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Merge tag 'v3.3.7' into 3.3/master
[zen-stable.git] / drivers / media / video / cx231xx / cx231xx-core.c
blob08dd930f882a60bf566774480f2bb7950f8df4a6
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 if (dev->state & DEV_DISCONNECTED)
170 return -ENODEV;
171
172 /* Get the I2C period, nostop and reserve parameters */
173 _i2c_period = i2c_bus->i2c_period;
174 _i2c_nostop = i2c_bus->i2c_nostop;
175 _i2c_reserve = i2c_bus->i2c_reserve;
176
177 saddr_len = req_data->saddr_len;
178
179 /* Set wValue */
180 if (saddr_len == 1) /* need check saddr_len == 0 */
181 ven_req.wValue =
182 req_data->
183 dev_addr << 9 | _i2c_period << 4 | saddr_len << 2 |
184 _i2c_nostop << 1 | I2C_SYNC | _i2c_reserve << 6;
185 else
186 ven_req.wValue =
187 req_data->
188 dev_addr << 9 | _i2c_period << 4 | saddr_len << 2 |
189 _i2c_nostop << 1 | I2C_SYNC | _i2c_reserve << 6;
190
191 /* set channel number */
192 if (req_data->direction & I2C_M_RD) {
193 /* channel number, for read,spec required channel_num +4 */
194 ven_req.bRequest = i2c_bus->nr + 4;
195 } else
196 ven_req.bRequest = i2c_bus->nr; /* channel number, */
197
198 /* set index value */
199 switch (saddr_len) {
200 case 0:
201 ven_req.wIndex = 0; /* need check */
202 break;
203 case 1:
204 ven_req.wIndex = (req_data->saddr_dat & 0xff);
205 break;
206 case 2:
207 ven_req.wIndex = req_data->saddr_dat;
208 break;
209 }
210
211 /* set wLength value */
212 ven_req.wLength = req_data->buf_size;
213
214 /* set bData value */
215 ven_req.bData = 0;
216
217 /* set the direction */
218 if (req_data->direction) {
219 ven_req.direction = USB_DIR_IN;
220 memset(req_data->p_buffer, 0x00, ven_req.wLength);
221 } else
222 ven_req.direction = USB_DIR_OUT;
223
224 /* set the buffer for read / write */
225 ven_req.pBuff = req_data->p_buffer;
226
227
228 /* call common vendor command request */
229 status = cx231xx_send_vendor_cmd(dev, &ven_req);
230 if (status < 0) {
231 cx231xx_info
232 ("UsbInterface::sendCommand, failed with status -%d\n",
233 status);
234 }
235
236 return status;
237 }
238 EXPORT_SYMBOL_GPL(cx231xx_send_usb_command);
239
240 /*
241 * Sends/Receives URB control messages, assuring to use a kalloced buffer
242 * for all operations (dev->urb_buf), to avoid using stacked buffers, as
243 * they aren't safe for usage with USB, due to DMA restrictions.
244 * Also implements the debug code for control URB's.
245 */
246 static int __usb_control_msg(struct cx231xx *dev, unsigned int pipe,
247 __u8 request, __u8 requesttype, __u16 value, __u16 index,
248 void *data, __u16 size, int timeout)
249 {
250 int rc, i;
251
252 if (reg_debug) {
253 printk(KERN_DEBUG "%s: (pipe 0x%08x): "
254 "%s: %02x %02x %02x %02x %02x %02x %02x %02x ",
255 dev->name,
256 pipe,
257 (requesttype & USB_DIR_IN) ? "IN" : "OUT",
258 requesttype,
259 request,
260 value & 0xff, value >> 8,
261 index & 0xff, index >> 8,
262 size & 0xff, size >> 8);
263 if (!(requesttype & USB_DIR_IN)) {
264 printk(KERN_CONT ">>>");
265 for (i = 0; i < size; i++)
266 printk(KERN_CONT " %02x",
267 ((unsigned char *)data)[i]);
268 }
269 }
270
271 /* Do the real call to usb_control_msg */
272 mutex_lock(&dev->ctrl_urb_lock);
273 if (!(requesttype & USB_DIR_IN) && size)
274 memcpy(dev->urb_buf, data, size);
275 rc = usb_control_msg(dev->udev, pipe, request, requesttype, value,
276 index, dev->urb_buf, size, timeout);
277 if ((requesttype & USB_DIR_IN) && size)
278 memcpy(data, dev->urb_buf, size);
279 mutex_unlock(&dev->ctrl_urb_lock);
280
281 if (reg_debug) {
282 if (unlikely(rc < 0)) {
283 printk(KERN_CONT "FAILED!\n");
284 return rc;
285 }
286
287 if ((requesttype & USB_DIR_IN)) {
288 printk(KERN_CONT "<<<");
289 for (i = 0; i < size; i++)
290 printk(KERN_CONT " %02x",
291 ((unsigned char *)data)[i]);
292 }
293 printk(KERN_CONT "\n");
294 }
295
296 return rc;
297 }
298
299
300 /*
301 * cx231xx_read_ctrl_reg()
302 * reads data from the usb device specifying bRequest and wValue
303 */
304 int cx231xx_read_ctrl_reg(struct cx231xx *dev, u8 req, u16 reg,
305 char *buf, int len)
306 {
307 u8 val = 0;
308 int ret;
309 int pipe = usb_rcvctrlpipe(dev->udev, 0);
310
311 if (dev->state & DEV_DISCONNECTED)
312 return -ENODEV;
313
314 if (len > URB_MAX_CTRL_SIZE)
315 return -EINVAL;
316
317 switch (len) {
318 case 1:
319 val = ENABLE_ONE_BYTE;
320 break;
321 case 2:
322 val = ENABLE_TWE_BYTE;
323 break;
324 case 3:
325 val = ENABLE_THREE_BYTE;
326 break;
327 case 4:
328 val = ENABLE_FOUR_BYTE;
329 break;
330 default:
331 val = 0xFF; /* invalid option */
332 }
333
334 if (val == 0xFF)
335 return -EINVAL;
336
337 ret = __usb_control_msg(dev, pipe, req,
338 USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
339 val, reg, buf, len, HZ);
340 return ret;
341 }
342
343 int cx231xx_send_vendor_cmd(struct cx231xx *dev,
344 struct VENDOR_REQUEST_IN *ven_req)
345 {
346 int ret;
347 int pipe = 0;
348 int unsend_size = 0;
349 u8 *pdata;
350
351 if (dev->state & DEV_DISCONNECTED)
352 return -ENODEV;
353
354 if ((ven_req->wLength > URB_MAX_CTRL_SIZE))
355 return -EINVAL;
356
357 if (ven_req->direction)
358 pipe = usb_rcvctrlpipe(dev->udev, 0);
359 else
360 pipe = usb_sndctrlpipe(dev->udev, 0);
361
362 /*
363 * If the cx23102 read more than 4 bytes with i2c bus,
364 * need chop to 4 byte per request
365 */
366 if ((ven_req->wLength > 4) && ((ven_req->bRequest == 0x4) ||
367 (ven_req->bRequest == 0x5) ||
368 (ven_req->bRequest == 0x6))) {
369 unsend_size = 0;
370 pdata = ven_req->pBuff;
371
372
373 unsend_size = ven_req->wLength;
374
375 /* the first package */
376 ven_req->wValue = ven_req->wValue & 0xFFFB;
377 ven_req->wValue = (ven_req->wValue & 0xFFBD) | 0x2;
378 ret = __usb_control_msg(dev, pipe, ven_req->bRequest,
379 ven_req->direction | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
380 ven_req->wValue, ven_req->wIndex, pdata,
381 0x0004, HZ);
382 unsend_size = unsend_size - 4;
383
384 /* the middle package */
385 ven_req->wValue = (ven_req->wValue & 0xFFBD) | 0x42;
386 while (unsend_size - 4 > 0) {
387 pdata = pdata + 4;
388 ret = __usb_control_msg(dev, pipe,
389 ven_req->bRequest,
390 ven_req->direction | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
391 ven_req->wValue, ven_req->wIndex, pdata,
392 0x0004, HZ);
393 unsend_size = unsend_size - 4;
394 }
395
396 /* the last package */
397 ven_req->wValue = (ven_req->wValue & 0xFFBD) | 0x40;
398 pdata = pdata + 4;
399 ret = __usb_control_msg(dev, pipe, ven_req->bRequest,
400 ven_req->direction | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
401 ven_req->wValue, ven_req->wIndex, pdata,
402 unsend_size, HZ);
403 } else {
404 ret = __usb_control_msg(dev, pipe, ven_req->bRequest,
405 ven_req->direction | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
406 ven_req->wValue, ven_req->wIndex,
407 ven_req->pBuff, ven_req->wLength, HZ);
408 }
409
410 return ret;
411 }
412
413 /*
414 * cx231xx_write_ctrl_reg()
415 * sends data to the usb device, specifying bRequest
416 */
417 int cx231xx_write_ctrl_reg(struct cx231xx *dev, u8 req, u16 reg, char *buf,
418 int len)
419 {
420 u8 val = 0;
421 int ret;
422 int pipe = usb_sndctrlpipe(dev->udev, 0);
423
424 if (dev->state & DEV_DISCONNECTED)
425 return -ENODEV;
426
427 if ((len < 1) || (len > URB_MAX_CTRL_SIZE))
428 return -EINVAL;
429
430 switch (len) {
431 case 1:
432 val = ENABLE_ONE_BYTE;
433 break;
434 case 2:
435 val = ENABLE_TWE_BYTE;
436 break;
437 case 3:
438 val = ENABLE_THREE_BYTE;
439 break;
440 case 4:
441 val = ENABLE_FOUR_BYTE;
442 break;
443 default:
444 val = 0xFF; /* invalid option */
445 }
446
447 if (val == 0xFF)
448 return -EINVAL;
449
450 if (reg_debug) {
451 int byte;
452
453 cx231xx_isocdbg("(pipe 0x%08x): "
454 "OUT: %02x %02x %02x %02x %02x %02x %02x %02x >>>",
455 pipe,
456 USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
457 req, 0, val, reg & 0xff,
458 reg >> 8, len & 0xff, len >> 8);
459
460 for (byte = 0; byte < len; byte++)
461 cx231xx_isocdbg(" %02x", (unsigned char)buf[byte]);
462 cx231xx_isocdbg("\n");
463 }
464
465 ret = __usb_control_msg(dev, pipe, req,
466 USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
467 val, reg, buf, len, HZ);
468
469 return ret;
470 }
471
472 /****************************************************************
473 * USB Alternate Setting functions *
474 *****************************************************************/
475
476 int cx231xx_set_video_alternate(struct cx231xx *dev)
477 {
478 int errCode, prev_alt = dev->video_mode.alt;
479 unsigned int min_pkt_size = dev->width * 2 + 4;
480 u32 usb_interface_index = 0;
481
482 /* When image size is bigger than a certain value,
483 the frame size should be increased, otherwise, only
484 green screen will be received.
485 */
486 if (dev->width * 2 * dev->height > 720 * 240 * 2)
487 min_pkt_size *= 2;
488
489 if (dev->width > 360) {
490 /* resolutions: 720,704,640 */
491 dev->video_mode.alt = 3;
492 } else if (dev->width > 180) {
493 /* resolutions: 360,352,320,240 */
494 dev->video_mode.alt = 2;
495 } else if (dev->width > 0) {
496 /* resolutions: 180,176,160,128,88 */
497 dev->video_mode.alt = 1;
498 } else {
499 /* Change to alt0 BULK to release USB bandwidth */
500 dev->video_mode.alt = 0;
501 }
502
503 if (dev->USE_ISO == 0)
504 dev->video_mode.alt = 0;
505
506 cx231xx_coredbg("dev->video_mode.alt= %d\n", dev->video_mode.alt);
507
508 /* Get the correct video interface Index */
509 usb_interface_index =
510 dev->current_pcb_config.hs_config_info[0].interface_info.
511 video_index + 1;
512
513 if (dev->video_mode.alt != prev_alt) {
514 cx231xx_coredbg("minimum isoc packet size: %u (alt=%d)\n",
515 min_pkt_size, dev->video_mode.alt);
516
517 if (dev->video_mode.alt_max_pkt_size != NULL)
518 dev->video_mode.max_pkt_size =
519 dev->video_mode.alt_max_pkt_size[dev->video_mode.alt];
520 cx231xx_coredbg("setting alternate %d with wMaxPacketSize=%u\n",
521 dev->video_mode.alt,
522 dev->video_mode.max_pkt_size);
523 errCode =
524 usb_set_interface(dev->udev, usb_interface_index,
525 dev->video_mode.alt);
526 if (errCode < 0) {
527 cx231xx_errdev
528 ("cannot change alt number to %d (error=%i)\n",
529 dev->video_mode.alt, errCode);
530 return errCode;
531 }
532 }
533 return 0;
534 }
535
536 int cx231xx_set_alt_setting(struct cx231xx *dev, u8 index, u8 alt)
537 {
538 int status = 0;
539 u32 usb_interface_index = 0;
540 u32 max_pkt_size = 0;
541
542 switch (index) {
543 case INDEX_TS1:
544 usb_interface_index =
545 dev->current_pcb_config.hs_config_info[0].interface_info.
546 ts1_index + 1;
547 dev->ts1_mode.alt = alt;
548 if (dev->ts1_mode.alt_max_pkt_size != NULL)
549 max_pkt_size = dev->ts1_mode.max_pkt_size =
550 dev->ts1_mode.alt_max_pkt_size[dev->ts1_mode.alt];
551 break;
552 case INDEX_TS2:
553 usb_interface_index =
554 dev->current_pcb_config.hs_config_info[0].interface_info.
555 ts2_index + 1;
556 break;
557 case INDEX_AUDIO:
558 usb_interface_index =
559 dev->current_pcb_config.hs_config_info[0].interface_info.
560 audio_index + 1;
561 dev->adev.alt = alt;
562 if (dev->adev.alt_max_pkt_size != NULL)
563 max_pkt_size = dev->adev.max_pkt_size =
564 dev->adev.alt_max_pkt_size[dev->adev.alt];
565 break;
566 case INDEX_VIDEO:
567 usb_interface_index =
568 dev->current_pcb_config.hs_config_info[0].interface_info.
569 video_index + 1;
570 dev->video_mode.alt = alt;
571 if (dev->video_mode.alt_max_pkt_size != NULL)
572 max_pkt_size = dev->video_mode.max_pkt_size =
573 dev->video_mode.alt_max_pkt_size[dev->video_mode.
574 alt];
575 break;
576 case INDEX_VANC:
577 if (dev->board.no_alt_vanc)
578 return 0;
579 usb_interface_index =
580 dev->current_pcb_config.hs_config_info[0].interface_info.
581 vanc_index + 1;
582 dev->vbi_mode.alt = alt;
583 if (dev->vbi_mode.alt_max_pkt_size != NULL)
584 max_pkt_size = dev->vbi_mode.max_pkt_size =
585 dev->vbi_mode.alt_max_pkt_size[dev->vbi_mode.alt];
586 break;
587 case INDEX_HANC:
588 usb_interface_index =
589 dev->current_pcb_config.hs_config_info[0].interface_info.
590 hanc_index + 1;
591 dev->sliced_cc_mode.alt = alt;
592 if (dev->sliced_cc_mode.alt_max_pkt_size != NULL)
593 max_pkt_size = dev->sliced_cc_mode.max_pkt_size =
594 dev->sliced_cc_mode.alt_max_pkt_size[dev->
595 sliced_cc_mode.
596 alt];
597 break;
598 default:
599 break;
600 }
601
602 if (alt > 0 && max_pkt_size == 0) {
603 cx231xx_errdev
604 ("can't change interface %d alt no. to %d: Max. Pkt size = 0\n",
605 usb_interface_index, alt);
606 /*To workaround error number=-71 on EP0 for videograbber,
607 need add following codes.*/
608 if (dev->board.no_alt_vanc)
609 return -1;
610 }
611
612 cx231xx_coredbg("setting alternate %d with wMaxPacketSize=%u,"
613 "Interface = %d\n", alt, max_pkt_size,
614 usb_interface_index);
615
616 if (usb_interface_index > 0) {
617 status = usb_set_interface(dev->udev, usb_interface_index, alt);
618 if (status < 0) {
619 cx231xx_errdev
620 ("can't change interface %d alt no. to %d (err=%i)\n",
621 usb_interface_index, alt, status);
622 return status;
623 }
624 }
625
626 return status;
627 }
628 EXPORT_SYMBOL_GPL(cx231xx_set_alt_setting);
629
630 int cx231xx_gpio_set(struct cx231xx *dev, struct cx231xx_reg_seq *gpio)
631 {
632 int rc = 0;
633
634 if (!gpio)
635 return rc;
636
637 /* Send GPIO reset sequences specified at board entry */
638 while (gpio->sleep >= 0) {
639 rc = cx231xx_set_gpio_value(dev, gpio->bit, gpio->val);
640 if (rc < 0)
641 return rc;
642
643 if (gpio->sleep > 0)
644 msleep(gpio->sleep);
645
646 gpio++;
647 }
648 return rc;
649 }
650
651 int cx231xx_demod_reset(struct cx231xx *dev)
652 {
653
654 u8 status = 0;
655 u8 value[4] = { 0, 0, 0, 0 };
656
657 status = cx231xx_read_ctrl_reg(dev, VRT_GET_REGISTER, PWR_CTL_EN,
658 value, 4);
659
660 cx231xx_coredbg("reg0x%x=0x%x 0x%x 0x%x 0x%x\n", PWR_CTL_EN,
661 value[0], value[1], value[2], value[3]);
662
663 cx231xx_coredbg("Enter cx231xx_demod_reset()\n");
664
665 value[1] = (u8) 0x3;
666 status = cx231xx_write_ctrl_reg(dev, VRT_SET_REGISTER,
667 PWR_CTL_EN, value, 4);
668 msleep(10);
669
670 value[1] = (u8) 0x0;
671 status = cx231xx_write_ctrl_reg(dev, VRT_SET_REGISTER,
672 PWR_CTL_EN, value, 4);
673 msleep(10);
674
675 value[1] = (u8) 0x3;
676 status = cx231xx_write_ctrl_reg(dev, VRT_SET_REGISTER,
677 PWR_CTL_EN, value, 4);
678 msleep(10);
679
680
681
682 status = cx231xx_read_ctrl_reg(dev, VRT_GET_REGISTER, PWR_CTL_EN,
683 value, 4);
684
685 cx231xx_coredbg("reg0x%x=0x%x 0x%x 0x%x 0x%x\n", PWR_CTL_EN,
686 value[0], value[1], value[2], value[3]);
687
688 return status;
689 }
690 EXPORT_SYMBOL_GPL(cx231xx_demod_reset);
691 int is_fw_load(struct cx231xx *dev)
692 {
693 return cx231xx_check_fw(dev);
694 }
695 EXPORT_SYMBOL_GPL(is_fw_load);
696
697 int cx231xx_set_mode(struct cx231xx *dev, enum cx231xx_mode set_mode)
698 {
699 int errCode = 0;
700
701 if (dev->mode == set_mode)
702 return 0;
703
704 if (set_mode == CX231XX_SUSPEND) {
705 /* Set the chip in power saving mode */
706 dev->mode = set_mode;
707 }
708
709 /* Resource is locked */
710 if (dev->mode != CX231XX_SUSPEND)
711 return -EINVAL;
712
713 dev->mode = set_mode;
714
715 if (dev->mode == CX231XX_DIGITAL_MODE)/* Set Digital power mode */ {
716 /* set AGC mode to Digital */
717 switch (dev->model) {
718 case CX231XX_BOARD_CNXT_CARRAERA:
719 case CX231XX_BOARD_CNXT_RDE_250:
720 case CX231XX_BOARD_CNXT_SHELBY:
721 case CX231XX_BOARD_CNXT_RDU_250:
722 errCode = cx231xx_set_agc_analog_digital_mux_select(dev, 0);
723 break;
724 case CX231XX_BOARD_CNXT_RDE_253S:
725 case CX231XX_BOARD_CNXT_RDU_253S:
726 errCode = cx231xx_set_agc_analog_digital_mux_select(dev, 1);
727 break;
728 case CX231XX_BOARD_HAUPPAUGE_EXETER:
729 errCode = cx231xx_set_power_mode(dev,
730 POLARIS_AVMODE_DIGITAL);
731 break;
732 default:
733 break;
734 }
735 } else/* Set Analog Power mode */ {
736 /* set AGC mode to Analog */
737 switch (dev->model) {
738 case CX231XX_BOARD_CNXT_CARRAERA:
739 case CX231XX_BOARD_CNXT_RDE_250:
740 case CX231XX_BOARD_CNXT_SHELBY:
741 case CX231XX_BOARD_CNXT_RDU_250:
742 errCode = cx231xx_set_agc_analog_digital_mux_select(dev, 1);
743 break;
744 case CX231XX_BOARD_CNXT_RDE_253S:
745 case CX231XX_BOARD_CNXT_RDU_253S:
746 case CX231XX_BOARD_HAUPPAUGE_EXETER:
747 case CX231XX_BOARD_PV_PLAYTV_USB_HYBRID:
748 case CX231XX_BOARD_HAUPPAUGE_USB2_FM_PAL:
749 case CX231XX_BOARD_HAUPPAUGE_USB2_FM_NTSC:
750 errCode = cx231xx_set_agc_analog_digital_mux_select(dev, 0);
751 break;
752 default:
753 break;
754 }
755 }
756
757 return 0;
758 }
759 EXPORT_SYMBOL_GPL(cx231xx_set_mode);
760
761 int cx231xx_ep5_bulkout(struct cx231xx *dev, u8 *firmware, u16 size)
762 {
763 int errCode = 0;
764 int actlen, ret = -ENOMEM;
765 u32 *buffer;
766
767 buffer = kzalloc(4096, GFP_KERNEL);
768 if (buffer == NULL) {
769 cx231xx_info("out of mem\n");
770 return -ENOMEM;
771 }
772 memcpy(&buffer[0], firmware, 4096);
773
774 ret = usb_bulk_msg(dev->udev, usb_sndbulkpipe(dev->udev, 5),
775 buffer, 4096, &actlen, 2000);
776
777 if (ret)
778 cx231xx_info("bulk message failed: %d (%d/%d)", ret,
779 size, actlen);
780 else {
781 errCode = actlen != size ? -1 : 0;
782 }
783 kfree(buffer);
784 return 0;
785 }
786
787 /*****************************************************************
788 * URB Streaming functions *
789 ******************************************************************/
790
791 /*
792 * IRQ callback, called by URB callback
793 */
794 static void cx231xx_isoc_irq_callback(struct urb *urb)
795 {
796 struct cx231xx_dmaqueue *dma_q = urb->context;
797 struct cx231xx_video_mode *vmode =
798 container_of(dma_q, struct cx231xx_video_mode, vidq);
799 struct cx231xx *dev = container_of(vmode, struct cx231xx, video_mode);
800 int rc, i;
801
802 switch (urb->status) {
803 case 0: /* success */
804 case -ETIMEDOUT: /* NAK */
805 break;
806 case -ECONNRESET: /* kill */
807 case -ENOENT:
808 case -ESHUTDOWN:
809 return;
810 default: /* error */
811 cx231xx_isocdbg("urb completition error %d.\n", urb->status);
812 break;
813 }
814
815 /* Copy data from URB */
816 spin_lock(&dev->video_mode.slock);
817 rc = dev->video_mode.isoc_ctl.isoc_copy(dev, urb);
818 spin_unlock(&dev->video_mode.slock);
819
820 /* Reset urb buffers */
821 for (i = 0; i < urb->number_of_packets; i++) {
822 urb->iso_frame_desc[i].status = 0;
823 urb->iso_frame_desc[i].actual_length = 0;
824 }
825 urb->status = 0;
826
827 urb->status = usb_submit_urb(urb, GFP_ATOMIC);
828 if (urb->status) {
829 cx231xx_isocdbg("urb resubmit failed (error=%i)\n",
830 urb->status);
831 }
832 }
833 /*****************************************************************
834 * URB Streaming functions *
835 ******************************************************************/
836
837 /*
838 * IRQ callback, called by URB callback
839 */
840 static void cx231xx_bulk_irq_callback(struct urb *urb)
841 {
842 struct cx231xx_dmaqueue *dma_q = urb->context;
843 struct cx231xx_video_mode *vmode =
844 container_of(dma_q, struct cx231xx_video_mode, vidq);
845 struct cx231xx *dev = container_of(vmode, struct cx231xx, video_mode);
846 int rc;
847
848 switch (urb->status) {
849 case 0: /* success */
850 case -ETIMEDOUT: /* NAK */
851 break;
852 case -ECONNRESET: /* kill */
853 case -ENOENT:
854 case -ESHUTDOWN:
855 return;
856 default: /* error */
857 cx231xx_isocdbg("urb completition error %d.\n", urb->status);
858 break;
859 }
860
861 /* Copy data from URB */
862 spin_lock(&dev->video_mode.slock);
863 rc = dev->video_mode.bulk_ctl.bulk_copy(dev, urb);
864 spin_unlock(&dev->video_mode.slock);
865
866 /* Reset urb buffers */
867 urb->status = 0;
868
869 urb->status = usb_submit_urb(urb, GFP_ATOMIC);
870 if (urb->status) {
871 cx231xx_isocdbg("urb resubmit failed (error=%i)\n",
872 urb->status);
873 }
874 }
875 /*
876 * Stop and Deallocate URBs
877 */
878 void cx231xx_uninit_isoc(struct cx231xx *dev)
879 {
880 struct cx231xx_dmaqueue *dma_q = &dev->video_mode.vidq;
881 struct urb *urb;
882 int i;
883
884 cx231xx_isocdbg("cx231xx: called cx231xx_uninit_isoc\n");
885
886 dev->video_mode.isoc_ctl.nfields = -1;
887 for (i = 0; i < dev->video_mode.isoc_ctl.num_bufs; i++) {
888 urb = dev->video_mode.isoc_ctl.urb[i];
889 if (urb) {
890 if (!irqs_disabled())
891 usb_kill_urb(urb);
892 else
893 usb_unlink_urb(urb);
894
895 if (dev->video_mode.isoc_ctl.transfer_buffer[i]) {
896 usb_free_coherent(dev->udev,
897 urb->transfer_buffer_length,
898 dev->video_mode.isoc_ctl.
899 transfer_buffer[i],
900 urb->transfer_dma);
901 }
902 usb_free_urb(urb);
903 dev->video_mode.isoc_ctl.urb[i] = NULL;
904 }
905 dev->video_mode.isoc_ctl.transfer_buffer[i] = NULL;
906 }
907
908 kfree(dev->video_mode.isoc_ctl.urb);
909 kfree(dev->video_mode.isoc_ctl.transfer_buffer);
910 kfree(dma_q->p_left_data);
911
912 dev->video_mode.isoc_ctl.urb = NULL;
913 dev->video_mode.isoc_ctl.transfer_buffer = NULL;
914 dev->video_mode.isoc_ctl.num_bufs = 0;
915 dma_q->p_left_data = NULL;
916
917 if (dev->mode_tv == 0)
918 cx231xx_capture_start(dev, 0, Raw_Video);
919 else
920 cx231xx_capture_start(dev, 0, TS1_serial_mode);
921
922
923 }
924 EXPORT_SYMBOL_GPL(cx231xx_uninit_isoc);
925
926 /*
927 * Stop and Deallocate URBs
928 */
929 void cx231xx_uninit_bulk(struct cx231xx *dev)
930 {
931 struct urb *urb;
932 int i;
933
934 cx231xx_isocdbg("cx231xx: called cx231xx_uninit_bulk\n");
935
936 dev->video_mode.bulk_ctl.nfields = -1;
937 for (i = 0; i < dev->video_mode.bulk_ctl.num_bufs; i++) {
938 urb = dev->video_mode.bulk_ctl.urb[i];
939 if (urb) {
940 if (!irqs_disabled())
941 usb_kill_urb(urb);
942 else
943 usb_unlink_urb(urb);
944
945 if (dev->video_mode.bulk_ctl.transfer_buffer[i]) {
946 usb_free_coherent(dev->udev,
947 urb->transfer_buffer_length,
948 dev->video_mode.isoc_ctl.
949 transfer_buffer[i],
950 urb->transfer_dma);
951 }
952 usb_free_urb(urb);
953 dev->video_mode.bulk_ctl.urb[i] = NULL;
954 }
955 dev->video_mode.bulk_ctl.transfer_buffer[i] = NULL;
956 }
957
958 kfree(dev->video_mode.bulk_ctl.urb);
959 kfree(dev->video_mode.bulk_ctl.transfer_buffer);
960
961 dev->video_mode.bulk_ctl.urb = NULL;
962 dev->video_mode.bulk_ctl.transfer_buffer = NULL;
963 dev->video_mode.bulk_ctl.num_bufs = 0;
964
965 if (dev->mode_tv == 0)
966 cx231xx_capture_start(dev, 0, Raw_Video);
967 else
968 cx231xx_capture_start(dev, 0, TS1_serial_mode);
969
970
971 }
972 EXPORT_SYMBOL_GPL(cx231xx_uninit_bulk);
973
974 /*
975 * Allocate URBs and start IRQ
976 */
977 int cx231xx_init_isoc(struct cx231xx *dev, int max_packets,
978 int num_bufs, int max_pkt_size,
979 int (*isoc_copy) (struct cx231xx *dev, struct urb *urb))
980 {
981 struct cx231xx_dmaqueue *dma_q = &dev->video_mode.vidq;
982 int i;
983 int sb_size, pipe;
984 struct urb *urb;
985 int j, k;
986 int rc;
987
988 /* De-allocates all pending stuff */
989 cx231xx_uninit_isoc(dev);
990
991 dma_q->p_left_data = kzalloc(4096, GFP_KERNEL);
992 if (dma_q->p_left_data == NULL) {
993 cx231xx_info("out of mem\n");
994 return -ENOMEM;
995 }
996
997
998
999 dev->video_mode.isoc_ctl.isoc_copy = isoc_copy;
1000 dev->video_mode.isoc_ctl.num_bufs = num_bufs;
1001 dma_q->pos = 0;
1002 dma_q->is_partial_line = 0;
1003 dma_q->last_sav = 0;
1004 dma_q->current_field = -1;
1005 dma_q->field1_done = 0;
1006 dma_q->lines_per_field = dev->height / 2;
1007 dma_q->bytes_left_in_line = dev->width << 1;
1008 dma_q->lines_completed = 0;
1009 dma_q->mpeg_buffer_done = 0;
1010 dma_q->left_data_count = 0;
1011 dma_q->mpeg_buffer_completed = 0;
1012 dma_q->add_ps_package_head = CX231XX_NEED_ADD_PS_PACKAGE_HEAD;
1013 dma_q->ps_head[0] = 0x00;
1014 dma_q->ps_head[1] = 0x00;
1015 dma_q->ps_head[2] = 0x01;
1016 dma_q->ps_head[3] = 0xBA;
1017 for (i = 0; i < 8; i++)
1018 dma_q->partial_buf[i] = 0;
1019
1020 dev->video_mode.isoc_ctl.urb =
1021 kzalloc(sizeof(void *) * num_bufs, GFP_KERNEL);
1022 if (!dev->video_mode.isoc_ctl.urb) {
1023 cx231xx_errdev("cannot alloc memory for usb buffers\n");
1024 return -ENOMEM;
1025 }
1026
1027 dev->video_mode.isoc_ctl.transfer_buffer =
1028 kzalloc(sizeof(void *) * num_bufs, GFP_KERNEL);
1029 if (!dev->video_mode.isoc_ctl.transfer_buffer) {
1030 cx231xx_errdev("cannot allocate memory for usbtransfer\n");
1031 kfree(dev->video_mode.isoc_ctl.urb);
1032 return -ENOMEM;
1033 }
1034
1035 dev->video_mode.isoc_ctl.max_pkt_size = max_pkt_size;
1036 dev->video_mode.isoc_ctl.buf = NULL;
1037
1038 sb_size = max_packets * dev->video_mode.isoc_ctl.max_pkt_size;
1039
1040 if (dev->mode_tv == 1)
1041 dev->video_mode.end_point_addr = 0x81;
1042 else
1043 dev->video_mode.end_point_addr = 0x84;
1044
1045
1046 /* allocate urbs and transfer buffers */
1047 for (i = 0; i < dev->video_mode.isoc_ctl.num_bufs; i++) {
1048 urb = usb_alloc_urb(max_packets, GFP_KERNEL);
1049 if (!urb) {
1050 cx231xx_err("cannot alloc isoc_ctl.urb %i\n", i);
1051 cx231xx_uninit_isoc(dev);
1052 return -ENOMEM;
1053 }
1054 dev->video_mode.isoc_ctl.urb[i] = urb;
1055
1056 dev->video_mode.isoc_ctl.transfer_buffer[i] =
1057 usb_alloc_coherent(dev->udev, sb_size, GFP_KERNEL,
1058 &urb->transfer_dma);
1059 if (!dev->video_mode.isoc_ctl.transfer_buffer[i]) {
1060 cx231xx_err("unable to allocate %i bytes for transfer"
1061 " buffer %i%s\n",
1062 sb_size, i,
1063 in_interrupt() ? " while in int" : "");
1064 cx231xx_uninit_isoc(dev);
1065 return -ENOMEM;
1066 }
1067 memset(dev->video_mode.isoc_ctl.transfer_buffer[i], 0, sb_size);
1068
1069 pipe =
1070 usb_rcvisocpipe(dev->udev, dev->video_mode.end_point_addr);
1071
1072 usb_fill_int_urb(urb, dev->udev, pipe,
1073 dev->video_mode.isoc_ctl.transfer_buffer[i],
1074 sb_size, cx231xx_isoc_irq_callback, dma_q, 1);
1075
1076 urb->number_of_packets = max_packets;
1077 urb->transfer_flags = URB_ISO_ASAP | URB_NO_TRANSFER_DMA_MAP;
1078
1079 k = 0;
1080 for (j = 0; j < max_packets; j++) {
1081 urb->iso_frame_desc[j].offset = k;
1082 urb->iso_frame_desc[j].length =
1083 dev->video_mode.isoc_ctl.max_pkt_size;
1084 k += dev->video_mode.isoc_ctl.max_pkt_size;
1085 }
1086 }
1087
1088 init_waitqueue_head(&dma_q->wq);
1089
1090 /* submit urbs and enables IRQ */
1091 for (i = 0; i < dev->video_mode.isoc_ctl.num_bufs; i++) {
1092 rc = usb_submit_urb(dev->video_mode.isoc_ctl.urb[i],
1093 GFP_ATOMIC);
1094 if (rc) {
1095 cx231xx_err("submit of urb %i failed (error=%i)\n", i,
1096 rc);
1097 cx231xx_uninit_isoc(dev);
1098 return rc;
1099 }
1100 }
1101
1102 if (dev->mode_tv == 0)
1103 cx231xx_capture_start(dev, 1, Raw_Video);
1104 else
1105 cx231xx_capture_start(dev, 1, TS1_serial_mode);
1106
1107 return 0;
1108 }
1109 EXPORT_SYMBOL_GPL(cx231xx_init_isoc);
1110
1111 /*
1112 * Allocate URBs and start IRQ
1113 */
1114 int cx231xx_init_bulk(struct cx231xx *dev, int max_packets,
1115 int num_bufs, int max_pkt_size,
1116 int (*bulk_copy) (struct cx231xx *dev, struct urb *urb))
1117 {
1118 struct cx231xx_dmaqueue *dma_q = &dev->video_mode.vidq;
1119 int i;
1120 int sb_size, pipe;
1121 struct urb *urb;
1122 int rc;
1123
1124 dev->video_input = dev->video_input > 2 ? 2 : dev->video_input;
1125
1126 cx231xx_coredbg("Setting Video mux to %d\n", dev->video_input);
1127
1128 video_mux(dev, dev->video_input);
1129
1130 /* De-allocates all pending stuff */
1131 cx231xx_uninit_bulk(dev);
1132
1133 dev->video_mode.bulk_ctl.bulk_copy = bulk_copy;
1134 dev->video_mode.bulk_ctl.num_bufs = num_bufs;
1135 dma_q->pos = 0;
1136 dma_q->is_partial_line = 0;
1137 dma_q->last_sav = 0;
1138 dma_q->current_field = -1;
1139 dma_q->field1_done = 0;
1140 dma_q->lines_per_field = dev->height / 2;
1141 dma_q->bytes_left_in_line = dev->width << 1;
1142 dma_q->lines_completed = 0;
1143 dma_q->mpeg_buffer_done = 0;
1144 dma_q->left_data_count = 0;
1145 dma_q->mpeg_buffer_completed = 0;
1146 dma_q->ps_head[0] = 0x00;
1147 dma_q->ps_head[1] = 0x00;
1148 dma_q->ps_head[2] = 0x01;
1149 dma_q->ps_head[3] = 0xBA;
1150 for (i = 0; i < 8; i++)
1151 dma_q->partial_buf[i] = 0;
1152
1153 dev->video_mode.bulk_ctl.urb =
1154 kzalloc(sizeof(void *) * num_bufs, GFP_KERNEL);
1155 if (!dev->video_mode.bulk_ctl.urb) {
1156 cx231xx_errdev("cannot alloc memory for usb buffers\n");
1157 return -ENOMEM;
1158 }
1159
1160 dev->video_mode.bulk_ctl.transfer_buffer =
1161 kzalloc(sizeof(void *) * num_bufs, GFP_KERNEL);
1162 if (!dev->video_mode.bulk_ctl.transfer_buffer) {
1163 cx231xx_errdev("cannot allocate memory for usbtransfer\n");
1164 kfree(dev->video_mode.bulk_ctl.urb);
1165 return -ENOMEM;
1166 }
1167
1168 dev->video_mode.bulk_ctl.max_pkt_size = max_pkt_size;
1169 dev->video_mode.bulk_ctl.buf = NULL;
1170
1171 sb_size = max_packets * dev->video_mode.bulk_ctl.max_pkt_size;
1172
1173 if (dev->mode_tv == 1)
1174 dev->video_mode.end_point_addr = 0x81;
1175 else
1176 dev->video_mode.end_point_addr = 0x84;
1177
1178
1179 /* allocate urbs and transfer buffers */
1180 for (i = 0; i < dev->video_mode.bulk_ctl.num_bufs; i++) {
1181 urb = usb_alloc_urb(0, GFP_KERNEL);
1182 if (!urb) {
1183 cx231xx_err("cannot alloc bulk_ctl.urb %i\n", i);
1184 cx231xx_uninit_bulk(dev);
1185 return -ENOMEM;
1186 }
1187 dev->video_mode.bulk_ctl.urb[i] = urb;
1188 urb->transfer_flags = URB_NO_TRANSFER_DMA_MAP;
1189
1190 dev->video_mode.bulk_ctl.transfer_buffer[i] =
1191 usb_alloc_coherent(dev->udev, sb_size, GFP_KERNEL,
1192 &urb->transfer_dma);
1193 if (!dev->video_mode.bulk_ctl.transfer_buffer[i]) {
1194 cx231xx_err("unable to allocate %i bytes for transfer"
1195 " buffer %i%s\n",
1196 sb_size, i,
1197 in_interrupt() ? " while in int" : "");
1198 cx231xx_uninit_bulk(dev);
1199 return -ENOMEM;
1200 }
1201 memset(dev->video_mode.bulk_ctl.transfer_buffer[i], 0, sb_size);
1202
1203 pipe = usb_rcvbulkpipe(dev->udev,
1204 dev->video_mode.end_point_addr);
1205 usb_fill_bulk_urb(urb, dev->udev, pipe,
1206 dev->video_mode.bulk_ctl.transfer_buffer[i],
1207 sb_size, cx231xx_bulk_irq_callback, dma_q);
1208 }
1209
1210 init_waitqueue_head(&dma_q->wq);
1211
1212 /* submit urbs and enables IRQ */
1213 for (i = 0; i < dev->video_mode.bulk_ctl.num_bufs; i++) {
1214 rc = usb_submit_urb(dev->video_mode.bulk_ctl.urb[i],
1215 GFP_ATOMIC);
1216 if (rc) {
1217 cx231xx_err("submit of urb %i failed (error=%i)\n", i,
1218 rc);
1219 cx231xx_uninit_bulk(dev);
1220 return rc;
1221 }
1222 }
1223
1224 if (dev->mode_tv == 0)
1225 cx231xx_capture_start(dev, 1, Raw_Video);
1226 else
1227 cx231xx_capture_start(dev, 1, TS1_serial_mode);
1228
1229 return 0;
1230 }
1231 EXPORT_SYMBOL_GPL(cx231xx_init_bulk);
1232 void cx231xx_stop_TS1(struct cx231xx *dev)
1233 {
1234 int status = 0;
1235 u8 val[4] = { 0, 0, 0, 0 };
1236
1237 val[0] = 0x00;
1238 val[1] = 0x03;
1239 val[2] = 0x00;
1240 val[3] = 0x00;
1241 status = cx231xx_write_ctrl_reg(dev, VRT_SET_REGISTER,
1242 TS_MODE_REG, val, 4);
1243
1244 val[0] = 0x00;
1245 val[1] = 0x70;
1246 val[2] = 0x04;
1247 val[3] = 0x00;
1248 status = cx231xx_write_ctrl_reg(dev, VRT_SET_REGISTER,
1249 TS1_CFG_REG, val, 4);
1250 }
1251 /* EXPORT_SYMBOL_GPL(cx231xx_stop_TS1); */
1252 void cx231xx_start_TS1(struct cx231xx *dev)
1253 {
1254 int status = 0;
1255 u8 val[4] = { 0, 0, 0, 0 };
1256
1257 val[0] = 0x03;
1258 val[1] = 0x03;
1259 val[2] = 0x00;
1260 val[3] = 0x00;
1261 status = cx231xx_write_ctrl_reg(dev, VRT_SET_REGISTER,
1262 TS_MODE_REG, val, 4);
1263
1264 val[0] = 0x04;
1265 val[1] = 0xA3;
1266 val[2] = 0x3B;
1267 val[3] = 0x00;
1268 status = cx231xx_write_ctrl_reg(dev, VRT_SET_REGISTER,
1269 TS1_CFG_REG, val, 4);
1270 }
1271 /* EXPORT_SYMBOL_GPL(cx231xx_start_TS1); */
1272 /*****************************************************************
1273 * Device Init/UnInit functions *
1274 ******************************************************************/
1275 int cx231xx_dev_init(struct cx231xx *dev)
1276 {
1277 int errCode = 0;
1278
1279 /* Initialize I2C bus */
1280
1281 /* External Master 1 Bus */
1282 dev->i2c_bus[0].nr = 0;
1283 dev->i2c_bus[0].dev = dev;
1284 dev->i2c_bus[0].i2c_period = I2C_SPEED_100K; /* 100 KHz */
1285 dev->i2c_bus[0].i2c_nostop = 0;
1286 dev->i2c_bus[0].i2c_reserve = 0;
1287
1288 /* External Master 2 Bus */
1289 dev->i2c_bus[1].nr = 1;
1290 dev->i2c_bus[1].dev = dev;
1291 dev->i2c_bus[1].i2c_period = I2C_SPEED_100K; /* 100 KHz */
1292 dev->i2c_bus[1].i2c_nostop = 0;
1293 dev->i2c_bus[1].i2c_reserve = 0;
1294
1295 /* Internal Master 3 Bus */
1296 dev->i2c_bus[2].nr = 2;
1297 dev->i2c_bus[2].dev = dev;
1298 dev->i2c_bus[2].i2c_period = I2C_SPEED_100K; /* 100kHz */
1299 dev->i2c_bus[2].i2c_nostop = 0;
1300 dev->i2c_bus[2].i2c_reserve = 0;
1301
1302 /* register I2C buses */
1303 cx231xx_i2c_register(&dev->i2c_bus[0]);
1304 cx231xx_i2c_register(&dev->i2c_bus[1]);
1305 cx231xx_i2c_register(&dev->i2c_bus[2]);
1306
1307 /* init hardware */
1308 /* Note : with out calling set power mode function,
1309 afe can not be set up correctly */
1310 if (dev->board.external_av) {
1311 errCode = cx231xx_set_power_mode(dev,
1312 POLARIS_AVMODE_ENXTERNAL_AV);
1313 if (errCode < 0) {
1314 cx231xx_errdev
1315 ("%s: Failed to set Power - errCode [%d]!\n",
1316 __func__, errCode);
1317 return errCode;
1318 }
1319 } else {
1320 errCode = cx231xx_set_power_mode(dev,
1321 POLARIS_AVMODE_ANALOGT_TV);
1322 if (errCode < 0) {
1323 cx231xx_errdev
1324 ("%s: Failed to set Power - errCode [%d]!\n",
1325 __func__, errCode);
1326 return errCode;
1327 }
1328 }
1329
1330 /* reset the Tuner, if it is a Xceive tuner */
1331 if ((dev->board.tuner_type == TUNER_XC5000) ||
1332 (dev->board.tuner_type == TUNER_XC2028))
1333 cx231xx_gpio_set(dev, dev->board.tuner_gpio);
1334
1335 /* initialize Colibri block */
1336 errCode = cx231xx_afe_init_super_block(dev, 0x23c);
1337 if (errCode < 0) {
1338 cx231xx_errdev
1339 ("%s: cx231xx_afe init super block - errCode [%d]!\n",
1340 __func__, errCode);
1341 return errCode;
1342 }
1343 errCode = cx231xx_afe_init_channels(dev);
1344 if (errCode < 0) {
1345 cx231xx_errdev
1346 ("%s: cx231xx_afe init channels - errCode [%d]!\n",
1347 __func__, errCode);
1348 return errCode;
1349 }
1350
1351 /* Set DIF in By pass mode */
1352 errCode = cx231xx_dif_set_standard(dev, DIF_USE_BASEBAND);
1353 if (errCode < 0) {
1354 cx231xx_errdev
1355 ("%s: cx231xx_dif set to By pass mode - errCode [%d]!\n",
1356 __func__, errCode);
1357 return errCode;
1358 }
1359
1360 /* I2S block related functions */
1361 errCode = cx231xx_i2s_blk_initialize(dev);
1362 if (errCode < 0) {
1363 cx231xx_errdev
1364 ("%s: cx231xx_i2s block initialize - errCode [%d]!\n",
1365 __func__, errCode);
1366 return errCode;
1367 }
1368
1369 /* init control pins */
1370 errCode = cx231xx_init_ctrl_pin_status(dev);
1371 if (errCode < 0) {
1372 cx231xx_errdev("%s: cx231xx_init ctrl pins - errCode [%d]!\n",
1373 __func__, errCode);
1374 return errCode;
1375 }
1376
1377 /* set AGC mode to Analog */
1378 switch (dev->model) {
1379 case CX231XX_BOARD_CNXT_CARRAERA:
1380 case CX231XX_BOARD_CNXT_RDE_250:
1381 case CX231XX_BOARD_CNXT_SHELBY:
1382 case CX231XX_BOARD_CNXT_RDU_250:
1383 errCode = cx231xx_set_agc_analog_digital_mux_select(dev, 1);
1384 break;
1385 case CX231XX_BOARD_CNXT_RDE_253S:
1386 case CX231XX_BOARD_CNXT_RDU_253S:
1387 case CX231XX_BOARD_HAUPPAUGE_EXETER:
1388 case CX231XX_BOARD_PV_PLAYTV_USB_HYBRID:
1389 case CX231XX_BOARD_HAUPPAUGE_USB2_FM_PAL:
1390 case CX231XX_BOARD_HAUPPAUGE_USB2_FM_NTSC:
1391 errCode = cx231xx_set_agc_analog_digital_mux_select(dev, 0);
1392 break;
1393 default:
1394 break;
1395 }
1396 if (errCode < 0) {
1397 cx231xx_errdev
1398 ("%s: cx231xx_AGC mode to Analog - errCode [%d]!\n",
1399 __func__, errCode);
1400 return errCode;
1401 }
1402
1403 /* set all alternate settings to zero initially */
1404 cx231xx_set_alt_setting(dev, INDEX_VIDEO, 0);
1405 cx231xx_set_alt_setting(dev, INDEX_VANC, 0);
1406 cx231xx_set_alt_setting(dev, INDEX_HANC, 0);
1407 if (dev->board.has_dvb)
1408 cx231xx_set_alt_setting(dev, INDEX_TS1, 0);
1409
1410 /* set the I2C master port to 3 on channel 1 */
1411 errCode = cx231xx_enable_i2c_port_3(dev, true);
1412
1413 return errCode;
1414 }
1415 EXPORT_SYMBOL_GPL(cx231xx_dev_init);
1416
1417 void cx231xx_dev_uninit(struct cx231xx *dev)
1418 {
1419 /* Un Initialize I2C bus */
1420 cx231xx_i2c_unregister(&dev->i2c_bus[2]);
1421 cx231xx_i2c_unregister(&dev->i2c_bus[1]);
1422 cx231xx_i2c_unregister(&dev->i2c_bus[0]);
1423 }
1424 EXPORT_SYMBOL_GPL(cx231xx_dev_uninit);
1425
1426 /*****************************************************************
1427 * G P I O related functions *
1428 ******************************************************************/
1429 int cx231xx_send_gpio_cmd(struct cx231xx *dev, u32 gpio_bit, u8 *gpio_val,
1430 u8 len, u8 request, u8 direction)
1431 {
1432 int status = 0;
1433 struct VENDOR_REQUEST_IN ven_req;
1434
1435 /* Set wValue */
1436 ven_req.wValue = (u16) (gpio_bit >> 16 & 0xffff);
1437
1438 /* set request */
1439 if (!request) {
1440 if (direction)
1441 ven_req.bRequest = VRT_GET_GPIO; /* 0x8 gpio */
1442 else
1443 ven_req.bRequest = VRT_SET_GPIO; /* 0x9 gpio */
1444 } else {
1445 if (direction)
1446 ven_req.bRequest = VRT_GET_GPIE; /* 0xa gpie */
1447 else
1448 ven_req.bRequest = VRT_SET_GPIE; /* 0xb gpie */
1449 }
1450
1451 /* set index value */
1452 ven_req.wIndex = (u16) (gpio_bit & 0xffff);
1453
1454 /* set wLength value */
1455 ven_req.wLength = len;
1456
1457 /* set bData value */
1458 ven_req.bData = 0;
1459
1460 /* set the buffer for read / write */
1461 ven_req.pBuff = gpio_val;
1462
1463 /* set the direction */
1464 if (direction) {
1465 ven_req.direction = USB_DIR_IN;
1466 memset(ven_req.pBuff, 0x00, ven_req.wLength);
1467 } else
1468 ven_req.direction = USB_DIR_OUT;
1469
1470
1471 /* call common vendor command request */
1472 status = cx231xx_send_vendor_cmd(dev, &ven_req);
1473 if (status < 0) {
1474 cx231xx_info
1475 ("UsbInterface::sendCommand, failed with status -%d\n",
1476 status);
1477 }
1478
1479 return status;
1480 }
1481 EXPORT_SYMBOL_GPL(cx231xx_send_gpio_cmd);
1482
1483 /*****************************************************************
1484 * C O N T R O L - Register R E A D / W R I T E functions *
1485 *****************************************************************/
1486 int cx231xx_mode_register(struct cx231xx *dev, u16 address, u32 mode)
1487 {
1488 u8 value[4] = { 0x0, 0x0, 0x0, 0x0 };
1489 u32 tmp = 0;
1490 int status = 0;
1491
1492 status =
1493 cx231xx_read_ctrl_reg(dev, VRT_GET_REGISTER, address, value, 4);
1494 if (status < 0)
1495 return status;
1496
1497 tmp = *((u32 *) value);
1498 tmp |= mode;
1499
1500 value[0] = (u8) tmp;
1501 value[1] = (u8) (tmp >> 8);
1502 value[2] = (u8) (tmp >> 16);
1503 value[3] = (u8) (tmp >> 24);
1504
1505 status =
1506 cx231xx_write_ctrl_reg(dev, VRT_SET_REGISTER, address, value, 4);
1507
1508 return status;
1509 }
1510
1511 /*****************************************************************
1512 * I 2 C Internal C O N T R O L functions *
1513 *****************************************************************/
1514 int cx231xx_read_i2c_master(struct cx231xx *dev, u8 dev_addr, u16 saddr,
1515 u8 saddr_len, u32 *data, u8 data_len, int master)
1516 {
1517 int status = 0;
1518 struct cx231xx_i2c_xfer_data req_data;
1519 u8 value[64] = "0";
1520
1521 if (saddr_len == 0)
1522 saddr = 0;
1523 else if (saddr_len == 1)
1524 saddr &= 0xff;
1525
1526 /* prepare xfer_data struct */
1527 req_data.dev_addr = dev_addr >> 1;
1528 req_data.direction = I2C_M_RD;
1529 req_data.saddr_len = saddr_len;
1530 req_data.saddr_dat = saddr;
1531 req_data.buf_size = data_len;
1532 req_data.p_buffer = (u8 *) value;
1533
1534 /* usb send command */
1535 if (master == 0)
1536 status = dev->cx231xx_send_usb_command(&dev->i2c_bus[0],
1537 &req_data);
1538 else if (master == 1)
1539 status = dev->cx231xx_send_usb_command(&dev->i2c_bus[1],
1540 &req_data);
1541 else if (master == 2)
1542 status = dev->cx231xx_send_usb_command(&dev->i2c_bus[2],
1543 &req_data);
1544
1545 if (status >= 0) {
1546 /* Copy the data read back to main buffer */
1547 if (data_len == 1)
1548 *data = value[0];
1549 else if (data_len == 4)
1550 *data =
1551 value[0] | value[1] << 8 | value[2] << 16 | value[3]
1552 << 24;
1553 else if (data_len > 4)
1554 *data = value[saddr];
1555 }
1556
1557 return status;
1558 }
1559
1560 int cx231xx_write_i2c_master(struct cx231xx *dev, u8 dev_addr, u16 saddr,
1561 u8 saddr_len, u32 data, u8 data_len, int master)
1562 {
1563 int status = 0;
1564 u8 value[4] = { 0, 0, 0, 0 };
1565 struct cx231xx_i2c_xfer_data req_data;
1566
1567 value[0] = (u8) data;
1568 value[1] = (u8) (data >> 8);
1569 value[2] = (u8) (data >> 16);
1570 value[3] = (u8) (data >> 24);
1571
1572 if (saddr_len == 0)
1573 saddr = 0;
1574 else if (saddr_len == 1)
1575 saddr &= 0xff;
1576
1577 /* prepare xfer_data struct */
1578 req_data.dev_addr = dev_addr >> 1;
1579 req_data.direction = 0;
1580 req_data.saddr_len = saddr_len;
1581 req_data.saddr_dat = saddr;
1582 req_data.buf_size = data_len;
1583 req_data.p_buffer = value;
1584
1585 /* usb send command */
1586 if (master == 0)
1587 status = dev->cx231xx_send_usb_command(&dev->i2c_bus[0],
1588 &req_data);
1589 else if (master == 1)
1590 status = dev->cx231xx_send_usb_command(&dev->i2c_bus[1],
1591 &req_data);
1592 else if (master == 2)
1593 status = dev->cx231xx_send_usb_command(&dev->i2c_bus[2],
1594 &req_data);
1595
1596 return status;
1597 }
1598
1599 int cx231xx_read_i2c_data(struct cx231xx *dev, u8 dev_addr, u16 saddr,
1600 u8 saddr_len, u32 *data, u8 data_len)
1601 {
1602 int status = 0;
1603 struct cx231xx_i2c_xfer_data req_data;
1604 u8 value[4] = { 0, 0, 0, 0 };
1605
1606 if (saddr_len == 0)
1607 saddr = 0;
1608 else if (saddr_len == 1)
1609 saddr &= 0xff;
1610
1611 /* prepare xfer_data struct */
1612 req_data.dev_addr = dev_addr >> 1;
1613 req_data.direction = I2C_M_RD;
1614 req_data.saddr_len = saddr_len;
1615 req_data.saddr_dat = saddr;
1616 req_data.buf_size = data_len;
1617 req_data.p_buffer = (u8 *) value;
1618
1619 /* usb send command */
1620 status = dev->cx231xx_send_usb_command(&dev->i2c_bus[0], &req_data);
1621
1622 if (status >= 0) {
1623 /* Copy the data read back to main buffer */
1624 if (data_len == 1)
1625 *data = value[0];
1626 else
1627 *data =
1628 value[0] | value[1] << 8 | value[2] << 16 | value[3]
1629 << 24;
1630 }
1631
1632 return status;
1633 }
1634
1635 int cx231xx_write_i2c_data(struct cx231xx *dev, u8 dev_addr, u16 saddr,
1636 u8 saddr_len, u32 data, u8 data_len)
1637 {
1638 int status = 0;
1639 u8 value[4] = { 0, 0, 0, 0 };
1640 struct cx231xx_i2c_xfer_data req_data;
1641
1642 value[0] = (u8) data;
1643 value[1] = (u8) (data >> 8);
1644 value[2] = (u8) (data >> 16);
1645 value[3] = (u8) (data >> 24);
1646
1647 if (saddr_len == 0)
1648 saddr = 0;
1649 else if (saddr_len == 1)
1650 saddr &= 0xff;
1651
1652 /* prepare xfer_data struct */
1653 req_data.dev_addr = dev_addr >> 1;
1654 req_data.direction = 0;
1655 req_data.saddr_len = saddr_len;
1656 req_data.saddr_dat = saddr;
1657 req_data.buf_size = data_len;
1658 req_data.p_buffer = value;
1659
1660 /* usb send command */
1661 status = dev->cx231xx_send_usb_command(&dev->i2c_bus[0], &req_data);
1662
1663 return status;
1664 }
1665
1666 int cx231xx_reg_mask_write(struct cx231xx *dev, u8 dev_addr, u8 size,
1667 u16 register_address, u8 bit_start, u8 bit_end,
1668 u32 value)
1669 {
1670 int status = 0;
1671 u32 tmp;
1672 u32 mask = 0;
1673 int i;
1674
1675 if (bit_start > (size - 1) || bit_end > (size - 1))
1676 return -1;
1677
1678 if (size == 8) {
1679 status =
1680 cx231xx_read_i2c_data(dev, dev_addr, register_address, 2,
1681 &tmp, 1);
1682 } else {
1683 status =
1684 cx231xx_read_i2c_data(dev, dev_addr, register_address, 2,
1685 &tmp, 4);
1686 }
1687
1688 if (status < 0)
1689 return status;
1690
1691 mask = 1 << bit_end;
1692 for (i = bit_end; i > bit_start && i > 0; i--)
1693 mask = mask + (1 << (i - 1));
1694
1695 value <<= bit_start;
1696
1697 if (size == 8) {
1698 tmp &= ~mask;
1699 tmp |= value;
1700 tmp &= 0xff;
1701 status =
1702 cx231xx_write_i2c_data(dev, dev_addr, register_address, 2,
1703 tmp, 1);
1704 } else {
1705 tmp &= ~mask;
1706 tmp |= value;
1707 status =
1708 cx231xx_write_i2c_data(dev, dev_addr, register_address, 2,
1709 tmp, 4);
1710 }
1711
1712 return status;
1713 }
1714
1715 int cx231xx_read_modify_write_i2c_dword(struct cx231xx *dev, u8 dev_addr,
1716 u16 saddr, u32 mask, u32 value)
1717 {
1718 u32 temp;
1719 int status = 0;
1720
1721 status = cx231xx_read_i2c_data(dev, dev_addr, saddr, 2, &temp, 4);
1722
1723 if (status < 0)
1724 return status;
1725
1726 temp &= ~mask;
1727 temp |= value;
1728
1729 status = cx231xx_write_i2c_data(dev, dev_addr, saddr, 2, temp, 4);
1730
1731 return status;
1732 }
1733
1734 u32 cx231xx_set_field(u32 field_mask, u32 data)
1735 {
1736 u32 temp;
1737
1738 for (temp = field_mask; (temp & 1) == 0; temp >>= 1)
1739 data <<= 1;
1740
1741 return data;
1742 }