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V4L/DVB (3774): Create V4L1 config options
[deliverable/linux.git] / drivers / media / video / cx88 / cx88-video.c
1 /*
2 *
3 * device driver for Conexant 2388x based TV cards
4 * video4linux video interface
5 *
6 * (c) 2003-04 Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]
7 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
21 */
22
23 #include <linux/init.h>
24 #include <linux/list.h>
25 #include <linux/module.h>
26 #include <linux/moduleparam.h>
27 #include <linux/kmod.h>
28 #include <linux/kernel.h>
29 #include <linux/slab.h>
30 #include <linux/interrupt.h>
31 #include <linux/delay.h>
32 #include <linux/kthread.h>
33 #include <asm/div64.h>
34
35 #include "cx88.h"
36 #include <media/v4l2-common.h>
37
38 #ifdef CONFIG_VIDEO_V4L1_COMPAT
39 /* Include V4L1 specific functions. Should be removed soon */
40 #include <linux/videodev.h>
41 #endif
42
43 MODULE_DESCRIPTION("v4l2 driver module for cx2388x based TV cards");
44 MODULE_AUTHOR("Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]");
45 MODULE_LICENSE("GPL");
46
47 /* ------------------------------------------------------------------ */
48
49 static unsigned int video_nr[] = {[0 ... (CX88_MAXBOARDS - 1)] = UNSET };
50 static unsigned int vbi_nr[] = {[0 ... (CX88_MAXBOARDS - 1)] = UNSET };
51 static unsigned int radio_nr[] = {[0 ... (CX88_MAXBOARDS - 1)] = UNSET };
52
53 module_param_array(video_nr, int, NULL, 0444);
54 module_param_array(vbi_nr, int, NULL, 0444);
55 module_param_array(radio_nr, int, NULL, 0444);
56
57 MODULE_PARM_DESC(video_nr,"video device numbers");
58 MODULE_PARM_DESC(vbi_nr,"vbi device numbers");
59 MODULE_PARM_DESC(radio_nr,"radio device numbers");
60
61 static unsigned int video_debug = 0;
62 module_param(video_debug,int,0644);
63 MODULE_PARM_DESC(video_debug,"enable debug messages [video]");
64
65 static unsigned int irq_debug = 0;
66 module_param(irq_debug,int,0644);
67 MODULE_PARM_DESC(irq_debug,"enable debug messages [IRQ handler]");
68
69 static unsigned int vid_limit = 16;
70 module_param(vid_limit,int,0644);
71 MODULE_PARM_DESC(vid_limit,"capture memory limit in megabytes");
72
73 #define dprintk(level,fmt, arg...) if (video_debug >= level) \
74 printk(KERN_DEBUG "%s/0: " fmt, core->name , ## arg)
75
76 /* ------------------------------------------------------------------ */
77
78 static LIST_HEAD(cx8800_devlist);
79
80 /* ------------------------------------------------------------------- */
81 /* static data */
82
83 static struct cx88_tvnorm tvnorms[] = {
84 {
85 .name = "NTSC-M",
86 .id = V4L2_STD_NTSC_M,
87 .cxiformat = VideoFormatNTSC,
88 .cxoformat = 0x181f0008,
89 },{
90 .name = "NTSC-JP",
91 .id = V4L2_STD_NTSC_M_JP,
92 .cxiformat = VideoFormatNTSCJapan,
93 .cxoformat = 0x181f0008,
94 },{
95 .name = "PAL-BG",
96 .id = V4L2_STD_PAL_BG,
97 .cxiformat = VideoFormatPAL,
98 .cxoformat = 0x181f0008,
99 },{
100 .name = "PAL-DK",
101 .id = V4L2_STD_PAL_DK,
102 .cxiformat = VideoFormatPAL,
103 .cxoformat = 0x181f0008,
104 },{
105 .name = "PAL-I",
106 .id = V4L2_STD_PAL_I,
107 .cxiformat = VideoFormatPAL,
108 .cxoformat = 0x181f0008,
109 },{
110 .name = "PAL-M",
111 .id = V4L2_STD_PAL_M,
112 .cxiformat = VideoFormatPALM,
113 .cxoformat = 0x1c1f0008,
114 },{
115 .name = "PAL-N",
116 .id = V4L2_STD_PAL_N,
117 .cxiformat = VideoFormatPALN,
118 .cxoformat = 0x1c1f0008,
119 },{
120 .name = "PAL-Nc",
121 .id = V4L2_STD_PAL_Nc,
122 .cxiformat = VideoFormatPALNC,
123 .cxoformat = 0x1c1f0008,
124 },{
125 .name = "PAL-60",
126 .id = V4L2_STD_PAL_60,
127 .cxiformat = VideoFormatPAL60,
128 .cxoformat = 0x181f0008,
129 },{
130 .name = "SECAM-L",
131 .id = V4L2_STD_SECAM_L,
132 .cxiformat = VideoFormatSECAM,
133 .cxoformat = 0x181f0008,
134 },{
135 .name = "SECAM-DK",
136 .id = V4L2_STD_SECAM_DK,
137 .cxiformat = VideoFormatSECAM,
138 .cxoformat = 0x181f0008,
139 }
140 };
141
142 static struct cx8800_fmt formats[] = {
143 {
144 .name = "8 bpp, gray",
145 .fourcc = V4L2_PIX_FMT_GREY,
146 .cxformat = ColorFormatY8,
147 .depth = 8,
148 .flags = FORMAT_FLAGS_PACKED,
149 },{
150 .name = "15 bpp RGB, le",
151 .fourcc = V4L2_PIX_FMT_RGB555,
152 .cxformat = ColorFormatRGB15,
153 .depth = 16,
154 .flags = FORMAT_FLAGS_PACKED,
155 },{
156 .name = "15 bpp RGB, be",
157 .fourcc = V4L2_PIX_FMT_RGB555X,
158 .cxformat = ColorFormatRGB15 | ColorFormatBSWAP,
159 .depth = 16,
160 .flags = FORMAT_FLAGS_PACKED,
161 },{
162 .name = "16 bpp RGB, le",
163 .fourcc = V4L2_PIX_FMT_RGB565,
164 .cxformat = ColorFormatRGB16,
165 .depth = 16,
166 .flags = FORMAT_FLAGS_PACKED,
167 },{
168 .name = "16 bpp RGB, be",
169 .fourcc = V4L2_PIX_FMT_RGB565X,
170 .cxformat = ColorFormatRGB16 | ColorFormatBSWAP,
171 .depth = 16,
172 .flags = FORMAT_FLAGS_PACKED,
173 },{
174 .name = "24 bpp RGB, le",
175 .fourcc = V4L2_PIX_FMT_BGR24,
176 .cxformat = ColorFormatRGB24,
177 .depth = 24,
178 .flags = FORMAT_FLAGS_PACKED,
179 },{
180 .name = "32 bpp RGB, le",
181 .fourcc = V4L2_PIX_FMT_BGR32,
182 .cxformat = ColorFormatRGB32,
183 .depth = 32,
184 .flags = FORMAT_FLAGS_PACKED,
185 },{
186 .name = "32 bpp RGB, be",
187 .fourcc = V4L2_PIX_FMT_RGB32,
188 .cxformat = ColorFormatRGB32 | ColorFormatBSWAP | ColorFormatWSWAP,
189 .depth = 32,
190 .flags = FORMAT_FLAGS_PACKED,
191 },{
192 .name = "4:2:2, packed, YUYV",
193 .fourcc = V4L2_PIX_FMT_YUYV,
194 .cxformat = ColorFormatYUY2,
195 .depth = 16,
196 .flags = FORMAT_FLAGS_PACKED,
197 },{
198 .name = "4:2:2, packed, UYVY",
199 .fourcc = V4L2_PIX_FMT_UYVY,
200 .cxformat = ColorFormatYUY2 | ColorFormatBSWAP,
201 .depth = 16,
202 .flags = FORMAT_FLAGS_PACKED,
203 },
204 };
205
206 static struct cx8800_fmt* format_by_fourcc(unsigned int fourcc)
207 {
208 unsigned int i;
209
210 for (i = 0; i < ARRAY_SIZE(formats); i++)
211 if (formats[i].fourcc == fourcc)
212 return formats+i;
213 return NULL;
214 }
215
216 /* ------------------------------------------------------------------- */
217
218 static const struct v4l2_queryctrl no_ctl = {
219 .name = "42",
220 .flags = V4L2_CTRL_FLAG_DISABLED,
221 };
222
223 static struct cx88_ctrl cx8800_ctls[] = {
224 /* --- video --- */
225 {
226 .v = {
227 .id = V4L2_CID_BRIGHTNESS,
228 .name = "Brightness",
229 .minimum = 0x00,
230 .maximum = 0xff,
231 .step = 1,
232 .default_value = 0x7f,
233 .type = V4L2_CTRL_TYPE_INTEGER,
234 },
235 .off = 128,
236 .reg = MO_CONTR_BRIGHT,
237 .mask = 0x00ff,
238 .shift = 0,
239 },{
240 .v = {
241 .id = V4L2_CID_CONTRAST,
242 .name = "Contrast",
243 .minimum = 0,
244 .maximum = 0xff,
245 .step = 1,
246 .default_value = 0x3f,
247 .type = V4L2_CTRL_TYPE_INTEGER,
248 },
249 .off = 0,
250 .reg = MO_CONTR_BRIGHT,
251 .mask = 0xff00,
252 .shift = 8,
253 },{
254 .v = {
255 .id = V4L2_CID_HUE,
256 .name = "Hue",
257 .minimum = 0,
258 .maximum = 0xff,
259 .step = 1,
260 .default_value = 0x7f,
261 .type = V4L2_CTRL_TYPE_INTEGER,
262 },
263 .off = 128,
264 .reg = MO_HUE,
265 .mask = 0x00ff,
266 .shift = 0,
267 },{
268 /* strictly, this only describes only U saturation.
269 * V saturation is handled specially through code.
270 */
271 .v = {
272 .id = V4L2_CID_SATURATION,
273 .name = "Saturation",
274 .minimum = 0,
275 .maximum = 0xff,
276 .step = 1,
277 .default_value = 0x7f,
278 .type = V4L2_CTRL_TYPE_INTEGER,
279 },
280 .off = 0,
281 .reg = MO_UV_SATURATION,
282 .mask = 0x00ff,
283 .shift = 0,
284 },{
285 /* --- audio --- */
286 .v = {
287 .id = V4L2_CID_AUDIO_MUTE,
288 .name = "Mute",
289 .minimum = 0,
290 .maximum = 1,
291 .default_value = 1,
292 .type = V4L2_CTRL_TYPE_BOOLEAN,
293 },
294 .reg = AUD_VOL_CTL,
295 .sreg = SHADOW_AUD_VOL_CTL,
296 .mask = (1 << 6),
297 .shift = 6,
298 },{
299 .v = {
300 .id = V4L2_CID_AUDIO_VOLUME,
301 .name = "Volume",
302 .minimum = 0,
303 .maximum = 0x3f,
304 .step = 1,
305 .default_value = 0x3f,
306 .type = V4L2_CTRL_TYPE_INTEGER,
307 },
308 .reg = AUD_VOL_CTL,
309 .sreg = SHADOW_AUD_VOL_CTL,
310 .mask = 0x3f,
311 .shift = 0,
312 },{
313 .v = {
314 .id = V4L2_CID_AUDIO_BALANCE,
315 .name = "Balance",
316 .minimum = 0,
317 .maximum = 0x7f,
318 .step = 1,
319 .default_value = 0x40,
320 .type = V4L2_CTRL_TYPE_INTEGER,
321 },
322 .reg = AUD_BAL_CTL,
323 .sreg = SHADOW_AUD_BAL_CTL,
324 .mask = 0x7f,
325 .shift = 0,
326 }
327 };
328 static const int CX8800_CTLS = ARRAY_SIZE(cx8800_ctls);
329
330 /* ------------------------------------------------------------------- */
331 /* resource management */
332
333 static int res_get(struct cx8800_dev *dev, struct cx8800_fh *fh, unsigned int bit)
334 {
335 struct cx88_core *core = dev->core;
336 if (fh->resources & bit)
337 /* have it already allocated */
338 return 1;
339
340 /* is it free? */
341 mutex_lock(&core->lock);
342 if (dev->resources & bit) {
343 /* no, someone else uses it */
344 mutex_unlock(&core->lock);
345 return 0;
346 }
347 /* it's free, grab it */
348 fh->resources |= bit;
349 dev->resources |= bit;
350 dprintk(1,"res: get %d\n",bit);
351 mutex_unlock(&core->lock);
352 return 1;
353 }
354
355 static
356 int res_check(struct cx8800_fh *fh, unsigned int bit)
357 {
358 return (fh->resources & bit);
359 }
360
361 static
362 int res_locked(struct cx8800_dev *dev, unsigned int bit)
363 {
364 return (dev->resources & bit);
365 }
366
367 static
368 void res_free(struct cx8800_dev *dev, struct cx8800_fh *fh, unsigned int bits)
369 {
370 struct cx88_core *core = dev->core;
371 BUG_ON((fh->resources & bits) != bits);
372
373 mutex_lock(&core->lock);
374 fh->resources &= ~bits;
375 dev->resources &= ~bits;
376 dprintk(1,"res: put %d\n",bits);
377 mutex_unlock(&core->lock);
378 }
379
380 /* ------------------------------------------------------------------ */
381
382 /* static int video_mux(struct cx8800_dev *dev, unsigned int input) */
383 static int video_mux(struct cx88_core *core, unsigned int input)
384 {
385 /* struct cx88_core *core = dev->core; */
386
387 dprintk(1,"video_mux: %d [vmux=%d,gpio=0x%x,0x%x,0x%x,0x%x]\n",
388 input, INPUT(input)->vmux,
389 INPUT(input)->gpio0,INPUT(input)->gpio1,
390 INPUT(input)->gpio2,INPUT(input)->gpio3);
391 core->input = input;
392 cx_andor(MO_INPUT_FORMAT, 0x03 << 14, INPUT(input)->vmux << 14);
393 cx_write(MO_GP3_IO, INPUT(input)->gpio3);
394 cx_write(MO_GP0_IO, INPUT(input)->gpio0);
395 cx_write(MO_GP1_IO, INPUT(input)->gpio1);
396 cx_write(MO_GP2_IO, INPUT(input)->gpio2);
397
398 switch (INPUT(input)->type) {
399 case CX88_VMUX_SVIDEO:
400 cx_set(MO_AFECFG_IO, 0x00000001);
401 cx_set(MO_INPUT_FORMAT, 0x00010010);
402 cx_set(MO_FILTER_EVEN, 0x00002020);
403 cx_set(MO_FILTER_ODD, 0x00002020);
404 break;
405 default:
406 cx_clear(MO_AFECFG_IO, 0x00000001);
407 cx_clear(MO_INPUT_FORMAT, 0x00010010);
408 cx_clear(MO_FILTER_EVEN, 0x00002020);
409 cx_clear(MO_FILTER_ODD, 0x00002020);
410 break;
411 }
412 return 0;
413 }
414
415 /* ------------------------------------------------------------------ */
416
417 static int start_video_dma(struct cx8800_dev *dev,
418 struct cx88_dmaqueue *q,
419 struct cx88_buffer *buf)
420 {
421 struct cx88_core *core = dev->core;
422
423 /* setup fifo + format */
424 cx88_sram_channel_setup(core, &cx88_sram_channels[SRAM_CH21],
425 buf->bpl, buf->risc.dma);
426 cx88_set_scale(core, buf->vb.width, buf->vb.height, buf->vb.field);
427 cx_write(MO_COLOR_CTRL, buf->fmt->cxformat | ColorFormatGamma);
428
429 /* reset counter */
430 cx_write(MO_VIDY_GPCNTRL,GP_COUNT_CONTROL_RESET);
431 q->count = 1;
432
433 /* enable irqs */
434 cx_set(MO_PCI_INTMSK, core->pci_irqmask | 0x01);
435
436 /* Enables corresponding bits at PCI_INT_STAT:
437 bits 0 to 4: video, audio, transport stream, VIP, Host
438 bit 7: timer
439 bits 8 and 9: DMA complete for: SRC, DST
440 bits 10 and 11: BERR signal asserted for RISC: RD, WR
441 bits 12 to 15: BERR signal asserted for: BRDG, SRC, DST, IPB
442 */
443 cx_set(MO_VID_INTMSK, 0x0f0011);
444
445 /* enable capture */
446 cx_set(VID_CAPTURE_CONTROL,0x06);
447
448 /* start dma */
449 cx_set(MO_DEV_CNTRL2, (1<<5));
450 cx_set(MO_VID_DMACNTRL, 0x11); /* Planar Y and packed FIFO and RISC enable */
451
452 return 0;
453 }
454
455 static int stop_video_dma(struct cx8800_dev *dev)
456 {
457 struct cx88_core *core = dev->core;
458
459 /* stop dma */
460 cx_clear(MO_VID_DMACNTRL, 0x11);
461
462 /* disable capture */
463 cx_clear(VID_CAPTURE_CONTROL,0x06);
464
465 /* disable irqs */
466 cx_clear(MO_PCI_INTMSK, 0x000001);
467 cx_clear(MO_VID_INTMSK, 0x0f0011);
468 return 0;
469 }
470
471 static int restart_video_queue(struct cx8800_dev *dev,
472 struct cx88_dmaqueue *q)
473 {
474 struct cx88_core *core = dev->core;
475 struct cx88_buffer *buf, *prev;
476 struct list_head *item;
477
478 if (!list_empty(&q->active)) {
479 buf = list_entry(q->active.next, struct cx88_buffer, vb.queue);
480 dprintk(2,"restart_queue [%p/%d]: restart dma\n",
481 buf, buf->vb.i);
482 start_video_dma(dev, q, buf);
483 list_for_each(item,&q->active) {
484 buf = list_entry(item, struct cx88_buffer, vb.queue);
485 buf->count = q->count++;
486 }
487 mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT);
488 return 0;
489 }
490
491 prev = NULL;
492 for (;;) {
493 if (list_empty(&q->queued))
494 return 0;
495 buf = list_entry(q->queued.next, struct cx88_buffer, vb.queue);
496 if (NULL == prev) {
497 list_del(&buf->vb.queue);
498 list_add_tail(&buf->vb.queue,&q->active);
499 start_video_dma(dev, q, buf);
500 buf->vb.state = STATE_ACTIVE;
501 buf->count = q->count++;
502 mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT);
503 dprintk(2,"[%p/%d] restart_queue - first active\n",
504 buf,buf->vb.i);
505
506 } else if (prev->vb.width == buf->vb.width &&
507 prev->vb.height == buf->vb.height &&
508 prev->fmt == buf->fmt) {
509 list_del(&buf->vb.queue);
510 list_add_tail(&buf->vb.queue,&q->active);
511 buf->vb.state = STATE_ACTIVE;
512 buf->count = q->count++;
513 prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma);
514 dprintk(2,"[%p/%d] restart_queue - move to active\n",
515 buf,buf->vb.i);
516 } else {
517 return 0;
518 }
519 prev = buf;
520 }
521 }
522
523 /* ------------------------------------------------------------------ */
524
525 static int
526 buffer_setup(struct videobuf_queue *q, unsigned int *count, unsigned int *size)
527 {
528 struct cx8800_fh *fh = q->priv_data;
529
530 *size = fh->fmt->depth*fh->width*fh->height >> 3;
531 if (0 == *count)
532 *count = 32;
533 while (*size * *count > vid_limit * 1024 * 1024)
534 (*count)--;
535 return 0;
536 }
537
538 static int
539 buffer_prepare(struct videobuf_queue *q, struct videobuf_buffer *vb,
540 enum v4l2_field field)
541 {
542 struct cx8800_fh *fh = q->priv_data;
543 struct cx8800_dev *dev = fh->dev;
544 struct cx88_core *core = dev->core;
545 struct cx88_buffer *buf = container_of(vb,struct cx88_buffer,vb);
546 int rc, init_buffer = 0;
547
548 BUG_ON(NULL == fh->fmt);
549 if (fh->width < 48 || fh->width > norm_maxw(core->tvnorm) ||
550 fh->height < 32 || fh->height > norm_maxh(core->tvnorm))
551 return -EINVAL;
552 buf->vb.size = (fh->width * fh->height * fh->fmt->depth) >> 3;
553 if (0 != buf->vb.baddr && buf->vb.bsize < buf->vb.size)
554 return -EINVAL;
555
556 if (buf->fmt != fh->fmt ||
557 buf->vb.width != fh->width ||
558 buf->vb.height != fh->height ||
559 buf->vb.field != field) {
560 buf->fmt = fh->fmt;
561 buf->vb.width = fh->width;
562 buf->vb.height = fh->height;
563 buf->vb.field = field;
564 init_buffer = 1;
565 }
566
567 if (STATE_NEEDS_INIT == buf->vb.state) {
568 init_buffer = 1;
569 if (0 != (rc = videobuf_iolock(q,&buf->vb,NULL)))
570 goto fail;
571 }
572
573 if (init_buffer) {
574 buf->bpl = buf->vb.width * buf->fmt->depth >> 3;
575 switch (buf->vb.field) {
576 case V4L2_FIELD_TOP:
577 cx88_risc_buffer(dev->pci, &buf->risc,
578 buf->vb.dma.sglist, 0, UNSET,
579 buf->bpl, 0, buf->vb.height);
580 break;
581 case V4L2_FIELD_BOTTOM:
582 cx88_risc_buffer(dev->pci, &buf->risc,
583 buf->vb.dma.sglist, UNSET, 0,
584 buf->bpl, 0, buf->vb.height);
585 break;
586 case V4L2_FIELD_INTERLACED:
587 cx88_risc_buffer(dev->pci, &buf->risc,
588 buf->vb.dma.sglist, 0, buf->bpl,
589 buf->bpl, buf->bpl,
590 buf->vb.height >> 1);
591 break;
592 case V4L2_FIELD_SEQ_TB:
593 cx88_risc_buffer(dev->pci, &buf->risc,
594 buf->vb.dma.sglist,
595 0, buf->bpl * (buf->vb.height >> 1),
596 buf->bpl, 0,
597 buf->vb.height >> 1);
598 break;
599 case V4L2_FIELD_SEQ_BT:
600 cx88_risc_buffer(dev->pci, &buf->risc,
601 buf->vb.dma.sglist,
602 buf->bpl * (buf->vb.height >> 1), 0,
603 buf->bpl, 0,
604 buf->vb.height >> 1);
605 break;
606 default:
607 BUG();
608 }
609 }
610 dprintk(2,"[%p/%d] buffer_prepare - %dx%d %dbpp \"%s\" - dma=0x%08lx\n",
611 buf, buf->vb.i,
612 fh->width, fh->height, fh->fmt->depth, fh->fmt->name,
613 (unsigned long)buf->risc.dma);
614
615 buf->vb.state = STATE_PREPARED;
616 return 0;
617
618 fail:
619 cx88_free_buffer(q,buf);
620 return rc;
621 }
622
623 static void
624 buffer_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb)
625 {
626 struct cx88_buffer *buf = container_of(vb,struct cx88_buffer,vb);
627 struct cx88_buffer *prev;
628 struct cx8800_fh *fh = vq->priv_data;
629 struct cx8800_dev *dev = fh->dev;
630 struct cx88_core *core = dev->core;
631 struct cx88_dmaqueue *q = &dev->vidq;
632
633 /* add jump to stopper */
634 buf->risc.jmp[0] = cpu_to_le32(RISC_JUMP | RISC_IRQ1 | RISC_CNT_INC);
635 buf->risc.jmp[1] = cpu_to_le32(q->stopper.dma);
636
637 if (!list_empty(&q->queued)) {
638 list_add_tail(&buf->vb.queue,&q->queued);
639 buf->vb.state = STATE_QUEUED;
640 dprintk(2,"[%p/%d] buffer_queue - append to queued\n",
641 buf, buf->vb.i);
642
643 } else if (list_empty(&q->active)) {
644 list_add_tail(&buf->vb.queue,&q->active);
645 start_video_dma(dev, q, buf);
646 buf->vb.state = STATE_ACTIVE;
647 buf->count = q->count++;
648 mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT);
649 dprintk(2,"[%p/%d] buffer_queue - first active\n",
650 buf, buf->vb.i);
651
652 } else {
653 prev = list_entry(q->active.prev, struct cx88_buffer, vb.queue);
654 if (prev->vb.width == buf->vb.width &&
655 prev->vb.height == buf->vb.height &&
656 prev->fmt == buf->fmt) {
657 list_add_tail(&buf->vb.queue,&q->active);
658 buf->vb.state = STATE_ACTIVE;
659 buf->count = q->count++;
660 prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma);
661 dprintk(2,"[%p/%d] buffer_queue - append to active\n",
662 buf, buf->vb.i);
663
664 } else {
665 list_add_tail(&buf->vb.queue,&q->queued);
666 buf->vb.state = STATE_QUEUED;
667 dprintk(2,"[%p/%d] buffer_queue - first queued\n",
668 buf, buf->vb.i);
669 }
670 }
671 }
672
673 static void buffer_release(struct videobuf_queue *q, struct videobuf_buffer *vb)
674 {
675 struct cx88_buffer *buf = container_of(vb,struct cx88_buffer,vb);
676
677 cx88_free_buffer(q,buf);
678 }
679
680 static struct videobuf_queue_ops cx8800_video_qops = {
681 .buf_setup = buffer_setup,
682 .buf_prepare = buffer_prepare,
683 .buf_queue = buffer_queue,
684 .buf_release = buffer_release,
685 };
686
687 /* ------------------------------------------------------------------ */
688
689
690 /* ------------------------------------------------------------------ */
691
692 static struct videobuf_queue* get_queue(struct cx8800_fh *fh)
693 {
694 switch (fh->type) {
695 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
696 return &fh->vidq;
697 case V4L2_BUF_TYPE_VBI_CAPTURE:
698 return &fh->vbiq;
699 default:
700 BUG();
701 return NULL;
702 }
703 }
704
705 static int get_ressource(struct cx8800_fh *fh)
706 {
707 switch (fh->type) {
708 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
709 return RESOURCE_VIDEO;
710 case V4L2_BUF_TYPE_VBI_CAPTURE:
711 return RESOURCE_VBI;
712 default:
713 BUG();
714 return 0;
715 }
716 }
717
718 static int video_open(struct inode *inode, struct file *file)
719 {
720 int minor = iminor(inode);
721 struct cx8800_dev *h,*dev = NULL;
722 struct cx88_core *core;
723 struct cx8800_fh *fh;
724 struct list_head *list;
725 enum v4l2_buf_type type = 0;
726 int radio = 0;
727
728 list_for_each(list,&cx8800_devlist) {
729 h = list_entry(list, struct cx8800_dev, devlist);
730 if (h->video_dev->minor == minor) {
731 dev = h;
732 type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
733 }
734 if (h->vbi_dev->minor == minor) {
735 dev = h;
736 type = V4L2_BUF_TYPE_VBI_CAPTURE;
737 }
738 if (h->radio_dev &&
739 h->radio_dev->minor == minor) {
740 radio = 1;
741 dev = h;
742 }
743 }
744 if (NULL == dev)
745 return -ENODEV;
746
747 core = dev->core;
748
749 dprintk(1,"open minor=%d radio=%d type=%s\n",
750 minor,radio,v4l2_type_names[type]);
751
752 /* allocate + initialize per filehandle data */
753 fh = kzalloc(sizeof(*fh),GFP_KERNEL);
754 if (NULL == fh)
755 return -ENOMEM;
756 file->private_data = fh;
757 fh->dev = dev;
758 fh->radio = radio;
759 fh->type = type;
760 fh->width = 320;
761 fh->height = 240;
762 fh->fmt = format_by_fourcc(V4L2_PIX_FMT_BGR24);
763
764 videobuf_queue_init(&fh->vidq, &cx8800_video_qops,
765 dev->pci, &dev->slock,
766 V4L2_BUF_TYPE_VIDEO_CAPTURE,
767 V4L2_FIELD_INTERLACED,
768 sizeof(struct cx88_buffer),
769 fh);
770 videobuf_queue_init(&fh->vbiq, &cx8800_vbi_qops,
771 dev->pci, &dev->slock,
772 V4L2_BUF_TYPE_VBI_CAPTURE,
773 V4L2_FIELD_SEQ_TB,
774 sizeof(struct cx88_buffer),
775 fh);
776
777 if (fh->radio) {
778 int board = core->board;
779 dprintk(1,"video_open: setting radio device\n");
780 cx_write(MO_GP3_IO, cx88_boards[board].radio.gpio3);
781 cx_write(MO_GP0_IO, cx88_boards[board].radio.gpio0);
782 cx_write(MO_GP1_IO, cx88_boards[board].radio.gpio1);
783 cx_write(MO_GP2_IO, cx88_boards[board].radio.gpio2);
784 core->tvaudio = WW_FM;
785 cx88_set_tvaudio(core);
786 cx88_set_stereo(core,V4L2_TUNER_MODE_STEREO,1);
787 cx88_call_i2c_clients(core,AUDC_SET_RADIO,NULL);
788 }
789
790 return 0;
791 }
792
793 static ssize_t
794 video_read(struct file *file, char __user *data, size_t count, loff_t *ppos)
795 {
796 struct cx8800_fh *fh = file->private_data;
797
798 switch (fh->type) {
799 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
800 if (res_locked(fh->dev,RESOURCE_VIDEO))
801 return -EBUSY;
802 return videobuf_read_one(&fh->vidq, data, count, ppos,
803 file->f_flags & O_NONBLOCK);
804 case V4L2_BUF_TYPE_VBI_CAPTURE:
805 if (!res_get(fh->dev,fh,RESOURCE_VBI))
806 return -EBUSY;
807 return videobuf_read_stream(&fh->vbiq, data, count, ppos, 1,
808 file->f_flags & O_NONBLOCK);
809 default:
810 BUG();
811 return 0;
812 }
813 }
814
815 static unsigned int
816 video_poll(struct file *file, struct poll_table_struct *wait)
817 {
818 struct cx8800_fh *fh = file->private_data;
819 struct cx88_buffer *buf;
820
821 if (V4L2_BUF_TYPE_VBI_CAPTURE == fh->type) {
822 if (!res_get(fh->dev,fh,RESOURCE_VBI))
823 return POLLERR;
824 return videobuf_poll_stream(file, &fh->vbiq, wait);
825 }
826
827 if (res_check(fh,RESOURCE_VIDEO)) {
828 /* streaming capture */
829 if (list_empty(&fh->vidq.stream))
830 return POLLERR;
831 buf = list_entry(fh->vidq.stream.next,struct cx88_buffer,vb.stream);
832 } else {
833 /* read() capture */
834 buf = (struct cx88_buffer*)fh->vidq.read_buf;
835 if (NULL == buf)
836 return POLLERR;
837 }
838 poll_wait(file, &buf->vb.done, wait);
839 if (buf->vb.state == STATE_DONE ||
840 buf->vb.state == STATE_ERROR)
841 return POLLIN|POLLRDNORM;
842 return 0;
843 }
844
845 static int video_release(struct inode *inode, struct file *file)
846 {
847 struct cx8800_fh *fh = file->private_data;
848 struct cx8800_dev *dev = fh->dev;
849
850 /* turn off overlay */
851 if (res_check(fh, RESOURCE_OVERLAY)) {
852 /* FIXME */
853 res_free(dev,fh,RESOURCE_OVERLAY);
854 }
855
856 /* stop video capture */
857 if (res_check(fh, RESOURCE_VIDEO)) {
858 videobuf_queue_cancel(&fh->vidq);
859 res_free(dev,fh,RESOURCE_VIDEO);
860 }
861 if (fh->vidq.read_buf) {
862 buffer_release(&fh->vidq,fh->vidq.read_buf);
863 kfree(fh->vidq.read_buf);
864 }
865
866 /* stop vbi capture */
867 if (res_check(fh, RESOURCE_VBI)) {
868 if (fh->vbiq.streaming)
869 videobuf_streamoff(&fh->vbiq);
870 if (fh->vbiq.reading)
871 videobuf_read_stop(&fh->vbiq);
872 res_free(dev,fh,RESOURCE_VBI);
873 }
874
875 videobuf_mmap_free(&fh->vidq);
876 videobuf_mmap_free(&fh->vbiq);
877 file->private_data = NULL;
878 kfree(fh);
879
880 cx88_call_i2c_clients (dev->core, TUNER_SET_STANDBY, NULL);
881
882 return 0;
883 }
884
885 static int
886 video_mmap(struct file *file, struct vm_area_struct * vma)
887 {
888 struct cx8800_fh *fh = file->private_data;
889
890 return videobuf_mmap_mapper(get_queue(fh), vma);
891 }
892
893 /* ------------------------------------------------------------------ */
894
895 /* static int get_control(struct cx8800_dev *dev, struct v4l2_control *ctl) */
896 static int get_control(struct cx88_core *core, struct v4l2_control *ctl)
897 {
898 /* struct cx88_core *core = dev->core; */
899 struct cx88_ctrl *c = NULL;
900 u32 value;
901 int i;
902
903 for (i = 0; i < CX8800_CTLS; i++)
904 if (cx8800_ctls[i].v.id == ctl->id)
905 c = &cx8800_ctls[i];
906 if (NULL == c)
907 return -EINVAL;
908
909 value = c->sreg ? cx_sread(c->sreg) : cx_read(c->reg);
910 switch (ctl->id) {
911 case V4L2_CID_AUDIO_BALANCE:
912 ctl->value = ((value & 0x7f) < 0x40) ? ((value & 0x7f) + 0x40)
913 : (0x7f - (value & 0x7f));
914 break;
915 case V4L2_CID_AUDIO_VOLUME:
916 ctl->value = 0x3f - (value & 0x3f);
917 break;
918 default:
919 ctl->value = ((value + (c->off << c->shift)) & c->mask) >> c->shift;
920 break;
921 }
922 dprintk(1,"get_control id=0x%X(%s) ctrl=0x%02x, reg=0x%02x val=0x%02x (mask 0x%02x)%s\n",
923 ctl->id, c->v.name, ctl->value, c->reg,
924 value,c->mask, c->sreg ? " [shadowed]" : "");
925 return 0;
926 }
927
928 /* static int set_control(struct cx8800_dev *dev, struct v4l2_control *ctl) */
929 static int set_control(struct cx88_core *core, struct v4l2_control *ctl)
930 {
931 /* struct cx88_core *core = dev->core; */
932 struct cx88_ctrl *c = NULL;
933 u32 value,mask;
934 int i;
935 for (i = 0; i < CX8800_CTLS; i++) {
936 if (cx8800_ctls[i].v.id == ctl->id) {
937 c = &cx8800_ctls[i];
938 }
939 }
940 if (NULL == c)
941 return -EINVAL;
942
943 if (ctl->value < c->v.minimum)
944 ctl->value = c->v.minimum;
945 if (ctl->value > c->v.maximum)
946 ctl->value = c->v.maximum;
947 mask=c->mask;
948 switch (ctl->id) {
949 case V4L2_CID_AUDIO_BALANCE:
950 value = (ctl->value < 0x40) ? (0x7f - ctl->value) : (ctl->value - 0x40);
951 break;
952 case V4L2_CID_AUDIO_VOLUME:
953 value = 0x3f - (ctl->value & 0x3f);
954 break;
955 case V4L2_CID_SATURATION:
956 /* special v_sat handling */
957
958 value = ((ctl->value - c->off) << c->shift) & c->mask;
959
960 if (core->tvnorm->id & V4L2_STD_SECAM) {
961 /* For SECAM, both U and V sat should be equal */
962 value=value<<8|value;
963 } else {
964 /* Keeps U Saturation proportional to V Sat */
965 value=(value*0x5a)/0x7f<<8|value;
966 }
967 mask=0xffff;
968 break;
969 default:
970 value = ((ctl->value - c->off) << c->shift) & c->mask;
971 break;
972 }
973 dprintk(1,"set_control id=0x%X(%s) ctrl=0x%02x, reg=0x%02x val=0x%02x (mask 0x%02x)%s\n",
974 ctl->id, c->v.name, ctl->value, c->reg, value,
975 mask, c->sreg ? " [shadowed]" : "");
976 if (c->sreg) {
977 cx_sandor(c->sreg, c->reg, mask, value);
978 } else {
979 cx_andor(c->reg, mask, value);
980 }
981 return 0;
982 }
983
984 static void init_controls(struct cx88_core *core)
985 {
986 struct v4l2_control ctrl;
987 int i;
988
989 for (i = 0; i < CX8800_CTLS; i++) {
990 ctrl.id=cx8800_ctls[i].v.id;
991 ctrl.value=cx8800_ctls[i].v.default_value;
992 set_control(core, &ctrl);
993 }
994 }
995
996 /* ------------------------------------------------------------------ */
997
998 static int cx8800_g_fmt(struct cx8800_dev *dev, struct cx8800_fh *fh,
999 struct v4l2_format *f)
1000 {
1001 switch (f->type) {
1002 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
1003 memset(&f->fmt.pix,0,sizeof(f->fmt.pix));
1004 f->fmt.pix.width = fh->width;
1005 f->fmt.pix.height = fh->height;
1006 f->fmt.pix.field = fh->vidq.field;
1007 f->fmt.pix.pixelformat = fh->fmt->fourcc;
1008 f->fmt.pix.bytesperline =
1009 (f->fmt.pix.width * fh->fmt->depth) >> 3;
1010 f->fmt.pix.sizeimage =
1011 f->fmt.pix.height * f->fmt.pix.bytesperline;
1012 return 0;
1013 case V4L2_BUF_TYPE_VBI_CAPTURE:
1014 cx8800_vbi_fmt(dev, f);
1015 return 0;
1016 default:
1017 return -EINVAL;
1018 }
1019 }
1020
1021 static int cx8800_try_fmt(struct cx8800_dev *dev, struct cx8800_fh *fh,
1022 struct v4l2_format *f)
1023 {
1024 struct cx88_core *core = dev->core;
1025
1026 switch (f->type) {
1027 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
1028 {
1029 struct cx8800_fmt *fmt;
1030 enum v4l2_field field;
1031 unsigned int maxw, maxh;
1032
1033 fmt = format_by_fourcc(f->fmt.pix.pixelformat);
1034 if (NULL == fmt)
1035 return -EINVAL;
1036
1037 field = f->fmt.pix.field;
1038 maxw = norm_maxw(core->tvnorm);
1039 maxh = norm_maxh(core->tvnorm);
1040
1041 if (V4L2_FIELD_ANY == field) {
1042 field = (f->fmt.pix.height > maxh/2)
1043 ? V4L2_FIELD_INTERLACED
1044 : V4L2_FIELD_BOTTOM;
1045 }
1046
1047 switch (field) {
1048 case V4L2_FIELD_TOP:
1049 case V4L2_FIELD_BOTTOM:
1050 maxh = maxh / 2;
1051 break;
1052 case V4L2_FIELD_INTERLACED:
1053 break;
1054 default:
1055 return -EINVAL;
1056 }
1057
1058 f->fmt.pix.field = field;
1059 if (f->fmt.pix.height < 32)
1060 f->fmt.pix.height = 32;
1061 if (f->fmt.pix.height > maxh)
1062 f->fmt.pix.height = maxh;
1063 if (f->fmt.pix.width < 48)
1064 f->fmt.pix.width = 48;
1065 if (f->fmt.pix.width > maxw)
1066 f->fmt.pix.width = maxw;
1067 f->fmt.pix.width &= ~0x03;
1068 f->fmt.pix.bytesperline =
1069 (f->fmt.pix.width * fmt->depth) >> 3;
1070 f->fmt.pix.sizeimage =
1071 f->fmt.pix.height * f->fmt.pix.bytesperline;
1072
1073 return 0;
1074 }
1075 case V4L2_BUF_TYPE_VBI_CAPTURE:
1076 cx8800_vbi_fmt(dev, f);
1077 return 0;
1078 default:
1079 return -EINVAL;
1080 }
1081 }
1082
1083 static int cx8800_s_fmt(struct cx8800_dev *dev, struct cx8800_fh *fh,
1084 struct v4l2_format *f)
1085 {
1086 int err;
1087
1088 switch (f->type) {
1089 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
1090 err = cx8800_try_fmt(dev,fh,f);
1091 if (0 != err)
1092 return err;
1093
1094 fh->fmt = format_by_fourcc(f->fmt.pix.pixelformat);
1095 fh->width = f->fmt.pix.width;
1096 fh->height = f->fmt.pix.height;
1097 fh->vidq.field = f->fmt.pix.field;
1098 return 0;
1099 case V4L2_BUF_TYPE_VBI_CAPTURE:
1100 cx8800_vbi_fmt(dev, f);
1101 return 0;
1102 default:
1103 return -EINVAL;
1104 }
1105 }
1106
1107 /*
1108 * This function is _not_ called directly, but from
1109 * video_generic_ioctl (and maybe others). userspace
1110 * copying is done already, arg is a kernel pointer.
1111 */
1112 static int video_do_ioctl(struct inode *inode, struct file *file,
1113 unsigned int cmd, void *arg)
1114 {
1115 struct cx8800_fh *fh = file->private_data;
1116 struct cx8800_dev *dev = fh->dev;
1117 struct cx88_core *core = dev->core;
1118 int err;
1119
1120 if (video_debug > 1)
1121 v4l_print_ioctl(core->name,cmd);
1122 switch (cmd) {
1123
1124 /* --- capabilities ------------------------------------------ */
1125 case VIDIOC_QUERYCAP:
1126 {
1127 struct v4l2_capability *cap = arg;
1128
1129 memset(cap,0,sizeof(*cap));
1130 strcpy(cap->driver, "cx8800");
1131 strlcpy(cap->card, cx88_boards[core->board].name,
1132 sizeof(cap->card));
1133 sprintf(cap->bus_info,"PCI:%s",pci_name(dev->pci));
1134 cap->version = CX88_VERSION_CODE;
1135 cap->capabilities =
1136 V4L2_CAP_VIDEO_CAPTURE |
1137 V4L2_CAP_READWRITE |
1138 V4L2_CAP_STREAMING |
1139 V4L2_CAP_VBI_CAPTURE |
1140 V4L2_CAP_VIDEO_OVERLAY |
1141 0;
1142 if (UNSET != core->tuner_type)
1143 cap->capabilities |= V4L2_CAP_TUNER;
1144 return 0;
1145 }
1146
1147 /* --- capture ioctls ---------------------------------------- */
1148 case VIDIOC_ENUM_FMT:
1149 {
1150 struct v4l2_fmtdesc *f = arg;
1151 enum v4l2_buf_type type;
1152 unsigned int index;
1153
1154 index = f->index;
1155 type = f->type;
1156 switch (type) {
1157 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
1158 if (index >= ARRAY_SIZE(formats))
1159 return -EINVAL;
1160 memset(f,0,sizeof(*f));
1161 f->index = index;
1162 f->type = type;
1163 strlcpy(f->description,formats[index].name,sizeof(f->description));
1164 f->pixelformat = formats[index].fourcc;
1165 break;
1166 default:
1167 return -EINVAL;
1168 }
1169 return 0;
1170 }
1171 case VIDIOC_G_FMT:
1172 {
1173 struct v4l2_format *f = arg;
1174 return cx8800_g_fmt(dev,fh,f);
1175 }
1176 case VIDIOC_S_FMT:
1177 {
1178 struct v4l2_format *f = arg;
1179 return cx8800_s_fmt(dev,fh,f);
1180 }
1181 case VIDIOC_TRY_FMT:
1182 {
1183 struct v4l2_format *f = arg;
1184 return cx8800_try_fmt(dev,fh,f);
1185 }
1186 #ifdef HAVE_V4L1
1187 /* --- streaming capture ------------------------------------- */
1188 case VIDIOCGMBUF:
1189 {
1190 struct video_mbuf *mbuf = arg;
1191 struct videobuf_queue *q;
1192 struct v4l2_requestbuffers req;
1193 unsigned int i;
1194
1195 q = get_queue(fh);
1196 memset(&req,0,sizeof(req));
1197 req.type = q->type;
1198 req.count = 8;
1199 req.memory = V4L2_MEMORY_MMAP;
1200 err = videobuf_reqbufs(q,&req);
1201 if (err < 0)
1202 return err;
1203 memset(mbuf,0,sizeof(*mbuf));
1204 mbuf->frames = req.count;
1205 mbuf->size = 0;
1206 for (i = 0; i < mbuf->frames; i++) {
1207 mbuf->offsets[i] = q->bufs[i]->boff;
1208 mbuf->size += q->bufs[i]->bsize;
1209 }
1210 return 0;
1211 }
1212 #endif
1213 case VIDIOC_REQBUFS:
1214 return videobuf_reqbufs(get_queue(fh), arg);
1215
1216 case VIDIOC_QUERYBUF:
1217 return videobuf_querybuf(get_queue(fh), arg);
1218
1219 case VIDIOC_QBUF:
1220 return videobuf_qbuf(get_queue(fh), arg);
1221
1222 case VIDIOC_DQBUF:
1223 return videobuf_dqbuf(get_queue(fh), arg,
1224 file->f_flags & O_NONBLOCK);
1225
1226 case VIDIOC_STREAMON:
1227 {
1228 int res = get_ressource(fh);
1229
1230 if (!res_get(dev,fh,res))
1231 return -EBUSY;
1232 return videobuf_streamon(get_queue(fh));
1233 }
1234 case VIDIOC_STREAMOFF:
1235 {
1236 int res = get_ressource(fh);
1237
1238 err = videobuf_streamoff(get_queue(fh));
1239 if (err < 0)
1240 return err;
1241 res_free(dev,fh,res);
1242 return 0;
1243 }
1244 default:
1245 return cx88_do_ioctl( inode, file, fh->radio, core, cmd, arg, video_do_ioctl );
1246 }
1247 return 0;
1248 }
1249
1250 int cx88_do_ioctl(struct inode *inode, struct file *file, int radio,
1251 struct cx88_core *core, unsigned int cmd, void *arg, v4l2_kioctl driver_ioctl)
1252 {
1253 int err;
1254
1255 if (video_debug) {
1256 if (video_debug > 1) {
1257 if (_IOC_DIR(cmd) & _IOC_WRITE)
1258 v4l_printk_ioctl_arg("cx88(w)",cmd, arg);
1259 else if (!_IOC_DIR(cmd) & _IOC_READ) {
1260 v4l_print_ioctl("cx88", cmd);
1261 }
1262 } else
1263 v4l_print_ioctl(core->name,cmd);
1264
1265 }
1266
1267 switch (cmd) {
1268 /* ---------- tv norms ---------- */
1269 case VIDIOC_ENUMSTD:
1270 {
1271 struct v4l2_standard *e = arg;
1272 unsigned int i;
1273
1274 i = e->index;
1275 if (i >= ARRAY_SIZE(tvnorms))
1276 return -EINVAL;
1277 err = v4l2_video_std_construct(e, tvnorms[e->index].id,
1278 tvnorms[e->index].name);
1279 e->index = i;
1280 if (err < 0)
1281 return err;
1282 return 0;
1283 }
1284 case VIDIOC_G_STD:
1285 {
1286 v4l2_std_id *id = arg;
1287
1288 *id = core->tvnorm->id;
1289 return 0;
1290 }
1291 case VIDIOC_S_STD:
1292 {
1293 v4l2_std_id *id = arg;
1294 unsigned int i;
1295
1296 for(i = 0; i < ARRAY_SIZE(tvnorms); i++)
1297 if (*id & tvnorms[i].id)
1298 break;
1299 if (i == ARRAY_SIZE(tvnorms))
1300 return -EINVAL;
1301
1302 mutex_lock(&core->lock);
1303 cx88_set_tvnorm(core,&tvnorms[i]);
1304 mutex_unlock(&core->lock);
1305 return 0;
1306 }
1307
1308 /* ------ input switching ---------- */
1309 case VIDIOC_ENUMINPUT:
1310 {
1311 static const char *iname[] = {
1312 [ CX88_VMUX_COMPOSITE1 ] = "Composite1",
1313 [ CX88_VMUX_COMPOSITE2 ] = "Composite2",
1314 [ CX88_VMUX_COMPOSITE3 ] = "Composite3",
1315 [ CX88_VMUX_COMPOSITE4 ] = "Composite4",
1316 [ CX88_VMUX_SVIDEO ] = "S-Video",
1317 [ CX88_VMUX_TELEVISION ] = "Television",
1318 [ CX88_VMUX_CABLE ] = "Cable TV",
1319 [ CX88_VMUX_DVB ] = "DVB",
1320 [ CX88_VMUX_DEBUG ] = "for debug only",
1321 };
1322 struct v4l2_input *i = arg;
1323 unsigned int n;
1324
1325 n = i->index;
1326 if (n >= 4)
1327 return -EINVAL;
1328 if (0 == INPUT(n)->type)
1329 return -EINVAL;
1330 memset(i,0,sizeof(*i));
1331 i->index = n;
1332 i->type = V4L2_INPUT_TYPE_CAMERA;
1333 strcpy(i->name,iname[INPUT(n)->type]);
1334 if ((CX88_VMUX_TELEVISION == INPUT(n)->type) ||
1335 (CX88_VMUX_CABLE == INPUT(n)->type))
1336 i->type = V4L2_INPUT_TYPE_TUNER;
1337 for (n = 0; n < ARRAY_SIZE(tvnorms); n++)
1338 i->std |= tvnorms[n].id;
1339 return 0;
1340 }
1341 case VIDIOC_G_INPUT:
1342 {
1343 unsigned int *i = arg;
1344
1345 *i = core->input;
1346 return 0;
1347 }
1348 case VIDIOC_S_INPUT:
1349 {
1350 unsigned int *i = arg;
1351
1352 if (*i >= 4)
1353 return -EINVAL;
1354 mutex_lock(&core->lock);
1355 cx88_newstation(core);
1356 video_mux(core,*i);
1357 mutex_unlock(&core->lock);
1358 return 0;
1359 }
1360
1361
1362
1363 /* --- controls ---------------------------------------------- */
1364 case VIDIOC_QUERYCTRL:
1365 {
1366 struct v4l2_queryctrl *c = arg;
1367 int i;
1368
1369 if (c->id < V4L2_CID_BASE ||
1370 c->id >= V4L2_CID_LASTP1)
1371 return -EINVAL;
1372 for (i = 0; i < CX8800_CTLS; i++)
1373 if (cx8800_ctls[i].v.id == c->id)
1374 break;
1375 if (i == CX8800_CTLS) {
1376 *c = no_ctl;
1377 return 0;
1378 }
1379 *c = cx8800_ctls[i].v;
1380 return 0;
1381 }
1382 case VIDIOC_G_CTRL:
1383 return get_control(core,arg);
1384 case VIDIOC_S_CTRL:
1385 return set_control(core,arg);
1386
1387 /* --- tuner ioctls ------------------------------------------ */
1388 case VIDIOC_G_TUNER:
1389 {
1390 struct v4l2_tuner *t = arg;
1391 u32 reg;
1392
1393 if (UNSET == core->tuner_type)
1394 return -EINVAL;
1395 if (0 != t->index)
1396 return -EINVAL;
1397
1398 memset(t,0,sizeof(*t));
1399 strcpy(t->name, "Television");
1400 t->type = V4L2_TUNER_ANALOG_TV;
1401 t->capability = V4L2_TUNER_CAP_NORM;
1402 t->rangehigh = 0xffffffffUL;
1403
1404 cx88_get_stereo(core ,t);
1405 reg = cx_read(MO_DEVICE_STATUS);
1406 t->signal = (reg & (1<<5)) ? 0xffff : 0x0000;
1407 return 0;
1408 }
1409 case VIDIOC_S_TUNER:
1410 {
1411 struct v4l2_tuner *t = arg;
1412
1413 if (UNSET == core->tuner_type)
1414 return -EINVAL;
1415 if (0 != t->index)
1416 return -EINVAL;
1417 cx88_set_stereo(core, t->audmode, 1);
1418 return 0;
1419 }
1420 case VIDIOC_G_FREQUENCY:
1421 {
1422 struct v4l2_frequency *f = arg;
1423
1424 memset(f,0,sizeof(*f));
1425
1426 if (UNSET == core->tuner_type)
1427 return -EINVAL;
1428
1429 /* f->type = fh->radio ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV; */
1430 f->type = radio ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV;
1431 f->frequency = core->freq;
1432
1433 cx88_call_i2c_clients(core,VIDIOC_G_FREQUENCY,f);
1434
1435 return 0;
1436 }
1437 case VIDIOC_S_FREQUENCY:
1438 {
1439 struct v4l2_frequency *f = arg;
1440
1441 if (UNSET == core->tuner_type)
1442 return -EINVAL;
1443 if (f->tuner != 0)
1444 return -EINVAL;
1445 if (0 == radio && f->type != V4L2_TUNER_ANALOG_TV)
1446 return -EINVAL;
1447 if (1 == radio && f->type != V4L2_TUNER_RADIO)
1448 return -EINVAL;
1449 mutex_lock(&core->lock);
1450 core->freq = f->frequency;
1451 cx88_newstation(core);
1452 cx88_call_i2c_clients(core,VIDIOC_S_FREQUENCY,f);
1453
1454 /* When changing channels it is required to reset TVAUDIO */
1455 msleep (10);
1456 cx88_set_tvaudio(core);
1457
1458 mutex_unlock(&core->lock);
1459 return 0;
1460 }
1461
1462 default:
1463 return v4l_compat_translate_ioctl(inode,file,cmd,arg,
1464 driver_ioctl);
1465 }
1466 return 0;
1467 }
1468
1469 static int video_ioctl(struct inode *inode, struct file *file,
1470 unsigned int cmd, unsigned long arg)
1471 {
1472 int retval;
1473
1474 retval=video_usercopy(inode, file, cmd, arg, video_do_ioctl);
1475
1476 if (video_debug > 1) {
1477 if (retval < 0) {
1478 v4l_print_ioctl("cx88(err)", cmd);
1479 printk(KERN_DEBUG "cx88(err): errcode=%d\n",retval);
1480 } else if (_IOC_DIR(cmd) & _IOC_READ)
1481 v4l_printk_ioctl_arg("cx88(r)",cmd, (void *)arg);
1482 }
1483
1484 return retval;
1485 }
1486
1487 /* ----------------------------------------------------------- */
1488
1489 static int radio_do_ioctl(struct inode *inode, struct file *file,
1490 unsigned int cmd, void *arg)
1491 {
1492 struct cx8800_fh *fh = file->private_data;
1493 struct cx8800_dev *dev = fh->dev;
1494 struct cx88_core *core = dev->core;
1495
1496 if (video_debug > 1)
1497 v4l_print_ioctl(core->name,cmd);
1498
1499 switch (cmd) {
1500 case VIDIOC_QUERYCAP:
1501 {
1502 struct v4l2_capability *cap = arg;
1503
1504 memset(cap,0,sizeof(*cap));
1505 strcpy(cap->driver, "cx8800");
1506 strlcpy(cap->card, cx88_boards[core->board].name,
1507 sizeof(cap->card));
1508 sprintf(cap->bus_info,"PCI:%s", pci_name(dev->pci));
1509 cap->version = CX88_VERSION_CODE;
1510 cap->capabilities = V4L2_CAP_TUNER;
1511 return 0;
1512 }
1513 case VIDIOC_G_TUNER:
1514 {
1515 struct v4l2_tuner *t = arg;
1516
1517 if (t->index > 0)
1518 return -EINVAL;
1519
1520 memset(t,0,sizeof(*t));
1521 strcpy(t->name, "Radio");
1522 t->type = V4L2_TUNER_RADIO;
1523
1524 cx88_call_i2c_clients(core,VIDIOC_G_TUNER,t);
1525 return 0;
1526 }
1527 case VIDIOC_ENUMINPUT:
1528 {
1529 struct v4l2_input *i = arg;
1530
1531 if (i->index != 0)
1532 return -EINVAL;
1533 strcpy(i->name,"Radio");
1534 i->type = V4L2_INPUT_TYPE_TUNER;
1535 return 0;
1536 }
1537 case VIDIOC_G_INPUT:
1538 {
1539 int *i = arg;
1540 *i = 0;
1541 return 0;
1542 }
1543 case VIDIOC_G_AUDIO:
1544 {
1545 struct v4l2_audio *a = arg;
1546
1547 memset(a,0,sizeof(*a));
1548 strcpy(a->name,"Radio");
1549 return 0;
1550 }
1551 case VIDIOC_G_STD:
1552 {
1553 v4l2_std_id *id = arg;
1554 *id = 0;
1555 return 0;
1556 }
1557 #ifdef HAVE_V4L1
1558 case VIDIOCSTUNER:
1559 {
1560 struct video_tuner *v = arg;
1561
1562 if (v->tuner) /* Only tuner 0 */
1563 return -EINVAL;
1564
1565 cx88_call_i2c_clients(core,VIDIOCSTUNER,v);
1566 return 0;
1567 }
1568 #endif
1569 case VIDIOC_S_TUNER:
1570 {
1571 struct v4l2_tuner *t = arg;
1572
1573 if (0 != t->index)
1574 return -EINVAL;
1575
1576 cx88_call_i2c_clients(core,VIDIOC_S_TUNER,t);
1577
1578 return 0;
1579 }
1580
1581 case VIDIOC_S_AUDIO:
1582 case VIDIOC_S_INPUT:
1583 case VIDIOC_S_STD:
1584 return 0;
1585
1586 case VIDIOC_QUERYCTRL:
1587 {
1588 struct v4l2_queryctrl *c = arg;
1589 int i;
1590
1591 if (c->id < V4L2_CID_BASE ||
1592 c->id >= V4L2_CID_LASTP1)
1593 return -EINVAL;
1594 if (c->id == V4L2_CID_AUDIO_MUTE) {
1595 for (i = 0; i < CX8800_CTLS; i++)
1596 if (cx8800_ctls[i].v.id == c->id)
1597 break;
1598 *c = cx8800_ctls[i].v;
1599 } else
1600 *c = no_ctl;
1601 return 0;
1602 }
1603
1604
1605 case VIDIOC_G_CTRL:
1606 case VIDIOC_S_CTRL:
1607 case VIDIOC_G_FREQUENCY:
1608 case VIDIOC_S_FREQUENCY:
1609 return video_do_ioctl(inode,file,cmd,arg);
1610
1611 default:
1612 return v4l_compat_translate_ioctl(inode,file,cmd,arg,
1613 radio_do_ioctl);
1614 }
1615 return 0;
1616 };
1617
1618 static int radio_ioctl(struct inode *inode, struct file *file,
1619 unsigned int cmd, unsigned long arg)
1620 {
1621 return video_usercopy(inode, file, cmd, arg, radio_do_ioctl);
1622 };
1623
1624 /* ----------------------------------------------------------- */
1625
1626 static void cx8800_vid_timeout(unsigned long data)
1627 {
1628 struct cx8800_dev *dev = (struct cx8800_dev*)data;
1629 struct cx88_core *core = dev->core;
1630 struct cx88_dmaqueue *q = &dev->vidq;
1631 struct cx88_buffer *buf;
1632 unsigned long flags;
1633
1634 cx88_sram_channel_dump(core, &cx88_sram_channels[SRAM_CH21]);
1635
1636 cx_clear(MO_VID_DMACNTRL, 0x11);
1637 cx_clear(VID_CAPTURE_CONTROL, 0x06);
1638
1639 spin_lock_irqsave(&dev->slock,flags);
1640 while (!list_empty(&q->active)) {
1641 buf = list_entry(q->active.next, struct cx88_buffer, vb.queue);
1642 list_del(&buf->vb.queue);
1643 buf->vb.state = STATE_ERROR;
1644 wake_up(&buf->vb.done);
1645 printk("%s/0: [%p/%d] timeout - dma=0x%08lx\n", core->name,
1646 buf, buf->vb.i, (unsigned long)buf->risc.dma);
1647 }
1648 restart_video_queue(dev,q);
1649 spin_unlock_irqrestore(&dev->slock,flags);
1650 }
1651
1652 static char *cx88_vid_irqs[32] = {
1653 "y_risci1", "u_risci1", "v_risci1", "vbi_risc1",
1654 "y_risci2", "u_risci2", "v_risci2", "vbi_risc2",
1655 "y_oflow", "u_oflow", "v_oflow", "vbi_oflow",
1656 "y_sync", "u_sync", "v_sync", "vbi_sync",
1657 "opc_err", "par_err", "rip_err", "pci_abort",
1658 };
1659
1660 static void cx8800_vid_irq(struct cx8800_dev *dev)
1661 {
1662 struct cx88_core *core = dev->core;
1663 u32 status, mask, count;
1664
1665 status = cx_read(MO_VID_INTSTAT);
1666 mask = cx_read(MO_VID_INTMSK);
1667 if (0 == (status & mask))
1668 return;
1669 cx_write(MO_VID_INTSTAT, status);
1670 if (irq_debug || (status & mask & ~0xff))
1671 cx88_print_irqbits(core->name, "irq vid",
1672 cx88_vid_irqs, status, mask);
1673
1674 /* risc op code error */
1675 if (status & (1 << 16)) {
1676 printk(KERN_WARNING "%s/0: video risc op code error\n",core->name);
1677 cx_clear(MO_VID_DMACNTRL, 0x11);
1678 cx_clear(VID_CAPTURE_CONTROL, 0x06);
1679 cx88_sram_channel_dump(core, &cx88_sram_channels[SRAM_CH21]);
1680 }
1681
1682 /* risc1 y */
1683 if (status & 0x01) {
1684 spin_lock(&dev->slock);
1685 count = cx_read(MO_VIDY_GPCNT);
1686 cx88_wakeup(core, &dev->vidq, count);
1687 spin_unlock(&dev->slock);
1688 }
1689
1690 /* risc1 vbi */
1691 if (status & 0x08) {
1692 spin_lock(&dev->slock);
1693 count = cx_read(MO_VBI_GPCNT);
1694 cx88_wakeup(core, &dev->vbiq, count);
1695 spin_unlock(&dev->slock);
1696 }
1697
1698 /* risc2 y */
1699 if (status & 0x10) {
1700 dprintk(2,"stopper video\n");
1701 spin_lock(&dev->slock);
1702 restart_video_queue(dev,&dev->vidq);
1703 spin_unlock(&dev->slock);
1704 }
1705
1706 /* risc2 vbi */
1707 if (status & 0x80) {
1708 dprintk(2,"stopper vbi\n");
1709 spin_lock(&dev->slock);
1710 cx8800_restart_vbi_queue(dev,&dev->vbiq);
1711 spin_unlock(&dev->slock);
1712 }
1713 }
1714
1715 static irqreturn_t cx8800_irq(int irq, void *dev_id, struct pt_regs *regs)
1716 {
1717 struct cx8800_dev *dev = dev_id;
1718 struct cx88_core *core = dev->core;
1719 u32 status;
1720 int loop, handled = 0;
1721
1722 for (loop = 0; loop < 10; loop++) {
1723 status = cx_read(MO_PCI_INTSTAT) & (core->pci_irqmask | 0x01);
1724 if (0 == status)
1725 goto out;
1726 cx_write(MO_PCI_INTSTAT, status);
1727 handled = 1;
1728
1729 if (status & core->pci_irqmask)
1730 cx88_core_irq(core,status);
1731 if (status & 0x01)
1732 cx8800_vid_irq(dev);
1733 };
1734 if (10 == loop) {
1735 printk(KERN_WARNING "%s/0: irq loop -- clearing mask\n",
1736 core->name);
1737 cx_write(MO_PCI_INTMSK,0);
1738 }
1739
1740 out:
1741 return IRQ_RETVAL(handled);
1742 }
1743
1744 /* ----------------------------------------------------------- */
1745 /* exported stuff */
1746
1747 static struct file_operations video_fops =
1748 {
1749 .owner = THIS_MODULE,
1750 .open = video_open,
1751 .release = video_release,
1752 .read = video_read,
1753 .poll = video_poll,
1754 .mmap = video_mmap,
1755 .ioctl = video_ioctl,
1756 .compat_ioctl = v4l_compat_ioctl32,
1757 .llseek = no_llseek,
1758 };
1759
1760 static struct video_device cx8800_video_template =
1761 {
1762 .name = "cx8800-video",
1763 .type = VID_TYPE_CAPTURE|VID_TYPE_TUNER|VID_TYPE_SCALES,
1764 .hardware = 0,
1765 .fops = &video_fops,
1766 .minor = -1,
1767 };
1768
1769 static struct video_device cx8800_vbi_template =
1770 {
1771 .name = "cx8800-vbi",
1772 .type = VID_TYPE_TELETEXT|VID_TYPE_TUNER,
1773 .hardware = 0,
1774 .fops = &video_fops,
1775 .minor = -1,
1776 };
1777
1778 static struct file_operations radio_fops =
1779 {
1780 .owner = THIS_MODULE,
1781 .open = video_open,
1782 .release = video_release,
1783 .ioctl = radio_ioctl,
1784 .compat_ioctl = v4l_compat_ioctl32,
1785 .llseek = no_llseek,
1786 };
1787
1788 static struct video_device cx8800_radio_template =
1789 {
1790 .name = "cx8800-radio",
1791 .type = VID_TYPE_TUNER,
1792 .hardware = 0,
1793 .fops = &radio_fops,
1794 .minor = -1,
1795 };
1796
1797 /* ----------------------------------------------------------- */
1798
1799 static void cx8800_unregister_video(struct cx8800_dev *dev)
1800 {
1801 if (dev->radio_dev) {
1802 if (-1 != dev->radio_dev->minor)
1803 video_unregister_device(dev->radio_dev);
1804 else
1805 video_device_release(dev->radio_dev);
1806 dev->radio_dev = NULL;
1807 }
1808 if (dev->vbi_dev) {
1809 if (-1 != dev->vbi_dev->minor)
1810 video_unregister_device(dev->vbi_dev);
1811 else
1812 video_device_release(dev->vbi_dev);
1813 dev->vbi_dev = NULL;
1814 }
1815 if (dev->video_dev) {
1816 if (-1 != dev->video_dev->minor)
1817 video_unregister_device(dev->video_dev);
1818 else
1819 video_device_release(dev->video_dev);
1820 dev->video_dev = NULL;
1821 }
1822 }
1823
1824 static int __devinit cx8800_initdev(struct pci_dev *pci_dev,
1825 const struct pci_device_id *pci_id)
1826 {
1827 struct cx8800_dev *dev;
1828 struct cx88_core *core;
1829 int err;
1830
1831 dev = kzalloc(sizeof(*dev),GFP_KERNEL);
1832 if (NULL == dev)
1833 return -ENOMEM;
1834
1835 /* pci init */
1836 dev->pci = pci_dev;
1837 if (pci_enable_device(pci_dev)) {
1838 err = -EIO;
1839 goto fail_free;
1840 }
1841 core = cx88_core_get(dev->pci);
1842 if (NULL == core) {
1843 err = -EINVAL;
1844 goto fail_free;
1845 }
1846 dev->core = core;
1847
1848 /* print pci info */
1849 pci_read_config_byte(pci_dev, PCI_CLASS_REVISION, &dev->pci_rev);
1850 pci_read_config_byte(pci_dev, PCI_LATENCY_TIMER, &dev->pci_lat);
1851 printk(KERN_INFO "%s/0: found at %s, rev: %d, irq: %d, "
1852 "latency: %d, mmio: 0x%lx\n", core->name,
1853 pci_name(pci_dev), dev->pci_rev, pci_dev->irq,
1854 dev->pci_lat,pci_resource_start(pci_dev,0));
1855
1856 pci_set_master(pci_dev);
1857 if (!pci_dma_supported(pci_dev,0xffffffff)) {
1858 printk("%s/0: Oops: no 32bit PCI DMA ???\n",core->name);
1859 err = -EIO;
1860 goto fail_core;
1861 }
1862
1863 /* initialize driver struct */
1864 spin_lock_init(&dev->slock);
1865 core->tvnorm = tvnorms;
1866
1867 /* init video dma queues */
1868 INIT_LIST_HEAD(&dev->vidq.active);
1869 INIT_LIST_HEAD(&dev->vidq.queued);
1870 dev->vidq.timeout.function = cx8800_vid_timeout;
1871 dev->vidq.timeout.data = (unsigned long)dev;
1872 init_timer(&dev->vidq.timeout);
1873 cx88_risc_stopper(dev->pci,&dev->vidq.stopper,
1874 MO_VID_DMACNTRL,0x11,0x00);
1875
1876 /* init vbi dma queues */
1877 INIT_LIST_HEAD(&dev->vbiq.active);
1878 INIT_LIST_HEAD(&dev->vbiq.queued);
1879 dev->vbiq.timeout.function = cx8800_vbi_timeout;
1880 dev->vbiq.timeout.data = (unsigned long)dev;
1881 init_timer(&dev->vbiq.timeout);
1882 cx88_risc_stopper(dev->pci,&dev->vbiq.stopper,
1883 MO_VID_DMACNTRL,0x88,0x00);
1884
1885 /* get irq */
1886 err = request_irq(pci_dev->irq, cx8800_irq,
1887 SA_SHIRQ | SA_INTERRUPT, core->name, dev);
1888 if (err < 0) {
1889 printk(KERN_ERR "%s: can't get IRQ %d\n",
1890 core->name,pci_dev->irq);
1891 goto fail_core;
1892 }
1893 cx_set(MO_PCI_INTMSK, core->pci_irqmask);
1894
1895 /* load and configure helper modules */
1896 if (TUNER_ABSENT != core->tuner_type)
1897 request_module("tuner");
1898 if (core->tda9887_conf)
1899 request_module("tda9887");
1900
1901 /* register v4l devices */
1902 dev->video_dev = cx88_vdev_init(core,dev->pci,
1903 &cx8800_video_template,"video");
1904 err = video_register_device(dev->video_dev,VFL_TYPE_GRABBER,
1905 video_nr[core->nr]);
1906 if (err < 0) {
1907 printk(KERN_INFO "%s: can't register video device\n",
1908 core->name);
1909 goto fail_unreg;
1910 }
1911 printk(KERN_INFO "%s/0: registered device video%d [v4l2]\n",
1912 core->name,dev->video_dev->minor & 0x1f);
1913
1914 dev->vbi_dev = cx88_vdev_init(core,dev->pci,&cx8800_vbi_template,"vbi");
1915 err = video_register_device(dev->vbi_dev,VFL_TYPE_VBI,
1916 vbi_nr[core->nr]);
1917 if (err < 0) {
1918 printk(KERN_INFO "%s/0: can't register vbi device\n",
1919 core->name);
1920 goto fail_unreg;
1921 }
1922 printk(KERN_INFO "%s/0: registered device vbi%d\n",
1923 core->name,dev->vbi_dev->minor & 0x1f);
1924
1925 if (core->has_radio) {
1926 dev->radio_dev = cx88_vdev_init(core,dev->pci,
1927 &cx8800_radio_template,"radio");
1928 err = video_register_device(dev->radio_dev,VFL_TYPE_RADIO,
1929 radio_nr[core->nr]);
1930 if (err < 0) {
1931 printk(KERN_INFO "%s/0: can't register radio device\n",
1932 core->name);
1933 goto fail_unreg;
1934 }
1935 printk(KERN_INFO "%s/0: registered device radio%d\n",
1936 core->name,dev->radio_dev->minor & 0x1f);
1937 }
1938
1939 /* everything worked */
1940 list_add_tail(&dev->devlist,&cx8800_devlist);
1941 pci_set_drvdata(pci_dev,dev);
1942
1943 /* initial device configuration */
1944 mutex_lock(&core->lock);
1945 cx88_set_tvnorm(core,tvnorms);
1946 init_controls(core);
1947 video_mux(core,0);
1948 mutex_unlock(&core->lock);
1949
1950 /* start tvaudio thread */
1951 if (core->tuner_type != TUNER_ABSENT)
1952 core->kthread = kthread_run(cx88_audio_thread, core, "cx88 tvaudio");
1953 return 0;
1954
1955 fail_unreg:
1956 cx8800_unregister_video(dev);
1957 free_irq(pci_dev->irq, dev);
1958 fail_core:
1959 cx88_core_put(core,dev->pci);
1960 fail_free:
1961 kfree(dev);
1962 return err;
1963 }
1964
1965 static void __devexit cx8800_finidev(struct pci_dev *pci_dev)
1966 {
1967 struct cx8800_dev *dev = pci_get_drvdata(pci_dev);
1968 struct cx88_core *core = dev->core;
1969
1970 /* stop thread */
1971 if (core->kthread) {
1972 kthread_stop(core->kthread);
1973 core->kthread = NULL;
1974 }
1975
1976 cx88_shutdown(core); /* FIXME */
1977 pci_disable_device(pci_dev);
1978
1979 /* unregister stuff */
1980
1981 free_irq(pci_dev->irq, dev);
1982 cx8800_unregister_video(dev);
1983 pci_set_drvdata(pci_dev, NULL);
1984
1985 /* free memory */
1986 btcx_riscmem_free(dev->pci,&dev->vidq.stopper);
1987 list_del(&dev->devlist);
1988 cx88_core_put(core,dev->pci);
1989 kfree(dev);
1990 }
1991
1992 static int cx8800_suspend(struct pci_dev *pci_dev, pm_message_t state)
1993 {
1994 struct cx8800_dev *dev = pci_get_drvdata(pci_dev);
1995 struct cx88_core *core = dev->core;
1996
1997 /* stop video+vbi capture */
1998 spin_lock(&dev->slock);
1999 if (!list_empty(&dev->vidq.active)) {
2000 printk("%s: suspend video\n", core->name);
2001 stop_video_dma(dev);
2002 del_timer(&dev->vidq.timeout);
2003 }
2004 if (!list_empty(&dev->vbiq.active)) {
2005 printk("%s: suspend vbi\n", core->name);
2006 cx8800_stop_vbi_dma(dev);
2007 del_timer(&dev->vbiq.timeout);
2008 }
2009 spin_unlock(&dev->slock);
2010
2011 /* FIXME -- shutdown device */
2012 cx88_shutdown(core);
2013
2014 pci_save_state(pci_dev);
2015 if (0 != pci_set_power_state(pci_dev, pci_choose_state(pci_dev, state))) {
2016 pci_disable_device(pci_dev);
2017 dev->state.disabled = 1;
2018 }
2019 return 0;
2020 }
2021
2022 static int cx8800_resume(struct pci_dev *pci_dev)
2023 {
2024 struct cx8800_dev *dev = pci_get_drvdata(pci_dev);
2025 struct cx88_core *core = dev->core;
2026 int err;
2027
2028 if (dev->state.disabled) {
2029 err=pci_enable_device(pci_dev);
2030 if (err) {
2031 printk(KERN_ERR "%s: can't enable device\n",
2032 core->name);
2033 return err;
2034 }
2035
2036 dev->state.disabled = 0;
2037 }
2038 err= pci_set_power_state(pci_dev, PCI_D0);
2039 if (err) {
2040 printk(KERN_ERR "%s: can't enable device\n",
2041 core->name);
2042
2043 pci_disable_device(pci_dev);
2044 dev->state.disabled = 1;
2045
2046 return err;
2047 }
2048 pci_restore_state(pci_dev);
2049
2050 /* FIXME: re-initialize hardware */
2051 cx88_reset(core);
2052
2053 /* restart video+vbi capture */
2054 spin_lock(&dev->slock);
2055 if (!list_empty(&dev->vidq.active)) {
2056 printk("%s: resume video\n", core->name);
2057 restart_video_queue(dev,&dev->vidq);
2058 }
2059 if (!list_empty(&dev->vbiq.active)) {
2060 printk("%s: resume vbi\n", core->name);
2061 cx8800_restart_vbi_queue(dev,&dev->vbiq);
2062 }
2063 spin_unlock(&dev->slock);
2064
2065 return 0;
2066 }
2067
2068 /* ----------------------------------------------------------- */
2069
2070 static struct pci_device_id cx8800_pci_tbl[] = {
2071 {
2072 .vendor = 0x14f1,
2073 .device = 0x8800,
2074 .subvendor = PCI_ANY_ID,
2075 .subdevice = PCI_ANY_ID,
2076 },{
2077 /* --- end of list --- */
2078 }
2079 };
2080 MODULE_DEVICE_TABLE(pci, cx8800_pci_tbl);
2081
2082 static struct pci_driver cx8800_pci_driver = {
2083 .name = "cx8800",
2084 .id_table = cx8800_pci_tbl,
2085 .probe = cx8800_initdev,
2086 .remove = __devexit_p(cx8800_finidev),
2087
2088 .suspend = cx8800_suspend,
2089 .resume = cx8800_resume,
2090 };
2091
2092 static int cx8800_init(void)
2093 {
2094 printk(KERN_INFO "cx2388x v4l2 driver version %d.%d.%d loaded\n",
2095 (CX88_VERSION_CODE >> 16) & 0xff,
2096 (CX88_VERSION_CODE >> 8) & 0xff,
2097 CX88_VERSION_CODE & 0xff);
2098 #ifdef SNAPSHOT
2099 printk(KERN_INFO "cx2388x: snapshot date %04d-%02d-%02d\n",
2100 SNAPSHOT/10000, (SNAPSHOT/100)%100, SNAPSHOT%100);
2101 #endif
2102 return pci_register_driver(&cx8800_pci_driver);
2103 }
2104
2105 static void cx8800_fini(void)
2106 {
2107 pci_unregister_driver(&cx8800_pci_driver);
2108 }
2109
2110 module_init(cx8800_init);
2111 module_exit(cx8800_fini);
2112
2113 EXPORT_SYMBOL(cx88_do_ioctl);
2114
2115 /* ----------------------------------------------------------- */
2116 /*
2117 * Local variables:
2118 * c-basic-offset: 8
2119 * End:
2120 * 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
2121 */
Linux kernel - Deliverables
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