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 */
cx231xx_remove_from_devlist(struct cx231xx * dev)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
cx231xx_add_into_devlist(struct cx231xx * dev)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
cx231xx_register_extension(struct cx231xx_ops * ops)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
cx231xx_unregister_extension(struct cx231xx_ops * ops)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
cx231xx_init_extension(struct cx231xx * dev)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
cx231xx_close_extension(struct cx231xx * dev)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 *****************************************************************/
cx231xx_send_usb_command(struct cx231xx_i2c * i2c_bus,struct cx231xx_i2c_xfer_data * req_data)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 */
__usb_control_msg(struct cx231xx * dev,unsigned int pipe,__u8 request,__u8 requesttype,__u16 value,__u16 index,void * data,__u16 size,int timeout)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 */
cx231xx_read_ctrl_reg(struct cx231xx * dev,u8 req,u16 reg,char * buf,int len)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
cx231xx_send_vendor_cmd(struct cx231xx * dev,struct VENDOR_REQUEST_IN * ven_req)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
370 /* Internal Master 3 Bus can send
371 * and receive only 4 bytes per time
372 */
373 (ven_req->bRequest == 0x2))) {
374 unsend_size = 0;
375 pdata = ven_req->pBuff;
376
377
378 unsend_size = ven_req->wLength;
379
380 /* the first package */
381 ven_req->wValue = ven_req->wValue & 0xFFFB;
382 ven_req->wValue = (ven_req->wValue & 0xFFBD) | 0x2;
383 ret = __usb_control_msg(dev, pipe, ven_req->bRequest,
384 ven_req->direction | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
385 ven_req->wValue, ven_req->wIndex, pdata,
386 0x0004, HZ);
387 unsend_size = unsend_size - 4;
388
389 /* the middle package */
390 ven_req->wValue = (ven_req->wValue & 0xFFBD) | 0x42;
391 while (unsend_size - 4 > 0) {
392 pdata = pdata + 4;
393 ret = __usb_control_msg(dev, pipe,
394 ven_req->bRequest,
395 ven_req->direction | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
396 ven_req->wValue, ven_req->wIndex, pdata,
397 0x0004, HZ);
398 unsend_size = unsend_size - 4;
399 }
400
401 /* the last package */
402 ven_req->wValue = (ven_req->wValue & 0xFFBD) | 0x40;
403 pdata = pdata + 4;
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, pdata,
407 unsend_size, HZ);
408 } else {
409 ret = __usb_control_msg(dev, pipe, ven_req->bRequest,
410 ven_req->direction | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
411 ven_req->wValue, ven_req->wIndex,
412 ven_req->pBuff, ven_req->wLength, HZ);
413 }
414
415 return ret;
416 }
417
418 /*
419 * cx231xx_write_ctrl_reg()
420 * sends data to the usb device, specifying bRequest
421 */
cx231xx_write_ctrl_reg(struct cx231xx * dev,u8 req,u16 reg,char * buf,int len)422 int cx231xx_write_ctrl_reg(struct cx231xx *dev, u8 req, u16 reg, char *buf,
423 int len)
424 {
425 u8 val = 0;
426 int ret;
427 int pipe = usb_sndctrlpipe(dev->udev, 0);
428
429 if (dev->state & DEV_DISCONNECTED)
430 return -ENODEV;
431
432 if ((len < 1) || (len > URB_MAX_CTRL_SIZE))
433 return -EINVAL;
434
435 switch (len) {
436 case 1:
437 val = ENABLE_ONE_BYTE;
438 break;
439 case 2:
440 val = ENABLE_TWE_BYTE;
441 break;
442 case 3:
443 val = ENABLE_THREE_BYTE;
444 break;
445 case 4:
446 val = ENABLE_FOUR_BYTE;
447 break;
448 default:
449 val = 0xFF; /* invalid option */
450 }
451
452 if (val == 0xFF)
453 return -EINVAL;
454
455 if (reg_debug) {
456 int byte;
457
458 cx231xx_isocdbg("(pipe 0x%08x): "
459 "OUT: %02x %02x %02x %02x %02x %02x %02x %02x >>>",
460 pipe,
461 USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
462 req, 0, val, reg & 0xff,
463 reg >> 8, len & 0xff, len >> 8);
464
465 for (byte = 0; byte < len; byte++)
466 cx231xx_isocdbg(" %02x", (unsigned char)buf[byte]);
467 cx231xx_isocdbg("\n");
468 }
469
470 ret = __usb_control_msg(dev, pipe, req,
471 USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
472 val, reg, buf, len, HZ);
473
474 return ret;
475 }
476
477 /****************************************************************
478 * USB Alternate Setting functions *
479 *****************************************************************/
480
cx231xx_set_video_alternate(struct cx231xx * dev)481 int cx231xx_set_video_alternate(struct cx231xx *dev)
482 {
483 int errCode, prev_alt = dev->video_mode.alt;
484 unsigned int min_pkt_size = dev->width * 2 + 4;
485 u32 usb_interface_index = 0;
486
487 /* When image size is bigger than a certain value,
488 the frame size should be increased, otherwise, only
489 green screen will be received.
490 */
491 if (dev->width * 2 * dev->height > 720 * 240 * 2)
492 min_pkt_size *= 2;
493
494 if (dev->width > 360) {
495 /* resolutions: 720,704,640 */
496 dev->video_mode.alt = 3;
497 } else if (dev->width > 180) {
498 /* resolutions: 360,352,320,240 */
499 dev->video_mode.alt = 2;
500 } else if (dev->width > 0) {
501 /* resolutions: 180,176,160,128,88 */
502 dev->video_mode.alt = 1;
503 } else {
504 /* Change to alt0 BULK to release USB bandwidth */
505 dev->video_mode.alt = 0;
506 }
507
508 if (dev->USE_ISO == 0)
509 dev->video_mode.alt = 0;
510
511 cx231xx_coredbg("dev->video_mode.alt= %d\n", dev->video_mode.alt);
512
513 /* Get the correct video interface Index */
514 usb_interface_index =
515 dev->current_pcb_config.hs_config_info[0].interface_info.
516 video_index + 1;
517
518 if (dev->video_mode.alt != prev_alt) {
519 cx231xx_coredbg("minimum isoc packet size: %u (alt=%d)\n",
520 min_pkt_size, dev->video_mode.alt);
521
522 if (dev->video_mode.alt_max_pkt_size != NULL)
523 dev->video_mode.max_pkt_size =
524 dev->video_mode.alt_max_pkt_size[dev->video_mode.alt];
525 cx231xx_coredbg("setting alternate %d with wMaxPacketSize=%u\n",
526 dev->video_mode.alt,
527 dev->video_mode.max_pkt_size);
528 errCode =
529 usb_set_interface(dev->udev, usb_interface_index,
530 dev->video_mode.alt);
531 if (errCode < 0) {
532 cx231xx_errdev
533 ("cannot change alt number to %d (error=%i)\n",
534 dev->video_mode.alt, errCode);
535 return errCode;
536 }
537 }
538 return 0;
539 }
540
cx231xx_set_alt_setting(struct cx231xx * dev,u8 index,u8 alt)541 int cx231xx_set_alt_setting(struct cx231xx *dev, u8 index, u8 alt)
542 {
543 int status = 0;
544 u32 usb_interface_index = 0;
545 u32 max_pkt_size = 0;
546
547 switch (index) {
548 case INDEX_TS1:
549 usb_interface_index =
550 dev->current_pcb_config.hs_config_info[0].interface_info.
551 ts1_index + 1;
552 dev->ts1_mode.alt = alt;
553 if (dev->ts1_mode.alt_max_pkt_size != NULL)
554 max_pkt_size = dev->ts1_mode.max_pkt_size =
555 dev->ts1_mode.alt_max_pkt_size[dev->ts1_mode.alt];
556 break;
557 case INDEX_TS2:
558 usb_interface_index =
559 dev->current_pcb_config.hs_config_info[0].interface_info.
560 ts2_index + 1;
561 break;
562 case INDEX_AUDIO:
563 usb_interface_index =
564 dev->current_pcb_config.hs_config_info[0].interface_info.
565 audio_index + 1;
566 dev->adev.alt = alt;
567 if (dev->adev.alt_max_pkt_size != NULL)
568 max_pkt_size = dev->adev.max_pkt_size =
569 dev->adev.alt_max_pkt_size[dev->adev.alt];
570 break;
571 case INDEX_VIDEO:
572 usb_interface_index =
573 dev->current_pcb_config.hs_config_info[0].interface_info.
574 video_index + 1;
575 dev->video_mode.alt = alt;
576 if (dev->video_mode.alt_max_pkt_size != NULL)
577 max_pkt_size = dev->video_mode.max_pkt_size =
578 dev->video_mode.alt_max_pkt_size[dev->video_mode.
579 alt];
580 break;
581 case INDEX_VANC:
582 if (dev->board.no_alt_vanc)
583 return 0;
584 usb_interface_index =
585 dev->current_pcb_config.hs_config_info[0].interface_info.
586 vanc_index + 1;
587 dev->vbi_mode.alt = alt;
588 if (dev->vbi_mode.alt_max_pkt_size != NULL)
589 max_pkt_size = dev->vbi_mode.max_pkt_size =
590 dev->vbi_mode.alt_max_pkt_size[dev->vbi_mode.alt];
591 break;
592 case INDEX_HANC:
593 usb_interface_index =
594 dev->current_pcb_config.hs_config_info[0].interface_info.
595 hanc_index + 1;
596 dev->sliced_cc_mode.alt = alt;
597 if (dev->sliced_cc_mode.alt_max_pkt_size != NULL)
598 max_pkt_size = dev->sliced_cc_mode.max_pkt_size =
599 dev->sliced_cc_mode.alt_max_pkt_size[dev->
600 sliced_cc_mode.
601 alt];
602 break;
603 default:
604 break;
605 }
606
607 if (alt > 0 && max_pkt_size == 0) {
608 cx231xx_errdev
609 ("can't change interface %d alt no. to %d: Max. Pkt size = 0\n",
610 usb_interface_index, alt);
611 /*To workaround error number=-71 on EP0 for videograbber,
612 need add following codes.*/
613 if (dev->board.no_alt_vanc)
614 return -1;
615 }
616
617 cx231xx_coredbg("setting alternate %d with wMaxPacketSize=%u,"
618 "Interface = %d\n", alt, max_pkt_size,
619 usb_interface_index);
620
621 if (usb_interface_index > 0) {
622 status = usb_set_interface(dev->udev, usb_interface_index, alt);
623 if (status < 0) {
624 cx231xx_errdev
625 ("can't change interface %d alt no. to %d (err=%i)\n",
626 usb_interface_index, alt, status);
627 return status;
628 }
629 }
630
631 return status;
632 }
633 EXPORT_SYMBOL_GPL(cx231xx_set_alt_setting);
634
cx231xx_gpio_set(struct cx231xx * dev,struct cx231xx_reg_seq * gpio)635 int cx231xx_gpio_set(struct cx231xx *dev, struct cx231xx_reg_seq *gpio)
636 {
637 int rc = 0;
638
639 if (!gpio)
640 return rc;
641
642 /* Send GPIO reset sequences specified at board entry */
643 while (gpio->sleep >= 0) {
644 rc = cx231xx_set_gpio_value(dev, gpio->bit, gpio->val);
645 if (rc < 0)
646 return rc;
647
648 if (gpio->sleep > 0)
649 msleep(gpio->sleep);
650
651 gpio++;
652 }
653 return rc;
654 }
655
cx231xx_demod_reset(struct cx231xx * dev)656 int cx231xx_demod_reset(struct cx231xx *dev)
657 {
658
659 u8 status = 0;
660 u8 value[4] = { 0, 0, 0, 0 };
661
662 status = cx231xx_read_ctrl_reg(dev, VRT_GET_REGISTER, PWR_CTL_EN,
663 value, 4);
664
665 cx231xx_coredbg("reg0x%x=0x%x 0x%x 0x%x 0x%x\n", PWR_CTL_EN,
666 value[0], value[1], value[2], value[3]);
667
668 cx231xx_coredbg("Enter cx231xx_demod_reset()\n");
669
670 value[1] = (u8) 0x3;
671 status = cx231xx_write_ctrl_reg(dev, VRT_SET_REGISTER,
672 PWR_CTL_EN, value, 4);
673 msleep(10);
674
675 value[1] = (u8) 0x0;
676 status = cx231xx_write_ctrl_reg(dev, VRT_SET_REGISTER,
677 PWR_CTL_EN, value, 4);
678 msleep(10);
679
680 value[1] = (u8) 0x3;
681 status = cx231xx_write_ctrl_reg(dev, VRT_SET_REGISTER,
682 PWR_CTL_EN, value, 4);
683 msleep(10);
684
685
686
687 status = cx231xx_read_ctrl_reg(dev, VRT_GET_REGISTER, PWR_CTL_EN,
688 value, 4);
689
690 cx231xx_coredbg("reg0x%x=0x%x 0x%x 0x%x 0x%x\n", PWR_CTL_EN,
691 value[0], value[1], value[2], value[3]);
692
693 return status;
694 }
695 EXPORT_SYMBOL_GPL(cx231xx_demod_reset);
is_fw_load(struct cx231xx * dev)696 int is_fw_load(struct cx231xx *dev)
697 {
698 return cx231xx_check_fw(dev);
699 }
700 EXPORT_SYMBOL_GPL(is_fw_load);
701
cx231xx_set_mode(struct cx231xx * dev,enum cx231xx_mode set_mode)702 int cx231xx_set_mode(struct cx231xx *dev, enum cx231xx_mode set_mode)
703 {
704 int errCode = 0;
705
706 if (dev->mode == set_mode)
707 return 0;
708
709 if (set_mode == CX231XX_SUSPEND) {
710 /* Set the chip in power saving mode */
711 dev->mode = set_mode;
712 }
713
714 /* Resource is locked */
715 if (dev->mode != CX231XX_SUSPEND)
716 return -EINVAL;
717
718 dev->mode = set_mode;
719
720 if (dev->mode == CX231XX_DIGITAL_MODE)/* Set Digital power mode */ {
721 /* set AGC mode to Digital */
722 switch (dev->model) {
723 case CX231XX_BOARD_CNXT_CARRAERA:
724 case CX231XX_BOARD_CNXT_RDE_250:
725 case CX231XX_BOARD_CNXT_SHELBY:
726 case CX231XX_BOARD_CNXT_RDU_250:
727 errCode = cx231xx_set_agc_analog_digital_mux_select(dev, 0);
728 break;
729 case CX231XX_BOARD_CNXT_RDE_253S:
730 case CX231XX_BOARD_CNXT_RDU_253S:
731 errCode = cx231xx_set_agc_analog_digital_mux_select(dev, 1);
732 break;
733 case CX231XX_BOARD_HAUPPAUGE_EXETER:
734 case CX231XX_BOARD_HAUPPAUGE_930C_HD_1113xx:
735 errCode = cx231xx_set_power_mode(dev,
736 POLARIS_AVMODE_DIGITAL);
737 break;
738 default:
739 break;
740 }
741 } else/* Set Analog Power mode */ {
742 /* set AGC mode to Analog */
743 switch (dev->model) {
744 case CX231XX_BOARD_CNXT_CARRAERA:
745 case CX231XX_BOARD_CNXT_RDE_250:
746 case CX231XX_BOARD_CNXT_SHELBY:
747 case CX231XX_BOARD_CNXT_RDU_250:
748 errCode = cx231xx_set_agc_analog_digital_mux_select(dev, 1);
749 break;
750 case CX231XX_BOARD_CNXT_RDE_253S:
751 case CX231XX_BOARD_CNXT_RDU_253S:
752 case CX231XX_BOARD_HAUPPAUGE_EXETER:
753 case CX231XX_BOARD_HAUPPAUGE_930C_HD_1113xx:
754 case CX231XX_BOARD_PV_PLAYTV_USB_HYBRID:
755 case CX231XX_BOARD_HAUPPAUGE_USB2_FM_PAL:
756 case CX231XX_BOARD_HAUPPAUGE_USB2_FM_NTSC:
757 errCode = cx231xx_set_agc_analog_digital_mux_select(dev, 0);
758 break;
759 default:
760 break;
761 }
762 }
763
764 return errCode ? -EINVAL : 0;
765 }
766 EXPORT_SYMBOL_GPL(cx231xx_set_mode);
767
cx231xx_ep5_bulkout(struct cx231xx * dev,u8 * firmware,u16 size)768 int cx231xx_ep5_bulkout(struct cx231xx *dev, u8 *firmware, u16 size)
769 {
770 int errCode = 0;
771 int actlen, ret = -ENOMEM;
772 u32 *buffer;
773
774 buffer = kzalloc(4096, GFP_KERNEL);
775 if (buffer == NULL) {
776 cx231xx_info("out of mem\n");
777 return -ENOMEM;
778 }
779 memcpy(&buffer[0], firmware, 4096);
780
781 ret = usb_bulk_msg(dev->udev, usb_sndbulkpipe(dev->udev, 5),
782 buffer, 4096, &actlen, 2000);
783
784 if (ret)
785 cx231xx_info("bulk message failed: %d (%d/%d)", ret,
786 size, actlen);
787 else {
788 errCode = actlen != size ? -1 : 0;
789 }
790 kfree(buffer);
791 return errCode;
792 }
793
794 /*****************************************************************
795 * URB Streaming functions *
796 ******************************************************************/
797
798 /*
799 * IRQ callback, called by URB callback
800 */
cx231xx_isoc_irq_callback(struct urb * urb)801 static void cx231xx_isoc_irq_callback(struct urb *urb)
802 {
803 struct cx231xx_dmaqueue *dma_q = urb->context;
804 struct cx231xx_video_mode *vmode =
805 container_of(dma_q, struct cx231xx_video_mode, vidq);
806 struct cx231xx *dev = container_of(vmode, struct cx231xx, video_mode);
807 int i;
808
809 switch (urb->status) {
810 case 0: /* success */
811 case -ETIMEDOUT: /* NAK */
812 break;
813 case -ECONNRESET: /* kill */
814 case -ENOENT:
815 case -ESHUTDOWN:
816 return;
817 default: /* error */
818 cx231xx_isocdbg("urb completition error %d.\n", urb->status);
819 break;
820 }
821
822 /* Copy data from URB */
823 spin_lock(&dev->video_mode.slock);
824 dev->video_mode.isoc_ctl.isoc_copy(dev, urb);
825 spin_unlock(&dev->video_mode.slock);
826
827 /* Reset urb buffers */
828 for (i = 0; i < urb->number_of_packets; i++) {
829 urb->iso_frame_desc[i].status = 0;
830 urb->iso_frame_desc[i].actual_length = 0;
831 }
832
833 urb->status = usb_submit_urb(urb, GFP_ATOMIC);
834 if (urb->status) {
835 cx231xx_isocdbg("urb resubmit failed (error=%i)\n",
836 urb->status);
837 }
838 }
839 /*****************************************************************
840 * URB Streaming functions *
841 ******************************************************************/
842
843 /*
844 * IRQ callback, called by URB callback
845 */
cx231xx_bulk_irq_callback(struct urb * urb)846 static void cx231xx_bulk_irq_callback(struct urb *urb)
847 {
848 struct cx231xx_dmaqueue *dma_q = urb->context;
849 struct cx231xx_video_mode *vmode =
850 container_of(dma_q, struct cx231xx_video_mode, vidq);
851 struct cx231xx *dev = container_of(vmode, struct cx231xx, video_mode);
852
853 switch (urb->status) {
854 case 0: /* success */
855 case -ETIMEDOUT: /* NAK */
856 break;
857 case -ECONNRESET: /* kill */
858 case -ENOENT:
859 case -ESHUTDOWN:
860 return;
861 default: /* error */
862 cx231xx_isocdbg("urb completition error %d.\n", urb->status);
863 break;
864 }
865
866 /* Copy data from URB */
867 spin_lock(&dev->video_mode.slock);
868 dev->video_mode.bulk_ctl.bulk_copy(dev, urb);
869 spin_unlock(&dev->video_mode.slock);
870
871 /* Reset urb buffers */
872 urb->status = usb_submit_urb(urb, GFP_ATOMIC);
873 if (urb->status) {
874 cx231xx_isocdbg("urb resubmit failed (error=%i)\n",
875 urb->status);
876 }
877 }
878 /*
879 * Stop and Deallocate URBs
880 */
cx231xx_uninit_isoc(struct cx231xx * dev)881 void cx231xx_uninit_isoc(struct cx231xx *dev)
882 {
883 struct cx231xx_dmaqueue *dma_q = &dev->video_mode.vidq;
884 struct urb *urb;
885 int i;
886
887 cx231xx_isocdbg("cx231xx: called cx231xx_uninit_isoc\n");
888
889 dev->video_mode.isoc_ctl.nfields = -1;
890 for (i = 0; i < dev->video_mode.isoc_ctl.num_bufs; i++) {
891 urb = dev->video_mode.isoc_ctl.urb[i];
892 if (urb) {
893 if (!irqs_disabled())
894 usb_kill_urb(urb);
895 else
896 usb_unlink_urb(urb);
897
898 if (dev->video_mode.isoc_ctl.transfer_buffer[i]) {
899 usb_free_coherent(dev->udev,
900 urb->transfer_buffer_length,
901 dev->video_mode.isoc_ctl.
902 transfer_buffer[i],
903 urb->transfer_dma);
904 }
905 usb_free_urb(urb);
906 dev->video_mode.isoc_ctl.urb[i] = NULL;
907 }
908 dev->video_mode.isoc_ctl.transfer_buffer[i] = NULL;
909 }
910
911 kfree(dev->video_mode.isoc_ctl.urb);
912 kfree(dev->video_mode.isoc_ctl.transfer_buffer);
913 kfree(dma_q->p_left_data);
914
915 dev->video_mode.isoc_ctl.urb = NULL;
916 dev->video_mode.isoc_ctl.transfer_buffer = NULL;
917 dev->video_mode.isoc_ctl.num_bufs = 0;
918 dma_q->p_left_data = NULL;
919
920 if (dev->mode_tv == 0)
921 cx231xx_capture_start(dev, 0, Raw_Video);
922 else
923 cx231xx_capture_start(dev, 0, TS1_serial_mode);
924
925
926 }
927 EXPORT_SYMBOL_GPL(cx231xx_uninit_isoc);
928
929 /*
930 * Stop and Deallocate URBs
931 */
cx231xx_uninit_bulk(struct cx231xx * dev)932 void cx231xx_uninit_bulk(struct cx231xx *dev)
933 {
934 struct urb *urb;
935 int i;
936
937 cx231xx_isocdbg("cx231xx: called cx231xx_uninit_bulk\n");
938
939 dev->video_mode.bulk_ctl.nfields = -1;
940 for (i = 0; i < dev->video_mode.bulk_ctl.num_bufs; i++) {
941 urb = dev->video_mode.bulk_ctl.urb[i];
942 if (urb) {
943 if (!irqs_disabled())
944 usb_kill_urb(urb);
945 else
946 usb_unlink_urb(urb);
947
948 if (dev->video_mode.bulk_ctl.transfer_buffer[i]) {
949 usb_free_coherent(dev->udev,
950 urb->transfer_buffer_length,
951 dev->video_mode.isoc_ctl.
952 transfer_buffer[i],
953 urb->transfer_dma);
954 }
955 usb_free_urb(urb);
956 dev->video_mode.bulk_ctl.urb[i] = NULL;
957 }
958 dev->video_mode.bulk_ctl.transfer_buffer[i] = NULL;
959 }
960
961 kfree(dev->video_mode.bulk_ctl.urb);
962 kfree(dev->video_mode.bulk_ctl.transfer_buffer);
963
964 dev->video_mode.bulk_ctl.urb = NULL;
965 dev->video_mode.bulk_ctl.transfer_buffer = NULL;
966 dev->video_mode.bulk_ctl.num_bufs = 0;
967
968 if (dev->mode_tv == 0)
969 cx231xx_capture_start(dev, 0, Raw_Video);
970 else
971 cx231xx_capture_start(dev, 0, TS1_serial_mode);
972
973
974 }
975 EXPORT_SYMBOL_GPL(cx231xx_uninit_bulk);
976
977 /*
978 * Allocate URBs and start IRQ
979 */
cx231xx_init_isoc(struct cx231xx * dev,int max_packets,int num_bufs,int max_pkt_size,int (* isoc_copy)(struct cx231xx * dev,struct urb * urb))980 int cx231xx_init_isoc(struct cx231xx *dev, int max_packets,
981 int num_bufs, int max_pkt_size,
982 int (*isoc_copy) (struct cx231xx *dev, struct urb *urb))
983 {
984 struct cx231xx_dmaqueue *dma_q = &dev->video_mode.vidq;
985 int i;
986 int sb_size, pipe;
987 struct urb *urb;
988 int j, k;
989 int rc;
990
991 /* De-allocates all pending stuff */
992 cx231xx_uninit_isoc(dev);
993
994 dma_q->p_left_data = kzalloc(4096, GFP_KERNEL);
995 if (dma_q->p_left_data == NULL) {
996 cx231xx_info("out of mem\n");
997 return -ENOMEM;
998 }
999
1000
1001
1002 dev->video_mode.isoc_ctl.isoc_copy = isoc_copy;
1003 dev->video_mode.isoc_ctl.num_bufs = num_bufs;
1004 dma_q->pos = 0;
1005 dma_q->is_partial_line = 0;
1006 dma_q->last_sav = 0;
1007 dma_q->current_field = -1;
1008 dma_q->field1_done = 0;
1009 dma_q->lines_per_field = dev->height / 2;
1010 dma_q->bytes_left_in_line = dev->width << 1;
1011 dma_q->lines_completed = 0;
1012 dma_q->mpeg_buffer_done = 0;
1013 dma_q->left_data_count = 0;
1014 dma_q->mpeg_buffer_completed = 0;
1015 dma_q->add_ps_package_head = CX231XX_NEED_ADD_PS_PACKAGE_HEAD;
1016 dma_q->ps_head[0] = 0x00;
1017 dma_q->ps_head[1] = 0x00;
1018 dma_q->ps_head[2] = 0x01;
1019 dma_q->ps_head[3] = 0xBA;
1020 for (i = 0; i < 8; i++)
1021 dma_q->partial_buf[i] = 0;
1022
1023 dev->video_mode.isoc_ctl.urb =
1024 kzalloc(sizeof(void *) * num_bufs, GFP_KERNEL);
1025 if (!dev->video_mode.isoc_ctl.urb) {
1026 cx231xx_errdev("cannot alloc memory for usb buffers\n");
1027 return -ENOMEM;
1028 }
1029
1030 dev->video_mode.isoc_ctl.transfer_buffer =
1031 kzalloc(sizeof(void *) * num_bufs, GFP_KERNEL);
1032 if (!dev->video_mode.isoc_ctl.transfer_buffer) {
1033 cx231xx_errdev("cannot allocate memory for usbtransfer\n");
1034 kfree(dev->video_mode.isoc_ctl.urb);
1035 return -ENOMEM;
1036 }
1037
1038 dev->video_mode.isoc_ctl.max_pkt_size = max_pkt_size;
1039 dev->video_mode.isoc_ctl.buf = NULL;
1040
1041 sb_size = max_packets * dev->video_mode.isoc_ctl.max_pkt_size;
1042
1043 if (dev->mode_tv == 1)
1044 dev->video_mode.end_point_addr = 0x81;
1045 else
1046 dev->video_mode.end_point_addr = 0x84;
1047
1048
1049 /* allocate urbs and transfer buffers */
1050 for (i = 0; i < dev->video_mode.isoc_ctl.num_bufs; i++) {
1051 urb = usb_alloc_urb(max_packets, GFP_KERNEL);
1052 if (!urb) {
1053 cx231xx_err("cannot alloc isoc_ctl.urb %i\n", i);
1054 cx231xx_uninit_isoc(dev);
1055 return -ENOMEM;
1056 }
1057 dev->video_mode.isoc_ctl.urb[i] = urb;
1058
1059 dev->video_mode.isoc_ctl.transfer_buffer[i] =
1060 usb_alloc_coherent(dev->udev, sb_size, GFP_KERNEL,
1061 &urb->transfer_dma);
1062 if (!dev->video_mode.isoc_ctl.transfer_buffer[i]) {
1063 cx231xx_err("unable to allocate %i bytes for transfer"
1064 " buffer %i%s\n",
1065 sb_size, i,
1066 in_interrupt() ? " while in int" : "");
1067 cx231xx_uninit_isoc(dev);
1068 return -ENOMEM;
1069 }
1070 memset(dev->video_mode.isoc_ctl.transfer_buffer[i], 0, sb_size);
1071
1072 pipe =
1073 usb_rcvisocpipe(dev->udev, dev->video_mode.end_point_addr);
1074
1075 usb_fill_int_urb(urb, dev->udev, pipe,
1076 dev->video_mode.isoc_ctl.transfer_buffer[i],
1077 sb_size, cx231xx_isoc_irq_callback, dma_q, 1);
1078
1079 urb->number_of_packets = max_packets;
1080 urb->transfer_flags = URB_ISO_ASAP | URB_NO_TRANSFER_DMA_MAP;
1081
1082 k = 0;
1083 for (j = 0; j < max_packets; j++) {
1084 urb->iso_frame_desc[j].offset = k;
1085 urb->iso_frame_desc[j].length =
1086 dev->video_mode.isoc_ctl.max_pkt_size;
1087 k += dev->video_mode.isoc_ctl.max_pkt_size;
1088 }
1089 }
1090
1091 init_waitqueue_head(&dma_q->wq);
1092
1093 /* submit urbs and enables IRQ */
1094 for (i = 0; i < dev->video_mode.isoc_ctl.num_bufs; i++) {
1095 rc = usb_submit_urb(dev->video_mode.isoc_ctl.urb[i],
1096 GFP_ATOMIC);
1097 if (rc) {
1098 cx231xx_err("submit of urb %i failed (error=%i)\n", i,
1099 rc);
1100 cx231xx_uninit_isoc(dev);
1101 return rc;
1102 }
1103 }
1104
1105 if (dev->mode_tv == 0)
1106 cx231xx_capture_start(dev, 1, Raw_Video);
1107 else
1108 cx231xx_capture_start(dev, 1, TS1_serial_mode);
1109
1110 return 0;
1111 }
1112 EXPORT_SYMBOL_GPL(cx231xx_init_isoc);
1113
1114 /*
1115 * Allocate URBs and start IRQ
1116 */
cx231xx_init_bulk(struct cx231xx * dev,int max_packets,int num_bufs,int max_pkt_size,int (* bulk_copy)(struct cx231xx * dev,struct urb * urb))1117 int cx231xx_init_bulk(struct cx231xx *dev, int max_packets,
1118 int num_bufs, int max_pkt_size,
1119 int (*bulk_copy) (struct cx231xx *dev, struct urb *urb))
1120 {
1121 struct cx231xx_dmaqueue *dma_q = &dev->video_mode.vidq;
1122 int i;
1123 int sb_size, pipe;
1124 struct urb *urb;
1125 int rc;
1126
1127 dev->video_input = dev->video_input > 2 ? 2 : dev->video_input;
1128
1129 cx231xx_coredbg("Setting Video mux to %d\n", dev->video_input);
1130
1131 video_mux(dev, dev->video_input);
1132
1133 /* De-allocates all pending stuff */
1134 cx231xx_uninit_bulk(dev);
1135
1136 dev->video_mode.bulk_ctl.bulk_copy = bulk_copy;
1137 dev->video_mode.bulk_ctl.num_bufs = num_bufs;
1138 dma_q->pos = 0;
1139 dma_q->is_partial_line = 0;
1140 dma_q->last_sav = 0;
1141 dma_q->current_field = -1;
1142 dma_q->field1_done = 0;
1143 dma_q->lines_per_field = dev->height / 2;
1144 dma_q->bytes_left_in_line = dev->width << 1;
1145 dma_q->lines_completed = 0;
1146 dma_q->mpeg_buffer_done = 0;
1147 dma_q->left_data_count = 0;
1148 dma_q->mpeg_buffer_completed = 0;
1149 dma_q->ps_head[0] = 0x00;
1150 dma_q->ps_head[1] = 0x00;
1151 dma_q->ps_head[2] = 0x01;
1152 dma_q->ps_head[3] = 0xBA;
1153 for (i = 0; i < 8; i++)
1154 dma_q->partial_buf[i] = 0;
1155
1156 dev->video_mode.bulk_ctl.urb =
1157 kzalloc(sizeof(void *) * num_bufs, GFP_KERNEL);
1158 if (!dev->video_mode.bulk_ctl.urb) {
1159 cx231xx_errdev("cannot alloc memory for usb buffers\n");
1160 return -ENOMEM;
1161 }
1162
1163 dev->video_mode.bulk_ctl.transfer_buffer =
1164 kzalloc(sizeof(void *) * num_bufs, GFP_KERNEL);
1165 if (!dev->video_mode.bulk_ctl.transfer_buffer) {
1166 cx231xx_errdev("cannot allocate memory for usbtransfer\n");
1167 kfree(dev->video_mode.bulk_ctl.urb);
1168 return -ENOMEM;
1169 }
1170
1171 dev->video_mode.bulk_ctl.max_pkt_size = max_pkt_size;
1172 dev->video_mode.bulk_ctl.buf = NULL;
1173
1174 sb_size = max_packets * dev->video_mode.bulk_ctl.max_pkt_size;
1175
1176 if (dev->mode_tv == 1)
1177 dev->video_mode.end_point_addr = 0x81;
1178 else
1179 dev->video_mode.end_point_addr = 0x84;
1180
1181
1182 /* allocate urbs and transfer buffers */
1183 for (i = 0; i < dev->video_mode.bulk_ctl.num_bufs; i++) {
1184 urb = usb_alloc_urb(0, GFP_KERNEL);
1185 if (!urb) {
1186 cx231xx_err("cannot alloc bulk_ctl.urb %i\n", i);
1187 cx231xx_uninit_bulk(dev);
1188 return -ENOMEM;
1189 }
1190 dev->video_mode.bulk_ctl.urb[i] = urb;
1191 urb->transfer_flags = URB_NO_TRANSFER_DMA_MAP;
1192
1193 dev->video_mode.bulk_ctl.transfer_buffer[i] =
1194 usb_alloc_coherent(dev->udev, sb_size, GFP_KERNEL,
1195 &urb->transfer_dma);
1196 if (!dev->video_mode.bulk_ctl.transfer_buffer[i]) {
1197 cx231xx_err("unable to allocate %i bytes for transfer"
1198 " buffer %i%s\n",
1199 sb_size, i,
1200 in_interrupt() ? " while in int" : "");
1201 cx231xx_uninit_bulk(dev);
1202 return -ENOMEM;
1203 }
1204 memset(dev->video_mode.bulk_ctl.transfer_buffer[i], 0, sb_size);
1205
1206 pipe = usb_rcvbulkpipe(dev->udev,
1207 dev->video_mode.end_point_addr);
1208 usb_fill_bulk_urb(urb, dev->udev, pipe,
1209 dev->video_mode.bulk_ctl.transfer_buffer[i],
1210 sb_size, cx231xx_bulk_irq_callback, dma_q);
1211 }
1212
1213 init_waitqueue_head(&dma_q->wq);
1214
1215 /* submit urbs and enables IRQ */
1216 for (i = 0; i < dev->video_mode.bulk_ctl.num_bufs; i++) {
1217 rc = usb_submit_urb(dev->video_mode.bulk_ctl.urb[i],
1218 GFP_ATOMIC);
1219 if (rc) {
1220 cx231xx_err("submit of urb %i failed (error=%i)\n", i,
1221 rc);
1222 cx231xx_uninit_bulk(dev);
1223 return rc;
1224 }
1225 }
1226
1227 if (dev->mode_tv == 0)
1228 cx231xx_capture_start(dev, 1, Raw_Video);
1229 else
1230 cx231xx_capture_start(dev, 1, TS1_serial_mode);
1231
1232 return 0;
1233 }
1234 EXPORT_SYMBOL_GPL(cx231xx_init_bulk);
cx231xx_stop_TS1(struct cx231xx * dev)1235 void cx231xx_stop_TS1(struct cx231xx *dev)
1236 {
1237 u8 val[4] = { 0, 0, 0, 0 };
1238
1239 val[0] = 0x00;
1240 val[1] = 0x03;
1241 val[2] = 0x00;
1242 val[3] = 0x00;
1243 cx231xx_write_ctrl_reg(dev, VRT_SET_REGISTER,
1244 TS_MODE_REG, val, 4);
1245
1246 val[0] = 0x00;
1247 val[1] = 0x70;
1248 val[2] = 0x04;
1249 val[3] = 0x00;
1250 cx231xx_write_ctrl_reg(dev, VRT_SET_REGISTER,
1251 TS1_CFG_REG, val, 4);
1252 }
1253 /* EXPORT_SYMBOL_GPL(cx231xx_stop_TS1); */
cx231xx_start_TS1(struct cx231xx * dev)1254 void cx231xx_start_TS1(struct cx231xx *dev)
1255 {
1256 u8 val[4] = { 0, 0, 0, 0 };
1257
1258 val[0] = 0x03;
1259 val[1] = 0x03;
1260 val[2] = 0x00;
1261 val[3] = 0x00;
1262 cx231xx_write_ctrl_reg(dev, VRT_SET_REGISTER,
1263 TS_MODE_REG, val, 4);
1264
1265 val[0] = 0x04;
1266 val[1] = 0xA3;
1267 val[2] = 0x3B;
1268 val[3] = 0x00;
1269 cx231xx_write_ctrl_reg(dev, VRT_SET_REGISTER,
1270 TS1_CFG_REG, val, 4);
1271 }
1272 /* EXPORT_SYMBOL_GPL(cx231xx_start_TS1); */
1273 /*****************************************************************
1274 * Device Init/UnInit functions *
1275 ******************************************************************/
cx231xx_dev_init(struct cx231xx * dev)1276 int cx231xx_dev_init(struct cx231xx *dev)
1277 {
1278 int errCode = 0;
1279
1280 /* Initialize I2C bus */
1281
1282 /* External Master 1 Bus */
1283 dev->i2c_bus[0].nr = 0;
1284 dev->i2c_bus[0].dev = dev;
1285 dev->i2c_bus[0].i2c_period = I2C_SPEED_100K; /* 100 KHz */
1286 dev->i2c_bus[0].i2c_nostop = 0;
1287 dev->i2c_bus[0].i2c_reserve = 0;
1288
1289 /* External Master 2 Bus */
1290 dev->i2c_bus[1].nr = 1;
1291 dev->i2c_bus[1].dev = dev;
1292 dev->i2c_bus[1].i2c_period = I2C_SPEED_100K; /* 100 KHz */
1293 dev->i2c_bus[1].i2c_nostop = 0;
1294 dev->i2c_bus[1].i2c_reserve = 0;
1295
1296 /* Internal Master 3 Bus */
1297 dev->i2c_bus[2].nr = 2;
1298 dev->i2c_bus[2].dev = dev;
1299 dev->i2c_bus[2].i2c_period = I2C_SPEED_100K; /* 100kHz */
1300 dev->i2c_bus[2].i2c_nostop = 0;
1301 dev->i2c_bus[2].i2c_reserve = 0;
1302
1303 /* register I2C buses */
1304 cx231xx_i2c_register(&dev->i2c_bus[0]);
1305 cx231xx_i2c_register(&dev->i2c_bus[1]);
1306 cx231xx_i2c_register(&dev->i2c_bus[2]);
1307
1308 /* init hardware */
1309 /* Note : with out calling set power mode function,
1310 afe can not be set up correctly */
1311 if (dev->board.external_av) {
1312 errCode = cx231xx_set_power_mode(dev,
1313 POLARIS_AVMODE_ENXTERNAL_AV);
1314 if (errCode < 0) {
1315 cx231xx_errdev
1316 ("%s: Failed to set Power - errCode [%d]!\n",
1317 __func__, errCode);
1318 return errCode;
1319 }
1320 } else {
1321 errCode = cx231xx_set_power_mode(dev,
1322 POLARIS_AVMODE_ANALOGT_TV);
1323 if (errCode < 0) {
1324 cx231xx_errdev
1325 ("%s: Failed to set Power - errCode [%d]!\n",
1326 __func__, errCode);
1327 return errCode;
1328 }
1329 }
1330
1331 /* reset the Tuner, if it is a Xceive tuner */
1332 if ((dev->board.tuner_type == TUNER_XC5000) ||
1333 (dev->board.tuner_type == TUNER_XC2028))
1334 cx231xx_gpio_set(dev, dev->board.tuner_gpio);
1335
1336 /* initialize Colibri block */
1337 errCode = cx231xx_afe_init_super_block(dev, 0x23c);
1338 if (errCode < 0) {
1339 cx231xx_errdev
1340 ("%s: cx231xx_afe init super block - errCode [%d]!\n",
1341 __func__, errCode);
1342 return errCode;
1343 }
1344 errCode = cx231xx_afe_init_channels(dev);
1345 if (errCode < 0) {
1346 cx231xx_errdev
1347 ("%s: cx231xx_afe init channels - errCode [%d]!\n",
1348 __func__, errCode);
1349 return errCode;
1350 }
1351
1352 /* Set DIF in By pass mode */
1353 errCode = cx231xx_dif_set_standard(dev, DIF_USE_BASEBAND);
1354 if (errCode < 0) {
1355 cx231xx_errdev
1356 ("%s: cx231xx_dif set to By pass mode - errCode [%d]!\n",
1357 __func__, errCode);
1358 return errCode;
1359 }
1360
1361 /* I2S block related functions */
1362 errCode = cx231xx_i2s_blk_initialize(dev);
1363 if (errCode < 0) {
1364 cx231xx_errdev
1365 ("%s: cx231xx_i2s block initialize - errCode [%d]!\n",
1366 __func__, errCode);
1367 return errCode;
1368 }
1369
1370 /* init control pins */
1371 errCode = cx231xx_init_ctrl_pin_status(dev);
1372 if (errCode < 0) {
1373 cx231xx_errdev("%s: cx231xx_init ctrl pins - errCode [%d]!\n",
1374 __func__, errCode);
1375 return errCode;
1376 }
1377
1378 /* set AGC mode to Analog */
1379 switch (dev->model) {
1380 case CX231XX_BOARD_CNXT_CARRAERA:
1381 case CX231XX_BOARD_CNXT_RDE_250:
1382 case CX231XX_BOARD_CNXT_SHELBY:
1383 case CX231XX_BOARD_CNXT_RDU_250:
1384 errCode = cx231xx_set_agc_analog_digital_mux_select(dev, 1);
1385 break;
1386 case CX231XX_BOARD_CNXT_RDE_253S:
1387 case CX231XX_BOARD_CNXT_RDU_253S:
1388 case CX231XX_BOARD_HAUPPAUGE_EXETER:
1389 case CX231XX_BOARD_HAUPPAUGE_930C_HD_1113xx:
1390 case CX231XX_BOARD_PV_PLAYTV_USB_HYBRID:
1391 case CX231XX_BOARD_HAUPPAUGE_USB2_FM_PAL:
1392 case CX231XX_BOARD_HAUPPAUGE_USB2_FM_NTSC:
1393 errCode = cx231xx_set_agc_analog_digital_mux_select(dev, 0);
1394 break;
1395 default:
1396 break;
1397 }
1398 if (errCode < 0) {
1399 cx231xx_errdev
1400 ("%s: cx231xx_AGC mode to Analog - errCode [%d]!\n",
1401 __func__, errCode);
1402 return errCode;
1403 }
1404
1405 /* set all alternate settings to zero initially */
1406 cx231xx_set_alt_setting(dev, INDEX_VIDEO, 0);
1407 cx231xx_set_alt_setting(dev, INDEX_VANC, 0);
1408 cx231xx_set_alt_setting(dev, INDEX_HANC, 0);
1409 if (dev->board.has_dvb)
1410 cx231xx_set_alt_setting(dev, INDEX_TS1, 0);
1411
1412 /* set the I2C master port to 3 on channel 1 */
1413 errCode = cx231xx_enable_i2c_port_3(dev, true);
1414
1415 return errCode;
1416 }
1417 EXPORT_SYMBOL_GPL(cx231xx_dev_init);
1418
cx231xx_dev_uninit(struct cx231xx * dev)1419 void cx231xx_dev_uninit(struct cx231xx *dev)
1420 {
1421 /* Un Initialize I2C bus */
1422 cx231xx_i2c_unregister(&dev->i2c_bus[2]);
1423 cx231xx_i2c_unregister(&dev->i2c_bus[1]);
1424 cx231xx_i2c_unregister(&dev->i2c_bus[0]);
1425 }
1426 EXPORT_SYMBOL_GPL(cx231xx_dev_uninit);
1427
1428 /*****************************************************************
1429 * G P I O related functions *
1430 ******************************************************************/
cx231xx_send_gpio_cmd(struct cx231xx * dev,u32 gpio_bit,u8 * gpio_val,u8 len,u8 request,u8 direction)1431 int cx231xx_send_gpio_cmd(struct cx231xx *dev, u32 gpio_bit, u8 *gpio_val,
1432 u8 len, u8 request, u8 direction)
1433 {
1434 int status = 0;
1435 struct VENDOR_REQUEST_IN ven_req;
1436
1437 /* Set wValue */
1438 ven_req.wValue = (u16) (gpio_bit >> 16 & 0xffff);
1439
1440 /* set request */
1441 if (!request) {
1442 if (direction)
1443 ven_req.bRequest = VRT_GET_GPIO; /* 0x8 gpio */
1444 else
1445 ven_req.bRequest = VRT_SET_GPIO; /* 0x9 gpio */
1446 } else {
1447 if (direction)
1448 ven_req.bRequest = VRT_GET_GPIE; /* 0xa gpie */
1449 else
1450 ven_req.bRequest = VRT_SET_GPIE; /* 0xb gpie */
1451 }
1452
1453 /* set index value */
1454 ven_req.wIndex = (u16) (gpio_bit & 0xffff);
1455
1456 /* set wLength value */
1457 ven_req.wLength = len;
1458
1459 /* set bData value */
1460 ven_req.bData = 0;
1461
1462 /* set the buffer for read / write */
1463 ven_req.pBuff = gpio_val;
1464
1465 /* set the direction */
1466 if (direction) {
1467 ven_req.direction = USB_DIR_IN;
1468 memset(ven_req.pBuff, 0x00, ven_req.wLength);
1469 } else
1470 ven_req.direction = USB_DIR_OUT;
1471
1472
1473 /* call common vendor command request */
1474 status = cx231xx_send_vendor_cmd(dev, &ven_req);
1475 if (status < 0) {
1476 cx231xx_info
1477 ("UsbInterface::sendCommand, failed with status -%d\n",
1478 status);
1479 }
1480
1481 return status;
1482 }
1483 EXPORT_SYMBOL_GPL(cx231xx_send_gpio_cmd);
1484
1485 /*****************************************************************
1486 * C O N T R O L - Register R E A D / W R I T E functions *
1487 *****************************************************************/
cx231xx_mode_register(struct cx231xx * dev,u16 address,u32 mode)1488 int cx231xx_mode_register(struct cx231xx *dev, u16 address, u32 mode)
1489 {
1490 u8 value[4] = { 0x0, 0x0, 0x0, 0x0 };
1491 u32 tmp = 0;
1492 int status = 0;
1493
1494 status =
1495 cx231xx_read_ctrl_reg(dev, VRT_GET_REGISTER, address, value, 4);
1496 if (status < 0)
1497 return status;
1498
1499 tmp = le32_to_cpu(*((__le32 *) value));
1500 tmp |= mode;
1501
1502 value[0] = (u8) tmp;
1503 value[1] = (u8) (tmp >> 8);
1504 value[2] = (u8) (tmp >> 16);
1505 value[3] = (u8) (tmp >> 24);
1506
1507 status =
1508 cx231xx_write_ctrl_reg(dev, VRT_SET_REGISTER, address, value, 4);
1509
1510 return status;
1511 }
1512
1513 /*****************************************************************
1514 * I 2 C Internal C O N T R O L functions *
1515 *****************************************************************/
cx231xx_read_i2c_master(struct cx231xx * dev,u8 dev_addr,u16 saddr,u8 saddr_len,u32 * data,u8 data_len,int master)1516 int cx231xx_read_i2c_master(struct cx231xx *dev, u8 dev_addr, u16 saddr,
1517 u8 saddr_len, u32 *data, u8 data_len, int master)
1518 {
1519 int status = 0;
1520 struct cx231xx_i2c_xfer_data req_data;
1521 u8 value[64] = "0";
1522
1523 if (saddr_len == 0)
1524 saddr = 0;
1525 else if (saddr_len == 1)
1526 saddr &= 0xff;
1527
1528 /* prepare xfer_data struct */
1529 req_data.dev_addr = dev_addr >> 1;
1530 req_data.direction = I2C_M_RD;
1531 req_data.saddr_len = saddr_len;
1532 req_data.saddr_dat = saddr;
1533 req_data.buf_size = data_len;
1534 req_data.p_buffer = (u8 *) value;
1535
1536 /* usb send command */
1537 if (master == 0)
1538 status = dev->cx231xx_send_usb_command(&dev->i2c_bus[0],
1539 &req_data);
1540 else if (master == 1)
1541 status = dev->cx231xx_send_usb_command(&dev->i2c_bus[1],
1542 &req_data);
1543 else if (master == 2)
1544 status = dev->cx231xx_send_usb_command(&dev->i2c_bus[2],
1545 &req_data);
1546
1547 if (status >= 0) {
1548 /* Copy the data read back to main buffer */
1549 if (data_len == 1)
1550 *data = value[0];
1551 else if (data_len == 4)
1552 *data =
1553 value[0] | value[1] << 8 | value[2] << 16 | value[3]
1554 << 24;
1555 else if (data_len > 4)
1556 *data = value[saddr];
1557 }
1558
1559 return status;
1560 }
1561
cx231xx_write_i2c_master(struct cx231xx * dev,u8 dev_addr,u16 saddr,u8 saddr_len,u32 data,u8 data_len,int master)1562 int cx231xx_write_i2c_master(struct cx231xx *dev, u8 dev_addr, u16 saddr,
1563 u8 saddr_len, u32 data, u8 data_len, int master)
1564 {
1565 int status = 0;
1566 u8 value[4] = { 0, 0, 0, 0 };
1567 struct cx231xx_i2c_xfer_data req_data;
1568
1569 value[0] = (u8) data;
1570 value[1] = (u8) (data >> 8);
1571 value[2] = (u8) (data >> 16);
1572 value[3] = (u8) (data >> 24);
1573
1574 if (saddr_len == 0)
1575 saddr = 0;
1576 else if (saddr_len == 1)
1577 saddr &= 0xff;
1578
1579 /* prepare xfer_data struct */
1580 req_data.dev_addr = dev_addr >> 1;
1581 req_data.direction = 0;
1582 req_data.saddr_len = saddr_len;
1583 req_data.saddr_dat = saddr;
1584 req_data.buf_size = data_len;
1585 req_data.p_buffer = value;
1586
1587 /* usb send command */
1588 if (master == 0)
1589 status = dev->cx231xx_send_usb_command(&dev->i2c_bus[0],
1590 &req_data);
1591 else if (master == 1)
1592 status = dev->cx231xx_send_usb_command(&dev->i2c_bus[1],
1593 &req_data);
1594 else if (master == 2)
1595 status = dev->cx231xx_send_usb_command(&dev->i2c_bus[2],
1596 &req_data);
1597
1598 return status;
1599 }
1600
cx231xx_read_i2c_data(struct cx231xx * dev,u8 dev_addr,u16 saddr,u8 saddr_len,u32 * data,u8 data_len)1601 int cx231xx_read_i2c_data(struct cx231xx *dev, u8 dev_addr, u16 saddr,
1602 u8 saddr_len, u32 *data, u8 data_len)
1603 {
1604 int status = 0;
1605 struct cx231xx_i2c_xfer_data req_data;
1606 u8 value[4] = { 0, 0, 0, 0 };
1607
1608 if (saddr_len == 0)
1609 saddr = 0;
1610 else if (saddr_len == 1)
1611 saddr &= 0xff;
1612
1613 /* prepare xfer_data struct */
1614 req_data.dev_addr = dev_addr >> 1;
1615 req_data.direction = I2C_M_RD;
1616 req_data.saddr_len = saddr_len;
1617 req_data.saddr_dat = saddr;
1618 req_data.buf_size = data_len;
1619 req_data.p_buffer = (u8 *) value;
1620
1621 /* usb send command */
1622 status = dev->cx231xx_send_usb_command(&dev->i2c_bus[0], &req_data);
1623
1624 if (status >= 0) {
1625 /* Copy the data read back to main buffer */
1626 if (data_len == 1)
1627 *data = value[0];
1628 else
1629 *data =
1630 value[0] | value[1] << 8 | value[2] << 16 | value[3]
1631 << 24;
1632 }
1633
1634 return status;
1635 }
1636
cx231xx_write_i2c_data(struct cx231xx * dev,u8 dev_addr,u16 saddr,u8 saddr_len,u32 data,u8 data_len)1637 int cx231xx_write_i2c_data(struct cx231xx *dev, u8 dev_addr, u16 saddr,
1638 u8 saddr_len, u32 data, u8 data_len)
1639 {
1640 int status = 0;
1641 u8 value[4] = { 0, 0, 0, 0 };
1642 struct cx231xx_i2c_xfer_data req_data;
1643
1644 value[0] = (u8) data;
1645 value[1] = (u8) (data >> 8);
1646 value[2] = (u8) (data >> 16);
1647 value[3] = (u8) (data >> 24);
1648
1649 if (saddr_len == 0)
1650 saddr = 0;
1651 else if (saddr_len == 1)
1652 saddr &= 0xff;
1653
1654 /* prepare xfer_data struct */
1655 req_data.dev_addr = dev_addr >> 1;
1656 req_data.direction = 0;
1657 req_data.saddr_len = saddr_len;
1658 req_data.saddr_dat = saddr;
1659 req_data.buf_size = data_len;
1660 req_data.p_buffer = value;
1661
1662 /* usb send command */
1663 status = dev->cx231xx_send_usb_command(&dev->i2c_bus[0], &req_data);
1664
1665 return status;
1666 }
1667
cx231xx_reg_mask_write(struct cx231xx * dev,u8 dev_addr,u8 size,u16 register_address,u8 bit_start,u8 bit_end,u32 value)1668 int cx231xx_reg_mask_write(struct cx231xx *dev, u8 dev_addr, u8 size,
1669 u16 register_address, u8 bit_start, u8 bit_end,
1670 u32 value)
1671 {
1672 int status = 0;
1673 u32 tmp;
1674 u32 mask = 0;
1675 int i;
1676
1677 if (bit_start > (size - 1) || bit_end > (size - 1))
1678 return -1;
1679
1680 if (size == 8) {
1681 status =
1682 cx231xx_read_i2c_data(dev, dev_addr, register_address, 2,
1683 &tmp, 1);
1684 } else {
1685 status =
1686 cx231xx_read_i2c_data(dev, dev_addr, register_address, 2,
1687 &tmp, 4);
1688 }
1689
1690 if (status < 0)
1691 return status;
1692
1693 mask = 1 << bit_end;
1694 for (i = bit_end; i > bit_start && i > 0; i--)
1695 mask = mask + (1 << (i - 1));
1696
1697 value <<= bit_start;
1698
1699 if (size == 8) {
1700 tmp &= ~mask;
1701 tmp |= value;
1702 tmp &= 0xff;
1703 status =
1704 cx231xx_write_i2c_data(dev, dev_addr, register_address, 2,
1705 tmp, 1);
1706 } else {
1707 tmp &= ~mask;
1708 tmp |= value;
1709 status =
1710 cx231xx_write_i2c_data(dev, dev_addr, register_address, 2,
1711 tmp, 4);
1712 }
1713
1714 return status;
1715 }
1716
cx231xx_read_modify_write_i2c_dword(struct cx231xx * dev,u8 dev_addr,u16 saddr,u32 mask,u32 value)1717 int cx231xx_read_modify_write_i2c_dword(struct cx231xx *dev, u8 dev_addr,
1718 u16 saddr, u32 mask, u32 value)
1719 {
1720 u32 temp;
1721 int status = 0;
1722
1723 status = cx231xx_read_i2c_data(dev, dev_addr, saddr, 2, &temp, 4);
1724
1725 if (status < 0)
1726 return status;
1727
1728 temp &= ~mask;
1729 temp |= value;
1730
1731 status = cx231xx_write_i2c_data(dev, dev_addr, saddr, 2, temp, 4);
1732
1733 return status;
1734 }
1735
cx231xx_set_field(u32 field_mask,u32 data)1736 u32 cx231xx_set_field(u32 field_mask, u32 data)
1737 {
1738 u32 temp;
1739
1740 for (temp = field_mask; (temp & 1) == 0; temp >>= 1)
1741 data <<= 1;
1742
1743 return data;
1744 }
1745