;
1370 t->rangehigh = 0xffffffffUL;
1371
1372 cx88_get_stereo(core ,t);
1373 reg = cx_read(MO_DEVICE_STATUS);
1374 t->signal = (reg & (1<<5)) ? 0xffff : 0x0000;
1375 return 0;
1376 }
1377
1378 static int vidioc_s_tuner (struct file *file, void *priv,
1379 struct v4l2_tuner *t)
1380 {
1381 struct cx88_core *core = ((struct cx8800_fh *)priv)->dev->core;
1382
1383 if (UNSET == core->board.tuner_type)
1384 return -EINVAL;
1385 if (0 != t->index)
1386 return -EINVAL;
1387
1388 cx88_set_stereo(core, t->audmode, 1);
1389 return 0;
1390 }
1391
1392 static int vidioc_g_frequency (struct file *file, void *priv,
1393 struct v4l2_frequency *f)
1394 {
1395 struct cx8800_fh *fh = priv;
1396 struct cx88_core *core = fh->dev->core;
1397
1398 if (unlikely(UNSET == core->board.tuner_type))
1399 return -EINVAL;
1400
1401 /* f->type = fh->radio ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV; */
1402 f->type = fh->radio ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV;
1403 f->frequency = core->freq;
1404
1405 call_all(core, tuner, g_frequency, f);
1406
1407 return 0;
1408 }
1409
1410 int cx88_set_freq (struct cx88_core *core,
1411 struct v4l2_frequency *f)
1412 {
1413 if (unlikely(UNSET == core->board.tuner_type))
1414 return -EINVAL;
1415 if (unlikely(f->tuner != 0))
1416 return -EINVAL;
1417
1418 mutex_lock(&core->lock);
1419 core->freq = f->frequency;
1420 cx88_newstation(core);
1421 call_all(core, tuner, s_frequency, f);
1422
1423 /* When changing channels it is required to reset TVAUDIO */
1424 msleep (10);
1425 cx88_set_tvaudio(core);
1426
1427 mutex_unlock(&core->lock);
1428
1429 return 0;
1430 }
1431 EXPORT_SYMBOL(cx88_set_freq);
1432
1433 static int vidioc_s_frequency (struct file *file, void *priv,
1434 struct v4l2_frequency *f)
1435 {
1436 struct cx8800_fh *fh = priv;
1437 struct cx88_core *core = fh->dev->core;
1438
1439 if (unlikely(0 == fh->radio && f->type != V4L2_TUNER_ANALOG_TV))
1440 return -EINVAL;
1441 if (unlikely(1 == fh->radio && f->type != V4L2_TUNER_RADIO))
1442 return -EINVAL;
1443
1444 return
1445 cx88_set_freq (core,f);
1446 }
1447
1448 #ifdef CONFIG_VIDEO_ADV_DEBUG
1449 static int vidioc_g_register (struct file *file, void *fh,
1450 struct v4l2_dbg_register *reg)
1451 {
1452 struct cx88_core *core = ((struct cx8800_fh*)fh)->dev->core;
1453
1454 if (!v4l2_chip_match_host(&reg->match))
1455 return -EINVAL;
1456 /* cx2388x has a 24-bit register space */
1457 reg->val = cx_read(reg->reg & 0xffffff);
1458 reg->size = 4;
1459 return 0;
1460 }
1461
1462 static int vidioc_s_register (struct file *file, void *fh,
1463 struct v4l2_dbg_register *reg)
1464 {
1465 struct cx88_core *core = ((struct cx8800_fh*)fh)->dev->core;
1466
1467 if (!v4l2_chip_match_host(&reg->match))
1468 return -EINVAL;
1469 cx_write(reg->reg & 0xffffff, reg->val);
1470 return 0;
1471 }
1472 #endif
1473
1474 /* ----------------------------------------------------------- */
1475 /* RADIO ESPECIFIC IOCTLS */
1476 /* ----------------------------------------------------------- */
1477
1478 static int radio_querycap (struct file *file, void *priv,
1479 struct v4l2_capability *cap)
1480 {
1481 struct cx8800_dev *dev = ((struct cx8800_fh *)priv)->dev;
1482 struct cx88_core *core = dev->core;
1483
1484 strcpy(cap->driver, "cx8800");
1485 strlcpy(cap->card, core->board.name, sizeof(cap->card));
1486 sprintf(cap->bus_info,"PCI:%s", pci_name(dev->pci));
1487 cap->version = CX88_VERSION_CODE;
1488 cap->capabilities = V4L2_CAP_TUNER;
1489 return 0;
1490 }
1491
1492 static int radio_g_tuner (struct file *file, void *priv,
1493 struct v4l2_tuner *t)
1494 {
1495 struct cx88_core *core = ((struct cx8800_fh *)priv)->dev->core;
1496
1497 if (unlikely(t->index > 0))
1498 return -EINVAL;
1499
1500 strcpy(t->name, "Radio");
1501 t->type = V4L2_TUNER_RADIO;
1502
1503 call_all(core, tuner, g_tuner, t);
1504 return 0;
1505 }
1506
1507 static int radio_enum_input (struct file *file, void *priv,
1508 struct v4l2_input *i)
1509 {
1510 if (i->index != 0)
1511 return -EINVAL;
1512 strcpy(i->name,"Radio");
1513 i->type = V4L2_INPUT_TYPE_TUNER;
1514
1515 return 0;
1516 }
1517
1518 static int radio_g_audio (struct file *file, void *priv, struct v4l2_audio *a)
1519 {
1520 if (unlikely(a->index))
1521 return -EINVAL;
1522
1523 strcpy(a->name,"Radio");
1524 return 0;
1525 }
1526
1527 /* FIXME: Should add a standard for radio */
1528
1529 static int radio_s_tuner (struct file *file, void *priv,
1530 struct v4l2_tuner *t)
1531 {
1532 struct cx88_core *core = ((struct cx8800_fh *)priv)->dev->core;
1533
1534 if (0 != t->index)
1535 return -EINVAL;
1536
1537 call_all(core, tuner, s_tuner, t);
1538
1539 return 0;
1540 }
1541
1542 static int radio_s_audio (struct file *file, void *fh,
1543 struct v4l2_audio *a)
1544 {
1545 return 0;
1546 }
1547
1548 static int radio_s_input (struct file *file, void *fh, unsigned int i)
1549 {
1550 return 0;
1551 }
1552
1553 static int radio_queryctrl (struct file *file, void *priv,
1554 struct v4l2_queryctrl *c)
1555 {
1556 int i;
1557
1558 if (c->id < V4L2_CID_BASE ||
1559 c->id >= V4L2_CID_LASTP1)
1560 return -EINVAL;
1561 if (c->id == V4L2_CID_AUDIO_MUTE ||
1562 c->id == V4L2_CID_AUDIO_VOLUME ||
1563 c->id == V4L2_CID_AUDIO_BALANCE) {
1564 for (i = 0; i < CX8800_CTLS; i++) {
1565 if (cx8800_ctls[i].v.id == c->id)
1566 break;
1567 }
1568 if (i == CX8800_CTLS)
1569 return -EINVAL;
1570 *c = cx8800_ctls[i].v;
1571 } else
1572 *c = no_ctl;
1573 return 0;
1574 }
1575
1576 /* ----------------------------------------------------------- */
1577
1578 static void cx8800_vid_timeout(unsigned long data)
1579 {
1580 struct cx8800_dev *dev = (struct cx8800_dev*)data;
1581 struct cx88_core *core = dev->core;
1582 struct cx88_dmaqueue *q = &dev->vidq;
1583 struct cx88_buffer *buf;
1584 unsigned long flags;
1585
1586 cx88_sram_channel_dump(core, &cx88_sram_channels[SRAM_CH21]);
1587
1588 cx_clear(MO_VID_DMACNTRL, 0x11);
1589 cx_clear(VID_CAPTURE_CONTROL, 0x06);
1590
1591 spin_lock_irqsave(&dev->slock,flags);
1592 while (!list_empty(&q->active)) {
1593 buf = list_entry(q->active.next, struct cx88_buffer, vb.queue);
1594 list_del(&buf->vb.queue);
1595 buf->vb.state = VIDEOBUF_ERROR;
1596 wake_up(&buf->vb.done);
1597 printk("%s/0: [%p/%d] timeout - dma=0x%08lx\n", core->name,
1598 buf, buf->vb.i, (unsigned long)buf->risc.dma);
1599 }
1600 restart_video_queue(dev,q);
1601 spin_unlock_irqrestore(&dev->slock,flags);
1602 }
1603
1604 static const char *cx88_vid_irqs[32] = {
1605 "y_risci1", "u_risci1", "v_risci1", "vbi_risc1",
1606 "y_risci2", "u_risci2", "v_risci2", "vbi_risc2",
1607 "y_oflow", "u_oflow", "v_oflow", "vbi_oflow",
1608 "y_sync", "u_sync", "v_sync", "vbi_sync",
1609 "opc_err", "par_err", "rip_err", "pci_abort",
1610 };
1611
1612 static void cx8800_vid_irq(struct cx8800_dev *dev)
1613 {
1614 struct cx88_core *core = dev->core;
1615 u32 status, mask, count;
1616
1617 status = cx_read(MO_VID_INTSTAT);
1618 mask = cx_read(MO_VID_INTMSK);
1619 if (0 == (status & mask))
1620 return;
1621 cx_write(MO_VID_INTSTAT, status);
1622 if (irq_debug || (status & mask & ~0xff))
1623 cx88_print_irqbits(core->name, "irq vid",
1624 cx88_vid_irqs, ARRAY_SIZE(cx88_vid_irqs),
1625 status, mask);
1626
1627 /* risc op code error */
1628 if (status & (1 << 16)) {
1629 printk(KERN_WARNING "%s/0: video risc op code error\n",core->name);
1630 cx_clear(MO_VID_DMACNTRL, 0x11);
1631 cx_clear(VID_CAPTURE_CONTROL, 0x06);
1632 cx88_sram_channel_dump(core, &cx88_sram_channels[SRAM_CH21]);
1633 }
1634
1635 /* risc1 y */
1636 if (status & 0x01) {
1637 spin_lock(&dev->slock);
1638 count = cx_read(MO_VIDY_GPCNT);
1639 cx88_wakeup(core, &dev->vidq, count);
1640 spin_unlock(&dev->slock);
1641 }
1642
1643 /* risc1 vbi */
1644 if (status & 0x08) {
1645 spin_lock(&dev->slock);
1646 count = cx_read(MO_VBI_GPCNT);
1647 cx88_wakeup(core, &dev->vbiq, count);
1648 spin_unlock(&dev->slock);
1649 }
1650
1651 /* risc2 y */
1652 if (status & 0x10) {
1653 dprintk(2,"stopper video\n");
1654 spin_lock(&dev->slock);
1655 restart_video_queue(dev,&dev->vidq);
1656 spin_unlock(&dev->slock);
1657 }
1658
1659 /* risc2 vbi */
1660 if (status & 0x80) {
1661 dprintk(2,"stopper vbi\n");
1662 spin_lock(&dev->slock);
1663 cx8800_restart_vbi_queue(dev,&dev->vbiq);
1664 spin_unlock(&dev->slock);
1665 }
1666 }
1667
1668 static irqreturn_t cx8800_irq(int irq, void *dev_id)
1669 {
1670 struct cx8800_dev *dev = dev_id;
1671 struct cx88_core *core = dev->core;
1672 u32 status;
1673 int loop, handled = 0;
1674
1675 for (loop = 0; loop < 10; loop++) {
1676 status = cx_read(MO_PCI_INTSTAT) &
1677 (core->pci_irqmask | PCI_INT_VIDINT);
1678 if (0 == status)
1679 goto out;
1680 cx_write(MO_PCI_INTSTAT, status);
1681 handled = 1;
1682
1683 if (status & core->pci_irqmask)
1684 cx88_core_irq(core,status);
1685 if (status & PCI_INT_VIDINT)
1686 cx8800_vid_irq(dev);
1687 };
1688 if (10 == loop) {
1689 printk(KERN_WARNING "%s/0: irq loop -- clearing mask\n",
1690 core->name);
1691 cx_write(MO_PCI_INTMSK,0);
1692 }
1693
1694 out:
1695 return IRQ_RETVAL(handled);
1696 }
1697
1698 /* ----------------------------------------------------------- */
1699 /* exported stuff */
1700
1701 static const struct v4l2_file_operations video_fops =
1702 {
1703 .owner = THIS_MODULE,
1704 .open = video_open,
1705 .release = video_release,
1706 .read = video_read,
1707 .poll = video_poll,
1708 .mmap = video_mmap,
1709 .ioctl = video_ioctl2,
1710 };
1711
1712 static const struct v4l2_ioctl_ops video_ioctl_ops = {
1713 .vidioc_querycap = vidioc_querycap,
1714 .vidioc_enum_fmt_vid_cap = vidioc_enum_fmt_vid_cap,
1715 .vidioc_g_fmt_vid_cap = vidioc_g_fmt_vid_cap,
1716 .vidioc_try_fmt_vid_cap = vidioc_try_fmt_vid_cap,
1717 .vidioc_s_fmt_vid_cap = vidioc_s_fmt_vid_cap,
1718 .vidioc_g_fmt_vbi_cap = cx8800_vbi_fmt,
1719 .vidioc_try_fmt_vbi_cap = cx8800_vbi_fmt,
1720 .vidioc_s_fmt_vbi_cap = cx8800_vbi_fmt,
1721 .vidioc_reqbufs = vidioc_reqbufs,
1722 .vidioc_querybuf = vidioc_querybuf,
1723 .vidioc_qbuf = vidioc_qbuf,
1724 .vidioc_dqbuf = vidioc_dqbuf,
1725 .vidioc_s_std = vidioc_s_std,
1726 .vidioc_enum_input = vidioc_enum_input,
1727 .vidioc_g_input = vidioc_g_input,
1728 .vidioc_s_input = vidioc_s_input,
1729 .vidioc_queryctrl = vidioc_queryctrl,
1730 .vidioc_g_ctrl = vidioc_g_ctrl,
1731 .vidioc_s_ctrl = vidioc_s_ctrl,
1732 .vidioc_streamon = vidioc_streamon,
1733 .vidioc_streamoff = vidioc_streamoff,
1734 #ifdef CONFIG_VIDEO_V4L1_COMPAT
1735 .vidiocgmbuf = vidiocgmbuf,
1736 #endif
1737 .vidioc_g_tuner = vidioc_g_tuner,
1738 .vidioc_s_tuner = vidioc_s_tuner,
1739 .vidioc_g_frequency = vidioc_g_frequency,
1740 .vidioc_s_frequency = vidioc_s_frequency,
1741 #ifdef CONFIG_VIDEO_ADV_DEBUG
1742 .vidioc_g_register = vidioc_g_register,
1743 .vidioc_s_register = vidioc_s_register,
1744 #endif
1745 };
1746
1747 static struct video_device cx8800_vbi_template;
1748
1749 static const struct video_device cx8800_video_template = {
1750 .name = "cx8800-video",
1751 .fops = &video_fops,
1752 .ioctl_ops = &video_ioctl_ops,
1753 .tvnorms = CX88_NORMS,
1754 .current_norm = V4L2_STD_NTSC_M,
1755 };
1756
1757 static const struct v4l2_file_operations radio_fops =
1758 {
1759 .owner = THIS_MODULE,
1760 .open = video_open,
1761 .release = video_release,
1762 .ioctl = video_ioctl2,
1763 };
1764
1765 static const struct v4l2_ioctl_ops radio_ioctl_ops = {
1766 .vidioc_querycap = radio_querycap,
1767 .vidioc_g_tuner = radio_g_tuner,
1768 .vidioc_enum_input = radio_enum_input,
1769 .vidioc_g_audio = radio_g_audio,
1770 .vidioc_s_tuner = radio_s_tuner,
1771 .vidioc_s_audio = radio_s_audio,
1772 .vidioc_s_input = radio_s_input,
1773 .vidioc_queryctrl = radio_queryctrl,
1774 .vidioc_g_ctrl = vidioc_g_ctrl,
1775 .vidioc_s_ctrl = vidioc_s_ctrl,
1776 .vidioc_g_frequency = vidioc_g_frequency,
1777 .vidioc_s_frequency = vidioc_s_frequency,
1778 #ifdef CONFIG_VIDEO_ADV_DEBUG
1779 .vidioc_g_register = vidioc_g_register,
1780 .vidioc_s_register = vidioc_s_register,
1781 #endif
1782 };
1783
1784 static const struct video_device cx8800_radio_template = {
1785 .name = "cx8800-radio",
1786 .fops = &radio_fops,
1787 .ioctl_ops = &radio_ioctl_ops,
1788 };
1789
1790 /* ----------------------------------------------------------- */
1791
1792 static void cx8800_unregister_video(struct cx8800_dev *dev)
1793 {
1794 if (dev->radio_dev) {
1795 if (video_is_registered(dev->radio_dev))
1796 video_unregister_device(dev->radio_dev);
1797 else
1798 video_device_release(dev->radio_dev);
1799 dev->radio_dev = NULL;
1800 }
1801 if (dev->vbi_dev) {
1802 if (video_is_registered(dev->vbi_dev))
1803 video_unregister_device(dev->vbi_dev);
1804 else
1805 video_device_release(dev->vbi_dev);
1806 dev->vbi_dev = NULL;
1807 }
1808 if (dev->video_dev) {
1809 if (video_is_registered(dev->video_dev))
1810 video_unregister_device(dev->video_dev);
1811 else
1812 video_device_release(dev->video_dev);
1813 dev->video_dev = NULL;
1814 }
1815 }
1816
1817 static int __devinit cx8800_initdev(struct pci_dev *pci_dev,
1818 const struct pci_device_id *pci_id)
1819 {
1820 struct cx8800_dev *dev;
1821 struct cx88_core *core;
1822
1823 int err;
1824
1825 dev = kzalloc(sizeof(*dev),GFP_KERNEL);
1826 if (NULL == dev)
1827 return -ENOMEM;
1828
1829 /* pci init */
1830 dev->pci = pci_dev;
1831 if (pci_enable_device(pci_dev)) {
1832 err = -EIO;
1833 goto fail_free;
1834 }
1835 core = cx88_core_get(dev->pci);
1836 if (NULL == core) {
1837 err = -EINVAL;
1838 goto fail_free;
1839 }
1840 dev->core = core;
1841
1842 /* print pci info */
1843 pci_read_config_byte(pci_dev, PCI_CLASS_REVISION, &dev->pci_rev);
1844 pci_read_config_byte(pci_dev, PCI_LATENCY_TIMER, &dev->pci_lat);
1845 printk(KERN_INFO "%s/0: found at %s, rev: %d, irq: %d, "
1846 "latency: %d, mmio: 0x%llx\n", core->name,
1847 pci_name(pci_dev), dev->pci_rev, pci_dev->irq,
1848 dev->pci_lat,(unsigned long long)pci_resource_start(pci_dev,0));
1849
1850 pci_set_master(pci_dev);
1851 if (!pci_dma_supported(pci_dev,DMA_BIT_MASK(32))) {
1852 printk("%s/0: Oops: no 32bit PCI DMA ???\n",core->name);
1853 err = -EIO;
1854 goto fail_core;
1855 }
1856
1857 /* Initialize VBI template */
1858 memcpy( &cx8800_vbi_template, &cx8800_video_template,
1859 sizeof(cx8800_vbi_template) );
1860 strcpy(cx8800_vbi_template.name,"cx8800-vbi");
1861
1862 /* initialize driver struct */
1863 spin_lock_init(&dev->slock);
1864 core->tvnorm = cx8800_video_template.current_norm;
1865
1866 /* init video dma queues */
1867 INIT_LIST_HEAD(&dev->vidq.active);
1868 INIT_LIST_HEAD(&dev->vidq.queued);
1869 dev->vidq.timeout.function = cx8800_vid_timeout;
1870 dev->vidq.timeout.data = (unsigned long)dev;
1871 init_timer(&dev->vidq.timeout);
1872 cx88_risc_stopper(dev->pci,&dev->vidq.stopper,
1873 MO_VID_DMACNTRL,0x11,0x00);
1874
1875 /* init vbi dma queues */
1876 INIT_LIST_HEAD(&dev->vbiq.active);
1877 INIT_LIST_HEAD(&dev->vbiq.queued);
1878 dev->vbiq.timeout.function = cx8800_vbi_timeout;
1879 dev->vbiq.timeout.data = (unsigned long)dev;
1880 init_timer(&dev->vbiq.timeout);
1881 cx88_risc_stopper(dev->pci,&dev->vbiq.stopper,
1882 MO_VID_DMACNTRL,0x88,0x00);
1883
1884 /* get irq */
1885 err = request_irq(pci_dev->irq, cx8800_irq,
1886 IRQF_SHARED | IRQF_DISABLED, core->name, dev);
1887 if (err < 0) {
1888 printk(KERN_ERR "%s/0: can't get IRQ %d\n",
1889 core->name,pci_dev->irq);
1890 goto fail_core;
1891 }
1892 cx_set(MO_PCI_INTMSK, core->pci_irqmask);
1893
1894 /* load and configure helper modules */
1895
1896 if (core->board.audio_chip == V4L2_IDENT_WM8775)
1897 v4l2_i2c_new_subdev(&core->v4l2_dev, &core->i2c_adap,
1898 "wm8775", 0x36 >> 1, NULL);
1899
1900 if (core->board.audio_chip == V4L2_IDENT_TVAUDIO) {
1901 /* This probes for a tda9874 as is used on some
1902 Pixelview Ultra boards. */
1903 v4l2_i2c_new_subdev(&core->v4l2_dev, &core->i2c_adap,
1904 "tvaudio", 0, I2C_ADDRS(0xb0 >> 1));
1905 }
1906
1907 switch (core->boardnr) {
1908 case CX88_BOARD_DVICO_FUSIONHDTV_5_GOLD:
1909 case CX88_BOARD_DVICO_FUSIONHDTV_7_GOLD: {
1910 static const struct i2c_board_info rtc_info = {
1911 I2C_BOARD_INFO("isl1208", 0x6f)
1912 };
1913
1914 request_module("rtc-isl1208");
1915 core->i2c_rtc = i2c_new_device(&core->i2c_adap, &rtc_info);
1916 }
1917 /* break intentionally omitted */
1918 case CX88_BOARD_DVICO_FUSIONHDTV_5_PCI_NANO:
1919 request_module("ir-kbd-i2c");
1920 }
1921
1922 /* register v4l devices */
1923 dev->video_dev = cx88_vdev_init(core,dev->pci,
1924 &cx8800_video_template,"video");
1925 video_set_drvdata(dev->video_dev, dev);
1926 err = video_register_device(dev->video_dev,VFL_TYPE_GRABBER,
1927 video_nr[core->nr]);
1928 if (err < 0) {
1929 printk(KERN_ERR "%s/0: can't register video device\n",
1930 core->name);
1931 goto fail_unreg;
1932 }
1933 printk(KERN_INFO "%s/0: registered device %s [v4l2]\n",
1934 core->name, video_device_node_name(dev->video_dev));
1935
1936 dev->vbi_dev = cx88_vdev_init(core,dev->pci,&cx8800_vbi_template,"vbi");
1937 video_set_drvdata(dev->vbi_dev, dev);
1938 err = video_register_device(dev->vbi_dev,VFL_TYPE_VBI,
1939 vbi_nr[core->nr]);
1940 if (err < 0) {
1941 printk(KERN_ERR "%s/0: can't register vbi device\n",
1942 core->name);
1943 goto fail_unreg;
1944 }
1945 printk(KERN_INFO "%s/0: registered device %s\n",
1946 core->name, video_device_node_name(dev->vbi_dev));
1947
1948 if (core->board.radio.type == CX88_RADIO) {
1949 dev->radio_dev = cx88_vdev_init(core,dev->pci,
1950 &cx8800_radio_template,"radio");
1951 video_set_drvdata(dev->radio_dev, dev);
1952 err = video_register_device(dev->radio_dev,VFL_TYPE_RADIO,
1953 radio_nr[core->nr]);
1954 if (err < 0) {
1955 printk(KERN_ERR "%s/0: can't register radio device\n",
1956 core->name);
1957 goto fail_unreg;
1958 }
1959 printk(KERN_INFO "%s/0: registered device %s\n",
1960 core->name, video_device_node_name(dev->radio_dev));
1961 }
1962
1963 /* everything worked */
1964 pci_set_drvdata(pci_dev,dev);
1965
1966 /* initial device configuration */
1967 mutex_lock(&core->lock);
1968 cx88_set_tvnorm(core,core->tvnorm);
1969 init_controls(core);
1970 cx88_video_mux(core,0);
1971 mutex_unlock(&core->lock);
1972
1973 /* start tvaudio thread */
1974 if (core->board.tuner_type != TUNER_ABSENT) {
1975 core->kthread = kthread_run(cx88_audio_thread, core, "cx88 tvaudio");
1976 if (IS_ERR(core->kthread)) {
1977 err = PTR_ERR(core->kthread);
1978 printk(KERN_ERR "%s/0: failed to create cx88 audio thread, err=%d\n",
1979 core->name, err);
1980 }
1981 }
1982 return 0;
1983
1984 fail_unreg:
1985 cx8800_unregister_video(dev);
1986 free_irq(pci_dev->irq, dev);
1987 fail_core:
1988 cx88_core_put(core,dev->pci);
1989 fail_free:
1990 kfree(dev);
1991 return err;
1992 }
1993
1994 static void __devexit cx8800_finidev(struct pci_dev *pci_dev)
1995 {
1996 struct cx8800_dev *dev = pci_get_drvdata(pci_dev);
1997 struct cx88_core *core = dev->core;
1998
1999 /* stop thread */
2000 if (core->kthread) {
2001 kthread_stop(core->kthread);
2002 core->kthread = NULL;
2003 }
2004
2005 if (core->ir)
2006 cx88_ir_stop(core);
2007
2008 cx88_shutdown(core); /* FIXME */
2009 pci_disable_device(pci_dev);
2010
2011 /* unregister stuff */
2012
2013 free_irq(pci_dev->irq, dev);
2014 cx8800_unregister_video(dev);
2015 pci_set_drvdata(pci_dev, NULL);
2016
2017 /* free memory */
2018 btcx_riscmem_free(dev->pci,&dev->vidq.stopper);
2019 cx88_core_put(core,dev->pci);
2020 kfree(dev);
2021 }
2022
2023 #ifdef CONFIG_PM
2024 static int cx8800_suspend(struct pci_dev *pci_dev, pm_message_t state)
2025 {
2026 struct cx8800_dev *dev = pci_get_drvdata(pci_dev);
2027 struct cx88_core *core = dev->core;
2028
2029 /* stop video+vbi capture */
2030 spin_lock(&dev->slock);
2031 if (!list_empty(&dev->vidq.active)) {
2032 printk("%s/0: suspend video\n", core->name);
2033 stop_video_dma(dev);
2034 del_timer(&dev->vidq.timeout);
2035 }
2036 if (!list_empty(&dev->vbiq.active)) {
2037 printk("%s/0: suspend vbi\n", core->name);
2038 cx8800_stop_vbi_dma(dev);
2039 del_timer(&dev->vbiq.timeout);
2040 }
2041 spin_unlock(&dev->slock);
2042
2043 if (core->ir)
2044 cx88_ir_stop(core);
2045 /* FIXME -- shutdown device */
2046 cx88_shutdown(core);
2047
2048 pci_save_state(pci_dev);
2049 if (0 != pci_set_power_state(pci_dev, pci_choose_state(pci_dev, state))) {
2050 pci_disable_device(pci_dev);
2051 dev->state.disabled = 1;
2052 }
2053 return 0;
2054 }
2055
2056 static int cx8800_resume(struct pci_dev *pci_dev)
2057 {
2058 struct cx8800_dev *dev = pci_get_drvdata(pci_dev);
2059 struct cx88_core *core = dev->core;
2060 int err;
2061
2062 if (dev->state.disabled) {
2063 err=pci_enable_device(pci_dev);
2064 if (err) {
2065 printk(KERN_ERR "%s/0: can't enable device\n",
2066 core->name);
2067 return err;
2068 }
2069
2070 dev->state.disabled = 0;
2071 }
2072 err= pci_set_power_state(pci_dev, PCI_D0);
2073 if (err) {
2074 printk(KERN_ERR "%s/0: can't set power state\n", core->name);
2075 pci_disable_device(pci_dev);
2076 dev->state.disabled = 1;
2077
2078 return err;
2079 }
2080 pci_restore_state(pci_dev);
2081
2082 /* FIXME: re-initialize hardware */
2083 cx88_reset(core);
2084 if (core->ir)
2085 cx88_ir_start(core);
2086
2087 cx_set(MO_PCI_INTMSK, core->pci_irqmask);
2088
2089 /* restart video+vbi capture */
2090 spin_lock(&dev->slock);
2091 if (!list_empty(&dev->vidq.active)) {
2092 printk("%s/0: resume video\n", core->name);
2093 restart_video_queue(dev,&dev->vidq);
2094 }
2095 if (!list_empty(&dev->vbiq.active)) {
2096 printk("%s/0: resume vbi\n", core->name);
2097 cx8800_restart_vbi_queue(dev,&dev->vbiq);
2098 }
2099 spin_unlock(&dev->slock);
2100
2101 return 0;
2102 }
2103 #endif
2104
2105 /* ----------------------------------------------------------- */
2106
2107 static const struct pci_device_id cx8800_pci_tbl[] = {
2108 {
2109 .vendor = 0x14f1,
2110 .device = 0x8800,
2111 .subvendor = PCI_ANY_ID,
2112 .subdevice = PCI_ANY_ID,
2113 },{
2114 /* --- end of list --- */
2115 }
2116 };
2117 MODULE_DEVICE_TABLE(pci, cx8800_pci_tbl);
2118
2119 static struct pci_driver cx8800_pci_driver = {
2120 .name = "cx8800",
2121 .id_table = cx8800_pci_tbl,
2122 .probe = cx8800_initdev,
2123 .remove = __devexit_p(cx8800_finidev),
2124 #ifdef CONFIG_PM
2125 .suspend = cx8800_suspend,
2126 .resume = cx8800_resume,
2127 #endif
2128 };
2129
2130 static int __init cx8800_init(void)
2131 {
2132 printk(KERN_INFO "cx88/0: cx2388x v4l2 driver version %d.%d.%d loaded\n",
2133 (CX88_VERSION_CODE >> 16) & 0xff,
2134 (CX88_VERSION_CODE >> 8) & 0xff,
2135 CX88_VERSION_CODE & 0xff);
2136 #ifdef SNAPSHOT
2137 printk(KERN_INFO "cx2388x: snapshot date %04d-%02d-%02d\n",
2138 SNAPSHOT/10000, (SNAPSHOT/100)%100, SNAPSHOT%100);
2139 #endif
2140 return pci_register_driver(&cx8800_pci_driver);
2141 }
2142
2143 static void __exit cx8800_fini(void)
2144 {
2145 pci_unregister_driver(&cx8800_pci_driver);
2146 }
2147
2148 module_init(cx8800_init);
2149 module_exit(cx8800_fini);
2150
2151 /* ----------------------------------------------------------- */
2152 /*
2153 * Local variables:
2154 * c-basic-offset: 8
2155 * End:
2156 * 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
2157 */
kernel source for telekom puls (alcatel/mediatek)