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
;
286 /* create device object */
287 dev
= kzalloc(sizeof(struct smsusb_device_t
), GFP_KERNEL
);
289 sms_err("kzalloc(sizeof(struct smsusb_device_t) failed");
293 memset(¶ms
, 0, sizeof(params
));
294 usb_set_intfdata(intf
, dev
);
295 dev
->udev
= interface_to_usbdev(intf
);
297 params
.device_type
= sms_get_board(board_id
)->type
;
299 switch (params
.device_type
) {
301 dev
->buffer_size
= USB1_BUFFER_SIZE
;
303 params
.setmode_handler
= smsusb1_setmode
;
304 params
.detectmode_handler
= smsusb1_detectmode
;
307 sms_err("Unspecified sms device type!");
312 dev
->buffer_size
= USB2_BUFFER_SIZE
;
313 dev
->response_alignment
=
314 dev
->udev
->ep_in
[1]->desc
.wMaxPacketSize
-
315 sizeof(struct SmsMsgHdr_ST
);
317 params
.flags
|= SMS_DEVICE_FAMILY2
;
321 params
.device
= &dev
->udev
->dev
;
322 params
.buffer_size
= dev
->buffer_size
;
323 params
.num_buffers
= MAX_BUFFERS
;
324 params
.sendrequest_handler
= smsusb_sendrequest
;
325 params
.context
= dev
;
326 snprintf(params
.devpath
, sizeof(params
.devpath
),
327 "usb\\%d-%s", dev
->udev
->bus
->busnum
, dev
->udev
->devpath
);
329 /* register in smscore */
330 rc
= smscore_register_device(¶ms
, &dev
->coredev
);
332 sms_err("smscore_register_device(...) failed, rc %d", rc
);
333 smsusb_term_device(intf
);
337 smscore_set_board_id(dev
->coredev
, board_id
);
339 /* initialize urbs */
340 for (i
= 0; i
< MAX_URBS
; i
++) {
341 dev
->surbs
[i
].dev
= dev
;
342 usb_init_urb(&dev
->surbs
[i
].urb
);
345 sms_info("smsusb_start_streaming(...).");
346 rc
= smsusb_start_streaming(dev
);
348 sms_err("smsusb_start_streaming(...) failed");
349 smsusb_term_device(intf
);
353 rc
= smscore_start_device(dev
->coredev
);
355 sms_err("smscore_start_device(...) failed");
356 smsusb_term_device(intf
);
360 sms_info("device %p created", dev
);
365 static int smsusb_probe(struct usb_interface
*intf
,
366 const struct usb_device_id
*id
)
368 struct usb_device
*udev
= interface_to_usbdev(intf
);
372 rc
= usb_clear_halt(udev
, usb_rcvbulkpipe(udev
, 0x81));
373 rc
= usb_clear_halt(udev
, usb_rcvbulkpipe(udev
, 0x02));
375 if (intf
->num_altsetting
> 0) {
376 rc
= usb_set_interface(
377 udev
, intf
->cur_altsetting
->desc
.bInterfaceNumber
, 0);
379 sms_err("usb_set_interface failed, rc %d", rc
);
384 sms_info("smsusb_probe %d",
385 intf
->cur_altsetting
->desc
.bInterfaceNumber
);
386 for (i
= 0; i
< intf
->cur_altsetting
->desc
.bNumEndpoints
; i
++)
387 sms_info("endpoint %d %02x %02x %d", i
,
388 intf
->cur_altsetting
->endpoint
[i
].desc
.bEndpointAddress
,
389 intf
->cur_altsetting
->endpoint
[i
].desc
.bmAttributes
,
390 intf
->cur_altsetting
->endpoint
[i
].desc
.wMaxPacketSize
);
392 if ((udev
->actconfig
->desc
.bNumInterfaces
== 2) &&
393 (intf
->cur_altsetting
->desc
.bInterfaceNumber
== 0)) {
394 sms_err("rom interface 0 is not used");
398 if (intf
->cur_altsetting
->desc
.bInterfaceNumber
== 1) {
399 snprintf(devpath
, sizeof(devpath
), "usb\\%d-%s",
400 udev
->bus
->busnum
, udev
->devpath
);
401 sms_info("stellar device was found.");
402 return smsusb1_load_firmware(
403 udev
, smscore_registry_getmode(devpath
));
406 rc
= smsusb_init_device(intf
, id
->driver_info
);
407 sms_info("rc %d", rc
);
411 static void smsusb_disconnect(struct usb_interface
*intf
)
413 smsusb_term_device(intf
);
416 static struct usb_driver smsusb_driver
= {
418 .probe
= smsusb_probe
,
419 .disconnect
= smsusb_disconnect
,
420 .id_table
= smsusb_id_table
,
423 int smsusb_register(void)
425 int rc
= usb_register(&smsusb_driver
);
427 sms_err("usb_register failed. Error number %d", rc
);
434 void smsusb_unregister(void)
437 /* Regular USB Cleanup */
438 usb_deregister(&smsusb_driver
);