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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,58 @@ | ||
| /****************************************************************************** | ||
| * * | ||
| * Copyright (C) 2024 MachineWare GmbH * | ||
| * All Rights Reserved * | ||
| * * | ||
| * This is work is licensed under the terms described in the LICENSE file * | ||
| * found in the root directory of this source tree. * | ||
| * * | ||
| ******************************************************************************/ | ||
|
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| #ifndef VCML_USB_HOSTDEV_H | ||
| #define VCML_USB_HOSTDEV_H | ||
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| #include "vcml/core/types.h" | ||
| #include "vcml/core/systemc.h" | ||
| #include "vcml/core/module.h" | ||
| #include "vcml/core/model.h" | ||
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| #include "vcml/protocols/usb.h" | ||
| #include "vcml/models/usb/device.h" | ||
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| struct libusb_context; | ||
| struct libusb_device; | ||
| struct libusb_device_handle; | ||
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| namespace vcml { | ||
| namespace usb { | ||
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| class hostdev : public device | ||
| { | ||
| private: | ||
| struct libusb_device* m_device; | ||
| struct libusb_device_handle* m_handle; | ||
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| public: | ||
| property<u32> hostbus; | ||
| property<u32> hostaddr; | ||
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| usb_target_socket usb_in; | ||
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| hostdev(const sc_module_name& nm); | ||
| virtual ~hostdev(); | ||
| VCML_KIND(usb::hostdev); | ||
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| protected: | ||
| virtual usb_result get_data(u32 ep, u8* data, size_t len) override; | ||
| virtual usb_result set_data(u32 ep, const u8* data, size_t len) override; | ||
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| virtual usb_result handle_control(u16 req, u16 val, u16 idx, u8* data, | ||
| size_t length) override; | ||
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| virtual void usb_reset_device() override; | ||
| }; | ||
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| } // namespace usb | ||
| } // namespace vcml | ||
|
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| #endif |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,97 @@ | ||
| /****************************************************************************** | ||
| * * | ||
| * Copyright (C) 2024 MachineWare GmbH * | ||
| * All Rights Reserved * | ||
| * * | ||
| * This is work is licensed under the terms described in the LICENSE file * | ||
| * found in the root directory of this source tree. * | ||
| * * | ||
| ******************************************************************************/ | ||
|
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| #include "vcml/models/usb/hostdev.h" | ||
| #include "vcml/core/version.h" | ||
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| #include <libusb.h> | ||
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| namespace vcml { | ||
| namespace usb { | ||
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| struct libusb { | ||
| libusb_context* context; | ||
| libusb(): context(nullptr) { | ||
| int r = libusb_init(&context); | ||
| VCML_ERROR_ON(r < 0, "failed to initialize libusb"); | ||
| } | ||
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| ~libusb() { | ||
| if (context) | ||
| libusb_exit(context); | ||
| } | ||
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| static libusb& instance() { | ||
| static libusb singleton; | ||
| return singleton; | ||
| } | ||
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| libusb_device* find_device(u32 bus, u32 addr) { | ||
| libusb_device* found = nullptr; | ||
| libusb_device** list = nullptr; | ||
| size_t n = libusb_get_device_list(context, &list); | ||
| for (size_t i = 0; i < n; i++) { | ||
| if (libusb_get_bus_number(list[i]) == bus && | ||
| libusb_get_device_address(list[i]) == addr) { | ||
| found = libusb_ref_device(list[i]); | ||
| break; | ||
| } | ||
| } | ||
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| libusb_free_device_list(list, true); | ||
| return found; | ||
| } | ||
| }; | ||
|
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| hostdev::hostdev(const sc_module_name& nm): | ||
| device(nm, device_desc()), | ||
| m_device(), | ||
| m_handle(), | ||
| hostbus("hostbus", 0), | ||
| hostaddr("hostaddr", 0), | ||
| usb_in("usb_in") { | ||
| m_device = libusb::instance().find_device(hostbus, hostaddr); | ||
| VCML_ERROR_ON(!m_device, "no usb device on bus %u at address %u", | ||
| hostbus.get(), hostaddr.get()); | ||
| int r = libusb_open(m_device, &m_handle); | ||
| VCML_ERROR_ON(r, "Failed to open USB device: %s", libusb_strerror(r)); | ||
| } | ||
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| hostdev::~hostdev() { | ||
| if (m_device) | ||
| libusb_unref_device(m_device); | ||
| } | ||
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| usb_result hostdev::get_data(u32 ep, u8* data, size_t len) { | ||
| return USB_RESULT_NACK; | ||
| } | ||
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| usb_result hostdev::set_data(u32 ep, const u8* data, size_t len) { | ||
| return USB_RESULT_NACK; | ||
| } | ||
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| usb_result hostdev::handle_control(u16 req, u16 val, u16 idx, u8* data, | ||
| size_t length) { | ||
| switch (req) { | ||
| default: | ||
| return device::handle_control(req, val, idx, data, length); | ||
| } | ||
| } | ||
|
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| void hostdev::usb_reset_device() { | ||
| device::usb_reset_device(); | ||
| } | ||
|
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| VCML_EXPORT_MODEL(vcml::usb::hostdev, name, args) { | ||
| return new hostdev(name); | ||
| } | ||
|
|
||
| } // namespace usb | ||
| } // namespace vcml |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,57 @@ | ||
| /****************************************************************************** | ||
| * * | ||
| * Copyright (C) 2024 MachineWare GmbH * | ||
| * All Rights Reserved * | ||
| * * | ||
| * This is work is licensed under the terms described in the LICENSE file * | ||
| * found in the root directory of this source tree. * | ||
| * * | ||
| ******************************************************************************/ | ||
|
|
||
| #include "vcml/models/usb/hostdev.h" | ||
| #include "vcml/core/version.h" | ||
|
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| #include <libusb.h> | ||
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| namespace vcml { | ||
| namespace usb { | ||
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| hostdev::hostdev(const sc_module_name& nm): | ||
| device(nm, device_desc()), | ||
| m_device(), | ||
| m_handle(), | ||
| hostbus("hostbus", 0), | ||
| hostaddr("hostaddr", 0), | ||
| usb_in("usb_in") { | ||
| } | ||
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| hostdev::~hostdev() { | ||
| // nothing to do | ||
| } | ||
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| usb_result hostdev::get_data(u32 ep, u8* data, size_t len) { | ||
| return USB_RESULT_NACK; | ||
| } | ||
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| usb_result hostdev::set_data(u32 ep, const u8* data, size_t len) { | ||
| return USB_RESULT_NACK; | ||
| } | ||
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| usb_result hostdev::handle_control(u16 req, u16 val, u16 idx, u8* data, | ||
| size_t length) { | ||
| switch (req) { | ||
| default: | ||
| return device::handle_control(req, val, idx, data, length); | ||
| } | ||
| } | ||
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| void hostdev::usb_reset_device() { | ||
| device::usb_reset_device(); | ||
| } | ||
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| VCML_EXPORT_MODEL(vcml::usb::hostdev, name, args) { | ||
| return new hostdev(name); | ||
| } | ||
|
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| } // namespace usb | ||
| } // namespace vcml |