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[mirror_ubuntu-zesty-kernel.git] / drivers / media / usb / cx231xx / cx231xx-core.c
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 "cx231xx.h"
24 #include <linux/init.h>
25 #include <linux/list.h>
26 #include <linux/module.h>
27 #include <linux/slab.h>
28 #include <linux/vmalloc.h>
29 #include <media/v4l2-common.h>
30 #include <media/tuner.h>
31
32 #include "cx231xx-reg.h"
33
34 /* #define ENABLE_DEBUG_ISOC_FRAMES */
35
36 static unsigned int core_debug;
37 module_param(core_debug, int, 0644);
38 MODULE_PARM_DESC(core_debug, "enable debug messages [core]");
39
40 #define cx231xx_coredbg(fmt, arg...) do {\
41 if (core_debug) \
42 printk(KERN_INFO "%s %s :"fmt, \
43 dev->name, __func__ , ##arg); } while (0)
44
45 static unsigned int reg_debug;
46 module_param(reg_debug, int, 0644);
47 MODULE_PARM_DESC(reg_debug, "enable debug messages [URB reg]");
48
49 static int alt = CX231XX_PINOUT;
50 module_param(alt, int, 0644);
51 MODULE_PARM_DESC(alt, "alternate setting to use for video endpoint");
52
53 #define cx231xx_isocdbg(fmt, arg...) do {\
54 if (core_debug) \
55 printk(KERN_INFO "%s %s :"fmt, \
56 dev->name, __func__ , ##arg); } while (0)
57
58 /*****************************************************************
59 * Device control list functions *
60 ******************************************************************/
61
62 LIST_HEAD(cx231xx_devlist);
63 static DEFINE_MUTEX(cx231xx_devlist_mutex);
64
65 /*
66 * cx231xx_realease_resources()
67 * unregisters the v4l2,i2c and usb devices
68 * called when the device gets disconected or at module unload
69 */
70 void cx231xx_remove_from_devlist(struct cx231xx *dev)
71 {
72 if (dev == NULL)
73 return;
74 if (dev->udev == NULL)
75 return;
76
77 if (atomic_read(&dev->devlist_count) > 0) {
78 mutex_lock(&cx231xx_devlist_mutex);
79 list_del(&dev->devlist);
80 atomic_dec(&dev->devlist_count);
81 mutex_unlock(&cx231xx_devlist_mutex);
82 }
83 };
84
85 void cx231xx_add_into_devlist(struct cx231xx *dev)
86 {
87 mutex_lock(&cx231xx_devlist_mutex);
88 list_add_tail(&dev->devlist, &cx231xx_devlist);
89 atomic_inc(&dev->devlist_count);
90 mutex_unlock(&cx231xx_devlist_mutex);
91 };
92
93 static LIST_HEAD(cx231xx_extension_devlist);
94
95 int cx231xx_register_extension(struct cx231xx_ops *ops)
96 {
97 struct cx231xx *dev = NULL;
98
99 mutex_lock(&cx231xx_devlist_mutex);
100 list_add_tail(&ops->next, &cx231xx_extension_devlist);
101 list_for_each_entry(dev, &cx231xx_devlist, devlist) {
102 ops->init(dev);
103 dev_info(dev->dev, "%s initialized\n", ops->name);
104 }
105 mutex_unlock(&cx231xx_devlist_mutex);
106 return 0;
107 }
108 EXPORT_SYMBOL(cx231xx_register_extension);
109
110 void cx231xx_unregister_extension(struct cx231xx_ops *ops)
111 {
112 struct cx231xx *dev = NULL;
113
114 mutex_lock(&cx231xx_devlist_mutex);
115 list_for_each_entry(dev, &cx231xx_devlist, devlist) {
116 ops->fini(dev);
117 dev_info(dev->dev, "%s removed\n", ops->name);
118 }
119
120 list_del(&ops->next);
121 mutex_unlock(&cx231xx_devlist_mutex);
122 }
123 EXPORT_SYMBOL(cx231xx_unregister_extension);
124
125 void cx231xx_init_extension(struct cx231xx *dev)
126 {
127 struct cx231xx_ops *ops = NULL;
128
129 mutex_lock(&cx231xx_devlist_mutex);
130 if (!list_empty(&cx231xx_extension_devlist)) {
131 list_for_each_entry(ops, &cx231xx_extension_devlist, next) {
132 if (ops->init)
133 ops->init(dev);
134 }
135 }
136 mutex_unlock(&cx231xx_devlist_mutex);
137 }
138
139 void cx231xx_close_extension(struct cx231xx *dev)
140 {
141 struct cx231xx_ops *ops = NULL;
142
143 mutex_lock(&cx231xx_devlist_mutex);
144 if (!list_empty(&cx231xx_extension_devlist)) {
145 list_for_each_entry(ops, &cx231xx_extension_devlist, next) {
146 if (ops->fini)
147 ops->fini(dev);
148 }
149 }
150 mutex_unlock(&cx231xx_devlist_mutex);
151 }
152
153 /****************************************************************
154 * U S B related functions *
155 *****************************************************************/
156 int cx231xx_send_usb_command(struct cx231xx_i2c *i2c_bus,
157 struct cx231xx_i2c_xfer_data *req_data)
158 {
159 int status = 0;
160 struct cx231xx *dev = i2c_bus->dev;
161 struct VENDOR_REQUEST_IN ven_req;
162
163 u8 saddr_len = 0;
164 u8 _i2c_period = 0;
165 u8 _i2c_nostop = 0;
166 u8 _i2c_reserve = 0;
167
168 if (dev->state & DEV_DISCONNECTED)
169 return -ENODEV;
170
171 /* Get the I2C period, nostop and reserve parameters */
172 _i2c_period = i2c_bus->i2c_period;
173 _i2c_nostop = i2c_bus->i2c_nostop;
174 _i2c_reserve = i2c_bus->i2c_reserve;
175
176 saddr_len = req_data->saddr_len;
177
178 /* Set wValue */
179 ven_req.wValue = (req_data->dev_addr << 9 | _i2c_period << 4 |
180 saddr_len << 2 | _i2c_nostop << 1 | I2C_SYNC |
181 _i2c_reserve << 6);
182
183 /* set channel number */
184 if (req_data->direction & I2C_M_RD) {
185 /* channel number, for read,spec required channel_num +4 */
186 ven_req.bRequest = i2c_bus->nr + 4;
187 } else
188 ven_req.bRequest = i2c_bus->nr; /* channel number, */
189
190 /* set index value */
191 switch (saddr_len) {
192 case 0:
193 ven_req.wIndex = 0; /* need check */
194 break;
195 case 1:
196 ven_req.wIndex = (req_data->saddr_dat & 0xff);
197 break;
198 case 2:
199 ven_req.wIndex = req_data->saddr_dat;
200 break;
201 }
202
203 /* set wLength value */
204 ven_req.wLength = req_data->buf_size;
205
206 /* set bData value */
207 ven_req.bData = 0;
208
209 /* set the direction */
210 if (req_data->direction) {
211 ven_req.direction = USB_DIR_IN;
212 memset(req_data->p_buffer, 0x00, ven_req.wLength);
213 } else
214 ven_req.direction = USB_DIR_OUT;
215
216 /* set the buffer for read / write */
217 ven_req.pBuff = req_data->p_buffer;
218
219
220 /* call common vendor command request */
221 status = cx231xx_send_vendor_cmd(dev, &ven_req);
222 if (status < 0 && !dev->i2c_scan_running) {
223 dev_err(dev->dev, "%s: failed with status -%d\n",
224 __func__, status);
225 }
226
227 return status;
228 }
229 EXPORT_SYMBOL_GPL(cx231xx_send_usb_command);
230
231 /*
232 * Sends/Receives URB control messages, assuring to use a kalloced buffer
233 * for all operations (dev->urb_buf), to avoid using stacked buffers, as
234 * they aren't safe for usage with USB, due to DMA restrictions.
235 * Also implements the debug code for control URB's.
236 */
237 static int __usb_control_msg(struct cx231xx *dev, unsigned int pipe,
238 __u8 request, __u8 requesttype, __u16 value, __u16 index,
239 void *data, __u16 size, int timeout)
240 {
241 int rc, i;
242
243 if (reg_debug) {
244 printk(KERN_DEBUG "%s: (pipe 0x%08x): "
245 "%s: %02x %02x %02x %02x %02x %02x %02x %02x ",
246 dev->name,
247 pipe,
248 (requesttype & USB_DIR_IN) ? "IN" : "OUT",
249 requesttype,
250 request,
251 value & 0xff, value >> 8,
252 index & 0xff, index >> 8,
253 size & 0xff, size >> 8);
254 if (!(requesttype & USB_DIR_IN)) {
255 printk(KERN_CONT ">>>");
256 for (i = 0; i < size; i++)
257 printk(KERN_CONT " %02x",
258 ((unsigned char *)data)[i]);
259 }
260 }
261
262 /* Do the real call to usb_control_msg */
263 mutex_lock(&dev->ctrl_urb_lock);
264 if (!(requesttype & USB_DIR_IN) && size)
265 memcpy(dev->urb_buf, data, size);
266 rc = usb_control_msg(dev->udev, pipe, request, requesttype, value,
267 index, dev->urb_buf, size, timeout);
268 if ((requesttype & USB_DIR_IN) && size)
269 memcpy(data, dev->urb_buf, size);
270 mutex_unlock(&dev->ctrl_urb_lock);
271
272 if (reg_debug) {
273 if (unlikely(rc < 0)) {
274 printk(KERN_CONT "FAILED!\n");
275 return rc;
276 }
277
278 if ((requesttype & USB_DIR_IN)) {
279 printk(KERN_CONT "<<<");
280 for (i = 0; i < size; i++)
281 printk(KERN_CONT " %02x",
282 ((unsigned char *)data)[i]);
283 }
284 printk(KERN_CONT "\n");
285 }
286
287 return rc;
288 }
289
290
291 /*
292 * cx231xx_read_ctrl_reg()
293 * reads data from the usb device specifying bRequest and wValue
294 */
295 int cx231xx_read_ctrl_reg(struct cx231xx *dev, u8 req, u16 reg,
296 char *buf, int len)
297 {
298 u8 val = 0;
299 int ret;
300 int pipe = usb_rcvctrlpipe(dev->udev, 0);
301
302 if (dev->state & DEV_DISCONNECTED)
303 return -ENODEV;
304
305 if (len > URB_MAX_CTRL_SIZE)
306 return -EINVAL;
307
308 switch (len) {
309 case 1:
310 val = ENABLE_ONE_BYTE;
311 break;
312 case 2:
313 val = ENABLE_TWE_BYTE;
314 break;
315 case 3:
316 val = ENABLE_THREE_BYTE;
317 break;
318 case 4:
319 val = ENABLE_FOUR_BYTE;
320 break;
321 default:
322 val = 0xFF; /* invalid option */
323 }
324
325 if (val == 0xFF)
326 return -EINVAL;
327
328 ret = __usb_control_msg(dev, pipe, req,
329 USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
330 val, reg, buf, len, HZ);
331 return ret;
332 }
333
334 int cx231xx_send_vendor_cmd(struct cx231xx *dev,
335 struct VENDOR_REQUEST_IN *ven_req)
336 {
337 int ret;
338 int pipe = 0;
339 int unsend_size = 0;
340 u8 *pdata;
341
342 if (dev->state & DEV_DISCONNECTED)
343 return -ENODEV;
344
345 if ((ven_req->wLength > URB_MAX_CTRL_SIZE))
346 return -EINVAL;
347
348 if (ven_req->direction)
349 pipe = usb_rcvctrlpipe(dev->udev, 0);
350 else
351 pipe = usb_sndctrlpipe(dev->udev, 0);
352
353 /*
354 * If the cx23102 read more than 4 bytes with i2c bus,
355 * need chop to 4 byte per request
356 */
357 if ((ven_req->wLength > 4) && ((ven_req->bRequest == 0x4) ||
358 (ven_req->bRequest == 0x5) ||
359 (ven_req->bRequest == 0x6))) {
360 unsend_size = 0;
361 pdata = ven_req->pBuff;
362
363
364 unsend_size = ven_req->wLength;
365
366 /* the first package */
367 ven_req->wValue = ven_req->wValue & 0xFFFB;
368 ven_req->wValue = (ven_req->wValue & 0xFFBD) | 0x2;
369 ret = __usb_control_msg(dev, pipe, ven_req->bRequest,
370 ven_req->direction | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
371 ven_req->wValue, ven_req->wIndex, pdata,
372 0x0004, HZ);
373 unsend_size = unsend_size - 4;
374
375 /* the middle package */
376 ven_req->wValue = (ven_req->wValue & 0xFFBD) | 0x42;
377 while (unsend_size - 4 > 0) {
378 pdata = pdata + 4;
379 ret = __usb_control_msg(dev, pipe,
380 ven_req->bRequest,
381 ven_req->direction | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
382 ven_req->wValue, ven_req->wIndex, pdata,
383 0x0004, HZ);
384 unsend_size = unsend_size - 4;
385 }
386
387 /* the last package */
388 ven_req->wValue = (ven_req->wValue & 0xFFBD) | 0x40;
389 pdata = pdata + 4;
390 ret = __usb_control_msg(dev, pipe, ven_req->bRequest,
391 ven_req->direction | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
392 ven_req->wValue, ven_req->wIndex, pdata,
393 unsend_size, HZ);
394 } else {
395 ret = __usb_control_msg(dev, pipe, ven_req->bRequest,
396 ven_req->direction | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
397 ven_req->wValue, ven_req->wIndex,
398 ven_req->pBuff, ven_req->wLength, HZ);
399 }
400
401 return ret;
402 }
403
404 /*
405 * cx231xx_write_ctrl_reg()
406 * sends data to the usb device, specifying bRequest
407 */
408 int cx231xx_write_ctrl_reg(struct cx231xx *dev, u8 req, u16 reg, char *buf,
409 int len)
410 {
411 u8 val = 0;
412 int ret;
413 int pipe = usb_sndctrlpipe(dev->udev, 0);
414
415 if (dev->state & DEV_DISCONNECTED)
416 return -ENODEV;
417
418 if ((len < 1) || (len > URB_MAX_CTRL_SIZE))
419 return -EINVAL;
420
421 switch (len) {
422 case 1:
423 val = ENABLE_ONE_BYTE;
424 break;
425 case 2:
426 val = ENABLE_TWE_BYTE;
427 break;
428 case 3:
429 val = ENABLE_THREE_BYTE;
430 break;
431 case 4:
432 val = ENABLE_FOUR_BYTE;
433 break;
434 default:
435 val = 0xFF; /* invalid option */
436 }
437
438 if (val == 0xFF)
439 return -EINVAL;
440
441 if (reg_debug) {
442 int byte;
443
444 cx231xx_isocdbg("(pipe 0x%08x): "
445 "OUT: %02x %02x %02x %02x %02x %02x %02x %02x >>>",
446 pipe,
447 USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
448 req, 0, val, reg & 0xff,
449 reg >> 8, len & 0xff, len >> 8);
450
451 for (byte = 0; byte < len; byte++)
452 cx231xx_isocdbg(" %02x", (unsigned char)buf[byte]);
453 cx231xx_isocdbg("\n");
454 }
455
456 ret = __usb_control_msg(dev, pipe, req,
457 USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
458 val, reg, buf, len, HZ);
459
460 return ret;
461 }
462
463 /****************************************************************
464 * USB Alternate Setting functions *
465 *****************************************************************/
466
467 int cx231xx_set_video_alternate(struct cx231xx *dev)
468 {
469 int errCode, prev_alt = dev->video_mode.alt;
470 unsigned int min_pkt_size = dev->width * 2 + 4;
471 u32 usb_interface_index = 0;
472
473 /* When image size is bigger than a certain value,
474 the frame size should be increased, otherwise, only
475 green screen will be received.
476 */
477 if (dev->width * 2 * dev->height > 720 * 240 * 2)
478 min_pkt_size *= 2;
479
480 if (dev->width > 360) {
481 /* resolutions: 720,704,640 */
482 dev->video_mode.alt = 3;
483 } else if (dev->width > 180) {
484 /* resolutions: 360,352,320,240 */
485 dev->video_mode.alt = 2;
486 } else if (dev->width > 0) {
487 /* resolutions: 180,176,160,128,88 */
488 dev->video_mode.alt = 1;
489 } else {
490 /* Change to alt0 BULK to release USB bandwidth */
491 dev->video_mode.alt = 0;
492 }
493
494 if (dev->USE_ISO == 0)
495 dev->video_mode.alt = 0;
496
497 cx231xx_coredbg("dev->video_mode.alt= %d\n", dev->video_mode.alt);
498
499 /* Get the correct video interface Index */
500 usb_interface_index =
501 dev->current_pcb_config.hs_config_info[0].interface_info.
502 video_index + 1;
503
504 if (dev->video_mode.alt != prev_alt) {
505 cx231xx_coredbg("minimum isoc packet size: %u (alt=%d)\n",
506 min_pkt_size, dev->video_mode.alt);
507
508 if (dev->video_mode.alt_max_pkt_size != NULL)
509 dev->video_mode.max_pkt_size =
510 dev->video_mode.alt_max_pkt_size[dev->video_mode.alt];
511 cx231xx_coredbg("setting alternate %d with wMaxPacketSize=%u\n",
512 dev->video_mode.alt,
513 dev->video_mode.max_pkt_size);
514 errCode =
515 usb_set_interface(dev->udev, usb_interface_index,
516 dev->video_mode.alt);
517 if (errCode < 0) {
518 dev_err(dev->dev,
519 "cannot change alt number to %d (error=%i)\n",
520 dev->video_mode.alt, errCode);
521 return errCode;
522 }
523 }
524 return 0;
525 }
526
527 int cx231xx_set_alt_setting(struct cx231xx *dev, u8 index, u8 alt)
528 {
529 int status = 0;
530 u32 usb_interface_index = 0;
531 u32 max_pkt_size = 0;
532
533 switch (index) {
534 case INDEX_TS1:
535 usb_interface_index =
536 dev->current_pcb_config.hs_config_info[0].interface_info.
537 ts1_index + 1;
538 dev->ts1_mode.alt = alt;
539 if (dev->ts1_mode.alt_max_pkt_size != NULL)
540 max_pkt_size = dev->ts1_mode.max_pkt_size =
541 dev->ts1_mode.alt_max_pkt_size[dev->ts1_mode.alt];
542 break;
543 case INDEX_TS2:
544 usb_interface_index =
545 dev->current_pcb_config.hs_config_info[0].interface_info.
546 ts2_index + 1;
547 break;
548 case INDEX_AUDIO:
549 usb_interface_index =
550 dev->current_pcb_config.hs_config_info[0].interface_info.
551 audio_index + 1;
552 dev->adev.alt = alt;
553 if (dev->adev.alt_max_pkt_size != NULL)
554 max_pkt_size = dev->adev.max_pkt_size =
555 dev->adev.alt_max_pkt_size[dev->adev.alt];
556 break;
557 case INDEX_VIDEO:
558 usb_interface_index =
559 dev->current_pcb_config.hs_config_info[0].interface_info.
560 video_index + 1;
561 dev->video_mode.alt = alt;
562 if (dev->video_mode.alt_max_pkt_size != NULL)
563 max_pkt_size = dev->video_mode.max_pkt_size =
564 dev->video_mode.alt_max_pkt_size[dev->video_mode.
565 alt];
566 break;
567 case INDEX_VANC:
568 if (dev->board.no_alt_vanc)
569 return 0;
570 usb_interface_index =
571 dev->current_pcb_config.hs_config_info[0].interface_info.
572 vanc_index + 1;
573 dev->vbi_mode.alt = alt;
574 if (dev->vbi_mode.alt_max_pkt_size != NULL)
575 max_pkt_size = dev->vbi_mode.max_pkt_size =
576 dev->vbi_mode.alt_max_pkt_size[dev->vbi_mode.alt];
577 break;
578 case INDEX_HANC:
579 usb_interface_index =
580 dev->current_pcb_config.hs_config_info[0].interface_info.
581 hanc_index + 1;
582 dev->sliced_cc_mode.alt = alt;
583 if (dev->sliced_cc_mode.alt_max_pkt_size != NULL)
584 max_pkt_size = dev->sliced_cc_mode.max_pkt_size =
585 dev->sliced_cc_mode.alt_max_pkt_size[dev->
586 sliced_cc_mode.
587 alt];
588 break;
589 default:
590 break;
591 }
592
593 if (alt > 0 && max_pkt_size == 0) {
594 dev_err(dev->dev,
595 "can't change interface %d alt no. to %d: Max. Pkt size = 0\n",
596 usb_interface_index, alt);
597 /*To workaround error number=-71 on EP0 for videograbber,
598 need add following codes.*/
599 if (dev->board.no_alt_vanc)
600 return -1;
601 }
602
603 cx231xx_coredbg("setting alternate %d with wMaxPacketSize=%u,"
604 "Interface = %d\n", alt, max_pkt_size,
605 usb_interface_index);
606
607 if (usb_interface_index > 0) {
608 status = usb_set_interface(dev->udev, usb_interface_index, alt);
609 if (status < 0) {
610 dev_err(dev->dev,
611 "can't change interface %d alt no. to %d (err=%i)\n",
612 usb_interface_index, alt, status);
613 return status;
614 }
615 }
616
617 return status;
618 }
619 EXPORT_SYMBOL_GPL(cx231xx_set_alt_setting);
620
621 int cx231xx_gpio_set(struct cx231xx *dev, struct cx231xx_reg_seq *gpio)
622 {
623 int rc = 0;
624
625 if (!gpio)
626 return rc;
627
628 /* Send GPIO reset sequences specified at board entry */
629 while (gpio->sleep >= 0) {
630 rc = cx231xx_set_gpio_value(dev, gpio->bit, gpio->val);
631 if (rc < 0)
632 return rc;
633
634 if (gpio->sleep > 0)
635 msleep(gpio->sleep);
636
637 gpio++;
638 }
639 return rc;
640 }
641
642 int cx231xx_demod_reset(struct cx231xx *dev)
643 {
644
645 u8 status = 0;
646 u8 value[4] = { 0, 0, 0, 0 };
647
648 status = cx231xx_read_ctrl_reg(dev, VRT_GET_REGISTER, PWR_CTL_EN,
649 value, 4);
650
651 cx231xx_coredbg("reg0x%x=0x%x 0x%x 0x%x 0x%x\n", PWR_CTL_EN,
652 value[0], value[1], value[2], value[3]);
653
654 cx231xx_coredbg("Enter cx231xx_demod_reset()\n");
655
656 value[1] = (u8) 0x3;
657 status = cx231xx_write_ctrl_reg(dev, VRT_SET_REGISTER,
658 PWR_CTL_EN, value, 4);
659 msleep(10);
660
661 value[1] = (u8) 0x0;
662 status = cx231xx_write_ctrl_reg(dev, VRT_SET_REGISTER,
663 PWR_CTL_EN, value, 4);
664 msleep(10);
665
666 value[1] = (u8) 0x3;
667 status = cx231xx_write_ctrl_reg(dev, VRT_SET_REGISTER,
668 PWR_CTL_EN, value, 4);
669 msleep(10);
670
671 status = cx231xx_read_ctrl_reg(dev, VRT_GET_REGISTER, PWR_CTL_EN,
672 value, 4);
673
674 cx231xx_coredbg("reg0x%x=0x%x 0x%x 0x%x 0x%x\n", PWR_CTL_EN,
675 value[0], value[1], value[2], value[3]);
676
677 return status;
678 }
679 EXPORT_SYMBOL_GPL(cx231xx_demod_reset);
680 int is_fw_load(struct cx231xx *dev)
681 {
682 return cx231xx_check_fw(dev);
683 }
684 EXPORT_SYMBOL_GPL(is_fw_load);
685
686 int cx231xx_set_mode(struct cx231xx *dev, enum cx231xx_mode set_mode)
687 {
688 int errCode = 0;
689
690 if (dev->mode == set_mode)
691 return 0;
692
693 if (set_mode == CX231XX_SUSPEND) {
694 /* Set the chip in power saving mode */
695 dev->mode = set_mode;
696 }
697
698 /* Resource is locked */
699 if (dev->mode != CX231XX_SUSPEND)
700 return -EINVAL;
701
702 dev->mode = set_mode;
703
704 if (dev->mode == CX231XX_DIGITAL_MODE)/* Set Digital power mode */ {
705 /* set AGC mode to Digital */
706 switch (dev->model) {
707 case CX231XX_BOARD_CNXT_CARRAERA:
708 case CX231XX_BOARD_CNXT_RDE_250:
709 case CX231XX_BOARD_CNXT_SHELBY:
710 case CX231XX_BOARD_CNXT_RDU_250:
711 errCode = cx231xx_set_agc_analog_digital_mux_select(dev, 0);
712 break;
713 case CX231XX_BOARD_CNXT_RDE_253S:
714 case CX231XX_BOARD_CNXT_RDU_253S:
715 case CX231XX_BOARD_PV_PLAYTV_USB_HYBRID:
716 errCode = cx231xx_set_agc_analog_digital_mux_select(dev, 1);
717 break;
718 case CX231XX_BOARD_HAUPPAUGE_EXETER:
719 case CX231XX_BOARD_HAUPPAUGE_930C_HD_1113xx:
720 errCode = cx231xx_set_power_mode(dev,
721 POLARIS_AVMODE_DIGITAL);
722 break;
723 default:
724 break;
725 }
726 } else/* Set Analog Power mode */ {
727 /* set AGC mode to Analog */
728 switch (dev->model) {
729 case CX231XX_BOARD_CNXT_CARRAERA:
730 case CX231XX_BOARD_CNXT_RDE_250:
731 case CX231XX_BOARD_CNXT_SHELBY:
732 case CX231XX_BOARD_CNXT_RDU_250:
733 errCode = cx231xx_set_agc_analog_digital_mux_select(dev, 1);
734 break;
735 case CX231XX_BOARD_CNXT_RDE_253S:
736 case CX231XX_BOARD_CNXT_RDU_253S:
737 case CX231XX_BOARD_HAUPPAUGE_EXETER:
738 case CX231XX_BOARD_HAUPPAUGE_930C_HD_1113xx:
739 case CX231XX_BOARD_PV_PLAYTV_USB_HYBRID:
740 case CX231XX_BOARD_HAUPPAUGE_USB2_FM_PAL:
741 case CX231XX_BOARD_HAUPPAUGE_USB2_FM_NTSC:
742 errCode = cx231xx_set_agc_analog_digital_mux_select(dev, 0);
743 break;
744 default:
745 break;
746 }
747 }
748
749 return errCode ? -EINVAL : 0;
750 }
751 EXPORT_SYMBOL_GPL(cx231xx_set_mode);
752
753 int cx231xx_ep5_bulkout(struct cx231xx *dev, u8 *firmware, u16 size)
754 {
755 int errCode = 0;
756 int actlen, ret = -ENOMEM;
757 u32 *buffer;
758
759 buffer = kzalloc(4096, GFP_KERNEL);
760 if (buffer == NULL)
761 return -ENOMEM;
762 memcpy(&buffer[0], firmware, 4096);
763
764 ret = usb_bulk_msg(dev->udev, usb_sndbulkpipe(dev->udev, 5),
765 buffer, 4096, &actlen, 2000);
766
767 if (ret)
768 dev_err(dev->dev,
769 "bulk message failed: %d (%d/%d)", ret,
770 size, actlen);
771 else {
772 errCode = actlen != size ? -1 : 0;
773 }
774 kfree(buffer);
775 return errCode;
776 }
777
778 /*****************************************************************
779 * URB Streaming functions *
780 ******************************************************************/
781
782 /*
783 * IRQ callback, called by URB callback
784 */
785 static void cx231xx_isoc_irq_callback(struct urb *urb)
786 {
787 struct cx231xx_dmaqueue *dma_q = urb->context;
788 struct cx231xx_video_mode *vmode =
789 container_of(dma_q, struct cx231xx_video_mode, vidq);
790 struct cx231xx *dev = container_of(vmode, struct cx231xx, video_mode);
791 int i;
792
793 switch (urb->status) {
794 case 0: /* success */
795 case -ETIMEDOUT: /* NAK */
796 break;
797 case -ECONNRESET: /* kill */
798 case -ENOENT:
799 case -ESHUTDOWN:
800 return;
801 default: /* error */
802 cx231xx_isocdbg("urb completition error %d.\n", urb->status);
803 break;
804 }
805
806 /* Copy data from URB */
807 spin_lock(&dev->video_mode.slock);
808 dev->video_mode.isoc_ctl.isoc_copy(dev, urb);
809 spin_unlock(&dev->video_mode.slock);
810
811 /* Reset urb buffers */
812 for (i = 0; i < urb->number_of_packets; i++) {
813 urb->iso_frame_desc[i].status = 0;
814 urb->iso_frame_desc[i].actual_length = 0;
815 }
816
817 urb->status = usb_submit_urb(urb, GFP_ATOMIC);
818 if (urb->status) {
819 cx231xx_isocdbg("urb resubmit failed (error=%i)\n",
820 urb->status);
821 }
822 }
823 /*****************************************************************
824 * URB Streaming functions *
825 ******************************************************************/
826
827 /*
828 * IRQ callback, called by URB callback
829 */
830 static void cx231xx_bulk_irq_callback(struct urb *urb)
831 {
832 struct cx231xx_dmaqueue *dma_q = urb->context;
833 struct cx231xx_video_mode *vmode =
834 container_of(dma_q, struct cx231xx_video_mode, vidq);
835 struct cx231xx *dev = container_of(vmode, struct cx231xx, video_mode);
836
837 switch (urb->status) {
838 case 0: /* success */
839 case -ETIMEDOUT: /* NAK */
840 break;
841 case -ECONNRESET: /* kill */
842 case -ENOENT:
843 case -ESHUTDOWN:
844 return;
845 default: /* error */
846 cx231xx_isocdbg("urb completition error %d.\n", urb->status);
847 break;
848 }
849
850 /* Copy data from URB */
851 spin_lock(&dev->video_mode.slock);
852 dev->video_mode.bulk_ctl.bulk_copy(dev, urb);
853 spin_unlock(&dev->video_mode.slock);
854
855 /* Reset urb buffers */
856 urb->status = usb_submit_urb(urb, GFP_ATOMIC);
857 if (urb->status) {
858 cx231xx_isocdbg("urb resubmit failed (error=%i)\n",
859 urb->status);
860 }
861 }
862 /*
863 * Stop and Deallocate URBs
864 */
865 void cx231xx_uninit_isoc(struct cx231xx *dev)
866 {
867 struct cx231xx_dmaqueue *dma_q = &dev->video_mode.vidq;
868 struct urb *urb;
869 int i;
870
871 cx231xx_isocdbg("cx231xx: called cx231xx_uninit_isoc\n");
872
873 dev->video_mode.isoc_ctl.nfields = -1;
874 for (i = 0; i < dev->video_mode.isoc_ctl.num_bufs; i++) {
875 urb = dev->video_mode.isoc_ctl.urb[i];
876 if (urb) {
877 if (!irqs_disabled())
878 usb_kill_urb(urb);
879 else
880 usb_unlink_urb(urb);
881
882 if (dev->video_mode.isoc_ctl.transfer_buffer[i]) {
883 usb_free_coherent(dev->udev,
884 urb->transfer_buffer_length,
885 dev->video_mode.isoc_ctl.
886 transfer_buffer[i],
887 urb->transfer_dma);
888 }
889 usb_free_urb(urb);
890 dev->video_mode.isoc_ctl.urb[i] = NULL;
891 }
892 dev->video_mode.isoc_ctl.transfer_buffer[i] = NULL;
893 }
894
895 kfree(dev->video_mode.isoc_ctl.urb);
896 kfree(dev->video_mode.isoc_ctl.transfer_buffer);
897 kfree(dma_q->p_left_data);
898
899 dev->video_mode.isoc_ctl.urb = NULL;
900 dev->video_mode.isoc_ctl.transfer_buffer = NULL;
901 dev->video_mode.isoc_ctl.num_bufs = 0;
902 dma_q->p_left_data = NULL;
903
904 if (dev->mode_tv == 0)
905 cx231xx_capture_start(dev, 0, Raw_Video);
906 else
907 cx231xx_capture_start(dev, 0, TS1_serial_mode);
908
909
910 }
911 EXPORT_SYMBOL_GPL(cx231xx_uninit_isoc);
912
913 /*
914 * Stop and Deallocate URBs
915 */
916 void cx231xx_uninit_bulk(struct cx231xx *dev)
917 {
918 struct urb *urb;
919 int i;
920
921 cx231xx_isocdbg("cx231xx: called cx231xx_uninit_bulk\n");
922
923 dev->video_mode.bulk_ctl.nfields = -1;
924 for (i = 0; i < dev->video_mode.bulk_ctl.num_bufs; i++) {
925 urb = dev->video_mode.bulk_ctl.urb[i];
926 if (urb) {
927 if (!irqs_disabled())
928 usb_kill_urb(urb);
929 else
930 usb_unlink_urb(urb);
931
932 if (dev->video_mode.bulk_ctl.transfer_buffer[i]) {
933 usb_free_coherent(dev->udev,
934 urb->transfer_buffer_length,
935 dev->video_mode.isoc_ctl.
936 transfer_buffer[i],
937 urb->transfer_dma);
938 }
939 usb_free_urb(urb);
940 dev->video_mode.bulk_ctl.urb[i] = NULL;
941 }
942 dev->video_mode.bulk_ctl.transfer_buffer[i] = NULL;
943 }
944
945 kfree(dev->video_mode.bulk_ctl.urb);
946 kfree(dev->video_mode.bulk_ctl.transfer_buffer);
947
948 dev->video_mode.bulk_ctl.urb = NULL;
949 dev->video_mode.bulk_ctl.transfer_buffer = NULL;
950 dev->video_mode.bulk_ctl.num_bufs = 0;
951
952 if (dev->mode_tv == 0)
953 cx231xx_capture_start(dev, 0, Raw_Video);
954 else
955 cx231xx_capture_start(dev, 0, TS1_serial_mode);
956
957
958 }
959 EXPORT_SYMBOL_GPL(cx231xx_uninit_bulk);
960
961 /*
962 * Allocate URBs and start IRQ
963 */
964 int cx231xx_init_isoc(struct cx231xx *dev, int max_packets,
965 int num_bufs, int max_pkt_size,
966 int (*isoc_copy) (struct cx231xx *dev, struct urb *urb))
967 {
968 struct cx231xx_dmaqueue *dma_q = &dev->video_mode.vidq;
969 int i;
970 int sb_size, pipe;
971 struct urb *urb;
972 int j, k;
973 int rc;
974
975 /* De-allocates all pending stuff */
976 cx231xx_uninit_isoc(dev);
977
978 dma_q->p_left_data = kzalloc(4096, GFP_KERNEL);
979 if (dma_q->p_left_data == NULL)
980 return -ENOMEM;
981
982 dev->video_mode.isoc_ctl.isoc_copy = isoc_copy;
983 dev->video_mode.isoc_ctl.num_bufs = num_bufs;
984 dma_q->pos = 0;
985 dma_q->is_partial_line = 0;
986 dma_q->last_sav = 0;
987 dma_q->current_field = -1;
988 dma_q->field1_done = 0;
989 dma_q->lines_per_field = dev->height / 2;
990 dma_q->bytes_left_in_line = dev->width << 1;
991 dma_q->lines_completed = 0;
992 dma_q->mpeg_buffer_done = 0;
993 dma_q->left_data_count = 0;
994 dma_q->mpeg_buffer_completed = 0;
995 dma_q->add_ps_package_head = CX231XX_NEED_ADD_PS_PACKAGE_HEAD;
996 dma_q->ps_head[0] = 0x00;
997 dma_q->ps_head[1] = 0x00;
998 dma_q->ps_head[2] = 0x01;
999 dma_q->ps_head[3] = 0xBA;
1000 for (i = 0; i < 8; i++)
1001 dma_q->partial_buf[i] = 0;
1002
1003 dev->video_mode.isoc_ctl.urb =
1004 kzalloc(sizeof(void *) * num_bufs, GFP_KERNEL);
1005 if (!dev->video_mode.isoc_ctl.urb) {
1006 dev_err(dev->dev,
1007 "cannot alloc memory for usb buffers\n");
1008 return -ENOMEM;
1009 }
1010
1011 dev->video_mode.isoc_ctl.transfer_buffer =
1012 kzalloc(sizeof(void *) * num_bufs, GFP_KERNEL);
1013 if (!dev->video_mode.isoc_ctl.transfer_buffer) {
1014 dev_err(dev->dev,
1015 "cannot allocate memory for usbtransfer\n");
1016 kfree(dev->video_mode.isoc_ctl.urb);
1017 return -ENOMEM;
1018 }
1019
1020 dev->video_mode.isoc_ctl.max_pkt_size = max_pkt_size;
1021 dev->video_mode.isoc_ctl.buf = NULL;
1022
1023 sb_size = max_packets * dev->video_mode.isoc_ctl.max_pkt_size;
1024
1025 if (dev->mode_tv == 1)
1026 dev->video_mode.end_point_addr = 0x81;
1027 else
1028 dev->video_mode.end_point_addr = 0x84;
1029
1030
1031 /* allocate urbs and transfer buffers */
1032 for (i = 0; i < dev->video_mode.isoc_ctl.num_bufs; i++) {
1033 urb = usb_alloc_urb(max_packets, GFP_KERNEL);
1034 if (!urb) {
1035 dev_err(dev->dev,
1036 "cannot alloc isoc_ctl.urb %i\n", i);
1037 cx231xx_uninit_isoc(dev);
1038 return -ENOMEM;
1039 }
1040 dev->video_mode.isoc_ctl.urb[i] = urb;
1041
1042 dev->video_mode.isoc_ctl.transfer_buffer[i] =
1043 usb_alloc_coherent(dev->udev, sb_size, GFP_KERNEL,
1044 &urb->transfer_dma);
1045 if (!dev->video_mode.isoc_ctl.transfer_buffer[i]) {
1046 dev_err(dev->dev,
1047 "unable to allocate %i bytes for transfer buffer %i%s\n",
1048 sb_size, i,
1049 in_interrupt() ? " while in int" : "");
1050 cx231xx_uninit_isoc(dev);
1051 return -ENOMEM;
1052 }
1053 memset(dev->video_mode.isoc_ctl.transfer_buffer[i], 0, sb_size);
1054
1055 pipe =
1056 usb_rcvisocpipe(dev->udev, dev->video_mode.end_point_addr);
1057
1058 usb_fill_int_urb(urb, dev->udev, pipe,
1059 dev->video_mode.isoc_ctl.transfer_buffer[i],
1060 sb_size, cx231xx_isoc_irq_callback, dma_q, 1);
1061
1062 urb->number_of_packets = max_packets;
1063 urb->transfer_flags = URB_ISO_ASAP | URB_NO_TRANSFER_DMA_MAP;
1064
1065 k = 0;
1066 for (j = 0; j < max_packets; j++) {
1067 urb->iso_frame_desc[j].offset = k;
1068 urb->iso_frame_desc[j].length =
1069 dev->video_mode.isoc_ctl.max_pkt_size;
1070 k += dev->video_mode.isoc_ctl.max_pkt_size;
1071 }
1072 }
1073
1074 init_waitqueue_head(&dma_q->wq);
1075
1076 /* submit urbs and enables IRQ */
1077 for (i = 0; i < dev->video_mode.isoc_ctl.num_bufs; i++) {
1078 rc = usb_submit_urb(dev->video_mode.isoc_ctl.urb[i],
1079 GFP_ATOMIC);
1080 if (rc) {
1081 dev_err(dev->dev,
1082 "submit of urb %i failed (error=%i)\n", i,
1083 rc);
1084 cx231xx_uninit_isoc(dev);
1085 return rc;
1086 }
1087 }
1088
1089 if (dev->mode_tv == 0)
1090 cx231xx_capture_start(dev, 1, Raw_Video);
1091 else
1092 cx231xx_capture_start(dev, 1, TS1_serial_mode);
1093
1094 return 0;
1095 }
1096 EXPORT_SYMBOL_GPL(cx231xx_init_isoc);
1097
1098 /*
1099 * Allocate URBs and start IRQ
1100 */
1101 int cx231xx_init_bulk(struct cx231xx *dev, int max_packets,
1102 int num_bufs, int max_pkt_size,
1103 int (*bulk_copy) (struct cx231xx *dev, struct urb *urb))
1104 {
1105 struct cx231xx_dmaqueue *dma_q = &dev->video_mode.vidq;
1106 int i;
1107 int sb_size, pipe;
1108 struct urb *urb;
1109 int rc;
1110
1111 dev->video_input = dev->video_input > 2 ? 2 : dev->video_input;
1112
1113 cx231xx_coredbg("Setting Video mux to %d\n", dev->video_input);
1114
1115 video_mux(dev, dev->video_input);
1116
1117 /* De-allocates all pending stuff */
1118 cx231xx_uninit_bulk(dev);
1119
1120 dev->video_mode.bulk_ctl.bulk_copy = bulk_copy;
1121 dev->video_mode.bulk_ctl.num_bufs = num_bufs;
1122 dma_q->pos = 0;
1123 dma_q->is_partial_line = 0;
1124 dma_q->last_sav = 0;
1125 dma_q->current_field = -1;
1126 dma_q->field1_done = 0;
1127 dma_q->lines_per_field = dev->height / 2;
1128 dma_q->bytes_left_in_line = dev->width << 1;
1129 dma_q->lines_completed = 0;
1130 dma_q->mpeg_buffer_done = 0;
1131 dma_q->left_data_count = 0;
1132 dma_q->mpeg_buffer_completed = 0;
1133 dma_q->ps_head[0] = 0x00;
1134 dma_q->ps_head[1] = 0x00;
1135 dma_q->ps_head[2] = 0x01;
1136 dma_q->ps_head[3] = 0xBA;
1137 for (i = 0; i < 8; i++)
1138 dma_q->partial_buf[i] = 0;
1139
1140 dev->video_mode.bulk_ctl.urb =
1141 kzalloc(sizeof(void *) * num_bufs, GFP_KERNEL);
1142 if (!dev->video_mode.bulk_ctl.urb) {
1143 dev_err(dev->dev,
1144 "cannot alloc memory for usb buffers\n");
1145 return -ENOMEM;
1146 }
1147
1148 dev->video_mode.bulk_ctl.transfer_buffer =
1149 kzalloc(sizeof(void *) * num_bufs, GFP_KERNEL);
1150 if (!dev->video_mode.bulk_ctl.transfer_buffer) {
1151 dev_err(dev->dev,
1152 "cannot allocate memory for usbtransfer\n");
1153 kfree(dev->video_mode.bulk_ctl.urb);
1154 return -ENOMEM;
1155 }
1156
1157 dev->video_mode.bulk_ctl.max_pkt_size = max_pkt_size;
1158 dev->video_mode.bulk_ctl.buf = NULL;
1159
1160 sb_size = max_packets * dev->video_mode.bulk_ctl.max_pkt_size;
1161
1162 if (dev->mode_tv == 1)
1163 dev->video_mode.end_point_addr = 0x81;
1164 else
1165 dev->video_mode.end_point_addr = 0x84;
1166
1167
1168 /* allocate urbs and transfer buffers */
1169 for (i = 0; i < dev->video_mode.bulk_ctl.num_bufs; i++) {
1170 urb = usb_alloc_urb(0, GFP_KERNEL);
1171 if (!urb) {
1172 dev_err(dev->dev,
1173 "cannot alloc bulk_ctl.urb %i\n", i);
1174 cx231xx_uninit_bulk(dev);
1175 return -ENOMEM;
1176 }
1177 dev->video_mode.bulk_ctl.urb[i] = urb;
1178 urb->transfer_flags = URB_NO_TRANSFER_DMA_MAP;
1179
1180 dev->video_mode.bulk_ctl.transfer_buffer[i] =
1181 usb_alloc_coherent(dev->udev, sb_size, GFP_KERNEL,
1182 &urb->transfer_dma);
1183 if (!dev->video_mode.bulk_ctl.transfer_buffer[i]) {
1184 dev_err(dev->dev,
1185 "unable to allocate %i bytes for transfer buffer %i%s\n",
1186 sb_size, i,
1187 in_interrupt() ? " while in int" : "");
1188 cx231xx_uninit_bulk(dev);
1189 return -ENOMEM;
1190 }
1191 memset(dev->video_mode.bulk_ctl.transfer_buffer[i], 0, sb_size);
1192
1193 pipe = usb_rcvbulkpipe(dev->udev,
1194 dev->video_mode.end_point_addr);
1195 usb_fill_bulk_urb(urb, dev->udev, pipe,
1196 dev->video_mode.bulk_ctl.transfer_buffer[i],
1197 sb_size, cx231xx_bulk_irq_callback, dma_q);
1198 }
1199
1200 init_waitqueue_head(&dma_q->wq);
1201
1202 /* submit urbs and enables IRQ */
1203 for (i = 0; i < dev->video_mode.bulk_ctl.num_bufs; i++) {
1204 rc = usb_submit_urb(dev->video_mode.bulk_ctl.urb[i],
1205 GFP_ATOMIC);
1206 if (rc) {
1207 dev_err(dev->dev,
1208 "submit of urb %i failed (error=%i)\n", i, rc);
1209 cx231xx_uninit_bulk(dev);
1210 return rc;
1211 }
1212 }
1213
1214 if (dev->mode_tv == 0)
1215 cx231xx_capture_start(dev, 1, Raw_Video);
1216 else
1217 cx231xx_capture_start(dev, 1, TS1_serial_mode);
1218
1219 return 0;
1220 }
1221 EXPORT_SYMBOL_GPL(cx231xx_init_bulk);
1222 void cx231xx_stop_TS1(struct cx231xx *dev)
1223 {
1224 u8 val[4] = { 0, 0, 0, 0 };
1225
1226 val[0] = 0x00;
1227 val[1] = 0x03;
1228 val[2] = 0x00;
1229 val[3] = 0x00;
1230 cx231xx_write_ctrl_reg(dev, VRT_SET_REGISTER,
1231 TS_MODE_REG, val, 4);
1232
1233 val[0] = 0x00;
1234 val[1] = 0x70;
1235 val[2] = 0x04;
1236 val[3] = 0x00;
1237 cx231xx_write_ctrl_reg(dev, VRT_SET_REGISTER,
1238 TS1_CFG_REG, val, 4);
1239 }
1240 /* EXPORT_SYMBOL_GPL(cx231xx_stop_TS1); */
1241 void cx231xx_start_TS1(struct cx231xx *dev)
1242 {
1243 u8 val[4] = { 0, 0, 0, 0 };
1244
1245 val[0] = 0x03;
1246 val[1] = 0x03;
1247 val[2] = 0x00;
1248 val[3] = 0x00;
1249 cx231xx_write_ctrl_reg(dev, VRT_SET_REGISTER,
1250 TS_MODE_REG, val, 4);
1251
1252 val[0] = 0x04;
1253 val[1] = 0xA3;
1254 val[2] = 0x3B;
1255 val[3] = 0x00;
1256 cx231xx_write_ctrl_reg(dev, VRT_SET_REGISTER,
1257 TS1_CFG_REG, val, 4);
1258 }
1259 /* EXPORT_SYMBOL_GPL(cx231xx_start_TS1); */
1260 /*****************************************************************
1261 * Device Init/UnInit functions *
1262 ******************************************************************/
1263 int cx231xx_dev_init(struct cx231xx *dev)
1264 {
1265 int errCode = 0;
1266
1267 /* Initialize I2C bus */
1268
1269 /* External Master 1 Bus */
1270 dev->i2c_bus[0].nr = 0;
1271 dev->i2c_bus[0].dev = dev;
1272 dev->i2c_bus[0].i2c_period = I2C_SPEED_100K; /* 100 KHz */
1273 dev->i2c_bus[0].i2c_nostop = 0;
1274 dev->i2c_bus[0].i2c_reserve = 0;
1275
1276 /* External Master 2 Bus */
1277 dev->i2c_bus[1].nr = 1;
1278 dev->i2c_bus[1].dev = dev;
1279 dev->i2c_bus[1].i2c_period = I2C_SPEED_100K; /* 100 KHz */
1280 dev->i2c_bus[1].i2c_nostop = 0;
1281 dev->i2c_bus[1].i2c_reserve = 0;
1282
1283 /* Internal Master 3 Bus */
1284 dev->i2c_bus[2].nr = 2;
1285 dev->i2c_bus[2].dev = dev;
1286 dev->i2c_bus[2].i2c_period = I2C_SPEED_100K; /* 100kHz */
1287 dev->i2c_bus[2].i2c_nostop = 0;
1288 dev->i2c_bus[2].i2c_reserve = 0;
1289
1290 /* register I2C buses */
1291 cx231xx_i2c_register(&dev->i2c_bus[0]);
1292 cx231xx_i2c_register(&dev->i2c_bus[1]);
1293 cx231xx_i2c_register(&dev->i2c_bus[2]);
1294
1295 cx231xx_i2c_mux_register(dev, 0);
1296 cx231xx_i2c_mux_register(dev, 1);
1297
1298 /* scan the real bus segments in the order of physical port numbers */
1299 cx231xx_do_i2c_scan(dev, I2C_0);
1300 cx231xx_do_i2c_scan(dev, I2C_1_MUX_1);
1301 cx231xx_do_i2c_scan(dev, I2C_2);
1302 cx231xx_do_i2c_scan(dev, I2C_1_MUX_3);
1303
1304 /* init hardware */
1305 /* Note : with out calling set power mode function,
1306 afe can not be set up correctly */
1307 if (dev->board.external_av) {
1308 errCode = cx231xx_set_power_mode(dev,
1309 POLARIS_AVMODE_ENXTERNAL_AV);
1310 if (errCode < 0) {
1311 dev_err(dev->dev,
1312 "%s: Failed to set Power - errCode [%d]!\n",
1313 __func__, errCode);
1314 return errCode;
1315 }
1316 } else {
1317 errCode = cx231xx_set_power_mode(dev,
1318 POLARIS_AVMODE_ANALOGT_TV);
1319 if (errCode < 0) {
1320 dev_err(dev->dev,
1321 "%s: Failed to set Power - errCode [%d]!\n",
1322 __func__, errCode);
1323 return errCode;
1324 }
1325 }
1326
1327 /* reset the Tuner, if it is a Xceive tuner */
1328 if ((dev->board.tuner_type == TUNER_XC5000) ||
1329 (dev->board.tuner_type == TUNER_XC2028))
1330 cx231xx_gpio_set(dev, dev->board.tuner_gpio);
1331
1332 /* initialize Colibri block */
1333 errCode = cx231xx_afe_init_super_block(dev, 0x23c);
1334 if (errCode < 0) {
1335 dev_err(dev->dev,
1336 "%s: cx231xx_afe init super block - errCode [%d]!\n",
1337 __func__, errCode);
1338 return errCode;
1339 }
1340 errCode = cx231xx_afe_init_channels(dev);
1341 if (errCode < 0) {
1342 dev_err(dev->dev,
1343 "%s: cx231xx_afe init channels - errCode [%d]!\n",
1344 __func__, errCode);
1345 return errCode;
1346 }
1347
1348 /* Set DIF in By pass mode */
1349 errCode = cx231xx_dif_set_standard(dev, DIF_USE_BASEBAND);
1350 if (errCode < 0) {
1351 dev_err(dev->dev,
1352 "%s: cx231xx_dif set to By pass mode - errCode [%d]!\n",
1353 __func__, errCode);
1354 return errCode;
1355 }
1356
1357 /* I2S block related functions */
1358 errCode = cx231xx_i2s_blk_initialize(dev);
1359 if (errCode < 0) {
1360 dev_err(dev->dev,
1361 "%s: cx231xx_i2s block initialize - errCode [%d]!\n",
1362 __func__, errCode);
1363 return errCode;
1364 }
1365
1366 /* init control pins */
1367 errCode = cx231xx_init_ctrl_pin_status(dev);
1368 if (errCode < 0) {
1369 dev_err(dev->dev,
1370 "%s: cx231xx_init ctrl pins - errCode [%d]!\n",
1371 __func__, errCode);
1372 return errCode;
1373 }
1374
1375 /* set AGC mode to Analog */
1376 switch (dev->model) {
1377 case CX231XX_BOARD_CNXT_CARRAERA:
1378 case CX231XX_BOARD_CNXT_RDE_250:
1379 case CX231XX_BOARD_CNXT_SHELBY:
1380 case CX231XX_BOARD_CNXT_RDU_250:
1381 errCode = cx231xx_set_agc_analog_digital_mux_select(dev, 1);
1382 break;
1383 case CX231XX_BOARD_CNXT_RDE_253S:
1384 case CX231XX_BOARD_CNXT_RDU_253S:
1385 case CX231XX_BOARD_HAUPPAUGE_EXETER:
1386 case CX231XX_BOARD_HAUPPAUGE_930C_HD_1113xx:
1387 case CX231XX_BOARD_PV_PLAYTV_USB_HYBRID:
1388 case CX231XX_BOARD_HAUPPAUGE_USB2_FM_PAL:
1389 case CX231XX_BOARD_HAUPPAUGE_USB2_FM_NTSC:
1390 errCode = cx231xx_set_agc_analog_digital_mux_select(dev, 0);
1391 break;
1392 default:
1393 break;
1394 }
1395 if (errCode < 0) {
1396 dev_err(dev->dev,
1397 "%s: cx231xx_AGC mode to Analog - errCode [%d]!\n",
1398 __func__, errCode);
1399 return errCode;
1400 }
1401
1402 /* set all alternate settings to zero initially */
1403 cx231xx_set_alt_setting(dev, INDEX_VIDEO, 0);
1404 cx231xx_set_alt_setting(dev, INDEX_VANC, 0);
1405 cx231xx_set_alt_setting(dev, INDEX_HANC, 0);
1406 if (dev->board.has_dvb)
1407 cx231xx_set_alt_setting(dev, INDEX_TS1, 0);
1408
1409 errCode = 0;
1410 return errCode;
1411 }
1412 EXPORT_SYMBOL_GPL(cx231xx_dev_init);
1413
1414 void cx231xx_dev_uninit(struct cx231xx *dev)
1415 {
1416 /* Un Initialize I2C bus */
1417 cx231xx_i2c_mux_unregister(dev, 1);
1418 cx231xx_i2c_mux_unregister(dev, 0);
1419 cx231xx_i2c_unregister(&dev->i2c_bus[2]);
1420 cx231xx_i2c_unregister(&dev->i2c_bus[1]);
1421 cx231xx_i2c_unregister(&dev->i2c_bus[0]);
1422 }
1423 EXPORT_SYMBOL_GPL(cx231xx_dev_uninit);
1424
1425 /*****************************************************************
1426 * G P I O related functions *
1427 ******************************************************************/
1428 int cx231xx_send_gpio_cmd(struct cx231xx *dev, u32 gpio_bit, u8 *gpio_val,
1429 u8 len, u8 request, u8 direction)
1430 {
1431 int status = 0;
1432 struct VENDOR_REQUEST_IN ven_req;
1433
1434 /* Set wValue */
1435 ven_req.wValue = (u16) (gpio_bit >> 16 & 0xffff);
1436
1437 /* set request */
1438 if (!request) {
1439 if (direction)
1440 ven_req.bRequest = VRT_GET_GPIO; /* 0x8 gpio */
1441 else
1442 ven_req.bRequest = VRT_SET_GPIO; /* 0x9 gpio */
1443 } else {
1444 if (direction)
1445 ven_req.bRequest = VRT_GET_GPIE; /* 0xa gpie */
1446 else
1447 ven_req.bRequest = VRT_SET_GPIE; /* 0xb gpie */
1448 }
1449
1450 /* set index value */
1451 ven_req.wIndex = (u16) (gpio_bit & 0xffff);
1452
1453 /* set wLength value */
1454 ven_req.wLength = len;
1455
1456 /* set bData value */
1457 ven_req.bData = 0;
1458
1459 /* set the buffer for read / write */
1460 ven_req.pBuff = gpio_val;
1461
1462 /* set the direction */
1463 if (direction) {
1464 ven_req.direction = USB_DIR_IN;
1465 memset(ven_req.pBuff, 0x00, ven_req.wLength);
1466 } else
1467 ven_req.direction = USB_DIR_OUT;
1468
1469
1470 /* call common vendor command request */
1471 status = cx231xx_send_vendor_cmd(dev, &ven_req);
1472 if (status < 0) {
1473 dev_err(dev->dev, "%s: failed with status -%d\n",
1474 __func__, status);
1475 }
1476
1477 return status;
1478 }
1479 EXPORT_SYMBOL_GPL(cx231xx_send_gpio_cmd);
1480
1481 /*****************************************************************
1482 * C O N T R O L - Register R E A D / W R I T E functions *
1483 *****************************************************************/
1484 int cx231xx_mode_register(struct cx231xx *dev, u16 address, u32 mode)
1485 {
1486 u8 value[4] = { 0x0, 0x0, 0x0, 0x0 };
1487 u32 tmp = 0;
1488 int status = 0;
1489
1490 status =
1491 cx231xx_read_ctrl_reg(dev, VRT_GET_REGISTER, address, value, 4);
1492 if (status < 0)
1493 return status;
1494
1495 tmp = le32_to_cpu(*((__le32 *) value));
1496 tmp |= mode;
1497
1498 value[0] = (u8) tmp;
1499 value[1] = (u8) (tmp >> 8);
1500 value[2] = (u8) (tmp >> 16);
1501 value[3] = (u8) (tmp >> 24);
1502
1503 status =
1504 cx231xx_write_ctrl_reg(dev, VRT_SET_REGISTER, address, value, 4);
1505
1506 return status;
1507 }
1508
1509 /*****************************************************************
1510 * I 2 C Internal C O N T R O L functions *
1511 *****************************************************************/
1512 int cx231xx_read_i2c_master(struct cx231xx *dev, u8 dev_addr, u16 saddr,
1513 u8 saddr_len, u32 *data, u8 data_len, int master)
1514 {
1515 int status = 0;
1516 struct cx231xx_i2c_xfer_data req_data;
1517 u8 value[64] = "0";
1518
1519 if (saddr_len == 0)
1520 saddr = 0;
1521 else if (saddr_len == 1)
1522 saddr &= 0xff;
1523
1524 /* prepare xfer_data struct */
1525 req_data.dev_addr = dev_addr >> 1;
1526 req_data.direction = I2C_M_RD;
1527 req_data.saddr_len = saddr_len;
1528 req_data.saddr_dat = saddr;
1529 req_data.buf_size = data_len;
1530 req_data.p_buffer = (u8 *) value;
1531
1532 /* usb send command */
1533 if (master == 0)
1534 status = dev->cx231xx_send_usb_command(&dev->i2c_bus[0],
1535 &req_data);
1536 else if (master == 1)
1537 status = dev->cx231xx_send_usb_command(&dev->i2c_bus[1],
1538 &req_data);
1539 else if (master == 2)
1540 status = dev->cx231xx_send_usb_command(&dev->i2c_bus[2],
1541 &req_data);
1542
1543 if (status >= 0) {
1544 /* Copy the data read back to main buffer */
1545 if (data_len == 1)
1546 *data = value[0];
1547 else if (data_len == 4)
1548 *data =
1549 value[0] | value[1] << 8 | value[2] << 16 | value[3]
1550 << 24;
1551 else if (data_len > 4)
1552 *data = value[saddr];
1553 }
1554
1555 return status;
1556 }
1557
1558 int cx231xx_write_i2c_master(struct cx231xx *dev, u8 dev_addr, u16 saddr,
1559 u8 saddr_len, u32 data, u8 data_len, int master)
1560 {
1561 int status = 0;
1562 u8 value[4] = { 0, 0, 0, 0 };
1563 struct cx231xx_i2c_xfer_data req_data;
1564
1565 value[0] = (u8) data;
1566 value[1] = (u8) (data >> 8);
1567 value[2] = (u8) (data >> 16);
1568 value[3] = (u8) (data >> 24);
1569
1570 if (saddr_len == 0)
1571 saddr = 0;
1572 else if (saddr_len == 1)
1573 saddr &= 0xff;
1574
1575 /* prepare xfer_data struct */
1576 req_data.dev_addr = dev_addr >> 1;
1577 req_data.direction = 0;
1578 req_data.saddr_len = saddr_len;
1579 req_data.saddr_dat = saddr;
1580 req_data.buf_size = data_len;
1581 req_data.p_buffer = value;
1582
1583 /* usb send command */
1584 if (master == 0)
1585 status = dev->cx231xx_send_usb_command(&dev->i2c_bus[0],
1586 &req_data);
1587 else if (master == 1)
1588 status = dev->cx231xx_send_usb_command(&dev->i2c_bus[1],
1589 &req_data);
1590 else if (master == 2)
1591 status = dev->cx231xx_send_usb_command(&dev->i2c_bus[2],
1592 &req_data);
1593
1594 return status;
1595 }
1596
1597 int cx231xx_read_i2c_data(struct cx231xx *dev, u8 dev_addr, u16 saddr,
1598 u8 saddr_len, u32 *data, u8 data_len)
1599 {
1600 int status = 0;
1601 struct cx231xx_i2c_xfer_data req_data;
1602 u8 value[4] = { 0, 0, 0, 0 };
1603
1604 if (saddr_len == 0)
1605 saddr = 0;
1606 else if (saddr_len == 1)
1607 saddr &= 0xff;
1608
1609 /* prepare xfer_data struct */
1610 req_data.dev_addr = dev_addr >> 1;
1611 req_data.direction = I2C_M_RD;
1612 req_data.saddr_len = saddr_len;
1613 req_data.saddr_dat = saddr;
1614 req_data.buf_size = data_len;
1615 req_data.p_buffer = (u8 *) value;
1616
1617 /* usb send command */
1618 status = dev->cx231xx_send_usb_command(&dev->i2c_bus[0], &req_data);
1619
1620 if (status >= 0) {
1621 /* Copy the data read back to main buffer */
1622 if (data_len == 1)
1623 *data = value[0];
1624 else
1625 *data =
1626 value[0] | value[1] << 8 | value[2] << 16 | value[3]
1627 << 24;
1628 }
1629
1630 return status;
1631 }
1632
1633 int cx231xx_write_i2c_data(struct cx231xx *dev, u8 dev_addr, u16 saddr,
1634 u8 saddr_len, u32 data, u8 data_len)
1635 {
1636 int status = 0;
1637 u8 value[4] = { 0, 0, 0, 0 };
1638 struct cx231xx_i2c_xfer_data req_data;
1639
1640 value[0] = (u8) data;
1641 value[1] = (u8) (data >> 8);
1642 value[2] = (u8) (data >> 16);
1643 value[3] = (u8) (data >> 24);
1644
1645 if (saddr_len == 0)
1646 saddr = 0;
1647 else if (saddr_len == 1)
1648 saddr &= 0xff;
1649
1650 /* prepare xfer_data struct */
1651 req_data.dev_addr = dev_addr >> 1;
1652 req_data.direction = 0;
1653 req_data.saddr_len = saddr_len;
1654 req_data.saddr_dat = saddr;
1655 req_data.buf_size = data_len;
1656 req_data.p_buffer = value;
1657
1658 /* usb send command */
1659 status = dev->cx231xx_send_usb_command(&dev->i2c_bus[0], &req_data);
1660
1661 return status;
1662 }
1663
1664 int cx231xx_reg_mask_write(struct cx231xx *dev, u8 dev_addr, u8 size,
1665 u16 register_address, u8 bit_start, u8 bit_end,
1666 u32 value)
1667 {
1668 int status = 0;
1669 u32 tmp;
1670 u32 mask = 0;
1671 int i;
1672
1673 if (bit_start > (size - 1) || bit_end > (size - 1))
1674 return -1;
1675
1676 if (size == 8) {
1677 status =
1678 cx231xx_read_i2c_data(dev, dev_addr, register_address, 2,
1679 &tmp, 1);
1680 } else {
1681 status =
1682 cx231xx_read_i2c_data(dev, dev_addr, register_address, 2,
1683 &tmp, 4);
1684 }
1685
1686 if (status < 0)
1687 return status;
1688
1689 mask = 1 << bit_end;
1690 for (i = bit_end; i > bit_start && i > 0; i--)
1691 mask = mask + (1 << (i - 1));
1692
1693 value <<= bit_start;
1694
1695 if (size == 8) {
1696 tmp &= ~mask;
1697 tmp |= value;
1698 tmp &= 0xff;
1699 status =
1700 cx231xx_write_i2c_data(dev, dev_addr, register_address, 2,
1701 tmp, 1);
1702 } else {
1703 tmp &= ~mask;
1704 tmp |= value;
1705 status =
1706 cx231xx_write_i2c_data(dev, dev_addr, register_address, 2,
1707 tmp, 4);
1708 }
1709
1710 return status;
1711 }
1712
1713 int cx231xx_read_modify_write_i2c_dword(struct cx231xx *dev, u8 dev_addr,
1714 u16 saddr, u32 mask, u32 value)
1715 {
1716 u32 temp;
1717 int status = 0;
1718
1719 status = cx231xx_read_i2c_data(dev, dev_addr, saddr, 2, &temp, 4);
1720
1721 if (status < 0)
1722 return status;
1723
1724 temp &= ~mask;
1725 temp |= value;
1726
1727 status = cx231xx_write_i2c_data(dev, dev_addr, saddr, 2, temp, 4);
1728
1729 return status;
1730 }
1731
1732 u32 cx231xx_set_field(u32 field_mask, u32 data)
1733 {
1734 u32 temp;
1735
1736 for (temp = field_mask; (temp & 1) == 0; temp >>= 1)
1737 data <<= 1;
1738
1739 return data;
1740 }
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