root / hw / usb-hid.c @ 4118a970
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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 "vl.h" |
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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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#define USB_MOUSE 1 |
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#define USB_TABLET 2 |
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#define USB_KEYBOARD 3 |
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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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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 */ |
75 |
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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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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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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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|
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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; */ |
127 |
|
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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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50, 0, /* u16 len */ |
136 |
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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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0x03, 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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/* 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; */ |
182 |
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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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/* 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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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; */ |
215 |
|
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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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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; */ |
237 |
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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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/* 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; */ |
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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_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, 0x15, 0x81, |
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0x25, 0x7F, 0x75, 0x08, 0x95, 0x02, 0x81, 0x06, |
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0xC0, 0xC0, |
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}; |
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|
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static const uint8_t qemu_tablet_hid_report_descriptor[] = { |
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0x05, 0x01, /* Usage Page Generic Desktop */ |
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0x09, 0x01, /* Usage Mouse */ |
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0xA1, 0x01, /* Collection Application */ |
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0x09, 0x01, /* Usage Pointer */ |
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0xA1, 0x00, /* Collection Physical */ |
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0x05, 0x09, /* Usage Page Button */ |
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0x19, 0x01, /* Usage Minimum Button 1 */ |
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0x29, 0x03, /* Usage Maximum Button 3 */ |
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0x15, 0x00, /* Logical Minimum 0 */ |
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0x25, 0x01, /* Logical Maximum 1 */ |
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0x95, 0x03, /* Report Count 3 */ |
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0x75, 0x01, /* Report Size 1 */ |
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0x81, 0x02, /* Input (Data, Var, Abs) */ |
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0x95, 0x01, /* Report Count 1 */ |
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0x75, 0x05, /* Report Size 5 */ |
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0x81, 0x01, /* Input (Cnst, Var, Abs) */ |
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0x05, 0x01, /* Usage Page Generic Desktop */ |
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0x09, 0x30, /* Usage X */ |
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0x09, 0x31, /* Usage Y */ |
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0x15, 0x00, /* Logical Minimum 0 */ |
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0x26, 0xFF, 0x7F, /* Logical Maximum 0x7fff */ |
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0x35, 0x00, /* Physical Minimum 0 */ |
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0x46, 0xFE, 0x7F, /* Physical Maximum 0x7fff */ |
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0x75, 0x10, /* Report Size 16 */ |
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0x95, 0x02, /* Report Count 2 */ |
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0x81, 0x02, /* Input (Data, Var, Abs) */ |
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0x05, 0x01, /* Usage Page Generic Desktop */ |
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0x09, 0x38, /* Usage Wheel */ |
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0x15, 0x81, /* Logical Minimum -127 */ |
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0x25, 0x7F, /* Logical Maximum 127 */ |
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0x35, 0x00, /* Physical Minimum 0 (same as logical) */ |
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0x45, 0x00, /* Physical Maximum 0 (same as logical) */ |
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0x75, 0x08, /* Report Size 8 */ |
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0x95, 0x01, /* Report Count 1 */ |
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0x81, 0x02, /* Input (Data, Var, Rel) */ |
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0xC0, /* End Collection */ |
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0xC0, /* End Collection */ |
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}; |
305 |
|
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static const uint8_t qemu_keyboard_hid_report_descriptor[] = { |
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0x05, 0x01, /* Usage Page (Generic Desktop) */ |
308 |
0x09, 0x06, /* Usage (Keyboard) */ |
309 |
0xa1, 0x01, /* Collection (Application) */ |
310 |
0x75, 0x01, /* Report Size (1) */ |
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0x95, 0x08, /* Report Count (8) */ |
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0x05, 0x07, /* Usage Page (Key Codes) */ |
313 |
0x19, 0xe0, /* Usage Minimum (224) */ |
314 |
0x29, 0xe7, /* Usage Maximum (231) */ |
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0x15, 0x00, /* Logical Minimum (0) */ |
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0x25, 0x01, /* Logical Maximum (1) */ |
317 |
0x81, 0x02, /* Input (Data, Variable, Absolute) */ |
318 |
0x95, 0x01, /* Report Count (1) */ |
319 |
0x75, 0x08, /* Report Size (8) */ |
320 |
0x81, 0x01, /* Input (Constant) */ |
321 |
0x95, 0x05, /* Report Count (5) */ |
322 |
0x75, 0x01, /* Report Size (1) */ |
323 |
0x05, 0x08, /* Usage Page (LEDs) */ |
324 |
0x19, 0x01, /* Usage Minimum (1) */ |
325 |
0x29, 0x05, /* Usage Maximum (5) */ |
326 |
0x91, 0x02, /* Output (Data, Variable, Absolute) */ |
327 |
0x95, 0x01, /* Report Count (1) */ |
328 |
0x75, 0x03, /* Report Size (3) */ |
329 |
0x91, 0x01, /* Output (Constant) */ |
330 |
0x95, 0x06, /* Report Count (6) */ |
331 |
0x75, 0x08, /* Report Size (8) */ |
332 |
0x15, 0x00, /* Logical Minimum (0) */ |
333 |
0x25, 0xff, /* Logical Maximum (255) */ |
334 |
0x05, 0x07, /* Usage Page (Key Codes) */ |
335 |
0x19, 0x00, /* Usage Minimum (0) */ |
336 |
0x29, 0xff, /* Usage Maximum (255) */ |
337 |
0x81, 0x00, /* Input (Data, Array) */ |
338 |
0xc0, /* End Collection */ |
339 |
}; |
340 |
|
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#define USB_HID_USAGE_ERROR_ROLLOVER 0x01 |
342 |
#define USB_HID_USAGE_POSTFAIL 0x02 |
343 |
#define USB_HID_USAGE_ERROR_UNDEFINED 0x03 |
344 |
|
345 |
/* Indices are QEMU keycodes, values are from HID Usage Table. Indices
|
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* above 0x80 are for keys that come after 0xe0 or 0xe1+0x1d or 0xe1+0x9d. */
|
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static const uint8_t usb_hid_usage_keys[0x100] = { |
348 |
0x00, 0x29, 0x1e, 0x1f, 0x20, 0x21, 0x22, 0x23, |
349 |
0x24, 0x25, 0x26, 0x27, 0x2d, 0x2e, 0x2a, 0x2b, |
350 |
0x14, 0x1a, 0x08, 0x15, 0x17, 0x1c, 0x18, 0x0c, |
351 |
0x12, 0x13, 0x2f, 0x30, 0x28, 0xe0, 0x04, 0x16, |
352 |
0x07, 0x09, 0x0a, 0x0b, 0x0d, 0x0e, 0x0f, 0x33, |
353 |
0x34, 0x35, 0xe1, 0x31, 0x1d, 0x1b, 0x06, 0x19, |
354 |
0x05, 0x11, 0x10, 0x36, 0x37, 0x38, 0xe5, 0x55, |
355 |
0xe2, 0x2c, 0x32, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, |
356 |
0x3f, 0x40, 0x41, 0x42, 0x43, 0x53, 0x47, 0x5f, |
357 |
0x60, 0x61, 0x56, 0x5c, 0x5d, 0x5e, 0x57, 0x59, |
358 |
0x5a, 0x5b, 0x62, 0x63, 0x00, 0x00, 0x00, 0x44, |
359 |
0x45, 0x68, 0x69, 0x6a, 0x6b, 0x6c, 0x6d, 0x6e, |
360 |
0xe8, 0xe9, 0x71, 0x72, 0x73, 0x00, 0x00, 0x00, |
361 |
0x00, 0x00, 0x00, 0x85, 0x00, 0x00, 0x00, 0x00, |
362 |
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
363 |
0x00, 0x00, 0x00, 0x00, 0x00, 0xe3, 0xe7, 0x65, |
364 |
|
365 |
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
366 |
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
367 |
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
368 |
0x00, 0x00, 0x00, 0x00, 0x58, 0xe4, 0x00, 0x00, |
369 |
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
370 |
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
371 |
0x00, 0x00, 0x00, 0x00, 0x00, 0x54, 0x00, 0x46, |
372 |
0xe6, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
373 |
0x00, 0x00, 0x00, 0x00, 0x00, 0x48, 0x00, 0x4a, |
374 |
0x52, 0x4b, 0x00, 0x50, 0x00, 0x4f, 0x00, 0x4d, |
375 |
0x51, 0x4e, 0x49, 0x4c, 0x00, 0x00, 0x00, 0x00, |
376 |
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
377 |
0x00, 0x00, 0x00, 0x00, 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 |
}; |
382 |
|
383 |
static void usb_mouse_event(void *opaque, |
384 |
int dx1, int dy1, int dz1, int buttons_state) |
385 |
{ |
386 |
USBHIDState *hs = opaque; |
387 |
USBMouseState *s = &hs->ptr; |
388 |
|
389 |
s->dx += dx1; |
390 |
s->dy += dy1; |
391 |
s->dz += dz1; |
392 |
s->buttons_state = buttons_state; |
393 |
hs->changed = 1;
|
394 |
} |
395 |
|
396 |
static void usb_tablet_event(void *opaque, |
397 |
int x, int y, int dz, int buttons_state) |
398 |
{ |
399 |
USBHIDState *hs = opaque; |
400 |
USBMouseState *s = &hs->ptr; |
401 |
|
402 |
s->x = x; |
403 |
s->y = y; |
404 |
s->dz += dz; |
405 |
s->buttons_state = buttons_state; |
406 |
hs->changed = 1;
|
407 |
} |
408 |
|
409 |
static void usb_keyboard_event(void *opaque, int keycode) |
410 |
{ |
411 |
USBHIDState *hs = opaque; |
412 |
USBKeyboardState *s = &hs->kbd; |
413 |
uint8_t hid_code, key; |
414 |
int i;
|
415 |
|
416 |
key = keycode & 0x7f;
|
417 |
hid_code = usb_hid_usage_keys[key | ((s->modifiers >> 1) & (1 << 7))]; |
418 |
s->modifiers &= ~(1 << 8); |
419 |
|
420 |
hs->changed = 1;
|
421 |
|
422 |
switch (hid_code) {
|
423 |
case 0x00: |
424 |
return;
|
425 |
|
426 |
case 0xe0: |
427 |
if (s->modifiers & (1 << 9)) { |
428 |
s->modifiers ^= 3 << 8; |
429 |
return;
|
430 |
} |
431 |
case 0xe1 ... 0xe7: |
432 |
if (keycode & (1 << 7)) { |
433 |
s->modifiers &= ~(1 << (hid_code & 0x0f)); |
434 |
return;
|
435 |
} |
436 |
case 0xe8 ... 0xef: |
437 |
s->modifiers |= 1 << (hid_code & 0x0f); |
438 |
return;
|
439 |
} |
440 |
|
441 |
if (keycode & (1 << 7)) { |
442 |
for (i = s->keys - 1; i >= 0; i --) |
443 |
if (s->key[i] == hid_code) {
|
444 |
s->key[i] = s->key[-- s->keys]; |
445 |
s->key[s->keys] = 0x00;
|
446 |
return;
|
447 |
} |
448 |
} else {
|
449 |
for (i = s->keys - 1; i >= 0; i --) |
450 |
if (s->key[i] == hid_code)
|
451 |
return;
|
452 |
if (s->keys < sizeof(s->key)) |
453 |
s->key[s->keys ++] = hid_code; |
454 |
} |
455 |
} |
456 |
|
457 |
static inline int int_clamp(int val, int vmin, int vmax) |
458 |
{ |
459 |
if (val < vmin)
|
460 |
return vmin;
|
461 |
else if (val > vmax) |
462 |
return vmax;
|
463 |
else
|
464 |
return val;
|
465 |
} |
466 |
|
467 |
static int usb_mouse_poll(USBHIDState *hs, uint8_t *buf, int len) |
468 |
{ |
469 |
int dx, dy, dz, b, l;
|
470 |
USBMouseState *s = &hs->ptr; |
471 |
|
472 |
if (!s->mouse_grabbed) {
|
473 |
s->eh_entry = qemu_add_mouse_event_handler(usb_mouse_event, hs, |
474 |
0, "QEMU USB Mouse"); |
475 |
s->mouse_grabbed = 1;
|
476 |
} |
477 |
|
478 |
dx = int_clamp(s->dx, -128, 127); |
479 |
dy = int_clamp(s->dy, -128, 127); |
480 |
dz = int_clamp(s->dz, -128, 127); |
481 |
|
482 |
s->dx -= dx; |
483 |
s->dy -= dy; |
484 |
s->dz -= dz; |
485 |
|
486 |
b = 0;
|
487 |
if (s->buttons_state & MOUSE_EVENT_LBUTTON)
|
488 |
b |= 0x01;
|
489 |
if (s->buttons_state & MOUSE_EVENT_RBUTTON)
|
490 |
b |= 0x02;
|
491 |
if (s->buttons_state & MOUSE_EVENT_MBUTTON)
|
492 |
b |= 0x04;
|
493 |
|
494 |
buf[0] = b;
|
495 |
buf[1] = dx;
|
496 |
buf[2] = dy;
|
497 |
l = 3;
|
498 |
if (len >= 4) { |
499 |
buf[3] = dz;
|
500 |
l = 4;
|
501 |
} |
502 |
return l;
|
503 |
} |
504 |
|
505 |
static int usb_tablet_poll(USBHIDState *hs, uint8_t *buf, int len) |
506 |
{ |
507 |
int dz, b, l;
|
508 |
USBMouseState *s = &hs->ptr; |
509 |
|
510 |
if (!s->mouse_grabbed) {
|
511 |
s->eh_entry = qemu_add_mouse_event_handler(usb_tablet_event, hs, |
512 |
1, "QEMU USB Tablet"); |
513 |
s->mouse_grabbed = 1;
|
514 |
} |
515 |
|
516 |
dz = int_clamp(s->dz, -128, 127); |
517 |
s->dz -= dz; |
518 |
|
519 |
/* Appears we have to invert the wheel direction */
|
520 |
dz = 0 - dz;
|
521 |
b = 0;
|
522 |
if (s->buttons_state & MOUSE_EVENT_LBUTTON)
|
523 |
b |= 0x01;
|
524 |
if (s->buttons_state & MOUSE_EVENT_RBUTTON)
|
525 |
b |= 0x02;
|
526 |
if (s->buttons_state & MOUSE_EVENT_MBUTTON)
|
527 |
b |= 0x04;
|
528 |
|
529 |
buf[0] = b;
|
530 |
buf[1] = s->x & 0xff; |
531 |
buf[2] = s->x >> 8; |
532 |
buf[3] = s->y & 0xff; |
533 |
buf[4] = s->y >> 8; |
534 |
buf[5] = dz;
|
535 |
l = 6;
|
536 |
|
537 |
return l;
|
538 |
} |
539 |
|
540 |
static int usb_keyboard_poll(USBKeyboardState *s, uint8_t *buf, int len) |
541 |
{ |
542 |
if (len < 2) |
543 |
return 0; |
544 |
|
545 |
buf[0] = s->modifiers & 0xff; |
546 |
buf[1] = 0; |
547 |
if (s->keys > 6) |
548 |
memset(buf + 2, USB_HID_USAGE_ERROR_ROLLOVER, MIN(8, len) - 2); |
549 |
else
|
550 |
memcpy(buf + 2, s->key, MIN(8, len) - 2); |
551 |
|
552 |
return MIN(8, len); |
553 |
} |
554 |
|
555 |
static int usb_keyboard_write(USBKeyboardState *s, uint8_t *buf, int len) |
556 |
{ |
557 |
if (len > 0) { |
558 |
/* 0x01: Num Lock LED
|
559 |
* 0x02: Caps Lock LED
|
560 |
* 0x04: Scroll Lock LED
|
561 |
* 0x08: Compose LED
|
562 |
* 0x10: Kana LED */
|
563 |
s->leds = buf[0];
|
564 |
} |
565 |
return 0; |
566 |
} |
567 |
|
568 |
static void usb_mouse_handle_reset(USBDevice *dev) |
569 |
{ |
570 |
USBHIDState *s = (USBHIDState *)dev; |
571 |
|
572 |
s->ptr.dx = 0;
|
573 |
s->ptr.dy = 0;
|
574 |
s->ptr.dz = 0;
|
575 |
s->ptr.x = 0;
|
576 |
s->ptr.y = 0;
|
577 |
s->ptr.buttons_state = 0;
|
578 |
s->protocol = 1;
|
579 |
} |
580 |
|
581 |
static void usb_keyboard_handle_reset(USBDevice *dev) |
582 |
{ |
583 |
USBHIDState *s = (USBHIDState *)dev; |
584 |
|
585 |
qemu_add_kbd_event_handler(usb_keyboard_event, s); |
586 |
s->protocol = 1;
|
587 |
} |
588 |
|
589 |
static int usb_hid_handle_control(USBDevice *dev, int request, int value, |
590 |
int index, int length, uint8_t *data) |
591 |
{ |
592 |
USBHIDState *s = (USBHIDState *)dev; |
593 |
int ret = 0; |
594 |
|
595 |
switch(request) {
|
596 |
case DeviceRequest | USB_REQ_GET_STATUS:
|
597 |
data[0] = (1 << USB_DEVICE_SELF_POWERED) | |
598 |
(dev->remote_wakeup << USB_DEVICE_REMOTE_WAKEUP); |
599 |
data[1] = 0x00; |
600 |
ret = 2;
|
601 |
break;
|
602 |
case DeviceOutRequest | USB_REQ_CLEAR_FEATURE:
|
603 |
if (value == USB_DEVICE_REMOTE_WAKEUP) {
|
604 |
dev->remote_wakeup = 0;
|
605 |
} else {
|
606 |
goto fail;
|
607 |
} |
608 |
ret = 0;
|
609 |
break;
|
610 |
case DeviceOutRequest | USB_REQ_SET_FEATURE:
|
611 |
if (value == USB_DEVICE_REMOTE_WAKEUP) {
|
612 |
dev->remote_wakeup = 1;
|
613 |
} else {
|
614 |
goto fail;
|
615 |
} |
616 |
ret = 0;
|
617 |
break;
|
618 |
case DeviceOutRequest | USB_REQ_SET_ADDRESS:
|
619 |
dev->addr = value; |
620 |
ret = 0;
|
621 |
break;
|
622 |
case DeviceRequest | USB_REQ_GET_DESCRIPTOR:
|
623 |
switch(value >> 8) { |
624 |
case USB_DT_DEVICE:
|
625 |
memcpy(data, qemu_mouse_dev_descriptor, |
626 |
sizeof(qemu_mouse_dev_descriptor));
|
627 |
ret = sizeof(qemu_mouse_dev_descriptor);
|
628 |
break;
|
629 |
case USB_DT_CONFIG:
|
630 |
if (s->kind == USB_MOUSE) {
|
631 |
memcpy(data, qemu_mouse_config_descriptor, |
632 |
sizeof(qemu_mouse_config_descriptor));
|
633 |
ret = sizeof(qemu_mouse_config_descriptor);
|
634 |
} else if (s->kind == USB_TABLET) { |
635 |
memcpy(data, qemu_tablet_config_descriptor, |
636 |
sizeof(qemu_tablet_config_descriptor));
|
637 |
ret = sizeof(qemu_tablet_config_descriptor);
|
638 |
} else if (s->kind == USB_KEYBOARD) { |
639 |
memcpy(data, qemu_keyboard_config_descriptor, |
640 |
sizeof(qemu_keyboard_config_descriptor));
|
641 |
ret = sizeof(qemu_keyboard_config_descriptor);
|
642 |
} |
643 |
break;
|
644 |
case USB_DT_STRING:
|
645 |
switch(value & 0xff) { |
646 |
case 0: |
647 |
/* language ids */
|
648 |
data[0] = 4; |
649 |
data[1] = 3; |
650 |
data[2] = 0x09; |
651 |
data[3] = 0x04; |
652 |
ret = 4;
|
653 |
break;
|
654 |
case 1: |
655 |
/* serial number */
|
656 |
ret = set_usb_string(data, "1");
|
657 |
break;
|
658 |
case 2: |
659 |
/* product description */
|
660 |
ret = set_usb_string(data, s->dev.devname); |
661 |
break;
|
662 |
case 3: |
663 |
/* vendor description */
|
664 |
ret = set_usb_string(data, "QEMU " QEMU_VERSION);
|
665 |
break;
|
666 |
case 4: |
667 |
ret = set_usb_string(data, "HID Mouse");
|
668 |
break;
|
669 |
case 5: |
670 |
ret = set_usb_string(data, "HID Tablet");
|
671 |
break;
|
672 |
case 6: |
673 |
ret = set_usb_string(data, "HID Keyboard");
|
674 |
break;
|
675 |
case 7: |
676 |
ret = set_usb_string(data, "Endpoint1 Interrupt Pipe");
|
677 |
break;
|
678 |
default:
|
679 |
goto fail;
|
680 |
} |
681 |
break;
|
682 |
default:
|
683 |
goto fail;
|
684 |
} |
685 |
break;
|
686 |
case DeviceRequest | USB_REQ_GET_CONFIGURATION:
|
687 |
data[0] = 1; |
688 |
ret = 1;
|
689 |
break;
|
690 |
case DeviceOutRequest | USB_REQ_SET_CONFIGURATION:
|
691 |
ret = 0;
|
692 |
break;
|
693 |
case DeviceRequest | USB_REQ_GET_INTERFACE:
|
694 |
data[0] = 0; |
695 |
ret = 1;
|
696 |
break;
|
697 |
case DeviceOutRequest | USB_REQ_SET_INTERFACE:
|
698 |
ret = 0;
|
699 |
break;
|
700 |
/* hid specific requests */
|
701 |
case InterfaceRequest | USB_REQ_GET_DESCRIPTOR:
|
702 |
switch(value >> 8) { |
703 |
case 0x22: |
704 |
if (s->kind == USB_MOUSE) {
|
705 |
memcpy(data, qemu_mouse_hid_report_descriptor, |
706 |
sizeof(qemu_mouse_hid_report_descriptor));
|
707 |
ret = sizeof(qemu_mouse_hid_report_descriptor);
|
708 |
} else if (s->kind == USB_TABLET) { |
709 |
memcpy(data, qemu_tablet_hid_report_descriptor, |
710 |
sizeof(qemu_tablet_hid_report_descriptor));
|
711 |
ret = sizeof(qemu_tablet_hid_report_descriptor);
|
712 |
} else if (s->kind == USB_KEYBOARD) { |
713 |
memcpy(data, qemu_keyboard_hid_report_descriptor, |
714 |
sizeof(qemu_keyboard_hid_report_descriptor));
|
715 |
ret = sizeof(qemu_keyboard_hid_report_descriptor);
|
716 |
} |
717 |
break;
|
718 |
default:
|
719 |
goto fail;
|
720 |
} |
721 |
break;
|
722 |
case GET_REPORT:
|
723 |
if (s->kind == USB_MOUSE)
|
724 |
ret = usb_mouse_poll(s, data, length); |
725 |
else if (s->kind == USB_TABLET) |
726 |
ret = usb_tablet_poll(s, data, length); |
727 |
else if (s->kind == USB_KEYBOARD) |
728 |
ret = usb_keyboard_poll(&s->kbd, data, length); |
729 |
break;
|
730 |
case SET_REPORT:
|
731 |
if (s->kind == USB_KEYBOARD)
|
732 |
ret = usb_keyboard_write(&s->kbd, data, length); |
733 |
else
|
734 |
goto fail;
|
735 |
break;
|
736 |
case GET_PROTOCOL:
|
737 |
if (s->kind != USB_KEYBOARD)
|
738 |
goto fail;
|
739 |
ret = 1;
|
740 |
data[0] = s->protocol;
|
741 |
break;
|
742 |
case SET_PROTOCOL:
|
743 |
if (s->kind != USB_KEYBOARD)
|
744 |
goto fail;
|
745 |
ret = 0;
|
746 |
s->protocol = value; |
747 |
break;
|
748 |
case GET_IDLE:
|
749 |
ret = 1;
|
750 |
data[0] = s->idle;
|
751 |
break;
|
752 |
case SET_IDLE:
|
753 |
s->idle = value; |
754 |
ret = 0;
|
755 |
break;
|
756 |
default:
|
757 |
fail:
|
758 |
ret = USB_RET_STALL; |
759 |
break;
|
760 |
} |
761 |
return ret;
|
762 |
} |
763 |
|
764 |
static int usb_hid_handle_data(USBDevice *dev, USBPacket *p) |
765 |
{ |
766 |
USBHIDState *s = (USBHIDState *)dev; |
767 |
int ret = 0; |
768 |
|
769 |
switch(p->pid) {
|
770 |
case USB_TOKEN_IN:
|
771 |
if (p->devep == 1) { |
772 |
/* TODO: Implement finite idle delays. */
|
773 |
if (!(s->changed || s->idle))
|
774 |
return USB_RET_NAK;
|
775 |
s->changed = 0;
|
776 |
if (s->kind == USB_MOUSE)
|
777 |
ret = usb_mouse_poll(s, p->data, p->len); |
778 |
else if (s->kind == USB_TABLET) |
779 |
ret = usb_tablet_poll(s, p->data, p->len); |
780 |
else if (s->kind == USB_KEYBOARD) |
781 |
ret = usb_keyboard_poll(&s->kbd, p->data, p->len); |
782 |
} else {
|
783 |
goto fail;
|
784 |
} |
785 |
break;
|
786 |
case USB_TOKEN_OUT:
|
787 |
default:
|
788 |
fail:
|
789 |
ret = USB_RET_STALL; |
790 |
break;
|
791 |
} |
792 |
return ret;
|
793 |
} |
794 |
|
795 |
static void usb_hid_handle_destroy(USBDevice *dev) |
796 |
{ |
797 |
USBHIDState *s = (USBHIDState *)dev; |
798 |
|
799 |
if (s->kind != USB_KEYBOARD)
|
800 |
qemu_remove_mouse_event_handler(s->ptr.eh_entry); |
801 |
/* TODO: else */
|
802 |
qemu_free(s); |
803 |
} |
804 |
|
805 |
USBDevice *usb_tablet_init(void)
|
806 |
{ |
807 |
USBHIDState *s; |
808 |
|
809 |
s = qemu_mallocz(sizeof(USBHIDState));
|
810 |
if (!s)
|
811 |
return NULL; |
812 |
s->dev.speed = USB_SPEED_FULL; |
813 |
s->dev.handle_packet = usb_generic_handle_packet; |
814 |
|
815 |
s->dev.handle_reset = usb_mouse_handle_reset; |
816 |
s->dev.handle_control = usb_hid_handle_control; |
817 |
s->dev.handle_data = usb_hid_handle_data; |
818 |
s->dev.handle_destroy = usb_hid_handle_destroy; |
819 |
s->kind = USB_TABLET; |
820 |
/* Force poll routine to be run and grab input the first time. */
|
821 |
s->changed = 1;
|
822 |
|
823 |
pstrcpy(s->dev.devname, sizeof(s->dev.devname), "QEMU USB Tablet"); |
824 |
|
825 |
return (USBDevice *)s;
|
826 |
} |
827 |
|
828 |
USBDevice *usb_mouse_init(void)
|
829 |
{ |
830 |
USBHIDState *s; |
831 |
|
832 |
s = qemu_mallocz(sizeof(USBHIDState));
|
833 |
if (!s)
|
834 |
return NULL; |
835 |
s->dev.speed = USB_SPEED_FULL; |
836 |
s->dev.handle_packet = usb_generic_handle_packet; |
837 |
|
838 |
s->dev.handle_reset = usb_mouse_handle_reset; |
839 |
s->dev.handle_control = usb_hid_handle_control; |
840 |
s->dev.handle_data = usb_hid_handle_data; |
841 |
s->dev.handle_destroy = usb_hid_handle_destroy; |
842 |
s->kind = USB_MOUSE; |
843 |
/* Force poll routine to be run and grab input the first time. */
|
844 |
s->changed = 1;
|
845 |
|
846 |
pstrcpy(s->dev.devname, sizeof(s->dev.devname), "QEMU USB Mouse"); |
847 |
|
848 |
return (USBDevice *)s;
|
849 |
} |
850 |
|
851 |
USBDevice *usb_keyboard_init(void)
|
852 |
{ |
853 |
USBHIDState *s; |
854 |
|
855 |
s = qemu_mallocz(sizeof(USBHIDState));
|
856 |
if (!s)
|
857 |
return NULL; |
858 |
s->dev.speed = USB_SPEED_FULL; |
859 |
s->dev.handle_packet = usb_generic_handle_packet; |
860 |
|
861 |
s->dev.handle_reset = usb_keyboard_handle_reset; |
862 |
s->dev.handle_control = usb_hid_handle_control; |
863 |
s->dev.handle_data = usb_hid_handle_data; |
864 |
s->dev.handle_destroy = usb_hid_handle_destroy; |
865 |
s->kind = USB_KEYBOARD; |
866 |
|
867 |
pstrcpy(s->dev.devname, sizeof(s->dev.devname), "QEMU USB Keyboard"); |
868 |
|
869 |
return (USBDevice *) s;
|
870 |
} |