2021-03-16 10:33:46 -06:00

603 lines
20 KiB
Rust

// SPDX-License-Identifier: MIT
use clap::{Arg, App, AppSettings, SubCommand};
use ectool::{
Access,
AccessHid,
AccessLpcLinux,
AccessLpcSim,
Ec,
Error,
Firmware,
StdTimeout,
Spi,
SpiRom,
SpiTarget,
};
use hidapi::HidApi;
use std::{
fmt::Display,
fs,
process,
str::{self, FromStr},
time::Duration,
thread,
};
unsafe fn console(ec: &mut Ec<Box<dyn Access>>) -> Result<(), Error> {
//TODO: driver support for reading debug region?
let access = ec.access();
let mut head = access.read_debug(0)? as usize;
loop {
let tail = access.read_debug(0)? as usize;
if tail == 0 || head == tail {
thread::sleep(Duration::from_millis(1));
} else {
while head != tail {
head += 1;
if head >= 256 { head = 1; }
let c = access.read_debug(head as u8)?;
print!("{}", c as char);
}
}
}
}
unsafe fn flash_read<S: Spi>(spi: &mut SpiRom<S, StdTimeout>, rom: &mut [u8], sector_size: usize) -> Result<(), Error> {
let mut address = 0;
while address < rom.len() {
eprint!("\rSPI Read {}K", address / 1024);
let next_address = address + sector_size;
let count = spi.read_at(address as u32, &mut rom[address..next_address])?;
if count != sector_size {
eprintln!("\ncount {} did not match sector size {}", count, sector_size);
return Err(Error::Verify);
}
address = next_address;
}
eprintln!("\rSPI Read {}K", address / 1024);
Ok(())
}
unsafe fn flash_inner(ec: &mut Ec<Box<dyn Access>>, firmware: &Firmware, target: SpiTarget, scratch: bool) -> Result<(), Error> {
let rom_size = 128 * 1024;
let mut new_rom = firmware.data.to_vec();
while new_rom.len() < rom_size {
new_rom.push(0xFF);
}
let mut spi_bus = ec.spi(target, scratch)?;
let mut spi = SpiRom::new(
&mut spi_bus,
StdTimeout::new(Duration::new(1, 0))
);
let sector_size = spi.sector_size();
let mut rom = vec![0xFF; rom_size];
flash_read(&mut spi, &mut rom, sector_size)?;
eprintln!("Saving ROM to backup.rom");
fs::write("backup.rom", &rom).map_err(|_| Error::Verify)?;
// Program chip, sector by sector
//TODO: write signature last
{
let mut address = 0;
while address < rom_size {
eprint!("\rSPI Write {}K", address / 1024);
let next_address = address + sector_size;
let mut matches = true;
let mut erased = true;
let mut new_erased = true;
for i in address..next_address {
if rom[i] != new_rom[i] {
matches = false;
}
if rom[i] != 0xFF {
erased = false;
}
if new_rom[i] != 0xFF {
new_erased = false;
}
}
if ! matches {
if ! erased {
spi.erase_sector(address as u32)?;
}
if ! new_erased {
let count = spi.write_at(address as u32, &new_rom[address..next_address])?;
if count != sector_size {
eprintln!("\nWrite count {} did not match sector size {}", count, sector_size);
return Err(Error::Verify);
}
}
}
address = next_address;
}
eprintln!("\rSPI Write {}K", address / 1024);
// Verify chip write
flash_read(&mut spi, &mut rom, sector_size)?;
for i in 0..rom.len() {
if rom[i] != new_rom[i] {
eprintln!("Failed to program: {:X} is {:X} instead of {:X}", i, rom[i], new_rom[i]);
return Err(Error::Verify);
}
}
}
eprintln!("Successfully programmed SPI ROM");
Ok(())
}
unsafe fn flash(ec: &mut Ec<Box<dyn Access>>, path: &str, target: SpiTarget) -> Result<(), Error> {
let scratch = true;
//TODO: remove unwraps
let firmware_data = fs::read(path).unwrap();
let firmware = Firmware::new(&firmware_data).unwrap();
println!("file board: {:?}", str::from_utf8(firmware.board));
println!("file version: {:?}", str::from_utf8(firmware.version));
let data_size = ec.access().data_size();
{
let mut data = vec![0; data_size];
let size = ec.board(&mut data)?;
let ec_board = &data[..size];
println!("ec board: {:?}", str::from_utf8(ec_board));
if ec_board != firmware.board {
panic!("file board does not match ec board");
}
}
{
let mut data = vec![0; data_size];
let size = ec.version(&mut data)?;
let ec_version = &data[..size];
println!("ec version: {:?}", str::from_utf8(ec_version));
}
if scratch {
// Wait for any key releases
eprintln!("Waiting 5 seconds for all keys to be released");
thread::sleep(Duration::new(5, 0));
}
eprintln!("Sync");
let _ = process::Command::new("sync").status();
let res = flash_inner(ec, &firmware, target, scratch);
eprintln!("Result: {:X?}", res);
eprintln!("Sync");
let _ = process::Command::new("sync").status();
if scratch {
eprintln!("System will shut off in 5 seconds");
thread::sleep(Duration::new(5, 0));
eprintln!("Sync");
let _ = process::Command::new("sync").status();
ec.reset()?;
}
res
}
unsafe fn info(ec: &mut Ec<Box<dyn Access>>) -> Result<(), Error> {
let data_size = ec.access().data_size();
{
print!("board: ");
let mut data = vec![0; data_size];
let size = ec.board(&mut data)?;
for &b in data[..size].iter() {
print!("{}", b as char);
}
println!();
}
{
print!("version: ");
let mut data = vec![0; data_size];
let size = ec.version(&mut data)?;
for &b in data[..size].iter() {
print!("{}", b as char);
}
println!();
}
Ok(())
}
unsafe fn matrix(ec: &mut Ec<Box<dyn Access>>) -> Result<(), Error> {
let data_size = ec.access().data_size();
let mut data = vec![0; data_size];
ec.matrix_get(&mut data)?;
let rows = *data.get(0).unwrap_or(&0);
let cols = *data.get(1).unwrap_or(&0);
let mut byte = 2;
let mut bit = 0;
for _row in 0..rows {
for _col in 0..cols {
if (data.get(byte).unwrap_or(&0) & (1 << bit)) != 0 {
print!("#");
} else {
print!("-");
}
bit += 1;
if bit >= 8 {
byte += 1;
bit = 0;
}
}
println!();
}
Ok(())
}
unsafe fn print(ec: &mut Ec<Box<dyn Access>>, message: &[u8]) -> Result<(), Error> {
ec.print(message)?;
Ok(())
}
unsafe fn fan_get(ec: &mut Ec<Box<dyn Access>>, index: u8) -> Result<(), Error> {
let duty = ec.fan_get(index)?;
println!("{}", duty);
Ok(())
}
unsafe fn fan_set(ec: &mut Ec<Box<dyn Access>>, index: u8, duty: u8) -> Result<(), Error> {
ec.fan_set(index, duty)
}
unsafe fn keymap_get(ec: &mut Ec<Box<dyn Access>>, layer: u8, output: u8, input: u8) -> Result<(), Error> {
let value = ec.keymap_get(layer, output, input)?;
println!("{:04X}", value);
Ok(())
}
unsafe fn keymap_set(ec: &mut Ec<Box<dyn Access>>, layer: u8, output: u8, input: u8, value: u16) -> Result<(), Error> {
ec.keymap_set(layer, output, input, value)
}
fn validate_from_str<T: FromStr>(s: String) -> Result<(), String>
where T::Err: Display {
s.parse::<T>()
.and(Ok(()))
.map_err(|err| format!("{}", err))
}
fn parse_color(s: &str) -> Result<(u8, u8, u8), String> {
let r = u8::from_str_radix(&s[0..2], 16);
let g = u8::from_str_radix(&s[2..4], 16);
let b = u8::from_str_radix(&s[4..6], 16);
match (r, g, b) {
(Ok(r), Ok(g), Ok(b)) if s.len() == 6 => Ok((r, g, b)),
_ => Err(format!("Invalid color '{}'", s)),
}
}
fn main() {
let matches = App::new("system76_ectool")
.setting(AppSettings::SubcommandRequired)
.arg(Arg::with_name("access")
.long("access")
.possible_values(&["lpc-linux", "lpc-sim", "hid"])
.default_value("lpc-linux")
)
.subcommand(SubCommand::with_name("console"))
.subcommand(SubCommand::with_name("fan")
.arg(Arg::with_name("index")
.validator(validate_from_str::<u8>)
.required(true)
)
.arg(Arg::with_name("duty")
.validator(validate_from_str::<u8>)
)
)
.subcommand(SubCommand::with_name("flash")
.arg(Arg::with_name("path")
.required(true)
)
)
.subcommand(SubCommand::with_name("flash_backup")
.arg(Arg::with_name("path")
.required(true)
)
)
.subcommand(SubCommand::with_name("info"))
.subcommand(SubCommand::with_name("keymap")
.arg(Arg::with_name("layer")
.validator(validate_from_str::<u8>)
.required(true)
)
.arg(Arg::with_name("output")
.validator(validate_from_str::<u8>)
.required(true)
)
.arg(Arg::with_name("input")
.validator(validate_from_str::<u8>)
.required(true)
)
.arg(Arg::with_name("value"))
)
.subcommand(SubCommand::with_name("led_color")
.arg(Arg::with_name("index")
.validator(validate_from_str::<u8>)
.required(true)
)
.arg(Arg::with_name("value")
.validator(|x| parse_color(&x).and(Ok(())))
)
)
.subcommand(SubCommand::with_name("led_value")
.arg(Arg::with_name("index")
.validator(validate_from_str::<u8>)
.required(true)
)
.arg(Arg::with_name("value")
.validator(validate_from_str::<u8>)
)
)
.subcommand(SubCommand::with_name("led_mode")
.arg(Arg::with_name("layer")
.validator(validate_from_str::<u8>)
.required(true)
)
.arg(Arg::with_name("mode")
.validator(validate_from_str::<u8>)
.requires("speed")
)
.arg(Arg::with_name("speed")
.validator(validate_from_str::<u8>)
)
)
.subcommand(SubCommand::with_name("led_save"))
.subcommand(SubCommand::with_name("matrix"))
.subcommand(SubCommand::with_name("print")
.arg(Arg::with_name("message")
.required(true)
.multiple(true)
)
)
.get_matches();
let get_ec = || -> Result<_, Error> {
unsafe {
match matches.value_of("access").unwrap() {
"lpc-linux" => {
let access = AccessLpcLinux::new(Duration::new(1, 0))?;
Ok(Ec::new(access)?.into_dyn())
},
"lpc-sim" => {
let access = AccessLpcSim::new(Duration::new(1, 0))?;
Ok(Ec::new(access)?.into_dyn())
},
"hid" => {
let api = HidApi::new()?;
for info in api.device_list() {
match (info.vendor_id(), info.product_id(), info.interface_number()) {
// System76 launch_1
(0x3384, 0x0001, 1) => {
let device = info.open_device(&api)?;
let access = AccessHid::new(device, 10, 100)?;
return Ok(Ec::new(access)?.into_dyn());
}
_ => {},
}
}
Err(hidapi::HidError::OpenHidDeviceError.into())
}
_ => unreachable!(),
}
}
};
let mut ec = match get_ec() {
Ok(ec) => ec,
Err(err) => {
eprintln!("failed to connect to EC: {:X?}", err);
process::exit(1);
}
};
match matches.subcommand() {
("console", Some(_sub_m)) => match unsafe { console(&mut ec) } {
Ok(()) => (),
Err(err) => {
eprintln!("failed to read console: {:X?}", err);
process::exit(1);
},
},
("fan", Some(sub_m)) => {
let index = sub_m.value_of("index").unwrap().parse::<u8>().unwrap();
let duty_opt = sub_m.value_of("duty").map(|x| x.parse::<u8>().unwrap());
match duty_opt {
Some(duty) => match unsafe { fan_set(&mut ec, index, duty) } {
Ok(()) => (),
Err(err) => {
eprintln!("failed to set fan {} to {}: {:X?}", index, duty, err);
process::exit(1);
},
},
None => match unsafe { fan_get(&mut ec, index) } {
Ok(()) => (),
Err(err) => {
eprintln!("failed to get fan {}: {:X?}", index, err);
process::exit(1);
},
},
}
},
("flash", Some(sub_m)) => {
let path = sub_m.value_of("path").unwrap();
match unsafe { flash(&mut ec, &path, SpiTarget::Main) } {
Ok(()) => (),
Err(err) => {
eprintln!("failed to flash '{}': {:X?}", path, err);
process::exit(1);
},
}
},
("flash_backup", Some(sub_m)) => {
let path = sub_m.value_of("path").unwrap();
match unsafe { flash(&mut ec, &path, SpiTarget::Backup) } {
Ok(()) => (),
Err(err) => {
eprintln!("failed to flash '{}': {:X?}", path, err);
process::exit(1);
},
}
},
("info", Some(_sub_m)) => match unsafe { info(&mut ec) } {
Ok(()) => (),
Err(err) => {
eprintln!("failed to read info: {:X?}", err);
process::exit(1);
},
},
("keymap", Some(sub_m)) => {
let layer = sub_m.value_of("layer").unwrap().parse::<u8>().unwrap();
let output = sub_m.value_of("output").unwrap().parse::<u8>().unwrap();
let input = sub_m.value_of("input").unwrap().parse::<u8>().unwrap();
match sub_m.value_of("value") {
Some(value_str) => match u16::from_str_radix(value_str.trim_start_matches("0x"), 16) {
Ok(value) => match unsafe { keymap_set(&mut ec, layer, output, input, value) } {
Ok(()) => (),
Err(err) => {
eprintln!("failed to set keymap {}, {}, {} to {}: {:X?}", layer, output, input, value, err);
process::exit(1);
},
},
Err(err) => {
eprintln!("failed to parse value: '{}': {}", value_str, err);
process::exit(1);
}
},
None => match unsafe { keymap_get(&mut ec, layer, output, input) } {
Ok(()) => (),
Err(err) => {
eprintln!("failed to get keymap {}, {}, {}: {:X?}", layer, output, input, err);
process::exit(1);
},
},
}
},
("led_color", Some(sub_m)) => {
let index = sub_m.value_of("index").unwrap().parse::<u8>().unwrap();
let value = sub_m.value_of("value");
if let Some(value) = value {
let (r, g, b) = parse_color(value).unwrap();
match unsafe { ec.led_set_color(index, r, g, b) } {
Ok(()) => (),
Err(err) => {
eprintln!("failed to set color {}: {:X?}", value, err);
process::exit(1);
},
}
} else {
match unsafe { ec.led_get_color(index) } {
Ok((r, g, b)) => println!("{:02x}{:02x}{:02x}", r, g, b),
Err(err) => {
eprintln!("failed to get color: {:X?}", err);
process::exit(1);
},
}
}
},
("led_value", Some(sub_m)) => {
let index = sub_m.value_of("index").unwrap().parse::<u8>().unwrap();
let value = sub_m.value_of("value").map(|x| x.parse::<u8>().unwrap());
if let Some(value) = value {
match unsafe { ec.led_set_value(index, value) } {
Ok(()) => (),
Err(err) => {
eprintln!("failed to set value {}: {:X?}", value, err);
process::exit(1);
},
}
} else {
match unsafe { ec.led_get_value(index) } {
Ok((value, max)) => {
println!("value: {}", value);
println!("max: {}", max);
},
Err(err) => {
eprintln!("failed to get value: {:X?}", err);
process::exit(1);
},
}
}
},
("led_mode", Some(sub_m)) => {
let layer = sub_m.value_of("layer").unwrap().parse::<u8>().unwrap();
let mode = sub_m.value_of("mode").map(|x| x.parse::<u8>().unwrap());
let speed = sub_m.value_of("speed").map(|x| x.parse::<u8>().unwrap());
if let (Some(mode), Some(speed)) = (mode, speed) {
match unsafe { ec.led_set_mode(layer, mode, speed) } {
Ok(()) => (),
Err(err) => {
eprintln!("failed to set layer {} mode {} at speed {}: {:X?}", layer, mode, speed, err);
process::exit(1);
},
}
} else {
match unsafe { ec.led_get_mode(layer) } {
Ok((mode, speed)) => {
println!("mode: {}", mode);
println!("speed: {}", speed);
},
Err(err) => {
eprintln!("failed to get mode for layer {}: {:X?}", layer, err);
process::exit(1);
},
}
}
},
("led_save", Some(_sub_m)) => match unsafe { ec.led_save() } {
Ok(()) => (),
Err(err) => {
eprintln!("failed to save LED settings: {:X?}", err);
process::exit(1);
},
},
("matrix", Some(_sub_m)) => match unsafe { matrix(&mut ec) } {
Ok(()) => (),
Err(err) => {
eprintln!("failed to read matrix: {:X?}", err);
process::exit(1);
},
},
("print", Some(sub_m)) => for arg in sub_m.values_of("message").unwrap() {
let mut arg = arg.to_owned();
arg.push('\n');
match unsafe { print(&mut ec, &arg.as_bytes()) } {
Ok(()) => (),
Err(err) => {
eprintln!("failed to print '{}': {:X?}", arg, err);
process::exit(1);
},
}
},
_ => unreachable!()
}
}