mirror of https://gitee.com/openkylin/qemu.git
948 lines
29 KiB
C
948 lines
29 KiB
C
/*
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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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/* 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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/* 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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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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uint8_t idle;
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int64_t next_idle_clock;
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int changed;
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void *datain_opaque;
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void (*datain)(void *);
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} USBHIDState;
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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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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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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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0xe0, /* 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; */
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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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/* 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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/* 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; */
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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; */
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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, /* Usage Page (Generic Desktop) */
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0x09, 0x02, /* 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 (1) */
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0x29, 0x03, /* Usage Maximum (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, Variable, Absolute) */
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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 (Constant) */
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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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0x09, 0x38, /* Usage (Wheel) */
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0x15, 0x81, /* Logical Minimum (-0x7f) */
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0x25, 0x7f, /* Logical Maximum (0x7f) */
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0x75, 0x08, /* Report Size (8) */
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0x95, 0x03, /* Report Count (3) */
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0x81, 0x06, /* Input (Data, Variable, Relative) */
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0xc0, /* End Collection */
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0xc0, /* End Collection */
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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 (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) */
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0x05, 0x09, /* Usage Page (Button) */
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0x19, 0x01, /* Usage Minimum (1) */
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0x29, 0x03, /* Usage Maximum (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, Variable, Absolute) */
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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 (Constant) */
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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, 0xff, 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, Variable, Absolute) */
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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 (-0x7f) */
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0x25, 0x7f, /* Logical Maximum (0x7f) */
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0x35, 0x00, /* Physical Minimum (same as logical) */
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0x45, 0x00, /* Physical Maximum (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, 0x06, /* Input (Data, Variable, Relative) */
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0xc0, /* End Collection */
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0xc0, /* End Collection */
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};
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static const uint8_t qemu_keyboard_hid_report_descriptor[] = {
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0x05, 0x01, /* Usage Page (Generic Desktop) */
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0x09, 0x06, /* Usage (Keyboard) */
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0xa1, 0x01, /* Collection (Application) */
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0x75, 0x01, /* Report Size (1) */
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0x95, 0x08, /* Report Count (8) */
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0x05, 0x07, /* Usage Page (Key Codes) */
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0x19, 0xe0, /* Usage Minimum (224) */
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0x29, 0xe7, /* Usage Maximum (231) */
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0x15, 0x00, /* Logical Minimum (0) */
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0x25, 0x01, /* Logical Maximum (1) */
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0x81, 0x02, /* Input (Data, Variable, Absolute) */
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0x95, 0x01, /* Report Count (1) */
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0x75, 0x08, /* Report Size (8) */
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0x81, 0x01, /* Input (Constant) */
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0x95, 0x05, /* Report Count (5) */
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0x75, 0x01, /* Report Size (1) */
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0x05, 0x08, /* Usage Page (LEDs) */
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0x19, 0x01, /* Usage Minimum (1) */
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0x29, 0x05, /* Usage Maximum (5) */
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0x91, 0x02, /* Output (Data, Variable, Absolute) */
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0x95, 0x01, /* Report Count (1) */
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0x75, 0x03, /* Report Size (3) */
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0x91, 0x01, /* Output (Constant) */
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0x95, 0x06, /* Report Count (6) */
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0x75, 0x08, /* Report Size (8) */
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0x15, 0x00, /* Logical Minimum (0) */
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0x25, 0xff, /* Logical Maximum (255) */
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0x05, 0x07, /* Usage Page (Key Codes) */
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0x19, 0x00, /* Usage Minimum (0) */
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0x29, 0xff, /* Usage Maximum (255) */
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0x81, 0x00, /* Input (Data, Array) */
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0xc0, /* End Collection */
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};
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#define USB_HID_USAGE_ERROR_ROLLOVER 0x01
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#define USB_HID_USAGE_POSTFAIL 0x02
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#define USB_HID_USAGE_ERROR_UNDEFINED 0x03
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/* 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] = {
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0x00, 0x29, 0x1e, 0x1f, 0x20, 0x21, 0x22, 0x23,
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0x24, 0x25, 0x26, 0x27, 0x2d, 0x2e, 0x2a, 0x2b,
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0x14, 0x1a, 0x08, 0x15, 0x17, 0x1c, 0x18, 0x0c,
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0x12, 0x13, 0x2f, 0x30, 0x28, 0xe0, 0x04, 0x16,
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0x07, 0x09, 0x0a, 0x0b, 0x0d, 0x0e, 0x0f, 0x33,
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0x34, 0x35, 0xe1, 0x31, 0x1d, 0x1b, 0x06, 0x19,
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0x05, 0x11, 0x10, 0x36, 0x37, 0x38, 0xe5, 0x55,
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0xe2, 0x2c, 0x32, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e,
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0x3f, 0x40, 0x41, 0x42, 0x43, 0x53, 0x47, 0x5f,
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0x60, 0x61, 0x56, 0x5c, 0x5d, 0x5e, 0x57, 0x59,
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0x5a, 0x5b, 0x62, 0x63, 0x00, 0x00, 0x00, 0x44,
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0x45, 0x68, 0x69, 0x6a, 0x6b, 0x6c, 0x6d, 0x6e,
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0xe8, 0xe9, 0x71, 0x72, 0x73, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x85, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0xe3, 0xe7, 0x65,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x58, 0xe4, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x54, 0x00, 0x46,
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0xe6, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x48, 0x00, 0x4a,
|
|
0x52, 0x4b, 0x00, 0x50, 0x00, 0x4f, 0x00, 0x4d,
|
|
0x51, 0x4e, 0x49, 0x4c, 0x00, 0x00, 0x00, 0x00,
|
|
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
|
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
|
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
|
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
|
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
|
};
|
|
|
|
static void usb_hid_changed(USBHIDState *hs)
|
|
{
|
|
hs->changed = 1;
|
|
|
|
if (hs->datain)
|
|
hs->datain(hs->datain_opaque);
|
|
}
|
|
|
|
static void usb_mouse_event(void *opaque,
|
|
int dx1, int dy1, int dz1, int buttons_state)
|
|
{
|
|
USBHIDState *hs = opaque;
|
|
USBMouseState *s = &hs->ptr;
|
|
|
|
s->dx += dx1;
|
|
s->dy += dy1;
|
|
s->dz += dz1;
|
|
s->buttons_state = buttons_state;
|
|
|
|
usb_hid_changed(hs);
|
|
}
|
|
|
|
static void usb_tablet_event(void *opaque,
|
|
int x, int y, int dz, int buttons_state)
|
|
{
|
|
USBHIDState *hs = opaque;
|
|
USBMouseState *s = &hs->ptr;
|
|
|
|
s->x = x;
|
|
s->y = y;
|
|
s->dz += dz;
|
|
s->buttons_state = buttons_state;
|
|
|
|
usb_hid_changed(hs);
|
|
}
|
|
|
|
static void usb_keyboard_event(void *opaque, int keycode)
|
|
{
|
|
USBHIDState *hs = opaque;
|
|
USBKeyboardState *s = &hs->kbd;
|
|
uint8_t hid_code, key;
|
|
int i;
|
|
|
|
key = keycode & 0x7f;
|
|
hid_code = usb_hid_usage_keys[key | ((s->modifiers >> 1) & (1 << 7))];
|
|
s->modifiers &= ~(1 << 8);
|
|
|
|
switch (hid_code) {
|
|
case 0x00:
|
|
return;
|
|
|
|
case 0xe0:
|
|
if (s->modifiers & (1 << 9)) {
|
|
s->modifiers ^= 3 << 8;
|
|
return;
|
|
}
|
|
case 0xe1 ... 0xe7:
|
|
if (keycode & (1 << 7)) {
|
|
s->modifiers &= ~(1 << (hid_code & 0x0f));
|
|
return;
|
|
}
|
|
case 0xe8 ... 0xef:
|
|
s->modifiers |= 1 << (hid_code & 0x0f);
|
|
return;
|
|
}
|
|
|
|
if (keycode & (1 << 7)) {
|
|
for (i = s->keys - 1; i >= 0; i --)
|
|
if (s->key[i] == hid_code) {
|
|
s->key[i] = s->key[-- s->keys];
|
|
s->key[s->keys] = 0x00;
|
|
usb_hid_changed(hs);
|
|
break;
|
|
}
|
|
if (i < 0)
|
|
return;
|
|
} else {
|
|
for (i = s->keys - 1; i >= 0; i --)
|
|
if (s->key[i] == hid_code)
|
|
break;
|
|
if (i < 0) {
|
|
if (s->keys < sizeof(s->key))
|
|
s->key[s->keys ++] = hid_code;
|
|
} else
|
|
return;
|
|
}
|
|
|
|
usb_hid_changed(hs);
|
|
}
|
|
|
|
static inline int int_clamp(int val, int vmin, int vmax)
|
|
{
|
|
if (val < vmin)
|
|
return vmin;
|
|
else if (val > vmax)
|
|
return vmax;
|
|
else
|
|
return val;
|
|
}
|
|
|
|
static int usb_mouse_poll(USBHIDState *hs, uint8_t *buf, int len)
|
|
{
|
|
int dx, dy, dz, b, l;
|
|
USBMouseState *s = &hs->ptr;
|
|
|
|
if (!s->mouse_grabbed) {
|
|
qemu_activate_mouse_event_handler(s->eh_entry);
|
|
s->mouse_grabbed = 1;
|
|
}
|
|
|
|
dx = int_clamp(s->dx, -127, 127);
|
|
dy = int_clamp(s->dy, -127, 127);
|
|
dz = int_clamp(s->dz, -127, 127);
|
|
|
|
s->dx -= dx;
|
|
s->dy -= dy;
|
|
s->dz -= dz;
|
|
|
|
/* Appears we have to invert the wheel direction */
|
|
dz = 0 - dz;
|
|
|
|
b = 0;
|
|
if (s->buttons_state & MOUSE_EVENT_LBUTTON)
|
|
b |= 0x01;
|
|
if (s->buttons_state & MOUSE_EVENT_RBUTTON)
|
|
b |= 0x02;
|
|
if (s->buttons_state & MOUSE_EVENT_MBUTTON)
|
|
b |= 0x04;
|
|
|
|
l = 0;
|
|
if (len > l)
|
|
buf[l ++] = b;
|
|
if (len > l)
|
|
buf[l ++] = dx;
|
|
if (len > l)
|
|
buf[l ++] = dy;
|
|
if (len > l)
|
|
buf[l ++] = dz;
|
|
return l;
|
|
}
|
|
|
|
static int usb_tablet_poll(USBHIDState *hs, uint8_t *buf, int len)
|
|
{
|
|
int dz, b, l;
|
|
USBMouseState *s = &hs->ptr;
|
|
|
|
if (!s->mouse_grabbed) {
|
|
qemu_activate_mouse_event_handler(s->eh_entry);
|
|
s->mouse_grabbed = 1;
|
|
}
|
|
|
|
dz = int_clamp(s->dz, -127, 127);
|
|
s->dz -= dz;
|
|
|
|
/* Appears we have to invert the wheel direction */
|
|
dz = 0 - dz;
|
|
b = 0;
|
|
if (s->buttons_state & MOUSE_EVENT_LBUTTON)
|
|
b |= 0x01;
|
|
if (s->buttons_state & MOUSE_EVENT_RBUTTON)
|
|
b |= 0x02;
|
|
if (s->buttons_state & MOUSE_EVENT_MBUTTON)
|
|
b |= 0x04;
|
|
|
|
buf[0] = b;
|
|
buf[1] = s->x & 0xff;
|
|
buf[2] = s->x >> 8;
|
|
buf[3] = s->y & 0xff;
|
|
buf[4] = s->y >> 8;
|
|
buf[5] = dz;
|
|
l = 6;
|
|
|
|
return l;
|
|
}
|
|
|
|
static int usb_keyboard_poll(USBKeyboardState *s, uint8_t *buf, int len)
|
|
{
|
|
if (len < 2)
|
|
return 0;
|
|
|
|
buf[0] = s->modifiers & 0xff;
|
|
buf[1] = 0;
|
|
if (s->keys > 6)
|
|
memset(buf + 2, USB_HID_USAGE_ERROR_ROLLOVER, MIN(8, len) - 2);
|
|
else
|
|
memcpy(buf + 2, s->key, MIN(8, len) - 2);
|
|
|
|
return MIN(8, len);
|
|
}
|
|
|
|
static int usb_keyboard_write(USBKeyboardState *s, uint8_t *buf, int len)
|
|
{
|
|
if (len > 0) {
|
|
int ledstate = 0;
|
|
/* 0x01: Num Lock LED
|
|
* 0x02: Caps Lock LED
|
|
* 0x04: Scroll Lock LED
|
|
* 0x08: Compose LED
|
|
* 0x10: Kana LED */
|
|
s->leds = buf[0];
|
|
if (s->leds & 0x04)
|
|
ledstate |= QEMU_SCROLL_LOCK_LED;
|
|
if (s->leds & 0x01)
|
|
ledstate |= QEMU_NUM_LOCK_LED;
|
|
if (s->leds & 0x02)
|
|
ledstate |= QEMU_CAPS_LOCK_LED;
|
|
kbd_put_ledstate(ledstate);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static void usb_mouse_handle_reset(USBDevice *dev)
|
|
{
|
|
USBHIDState *s = (USBHIDState *)dev;
|
|
|
|
s->ptr.dx = 0;
|
|
s->ptr.dy = 0;
|
|
s->ptr.dz = 0;
|
|
s->ptr.x = 0;
|
|
s->ptr.y = 0;
|
|
s->ptr.buttons_state = 0;
|
|
s->protocol = 1;
|
|
}
|
|
|
|
static void usb_keyboard_handle_reset(USBDevice *dev)
|
|
{
|
|
USBHIDState *s = (USBHIDState *)dev;
|
|
|
|
qemu_add_kbd_event_handler(usb_keyboard_event, s);
|
|
s->protocol = 1;
|
|
}
|
|
|
|
static void usb_hid_set_next_idle(USBHIDState *s, int64_t curtime)
|
|
{
|
|
s->next_idle_clock = curtime + (get_ticks_per_sec() * s->idle * 4) / 1000;
|
|
}
|
|
|
|
static int usb_hid_handle_control(USBDevice *dev, int request, int value,
|
|
int index, int length, uint8_t *data)
|
|
{
|
|
USBHIDState *s = (USBHIDState *)dev;
|
|
int ret = 0;
|
|
|
|
switch(request) {
|
|
case DeviceRequest | USB_REQ_GET_STATUS:
|
|
data[0] = (1 << USB_DEVICE_SELF_POWERED) |
|
|
(dev->remote_wakeup << USB_DEVICE_REMOTE_WAKEUP);
|
|
data[1] = 0x00;
|
|
ret = 2;
|
|
break;
|
|
case DeviceOutRequest | USB_REQ_CLEAR_FEATURE:
|
|
if (value == USB_DEVICE_REMOTE_WAKEUP) {
|
|
dev->remote_wakeup = 0;
|
|
} else {
|
|
goto fail;
|
|
}
|
|
ret = 0;
|
|
break;
|
|
case DeviceOutRequest | USB_REQ_SET_FEATURE:
|
|
if (value == USB_DEVICE_REMOTE_WAKEUP) {
|
|
dev->remote_wakeup = 1;
|
|
} else {
|
|
goto fail;
|
|
}
|
|
ret = 0;
|
|
break;
|
|
case DeviceOutRequest | USB_REQ_SET_ADDRESS:
|
|
dev->addr = value;
|
|
ret = 0;
|
|
break;
|
|
case DeviceRequest | USB_REQ_GET_DESCRIPTOR:
|
|
switch(value >> 8) {
|
|
case USB_DT_DEVICE:
|
|
memcpy(data, qemu_mouse_dev_descriptor,
|
|
sizeof(qemu_mouse_dev_descriptor));
|
|
ret = sizeof(qemu_mouse_dev_descriptor);
|
|
break;
|
|
case USB_DT_CONFIG:
|
|
if (s->kind == USB_MOUSE) {
|
|
memcpy(data, qemu_mouse_config_descriptor,
|
|
sizeof(qemu_mouse_config_descriptor));
|
|
ret = sizeof(qemu_mouse_config_descriptor);
|
|
} else if (s->kind == USB_TABLET) {
|
|
memcpy(data, qemu_tablet_config_descriptor,
|
|
sizeof(qemu_tablet_config_descriptor));
|
|
ret = sizeof(qemu_tablet_config_descriptor);
|
|
} else if (s->kind == USB_KEYBOARD) {
|
|
memcpy(data, qemu_keyboard_config_descriptor,
|
|
sizeof(qemu_keyboard_config_descriptor));
|
|
ret = sizeof(qemu_keyboard_config_descriptor);
|
|
}
|
|
break;
|
|
case USB_DT_STRING:
|
|
switch(value & 0xff) {
|
|
case 0:
|
|
/* language ids */
|
|
data[0] = 4;
|
|
data[1] = 3;
|
|
data[2] = 0x09;
|
|
data[3] = 0x04;
|
|
ret = 4;
|
|
break;
|
|
case 1:
|
|
/* serial number */
|
|
ret = set_usb_string(data, "1");
|
|
break;
|
|
case 2:
|
|
/* product description */
|
|
ret = set_usb_string(data, s->dev.product_desc);
|
|
break;
|
|
case 3:
|
|
/* vendor description */
|
|
ret = set_usb_string(data, "QEMU " QEMU_VERSION);
|
|
break;
|
|
case 4:
|
|
ret = set_usb_string(data, "HID Mouse");
|
|
break;
|
|
case 5:
|
|
ret = set_usb_string(data, "HID Tablet");
|
|
break;
|
|
case 6:
|
|
ret = set_usb_string(data, "HID Keyboard");
|
|
break;
|
|
case 7:
|
|
ret = set_usb_string(data, "Endpoint1 Interrupt Pipe");
|
|
break;
|
|
default:
|
|
goto fail;
|
|
}
|
|
break;
|
|
default:
|
|
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 (s->kind == USB_MOUSE) {
|
|
memcpy(data, qemu_mouse_hid_report_descriptor,
|
|
sizeof(qemu_mouse_hid_report_descriptor));
|
|
ret = sizeof(qemu_mouse_hid_report_descriptor);
|
|
} else if (s->kind == USB_TABLET) {
|
|
memcpy(data, qemu_tablet_hid_report_descriptor,
|
|
sizeof(qemu_tablet_hid_report_descriptor));
|
|
ret = sizeof(qemu_tablet_hid_report_descriptor);
|
|
} else if (s->kind == USB_KEYBOARD) {
|
|
memcpy(data, qemu_keyboard_hid_report_descriptor,
|
|
sizeof(qemu_keyboard_hid_report_descriptor));
|
|
ret = sizeof(qemu_keyboard_hid_report_descriptor);
|
|
}
|
|
break;
|
|
default:
|
|
goto fail;
|
|
}
|
|
break;
|
|
case GET_REPORT:
|
|
if (s->kind == USB_MOUSE)
|
|
ret = usb_mouse_poll(s, data, length);
|
|
else if (s->kind == USB_TABLET)
|
|
ret = usb_tablet_poll(s, data, length);
|
|
else if (s->kind == USB_KEYBOARD)
|
|
ret = usb_keyboard_poll(&s->kbd, data, length);
|
|
break;
|
|
case SET_REPORT:
|
|
if (s->kind == USB_KEYBOARD)
|
|
ret = usb_keyboard_write(&s->kbd, data, length);
|
|
else
|
|
goto fail;
|
|
break;
|
|
case GET_PROTOCOL:
|
|
if (s->kind != USB_KEYBOARD)
|
|
goto fail;
|
|
ret = 1;
|
|
data[0] = s->protocol;
|
|
break;
|
|
case SET_PROTOCOL:
|
|
if (s->kind != USB_KEYBOARD)
|
|
goto fail;
|
|
ret = 0;
|
|
s->protocol = value;
|
|
break;
|
|
case GET_IDLE:
|
|
ret = 1;
|
|
data[0] = s->idle;
|
|
break;
|
|
case SET_IDLE:
|
|
s->idle = (uint8_t) (value >> 8);
|
|
usb_hid_set_next_idle(s, qemu_get_clock(vm_clock));
|
|
ret = 0;
|
|
break;
|
|
default:
|
|
fail:
|
|
ret = USB_RET_STALL;
|
|
break;
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
static int usb_hid_handle_data(USBDevice *dev, USBPacket *p)
|
|
{
|
|
USBHIDState *s = (USBHIDState *)dev;
|
|
int ret = 0;
|
|
|
|
switch(p->pid) {
|
|
case USB_TOKEN_IN:
|
|
if (p->devep == 1) {
|
|
int64_t curtime = qemu_get_clock(vm_clock);
|
|
if (!s->changed && (!s->idle || s->next_idle_clock - curtime > 0))
|
|
return USB_RET_NAK;
|
|
usb_hid_set_next_idle(s, curtime);
|
|
s->changed = 0;
|
|
if (s->kind == USB_MOUSE)
|
|
ret = usb_mouse_poll(s, p->data, p->len);
|
|
else if (s->kind == USB_TABLET)
|
|
ret = usb_tablet_poll(s, p->data, p->len);
|
|
else if (s->kind == USB_KEYBOARD)
|
|
ret = usb_keyboard_poll(&s->kbd, p->data, p->len);
|
|
} else {
|
|
goto fail;
|
|
}
|
|
break;
|
|
case USB_TOKEN_OUT:
|
|
default:
|
|
fail:
|
|
ret = USB_RET_STALL;
|
|
break;
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
static void usb_hid_handle_destroy(USBDevice *dev)
|
|
{
|
|
USBHIDState *s = (USBHIDState *)dev;
|
|
|
|
if (s->kind != USB_KEYBOARD)
|
|
qemu_remove_mouse_event_handler(s->ptr.eh_entry);
|
|
/* TODO: else */
|
|
}
|
|
|
|
static int usb_hid_initfn(USBDevice *dev, int kind)
|
|
{
|
|
USBHIDState *s = DO_UPCAST(USBHIDState, dev, dev);
|
|
s->dev.speed = USB_SPEED_FULL;
|
|
s->kind = kind;
|
|
|
|
if (s->kind == USB_MOUSE) {
|
|
s->ptr.eh_entry = qemu_add_mouse_event_handler(usb_mouse_event, s,
|
|
0, "QEMU USB Mouse");
|
|
} else if (s->kind == USB_TABLET) {
|
|
s->ptr.eh_entry = qemu_add_mouse_event_handler(usb_tablet_event, s,
|
|
1, "QEMU USB Tablet");
|
|
}
|
|
|
|
/* Force poll routine to be run and grab input the first time. */
|
|
s->changed = 1;
|
|
return 0;
|
|
}
|
|
|
|
static int usb_tablet_initfn(USBDevice *dev)
|
|
{
|
|
return usb_hid_initfn(dev, USB_TABLET);
|
|
}
|
|
|
|
static int usb_mouse_initfn(USBDevice *dev)
|
|
{
|
|
return usb_hid_initfn(dev, USB_MOUSE);
|
|
}
|
|
|
|
static int usb_keyboard_initfn(USBDevice *dev)
|
|
{
|
|
return usb_hid_initfn(dev, USB_KEYBOARD);
|
|
}
|
|
|
|
void usb_hid_datain_cb(USBDevice *dev, void *opaque, void (*datain)(void *))
|
|
{
|
|
USBHIDState *s = (USBHIDState *)dev;
|
|
|
|
s->datain_opaque = opaque;
|
|
s->datain = datain;
|
|
}
|
|
|
|
static struct USBDeviceInfo hid_info[] = {
|
|
{
|
|
.product_desc = "QEMU USB Tablet",
|
|
.qdev.name = "usb-tablet",
|
|
.usbdevice_name = "tablet",
|
|
.qdev.size = sizeof(USBHIDState),
|
|
.init = usb_tablet_initfn,
|
|
.handle_packet = usb_generic_handle_packet,
|
|
.handle_reset = usb_mouse_handle_reset,
|
|
.handle_control = usb_hid_handle_control,
|
|
.handle_data = usb_hid_handle_data,
|
|
.handle_destroy = usb_hid_handle_destroy,
|
|
},{
|
|
.product_desc = "QEMU USB Mouse",
|
|
.qdev.name = "usb-mouse",
|
|
.usbdevice_name = "mouse",
|
|
.qdev.size = sizeof(USBHIDState),
|
|
.init = usb_mouse_initfn,
|
|
.handle_packet = usb_generic_handle_packet,
|
|
.handle_reset = usb_mouse_handle_reset,
|
|
.handle_control = usb_hid_handle_control,
|
|
.handle_data = usb_hid_handle_data,
|
|
.handle_destroy = usb_hid_handle_destroy,
|
|
},{
|
|
.product_desc = "QEMU USB Keyboard",
|
|
.qdev.name = "usb-kbd",
|
|
.usbdevice_name = "keyboard",
|
|
.qdev.size = sizeof(USBHIDState),
|
|
.init = usb_keyboard_initfn,
|
|
.handle_packet = usb_generic_handle_packet,
|
|
.handle_reset = usb_keyboard_handle_reset,
|
|
.handle_control = usb_hid_handle_control,
|
|
.handle_data = usb_hid_handle_data,
|
|
.handle_destroy = usb_hid_handle_destroy,
|
|
},{
|
|
/* end of list */
|
|
}
|
|
};
|
|
|
|
static void usb_hid_register_devices(void)
|
|
{
|
|
usb_qdev_register_many(hid_info);
|
|
}
|
|
device_init(usb_hid_register_devices)
|