mirror of
https://github.com/wiidev/usbloadergx.git
synced 2024-09-08 08:33:19 +02:00
398 lines
9.0 KiB
C
398 lines
9.0 KiB
C
/*-------------------------------------------------------------
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usbstorage_starlet.c -- USB mass storage support, inside starlet
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Copyright (C) 2009 Kwiirk
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If this driver is linked before libogc, this will replace the original
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usbstorage driver by svpe from libogc
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This software is provided 'as-is', without any express or implied
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warranty. In no event will the authors be held liable for any
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damages arising from the use of this software.
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Permission is granted to anyone to use this software for any
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purpose, including commercial applications, and to alter it and
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redistribute it freely, subject to the following restrictions:
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1. The origin of this software must not be misrepresented; you
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must not claim that you wrote the original software. If you use
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this software in a product, an acknowledgment in the product
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documentation would be appreciated but is not required.
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2. Altered source versions must be plainly marked as such, and
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must not be misrepresented as being the original software.
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3. This notice may not be removed or altered from any source
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distribution.
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-------------------------------------------------------------*/
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#include <gccore.h>
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#include <malloc.h>
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#include <stdio.h>
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#include <string.h>
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/* IOCTL commands */
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#define UMS_BASE (('U'<<24)|('M'<<16)|('S'<<8))
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#define USB_IOCTL_UMS_INIT (UMS_BASE+0x1)
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#define USB_IOCTL_UMS_GET_CAPACITY (UMS_BASE+0x2)
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#define USB_IOCTL_UMS_READ_SECTORS (UMS_BASE+0x3)
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#define USB_IOCTL_UMS_WRITE_SECTORS (UMS_BASE+0x4)
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#define USB_IOCTL_UMS_READ_STRESS (UMS_BASE+0x5)
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#define USB_IOCTL_UMS_SET_VERBOSE (UMS_BASE+0x6)
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#define USB_IOCTL_UMS_UNMOUNT (UMS_BASE+0x10)
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#define USB_IOCTL_UMS_WATCHDOG (UMS_BASE+0x80)
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#define WBFS_BASE (('W'<<24)|('F'<<16)|('S'<<8))
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#define USB_IOCTL_WBFS_OPEN_DISC (WBFS_BASE+0x1)
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#define USB_IOCTL_WBFS_READ_DISC (WBFS_BASE+0x2)
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#define USB_IOCTL_WBFS_READ_DEBUG (WBFS_BASE+0x3)
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#define USB_IOCTL_WBFS_SET_DEVICE (WBFS_BASE+0x4)
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#define USB_IOCTL_WBFS_SET_FRAGLIST (WBFS_BASE+0x5)
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#define UMS_HEAPSIZE 0x1000
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/* Variables */
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static char fs[] ATTRIBUTE_ALIGN(32) = "/dev/usb2";
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static char fs2[] ATTRIBUTE_ALIGN(32) = "/dev/usb/ehc";
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static s32 hid = -1, fd = -1;
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static u32 sector_size;
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s32 USBStorage_GetCapacity(u32 *_sector_size) {
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if (fd > 0) {
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s32 ret;
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ret = IOS_IoctlvFormat(hid, fd, USB_IOCTL_UMS_GET_CAPACITY, ":i", §or_size);
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if (ret && _sector_size)
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*_sector_size = sector_size;
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return ret;
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}
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return IPC_ENOENT;
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}
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s32 USBStorage_Init(void) {
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s32 ret;
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/* Already open */
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if (fd > 0)
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return 0;
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/* Create heap */
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if (hid < 0) {
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hid = iosCreateHeap(UMS_HEAPSIZE);
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if (hid < 0)
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return IPC_ENOMEM;
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}
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/* Open USB device */
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fd = IOS_Open(fs, 0);
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if (fd < 0)
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fd = IOS_Open(fs2, 0);
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if (fd < 0)
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return fd;
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/* Initialize USB storage */
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ret = IOS_IoctlvFormat(hid, fd, USB_IOCTL_UMS_INIT, ":");
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if (ret<0) goto err;
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/* Get device capacity */
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ret = USBStorage_GetCapacity(NULL);
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if (!ret)
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goto err;
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return 0;
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err:
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/* Close USB device */
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if (fd > 0) {
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IOS_Close(fd);
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fd = -1;
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}
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return -1;
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}
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/** Hermes **/
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s32 USBStorage_Watchdog(u32 on_off) {
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if (fd >= 0) {
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s32 ret;
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ret = IOS_IoctlvFormat(hid, fd, USB_IOCTL_UMS_WATCHDOG, "i:", on_off);
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return ret;
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}
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return IPC_ENOENT;
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}
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s32 USBStorage_Umount(void) {
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if (fd >= 0) {
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s32 ret;
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ret = IOS_IoctlvFormat(hid, fd, USB_IOCTL_UMS_UNMOUNT, ":");
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return ret;
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}
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return IPC_ENOENT;
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}
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void USBStorage_Deinit(void) {
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/* Close USB device */
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if (fd > 0) {
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IOS_Close(fd);
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fd = -1;
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}
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}
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s32 USBStorage_ReadSectors(u32 sector, u32 numSectors, void *buffer) {
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// void *buf = (void *)buffer;
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u32 len = (sector_size * numSectors);
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s32 ret;
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/* Device not opened */
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if (fd < 0)
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return fd;
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ret = IOS_IoctlvFormat(hid, fd, USB_IOCTL_UMS_READ_SECTORS, "ii:d", sector, numSectors, buffer, len);
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return ret;
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}
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s32 USBStorage_WriteSectors(u32 sector, u32 numSectors, const void *buffer) {
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u32 len = (sector_size * numSectors);
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s32 ret;
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/* Device not opened */
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if (fd < 0)
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return fd;
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/* Write data */
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ret = IOS_IoctlvFormat(hid, fd, USB_IOCTL_UMS_WRITE_SECTORS, "ii:d", sector, numSectors, buffer, len);
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return ret;
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}
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static bool __io_usb_Startup(void)
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{
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return USBStorage_Init() >= 0;
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}
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static bool __io_usb_IsInserted(void)
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{
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s32 ret;
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if (fd < 0) return false;
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ret = USBStorage_GetCapacity(NULL);
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if (ret == 0) return false;
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return true;
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}
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bool __io_usb_ReadSectors(u32 sector, u32 count, void *buffer)
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{
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s32 ret = USBStorage_ReadSectors(sector, count, buffer);
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return ret > 0;
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}
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bool __io_usb_WriteSectors(u32 sector, u32 count, void *buffer)
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{
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s32 ret = USBStorage_WriteSectors(sector, count, buffer);
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return ret > 0;
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}
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static bool __io_usb_ClearStatus(void)
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{
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return true;
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}
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static bool __io_usb_Shutdown(void)
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{
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// do nothing
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return true;
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}
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static bool __io_usb_NOP(void)
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{
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// do nothing
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return true;
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}
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const DISC_INTERFACE __io_usbstorage_ro = {
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DEVICE_TYPE_WII_USB,
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FEATURE_MEDIUM_CANREAD | FEATURE_WII_USB,
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(FN_MEDIUM_STARTUP) &__io_usb_Startup,
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(FN_MEDIUM_ISINSERTED) &__io_usb_IsInserted,
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(FN_MEDIUM_READSECTORS) &__io_usb_ReadSectors,
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(FN_MEDIUM_WRITESECTORS) &__io_usb_NOP, //&__io_usb_WriteSectors,
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(FN_MEDIUM_CLEARSTATUS) &__io_usb_ClearStatus,
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(FN_MEDIUM_SHUTDOWN) &__io_usb_Shutdown
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};
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s32 USBStorage_WBFS_Open(char *buffer)
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{
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u32 len = 8;
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s32 ret;
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/* Device not opened */
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if (fd < 0)
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return fd;
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extern u32 wbfs_part_lba;
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u32 part = wbfs_part_lba;
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/* Read data */
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ret = IOS_IoctlvFormat(hid, fd, USB_IOCTL_WBFS_OPEN_DISC, "dd:", buffer, len, &part, 4);
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return ret;
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}
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// woffset is in 32bit words, len is in bytes
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s32 USBStorage_WBFS_Read(u32 woffset, u32 len, void *buffer)
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{
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s32 ret;
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USBStorage_Init();
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/* Device not opened */
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if (fd < 0)
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return fd;
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/* Read data */
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ret = IOS_IoctlvFormat(hid, fd, USB_IOCTL_WBFS_READ_DISC, "ii:d", woffset, len, buffer, len);
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return ret;
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}
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s32 USBStorage_WBFS_ReadDebug(u32 off, u32 size, void *buffer)
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{
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s32 ret;
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USBStorage_Init();
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/* Device not opened */
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if (fd < 0)
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return fd;
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/* Read data */
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ret = IOS_IoctlvFormat(hid, fd, USB_IOCTL_WBFS_READ_DEBUG, "ii:d", off, size, buffer, size);
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return ret;
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}
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s32 USBStorage_WBFS_SetDevice(int dev)
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{
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s32 ret;
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static s32 retval = 0;
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retval = 0;
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USBStorage_Init();
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// Device not opened
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if (fd < 0) return fd;
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// ioctl
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ret = IOS_IoctlvFormat(hid, fd, USB_IOCTL_WBFS_SET_DEVICE, "i:i", dev, &retval);
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if (retval) return retval;
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return ret;
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}
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s32 USBStorage_WBFS_SetFragList(void *p, int size)
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{
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s32 ret;
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USBStorage_Init();
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// Device not opened
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if (fd < 0) return fd;
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// ioctl
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ret = IOS_IoctlvFormat(hid, fd, USB_IOCTL_WBFS_SET_FRAGLIST, "d:", p, size);
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return ret;
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}
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#define DEVICE_TYPE_WII_UMS (('W'<<24)|('U'<<16)|('M'<<8)|'S')
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bool umsio_Startup() {
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return USBStorage_Init() == 0;
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}
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bool umsio_IsInserted() {
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return true; // allways true
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}
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bool umsio_ReadSectors(sec_t sector, sec_t numSectors, u8 *buffer) {
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u32 cnt = 0;
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s32 ret;
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/* Do reads */
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while (cnt < numSectors) {
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u32 sectors = (numSectors - cnt);
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/* Read sectors is too big */
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if (sectors > 32)
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sectors = 32;
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/* USB read */
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ret = USBStorage_ReadSectors(sector + cnt, sectors, &buffer[cnt*512]);
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if (ret < 0)
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return false;
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/* Increment counter */
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cnt += sectors;
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}
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return true;
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}
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bool umsio_WriteSectors(sec_t sector, sec_t numSectors, const u8* buffer) {
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u32 cnt = 0;
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s32 ret;
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/* Do writes */
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while (cnt < numSectors) {
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u32 sectors = (numSectors - cnt);
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/* Write sectors is too big */
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if (sectors > 32)
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sectors = 32;
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/* USB write */
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ret = USBStorage_WriteSectors(sector + cnt, sectors, &buffer[cnt * 512]);
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if (ret < 0)
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return false;
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/* Increment counter */
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cnt += sectors;
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}
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return true;
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}
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bool umsio_ClearStatus(void) {
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return true;
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}
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bool umsio_Shutdown() {
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USBStorage_Deinit();
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return true;
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}
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const DISC_INTERFACE __io_wiiums = {
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DEVICE_TYPE_WII_UMS,
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FEATURE_MEDIUM_CANREAD | FEATURE_MEDIUM_CANWRITE | FEATURE_WII_USB,
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(FN_MEDIUM_STARTUP) &umsio_Startup,
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(FN_MEDIUM_ISINSERTED) &umsio_IsInserted,
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(FN_MEDIUM_READSECTORS) &umsio_ReadSectors,
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(FN_MEDIUM_WRITESECTORS) &umsio_WriteSectors,
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(FN_MEDIUM_CLEARSTATUS) &umsio_ClearStatus,
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(FN_MEDIUM_SHUTDOWN) &umsio_Shutdown
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};
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const DISC_INTERFACE __io_wiiums_ro = {
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DEVICE_TYPE_WII_UMS,
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FEATURE_MEDIUM_CANREAD | FEATURE_MEDIUM_CANWRITE | FEATURE_WII_USB,
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(FN_MEDIUM_STARTUP) &umsio_Startup,
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(FN_MEDIUM_ISINSERTED) &umsio_IsInserted,
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(FN_MEDIUM_READSECTORS) &umsio_ReadSectors,
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(FN_MEDIUM_WRITESECTORS) &__io_usb_NOP,
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(FN_MEDIUM_CLEARSTATUS) &umsio_ClearStatus,
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(FN_MEDIUM_SHUTDOWN) &umsio_Shutdown
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};
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