rpcs3/rpcs3/Emu/Io/usio.cpp
2021-11-24 21:59:48 +01:00

453 lines
13 KiB
C++

// v406 USIO emulator
// Responses may be specific to Taiko no Tatsujin
#include "stdafx.h"
#include "usio.h"
#include "Emu/Cell/lv2/sys_usbd.h"
#include "Input/pad_thread.h"
#include "Emu/System.h"
LOG_CHANNEL(usio_log);
usb_device_usio::usb_device_usio()
{
device = UsbDescriptorNode(USB_DESCRIPTOR_DEVICE,
UsbDeviceDescriptor{
.bcdUSB = 0x0110,
.bDeviceClass = 0xff,
.bDeviceSubClass = 0x00,
.bDeviceProtocol = 0xff,
.bMaxPacketSize0 = 0x8,
.idVendor = 0x0b9a,
.idProduct = 0x0910,
.bcdDevice = 0x0910,
.iManufacturer = 0x01,
.iProduct = 0x02,
.iSerialNumber = 0x00,
.bNumConfigurations = 0x01});
auto& config0 = device.add_node(UsbDescriptorNode(USB_DESCRIPTOR_CONFIG,
UsbDeviceConfiguration{
.wTotalLength = 39,
.bNumInterfaces = 0x01,
.bConfigurationValue = 0x01,
.iConfiguration = 0x00,
.bmAttributes = 0xc0,
.bMaxPower = 0x32 // ??? 100ma
}));
config0.add_node(UsbDescriptorNode(USB_DESCRIPTOR_INTERFACE,
UsbDeviceInterface{
.bInterfaceNumber = 0x00,
.bAlternateSetting = 0x00,
.bNumEndpoints = 0x03,
.bInterfaceClass = 0x00,
.bInterfaceSubClass = 0x00,
.bInterfaceProtocol = 0x00,
.iInterface = 0x00}));
config0.add_node(UsbDescriptorNode(USB_DESCRIPTOR_ENDPOINT,
UsbDeviceEndpoint{
.bEndpointAddress = 0x01,
.bmAttributes = 0x02,
.wMaxPacketSize = 0x0040,
.bInterval = 0x00}));
config0.add_node(UsbDescriptorNode(USB_DESCRIPTOR_ENDPOINT,
UsbDeviceEndpoint{
.bEndpointAddress = 0x82,
.bmAttributes = 0x02,
.wMaxPacketSize = 0x0040,
.bInterval = 0x00}));
config0.add_node(UsbDescriptorNode(USB_DESCRIPTOR_ENDPOINT,
UsbDeviceEndpoint{
.bEndpointAddress = 0x83,
.bmAttributes = 0x03,
.wMaxPacketSize = 0x0008,
.bInterval = 16}));
}
usb_device_usio::~usb_device_usio()
{
}
void usb_device_usio::control_transfer(u8 bmRequestType, u8 bRequest, u16 wValue, u16 wIndex, u16 wLength, u32 buf_size, u8* buf, UsbTransfer* transfer)
{
transfer->fake = true;
// Control transfers are nearly instant
switch (bmRequestType)
{
default:
// Follow to default emulated handler
usb_device_emulated::control_transfer(bmRequestType, bRequest, wValue, wIndex, wLength, buf_size, buf, transfer);
break;
}
}
void usb_device_usio::translate_input()
{
std::lock_guard lock(pad::g_pad_mutex);
const auto handler = pad::get_current_handler();
std::vector<u8> input_buf = {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x07, 0x00, 0x00, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x60, 0x00, 0x60, 0x00, 0x60, 0x00, 0x60, 0x00, 0x60, 0x00, 0x60, 0x00, 0x60, 0x00, 0x60, 0x00, 0x60, 0x00, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
constexpr u16 SMALL_HIT = 0x4A0;
constexpr u16 BIG_HIT = 0xA40;
auto translate_from_pad = [&](u8 pad_number, u8 player)
{
const auto& pad = handler->GetPads()[pad_number];
if (!(pad->m_port_status & CELL_PAD_STATUS_CONNECTED))
{
return;
}
const std::size_t offset = (player * 8);
for (const Button& button : pad->m_buttons)
{
if (button.m_pressed)
{
if (button.m_offset == CELL_PAD_BTN_OFFSET_DIGITAL2)
{
switch (button.m_outKeyCode)
{
case CELL_PAD_CTRL_SQUARE:
// Strong hit side left
*reinterpret_cast<le_t<u16>*>(&input_buf[32 + offset]) = BIG_HIT;
break;
case CELL_PAD_CTRL_CROSS:
// Strong hit center right
*reinterpret_cast<le_t<u16>*>(&input_buf[36 + offset]) = BIG_HIT;
break;
case CELL_PAD_CTRL_CIRCLE:
// Strong hit side right
*reinterpret_cast<le_t<u16>*>(&input_buf[38 + offset]) = BIG_HIT;
break;
case CELL_PAD_CTRL_TRIANGLE:
// Strong hit center left
*reinterpret_cast<le_t<u16>*>(&input_buf[34 + offset]) = BIG_HIT;
break;
case CELL_PAD_CTRL_L1:
// Small hit center left
*reinterpret_cast<le_t<u16>*>(&input_buf[34 + offset]) = SMALL_HIT;
break;
case CELL_PAD_CTRL_R1:
// Small hit center right
*reinterpret_cast<le_t<u16>*>(&input_buf[36 + offset]) = SMALL_HIT;
break;
case CELL_PAD_CTRL_L2:
// Small hit side left
*reinterpret_cast<le_t<u16>*>(&input_buf[32 + offset]) = SMALL_HIT;
break;
case CELL_PAD_CTRL_R2:
// Small hit side right
*reinterpret_cast<le_t<u16>*>(&input_buf[38 + offset]) = SMALL_HIT;
break;
default:
break;
}
}
}
}
};
translate_from_pad(0, 0);
translate_from_pad(1, 1);
q_replies.push(input_buf);
q_replies.push({0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00});
}
void usb_device_usio::usio_write(u8 channel, u16 reg, const std::vector<u8>& data)
{
const auto get_u16 = [&](std::string_view usio_func) -> u16
{
if (data.size() != 2)
{
usio_log.fatal("data.size() is %d, expected 2 for get_u16 in %s", data.size(), usio_func);
}
return *reinterpret_cast<const le_t<u16>*>(data.data());
};
if (channel == 0)
{
switch (reg)
{
case 0x0002:
{
usio_log.notice("SetSystemError: 0x%04X", get_u16("SetSystemError"));
break;
}
case 0x000A:
{
u16 command = get_u16("ClearSram");
ensure(command == 0x6666, "USIO: Unexpected Command instead of ClearSram");
usio_log.notice("ClearSram");
break;
}
case 0x0028:
{
usio_log.notice("SetExpansionMode: 0x%04X", get_u16("SetExpansionMode"));
break;
}
case 0x0048:
case 0x0058:
case 0x0068:
case 0x0078:
{
usio_log.notice("SetHopperRequest(Hopper: %d, Request: 0x%04X)", (reg - 0x48) / 0x10, get_u16("SetHopperRequest"));
break;
}
case 0x004A:
case 0x005A:
case 0x006A:
case 0x007A:
{
usio_log.notice("SetHopperRequest(Hopper: %d, Limit: 0x%04X)", (reg - 0x4A) / 0x10, get_u16("SetHopperLimit"));
break;
}
default:
{
//usio_log.error("Unhandled channel 0 register write: 0x%04X", reg);
break;
}
}
}
else if (channel >= 2)
{
usio_log.trace("Usio write of sram(chip: %d, addr: 0x%04X)", channel - 2, reg);
}
else
{
usio_log.fatal("Unexpected write channel: 0x%02X!", channel);
}
}
void usb_device_usio::usio_read(u8 channel, u16 reg, u16 size)
{
auto push_zeroes = [&]()
{
// Give it 00s
std::vector<u8> zeroes;
u16 left = size;
while (left > 0)
{
u16 to_push = std::min(left, static_cast<u16>(64));
zeroes.resize(to_push);
q_replies.push(zeroes);
left -= to_push;
}
};
if (channel == 0)
{
switch (reg)
{
case 0x0000:
{
// Get Buffer, rarely gives a reply on real HW
// First U16 seems to be a timestamp of sort
// Purpose seems related to BananaPass
q_replies.push({0x7E, 0xE4, 0x00, 0x00, 0x74, 0x01, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x7E, 0x00, 0x7E, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00});
break;
}
case 0x0080:
{
// Purpose unknown
ensure(size == 0x10);
q_replies.push({0x02, 0x03, 0x00, 0x00, 0xFF, 0x0F, 0x00, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x05, 0x10, 0x00});
break;
}
case 0x1080:
{
// Often called, gets input from usio
translate_input();
break;
}
case 0x1800:
{
usio_log.trace("Firmware Query on 0x1800");
ensure(size == 0x70);
// Firmware
// "NBGI.;USIO01;Ver1.00;JPN,Multipurpose with PPG."
q_replies.push({0x4E, 0x42, 0x47, 0x49, 0x2E, 0x3B, 0x55, 0x53, 0x49, 0x4F, 0x30, 0x31, 0x3B, 0x56, 0x65, 0x72, 0x31, 0x2E, 0x30, 0x30, 0x3B, 0x4A, 0x50, 0x4E, 0x2C, 0x4D, 0x75, 0x6C, 0x74, 0x69, 0x70, 0x75, 0x72, 0x70, 0x6F, 0x73, 0x65, 0x20, 0x77, 0x69, 0x74, 0x68, 0x20, 0x50, 0x50, 0x47, 0x2E, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00});
q_replies.push({0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00});
break;
}
case 0x1880:
{
// Seems to contain a few extra bytes of info in addition to the firmware string
usio_log.trace("Firmware query on 0x1880");
ensure(size == 0x70);
// Firmware
// "NBGI2;USIO01;Ver1.00;JPN,Multipurpose with PPG."
q_replies.push({0x4E, 0x42, 0x47, 0x49, 0x32, 0x3B, 0x55, 0x53, 0x49, 0x4F, 0x30, 0x31, 0x3B, 0x56, 0x65, 0x72, 0x31, 0x2E, 0x30, 0x30, 0x3B, 0x4A, 0x50, 0x4E, 0x2C, 0x4D, 0x75, 0x6C, 0x74, 0x69, 0x70, 0x75, 0x72, 0x70, 0x6F, 0x73, 0x65, 0x20, 0x77, 0x69, 0x74, 0x68, 0x20, 0x50, 0x50, 0x47, 0x2E, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00});
q_replies.push({0x01, 0x00, 0x13, 0x00, 0x30, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x03, 0x02, 0x00, 0x08, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03, 0x00, 0x03, 0x00, 0x08, 0xE2, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00});
break;
}
default:
{
usio_log.fatal("Unhandled channel 0 register read: 0x%04X", reg);
break;
}
}
}
else if (channel >= 2)
{
u8 chip = channel - 2;
usio_log.trace("Usio read of sram(chip: %d, addr: 0x%04X)", chip, reg);
switch (chip)
{
case 0:
{
switch (reg)
{
case 0x0000:
{
ensure(size == 0xB8);
// No data returned
break;
}
case 0x0180:
{
ensure(size == 0x28);
// "LASTGAMESTATUS ver.3"
q_replies.push({0x4C, 0x41, 0x53, 0x54, 0x47, 0x41, 0x4D, 0x45, 0x53, 0x54, 0x41, 0x54, 0x55, 0x53, 0x20, 0x76, 0x65, 0x72, 0x2E, 0x33, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00});
break;
}
case 0x0200:
{
ensure(size == 0x100);
// No data returned
break;
}
case 0x1000:
{
ensure(size == 0x1000);
push_zeroes();
break;
}
default:
{
usio_log.fatal("Unhandled read of sram(chip: %d, addr: 0x%04X)", channel - 2, reg);
push_zeroes();
break;
}
}
break;
}
default:
{
usio_log.fatal("Unhandled read of sram(chip: %d, addr: 0x%04X)", channel - 2, reg);
push_zeroes();
break;
}
}
}
else
{
usio_log.fatal("Unexpected read channel: 0x%02X!", channel);
}
}
void usb_device_usio::interrupt_transfer(u32 buf_size, u8* buf, u32 endpoint, UsbTransfer* transfer)
{
constexpr u8 USIO_COMMAND_WRITE = 0x90;
constexpr u8 USIO_COMMAND_READ = 0x10;
static bool expecting_data = false;
static std::vector<u8> usio_data;
static u8 usio_channel = 0;
static u16 usio_register = 0;
static u16 usio_length = 0;
transfer->fake = true;
transfer->expected_result = HC_CC_NOERR;
// The latency varies per operation but it doesn't seem to matter for this device so let's go fast!
transfer->expected_time = get_timestamp();
switch (endpoint)
{
case 0x01:
{
// Write endpoint
transfer->expected_count = buf_size;
if (expecting_data)
{
usio_data.insert(usio_data.end(), buf, buf + buf_size);
usio_length -= buf_size;
if (usio_length == 0)
{
expecting_data = false;
usio_write(usio_channel, usio_register, usio_data);
}
return;
}
// Commands
ensure(buf_size == 6, "Expected a command but buf_size != 6");
usio_channel = buf[0] & 0xF;
usio_register = *reinterpret_cast<le_t<u16>*>(&buf[2]);
usio_length = *reinterpret_cast<le_t<u16>*>(&buf[4]);
if ((buf[0] & USIO_COMMAND_WRITE) == USIO_COMMAND_WRITE)
{
usio_log.trace("UsioWrite(Channel: 0x%02X, Register: 0x%04X, Length: 0x%04X)", usio_channel, usio_register, usio_length);
ensure(((~(usio_register >> 8)) & 0xF0) == buf[1]);
expecting_data = true;
usio_data.clear();
return;
}
if ((buf[0] & USIO_COMMAND_READ) == USIO_COMMAND_READ)
{
usio_log.trace("UsioRead(Channel: 0x%02X, Register: 0x%04X, Length: 0x%04X)", usio_channel, usio_register, usio_length);
usio_read(usio_channel, usio_register, usio_length);
return;
}
// Unknown, happens only once, boot command?
if ((buf[0] & 0xA0) == 0xA0)
{
const std::array<u8, 6> boot_command = {0xA0, 0xF0, 0x28, 0x00, 0x00, 0x80};
ensure(memcmp(buf, boot_command.data(), 6) == 0);
return;
}
fmt::throw_exception("Received an unexpected command: 0x%02X", buf[0]);
}
case 0x82:
{
// Read endpoint
if (!q_replies.empty())
{
// Sometimes software will outright ignore what usio sends and read with a buffer of 0
if (buf_size == 0)
{
transfer->expected_count = q_replies.front().size();
q_replies.pop();
break;
}
// Otherwise we expect the buffer to be appropriately sized
ensure(buf_size >= q_replies.front().size());
memcpy(buf, q_replies.front().data(), q_replies.front().size());
transfer->expected_count = q_replies.front().size();
q_replies.pop();
}
else
{
transfer->expected_count = 0;
}
break;
}
default:
usio_log.fatal("Unhandled endpoint: 0x%x", endpoint);
break;
}
}