From 8b23a6c7e1aee255004dd19098d4c2462b61b849 Mon Sep 17 00:00:00 2001 From: The Android Open Source Project Date: Tue, 3 Mar 2009 19:30:32 -0800 Subject: auto import from //depot/cupcake/@135843 --- hw/usb-hid.c | 896 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 896 insertions(+) create mode 100644 hw/usb-hid.c (limited to 'hw/usb-hid.c') diff --git a/hw/usb-hid.c b/hw/usb-hid.c new file mode 100644 index 0000000..406c9ab --- /dev/null +++ b/hw/usb-hid.c @@ -0,0 +1,896 @@ +/* + * 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; + int idle; + int changed; +} 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_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; + hs->changed = 1; +} + +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; + hs->changed = 1; +} + +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); + + hs->changed = 1; + + 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; + return; + } + } else { + for (i = s->keys - 1; i >= 0; i --) + if (s->key[i] == hid_code) + return; + if (s->keys < sizeof(s->key)) + s->key[s->keys ++] = hid_code; + } +} + +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 = value; + 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); +} + +USBDevice *usb_tablet_init(void) +{ + USBHIDState *s; + + s = qemu_mallocz(sizeof(USBHIDState)); + if (!s) + return NULL; + s->dev.speed = USB_SPEED_FULL; + s->dev.handle_packet = usb_generic_handle_packet; + + s->dev.handle_reset = usb_mouse_handle_reset; + s->dev.handle_control = usb_hid_handle_control; + s->dev.handle_data = usb_hid_handle_data; + s->dev.handle_destroy = usb_hid_handle_destroy; + s->kind = USB_TABLET; + /* Force poll routine to be run and grab input the first time. */ + s->changed = 1; + + pstrcpy(s->dev.devname, sizeof(s->dev.devname), "QEMU USB Tablet"); + + return (USBDevice *)s; +} + +USBDevice *usb_mouse_init(void) +{ + USBHIDState *s; + + s = qemu_mallocz(sizeof(USBHIDState)); + if (!s) + return NULL; + s->dev.speed = USB_SPEED_FULL; + s->dev.handle_packet = usb_generic_handle_packet; + + s->dev.handle_reset = usb_mouse_handle_reset; + s->dev.handle_control = usb_hid_handle_control; + s->dev.handle_data = usb_hid_handle_data; + s->dev.handle_destroy = usb_hid_handle_destroy; + s->kind = USB_MOUSE; + /* Force poll routine to be run and grab input the first time. */ + s->changed = 1; + + pstrcpy(s->dev.devname, sizeof(s->dev.devname), "QEMU USB Mouse"); + + return (USBDevice *)s; +} + +USBDevice *usb_keyboard_init(void) +{ + USBHIDState *s; + + s = qemu_mallocz(sizeof(USBHIDState)); + if (!s) + return NULL; + s->dev.speed = USB_SPEED_FULL; + s->dev.handle_packet = usb_generic_handle_packet; + + s->dev.handle_reset = usb_keyboard_handle_reset; + s->dev.handle_control = usb_hid_handle_control; + s->dev.handle_data = usb_hid_handle_data; + s->dev.handle_destroy = usb_hid_handle_destroy; + s->kind = USB_KEYBOARD; + + pstrcpy(s->dev.devname, sizeof(s->dev.devname), "QEMU USB Keyboard"); + + return (USBDevice *) s; +} -- cgit v1.1