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Diffstat (limited to 'drivers/usb/serial/option.c')
-rw-r--r--drivers/usb/serial/option.c125
1 files changed, 114 insertions, 11 deletions
diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c
index 6e94a6711f08..ca9d866672aa 100644
--- a/drivers/usb/serial/option.c
+++ b/drivers/usb/serial/option.c
@@ -37,6 +37,7 @@
#include <linux/errno.h>
#include <linux/tty.h>
#include <linux/tty_flip.h>
+#include <linux/slab.h>
#include <linux/module.h>
#include <linux/bitops.h>
#include <linux/usb.h>
@@ -288,7 +289,9 @@ static int option_resume(struct usb_serial *serial);
#define QUALCOMM_VENDOR_ID 0x05C6
-#define MAXON_VENDOR_ID 0x16d8
+#define CMOTECH_VENDOR_ID 0x16d8
+#define CMOTECH_PRODUCT_6008 0x6008
+#define CMOTECH_PRODUCT_6280 0x6280
#define TELIT_VENDOR_ID 0x1bc7
#define TELIT_PRODUCT_UC864E 0x1003
@@ -309,6 +312,7 @@ static int option_resume(struct usb_serial *serial);
#define DLINK_VENDOR_ID 0x1186
#define DLINK_PRODUCT_DWM_652 0x3e04
#define DLINK_PRODUCT_DWM_652_U5 0xce16
+#define DLINK_PRODUCT_DWM_652_U5A 0xce1e
#define QISDA_VENDOR_ID 0x1da5
#define QISDA_PRODUCT_H21_4512 0x4512
@@ -332,19 +336,64 @@ static int option_resume(struct usb_serial *serial);
#define ALCATEL_VENDOR_ID 0x1bbb
#define ALCATEL_PRODUCT_X060S 0x0000
+#define PIRELLI_VENDOR_ID 0x1266
+#define PIRELLI_PRODUCT_C100_1 0x1002
+#define PIRELLI_PRODUCT_C100_2 0x1003
+#define PIRELLI_PRODUCT_1004 0x1004
+#define PIRELLI_PRODUCT_1005 0x1005
+#define PIRELLI_PRODUCT_1006 0x1006
+#define PIRELLI_PRODUCT_1007 0x1007
+#define PIRELLI_PRODUCT_1008 0x1008
+#define PIRELLI_PRODUCT_1009 0x1009
+#define PIRELLI_PRODUCT_100A 0x100a
+#define PIRELLI_PRODUCT_100B 0x100b
+#define PIRELLI_PRODUCT_100C 0x100c
+#define PIRELLI_PRODUCT_100D 0x100d
+#define PIRELLI_PRODUCT_100E 0x100e
+#define PIRELLI_PRODUCT_100F 0x100f
+#define PIRELLI_PRODUCT_1011 0x1011
+#define PIRELLI_PRODUCT_1012 0x1012
+
/* Airplus products */
#define AIRPLUS_VENDOR_ID 0x1011
#define AIRPLUS_PRODUCT_MCD650 0x3198
+/* Longcheer/Longsung vendor ID; makes whitelabel devices that
+ * many other vendors like 4G Systems, Alcatel, ChinaBird,
+ * Mobidata, etc sell under their own brand names.
+ */
+#define LONGCHEER_VENDOR_ID 0x1c9e
+
/* 4G Systems products */
-#define FOUR_G_SYSTEMS_VENDOR_ID 0x1c9e
+/* This is the 4G XS Stick W14 a.k.a. Mobilcom Debitel Surf-Stick *
+ * It seems to contain a Qualcomm QSC6240/6290 chipset */
#define FOUR_G_SYSTEMS_PRODUCT_W14 0x9603
/* Haier products */
#define HAIER_VENDOR_ID 0x201e
#define HAIER_PRODUCT_CE100 0x2009
-static struct usb_device_id option_ids[] = {
+/* some devices interfaces need special handling due to a number of reasons */
+enum option_blacklist_reason {
+ OPTION_BLACKLIST_NONE = 0,
+ OPTION_BLACKLIST_SENDSETUP = 1,
+ OPTION_BLACKLIST_RESERVED_IF = 2
+};
+
+struct option_blacklist_info {
+ const u32 infolen; /* number of interface numbers on blacklist */
+ const u8 *ifaceinfo; /* pointer to the array holding the numbers */
+ enum option_blacklist_reason reason;
+};
+
+static const u8 four_g_w14_no_sendsetup[] = { 0, 1 };
+static const struct option_blacklist_info four_g_w14_blacklist = {
+ .infolen = ARRAY_SIZE(four_g_w14_no_sendsetup),
+ .ifaceinfo = four_g_w14_no_sendsetup,
+ .reason = OPTION_BLACKLIST_SENDSETUP
+};
+
+static const struct usb_device_id option_ids[] = {
{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_COLT) },
{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_RICOLA) },
{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_RICOLA_LIGHT) },
@@ -520,7 +569,8 @@ static struct usb_device_id option_ids[] = {
{ USB_DEVICE(KYOCERA_VENDOR_ID, KYOCERA_PRODUCT_KPC680) },
{ USB_DEVICE(QUALCOMM_VENDOR_ID, 0x6000)}, /* ZTE AC8700 */
{ USB_DEVICE(QUALCOMM_VENDOR_ID, 0x6613)}, /* Onda H600/ZTE MF330 */
- { USB_DEVICE(MAXON_VENDOR_ID, 0x6280) }, /* BP3-USB & BP3-EXT HSDPA */
+ { USB_DEVICE(CMOTECH_VENDOR_ID, CMOTECH_PRODUCT_6280) }, /* BP3-USB & BP3-EXT HSDPA */
+ { USB_DEVICE(CMOTECH_VENDOR_ID, CMOTECH_PRODUCT_6008) },
{ USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_UC864E) },
{ USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_UC864G) },
{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, ZTE_PRODUCT_MF622, 0xff, 0xff, 0xff) }, /* ZTE WCDMA products */
@@ -632,6 +682,7 @@ static struct usb_device_id option_ids[] = {
{ USB_DEVICE(BENQ_VENDOR_ID, BENQ_PRODUCT_H10) },
{ USB_DEVICE(DLINK_VENDOR_ID, DLINK_PRODUCT_DWM_652) },
{ USB_DEVICE(ALINK_VENDOR_ID, DLINK_PRODUCT_DWM_652_U5) }, /* Yes, ALINK_VENDOR_ID */
+ { USB_DEVICE(ALINK_VENDOR_ID, DLINK_PRODUCT_DWM_652_U5A) },
{ USB_DEVICE(QISDA_VENDOR_ID, QISDA_PRODUCT_H21_4512) },
{ USB_DEVICE(QISDA_VENDOR_ID, QISDA_PRODUCT_H21_4523) },
{ USB_DEVICE(QISDA_VENDOR_ID, QISDA_PRODUCT_H20_4515) },
@@ -639,13 +690,32 @@ static struct usb_device_id option_ids[] = {
{ 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(ALINK_VENDOR_ID, 0xce16) },
{ USB_DEVICE_AND_INTERFACE_INFO(ALINK_VENDOR_ID, ALINK_PRODUCT_3GU, 0xff, 0xff, 0xff) },
{ USB_DEVICE(ALCATEL_VENDOR_ID, ALCATEL_PRODUCT_X060S) },
{ USB_DEVICE(AIRPLUS_VENDOR_ID, AIRPLUS_PRODUCT_MCD650) },
{ USB_DEVICE(TLAYTECH_VENDOR_ID, TLAYTECH_PRODUCT_TEU800) },
- { USB_DEVICE(FOUR_G_SYSTEMS_VENDOR_ID, FOUR_G_SYSTEMS_PRODUCT_W14) },
+ { USB_DEVICE(LONGCHEER_VENDOR_ID, FOUR_G_SYSTEMS_PRODUCT_W14),
+ .driver_info = (kernel_ulong_t)&four_g_w14_blacklist
+ },
{ USB_DEVICE(HAIER_VENDOR_ID, HAIER_PRODUCT_CE100) },
+ /* Pirelli */
+ { USB_DEVICE(PIRELLI_VENDOR_ID, PIRELLI_PRODUCT_C100_1)},
+ { USB_DEVICE(PIRELLI_VENDOR_ID, PIRELLI_PRODUCT_C100_2)},
+ { USB_DEVICE(PIRELLI_VENDOR_ID, PIRELLI_PRODUCT_1004)},
+ { USB_DEVICE(PIRELLI_VENDOR_ID, PIRELLI_PRODUCT_1005)},
+ { USB_DEVICE(PIRELLI_VENDOR_ID, PIRELLI_PRODUCT_1006)},
+ { USB_DEVICE(PIRELLI_VENDOR_ID, PIRELLI_PRODUCT_1007)},
+ { USB_DEVICE(PIRELLI_VENDOR_ID, PIRELLI_PRODUCT_1008)},
+ { USB_DEVICE(PIRELLI_VENDOR_ID, PIRELLI_PRODUCT_1009)},
+ { USB_DEVICE(PIRELLI_VENDOR_ID, PIRELLI_PRODUCT_100A)},
+ { USB_DEVICE(PIRELLI_VENDOR_ID, PIRELLI_PRODUCT_100B) },
+ { USB_DEVICE(PIRELLI_VENDOR_ID, PIRELLI_PRODUCT_100C) },
+ { USB_DEVICE(PIRELLI_VENDOR_ID, PIRELLI_PRODUCT_100D) },
+ { USB_DEVICE(PIRELLI_VENDOR_ID, PIRELLI_PRODUCT_100E) },
+ { USB_DEVICE(PIRELLI_VENDOR_ID, PIRELLI_PRODUCT_100F) },
+ { USB_DEVICE(PIRELLI_VENDOR_ID, PIRELLI_PRODUCT_1011)},
+ { USB_DEVICE(PIRELLI_VENDOR_ID, PIRELLI_PRODUCT_1012)},
+
{ } /* Terminating entry */
};
MODULE_DEVICE_TABLE(usb, option_ids);
@@ -709,6 +779,7 @@ struct option_intf_private {
spinlock_t susp_lock;
unsigned int suspended:1;
int in_flight;
+ struct option_blacklist_info *blacklist_info;
};
struct option_port_private {
@@ -768,19 +839,44 @@ static int option_probe(struct usb_serial *serial,
const struct usb_device_id *id)
{
struct option_intf_private *data;
+
/* D-Link DWM 652 still exposes CD-Rom emulation interface in modem mode */
if (serial->dev->descriptor.idVendor == DLINK_VENDOR_ID &&
serial->dev->descriptor.idProduct == DLINK_PRODUCT_DWM_652 &&
serial->interface->cur_altsetting->desc.bInterfaceClass == 0x8)
return -ENODEV;
+ /* Bandrich modem and AT command interface is 0xff */
+ if ((serial->dev->descriptor.idVendor == BANDRICH_VENDOR_ID ||
+ serial->dev->descriptor.idVendor == PIRELLI_VENDOR_ID) &&
+ serial->interface->cur_altsetting->desc.bInterfaceClass != 0xff)
+ return -ENODEV;
+
data = serial->private = kzalloc(sizeof(struct option_intf_private), GFP_KERNEL);
if (!data)
return -ENOMEM;
spin_lock_init(&data->susp_lock);
+ data->blacklist_info = (struct option_blacklist_info*) id->driver_info;
return 0;
}
+static enum option_blacklist_reason is_blacklisted(const u8 ifnum,
+ const struct option_blacklist_info *blacklist)
+{
+ const u8 *info;
+ int i;
+
+ if (blacklist) {
+ info = blacklist->ifaceinfo;
+
+ for (i = 0; i < blacklist->infolen; i++) {
+ if (info[i] == ifnum)
+ return blacklist->reason;
+ }
+ }
+ return OPTION_BLACKLIST_NONE;
+}
+
static void option_set_termios(struct tty_struct *tty,
struct usb_serial_port *port, struct ktermios *old_termios)
{
@@ -921,7 +1017,6 @@ static void option_indat_callback(struct urb *urb)
} else {
tty = tty_port_tty_get(&port->port);
if (urb->actual_length) {
- tty_buffer_request_room(tty, urb->actual_length);
tty_insert_flip_string(tty, data, urb->actual_length);
tty_flip_buffer_push(tty);
} else
@@ -929,9 +1024,9 @@ static void option_indat_callback(struct urb *urb)
tty_kref_put(tty);
/* Resubmit urb so we continue receiving */
- if (port->port.count && status != -ESHUTDOWN) {
+ if (status != -ESHUTDOWN) {
err = usb_submit_urb(urb, GFP_ATOMIC);
- if (err)
+ if (err && err != -EPERM)
printk(KERN_ERR "%s: resubmit read urb failed. "
"(%d)", __func__, err);
else
@@ -985,7 +1080,7 @@ static void option_instat_callback(struct urb *urb)
(struct usb_ctrlrequest *)urb->transfer_buffer;
if (!req_pkt) {
- dbg("%s: NULL req_pkt\n", __func__);
+ dbg("%s: NULL req_pkt", __func__);
return;
}
if ((req_pkt->bRequestType == 0xA1) &&
@@ -1211,11 +1306,19 @@ static void option_setup_urbs(struct usb_serial *serial)
static int option_send_setup(struct usb_serial_port *port)
{
struct usb_serial *serial = port->serial;
+ struct option_intf_private *intfdata =
+ (struct option_intf_private *) serial->private;
struct option_port_private *portdata;
int ifNum = serial->interface->cur_altsetting->desc.bInterfaceNumber;
int val = 0;
dbg("%s", __func__);
+ if (is_blacklisted(ifNum, intfdata->blacklist_info) ==
+ OPTION_BLACKLIST_SENDSETUP) {
+ dbg("No send_setup on blacklisted interface #%d\n", ifNum);
+ return -EIO;
+ }
+
portdata = usb_get_serial_port_data(port);
if (portdata->dtr_state)
@@ -1401,7 +1504,7 @@ static int option_resume(struct usb_serial *serial)
for (i = 0; i < serial->num_ports; i++) {
port = serial->port[i];
if (!port->interrupt_in_urb) {
- dbg("%s: No interrupt URB for port %d\n", __func__, i);
+ dbg("%s: No interrupt URB for port %d", __func__, i);
continue;
}
err = usb_submit_urb(port->interrupt_in_urb, GFP_NOIO);
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