mirror of
https://github.com/Freescale/meta-freescale-3rdparty.git
synced 2025-07-19 12:09:01 +02:00
017994915c
This new package contains udev rules for the Digi International SOMs and SBCs. It initially contains only rules for the qca6564 Wi-Fi and BT and for the ccimx6ul SOM, but it will get extended to cover other interfaces and SOMs. Signed-off-by: Alex Gonzalez <alex.gonzalez@digi.com>
98 lines
3.0 KiB
Bash
98 lines
3.0 KiB
Bash
#!/bin/sh
|
|
#===============================================================================
|
|
#
|
|
# Copyright (C) 2019 by Digi International Inc.
|
|
# All rights reserved.
|
|
#
|
|
# This program is free software; you can redistribute it and/or modify it
|
|
# under the terms of the GNU General Public License version 2 as published by
|
|
# the Free Software Foundation.
|
|
#
|
|
#
|
|
# !Description: Initialize bluetooth hardware
|
|
#
|
|
#===============================================================================
|
|
|
|
# Bluetooth power GPIO
|
|
BT_EN_QCA_GPIO_NR="137"
|
|
|
|
# set_gpio_value <gpio_nr> <value>
|
|
set_gpio_value() {
|
|
local SG_GPIONR="${1}"
|
|
local SG_GPIOVAL="${2}"
|
|
local SG_GPIOPATH="/sys/class/gpio/gpio${SG_GPIONR}"
|
|
|
|
[ -d "${SG_GPIOPATH}" ] || printf "%s" "${SG_GPIONR}" > /sys/class/gpio/export
|
|
printf out > "${SG_GPIOPATH}/direction" && sleep .2
|
|
printf "${SG_GPIOVAL}" > "${SG_GPIOPATH}/value" && sleep .2
|
|
[ -d "${SG_GPIOPATH}" ] && printf "%s" "${SG_GPIONR}" > /sys/class/gpio/unexport
|
|
}
|
|
|
|
# powercycle_gpio <gpio_nr>
|
|
powercycle_gpio() {
|
|
set_gpio_value "${1}" 0
|
|
set_gpio_value "${1}" 1
|
|
}
|
|
|
|
set_mac_address() {
|
|
# Get MAC address from the device tree. Use a default value if it has not been set.
|
|
BT_MACADDR="$(hexdump -ve '1/1 "%02X" ":"' /proc/device-tree/bluetooth/mac-address 2>/dev/null | sed 's/:$//g')"
|
|
if [ -z "${BT_MACADDR}" ] || [ "${BT_MACADDR}" = "00:00:00:00:00:00" ]; then
|
|
BT_MACADDR="00:04:F3:FF:FF:BB"
|
|
fi
|
|
|
|
# Convert the BT address to the hcitool command format.
|
|
# Example: "00:04:F3:11:22:33" coverted to "33 22 11 F3 04 00"
|
|
HCI_BT_ADDR="$(echo ${BT_MACADDR} | sed -e 's,^\(..\):\(..\):\(..\):\(..\):\(..\):\(..\)$,\6 \5 \4 \3 \2 \1,g')"
|
|
|
|
# Up the interface to be able to send hci commands
|
|
hciconfig hci0 up || echo "Cannot bring up bluetooth interface after initial attach" || exit 1
|
|
|
|
# Set the MAC address
|
|
hcitool -i hci0 cmd 3F 000B 01 02 06 ${HCI_BT_ADDR} > /dev/null || echo "Unable to set BT MAC Address" || exit 1
|
|
|
|
# Bring the interface down/up to apply the MAC change
|
|
hciconfig hci0 down || echo "Cannot bring down bluetooth interface after setting MAC" || exit 1
|
|
hciconfig hci0 up || echo "Cannot bring up bluetooth interface after setting MAC" || exit 1
|
|
|
|
}
|
|
|
|
bluetooth_init() {
|
|
# Start the Bluetooth driver and bring up the interface
|
|
killproc hciattach
|
|
powercycle_gpio "${BT_EN_QCA_GPIO_NR}"
|
|
hciattach ttymxc0 qualcomm 115200 -t3 flow unused > /dev/null 2>&1 || BT_ERROR="FAIL (hciattach)"
|
|
set_mac_address || BT_ERROR="Unable to set MAC address"
|
|
}
|
|
|
|
# Source function library
|
|
. /etc/init.d/functions
|
|
|
|
case "$1" in
|
|
start)
|
|
if [ -d "/proc/device-tree/bluetooth" ]; then
|
|
echo -n "Starting bluetooth hardware: "
|
|
bluetooth_init
|
|
echo "${BT_ERROR:-done.}"
|
|
fi
|
|
;;
|
|
stop)
|
|
if [ -d "/sys/class/bluetooth/hci0" ]; then
|
|
echo -n "Stopping bluetooth hardware: "
|
|
killproc hciattach
|
|
# Power down bluetooth
|
|
set_gpio_value "${BT_EN_QCA_GPIO_NR}" 0
|
|
echo "done."
|
|
fi
|
|
;;
|
|
restart)
|
|
$0 stop
|
|
sleep 1
|
|
$0 start
|
|
;;
|
|
*)
|
|
echo "Usage: $0 {start|stop|restart}"
|
|
exit 1
|
|
;;
|
|
esac
|