root / hw / usb-hid.c @ 91834991
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/*
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* QEMU USB HID devices
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*
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* Copyright (c) 2005 Fabrice Bellard
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* Copyright (c) 2007 OpenMoko, Inc. (andrew@openedhand.com)
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#include "hw.h" |
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#include "console.h" |
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#include "usb.h" |
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|
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/* HID interface requests */
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#define GET_REPORT 0xa101 |
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#define GET_IDLE 0xa102 |
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#define GET_PROTOCOL 0xa103 |
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#define SET_REPORT 0x2109 |
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#define SET_IDLE 0x210a |
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#define SET_PROTOCOL 0x210b |
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|
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/* HID descriptor types */
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#define USB_DT_HID 0x21 |
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#define USB_DT_REPORT 0x22 |
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#define USB_DT_PHY 0x23 |
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|
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#define USB_MOUSE 1 |
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#define USB_TABLET 2 |
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#define USB_KEYBOARD 3 |
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|
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typedef struct USBMouseState { |
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int dx, dy, dz, buttons_state;
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int x, y;
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int mouse_grabbed;
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QEMUPutMouseEntry *eh_entry; |
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} USBMouseState; |
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|
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typedef struct USBKeyboardState { |
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uint16_t modifiers; |
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uint8_t leds; |
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uint8_t key[16];
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int keys;
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} USBKeyboardState; |
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|
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typedef struct USBHIDState { |
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USBDevice dev; |
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union {
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USBMouseState ptr; |
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USBKeyboardState kbd; |
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}; |
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int kind;
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int protocol;
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int idle;
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int changed;
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} USBHIDState; |
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|
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/* mostly the same values as the Bochs USB Mouse device */
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static const uint8_t qemu_mouse_dev_descriptor[] = { |
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0x12, /* u8 bLength; */ |
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0x01, /* u8 bDescriptorType; Device */ |
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0x00, 0x01, /* u16 bcdUSB; v1.0 */ |
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|
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0x00, /* u8 bDeviceClass; */ |
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0x00, /* u8 bDeviceSubClass; */ |
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0x00, /* u8 bDeviceProtocol; [ low/full speeds only ] */ |
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0x08, /* u8 bMaxPacketSize0; 8 Bytes */ |
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|
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0x27, 0x06, /* u16 idVendor; */ |
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0x01, 0x00, /* u16 idProduct; */ |
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0x00, 0x00, /* u16 bcdDevice */ |
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|
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0x03, /* u8 iManufacturer; */ |
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0x02, /* u8 iProduct; */ |
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0x01, /* u8 iSerialNumber; */ |
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0x01 /* u8 bNumConfigurations; */ |
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}; |
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|
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static const uint8_t qemu_mouse_config_descriptor[] = { |
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/* one configuration */
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0x09, /* u8 bLength; */ |
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0x02, /* u8 bDescriptorType; Configuration */ |
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0x22, 0x00, /* u16 wTotalLength; */ |
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0x01, /* u8 bNumInterfaces; (1) */ |
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0x01, /* u8 bConfigurationValue; */ |
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0x04, /* u8 iConfiguration; */ |
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0xa0, /* u8 bmAttributes; |
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Bit 7: must be set,
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6: Self-powered,
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5: Remote wakeup,
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4..0: resvd */
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50, /* u8 MaxPower; */ |
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|
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/* USB 1.1:
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* USB 2.0, single TT organization (mandatory):
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* one interface, protocol 0
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*
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* USB 2.0, multiple TT organization (optional):
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* two interfaces, protocols 1 (like single TT)
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* and 2 (multiple TT mode) ... config is
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* sometimes settable
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* NOT IMPLEMENTED
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*/
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/* one interface */
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0x09, /* u8 if_bLength; */ |
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0x04, /* u8 if_bDescriptorType; Interface */ |
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0x00, /* u8 if_bInterfaceNumber; */ |
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0x00, /* u8 if_bAlternateSetting; */ |
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0x01, /* u8 if_bNumEndpoints; */ |
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0x03, /* u8 if_bInterfaceClass; */ |
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0x01, /* u8 if_bInterfaceSubClass; */ |
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0x02, /* u8 if_bInterfaceProtocol; [usb1.1 or single tt] */ |
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0x07, /* u8 if_iInterface; */ |
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/* HID descriptor */
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0x09, /* u8 bLength; */ |
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0x21, /* u8 bDescriptorType; */ |
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0x01, 0x00, /* u16 HID_class */ |
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0x00, /* u8 country_code */ |
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0x01, /* u8 num_descriptors */ |
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0x22, /* u8 type; Report */ |
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52, 0, /* u16 len */ |
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/* one endpoint (status change endpoint) */
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0x07, /* u8 ep_bLength; */ |
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0x05, /* u8 ep_bDescriptorType; Endpoint */ |
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0x81, /* u8 ep_bEndpointAddress; IN Endpoint 1 */ |
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0x03, /* u8 ep_bmAttributes; Interrupt */ |
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0x04, 0x00, /* u16 ep_wMaxPacketSize; */ |
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0x0a, /* u8 ep_bInterval; (255ms -- usb 2.0 spec) */ |
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}; |
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static const uint8_t qemu_tablet_config_descriptor[] = { |
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/* one configuration */
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0x09, /* u8 bLength; */ |
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0x02, /* u8 bDescriptorType; Configuration */ |
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0x22, 0x00, /* u16 wTotalLength; */ |
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0x01, /* u8 bNumInterfaces; (1) */ |
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0x01, /* u8 bConfigurationValue; */ |
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0x05, /* u8 iConfiguration; */ |
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0xa0, /* u8 bmAttributes; |
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Bit 7: must be set,
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6: Self-powered,
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5: Remote wakeup,
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4..0: resvd */
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50, /* u8 MaxPower; */ |
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|
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/* USB 1.1:
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* USB 2.0, single TT organization (mandatory):
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* one interface, protocol 0
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*
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* USB 2.0, multiple TT organization (optional):
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* two interfaces, protocols 1 (like single TT)
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* and 2 (multiple TT mode) ... config is
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* sometimes settable
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* NOT IMPLEMENTED
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*/
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/* one interface */
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0x09, /* u8 if_bLength; */ |
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0x04, /* u8 if_bDescriptorType; Interface */ |
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0x00, /* u8 if_bInterfaceNumber; */ |
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0x00, /* u8 if_bAlternateSetting; */ |
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0x01, /* u8 if_bNumEndpoints; */ |
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0x03, /* u8 if_bInterfaceClass; */ |
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0x01, /* u8 if_bInterfaceSubClass; */ |
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0x02, /* u8 if_bInterfaceProtocol; [usb1.1 or single tt] */ |
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0x07, /* u8 if_iInterface; */ |
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/* HID descriptor */
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0x09, /* u8 bLength; */ |
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0x21, /* u8 bDescriptorType; */ |
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0x01, 0x00, /* u16 HID_class */ |
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0x00, /* u8 country_code */ |
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0x01, /* u8 num_descriptors */ |
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0x22, /* u8 type; Report */ |
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74, 0, /* u16 len */ |
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|
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/* one endpoint (status change endpoint) */
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0x07, /* u8 ep_bLength; */ |
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0x05, /* u8 ep_bDescriptorType; Endpoint */ |
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0x81, /* u8 ep_bEndpointAddress; IN Endpoint 1 */ |
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0x03, /* u8 ep_bmAttributes; Interrupt */ |
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0x08, 0x00, /* u16 ep_wMaxPacketSize; */ |
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0x0a, /* u8 ep_bInterval; (255ms -- usb 2.0 spec) */ |
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}; |
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|
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static const uint8_t qemu_keyboard_config_descriptor[] = { |
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/* one configuration */
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0x09, /* u8 bLength; */ |
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USB_DT_CONFIG, /* u8 bDescriptorType; Configuration */
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0x22, 0x00, /* u16 wTotalLength; */ |
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0x01, /* u8 bNumInterfaces; (1) */ |
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0x01, /* u8 bConfigurationValue; */ |
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0x06, /* u8 iConfiguration; */ |
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0xa0, /* u8 bmAttributes; |
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Bit 7: must be set,
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6: Self-powered,
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5: Remote wakeup,
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4..0: resvd */
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0x32, /* u8 MaxPower; */ |
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|
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/* USB 1.1:
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* USB 2.0, single TT organization (mandatory):
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* one interface, protocol 0
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*
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* USB 2.0, multiple TT organization (optional):
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* two interfaces, protocols 1 (like single TT)
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* and 2 (multiple TT mode) ... config is
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* sometimes settable
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* NOT IMPLEMENTED
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*/
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|
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/* one interface */
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0x09, /* u8 if_bLength; */ |
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USB_DT_INTERFACE, /* u8 if_bDescriptorType; Interface */
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0x00, /* u8 if_bInterfaceNumber; */ |
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0x00, /* u8 if_bAlternateSetting; */ |
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0x01, /* u8 if_bNumEndpoints; */ |
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0x03, /* u8 if_bInterfaceClass; HID */ |
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0x01, /* u8 if_bInterfaceSubClass; Boot */ |
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0x01, /* u8 if_bInterfaceProtocol; Keyboard */ |
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0x07, /* u8 if_iInterface; */ |
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|
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/* HID descriptor */
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0x09, /* u8 bLength; */ |
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USB_DT_HID, /* u8 bDescriptorType; */
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0x11, 0x01, /* u16 HID_class */ |
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0x00, /* u8 country_code */ |
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0x01, /* u8 num_descriptors */ |
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USB_DT_REPORT, /* u8 type; Report */
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0x3f, 0x00, /* u16 len */ |
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|
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/* one endpoint (status change endpoint) */
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0x07, /* u8 ep_bLength; */ |
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USB_DT_ENDPOINT, /* u8 ep_bDescriptorType; Endpoint */
|
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USB_DIR_IN | 0x01, /* u8 ep_bEndpointAddress; IN Endpoint 1 */ |
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0x03, /* u8 ep_bmAttributes; Interrupt */ |
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0x08, 0x00, /* u16 ep_wMaxPacketSize; */ |
| 255 |
0x0a, /* u8 ep_bInterval; (255ms -- usb 2.0 spec) */ |
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}; |
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|
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static const uint8_t qemu_mouse_hid_report_descriptor[] = { |
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0x05, 0x01, 0x09, 0x02, 0xA1, 0x01, 0x09, 0x01, |
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0xA1, 0x00, 0x05, 0x09, 0x19, 0x01, 0x29, 0x03, |
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0x15, 0x00, 0x25, 0x01, 0x95, 0x03, 0x75, 0x01, |
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0x81, 0x02, 0x95, 0x01, 0x75, 0x05, 0x81, 0x01, |
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0x05, 0x01, 0x09, 0x30, 0x09, 0x31, 0x09, 0x38, |
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0x15, 0x81, 0x25, 0x7F, 0x75, 0x08, 0x95, 0x03, |
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0x81, 0x06, 0xC0, 0xC0, |
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}; |
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|
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static const uint8_t qemu_tablet_hid_report_descriptor[] = { |
| 269 |
0x05, 0x01, /* Usage Page Generic Desktop */ |
| 270 |
0x09, 0x01, /* Usage Pointer */ |
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0xA1, 0x01, /* Collection Application */ |
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0x09, 0x01, /* Usage Pointer */ |
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0xA1, 0x00, /* Collection Physical */ |
| 274 |
0x05, 0x09, /* Usage Page Button */ |
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0x19, 0x01, /* Usage Minimum Button 1 */ |
| 276 |
0x29, 0x03, /* Usage Maximum Button 3 */ |
| 277 |
0x15, 0x00, /* Logical Minimum 0 */ |
| 278 |
0x25, 0x01, /* Logical Maximum 1 */ |
| 279 |
0x95, 0x03, /* Report Count 3 */ |
| 280 |
0x75, 0x01, /* Report Size 1 */ |
| 281 |
0x81, 0x02, /* Input (Data, Var, Abs) */ |
| 282 |
0x95, 0x01, /* Report Count 1 */ |
| 283 |
0x75, 0x05, /* Report Size 5 */ |
| 284 |
0x81, 0x01, /* Input (Cnst, Array, Abs) */ |
| 285 |
0x05, 0x01, /* Usage Page Generic Desktop */ |
| 286 |
0x09, 0x30, /* Usage X */ |
| 287 |
0x09, 0x31, /* Usage Y */ |
| 288 |
0x15, 0x00, /* Logical Minimum 0 */ |
| 289 |
0x26, 0xFF, 0x7F, /* Logical Maximum 0x7fff */ |
| 290 |
0x35, 0x00, /* Physical Minimum 0 */ |
| 291 |
0x46, 0xFE, 0x7F, /* Physical Maximum 0x7fff */ |
| 292 |
0x75, 0x10, /* Report Size 16 */ |
| 293 |
0x95, 0x02, /* Report Count 2 */ |
| 294 |
0x81, 0x02, /* Input (Data, Var, Abs) */ |
| 295 |
0x05, 0x01, /* Usage Page Generic Desktop */ |
| 296 |
0x09, 0x38, /* Usage Wheel */ |
| 297 |
0x15, 0x81, /* Logical Minimum -127 */ |
| 298 |
0x25, 0x7F, /* Logical Maximum 127 */ |
| 299 |
0x35, 0x00, /* Physical Minimum 0 (same as logical) */ |
| 300 |
0x45, 0x00, /* Physical Maximum 0 (same as logical) */ |
| 301 |
0x75, 0x08, /* Report Size 8 */ |
| 302 |
0x95, 0x01, /* Report Count 1 */ |
| 303 |
0x81, 0x06, /* Input (Data, Var, Rel) */ |
| 304 |
0xC0, /* End Collection */ |
| 305 |
0xC0, /* End Collection */ |
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}; |
| 307 |
|
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static const uint8_t qemu_keyboard_hid_report_descriptor[] = { |
| 309 |
0x05, 0x01, /* Usage Page (Generic Desktop) */ |
| 310 |
0x09, 0x06, /* Usage (Keyboard) */ |
| 311 |
0xa1, 0x01, /* Collection (Application) */ |
| 312 |
0x75, 0x01, /* Report Size (1) */ |
| 313 |
0x95, 0x08, /* Report Count (8) */ |
| 314 |
0x05, 0x07, /* Usage Page (Key Codes) */ |
| 315 |
0x19, 0xe0, /* Usage Minimum (224) */ |
| 316 |
0x29, 0xe7, /* Usage Maximum (231) */ |
| 317 |
0x15, 0x00, /* Logical Minimum (0) */ |
| 318 |
0x25, 0x01, /* Logical Maximum (1) */ |
| 319 |
0x81, 0x02, /* Input (Data, Variable, Absolute) */ |
| 320 |
0x95, 0x01, /* Report Count (1) */ |
| 321 |
0x75, 0x08, /* Report Size (8) */ |
| 322 |
0x81, 0x01, /* Input (Constant) */ |
| 323 |
0x95, 0x05, /* Report Count (5) */ |
| 324 |
0x75, 0x01, /* Report Size (1) */ |
| 325 |
0x05, 0x08, /* Usage Page (LEDs) */ |
| 326 |
0x19, 0x01, /* Usage Minimum (1) */ |
| 327 |
0x29, 0x05, /* Usage Maximum (5) */ |
| 328 |
0x91, 0x02, /* Output (Data, Variable, Absolute) */ |
| 329 |
0x95, 0x01, /* Report Count (1) */ |
| 330 |
0x75, 0x03, /* Report Size (3) */ |
| 331 |
0x91, 0x01, /* Output (Constant) */ |
| 332 |
0x95, 0x06, /* Report Count (6) */ |
| 333 |
0x75, 0x08, /* Report Size (8) */ |
| 334 |
0x15, 0x00, /* Logical Minimum (0) */ |
| 335 |
0x25, 0xff, /* Logical Maximum (255) */ |
| 336 |
0x05, 0x07, /* Usage Page (Key Codes) */ |
| 337 |
0x19, 0x00, /* Usage Minimum (0) */ |
| 338 |
0x29, 0xff, /* Usage Maximum (255) */ |
| 339 |
0x81, 0x00, /* Input (Data, Array) */ |
| 340 |
0xc0, /* End Collection */ |
| 341 |
}; |
| 342 |
|
| 343 |
#define USB_HID_USAGE_ERROR_ROLLOVER 0x01 |
| 344 |
#define USB_HID_USAGE_POSTFAIL 0x02 |
| 345 |
#define USB_HID_USAGE_ERROR_UNDEFINED 0x03 |
| 346 |
|
| 347 |
/* Indices are QEMU keycodes, values are from HID Usage Table. Indices
|
| 348 |
* above 0x80 are for keys that come after 0xe0 or 0xe1+0x1d or 0xe1+0x9d. */
|
| 349 |
static const uint8_t usb_hid_usage_keys[0x100] = { |
| 350 |
0x00, 0x29, 0x1e, 0x1f, 0x20, 0x21, 0x22, 0x23, |
| 351 |
0x24, 0x25, 0x26, 0x27, 0x2d, 0x2e, 0x2a, 0x2b, |
| 352 |
0x14, 0x1a, 0x08, 0x15, 0x17, 0x1c, 0x18, 0x0c, |
| 353 |
0x12, 0x13, 0x2f, 0x30, 0x28, 0xe0, 0x04, 0x16, |
| 354 |
0x07, 0x09, 0x0a, 0x0b, 0x0d, 0x0e, 0x0f, 0x33, |
| 355 |
0x34, 0x35, 0xe1, 0x31, 0x1d, 0x1b, 0x06, 0x19, |
| 356 |
0x05, 0x11, 0x10, 0x36, 0x37, 0x38, 0xe5, 0x55, |
| 357 |
0xe2, 0x2c, 0x32, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, |
| 358 |
0x3f, 0x40, 0x41, 0x42, 0x43, 0x53, 0x47, 0x5f, |
| 359 |
0x60, 0x61, 0x56, 0x5c, 0x5d, 0x5e, 0x57, 0x59, |
| 360 |
0x5a, 0x5b, 0x62, 0x63, 0x00, 0x00, 0x00, 0x44, |
| 361 |
0x45, 0x68, 0x69, 0x6a, 0x6b, 0x6c, 0x6d, 0x6e, |
| 362 |
0xe8, 0xe9, 0x71, 0x72, 0x73, 0x00, 0x00, 0x00, |
| 363 |
0x00, 0x00, 0x00, 0x85, 0x00, 0x00, 0x00, 0x00, |
| 364 |
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 365 |
0x00, 0x00, 0x00, 0x00, 0x00, 0xe3, 0xe7, 0x65, |
| 366 |
|
| 367 |
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 368 |
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 369 |
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 370 |
0x00, 0x00, 0x00, 0x00, 0x58, 0xe4, 0x00, 0x00, |
| 371 |
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 372 |
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 373 |
0x00, 0x00, 0x00, 0x00, 0x00, 0x54, 0x00, 0x46, |
| 374 |
0xe6, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 375 |
0x00, 0x00, 0x00, 0x00, 0x00, 0x48, 0x00, 0x4a, |
| 376 |
0x52, 0x4b, 0x00, 0x50, 0x00, 0x4f, 0x00, 0x4d, |
| 377 |
0x51, 0x4e, 0x49, 0x4c, 0x00, 0x00, 0x00, 0x00, |
| 378 |
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 379 |
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 380 |
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 381 |
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 382 |
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 383 |
}; |
| 384 |
|
| 385 |
static void usb_mouse_event(void *opaque, |
| 386 |
int dx1, int dy1, int dz1, int buttons_state) |
| 387 |
{
|
| 388 |
USBHIDState *hs = opaque; |
| 389 |
USBMouseState *s = &hs->ptr; |
| 390 |
|
| 391 |
s->dx += dx1; |
| 392 |
s->dy += dy1; |
| 393 |
s->dz += dz1; |
| 394 |
s->buttons_state = buttons_state; |
| 395 |
hs->changed = 1;
|
| 396 |
} |
| 397 |
|
| 398 |
static void usb_tablet_event(void *opaque, |
| 399 |
int x, int y, int dz, int buttons_state) |
| 400 |
{
|
| 401 |
USBHIDState *hs = opaque; |
| 402 |
USBMouseState *s = &hs->ptr; |
| 403 |
|
| 404 |
s->x = x; |
| 405 |
s->y = y; |
| 406 |
s->dz += dz; |
| 407 |
s->buttons_state = buttons_state; |
| 408 |
hs->changed = 1;
|
| 409 |
} |
| 410 |
|
| 411 |
static void usb_keyboard_event(void *opaque, int keycode) |
| 412 |
{
|
| 413 |
USBHIDState *hs = opaque; |
| 414 |
USBKeyboardState *s = &hs->kbd; |
| 415 |
uint8_t hid_code, key; |
| 416 |
int i;
|
| 417 |
|
| 418 |
key = keycode & 0x7f;
|
| 419 |
hid_code = usb_hid_usage_keys[key | ((s->modifiers >> 1) & (1 << 7))]; |
| 420 |
s->modifiers &= ~(1 << 8); |
| 421 |
|
| 422 |
hs->changed = 1;
|
| 423 |
|
| 424 |
switch (hid_code) {
|
| 425 |
case 0x00: |
| 426 |
return;
|
| 427 |
|
| 428 |
case 0xe0: |
| 429 |
if (s->modifiers & (1 << 9)) { |
| 430 |
s->modifiers ^= 3 << 8; |
| 431 |
return;
|
| 432 |
} |
| 433 |
case 0xe1 ... 0xe7: |
| 434 |
if (keycode & (1 << 7)) { |
| 435 |
s->modifiers &= ~(1 << (hid_code & 0x0f)); |
| 436 |
return;
|
| 437 |
} |
| 438 |
case 0xe8 ... 0xef: |
| 439 |
s->modifiers |= 1 << (hid_code & 0x0f); |
| 440 |
return;
|
| 441 |
} |
| 442 |
|
| 443 |
if (keycode & (1 << 7)) { |
| 444 |
for (i = s->keys - 1; i >= 0; i --) |
| 445 |
if (s->key[i] == hid_code) {
|
| 446 |
s->key[i] = s->key[-- s->keys]; |
| 447 |
s->key[s->keys] = 0x00;
|
| 448 |
return;
|
| 449 |
} |
| 450 |
} else {
|
| 451 |
for (i = s->keys - 1; i >= 0; i --) |
| 452 |
if (s->key[i] == hid_code)
|
| 453 |
return;
|
| 454 |
if (s->keys < sizeof(s->key)) |
| 455 |
s->key[s->keys ++] = hid_code; |
| 456 |
} |
| 457 |
} |
| 458 |
|
| 459 |
static inline int int_clamp(int val, int vmin, int vmax) |
| 460 |
{
|
| 461 |
if (val < vmin)
|
| 462 |
return vmin;
|
| 463 |
else if (val > vmax) |
| 464 |
return vmax;
|
| 465 |
else
|
| 466 |
return val;
|
| 467 |
} |
| 468 |
|
| 469 |
static int usb_mouse_poll(USBHIDState *hs, uint8_t *buf, int len) |
| 470 |
{
|
| 471 |
int dx, dy, dz, b, l;
|
| 472 |
USBMouseState *s = &hs->ptr; |
| 473 |
|
| 474 |
if (!s->mouse_grabbed) {
|
| 475 |
s->eh_entry = qemu_add_mouse_event_handler(usb_mouse_event, hs, |
| 476 |
0, "QEMU USB Mouse"); |
| 477 |
s->mouse_grabbed = 1;
|
| 478 |
} |
| 479 |
|
| 480 |
dx = int_clamp(s->dx, -128, 127); |
| 481 |
dy = int_clamp(s->dy, -128, 127); |
| 482 |
dz = int_clamp(s->dz, -128, 127); |
| 483 |
|
| 484 |
s->dx -= dx; |
| 485 |
s->dy -= dy; |
| 486 |
s->dz -= dz; |
| 487 |
|
| 488 |
b = 0;
|
| 489 |
if (s->buttons_state & MOUSE_EVENT_LBUTTON)
|
| 490 |
b |= 0x01;
|
| 491 |
if (s->buttons_state & MOUSE_EVENT_RBUTTON)
|
| 492 |
b |= 0x02;
|
| 493 |
if (s->buttons_state & MOUSE_EVENT_MBUTTON)
|
| 494 |
b |= 0x04;
|
| 495 |
|
| 496 |
l = 0;
|
| 497 |
if (len > l)
|
| 498 |
buf[l ++] = b; |
| 499 |
if (len > l)
|
| 500 |
buf[l ++] = dx; |
| 501 |
if (len > l)
|
| 502 |
buf[l ++] = dy; |
| 503 |
if (len > l)
|
| 504 |
buf[l ++] = dz; |
| 505 |
return l;
|
| 506 |
} |
| 507 |
|
| 508 |
static int usb_tablet_poll(USBHIDState *hs, uint8_t *buf, int len) |
| 509 |
{
|
| 510 |
int dz, b, l;
|
| 511 |
USBMouseState *s = &hs->ptr; |
| 512 |
|
| 513 |
if (!s->mouse_grabbed) {
|
| 514 |
s->eh_entry = qemu_add_mouse_event_handler(usb_tablet_event, hs, |
| 515 |
1, "QEMU USB Tablet"); |
| 516 |
s->mouse_grabbed = 1;
|
| 517 |
} |
| 518 |
|
| 519 |
dz = int_clamp(s->dz, -128, 127); |
| 520 |
s->dz -= dz; |
| 521 |
|
| 522 |
/* Appears we have to invert the wheel direction */
|
| 523 |
dz = 0 - dz;
|
| 524 |
b = 0;
|
| 525 |
if (s->buttons_state & MOUSE_EVENT_LBUTTON)
|
| 526 |
b |= 0x01;
|
| 527 |
if (s->buttons_state & MOUSE_EVENT_RBUTTON)
|
| 528 |
b |= 0x02;
|
| 529 |
if (s->buttons_state & MOUSE_EVENT_MBUTTON)
|
| 530 |
b |= 0x04;
|
| 531 |
|
| 532 |
buf[0] = b;
|
| 533 |
buf[1] = s->x & 0xff; |
| 534 |
buf[2] = s->x >> 8; |
| 535 |
buf[3] = s->y & 0xff; |
| 536 |
buf[4] = s->y >> 8; |
| 537 |
buf[5] = dz;
|
| 538 |
l = 6;
|
| 539 |
|
| 540 |
return l;
|
| 541 |
} |
| 542 |
|
| 543 |
static int usb_keyboard_poll(USBKeyboardState *s, uint8_t *buf, int len) |
| 544 |
{
|
| 545 |
if (len < 2) |
| 546 |
return 0; |
| 547 |
|
| 548 |
buf[0] = s->modifiers & 0xff; |
| 549 |
buf[1] = 0; |
| 550 |
if (s->keys > 6) |
| 551 |
memset(buf + 2, USB_HID_USAGE_ERROR_ROLLOVER, MIN(8, len) - 2); |
| 552 |
else
|
| 553 |
memcpy(buf + 2, s->key, MIN(8, len) - 2); |
| 554 |
|
| 555 |
return MIN(8, len); |
| 556 |
} |
| 557 |
|
| 558 |
static int usb_keyboard_write(USBKeyboardState *s, uint8_t *buf, int len) |
| 559 |
{
|
| 560 |
if (len > 0) { |
| 561 |
/* 0x01: Num Lock LED
|
| 562 |
* 0x02: Caps Lock LED
|
| 563 |
* 0x04: Scroll Lock LED
|
| 564 |
* 0x08: Compose LED
|
| 565 |
* 0x10: Kana LED */
|
| 566 |
s->leds = buf[0];
|
| 567 |
} |
| 568 |
return 0; |
| 569 |
} |
| 570 |
|
| 571 |
static void usb_mouse_handle_reset(USBDevice *dev) |
| 572 |
{
|
| 573 |
USBHIDState *s = (USBHIDState *)dev; |
| 574 |
|
| 575 |
s->ptr.dx = 0;
|
| 576 |
s->ptr.dy = 0;
|
| 577 |
s->ptr.dz = 0;
|
| 578 |
s->ptr.x = 0;
|
| 579 |
s->ptr.y = 0;
|
| 580 |
s->ptr.buttons_state = 0;
|
| 581 |
s->protocol = 1;
|
| 582 |
} |
| 583 |
|
| 584 |
static void usb_keyboard_handle_reset(USBDevice *dev) |
| 585 |
{
|
| 586 |
USBHIDState *s = (USBHIDState *)dev; |
| 587 |
|
| 588 |
qemu_add_kbd_event_handler(usb_keyboard_event, s); |
| 589 |
s->protocol = 1;
|
| 590 |
} |
| 591 |
|
| 592 |
static int usb_hid_handle_control(USBDevice *dev, int request, int value, |
| 593 |
int index, int length, uint8_t *data) |
| 594 |
{
|
| 595 |
USBHIDState *s = (USBHIDState *)dev; |
| 596 |
int ret = 0; |
| 597 |
|
| 598 |
switch(request) {
|
| 599 |
case DeviceRequest | USB_REQ_GET_STATUS:
|
| 600 |
data[0] = (1 << USB_DEVICE_SELF_POWERED) | |
| 601 |
(dev->remote_wakeup << USB_DEVICE_REMOTE_WAKEUP); |
| 602 |
data[1] = 0x00; |
| 603 |
ret = 2;
|
| 604 |
break;
|
| 605 |
case DeviceOutRequest | USB_REQ_CLEAR_FEATURE:
|
| 606 |
if (value == USB_DEVICE_REMOTE_WAKEUP) {
|
| 607 |
dev->remote_wakeup = 0;
|
| 608 |
} else {
|
| 609 |
goto fail;
|
| 610 |
} |
| 611 |
ret = 0;
|
| 612 |
break;
|
| 613 |
case DeviceOutRequest | USB_REQ_SET_FEATURE:
|
| 614 |
if (value == USB_DEVICE_REMOTE_WAKEUP) {
|
| 615 |
dev->remote_wakeup = 1;
|
| 616 |
} else {
|
| 617 |
goto fail;
|
| 618 |
} |
| 619 |
ret = 0;
|
| 620 |
break;
|
| 621 |
case DeviceOutRequest | USB_REQ_SET_ADDRESS:
|
| 622 |
dev->addr = value; |
| 623 |
ret = 0;
|
| 624 |
break;
|
| 625 |
case DeviceRequest | USB_REQ_GET_DESCRIPTOR:
|
| 626 |
switch(value >> 8) { |
| 627 |
case USB_DT_DEVICE:
|
| 628 |
memcpy(data, qemu_mouse_dev_descriptor, |
| 629 |
sizeof(qemu_mouse_dev_descriptor));
|
| 630 |
ret = sizeof(qemu_mouse_dev_descriptor);
|
| 631 |
break;
|
| 632 |
case USB_DT_CONFIG:
|
| 633 |
if (s->kind == USB_MOUSE) {
|
| 634 |
memcpy(data, qemu_mouse_config_descriptor, |
| 635 |
sizeof(qemu_mouse_config_descriptor));
|
| 636 |
ret = sizeof(qemu_mouse_config_descriptor);
|
| 637 |
} else if (s->kind == USB_TABLET) { |
| 638 |
memcpy(data, qemu_tablet_config_descriptor, |
| 639 |
sizeof(qemu_tablet_config_descriptor));
|
| 640 |
ret = sizeof(qemu_tablet_config_descriptor);
|
| 641 |
} else if (s->kind == USB_KEYBOARD) { |
| 642 |
memcpy(data, qemu_keyboard_config_descriptor, |
| 643 |
sizeof(qemu_keyboard_config_descriptor));
|
| 644 |
ret = sizeof(qemu_keyboard_config_descriptor);
|
| 645 |
} |
| 646 |
break;
|
| 647 |
case USB_DT_STRING:
|
| 648 |
switch(value & 0xff) { |
| 649 |
case 0: |
| 650 |
/* language ids */
|
| 651 |
data[0] = 4; |
| 652 |
data[1] = 3; |
| 653 |
data[2] = 0x09; |
| 654 |
data[3] = 0x04; |
| 655 |
ret = 4;
|
| 656 |
break;
|
| 657 |
case 1: |
| 658 |
/* serial number */
|
| 659 |
ret = set_usb_string(data, "1");
|
| 660 |
break;
|
| 661 |
case 2: |
| 662 |
/* product description */
|
| 663 |
ret = set_usb_string(data, s->dev.devname); |
| 664 |
break;
|
| 665 |
case 3: |
| 666 |
/* vendor description */
|
| 667 |
ret = set_usb_string(data, "QEMU " QEMU_VERSION);
|
| 668 |
break;
|
| 669 |
case 4: |
| 670 |
ret = set_usb_string(data, "HID Mouse");
|
| 671 |
break;
|
| 672 |
case 5: |
| 673 |
ret = set_usb_string(data, "HID Tablet");
|
| 674 |
break;
|
| 675 |
case 6: |
| 676 |
ret = set_usb_string(data, "HID Keyboard");
|
| 677 |
break;
|
| 678 |
case 7: |
| 679 |
ret = set_usb_string(data, "Endpoint1 Interrupt Pipe");
|
| 680 |
break;
|
| 681 |
default:
|
| 682 |
goto fail;
|
| 683 |
} |
| 684 |
break;
|
| 685 |
default:
|
| 686 |
goto fail;
|
| 687 |
} |
| 688 |
break;
|
| 689 |
case DeviceRequest | USB_REQ_GET_CONFIGURATION:
|
| 690 |
data[0] = 1; |
| 691 |
ret = 1;
|
| 692 |
break;
|
| 693 |
case DeviceOutRequest | USB_REQ_SET_CONFIGURATION:
|
| 694 |
ret = 0;
|
| 695 |
break;
|
| 696 |
case DeviceRequest | USB_REQ_GET_INTERFACE:
|
| 697 |
data[0] = 0; |
| 698 |
ret = 1;
|
| 699 |
break;
|
| 700 |
case DeviceOutRequest | USB_REQ_SET_INTERFACE:
|
| 701 |
ret = 0;
|
| 702 |
break;
|
| 703 |
/* hid specific requests */
|
| 704 |
case InterfaceRequest | USB_REQ_GET_DESCRIPTOR:
|
| 705 |
switch(value >> 8) { |
| 706 |
case 0x22: |
| 707 |
if (s->kind == USB_MOUSE) {
|
| 708 |
memcpy(data, qemu_mouse_hid_report_descriptor, |
| 709 |
sizeof(qemu_mouse_hid_report_descriptor));
|
| 710 |
ret = sizeof(qemu_mouse_hid_report_descriptor);
|
| 711 |
} else if (s->kind == USB_TABLET) { |
| 712 |
memcpy(data, qemu_tablet_hid_report_descriptor, |
| 713 |
sizeof(qemu_tablet_hid_report_descriptor));
|
| 714 |
ret = sizeof(qemu_tablet_hid_report_descriptor);
|
| 715 |
} else if (s->kind == USB_KEYBOARD) { |
| 716 |
memcpy(data, qemu_keyboard_hid_report_descriptor, |
| 717 |
sizeof(qemu_keyboard_hid_report_descriptor));
|
| 718 |
ret = sizeof(qemu_keyboard_hid_report_descriptor);
|
| 719 |
} |
| 720 |
break;
|
| 721 |
default:
|
| 722 |
goto fail;
|
| 723 |
} |
| 724 |
break;
|
| 725 |
case GET_REPORT:
|
| 726 |
if (s->kind == USB_MOUSE)
|
| 727 |
ret = usb_mouse_poll(s, data, length); |
| 728 |
else if (s->kind == USB_TABLET) |
| 729 |
ret = usb_tablet_poll(s, data, length); |
| 730 |
else if (s->kind == USB_KEYBOARD) |
| 731 |
ret = usb_keyboard_poll(&s->kbd, data, length); |
| 732 |
break;
|
| 733 |
case SET_REPORT:
|
| 734 |
if (s->kind == USB_KEYBOARD)
|
| 735 |
ret = usb_keyboard_write(&s->kbd, data, length); |
| 736 |
else
|
| 737 |
goto fail;
|
| 738 |
break;
|
| 739 |
case GET_PROTOCOL:
|
| 740 |
if (s->kind != USB_KEYBOARD)
|
| 741 |
goto fail;
|
| 742 |
ret = 1;
|
| 743 |
data[0] = s->protocol;
|
| 744 |
break;
|
| 745 |
case SET_PROTOCOL:
|
| 746 |
if (s->kind != USB_KEYBOARD)
|
| 747 |
goto fail;
|
| 748 |
ret = 0;
|
| 749 |
s->protocol = value; |
| 750 |
break;
|
| 751 |
case GET_IDLE:
|
| 752 |
ret = 1;
|
| 753 |
data[0] = s->idle;
|
| 754 |
break;
|
| 755 |
case SET_IDLE:
|
| 756 |
s->idle = value; |
| 757 |
ret = 0;
|
| 758 |
break;
|
| 759 |
default:
|
| 760 |
fail:
|
| 761 |
ret = USB_RET_STALL; |
| 762 |
break;
|
| 763 |
} |
| 764 |
return ret;
|
| 765 |
} |
| 766 |
|
| 767 |
static int usb_hid_handle_data(USBDevice *dev, USBPacket *p) |
| 768 |
{
|
| 769 |
USBHIDState *s = (USBHIDState *)dev; |
| 770 |
int ret = 0; |
| 771 |
|
| 772 |
switch(p->pid) {
|
| 773 |
case USB_TOKEN_IN:
|
| 774 |
if (p->devep == 1) { |
| 775 |
/* TODO: Implement finite idle delays. */
|
| 776 |
if (!(s->changed || s->idle))
|
| 777 |
return USB_RET_NAK;
|
| 778 |
s->changed = 0;
|
| 779 |
if (s->kind == USB_MOUSE)
|
| 780 |
ret = usb_mouse_poll(s, p->data, p->len); |
| 781 |
else if (s->kind == USB_TABLET) |
| 782 |
ret = usb_tablet_poll(s, p->data, p->len); |
| 783 |
else if (s->kind == USB_KEYBOARD) |
| 784 |
ret = usb_keyboard_poll(&s->kbd, p->data, p->len); |
| 785 |
} else {
|
| 786 |
goto fail;
|
| 787 |
} |
| 788 |
break;
|
| 789 |
case USB_TOKEN_OUT:
|
| 790 |
default:
|
| 791 |
fail:
|
| 792 |
ret = USB_RET_STALL; |
| 793 |
break;
|
| 794 |
} |
| 795 |
return ret;
|
| 796 |
} |
| 797 |
|
| 798 |
static void usb_hid_handle_destroy(USBDevice *dev) |
| 799 |
{
|
| 800 |
USBHIDState *s = (USBHIDState *)dev; |
| 801 |
|
| 802 |
if (s->kind != USB_KEYBOARD)
|
| 803 |
qemu_remove_mouse_event_handler(s->ptr.eh_entry); |
| 804 |
/* TODO: else */
|
| 805 |
qemu_free(s); |
| 806 |
} |
| 807 |
|
| 808 |
USBDevice *usb_tablet_init(void)
|
| 809 |
{
|
| 810 |
USBHIDState *s; |
| 811 |
|
| 812 |
s = qemu_mallocz(sizeof(USBHIDState));
|
| 813 |
if (!s)
|
| 814 |
return NULL; |
| 815 |
s->dev.speed = USB_SPEED_FULL; |
| 816 |
s->dev.handle_packet = usb_generic_handle_packet; |
| 817 |
|
| 818 |
s->dev.handle_reset = usb_mouse_handle_reset; |
| 819 |
s->dev.handle_control = usb_hid_handle_control; |
| 820 |
s->dev.handle_data = usb_hid_handle_data; |
| 821 |
s->dev.handle_destroy = usb_hid_handle_destroy; |
| 822 |
s->kind = USB_TABLET; |
| 823 |
/* Force poll routine to be run and grab input the first time. */
|
| 824 |
s->changed = 1;
|
| 825 |
|
| 826 |
pstrcpy(s->dev.devname, sizeof(s->dev.devname), "QEMU USB Tablet"); |
| 827 |
|
| 828 |
return (USBDevice *)s;
|
| 829 |
} |
| 830 |
|
| 831 |
USBDevice *usb_mouse_init(void)
|
| 832 |
{
|
| 833 |
USBHIDState *s; |
| 834 |
|
| 835 |
s = qemu_mallocz(sizeof(USBHIDState));
|
| 836 |
if (!s)
|
| 837 |
return NULL; |
| 838 |
s->dev.speed = USB_SPEED_FULL; |
| 839 |
s->dev.handle_packet = usb_generic_handle_packet; |
| 840 |
|
| 841 |
s->dev.handle_reset = usb_mouse_handle_reset; |
| 842 |
s->dev.handle_control = usb_hid_handle_control; |
| 843 |
s->dev.handle_data = usb_hid_handle_data; |
| 844 |
s->dev.handle_destroy = usb_hid_handle_destroy; |
| 845 |
s->kind = USB_MOUSE; |
| 846 |
/* Force poll routine to be run and grab input the first time. */
|
| 847 |
s->changed = 1;
|
| 848 |
|
| 849 |
pstrcpy(s->dev.devname, sizeof(s->dev.devname), "QEMU USB Mouse"); |
| 850 |
|
| 851 |
return (USBDevice *)s;
|
| 852 |
} |
| 853 |
|
| 854 |
USBDevice *usb_keyboard_init(void)
|
| 855 |
{
|
| 856 |
USBHIDState *s; |
| 857 |
|
| 858 |
s = qemu_mallocz(sizeof(USBHIDState));
|
| 859 |
if (!s)
|
| 860 |
return NULL; |
| 861 |
s->dev.speed = USB_SPEED_FULL; |
| 862 |
s->dev.handle_packet = usb_generic_handle_packet; |
| 863 |
|
| 864 |
s->dev.handle_reset = usb_keyboard_handle_reset; |
| 865 |
s->dev.handle_control = usb_hid_handle_control; |
| 866 |
s->dev.handle_data = usb_hid_handle_data; |
| 867 |
s->dev.handle_destroy = usb_hid_handle_destroy; |
| 868 |
s->kind = USB_KEYBOARD; |
| 869 |
|
| 870 |
pstrcpy(s->dev.devname, sizeof(s->dev.devname), "QEMU USB Keyboard"); |
| 871 |
|
| 872 |
return (USBDevice *) s;
|
| 873 |
} |