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Bochs/bochs/iodev/usb_printer.cc
Volker Ruppert c2d0c207f7 - preparing Bochs for experimental USB xHCI support (written by Ben Lunt) TODO list: 
- add sources (update in progress)
  - update configure script
  - initialize new USB devices member 'max_packet_size' (need help from Ben)
2011-07-04 19:42:47 +00:00

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/////////////////////////////////////////////////////////////////////////
// $Id$
/////////////////////////////////////////////////////////////////////////
//
// Copyright (C) 2009 Benjamin David Lunt
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
// version 2 of the License, or (at your option) any later version.
//
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
//
/////////////////////////////////////////////////////////////////////////
// Define BX_PLUGGABLE in files that can be compiled into plugins. For
// platforms that require a special tag on exported symbols, BX_PLUGGABLE
// is used to know when we are exporting symbols and when we are importing.
#define BX_PLUGGABLE
#include "iodev.h"
#if BX_SUPPORT_PCI && BX_SUPPORT_PCIUSB
#include "usb_common.h"
#include "usb_printer.h"
#define LOG_THIS
static const Bit8u bx_printer_dev_descriptor[] = {
0x12, /* u8 bLength; */
0x01, /* u8 bDescriptorType; Device */
0x10, 0x01, /* u16 bcdUSB; v1.10 */
0x00, /* u8 bDeviceClass; */
0x00, /* u8 bDeviceSubClass; */
0x00, /* u8 bDeviceProtocol; [ low/full speeds only ] */
0x08, /* u8 bMaxPacketSize0; 8 Bytes */
0xF0, 0x03, /* u16 idVendor; */
0x04, 0x15, /* u16 idProduct; */
0x00, 0x01, /* u16 bcdDevice */
0x01, /* u8 iManufacturer; */
0x02, /* u8 iProduct; */
0x03, /* u8 iSerialNumber; */
0x01 /* u8 bNumConfigurations; */
};
static const Bit8u bx_printer_config_descriptor[] = {
/* one configuration */
0x09, /* u8 bLength; */
0x02, /* u8 bDescriptorType; Configuration */
0x20, 0x00, /* u16 wTotalLength; */
0x01, /* u8 bNumInterfaces; (1) */
0x01, /* u8 bConfigurationValue; */
0x00, /* u8 iConfiguration string desc.; */
0xC0, /* u8 bmAttributes;
Bit 7: must be set,
6: Self-powered,
5: Remote wakeup,
4..0: resvd */
0x02, /* u8 MaxPower; */
/* one interface */
0x09, /* u8 if_bLength; */
0x04, /* u8 if_bDescriptorType; Interface */
0x00, /* u8 if_bInterfaceNumber; */
0x00, /* u8 if_bAlternateSetting; */
0x02, /* u8 if_bNumEndpoints; */
0x07, /* u8 if_bInterfaceClass; */
0x01, /* u8 if_bInterfaceSubClass; */
0x02, /* u8 if_bInterfaceProtocol; */
0x00, /* u8 if_iInterface; string desc. */
/* first endpoint */
0x07, /* u8 ep_bLength; */
0x05, /* u8 ep_bDescriptorType; Endpoint */
0x81, /* u8 ep_bEndpointAddress; IN Endpoint 1 */
0x02, /* u8 ep_bmAttributes; Bulk */
0x40, 0x00, /* u16 ep_wMaxPacketSize; */
0x00, /* u8 ep_bInterval; */
/* second endpoint */
0x07, /* u8 ep_bLength; */
0x05, /* u8 ep_bDescriptorType; Endpoint */
0x02, /* u8 ep_bEndpointAddress; OUT Endpoint 2 */
0x02, /* u8 ep_bmAttributes; Bulk */
0x40, 0x00, /* u16 ep_wMaxPacketSize; */
0x00, /* u8 ep_bInterval; */
};
// Length word calculated at run time
static const Bit8u bx_device_id_string[] =
"\0\0" // len field is calculated at run-time
"MFG:HEWLETT-PACKARD;"
"MDL:DESKJET 920C;"
"CMD:MLC,PCL,PML;"
"CLASS:PRINTER;"
"DESCRIPTION:Hewlett-Packard DeskJet 920C;"
"SERN:CN21R1C0BPIS;"
"VSTATUS:$HBO,$NCO,ff,DN,IDLE,CUT,K0,C0,SM,NR,KP093,CP097;"
"VP:0800,FL,B0;"
"VJ: ;";
usb_printer_device_c::usb_printer_device_c(usbdev_type type, const char *filename)
{
d.type = type;
d.maxspeed = USB_SPEED_FULL;
d.speed = d.maxspeed;
// TODO: d.max_packet_size = ???
memset((void*)&s, 0, sizeof(s));
strcpy(d.devname, "USB Printer");
s.fname = filename;
s.fp = NULL;
put("USBPR");
}
usb_printer_device_c::~usb_printer_device_c(void)
{
if (s.fp != NULL) {
fclose(s.fp);
}
}
bx_bool usb_printer_device_c::init()
{
s.fp = fopen(s.fname, "w+b");
if (s.fp == NULL) {
BX_ERROR(("Could not create/open %s", s.fname));
return 0;
} else {
sprintf(s.info_txt, "USB printer: file=%s", s.fname);
d.connected = 1;
return 1;
}
}
const char* usb_printer_device_c::get_info()
{
return s.info_txt;
}
void usb_printer_device_c::register_state_specific(bx_list_c *parent)
{
bx_list_c *list = new bx_list_c(parent, "s", "USB PRINTER Device State", 1);
new bx_shadow_num_c(list, "printer_status", &s.printer_status);
}
void usb_printer_device_c::handle_reset()
{
BX_INFO(("Opened %s for USB HP Deskjet 920C printer emulation.", s.fname));
BX_DEBUG(("Reset"));
}
int usb_printer_device_c::handle_control(int request, int value, int index, int length, Bit8u *data)
{
int ret = 0;
BX_DEBUG(("Printer: request: 0x%04X value: 0x%04X index: 0x%04X len: %i", request, value, index, length));
switch(request) {
case DeviceRequest | USB_REQ_GET_STATUS:
if (d.state == USB_STATE_DEFAULT)
goto fail;
else {
data[0] = (1 << USB_DEVICE_SELF_POWERED) |
(d.remote_wakeup << USB_DEVICE_REMOTE_WAKEUP);
data[1] = 0x00;
ret = 2;
}
break;
case DeviceOutRequest | USB_REQ_CLEAR_FEATURE:
if (value == USB_DEVICE_REMOTE_WAKEUP) {
d.remote_wakeup = 0;
} else {
goto fail;
}
ret = 0;
break;
case DeviceOutRequest | USB_REQ_SET_FEATURE:
if (value == USB_DEVICE_REMOTE_WAKEUP) {
d.remote_wakeup = 1;
} else {
goto fail;
}
ret = 0;
break;
case DeviceOutRequest | USB_REQ_SET_ADDRESS:
d.state = USB_STATE_ADDRESS;
d.addr = value;
ret = 0;
break;
case DeviceRequest | USB_REQ_GET_DESCRIPTOR:
switch(value >> 8) {
case USB_DT_DEVICE:
memcpy(data, bx_printer_dev_descriptor, sizeof(bx_printer_dev_descriptor));
ret = sizeof(bx_printer_dev_descriptor);
break;
case USB_DT_CONFIG:
memcpy(data, bx_printer_config_descriptor, sizeof(bx_printer_config_descriptor));
ret = sizeof(bx_printer_config_descriptor);
break;
case USB_DT_STRING:
switch(value & 0xff) {
case 0:
/* language ids */
data[0] = 4;
data[1] = 3;
data[2] = 0x09;
data[3] = 0x04;
ret = 4;
break;
case 1:
/* vendor description */
ret = set_usb_string(data, "Hewlett-Packard");
break;
case 2:
/* product description */
ret = set_usb_string(data, "Deskjet 920C");
break;
case 3:
/* serial number */
ret = set_usb_string(data, "HU18L6P2DNBI");
break;
default:
BX_ERROR(("USB Printer handle_control: unknown string descriptor 0x%02x", value & 0xff));
goto fail;
}
break;
default:
BX_ERROR(("USB Printer handle_control: unknown descriptor type 0x%02x", value >> 8));
goto fail;
}
break;
case DeviceRequest | USB_REQ_GET_CONFIGURATION:
data[0] = 1;
ret = 1;
break;
case DeviceOutRequest | USB_REQ_SET_CONFIGURATION:
d.state = USB_STATE_CONFIGURED;
ret = 0;
break;
case DeviceRequest | USB_REQ_GET_INTERFACE:
data[0] = 0;
ret = 1;
break;
case EndpointOutRequest | USB_REQ_SET_INTERFACE:
ret = 0;
break;
/* printer specific requests */
case InterfaceInClassRequest | 0x00: // 1284 get device id string
memcpy(data, bx_device_id_string, sizeof(bx_device_id_string));
ret = sizeof(bx_device_id_string);
data[0] = (Bit8u) (ret >> 8); // len word is big endian
data[1] = (Bit8u) (ret & 0xFF); //
break;
case InterfaceInClassRequest | 0x01: // Get Port Status
s.printer_status = (0<<5) | (1<<4) | (1<<3);
memcpy(data, &s.printer_status, 1);
ret = 1;
break;
case InterfaceOutClassRequest | 0x02: // soft reset
// for now, just return
ret = 0;
break;
default:
BX_ERROR(("USB PRINTER handle_control: unknown request 0x%04x", request));
fail:
d.stall = 1;
ret = USB_RET_STALL;
break;
}
return ret;
}
int usb_printer_device_c::handle_data(USBPacket *p)
{
int ret = 0;
switch(p->pid) {
case USB_TOKEN_IN:
if (p->devep == 1) {
BX_INFO(("Printer: handle_data: IN: len = %i", p->len));
BX_INFO(("Printer: Ben: We need to find out what this is and send valid status back"));
ret = p->len;
} else {
goto fail;
}
break;
case USB_TOKEN_OUT:
if (p->devep == 2) {
BX_DEBUG(("Sent %i bytes to the 'usb printer': %s", p->len, s.fname));
usb_dump_packet(p->data, p->len);
fwrite(p->data, 1, p->len, s.fp);
ret = p->len;
} else {
goto fail;
}
break;
default:
fail:
d.stall = 1;
ret = USB_RET_STALL;
break;
}
return ret;
}
#endif // BX_SUPPORT_PCI && BX_SUPPORT_PCIUSB
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