Hello,
I have created patch for linux kernel which handles Toshiba G450
as a HSDPA modem.
For more information please visit
http://www.magdina.org/projects/toshiba-g450-kernel-patch
See attached patch file.
Regards,
Peter Magdina
diff -Nparu linux-2.6.31.1-old/drivers/usb/serial/option.c linux-2.6.31.1-new/drivers/usb/serial/option.c
--- linux-2.6.31.1-old/drivers/usb/serial/option.c 2009-10-03 00:14:54.000000000 +0200
+++ linux-2.6.31.1-new/drivers/usb/serial/option.c 2009-10-03 00:15:54.000000000 +0200
@@ -317,6 +317,7 @@ static int option_resume(struct usb_ser
/* TOSHIBA PRODUCTS */
#define TOSHIBA_VENDOR_ID 0x0930
#define TOSHIBA_PRODUCT_HSDPA_MINICARD 0x1302
+#define TOSHIBA_PRODUCT_G450 0x0d45
#define ALINK_VENDOR_ID 0x1e0e
#define ALINK_PRODUCT_3GU 0x9200
@@ -578,6 +579,7 @@ static struct usb_device_id option_ids[]
{ USB_DEVICE(QISDA_VENDOR_ID, QISDA_PRODUCT_H21_4523) },
{ USB_DEVICE(QISDA_VENDOR_ID, QISDA_PRODUCT_H20_4515) },
{ USB_DEVICE(QISDA_VENDOR_ID, QISDA_PRODUCT_H20_4519) },
+ { USB_DEVICE(TOSHIBA_VENDOR_ID, TOSHIBA_PRODUCT_G450) },
{ USB_DEVICE(TOSHIBA_VENDOR_ID, TOSHIBA_PRODUCT_HSDPA_MINICARD ) }, /* Toshiba 3G HSDPA == Novatel Expedite EU870D MiniCard */
{ USB_DEVICE(ALINK_VENDOR_ID, 0x9000) },
{ USB_DEVICE_AND_INTERFACE_INFO(ALINK_VENDOR_ID, ALINK_PRODUCT_3GU, 0xff, 0xff, 0xff) },
diff -Nparu linux-2.6.31.1-old/drivers/usb/storage/Makefile linux-2.6.31.1-new/drivers/usb/storage/Makefile
--- linux-2.6.31.1-old/drivers/usb/storage/Makefile 2009-10-03 00:14:54.000000000 +0200
+++ linux-2.6.31.1-new/drivers/usb/storage/Makefile 2009-10-03 00:15:40.000000000 +0200
@@ -12,7 +12,8 @@ obj-$(CONFIG_USB_STORAGE) += usb-storage
usb-storage-obj-$(CONFIG_USB_STORAGE_DEBUG) += debug.o
usb-storage-objs := scsiglue.o protocol.o transport.o usb.o \
- initializers.o sierra_ms.o option_ms.o $(usb-storage-obj-y)
+ initializers.o sierra_ms.o option_ms.o \
+ toshiba_g450.o $(usb-storage-obj-y)
ifeq ($(CONFIG_USB_LIBUSUAL),)
usb-storage-objs += usual-tables.o
diff -Nparu linux-2.6.31.1-old/drivers/usb/storage/toshiba_g450.c linux-2.6.31.1-new/drivers/usb/storage/toshiba_g450.c
--- linux-2.6.31.1-old/drivers/usb/storage/toshiba_g450.c 1970-01-01 01:00:00.000000000 +0100
+++ linux-2.6.31.1-new/drivers/usb/storage/toshiba_g450.c 2009-10-03 00:15:40.000000000 +0200
@@ -0,0 +1,162 @@
+/*
+ * Driver for Toshiba G450 HSDPA modem.
+ *
+ * (c) 2009 Peter Magdina <peter@xxxxxxxxxx>
+ *
+ * Inspired by option_ms.c by Dan Williams <dcbw@xxxxxxxxxx>
+ *
+ * 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 of the License, 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 <linux/usb.h>
+
+#include "usb.h"
+#include "transport.h"
+#include "toshiba_g450.h"
+#include "debug.h"
+
+#define G450_FORCE_MODEM 0x01
+#define G450_ALLOW_MS 0x02
+
+static unsigned int toshiba_g450_cd = G450_FORCE_MODEM;
+module_param(toshiba_g450_cd, uint, S_IRUGO | S_IWUSR);
+MODULE_PARM_DESC(toshiba_g450_cd, "cd mode (1=Force Modem (default),"
+ " 2=Allow CD-Rom");
+
+#define RESPONSE_LEN 1024
+
+static int toshiba_g450_switchmode(struct us_data *us)
+{
+ const unsigned char switch_msg[] = {
+ 0x55, 0x53, 0x42, 0x43, 0x12, 0x34, 0x56, 0x78,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x06, 0x1b,
+ 0x00, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
+ };
+ char *buffer;
+ int result;
+
+ US_DEBUGP("Toshiba G450: %s", "DEVICE MODE SWITCH\n");
+
+ usb_stor_clear_halt(us, us->send_bulk_pipe);
+
+ buffer = kzalloc(RESPONSE_LEN, GFP_KERNEL);
+ if (buffer == NULL)
+ return USB_STOR_TRANSPORT_ERROR;
+
+ memcpy(buffer, switch_msg, sizeof(switch_msg));
+ result = usb_stor_bulk_transfer_buf(us,
+ us->send_bulk_pipe,
+ buffer, sizeof(switch_msg), NULL);
+ if (result != USB_STOR_XFER_GOOD) {
+ result = USB_STOR_XFER_ERROR;
+ goto out;
+ }
+
+ /* Some of the devices need to be asked for a response, but we don't
+ * care what that response is.
+ */
+ usb_stor_bulk_transfer_buf(us,
+ us->recv_bulk_pipe,
+ buffer, RESPONSE_LEN, NULL);
+
+ result = USB_STOR_XFER_GOOD;
+
+ usb_stor_clear_halt(us, us->send_bulk_pipe);
+out:
+ kfree(buffer);
+ return result;
+}
+
+static int toshiba_g450_inquiry(struct us_data *us)
+{
+ const unsigned char inquiry_msg[] = {
+ 0x55, 0x53, 0x42, 0x43, 0x12, 0x34, 0x56, 0x78,
+ 0x24, 0x00, 0x00, 0x00, 0x80, 0x00, 0x06, 0x12,
+ 0x00, 0x00, 0x00, 0x24, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
+ };
+ char *buffer;
+ int result;
+
+ US_DEBUGP("Toshiba G450: %s", "device inquiry\n");
+
+ buffer = kzalloc(0x24, GFP_KERNEL);
+ if (buffer == NULL)
+ return USB_STOR_TRANSPORT_ERROR;
+
+ memcpy(buffer, inquiry_msg, sizeof(inquiry_msg));
+ result = usb_stor_bulk_transfer_buf(us,
+ us->send_bulk_pipe,
+ buffer, sizeof(inquiry_msg), NULL);
+ if (result != USB_STOR_XFER_GOOD) {
+ result = USB_STOR_XFER_ERROR;
+ goto out;
+ }
+
+ result = usb_stor_bulk_transfer_buf(us,
+ us->recv_bulk_pipe,
+ buffer, 0x24, NULL);
+ if (result != USB_STOR_XFER_GOOD) {
+ result = USB_STOR_XFER_ERROR;
+ goto out;
+ }
+
+ /* Read the CSW */
+ usb_stor_bulk_transfer_buf(us,
+ us->recv_bulk_pipe,
+ buffer, 13, NULL);
+
+out:
+ kfree(buffer);
+ return result;
+}
+
+
+int toshiba_g450_init(struct us_data *us)
+{
+ int result;
+
+ US_DEBUGP("Toshiba G450: toshiba_g450_init called\n");
+
+ /* Additional test for vendor information via INQUIRY,
+ * because some vendor/product IDs are ambiguous
+ */
+ result = toshiba_g450_inquiry(us);
+ if (result != 0) {
+ US_DEBUGP("Toshiba G450: vendor is not Toshiba or not determinable,"
+ " no action taken\n");
+ return 0;
+ } else
+ US_DEBUGP("Toshiba G450: this is a genuine Toshiba device,"
+ " proceeding\n");
+
+ /* Force Modem mode */
+ if (toshiba_g450_cd == G450_FORCE_MODEM) {
+ US_DEBUGP("Toshiba G450: %s", "Forcing Modem Mode\n");
+ result = toshiba_g450_switchmode(us);
+ if (result != USB_STOR_XFER_GOOD) {
+ US_DEBUGP("Toshiba G450: Failed to switch to modem mode.\n");
+ return -EIO;
+ }
+ } else if (toshiba_g450_cd == G450_ALLOW_MS) {
+ /* Allow Mass Storage mode (keep CD-Rom) */
+ US_DEBUGP("Toshiba G450: %s", "Allowing Mass Storage Mode if device"
+ " requests it\n");
+ }
+
+ return 0;
+}
+
diff -Nparu linux-2.6.31.1-old/drivers/usb/storage/toshiba_g450.h linux-2.6.31.1-new/drivers/usb/storage/toshiba_g450.h
--- linux-2.6.31.1-old/drivers/usb/storage/toshiba_g450.h 1970-01-01 01:00:00.000000000 +0100
+++ linux-2.6.31.1-new/drivers/usb/storage/toshiba_g450.h 2009-10-03 00:15:40.000000000 +0200
@@ -0,0 +1,4 @@
+#ifndef _TOSHIBA_G450_H_
+#define _TOSHIBA_G450_H_
+extern int toshiba_g450_init(struct us_data *us);
+#endif
diff -Nparu linux-2.6.31.1-old/drivers/usb/storage/unusual_devs.h linux-2.6.31.1-new/drivers/usb/storage/unusual_devs.h
--- linux-2.6.31.1-old/drivers/usb/storage/unusual_devs.h 2009-10-03 00:14:54.000000000 +0200
+++ linux-2.6.31.1-new/drivers/usb/storage/unusual_devs.h 2009-10-03 00:15:41.000000000 +0200
@@ -1110,6 +1110,13 @@ UNUSUAL_DEV( 0x090c, 0x1132, 0x0000, 0xf
US_SC_DEVICE, US_PR_DEVICE, NULL,
US_FL_FIX_CAPACITY ),
+/* Patch by Peter Magdina <peter@xxxxxxxxxx> */
+UNUSUAL_DEV( 0x0930, 0x0d46, 0x0000, 0x0000,
+ "Toshiba G450",
+ "Mass Storage",
+ US_SC_DEVICE, US_PR_DEVICE, toshiba_g450_init,
+ 0),
+
/* This Pentax still camera is not conformant
* to the USB storage specification: -
* - It does not like the INQUIRY command. So we must handle this command
diff -Nparu linux-2.6.31.1-old/drivers/usb/storage/usb.c linux-2.6.31.1-new/drivers/usb/storage/usb.c
--- linux-2.6.31.1-old/drivers/usb/storage/usb.c 2009-10-03 00:14:54.000000000 +0200
+++ linux-2.6.31.1-new/drivers/usb/storage/usb.c 2009-10-03 00:15:42.000000000 +0200
@@ -68,6 +68,7 @@
#include "sierra_ms.h"
#include "option_ms.h"
+#include "toshiba_g450.h"
/* Some informational data */
MODULE_AUTHOR("Matthew Dharm <mdharm-usb@xxxxxxxxxxxxxxxxxx>");
