Hi,
Whistler TRX serie radio scanners provide 2 USB subclass devices: one
usb mass storage and one serial device.
The problem is USB serial is unusable, as the cdc_acm fails with
error -22.
Enabling the support in the usb_simple_serial driver make it works.
Cheers.
---
Daniel
lsusb -v output:
Bus 003 Device 003: ID 2a59:0012 Whistler Whistler TRX-1e Scanner
Device Descriptor:
bLength 18
bDescriptorType 1
bcdUSB 2.00
bDeviceClass 0
bDeviceSubClass 0
bDeviceProtocol 0
bMaxPacketSize0 8
idVendor 0x2a59
idProduct 0x0012
bcdDevice 0.01
iManufacturer 1 Whistler
iProduct 2 Whistler TRX-1e Scanner
iSerial 0
bNumConfigurations 1
Configuration Descriptor:
bLength 9
bDescriptorType 2
wTotalLength 0x0059
bNumInterfaces 2
bConfigurationValue 1
iConfiguration 2 Whistler TRX-1e Scanner
bmAttributes 0xc0
Self Powered
MaxPower 500mA
Interface Descriptor:
bLength 9
bDescriptorType 4
bInterfaceNumber 0
bAlternateSetting 0
bNumEndpoints 2
bInterfaceClass 8 Mass Storage
bInterfaceSubClass 6 SCSI
bInterfaceProtocol 80 Bulk-Only
iInterface 0
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x81 EP 1 IN
bmAttributes 2
Transfer Type Bulk
Synch Type None
Usage Type Data
wMaxPacketSize 0x0040 1x 64 bytes
bInterval 1
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x01 EP 1 OUT
bmAttributes 2
Transfer Type Bulk
Synch Type None
Usage Type Data
wMaxPacketSize 0x0040 1x 64 bytes
bInterval 1
** UNRECOGNIZED: 08 11 01 02 02 02 01 00
Interface Descriptor:
bLength 9
bDescriptorType 4
bInterfaceNumber 1
bAlternateSetting 0
bNumEndpoints 3
bInterfaceClass 2 Communications
bInterfaceSubClass 2 Abstract (modem)
bInterfaceProtocol 1 AT-commands (v.25ter)
iInterface 0
CDC Header:
bcdCDC 1.10
CDC ACM:
bmCapabilities 0x02
line coding and serial state
CDC Union:
bMasterInterface 0
bSlaveInterface 1
CDC Call Management:
bmCapabilities 0x00
bDataInterface 1
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x82 EP 2 IN
bmAttributes 3
Transfer Type Interrupt
Synch Type None
Usage Type Data
wMaxPacketSize 0x0008 1x 8 bytes
bInterval 2
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x03 EP 3 OUT
bmAttributes 2
Transfer Type Bulk
Synch Type None
Usage Type Data
wMaxPacketSize 0x0040 1x 64 bytes
bInterval 0
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x83 EP 3 IN
bmAttributes 2
Transfer Type Bulk
Synch Type None
Usage Type Data
wMaxPacketSize 0x0040 1x 64 bytes
bInterval 0
Device Status: 0x0000
(Bus Powered)
>From 7f47321863c9dd4827460d65e985633c16efbb0f Mon Sep 17 00:00:00 2001
From: Daniel Caujolle-Bert <f1rmb.daniel@xxxxxxxxx>
Date: Thu, 27 Aug 2020 10:28:52 +0200
Subject: [PATCH] usb-serial-simple: Add Whistler radio scanners TRX serie support.
Whistler's firmware CDC support seems incomplete or buggy, but usb-serial works.
Signed-off-by: Daniel Caujolle-Bert <f1rmb.daniel@xxxxxxxxx>
---
drivers/usb/class/cdc-acm.c | 14 ++++++++++++++
drivers/usb/serial/Kconfig | 1 +
drivers/usb/serial/usb-serial-simple.c | 10 ++++++++++
3 files changed, 25 insertions(+)
diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c
index 991786876dbb..12929f65bcfb 100644
--- a/drivers/usb/class/cdc-acm.c
+++ b/drivers/usb/class/cdc-acm.c
@@ -1915,6 +1915,20 @@ static const struct usb_device_id acm_ids[] = {
.driver_info = SEND_ZERO_PACKET,
},
+ /* Exclude Whistler radio scanners */
+ { USB_DEVICE_INTERFACE_CLASS(0x2a59, 0x0010, USB_CLASS_COMM), /* TRX-1 */
+ .driver_info = IGNORE_DEVICE,
+ },
+ { USB_DEVICE_INTERFACE_CLASS(0x2a59, 0x0011, USB_CLASS_COMM), /* TRX-2 */
+ .driver_info = IGNORE_DEVICE,
+ },
+ { USB_DEVICE_INTERFACE_CLASS(0x2a59, 0x0012, USB_CLASS_COMM), /* TRX-1e */
+ .driver_info = IGNORE_DEVICE,
+ },
+ { USB_DEVICE_INTERFACE_CLASS(0x2a59, 0x0013, USB_CLASS_COMM), /* TRX-2e */
+ .driver_info = IGNORE_DEVICE,
+ },
+
/* control interfaces without any protocol set */
{ USB_INTERFACE_INFO(USB_CLASS_COMM, USB_CDC_SUBCLASS_ACM,
USB_CDC_PROTO_NONE) },
diff --git a/drivers/usb/serial/Kconfig b/drivers/usb/serial/Kconfig
index 4007fa25a8ff..cd23e33c0ea4 100644
--- a/drivers/usb/serial/Kconfig
+++ b/drivers/usb/serial/Kconfig
@@ -71,6 +71,7 @@ config USB_SERIAL_SIMPLE
- ViVOtech ViVOpay USB device.
- Infineon Modem Flashloader USB interface
- ZIO Motherboard USB serial interface
+ - Whistler TRX radio scanners
To compile this driver as a module, choose M here: the module
will be called usb-serial-simple.
diff --git a/drivers/usb/serial/usb-serial-simple.c b/drivers/usb/serial/usb-serial-simple.c
index bd23a7cb1be2..af32a0fc9447 100644
--- a/drivers/usb/serial/usb-serial-simple.c
+++ b/drivers/usb/serial/usb-serial-simple.c
@@ -112,6 +112,14 @@ DEVICE(suunto, SUUNTO_IDS);
{ USB_DEVICE(0x908, 0x0004) }
DEVICE(siemens_mpi, SIEMENS_IDS);
+/* Whistler radio scanners */
+#define WHISTLER_IDS() \
+ { USB_DEVICE_INTERFACE_CLASS(0x2a59, 0x0010, USB_CLASS_COMM) }, /* TRX-1 */ \
+ { USB_DEVICE_INTERFACE_CLASS(0x2a59, 0x0011, USB_CLASS_COMM) }, /* TRX-2 */ \
+ { USB_DEVICE_INTERFACE_CLASS(0x2a59, 0x0012, USB_CLASS_COMM) }, /* TRX-1e */ \
+ { USB_DEVICE_INTERFACE_CLASS(0x2a59, 0x0013, USB_CLASS_COMM) } /* TRX-2e */
+DEVICE(whistler, WHISTLER_IDS);
+
/* All of the above structures mushed into two lists */
static struct usb_serial_driver * const serial_drivers[] = {
&carelink_device,
@@ -127,6 +135,7 @@ static struct usb_serial_driver * const serial_drivers[] = {
&hp4x_device,
&suunto_device,
&siemens_mpi_device,
+ &whistler_device,
NULL
};
@@ -144,6 +153,7 @@ static const struct usb_device_id id_table[] = {
HP4X_IDS(),
SUUNTO_IDS(),
SIEMENS_IDS(),
+ WHISTLER_IDS(),
{ },
};
MODULE_DEVICE_TABLE(usb, id_table);
--
2.25.1
