Add --ps2-enable to control ps2 emulation

Signed-off-by: Daniel Schaefer <dhs@frame.work>

Author: JohnAZoidberg

framework_lib/src/chromium_ec/command.rs

@@ -60,6 +60,7 @@ pub enum EcCommands {
     FlashNotified = 0x3E01,
     /// Change charge limit
     ChargeLimitControl = 0x3E03,
+    DisablePs2Emulation = 0x3E08,
     /// Get/Set Fingerprint LED brightness
     FpLedLevelControl = 0x3E0E,
     /// Get information about the current chassis open/close status

framework_lib/src/chromium_ec/commands.rs

@@ -1048,6 +1048,17 @@ impl EcRequest<EcResponseChargeLimitControl> for EcRequestChargeLimitControl {
 /// TODO: Use this
 pub const EC_CHARGE_LIMIT_RESTORE: u8 = 0x7F;
 
+#[repr(C, packed)]
+pub struct EcRequestDisablePs2Emulation {
+    pub disable: u8,
+}
+
+impl EcRequest<()> for EcRequestDisablePs2Emulation {
+    fn command_id() -> EcCommands {
+        EcCommands::DisablePs2Emulation
+    }
+}
+
 #[repr(u8)]
 #[derive(Debug, FromPrimitive)]
 pub enum FpLedBrightnessLevel {

framework_lib/src/chromium_ec/mod.rs

@@ -596,6 +596,13 @@ impl CrosEc {
         Ok((kblight.duty / (PWM_MAX_DUTY / 100)) as u8)
     }
 
+    pub fn ps2_emulation_enable(&self, enable: bool) -> EcResult<()> {
+        EcRequestDisablePs2Emulation {
+            disable: !enable as u8,
+        }
+        .send_command(self)
+    }
+
     pub fn fan_set_rpm(&self, fan: Option<u32>, rpm: u32) -> EcResult<()> {
         if let Some(fan_idx) = fan {
             EcRequestPwmSetFanTargetRpmV1 { rpm, fan_idx }.send_command(self)

framework_lib/src/commandline/clap_std.rs

@@ -188,6 +188,11 @@ struct ClapCli {
     #[arg(long, value_parser=maybe_hex::<u64>)]
     rgbkbd: Vec<u64>,
 
+    /// Enable/disable PS2 touchpad emulation
+    #[clap(value_enum)]
+    #[arg(long)]
+    ps2_enable: Option<bool>,
+
     /// Set tablet mode override
     #[clap(value_enum)]
     #[arg(long)]
@@ -393,6 +398,7 @@ pub fn parse(args: &[String]) -> Cli {
         fp_brightness: args.fp_brightness,
         kblight: args.kblight,
         rgbkbd: args.rgbkbd,
+        ps2_enable: args.ps2_enable,
         tablet_mode: args.tablet_mode,
         touchscreen_enable: args.touchscreen_enable,
         stylus_battery: args.stylus_battery,

framework_lib/src/commandline/mod.rs

@@ -182,6 +182,7 @@ pub struct Cli {
     pub fp_brightness: Option<Option<u8>>,
     pub kblight: Option<Option<u8>>,
     pub rgbkbd: Vec<u64>,
+    pub ps2_enable: Option<bool>,
     pub tablet_mode: Option<TabletModeArg>,
     pub touchscreen_enable: Option<bool>,
     pub stylus_battery: bool,
@@ -819,6 +820,8 @@ pub fn run_with_args(args: &Cli, _allupdate: bool) -> i32 {
             });
             ec.rgbkbd_set_color(start_key, colors.collect()).unwrap();
         }
+    } else if let Some(enable) = args.ps2_enable {
+        print_err(ec.ps2_emulation_enable(enable));
     } else if let Some(None) = args.kblight {
         print!("Keyboard backlight: ");
         if let Some(percentage) = print_err(ec.get_keyboard_backlight()) {

framework_lib/src/commandline/uefi.rs

@@ -95,6 +95,7 @@ pub fn parse(args: &[String]) -> Cli {
         fp_brightness: None,
         kblight: None,
         rgbkbd: vec![],
+        ps2_enable: None,
         tablet_mode: None,
         touchscreen_enable: None,
         stylus_battery: false,
@@ -361,6 +362,26 @@ pub fn parse(args: &[String]) -> Cli {
                 println!("--rgbkbd requires at least 2 arguments, the start key and an RGB value");
                 vec![]
             }
+        } else if arg == "--ps2-enable" {
+            cli.ps2_enable = if args.len() > i + 1 {
+                let enable_arg = &args[i + 1];
+                if enable_arg == "true" {
+                    Some(true)
+                } else if enable_arg == "false" {
+                    Some(false)
+                } else {
+                    println!(
+                        "Need to provide a value for --ps2-enable: '{}'. {}",
+                        args[i + 1],
+                        "Must be `true` or `false`",
+                    );
+                    None
+                }
+            } else {
+                println!("Need to provide a value for --tablet-mode. One of: `auto`, `tablet` or `laptop`");
+                None
+            };
+            found_an_option = true;
         } else if arg == "--tablet-mode" {
             cli.tablet_mode = if args.len() > i + 1 {
                 let tablet_mode_arg = &args[i + 1];