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x86, numa: Reduce minimum fake node size to 32M
[linux/fpc-iii.git] / drivers / media / video / cx231xx / cx231xx-core.c
blob4af46fca9b0a5f1e9a1530ed0a1eaf5c47dbe000
1 /*
2 cx231xx-core.c - driver for Conexant Cx23100/101/102
3 USB video capture devices
4
5 Copyright (C) 2008 <srinivasa.deevi at conexant dot com>
6 Based on em28xx driver
7
8 This program is free software; you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 2 of the License, or
11 (at your option) any later version.
12
13 This program is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
17
18 You should have received a copy of the GNU General Public License
19 along with this program; if not, write to the Free Software
20 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
21 */
22
23 #include <linux/init.h>
24 #include <linux/list.h>
25 #include <linux/module.h>
26 #include <linux/slab.h>
27 #include <linux/usb.h>
28 #include <linux/vmalloc.h>
29 #include <media/v4l2-common.h>
30 #include <media/tuner.h>
31
32 #include "cx231xx.h"
33 #include "cx231xx-reg.h"
34
35 /* #define ENABLE_DEBUG_ISOC_FRAMES */
36
37 static unsigned int core_debug;
38 module_param(core_debug, int, 0644);
39 MODULE_PARM_DESC(core_debug, "enable debug messages [core]");
40
41 #define cx231xx_coredbg(fmt, arg...) do {\
42 if (core_debug) \
43 printk(KERN_INFO "%s %s :"fmt, \
44 dev->name, __func__ , ##arg); } while (0)
45
46 static unsigned int reg_debug;
47 module_param(reg_debug, int, 0644);
48 MODULE_PARM_DESC(reg_debug, "enable debug messages [URB reg]");
49
50 static int alt = CX231XX_PINOUT;
51 module_param(alt, int, 0644);
52 MODULE_PARM_DESC(alt, "alternate setting to use for video endpoint");
53
54 #define cx231xx_isocdbg(fmt, arg...) do {\
55 if (core_debug) \
56 printk(KERN_INFO "%s %s :"fmt, \
57 dev->name, __func__ , ##arg); } while (0)
58
59 /*****************************************************************
60 * Device control list functions *
61 ******************************************************************/
62
63 LIST_HEAD(cx231xx_devlist);
64 static DEFINE_MUTEX(cx231xx_devlist_mutex);
65
66 /*
67 * cx231xx_realease_resources()
68 * unregisters the v4l2,i2c and usb devices
69 * called when the device gets disconected or at module unload
70 */
71 void cx231xx_remove_from_devlist(struct cx231xx *dev)
72 {
73 if (dev == NULL)
74 return;
75 if (dev->udev == NULL)
76 return;
77
78 if (atomic_read(&dev->devlist_count) > 0) {
79 mutex_lock(&cx231xx_devlist_mutex);
80 list_del(&dev->devlist);
81 atomic_dec(&dev->devlist_count);
82 mutex_unlock(&cx231xx_devlist_mutex);
83 }
84 };
85
86 void cx231xx_add_into_devlist(struct cx231xx *dev)
87 {
88 mutex_lock(&cx231xx_devlist_mutex);
89 list_add_tail(&dev->devlist, &cx231xx_devlist);
90 atomic_inc(&dev->devlist_count);
91 mutex_unlock(&cx231xx_devlist_mutex);
92 };
93
94 static LIST_HEAD(cx231xx_extension_devlist);
95
96 int cx231xx_register_extension(struct cx231xx_ops *ops)
97 {
98 struct cx231xx *dev = NULL;
99
100 mutex_lock(&cx231xx_devlist_mutex);
101 list_add_tail(&ops->next, &cx231xx_extension_devlist);
102 list_for_each_entry(dev, &cx231xx_devlist, devlist)
103 ops->init(dev);
104
105 printk(KERN_INFO DRIVER_NAME ": %s initialized\n", ops->name);
106 mutex_unlock(&cx231xx_devlist_mutex);
107 return 0;
108 }
109 EXPORT_SYMBOL(cx231xx_register_extension);
110
111 void cx231xx_unregister_extension(struct cx231xx_ops *ops)
112 {
113 struct cx231xx *dev = NULL;
114
115 mutex_lock(&cx231xx_devlist_mutex);
116 list_for_each_entry(dev, &cx231xx_devlist, devlist)
117 ops->fini(dev);
118
119
120 printk(KERN_INFO DRIVER_NAME ": %s removed\n", ops->name);
121 list_del(&ops->next);
122 mutex_unlock(&cx231xx_devlist_mutex);
123 }
124 EXPORT_SYMBOL(cx231xx_unregister_extension);
125
126 void cx231xx_init_extension(struct cx231xx *dev)
127 {
128 struct cx231xx_ops *ops = NULL;
129
130 mutex_lock(&cx231xx_devlist_mutex);
131 if (!list_empty(&cx231xx_extension_devlist)) {
132 list_for_each_entry(ops, &cx231xx_extension_devlist, next) {
133 if (ops->init)
134 ops->init(dev);
135 }
136 }
137 mutex_unlock(&cx231xx_devlist_mutex);
138 }
139
140 void cx231xx_close_extension(struct cx231xx *dev)
141 {
142 struct cx231xx_ops *ops = NULL;
143
144 mutex_lock(&cx231xx_devlist_mutex);
145 if (!list_empty(&cx231xx_extension_devlist)) {
146 list_for_each_entry(ops, &cx231xx_extension_devlist, next) {
147 if (ops->fini)
148 ops->fini(dev);
149 }
150 }
151 mutex_unlock(&cx231xx_devlist_mutex);
152 }
153
154 /****************************************************************
155 * U S B related functions *
156 *****************************************************************/
157 int cx231xx_send_usb_command(struct cx231xx_i2c *i2c_bus,
158 struct cx231xx_i2c_xfer_data *req_data)
159 {
160 int status = 0;
161 struct cx231xx *dev = i2c_bus->dev;
162 struct VENDOR_REQUEST_IN ven_req;
163
164 u8 saddr_len = 0;
165 u8 _i2c_period = 0;
166 u8 _i2c_nostop = 0;
167 u8 _i2c_reserve = 0;
168
169 /* Get the I2C period, nostop and reserve parameters */
170 _i2c_period = i2c_bus->i2c_period;
171 _i2c_nostop = i2c_bus->i2c_nostop;
172 _i2c_reserve = i2c_bus->i2c_reserve;
173
174 saddr_len = req_data->saddr_len;
175
176 /* Set wValue */
177 if (saddr_len == 1) /* need check saddr_len == 0 */
178 ven_req.wValue =
179 req_data->
180 dev_addr << 9 | _i2c_period << 4 | saddr_len << 2 |
181 _i2c_nostop << 1 | I2C_SYNC | _i2c_reserve << 6;
182 else
183 ven_req.wValue =
184 req_data->
185 dev_addr << 9 | _i2c_period << 4 | saddr_len << 2 |
186 _i2c_nostop << 1 | I2C_SYNC | _i2c_reserve << 6;
187
188 /* set channel number */
189 if (req_data->direction & I2C_M_RD) {
190 /* channel number, for read,spec required channel_num +4 */
191 ven_req.bRequest = i2c_bus->nr + 4;
192 } else
193 ven_req.bRequest = i2c_bus->nr; /* channel number, */
194
195 /* set index value */
196 switch (saddr_len) {
197 case 0:
198 ven_req.wIndex = 0; /* need check */
199 break;
200 case 1:
201 ven_req.wIndex = (req_data->saddr_dat & 0xff);
202 break;
203 case 2:
204 ven_req.wIndex = req_data->saddr_dat;
205 break;
206 }
207
208 /* set wLength value */
209 ven_req.wLength = req_data->buf_size;
210
211 /* set bData value */
212 ven_req.bData = 0;
213
214 /* set the direction */
215 if (req_data->direction) {
216 ven_req.direction = USB_DIR_IN;
217 memset(req_data->p_buffer, 0x00, ven_req.wLength);
218 } else
219 ven_req.direction = USB_DIR_OUT;
220
221 /* set the buffer for read / write */
222 ven_req.pBuff = req_data->p_buffer;
223
224
225 /* call common vendor command request */
226 status = cx231xx_send_vendor_cmd(dev, &ven_req);
227 if (status < 0) {
228 cx231xx_info
229 ("UsbInterface::sendCommand, failed with status -%d\n",
230 status);
231 }
232
233 return status;
234 }
235 EXPORT_SYMBOL_GPL(cx231xx_send_usb_command);
236
237 /*
238 * Sends/Receives URB control messages, assuring to use a kalloced buffer
239 * for all operations (dev->urb_buf), to avoid using stacked buffers, as
240 * they aren't safe for usage with USB, due to DMA restrictions.
241 * Also implements the debug code for control URB's.
242 */
243 static int __usb_control_msg(struct cx231xx *dev, unsigned int pipe,
244 __u8 request, __u8 requesttype, __u16 value, __u16 index,
245 void *data, __u16 size, int timeout)
246 {
247 int rc, i;
248
249 if (reg_debug) {
250 printk(KERN_DEBUG "%s: (pipe 0x%08x): "
251 "%s: %02x %02x %02x %02x %02x %02x %02x %02x ",
252 dev->name,
253 pipe,
254 (requesttype & USB_DIR_IN) ? "IN" : "OUT",
255 requesttype,
256 request,
257 value & 0xff, value >> 8,
258 index & 0xff, index >> 8,
259 size & 0xff, size >> 8);
260 if (!(requesttype & USB_DIR_IN)) {
261 printk(KERN_CONT ">>>");
262 for (i = 0; i < size; i++)
263 printk(KERN_CONT " %02x",
264 ((unsigned char *)data)[i]);
265 }
266 }
267
268 /* Do the real call to usb_control_msg */
269 mutex_lock(&dev->ctrl_urb_lock);
270 if (!(requesttype & USB_DIR_IN) && size)
271 memcpy(dev->urb_buf, data, size);
272 rc = usb_control_msg(dev->udev, pipe, request, requesttype, value,
273 index, dev->urb_buf, size, timeout);
274 if ((requesttype & USB_DIR_IN) && size)
275 memcpy(data, dev->urb_buf, size);
276 mutex_unlock(&dev->ctrl_urb_lock);
277
278 if (reg_debug) {
279 if (unlikely(rc < 0)) {
280 printk(KERN_CONT "FAILED!\n");
281 return rc;
282 }
283
284 if ((requesttype & USB_DIR_IN)) {
285 printk(KERN_CONT "<<<");
286 for (i = 0; i < size; i++)
287 printk(KERN_CONT " %02x",
288 ((unsigned char *)data)[i]);
289 }
290 printk(KERN_CONT "\n");
291 }
292
293 return rc;
294 }
295
296
297 /*
298 * cx231xx_read_ctrl_reg()
299 * reads data from the usb device specifying bRequest and wValue
300 */
301 int cx231xx_read_ctrl_reg(struct cx231xx *dev, u8 req, u16 reg,
302 char *buf, int len)
303 {
304 u8 val = 0;
305 int ret;
306 int pipe = usb_rcvctrlpipe(dev->udev, 0);
307
308 if (dev->state & DEV_DISCONNECTED)
309 return -ENODEV;
310
311 if (len > URB_MAX_CTRL_SIZE)
312 return -EINVAL;
313
314 switch (len) {
315 case 1:
316 val = ENABLE_ONE_BYTE;
317 break;
318 case 2:
319 val = ENABLE_TWE_BYTE;
320 break;
321 case 3:
322 val = ENABLE_THREE_BYTE;
323 break;
324 case 4:
325 val = ENABLE_FOUR_BYTE;
326 break;
327 default:
328 val = 0xFF; /* invalid option */
329 }
330
331 if (val == 0xFF)
332 return -EINVAL;
333
334 ret = __usb_control_msg(dev, pipe, req,
335 USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
336 val, reg, buf, len, HZ);
337 return ret;
338 }
339
340 int cx231xx_send_vendor_cmd(struct cx231xx *dev,
341 struct VENDOR_REQUEST_IN *ven_req)
342 {
343 int ret;
344 int pipe = 0;
345 int unsend_size = 0;
346 u8 *pdata;
347
348 if (dev->state & DEV_DISCONNECTED)
349 return -ENODEV;
350
351 if ((ven_req->wLength > URB_MAX_CTRL_SIZE))
352 return -EINVAL;
353
354 if (ven_req->direction)
355 pipe = usb_rcvctrlpipe(dev->udev, 0);
356 else
357 pipe = usb_sndctrlpipe(dev->udev, 0);
358
359 /*
360 * If the cx23102 read more than 4 bytes with i2c bus,
361 * need chop to 4 byte per request
362 */
363 if ((ven_req->wLength > 4) && ((ven_req->bRequest == 0x4) ||
364 (ven_req->bRequest == 0x5) ||
365 (ven_req->bRequest == 0x6))) {
366 unsend_size = 0;
367 pdata = ven_req->pBuff;
368
369
370 unsend_size = ven_req->wLength;
371
372 /* the first package */
373 ven_req->wValue = ven_req->wValue & 0xFFFB;
374 ven_req->wValue = (ven_req->wValue & 0xFFBD) | 0x2;
375 ret = __usb_control_msg(dev, pipe, ven_req->bRequest,
376 ven_req->direction | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
377 ven_req->wValue, ven_req->wIndex, pdata,
378 0x0004, HZ);
379 unsend_size = unsend_size - 4;
380
381 /* the middle package */
382 ven_req->wValue = (ven_req->wValue & 0xFFBD) | 0x42;
383 while (unsend_size - 4 > 0) {
384 pdata = pdata + 4;
385 ret = __usb_control_msg(dev, pipe,
386 ven_req->bRequest,
387 ven_req->direction | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
388 ven_req->wValue, ven_req->wIndex, pdata,
389 0x0004, HZ);
390 unsend_size = unsend_size - 4;
391 }
392
393 /* the last package */
394 ven_req->wValue = (ven_req->wValue & 0xFFBD) | 0x40;
395 pdata = pdata + 4;
396 ret = __usb_control_msg(dev, pipe, ven_req->bRequest,
397 ven_req->direction | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
398 ven_req->wValue, ven_req->wIndex, pdata,
399 unsend_size, HZ);
400 } else {
401 ret = __usb_control_msg(dev, pipe, ven_req->bRequest,
402 ven_req->direction | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
403 ven_req->wValue, ven_req->wIndex,
404 ven_req->pBuff, ven_req->wLength, HZ);
405 }
406
407 return ret;
408 }
409
410 /*
411 * cx231xx_write_ctrl_reg()
412 * sends data to the usb device, specifying bRequest
413 */
414 int cx231xx_write_ctrl_reg(struct cx231xx *dev, u8 req, u16 reg, char *buf,
415 int len)
416 {
417 u8 val = 0;
418 int ret;
419 int pipe = usb_sndctrlpipe(dev->udev, 0);
420
421 if (dev->state & DEV_DISCONNECTED)
422 return -ENODEV;
423
424 if ((len < 1) || (len > URB_MAX_CTRL_SIZE))
425 return -EINVAL;
426
427 switch (len) {
428 case 1:
429 val = ENABLE_ONE_BYTE;
430 break;
431 case 2:
432 val = ENABLE_TWE_BYTE;
433 break;
434 case 3:
435 val = ENABLE_THREE_BYTE;
436 break;
437 case 4:
438 val = ENABLE_FOUR_BYTE;
439 break;
440 default:
441 val = 0xFF; /* invalid option */
442 }
443
444 if (val == 0xFF)
445 return -EINVAL;
446
447 if (reg_debug) {
448 int byte;
449
450 cx231xx_isocdbg("(pipe 0x%08x): "
451 "OUT: %02x %02x %02x %02x %02x %02x %02x %02x >>>",
452 pipe,
453 USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
454 req, 0, val, reg & 0xff,
455 reg >> 8, len & 0xff, len >> 8);
456
457 for (byte = 0; byte < len; byte++)
458 cx231xx_isocdbg(" %02x", (unsigned char)buf[byte]);
459 cx231xx_isocdbg("\n");
460 }
461
462 ret = __usb_control_msg(dev, pipe, req,
463 USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
464 val, reg, buf, len, HZ);
465
466 return ret;
467 }
468
469 /****************************************************************
470 * USB Alternate Setting functions *
471 *****************************************************************/
472
473 int cx231xx_set_video_alternate(struct cx231xx *dev)
474 {
475 int errCode, prev_alt = dev->video_mode.alt;
476 unsigned int min_pkt_size = dev->width * 2 + 4;
477 u32 usb_interface_index = 0;
478
479 /* When image size is bigger than a certain value,
480 the frame size should be increased, otherwise, only
481 green screen will be received.
482 */
483 if (dev->width * 2 * dev->height > 720 * 240 * 2)
484 min_pkt_size *= 2;
485
486 if (dev->width > 360) {
487 /* resolutions: 720,704,640 */
488 dev->video_mode.alt = 3;
489 } else if (dev->width > 180) {
490 /* resolutions: 360,352,320,240 */
491 dev->video_mode.alt = 2;
492 } else if (dev->width > 0) {
493 /* resolutions: 180,176,160,128,88 */
494 dev->video_mode.alt = 1;
495 } else {
496 /* Change to alt0 BULK to release USB bandwidth */
497 dev->video_mode.alt = 0;
498 }
499
500 if (dev->USE_ISO == 0)
501 dev->video_mode.alt = 0;
502
503 cx231xx_coredbg("dev->video_mode.alt= %d\n", dev->video_mode.alt);
504
505 /* Get the correct video interface Index */
506 usb_interface_index =
507 dev->current_pcb_config.hs_config_info[0].interface_info.
508 video_index + 1;
509
510 if (dev->video_mode.alt != prev_alt) {
511 cx231xx_coredbg("minimum isoc packet size: %u (alt=%d)\n",
512 min_pkt_size, dev->video_mode.alt);
513
514 if (dev->video_mode.alt_max_pkt_size != NULL)
515 dev->video_mode.max_pkt_size =
516 dev->video_mode.alt_max_pkt_size[dev->video_mode.alt];
517 cx231xx_coredbg("setting alternate %d with wMaxPacketSize=%u\n",
518 dev->video_mode.alt,
519 dev->video_mode.max_pkt_size);
520 errCode =
521 usb_set_interface(dev->udev, usb_interface_index,
522 dev->video_mode.alt);
523 if (errCode < 0) {
524 cx231xx_errdev
525 ("cannot change alt number to %d (error=%i)\n",
526 dev->video_mode.alt, errCode);
527 return errCode;
528 }
529 }
530 return 0;
531 }
532
533 int cx231xx_set_alt_setting(struct cx231xx *dev, u8 index, u8 alt)
534 {
535 int status = 0;
536 u32 usb_interface_index = 0;
537 u32 max_pkt_size = 0;
538
539 switch (index) {
540 case INDEX_TS1:
541 usb_interface_index =
542 dev->current_pcb_config.hs_config_info[0].interface_info.
543 ts1_index + 1;
544 dev->ts1_mode.alt = alt;
545 if (dev->ts1_mode.alt_max_pkt_size != NULL)
546 max_pkt_size = dev->ts1_mode.max_pkt_size =
547 dev->ts1_mode.alt_max_pkt_size[dev->ts1_mode.alt];
548 break;
549 case INDEX_TS2:
550 usb_interface_index =
551 dev->current_pcb_config.hs_config_info[0].interface_info.
552 ts2_index + 1;
553 break;
554 case INDEX_AUDIO:
555 usb_interface_index =
556 dev->current_pcb_config.hs_config_info[0].interface_info.
557 audio_index + 1;
558 dev->adev.alt = alt;
559 if (dev->adev.alt_max_pkt_size != NULL)
560 max_pkt_size = dev->adev.max_pkt_size =
561 dev->adev.alt_max_pkt_size[dev->adev.alt];
562 break;
563 case INDEX_VIDEO:
564 usb_interface_index =
565 dev->current_pcb_config.hs_config_info[0].interface_info.
566 video_index + 1;
567 dev->video_mode.alt = alt;
568 if (dev->video_mode.alt_max_pkt_size != NULL)
569 max_pkt_size = dev->video_mode.max_pkt_size =
570 dev->video_mode.alt_max_pkt_size[dev->video_mode.
571 alt];
572 break;
573 case INDEX_VANC:
574 usb_interface_index =
575 dev->current_pcb_config.hs_config_info[0].interface_info.
576 vanc_index + 1;
577 dev->vbi_mode.alt = alt;
578 if (dev->vbi_mode.alt_max_pkt_size != NULL)
579 max_pkt_size = dev->vbi_mode.max_pkt_size =
580 dev->vbi_mode.alt_max_pkt_size[dev->vbi_mode.alt];
581 break;
582 case INDEX_HANC:
583 usb_interface_index =
584 dev->current_pcb_config.hs_config_info[0].interface_info.
585 hanc_index + 1;
586 dev->sliced_cc_mode.alt = alt;
587 if (dev->sliced_cc_mode.alt_max_pkt_size != NULL)
588 max_pkt_size = dev->sliced_cc_mode.max_pkt_size =
589 dev->sliced_cc_mode.alt_max_pkt_size[dev->
590 sliced_cc_mode.
591 alt];
592 break;
593 default:
594 break;
595 }
596
597 if (alt > 0 && max_pkt_size == 0) {
598 cx231xx_errdev
599 ("can't change interface %d alt no. to %d: Max. Pkt size = 0\n",
600 usb_interface_index, alt);
601 /*To workaround error number=-71 on EP0 for videograbber,
602 need add following codes.*/
603 if (dev->model != CX231XX_BOARD_CNXT_VIDEO_GRABBER &&
604 dev->model != CX231XX_BOARD_HAUPPAUGE_USBLIVE2)
605 return -1;
606 }
607
608 cx231xx_coredbg("setting alternate %d with wMaxPacketSize=%u,"
609 "Interface = %d\n", alt, max_pkt_size,
610 usb_interface_index);
611
612 if (usb_interface_index > 0) {
613 status = usb_set_interface(dev->udev, usb_interface_index, alt);
614 if (status < 0) {
615 cx231xx_errdev
616 ("can't change interface %d alt no. to %d (err=%i)\n",
617 usb_interface_index, alt, status);
618 return status;
619 }
620 }
621
622 return status;
623 }
624 EXPORT_SYMBOL_GPL(cx231xx_set_alt_setting);
625
626 int cx231xx_gpio_set(struct cx231xx *dev, struct cx231xx_reg_seq *gpio)
627 {
628 int rc = 0;
629
630 if (!gpio)
631 return rc;
632
633 /* Send GPIO reset sequences specified at board entry */
634 while (gpio->sleep >= 0) {
635 rc = cx231xx_set_gpio_value(dev, gpio->bit, gpio->val);
636 if (rc < 0)
637 return rc;
638
639 if (gpio->sleep > 0)
640 msleep(gpio->sleep);
641
642 gpio++;
643 }
644 return rc;
645 }
646
647 int cx231xx_demod_reset(struct cx231xx *dev)
648 {
649
650 u8 status = 0;
651 u8 value[4] = { 0, 0, 0, 0 };
652
653 status = cx231xx_read_ctrl_reg(dev, VRT_GET_REGISTER, PWR_CTL_EN,
654 value, 4);
655
656 cx231xx_coredbg("reg0x%x=0x%x 0x%x 0x%x 0x%x\n", PWR_CTL_EN,
657 value[0], value[1], value[2], value[3]);
658
659 cx231xx_coredbg("Enter cx231xx_demod_reset()\n");
660
661 value[1] = (u8) 0x3;
662 status = cx231xx_write_ctrl_reg(dev, VRT_SET_REGISTER,
663 PWR_CTL_EN, value, 4);
664 msleep(10);
665
666 value[1] = (u8) 0x0;
667 status = cx231xx_write_ctrl_reg(dev, VRT_SET_REGISTER,
668 PWR_CTL_EN, value, 4);
669 msleep(10);
670
671 value[1] = (u8) 0x3;
672 status = cx231xx_write_ctrl_reg(dev, VRT_SET_REGISTER,
673 PWR_CTL_EN, value, 4);
674 msleep(10);
675
676
677
678 status = cx231xx_read_ctrl_reg(dev, VRT_GET_REGISTER, PWR_CTL_EN,
679 value, 4);
680
681 cx231xx_coredbg("reg0x%x=0x%x 0x%x 0x%x 0x%x\n", PWR_CTL_EN,
682 value[0], value[1], value[2], value[3]);
683
684 return status;
685 }
686 EXPORT_SYMBOL_GPL(cx231xx_demod_reset);
687 int is_fw_load(struct cx231xx *dev)
688 {
689 return cx231xx_check_fw(dev);
690 }
691 EXPORT_SYMBOL_GPL(is_fw_load);
692
693 int cx231xx_set_mode(struct cx231xx *dev, enum cx231xx_mode set_mode)
694 {
695 int errCode = 0;
696
697 if (dev->mode == set_mode)
698 return 0;
699
700 if (set_mode == CX231XX_SUSPEND) {
701 /* Set the chip in power saving mode */
702 dev->mode = set_mode;
703 }
704
705 /* Resource is locked */
706 if (dev->mode != CX231XX_SUSPEND)
707 return -EINVAL;
708
709 dev->mode = set_mode;
710
711 if (dev->mode == CX231XX_DIGITAL_MODE)/* Set Digital power mode */ {
712 /* set AGC mode to Digital */
713 switch (dev->model) {
714 case CX231XX_BOARD_CNXT_CARRAERA:
715 case CX231XX_BOARD_CNXT_RDE_250:
716 case CX231XX_BOARD_CNXT_SHELBY:
717 case CX231XX_BOARD_CNXT_RDU_250:
718 errCode = cx231xx_set_agc_analog_digital_mux_select(dev, 0);
719 break;
720 case CX231XX_BOARD_CNXT_RDE_253S:
721 case CX231XX_BOARD_CNXT_RDU_253S:
722 errCode = cx231xx_set_agc_analog_digital_mux_select(dev, 1);
723 break;
724 case CX231XX_BOARD_HAUPPAUGE_EXETER:
725 errCode = cx231xx_set_power_mode(dev,
726 POLARIS_AVMODE_DIGITAL);
727 break;
728 default:
729 break;
730 }
731 } else/* Set Analog Power mode */ {
732 /* set AGC mode to Analog */
733 switch (dev->model) {
734 case CX231XX_BOARD_CNXT_CARRAERA:
735 case CX231XX_BOARD_CNXT_RDE_250:
736 case CX231XX_BOARD_CNXT_SHELBY:
737 case CX231XX_BOARD_CNXT_RDU_250:
738 errCode = cx231xx_set_agc_analog_digital_mux_select(dev, 1);
739 break;
740 case CX231XX_BOARD_CNXT_RDE_253S:
741 case CX231XX_BOARD_CNXT_RDU_253S:
742 case CX231XX_BOARD_HAUPPAUGE_EXETER:
743 errCode = cx231xx_set_agc_analog_digital_mux_select(dev, 0);
744 break;
745 default:
746 break;
747 }
748 }
749
750 return 0;
751 }
752 EXPORT_SYMBOL_GPL(cx231xx_set_mode);
753
754 int cx231xx_ep5_bulkout(struct cx231xx *dev, u8 *firmware, u16 size)
755 {
756 int errCode = 0;
757 int actlen, ret = -ENOMEM;
758 u32 *buffer;
759
760 buffer = kzalloc(4096, GFP_KERNEL);
761 if (buffer == NULL) {
762 cx231xx_info("out of mem\n");
763 return -ENOMEM;
764 }
765 memcpy(&buffer[0], firmware, 4096);
766
767 ret = usb_bulk_msg(dev->udev, usb_sndbulkpipe(dev->udev, 5),
768 buffer, 4096, &actlen, 2000);
769
770 if (ret)
771 cx231xx_info("bulk message failed: %d (%d/%d)", ret,
772 size, actlen);
773 else {
774 errCode = actlen != size ? -1 : 0;
775 }
776 kfree(buffer);
777 return 0;
778 }
779
780 /*****************************************************************
781 * URB Streaming functions *
782 ******************************************************************/
783
784 /*
785 * IRQ callback, called by URB callback
786 */
787 static void cx231xx_isoc_irq_callback(struct urb *urb)
788 {
789 struct cx231xx_dmaqueue *dma_q = urb->context;
790 struct cx231xx_video_mode *vmode =
791 container_of(dma_q, struct cx231xx_video_mode, vidq);
792 struct cx231xx *dev = container_of(vmode, struct cx231xx, video_mode);
793 int rc, i;
794
795 switch (urb->status) {
796 case 0: /* success */
797 case -ETIMEDOUT: /* NAK */
798 break;
799 case -ECONNRESET: /* kill */
800 case -ENOENT:
801 case -ESHUTDOWN:
802 return;
803 default: /* error */
804 cx231xx_isocdbg("urb completition error %d.\n", urb->status);
805 break;
806 }
807
808 /* Copy data from URB */
809 spin_lock(&dev->video_mode.slock);
810 rc = dev->video_mode.isoc_ctl.isoc_copy(dev, urb);
811 spin_unlock(&dev->video_mode.slock);
812
813 /* Reset urb buffers */
814 for (i = 0; i < urb->number_of_packets; i++) {
815 urb->iso_frame_desc[i].status = 0;
816 urb->iso_frame_desc[i].actual_length = 0;
817 }
818 urb->status = 0;
819
820 urb->status = usb_submit_urb(urb, GFP_ATOMIC);
821 if (urb->status) {
822 cx231xx_isocdbg("urb resubmit failed (error=%i)\n",
823 urb->status);
824 }
825 }
826 /*****************************************************************
827 * URB Streaming functions *
828 ******************************************************************/
829
830 /*
831 * IRQ callback, called by URB callback
832 */
833 static void cx231xx_bulk_irq_callback(struct urb *urb)
834 {
835 struct cx231xx_dmaqueue *dma_q = urb->context;
836 struct cx231xx_video_mode *vmode =
837 container_of(dma_q, struct cx231xx_video_mode, vidq);
838 struct cx231xx *dev = container_of(vmode, struct cx231xx, video_mode);
839 int rc;
840
841 switch (urb->status) {
842 case 0: /* success */
843 case -ETIMEDOUT: /* NAK */
844 break;
845 case -ECONNRESET: /* kill */
846 case -ENOENT:
847 case -ESHUTDOWN:
848 return;
849 default: /* error */
850 cx231xx_isocdbg("urb completition error %d.\n", urb->status);
851 break;
852 }
853
854 /* Copy data from URB */
855 spin_lock(&dev->video_mode.slock);
856 rc = dev->video_mode.bulk_ctl.bulk_copy(dev, urb);
857 spin_unlock(&dev->video_mode.slock);
858
859 /* Reset urb buffers */
860 urb->status = 0;
861
862 urb->status = usb_submit_urb(urb, GFP_ATOMIC);
863 if (urb->status) {
864 cx231xx_isocdbg("urb resubmit failed (error=%i)\n",
865 urb->status);
866 }
867 }
868 /*
869 * Stop and Deallocate URBs
870 */
871 void cx231xx_uninit_isoc(struct cx231xx *dev)
872 {
873 struct cx231xx_dmaqueue *dma_q = &dev->video_mode.vidq;
874 struct urb *urb;
875 int i;
876
877 cx231xx_isocdbg("cx231xx: called cx231xx_uninit_isoc\n");
878
879 dev->video_mode.isoc_ctl.nfields = -1;
880 for (i = 0; i < dev->video_mode.isoc_ctl.num_bufs; i++) {
881 urb = dev->video_mode.isoc_ctl.urb[i];
882 if (urb) {
883 if (!irqs_disabled())
884 usb_kill_urb(urb);
885 else
886 usb_unlink_urb(urb);
887
888 if (dev->video_mode.isoc_ctl.transfer_buffer[i]) {
889 usb_free_coherent(dev->udev,
890 urb->transfer_buffer_length,
891 dev->video_mode.isoc_ctl.
892 transfer_buffer[i],
893 urb->transfer_dma);
894 }
895 usb_free_urb(urb);
896 dev->video_mode.isoc_ctl.urb[i] = NULL;
897 }
898 dev->video_mode.isoc_ctl.transfer_buffer[i] = NULL;
899 }
900
901 kfree(dev->video_mode.isoc_ctl.urb);
902 kfree(dev->video_mode.isoc_ctl.transfer_buffer);
903 kfree(dma_q->p_left_data);
904
905 dev->video_mode.isoc_ctl.urb = NULL;
906 dev->video_mode.isoc_ctl.transfer_buffer = NULL;
907 dev->video_mode.isoc_ctl.num_bufs = 0;
908 dma_q->p_left_data = NULL;
909
910 if (dev->mode_tv == 0)
911 cx231xx_capture_start(dev, 0, Raw_Video);
912 else
913 cx231xx_capture_start(dev, 0, TS1_serial_mode);
914
915
916 }
917 EXPORT_SYMBOL_GPL(cx231xx_uninit_isoc);
918
919 /*
920 * Stop and Deallocate URBs
921 */
922 void cx231xx_uninit_bulk(struct cx231xx *dev)
923 {
924 struct urb *urb;
925 int i;
926
927 cx231xx_isocdbg("cx231xx: called cx231xx_uninit_bulk\n");
928
929 dev->video_mode.bulk_ctl.nfields = -1;
930 for (i = 0; i < dev->video_mode.bulk_ctl.num_bufs; i++) {
931 urb = dev->video_mode.bulk_ctl.urb[i];
932 if (urb) {
933 if (!irqs_disabled())
934 usb_kill_urb(urb);
935 else
936 usb_unlink_urb(urb);
937
938 if (dev->video_mode.bulk_ctl.transfer_buffer[i]) {
939 usb_free_coherent(dev->udev,
940 urb->transfer_buffer_length,
941 dev->video_mode.isoc_ctl.
942 transfer_buffer[i],
943 urb->transfer_dma);
944 }
945 usb_free_urb(urb);
946 dev->video_mode.bulk_ctl.urb[i] = NULL;
947 }
948 dev->video_mode.bulk_ctl.transfer_buffer[i] = NULL;
949 }
950
951 kfree(dev->video_mode.bulk_ctl.urb);
952 kfree(dev->video_mode.bulk_ctl.transfer_buffer);
953
954 dev->video_mode.bulk_ctl.urb = NULL;
955 dev->video_mode.bulk_ctl.transfer_buffer = NULL;
956 dev->video_mode.bulk_ctl.num_bufs = 0;
957
958 if (dev->mode_tv == 0)
959 cx231xx_capture_start(dev, 0, Raw_Video);
960 else
961 cx231xx_capture_start(dev, 0, TS1_serial_mode);
962
963
964 }
965 EXPORT_SYMBOL_GPL(cx231xx_uninit_bulk);
966
967 /*
968 * Allocate URBs and start IRQ
969 */
970 int cx231xx_init_isoc(struct cx231xx *dev, int max_packets,
971 int num_bufs, int max_pkt_size,
972 int (*isoc_copy) (struct cx231xx *dev, struct urb *urb))
973 {
974 struct cx231xx_dmaqueue *dma_q = &dev->video_mode.vidq;
975 int i;
976 int sb_size, pipe;
977 struct urb *urb;
978 int j, k;
979 int rc;
980
981 /* De-allocates all pending stuff */
982 cx231xx_uninit_isoc(dev);
983
984 dma_q->p_left_data = kzalloc(4096, GFP_KERNEL);
985 if (dma_q->p_left_data == NULL) {
986 cx231xx_info("out of mem\n");
987 return -ENOMEM;
988 }
989
990
991
992 dev->video_mode.isoc_ctl.isoc_copy = isoc_copy;
993 dev->video_mode.isoc_ctl.num_bufs = num_bufs;
994 dma_q->pos = 0;
995 dma_q->is_partial_line = 0;
996 dma_q->last_sav = 0;
997 dma_q->current_field = -1;
998 dma_q->field1_done = 0;
999 dma_q->lines_per_field = dev->height / 2;
1000 dma_q->bytes_left_in_line = dev->width << 1;
1001 dma_q->lines_completed = 0;
1002 dma_q->mpeg_buffer_done = 0;
1003 dma_q->left_data_count = 0;
1004 dma_q->mpeg_buffer_completed = 0;
1005 dma_q->add_ps_package_head = CX231XX_NEED_ADD_PS_PACKAGE_HEAD;
1006 dma_q->ps_head[0] = 0x00;
1007 dma_q->ps_head[1] = 0x00;
1008 dma_q->ps_head[2] = 0x01;
1009 dma_q->ps_head[3] = 0xBA;
1010 for (i = 0; i < 8; i++)
1011 dma_q->partial_buf[i] = 0;
1012
1013 dev->video_mode.isoc_ctl.urb =
1014 kzalloc(sizeof(void *) * num_bufs, GFP_KERNEL);
1015 if (!dev->video_mode.isoc_ctl.urb) {
1016 cx231xx_errdev("cannot alloc memory for usb buffers\n");
1017 return -ENOMEM;
1018 }
1019
1020 dev->video_mode.isoc_ctl.transfer_buffer =
1021 kzalloc(sizeof(void *) * num_bufs, GFP_KERNEL);
1022 if (!dev->video_mode.isoc_ctl.transfer_buffer) {
1023 cx231xx_errdev("cannot allocate memory for usbtransfer\n");
1024 kfree(dev->video_mode.isoc_ctl.urb);
1025 return -ENOMEM;
1026 }
1027
1028 dev->video_mode.isoc_ctl.max_pkt_size = max_pkt_size;
1029 dev->video_mode.isoc_ctl.buf = NULL;
1030
1031 sb_size = max_packets * dev->video_mode.isoc_ctl.max_pkt_size;
1032
1033 if (dev->mode_tv == 1)
1034 dev->video_mode.end_point_addr = 0x81;
1035 else
1036 dev->video_mode.end_point_addr = 0x84;
1037
1038
1039 /* allocate urbs and transfer buffers */
1040 for (i = 0; i < dev->video_mode.isoc_ctl.num_bufs; i++) {
1041 urb = usb_alloc_urb(max_packets, GFP_KERNEL);
1042 if (!urb) {
1043 cx231xx_err("cannot alloc isoc_ctl.urb %i\n", i);
1044 cx231xx_uninit_isoc(dev);
1045 return -ENOMEM;
1046 }
1047 dev->video_mode.isoc_ctl.urb[i] = urb;
1048
1049 dev->video_mode.isoc_ctl.transfer_buffer[i] =
1050 usb_alloc_coherent(dev->udev, sb_size, GFP_KERNEL,
1051 &urb->transfer_dma);
1052 if (!dev->video_mode.isoc_ctl.transfer_buffer[i]) {
1053 cx231xx_err("unable to allocate %i bytes for transfer"
1054 " buffer %i%s\n",
1055 sb_size, i,
1056 in_interrupt() ? " while in int" : "");
1057 cx231xx_uninit_isoc(dev);
1058 return -ENOMEM;
1059 }
1060 memset(dev->video_mode.isoc_ctl.transfer_buffer[i], 0, sb_size);
1061
1062 pipe =
1063 usb_rcvisocpipe(dev->udev, dev->video_mode.end_point_addr);
1064
1065 usb_fill_int_urb(urb, dev->udev, pipe,
1066 dev->video_mode.isoc_ctl.transfer_buffer[i],
1067 sb_size, cx231xx_isoc_irq_callback, dma_q, 1);
1068
1069 urb->number_of_packets = max_packets;
1070 urb->transfer_flags = URB_ISO_ASAP;
1071
1072 k = 0;
1073 for (j = 0; j < max_packets; j++) {
1074 urb->iso_frame_desc[j].offset = k;
1075 urb->iso_frame_desc[j].length =
1076 dev->video_mode.isoc_ctl.max_pkt_size;
1077 k += dev->video_mode.isoc_ctl.max_pkt_size;
1078 }
1079 }
1080
1081 init_waitqueue_head(&dma_q->wq);
1082
1083 /* submit urbs and enables IRQ */
1084 for (i = 0; i < dev->video_mode.isoc_ctl.num_bufs; i++) {
1085 rc = usb_submit_urb(dev->video_mode.isoc_ctl.urb[i],
1086 GFP_ATOMIC);
1087 if (rc) {
1088 cx231xx_err("submit of urb %i failed (error=%i)\n", i,
1089 rc);
1090 cx231xx_uninit_isoc(dev);
1091 return rc;
1092 }
1093 }
1094
1095 if (dev->mode_tv == 0)
1096 cx231xx_capture_start(dev, 1, Raw_Video);
1097 else
1098 cx231xx_capture_start(dev, 1, TS1_serial_mode);
1099
1100 return 0;
1101 }
1102 EXPORT_SYMBOL_GPL(cx231xx_init_isoc);
1103
1104 /*
1105 * Allocate URBs and start IRQ
1106 */
1107 int cx231xx_init_bulk(struct cx231xx *dev, int max_packets,
1108 int num_bufs, int max_pkt_size,
1109 int (*bulk_copy) (struct cx231xx *dev, struct urb *urb))
1110 {
1111 struct cx231xx_dmaqueue *dma_q = &dev->video_mode.vidq;
1112 int i;
1113 int sb_size, pipe;
1114 struct urb *urb;
1115 int rc;
1116
1117 dev->video_input = dev->video_input > 2 ? 2 : dev->video_input;
1118
1119 cx231xx_coredbg("Setting Video mux to %d\n", dev->video_input);
1120
1121 video_mux(dev, dev->video_input);
1122
1123 /* De-allocates all pending stuff */
1124 cx231xx_uninit_bulk(dev);
1125
1126 dev->video_mode.bulk_ctl.bulk_copy = bulk_copy;
1127 dev->video_mode.bulk_ctl.num_bufs = num_bufs;
1128 dma_q->pos = 0;
1129 dma_q->is_partial_line = 0;
1130 dma_q->last_sav = 0;
1131 dma_q->current_field = -1;
1132 dma_q->field1_done = 0;
1133 dma_q->lines_per_field = dev->height / 2;
1134 dma_q->bytes_left_in_line = dev->width << 1;
1135 dma_q->lines_completed = 0;
1136 dma_q->mpeg_buffer_done = 0;
1137 dma_q->left_data_count = 0;
1138 dma_q->mpeg_buffer_completed = 0;
1139 dma_q->ps_head[0] = 0x00;
1140 dma_q->ps_head[1] = 0x00;
1141 dma_q->ps_head[2] = 0x01;
1142 dma_q->ps_head[3] = 0xBA;
1143 for (i = 0; i < 8; i++)
1144 dma_q->partial_buf[i] = 0;
1145
1146 dev->video_mode.bulk_ctl.urb =
1147 kzalloc(sizeof(void *) * num_bufs, GFP_KERNEL);
1148 if (!dev->video_mode.bulk_ctl.urb) {
1149 cx231xx_errdev("cannot alloc memory for usb buffers\n");
1150 return -ENOMEM;
1151 }
1152
1153 dev->video_mode.bulk_ctl.transfer_buffer =
1154 kzalloc(sizeof(void *) * num_bufs, GFP_KERNEL);
1155 if (!dev->video_mode.bulk_ctl.transfer_buffer) {
1156 cx231xx_errdev("cannot allocate memory for usbtransfer\n");
1157 kfree(dev->video_mode.bulk_ctl.urb);
1158 return -ENOMEM;
1159 }
1160
1161 dev->video_mode.bulk_ctl.max_pkt_size = max_pkt_size;
1162 dev->video_mode.bulk_ctl.buf = NULL;
1163
1164 sb_size = max_packets * dev->video_mode.bulk_ctl.max_pkt_size;
1165
1166 if (dev->mode_tv == 1)
1167 dev->video_mode.end_point_addr = 0x81;
1168 else
1169 dev->video_mode.end_point_addr = 0x84;
1170
1171
1172 /* allocate urbs and transfer buffers */
1173 for (i = 0; i < dev->video_mode.bulk_ctl.num_bufs; i++) {
1174 urb = usb_alloc_urb(0, GFP_KERNEL);
1175 if (!urb) {
1176 cx231xx_err("cannot alloc bulk_ctl.urb %i\n", i);
1177 cx231xx_uninit_bulk(dev);
1178 return -ENOMEM;
1179 }
1180 dev->video_mode.bulk_ctl.urb[i] = urb;
1181 urb->transfer_flags = 0;
1182
1183 dev->video_mode.bulk_ctl.transfer_buffer[i] =
1184 usb_alloc_coherent(dev->udev, sb_size, GFP_KERNEL,
1185 &urb->transfer_dma);
1186 if (!dev->video_mode.bulk_ctl.transfer_buffer[i]) {
1187 cx231xx_err("unable to allocate %i bytes for transfer"
1188 " buffer %i%s\n",
1189 sb_size, i,
1190 in_interrupt() ? " while in int" : "");
1191 cx231xx_uninit_bulk(dev);
1192 return -ENOMEM;
1193 }
1194 memset(dev->video_mode.bulk_ctl.transfer_buffer[i], 0, sb_size);
1195
1196 pipe = usb_rcvbulkpipe(dev->udev,
1197 dev->video_mode.end_point_addr);
1198 usb_fill_bulk_urb(urb, dev->udev, pipe,
1199 dev->video_mode.bulk_ctl.transfer_buffer[i],
1200 sb_size, cx231xx_bulk_irq_callback, dma_q);
1201 }
1202
1203 init_waitqueue_head(&dma_q->wq);
1204
1205 /* submit urbs and enables IRQ */
1206 for (i = 0; i < dev->video_mode.bulk_ctl.num_bufs; i++) {
1207 rc = usb_submit_urb(dev->video_mode.bulk_ctl.urb[i],
1208 GFP_ATOMIC);
1209 if (rc) {
1210 cx231xx_err("submit of urb %i failed (error=%i)\n", i,
1211 rc);
1212 cx231xx_uninit_bulk(dev);
1213 return rc;
1214 }
1215 }
1216
1217 if (dev->mode_tv == 0)
1218 cx231xx_capture_start(dev, 1, Raw_Video);
1219 else
1220 cx231xx_capture_start(dev, 1, TS1_serial_mode);
1221
1222 return 0;
1223 }
1224 EXPORT_SYMBOL_GPL(cx231xx_init_bulk);
1225 void cx231xx_stop_TS1(struct cx231xx *dev)
1226 {
1227 int status = 0;
1228 u8 val[4] = { 0, 0, 0, 0 };
1229
1230 val[0] = 0x00;
1231 val[1] = 0x03;
1232 val[2] = 0x00;
1233 val[3] = 0x00;
1234 status = cx231xx_write_ctrl_reg(dev, VRT_SET_REGISTER,
1235 TS_MODE_REG, val, 4);
1236
1237 val[0] = 0x00;
1238 val[1] = 0x70;
1239 val[2] = 0x04;
1240 val[3] = 0x00;
1241 status = cx231xx_write_ctrl_reg(dev, VRT_SET_REGISTER,
1242 TS1_CFG_REG, val, 4);
1243 }
1244 /* EXPORT_SYMBOL_GPL(cx231xx_stop_TS1); */
1245 void cx231xx_start_TS1(struct cx231xx *dev)
1246 {
1247 int status = 0;
1248 u8 val[4] = { 0, 0, 0, 0 };
1249
1250 val[0] = 0x03;
1251 val[1] = 0x03;
1252 val[2] = 0x00;
1253 val[3] = 0x00;
1254 status = cx231xx_write_ctrl_reg(dev, VRT_SET_REGISTER,
1255 TS_MODE_REG, val, 4);
1256
1257 val[0] = 0x04;
1258 val[1] = 0xA3;
1259 val[2] = 0x3B;
1260 val[3] = 0x00;
1261 status = cx231xx_write_ctrl_reg(dev, VRT_SET_REGISTER,
1262 TS1_CFG_REG, val, 4);
1263 }
1264 /* EXPORT_SYMBOL_GPL(cx231xx_start_TS1); */
1265 /*****************************************************************
1266 * Device Init/UnInit functions *
1267 ******************************************************************/
1268 int cx231xx_dev_init(struct cx231xx *dev)
1269 {
1270 int errCode = 0;
1271
1272 /* Initialize I2C bus */
1273
1274 /* External Master 1 Bus */
1275 dev->i2c_bus[0].nr = 0;
1276 dev->i2c_bus[0].dev = dev;
1277 dev->i2c_bus[0].i2c_period = I2C_SPEED_100K; /* 100 KHz */
1278 dev->i2c_bus[0].i2c_nostop = 0;
1279 dev->i2c_bus[0].i2c_reserve = 0;
1280
1281 /* External Master 2 Bus */
1282 dev->i2c_bus[1].nr = 1;
1283 dev->i2c_bus[1].dev = dev;
1284 dev->i2c_bus[1].i2c_period = I2C_SPEED_100K; /* 100 KHz */
1285 dev->i2c_bus[1].i2c_nostop = 0;
1286 dev->i2c_bus[1].i2c_reserve = 0;
1287
1288 /* Internal Master 3 Bus */
1289 dev->i2c_bus[2].nr = 2;
1290 dev->i2c_bus[2].dev = dev;
1291 dev->i2c_bus[2].i2c_period = I2C_SPEED_400K; /* 400kHz */
1292 dev->i2c_bus[2].i2c_nostop = 0;
1293 dev->i2c_bus[2].i2c_reserve = 0;
1294
1295 /* register I2C buses */
1296 cx231xx_i2c_register(&dev->i2c_bus[0]);
1297 cx231xx_i2c_register(&dev->i2c_bus[1]);
1298 cx231xx_i2c_register(&dev->i2c_bus[2]);
1299
1300 /* init hardware */
1301 /* Note : with out calling set power mode function,
1302 afe can not be set up correctly */
1303 if (dev->model == CX231XX_BOARD_CNXT_VIDEO_GRABBER ||
1304 dev->model == CX231XX_BOARD_HAUPPAUGE_USBLIVE2) {
1305 errCode = cx231xx_set_power_mode(dev,
1306 POLARIS_AVMODE_ENXTERNAL_AV);
1307 if (errCode < 0) {
1308 cx231xx_errdev
1309 ("%s: Failed to set Power - errCode [%d]!\n",
1310 __func__, errCode);
1311 return errCode;
1312 }
1313 } else {
1314 errCode = cx231xx_set_power_mode(dev,
1315 POLARIS_AVMODE_ANALOGT_TV);
1316 if (errCode < 0) {
1317 cx231xx_errdev
1318 ("%s: Failed to set Power - errCode [%d]!\n",
1319 __func__, errCode);
1320 return errCode;
1321 }
1322 }
1323
1324 /* reset the Tuner */
1325 if ((dev->model == CX231XX_BOARD_CNXT_CARRAERA) ||
1326 (dev->model == CX231XX_BOARD_CNXT_RDE_250) ||
1327 (dev->model == CX231XX_BOARD_CNXT_SHELBY) ||
1328 (dev->model == CX231XX_BOARD_CNXT_RDU_250))
1329 cx231xx_gpio_set(dev, dev->board.tuner_gpio);
1330
1331 /* initialize Colibri block */
1332 errCode = cx231xx_afe_init_super_block(dev, 0x23c);
1333 if (errCode < 0) {
1334 cx231xx_errdev
1335 ("%s: cx231xx_afe init super block - errCode [%d]!\n",
1336 __func__, errCode);
1337 return errCode;
1338 }
1339 errCode = cx231xx_afe_init_channels(dev);
1340 if (errCode < 0) {
1341 cx231xx_errdev
1342 ("%s: cx231xx_afe init channels - errCode [%d]!\n",
1343 __func__, errCode);
1344 return errCode;
1345 }
1346
1347 /* Set DIF in By pass mode */
1348 errCode = cx231xx_dif_set_standard(dev, DIF_USE_BASEBAND);
1349 if (errCode < 0) {
1350 cx231xx_errdev
1351 ("%s: cx231xx_dif set to By pass mode - errCode [%d]!\n",
1352 __func__, errCode);
1353 return errCode;
1354 }
1355
1356 /* I2S block related functions */
1357 errCode = cx231xx_i2s_blk_initialize(dev);
1358 if (errCode < 0) {
1359 cx231xx_errdev
1360 ("%s: cx231xx_i2s block initialize - errCode [%d]!\n",
1361 __func__, errCode);
1362 return errCode;
1363 }
1364
1365 /* init control pins */
1366 errCode = cx231xx_init_ctrl_pin_status(dev);
1367 if (errCode < 0) {
1368 cx231xx_errdev("%s: cx231xx_init ctrl pins - errCode [%d]!\n",
1369 __func__, errCode);
1370 return errCode;
1371 }
1372
1373 /* set AGC mode to Analog */
1374 switch (dev->model) {
1375 case CX231XX_BOARD_CNXT_CARRAERA:
1376 case CX231XX_BOARD_CNXT_RDE_250:
1377 case CX231XX_BOARD_CNXT_SHELBY:
1378 case CX231XX_BOARD_CNXT_RDU_250:
1379 errCode = cx231xx_set_agc_analog_digital_mux_select(dev, 1);
1380 break;
1381 case CX231XX_BOARD_CNXT_RDE_253S:
1382 case CX231XX_BOARD_CNXT_RDU_253S:
1383 case CX231XX_BOARD_HAUPPAUGE_EXETER:
1384 errCode = cx231xx_set_agc_analog_digital_mux_select(dev, 0);
1385 break;
1386 default:
1387 break;
1388 }
1389 if (errCode < 0) {
1390 cx231xx_errdev
1391 ("%s: cx231xx_AGC mode to Analog - errCode [%d]!\n",
1392 __func__, errCode);
1393 return errCode;
1394 }
1395
1396 /* set all alternate settings to zero initially */
1397 cx231xx_set_alt_setting(dev, INDEX_VIDEO, 0);
1398 cx231xx_set_alt_setting(dev, INDEX_VANC, 0);
1399 cx231xx_set_alt_setting(dev, INDEX_HANC, 0);
1400 if (dev->board.has_dvb)
1401 cx231xx_set_alt_setting(dev, INDEX_TS1, 0);
1402
1403 /* set the I2C master port to 3 on channel 1 */
1404 errCode = cx231xx_enable_i2c_port_3(dev, true);
1405
1406 return errCode;
1407 }
1408 EXPORT_SYMBOL_GPL(cx231xx_dev_init);
1409
1410 void cx231xx_dev_uninit(struct cx231xx *dev)
1411 {
1412 /* Un Initialize I2C bus */
1413 cx231xx_i2c_unregister(&dev->i2c_bus[2]);
1414 cx231xx_i2c_unregister(&dev->i2c_bus[1]);
1415 cx231xx_i2c_unregister(&dev->i2c_bus[0]);
1416 }
1417 EXPORT_SYMBOL_GPL(cx231xx_dev_uninit);
1418
1419 /*****************************************************************
1420 * G P I O related functions *
1421 ******************************************************************/
1422 int cx231xx_send_gpio_cmd(struct cx231xx *dev, u32 gpio_bit, u8 *gpio_val,
1423 u8 len, u8 request, u8 direction)
1424 {
1425 int status = 0;
1426 struct VENDOR_REQUEST_IN ven_req;
1427
1428 /* Set wValue */
1429 ven_req.wValue = (u16) (gpio_bit >> 16 & 0xffff);
1430
1431 /* set request */
1432 if (!request) {
1433 if (direction)
1434 ven_req.bRequest = VRT_GET_GPIO; /* 0x8 gpio */
1435 else
1436 ven_req.bRequest = VRT_SET_GPIO; /* 0x9 gpio */
1437 } else {
1438 if (direction)
1439 ven_req.bRequest = VRT_GET_GPIE; /* 0xa gpie */
1440 else
1441 ven_req.bRequest = VRT_SET_GPIE; /* 0xb gpie */
1442 }
1443
1444 /* set index value */
1445 ven_req.wIndex = (u16) (gpio_bit & 0xffff);
1446
1447 /* set wLength value */
1448 ven_req.wLength = len;
1449
1450 /* set bData value */
1451 ven_req.bData = 0;
1452
1453 /* set the buffer for read / write */
1454 ven_req.pBuff = gpio_val;
1455
1456 /* set the direction */
1457 if (direction) {
1458 ven_req.direction = USB_DIR_IN;
1459 memset(ven_req.pBuff, 0x00, ven_req.wLength);
1460 } else
1461 ven_req.direction = USB_DIR_OUT;
1462
1463
1464 /* call common vendor command request */
1465 status = cx231xx_send_vendor_cmd(dev, &ven_req);
1466 if (status < 0) {
1467 cx231xx_info
1468 ("UsbInterface::sendCommand, failed with status -%d\n",
1469 status);
1470 }
1471
1472 return status;
1473 }
1474 EXPORT_SYMBOL_GPL(cx231xx_send_gpio_cmd);
1475
1476 /*****************************************************************
1477 * C O N T R O L - Register R E A D / W R I T E functions *
1478 *****************************************************************/
1479 int cx231xx_mode_register(struct cx231xx *dev, u16 address, u32 mode)
1480 {
1481 u8 value[4] = { 0x0, 0x0, 0x0, 0x0 };
1482 u32 tmp = 0;
1483 int status = 0;
1484
1485 status =
1486 cx231xx_read_ctrl_reg(dev, VRT_GET_REGISTER, address, value, 4);
1487 if (status < 0)
1488 return status;
1489
1490 tmp = *((u32 *) value);
1491 tmp |= mode;
1492
1493 value[0] = (u8) tmp;
1494 value[1] = (u8) (tmp >> 8);
1495 value[2] = (u8) (tmp >> 16);
1496 value[3] = (u8) (tmp >> 24);
1497
1498 status =
1499 cx231xx_write_ctrl_reg(dev, VRT_SET_REGISTER, address, value, 4);
1500
1501 return status;
1502 }
1503
1504 /*****************************************************************
1505 * I 2 C Internal C O N T R O L functions *
1506 *****************************************************************/
1507 int cx231xx_read_i2c_master(struct cx231xx *dev, u8 dev_addr, u16 saddr,
1508 u8 saddr_len, u32 *data, u8 data_len, int master)
1509 {
1510 int status = 0;
1511 struct cx231xx_i2c_xfer_data req_data;
1512 u8 value[64] = "0";
1513
1514 if (saddr_len == 0)
1515 saddr = 0;
1516 else if (saddr_len == 0)
1517 saddr &= 0xff;
1518
1519 /* prepare xfer_data struct */
1520 req_data.dev_addr = dev_addr >> 1;
1521 req_data.direction = I2C_M_RD;
1522 req_data.saddr_len = saddr_len;
1523 req_data.saddr_dat = saddr;
1524 req_data.buf_size = data_len;
1525 req_data.p_buffer = (u8 *) value;
1526
1527 /* usb send command */
1528 if (master == 0)
1529 status = dev->cx231xx_send_usb_command(&dev->i2c_bus[0],
1530 &req_data);
1531 else if (master == 1)
1532 status = dev->cx231xx_send_usb_command(&dev->i2c_bus[1],
1533 &req_data);
1534 else if (master == 2)
1535 status = dev->cx231xx_send_usb_command(&dev->i2c_bus[2],
1536 &req_data);
1537
1538 if (status >= 0) {
1539 /* Copy the data read back to main buffer */
1540 if (data_len == 1)
1541 *data = value[0];
1542 else if (data_len == 4)
1543 *data =
1544 value[0] | value[1] << 8 | value[2] << 16 | value[3]
1545 << 24;
1546 else if (data_len > 4)
1547 *data = value[saddr];
1548 }
1549
1550 return status;
1551 }
1552
1553 int cx231xx_write_i2c_master(struct cx231xx *dev, u8 dev_addr, u16 saddr,
1554 u8 saddr_len, u32 data, u8 data_len, int master)
1555 {
1556 int status = 0;
1557 u8 value[4] = { 0, 0, 0, 0 };
1558 struct cx231xx_i2c_xfer_data req_data;
1559
1560 value[0] = (u8) data;
1561 value[1] = (u8) (data >> 8);
1562 value[2] = (u8) (data >> 16);
1563 value[3] = (u8) (data >> 24);
1564
1565 if (saddr_len == 0)
1566 saddr = 0;
1567 else if (saddr_len == 0)
1568 saddr &= 0xff;
1569
1570 /* prepare xfer_data struct */
1571 req_data.dev_addr = dev_addr >> 1;
1572 req_data.direction = 0;
1573 req_data.saddr_len = saddr_len;
1574 req_data.saddr_dat = saddr;
1575 req_data.buf_size = data_len;
1576 req_data.p_buffer = value;
1577
1578 /* usb send command */
1579 if (master == 0)
1580 status = dev->cx231xx_send_usb_command(&dev->i2c_bus[0],
1581 &req_data);
1582 else if (master == 1)
1583 status = dev->cx231xx_send_usb_command(&dev->i2c_bus[1],
1584 &req_data);
1585 else if (master == 2)
1586 status = dev->cx231xx_send_usb_command(&dev->i2c_bus[2],
1587 &req_data);
1588
1589 return status;
1590 }
1591
1592 int cx231xx_read_i2c_data(struct cx231xx *dev, u8 dev_addr, u16 saddr,
1593 u8 saddr_len, u32 *data, u8 data_len)
1594 {
1595 int status = 0;
1596 struct cx231xx_i2c_xfer_data req_data;
1597 u8 value[4] = { 0, 0, 0, 0 };
1598
1599 if (saddr_len == 0)
1600 saddr = 0;
1601 else if (saddr_len == 0)
1602 saddr &= 0xff;
1603
1604 /* prepare xfer_data struct */
1605 req_data.dev_addr = dev_addr >> 1;
1606 req_data.direction = I2C_M_RD;
1607 req_data.saddr_len = saddr_len;
1608 req_data.saddr_dat = saddr;
1609 req_data.buf_size = data_len;
1610 req_data.p_buffer = (u8 *) value;
1611
1612 /* usb send command */
1613 status = dev->cx231xx_send_usb_command(&dev->i2c_bus[0], &req_data);
1614
1615 if (status >= 0) {
1616 /* Copy the data read back to main buffer */
1617 if (data_len == 1)
1618 *data = value[0];
1619 else
1620 *data =
1621 value[0] | value[1] << 8 | value[2] << 16 | value[3]
1622 << 24;
1623 }
1624
1625 return status;
1626 }
1627
1628 int cx231xx_write_i2c_data(struct cx231xx *dev, u8 dev_addr, u16 saddr,
1629 u8 saddr_len, u32 data, u8 data_len)
1630 {
1631 int status = 0;
1632 u8 value[4] = { 0, 0, 0, 0 };
1633 struct cx231xx_i2c_xfer_data req_data;
1634
1635 value[0] = (u8) data;
1636 value[1] = (u8) (data >> 8);
1637 value[2] = (u8) (data >> 16);
1638 value[3] = (u8) (data >> 24);
1639
1640 if (saddr_len == 0)
1641 saddr = 0;
1642 else if (saddr_len == 0)
1643 saddr &= 0xff;
1644
1645 /* prepare xfer_data struct */
1646 req_data.dev_addr = dev_addr >> 1;
1647 req_data.direction = 0;
1648 req_data.saddr_len = saddr_len;
1649 req_data.saddr_dat = saddr;
1650 req_data.buf_size = data_len;
1651 req_data.p_buffer = value;
1652
1653 /* usb send command */
1654 status = dev->cx231xx_send_usb_command(&dev->i2c_bus[0], &req_data);
1655
1656 return status;
1657 }
1658
1659 int cx231xx_reg_mask_write(struct cx231xx *dev, u8 dev_addr, u8 size,
1660 u16 register_address, u8 bit_start, u8 bit_end,
1661 u32 value)
1662 {
1663 int status = 0;
1664 u32 tmp;
1665 u32 mask = 0;
1666 int i;
1667
1668 if (bit_start > (size - 1) || bit_end > (size - 1))
1669 return -1;
1670
1671 if (size == 8) {
1672 status =
1673 cx231xx_read_i2c_data(dev, dev_addr, register_address, 2,
1674 &tmp, 1);
1675 } else {
1676 status =
1677 cx231xx_read_i2c_data(dev, dev_addr, register_address, 2,
1678 &tmp, 4);
1679 }
1680
1681 if (status < 0)
1682 return status;
1683
1684 mask = 1 << bit_end;
1685 for (i = bit_end; i > bit_start && i > 0; i--)
1686 mask = mask + (1 << (i - 1));
1687
1688 value <<= bit_start;
1689
1690 if (size == 8) {
1691 tmp &= ~mask;
1692 tmp |= value;
1693 tmp &= 0xff;
1694 status =
1695 cx231xx_write_i2c_data(dev, dev_addr, register_address, 2,
1696 tmp, 1);
1697 } else {
1698 tmp &= ~mask;
1699 tmp |= value;
1700 status =
1701 cx231xx_write_i2c_data(dev, dev_addr, register_address, 2,
1702 tmp, 4);
1703 }
1704
1705 return status;
1706 }
1707
1708 int cx231xx_read_modify_write_i2c_dword(struct cx231xx *dev, u8 dev_addr,
1709 u16 saddr, u32 mask, u32 value)
1710 {
1711 u32 temp;
1712 int status = 0;
1713
1714 status = cx231xx_read_i2c_data(dev, dev_addr, saddr, 2, &temp, 4);
1715
1716 if (status < 0)
1717 return status;
1718
1719 temp &= ~mask;
1720 temp |= value;
1721
1722 status = cx231xx_write_i2c_data(dev, dev_addr, saddr, 2, temp, 4);
1723
1724 return status;
1725 }
1726
1727 u32 cx231xx_set_field(u32 field_mask, u32 data)
1728 {
1729 u32 temp;
1730
1731 for (temp = field_mask; (temp & 1) == 0; temp >>= 1)
1732 data <<= 1;
1733
1734 return data;
1735 }
Linux with added FPC-III support