Files
asusctl/daemon/src/ctrl_rog_bios.rs
2021-08-28 11:07:47 +12:00

312 lines
10 KiB
Rust

use crate::{config::Config, error::RogError, GetSupported};
use log::{error, info, warn};
use rog_supported::RogBiosSupportedFunctions;
use std::fs::OpenOptions;
use std::io::BufRead;
use std::io::{Read, Write};
use std::path::Path;
use std::process::Command;
use std::sync::Arc;
use std::sync::Mutex;
use zbus::dbus_interface;
use zvariant::ObjectPath;
const INITRAMFS_PATH: &str = "/usr/sbin/update-initramfs";
const DRACUT_PATH: &str = "/usr/bin/dracut";
static ASUS_SWITCH_GRAPHIC_MODE: &str =
"/sys/firmware/efi/efivars/AsusSwitchGraphicMode-607005d5-3f75-4b2e-98f0-85ba66797a3e";
static ASUS_POST_LOGO_SOUND: &str =
"/sys/firmware/efi/efivars/AsusPostLogoSound-607005d5-3f75-4b2e-98f0-85ba66797a3e";
pub struct CtrlRogBios {
_config: Arc<Mutex<Config>>,
}
impl GetSupported for CtrlRogBios {
type A = RogBiosSupportedFunctions;
fn get_supported() -> Self::A {
RogBiosSupportedFunctions {
post_sound_toggle: Path::new(ASUS_POST_LOGO_SOUND).exists(),
dedicated_gfx_toggle: Path::new(ASUS_SWITCH_GRAPHIC_MODE).exists(),
}
}
}
#[dbus_interface(name = "org.asuslinux.Daemon")]
impl CtrlRogBios {
pub fn set_dedicated_graphic_mode(&mut self, dedicated: bool) {
self.set_gfx_mode(dedicated)
.map_err(|err| {
warn!("CtrlRogBios: set_asus_switch_graphic_mode {}", err);
err
})
.ok();
self.notify_dedicated_graphic_mode(dedicated)
.map_err(|err| {
warn!("CtrlRogBios: notify_asus_switch_graphic_mode {}", err);
err
})
.ok();
}
pub fn dedicated_graphic_mode(&self) -> i8 {
Self::get_gfx_mode()
.map_err(|err| {
warn!("CtrlRogBios: get_gfx_mode {}", err);
err
})
.unwrap_or(-1)
}
#[dbus_interface(signal)]
pub fn notify_dedicated_graphic_mode(&self, dedicated: bool) -> zbus::Result<()> {}
pub fn set_post_boot_sound(&mut self, on: bool) {
Self::set_boot_sound(on)
.map_err(|err| {
warn!("CtrlRogBios: set_post_boot_sound {}", err);
err
})
.ok();
self.notify_post_boot_sound(on)
.map_err(|err| {
warn!("CtrlRogBios: notify_post_boot_sound {}", err);
err
})
.ok();
}
pub fn post_boot_sound(&self) -> i8 {
Self::get_boot_sound()
.map_err(|err| {
warn!("CtrlRogBios: get_boot_sound {}", err);
err
})
.unwrap_or(-1)
}
#[dbus_interface(signal)]
pub fn notify_post_boot_sound(&self, dedicated: bool) -> zbus::Result<()> {}
}
impl crate::ZbusAdd for CtrlRogBios {
fn add_to_server(self, server: &mut zbus::ObjectServer) {
server
.at(
&ObjectPath::from_str_unchecked("/org/asuslinux/RogBios"),
self,
)
.map_err(|err| {
warn!("CtrlRogBios: add_to_server {}", err);
err
})
.ok();
}
}
impl crate::Reloadable for CtrlRogBios {
fn reload(&mut self) -> Result<(), RogError> {
Ok(())
}
}
impl CtrlRogBios {
pub fn new(config: Arc<Mutex<Config>>) -> Result<Self, RogError> {
if Path::new(ASUS_SWITCH_GRAPHIC_MODE).exists() {
CtrlRogBios::set_path_mutable(ASUS_SWITCH_GRAPHIC_MODE)?;
} else {
info!("G-Sync Switchable Graphics not detected");
info!("If your laptop is not a G-Sync enabled laptop then you can ignore this. Standard graphics switching will still work.");
}
if Path::new(ASUS_POST_LOGO_SOUND).exists() {
CtrlRogBios::set_path_mutable(ASUS_POST_LOGO_SOUND)?;
} else {
info!("Switch for POST boot sound not detected");
}
Ok(CtrlRogBios { _config: config })
}
fn set_path_mutable(path: &str) -> Result<(), RogError> {
let output = Command::new("/usr/bin/chattr")
.arg("-i")
.arg(path)
.output()
.map_err(|err| RogError::Path(path.into(), err))?;
info!("Set {} writeable: status: {}", path, output.status);
Ok(())
}
pub fn has_dedicated_gfx_toggle() -> bool {
Path::new(ASUS_SWITCH_GRAPHIC_MODE).exists()
}
pub fn get_gfx_mode() -> Result<i8, RogError> {
let path = ASUS_SWITCH_GRAPHIC_MODE;
let mut file = OpenOptions::new()
.read(true)
.open(path)
.map_err(|err| RogError::Path(path.into(), err))?;
let mut data = Vec::new();
file.read_to_end(&mut data)
.map_err(|err| RogError::Read(path.into(), err))?;
let idx = data.len() - 1;
Ok(data[idx] as i8)
}
pub(super) fn set_gfx_mode(&self, dedicated: bool) -> Result<(), RogError> {
let path = ASUS_SWITCH_GRAPHIC_MODE;
let mut file = OpenOptions::new()
.read(true)
.write(true)
.open(path)
.map_err(|err| RogError::Path(path.into(), err))?;
let mut data = Vec::new();
file.read_to_end(&mut data)?;
let idx = data.len() - 1;
if dedicated {
data[idx] = 1;
info!("Set system-level graphics mode: Dedicated Nvidia");
} else {
data[idx] = 0;
info!("Set system-level graphics mode: Optimus");
}
file.write_all(&data)
.map_err(|err| RogError::Path(path.into(), err))?;
self.update_initramfs(dedicated)?;
Ok(())
}
pub fn get_boot_sound() -> Result<i8, RogError> {
let path = ASUS_POST_LOGO_SOUND;
let mut file = OpenOptions::new()
.read(true)
.open(path)
.map_err(|err| RogError::Path(path.into(), err))?;
let mut data = Vec::new();
file.read_to_end(&mut data)
.map_err(|err| RogError::Read(path.into(), err))?;
let idx = data.len() - 1;
Ok(data[idx] as i8)
}
pub(super) fn set_boot_sound(on: bool) -> Result<(), RogError> {
let path = ASUS_POST_LOGO_SOUND;
let mut file = OpenOptions::new()
.read(true)
.write(true)
.open(path)
.map_err(|err| RogError::Path(path.into(), err))?;
let mut data = Vec::new();
file.read_to_end(&mut data)
.map_err(|err| RogError::Read(path.into(), err))?;
let idx = data.len() - 1;
if on {
data[idx] = 1;
info!("Set boot POST sound on");
} else {
data[idx] = 0;
info!("Set boot POST sound off");
}
file.write_all(&data)
.map_err(|err| RogError::Path(path.into(), err))?;
Ok(())
}
// required for g-sync mode
fn update_initramfs(&self, dedicated: bool) -> Result<(), RogError> {
let mut initfs_cmd = None;
if Path::new(INITRAMFS_PATH).exists() {
let mut cmd = Command::new("update-initramfs");
cmd.arg("-u");
initfs_cmd = Some(cmd);
info!("Using initramfs update command 'update-initramfs'");
} else if Path::new(DRACUT_PATH).exists() {
let mut cmd = Command::new("dracut");
cmd.arg("-f");
cmd.arg("-q");
initfs_cmd = Some(cmd);
info!("Using initramfs update command 'dracut'");
}
if let Some(mut cmd) = initfs_cmd {
info!("Updating initramfs");
// If switching to Nvidia dedicated we need these modules included
if Path::new(DRACUT_PATH).exists() && dedicated {
cmd.arg("--add-drivers");
cmd.arg("nvidia nvidia-drm nvidia-modeset nvidia-uvm");
info!("System uses dracut, forcing nvidia modules to be included in init");
} else if Path::new(INITRAMFS_PATH).exists() {
let modules = vec![
"nvidia\n",
"nvidia-drm\n",
"nvidia-modeset\n",
"nvidia-uvm\n",
];
let module_include = Path::new("/etc/initramfs-tools/modules");
if dedicated {
let mut file = std::fs::OpenOptions::new()
.append(true)
.open(module_include)
.map_err(|err| {
RogError::Write(module_include.to_string_lossy().to_string(), err)
})?;
// add nvidia modules to module_include
file.write_all(modules.concat().as_bytes())?;
} else {
let file = std::fs::OpenOptions::new()
.read(true)
.open(module_include)
.map_err(|err| {
RogError::Write(module_include.to_string_lossy().to_string(), err)
})?;
let mut buf = Vec::new();
// remove modules
for line in std::io::BufReader::new(file).lines().flatten() {
if !modules.contains(&line.as_str()) {
buf.append(&mut line.as_bytes().to_vec());
}
}
let file = std::fs::OpenOptions::new()
.write(true)
.open(module_include)
.map_err(|err| {
RogError::Write(module_include.to_string_lossy().to_string(), err)
})?;
std::io::BufWriter::new(file).write_all(&buf)?;
}
}
let status = cmd
.status()
.map_err(|err| RogError::Write(format!("{:?}", cmd), err))?;
if !status.success() {
error!("Ram disk update failed");
return Err(RogError::Initramfs("Ram disk update failed".into()));
} else {
info!("Successfully updated initramfs");
}
}
Ok(())
}
}