Date: Wed, 14 May 2008 13:16:27 -0400 From: Steve Clark <sclark@netwolves.com> To: Hans Petter Selasky <hselasky@c2i.net> Cc: freebsd-usb@freebsd.org Subject: Re: In on control endpoint Message-ID: <482B1E6B.3070309@netwolves.com> In-Reply-To: <200805141739.48185.hselasky@c2i.net> References: <4828AA64.7060306@netwolves.com> <200805131755.54080.hselasky@c2i.net> <482B0036.5060106@netwolves.com> <200805141739.48185.hselasky@c2i.net>
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Hans Petter Selasky wrote:
> Hi Steve,
>
> Can you send me a diff between the original file and the new one so that I can
> see where you inserted that code ? I suppose you inserted it at the wrong
> location.
>
> --HPS
>
<....snip....>
>>
>>I have decided to try your new usb stack. I am running on FreeBSD 6.1. The
>>device I am trying to get working is a sierra wireless usb 597 EVDO modem.
>>It is also has a slot for a micro-sd memory card, plus when it is first
>>powered up it doesn't look like a modem it looks like a different device
>>that has both the umass device plus a cdrom device that has windows
>>software drivers on it. In this mode it has a VID of 0x1199 and a PID of
>>0xfff, after a message on the control pipe it changes its identity to VID =
>>0x1199, PID=0x0023.
>>
>>What I had done previously with the original 6.1 usba.c was in the match
>>code look for the 1199:fff and then in the attach code send a message on
>>the control pipe to set it in modem mode like the code below: {
>> ubsa_cfg_request( sc, 0x0b, 1);
>> ucom->sc_dying = 1;
>> goto error;
>> }
>>
>>I tried to do something similar in the usba.c that is part of your new code
>>as follows: {
>> ubsa_cfg_request( sc, 0x0b, 1);
>> goto detach;
>> }
>>
>>but I immediately get a panic:
>>Fatal trap 12 page fault in kernel mode
>>...
>>Stopped at usbd_config_td_is_gone
>>bt gives:
>>ucom_cfg_is_gone
>>ubsa_cfg_request
>>ubsa_attach
>>...
>>
>>Which looks like it doesn't like the device disappearing when it switched
>>modes. Any ideas how this should be handled? Or where I should be trying to
>>switch the device into modem mode?
>>
>>Thanks,
>>Steve
>
>
>
>
Hi Hans,
Below is the diff you asked for - thanks for repsonding.
--- ubsa.c.orig Wed May 14 13:10:19 2008
+++ ubsa.c Wed May 14 11:13:26 2008
@@ -295,6 +295,9 @@
{USB_VENDOR_HUAWEI, USB_PRODUCT_HUAWEI_MOBILE},
/* Qualcomm, Inc. ZTE CDMA */
{USB_VENDOR_QUALCOMMINC, USB_PRODUCT_QUALCOMMINC_CDMA_MSM},
+ /* Sierra Wireless */
+ { USB_VENDOR_SIERRA, USB_PRODUCT_SIERRA_COMPASS_597 },
+ { USB_VENDOR_SIERRA, 0xfff },
{0, 0}
};
@@ -322,7 +325,7 @@
{
struct usb_attach_arg *uaa = device_get_ivars(dev);
const struct ubsa_product *up = ubsa_products;
-
+ printf("ubsa:vendor=%x,product=%x\n",uaa->vendor,uaa->product);
if (uaa->usb_mode != USB_MODE_HOST) {
return (UMATCH_NONE);
}
@@ -332,10 +335,14 @@
while (up->vendor) {
if ((up->vendor == uaa->vendor) &&
(up->product == uaa->product)) {
+ printf("ubsa:MATCH\n");
+
return (UMATCH_VENDOR_PRODUCT);
}
up++;
}
+ printf("ubsa:NO_MATCH\n");
+
return (UMATCH_NONE);
}
@@ -356,6 +363,12 @@
usbd_set_device_desc(dev);
sc->sc_udev = uaa->device;
+
+ if ( uaa->vendor == USB_VENDOR_SIERRA && uaa->product == 0xfff )
+ {
+ ubsa_cfg_request( sc, 0x0b, 1 );
+ goto detach;
+ }
/* configure the device */
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