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[media] cx231xx: add support for Hauppauge EXETER
[linux-2.6/linux-acpi-2.6/ibm-acpi-2.6.git] / drivers / media / video / cx231xx / cx231xx-core.c
blobb75e9e7dd502ad15945ebed397d180caa7c976e2
1 /*
2 cx231xx-core.c - driver for Conexant Cx23100/101/102
3 USB video capture devices
4
5 Copyright (C) 2008 <srinivasa.deevi at conexant dot com>
6 Based on em28xx driver
7
8 This program is free software; you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 2 of the License, or
11 (at your option) any later version.
12
13 This program is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
17
18 You should have received a copy of the GNU General Public License
19 along with this program; if not, write to the Free Software
20 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
21 */
22
23 #include <linux/init.h>
24 #include <linux/list.h>
25 #include <linux/module.h>
26 #include <linux/slab.h>
27 #include <linux/usb.h>
28 #include <linux/vmalloc.h>
29 #include <media/v4l2-common.h>
30 #include <media/tuner.h>
31
32 #include "cx231xx.h"
33 #include "cx231xx-reg.h"
34
35 /* #define ENABLE_DEBUG_ISOC_FRAMES */
36
37 static unsigned int core_debug;
38 module_param(core_debug, int, 0644);
39 MODULE_PARM_DESC(core_debug, "enable debug messages [core]");
40
41 #define cx231xx_coredbg(fmt, arg...) do {\
42 if (core_debug) \
43 printk(KERN_INFO "%s %s :"fmt, \
44 dev->name, __func__ , ##arg); } while (0)
45
46 static unsigned int reg_debug;
47 module_param(reg_debug, int, 0644);
48 MODULE_PARM_DESC(reg_debug, "enable debug messages [URB reg]");
49
50 #define cx231xx_regdbg(fmt, arg...) do {\
51 if (reg_debug) \
52 printk(KERN_INFO "%s %s :"fmt, \
53 dev->name, __func__ , ##arg); } while (0)
54
55 static int alt = CX231XX_PINOUT;
56 module_param(alt, int, 0644);
57 MODULE_PARM_DESC(alt, "alternate setting to use for video endpoint");
58
59 #define cx231xx_isocdbg(fmt, arg...) do {\
60 if (core_debug) \
61 printk(KERN_INFO "%s %s :"fmt, \
62 dev->name, __func__ , ##arg); } while (0)
63
64 /*****************************************************************
65 * Device control list functions *
66 ******************************************************************/
67
68 LIST_HEAD(cx231xx_devlist);
69 static DEFINE_MUTEX(cx231xx_devlist_mutex);
70
71 /*
72 * cx231xx_realease_resources()
73 * unregisters the v4l2,i2c and usb devices
74 * called when the device gets disconected or at module unload
75 */
76 void cx231xx_remove_from_devlist(struct cx231xx *dev)
77 {
78 if (dev == NULL)
79 return;
80 if (dev->udev == NULL)
81 return;
82
83 if (atomic_read(&dev->devlist_count) > 0) {
84 mutex_lock(&cx231xx_devlist_mutex);
85 list_del(&dev->devlist);
86 atomic_dec(&dev->devlist_count);
87 mutex_unlock(&cx231xx_devlist_mutex);
88 }
89 };
90
91 void cx231xx_add_into_devlist(struct cx231xx *dev)
92 {
93 mutex_lock(&cx231xx_devlist_mutex);
94 list_add_tail(&dev->devlist, &cx231xx_devlist);
95 atomic_inc(&dev->devlist_count);
96 mutex_unlock(&cx231xx_devlist_mutex);
97 };
98
99 static LIST_HEAD(cx231xx_extension_devlist);
100 static DEFINE_MUTEX(cx231xx_extension_devlist_lock);
101
102 int cx231xx_register_extension(struct cx231xx_ops *ops)
103 {
104 struct cx231xx *dev = NULL;
105
106 mutex_lock(&cx231xx_devlist_mutex);
107 mutex_lock(&cx231xx_extension_devlist_lock);
108 list_add_tail(&ops->next, &cx231xx_extension_devlist);
109 list_for_each_entry(dev, &cx231xx_devlist, devlist)
110 ops->init(dev);
111
112 printk(KERN_INFO DRIVER_NAME ": %s initialized\n", ops->name);
113 mutex_unlock(&cx231xx_extension_devlist_lock);
114 mutex_unlock(&cx231xx_devlist_mutex);
115 return 0;
116 }
117 EXPORT_SYMBOL(cx231xx_register_extension);
118
119 void cx231xx_unregister_extension(struct cx231xx_ops *ops)
120 {
121 struct cx231xx *dev = NULL;
122
123 mutex_lock(&cx231xx_devlist_mutex);
124 list_for_each_entry(dev, &cx231xx_devlist, devlist)
125 ops->fini(dev);
126
127
128 mutex_lock(&cx231xx_extension_devlist_lock);
129 printk(KERN_INFO DRIVER_NAME ": %s removed\n", ops->name);
130 list_del(&ops->next);
131 mutex_unlock(&cx231xx_extension_devlist_lock);
132 mutex_unlock(&cx231xx_devlist_mutex);
133 }
134 EXPORT_SYMBOL(cx231xx_unregister_extension);
135
136 void cx231xx_init_extension(struct cx231xx *dev)
137 {
138 struct cx231xx_ops *ops = NULL;
139
140 mutex_lock(&cx231xx_extension_devlist_lock);
141 if (!list_empty(&cx231xx_extension_devlist)) {
142 list_for_each_entry(ops, &cx231xx_extension_devlist, next) {
143 if (ops->init)
144 ops->init(dev);
145 }
146 }
147 mutex_unlock(&cx231xx_extension_devlist_lock);
148 }
149
150 void cx231xx_close_extension(struct cx231xx *dev)
151 {
152 struct cx231xx_ops *ops = NULL;
153
154 mutex_lock(&cx231xx_extension_devlist_lock);
155 if (!list_empty(&cx231xx_extension_devlist)) {
156 list_for_each_entry(ops, &cx231xx_extension_devlist, next) {
157 if (ops->fini)
158 ops->fini(dev);
159 }
160 }
161 mutex_unlock(&cx231xx_extension_devlist_lock);
162 }
163
164 /****************************************************************
165 * U S B related functions *
166 *****************************************************************/
167 int cx231xx_send_usb_command(struct cx231xx_i2c *i2c_bus,
168 struct cx231xx_i2c_xfer_data *req_data)
169 {
170 int status = 0;
171 struct cx231xx *dev = i2c_bus->dev;
172 struct VENDOR_REQUEST_IN ven_req;
173
174 u8 saddr_len = 0;
175 u8 _i2c_period = 0;
176 u8 _i2c_nostop = 0;
177 u8 _i2c_reserve = 0;
178
179 /* Get the I2C period, nostop and reserve parameters */
180 _i2c_period = i2c_bus->i2c_period;
181 _i2c_nostop = i2c_bus->i2c_nostop;
182 _i2c_reserve = i2c_bus->i2c_reserve;
183
184 saddr_len = req_data->saddr_len;
185
186 /* Set wValue */
187 if (saddr_len == 1) /* need check saddr_len == 0 */
188 ven_req.wValue =
189 req_data->
190 dev_addr << 9 | _i2c_period << 4 | saddr_len << 2 |
191 _i2c_nostop << 1 | I2C_SYNC | _i2c_reserve << 6;
192 else
193 ven_req.wValue =
194 req_data->
195 dev_addr << 9 | _i2c_period << 4 | saddr_len << 2 |
196 _i2c_nostop << 1 | I2C_SYNC | _i2c_reserve << 6;
197
198 /* set channel number */
199 if (req_data->direction & I2C_M_RD) {
200 /* channel number, for read,spec required channel_num +4 */
201 ven_req.bRequest = i2c_bus->nr + 4;
202 } else
203 ven_req.bRequest = i2c_bus->nr; /* channel number, */
204
205 /* set index value */
206 switch (saddr_len) {
207 case 0:
208 ven_req.wIndex = 0; /* need check */
209 break;
210 case 1:
211 ven_req.wIndex = (req_data->saddr_dat & 0xff);
212 break;
213 case 2:
214 ven_req.wIndex = req_data->saddr_dat;
215 break;
216 }
217
218 /* set wLength value */
219 ven_req.wLength = req_data->buf_size;
220
221 /* set bData value */
222 ven_req.bData = 0;
223
224 /* set the direction */
225 if (req_data->direction) {
226 ven_req.direction = USB_DIR_IN;
227 memset(req_data->p_buffer, 0x00, ven_req.wLength);
228 } else
229 ven_req.direction = USB_DIR_OUT;
230
231 /* set the buffer for read / write */
232 ven_req.pBuff = req_data->p_buffer;
233
234
235 /* call common vendor command request */
236 status = cx231xx_send_vendor_cmd(dev, &ven_req);
237 if (status < 0) {
238 cx231xx_info
239 ("UsbInterface::sendCommand, failed with status -%d\n",
240 status);
241 }
242
243 return status;
244 }
245 EXPORT_SYMBOL_GPL(cx231xx_send_usb_command);
246
247 /*
248 * cx231xx_read_ctrl_reg()
249 * reads data from the usb device specifying bRequest and wValue
250 */
251 int cx231xx_read_ctrl_reg(struct cx231xx *dev, u8 req, u16 reg,
252 char *buf, int len)
253 {
254 u8 val = 0;
255 int ret;
256 int pipe = usb_rcvctrlpipe(dev->udev, 0);
257
258 if (dev->state & DEV_DISCONNECTED)
259 return -ENODEV;
260
261 if (len > URB_MAX_CTRL_SIZE)
262 return -EINVAL;
263
264 switch (len) {
265 case 1:
266 val = ENABLE_ONE_BYTE;
267 break;
268 case 2:
269 val = ENABLE_TWE_BYTE;
270 break;
271 case 3:
272 val = ENABLE_THREE_BYTE;
273 break;
274 case 4:
275 val = ENABLE_FOUR_BYTE;
276 break;
277 default:
278 val = 0xFF; /* invalid option */
279 }
280
281 if (val == 0xFF)
282 return -EINVAL;
283
284 if (reg_debug) {
285 cx231xx_isocdbg("(pipe 0x%08x): "
286 "IN: %02x %02x %02x %02x %02x %02x %02x %02x ",
287 pipe,
288 USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
289 req, 0, val,
290 reg & 0xff, reg >> 8, len & 0xff, len >> 8);
291 }
292
293 mutex_lock(&dev->ctrl_urb_lock);
294 ret = usb_control_msg(dev->udev, pipe, req,
295 USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
296 val, reg, dev->urb_buf, len, HZ);
297 if (ret < 0) {
298 cx231xx_isocdbg(" failed!\n");
299 mutex_unlock(&dev->ctrl_urb_lock);
300 return ret;
301 }
302
303 if (len)
304 memcpy(buf, dev->urb_buf, len);
305
306 mutex_unlock(&dev->ctrl_urb_lock);
307
308 if (reg_debug) {
309 int byte;
310
311 cx231xx_isocdbg("<<<");
312 for (byte = 0; byte < len; byte++)
313 cx231xx_isocdbg(" %02x", (unsigned char)buf[byte]);
314 cx231xx_isocdbg("\n");
315 }
316
317 return ret;
318 }
319
320 int cx231xx_send_vendor_cmd(struct cx231xx *dev,
321 struct VENDOR_REQUEST_IN *ven_req)
322 {
323 int ret;
324 int pipe = 0;
325 int unsend_size = 0;
326 u8 *pdata;
327
328 if (dev->state & DEV_DISCONNECTED)
329 return -ENODEV;
330
331 if ((ven_req->wLength > URB_MAX_CTRL_SIZE))
332 return -EINVAL;
333
334 if (ven_req->direction)
335 pipe = usb_rcvctrlpipe(dev->udev, 0);
336 else
337 pipe = usb_sndctrlpipe(dev->udev, 0);
338
339 if (reg_debug) {
340 int byte;
341
342 cx231xx_isocdbg("(pipe 0x%08x): "
343 "OUT: %02x %02x %02x %04x %04x %04x >>>",
344 pipe,
345 ven_req->
346 direction | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
347 ven_req->bRequest, 0, ven_req->wValue,
348 ven_req->wIndex, ven_req->wLength);
349
350 for (byte = 0; byte < ven_req->wLength; byte++)
351 cx231xx_isocdbg(" %02x",
352 (unsigned char)ven_req->pBuff[byte]);
353 cx231xx_isocdbg("\n");
354 }
355
356
357 /*
358 If the cx23102 read more than 4 bytes with i2c bus,
359 need chop to 4 byte per request
360 */
361 if ((ven_req->wLength > 4) && ((ven_req->bRequest == 0x4) ||
362 (ven_req->bRequest == 0x5) ||
363 (ven_req->bRequest == 0x6))) {
364 unsend_size = 0;
365 pdata = ven_req->pBuff;
366
367
368 unsend_size = ven_req->wLength;
369
370 mutex_lock(&dev->ctrl_urb_lock);
371 /* the first package*/
372 ven_req->wValue = ven_req->wValue & 0xFFFB;
373 ven_req->wValue = (ven_req->wValue & 0xFFBD) | 0x2;
374 /*printk(KERN_INFO " !!!!! 0x%x 0x%x 0x%x 0x%x \n",
375 ven_req->bRequest,
376 ven_req->direction | USB_TYPE_VENDOR |
377 USB_RECIP_DEVICE,ven_req->wValue,ven_req->wIndex);*/
378 ret = usb_control_msg(dev->udev, pipe, ven_req->bRequest,
379 ven_req->
380 direction | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
381 ven_req->wValue, ven_req->wIndex, pdata,
382 0x0004, HZ);
383 unsend_size = unsend_size - 4;
384 mutex_unlock(&dev->ctrl_urb_lock);
385
386 /* the middle package*/
387 ven_req->wValue = (ven_req->wValue & 0xFFBD) | 0x42;
388 while (unsend_size - 4 > 0) {
389 pdata = pdata + 4;
390 /*printk(KERN_INFO " !!!!! 0x%x 0x%x 0x%x 0x%x \n",
391 ven_req->bRequest,
392 ven_req->direction | USB_TYPE_VENDOR |
393 USB_RECIP_DEVICE,
394 ven_req->wValue,ven_req->wIndex);*/
395 mutex_lock(&dev->ctrl_urb_lock);
396 ret = usb_control_msg(dev->udev, pipe,
397 ven_req->bRequest,
398 ven_req->
399 direction | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
400 ven_req->wValue, ven_req->wIndex, pdata,
401 0x0004, HZ);
402 mutex_unlock(&dev->ctrl_urb_lock);
403 unsend_size = unsend_size - 4;
404 }
405
406
407 /* the last package*/
408 ven_req->wValue = (ven_req->wValue & 0xFFBD) | 0x40;
409 pdata = pdata + 4;
410 /*printk(KERN_INFO " !!!!! 0x%x 0x%x 0x%x 0x%x \n",
411 ven_req->bRequest,
412 ven_req->direction | USB_TYPE_VENDOR |
413 USB_RECIP_DEVICE,ven_req->wValue,ven_req->wIndex);*/
414 mutex_lock(&dev->ctrl_urb_lock);
415 ret = usb_control_msg(dev->udev, pipe, ven_req->bRequest,
416 ven_req->
417 direction | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
418 ven_req->wValue, ven_req->wIndex, pdata,
419 unsend_size, HZ);
420 mutex_unlock(&dev->ctrl_urb_lock);
421 /*printk(KERN_INFO " @@@@@ temp_buffer[0]=0x%x 0x%x 0x%x 0x%x
422 0x%x 0x%x\n",ven_req->pBuff[0],ven_req->pBuff[1],
423 ven_req->pBuff[2], ven_req->pBuff[3],ven_req->pBuff[4],
424 ven_req->pBuff[5]);*/
425
426 } else {
427 mutex_lock(&dev->ctrl_urb_lock);
428 ret = usb_control_msg(dev->udev, pipe, ven_req->bRequest,
429 ven_req->
430 direction | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
431 ven_req->wValue, ven_req->wIndex,
432 ven_req->pBuff, ven_req->wLength, HZ);
433 mutex_unlock(&dev->ctrl_urb_lock);
434
435 }
436
437 return ret;
438 }
439
440 /*
441 * cx231xx_write_ctrl_reg()
442 * sends data to the usb device, specifying bRequest
443 */
444 int cx231xx_write_ctrl_reg(struct cx231xx *dev, u8 req, u16 reg, char *buf,
445 int len)
446 {
447 u8 val = 0;
448 int ret;
449 int pipe = usb_sndctrlpipe(dev->udev, 0);
450
451 if (dev->state & DEV_DISCONNECTED)
452 return -ENODEV;
453
454 if ((len < 1) || (len > URB_MAX_CTRL_SIZE))
455 return -EINVAL;
456
457 switch (len) {
458 case 1:
459 val = ENABLE_ONE_BYTE;
460 break;
461 case 2:
462 val = ENABLE_TWE_BYTE;
463 break;
464 case 3:
465 val = ENABLE_THREE_BYTE;
466 break;
467 case 4:
468 val = ENABLE_FOUR_BYTE;
469 break;
470 default:
471 val = 0xFF; /* invalid option */
472 }
473
474 if (val == 0xFF)
475 return -EINVAL;
476
477 if (reg_debug) {
478 int byte;
479
480 cx231xx_isocdbg("(pipe 0x%08x): "
481 "OUT: %02x %02x %02x %02x %02x %02x %02x %02x >>>",
482 pipe,
483 USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
484 req, 0, val, reg & 0xff,
485 reg >> 8, len & 0xff, len >> 8);
486
487 for (byte = 0; byte < len; byte++)
488 cx231xx_isocdbg(" %02x", (unsigned char)buf[byte]);
489 cx231xx_isocdbg("\n");
490 }
491
492 mutex_lock(&dev->ctrl_urb_lock);
493 memcpy(dev->urb_buf, buf, len);
494 ret = usb_control_msg(dev->udev, pipe, req,
495 USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
496 val, reg, dev->urb_buf, len, HZ);
497 mutex_unlock(&dev->ctrl_urb_lock);
498
499 return ret;
500 }
501
502 /****************************************************************
503 * USB Alternate Setting functions *
504 *****************************************************************/
505
506 int cx231xx_set_video_alternate(struct cx231xx *dev)
507 {
508 int errCode, prev_alt = dev->video_mode.alt;
509 unsigned int min_pkt_size = dev->width * 2 + 4;
510 u32 usb_interface_index = 0;
511
512 /* When image size is bigger than a certain value,
513 the frame size should be increased, otherwise, only
514 green screen will be received.
515 */
516 if (dev->width * 2 * dev->height > 720 * 240 * 2)
517 min_pkt_size *= 2;
518
519 if (dev->width > 360) {
520 /* resolutions: 720,704,640 */
521 dev->video_mode.alt = 3;
522 } else if (dev->width > 180) {
523 /* resolutions: 360,352,320,240 */
524 dev->video_mode.alt = 2;
525 } else if (dev->width > 0) {
526 /* resolutions: 180,176,160,128,88 */
527 dev->video_mode.alt = 1;
528 } else {
529 /* Change to alt0 BULK to release USB bandwidth */
530 dev->video_mode.alt = 0;
531 }
532
533 if (dev->USE_ISO == 0)
534 dev->video_mode.alt = 0;
535
536 cx231xx_info("dev->video_mode.alt= %d\n", dev->video_mode.alt);
537
538 /* Get the correct video interface Index */
539 usb_interface_index =
540 dev->current_pcb_config.hs_config_info[0].interface_info.
541 video_index + 1;
542
543 if (dev->video_mode.alt != prev_alt) {
544 cx231xx_coredbg("minimum isoc packet size: %u (alt=%d)\n",
545 min_pkt_size, dev->video_mode.alt);
546
547 if (dev->video_mode.alt_max_pkt_size != NULL)
548 dev->video_mode.max_pkt_size =
549 dev->video_mode.alt_max_pkt_size[dev->video_mode.alt];
550 cx231xx_coredbg("setting alternate %d with wMaxPacketSize=%u\n",
551 dev->video_mode.alt,
552 dev->video_mode.max_pkt_size);
553 cx231xx_info
554 (" setting alt %d with wMaxPktSize=%u , Interface = %d\n",
555 dev->video_mode.alt, dev->video_mode.max_pkt_size,
556 usb_interface_index);
557 errCode =
558 usb_set_interface(dev->udev, usb_interface_index,
559 dev->video_mode.alt);
560 if (errCode < 0) {
561 cx231xx_errdev
562 ("cannot change alt number to %d (error=%i)\n",
563 dev->video_mode.alt, errCode);
564 return errCode;
565 }
566 }
567 return 0;
568 }
569
570 int cx231xx_set_alt_setting(struct cx231xx *dev, u8 index, u8 alt)
571 {
572 int status = 0;
573 u32 usb_interface_index = 0;
574 u32 max_pkt_size = 0;
575
576 switch (index) {
577 case INDEX_TS1:
578 usb_interface_index =
579 dev->current_pcb_config.hs_config_info[0].interface_info.
580 ts1_index + 1;
581 dev->ts1_mode.alt = alt;
582 if (dev->ts1_mode.alt_max_pkt_size != NULL)
583 max_pkt_size = dev->ts1_mode.max_pkt_size =
584 dev->ts1_mode.alt_max_pkt_size[dev->ts1_mode.alt];
585 break;
586 case INDEX_TS2:
587 usb_interface_index =
588 dev->current_pcb_config.hs_config_info[0].interface_info.
589 ts2_index + 1;
590 break;
591 case INDEX_AUDIO:
592 usb_interface_index =
593 dev->current_pcb_config.hs_config_info[0].interface_info.
594 audio_index + 1;
595 dev->adev.alt = alt;
596 if (dev->adev.alt_max_pkt_size != NULL)
597 max_pkt_size = dev->adev.max_pkt_size =
598 dev->adev.alt_max_pkt_size[dev->adev.alt];
599 break;
600 case INDEX_VIDEO:
601 usb_interface_index =
602 dev->current_pcb_config.hs_config_info[0].interface_info.
603 video_index + 1;
604 dev->video_mode.alt = alt;
605 if (dev->video_mode.alt_max_pkt_size != NULL)
606 max_pkt_size = dev->video_mode.max_pkt_size =
607 dev->video_mode.alt_max_pkt_size[dev->video_mode.
608 alt];
609 break;
610 case INDEX_VANC:
611 usb_interface_index =
612 dev->current_pcb_config.hs_config_info[0].interface_info.
613 vanc_index + 1;
614 dev->vbi_mode.alt = alt;
615 if (dev->vbi_mode.alt_max_pkt_size != NULL)
616 max_pkt_size = dev->vbi_mode.max_pkt_size =
617 dev->vbi_mode.alt_max_pkt_size[dev->vbi_mode.alt];
618 break;
619 case INDEX_HANC:
620 usb_interface_index =
621 dev->current_pcb_config.hs_config_info[0].interface_info.
622 hanc_index + 1;
623 dev->sliced_cc_mode.alt = alt;
624 if (dev->sliced_cc_mode.alt_max_pkt_size != NULL)
625 max_pkt_size = dev->sliced_cc_mode.max_pkt_size =
626 dev->sliced_cc_mode.alt_max_pkt_size[dev->
627 sliced_cc_mode.
628 alt];
629 break;
630 default:
631 break;
632 }
633
634 if (alt > 0 && max_pkt_size == 0) {
635 cx231xx_errdev
636 ("can't change interface %d alt no. to %d: Max. Pkt size = 0\n",
637 usb_interface_index, alt);
638 /*To workaround error number=-71 on EP0 for videograbber,
639 need add following codes.*/
640 if (dev->model != CX231XX_BOARD_CNXT_VIDEO_GRABBER)
641 return -1;
642 }
643
644 cx231xx_info
645 (" setting alternate %d with wMaxPacketSize=%u , Interface = %d\n",
646 alt, max_pkt_size, usb_interface_index);
647
648 if (usb_interface_index > 0) {
649 status = usb_set_interface(dev->udev, usb_interface_index, alt);
650 if (status < 0) {
651 cx231xx_errdev
652 ("can't change interface %d alt no. to %d (err=%i)\n",
653 usb_interface_index, alt, status);
654 return status;
655 }
656 }
657
658 return status;
659 }
660 EXPORT_SYMBOL_GPL(cx231xx_set_alt_setting);
661
662 int cx231xx_gpio_set(struct cx231xx *dev, struct cx231xx_reg_seq *gpio)
663 {
664 int rc = 0;
665
666 if (!gpio)
667 return rc;
668
669 /* Send GPIO reset sequences specified at board entry */
670 while (gpio->sleep >= 0) {
671 rc = cx231xx_set_gpio_value(dev, gpio->bit, gpio->val);
672 if (rc < 0)
673 return rc;
674
675 if (gpio->sleep > 0)
676 msleep(gpio->sleep);
677
678 gpio++;
679 }
680 return rc;
681 }
682
683 int cx231xx_demod_reset(struct cx231xx *dev)
684 {
685
686 u8 status = 0;
687 u8 value[4] = { 0, 0, 0, 0 };
688
689 status = cx231xx_read_ctrl_reg(dev, VRT_GET_REGISTER, PWR_CTL_EN,
690 value, 4);
691 cx231xx_info("reg0x%x=0x%x 0x%x 0x%x 0x%x\n", PWR_CTL_EN, value[0],
692 value[1], value[2], value[3]);
693
694 cx231xx_info("Enter cx231xx_demod_reset()\n");
695 value[1] = (u8) 0x3;
696 status = cx231xx_write_ctrl_reg(dev, VRT_SET_REGISTER,
697 PWR_CTL_EN, value, 4);
698 msleep(10);
699
700 value[1] = (u8) 0x0;
701 status = cx231xx_write_ctrl_reg(dev, VRT_SET_REGISTER,
702 PWR_CTL_EN, value, 4);
703 msleep(10);
704
705 value[1] = (u8) 0x3;
706 status = cx231xx_write_ctrl_reg(dev, VRT_SET_REGISTER,
707 PWR_CTL_EN, value, 4);
708 msleep(10);
709
710
711
712 status = cx231xx_read_ctrl_reg(dev, VRT_GET_REGISTER, PWR_CTL_EN,
713 value, 4);
714 cx231xx_info("reg0x%x=0x%x 0x%x 0x%x 0x%x\n", PWR_CTL_EN, value[0],
715 value[1], value[2], value[3]);
716
717 return status;
718 }
719 EXPORT_SYMBOL_GPL(cx231xx_demod_reset);
720 int is_fw_load(struct cx231xx *dev)
721 {
722 return cx231xx_check_fw(dev);
723 }
724 EXPORT_SYMBOL_GPL(is_fw_load);
725
726 int cx231xx_set_mode(struct cx231xx *dev, enum cx231xx_mode set_mode)
727 {
728 int errCode = 0;
729
730 if (dev->mode == set_mode)
731 return 0;
732
733 if (set_mode == CX231XX_SUSPEND) {
734 /* Set the chip in power saving mode */
735 dev->mode = set_mode;
736 }
737
738 /* Resource is locked */
739 if (dev->mode != CX231XX_SUSPEND)
740 return -EINVAL;
741
742 dev->mode = set_mode;
743
744 if (dev->mode == CX231XX_DIGITAL_MODE)/* Set Digital power mode */ {
745 /* set AGC mode to Digital */
746 switch (dev->model) {
747 case CX231XX_BOARD_CNXT_CARRAERA:
748 case CX231XX_BOARD_CNXT_RDE_250:
749 case CX231XX_BOARD_CNXT_SHELBY:
750 case CX231XX_BOARD_CNXT_RDU_250:
751 errCode = cx231xx_set_agc_analog_digital_mux_select(dev, 0);
752 break;
753 case CX231XX_BOARD_CNXT_RDE_253S:
754 case CX231XX_BOARD_CNXT_RDU_253S:
755 case CX231XX_BOARD_HAUPPAUGE_EXETER:
756 errCode = cx231xx_set_agc_analog_digital_mux_select(dev, 1);
757 break;
758 default:
759 break;
760 }
761 } else/* Set Analog Power mode */ {
762 /* set AGC mode to Analog */
763 switch (dev->model) {
764 case CX231XX_BOARD_CNXT_CARRAERA:
765 case CX231XX_BOARD_CNXT_RDE_250:
766 case CX231XX_BOARD_CNXT_SHELBY:
767 case CX231XX_BOARD_CNXT_RDU_250:
768 errCode = cx231xx_set_agc_analog_digital_mux_select(dev, 1);
769 break;
770 case CX231XX_BOARD_CNXT_RDE_253S:
771 case CX231XX_BOARD_CNXT_RDU_253S:
772 case CX231XX_BOARD_HAUPPAUGE_EXETER:
773 errCode = cx231xx_set_agc_analog_digital_mux_select(dev, 0);
774 break;
775 default:
776 break;
777 }
778 }
779
780 return 0;
781 }
782 EXPORT_SYMBOL_GPL(cx231xx_set_mode);
783
784 int cx231xx_ep5_bulkout(struct cx231xx *dev, u8 *firmware, u16 size)
785 {
786 int errCode = 0;
787 int actlen, ret = -ENOMEM;
788 u32 *buffer;
789
790 buffer = kzalloc(4096, GFP_KERNEL);
791 if (buffer == NULL) {
792 cx231xx_info("out of mem\n");
793 return -ENOMEM;
794 }
795 memcpy(&buffer[0], firmware, 4096);
796
797 ret = usb_bulk_msg(dev->udev, usb_sndbulkpipe(dev->udev, 5),
798 buffer, 4096, &actlen, 2000);
799
800 if (ret)
801 cx231xx_info("bulk message failed: %d (%d/%d)", ret,
802 size, actlen);
803 else {
804 errCode = actlen != size ? -1 : 0;
805 }
806 kfree(buffer);
807 return 0;
808 }
809
810 /*****************************************************************
811 * URB Streaming functions *
812 ******************************************************************/
813
814 /*
815 * IRQ callback, called by URB callback
816 */
817 static void cx231xx_isoc_irq_callback(struct urb *urb)
818 {
819 struct cx231xx_dmaqueue *dma_q = urb->context;
820 struct cx231xx_video_mode *vmode =
821 container_of(dma_q, struct cx231xx_video_mode, vidq);
822 struct cx231xx *dev = container_of(vmode, struct cx231xx, video_mode);
823 int rc, i;
824
825 switch (urb->status) {
826 case 0: /* success */
827 case -ETIMEDOUT: /* NAK */
828 break;
829 case -ECONNRESET: /* kill */
830 case -ENOENT:
831 case -ESHUTDOWN:
832 return;
833 default: /* error */
834 cx231xx_isocdbg("urb completition error %d.\n", urb->status);
835 break;
836 }
837
838 /* Copy data from URB */
839 spin_lock(&dev->video_mode.slock);
840 rc = dev->video_mode.isoc_ctl.isoc_copy(dev, urb);
841 spin_unlock(&dev->video_mode.slock);
842
843 /* Reset urb buffers */
844 for (i = 0; i < urb->number_of_packets; i++) {
845 urb->iso_frame_desc[i].status = 0;
846 urb->iso_frame_desc[i].actual_length = 0;
847 }
848 urb->status = 0;
849
850 urb->status = usb_submit_urb(urb, GFP_ATOMIC);
851 if (urb->status) {
852 cx231xx_isocdbg("urb resubmit failed (error=%i)\n",
853 urb->status);
854 }
855 }
856 /*****************************************************************
857 * URB Streaming functions *
858 ******************************************************************/
859
860 /*
861 * IRQ callback, called by URB callback
862 */
863 static void cx231xx_bulk_irq_callback(struct urb *urb)
864 {
865 struct cx231xx_dmaqueue *dma_q = urb->context;
866 struct cx231xx_video_mode *vmode =
867 container_of(dma_q, struct cx231xx_video_mode, vidq);
868 struct cx231xx *dev = container_of(vmode, struct cx231xx, video_mode);
869 int rc;
870
871 switch (urb->status) {
872 case 0: /* success */
873 case -ETIMEDOUT: /* NAK */
874 break;
875 case -ECONNRESET: /* kill */
876 case -ENOENT:
877 case -ESHUTDOWN:
878 return;
879 default: /* error */
880 cx231xx_isocdbg("urb completition error %d.\n", urb->status);
881 break;
882 }
883
884 /* Copy data from URB */
885 spin_lock(&dev->video_mode.slock);
886 rc = dev->video_mode.bulk_ctl.bulk_copy(dev, urb);
887 spin_unlock(&dev->video_mode.slock);
888
889 /* Reset urb buffers */
890 urb->status = 0;
891
892 urb->status = usb_submit_urb(urb, GFP_ATOMIC);
893 if (urb->status) {
894 cx231xx_isocdbg("urb resubmit failed (error=%i)\n",
895 urb->status);
896 }
897 }
898 /*
899 * Stop and Deallocate URBs
900 */
901 void cx231xx_uninit_isoc(struct cx231xx *dev)
902 {
903 struct cx231xx_dmaqueue *dma_q = &dev->video_mode.vidq;
904 struct urb *urb;
905 int i;
906
907 cx231xx_isocdbg("cx231xx: called cx231xx_uninit_isoc\n");
908
909 dev->video_mode.isoc_ctl.nfields = -1;
910 for (i = 0; i < dev->video_mode.isoc_ctl.num_bufs; i++) {
911 urb = dev->video_mode.isoc_ctl.urb[i];
912 if (urb) {
913 if (!irqs_disabled())
914 usb_kill_urb(urb);
915 else
916 usb_unlink_urb(urb);
917
918 if (dev->video_mode.isoc_ctl.transfer_buffer[i]) {
919 usb_free_coherent(dev->udev,
920 urb->transfer_buffer_length,
921 dev->video_mode.isoc_ctl.
922 transfer_buffer[i],
923 urb->transfer_dma);
924 }
925 usb_free_urb(urb);
926 dev->video_mode.isoc_ctl.urb[i] = NULL;
927 }
928 dev->video_mode.isoc_ctl.transfer_buffer[i] = NULL;
929 }
930
931 kfree(dev->video_mode.isoc_ctl.urb);
932 kfree(dev->video_mode.isoc_ctl.transfer_buffer);
933 kfree(dma_q->p_left_data);
934
935 dev->video_mode.isoc_ctl.urb = NULL;
936 dev->video_mode.isoc_ctl.transfer_buffer = NULL;
937 dev->video_mode.isoc_ctl.num_bufs = 0;
938 dma_q->p_left_data = NULL;
939
940 if (dev->mode_tv == 0)
941 cx231xx_capture_start(dev, 0, Raw_Video);
942 else
943 cx231xx_capture_start(dev, 0, TS1_serial_mode);
944
945
946 }
947 EXPORT_SYMBOL_GPL(cx231xx_uninit_isoc);
948
949 /*
950 * Stop and Deallocate URBs
951 */
952 void cx231xx_uninit_bulk(struct cx231xx *dev)
953 {
954 struct urb *urb;
955 int i;
956
957 cx231xx_isocdbg("cx231xx: called cx231xx_uninit_bulk\n");
958
959 dev->video_mode.bulk_ctl.nfields = -1;
960 for (i = 0; i < dev->video_mode.bulk_ctl.num_bufs; i++) {
961 urb = dev->video_mode.bulk_ctl.urb[i];
962 if (urb) {
963 if (!irqs_disabled())
964 usb_kill_urb(urb);
965 else
966 usb_unlink_urb(urb);
967
968 if (dev->video_mode.bulk_ctl.transfer_buffer[i]) {
969 usb_free_coherent(dev->udev,
970 urb->transfer_buffer_length,
971 dev->video_mode.isoc_ctl.
972 transfer_buffer[i],
973 urb->transfer_dma);
974 }
975 usb_free_urb(urb);
976 dev->video_mode.bulk_ctl.urb[i] = NULL;
977 }
978 dev->video_mode.bulk_ctl.transfer_buffer[i] = NULL;
979 }
980
981 kfree(dev->video_mode.bulk_ctl.urb);
982 kfree(dev->video_mode.bulk_ctl.transfer_buffer);
983
984 dev->video_mode.bulk_ctl.urb = NULL;
985 dev->video_mode.bulk_ctl.transfer_buffer = NULL;
986 dev->video_mode.bulk_ctl.num_bufs = 0;
987
988 if (dev->mode_tv == 0)
989 cx231xx_capture_start(dev, 0, Raw_Video);
990 else
991 cx231xx_capture_start(dev, 0, TS1_serial_mode);
992
993
994 }
995 EXPORT_SYMBOL_GPL(cx231xx_uninit_bulk);
996
997 /*
998 * Allocate URBs and start IRQ
999 */
1000 int cx231xx_init_isoc(struct cx231xx *dev, int max_packets,
1001 int num_bufs, int max_pkt_size,
1002 int (*isoc_copy) (struct cx231xx *dev, struct urb *urb))
1003 {
1004 struct cx231xx_dmaqueue *dma_q = &dev->video_mode.vidq;
1005 int i;
1006 int sb_size, pipe;
1007 struct urb *urb;
1008 int j, k;
1009 int rc;
1010
1011 dev->video_input = dev->video_input > 2 ? 2 : dev->video_input;
1012
1013 cx231xx_info("Setting Video mux to %d\n", dev->video_input);
1014 video_mux(dev, dev->video_input);
1015
1016 /* De-allocates all pending stuff */
1017 cx231xx_uninit_isoc(dev);
1018
1019 dma_q->p_left_data = kzalloc(4096, GFP_KERNEL);
1020 if (dma_q->p_left_data == NULL) {
1021 cx231xx_info("out of mem\n");
1022 return -ENOMEM;
1023 }
1024
1025
1026
1027 dev->video_mode.isoc_ctl.isoc_copy = isoc_copy;
1028 dev->video_mode.isoc_ctl.num_bufs = num_bufs;
1029 dma_q->pos = 0;
1030 dma_q->is_partial_line = 0;
1031 dma_q->last_sav = 0;
1032 dma_q->current_field = -1;
1033 dma_q->field1_done = 0;
1034 dma_q->lines_per_field = dev->height / 2;
1035 dma_q->bytes_left_in_line = dev->width << 1;
1036 dma_q->lines_completed = 0;
1037 dma_q->mpeg_buffer_done = 0;
1038 dma_q->left_data_count = 0;
1039 dma_q->mpeg_buffer_completed = 0;
1040 dma_q->add_ps_package_head = CX231XX_NEED_ADD_PS_PACKAGE_HEAD;
1041 dma_q->ps_head[0] = 0x00;
1042 dma_q->ps_head[1] = 0x00;
1043 dma_q->ps_head[2] = 0x01;
1044 dma_q->ps_head[3] = 0xBA;
1045 for (i = 0; i < 8; i++)
1046 dma_q->partial_buf[i] = 0;
1047
1048 dev->video_mode.isoc_ctl.urb =
1049 kzalloc(sizeof(void *) * num_bufs, GFP_KERNEL);
1050 if (!dev->video_mode.isoc_ctl.urb) {
1051 cx231xx_errdev("cannot alloc memory for usb buffers\n");
1052 return -ENOMEM;
1053 }
1054
1055 dev->video_mode.isoc_ctl.transfer_buffer =
1056 kzalloc(sizeof(void *) * num_bufs, GFP_KERNEL);
1057 if (!dev->video_mode.isoc_ctl.transfer_buffer) {
1058 cx231xx_errdev("cannot allocate memory for usbtransfer\n");
1059 kfree(dev->video_mode.isoc_ctl.urb);
1060 return -ENOMEM;
1061 }
1062
1063 dev->video_mode.isoc_ctl.max_pkt_size = max_pkt_size;
1064 dev->video_mode.isoc_ctl.buf = NULL;
1065
1066 sb_size = max_packets * dev->video_mode.isoc_ctl.max_pkt_size;
1067
1068 if (dev->mode_tv == 1)
1069 dev->video_mode.end_point_addr = 0x81;
1070 else
1071 dev->video_mode.end_point_addr = 0x84;
1072
1073
1074 /* allocate urbs and transfer buffers */
1075 for (i = 0; i < dev->video_mode.isoc_ctl.num_bufs; i++) {
1076 urb = usb_alloc_urb(max_packets, GFP_KERNEL);
1077 if (!urb) {
1078 cx231xx_err("cannot alloc isoc_ctl.urb %i\n", i);
1079 cx231xx_uninit_isoc(dev);
1080 return -ENOMEM;
1081 }
1082 dev->video_mode.isoc_ctl.urb[i] = urb;
1083
1084 dev->video_mode.isoc_ctl.transfer_buffer[i] =
1085 usb_alloc_coherent(dev->udev, sb_size, GFP_KERNEL,
1086 &urb->transfer_dma);
1087 if (!dev->video_mode.isoc_ctl.transfer_buffer[i]) {
1088 cx231xx_err("unable to allocate %i bytes for transfer"
1089 " buffer %i%s\n",
1090 sb_size, i,
1091 in_interrupt() ? " while in int" : "");
1092 cx231xx_uninit_isoc(dev);
1093 return -ENOMEM;
1094 }
1095 memset(dev->video_mode.isoc_ctl.transfer_buffer[i], 0, sb_size);
1096
1097 pipe =
1098 usb_rcvisocpipe(dev->udev, dev->video_mode.end_point_addr);
1099
1100 usb_fill_int_urb(urb, dev->udev, pipe,
1101 dev->video_mode.isoc_ctl.transfer_buffer[i],
1102 sb_size, cx231xx_isoc_irq_callback, dma_q, 1);
1103
1104 urb->number_of_packets = max_packets;
1105 urb->transfer_flags = URB_ISO_ASAP;
1106
1107 k = 0;
1108 for (j = 0; j < max_packets; j++) {
1109 urb->iso_frame_desc[j].offset = k;
1110 urb->iso_frame_desc[j].length =
1111 dev->video_mode.isoc_ctl.max_pkt_size;
1112 k += dev->video_mode.isoc_ctl.max_pkt_size;
1113 }
1114 }
1115
1116 init_waitqueue_head(&dma_q->wq);
1117
1118 /* submit urbs and enables IRQ */
1119 for (i = 0; i < dev->video_mode.isoc_ctl.num_bufs; i++) {
1120 rc = usb_submit_urb(dev->video_mode.isoc_ctl.urb[i],
1121 GFP_ATOMIC);
1122 if (rc) {
1123 cx231xx_err("submit of urb %i failed (error=%i)\n", i,
1124 rc);
1125 cx231xx_uninit_isoc(dev);
1126 return rc;
1127 }
1128 }
1129
1130 if (dev->mode_tv == 0)
1131 cx231xx_capture_start(dev, 1, Raw_Video);
1132 else
1133 cx231xx_capture_start(dev, 1, TS1_serial_mode);
1134
1135 return 0;
1136 }
1137 EXPORT_SYMBOL_GPL(cx231xx_init_isoc);
1138
1139 /*
1140 * Allocate URBs and start IRQ
1141 */
1142 int cx231xx_init_bulk(struct cx231xx *dev, int max_packets,
1143 int num_bufs, int max_pkt_size,
1144 int (*bulk_copy) (struct cx231xx *dev, struct urb *urb))
1145 {
1146 struct cx231xx_dmaqueue *dma_q = &dev->video_mode.vidq;
1147 int i;
1148 int sb_size, pipe;
1149 struct urb *urb;
1150 int rc;
1151
1152 dev->video_input = dev->video_input > 2 ? 2 : dev->video_input;
1153
1154 cx231xx_info("Setting Video mux to %d\n", dev->video_input);
1155 video_mux(dev, dev->video_input);
1156
1157 /* De-allocates all pending stuff */
1158 cx231xx_uninit_bulk(dev);
1159
1160 dev->video_mode.bulk_ctl.bulk_copy = bulk_copy;
1161 dev->video_mode.bulk_ctl.num_bufs = num_bufs;
1162 dma_q->pos = 0;
1163 dma_q->is_partial_line = 0;
1164 dma_q->last_sav = 0;
1165 dma_q->current_field = -1;
1166 dma_q->field1_done = 0;
1167 dma_q->lines_per_field = dev->height / 2;
1168 dma_q->bytes_left_in_line = dev->width << 1;
1169 dma_q->lines_completed = 0;
1170 dma_q->mpeg_buffer_done = 0;
1171 dma_q->left_data_count = 0;
1172 dma_q->mpeg_buffer_completed = 0;
1173 dma_q->ps_head[0] = 0x00;
1174 dma_q->ps_head[1] = 0x00;
1175 dma_q->ps_head[2] = 0x01;
1176 dma_q->ps_head[3] = 0xBA;
1177 for (i = 0; i < 8; i++)
1178 dma_q->partial_buf[i] = 0;
1179
1180 dev->video_mode.bulk_ctl.urb =
1181 kzalloc(sizeof(void *) * num_bufs, GFP_KERNEL);
1182 if (!dev->video_mode.bulk_ctl.urb) {
1183 cx231xx_errdev("cannot alloc memory for usb buffers\n");
1184 return -ENOMEM;
1185 }
1186
1187 dev->video_mode.bulk_ctl.transfer_buffer =
1188 kzalloc(sizeof(void *) * num_bufs, GFP_KERNEL);
1189 if (!dev->video_mode.bulk_ctl.transfer_buffer) {
1190 cx231xx_errdev("cannot allocate memory for usbtransfer\n");
1191 kfree(dev->video_mode.bulk_ctl.urb);
1192 return -ENOMEM;
1193 }
1194
1195 dev->video_mode.bulk_ctl.max_pkt_size = max_pkt_size;
1196 dev->video_mode.bulk_ctl.buf = NULL;
1197
1198 sb_size = max_packets * dev->video_mode.bulk_ctl.max_pkt_size;
1199
1200 if (dev->mode_tv == 1)
1201 dev->video_mode.end_point_addr = 0x81;
1202 else
1203 dev->video_mode.end_point_addr = 0x84;
1204
1205
1206 /* allocate urbs and transfer buffers */
1207 for (i = 0; i < dev->video_mode.bulk_ctl.num_bufs; i++) {
1208 urb = usb_alloc_urb(0, GFP_KERNEL);
1209 if (!urb) {
1210 cx231xx_err("cannot alloc bulk_ctl.urb %i\n", i);
1211 cx231xx_uninit_bulk(dev);
1212 return -ENOMEM;
1213 }
1214 dev->video_mode.bulk_ctl.urb[i] = urb;
1215 urb->transfer_flags = 0;
1216
1217 dev->video_mode.bulk_ctl.transfer_buffer[i] =
1218 usb_alloc_coherent(dev->udev, sb_size, GFP_KERNEL,
1219 &urb->transfer_dma);
1220 if (!dev->video_mode.bulk_ctl.transfer_buffer[i]) {
1221 cx231xx_err("unable to allocate %i bytes for transfer"
1222 " buffer %i%s\n",
1223 sb_size, i,
1224 in_interrupt() ? " while in int" : "");
1225 cx231xx_uninit_bulk(dev);
1226 return -ENOMEM;
1227 }
1228 memset(dev->video_mode.bulk_ctl.transfer_buffer[i], 0, sb_size);
1229
1230 pipe = usb_rcvbulkpipe(dev->udev,
1231 dev->video_mode.end_point_addr);
1232 usb_fill_bulk_urb(urb, dev->udev, pipe,
1233 dev->video_mode.bulk_ctl.transfer_buffer[i],
1234 sb_size, cx231xx_bulk_irq_callback, dma_q);
1235 }
1236
1237 init_waitqueue_head(&dma_q->wq);
1238
1239 /* submit urbs and enables IRQ */
1240 for (i = 0; i < dev->video_mode.bulk_ctl.num_bufs; i++) {
1241 rc = usb_submit_urb(dev->video_mode.bulk_ctl.urb[i],
1242 GFP_ATOMIC);
1243 if (rc) {
1244 cx231xx_err("submit of urb %i failed (error=%i)\n", i,
1245 rc);
1246 cx231xx_uninit_bulk(dev);
1247 return rc;
1248 }
1249 }
1250
1251 if (dev->mode_tv == 0)
1252 cx231xx_capture_start(dev, 1, Raw_Video);
1253 else
1254 cx231xx_capture_start(dev, 1, TS1_serial_mode);
1255
1256 return 0;
1257 }
1258 EXPORT_SYMBOL_GPL(cx231xx_init_bulk);
1259 void cx231xx_stop_TS1(struct cx231xx *dev)
1260 {
1261 int status = 0;
1262 u8 val[4] = { 0, 0, 0, 0 };
1263
1264 val[0] = 0x00;
1265 val[1] = 0x03;
1266 val[2] = 0x00;
1267 val[3] = 0x00;
1268 status = cx231xx_write_ctrl_reg(dev, VRT_SET_REGISTER,
1269 TS_MODE_REG, val, 4);
1270
1271 val[0] = 0x00;
1272 val[1] = 0x70;
1273 val[2] = 0x04;
1274 val[3] = 0x00;
1275 status = cx231xx_write_ctrl_reg(dev, VRT_SET_REGISTER,
1276 TS1_CFG_REG, val, 4);
1277 }
1278 /* EXPORT_SYMBOL_GPL(cx231xx_stop_TS1); */
1279 void cx231xx_start_TS1(struct cx231xx *dev)
1280 {
1281 int status = 0;
1282 u8 val[4] = { 0, 0, 0, 0 };
1283
1284 val[0] = 0x03;
1285 val[1] = 0x03;
1286 val[2] = 0x00;
1287 val[3] = 0x00;
1288 status = cx231xx_write_ctrl_reg(dev, VRT_SET_REGISTER,
1289 TS_MODE_REG, val, 4);
1290
1291 val[0] = 0x04;
1292 val[1] = 0xA3;
1293 val[2] = 0x3B;
1294 val[3] = 0x00;
1295 status = cx231xx_write_ctrl_reg(dev, VRT_SET_REGISTER,
1296 TS1_CFG_REG, val, 4);
1297 }
1298 /* EXPORT_SYMBOL_GPL(cx231xx_start_TS1); */
1299 /*****************************************************************
1300 * Device Init/UnInit functions *
1301 ******************************************************************/
1302 int cx231xx_dev_init(struct cx231xx *dev)
1303 {
1304 int errCode = 0;
1305
1306 /* Initialize I2C bus */
1307
1308 /* External Master 1 Bus */
1309 dev->i2c_bus[0].nr = 0;
1310 dev->i2c_bus[0].dev = dev;
1311 dev->i2c_bus[0].i2c_period = I2C_SPEED_100K; /* 100 KHz */
1312 dev->i2c_bus[0].i2c_nostop = 0;
1313 dev->i2c_bus[0].i2c_reserve = 0;
1314
1315 /* External Master 2 Bus */
1316 dev->i2c_bus[1].nr = 1;
1317 dev->i2c_bus[1].dev = dev;
1318 dev->i2c_bus[1].i2c_period = I2C_SPEED_100K; /* 100 KHz */
1319 dev->i2c_bus[1].i2c_nostop = 0;
1320 dev->i2c_bus[1].i2c_reserve = 0;
1321
1322 /* Internal Master 3 Bus */
1323 dev->i2c_bus[2].nr = 2;
1324 dev->i2c_bus[2].dev = dev;
1325 dev->i2c_bus[2].i2c_period = I2C_SPEED_400K; /* 400kHz */
1326 dev->i2c_bus[2].i2c_nostop = 0;
1327 dev->i2c_bus[2].i2c_reserve = 0;
1328
1329 /* register I2C buses */
1330 cx231xx_i2c_register(&dev->i2c_bus[0]);
1331 cx231xx_i2c_register(&dev->i2c_bus[1]);
1332 cx231xx_i2c_register(&dev->i2c_bus[2]);
1333
1334 /* init hardware */
1335 /* Note : with out calling set power mode function,
1336 afe can not be set up correctly */
1337 if (dev->model == CX231XX_BOARD_CNXT_VIDEO_GRABBER) {
1338 errCode = cx231xx_set_power_mode(dev,
1339 POLARIS_AVMODE_ENXTERNAL_AV);
1340 if (errCode < 0) {
1341 cx231xx_errdev
1342 ("%s: Failed to set Power - errCode [%d]!\n",
1343 __func__, errCode);
1344 return errCode;
1345 }
1346 } else {
1347 errCode = cx231xx_set_power_mode(dev,
1348 POLARIS_AVMODE_ANALOGT_TV);
1349 if (errCode < 0) {
1350 cx231xx_errdev
1351 ("%s: Failed to set Power - errCode [%d]!\n",
1352 __func__, errCode);
1353 return errCode;
1354 }
1355 }
1356
1357 /* reset the Tuner */
1358 if ((dev->model == CX231XX_BOARD_CNXT_CARRAERA) ||
1359 (dev->model == CX231XX_BOARD_CNXT_RDE_250) ||
1360 (dev->model == CX231XX_BOARD_CNXT_SHELBY) ||
1361 (dev->model == CX231XX_BOARD_CNXT_RDU_250))
1362 cx231xx_gpio_set(dev, dev->board.tuner_gpio);
1363
1364 /* initialize Colibri block */
1365 errCode = cx231xx_afe_init_super_block(dev, 0x23c);
1366 if (errCode < 0) {
1367 cx231xx_errdev
1368 ("%s: cx231xx_afe init super block - errCode [%d]!\n",
1369 __func__, errCode);
1370 return errCode;
1371 }
1372 errCode = cx231xx_afe_init_channels(dev);
1373 if (errCode < 0) {
1374 cx231xx_errdev
1375 ("%s: cx231xx_afe init channels - errCode [%d]!\n",
1376 __func__, errCode);
1377 return errCode;
1378 }
1379
1380 /* Set DIF in By pass mode */
1381 errCode = cx231xx_dif_set_standard(dev, DIF_USE_BASEBAND);
1382 if (errCode < 0) {
1383 cx231xx_errdev
1384 ("%s: cx231xx_dif set to By pass mode - errCode [%d]!\n",
1385 __func__, errCode);
1386 return errCode;
1387 }
1388
1389 /* I2S block related functions */
1390 errCode = cx231xx_i2s_blk_initialize(dev);
1391 if (errCode < 0) {
1392 cx231xx_errdev
1393 ("%s: cx231xx_i2s block initialize - errCode [%d]!\n",
1394 __func__, errCode);
1395 return errCode;
1396 }
1397
1398 /* init control pins */
1399 errCode = cx231xx_init_ctrl_pin_status(dev);
1400 if (errCode < 0) {
1401 cx231xx_errdev("%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 errCode = cx231xx_set_agc_analog_digital_mux_select(dev, 0);
1418 break;
1419 default:
1420 break;
1421 }
1422 if (errCode < 0) {
1423 cx231xx_errdev
1424 ("%s: cx231xx_AGC mode to Analog - errCode [%d]!\n",
1425 __func__, errCode);
1426 return errCode;
1427 }
1428
1429 /* set all alternate settings to zero initially */
1430 cx231xx_set_alt_setting(dev, INDEX_VIDEO, 0);
1431 cx231xx_set_alt_setting(dev, INDEX_VANC, 0);
1432 cx231xx_set_alt_setting(dev, INDEX_HANC, 0);
1433 if (dev->board.has_dvb)
1434 cx231xx_set_alt_setting(dev, INDEX_TS1, 0);
1435
1436 /* set the I2C master port to 3 on channel 1 */
1437 if (dev->model != CX231XX_BOARD_CNXT_VIDEO_GRABBER)
1438 errCode = cx231xx_enable_i2c_for_tuner(dev, I2C_3);
1439
1440 return errCode;
1441 }
1442 EXPORT_SYMBOL_GPL(cx231xx_dev_init);
1443
1444 void cx231xx_dev_uninit(struct cx231xx *dev)
1445 {
1446 /* Un Initialize I2C bus */
1447 cx231xx_i2c_unregister(&dev->i2c_bus[2]);
1448 cx231xx_i2c_unregister(&dev->i2c_bus[1]);
1449 cx231xx_i2c_unregister(&dev->i2c_bus[0]);
1450 }
1451 EXPORT_SYMBOL_GPL(cx231xx_dev_uninit);
1452
1453 /*****************************************************************
1454 * G P I O related functions *
1455 ******************************************************************/
1456 int cx231xx_send_gpio_cmd(struct cx231xx *dev, u32 gpio_bit, u8 *gpio_val,
1457 u8 len, u8 request, u8 direction)
1458 {
1459 int status = 0;
1460 struct VENDOR_REQUEST_IN ven_req;
1461
1462 /* Set wValue */
1463 ven_req.wValue = (u16) (gpio_bit >> 16 & 0xffff);
1464
1465 /* set request */
1466 if (!request) {
1467 if (direction)
1468 ven_req.bRequest = VRT_GET_GPIO; /* 0x8 gpio */
1469 else
1470 ven_req.bRequest = VRT_SET_GPIO; /* 0x9 gpio */
1471 } else {
1472 if (direction)
1473 ven_req.bRequest = VRT_GET_GPIE; /* 0xa gpie */
1474 else
1475 ven_req.bRequest = VRT_SET_GPIE; /* 0xb gpie */
1476 }
1477
1478 /* set index value */
1479 ven_req.wIndex = (u16) (gpio_bit & 0xffff);
1480
1481 /* set wLength value */
1482 ven_req.wLength = len;
1483
1484 /* set bData value */
1485 ven_req.bData = 0;
1486
1487 /* set the buffer for read / write */
1488 ven_req.pBuff = gpio_val;
1489
1490 /* set the direction */
1491 if (direction) {
1492 ven_req.direction = USB_DIR_IN;
1493 memset(ven_req.pBuff, 0x00, ven_req.wLength);
1494 } else
1495 ven_req.direction = USB_DIR_OUT;
1496
1497
1498 /* call common vendor command request */
1499 status = cx231xx_send_vendor_cmd(dev, &ven_req);
1500 if (status < 0) {
1501 cx231xx_info
1502 ("UsbInterface::sendCommand, failed with status -%d\n",
1503 status);
1504 }
1505
1506 return status;
1507 }
1508 EXPORT_SYMBOL_GPL(cx231xx_send_gpio_cmd);
1509
1510 /*****************************************************************
1511 * C O N T R O L - Register R E A D / W R I T E functions *
1512 *****************************************************************/
1513 int cx231xx_mode_register(struct cx231xx *dev, u16 address, u32 mode)
1514 {
1515 u8 value[4] = { 0x0, 0x0, 0x0, 0x0 };
1516 u32 tmp = 0;
1517 int status = 0;
1518
1519 status =
1520 cx231xx_read_ctrl_reg(dev, VRT_GET_REGISTER, address, value, 4);
1521 if (status < 0)
1522 return status;
1523
1524 tmp = *((u32 *) value);
1525 tmp |= mode;
1526
1527 value[0] = (u8) tmp;
1528 value[1] = (u8) (tmp >> 8);
1529 value[2] = (u8) (tmp >> 16);
1530 value[3] = (u8) (tmp >> 24);
1531
1532 status =
1533 cx231xx_write_ctrl_reg(dev, VRT_SET_REGISTER, address, value, 4);
1534
1535 return status;
1536 }
1537
1538 /*****************************************************************
1539 * I 2 C Internal C O N T R O L functions *
1540 *****************************************************************/
1541 int cx231xx_read_i2c_master(struct cx231xx *dev, u8 dev_addr, u16 saddr,
1542 u8 saddr_len, u32 *data, u8 data_len, int master)
1543 {
1544 int status = 0;
1545 struct cx231xx_i2c_xfer_data req_data;
1546 u8 value[64] = "0";
1547
1548 if (saddr_len == 0)
1549 saddr = 0;
1550 else if (saddr_len == 0)
1551 saddr &= 0xff;
1552
1553 /* prepare xfer_data struct */
1554 req_data.dev_addr = dev_addr >> 1;
1555 req_data.direction = I2C_M_RD;
1556 req_data.saddr_len = saddr_len;
1557 req_data.saddr_dat = saddr;
1558 req_data.buf_size = data_len;
1559 req_data.p_buffer = (u8 *) value;
1560
1561 /* usb send command */
1562 if (master == 0)
1563 status = dev->cx231xx_send_usb_command(&dev->i2c_bus[0],
1564 &req_data);
1565 else if (master == 1)
1566 status = dev->cx231xx_send_usb_command(&dev->i2c_bus[1],
1567 &req_data);
1568 else if (master == 2)
1569 status = dev->cx231xx_send_usb_command(&dev->i2c_bus[2],
1570 &req_data);
1571
1572 if (status >= 0) {
1573 /* Copy the data read back to main buffer */
1574 if (data_len == 1)
1575 *data = value[0];
1576 else if (data_len == 4)
1577 *data =
1578 value[0] | value[1] << 8 | value[2] << 16 | value[3]
1579 << 24;
1580 else if (data_len > 4)
1581 *data = value[saddr];
1582 }
1583
1584 return status;
1585 }
1586
1587 int cx231xx_write_i2c_master(struct cx231xx *dev, u8 dev_addr, u16 saddr,
1588 u8 saddr_len, u32 data, u8 data_len, int master)
1589 {
1590 int status = 0;
1591 u8 value[4] = { 0, 0, 0, 0 };
1592 struct cx231xx_i2c_xfer_data req_data;
1593
1594 value[0] = (u8) data;
1595 value[1] = (u8) (data >> 8);
1596 value[2] = (u8) (data >> 16);
1597 value[3] = (u8) (data >> 24);
1598
1599 if (saddr_len == 0)
1600 saddr = 0;
1601 else if (saddr_len == 0)
1602 saddr &= 0xff;
1603
1604 /* prepare xfer_data struct */
1605 req_data.dev_addr = dev_addr >> 1;
1606 req_data.direction = 0;
1607 req_data.saddr_len = saddr_len;
1608 req_data.saddr_dat = saddr;
1609 req_data.buf_size = data_len;
1610 req_data.p_buffer = value;
1611
1612 /* usb send command */
1613 if (master == 0)
1614 status = dev->cx231xx_send_usb_command(&dev->i2c_bus[0],
1615 &req_data);
1616 else if (master == 1)
1617 status = dev->cx231xx_send_usb_command(&dev->i2c_bus[1],
1618 &req_data);
1619 else if (master == 2)
1620 status = dev->cx231xx_send_usb_command(&dev->i2c_bus[2],
1621 &req_data);
1622
1623 return status;
1624 }
1625
1626 int cx231xx_read_i2c_data(struct cx231xx *dev, u8 dev_addr, u16 saddr,
1627 u8 saddr_len, u32 *data, u8 data_len)
1628 {
1629 int status = 0;
1630 struct cx231xx_i2c_xfer_data req_data;
1631 u8 value[4] = { 0, 0, 0, 0 };
1632
1633 if (saddr_len == 0)
1634 saddr = 0;
1635 else if (saddr_len == 0)
1636 saddr &= 0xff;
1637
1638 /* prepare xfer_data struct */
1639 req_data.dev_addr = dev_addr >> 1;
1640 req_data.direction = I2C_M_RD;
1641 req_data.saddr_len = saddr_len;
1642 req_data.saddr_dat = saddr;
1643 req_data.buf_size = data_len;
1644 req_data.p_buffer = (u8 *) value;
1645
1646 /* usb send command */
1647 status = dev->cx231xx_send_usb_command(&dev->i2c_bus[0], &req_data);
1648
1649 if (status >= 0) {
1650 /* Copy the data read back to main buffer */
1651 if (data_len == 1)
1652 *data = value[0];
1653 else
1654 *data =
1655 value[0] | value[1] << 8 | value[2] << 16 | value[3]
1656 << 24;
1657 }
1658
1659 return status;
1660 }
1661
1662 int cx231xx_write_i2c_data(struct cx231xx *dev, u8 dev_addr, u16 saddr,
1663 u8 saddr_len, u32 data, u8 data_len)
1664 {
1665 int status = 0;
1666 u8 value[4] = { 0, 0, 0, 0 };
1667 struct cx231xx_i2c_xfer_data req_data;
1668
1669 value[0] = (u8) data;
1670 value[1] = (u8) (data >> 8);
1671 value[2] = (u8) (data >> 16);
1672 value[3] = (u8) (data >> 24);
1673
1674 if (saddr_len == 0)
1675 saddr = 0;
1676 else if (saddr_len == 0)
1677 saddr &= 0xff;
1678
1679 /* prepare xfer_data struct */
1680 req_data.dev_addr = dev_addr >> 1;
1681 req_data.direction = 0;
1682 req_data.saddr_len = saddr_len;
1683 req_data.saddr_dat = saddr;
1684 req_data.buf_size = data_len;
1685 req_data.p_buffer = value;
1686
1687 /* usb send command */
1688 status = dev->cx231xx_send_usb_command(&dev->i2c_bus[0], &req_data);
1689
1690 return status;
1691 }
1692
1693 int cx231xx_reg_mask_write(struct cx231xx *dev, u8 dev_addr, u8 size,
1694 u16 register_address, u8 bit_start, u8 bit_end,
1695 u32 value)
1696 {
1697 int status = 0;
1698 u32 tmp;
1699 u32 mask = 0;
1700 int i;
1701
1702 if (bit_start > (size - 1) || bit_end > (size - 1))
1703 return -1;
1704
1705 if (size == 8) {
1706 status =
1707 cx231xx_read_i2c_data(dev, dev_addr, register_address, 2,
1708 &tmp, 1);
1709 } else {
1710 status =
1711 cx231xx_read_i2c_data(dev, dev_addr, register_address, 2,
1712 &tmp, 4);
1713 }
1714
1715 if (status < 0)
1716 return status;
1717
1718 mask = 1 << bit_end;
1719 for (i = bit_end; i > bit_start && i > 0; i--)
1720 mask = mask + (1 << (i - 1));
1721
1722 value <<= bit_start;
1723
1724 if (size == 8) {
1725 tmp &= ~mask;
1726 tmp |= value;
1727 tmp &= 0xff;
1728 status =
1729 cx231xx_write_i2c_data(dev, dev_addr, register_address, 2,
1730 tmp, 1);
1731 } else {
1732 tmp &= ~mask;
1733 tmp |= value;
1734 status =
1735 cx231xx_write_i2c_data(dev, dev_addr, register_address, 2,
1736 tmp, 4);
1737 }
1738
1739 return status;
1740 }
1741
1742 int cx231xx_read_modify_write_i2c_dword(struct cx231xx *dev, u8 dev_addr,
1743 u16 saddr, u32 mask, u32 value)
1744 {
1745 u32 temp;
1746 int status = 0;
1747
1748 status = cx231xx_read_i2c_data(dev, dev_addr, saddr, 2, &temp, 4);
1749
1750 if (status < 0)
1751 return status;
1752
1753 temp &= ~mask;
1754 temp |= value;
1755
1756 status = cx231xx_write_i2c_data(dev, dev_addr, saddr, 2, temp, 4);
1757
1758 return status;
1759 }
1760
1761 u32 cx231xx_set_field(u32 field_mask, u32 data)
1762 {
1763 u32 temp;
1764
1765 for (temp = field_mask; (temp & 1) == 0; temp >>= 1)
1766 data <<= 1;
1767
1768 return data;
1769 }
Linux 2.6 ibm-acpi/thinkpad-acpi driver git tree