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[ARM] pxa: Gumstix Verdex PCMCIA support
[linux-2.6/verdex.git] / drivers / media / dvb / siano / smsusb.c
blobcb8a358b7310d35417413a5300f62ad6a4065cff
1 /****************************************************************
2
3 Siano Mobile Silicon, Inc.
4 MDTV receiver kernel modules.
5 Copyright (C) 2005-2009, Uri Shkolnik, Anatoly Greenblat
6
7 This program is free software: you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation, either version 2 of the License, or
10 (at your option) any later version.
11
12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
16
17 You should have received a copy of the GNU General Public License
18 along with this program. If not, see <http://www.gnu.org/licenses/>.
19
20 ****************************************************************/
21
22 #include <linux/kernel.h>
23 #include <linux/init.h>
24 #include <linux/usb.h>
25 #include <linux/firmware.h>
26
27 #include "smscoreapi.h"
28 #include "sms-cards.h"
29 #include "smsendian.h"
30
31 static int sms_dbg;
32 module_param_named(debug, sms_dbg, int, 0644);
33 MODULE_PARM_DESC(debug, "set debug level (info=1, adv=2 (or-able))");
34
35 #define USB1_BUFFER_SIZE 0x1000
36 #define USB2_BUFFER_SIZE 0x4000
37
38 #define MAX_BUFFERS 50
39 #define MAX_URBS 10
40
41 struct smsusb_device_t;
42
43 struct smsusb_urb_t {
44 struct smscore_buffer_t *cb;
45 struct smsusb_device_t *dev;
46
47 struct urb urb;
48 };
49
50 struct smsusb_device_t {
51 struct usb_device *udev;
52 struct smscore_device_t *coredev;
53
54 struct smsusb_urb_t surbs[MAX_URBS];
55
56 int response_alignment;
57 int buffer_size;
58 };
59
60 static int smsusb_submit_urb(struct smsusb_device_t *dev,
61 struct smsusb_urb_t *surb);
62
63 static void smsusb_onresponse(struct urb *urb)
64 {
65 struct smsusb_urb_t *surb = (struct smsusb_urb_t *) urb->context;
66 struct smsusb_device_t *dev = surb->dev;
67
68 if (urb->status == -ESHUTDOWN) {
69 sms_err("error, urb status %d (-ESHUTDOWN), %d bytes",
70 urb->status, urb->actual_length);
71 return;
72 }
73
74 if ((urb->actual_length > 0) && (urb->status == 0)) {
75 struct SmsMsgHdr_ST *phdr = (struct SmsMsgHdr_ST *)surb->cb->p;
76
77 smsendian_handle_message_header(phdr);
78 if (urb->actual_length >= phdr->msgLength) {
79 surb->cb->size = phdr->msgLength;
80
81 if (dev->response_alignment &&
82 (phdr->msgFlags & MSG_HDR_FLAG_SPLIT_MSG)) {
83
84 surb->cb->offset =
85 dev->response_alignment +
86 ((phdr->msgFlags >> 8) & 3);
87
88 /* sanity check */
89 if (((int) phdr->msgLength +
90 surb->cb->offset) > urb->actual_length) {
91 sms_err("invalid response "
92 "msglen %d offset %d "
93 "size %d",
94 phdr->msgLength,
95 surb->cb->offset,
96 urb->actual_length);
97 goto exit_and_resubmit;
98 }
99
100 /* move buffer pointer and
101 * copy header to its new location */
102 memcpy((char *) phdr + surb->cb->offset,
103 phdr, sizeof(struct SmsMsgHdr_ST));
104 } else
105 surb->cb->offset = 0;
106
107 smscore_onresponse(dev->coredev, surb->cb);
108 surb->cb = NULL;
109 } else {
110 sms_err("invalid response "
111 "msglen %d actual %d",
112 phdr->msgLength, urb->actual_length);
113 }
114 } else
115 sms_err("error, urb status %d, %d bytes",
116 urb->status, urb->actual_length);
117
118
119 exit_and_resubmit:
120 smsusb_submit_urb(dev, surb);
121 }
122
123 static int smsusb_submit_urb(struct smsusb_device_t *dev,
124 struct smsusb_urb_t *surb)
125 {
126 if (!surb->cb) {
127 surb->cb = smscore_getbuffer(dev->coredev);
128 if (!surb->cb) {
129 sms_err("smscore_getbuffer(...) returned NULL");
130 return -ENOMEM;
131 }
132 }
133
134 usb_fill_bulk_urb(
135 &surb->urb,
136 dev->udev,
137 usb_rcvbulkpipe(dev->udev, 0x81),
138 surb->cb->p,
139 dev->buffer_size,
140 smsusb_onresponse,
141 surb
142 );
143 surb->urb.transfer_dma = surb->cb->phys;
144 surb->urb.transfer_flags |= URB_NO_TRANSFER_DMA_MAP;
145
146 return usb_submit_urb(&surb->urb, GFP_ATOMIC);
147 }
148
149 static void smsusb_stop_streaming(struct smsusb_device_t *dev)
150 {
151 int i;
152
153 for (i = 0; i < MAX_URBS; i++) {
154 usb_kill_urb(&dev->surbs[i].urb);
155
156 if (dev->surbs[i].cb) {
157 smscore_putbuffer(dev->coredev, dev->surbs[i].cb);
158 dev->surbs[i].cb = NULL;
159 }
160 }
161 }
162
163 static int smsusb_start_streaming(struct smsusb_device_t *dev)
164 {
165 int i, rc;
166
167 for (i = 0; i < MAX_URBS; i++) {
168 rc = smsusb_submit_urb(dev, &dev->surbs[i]);
169 if (rc < 0) {
170 sms_err("smsusb_submit_urb(...) failed");
171 smsusb_stop_streaming(dev);
172 break;
173 }
174 }
175
176 return rc;
177 }
178
179 static int smsusb_sendrequest(void *context, void *buffer, size_t size)
180 {
181 struct smsusb_device_t *dev = (struct smsusb_device_t *) context;
182 int dummy;
183
184 smsendian_handle_message_header((struct SmsMsgHdr_ST *)buffer);
185 return usb_bulk_msg(dev->udev, usb_sndbulkpipe(dev->udev, 2),
186 buffer, size, &dummy, 1000);
187 }
188
189 static char *smsusb1_fw_lkup[] = {
190 "dvbt_stellar_usb.inp",
191 "dvbh_stellar_usb.inp",
192 "tdmb_stellar_usb.inp",
193 "none",
194 "dvbt_bda_stellar_usb.inp",
195 };
196
197 static inline char *sms_get_fw_name(int mode, int board_id)
198 {
199 char **fw = sms_get_board(board_id)->fw;
200 return (fw && fw[mode]) ? fw[mode] : smsusb1_fw_lkup[mode];
201 }
202
203 static int smsusb1_load_firmware(struct usb_device *udev, int id, int board_id)
204 {
205 const struct firmware *fw;
206 u8 *fw_buffer;
207 int rc, dummy;
208 char *fw_filename;
209
210 if (id < DEVICE_MODE_DVBT || id > DEVICE_MODE_DVBT_BDA) {
211 sms_err("invalid firmware id specified %d", id);
212 return -EINVAL;
213 }
214
215 fw_filename = sms_get_fw_name(id, board_id);
216
217 rc = request_firmware(&fw, fw_filename, &udev->dev);
218 if (rc < 0) {
219 sms_warn("failed to open \"%s\" mode %d, "
220 "trying again with default firmware", fw_filename, id);
221
222 fw_filename = smsusb1_fw_lkup[id];
223 rc = request_firmware(&fw, fw_filename, &udev->dev);
224 if (rc < 0) {
225 sms_warn("failed to open \"%s\" mode %d",
226 fw_filename, id);
227
228 return rc;
229 }
230 }
231
232 fw_buffer = kmalloc(fw->size, GFP_KERNEL);
233 if (fw_buffer) {
234 memcpy(fw_buffer, fw->data, fw->size);
235
236 rc = usb_bulk_msg(udev, usb_sndbulkpipe(udev, 2),
237 fw_buffer, fw->size, &dummy, 1000);
238
239 sms_info("sent %zd(%d) bytes, rc %d", fw->size, dummy, rc);
240
241 kfree(fw_buffer);
242 } else {
243 sms_err("failed to allocate firmware buffer");
244 rc = -ENOMEM;
245 }
246 sms_info("read FW %s, size=%zd", fw_filename, fw->size);
247
248 release_firmware(fw);
249
250 return rc;
251 }
252
253 static void smsusb1_detectmode(void *context, int *mode)
254 {
255 char *product_string =
256 ((struct smsusb_device_t *) context)->udev->product;
257
258 *mode = DEVICE_MODE_NONE;
259
260 if (!product_string) {
261 product_string = "none";
262 sms_err("product string not found");
263 } else if (strstr(product_string, "DVBH"))
264 *mode = 1;
265 else if (strstr(product_string, "BDA"))
266 *mode = 4;
267 else if (strstr(product_string, "DVBT"))
268 *mode = 0;
269 else if (strstr(product_string, "TDMB"))
270 *mode = 2;
271
272 sms_info("%d \"%s\"", *mode, product_string);
273 }
274
275 static int smsusb1_setmode(void *context, int mode)
276 {
277 struct SmsMsgHdr_ST Msg = { MSG_SW_RELOAD_REQ, 0, HIF_TASK,
278 sizeof(struct SmsMsgHdr_ST), 0 };
279
280 if (mode < DEVICE_MODE_DVBT || mode > DEVICE_MODE_DVBT_BDA) {
281 sms_err("invalid firmware id specified %d", mode);
282 return -EINVAL;
283 }
284
285 return smsusb_sendrequest(context, &Msg, sizeof(Msg));
286 }
287
288 static void smsusb_term_device(struct usb_interface *intf)
289 {
290 struct smsusb_device_t *dev =
291 (struct smsusb_device_t *) usb_get_intfdata(intf);
292
293 if (dev) {
294 smsusb_stop_streaming(dev);
295
296 /* unregister from smscore */
297 if (dev->coredev)
298 smscore_unregister_device(dev->coredev);
299
300 kfree(dev);
301
302 sms_info("device %p destroyed", dev);
303 }
304
305 usb_set_intfdata(intf, NULL);
306 }
307
308 static int smsusb_init_device(struct usb_interface *intf, int board_id)
309 {
310 struct smsdevice_params_t params;
311 struct smsusb_device_t *dev;
312 int i, rc;
313
314 /* create device object */
315 dev = kzalloc(sizeof(struct smsusb_device_t), GFP_KERNEL);
316 if (!dev) {
317 sms_err("kzalloc(sizeof(struct smsusb_device_t) failed");
318 return -ENOMEM;
319 }
320
321 memset(&params, 0, sizeof(params));
322 usb_set_intfdata(intf, dev);
323 dev->udev = interface_to_usbdev(intf);
324
325 params.device_type = sms_get_board(board_id)->type;
326
327 switch (params.device_type) {
328 case SMS_STELLAR:
329 dev->buffer_size = USB1_BUFFER_SIZE;
330
331 params.setmode_handler = smsusb1_setmode;
332 params.detectmode_handler = smsusb1_detectmode;
333 break;
334 default:
335 sms_err("Unspecified sms device type!");
336 /* fall-thru */
337 case SMS_NOVA_A0:
338 case SMS_NOVA_B0:
339 case SMS_VEGA:
340 dev->buffer_size = USB2_BUFFER_SIZE;
341 dev->response_alignment =
342 le16_to_cpu(dev->udev->ep_in[1]->desc.wMaxPacketSize) -
343 sizeof(struct SmsMsgHdr_ST);
344
345 params.flags |= SMS_DEVICE_FAMILY2;
346 break;
347 }
348
349 params.device = &dev->udev->dev;
350 params.buffer_size = dev->buffer_size;
351 params.num_buffers = MAX_BUFFERS;
352 params.sendrequest_handler = smsusb_sendrequest;
353 params.context = dev;
354 snprintf(params.devpath, sizeof(params.devpath),
355 "usb\\%d-%s", dev->udev->bus->busnum, dev->udev->devpath);
356
357 /* register in smscore */
358 rc = smscore_register_device(&params, &dev->coredev);
359 if (rc < 0) {
360 sms_err("smscore_register_device(...) failed, rc %d", rc);
361 smsusb_term_device(intf);
362 return rc;
363 }
364
365 smscore_set_board_id(dev->coredev, board_id);
366
367 /* initialize urbs */
368 for (i = 0; i < MAX_URBS; i++) {
369 dev->surbs[i].dev = dev;
370 usb_init_urb(&dev->surbs[i].urb);
371 }
372
373 sms_info("smsusb_start_streaming(...).");
374 rc = smsusb_start_streaming(dev);
375 if (rc < 0) {
376 sms_err("smsusb_start_streaming(...) failed");
377 smsusb_term_device(intf);
378 return rc;
379 }
380
381 rc = smscore_start_device(dev->coredev);
382 if (rc < 0) {
383 sms_err("smscore_start_device(...) failed");
384 smsusb_term_device(intf);
385 return rc;
386 }
387
388 sms_info("device %p created", dev);
389
390 return rc;
391 }
392
393 static int smsusb_probe(struct usb_interface *intf,
394 const struct usb_device_id *id)
395 {
396 struct usb_device *udev = interface_to_usbdev(intf);
397 char devpath[32];
398 int i, rc;
399
400 rc = usb_clear_halt(udev, usb_rcvbulkpipe(udev, 0x81));
401 rc = usb_clear_halt(udev, usb_rcvbulkpipe(udev, 0x02));
402
403 if (intf->num_altsetting > 0) {
404 rc = usb_set_interface(
405 udev, intf->cur_altsetting->desc.bInterfaceNumber, 0);
406 if (rc < 0) {
407 sms_err("usb_set_interface failed, rc %d", rc);
408 return rc;
409 }
410 }
411
412 sms_info("smsusb_probe %d",
413 intf->cur_altsetting->desc.bInterfaceNumber);
414 for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++)
415 sms_info("endpoint %d %02x %02x %d", i,
416 intf->cur_altsetting->endpoint[i].desc.bEndpointAddress,
417 intf->cur_altsetting->endpoint[i].desc.bmAttributes,
418 intf->cur_altsetting->endpoint[i].desc.wMaxPacketSize);
419
420 if ((udev->actconfig->desc.bNumInterfaces == 2) &&
421 (intf->cur_altsetting->desc.bInterfaceNumber == 0)) {
422 sms_err("rom interface 0 is not used");
423 return -ENODEV;
424 }
425
426 if (intf->cur_altsetting->desc.bInterfaceNumber == 1) {
427 snprintf(devpath, sizeof(devpath), "usb\\%d-%s",
428 udev->bus->busnum, udev->devpath);
429 sms_info("stellar device was found.");
430 return smsusb1_load_firmware(
431 udev, smscore_registry_getmode(devpath),
432 id->driver_info);
433 }
434
435 rc = smsusb_init_device(intf, id->driver_info);
436 sms_info("rc %d", rc);
437 sms_board_load_modules(id->driver_info);
438 return rc;
439 }
440
441 static void smsusb_disconnect(struct usb_interface *intf)
442 {
443 smsusb_term_device(intf);
444 }
445
446 static int smsusb_suspend(struct usb_interface *intf, pm_message_t msg)
447 {
448 struct smsusb_device_t *dev =
449 (struct smsusb_device_t *)usb_get_intfdata(intf);
450 printk(KERN_INFO "%s: Entering status %d.\n", __func__, msg.event);
451 smsusb_stop_streaming(dev);
452 return 0;
453 }
454
455 static int smsusb_resume(struct usb_interface *intf)
456 {
457 int rc, i;
458 struct smsusb_device_t *dev =
459 (struct smsusb_device_t *)usb_get_intfdata(intf);
460 struct usb_device *udev = interface_to_usbdev(intf);
461
462 printk(KERN_INFO "%s: Entering.\n", __func__);
463 usb_clear_halt(udev, usb_rcvbulkpipe(udev, 0x81));
464 usb_clear_halt(udev, usb_rcvbulkpipe(udev, 0x02));
465
466 for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++)
467 printk(KERN_INFO "endpoint %d %02x %02x %d\n", i,
468 intf->cur_altsetting->endpoint[i].desc.bEndpointAddress,
469 intf->cur_altsetting->endpoint[i].desc.bmAttributes,
470 intf->cur_altsetting->endpoint[i].desc.wMaxPacketSize);
471
472 if (intf->num_altsetting > 0) {
473 rc = usb_set_interface(udev,
474 intf->cur_altsetting->desc.
475 bInterfaceNumber, 0);
476 if (rc < 0) {
477 printk(KERN_INFO "%s usb_set_interface failed, "
478 "rc %d\n", __func__, rc);
479 return rc;
480 }
481 }
482
483 smsusb_start_streaming(dev);
484 return 0;
485 }
486
487 struct usb_device_id smsusb_id_table[] = {
488 { USB_DEVICE(0x187f, 0x0010),
489 .driver_info = SMS1XXX_BOARD_SIANO_STELLAR },
490 { USB_DEVICE(0x187f, 0x0100),
491 .driver_info = SMS1XXX_BOARD_SIANO_STELLAR },
492 { USB_DEVICE(0x187f, 0x0200),
493 .driver_info = SMS1XXX_BOARD_SIANO_NOVA_A },
494 { USB_DEVICE(0x187f, 0x0201),
495 .driver_info = SMS1XXX_BOARD_SIANO_NOVA_B },
496 { USB_DEVICE(0x187f, 0x0300),
497 .driver_info = SMS1XXX_BOARD_SIANO_VEGA },
498 { USB_DEVICE(0x2040, 0x1700),
499 .driver_info = SMS1XXX_BOARD_HAUPPAUGE_CATAMOUNT },
500 { USB_DEVICE(0x2040, 0x1800),
501 .driver_info = SMS1XXX_BOARD_HAUPPAUGE_OKEMO_A },
502 { USB_DEVICE(0x2040, 0x1801),
503 .driver_info = SMS1XXX_BOARD_HAUPPAUGE_OKEMO_B },
504 { USB_DEVICE(0x2040, 0x2000),
505 .driver_info = SMS1XXX_BOARD_HAUPPAUGE_TIGER_MINICARD },
506 { USB_DEVICE(0x2040, 0x2009),
507 .driver_info = SMS1XXX_BOARD_HAUPPAUGE_TIGER_MINICARD_R2 },
508 { USB_DEVICE(0x2040, 0x200a),
509 .driver_info = SMS1XXX_BOARD_HAUPPAUGE_TIGER_MINICARD },
510 { USB_DEVICE(0x2040, 0x2010),
511 .driver_info = SMS1XXX_BOARD_HAUPPAUGE_TIGER_MINICARD },
512 { USB_DEVICE(0x2040, 0x2011),
513 .driver_info = SMS1XXX_BOARD_HAUPPAUGE_TIGER_MINICARD },
514 { USB_DEVICE(0x2040, 0x2019),
515 .driver_info = SMS1XXX_BOARD_HAUPPAUGE_TIGER_MINICARD },
516 { USB_DEVICE(0x2040, 0x5500),
517 .driver_info = SMS1XXX_BOARD_HAUPPAUGE_WINDHAM },
518 { USB_DEVICE(0x2040, 0x5510),
519 .driver_info = SMS1XXX_BOARD_HAUPPAUGE_WINDHAM },
520 { USB_DEVICE(0x2040, 0x5520),
521 .driver_info = SMS1XXX_BOARD_HAUPPAUGE_WINDHAM },
522 { USB_DEVICE(0x2040, 0x5530),
523 .driver_info = SMS1XXX_BOARD_HAUPPAUGE_WINDHAM },
524 { USB_DEVICE(0x2040, 0x5580),
525 .driver_info = SMS1XXX_BOARD_HAUPPAUGE_WINDHAM },
526 { USB_DEVICE(0x2040, 0x5590),
527 .driver_info = SMS1XXX_BOARD_HAUPPAUGE_WINDHAM },
528 { USB_DEVICE(0x187f, 0x0202),
529 .driver_info = SMS1XXX_BOARD_SIANO_NICE },
530 { USB_DEVICE(0x187f, 0x0301),
531 .driver_info = SMS1XXX_BOARD_SIANO_VENICE },
532 { } /* Terminating entry */
533 };
534
535 MODULE_DEVICE_TABLE(usb, smsusb_id_table);
536
537 static struct usb_driver smsusb_driver = {
538 .name = "smsusb",
539 .probe = smsusb_probe,
540 .disconnect = smsusb_disconnect,
541 .id_table = smsusb_id_table,
542
543 .suspend = smsusb_suspend,
544 .resume = smsusb_resume,
545 };
546
547 int smsusb_module_init(void)
548 {
549 int rc = usb_register(&smsusb_driver);
550 if (rc)
551 sms_err("usb_register failed. Error number %d", rc);
552
553 sms_debug("");
554
555 return rc;
556 }
557
558 void smsusb_module_exit(void)
559 {
560 /* Regular USB Cleanup */
561 usb_deregister(&smsusb_driver);
562 sms_info("end");
563 }
564
565 module_init(smsusb_module_init);
566 module_exit(smsusb_module_exit);
567
568 MODULE_DESCRIPTION("Driver for the Siano SMS1xxx USB dongle");
569 MODULE_AUTHOR("Siano Mobile Silicon, INC. (uris@siano-ms.com)");
570 MODULE_LICENSE("GPL");
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