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7e4319172e46edca431a2b6aa25749f5c032bf29
[deliverable/linux.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 errCode = cx231xx_set_agc_analog_digital_mux_select(dev, 1);
716 break;
717 case CX231XX_BOARD_HAUPPAUGE_EXETER:
718 case CX231XX_BOARD_HAUPPAUGE_930C_HD_1113xx:
719 errCode = cx231xx_set_power_mode(dev,
720 POLARIS_AVMODE_DIGITAL);
721 break;
722 default:
723 break;
724 }
725 } else/* Set Analog Power mode */ {
726 /* set AGC mode to Analog */
727 switch (dev->model) {
728 case CX231XX_BOARD_CNXT_CARRAERA:
729 case CX231XX_BOARD_CNXT_RDE_250:
730 case CX231XX_BOARD_CNXT_SHELBY:
731 case CX231XX_BOARD_CNXT_RDU_250:
732 errCode = cx231xx_set_agc_analog_digital_mux_select(dev, 1);
733 break;
734 case CX231XX_BOARD_CNXT_RDE_253S:
735 case CX231XX_BOARD_CNXT_RDU_253S:
736 case CX231XX_BOARD_HAUPPAUGE_EXETER:
737 case CX231XX_BOARD_HAUPPAUGE_930C_HD_1113xx:
738 case CX231XX_BOARD_PV_PLAYTV_USB_HYBRID:
739 case CX231XX_BOARD_HAUPPAUGE_USB2_FM_PAL:
740 case CX231XX_BOARD_HAUPPAUGE_USB2_FM_NTSC:
741 errCode = cx231xx_set_agc_analog_digital_mux_select(dev, 0);
742 break;
743 default:
744 break;
745 }
746 }
747
748 return errCode ? -EINVAL : 0;
749 }
750 EXPORT_SYMBOL_GPL(cx231xx_set_mode);
751
752 int cx231xx_ep5_bulkout(struct cx231xx *dev, u8 *firmware, u16 size)
753 {
754 int errCode = 0;
755 int actlen = -1;
756 int 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 completion 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 case -EPIPE: /* stall */
846 cx231xx_isocdbg("urb completion error - device is stalled.\n");
847 return;
848 default: /* error */
849 cx231xx_isocdbg("urb completion error %d.\n", urb->status);
850 break;
851 }
852
853 /* Copy data from URB */
854 spin_lock(&dev->video_mode.slock);
855 dev->video_mode.bulk_ctl.bulk_copy(dev, urb);
856 spin_unlock(&dev->video_mode.slock);
857
858 /* Reset urb buffers */
859 urb->status = usb_submit_urb(urb, GFP_ATOMIC);
860 if (urb->status) {
861 cx231xx_isocdbg("urb resubmit failed (error=%i)\n",
862 urb->status);
863 }
864 }
865 /*
866 * Stop and Deallocate URBs
867 */
868 void cx231xx_uninit_isoc(struct cx231xx *dev)
869 {
870 struct cx231xx_dmaqueue *dma_q = &dev->video_mode.vidq;
871 struct urb *urb;
872 int i;
873 bool broken_pipe = false;
874
875 cx231xx_isocdbg("cx231xx: called cx231xx_uninit_isoc\n");
876
877 dev->video_mode.isoc_ctl.nfields = -1;
878 for (i = 0; i < dev->video_mode.isoc_ctl.num_bufs; i++) {
879 urb = dev->video_mode.isoc_ctl.urb[i];
880 if (urb) {
881 if (!irqs_disabled())
882 usb_kill_urb(urb);
883 else
884 usb_unlink_urb(urb);
885
886 if (dev->video_mode.isoc_ctl.transfer_buffer[i]) {
887 usb_free_coherent(dev->udev,
888 urb->transfer_buffer_length,
889 dev->video_mode.isoc_ctl.
890 transfer_buffer[i],
891 urb->transfer_dma);
892 }
893 if (urb->status == -EPIPE) {
894 broken_pipe = true;
895 }
896 usb_free_urb(urb);
897 dev->video_mode.isoc_ctl.urb[i] = NULL;
898 }
899 dev->video_mode.isoc_ctl.transfer_buffer[i] = NULL;
900 }
901
902 if (broken_pipe) {
903 cx231xx_isocdbg("Reset endpoint to recover broken pipe.");
904 usb_reset_endpoint(dev->udev, dev->video_mode.end_point_addr);
905 }
906 kfree(dev->video_mode.isoc_ctl.urb);
907 kfree(dev->video_mode.isoc_ctl.transfer_buffer);
908 kfree(dma_q->p_left_data);
909
910 dev->video_mode.isoc_ctl.urb = NULL;
911 dev->video_mode.isoc_ctl.transfer_buffer = NULL;
912 dev->video_mode.isoc_ctl.num_bufs = 0;
913 dma_q->p_left_data = NULL;
914
915 if (dev->mode_tv == 0)
916 cx231xx_capture_start(dev, 0, Raw_Video);
917 else
918 cx231xx_capture_start(dev, 0, TS1_serial_mode);
919
920
921 }
922 EXPORT_SYMBOL_GPL(cx231xx_uninit_isoc);
923
924 /*
925 * Stop and Deallocate URBs
926 */
927 void cx231xx_uninit_bulk(struct cx231xx *dev)
928 {
929 struct cx231xx_dmaqueue *dma_q = &dev->video_mode.vidq;
930 struct urb *urb;
931 int i;
932 bool broken_pipe = false;
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.bulk_ctl.
949 transfer_buffer[i],
950 urb->transfer_dma);
951 }
952 if (urb->status == -EPIPE) {
953 broken_pipe = true;
954 }
955 usb_free_urb(urb);
956 dev->video_mode.bulk_ctl.urb[i] = NULL;
957 }
958 dev->video_mode.bulk_ctl.transfer_buffer[i] = NULL;
959 }
960
961 if (broken_pipe) {
962 cx231xx_isocdbg("Reset endpoint to recover broken pipe.");
963 usb_reset_endpoint(dev->udev, dev->video_mode.end_point_addr);
964 }
965 kfree(dev->video_mode.bulk_ctl.urb);
966 kfree(dev->video_mode.bulk_ctl.transfer_buffer);
967 kfree(dma_q->p_left_data);
968
969 dev->video_mode.bulk_ctl.urb = NULL;
970 dev->video_mode.bulk_ctl.transfer_buffer = NULL;
971 dev->video_mode.bulk_ctl.num_bufs = 0;
972 dma_q->p_left_data = NULL;
973
974 if (dev->mode_tv == 0)
975 cx231xx_capture_start(dev, 0, Raw_Video);
976 else
977 cx231xx_capture_start(dev, 0, TS1_serial_mode);
978
979
980 }
981 EXPORT_SYMBOL_GPL(cx231xx_uninit_bulk);
982
983 /*
984 * Allocate URBs and start IRQ
985 */
986 int cx231xx_init_isoc(struct cx231xx *dev, int max_packets,
987 int num_bufs, int max_pkt_size,
988 int (*isoc_copy) (struct cx231xx *dev, struct urb *urb))
989 {
990 struct cx231xx_dmaqueue *dma_q = &dev->video_mode.vidq;
991 int i;
992 int sb_size, pipe;
993 struct urb *urb;
994 int j, k;
995 int rc;
996
997 /* De-allocates all pending stuff */
998 cx231xx_uninit_isoc(dev);
999
1000 dma_q->p_left_data = kzalloc(4096, GFP_KERNEL);
1001 if (dma_q->p_left_data == NULL)
1002 return -ENOMEM;
1003
1004 dev->video_mode.isoc_ctl.isoc_copy = isoc_copy;
1005 dev->video_mode.isoc_ctl.num_bufs = num_bufs;
1006 dma_q->pos = 0;
1007 dma_q->is_partial_line = 0;
1008 dma_q->last_sav = 0;
1009 dma_q->current_field = -1;
1010 dma_q->field1_done = 0;
1011 dma_q->lines_per_field = dev->height / 2;
1012 dma_q->bytes_left_in_line = dev->width << 1;
1013 dma_q->lines_completed = 0;
1014 dma_q->mpeg_buffer_done = 0;
1015 dma_q->left_data_count = 0;
1016 dma_q->mpeg_buffer_completed = 0;
1017 dma_q->add_ps_package_head = CX231XX_NEED_ADD_PS_PACKAGE_HEAD;
1018 dma_q->ps_head[0] = 0x00;
1019 dma_q->ps_head[1] = 0x00;
1020 dma_q->ps_head[2] = 0x01;
1021 dma_q->ps_head[3] = 0xBA;
1022 for (i = 0; i < 8; i++)
1023 dma_q->partial_buf[i] = 0;
1024
1025 dev->video_mode.isoc_ctl.urb =
1026 kzalloc(sizeof(void *) * num_bufs, GFP_KERNEL);
1027 if (!dev->video_mode.isoc_ctl.urb) {
1028 dev_err(dev->dev,
1029 "cannot alloc memory for usb buffers\n");
1030 return -ENOMEM;
1031 }
1032
1033 dev->video_mode.isoc_ctl.transfer_buffer =
1034 kzalloc(sizeof(void *) * num_bufs, GFP_KERNEL);
1035 if (!dev->video_mode.isoc_ctl.transfer_buffer) {
1036 dev_err(dev->dev,
1037 "cannot allocate memory for usbtransfer\n");
1038 kfree(dev->video_mode.isoc_ctl.urb);
1039 return -ENOMEM;
1040 }
1041
1042 dev->video_mode.isoc_ctl.max_pkt_size = max_pkt_size;
1043 dev->video_mode.isoc_ctl.buf = NULL;
1044
1045 sb_size = max_packets * dev->video_mode.isoc_ctl.max_pkt_size;
1046
1047 if (dev->mode_tv == 1)
1048 dev->video_mode.end_point_addr = 0x81;
1049 else
1050 dev->video_mode.end_point_addr = 0x84;
1051
1052
1053 /* allocate urbs and transfer buffers */
1054 for (i = 0; i < dev->video_mode.isoc_ctl.num_bufs; i++) {
1055 urb = usb_alloc_urb(max_packets, GFP_KERNEL);
1056 if (!urb) {
1057 cx231xx_uninit_isoc(dev);
1058 return -ENOMEM;
1059 }
1060 dev->video_mode.isoc_ctl.urb[i] = urb;
1061
1062 dev->video_mode.isoc_ctl.transfer_buffer[i] =
1063 usb_alloc_coherent(dev->udev, sb_size, GFP_KERNEL,
1064 &urb->transfer_dma);
1065 if (!dev->video_mode.isoc_ctl.transfer_buffer[i]) {
1066 dev_err(dev->dev,
1067 "unable to allocate %i bytes for transfer buffer %i%s\n",
1068 sb_size, i,
1069 in_interrupt() ? " while in int" : "");
1070 cx231xx_uninit_isoc(dev);
1071 return -ENOMEM;
1072 }
1073 memset(dev->video_mode.isoc_ctl.transfer_buffer[i], 0, sb_size);
1074
1075 pipe =
1076 usb_rcvisocpipe(dev->udev, dev->video_mode.end_point_addr);
1077
1078 usb_fill_int_urb(urb, dev->udev, pipe,
1079 dev->video_mode.isoc_ctl.transfer_buffer[i],
1080 sb_size, cx231xx_isoc_irq_callback, dma_q, 1);
1081
1082 urb->number_of_packets = max_packets;
1083 urb->transfer_flags = URB_ISO_ASAP | URB_NO_TRANSFER_DMA_MAP;
1084
1085 k = 0;
1086 for (j = 0; j < max_packets; j++) {
1087 urb->iso_frame_desc[j].offset = k;
1088 urb->iso_frame_desc[j].length =
1089 dev->video_mode.isoc_ctl.max_pkt_size;
1090 k += dev->video_mode.isoc_ctl.max_pkt_size;
1091 }
1092 }
1093
1094 init_waitqueue_head(&dma_q->wq);
1095
1096 /* submit urbs and enables IRQ */
1097 for (i = 0; i < dev->video_mode.isoc_ctl.num_bufs; i++) {
1098 rc = usb_submit_urb(dev->video_mode.isoc_ctl.urb[i],
1099 GFP_ATOMIC);
1100 if (rc) {
1101 dev_err(dev->dev,
1102 "submit of urb %i failed (error=%i)\n", i,
1103 rc);
1104 cx231xx_uninit_isoc(dev);
1105 return rc;
1106 }
1107 }
1108
1109 if (dev->mode_tv == 0)
1110 cx231xx_capture_start(dev, 1, Raw_Video);
1111 else
1112 cx231xx_capture_start(dev, 1, TS1_serial_mode);
1113
1114 return 0;
1115 }
1116 EXPORT_SYMBOL_GPL(cx231xx_init_isoc);
1117
1118 /*
1119 * Allocate URBs and start IRQ
1120 */
1121 int cx231xx_init_bulk(struct cx231xx *dev, int max_packets,
1122 int num_bufs, int max_pkt_size,
1123 int (*bulk_copy) (struct cx231xx *dev, struct urb *urb))
1124 {
1125 struct cx231xx_dmaqueue *dma_q = &dev->video_mode.vidq;
1126 int i;
1127 int sb_size, pipe;
1128 struct urb *urb;
1129 int rc;
1130
1131 dev->video_input = dev->video_input > 2 ? 2 : dev->video_input;
1132
1133 cx231xx_coredbg("Setting Video mux to %d\n", dev->video_input);
1134
1135 video_mux(dev, dev->video_input);
1136
1137 /* De-allocates all pending stuff */
1138 cx231xx_uninit_bulk(dev);
1139
1140 dev->video_mode.bulk_ctl.bulk_copy = bulk_copy;
1141 dev->video_mode.bulk_ctl.num_bufs = num_bufs;
1142 dma_q->pos = 0;
1143 dma_q->is_partial_line = 0;
1144 dma_q->last_sav = 0;
1145 dma_q->current_field = -1;
1146 dma_q->field1_done = 0;
1147 dma_q->lines_per_field = dev->height / 2;
1148 dma_q->bytes_left_in_line = dev->width << 1;
1149 dma_q->lines_completed = 0;
1150 dma_q->mpeg_buffer_done = 0;
1151 dma_q->left_data_count = 0;
1152 dma_q->mpeg_buffer_completed = 0;
1153 dma_q->ps_head[0] = 0x00;
1154 dma_q->ps_head[1] = 0x00;
1155 dma_q->ps_head[2] = 0x01;
1156 dma_q->ps_head[3] = 0xBA;
1157 for (i = 0; i < 8; i++)
1158 dma_q->partial_buf[i] = 0;
1159
1160 dev->video_mode.bulk_ctl.urb =
1161 kzalloc(sizeof(void *) * num_bufs, GFP_KERNEL);
1162 if (!dev->video_mode.bulk_ctl.urb) {
1163 dev_err(dev->dev,
1164 "cannot alloc memory for usb buffers\n");
1165 return -ENOMEM;
1166 }
1167
1168 dev->video_mode.bulk_ctl.transfer_buffer =
1169 kzalloc(sizeof(void *) * num_bufs, GFP_KERNEL);
1170 if (!dev->video_mode.bulk_ctl.transfer_buffer) {
1171 dev_err(dev->dev,
1172 "cannot allocate memory for usbtransfer\n");
1173 kfree(dev->video_mode.bulk_ctl.urb);
1174 return -ENOMEM;
1175 }
1176
1177 dev->video_mode.bulk_ctl.max_pkt_size = max_pkt_size;
1178 dev->video_mode.bulk_ctl.buf = NULL;
1179
1180 sb_size = max_packets * dev->video_mode.bulk_ctl.max_pkt_size;
1181
1182 if (dev->mode_tv == 1)
1183 dev->video_mode.end_point_addr = 0x81;
1184 else
1185 dev->video_mode.end_point_addr = 0x84;
1186
1187
1188 /* allocate urbs and transfer buffers */
1189 for (i = 0; i < dev->video_mode.bulk_ctl.num_bufs; i++) {
1190 urb = usb_alloc_urb(0, GFP_KERNEL);
1191 if (!urb) {
1192 cx231xx_uninit_bulk(dev);
1193 return -ENOMEM;
1194 }
1195 dev->video_mode.bulk_ctl.urb[i] = urb;
1196 urb->transfer_flags = URB_NO_TRANSFER_DMA_MAP;
1197
1198 dev->video_mode.bulk_ctl.transfer_buffer[i] =
1199 usb_alloc_coherent(dev->udev, sb_size, GFP_KERNEL,
1200 &urb->transfer_dma);
1201 if (!dev->video_mode.bulk_ctl.transfer_buffer[i]) {
1202 dev_err(dev->dev,
1203 "unable to allocate %i bytes for transfer buffer %i%s\n",
1204 sb_size, i,
1205 in_interrupt() ? " while in int" : "");
1206 cx231xx_uninit_bulk(dev);
1207 return -ENOMEM;
1208 }
1209 memset(dev->video_mode.bulk_ctl.transfer_buffer[i], 0, sb_size);
1210
1211 pipe = usb_rcvbulkpipe(dev->udev,
1212 dev->video_mode.end_point_addr);
1213 usb_fill_bulk_urb(urb, dev->udev, pipe,
1214 dev->video_mode.bulk_ctl.transfer_buffer[i],
1215 sb_size, cx231xx_bulk_irq_callback, dma_q);
1216 }
1217
1218 /* clear halt */
1219 rc = usb_clear_halt(dev->udev, dev->video_mode.bulk_ctl.urb[0]->pipe);
1220 if (rc < 0) {
1221 dev_err(dev->dev,
1222 "failed to clear USB bulk endpoint stall/halt condition (error=%i)\n",
1223 rc);
1224 cx231xx_uninit_bulk(dev);
1225 return rc;
1226 }
1227
1228 init_waitqueue_head(&dma_q->wq);
1229
1230 /* submit urbs and enables IRQ */
1231 for (i = 0; i < dev->video_mode.bulk_ctl.num_bufs; i++) {
1232 rc = usb_submit_urb(dev->video_mode.bulk_ctl.urb[i],
1233 GFP_ATOMIC);
1234 if (rc) {
1235 dev_err(dev->dev,
1236 "submit of urb %i failed (error=%i)\n", i, rc);
1237 cx231xx_uninit_bulk(dev);
1238 return rc;
1239 }
1240 }
1241
1242 if (dev->mode_tv == 0)
1243 cx231xx_capture_start(dev, 1, Raw_Video);
1244 else
1245 cx231xx_capture_start(dev, 1, TS1_serial_mode);
1246
1247 return 0;
1248 }
1249 EXPORT_SYMBOL_GPL(cx231xx_init_bulk);
1250 void cx231xx_stop_TS1(struct cx231xx *dev)
1251 {
1252 u8 val[4] = { 0, 0, 0, 0 };
1253
1254 val[0] = 0x00;
1255 val[1] = 0x03;
1256 val[2] = 0x00;
1257 val[3] = 0x00;
1258 cx231xx_write_ctrl_reg(dev, VRT_SET_REGISTER,
1259 TS_MODE_REG, val, 4);
1260
1261 val[0] = 0x00;
1262 val[1] = 0x70;
1263 val[2] = 0x04;
1264 val[3] = 0x00;
1265 cx231xx_write_ctrl_reg(dev, VRT_SET_REGISTER,
1266 TS1_CFG_REG, val, 4);
1267 }
1268 /* EXPORT_SYMBOL_GPL(cx231xx_stop_TS1); */
1269 void cx231xx_start_TS1(struct cx231xx *dev)
1270 {
1271 u8 val[4] = { 0, 0, 0, 0 };
1272
1273 val[0] = 0x03;
1274 val[1] = 0x03;
1275 val[2] = 0x00;
1276 val[3] = 0x00;
1277 cx231xx_write_ctrl_reg(dev, VRT_SET_REGISTER,
1278 TS_MODE_REG, val, 4);
1279
1280 val[0] = 0x04;
1281 val[1] = 0xA3;
1282 val[2] = 0x3B;
1283 val[3] = 0x00;
1284 cx231xx_write_ctrl_reg(dev, VRT_SET_REGISTER,
1285 TS1_CFG_REG, val, 4);
1286 }
1287 /* EXPORT_SYMBOL_GPL(cx231xx_start_TS1); */
1288 /*****************************************************************
1289 * Device Init/UnInit functions *
1290 ******************************************************************/
1291 int cx231xx_dev_init(struct cx231xx *dev)
1292 {
1293 int errCode = 0;
1294
1295 /* Initialize I2C bus */
1296
1297 /* External Master 1 Bus */
1298 dev->i2c_bus[0].nr = 0;
1299 dev->i2c_bus[0].dev = dev;
1300 dev->i2c_bus[0].i2c_period = I2C_SPEED_100K; /* 100 KHz */
1301 dev->i2c_bus[0].i2c_nostop = 0;
1302 dev->i2c_bus[0].i2c_reserve = 0;
1303
1304 /* External Master 2 Bus */
1305 dev->i2c_bus[1].nr = 1;
1306 dev->i2c_bus[1].dev = dev;
1307 dev->i2c_bus[1].i2c_period = I2C_SPEED_100K; /* 100 KHz */
1308 dev->i2c_bus[1].i2c_nostop = 0;
1309 dev->i2c_bus[1].i2c_reserve = 0;
1310
1311 /* Internal Master 3 Bus */
1312 dev->i2c_bus[2].nr = 2;
1313 dev->i2c_bus[2].dev = dev;
1314 dev->i2c_bus[2].i2c_period = I2C_SPEED_100K; /* 100kHz */
1315 dev->i2c_bus[2].i2c_nostop = 0;
1316 dev->i2c_bus[2].i2c_reserve = 0;
1317
1318 /* register I2C buses */
1319 cx231xx_i2c_register(&dev->i2c_bus[0]);
1320 cx231xx_i2c_register(&dev->i2c_bus[1]);
1321 cx231xx_i2c_register(&dev->i2c_bus[2]);
1322
1323 errCode = cx231xx_i2c_mux_create(dev);
1324 if (errCode < 0)
1325 return errCode;
1326 cx231xx_i2c_mux_register(dev, 0);
1327 cx231xx_i2c_mux_register(dev, 1);
1328
1329 /* scan the real bus segments in the order of physical port numbers */
1330 cx231xx_do_i2c_scan(dev, I2C_0);
1331 cx231xx_do_i2c_scan(dev, I2C_1_MUX_1);
1332 cx231xx_do_i2c_scan(dev, I2C_2);
1333 cx231xx_do_i2c_scan(dev, I2C_1_MUX_3);
1334
1335 /* init hardware */
1336 /* Note : with out calling set power mode function,
1337 afe can not be set up correctly */
1338 if (dev->board.external_av) {
1339 errCode = cx231xx_set_power_mode(dev,
1340 POLARIS_AVMODE_ENXTERNAL_AV);
1341 if (errCode < 0) {
1342 dev_err(dev->dev,
1343 "%s: Failed to set Power - errCode [%d]!\n",
1344 __func__, errCode);
1345 return errCode;
1346 }
1347 } else {
1348 errCode = cx231xx_set_power_mode(dev,
1349 POLARIS_AVMODE_ANALOGT_TV);
1350 if (errCode < 0) {
1351 dev_err(dev->dev,
1352 "%s: Failed to set Power - errCode [%d]!\n",
1353 __func__, errCode);
1354 return errCode;
1355 }
1356 }
1357
1358 /* reset the Tuner, if it is a Xceive tuner */
1359 if ((dev->board.tuner_type == TUNER_XC5000) ||
1360 (dev->board.tuner_type == TUNER_XC2028))
1361 cx231xx_gpio_set(dev, dev->board.tuner_gpio);
1362
1363 /* initialize Colibri block */
1364 errCode = cx231xx_afe_init_super_block(dev, 0x23c);
1365 if (errCode < 0) {
1366 dev_err(dev->dev,
1367 "%s: cx231xx_afe init super block - errCode [%d]!\n",
1368 __func__, errCode);
1369 return errCode;
1370 }
1371 errCode = cx231xx_afe_init_channels(dev);
1372 if (errCode < 0) {
1373 dev_err(dev->dev,
1374 "%s: cx231xx_afe init channels - errCode [%d]!\n",
1375 __func__, errCode);
1376 return errCode;
1377 }
1378
1379 /* Set DIF in By pass mode */
1380 errCode = cx231xx_dif_set_standard(dev, DIF_USE_BASEBAND);
1381 if (errCode < 0) {
1382 dev_err(dev->dev,
1383 "%s: cx231xx_dif set to By pass mode - errCode [%d]!\n",
1384 __func__, errCode);
1385 return errCode;
1386 }
1387
1388 /* I2S block related functions */
1389 errCode = cx231xx_i2s_blk_initialize(dev);
1390 if (errCode < 0) {
1391 dev_err(dev->dev,
1392 "%s: cx231xx_i2s block initialize - errCode [%d]!\n",
1393 __func__, errCode);
1394 return errCode;
1395 }
1396
1397 /* init control pins */
1398 errCode = cx231xx_init_ctrl_pin_status(dev);
1399 if (errCode < 0) {
1400 dev_err(dev->dev,
1401 "%s: cx231xx_init ctrl pins - errCode [%d]!\n",
1402 __func__, errCode);
1403 return errCode;
1404 }
1405
1406 /* set AGC mode to Analog */
1407 switch (dev->model) {
1408 case CX231XX_BOARD_CNXT_CARRAERA:
1409 case CX231XX_BOARD_CNXT_RDE_250:
1410 case CX231XX_BOARD_CNXT_SHELBY:
1411 case CX231XX_BOARD_CNXT_RDU_250:
1412 errCode = cx231xx_set_agc_analog_digital_mux_select(dev, 1);
1413 break;
1414 case CX231XX_BOARD_CNXT_RDE_253S:
1415 case CX231XX_BOARD_CNXT_RDU_253S:
1416 case CX231XX_BOARD_HAUPPAUGE_EXETER:
1417 case CX231XX_BOARD_HAUPPAUGE_930C_HD_1113xx:
1418 case CX231XX_BOARD_PV_PLAYTV_USB_HYBRID:
1419 case CX231XX_BOARD_HAUPPAUGE_USB2_FM_PAL:
1420 case CX231XX_BOARD_HAUPPAUGE_USB2_FM_NTSC:
1421 errCode = cx231xx_set_agc_analog_digital_mux_select(dev, 0);
1422 break;
1423 default:
1424 break;
1425 }
1426 if (errCode < 0) {
1427 dev_err(dev->dev,
1428 "%s: cx231xx_AGC mode to Analog - errCode [%d]!\n",
1429 __func__, errCode);
1430 return errCode;
1431 }
1432
1433 /* set all alternate settings to zero initially */
1434 cx231xx_set_alt_setting(dev, INDEX_VIDEO, 0);
1435 cx231xx_set_alt_setting(dev, INDEX_VANC, 0);
1436 cx231xx_set_alt_setting(dev, INDEX_HANC, 0);
1437 if (dev->board.has_dvb)
1438 cx231xx_set_alt_setting(dev, INDEX_TS1, 0);
1439
1440 errCode = 0;
1441 return errCode;
1442 }
1443 EXPORT_SYMBOL_GPL(cx231xx_dev_init);
1444
1445 void cx231xx_dev_uninit(struct cx231xx *dev)
1446 {
1447 /* Un Initialize I2C bus */
1448 cx231xx_i2c_mux_unregister(dev);
1449 cx231xx_i2c_unregister(&dev->i2c_bus[2]);
1450 cx231xx_i2c_unregister(&dev->i2c_bus[1]);
1451 cx231xx_i2c_unregister(&dev->i2c_bus[0]);
1452 }
1453 EXPORT_SYMBOL_GPL(cx231xx_dev_uninit);
1454
1455 /*****************************************************************
1456 * G P I O related functions *
1457 ******************************************************************/
1458 int cx231xx_send_gpio_cmd(struct cx231xx *dev, u32 gpio_bit, u8 *gpio_val,
1459 u8 len, u8 request, u8 direction)
1460 {
1461 int status = 0;
1462 struct VENDOR_REQUEST_IN ven_req;
1463
1464 /* Set wValue */
1465 ven_req.wValue = (u16) (gpio_bit >> 16 & 0xffff);
1466
1467 /* set request */
1468 if (!request) {
1469 if (direction)
1470 ven_req.bRequest = VRT_GET_GPIO; /* 0x8 gpio */
1471 else
1472 ven_req.bRequest = VRT_SET_GPIO; /* 0x9 gpio */
1473 } else {
1474 if (direction)
1475 ven_req.bRequest = VRT_GET_GPIE; /* 0xa gpie */
1476 else
1477 ven_req.bRequest = VRT_SET_GPIE; /* 0xb gpie */
1478 }
1479
1480 /* set index value */
1481 ven_req.wIndex = (u16) (gpio_bit & 0xffff);
1482
1483 /* set wLength value */
1484 ven_req.wLength = len;
1485
1486 /* set bData value */
1487 ven_req.bData = 0;
1488
1489 /* set the buffer for read / write */
1490 ven_req.pBuff = gpio_val;
1491
1492 /* set the direction */
1493 if (direction) {
1494 ven_req.direction = USB_DIR_IN;
1495 memset(ven_req.pBuff, 0x00, ven_req.wLength);
1496 } else
1497 ven_req.direction = USB_DIR_OUT;
1498
1499
1500 /* call common vendor command request */
1501 status = cx231xx_send_vendor_cmd(dev, &ven_req);
1502 if (status < 0) {
1503 dev_err(dev->dev, "%s: failed with status -%d\n",
1504 __func__, status);
1505 }
1506
1507 return status;
1508 }
1509 EXPORT_SYMBOL_GPL(cx231xx_send_gpio_cmd);
1510
1511 /*****************************************************************
1512 * C O N T R O L - Register R E A D / W R I T E functions *
1513 *****************************************************************/
1514 int cx231xx_mode_register(struct cx231xx *dev, u16 address, u32 mode)
1515 {
1516 u8 value[4] = { 0x0, 0x0, 0x0, 0x0 };
1517 u32 tmp = 0;
1518 int status = 0;
1519
1520 status =
1521 cx231xx_read_ctrl_reg(dev, VRT_GET_REGISTER, address, value, 4);
1522 if (status < 0)
1523 return status;
1524
1525 tmp = le32_to_cpu(*((__le32 *) value));
1526 tmp |= mode;
1527
1528 value[0] = (u8) tmp;
1529 value[1] = (u8) (tmp >> 8);
1530 value[2] = (u8) (tmp >> 16);
1531 value[3] = (u8) (tmp >> 24);
1532
1533 status =
1534 cx231xx_write_ctrl_reg(dev, VRT_SET_REGISTER, address, value, 4);
1535
1536 return status;
1537 }
1538
1539 /*****************************************************************
1540 * I 2 C Internal C O N T R O L functions *
1541 *****************************************************************/
1542 int cx231xx_read_i2c_master(struct cx231xx *dev, u8 dev_addr, u16 saddr,
1543 u8 saddr_len, u32 *data, u8 data_len, int master)
1544 {
1545 int status = 0;
1546 struct cx231xx_i2c_xfer_data req_data;
1547 u8 value[64] = "0";
1548
1549 if (saddr_len == 0)
1550 saddr = 0;
1551 else if (saddr_len == 1)
1552 saddr &= 0xff;
1553
1554 /* prepare xfer_data struct */
1555 req_data.dev_addr = dev_addr >> 1;
1556 req_data.direction = I2C_M_RD;
1557 req_data.saddr_len = saddr_len;
1558 req_data.saddr_dat = saddr;
1559 req_data.buf_size = data_len;
1560 req_data.p_buffer = (u8 *) value;
1561
1562 /* usb send command */
1563 if (master == 0)
1564 status = dev->cx231xx_send_usb_command(&dev->i2c_bus[0],
1565 &req_data);
1566 else if (master == 1)
1567 status = dev->cx231xx_send_usb_command(&dev->i2c_bus[1],
1568 &req_data);
1569 else if (master == 2)
1570 status = dev->cx231xx_send_usb_command(&dev->i2c_bus[2],
1571 &req_data);
1572
1573 if (status >= 0) {
1574 /* Copy the data read back to main buffer */
1575 if (data_len == 1)
1576 *data = value[0];
1577 else if (data_len == 4)
1578 *data =
1579 value[0] | value[1] << 8 | value[2] << 16 | value[3]
1580 << 24;
1581 else if (data_len > 4)
1582 *data = value[saddr];
1583 }
1584
1585 return status;
1586 }
1587
1588 int cx231xx_write_i2c_master(struct cx231xx *dev, u8 dev_addr, u16 saddr,
1589 u8 saddr_len, u32 data, u8 data_len, int master)
1590 {
1591 int status = 0;
1592 u8 value[4] = { 0, 0, 0, 0 };
1593 struct cx231xx_i2c_xfer_data req_data;
1594
1595 value[0] = (u8) data;
1596 value[1] = (u8) (data >> 8);
1597 value[2] = (u8) (data >> 16);
1598 value[3] = (u8) (data >> 24);
1599
1600 if (saddr_len == 0)
1601 saddr = 0;
1602 else if (saddr_len == 1)
1603 saddr &= 0xff;
1604
1605 /* prepare xfer_data struct */
1606 req_data.dev_addr = dev_addr >> 1;
1607 req_data.direction = 0;
1608 req_data.saddr_len = saddr_len;
1609 req_data.saddr_dat = saddr;
1610 req_data.buf_size = data_len;
1611 req_data.p_buffer = value;
1612
1613 /* usb send command */
1614 if (master == 0)
1615 status = dev->cx231xx_send_usb_command(&dev->i2c_bus[0],
1616 &req_data);
1617 else if (master == 1)
1618 status = dev->cx231xx_send_usb_command(&dev->i2c_bus[1],
1619 &req_data);
1620 else if (master == 2)
1621 status = dev->cx231xx_send_usb_command(&dev->i2c_bus[2],
1622 &req_data);
1623
1624 return status;
1625 }
1626
1627 int cx231xx_read_i2c_data(struct cx231xx *dev, u8 dev_addr, u16 saddr,
1628 u8 saddr_len, u32 *data, u8 data_len)
1629 {
1630 int status = 0;
1631 struct cx231xx_i2c_xfer_data req_data;
1632 u8 value[4] = { 0, 0, 0, 0 };
1633
1634 if (saddr_len == 0)
1635 saddr = 0;
1636 else if (saddr_len == 1)
1637 saddr &= 0xff;
1638
1639 /* prepare xfer_data struct */
1640 req_data.dev_addr = dev_addr >> 1;
1641 req_data.direction = I2C_M_RD;
1642 req_data.saddr_len = saddr_len;
1643 req_data.saddr_dat = saddr;
1644 req_data.buf_size = data_len;
1645 req_data.p_buffer = (u8 *) value;
1646
1647 /* usb send command */
1648 status = dev->cx231xx_send_usb_command(&dev->i2c_bus[0], &req_data);
1649
1650 if (status >= 0) {
1651 /* Copy the data read back to main buffer */
1652 if (data_len == 1)
1653 *data = value[0];
1654 else
1655 *data =
1656 value[0] | value[1] << 8 | value[2] << 16 | value[3]
1657 << 24;
1658 }
1659
1660 return status;
1661 }
1662
1663 int cx231xx_write_i2c_data(struct cx231xx *dev, u8 dev_addr, u16 saddr,
1664 u8 saddr_len, u32 data, u8 data_len)
1665 {
1666 int status = 0;
1667 u8 value[4] = { 0, 0, 0, 0 };
1668 struct cx231xx_i2c_xfer_data req_data;
1669
1670 value[0] = (u8) data;
1671 value[1] = (u8) (data >> 8);
1672 value[2] = (u8) (data >> 16);
1673 value[3] = (u8) (data >> 24);
1674
1675 if (saddr_len == 0)
1676 saddr = 0;
1677 else if (saddr_len == 1)
1678 saddr &= 0xff;
1679
1680 /* prepare xfer_data struct */
1681 req_data.dev_addr = dev_addr >> 1;
1682 req_data.direction = 0;
1683 req_data.saddr_len = saddr_len;
1684 req_data.saddr_dat = saddr;
1685 req_data.buf_size = data_len;
1686 req_data.p_buffer = value;
1687
1688 /* usb send command */
1689 status = dev->cx231xx_send_usb_command(&dev->i2c_bus[0], &req_data);
1690
1691 return status;
1692 }
1693
1694 int cx231xx_reg_mask_write(struct cx231xx *dev, u8 dev_addr, u8 size,
1695 u16 register_address, u8 bit_start, u8 bit_end,
1696 u32 value)
1697 {
1698 int status = 0;
1699 u32 tmp;
1700 u32 mask = 0;
1701 int i;
1702
1703 if (bit_start > (size - 1) || bit_end > (size - 1))
1704 return -1;
1705
1706 if (size == 8) {
1707 status =
1708 cx231xx_read_i2c_data(dev, dev_addr, register_address, 2,
1709 &tmp, 1);
1710 } else {
1711 status =
1712 cx231xx_read_i2c_data(dev, dev_addr, register_address, 2,
1713 &tmp, 4);
1714 }
1715
1716 if (status < 0)
1717 return status;
1718
1719 mask = 1 << bit_end;
1720 for (i = bit_end; i > bit_start && i > 0; i--)
1721 mask = mask + (1 << (i - 1));
1722
1723 value <<= bit_start;
1724
1725 if (size == 8) {
1726 tmp &= ~mask;
1727 tmp |= value;
1728 tmp &= 0xff;
1729 status =
1730 cx231xx_write_i2c_data(dev, dev_addr, register_address, 2,
1731 tmp, 1);
1732 } else {
1733 tmp &= ~mask;
1734 tmp |= value;
1735 status =
1736 cx231xx_write_i2c_data(dev, dev_addr, register_address, 2,
1737 tmp, 4);
1738 }
1739
1740 return status;
1741 }
1742
1743 int cx231xx_read_modify_write_i2c_dword(struct cx231xx *dev, u8 dev_addr,
1744 u16 saddr, u32 mask, u32 value)
1745 {
1746 u32 temp;
1747 int status = 0;
1748
1749 status = cx231xx_read_i2c_data(dev, dev_addr, saddr, 2, &temp, 4);
1750
1751 if (status < 0)
1752 return status;
1753
1754 temp &= ~mask;
1755 temp |= value;
1756
1757 status = cx231xx_write_i2c_data(dev, dev_addr, saddr, 2, temp, 4);
1758
1759 return status;
1760 }
1761
1762 u32 cx231xx_set_field(u32 field_mask, u32 data)
1763 {
1764 u32 temp;
1765
1766 for (temp = field_mask; (temp & 1) == 0; temp >>= 1)
1767 data <<= 1;
1768
1769 return data;
1770 }
Linux kernel - Deliverables
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