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-rw-r--r--drivers/media/dvb/siano/smsusb.c582
1 files changed, 582 insertions, 0 deletions
diff --git a/drivers/media/dvb/siano/smsusb.c b/drivers/media/dvb/siano/smsusb.c
new file mode 100644
index 00000000000..0c8164a2cc3
--- /dev/null
+++ b/drivers/media/dvb/siano/smsusb.c
@@ -0,0 +1,582 @@
1/****************************************************************
2
3Siano Mobile Silicon, Inc.
4MDTV receiver kernel modules.
5Copyright (C) 2005-2009, Uri Shkolnik, Anatoly Greenblat
6
7This program is free software: you can redistribute it and/or modify
8it under the terms of the GNU General Public License as published by
9the 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,
13but WITHOUT ANY WARRANTY; without even the implied warranty of
14MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15GNU General Public License for more details.
16
17You should have received a copy of the GNU General Public License
18along 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#include <linux/slab.h>
27
28#include "smscoreapi.h"
29#include "sms-cards.h"
30#include "smsendian.h"
31
32static int sms_dbg;
33module_param_named(debug, sms_dbg, int, 0644);
34MODULE_PARM_DESC(debug, "set debug level (info=1, adv=2 (or-able))");
35
36#define USB1_BUFFER_SIZE 0x1000
37#define USB2_BUFFER_SIZE 0x4000
38
39#define MAX_BUFFERS 50
40#define MAX_URBS 10
41
42struct smsusb_device_t;
43
44struct smsusb_urb_t {
45 struct smscore_buffer_t *cb;
46 struct smsusb_device_t *dev;
47
48 struct urb urb;
49};
50
51struct smsusb_device_t {
52 struct usb_device *udev;
53 struct smscore_device_t *coredev;
54
55 struct smsusb_urb_t surbs[MAX_URBS];
56
57 int response_alignment;
58 int buffer_size;
59};
60
61static int smsusb_submit_urb(struct smsusb_device_t *dev,
62 struct smsusb_urb_t *surb);
63
64static void smsusb_onresponse(struct urb *urb)
65{
66 struct smsusb_urb_t *surb = (struct smsusb_urb_t *) urb->context;
67 struct smsusb_device_t *dev = surb->dev;
68
69 if (urb->status == -ESHUTDOWN) {
70 sms_err("error, urb status %d (-ESHUTDOWN), %d bytes",
71 urb->status, urb->actual_length);
72 return;
73 }
74
75 if ((urb->actual_length > 0) && (urb->status == 0)) {
76 struct SmsMsgHdr_ST *phdr = (struct SmsMsgHdr_ST *)surb->cb->p;
77
78 smsendian_handle_message_header(phdr);
79 if (urb->actual_length >= phdr->msgLength) {
80 surb->cb->size = phdr->msgLength;
81
82 if (dev->response_alignment &&
83 (phdr->msgFlags & MSG_HDR_FLAG_SPLIT_MSG)) {
84
85 surb->cb->offset =
86 dev->response_alignment +
87 ((phdr->msgFlags >> 8) & 3);
88
89 /* sanity check */
90 if (((int) phdr->msgLength +
91 surb->cb->offset) > urb->actual_length) {
92 sms_err("invalid response "
93 "msglen %d offset %d "
94 "size %d",
95 phdr->msgLength,
96 surb->cb->offset,
97 urb->actual_length);
98 goto exit_and_resubmit;
99 }
100
101 /* move buffer pointer and
102 * copy header to its new location */
103 memcpy((char *) phdr + surb->cb->offset,
104 phdr, sizeof(struct SmsMsgHdr_ST));
105 } else
106 surb->cb->offset = 0;
107
108 smscore_onresponse(dev->coredev, surb->cb);
109 surb->cb = NULL;
110 } else {
111 sms_err("invalid response "
112 "msglen %d actual %d",
113 phdr->msgLength, urb->actual_length);
114 }
115 } else
116 sms_err("error, urb status %d, %d bytes",
117 urb->status, urb->actual_length);
118
119
120exit_and_resubmit:
121 smsusb_submit_urb(dev, surb);
122}
123
124static int smsusb_submit_urb(struct smsusb_device_t *dev,
125 struct smsusb_urb_t *surb)
126{
127 if (!surb->cb) {
128 surb->cb = smscore_getbuffer(dev->coredev);
129 if (!surb->cb) {
130 sms_err("smscore_getbuffer(...) returned NULL");
131 return -ENOMEM;
132 }
133 }
134
135 usb_fill_bulk_urb(
136 &surb->urb,
137 dev->udev,
138 usb_rcvbulkpipe(dev->udev, 0x81),
139 surb->cb->p,
140 dev->buffer_size,
141 smsusb_onresponse,
142 surb
143 );
144 surb->urb.transfer_dma = surb->cb->phys;
145 surb->urb.transfer_flags |= URB_NO_TRANSFER_DMA_MAP;
146
147 return usb_submit_urb(&surb->urb, GFP_ATOMIC);
148}
149
150static void smsusb_stop_streaming(struct smsusb_device_t *dev)
151{
152 int i;
153
154 for (i = 0; i < MAX_URBS; i++) {
155 usb_kill_urb(&dev->surbs[i].urb);
156
157 if (dev->surbs[i].cb) {
158 smscore_putbuffer(dev->coredev, dev->surbs[i].cb);
159 dev->surbs[i].cb = NULL;
160 }
161 }
162}
163
164static int smsusb_start_streaming(struct smsusb_device_t *dev)
165{
166 int i, rc;
167
168 for (i = 0; i < MAX_URBS; i++) {
169 rc = smsusb_submit_urb(dev, &dev->surbs[i]);
170 if (rc < 0) {
171 sms_err("smsusb_submit_urb(...) failed");
172 smsusb_stop_streaming(dev);
173 break;
174 }
175 }
176
177 return rc;
178}
179
180static int smsusb_sendrequest(void *context, void *buffer, size_t size)
181{
182 struct smsusb_device_t *dev = (struct smsusb_device_t *) context;
183 int dummy;
184
185 smsendian_handle_message_header((struct SmsMsgHdr_ST *)buffer);
186 return usb_bulk_msg(dev->udev, usb_sndbulkpipe(dev->udev, 2),
187 buffer, size, &dummy, 1000);
188}
189
190static char *smsusb1_fw_lkup[] = {
191 "dvbt_stellar_usb.inp",
192 "dvbh_stellar_usb.inp",
193 "tdmb_stellar_usb.inp",
194 "none",
195 "dvbt_bda_stellar_usb.inp",
196};
197
198static inline char *sms_get_fw_name(int mode, int board_id)
199{
200 char **fw = sms_get_board(board_id)->fw;
201 return (fw && fw[mode]) ? fw[mode] : smsusb1_fw_lkup[mode];
202}
203
204static int smsusb1_load_firmware(struct usb_device *udev, int id, int board_id)
205{
206 const struct firmware *fw;
207 u8 *fw_buffer;
208 int rc, dummy;
209 char *fw_filename;
210
211 if (id < DEVICE_MODE_DVBT || id > DEVICE_MODE_DVBT_BDA) {
212 sms_err("invalid firmware id specified %d", id);
213 return -EINVAL;
214 }
215
216 fw_filename = sms_get_fw_name(id, board_id);
217
218 rc = request_firmware(&fw, fw_filename, &udev->dev);
219 if (rc < 0) {
220 sms_warn("failed to open \"%s\" mode %d, "
221 "trying again with default firmware", fw_filename, id);
222
223 fw_filename = smsusb1_fw_lkup[id];
224 rc = request_firmware(&fw, fw_filename, &udev->dev);
225 if (rc < 0) {
226 sms_warn("failed to open \"%s\" mode %d",
227 fw_filename, id);
228
229 return rc;
230 }
231 }
232
233 fw_buffer = kmalloc(fw->size, GFP_KERNEL);
234 if (fw_buffer) {
235 memcpy(fw_buffer, fw->data, fw->size);
236
237 rc = usb_bulk_msg(udev, usb_sndbulkpipe(udev, 2),
238 fw_buffer, fw->size, &dummy, 1000);
239
240 sms_info("sent %zd(%d) bytes, rc %d", fw->size, dummy, rc);
241
242 kfree(fw_buffer);
243 } else {
244 sms_err("failed to allocate firmware buffer");
245 rc = -ENOMEM;
246 }
247 sms_info("read FW %s, size=%zd", fw_filename, fw->size);
248
249 release_firmware(fw);
250
251 return rc;
252}
253
254static void smsusb1_detectmode(void *context, int *mode)
255{
256 char *product_string =
257 ((struct smsusb_device_t *) context)->udev->product;
258
259 *mode = DEVICE_MODE_NONE;
260
261 if (!product_string) {
262 product_string = "none";
263 sms_err("product string not found");
264 } else if (strstr(product_string, "DVBH"))
265 *mode = 1;
266 else if (strstr(product_string, "BDA"))
267 *mode = 4;
268 else if (strstr(product_string, "DVBT"))
269 *mode = 0;
270 else if (strstr(product_string, "TDMB"))
271 *mode = 2;
272
273 sms_info("%d \"%s\"", *mode, product_string);
274}
275
276static int smsusb1_setmode(void *context, int mode)
277{
278 struct SmsMsgHdr_ST Msg = { MSG_SW_RELOAD_REQ, 0, HIF_TASK,
279 sizeof(struct SmsMsgHdr_ST), 0 };
280
281 if (mode < DEVICE_MODE_DVBT || mode > DEVICE_MODE_DVBT_BDA) {
282 sms_err("invalid firmware id specified %d", mode);
283 return -EINVAL;
284 }
285
286 return smsusb_sendrequest(context, &Msg, sizeof(Msg));
287}
288
289static void smsusb_term_device(struct usb_interface *intf)
290{
291 struct smsusb_device_t *dev = 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 sms_info("device %p destroyed", dev);
301 kfree(dev);
302 }
303
304 usb_set_intfdata(intf, NULL);
305}
306
307static int smsusb_init_device(struct usb_interface *intf, int board_id)
308{
309 struct smsdevice_params_t params;
310 struct smsusb_device_t *dev;
311 int i, rc;
312
313 /* create device object */
314 dev = kzalloc(sizeof(struct smsusb_device_t), GFP_KERNEL);
315 if (!dev) {
316 sms_err("kzalloc(sizeof(struct smsusb_device_t) failed");
317 return -ENOMEM;
318 }
319
320 memset(&params, 0, sizeof(params));
321 usb_set_intfdata(intf, dev);
322 dev->udev = interface_to_usbdev(intf);
323
324 params.device_type = sms_get_board(board_id)->type;
325
326 switch (params.device_type) {
327 case SMS_STELLAR:
328 dev->buffer_size = USB1_BUFFER_SIZE;
329
330 params.setmode_handler = smsusb1_setmode;
331 params.detectmode_handler = smsusb1_detectmode;
332 break;
333 default:
334 sms_err("Unspecified sms device type!");
335 /* fall-thru */
336 case SMS_NOVA_A0:
337 case SMS_NOVA_B0:
338 case SMS_VEGA:
339 dev->buffer_size = USB2_BUFFER_SIZE;
340 dev->response_alignment =
341 le16_to_cpu(dev->udev->ep_in[1]->desc.wMaxPacketSize) -
342 sizeof(struct SmsMsgHdr_ST);
343
344 params.flags |= SMS_DEVICE_FAMILY2;
345 break;
346 }
347
348 params.device = &dev->udev->dev;
349 params.buffer_size = dev->buffer_size;
350 params.num_buffers = MAX_BUFFERS;
351 params.sendrequest_handler = smsusb_sendrequest;
352 params.context = dev;
353 usb_make_path(dev->udev, params.devpath, sizeof(params.devpath));
354
355 /* register in smscore */
356 rc = smscore_register_device(&params, &dev->coredev);
357 if (rc < 0) {
358 sms_err("smscore_register_device(...) failed, rc %d", rc);
359 smsusb_term_device(intf);
360 return rc;
361 }
362
363 smscore_set_board_id(dev->coredev, board_id);
364
365 /* initialize urbs */
366 for (i = 0; i < MAX_URBS; i++) {
367 dev->surbs[i].dev = dev;
368 usb_init_urb(&dev->surbs[i].urb);
369 }
370
371 sms_info("smsusb_start_streaming(...).");
372 rc = smsusb_start_streaming(dev);
373 if (rc < 0) {
374 sms_err("smsusb_start_streaming(...) failed");
375 smsusb_term_device(intf);
376 return rc;
377 }
378
379 rc = smscore_start_device(dev->coredev);
380 if (rc < 0) {
381 sms_err("smscore_start_device(...) failed");
382 smsusb_term_device(intf);
383 return rc;
384 }
385
386 sms_info("device %p created", dev);
387
388 return rc;
389}
390
391static int __devinit smsusb_probe(struct usb_interface *intf,
392 const struct usb_device_id *id)
393{
394 struct usb_device *udev = interface_to_usbdev(intf);
395 char devpath[32];
396 int i, rc;
397
398 rc = usb_clear_halt(udev, usb_rcvbulkpipe(udev, 0x81));
399 rc = usb_clear_halt(udev, usb_rcvbulkpipe(udev, 0x02));
400
401 if (intf->num_altsetting > 0) {
402 rc = usb_set_interface(
403 udev, intf->cur_altsetting->desc.bInterfaceNumber, 0);
404 if (rc < 0) {
405 sms_err("usb_set_interface failed, rc %d", rc);
406 return rc;
407 }
408 }
409
410 sms_info("smsusb_probe %d",
411 intf->cur_altsetting->desc.bInterfaceNumber);
412 for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++)
413 sms_info("endpoint %d %02x %02x %d", i,
414 intf->cur_altsetting->endpoint[i].desc.bEndpointAddress,
415 intf->cur_altsetting->endpoint[i].desc.bmAttributes,
416 intf->cur_altsetting->endpoint[i].desc.wMaxPacketSize);
417
418 if ((udev->actconfig->desc.bNumInterfaces == 2) &&
419 (intf->cur_altsetting->desc.bInterfaceNumber == 0)) {
420 sms_err("rom interface 0 is not used");
421 return -ENODEV;
422 }
423
424 if (intf->cur_altsetting->desc.bInterfaceNumber == 1) {
425 snprintf(devpath, sizeof(devpath), "usb\\%d-%s",
426 udev->bus->busnum, udev->devpath);
427 sms_info("stellar device was found.");
428 return smsusb1_load_firmware(
429 udev, smscore_registry_getmode(devpath),
430 id->driver_info);
431 }
432
433 rc = smsusb_init_device(intf, id->driver_info);
434 sms_info("rc %d", rc);
435 sms_board_load_modules(id->driver_info);
436 return rc;
437}
438
439static void smsusb_disconnect(struct usb_interface *intf)
440{
441 smsusb_term_device(intf);
442}
443
444static int smsusb_suspend(struct usb_interface *intf, pm_message_t msg)
445{
446 struct smsusb_device_t *dev = usb_get_intfdata(intf);
447 printk(KERN_INFO "%s: Entering status %d.\n", __func__, msg.event);
448 smsusb_stop_streaming(dev);
449 return 0;
450}
451
452static int smsusb_resume(struct usb_interface *intf)
453{
454 int rc, i;
455 struct smsusb_device_t *dev = usb_get_intfdata(intf);
456 struct usb_device *udev = interface_to_usbdev(intf);
457
458 printk(KERN_INFO "%s: Entering.\n", __func__);
459 usb_clear_halt(udev, usb_rcvbulkpipe(udev, 0x81));
460 usb_clear_halt(udev, usb_rcvbulkpipe(udev, 0x02));
461
462 for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++)
463 printk(KERN_INFO "endpoint %d %02x %02x %d\n", i,
464 intf->cur_altsetting->endpoint[i].desc.bEndpointAddress,
465 intf->cur_altsetting->endpoint[i].desc.bmAttributes,
466 intf->cur_altsetting->endpoint[i].desc.wMaxPacketSize);
467
468 if (intf->num_altsetting > 0) {
469 rc = usb_set_interface(udev,
470 intf->cur_altsetting->desc.
471 bInterfaceNumber, 0);
472 if (rc < 0) {
473 printk(KERN_INFO "%s usb_set_interface failed, "
474 "rc %d\n", __func__, rc);
475 return rc;
476 }
477 }
478
479 smsusb_start_streaming(dev);
480 return 0;
481}
482
483static const struct usb_device_id smsusb_id_table[] __devinitconst = {
484 { USB_DEVICE(0x187f, 0x0010),
485 .driver_info = SMS1XXX_BOARD_SIANO_STELLAR },
486 { USB_DEVICE(0x187f, 0x0100),
487 .driver_info = SMS1XXX_BOARD_SIANO_STELLAR },
488 { USB_DEVICE(0x187f, 0x0200),
489 .driver_info = SMS1XXX_BOARD_SIANO_NOVA_A },
490 { USB_DEVICE(0x187f, 0x0201),
491 .driver_info = SMS1XXX_BOARD_SIANO_NOVA_B },
492 { USB_DEVICE(0x187f, 0x0300),
493 .driver_info = SMS1XXX_BOARD_SIANO_VEGA },
494 { USB_DEVICE(0x2040, 0x1700),
495 .driver_info = SMS1XXX_BOARD_HAUPPAUGE_CATAMOUNT },
496 { USB_DEVICE(0x2040, 0x1800),
497 .driver_info = SMS1XXX_BOARD_HAUPPAUGE_OKEMO_A },
498 { USB_DEVICE(0x2040, 0x1801),
499 .driver_info = SMS1XXX_BOARD_HAUPPAUGE_OKEMO_B },
500 { USB_DEVICE(0x2040, 0x2000),
501 .driver_info = SMS1XXX_BOARD_HAUPPAUGE_TIGER_MINICARD },
502 { USB_DEVICE(0x2040, 0x2009),
503 .driver_info = SMS1XXX_BOARD_HAUPPAUGE_TIGER_MINICARD_R2 },
504 { USB_DEVICE(0x2040, 0x200a),
505 .driver_info = SMS1XXX_BOARD_HAUPPAUGE_TIGER_MINICARD },
506 { USB_DEVICE(0x2040, 0x2010),
507 .driver_info = SMS1XXX_BOARD_HAUPPAUGE_TIGER_MINICARD },
508 { USB_DEVICE(0x2040, 0x2011),
509 .driver_info = SMS1XXX_BOARD_HAUPPAUGE_TIGER_MINICARD },
510 { USB_DEVICE(0x2040, 0x2019),
511 .driver_info = SMS1XXX_BOARD_HAUPPAUGE_TIGER_MINICARD },
512 { USB_DEVICE(0x2040, 0x5500),
513 .driver_info = SMS1XXX_BOARD_HAUPPAUGE_WINDHAM },
514 { USB_DEVICE(0x2040, 0x5510),
515 .driver_info = SMS1XXX_BOARD_HAUPPAUGE_WINDHAM },
516 { USB_DEVICE(0x2040, 0x5520),
517 .driver_info = SMS1XXX_BOARD_HAUPPAUGE_WINDHAM },
518 { USB_DEVICE(0x2040, 0x5530),
519 .driver_info = SMS1XXX_BOARD_HAUPPAUGE_WINDHAM },
520 { USB_DEVICE(0x2040, 0x5580),
521 .driver_info = SMS1XXX_BOARD_HAUPPAUGE_WINDHAM },
522 { USB_DEVICE(0x2040, 0x5590),
523 .driver_info = SMS1XXX_BOARD_HAUPPAUGE_WINDHAM },
524 { USB_DEVICE(0x187f, 0x0202),
525 .driver_info = SMS1XXX_BOARD_SIANO_NICE },
526 { USB_DEVICE(0x187f, 0x0301),
527 .driver_info = SMS1XXX_BOARD_SIANO_VENICE },
528 { USB_DEVICE(0x2040, 0xb900),
529 .driver_info = SMS1XXX_BOARD_HAUPPAUGE_WINDHAM },
530 { USB_DEVICE(0x2040, 0xb910),
531 .driver_info = SMS1XXX_BOARD_HAUPPAUGE_WINDHAM },
532 { USB_DEVICE(0x2040, 0xb980),
533 .driver_info = SMS1XXX_BOARD_HAUPPAUGE_WINDHAM },
534 { USB_DEVICE(0x2040, 0xb990),
535 .driver_info = SMS1XXX_BOARD_HAUPPAUGE_WINDHAM },
536 { USB_DEVICE(0x2040, 0xc000),
537 .driver_info = SMS1XXX_BOARD_HAUPPAUGE_WINDHAM },
538 { USB_DEVICE(0x2040, 0xc010),
539 .driver_info = SMS1XXX_BOARD_HAUPPAUGE_WINDHAM },
540 { USB_DEVICE(0x2040, 0xc080),
541 .driver_info = SMS1XXX_BOARD_HAUPPAUGE_WINDHAM },
542 { USB_DEVICE(0x2040, 0xc090),
543 .driver_info = SMS1XXX_BOARD_HAUPPAUGE_WINDHAM },
544 { } /* Terminating entry */
545 };
546
547MODULE_DEVICE_TABLE(usb, smsusb_id_table);
548
549static struct usb_driver smsusb_driver = {
550 .name = "smsusb",
551 .probe = smsusb_probe,
552 .disconnect = smsusb_disconnect,
553 .id_table = smsusb_id_table,
554
555 .suspend = smsusb_suspend,
556 .resume = smsusb_resume,
557};
558
559static int __init smsusb_module_init(void)
560{
561 int rc = usb_register(&smsusb_driver);
562 if (rc)
563 sms_err("usb_register failed. Error number %d", rc);
564
565 sms_debug("");
566
567 return rc;
568}
569
570static void __exit smsusb_module_exit(void)
571{
572 /* Regular USB Cleanup */
573 usb_deregister(&smsusb_driver);
574 sms_info("end");
575}
576
577module_init(smsusb_module_init);
578module_exit(smsusb_module_exit);
579
580MODULE_DESCRIPTION("Driver for the Siano SMS1xxx USB dongle");
581MODULE_AUTHOR("Siano Mobile Silicon, INC. (uris@siano-ms.com)");
582MODULE_LICENSE("GPL");
generated by cgit v1.2.2 (git 2.25.0) at 2025-03-15 14:24:28 -0400