Huawei E1752 under FreeBSD

[Milan Obuch]

On Friday 12 February 2010 09:48:14 Hans Petter Selasky wrote:
> On Wednesday 10 February 2010 10:50:08 Milan Obuch wrote:
> > Hi,
> >
> > I got this 3G modem, it is not recognised under FreeBSD (tested with
> > fresh 9-CURRENT).
> >
> > I found no relevant information googling for "huawei e1752 freebsd",
> > but "huawei e1752 linux" got me
> >
> > http://www.blogcatalog.com/blog/iwrite-2/dbbfb38ae5ef9ccef8540aad7f9edbd6
> >
> > and there is part about usb modeswitch, part of config reproduced here:
> >
> > # Huawei E1752
> > #
> > # Contributor:
> >
> > DefaultVendor=  0x12d1
> > DefaultProduct= 0x1446
> >
> > TargetVendor=   0x12d1
> > TargetProdct=   0x1001
> >
> > MessageEndpoint=        0x01
> >
> > MessageContent=
> >  "55534243000000000000000000000011060000000000000000000000000000"
> >
> > It looks like this is the message necessary for switching this device
> > into modem mode, but I have no idea how to issue such comm and. Also, for
> > my use I need to get this working under 8.0-RELEASE/STABLE.
>
> The last 16-hex bytes of the message is a SCSI command. Please make a new
> one in:
>
> usb/usb_msctest.c
>
> Then test and make a patch for usb/usbdevs and usb/serial/u3g.c .
>
> --HPS

Hmm, just to be sure I understand what you mean, I made following patches:

diff -u usb_msctest.h.orig usb_msctest.h.patched
--- usb_msctest.h.orig  2010-01-16 14:17:58.000000000 +0100
+++ usb_msctest.h.patched       2010-02-12 11:30:36.000000000 +0100
@@ -31,7 +31,8 @@
        MSC_EJECT_STOPUNIT,
        MSC_EJECT_REZERO,
        MSC_EJECT_ZTESTOR,
-       MSC_EJECT_CMOTECH
+       MSC_EJECT_CMOTECH,
+       MSC_EJECT_E1752
 };

 int usb_iface_is_cdrom(struct usb_device *udev,

diff -u usb_msctest.c.orig usb_msctest.c.patched
--- usb_msctest.c.orig  2010-02-12 11:15:40.000000000 +0100
+++ usb_msctest.c.patched       2010-02-12 11:30:00.000000000 +0100
@@ -94,6 +94,9 @@
                                          0x01, 0x01, 0x01, 0x01, 0x00, 
0x00 };
 static uint8_t scsi_cmotech_eject[] =   { 0xff, 0x52, 0x44, 0x45, 0x56, 0x43,
                                          0x48, 0x47 };
+static uint8_t scsi_huawei1752_eject[] = { 0x11, 0x06, 0x00, 0x00, 0x00, 
0x00,
+                                          0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+                                          0x00, 0x00, 0x00, 0x00 };

 #define        BULK_SIZE               64      /* dummy */
 #define        ERR_CSW_FAILED          -1
@@ -611,6 +614,11 @@
                    &scsi_cmotech_eject, sizeof(scsi_cmotech_eject),
                    USB_MS_HZ);
                break;
+       case MSC_EJECT_E1752:
+               err = bbb_command_start(sc, DIR_IN, 0, NULL, 0,
+                   &scsi_huawei1752_eject, sizeof(scsi_huawei1752_eject),
+                   USB_MS_HZ);
+               break;
        default:
                printf("usb_msc_eject: unknown eject method (%d)\n", method);
                break;

diff -u usbdevs.orig usbdevs.patched
--- usbdevs.orig        2010-02-05 02:47:43.000000000 +0100
+++ usbdevs.patched     2010-02-09 23:27:38.000000000 +0100
@@ -1724,6 +1724,7 @@
 product HUAWEI E143E           0x143e  3G modem
 product HUAWEI E143F           0x143f  3G modem
 product HUAWEI E14AC           0x14ac  3G modem
+product HUAWEI E1752           0x1446  3G modem

 /* HUAWEI 3com products */
 product HUAWEI3COM WUB320G     0x0009  Aolynk WUB320g

diff -u u3g.c.orig u3g.c.patched
--- u3g.c.orig  2010-02-09 22:10:21.000000000 +0100
+++ u3g.c       2010-02-12 11:39:28.000000000 +0100
@@ -92,6 +92,7 @@
 #define        U3GINIT_CMOTECH         6       /* Requires CMOTECH SCSI 
command */
 #define        U3GINIT_WAIT            7       /* Device reappears after a 
delay */
 #define        U3GINIT_SAEL_M460       8       /* Requires vendor init */
+#define        U3GINIT_HUAWEI_E1752    9       /* Requires Huawei E1752 init 
command */

 enum {
        U3G_BULK_WR,
@@ -281,6 +282,7 @@
        U3G_DEV(HUAWEI, E220, U3GINIT_HUAWEI),
        U3G_DEV(HUAWEI, E220BIS, U3GINIT_HUAWEI),
        U3G_DEV(HUAWEI, MOBILE, U3GINIT_HUAWEI),
+       U3G_DEV(HUAWEI, E1752, U3GINIT_HUAWEI_E1752),
        U3G_DEV(KYOCERA2, CDMA_MSM_K, 0),
        U3G_DEV(KYOCERA2, KPC680, 0),
        U3G_DEV(MERLIN, V620, 0),
@@ -668,6 +670,9 @@
                        /* Just pretend we ejected, the card will timeout */
                        error = 0;
                        break;
+               case U3GINIT_HUAWEI_E1752:
+                       error = usb_msc_eject(udev, 0, MSC_EJECT_E1752);
+                       break;
                default:
                        /* no 3G eject quirks */
                        error = EOPNOTSUPP;

I am going to compile it and test, just sent now if you see something wrong 
(well, as said, I am not 100 % I understood exactly what you mean).

Regards,
Milan