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[media] cx231xx: convert to use an explicit i2c mux core
[linux-2.6/btrfs-unstable.git] / drivers / media / usb / cx231xx / cx231xx-core.c
blobf7aac2abd7831c58b5e5c2118fc0756e0db3eff3
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, ret = -ENOMEM;
756 u32 *buffer;
757
758 buffer = kzalloc(4096, GFP_KERNEL);
759 if (buffer == NULL)
760 return -ENOMEM;
761 memcpy(&buffer[0], firmware, 4096);
762
763 ret = usb_bulk_msg(dev->udev, usb_sndbulkpipe(dev->udev, 5),
764 buffer, 4096, &actlen, 2000);
765
766 if (ret)
767 dev_err(dev->dev,
768 "bulk message failed: %d (%d/%d)", ret,
769 size, actlen);
770 else {
771 errCode = actlen != size ? -1 : 0;
772 }
773 kfree(buffer);
774 return errCode;
775 }
776
777 /*****************************************************************
778 * URB Streaming functions *
779 ******************************************************************/
780
781 /*
782 * IRQ callback, called by URB callback
783 */
784 static void cx231xx_isoc_irq_callback(struct urb *urb)
785 {
786 struct cx231xx_dmaqueue *dma_q = urb->context;
787 struct cx231xx_video_mode *vmode =
788 container_of(dma_q, struct cx231xx_video_mode, vidq);
789 struct cx231xx *dev = container_of(vmode, struct cx231xx, video_mode);
790 int i;
791
792 switch (urb->status) {
793 case 0: /* success */
794 case -ETIMEDOUT: /* NAK */
795 break;
796 case -ECONNRESET: /* kill */
797 case -ENOENT:
798 case -ESHUTDOWN:
799 return;
800 default: /* error */
801 cx231xx_isocdbg("urb completition error %d.\n", urb->status);
802 break;
803 }
804
805 /* Copy data from URB */
806 spin_lock(&dev->video_mode.slock);
807 dev->video_mode.isoc_ctl.isoc_copy(dev, urb);
808 spin_unlock(&dev->video_mode.slock);
809
810 /* Reset urb buffers */
811 for (i = 0; i < urb->number_of_packets; i++) {
812 urb->iso_frame_desc[i].status = 0;
813 urb->iso_frame_desc[i].actual_length = 0;
814 }
815
816 urb->status = usb_submit_urb(urb, GFP_ATOMIC);
817 if (urb->status) {
818 cx231xx_isocdbg("urb resubmit failed (error=%i)\n",
819 urb->status);
820 }
821 }
822 /*****************************************************************
823 * URB Streaming functions *
824 ******************************************************************/
825
826 /*
827 * IRQ callback, called by URB callback
828 */
829 static void cx231xx_bulk_irq_callback(struct urb *urb)
830 {
831 struct cx231xx_dmaqueue *dma_q = urb->context;
832 struct cx231xx_video_mode *vmode =
833 container_of(dma_q, struct cx231xx_video_mode, vidq);
834 struct cx231xx *dev = container_of(vmode, struct cx231xx, video_mode);
835
836 switch (urb->status) {
837 case 0: /* success */
838 case -ETIMEDOUT: /* NAK */
839 break;
840 case -ECONNRESET: /* kill */
841 case -ENOENT:
842 case -ESHUTDOWN:
843 return;
844 default: /* error */
845 cx231xx_isocdbg("urb completition error %d.\n", urb->status);
846 break;
847 }
848
849 /* Copy data from URB */
850 spin_lock(&dev->video_mode.slock);
851 dev->video_mode.bulk_ctl.bulk_copy(dev, urb);
852 spin_unlock(&dev->video_mode.slock);
853
854 /* Reset urb buffers */
855 urb->status = usb_submit_urb(urb, GFP_ATOMIC);
856 if (urb->status) {
857 cx231xx_isocdbg("urb resubmit failed (error=%i)\n",
858 urb->status);
859 }
860 }
861 /*
862 * Stop and Deallocate URBs
863 */
864 void cx231xx_uninit_isoc(struct cx231xx *dev)
865 {
866 struct cx231xx_dmaqueue *dma_q = &dev->video_mode.vidq;
867 struct urb *urb;
868 int i;
869
870 cx231xx_isocdbg("cx231xx: called cx231xx_uninit_isoc\n");
871
872 dev->video_mode.isoc_ctl.nfields = -1;
873 for (i = 0; i < dev->video_mode.isoc_ctl.num_bufs; i++) {
874 urb = dev->video_mode.isoc_ctl.urb[i];
875 if (urb) {
876 if (!irqs_disabled())
877 usb_kill_urb(urb);
878 else
879 usb_unlink_urb(urb);
880
881 if (dev->video_mode.isoc_ctl.transfer_buffer[i]) {
882 usb_free_coherent(dev->udev,
883 urb->transfer_buffer_length,
884 dev->video_mode.isoc_ctl.
885 transfer_buffer[i],
886 urb->transfer_dma);
887 }
888 usb_free_urb(urb);
889 dev->video_mode.isoc_ctl.urb[i] = NULL;
890 }
891 dev->video_mode.isoc_ctl.transfer_buffer[i] = NULL;
892 }
893
894 kfree(dev->video_mode.isoc_ctl.urb);
895 kfree(dev->video_mode.isoc_ctl.transfer_buffer);
896 kfree(dma_q->p_left_data);
897
898 dev->video_mode.isoc_ctl.urb = NULL;
899 dev->video_mode.isoc_ctl.transfer_buffer = NULL;
900 dev->video_mode.isoc_ctl.num_bufs = 0;
901 dma_q->p_left_data = NULL;
902
903 if (dev->mode_tv == 0)
904 cx231xx_capture_start(dev, 0, Raw_Video);
905 else
906 cx231xx_capture_start(dev, 0, TS1_serial_mode);
907
908
909 }
910 EXPORT_SYMBOL_GPL(cx231xx_uninit_isoc);
911
912 /*
913 * Stop and Deallocate URBs
914 */
915 void cx231xx_uninit_bulk(struct cx231xx *dev)
916 {
917 struct cx231xx_dmaqueue *dma_q = &dev->video_mode.vidq;
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.bulk_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 kfree(dma_q->p_left_data);
948
949 dev->video_mode.bulk_ctl.urb = NULL;
950 dev->video_mode.bulk_ctl.transfer_buffer = NULL;
951 dev->video_mode.bulk_ctl.num_bufs = 0;
952 dma_q->p_left_data = NULL;
953
954 if (dev->mode_tv == 0)
955 cx231xx_capture_start(dev, 0, Raw_Video);
956 else
957 cx231xx_capture_start(dev, 0, TS1_serial_mode);
958
959
960 }
961 EXPORT_SYMBOL_GPL(cx231xx_uninit_bulk);
962
963 /*
964 * Allocate URBs and start IRQ
965 */
966 int cx231xx_init_isoc(struct cx231xx *dev, int max_packets,
967 int num_bufs, int max_pkt_size,
968 int (*isoc_copy) (struct cx231xx *dev, struct urb *urb))
969 {
970 struct cx231xx_dmaqueue *dma_q = &dev->video_mode.vidq;
971 int i;
972 int sb_size, pipe;
973 struct urb *urb;
974 int j, k;
975 int rc;
976
977 /* De-allocates all pending stuff */
978 cx231xx_uninit_isoc(dev);
979
980 dma_q->p_left_data = kzalloc(4096, GFP_KERNEL);
981 if (dma_q->p_left_data == NULL)
982 return -ENOMEM;
983
984 dev->video_mode.isoc_ctl.isoc_copy = isoc_copy;
985 dev->video_mode.isoc_ctl.num_bufs = num_bufs;
986 dma_q->pos = 0;
987 dma_q->is_partial_line = 0;
988 dma_q->last_sav = 0;
989 dma_q->current_field = -1;
990 dma_q->field1_done = 0;
991 dma_q->lines_per_field = dev->height / 2;
992 dma_q->bytes_left_in_line = dev->width << 1;
993 dma_q->lines_completed = 0;
994 dma_q->mpeg_buffer_done = 0;
995 dma_q->left_data_count = 0;
996 dma_q->mpeg_buffer_completed = 0;
997 dma_q->add_ps_package_head = CX231XX_NEED_ADD_PS_PACKAGE_HEAD;
998 dma_q->ps_head[0] = 0x00;
999 dma_q->ps_head[1] = 0x00;
1000 dma_q->ps_head[2] = 0x01;
1001 dma_q->ps_head[3] = 0xBA;
1002 for (i = 0; i < 8; i++)
1003 dma_q->partial_buf[i] = 0;
1004
1005 dev->video_mode.isoc_ctl.urb =
1006 kzalloc(sizeof(void *) * num_bufs, GFP_KERNEL);
1007 if (!dev->video_mode.isoc_ctl.urb) {
1008 dev_err(dev->dev,
1009 "cannot alloc memory for usb buffers\n");
1010 return -ENOMEM;
1011 }
1012
1013 dev->video_mode.isoc_ctl.transfer_buffer =
1014 kzalloc(sizeof(void *) * num_bufs, GFP_KERNEL);
1015 if (!dev->video_mode.isoc_ctl.transfer_buffer) {
1016 dev_err(dev->dev,
1017 "cannot allocate memory for usbtransfer\n");
1018 kfree(dev->video_mode.isoc_ctl.urb);
1019 return -ENOMEM;
1020 }
1021
1022 dev->video_mode.isoc_ctl.max_pkt_size = max_pkt_size;
1023 dev->video_mode.isoc_ctl.buf = NULL;
1024
1025 sb_size = max_packets * dev->video_mode.isoc_ctl.max_pkt_size;
1026
1027 if (dev->mode_tv == 1)
1028 dev->video_mode.end_point_addr = 0x81;
1029 else
1030 dev->video_mode.end_point_addr = 0x84;
1031
1032
1033 /* allocate urbs and transfer buffers */
1034 for (i = 0; i < dev->video_mode.isoc_ctl.num_bufs; i++) {
1035 urb = usb_alloc_urb(max_packets, GFP_KERNEL);
1036 if (!urb) {
1037 dev_err(dev->dev,
1038 "cannot alloc isoc_ctl.urb %i\n", i);
1039 cx231xx_uninit_isoc(dev);
1040 return -ENOMEM;
1041 }
1042 dev->video_mode.isoc_ctl.urb[i] = urb;
1043
1044 dev->video_mode.isoc_ctl.transfer_buffer[i] =
1045 usb_alloc_coherent(dev->udev, sb_size, GFP_KERNEL,
1046 &urb->transfer_dma);
1047 if (!dev->video_mode.isoc_ctl.transfer_buffer[i]) {
1048 dev_err(dev->dev,
1049 "unable to allocate %i bytes for transfer buffer %i%s\n",
1050 sb_size, i,
1051 in_interrupt() ? " while in int" : "");
1052 cx231xx_uninit_isoc(dev);
1053 return -ENOMEM;
1054 }
1055 memset(dev->video_mode.isoc_ctl.transfer_buffer[i], 0, sb_size);
1056
1057 pipe =
1058 usb_rcvisocpipe(dev->udev, dev->video_mode.end_point_addr);
1059
1060 usb_fill_int_urb(urb, dev->udev, pipe,
1061 dev->video_mode.isoc_ctl.transfer_buffer[i],
1062 sb_size, cx231xx_isoc_irq_callback, dma_q, 1);
1063
1064 urb->number_of_packets = max_packets;
1065 urb->transfer_flags = URB_ISO_ASAP | URB_NO_TRANSFER_DMA_MAP;
1066
1067 k = 0;
1068 for (j = 0; j < max_packets; j++) {
1069 urb->iso_frame_desc[j].offset = k;
1070 urb->iso_frame_desc[j].length =
1071 dev->video_mode.isoc_ctl.max_pkt_size;
1072 k += dev->video_mode.isoc_ctl.max_pkt_size;
1073 }
1074 }
1075
1076 init_waitqueue_head(&dma_q->wq);
1077
1078 /* submit urbs and enables IRQ */
1079 for (i = 0; i < dev->video_mode.isoc_ctl.num_bufs; i++) {
1080 rc = usb_submit_urb(dev->video_mode.isoc_ctl.urb[i],
1081 GFP_ATOMIC);
1082 if (rc) {
1083 dev_err(dev->dev,
1084 "submit of urb %i failed (error=%i)\n", i,
1085 rc);
1086 cx231xx_uninit_isoc(dev);
1087 return rc;
1088 }
1089 }
1090
1091 if (dev->mode_tv == 0)
1092 cx231xx_capture_start(dev, 1, Raw_Video);
1093 else
1094 cx231xx_capture_start(dev, 1, TS1_serial_mode);
1095
1096 return 0;
1097 }
1098 EXPORT_SYMBOL_GPL(cx231xx_init_isoc);
1099
1100 /*
1101 * Allocate URBs and start IRQ
1102 */
1103 int cx231xx_init_bulk(struct cx231xx *dev, int max_packets,
1104 int num_bufs, int max_pkt_size,
1105 int (*bulk_copy) (struct cx231xx *dev, struct urb *urb))
1106 {
1107 struct cx231xx_dmaqueue *dma_q = &dev->video_mode.vidq;
1108 int i;
1109 int sb_size, pipe;
1110 struct urb *urb;
1111 int rc;
1112
1113 dev->video_input = dev->video_input > 2 ? 2 : dev->video_input;
1114
1115 cx231xx_coredbg("Setting Video mux to %d\n", dev->video_input);
1116
1117 video_mux(dev, dev->video_input);
1118
1119 /* De-allocates all pending stuff */
1120 cx231xx_uninit_bulk(dev);
1121
1122 dev->video_mode.bulk_ctl.bulk_copy = bulk_copy;
1123 dev->video_mode.bulk_ctl.num_bufs = num_bufs;
1124 dma_q->pos = 0;
1125 dma_q->is_partial_line = 0;
1126 dma_q->last_sav = 0;
1127 dma_q->current_field = -1;
1128 dma_q->field1_done = 0;
1129 dma_q->lines_per_field = dev->height / 2;
1130 dma_q->bytes_left_in_line = dev->width << 1;
1131 dma_q->lines_completed = 0;
1132 dma_q->mpeg_buffer_done = 0;
1133 dma_q->left_data_count = 0;
1134 dma_q->mpeg_buffer_completed = 0;
1135 dma_q->ps_head[0] = 0x00;
1136 dma_q->ps_head[1] = 0x00;
1137 dma_q->ps_head[2] = 0x01;
1138 dma_q->ps_head[3] = 0xBA;
1139 for (i = 0; i < 8; i++)
1140 dma_q->partial_buf[i] = 0;
1141
1142 dev->video_mode.bulk_ctl.urb =
1143 kzalloc(sizeof(void *) * num_bufs, GFP_KERNEL);
1144 if (!dev->video_mode.bulk_ctl.urb) {
1145 dev_err(dev->dev,
1146 "cannot alloc memory for usb buffers\n");
1147 return -ENOMEM;
1148 }
1149
1150 dev->video_mode.bulk_ctl.transfer_buffer =
1151 kzalloc(sizeof(void *) * num_bufs, GFP_KERNEL);
1152 if (!dev->video_mode.bulk_ctl.transfer_buffer) {
1153 dev_err(dev->dev,
1154 "cannot allocate memory for usbtransfer\n");
1155 kfree(dev->video_mode.bulk_ctl.urb);
1156 return -ENOMEM;
1157 }
1158
1159 dev->video_mode.bulk_ctl.max_pkt_size = max_pkt_size;
1160 dev->video_mode.bulk_ctl.buf = NULL;
1161
1162 sb_size = max_packets * dev->video_mode.bulk_ctl.max_pkt_size;
1163
1164 if (dev->mode_tv == 1)
1165 dev->video_mode.end_point_addr = 0x81;
1166 else
1167 dev->video_mode.end_point_addr = 0x84;
1168
1169
1170 /* allocate urbs and transfer buffers */
1171 for (i = 0; i < dev->video_mode.bulk_ctl.num_bufs; i++) {
1172 urb = usb_alloc_urb(0, GFP_KERNEL);
1173 if (!urb) {
1174 dev_err(dev->dev,
1175 "cannot alloc bulk_ctl.urb %i\n", i);
1176 cx231xx_uninit_bulk(dev);
1177 return -ENOMEM;
1178 }
1179 dev->video_mode.bulk_ctl.urb[i] = urb;
1180 urb->transfer_flags = URB_NO_TRANSFER_DMA_MAP;
1181
1182 dev->video_mode.bulk_ctl.transfer_buffer[i] =
1183 usb_alloc_coherent(dev->udev, sb_size, GFP_KERNEL,
1184 &urb->transfer_dma);
1185 if (!dev->video_mode.bulk_ctl.transfer_buffer[i]) {
1186 dev_err(dev->dev,
1187 "unable to allocate %i bytes for transfer buffer %i%s\n",
1188 sb_size, i,
1189 in_interrupt() ? " while in int" : "");
1190 cx231xx_uninit_bulk(dev);
1191 return -ENOMEM;
1192 }
1193 memset(dev->video_mode.bulk_ctl.transfer_buffer[i], 0, sb_size);
1194
1195 pipe = usb_rcvbulkpipe(dev->udev,
1196 dev->video_mode.end_point_addr);
1197 usb_fill_bulk_urb(urb, dev->udev, pipe,
1198 dev->video_mode.bulk_ctl.transfer_buffer[i],
1199 sb_size, cx231xx_bulk_irq_callback, dma_q);
1200 }
1201
1202 /* clear halt */
1203 rc = usb_clear_halt(dev->udev, dev->video_mode.bulk_ctl.urb[0]->pipe);
1204 if (rc < 0) {
1205 dev_err(dev->dev,
1206 "failed to clear USB bulk endpoint stall/halt condition (error=%i)\n",
1207 rc);
1208 cx231xx_uninit_bulk(dev);
1209 return rc;
1210 }
1211
1212 init_waitqueue_head(&dma_q->wq);
1213
1214 /* submit urbs and enables IRQ */
1215 for (i = 0; i < dev->video_mode.bulk_ctl.num_bufs; i++) {
1216 rc = usb_submit_urb(dev->video_mode.bulk_ctl.urb[i],
1217 GFP_ATOMIC);
1218 if (rc) {
1219 dev_err(dev->dev,
1220 "submit of urb %i failed (error=%i)\n", i, rc);
1221 cx231xx_uninit_bulk(dev);
1222 return rc;
1223 }
1224 }
1225
1226 if (dev->mode_tv == 0)
1227 cx231xx_capture_start(dev, 1, Raw_Video);
1228 else
1229 cx231xx_capture_start(dev, 1, TS1_serial_mode);
1230
1231 return 0;
1232 }
1233 EXPORT_SYMBOL_GPL(cx231xx_init_bulk);
1234 void cx231xx_stop_TS1(struct cx231xx *dev)
1235 {
1236 u8 val[4] = { 0, 0, 0, 0 };
1237
1238 val[0] = 0x00;
1239 val[1] = 0x03;
1240 val[2] = 0x00;
1241 val[3] = 0x00;
1242 cx231xx_write_ctrl_reg(dev, VRT_SET_REGISTER,
1243 TS_MODE_REG, val, 4);
1244
1245 val[0] = 0x00;
1246 val[1] = 0x70;
1247 val[2] = 0x04;
1248 val[3] = 0x00;
1249 cx231xx_write_ctrl_reg(dev, VRT_SET_REGISTER,
1250 TS1_CFG_REG, val, 4);
1251 }
1252 /* EXPORT_SYMBOL_GPL(cx231xx_stop_TS1); */
1253 void cx231xx_start_TS1(struct cx231xx *dev)
1254 {
1255 u8 val[4] = { 0, 0, 0, 0 };
1256
1257 val[0] = 0x03;
1258 val[1] = 0x03;
1259 val[2] = 0x00;
1260 val[3] = 0x00;
1261 cx231xx_write_ctrl_reg(dev, VRT_SET_REGISTER,
1262 TS_MODE_REG, val, 4);
1263
1264 val[0] = 0x04;
1265 val[1] = 0xA3;
1266 val[2] = 0x3B;
1267 val[3] = 0x00;
1268 cx231xx_write_ctrl_reg(dev, VRT_SET_REGISTER,
1269 TS1_CFG_REG, val, 4);
1270 }
1271 /* EXPORT_SYMBOL_GPL(cx231xx_start_TS1); */
1272 /*****************************************************************
1273 * Device Init/UnInit functions *
1274 ******************************************************************/
1275 int cx231xx_dev_init(struct cx231xx *dev)
1276 {
1277 int errCode = 0;
1278
1279 /* Initialize I2C bus */
1280
1281 /* External Master 1 Bus */
1282 dev->i2c_bus[0].nr = 0;
1283 dev->i2c_bus[0].dev = dev;
1284 dev->i2c_bus[0].i2c_period = I2C_SPEED_100K; /* 100 KHz */
1285 dev->i2c_bus[0].i2c_nostop = 0;
1286 dev->i2c_bus[0].i2c_reserve = 0;
1287
1288 /* External Master 2 Bus */
1289 dev->i2c_bus[1].nr = 1;
1290 dev->i2c_bus[1].dev = dev;
1291 dev->i2c_bus[1].i2c_period = I2C_SPEED_100K; /* 100 KHz */
1292 dev->i2c_bus[1].i2c_nostop = 0;
1293 dev->i2c_bus[1].i2c_reserve = 0;
1294
1295 /* Internal Master 3 Bus */
1296 dev->i2c_bus[2].nr = 2;
1297 dev->i2c_bus[2].dev = dev;
1298 dev->i2c_bus[2].i2c_period = I2C_SPEED_100K; /* 100kHz */
1299 dev->i2c_bus[2].i2c_nostop = 0;
1300 dev->i2c_bus[2].i2c_reserve = 0;
1301
1302 /* register I2C buses */
1303 cx231xx_i2c_register(&dev->i2c_bus[0]);
1304 cx231xx_i2c_register(&dev->i2c_bus[1]);
1305 cx231xx_i2c_register(&dev->i2c_bus[2]);
1306
1307 errCode = cx231xx_i2c_mux_create(dev);
1308 if (errCode < 0)
1309 return errCode;
1310 cx231xx_i2c_mux_register(dev, 0);
1311 cx231xx_i2c_mux_register(dev, 1);
1312
1313 /* scan the real bus segments in the order of physical port numbers */
1314 cx231xx_do_i2c_scan(dev, I2C_0);
1315 cx231xx_do_i2c_scan(dev, I2C_1_MUX_1);
1316 cx231xx_do_i2c_scan(dev, I2C_2);
1317 cx231xx_do_i2c_scan(dev, I2C_1_MUX_3);
1318
1319 /* init hardware */
1320 /* Note : with out calling set power mode function,
1321 afe can not be set up correctly */
1322 if (dev->board.external_av) {
1323 errCode = cx231xx_set_power_mode(dev,
1324 POLARIS_AVMODE_ENXTERNAL_AV);
1325 if (errCode < 0) {
1326 dev_err(dev->dev,
1327 "%s: Failed to set Power - errCode [%d]!\n",
1328 __func__, errCode);
1329 return errCode;
1330 }
1331 } else {
1332 errCode = cx231xx_set_power_mode(dev,
1333 POLARIS_AVMODE_ANALOGT_TV);
1334 if (errCode < 0) {
1335 dev_err(dev->dev,
1336 "%s: Failed to set Power - errCode [%d]!\n",
1337 __func__, errCode);
1338 return errCode;
1339 }
1340 }
1341
1342 /* reset the Tuner, if it is a Xceive tuner */
1343 if ((dev->board.tuner_type == TUNER_XC5000) ||
1344 (dev->board.tuner_type == TUNER_XC2028))
1345 cx231xx_gpio_set(dev, dev->board.tuner_gpio);
1346
1347 /* initialize Colibri block */
1348 errCode = cx231xx_afe_init_super_block(dev, 0x23c);
1349 if (errCode < 0) {
1350 dev_err(dev->dev,
1351 "%s: cx231xx_afe init super block - errCode [%d]!\n",
1352 __func__, errCode);
1353 return errCode;
1354 }
1355 errCode = cx231xx_afe_init_channels(dev);
1356 if (errCode < 0) {
1357 dev_err(dev->dev,
1358 "%s: cx231xx_afe init channels - errCode [%d]!\n",
1359 __func__, errCode);
1360 return errCode;
1361 }
1362
1363 /* Set DIF in By pass mode */
1364 errCode = cx231xx_dif_set_standard(dev, DIF_USE_BASEBAND);
1365 if (errCode < 0) {
1366 dev_err(dev->dev,
1367 "%s: cx231xx_dif set to By pass mode - errCode [%d]!\n",
1368 __func__, errCode);
1369 return errCode;
1370 }
1371
1372 /* I2S block related functions */
1373 errCode = cx231xx_i2s_blk_initialize(dev);
1374 if (errCode < 0) {
1375 dev_err(dev->dev,
1376 "%s: cx231xx_i2s block initialize - errCode [%d]!\n",
1377 __func__, errCode);
1378 return errCode;
1379 }
1380
1381 /* init control pins */
1382 errCode = cx231xx_init_ctrl_pin_status(dev);
1383 if (errCode < 0) {
1384 dev_err(dev->dev,
1385 "%s: cx231xx_init ctrl pins - errCode [%d]!\n",
1386 __func__, errCode);
1387 return errCode;
1388 }
1389
1390 /* set AGC mode to Analog */
1391 switch (dev->model) {
1392 case CX231XX_BOARD_CNXT_CARRAERA:
1393 case CX231XX_BOARD_CNXT_RDE_250:
1394 case CX231XX_BOARD_CNXT_SHELBY:
1395 case CX231XX_BOARD_CNXT_RDU_250:
1396 errCode = cx231xx_set_agc_analog_digital_mux_select(dev, 1);
1397 break;
1398 case CX231XX_BOARD_CNXT_RDE_253S:
1399 case CX231XX_BOARD_CNXT_RDU_253S:
1400 case CX231XX_BOARD_HAUPPAUGE_EXETER:
1401 case CX231XX_BOARD_HAUPPAUGE_930C_HD_1113xx:
1402 case CX231XX_BOARD_PV_PLAYTV_USB_HYBRID:
1403 case CX231XX_BOARD_HAUPPAUGE_USB2_FM_PAL:
1404 case CX231XX_BOARD_HAUPPAUGE_USB2_FM_NTSC:
1405 errCode = cx231xx_set_agc_analog_digital_mux_select(dev, 0);
1406 break;
1407 default:
1408 break;
1409 }
1410 if (errCode < 0) {
1411 dev_err(dev->dev,
1412 "%s: cx231xx_AGC mode to Analog - errCode [%d]!\n",
1413 __func__, errCode);
1414 return errCode;
1415 }
1416
1417 /* set all alternate settings to zero initially */
1418 cx231xx_set_alt_setting(dev, INDEX_VIDEO, 0);
1419 cx231xx_set_alt_setting(dev, INDEX_VANC, 0);
1420 cx231xx_set_alt_setting(dev, INDEX_HANC, 0);
1421 if (dev->board.has_dvb)
1422 cx231xx_set_alt_setting(dev, INDEX_TS1, 0);
1423
1424 errCode = 0;
1425 return errCode;
1426 }
1427 EXPORT_SYMBOL_GPL(cx231xx_dev_init);
1428
1429 void cx231xx_dev_uninit(struct cx231xx *dev)
1430 {
1431 /* Un Initialize I2C bus */
1432 cx231xx_i2c_mux_unregister(dev);
1433 cx231xx_i2c_unregister(&dev->i2c_bus[2]);
1434 cx231xx_i2c_unregister(&dev->i2c_bus[1]);
1435 cx231xx_i2c_unregister(&dev->i2c_bus[0]);
1436 }
1437 EXPORT_SYMBOL_GPL(cx231xx_dev_uninit);
1438
1439 /*****************************************************************
1440 * G P I O related functions *
1441 ******************************************************************/
1442 int cx231xx_send_gpio_cmd(struct cx231xx *dev, u32 gpio_bit, u8 *gpio_val,
1443 u8 len, u8 request, u8 direction)
1444 {
1445 int status = 0;
1446 struct VENDOR_REQUEST_IN ven_req;
1447
1448 /* Set wValue */
1449 ven_req.wValue = (u16) (gpio_bit >> 16 & 0xffff);
1450
1451 /* set request */
1452 if (!request) {
1453 if (direction)
1454 ven_req.bRequest = VRT_GET_GPIO; /* 0x8 gpio */
1455 else
1456 ven_req.bRequest = VRT_SET_GPIO; /* 0x9 gpio */
1457 } else {
1458 if (direction)
1459 ven_req.bRequest = VRT_GET_GPIE; /* 0xa gpie */
1460 else
1461 ven_req.bRequest = VRT_SET_GPIE; /* 0xb gpie */
1462 }
1463
1464 /* set index value */
1465 ven_req.wIndex = (u16) (gpio_bit & 0xffff);
1466
1467 /* set wLength value */
1468 ven_req.wLength = len;
1469
1470 /* set bData value */
1471 ven_req.bData = 0;
1472
1473 /* set the buffer for read / write */
1474 ven_req.pBuff = gpio_val;
1475
1476 /* set the direction */
1477 if (direction) {
1478 ven_req.direction = USB_DIR_IN;
1479 memset(ven_req.pBuff, 0x00, ven_req.wLength);
1480 } else
1481 ven_req.direction = USB_DIR_OUT;
1482
1483
1484 /* call common vendor command request */
1485 status = cx231xx_send_vendor_cmd(dev, &ven_req);
1486 if (status < 0) {
1487 dev_err(dev->dev, "%s: failed with status -%d\n",
1488 __func__, status);
1489 }
1490
1491 return status;
1492 }
1493 EXPORT_SYMBOL_GPL(cx231xx_send_gpio_cmd);
1494
1495 /*****************************************************************
1496 * C O N T R O L - Register R E A D / W R I T E functions *
1497 *****************************************************************/
1498 int cx231xx_mode_register(struct cx231xx *dev, u16 address, u32 mode)
1499 {
1500 u8 value[4] = { 0x0, 0x0, 0x0, 0x0 };
1501 u32 tmp = 0;
1502 int status = 0;
1503
1504 status =
1505 cx231xx_read_ctrl_reg(dev, VRT_GET_REGISTER, address, value, 4);
1506 if (status < 0)
1507 return status;
1508
1509 tmp = le32_to_cpu(*((__le32 *) value));
1510 tmp |= mode;
1511
1512 value[0] = (u8) tmp;
1513 value[1] = (u8) (tmp >> 8);
1514 value[2] = (u8) (tmp >> 16);
1515 value[3] = (u8) (tmp >> 24);
1516
1517 status =
1518 cx231xx_write_ctrl_reg(dev, VRT_SET_REGISTER, address, value, 4);
1519
1520 return status;
1521 }
1522
1523 /*****************************************************************
1524 * I 2 C Internal C O N T R O L functions *
1525 *****************************************************************/
1526 int cx231xx_read_i2c_master(struct cx231xx *dev, u8 dev_addr, u16 saddr,
1527 u8 saddr_len, u32 *data, u8 data_len, int master)
1528 {
1529 int status = 0;
1530 struct cx231xx_i2c_xfer_data req_data;
1531 u8 value[64] = "0";
1532
1533 if (saddr_len == 0)
1534 saddr = 0;
1535 else if (saddr_len == 1)
1536 saddr &= 0xff;
1537
1538 /* prepare xfer_data struct */
1539 req_data.dev_addr = dev_addr >> 1;
1540 req_data.direction = I2C_M_RD;
1541 req_data.saddr_len = saddr_len;
1542 req_data.saddr_dat = saddr;
1543 req_data.buf_size = data_len;
1544 req_data.p_buffer = (u8 *) value;
1545
1546 /* usb send command */
1547 if (master == 0)
1548 status = dev->cx231xx_send_usb_command(&dev->i2c_bus[0],
1549 &req_data);
1550 else if (master == 1)
1551 status = dev->cx231xx_send_usb_command(&dev->i2c_bus[1],
1552 &req_data);
1553 else if (master == 2)
1554 status = dev->cx231xx_send_usb_command(&dev->i2c_bus[2],
1555 &req_data);
1556
1557 if (status >= 0) {
1558 /* Copy the data read back to main buffer */
1559 if (data_len == 1)
1560 *data = value[0];
1561 else if (data_len == 4)
1562 *data =
1563 value[0] | value[1] << 8 | value[2] << 16 | value[3]
1564 << 24;
1565 else if (data_len > 4)
1566 *data = value[saddr];
1567 }
1568
1569 return status;
1570 }
1571
1572 int cx231xx_write_i2c_master(struct cx231xx *dev, u8 dev_addr, u16 saddr,
1573 u8 saddr_len, u32 data, u8 data_len, int master)
1574 {
1575 int status = 0;
1576 u8 value[4] = { 0, 0, 0, 0 };
1577 struct cx231xx_i2c_xfer_data req_data;
1578
1579 value[0] = (u8) data;
1580 value[1] = (u8) (data >> 8);
1581 value[2] = (u8) (data >> 16);
1582 value[3] = (u8) (data >> 24);
1583
1584 if (saddr_len == 0)
1585 saddr = 0;
1586 else if (saddr_len == 1)
1587 saddr &= 0xff;
1588
1589 /* prepare xfer_data struct */
1590 req_data.dev_addr = dev_addr >> 1;
1591 req_data.direction = 0;
1592 req_data.saddr_len = saddr_len;
1593 req_data.saddr_dat = saddr;
1594 req_data.buf_size = data_len;
1595 req_data.p_buffer = value;
1596
1597 /* usb send command */
1598 if (master == 0)
1599 status = dev->cx231xx_send_usb_command(&dev->i2c_bus[0],
1600 &req_data);
1601 else if (master == 1)
1602 status = dev->cx231xx_send_usb_command(&dev->i2c_bus[1],
1603 &req_data);
1604 else if (master == 2)
1605 status = dev->cx231xx_send_usb_command(&dev->i2c_bus[2],
1606 &req_data);
1607
1608 return status;
1609 }
1610
1611 int cx231xx_read_i2c_data(struct cx231xx *dev, u8 dev_addr, u16 saddr,
1612 u8 saddr_len, u32 *data, u8 data_len)
1613 {
1614 int status = 0;
1615 struct cx231xx_i2c_xfer_data req_data;
1616 u8 value[4] = { 0, 0, 0, 0 };
1617
1618 if (saddr_len == 0)
1619 saddr = 0;
1620 else if (saddr_len == 1)
1621 saddr &= 0xff;
1622
1623 /* prepare xfer_data struct */
1624 req_data.dev_addr = dev_addr >> 1;
1625 req_data.direction = I2C_M_RD;
1626 req_data.saddr_len = saddr_len;
1627 req_data.saddr_dat = saddr;
1628 req_data.buf_size = data_len;
1629 req_data.p_buffer = (u8 *) value;
1630
1631 /* usb send command */
1632 status = dev->cx231xx_send_usb_command(&dev->i2c_bus[0], &req_data);
1633
1634 if (status >= 0) {
1635 /* Copy the data read back to main buffer */
1636 if (data_len == 1)
1637 *data = value[0];
1638 else
1639 *data =
1640 value[0] | value[1] << 8 | value[2] << 16 | value[3]
1641 << 24;
1642 }
1643
1644 return status;
1645 }
1646
1647 int cx231xx_write_i2c_data(struct cx231xx *dev, u8 dev_addr, u16 saddr,
1648 u8 saddr_len, u32 data, u8 data_len)
1649 {
1650 int status = 0;
1651 u8 value[4] = { 0, 0, 0, 0 };
1652 struct cx231xx_i2c_xfer_data req_data;
1653
1654 value[0] = (u8) data;
1655 value[1] = (u8) (data >> 8);
1656 value[2] = (u8) (data >> 16);
1657 value[3] = (u8) (data >> 24);
1658
1659 if (saddr_len == 0)
1660 saddr = 0;
1661 else if (saddr_len == 1)
1662 saddr &= 0xff;
1663
1664 /* prepare xfer_data struct */
1665 req_data.dev_addr = dev_addr >> 1;
1666 req_data.direction = 0;
1667 req_data.saddr_len = saddr_len;
1668 req_data.saddr_dat = saddr;
1669 req_data.buf_size = data_len;
1670 req_data.p_buffer = value;
1671
1672 /* usb send command */
1673 status = dev->cx231xx_send_usb_command(&dev->i2c_bus[0], &req_data);
1674
1675 return status;
1676 }
1677
1678 int cx231xx_reg_mask_write(struct cx231xx *dev, u8 dev_addr, u8 size,
1679 u16 register_address, u8 bit_start, u8 bit_end,
1680 u32 value)
1681 {
1682 int status = 0;
1683 u32 tmp;
1684 u32 mask = 0;
1685 int i;
1686
1687 if (bit_start > (size - 1) || bit_end > (size - 1))
1688 return -1;
1689
1690 if (size == 8) {
1691 status =
1692 cx231xx_read_i2c_data(dev, dev_addr, register_address, 2,
1693 &tmp, 1);
1694 } else {
1695 status =
1696 cx231xx_read_i2c_data(dev, dev_addr, register_address, 2,
1697 &tmp, 4);
1698 }
1699
1700 if (status < 0)
1701 return status;
1702
1703 mask = 1 << bit_end;
1704 for (i = bit_end; i > bit_start && i > 0; i--)
1705 mask = mask + (1 << (i - 1));
1706
1707 value <<= bit_start;
1708
1709 if (size == 8) {
1710 tmp &= ~mask;
1711 tmp |= value;
1712 tmp &= 0xff;
1713 status =
1714 cx231xx_write_i2c_data(dev, dev_addr, register_address, 2,
1715 tmp, 1);
1716 } else {
1717 tmp &= ~mask;
1718 tmp |= value;
1719 status =
1720 cx231xx_write_i2c_data(dev, dev_addr, register_address, 2,
1721 tmp, 4);
1722 }
1723
1724 return status;
1725 }
1726
1727 int cx231xx_read_modify_write_i2c_dword(struct cx231xx *dev, u8 dev_addr,
1728 u16 saddr, u32 mask, u32 value)
1729 {
1730 u32 temp;
1731 int status = 0;
1732
1733 status = cx231xx_read_i2c_data(dev, dev_addr, saddr, 2, &temp, 4);
1734
1735 if (status < 0)
1736 return status;
1737
1738 temp &= ~mask;
1739 temp |= value;
1740
1741 status = cx231xx_write_i2c_data(dev, dev_addr, saddr, 2, temp, 4);
1742
1743 return status;
1744 }
1745
1746 u32 cx231xx_set_field(u32 field_mask, u32 data)
1747 {
1748 u32 temp;
1749
1750 for (temp = field_mask; (temp & 1) == 0; temp >>= 1)
1751 data <<= 1;
1752
1753 return data;
1754 }
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