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Merge branch 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel...
[cris-mirror.git] / drivers / media / usb / cx231xx / cx231xx-core.c
blob4f43668df15df29275db3c296a747c0cc43fcdb7
1 /*
2 cx231xx-core.c - driver for Conexant Cx23100/101/102
3 USB video capture devices
4
5 Copyright (C) 2008 <srinivasa.deevi at conexant dot com>
6 Based on em28xx driver
7
8 This program is free software; you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 2 of the License, or
11 (at your option) any later version.
12
13 This program is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
17
18 You should have received a copy of the GNU General Public License
19 along with this program; if not, write to the Free Software
20 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
21 */
22
23 #include "cx231xx.h"
24 #include <linux/init.h>
25 #include <linux/list.h>
26 #include <linux/module.h>
27 #include <linux/slab.h>
28 #include <linux/vmalloc.h>
29 #include <media/v4l2-common.h>
30 #include <media/tuner.h>
31
32 #include "cx231xx-reg.h"
33
34 /* #define ENABLE_DEBUG_ISOC_FRAMES */
35
36 static unsigned int core_debug;
37 module_param(core_debug, int, 0644);
38 MODULE_PARM_DESC(core_debug, "enable debug messages [core]");
39
40 #define cx231xx_coredbg(fmt, arg...) do {\
41 if (core_debug) \
42 printk(KERN_INFO "%s %s :"fmt, \
43 dev->name, __func__ , ##arg); } while (0)
44
45 static unsigned int reg_debug;
46 module_param(reg_debug, int, 0644);
47 MODULE_PARM_DESC(reg_debug, "enable debug messages [URB reg]");
48
49 static int alt = CX231XX_PINOUT;
50 module_param(alt, int, 0644);
51 MODULE_PARM_DESC(alt, "alternate setting to use for video endpoint");
52
53 #define cx231xx_isocdbg(fmt, arg...) do {\
54 if (core_debug) \
55 printk(KERN_INFO "%s %s :"fmt, \
56 dev->name, __func__ , ##arg); } while (0)
57
58 /*****************************************************************
59 * Device control list functions *
60 ******************************************************************/
61
62 LIST_HEAD(cx231xx_devlist);
63 static DEFINE_MUTEX(cx231xx_devlist_mutex);
64
65 /*
66 * cx231xx_realease_resources()
67 * unregisters the v4l2,i2c and usb devices
68 * called when the device gets disconected or at module unload
69 */
70 void cx231xx_remove_from_devlist(struct cx231xx *dev)
71 {
72 if (dev == NULL)
73 return;
74 if (dev->udev == NULL)
75 return;
76
77 if (atomic_read(&dev->devlist_count) > 0) {
78 mutex_lock(&cx231xx_devlist_mutex);
79 list_del(&dev->devlist);
80 atomic_dec(&dev->devlist_count);
81 mutex_unlock(&cx231xx_devlist_mutex);
82 }
83 };
84
85 void cx231xx_add_into_devlist(struct cx231xx *dev)
86 {
87 mutex_lock(&cx231xx_devlist_mutex);
88 list_add_tail(&dev->devlist, &cx231xx_devlist);
89 atomic_inc(&dev->devlist_count);
90 mutex_unlock(&cx231xx_devlist_mutex);
91 };
92
93 static LIST_HEAD(cx231xx_extension_devlist);
94
95 int cx231xx_register_extension(struct cx231xx_ops *ops)
96 {
97 struct cx231xx *dev = NULL;
98
99 mutex_lock(&cx231xx_devlist_mutex);
100 list_add_tail(&ops->next, &cx231xx_extension_devlist);
101 list_for_each_entry(dev, &cx231xx_devlist, devlist) {
102 ops->init(dev);
103 dev_info(dev->dev, "%s initialized\n", ops->name);
104 }
105 mutex_unlock(&cx231xx_devlist_mutex);
106 return 0;
107 }
108 EXPORT_SYMBOL(cx231xx_register_extension);
109
110 void cx231xx_unregister_extension(struct cx231xx_ops *ops)
111 {
112 struct cx231xx *dev = NULL;
113
114 mutex_lock(&cx231xx_devlist_mutex);
115 list_for_each_entry(dev, &cx231xx_devlist, devlist) {
116 ops->fini(dev);
117 dev_info(dev->dev, "%s removed\n", ops->name);
118 }
119
120 list_del(&ops->next);
121 mutex_unlock(&cx231xx_devlist_mutex);
122 }
123 EXPORT_SYMBOL(cx231xx_unregister_extension);
124
125 void cx231xx_init_extension(struct cx231xx *dev)
126 {
127 struct cx231xx_ops *ops = NULL;
128
129 mutex_lock(&cx231xx_devlist_mutex);
130 if (!list_empty(&cx231xx_extension_devlist)) {
131 list_for_each_entry(ops, &cx231xx_extension_devlist, next) {
132 if (ops->init)
133 ops->init(dev);
134 }
135 }
136 mutex_unlock(&cx231xx_devlist_mutex);
137 }
138
139 void cx231xx_close_extension(struct cx231xx *dev)
140 {
141 struct cx231xx_ops *ops = NULL;
142
143 mutex_lock(&cx231xx_devlist_mutex);
144 if (!list_empty(&cx231xx_extension_devlist)) {
145 list_for_each_entry(ops, &cx231xx_extension_devlist, next) {
146 if (ops->fini)
147 ops->fini(dev);
148 }
149 }
150 mutex_unlock(&cx231xx_devlist_mutex);
151 }
152
153 /****************************************************************
154 * U S B related functions *
155 *****************************************************************/
156 int cx231xx_send_usb_command(struct cx231xx_i2c *i2c_bus,
157 struct cx231xx_i2c_xfer_data *req_data)
158 {
159 int status = 0;
160 struct cx231xx *dev = i2c_bus->dev;
161 struct VENDOR_REQUEST_IN ven_req;
162
163 u8 saddr_len = 0;
164 u8 _i2c_period = 0;
165 u8 _i2c_nostop = 0;
166 u8 _i2c_reserve = 0;
167
168 if (dev->state & DEV_DISCONNECTED)
169 return -ENODEV;
170
171 /* Get the I2C period, nostop and reserve parameters */
172 _i2c_period = i2c_bus->i2c_period;
173 _i2c_nostop = i2c_bus->i2c_nostop;
174 _i2c_reserve = i2c_bus->i2c_reserve;
175
176 saddr_len = req_data->saddr_len;
177
178 /* Set wValue */
179 ven_req.wValue = (req_data->dev_addr << 9 | _i2c_period << 4 |
180 saddr_len << 2 | _i2c_nostop << 1 | I2C_SYNC |
181 _i2c_reserve << 6);
182
183 /* set channel number */
184 if (req_data->direction & I2C_M_RD) {
185 /* channel number, for read,spec required channel_num +4 */
186 ven_req.bRequest = i2c_bus->nr + 4;
187 } else
188 ven_req.bRequest = i2c_bus->nr; /* channel number, */
189
190 /* set index value */
191 switch (saddr_len) {
192 case 0:
193 ven_req.wIndex = 0; /* need check */
194 break;
195 case 1:
196 ven_req.wIndex = (req_data->saddr_dat & 0xff);
197 break;
198 case 2:
199 ven_req.wIndex = req_data->saddr_dat;
200 break;
201 }
202
203 /* set wLength value */
204 ven_req.wLength = req_data->buf_size;
205
206 /* set bData value */
207 ven_req.bData = 0;
208
209 /* set the direction */
210 if (req_data->direction) {
211 ven_req.direction = USB_DIR_IN;
212 memset(req_data->p_buffer, 0x00, ven_req.wLength);
213 } else
214 ven_req.direction = USB_DIR_OUT;
215
216 /* set the buffer for read / write */
217 ven_req.pBuff = req_data->p_buffer;
218
219
220 /* call common vendor command request */
221 status = cx231xx_send_vendor_cmd(dev, &ven_req);
222 if (status < 0 && !dev->i2c_scan_running) {
223 dev_err(dev->dev, "%s: failed with status -%d\n",
224 __func__, status);
225 }
226
227 return status;
228 }
229 EXPORT_SYMBOL_GPL(cx231xx_send_usb_command);
230
231 /*
232 * Sends/Receives URB control messages, assuring to use a kalloced buffer
233 * for all operations (dev->urb_buf), to avoid using stacked buffers, as
234 * they aren't safe for usage with USB, due to DMA restrictions.
235 * Also implements the debug code for control URB's.
236 */
237 static int __usb_control_msg(struct cx231xx *dev, unsigned int pipe,
238 __u8 request, __u8 requesttype, __u16 value, __u16 index,
239 void *data, __u16 size, int timeout)
240 {
241 int rc, i;
242
243 if (reg_debug) {
244 printk(KERN_DEBUG "%s: (pipe 0x%08x): %s: %02x %02x %02x %02x %02x %02x %02x %02x ",
245 dev->name,
246 pipe,
247 (requesttype & USB_DIR_IN) ? "IN" : "OUT",
248 requesttype,
249 request,
250 value & 0xff, value >> 8,
251 index & 0xff, index >> 8,
252 size & 0xff, size >> 8);
253 if (!(requesttype & USB_DIR_IN)) {
254 printk(KERN_CONT ">>>");
255 for (i = 0; i < size; i++)
256 printk(KERN_CONT " %02x",
257 ((unsigned char *)data)[i]);
258 }
259 }
260
261 /* Do the real call to usb_control_msg */
262 mutex_lock(&dev->ctrl_urb_lock);
263 if (!(requesttype & USB_DIR_IN) && size)
264 memcpy(dev->urb_buf, data, size);
265 rc = usb_control_msg(dev->udev, pipe, request, requesttype, value,
266 index, dev->urb_buf, size, timeout);
267 if ((requesttype & USB_DIR_IN) && size)
268 memcpy(data, dev->urb_buf, size);
269 mutex_unlock(&dev->ctrl_urb_lock);
270
271 if (reg_debug) {
272 if (unlikely(rc < 0)) {
273 printk(KERN_CONT "FAILED!\n");
274 return rc;
275 }
276
277 if ((requesttype & USB_DIR_IN)) {
278 printk(KERN_CONT "<<<");
279 for (i = 0; i < size; i++)
280 printk(KERN_CONT " %02x",
281 ((unsigned char *)data)[i]);
282 }
283 printk(KERN_CONT "\n");
284 }
285
286 return rc;
287 }
288
289
290 /*
291 * cx231xx_read_ctrl_reg()
292 * reads data from the usb device specifying bRequest and wValue
293 */
294 int cx231xx_read_ctrl_reg(struct cx231xx *dev, u8 req, u16 reg,
295 char *buf, int len)
296 {
297 u8 val = 0;
298 int ret;
299 int pipe = usb_rcvctrlpipe(dev->udev, 0);
300
301 if (dev->state & DEV_DISCONNECTED)
302 return -ENODEV;
303
304 if (len > URB_MAX_CTRL_SIZE)
305 return -EINVAL;
306
307 switch (len) {
308 case 1:
309 val = ENABLE_ONE_BYTE;
310 break;
311 case 2:
312 val = ENABLE_TWE_BYTE;
313 break;
314 case 3:
315 val = ENABLE_THREE_BYTE;
316 break;
317 case 4:
318 val = ENABLE_FOUR_BYTE;
319 break;
320 default:
321 val = 0xFF; /* invalid option */
322 }
323
324 if (val == 0xFF)
325 return -EINVAL;
326
327 ret = __usb_control_msg(dev, pipe, req,
328 USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
329 val, reg, buf, len, HZ);
330 return ret;
331 }
332
333 int cx231xx_send_vendor_cmd(struct cx231xx *dev,
334 struct VENDOR_REQUEST_IN *ven_req)
335 {
336 int ret;
337 int pipe = 0;
338 int unsend_size = 0;
339 u8 *pdata;
340
341 if (dev->state & DEV_DISCONNECTED)
342 return -ENODEV;
343
344 if ((ven_req->wLength > URB_MAX_CTRL_SIZE))
345 return -EINVAL;
346
347 if (ven_req->direction)
348 pipe = usb_rcvctrlpipe(dev->udev, 0);
349 else
350 pipe = usb_sndctrlpipe(dev->udev, 0);
351
352 /*
353 * If the cx23102 read more than 4 bytes with i2c bus,
354 * need chop to 4 byte per request
355 */
356 if ((ven_req->wLength > 4) && ((ven_req->bRequest == 0x4) ||
357 (ven_req->bRequest == 0x5) ||
358 (ven_req->bRequest == 0x6) ||
359
360 /* Internal Master 3 Bus can send
361 * and receive only 4 bytes per time
362 */
363 (ven_req->bRequest == 0x2))) {
364 unsend_size = 0;
365 pdata = ven_req->pBuff;
366
367
368 unsend_size = ven_req->wLength;
369
370 /* the first package */
371 ven_req->wValue = ven_req->wValue & 0xFFFB;
372 ven_req->wValue = (ven_req->wValue & 0xFFBD) | 0x2;
373 ret = __usb_control_msg(dev, pipe, ven_req->bRequest,
374 ven_req->direction | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
375 ven_req->wValue, ven_req->wIndex, pdata,
376 0x0004, HZ);
377 unsend_size = unsend_size - 4;
378
379 /* the middle package */
380 ven_req->wValue = (ven_req->wValue & 0xFFBD) | 0x42;
381 while (unsend_size - 4 > 0) {
382 pdata = pdata + 4;
383 ret = __usb_control_msg(dev, pipe,
384 ven_req->bRequest,
385 ven_req->direction | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
386 ven_req->wValue, ven_req->wIndex, pdata,
387 0x0004, HZ);
388 unsend_size = unsend_size - 4;
389 }
390
391 /* the last package */
392 ven_req->wValue = (ven_req->wValue & 0xFFBD) | 0x40;
393 pdata = pdata + 4;
394 ret = __usb_control_msg(dev, pipe, ven_req->bRequest,
395 ven_req->direction | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
396 ven_req->wValue, ven_req->wIndex, pdata,
397 unsend_size, HZ);
398 } else {
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,
402 ven_req->pBuff, ven_req->wLength, HZ);
403 }
404
405 return ret;
406 }
407
408 /*
409 * cx231xx_write_ctrl_reg()
410 * sends data to the usb device, specifying bRequest
411 */
412 int cx231xx_write_ctrl_reg(struct cx231xx *dev, u8 req, u16 reg, char *buf,
413 int len)
414 {
415 u8 val = 0;
416 int ret;
417 int pipe = usb_sndctrlpipe(dev->udev, 0);
418
419 if (dev->state & DEV_DISCONNECTED)
420 return -ENODEV;
421
422 if ((len < 1) || (len > URB_MAX_CTRL_SIZE))
423 return -EINVAL;
424
425 switch (len) {
426 case 1:
427 val = ENABLE_ONE_BYTE;
428 break;
429 case 2:
430 val = ENABLE_TWE_BYTE;
431 break;
432 case 3:
433 val = ENABLE_THREE_BYTE;
434 break;
435 case 4:
436 val = ENABLE_FOUR_BYTE;
437 break;
438 default:
439 val = 0xFF; /* invalid option */
440 }
441
442 if (val == 0xFF)
443 return -EINVAL;
444
445 if (reg_debug) {
446 int byte;
447
448 cx231xx_isocdbg("(pipe 0x%08x): OUT: %02x %02x %02x %02x %02x %02x %02x %02x >>>",
449 pipe,
450 USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
451 req, 0, val, reg & 0xff,
452 reg >> 8, len & 0xff, len >> 8);
453
454 for (byte = 0; byte < len; byte++)
455 cx231xx_isocdbg(" %02x", (unsigned char)buf[byte]);
456 cx231xx_isocdbg("\n");
457 }
458
459 ret = __usb_control_msg(dev, pipe, req,
460 USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
461 val, reg, buf, len, HZ);
462
463 return ret;
464 }
465
466 /****************************************************************
467 * USB Alternate Setting functions *
468 *****************************************************************/
469
470 int cx231xx_set_video_alternate(struct cx231xx *dev)
471 {
472 int errCode, prev_alt = dev->video_mode.alt;
473 unsigned int min_pkt_size = dev->width * 2 + 4;
474 u32 usb_interface_index = 0;
475
476 /* When image size is bigger than a certain value,
477 the frame size should be increased, otherwise, only
478 green screen will be received.
479 */
480 if (dev->width * 2 * dev->height > 720 * 240 * 2)
481 min_pkt_size *= 2;
482
483 if (dev->width > 360) {
484 /* resolutions: 720,704,640 */
485 dev->video_mode.alt = 3;
486 } else if (dev->width > 180) {
487 /* resolutions: 360,352,320,240 */
488 dev->video_mode.alt = 2;
489 } else if (dev->width > 0) {
490 /* resolutions: 180,176,160,128,88 */
491 dev->video_mode.alt = 1;
492 } else {
493 /* Change to alt0 BULK to release USB bandwidth */
494 dev->video_mode.alt = 0;
495 }
496
497 if (dev->USE_ISO == 0)
498 dev->video_mode.alt = 0;
499
500 cx231xx_coredbg("dev->video_mode.alt= %d\n", dev->video_mode.alt);
501
502 /* Get the correct video interface Index */
503 usb_interface_index =
504 dev->current_pcb_config.hs_config_info[0].interface_info.
505 video_index + 1;
506
507 if (dev->video_mode.alt != prev_alt) {
508 cx231xx_coredbg("minimum isoc packet size: %u (alt=%d)\n",
509 min_pkt_size, dev->video_mode.alt);
510
511 if (dev->video_mode.alt_max_pkt_size != NULL)
512 dev->video_mode.max_pkt_size =
513 dev->video_mode.alt_max_pkt_size[dev->video_mode.alt];
514 cx231xx_coredbg("setting alternate %d with wMaxPacketSize=%u\n",
515 dev->video_mode.alt,
516 dev->video_mode.max_pkt_size);
517 errCode =
518 usb_set_interface(dev->udev, usb_interface_index,
519 dev->video_mode.alt);
520 if (errCode < 0) {
521 dev_err(dev->dev,
522 "cannot change alt number to %d (error=%i)\n",
523 dev->video_mode.alt, errCode);
524 return errCode;
525 }
526 }
527 return 0;
528 }
529
530 int cx231xx_set_alt_setting(struct cx231xx *dev, u8 index, u8 alt)
531 {
532 int status = 0;
533 u32 usb_interface_index = 0;
534 u32 max_pkt_size = 0;
535
536 switch (index) {
537 case INDEX_TS1:
538 usb_interface_index =
539 dev->current_pcb_config.hs_config_info[0].interface_info.
540 ts1_index + 1;
541 dev->ts1_mode.alt = alt;
542 if (dev->ts1_mode.alt_max_pkt_size != NULL)
543 max_pkt_size = dev->ts1_mode.max_pkt_size =
544 dev->ts1_mode.alt_max_pkt_size[dev->ts1_mode.alt];
545 break;
546 case INDEX_TS2:
547 usb_interface_index =
548 dev->current_pcb_config.hs_config_info[0].interface_info.
549 ts2_index + 1;
550 break;
551 case INDEX_AUDIO:
552 usb_interface_index =
553 dev->current_pcb_config.hs_config_info[0].interface_info.
554 audio_index + 1;
555 dev->adev.alt = alt;
556 if (dev->adev.alt_max_pkt_size != NULL)
557 max_pkt_size = dev->adev.max_pkt_size =
558 dev->adev.alt_max_pkt_size[dev->adev.alt];
559 break;
560 case INDEX_VIDEO:
561 usb_interface_index =
562 dev->current_pcb_config.hs_config_info[0].interface_info.
563 video_index + 1;
564 dev->video_mode.alt = alt;
565 if (dev->video_mode.alt_max_pkt_size != NULL)
566 max_pkt_size = dev->video_mode.max_pkt_size =
567 dev->video_mode.alt_max_pkt_size[dev->video_mode.
568 alt];
569 break;
570 case INDEX_VANC:
571 if (dev->board.no_alt_vanc)
572 return 0;
573 usb_interface_index =
574 dev->current_pcb_config.hs_config_info[0].interface_info.
575 vanc_index + 1;
576 dev->vbi_mode.alt = alt;
577 if (dev->vbi_mode.alt_max_pkt_size != NULL)
578 max_pkt_size = dev->vbi_mode.max_pkt_size =
579 dev->vbi_mode.alt_max_pkt_size[dev->vbi_mode.alt];
580 break;
581 case INDEX_HANC:
582 usb_interface_index =
583 dev->current_pcb_config.hs_config_info[0].interface_info.
584 hanc_index + 1;
585 dev->sliced_cc_mode.alt = alt;
586 if (dev->sliced_cc_mode.alt_max_pkt_size != NULL)
587 max_pkt_size = dev->sliced_cc_mode.max_pkt_size =
588 dev->sliced_cc_mode.alt_max_pkt_size[dev->
589 sliced_cc_mode.
590 alt];
591 break;
592 default:
593 break;
594 }
595
596 if (alt > 0 && max_pkt_size == 0) {
597 dev_err(dev->dev,
598 "can't change interface %d alt no. to %d: Max. Pkt size = 0\n",
599 usb_interface_index, alt);
600 /*To workaround error number=-71 on EP0 for videograbber,
601 need add following codes.*/
602 if (dev->board.no_alt_vanc)
603 return -1;
604 }
605
606 cx231xx_coredbg("setting alternate %d with wMaxPacketSize=%u,Interface = %d\n",
607 alt, max_pkt_size,
608 usb_interface_index);
609
610 if (usb_interface_index > 0) {
611 status = usb_set_interface(dev->udev, usb_interface_index, alt);
612 if (status < 0) {
613 dev_err(dev->dev,
614 "can't change interface %d alt no. to %d (err=%i)\n",
615 usb_interface_index, alt, status);
616 return status;
617 }
618 }
619
620 return status;
621 }
622 EXPORT_SYMBOL_GPL(cx231xx_set_alt_setting);
623
624 int cx231xx_gpio_set(struct cx231xx *dev, struct cx231xx_reg_seq *gpio)
625 {
626 int rc = 0;
627
628 if (!gpio)
629 return rc;
630
631 /* Send GPIO reset sequences specified at board entry */
632 while (gpio->sleep >= 0) {
633 rc = cx231xx_set_gpio_value(dev, gpio->bit, gpio->val);
634 if (rc < 0)
635 return rc;
636
637 if (gpio->sleep > 0)
638 msleep(gpio->sleep);
639
640 gpio++;
641 }
642 return rc;
643 }
644
645 int cx231xx_demod_reset(struct cx231xx *dev)
646 {
647
648 u8 status = 0;
649 u8 value[4] = { 0, 0, 0, 0 };
650
651 status = cx231xx_read_ctrl_reg(dev, VRT_GET_REGISTER, PWR_CTL_EN,
652 value, 4);
653
654 cx231xx_coredbg("reg0x%x=0x%x 0x%x 0x%x 0x%x\n", PWR_CTL_EN,
655 value[0], value[1], value[2], value[3]);
656
657 cx231xx_coredbg("Enter cx231xx_demod_reset()\n");
658
659 value[1] = (u8) 0x3;
660 status = cx231xx_write_ctrl_reg(dev, VRT_SET_REGISTER,
661 PWR_CTL_EN, value, 4);
662 msleep(10);
663
664 value[1] = (u8) 0x0;
665 status = cx231xx_write_ctrl_reg(dev, VRT_SET_REGISTER,
666 PWR_CTL_EN, value, 4);
667 msleep(10);
668
669 value[1] = (u8) 0x3;
670 status = cx231xx_write_ctrl_reg(dev, VRT_SET_REGISTER,
671 PWR_CTL_EN, value, 4);
672 msleep(10);
673
674 status = cx231xx_read_ctrl_reg(dev, VRT_GET_REGISTER, PWR_CTL_EN,
675 value, 4);
676
677 cx231xx_coredbg("reg0x%x=0x%x 0x%x 0x%x 0x%x\n", PWR_CTL_EN,
678 value[0], value[1], value[2], value[3]);
679
680 return status;
681 }
682 EXPORT_SYMBOL_GPL(cx231xx_demod_reset);
683 int is_fw_load(struct cx231xx *dev)
684 {
685 return cx231xx_check_fw(dev);
686 }
687 EXPORT_SYMBOL_GPL(is_fw_load);
688
689 int cx231xx_set_mode(struct cx231xx *dev, enum cx231xx_mode set_mode)
690 {
691 int errCode = 0;
692
693 if (dev->mode == set_mode)
694 return 0;
695
696 if (set_mode == CX231XX_SUSPEND) {
697 /* Set the chip in power saving mode */
698 dev->mode = set_mode;
699 }
700
701 /* Resource is locked */
702 if (dev->mode != CX231XX_SUSPEND)
703 return -EINVAL;
704
705 dev->mode = set_mode;
706
707 if (dev->mode == CX231XX_DIGITAL_MODE)/* Set Digital power mode */ {
708 /* set AGC mode to Digital */
709 switch (dev->model) {
710 case CX231XX_BOARD_CNXT_CARRAERA:
711 case CX231XX_BOARD_CNXT_RDE_250:
712 case CX231XX_BOARD_CNXT_SHELBY:
713 case CX231XX_BOARD_CNXT_RDU_250:
714 errCode = cx231xx_set_agc_analog_digital_mux_select(dev, 0);
715 break;
716 case CX231XX_BOARD_CNXT_RDE_253S:
717 case CX231XX_BOARD_CNXT_RDU_253S:
718 case CX231XX_BOARD_PV_PLAYTV_USB_HYBRID:
719 errCode = cx231xx_set_agc_analog_digital_mux_select(dev, 1);
720 break;
721 case CX231XX_BOARD_HAUPPAUGE_EXETER:
722 case CX231XX_BOARD_HAUPPAUGE_930C_HD_1113xx:
723 errCode = cx231xx_set_power_mode(dev,
724 POLARIS_AVMODE_DIGITAL);
725 break;
726 default:
727 break;
728 }
729 } else/* Set Analog Power mode */ {
730 /* set AGC mode to Analog */
731 switch (dev->model) {
732 case CX231XX_BOARD_CNXT_CARRAERA:
733 case CX231XX_BOARD_CNXT_RDE_250:
734 case CX231XX_BOARD_CNXT_SHELBY:
735 case CX231XX_BOARD_CNXT_RDU_250:
736 errCode = cx231xx_set_agc_analog_digital_mux_select(dev, 1);
737 break;
738 case CX231XX_BOARD_CNXT_RDE_253S:
739 case CX231XX_BOARD_CNXT_RDU_253S:
740 case CX231XX_BOARD_HAUPPAUGE_EXETER:
741 case CX231XX_BOARD_HAUPPAUGE_930C_HD_1113xx:
742 case CX231XX_BOARD_PV_PLAYTV_USB_HYBRID:
743 case CX231XX_BOARD_HAUPPAUGE_USB2_FM_PAL:
744 case CX231XX_BOARD_HAUPPAUGE_USB2_FM_NTSC:
745 errCode = cx231xx_set_agc_analog_digital_mux_select(dev, 0);
746 break;
747 default:
748 break;
749 }
750 }
751
752 if (errCode < 0) {
753 dev_err(dev->dev, "Failed to set devmode to %s: error: %i",
754 dev->mode == CX231XX_DIGITAL_MODE ? "digital" : "analog",
755 errCode);
756 return errCode;
757 }
758
759 return 0;
760 }
761 EXPORT_SYMBOL_GPL(cx231xx_set_mode);
762
763 int cx231xx_ep5_bulkout(struct cx231xx *dev, u8 *firmware, u16 size)
764 {
765 int errCode = 0;
766 int actlen = -1;
767 int ret = -ENOMEM;
768 u32 *buffer;
769
770 buffer = kzalloc(4096, GFP_KERNEL);
771 if (buffer == NULL)
772 return -ENOMEM;
773 memcpy(&buffer[0], firmware, 4096);
774
775 ret = usb_bulk_msg(dev->udev, usb_sndbulkpipe(dev->udev, 5),
776 buffer, 4096, &actlen, 2000);
777
778 if (ret)
779 dev_err(dev->dev,
780 "bulk message failed: %d (%d/%d)", ret,
781 size, actlen);
782 else {
783 errCode = actlen != size ? -1 : 0;
784 }
785 kfree(buffer);
786 return errCode;
787 }
788
789 /*****************************************************************
790 * URB Streaming functions *
791 ******************************************************************/
792
793 /*
794 * IRQ callback, called by URB callback
795 */
796 static void cx231xx_isoc_irq_callback(struct urb *urb)
797 {
798 struct cx231xx_dmaqueue *dma_q = urb->context;
799 struct cx231xx_video_mode *vmode =
800 container_of(dma_q, struct cx231xx_video_mode, vidq);
801 struct cx231xx *dev = container_of(vmode, struct cx231xx, video_mode);
802 int i;
803
804 switch (urb->status) {
805 case 0: /* success */
806 case -ETIMEDOUT: /* NAK */
807 break;
808 case -ECONNRESET: /* kill */
809 case -ENOENT:
810 case -ESHUTDOWN:
811 return;
812 default: /* error */
813 cx231xx_isocdbg("urb completion error %d.\n", urb->status);
814 break;
815 }
816
817 /* Copy data from URB */
818 spin_lock(&dev->video_mode.slock);
819 dev->video_mode.isoc_ctl.isoc_copy(dev, urb);
820 spin_unlock(&dev->video_mode.slock);
821
822 /* Reset urb buffers */
823 for (i = 0; i < urb->number_of_packets; i++) {
824 urb->iso_frame_desc[i].status = 0;
825 urb->iso_frame_desc[i].actual_length = 0;
826 }
827
828 urb->status = usb_submit_urb(urb, GFP_ATOMIC);
829 if (urb->status) {
830 cx231xx_isocdbg("urb resubmit failed (error=%i)\n",
831 urb->status);
832 }
833 }
834 /*****************************************************************
835 * URB Streaming functions *
836 ******************************************************************/
837
838 /*
839 * IRQ callback, called by URB callback
840 */
841 static void cx231xx_bulk_irq_callback(struct urb *urb)
842 {
843 struct cx231xx_dmaqueue *dma_q = urb->context;
844 struct cx231xx_video_mode *vmode =
845 container_of(dma_q, struct cx231xx_video_mode, vidq);
846 struct cx231xx *dev = container_of(vmode, struct cx231xx, video_mode);
847
848 switch (urb->status) {
849 case 0: /* success */
850 case -ETIMEDOUT: /* NAK */
851 break;
852 case -ECONNRESET: /* kill */
853 case -ENOENT:
854 case -ESHUTDOWN:
855 return;
856 case -EPIPE: /* stall */
857 cx231xx_isocdbg("urb completion error - device is stalled.\n");
858 return;
859 default: /* error */
860 cx231xx_isocdbg("urb completion error %d.\n", urb->status);
861 break;
862 }
863
864 /* Copy data from URB */
865 spin_lock(&dev->video_mode.slock);
866 dev->video_mode.bulk_ctl.bulk_copy(dev, urb);
867 spin_unlock(&dev->video_mode.slock);
868
869 /* Reset urb buffers */
870 urb->status = usb_submit_urb(urb, GFP_ATOMIC);
871 if (urb->status) {
872 cx231xx_isocdbg("urb resubmit failed (error=%i)\n",
873 urb->status);
874 }
875 }
876 /*
877 * Stop and Deallocate URBs
878 */
879 void cx231xx_uninit_isoc(struct cx231xx *dev)
880 {
881 struct cx231xx_dmaqueue *dma_q = &dev->video_mode.vidq;
882 struct urb *urb;
883 int i;
884 bool broken_pipe = false;
885
886 cx231xx_isocdbg("cx231xx: called cx231xx_uninit_isoc\n");
887
888 dev->video_mode.isoc_ctl.nfields = -1;
889 for (i = 0; i < dev->video_mode.isoc_ctl.num_bufs; i++) {
890 urb = dev->video_mode.isoc_ctl.urb[i];
891 if (urb) {
892 if (!irqs_disabled())
893 usb_kill_urb(urb);
894 else
895 usb_unlink_urb(urb);
896
897 if (dev->video_mode.isoc_ctl.transfer_buffer[i]) {
898 usb_free_coherent(dev->udev,
899 urb->transfer_buffer_length,
900 dev->video_mode.isoc_ctl.
901 transfer_buffer[i],
902 urb->transfer_dma);
903 }
904 if (urb->status == -EPIPE) {
905 broken_pipe = true;
906 }
907 usb_free_urb(urb);
908 dev->video_mode.isoc_ctl.urb[i] = NULL;
909 }
910 dev->video_mode.isoc_ctl.transfer_buffer[i] = NULL;
911 }
912
913 if (broken_pipe) {
914 cx231xx_isocdbg("Reset endpoint to recover broken pipe.");
915 usb_reset_endpoint(dev->udev, dev->video_mode.end_point_addr);
916 }
917 kfree(dev->video_mode.isoc_ctl.urb);
918 kfree(dev->video_mode.isoc_ctl.transfer_buffer);
919 kfree(dma_q->p_left_data);
920
921 dev->video_mode.isoc_ctl.urb = NULL;
922 dev->video_mode.isoc_ctl.transfer_buffer = NULL;
923 dev->video_mode.isoc_ctl.num_bufs = 0;
924 dma_q->p_left_data = NULL;
925
926 if (dev->mode_tv == 0)
927 cx231xx_capture_start(dev, 0, Raw_Video);
928 else
929 cx231xx_capture_start(dev, 0, TS1_serial_mode);
930
931
932 }
933 EXPORT_SYMBOL_GPL(cx231xx_uninit_isoc);
934
935 /*
936 * Stop and Deallocate URBs
937 */
938 void cx231xx_uninit_bulk(struct cx231xx *dev)
939 {
940 struct cx231xx_dmaqueue *dma_q = &dev->video_mode.vidq;
941 struct urb *urb;
942 int i;
943 bool broken_pipe = false;
944
945 cx231xx_isocdbg("cx231xx: called cx231xx_uninit_bulk\n");
946
947 dev->video_mode.bulk_ctl.nfields = -1;
948 for (i = 0; i < dev->video_mode.bulk_ctl.num_bufs; i++) {
949 urb = dev->video_mode.bulk_ctl.urb[i];
950 if (urb) {
951 if (!irqs_disabled())
952 usb_kill_urb(urb);
953 else
954 usb_unlink_urb(urb);
955
956 if (dev->video_mode.bulk_ctl.transfer_buffer[i]) {
957 usb_free_coherent(dev->udev,
958 urb->transfer_buffer_length,
959 dev->video_mode.bulk_ctl.
960 transfer_buffer[i],
961 urb->transfer_dma);
962 }
963 if (urb->status == -EPIPE) {
964 broken_pipe = true;
965 }
966 usb_free_urb(urb);
967 dev->video_mode.bulk_ctl.urb[i] = NULL;
968 }
969 dev->video_mode.bulk_ctl.transfer_buffer[i] = NULL;
970 }
971
972 if (broken_pipe) {
973 cx231xx_isocdbg("Reset endpoint to recover broken pipe.");
974 usb_reset_endpoint(dev->udev, dev->video_mode.end_point_addr);
975 }
976 kfree(dev->video_mode.bulk_ctl.urb);
977 kfree(dev->video_mode.bulk_ctl.transfer_buffer);
978 kfree(dma_q->p_left_data);
979
980 dev->video_mode.bulk_ctl.urb = NULL;
981 dev->video_mode.bulk_ctl.transfer_buffer = NULL;
982 dev->video_mode.bulk_ctl.num_bufs = 0;
983 dma_q->p_left_data = NULL;
984
985 if (dev->mode_tv == 0)
986 cx231xx_capture_start(dev, 0, Raw_Video);
987 else
988 cx231xx_capture_start(dev, 0, TS1_serial_mode);
989
990
991 }
992 EXPORT_SYMBOL_GPL(cx231xx_uninit_bulk);
993
994 /*
995 * Allocate URBs and start IRQ
996 */
997 int cx231xx_init_isoc(struct cx231xx *dev, int max_packets,
998 int num_bufs, int max_pkt_size,
999 int (*isoc_copy) (struct cx231xx *dev, struct urb *urb))
1000 {
1001 struct cx231xx_dmaqueue *dma_q = &dev->video_mode.vidq;
1002 int i;
1003 int sb_size, pipe;
1004 struct urb *urb;
1005 int j, k;
1006 int rc;
1007
1008 /* De-allocates all pending stuff */
1009 cx231xx_uninit_isoc(dev);
1010
1011 dma_q->p_left_data = kzalloc(4096, GFP_KERNEL);
1012 if (dma_q->p_left_data == NULL)
1013 return -ENOMEM;
1014
1015 dev->video_mode.isoc_ctl.isoc_copy = isoc_copy;
1016 dev->video_mode.isoc_ctl.num_bufs = num_bufs;
1017 dma_q->pos = 0;
1018 dma_q->is_partial_line = 0;
1019 dma_q->last_sav = 0;
1020 dma_q->current_field = -1;
1021 dma_q->field1_done = 0;
1022 dma_q->lines_per_field = dev->height / 2;
1023 dma_q->bytes_left_in_line = dev->width << 1;
1024 dma_q->lines_completed = 0;
1025 dma_q->mpeg_buffer_done = 0;
1026 dma_q->left_data_count = 0;
1027 dma_q->mpeg_buffer_completed = 0;
1028 dma_q->add_ps_package_head = CX231XX_NEED_ADD_PS_PACKAGE_HEAD;
1029 dma_q->ps_head[0] = 0x00;
1030 dma_q->ps_head[1] = 0x00;
1031 dma_q->ps_head[2] = 0x01;
1032 dma_q->ps_head[3] = 0xBA;
1033 for (i = 0; i < 8; i++)
1034 dma_q->partial_buf[i] = 0;
1035
1036 dev->video_mode.isoc_ctl.urb =
1037 kzalloc(sizeof(void *) * num_bufs, GFP_KERNEL);
1038 if (!dev->video_mode.isoc_ctl.urb) {
1039 dev_err(dev->dev,
1040 "cannot alloc memory for usb buffers\n");
1041 return -ENOMEM;
1042 }
1043
1044 dev->video_mode.isoc_ctl.transfer_buffer =
1045 kzalloc(sizeof(void *) * num_bufs, GFP_KERNEL);
1046 if (!dev->video_mode.isoc_ctl.transfer_buffer) {
1047 dev_err(dev->dev,
1048 "cannot allocate memory for usbtransfer\n");
1049 kfree(dev->video_mode.isoc_ctl.urb);
1050 return -ENOMEM;
1051 }
1052
1053 dev->video_mode.isoc_ctl.max_pkt_size = max_pkt_size;
1054 dev->video_mode.isoc_ctl.buf = NULL;
1055
1056 sb_size = max_packets * dev->video_mode.isoc_ctl.max_pkt_size;
1057
1058 if (dev->mode_tv == 1)
1059 dev->video_mode.end_point_addr = 0x81;
1060 else
1061 dev->video_mode.end_point_addr = 0x84;
1062
1063
1064 /* allocate urbs and transfer buffers */
1065 for (i = 0; i < dev->video_mode.isoc_ctl.num_bufs; i++) {
1066 urb = usb_alloc_urb(max_packets, GFP_KERNEL);
1067 if (!urb) {
1068 cx231xx_uninit_isoc(dev);
1069 return -ENOMEM;
1070 }
1071 dev->video_mode.isoc_ctl.urb[i] = urb;
1072
1073 dev->video_mode.isoc_ctl.transfer_buffer[i] =
1074 usb_alloc_coherent(dev->udev, sb_size, GFP_KERNEL,
1075 &urb->transfer_dma);
1076 if (!dev->video_mode.isoc_ctl.transfer_buffer[i]) {
1077 dev_err(dev->dev,
1078 "unable to allocate %i bytes for transfer buffer %i%s\n",
1079 sb_size, i,
1080 in_interrupt() ? " while in int" : "");
1081 cx231xx_uninit_isoc(dev);
1082 return -ENOMEM;
1083 }
1084 memset(dev->video_mode.isoc_ctl.transfer_buffer[i], 0, sb_size);
1085
1086 pipe =
1087 usb_rcvisocpipe(dev->udev, dev->video_mode.end_point_addr);
1088
1089 usb_fill_int_urb(urb, dev->udev, pipe,
1090 dev->video_mode.isoc_ctl.transfer_buffer[i],
1091 sb_size, cx231xx_isoc_irq_callback, dma_q, 1);
1092
1093 urb->number_of_packets = max_packets;
1094 urb->transfer_flags = URB_ISO_ASAP | URB_NO_TRANSFER_DMA_MAP;
1095
1096 k = 0;
1097 for (j = 0; j < max_packets; j++) {
1098 urb->iso_frame_desc[j].offset = k;
1099 urb->iso_frame_desc[j].length =
1100 dev->video_mode.isoc_ctl.max_pkt_size;
1101 k += dev->video_mode.isoc_ctl.max_pkt_size;
1102 }
1103 }
1104
1105 init_waitqueue_head(&dma_q->wq);
1106
1107 /* submit urbs and enables IRQ */
1108 for (i = 0; i < dev->video_mode.isoc_ctl.num_bufs; i++) {
1109 rc = usb_submit_urb(dev->video_mode.isoc_ctl.urb[i],
1110 GFP_ATOMIC);
1111 if (rc) {
1112 dev_err(dev->dev,
1113 "submit of urb %i failed (error=%i)\n", i,
1114 rc);
1115 cx231xx_uninit_isoc(dev);
1116 return rc;
1117 }
1118 }
1119
1120 if (dev->mode_tv == 0)
1121 cx231xx_capture_start(dev, 1, Raw_Video);
1122 else
1123 cx231xx_capture_start(dev, 1, TS1_serial_mode);
1124
1125 return 0;
1126 }
1127 EXPORT_SYMBOL_GPL(cx231xx_init_isoc);
1128
1129 /*
1130 * Allocate URBs and start IRQ
1131 */
1132 int cx231xx_init_bulk(struct cx231xx *dev, int max_packets,
1133 int num_bufs, int max_pkt_size,
1134 int (*bulk_copy) (struct cx231xx *dev, struct urb *urb))
1135 {
1136 struct cx231xx_dmaqueue *dma_q = &dev->video_mode.vidq;
1137 int i;
1138 int sb_size, pipe;
1139 struct urb *urb;
1140 int rc;
1141
1142 dev->video_input = dev->video_input > 2 ? 2 : dev->video_input;
1143
1144 cx231xx_coredbg("Setting Video mux to %d\n", dev->video_input);
1145
1146 video_mux(dev, dev->video_input);
1147
1148 /* De-allocates all pending stuff */
1149 cx231xx_uninit_bulk(dev);
1150
1151 dev->video_mode.bulk_ctl.bulk_copy = bulk_copy;
1152 dev->video_mode.bulk_ctl.num_bufs = num_bufs;
1153 dma_q->pos = 0;
1154 dma_q->is_partial_line = 0;
1155 dma_q->last_sav = 0;
1156 dma_q->current_field = -1;
1157 dma_q->field1_done = 0;
1158 dma_q->lines_per_field = dev->height / 2;
1159 dma_q->bytes_left_in_line = dev->width << 1;
1160 dma_q->lines_completed = 0;
1161 dma_q->mpeg_buffer_done = 0;
1162 dma_q->left_data_count = 0;
1163 dma_q->mpeg_buffer_completed = 0;
1164 dma_q->ps_head[0] = 0x00;
1165 dma_q->ps_head[1] = 0x00;
1166 dma_q->ps_head[2] = 0x01;
1167 dma_q->ps_head[3] = 0xBA;
1168 for (i = 0; i < 8; i++)
1169 dma_q->partial_buf[i] = 0;
1170
1171 dev->video_mode.bulk_ctl.urb =
1172 kzalloc(sizeof(void *) * num_bufs, GFP_KERNEL);
1173 if (!dev->video_mode.bulk_ctl.urb) {
1174 dev_err(dev->dev,
1175 "cannot alloc memory for usb buffers\n");
1176 return -ENOMEM;
1177 }
1178
1179 dev->video_mode.bulk_ctl.transfer_buffer =
1180 kzalloc(sizeof(void *) * num_bufs, GFP_KERNEL);
1181 if (!dev->video_mode.bulk_ctl.transfer_buffer) {
1182 dev_err(dev->dev,
1183 "cannot allocate memory for usbtransfer\n");
1184 kfree(dev->video_mode.bulk_ctl.urb);
1185 return -ENOMEM;
1186 }
1187
1188 dev->video_mode.bulk_ctl.max_pkt_size = max_pkt_size;
1189 dev->video_mode.bulk_ctl.buf = NULL;
1190
1191 sb_size = max_packets * dev->video_mode.bulk_ctl.max_pkt_size;
1192
1193 if (dev->mode_tv == 1)
1194 dev->video_mode.end_point_addr = 0x81;
1195 else
1196 dev->video_mode.end_point_addr = 0x84;
1197
1198
1199 /* allocate urbs and transfer buffers */
1200 for (i = 0; i < dev->video_mode.bulk_ctl.num_bufs; i++) {
1201 urb = usb_alloc_urb(0, GFP_KERNEL);
1202 if (!urb) {
1203 cx231xx_uninit_bulk(dev);
1204 return -ENOMEM;
1205 }
1206 dev->video_mode.bulk_ctl.urb[i] = urb;
1207 urb->transfer_flags = URB_NO_TRANSFER_DMA_MAP;
1208
1209 dev->video_mode.bulk_ctl.transfer_buffer[i] =
1210 usb_alloc_coherent(dev->udev, sb_size, GFP_KERNEL,
1211 &urb->transfer_dma);
1212 if (!dev->video_mode.bulk_ctl.transfer_buffer[i]) {
1213 dev_err(dev->dev,
1214 "unable to allocate %i bytes for transfer buffer %i%s\n",
1215 sb_size, i,
1216 in_interrupt() ? " while in int" : "");
1217 cx231xx_uninit_bulk(dev);
1218 return -ENOMEM;
1219 }
1220 memset(dev->video_mode.bulk_ctl.transfer_buffer[i], 0, sb_size);
1221
1222 pipe = usb_rcvbulkpipe(dev->udev,
1223 dev->video_mode.end_point_addr);
1224 usb_fill_bulk_urb(urb, dev->udev, pipe,
1225 dev->video_mode.bulk_ctl.transfer_buffer[i],
1226 sb_size, cx231xx_bulk_irq_callback, dma_q);
1227 }
1228
1229 /* clear halt */
1230 rc = usb_clear_halt(dev->udev, dev->video_mode.bulk_ctl.urb[0]->pipe);
1231 if (rc < 0) {
1232 dev_err(dev->dev,
1233 "failed to clear USB bulk endpoint stall/halt condition (error=%i)\n",
1234 rc);
1235 cx231xx_uninit_bulk(dev);
1236 return rc;
1237 }
1238
1239 init_waitqueue_head(&dma_q->wq);
1240
1241 /* submit urbs and enables IRQ */
1242 for (i = 0; i < dev->video_mode.bulk_ctl.num_bufs; i++) {
1243 rc = usb_submit_urb(dev->video_mode.bulk_ctl.urb[i],
1244 GFP_ATOMIC);
1245 if (rc) {
1246 dev_err(dev->dev,
1247 "submit of urb %i failed (error=%i)\n", i, rc);
1248 cx231xx_uninit_bulk(dev);
1249 return rc;
1250 }
1251 }
1252
1253 if (dev->mode_tv == 0)
1254 cx231xx_capture_start(dev, 1, Raw_Video);
1255 else
1256 cx231xx_capture_start(dev, 1, TS1_serial_mode);
1257
1258 return 0;
1259 }
1260 EXPORT_SYMBOL_GPL(cx231xx_init_bulk);
1261 void cx231xx_stop_TS1(struct cx231xx *dev)
1262 {
1263 u8 val[4] = { 0, 0, 0, 0 };
1264
1265 val[0] = 0x00;
1266 val[1] = 0x03;
1267 val[2] = 0x00;
1268 val[3] = 0x00;
1269 cx231xx_write_ctrl_reg(dev, VRT_SET_REGISTER,
1270 TS_MODE_REG, val, 4);
1271
1272 val[0] = 0x00;
1273 val[1] = 0x70;
1274 val[2] = 0x04;
1275 val[3] = 0x00;
1276 cx231xx_write_ctrl_reg(dev, VRT_SET_REGISTER,
1277 TS1_CFG_REG, val, 4);
1278 }
1279 /* EXPORT_SYMBOL_GPL(cx231xx_stop_TS1); */
1280 void cx231xx_start_TS1(struct cx231xx *dev)
1281 {
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 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 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 dev->i2c_bus[0].i2c_rc = -ENODEV;
1315
1316 /* External Master 2 Bus */
1317 dev->i2c_bus[1].nr = 1;
1318 dev->i2c_bus[1].dev = dev;
1319 dev->i2c_bus[1].i2c_period = I2C_SPEED_100K; /* 100 KHz */
1320 dev->i2c_bus[1].i2c_nostop = 0;
1321 dev->i2c_bus[1].i2c_reserve = 0;
1322 dev->i2c_bus[1].i2c_rc = -ENODEV;
1323
1324 /* Internal Master 3 Bus */
1325 dev->i2c_bus[2].nr = 2;
1326 dev->i2c_bus[2].dev = dev;
1327 dev->i2c_bus[2].i2c_period = I2C_SPEED_100K; /* 100kHz */
1328 dev->i2c_bus[2].i2c_nostop = 0;
1329 dev->i2c_bus[2].i2c_reserve = 0;
1330 dev->i2c_bus[2].i2c_rc = -ENODEV;
1331
1332 /* register I2C buses */
1333 errCode = cx231xx_i2c_register(&dev->i2c_bus[0]);
1334 if (errCode < 0)
1335 return errCode;
1336 errCode = cx231xx_i2c_register(&dev->i2c_bus[1]);
1337 if (errCode < 0)
1338 return errCode;
1339 errCode = cx231xx_i2c_register(&dev->i2c_bus[2]);
1340 if (errCode < 0)
1341 return errCode;
1342
1343 errCode = cx231xx_i2c_mux_create(dev);
1344 if (errCode < 0) {
1345 dev_err(dev->dev,
1346 "%s: Failed to create I2C mux\n", __func__);
1347 return errCode;
1348 }
1349 errCode = cx231xx_i2c_mux_register(dev, 0);
1350 if (errCode < 0)
1351 return errCode;
1352
1353 errCode = cx231xx_i2c_mux_register(dev, 1);
1354 if (errCode < 0)
1355 return errCode;
1356
1357 /* scan the real bus segments in the order of physical port numbers */
1358 cx231xx_do_i2c_scan(dev, I2C_0);
1359 cx231xx_do_i2c_scan(dev, I2C_1_MUX_1);
1360 cx231xx_do_i2c_scan(dev, I2C_2);
1361 cx231xx_do_i2c_scan(dev, I2C_1_MUX_3);
1362
1363 /* init hardware */
1364 /* Note : with out calling set power mode function,
1365 afe can not be set up correctly */
1366 if (dev->board.external_av) {
1367 errCode = cx231xx_set_power_mode(dev,
1368 POLARIS_AVMODE_ENXTERNAL_AV);
1369 if (errCode < 0) {
1370 dev_err(dev->dev,
1371 "%s: Failed to set Power - errCode [%d]!\n",
1372 __func__, errCode);
1373 return errCode;
1374 }
1375 } else {
1376 errCode = cx231xx_set_power_mode(dev,
1377 POLARIS_AVMODE_ANALOGT_TV);
1378 if (errCode < 0) {
1379 dev_err(dev->dev,
1380 "%s: Failed to set Power - errCode [%d]!\n",
1381 __func__, errCode);
1382 return errCode;
1383 }
1384 }
1385
1386 /* reset the Tuner, if it is a Xceive tuner */
1387 if ((dev->board.tuner_type == TUNER_XC5000) ||
1388 (dev->board.tuner_type == TUNER_XC2028))
1389 cx231xx_gpio_set(dev, dev->board.tuner_gpio);
1390
1391 /* initialize Colibri block */
1392 errCode = cx231xx_afe_init_super_block(dev, 0x23c);
1393 if (errCode < 0) {
1394 dev_err(dev->dev,
1395 "%s: cx231xx_afe init super block - errCode [%d]!\n",
1396 __func__, errCode);
1397 return errCode;
1398 }
1399 errCode = cx231xx_afe_init_channels(dev);
1400 if (errCode < 0) {
1401 dev_err(dev->dev,
1402 "%s: cx231xx_afe init channels - errCode [%d]!\n",
1403 __func__, errCode);
1404 return errCode;
1405 }
1406
1407 /* Set DIF in By pass mode */
1408 errCode = cx231xx_dif_set_standard(dev, DIF_USE_BASEBAND);
1409 if (errCode < 0) {
1410 dev_err(dev->dev,
1411 "%s: cx231xx_dif set to By pass mode - errCode [%d]!\n",
1412 __func__, errCode);
1413 return errCode;
1414 }
1415
1416 /* I2S block related functions */
1417 errCode = cx231xx_i2s_blk_initialize(dev);
1418 if (errCode < 0) {
1419 dev_err(dev->dev,
1420 "%s: cx231xx_i2s block initialize - errCode [%d]!\n",
1421 __func__, errCode);
1422 return errCode;
1423 }
1424
1425 /* init control pins */
1426 errCode = cx231xx_init_ctrl_pin_status(dev);
1427 if (errCode < 0) {
1428 dev_err(dev->dev,
1429 "%s: cx231xx_init ctrl pins - errCode [%d]!\n",
1430 __func__, errCode);
1431 return errCode;
1432 }
1433
1434 /* set AGC mode to Analog */
1435 switch (dev->model) {
1436 case CX231XX_BOARD_CNXT_CARRAERA:
1437 case CX231XX_BOARD_CNXT_RDE_250:
1438 case CX231XX_BOARD_CNXT_SHELBY:
1439 case CX231XX_BOARD_CNXT_RDU_250:
1440 errCode = cx231xx_set_agc_analog_digital_mux_select(dev, 1);
1441 break;
1442 case CX231XX_BOARD_CNXT_RDE_253S:
1443 case CX231XX_BOARD_CNXT_RDU_253S:
1444 case CX231XX_BOARD_HAUPPAUGE_EXETER:
1445 case CX231XX_BOARD_HAUPPAUGE_930C_HD_1113xx:
1446 case CX231XX_BOARD_PV_PLAYTV_USB_HYBRID:
1447 case CX231XX_BOARD_HAUPPAUGE_USB2_FM_PAL:
1448 case CX231XX_BOARD_HAUPPAUGE_USB2_FM_NTSC:
1449 errCode = cx231xx_set_agc_analog_digital_mux_select(dev, 0);
1450 break;
1451 default:
1452 break;
1453 }
1454 if (errCode < 0) {
1455 dev_err(dev->dev,
1456 "%s: cx231xx_AGC mode to Analog - errCode [%d]!\n",
1457 __func__, errCode);
1458 return errCode;
1459 }
1460
1461 /* set all alternate settings to zero initially */
1462 cx231xx_set_alt_setting(dev, INDEX_VIDEO, 0);
1463 cx231xx_set_alt_setting(dev, INDEX_VANC, 0);
1464 cx231xx_set_alt_setting(dev, INDEX_HANC, 0);
1465 if (dev->board.has_dvb)
1466 cx231xx_set_alt_setting(dev, INDEX_TS1, 0);
1467
1468 errCode = 0;
1469 return errCode;
1470 }
1471 EXPORT_SYMBOL_GPL(cx231xx_dev_init);
1472
1473 void cx231xx_dev_uninit(struct cx231xx *dev)
1474 {
1475 /* Un Initialize I2C bus */
1476 cx231xx_i2c_mux_unregister(dev);
1477 cx231xx_i2c_unregister(&dev->i2c_bus[2]);
1478 cx231xx_i2c_unregister(&dev->i2c_bus[1]);
1479 cx231xx_i2c_unregister(&dev->i2c_bus[0]);
1480 }
1481 EXPORT_SYMBOL_GPL(cx231xx_dev_uninit);
1482
1483 /*****************************************************************
1484 * G P I O related functions *
1485 ******************************************************************/
1486 int cx231xx_send_gpio_cmd(struct cx231xx *dev, u32 gpio_bit, u8 *gpio_val,
1487 u8 len, u8 request, u8 direction)
1488 {
1489 int status = 0;
1490 struct VENDOR_REQUEST_IN ven_req;
1491
1492 /* Set wValue */
1493 ven_req.wValue = (u16) (gpio_bit >> 16 & 0xffff);
1494
1495 /* set request */
1496 if (!request) {
1497 if (direction)
1498 ven_req.bRequest = VRT_GET_GPIO; /* 0x9 gpio */
1499 else
1500 ven_req.bRequest = VRT_SET_GPIO; /* 0x8 gpio */
1501 } else {
1502 if (direction)
1503 ven_req.bRequest = VRT_GET_GPIE; /* 0xb gpie */
1504 else
1505 ven_req.bRequest = VRT_SET_GPIE; /* 0xa gpie */
1506 }
1507
1508 /* set index value */
1509 ven_req.wIndex = (u16) (gpio_bit & 0xffff);
1510
1511 /* set wLength value */
1512 ven_req.wLength = len;
1513
1514 /* set bData value */
1515 ven_req.bData = 0;
1516
1517 /* set the buffer for read / write */
1518 ven_req.pBuff = gpio_val;
1519
1520 /* set the direction */
1521 if (direction) {
1522 ven_req.direction = USB_DIR_IN;
1523 memset(ven_req.pBuff, 0x00, ven_req.wLength);
1524 } else
1525 ven_req.direction = USB_DIR_OUT;
1526
1527
1528 /* call common vendor command request */
1529 status = cx231xx_send_vendor_cmd(dev, &ven_req);
1530 if (status < 0) {
1531 dev_err(dev->dev, "%s: failed with status -%d\n",
1532 __func__, status);
1533 }
1534
1535 return status;
1536 }
1537 EXPORT_SYMBOL_GPL(cx231xx_send_gpio_cmd);
1538
1539 /*****************************************************************
1540 * C O N T R O L - Register R E A D / W R I T E functions *
1541 *****************************************************************/
1542 int cx231xx_mode_register(struct cx231xx *dev, u16 address, u32 mode)
1543 {
1544 u8 value[4] = { 0x0, 0x0, 0x0, 0x0 };
1545 u32 tmp = 0;
1546 int status = 0;
1547
1548 status =
1549 cx231xx_read_ctrl_reg(dev, VRT_GET_REGISTER, address, value, 4);
1550 if (status < 0)
1551 return status;
1552
1553 tmp = le32_to_cpu(*((__le32 *) value));
1554 tmp |= mode;
1555
1556 value[0] = (u8) tmp;
1557 value[1] = (u8) (tmp >> 8);
1558 value[2] = (u8) (tmp >> 16);
1559 value[3] = (u8) (tmp >> 24);
1560
1561 status =
1562 cx231xx_write_ctrl_reg(dev, VRT_SET_REGISTER, address, value, 4);
1563
1564 return status;
1565 }
1566
1567 /*****************************************************************
1568 * I 2 C Internal C O N T R O L functions *
1569 *****************************************************************/
1570 int cx231xx_read_i2c_master(struct cx231xx *dev, u8 dev_addr, u16 saddr,
1571 u8 saddr_len, u32 *data, u8 data_len, int master)
1572 {
1573 int status = 0;
1574 struct cx231xx_i2c_xfer_data req_data;
1575 u8 value[64] = "0";
1576
1577 if (saddr_len == 0)
1578 saddr = 0;
1579 else if (saddr_len == 1)
1580 saddr &= 0xff;
1581
1582 /* prepare xfer_data struct */
1583 req_data.dev_addr = dev_addr >> 1;
1584 req_data.direction = I2C_M_RD;
1585 req_data.saddr_len = saddr_len;
1586 req_data.saddr_dat = saddr;
1587 req_data.buf_size = data_len;
1588 req_data.p_buffer = (u8 *) value;
1589
1590 /* usb send command */
1591 if (master == 0)
1592 status = dev->cx231xx_send_usb_command(&dev->i2c_bus[0],
1593 &req_data);
1594 else if (master == 1)
1595 status = dev->cx231xx_send_usb_command(&dev->i2c_bus[1],
1596 &req_data);
1597 else if (master == 2)
1598 status = dev->cx231xx_send_usb_command(&dev->i2c_bus[2],
1599 &req_data);
1600
1601 if (status >= 0) {
1602 /* Copy the data read back to main buffer */
1603 if (data_len == 1)
1604 *data = value[0];
1605 else if (data_len == 4)
1606 *data =
1607 value[0] | value[1] << 8 | value[2] << 16 | value[3]
1608 << 24;
1609 else if (data_len > 4)
1610 *data = value[saddr];
1611 }
1612
1613 return status;
1614 }
1615
1616 int cx231xx_write_i2c_master(struct cx231xx *dev, u8 dev_addr, u16 saddr,
1617 u8 saddr_len, u32 data, u8 data_len, int master)
1618 {
1619 int status = 0;
1620 u8 value[4] = { 0, 0, 0, 0 };
1621 struct cx231xx_i2c_xfer_data req_data;
1622
1623 value[0] = (u8) data;
1624 value[1] = (u8) (data >> 8);
1625 value[2] = (u8) (data >> 16);
1626 value[3] = (u8) (data >> 24);
1627
1628 if (saddr_len == 0)
1629 saddr = 0;
1630 else if (saddr_len == 1)
1631 saddr &= 0xff;
1632
1633 /* prepare xfer_data struct */
1634 req_data.dev_addr = dev_addr >> 1;
1635 req_data.direction = 0;
1636 req_data.saddr_len = saddr_len;
1637 req_data.saddr_dat = saddr;
1638 req_data.buf_size = data_len;
1639 req_data.p_buffer = value;
1640
1641 /* usb send command */
1642 if (master == 0)
1643 status = dev->cx231xx_send_usb_command(&dev->i2c_bus[0],
1644 &req_data);
1645 else if (master == 1)
1646 status = dev->cx231xx_send_usb_command(&dev->i2c_bus[1],
1647 &req_data);
1648 else if (master == 2)
1649 status = dev->cx231xx_send_usb_command(&dev->i2c_bus[2],
1650 &req_data);
1651
1652 return status;
1653 }
1654
1655 int cx231xx_read_i2c_data(struct cx231xx *dev, u8 dev_addr, u16 saddr,
1656 u8 saddr_len, u32 *data, u8 data_len)
1657 {
1658 int status = 0;
1659 struct cx231xx_i2c_xfer_data req_data;
1660 u8 value[4] = { 0, 0, 0, 0 };
1661
1662 if (saddr_len == 0)
1663 saddr = 0;
1664 else if (saddr_len == 1)
1665 saddr &= 0xff;
1666
1667 /* prepare xfer_data struct */
1668 req_data.dev_addr = dev_addr >> 1;
1669 req_data.direction = I2C_M_RD;
1670 req_data.saddr_len = saddr_len;
1671 req_data.saddr_dat = saddr;
1672 req_data.buf_size = data_len;
1673 req_data.p_buffer = (u8 *) value;
1674
1675 /* usb send command */
1676 status = dev->cx231xx_send_usb_command(&dev->i2c_bus[0], &req_data);
1677
1678 if (status >= 0) {
1679 /* Copy the data read back to main buffer */
1680 if (data_len == 1)
1681 *data = value[0];
1682 else
1683 *data =
1684 value[0] | value[1] << 8 | value[2] << 16 | value[3]
1685 << 24;
1686 }
1687
1688 return status;
1689 }
1690
1691 int cx231xx_write_i2c_data(struct cx231xx *dev, u8 dev_addr, u16 saddr,
1692 u8 saddr_len, u32 data, u8 data_len)
1693 {
1694 int status = 0;
1695 u8 value[4] = { 0, 0, 0, 0 };
1696 struct cx231xx_i2c_xfer_data req_data;
1697
1698 value[0] = (u8) data;
1699 value[1] = (u8) (data >> 8);
1700 value[2] = (u8) (data >> 16);
1701 value[3] = (u8) (data >> 24);
1702
1703 if (saddr_len == 0)
1704 saddr = 0;
1705 else if (saddr_len == 1)
1706 saddr &= 0xff;
1707
1708 /* prepare xfer_data struct */
1709 req_data.dev_addr = dev_addr >> 1;
1710 req_data.direction = 0;
1711 req_data.saddr_len = saddr_len;
1712 req_data.saddr_dat = saddr;
1713 req_data.buf_size = data_len;
1714 req_data.p_buffer = value;
1715
1716 /* usb send command */
1717 status = dev->cx231xx_send_usb_command(&dev->i2c_bus[0], &req_data);
1718
1719 return status;
1720 }
1721
1722 int cx231xx_reg_mask_write(struct cx231xx *dev, u8 dev_addr, u8 size,
1723 u16 register_address, u8 bit_start, u8 bit_end,
1724 u32 value)
1725 {
1726 int status = 0;
1727 u32 tmp;
1728 u32 mask = 0;
1729 int i;
1730
1731 if (bit_start > (size - 1) || bit_end > (size - 1))
1732 return -1;
1733
1734 if (size == 8) {
1735 status =
1736 cx231xx_read_i2c_data(dev, dev_addr, register_address, 2,
1737 &tmp, 1);
1738 } else {
1739 status =
1740 cx231xx_read_i2c_data(dev, dev_addr, register_address, 2,
1741 &tmp, 4);
1742 }
1743
1744 if (status < 0)
1745 return status;
1746
1747 mask = 1 << bit_end;
1748 for (i = bit_end; i > bit_start && i > 0; i--)
1749 mask = mask + (1 << (i - 1));
1750
1751 value <<= bit_start;
1752
1753 if (size == 8) {
1754 tmp &= ~mask;
1755 tmp |= value;
1756 tmp &= 0xff;
1757 status =
1758 cx231xx_write_i2c_data(dev, dev_addr, register_address, 2,
1759 tmp, 1);
1760 } else {
1761 tmp &= ~mask;
1762 tmp |= value;
1763 status =
1764 cx231xx_write_i2c_data(dev, dev_addr, register_address, 2,
1765 tmp, 4);
1766 }
1767
1768 return status;
1769 }
1770
1771 int cx231xx_read_modify_write_i2c_dword(struct cx231xx *dev, u8 dev_addr,
1772 u16 saddr, u32 mask, u32 value)
1773 {
1774 u32 temp;
1775 int status = 0;
1776
1777 status = cx231xx_read_i2c_data(dev, dev_addr, saddr, 2, &temp, 4);
1778
1779 if (status < 0)
1780 return status;
1781
1782 temp &= ~mask;
1783 temp |= value;
1784
1785 status = cx231xx_write_i2c_data(dev, dev_addr, saddr, 2, temp, 4);
1786
1787 return status;
1788 }
1789
1790 u32 cx231xx_set_field(u32 field_mask, u32 data)
1791 {
1792 u32 temp;
1793
1794 for (temp = field_mask; (temp & 1) == 0; temp >>= 1)
1795 data <<= 1;
1796
1797 return data;
1798 }
CRIS linux kernel tree