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Bochs/bochs/iodev/usb_hid.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) 2009-2011 The Bochs Project
//
// 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
//
/////////////////////////////////////////////////////////////////////////
// USB HID emulation support (mouse and tablet) ported from the Qemu project
// USB keypad emulation based on code by Benjamin D Lunt (fys at frontiernet net)
// 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_hid.h"
#define LOG_THIS
/* HID interface requests */
#define GET_REPORT 0xa101
#define GET_IDLE 0xa102
#define GET_PROTOCOL 0xa103
#define SET_REPORT 0x2109
#define SET_IDLE 0x210a
#define SET_PROTOCOL 0x210b
#define KEYPAD_LEN 128
struct KEYPAD {
Bit8u scan_code[8];
Bit8u keypad_packet[8];
};
static const Bit8u bx_mouse_dev_descriptor[] = {
0x12, /* u8 bLength; */
0x01, /* u8 bDescriptorType; Device */
0x00, 0x01, /* u16 bcdUSB; v1.0 */
0x00, /* u8 bDeviceClass; */
0x00, /* u8 bDeviceSubClass; */
0x00, /* u8 bDeviceProtocol; [ low/full speeds only ] */
0x08, /* u8 bMaxPacketSize0; 8 Bytes */
0x27, 0x06, /* u16 idVendor; */
0x01, 0x00, /* u16 idProduct; */
0x00, 0x00, /* u16 bcdDevice */
0x03, /* u8 iManufacturer; */
0x02, /* u8 iProduct; */
0x01, /* u8 iSerialNumber; */
0x01 /* u8 bNumConfigurations; */
};
static const Bit8u bx_mouse_config_descriptor[] = {
/* one configuration */
0x09, /* u8 bLength; */
0x02, /* u8 bDescriptorType; Configuration */
0x22, 0x00, /* u16 wTotalLength; */
0x01, /* u8 bNumInterfaces; (1) */
0x01, /* u8 bConfigurationValue; */
0x04, /* u8 iConfiguration; */
0xa0, /* u8 bmAttributes;
Bit 7: must be set,
6: Self-powered,
5: Remote wakeup,
4..0: resvd */
50, /* u8 MaxPower; */
/* USB 1.1:
* USB 2.0, single TT organization (mandatory):
* one interface, protocol 0
*
* USB 2.0, multiple TT organization (optional):
* two interfaces, protocols 1 (like single TT)
* and 2 (multiple TT mode) ... config is
* sometimes settable
* NOT IMPLEMENTED
*/
/* one interface */
0x09, /* u8 if_bLength; */
0x04, /* u8 if_bDescriptorType; Interface */
0x00, /* u8 if_bInterfaceNumber; */
0x00, /* u8 if_bAlternateSetting; */
0x01, /* u8 if_bNumEndpoints; */
0x03, /* u8 if_bInterfaceClass; */
0x01, /* u8 if_bInterfaceSubClass; */
0x02, /* u8 if_bInterfaceProtocol; [usb1.1 or single tt] */
0x05, /* u8 if_iInterface; */
/* HID descriptor */
0x09, /* u8 bLength; */
0x21, /* u8 bDescriptorType; */
0x00, 0x01, /* u16 HID_class */
0x00, /* u8 country_code */
0x01, /* u8 num_descriptors */
0x22, /* u8 type; Report */
50, 0, /* u16 len */
/* one endpoint */
0x07, /* u8 ep_bLength; */
0x05, /* u8 ep_bDescriptorType; Endpoint */
0x81, /* u8 ep_bEndpointAddress; IN Endpoint 1 */
0x03, /* u8 ep_bmAttributes; Interrupt */
0x03, 0x00, /* u16 ep_wMaxPacketSize; */
0x0a, /* u8 ep_bInterval; (0 - 255ms -- usb 2.0 spec) */
};
static const Bit8u bx_mouse_hid_descriptor[] = {
/* HID descriptor */
0x09, /* u8 bLength; */
0x21, /* u8 bDescriptorType; */
0x00, 0x01, /* u16 HID_class */
0x00, /* u8 country_code */
0x01, /* u8 num_descriptors */
0x22, /* u8 type; Report */
50, 0 /* u16 len */
};
static const Bit8u bx_mouse_hid_report_descriptor[] = {
0x05, 0x01, 0x09, 0x02, 0xA1, 0x01, 0x09, 0x01,
0xA1, 0x00, 0x05, 0x09, 0x19, 0x01, 0x29, 0x03,
0x15, 0x00, 0x25, 0x01, 0x95, 0x03, 0x75, 0x01,
0x81, 0x02, 0x95, 0x01, 0x75, 0x05, 0x81, 0x01,
0x05, 0x01, 0x09, 0x30, 0x09, 0x31, 0x15, 0x81,
0x25, 0x7F, 0x75, 0x08, 0x95, 0x02, 0x81, 0x06,
0xC0, 0xC0,
};
static const Bit8u bx_tablet_config_descriptor[] = {
/* one configuration */
0x09, /* u8 bLength; */
0x02, /* u8 bDescriptorType; Configuration */
0x22, 0x00, /* u16 wTotalLength; */
0x01, /* u8 bNumInterfaces; (1) */
0x01, /* u8 bConfigurationValue; */
0x04, /* u8 iConfiguration; */
0xa0, /* u8 bmAttributes;
Bit 7: must be set,
6: Self-powered,
5: Remote wakeup,
4..0: resvd */
50, /* u8 MaxPower; */
/* one interface */
0x09, /* u8 if_bLength; */
0x04, /* u8 if_bDescriptorType; Interface */
0x00, /* u8 if_bInterfaceNumber; */
0x00, /* u8 if_bAlternateSetting; */
0x01, /* u8 if_bNumEndpoints; */
0x03, /* u8 if_bInterfaceClass; */
0x01, /* u8 if_bInterfaceSubClass; */
0x02, /* u8 if_bInterfaceProtocol; [usb1.1 or single tt] */
0x05, /* u8 if_iInterface; */
/* HID descriptor */
0x09, /* u8 bLength; */
0x21, /* u8 bDescriptorType; */
0x00, 0x01, /* u16 HID_class */
0x00, /* u8 country_code */
0x01, /* u8 num_descriptors */
0x22, /* u8 type; Report */
74, 0, /* u16 len */
/* one endpoint */
0x07, /* u8 ep_bLength; */
0x05, /* u8 ep_bDescriptorType; Endpoint */
0x81, /* u8 ep_bEndpointAddress; IN Endpoint 1 */
0x03, /* u8 ep_bmAttributes; Interrupt */
0x08, 0x00, /* u16 ep_wMaxPacketSize; */
0x0a, /* u8 ep_bInterval; (0 - 255ms -- usb 2.0 spec) */
};
static const Bit8u bx_tablet_hid_descriptor[] = {
/* HID descriptor */
0x09, /* u8 bLength; */
0x21, /* u8 bDescriptorType; */
0x00, 0x01, /* u16 HID_class */
0x00, /* u8 country_code */
0x01, /* u8 num_descriptors */
0x22, /* u8 type; Report */
74, 0, /* u16 len */
};
static const Bit8u bx_tablet_hid_report_descriptor[] = {
0x05, 0x01, /* Usage Page Generic Desktop */
0x09, 0x01, /* Usage Mouse */
0xA1, 0x01, /* Collection Application */
0x09, 0x01, /* Usage Pointer */
0xA1, 0x00, /* Collection Physical */
0x05, 0x09, /* Usage Page Button */
0x19, 0x01, /* Usage Minimum Button 1 */
0x29, 0x03, /* Usage Maximum Button 3 */
0x15, 0x00, /* Logical Minimum 0 */
0x25, 0x01, /* Logical Maximum 1 */
0x95, 0x03, /* Report Count 3 */
0x75, 0x01, /* Report Size 1 */
0x81, 0x02, /* Input (Data, Var, Abs) */
0x95, 0x01, /* Report Count 1 */
0x75, 0x05, /* Report Size 5 */
0x81, 0x01, /* Input (Cnst, Var, Abs) */
0x05, 0x01, /* Usage Page Generic Desktop */
0x09, 0x30, /* Usage X */
0x09, 0x31, /* Usage Y */
0x15, 0x00, /* Logical Minimum 0 */
0x26, 0xFF, 0x7F, /* Logical Maximum 0x7fff */
0x35, 0x00, /* Physical Minimum 0 */
0x46, 0xFE, 0x7F, /* Physical Maximum 0x7fff */
0x75, 0x10, /* Report Size 16 */
0x95, 0x02, /* Report Count 2 */
0x81, 0x02, /* Input (Data, Var, Abs) */
0x05, 0x01, /* Usage Page Generic Desktop */
0x09, 0x38, /* Usage Wheel */
0x15, 0x81, /* Logical Minimum -127 */
0x25, 0x7F, /* Logical Maximum 127 */
0x35, 0x00, /* Physical Minimum 0 (same as logical) */
0x45, 0x00, /* Physical Maximum 0 (same as logical) */
0x75, 0x08, /* Report Size 8 */
0x95, 0x01, /* Report Count 1 */
0x81, 0x02, /* Input (Data, Var, Rel) */
0xC0, /* End Collection */
0xC0, /* End Collection */
};
static const Bit8u bx_keypad_dev_descriptor[] = {
0x12, /* u8 bLength; */
0x01, /* u8 bDescriptorType; Device */
0x10, 0x01, /* u16 bcdUSB; v1.1 */
0x00, /* u8 bDeviceClass; */
0x00, /* u8 bDeviceSubClass; */
0x00, /* u8 bDeviceProtocol; [ low/full speeds only ] */
0x08, /* u8 bMaxPacketSize0; 8 Bytes */
0xB4, 0x04, /* u16 idVendor; */
0x01, 0x01, /* u16 idProduct; */
0x01, 0x00, /* u16 bcdDevice */
0x03, /* u8 iManufacturer; */
0x02, /* u8 iProduct; */
0x01, /* u8 iSerialNumber; */
0x01 /* u8 bNumConfigurations; */
};
static const Bit8u bx_keypad_config_descriptor[] = {
/* one configuration */
0x09, /* u8 bLength; */
0x02, /* u8 bDescriptorType; Configuration */
0x3B, 0x00, /* u16 wTotalLength; */
0x02, /* u8 bNumInterfaces; (2) */
0x01, /* u8 bConfigurationValue; */
0x04, /* u8 iConfiguration; */
0xa0, /* u8 bmAttributes;
Bit 7: must be set,
6: Self-powered,
5: Remote wakeup,
4..0: resvd */
50, /* u8 MaxPower; */
/* interface #1 of 2 */
0x09, /* u8 if_bLength; */
0x04, /* u8 if_bDescriptorType; Interface */
0x00, /* u8 if_bInterfaceNumber; */
0x00, /* u8 if_bAlternateSetting; */
0x01, /* u8 if_bNumEndpoints; */
0x03, /* u8 if_bInterfaceClass; */
0x01, /* u8 if_bInterfaceSubClass; */
0x01, /* u8 if_bInterfaceProtocol; [usb1.1 or single tt] */
0x05, /* u8 if_iInterface; */
/* HID descriptor */
0x09, /* u8 bLength; */
0x21, /* u8 bDescriptorType; */
0x00, 0x01, /* u16 HID_class */
0x00, /* u8 country_code */
0x01, /* u8 num_descriptors */
0x22, /* u8 type; Report */
65, 0, /* u16 len */
/* one endpoint (status change endpoint) */
0x07, /* u8 ep_bLength; */
0x05, /* u8 ep_bDescriptorType; Endpoint */
0x81, /* u8 ep_bEndpointAddress; IN Endpoint 1 */
0x03, /* u8 ep_bmAttributes; Interrupt */
0x08, 0x00, /* u16 ep_wMaxPacketSize; */
0x0a, /* u8 ep_bInterval; (255ms -- usb 2.0 spec) */
/* interface #2 of 2 */
0x09, /* u8 if_bLength; */
0x04, /* u8 if_bDescriptorType; Interface */
0x01, /* u8 if_bInterfaceNumber; */
0x00, /* u8 if_bAlternateSetting; */
0x01, /* u8 if_bNumEndpoints; */
0x03, /* u8 if_bInterfaceClass; */
0x01, /* u8 if_bInterfaceSubClass; */
0x02, /* u8 if_bInterfaceProtocol; [usb1.1 or single tt] */
0x06, /* u8 if_iInterface; */
/* HID descriptor */
0x09, /* u8 bLength; */
0x21, /* u8 bDescriptorType; */
0x00, 0x01, /* u16 HID_class */
0x00, /* u8 country_code */
0x01, /* u8 num_descriptors */
0x22, /* u8 type; Report */
50, 0, /* u16 len */
/* one endpoint */
0x07, /* u8 ep_bLength; */
0x05, /* u8 ep_bDescriptorType; Endpoint */
0x82, /* u8 ep_bEndpointAddress; IN Endpoint 2 */
0x03, /* u8 ep_bmAttributes; Interrupt */
0x08, 0x00, /* u16 ep_wMaxPacketSize; */
0x0a, /* u8 ep_bInterval; (0 - 255ms -- usb 2.0 spec) */
};
static const Bit8u bx_keypad_hid_descriptor[] = {
/* HID descriptor */
0x09, /* u8 bLength; */
0x21, /* u8 bDescriptorType; */
0x00, 0x01, /* u16 HID_class */
0x00, /* u8 country_code */
0x01, /* u8 num_descriptors */
0x22, /* u8 type; Report */
50, 0, /* u16 len */
};
static const Bit8u bx_keypad_hid_report_descriptor1[] = {
0x05, 0x01, 0x09, 0x06, 0xA1, 0x01, 0x05, 0x07,
0x19, 0xE0, 0x29, 0xE7, 0x15, 0x00, 0x25, 0x01,
0x75, 0x01, 0x95, 0x08, 0x81, 0x02, 0x95, 0x01,
0x75, 0x08, 0x81, 0x01, 0x95, 0x03, 0x75, 0x01,
0x05, 0x08, 0x19, 0x01, 0x29, 0x03, 0x91, 0x02,
0x95, 0x05, 0x75, 0x01, 0x91, 0x01, 0x95, 0x06,
0x75, 0x08, 0x15, 0x00, 0x26, 0xFF, 0x00, 0x05,
0x07, 0x19, 0x00, 0x2A, 0xFF, 0x00, 0x81, 0x00,
0xC0
};
static const Bit8u bx_keypad_hid_report_descriptor2[] = {
0x05, 0x0C, 0x09, 0x01, 0xA1, 0x01, 0x85, 0x01,
0x19, 0x00, 0x2A, 0x3C, 0x02, 0x15, 0x00, 0x26,
0x3C, 0x02, 0x95, 0x01, 0x75, 0x10, 0x81, 0x00,
0xC0, 0x05, 0x01, 0x09, 0x80, 0xA1, 0x01, 0x85,
0x02, 0x19, 0x81, 0x29, 0x83, 0x25, 0x01, 0x75,
0x01, 0x95, 0x03, 0x81, 0x02, 0x95, 0x05, 0x81,
0x01, 0xC0
};
// this interface has a key conversion table of len = 18
struct KEYPAD keypad_lookup[KEYPAD_LEN] = {
{ { 0x6C, }, { 0x00, 0x00, 0x5F, 0x00, 0x00, 0x00, 0x00, 0x00 } }, // 7
{ { 0x6B, }, { 0x00, 0x00, 0x5C, 0x00, 0x00, 0x00, 0x00, 0x00 } }, // 4
{ { 0x69, }, { 0x00, 0x00, 0x59, 0x00, 0x00, 0x00, 0x00, 0x00 } }, // 1
{ { 0x70, }, { 0x00, 0x00, 0x62, 0x00, 0x00, 0x00, 0x00, 0x00 } }, // 0
{ { 0xE0, 0x4A, }, { 0x00, 0x00, 0x54, 0x00, 0x00, 0x00, 0x00, 0x00 } }, // /
{ { 0x75, }, { 0x00, 0x00, 0x60, 0x00, 0x00, 0x00, 0x00, 0x00 } }, // 8
{ { 0x73, }, { 0x00, 0x00, 0x5D, 0x00, 0x00, 0x00, 0x00, 0x00 } }, // 5
{ { 0x72, }, { 0x00, 0x00, 0x5A, 0x00, 0x00, 0x00, 0x00, 0x00 } }, // 2
{ { 0x7C, }, { 0x00, 0x00, 0x55, 0x00, 0x00, 0x00, 0x00, 0x00 } }, // *
{ { 0x7D, }, { 0x00, 0x00, 0x61, 0x00, 0x00, 0x00, 0x00, 0x00 } }, // 9
{ { 0x74, }, { 0x00, 0x00, 0x5E, 0x00, 0x00, 0x00, 0x00, 0x00 } }, // 6
{ { 0x7A, }, { 0x00, 0x00, 0x5B, 0x00, 0x00, 0x00, 0x00, 0x00 } }, // 3
{ { 0x71, }, { 0x00, 0x00, 0x63, 0x00, 0x00, 0x00, 0x00, 0x00 } }, // -
{ { 0x7B, }, { 0x00, 0x00, 0x56, 0x00, 0x00, 0x00, 0x00, 0x00 } }, // +
{ { 0x79, }, { 0x00, 0x00, 0x57, 0x00, 0x00, 0x00, 0x00, 0x00 } }, // .
{ { 0xE0, 0x5A }, { 0x00, 0x00, 0x58, 0x00, 0x00, 0x00, 0x00, 0x00 } }, // Enter
};
usb_hid_device_c::usb_hid_device_c(usbdev_type type)
{
d.type = type;
d.maxspeed = USB_SPEED_LOW;
d.speed = d.maxspeed;
// TODO: d.max_packet_size = ???
if (d.type == USB_DEV_TYPE_MOUSE) {
strcpy(d.devname, "USB Mouse");
DEV_register_removable_mouse((void*)this, mouse_enq_static, mouse_enabled_changed);
} else if (d.type == USB_DEV_TYPE_TABLET) {
strcpy(d.devname, "USB Tablet");
DEV_register_removable_mouse((void*)this, mouse_enq_static, mouse_enabled_changed);
} else if (d.type == USB_DEV_TYPE_KEYPAD) {
strcpy(d.devname, "USB/PS2 Keypad");
DEV_register_removable_keyboard((void*)this, key_enq_static);
}
d.connected = 1;
memset((void*)&s, 0, sizeof(s));
put("USBHI");
}
usb_hid_device_c::~usb_hid_device_c(void)
{
if ((d.type == USB_DEV_TYPE_MOUSE) ||
(d.type == USB_DEV_TYPE_TABLET)) {
DEV_unregister_removable_mouse((void*)this);
} else if (d.type == USB_DEV_TYPE_KEYPAD) {
DEV_unregister_removable_keyboard((void*)this);
}
}
void usb_hid_device_c::register_state_specific(bx_list_c *parent)
{
bx_list_c *key;
Bit8u i;
char name[6];
bx_list_c *list = new bx_list_c(parent, "s", "USB HID Device State", 9);
new bx_shadow_num_c(list, "mouse_delayed_dx", &s.mouse_delayed_dx);
new bx_shadow_num_c(list, "mouse_delayed_dy", &s.mouse_delayed_dy);
new bx_shadow_num_c(list, "mouse_delayed_dz", &s.mouse_delayed_dz);
new bx_shadow_num_c(list, "mouse_x", &s.mouse_x);
new bx_shadow_num_c(list, "mouse_y", &s.mouse_y);
new bx_shadow_num_c(list, "mouse_z", &s.mouse_z);
new bx_shadow_num_c(list, "b_state", &s.b_state, BASE_HEX);
key = new bx_list_c(list, "saved_key", 8);
for (i=0; i<8; i++) {
sprintf(name, "0x%02x", i);
new bx_shadow_num_c(key, name, &s.saved_key[i], BASE_HEX);
}
key = new bx_list_c(list, "key_pad_packet", 8);
for (i=0; i<8; i++) {
sprintf(name, "0x%02x", i);
new bx_shadow_num_c(key, name, &s.key_pad_packet[i], BASE_HEX);
}
}
void usb_hid_device_c::handle_reset()
{
memset((void*)&s, 0, sizeof(s));
BX_DEBUG(("Reset"));
}
int usb_hid_device_c::handle_control(int request, int value, int index, int length, Bit8u *data)
{
int ret = 0;
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:
if ((d.type == USB_DEV_TYPE_MOUSE) ||
(d.type == USB_DEV_TYPE_TABLET)) {
memcpy(data, bx_mouse_dev_descriptor,
sizeof(bx_mouse_dev_descriptor));
ret = sizeof(bx_mouse_dev_descriptor);
} else if (d.type == USB_DEV_TYPE_KEYPAD) {
memcpy(data, bx_keypad_dev_descriptor,
sizeof(bx_keypad_dev_descriptor));
ret = sizeof(bx_keypad_dev_descriptor);
} else {
goto fail;
}
break;
case USB_DT_CONFIG:
if (d.type == USB_DEV_TYPE_MOUSE) {
memcpy(data, bx_mouse_config_descriptor,
sizeof(bx_mouse_config_descriptor));
ret = sizeof(bx_mouse_config_descriptor);
} else if (d.type == USB_DEV_TYPE_TABLET) {
memcpy(data, bx_tablet_config_descriptor,
sizeof(bx_tablet_config_descriptor));
ret = sizeof(bx_tablet_config_descriptor);
} else if (d.type == USB_DEV_TYPE_KEYPAD) {
memcpy(data, bx_keypad_config_descriptor,
sizeof(bx_keypad_config_descriptor));
ret = sizeof(bx_keypad_config_descriptor);
} else {
goto fail;
}
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:
/* serial number */
ret = set_usb_string(data, "1");
break;
case 2:
/* product description */
if (strlen(d.devname) > 0) {
ret = set_usb_string(data, d.devname);
} else {
goto fail;
}
break;
case 3:
/* vendor description */
ret = set_usb_string(data, "BOCHS");
break;
case 4:
ret = set_usb_string(data, "HID Mouse");
break;
case 5:
ret = set_usb_string(data, "Endpoint1 Interrupt Pipe");
break;
default:
BX_ERROR(("USB HID handle_control: unknown string descriptor 0x%02x", value & 0xff));
goto fail;
}
break;
default:
BX_ERROR(("USB HID 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 DeviceOutRequest | USB_REQ_SET_INTERFACE:
ret = 0;
break;
/* hid specific requests */
case InterfaceRequest | USB_REQ_GET_DESCRIPTOR:
switch(value >> 8) {
case 0x21:
if (d.type == USB_DEV_TYPE_MOUSE) {
memcpy(data, bx_mouse_hid_descriptor,
sizeof(bx_mouse_hid_descriptor));
ret = sizeof(bx_mouse_hid_descriptor);
} else if (d.type == USB_DEV_TYPE_TABLET) {
memcpy(data, bx_tablet_hid_descriptor,
sizeof(bx_tablet_hid_descriptor));
ret = sizeof(bx_tablet_hid_descriptor);
} else if (d.type == USB_DEV_TYPE_KEYPAD) {
memcpy(data, bx_keypad_hid_descriptor,
sizeof(bx_keypad_hid_descriptor));
ret = sizeof(bx_keypad_hid_descriptor);
} else {
goto fail;
}
break;
case 0x22:
if (d.type == USB_DEV_TYPE_MOUSE) {
memcpy(data, bx_mouse_hid_report_descriptor,
sizeof(bx_mouse_hid_report_descriptor));
ret = sizeof(bx_mouse_hid_report_descriptor);
} else if (d.type == USB_DEV_TYPE_TABLET) {
memcpy(data, bx_tablet_hid_report_descriptor,
sizeof(bx_tablet_hid_report_descriptor));
ret = sizeof(bx_tablet_hid_report_descriptor);
} else if (d.type == USB_DEV_TYPE_KEYPAD) {
if (index == 0) {
memcpy(data, bx_keypad_hid_report_descriptor1,
sizeof(bx_keypad_hid_report_descriptor1));
ret = sizeof(bx_keypad_hid_report_descriptor1);
} else {
memcpy(data, bx_keypad_hid_report_descriptor2,
sizeof(bx_keypad_hid_report_descriptor2));
ret = sizeof(bx_keypad_hid_report_descriptor2);
}
} else {
goto fail;
}
break;
case 0x23:
BX_ERROR(("USB HID handle_control: Host requested the HID Physical Descriptor"));
goto fail;
default:
BX_ERROR(("USB HID handle_control: unknown HID descriptor 0x%02x", value >> 8));
goto fail;
}
break;
case GET_REPORT:
if ((d.type == USB_DEV_TYPE_MOUSE) ||
(d.type == USB_DEV_TYPE_TABLET)) {
ret = mouse_poll(data, length);
} else if (d.type == USB_DEV_TYPE_KEYPAD) {
ret = keypad_poll(data, length);
} else {
goto fail;
}
break;
case SET_REPORT:
if ((d.type == USB_DEV_TYPE_KEYPAD) && (value = 0x200)) {
BX_INFO(("keypad NUMLOCK %s", (data[0] & 0x01) ? "on" : "off"));
ret = 0;
} else {
goto fail;
}
break;
case SET_IDLE:
case SET_PROTOCOL:
ret = 0;
break;
default:
BX_ERROR(("USB HID handle_control: unknown request 0x%04x", request));
fail:
d.stall = 1;
ret = USB_RET_STALL;
break;
}
return ret;
}
int usb_hid_device_c::handle_data(USBPacket *p)
{
int ret = 0;
switch(p->pid) {
case USB_TOKEN_IN:
if (p->devep == 1) {
if ((d.type == USB_DEV_TYPE_MOUSE) ||
(d.type == USB_DEV_TYPE_TABLET)) {
ret = mouse_poll(p->data, p->len);
} else if (d.type == USB_DEV_TYPE_KEYPAD) {
ret = keypad_poll(p->data, p->len);
} else {
goto fail;
}
} else if (p->devep == 2) {
if (d.type == USB_DEV_TYPE_KEYPAD) {
ret = mouse_poll(p->data, p->len);
} else {
goto fail;
}
} else {
goto fail;
}
break;
case USB_TOKEN_OUT:
BX_ERROR(("USB HID handle_data: unexpected pid TOKEN_OUT"));
default:
fail:
d.stall = 1;
ret = USB_RET_STALL;
break;
}
return ret;
}
int usb_hid_device_c::mouse_poll(Bit8u *buf, int len)
{
int l = 0;
if ((d.type == USB_DEV_TYPE_MOUSE) ||
(d.type == USB_DEV_TYPE_KEYPAD)) {
if (!s.mouse_x && !s.mouse_y) {
// if there's no new movement, handle delayed one
mouse_enq(0, 0, s.mouse_z, s.b_state);
}
buf[0] = (Bit8u) s.b_state;
buf[1] = (Bit8s) s.mouse_x;
buf[2] = (Bit8s) s.mouse_y;
s.mouse_x = 0;
s.mouse_y = 0;
l = 3;
if (len >= 4) {
buf[3] = (Bit8s) s.mouse_z; // if wheel mouse
s.mouse_z = 0;
l = 4;
}
} else if (d.type == USB_DEV_TYPE_TABLET) {
buf[0] = (Bit8u) s.b_state;
buf[1] = (Bit8u)(s.mouse_x & 0xff);
buf[2] = (Bit8u)(s.mouse_x >> 8);
buf[3] = (Bit8u)(s.mouse_y & 0xff);
buf[4] = (Bit8u)(s.mouse_y >> 8);
buf[5] = (Bit8s) s.mouse_z;
s.mouse_z = 0;
l = 6;
}
return l;
}
void usb_hid_device_c::mouse_enabled_changed(void *dev, bx_bool enabled)
{
if (enabled) ((usb_hid_device_c*)dev)->handle_reset();
}
void usb_hid_device_c::mouse_enq_static(void *dev, int delta_x, int delta_y, int delta_z, unsigned button_state)
{
((usb_hid_device_c*)dev)->mouse_enq(delta_x, delta_y, delta_z, button_state);
}
void usb_hid_device_c::mouse_enq(int delta_x, int delta_y, int delta_z, unsigned button_state)
{
if (d.type == USB_DEV_TYPE_MOUSE) {
// scale down the motion
if ((delta_x < -1) || (delta_x > 1))
delta_x /= 2;
if ((delta_y < -1) || (delta_y > 1))
delta_y /= 2;
if (delta_x>127) delta_x=127;
if (delta_y>127) delta_y=127;
if (delta_x<-128) delta_x=-128;
if (delta_y<-128) delta_y=-128;
s.mouse_delayed_dx+=delta_x;
s.mouse_delayed_dy-=delta_y;
if (s.mouse_delayed_dx > 127) {
delta_x = 127;
s.mouse_delayed_dx -= 127;
} else if (s.mouse_delayed_dx < -128) {
delta_x = -128;
s.mouse_delayed_dx += 128;
} else {
delta_x = s.mouse_delayed_dx;
s.mouse_delayed_dx = 0;
}
if (s.mouse_delayed_dy > 127) {
delta_y = 127;
s.mouse_delayed_dy -= 127;
} else if (s.mouse_delayed_dy < -128) {
delta_y = -128;
s.mouse_delayed_dy += 128;
} else {
delta_y = s.mouse_delayed_dy;
s.mouse_delayed_dy = 0;
}
s.mouse_x = (Bit8s) delta_x;
s.mouse_y = (Bit8s) delta_y;
} else if (d.type == USB_DEV_TYPE_TABLET) {
// FIXME: Bochs gui should generate absolute x/y values if tablet connected
s.mouse_x += delta_x;
s.mouse_y -= delta_y;
if (s.mouse_x < 0)
s.mouse_x = 0;
if (s.mouse_y < 0)
s.mouse_y = 0;
}
s.mouse_z = (Bit8s) delta_z;
s.b_state = (Bit8u) button_state;
}
int usb_hid_device_c::keypad_poll(Bit8u *buf, int len)
{
int l = 0;
if (d.type == USB_DEV_TYPE_KEYPAD) {
memcpy(buf, s.key_pad_packet, len);
l = 8;
}
return l;
}
bx_bool usb_hid_device_c::key_enq_static(void *dev, Bit8u *scan_code)
{
return ((usb_hid_device_c*)dev)->key_enq(scan_code);
}
bx_bool usb_hid_device_c::key_enq(Bit8u *scan_code)
{
bx_bool is_break_code = 0;
Bit8u our_scan_code[8];
memset(our_scan_code, 0, 8);
int os = 0;
for (int sc=0; sc<8; sc++) {
if ((scan_code[sc] == 0xF0) && ((sc == 0) || ((sc == 1) && (scan_code[0] == 0xE0)))) {
is_break_code = 1;
} else {
if (!(our_scan_code[os++] = scan_code[sc])) break;
}
}
// if it is the break code of the saved key, then clear our packet key.
if (is_break_code && !memcmp(s.saved_key, our_scan_code, 8)) {
memset(s.saved_key, 0, 8);
memset(s.key_pad_packet, 0, 8);
return 1; // tell the keyboard handler that we used it, and to return with out processing key
}
bx_bool fnd = 0;
for (int m = 0; m < 18; m++) {
if (!memcmp(keypad_lookup[m].scan_code, our_scan_code, 8)) {
memcpy(s.key_pad_packet, keypad_lookup[m].keypad_packet, 8);
fnd = 1;
break;
}
}
if (!fnd) {
memset(s.key_pad_packet, 0, 8);
memset(s.saved_key, 0, 8);
} else {
memcpy(s.saved_key, our_scan_code, 8);
// print a debug line to the log file
char bx_debug_code[128] = "";
char value[8];
for (unsigned i=0; i<strlen((char *) our_scan_code); i++) {
sprintf(value, "0x%02x", our_scan_code[i]);
if (i) strcat(bx_debug_code, " ");
strcat(bx_debug_code, value);
}
BX_DEBUG(("Re-routing scan code (%s) to USB keypad", bx_debug_code));
}
// tell the keyboard handler whether we used it or not. (0 = no, 1 = yes and keyboard.cc ignores keystoke)
return fnd;
}
#endif // BX_SUPPORT_PCI && BX_SUPPORT_PCIUSB
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