99 lines
2.5 KiB
C
99 lines
2.5 KiB
C
/***************************************************************************
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* __________ __ ___
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* Open \______ \ ____ ____ | | _\_ |__ _______ ___
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* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
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* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
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* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
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* \/ \/ \/ \/ \/
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*
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* Copyright (C) 2018 by Marcin Bukat
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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****************************************************************************/
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#include <stdlib.h>
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#include <sys/mount.h>
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#include <string.h>
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#include "config.h"
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#include "disk.h"
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#include "usb.h"
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#include "sysfs.h"
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#include "power.h"
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#include "power-fiio.h"
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#ifdef HAVE_MULTIDRIVE
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void cleanup_rbhome(void);
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void startup_rbhome(void);
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#endif
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const char * const sysfs_usb_online =
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"/sys/class/power_supply/usb/online";
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int usb_detect(void)
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{
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int present = 0;
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sysfs_get_int(sysfs_usb_online, &present);
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return present ? USB_INSERTED : USB_EXTRACTED;
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}
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static bool usb_enabled = 0;
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void usb_enable(bool on)
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{
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if (usb_enabled == on)
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return;
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usb_enabled = on;
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if (on)
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{
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system ("insmod /lib/modules/3.10.14/kernel/driver/usb/gadget/libcomposite.ko");
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system ("insmod /lib/modules/3.10.14/kernel/driver/usb/gadget/usb_f_mass_storage.ko");
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system ("insmod /lib/modules/3.10.14/kernel/driver/usb/gadget/g_mass_storage.ko file=/dev/mmcblk0 removable=1");
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}
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else
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{
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system ("rmmod g_mass_storage");
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system ("rmmod usb_f_mass_storage");
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system ("rmmod libcomposite");
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}
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}
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/* This is called by usb thread after usb extract in order to return
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* regular FS access
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*
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* returns the # of successful mounts
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*/
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int disk_mount_all(void)
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{
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#ifdef HAVE_MULTIDRIVE
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startup_rbhome();
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#endif
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return 1;
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}
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/* This is called by usb thread after all threads ACKs usb inserted message
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*
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* returns the # of successful unmounts
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*/
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int disk_unmount_all(void)
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{
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#ifdef HAVE_MULTIDRIVE
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cleanup_rbhome();
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#endif
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return 1;
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}
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void usb_init_device(void)
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{
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system ("insmod /lib/modules/3.10.14/kernel/driver/staging/dwc2/dwc2.ko");
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usb_enable(true);
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}
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