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[PATCH] drivers: use list_move()
[linux-2.6/linux-acpi-2.6/ibm-acpi-2.6.git] / drivers / media / video / cx88 / cx88-video.c
blobdcda5291b990e979c8490001ea18d7fedc053d6e
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_move_tail(&buf->vb.queue, &q->active);
498 start_video_dma(dev, q, buf);
499 buf->vb.state = STATE_ACTIVE;
500 buf->count = q->count++;
501 mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT);
502 dprintk(2,"[%p/%d] restart_queue - first active\n",
503 buf,buf->vb.i);
504
505 } else if (prev->vb.width == buf->vb.width &&
506 prev->vb.height == buf->vb.height &&
507 prev->fmt == buf->fmt) {
508 list_move_tail(&buf->vb.queue, &q->active);
509 buf->vb.state = STATE_ACTIVE;
510 buf->count = q->count++;
511 prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma);
512 dprintk(2,"[%p/%d] restart_queue - move to active\n",
513 buf,buf->vb.i);
514 } else {
515 return 0;
516 }
517 prev = buf;
518 }
519 }
520
521 /* ------------------------------------------------------------------ */
522
523 static int
524 buffer_setup(struct videobuf_queue *q, unsigned int *count, unsigned int *size)
525 {
526 struct cx8800_fh *fh = q->priv_data;
527
528 *size = fh->fmt->depth*fh->width*fh->height >> 3;
529 if (0 == *count)
530 *count = 32;
531 while (*size * *count > vid_limit * 1024 * 1024)
532 (*count)--;
533 return 0;
534 }
535
536 static int
537 buffer_prepare(struct videobuf_queue *q, struct videobuf_buffer *vb,
538 enum v4l2_field field)
539 {
540 struct cx8800_fh *fh = q->priv_data;
541 struct cx8800_dev *dev = fh->dev;
542 struct cx88_core *core = dev->core;
543 struct cx88_buffer *buf = container_of(vb,struct cx88_buffer,vb);
544 int rc, init_buffer = 0;
545
546 BUG_ON(NULL == fh->fmt);
547 if (fh->width < 48 || fh->width > norm_maxw(core->tvnorm) ||
548 fh->height < 32 || fh->height > norm_maxh(core->tvnorm))
549 return -EINVAL;
550 buf->vb.size = (fh->width * fh->height * fh->fmt->depth) >> 3;
551 if (0 != buf->vb.baddr && buf->vb.bsize < buf->vb.size)
552 return -EINVAL;
553
554 if (buf->fmt != fh->fmt ||
555 buf->vb.width != fh->width ||
556 buf->vb.height != fh->height ||
557 buf->vb.field != field) {
558 buf->fmt = fh->fmt;
559 buf->vb.width = fh->width;
560 buf->vb.height = fh->height;
561 buf->vb.field = field;
562 init_buffer = 1;
563 }
564
565 if (STATE_NEEDS_INIT == buf->vb.state) {
566 init_buffer = 1;
567 if (0 != (rc = videobuf_iolock(q,&buf->vb,NULL)))
568 goto fail;
569 }
570
571 if (init_buffer) {
572 buf->bpl = buf->vb.width * buf->fmt->depth >> 3;
573 switch (buf->vb.field) {
574 case V4L2_FIELD_TOP:
575 cx88_risc_buffer(dev->pci, &buf->risc,
576 buf->vb.dma.sglist, 0, UNSET,
577 buf->bpl, 0, buf->vb.height);
578 break;
579 case V4L2_FIELD_BOTTOM:
580 cx88_risc_buffer(dev->pci, &buf->risc,
581 buf->vb.dma.sglist, UNSET, 0,
582 buf->bpl, 0, buf->vb.height);
583 break;
584 case V4L2_FIELD_INTERLACED:
585 cx88_risc_buffer(dev->pci, &buf->risc,
586 buf->vb.dma.sglist, 0, buf->bpl,
587 buf->bpl, buf->bpl,
588 buf->vb.height >> 1);
589 break;
590 case V4L2_FIELD_SEQ_TB:
591 cx88_risc_buffer(dev->pci, &buf->risc,
592 buf->vb.dma.sglist,
593 0, buf->bpl * (buf->vb.height >> 1),
594 buf->bpl, 0,
595 buf->vb.height >> 1);
596 break;
597 case V4L2_FIELD_SEQ_BT:
598 cx88_risc_buffer(dev->pci, &buf->risc,
599 buf->vb.dma.sglist,
600 buf->bpl * (buf->vb.height >> 1), 0,
601 buf->bpl, 0,
602 buf->vb.height >> 1);
603 break;
604 default:
605 BUG();
606 }
607 }
608 dprintk(2,"[%p/%d] buffer_prepare - %dx%d %dbpp \"%s\" - dma=0x%08lx\n",
609 buf, buf->vb.i,
610 fh->width, fh->height, fh->fmt->depth, fh->fmt->name,
611 (unsigned long)buf->risc.dma);
612
613 buf->vb.state = STATE_PREPARED;
614 return 0;
615
616 fail:
617 cx88_free_buffer(q,buf);
618 return rc;
619 }
620
621 static void
622 buffer_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb)
623 {
624 struct cx88_buffer *buf = container_of(vb,struct cx88_buffer,vb);
625 struct cx88_buffer *prev;
626 struct cx8800_fh *fh = vq->priv_data;
627 struct cx8800_dev *dev = fh->dev;
628 struct cx88_core *core = dev->core;
629 struct cx88_dmaqueue *q = &dev->vidq;
630
631 /* add jump to stopper */
632 buf->risc.jmp[0] = cpu_to_le32(RISC_JUMP | RISC_IRQ1 | RISC_CNT_INC);
633 buf->risc.jmp[1] = cpu_to_le32(q->stopper.dma);
634
635 if (!list_empty(&q->queued)) {
636 list_add_tail(&buf->vb.queue,&q->queued);
637 buf->vb.state = STATE_QUEUED;
638 dprintk(2,"[%p/%d] buffer_queue - append to queued\n",
639 buf, buf->vb.i);
640
641 } else if (list_empty(&q->active)) {
642 list_add_tail(&buf->vb.queue,&q->active);
643 start_video_dma(dev, q, buf);
644 buf->vb.state = STATE_ACTIVE;
645 buf->count = q->count++;
646 mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT);
647 dprintk(2,"[%p/%d] buffer_queue - first active\n",
648 buf, buf->vb.i);
649
650 } else {
651 prev = list_entry(q->active.prev, struct cx88_buffer, vb.queue);
652 if (prev->vb.width == buf->vb.width &&
653 prev->vb.height == buf->vb.height &&
654 prev->fmt == buf->fmt) {
655 list_add_tail(&buf->vb.queue,&q->active);
656 buf->vb.state = STATE_ACTIVE;
657 buf->count = q->count++;
658 prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma);
659 dprintk(2,"[%p/%d] buffer_queue - append to active\n",
660 buf, buf->vb.i);
661
662 } else {
663 list_add_tail(&buf->vb.queue,&q->queued);
664 buf->vb.state = STATE_QUEUED;
665 dprintk(2,"[%p/%d] buffer_queue - first queued\n",
666 buf, buf->vb.i);
667 }
668 }
669 }
670
671 static void buffer_release(struct videobuf_queue *q, struct videobuf_buffer *vb)
672 {
673 struct cx88_buffer *buf = container_of(vb,struct cx88_buffer,vb);
674
675 cx88_free_buffer(q,buf);
676 }
677
678 static struct videobuf_queue_ops cx8800_video_qops = {
679 .buf_setup = buffer_setup,
680 .buf_prepare = buffer_prepare,
681 .buf_queue = buffer_queue,
682 .buf_release = buffer_release,
683 };
684
685 /* ------------------------------------------------------------------ */
686
687
688 /* ------------------------------------------------------------------ */
689
690 static struct videobuf_queue* get_queue(struct cx8800_fh *fh)
691 {
692 switch (fh->type) {
693 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
694 return &fh->vidq;
695 case V4L2_BUF_TYPE_VBI_CAPTURE:
696 return &fh->vbiq;
697 default:
698 BUG();
699 return NULL;
700 }
701 }
702
703 static int get_ressource(struct cx8800_fh *fh)
704 {
705 switch (fh->type) {
706 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
707 return RESOURCE_VIDEO;
708 case V4L2_BUF_TYPE_VBI_CAPTURE:
709 return RESOURCE_VBI;
710 default:
711 BUG();
712 return 0;
713 }
714 }
715
716 static int video_open(struct inode *inode, struct file *file)
717 {
718 int minor = iminor(inode);
719 struct cx8800_dev *h,*dev = NULL;
720 struct cx88_core *core;
721 struct cx8800_fh *fh;
722 struct list_head *list;
723 enum v4l2_buf_type type = 0;
724 int radio = 0;
725
726 list_for_each(list,&cx8800_devlist) {
727 h = list_entry(list, struct cx8800_dev, devlist);
728 if (h->video_dev->minor == minor) {
729 dev = h;
730 type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
731 }
732 if (h->vbi_dev->minor == minor) {
733 dev = h;
734 type = V4L2_BUF_TYPE_VBI_CAPTURE;
735 }
736 if (h->radio_dev &&
737 h->radio_dev->minor == minor) {
738 radio = 1;
739 dev = h;
740 }
741 }
742 if (NULL == dev)
743 return -ENODEV;
744
745 core = dev->core;
746
747 dprintk(1,"open minor=%d radio=%d type=%s\n",
748 minor,radio,v4l2_type_names[type]);
749
750 /* allocate + initialize per filehandle data */
751 fh = kzalloc(sizeof(*fh),GFP_KERNEL);
752 if (NULL == fh)
753 return -ENOMEM;
754 file->private_data = fh;
755 fh->dev = dev;
756 fh->radio = radio;
757 fh->type = type;
758 fh->width = 320;
759 fh->height = 240;
760 fh->fmt = format_by_fourcc(V4L2_PIX_FMT_BGR24);
761
762 videobuf_queue_init(&fh->vidq, &cx8800_video_qops,
763 dev->pci, &dev->slock,
764 V4L2_BUF_TYPE_VIDEO_CAPTURE,
765 V4L2_FIELD_INTERLACED,
766 sizeof(struct cx88_buffer),
767 fh);
768 videobuf_queue_init(&fh->vbiq, &cx8800_vbi_qops,
769 dev->pci, &dev->slock,
770 V4L2_BUF_TYPE_VBI_CAPTURE,
771 V4L2_FIELD_SEQ_TB,
772 sizeof(struct cx88_buffer),
773 fh);
774
775 if (fh->radio) {
776 int board = core->board;
777 dprintk(1,"video_open: setting radio device\n");
778 cx_write(MO_GP3_IO, cx88_boards[board].radio.gpio3);
779 cx_write(MO_GP0_IO, cx88_boards[board].radio.gpio0);
780 cx_write(MO_GP1_IO, cx88_boards[board].radio.gpio1);
781 cx_write(MO_GP2_IO, cx88_boards[board].radio.gpio2);
782 core->tvaudio = WW_FM;
783 cx88_set_tvaudio(core);
784 cx88_set_stereo(core,V4L2_TUNER_MODE_STEREO,1);
785 cx88_call_i2c_clients(core,AUDC_SET_RADIO,NULL);
786 }
787
788 return 0;
789 }
790
791 static ssize_t
792 video_read(struct file *file, char __user *data, size_t count, loff_t *ppos)
793 {
794 struct cx8800_fh *fh = file->private_data;
795
796 switch (fh->type) {
797 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
798 if (res_locked(fh->dev,RESOURCE_VIDEO))
799 return -EBUSY;
800 return videobuf_read_one(&fh->vidq, data, count, ppos,
801 file->f_flags & O_NONBLOCK);
802 case V4L2_BUF_TYPE_VBI_CAPTURE:
803 if (!res_get(fh->dev,fh,RESOURCE_VBI))
804 return -EBUSY;
805 return videobuf_read_stream(&fh->vbiq, data, count, ppos, 1,
806 file->f_flags & O_NONBLOCK);
807 default:
808 BUG();
809 return 0;
810 }
811 }
812
813 static unsigned int
814 video_poll(struct file *file, struct poll_table_struct *wait)
815 {
816 struct cx8800_fh *fh = file->private_data;
817 struct cx88_buffer *buf;
818
819 if (V4L2_BUF_TYPE_VBI_CAPTURE == fh->type) {
820 if (!res_get(fh->dev,fh,RESOURCE_VBI))
821 return POLLERR;
822 return videobuf_poll_stream(file, &fh->vbiq, wait);
823 }
824
825 if (res_check(fh,RESOURCE_VIDEO)) {
826 /* streaming capture */
827 if (list_empty(&fh->vidq.stream))
828 return POLLERR;
829 buf = list_entry(fh->vidq.stream.next,struct cx88_buffer,vb.stream);
830 } else {
831 /* read() capture */
832 buf = (struct cx88_buffer*)fh->vidq.read_buf;
833 if (NULL == buf)
834 return POLLERR;
835 }
836 poll_wait(file, &buf->vb.done, wait);
837 if (buf->vb.state == STATE_DONE ||
838 buf->vb.state == STATE_ERROR)
839 return POLLIN|POLLRDNORM;
840 return 0;
841 }
842
843 static int video_release(struct inode *inode, struct file *file)
844 {
845 struct cx8800_fh *fh = file->private_data;
846 struct cx8800_dev *dev = fh->dev;
847
848 /* turn off overlay */
849 if (res_check(fh, RESOURCE_OVERLAY)) {
850 /* FIXME */
851 res_free(dev,fh,RESOURCE_OVERLAY);
852 }
853
854 /* stop video capture */
855 if (res_check(fh, RESOURCE_VIDEO)) {
856 videobuf_queue_cancel(&fh->vidq);
857 res_free(dev,fh,RESOURCE_VIDEO);
858 }
859 if (fh->vidq.read_buf) {
860 buffer_release(&fh->vidq,fh->vidq.read_buf);
861 kfree(fh->vidq.read_buf);
862 }
863
864 /* stop vbi capture */
865 if (res_check(fh, RESOURCE_VBI)) {
866 if (fh->vbiq.streaming)
867 videobuf_streamoff(&fh->vbiq);
868 if (fh->vbiq.reading)
869 videobuf_read_stop(&fh->vbiq);
870 res_free(dev,fh,RESOURCE_VBI);
871 }
872
873 videobuf_mmap_free(&fh->vidq);
874 videobuf_mmap_free(&fh->vbiq);
875 file->private_data = NULL;
876 kfree(fh);
877
878 cx88_call_i2c_clients (dev->core, TUNER_SET_STANDBY, NULL);
879
880 return 0;
881 }
882
883 static int
884 video_mmap(struct file *file, struct vm_area_struct * vma)
885 {
886 struct cx8800_fh *fh = file->private_data;
887
888 return videobuf_mmap_mapper(get_queue(fh), vma);
889 }
890
891 /* ------------------------------------------------------------------ */
892
893 /* static int get_control(struct cx8800_dev *dev, struct v4l2_control *ctl) */
894 static int get_control(struct cx88_core *core, struct v4l2_control *ctl)
895 {
896 /* struct cx88_core *core = dev->core; */
897 struct cx88_ctrl *c = NULL;
898 u32 value;
899 int i;
900
901 for (i = 0; i < CX8800_CTLS; i++)
902 if (cx8800_ctls[i].v.id == ctl->id)
903 c = &cx8800_ctls[i];
904 if (NULL == c)
905 return -EINVAL;
906
907 value = c->sreg ? cx_sread(c->sreg) : cx_read(c->reg);
908 switch (ctl->id) {
909 case V4L2_CID_AUDIO_BALANCE:
910 ctl->value = ((value & 0x7f) < 0x40) ? ((value & 0x7f) + 0x40)
911 : (0x7f - (value & 0x7f));
912 break;
913 case V4L2_CID_AUDIO_VOLUME:
914 ctl->value = 0x3f - (value & 0x3f);
915 break;
916 default:
917 ctl->value = ((value + (c->off << c->shift)) & c->mask) >> c->shift;
918 break;
919 }
920 dprintk(1,"get_control id=0x%X(%s) ctrl=0x%02x, reg=0x%02x val=0x%02x (mask 0x%02x)%s\n",
921 ctl->id, c->v.name, ctl->value, c->reg,
922 value,c->mask, c->sreg ? " [shadowed]" : "");
923 return 0;
924 }
925
926 /* static int set_control(struct cx8800_dev *dev, struct v4l2_control *ctl) */
927 static int set_control(struct cx88_core *core, struct v4l2_control *ctl)
928 {
929 /* struct cx88_core *core = dev->core; */
930 struct cx88_ctrl *c = NULL;
931 u32 value,mask;
932 int i;
933 for (i = 0; i < CX8800_CTLS; i++) {
934 if (cx8800_ctls[i].v.id == ctl->id) {
935 c = &cx8800_ctls[i];
936 }
937 }
938 if (NULL == c)
939 return -EINVAL;
940
941 if (ctl->value < c->v.minimum)
942 ctl->value = c->v.minimum;
943 if (ctl->value > c->v.maximum)
944 ctl->value = c->v.maximum;
945 mask=c->mask;
946 switch (ctl->id) {
947 case V4L2_CID_AUDIO_BALANCE:
948 value = (ctl->value < 0x40) ? (0x7f - ctl->value) : (ctl->value - 0x40);
949 break;
950 case V4L2_CID_AUDIO_VOLUME:
951 value = 0x3f - (ctl->value & 0x3f);
952 break;
953 case V4L2_CID_SATURATION:
954 /* special v_sat handling */
955
956 value = ((ctl->value - c->off) << c->shift) & c->mask;
957
958 if (core->tvnorm->id & V4L2_STD_SECAM) {
959 /* For SECAM, both U and V sat should be equal */
960 value=value<<8|value;
961 } else {
962 /* Keeps U Saturation proportional to V Sat */
963 value=(value*0x5a)/0x7f<<8|value;
964 }
965 mask=0xffff;
966 break;
967 default:
968 value = ((ctl->value - c->off) << c->shift) & c->mask;
969 break;
970 }
971 dprintk(1,"set_control id=0x%X(%s) ctrl=0x%02x, reg=0x%02x val=0x%02x (mask 0x%02x)%s\n",
972 ctl->id, c->v.name, ctl->value, c->reg, value,
973 mask, c->sreg ? " [shadowed]" : "");
974 if (c->sreg) {
975 cx_sandor(c->sreg, c->reg, mask, value);
976 } else {
977 cx_andor(c->reg, mask, value);
978 }
979 return 0;
980 }
981
982 static void init_controls(struct cx88_core *core)
983 {
984 struct v4l2_control ctrl;
985 int i;
986
987 for (i = 0; i < CX8800_CTLS; i++) {
988 ctrl.id=cx8800_ctls[i].v.id;
989 ctrl.value=cx8800_ctls[i].v.default_value;
990 set_control(core, &ctrl);
991 }
992 }
993
994 /* ------------------------------------------------------------------ */
995
996 static int cx8800_g_fmt(struct cx8800_dev *dev, struct cx8800_fh *fh,
997 struct v4l2_format *f)
998 {
999 switch (f->type) {
1000 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
1001 memset(&f->fmt.pix,0,sizeof(f->fmt.pix));
1002 f->fmt.pix.width = fh->width;
1003 f->fmt.pix.height = fh->height;
1004 f->fmt.pix.field = fh->vidq.field;
1005 f->fmt.pix.pixelformat = fh->fmt->fourcc;
1006 f->fmt.pix.bytesperline =
1007 (f->fmt.pix.width * fh->fmt->depth) >> 3;
1008 f->fmt.pix.sizeimage =
1009 f->fmt.pix.height * f->fmt.pix.bytesperline;
1010 return 0;
1011 case V4L2_BUF_TYPE_VBI_CAPTURE:
1012 cx8800_vbi_fmt(dev, f);
1013 return 0;
1014 default:
1015 return -EINVAL;
1016 }
1017 }
1018
1019 static int cx8800_try_fmt(struct cx8800_dev *dev, struct cx8800_fh *fh,
1020 struct v4l2_format *f)
1021 {
1022 struct cx88_core *core = dev->core;
1023
1024 switch (f->type) {
1025 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
1026 {
1027 struct cx8800_fmt *fmt;
1028 enum v4l2_field field;
1029 unsigned int maxw, maxh;
1030
1031 fmt = format_by_fourcc(f->fmt.pix.pixelformat);
1032 if (NULL == fmt)
1033 return -EINVAL;
1034
1035 field = f->fmt.pix.field;
1036 maxw = norm_maxw(core->tvnorm);
1037 maxh = norm_maxh(core->tvnorm);
1038
1039 if (V4L2_FIELD_ANY == field) {
1040 field = (f->fmt.pix.height > maxh/2)
1041 ? V4L2_FIELD_INTERLACED
1042 : V4L2_FIELD_BOTTOM;
1043 }
1044
1045 switch (field) {
1046 case V4L2_FIELD_TOP:
1047 case V4L2_FIELD_BOTTOM:
1048 maxh = maxh / 2;
1049 break;
1050 case V4L2_FIELD_INTERLACED:
1051 break;
1052 default:
1053 return -EINVAL;
1054 }
1055
1056 f->fmt.pix.field = field;
1057 if (f->fmt.pix.height < 32)
1058 f->fmt.pix.height = 32;
1059 if (f->fmt.pix.height > maxh)
1060 f->fmt.pix.height = maxh;
1061 if (f->fmt.pix.width < 48)
1062 f->fmt.pix.width = 48;
1063 if (f->fmt.pix.width > maxw)
1064 f->fmt.pix.width = maxw;
1065 f->fmt.pix.width &= ~0x03;
1066 f->fmt.pix.bytesperline =
1067 (f->fmt.pix.width * fmt->depth) >> 3;
1068 f->fmt.pix.sizeimage =
1069 f->fmt.pix.height * f->fmt.pix.bytesperline;
1070
1071 return 0;
1072 }
1073 case V4L2_BUF_TYPE_VBI_CAPTURE:
1074 cx8800_vbi_fmt(dev, f);
1075 return 0;
1076 default:
1077 return -EINVAL;
1078 }
1079 }
1080
1081 static int cx8800_s_fmt(struct cx8800_dev *dev, struct cx8800_fh *fh,
1082 struct v4l2_format *f)
1083 {
1084 int err;
1085
1086 switch (f->type) {
1087 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
1088 err = cx8800_try_fmt(dev,fh,f);
1089 if (0 != err)
1090 return err;
1091
1092 fh->fmt = format_by_fourcc(f->fmt.pix.pixelformat);
1093 fh->width = f->fmt.pix.width;
1094 fh->height = f->fmt.pix.height;
1095 fh->vidq.field = f->fmt.pix.field;
1096 return 0;
1097 case V4L2_BUF_TYPE_VBI_CAPTURE:
1098 cx8800_vbi_fmt(dev, f);
1099 return 0;
1100 default:
1101 return -EINVAL;
1102 }
1103 }
1104
1105 /*
1106 * This function is _not_ called directly, but from
1107 * video_generic_ioctl (and maybe others). userspace
1108 * copying is done already, arg is a kernel pointer.
1109 */
1110 static int video_do_ioctl(struct inode *inode, struct file *file,
1111 unsigned int cmd, void *arg)
1112 {
1113 struct cx8800_fh *fh = file->private_data;
1114 struct cx8800_dev *dev = fh->dev;
1115 struct cx88_core *core = dev->core;
1116 int err;
1117
1118 if (video_debug > 1)
1119 v4l_print_ioctl(core->name,cmd);
1120 switch (cmd) {
1121
1122 /* --- capabilities ------------------------------------------ */
1123 case VIDIOC_QUERYCAP:
1124 {
1125 struct v4l2_capability *cap = arg;
1126
1127 memset(cap,0,sizeof(*cap));
1128 strcpy(cap->driver, "cx8800");
1129 strlcpy(cap->card, cx88_boards[core->board].name,
1130 sizeof(cap->card));
1131 sprintf(cap->bus_info,"PCI:%s",pci_name(dev->pci));
1132 cap->version = CX88_VERSION_CODE;
1133 cap->capabilities =
1134 V4L2_CAP_VIDEO_CAPTURE |
1135 V4L2_CAP_READWRITE |
1136 V4L2_CAP_STREAMING |
1137 V4L2_CAP_VBI_CAPTURE |
1138 V4L2_CAP_VIDEO_OVERLAY |
1139 0;
1140 if (UNSET != core->tuner_type)
1141 cap->capabilities |= V4L2_CAP_TUNER;
1142 return 0;
1143 }
1144
1145 /* --- capture ioctls ---------------------------------------- */
1146 case VIDIOC_ENUM_FMT:
1147 {
1148 struct v4l2_fmtdesc *f = arg;
1149 enum v4l2_buf_type type;
1150 unsigned int index;
1151
1152 index = f->index;
1153 type = f->type;
1154 switch (type) {
1155 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
1156 if (index >= ARRAY_SIZE(formats))
1157 return -EINVAL;
1158 memset(f,0,sizeof(*f));
1159 f->index = index;
1160 f->type = type;
1161 strlcpy(f->description,formats[index].name,sizeof(f->description));
1162 f->pixelformat = formats[index].fourcc;
1163 break;
1164 default:
1165 return -EINVAL;
1166 }
1167 return 0;
1168 }
1169 case VIDIOC_G_FMT:
1170 {
1171 struct v4l2_format *f = arg;
1172 return cx8800_g_fmt(dev,fh,f);
1173 }
1174 case VIDIOC_S_FMT:
1175 {
1176 struct v4l2_format *f = arg;
1177 return cx8800_s_fmt(dev,fh,f);
1178 }
1179 case VIDIOC_TRY_FMT:
1180 {
1181 struct v4l2_format *f = arg;
1182 return cx8800_try_fmt(dev,fh,f);
1183 }
1184 #ifdef HAVE_V4L1
1185 /* --- streaming capture ------------------------------------- */
1186 case VIDIOCGMBUF:
1187 {
1188 struct video_mbuf *mbuf = arg;
1189 struct videobuf_queue *q;
1190 struct v4l2_requestbuffers req;
1191 unsigned int i;
1192
1193 q = get_queue(fh);
1194 memset(&req,0,sizeof(req));
1195 req.type = q->type;
1196 req.count = 8;
1197 req.memory = V4L2_MEMORY_MMAP;
1198 err = videobuf_reqbufs(q,&req);
1199 if (err < 0)
1200 return err;
1201 memset(mbuf,0,sizeof(*mbuf));
1202 mbuf->frames = req.count;
1203 mbuf->size = 0;
1204 for (i = 0; i < mbuf->frames; i++) {
1205 mbuf->offsets[i] = q->bufs[i]->boff;
1206 mbuf->size += q->bufs[i]->bsize;
1207 }
1208 return 0;
1209 }
1210 #endif
1211 case VIDIOC_REQBUFS:
1212 return videobuf_reqbufs(get_queue(fh), arg);
1213
1214 case VIDIOC_QUERYBUF:
1215 return videobuf_querybuf(get_queue(fh), arg);
1216
1217 case VIDIOC_QBUF:
1218 return videobuf_qbuf(get_queue(fh), arg);
1219
1220 case VIDIOC_DQBUF:
1221 return videobuf_dqbuf(get_queue(fh), arg,
1222 file->f_flags & O_NONBLOCK);
1223
1224 case VIDIOC_STREAMON:
1225 {
1226 int res = get_ressource(fh);
1227
1228 if (!res_get(dev,fh,res))
1229 return -EBUSY;
1230 return videobuf_streamon(get_queue(fh));
1231 }
1232 case VIDIOC_STREAMOFF:
1233 {
1234 int res = get_ressource(fh);
1235
1236 err = videobuf_streamoff(get_queue(fh));
1237 if (err < 0)
1238 return err;
1239 res_free(dev,fh,res);
1240 return 0;
1241 }
1242 default:
1243 return cx88_do_ioctl( inode, file, fh->radio, core, cmd, arg, video_do_ioctl );
1244 }
1245 return 0;
1246 }
1247
1248 int cx88_do_ioctl(struct inode *inode, struct file *file, int radio,
1249 struct cx88_core *core, unsigned int cmd, void *arg, v4l2_kioctl driver_ioctl)
1250 {
1251 int err;
1252
1253 if (video_debug) {
1254 if (video_debug > 1) {
1255 if (_IOC_DIR(cmd) & _IOC_WRITE)
1256 v4l_printk_ioctl_arg("cx88(w)",cmd, arg);
1257 else if (!_IOC_DIR(cmd) & _IOC_READ) {
1258 v4l_print_ioctl("cx88", cmd);
1259 }
1260 } else
1261 v4l_print_ioctl(core->name,cmd);
1262
1263 }
1264
1265 switch (cmd) {
1266 /* ---------- tv norms ---------- */
1267 case VIDIOC_ENUMSTD:
1268 {
1269 struct v4l2_standard *e = arg;
1270 unsigned int i;
1271
1272 i = e->index;
1273 if (i >= ARRAY_SIZE(tvnorms))
1274 return -EINVAL;
1275 err = v4l2_video_std_construct(e, tvnorms[e->index].id,
1276 tvnorms[e->index].name);
1277 e->index = i;
1278 if (err < 0)
1279 return err;
1280 return 0;
1281 }
1282 case VIDIOC_G_STD:
1283 {
1284 v4l2_std_id *id = arg;
1285
1286 *id = core->tvnorm->id;
1287 return 0;
1288 }
1289 case VIDIOC_S_STD:
1290 {
1291 v4l2_std_id *id = arg;
1292 unsigned int i;
1293
1294 for(i = 0; i < ARRAY_SIZE(tvnorms); i++)
1295 if (*id & tvnorms[i].id)
1296 break;
1297 if (i == ARRAY_SIZE(tvnorms))
1298 return -EINVAL;
1299
1300 mutex_lock(&core->lock);
1301 cx88_set_tvnorm(core,&tvnorms[i]);
1302 mutex_unlock(&core->lock);
1303 return 0;
1304 }
1305
1306 /* ------ input switching ---------- */
1307 case VIDIOC_ENUMINPUT:
1308 {
1309 static const char *iname[] = {
1310 [ CX88_VMUX_COMPOSITE1 ] = "Composite1",
1311 [ CX88_VMUX_COMPOSITE2 ] = "Composite2",
1312 [ CX88_VMUX_COMPOSITE3 ] = "Composite3",
1313 [ CX88_VMUX_COMPOSITE4 ] = "Composite4",
1314 [ CX88_VMUX_SVIDEO ] = "S-Video",
1315 [ CX88_VMUX_TELEVISION ] = "Television",
1316 [ CX88_VMUX_CABLE ] = "Cable TV",
1317 [ CX88_VMUX_DVB ] = "DVB",
1318 [ CX88_VMUX_DEBUG ] = "for debug only",
1319 };
1320 struct v4l2_input *i = arg;
1321 unsigned int n;
1322
1323 n = i->index;
1324 if (n >= 4)
1325 return -EINVAL;
1326 if (0 == INPUT(n)->type)
1327 return -EINVAL;
1328 memset(i,0,sizeof(*i));
1329 i->index = n;
1330 i->type = V4L2_INPUT_TYPE_CAMERA;
1331 strcpy(i->name,iname[INPUT(n)->type]);
1332 if ((CX88_VMUX_TELEVISION == INPUT(n)->type) ||
1333 (CX88_VMUX_CABLE == INPUT(n)->type))
1334 i->type = V4L2_INPUT_TYPE_TUNER;
1335 for (n = 0; n < ARRAY_SIZE(tvnorms); n++)
1336 i->std |= tvnorms[n].id;
1337 return 0;
1338 }
1339 case VIDIOC_G_INPUT:
1340 {
1341 unsigned int *i = arg;
1342
1343 *i = core->input;
1344 return 0;
1345 }
1346 case VIDIOC_S_INPUT:
1347 {
1348 unsigned int *i = arg;
1349
1350 if (*i >= 4)
1351 return -EINVAL;
1352 mutex_lock(&core->lock);
1353 cx88_newstation(core);
1354 video_mux(core,*i);
1355 mutex_unlock(&core->lock);
1356 return 0;
1357 }
1358
1359
1360
1361 /* --- controls ---------------------------------------------- */
1362 case VIDIOC_QUERYCTRL:
1363 {
1364 struct v4l2_queryctrl *c = arg;
1365 int i;
1366
1367 if (c->id < V4L2_CID_BASE ||
1368 c->id >= V4L2_CID_LASTP1)
1369 return -EINVAL;
1370 for (i = 0; i < CX8800_CTLS; i++)
1371 if (cx8800_ctls[i].v.id == c->id)
1372 break;
1373 if (i == CX8800_CTLS) {
1374 *c = no_ctl;
1375 return 0;
1376 }
1377 *c = cx8800_ctls[i].v;
1378 return 0;
1379 }
1380 case VIDIOC_G_CTRL:
1381 return get_control(core,arg);
1382 case VIDIOC_S_CTRL:
1383 return set_control(core,arg);
1384
1385 /* --- tuner ioctls ------------------------------------------ */
1386 case VIDIOC_G_TUNER:
1387 {
1388 struct v4l2_tuner *t = arg;
1389 u32 reg;
1390
1391 if (UNSET == core->tuner_type)
1392 return -EINVAL;
1393 if (0 != t->index)
1394 return -EINVAL;
1395
1396 memset(t,0,sizeof(*t));
1397 strcpy(t->name, "Television");
1398 t->type = V4L2_TUNER_ANALOG_TV;
1399 t->capability = V4L2_TUNER_CAP_NORM;
1400 t->rangehigh = 0xffffffffUL;
1401
1402 cx88_get_stereo(core ,t);
1403 reg = cx_read(MO_DEVICE_STATUS);
1404 t->signal = (reg & (1<<5)) ? 0xffff : 0x0000;
1405 return 0;
1406 }
1407 case VIDIOC_S_TUNER:
1408 {
1409 struct v4l2_tuner *t = arg;
1410
1411 if (UNSET == core->tuner_type)
1412 return -EINVAL;
1413 if (0 != t->index)
1414 return -EINVAL;
1415 cx88_set_stereo(core, t->audmode, 1);
1416 return 0;
1417 }
1418 case VIDIOC_G_FREQUENCY:
1419 {
1420 struct v4l2_frequency *f = arg;
1421
1422 memset(f,0,sizeof(*f));
1423
1424 if (UNSET == core->tuner_type)
1425 return -EINVAL;
1426
1427 /* f->type = fh->radio ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV; */
1428 f->type = radio ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV;
1429 f->frequency = core->freq;
1430
1431 cx88_call_i2c_clients(core,VIDIOC_G_FREQUENCY,f);
1432
1433 return 0;
1434 }
1435 case VIDIOC_S_FREQUENCY:
1436 {
1437 struct v4l2_frequency *f = arg;
1438
1439 if (UNSET == core->tuner_type)
1440 return -EINVAL;
1441 if (f->tuner != 0)
1442 return -EINVAL;
1443 if (0 == radio && f->type != V4L2_TUNER_ANALOG_TV)
1444 return -EINVAL;
1445 if (1 == radio && f->type != V4L2_TUNER_RADIO)
1446 return -EINVAL;
1447 mutex_lock(&core->lock);
1448 core->freq = f->frequency;
1449 cx88_newstation(core);
1450 cx88_call_i2c_clients(core,VIDIOC_S_FREQUENCY,f);
1451
1452 /* When changing channels it is required to reset TVAUDIO */
1453 msleep (10);
1454 cx88_set_tvaudio(core);
1455
1456 mutex_unlock(&core->lock);
1457 return 0;
1458 }
1459
1460 default:
1461 return v4l_compat_translate_ioctl(inode,file,cmd,arg,
1462 driver_ioctl);
1463 }
1464 return 0;
1465 }
1466
1467 static int video_ioctl(struct inode *inode, struct file *file,
1468 unsigned int cmd, unsigned long arg)
1469 {
1470 int retval;
1471
1472 retval=video_usercopy(inode, file, cmd, arg, video_do_ioctl);
1473
1474 if (video_debug > 1) {
1475 if (retval < 0) {
1476 v4l_print_ioctl("cx88(err)", cmd);
1477 printk(KERN_DEBUG "cx88(err): errcode=%d\n",retval);
1478 } else if (_IOC_DIR(cmd) & _IOC_READ)
1479 v4l_printk_ioctl_arg("cx88(r)",cmd, (void *)arg);
1480 }
1481
1482 return retval;
1483 }
1484
1485 /* ----------------------------------------------------------- */
1486
1487 static int radio_do_ioctl(struct inode *inode, struct file *file,
1488 unsigned int cmd, void *arg)
1489 {
1490 struct cx8800_fh *fh = file->private_data;
1491 struct cx8800_dev *dev = fh->dev;
1492 struct cx88_core *core = dev->core;
1493
1494 if (video_debug > 1)
1495 v4l_print_ioctl(core->name,cmd);
1496
1497 switch (cmd) {
1498 case VIDIOC_QUERYCAP:
1499 {
1500 struct v4l2_capability *cap = arg;
1501
1502 memset(cap,0,sizeof(*cap));
1503 strcpy(cap->driver, "cx8800");
1504 strlcpy(cap->card, cx88_boards[core->board].name,
1505 sizeof(cap->card));
1506 sprintf(cap->bus_info,"PCI:%s", pci_name(dev->pci));
1507 cap->version = CX88_VERSION_CODE;
1508 cap->capabilities = V4L2_CAP_TUNER;
1509 return 0;
1510 }
1511 case VIDIOC_G_TUNER:
1512 {
1513 struct v4l2_tuner *t = arg;
1514
1515 if (t->index > 0)
1516 return -EINVAL;
1517
1518 memset(t,0,sizeof(*t));
1519 strcpy(t->name, "Radio");
1520 t->type = V4L2_TUNER_RADIO;
1521
1522 cx88_call_i2c_clients(core,VIDIOC_G_TUNER,t);
1523 return 0;
1524 }
1525 case VIDIOC_ENUMINPUT:
1526 {
1527 struct v4l2_input *i = arg;
1528
1529 if (i->index != 0)
1530 return -EINVAL;
1531 strcpy(i->name,"Radio");
1532 i->type = V4L2_INPUT_TYPE_TUNER;
1533 return 0;
1534 }
1535 case VIDIOC_G_INPUT:
1536 {
1537 int *i = arg;
1538 *i = 0;
1539 return 0;
1540 }
1541 case VIDIOC_G_AUDIO:
1542 {
1543 struct v4l2_audio *a = arg;
1544
1545 memset(a,0,sizeof(*a));
1546 strcpy(a->name,"Radio");
1547 return 0;
1548 }
1549 case VIDIOC_G_STD:
1550 {
1551 v4l2_std_id *id = arg;
1552 *id = 0;
1553 return 0;
1554 }
1555 #ifdef HAVE_V4L1
1556 case VIDIOCSTUNER:
1557 {
1558 struct video_tuner *v = arg;
1559
1560 if (v->tuner) /* Only tuner 0 */
1561 return -EINVAL;
1562
1563 cx88_call_i2c_clients(core,VIDIOCSTUNER,v);
1564 return 0;
1565 }
1566 #endif
1567 case VIDIOC_S_TUNER:
1568 {
1569 struct v4l2_tuner *t = arg;
1570
1571 if (0 != t->index)
1572 return -EINVAL;
1573
1574 cx88_call_i2c_clients(core,VIDIOC_S_TUNER,t);
1575
1576 return 0;
1577 }
1578
1579 case VIDIOC_S_AUDIO:
1580 case VIDIOC_S_INPUT:
1581 case VIDIOC_S_STD:
1582 return 0;
1583
1584 case VIDIOC_QUERYCTRL:
1585 {
1586 struct v4l2_queryctrl *c = arg;
1587 int i;
1588
1589 if (c->id < V4L2_CID_BASE ||
1590 c->id >= V4L2_CID_LASTP1)
1591 return -EINVAL;
1592 if (c->id == V4L2_CID_AUDIO_MUTE) {
1593 for (i = 0; i < CX8800_CTLS; i++)
1594 if (cx8800_ctls[i].v.id == c->id)
1595 break;
1596 *c = cx8800_ctls[i].v;
1597 } else
1598 *c = no_ctl;
1599 return 0;
1600 }
1601
1602
1603 case VIDIOC_G_CTRL:
1604 case VIDIOC_S_CTRL:
1605 case VIDIOC_G_FREQUENCY:
1606 case VIDIOC_S_FREQUENCY:
1607 return video_do_ioctl(inode,file,cmd,arg);
1608
1609 default:
1610 return v4l_compat_translate_ioctl(inode,file,cmd,arg,
1611 radio_do_ioctl);
1612 }
1613 return 0;
1614 };
1615
1616 static int radio_ioctl(struct inode *inode, struct file *file,
1617 unsigned int cmd, unsigned long arg)
1618 {
1619 return video_usercopy(inode, file, cmd, arg, radio_do_ioctl);
1620 };
1621
1622 /* ----------------------------------------------------------- */
1623
1624 static void cx8800_vid_timeout(unsigned long data)
1625 {
1626 struct cx8800_dev *dev = (struct cx8800_dev*)data;
1627 struct cx88_core *core = dev->core;
1628 struct cx88_dmaqueue *q = &dev->vidq;
1629 struct cx88_buffer *buf;
1630 unsigned long flags;
1631
1632 cx88_sram_channel_dump(core, &cx88_sram_channels[SRAM_CH21]);
1633
1634 cx_clear(MO_VID_DMACNTRL, 0x11);
1635 cx_clear(VID_CAPTURE_CONTROL, 0x06);
1636
1637 spin_lock_irqsave(&dev->slock,flags);
1638 while (!list_empty(&q->active)) {
1639 buf = list_entry(q->active.next, struct cx88_buffer, vb.queue);
1640 list_del(&buf->vb.queue);
1641 buf->vb.state = STATE_ERROR;
1642 wake_up(&buf->vb.done);
1643 printk("%s/0: [%p/%d] timeout - dma=0x%08lx\n", core->name,
1644 buf, buf->vb.i, (unsigned long)buf->risc.dma);
1645 }
1646 restart_video_queue(dev,q);
1647 spin_unlock_irqrestore(&dev->slock,flags);
1648 }
1649
1650 static char *cx88_vid_irqs[32] = {
1651 "y_risci1", "u_risci1", "v_risci1", "vbi_risc1",
1652 "y_risci2", "u_risci2", "v_risci2", "vbi_risc2",
1653 "y_oflow", "u_oflow", "v_oflow", "vbi_oflow",
1654 "y_sync", "u_sync", "v_sync", "vbi_sync",
1655 "opc_err", "par_err", "rip_err", "pci_abort",
1656 };
1657
1658 static void cx8800_vid_irq(struct cx8800_dev *dev)
1659 {
1660 struct cx88_core *core = dev->core;
1661 u32 status, mask, count;
1662
1663 status = cx_read(MO_VID_INTSTAT);
1664 mask = cx_read(MO_VID_INTMSK);
1665 if (0 == (status & mask))
1666 return;
1667 cx_write(MO_VID_INTSTAT, status);
1668 if (irq_debug || (status & mask & ~0xff))
1669 cx88_print_irqbits(core->name, "irq vid",
1670 cx88_vid_irqs, status, mask);
1671
1672 /* risc op code error */
1673 if (status & (1 << 16)) {
1674 printk(KERN_WARNING "%s/0: video risc op code error\n",core->name);
1675 cx_clear(MO_VID_DMACNTRL, 0x11);
1676 cx_clear(VID_CAPTURE_CONTROL, 0x06);
1677 cx88_sram_channel_dump(core, &cx88_sram_channels[SRAM_CH21]);
1678 }
1679
1680 /* risc1 y */
1681 if (status & 0x01) {
1682 spin_lock(&dev->slock);
1683 count = cx_read(MO_VIDY_GPCNT);
1684 cx88_wakeup(core, &dev->vidq, count);
1685 spin_unlock(&dev->slock);
1686 }
1687
1688 /* risc1 vbi */
1689 if (status & 0x08) {
1690 spin_lock(&dev->slock);
1691 count = cx_read(MO_VBI_GPCNT);
1692 cx88_wakeup(core, &dev->vbiq, count);
1693 spin_unlock(&dev->slock);
1694 }
1695
1696 /* risc2 y */
1697 if (status & 0x10) {
1698 dprintk(2,"stopper video\n");
1699 spin_lock(&dev->slock);
1700 restart_video_queue(dev,&dev->vidq);
1701 spin_unlock(&dev->slock);
1702 }
1703
1704 /* risc2 vbi */
1705 if (status & 0x80) {
1706 dprintk(2,"stopper vbi\n");
1707 spin_lock(&dev->slock);
1708 cx8800_restart_vbi_queue(dev,&dev->vbiq);
1709 spin_unlock(&dev->slock);
1710 }
1711 }
1712
1713 static irqreturn_t cx8800_irq(int irq, void *dev_id, struct pt_regs *regs)
1714 {
1715 struct cx8800_dev *dev = dev_id;
1716 struct cx88_core *core = dev->core;
1717 u32 status;
1718 int loop, handled = 0;
1719
1720 for (loop = 0; loop < 10; loop++) {
1721 status = cx_read(MO_PCI_INTSTAT) & (core->pci_irqmask | 0x01);
1722 if (0 == status)
1723 goto out;
1724 cx_write(MO_PCI_INTSTAT, status);
1725 handled = 1;
1726
1727 if (status & core->pci_irqmask)
1728 cx88_core_irq(core,status);
1729 if (status & 0x01)
1730 cx8800_vid_irq(dev);
1731 };
1732 if (10 == loop) {
1733 printk(KERN_WARNING "%s/0: irq loop -- clearing mask\n",
1734 core->name);
1735 cx_write(MO_PCI_INTMSK,0);
1736 }
1737
1738 out:
1739 return IRQ_RETVAL(handled);
1740 }
1741
1742 /* ----------------------------------------------------------- */
1743 /* exported stuff */
1744
1745 static struct file_operations video_fops =
1746 {
1747 .owner = THIS_MODULE,
1748 .open = video_open,
1749 .release = video_release,
1750 .read = video_read,
1751 .poll = video_poll,
1752 .mmap = video_mmap,
1753 .ioctl = video_ioctl,
1754 .compat_ioctl = v4l_compat_ioctl32,
1755 .llseek = no_llseek,
1756 };
1757
1758 static struct video_device cx8800_video_template =
1759 {
1760 .name = "cx8800-video",
1761 .type = VID_TYPE_CAPTURE|VID_TYPE_TUNER|VID_TYPE_SCALES,
1762 .hardware = 0,
1763 .fops = &video_fops,
1764 .minor = -1,
1765 };
1766
1767 static struct video_device cx8800_vbi_template =
1768 {
1769 .name = "cx8800-vbi",
1770 .type = VID_TYPE_TELETEXT|VID_TYPE_TUNER,
1771 .hardware = 0,
1772 .fops = &video_fops,
1773 .minor = -1,
1774 };
1775
1776 static struct file_operations radio_fops =
1777 {
1778 .owner = THIS_MODULE,
1779 .open = video_open,
1780 .release = video_release,
1781 .ioctl = radio_ioctl,
1782 .compat_ioctl = v4l_compat_ioctl32,
1783 .llseek = no_llseek,
1784 };
1785
1786 static struct video_device cx8800_radio_template =
1787 {
1788 .name = "cx8800-radio",
1789 .type = VID_TYPE_TUNER,
1790 .hardware = 0,
1791 .fops = &radio_fops,
1792 .minor = -1,
1793 };
1794
1795 /* ----------------------------------------------------------- */
1796
1797 static void cx8800_unregister_video(struct cx8800_dev *dev)
1798 {
1799 if (dev->radio_dev) {
1800 if (-1 != dev->radio_dev->minor)
1801 video_unregister_device(dev->radio_dev);
1802 else
1803 video_device_release(dev->radio_dev);
1804 dev->radio_dev = NULL;
1805 }
1806 if (dev->vbi_dev) {
1807 if (-1 != dev->vbi_dev->minor)
1808 video_unregister_device(dev->vbi_dev);
1809 else
1810 video_device_release(dev->vbi_dev);
1811 dev->vbi_dev = NULL;
1812 }
1813 if (dev->video_dev) {
1814 if (-1 != dev->video_dev->minor)
1815 video_unregister_device(dev->video_dev);
1816 else
1817 video_device_release(dev->video_dev);
1818 dev->video_dev = NULL;
1819 }
1820 }
1821
1822 static int __devinit cx8800_initdev(struct pci_dev *pci_dev,
1823 const struct pci_device_id *pci_id)
1824 {
1825 struct cx8800_dev *dev;
1826 struct cx88_core *core;
1827 int err;
1828
1829 dev = kzalloc(sizeof(*dev),GFP_KERNEL);
1830 if (NULL == dev)
1831 return -ENOMEM;
1832
1833 /* pci init */
1834 dev->pci = pci_dev;
1835 if (pci_enable_device(pci_dev)) {
1836 err = -EIO;
1837 goto fail_free;
1838 }
1839 core = cx88_core_get(dev->pci);
1840 if (NULL == core) {
1841 err = -EINVAL;
1842 goto fail_free;
1843 }
1844 dev->core = core;
1845
1846 /* print pci info */
1847 pci_read_config_byte(pci_dev, PCI_CLASS_REVISION, &dev->pci_rev);
1848 pci_read_config_byte(pci_dev, PCI_LATENCY_TIMER, &dev->pci_lat);
1849 printk(KERN_INFO "%s/0: found at %s, rev: %d, irq: %d, "
1850 "latency: %d, mmio: 0x%lx\n", core->name,
1851 pci_name(pci_dev), dev->pci_rev, pci_dev->irq,
1852 dev->pci_lat,pci_resource_start(pci_dev,0));
1853
1854 pci_set_master(pci_dev);
1855 if (!pci_dma_supported(pci_dev,0xffffffff)) {
1856 printk("%s/0: Oops: no 32bit PCI DMA ???\n",core->name);
1857 err = -EIO;
1858 goto fail_core;
1859 }
1860
1861 /* initialize driver struct */
1862 spin_lock_init(&dev->slock);
1863 core->tvnorm = tvnorms;
1864
1865 /* init video dma queues */
1866 INIT_LIST_HEAD(&dev->vidq.active);
1867 INIT_LIST_HEAD(&dev->vidq.queued);
1868 dev->vidq.timeout.function = cx8800_vid_timeout;
1869 dev->vidq.timeout.data = (unsigned long)dev;
1870 init_timer(&dev->vidq.timeout);
1871 cx88_risc_stopper(dev->pci,&dev->vidq.stopper,
1872 MO_VID_DMACNTRL,0x11,0x00);
1873
1874 /* init vbi dma queues */
1875 INIT_LIST_HEAD(&dev->vbiq.active);
1876 INIT_LIST_HEAD(&dev->vbiq.queued);
1877 dev->vbiq.timeout.function = cx8800_vbi_timeout;
1878 dev->vbiq.timeout.data = (unsigned long)dev;
1879 init_timer(&dev->vbiq.timeout);
1880 cx88_risc_stopper(dev->pci,&dev->vbiq.stopper,
1881 MO_VID_DMACNTRL,0x88,0x00);
1882
1883 /* get irq */
1884 err = request_irq(pci_dev->irq, cx8800_irq,
1885 SA_SHIRQ | SA_INTERRUPT, core->name, dev);
1886 if (err < 0) {
1887 printk(KERN_ERR "%s: can't get IRQ %d\n",
1888 core->name,pci_dev->irq);
1889 goto fail_core;
1890 }
1891 cx_set(MO_PCI_INTMSK, core->pci_irqmask);
1892
1893 /* load and configure helper modules */
1894 if (TUNER_ABSENT != core->tuner_type)
1895 request_module("tuner");
1896 if (core->tda9887_conf)
1897 request_module("tda9887");
1898
1899 /* register v4l devices */
1900 dev->video_dev = cx88_vdev_init(core,dev->pci,
1901 &cx8800_video_template,"video");
1902 err = video_register_device(dev->video_dev,VFL_TYPE_GRABBER,
1903 video_nr[core->nr]);
1904 if (err < 0) {
1905 printk(KERN_INFO "%s: can't register video device\n",
1906 core->name);
1907 goto fail_unreg;
1908 }
1909 printk(KERN_INFO "%s/0: registered device video%d [v4l2]\n",
1910 core->name,dev->video_dev->minor & 0x1f);
1911
1912 dev->vbi_dev = cx88_vdev_init(core,dev->pci,&cx8800_vbi_template,"vbi");
1913 err = video_register_device(dev->vbi_dev,VFL_TYPE_VBI,
1914 vbi_nr[core->nr]);
1915 if (err < 0) {
1916 printk(KERN_INFO "%s/0: can't register vbi device\n",
1917 core->name);
1918 goto fail_unreg;
1919 }
1920 printk(KERN_INFO "%s/0: registered device vbi%d\n",
1921 core->name,dev->vbi_dev->minor & 0x1f);
1922
1923 if (core->has_radio) {
1924 dev->radio_dev = cx88_vdev_init(core,dev->pci,
1925 &cx8800_radio_template,"radio");
1926 err = video_register_device(dev->radio_dev,VFL_TYPE_RADIO,
1927 radio_nr[core->nr]);
1928 if (err < 0) {
1929 printk(KERN_INFO "%s/0: can't register radio device\n",
1930 core->name);
1931 goto fail_unreg;
1932 }
1933 printk(KERN_INFO "%s/0: registered device radio%d\n",
1934 core->name,dev->radio_dev->minor & 0x1f);
1935 }
1936
1937 /* everything worked */
1938 list_add_tail(&dev->devlist,&cx8800_devlist);
1939 pci_set_drvdata(pci_dev,dev);
1940
1941 /* initial device configuration */
1942 mutex_lock(&core->lock);
1943 cx88_set_tvnorm(core,tvnorms);
1944 init_controls(core);
1945 video_mux(core,0);
1946 mutex_unlock(&core->lock);
1947
1948 /* start tvaudio thread */
1949 if (core->tuner_type != TUNER_ABSENT)
1950 core->kthread = kthread_run(cx88_audio_thread, core, "cx88 tvaudio");
1951 return 0;
1952
1953 fail_unreg:
1954 cx8800_unregister_video(dev);
1955 free_irq(pci_dev->irq, dev);
1956 fail_core:
1957 cx88_core_put(core,dev->pci);
1958 fail_free:
1959 kfree(dev);
1960 return err;
1961 }
1962
1963 static void __devexit cx8800_finidev(struct pci_dev *pci_dev)
1964 {
1965 struct cx8800_dev *dev = pci_get_drvdata(pci_dev);
1966 struct cx88_core *core = dev->core;
1967
1968 /* stop thread */
1969 if (core->kthread) {
1970 kthread_stop(core->kthread);
1971 core->kthread = NULL;
1972 }
1973
1974 cx88_shutdown(core); /* FIXME */
1975 pci_disable_device(pci_dev);
1976
1977 /* unregister stuff */
1978
1979 free_irq(pci_dev->irq, dev);
1980 cx8800_unregister_video(dev);
1981 pci_set_drvdata(pci_dev, NULL);
1982
1983 /* free memory */
1984 btcx_riscmem_free(dev->pci,&dev->vidq.stopper);
1985 list_del(&dev->devlist);
1986 cx88_core_put(core,dev->pci);
1987 kfree(dev);
1988 }
1989
1990 static int cx8800_suspend(struct pci_dev *pci_dev, pm_message_t state)
1991 {
1992 struct cx8800_dev *dev = pci_get_drvdata(pci_dev);
1993 struct cx88_core *core = dev->core;
1994
1995 /* stop video+vbi capture */
1996 spin_lock(&dev->slock);
1997 if (!list_empty(&dev->vidq.active)) {
1998 printk("%s: suspend video\n", core->name);
1999 stop_video_dma(dev);
2000 del_timer(&dev->vidq.timeout);
2001 }
2002 if (!list_empty(&dev->vbiq.active)) {
2003 printk("%s: suspend vbi\n", core->name);
2004 cx8800_stop_vbi_dma(dev);
2005 del_timer(&dev->vbiq.timeout);
2006 }
2007 spin_unlock(&dev->slock);
2008
2009 /* FIXME -- shutdown device */
2010 cx88_shutdown(core);
2011
2012 pci_save_state(pci_dev);
2013 if (0 != pci_set_power_state(pci_dev, pci_choose_state(pci_dev, state))) {
2014 pci_disable_device(pci_dev);
2015 dev->state.disabled = 1;
2016 }
2017 return 0;
2018 }
2019
2020 static int cx8800_resume(struct pci_dev *pci_dev)
2021 {
2022 struct cx8800_dev *dev = pci_get_drvdata(pci_dev);
2023 struct cx88_core *core = dev->core;
2024 int err;
2025
2026 if (dev->state.disabled) {
2027 err=pci_enable_device(pci_dev);
2028 if (err) {
2029 printk(KERN_ERR "%s: can't enable device\n",
2030 core->name);
2031 return err;
2032 }
2033
2034 dev->state.disabled = 0;
2035 }
2036 err= pci_set_power_state(pci_dev, PCI_D0);
2037 if (err) {
2038 printk(KERN_ERR "%s: can't enable device\n",
2039 core->name);
2040
2041 pci_disable_device(pci_dev);
2042 dev->state.disabled = 1;
2043
2044 return err;
2045 }
2046 pci_restore_state(pci_dev);
2047
2048 /* FIXME: re-initialize hardware */
2049 cx88_reset(core);
2050
2051 /* restart video+vbi capture */
2052 spin_lock(&dev->slock);
2053 if (!list_empty(&dev->vidq.active)) {
2054 printk("%s: resume video\n", core->name);
2055 restart_video_queue(dev,&dev->vidq);
2056 }
2057 if (!list_empty(&dev->vbiq.active)) {
2058 printk("%s: resume vbi\n", core->name);
2059 cx8800_restart_vbi_queue(dev,&dev->vbiq);
2060 }
2061 spin_unlock(&dev->slock);
2062
2063 return 0;
2064 }
2065
2066 /* ----------------------------------------------------------- */
2067
2068 static struct pci_device_id cx8800_pci_tbl[] = {
2069 {
2070 .vendor = 0x14f1,
2071 .device = 0x8800,
2072 .subvendor = PCI_ANY_ID,
2073 .subdevice = PCI_ANY_ID,
2074 },{
2075 /* --- end of list --- */
2076 }
2077 };
2078 MODULE_DEVICE_TABLE(pci, cx8800_pci_tbl);
2079
2080 static struct pci_driver cx8800_pci_driver = {
2081 .name = "cx8800",
2082 .id_table = cx8800_pci_tbl,
2083 .probe = cx8800_initdev,
2084 .remove = __devexit_p(cx8800_finidev),
2085
2086 .suspend = cx8800_suspend,
2087 .resume = cx8800_resume,
2088 };
2089
2090 static int cx8800_init(void)
2091 {
2092 printk(KERN_INFO "cx2388x v4l2 driver version %d.%d.%d loaded\n",
2093 (CX88_VERSION_CODE >> 16) & 0xff,
2094 (CX88_VERSION_CODE >> 8) & 0xff,
2095 CX88_VERSION_CODE & 0xff);
2096 #ifdef SNAPSHOT
2097 printk(KERN_INFO "cx2388x: snapshot date %04d-%02d-%02d\n",
2098 SNAPSHOT/10000, (SNAPSHOT/100)%100, SNAPSHOT%100);
2099 #endif
2100 return pci_register_driver(&cx8800_pci_driver);
2101 }
2102
2103 static void cx8800_fini(void)
2104 {
2105 pci_unregister_driver(&cx8800_pci_driver);
2106 }
2107
2108 module_init(cx8800_init);
2109 module_exit(cx8800_fini);
2110
2111 EXPORT_SYMBOL(cx88_do_ioctl);
2112
2113 /* ----------------------------------------------------------- */
2114 /*
2115 * Local variables:
2116 * c-basic-offset: 8
2117 * End:
2118 * 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
2119 */
Linux 2.6 ibm-acpi/thinkpad-acpi driver git tree