| #!/bin/bash |
| |
| # Copyright 2022 The ChromiumOS Authors |
| # Use of this source code is governed by a BSD-style license that can be |
| # found in the LICENSE file. |
| |
| # shellcheck source=../../../scripts/lib/shflags/shflags |
| . /usr/share/misc/shflags |
| |
| # shellcheck source=../common/scripts/chromeos-touch-common.sh |
| . /opt/google/touch/scripts/chromeos-touch-common.sh |
| |
| DEFINE_string 'dev_name' '' 'device name' 'd' |
| DEFINE_string 'dev_i2c_path' '' 'device i2c path' 'p' |
| DEFINE_string 'dev_pid' '' 'device pid' 'i' |
| |
| NVT_BRIDGE_PID='F7FC' |
| NVT_TS_FW_PATH_BASE='/lib/firmware/nvt_ts' |
| NVT_BRIDGE_FW_PATH_BASE='/lib/firmware/nvt_bridge' |
| NVT_TS_FW_UPDATE_USER='fwupdate-hidraw' |
| NVT_TS_FW_UPDATE_GROUP='fwupdate-hidraw' |
| NVT_TOUCHSCREEN_HIDRAW='/dev/nvt_ts_hidraw' |
| BRIDGE_TOOL='/usr/sbin/Bdg_Cmd_M252' |
| TS_TOOL='/usr/sbin/NT36523_Cmd_HID_I2C' |
| PANEL_NODE_TABLE=( |
| "/sys/firmware/devicetree/base/soc@0/mdss@ae00000\ |
| /dsi@ae94000/panel@0/compatible" ) |
| |
| # Parse command line |
| FLAGS "$@" || exit 1 |
| eval set -- "${FLAGS_ARGV}" |
| |
| create_nvt_ts_hidraw() { |
| local hidraw_path |
| local dev_t_major |
| local dev_t_minor |
| |
| if [ -e "${NVT_TOUCHSCREEN_HIDRAW}" ]; then |
| log_msg "${NVT_TOUCHSCREEN_HIDRAW} already exist, skipping..." |
| return 0 |
| fi |
| |
| hidraw_path="$(find_i2c_hid_device "${FLAGS_dev_name##*-}")" |
| if [ -e "${hidraw_path}" ]; then |
| dev_t_major="$(stat -c "%t" "${hidraw_path}")" |
| dev_t_minor="$(stat -c "%T" "${hidraw_path}")" |
| if ! mknod "${NVT_TOUCHSCREEN_HIDRAW}" \ |
| c "0x${dev_t_major}" "0x${dev_t_minor}"; then |
| die "Failed create node: '${NVT_TOUCHSCREEN_HIDRAW}'." |
| fi |
| if ! chown "${NVT_TS_FW_UPDATE_USER}":"${NVT_TS_FW_UPDATE_GROUP}" \ |
| "${NVT_TOUCHSCREEN_HIDRAW}"; then |
| die "Failed change owner of node: ${NVT_TOUCHSCREEN_HIDRAW}." |
| fi |
| if ! chmod 0660 "${NVT_TOUCHSCREEN_HIDRAW}"; then |
| die "Failed change mode of node: ${NVT_TOUCHSCREEN_HIDRAW}." |
| fi |
| else |
| die "No hidraw device found" |
| fi |
| } |
| |
| # set 0/1 to disable/enable bridge handling interrupt requests |
| bridge_interrupt_handle() { |
| minijail0 -u "${NVT_TS_FW_UPDATE_USER}" -g "${NVT_TS_FW_UPDATE_GROUP}" \ |
| -n -N -l --uts -e \ |
| -S /opt/google/touch/policies/nvt_bridge_interrupt_handle.policy \ |
| "${BRIDGE_TOOL}" "${NVT_TOUCHSCREEN_HIDRAW}" "-z" "$1" |
| } |
| |
| get_bridge_fw_ver() { |
| minijail0 -u "${NVT_TS_FW_UPDATE_USER}" -g "${NVT_TS_FW_UPDATE_GROUP}" \ |
| -n -N -l --uts -e \ |
| -S /opt/google/touch/policies/nvt_bridge_update.query.policy \ |
| "${BRIDGE_TOOL}" "${NVT_TOUCHSCREEN_HIDRAW}" "-vs" |
| } |
| |
| get_ts_fw_ver() { |
| minijail0 -u "${NVT_TS_FW_UPDATE_USER}" -g "${NVT_TS_FW_UPDATE_GROUP}" \ |
| -n -N -l --uts -e \ |
| -S /opt/google/touch/policies/nvt_ts_update.query.policy \ |
| "${TS_TOOL}" "${NVT_TOUCHSCREEN_HIDRAW}" "-vs" |
| } |
| |
| update_bridge_fw() { |
| if minijail0 -u "${NVT_TS_FW_UPDATE_USER}" -g "${NVT_TS_FW_UPDATE_GROUP}" \ |
| -n -N -l --uts -e \ |
| -S /opt/google/touch/policies/nvt_bridge_update.update.policy \ |
| "${BRIDGE_TOOL}" "${NVT_TOUCHSCREEN_HIDRAW}" "-u" "$1" "$2"; then |
| log_msg 'Bridge fw update pass' |
| else |
| die 'Bridge fw update fail' |
| fi |
| } |
| |
| update_ts_fw() { |
| chromeos-boot-alert update_touchscreen_firmware |
| if minijail0 -u "${NVT_TS_FW_UPDATE_USER}" -g "${NVT_TS_FW_UPDATE_GROUP}" \ |
| -n -N -l --uts -e \ |
| -S /opt/google/touch/policies/nvt_ts_update.update.policy \ |
| "${TS_TOOL}" "${NVT_TOUCHSCREEN_HIDRAW}" "-u" "$1"; then |
| log_msg 'Touchscreen fw update pass' |
| else |
| die 'Touchscreen fw update fail' |
| fi |
| } |
| |
| main() { |
| local with_bridge=true |
| local node_path |
| local panel |
| local device_pid |
| local bridge_fw_link_path |
| local bridge_fw_path |
| local ts_fw_link_path |
| local ts_fw_path |
| local bridge_dev_fw_ver |
| local bridge_bin_fw_ver |
| local ts_dev_fw_ver |
| local ts_bin_fw_ver |
| |
| # Get PID |
| for node_path in "${PANEL_NODE_TABLE[@]}"; do |
| panel=$(cat "${node_path}") |
| case ${panel} in |
| 'boe,tv110c9m-ll3') |
| device_pid='604A' |
| log_msg "Panel boe,tv110c9m-ll3 detected, PID=${device_pid}" |
| ;; |
| 'innolux,hj110iz-01a') |
| device_pid='604C' |
| log_msg "Panel innolux,hj110iz-01a detected, PID=${device_pid}" |
| ;; |
| *) |
| device_pid=${FLAGS_dev_pid} |
| with_bridge=false |
| log_msg "No special panel detected, PID=${device_pid}" |
| ;; |
| esac |
| done |
| |
| # Create custom /dev/nvt_ts_hidraw |
| create_nvt_ts_hidraw |
| |
| # If bridge exist, check bridge version and update if needed |
| if ${with_bridge}; then |
| bridge_fw_link_path=${NVT_BRIDGE_FW_PATH_BASE}'_'${NVT_BRIDGE_PID}'.bin' |
| bridge_fw_path=$(readlink -f "${bridge_fw_link_path}") |
| log_msg "bridge_fw_link_path=${bridge_fw_link_path}" |
| log_msg "bridge_fw_path=${bridge_fw_path}" |
| if [ ! -e "${bridge_fw_link_path}" ] || [ ! -e "${bridge_fw_path}" ]; then |
| die "No valid bridge firmware for ${FLAGS_dev_i2c_path}" |
| fi |
| bridge_bin_fw_ver=$(echo "${bridge_fw_path#*"${NVT_BRIDGE_PID}_"}" \ |
| | cut -d '.' -f 1) |
| bridge_dev_fw_ver=$(get_bridge_fw_ver) |
| if ! bridge_interrupt_handle 0; then |
| die "Can not disable bridge interrupt handling" |
| fi |
| log_msg "bridge_bin_fw_ver=${bridge_bin_fw_ver}" |
| log_msg "Before update bridge_dev_fw_ver=${bridge_dev_fw_ver}" |
| log_msg "Before update bridge PID=${FLAGS_dev_pid}" |
| if [ "${bridge_dev_fw_ver}" != "${bridge_bin_fw_ver}" ] || \ |
| ! [ "${device_pid}" == "${FLAGS_dev_pid}" ]; then |
| # Update bin and PID for bridge, it will also try to keep lock INT |
| if ! update_bridge_fw "${bridge_fw_path}" "${device_pid}"; then |
| die "Update failed or failed to lock bridge INT" |
| fi |
| sleep 0.5 |
| bridge_dev_fw_ver=$(get_bridge_fw_ver) |
| if [ "${bridge_dev_fw_ver}" != "${bridge_bin_fw_ver}" ]; then |
| log_msg "After update bridge_dev_fw_ver=${bridge_dev_fw_ver}" |
| report_update_result "${FLAGS_dev_i2c_path}" \ |
| "${REPORT_RESULT_FAILURE}" "${bridge_bin_fw_ver}" |
| die "Bridge fw update failed for ${FLAGS_dev_i2c_path}" |
| else |
| log_msg "Bridge fw update to ${bridge_dev_fw_ver}, " \ |
| "PID update to ${device_pid}" |
| fi |
| rebind_driver "${FLAGS_dev_i2c_path}" |
| else |
| log_msg "No need to update bridge fw." |
| fi |
| fi |
| |
| # Check touchscreen version and update if needed |
| ts_fw_link_path=${NVT_TS_FW_PATH_BASE}'_'${device_pid}'.bin' |
| ts_fw_path=$(readlink -f "${ts_fw_link_path}") |
| log_msg "ts_fw_link_path=${ts_fw_link_path}" |
| log_msg "ts_fw_path=${ts_fw_path}" |
| if [ ! -e "${ts_fw_link_path}" ] || [ ! -e "${ts_fw_path}" ]; then |
| die "No valid touchscreen firmware for ${FLAGS_dev_i2c_path}." |
| fi |
| ts_bin_fw_ver=$(echo "${ts_fw_path#*"${device_pid}_"}" | cut -d '.' -f 1) |
| ts_dev_fw_ver=$(get_ts_fw_ver) |
| log_msg "ts_bin_fw_ver=${ts_bin_fw_ver}" |
| log_msg "Before update ts_dev_fw_ver=${ts_dev_fw_ver}" |
| report_initial_version "${FLAGS_dev_i2c_path}" "nvt_ts" "${ts_dev_fw_ver}" |
| if [ "${ts_dev_fw_ver}" != "${ts_bin_fw_ver}" ]; then |
| update_ts_fw "${ts_fw_path}" |
| sleep 0.5 |
| ts_dev_fw_ver=$(get_ts_fw_ver) |
| log_msg "After update ts_dev_fw_ver=${ts_dev_fw_ver}" |
| if [ "${ts_dev_fw_ver}" != "${ts_bin_fw_ver}" ]; then |
| report_update_result "${FLAGS_dev_i2c_path}" \ |
| "${REPORT_RESULT_FAILURE}" "${ts_bin_fw_ver}" |
| die "Touchscreen fw update failed "\ |
| "for ${FLAGS_dev_i2c_path}" |
| else |
| report_update_result "${FLAGS_dev_i2c_path}" \ |
| "${REPORT_RESULT_SUCCESS}" "${ts_bin_fw_ver}" |
| log_msg "Touchscreen fw update to ${ts_dev_fw_ver}" |
| rebind_driver "${FLAGS_dev_i2c_path}" |
| fi |
| else |
| log_msg "No need to update touchscreen fw." |
| fi |
| |
| if ${with_bridge}; then |
| if ! bridge_interrupt_handle 1; then |
| die "Can not enable bridge interrupt handling" |
| fi |
| fi |
| exit 0 |
| } |
| |
| main "$@" |
