battery passthrough

Signed-off-by: Daniel Schaefer <[email protected]>

Author: JohnAZoidberg

framework_lib/src/battery.rs

@@ -0,0 +1,39 @@
+// https://www.ti.com/lit/ug/sluua43a/sluua43a.pdf?ts=1763375446472
+// driver/battery/smart.c
+// include/battery_smart.h
+use alloc::vec::Vec;
+use num_traits::FromPrimitive;
+
+use crate::chromium_ec::command::EcRequestRaw;
+use crate::chromium_ec::commands::{EcRequestGetGpuPcie, GpuVendor};
+use crate::chromium_ec::i2c_passthrough::*;
+use crate::chromium_ec::{CrosEc, EcResult};
+use crate::os_specific;
+
+
+
+pub fn dump_data(ec: &CrosEc) -> EcResult<Option<Vec<u8>>> {
+    // I2C Port on the EC
+    let i2c_port = 3;
+    // 8-bit I2C address of the battery
+    // EC passthrough needs 7-bit, so shift one over before sending to EC
+    let i2c_addr = 0x0b << 1;
+
+    // Check mode
+    let i2c_response = i2c_read(ec, i2c_port, i2c_addr >> 1, 0x03, 0x01)?;
+    println!("Mode:     {:?}", i2c_response.data);
+    let i2c_response = i2c_read(ec, i2c_port, i2c_addr >> 1, 0x1c, 0x02)?;
+    println!("Serial:   {:X?}", i2c_response.data);
+    let i2c_response = i2c_read(ec, i2c_port, i2c_addr >> 1, 0x08, 0x02)?;
+    println!("Temp:     {:X?}", i2c_response.data);
+    let i2c_response = i2c_read(ec, i2c_port, i2c_addr >> 1, 0x17, 0x02)?;
+    println!("Cycle Ct: {:?}", i2c_response.data);
+    let i2c_response = i2c_read(ec, i2c_port, i2c_addr >> 1, 0x21, 0x08)?;
+    // 0A 46 52 41
+    println!("Dev Name: {:X?}", i2c_response.data);
+
+    // i2c_write(ec, i2c_port, (i2c_addr + 2) >> 1, 0x70, &[0x00])?;
+    // os_specific::sleep(50_000);
+
+    Ok(Some(i2c_response.data))
+}

framework_lib/src/lib.rs

@@ -34,6 +34,7 @@ pub mod usbhub;
 #[macro_use]
 extern crate uefi_services;
 
+pub mod battery;
 pub mod capsule;
 pub mod capsule_content;
 pub mod ccgx;

framework_lib/src/power.rs

@@ -536,6 +536,7 @@ pub fn is_standalone(ec: &CrosEc) -> bool {
 }
 
 pub fn get_and_print_power_info(ec: &CrosEc) -> i32 {
+    crate::battery::dump_data(ec);
     if let Some(power_info) = power_info(ec) {
         print_err_ref(&ec.get_charge_state(&power_info));
         print_battery_information(&power_info);