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Subject[028/123] USB: Exposing second ACM channel as tty for Nokia S60 phones.
From: Adrian Taylor <aat@realvnc.com>

commit c1479a92cf0a7792298d364e44a781550621cb58 upstream.

Nokia S60 phones expose two ACM channels. The first is a modem and is picked
up by the standard AT-command interface information in the CDC-ACM driver. The
second is marked as having a vendor-specific protocol. Normally, we don't
expose those as ttys. (On some other devices, they may be claimed by the
rndis_host driver and used as a network interface).

But on S60 this second ACM channel is the way that third-party S60 application
developers are expected to communicate over USB. It acts as a serial device
at the S60 end, and so it should on Linux too.

The list of devices is largely derived from:
http://wiki.forum.nokia.com/index.php/S60_Platform_and_device_identification_codes
http://wiki.forum.nokia.com/index.php/Nokia_USB_Product_IDs
and includes only the S60 3rd Edition+ devices documented there.

There are many devices for which the USB device ID is not documented,
including:
Nokia 6290
Nokia E63
Nokia 5630 XpressMusic
Nokia 5730 XpressMusic
Nokia 6710 Navigator
Nokia 6720 classic
Nokia 6730 Classic
Nokia 6760 slide
Nokia 6790 slide
Nokia 6790 Surge
Nokia E52
Nokia E55
Nokia E71x (AT&T)
Nokia E72
Nokia E75
Nokia E75 US+LTA variant
Nokia N79
Nokia N86 8MP
Nokia 5230 (RM-588)
Nokia 5230 (RM-594)
Nokia 5530 XpressMusic
Nokia 5530 XpressMusic (china)
Nokia 5800 XM
Nokia N97 (RM-506)
Nokia N97 mini
Nokia X6
It would be good to add those subsequently.

Signed-off-by: Adrian Taylor <aat@realvnc.com>
Acked-by: Oliver Neukum <oliver@neukum.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

---
drivers/usb/class/cdc-acm.c | 58 +++++++++++++++++++++++++++++++++++++++++++-
1 file changed, 57 insertions(+), 1 deletion(-)

--- a/drivers/usb/class/cdc-acm.c
+++ b/drivers/usb/class/cdc-acm.c
@@ -1464,6 +1464,12 @@ err_out:
}

#endif /* CONFIG_PM */
+
+#define NOKIA_PCSUITE_ACM_INFO(x) \
+ USB_DEVICE_AND_INTERFACE_INFO(0x0421, x, \
+ USB_CLASS_COMM, USB_CDC_SUBCLASS_ACM, \
+ USB_CDC_ACM_PROTO_VENDOR)
+
/*
* USB driver structure.
*/
@@ -1522,6 +1528,57 @@ static struct usb_device_id acm_ids[] =
.driver_info = NO_UNION_NORMAL, /* reports zero length descriptor */
},

+ /* Nokia S60 phones expose two ACM channels. The first is
+ * a modem and is picked up by the standard AT-command
+ * information below. The second is 'vendor-specific' but
+ * is treated as a serial device at the S60 end, so we want
+ * to expose it on Linux too. */
+ { NOKIA_PCSUITE_ACM_INFO(0x042D), }, /* Nokia 3250 */
+ { NOKIA_PCSUITE_ACM_INFO(0x04D8), }, /* Nokia 5500 Sport */
+ { NOKIA_PCSUITE_ACM_INFO(0x04C9), }, /* Nokia E50 */
+ { NOKIA_PCSUITE_ACM_INFO(0x0419), }, /* Nokia E60 */
+ { NOKIA_PCSUITE_ACM_INFO(0x044D), }, /* Nokia E61 */
+ { NOKIA_PCSUITE_ACM_INFO(0x0001), }, /* Nokia E61i */
+ { NOKIA_PCSUITE_ACM_INFO(0x0475), }, /* Nokia E62 */
+ { NOKIA_PCSUITE_ACM_INFO(0x0508), }, /* Nokia E65 */
+ { NOKIA_PCSUITE_ACM_INFO(0x0418), }, /* Nokia E70 */
+ { NOKIA_PCSUITE_ACM_INFO(0x0425), }, /* Nokia N71 */
+ { NOKIA_PCSUITE_ACM_INFO(0x0486), }, /* Nokia N73 */
+ { NOKIA_PCSUITE_ACM_INFO(0x04DF), }, /* Nokia N75 */
+ { NOKIA_PCSUITE_ACM_INFO(0x000e), }, /* Nokia N77 */
+ { NOKIA_PCSUITE_ACM_INFO(0x0445), }, /* Nokia N80 */
+ { NOKIA_PCSUITE_ACM_INFO(0x042F), }, /* Nokia N91 & N91 8GB */
+ { NOKIA_PCSUITE_ACM_INFO(0x048E), }, /* Nokia N92 */
+ { NOKIA_PCSUITE_ACM_INFO(0x0420), }, /* Nokia N93 */
+ { NOKIA_PCSUITE_ACM_INFO(0x04E6), }, /* Nokia N93i */
+ { NOKIA_PCSUITE_ACM_INFO(0x04B2), }, /* Nokia 5700 XpressMusic */
+ { NOKIA_PCSUITE_ACM_INFO(0x0134), }, /* Nokia 6110 Navigator (China) */
+ { NOKIA_PCSUITE_ACM_INFO(0x046E), }, /* Nokia 6110 Navigator */
+ { NOKIA_PCSUITE_ACM_INFO(0x002f), }, /* Nokia 6120 classic & */
+ { NOKIA_PCSUITE_ACM_INFO(0x0088), }, /* Nokia 6121 classic */
+ { NOKIA_PCSUITE_ACM_INFO(0x00fc), }, /* Nokia 6124 classic */
+ { NOKIA_PCSUITE_ACM_INFO(0x0042), }, /* Nokia E51 */
+ { NOKIA_PCSUITE_ACM_INFO(0x00b0), }, /* Nokia E66 */
+ { NOKIA_PCSUITE_ACM_INFO(0x00ab), }, /* Nokia E71 */
+ { NOKIA_PCSUITE_ACM_INFO(0x0481), }, /* Nokia N76 */
+ { NOKIA_PCSUITE_ACM_INFO(0x0007), }, /* Nokia N81 & N81 8GB */
+ { NOKIA_PCSUITE_ACM_INFO(0x0071), }, /* Nokia N82 */
+ { NOKIA_PCSUITE_ACM_INFO(0x04F0), }, /* Nokia N95 & N95-3 NAM */
+ { NOKIA_PCSUITE_ACM_INFO(0x0070), }, /* Nokia N95 8GB */
+ { NOKIA_PCSUITE_ACM_INFO(0x00e9), }, /* Nokia 5320 XpressMusic */
+ { NOKIA_PCSUITE_ACM_INFO(0x0099), }, /* Nokia 6210 Navigator, RM-367 */
+ { NOKIA_PCSUITE_ACM_INFO(0x0128), }, /* Nokia 6210 Navigator, RM-419 */
+ { NOKIA_PCSUITE_ACM_INFO(0x008f), }, /* Nokia 6220 Classic */
+ { NOKIA_PCSUITE_ACM_INFO(0x00a0), }, /* Nokia 6650 */
+ { NOKIA_PCSUITE_ACM_INFO(0x007b), }, /* Nokia N78 */
+ { NOKIA_PCSUITE_ACM_INFO(0x0094), }, /* Nokia N85 */
+ { NOKIA_PCSUITE_ACM_INFO(0x003a), }, /* Nokia N96 & N96-3 */
+ { NOKIA_PCSUITE_ACM_INFO(0x00e9), }, /* Nokia 5320 XpressMusic */
+ { NOKIA_PCSUITE_ACM_INFO(0x0108), }, /* Nokia 5320 XpressMusic 2G */
+ { NOKIA_PCSUITE_ACM_INFO(0x01f5), }, /* Nokia N97, RM-505 */
+
+ /* NOTE: non-Nokia COMM/ACM/0xff is likely MSFT RNDIS... NOT a modem! */
+
/* control interfaces with various AT-command sets */
{ USB_INTERFACE_INFO(USB_CLASS_COMM, USB_CDC_SUBCLASS_ACM,
USB_CDC_ACM_PROTO_AT_V25TER) },
@@ -1536,7 +1593,6 @@ static struct usb_device_id acm_ids[] =
{ USB_INTERFACE_INFO(USB_CLASS_COMM, USB_CDC_SUBCLASS_ACM,
USB_CDC_ACM_PROTO_AT_CDMA) },

- /* NOTE: COMM/ACM/0xff is likely MSFT RNDIS ... NOT a modem!! */
{ }
};




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