1 /*
2 *
3 * device driver for Conexant 2388x based TV cards
4 * video4linux video interface
5 *
6 * (c) 2003-04 Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]
7 *
8 * (c) 2005-2006 Mauro Carvalho Chehab <mchehab@infradead.org>
9 * - Multituner support
10 * - video_ioctl2 conversion
11 * - PAL/M fixes
12 *
13 * This program is free software; you can redistribute it and/or modify
14 * it under the terms of the GNU General Public License as published by
15 * the Free Software Foundation; either version 2 of the License, or
16 * (at your option) any later version.
17 *
18 * This program is distributed in the hope that it will be useful,
19 * but WITHOUT ANY WARRANTY; without even the implied warranty of
20 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
21 * GNU General Public License for more details.
22 *
23 * You should have received a copy of the GNU General Public License
24 * along with this program; if not, write to the Free Software
25 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
26 */
27
28 #include <linux/init.h>
29 #include <linux/list.h>
30 #include <linux/module.h>
31 #include <linux/kmod.h>
32 #include <linux/kernel.h>
33 #include <linux/slab.h>
34 #include <linux/interrupt.h>
35 #include <linux/dma-mapping.h>
36 #include <linux/delay.h>
37 #include <linux/kthread.h>
38 #include <asm/div64.h>
39
40 #include "cx88.h"
41 #include <media/v4l2-common.h>
42 #include <media/v4l2-ioctl.h>
43 #include <media/v4l2-event.h>
44 #include <media/wm8775.h>
45
46 MODULE_DESCRIPTION("v4l2 driver module for cx2388x based TV cards");
47 MODULE_AUTHOR("Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]");
48 MODULE_LICENSE("GPL");
49 MODULE_VERSION(CX88_VERSION);
50
51 /* ------------------------------------------------------------------ */
52
53 static unsigned int video_nr[] = {[0 ... (CX88_MAXBOARDS - 1)] = UNSET };
54 static unsigned int vbi_nr[] = {[0 ... (CX88_MAXBOARDS - 1)] = UNSET };
55 static unsigned int radio_nr[] = {[0 ... (CX88_MAXBOARDS - 1)] = UNSET };
56
57 module_param_array(video_nr, int, NULL, 0444);
58 module_param_array(vbi_nr, int, NULL, 0444);
59 module_param_array(radio_nr, int, NULL, 0444);
60
61 MODULE_PARM_DESC(video_nr,"video device numbers");
62 MODULE_PARM_DESC(vbi_nr,"vbi device numbers");
63 MODULE_PARM_DESC(radio_nr,"radio device numbers");
64
65 static unsigned int video_debug;
66 module_param(video_debug,int,0644);
67 MODULE_PARM_DESC(video_debug,"enable debug messages [video]");
68
69 static unsigned int irq_debug;
70 module_param(irq_debug,int,0644);
71 MODULE_PARM_DESC(irq_debug,"enable debug messages [IRQ handler]");
72
73 static unsigned int vid_limit = 16;
74 module_param(vid_limit,int,0644);
75 MODULE_PARM_DESC(vid_limit,"capture memory limit in megabytes");
76
77 #define dprintk(level,fmt, arg...) if (video_debug >= level) \
78 printk(KERN_DEBUG "%s/0: " fmt, core->name , ## arg)
79
80 /* ------------------------------------------------------------------- */
81 /* static data */
82
83 static const struct cx8800_fmt formats[] = {
84 {
85 .name = "8 bpp, gray",
86 .fourcc = V4L2_PIX_FMT_GREY,
87 .cxformat = ColorFormatY8,
88 .depth = 8,
89 .flags = FORMAT_FLAGS_PACKED,
90 },{
91 .name = "15 bpp RGB, le",
92 .fourcc = V4L2_PIX_FMT_RGB555,
93 .cxformat = ColorFormatRGB15,
94 .depth = 16,
95 .flags = FORMAT_FLAGS_PACKED,
96 },{
97 .name = "15 bpp RGB, be",
98 .fourcc = V4L2_PIX_FMT_RGB555X,
99 .cxformat = ColorFormatRGB15 | ColorFormatBSWAP,
100 .depth = 16,
101 .flags = FORMAT_FLAGS_PACKED,
102 },{
103 .name = "16 bpp RGB, le",
104 .fourcc = V4L2_PIX_FMT_RGB565,
105 .cxformat = ColorFormatRGB16,
106 .depth = 16,
107 .flags = FORMAT_FLAGS_PACKED,
108 },{
109 .name = "16 bpp RGB, be",
110 .fourcc = V4L2_PIX_FMT_RGB565X,
111 .cxformat = ColorFormatRGB16 | ColorFormatBSWAP,
112 .depth = 16,
113 .flags = FORMAT_FLAGS_PACKED,
114 },{
115 .name = "24 bpp RGB, le",
116 .fourcc = V4L2_PIX_FMT_BGR24,
117 .cxformat = ColorFormatRGB24,
118 .depth = 24,
119 .flags = FORMAT_FLAGS_PACKED,
120 },{
121 .name = "32 bpp RGB, le",
122 .fourcc = V4L2_PIX_FMT_BGR32,
123 .cxformat = ColorFormatRGB32,
124 .depth = 32,
125 .flags = FORMAT_FLAGS_PACKED,
126 },{
127 .name = "32 bpp RGB, be",
128 .fourcc = V4L2_PIX_FMT_RGB32,
129 .cxformat = ColorFormatRGB32 | ColorFormatBSWAP | ColorFormatWSWAP,
130 .depth = 32,
131 .flags = FORMAT_FLAGS_PACKED,
132 },{
133 .name = "4:2:2, packed, YUYV",
134 .fourcc = V4L2_PIX_FMT_YUYV,
135 .cxformat = ColorFormatYUY2,
136 .depth = 16,
137 .flags = FORMAT_FLAGS_PACKED,
138 },{
139 .name = "4:2:2, packed, UYVY",
140 .fourcc = V4L2_PIX_FMT_UYVY,
141 .cxformat = ColorFormatYUY2 | ColorFormatBSWAP,
142 .depth = 16,
143 .flags = FORMAT_FLAGS_PACKED,
144 },
145 };
146
format_by_fourcc(unsigned int fourcc)147 static const struct cx8800_fmt* format_by_fourcc(unsigned int fourcc)
148 {
149 unsigned int i;
150
151 for (i = 0; i < ARRAY_SIZE(formats); i++)
152 if (formats[i].fourcc == fourcc)
153 return formats+i;
154 return NULL;
155 }
156
157 /* ------------------------------------------------------------------- */
158
159 struct cx88_ctrl {
160 /* control information */
161 u32 id;
162 s32 minimum;
163 s32 maximum;
164 u32 step;
165 s32 default_value;
166
167 /* control register information */
168 u32 off;
169 u32 reg;
170 u32 sreg;
171 u32 mask;
172 u32 shift;
173 };
174
175 static const struct cx88_ctrl cx8800_vid_ctls[] = {
176 /* --- video --- */
177 {
178 .id = V4L2_CID_BRIGHTNESS,
179 .minimum = 0x00,
180 .maximum = 0xff,
181 .step = 1,
182 .default_value = 0x7f,
183 .off = 128,
184 .reg = MO_CONTR_BRIGHT,
185 .mask = 0x00ff,
186 .shift = 0,
187 },{
188 .id = V4L2_CID_CONTRAST,
189 .minimum = 0,
190 .maximum = 0xff,
191 .step = 1,
192 .default_value = 0x3f,
193 .off = 0,
194 .reg = MO_CONTR_BRIGHT,
195 .mask = 0xff00,
196 .shift = 8,
197 },{
198 .id = V4L2_CID_HUE,
199 .minimum = 0,
200 .maximum = 0xff,
201 .step = 1,
202 .default_value = 0x7f,
203 .off = 128,
204 .reg = MO_HUE,
205 .mask = 0x00ff,
206 .shift = 0,
207 },{
208 /* strictly, this only describes only U saturation.
209 * V saturation is handled specially through code.
210 */
211 .id = V4L2_CID_SATURATION,
212 .minimum = 0,
213 .maximum = 0xff,
214 .step = 1,
215 .default_value = 0x7f,
216 .off = 0,
217 .reg = MO_UV_SATURATION,
218 .mask = 0x00ff,
219 .shift = 0,
220 }, {
221 .id = V4L2_CID_SHARPNESS,
222 .minimum = 0,
223 .maximum = 4,
224 .step = 1,
225 .default_value = 0x0,
226 .off = 0,
227 /* NOTE: the value is converted and written to both even
228 and odd registers in the code */
229 .reg = MO_FILTER_ODD,
230 .mask = 7 << 7,
231 .shift = 7,
232 }, {
233 .id = V4L2_CID_CHROMA_AGC,
234 .minimum = 0,
235 .maximum = 1,
236 .default_value = 0x1,
237 .reg = MO_INPUT_FORMAT,
238 .mask = 1 << 10,
239 .shift = 10,
240 }, {
241 .id = V4L2_CID_COLOR_KILLER,
242 .minimum = 0,
243 .maximum = 1,
244 .default_value = 0x1,
245 .reg = MO_INPUT_FORMAT,
246 .mask = 1 << 9,
247 .shift = 9,
248 }, {
249 .id = V4L2_CID_BAND_STOP_FILTER,
250 .minimum = 0,
251 .maximum = 1,
252 .step = 1,
253 .default_value = 0x0,
254 .off = 0,
255 .reg = MO_HTOTAL,
256 .mask = 3 << 11,
257 .shift = 11,
258 }
259 };
260
261 static const struct cx88_ctrl cx8800_aud_ctls[] = {
262 {
263 /* --- audio --- */
264 .id = V4L2_CID_AUDIO_MUTE,
265 .minimum = 0,
266 .maximum = 1,
267 .default_value = 1,
268 .reg = AUD_VOL_CTL,
269 .sreg = SHADOW_AUD_VOL_CTL,
270 .mask = (1 << 6),
271 .shift = 6,
272 },{
273 .id = V4L2_CID_AUDIO_VOLUME,
274 .minimum = 0,
275 .maximum = 0x3f,
276 .step = 1,
277 .default_value = 0x3f,
278 .reg = AUD_VOL_CTL,
279 .sreg = SHADOW_AUD_VOL_CTL,
280 .mask = 0x3f,
281 .shift = 0,
282 },{
283 .id = V4L2_CID_AUDIO_BALANCE,
284 .minimum = 0,
285 .maximum = 0x7f,
286 .step = 1,
287 .default_value = 0x40,
288 .reg = AUD_BAL_CTL,
289 .sreg = SHADOW_AUD_BAL_CTL,
290 .mask = 0x7f,
291 .shift = 0,
292 }
293 };
294
295 enum {
296 CX8800_VID_CTLS = ARRAY_SIZE(cx8800_vid_ctls),
297 CX8800_AUD_CTLS = ARRAY_SIZE(cx8800_aud_ctls),
298 };
299
300 /* ------------------------------------------------------------------- */
301 /* resource management */
302
res_get(struct cx8800_dev * dev,struct cx8800_fh * fh,unsigned int bit)303 static int res_get(struct cx8800_dev *dev, struct cx8800_fh *fh, unsigned int bit)
304 {
305 struct cx88_core *core = dev->core;
306 if (fh->resources & bit)
307 /* have it already allocated */
308 return 1;
309
310 /* is it free? */
311 mutex_lock(&core->lock);
312 if (dev->resources & bit) {
313 /* no, someone else uses it */
314 mutex_unlock(&core->lock);
315 return 0;
316 }
317 /* it's free, grab it */
318 fh->resources |= bit;
319 dev->resources |= bit;
320 dprintk(1,"res: get %d\n",bit);
321 mutex_unlock(&core->lock);
322 return 1;
323 }
324
325 static
res_check(struct cx8800_fh * fh,unsigned int bit)326 int res_check(struct cx8800_fh *fh, unsigned int bit)
327 {
328 return (fh->resources & bit);
329 }
330
331 static
res_locked(struct cx8800_dev * dev,unsigned int bit)332 int res_locked(struct cx8800_dev *dev, unsigned int bit)
333 {
334 return (dev->resources & bit);
335 }
336
337 static
res_free(struct cx8800_dev * dev,struct cx8800_fh * fh,unsigned int bits)338 void res_free(struct cx8800_dev *dev, struct cx8800_fh *fh, unsigned int bits)
339 {
340 struct cx88_core *core = dev->core;
341 BUG_ON((fh->resources & bits) != bits);
342
343 mutex_lock(&core->lock);
344 fh->resources &= ~bits;
345 dev->resources &= ~bits;
346 dprintk(1,"res: put %d\n",bits);
347 mutex_unlock(&core->lock);
348 }
349
350 /* ------------------------------------------------------------------ */
351
cx88_video_mux(struct cx88_core * core,unsigned int input)352 int cx88_video_mux(struct cx88_core *core, unsigned int input)
353 {
354 /* struct cx88_core *core = dev->core; */
355
356 dprintk(1,"video_mux: %d [vmux=%d,gpio=0x%x,0x%x,0x%x,0x%x]\n",
357 input, INPUT(input).vmux,
358 INPUT(input).gpio0,INPUT(input).gpio1,
359 INPUT(input).gpio2,INPUT(input).gpio3);
360 core->input = input;
361 cx_andor(MO_INPUT_FORMAT, 0x03 << 14, INPUT(input).vmux << 14);
362 cx_write(MO_GP3_IO, INPUT(input).gpio3);
363 cx_write(MO_GP0_IO, INPUT(input).gpio0);
364 cx_write(MO_GP1_IO, INPUT(input).gpio1);
365 cx_write(MO_GP2_IO, INPUT(input).gpio2);
366
367 switch (INPUT(input).type) {
368 case CX88_VMUX_SVIDEO:
369 cx_set(MO_AFECFG_IO, 0x00000001);
370 cx_set(MO_INPUT_FORMAT, 0x00010010);
371 cx_set(MO_FILTER_EVEN, 0x00002020);
372 cx_set(MO_FILTER_ODD, 0x00002020);
373 break;
374 default:
375 cx_clear(MO_AFECFG_IO, 0x00000001);
376 cx_clear(MO_INPUT_FORMAT, 0x00010010);
377 cx_clear(MO_FILTER_EVEN, 0x00002020);
378 cx_clear(MO_FILTER_ODD, 0x00002020);
379 break;
380 }
381
382 /* if there are audioroutes defined, we have an external
383 ADC to deal with audio */
384 if (INPUT(input).audioroute) {
385 /* The wm8775 module has the "2" route hardwired into
386 the initialization. Some boards may use different
387 routes for different inputs. HVR-1300 surely does */
388 if (core->sd_wm8775) {
389 call_all(core, audio, s_routing,
390 INPUT(input).audioroute, 0, 0);
391 }
392 /* cx2388's C-ADC is connected to the tuner only.
393 When used with S-Video, that ADC is busy dealing with
394 chroma, so an external must be used for baseband audio */
395 if (INPUT(input).type != CX88_VMUX_TELEVISION &&
396 INPUT(input).type != CX88_VMUX_CABLE) {
397 /* "I2S ADC mode" */
398 core->tvaudio = WW_I2SADC;
399 cx88_set_tvaudio(core);
400 } else {
401 /* Normal mode */
402 cx_write(AUD_I2SCNTL, 0x0);
403 cx_clear(AUD_CTL, EN_I2SIN_ENABLE);
404 }
405 }
406
407 return 0;
408 }
409 EXPORT_SYMBOL(cx88_video_mux);
410
411 /* ------------------------------------------------------------------ */
412
start_video_dma(struct cx8800_dev * dev,struct cx88_dmaqueue * q,struct cx88_buffer * buf)413 static int start_video_dma(struct cx8800_dev *dev,
414 struct cx88_dmaqueue *q,
415 struct cx88_buffer *buf)
416 {
417 struct cx88_core *core = dev->core;
418
419 /* setup fifo + format */
420 cx88_sram_channel_setup(core, &cx88_sram_channels[SRAM_CH21],
421 buf->bpl, buf->risc.dma);
422 cx88_set_scale(core, buf->vb.width, buf->vb.height, buf->vb.field);
423 cx_write(MO_COLOR_CTRL, buf->fmt->cxformat | ColorFormatGamma);
424
425 /* reset counter */
426 cx_write(MO_VIDY_GPCNTRL,GP_COUNT_CONTROL_RESET);
427 q->count = 1;
428
429 /* enable irqs */
430 cx_set(MO_PCI_INTMSK, core->pci_irqmask | PCI_INT_VIDINT);
431
432 /* Enables corresponding bits at PCI_INT_STAT:
433 bits 0 to 4: video, audio, transport stream, VIP, Host
434 bit 7: timer
435 bits 8 and 9: DMA complete for: SRC, DST
436 bits 10 and 11: BERR signal asserted for RISC: RD, WR
437 bits 12 to 15: BERR signal asserted for: BRDG, SRC, DST, IPB
438 */
439 cx_set(MO_VID_INTMSK, 0x0f0011);
440
441 /* enable capture */
442 cx_set(VID_CAPTURE_CONTROL,0x06);
443
444 /* start dma */
445 cx_set(MO_DEV_CNTRL2, (1<<5));
446 cx_set(MO_VID_DMACNTRL, 0x11); /* Planar Y and packed FIFO and RISC enable */
447
448 return 0;
449 }
450
451 #ifdef CONFIG_PM
stop_video_dma(struct cx8800_dev * dev)452 static int stop_video_dma(struct cx8800_dev *dev)
453 {
454 struct cx88_core *core = dev->core;
455
456 /* stop dma */
457 cx_clear(MO_VID_DMACNTRL, 0x11);
458
459 /* disable capture */
460 cx_clear(VID_CAPTURE_CONTROL,0x06);
461
462 /* disable irqs */
463 cx_clear(MO_PCI_INTMSK, PCI_INT_VIDINT);
464 cx_clear(MO_VID_INTMSK, 0x0f0011);
465 return 0;
466 }
467 #endif
468
restart_video_queue(struct cx8800_dev * dev,struct cx88_dmaqueue * q)469 static int restart_video_queue(struct cx8800_dev *dev,
470 struct cx88_dmaqueue *q)
471 {
472 struct cx88_core *core = dev->core;
473 struct cx88_buffer *buf, *prev;
474
475 if (!list_empty(&q->active)) {
476 buf = list_entry(q->active.next, struct cx88_buffer, vb.queue);
477 dprintk(2,"restart_queue [%p/%d]: restart dma\n",
478 buf, buf->vb.i);
479 start_video_dma(dev, q, buf);
480 list_for_each_entry(buf, &q->active, vb.queue)
481 buf->count = q->count++;
482 mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT);
483 return 0;
484 }
485
486 prev = NULL;
487 for (;;) {
488 if (list_empty(&q->queued))
489 return 0;
490 buf = list_entry(q->queued.next, struct cx88_buffer, vb.queue);
491 if (NULL == prev) {
492 list_move_tail(&buf->vb.queue, &q->active);
493 start_video_dma(dev, q, buf);
494 buf->vb.state = VIDEOBUF_ACTIVE;
495 buf->count = q->count++;
496 mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT);
497 dprintk(2,"[%p/%d] restart_queue - first active\n",
498 buf,buf->vb.i);
499
500 } else if (prev->vb.width == buf->vb.width &&
501 prev->vb.height == buf->vb.height &&
502 prev->fmt == buf->fmt) {
503 list_move_tail(&buf->vb.queue, &q->active);
504 buf->vb.state = VIDEOBUF_ACTIVE;
505 buf->count = q->count++;
506 prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma);
507 dprintk(2,"[%p/%d] restart_queue - move to active\n",
508 buf,buf->vb.i);
509 } else {
510 return 0;
511 }
512 prev = buf;
513 }
514 }
515
516 /* ------------------------------------------------------------------ */
517
518 static int
buffer_setup(struct videobuf_queue * q,unsigned int * count,unsigned int * size)519 buffer_setup(struct videobuf_queue *q, unsigned int *count, unsigned int *size)
520 {
521 struct cx8800_fh *fh = q->priv_data;
522 struct cx8800_dev *dev = fh->dev;
523
524 *size = dev->fmt->depth * dev->width * dev->height >> 3;
525 if (0 == *count)
526 *count = 32;
527 if (*size * *count > vid_limit * 1024 * 1024)
528 *count = (vid_limit * 1024 * 1024) / *size;
529 return 0;
530 }
531
532 static int
buffer_prepare(struct videobuf_queue * q,struct videobuf_buffer * vb,enum v4l2_field field)533 buffer_prepare(struct videobuf_queue *q, struct videobuf_buffer *vb,
534 enum v4l2_field field)
535 {
536 struct cx8800_fh *fh = q->priv_data;
537 struct cx8800_dev *dev = fh->dev;
538 struct cx88_core *core = dev->core;
539 struct cx88_buffer *buf = container_of(vb,struct cx88_buffer,vb);
540 struct videobuf_dmabuf *dma=videobuf_to_dma(&buf->vb);
541 int rc, init_buffer = 0;
542
543 BUG_ON(NULL == dev->fmt);
544 if (dev->width < 48 || dev->width > norm_maxw(core->tvnorm) ||
545 dev->height < 32 || dev->height > norm_maxh(core->tvnorm))
546 return -EINVAL;
547 buf->vb.size = (dev->width * dev->height * dev->fmt->depth) >> 3;
548 if (0 != buf->vb.baddr && buf->vb.bsize < buf->vb.size)
549 return -EINVAL;
550
551 if (buf->fmt != dev->fmt ||
552 buf->vb.width != dev->width ||
553 buf->vb.height != dev->height ||
554 buf->vb.field != field) {
555 buf->fmt = dev->fmt;
556 buf->vb.width = dev->width;
557 buf->vb.height = dev->height;
558 buf->vb.field = field;
559 init_buffer = 1;
560 }
561
562 if (VIDEOBUF_NEEDS_INIT == buf->vb.state) {
563 init_buffer = 1;
564 if (0 != (rc = videobuf_iolock(q,&buf->vb,NULL)))
565 goto fail;
566 }
567
568 if (init_buffer) {
569 buf->bpl = buf->vb.width * buf->fmt->depth >> 3;
570 switch (buf->vb.field) {
571 case V4L2_FIELD_TOP:
572 cx88_risc_buffer(dev->pci, &buf->risc,
573 dma->sglist, 0, UNSET,
574 buf->bpl, 0, buf->vb.height);
575 break;
576 case V4L2_FIELD_BOTTOM:
577 cx88_risc_buffer(dev->pci, &buf->risc,
578 dma->sglist, UNSET, 0,
579 buf->bpl, 0, buf->vb.height);
580 break;
581 case V4L2_FIELD_INTERLACED:
582 cx88_risc_buffer(dev->pci, &buf->risc,
583 dma->sglist, 0, buf->bpl,
584 buf->bpl, buf->bpl,
585 buf->vb.height >> 1);
586 break;
587 case V4L2_FIELD_SEQ_TB:
588 cx88_risc_buffer(dev->pci, &buf->risc,
589 dma->sglist,
590 0, buf->bpl * (buf->vb.height >> 1),
591 buf->bpl, 0,
592 buf->vb.height >> 1);
593 break;
594 case V4L2_FIELD_SEQ_BT:
595 cx88_risc_buffer(dev->pci, &buf->risc,
596 dma->sglist,
597 buf->bpl * (buf->vb.height >> 1), 0,
598 buf->bpl, 0,
599 buf->vb.height >> 1);
600 break;
601 default:
602 BUG();
603 }
604 }
605 dprintk(2,"[%p/%d] buffer_prepare - %dx%d %dbpp \"%s\" - dma=0x%08lx\n",
606 buf, buf->vb.i,
607 dev->width, dev->height, dev->fmt->depth, dev->fmt->name,
608 (unsigned long)buf->risc.dma);
609
610 buf->vb.state = VIDEOBUF_PREPARED;
611 return 0;
612
613 fail:
614 cx88_free_buffer(q,buf);
615 return rc;
616 }
617
618 static void
buffer_queue(struct videobuf_queue * vq,struct videobuf_buffer * vb)619 buffer_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb)
620 {
621 struct cx88_buffer *buf = container_of(vb,struct cx88_buffer,vb);
622 struct cx88_buffer *prev;
623 struct cx8800_fh *fh = vq->priv_data;
624 struct cx8800_dev *dev = fh->dev;
625 struct cx88_core *core = dev->core;
626 struct cx88_dmaqueue *q = &dev->vidq;
627
628 /* add jump to stopper */
629 buf->risc.jmp[0] = cpu_to_le32(RISC_JUMP | RISC_IRQ1 | RISC_CNT_INC);
630 buf->risc.jmp[1] = cpu_to_le32(q->stopper.dma);
631
632 if (!list_empty(&q->queued)) {
633 list_add_tail(&buf->vb.queue,&q->queued);
634 buf->vb.state = VIDEOBUF_QUEUED;
635 dprintk(2,"[%p/%d] buffer_queue - append to queued\n",
636 buf, buf->vb.i);
637
638 } else if (list_empty(&q->active)) {
639 list_add_tail(&buf->vb.queue,&q->active);
640 start_video_dma(dev, q, buf);
641 buf->vb.state = VIDEOBUF_ACTIVE;
642 buf->count = q->count++;
643 mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT);
644 dprintk(2,"[%p/%d] buffer_queue - first active\n",
645 buf, buf->vb.i);
646
647 } else {
648 prev = list_entry(q->active.prev, struct cx88_buffer, vb.queue);
649 if (prev->vb.width == buf->vb.width &&
650 prev->vb.height == buf->vb.height &&
651 prev->fmt == buf->fmt) {
652 list_add_tail(&buf->vb.queue,&q->active);
653 buf->vb.state = VIDEOBUF_ACTIVE;
654 buf->count = q->count++;
655 prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma);
656 dprintk(2,"[%p/%d] buffer_queue - append to active\n",
657 buf, buf->vb.i);
658
659 } else {
660 list_add_tail(&buf->vb.queue,&q->queued);
661 buf->vb.state = VIDEOBUF_QUEUED;
662 dprintk(2,"[%p/%d] buffer_queue - first queued\n",
663 buf, buf->vb.i);
664 }
665 }
666 }
667
buffer_release(struct videobuf_queue * q,struct videobuf_buffer * vb)668 static void buffer_release(struct videobuf_queue *q, struct videobuf_buffer *vb)
669 {
670 struct cx88_buffer *buf = container_of(vb,struct cx88_buffer,vb);
671
672 cx88_free_buffer(q,buf);
673 }
674
675 static const struct videobuf_queue_ops cx8800_video_qops = {
676 .buf_setup = buffer_setup,
677 .buf_prepare = buffer_prepare,
678 .buf_queue = buffer_queue,
679 .buf_release = buffer_release,
680 };
681
682 /* ------------------------------------------------------------------ */
683
684
685 /* ------------------------------------------------------------------ */
686
get_queue(struct file * file)687 static struct videobuf_queue *get_queue(struct file *file)
688 {
689 struct video_device *vdev = video_devdata(file);
690 struct cx8800_fh *fh = file->private_data;
691
692 switch (vdev->vfl_type) {
693 case VFL_TYPE_GRABBER:
694 return &fh->vidq;
695 case VFL_TYPE_VBI:
696 return &fh->vbiq;
697 default:
698 BUG();
699 }
700 }
701
get_resource(struct file * file)702 static int get_resource(struct file *file)
703 {
704 struct video_device *vdev = video_devdata(file);
705
706 switch (vdev->vfl_type) {
707 case VFL_TYPE_GRABBER:
708 return RESOURCE_VIDEO;
709 case VFL_TYPE_VBI:
710 return RESOURCE_VBI;
711 default:
712 BUG();
713 }
714 }
715
video_open(struct file * file)716 static int video_open(struct file *file)
717 {
718 struct video_device *vdev = video_devdata(file);
719 struct cx8800_dev *dev = video_drvdata(file);
720 struct cx88_core *core = dev->core;
721 struct cx8800_fh *fh;
722 enum v4l2_buf_type type = 0;
723 int radio = 0;
724
725 switch (vdev->vfl_type) {
726 case VFL_TYPE_GRABBER:
727 type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
728 break;
729 case VFL_TYPE_VBI:
730 type = V4L2_BUF_TYPE_VBI_CAPTURE;
731 break;
732 case VFL_TYPE_RADIO:
733 radio = 1;
734 break;
735 }
736
737 dprintk(1, "open dev=%s radio=%d type=%s\n",
738 video_device_node_name(vdev), radio, v4l2_type_names[type]);
739
740 /* allocate + initialize per filehandle data */
741 fh = kzalloc(sizeof(*fh),GFP_KERNEL);
742 if (unlikely(!fh))
743 return -ENOMEM;
744
745 v4l2_fh_init(&fh->fh, vdev);
746 file->private_data = fh;
747 fh->dev = dev;
748
749 mutex_lock(&core->lock);
750
751 videobuf_queue_sg_init(&fh->vidq, &cx8800_video_qops,
752 &dev->pci->dev, &dev->slock,
753 V4L2_BUF_TYPE_VIDEO_CAPTURE,
754 V4L2_FIELD_INTERLACED,
755 sizeof(struct cx88_buffer),
756 fh, NULL);
757 videobuf_queue_sg_init(&fh->vbiq, &cx8800_vbi_qops,
758 &dev->pci->dev, &dev->slock,
759 V4L2_BUF_TYPE_VBI_CAPTURE,
760 V4L2_FIELD_SEQ_TB,
761 sizeof(struct cx88_buffer),
762 fh, NULL);
763
764 if (vdev->vfl_type == VFL_TYPE_RADIO) {
765 dprintk(1,"video_open: setting radio device\n");
766 cx_write(MO_GP3_IO, core->board.radio.gpio3);
767 cx_write(MO_GP0_IO, core->board.radio.gpio0);
768 cx_write(MO_GP1_IO, core->board.radio.gpio1);
769 cx_write(MO_GP2_IO, core->board.radio.gpio2);
770 if (core->board.radio.audioroute) {
771 if (core->sd_wm8775) {
772 call_all(core, audio, s_routing,
773 core->board.radio.audioroute, 0, 0);
774 }
775 /* "I2S ADC mode" */
776 core->tvaudio = WW_I2SADC;
777 cx88_set_tvaudio(core);
778 } else {
779 /* FM Mode */
780 core->tvaudio = WW_FM;
781 cx88_set_tvaudio(core);
782 cx88_set_stereo(core,V4L2_TUNER_MODE_STEREO,1);
783 }
784 call_all(core, tuner, s_radio);
785 }
786
787 core->users++;
788 mutex_unlock(&core->lock);
789 v4l2_fh_add(&fh->fh);
790
791 return 0;
792 }
793
794 static ssize_t
video_read(struct file * file,char __user * data,size_t count,loff_t * ppos)795 video_read(struct file *file, char __user *data, size_t count, loff_t *ppos)
796 {
797 struct video_device *vdev = video_devdata(file);
798 struct cx8800_fh *fh = file->private_data;
799
800 switch (vdev->vfl_type) {
801 case VFL_TYPE_GRABBER:
802 if (res_locked(fh->dev,RESOURCE_VIDEO))
803 return -EBUSY;
804 return videobuf_read_one(&fh->vidq, data, count, ppos,
805 file->f_flags & O_NONBLOCK);
806 case VFL_TYPE_VBI:
807 if (!res_get(fh->dev,fh,RESOURCE_VBI))
808 return -EBUSY;
809 return videobuf_read_stream(&fh->vbiq, data, count, ppos, 1,
810 file->f_flags & O_NONBLOCK);
811 default:
812 BUG();
813 }
814 }
815
816 static unsigned int
video_poll(struct file * file,struct poll_table_struct * wait)817 video_poll(struct file *file, struct poll_table_struct *wait)
818 {
819 struct video_device *vdev = video_devdata(file);
820 struct cx8800_fh *fh = file->private_data;
821 struct cx88_buffer *buf;
822 unsigned int rc = v4l2_ctrl_poll(file, wait);
823
824 if (vdev->vfl_type == VFL_TYPE_VBI) {
825 if (!res_get(fh->dev,fh,RESOURCE_VBI))
826 return rc | POLLERR;
827 return rc | videobuf_poll_stream(file, &fh->vbiq, wait);
828 }
829 mutex_lock(&fh->vidq.vb_lock);
830 if (res_check(fh,RESOURCE_VIDEO)) {
831 /* streaming capture */
832 if (list_empty(&fh->vidq.stream))
833 goto done;
834 buf = list_entry(fh->vidq.stream.next,struct cx88_buffer,vb.stream);
835 } else {
836 /* read() capture */
837 buf = (struct cx88_buffer*)fh->vidq.read_buf;
838 if (NULL == buf)
839 goto done;
840 }
841 poll_wait(file, &buf->vb.done, wait);
842 if (buf->vb.state == VIDEOBUF_DONE ||
843 buf->vb.state == VIDEOBUF_ERROR)
844 rc |= POLLIN|POLLRDNORM;
845 done:
846 mutex_unlock(&fh->vidq.vb_lock);
847 return rc;
848 }
849
video_release(struct file * file)850 static int video_release(struct file *file)
851 {
852 struct cx8800_fh *fh = file->private_data;
853 struct cx8800_dev *dev = fh->dev;
854
855 /* turn off overlay */
856 if (res_check(fh, RESOURCE_OVERLAY)) {
857 /* FIXME */
858 res_free(dev,fh,RESOURCE_OVERLAY);
859 }
860
861 /* stop video capture */
862 if (res_check(fh, RESOURCE_VIDEO)) {
863 videobuf_queue_cancel(&fh->vidq);
864 res_free(dev,fh,RESOURCE_VIDEO);
865 }
866 if (fh->vidq.read_buf) {
867 buffer_release(&fh->vidq,fh->vidq.read_buf);
868 kfree(fh->vidq.read_buf);
869 }
870
871 /* stop vbi capture */
872 if (res_check(fh, RESOURCE_VBI)) {
873 videobuf_stop(&fh->vbiq);
874 res_free(dev,fh,RESOURCE_VBI);
875 }
876
877 videobuf_mmap_free(&fh->vidq);
878 videobuf_mmap_free(&fh->vbiq);
879
880 mutex_lock(&dev->core->lock);
881 v4l2_fh_del(&fh->fh);
882 v4l2_fh_exit(&fh->fh);
883 file->private_data = NULL;
884 kfree(fh);
885
886 dev->core->users--;
887 if (!dev->core->users)
888 call_all(dev->core, core, s_power, 0);
889 mutex_unlock(&dev->core->lock);
890
891 return 0;
892 }
893
894 static int
video_mmap(struct file * file,struct vm_area_struct * vma)895 video_mmap(struct file *file, struct vm_area_struct * vma)
896 {
897 return videobuf_mmap_mapper(get_queue(file), vma);
898 }
899
900 /* ------------------------------------------------------------------ */
901 /* VIDEO CTRL IOCTLS */
902
cx8800_s_vid_ctrl(struct v4l2_ctrl * ctrl)903 static int cx8800_s_vid_ctrl(struct v4l2_ctrl *ctrl)
904 {
905 struct cx88_core *core =
906 container_of(ctrl->handler, struct cx88_core, video_hdl);
907 const struct cx88_ctrl *cc = ctrl->priv;
908 u32 value, mask;
909
910 mask = cc->mask;
911 switch (ctrl->id) {
912 case V4L2_CID_SATURATION:
913 /* special v_sat handling */
914
915 value = ((ctrl->val - cc->off) << cc->shift) & cc->mask;
916
917 if (core->tvnorm & V4L2_STD_SECAM) {
918 /* For SECAM, both U and V sat should be equal */
919 value = value << 8 | value;
920 } else {
921 /* Keeps U Saturation proportional to V Sat */
922 value = (value * 0x5a) / 0x7f << 8 | value;
923 }
924 mask = 0xffff;
925 break;
926 case V4L2_CID_SHARPNESS:
927 /* 0b000, 0b100, 0b101, 0b110, or 0b111 */
928 value = (ctrl->val < 1 ? 0 : ((ctrl->val + 3) << 7));
929 /* needs to be set for both fields */
930 cx_andor(MO_FILTER_EVEN, mask, value);
931 break;
932 case V4L2_CID_CHROMA_AGC:
933 value = ((ctrl->val - cc->off) << cc->shift) & cc->mask;
934 break;
935 default:
936 value = ((ctrl->val - cc->off) << cc->shift) & cc->mask;
937 break;
938 }
939 dprintk(1, "set_control id=0x%X(%s) ctrl=0x%02x, reg=0x%02x val=0x%02x (mask 0x%02x)%s\n",
940 ctrl->id, ctrl->name, ctrl->val, cc->reg, value,
941 mask, cc->sreg ? " [shadowed]" : "");
942 if (cc->sreg)
943 cx_sandor(cc->sreg, cc->reg, mask, value);
944 else
945 cx_andor(cc->reg, mask, value);
946 return 0;
947 }
948
cx8800_s_aud_ctrl(struct v4l2_ctrl * ctrl)949 static int cx8800_s_aud_ctrl(struct v4l2_ctrl *ctrl)
950 {
951 struct cx88_core *core =
952 container_of(ctrl->handler, struct cx88_core, audio_hdl);
953 const struct cx88_ctrl *cc = ctrl->priv;
954 u32 value,mask;
955
956 /* Pass changes onto any WM8775 */
957 if (core->sd_wm8775) {
958 switch (ctrl->id) {
959 case V4L2_CID_AUDIO_MUTE:
960 wm8775_s_ctrl(core, ctrl->id, ctrl->val);
961 break;
962 case V4L2_CID_AUDIO_VOLUME:
963 wm8775_s_ctrl(core, ctrl->id, (ctrl->val) ?
964 (0x90 + ctrl->val) << 8 : 0);
965 break;
966 case V4L2_CID_AUDIO_BALANCE:
967 wm8775_s_ctrl(core, ctrl->id, ctrl->val << 9);
968 break;
969 default:
970 break;
971 }
972 }
973
974 mask = cc->mask;
975 switch (ctrl->id) {
976 case V4L2_CID_AUDIO_BALANCE:
977 value = (ctrl->val < 0x40) ? (0x7f - ctrl->val) : (ctrl->val - 0x40);
978 break;
979 case V4L2_CID_AUDIO_VOLUME:
980 value = 0x3f - (ctrl->val & 0x3f);
981 break;
982 default:
983 value = ((ctrl->val - cc->off) << cc->shift) & cc->mask;
984 break;
985 }
986 dprintk(1,"set_control id=0x%X(%s) ctrl=0x%02x, reg=0x%02x val=0x%02x (mask 0x%02x)%s\n",
987 ctrl->id, ctrl->name, ctrl->val, cc->reg, value,
988 mask, cc->sreg ? " [shadowed]" : "");
989 if (cc->sreg)
990 cx_sandor(cc->sreg, cc->reg, mask, value);
991 else
992 cx_andor(cc->reg, mask, value);
993 return 0;
994 }
995
996 /* ------------------------------------------------------------------ */
997 /* VIDEO IOCTLS */
998
vidioc_g_fmt_vid_cap(struct file * file,void * priv,struct v4l2_format * f)999 static int vidioc_g_fmt_vid_cap(struct file *file, void *priv,
1000 struct v4l2_format *f)
1001 {
1002 struct cx8800_fh *fh = priv;
1003 struct cx8800_dev *dev = fh->dev;
1004
1005 f->fmt.pix.width = dev->width;
1006 f->fmt.pix.height = dev->height;
1007 f->fmt.pix.field = fh->vidq.field;
1008 f->fmt.pix.pixelformat = dev->fmt->fourcc;
1009 f->fmt.pix.bytesperline =
1010 (f->fmt.pix.width * dev->fmt->depth) >> 3;
1011 f->fmt.pix.sizeimage =
1012 f->fmt.pix.height * f->fmt.pix.bytesperline;
1013 f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M;
1014 return 0;
1015 }
1016
vidioc_try_fmt_vid_cap(struct file * file,void * priv,struct v4l2_format * f)1017 static int vidioc_try_fmt_vid_cap(struct file *file, void *priv,
1018 struct v4l2_format *f)
1019 {
1020 struct cx88_core *core = ((struct cx8800_fh *)priv)->dev->core;
1021 const struct cx8800_fmt *fmt;
1022 enum v4l2_field field;
1023 unsigned int maxw, maxh;
1024
1025 fmt = format_by_fourcc(f->fmt.pix.pixelformat);
1026 if (NULL == fmt)
1027 return -EINVAL;
1028
1029 field = f->fmt.pix.field;
1030 maxw = norm_maxw(core->tvnorm);
1031 maxh = norm_maxh(core->tvnorm);
1032
1033 if (V4L2_FIELD_ANY == field) {
1034 field = (f->fmt.pix.height > maxh/2)
1035 ? V4L2_FIELD_INTERLACED
1036 : V4L2_FIELD_BOTTOM;
1037 }
1038
1039 switch (field) {
1040 case V4L2_FIELD_TOP:
1041 case V4L2_FIELD_BOTTOM:
1042 maxh = maxh / 2;
1043 break;
1044 case V4L2_FIELD_INTERLACED:
1045 break;
1046 default:
1047 return -EINVAL;
1048 }
1049
1050 f->fmt.pix.field = field;
1051 v4l_bound_align_image(&f->fmt.pix.width, 48, maxw, 2,
1052 &f->fmt.pix.height, 32, maxh, 0, 0);
1053 f->fmt.pix.bytesperline =
1054 (f->fmt.pix.width * fmt->depth) >> 3;
1055 f->fmt.pix.sizeimage =
1056 f->fmt.pix.height * f->fmt.pix.bytesperline;
1057
1058 return 0;
1059 }
1060
vidioc_s_fmt_vid_cap(struct file * file,void * priv,struct v4l2_format * f)1061 static int vidioc_s_fmt_vid_cap(struct file *file, void *priv,
1062 struct v4l2_format *f)
1063 {
1064 struct cx8800_fh *fh = priv;
1065 struct cx8800_dev *dev = fh->dev;
1066 int err = vidioc_try_fmt_vid_cap (file,priv,f);
1067
1068 if (0 != err)
1069 return err;
1070 dev->fmt = format_by_fourcc(f->fmt.pix.pixelformat);
1071 dev->width = f->fmt.pix.width;
1072 dev->height = f->fmt.pix.height;
1073 fh->vidq.field = f->fmt.pix.field;
1074 return 0;
1075 }
1076
cx88_querycap(struct file * file,struct cx88_core * core,struct v4l2_capability * cap)1077 void cx88_querycap(struct file *file, struct cx88_core *core,
1078 struct v4l2_capability *cap)
1079 {
1080 struct video_device *vdev = video_devdata(file);
1081
1082 strlcpy(cap->card, core->board.name, sizeof(cap->card));
1083 cap->device_caps = V4L2_CAP_READWRITE | V4L2_CAP_STREAMING;
1084 if (UNSET != core->board.tuner_type)
1085 cap->device_caps |= V4L2_CAP_TUNER;
1086 switch (vdev->vfl_type) {
1087 case VFL_TYPE_RADIO:
1088 cap->device_caps = V4L2_CAP_RADIO | V4L2_CAP_TUNER;
1089 break;
1090 case VFL_TYPE_GRABBER:
1091 cap->device_caps |= V4L2_CAP_VIDEO_CAPTURE;
1092 break;
1093 case VFL_TYPE_VBI:
1094 cap->device_caps |= V4L2_CAP_VBI_CAPTURE;
1095 break;
1096 }
1097 cap->capabilities = cap->device_caps | V4L2_CAP_VIDEO_CAPTURE |
1098 V4L2_CAP_VBI_CAPTURE | V4L2_CAP_DEVICE_CAPS;
1099 if (core->board.radio.type == CX88_RADIO)
1100 cap->capabilities |= V4L2_CAP_RADIO;
1101 }
1102 EXPORT_SYMBOL(cx88_querycap);
1103
vidioc_querycap(struct file * file,void * priv,struct v4l2_capability * cap)1104 static int vidioc_querycap(struct file *file, void *priv,
1105 struct v4l2_capability *cap)
1106 {
1107 struct cx8800_dev *dev = ((struct cx8800_fh *)priv)->dev;
1108 struct cx88_core *core = dev->core;
1109
1110 strcpy(cap->driver, "cx8800");
1111 sprintf(cap->bus_info, "PCI:%s", pci_name(dev->pci));
1112 cx88_querycap(file, core, cap);
1113 return 0;
1114 }
1115
vidioc_enum_fmt_vid_cap(struct file * file,void * priv,struct v4l2_fmtdesc * f)1116 static int vidioc_enum_fmt_vid_cap (struct file *file, void *priv,
1117 struct v4l2_fmtdesc *f)
1118 {
1119 if (unlikely(f->index >= ARRAY_SIZE(formats)))
1120 return -EINVAL;
1121
1122 strlcpy(f->description,formats[f->index].name,sizeof(f->description));
1123 f->pixelformat = formats[f->index].fourcc;
1124
1125 return 0;
1126 }
1127
vidioc_reqbufs(struct file * file,void * priv,struct v4l2_requestbuffers * p)1128 static int vidioc_reqbufs (struct file *file, void *priv, struct v4l2_requestbuffers *p)
1129 {
1130 return videobuf_reqbufs(get_queue(file), p);
1131 }
1132
vidioc_querybuf(struct file * file,void * priv,struct v4l2_buffer * p)1133 static int vidioc_querybuf (struct file *file, void *priv, struct v4l2_buffer *p)
1134 {
1135 return videobuf_querybuf(get_queue(file), p);
1136 }
1137
vidioc_qbuf(struct file * file,void * priv,struct v4l2_buffer * p)1138 static int vidioc_qbuf (struct file *file, void *priv, struct v4l2_buffer *p)
1139 {
1140 return videobuf_qbuf(get_queue(file), p);
1141 }
1142
vidioc_dqbuf(struct file * file,void * priv,struct v4l2_buffer * p)1143 static int vidioc_dqbuf (struct file *file, void *priv, struct v4l2_buffer *p)
1144 {
1145 return videobuf_dqbuf(get_queue(file), p,
1146 file->f_flags & O_NONBLOCK);
1147 }
1148
vidioc_streamon(struct file * file,void * priv,enum v4l2_buf_type i)1149 static int vidioc_streamon(struct file *file, void *priv, enum v4l2_buf_type i)
1150 {
1151 struct video_device *vdev = video_devdata(file);
1152 struct cx8800_fh *fh = priv;
1153 struct cx8800_dev *dev = fh->dev;
1154
1155 if ((vdev->vfl_type == VFL_TYPE_GRABBER && i != V4L2_BUF_TYPE_VIDEO_CAPTURE) ||
1156 (vdev->vfl_type == VFL_TYPE_VBI && i != V4L2_BUF_TYPE_VBI_CAPTURE))
1157 return -EINVAL;
1158
1159 if (unlikely(!res_get(dev, fh, get_resource(file))))
1160 return -EBUSY;
1161 return videobuf_streamon(get_queue(file));
1162 }
1163
vidioc_streamoff(struct file * file,void * priv,enum v4l2_buf_type i)1164 static int vidioc_streamoff(struct file *file, void *priv, enum v4l2_buf_type i)
1165 {
1166 struct video_device *vdev = video_devdata(file);
1167 struct cx8800_fh *fh = priv;
1168 struct cx8800_dev *dev = fh->dev;
1169 int err, res;
1170
1171 if ((vdev->vfl_type == VFL_TYPE_GRABBER && i != V4L2_BUF_TYPE_VIDEO_CAPTURE) ||
1172 (vdev->vfl_type == VFL_TYPE_VBI && i != V4L2_BUF_TYPE_VBI_CAPTURE))
1173 return -EINVAL;
1174
1175 res = get_resource(file);
1176 err = videobuf_streamoff(get_queue(file));
1177 if (err < 0)
1178 return err;
1179 res_free(dev,fh,res);
1180 return 0;
1181 }
1182
vidioc_g_std(struct file * file,void * priv,v4l2_std_id * tvnorm)1183 static int vidioc_g_std(struct file *file, void *priv, v4l2_std_id *tvnorm)
1184 {
1185 struct cx88_core *core = ((struct cx8800_fh *)priv)->dev->core;
1186
1187 *tvnorm = core->tvnorm;
1188 return 0;
1189 }
1190
vidioc_s_std(struct file * file,void * priv,v4l2_std_id tvnorms)1191 static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id tvnorms)
1192 {
1193 struct cx88_core *core = ((struct cx8800_fh *)priv)->dev->core;
1194
1195 mutex_lock(&core->lock);
1196 cx88_set_tvnorm(core, tvnorms);
1197 mutex_unlock(&core->lock);
1198
1199 return 0;
1200 }
1201
1202 /* only one input in this sample driver */
cx88_enum_input(struct cx88_core * core,struct v4l2_input * i)1203 int cx88_enum_input (struct cx88_core *core,struct v4l2_input *i)
1204 {
1205 static const char * const iname[] = {
1206 [ CX88_VMUX_COMPOSITE1 ] = "Composite1",
1207 [ CX88_VMUX_COMPOSITE2 ] = "Composite2",
1208 [ CX88_VMUX_COMPOSITE3 ] = "Composite3",
1209 [ CX88_VMUX_COMPOSITE4 ] = "Composite4",
1210 [ CX88_VMUX_SVIDEO ] = "S-Video",
1211 [ CX88_VMUX_TELEVISION ] = "Television",
1212 [ CX88_VMUX_CABLE ] = "Cable TV",
1213 [ CX88_VMUX_DVB ] = "DVB",
1214 [ CX88_VMUX_DEBUG ] = "for debug only",
1215 };
1216 unsigned int n = i->index;
1217
1218 if (n >= 4)
1219 return -EINVAL;
1220 if (0 == INPUT(n).type)
1221 return -EINVAL;
1222 i->type = V4L2_INPUT_TYPE_CAMERA;
1223 strcpy(i->name,iname[INPUT(n).type]);
1224 if ((CX88_VMUX_TELEVISION == INPUT(n).type) ||
1225 (CX88_VMUX_CABLE == INPUT(n).type)) {
1226 i->type = V4L2_INPUT_TYPE_TUNER;
1227 }
1228 i->std = CX88_NORMS;
1229 return 0;
1230 }
1231 EXPORT_SYMBOL(cx88_enum_input);
1232
vidioc_enum_input(struct file * file,void * priv,struct v4l2_input * i)1233 static int vidioc_enum_input (struct file *file, void *priv,
1234 struct v4l2_input *i)
1235 {
1236 struct cx88_core *core = ((struct cx8800_fh *)priv)->dev->core;
1237 return cx88_enum_input (core,i);
1238 }
1239
vidioc_g_input(struct file * file,void * priv,unsigned int * i)1240 static int vidioc_g_input (struct file *file, void *priv, unsigned int *i)
1241 {
1242 struct cx88_core *core = ((struct cx8800_fh *)priv)->dev->core;
1243
1244 *i = core->input;
1245 return 0;
1246 }
1247
vidioc_s_input(struct file * file,void * priv,unsigned int i)1248 static int vidioc_s_input (struct file *file, void *priv, unsigned int i)
1249 {
1250 struct cx88_core *core = ((struct cx8800_fh *)priv)->dev->core;
1251
1252 if (i >= 4)
1253 return -EINVAL;
1254 if (0 == INPUT(i).type)
1255 return -EINVAL;
1256
1257 mutex_lock(&core->lock);
1258 cx88_newstation(core);
1259 cx88_video_mux(core,i);
1260 mutex_unlock(&core->lock);
1261 return 0;
1262 }
1263
vidioc_g_tuner(struct file * file,void * priv,struct v4l2_tuner * t)1264 static int vidioc_g_tuner (struct file *file, void *priv,
1265 struct v4l2_tuner *t)
1266 {
1267 struct cx88_core *core = ((struct cx8800_fh *)priv)->dev->core;
1268 u32 reg;
1269
1270 if (unlikely(UNSET == core->board.tuner_type))
1271 return -EINVAL;
1272 if (0 != t->index)
1273 return -EINVAL;
1274
1275 strcpy(t->name, "Television");
1276 t->capability = V4L2_TUNER_CAP_NORM;
1277 t->rangehigh = 0xffffffffUL;
1278 call_all(core, tuner, g_tuner, t);
1279
1280 cx88_get_stereo(core ,t);
1281 reg = cx_read(MO_DEVICE_STATUS);
1282 t->signal = (reg & (1<<5)) ? 0xffff : 0x0000;
1283 return 0;
1284 }
1285
vidioc_s_tuner(struct file * file,void * priv,const struct v4l2_tuner * t)1286 static int vidioc_s_tuner (struct file *file, void *priv,
1287 const struct v4l2_tuner *t)
1288 {
1289 struct cx88_core *core = ((struct cx8800_fh *)priv)->dev->core;
1290
1291 if (UNSET == core->board.tuner_type)
1292 return -EINVAL;
1293 if (0 != t->index)
1294 return -EINVAL;
1295
1296 cx88_set_stereo(core, t->audmode, 1);
1297 return 0;
1298 }
1299
vidioc_g_frequency(struct file * file,void * priv,struct v4l2_frequency * f)1300 static int vidioc_g_frequency (struct file *file, void *priv,
1301 struct v4l2_frequency *f)
1302 {
1303 struct cx8800_fh *fh = priv;
1304 struct cx88_core *core = fh->dev->core;
1305
1306 if (unlikely(UNSET == core->board.tuner_type))
1307 return -EINVAL;
1308 if (f->tuner)
1309 return -EINVAL;
1310
1311 f->frequency = core->freq;
1312
1313 call_all(core, tuner, g_frequency, f);
1314
1315 return 0;
1316 }
1317
cx88_set_freq(struct cx88_core * core,const struct v4l2_frequency * f)1318 int cx88_set_freq (struct cx88_core *core,
1319 const struct v4l2_frequency *f)
1320 {
1321 struct v4l2_frequency new_freq = *f;
1322
1323 if (unlikely(UNSET == core->board.tuner_type))
1324 return -EINVAL;
1325 if (unlikely(f->tuner != 0))
1326 return -EINVAL;
1327
1328 mutex_lock(&core->lock);
1329 cx88_newstation(core);
1330 call_all(core, tuner, s_frequency, f);
1331 call_all(core, tuner, g_frequency, &new_freq);
1332 core->freq = new_freq.frequency;
1333
1334 /* When changing channels it is required to reset TVAUDIO */
1335 msleep (10);
1336 cx88_set_tvaudio(core);
1337
1338 mutex_unlock(&core->lock);
1339
1340 return 0;
1341 }
1342 EXPORT_SYMBOL(cx88_set_freq);
1343
vidioc_s_frequency(struct file * file,void * priv,const struct v4l2_frequency * f)1344 static int vidioc_s_frequency (struct file *file, void *priv,
1345 const struct v4l2_frequency *f)
1346 {
1347 struct cx8800_fh *fh = priv;
1348 struct cx88_core *core = fh->dev->core;
1349
1350 return cx88_set_freq(core, f);
1351 }
1352
1353 #ifdef CONFIG_VIDEO_ADV_DEBUG
vidioc_g_register(struct file * file,void * fh,struct v4l2_dbg_register * reg)1354 static int vidioc_g_register (struct file *file, void *fh,
1355 struct v4l2_dbg_register *reg)
1356 {
1357 struct cx88_core *core = ((struct cx8800_fh*)fh)->dev->core;
1358
1359 /* cx2388x has a 24-bit register space */
1360 reg->val = cx_read(reg->reg & 0xfffffc);
1361 reg->size = 4;
1362 return 0;
1363 }
1364
vidioc_s_register(struct file * file,void * fh,const struct v4l2_dbg_register * reg)1365 static int vidioc_s_register (struct file *file, void *fh,
1366 const struct v4l2_dbg_register *reg)
1367 {
1368 struct cx88_core *core = ((struct cx8800_fh*)fh)->dev->core;
1369
1370 cx_write(reg->reg & 0xfffffc, reg->val);
1371 return 0;
1372 }
1373 #endif
1374
1375 /* ----------------------------------------------------------- */
1376 /* RADIO ESPECIFIC IOCTLS */
1377 /* ----------------------------------------------------------- */
1378
radio_g_tuner(struct file * file,void * priv,struct v4l2_tuner * t)1379 static int radio_g_tuner (struct file *file, void *priv,
1380 struct v4l2_tuner *t)
1381 {
1382 struct cx88_core *core = ((struct cx8800_fh *)priv)->dev->core;
1383
1384 if (unlikely(t->index > 0))
1385 return -EINVAL;
1386
1387 strcpy(t->name, "Radio");
1388
1389 call_all(core, tuner, g_tuner, t);
1390 return 0;
1391 }
1392
radio_s_tuner(struct file * file,void * priv,const struct v4l2_tuner * t)1393 static int radio_s_tuner (struct file *file, void *priv,
1394 const struct v4l2_tuner *t)
1395 {
1396 struct cx88_core *core = ((struct cx8800_fh *)priv)->dev->core;
1397
1398 if (0 != t->index)
1399 return -EINVAL;
1400
1401 call_all(core, tuner, s_tuner, t);
1402 return 0;
1403 }
1404
1405 /* ----------------------------------------------------------- */
1406
cx8800_vid_timeout(unsigned long data)1407 static void cx8800_vid_timeout(unsigned long data)
1408 {
1409 struct cx8800_dev *dev = (struct cx8800_dev*)data;
1410 struct cx88_core *core = dev->core;
1411 struct cx88_dmaqueue *q = &dev->vidq;
1412 struct cx88_buffer *buf;
1413 unsigned long flags;
1414
1415 cx88_sram_channel_dump(core, &cx88_sram_channels[SRAM_CH21]);
1416
1417 cx_clear(MO_VID_DMACNTRL, 0x11);
1418 cx_clear(VID_CAPTURE_CONTROL, 0x06);
1419
1420 spin_lock_irqsave(&dev->slock,flags);
1421 while (!list_empty(&q->active)) {
1422 buf = list_entry(q->active.next, struct cx88_buffer, vb.queue);
1423 list_del(&buf->vb.queue);
1424 buf->vb.state = VIDEOBUF_ERROR;
1425 wake_up(&buf->vb.done);
1426 printk("%s/0: [%p/%d] timeout - dma=0x%08lx\n", core->name,
1427 buf, buf->vb.i, (unsigned long)buf->risc.dma);
1428 }
1429 restart_video_queue(dev,q);
1430 spin_unlock_irqrestore(&dev->slock,flags);
1431 }
1432
1433 static const char *cx88_vid_irqs[32] = {
1434 "y_risci1", "u_risci1", "v_risci1", "vbi_risc1",
1435 "y_risci2", "u_risci2", "v_risci2", "vbi_risc2",
1436 "y_oflow", "u_oflow", "v_oflow", "vbi_oflow",
1437 "y_sync", "u_sync", "v_sync", "vbi_sync",
1438 "opc_err", "par_err", "rip_err", "pci_abort",
1439 };
1440
cx8800_vid_irq(struct cx8800_dev * dev)1441 static void cx8800_vid_irq(struct cx8800_dev *dev)
1442 {
1443 struct cx88_core *core = dev->core;
1444 u32 status, mask, count;
1445
1446 status = cx_read(MO_VID_INTSTAT);
1447 mask = cx_read(MO_VID_INTMSK);
1448 if (0 == (status & mask))
1449 return;
1450 cx_write(MO_VID_INTSTAT, status);
1451 if (irq_debug || (status & mask & ~0xff))
1452 cx88_print_irqbits(core->name, "irq vid",
1453 cx88_vid_irqs, ARRAY_SIZE(cx88_vid_irqs),
1454 status, mask);
1455
1456 /* risc op code error */
1457 if (status & (1 << 16)) {
1458 printk(KERN_WARNING "%s/0: video risc op code error\n",core->name);
1459 cx_clear(MO_VID_DMACNTRL, 0x11);
1460 cx_clear(VID_CAPTURE_CONTROL, 0x06);
1461 cx88_sram_channel_dump(core, &cx88_sram_channels[SRAM_CH21]);
1462 }
1463
1464 /* risc1 y */
1465 if (status & 0x01) {
1466 spin_lock(&dev->slock);
1467 count = cx_read(MO_VIDY_GPCNT);
1468 cx88_wakeup(core, &dev->vidq, count);
1469 spin_unlock(&dev->slock);
1470 }
1471
1472 /* risc1 vbi */
1473 if (status & 0x08) {
1474 spin_lock(&dev->slock);
1475 count = cx_read(MO_VBI_GPCNT);
1476 cx88_wakeup(core, &dev->vbiq, count);
1477 spin_unlock(&dev->slock);
1478 }
1479
1480 /* risc2 y */
1481 if (status & 0x10) {
1482 dprintk(2,"stopper video\n");
1483 spin_lock(&dev->slock);
1484 restart_video_queue(dev,&dev->vidq);
1485 spin_unlock(&dev->slock);
1486 }
1487
1488 /* risc2 vbi */
1489 if (status & 0x80) {
1490 dprintk(2,"stopper vbi\n");
1491 spin_lock(&dev->slock);
1492 cx8800_restart_vbi_queue(dev,&dev->vbiq);
1493 spin_unlock(&dev->slock);
1494 }
1495 }
1496
cx8800_irq(int irq,void * dev_id)1497 static irqreturn_t cx8800_irq(int irq, void *dev_id)
1498 {
1499 struct cx8800_dev *dev = dev_id;
1500 struct cx88_core *core = dev->core;
1501 u32 status;
1502 int loop, handled = 0;
1503
1504 for (loop = 0; loop < 10; loop++) {
1505 status = cx_read(MO_PCI_INTSTAT) &
1506 (core->pci_irqmask | PCI_INT_VIDINT);
1507 if (0 == status)
1508 goto out;
1509 cx_write(MO_PCI_INTSTAT, status);
1510 handled = 1;
1511
1512 if (status & core->pci_irqmask)
1513 cx88_core_irq(core,status);
1514 if (status & PCI_INT_VIDINT)
1515 cx8800_vid_irq(dev);
1516 }
1517 if (10 == loop) {
1518 printk(KERN_WARNING "%s/0: irq loop -- clearing mask\n",
1519 core->name);
1520 cx_write(MO_PCI_INTMSK,0);
1521 }
1522
1523 out:
1524 return IRQ_RETVAL(handled);
1525 }
1526
1527 /* ----------------------------------------------------------- */
1528 /* exported stuff */
1529
1530 static const struct v4l2_file_operations video_fops =
1531 {
1532 .owner = THIS_MODULE,
1533 .open = video_open,
1534 .release = video_release,
1535 .read = video_read,
1536 .poll = video_poll,
1537 .mmap = video_mmap,
1538 .unlocked_ioctl = video_ioctl2,
1539 };
1540
1541 static const struct v4l2_ioctl_ops video_ioctl_ops = {
1542 .vidioc_querycap = vidioc_querycap,
1543 .vidioc_enum_fmt_vid_cap = vidioc_enum_fmt_vid_cap,
1544 .vidioc_g_fmt_vid_cap = vidioc_g_fmt_vid_cap,
1545 .vidioc_try_fmt_vid_cap = vidioc_try_fmt_vid_cap,
1546 .vidioc_s_fmt_vid_cap = vidioc_s_fmt_vid_cap,
1547 .vidioc_reqbufs = vidioc_reqbufs,
1548 .vidioc_querybuf = vidioc_querybuf,
1549 .vidioc_qbuf = vidioc_qbuf,
1550 .vidioc_dqbuf = vidioc_dqbuf,
1551 .vidioc_g_std = vidioc_g_std,
1552 .vidioc_s_std = vidioc_s_std,
1553 .vidioc_enum_input = vidioc_enum_input,
1554 .vidioc_g_input = vidioc_g_input,
1555 .vidioc_s_input = vidioc_s_input,
1556 .vidioc_streamon = vidioc_streamon,
1557 .vidioc_streamoff = vidioc_streamoff,
1558 .vidioc_g_tuner = vidioc_g_tuner,
1559 .vidioc_s_tuner = vidioc_s_tuner,
1560 .vidioc_g_frequency = vidioc_g_frequency,
1561 .vidioc_s_frequency = vidioc_s_frequency,
1562 .vidioc_subscribe_event = v4l2_ctrl_subscribe_event,
1563 .vidioc_unsubscribe_event = v4l2_event_unsubscribe,
1564 #ifdef CONFIG_VIDEO_ADV_DEBUG
1565 .vidioc_g_register = vidioc_g_register,
1566 .vidioc_s_register = vidioc_s_register,
1567 #endif
1568 };
1569
1570 static const struct video_device cx8800_video_template = {
1571 .name = "cx8800-video",
1572 .fops = &video_fops,
1573 .ioctl_ops = &video_ioctl_ops,
1574 .tvnorms = CX88_NORMS,
1575 };
1576
1577 static const struct v4l2_ioctl_ops vbi_ioctl_ops = {
1578 .vidioc_querycap = vidioc_querycap,
1579 .vidioc_g_fmt_vbi_cap = cx8800_vbi_fmt,
1580 .vidioc_try_fmt_vbi_cap = cx8800_vbi_fmt,
1581 .vidioc_s_fmt_vbi_cap = cx8800_vbi_fmt,
1582 .vidioc_reqbufs = vidioc_reqbufs,
1583 .vidioc_querybuf = vidioc_querybuf,
1584 .vidioc_qbuf = vidioc_qbuf,
1585 .vidioc_dqbuf = vidioc_dqbuf,
1586 .vidioc_g_std = vidioc_g_std,
1587 .vidioc_s_std = vidioc_s_std,
1588 .vidioc_enum_input = vidioc_enum_input,
1589 .vidioc_g_input = vidioc_g_input,
1590 .vidioc_s_input = vidioc_s_input,
1591 .vidioc_streamon = vidioc_streamon,
1592 .vidioc_streamoff = vidioc_streamoff,
1593 .vidioc_g_tuner = vidioc_g_tuner,
1594 .vidioc_s_tuner = vidioc_s_tuner,
1595 .vidioc_g_frequency = vidioc_g_frequency,
1596 .vidioc_s_frequency = vidioc_s_frequency,
1597 #ifdef CONFIG_VIDEO_ADV_DEBUG
1598 .vidioc_g_register = vidioc_g_register,
1599 .vidioc_s_register = vidioc_s_register,
1600 #endif
1601 };
1602
1603 static const struct video_device cx8800_vbi_template = {
1604 .name = "cx8800-vbi",
1605 .fops = &video_fops,
1606 .ioctl_ops = &vbi_ioctl_ops,
1607 .tvnorms = CX88_NORMS,
1608 };
1609
1610 static const struct v4l2_file_operations radio_fops =
1611 {
1612 .owner = THIS_MODULE,
1613 .open = video_open,
1614 .poll = v4l2_ctrl_poll,
1615 .release = video_release,
1616 .unlocked_ioctl = video_ioctl2,
1617 };
1618
1619 static const struct v4l2_ioctl_ops radio_ioctl_ops = {
1620 .vidioc_querycap = vidioc_querycap,
1621 .vidioc_g_tuner = radio_g_tuner,
1622 .vidioc_s_tuner = radio_s_tuner,
1623 .vidioc_g_frequency = vidioc_g_frequency,
1624 .vidioc_s_frequency = vidioc_s_frequency,
1625 .vidioc_subscribe_event = v4l2_ctrl_subscribe_event,
1626 .vidioc_unsubscribe_event = v4l2_event_unsubscribe,
1627 #ifdef CONFIG_VIDEO_ADV_DEBUG
1628 .vidioc_g_register = vidioc_g_register,
1629 .vidioc_s_register = vidioc_s_register,
1630 #endif
1631 };
1632
1633 static const struct video_device cx8800_radio_template = {
1634 .name = "cx8800-radio",
1635 .fops = &radio_fops,
1636 .ioctl_ops = &radio_ioctl_ops,
1637 };
1638
1639 static const struct v4l2_ctrl_ops cx8800_ctrl_vid_ops = {
1640 .s_ctrl = cx8800_s_vid_ctrl,
1641 };
1642
1643 static const struct v4l2_ctrl_ops cx8800_ctrl_aud_ops = {
1644 .s_ctrl = cx8800_s_aud_ctrl,
1645 };
1646
1647 /* ----------------------------------------------------------- */
1648
cx8800_unregister_video(struct cx8800_dev * dev)1649 static void cx8800_unregister_video(struct cx8800_dev *dev)
1650 {
1651 if (dev->radio_dev) {
1652 if (video_is_registered(dev->radio_dev))
1653 video_unregister_device(dev->radio_dev);
1654 else
1655 video_device_release(dev->radio_dev);
1656 dev->radio_dev = NULL;
1657 }
1658 if (dev->vbi_dev) {
1659 if (video_is_registered(dev->vbi_dev))
1660 video_unregister_device(dev->vbi_dev);
1661 else
1662 video_device_release(dev->vbi_dev);
1663 dev->vbi_dev = NULL;
1664 }
1665 if (dev->video_dev) {
1666 if (video_is_registered(dev->video_dev))
1667 video_unregister_device(dev->video_dev);
1668 else
1669 video_device_release(dev->video_dev);
1670 dev->video_dev = NULL;
1671 }
1672 }
1673
cx8800_initdev(struct pci_dev * pci_dev,const struct pci_device_id * pci_id)1674 static int cx8800_initdev(struct pci_dev *pci_dev,
1675 const struct pci_device_id *pci_id)
1676 {
1677 struct cx8800_dev *dev;
1678 struct cx88_core *core;
1679 int err;
1680 int i;
1681
1682 dev = kzalloc(sizeof(*dev),GFP_KERNEL);
1683 if (NULL == dev)
1684 return -ENOMEM;
1685
1686 /* pci init */
1687 dev->pci = pci_dev;
1688 if (pci_enable_device(pci_dev)) {
1689 err = -EIO;
1690 goto fail_free;
1691 }
1692 core = cx88_core_get(dev->pci);
1693 if (NULL == core) {
1694 err = -EINVAL;
1695 goto fail_free;
1696 }
1697 dev->core = core;
1698
1699 /* print pci info */
1700 dev->pci_rev = pci_dev->revision;
1701 pci_read_config_byte(pci_dev, PCI_LATENCY_TIMER, &dev->pci_lat);
1702 printk(KERN_INFO "%s/0: found at %s, rev: %d, irq: %d, "
1703 "latency: %d, mmio: 0x%llx\n", core->name,
1704 pci_name(pci_dev), dev->pci_rev, pci_dev->irq,
1705 dev->pci_lat,(unsigned long long)pci_resource_start(pci_dev,0));
1706
1707 pci_set_master(pci_dev);
1708 if (!pci_dma_supported(pci_dev,DMA_BIT_MASK(32))) {
1709 printk("%s/0: Oops: no 32bit PCI DMA ???\n",core->name);
1710 err = -EIO;
1711 goto fail_core;
1712 }
1713
1714 /* initialize driver struct */
1715 spin_lock_init(&dev->slock);
1716 core->tvnorm = V4L2_STD_NTSC_M;
1717
1718 /* init video dma queues */
1719 INIT_LIST_HEAD(&dev->vidq.active);
1720 INIT_LIST_HEAD(&dev->vidq.queued);
1721 dev->vidq.timeout.function = cx8800_vid_timeout;
1722 dev->vidq.timeout.data = (unsigned long)dev;
1723 init_timer(&dev->vidq.timeout);
1724 cx88_risc_stopper(dev->pci,&dev->vidq.stopper,
1725 MO_VID_DMACNTRL,0x11,0x00);
1726
1727 /* init vbi dma queues */
1728 INIT_LIST_HEAD(&dev->vbiq.active);
1729 INIT_LIST_HEAD(&dev->vbiq.queued);
1730 dev->vbiq.timeout.function = cx8800_vbi_timeout;
1731 dev->vbiq.timeout.data = (unsigned long)dev;
1732 init_timer(&dev->vbiq.timeout);
1733 cx88_risc_stopper(dev->pci,&dev->vbiq.stopper,
1734 MO_VID_DMACNTRL,0x88,0x00);
1735
1736 /* get irq */
1737 err = request_irq(pci_dev->irq, cx8800_irq,
1738 IRQF_SHARED, core->name, dev);
1739 if (err < 0) {
1740 printk(KERN_ERR "%s/0: can't get IRQ %d\n",
1741 core->name,pci_dev->irq);
1742 goto fail_core;
1743 }
1744 cx_set(MO_PCI_INTMSK, core->pci_irqmask);
1745
1746 for (i = 0; i < CX8800_AUD_CTLS; i++) {
1747 const struct cx88_ctrl *cc = &cx8800_aud_ctls[i];
1748 struct v4l2_ctrl *vc;
1749
1750 vc = v4l2_ctrl_new_std(&core->audio_hdl, &cx8800_ctrl_aud_ops,
1751 cc->id, cc->minimum, cc->maximum, cc->step, cc->default_value);
1752 if (vc == NULL) {
1753 err = core->audio_hdl.error;
1754 goto fail_core;
1755 }
1756 vc->priv = (void *)cc;
1757 }
1758
1759 for (i = 0; i < CX8800_VID_CTLS; i++) {
1760 const struct cx88_ctrl *cc = &cx8800_vid_ctls[i];
1761 struct v4l2_ctrl *vc;
1762
1763 vc = v4l2_ctrl_new_std(&core->video_hdl, &cx8800_ctrl_vid_ops,
1764 cc->id, cc->minimum, cc->maximum, cc->step, cc->default_value);
1765 if (vc == NULL) {
1766 err = core->video_hdl.error;
1767 goto fail_core;
1768 }
1769 vc->priv = (void *)cc;
1770 if (vc->id == V4L2_CID_CHROMA_AGC)
1771 core->chroma_agc = vc;
1772 }
1773 v4l2_ctrl_add_handler(&core->video_hdl, &core->audio_hdl, NULL);
1774
1775 /* load and configure helper modules */
1776
1777 if (core->board.audio_chip == CX88_AUDIO_WM8775) {
1778 struct i2c_board_info wm8775_info = {
1779 .type = "wm8775",
1780 .addr = 0x36 >> 1,
1781 .platform_data = &core->wm8775_data,
1782 };
1783 struct v4l2_subdev *sd;
1784
1785 if (core->boardnr == CX88_BOARD_HAUPPAUGE_NOVASPLUS_S1)
1786 core->wm8775_data.is_nova_s = true;
1787 else
1788 core->wm8775_data.is_nova_s = false;
1789
1790 sd = v4l2_i2c_new_subdev_board(&core->v4l2_dev, &core->i2c_adap,
1791 &wm8775_info, NULL);
1792 if (sd != NULL) {
1793 core->sd_wm8775 = sd;
1794 sd->grp_id = WM8775_GID;
1795 }
1796 }
1797
1798 if (core->board.audio_chip == CX88_AUDIO_TVAUDIO) {
1799 /* This probes for a tda9874 as is used on some
1800 Pixelview Ultra boards. */
1801 v4l2_i2c_new_subdev(&core->v4l2_dev, &core->i2c_adap,
1802 "tvaudio", 0, I2C_ADDRS(0xb0 >> 1));
1803 }
1804
1805 switch (core->boardnr) {
1806 case CX88_BOARD_DVICO_FUSIONHDTV_5_GOLD:
1807 case CX88_BOARD_DVICO_FUSIONHDTV_7_GOLD: {
1808 static const struct i2c_board_info rtc_info = {
1809 I2C_BOARD_INFO("isl1208", 0x6f)
1810 };
1811
1812 request_module("rtc-isl1208");
1813 core->i2c_rtc = i2c_new_device(&core->i2c_adap, &rtc_info);
1814 }
1815 /* break intentionally omitted */
1816 case CX88_BOARD_DVICO_FUSIONHDTV_5_PCI_NANO:
1817 request_module("ir-kbd-i2c");
1818 }
1819
1820 /* Sets device info at pci_dev */
1821 pci_set_drvdata(pci_dev, dev);
1822
1823 dev->width = 320;
1824 dev->height = 240;
1825 dev->fmt = format_by_fourcc(V4L2_PIX_FMT_BGR24);
1826
1827 /* initial device configuration */
1828 mutex_lock(&core->lock);
1829 cx88_set_tvnorm(core, core->tvnorm);
1830 v4l2_ctrl_handler_setup(&core->video_hdl);
1831 v4l2_ctrl_handler_setup(&core->audio_hdl);
1832 cx88_video_mux(core, 0);
1833
1834 /* register v4l devices */
1835 dev->video_dev = cx88_vdev_init(core,dev->pci,
1836 &cx8800_video_template,"video");
1837 video_set_drvdata(dev->video_dev, dev);
1838 dev->video_dev->ctrl_handler = &core->video_hdl;
1839 err = video_register_device(dev->video_dev,VFL_TYPE_GRABBER,
1840 video_nr[core->nr]);
1841 if (err < 0) {
1842 printk(KERN_ERR "%s/0: can't register video device\n",
1843 core->name);
1844 goto fail_unreg;
1845 }
1846 printk(KERN_INFO "%s/0: registered device %s [v4l2]\n",
1847 core->name, video_device_node_name(dev->video_dev));
1848
1849 dev->vbi_dev = cx88_vdev_init(core,dev->pci,&cx8800_vbi_template,"vbi");
1850 video_set_drvdata(dev->vbi_dev, dev);
1851 err = video_register_device(dev->vbi_dev,VFL_TYPE_VBI,
1852 vbi_nr[core->nr]);
1853 if (err < 0) {
1854 printk(KERN_ERR "%s/0: can't register vbi device\n",
1855 core->name);
1856 goto fail_unreg;
1857 }
1858 printk(KERN_INFO "%s/0: registered device %s\n",
1859 core->name, video_device_node_name(dev->vbi_dev));
1860
1861 if (core->board.radio.type == CX88_RADIO) {
1862 dev->radio_dev = cx88_vdev_init(core,dev->pci,
1863 &cx8800_radio_template,"radio");
1864 video_set_drvdata(dev->radio_dev, dev);
1865 dev->radio_dev->ctrl_handler = &core->audio_hdl;
1866 err = video_register_device(dev->radio_dev,VFL_TYPE_RADIO,
1867 radio_nr[core->nr]);
1868 if (err < 0) {
1869 printk(KERN_ERR "%s/0: can't register radio device\n",
1870 core->name);
1871 goto fail_unreg;
1872 }
1873 printk(KERN_INFO "%s/0: registered device %s\n",
1874 core->name, video_device_node_name(dev->radio_dev));
1875 }
1876
1877 /* start tvaudio thread */
1878 if (core->board.tuner_type != TUNER_ABSENT) {
1879 core->kthread = kthread_run(cx88_audio_thread, core, "cx88 tvaudio");
1880 if (IS_ERR(core->kthread)) {
1881 err = PTR_ERR(core->kthread);
1882 printk(KERN_ERR "%s/0: failed to create cx88 audio thread, err=%d\n",
1883 core->name, err);
1884 }
1885 }
1886 mutex_unlock(&core->lock);
1887
1888 return 0;
1889
1890 fail_unreg:
1891 cx8800_unregister_video(dev);
1892 free_irq(pci_dev->irq, dev);
1893 mutex_unlock(&core->lock);
1894 fail_core:
1895 cx88_core_put(core,dev->pci);
1896 fail_free:
1897 kfree(dev);
1898 return err;
1899 }
1900
cx8800_finidev(struct pci_dev * pci_dev)1901 static void cx8800_finidev(struct pci_dev *pci_dev)
1902 {
1903 struct cx8800_dev *dev = pci_get_drvdata(pci_dev);
1904 struct cx88_core *core = dev->core;
1905
1906 /* stop thread */
1907 if (core->kthread) {
1908 kthread_stop(core->kthread);
1909 core->kthread = NULL;
1910 }
1911
1912 if (core->ir)
1913 cx88_ir_stop(core);
1914
1915 cx88_shutdown(core); /* FIXME */
1916 pci_disable_device(pci_dev);
1917
1918 /* unregister stuff */
1919
1920 free_irq(pci_dev->irq, dev);
1921 cx8800_unregister_video(dev);
1922
1923 /* free memory */
1924 btcx_riscmem_free(dev->pci,&dev->vidq.stopper);
1925 cx88_core_put(core,dev->pci);
1926 kfree(dev);
1927 }
1928
1929 #ifdef CONFIG_PM
cx8800_suspend(struct pci_dev * pci_dev,pm_message_t state)1930 static int cx8800_suspend(struct pci_dev *pci_dev, pm_message_t state)
1931 {
1932 struct cx8800_dev *dev = pci_get_drvdata(pci_dev);
1933 struct cx88_core *core = dev->core;
1934 unsigned long flags;
1935
1936 /* stop video+vbi capture */
1937 spin_lock_irqsave(&dev->slock, flags);
1938 if (!list_empty(&dev->vidq.active)) {
1939 printk("%s/0: suspend video\n", core->name);
1940 stop_video_dma(dev);
1941 del_timer(&dev->vidq.timeout);
1942 }
1943 if (!list_empty(&dev->vbiq.active)) {
1944 printk("%s/0: suspend vbi\n", core->name);
1945 cx8800_stop_vbi_dma(dev);
1946 del_timer(&dev->vbiq.timeout);
1947 }
1948 spin_unlock_irqrestore(&dev->slock, flags);
1949
1950 if (core->ir)
1951 cx88_ir_stop(core);
1952 /* FIXME -- shutdown device */
1953 cx88_shutdown(core);
1954
1955 pci_save_state(pci_dev);
1956 if (0 != pci_set_power_state(pci_dev, pci_choose_state(pci_dev, state))) {
1957 pci_disable_device(pci_dev);
1958 dev->state.disabled = 1;
1959 }
1960 return 0;
1961 }
1962
cx8800_resume(struct pci_dev * pci_dev)1963 static int cx8800_resume(struct pci_dev *pci_dev)
1964 {
1965 struct cx8800_dev *dev = pci_get_drvdata(pci_dev);
1966 struct cx88_core *core = dev->core;
1967 unsigned long flags;
1968 int err;
1969
1970 if (dev->state.disabled) {
1971 err=pci_enable_device(pci_dev);
1972 if (err) {
1973 printk(KERN_ERR "%s/0: can't enable device\n",
1974 core->name);
1975 return err;
1976 }
1977
1978 dev->state.disabled = 0;
1979 }
1980 err= pci_set_power_state(pci_dev, PCI_D0);
1981 if (err) {
1982 printk(KERN_ERR "%s/0: can't set power state\n", core->name);
1983 pci_disable_device(pci_dev);
1984 dev->state.disabled = 1;
1985
1986 return err;
1987 }
1988 pci_restore_state(pci_dev);
1989
1990 /* FIXME: re-initialize hardware */
1991 cx88_reset(core);
1992 if (core->ir)
1993 cx88_ir_start(core);
1994
1995 cx_set(MO_PCI_INTMSK, core->pci_irqmask);
1996
1997 /* restart video+vbi capture */
1998 spin_lock_irqsave(&dev->slock, flags);
1999 if (!list_empty(&dev->vidq.active)) {
2000 printk("%s/0: resume video\n", core->name);
2001 restart_video_queue(dev,&dev->vidq);
2002 }
2003 if (!list_empty(&dev->vbiq.active)) {
2004 printk("%s/0: resume vbi\n", core->name);
2005 cx8800_restart_vbi_queue(dev,&dev->vbiq);
2006 }
2007 spin_unlock_irqrestore(&dev->slock, flags);
2008
2009 return 0;
2010 }
2011 #endif
2012
2013 /* ----------------------------------------------------------- */
2014
2015 static const struct pci_device_id cx8800_pci_tbl[] = {
2016 {
2017 .vendor = 0x14f1,
2018 .device = 0x8800,
2019 .subvendor = PCI_ANY_ID,
2020 .subdevice = PCI_ANY_ID,
2021 },{
2022 /* --- end of list --- */
2023 }
2024 };
2025 MODULE_DEVICE_TABLE(pci, cx8800_pci_tbl);
2026
2027 static struct pci_driver cx8800_pci_driver = {
2028 .name = "cx8800",
2029 .id_table = cx8800_pci_tbl,
2030 .probe = cx8800_initdev,
2031 .remove = cx8800_finidev,
2032 #ifdef CONFIG_PM
2033 .suspend = cx8800_suspend,
2034 .resume = cx8800_resume,
2035 #endif
2036 };
2037
2038 module_pci_driver(cx8800_pci_driver);
2039