diff options
Diffstat (limited to 'src/evdev.c')
| -rw-r--r-- | src/evdev.c | 781 |
1 files changed, 220 insertions, 561 deletions
diff --git a/src/evdev.c b/src/evdev.c index aa1eb5d..ed15134 100644 --- a/src/evdev.c +++ b/src/evdev.c @@ -1,4 +1,34 @@ /* + * Copyright © 2006 Zephaniah E. Hull + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Soft- + * ware"), to deal in the Software without restriction, including without + * limitation the rights to use, copy, modify, merge, publish, distribute, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, provided that the above copyright + * notice(s) and this permission notice appear in all copies of the Soft- + * ware and that both the above copyright notice(s) and this permission + * notice appear in supporting documentation. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABIL- + * ITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY + * RIGHTS. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR HOLDERS INCLUDED IN + * THIS NOTICE BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL INDIRECT OR CONSE- + * QUENTIAL 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 PERFOR- + * MANCE OF THIS SOFTWARE. + * + * Except as contained in this notice, the name of a copyright holder shall + * not be used in advertising or otherwise to promote the sale, use or + * other dealings in this Software without prior written authorization of + * the copyright holder. + * + * Author: Zephaniah E. Hull (warp@aehallh.com) + */ +/* * Copyright © 2004 Red Hat, Inc. * * Permission to use, copy, modify, distribute, and sell this software @@ -31,99 +61,32 @@ #include <X11/XF86keysym.h> #include <X11/extensions/XIproto.h> +#include <string.h> + /* The libc wrapper just blows... linux/input.h must be included * before xf86_ansic.h and xf86_libc.h so we avoid defining ioctl * twice. */ +#include "evdev.h" -#include <linux/input.h> - -#include <misc.h> #include <xf86.h> -#include <xf86str.h> -#include <xf86_OSproc.h> -#include <xf86_ansic.h> -#include <xf86_libc.h> -#include <xf86Xinput.h> -#include <exevents.h> -#include <mipointer.h> #include <xf86Module.h> -/* 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]))) - -#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 - -typedef struct { - int kernel24; -} EvdevRec, *EvdevPtr; - -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; +#include <xf86_OSproc.h> - for (i = 0; i < count; i++) { - xf86PostButtonEvent(pInfo->dev, 0, button, 1, 0, 0); - xf86PostButtonEvent(pInfo->dev, 0, button, 0, 0, 0); - } -} +/* + * FIXME: This should most definitely not be here. + * But I need it, even if it _is_ private. + */ -static void -PostKbdEvent(InputInfoPtr pInfo, struct input_event *ev, int value) -{ - /* filter repeat events for chording keys */ - if (value == 2 && - (ev->code == KEY_LEFTCTRL || ev->code == KEY_RIGHTCTRL || - ev->code == KEY_LEFTSHIFT || ev->code == KEY_RIGHTSHIFT || - ev->code == KEY_LEFTALT || ev->code == KEY_RIGHTALT || - ev->code == KEY_LEFTMETA || ev->code == KEY_RIGHTMETA || - ev->code == KEY_CAPSLOCK || ev->code == KEY_NUMLOCK || - ev->code == KEY_SCROLLLOCK)) /* XXX windows keys? */ - return; - - xf86PostKeyboardEvent(pInfo->dev, ev->code + MIN_KEYCODE, value); -} +void xf86ActivateDevice(InputInfoPtr pInfo); static void EvdevReadInput(InputInfoPtr pInfo) { struct input_event ev; int len, value; - int dx, dy; - - dx = 0; - dy = 0; while (xf86WaitForInput (pInfo->fd, 0) > 0) { len = read(pInfo->fd, &ev, sizeof ev); @@ -139,573 +102,269 @@ EvdevReadInput(InputInfoPtr pInfo) switch (ev.type) { case EV_REL: - 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); - if (value < 0) - PostButtonClicks(pInfo, wheel_down_button, -value); - break; - - case REL_HWHEEL: - if (value > 0) - PostButtonClicks(pInfo, wheel_right_button, value); - if (value < 0) - PostButtonClicks(pInfo, wheel_left_button, -value); - break; - } - break; + EvdevRelProcess (pInfo, &ev); + break; case EV_ABS: + EvdevAbsProcess (pInfo, &ev); break; case EV_KEY: - switch (ev.code) { - case BTN_LEFT: - case BTN_RIGHT: - case BTN_MIDDLE: - xf86PostButtonEvent(pInfo->dev, 0, ev.code - BTN_LEFT + 1, - value, 0, 0); - break; - - case BTN_SIDE: - case BTN_EXTRA: - case BTN_FORWARD: - case BTN_BACK: - case BTN_TASK: - xf86PostButtonEvent(pInfo->dev, 0, ev.code - BTN_LEFT + 5, - value, 0, 0); - break; - - default: - PostKbdEvent(pInfo, &ev, value); - } - break; + if ((ev.code >= BTN_MISC) && (ev.code < KEY_OK)) + EvdevBtnProcess (pInfo, &ev); + else + EvdevKeyProcess (pInfo, &ev); + break; case EV_SYN: + if (ev.code == SYN_REPORT) { + EvdevRelSyn (pInfo); + EvdevAbsSyn (pInfo); + /* EvdevBtnSyn (pInfo); */ + /* EvdevKeySyn (pInfo); */ + } break; } } - - if (dx != 0 || dy != 0) - xf86PostMotionEvent(pInfo->dev, 0, 0, 2, dx, dy); } -#define TestBit(bit, array) (array[(bit) / 8] & (1 << ((bit) % 8))) - static void -EvdevPtrCtrlProc(DeviceIntPtr device, PtrCtrl *ctrl) +EvdevSigioReadInput (int fd, void *data) { - /* Nothing to do, dix handles all settings */ -} - -/* FIXME: this map works with evdev keyboards, but all the xkb maps - * probably don't. The easiest is to remap the event keycodes. */ - -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, - /* 0x6f */ NoSymbol, NoSymbol, /* KEY_MACRO */ - /* 0x70 */ NoSymbol, NoSymbol, - /* 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, -}; - -static void -EvdevKbdBell(int percent, DeviceIntPtr dev, pointer ctrl, int unused) -{ - /* hat */ -} - -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; - - 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; - - 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_Num_Lock, NumLockMask }, - { XK_Scroll_Lock, ScrollLockMask }, - { XK_Mode_switch, AltLangMask } - }; - - /* TODO: - * Ctrl-Alt-Backspace and other Ctrl-Alt-stuff should work - * XKB, let's try without the #ifdef nightmare - * Get keyboard repeat under control (right now caps lock repeats!) - */ - - pInfo = device->public.devicePrivate; - - /* 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; - - if (!InitKeyClassDeviceStruct(device, &keySyms, modMap)) - return !Success; - - if (!InitFocusClassDeviceStruct(device)) - return !Success; - - if (!InitKbdFeedbackClassDeviceStruct(device, EvdevKbdBell, EvdevKbdCtrl)) - return !Success; - - pInfo->flags |= XI86_KEYBOARD_CAPABLE; - - return Success; -} - -static int -EvdevAddRelClass(DeviceIntPtr device) -{ - InputInfoPtr pInfo; - - pInfo = device->public.devicePrivate; - - if (!InitValuatorClassDeviceStruct(device, 2, - miPointerGetMotionEvents, - miPointerGetMotionBufferSize(), 0)) - return !Success; - - /* X valuator */ - xf86InitValuatorAxisStruct(device, 0, 0, -1, 1, 0, 1); - xf86InitValuatorDefaults(device, 0); - - /* Y valuator */ - xf86InitValuatorAxisStruct(device, 1, 0, -1, 1, 0, 1); - xf86InitValuatorDefaults(device, 1); - xf86MotionHistoryAllocate(pInfo); - - if (!InitPtrFeedbackClassDeviceStruct(device, EvdevPtrCtrlProc)) - return !Success; - - return Success; + EvdevReadInput ((InputInfoPtr) data); } static int -EvdevAddButtonClass(DeviceIntPtr device) +EvdevProc(DeviceIntPtr device, int what) { - CARD8 map[32]; - InputInfoPtr pInfo; - int i; + InputInfoPtr pInfo = device->public.devicePrivate; + evdevDevicePtr pEvdev = pInfo->private; - pInfo = device->public.devicePrivate; + switch (what) + { + case DEVICE_INIT: + if (pEvdev->state.abs_axes) + EvdevAbsInit (device); + if (pEvdev->state.rel_axes) + EvdevRelInit (device); + if (pEvdev->state.buttons) + EvdevBtnInit (device); + if (pEvdev->state.keys) + EvdevKeyInit (device); + xf86Msg(X_INFO, "%s: Init\n", pInfo->name); + break; - /* FIXME: count number of actual buttons */ + case DEVICE_ON: + xf86Msg(X_INFO, "%s: On\n", pInfo->name); + if (device->public.on) + break; - for (i = 0; i < ArrayLength(map); i++) - map[i] = i; + if ((pInfo->fd = evdevGetFDForDevice (pEvdev)) == -1) { + xf86Msg(X_ERROR, "%s: cannot open input device.\n", pInfo->name); - /* Linux reports BTN_LEFT, BTN_RIGHT, BTN_MIDDLE, which should map - * to buttons 1, 2 and 3, so swap 2 and 3 in the map */ - map[2] = 3; - map[3] = 2; + if (pEvdev->phys) + xfree(pEvdev->phys); + pEvdev->phys = NULL; - if (!InitButtonClassDeviceStruct(device, ArrayLength(map), map)) - return !Success; + if (pEvdev->device) + xfree(pEvdev->device); + pEvdev->device = NULL; - pInfo->flags |= XI86_POINTER_CAPABLE | XI86_SEND_DRAG_EVENTS; + return BadRequest; + } - return Success; -} + if (pEvdev->state.can_grab) + if (ioctl(pInfo->fd, EVIOCGRAB, (void *)1)) + xf86Msg(X_ERROR, "%s: Unable to grab device (%s).\n", pInfo->name, strerror(errno)); -static int -EvdevInit(DeviceIntPtr device) -{ - InputInfoPtr pInfo; + xf86FlushInput (pInfo->fd); + if (!xf86InstallSIGIOHandler (pInfo->fd, EvdevSigioReadInput, pInfo)) + AddEnabledDevice (pInfo->fd); - pInfo = device->public.devicePrivate; + device->public.on = TRUE; - /* FIXME: This doesn't add buttons for keyboards with - * scrollwheels. */ + if (pEvdev->state.abs_axes) + EvdevAbsOn (device); + if (pEvdev->state.rel_axes) + EvdevRelOn (device); + if (pEvdev->state.buttons) + EvdevBtnOn (device); + if (pEvdev->state.keys) + EvdevKeyOn (device); + break; - if (pInfo->flags & XI86_KEYBOARD_CAPABLE) { - EvdevAddKeyClass(device); - } + case DEVICE_CLOSE: + case DEVICE_OFF: + xf86Msg(X_INFO, "%s: Off\n", pInfo->name); + if (pInfo->fd != -1) { + if (pEvdev->state.can_grab) + ioctl(pInfo->fd, EVIOCGRAB, (void *)0); + + RemoveEnabledDevice (pInfo->fd); + xf86RemoveSIGIOHandler (pInfo->fd); + close (pInfo->fd); + + if (pEvdev->state.abs_axes) + EvdevAbsOff (device); + if (pEvdev->state.rel_axes) + EvdevRelOff (device); + if (pEvdev->state.buttons) + EvdevBtnOff (device); + if (pEvdev->state.keys) + EvdevKeyOff (device); + } - if (pInfo->flags & XI86_POINTER_CAPABLE) { - EvdevAddButtonClass(device); - EvdevAddRelClass(device); + device->public.on = FALSE; + break; } return Success; } static int -EvdevProc(DeviceIntPtr device, int what) +EvdevSwitchMode (ClientPtr client, DeviceIntPtr device, int mode) { - InputInfoPtr pInfo; - EvdevPtr pEvdev; + InputInfoPtr pInfo = device->public.devicePrivate; + evdevDevicePtr pEvdev = pInfo->private; + evdevStatePtr state = &pEvdev->state; - pInfo = device->public.devicePrivate; - pEvdev = pInfo->private; - - switch (what) + switch (mode) { - case DEVICE_INIT: - return EvdevInit(device); - - case DEVICE_ON: - if (!pEvdev->kernel24 && ioctl(pInfo->fd, EVIOCGRAB, (void *)1)) - xf86Msg(X_WARNING, "%s: Grab failed (%s)\n", pInfo->name, - strerror(errno)); - xf86AddEnabledDevice(pInfo); - device->public.on = TRUE; - break; - - case DEVICE_OFF: - if (!pEvdev->kernel24 && ioctl(pInfo->fd, EVIOCGRAB, (void *)0)) - xf86Msg(X_WARNING, "%s: Release failed (%s)\n", pInfo->name, - strerror(errno)); - xf86RemoveEnabledDevice(pInfo); - device->public.on = FALSE; - break; - - case DEVICE_CLOSE: - xf86Msg(X_INFO, "%s: Close\n", pInfo->name); - break; + case Absolute: + case Relative: + if (state->abs_axes) + state->mode = mode; + else + return !Success; + break; + case SendCoreEvents: + case DontSendCoreEvents: + xf86XInputSetSendCoreEvents (pInfo, (mode == SendCoreEvents)); + break; + default: + return !Success; } return Success; } static Bool -EvdevConvert(InputInfoPtr pInfo, int first, int num, int v0, int v1, int v2, - int v3, int v4, int v5, int *x, int *y) +EvdevNew(evdevDriverPtr driver, evdevDevicePtr device) { - if (first == 0 && num == 2) { - *x = v0; - *y = v1; - return TRUE; - } - else - return FALSE; -} + InputInfoPtr pInfo; + char name[512] = {0}; -static int -EvdevProbe(InputInfoPtr pInfo) -{ - char key_bitmask[(KEY_MAX + 7) / 8]; - char rel_bitmask[(REL_MAX + 7) / 8]; - int i, has_axes, has_buttons, has_keys; - EvdevPtr pEvdev = pInfo->private; - - if (ioctl(pInfo->fd, EVIOCGRAB, (void *)1) && errno == EINVAL) { - /* keyboards are unsafe in 2.4 */ - pEvdev->kernel24 = 1; - } else { - ioctl(pInfo->fd, EVIOCGRAB, (void *)0); - } + if (!(pInfo = xf86AllocateInput(driver->drv, 0))) + return 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; - } + /* Initialise the InputInfoRec. */ + strncat (name, driver->dev->identifier, sizeof(name)); + strncat (name, "-", sizeof(name)); + strncat (name, device->phys, sizeof(name)); + pInfo->name = xstrdup(name); + pInfo->flags = 0; + pInfo->type_name = "UNKNOWN"; + pInfo->device_control = EvdevProc; + pInfo->read_input = EvdevReadInput; + pInfo->switch_mode = EvdevSwitchMode; + pInfo->motion_history_proc = xf86GetMotionEvents; + pInfo->conf_idev = driver->dev; - 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; - } + pInfo->private = device; - has_axes = FALSE; - has_buttons = FALSE; - has_keys = FALSE; + device->callback = EvdevProc; + device->pInfo = pInfo; - if (TestBit(REL_X, rel_bitmask) && TestBit(REL_Y, rel_bitmask)) { - xf86Msg(X_INFO, "%s: Found x and y relative axes\n", pInfo->name); - has_axes = TRUE; - } - + xf86CollectInputOptions(pInfo, NULL, NULL); + xf86ProcessCommonOptions(pInfo, pInfo->options); - if (TestBit(BTN_LEFT, key_bitmask)) { - xf86Msg(X_INFO, "%s: Found mouse buttons\n", pInfo->name); - has_buttons = TRUE; + if ((pInfo->fd = evdevGetFDForDevice (device)) == -1) { + xf86Msg(X_ERROR, "%s: cannot open input device\n", pInfo->name); + pInfo->private = NULL; + xf86DeleteInput (pInfo, 0); + return 0; } - 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); - has_keys = TRUE; + if (ioctl(pInfo->fd, EVIOCGRAB, (void *)1)) { + xf86Msg(X_INFO, "%s: Unable to grab device (%s). Cowardly refusing to check use as keyboard.\n", pInfo->name, strerror(errno)); + device->state.can_grab = 0; + } else { + device->state.can_grab = 1; + ioctl(pInfo->fd, EVIOCGRAB, (void *)0); } - if (has_axes && has_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; + /* XXX: Note, the order of these is important. */ + EvdevAbsNew (pInfo); + EvdevRelNew (pInfo); + EvdevBtnNew (pInfo); + if (device->state.can_grab) + EvdevKeyNew (pInfo); + + close (pInfo->fd); + pInfo->fd = -1; + + pInfo->flags |= XI86_OPEN_ON_INIT; + if (!(pInfo->flags & XI86_CONFIGURED)) { + xf86Msg(X_ERROR, "%s: Don't know how to use device.\n", pInfo->name); + pInfo->private = NULL; + xf86DeleteInput (pInfo, 0); + return 0; } - if (has_keys) { - if (pEvdev->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 (driver->configured) { + xf86ActivateDevice (pInfo); - if ((pInfo->flags & XI86_CONFIGURED) == 0) { - xf86Msg(X_WARNING, "%s: Don't know how to use device\n", - pInfo->name); - return 1; + pInfo->dev->inited = (device->callback(device->pInfo->dev, DEVICE_INIT) == Success); + EnableDevice (pInfo->dev); } - return 0; + return 1; } static InputInfoPtr -EvdevPreInit(InputDriverPtr drv, IDevPtr dev, int flags) +EvdevCorePreInit(InputDriverPtr drv, IDevPtr dev, int flags) { - InputInfoPtr pInfo; - MessageType deviceFrom = X_CONFIG; - const char *device; - EvdevPtr pEvdev; + evdevDriverPtr pEvdev; - if (!(pInfo = xf86AllocateInput(drv, 0))) - return NULL; + if (!(pEvdev = Xcalloc(sizeof(*pEvdev)))) + 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->motion_history_proc = xf86GetMotionEvents; - pInfo->history_size = 0; - pInfo->control_proc = NULL; - pInfo->close_proc = NULL; - pInfo->switch_mode = NULL; - pInfo->conversion_proc = EvdevConvert; - 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(*pEvdev), 1))) - return pInfo; - pInfo->private = pEvdev; + pEvdev->name = xf86CheckStrOption(dev->commonOptions, "Name", NULL); + pEvdev->phys = xf86CheckStrOption(dev->commonOptions, "Phys", NULL); + pEvdev->device = xf86CheckStrOption(dev->commonOptions, "Device", NULL); + xf86Msg(X_ERROR, "%s: name: %s, phys: %s, device: %s.\n", dev->identifier, + pEvdev->name, pEvdev->phys, pEvdev->device); - xf86CollectInputOptions(pInfo, NULL, NULL); - xf86ProcessCommonOptions(pInfo, pInfo->options); + pEvdev->callback = EvdevNew; + + pEvdev->dev = dev; + pEvdev->drv = drv; - device = xf86CheckStrOption(dev->commonOptions, "Device", NULL); - if (!device) { - xf86Msg(X_ERROR, "%s: No device specified.\n", pInfo->name); + if (!pEvdev->name && !pEvdev->phys && !pEvdev->device) { + xf86Msg(X_ERROR, "%s: No device identifiers specified.\n", dev->identifier); xfree(pEvdev); - return pInfo; + return NULL; } - - xf86Msg(deviceFrom, "%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); + if (!evdevStart (drv)) { + xf86Msg(X_ERROR, "%s: cannot start evdev brain.\n", dev->identifier); xfree(pEvdev); - return pInfo; + return NULL; } - if (EvdevProbe(pInfo)) - xfree(pEvdev); + evdevNewDriver (pEvdev); + + if (pEvdev->devices && pEvdev->devices->pInfo) + return pEvdev->devices->pInfo; - return pInfo; + return NULL; } _X_EXPORT InputDriverRec EVDEV = { 1, "evdev", NULL, - EvdevPreInit, + EvdevCorePreInit, NULL, NULL, 0 |