/* * Copyright © 2004-2008 Red Hat, Inc. * * Permission to use, copy, modify, distribute, and sell this software * and its documentation for any purpose is hereby granted without * fee, provided that the above copyright notice appear in all copies * and that both that copyright notice and this permission notice * appear in supporting documentation, and that the name of Red Hat * not be used in advertising or publicity pertaining to distribution * of the software without specific, written prior permission. Red * Hat makes no representations about the suitability of this software * for any purpose. It is provided "as is" without express or implied * warranty. * * THE AUTHORS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN * NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY SPECIAL, INDIRECT OR * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS * OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, * NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. * * Authors: * Kristian Høgsberg (krh@redhat.com) * Adam Jackson (ajax@redhat.com) * Peter Hutterer (peter.hutterer@redhat.com) */ #ifdef HAVE_CONFIG_H #include "config.h" #endif #include #include #include #include #include #include #include #include #include #ifdef XKB #include #endif #include "evdev.h" #ifdef HAVE_PROPERTIES #include #include #endif #ifndef MAXDEVICES #include /* for MAX_DEVICES */ #define MAXDEVICES MAX_DEVICES #endif /* 2.4 compatibility */ #ifndef EVIOCGRAB #define EVIOCGRAB _IOW('E', 0x90, int) #endif #ifndef BTN_TASK #define BTN_TASK 0x117 #endif #ifndef EV_SYN #define EV_SYN EV_RST #endif /* end compat */ #define ArrayLength(a) (sizeof(a) / (sizeof((a)[0]))) /* evdev flags */ #define EVDEV_KEYBOARD_EVENTS (1 << 0) #define EVDEV_BUTTON_EVENTS (1 << 1) #define EVDEV_RELATIVE_EVENTS (1 << 2) #define EVDEV_ABSOLUTE_EVENTS (1 << 3) #define EVDEV_TOUCHPAD (1 << 4) #define EVDEV_INITIALIZED (1 << 5) /* WheelInit etc. called already? */ #define EVDEV_TOUCHSCREEN (1 << 6) #define EVDEV_CALIBRATED (1 << 7) /* run-time calibrated? */ #define MIN_KEYCODE 8 #define GLYPHS_PER_KEY 2 #define AltMask Mod1Mask #define NumLockMask Mod2Mask #define AltLangMask Mod3Mask #define KanaMask Mod4Mask #define ScrollLockMask Mod5Mask #define CAPSFLAG 1 #define NUMFLAG 2 #define SCROLLFLAG 4 #define MODEFLAG 8 #define COMPOSEFLAG 16 static const char *evdevDefaults[] = { "XkbRules", "evdev", "XkbModel", "evdev", "XkbLayout", "us", NULL }; static int EvdevOn(DeviceIntPtr); static int EvdevCacheCompare(InputInfoPtr pInfo, BOOL compare); #ifdef HAVE_PROPERTIES static void EvdevInitProperty(DeviceIntPtr dev); static int EvdevSetProperty(DeviceIntPtr dev, Atom atom, XIPropertyValuePtr val, BOOL checkonly); static Atom prop_invert = 0; static Atom prop_reopen = 0; static Atom prop_calibration = 0; static Atom prop_swap = 0; #endif /* All devices the evdev driver has allocated and knows about. * MAXDEVICES is safe as null-terminated array, as two devices (VCP and VCK) * cannot be used by evdev, leaving us with a space of 2 at the end. */ static EvdevPtr evdev_devices[MAXDEVICES] = {0}; static int EvdevGetMajorMinor(InputInfoPtr pInfo) { struct stat st; if (fstat(pInfo->fd, &st) == -1) { xf86Msg(X_ERROR, "%s: stat failed (%s). cannot check for duplicates.\n", pInfo->name, strerror(errno)); return 0; } return st.st_rdev; } /** * Return TRUE if one of the devices we know about has the same min/maj * number. */ static BOOL EvdevIsDuplicate(InputInfoPtr pInfo) { EvdevPtr pEvdev = pInfo->private; EvdevPtr* dev = evdev_devices; if (pEvdev->min_maj) { while(*dev) { if ((*dev) != pEvdev && (*dev)->min_maj && (*dev)->min_maj == pEvdev->min_maj) return TRUE; dev++; } } return FALSE; } /** * Add to internal device list. */ static void EvdevAddDevice(InputInfoPtr pInfo) { EvdevPtr pEvdev = pInfo->private; EvdevPtr* dev = evdev_devices; while(*dev) dev++; *dev = pEvdev; } /** * Remove from internal device list. */ static void EvdevRemoveDevice(InputInfoPtr pInfo) { EvdevPtr pEvdev = pInfo->private; EvdevPtr *dev = evdev_devices; int count = 0; while(*dev) { count++; if (*dev == pEvdev) { memmove(dev, dev + 1, sizeof(evdev_devices) - (count * sizeof(EvdevPtr))); break; } dev++; } } static void SetXkbOption(InputInfoPtr pInfo, char *name, char **option) { char *s; if ((s = xf86SetStrOption(pInfo->options, name, NULL))) { if (!s[0]) { xfree(s); *option = NULL; } else { *option = s; xf86Msg(X_CONFIG, "%s: %s: \"%s\"\n", pInfo->name, name, s); } } } static int wheel_up_button = 4; static int wheel_down_button = 5; static int wheel_left_button = 6; static int wheel_right_button = 7; static void PostButtonClicks(InputInfoPtr pInfo, int button, int count) { int i; for (i = 0; i < count; i++) { xf86PostButtonEvent(pInfo->dev, 0, button, 1, 0, 0); xf86PostButtonEvent(pInfo->dev, 0, button, 0, 0, 0); } } static void PostKbdEvent(InputInfoPtr pInfo, struct input_event *ev, int value) { int code = ev->code + MIN_KEYCODE; static char warned[KEY_CNT]; /* Filter all repeated events from device. We'll do softrepeat in the server */ if (value == 2) return; if (code > 255 && ev->code <= KEY_MAX) { if (!warned[ev->code]) xf86Msg(X_WARNING, "%s: unable to handle keycode %d\n", pInfo->name, ev->code); warned[ev->code] = 1; } /* The X server can't handle keycodes > 255 anyway, just drop them. */ if (code > 255) return; xf86PostKeyboardEvent(pInfo->dev, code, value); } /** * Coming back from resume may leave us with a file descriptor that can be * opened but fails on the first read (ENODEV). * In this case, try to open the device until it becomes available or until * the predefined count expires. */ static CARD32 EvdevReopenTimer(OsTimerPtr timer, CARD32 time, pointer arg) { InputInfoPtr pInfo = (InputInfoPtr)arg; EvdevPtr pEvdev = pInfo->private; do { pInfo->fd = open(pEvdev->device, O_RDWR, 0); } while (pInfo->fd < 0 && errno == EINTR); if (pInfo->fd != -1) { if (1) /*(EvdevCacheCompare(pInfo, TRUE) == Success)*/ { xf86Msg(X_INFO, "%s: Device reopened after %d attempts.\n", pInfo->name, pEvdev->reopen_attempts - pEvdev->reopen_left + 1); EvdevOn(pInfo->dev); } else { xf86Msg(X_ERROR, "%s: Device has changed - disabling.\n", pInfo->name); DisableDevice(pInfo->dev); close(pInfo->fd); pInfo->fd = -1; pEvdev->min_maj = 0; /* don't hog the device */ } pEvdev->reopen_left = 0; return 0; } pEvdev->reopen_left--; if (!pEvdev->reopen_left) { xf86Msg(X_ERROR, "%s: Failed to reopen device after %d attempts.\n", pInfo->name, pEvdev->reopen_attempts); DisableDevice(pInfo->dev); pEvdev->min_maj = 0; /* don't hog the device */ return 0; } return 100; /* come back in 100 ms */ } static void EvdevReadInput(InputInfoPtr pInfo) { struct input_event ev; int len, value; int dx, dy, tmp; unsigned int abs; unsigned int button; EvdevPtr pEvdev = pInfo->private; dx = 0; dy = 0; tmp = 0; abs = 0; while (xf86WaitForInput (pInfo->fd, 0) > 0) { len = read(pInfo->fd, &ev, sizeof ev); if (len != sizeof ev) { /* The kernel promises that we always only read a complete * event, so len != sizeof ev is an error. */ xf86Msg(X_ERROR, "%s: Read error: %s\n", pInfo->name, strerror(errno)); if (errno == ENODEV) /* May happen after resume */ { xf86RemoveEnabledDevice(pInfo); close(pInfo->fd); pInfo->fd = -1; pEvdev->reopen_left = pEvdev->reopen_attempts; pEvdev->reopen_timer = TimerSet(NULL, 0, 100, EvdevReopenTimer, pInfo); } break; } /* Get the signed value, earlier kernels had this as unsigned */ value = ev.value; switch (ev.type) { case EV_REL: /* Handle mouse wheel emulation */ if (EvdevWheelEmuFilterMotion(pInfo, &ev)) break; switch (ev.code) { case REL_X: dx += value; break; case REL_Y: dy += value; break; case REL_WHEEL: if (value > 0) PostButtonClicks(pInfo, wheel_up_button, value); else if (value < 0) PostButtonClicks(pInfo, wheel_down_button, -value); break; case REL_DIAL: case REL_HWHEEL: if (value > 0) PostButtonClicks(pInfo, wheel_right_button, value); else if (value < 0) PostButtonClicks(pInfo, wheel_left_button, -value); break; } break; case EV_ABS: switch (ev.code) { case ABS_X: pEvdev->abs_x = value; abs = 1; break; case ABS_Y: pEvdev->abs_y = value; abs = 1; break; } break; case EV_KEY: /* don't repeat mouse buttons */ if (ev.code >= BTN_MOUSE && ev.code < KEY_OK) if (value == 2) break; switch (ev.code) { case BTN_TOUCH: case BTN_TOOL_PEN: case BTN_TOOL_RUBBER: case BTN_TOOL_BRUSH: case BTN_TOOL_PENCIL: case BTN_TOOL_AIRBRUSH: case BTN_TOOL_FINGER: case BTN_TOOL_MOUSE: case BTN_TOOL_LENS: pEvdev->tool = value ? ev.code : 0; if (!(pEvdev->flags & EVDEV_TOUCHSCREEN)) break; /* Treat BTN_TOUCH from devices that only have BTN_TOUCH as * BTN_LEFT. */ ev.code = BTN_LEFT; /* Intentional fallthrough! */ default: button = EvdevUtilButtonEventToButtonNumber(pEvdev, ev.code); /* Handle drag lock */ if (EvdevDragLockFilterEvent(pInfo, button, value)) break; if (EvdevWheelEmuFilterButton(pInfo, button, value)) break; if (EvdevMBEmuFilterEvent(pInfo, button, value)) break; if (button) xf86PostButtonEvent(pInfo->dev, 0, button, value, 0, 0); else PostKbdEvent(pInfo, &ev, value); break; } break; case EV_SYN: break; } } /* convert to relative motion for touchpads */ if (pEvdev->flags & EVDEV_TOUCHPAD) { abs = 0; if (pEvdev->tool) { /* meaning, touch is active */ if (pEvdev->old_x != -1) dx = pEvdev->abs_x - pEvdev->old_x; if (pEvdev->old_y != -1) dy = pEvdev->abs_y - pEvdev->old_y; pEvdev->old_x = pEvdev->abs_x; pEvdev->old_y = pEvdev->abs_y; } else { pEvdev->old_x = pEvdev->old_y = -1; } } if (dx != 0 || dy != 0) { if (pEvdev->swap_axes) { tmp = dx; dx = dy; dy = tmp; } if (pEvdev->invert_x) dx *= -1; if (pEvdev->invert_y) dy *= -1; xf86PostMotionEvent(pInfo->dev, FALSE, 0, 2, dx, dy); } /* * Some devices only generate valid abs coords when BTN_DIGI is * pressed. On wacom tablets, this means that the pen is in * proximity of the tablet. After the pen is removed, BTN_DIGI is * released, and a (0, 0) absolute event is generated. Checking * pEvdev->digi here, lets us ignore that event. pEvdev is * initialized to 1 so devices that doesn't use this scheme still * just works. */ if (abs && pEvdev->tool) { int abs_x, abs_y; abs_x = (pEvdev->swap_axes) ? pEvdev->abs_y : pEvdev->abs_x; abs_y = (pEvdev->swap_axes) ? pEvdev->abs_x : pEvdev->abs_y; if (pEvdev->flags & EVDEV_CALIBRATED) { abs_x = xf86ScaleAxis(abs_x, pEvdev->max_x, pEvdev->min_x, pEvdev->calibration.max_x, pEvdev->calibration.min_x); abs_y = xf86ScaleAxis(abs_y, pEvdev->max_y, pEvdev->min_y, pEvdev->calibration.max_y, pEvdev->calibration.min_y); } if (pEvdev->invert_x) abs_x = pEvdev->max_x - (abs_x - pEvdev->min_x); if (pEvdev->invert_y) abs_y = pEvdev->max_y - (abs_y - pEvdev->min_y); xf86PostMotionEvent(pInfo->dev, TRUE, 0, 2, abs_x, abs_y); } } #define TestBit(bit, array) (array[(bit) / LONG_BITS]) & (1L << ((bit) % LONG_BITS)) static void EvdevPtrCtrlProc(DeviceIntPtr device, PtrCtrl *ctrl) { /* Nothing to do, dix handles all settings */ } static KeySym map[] = { /* 0x00 */ NoSymbol, NoSymbol, /* 0x01 */ XK_Escape, NoSymbol, /* 0x02 */ XK_1, XK_exclam, /* 0x03 */ XK_2, XK_at, /* 0x04 */ XK_3, XK_numbersign, /* 0x05 */ XK_4, XK_dollar, /* 0x06 */ XK_5, XK_percent, /* 0x07 */ XK_6, XK_asciicircum, /* 0x08 */ XK_7, XK_ampersand, /* 0x09 */ XK_8, XK_asterisk, /* 0x0a */ XK_9, XK_parenleft, /* 0x0b */ XK_0, XK_parenright, /* 0x0c */ XK_minus, XK_underscore, /* 0x0d */ XK_equal, XK_plus, /* 0x0e */ XK_BackSpace, NoSymbol, /* 0x0f */ XK_Tab, XK_ISO_Left_Tab, /* 0x10 */ XK_Q, NoSymbol, /* 0x11 */ XK_W, NoSymbol, /* 0x12 */ XK_E, NoSymbol, /* 0x13 */ XK_R, NoSymbol, /* 0x14 */ XK_T, NoSymbol, /* 0x15 */ XK_Y, NoSymbol, /* 0x16 */ XK_U, NoSymbol, /* 0x17 */ XK_I, NoSymbol, /* 0x18 */ XK_O, NoSymbol, /* 0x19 */ XK_P, NoSymbol, /* 0x1a */ XK_bracketleft, XK_braceleft, /* 0x1b */ XK_bracketright,XK_braceright, /* 0x1c */ XK_Return, NoSymbol, /* 0x1d */ XK_Control_L, NoSymbol, /* 0x1e */ XK_A, NoSymbol, /* 0x1f */ XK_S, NoSymbol, /* 0x20 */ XK_D, NoSymbol, /* 0x21 */ XK_F, NoSymbol, /* 0x22 */ XK_G, NoSymbol, /* 0x23 */ XK_H, NoSymbol, /* 0x24 */ XK_J, NoSymbol, /* 0x25 */ XK_K, NoSymbol, /* 0x26 */ XK_L, NoSymbol, /* 0x27 */ XK_semicolon, XK_colon, /* 0x28 */ XK_quoteright, XK_quotedbl, /* 0x29 */ XK_quoteleft, XK_asciitilde, /* 0x2a */ XK_Shift_L, NoSymbol, /* 0x2b */ XK_backslash, XK_bar, /* 0x2c */ XK_Z, NoSymbol, /* 0x2d */ XK_X, NoSymbol, /* 0x2e */ XK_C, NoSymbol, /* 0x2f */ XK_V, NoSymbol, /* 0x30 */ XK_B, NoSymbol, /* 0x31 */ XK_N, NoSymbol, /* 0x32 */ XK_M, NoSymbol, /* 0x33 */ XK_comma, XK_less, /* 0x34 */ XK_period, XK_greater, /* 0x35 */ XK_slash, XK_question, /* 0x36 */ XK_Shift_R, NoSymbol, /* 0x37 */ XK_KP_Multiply, NoSymbol, /* 0x38 */ XK_Alt_L, XK_Meta_L, /* 0x39 */ XK_space, NoSymbol, /* 0x3a */ XK_Caps_Lock, NoSymbol, /* 0x3b */ XK_F1, NoSymbol, /* 0x3c */ XK_F2, NoSymbol, /* 0x3d */ XK_F3, NoSymbol, /* 0x3e */ XK_F4, NoSymbol, /* 0x3f */ XK_F5, NoSymbol, /* 0x40 */ XK_F6, NoSymbol, /* 0x41 */ XK_F7, NoSymbol, /* 0x42 */ XK_F8, NoSymbol, /* 0x43 */ XK_F9, NoSymbol, /* 0x44 */ XK_F10, NoSymbol, /* 0x45 */ XK_Num_Lock, NoSymbol, /* 0x46 */ XK_Scroll_Lock, NoSymbol, /* These KP keys should have the KP_7 keysyms in the numlock * modifer... ? */ /* 0x47 */ XK_KP_Home, XK_KP_7, /* 0x48 */ XK_KP_Up, XK_KP_8, /* 0x49 */ XK_KP_Prior, XK_KP_9, /* 0x4a */ XK_KP_Subtract, NoSymbol, /* 0x4b */ XK_KP_Left, XK_KP_4, /* 0x4c */ XK_KP_Begin, XK_KP_5, /* 0x4d */ XK_KP_Right, XK_KP_6, /* 0x4e */ XK_KP_Add, NoSymbol, /* 0x4f */ XK_KP_End, XK_KP_1, /* 0x50 */ XK_KP_Down, XK_KP_2, /* 0x51 */ XK_KP_Next, XK_KP_3, /* 0x52 */ XK_KP_Insert, XK_KP_0, /* 0x53 */ XK_KP_Delete, XK_KP_Decimal, /* 0x54 */ NoSymbol, NoSymbol, /* 0x55 */ XK_F13, NoSymbol, /* 0x56 */ XK_less, XK_greater, /* 0x57 */ XK_F11, NoSymbol, /* 0x58 */ XK_F12, NoSymbol, /* 0x59 */ XK_F14, NoSymbol, /* 0x5a */ XK_F15, NoSymbol, /* 0x5b */ XK_F16, NoSymbol, /* 0x5c */ XK_F17, NoSymbol, /* 0x5d */ XK_F18, NoSymbol, /* 0x5e */ XK_F19, NoSymbol, /* 0x5f */ XK_F20, NoSymbol, /* 0x60 */ XK_KP_Enter, NoSymbol, /* 0x61 */ XK_Control_R, NoSymbol, /* 0x62 */ XK_KP_Divide, NoSymbol, /* 0x63 */ XK_Print, XK_Sys_Req, /* 0x64 */ XK_Alt_R, XK_Meta_R, /* 0x65 */ NoSymbol, NoSymbol, /* KEY_LINEFEED */ /* 0x66 */ XK_Home, NoSymbol, /* 0x67 */ XK_Up, NoSymbol, /* 0x68 */ XK_Prior, NoSymbol, /* 0x69 */ XK_Left, NoSymbol, /* 0x6a */ XK_Right, NoSymbol, /* 0x6b */ XK_End, NoSymbol, /* 0x6c */ XK_Down, NoSymbol, /* 0x6d */ XK_Next, NoSymbol, /* 0x6e */ XK_Insert, NoSymbol, /* 0x6f */ XK_Delete, NoSymbol, /* 0x70 */ NoSymbol, NoSymbol, /* KEY_MACRO */ /* 0x71 */ NoSymbol, NoSymbol, /* 0x72 */ NoSymbol, NoSymbol, /* 0x73 */ NoSymbol, NoSymbol, /* 0x74 */ NoSymbol, NoSymbol, /* 0x75 */ XK_KP_Equal, NoSymbol, /* 0x76 */ NoSymbol, NoSymbol, /* 0x77 */ NoSymbol, NoSymbol, /* 0x78 */ XK_F21, NoSymbol, /* 0x79 */ XK_F22, NoSymbol, /* 0x7a */ XK_F23, NoSymbol, /* 0x7b */ XK_F24, NoSymbol, /* 0x7c */ XK_KP_Separator, NoSymbol, /* 0x7d */ XK_Meta_L, NoSymbol, /* 0x7e */ XK_Meta_R, NoSymbol, /* 0x7f */ XK_Multi_key, NoSymbol, /* 0x80 */ NoSymbol, NoSymbol, /* 0x81 */ NoSymbol, NoSymbol, /* 0x82 */ NoSymbol, NoSymbol, /* 0x83 */ NoSymbol, NoSymbol, /* 0x84 */ NoSymbol, NoSymbol, /* 0x85 */ NoSymbol, NoSymbol, /* 0x86 */ NoSymbol, NoSymbol, /* 0x87 */ NoSymbol, NoSymbol, /* 0x88 */ NoSymbol, NoSymbol, /* 0x89 */ NoSymbol, NoSymbol, /* 0x8a */ NoSymbol, NoSymbol, /* 0x8b */ NoSymbol, NoSymbol, /* 0x8c */ NoSymbol, NoSymbol, /* 0x8d */ NoSymbol, NoSymbol, /* 0x8e */ NoSymbol, NoSymbol, /* 0x8f */ NoSymbol, NoSymbol, /* 0x90 */ NoSymbol, NoSymbol, /* 0x91 */ NoSymbol, NoSymbol, /* 0x92 */ NoSymbol, NoSymbol, /* 0x93 */ NoSymbol, NoSymbol, /* 0x94 */ NoSymbol, NoSymbol, /* 0x95 */ NoSymbol, NoSymbol, /* 0x96 */ NoSymbol, NoSymbol, /* 0x97 */ NoSymbol, NoSymbol, /* 0x98 */ NoSymbol, NoSymbol, /* 0x99 */ NoSymbol, NoSymbol, /* 0x9a */ NoSymbol, NoSymbol, /* 0x9b */ NoSymbol, NoSymbol, /* 0x9c */ NoSymbol, NoSymbol, /* 0x9d */ NoSymbol, NoSymbol, /* 0x9e */ NoSymbol, NoSymbol, /* 0x9f */ NoSymbol, NoSymbol, /* 0xa0 */ NoSymbol, NoSymbol, /* 0xa1 */ NoSymbol, NoSymbol, /* 0xa2 */ NoSymbol, NoSymbol, /* 0xa3 */ NoSymbol, NoSymbol, /* 0xa4 */ NoSymbol, NoSymbol, /* 0xa5 */ NoSymbol, NoSymbol, /* 0xa6 */ NoSymbol, NoSymbol, /* 0xa7 */ NoSymbol, NoSymbol, /* 0xa8 */ NoSymbol, NoSymbol, /* 0xa9 */ NoSymbol, NoSymbol, /* 0xaa */ NoSymbol, NoSymbol, /* 0xab */ NoSymbol, NoSymbol, /* 0xac */ NoSymbol, NoSymbol, /* 0xad */ NoSymbol, NoSymbol, /* 0xae */ NoSymbol, NoSymbol, /* 0xaf */ NoSymbol, NoSymbol, /* 0xb0 */ NoSymbol, NoSymbol, /* 0xb1 */ NoSymbol, NoSymbol, /* 0xb2 */ NoSymbol, NoSymbol, /* 0xb3 */ NoSymbol, NoSymbol, /* 0xb4 */ NoSymbol, NoSymbol, /* 0xb5 */ NoSymbol, NoSymbol, /* 0xb6 */ NoSymbol, NoSymbol, /* 0xb7 */ NoSymbol, NoSymbol, /* 0xb8 */ NoSymbol, NoSymbol, /* 0xb9 */ NoSymbol, NoSymbol, /* 0xba */ NoSymbol, NoSymbol, /* 0xbb */ NoSymbol, NoSymbol, /* 0xbc */ NoSymbol, NoSymbol, /* 0xbd */ NoSymbol, NoSymbol, /* 0xbe */ NoSymbol, NoSymbol, /* 0xbf */ NoSymbol, NoSymbol, /* 0xc0 */ NoSymbol, NoSymbol, /* 0xc1 */ NoSymbol, NoSymbol, /* 0xc2 */ NoSymbol, NoSymbol, /* 0xc3 */ NoSymbol, NoSymbol, /* 0xc4 */ NoSymbol, NoSymbol, /* 0xc5 */ NoSymbol, NoSymbol, /* 0xc6 */ NoSymbol, NoSymbol, /* 0xc7 */ NoSymbol, NoSymbol, /* 0xc8 */ NoSymbol, NoSymbol, /* 0xc9 */ NoSymbol, NoSymbol, /* 0xca */ NoSymbol, NoSymbol, /* 0xcb */ NoSymbol, NoSymbol, /* 0xcc */ NoSymbol, NoSymbol, /* 0xcd */ NoSymbol, NoSymbol, /* 0xce */ NoSymbol, NoSymbol, /* 0xcf */ NoSymbol, NoSymbol, /* 0xd0 */ NoSymbol, NoSymbol, /* 0xd1 */ NoSymbol, NoSymbol, /* 0xd2 */ NoSymbol, NoSymbol, /* 0xd3 */ NoSymbol, NoSymbol, /* 0xd4 */ NoSymbol, NoSymbol, /* 0xd5 */ NoSymbol, NoSymbol, /* 0xd6 */ NoSymbol, NoSymbol, /* 0xd7 */ NoSymbol, NoSymbol, /* 0xd8 */ NoSymbol, NoSymbol, /* 0xd9 */ NoSymbol, NoSymbol, /* 0xda */ NoSymbol, NoSymbol, /* 0xdb */ NoSymbol, NoSymbol, /* 0xdc */ NoSymbol, NoSymbol, /* 0xdd */ NoSymbol, NoSymbol, /* 0xde */ NoSymbol, NoSymbol, /* 0xdf */ NoSymbol, NoSymbol, /* 0xe0 */ NoSymbol, NoSymbol, /* 0xe1 */ NoSymbol, NoSymbol, /* 0xe2 */ NoSymbol, NoSymbol, /* 0xe3 */ NoSymbol, NoSymbol, /* 0xe4 */ NoSymbol, NoSymbol, /* 0xe5 */ NoSymbol, NoSymbol, /* 0xe6 */ NoSymbol, NoSymbol, /* 0xe7 */ NoSymbol, NoSymbol, /* 0xe8 */ NoSymbol, NoSymbol, /* 0xe9 */ NoSymbol, NoSymbol, /* 0xea */ NoSymbol, NoSymbol, /* 0xeb */ NoSymbol, NoSymbol, /* 0xec */ NoSymbol, NoSymbol, /* 0xed */ NoSymbol, NoSymbol, /* 0xee */ NoSymbol, NoSymbol, /* 0xef */ NoSymbol, NoSymbol, /* 0xf0 */ NoSymbol, NoSymbol, /* 0xf1 */ NoSymbol, NoSymbol, /* 0xf2 */ NoSymbol, NoSymbol, /* 0xf3 */ NoSymbol, NoSymbol, /* 0xf4 */ NoSymbol, NoSymbol, /* 0xf5 */ NoSymbol, NoSymbol, /* 0xf6 */ NoSymbol, NoSymbol, /* 0xf7 */ NoSymbol, NoSymbol, }; static void EvdevKbdCtrl(DeviceIntPtr device, KeybdCtrl *ctrl) { static struct { int xbit, code; } bits[] = { { CAPSFLAG, LED_CAPSL }, { NUMFLAG, LED_NUML }, { SCROLLFLAG, LED_SCROLLL }, { MODEFLAG, LED_KANA }, { COMPOSEFLAG, LED_COMPOSE } }; InputInfoPtr pInfo; struct input_event ev[ArrayLength(bits)]; int i; memset(ev, 0, sizeof(ev)); pInfo = device->public.devicePrivate; for (i = 0; i < ArrayLength(bits); i++) { ev[i].type = EV_LED; ev[i].code = bits[i].code; ev[i].value = (ctrl->leds & bits[i].xbit) > 0; } write(pInfo->fd, ev, sizeof ev); } static int EvdevAddKeyClass(DeviceIntPtr device) { InputInfoPtr pInfo; KeySymsRec keySyms; CARD8 modMap[MAP_LENGTH]; KeySym sym; int i, j; EvdevPtr pEvdev; static struct { KeySym keysym; CARD8 mask; } modifiers[] = { { XK_Shift_L, ShiftMask }, { XK_Shift_R, ShiftMask }, { XK_Control_L, ControlMask }, { XK_Control_R, ControlMask }, { XK_Caps_Lock, LockMask }, { XK_Alt_L, AltMask }, { XK_Alt_R, AltMask }, { XK_Meta_L, Mod4Mask }, { XK_Meta_R, Mod4Mask }, { XK_Num_Lock, NumLockMask }, { XK_Scroll_Lock, ScrollLockMask }, { XK_Mode_switch, AltLangMask } }; pInfo = device->public.devicePrivate; pEvdev = pInfo->private; /* Compute the modifier map */ memset(modMap, 0, sizeof modMap); for (i = 0; i < ArrayLength(map) / GLYPHS_PER_KEY; i++) { sym = map[i * GLYPHS_PER_KEY]; for (j = 0; j < ArrayLength(modifiers); j++) { if (modifiers[j].keysym == sym) modMap[i + MIN_KEYCODE] = modifiers[j].mask; } } keySyms.map = map; keySyms.mapWidth = GLYPHS_PER_KEY; keySyms.minKeyCode = MIN_KEYCODE; keySyms.maxKeyCode = MIN_KEYCODE + ArrayLength(map) / GLYPHS_PER_KEY - 1; #ifdef XKB if (pEvdev->noXkb) #endif { xf86Msg(X_CONFIG, "XKB: disabled\n"); if (!InitKeyboardDeviceStruct((DevicePtr)device, &keySyms, modMap, NULL, EvdevKbdCtrl)) return !Success; } #ifdef XKB else { /* sorry, no rules change allowed for you */ xf86ReplaceStrOption(pInfo->options, "xkb_rules", "evdev"); SetXkbOption(pInfo, "xkb_rules", &pEvdev->xkb_rules); SetXkbOption(pInfo, "xkb_model", &pEvdev->xkb_model); if (!pEvdev->xkb_model) SetXkbOption(pInfo, "XkbModel", &pEvdev->xkb_model); SetXkbOption(pInfo, "xkb_layout", &pEvdev->xkb_layout); if (!pEvdev->xkb_layout) SetXkbOption(pInfo, "XkbLayout", &pEvdev->xkb_layout); SetXkbOption(pInfo, "xkb_variant", &pEvdev->xkb_variant); if (!pEvdev->xkb_variant) SetXkbOption(pInfo, "XkbVariant", &pEvdev->xkb_variant); SetXkbOption(pInfo, "xkb_options", &pEvdev->xkb_options); if (!pEvdev->xkb_options) SetXkbOption(pInfo, "XkbOptions", &pEvdev->xkb_options); XkbSetRulesDflts(pEvdev->xkb_rules, pEvdev->xkb_model, pEvdev->xkb_layout, pEvdev->xkb_variant, pEvdev->xkb_options); if (!XkbInitKeyboardDeviceStruct(device, &pEvdev->xkbnames, &keySyms, modMap, NULL, EvdevKbdCtrl)) return !Success; } #endif pInfo->flags |= XI86_KEYBOARD_CAPABLE; return Success; } static int EvdevAddAbsClass(DeviceIntPtr device) { InputInfoPtr pInfo; EvdevPtr pEvdev; struct input_absinfo absinfo_x, absinfo_y; pInfo = device->public.devicePrivate; pEvdev = pInfo->private; if (ioctl(pInfo->fd, EVIOCGABS(ABS_X), &absinfo_x) < 0) { xf86Msg(X_ERROR, "ioctl EVIOCGABS failed: %s\n", strerror(errno)); return !Success; } if (ioctl(pInfo->fd, EVIOCGABS(ABS_Y), &absinfo_y) < 0) { xf86Msg(X_ERROR, "ioctl EVIOCGABS failed: %s\n", strerror(errno)); return !Success; } pEvdev->min_x = absinfo_x.minimum; pEvdev->max_x = absinfo_x.maximum; pEvdev->min_y = absinfo_y.minimum; pEvdev->max_y = absinfo_y.maximum; if (!InitValuatorClassDeviceStruct(device, 2, #if GET_ABI_MAJOR(ABI_XINPUT_VERSION) < 3 GetMotionHistory, #endif GetMotionHistorySize(), Absolute)) return !Success; /* X valuator */ xf86InitValuatorAxisStruct(device, 0, pEvdev->min_x, pEvdev->max_x, 10000, 0, 10000); xf86InitValuatorDefaults(device, 0); /* Y valuator */ xf86InitValuatorAxisStruct(device, 1, pEvdev->min_y, pEvdev->max_y, 10000, 0, 10000); xf86InitValuatorDefaults(device, 1); xf86MotionHistoryAllocate(pInfo); if (!InitPtrFeedbackClassDeviceStruct(device, EvdevPtrCtrlProc)) return !Success; pInfo->flags |= XI86_POINTER_CAPABLE; return Success; } static int EvdevAddRelClass(DeviceIntPtr device) { InputInfoPtr pInfo; pInfo = device->public.devicePrivate; if (!InitValuatorClassDeviceStruct(device, 2, #if GET_ABI_MAJOR(ABI_XINPUT_VERSION) < 3 GetMotionHistory, #endif GetMotionHistorySize(), Relative)) return !Success; /* X valuator */ xf86InitValuatorAxisStruct(device, 0, -1, -1, 1, 0, 1); xf86InitValuatorDefaults(device, 0); /* Y valuator */ xf86InitValuatorAxisStruct(device, 1, -1, -1, 1, 0, 1); xf86InitValuatorDefaults(device, 1); xf86MotionHistoryAllocate(pInfo); if (!InitPtrFeedbackClassDeviceStruct(device, EvdevPtrCtrlProc)) return !Success; pInfo->flags |= XI86_POINTER_CAPABLE; xf86MotionHistoryAllocate(pInfo); return Success; } static int EvdevAddButtonClass(DeviceIntPtr device) { InputInfoPtr pInfo; EvdevPtr pEvdev; pInfo = device->public.devicePrivate; pEvdev = pInfo->private; /* FIXME: count number of actual buttons */ if (!InitButtonClassDeviceStruct(device, ArrayLength(pEvdev->btnmap), pEvdev->btnmap)) return !Success; return Success; } /** * Init the button mapping for the device. By default, this is a 1:1 mapping, * i.e. Button 1 maps to Button 1, Button 2 to 2, etc. * * If a mapping has been specified, the mapping is the default, with the * user-defined ones overwriting the defaults. * i.e. a user-defined mapping of "3 2 1" results in a mapping of 3 2 1 4 5 6 ... * * Invalid button mappings revert to the default. * * Note that index 0 is unused, button 0 does not exist. * This mapping is initialised for all devices, but only applied if the device * has buttons (in EvdevAddButtonClass). */ static void EvdevInitButtonMapping(InputInfoPtr pInfo) { int i, nbuttons = 1; char *mapping = NULL; EvdevPtr pEvdev = pInfo->private; /* Check for user-defined button mapping */ if ((mapping = xf86CheckStrOption(pInfo->options, "ButtonMapping", NULL))) { char *s = " "; int btn = 0; xf86Msg(X_CONFIG, "%s: ButtonMapping '%s'\n", pInfo->name, mapping); while (s && *s != '\0' && nbuttons < EVDEV_MAXBUTTONS) { btn = strtol(mapping, &s, 10); if (s == mapping || btn < 0 || btn > EVDEV_MAXBUTTONS) { xf86Msg(X_ERROR, "%s: ... Invalid button mapping. Using defaults\n", pInfo->name); nbuttons = 1; /* ensure defaults start at 1 */ break; } pEvdev->btnmap[nbuttons++] = btn; mapping = s; } } for (i = nbuttons; i < ArrayLength(pEvdev->btnmap); i++) pEvdev->btnmap[i] = i; } static int EvdevInit(DeviceIntPtr device) { InputInfoPtr pInfo; EvdevPtr pEvdev; pInfo = device->public.devicePrivate; pEvdev = pInfo->private; /* FIXME: This doesn't add buttons for keyboards with scrollwheels. */ if (pEvdev->flags & EVDEV_KEYBOARD_EVENTS) EvdevAddKeyClass(device); if (pEvdev->flags & EVDEV_BUTTON_EVENTS) EvdevAddButtonClass(device); /* We don't allow relative and absolute axes on the same device. Reason Reason being that some devices (MS Optical Desktop 2000) register both rel and abs axes for x/y. The abs axes register min/max, this min/max then also applies to the relative device (the mouse) and caps it at 0..255 for both axis. So unless you have a small screen, you won't be enjoying it much. FIXME: somebody volunteer to fix this. */ if (pEvdev->flags & EVDEV_RELATIVE_EVENTS) EvdevAddRelClass(device); else if (pEvdev->flags & EVDEV_ABSOLUTE_EVENTS) EvdevAddAbsClass(device); #ifdef HAVE_PROPERTIES /* We drop the return value, the only time we ever want the handlers to * unregister is when the device dies. In which case we don't have to * unregister anyway */ XIRegisterPropertyHandler(device, EvdevSetProperty, NULL, NULL); EvdevInitProperty(device); EvdevMBEmuInitProperty(device); EvdevWheelEmuInitProperty(device); EvdevDragLockInitProperty(device); #endif return Success; } /** * Init all extras (wheel emulation, etc.) and grab the device. * * Coming from a resume, the grab may fail with ENODEV. In this case, we set a * timer to wake up and try to reopen the device later. */ static int EvdevOn(DeviceIntPtr device) { InputInfoPtr pInfo; EvdevPtr pEvdev; int rc = 0; pInfo = device->public.devicePrivate; pEvdev = pInfo->private; if (pInfo->fd != -1 && pEvdev->grabDevice && (rc = ioctl(pInfo->fd, EVIOCGRAB, (void *)1))) { xf86Msg(X_WARNING, "%s: Grab failed (%s)\n", pInfo->name, strerror(errno)); /* ENODEV - device has disappeared after resume */ if (rc && errno == ENODEV) { close(pInfo->fd); pInfo->fd = -1; } } if (pInfo->fd == -1) { pEvdev->reopen_left = pEvdev->reopen_attempts; pEvdev->reopen_timer = TimerSet(NULL, 0, 100, EvdevReopenTimer, pInfo); } else { pEvdev->min_maj = EvdevGetMajorMinor(pInfo); if (EvdevIsDuplicate(pInfo)) { xf86Msg(X_WARNING, "%s: Refusing to enable duplicate device.\n", pInfo->name); return !Success; } xf86FlushInput(pInfo->fd); xf86AddEnabledDevice(pInfo); EvdevMBEmuOn(pInfo); pEvdev->flags |= EVDEV_INITIALIZED; device->public.on = TRUE; } return Success; } static int EvdevProc(DeviceIntPtr device, int what) { InputInfoPtr pInfo; EvdevPtr pEvdev; pInfo = device->public.devicePrivate; pEvdev = pInfo->private; switch (what) { case DEVICE_INIT: return EvdevInit(device); case DEVICE_ON: return EvdevOn(device); case DEVICE_OFF: if (pEvdev->flags & EVDEV_INITIALIZED) EvdevMBEmuFinalize(pInfo); if (pInfo->fd != -1) { if (pEvdev->grabDevice && ioctl(pInfo->fd, EVIOCGRAB, (void *)0)) xf86Msg(X_WARNING, "%s: Release failed (%s)\n", pInfo->name, strerror(errno)); xf86RemoveEnabledDevice(pInfo); close(pInfo->fd); pInfo->fd = -1; } pEvdev->min_maj = 0; if (pEvdev->flags & EVDEV_INITIALIZED) EvdevMBEmuFinalize(pInfo); pEvdev->flags &= ~EVDEV_INITIALIZED; device->public.on = FALSE; if (pEvdev->reopen_timer) { TimerFree(pEvdev->reopen_timer); pEvdev->reopen_timer = NULL; } break; case DEVICE_CLOSE: xf86Msg(X_INFO, "%s: Close\n", pInfo->name); if (pInfo->fd != -1) { close(pInfo->fd); pInfo->fd = -1; } EvdevRemoveDevice(pInfo); pEvdev->min_maj = 0; break; } return Success; } /** * Get as much information as we can from the fd and cache it. * If compare is True, then the information retrieved will be compared to the * one already cached. If the information does not match, then this function * returns an error. * * @return Success if the information was cached, or !Success otherwise. */ static int EvdevCacheCompare(InputInfoPtr pInfo, BOOL compare) { EvdevPtr pEvdev = pInfo->private; int i; char name[1024] = {0}; long bitmask[NLONGS(EV_CNT)] = {0}; long key_bitmask[NLONGS(KEY_CNT)] = {0}; long rel_bitmask[NLONGS(REL_CNT)] = {0}; long abs_bitmask[NLONGS(ABS_CNT)] = {0}; long led_bitmask[NLONGS(LED_CNT)] = {0}; struct input_absinfo absinfo[ABS_CNT]; if (ioctl(pInfo->fd, EVIOCGNAME(sizeof(name) - 1), name) < 0) { xf86Msg(X_ERROR, "ioctl EVIOCGNAME failed: %s\n", strerror(errno)); goto error; } if (compare && strcmp(pEvdev->name, name)) { xf86Msg(X_ERROR, "device name changed: %s != %s\n", pEvdev->name, name); goto error; } if (ioctl(pInfo->fd, EVIOCGBIT(0, sizeof(bitmask)), bitmask) < 0) { xf86Msg(X_ERROR, "ioctl EVIOCGBIT failed: %s\n", strerror(errno)); goto error; } if (compare && memcmp(pEvdev->bitmask, bitmask, sizeof(bitmask))) { xf86Msg(X_ERROR, "device bitmask has changed\n"); goto error; } if (ioctl(pInfo->fd, EVIOCGBIT(EV_REL, sizeof(rel_bitmask)), rel_bitmask) < 0) { xf86Msg(X_ERROR, "ioctl EVIOCGBIT failed: %s\n", strerror(errno)); goto error; } if (compare && memcmp(pEvdev->rel_bitmask, rel_bitmask, sizeof(rel_bitmask))) { xf86Msg(X_ERROR, "device rel_bitmask has changed\n"); goto error; } if (ioctl(pInfo->fd, EVIOCGBIT(EV_ABS, sizeof(abs_bitmask)), abs_bitmask) < 0) { xf86Msg(X_ERROR, "ioctl EVIOCGBIT failed: %s\n", strerror(errno)); goto error; } if (compare && memcmp(pEvdev->abs_bitmask, abs_bitmask, sizeof(abs_bitmask))) { xf86Msg(X_ERROR, "device abs_bitmask has changed\n"); goto error; } if (ioctl(pInfo->fd, EVIOCGBIT(EV_KEY, sizeof(key_bitmask)), key_bitmask) < 0) { xf86Msg(X_ERROR, "ioctl EVIOCGBIT failed: %s\n", strerror(errno)); goto error; } if (compare && memcmp(pEvdev->key_bitmask, key_bitmask, sizeof(key_bitmask))) { xf86Msg(X_ERROR, "device key_bitmask has changed\n"); goto error; } if (ioctl(pInfo->fd, EVIOCGBIT(EV_LED, sizeof(led_bitmask)), led_bitmask) < 0) { xf86Msg(X_ERROR, "ioctl EVIOCGBIT failed: %s\n", strerror(errno)); goto error; } if (compare && memcmp(pEvdev->led_bitmask, led_bitmask, sizeof(led_bitmask))) { xf86Msg(X_ERROR, "device led_bitmask has changed\n"); goto error; } memset(absinfo, 0, sizeof(absinfo)); for (i = ABS_X; i <= ABS_MAX; i++) { if (TestBit(i, abs_bitmask)) { if (ioctl(pInfo->fd, EVIOCGABS(i), &absinfo[i]) < 0) { xf86Msg(X_ERROR, "ioctl EVIOCGABS failed: %s\n", strerror(errno)); goto error; } absinfo[i].value = pEvdev->absinfo[i].value; } } if (compare && memcmp(pEvdev->absinfo, absinfo, sizeof(absinfo))) { xf86Msg(X_ERROR, "device absinfo has changed\n"); goto error; } /* cache info */ if (!compare) { strcpy(pEvdev->name, name); memcpy(pEvdev->bitmask, bitmask, sizeof(bitmask)); memcpy(pEvdev->key_bitmask, key_bitmask, sizeof(key_bitmask)); memcpy(pEvdev->rel_bitmask, rel_bitmask, sizeof(rel_bitmask)); memcpy(pEvdev->abs_bitmask, abs_bitmask, sizeof(abs_bitmask)); memcpy(pEvdev->led_bitmask, led_bitmask, sizeof(led_bitmask)); memcpy(pEvdev->absinfo, absinfo, sizeof(absinfo)); } return Success; error: return !Success; } static int EvdevProbe(InputInfoPtr pInfo) { long key_bitmask[NLONGS(KEY_CNT)] = {0}; long rel_bitmask[NLONGS(REL_CNT)] = {0}; long abs_bitmask[NLONGS(ABS_CNT)] = {0}; int i, has_axes, has_keys, num_buttons; int kernel24 = 0; EvdevPtr pEvdev = pInfo->private; if (pEvdev->grabDevice && ioctl(pInfo->fd, EVIOCGRAB, (void *)1)) { if (errno == EINVAL) { /* keyboards are unsafe in 2.4 */ kernel24 = 1; pEvdev->grabDevice = 0; } else { xf86Msg(X_ERROR, "Grab failed. Device already configured?\n"); return 1; } } else if (pEvdev->grabDevice) { ioctl(pInfo->fd, EVIOCGRAB, (void *)0); } if (ioctl(pInfo->fd, EVIOCGBIT(EV_REL, sizeof(rel_bitmask)), rel_bitmask) < 0) { xf86Msg(X_ERROR, "ioctl EVIOCGBIT failed: %s\n", strerror(errno)); return 1; } if (ioctl(pInfo->fd, EVIOCGBIT(EV_ABS, sizeof(abs_bitmask)), abs_bitmask) < 0) { xf86Msg(X_ERROR, "ioctl EVIOCGBIT failed: %s\n", strerror(errno)); return 1; } if (ioctl(pInfo->fd, EVIOCGBIT(EV_KEY, sizeof(key_bitmask)), key_bitmask) < 0) { xf86Msg(X_ERROR, "ioctl EVIOCGBIT failed: %s\n", strerror(errno)); return 1; } has_axes = FALSE; has_keys = FALSE; num_buttons = 0; /* count all buttons */ for (i = BTN_MISC; i < BTN_JOYSTICK; i++) { if (TestBit(i, key_bitmask)) num_buttons++; } if (num_buttons) { pEvdev->flags |= EVDEV_BUTTON_EVENTS; pEvdev->buttons = num_buttons; xf86Msg(X_INFO, "%s: Found %d mouse buttons\n", pInfo->name, num_buttons); } if (TestBit(REL_X, rel_bitmask) && TestBit(REL_Y, rel_bitmask)) { xf86Msg(X_INFO, "%s: Found x and y relative axes\n", pInfo->name); pEvdev->flags |= EVDEV_RELATIVE_EVENTS; has_axes = TRUE; } if (TestBit(ABS_X, abs_bitmask) && TestBit(ABS_Y, abs_bitmask)) { xf86Msg(X_INFO, "%s: Found x and y absolute axes\n", pInfo->name); pEvdev->flags |= EVDEV_ABSOLUTE_EVENTS; if (TestBit(BTN_TOUCH, key_bitmask)) { if (num_buttons) { xf86Msg(X_INFO, "%s: Found absolute touchpad\n", pInfo->name); pEvdev->flags |= EVDEV_TOUCHPAD; pEvdev->old_x = pEvdev->old_y = -1; } else { xf86Msg(X_INFO, "%s: Found absolute touchscreen\n", pInfo->name); pEvdev->flags |= EVDEV_TOUCHSCREEN; pEvdev->flags |= EVDEV_BUTTON_EVENTS; } } has_axes = TRUE; } for (i = 0; i < BTN_MISC; i++) if (TestBit(i, key_bitmask)) break; if (i < BTN_MISC) { xf86Msg(X_INFO, "%s: Found keys\n", pInfo->name); pEvdev->flags |= EVDEV_KEYBOARD_EVENTS; has_keys = TRUE; } if (has_axes && num_buttons) { xf86Msg(X_INFO, "%s: Configuring as mouse\n", pInfo->name); pInfo->flags |= XI86_POINTER_CAPABLE | XI86_SEND_DRAG_EVENTS | XI86_CONFIGURED; pInfo->type_name = XI_MOUSE; } if (pEvdev->flags & EVDEV_TOUCHSCREEN) { xf86Msg(X_INFO, "%s: Configuring as touchscreen\n", pInfo->name); pInfo->type_name = XI_TOUCHSCREEN; pInfo->flags |= XI86_POINTER_CAPABLE | XI86_SEND_DRAG_EVENTS | XI86_CONFIGURED; } if (has_keys) { if (kernel24) { xf86Msg(X_INFO, "%s: Kernel < 2.6 is too old, ignoring keyboard\n", pInfo->name); } else { xf86Msg(X_INFO, "%s: Configuring as keyboard\n", pInfo->name); pInfo->flags |= XI86_KEYBOARD_CAPABLE | XI86_CONFIGURED; pInfo->type_name = XI_KEYBOARD; } } if ((pInfo->flags & XI86_CONFIGURED) == 0) { xf86Msg(X_WARNING, "%s: Don't know how to use device\n", pInfo->name); return 1; } return 0; } static InputInfoPtr EvdevPreInit(InputDriverPtr drv, IDevPtr dev, int flags) { InputInfoPtr pInfo; const char *device; EvdevPtr pEvdev; if (!(pInfo = xf86AllocateInput(drv, 0))) return NULL; /* Initialise the InputInfoRec. */ pInfo->name = dev->identifier; pInfo->flags = 0; pInfo->type_name = "UNKNOWN"; pInfo->device_control = EvdevProc; pInfo->read_input = EvdevReadInput; pInfo->history_size = 0; pInfo->control_proc = NULL; pInfo->close_proc = NULL; pInfo->switch_mode = NULL; pInfo->conversion_proc = NULL; pInfo->reverse_conversion_proc = NULL; pInfo->dev = NULL; pInfo->private_flags = 0; pInfo->always_core_feedback = 0; pInfo->conf_idev = dev; if (!(pEvdev = xcalloc(sizeof(EvdevRec), 1))) return pInfo; pInfo->private = pEvdev; xf86CollectInputOptions(pInfo, evdevDefaults, NULL); xf86ProcessCommonOptions(pInfo, pInfo->options); /* * We initialize pEvdev->tool to 1 so that device that doesn't use * proximity will still report events. */ pEvdev->tool = 1; device = xf86CheckStrOption(dev->commonOptions, "Device", NULL); if (!device) { xf86Msg(X_ERROR, "%s: No device specified.\n", pInfo->name); xf86DeleteInput(pInfo, 0); return NULL; } pEvdev->device = device; xf86Msg(X_CONFIG, "%s: Device: \"%s\"\n", pInfo->name, device); do { pInfo->fd = open(device, O_RDWR, 0); } while (pInfo->fd < 0 && errno == EINTR); if (pInfo->fd < 0) { xf86Msg(X_ERROR, "Unable to open evdev device \"%s\".\n", device); xf86DeleteInput(pInfo, 0); return NULL; } /* Check major/minor of device node to avoid adding duplicate devices. */ pEvdev->min_maj = EvdevGetMajorMinor(pInfo); if (EvdevIsDuplicate(pInfo)) { xf86Msg(X_WARNING, "%s: device file already in use. Ignoring.\n", pInfo->name); close(pInfo->fd); xf86DeleteInput(pInfo, 0); return NULL; } pEvdev->reopen_attempts = xf86SetIntOption(pInfo->options, "ReopenAttempts", 10); pEvdev->invert_x = xf86SetBoolOption(pInfo->options, "InvertX", FALSE); pEvdev->invert_y = xf86SetBoolOption(pInfo->options, "InvertY", FALSE); pEvdev->swap_axes = xf86SetBoolOption(pInfo->options, "SwapAxes", FALSE); /* Grabbing the event device stops in-kernel event forwarding. In other words, it disables rfkill and the "Macintosh mouse button emulation". Note that this needs a server that sets the console to RAW mode. */ pEvdev->grabDevice = xf86CheckBoolOption(dev->commonOptions, "GrabDevice", 0); pEvdev->noXkb = noXkbExtension; /* parse the XKB options during kbd setup */ EvdevInitButtonMapping(pInfo); if (EvdevProbe(pInfo)) { close(pInfo->fd); xf86DeleteInput(pInfo, 0); return NULL; } EvdevCacheCompare(pInfo, FALSE); /* cache device data */ EvdevAddDevice(pInfo); if (pEvdev->flags & EVDEV_BUTTON_EVENTS) { EvdevMBEmuPreInit(pInfo); EvdevWheelEmuPreInit(pInfo); EvdevDragLockPreInit(pInfo); } return pInfo; } _X_EXPORT InputDriverRec EVDEV = { 1, "evdev", NULL, EvdevPreInit, NULL, NULL, 0 }; static void EvdevUnplug(pointer p) { } static pointer EvdevPlug(pointer module, pointer options, int *errmaj, int *errmin) { xf86AddInputDriver(&EVDEV, module, 0); return module; } static XF86ModuleVersionInfo EvdevVersionRec = { "evdev", MODULEVENDORSTRING, MODINFOSTRING1, MODINFOSTRING2, XORG_VERSION_CURRENT, PACKAGE_VERSION_MAJOR, PACKAGE_VERSION_MINOR, PACKAGE_VERSION_PATCHLEVEL, ABI_CLASS_XINPUT, ABI_XINPUT_VERSION, MOD_CLASS_XINPUT, {0, 0, 0, 0} }; _X_EXPORT XF86ModuleData evdevModuleData = { &EvdevVersionRec, EvdevPlug, EvdevUnplug }; /* Return an index value for a given button event code * returns 0 on non-button event. */ unsigned int EvdevUtilButtonEventToButtonNumber(EvdevPtr pEvdev, int code) { unsigned int button = 0; switch(code) { case BTN_LEFT: button = 1; break; case BTN_RIGHT: button = 3; break; case BTN_MIDDLE: button = 2; break; /* Treat BTN_[0-2] as LMR buttons on devices that do not advertise BTN_LEFT, BTN_MIDDLE, BTN_RIGHT. Otherwise, treat BTN_[0+n] as button 5+n. XXX: This causes duplicate mappings for BTN_0 + n and BTN_SIDE + n */ case BTN_0: button = (TestBit(BTN_LEFT, pEvdev->key_bitmask)) ? 8 : 1; break; case BTN_1: button = (TestBit(BTN_MIDDLE, pEvdev->key_bitmask)) ? 9 : 2; break; case BTN_2: button = (TestBit(BTN_RIGHT, pEvdev->key_bitmask)) ? 10 : 3; break; case BTN_SIDE: case BTN_EXTRA: case BTN_FORWARD: case BTN_BACK: case BTN_TASK: button = (code - BTN_LEFT + 5); break; default: if ((code > BTN_TASK) && (code < KEY_OK)) { if (code < BTN_JOYSTICK) { if (code < BTN_MOUSE) button = (code - BTN_0 + 5); else button = (code - BTN_LEFT + 5); } } } if (button > EVDEV_MAXBUTTONS) return 0; return button; } #ifdef HAVE_PROPERTIES static void EvdevInitProperty(DeviceIntPtr dev) { InputInfoPtr pInfo = dev->public.devicePrivate; EvdevPtr pEvdev = pInfo->private; int rc; BOOL invert[2]; char reopen; if (pEvdev->flags & (EVDEV_RELATIVE_EVENTS | EVDEV_ABSOLUTE_EVENTS)) { invert[0] = pEvdev->invert_x; invert[1] = pEvdev->invert_y; prop_invert = MakeAtom(EVDEV_PROP_INVERT_AXES, strlen(EVDEV_PROP_INVERT_AXES), TRUE); rc = XIChangeDeviceProperty(dev, prop_invert, XA_INTEGER, 8, PropModeReplace, 2, invert, FALSE); if (rc != Success) return; XISetDevicePropertyDeletable(dev, prop_invert, FALSE); } prop_reopen = MakeAtom(EVDEV_PROP_REOPEN, strlen(EVDEV_PROP_REOPEN), TRUE); reopen = pEvdev->reopen_attempts; rc = XIChangeDeviceProperty(dev, prop_reopen, XA_INTEGER, 8, PropModeReplace, 1, &reopen, FALSE); if (rc != Success) return; XISetDevicePropertyDeletable(dev, prop_reopen, FALSE); prop_calibration = MakeAtom(EVDEV_PROP_CALIBRATION, strlen(EVDEV_PROP_CALIBRATION), TRUE); rc = XIChangeDeviceProperty(dev, prop_calibration, XA_INTEGER, 32, PropModeReplace, 0, NULL, FALSE); if (rc != Success) return; XISetDevicePropertyDeletable(dev, prop_calibration, FALSE); prop_swap = MakeAtom(EVDEV_PROP_SWAP_AXES, strlen(EVDEV_PROP_SWAP_AXES), TRUE); rc = XIChangeDeviceProperty(dev, prop_swap, XA_INTEGER, 8, PropModeReplace, 1, &pEvdev->swap_axes, FALSE); if (rc != Success) return; XISetDevicePropertyDeletable(dev, prop_swap, FALSE); } static int EvdevSetProperty(DeviceIntPtr dev, Atom atom, XIPropertyValuePtr val, BOOL checkonly) { InputInfoPtr pInfo = dev->public.devicePrivate; EvdevPtr pEvdev = pInfo->private; if (atom == prop_invert) { BOOL* data; if (val->format != 8 || val->size != 2 || val->type != XA_INTEGER) return BadMatch; if (!checkonly) { data = (BOOL*)val->data; pEvdev->invert_x = data[0]; pEvdev->invert_y = data[1]; } } else if (atom == prop_reopen) { if (val->format != 8 || val->size != 1 || val->type != XA_INTEGER) return BadMatch; if (!checkonly) pEvdev->reopen_attempts = *((CARD8*)val->data); } else if (atom == prop_calibration) { if (val->format != 32 || val->type != XA_INTEGER) return BadMatch; if (val->size != 4 && val->size != 0) return BadMatch; if (!checkonly) { if (val->size == 0) { pEvdev->flags &= ~EVDEV_CALIBRATED; pEvdev->calibration.min_x = 0; pEvdev->calibration.max_x = 0; pEvdev->calibration.min_y = 0; pEvdev->calibration.max_y = 0; } else if (val->size == 4) { CARD32 *vals = (CARD32*)val->data; pEvdev->flags |= EVDEV_CALIBRATED; pEvdev->calibration.min_x = vals[0]; pEvdev->calibration.max_x = vals[1]; pEvdev->calibration.min_y = vals[2]; pEvdev->calibration.max_y = vals[3]; } } } else if (atom == prop_swap) { if (val->format != 8 || val->type != XA_INTEGER || val->size != 1) return BadMatch; if (!checkonly) pEvdev->swap_axes = *((BOOL*)val->data); } return Success; } #endif