2 * Driver for the Siano SMS10xx USB dongle
4 * author: Anatoly Greenblat
6 * Copyright (c), 2005-2008 Siano Mobile Silicon, Inc.
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License version 3 as
10 * published by the Free Software Foundation;
12 * Software distributed under the License is distributed on an "AS IS"
13 * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied.
15 * See the GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
22 #include <linux/kernel.h>
23 #include <linux/init.h>
24 #include <linux/usb.h>
25 #include <linux/firmware.h>
27 #include "smscoreapi.h"
28 #include "sms-cards.h"
30 #define USB1_BUFFER_SIZE 0x1000
31 #define USB2_BUFFER_SIZE 0x4000
33 #define MAX_BUFFERS 50
36 struct smsusb_device_t;
39 struct smscore_buffer_t *cb;
40 struct smsusb_device_t *dev;
45 struct smsusb_device_t {
46 struct usb_device *udev;
47 struct smscore_device_t *coredev;
49 struct smsusb_urb_t surbs[MAX_URBS];
51 int response_alignment;
55 static int smsusb_submit_urb(struct smsusb_device_t *dev,
56 struct smsusb_urb_t *surb);
58 static void smsusb_onresponse(struct urb *urb)
60 struct smsusb_urb_t *surb = (struct smsusb_urb_t *) urb->context;
61 struct smsusb_device_t *dev = surb->dev;
63 if (urb->status < 0) {
64 sms_err("error, urb status %d, %d bytes",
65 urb->status, urb->actual_length);
69 if (urb->actual_length > 0) {
70 struct SmsMsgHdr_ST *phdr = (struct SmsMsgHdr_ST *) surb->cb->p;
72 if (urb->actual_length >= phdr->msgLength) {
73 surb->cb->size = phdr->msgLength;
75 if (dev->response_alignment &&
76 (phdr->msgFlags & MSG_HDR_FLAG_SPLIT_MSG)) {
79 dev->response_alignment +
80 ((phdr->msgFlags >> 8) & 3);
83 if (((int) phdr->msgLength +
84 surb->cb->offset) > urb->actual_length) {
85 sms_err("invalid response "
86 "msglen %d offset %d "
91 goto exit_and_resubmit;
94 /* move buffer pointer and
95 * copy header to its new location */
96 memcpy((char *) phdr + surb->cb->offset,
97 phdr, sizeof(struct SmsMsgHdr_ST));
101 smscore_onresponse(dev->coredev, surb->cb);
104 sms_err("invalid response "
105 "msglen %d actual %d",
106 phdr->msgLength, urb->actual_length);
111 smsusb_submit_urb(dev, surb);
114 static int smsusb_submit_urb(struct smsusb_device_t *dev,
115 struct smsusb_urb_t *surb)
118 surb->cb = smscore_getbuffer(dev->coredev);
120 sms_err("smscore_getbuffer(...) returned NULL");
128 usb_rcvbulkpipe(dev->udev, 0x81),
134 surb->urb.transfer_dma = surb->cb->phys;
135 surb->urb.transfer_flags |= URB_NO_TRANSFER_DMA_MAP;
137 return usb_submit_urb(&surb->urb, GFP_ATOMIC);
140 static void smsusb_stop_streaming(struct smsusb_device_t *dev)
144 for (i = 0; i < MAX_URBS; i++) {
145 usb_kill_urb(&dev->surbs[i].urb);
147 if (dev->surbs[i].cb) {
148 smscore_putbuffer(dev->coredev, dev->surbs[i].cb);
149 dev->surbs[i].cb = NULL;
154 static int smsusb_start_streaming(struct smsusb_device_t *dev)
158 for (i = 0; i < MAX_URBS; i++) {
159 rc = smsusb_submit_urb(dev, &dev->surbs[i]);
161 sms_err("smsusb_submit_urb(...) failed");
162 smsusb_stop_streaming(dev);
170 static int smsusb_sendrequest(void *context, void *buffer, size_t size)
172 struct smsusb_device_t *dev = (struct smsusb_device_t *) context;
175 return usb_bulk_msg(dev->udev, usb_sndbulkpipe(dev->udev, 2),
176 buffer, size, &dummy, 1000);
179 static char *smsusb1_fw_lkup[] = {
180 "dvbt_stellar_usb.inp",
181 "dvbh_stellar_usb.inp",
182 "tdmb_stellar_usb.inp",
184 "dvbt_bda_stellar_usb.inp",
187 static int smsusb1_load_firmware(struct usb_device *udev, int id)
189 const struct firmware *fw;
193 if (id < DEVICE_MODE_DVBT || id > DEVICE_MODE_DVBT_BDA) {
194 sms_err("invalid firmware id specified %d", id);
198 rc = request_firmware(&fw, smsusb1_fw_lkup[id], &udev->dev);
200 sms_err("failed to open \"%s\" mode %d",
201 smsusb1_fw_lkup[id], id);
205 fw_buffer = kmalloc(fw->size, GFP_KERNEL);
207 memcpy(fw_buffer, fw->data, fw->size);
209 rc = usb_bulk_msg(udev, usb_sndbulkpipe(udev, 2),
210 fw_buffer, fw->size, &dummy, 1000);
212 sms_info("sent %d(%d) bytes, rc %d", fw->size, dummy, rc);
216 sms_err("failed to allocate firmware buffer");
220 release_firmware(fw);
225 static void smsusb1_detectmode(void *context, int *mode)
227 char *product_string =
228 ((struct smsusb_device_t *) context)->udev->product;
230 *mode = DEVICE_MODE_NONE;
232 if (!product_string) {
233 product_string = "none";
234 sms_err("product string not found");
235 } else if (strstr(product_string, "DVBH"))
237 else if (strstr(product_string, "BDA"))
239 else if (strstr(product_string, "DVBT"))
241 else if (strstr(product_string, "TDMB"))
244 sms_info("%d \"%s\"", *mode, product_string);
247 static int smsusb1_setmode(void *context, int mode)
249 struct SmsMsgHdr_ST Msg = { MSG_SW_RELOAD_REQ, 0, HIF_TASK,
250 sizeof(struct SmsMsgHdr_ST), 0 };
252 if (mode < DEVICE_MODE_DVBT || mode > DEVICE_MODE_DVBT_BDA) {
253 sms_err("invalid firmware id specified %d", mode);
257 return smsusb_sendrequest(context, &Msg, sizeof(Msg));
260 static void smsusb_term_device(struct usb_interface *intf)
262 struct smsusb_device_t *dev =
263 (struct smsusb_device_t *) usb_get_intfdata(intf);
266 smsusb_stop_streaming(dev);
268 /* unregister from smscore */
270 smscore_unregister_device(dev->coredev);
274 sms_info("device %p destroyed", dev);
277 usb_set_intfdata(intf, NULL);
280 static int smsusb_init_device(struct usb_interface *intf, int board_id)
282 struct smsdevice_params_t params;
283 struct smsusb_device_t *dev;
284 struct sms_board *board;
287 /* create device object */
288 dev = kzalloc(sizeof(struct smsusb_device_t), GFP_KERNEL);
290 sms_err("kzalloc(sizeof(struct smsusb_device_t) failed");
294 memset(¶ms, 0, sizeof(params));
295 usb_set_intfdata(intf, dev);
296 dev->udev = interface_to_usbdev(intf);
298 board = sms_get_board(board_id);
300 switch (board->type) {
303 dev->buffer_size = USB1_BUFFER_SIZE;
305 params.setmode_handler = smsusb1_setmode;
306 params.detectmode_handler = smsusb1_detectmode;
307 params.device_type = SMS_STELLAR;
308 sms_info("stellar device found");
311 switch (board->type) {
313 params.device_type = SMS_NOVA_A0;
314 sms_info("nova A0 found");
317 params.device_type = SMS_NOVA_B0;
318 sms_info("nova B0 found");
321 params.device_type = SMS_VEGA;
322 sms_info("Vega found");
325 sms_err("Unspecified sms device type!");
328 dev->buffer_size = USB2_BUFFER_SIZE;
329 dev->response_alignment =
330 dev->udev->ep_in[1]->desc.wMaxPacketSize -
331 sizeof(struct SmsMsgHdr_ST);
333 params.flags |= SMS_DEVICE_FAMILY2;
337 params.device = &dev->udev->dev;
338 params.buffer_size = dev->buffer_size;
339 params.num_buffers = MAX_BUFFERS;
340 params.sendrequest_handler = smsusb_sendrequest;
341 params.context = dev;
342 snprintf(params.devpath, sizeof(params.devpath),
343 "usb\\%d-%s", dev->udev->bus->busnum, dev->udev->devpath);
345 /* register in smscore */
346 rc = smscore_register_device(¶ms, &dev->coredev);
348 sms_err("smscore_register_device(...) failed, rc %d", rc);
349 smsusb_term_device(intf);
353 smscore_set_board_id(dev->coredev, board_id);
355 /* initialize urbs */
356 for (i = 0; i < MAX_URBS; i++) {
357 dev->surbs[i].dev = dev;
358 usb_init_urb(&dev->surbs[i].urb);
361 sms_info("smsusb_start_streaming(...).");
362 rc = smsusb_start_streaming(dev);
364 sms_err("smsusb_start_streaming(...) failed");
365 smsusb_term_device(intf);
369 rc = smscore_start_device(dev->coredev);
371 sms_err("smscore_start_device(...) failed");
372 smsusb_term_device(intf);
376 sms_info("device %p created", dev);
381 static int smsusb_probe(struct usb_interface *intf,
382 const struct usb_device_id *id)
384 struct usb_device *udev = interface_to_usbdev(intf);
388 rc = usb_clear_halt(udev, usb_rcvbulkpipe(udev, 0x81));
389 rc = usb_clear_halt(udev, usb_rcvbulkpipe(udev, 0x02));
391 if (intf->num_altsetting > 0) {
392 rc = usb_set_interface(
393 udev, intf->cur_altsetting->desc.bInterfaceNumber, 0);
395 sms_err("usb_set_interface failed, rc %d", rc);
400 sms_info("smsusb_probe %d",
401 intf->cur_altsetting->desc.bInterfaceNumber);
402 for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++)
403 sms_info("endpoint %d %02x %02x %d", i,
404 intf->cur_altsetting->endpoint[i].desc.bEndpointAddress,
405 intf->cur_altsetting->endpoint[i].desc.bmAttributes,
406 intf->cur_altsetting->endpoint[i].desc.wMaxPacketSize);
408 if ((udev->actconfig->desc.bNumInterfaces == 2) &&
409 (intf->cur_altsetting->desc.bInterfaceNumber == 0)) {
410 sms_err("rom interface 0 is not used");
414 if (intf->cur_altsetting->desc.bInterfaceNumber == 1) {
415 snprintf(devpath, sizeof(devpath), "usb\\%d-%s",
416 udev->bus->busnum, udev->devpath);
417 sms_info("stellar device was found.");
418 return smsusb1_load_firmware(
419 udev, smscore_registry_getmode(devpath));
422 rc = smsusb_init_device(intf, id->driver_info);
423 sms_info("rc %d", rc);
427 static void smsusb_disconnect(struct usb_interface *intf)
429 smsusb_term_device(intf);
432 static struct usb_driver smsusb_driver = {
434 .probe = smsusb_probe,
435 .disconnect = smsusb_disconnect,
436 .id_table = smsusb_id_table,
439 int smsusb_register(void)
441 int rc = usb_register(&smsusb_driver);
443 sms_err("usb_register failed. Error number %d", rc);
450 void smsusb_unregister(void)
453 /* Regular USB Cleanup */
454 usb_deregister(&smsusb_driver);