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7776b6c497afd8fa63e853ce17f6ea007a373996
driver-manager/service.sh
sssnake 7776b6c497 Update to native-first driver model + user build docs 
Confirmed kernel modules on Pixel 10 Pro Fold (rango):
All gamepad drivers native (xpad, hid-playstation, hid-nintendo,
hid-sony, hid-microsoft, hid-logitech, hid-steam, wacom).
SDR uses userspace USB (no kernel modules). WiFi nexmon and
joydev need user-built firmware/modules — documented in
BUILDING_MODULES.md with full instructions.
2026-03-31 07:20:55 -07:00

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#!/system/bin/sh
# Driver Manager - late service
# Manages GPU, WiFi, Bluetooth, SDR, and game controller drivers
#
# Native kernel support confirmed on Pixel 10 Pro Fold (rango):
# GPU: pvrsrvkm (PowerVR DXT-48-1536) — built-in
# WiFi: bcmdhd4390 (Broadcom BCM4390) — built-in
# Bluetooth: btqca, btbcm, bluetooth, rfcomm, hidp — built-in
# Controllers: xpad, hid-playstation, hid-nintendo, hid-sony,
# hid-microsoft, hid-logitech, hid-steam, wacom — all built-in
# USB: usbhid, usb_storage, ftdi_sio, cdc_acm, snd_usb_audio — built-in
# SDR: No kernel DVB/SDR modules — all SDR uses userspace USB via OTG
# (librtlsdr, libhackrf, libairspy talk directly to USB device)
MODDIR=${0%/*}
LOGFILE="$MODDIR/driver-manager.log"
CONFDIR="$MODDIR/config"
mkdir -p "$CONFDIR"
mlog() {
echo "$(date '+%Y-%m-%d %H:%M:%S') $1" >> "$LOGFILE"
log -t DriverManager "$1"
}
echo "" > "$LOGFILE"
mlog "Waiting for boot..."
while [ "$(getprop sys.boot_completed)" != "1" ]; do
sleep 1
done
sleep 3
DEVICE=$(getprop ro.product.device)
SOC=$(getprop ro.soc.model)
PLATFORM=$(getprop ro.board.platform)
API=$(getprop ro.build.version.sdk)
GPU=$(getprop ro.hardware.egl)
mlog "Boot complete. Device=$DEVICE SoC=$SOC Platform=$PLATFORM API=$API GPU=$GPU"
# ============================================================
# GPU — PowerVR DXT-48-1536 (pvrsrvkm, native)
# ============================================================
# Vulkan 1.4, OpenGL ES 3.x, OpenCL 3.0
# Driver: /vendor/lib64/egl/libGLES_powervr.so
# Firmware: /vendor/firmware/powervr/
GPU_MODE=$(cat "$CONFDIR/gpu_mode" 2>/dev/null || echo "performance")
case "$GPU_MODE" in
performance)
resetprop debug.renderengine.backend skiavk
resetprop debug.hwui.renderer skiagl
resetprop debug.hwui.use_hint_manager true
# Request max GPU frequency via thermal hint
echo "max" > /sys/class/powervr/frequency_hint 2>/dev/null
mlog "GPU: performance (Vulkan render, max freq)"
;;
balanced)
resetprop debug.renderengine.backend skiaglthreaded
resetprop debug.hwui.renderer skiagl
echo "auto" > /sys/class/powervr/frequency_hint 2>/dev/null
mlog "GPU: balanced"
;;
powersave)
resetprop debug.renderengine.backend skiagl
resetprop debug.hwui.renderer skiagl
echo "min" > /sys/class/powervr/frequency_hint 2>/dev/null
mlog "GPU: powersave"
;;
compute)
# OpenCL compute priority — CUDA alternative
resetprop vendor.powervr.opencl.allowfp16 1
resetprop vendor.powervr.opencl.profiling 1
echo "max" > /sys/class/powervr/frequency_hint 2>/dev/null
mlog "GPU: compute (OpenCL 3.0, FP16 enabled)"
;;
esac
# Updatable GPU driver — Pixel 10 supports Game Update Pack
# v25.1+ brings Vulkan 1.4 and major perf improvements over v24.3
resetprop ro.gfx.driver.1 com.google.pixel.powervr.gfxdriver
mlog "GPU driver: PowerVR DXT-48-1536 (pvrsrvkm native)"
# ============================================================
# WIFI — BCM4390 (bcmdhd4390, native)
# ============================================================
# Capabilities: Wi-Fi 7, WFD R2, P2P, VHT, DFS
# Firmware: /vendor/firmware/fw_bcmdhd4390.bin
WIFI_MODE=$(cat "$CONFDIR/wifi_mode" 2>/dev/null || echo "standard")
case "$WIFI_MODE" in
standard)
resetprop wifi.direct.interface p2p-dev-wlan0
resetprop wifi.direct.go_intent 15
mlog "WiFi: standard (P2P enabled)"
;;
monitor)
# BCM4390 monitor mode via nexmon firmware patch
if [ -f "$MODDIR/firmware/fw_bcm4390_monitor.bin" ]; then
# Back up stock firmware on first use
if [ ! -f "$MODDIR/firmware/fw_bcm4390_stock.bin" ]; then
cp /vendor/firmware/fw_bcmdhd4390.bin "$MODDIR/firmware/fw_bcm4390_stock.bin"
mlog "WiFi: backed up stock firmware"
fi
cp "$MODDIR/firmware/fw_bcm4390_monitor.bin" /vendor/firmware/fw_bcmdhd4390.bin
# Reload driver
echo 1 > /sys/module/bcmdhd4390/parameters/reload 2>/dev/null
mlog "WiFi: monitor mode (nexmon firmware loaded)"
else
mlog "WiFi: monitor mode requested — nexmon firmware not found"
mlog "WiFi: see BUILDING_MODULES.md for instructions"
fi
;;
injection)
if [ -f "$MODDIR/firmware/fw_bcm4390_injection.bin" ]; then
if [ ! -f "$MODDIR/firmware/fw_bcm4390_stock.bin" ]; then
cp /vendor/firmware/fw_bcmdhd4390.bin "$MODDIR/firmware/fw_bcm4390_stock.bin"
fi
cp "$MODDIR/firmware/fw_bcm4390_injection.bin" /vendor/firmware/fw_bcmdhd4390.bin
echo 1 > /sys/module/bcmdhd4390/parameters/reload 2>/dev/null
mlog "WiFi: injection mode (nexmon firmware loaded)"
else
mlog "WiFi: injection requested — nexmon firmware not found"
mlog "WiFi: see BUILDING_MODULES.md for instructions"
fi
;;
restore)
# Restore stock firmware
if [ -f "$MODDIR/firmware/fw_bcm4390_stock.bin" ]; then
cp "$MODDIR/firmware/fw_bcm4390_stock.bin" /vendor/firmware/fw_bcmdhd4390.bin
echo 1 > /sys/module/bcmdhd4390/parameters/reload 2>/dev/null
mlog "WiFi: stock firmware restored"
fi
echo "standard" > "$CONFDIR/wifi_mode"
mlog "WiFi: restored to standard"
;;
esac
# ============================================================
# BLUETOOTH — QCA + BCM (btqca, btbcm, native)
# ============================================================
# rfcomm, hidp, bluetooth all built into kernel
BT_MODE=$(cat "$CONFDIR/bt_mode" 2>/dev/null || echo "standard")
case "$BT_MODE" in
standard)
resetprop bluetooth.profile.a2dp.source.enabled true
resetprop bluetooth.profile.hfp.ag.enabled true
resetprop bluetooth.profile.hid.host.enabled true
resetprop bluetooth.profile.pan.nap.enabled true
mlog "BT: standard"
;;
pentest)
# All profiles enabled, raw HCI access
resetprop bluetooth.profile.a2dp.source.enabled true
resetprop bluetooth.profile.hfp.ag.enabled true
resetprop bluetooth.profile.hid.host.enabled true
resetprop bluetooth.profile.hid.device.enabled true
resetprop bluetooth.profile.pan.nap.enabled true
resetprop bluetooth.profile.opp.enabled true
resetprop bluetooth.le.disable_apcf_extended_features 0
# Allow BLE scan without location
resetprop bluetooth.le.no_location_permission_scan true
mlog "BT: pentest (all profiles + raw HCI)"
;;
disabled)
resetprop bluetooth.profile.a2dp.source.enabled false
resetprop bluetooth.profile.hfp.ag.enabled false
resetprop bluetooth.profile.hid.host.enabled false
mlog "BT: disabled"
;;
esac
# ============================================================
# SDR — Userspace USB (no kernel modules needed)
# ============================================================
# RTL-SDR, HackRF, Airspy, LimeSDR all use userspace USB libs
# Android apps (SDR Touch, RF Analyzer) or Termux tools
# (rtl_sdr, hackrf_transfer, etc.) talk directly to USB device.
#
# The kernel has NO DVB/RTL-SDR modules compiled in, so there's
# no DVB-T vs SDR conflict to manage — it's always userspace.
#
# What we DO manage: USB device permissions and decoder processes
SDR_MODE=$(cat "$CONFDIR/sdr_mode" 2>/dev/null || echo "sdr")
# Ensure USB OTG is enabled for SDR dongles
resetprop persist.sys.usb.otg 1
# Set USB device permissions for known SDR hardware
# This runs udev-style permission fixing for USB devices
fix_sdr_permissions() {
# Find USB devices by vendor:product and chmod them
for dev in /dev/bus/usb/*/*; do
[ -e "$dev" ] || continue
# Read vendor/product from sysfs
USBDEV=$(readlink -f "$dev" 2>/dev/null)
VENDOR=$(cat "$(dirname "$USBDEV")/idVendor" 2>/dev/null)
PRODUCT=$(cat "$(dirname "$USBDEV")/idProduct" 2>/dev/null)
case "$VENDOR:$PRODUCT" in
0bda:2832|0bda:2838|0bda:2840) # RTL-SDR v1-v4
chmod 666 "$dev" 2>/dev/null
mlog "SDR USB: RTL-SDR at $dev"
;;
1d50:6089) # HackRF One
chmod 666 "$dev" 2>/dev/null
mlog "SDR USB: HackRF at $dev"
;;
1d50:60a1) # Airspy
chmod 666 "$dev" 2>/dev/null
mlog "SDR USB: Airspy at $dev"
;;
1d50:6108) # Airspy HF+
chmod 666 "$dev" 2>/dev/null
mlog "SDR USB: Airspy HF+ at $dev"
;;
0403:6014|04b4:00f3) # LimeSDR (FTDI/Cypress)
chmod 666 "$dev" 2>/dev/null
mlog "SDR USB: LimeSDR at $dev"
;;
1df7:2500|1df7:3020) # SDRplay RSP1/RSP2
chmod 666 "$dev" 2>/dev/null
mlog "SDR USB: SDRplay at $dev"
;;
esac
done
}
fix_sdr_permissions
case "$SDR_MODE" in
sdr)
mlog "SDR: scanner mode (userspace USB, all devices)"
;;
dvbt)
# DVB-T mode — uses same USB device but with DVB-T app
# No kernel module switching needed; app handles the protocol
mlog "SDR: DVB-T mode (userspace, Aerial TV or similar app)"
;;
hackrf)
mlog "SDR: HackRF TX/RX mode (userspace USB)"
;;
off)
mlog "SDR: off"
;;
esac
# SDR decoder management
DECODER_MODE=$(cat "$CONFDIR/decoder_mode" 2>/dev/null || echo "off")
TERMUX_BIN="/data/data/com.termux/files/usr/bin"
case "$DECODER_MODE" in
adsb)
if [ -x "$TERMUX_BIN/rtl_adsb" ]; then
"$TERMUX_BIN/rtl_adsb" > "$MODDIR/adsb_output.txt" 2>/dev/null &
mlog "Decoder: ADS-B started via Termux (1090 MHz)"
else
mlog "Decoder: ADS-B requested — install rtl-sdr in Termux"
fi
;;
fm)
FREQ=$(cat "$CONFDIR/fm_freq" 2>/dev/null || echo "100.0M")
if [ -x "$TERMUX_BIN/rtl_fm" ]; then
"$TERMUX_BIN/rtl_fm" -f "$FREQ" -M wbfm -s 200000 -r 48000 - 2>/dev/null | \
"$TERMUX_BIN/aplay" -r 48000 -f S16_LE -t raw -c 1 2>/dev/null &
mlog "Decoder: FM radio ($FREQ) via Termux"
else
mlog "Decoder: FM requested — install rtl-sdr in Termux"
fi
;;
spectrum)
RANGE=$(cat "$CONFDIR/spectrum_range" 2>/dev/null || echo "24M:1800M")
if [ -x "$TERMUX_BIN/rtl_power" ]; then
"$TERMUX_BIN/rtl_power" -f "$RANGE" -g 50 -i 1 "$MODDIR/spectrum_data.csv" 2>/dev/null &
mlog "Decoder: spectrum scan ($RANGE) via Termux"
else
mlog "Decoder: spectrum requested — install rtl-sdr in Termux"
fi
;;
off)
# Kill any running decoders
pkill -f rtl_adsb 2>/dev/null
pkill -f rtl_fm 2>/dev/null
pkill -f rtl_power 2>/dev/null
mlog "Decoder: off"
;;
esac
# ============================================================
# GAME CONTROLLERS — All native, all built into kernel
# ============================================================
# xpad (Xbox) — CONFIG_JOYSTICK_XPAD=y
# hid-playstation (PS5 DualSense, PS4 DualShock) — built-in
# hid-nintendo (Switch Pro, Joy-Con) — built-in
# hid-sony (PS3 Sixaxis, PS4 DS4) — built-in
# hid-microsoft (Xbox One BT) — built-in
# hid-logitech + hidpp (F310, F710, etc.) — built-in
# hid-steam (Steam Controller) — built-in
# wacom (drawing tablets) — built-in
# hid-generic (8BitDo, generic HID gamepads) — built-in
#
# NOTE: CONFIG_INPUT_JOYDEV is NOT set, so /dev/input/jsX
# does not exist. Games use /dev/input/eventX via evdev instead,
# which is standard on Android. Apps that need joydev will need
# a custom kernel — see BUILDING_MODULES.md
GAMEPAD_MODE=$(cat "$CONFDIR/gamepad_mode" 2>/dev/null || echo "auto")
case "$GAMEPAD_MODE" in
auto)
# All controllers already supported natively
# Just ensure the HID input prop is set
resetprop input.gamepad.enabled true
mlog "Controllers: auto (xpad, hid-playstation, hid-nintendo, hid-sony, hid-microsoft, hid-logitech, hid-steam, wacom — all native)"
;;
off)
mlog "Controllers: off (native drivers still loaded, cannot unload built-in)"
;;
esac
mlog "Driver Manager service complete"
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