From e28e60769a7f71f23b799d10828f6266b29ce994 Mon Sep 17 00:00:00 2001
From: Colin <colin@uninsane.org>
Date: Tue, 10 Oct 2023 00:35:32 +0000
Subject: [PATCH] sxmo: postwake: show the human-readable wakeup reason

---
 hosts/modules/gui/sxmo/default.nix            |  3 +-
 .../gui/sxmo/hooks/sxmo_hook_postwake.sh      | 37 ++++++++++++++++++-
 hosts/modules/gui/sxmo/hooks/sxmo_suspend.sh  |  8 +---
 3 files changed, 40 insertions(+), 8 deletions(-)

diff --git a/hosts/modules/gui/sxmo/default.nix b/hosts/modules/gui/sxmo/default.nix
index 2f6bb293..fbb3c1bf 100644
--- a/hosts/modules/gui/sxmo/default.nix
+++ b/hosts/modules/gui/sxmo/default.nix
@@ -75,6 +75,7 @@ let
     };
     postwake = pkgs.static-nix-shell.mkBash {
       pname = "sxmo_hook_postwake.sh";
+      pkgs = [ "coreutils" ];
       src = ./hooks;
     };
     rotate = pkgs.static-nix-shell.mkBash {
@@ -90,7 +91,7 @@ let
     suspend = pkgs.static-nix-shell.mkBash {
       pname = "sxmo_suspend.sh";
       src = ./hooks;
-      pkgs = [ "coreutils" "util-linux" ];
+      pkgs = [ "util-linux" ];
     };
   };
 in
diff --git a/hosts/modules/gui/sxmo/hooks/sxmo_hook_postwake.sh b/hosts/modules/gui/sxmo/hooks/sxmo_hook_postwake.sh
index ffd09b73..973228d5 100755
--- a/hosts/modules/gui/sxmo/hooks/sxmo_hook_postwake.sh
+++ b/hosts/modules/gui/sxmo/hooks/sxmo_hook_postwake.sh
@@ -1,7 +1,42 @@
 #!/usr/bin/env nix-shell
-#!nix-shell -i bash
+#!nix-shell -i bash -p coreutils
 
 # the default sxmo_postwake handler checks if the modem is offline
 # and if so installs a wakelock to block suspend for 30s.
 # that's a questionable place to install that logic, and i want to keep stuff
 # out of the wake-from-sleep critical path, so i'm overriding this hook to disable that.
+
+declare -A newmap
+wowlan_reason[0x0]="not wowlan"
+
+# mappings are found in megi's linux: drivers/staging/rtl8723cs/include/hal_com.h
+wowlan_reason[0x1]="RX_PAIRWISEKEY"
+wowlan_reason[0x2]="RX_GTK"
+wowlan_reason[0x3]="RX_FOURWAY_HANDSHAKE"
+wowlan_reason[0x4]="RX_DISASSOC"
+wowlan_reason[0x8]="RX_DEAUTH"
+wowlan_reason[0x9]="RX_ARP_REQUEST"
+wowlan_reason[0x10]="FW_DECISION_DISCONNECT"
+wowlan_reason[0x21]="RX_MAGIC_PKT"
+wowlan_reason[0x22]="RX_UNICAST_PKT"
+wowlan_reason[0x23]="RX_PATTERN_PKT"
+wowlan_reason[0x24]="RTD3_SSID_MATCH"
+wowlan_reason[0x30]="RX_REALWOW_V2_WAKEUP_PKT"
+wowlan_reason[0x31]="RX_REALWOW_V2_ACK_LOST"
+wowlan_reason[0x40]="ENABLE_FAIL_DMA_IDLE"
+wowlan_reason[0x41]="ENABLE_FAIL_DMA_PAUSE"
+wowlan_reason[0x42]="RTIME_FAIL_DMA_IDLE"
+wowlan_reason[0x43]="RTIME_FAIL_DMA_PAUSE"
+wowlan_reason[0x55]="RX_PNO"
+#ifdef CONFIG_WOW_KEEP_ALIVE_PATTERN
+wowlan_reason[0x60]="WOW_KEEPALIVE_ACK_TIMEOUT"
+wowlan_reason[0x61]="WOW_KEEPALIVE_WAKE"
+#endif/*CONFIG_WOW_KEEP_ALIVE_PATTERN*/
+wowlan_reason[0x66]="AP_OFFLOAD_WAKEUP"
+wowlan_reason[0xfd]="CLK_32K_UNLOCK"
+wowlan_reason[0xfe]="CLK_32K_LOCK"
+
+wowlan_text="$(cat /proc/net/rtl8723cs/wlan0/wowlan_last_wake_reason)"
+wowlan_bits="${wowlan_text/last wake reason: /}"
+wowlan_reason="${wowlan_reason[$wowlan_bits]}"
+echo "exited suspend: $wowlan_text ($wowlan_reason)"
diff --git a/hosts/modules/gui/sxmo/hooks/sxmo_suspend.sh b/hosts/modules/gui/sxmo/hooks/sxmo_suspend.sh
index 7756a926..bfa43df5 100755
--- a/hosts/modules/gui/sxmo/hooks/sxmo_suspend.sh
+++ b/hosts/modules/gui/sxmo/hooks/sxmo_suspend.sh
@@ -1,5 +1,5 @@
 #!/usr/bin/env nix-shell
-#!nix-shell -i bash -p coreutils -p util-linux
+#!nix-shell -i bash -p util-linux
 
 # yeah, this isn't technically a hook, but the hook infrastructure isn't actually
 # restricted to stuff that starts with sxmo_hook_ ...
@@ -7,15 +7,11 @@
 # this script is only called by sxmo_autosuspend, which is small, so if i wanted to
 # be more proper i could instead re-implement autosuspend + integrations.
 
-. sxmo_common.sh
-
 suspend_time=300
 
-sxmo_log "calling suspend for duration: $suspend_time"
+echo "calling suspend for duration: $suspend_time"
 
 rtcwake -m mem -s "$suspend_time" || exit 1
 
-sxmo_log "exited suspend: $(cat /proc/net/rtl8723cs/wlan0/wowlan_last_wake_reason)"
-
 sxmo_hook_postwake.sh