/*
* Copyright (c) Atmosphère-NX
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see .
*/
#include
namespace haze {
namespace {
constexpr const u32 DefaultInterfaceNumber = 0;
}
Result UsbSession::Initialize1x(const UsbCommsInterfaceInfo *info) {
struct usb_interface_descriptor interface_descriptor = {
.bLength = USB_DT_INTERFACE_SIZE,
.bDescriptorType = USB_DT_INTERFACE,
.bInterfaceNumber = DefaultInterfaceNumber,
.bInterfaceClass = info->bInterfaceClass,
.bInterfaceSubClass = info->bInterfaceSubClass,
.bInterfaceProtocol = info->bInterfaceProtocol,
};
struct usb_endpoint_descriptor endpoint_descriptor_in = {
.bLength = USB_DT_ENDPOINT_SIZE,
.bDescriptorType = USB_DT_ENDPOINT,
.bEndpointAddress = USB_ENDPOINT_IN,
.bmAttributes = USB_TRANSFER_TYPE_BULK,
.wMaxPacketSize = PtpUsbBulkHighSpeedMaxPacketLength,
};
struct usb_endpoint_descriptor endpoint_descriptor_out = {
.bLength = USB_DT_ENDPOINT_SIZE,
.bDescriptorType = USB_DT_ENDPOINT,
.bEndpointAddress = USB_ENDPOINT_OUT,
.bmAttributes = USB_TRANSFER_TYPE_BULK,
.wMaxPacketSize = PtpUsbBulkHighSpeedMaxPacketLength,
};
struct usb_endpoint_descriptor endpoint_descriptor_interrupt = {
.bLength = USB_DT_ENDPOINT_SIZE,
.bDescriptorType = USB_DT_ENDPOINT,
.bEndpointAddress = USB_ENDPOINT_IN,
.bmAttributes = USB_TRANSFER_TYPE_INTERRUPT,
.wMaxPacketSize = 0x18,
.bInterval = 0x4,
};
/* Set up interface. */
R_TRY(usbDsGetDsInterface(std::addressof(m_interface), std::addressof(interface_descriptor), "usb"));
/* Set up endpoints. */
R_TRY(usbDsInterface_GetDsEndpoint(m_interface, std::addressof(m_endpoints[UsbSessionEndpoint_Write]), std::addressof(endpoint_descriptor_in)));
R_TRY(usbDsInterface_GetDsEndpoint(m_interface, std::addressof(m_endpoints[UsbSessionEndpoint_Read]), std::addressof(endpoint_descriptor_out)));
R_TRY(usbDsInterface_GetDsEndpoint(m_interface, std::addressof(m_endpoints[UsbSessionEndpoint_Interrupt]), std::addressof(endpoint_descriptor_interrupt)));
R_RETURN(usbDsInterface_EnableInterface(m_interface));
}
Result UsbSession::Initialize5x(const UsbCommsInterfaceInfo *info) {
struct usb_interface_descriptor interface_descriptor = {
.bLength = USB_DT_INTERFACE_SIZE,
.bDescriptorType = USB_DT_INTERFACE,
.bInterfaceNumber = DefaultInterfaceNumber,
.bNumEndpoints = 3,
.bInterfaceClass = info->bInterfaceClass,
.bInterfaceSubClass = info->bInterfaceSubClass,
.bInterfaceProtocol = info->bInterfaceProtocol,
};
struct usb_endpoint_descriptor endpoint_descriptor_in = {
.bLength = USB_DT_ENDPOINT_SIZE,
.bDescriptorType = USB_DT_ENDPOINT,
.bEndpointAddress = USB_ENDPOINT_IN,
.bmAttributes = USB_TRANSFER_TYPE_BULK,
.wMaxPacketSize = PtpUsbBulkHighSpeedMaxPacketLength,
};
struct usb_endpoint_descriptor endpoint_descriptor_out = {
.bLength = USB_DT_ENDPOINT_SIZE,
.bDescriptorType = USB_DT_ENDPOINT,
.bEndpointAddress = USB_ENDPOINT_OUT,
.bmAttributes = USB_TRANSFER_TYPE_BULK,
.wMaxPacketSize = PtpUsbBulkHighSpeedMaxPacketLength,
};
struct usb_endpoint_descriptor endpoint_descriptor_interrupt = {
.bLength = USB_DT_ENDPOINT_SIZE,
.bDescriptorType = USB_DT_ENDPOINT,
.bEndpointAddress = USB_ENDPOINT_IN,
.bmAttributes = USB_TRANSFER_TYPE_INTERRUPT,
.wMaxPacketSize = 0x18,
.bInterval = 0x6,
};
struct usb_ss_endpoint_companion_descriptor endpoint_companion = {
.bLength = sizeof(struct usb_ss_endpoint_companion_descriptor),
.bDescriptorType = USB_DT_SS_ENDPOINT_COMPANION,
.bMaxBurst = 0x0f,
.bmAttributes = 0x00,
.wBytesPerInterval = 0x00,
};
struct usb_ss_endpoint_companion_descriptor endpoint_companion_interrupt = {
.bLength = sizeof(struct usb_ss_endpoint_companion_descriptor),
.bDescriptorType = USB_DT_SS_ENDPOINT_COMPANION,
.bMaxBurst = 0x00,
.bmAttributes = 0x00,
.wBytesPerInterval = 0x00,
};
R_TRY(usbDsRegisterInterface(std::addressof(m_interface)));
u8 iInterface;
R_TRY(usbDsAddUsbStringDescriptor(std::addressof(iInterface), "MTP"));
interface_descriptor.bInterfaceNumber = m_interface->interface_index;
interface_descriptor.iInterface = iInterface;
endpoint_descriptor_in.bEndpointAddress += interface_descriptor.bInterfaceNumber + 1;
endpoint_descriptor_out.bEndpointAddress += interface_descriptor.bInterfaceNumber + 1;
endpoint_descriptor_interrupt.bEndpointAddress += interface_descriptor.bInterfaceNumber + 2;
/* High speed config. */
R_TRY(usbDsInterface_AppendConfigurationData(m_interface, UsbDeviceSpeed_High, std::addressof(interface_descriptor), USB_DT_INTERFACE_SIZE));
R_TRY(usbDsInterface_AppendConfigurationData(m_interface, UsbDeviceSpeed_High, std::addressof(endpoint_descriptor_in), USB_DT_ENDPOINT_SIZE));
R_TRY(usbDsInterface_AppendConfigurationData(m_interface, UsbDeviceSpeed_High, std::addressof(endpoint_descriptor_out), USB_DT_ENDPOINT_SIZE));
R_TRY(usbDsInterface_AppendConfigurationData(m_interface, UsbDeviceSpeed_High, std::addressof(endpoint_descriptor_interrupt), USB_DT_ENDPOINT_SIZE));
/* Super speed config. */
endpoint_descriptor_in.wMaxPacketSize = PtpUsbBulkSuperSpeedMaxPacketLength;
endpoint_descriptor_out.wMaxPacketSize = PtpUsbBulkSuperSpeedMaxPacketLength;
R_TRY(usbDsInterface_AppendConfigurationData(m_interface, UsbDeviceSpeed_Super, std::addressof(interface_descriptor), USB_DT_INTERFACE_SIZE));
R_TRY(usbDsInterface_AppendConfigurationData(m_interface, UsbDeviceSpeed_Super, std::addressof(endpoint_descriptor_in), USB_DT_ENDPOINT_SIZE));
R_TRY(usbDsInterface_AppendConfigurationData(m_interface, UsbDeviceSpeed_Super, std::addressof(endpoint_companion), USB_DT_SS_ENDPOINT_COMPANION_SIZE));
R_TRY(usbDsInterface_AppendConfigurationData(m_interface, UsbDeviceSpeed_Super, std::addressof(endpoint_descriptor_out), USB_DT_ENDPOINT_SIZE));
R_TRY(usbDsInterface_AppendConfigurationData(m_interface, UsbDeviceSpeed_Super, std::addressof(endpoint_companion), USB_DT_SS_ENDPOINT_COMPANION_SIZE));
R_TRY(usbDsInterface_AppendConfigurationData(m_interface, UsbDeviceSpeed_Super, std::addressof(endpoint_descriptor_interrupt), USB_DT_ENDPOINT_SIZE));
R_TRY(usbDsInterface_AppendConfigurationData(m_interface, UsbDeviceSpeed_Super, std::addressof(endpoint_companion_interrupt), USB_DT_SS_ENDPOINT_COMPANION_SIZE));
/* Set up endpoints. */
R_TRY(usbDsInterface_RegisterEndpoint(m_interface, std::addressof(m_endpoints[UsbSessionEndpoint_Write]), endpoint_descriptor_in.bEndpointAddress));
R_TRY(usbDsInterface_RegisterEndpoint(m_interface, std::addressof(m_endpoints[UsbSessionEndpoint_Read]), endpoint_descriptor_out.bEndpointAddress));
R_TRY(usbDsInterface_RegisterEndpoint(m_interface, std::addressof(m_endpoints[UsbSessionEndpoint_Interrupt]), endpoint_descriptor_interrupt.bEndpointAddress));
R_RETURN(usbDsInterface_EnableInterface(m_interface));
}
Result UsbSession::Initialize(const UsbCommsInterfaceInfo *info, u16 id_vendor, u16 id_product) {
R_TRY(usbDsInitialize());
if (hosversionAtLeast(5, 0, 0)) {
/* Report language as US English. */
static const u16 supported_langs[1] = { 0x0409 };
R_TRY(usbDsAddUsbLanguageStringDescriptor(nullptr, supported_langs, util::size(supported_langs)));
/* Report strings. */
u8 iManufacturer, iProduct, iSerialNumber;
R_TRY(usbDsAddUsbStringDescriptor(std::addressof(iManufacturer), "Nintendo"));
R_TRY(usbDsAddUsbStringDescriptor(std::addressof(iProduct), "Nintendo Switch"));
R_TRY(usbDsAddUsbStringDescriptor(std::addressof(iSerialNumber), GetSerialNumber()));
/* Send device descriptors */
struct usb_device_descriptor device_descriptor = {
.bLength = USB_DT_DEVICE_SIZE,
.bDescriptorType = USB_DT_DEVICE,
.bcdUSB = 0x0200,
.bDeviceClass = 0x00,
.bDeviceSubClass = 0x00,
.bDeviceProtocol = 0x00,
.bMaxPacketSize0 = 0x40,
.idVendor = id_vendor,
.idProduct = id_product,
.bcdDevice = 0x0100,
.iManufacturer = iManufacturer,
.iProduct = iProduct,
.iSerialNumber = iSerialNumber,
.bNumConfigurations = 0x01
};
R_TRY(usbDsSetUsbDeviceDescriptor(UsbDeviceSpeed_High, std::addressof(device_descriptor)));
device_descriptor.bcdUSB = 0x0300;
device_descriptor.bMaxPacketSize0 = 0x09;
R_TRY(usbDsSetUsbDeviceDescriptor(UsbDeviceSpeed_Super, std::addressof(device_descriptor)));
/* Binary Object Store */
u8 bos[0x16] = {
0x05, /* .bLength */
USB_DT_BOS, /* .bDescriptorType */
0x16, 0x00, /* .wTotalLength */
0x02, /* .bNumDeviceCaps */
/* USB 2.0 */
0x07, /* .bLength */
USB_DT_DEVICE_CAPABILITY, /* .bDescriptorType */
0x02, /* .bDevCapabilityType */
0x02, 0x00, 0x00, 0x00, /* .bmAttributes */
/* USB 3.0 */
0x0a, /* .bLength */
USB_DT_DEVICE_CAPABILITY, /* .bDescriptorType */
0x03, /* .bDevCapabilityType */
0x00, /* .bmAttributes */
0x0c, 0x00, /* .wSpeedSupported */
0x03, /* .bFunctionalitySupport */
0x00, /* .bU1DevExitLat */
0x00, 0x00 /* .bU2DevExitLat */
};
R_TRY(usbDsSetBinaryObjectStore(bos, sizeof(bos)));
}
if (hosversionAtLeast(5, 0, 0)) {
R_TRY(this->Initialize5x(info));
R_TRY(usbDsEnable());
} else {
R_TRY(this->Initialize1x(info));
}
R_SUCCEED();
}
void UsbSession::Finalize() {
usbDsExit();
}
bool UsbSession::GetConfigured() const {
UsbState usb_state;
HAZE_R_ABORT_UNLESS(usbDsGetState(std::addressof(usb_state)));
return usb_state == UsbState_Configured;
}
Event *UsbSession::GetCompletionEvent(UsbSessionEndpoint ep) const {
return std::addressof(m_endpoints[ep]->CompletionEvent);
}
Result UsbSession::TransferAsync(UsbSessionEndpoint ep, void *buffer, u32 size, u32 *out_urb_id) {
R_RETURN(usbDsEndpoint_PostBufferAsync(m_endpoints[ep], buffer, size, out_urb_id));
}
Result UsbSession::GetTransferResult(UsbSessionEndpoint ep, u32 urb_id, u32 *out_transferred_size) {
UsbDsReportData report_data;
R_TRY(eventClear(std::addressof(m_endpoints[ep]->CompletionEvent)));
R_TRY(usbDsEndpoint_GetReportData(m_endpoints[ep], std::addressof(report_data)));
R_TRY(usbDsParseReportData(std::addressof(report_data), urb_id, nullptr, out_transferred_size));
R_SUCCEED();
}
}