| /* |
| * QEMU USB HID devices |
| * |
| * Copyright (c) 2005 Fabrice Bellard |
| * Copyright (c) 2007 OpenMoko, Inc. (andrew@openedhand.com) |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining a copy |
| * of this software and associated documentation files (the "Software"), to deal |
| * in the Software without restriction, including without limitation the rights |
| * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
| * copies of the Software, and to permit persons to whom the Software is |
| * furnished to do so, subject to the following conditions: |
| * |
| * The above copyright notice and this permission notice shall be included in |
| * all copies or substantial portions of the Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
| * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN |
| * THE SOFTWARE. |
| */ |
| #include "hw.h" |
| #include "console.h" |
| #include "usb.h" |
| |
| /* HID interface requests */ |
| #define GET_REPORT 0xa101 |
| #define GET_IDLE 0xa102 |
| #define GET_PROTOCOL 0xa103 |
| #define SET_REPORT 0x2109 |
| #define SET_IDLE 0x210a |
| #define SET_PROTOCOL 0x210b |
| |
| /* HID descriptor types */ |
| #define USB_DT_HID 0x21 |
| #define USB_DT_REPORT 0x22 |
| #define USB_DT_PHY 0x23 |
| |
| #define USB_MOUSE 1 |
| #define USB_TABLET 2 |
| #define USB_KEYBOARD 3 |
| |
| typedef struct USBMouseState { |
| int dx, dy, dz, buttons_state; |
| int x, y; |
| int mouse_grabbed; |
| QEMUPutMouseEntry *eh_entry; |
| } USBMouseState; |
| |
| typedef struct USBKeyboardState { |
| uint16_t modifiers; |
| uint8_t leds; |
| uint8_t key[16]; |
| int keys; |
| } USBKeyboardState; |
| |
| typedef struct USBHIDState { |
| USBDevice dev; |
| union { |
| USBMouseState ptr; |
| USBKeyboardState kbd; |
| }; |
| int kind; |
| int protocol; |
| uint8_t idle; |
| int changed; |
| void *datain_opaque; |
| void (*datain)(void *); |
| } USBHIDState; |
| |
| /* mostly the same values as the Bochs USB Mouse device */ |
| static const uint8_t qemu_mouse_dev_descriptor[] = { |
| 0x12, /* u8 bLength; */ |
| 0x01, /* u8 bDescriptorType; Device */ |
| 0x00, 0x01, /* u16 bcdUSB; v1.0 */ |
| |
| 0x00, /* u8 bDeviceClass; */ |
| 0x00, /* u8 bDeviceSubClass; */ |
| 0x00, /* u8 bDeviceProtocol; [ low/full speeds only ] */ |
| 0x08, /* u8 bMaxPacketSize0; 8 Bytes */ |
| |
| 0x27, 0x06, /* u16 idVendor; */ |
| 0x01, 0x00, /* u16 idProduct; */ |
| 0x00, 0x00, /* u16 bcdDevice */ |
| |
| 0x03, /* u8 iManufacturer; */ |
| 0x02, /* u8 iProduct; */ |
| 0x01, /* u8 iSerialNumber; */ |
| 0x01 /* u8 bNumConfigurations; */ |
| }; |
| |
| static const uint8_t qemu_mouse_config_descriptor[] = { |
| /* one configuration */ |
| 0x09, /* u8 bLength; */ |
| 0x02, /* u8 bDescriptorType; Configuration */ |
| 0x22, 0x00, /* u16 wTotalLength; */ |
| 0x01, /* u8 bNumInterfaces; (1) */ |
| 0x01, /* u8 bConfigurationValue; */ |
| 0x04, /* u8 iConfiguration; */ |
| 0xa0, /* u8 bmAttributes; |
| Bit 7: must be set, |
| 6: Self-powered, |
| 5: Remote wakeup, |
| 4..0: resvd */ |
| 50, /* u8 MaxPower; */ |
| |
| /* USB 1.1: |
| * USB 2.0, single TT organization (mandatory): |
| * one interface, protocol 0 |
| * |
| * USB 2.0, multiple TT organization (optional): |
| * two interfaces, protocols 1 (like single TT) |
| * and 2 (multiple TT mode) ... config is |
| * sometimes settable |
| * NOT IMPLEMENTED |
| */ |
| |
| /* one interface */ |
| 0x09, /* u8 if_bLength; */ |
| 0x04, /* u8 if_bDescriptorType; Interface */ |
| 0x00, /* u8 if_bInterfaceNumber; */ |
| 0x00, /* u8 if_bAlternateSetting; */ |
| 0x01, /* u8 if_bNumEndpoints; */ |
| 0x03, /* u8 if_bInterfaceClass; */ |
| 0x01, /* u8 if_bInterfaceSubClass; */ |
| 0x02, /* u8 if_bInterfaceProtocol; [usb1.1 or single tt] */ |
| 0x07, /* u8 if_iInterface; */ |
| |
| /* HID descriptor */ |
| 0x09, /* u8 bLength; */ |
| 0x21, /* u8 bDescriptorType; */ |
| 0x01, 0x00, /* u16 HID_class */ |
| 0x00, /* u8 country_code */ |
| 0x01, /* u8 num_descriptors */ |
| 0x22, /* u8 type; Report */ |
| 52, 0, /* u16 len */ |
| |
| /* one endpoint (status change endpoint) */ |
| 0x07, /* u8 ep_bLength; */ |
| 0x05, /* u8 ep_bDescriptorType; Endpoint */ |
| 0x81, /* u8 ep_bEndpointAddress; IN Endpoint 1 */ |
| 0x03, /* u8 ep_bmAttributes; Interrupt */ |
| 0x04, 0x00, /* u16 ep_wMaxPacketSize; */ |
| 0x0a, /* u8 ep_bInterval; (255ms -- usb 2.0 spec) */ |
| }; |
| |
| static const uint8_t qemu_tablet_config_descriptor[] = { |
| /* one configuration */ |
| 0x09, /* u8 bLength; */ |
| 0x02, /* u8 bDescriptorType; Configuration */ |
| 0x22, 0x00, /* u16 wTotalLength; */ |
| 0x01, /* u8 bNumInterfaces; (1) */ |
| 0x01, /* u8 bConfigurationValue; */ |
| 0x05, /* u8 iConfiguration; */ |
| 0xa0, /* u8 bmAttributes; |
| Bit 7: must be set, |
| 6: Self-powered, |
| 5: Remote wakeup, |
| 4..0: resvd */ |
| 50, /* u8 MaxPower; */ |
| |
| /* USB 1.1: |
| * USB 2.0, single TT organization (mandatory): |
| * one interface, protocol 0 |
| * |
| * USB 2.0, multiple TT organization (optional): |
| * two interfaces, protocols 1 (like single TT) |
| * and 2 (multiple TT mode) ... config is |
| * sometimes settable |
| * NOT IMPLEMENTED |
| */ |
| |
| /* one interface */ |
| 0x09, /* u8 if_bLength; */ |
| 0x04, /* u8 if_bDescriptorType; Interface */ |
| 0x00, /* u8 if_bInterfaceNumber; */ |
| 0x00, /* u8 if_bAlternateSetting; */ |
| 0x01, /* u8 if_bNumEndpoints; */ |
| 0x03, /* u8 if_bInterfaceClass; */ |
| 0x01, /* u8 if_bInterfaceSubClass; */ |
| 0x02, /* u8 if_bInterfaceProtocol; [usb1.1 or single tt] */ |
| 0x07, /* u8 if_iInterface; */ |
| |
| /* HID descriptor */ |
| 0x09, /* u8 bLength; */ |
| 0x21, /* u8 bDescriptorType; */ |
| 0x01, 0x00, /* u16 HID_class */ |
| 0x00, /* u8 country_code */ |
| 0x01, /* u8 num_descriptors */ |
| 0x22, /* u8 type; Report */ |
| 74, 0, /* u16 len */ |
| |
| /* one endpoint (status change endpoint) */ |
| 0x07, /* u8 ep_bLength; */ |
| 0x05, /* u8 ep_bDescriptorType; Endpoint */ |
| 0x81, /* u8 ep_bEndpointAddress; IN Endpoint 1 */ |
| 0x03, /* u8 ep_bmAttributes; Interrupt */ |
| 0x08, 0x00, /* u16 ep_wMaxPacketSize; */ |
| 0x0a, /* u8 ep_bInterval; (255ms -- usb 2.0 spec) */ |
| }; |
| |
| static const uint8_t qemu_keyboard_config_descriptor[] = { |
| /* one configuration */ |
| 0x09, /* u8 bLength; */ |
| USB_DT_CONFIG, /* u8 bDescriptorType; Configuration */ |
| 0x22, 0x00, /* u16 wTotalLength; */ |
| 0x01, /* u8 bNumInterfaces; (1) */ |
| 0x01, /* u8 bConfigurationValue; */ |
| 0x06, /* u8 iConfiguration; */ |
| 0xa0, /* u8 bmAttributes; |
| Bit 7: must be set, |
| 6: Self-powered, |
| 5: Remote wakeup, |
| 4..0: resvd */ |
| 0x32, /* u8 MaxPower; */ |
| |
| /* USB 1.1: |
| * USB 2.0, single TT organization (mandatory): |
| * one interface, protocol 0 |
| * |
| * USB 2.0, multiple TT organization (optional): |
| * two interfaces, protocols 1 (like single TT) |
| * and 2 (multiple TT mode) ... config is |
| * sometimes settable |
| * NOT IMPLEMENTED |
| */ |
| |
| /* one interface */ |
| 0x09, /* u8 if_bLength; */ |
| USB_DT_INTERFACE, /* u8 if_bDescriptorType; Interface */ |
| 0x00, /* u8 if_bInterfaceNumber; */ |
| 0x00, /* u8 if_bAlternateSetting; */ |
| 0x01, /* u8 if_bNumEndpoints; */ |
| 0x03, /* u8 if_bInterfaceClass; HID */ |
| 0x01, /* u8 if_bInterfaceSubClass; Boot */ |
| 0x01, /* u8 if_bInterfaceProtocol; Keyboard */ |
| 0x07, /* u8 if_iInterface; */ |
| |
| /* HID descriptor */ |
| 0x09, /* u8 bLength; */ |
| USB_DT_HID, /* u8 bDescriptorType; */ |
| 0x11, 0x01, /* u16 HID_class */ |
| 0x00, /* u8 country_code */ |
| 0x01, /* u8 num_descriptors */ |
| USB_DT_REPORT, /* u8 type; Report */ |
| 0x3f, 0x00, /* u16 len */ |
| |
| /* one endpoint (status change endpoint) */ |
| 0x07, /* u8 ep_bLength; */ |
| USB_DT_ENDPOINT, /* u8 ep_bDescriptorType; Endpoint */ |
| USB_DIR_IN | 0x01, /* u8 ep_bEndpointAddress; IN Endpoint 1 */ |
| 0x03, /* u8 ep_bmAttributes; Interrupt */ |
| 0x08, 0x00, /* u16 ep_wMaxPacketSize; */ |
| 0x0a, /* u8 ep_bInterval; (255ms -- usb 2.0 spec) */ |
| }; |
| |
| static const uint8_t qemu_mouse_hid_report_descriptor[] = { |
| 0x05, 0x01, /* Usage Page (Generic Desktop) */ |
| 0x09, 0x02, /* Usage (Mouse) */ |
| 0xa1, 0x01, /* Collection (Application) */ |
| 0x09, 0x01, /* Usage (Pointer) */ |
| 0xa1, 0x00, /* Collection (Physical) */ |
| 0x05, 0x09, /* Usage Page (Button) */ |
| 0x19, 0x01, /* Usage Minimum (1) */ |
| 0x29, 0x03, /* Usage Maximum (3) */ |
| 0x15, 0x00, /* Logical Minimum (0) */ |
| 0x25, 0x01, /* Logical Maximum (1) */ |
| 0x95, 0x03, /* Report Count (3) */ |
| 0x75, 0x01, /* Report Size (1) */ |
| 0x81, 0x02, /* Input (Data, Variable, Absolute) */ |
| 0x95, 0x01, /* Report Count (1) */ |
| 0x75, 0x05, /* Report Size (5) */ |
| 0x81, 0x01, /* Input (Constant) */ |
| 0x05, 0x01, /* Usage Page (Generic Desktop) */ |
| 0x09, 0x30, /* Usage (X) */ |
| 0x09, 0x31, /* Usage (Y) */ |
| 0x09, 0x38, /* Usage (Wheel) */ |
| 0x15, 0x81, /* Logical Minimum (-0x7f) */ |
| 0x25, 0x7f, /* Logical Maximum (0x7f) */ |
| 0x75, 0x08, /* Report Size (8) */ |
| 0x95, 0x03, /* Report Count (3) */ |
| 0x81, 0x06, /* Input (Data, Variable, Relative) */ |
| 0xc0, /* End Collection */ |
| 0xc0, /* End Collection */ |
| }; |
| |
| static const uint8_t qemu_tablet_hid_report_descriptor[] = { |
| 0x05, 0x01, /* Usage Page (Generic Desktop) */ |
| 0x09, 0x01, /* Usage (Pointer) */ |
| 0xa1, 0x01, /* Collection (Application) */ |
| 0x09, 0x01, /* Usage (Pointer) */ |
| 0xa1, 0x00, /* Collection (Physical) */ |
| 0x05, 0x09, /* Usage Page (Button) */ |
| 0x19, 0x01, /* Usage Minimum (1) */ |
| 0x29, 0x03, /* Usage Maximum (3) */ |
| 0x15, 0x00, /* Logical Minimum (0) */ |
| 0x25, 0x01, /* Logical Maximum (1) */ |
| 0x95, 0x03, /* Report Count (3) */ |
| 0x75, 0x01, /* Report Size (1) */ |
| 0x81, 0x02, /* Input (Data, Variable, Absolute) */ |
| 0x95, 0x01, /* Report Count (1) */ |
| 0x75, 0x05, /* Report Size (5) */ |
| 0x81, 0x01, /* Input (Constant) */ |
| 0x05, 0x01, /* Usage Page (Generic Desktop) */ |
| 0x09, 0x30, /* Usage (X) */ |
| 0x09, 0x31, /* Usage (Y) */ |
| 0x15, 0x00, /* Logical Minimum (0) */ |
| 0x26, 0xff, 0x7f, /* Logical Maximum (0x7fff) */ |
| 0x35, 0x00, /* Physical Minimum (0) */ |
| 0x46, 0xff, 0x7f, /* Physical Maximum (0x7fff) */ |
| 0x75, 0x10, /* Report Size (16) */ |
| 0x95, 0x02, /* Report Count (2) */ |
| 0x81, 0x02, /* Input (Data, Variable, Absolute) */ |
| 0x05, 0x01, /* Usage Page (Generic Desktop) */ |
| 0x09, 0x38, /* Usage (Wheel) */ |
| 0x15, 0x81, /* Logical Minimum (-0x7f) */ |
| 0x25, 0x7f, /* Logical Maximum (0x7f) */ |
| 0x35, 0x00, /* Physical Minimum (same as logical) */ |
| 0x45, 0x00, /* Physical Maximum (same as logical) */ |
| 0x75, 0x08, /* Report Size (8) */ |
| 0x95, 0x01, /* Report Count (1) */ |
| 0x81, 0x06, /* Input (Data, Variable, Relative) */ |
| 0xc0, /* End Collection */ |
| 0xc0, /* End Collection */ |
| }; |
| |
| static const uint8_t qemu_keyboard_hid_report_descriptor[] = { |
| 0x05, 0x01, /* Usage Page (Generic Desktop) */ |
| 0x09, 0x06, /* Usage (Keyboard) */ |
| 0xa1, 0x01, /* Collection (Application) */ |
| 0x75, 0x01, /* Report Size (1) */ |
| 0x95, 0x08, /* Report Count (8) */ |
| 0x05, 0x07, /* Usage Page (Key Codes) */ |
| 0x19, 0xe0, /* Usage Minimum (224) */ |
| 0x29, 0xe7, /* Usage Maximum (231) */ |
| 0x15, 0x00, /* Logical Minimum (0) */ |
| 0x25, 0x01, /* Logical Maximum (1) */ |
| 0x81, 0x02, /* Input (Data, Variable, Absolute) */ |
| 0x95, 0x01, /* Report Count (1) */ |
| 0x75, 0x08, /* Report Size (8) */ |
| 0x81, 0x01, /* Input (Constant) */ |
| 0x95, 0x05, /* Report Count (5) */ |
| 0x75, 0x01, /* Report Size (1) */ |
| 0x05, 0x08, /* Usage Page (LEDs) */ |
| 0x19, 0x01, /* Usage Minimum (1) */ |
| 0x29, 0x05, /* Usage Maximum (5) */ |
| 0x91, 0x02, /* Output (Data, Variable, Absolute) */ |
| 0x95, 0x01, /* Report Count (1) */ |
| 0x75, 0x03, /* Report Size (3) */ |
| 0x91, 0x01, /* Output (Constant) */ |
| 0x95, 0x06, /* Report Count (6) */ |
| 0x75, 0x08, /* Report Size (8) */ |
| 0x15, 0x00, /* Logical Minimum (0) */ |
| 0x25, 0xff, /* Logical Maximum (255) */ |
| 0x05, 0x07, /* Usage Page (Key Codes) */ |
| 0x19, 0x00, /* Usage Minimum (0) */ |
| 0x29, 0xff, /* Usage Maximum (255) */ |
| 0x81, 0x00, /* Input (Data, Array) */ |
| 0xc0, /* End Collection */ |
| }; |
| |
| #define USB_HID_USAGE_ERROR_ROLLOVER 0x01 |
| #define USB_HID_USAGE_POSTFAIL 0x02 |
| #define USB_HID_USAGE_ERROR_UNDEFINED 0x03 |
| |
| /* Indices are QEMU keycodes, values are from HID Usage Table. Indices |
| * above 0x80 are for keys that come after 0xe0 or 0xe1+0x1d or 0xe1+0x9d. */ |
| static const uint8_t usb_hid_usage_keys[0x100] = { |
| 0x00, 0x29, 0x1e, 0x1f, 0x20, 0x21, 0x22, 0x23, |
| 0x24, 0x25, 0x26, 0x27, 0x2d, 0x2e, 0x2a, 0x2b, |
| 0x14, 0x1a, 0x08, 0x15, 0x17, 0x1c, 0x18, 0x0c, |
| 0x12, 0x13, 0x2f, 0x30, 0x28, 0xe0, 0x04, 0x16, |
| 0x07, 0x09, 0x0a, 0x0b, 0x0d, 0x0e, 0x0f, 0x33, |
| 0x34, 0x35, 0xe1, 0x31, 0x1d, 0x1b, 0x06, 0x19, |
| 0x05, 0x11, 0x10, 0x36, 0x37, 0x38, 0xe5, 0x55, |
| 0xe2, 0x2c, 0x32, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, |
| 0x3f, 0x40, 0x41, 0x42, 0x43, 0x53, 0x47, 0x5f, |
| 0x60, 0x61, 0x56, 0x5c, 0x5d, 0x5e, 0x57, 0x59, |
| 0x5a, 0x5b, 0x62, 0x63, 0x00, 0x00, 0x00, 0x44, |
| 0x45, 0x68, 0x69, 0x6a, 0x6b, 0x6c, 0x6d, 0x6e, |
| 0xe8, 0xe9, 0x71, 0x72, 0x73, 0x00, 0x00, 0x00, |
| 0x00, 0x00, 0x00, 0x85, 0x00, 0x00, 0x00, 0x00, |
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 0x00, 0x00, 0x00, 0x00, 0x00, 0xe3, 0xe7, 0x65, |
| |
| 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, 0x58, 0xe4, 0x00, 0x00, |
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x54, 0x00, 0x46, |
| 0xe6, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 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) { |
| s->eh_entry = qemu_add_mouse_event_handler(usb_mouse_event, hs, |
| 0, "QEMU USB Mouse"); |
| 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) { |
| s->eh_entry = qemu_add_mouse_event_handler(usb_tablet_event, hs, |
| 1, "QEMU USB Tablet"); |
| 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) { |
| /* 0x01: Num Lock LED |
| * 0x02: Caps Lock LED |
| * 0x04: Scroll Lock LED |
| * 0x08: Compose LED |
| * 0x10: Kana LED */ |
| s->leds = buf[0]; |
| } |
| 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 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.devname); |
| 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); |
| 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) { |
| /* TODO: Implement finite idle delays. */ |
| if (!(s->changed || s->idle)) |
| return USB_RET_NAK; |
| 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 */ |
| qemu_free(s); |
| } |
| |
| 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; |
| /* 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[] = { |
| { |
| .qdev.name = "QEMU USB Tablet", |
| .qdev.alias = "usb-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, |
| },{ |
| .qdev.name = "QEMU USB Mouse", |
| .qdev.alias = "usb-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, |
| },{ |
| .qdev.name = "QEMU USB Keyboard", |
| .qdev.alias = "usb-kbd", |
| .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) |
