1 /*
2 *
3 * device driver for Conexant 2388x based TV cards
4 * video4linux video interface
5 *
6 * (c) 2003-04 Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]
7 *
8 * (c) 2005-2006 Mauro Carvalho Chehab <mchehab@infradead.org>
9 * - Multituner support
10 * - video_ioctl2 conversion
11 * - PAL/M fixes
12 *
13 * This program is free software; you can redistribute it and/or modify
14 * it under the terms of the GNU General Public License as published by
15 * the Free Software Foundation; either version 2 of the License, or
16 * (at your option) any later version.
17 *
18 * This program is distributed in the hope that it will be useful,
19 * but WITHOUT ANY WARRANTY; without even the implied warranty of
20 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
21 * GNU General Public License for more details.
22 *
23 * You should have received a copy of the GNU General Public License
24 * along with this program; if not, write to the Free Software
25 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
26 */
27
28 #include <linux/init.h>
29 #include <linux/list.h>
30 #include <linux/module.h>
31 #include <linux/kmod.h>
32 #include <linux/kernel.h>
33 #include <linux/slab.h>
34 #include <linux/interrupt.h>
35 #include <linux/dma-mapping.h>
36 #include <linux/delay.h>
37 #include <linux/kthread.h>
38 #include <asm/div64.h>
39
40 #include "cx88.h"
41 #include <media/v4l2-common.h>
42 #include <media/v4l2-ioctl.h>
43 #include <media/wm8775.h>
44
45 MODULE_DESCRIPTION("v4l2 driver module for cx2388x based TV cards");
46 MODULE_AUTHOR("Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]");
47 MODULE_LICENSE("GPL");
48 MODULE_VERSION(CX88_VERSION);
49
50 /* ------------------------------------------------------------------ */
51
52 static unsigned int video_nr[] = {[0 ... (CX88_MAXBOARDS - 1)] = UNSET };
53 static unsigned int vbi_nr[] = {[0 ... (CX88_MAXBOARDS - 1)] = UNSET };
54 static unsigned int radio_nr[] = {[0 ... (CX88_MAXBOARDS - 1)] = UNSET };
55
56 module_param_array(video_nr, int, NULL, 0444);
57 module_param_array(vbi_nr, int, NULL, 0444);
58 module_param_array(radio_nr, int, NULL, 0444);
59
60 MODULE_PARM_DESC(video_nr,"video device numbers");
61 MODULE_PARM_DESC(vbi_nr,"vbi device numbers");
62 MODULE_PARM_DESC(radio_nr,"radio device numbers");
63
64 static unsigned int video_debug;
65 module_param(video_debug,int,0644);
66 MODULE_PARM_DESC(video_debug,"enable debug messages [video]");
67
68 static unsigned int irq_debug;
69 module_param(irq_debug,int,0644);
70 MODULE_PARM_DESC(irq_debug,"enable debug messages [IRQ handler]");
71
72 static unsigned int vid_limit = 16;
73 module_param(vid_limit,int,0644);
74 MODULE_PARM_DESC(vid_limit,"capture memory limit in megabytes");
75
76 #define dprintk(level,fmt, arg...) if (video_debug >= level) \
77 printk(KERN_DEBUG "%s/0: " fmt, core->name , ## arg)
78
79 /* ------------------------------------------------------------------- */
80 /* static data */
81
82 static const struct cx8800_fmt formats[] = {
83 {
84 .name = "8 bpp, gray",
85 .fourcc = V4L2_PIX_FMT_GREY,
86 .cxformat = ColorFormatY8,
87 .depth = 8,
88 .flags = FORMAT_FLAGS_PACKED,
89 },{
90 .name = "15 bpp RGB, le",
91 .fourcc = V4L2_PIX_FMT_RGB555,
92 .cxformat = ColorFormatRGB15,
93 .depth = 16,
94 .flags = FORMAT_FLAGS_PACKED,
95 },{
96 .name = "15 bpp RGB, be",
97 .fourcc = V4L2_PIX_FMT_RGB555X,
98 .cxformat = ColorFormatRGB15 | ColorFormatBSWAP,
99 .depth = 16,
100 .flags = FORMAT_FLAGS_PACKED,
101 },{
102 .name = "16 bpp RGB, le",
103 .fourcc = V4L2_PIX_FMT_RGB565,
104 .cxformat = ColorFormatRGB16,
105 .depth = 16,
106 .flags = FORMAT_FLAGS_PACKED,
107 },{
108 .name = "16 bpp RGB, be",
109 .fourcc = V4L2_PIX_FMT_RGB565X,
110 .cxformat = ColorFormatRGB16 | ColorFormatBSWAP,
111 .depth = 16,
112 .flags = FORMAT_FLAGS_PACKED,
113 },{
114 .name = "24 bpp RGB, le",
115 .fourcc = V4L2_PIX_FMT_BGR24,
116 .cxformat = ColorFormatRGB24,
117 .depth = 24,
118 .flags = FORMAT_FLAGS_PACKED,
119 },{
120 .name = "32 bpp RGB, le",
121 .fourcc = V4L2_PIX_FMT_BGR32,
122 .cxformat = ColorFormatRGB32,
123 .depth = 32,
124 .flags = FORMAT_FLAGS_PACKED,
125 },{
126 .name = "32 bpp RGB, be",
127 .fourcc = V4L2_PIX_FMT_RGB32,
128 .cxformat = ColorFormatRGB32 | ColorFormatBSWAP | ColorFormatWSWAP,
129 .depth = 32,
130 .flags = FORMAT_FLAGS_PACKED,
131 },{
132 .name = "4:2:2, packed, YUYV",
133 .fourcc = V4L2_PIX_FMT_YUYV,
134 .cxformat = ColorFormatYUY2,
135 .depth = 16,
136 .flags = FORMAT_FLAGS_PACKED,
137 },{
138 .name = "4:2:2, packed, UYVY",
139 .fourcc = V4L2_PIX_FMT_UYVY,
140 .cxformat = ColorFormatYUY2 | ColorFormatBSWAP,
141 .depth = 16,
142 .flags = FORMAT_FLAGS_PACKED,
143 },
144 };
145
format_by_fourcc(unsigned int fourcc)146 static const struct cx8800_fmt* format_by_fourcc(unsigned int fourcc)
147 {
148 unsigned int i;
149
150 for (i = 0; i < ARRAY_SIZE(formats); i++)
151 if (formats[i].fourcc == fourcc)
152 return formats+i;
153 return NULL;
154 }
155
156 /* ------------------------------------------------------------------- */
157
158 static const struct v4l2_queryctrl no_ctl = {
159 .name = "42",
160 .flags = V4L2_CTRL_FLAG_DISABLED,
161 };
162
163 static const struct cx88_ctrl cx8800_ctls[] = {
164 /* --- video --- */
165 {
166 .v = {
167 .id = V4L2_CID_BRIGHTNESS,
168 .name = "Brightness",
169 .minimum = 0x00,
170 .maximum = 0xff,
171 .step = 1,
172 .default_value = 0x7f,
173 .type = V4L2_CTRL_TYPE_INTEGER,
174 },
175 .off = 128,
176 .reg = MO_CONTR_BRIGHT,
177 .mask = 0x00ff,
178 .shift = 0,
179 },{
180 .v = {
181 .id = V4L2_CID_CONTRAST,
182 .name = "Contrast",
183 .minimum = 0,
184 .maximum = 0xff,
185 .step = 1,
186 .default_value = 0x3f,
187 .type = V4L2_CTRL_TYPE_INTEGER,
188 },
189 .off = 0,
190 .reg = MO_CONTR_BRIGHT,
191 .mask = 0xff00,
192 .shift = 8,
193 },{
194 .v = {
195 .id = V4L2_CID_HUE,
196 .name = "Hue",
197 .minimum = 0,
198 .maximum = 0xff,
199 .step = 1,
200 .default_value = 0x7f,
201 .type = V4L2_CTRL_TYPE_INTEGER,
202 },
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 .v = {
212 .id = V4L2_CID_SATURATION,
213 .name = "Saturation",
214 .minimum = 0,
215 .maximum = 0xff,
216 .step = 1,
217 .default_value = 0x7f,
218 .type = V4L2_CTRL_TYPE_INTEGER,
219 },
220 .off = 0,
221 .reg = MO_UV_SATURATION,
222 .mask = 0x00ff,
223 .shift = 0,
224 }, {
225 .v = {
226 .id = V4L2_CID_SHARPNESS,
227 .name = "Sharpness",
228 .minimum = 0,
229 .maximum = 4,
230 .step = 1,
231 .default_value = 0x0,
232 .type = V4L2_CTRL_TYPE_INTEGER,
233 },
234 .off = 0,
235 /* NOTE: the value is converted and written to both even
236 and odd registers in the code */
237 .reg = MO_FILTER_ODD,
238 .mask = 7 << 7,
239 .shift = 7,
240 }, {
241 .v = {
242 .id = V4L2_CID_CHROMA_AGC,
243 .name = "Chroma AGC",
244 .minimum = 0,
245 .maximum = 1,
246 .default_value = 0x1,
247 .type = V4L2_CTRL_TYPE_BOOLEAN,
248 },
249 .reg = MO_INPUT_FORMAT,
250 .mask = 1 << 10,
251 .shift = 10,
252 }, {
253 .v = {
254 .id = V4L2_CID_COLOR_KILLER,
255 .name = "Color killer",
256 .minimum = 0,
257 .maximum = 1,
258 .default_value = 0x1,
259 .type = V4L2_CTRL_TYPE_BOOLEAN,
260 },
261 .reg = MO_INPUT_FORMAT,
262 .mask = 1 << 9,
263 .shift = 9,
264 }, {
265 .v = {
266 .id = V4L2_CID_BAND_STOP_FILTER,
267 .name = "Notch filter",
268 .minimum = 0,
269 .maximum = 1,
270 .step = 1,
271 .default_value = 0x0,
272 .type = V4L2_CTRL_TYPE_INTEGER,
273 },
274 .off = 0,
275 .reg = MO_HTOTAL,
276 .mask = 3 << 11,
277 .shift = 11,
278 }, {
279 /* --- audio --- */
280 .v = {
281 .id = V4L2_CID_AUDIO_MUTE,
282 .name = "Mute",
283 .minimum = 0,
284 .maximum = 1,
285 .default_value = 1,
286 .type = V4L2_CTRL_TYPE_BOOLEAN,
287 },
288 .reg = AUD_VOL_CTL,
289 .sreg = SHADOW_AUD_VOL_CTL,
290 .mask = (1 << 6),
291 .shift = 6,
292 },{
293 .v = {
294 .id = V4L2_CID_AUDIO_VOLUME,
295 .name = "Volume",
296 .minimum = 0,
297 .maximum = 0x3f,
298 .step = 1,
299 .default_value = 0x3f,
300 .type = V4L2_CTRL_TYPE_INTEGER,
301 },
302 .reg = AUD_VOL_CTL,
303 .sreg = SHADOW_AUD_VOL_CTL,
304 .mask = 0x3f,
305 .shift = 0,
306 },{
307 .v = {
308 .id = V4L2_CID_AUDIO_BALANCE,
309 .name = "Balance",
310 .minimum = 0,
311 .maximum = 0x7f,
312 .step = 1,
313 .default_value = 0x40,
314 .type = V4L2_CTRL_TYPE_INTEGER,
315 },
316 .reg = AUD_BAL_CTL,
317 .sreg = SHADOW_AUD_BAL_CTL,
318 .mask = 0x7f,
319 .shift = 0,
320 }
321 };
322 enum { CX8800_CTLS = ARRAY_SIZE(cx8800_ctls) };
323
324 /* Must be sorted from low to high control ID! */
325 const u32 cx88_user_ctrls[] = {
326 V4L2_CID_USER_CLASS,
327 V4L2_CID_BRIGHTNESS,
328 V4L2_CID_CONTRAST,
329 V4L2_CID_SATURATION,
330 V4L2_CID_HUE,
331 V4L2_CID_AUDIO_VOLUME,
332 V4L2_CID_AUDIO_BALANCE,
333 V4L2_CID_AUDIO_MUTE,
334 V4L2_CID_SHARPNESS,
335 V4L2_CID_CHROMA_AGC,
336 V4L2_CID_COLOR_KILLER,
337 V4L2_CID_BAND_STOP_FILTER,
338 0
339 };
340 EXPORT_SYMBOL(cx88_user_ctrls);
341
342 static const u32 * const ctrl_classes[] = {
343 cx88_user_ctrls,
344 NULL
345 };
346
cx8800_ctrl_query(struct cx88_core * core,struct v4l2_queryctrl * qctrl)347 int cx8800_ctrl_query(struct cx88_core *core, struct v4l2_queryctrl *qctrl)
348 {
349 int i;
350
351 if (qctrl->id < V4L2_CID_BASE ||
352 qctrl->id >= V4L2_CID_LASTP1)
353 return -EINVAL;
354 for (i = 0; i < CX8800_CTLS; i++)
355 if (cx8800_ctls[i].v.id == qctrl->id)
356 break;
357 if (i == CX8800_CTLS) {
358 *qctrl = no_ctl;
359 return 0;
360 }
361 *qctrl = cx8800_ctls[i].v;
362 /* Report chroma AGC as inactive when SECAM is selected */
363 if (cx8800_ctls[i].v.id == V4L2_CID_CHROMA_AGC &&
364 core->tvnorm & V4L2_STD_SECAM)
365 qctrl->flags |= V4L2_CTRL_FLAG_INACTIVE;
366
367 return 0;
368 }
369 EXPORT_SYMBOL(cx8800_ctrl_query);
370
371 /* ------------------------------------------------------------------- */
372 /* resource management */
373
res_get(struct cx8800_dev * dev,struct cx8800_fh * fh,unsigned int bit)374 static int res_get(struct cx8800_dev *dev, struct cx8800_fh *fh, unsigned int bit)
375 {
376 struct cx88_core *core = dev->core;
377 if (fh->resources & bit)
378 /* have it already allocated */
379 return 1;
380
381 /* is it free? */
382 mutex_lock(&core->lock);
383 if (dev->resources & bit) {
384 /* no, someone else uses it */
385 mutex_unlock(&core->lock);
386 return 0;
387 }
388 /* it's free, grab it */
389 fh->resources |= bit;
390 dev->resources |= bit;
391 dprintk(1,"res: get %d\n",bit);
392 mutex_unlock(&core->lock);
393 return 1;
394 }
395
396 static
res_check(struct cx8800_fh * fh,unsigned int bit)397 int res_check(struct cx8800_fh *fh, unsigned int bit)
398 {
399 return (fh->resources & bit);
400 }
401
402 static
res_locked(struct cx8800_dev * dev,unsigned int bit)403 int res_locked(struct cx8800_dev *dev, unsigned int bit)
404 {
405 return (dev->resources & bit);
406 }
407
408 static
res_free(struct cx8800_dev * dev,struct cx8800_fh * fh,unsigned int bits)409 void res_free(struct cx8800_dev *dev, struct cx8800_fh *fh, unsigned int bits)
410 {
411 struct cx88_core *core = dev->core;
412 BUG_ON((fh->resources & bits) != bits);
413
414 mutex_lock(&core->lock);
415 fh->resources &= ~bits;
416 dev->resources &= ~bits;
417 dprintk(1,"res: put %d\n",bits);
418 mutex_unlock(&core->lock);
419 }
420
421 /* ------------------------------------------------------------------ */
422
cx88_video_mux(struct cx88_core * core,unsigned int input)423 int cx88_video_mux(struct cx88_core *core, unsigned int input)
424 {
425 /* struct cx88_core *core = dev->core; */
426
427 dprintk(1,"video_mux: %d [vmux=%d,gpio=0x%x,0x%x,0x%x,0x%x]\n",
428 input, INPUT(input).vmux,
429 INPUT(input).gpio0,INPUT(input).gpio1,
430 INPUT(input).gpio2,INPUT(input).gpio3);
431 core->input = input;
432 cx_andor(MO_INPUT_FORMAT, 0x03 << 14, INPUT(input).vmux << 14);
433 cx_write(MO_GP3_IO, INPUT(input).gpio3);
434 cx_write(MO_GP0_IO, INPUT(input).gpio0);
435 cx_write(MO_GP1_IO, INPUT(input).gpio1);
436 cx_write(MO_GP2_IO, INPUT(input).gpio2);
437
438 switch (INPUT(input).type) {
439 case CX88_VMUX_SVIDEO:
440 cx_set(MO_AFECFG_IO, 0x00000001);
441 cx_set(MO_INPUT_FORMAT, 0x00010010);
442 cx_set(MO_FILTER_EVEN, 0x00002020);
443 cx_set(MO_FILTER_ODD, 0x00002020);
444 break;
445 default:
446 cx_clear(MO_AFECFG_IO, 0x00000001);
447 cx_clear(MO_INPUT_FORMAT, 0x00010010);
448 cx_clear(MO_FILTER_EVEN, 0x00002020);
449 cx_clear(MO_FILTER_ODD, 0x00002020);
450 break;
451 }
452
453 /* if there are audioroutes defined, we have an external
454 ADC to deal with audio */
455 if (INPUT(input).audioroute) {
456 /* The wm8775 module has the "2" route hardwired into
457 the initialization. Some boards may use different
458 routes for different inputs. HVR-1300 surely does */
459 if (core->board.audio_chip &&
460 core->board.audio_chip == V4L2_IDENT_WM8775) {
461 call_all(core, audio, s_routing,
462 INPUT(input).audioroute, 0, 0);
463 }
464 /* cx2388's C-ADC is connected to the tuner only.
465 When used with S-Video, that ADC is busy dealing with
466 chroma, so an external must be used for baseband audio */
467 if (INPUT(input).type != CX88_VMUX_TELEVISION &&
468 INPUT(input).type != CX88_VMUX_CABLE) {
469 /* "I2S ADC mode" */
470 core->tvaudio = WW_I2SADC;
471 cx88_set_tvaudio(core);
472 } else {
473 /* Normal mode */
474 cx_write(AUD_I2SCNTL, 0x0);
475 cx_clear(AUD_CTL, EN_I2SIN_ENABLE);
476 }
477 }
478
479 return 0;
480 }
481 EXPORT_SYMBOL(cx88_video_mux);
482
483 /* ------------------------------------------------------------------ */
484
start_video_dma(struct cx8800_dev * dev,struct cx88_dmaqueue * q,struct cx88_buffer * buf)485 static int start_video_dma(struct cx8800_dev *dev,
486 struct cx88_dmaqueue *q,
487 struct cx88_buffer *buf)
488 {
489 struct cx88_core *core = dev->core;
490
491 /* setup fifo + format */
492 cx88_sram_channel_setup(core, &cx88_sram_channels[SRAM_CH21],
493 buf->bpl, buf->risc.dma);
494 cx88_set_scale(core, buf->vb.width, buf->vb.height, buf->vb.field);
495 cx_write(MO_COLOR_CTRL, buf->fmt->cxformat | ColorFormatGamma);
496
497 /* reset counter */
498 cx_write(MO_VIDY_GPCNTRL,GP_COUNT_CONTROL_RESET);
499 q->count = 1;
500
501 /* enable irqs */
502 cx_set(MO_PCI_INTMSK, core->pci_irqmask | PCI_INT_VIDINT);
503
504 /* Enables corresponding bits at PCI_INT_STAT:
505 bits 0 to 4: video, audio, transport stream, VIP, Host
506 bit 7: timer
507 bits 8 and 9: DMA complete for: SRC, DST
508 bits 10 and 11: BERR signal asserted for RISC: RD, WR
509 bits 12 to 15: BERR signal asserted for: BRDG, SRC, DST, IPB
510 */
511 cx_set(MO_VID_INTMSK, 0x0f0011);
512
513 /* enable capture */
514 cx_set(VID_CAPTURE_CONTROL,0x06);
515
516 /* start dma */
517 cx_set(MO_DEV_CNTRL2, (1<<5));
518 cx_set(MO_VID_DMACNTRL, 0x11); /* Planar Y and packed FIFO and RISC enable */
519
520 return 0;
521 }
522
523 #ifdef CONFIG_PM
stop_video_dma(struct cx8800_dev * dev)524 static int stop_video_dma(struct cx8800_dev *dev)
525 {
526 struct cx88_core *core = dev->core;
527
528 /* stop dma */
529 cx_clear(MO_VID_DMACNTRL, 0x11);
530
531 /* disable capture */
532 cx_clear(VID_CAPTURE_CONTROL,0x06);
533
534 /* disable irqs */
535 cx_clear(MO_PCI_INTMSK, PCI_INT_VIDINT);
536 cx_clear(MO_VID_INTMSK, 0x0f0011);
537 return 0;
538 }
539 #endif
540
restart_video_queue(struct cx8800_dev * dev,struct cx88_dmaqueue * q)541 static int restart_video_queue(struct cx8800_dev *dev,
542 struct cx88_dmaqueue *q)
543 {
544 struct cx88_core *core = dev->core;
545 struct cx88_buffer *buf, *prev;
546
547 if (!list_empty(&q->active)) {
548 buf = list_entry(q->active.next, struct cx88_buffer, vb.queue);
549 dprintk(2,"restart_queue [%p/%d]: restart dma\n",
550 buf, buf->vb.i);
551 start_video_dma(dev, q, buf);
552 list_for_each_entry(buf, &q->active, vb.queue)
553 buf->count = q->count++;
554 mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT);
555 return 0;
556 }
557
558 prev = NULL;
559 for (;;) {
560 if (list_empty(&q->queued))
561 return 0;
562 buf = list_entry(q->queued.next, struct cx88_buffer, vb.queue);
563 if (NULL == prev) {
564 list_move_tail(&buf->vb.queue, &q->active);
565 start_video_dma(dev, q, buf);
566 buf->vb.state = VIDEOBUF_ACTIVE;
567 buf->count = q->count++;
568 mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT);
569 dprintk(2,"[%p/%d] restart_queue - first active\n",
570 buf,buf->vb.i);
571
572 } else if (prev->vb.width == buf->vb.width &&
573 prev->vb.height == buf->vb.height &&
574 prev->fmt == buf->fmt) {
575 list_move_tail(&buf->vb.queue, &q->active);
576 buf->vb.state = VIDEOBUF_ACTIVE;
577 buf->count = q->count++;
578 prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma);
579 dprintk(2,"[%p/%d] restart_queue - move to active\n",
580 buf,buf->vb.i);
581 } else {
582 return 0;
583 }
584 prev = buf;
585 }
586 }
587
588 /* ------------------------------------------------------------------ */
589
590 static int
buffer_setup(struct videobuf_queue * q,unsigned int * count,unsigned int * size)591 buffer_setup(struct videobuf_queue *q, unsigned int *count, unsigned int *size)
592 {
593 struct cx8800_fh *fh = q->priv_data;
594
595 *size = fh->fmt->depth*fh->width*fh->height >> 3;
596 if (0 == *count)
597 *count = 32;
598 if (*size * *count > vid_limit * 1024 * 1024)
599 *count = (vid_limit * 1024 * 1024) / *size;
600 return 0;
601 }
602
603 static int
buffer_prepare(struct videobuf_queue * q,struct videobuf_buffer * vb,enum v4l2_field field)604 buffer_prepare(struct videobuf_queue *q, struct videobuf_buffer *vb,
605 enum v4l2_field field)
606 {
607 struct cx8800_fh *fh = q->priv_data;
608 struct cx8800_dev *dev = fh->dev;
609 struct cx88_core *core = dev->core;
610 struct cx88_buffer *buf = container_of(vb,struct cx88_buffer,vb);
611 struct videobuf_dmabuf *dma=videobuf_to_dma(&buf->vb);
612 int rc, init_buffer = 0;
613
614 BUG_ON(NULL == fh->fmt);
615 if (fh->width < 48 || fh->width > norm_maxw(core->tvnorm) ||
616 fh->height < 32 || fh->height > norm_maxh(core->tvnorm))
617 return -EINVAL;
618 buf->vb.size = (fh->width * fh->height * fh->fmt->depth) >> 3;
619 if (0 != buf->vb.baddr && buf->vb.bsize < buf->vb.size)
620 return -EINVAL;
621
622 if (buf->fmt != fh->fmt ||
623 buf->vb.width != fh->width ||
624 buf->vb.height != fh->height ||
625 buf->vb.field != field) {
626 buf->fmt = fh->fmt;
627 buf->vb.width = fh->width;
628 buf->vb.height = fh->height;
629 buf->vb.field = field;
630 init_buffer = 1;
631 }
632
633 if (VIDEOBUF_NEEDS_INIT == buf->vb.state) {
634 init_buffer = 1;
635 if (0 != (rc = videobuf_iolock(q,&buf->vb,NULL)))
636 goto fail;
637 }
638
639 if (init_buffer) {
640 buf->bpl = buf->vb.width * buf->fmt->depth >> 3;
641 switch (buf->vb.field) {
642 case V4L2_FIELD_TOP:
643 cx88_risc_buffer(dev->pci, &buf->risc,
644 dma->sglist, 0, UNSET,
645 buf->bpl, 0, buf->vb.height);
646 break;
647 case V4L2_FIELD_BOTTOM:
648 cx88_risc_buffer(dev->pci, &buf->risc,
649 dma->sglist, UNSET, 0,
650 buf->bpl, 0, buf->vb.height);
651 break;
652 case V4L2_FIELD_INTERLACED:
653 cx88_risc_buffer(dev->pci, &buf->risc,
654 dma->sglist, 0, buf->bpl,
655 buf->bpl, buf->bpl,
656 buf->vb.height >> 1);
657 break;
658 case V4L2_FIELD_SEQ_TB:
659 cx88_risc_buffer(dev->pci, &buf->risc,
660 dma->sglist,
661 0, buf->bpl * (buf->vb.height >> 1),
662 buf->bpl, 0,
663 buf->vb.height >> 1);
664 break;
665 case V4L2_FIELD_SEQ_BT:
666 cx88_risc_buffer(dev->pci, &buf->risc,
667 dma->sglist,
668 buf->bpl * (buf->vb.height >> 1), 0,
669 buf->bpl, 0,
670 buf->vb.height >> 1);
671 break;
672 default:
673 BUG();
674 }
675 }
676 dprintk(2,"[%p/%d] buffer_prepare - %dx%d %dbpp \"%s\" - dma=0x%08lx\n",
677 buf, buf->vb.i,
678 fh->width, fh->height, fh->fmt->depth, fh->fmt->name,
679 (unsigned long)buf->risc.dma);
680
681 buf->vb.state = VIDEOBUF_PREPARED;
682 return 0;
683
684 fail:
685 cx88_free_buffer(q,buf);
686 return rc;
687 }
688
689 static void
buffer_queue(struct videobuf_queue * vq,struct videobuf_buffer * vb)690 buffer_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb)
691 {
692 struct cx88_buffer *buf = container_of(vb,struct cx88_buffer,vb);
693 struct cx88_buffer *prev;
694 struct cx8800_fh *fh = vq->priv_data;
695 struct cx8800_dev *dev = fh->dev;
696 struct cx88_core *core = dev->core;
697 struct cx88_dmaqueue *q = &dev->vidq;
698
699 /* add jump to stopper */
700 buf->risc.jmp[0] = cpu_to_le32(RISC_JUMP | RISC_IRQ1 | RISC_CNT_INC);
701 buf->risc.jmp[1] = cpu_to_le32(q->stopper.dma);
702
703 if (!list_empty(&q->queued)) {
704 list_add_tail(&buf->vb.queue,&q->queued);
705 buf->vb.state = VIDEOBUF_QUEUED;
706 dprintk(2,"[%p/%d] buffer_queue - append to queued\n",
707 buf, buf->vb.i);
708
709 } else if (list_empty(&q->active)) {
710 list_add_tail(&buf->vb.queue,&q->active);
711 start_video_dma(dev, q, buf);
712 buf->vb.state = VIDEOBUF_ACTIVE;
713 buf->count = q->count++;
714 mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT);
715 dprintk(2,"[%p/%d] buffer_queue - first active\n",
716 buf, buf->vb.i);
717
718 } else {
719 prev = list_entry(q->active.prev, struct cx88_buffer, vb.queue);
720 if (prev->vb.width == buf->vb.width &&
721 prev->vb.height == buf->vb.height &&
722 prev->fmt == buf->fmt) {
723 list_add_tail(&buf->vb.queue,&q->active);
724 buf->vb.state = VIDEOBUF_ACTIVE;
725 buf->count = q->count++;
726 prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma);
727 dprintk(2,"[%p/%d] buffer_queue - append to active\n",
728 buf, buf->vb.i);
729
730 } else {
731 list_add_tail(&buf->vb.queue,&q->queued);
732 buf->vb.state = VIDEOBUF_QUEUED;
733 dprintk(2,"[%p/%d] buffer_queue - first queued\n",
734 buf, buf->vb.i);
735 }
736 }
737 }
738
buffer_release(struct videobuf_queue * q,struct videobuf_buffer * vb)739 static void buffer_release(struct videobuf_queue *q, struct videobuf_buffer *vb)
740 {
741 struct cx88_buffer *buf = container_of(vb,struct cx88_buffer,vb);
742
743 cx88_free_buffer(q,buf);
744 }
745
746 static const struct videobuf_queue_ops cx8800_video_qops = {
747 .buf_setup = buffer_setup,
748 .buf_prepare = buffer_prepare,
749 .buf_queue = buffer_queue,
750 .buf_release = buffer_release,
751 };
752
753 /* ------------------------------------------------------------------ */
754
755
756 /* ------------------------------------------------------------------ */
757
get_queue(struct cx8800_fh * fh)758 static struct videobuf_queue* get_queue(struct cx8800_fh *fh)
759 {
760 switch (fh->type) {
761 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
762 return &fh->vidq;
763 case V4L2_BUF_TYPE_VBI_CAPTURE:
764 return &fh->vbiq;
765 default:
766 BUG();
767 return NULL;
768 }
769 }
770
get_ressource(struct cx8800_fh * fh)771 static int get_ressource(struct cx8800_fh *fh)
772 {
773 switch (fh->type) {
774 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
775 return RESOURCE_VIDEO;
776 case V4L2_BUF_TYPE_VBI_CAPTURE:
777 return RESOURCE_VBI;
778 default:
779 BUG();
780 return 0;
781 }
782 }
783
video_open(struct file * file)784 static int video_open(struct file *file)
785 {
786 struct video_device *vdev = video_devdata(file);
787 struct cx8800_dev *dev = video_drvdata(file);
788 struct cx88_core *core = dev->core;
789 struct cx8800_fh *fh;
790 enum v4l2_buf_type type = 0;
791 int radio = 0;
792
793 switch (vdev->vfl_type) {
794 case VFL_TYPE_GRABBER:
795 type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
796 break;
797 case VFL_TYPE_VBI:
798 type = V4L2_BUF_TYPE_VBI_CAPTURE;
799 break;
800 case VFL_TYPE_RADIO:
801 radio = 1;
802 break;
803 }
804
805 dprintk(1, "open dev=%s radio=%d type=%s\n",
806 video_device_node_name(vdev), radio, v4l2_type_names[type]);
807
808 /* allocate + initialize per filehandle data */
809 fh = kzalloc(sizeof(*fh),GFP_KERNEL);
810 if (unlikely(!fh))
811 return -ENOMEM;
812
813 file->private_data = fh;
814 fh->dev = dev;
815 fh->radio = radio;
816 fh->type = type;
817 fh->width = 320;
818 fh->height = 240;
819 fh->fmt = format_by_fourcc(V4L2_PIX_FMT_BGR24);
820
821 mutex_lock(&core->lock);
822
823 videobuf_queue_sg_init(&fh->vidq, &cx8800_video_qops,
824 &dev->pci->dev, &dev->slock,
825 V4L2_BUF_TYPE_VIDEO_CAPTURE,
826 V4L2_FIELD_INTERLACED,
827 sizeof(struct cx88_buffer),
828 fh, NULL);
829 videobuf_queue_sg_init(&fh->vbiq, &cx8800_vbi_qops,
830 &dev->pci->dev, &dev->slock,
831 V4L2_BUF_TYPE_VBI_CAPTURE,
832 V4L2_FIELD_SEQ_TB,
833 sizeof(struct cx88_buffer),
834 fh, NULL);
835
836 if (fh->radio) {
837 dprintk(1,"video_open: setting radio device\n");
838 cx_write(MO_GP3_IO, core->board.radio.gpio3);
839 cx_write(MO_GP0_IO, core->board.radio.gpio0);
840 cx_write(MO_GP1_IO, core->board.radio.gpio1);
841 cx_write(MO_GP2_IO, core->board.radio.gpio2);
842 if (core->board.radio.audioroute) {
843 if(core->board.audio_chip &&
844 core->board.audio_chip == V4L2_IDENT_WM8775) {
845 call_all(core, audio, s_routing,
846 core->board.radio.audioroute, 0, 0);
847 }
848 /* "I2S ADC mode" */
849 core->tvaudio = WW_I2SADC;
850 cx88_set_tvaudio(core);
851 } else {
852 /* FM Mode */
853 core->tvaudio = WW_FM;
854 cx88_set_tvaudio(core);
855 cx88_set_stereo(core,V4L2_TUNER_MODE_STEREO,1);
856 }
857 call_all(core, tuner, s_radio);
858 }
859
860 core->users++;
861 mutex_unlock(&core->lock);
862
863 return 0;
864 }
865
866 static ssize_t
video_read(struct file * file,char __user * data,size_t count,loff_t * ppos)867 video_read(struct file *file, char __user *data, size_t count, loff_t *ppos)
868 {
869 struct cx8800_fh *fh = file->private_data;
870
871 switch (fh->type) {
872 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
873 if (res_locked(fh->dev,RESOURCE_VIDEO))
874 return -EBUSY;
875 return videobuf_read_one(&fh->vidq, data, count, ppos,
876 file->f_flags & O_NONBLOCK);
877 case V4L2_BUF_TYPE_VBI_CAPTURE:
878 if (!res_get(fh->dev,fh,RESOURCE_VBI))
879 return -EBUSY;
880 return videobuf_read_stream(&fh->vbiq, data, count, ppos, 1,
881 file->f_flags & O_NONBLOCK);
882 default:
883 BUG();
884 return 0;
885 }
886 }
887
888 static unsigned int
video_poll(struct file * file,struct poll_table_struct * wait)889 video_poll(struct file *file, struct poll_table_struct *wait)
890 {
891 struct cx8800_fh *fh = file->private_data;
892 struct cx88_buffer *buf;
893 unsigned int rc = POLLERR;
894
895 if (V4L2_BUF_TYPE_VBI_CAPTURE == fh->type) {
896 if (!res_get(fh->dev,fh,RESOURCE_VBI))
897 return POLLERR;
898 return videobuf_poll_stream(file, &fh->vbiq, wait);
899 }
900
901 mutex_lock(&fh->vidq.vb_lock);
902 if (res_check(fh,RESOURCE_VIDEO)) {
903 /* streaming capture */
904 if (list_empty(&fh->vidq.stream))
905 goto done;
906 buf = list_entry(fh->vidq.stream.next,struct cx88_buffer,vb.stream);
907 } else {
908 /* read() capture */
909 buf = (struct cx88_buffer*)fh->vidq.read_buf;
910 if (NULL == buf)
911 goto done;
912 }
913 poll_wait(file, &buf->vb.done, wait);
914 if (buf->vb.state == VIDEOBUF_DONE ||
915 buf->vb.state == VIDEOBUF_ERROR)
916 rc = POLLIN|POLLRDNORM;
917 else
918 rc = 0;
919 done:
920 mutex_unlock(&fh->vidq.vb_lock);
921 return rc;
922 }
923
video_release(struct file * file)924 static int video_release(struct file *file)
925 {
926 struct cx8800_fh *fh = file->private_data;
927 struct cx8800_dev *dev = fh->dev;
928
929 /* turn off overlay */
930 if (res_check(fh, RESOURCE_OVERLAY)) {
931 /* FIXME */
932 res_free(dev,fh,RESOURCE_OVERLAY);
933 }
934
935 /* stop video capture */
936 if (res_check(fh, RESOURCE_VIDEO)) {
937 videobuf_queue_cancel(&fh->vidq);
938 res_free(dev,fh,RESOURCE_VIDEO);
939 }
940 if (fh->vidq.read_buf) {
941 buffer_release(&fh->vidq,fh->vidq.read_buf);
942 kfree(fh->vidq.read_buf);
943 }
944
945 /* stop vbi capture */
946 if (res_check(fh, RESOURCE_VBI)) {
947 videobuf_stop(&fh->vbiq);
948 res_free(dev,fh,RESOURCE_VBI);
949 }
950
951 videobuf_mmap_free(&fh->vidq);
952 videobuf_mmap_free(&fh->vbiq);
953
954 mutex_lock(&dev->core->lock);
955 file->private_data = NULL;
956 kfree(fh);
957
958 dev->core->users--;
959 if (!dev->core->users)
960 call_all(dev->core, core, s_power, 0);
961 mutex_unlock(&dev->core->lock);
962
963 return 0;
964 }
965
966 static int
video_mmap(struct file * file,struct vm_area_struct * vma)967 video_mmap(struct file *file, struct vm_area_struct * vma)
968 {
969 struct cx8800_fh *fh = file->private_data;
970
971 return videobuf_mmap_mapper(get_queue(fh), vma);
972 }
973
974 /* ------------------------------------------------------------------ */
975 /* VIDEO CTRL IOCTLS */
976
cx88_get_control(struct cx88_core * core,struct v4l2_control * ctl)977 int cx88_get_control (struct cx88_core *core, struct v4l2_control *ctl)
978 {
979 const struct cx88_ctrl *c = NULL;
980 u32 value;
981 int i;
982
983 for (i = 0; i < CX8800_CTLS; i++)
984 if (cx8800_ctls[i].v.id == ctl->id)
985 c = &cx8800_ctls[i];
986 if (unlikely(NULL == c))
987 return -EINVAL;
988
989 value = c->sreg ? cx_sread(c->sreg) : cx_read(c->reg);
990 switch (ctl->id) {
991 case V4L2_CID_AUDIO_BALANCE:
992 ctl->value = ((value & 0x7f) < 0x40) ? ((value & 0x7f) + 0x40)
993 : (0x7f - (value & 0x7f));
994 break;
995 case V4L2_CID_AUDIO_VOLUME:
996 ctl->value = 0x3f - (value & 0x3f);
997 break;
998 case V4L2_CID_SHARPNESS:
999 ctl->value = ((value & 0x0200) ? (((value & 0x0180) >> 7) + 1)
1000 : 0);
1001 break;
1002 default:
1003 ctl->value = ((value + (c->off << c->shift)) & c->mask) >> c->shift;
1004 break;
1005 }
1006 dprintk(1,"get_control id=0x%X(%s) ctrl=0x%02x, reg=0x%02x val=0x%02x (mask 0x%02x)%s\n",
1007 ctl->id, c->v.name, ctl->value, c->reg,
1008 value,c->mask, c->sreg ? " [shadowed]" : "");
1009 return 0;
1010 }
1011 EXPORT_SYMBOL(cx88_get_control);
1012
cx88_set_control(struct cx88_core * core,struct v4l2_control * ctl)1013 int cx88_set_control(struct cx88_core *core, struct v4l2_control *ctl)
1014 {
1015 const struct cx88_ctrl *c = NULL;
1016 u32 value,mask;
1017 int i;
1018
1019 for (i = 0; i < CX8800_CTLS; i++) {
1020 if (cx8800_ctls[i].v.id == ctl->id) {
1021 c = &cx8800_ctls[i];
1022 }
1023 }
1024 if (unlikely(NULL == c))
1025 return -EINVAL;
1026
1027 if (ctl->value < c->v.minimum)
1028 ctl->value = c->v.minimum;
1029 if (ctl->value > c->v.maximum)
1030 ctl->value = c->v.maximum;
1031
1032 /* Pass changes onto any WM8775 */
1033 if (core->board.audio_chip == V4L2_IDENT_WM8775) {
1034 struct v4l2_control client_ctl;
1035 memset(&client_ctl, 0, sizeof(client_ctl));
1036 client_ctl.id = ctl->id;
1037
1038 switch (ctl->id) {
1039 case V4L2_CID_AUDIO_MUTE:
1040 client_ctl.value = ctl->value;
1041 break;
1042 case V4L2_CID_AUDIO_VOLUME:
1043 client_ctl.value = (ctl->value) ?
1044 (0x90 + ctl->value) << 8 : 0;
1045 break;
1046 case V4L2_CID_AUDIO_BALANCE:
1047 client_ctl.value = ctl->value << 9;
1048 break;
1049 default:
1050 client_ctl.id = 0;
1051 break;
1052 }
1053 if (client_ctl.id)
1054 call_hw(core, WM8775_GID, core, s_ctrl, &client_ctl);
1055 }
1056
1057 mask=c->mask;
1058 switch (ctl->id) {
1059 case V4L2_CID_AUDIO_BALANCE:
1060 value = (ctl->value < 0x40) ? (0x7f - ctl->value) : (ctl->value - 0x40);
1061 break;
1062 case V4L2_CID_AUDIO_VOLUME:
1063 value = 0x3f - (ctl->value & 0x3f);
1064 break;
1065 case V4L2_CID_SATURATION:
1066 /* special v_sat handling */
1067
1068 value = ((ctl->value - c->off) << c->shift) & c->mask;
1069
1070 if (core->tvnorm & V4L2_STD_SECAM) {
1071 /* For SECAM, both U and V sat should be equal */
1072 value=value<<8|value;
1073 } else {
1074 /* Keeps U Saturation proportional to V Sat */
1075 value=(value*0x5a)/0x7f<<8|value;
1076 }
1077 mask=0xffff;
1078 break;
1079 case V4L2_CID_SHARPNESS:
1080 /* 0b000, 0b100, 0b101, 0b110, or 0b111 */
1081 value = (ctl->value < 1 ? 0 : ((ctl->value + 3) << 7));
1082 /* needs to be set for both fields */
1083 cx_andor(MO_FILTER_EVEN, mask, value);
1084 break;
1085 case V4L2_CID_CHROMA_AGC:
1086 /* Do not allow chroma AGC to be enabled for SECAM */
1087 value = ((ctl->value - c->off) << c->shift) & c->mask;
1088 if (core->tvnorm & V4L2_STD_SECAM && value)
1089 return -EINVAL;
1090 break;
1091 default:
1092 value = ((ctl->value - c->off) << c->shift) & c->mask;
1093 break;
1094 }
1095 dprintk(1,"set_control id=0x%X(%s) ctrl=0x%02x, reg=0x%02x val=0x%02x (mask 0x%02x)%s\n",
1096 ctl->id, c->v.name, ctl->value, c->reg, value,
1097 mask, c->sreg ? " [shadowed]" : "");
1098 if (c->sreg) {
1099 cx_sandor(c->sreg, c->reg, mask, value);
1100 } else {
1101 cx_andor(c->reg, mask, value);
1102 }
1103 return 0;
1104 }
1105 EXPORT_SYMBOL(cx88_set_control);
1106
init_controls(struct cx88_core * core)1107 static void init_controls(struct cx88_core *core)
1108 {
1109 struct v4l2_control ctrl;
1110 int i;
1111
1112 for (i = 0; i < CX8800_CTLS; i++) {
1113 ctrl.id=cx8800_ctls[i].v.id;
1114 ctrl.value=cx8800_ctls[i].v.default_value;
1115
1116 cx88_set_control(core, &ctrl);
1117 }
1118 }
1119
1120 /* ------------------------------------------------------------------ */
1121 /* VIDEO IOCTLS */
1122
vidioc_g_fmt_vid_cap(struct file * file,void * priv,struct v4l2_format * f)1123 static int vidioc_g_fmt_vid_cap(struct file *file, void *priv,
1124 struct v4l2_format *f)
1125 {
1126 struct cx8800_fh *fh = priv;
1127
1128 f->fmt.pix.width = fh->width;
1129 f->fmt.pix.height = fh->height;
1130 f->fmt.pix.field = fh->vidq.field;
1131 f->fmt.pix.pixelformat = fh->fmt->fourcc;
1132 f->fmt.pix.bytesperline =
1133 (f->fmt.pix.width * fh->fmt->depth) >> 3;
1134 f->fmt.pix.sizeimage =
1135 f->fmt.pix.height * f->fmt.pix.bytesperline;
1136 return 0;
1137 }
1138
vidioc_try_fmt_vid_cap(struct file * file,void * priv,struct v4l2_format * f)1139 static int vidioc_try_fmt_vid_cap(struct file *file, void *priv,
1140 struct v4l2_format *f)
1141 {
1142 struct cx88_core *core = ((struct cx8800_fh *)priv)->dev->core;
1143 const struct cx8800_fmt *fmt;
1144 enum v4l2_field field;
1145 unsigned int maxw, maxh;
1146
1147 fmt = format_by_fourcc(f->fmt.pix.pixelformat);
1148 if (NULL == fmt)
1149 return -EINVAL;
1150
1151 field = f->fmt.pix.field;
1152 maxw = norm_maxw(core->tvnorm);
1153 maxh = norm_maxh(core->tvnorm);
1154
1155 if (V4L2_FIELD_ANY == field) {
1156 field = (f->fmt.pix.height > maxh/2)
1157 ? V4L2_FIELD_INTERLACED
1158 : V4L2_FIELD_BOTTOM;
1159 }
1160
1161 switch (field) {
1162 case V4L2_FIELD_TOP:
1163 case V4L2_FIELD_BOTTOM:
1164 maxh = maxh / 2;
1165 break;
1166 case V4L2_FIELD_INTERLACED:
1167 break;
1168 default:
1169 return -EINVAL;
1170 }
1171
1172 f->fmt.pix.field = field;
1173 v4l_bound_align_image(&f->fmt.pix.width, 48, maxw, 2,
1174 &f->fmt.pix.height, 32, maxh, 0, 0);
1175 f->fmt.pix.bytesperline =
1176 (f->fmt.pix.width * fmt->depth) >> 3;
1177 f->fmt.pix.sizeimage =
1178 f->fmt.pix.height * f->fmt.pix.bytesperline;
1179
1180 return 0;
1181 }
1182
vidioc_s_fmt_vid_cap(struct file * file,void * priv,struct v4l2_format * f)1183 static int vidioc_s_fmt_vid_cap(struct file *file, void *priv,
1184 struct v4l2_format *f)
1185 {
1186 struct cx8800_fh *fh = priv;
1187 int err = vidioc_try_fmt_vid_cap (file,priv,f);
1188
1189 if (0 != err)
1190 return err;
1191 fh->fmt = format_by_fourcc(f->fmt.pix.pixelformat);
1192 fh->width = f->fmt.pix.width;
1193 fh->height = f->fmt.pix.height;
1194 fh->vidq.field = f->fmt.pix.field;
1195 return 0;
1196 }
1197
vidioc_querycap(struct file * file,void * priv,struct v4l2_capability * cap)1198 static int vidioc_querycap (struct file *file, void *priv,
1199 struct v4l2_capability *cap)
1200 {
1201 struct cx8800_dev *dev = ((struct cx8800_fh *)priv)->dev;
1202 struct cx88_core *core = dev->core;
1203
1204 strcpy(cap->driver, "cx8800");
1205 strlcpy(cap->card, core->board.name, sizeof(cap->card));
1206 sprintf(cap->bus_info,"PCI:%s",pci_name(dev->pci));
1207 cap->capabilities =
1208 V4L2_CAP_VIDEO_CAPTURE |
1209 V4L2_CAP_READWRITE |
1210 V4L2_CAP_STREAMING |
1211 V4L2_CAP_VBI_CAPTURE;
1212 if (UNSET != core->board.tuner_type)
1213 cap->capabilities |= V4L2_CAP_TUNER;
1214 return 0;
1215 }
1216
vidioc_enum_fmt_vid_cap(struct file * file,void * priv,struct v4l2_fmtdesc * f)1217 static int vidioc_enum_fmt_vid_cap (struct file *file, void *priv,
1218 struct v4l2_fmtdesc *f)
1219 {
1220 if (unlikely(f->index >= ARRAY_SIZE(formats)))
1221 return -EINVAL;
1222
1223 strlcpy(f->description,formats[f->index].name,sizeof(f->description));
1224 f->pixelformat = formats[f->index].fourcc;
1225
1226 return 0;
1227 }
1228
vidioc_reqbufs(struct file * file,void * priv,struct v4l2_requestbuffers * p)1229 static int vidioc_reqbufs (struct file *file, void *priv, struct v4l2_requestbuffers *p)
1230 {
1231 struct cx8800_fh *fh = priv;
1232 return (videobuf_reqbufs(get_queue(fh), p));
1233 }
1234
vidioc_querybuf(struct file * file,void * priv,struct v4l2_buffer * p)1235 static int vidioc_querybuf (struct file *file, void *priv, struct v4l2_buffer *p)
1236 {
1237 struct cx8800_fh *fh = priv;
1238 return (videobuf_querybuf(get_queue(fh), p));
1239 }
1240
vidioc_qbuf(struct file * file,void * priv,struct v4l2_buffer * p)1241 static int vidioc_qbuf (struct file *file, void *priv, struct v4l2_buffer *p)
1242 {
1243 struct cx8800_fh *fh = priv;
1244 return (videobuf_qbuf(get_queue(fh), p));
1245 }
1246
vidioc_dqbuf(struct file * file,void * priv,struct v4l2_buffer * p)1247 static int vidioc_dqbuf (struct file *file, void *priv, struct v4l2_buffer *p)
1248 {
1249 struct cx8800_fh *fh = priv;
1250 return (videobuf_dqbuf(get_queue(fh), p,
1251 file->f_flags & O_NONBLOCK));
1252 }
1253
vidioc_streamon(struct file * file,void * priv,enum v4l2_buf_type i)1254 static int vidioc_streamon(struct file *file, void *priv, enum v4l2_buf_type i)
1255 {
1256 struct cx8800_fh *fh = priv;
1257 struct cx8800_dev *dev = fh->dev;
1258
1259 /* We should remember that this driver also supports teletext, */
1260 /* so we have to test if the v4l2_buf_type is VBI capture data. */
1261 if (unlikely((fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) &&
1262 (fh->type != V4L2_BUF_TYPE_VBI_CAPTURE)))
1263 return -EINVAL;
1264
1265 if (unlikely(i != fh->type))
1266 return -EINVAL;
1267
1268 if (unlikely(!res_get(dev,fh,get_ressource(fh))))
1269 return -EBUSY;
1270 return videobuf_streamon(get_queue(fh));
1271 }
1272
vidioc_streamoff(struct file * file,void * priv,enum v4l2_buf_type i)1273 static int vidioc_streamoff(struct file *file, void *priv, enum v4l2_buf_type i)
1274 {
1275 struct cx8800_fh *fh = priv;
1276 struct cx8800_dev *dev = fh->dev;
1277 int err, res;
1278
1279 if ((fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) &&
1280 (fh->type != V4L2_BUF_TYPE_VBI_CAPTURE))
1281 return -EINVAL;
1282
1283 if (i != fh->type)
1284 return -EINVAL;
1285
1286 res = get_ressource(fh);
1287 err = videobuf_streamoff(get_queue(fh));
1288 if (err < 0)
1289 return err;
1290 res_free(dev,fh,res);
1291 return 0;
1292 }
1293
vidioc_s_std(struct file * file,void * priv,v4l2_std_id * tvnorms)1294 static int vidioc_s_std (struct file *file, void *priv, v4l2_std_id *tvnorms)
1295 {
1296 struct cx88_core *core = ((struct cx8800_fh *)priv)->dev->core;
1297
1298 mutex_lock(&core->lock);
1299 cx88_set_tvnorm(core,*tvnorms);
1300 mutex_unlock(&core->lock);
1301
1302 return 0;
1303 }
1304
1305 /* only one input in this sample driver */
cx88_enum_input(struct cx88_core * core,struct v4l2_input * i)1306 int cx88_enum_input (struct cx88_core *core,struct v4l2_input *i)
1307 {
1308 static const char * const iname[] = {
1309 [ CX88_VMUX_COMPOSITE1 ] = "Composite1",
1310 [ CX88_VMUX_COMPOSITE2 ] = "Composite2",
1311 [ CX88_VMUX_COMPOSITE3 ] = "Composite3",
1312 [ CX88_VMUX_COMPOSITE4 ] = "Composite4",
1313 [ CX88_VMUX_SVIDEO ] = "S-Video",
1314 [ CX88_VMUX_TELEVISION ] = "Television",
1315 [ CX88_VMUX_CABLE ] = "Cable TV",
1316 [ CX88_VMUX_DVB ] = "DVB",
1317 [ CX88_VMUX_DEBUG ] = "for debug only",
1318 };
1319 unsigned int n = i->index;
1320
1321 if (n >= 4)
1322 return -EINVAL;
1323 if (0 == INPUT(n).type)
1324 return -EINVAL;
1325 i->type = V4L2_INPUT_TYPE_CAMERA;
1326 strcpy(i->name,iname[INPUT(n).type]);
1327 if ((CX88_VMUX_TELEVISION == INPUT(n).type) ||
1328 (CX88_VMUX_CABLE == INPUT(n).type)) {
1329 i->type = V4L2_INPUT_TYPE_TUNER;
1330 i->std = CX88_NORMS;
1331 }
1332 return 0;
1333 }
1334 EXPORT_SYMBOL(cx88_enum_input);
1335
vidioc_enum_input(struct file * file,void * priv,struct v4l2_input * i)1336 static int vidioc_enum_input (struct file *file, void *priv,
1337 struct v4l2_input *i)
1338 {
1339 struct cx88_core *core = ((struct cx8800_fh *)priv)->dev->core;
1340 return cx88_enum_input (core,i);
1341 }
1342
vidioc_g_input(struct file * file,void * priv,unsigned int * i)1343 static int vidioc_g_input (struct file *file, void *priv, unsigned int *i)
1344 {
1345 struct cx88_core *core = ((struct cx8800_fh *)priv)->dev->core;
1346
1347 *i = core->input;
1348 return 0;
1349 }
1350
vidioc_s_input(struct file * file,void * priv,unsigned int i)1351 static int vidioc_s_input (struct file *file, void *priv, unsigned int i)
1352 {
1353 struct cx88_core *core = ((struct cx8800_fh *)priv)->dev->core;
1354
1355 if (i >= 4)
1356 return -EINVAL;
1357
1358 mutex_lock(&core->lock);
1359 cx88_newstation(core);
1360 cx88_video_mux(core,i);
1361 mutex_unlock(&core->lock);
1362 return 0;
1363 }
1364
1365
1366
vidioc_queryctrl(struct file * file,void * priv,struct v4l2_queryctrl * qctrl)1367 static int vidioc_queryctrl (struct file *file, void *priv,
1368 struct v4l2_queryctrl *qctrl)
1369 {
1370 struct cx88_core *core = ((struct cx8800_fh *)priv)->dev->core;
1371
1372 qctrl->id = v4l2_ctrl_next(ctrl_classes, qctrl->id);
1373 if (unlikely(qctrl->id == 0))
1374 return -EINVAL;
1375 return cx8800_ctrl_query(core, qctrl);
1376 }
1377
vidioc_g_ctrl(struct file * file,void * priv,struct v4l2_control * ctl)1378 static int vidioc_g_ctrl (struct file *file, void *priv,
1379 struct v4l2_control *ctl)
1380 {
1381 struct cx88_core *core = ((struct cx8800_fh *)priv)->dev->core;
1382 return
1383 cx88_get_control(core,ctl);
1384 }
1385
vidioc_s_ctrl(struct file * file,void * priv,struct v4l2_control * ctl)1386 static int vidioc_s_ctrl (struct file *file, void *priv,
1387 struct v4l2_control *ctl)
1388 {
1389 struct cx88_core *core = ((struct cx8800_fh *)priv)->dev->core;
1390 return
1391 cx88_set_control(core,ctl);
1392 }
1393
vidioc_g_tuner(struct file * file,void * priv,struct v4l2_tuner * t)1394 static int vidioc_g_tuner (struct file *file, void *priv,
1395 struct v4l2_tuner *t)
1396 {
1397 struct cx88_core *core = ((struct cx8800_fh *)priv)->dev->core;
1398 u32 reg;
1399
1400 if (unlikely(UNSET == core->board.tuner_type))
1401 return -EINVAL;
1402 if (0 != t->index)
1403 return -EINVAL;
1404
1405 strcpy(t->name, "Television");
1406 t->type = V4L2_TUNER_ANALOG_TV;
1407 t->capability = V4L2_TUNER_CAP_NORM;
1408 t->rangehigh = 0xffffffffUL;
1409
1410 cx88_get_stereo(core ,t);
1411 reg = cx_read(MO_DEVICE_STATUS);
1412 t->signal = (reg & (1<<5)) ? 0xffff : 0x0000;
1413 return 0;
1414 }
1415
vidioc_s_tuner(struct file * file,void * priv,struct v4l2_tuner * t)1416 static int vidioc_s_tuner (struct file *file, void *priv,
1417 struct v4l2_tuner *t)
1418 {
1419 struct cx88_core *core = ((struct cx8800_fh *)priv)->dev->core;
1420
1421 if (UNSET == core->board.tuner_type)
1422 return -EINVAL;
1423 if (0 != t->index)
1424 return -EINVAL;
1425
1426 cx88_set_stereo(core, t->audmode, 1);
1427 return 0;
1428 }
1429
vidioc_g_frequency(struct file * file,void * priv,struct v4l2_frequency * f)1430 static int vidioc_g_frequency (struct file *file, void *priv,
1431 struct v4l2_frequency *f)
1432 {
1433 struct cx8800_fh *fh = priv;
1434 struct cx88_core *core = fh->dev->core;
1435
1436 if (unlikely(UNSET == core->board.tuner_type))
1437 return -EINVAL;
1438
1439 /* f->type = fh->radio ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV; */
1440 f->type = fh->radio ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV;
1441 f->frequency = core->freq;
1442
1443 call_all(core, tuner, g_frequency, f);
1444
1445 return 0;
1446 }
1447
cx88_set_freq(struct cx88_core * core,struct v4l2_frequency * f)1448 int cx88_set_freq (struct cx88_core *core,
1449 struct v4l2_frequency *f)
1450 {
1451 if (unlikely(UNSET == core->board.tuner_type))
1452 return -EINVAL;
1453 if (unlikely(f->tuner != 0))
1454 return -EINVAL;
1455
1456 mutex_lock(&core->lock);
1457 core->freq = f->frequency;
1458 cx88_newstation(core);
1459 call_all(core, tuner, s_frequency, f);
1460
1461 /* When changing channels it is required to reset TVAUDIO */
1462 msleep (10);
1463 cx88_set_tvaudio(core);
1464
1465 mutex_unlock(&core->lock);
1466
1467 return 0;
1468 }
1469 EXPORT_SYMBOL(cx88_set_freq);
1470
vidioc_s_frequency(struct file * file,void * priv,struct v4l2_frequency * f)1471 static int vidioc_s_frequency (struct file *file, void *priv,
1472 struct v4l2_frequency *f)
1473 {
1474 struct cx8800_fh *fh = priv;
1475 struct cx88_core *core = fh->dev->core;
1476
1477 if (unlikely(0 == fh->radio && f->type != V4L2_TUNER_ANALOG_TV))
1478 return -EINVAL;
1479 if (unlikely(1 == fh->radio && f->type != V4L2_TUNER_RADIO))
1480 return -EINVAL;
1481
1482 return
1483 cx88_set_freq (core,f);
1484 }
1485
1486 #ifdef CONFIG_VIDEO_ADV_DEBUG
vidioc_g_register(struct file * file,void * fh,struct v4l2_dbg_register * reg)1487 static int vidioc_g_register (struct file *file, void *fh,
1488 struct v4l2_dbg_register *reg)
1489 {
1490 struct cx88_core *core = ((struct cx8800_fh*)fh)->dev->core;
1491
1492 if (!v4l2_chip_match_host(®->match))
1493 return -EINVAL;
1494 /* cx2388x has a 24-bit register space */
1495 reg->val = cx_read(reg->reg & 0xffffff);
1496 reg->size = 4;
1497 return 0;
1498 }
1499
vidioc_s_register(struct file * file,void * fh,struct v4l2_dbg_register * reg)1500 static int vidioc_s_register (struct file *file, void *fh,
1501 struct v4l2_dbg_register *reg)
1502 {
1503 struct cx88_core *core = ((struct cx8800_fh*)fh)->dev->core;
1504
1505 if (!v4l2_chip_match_host(®->match))
1506 return -EINVAL;
1507 cx_write(reg->reg & 0xffffff, reg->val);
1508 return 0;
1509 }
1510 #endif
1511
1512 /* ----------------------------------------------------------- */
1513 /* RADIO ESPECIFIC IOCTLS */
1514 /* ----------------------------------------------------------- */
1515
radio_querycap(struct file * file,void * priv,struct v4l2_capability * cap)1516 static int radio_querycap (struct file *file, void *priv,
1517 struct v4l2_capability *cap)
1518 {
1519 struct cx8800_dev *dev = ((struct cx8800_fh *)priv)->dev;
1520 struct cx88_core *core = dev->core;
1521
1522 strcpy(cap->driver, "cx8800");
1523 strlcpy(cap->card, core->board.name, sizeof(cap->card));
1524 sprintf(cap->bus_info,"PCI:%s", pci_name(dev->pci));
1525 cap->capabilities = V4L2_CAP_TUNER;
1526 return 0;
1527 }
1528
radio_g_tuner(struct file * file,void * priv,struct v4l2_tuner * t)1529 static int radio_g_tuner (struct file *file, void *priv,
1530 struct v4l2_tuner *t)
1531 {
1532 struct cx88_core *core = ((struct cx8800_fh *)priv)->dev->core;
1533
1534 if (unlikely(t->index > 0))
1535 return -EINVAL;
1536
1537 strcpy(t->name, "Radio");
1538 t->type = V4L2_TUNER_RADIO;
1539
1540 call_all(core, tuner, g_tuner, t);
1541 return 0;
1542 }
1543
radio_enum_input(struct file * file,void * priv,struct v4l2_input * i)1544 static int radio_enum_input (struct file *file, void *priv,
1545 struct v4l2_input *i)
1546 {
1547 if (i->index != 0)
1548 return -EINVAL;
1549 strcpy(i->name,"Radio");
1550 i->type = V4L2_INPUT_TYPE_TUNER;
1551
1552 return 0;
1553 }
1554
radio_g_audio(struct file * file,void * priv,struct v4l2_audio * a)1555 static int radio_g_audio (struct file *file, void *priv, struct v4l2_audio *a)
1556 {
1557 if (unlikely(a->index))
1558 return -EINVAL;
1559
1560 strcpy(a->name,"Radio");
1561 return 0;
1562 }
1563
1564 /* FIXME: Should add a standard for radio */
1565
radio_s_tuner(struct file * file,void * priv,struct v4l2_tuner * t)1566 static int radio_s_tuner (struct file *file, void *priv,
1567 struct v4l2_tuner *t)
1568 {
1569 struct cx88_core *core = ((struct cx8800_fh *)priv)->dev->core;
1570
1571 if (0 != t->index)
1572 return -EINVAL;
1573
1574 call_all(core, tuner, s_tuner, t);
1575
1576 return 0;
1577 }
1578
radio_s_audio(struct file * file,void * fh,struct v4l2_audio * a)1579 static int radio_s_audio (struct file *file, void *fh,
1580 struct v4l2_audio *a)
1581 {
1582 return 0;
1583 }
1584
radio_s_input(struct file * file,void * fh,unsigned int i)1585 static int radio_s_input (struct file *file, void *fh, unsigned int i)
1586 {
1587 return 0;
1588 }
1589
radio_queryctrl(struct file * file,void * priv,struct v4l2_queryctrl * c)1590 static int radio_queryctrl (struct file *file, void *priv,
1591 struct v4l2_queryctrl *c)
1592 {
1593 int i;
1594
1595 if (c->id < V4L2_CID_BASE ||
1596 c->id >= V4L2_CID_LASTP1)
1597 return -EINVAL;
1598 if (c->id == V4L2_CID_AUDIO_MUTE ||
1599 c->id == V4L2_CID_AUDIO_VOLUME ||
1600 c->id == V4L2_CID_AUDIO_BALANCE) {
1601 for (i = 0; i < CX8800_CTLS; i++) {
1602 if (cx8800_ctls[i].v.id == c->id)
1603 break;
1604 }
1605 if (i == CX8800_CTLS)
1606 return -EINVAL;
1607 *c = cx8800_ctls[i].v;
1608 } else
1609 *c = no_ctl;
1610 return 0;
1611 }
1612
1613 /* ----------------------------------------------------------- */
1614
cx8800_vid_timeout(unsigned long data)1615 static void cx8800_vid_timeout(unsigned long data)
1616 {
1617 struct cx8800_dev *dev = (struct cx8800_dev*)data;
1618 struct cx88_core *core = dev->core;
1619 struct cx88_dmaqueue *q = &dev->vidq;
1620 struct cx88_buffer *buf;
1621 unsigned long flags;
1622
1623 cx88_sram_channel_dump(core, &cx88_sram_channels[SRAM_CH21]);
1624
1625 cx_clear(MO_VID_DMACNTRL, 0x11);
1626 cx_clear(VID_CAPTURE_CONTROL, 0x06);
1627
1628 spin_lock_irqsave(&dev->slock,flags);
1629 while (!list_empty(&q->active)) {
1630 buf = list_entry(q->active.next, struct cx88_buffer, vb.queue);
1631 list_del(&buf->vb.queue);
1632 buf->vb.state = VIDEOBUF_ERROR;
1633 wake_up(&buf->vb.done);
1634 printk("%s/0: [%p/%d] timeout - dma=0x%08lx\n", core->name,
1635 buf, buf->vb.i, (unsigned long)buf->risc.dma);
1636 }
1637 restart_video_queue(dev,q);
1638 spin_unlock_irqrestore(&dev->slock,flags);
1639 }
1640
1641 static const char *cx88_vid_irqs[32] = {
1642 "y_risci1", "u_risci1", "v_risci1", "vbi_risc1",
1643 "y_risci2", "u_risci2", "v_risci2", "vbi_risc2",
1644 "y_oflow", "u_oflow", "v_oflow", "vbi_oflow",
1645 "y_sync", "u_sync", "v_sync", "vbi_sync",
1646 "opc_err", "par_err", "rip_err", "pci_abort",
1647 };
1648
cx8800_vid_irq(struct cx8800_dev * dev)1649 static void cx8800_vid_irq(struct cx8800_dev *dev)
1650 {
1651 struct cx88_core *core = dev->core;
1652 u32 status, mask, count;
1653
1654 status = cx_read(MO_VID_INTSTAT);
1655 mask = cx_read(MO_VID_INTMSK);
1656 if (0 == (status & mask))
1657 return;
1658 cx_write(MO_VID_INTSTAT, status);
1659 if (irq_debug || (status & mask & ~0xff))
1660 cx88_print_irqbits(core->name, "irq vid",
1661 cx88_vid_irqs, ARRAY_SIZE(cx88_vid_irqs),
1662 status, mask);
1663
1664 /* risc op code error */
1665 if (status & (1 << 16)) {
1666 printk(KERN_WARNING "%s/0: video risc op code error\n",core->name);
1667 cx_clear(MO_VID_DMACNTRL, 0x11);
1668 cx_clear(VID_CAPTURE_CONTROL, 0x06);
1669 cx88_sram_channel_dump(core, &cx88_sram_channels[SRAM_CH21]);
1670 }
1671
1672 /* risc1 y */
1673 if (status & 0x01) {
1674 spin_lock(&dev->slock);
1675 count = cx_read(MO_VIDY_GPCNT);
1676 cx88_wakeup(core, &dev->vidq, count);
1677 spin_unlock(&dev->slock);
1678 }
1679
1680 /* risc1 vbi */
1681 if (status & 0x08) {
1682 spin_lock(&dev->slock);
1683 count = cx_read(MO_VBI_GPCNT);
1684 cx88_wakeup(core, &dev->vbiq, count);
1685 spin_unlock(&dev->slock);
1686 }
1687
1688 /* risc2 y */
1689 if (status & 0x10) {
1690 dprintk(2,"stopper video\n");
1691 spin_lock(&dev->slock);
1692 restart_video_queue(dev,&dev->vidq);
1693 spin_unlock(&dev->slock);
1694 }
1695
1696 /* risc2 vbi */
1697 if (status & 0x80) {
1698 dprintk(2,"stopper vbi\n");
1699 spin_lock(&dev->slock);
1700 cx8800_restart_vbi_queue(dev,&dev->vbiq);
1701 spin_unlock(&dev->slock);
1702 }
1703 }
1704
cx8800_irq(int irq,void * dev_id)1705 static irqreturn_t cx8800_irq(int irq, void *dev_id)
1706 {
1707 struct cx8800_dev *dev = dev_id;
1708 struct cx88_core *core = dev->core;
1709 u32 status;
1710 int loop, handled = 0;
1711
1712 for (loop = 0; loop < 10; loop++) {
1713 status = cx_read(MO_PCI_INTSTAT) &
1714 (core->pci_irqmask | PCI_INT_VIDINT);
1715 if (0 == status)
1716 goto out;
1717 cx_write(MO_PCI_INTSTAT, status);
1718 handled = 1;
1719
1720 if (status & core->pci_irqmask)
1721 cx88_core_irq(core,status);
1722 if (status & PCI_INT_VIDINT)
1723 cx8800_vid_irq(dev);
1724 };
1725 if (10 == loop) {
1726 printk(KERN_WARNING "%s/0: irq loop -- clearing mask\n",
1727 core->name);
1728 cx_write(MO_PCI_INTMSK,0);
1729 }
1730
1731 out:
1732 return IRQ_RETVAL(handled);
1733 }
1734
1735 /* ----------------------------------------------------------- */
1736 /* exported stuff */
1737
1738 static const struct v4l2_file_operations video_fops =
1739 {
1740 .owner = THIS_MODULE,
1741 .open = video_open,
1742 .release = video_release,
1743 .read = video_read,
1744 .poll = video_poll,
1745 .mmap = video_mmap,
1746 .unlocked_ioctl = video_ioctl2,
1747 };
1748
1749 static const struct v4l2_ioctl_ops video_ioctl_ops = {
1750 .vidioc_querycap = vidioc_querycap,
1751 .vidioc_enum_fmt_vid_cap = vidioc_enum_fmt_vid_cap,
1752 .vidioc_g_fmt_vid_cap = vidioc_g_fmt_vid_cap,
1753 .vidioc_try_fmt_vid_cap = vidioc_try_fmt_vid_cap,
1754 .vidioc_s_fmt_vid_cap = vidioc_s_fmt_vid_cap,
1755 .vidioc_g_fmt_vbi_cap = cx8800_vbi_fmt,
1756 .vidioc_try_fmt_vbi_cap = cx8800_vbi_fmt,
1757 .vidioc_s_fmt_vbi_cap = cx8800_vbi_fmt,
1758 .vidioc_reqbufs = vidioc_reqbufs,
1759 .vidioc_querybuf = vidioc_querybuf,
1760 .vidioc_qbuf = vidioc_qbuf,
1761 .vidioc_dqbuf = vidioc_dqbuf,
1762 .vidioc_s_std = vidioc_s_std,
1763 .vidioc_enum_input = vidioc_enum_input,
1764 .vidioc_g_input = vidioc_g_input,
1765 .vidioc_s_input = vidioc_s_input,
1766 .vidioc_queryctrl = vidioc_queryctrl,
1767 .vidioc_g_ctrl = vidioc_g_ctrl,
1768 .vidioc_s_ctrl = vidioc_s_ctrl,
1769 .vidioc_streamon = vidioc_streamon,
1770 .vidioc_streamoff = vidioc_streamoff,
1771 .vidioc_g_tuner = vidioc_g_tuner,
1772 .vidioc_s_tuner = vidioc_s_tuner,
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_vbi_template;
1782
1783 static const struct video_device cx8800_video_template = {
1784 .name = "cx8800-video",
1785 .fops = &video_fops,
1786 .ioctl_ops = &video_ioctl_ops,
1787 .tvnorms = CX88_NORMS,
1788 .current_norm = V4L2_STD_NTSC_M,
1789 };
1790
1791 static const struct v4l2_file_operations radio_fops =
1792 {
1793 .owner = THIS_MODULE,
1794 .open = video_open,
1795 .release = video_release,
1796 .unlocked_ioctl = video_ioctl2,
1797 };
1798
1799 static const struct v4l2_ioctl_ops radio_ioctl_ops = {
1800 .vidioc_querycap = radio_querycap,
1801 .vidioc_g_tuner = radio_g_tuner,
1802 .vidioc_enum_input = radio_enum_input,
1803 .vidioc_g_audio = radio_g_audio,
1804 .vidioc_s_tuner = radio_s_tuner,
1805 .vidioc_s_audio = radio_s_audio,
1806 .vidioc_s_input = radio_s_input,
1807 .vidioc_queryctrl = radio_queryctrl,
1808 .vidioc_g_ctrl = vidioc_g_ctrl,
1809 .vidioc_s_ctrl = vidioc_s_ctrl,
1810 .vidioc_g_frequency = vidioc_g_frequency,
1811 .vidioc_s_frequency = vidioc_s_frequency,
1812 #ifdef CONFIG_VIDEO_ADV_DEBUG
1813 .vidioc_g_register = vidioc_g_register,
1814 .vidioc_s_register = vidioc_s_register,
1815 #endif
1816 };
1817
1818 static const struct video_device cx8800_radio_template = {
1819 .name = "cx8800-radio",
1820 .fops = &radio_fops,
1821 .ioctl_ops = &radio_ioctl_ops,
1822 };
1823
1824 /* ----------------------------------------------------------- */
1825
cx8800_unregister_video(struct cx8800_dev * dev)1826 static void cx8800_unregister_video(struct cx8800_dev *dev)
1827 {
1828 if (dev->radio_dev) {
1829 if (video_is_registered(dev->radio_dev))
1830 video_unregister_device(dev->radio_dev);
1831 else
1832 video_device_release(dev->radio_dev);
1833 dev->radio_dev = NULL;
1834 }
1835 if (dev->vbi_dev) {
1836 if (video_is_registered(dev->vbi_dev))
1837 video_unregister_device(dev->vbi_dev);
1838 else
1839 video_device_release(dev->vbi_dev);
1840 dev->vbi_dev = NULL;
1841 }
1842 if (dev->video_dev) {
1843 if (video_is_registered(dev->video_dev))
1844 video_unregister_device(dev->video_dev);
1845 else
1846 video_device_release(dev->video_dev);
1847 dev->video_dev = NULL;
1848 }
1849 }
1850
cx8800_initdev(struct pci_dev * pci_dev,const struct pci_device_id * pci_id)1851 static int __devinit cx8800_initdev(struct pci_dev *pci_dev,
1852 const struct pci_device_id *pci_id)
1853 {
1854 struct cx8800_dev *dev;
1855 struct cx88_core *core;
1856
1857 int err;
1858
1859 dev = kzalloc(sizeof(*dev),GFP_KERNEL);
1860 if (NULL == dev)
1861 return -ENOMEM;
1862
1863 /* pci init */
1864 dev->pci = pci_dev;
1865 if (pci_enable_device(pci_dev)) {
1866 err = -EIO;
1867 goto fail_free;
1868 }
1869 core = cx88_core_get(dev->pci);
1870 if (NULL == core) {
1871 err = -EINVAL;
1872 goto fail_free;
1873 }
1874 dev->core = core;
1875
1876 /* print pci info */
1877 dev->pci_rev = pci_dev->revision;
1878 pci_read_config_byte(pci_dev, PCI_LATENCY_TIMER, &dev->pci_lat);
1879 printk(KERN_INFO "%s/0: found at %s, rev: %d, irq: %d, "
1880 "latency: %d, mmio: 0x%llx\n", core->name,
1881 pci_name(pci_dev), dev->pci_rev, pci_dev->irq,
1882 dev->pci_lat,(unsigned long long)pci_resource_start(pci_dev,0));
1883
1884 pci_set_master(pci_dev);
1885 if (!pci_dma_supported(pci_dev,DMA_BIT_MASK(32))) {
1886 printk("%s/0: Oops: no 32bit PCI DMA ???\n",core->name);
1887 err = -EIO;
1888 goto fail_core;
1889 }
1890
1891 /* Initialize VBI template */
1892 memcpy( &cx8800_vbi_template, &cx8800_video_template,
1893 sizeof(cx8800_vbi_template) );
1894 strcpy(cx8800_vbi_template.name,"cx8800-vbi");
1895
1896 /* initialize driver struct */
1897 spin_lock_init(&dev->slock);
1898 core->tvnorm = cx8800_video_template.current_norm;
1899
1900 /* init video dma queues */
1901 INIT_LIST_HEAD(&dev->vidq.active);
1902 INIT_LIST_HEAD(&dev->vidq.queued);
1903 dev->vidq.timeout.function = cx8800_vid_timeout;
1904 dev->vidq.timeout.data = (unsigned long)dev;
1905 init_timer(&dev->vidq.timeout);
1906 cx88_risc_stopper(dev->pci,&dev->vidq.stopper,
1907 MO_VID_DMACNTRL,0x11,0x00);
1908
1909 /* init vbi dma queues */
1910 INIT_LIST_HEAD(&dev->vbiq.active);
1911 INIT_LIST_HEAD(&dev->vbiq.queued);
1912 dev->vbiq.timeout.function = cx8800_vbi_timeout;
1913 dev->vbiq.timeout.data = (unsigned long)dev;
1914 init_timer(&dev->vbiq.timeout);
1915 cx88_risc_stopper(dev->pci,&dev->vbiq.stopper,
1916 MO_VID_DMACNTRL,0x88,0x00);
1917
1918 /* get irq */
1919 err = request_irq(pci_dev->irq, cx8800_irq,
1920 IRQF_SHARED | IRQF_DISABLED, core->name, dev);
1921 if (err < 0) {
1922 printk(KERN_ERR "%s/0: can't get IRQ %d\n",
1923 core->name,pci_dev->irq);
1924 goto fail_core;
1925 }
1926 cx_set(MO_PCI_INTMSK, core->pci_irqmask);
1927
1928 /* load and configure helper modules */
1929
1930 if (core->board.audio_chip == V4L2_IDENT_WM8775) {
1931 struct i2c_board_info wm8775_info = {
1932 .type = "wm8775",
1933 .addr = 0x36 >> 1,
1934 .platform_data = &core->wm8775_data,
1935 };
1936 struct v4l2_subdev *sd;
1937
1938 if (core->boardnr == CX88_BOARD_HAUPPAUGE_NOVASPLUS_S1)
1939 core->wm8775_data.is_nova_s = true;
1940 else
1941 core->wm8775_data.is_nova_s = false;
1942
1943 sd = v4l2_i2c_new_subdev_board(&core->v4l2_dev, &core->i2c_adap,
1944 &wm8775_info, NULL);
1945 if (sd != NULL)
1946 sd->grp_id = WM8775_GID;
1947 }
1948
1949 if (core->board.audio_chip == V4L2_IDENT_TVAUDIO) {
1950 /* This probes for a tda9874 as is used on some
1951 Pixelview Ultra boards. */
1952 v4l2_i2c_new_subdev(&core->v4l2_dev, &core->i2c_adap,
1953 "tvaudio", 0, I2C_ADDRS(0xb0 >> 1));
1954 }
1955
1956 switch (core->boardnr) {
1957 case CX88_BOARD_DVICO_FUSIONHDTV_5_GOLD:
1958 case CX88_BOARD_DVICO_FUSIONHDTV_7_GOLD: {
1959 static const struct i2c_board_info rtc_info = {
1960 I2C_BOARD_INFO("isl1208", 0x6f)
1961 };
1962
1963 request_module("rtc-isl1208");
1964 core->i2c_rtc = i2c_new_device(&core->i2c_adap, &rtc_info);
1965 }
1966 /* break intentionally omitted */
1967 case CX88_BOARD_DVICO_FUSIONHDTV_5_PCI_NANO:
1968 request_module("ir-kbd-i2c");
1969 }
1970
1971 /* Sets device info at pci_dev */
1972 pci_set_drvdata(pci_dev, dev);
1973
1974 /* initial device configuration */
1975 mutex_lock(&core->lock);
1976 cx88_set_tvnorm(core, core->tvnorm);
1977 init_controls(core);
1978 cx88_video_mux(core, 0);
1979
1980 /* register v4l devices */
1981 dev->video_dev = cx88_vdev_init(core,dev->pci,
1982 &cx8800_video_template,"video");
1983 video_set_drvdata(dev->video_dev, dev);
1984 err = video_register_device(dev->video_dev,VFL_TYPE_GRABBER,
1985 video_nr[core->nr]);
1986 if (err < 0) {
1987 printk(KERN_ERR "%s/0: can't register video device\n",
1988 core->name);
1989 goto fail_unreg;
1990 }
1991 printk(KERN_INFO "%s/0: registered device %s [v4l2]\n",
1992 core->name, video_device_node_name(dev->video_dev));
1993
1994 dev->vbi_dev = cx88_vdev_init(core,dev->pci,&cx8800_vbi_template,"vbi");
1995 video_set_drvdata(dev->vbi_dev, dev);
1996 err = video_register_device(dev->vbi_dev,VFL_TYPE_VBI,
1997 vbi_nr[core->nr]);
1998 if (err < 0) {
1999 printk(KERN_ERR "%s/0: can't register vbi device\n",
2000 core->name);
2001 goto fail_unreg;
2002 }
2003 printk(KERN_INFO "%s/0: registered device %s\n",
2004 core->name, video_device_node_name(dev->vbi_dev));
2005
2006 if (core->board.radio.type == CX88_RADIO) {
2007 dev->radio_dev = cx88_vdev_init(core,dev->pci,
2008 &cx8800_radio_template,"radio");
2009 video_set_drvdata(dev->radio_dev, dev);
2010 err = video_register_device(dev->radio_dev,VFL_TYPE_RADIO,
2011 radio_nr[core->nr]);
2012 if (err < 0) {
2013 printk(KERN_ERR "%s/0: can't register radio device\n",
2014 core->name);
2015 goto fail_unreg;
2016 }
2017 printk(KERN_INFO "%s/0: registered device %s\n",
2018 core->name, video_device_node_name(dev->radio_dev));
2019 }
2020
2021 /* start tvaudio thread */
2022 if (core->board.tuner_type != TUNER_ABSENT) {
2023 core->kthread = kthread_run(cx88_audio_thread, core, "cx88 tvaudio");
2024 if (IS_ERR(core->kthread)) {
2025 err = PTR_ERR(core->kthread);
2026 printk(KERN_ERR "%s/0: failed to create cx88 audio thread, err=%d\n",
2027 core->name, err);
2028 }
2029 }
2030 mutex_unlock(&core->lock);
2031
2032 return 0;
2033
2034 fail_unreg:
2035 cx8800_unregister_video(dev);
2036 free_irq(pci_dev->irq, dev);
2037 mutex_unlock(&core->lock);
2038 fail_core:
2039 cx88_core_put(core,dev->pci);
2040 fail_free:
2041 kfree(dev);
2042 return err;
2043 }
2044
cx8800_finidev(struct pci_dev * pci_dev)2045 static void __devexit cx8800_finidev(struct pci_dev *pci_dev)
2046 {
2047 struct cx8800_dev *dev = pci_get_drvdata(pci_dev);
2048 struct cx88_core *core = dev->core;
2049
2050 /* stop thread */
2051 if (core->kthread) {
2052 kthread_stop(core->kthread);
2053 core->kthread = NULL;
2054 }
2055
2056 if (core->ir)
2057 cx88_ir_stop(core);
2058
2059 cx88_shutdown(core); /* FIXME */
2060 pci_disable_device(pci_dev);
2061
2062 /* unregister stuff */
2063
2064 free_irq(pci_dev->irq, dev);
2065 cx8800_unregister_video(dev);
2066 pci_set_drvdata(pci_dev, NULL);
2067
2068 /* free memory */
2069 btcx_riscmem_free(dev->pci,&dev->vidq.stopper);
2070 cx88_core_put(core,dev->pci);
2071 kfree(dev);
2072 }
2073
2074 #ifdef CONFIG_PM
cx8800_suspend(struct pci_dev * pci_dev,pm_message_t state)2075 static int cx8800_suspend(struct pci_dev *pci_dev, pm_message_t state)
2076 {
2077 struct cx8800_dev *dev = pci_get_drvdata(pci_dev);
2078 struct cx88_core *core = dev->core;
2079
2080 /* stop video+vbi capture */
2081 spin_lock(&dev->slock);
2082 if (!list_empty(&dev->vidq.active)) {
2083 printk("%s/0: suspend video\n", core->name);
2084 stop_video_dma(dev);
2085 del_timer(&dev->vidq.timeout);
2086 }
2087 if (!list_empty(&dev->vbiq.active)) {
2088 printk("%s/0: suspend vbi\n", core->name);
2089 cx8800_stop_vbi_dma(dev);
2090 del_timer(&dev->vbiq.timeout);
2091 }
2092 spin_unlock(&dev->slock);
2093
2094 if (core->ir)
2095 cx88_ir_stop(core);
2096 /* FIXME -- shutdown device */
2097 cx88_shutdown(core);
2098
2099 pci_save_state(pci_dev);
2100 if (0 != pci_set_power_state(pci_dev, pci_choose_state(pci_dev, state))) {
2101 pci_disable_device(pci_dev);
2102 dev->state.disabled = 1;
2103 }
2104 return 0;
2105 }
2106
cx8800_resume(struct pci_dev * pci_dev)2107 static int cx8800_resume(struct pci_dev *pci_dev)
2108 {
2109 struct cx8800_dev *dev = pci_get_drvdata(pci_dev);
2110 struct cx88_core *core = dev->core;
2111 int err;
2112
2113 if (dev->state.disabled) {
2114 err=pci_enable_device(pci_dev);
2115 if (err) {
2116 printk(KERN_ERR "%s/0: can't enable device\n",
2117 core->name);
2118 return err;
2119 }
2120
2121 dev->state.disabled = 0;
2122 }
2123 err= pci_set_power_state(pci_dev, PCI_D0);
2124 if (err) {
2125 printk(KERN_ERR "%s/0: can't set power state\n", core->name);
2126 pci_disable_device(pci_dev);
2127 dev->state.disabled = 1;
2128
2129 return err;
2130 }
2131 pci_restore_state(pci_dev);
2132
2133 /* FIXME: re-initialize hardware */
2134 cx88_reset(core);
2135 if (core->ir)
2136 cx88_ir_start(core);
2137
2138 cx_set(MO_PCI_INTMSK, core->pci_irqmask);
2139
2140 /* restart video+vbi capture */
2141 spin_lock(&dev->slock);
2142 if (!list_empty(&dev->vidq.active)) {
2143 printk("%s/0: resume video\n", core->name);
2144 restart_video_queue(dev,&dev->vidq);
2145 }
2146 if (!list_empty(&dev->vbiq.active)) {
2147 printk("%s/0: resume vbi\n", core->name);
2148 cx8800_restart_vbi_queue(dev,&dev->vbiq);
2149 }
2150 spin_unlock(&dev->slock);
2151
2152 return 0;
2153 }
2154 #endif
2155
2156 /* ----------------------------------------------------------- */
2157
2158 static const struct pci_device_id cx8800_pci_tbl[] = {
2159 {
2160 .vendor = 0x14f1,
2161 .device = 0x8800,
2162 .subvendor = PCI_ANY_ID,
2163 .subdevice = PCI_ANY_ID,
2164 },{
2165 /* --- end of list --- */
2166 }
2167 };
2168 MODULE_DEVICE_TABLE(pci, cx8800_pci_tbl);
2169
2170 static struct pci_driver cx8800_pci_driver = {
2171 .name = "cx8800",
2172 .id_table = cx8800_pci_tbl,
2173 .probe = cx8800_initdev,
2174 .remove = __devexit_p(cx8800_finidev),
2175 #ifdef CONFIG_PM
2176 .suspend = cx8800_suspend,
2177 .resume = cx8800_resume,
2178 #endif
2179 };
2180
cx8800_init(void)2181 static int __init cx8800_init(void)
2182 {
2183 printk(KERN_INFO "cx88/0: cx2388x v4l2 driver version %s loaded\n",
2184 CX88_VERSION);
2185 return pci_register_driver(&cx8800_pci_driver);
2186 }
2187
cx8800_fini(void)2188 static void __exit cx8800_fini(void)
2189 {
2190 pci_unregister_driver(&cx8800_pci_driver);
2191 }
2192
2193 module_init(cx8800_init);
2194 module_exit(cx8800_fini);
2195