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Date: Mon, 14 May 2007 14:44:49 -0700
From: Kevin Lloyd <klloyd@...rrawireless.com>
To: gregkh@...e.de, mdharm-usb@...-eyed-alien.net
CC: linux-usb-users@...ts.sourceforge.net,
usb-storage@...ts.one-eyed-alien.net, linux-kernel@...r.kernel.org
Subject: [PATCH] usb-storage: Add support for unusual device by Sierra Wireless
From: Kevin Lloyd <linux@...rrawireless.com>
This patch is targeted for the 2.6.21.1 kernel source. It adds support
for Sierra Wireless devices with auto-install support to the
unusual_devices list of the usb-mass storage driver. This requires
changes to Kconfig, Makefile, usb.c, unusual_devs.h, and the addition
of sierra_ms.h & sierra_ms.c.
Signed-off-by: Kevin Lloyd <linux@...rrawireless.com>
---
diff -uprN linux-2.6.21.1/drivers/usb/storage/Kconfig linux-2.6.21.1.swoc/drivers/usb/storage/Kconfig
--- linux-2.6.21.1/drivers/usb/storage/Kconfig 2007-04-27 14:49:26.000000000 -0700
+++ linux-2.6.21.1.swoc/drivers/usb/storage/Kconfig 2007-05-14 13:56:41.000000000 -0700
@@ -105,6 +105,13 @@ config USB_STORAGE_SDDR55
Say Y here to include additional code to support the Sandisk SDDR-55
SmartMedia reader in the USB Mass Storage driver.
+config USB_STORAGE_SIERRA
+ bool "Sierra Wireless Modem Support"
+ depends on USB_STORAGE
+ help
+ Say Y here in order to support new Sierra Wireless devices with the
+ auto install feature.
+
config USB_STORAGE_JUMPSHOT
bool "Lexar Jumpshot Compact Flash Reader (EXPERIMENTAL)"
depends on USB_STORAGE && EXPERIMENTAL
diff -uprN linux-2.6.21.1/drivers/usb/storage/Makefile linux-2.6.21.1.swoc/drivers/usb/storage/Makefile
--- linux-2.6.21.1/drivers/usb/storage/Makefile 2007-04-27 14:49:26.000000000 -0700
+++ linux-2.6.21.1.swoc/drivers/usb/storage/Makefile 2007-05-11 15:56:44.000000000 -0700
@@ -21,6 +21,7 @@ usb-storage-obj-$(CONFIG_USB_STORAGE_JUM
usb-storage-obj-$(CONFIG_USB_STORAGE_ALAUDA) += alauda.o
usb-storage-obj-$(CONFIG_USB_STORAGE_ONETOUCH) += onetouch.o
usb-storage-obj-$(CONFIG_USB_STORAGE_KARMA) += karma.o
+usb-storage-obj-$(CONFIG_USB_STORAGE_SIERRA) += sierra_ms.o
usb-storage-objs := scsiglue.o protocol.o transport.o usb.o \
initializers.o $(usb-storage-obj-y)
diff -uprN linux-2.6.21.1/drivers/usb/storage/sierra_ms.c linux-2.6.21.1.swoc/drivers/usb/storage/sierra_ms.c
--- linux-2.6.21.1/drivers/usb/storage/sierra_ms.c 1969-12-31 16:00:00.000000000 -0800
+++ linux-2.6.21.1.swoc/drivers/usb/storage/sierra_ms.c 2007-05-14 13:55:38.000000000 -0700
@@ -0,0 +1,82 @@
+/* Driver for Sierra Wireless devices with auto-install support
+ *
+ * First release
+ *
+ * Current development and maintenance by:
+ * (C) 2007 Kevin Lloyd <linux@...rrawireless.com>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2, or (at your option) any
+ * later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#include <scsi/scsi.h>
+#include <scsi/scsi_cmnd.h>
+#include <scsi/scsi_device.h>
+
+#include "usb.h"
+#include "transport.h"
+#include "protocol.h"
+#include "scsiglue.h"
+#include "debug.h"
+#include "sierra_ms.h"
+
+
+int sierra_ms_init(struct us_data *us)
+{
+ int retval, retries;
+ signed long delay_t;
+ US_DEBUGP("sierra_ms: sierra_ms_init called\n");
+
+ delay_t = 2;
+ retries = 3;
+ while (retries)
+ {
+ schedule_timeout_uninterruptible(delay_t*HZ);
+ retval = sierra_ms_change_mode(us, SWIMS_SET_MODE_Modem);
+ if (retval == -ETIMEDOUT || retval == -ETIME) {
+ US_DEBUGP("sierra_ms: Command timed out.\n");
+ retries--;
+ }
+ else if (retval < 0) {
+ /* something prevented us from registering this driver */
+ err("sierra_ms: Error sending change mode command (%d).\n", retval);
+ retries--;
+ }
+ else
+ retries=0;
+ }
+ return retval;
+}
+
+int sierra_ms_change_mode(struct us_data *us, SWIMS_SET_MODE_VALUE
+ eSocMode)
+{
+ int result;
+ unsigned char *blankArray;
+ blankArray = kmalloc(0, GFP_KERNEL);
+
+ US_DEBUGP("sierra_ms: attempting to change modes.\n");
+
+ result = usb_stor_control_msg(us, us->send_ctrl_pipe,
+ SWIMS_USB_REQUEST_SetMode,
+ SWIMS_USB_REQUEST_TYPE_SetMode,
+ eSocMode,
+ SWIMS_USB_INDEX_SetMode,
+ blankArray,
+ 0,
+ 5*HZ);
+
+ return result;
+}
+
diff -uprN linux-2.6.21.1/drivers/usb/storage/sierra_ms.h linux-2.6.21.1.swoc/drivers/usb/storage/sierra_ms.h
--- linux-2.6.21.1/drivers/usb/storage/sierra_ms.h 1969-12-31 16:00:00.000000000 -0800
+++ linux-2.6.21.1.swoc/drivers/usb/storage/sierra_ms.h 2007-05-14 13:55:45.000000000 -0700
@@ -0,0 +1,41 @@
+/* Header File for Sierra Wireless auto-install driver
+ *
+ * First release
+ *
+ * Current development and maintenance by:
+ * (c) 2000 In-System Design, Inc. (support@...system.com)
+ *
+ * See sierra_ms.c for more information.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2, or (at your option) any
+ * later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 675 Mass Ave, Cambridge, MA 02139, USA.
+*/
+
+#ifndef _SIERRA_MS_H
+#define _SIERRA_MS_H
+
+#define USB_sierra_ms_VENDOR_ID 0x1199
+#define USB_sierra_ms_PRODUCT_ID 0x0fff
+
+#define SWIMS_USB_REQUEST_SetMode 0x0B
+#define SWIMS_USB_REQUEST_TYPE_SetMode 0x40
+#define SWIMS_USB_INDEX_SetMode 0x0000
+#define SWIMS_SET_MODE_Modem 0x0001
+
+typedef __u16 SWIMS_SET_MODE_VALUE;
+
+extern int sierra_ms_init(struct us_data *us);
+int sierra_ms_change_mode(struct us_data *us, SWIMS_SET_MODE_VALUE eSocMode);
+
+#endif
diff -uprN linux-2.6.21.1/drivers/usb/storage/unusual_devs.h linux-2.6.21.1.swoc/drivers/usb/storage/unusual_devs.h
--- linux-2.6.21.1/drivers/usb/storage/unusual_devs.h 2007-04-27 14:49:26.000000000 -0700
+++ linux-2.6.21.1.swoc/drivers/usb/storage/unusual_devs.h 2007-05-11 15:56:44.000000000 -0700
@@ -1361,6 +1361,17 @@ UNUSUAL_DEV( 0x1019, 0x0c55, 0x0000, 0x
US_SC_DEVICE, US_PR_DEVICE, usb_stor_ucr61s2b_init,
0 ),
+/* Reported by Kevin Lloyd <linux@...rrawireless.com>
+ * Entry is needed for the initializer function override,
+ * which instructs the device to load as a modem
+ * device.
+ */
+UNUSUAL_DEV( 0x1199, 0x0fff, 0x0000, 0x9999,
+ "Sierra Wireless",
+ "USB MMC Storage",
+ US_SC_DEVICE, US_PR_DEVICE, sierra_ms_init,
+ 0),
+
/* Reported by Jaco Kroon <jaco@...on.co.za>
* The usb-storage module found on the Digitech GNX4 (and supposedly other
* devices) misbehaves and causes a bunch of invalid I/O errors.
diff -uprN linux-2.6.21.1/drivers/usb/storage/usb.c linux-2.6.21.1.swoc/drivers/usb/storage/usb.c
--- linux-2.6.21.1/drivers/usb/storage/usb.c 2007-04-27 14:49:26.000000000 -0700
+++ linux-2.6.21.1.swoc/drivers/usb/storage/usb.c 2007-05-11 15:56:44.000000000 -0700
@@ -101,6 +101,10 @@
#ifdef CONFIG_USB_STORAGE_KARMA
#include "karma.h"
#endif
+#ifdef CONFIG_USB_STORAGE_SIERRA
+#include "sierra_ms.h"
+#endif
+
/* Some informational data */
MODULE_AUTHOR("Matthew Dharm <mdharm-usb@...-eyed-alien.net>");
-
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