1 /*
2 *
3 * device driver for Conexant 2388x based TV cards
4 * video4linux video interface
5 *
6 * (c) 2003-04 Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]
7 *
8 * (c) 2005-2006 Mauro Carvalho Chehab <mchehab@infradead.org>
9 * - Multituner support
10 * - video_ioctl2 conversion
11 * - PAL/M fixes
12 *
13 * This program is free software; you can redistribute it and/or modify
14 * it under the terms of the GNU General Public License as published by
15 * the Free Software Foundation; either version 2 of the License, or
16 * (at your option) any later version.
17 *
18 * This program is distributed in the hope that it will be useful,
19 * but WITHOUT ANY WARRANTY; without even the implied warranty of
20 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
21 * GNU General Public License for more details.
22 *
23 * You should have received a copy of the GNU General Public License
24 * along with this program; if not, write to the Free Software
25 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
26 */
27
28 #include <linux/init.h>
29 #include <linux/list.h>
30 #include <linux/module.h>
31 #include <linux/kmod.h>
32 #include <linux/kernel.h>
33 #include <linux/slab.h>
34 #include <linux/interrupt.h>
35 #include <linux/dma-mapping.h>
36 #include <linux/delay.h>
37 #include <linux/kthread.h>
38 #include <asm/div64.h>
39
40 #include "cx88.h"
41 #include <media/v4l2-common.h>
42 #include <media/v4l2-ioctl.h>
43
44 #ifdef CONFIG_VIDEO_V4L1_COMPAT
45 /* Include V4L1 specific functions. Should be removed soon */
46 #include <linux/videodev.h>
47 #endif
48
49 MODULE_DESCRIPTION("v4l2 driver module for cx2388x based TV cards");
50 MODULE_AUTHOR("Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]");
51 MODULE_LICENSE("GPL");
52
53 /* ------------------------------------------------------------------ */
54
55 static unsigned int video_nr[] = {[0 ... (CX88_MAXBOARDS - 1)] = UNSET };
56 static unsigned int vbi_nr[] = {[0 ... (CX88_MAXBOARDS - 1)] = UNSET };
57 static unsigned int radio_nr[] = {[0 ... (CX88_MAXBOARDS - 1)] = UNSET };
58
59 module_param_array(video_nr, int, NULL, 0444);
60 module_param_array(vbi_nr, int, NULL, 0444);
61 module_param_array(radio_nr, int, NULL, 0444);
62
63 MODULE_PARM_DESC(video_nr,"video device numbers");
64 MODULE_PARM_DESC(vbi_nr,"vbi device numbers");
65 MODULE_PARM_DESC(radio_nr,"radio device numbers");
66
67 static unsigned int video_debug;
68 module_param(video_debug,int,0644);
69 MODULE_PARM_DESC(video_debug,"enable debug messages [video]");
70
71 static unsigned int irq_debug;
72 module_param(irq_debug,int,0644);
73 MODULE_PARM_DESC(irq_debug,"enable debug messages [IRQ handler]");
74
75 static unsigned int vid_limit = 16;
76 module_param(vid_limit,int,0644);
77 MODULE_PARM_DESC(vid_limit,"capture memory limit in megabytes");
78
79 #define dprintk(level,fmt, arg...) if (video_debug >= level) \
80 printk(KERN_DEBUG "%s/0: " fmt, core->name , ## arg)
81
82 /* ------------------------------------------------------------------ */
83
84 static LIST_HEAD(cx8800_devlist);
85
86 /* ------------------------------------------------------------------- */
87 /* static data */
88
89 static struct cx8800_fmt formats[] = {
90 {
91 .name = "8 bpp, gray",
92 .fourcc = V4L2_PIX_FMT_GREY,
93 .cxformat = ColorFormatY8,
94 .depth = 8,
95 .flags = FORMAT_FLAGS_PACKED,
96 },{
97 .name = "15 bpp RGB, le",
98 .fourcc = V4L2_PIX_FMT_RGB555,
99 .cxformat = ColorFormatRGB15,
100 .depth = 16,
101 .flags = FORMAT_FLAGS_PACKED,
102 },{
103 .name = "15 bpp RGB, be",
104 .fourcc = V4L2_PIX_FMT_RGB555X,
105 .cxformat = ColorFormatRGB15 | ColorFormatBSWAP,
106 .depth = 16,
107 .flags = FORMAT_FLAGS_PACKED,
108 },{
109 .name = "16 bpp RGB, le",
110 .fourcc = V4L2_PIX_FMT_RGB565,
111 .cxformat = ColorFormatRGB16,
112 .depth = 16,
113 .flags = FORMAT_FLAGS_PACKED,
114 },{
115 .name = "16 bpp RGB, be",
116 .fourcc = V4L2_PIX_FMT_RGB565X,
117 .cxformat = ColorFormatRGB16 | ColorFormatBSWAP,
118 .depth = 16,
119 .flags = FORMAT_FLAGS_PACKED,
120 },{
121 .name = "24 bpp RGB, le",
122 .fourcc = V4L2_PIX_FMT_BGR24,
123 .cxformat = ColorFormatRGB24,
124 .depth = 24,
125 .flags = FORMAT_FLAGS_PACKED,
126 },{
127 .name = "32 bpp RGB, le",
128 .fourcc = V4L2_PIX_FMT_BGR32,
129 .cxformat = ColorFormatRGB32,
130 .depth = 32,
131 .flags = FORMAT_FLAGS_PACKED,
132 },{
133 .name = "32 bpp RGB, be",
134 .fourcc = V4L2_PIX_FMT_RGB32,
135 .cxformat = ColorFormatRGB32 | ColorFormatBSWAP | ColorFormatWSWAP,
136 .depth = 32,
137 .flags = FORMAT_FLAGS_PACKED,
138 },{
139 .name = "4:2:2, packed, YUYV",
140 .fourcc = V4L2_PIX_FMT_YUYV,
141 .cxformat = ColorFormatYUY2,
142 .depth = 16,
143 .flags = FORMAT_FLAGS_PACKED,
144 },{
145 .name = "4:2:2, packed, UYVY",
146 .fourcc = V4L2_PIX_FMT_UYVY,
147 .cxformat = ColorFormatYUY2 | ColorFormatBSWAP,
148 .depth = 16,
149 .flags = FORMAT_FLAGS_PACKED,
150 },
151 };
152
format_by_fourcc(unsigned int fourcc)153 static struct cx8800_fmt* format_by_fourcc(unsigned int fourcc)
154 {
155 unsigned int i;
156
157 for (i = 0; i < ARRAY_SIZE(formats); i++)
158 if (formats[i].fourcc == fourcc)
159 return formats+i;
160 return NULL;
161 }
162
163 /* ------------------------------------------------------------------- */
164
165 static const struct v4l2_queryctrl no_ctl = {
166 .name = "42",
167 .flags = V4L2_CTRL_FLAG_DISABLED,
168 };
169
170 static struct cx88_ctrl cx8800_ctls[] = {
171 /* --- video --- */
172 {
173 .v = {
174 .id = V4L2_CID_BRIGHTNESS,
175 .name = "Brightness",
176 .minimum = 0x00,
177 .maximum = 0xff,
178 .step = 1,
179 .default_value = 0x7f,
180 .type = V4L2_CTRL_TYPE_INTEGER,
181 },
182 .off = 128,
183 .reg = MO_CONTR_BRIGHT,
184 .mask = 0x00ff,
185 .shift = 0,
186 },{
187 .v = {
188 .id = V4L2_CID_CONTRAST,
189 .name = "Contrast",
190 .minimum = 0,
191 .maximum = 0xff,
192 .step = 1,
193 .default_value = 0x3f,
194 .type = V4L2_CTRL_TYPE_INTEGER,
195 },
196 .off = 0,
197 .reg = MO_CONTR_BRIGHT,
198 .mask = 0xff00,
199 .shift = 8,
200 },{
201 .v = {
202 .id = V4L2_CID_HUE,
203 .name = "Hue",
204 .minimum = 0,
205 .maximum = 0xff,
206 .step = 1,
207 .default_value = 0x7f,
208 .type = V4L2_CTRL_TYPE_INTEGER,
209 },
210 .off = 128,
211 .reg = MO_HUE,
212 .mask = 0x00ff,
213 .shift = 0,
214 },{
215 /* strictly, this only describes only U saturation.
216 * V saturation is handled specially through code.
217 */
218 .v = {
219 .id = V4L2_CID_SATURATION,
220 .name = "Saturation",
221 .minimum = 0,
222 .maximum = 0xff,
223 .step = 1,
224 .default_value = 0x7f,
225 .type = V4L2_CTRL_TYPE_INTEGER,
226 },
227 .off = 0,
228 .reg = MO_UV_SATURATION,
229 .mask = 0x00ff,
230 .shift = 0,
231 },{
232 .v = {
233 .id = V4L2_CID_CHROMA_AGC,
234 .name = "Chroma AGC",
235 .minimum = 0,
236 .maximum = 1,
237 .default_value = 0x1,
238 .type = V4L2_CTRL_TYPE_BOOLEAN,
239 },
240 .reg = MO_INPUT_FORMAT,
241 .mask = 1 << 10,
242 .shift = 10,
243 }, {
244 .v = {
245 .id = V4L2_CID_COLOR_KILLER,
246 .name = "Color killer",
247 .minimum = 0,
248 .maximum = 1,
249 .default_value = 0x1,
250 .type = V4L2_CTRL_TYPE_BOOLEAN,
251 },
252 .reg = MO_INPUT_FORMAT,
253 .mask = 1 << 9,
254 .shift = 9,
255 }, {
256 /* --- audio --- */
257 .v = {
258 .id = V4L2_CID_AUDIO_MUTE,
259 .name = "Mute",
260 .minimum = 0,
261 .maximum = 1,
262 .default_value = 1,
263 .type = V4L2_CTRL_TYPE_BOOLEAN,
264 },
265 .reg = AUD_VOL_CTL,
266 .sreg = SHADOW_AUD_VOL_CTL,
267 .mask = (1 << 6),
268 .shift = 6,
269 },{
270 .v = {
271 .id = V4L2_CID_AUDIO_VOLUME,
272 .name = "Volume",
273 .minimum = 0,
274 .maximum = 0x3f,
275 .step = 1,
276 .default_value = 0x3f,
277 .type = V4L2_CTRL_TYPE_INTEGER,
278 },
279 .reg = AUD_VOL_CTL,
280 .sreg = SHADOW_AUD_VOL_CTL,
281 .mask = 0x3f,
282 .shift = 0,
283 },{
284 .v = {
285 .id = V4L2_CID_AUDIO_BALANCE,
286 .name = "Balance",
287 .minimum = 0,
288 .maximum = 0x7f,
289 .step = 1,
290 .default_value = 0x40,
291 .type = V4L2_CTRL_TYPE_INTEGER,
292 },
293 .reg = AUD_BAL_CTL,
294 .sreg = SHADOW_AUD_BAL_CTL,
295 .mask = 0x7f,
296 .shift = 0,
297 }
298 };
299 static const int CX8800_CTLS = ARRAY_SIZE(cx8800_ctls);
300
301 const u32 cx88_user_ctrls[] = {
302 V4L2_CID_USER_CLASS,
303 V4L2_CID_BRIGHTNESS,
304 V4L2_CID_CONTRAST,
305 V4L2_CID_SATURATION,
306 V4L2_CID_HUE,
307 V4L2_CID_AUDIO_VOLUME,
308 V4L2_CID_AUDIO_BALANCE,
309 V4L2_CID_AUDIO_MUTE,
310 V4L2_CID_CHROMA_AGC,
311 V4L2_CID_COLOR_KILLER,
312 0
313 };
314 EXPORT_SYMBOL(cx88_user_ctrls);
315
316 static const u32 *ctrl_classes[] = {
317 cx88_user_ctrls,
318 NULL
319 };
320
cx8800_ctrl_query(struct cx88_core * core,struct v4l2_queryctrl * qctrl)321 int cx8800_ctrl_query(struct cx88_core *core, struct v4l2_queryctrl *qctrl)
322 {
323 int i;
324
325 if (qctrl->id < V4L2_CID_BASE ||
326 qctrl->id >= V4L2_CID_LASTP1)
327 return -EINVAL;
328 for (i = 0; i < CX8800_CTLS; i++)
329 if (cx8800_ctls[i].v.id == qctrl->id)
330 break;
331 if (i == CX8800_CTLS) {
332 *qctrl = no_ctl;
333 return 0;
334 }
335 *qctrl = cx8800_ctls[i].v;
336 /* Report chroma AGC as inactive when SECAM is selected */
337 if (cx8800_ctls[i].v.id == V4L2_CID_CHROMA_AGC &&
338 core->tvnorm & V4L2_STD_SECAM)
339 qctrl->flags |= V4L2_CTRL_FLAG_INACTIVE;
340
341 return 0;
342 }
343 EXPORT_SYMBOL(cx8800_ctrl_query);
344
345 /* ------------------------------------------------------------------- */
346 /* resource management */
347
res_get(struct cx8800_dev * dev,struct cx8800_fh * fh,unsigned int bit)348 static int res_get(struct cx8800_dev *dev, struct cx8800_fh *fh, unsigned int bit)
349 {
350 struct cx88_core *core = dev->core;
351 if (fh->resources & bit)
352 /* have it already allocated */
353 return 1;
354
355 /* is it free? */
356 mutex_lock(&core->lock);
357 if (dev->resources & bit) {
358 /* no, someone else uses it */
359 mutex_unlock(&core->lock);
360 return 0;
361 }
362 /* it's free, grab it */
363 fh->resources |= bit;
364 dev->resources |= bit;
365 dprintk(1,"res: get %d\n",bit);
366 mutex_unlock(&core->lock);
367 return 1;
368 }
369
370 static
res_check(struct cx8800_fh * fh,unsigned int bit)371 int res_check(struct cx8800_fh *fh, unsigned int bit)
372 {
373 return (fh->resources & bit);
374 }
375
376 static
res_locked(struct cx8800_dev * dev,unsigned int bit)377 int res_locked(struct cx8800_dev *dev, unsigned int bit)
378 {
379 return (dev->resources & bit);
380 }
381
382 static
res_free(struct cx8800_dev * dev,struct cx8800_fh * fh,unsigned int bits)383 void res_free(struct cx8800_dev *dev, struct cx8800_fh *fh, unsigned int bits)
384 {
385 struct cx88_core *core = dev->core;
386 BUG_ON((fh->resources & bits) != bits);
387
388 mutex_lock(&core->lock);
389 fh->resources &= ~bits;
390 dev->resources &= ~bits;
391 dprintk(1,"res: put %d\n",bits);
392 mutex_unlock(&core->lock);
393 }
394
395 /* ------------------------------------------------------------------ */
396
cx88_video_mux(struct cx88_core * core,unsigned int input)397 int cx88_video_mux(struct cx88_core *core, unsigned int input)
398 {
399 /* struct cx88_core *core = dev->core; */
400
401 dprintk(1,"video_mux: %d [vmux=%d,gpio=0x%x,0x%x,0x%x,0x%x]\n",
402 input, INPUT(input).vmux,
403 INPUT(input).gpio0,INPUT(input).gpio1,
404 INPUT(input).gpio2,INPUT(input).gpio3);
405 core->input = input;
406 cx_andor(MO_INPUT_FORMAT, 0x03 << 14, INPUT(input).vmux << 14);
407 cx_write(MO_GP3_IO, INPUT(input).gpio3);
408 cx_write(MO_GP0_IO, INPUT(input).gpio0);
409 cx_write(MO_GP1_IO, INPUT(input).gpio1);
410 cx_write(MO_GP2_IO, INPUT(input).gpio2);
411
412 switch (INPUT(input).type) {
413 case CX88_VMUX_SVIDEO:
414 cx_set(MO_AFECFG_IO, 0x00000001);
415 cx_set(MO_INPUT_FORMAT, 0x00010010);
416 cx_set(MO_FILTER_EVEN, 0x00002020);
417 cx_set(MO_FILTER_ODD, 0x00002020);
418 break;
419 default:
420 cx_clear(MO_AFECFG_IO, 0x00000001);
421 cx_clear(MO_INPUT_FORMAT, 0x00010010);
422 cx_clear(MO_FILTER_EVEN, 0x00002020);
423 cx_clear(MO_FILTER_ODD, 0x00002020);
424 break;
425 }
426
427 /* if there are audioroutes defined, we have an external
428 ADC to deal with audio */
429 if (INPUT(input).audioroute) {
430 /* The wm8775 module has the "2" route hardwired into
431 the initialization. Some boards may use different
432 routes for different inputs. HVR-1300 surely does */
433 if (core->board.audio_chip &&
434 core->board.audio_chip == V4L2_IDENT_WM8775) {
435 struct v4l2_routing route;
436
437 route.input = INPUT(input).audioroute;
438 cx88_call_i2c_clients(core,
439 VIDIOC_INT_S_AUDIO_ROUTING, &route);
440 }
441 /* cx2388's C-ADC is connected to the tuner only.
442 When used with S-Video, that ADC is busy dealing with
443 chroma, so an external must be used for baseband audio */
444 if (INPUT(input).type != CX88_VMUX_TELEVISION ) {
445 /* "I2S ADC mode" */
446 core->tvaudio = WW_I2SADC;
447 cx88_set_tvaudio(core);
448 } else {
449 /* Normal mode */
450 cx_write(AUD_I2SCNTL, 0x0);
451 cx_clear(AUD_CTL, EN_I2SIN_ENABLE);
452 }
453 }
454
455 return 0;
456 }
457 EXPORT_SYMBOL(cx88_video_mux);
458
459 /* ------------------------------------------------------------------ */
460
start_video_dma(struct cx8800_dev * dev,struct cx88_dmaqueue * q,struct cx88_buffer * buf)461 static int start_video_dma(struct cx8800_dev *dev,
462 struct cx88_dmaqueue *q,
463 struct cx88_buffer *buf)
464 {
465 struct cx88_core *core = dev->core;
466
467 /* setup fifo + format */
468 cx88_sram_channel_setup(core, &cx88_sram_channels[SRAM_CH21],
469 buf->bpl, buf->risc.dma);
470 cx88_set_scale(core, buf->vb.width, buf->vb.height, buf->vb.field);
471 cx_write(MO_COLOR_CTRL, buf->fmt->cxformat | ColorFormatGamma);
472
473 /* reset counter */
474 cx_write(MO_VIDY_GPCNTRL,GP_COUNT_CONTROL_RESET);
475 q->count = 1;
476
477 /* enable irqs */
478 cx_set(MO_PCI_INTMSK, core->pci_irqmask | PCI_INT_VIDINT);
479
480 /* Enables corresponding bits at PCI_INT_STAT:
481 bits 0 to 4: video, audio, transport stream, VIP, Host
482 bit 7: timer
483 bits 8 and 9: DMA complete for: SRC, DST
484 bits 10 and 11: BERR signal asserted for RISC: RD, WR
485 bits 12 to 15: BERR signal asserted for: BRDG, SRC, DST, IPB
486 */
487 cx_set(MO_VID_INTMSK, 0x0f0011);
488
489 /* enable capture */
490 cx_set(VID_CAPTURE_CONTROL,0x06);
491
492 /* start dma */
493 cx_set(MO_DEV_CNTRL2, (1<<5));
494 cx_set(MO_VID_DMACNTRL, 0x11); /* Planar Y and packed FIFO and RISC enable */
495
496 return 0;
497 }
498
499 #ifdef CONFIG_PM
stop_video_dma(struct cx8800_dev * dev)500 static int stop_video_dma(struct cx8800_dev *dev)
501 {
502 struct cx88_core *core = dev->core;
503
504 /* stop dma */
505 cx_clear(MO_VID_DMACNTRL, 0x11);
506
507 /* disable capture */
508 cx_clear(VID_CAPTURE_CONTROL,0x06);
509
510 /* disable irqs */
511 cx_clear(MO_PCI_INTMSK, PCI_INT_VIDINT);
512 cx_clear(MO_VID_INTMSK, 0x0f0011);
513 return 0;
514 }
515 #endif
516
restart_video_queue(struct cx8800_dev * dev,struct cx88_dmaqueue * q)517 static int restart_video_queue(struct cx8800_dev *dev,
518 struct cx88_dmaqueue *q)
519 {
520 struct cx88_core *core = dev->core;
521 struct cx88_buffer *buf, *prev;
522
523 if (!list_empty(&q->active)) {
524 buf = list_entry(q->active.next, struct cx88_buffer, vb.queue);
525 dprintk(2,"restart_queue [%p/%d]: restart dma\n",
526 buf, buf->vb.i);
527 start_video_dma(dev, q, buf);
528 list_for_each_entry(buf, &q->active, vb.queue)
529 buf->count = q->count++;
530 mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT);
531 return 0;
532 }
533
534 prev = NULL;
535 for (;;) {
536 if (list_empty(&q->queued))
537 return 0;
538 buf = list_entry(q->queued.next, struct cx88_buffer, vb.queue);
539 if (NULL == prev) {
540 list_move_tail(&buf->vb.queue, &q->active);
541 start_video_dma(dev, q, buf);
542 buf->vb.state = VIDEOBUF_ACTIVE;
543 buf->count = q->count++;
544 mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT);
545 dprintk(2,"[%p/%d] restart_queue - first active\n",
546 buf,buf->vb.i);
547
548 } else if (prev->vb.width == buf->vb.width &&
549 prev->vb.height == buf->vb.height &&
550 prev->fmt == buf->fmt) {
551 list_move_tail(&buf->vb.queue, &q->active);
552 buf->vb.state = VIDEOBUF_ACTIVE;
553 buf->count = q->count++;
554 prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma);
555 dprintk(2,"[%p/%d] restart_queue - move to active\n",
556 buf,buf->vb.i);
557 } else {
558 return 0;
559 }
560 prev = buf;
561 }
562 }
563
564 /* ------------------------------------------------------------------ */
565
566 static int
buffer_setup(struct videobuf_queue * q,unsigned int * count,unsigned int * size)567 buffer_setup(struct videobuf_queue *q, unsigned int *count, unsigned int *size)
568 {
569 struct cx8800_fh *fh = q->priv_data;
570
571 *size = fh->fmt->depth*fh->width*fh->height >> 3;
572 if (0 == *count)
573 *count = 32;
574 while (*size * *count > vid_limit * 1024 * 1024)
575 (*count)--;
576 return 0;
577 }
578
579 static int
buffer_prepare(struct videobuf_queue * q,struct videobuf_buffer * vb,enum v4l2_field field)580 buffer_prepare(struct videobuf_queue *q, struct videobuf_buffer *vb,
581 enum v4l2_field field)
582 {
583 struct cx8800_fh *fh = q->priv_data;
584 struct cx8800_dev *dev = fh->dev;
585 struct cx88_core *core = dev->core;
586 struct cx88_buffer *buf = container_of(vb,struct cx88_buffer,vb);
587 struct videobuf_dmabuf *dma=videobuf_to_dma(&buf->vb);
588 int rc, init_buffer = 0;
589
590 BUG_ON(NULL == fh->fmt);
591 if (fh->width < 48 || fh->width > norm_maxw(core->tvnorm) ||
592 fh->height < 32 || fh->height > norm_maxh(core->tvnorm))
593 return -EINVAL;
594 buf->vb.size = (fh->width * fh->height * fh->fmt->depth) >> 3;
595 if (0 != buf->vb.baddr && buf->vb.bsize < buf->vb.size)
596 return -EINVAL;
597
598 if (buf->fmt != fh->fmt ||
599 buf->vb.width != fh->width ||
600 buf->vb.height != fh->height ||
601 buf->vb.field != field) {
602 buf->fmt = fh->fmt;
603 buf->vb.width = fh->width;
604 buf->vb.height = fh->height;
605 buf->vb.field = field;
606 init_buffer = 1;
607 }
608
609 if (VIDEOBUF_NEEDS_INIT == buf->vb.state) {
610 init_buffer = 1;
611 if (0 != (rc = videobuf_iolock(q,&buf->vb,NULL)))
612 goto fail;
613 }
614
615 if (init_buffer) {
616 buf->bpl = buf->vb.width * buf->fmt->depth >> 3;
617 switch (buf->vb.field) {
618 case V4L2_FIELD_TOP:
619 cx88_risc_buffer(dev->pci, &buf->risc,
620 dma->sglist, 0, UNSET,
621 buf->bpl, 0, buf->vb.height);
622 break;
623 case V4L2_FIELD_BOTTOM:
624 cx88_risc_buffer(dev->pci, &buf->risc,
625 dma->sglist, UNSET, 0,
626 buf->bpl, 0, buf->vb.height);
627 break;
628 case V4L2_FIELD_INTERLACED:
629 cx88_risc_buffer(dev->pci, &buf->risc,
630 dma->sglist, 0, buf->bpl,
631 buf->bpl, buf->bpl,
632 buf->vb.height >> 1);
633 break;
634 case V4L2_FIELD_SEQ_TB:
635 cx88_risc_buffer(dev->pci, &buf->risc,
636 dma->sglist,
637 0, buf->bpl * (buf->vb.height >> 1),
638 buf->bpl, 0,
639 buf->vb.height >> 1);
640 break;
641 case V4L2_FIELD_SEQ_BT:
642 cx88_risc_buffer(dev->pci, &buf->risc,
643 dma->sglist,
644 buf->bpl * (buf->vb.height >> 1), 0,
645 buf->bpl, 0,
646 buf->vb.height >> 1);
647 break;
648 default:
649 BUG();
650 }
651 }
652 dprintk(2,"[%p/%d] buffer_prepare - %dx%d %dbpp \"%s\" - dma=0x%08lx\n",
653 buf, buf->vb.i,
654 fh->width, fh->height, fh->fmt->depth, fh->fmt->name,
655 (unsigned long)buf->risc.dma);
656
657 buf->vb.state = VIDEOBUF_PREPARED;
658 return 0;
659
660 fail:
661 cx88_free_buffer(q,buf);
662 return rc;
663 }
664
665 static void
buffer_queue(struct videobuf_queue * vq,struct videobuf_buffer * vb)666 buffer_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb)
667 {
668 struct cx88_buffer *buf = container_of(vb,struct cx88_buffer,vb);
669 struct cx88_buffer *prev;
670 struct cx8800_fh *fh = vq->priv_data;
671 struct cx8800_dev *dev = fh->dev;
672 struct cx88_core *core = dev->core;
673 struct cx88_dmaqueue *q = &dev->vidq;
674
675 /* add jump to stopper */
676 buf->risc.jmp[0] = cpu_to_le32(RISC_JUMP | RISC_IRQ1 | RISC_CNT_INC);
677 buf->risc.jmp[1] = cpu_to_le32(q->stopper.dma);
678
679 if (!list_empty(&q->queued)) {
680 list_add_tail(&buf->vb.queue,&q->queued);
681 buf->vb.state = VIDEOBUF_QUEUED;
682 dprintk(2,"[%p/%d] buffer_queue - append to queued\n",
683 buf, buf->vb.i);
684
685 } else if (list_empty(&q->active)) {
686 list_add_tail(&buf->vb.queue,&q->active);
687 start_video_dma(dev, q, buf);
688 buf->vb.state = VIDEOBUF_ACTIVE;
689 buf->count = q->count++;
690 mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT);
691 dprintk(2,"[%p/%d] buffer_queue - first active\n",
692 buf, buf->vb.i);
693
694 } else {
695 prev = list_entry(q->active.prev, struct cx88_buffer, vb.queue);
696 if (prev->vb.width == buf->vb.width &&
697 prev->vb.height == buf->vb.height &&
698 prev->fmt == buf->fmt) {
699 list_add_tail(&buf->vb.queue,&q->active);
700 buf->vb.state = VIDEOBUF_ACTIVE;
701 buf->count = q->count++;
702 prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma);
703 dprintk(2,"[%p/%d] buffer_queue - append to active\n",
704 buf, buf->vb.i);
705
706 } else {
707 list_add_tail(&buf->vb.queue,&q->queued);
708 buf->vb.state = VIDEOBUF_QUEUED;
709 dprintk(2,"[%p/%d] buffer_queue - first queued\n",
710 buf, buf->vb.i);
711 }
712 }
713 }
714
buffer_release(struct videobuf_queue * q,struct videobuf_buffer * vb)715 static void buffer_release(struct videobuf_queue *q, struct videobuf_buffer *vb)
716 {
717 struct cx88_buffer *buf = container_of(vb,struct cx88_buffer,vb);
718
719 cx88_free_buffer(q,buf);
720 }
721
722 static struct videobuf_queue_ops cx8800_video_qops = {
723 .buf_setup = buffer_setup,
724 .buf_prepare = buffer_prepare,
725 .buf_queue = buffer_queue,
726 .buf_release = buffer_release,
727 };
728
729 /* ------------------------------------------------------------------ */
730
731
732 /* ------------------------------------------------------------------ */
733
get_queue(struct cx8800_fh * fh)734 static struct videobuf_queue* get_queue(struct cx8800_fh *fh)
735 {
736 switch (fh->type) {
737 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
738 return &fh->vidq;
739 case V4L2_BUF_TYPE_VBI_CAPTURE:
740 return &fh->vbiq;
741 default:
742 BUG();
743 return NULL;
744 }
745 }
746
get_ressource(struct cx8800_fh * fh)747 static int get_ressource(struct cx8800_fh *fh)
748 {
749 switch (fh->type) {
750 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
751 return RESOURCE_VIDEO;
752 case V4L2_BUF_TYPE_VBI_CAPTURE:
753 return RESOURCE_VBI;
754 default:
755 BUG();
756 return 0;
757 }
758 }
759
video_open(struct file * file)760 static int video_open(struct file *file)
761 {
762 int minor = video_devdata(file)->minor;
763 struct cx8800_dev *h,*dev = NULL;
764 struct cx88_core *core;
765 struct cx8800_fh *fh;
766 enum v4l2_buf_type type = 0;
767 int radio = 0;
768
769 lock_kernel();
770 list_for_each_entry(h, &cx8800_devlist, devlist) {
771 if (h->video_dev->minor == minor) {
772 dev = h;
773 type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
774 }
775 if (h->vbi_dev->minor == minor) {
776 dev = h;
777 type = V4L2_BUF_TYPE_VBI_CAPTURE;
778 }
779 if (h->radio_dev &&
780 h->radio_dev->minor == minor) {
781 radio = 1;
782 dev = h;
783 }
784 }
785 if (NULL == dev) {
786 unlock_kernel();
787 return -ENODEV;
788 }
789
790 core = dev->core;
791
792 dprintk(1,"open minor=%d radio=%d type=%s\n",
793 minor,radio,v4l2_type_names[type]);
794
795 /* allocate + initialize per filehandle data */
796 fh = kzalloc(sizeof(*fh),GFP_KERNEL);
797 if (NULL == fh) {
798 unlock_kernel();
799 return -ENOMEM;
800 }
801 file->private_data = fh;
802 fh->dev = dev;
803 fh->radio = radio;
804 fh->type = type;
805 fh->width = 320;
806 fh->height = 240;
807 fh->fmt = format_by_fourcc(V4L2_PIX_FMT_BGR24);
808
809 videobuf_queue_sg_init(&fh->vidq, &cx8800_video_qops,
810 &dev->pci->dev, &dev->slock,
811 V4L2_BUF_TYPE_VIDEO_CAPTURE,
812 V4L2_FIELD_INTERLACED,
813 sizeof(struct cx88_buffer),
814 fh);
815 videobuf_queue_sg_init(&fh->vbiq, &cx8800_vbi_qops,
816 &dev->pci->dev, &dev->slock,
817 V4L2_BUF_TYPE_VBI_CAPTURE,
818 V4L2_FIELD_SEQ_TB,
819 sizeof(struct cx88_buffer),
820 fh);
821
822 if (fh->radio) {
823 dprintk(1,"video_open: setting radio device\n");
824 cx_write(MO_GP3_IO, core->board.radio.gpio3);
825 cx_write(MO_GP0_IO, core->board.radio.gpio0);
826 cx_write(MO_GP1_IO, core->board.radio.gpio1);
827 cx_write(MO_GP2_IO, core->board.radio.gpio2);
828 if (core->board.radio.audioroute) {
829 if(core->board.audio_chip &&
830 core->board.audio_chip == V4L2_IDENT_WM8775) {
831 struct v4l2_routing route;
832
833 route.input = core->board.radio.audioroute;
834 cx88_call_i2c_clients(core,
835 VIDIOC_INT_S_AUDIO_ROUTING, &route);
836 }
837 /* "I2S ADC mode" */
838 core->tvaudio = WW_I2SADC;
839 cx88_set_tvaudio(core);
840 } else {
841 /* FM Mode */
842 core->tvaudio = WW_FM;
843 cx88_set_tvaudio(core);
844 cx88_set_stereo(core,V4L2_TUNER_MODE_STEREO,1);
845 }
846 cx88_call_i2c_clients(core,AUDC_SET_RADIO,NULL);
847 }
848 unlock_kernel();
849
850 atomic_inc(&core->users);
851
852 return 0;
853 }
854
855 static ssize_t
video_read(struct file * file,char __user * data,size_t count,loff_t * ppos)856 video_read(struct file *file, char __user *data, size_t count, loff_t *ppos)
857 {
858 struct cx8800_fh *fh = file->private_data;
859
860 switch (fh->type) {
861 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
862 if (res_locked(fh->dev,RESOURCE_VIDEO))
863 return -EBUSY;
864 return videobuf_read_one(&fh->vidq, data, count, ppos,
865 file->f_flags & O_NONBLOCK);
866 case V4L2_BUF_TYPE_VBI_CAPTURE:
867 if (!res_get(fh->dev,fh,RESOURCE_VBI))
868 return -EBUSY;
869 return videobuf_read_stream(&fh->vbiq, data, count, ppos, 1,
870 file->f_flags & O_NONBLOCK);
871 default:
872 BUG();
873 return 0;
874 }
875 }
876
877 static unsigned int
video_poll(struct file * file,struct poll_table_struct * wait)878 video_poll(struct file *file, struct poll_table_struct *wait)
879 {
880 struct cx8800_fh *fh = file->private_data;
881 struct cx88_buffer *buf;
882
883 if (V4L2_BUF_TYPE_VBI_CAPTURE == fh->type) {
884 if (!res_get(fh->dev,fh,RESOURCE_VBI))
885 return POLLERR;
886 return videobuf_poll_stream(file, &fh->vbiq, wait);
887 }
888
889 if (res_check(fh,RESOURCE_VIDEO)) {
890 /* streaming capture */
891 if (list_empty(&fh->vidq.stream))
892 return POLLERR;
893 buf = list_entry(fh->vidq.stream.next,struct cx88_buffer,vb.stream);
894 } else {
895 /* read() capture */
896 buf = (struct cx88_buffer*)fh->vidq.read_buf;
897 if (NULL == buf)
898 return POLLERR;
899 }
900 poll_wait(file, &buf->vb.done, wait);
901 if (buf->vb.state == VIDEOBUF_DONE ||
902 buf->vb.state == VIDEOBUF_ERROR)
903 return POLLIN|POLLRDNORM;
904 return 0;
905 }
906
video_release(struct file * file)907 static int video_release(struct file *file)
908 {
909 struct cx8800_fh *fh = file->private_data;
910 struct cx8800_dev *dev = fh->dev;
911
912 /* turn off overlay */
913 if (res_check(fh, RESOURCE_OVERLAY)) {
914 /* FIXME */
915 res_free(dev,fh,RESOURCE_OVERLAY);
916 }
917
918 /* stop video capture */
919 if (res_check(fh, RESOURCE_VIDEO)) {
920 videobuf_queue_cancel(&fh->vidq);
921 res_free(dev,fh,RESOURCE_VIDEO);
922 }
923 if (fh->vidq.read_buf) {
924 buffer_release(&fh->vidq,fh->vidq.read_buf);
925 kfree(fh->vidq.read_buf);
926 }
927
928 /* stop vbi capture */
929 if (res_check(fh, RESOURCE_VBI)) {
930 videobuf_stop(&fh->vbiq);
931 res_free(dev,fh,RESOURCE_VBI);
932 }
933
934 videobuf_mmap_free(&fh->vidq);
935 videobuf_mmap_free(&fh->vbiq);
936 file->private_data = NULL;
937 kfree(fh);
938
939 if(atomic_dec_and_test(&dev->core->users))
940 cx88_call_i2c_clients (dev->core, TUNER_SET_STANDBY, NULL);
941
942 return 0;
943 }
944
945 static int
video_mmap(struct file * file,struct vm_area_struct * vma)946 video_mmap(struct file *file, struct vm_area_struct * vma)
947 {
948 struct cx8800_fh *fh = file->private_data;
949
950 return videobuf_mmap_mapper(get_queue(fh), vma);
951 }
952
953 /* ------------------------------------------------------------------ */
954 /* VIDEO CTRL IOCTLS */
955
cx88_get_control(struct cx88_core * core,struct v4l2_control * ctl)956 int cx88_get_control (struct cx88_core *core, struct v4l2_control *ctl)
957 {
958 struct cx88_ctrl *c = NULL;
959 u32 value;
960 int i;
961
962 for (i = 0; i < CX8800_CTLS; i++)
963 if (cx8800_ctls[i].v.id == ctl->id)
964 c = &cx8800_ctls[i];
965 if (unlikely(NULL == c))
966 return -EINVAL;
967
968 value = c->sreg ? cx_sread(c->sreg) : cx_read(c->reg);
969 switch (ctl->id) {
970 case V4L2_CID_AUDIO_BALANCE:
971 ctl->value = ((value & 0x7f) < 0x40) ? ((value & 0x7f) + 0x40)
972 : (0x7f - (value & 0x7f));
973 break;
974 case V4L2_CID_AUDIO_VOLUME:
975 ctl->value = 0x3f - (value & 0x3f);
976 break;
977 default:
978 ctl->value = ((value + (c->off << c->shift)) & c->mask) >> c->shift;
979 break;
980 }
981 dprintk(1,"get_control id=0x%X(%s) ctrl=0x%02x, reg=0x%02x val=0x%02x (mask 0x%02x)%s\n",
982 ctl->id, c->v.name, ctl->value, c->reg,
983 value,c->mask, c->sreg ? " [shadowed]" : "");
984 return 0;
985 }
986 EXPORT_SYMBOL(cx88_get_control);
987
cx88_set_control(struct cx88_core * core,struct v4l2_control * ctl)988 int cx88_set_control(struct cx88_core *core, struct v4l2_control *ctl)
989 {
990 struct cx88_ctrl *c = NULL;
991 u32 value,mask;
992 int i;
993
994 for (i = 0; i < CX8800_CTLS; i++) {
995 if (cx8800_ctls[i].v.id == ctl->id) {
996 c = &cx8800_ctls[i];
997 }
998 }
999 if (unlikely(NULL == c))
1000 return -EINVAL;
1001
1002 if (ctl->value < c->v.minimum)
1003 ctl->value = c->v.minimum;
1004 if (ctl->value > c->v.maximum)
1005 ctl->value = c->v.maximum;
1006 mask=c->mask;
1007 switch (ctl->id) {
1008 case V4L2_CID_AUDIO_BALANCE:
1009 value = (ctl->value < 0x40) ? (0x7f - ctl->value) : (ctl->value - 0x40);
1010 break;
1011 case V4L2_CID_AUDIO_VOLUME:
1012 value = 0x3f - (ctl->value & 0x3f);
1013 break;
1014 case V4L2_CID_SATURATION:
1015 /* special v_sat handling */
1016
1017 value = ((ctl->value - c->off) << c->shift) & c->mask;
1018
1019 if (core->tvnorm & V4L2_STD_SECAM) {
1020 /* For SECAM, both U and V sat should be equal */
1021 value=value<<8|value;
1022 } else {
1023 /* Keeps U Saturation proportional to V Sat */
1024 value=(value*0x5a)/0x7f<<8|value;
1025 }
1026 mask=0xffff;
1027 break;
1028 case V4L2_CID_CHROMA_AGC:
1029 /* Do not allow chroma AGC to be enabled for SECAM */
1030 value = ((ctl->value - c->off) << c->shift) & c->mask;
1031 if (core->tvnorm & V4L2_STD_SECAM && value)
1032 return -EINVAL;
1033 break;
1034 default:
1035 value = ((ctl->value - c->off) << c->shift) & c->mask;
1036 break;
1037 }
1038 dprintk(1,"set_control id=0x%X(%s) ctrl=0x%02x, reg=0x%02x val=0x%02x (mask 0x%02x)%s\n",
1039 ctl->id, c->v.name, ctl->value, c->reg, value,
1040 mask, c->sreg ? " [shadowed]" : "");
1041 if (c->sreg) {
1042 cx_sandor(c->sreg, c->reg, mask, value);
1043 } else {
1044 cx_andor(c->reg, mask, value);
1045 }
1046 return 0;
1047 }
1048 EXPORT_SYMBOL(cx88_set_control);
1049
init_controls(struct cx88_core * core)1050 static void init_controls(struct cx88_core *core)
1051 {
1052 struct v4l2_control ctrl;
1053 int i;
1054
1055 for (i = 0; i < CX8800_CTLS; i++) {
1056 ctrl.id=cx8800_ctls[i].v.id;
1057 ctrl.value=cx8800_ctls[i].v.default_value;
1058
1059 cx88_set_control(core, &ctrl);
1060 }
1061 }
1062
1063 /* ------------------------------------------------------------------ */
1064 /* VIDEO IOCTLS */
1065
vidioc_g_fmt_vid_cap(struct file * file,void * priv,struct v4l2_format * f)1066 static int vidioc_g_fmt_vid_cap(struct file *file, void *priv,
1067 struct v4l2_format *f)
1068 {
1069 struct cx8800_fh *fh = priv;
1070
1071 f->fmt.pix.width = fh->width;
1072 f->fmt.pix.height = fh->height;
1073 f->fmt.pix.field = fh->vidq.field;
1074 f->fmt.pix.pixelformat = fh->fmt->fourcc;
1075 f->fmt.pix.bytesperline =
1076 (f->fmt.pix.width * fh->fmt->depth) >> 3;
1077 f->fmt.pix.sizeimage =
1078 f->fmt.pix.height * f->fmt.pix.bytesperline;
1079 return 0;
1080 }
1081
vidioc_try_fmt_vid_cap(struct file * file,void * priv,struct v4l2_format * f)1082 static int vidioc_try_fmt_vid_cap(struct file *file, void *priv,
1083 struct v4l2_format *f)
1084 {
1085 struct cx88_core *core = ((struct cx8800_fh *)priv)->dev->core;
1086 struct cx8800_fmt *fmt;
1087 enum v4l2_field field;
1088 unsigned int maxw, maxh;
1089
1090 fmt = format_by_fourcc(f->fmt.pix.pixelformat);
1091 if (NULL == fmt)
1092 return -EINVAL;
1093
1094 field = f->fmt.pix.field;
1095 maxw = norm_maxw(core->tvnorm);
1096 maxh = norm_maxh(core->tvnorm);
1097
1098 if (V4L2_FIELD_ANY == field) {
1099 field = (f->fmt.pix.height > maxh/2)
1100 ? V4L2_FIELD_INTERLACED
1101 : V4L2_FIELD_BOTTOM;
1102 }
1103
1104 switch (field) {
1105 case V4L2_FIELD_TOP:
1106 case V4L2_FIELD_BOTTOM:
1107 maxh = maxh / 2;
1108 break;
1109 case V4L2_FIELD_INTERLACED:
1110 break;
1111 default:
1112 return -EINVAL;
1113 }
1114
1115 f->fmt.pix.field = field;
1116 if (f->fmt.pix.height < 32)
1117 f->fmt.pix.height = 32;
1118 if (f->fmt.pix.height > maxh)
1119 f->fmt.pix.height = maxh;
1120 if (f->fmt.pix.width < 48)
1121 f->fmt.pix.width = 48;
1122 if (f->fmt.pix.width > maxw)
1123 f->fmt.pix.width = maxw;
1124 f->fmt.pix.width &= ~0x03;
1125 f->fmt.pix.bytesperline =
1126 (f->fmt.pix.width * fmt->depth) >> 3;
1127 f->fmt.pix.sizeimage =
1128 f->fmt.pix.height * f->fmt.pix.bytesperline;
1129
1130 return 0;
1131 }
1132
vidioc_s_fmt_vid_cap(struct file * file,void * priv,struct v4l2_format * f)1133 static int vidioc_s_fmt_vid_cap(struct file *file, void *priv,
1134 struct v4l2_format *f)
1135 {
1136 struct cx8800_fh *fh = priv;
1137 int err = vidioc_try_fmt_vid_cap (file,priv,f);
1138
1139 if (0 != err)
1140 return err;
1141 fh->fmt = format_by_fourcc(f->fmt.pix.pixelformat);
1142 fh->width = f->fmt.pix.width;
1143 fh->height = f->fmt.pix.height;
1144 fh->vidq.field = f->fmt.pix.field;
1145 return 0;
1146 }
1147
vidioc_querycap(struct file * file,void * priv,struct v4l2_capability * cap)1148 static int vidioc_querycap (struct file *file, void *priv,
1149 struct v4l2_capability *cap)
1150 {
1151 struct cx8800_dev *dev = ((struct cx8800_fh *)priv)->dev;
1152 struct cx88_core *core = dev->core;
1153
1154 strcpy(cap->driver, "cx8800");
1155 strlcpy(cap->card, core->board.name, sizeof(cap->card));
1156 sprintf(cap->bus_info,"PCI:%s",pci_name(dev->pci));
1157 cap->version = CX88_VERSION_CODE;
1158 cap->capabilities =
1159 V4L2_CAP_VIDEO_CAPTURE |
1160 V4L2_CAP_READWRITE |
1161 V4L2_CAP_STREAMING |
1162 V4L2_CAP_VBI_CAPTURE;
1163 if (UNSET != core->board.tuner_type)
1164 cap->capabilities |= V4L2_CAP_TUNER;
1165 return 0;
1166 }
1167
vidioc_enum_fmt_vid_cap(struct file * file,void * priv,struct v4l2_fmtdesc * f)1168 static int vidioc_enum_fmt_vid_cap (struct file *file, void *priv,
1169 struct v4l2_fmtdesc *f)
1170 {
1171 if (unlikely(f->index >= ARRAY_SIZE(formats)))
1172 return -EINVAL;
1173
1174 strlcpy(f->description,formats[f->index].name,sizeof(f->description));
1175 f->pixelformat = formats[f->index].fourcc;
1176
1177 return 0;
1178 }
1179
1180 #ifdef CONFIG_VIDEO_V4L1_COMPAT
vidiocgmbuf(struct file * file,void * priv,struct video_mbuf * mbuf)1181 static int vidiocgmbuf (struct file *file, void *priv, struct video_mbuf *mbuf)
1182 {
1183 struct cx8800_fh *fh = priv;
1184
1185 return videobuf_cgmbuf (get_queue(fh), mbuf, 8);
1186 }
1187 #endif
1188
vidioc_reqbufs(struct file * file,void * priv,struct v4l2_requestbuffers * p)1189 static int vidioc_reqbufs (struct file *file, void *priv, struct v4l2_requestbuffers *p)
1190 {
1191 struct cx8800_fh *fh = priv;
1192 return (videobuf_reqbufs(get_queue(fh), p));
1193 }
1194
vidioc_querybuf(struct file * file,void * priv,struct v4l2_buffer * p)1195 static int vidioc_querybuf (struct file *file, void *priv, struct v4l2_buffer *p)
1196 {
1197 struct cx8800_fh *fh = priv;
1198 return (videobuf_querybuf(get_queue(fh), p));
1199 }
1200
vidioc_qbuf(struct file * file,void * priv,struct v4l2_buffer * p)1201 static int vidioc_qbuf (struct file *file, void *priv, struct v4l2_buffer *p)
1202 {
1203 struct cx8800_fh *fh = priv;
1204 return (videobuf_qbuf(get_queue(fh), p));
1205 }
1206
vidioc_dqbuf(struct file * file,void * priv,struct v4l2_buffer * p)1207 static int vidioc_dqbuf (struct file *file, void *priv, struct v4l2_buffer *p)
1208 {
1209 struct cx8800_fh *fh = priv;
1210 return (videobuf_dqbuf(get_queue(fh), p,
1211 file->f_flags & O_NONBLOCK));
1212 }
1213
vidioc_streamon(struct file * file,void * priv,enum v4l2_buf_type i)1214 static int vidioc_streamon(struct file *file, void *priv, enum v4l2_buf_type i)
1215 {
1216 struct cx8800_fh *fh = priv;
1217 struct cx8800_dev *dev = fh->dev;
1218
1219 /* We should remember that this driver also supports teletext, */
1220 /* so we have to test if the v4l2_buf_type is VBI capture data. */
1221 if (unlikely((fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) &&
1222 (fh->type != V4L2_BUF_TYPE_VBI_CAPTURE)))
1223 return -EINVAL;
1224
1225 if (unlikely(i != fh->type))
1226 return -EINVAL;
1227
1228 if (unlikely(!res_get(dev,fh,get_ressource(fh))))
1229 return -EBUSY;
1230 return videobuf_streamon(get_queue(fh));
1231 }
1232
vidioc_streamoff(struct file * file,void * priv,enum v4l2_buf_type i)1233 static int vidioc_streamoff(struct file *file, void *priv, enum v4l2_buf_type i)
1234 {
1235 struct cx8800_fh *fh = priv;
1236 struct cx8800_dev *dev = fh->dev;
1237 int err, res;
1238
1239 if ((fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) &&
1240 (fh->type != V4L2_BUF_TYPE_VBI_CAPTURE))
1241 return -EINVAL;
1242
1243 if (i != fh->type)
1244 return -EINVAL;
1245
1246 res = get_ressource(fh);
1247 err = videobuf_streamoff(get_queue(fh));
1248 if (err < 0)
1249 return err;
1250 res_free(dev,fh,res);
1251 return 0;
1252 }
1253
vidioc_s_std(struct file * file,void * priv,v4l2_std_id * tvnorms)1254 static int vidioc_s_std (struct file *file, void *priv, v4l2_std_id *tvnorms)
1255 {
1256 struct cx88_core *core = ((struct cx8800_fh *)priv)->dev->core;
1257
1258 mutex_lock(&core->lock);
1259 cx88_set_tvnorm(core,*tvnorms);
1260 mutex_unlock(&core->lock);
1261
1262 return 0;
1263 }
1264
1265 /* only one input in this sample driver */
cx88_enum_input(struct cx88_core * core,struct v4l2_input * i)1266 int cx88_enum_input (struct cx88_core *core,struct v4l2_input *i)
1267 {
1268 static const char *iname[] = {
1269 [ CX88_VMUX_COMPOSITE1 ] = "Composite1",
1270 [ CX88_VMUX_COMPOSITE2 ] = "Composite2",
1271 [ CX88_VMUX_COMPOSITE3 ] = "Composite3",
1272 [ CX88_VMUX_COMPOSITE4 ] = "Composite4",
1273 [ CX88_VMUX_SVIDEO ] = "S-Video",
1274 [ CX88_VMUX_TELEVISION ] = "Television",
1275 [ CX88_VMUX_CABLE ] = "Cable TV",
1276 [ CX88_VMUX_DVB ] = "DVB",
1277 [ CX88_VMUX_DEBUG ] = "for debug only",
1278 };
1279 unsigned int n;
1280
1281 n = i->index;
1282 if (n >= 4)
1283 return -EINVAL;
1284 if (0 == INPUT(n).type)
1285 return -EINVAL;
1286 memset(i,0,sizeof(*i));
1287 i->index = n;
1288 i->type = V4L2_INPUT_TYPE_CAMERA;
1289 strcpy(i->name,iname[INPUT(n).type]);
1290 if ((CX88_VMUX_TELEVISION == INPUT(n).type) ||
1291 (CX88_VMUX_CABLE == INPUT(n).type))
1292 i->type = V4L2_INPUT_TYPE_TUNER;
1293 i->std = CX88_NORMS;
1294 return 0;
1295 }
1296 EXPORT_SYMBOL(cx88_enum_input);
1297
vidioc_enum_input(struct file * file,void * priv,struct v4l2_input * i)1298 static int vidioc_enum_input (struct file *file, void *priv,
1299 struct v4l2_input *i)
1300 {
1301 struct cx88_core *core = ((struct cx8800_fh *)priv)->dev->core;
1302 return cx88_enum_input (core,i);
1303 }
1304
vidioc_g_input(struct file * file,void * priv,unsigned int * i)1305 static int vidioc_g_input (struct file *file, void *priv, unsigned int *i)
1306 {
1307 struct cx88_core *core = ((struct cx8800_fh *)priv)->dev->core;
1308
1309 *i = core->input;
1310 return 0;
1311 }
1312
vidioc_s_input(struct file * file,void * priv,unsigned int i)1313 static int vidioc_s_input (struct file *file, void *priv, unsigned int i)
1314 {
1315 struct cx88_core *core = ((struct cx8800_fh *)priv)->dev->core;
1316
1317 if (i >= 4)
1318 return -EINVAL;
1319
1320 mutex_lock(&core->lock);
1321 cx88_newstation(core);
1322 cx88_video_mux(core,i);
1323 mutex_unlock(&core->lock);
1324 return 0;
1325 }
1326
1327
1328
vidioc_queryctrl(struct file * file,void * priv,struct v4l2_queryctrl * qctrl)1329 static int vidioc_queryctrl (struct file *file, void *priv,
1330 struct v4l2_queryctrl *qctrl)
1331 {
1332 struct cx88_core *core = ((struct cx8800_fh *)priv)->dev->core;
1333
1334 qctrl->id = v4l2_ctrl_next(ctrl_classes, qctrl->id);
1335 if (unlikely(qctrl->id == 0))
1336 return -EINVAL;
1337 return cx8800_ctrl_query(core, qctrl);
1338 }
1339
vidioc_g_ctrl(struct file * file,void * priv,struct v4l2_control * ctl)1340 static int vidioc_g_ctrl (struct file *file, void *priv,
1341 struct v4l2_control *ctl)
1342 {
1343 struct cx88_core *core = ((struct cx8800_fh *)priv)->dev->core;
1344 return
1345 cx88_get_control(core,ctl);
1346 }
1347
vidioc_s_ctrl(struct file * file,void * priv,struct v4l2_control * ctl)1348 static int vidioc_s_ctrl (struct file *file, void *priv,
1349 struct v4l2_control *ctl)
1350 {
1351 struct cx88_core *core = ((struct cx8800_fh *)priv)->dev->core;
1352 return
1353 cx88_set_control(core,ctl);
1354 }
1355
vidioc_g_tuner(struct file * file,void * priv,struct v4l2_tuner * t)1356 static int vidioc_g_tuner (struct file *file, void *priv,
1357 struct v4l2_tuner *t)
1358 {
1359 struct cx88_core *core = ((struct cx8800_fh *)priv)->dev->core;
1360 u32 reg;
1361
1362 if (unlikely(UNSET == core->board.tuner_type))
1363 return -EINVAL;
1364 if (0 != t->index)
1365 return -EINVAL;
1366
1367 strcpy(t->name, "Television");
1368 t->type = V4L2_TUNER_ANALOG_TV;
1369 t->capability = V4L2_TUNER_CAP_NORM;
1370 t->rangehigh = 0xffffffffUL;
1371
1372 cx88_get_stereo(core ,t);
1373 reg = cx_read(MO_DEVICE_STATUS);
1374 t->signal = (reg & (1<<5)) ? 0xffff : 0x0000;
1375 return 0;
1376 }
1377
vidioc_s_tuner(struct file * file,void * priv,struct v4l2_tuner * t)1378 static int vidioc_s_tuner (struct file *file, void *priv,
1379 struct v4l2_tuner *t)
1380 {
1381 struct cx88_core *core = ((struct cx8800_fh *)priv)->dev->core;
1382
1383 if (UNSET == core->board.tuner_type)
1384 return -EINVAL;
1385 if (0 != t->index)
1386 return -EINVAL;
1387
1388 cx88_set_stereo(core, t->audmode, 1);
1389 return 0;
1390 }
1391
vidioc_g_frequency(struct file * file,void * priv,struct v4l2_frequency * f)1392 static int vidioc_g_frequency (struct file *file, void *priv,
1393 struct v4l2_frequency *f)
1394 {
1395 struct cx8800_fh *fh = priv;
1396 struct cx88_core *core = fh->dev->core;
1397
1398 if (unlikely(UNSET == core->board.tuner_type))
1399 return -EINVAL;
1400
1401 /* f->type = fh->radio ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV; */
1402 f->type = fh->radio ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV;
1403 f->frequency = core->freq;
1404
1405 cx88_call_i2c_clients(core,VIDIOC_G_FREQUENCY,f);
1406
1407 return 0;
1408 }
1409
cx88_set_freq(struct cx88_core * core,struct v4l2_frequency * f)1410 int cx88_set_freq (struct cx88_core *core,
1411 struct v4l2_frequency *f)
1412 {
1413 if (unlikely(UNSET == core->board.tuner_type))
1414 return -EINVAL;
1415 if (unlikely(f->tuner != 0))
1416 return -EINVAL;
1417
1418 mutex_lock(&core->lock);
1419 core->freq = f->frequency;
1420 cx88_newstation(core);
1421 cx88_call_i2c_clients(core,VIDIOC_S_FREQUENCY,f);
1422
1423 /* When changing channels it is required to reset TVAUDIO */
1424 msleep (10);
1425 cx88_set_tvaudio(core);
1426
1427 mutex_unlock(&core->lock);
1428
1429 return 0;
1430 }
1431 EXPORT_SYMBOL(cx88_set_freq);
1432
vidioc_s_frequency(struct file * file,void * priv,struct v4l2_frequency * f)1433 static int vidioc_s_frequency (struct file *file, void *priv,
1434 struct v4l2_frequency *f)
1435 {
1436 struct cx8800_fh *fh = priv;
1437 struct cx88_core *core = fh->dev->core;
1438
1439 if (unlikely(0 == fh->radio && f->type != V4L2_TUNER_ANALOG_TV))
1440 return -EINVAL;
1441 if (unlikely(1 == fh->radio && f->type != V4L2_TUNER_RADIO))
1442 return -EINVAL;
1443
1444 return
1445 cx88_set_freq (core,f);
1446 }
1447
1448 #ifdef CONFIG_VIDEO_ADV_DEBUG
vidioc_g_register(struct file * file,void * fh,struct v4l2_dbg_register * reg)1449 static int vidioc_g_register (struct file *file, void *fh,
1450 struct v4l2_dbg_register *reg)
1451 {
1452 struct cx88_core *core = ((struct cx8800_fh*)fh)->dev->core;
1453
1454 if (!v4l2_chip_match_host(®->match))
1455 return -EINVAL;
1456 /* cx2388x has a 24-bit register space */
1457 reg->val = cx_read(reg->reg & 0xffffff);
1458 reg->size = 4;
1459 return 0;
1460 }
1461
vidioc_s_register(struct file * file,void * fh,struct v4l2_dbg_register * reg)1462 static int vidioc_s_register (struct file *file, void *fh,
1463 struct v4l2_dbg_register *reg)
1464 {
1465 struct cx88_core *core = ((struct cx8800_fh*)fh)->dev->core;
1466
1467 if (!v4l2_chip_match_host(®->match))
1468 return -EINVAL;
1469 cx_write(reg->reg & 0xffffff, reg->val);
1470 return 0;
1471 }
1472 #endif
1473
1474 /* ----------------------------------------------------------- */
1475 /* RADIO ESPECIFIC IOCTLS */
1476 /* ----------------------------------------------------------- */
1477
radio_querycap(struct file * file,void * priv,struct v4l2_capability * cap)1478 static int radio_querycap (struct file *file, void *priv,
1479 struct v4l2_capability *cap)
1480 {
1481 struct cx8800_dev *dev = ((struct cx8800_fh *)priv)->dev;
1482 struct cx88_core *core = dev->core;
1483
1484 strcpy(cap->driver, "cx8800");
1485 strlcpy(cap->card, core->board.name, sizeof(cap->card));
1486 sprintf(cap->bus_info,"PCI:%s", pci_name(dev->pci));
1487 cap->version = CX88_VERSION_CODE;
1488 cap->capabilities = V4L2_CAP_TUNER;
1489 return 0;
1490 }
1491
radio_g_tuner(struct file * file,void * priv,struct v4l2_tuner * t)1492 static int radio_g_tuner (struct file *file, void *priv,
1493 struct v4l2_tuner *t)
1494 {
1495 struct cx88_core *core = ((struct cx8800_fh *)priv)->dev->core;
1496
1497 if (unlikely(t->index > 0))
1498 return -EINVAL;
1499
1500 strcpy(t->name, "Radio");
1501 t->type = V4L2_TUNER_RADIO;
1502
1503 cx88_call_i2c_clients(core,VIDIOC_G_TUNER,t);
1504 return 0;
1505 }
1506
radio_enum_input(struct file * file,void * priv,struct v4l2_input * i)1507 static int radio_enum_input (struct file *file, void *priv,
1508 struct v4l2_input *i)
1509 {
1510 if (i->index != 0)
1511 return -EINVAL;
1512 strcpy(i->name,"Radio");
1513 i->type = V4L2_INPUT_TYPE_TUNER;
1514
1515 return 0;
1516 }
1517
radio_g_audio(struct file * file,void * priv,struct v4l2_audio * a)1518 static int radio_g_audio (struct file *file, void *priv, struct v4l2_audio *a)
1519 {
1520 if (unlikely(a->index))
1521 return -EINVAL;
1522
1523 memset(a,0,sizeof(*a));
1524 strcpy(a->name,"Radio");
1525 return 0;
1526 }
1527
1528 /* FIXME: Should add a standard for radio */
1529
radio_s_tuner(struct file * file,void * priv,struct v4l2_tuner * t)1530 static int radio_s_tuner (struct file *file, void *priv,
1531 struct v4l2_tuner *t)
1532 {
1533 struct cx88_core *core = ((struct cx8800_fh *)priv)->dev->core;
1534
1535 if (0 != t->index)
1536 return -EINVAL;
1537
1538 cx88_call_i2c_clients(core,VIDIOC_S_TUNER,t);
1539
1540 return 0;
1541 }
1542
radio_s_audio(struct file * file,void * fh,struct v4l2_audio * a)1543 static int radio_s_audio (struct file *file, void *fh,
1544 struct v4l2_audio *a)
1545 {
1546 return 0;
1547 }
1548
radio_s_input(struct file * file,void * fh,unsigned int i)1549 static int radio_s_input (struct file *file, void *fh, unsigned int i)
1550 {
1551 return 0;
1552 }
1553
radio_queryctrl(struct file * file,void * priv,struct v4l2_queryctrl * c)1554 static int radio_queryctrl (struct file *file, void *priv,
1555 struct v4l2_queryctrl *c)
1556 {
1557 int i;
1558
1559 if (c->id < V4L2_CID_BASE ||
1560 c->id >= V4L2_CID_LASTP1)
1561 return -EINVAL;
1562 if (c->id == V4L2_CID_AUDIO_MUTE) {
1563 for (i = 0; i < CX8800_CTLS; i++)
1564 if (cx8800_ctls[i].v.id == c->id)
1565 break;
1566 *c = cx8800_ctls[i].v;
1567 } else
1568 *c = no_ctl;
1569 return 0;
1570 }
1571
1572 /* ----------------------------------------------------------- */
1573
cx8800_vid_timeout(unsigned long data)1574 static void cx8800_vid_timeout(unsigned long data)
1575 {
1576 struct cx8800_dev *dev = (struct cx8800_dev*)data;
1577 struct cx88_core *core = dev->core;
1578 struct cx88_dmaqueue *q = &dev->vidq;
1579 struct cx88_buffer *buf;
1580 unsigned long flags;
1581
1582 cx88_sram_channel_dump(core, &cx88_sram_channels[SRAM_CH21]);
1583
1584 cx_clear(MO_VID_DMACNTRL, 0x11);
1585 cx_clear(VID_CAPTURE_CONTROL, 0x06);
1586
1587 spin_lock_irqsave(&dev->slock,flags);
1588 while (!list_empty(&q->active)) {
1589 buf = list_entry(q->active.next, struct cx88_buffer, vb.queue);
1590 list_del(&buf->vb.queue);
1591 buf->vb.state = VIDEOBUF_ERROR;
1592 wake_up(&buf->vb.done);
1593 printk("%s/0: [%p/%d] timeout - dma=0x%08lx\n", core->name,
1594 buf, buf->vb.i, (unsigned long)buf->risc.dma);
1595 }
1596 restart_video_queue(dev,q);
1597 spin_unlock_irqrestore(&dev->slock,flags);
1598 }
1599
1600 static char *cx88_vid_irqs[32] = {
1601 "y_risci1", "u_risci1", "v_risci1", "vbi_risc1",
1602 "y_risci2", "u_risci2", "v_risci2", "vbi_risc2",
1603 "y_oflow", "u_oflow", "v_oflow", "vbi_oflow",
1604 "y_sync", "u_sync", "v_sync", "vbi_sync",
1605 "opc_err", "par_err", "rip_err", "pci_abort",
1606 };
1607
cx8800_vid_irq(struct cx8800_dev * dev)1608 static void cx8800_vid_irq(struct cx8800_dev *dev)
1609 {
1610 struct cx88_core *core = dev->core;
1611 u32 status, mask, count;
1612
1613 status = cx_read(MO_VID_INTSTAT);
1614 mask = cx_read(MO_VID_INTMSK);
1615 if (0 == (status & mask))
1616 return;
1617 cx_write(MO_VID_INTSTAT, status);
1618 if (irq_debug || (status & mask & ~0xff))
1619 cx88_print_irqbits(core->name, "irq vid",
1620 cx88_vid_irqs, ARRAY_SIZE(cx88_vid_irqs),
1621 status, mask);
1622
1623 /* risc op code error */
1624 if (status & (1 << 16)) {
1625 printk(KERN_WARNING "%s/0: video risc op code error\n",core->name);
1626 cx_clear(MO_VID_DMACNTRL, 0x11);
1627 cx_clear(VID_CAPTURE_CONTROL, 0x06);
1628 cx88_sram_channel_dump(core, &cx88_sram_channels[SRAM_CH21]);
1629 }
1630
1631 /* risc1 y */
1632 if (status & 0x01) {
1633 spin_lock(&dev->slock);
1634 count = cx_read(MO_VIDY_GPCNT);
1635 cx88_wakeup(core, &dev->vidq, count);
1636 spin_unlock(&dev->slock);
1637 }
1638
1639 /* risc1 vbi */
1640 if (status & 0x08) {
1641 spin_lock(&dev->slock);
1642 count = cx_read(MO_VBI_GPCNT);
1643 cx88_wakeup(core, &dev->vbiq, count);
1644 spin_unlock(&dev->slock);
1645 }
1646
1647 /* risc2 y */
1648 if (status & 0x10) {
1649 dprintk(2,"stopper video\n");
1650 spin_lock(&dev->slock);
1651 restart_video_queue(dev,&dev->vidq);
1652 spin_unlock(&dev->slock);
1653 }
1654
1655 /* risc2 vbi */
1656 if (status & 0x80) {
1657 dprintk(2,"stopper vbi\n");
1658 spin_lock(&dev->slock);
1659 cx8800_restart_vbi_queue(dev,&dev->vbiq);
1660 spin_unlock(&dev->slock);
1661 }
1662 }
1663
cx8800_irq(int irq,void * dev_id)1664 static irqreturn_t cx8800_irq(int irq, void *dev_id)
1665 {
1666 struct cx8800_dev *dev = dev_id;
1667 struct cx88_core *core = dev->core;
1668 u32 status;
1669 int loop, handled = 0;
1670
1671 for (loop = 0; loop < 10; loop++) {
1672 status = cx_read(MO_PCI_INTSTAT) &
1673 (core->pci_irqmask | PCI_INT_VIDINT);
1674 if (0 == status)
1675 goto out;
1676 cx_write(MO_PCI_INTSTAT, status);
1677 handled = 1;
1678
1679 if (status & core->pci_irqmask)
1680 cx88_core_irq(core,status);
1681 if (status & PCI_INT_VIDINT)
1682 cx8800_vid_irq(dev);
1683 };
1684 if (10 == loop) {
1685 printk(KERN_WARNING "%s/0: irq loop -- clearing mask\n",
1686 core->name);
1687 cx_write(MO_PCI_INTMSK,0);
1688 }
1689
1690 out:
1691 return IRQ_RETVAL(handled);
1692 }
1693
1694 /* ----------------------------------------------------------- */
1695 /* exported stuff */
1696
1697 static const struct v4l2_file_operations video_fops =
1698 {
1699 .owner = THIS_MODULE,
1700 .open = video_open,
1701 .release = video_release,
1702 .read = video_read,
1703 .poll = video_poll,
1704 .mmap = video_mmap,
1705 .ioctl = video_ioctl2,
1706 };
1707
1708 static const struct v4l2_ioctl_ops video_ioctl_ops = {
1709 .vidioc_querycap = vidioc_querycap,
1710 .vidioc_enum_fmt_vid_cap = vidioc_enum_fmt_vid_cap,
1711 .vidioc_g_fmt_vid_cap = vidioc_g_fmt_vid_cap,
1712 .vidioc_try_fmt_vid_cap = vidioc_try_fmt_vid_cap,
1713 .vidioc_s_fmt_vid_cap = vidioc_s_fmt_vid_cap,
1714 .vidioc_g_fmt_vbi_cap = cx8800_vbi_fmt,
1715 .vidioc_try_fmt_vbi_cap = cx8800_vbi_fmt,
1716 .vidioc_s_fmt_vbi_cap = cx8800_vbi_fmt,
1717 .vidioc_reqbufs = vidioc_reqbufs,
1718 .vidioc_querybuf = vidioc_querybuf,
1719 .vidioc_qbuf = vidioc_qbuf,
1720 .vidioc_dqbuf = vidioc_dqbuf,
1721 .vidioc_s_std = vidioc_s_std,
1722 .vidioc_enum_input = vidioc_enum_input,
1723 .vidioc_g_input = vidioc_g_input,
1724 .vidioc_s_input = vidioc_s_input,
1725 .vidioc_queryctrl = vidioc_queryctrl,
1726 .vidioc_g_ctrl = vidioc_g_ctrl,
1727 .vidioc_s_ctrl = vidioc_s_ctrl,
1728 .vidioc_streamon = vidioc_streamon,
1729 .vidioc_streamoff = vidioc_streamoff,
1730 #ifdef CONFIG_VIDEO_V4L1_COMPAT
1731 .vidiocgmbuf = vidiocgmbuf,
1732 #endif
1733 .vidioc_g_tuner = vidioc_g_tuner,
1734 .vidioc_s_tuner = vidioc_s_tuner,
1735 .vidioc_g_frequency = vidioc_g_frequency,
1736 .vidioc_s_frequency = vidioc_s_frequency,
1737 #ifdef CONFIG_VIDEO_ADV_DEBUG
1738 .vidioc_g_register = vidioc_g_register,
1739 .vidioc_s_register = vidioc_s_register,
1740 #endif
1741 };
1742
1743 static struct video_device cx8800_vbi_template;
1744
1745 static struct video_device cx8800_video_template = {
1746 .name = "cx8800-video",
1747 .fops = &video_fops,
1748 .minor = -1,
1749 .ioctl_ops = &video_ioctl_ops,
1750 .tvnorms = CX88_NORMS,
1751 .current_norm = V4L2_STD_NTSC_M,
1752 };
1753
1754 static const struct v4l2_file_operations radio_fops =
1755 {
1756 .owner = THIS_MODULE,
1757 .open = video_open,
1758 .release = video_release,
1759 .ioctl = video_ioctl2,
1760 };
1761
1762 static const struct v4l2_ioctl_ops radio_ioctl_ops = {
1763 .vidioc_querycap = radio_querycap,
1764 .vidioc_g_tuner = radio_g_tuner,
1765 .vidioc_enum_input = radio_enum_input,
1766 .vidioc_g_audio = radio_g_audio,
1767 .vidioc_s_tuner = radio_s_tuner,
1768 .vidioc_s_audio = radio_s_audio,
1769 .vidioc_s_input = radio_s_input,
1770 .vidioc_queryctrl = radio_queryctrl,
1771 .vidioc_g_ctrl = vidioc_g_ctrl,
1772 .vidioc_s_ctrl = vidioc_s_ctrl,
1773 .vidioc_g_frequency = vidioc_g_frequency,
1774 .vidioc_s_frequency = vidioc_s_frequency,
1775 #ifdef CONFIG_VIDEO_ADV_DEBUG
1776 .vidioc_g_register = vidioc_g_register,
1777 .vidioc_s_register = vidioc_s_register,
1778 #endif
1779 };
1780
1781 static struct video_device cx8800_radio_template = {
1782 .name = "cx8800-radio",
1783 .fops = &radio_fops,
1784 .minor = -1,
1785 .ioctl_ops = &radio_ioctl_ops,
1786 };
1787
1788 /* ----------------------------------------------------------- */
1789
cx8800_unregister_video(struct cx8800_dev * dev)1790 static void cx8800_unregister_video(struct cx8800_dev *dev)
1791 {
1792 if (dev->radio_dev) {
1793 if (-1 != dev->radio_dev->minor)
1794 video_unregister_device(dev->radio_dev);
1795 else
1796 video_device_release(dev->radio_dev);
1797 dev->radio_dev = NULL;
1798 }
1799 if (dev->vbi_dev) {
1800 if (-1 != dev->vbi_dev->minor)
1801 video_unregister_device(dev->vbi_dev);
1802 else
1803 video_device_release(dev->vbi_dev);
1804 dev->vbi_dev = NULL;
1805 }
1806 if (dev->video_dev) {
1807 if (-1 != dev->video_dev->minor)
1808 video_unregister_device(dev->video_dev);
1809 else
1810 video_device_release(dev->video_dev);
1811 dev->video_dev = NULL;
1812 }
1813 }
1814
cx8800_initdev(struct pci_dev * pci_dev,const struct pci_device_id * pci_id)1815 static int __devinit cx8800_initdev(struct pci_dev *pci_dev,
1816 const struct pci_device_id *pci_id)
1817 {
1818 struct cx8800_dev *dev;
1819 struct cx88_core *core;
1820
1821 int err;
1822
1823 dev = kzalloc(sizeof(*dev),GFP_KERNEL);
1824 if (NULL == dev)
1825 return -ENOMEM;
1826
1827 /* pci init */
1828 dev->pci = pci_dev;
1829 if (pci_enable_device(pci_dev)) {
1830 err = -EIO;
1831 goto fail_free;
1832 }
1833 core = cx88_core_get(dev->pci);
1834 if (NULL == core) {
1835 err = -EINVAL;
1836 goto fail_free;
1837 }
1838 dev->core = core;
1839
1840 /* print pci info */
1841 pci_read_config_byte(pci_dev, PCI_CLASS_REVISION, &dev->pci_rev);
1842 pci_read_config_byte(pci_dev, PCI_LATENCY_TIMER, &dev->pci_lat);
1843 printk(KERN_INFO "%s/0: found at %s, rev: %d, irq: %d, "
1844 "latency: %d, mmio: 0x%llx\n", core->name,
1845 pci_name(pci_dev), dev->pci_rev, pci_dev->irq,
1846 dev->pci_lat,(unsigned long long)pci_resource_start(pci_dev,0));
1847
1848 pci_set_master(pci_dev);
1849 if (!pci_dma_supported(pci_dev,DMA_32BIT_MASK)) {
1850 printk("%s/0: Oops: no 32bit PCI DMA ???\n",core->name);
1851 err = -EIO;
1852 goto fail_core;
1853 }
1854
1855 /* Initialize VBI template */
1856 memcpy( &cx8800_vbi_template, &cx8800_video_template,
1857 sizeof(cx8800_vbi_template) );
1858 strcpy(cx8800_vbi_template.name,"cx8800-vbi");
1859
1860 /* initialize driver struct */
1861 spin_lock_init(&dev->slock);
1862 core->tvnorm = cx8800_video_template.current_norm;
1863
1864 /* init video dma queues */
1865 INIT_LIST_HEAD(&dev->vidq.active);
1866 INIT_LIST_HEAD(&dev->vidq.queued);
1867 dev->vidq.timeout.function = cx8800_vid_timeout;
1868 dev->vidq.timeout.data = (unsigned long)dev;
1869 init_timer(&dev->vidq.timeout);
1870 cx88_risc_stopper(dev->pci,&dev->vidq.stopper,
1871 MO_VID_DMACNTRL,0x11,0x00);
1872
1873 /* init vbi dma queues */
1874 INIT_LIST_HEAD(&dev->vbiq.active);
1875 INIT_LIST_HEAD(&dev->vbiq.queued);
1876 dev->vbiq.timeout.function = cx8800_vbi_timeout;
1877 dev->vbiq.timeout.data = (unsigned long)dev;
1878 init_timer(&dev->vbiq.timeout);
1879 cx88_risc_stopper(dev->pci,&dev->vbiq.stopper,
1880 MO_VID_DMACNTRL,0x88,0x00);
1881
1882 /* get irq */
1883 err = request_irq(pci_dev->irq, cx8800_irq,
1884 IRQF_SHARED | IRQF_DISABLED, core->name, dev);
1885 if (err < 0) {
1886 printk(KERN_ERR "%s/0: can't get IRQ %d\n",
1887 core->name,pci_dev->irq);
1888 goto fail_core;
1889 }
1890 cx_set(MO_PCI_INTMSK, core->pci_irqmask);
1891
1892 /* load and configure helper modules */
1893
1894 if (core->board.audio_chip == V4L2_IDENT_WM8775)
1895 request_module("wm8775");
1896
1897 switch (core->boardnr) {
1898 case CX88_BOARD_DVICO_FUSIONHDTV_5_GOLD:
1899 case CX88_BOARD_DVICO_FUSIONHDTV_7_GOLD:
1900 request_module("rtc-isl1208");
1901 /* break intentionally omitted */
1902 case CX88_BOARD_DVICO_FUSIONHDTV_5_PCI_NANO:
1903 request_module("ir-kbd-i2c");
1904 }
1905
1906 /* register v4l devices */
1907 dev->video_dev = cx88_vdev_init(core,dev->pci,
1908 &cx8800_video_template,"video");
1909 err = video_register_device(dev->video_dev,VFL_TYPE_GRABBER,
1910 video_nr[core->nr]);
1911 if (err < 0) {
1912 printk(KERN_ERR "%s/0: can't register video device\n",
1913 core->name);
1914 goto fail_unreg;
1915 }
1916 printk(KERN_INFO "%s/0: registered device video%d [v4l2]\n",
1917 core->name, dev->video_dev->num);
1918
1919 dev->vbi_dev = cx88_vdev_init(core,dev->pci,&cx8800_vbi_template,"vbi");
1920 err = video_register_device(dev->vbi_dev,VFL_TYPE_VBI,
1921 vbi_nr[core->nr]);
1922 if (err < 0) {
1923 printk(KERN_ERR "%s/0: can't register vbi device\n",
1924 core->name);
1925 goto fail_unreg;
1926 }
1927 printk(KERN_INFO "%s/0: registered device vbi%d\n",
1928 core->name, dev->vbi_dev->num);
1929
1930 if (core->board.radio.type == CX88_RADIO) {
1931 dev->radio_dev = cx88_vdev_init(core,dev->pci,
1932 &cx8800_radio_template,"radio");
1933 err = video_register_device(dev->radio_dev,VFL_TYPE_RADIO,
1934 radio_nr[core->nr]);
1935 if (err < 0) {
1936 printk(KERN_ERR "%s/0: can't register radio device\n",
1937 core->name);
1938 goto fail_unreg;
1939 }
1940 printk(KERN_INFO "%s/0: registered device radio%d\n",
1941 core->name, dev->radio_dev->num);
1942 }
1943
1944 /* everything worked */
1945 list_add_tail(&dev->devlist,&cx8800_devlist);
1946 pci_set_drvdata(pci_dev,dev);
1947
1948 /* initial device configuration */
1949 mutex_lock(&core->lock);
1950 cx88_set_tvnorm(core,core->tvnorm);
1951 init_controls(core);
1952 cx88_video_mux(core,0);
1953 mutex_unlock(&core->lock);
1954
1955 /* start tvaudio thread */
1956 if (core->board.tuner_type != TUNER_ABSENT) {
1957 core->kthread = kthread_run(cx88_audio_thread, core, "cx88 tvaudio");
1958 if (IS_ERR(core->kthread)) {
1959 err = PTR_ERR(core->kthread);
1960 printk(KERN_ERR "%s/0: failed to create cx88 audio thread, err=%d\n",
1961 core->name, err);
1962 }
1963 }
1964 return 0;
1965
1966 fail_unreg:
1967 cx8800_unregister_video(dev);
1968 free_irq(pci_dev->irq, dev);
1969 fail_core:
1970 cx88_core_put(core,dev->pci);
1971 fail_free:
1972 kfree(dev);
1973 return err;
1974 }
1975
cx8800_finidev(struct pci_dev * pci_dev)1976 static void __devexit cx8800_finidev(struct pci_dev *pci_dev)
1977 {
1978 struct cx8800_dev *dev = pci_get_drvdata(pci_dev);
1979 struct cx88_core *core = dev->core;
1980
1981 /* stop thread */
1982 if (core->kthread) {
1983 kthread_stop(core->kthread);
1984 core->kthread = NULL;
1985 }
1986
1987 if (core->ir)
1988 cx88_ir_stop(core, core->ir);
1989
1990 cx88_shutdown(core); /* FIXME */
1991 pci_disable_device(pci_dev);
1992
1993 /* unregister stuff */
1994
1995 free_irq(pci_dev->irq, dev);
1996 cx8800_unregister_video(dev);
1997 pci_set_drvdata(pci_dev, NULL);
1998
1999 /* free memory */
2000 btcx_riscmem_free(dev->pci,&dev->vidq.stopper);
2001 list_del(&dev->devlist);
2002 cx88_core_put(core,dev->pci);
2003 kfree(dev);
2004 }
2005
2006 #ifdef CONFIG_PM
cx8800_suspend(struct pci_dev * pci_dev,pm_message_t state)2007 static int cx8800_suspend(struct pci_dev *pci_dev, pm_message_t state)
2008 {
2009 struct cx8800_dev *dev = pci_get_drvdata(pci_dev);
2010 struct cx88_core *core = dev->core;
2011
2012 /* stop video+vbi capture */
2013 spin_lock(&dev->slock);
2014 if (!list_empty(&dev->vidq.active)) {
2015 printk("%s/0: suspend video\n", core->name);
2016 stop_video_dma(dev);
2017 del_timer(&dev->vidq.timeout);
2018 }
2019 if (!list_empty(&dev->vbiq.active)) {
2020 printk("%s/0: suspend vbi\n", core->name);
2021 cx8800_stop_vbi_dma(dev);
2022 del_timer(&dev->vbiq.timeout);
2023 }
2024 spin_unlock(&dev->slock);
2025
2026 if (core->ir)
2027 cx88_ir_stop(core, core->ir);
2028 /* FIXME -- shutdown device */
2029 cx88_shutdown(core);
2030
2031 pci_save_state(pci_dev);
2032 if (0 != pci_set_power_state(pci_dev, pci_choose_state(pci_dev, state))) {
2033 pci_disable_device(pci_dev);
2034 dev->state.disabled = 1;
2035 }
2036 return 0;
2037 }
2038
cx8800_resume(struct pci_dev * pci_dev)2039 static int cx8800_resume(struct pci_dev *pci_dev)
2040 {
2041 struct cx8800_dev *dev = pci_get_drvdata(pci_dev);
2042 struct cx88_core *core = dev->core;
2043 int err;
2044
2045 if (dev->state.disabled) {
2046 err=pci_enable_device(pci_dev);
2047 if (err) {
2048 printk(KERN_ERR "%s/0: can't enable device\n",
2049 core->name);
2050 return err;
2051 }
2052
2053 dev->state.disabled = 0;
2054 }
2055 err= pci_set_power_state(pci_dev, PCI_D0);
2056 if (err) {
2057 printk(KERN_ERR "%s/0: can't set power state\n", core->name);
2058 pci_disable_device(pci_dev);
2059 dev->state.disabled = 1;
2060
2061 return err;
2062 }
2063 pci_restore_state(pci_dev);
2064
2065 /* FIXME: re-initialize hardware */
2066 cx88_reset(core);
2067 if (core->ir)
2068 cx88_ir_start(core, core->ir);
2069
2070 cx_set(MO_PCI_INTMSK, core->pci_irqmask);
2071
2072 /* restart video+vbi capture */
2073 spin_lock(&dev->slock);
2074 if (!list_empty(&dev->vidq.active)) {
2075 printk("%s/0: resume video\n", core->name);
2076 restart_video_queue(dev,&dev->vidq);
2077 }
2078 if (!list_empty(&dev->vbiq.active)) {
2079 printk("%s/0: resume vbi\n", core->name);
2080 cx8800_restart_vbi_queue(dev,&dev->vbiq);
2081 }
2082 spin_unlock(&dev->slock);
2083
2084 return 0;
2085 }
2086 #endif
2087
2088 /* ----------------------------------------------------------- */
2089
2090 static struct pci_device_id cx8800_pci_tbl[] = {
2091 {
2092 .vendor = 0x14f1,
2093 .device = 0x8800,
2094 .subvendor = PCI_ANY_ID,
2095 .subdevice = PCI_ANY_ID,
2096 },{
2097 /* --- end of list --- */
2098 }
2099 };
2100 MODULE_DEVICE_TABLE(pci, cx8800_pci_tbl);
2101
2102 static struct pci_driver cx8800_pci_driver = {
2103 .name = "cx8800",
2104 .id_table = cx8800_pci_tbl,
2105 .probe = cx8800_initdev,
2106 .remove = __devexit_p(cx8800_finidev),
2107 #ifdef CONFIG_PM
2108 .suspend = cx8800_suspend,
2109 .resume = cx8800_resume,
2110 #endif
2111 };
2112
cx8800_init(void)2113 static int cx8800_init(void)
2114 {
2115 printk(KERN_INFO "cx88/0: cx2388x v4l2 driver version %d.%d.%d loaded\n",
2116 (CX88_VERSION_CODE >> 16) & 0xff,
2117 (CX88_VERSION_CODE >> 8) & 0xff,
2118 CX88_VERSION_CODE & 0xff);
2119 #ifdef SNAPSHOT
2120 printk(KERN_INFO "cx2388x: snapshot date %04d-%02d-%02d\n",
2121 SNAPSHOT/10000, (SNAPSHOT/100)%100, SNAPSHOT%100);
2122 #endif
2123 return pci_register_driver(&cx8800_pci_driver);
2124 }
2125
cx8800_fini(void)2126 static void cx8800_fini(void)
2127 {
2128 pci_unregister_driver(&cx8800_pci_driver);
2129 }
2130
2131 module_init(cx8800_init);
2132 module_exit(cx8800_fini);
2133
2134 /* ----------------------------------------------------------- */
2135 /*
2136 * Local variables:
2137 * c-basic-offset: 8
2138 * End:
2139 * 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
2140 */
2141