usb_serial: add WinChipHead (CH340/CH341) support
Fixes #15872. Change-Id: I3b43094574045464ca0d3e024f8b5aac32ce5210 Reviewed-on: https://review.haiku-os.org/c/haiku/+/5401 Reviewed-by: Adrien Destugues <pulkomandy@pulkomandy.tk> Tested-by: Commit checker robot <no-reply+buildbot@haiku-os.org>
This commit is contained in:
Gerasim Troeglazov
parent
caf0369a89
commit
e511f0c1cb
@ -17,6 +17,7 @@ KernelAddon usb_serial :
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Option.cpp
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Prolific.cpp
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Silicon.cpp
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WinChipHead.cpp
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;
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AddResources usb_serial : usb_serial.rdef ;
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@ -21,6 +21,7 @@
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#include "Option.h"
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#include "Prolific.h"
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#include "Silicon.h"
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#include "WinChipHead.h"
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#include <sys/ioctl.h>
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@ -778,6 +779,16 @@ SerialDevice::MakeDevice(usb_device device, uint16 vendorID,
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}
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}
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// WinChipHead Serial Device
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for (uint32 i = 0; i < sizeof(kWCHDevices)
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/ sizeof(kWCHDevices[0]); i++) {
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if (vendorID == kWCHDevices[i].vendorID
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&& productID == kWCHDevices[i].productID) {
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return new(std::nothrow) WCHDevice(device, vendorID, productID,
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kWCHDevices[i].deviceName);
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}
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}
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// Option Serial Device
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for (uint32 i = 0; i < sizeof(kOptionDevices)
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/ sizeof(kOptionDevices[0]); i++) {
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251
src/add-ons/kernel/drivers/ports/usb_serial/WinChipHead.cpp
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251
src/add-ons/kernel/drivers/ports/usb_serial/WinChipHead.cpp
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@ -0,0 +1,251 @@
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/*
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* Copyright 2022, Gerasim Troeglazov <3dEyes@gmail.com>
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* Distributed under the terms of the MIT License.
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*/
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#include "WinChipHead.h"
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WCHDevice::WCHDevice(usb_device device, uint16 vendorID, uint16 productID,
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const char *description)
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: SerialDevice(device, vendorID, productID, description),
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fChipVersion(0),
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fStatusMCR(0),
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fStatusLCR(CH34X_LCR_ENABLE_RX | CH34X_LCR_ENABLE_TX | CH34X_LCR_CS8),
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fDataRate(CH34X_SIO_9600)
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{
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}
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// Called for each configuration of the device. Return B_OK if the given
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// configuration sounds like it is the usb serial one.
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status_t
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WCHDevice::AddDevice(const usb_configuration_info *config)
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{
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TRACE_FUNCALLS("> WCHDevice::AddDevice(%08x, %08x)\n", this, config);
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status_t status = ENODEV;
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if (config->interface_count > 0) {
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int32 pipesSet = 0;
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usb_interface_info *interface = config->interface[0].active;
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for (size_t i = 0; i < interface->endpoint_count; i++) {
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usb_endpoint_info *endpoint = &interface->endpoint[i];
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if (endpoint->descr->attributes == USB_ENDPOINT_ATTR_BULK) {
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if (endpoint->descr->endpoint_address & USB_ENDPOINT_ADDR_DIR_IN) {
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SetReadPipe(endpoint->handle);
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if (++pipesSet >= 3)
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break;
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} else {
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if (endpoint->descr->endpoint_address) {
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SetControlPipe(endpoint->handle);
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SetWritePipe(endpoint->handle);
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pipesSet += 2;
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if (pipesSet >= 3)
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break;
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}
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}
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}
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}
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if (pipesSet >= 3) {
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status = B_OK;
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}
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}
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TRACE_FUNCRET("< WCHDevice::AddDevice() returns: 0x%08x\n", status);
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return status;
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}
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status_t
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WCHDevice::ResetDevice()
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{
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TRACE_FUNCALLS("> WCHDevice::ResetDevice(0x%08x)\n", this);
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size_t length = 0;
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uint8 inputBuffer[CH34X_INPUT_BUF_SIZE];
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status_t status = gUSBModule->send_request(Device(),
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USB_REQTYPE_VENDOR | USB_REQTYPE_DEVICE_IN,
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CH34X_REQ_READ_VERSION, 0, 0, sizeof(inputBuffer), inputBuffer, &length);
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if (status == B_OK) {
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fChipVersion = inputBuffer[0];
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TRACE_ALWAYS("= WCHDevice::ResetDevice(): Chip version: 0x%02x\n", fChipVersion);
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} else {
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TRACE_ALWAYS("= WCHDevice::ResetDevice(): Can't get chip version: 0x%08x\n",
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status);
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return status;
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}
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status = gUSBModule->send_request(Device(),
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USB_REQTYPE_VENDOR | USB_REQTYPE_DEVICE_OUT,
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CH34X_REQ_SERIAL_INIT, 0, 0, 0, NULL, &length);
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if (status != B_OK) {
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TRACE_ALWAYS("= WCHDevice::ResetDevice(): init failed\n");
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return status;
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}
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status = WriteConfig(fDataRate, fStatusLCR, fStatusMCR);
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TRACE_FUNCRET("< WCHDevice::ResetDevice() returns:%08x\n", status);
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return status;
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}
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status_t
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WCHDevice::SetLineCoding(usb_cdc_line_coding *lineCoding)
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{
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TRACE_FUNCALLS("> WCHDevice::SetLineCoding(0x%08x, {%d, 0x%02x, 0x%02x, 0x%02x})\n",
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this, lineCoding->speed, lineCoding->stopbits, lineCoding->parity,
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lineCoding->databits);
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fStatusLCR = CH34X_LCR_ENABLE_RX | CH34X_LCR_ENABLE_TX;
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switch (lineCoding->stopbits) {
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case USB_CDC_LINE_CODING_1_STOPBIT:
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break;
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case USB_CDC_LINE_CODING_2_STOPBITS:
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fStatusLCR |= CH34X_LCR_STOP_BITS_2;
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break;
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default:
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TRACE_ALWAYS("= WCHDevice::SetLineCoding(): Wrong stopbits param: %d\n",
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lineCoding->stopbits);
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break;
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}
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switch (lineCoding->parity) {
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case USB_CDC_LINE_CODING_NO_PARITY:
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break;
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case USB_CDC_LINE_CODING_EVEN_PARITY:
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fStatusLCR |= CH34X_LCR_ENABLE_PAR | CH34X_LCR_PAR_EVEN;
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break;
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case USB_CDC_LINE_CODING_ODD_PARITY:
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fStatusLCR |= CH34X_LCR_ENABLE_PAR;
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break;
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default:
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TRACE_ALWAYS("= WCHDevice::SetLineCoding(): Wrong parity param: %d\n",
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lineCoding->parity);
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break;
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}
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switch (lineCoding->databits) {
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case 5:
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fStatusLCR |= CH34X_LCR_CS5;
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break;
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case 6:
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fStatusLCR |= CH34X_LCR_CS6;
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break;
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case 7:
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fStatusLCR |= CH34X_LCR_CS7;
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break;
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case 8:
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fStatusLCR |= CH34X_LCR_CS8;
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break;
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default:
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fStatusLCR |= CH34X_LCR_CS8;
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TRACE_ALWAYS("= WCHDevice::SetLineCoding(): Wrong databits param: %d\n",
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lineCoding->databits);
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break;
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}
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switch (lineCoding->speed) {
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case 600: fDataRate = CH34X_SIO_600; break;
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case 1200: fDataRate = CH34X_SIO_1200; break;
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case 1800: fDataRate = CH34X_SIO_1800; break;
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case 2400: fDataRate = CH34X_SIO_2400; break;
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case 4800: fDataRate = CH34X_SIO_4800; break;
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case 9600: fDataRate = CH34X_SIO_9600; break;
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case 19200: fDataRate = CH34X_SIO_19200; break;
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case 31250: fDataRate = CH34X_SIO_31250; break;
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case 38400: fDataRate = CH34X_SIO_38400; break;
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case 57600: fDataRate = CH34X_SIO_57600; break;
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case 115200: fDataRate = CH34X_SIO_115200; break;
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case 230400: fDataRate = CH34X_SIO_230400; break;
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default:
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fDataRate = CH34X_SIO_9600;
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TRACE_ALWAYS("= WCHDevice::SetLineCoding(): Datarate: %d is not "
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"supported by this hardware. Defaulted to %d\n",
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lineCoding->speed, CH34X_DEFAULT_BAUD_RATE);
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break;
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}
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status_t status = WriteConfig(fDataRate, fStatusLCR, fStatusMCR);
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if (status != B_OK)
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TRACE_ALWAYS("= WCHDevice::SetLineCoding(): WriteConfig failed\n");
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TRACE_FUNCRET("< WCHDevice::SetLineCoding() returns: 0x%08x\n", status);
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return status;
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}
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status_t
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WCHDevice::SetControlLineState(uint16 state)
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{
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TRACE_FUNCALLS("> WCHDevice::SetControlLineState(0x%08x, 0x%04x)\n",
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this, state);
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fStatusMCR = 0;
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if (state & USB_CDC_CONTROL_SIGNAL_STATE_RTS)
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fStatusMCR |= CH34X_BIT_RTS;
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if (state & USB_CDC_CONTROL_SIGNAL_STATE_DTR)
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fStatusMCR |= CH34X_BIT_DTR;
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size_t length = 0;
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status_t status = 0;
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if (fChipVersion < CH34X_VER_20) {
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status = gUSBModule->send_request(Device(),
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USB_REQTYPE_VENDOR | USB_REQTYPE_DEVICE_OUT,
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CH34X_REQ_WRITE_REG, CH34X_REG_STAT1 | (CH34X_REG_STAT1 << 8),
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~fStatusMCR | (~fStatusMCR << 8), 0, NULL, &length);
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} else {
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status = gUSBModule->send_request(Device(),
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USB_REQTYPE_VENDOR | USB_REQTYPE_DEVICE_OUT,
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CH34X_REQ_MODEM_CTRL, ~fStatusMCR, 0, 0, NULL, &length);
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}
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TRACE_FUNCRET("< WCHDevice::SetControlLineState() returns: 0x%08x\n",
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status);
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return status;
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}
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status_t
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WCHDevice::WriteConfig(uint16 dataRate, uint8 lcr, uint8 mcr)
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{
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size_t length = 0;
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status_t status = gUSBModule->send_request(Device(),
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USB_REQTYPE_VENDOR | USB_REQTYPE_DEVICE_OUT,
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CH34X_REQ_WRITE_REG, CH34X_REG_BPS_PRE | (CH34X_REG_BPS_DIV << 8),
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dataRate | CH34X_BPS_PRE_IMM, 0, NULL, &length);
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if (status != B_OK) {
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TRACE_ALWAYS("= WCHDevice::WriteConfig(): datarate request failed: 0x%08x\n",
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status);
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return status;
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}
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status = gUSBModule->send_request(Device(),
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USB_REQTYPE_VENDOR | USB_REQTYPE_DEVICE_OUT,
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CH34X_REQ_WRITE_REG, CH34X_REG_LCR | (CH34X_REG_LCR2 << 8),
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lcr, 0, NULL, &length);
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if (status != B_OK) {
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TRACE_ALWAYS("= WCHDevice::WriteConfig(): LCR request failed: 0x%08x\n",
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status);
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return status;
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}
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status = gUSBModule->send_request(Device(),
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USB_REQTYPE_VENDOR | USB_REQTYPE_DEVICE_OUT,
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CH34X_REQ_MODEM_CTRL, ~mcr, 0, 0, NULL, &length);
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if (status != B_OK)
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TRACE_ALWAYS("= WCHDevice::WriteConfig(): handshake failed: 0x%08x\n", status);
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return status;
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}
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103
src/add-ons/kernel/drivers/ports/usb_serial/WinChipHead.h
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103
src/add-ons/kernel/drivers/ports/usb_serial/WinChipHead.h
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@ -0,0 +1,103 @@
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/*
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* Copyright 2022, Gerasim Troeglazov <3dEyes@gmail.com>
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* Distributed under the terms of the MIT License.
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*/
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#ifndef _USB_WINCHIPHEAD_H_
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#define _USB_WINCHIPHEAD_H_
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#include "SerialDevice.h"
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#define CH34X_DEFAULT_BAUD_RATE 9600
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#define CH34X_INPUT_BUF_SIZE 8
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#define CH34X_VER_20 0x20
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#define CH34X_VER_30 0x30
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#define CH34X_BPS_PRE_IMM 0x80
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#define CH34X_BIT_CTS 0x01
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#define CH34X_BIT_DSR 0x02
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#define CH34X_BIT_RI 0x04
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#define CH34X_BIT_DCD 0x08
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#define CH34X_BIT_DTR 0x20
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#define CH34X_BIT_RTS 0x40
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#define CH34X_BITS_MODEM_STAT 0x0f
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#define CH34X_MULT_STAT 0x04
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#define CH34X_REQ_READ_VERSION 0x5F
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#define CH34X_REQ_WRITE_REG 0x9A
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#define CH34X_REQ_READ_REG 0x95
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#define CH34X_REQ_SERIAL_INIT 0xA1
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#define CH34X_REQ_MODEM_CTRL 0xA4
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#define CH34X_REG_BREAK 0x05
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#define CH34X_REG_STAT1 0x06
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#define CH34X_REG_STAT2 0x07
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#define CH34X_REG_BPS_PRE 0x12
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#define CH34X_REG_BPS_DIV 0x13
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#define CH34X_REG_LCR 0x18
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#define CH34X_REG_LCR2 0x25
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#define CH34X_LCR_CS5 0x00
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#define CH34X_LCR_CS6 0x01
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#define CH34X_LCR_CS7 0x02
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#define CH34X_LCR_CS8 0x03
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#define CH34X_LCR_STOP_BITS_2 0x04
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#define CH34X_LCR_ENABLE_PAR 0x08
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#define CH34X_LCR_PAR_EVEN 0x10
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#define CH34X_LCR_MARK_SPACE 0x20
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#define CH34X_LCR_ENABLE_TX 0x40
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#define CH34X_LCR_ENABLE_RX 0x80
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#define CH34X_SIO_600 0x6401
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#define CH34X_SIO_1200 0xB201
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#define CH34X_SIO_1800 0xCC01
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#define CH34X_SIO_2400 0xD901
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#define CH34X_SIO_4800 0x6402
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#define CH34X_SIO_9600 0xB202
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#define CH34X_SIO_19200 0xD902
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#define CH34X_SIO_31250 0x4003
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#define CH34X_SIO_38400 0x6403
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#define CH34X_SIO_57600 0xF302
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#define CH34X_SIO_115200 0xCC03
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#define CH34X_SIO_230400 0xE603
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/* supported vendor and product ids */
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#define VENDOR_WCH 0x4348 // WinChipHead
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#define VENDOR_QIN_HENG 0x1a86 // QinHeng Electronics
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#define VENDOR_GW_INSTEK 0x2184 // GW Instek
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const usb_serial_device kWCHDevices[] = {
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{VENDOR_WCH, 0x5523, "CH341 serial converter"},
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{VENDOR_QIN_HENG, 0x5523, "QinHeng CH341A serial converter"},
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{VENDOR_QIN_HENG, 0x7522, "QinHeng CH340 serial converter"},
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{VENDOR_QIN_HENG, 0x7523, "QinHeng CH340 serial converter"},
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{VENDOR_GW_INSTEK, 0x0057, "GW Instek Oscilloscope"}
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};
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class WCHDevice : public SerialDevice {
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public:
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WCHDevice(usb_device device, uint16 vendorID,
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uint16 productID, const char *description);
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virtual status_t AddDevice(const usb_configuration_info *config);
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virtual status_t ResetDevice();
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virtual status_t SetLineCoding(usb_cdc_line_coding *coding);
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virtual status_t SetControlLineState(uint16 state);
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private:
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status_t WriteConfig(uint16 dataRate, uint8 lcr, uint8 mcr);
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uint8 fChipVersion;
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uint8 fStatusMCR;
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uint8 fStatusLCR;
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uint16 fDataRate;
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};
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#endif //_USB_WINCHIPHEAD_H_
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