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Diffstat (limited to 'firmware/target/hosted/aigo/usb-erosq.c')
-rw-r--r--firmware/target/hosted/aigo/usb-erosq.c118
1 files changed, 118 insertions, 0 deletions
diff --git a/firmware/target/hosted/aigo/usb-erosq.c b/firmware/target/hosted/aigo/usb-erosq.c
new file mode 100644
index 0000000000..2a3acf4d62
--- /dev/null
+++ b/firmware/target/hosted/aigo/usb-erosq.c
@@ -0,0 +1,118 @@
+/***************************************************************************
+ * __________ __ ___
+ * Open \______ \ ____ ____ | | _\_ |__ _______ ___
+ * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
+ * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
+ * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
+ * \/ \/ \/ \/ \/
+ *
+ * Copyright (C) 2018 by Marcin Bukat
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ****************************************************************************/
+
+#include <stdlib.h>
+#include <sys/mount.h>
+#include <string.h>
+#include "config.h"
+#include "disk.h"
+#include "usb.h"
+#include "sysfs.h"
+#include "power.h"
+#include "power-erosq.h"
+
+static bool adb_mode = false;
+
+/* TODO: implement usb detection properly */
+int usb_detect(void)
+{
+ return power_input_status() == POWER_INPUT_USB_CHARGER ? USB_INSERTED : USB_EXTRACTED;
+}
+
+void usb_enable(bool on)
+{
+ /* Ignore usb enable/disable when ADB is enabled so we can fireup adb shell
+ * without entering ums mode
+ */
+ if (!adb_mode)
+ {
+ sysfs_set_int("/sys/class/android_usb/android0/enable", on ? 1 : 0);
+ }
+}
+
+/* This is called by usb thread after usb extract in order to return
+ * regular FS access
+ *
+ * returns the # of successful mounts
+*/
+int disk_mount_all(void)
+{
+ const char *dev[] = {"/dev/mmcblk0p1", "/dev/mmcblk0"};
+ const char *fs[] = {"vfat", "exfat"};
+
+ sysfs_set_string("/sys/class/android_usb/android0/f_mass_storage/lun/file", "");
+
+ for (int i=0; i<2; i++)
+ {
+ for (int j=0; j<2; j++)
+ {
+ if (mount(dev[i], "/mnt/sd_0", fs[j], 0, NULL) == 0)
+ {
+ return 1;
+ }
+ }
+ }
+
+ return 0;
+}
+
+/* This is called by usb thread after all threads ACKs usb inserted message
+ *
+ * returns the # of successful unmounts
+ */
+int disk_unmount_all(void)
+{
+ if (umount("/mnt/sd_0") == 0)
+ {
+ sysfs_set_string("/sys/class/android_usb/android0/f_mass_storage/lun/file", "/dev/mmcblk0");
+ return 1;
+ }
+
+ return 0;
+}
+
+void usb_init_device(void)
+{
+ char functions[32] = {0};
+
+ /* Check if ADB was activated in bootloader */
+ sysfs_get_string("/sys/class/android_usb/android0/functions", functions, sizeof(functions));
+ adb_mode = (strstr(functions, "adb") == NULL) ? false : true;
+
+ usb_enable(false);
+
+ if (adb_mode)
+ {
+ sysfs_set_string("/sys/class/android_usb/android0/functions", "mass_storage,adb");
+ sysfs_set_string("/sys/class/android_usb/android0/idVendor", "18D1");
+ sysfs_set_string("/sys/class/android_usb/android0/idProduct", "D002");
+ }
+ else
+ {
+ sysfs_set_string("/sys/class/android_usb/android0/functions", "mass_storage");
+ sysfs_set_string("/sys/class/android_usb/android0/idVendor", "C502");
+ sysfs_set_string("/sys/class/android_usb/android0/idProduct", "0023");
+ }
+
+ sysfs_set_string("/sys/class/android_usb/android0/iManufacturer", "Rockbox.org");
+ sysfs_set_string("/sys/class/android_usb/android0/iProduct", "Rockbox media player");
+ sysfs_set_string("/sys/class/android_usb/android0/iSerial", "0123456789ABCDEF");
+ sysfs_set_string("/sys/class/android_usb/android0/f_mass_storage/inquiry_string", "ErosQ 0100");
+}