From f40caebe132d0af20d25c5fbc7e01674e440ac16 Mon Sep 17 00:00:00 2001
From: paul-1 <6473457+paul-1@users.noreply.github.com>
Date: Sat, 7 Dec 2024 08:06:51 -0500
Subject: [PATCH] More universal startup script. (#11)

* Add auto detection of touch drivers.
Add 90 and 270 rotations for the portrait mode piDisplay 2.
Detect if vc4 or firmware drivers are being used.
Move all environment variables to this script.

* Add logging information as a result of detections.

* Add some comments to script for editing clues.

* Match rotation angles for RPi Display2.

* Automatically load multitouch driver for USBHID touch devices.
Set tslib debounce for these devices.

* Break in wrong spot.
---
 jivelite-sp | 96 ++++++++++++++++++++++++++++++++++++++++++++---------
 1 file changed, 80 insertions(+), 16 deletions(-)

diff --git a/jivelite-sp b/jivelite-sp
index 1aab26f..6f18b53 100644
--- a/jivelite-sp
+++ b/jivelite-sp
@@ -1,25 +1,87 @@
 #!/bin/sh
 
+#  Jivelite device detection and startup script.
+#    - Script handles all RasberryPi DSI touchscreens on RasberryPi boards
+#    - If you have an spi based screen that needs configuration.
+#      - Copy this script to /etc/sysconfig/tcedir/jivlite.sh
+#
+#
+#      - Insert screen startup related code
+
+
+
+#      - End screen related startup code
+#
+
 export LOG=/var/log/pcp_jivelite.log
 
 if [ -f /usr/local/etc/pcp/pcp.cfg ]; then
     source /usr/local/etc/pcp/pcp.cfg
-    if [ ! -z ${SCREENROTATE} ]; then
-        MODEL=$(busybox awk '/^Model/ { print $5 }' /proc/cpuinfo)
-        if [ "${MODEL}" == "5" ]; then
-            # Rotation CCW=270, UD=180, CW=90 degrees
-            if [ "${SCREENROTATE}" == "180" ]; then
-                export SDL_VIDEO_FBCON_ROTATION=UD
-                export TSLIB_CALIBFILE=/usr/local/etc/pointercal-r2
-                echo "Pi5 detected sdl screen rotation enabled." >> $LOG
-            fi
+fi
+
+# Autodetect Touchscreen, and then mouse if no touch is found.
+TOUCH=0
+MOUSE=0
+TMPFILE=$(mktemp)
+udevadm info --export-db | grep "P: " | grep "event" | sed 's/P: //' > $TMPFILE
+for LINE in $(cat $TMPFILE); do
+    udevadm info --query=property --path=$LINE | grep -q TOUCH
+    [ $? -eq 0 ] && eventno=$(basename $LINE);TOUCH=1;MOUSE=0
+    if [ "$eventno" != "" ]; then
+        echo -e "Automatic touchscreen detection found input device on $eventno: \nDevice Info:" >> $LOG
+        udevadm info --query=all --path=${LINE%/*} >> $LOG
+
+        # Recent USBHID touch screens require the multitouch driver
+        udevadm info --query=all --path=${LINE%/*} | grep -q "E: ID_USB_DRIVER=usbhid"
+        if [ $? -eq 0 ]; then
+            echo "Detected USB HID touchscreen driver, enabling multitouch driver." >> $LOG
+            modprobe hid_multitouch
+            sed -i 's/^# module debounce/module debounce/' /usr/local/etc/ts.conf
         fi
-    fi	
+        break
+    fi
+    udevadm info --query=property --path=$LINE | grep -q MOUSE
+    [ $? -eq 0 ] && eventno=$(basename $LINE);TOUCH=0;MOUSE=1
+    [ "$eventno" != "" ] && echo "Found mouse: $eventno" >> $LOG && break
+done
+rm -f $TMPFILE
+
+if [ x"" != x"$eventno" -a $TOUCH -eq 1 ]; then
+    export JIVE_NOCURSOR=1
+    export TSLIB_TSDEVICE=/dev/input/$eventno
+    export SDL_MOUSEDRV=TSLIB
+    export SDL_MOUSEDEV=$TSLIB_TSDEVICE
 fi
 
+# Determine the driver being used.  (drm-rpi-dsadrmf is a pi5 which must use the vc4 driver)
 if [ ! -z ${JL_FRAME_BUFFER} ]; then
     export SDL_FBDEV=$JL_FRAME_BUFFER
     echo "Using $SDL_FBDEV as frame buffer device." >> $LOG
+
+    case $(cat /proc/fb | grep -E ^${JL_FRAME_BUFFER: -1} | cut -d' ' -f2) in
+        vc4drmfb|drm-rp1-dsidrmf) DRIVER="VC4";;
+        BCM2708) DRIVER="BCM2708";;
+        *) DRIVER="OTHER"
+    esac
+    echo "Detected framebuffer driver: $DRIVER" >> $LOG
+fi
+
+# Set software rotation if screen rotate is set and vc4 driver is being used.
+if [ ! -z ${SCREENROTATE} ]; then
+    if [ "${DRIVER}" = "VC4" ]; then
+        # Rotation CCW=270, UD=180, CW=90 degrees
+        case "${SCREENROTATE}" in
+            90) export SDL_VIDEO_FBCON_ROTATION=CCW;;
+            180) export SDL_VIDEO_FBCON_ROTATION=UD;;
+            270) export SDL_VIDEO_FBCON_ROTATION=CW;;
+            *) unset SDL_VIDEO_FBCON_ROTATION;;
+        esac
+    fi
+    if [ ! -z ${SDL_VIDEO_FBCON_ROTATION} ]; then
+        echo "SDL screen rotation set to $SDL_VIDEO_FBCON_ROTATION." >> $LOG
+    else
+        echo "No Screen rotation, or handled in firmware." >> $LOG
+    fi
 fi
 
 if [ -z ${JL_FRAME_RATE} ]; then
@@ -34,13 +96,15 @@ if [ -z ${JL_FRAME_DEPTH} ]; then
     JL_FRAME_DEPTH=32
 fi
 
-/usr/sbin/fbset -depth $JL_FRAME_DEPTH >> $LOG
- 
-echo "Frame buffer color bit depth set to $JL_FRAME_DEPTH." >> $LOG
-
-if [ ! -z ${SDL_TOUCHSCREEN} ]; then
-    export JIVE_NOCURSOR=1
+if [ ${DRIVER} != "VC4" ]; then
+    /usr/sbin/fbset -depth $JL_FRAME_DEPTH >> $LOG
+else
+    case "${SCREENROTATE}" in
+        0) break;;
+        *) JL_FRAME_DEPTH=16;;
+    esac
 fi
+echo "Frame buffer color bit depth set to $JL_FRAME_DEPTH." >> $LOG
 
 export HOME=/home/tc