///////////////////////////////////////////////////////////////////////// // $Id: usb_hid.cc,v 1.9 2009-01-18 13:11:27 vruppert Exp $ ///////////////////////////////////////////////////////////////////////// // // Copyright (C) 2009 Volker Ruppert // // 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 #define NO_DEVICE_INCLUDES #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; */ 0x01, 0x00, /* u16 HID_class */ 0x00, /* u8 country_code */ 0x01, /* u8 num_descriptors */ 0x22, /* u8 type; Report */ 50, 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 */ 0x03, 0x00, /* u16 ep_wMaxPacketSize; */ 0x0a, /* u8 ep_bInterval; (255ms -- usb 2.0 spec) */ }; 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; */ 0x01, 0x00, /* u16 HID_class */ 0x00, /* u8 country_code */ 0x01, /* u8 num_descriptors */ 0x22, /* u8 type; Report */ 74, 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) */ }; 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 (status change 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; (255ms -- usb 2.0 spec) */ }; 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_t::usb_hid_device_t(usbdev_type type) { d.type = type; d.speed = USB_SPEED_LOW; if (d.type == USB_DEV_TYPE_MOUSE) { strcpy(d.devname, "USB Mouse"); } else if (d.type == USB_DEV_TYPE_TABLET) { strcpy(d.devname, "USB Tablet"); } else if (d.type == USB_DEV_TYPE_KEYPAD) { strcpy(d.devname, "USB/PS2 Keypad"); } d.connected = 1; memset((void*)&s, 0, sizeof(s)); put("USBHI"); } usb_hid_device_t::~usb_hid_device_t(void) { } void usb_hid_device_t::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_t::handle_reset() { memset((void*)&s, 0, sizeof(s)); BX_DEBUG(("Reset")); } int usb_hid_device_t::handle_control(int request, int value, int index, int length, Bit8u *data) { int ret = 0; switch(request) { case DeviceRequest | USB_REQ_GET_STATUS: 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.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 descriptor 0x%02x", value & 0xff)); goto fail; } break; default: BX_ERROR(("USB HID handle_control: unknown descriptor 0x%02x", value & 0xff)); goto fail; } break; case DeviceRequest | USB_REQ_GET_CONFIGURATION: data[0] = 1; ret = 1; break; case DeviceOutRequest | USB_REQ_SET_CONFIGURATION: 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 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; default: BX_ERROR(("USB HID handle_control: unknown HID descriptor 0x%02x", value & 0xff)); 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: ret = USB_RET_STALL; break; } return ret; } int usb_hid_device_t::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: ret = USB_RET_STALL; break; } return ret; } int usb_hid_device_t::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.b_state = 0; 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_t::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_t::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_t::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