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sfc: Don't use enums as a bitmask.
[zen-stable.git] / drivers / media / video / cx231xx / cx231xx-core.c
blobabe500feb7dd8adad785380eaa1a86ad4b5d5440
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 if (dev->board.no_alt_vanc)
575 return 0;
576 usb_interface_index =
577 dev->current_pcb_config.hs_config_info[0].interface_info.
578 vanc_index + 1;
579 dev->vbi_mode.alt = alt;
580 if (dev->vbi_mode.alt_max_pkt_size != NULL)
581 max_pkt_size = dev->vbi_mode.max_pkt_size =
582 dev->vbi_mode.alt_max_pkt_size[dev->vbi_mode.alt];
583 break;
584 case INDEX_HANC:
585 usb_interface_index =
586 dev->current_pcb_config.hs_config_info[0].interface_info.
587 hanc_index + 1;
588 dev->sliced_cc_mode.alt = alt;
589 if (dev->sliced_cc_mode.alt_max_pkt_size != NULL)
590 max_pkt_size = dev->sliced_cc_mode.max_pkt_size =
591 dev->sliced_cc_mode.alt_max_pkt_size[dev->
592 sliced_cc_mode.
593 alt];
594 break;
595 default:
596 break;
597 }
598
599 if (alt > 0 && max_pkt_size == 0) {
600 cx231xx_errdev
601 ("can't change interface %d alt no. to %d: Max. Pkt size = 0\n",
602 usb_interface_index, alt);
603 /*To workaround error number=-71 on EP0 for videograbber,
604 need add following codes.*/
605 if (dev->board.no_alt_vanc)
606 return -1;
607 }
608
609 cx231xx_coredbg("setting alternate %d with wMaxPacketSize=%u,"
610 "Interface = %d\n", alt, max_pkt_size,
611 usb_interface_index);
612
613 if (usb_interface_index > 0) {
614 status = usb_set_interface(dev->udev, usb_interface_index, alt);
615 if (status < 0) {
616 cx231xx_errdev
617 ("can't change interface %d alt no. to %d (err=%i)\n",
618 usb_interface_index, alt, status);
619 return status;
620 }
621 }
622
623 return status;
624 }
625 EXPORT_SYMBOL_GPL(cx231xx_set_alt_setting);
626
627 int cx231xx_gpio_set(struct cx231xx *dev, struct cx231xx_reg_seq *gpio)
628 {
629 int rc = 0;
630
631 if (!gpio)
632 return rc;
633
634 /* Send GPIO reset sequences specified at board entry */
635 while (gpio->sleep >= 0) {
636 rc = cx231xx_set_gpio_value(dev, gpio->bit, gpio->val);
637 if (rc < 0)
638 return rc;
639
640 if (gpio->sleep > 0)
641 msleep(gpio->sleep);
642
643 gpio++;
644 }
645 return rc;
646 }
647
648 int cx231xx_demod_reset(struct cx231xx *dev)
649 {
650
651 u8 status = 0;
652 u8 value[4] = { 0, 0, 0, 0 };
653
654 status = cx231xx_read_ctrl_reg(dev, VRT_GET_REGISTER, PWR_CTL_EN,
655 value, 4);
656
657 cx231xx_coredbg("reg0x%x=0x%x 0x%x 0x%x 0x%x\n", PWR_CTL_EN,
658 value[0], value[1], value[2], value[3]);
659
660 cx231xx_coredbg("Enter cx231xx_demod_reset()\n");
661
662 value[1] = (u8) 0x3;
663 status = cx231xx_write_ctrl_reg(dev, VRT_SET_REGISTER,
664 PWR_CTL_EN, value, 4);
665 msleep(10);
666
667 value[1] = (u8) 0x0;
668 status = cx231xx_write_ctrl_reg(dev, VRT_SET_REGISTER,
669 PWR_CTL_EN, value, 4);
670 msleep(10);
671
672 value[1] = (u8) 0x3;
673 status = cx231xx_write_ctrl_reg(dev, VRT_SET_REGISTER,
674 PWR_CTL_EN, value, 4);
675 msleep(10);
676
677
678
679 status = cx231xx_read_ctrl_reg(dev, VRT_GET_REGISTER, PWR_CTL_EN,
680 value, 4);
681
682 cx231xx_coredbg("reg0x%x=0x%x 0x%x 0x%x 0x%x\n", PWR_CTL_EN,
683 value[0], value[1], value[2], value[3]);
684
685 return status;
686 }
687 EXPORT_SYMBOL_GPL(cx231xx_demod_reset);
688 int is_fw_load(struct cx231xx *dev)
689 {
690 return cx231xx_check_fw(dev);
691 }
692 EXPORT_SYMBOL_GPL(is_fw_load);
693
694 int cx231xx_set_mode(struct cx231xx *dev, enum cx231xx_mode set_mode)
695 {
696 int errCode = 0;
697
698 if (dev->mode == set_mode)
699 return 0;
700
701 if (set_mode == CX231XX_SUSPEND) {
702 /* Set the chip in power saving mode */
703 dev->mode = set_mode;
704 }
705
706 /* Resource is locked */
707 if (dev->mode != CX231XX_SUSPEND)
708 return -EINVAL;
709
710 dev->mode = set_mode;
711
712 if (dev->mode == CX231XX_DIGITAL_MODE)/* Set Digital power mode */ {
713 /* set AGC mode to Digital */
714 switch (dev->model) {
715 case CX231XX_BOARD_CNXT_CARRAERA:
716 case CX231XX_BOARD_CNXT_RDE_250:
717 case CX231XX_BOARD_CNXT_SHELBY:
718 case CX231XX_BOARD_CNXT_RDU_250:
719 errCode = cx231xx_set_agc_analog_digital_mux_select(dev, 0);
720 break;
721 case CX231XX_BOARD_CNXT_RDE_253S:
722 case CX231XX_BOARD_CNXT_RDU_253S:
723 errCode = cx231xx_set_agc_analog_digital_mux_select(dev, 1);
724 break;
725 case CX231XX_BOARD_HAUPPAUGE_EXETER:
726 errCode = cx231xx_set_power_mode(dev,
727 POLARIS_AVMODE_DIGITAL);
728 break;
729 default:
730 break;
731 }
732 } else/* Set Analog Power mode */ {
733 /* set AGC mode to Analog */
734 switch (dev->model) {
735 case CX231XX_BOARD_CNXT_CARRAERA:
736 case CX231XX_BOARD_CNXT_RDE_250:
737 case CX231XX_BOARD_CNXT_SHELBY:
738 case CX231XX_BOARD_CNXT_RDU_250:
739 errCode = cx231xx_set_agc_analog_digital_mux_select(dev, 1);
740 break;
741 case CX231XX_BOARD_CNXT_RDE_253S:
742 case CX231XX_BOARD_CNXT_RDU_253S:
743 case CX231XX_BOARD_HAUPPAUGE_EXETER:
744 case CX231XX_BOARD_PV_PLAYTV_USB_HYBRID:
745 errCode = cx231xx_set_agc_analog_digital_mux_select(dev, 0);
746 break;
747 default:
748 break;
749 }
750 }
751
752 return 0;
753 }
754 EXPORT_SYMBOL_GPL(cx231xx_set_mode);
755
756 int cx231xx_ep5_bulkout(struct cx231xx *dev, u8 *firmware, u16 size)
757 {
758 int errCode = 0;
759 int actlen, ret = -ENOMEM;
760 u32 *buffer;
761
762 buffer = kzalloc(4096, GFP_KERNEL);
763 if (buffer == NULL) {
764 cx231xx_info("out of mem\n");
765 return -ENOMEM;
766 }
767 memcpy(&buffer[0], firmware, 4096);
768
769 ret = usb_bulk_msg(dev->udev, usb_sndbulkpipe(dev->udev, 5),
770 buffer, 4096, &actlen, 2000);
771
772 if (ret)
773 cx231xx_info("bulk message failed: %d (%d/%d)", ret,
774 size, actlen);
775 else {
776 errCode = actlen != size ? -1 : 0;
777 }
778 kfree(buffer);
779 return 0;
780 }
781
782 /*****************************************************************
783 * URB Streaming functions *
784 ******************************************************************/
785
786 /*
787 * IRQ callback, called by URB callback
788 */
789 static void cx231xx_isoc_irq_callback(struct urb *urb)
790 {
791 struct cx231xx_dmaqueue *dma_q = urb->context;
792 struct cx231xx_video_mode *vmode =
793 container_of(dma_q, struct cx231xx_video_mode, vidq);
794 struct cx231xx *dev = container_of(vmode, struct cx231xx, video_mode);
795 int rc, i;
796
797 switch (urb->status) {
798 case 0: /* success */
799 case -ETIMEDOUT: /* NAK */
800 break;
801 case -ECONNRESET: /* kill */
802 case -ENOENT:
803 case -ESHUTDOWN:
804 return;
805 default: /* error */
806 cx231xx_isocdbg("urb completition error %d.\n", urb->status);
807 break;
808 }
809
810 /* Copy data from URB */
811 spin_lock(&dev->video_mode.slock);
812 rc = dev->video_mode.isoc_ctl.isoc_copy(dev, urb);
813 spin_unlock(&dev->video_mode.slock);
814
815 /* Reset urb buffers */
816 for (i = 0; i < urb->number_of_packets; i++) {
817 urb->iso_frame_desc[i].status = 0;
818 urb->iso_frame_desc[i].actual_length = 0;
819 }
820 urb->status = 0;
821
822 urb->status = usb_submit_urb(urb, GFP_ATOMIC);
823 if (urb->status) {
824 cx231xx_isocdbg("urb resubmit failed (error=%i)\n",
825 urb->status);
826 }
827 }
828 /*****************************************************************
829 * URB Streaming functions *
830 ******************************************************************/
831
832 /*
833 * IRQ callback, called by URB callback
834 */
835 static void cx231xx_bulk_irq_callback(struct urb *urb)
836 {
837 struct cx231xx_dmaqueue *dma_q = urb->context;
838 struct cx231xx_video_mode *vmode =
839 container_of(dma_q, struct cx231xx_video_mode, vidq);
840 struct cx231xx *dev = container_of(vmode, struct cx231xx, video_mode);
841 int rc;
842
843 switch (urb->status) {
844 case 0: /* success */
845 case -ETIMEDOUT: /* NAK */
846 break;
847 case -ECONNRESET: /* kill */
848 case -ENOENT:
849 case -ESHUTDOWN:
850 return;
851 default: /* error */
852 cx231xx_isocdbg("urb completition error %d.\n", urb->status);
853 break;
854 }
855
856 /* Copy data from URB */
857 spin_lock(&dev->video_mode.slock);
858 rc = dev->video_mode.bulk_ctl.bulk_copy(dev, urb);
859 spin_unlock(&dev->video_mode.slock);
860
861 /* Reset urb buffers */
862 urb->status = 0;
863
864 urb->status = usb_submit_urb(urb, GFP_ATOMIC);
865 if (urb->status) {
866 cx231xx_isocdbg("urb resubmit failed (error=%i)\n",
867 urb->status);
868 }
869 }
870 /*
871 * Stop and Deallocate URBs
872 */
873 void cx231xx_uninit_isoc(struct cx231xx *dev)
874 {
875 struct cx231xx_dmaqueue *dma_q = &dev->video_mode.vidq;
876 struct urb *urb;
877 int i;
878
879 cx231xx_isocdbg("cx231xx: called cx231xx_uninit_isoc\n");
880
881 dev->video_mode.isoc_ctl.nfields = -1;
882 for (i = 0; i < dev->video_mode.isoc_ctl.num_bufs; i++) {
883 urb = dev->video_mode.isoc_ctl.urb[i];
884 if (urb) {
885 if (!irqs_disabled())
886 usb_kill_urb(urb);
887 else
888 usb_unlink_urb(urb);
889
890 if (dev->video_mode.isoc_ctl.transfer_buffer[i]) {
891 usb_free_coherent(dev->udev,
892 urb->transfer_buffer_length,
893 dev->video_mode.isoc_ctl.
894 transfer_buffer[i],
895 urb->transfer_dma);
896 }
897 usb_free_urb(urb);
898 dev->video_mode.isoc_ctl.urb[i] = NULL;
899 }
900 dev->video_mode.isoc_ctl.transfer_buffer[i] = NULL;
901 }
902
903 kfree(dev->video_mode.isoc_ctl.urb);
904 kfree(dev->video_mode.isoc_ctl.transfer_buffer);
905 kfree(dma_q->p_left_data);
906
907 dev->video_mode.isoc_ctl.urb = NULL;
908 dev->video_mode.isoc_ctl.transfer_buffer = NULL;
909 dev->video_mode.isoc_ctl.num_bufs = 0;
910 dma_q->p_left_data = NULL;
911
912 if (dev->mode_tv == 0)
913 cx231xx_capture_start(dev, 0, Raw_Video);
914 else
915 cx231xx_capture_start(dev, 0, TS1_serial_mode);
916
917
918 }
919 EXPORT_SYMBOL_GPL(cx231xx_uninit_isoc);
920
921 /*
922 * Stop and Deallocate URBs
923 */
924 void cx231xx_uninit_bulk(struct cx231xx *dev)
925 {
926 struct urb *urb;
927 int i;
928
929 cx231xx_isocdbg("cx231xx: called cx231xx_uninit_bulk\n");
930
931 dev->video_mode.bulk_ctl.nfields = -1;
932 for (i = 0; i < dev->video_mode.bulk_ctl.num_bufs; i++) {
933 urb = dev->video_mode.bulk_ctl.urb[i];
934 if (urb) {
935 if (!irqs_disabled())
936 usb_kill_urb(urb);
937 else
938 usb_unlink_urb(urb);
939
940 if (dev->video_mode.bulk_ctl.transfer_buffer[i]) {
941 usb_free_coherent(dev->udev,
942 urb->transfer_buffer_length,
943 dev->video_mode.isoc_ctl.
944 transfer_buffer[i],
945 urb->transfer_dma);
946 }
947 usb_free_urb(urb);
948 dev->video_mode.bulk_ctl.urb[i] = NULL;
949 }
950 dev->video_mode.bulk_ctl.transfer_buffer[i] = NULL;
951 }
952
953 kfree(dev->video_mode.bulk_ctl.urb);
954 kfree(dev->video_mode.bulk_ctl.transfer_buffer);
955
956 dev->video_mode.bulk_ctl.urb = NULL;
957 dev->video_mode.bulk_ctl.transfer_buffer = NULL;
958 dev->video_mode.bulk_ctl.num_bufs = 0;
959
960 if (dev->mode_tv == 0)
961 cx231xx_capture_start(dev, 0, Raw_Video);
962 else
963 cx231xx_capture_start(dev, 0, TS1_serial_mode);
964
965
966 }
967 EXPORT_SYMBOL_GPL(cx231xx_uninit_bulk);
968
969 /*
970 * Allocate URBs and start IRQ
971 */
972 int cx231xx_init_isoc(struct cx231xx *dev, int max_packets,
973 int num_bufs, int max_pkt_size,
974 int (*isoc_copy) (struct cx231xx *dev, struct urb *urb))
975 {
976 struct cx231xx_dmaqueue *dma_q = &dev->video_mode.vidq;
977 int i;
978 int sb_size, pipe;
979 struct urb *urb;
980 int j, k;
981 int rc;
982
983 /* De-allocates all pending stuff */
984 cx231xx_uninit_isoc(dev);
985
986 dma_q->p_left_data = kzalloc(4096, GFP_KERNEL);
987 if (dma_q->p_left_data == NULL) {
988 cx231xx_info("out of mem\n");
989 return -ENOMEM;
990 }
991
992
993
994 dev->video_mode.isoc_ctl.isoc_copy = isoc_copy;
995 dev->video_mode.isoc_ctl.num_bufs = num_bufs;
996 dma_q->pos = 0;
997 dma_q->is_partial_line = 0;
998 dma_q->last_sav = 0;
999 dma_q->current_field = -1;
1000 dma_q->field1_done = 0;
1001 dma_q->lines_per_field = dev->height / 2;
1002 dma_q->bytes_left_in_line = dev->width << 1;
1003 dma_q->lines_completed = 0;
1004 dma_q->mpeg_buffer_done = 0;
1005 dma_q->left_data_count = 0;
1006 dma_q->mpeg_buffer_completed = 0;
1007 dma_q->add_ps_package_head = CX231XX_NEED_ADD_PS_PACKAGE_HEAD;
1008 dma_q->ps_head[0] = 0x00;
1009 dma_q->ps_head[1] = 0x00;
1010 dma_q->ps_head[2] = 0x01;
1011 dma_q->ps_head[3] = 0xBA;
1012 for (i = 0; i < 8; i++)
1013 dma_q->partial_buf[i] = 0;
1014
1015 dev->video_mode.isoc_ctl.urb =
1016 kzalloc(sizeof(void *) * num_bufs, GFP_KERNEL);
1017 if (!dev->video_mode.isoc_ctl.urb) {
1018 cx231xx_errdev("cannot alloc memory for usb buffers\n");
1019 return -ENOMEM;
1020 }
1021
1022 dev->video_mode.isoc_ctl.transfer_buffer =
1023 kzalloc(sizeof(void *) * num_bufs, GFP_KERNEL);
1024 if (!dev->video_mode.isoc_ctl.transfer_buffer) {
1025 cx231xx_errdev("cannot allocate memory for usbtransfer\n");
1026 kfree(dev->video_mode.isoc_ctl.urb);
1027 return -ENOMEM;
1028 }
1029
1030 dev->video_mode.isoc_ctl.max_pkt_size = max_pkt_size;
1031 dev->video_mode.isoc_ctl.buf = NULL;
1032
1033 sb_size = max_packets * dev->video_mode.isoc_ctl.max_pkt_size;
1034
1035 if (dev->mode_tv == 1)
1036 dev->video_mode.end_point_addr = 0x81;
1037 else
1038 dev->video_mode.end_point_addr = 0x84;
1039
1040
1041 /* allocate urbs and transfer buffers */
1042 for (i = 0; i < dev->video_mode.isoc_ctl.num_bufs; i++) {
1043 urb = usb_alloc_urb(max_packets, GFP_KERNEL);
1044 if (!urb) {
1045 cx231xx_err("cannot alloc isoc_ctl.urb %i\n", i);
1046 cx231xx_uninit_isoc(dev);
1047 return -ENOMEM;
1048 }
1049 dev->video_mode.isoc_ctl.urb[i] = urb;
1050
1051 dev->video_mode.isoc_ctl.transfer_buffer[i] =
1052 usb_alloc_coherent(dev->udev, sb_size, GFP_KERNEL,
1053 &urb->transfer_dma);
1054 if (!dev->video_mode.isoc_ctl.transfer_buffer[i]) {
1055 cx231xx_err("unable to allocate %i bytes for transfer"
1056 " buffer %i%s\n",
1057 sb_size, i,
1058 in_interrupt() ? " while in int" : "");
1059 cx231xx_uninit_isoc(dev);
1060 return -ENOMEM;
1061 }
1062 memset(dev->video_mode.isoc_ctl.transfer_buffer[i], 0, sb_size);
1063
1064 pipe =
1065 usb_rcvisocpipe(dev->udev, dev->video_mode.end_point_addr);
1066
1067 usb_fill_int_urb(urb, dev->udev, pipe,
1068 dev->video_mode.isoc_ctl.transfer_buffer[i],
1069 sb_size, cx231xx_isoc_irq_callback, dma_q, 1);
1070
1071 urb->number_of_packets = max_packets;
1072 urb->transfer_flags = URB_ISO_ASAP;
1073
1074 k = 0;
1075 for (j = 0; j < max_packets; j++) {
1076 urb->iso_frame_desc[j].offset = k;
1077 urb->iso_frame_desc[j].length =
1078 dev->video_mode.isoc_ctl.max_pkt_size;
1079 k += dev->video_mode.isoc_ctl.max_pkt_size;
1080 }
1081 }
1082
1083 init_waitqueue_head(&dma_q->wq);
1084
1085 /* submit urbs and enables IRQ */
1086 for (i = 0; i < dev->video_mode.isoc_ctl.num_bufs; i++) {
1087 rc = usb_submit_urb(dev->video_mode.isoc_ctl.urb[i],
1088 GFP_ATOMIC);
1089 if (rc) {
1090 cx231xx_err("submit of urb %i failed (error=%i)\n", i,
1091 rc);
1092 cx231xx_uninit_isoc(dev);
1093 return rc;
1094 }
1095 }
1096
1097 if (dev->mode_tv == 0)
1098 cx231xx_capture_start(dev, 1, Raw_Video);
1099 else
1100 cx231xx_capture_start(dev, 1, TS1_serial_mode);
1101
1102 return 0;
1103 }
1104 EXPORT_SYMBOL_GPL(cx231xx_init_isoc);
1105
1106 /*
1107 * Allocate URBs and start IRQ
1108 */
1109 int cx231xx_init_bulk(struct cx231xx *dev, int max_packets,
1110 int num_bufs, int max_pkt_size,
1111 int (*bulk_copy) (struct cx231xx *dev, struct urb *urb))
1112 {
1113 struct cx231xx_dmaqueue *dma_q = &dev->video_mode.vidq;
1114 int i;
1115 int sb_size, pipe;
1116 struct urb *urb;
1117 int rc;
1118
1119 dev->video_input = dev->video_input > 2 ? 2 : dev->video_input;
1120
1121 cx231xx_coredbg("Setting Video mux to %d\n", dev->video_input);
1122
1123 video_mux(dev, dev->video_input);
1124
1125 /* De-allocates all pending stuff */
1126 cx231xx_uninit_bulk(dev);
1127
1128 dev->video_mode.bulk_ctl.bulk_copy = bulk_copy;
1129 dev->video_mode.bulk_ctl.num_bufs = num_bufs;
1130 dma_q->pos = 0;
1131 dma_q->is_partial_line = 0;
1132 dma_q->last_sav = 0;
1133 dma_q->current_field = -1;
1134 dma_q->field1_done = 0;
1135 dma_q->lines_per_field = dev->height / 2;
1136 dma_q->bytes_left_in_line = dev->width << 1;
1137 dma_q->lines_completed = 0;
1138 dma_q->mpeg_buffer_done = 0;
1139 dma_q->left_data_count = 0;
1140 dma_q->mpeg_buffer_completed = 0;
1141 dma_q->ps_head[0] = 0x00;
1142 dma_q->ps_head[1] = 0x00;
1143 dma_q->ps_head[2] = 0x01;
1144 dma_q->ps_head[3] = 0xBA;
1145 for (i = 0; i < 8; i++)
1146 dma_q->partial_buf[i] = 0;
1147
1148 dev->video_mode.bulk_ctl.urb =
1149 kzalloc(sizeof(void *) * num_bufs, GFP_KERNEL);
1150 if (!dev->video_mode.bulk_ctl.urb) {
1151 cx231xx_errdev("cannot alloc memory for usb buffers\n");
1152 return -ENOMEM;
1153 }
1154
1155 dev->video_mode.bulk_ctl.transfer_buffer =
1156 kzalloc(sizeof(void *) * num_bufs, GFP_KERNEL);
1157 if (!dev->video_mode.bulk_ctl.transfer_buffer) {
1158 cx231xx_errdev("cannot allocate memory for usbtransfer\n");
1159 kfree(dev->video_mode.bulk_ctl.urb);
1160 return -ENOMEM;
1161 }
1162
1163 dev->video_mode.bulk_ctl.max_pkt_size = max_pkt_size;
1164 dev->video_mode.bulk_ctl.buf = NULL;
1165
1166 sb_size = max_packets * dev->video_mode.bulk_ctl.max_pkt_size;
1167
1168 if (dev->mode_tv == 1)
1169 dev->video_mode.end_point_addr = 0x81;
1170 else
1171 dev->video_mode.end_point_addr = 0x84;
1172
1173
1174 /* allocate urbs and transfer buffers */
1175 for (i = 0; i < dev->video_mode.bulk_ctl.num_bufs; i++) {
1176 urb = usb_alloc_urb(0, GFP_KERNEL);
1177 if (!urb) {
1178 cx231xx_err("cannot alloc bulk_ctl.urb %i\n", i);
1179 cx231xx_uninit_bulk(dev);
1180 return -ENOMEM;
1181 }
1182 dev->video_mode.bulk_ctl.urb[i] = urb;
1183 urb->transfer_flags = 0;
1184
1185 dev->video_mode.bulk_ctl.transfer_buffer[i] =
1186 usb_alloc_coherent(dev->udev, sb_size, GFP_KERNEL,
1187 &urb->transfer_dma);
1188 if (!dev->video_mode.bulk_ctl.transfer_buffer[i]) {
1189 cx231xx_err("unable to allocate %i bytes for transfer"
1190 " buffer %i%s\n",
1191 sb_size, i,
1192 in_interrupt() ? " while in int" : "");
1193 cx231xx_uninit_bulk(dev);
1194 return -ENOMEM;
1195 }
1196 memset(dev->video_mode.bulk_ctl.transfer_buffer[i], 0, sb_size);
1197
1198 pipe = usb_rcvbulkpipe(dev->udev,
1199 dev->video_mode.end_point_addr);
1200 usb_fill_bulk_urb(urb, dev->udev, pipe,
1201 dev->video_mode.bulk_ctl.transfer_buffer[i],
1202 sb_size, cx231xx_bulk_irq_callback, dma_q);
1203 }
1204
1205 init_waitqueue_head(&dma_q->wq);
1206
1207 /* submit urbs and enables IRQ */
1208 for (i = 0; i < dev->video_mode.bulk_ctl.num_bufs; i++) {
1209 rc = usb_submit_urb(dev->video_mode.bulk_ctl.urb[i],
1210 GFP_ATOMIC);
1211 if (rc) {
1212 cx231xx_err("submit of urb %i failed (error=%i)\n", i,
1213 rc);
1214 cx231xx_uninit_bulk(dev);
1215 return rc;
1216 }
1217 }
1218
1219 if (dev->mode_tv == 0)
1220 cx231xx_capture_start(dev, 1, Raw_Video);
1221 else
1222 cx231xx_capture_start(dev, 1, TS1_serial_mode);
1223
1224 return 0;
1225 }
1226 EXPORT_SYMBOL_GPL(cx231xx_init_bulk);
1227 void cx231xx_stop_TS1(struct cx231xx *dev)
1228 {
1229 int status = 0;
1230 u8 val[4] = { 0, 0, 0, 0 };
1231
1232 val[0] = 0x00;
1233 val[1] = 0x03;
1234 val[2] = 0x00;
1235 val[3] = 0x00;
1236 status = cx231xx_write_ctrl_reg(dev, VRT_SET_REGISTER,
1237 TS_MODE_REG, val, 4);
1238
1239 val[0] = 0x00;
1240 val[1] = 0x70;
1241 val[2] = 0x04;
1242 val[3] = 0x00;
1243 status = cx231xx_write_ctrl_reg(dev, VRT_SET_REGISTER,
1244 TS1_CFG_REG, val, 4);
1245 }
1246 /* EXPORT_SYMBOL_GPL(cx231xx_stop_TS1); */
1247 void cx231xx_start_TS1(struct cx231xx *dev)
1248 {
1249 int status = 0;
1250 u8 val[4] = { 0, 0, 0, 0 };
1251
1252 val[0] = 0x03;
1253 val[1] = 0x03;
1254 val[2] = 0x00;
1255 val[3] = 0x00;
1256 status = cx231xx_write_ctrl_reg(dev, VRT_SET_REGISTER,
1257 TS_MODE_REG, val, 4);
1258
1259 val[0] = 0x04;
1260 val[1] = 0xA3;
1261 val[2] = 0x3B;
1262 val[3] = 0x00;
1263 status = cx231xx_write_ctrl_reg(dev, VRT_SET_REGISTER,
1264 TS1_CFG_REG, val, 4);
1265 }
1266 /* EXPORT_SYMBOL_GPL(cx231xx_start_TS1); */
1267 /*****************************************************************
1268 * Device Init/UnInit functions *
1269 ******************************************************************/
1270 int cx231xx_dev_init(struct cx231xx *dev)
1271 {
1272 int errCode = 0;
1273
1274 /* Initialize I2C bus */
1275
1276 /* External Master 1 Bus */
1277 dev->i2c_bus[0].nr = 0;
1278 dev->i2c_bus[0].dev = dev;
1279 dev->i2c_bus[0].i2c_period = I2C_SPEED_100K; /* 100 KHz */
1280 dev->i2c_bus[0].i2c_nostop = 0;
1281 dev->i2c_bus[0].i2c_reserve = 0;
1282
1283 /* External Master 2 Bus */
1284 dev->i2c_bus[1].nr = 1;
1285 dev->i2c_bus[1].dev = dev;
1286 dev->i2c_bus[1].i2c_period = I2C_SPEED_100K; /* 100 KHz */
1287 dev->i2c_bus[1].i2c_nostop = 0;
1288 dev->i2c_bus[1].i2c_reserve = 0;
1289
1290 /* Internal Master 3 Bus */
1291 dev->i2c_bus[2].nr = 2;
1292 dev->i2c_bus[2].dev = dev;
1293 dev->i2c_bus[2].i2c_period = I2C_SPEED_100K; /* 100kHz */
1294 dev->i2c_bus[2].i2c_nostop = 0;
1295 dev->i2c_bus[2].i2c_reserve = 0;
1296
1297 /* register I2C buses */
1298 cx231xx_i2c_register(&dev->i2c_bus[0]);
1299 cx231xx_i2c_register(&dev->i2c_bus[1]);
1300 cx231xx_i2c_register(&dev->i2c_bus[2]);
1301
1302 /* init hardware */
1303 /* Note : with out calling set power mode function,
1304 afe can not be set up correctly */
1305 if (dev->board.external_av) {
1306 errCode = cx231xx_set_power_mode(dev,
1307 POLARIS_AVMODE_ENXTERNAL_AV);
1308 if (errCode < 0) {
1309 cx231xx_errdev
1310 ("%s: Failed to set Power - errCode [%d]!\n",
1311 __func__, errCode);
1312 return errCode;
1313 }
1314 } else {
1315 errCode = cx231xx_set_power_mode(dev,
1316 POLARIS_AVMODE_ANALOGT_TV);
1317 if (errCode < 0) {
1318 cx231xx_errdev
1319 ("%s: Failed to set Power - errCode [%d]!\n",
1320 __func__, errCode);
1321 return errCode;
1322 }
1323 }
1324
1325 /* reset the Tuner, if it is a Xceive tuner */
1326 if ((dev->board.tuner_type == TUNER_XC5000) ||
1327 (dev->board.tuner_type == TUNER_XC2028))
1328 cx231xx_gpio_set(dev, dev->board.tuner_gpio);
1329
1330 /* initialize Colibri block */
1331 errCode = cx231xx_afe_init_super_block(dev, 0x23c);
1332 if (errCode < 0) {
1333 cx231xx_errdev
1334 ("%s: cx231xx_afe init super block - errCode [%d]!\n",
1335 __func__, errCode);
1336 return errCode;
1337 }
1338 errCode = cx231xx_afe_init_channels(dev);
1339 if (errCode < 0) {
1340 cx231xx_errdev
1341 ("%s: cx231xx_afe init channels - errCode [%d]!\n",
1342 __func__, errCode);
1343 return errCode;
1344 }
1345
1346 /* Set DIF in By pass mode */
1347 errCode = cx231xx_dif_set_standard(dev, DIF_USE_BASEBAND);
1348 if (errCode < 0) {
1349 cx231xx_errdev
1350 ("%s: cx231xx_dif set to By pass mode - errCode [%d]!\n",
1351 __func__, errCode);
1352 return errCode;
1353 }
1354
1355 /* I2S block related functions */
1356 errCode = cx231xx_i2s_blk_initialize(dev);
1357 if (errCode < 0) {
1358 cx231xx_errdev
1359 ("%s: cx231xx_i2s block initialize - errCode [%d]!\n",
1360 __func__, errCode);
1361 return errCode;
1362 }
1363
1364 /* init control pins */
1365 errCode = cx231xx_init_ctrl_pin_status(dev);
1366 if (errCode < 0) {
1367 cx231xx_errdev("%s: cx231xx_init ctrl pins - errCode [%d]!\n",
1368 __func__, errCode);
1369 return errCode;
1370 }
1371
1372 /* set AGC mode to Analog */
1373 switch (dev->model) {
1374 case CX231XX_BOARD_CNXT_CARRAERA:
1375 case CX231XX_BOARD_CNXT_RDE_250:
1376 case CX231XX_BOARD_CNXT_SHELBY:
1377 case CX231XX_BOARD_CNXT_RDU_250:
1378 errCode = cx231xx_set_agc_analog_digital_mux_select(dev, 1);
1379 break;
1380 case CX231XX_BOARD_CNXT_RDE_253S:
1381 case CX231XX_BOARD_CNXT_RDU_253S:
1382 case CX231XX_BOARD_HAUPPAUGE_EXETER:
1383 case CX231XX_BOARD_PV_PLAYTV_USB_HYBRID:
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 == 1)
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 == 1)
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 == 1)
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 == 1)
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 }