From 0595ba2b16c6d65d7bfc0520b6c93f284c004ded Mon Sep 17 00:00:00 2001
From: Jeremy Soller <jeremy@system76.com>
Date: Tue, 29 Dec 2020 10:04:02 -0700
Subject: [PATCH] system76/common: Adjust KBC interrupts when using ESPI

---
 src/board/system76/common/pnp.c | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/src/board/system76/common/pnp.c b/src/board/system76/common/pnp.c
index d9a2ba5..8b63e4d 100644
--- a/src/board/system76/common/pnp.c
+++ b/src/board/system76/common/pnp.c
@@ -3,6 +3,7 @@
 #include <stdint.h>
 
 #include <common/debug.h>
+#include <ec/espi.h>
 
 volatile uint8_t __xdata __at(0x1200) IHIOA;
 volatile uint8_t __xdata __at(0x1201) IHD;
@@ -33,10 +34,18 @@ void pnp_enable() {
 
     // Enable KBC keyboard
     pnp_write(0x07, 0x06);
+#if EC_ESPI
+    // When using eSPI, IRQ must be inverted and edge-triggered
+    pnp_write(0x71, 0x02);
+#endif // EC_ESPI
     pnp_write(0x30, 0x01);
 
     // Enable KBC mouse
     pnp_write(0x07, 0x05);
+#if EC_ESPI
+    // When using eSPI, IRQ must be inverted and edge-triggered
+    pnp_write(0x71, 0x02);
+#endif // EC_ESPI
     pnp_write(0x30, 0x01);
 
     // Enable SMFI