udev-165: add corecdp.rules for naming cellular modem ports

The rules add the following device names:

/dev/modemX
  Where X is the number of the interface port on the modem, starting at 0

/dev/modem_atX
  Where X is the number of a valid AT command port, starting at 0

2 files changed, 60 insertions, 1 deletions

diff --git a/multitech/recipes/udev/udev-165/corecdp/corecdp.rules b/multitech/recipes/udev/udev-165/corecdp/corecdp.rules
new file mode 100644
index 0000000..e24c183
--- /dev/null
+++ b/multitech/recipes/udev/udev-165/corecdp/corecdp.rules
@@ -0,0 +1,51 @@
+ACTION=="remove", GOTO="corecdp_end"
+SUBSYSTEM!="tty", GOTO="corecdp_end"
+KERNEL!="ttyUSB[0-9]*|ttyACM[0-9]*|ttyS*", GOTO="corecdp_end"
+
+# use serial port by default, allow USB radios to overwrite link
+KERNEL=="ttyS1", SYMLINK+="modem0", OPTIONS+="link_priority=-1"
+KERNEL=="ttyS1", SYMLINK+="modem_at0", OPTIONS+="link_priority=-1"
+
+SUBSYSTEMS=="usb", ENV{ID_IFACE}="$attr{bInterfaceNumber}"
+ENV{ID_IFACE}=="", GOTO="corecdp_end"
+
+# All modem ports
+# H5
+ATTRS{idVendor}=="1bc7", ATTRS{idProduct}=="0021", ENV{ID_IFACE}=="00", SYMLINK+="modem0"
+ATTRS{idVendor}=="1bc7", ATTRS{idProduct}=="0021", ENV{ID_IFACE}=="02", SYMLINK+="modem1"
+ATTRS{idVendor}=="1bc7", ATTRS{idProduct}=="0021", ENV{ID_IFACE}=="04", SYMLINK+="modem2"
+ATTRS{idVendor}=="1bc7", ATTRS{idProduct}=="0021", ENV{ID_IFACE}=="06", SYMLINK+="modem3"
+ATTRS{idVendor}=="1bc7", ATTRS{idProduct}=="0021", ENV{ID_IFACE}=="08", SYMLINK+="modem4"
+ATTRS{idVendor}=="1bc7", ATTRS{idProduct}=="0021", ENV{ID_IFACE}=="0a", SYMLINK+="modem5"
+ATTRS{idVendor}=="1bc7", ATTRS{idProduct}=="0021", ENV{ID_IFACE}=="0c", SYMLINK+="modem6"
+# EV3
+ATTRS{idVendor}=="1bc7", ATTRS{idProduct}=="1010", ENV{ID_IFACE}=="00", SYMLINK+="modem0"
+ATTRS{idVendor}=="1bc7", ATTRS{idProduct}=="1010", ENV{ID_IFACE}=="01", SYMLINK+="modem1"
+ATTRS{idVendor}=="1bc7", ATTRS{idProduct}=="1010", ENV{ID_IFACE}=="02", SYMLINK+="modem2"
+ATTRS{idVendor}=="1bc7", ATTRS{idProduct}=="1010", ENV{ID_IFACE}=="03", SYMLINK+="modem3"
+# H4
+ATTRS{idVendor}=="1199", ATTRS{idProduct}=="683c", ENV{ID_IFACE}=="00", SYMLINK+="modem0"
+ATTRS{idVendor}=="1199", ATTRS{idProduct}=="683c", ENV{ID_IFACE}=="01", SYMLINK+="modem1"
+ATTRS{idVendor}=="1199", ATTRS{idProduct}=="683c", ENV{ID_IFACE}=="02", SYMLINK+="modem2"
+ATTRS{idVendor}=="1199", ATTRS{idProduct}=="683c", ENV{ID_IFACE}=="03", SYMLINK+="modem3"
+ATTRS{idVendor}=="1199", ATTRS{idProduct}=="683c", ENV{ID_IFACE}=="04", SYMLINK+="modem4"
+ATTRS{idVendor}=="1199", ATTRS{idProduct}=="683c", ENV{ID_IFACE}=="05", SYMLINK+="modem5"
+ATTRS{idVendor}=="1199", ATTRS{idProduct}=="683c", ENV{ID_IFACE}=="06", SYMLINK+="modem6"
+# EV2
+ATTRS{idVendor}=="1199", ATTRS{idProduct}=="0028", SYMLINK+="modem$env{ID_PORT}"
+
+# AT Command ports
+# H5: ttyACM0, ttyACM3
+ATTRS{idVendor}=="1bc7", ATTRS{idProduct}=="0021", ENV{ID_IFACE}=="00", SYMLINK+="modem_at0"
+ATTRS{idVendor}=="1bc7", ATTRS{idProduct}=="0021", ENV{ID_IFACE}=="06", SYMLINK+="modem_at1"
+# EV3: ttyUSB2, ttyUSB3
+ATTRS{idVendor}=="1bc7", ATTRS{idProduct}=="1010", ENV{ID_IFACE}=="02", SYMLINK+="modem_at0"
+ATTRS{idVendor}=="1bc7", ATTRS{idProduct}=="1010", ENV{ID_IFACE}=="03", SYMLINK+="modem_at1"
+# H4: ttyUSB3, ttyUSB4, ttyUSB5
+ATTRS{idVendor}=="1199", ATTRS{idProduct}=="683c", ENV{ID_IFACE}=="03", SYMLINK+="modem_at0"
+ATTRS{idVendor}=="1199", ATTRS{idProduct}=="683c", ENV{ID_IFACE}=="04", SYMLINK+="modem_at1"
+ATTRS{idVendor}=="1199", ATTRS{idProduct}=="683c", ENV{ID_IFACE}=="05", SYMLINK+="modem_at2"
+# EV2: ttyUSB0
+ATTRS{idVendor}=="1199", ATTRS{idProduct}=="0028", ENV{ID_PORT}=="0", SYMLINK+="modem_at0"
+
+LABEL="corecdp_end"
diff --git a/multitech/recipes/udev/udev_165.bbappend b/multitech/recipes/udev/udev_165.bbappend
index 3a98f61..e87ff82 100644
--- a/multitech/recipes/udev/udev_165.bbappend
+++ b/multitech/recipes/udev/udev_165.bbappend
@@ -1,4 +1,12 @@
 FILESEXTRA := "${THISDIR}"
 FILESPATHBASE =. "${FILESEXTRA}:"
 
-PR .= ".corecdp1"
+PR .= ".corecdp2"
+
+# add custom rules for persistent modem device names
+SRC_URI += "file://corecdp.rules"
+
+do_install_append() {
+	install -d ${D}${sysconfdir}/udev/rules.d
+	install -m 644 ${WORKDIR}/corecdp.rules ${D}${sysconfdir}/udev/rules.d/
+}