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"
29 #define USB1_BUFFER_SIZE 0x1000
30 #define USB2_BUFFER_SIZE 0x4000
32 #define MAX_BUFFERS 50
35 typedef struct _smsusb_device smsusb_device_t;
37 typedef struct _smsusb_urb
45 typedef struct _smsusb_device
47 struct usb_device *udev;
48 smscore_device_t *coredev;
50 smsusb_urb_t surbs[MAX_URBS];
52 int response_alignment;
56 int smsusb_submit_urb(smsusb_device_t *dev, smsusb_urb_t *surb);
58 void smsusb_onresponse(struct urb *urb)
60 smsusb_urb_t *surb = (smsusb_urb_t *) urb->context;
61 smsusb_device_t *dev = surb->dev;
65 printk(KERN_INFO "%s error, urb status %d, %d bytes\n", __func__, urb->status, urb->actual_length);
69 if (urb->actual_length > 0)
71 SmsMsgHdr_ST *phdr = (SmsMsgHdr_ST *) surb->cb->p;
73 if (urb->actual_length >= phdr->msgLength)
75 surb->cb->size = phdr->msgLength;
77 if (dev->response_alignment && (phdr->msgFlags & MSG_HDR_FLAG_SPLIT_MSG))
79 surb->cb->offset = dev->response_alignment + ((phdr->msgFlags >> 8) & 3);
82 if (((int) phdr->msgLength + surb->cb->offset) > urb->actual_length)
84 printk("%s: invalid response msglen %d offset %d size %d\n", __func__, phdr->msgLength, surb->cb->offset, urb->actual_length);
85 goto exit_and_resubmit;
88 // move buffer pointer and copy header to its new location
89 memcpy((char *) phdr + surb->cb->offset,
90 phdr, sizeof(SmsMsgHdr_ST));
95 smscore_onresponse(dev->coredev, surb->cb);
100 printk("%s invalid response msglen %d actual %d\n", __func__, phdr->msgLength, urb->actual_length);
105 smsusb_submit_urb(dev, surb);
108 int smsusb_submit_urb(smsusb_device_t *dev, smsusb_urb_t *surb)
112 surb->cb = smscore_getbuffer(dev->coredev);
115 printk(KERN_INFO "%s smscore_getbuffer(...) returned NULL\n", __func__);
123 usb_rcvbulkpipe(dev->udev, 0x81),
129 surb->urb.transfer_dma = surb->cb->phys;
130 surb->urb.transfer_flags |= URB_NO_TRANSFER_DMA_MAP;
132 return usb_submit_urb(&surb->urb, GFP_ATOMIC);
135 void smsusb_stop_streaming(smsusb_device_t *dev)
139 for (i = 0; i < MAX_URBS; i ++)
141 usb_kill_urb(&dev->surbs[i].urb);
143 if (dev->surbs[i].cb)
145 smscore_putbuffer(dev->coredev, dev->surbs[i].cb);
146 dev->surbs[i].cb = NULL;
151 int smsusb_start_streaming(smsusb_device_t *dev)
155 for (i = 0; i < MAX_URBS; i ++)
157 rc = smsusb_submit_urb(dev, &dev->surbs[i]);
160 printk(KERN_INFO "%s smsusb_submit_urb(...) failed\n", __func__);
161 smsusb_stop_streaming(dev);
169 int smsusb_sendrequest(void *context, void *buffer, size_t size)
171 smsusb_device_t *dev = (smsusb_device_t *) context;
174 return usb_bulk_msg(dev->udev, usb_sndbulkpipe(dev->udev, 2), buffer, size, &dummy, 1000);
177 char *smsusb1_fw_lkup[] =
179 "dvbt_stellar_usb.inp",
180 "dvbh_stellar_usb.inp",
181 "tdmb_stellar_usb.inp",
183 "dvbt_bda_stellar_usb.inp",
186 int smsusb1_load_firmware(struct usb_device *udev, int id)
188 const struct firmware *fw;
192 if (id < DEVICE_MODE_DVBT || id > DEVICE_MODE_DVBT_BDA)
194 printk(KERN_INFO "%s invalid firmware id specified %d\n", __func__, id);
198 rc = request_firmware(&fw, smsusb1_fw_lkup[id], &udev->dev);
201 printk(KERN_INFO "%s failed to open \"%s\" mode %d\n", __func__, smsusb1_fw_lkup[id], id);
205 fw_buffer = kmalloc(fw->size, GFP_KERNEL);
208 memcpy(fw_buffer, fw->data, fw->size);
210 rc = usb_bulk_msg(udev, usb_sndbulkpipe(udev, 2), fw_buffer, fw->size, &dummy, 1000);
212 printk(KERN_INFO "%s: sent %d(%d) bytes, rc %d\n", __func__, fw->size, dummy, rc);
218 printk(KERN_INFO "failed to allocate firmware buffer\n");
222 release_firmware(fw);
227 void smsusb1_detectmode(void *context, int *mode)
229 char *product_string = ((smsusb_device_t *) context)->udev->product;
231 *mode = DEVICE_MODE_NONE;
235 product_string = "none";
236 printk("%s product string not found\n", __func__);
240 if (strstr(product_string, "DVBH"))
242 else if (strstr(product_string, "BDA"))
244 else if (strstr(product_string, "DVBT"))
246 else if (strstr(product_string, "TDMB"))
250 printk("%s: %d \"%s\"\n", __func__, *mode, product_string);
253 int smsusb1_setmode(void *context, int mode)
255 SmsMsgHdr_ST Msg = { MSG_SW_RELOAD_REQ, 0, HIF_TASK, sizeof(SmsMsgHdr_ST), 0 };
257 if (mode < DEVICE_MODE_DVBT || mode > DEVICE_MODE_DVBT_BDA)
259 printk(KERN_INFO "%s invalid firmware id specified %d\n", __func__, mode);
263 return smsusb_sendrequest(context, &Msg, sizeof(Msg));
266 void smsusb_term_device(struct usb_interface *intf)
268 smsusb_device_t *dev = (smsusb_device_t *) usb_get_intfdata(intf);
272 smsusb_stop_streaming(dev);
274 // unregister from smscore
276 smscore_unregister_device(dev->coredev);
280 printk(KERN_INFO "%s device %p destroyed\n", __func__, dev);
283 usb_set_intfdata(intf, NULL);
286 int smsusb_init_device(struct usb_interface *intf)
288 smsdevice_params_t params;
289 smsusb_device_t *dev;
292 // create device object
293 dev = kzalloc(sizeof(smsusb_device_t), GFP_KERNEL);
296 printk(KERN_INFO "%s kzalloc(sizeof(smsusb_device_t) failed\n", __func__);
300 memset(¶ms, 0, sizeof(params));
301 usb_set_intfdata(intf, dev);
302 dev->udev = interface_to_usbdev(intf);
304 switch (dev->udev->descriptor.idProduct) {
306 dev->buffer_size = USB1_BUFFER_SIZE;
308 params.setmode_handler = smsusb1_setmode;
309 params.detectmode_handler = smsusb1_detectmode;
310 params.device_type = SMS_STELLAR;
311 printk(KERN_INFO "%s stellar device found\n", __func__ );
314 if (dev->udev->descriptor.idProduct == 0x200) {
315 params.device_type = SMS_NOVA_A0;
316 printk(KERN_INFO "%s nova A0 found\n", __func__ );
317 } else if (dev->udev->descriptor.idProduct == 0x201) {
318 params.device_type = SMS_NOVA_B0;
319 printk(KERN_INFO "%s nova B0 found\n", __func__);
321 params.device_type = SMS_VEGA;
322 printk(KERN_INFO "%s Vega found\n", __func__);
325 dev->buffer_size = USB2_BUFFER_SIZE;
326 dev->response_alignment = dev->udev->ep_in[1]->desc.wMaxPacketSize - sizeof(SmsMsgHdr_ST);
328 params.flags |= SMS_DEVICE_FAMILY2;
332 params.device = &dev->udev->dev;
333 params.buffer_size = dev->buffer_size;
334 params.num_buffers = MAX_BUFFERS;
335 params.sendrequest_handler = smsusb_sendrequest;
336 params.context = dev;
337 snprintf(params.devpath, sizeof(params.devpath), "usb\\%d-%s", dev->udev->bus->busnum, dev->udev->devpath);
339 // register in smscore
340 rc = smscore_register_device(¶ms, &dev->coredev);
343 printk(KERN_INFO "%s smscore_register_device(...) failed, rc %d\n", __func__, rc);
344 smsusb_term_device(intf);
349 for (i = 0; i < MAX_URBS; i ++)
351 dev->surbs[i].dev = dev;
352 usb_init_urb(&dev->surbs[i].urb);
355 printk(KERN_INFO "%s smsusb_start_streaming(...).\n", __func__);
356 rc = smsusb_start_streaming(dev);
359 printk(KERN_INFO "%s smsusb_start_streaming(...) failed\n", __func__);
360 smsusb_term_device(intf);
364 rc = smscore_start_device(dev->coredev);
367 printk(KERN_INFO "%s smscore_start_device(...) failed\n", __func__);
368 smsusb_term_device(intf);
372 printk(KERN_INFO "%s device %p created\n", __func__, dev);
377 int smsusb_probe(struct usb_interface *intf, const struct usb_device_id *id)
379 struct usb_device *udev = interface_to_usbdev(intf);
383 rc = usb_clear_halt(udev, usb_rcvbulkpipe(udev, 0x81));
384 rc = usb_clear_halt(udev, usb_rcvbulkpipe(udev, 0x02));
386 if (intf->num_altsetting > 0)
388 rc = usb_set_interface(udev, intf->cur_altsetting->desc.bInterfaceNumber, 0);
391 printk(KERN_INFO "%s usb_set_interface failed, rc %d\n", __func__, rc);
396 printk(KERN_INFO "smsusb_probe %d\n", intf->cur_altsetting->desc.bInterfaceNumber);
397 for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i ++)
398 printk(KERN_INFO "endpoint %d %02x %02x %d\n", i, intf->cur_altsetting->endpoint[i].desc.bEndpointAddress, intf->cur_altsetting->endpoint[i].desc.bmAttributes, intf->cur_altsetting->endpoint[i].desc.wMaxPacketSize);
400 if (udev->actconfig->desc.bNumInterfaces == 2 && intf->cur_altsetting->desc.bInterfaceNumber == 0)
402 printk(KERN_INFO "rom interface 0 is not used\n");
406 if (intf->cur_altsetting->desc.bInterfaceNumber == 1)
408 snprintf(devpath, sizeof(devpath), "usb\\%d-%s", udev->bus->busnum, udev->devpath);
409 printk(KERN_INFO "stellar device was found.\n");
410 return smsusb1_load_firmware(udev, smscore_registry_getmode(devpath));
413 rc = smsusb_init_device(intf);
414 printk(KERN_INFO "%s rc %d\n", __func__, rc);
418 void smsusb_disconnect(struct usb_interface *intf)
420 smsusb_term_device(intf);
423 static struct usb_device_id smsusb_id_table [] = {
424 { USB_DEVICE(0x187F, 0x0010) },
425 { USB_DEVICE(0x187F, 0x0100) },
426 { USB_DEVICE(0x187F, 0x0200) },
427 { } /* Terminating entry */
429 MODULE_DEVICE_TABLE (usb, smsusb_id_table);
431 static struct usb_driver smsusb_driver = {
433 .probe = smsusb_probe,
434 .disconnect = smsusb_disconnect,
435 .id_table = smsusb_id_table,
438 int smsusb_register(void)
440 int rc = usb_register(&smsusb_driver);
442 printk(KERN_INFO "usb_register failed. Error number %d\n", rc);
444 printk(KERN_INFO "%s\n", __func__);
449 void smsusb_unregister(void)
451 /* Regular USB Cleanup */
452 usb_deregister(&smsusb_driver);
453 printk(KERN_INFO "%s\n", __func__);