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Linux 3.11-rc3
[cris-mirror.git] / drivers / media / usb / cx231xx / cx231xx-core.c
blob4ba3ce09b71380a18afe731a8db61e8b1bfe9ce4
1 /*
2 cx231xx-core.c - driver for Conexant Cx23100/101/102
3 USB video capture devices
4
5 Copyright (C) 2008 <srinivasa.deevi at conexant dot com>
6 Based on em28xx driver
7
8 This program is free software; you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 2 of the License, or
11 (at your option) any later version.
12
13 This program is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
17
18 You should have received a copy of the GNU General Public License
19 along with this program; if not, write to the Free Software
20 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
21 */
22
23 #include <linux/init.h>
24 #include <linux/list.h>
25 #include <linux/module.h>
26 #include <linux/slab.h>
27 #include <linux/usb.h>
28 #include <linux/vmalloc.h>
29 #include <media/v4l2-common.h>
30 #include <media/tuner.h>
31
32 #include "cx231xx.h"
33 #include "cx231xx-reg.h"
34
35 /* #define ENABLE_DEBUG_ISOC_FRAMES */
36
37 static unsigned int core_debug;
38 module_param(core_debug, int, 0644);
39 MODULE_PARM_DESC(core_debug, "enable debug messages [core]");
40
41 #define cx231xx_coredbg(fmt, arg...) do {\
42 if (core_debug) \
43 printk(KERN_INFO "%s %s :"fmt, \
44 dev->name, __func__ , ##arg); } while (0)
45
46 static unsigned int reg_debug;
47 module_param(reg_debug, int, 0644);
48 MODULE_PARM_DESC(reg_debug, "enable debug messages [URB reg]");
49
50 static int alt = CX231XX_PINOUT;
51 module_param(alt, int, 0644);
52 MODULE_PARM_DESC(alt, "alternate setting to use for video endpoint");
53
54 #define cx231xx_isocdbg(fmt, arg...) do {\
55 if (core_debug) \
56 printk(KERN_INFO "%s %s :"fmt, \
57 dev->name, __func__ , ##arg); } while (0)
58
59 /*****************************************************************
60 * Device control list functions *
61 ******************************************************************/
62
63 LIST_HEAD(cx231xx_devlist);
64 static DEFINE_MUTEX(cx231xx_devlist_mutex);
65
66 /*
67 * cx231xx_realease_resources()
68 * unregisters the v4l2,i2c and usb devices
69 * called when the device gets disconected or at module unload
70 */
71 void cx231xx_remove_from_devlist(struct cx231xx *dev)
72 {
73 if (dev == NULL)
74 return;
75 if (dev->udev == NULL)
76 return;
77
78 if (atomic_read(&dev->devlist_count) > 0) {
79 mutex_lock(&cx231xx_devlist_mutex);
80 list_del(&dev->devlist);
81 atomic_dec(&dev->devlist_count);
82 mutex_unlock(&cx231xx_devlist_mutex);
83 }
84 };
85
86 void cx231xx_add_into_devlist(struct cx231xx *dev)
87 {
88 mutex_lock(&cx231xx_devlist_mutex);
89 list_add_tail(&dev->devlist, &cx231xx_devlist);
90 atomic_inc(&dev->devlist_count);
91 mutex_unlock(&cx231xx_devlist_mutex);
92 };
93
94 static LIST_HEAD(cx231xx_extension_devlist);
95
96 int cx231xx_register_extension(struct cx231xx_ops *ops)
97 {
98 struct cx231xx *dev = NULL;
99
100 mutex_lock(&cx231xx_devlist_mutex);
101 list_add_tail(&ops->next, &cx231xx_extension_devlist);
102 list_for_each_entry(dev, &cx231xx_devlist, devlist)
103 ops->init(dev);
104
105 printk(KERN_INFO DRIVER_NAME ": %s initialized\n", ops->name);
106 mutex_unlock(&cx231xx_devlist_mutex);
107 return 0;
108 }
109 EXPORT_SYMBOL(cx231xx_register_extension);
110
111 void cx231xx_unregister_extension(struct cx231xx_ops *ops)
112 {
113 struct cx231xx *dev = NULL;
114
115 mutex_lock(&cx231xx_devlist_mutex);
116 list_for_each_entry(dev, &cx231xx_devlist, devlist)
117 ops->fini(dev);
118
119
120 printk(KERN_INFO DRIVER_NAME ": %s removed\n", ops->name);
121 list_del(&ops->next);
122 mutex_unlock(&cx231xx_devlist_mutex);
123 }
124 EXPORT_SYMBOL(cx231xx_unregister_extension);
125
126 void cx231xx_init_extension(struct cx231xx *dev)
127 {
128 struct cx231xx_ops *ops = NULL;
129
130 mutex_lock(&cx231xx_devlist_mutex);
131 if (!list_empty(&cx231xx_extension_devlist)) {
132 list_for_each_entry(ops, &cx231xx_extension_devlist, next) {
133 if (ops->init)
134 ops->init(dev);
135 }
136 }
137 mutex_unlock(&cx231xx_devlist_mutex);
138 }
139
140 void cx231xx_close_extension(struct cx231xx *dev)
141 {
142 struct cx231xx_ops *ops = NULL;
143
144 mutex_lock(&cx231xx_devlist_mutex);
145 if (!list_empty(&cx231xx_extension_devlist)) {
146 list_for_each_entry(ops, &cx231xx_extension_devlist, next) {
147 if (ops->fini)
148 ops->fini(dev);
149 }
150 }
151 mutex_unlock(&cx231xx_devlist_mutex);
152 }
153
154 /****************************************************************
155 * U S B related functions *
156 *****************************************************************/
157 int cx231xx_send_usb_command(struct cx231xx_i2c *i2c_bus,
158 struct cx231xx_i2c_xfer_data *req_data)
159 {
160 int status = 0;
161 struct cx231xx *dev = i2c_bus->dev;
162 struct VENDOR_REQUEST_IN ven_req;
163
164 u8 saddr_len = 0;
165 u8 _i2c_period = 0;
166 u8 _i2c_nostop = 0;
167 u8 _i2c_reserve = 0;
168
169 if (dev->state & DEV_DISCONNECTED)
170 return -ENODEV;
171
172 /* Get the I2C period, nostop and reserve parameters */
173 _i2c_period = i2c_bus->i2c_period;
174 _i2c_nostop = i2c_bus->i2c_nostop;
175 _i2c_reserve = i2c_bus->i2c_reserve;
176
177 saddr_len = req_data->saddr_len;
178
179 /* Set wValue */
180 if (saddr_len == 1) /* need check saddr_len == 0 */
181 ven_req.wValue =
182 req_data->
183 dev_addr << 9 | _i2c_period << 4 | saddr_len << 2 |
184 _i2c_nostop << 1 | I2C_SYNC | _i2c_reserve << 6;
185 else
186 ven_req.wValue =
187 req_data->
188 dev_addr << 9 | _i2c_period << 4 | saddr_len << 2 |
189 _i2c_nostop << 1 | I2C_SYNC | _i2c_reserve << 6;
190
191 /* set channel number */
192 if (req_data->direction & I2C_M_RD) {
193 /* channel number, for read,spec required channel_num +4 */
194 ven_req.bRequest = i2c_bus->nr + 4;
195 } else
196 ven_req.bRequest = i2c_bus->nr; /* channel number, */
197
198 /* set index value */
199 switch (saddr_len) {
200 case 0:
201 ven_req.wIndex = 0; /* need check */
202 break;
203 case 1:
204 ven_req.wIndex = (req_data->saddr_dat & 0xff);
205 break;
206 case 2:
207 ven_req.wIndex = req_data->saddr_dat;
208 break;
209 }
210
211 /* set wLength value */
212 ven_req.wLength = req_data->buf_size;
213
214 /* set bData value */
215 ven_req.bData = 0;
216
217 /* set the direction */
218 if (req_data->direction) {
219 ven_req.direction = USB_DIR_IN;
220 memset(req_data->p_buffer, 0x00, ven_req.wLength);
221 } else
222 ven_req.direction = USB_DIR_OUT;
223
224 /* set the buffer for read / write */
225 ven_req.pBuff = req_data->p_buffer;
226
227
228 /* call common vendor command request */
229 status = cx231xx_send_vendor_cmd(dev, &ven_req);
230 if (status < 0) {
231 cx231xx_info
232 ("UsbInterface::sendCommand, failed with status -%d\n",
233 status);
234 }
235
236 return status;
237 }
238 EXPORT_SYMBOL_GPL(cx231xx_send_usb_command);
239
240 /*
241 * Sends/Receives URB control messages, assuring to use a kalloced buffer
242 * for all operations (dev->urb_buf), to avoid using stacked buffers, as
243 * they aren't safe for usage with USB, due to DMA restrictions.
244 * Also implements the debug code for control URB's.
245 */
246 static int __usb_control_msg(struct cx231xx *dev, unsigned int pipe,
247 __u8 request, __u8 requesttype, __u16 value, __u16 index,
248 void *data, __u16 size, int timeout)
249 {
250 int rc, i;
251
252 if (reg_debug) {
253 printk(KERN_DEBUG "%s: (pipe 0x%08x): "
254 "%s: %02x %02x %02x %02x %02x %02x %02x %02x ",
255 dev->name,
256 pipe,
257 (requesttype & USB_DIR_IN) ? "IN" : "OUT",
258 requesttype,
259 request,
260 value & 0xff, value >> 8,
261 index & 0xff, index >> 8,
262 size & 0xff, size >> 8);
263 if (!(requesttype & USB_DIR_IN)) {
264 printk(KERN_CONT ">>>");
265 for (i = 0; i < size; i++)
266 printk(KERN_CONT " %02x",
267 ((unsigned char *)data)[i]);
268 }
269 }
270
271 /* Do the real call to usb_control_msg */
272 mutex_lock(&dev->ctrl_urb_lock);
273 if (!(requesttype & USB_DIR_IN) && size)
274 memcpy(dev->urb_buf, data, size);
275 rc = usb_control_msg(dev->udev, pipe, request, requesttype, value,
276 index, dev->urb_buf, size, timeout);
277 if ((requesttype & USB_DIR_IN) && size)
278 memcpy(data, dev->urb_buf, size);
279 mutex_unlock(&dev->ctrl_urb_lock);
280
281 if (reg_debug) {
282 if (unlikely(rc < 0)) {
283 printk(KERN_CONT "FAILED!\n");
284 return rc;
285 }
286
287 if ((requesttype & USB_DIR_IN)) {
288 printk(KERN_CONT "<<<");
289 for (i = 0; i < size; i++)
290 printk(KERN_CONT " %02x",
291 ((unsigned char *)data)[i]);
292 }
293 printk(KERN_CONT "\n");
294 }
295
296 return rc;
297 }
298
299
300 /*
301 * cx231xx_read_ctrl_reg()
302 * reads data from the usb device specifying bRequest and wValue
303 */
304 int cx231xx_read_ctrl_reg(struct cx231xx *dev, u8 req, u16 reg,
305 char *buf, int len)
306 {
307 u8 val = 0;
308 int ret;
309 int pipe = usb_rcvctrlpipe(dev->udev, 0);
310
311 if (dev->state & DEV_DISCONNECTED)
312 return -ENODEV;
313
314 if (len > URB_MAX_CTRL_SIZE)
315 return -EINVAL;
316
317 switch (len) {
318 case 1:
319 val = ENABLE_ONE_BYTE;
320 break;
321 case 2:
322 val = ENABLE_TWE_BYTE;
323 break;
324 case 3:
325 val = ENABLE_THREE_BYTE;
326 break;
327 case 4:
328 val = ENABLE_FOUR_BYTE;
329 break;
330 default:
331 val = 0xFF; /* invalid option */
332 }
333
334 if (val == 0xFF)
335 return -EINVAL;
336
337 ret = __usb_control_msg(dev, pipe, req,
338 USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
339 val, reg, buf, len, HZ);
340 return ret;
341 }
342
343 int cx231xx_send_vendor_cmd(struct cx231xx *dev,
344 struct VENDOR_REQUEST_IN *ven_req)
345 {
346 int ret;
347 int pipe = 0;
348 int unsend_size = 0;
349 u8 *pdata;
350
351 if (dev->state & DEV_DISCONNECTED)
352 return -ENODEV;
353
354 if ((ven_req->wLength > URB_MAX_CTRL_SIZE))
355 return -EINVAL;
356
357 if (ven_req->direction)
358 pipe = usb_rcvctrlpipe(dev->udev, 0);
359 else
360 pipe = usb_sndctrlpipe(dev->udev, 0);
361
362 /*
363 * If the cx23102 read more than 4 bytes with i2c bus,
364 * need chop to 4 byte per request
365 */
366 if ((ven_req->wLength > 4) && ((ven_req->bRequest == 0x4) ||
367 (ven_req->bRequest == 0x5) ||
368 (ven_req->bRequest == 0x6))) {
369 unsend_size = 0;
370 pdata = ven_req->pBuff;
371
372
373 unsend_size = ven_req->wLength;
374
375 /* the first package */
376 ven_req->wValue = ven_req->wValue & 0xFFFB;
377 ven_req->wValue = (ven_req->wValue & 0xFFBD) | 0x2;
378 ret = __usb_control_msg(dev, pipe, ven_req->bRequest,
379 ven_req->direction | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
380 ven_req->wValue, ven_req->wIndex, pdata,
381 0x0004, HZ);
382 unsend_size = unsend_size - 4;
383
384 /* the middle package */
385 ven_req->wValue = (ven_req->wValue & 0xFFBD) | 0x42;
386 while (unsend_size - 4 > 0) {
387 pdata = pdata + 4;
388 ret = __usb_control_msg(dev, pipe,
389 ven_req->bRequest,
390 ven_req->direction | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
391 ven_req->wValue, ven_req->wIndex, pdata,
392 0x0004, HZ);
393 unsend_size = unsend_size - 4;
394 }
395
396 /* the last package */
397 ven_req->wValue = (ven_req->wValue & 0xFFBD) | 0x40;
398 pdata = pdata + 4;
399 ret = __usb_control_msg(dev, pipe, ven_req->bRequest,
400 ven_req->direction | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
401 ven_req->wValue, ven_req->wIndex, pdata,
402 unsend_size, HZ);
403 } else {
404 ret = __usb_control_msg(dev, pipe, ven_req->bRequest,
405 ven_req->direction | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
406 ven_req->wValue, ven_req->wIndex,
407 ven_req->pBuff, ven_req->wLength, HZ);
408 }
409
410 return ret;
411 }
412
413 /*
414 * cx231xx_write_ctrl_reg()
415 * sends data to the usb device, specifying bRequest
416 */
417 int cx231xx_write_ctrl_reg(struct cx231xx *dev, u8 req, u16 reg, char *buf,
418 int len)
419 {
420 u8 val = 0;
421 int ret;
422 int pipe = usb_sndctrlpipe(dev->udev, 0);
423
424 if (dev->state & DEV_DISCONNECTED)
425 return -ENODEV;
426
427 if ((len < 1) || (len > URB_MAX_CTRL_SIZE))
428 return -EINVAL;
429
430 switch (len) {
431 case 1:
432 val = ENABLE_ONE_BYTE;
433 break;
434 case 2:
435 val = ENABLE_TWE_BYTE;
436 break;
437 case 3:
438 val = ENABLE_THREE_BYTE;
439 break;
440 case 4:
441 val = ENABLE_FOUR_BYTE;
442 break;
443 default:
444 val = 0xFF; /* invalid option */
445 }
446
447 if (val == 0xFF)
448 return -EINVAL;
449
450 if (reg_debug) {
451 int byte;
452
453 cx231xx_isocdbg("(pipe 0x%08x): "
454 "OUT: %02x %02x %02x %02x %02x %02x %02x %02x >>>",
455 pipe,
456 USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
457 req, 0, val, reg & 0xff,
458 reg >> 8, len & 0xff, len >> 8);
459
460 for (byte = 0; byte < len; byte++)
461 cx231xx_isocdbg(" %02x", (unsigned char)buf[byte]);
462 cx231xx_isocdbg("\n");
463 }
464
465 ret = __usb_control_msg(dev, pipe, req,
466 USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
467 val, reg, buf, len, HZ);
468
469 return ret;
470 }
471
472 /****************************************************************
473 * USB Alternate Setting functions *
474 *****************************************************************/
475
476 int cx231xx_set_video_alternate(struct cx231xx *dev)
477 {
478 int errCode, prev_alt = dev->video_mode.alt;
479 unsigned int min_pkt_size = dev->width * 2 + 4;
480 u32 usb_interface_index = 0;
481
482 /* When image size is bigger than a certain value,
483 the frame size should be increased, otherwise, only
484 green screen will be received.
485 */
486 if (dev->width * 2 * dev->height > 720 * 240 * 2)
487 min_pkt_size *= 2;
488
489 if (dev->width > 360) {
490 /* resolutions: 720,704,640 */
491 dev->video_mode.alt = 3;
492 } else if (dev->width > 180) {
493 /* resolutions: 360,352,320,240 */
494 dev->video_mode.alt = 2;
495 } else if (dev->width > 0) {
496 /* resolutions: 180,176,160,128,88 */
497 dev->video_mode.alt = 1;
498 } else {
499 /* Change to alt0 BULK to release USB bandwidth */
500 dev->video_mode.alt = 0;
501 }
502
503 if (dev->USE_ISO == 0)
504 dev->video_mode.alt = 0;
505
506 cx231xx_coredbg("dev->video_mode.alt= %d\n", dev->video_mode.alt);
507
508 /* Get the correct video interface Index */
509 usb_interface_index =
510 dev->current_pcb_config.hs_config_info[0].interface_info.
511 video_index + 1;
512
513 if (dev->video_mode.alt != prev_alt) {
514 cx231xx_coredbg("minimum isoc packet size: %u (alt=%d)\n",
515 min_pkt_size, dev->video_mode.alt);
516
517 if (dev->video_mode.alt_max_pkt_size != NULL)
518 dev->video_mode.max_pkt_size =
519 dev->video_mode.alt_max_pkt_size[dev->video_mode.alt];
520 cx231xx_coredbg("setting alternate %d with wMaxPacketSize=%u\n",
521 dev->video_mode.alt,
522 dev->video_mode.max_pkt_size);
523 errCode =
524 usb_set_interface(dev->udev, usb_interface_index,
525 dev->video_mode.alt);
526 if (errCode < 0) {
527 cx231xx_errdev
528 ("cannot change alt number to %d (error=%i)\n",
529 dev->video_mode.alt, errCode);
530 return errCode;
531 }
532 }
533 return 0;
534 }
535
536 int cx231xx_set_alt_setting(struct cx231xx *dev, u8 index, u8 alt)
537 {
538 int status = 0;
539 u32 usb_interface_index = 0;
540 u32 max_pkt_size = 0;
541
542 switch (index) {
543 case INDEX_TS1:
544 usb_interface_index =
545 dev->current_pcb_config.hs_config_info[0].interface_info.
546 ts1_index + 1;
547 dev->ts1_mode.alt = alt;
548 if (dev->ts1_mode.alt_max_pkt_size != NULL)
549 max_pkt_size = dev->ts1_mode.max_pkt_size =
550 dev->ts1_mode.alt_max_pkt_size[dev->ts1_mode.alt];
551 break;
552 case INDEX_TS2:
553 usb_interface_index =
554 dev->current_pcb_config.hs_config_info[0].interface_info.
555 ts2_index + 1;
556 break;
557 case INDEX_AUDIO:
558 usb_interface_index =
559 dev->current_pcb_config.hs_config_info[0].interface_info.
560 audio_index + 1;
561 dev->adev.alt = alt;
562 if (dev->adev.alt_max_pkt_size != NULL)
563 max_pkt_size = dev->adev.max_pkt_size =
564 dev->adev.alt_max_pkt_size[dev->adev.alt];
565 break;
566 case INDEX_VIDEO:
567 usb_interface_index =
568 dev->current_pcb_config.hs_config_info[0].interface_info.
569 video_index + 1;
570 dev->video_mode.alt = alt;
571 if (dev->video_mode.alt_max_pkt_size != NULL)
572 max_pkt_size = dev->video_mode.max_pkt_size =
573 dev->video_mode.alt_max_pkt_size[dev->video_mode.
574 alt];
575 break;
576 case INDEX_VANC:
577 if (dev->board.no_alt_vanc)
578 return 0;
579 usb_interface_index =
580 dev->current_pcb_config.hs_config_info[0].interface_info.
581 vanc_index + 1;
582 dev->vbi_mode.alt = alt;
583 if (dev->vbi_mode.alt_max_pkt_size != NULL)
584 max_pkt_size = dev->vbi_mode.max_pkt_size =
585 dev->vbi_mode.alt_max_pkt_size[dev->vbi_mode.alt];
586 break;
587 case INDEX_HANC:
588 usb_interface_index =
589 dev->current_pcb_config.hs_config_info[0].interface_info.
590 hanc_index + 1;
591 dev->sliced_cc_mode.alt = alt;
592 if (dev->sliced_cc_mode.alt_max_pkt_size != NULL)
593 max_pkt_size = dev->sliced_cc_mode.max_pkt_size =
594 dev->sliced_cc_mode.alt_max_pkt_size[dev->
595 sliced_cc_mode.
596 alt];
597 break;
598 default:
599 break;
600 }
601
602 if (alt > 0 && max_pkt_size == 0) {
603 cx231xx_errdev
604 ("can't change interface %d alt no. to %d: Max. Pkt size = 0\n",
605 usb_interface_index, alt);
606 /*To workaround error number=-71 on EP0 for videograbber,
607 need add following codes.*/
608 if (dev->board.no_alt_vanc)
609 return -1;
610 }
611
612 cx231xx_coredbg("setting alternate %d with wMaxPacketSize=%u,"
613 "Interface = %d\n", alt, max_pkt_size,
614 usb_interface_index);
615
616 if (usb_interface_index > 0) {
617 status = usb_set_interface(dev->udev, usb_interface_index, alt);
618 if (status < 0) {
619 cx231xx_errdev
620 ("can't change interface %d alt no. to %d (err=%i)\n",
621 usb_interface_index, alt, status);
622 return status;
623 }
624 }
625
626 return status;
627 }
628 EXPORT_SYMBOL_GPL(cx231xx_set_alt_setting);
629
630 int cx231xx_gpio_set(struct cx231xx *dev, struct cx231xx_reg_seq *gpio)
631 {
632 int rc = 0;
633
634 if (!gpio)
635 return rc;
636
637 /* Send GPIO reset sequences specified at board entry */
638 while (gpio->sleep >= 0) {
639 rc = cx231xx_set_gpio_value(dev, gpio->bit, gpio->val);
640 if (rc < 0)
641 return rc;
642
643 if (gpio->sleep > 0)
644 msleep(gpio->sleep);
645
646 gpio++;
647 }
648 return rc;
649 }
650
651 int cx231xx_demod_reset(struct cx231xx *dev)
652 {
653
654 u8 status = 0;
655 u8 value[4] = { 0, 0, 0, 0 };
656
657 status = cx231xx_read_ctrl_reg(dev, VRT_GET_REGISTER, PWR_CTL_EN,
658 value, 4);
659
660 cx231xx_coredbg("reg0x%x=0x%x 0x%x 0x%x 0x%x\n", PWR_CTL_EN,
661 value[0], value[1], value[2], value[3]);
662
663 cx231xx_coredbg("Enter cx231xx_demod_reset()\n");
664
665 value[1] = (u8) 0x3;
666 status = cx231xx_write_ctrl_reg(dev, VRT_SET_REGISTER,
667 PWR_CTL_EN, value, 4);
668 msleep(10);
669
670 value[1] = (u8) 0x0;
671 status = cx231xx_write_ctrl_reg(dev, VRT_SET_REGISTER,
672 PWR_CTL_EN, value, 4);
673 msleep(10);
674
675 value[1] = (u8) 0x3;
676 status = cx231xx_write_ctrl_reg(dev, VRT_SET_REGISTER,
677 PWR_CTL_EN, value, 4);
678 msleep(10);
679
680
681
682 status = cx231xx_read_ctrl_reg(dev, VRT_GET_REGISTER, PWR_CTL_EN,
683 value, 4);
684
685 cx231xx_coredbg("reg0x%x=0x%x 0x%x 0x%x 0x%x\n", PWR_CTL_EN,
686 value[0], value[1], value[2], value[3]);
687
688 return status;
689 }
690 EXPORT_SYMBOL_GPL(cx231xx_demod_reset);
691 int is_fw_load(struct cx231xx *dev)
692 {
693 return cx231xx_check_fw(dev);
694 }
695 EXPORT_SYMBOL_GPL(is_fw_load);
696
697 int cx231xx_set_mode(struct cx231xx *dev, enum cx231xx_mode set_mode)
698 {
699 int errCode = 0;
700
701 if (dev->mode == set_mode)
702 return 0;
703
704 if (set_mode == CX231XX_SUSPEND) {
705 /* Set the chip in power saving mode */
706 dev->mode = set_mode;
707 }
708
709 /* Resource is locked */
710 if (dev->mode != CX231XX_SUSPEND)
711 return -EINVAL;
712
713 dev->mode = set_mode;
714
715 if (dev->mode == CX231XX_DIGITAL_MODE)/* Set Digital power mode */ {
716 /* set AGC mode to Digital */
717 switch (dev->model) {
718 case CX231XX_BOARD_CNXT_CARRAERA:
719 case CX231XX_BOARD_CNXT_RDE_250:
720 case CX231XX_BOARD_CNXT_SHELBY:
721 case CX231XX_BOARD_CNXT_RDU_250:
722 errCode = cx231xx_set_agc_analog_digital_mux_select(dev, 0);
723 break;
724 case CX231XX_BOARD_CNXT_RDE_253S:
725 case CX231XX_BOARD_CNXT_RDU_253S:
726 errCode = cx231xx_set_agc_analog_digital_mux_select(dev, 1);
727 break;
728 case CX231XX_BOARD_HAUPPAUGE_EXETER:
729 errCode = cx231xx_set_power_mode(dev,
730 POLARIS_AVMODE_DIGITAL);
731 break;
732 default:
733 break;
734 }
735 } else/* Set Analog Power mode */ {
736 /* set AGC mode to Analog */
737 switch (dev->model) {
738 case CX231XX_BOARD_CNXT_CARRAERA:
739 case CX231XX_BOARD_CNXT_RDE_250:
740 case CX231XX_BOARD_CNXT_SHELBY:
741 case CX231XX_BOARD_CNXT_RDU_250:
742 errCode = cx231xx_set_agc_analog_digital_mux_select(dev, 1);
743 break;
744 case CX231XX_BOARD_CNXT_RDE_253S:
745 case CX231XX_BOARD_CNXT_RDU_253S:
746 case CX231XX_BOARD_HAUPPAUGE_EXETER:
747 case CX231XX_BOARD_PV_PLAYTV_USB_HYBRID:
748 case CX231XX_BOARD_HAUPPAUGE_USB2_FM_PAL:
749 case CX231XX_BOARD_HAUPPAUGE_USB2_FM_NTSC:
750 errCode = cx231xx_set_agc_analog_digital_mux_select(dev, 0);
751 break;
752 default:
753 break;
754 }
755 }
756
757 return errCode ? -EINVAL : 0;
758 }
759 EXPORT_SYMBOL_GPL(cx231xx_set_mode);
760
761 int cx231xx_ep5_bulkout(struct cx231xx *dev, u8 *firmware, u16 size)
762 {
763 int errCode = 0;
764 int actlen, ret = -ENOMEM;
765 u32 *buffer;
766
767 buffer = kzalloc(4096, GFP_KERNEL);
768 if (buffer == NULL) {
769 cx231xx_info("out of mem\n");
770 return -ENOMEM;
771 }
772 memcpy(&buffer[0], firmware, 4096);
773
774 ret = usb_bulk_msg(dev->udev, usb_sndbulkpipe(dev->udev, 5),
775 buffer, 4096, &actlen, 2000);
776
777 if (ret)
778 cx231xx_info("bulk message failed: %d (%d/%d)", ret,
779 size, actlen);
780 else {
781 errCode = actlen != size ? -1 : 0;
782 }
783 kfree(buffer);
784 return errCode;
785 }
786
787 /*****************************************************************
788 * URB Streaming functions *
789 ******************************************************************/
790
791 /*
792 * IRQ callback, called by URB callback
793 */
794 static void cx231xx_isoc_irq_callback(struct urb *urb)
795 {
796 struct cx231xx_dmaqueue *dma_q = urb->context;
797 struct cx231xx_video_mode *vmode =
798 container_of(dma_q, struct cx231xx_video_mode, vidq);
799 struct cx231xx *dev = container_of(vmode, struct cx231xx, video_mode);
800 int i;
801
802 switch (urb->status) {
803 case 0: /* success */
804 case -ETIMEDOUT: /* NAK */
805 break;
806 case -ECONNRESET: /* kill */
807 case -ENOENT:
808 case -ESHUTDOWN:
809 return;
810 default: /* error */
811 cx231xx_isocdbg("urb completition error %d.\n", urb->status);
812 break;
813 }
814
815 /* Copy data from URB */
816 spin_lock(&dev->video_mode.slock);
817 dev->video_mode.isoc_ctl.isoc_copy(dev, urb);
818 spin_unlock(&dev->video_mode.slock);
819
820 /* Reset urb buffers */
821 for (i = 0; i < urb->number_of_packets; i++) {
822 urb->iso_frame_desc[i].status = 0;
823 urb->iso_frame_desc[i].actual_length = 0;
824 }
825
826 urb->status = usb_submit_urb(urb, GFP_ATOMIC);
827 if (urb->status) {
828 cx231xx_isocdbg("urb resubmit failed (error=%i)\n",
829 urb->status);
830 }
831 }
832 /*****************************************************************
833 * URB Streaming functions *
834 ******************************************************************/
835
836 /*
837 * IRQ callback, called by URB callback
838 */
839 static void cx231xx_bulk_irq_callback(struct urb *urb)
840 {
841 struct cx231xx_dmaqueue *dma_q = urb->context;
842 struct cx231xx_video_mode *vmode =
843 container_of(dma_q, struct cx231xx_video_mode, vidq);
844 struct cx231xx *dev = container_of(vmode, struct cx231xx, video_mode);
845
846 switch (urb->status) {
847 case 0: /* success */
848 case -ETIMEDOUT: /* NAK */
849 break;
850 case -ECONNRESET: /* kill */
851 case -ENOENT:
852 case -ESHUTDOWN:
853 return;
854 default: /* error */
855 cx231xx_isocdbg("urb completition error %d.\n", urb->status);
856 break;
857 }
858
859 /* Copy data from URB */
860 spin_lock(&dev->video_mode.slock);
861 dev->video_mode.bulk_ctl.bulk_copy(dev, urb);
862 spin_unlock(&dev->video_mode.slock);
863
864 /* Reset urb buffers */
865 urb->status = usb_submit_urb(urb, GFP_ATOMIC);
866 if (urb->status) {
867 cx231xx_isocdbg("urb resubmit failed (error=%i)\n",
868 urb->status);
869 }
870 }
871 /*
872 * Stop and Deallocate URBs
873 */
874 void cx231xx_uninit_isoc(struct cx231xx *dev)
875 {
876 struct cx231xx_dmaqueue *dma_q = &dev->video_mode.vidq;
877 struct urb *urb;
878 int i;
879
880 cx231xx_isocdbg("cx231xx: called cx231xx_uninit_isoc\n");
881
882 dev->video_mode.isoc_ctl.nfields = -1;
883 for (i = 0; i < dev->video_mode.isoc_ctl.num_bufs; i++) {
884 urb = dev->video_mode.isoc_ctl.urb[i];
885 if (urb) {
886 if (!irqs_disabled())
887 usb_kill_urb(urb);
888 else
889 usb_unlink_urb(urb);
890
891 if (dev->video_mode.isoc_ctl.transfer_buffer[i]) {
892 usb_free_coherent(dev->udev,
893 urb->transfer_buffer_length,
894 dev->video_mode.isoc_ctl.
895 transfer_buffer[i],
896 urb->transfer_dma);
897 }
898 usb_free_urb(urb);
899 dev->video_mode.isoc_ctl.urb[i] = NULL;
900 }
901 dev->video_mode.isoc_ctl.transfer_buffer[i] = NULL;
902 }
903
904 kfree(dev->video_mode.isoc_ctl.urb);
905 kfree(dev->video_mode.isoc_ctl.transfer_buffer);
906 kfree(dma_q->p_left_data);
907
908 dev->video_mode.isoc_ctl.urb = NULL;
909 dev->video_mode.isoc_ctl.transfer_buffer = NULL;
910 dev->video_mode.isoc_ctl.num_bufs = 0;
911 dma_q->p_left_data = NULL;
912
913 if (dev->mode_tv == 0)
914 cx231xx_capture_start(dev, 0, Raw_Video);
915 else
916 cx231xx_capture_start(dev, 0, TS1_serial_mode);
917
918
919 }
920 EXPORT_SYMBOL_GPL(cx231xx_uninit_isoc);
921
922 /*
923 * Stop and Deallocate URBs
924 */
925 void cx231xx_uninit_bulk(struct cx231xx *dev)
926 {
927 struct urb *urb;
928 int i;
929
930 cx231xx_isocdbg("cx231xx: called cx231xx_uninit_bulk\n");
931
932 dev->video_mode.bulk_ctl.nfields = -1;
933 for (i = 0; i < dev->video_mode.bulk_ctl.num_bufs; i++) {
934 urb = dev->video_mode.bulk_ctl.urb[i];
935 if (urb) {
936 if (!irqs_disabled())
937 usb_kill_urb(urb);
938 else
939 usb_unlink_urb(urb);
940
941 if (dev->video_mode.bulk_ctl.transfer_buffer[i]) {
942 usb_free_coherent(dev->udev,
943 urb->transfer_buffer_length,
944 dev->video_mode.isoc_ctl.
945 transfer_buffer[i],
946 urb->transfer_dma);
947 }
948 usb_free_urb(urb);
949 dev->video_mode.bulk_ctl.urb[i] = NULL;
950 }
951 dev->video_mode.bulk_ctl.transfer_buffer[i] = NULL;
952 }
953
954 kfree(dev->video_mode.bulk_ctl.urb);
955 kfree(dev->video_mode.bulk_ctl.transfer_buffer);
956
957 dev->video_mode.bulk_ctl.urb = NULL;
958 dev->video_mode.bulk_ctl.transfer_buffer = NULL;
959 dev->video_mode.bulk_ctl.num_bufs = 0;
960
961 if (dev->mode_tv == 0)
962 cx231xx_capture_start(dev, 0, Raw_Video);
963 else
964 cx231xx_capture_start(dev, 0, TS1_serial_mode);
965
966
967 }
968 EXPORT_SYMBOL_GPL(cx231xx_uninit_bulk);
969
970 /*
971 * Allocate URBs and start IRQ
972 */
973 int cx231xx_init_isoc(struct cx231xx *dev, int max_packets,
974 int num_bufs, int max_pkt_size,
975 int (*isoc_copy) (struct cx231xx *dev, struct urb *urb))
976 {
977 struct cx231xx_dmaqueue *dma_q = &dev->video_mode.vidq;
978 int i;
979 int sb_size, pipe;
980 struct urb *urb;
981 int j, k;
982 int rc;
983
984 /* De-allocates all pending stuff */
985 cx231xx_uninit_isoc(dev);
986
987 dma_q->p_left_data = kzalloc(4096, GFP_KERNEL);
988 if (dma_q->p_left_data == NULL) {
989 cx231xx_info("out of mem\n");
990 return -ENOMEM;
991 }
992
993
994
995 dev->video_mode.isoc_ctl.isoc_copy = isoc_copy;
996 dev->video_mode.isoc_ctl.num_bufs = num_bufs;
997 dma_q->pos = 0;
998 dma_q->is_partial_line = 0;
999 dma_q->last_sav = 0;
1000 dma_q->current_field = -1;
1001 dma_q->field1_done = 0;
1002 dma_q->lines_per_field = dev->height / 2;
1003 dma_q->bytes_left_in_line = dev->width << 1;
1004 dma_q->lines_completed = 0;
1005 dma_q->mpeg_buffer_done = 0;
1006 dma_q->left_data_count = 0;
1007 dma_q->mpeg_buffer_completed = 0;
1008 dma_q->add_ps_package_head = CX231XX_NEED_ADD_PS_PACKAGE_HEAD;
1009 dma_q->ps_head[0] = 0x00;
1010 dma_q->ps_head[1] = 0x00;
1011 dma_q->ps_head[2] = 0x01;
1012 dma_q->ps_head[3] = 0xBA;
1013 for (i = 0; i < 8; i++)
1014 dma_q->partial_buf[i] = 0;
1015
1016 dev->video_mode.isoc_ctl.urb =
1017 kzalloc(sizeof(void *) * num_bufs, GFP_KERNEL);
1018 if (!dev->video_mode.isoc_ctl.urb) {
1019 cx231xx_errdev("cannot alloc memory for usb buffers\n");
1020 return -ENOMEM;
1021 }
1022
1023 dev->video_mode.isoc_ctl.transfer_buffer =
1024 kzalloc(sizeof(void *) * num_bufs, GFP_KERNEL);
1025 if (!dev->video_mode.isoc_ctl.transfer_buffer) {
1026 cx231xx_errdev("cannot allocate memory for usbtransfer\n");
1027 kfree(dev->video_mode.isoc_ctl.urb);
1028 return -ENOMEM;
1029 }
1030
1031 dev->video_mode.isoc_ctl.max_pkt_size = max_pkt_size;
1032 dev->video_mode.isoc_ctl.buf = NULL;
1033
1034 sb_size = max_packets * dev->video_mode.isoc_ctl.max_pkt_size;
1035
1036 if (dev->mode_tv == 1)
1037 dev->video_mode.end_point_addr = 0x81;
1038 else
1039 dev->video_mode.end_point_addr = 0x84;
1040
1041
1042 /* allocate urbs and transfer buffers */
1043 for (i = 0; i < dev->video_mode.isoc_ctl.num_bufs; i++) {
1044 urb = usb_alloc_urb(max_packets, GFP_KERNEL);
1045 if (!urb) {
1046 cx231xx_err("cannot alloc isoc_ctl.urb %i\n", i);
1047 cx231xx_uninit_isoc(dev);
1048 return -ENOMEM;
1049 }
1050 dev->video_mode.isoc_ctl.urb[i] = urb;
1051
1052 dev->video_mode.isoc_ctl.transfer_buffer[i] =
1053 usb_alloc_coherent(dev->udev, sb_size, GFP_KERNEL,
1054 &urb->transfer_dma);
1055 if (!dev->video_mode.isoc_ctl.transfer_buffer[i]) {
1056 cx231xx_err("unable to allocate %i bytes for transfer"
1057 " buffer %i%s\n",
1058 sb_size, i,
1059 in_interrupt() ? " while in int" : "");
1060 cx231xx_uninit_isoc(dev);
1061 return -ENOMEM;
1062 }
1063 memset(dev->video_mode.isoc_ctl.transfer_buffer[i], 0, sb_size);
1064
1065 pipe =
1066 usb_rcvisocpipe(dev->udev, dev->video_mode.end_point_addr);
1067
1068 usb_fill_int_urb(urb, dev->udev, pipe,
1069 dev->video_mode.isoc_ctl.transfer_buffer[i],
1070 sb_size, cx231xx_isoc_irq_callback, dma_q, 1);
1071
1072 urb->number_of_packets = max_packets;
1073 urb->transfer_flags = URB_ISO_ASAP | URB_NO_TRANSFER_DMA_MAP;
1074
1075 k = 0;
1076 for (j = 0; j < max_packets; j++) {
1077 urb->iso_frame_desc[j].offset = k;
1078 urb->iso_frame_desc[j].length =
1079 dev->video_mode.isoc_ctl.max_pkt_size;
1080 k += dev->video_mode.isoc_ctl.max_pkt_size;
1081 }
1082 }
1083
1084 init_waitqueue_head(&dma_q->wq);
1085
1086 /* submit urbs and enables IRQ */
1087 for (i = 0; i < dev->video_mode.isoc_ctl.num_bufs; i++) {
1088 rc = usb_submit_urb(dev->video_mode.isoc_ctl.urb[i],
1089 GFP_ATOMIC);
1090 if (rc) {
1091 cx231xx_err("submit of urb %i failed (error=%i)\n", i,
1092 rc);
1093 cx231xx_uninit_isoc(dev);
1094 return rc;
1095 }
1096 }
1097
1098 if (dev->mode_tv == 0)
1099 cx231xx_capture_start(dev, 1, Raw_Video);
1100 else
1101 cx231xx_capture_start(dev, 1, TS1_serial_mode);
1102
1103 return 0;
1104 }
1105 EXPORT_SYMBOL_GPL(cx231xx_init_isoc);
1106
1107 /*
1108 * Allocate URBs and start IRQ
1109 */
1110 int cx231xx_init_bulk(struct cx231xx *dev, int max_packets,
1111 int num_bufs, int max_pkt_size,
1112 int (*bulk_copy) (struct cx231xx *dev, struct urb *urb))
1113 {
1114 struct cx231xx_dmaqueue *dma_q = &dev->video_mode.vidq;
1115 int i;
1116 int sb_size, pipe;
1117 struct urb *urb;
1118 int rc;
1119
1120 dev->video_input = dev->video_input > 2 ? 2 : dev->video_input;
1121
1122 cx231xx_coredbg("Setting Video mux to %d\n", dev->video_input);
1123
1124 video_mux(dev, dev->video_input);
1125
1126 /* De-allocates all pending stuff */
1127 cx231xx_uninit_bulk(dev);
1128
1129 dev->video_mode.bulk_ctl.bulk_copy = bulk_copy;
1130 dev->video_mode.bulk_ctl.num_bufs = num_bufs;
1131 dma_q->pos = 0;
1132 dma_q->is_partial_line = 0;
1133 dma_q->last_sav = 0;
1134 dma_q->current_field = -1;
1135 dma_q->field1_done = 0;
1136 dma_q->lines_per_field = dev->height / 2;
1137 dma_q->bytes_left_in_line = dev->width << 1;
1138 dma_q->lines_completed = 0;
1139 dma_q->mpeg_buffer_done = 0;
1140 dma_q->left_data_count = 0;
1141 dma_q->mpeg_buffer_completed = 0;
1142 dma_q->ps_head[0] = 0x00;
1143 dma_q->ps_head[1] = 0x00;
1144 dma_q->ps_head[2] = 0x01;
1145 dma_q->ps_head[3] = 0xBA;
1146 for (i = 0; i < 8; i++)
1147 dma_q->partial_buf[i] = 0;
1148
1149 dev->video_mode.bulk_ctl.urb =
1150 kzalloc(sizeof(void *) * num_bufs, GFP_KERNEL);
1151 if (!dev->video_mode.bulk_ctl.urb) {
1152 cx231xx_errdev("cannot alloc memory for usb buffers\n");
1153 return -ENOMEM;
1154 }
1155
1156 dev->video_mode.bulk_ctl.transfer_buffer =
1157 kzalloc(sizeof(void *) * num_bufs, GFP_KERNEL);
1158 if (!dev->video_mode.bulk_ctl.transfer_buffer) {
1159 cx231xx_errdev("cannot allocate memory for usbtransfer\n");
1160 kfree(dev->video_mode.bulk_ctl.urb);
1161 return -ENOMEM;
1162 }
1163
1164 dev->video_mode.bulk_ctl.max_pkt_size = max_pkt_size;
1165 dev->video_mode.bulk_ctl.buf = NULL;
1166
1167 sb_size = max_packets * dev->video_mode.bulk_ctl.max_pkt_size;
1168
1169 if (dev->mode_tv == 1)
1170 dev->video_mode.end_point_addr = 0x81;
1171 else
1172 dev->video_mode.end_point_addr = 0x84;
1173
1174
1175 /* allocate urbs and transfer buffers */
1176 for (i = 0; i < dev->video_mode.bulk_ctl.num_bufs; i++) {
1177 urb = usb_alloc_urb(0, GFP_KERNEL);
1178 if (!urb) {
1179 cx231xx_err("cannot alloc bulk_ctl.urb %i\n", i);
1180 cx231xx_uninit_bulk(dev);
1181 return -ENOMEM;
1182 }
1183 dev->video_mode.bulk_ctl.urb[i] = urb;
1184 urb->transfer_flags = URB_NO_TRANSFER_DMA_MAP;
1185
1186 dev->video_mode.bulk_ctl.transfer_buffer[i] =
1187 usb_alloc_coherent(dev->udev, sb_size, GFP_KERNEL,
1188 &urb->transfer_dma);
1189 if (!dev->video_mode.bulk_ctl.transfer_buffer[i]) {
1190 cx231xx_err("unable to allocate %i bytes for transfer"
1191 " buffer %i%s\n",
1192 sb_size, i,
1193 in_interrupt() ? " while in int" : "");
1194 cx231xx_uninit_bulk(dev);
1195 return -ENOMEM;
1196 }
1197 memset(dev->video_mode.bulk_ctl.transfer_buffer[i], 0, sb_size);
1198
1199 pipe = usb_rcvbulkpipe(dev->udev,
1200 dev->video_mode.end_point_addr);
1201 usb_fill_bulk_urb(urb, dev->udev, pipe,
1202 dev->video_mode.bulk_ctl.transfer_buffer[i],
1203 sb_size, cx231xx_bulk_irq_callback, dma_q);
1204 }
1205
1206 init_waitqueue_head(&dma_q->wq);
1207
1208 /* submit urbs and enables IRQ */
1209 for (i = 0; i < dev->video_mode.bulk_ctl.num_bufs; i++) {
1210 rc = usb_submit_urb(dev->video_mode.bulk_ctl.urb[i],
1211 GFP_ATOMIC);
1212 if (rc) {
1213 cx231xx_err("submit of urb %i failed (error=%i)\n", i,
1214 rc);
1215 cx231xx_uninit_bulk(dev);
1216 return rc;
1217 }
1218 }
1219
1220 if (dev->mode_tv == 0)
1221 cx231xx_capture_start(dev, 1, Raw_Video);
1222 else
1223 cx231xx_capture_start(dev, 1, TS1_serial_mode);
1224
1225 return 0;
1226 }
1227 EXPORT_SYMBOL_GPL(cx231xx_init_bulk);
1228 void cx231xx_stop_TS1(struct cx231xx *dev)
1229 {
1230 u8 val[4] = { 0, 0, 0, 0 };
1231
1232 val[0] = 0x00;
1233 val[1] = 0x03;
1234 val[2] = 0x00;
1235 val[3] = 0x00;
1236 cx231xx_write_ctrl_reg(dev, VRT_SET_REGISTER,
1237 TS_MODE_REG, val, 4);
1238
1239 val[0] = 0x00;
1240 val[1] = 0x70;
1241 val[2] = 0x04;
1242 val[3] = 0x00;
1243 cx231xx_write_ctrl_reg(dev, VRT_SET_REGISTER,
1244 TS1_CFG_REG, val, 4);
1245 }
1246 /* EXPORT_SYMBOL_GPL(cx231xx_stop_TS1); */
1247 void cx231xx_start_TS1(struct cx231xx *dev)
1248 {
1249 u8 val[4] = { 0, 0, 0, 0 };
1250
1251 val[0] = 0x03;
1252 val[1] = 0x03;
1253 val[2] = 0x00;
1254 val[3] = 0x00;
1255 cx231xx_write_ctrl_reg(dev, VRT_SET_REGISTER,
1256 TS_MODE_REG, val, 4);
1257
1258 val[0] = 0x04;
1259 val[1] = 0xA3;
1260 val[2] = 0x3B;
1261 val[3] = 0x00;
1262 cx231xx_write_ctrl_reg(dev, VRT_SET_REGISTER,
1263 TS1_CFG_REG, val, 4);
1264 }
1265 /* EXPORT_SYMBOL_GPL(cx231xx_start_TS1); */
1266 /*****************************************************************
1267 * Device Init/UnInit functions *
1268 ******************************************************************/
1269 int cx231xx_dev_init(struct cx231xx *dev)
1270 {
1271 int errCode = 0;
1272
1273 /* Initialize I2C bus */
1274
1275 /* External Master 1 Bus */
1276 dev->i2c_bus[0].nr = 0;
1277 dev->i2c_bus[0].dev = dev;
1278 dev->i2c_bus[0].i2c_period = I2C_SPEED_100K; /* 100 KHz */
1279 dev->i2c_bus[0].i2c_nostop = 0;
1280 dev->i2c_bus[0].i2c_reserve = 0;
1281
1282 /* External Master 2 Bus */
1283 dev->i2c_bus[1].nr = 1;
1284 dev->i2c_bus[1].dev = dev;
1285 dev->i2c_bus[1].i2c_period = I2C_SPEED_100K; /* 100 KHz */
1286 dev->i2c_bus[1].i2c_nostop = 0;
1287 dev->i2c_bus[1].i2c_reserve = 0;
1288
1289 /* Internal Master 3 Bus */
1290 dev->i2c_bus[2].nr = 2;
1291 dev->i2c_bus[2].dev = dev;
1292 dev->i2c_bus[2].i2c_period = I2C_SPEED_100K; /* 100kHz */
1293 dev->i2c_bus[2].i2c_nostop = 0;
1294 dev->i2c_bus[2].i2c_reserve = 0;
1295
1296 /* register I2C buses */
1297 cx231xx_i2c_register(&dev->i2c_bus[0]);
1298 cx231xx_i2c_register(&dev->i2c_bus[1]);
1299 cx231xx_i2c_register(&dev->i2c_bus[2]);
1300
1301 /* init hardware */
1302 /* Note : with out calling set power mode function,
1303 afe can not be set up correctly */
1304 if (dev->board.external_av) {
1305 errCode = cx231xx_set_power_mode(dev,
1306 POLARIS_AVMODE_ENXTERNAL_AV);
1307 if (errCode < 0) {
1308 cx231xx_errdev
1309 ("%s: Failed to set Power - errCode [%d]!\n",
1310 __func__, errCode);
1311 return errCode;
1312 }
1313 } else {
1314 errCode = cx231xx_set_power_mode(dev,
1315 POLARIS_AVMODE_ANALOGT_TV);
1316 if (errCode < 0) {
1317 cx231xx_errdev
1318 ("%s: Failed to set Power - errCode [%d]!\n",
1319 __func__, errCode);
1320 return errCode;
1321 }
1322 }
1323
1324 /* reset the Tuner, if it is a Xceive tuner */
1325 if ((dev->board.tuner_type == TUNER_XC5000) ||
1326 (dev->board.tuner_type == TUNER_XC2028))
1327 cx231xx_gpio_set(dev, dev->board.tuner_gpio);
1328
1329 /* initialize Colibri block */
1330 errCode = cx231xx_afe_init_super_block(dev, 0x23c);
1331 if (errCode < 0) {
1332 cx231xx_errdev
1333 ("%s: cx231xx_afe init super block - errCode [%d]!\n",
1334 __func__, errCode);
1335 return errCode;
1336 }
1337 errCode = cx231xx_afe_init_channels(dev);
1338 if (errCode < 0) {
1339 cx231xx_errdev
1340 ("%s: cx231xx_afe init channels - errCode [%d]!\n",
1341 __func__, errCode);
1342 return errCode;
1343 }
1344
1345 /* Set DIF in By pass mode */
1346 errCode = cx231xx_dif_set_standard(dev, DIF_USE_BASEBAND);
1347 if (errCode < 0) {
1348 cx231xx_errdev
1349 ("%s: cx231xx_dif set to By pass mode - errCode [%d]!\n",
1350 __func__, errCode);
1351 return errCode;
1352 }
1353
1354 /* I2S block related functions */
1355 errCode = cx231xx_i2s_blk_initialize(dev);
1356 if (errCode < 0) {
1357 cx231xx_errdev
1358 ("%s: cx231xx_i2s block initialize - errCode [%d]!\n",
1359 __func__, errCode);
1360 return errCode;
1361 }
1362
1363 /* init control pins */
1364 errCode = cx231xx_init_ctrl_pin_status(dev);
1365 if (errCode < 0) {
1366 cx231xx_errdev("%s: cx231xx_init ctrl pins - errCode [%d]!\n",
1367 __func__, errCode);
1368 return errCode;
1369 }
1370
1371 /* set AGC mode to Analog */
1372 switch (dev->model) {
1373 case CX231XX_BOARD_CNXT_CARRAERA:
1374 case CX231XX_BOARD_CNXT_RDE_250:
1375 case CX231XX_BOARD_CNXT_SHELBY:
1376 case CX231XX_BOARD_CNXT_RDU_250:
1377 errCode = cx231xx_set_agc_analog_digital_mux_select(dev, 1);
1378 break;
1379 case CX231XX_BOARD_CNXT_RDE_253S:
1380 case CX231XX_BOARD_CNXT_RDU_253S:
1381 case CX231XX_BOARD_HAUPPAUGE_EXETER:
1382 case CX231XX_BOARD_PV_PLAYTV_USB_HYBRID:
1383 case CX231XX_BOARD_HAUPPAUGE_USB2_FM_PAL:
1384 case CX231XX_BOARD_HAUPPAUGE_USB2_FM_NTSC:
1385 errCode = cx231xx_set_agc_analog_digital_mux_select(dev, 0);
1386 break;
1387 default:
1388 break;
1389 }
1390 if (errCode < 0) {
1391 cx231xx_errdev
1392 ("%s: cx231xx_AGC mode to Analog - errCode [%d]!\n",
1393 __func__, errCode);
1394 return errCode;
1395 }
1396
1397 /* set all alternate settings to zero initially */
1398 cx231xx_set_alt_setting(dev, INDEX_VIDEO, 0);
1399 cx231xx_set_alt_setting(dev, INDEX_VANC, 0);
1400 cx231xx_set_alt_setting(dev, INDEX_HANC, 0);
1401 if (dev->board.has_dvb)
1402 cx231xx_set_alt_setting(dev, INDEX_TS1, 0);
1403
1404 /* set the I2C master port to 3 on channel 1 */
1405 errCode = cx231xx_enable_i2c_port_3(dev, true);
1406
1407 return errCode;
1408 }
1409 EXPORT_SYMBOL_GPL(cx231xx_dev_init);
1410
1411 void cx231xx_dev_uninit(struct cx231xx *dev)
1412 {
1413 /* Un Initialize I2C bus */
1414 cx231xx_i2c_unregister(&dev->i2c_bus[2]);
1415 cx231xx_i2c_unregister(&dev->i2c_bus[1]);
1416 cx231xx_i2c_unregister(&dev->i2c_bus[0]);
1417 }
1418 EXPORT_SYMBOL_GPL(cx231xx_dev_uninit);
1419
1420 /*****************************************************************
1421 * G P I O related functions *
1422 ******************************************************************/
1423 int cx231xx_send_gpio_cmd(struct cx231xx *dev, u32 gpio_bit, u8 *gpio_val,
1424 u8 len, u8 request, u8 direction)
1425 {
1426 int status = 0;
1427 struct VENDOR_REQUEST_IN ven_req;
1428
1429 /* Set wValue */
1430 ven_req.wValue = (u16) (gpio_bit >> 16 & 0xffff);
1431
1432 /* set request */
1433 if (!request) {
1434 if (direction)
1435 ven_req.bRequest = VRT_GET_GPIO; /* 0x8 gpio */
1436 else
1437 ven_req.bRequest = VRT_SET_GPIO; /* 0x9 gpio */
1438 } else {
1439 if (direction)
1440 ven_req.bRequest = VRT_GET_GPIE; /* 0xa gpie */
1441 else
1442 ven_req.bRequest = VRT_SET_GPIE; /* 0xb gpie */
1443 }
1444
1445 /* set index value */
1446 ven_req.wIndex = (u16) (gpio_bit & 0xffff);
1447
1448 /* set wLength value */
1449 ven_req.wLength = len;
1450
1451 /* set bData value */
1452 ven_req.bData = 0;
1453
1454 /* set the buffer for read / write */
1455 ven_req.pBuff = gpio_val;
1456
1457 /* set the direction */
1458 if (direction) {
1459 ven_req.direction = USB_DIR_IN;
1460 memset(ven_req.pBuff, 0x00, ven_req.wLength);
1461 } else
1462 ven_req.direction = USB_DIR_OUT;
1463
1464
1465 /* call common vendor command request */
1466 status = cx231xx_send_vendor_cmd(dev, &ven_req);
1467 if (status < 0) {
1468 cx231xx_info
1469 ("UsbInterface::sendCommand, failed with status -%d\n",
1470 status);
1471 }
1472
1473 return status;
1474 }
1475 EXPORT_SYMBOL_GPL(cx231xx_send_gpio_cmd);
1476
1477 /*****************************************************************
1478 * C O N T R O L - Register R E A D / W R I T E functions *
1479 *****************************************************************/
1480 int cx231xx_mode_register(struct cx231xx *dev, u16 address, u32 mode)
1481 {
1482 u8 value[4] = { 0x0, 0x0, 0x0, 0x0 };
1483 u32 tmp = 0;
1484 int status = 0;
1485
1486 status =
1487 cx231xx_read_ctrl_reg(dev, VRT_GET_REGISTER, address, value, 4);
1488 if (status < 0)
1489 return status;
1490
1491 tmp = le32_to_cpu(*((u32 *) value));
1492 tmp |= mode;
1493
1494 value[0] = (u8) tmp;
1495 value[1] = (u8) (tmp >> 8);
1496 value[2] = (u8) (tmp >> 16);
1497 value[3] = (u8) (tmp >> 24);
1498
1499 status =
1500 cx231xx_write_ctrl_reg(dev, VRT_SET_REGISTER, address, value, 4);
1501
1502 return status;
1503 }
1504
1505 /*****************************************************************
1506 * I 2 C Internal C O N T R O L functions *
1507 *****************************************************************/
1508 int cx231xx_read_i2c_master(struct cx231xx *dev, u8 dev_addr, u16 saddr,
1509 u8 saddr_len, u32 *data, u8 data_len, int master)
1510 {
1511 int status = 0;
1512 struct cx231xx_i2c_xfer_data req_data;
1513 u8 value[64] = "0";
1514
1515 if (saddr_len == 0)
1516 saddr = 0;
1517 else if (saddr_len == 1)
1518 saddr &= 0xff;
1519
1520 /* prepare xfer_data struct */
1521 req_data.dev_addr = dev_addr >> 1;
1522 req_data.direction = I2C_M_RD;
1523 req_data.saddr_len = saddr_len;
1524 req_data.saddr_dat = saddr;
1525 req_data.buf_size = data_len;
1526 req_data.p_buffer = (u8 *) value;
1527
1528 /* usb send command */
1529 if (master == 0)
1530 status = dev->cx231xx_send_usb_command(&dev->i2c_bus[0],
1531 &req_data);
1532 else if (master == 1)
1533 status = dev->cx231xx_send_usb_command(&dev->i2c_bus[1],
1534 &req_data);
1535 else if (master == 2)
1536 status = dev->cx231xx_send_usb_command(&dev->i2c_bus[2],
1537 &req_data);
1538
1539 if (status >= 0) {
1540 /* Copy the data read back to main buffer */
1541 if (data_len == 1)
1542 *data = value[0];
1543 else if (data_len == 4)
1544 *data =
1545 value[0] | value[1] << 8 | value[2] << 16 | value[3]
1546 << 24;
1547 else if (data_len > 4)
1548 *data = value[saddr];
1549 }
1550
1551 return status;
1552 }
1553
1554 int cx231xx_write_i2c_master(struct cx231xx *dev, u8 dev_addr, u16 saddr,
1555 u8 saddr_len, u32 data, u8 data_len, int master)
1556 {
1557 int status = 0;
1558 u8 value[4] = { 0, 0, 0, 0 };
1559 struct cx231xx_i2c_xfer_data req_data;
1560
1561 value[0] = (u8) data;
1562 value[1] = (u8) (data >> 8);
1563 value[2] = (u8) (data >> 16);
1564 value[3] = (u8) (data >> 24);
1565
1566 if (saddr_len == 0)
1567 saddr = 0;
1568 else if (saddr_len == 1)
1569 saddr &= 0xff;
1570
1571 /* prepare xfer_data struct */
1572 req_data.dev_addr = dev_addr >> 1;
1573 req_data.direction = 0;
1574 req_data.saddr_len = saddr_len;
1575 req_data.saddr_dat = saddr;
1576 req_data.buf_size = data_len;
1577 req_data.p_buffer = value;
1578
1579 /* usb send command */
1580 if (master == 0)
1581 status = dev->cx231xx_send_usb_command(&dev->i2c_bus[0],
1582 &req_data);
1583 else if (master == 1)
1584 status = dev->cx231xx_send_usb_command(&dev->i2c_bus[1],
1585 &req_data);
1586 else if (master == 2)
1587 status = dev->cx231xx_send_usb_command(&dev->i2c_bus[2],
1588 &req_data);
1589
1590 return status;
1591 }
1592
1593 int cx231xx_read_i2c_data(struct cx231xx *dev, u8 dev_addr, u16 saddr,
1594 u8 saddr_len, u32 *data, u8 data_len)
1595 {
1596 int status = 0;
1597 struct cx231xx_i2c_xfer_data req_data;
1598 u8 value[4] = { 0, 0, 0, 0 };
1599
1600 if (saddr_len == 0)
1601 saddr = 0;
1602 else if (saddr_len == 1)
1603 saddr &= 0xff;
1604
1605 /* prepare xfer_data struct */
1606 req_data.dev_addr = dev_addr >> 1;
1607 req_data.direction = I2C_M_RD;
1608 req_data.saddr_len = saddr_len;
1609 req_data.saddr_dat = saddr;
1610 req_data.buf_size = data_len;
1611 req_data.p_buffer = (u8 *) value;
1612
1613 /* usb send command */
1614 status = dev->cx231xx_send_usb_command(&dev->i2c_bus[0], &req_data);
1615
1616 if (status >= 0) {
1617 /* Copy the data read back to main buffer */
1618 if (data_len == 1)
1619 *data = value[0];
1620 else
1621 *data =
1622 value[0] | value[1] << 8 | value[2] << 16 | value[3]
1623 << 24;
1624 }
1625
1626 return status;
1627 }
1628
1629 int cx231xx_write_i2c_data(struct cx231xx *dev, u8 dev_addr, u16 saddr,
1630 u8 saddr_len, u32 data, u8 data_len)
1631 {
1632 int status = 0;
1633 u8 value[4] = { 0, 0, 0, 0 };
1634 struct cx231xx_i2c_xfer_data req_data;
1635
1636 value[0] = (u8) data;
1637 value[1] = (u8) (data >> 8);
1638 value[2] = (u8) (data >> 16);
1639 value[3] = (u8) (data >> 24);
1640
1641 if (saddr_len == 0)
1642 saddr = 0;
1643 else if (saddr_len == 1)
1644 saddr &= 0xff;
1645
1646 /* prepare xfer_data struct */
1647 req_data.dev_addr = dev_addr >> 1;
1648 req_data.direction = 0;
1649 req_data.saddr_len = saddr_len;
1650 req_data.saddr_dat = saddr;
1651 req_data.buf_size = data_len;
1652 req_data.p_buffer = value;
1653
1654 /* usb send command */
1655 status = dev->cx231xx_send_usb_command(&dev->i2c_bus[0], &req_data);
1656
1657 return status;
1658 }
1659
1660 int cx231xx_reg_mask_write(struct cx231xx *dev, u8 dev_addr, u8 size,
1661 u16 register_address, u8 bit_start, u8 bit_end,
1662 u32 value)
1663 {
1664 int status = 0;
1665 u32 tmp;
1666 u32 mask = 0;
1667 int i;
1668
1669 if (bit_start > (size - 1) || bit_end > (size - 1))
1670 return -1;
1671
1672 if (size == 8) {
1673 status =
1674 cx231xx_read_i2c_data(dev, dev_addr, register_address, 2,
1675 &tmp, 1);
1676 } else {
1677 status =
1678 cx231xx_read_i2c_data(dev, dev_addr, register_address, 2,
1679 &tmp, 4);
1680 }
1681
1682 if (status < 0)
1683 return status;
1684
1685 mask = 1 << bit_end;
1686 for (i = bit_end; i > bit_start && i > 0; i--)
1687 mask = mask + (1 << (i - 1));
1688
1689 value <<= bit_start;
1690
1691 if (size == 8) {
1692 tmp &= ~mask;
1693 tmp |= value;
1694 tmp &= 0xff;
1695 status =
1696 cx231xx_write_i2c_data(dev, dev_addr, register_address, 2,
1697 tmp, 1);
1698 } else {
1699 tmp &= ~mask;
1700 tmp |= value;
1701 status =
1702 cx231xx_write_i2c_data(dev, dev_addr, register_address, 2,
1703 tmp, 4);
1704 }
1705
1706 return status;
1707 }
1708
1709 int cx231xx_read_modify_write_i2c_dword(struct cx231xx *dev, u8 dev_addr,
1710 u16 saddr, u32 mask, u32 value)
1711 {
1712 u32 temp;
1713 int status = 0;
1714
1715 status = cx231xx_read_i2c_data(dev, dev_addr, saddr, 2, &temp, 4);
1716
1717 if (status < 0)
1718 return status;
1719
1720 temp &= ~mask;
1721 temp |= value;
1722
1723 status = cx231xx_write_i2c_data(dev, dev_addr, saddr, 2, temp, 4);
1724
1725 return status;
1726 }
1727
1728 u32 cx231xx_set_field(u32 field_mask, u32 data)
1729 {
1730 u32 temp;
1731
1732 for (temp = field_mask; (temp & 1) == 0; temp >>= 1)
1733 data <<= 1;
1734
1735 return data;
1736 }
CRIS linux kernel tree