Add ability to load btrfs, sound and usb drivers as a module (#176)

* Add ability to load btrfs and usb drivers as a module
* Add load sound driver
* firstboot: correct btrfs loading only on fs change

---------

Co-authored-by: Apaczer <94932128+Apaczer@users.noreply.github.com>

board/miyoo/main/apps/usb-hid/usb-hid.sh

@@ -5,15 +5,19 @@ st_error_func(){
 st_exec_func(){
 	st -k -e "/bin/sh" "-c" "${1}"
 }
-	echo peripheral > /sys/devices/platform/soc/1c13000.usb/musb-hdrc.1.auto/mode
-	killall umtprd umtprd-debug
-	/mnt/apps/usb-mtd/remove.sh g2
-	modprobe -r g_serial
-	mount none /sys/kernel/config -t configfs
-	gadget-hid
-	st_exec_func "\
+echo peripheral > /sys/devices/platform/soc/1c13000.usb/musb-hdrc.1.auto/mode
+killall umtprd umtprd-debug
+/mnt/apps/usb-mtd/remove.sh g2
+modprobe usb_f_hid
+modprobe evdev
+modprobe uinput
+mount none /sys/kernel/config -t configfs
+gadget-hid
+st_exec_func "\
 	echo -e \"\e[32m\n\n\n\n\n\n               Starting USB-HID mode\e[0m\n\n\n\"; \
 	sleep 1; \
 	python /mnt/apps/usb-hid/usb-hid.py"
-
-	gadget-vid-pid-remove 0x1d6b:0x0104
+gadget-vid-pid-remove 0x1d6b:0x0104
+modprobe -r usb_f_hid
+modprobe -r evdev
+modprobe -r uinput

board/miyoo/main/apps/usb-host/usb-host.sh

@@ -1,3 +1,16 @@
 #!/bin/busybox sh
 echo host  > /sys/devices/platform/soc/1c13000.usb/musb-hdrc.1.auto/mode
 sleep 2
+
+modprobe evdev
+modprobe joydev
+modprobe analog
+modprobe xpad
+modprobe atkbd
+modprobe uinput
+modprobe psmouse
+modprobe synaptics_usb
+modprobe mousedev
+modprobe usbhid
+modprobe hid-generic
+modprobe hid

board/miyoo/main/apps/usb-mtd/usb-mtd.sh

@@ -1,7 +1,7 @@
 #!/bin/busybox sh
 
 echo peripheral > /sys/devices/platform/soc/1c13000.usb/musb-hdrc.1.auto/mode
-modprobe -r g_serial
+modprobe usb_f_fs
 killall umtprd umtprd-debug
 /mnt/apps/usb-mtd/remove.sh g2
 mount none /sys/kernel/config -t configfs

board/miyoo/main/apps/usb-network/usb-network.sh

@@ -5,9 +5,9 @@ MAC_HOST="12:34:56:78:9a:bd"
 MAC_DEV="12:34:56:78:9a:bc"
 
 echo peripheral > /sys/devices/platform/soc/1c13000.usb/musb-hdrc.1.auto/mode
-modprobe -r g_serial
 killall umtprd umtprd-debug
 /mnt/apps/usb-mtd/remove.sh g2
+modprobe usb_f_rndis
 sleep 1
 
 mount none /sys/kernel/config -t configfs

board/miyoo/main/apps/usb-serial-console/usb-serial.sh

@@ -1,4 +1,31 @@
 #!/bin/busybox sh
+
 echo peripheral > /sys/devices/platform/soc/1c13000.usb/musb-hdrc.1.auto/mode
+
 killall umtprd umtprd-debug
-modprobe g_serial
+/mnt/apps/usb-mtd/remove.sh g2
+mount none /sys/kernel/config -t configfs
+
+mkdir /sys/kernel/config/usb_gadget/g2
+cd /sys/kernel/config/usb_gadget/g2
+
+mkdir configs/c.1
+mkdir functions/acm.usb0
+mkdir strings/0x409
+mkdir configs/c.1/strings/0x409
+
+echo 0x0104 > idProduct                # Produkt: CDC ACM (Serial)
+echo 0x1D6B > idVendor                 # Producent: Linux Foundation
+
+echo "Miyoo Handheld" > strings/0x409/manufacturer
+echo "Miyoo CFW 2.0" > strings/0x409/product
+echo "deadbeef12345678" > strings/0x409/serialnumber
+
+echo "Conf 1" > configs/c.1/strings/0x409/configuration
+echo 120 > configs/c.1/MaxPower
+
+ln -s functions/acm.usb0 configs/c.1
+
+sleep 1
+ls /sys/class/udc/ > /sys/kernel/config/usb_gadget/g2/UDC
+