diff options
Diffstat (limited to 'xorg-server/hw/dmx/input/usb-keyboard.c')
| -rw-r--r-- | xorg-server/hw/dmx/input/usb-keyboard.c | 441 |
1 files changed, 441 insertions, 0 deletions
diff --git a/xorg-server/hw/dmx/input/usb-keyboard.c b/xorg-server/hw/dmx/input/usb-keyboard.c new file mode 100644 index 000000000..efec2705b --- /dev/null +++ b/xorg-server/hw/dmx/input/usb-keyboard.c @@ -0,0 +1,441 @@ +/* Portions of this file were derived from the following files: + * + ********************************************************************** + * + * xfree86/common/xf86KbdLnx.c + * + * Linux version of keymapping setup. The kernel (since 0.99.14) has support + * for fully remapping the keyboard, but there are some differences between + * the Linux map and the SVR4 map (esp. in the extended keycodes). We also + * remove the restriction on what keycodes can be remapped. + * Orest Zborowski. + * + * Copyright 1990,91 by Thomas Roell, Dinkelscherben, Germany. + * + * 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 Thomas Roell not be used in + * advertising or publicity pertaining to distribution of the software without + * specific, written prior permission. Thomas Roell makes no representations + * about the suitability of this software for any purpose. It is provided + * "as is" without express or implied warranty. + * + * THOMAS ROELL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, + * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO + * EVENT SHALL THOMAS ROELL 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. + * + */ + +/* + * Copyright 2001,2002 Red Hat Inc., Durham, North Carolina. + * + * All Rights Reserved. + * + * 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 on 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 (including the + * next paragraph) 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 + * NON-INFRINGEMENT. IN NO EVENT SHALL RED HAT AND/OR THEIR SUPPLIERS + * 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. + */ + +/* + * Authors: + * Rickard E. (Rik) Faith <faith@redhat.com> + * + */ + +/** \file + * + * This code implements a low-level device driver for a USB keyboard + * under Linux. The keymap description is derived from code by Thomas + * Roell, Orest Zborowski. */ + +#ifdef HAVE_DMX_CONFIG_H +#include <dmx-config.h> +#endif + +#include "atKeynames.h" +#include "usb-private.h" + +#define USB_KEYBOARD_DEBUG 0 + +/*****************************************************************************/ +/* Define some macros to make it easier to move this file to another + * part of the Xserver tree. All calls to the dmx* layer are #defined + * here for the .c file. The .h file will also have to be edited. */ +#include "usb-keyboard.h" + +#define GETPRIV myPrivate *priv \ + = ((DMXLocalInputInfoPtr)(pDev->devicePrivate))->private + +#define LOG0(f) dmxLog(dmxDebug,f) +#define LOG1(f,a) dmxLog(dmxDebug,f,a) +#define LOG2(f,a,b) dmxLog(dmxDebug,f,a,b) +#define LOG3(f,a,b,c) dmxLog(dmxDebug,f,a,b,c) +#define FATAL0(f) dmxLog(dmxFatal,f) +#define FATAL1(f,a) dmxLog(dmxFatal,f,a) +#define FATAL2(f,a,b) dmxLog(dmxFatal,f,a,b) +#define MOTIONPROC dmxMotionProcPtr +#define ENQUEUEPROC dmxEnqueueProcPtr +#define CHECKPROC dmxCheckSpecialProcPtr +#define BLOCK DMXBlockType + +/* End of interface definitions. */ +/*****************************************************************************/ + +#define GLYPHS_PER_KEY 4 +#define NUM_KEYCODES 248 +#define MIN_KEYCODE 8 +#define MAX_KEYCODE (NUM_KEYCODES + MIN_KEYCODE - 1) + +static KeySym map[NUM_KEYCODES * GLYPHS_PER_KEY] = { +/* Table modified from xc/programs/Xserver/hw/xfree86/common/xf86Keymap.h */ + /* 0x00 */ NoSymbol, NoSymbol, NoSymbol, NoSymbol, + /* 0x01 */ XK_Escape, NoSymbol, NoSymbol, NoSymbol, + /* 0x02 */ XK_1, XK_exclam, NoSymbol, NoSymbol, + /* 0x03 */ XK_2, XK_at, NoSymbol, NoSymbol, + /* 0x04 */ XK_3, XK_numbersign, NoSymbol, NoSymbol, + /* 0x05 */ XK_4, XK_dollar, NoSymbol, NoSymbol, + /* 0x06 */ XK_5, XK_percent, NoSymbol, NoSymbol, + /* 0x07 */ XK_6, XK_asciicircum, NoSymbol, NoSymbol, + /* 0x08 */ XK_7, XK_ampersand, NoSymbol, NoSymbol, + /* 0x09 */ XK_8, XK_asterisk, NoSymbol, NoSymbol, + /* 0x0a */ XK_9, XK_parenleft, NoSymbol, NoSymbol, + /* 0x0b */ XK_0, XK_parenright, NoSymbol, NoSymbol, + /* 0x0c */ XK_minus, XK_underscore, NoSymbol, NoSymbol, + /* 0x0d */ XK_equal, XK_plus, NoSymbol, NoSymbol, + /* 0x0e */ XK_BackSpace, NoSymbol, NoSymbol, NoSymbol, + /* 0x0f */ XK_Tab, XK_ISO_Left_Tab,NoSymbol, NoSymbol, + /* 0x10 */ XK_Q, NoSymbol, NoSymbol, NoSymbol, + /* 0x11 */ XK_W, NoSymbol, NoSymbol, NoSymbol, + /* 0x12 */ XK_E, NoSymbol, NoSymbol, NoSymbol, + /* 0x13 */ XK_R, NoSymbol, NoSymbol, NoSymbol, + /* 0x14 */ XK_T, NoSymbol, NoSymbol, NoSymbol, + /* 0x15 */ XK_Y, NoSymbol, NoSymbol, NoSymbol, + /* 0x16 */ XK_U, NoSymbol, NoSymbol, NoSymbol, + /* 0x17 */ XK_I, NoSymbol, NoSymbol, NoSymbol, + /* 0x18 */ XK_O, NoSymbol, NoSymbol, NoSymbol, + /* 0x19 */ XK_P, NoSymbol, NoSymbol, NoSymbol, + /* 0x1a */ XK_bracketleft, XK_braceleft, NoSymbol, NoSymbol, + /* 0x1b */ XK_bracketright,XK_braceright, NoSymbol, NoSymbol, + /* 0x1c */ XK_Return, NoSymbol, NoSymbol, NoSymbol, + /* 0x1d */ XK_Control_L, NoSymbol, NoSymbol, NoSymbol, + /* 0x1e */ XK_A, NoSymbol, NoSymbol, NoSymbol, + /* 0x1f */ XK_S, NoSymbol, NoSymbol, NoSymbol, + /* 0x20 */ XK_D, NoSymbol, NoSymbol, NoSymbol, + /* 0x21 */ XK_F, NoSymbol, NoSymbol, NoSymbol, + /* 0x22 */ XK_G, NoSymbol, NoSymbol, NoSymbol, + /* 0x23 */ XK_H, NoSymbol, NoSymbol, NoSymbol, + /* 0x24 */ XK_J, NoSymbol, NoSymbol, NoSymbol, + /* 0x25 */ XK_K, NoSymbol, NoSymbol, NoSymbol, + /* 0x26 */ XK_L, NoSymbol, NoSymbol, NoSymbol, + /* 0x27 */ XK_semicolon, XK_colon, NoSymbol, NoSymbol, + /* 0x28 */ XK_quoteright, XK_quotedbl, NoSymbol, NoSymbol, + /* 0x29 */ XK_quoteleft, XK_asciitilde, NoSymbol, NoSymbol, + /* 0x2a */ XK_Shift_L, NoSymbol, NoSymbol, NoSymbol, + /* 0x2b */ XK_backslash, XK_bar, NoSymbol, NoSymbol, + /* 0x2c */ XK_Z, NoSymbol, NoSymbol, NoSymbol, + /* 0x2d */ XK_X, NoSymbol, NoSymbol, NoSymbol, + /* 0x2e */ XK_C, NoSymbol, NoSymbol, NoSymbol, + /* 0x2f */ XK_V, NoSymbol, NoSymbol, NoSymbol, + /* 0x30 */ XK_B, NoSymbol, NoSymbol, NoSymbol, + /* 0x31 */ XK_N, NoSymbol, NoSymbol, NoSymbol, + /* 0x32 */ XK_M, NoSymbol, NoSymbol, NoSymbol, + /* 0x33 */ XK_comma, XK_less, NoSymbol, NoSymbol, + /* 0x34 */ XK_period, XK_greater, NoSymbol, NoSymbol, + /* 0x35 */ XK_slash, XK_question, NoSymbol, NoSymbol, + /* 0x36 */ XK_Shift_R, NoSymbol, NoSymbol, NoSymbol, + /* 0x37 */ XK_KP_Multiply, NoSymbol, NoSymbol, NoSymbol, + /* 0x38 */ XK_Alt_L, XK_Meta_L, NoSymbol, NoSymbol, + /* 0x39 */ XK_space, NoSymbol, NoSymbol, NoSymbol, + /* 0x3a */ XK_Caps_Lock, NoSymbol, NoSymbol, NoSymbol, + /* 0x3b */ XK_F1, NoSymbol, NoSymbol, NoSymbol, + /* 0x3c */ XK_F2, NoSymbol, NoSymbol, NoSymbol, + /* 0x3d */ XK_F3, NoSymbol, NoSymbol, NoSymbol, + /* 0x3e */ XK_F4, NoSymbol, NoSymbol, NoSymbol, + /* 0x3f */ XK_F5, NoSymbol, NoSymbol, NoSymbol, + /* 0x40 */ XK_F6, NoSymbol, NoSymbol, NoSymbol, + /* 0x41 */ XK_F7, NoSymbol, NoSymbol, NoSymbol, + /* 0x42 */ XK_F8, NoSymbol, NoSymbol, NoSymbol, + /* 0x43 */ XK_F9, NoSymbol, NoSymbol, NoSymbol, + /* 0x44 */ XK_F10, NoSymbol, NoSymbol, NoSymbol, + /* 0x45 */ XK_Num_Lock, NoSymbol, NoSymbol, NoSymbol, + /* 0x46 */ XK_Scroll_Lock, NoSymbol, NoSymbol, NoSymbol, + /* 0x47 */ XK_KP_Home, XK_KP_7, NoSymbol, NoSymbol, + /* 0x48 */ XK_KP_Up, XK_KP_8, NoSymbol, NoSymbol, + /* 0x49 */ XK_KP_Prior, XK_KP_9, NoSymbol, NoSymbol, + /* 0x4a */ XK_KP_Subtract, NoSymbol, NoSymbol, NoSymbol, + /* 0x4b */ XK_KP_Left, XK_KP_4, NoSymbol, NoSymbol, + /* 0x4c */ XK_KP_Begin, XK_KP_5, NoSymbol, NoSymbol, + /* 0x4d */ XK_KP_Right, XK_KP_6, NoSymbol, NoSymbol, + /* 0x4e */ XK_KP_Add, NoSymbol, NoSymbol, NoSymbol, + /* 0x4f */ XK_KP_End, XK_KP_1, NoSymbol, NoSymbol, + /* 0x50 */ XK_KP_Down, XK_KP_2, NoSymbol, NoSymbol, + /* 0x51 */ XK_KP_Next, XK_KP_3, NoSymbol, NoSymbol, + /* 0x52 */ XK_KP_Insert, XK_KP_0, NoSymbol, NoSymbol, + /* 0x53 */ XK_KP_Delete, XK_KP_Decimal, NoSymbol, NoSymbol, + /* 0x54 */ XK_Sys_Req, NoSymbol, NoSymbol, NoSymbol, + /* 0x55 */ NoSymbol, NoSymbol, NoSymbol, NoSymbol, + /* 0x56 */ XK_less, XK_greater, NoSymbol, NoSymbol, + /* 0x57 */ XK_F11, NoSymbol, NoSymbol, NoSymbol, + /* 0x58 */ XK_F12, NoSymbol, NoSymbol, NoSymbol, + /* 0x59 */ NoSymbol, NoSymbol, NoSymbol, NoSymbol, + /* 0x5a */ NoSymbol, NoSymbol, NoSymbol, NoSymbol, + /* 0x5b */ NoSymbol, NoSymbol, NoSymbol, NoSymbol, + /* 0x5c */ NoSymbol, NoSymbol, NoSymbol, NoSymbol, + /* 0x5d */ XK_Begin, NoSymbol, NoSymbol, NoSymbol, + /* 0x5e */ NoSymbol, NoSymbol, NoSymbol, NoSymbol, + /* 0x5f */ NoSymbol, NoSymbol, NoSymbol, NoSymbol, + /* 0x60 */ XK_KP_Enter, NoSymbol, NoSymbol, NoSymbol, + /* 0x61 */ XK_Control_R, NoSymbol, NoSymbol, NoSymbol, + /* 0x62 */ XK_KP_Divide, NoSymbol, NoSymbol, NoSymbol, + /* 0x63 */ XK_Print, NoSymbol, NoSymbol, NoSymbol, + /* 0x64 */ XK_Alt_R, XK_Meta_R, NoSymbol, NoSymbol, + /* 0x65 */ XK_Break, NoSymbol, NoSymbol, NoSymbol, + /* 0x66 */ XK_Home, NoSymbol, NoSymbol, NoSymbol, + /* 0x67 */ XK_Up, NoSymbol, NoSymbol, NoSymbol, + /* 0x68 */ XK_Prior, NoSymbol, NoSymbol, NoSymbol, + /* 0x69 */ XK_Left, NoSymbol, NoSymbol, NoSymbol, + /* 0x6a */ XK_Right, NoSymbol, NoSymbol, NoSymbol, + /* 0x6b */ XK_End, NoSymbol, NoSymbol, NoSymbol, + /* 0x6c */ XK_Down, NoSymbol, NoSymbol, NoSymbol, + /* 0x6d */ XK_Next, NoSymbol, NoSymbol, NoSymbol, + /* 0x6e */ XK_Insert, NoSymbol, NoSymbol, NoSymbol, + /* 0x6f */ XK_Delete, NoSymbol, NoSymbol, NoSymbol, + /* 0x70 */ NoSymbol, NoSymbol, NoSymbol, NoSymbol, + /* 0x71 */ NoSymbol, NoSymbol, NoSymbol, NoSymbol, + /* 0x72 */ NoSymbol, NoSymbol, NoSymbol, NoSymbol, + /* 0x73 */ NoSymbol, NoSymbol, NoSymbol, NoSymbol, + /* 0x74 */ NoSymbol, NoSymbol, NoSymbol, NoSymbol, + /* 0x75 */ NoSymbol, NoSymbol, NoSymbol, NoSymbol, + /* 0x76 */ NoSymbol, NoSymbol, NoSymbol, NoSymbol, + /* 0x77 */ XK_Pause, NoSymbol, NoSymbol, NoSymbol, + /* 0x78 */ NoSymbol, NoSymbol, NoSymbol, NoSymbol, + /* 0x79 */ NoSymbol, NoSymbol, NoSymbol, NoSymbol, + /* 0x7a */ XK_Menu, NoSymbol, NoSymbol, NoSymbol, + /* 0x7b */ NoSymbol, NoSymbol, NoSymbol, NoSymbol, + /* 0x7c */ NoSymbol, NoSymbol, NoSymbol, NoSymbol, + /* 0x7d */ XK_Super_L, NoSymbol, NoSymbol, NoSymbol, + /* 0x7e */ XK_Super_R, NoSymbol, NoSymbol, NoSymbol, + /* 0x7f */ XK_Menu, NoSymbol, NoSymbol, NoSymbol, +}; + +static int kbdUSBKeyDown(myPrivate *priv, int keyCode) +{ + CARD8 byte = keyCode >> 5; + CARD32 bit = 1 << (keyCode & 0x1f); + + if (byte > NUM_STATE_ENTRIES) return 0; + return priv->kbdState[byte] & bit; +} + +static void kbdUSBKeyState(myPrivate *priv, int type, int keyCode) +{ + CARD8 byte = keyCode >> 5; + CARD32 bit = 1 << (keyCode & 0x1f); + + if (byte > NUM_STATE_ENTRIES) return; + if (type == KeyPress) priv->kbdState[byte] |= bit; + else priv->kbdState[byte] &= ~bit; +} + +/** Set the LEDs. */ +void kbdUSBCtrl(DevicePtr pDev, KeybdCtrl *ctrl) +{ + GETPRIV; + struct timeval tv; + struct input_event event; + int i, led; + + gettimeofday(&tv, NULL); + for (i = 0; i < 5; i++) { + event.time.tv_sec = tv.tv_sec; + event.time.tv_usec = tv.tv_usec; + event.type = EV_LED; + if (i == 0) led = 1; /* LED_CAPSL == 0x01 */ + else if (i == 1) led = 0; /* LED_NUML == 0x00 */ + else led = i; + event.code = led; + event.value = !!(ctrl->leds & (1 << led)); + write(priv->fd, &event, sizeof(event)); + } +} + +/** Initialize \a pDev using #usbInit. */ +void kbdUSBInit(DevicePtr pDev) +{ + usbInit(pDev, usbKeyboard); +} + +static void kbdUSBConvert(DevicePtr pDev, + unsigned int scanCode, + int value, + ENQUEUEPROC enqueue, + CHECKPROC checkspecial, + BLOCK block) +{ + GETPRIV; + KeySymsPtr pKeySyms = &priv->pDevice->key->curKeySyms; + int type; + int keyCode; + KeySym keySym = NoSymbol; + int switching; + + /* Set up xEvent information */ + type = value ? KeyPress : KeyRelease; + keyCode = (scanCode & 0xff) + MIN_KEYCODE; + + /* Handle repeats */ + + if (keyCode >= pKeySyms->minKeyCode && keyCode <= pKeySyms->maxKeyCode) { + keySym = pKeySyms->map[(keyCode - pKeySyms->minKeyCode) + * pKeySyms->mapWidth]; +#if 0 + switch (keySym) { + case XK_Num_Lock: + case XK_Scroll_Lock: + case XK_Shift_Lock: + case XK_Caps_Lock: + /* Ignore releases and all but first press */ + if (kbdLinuxModIgnore(priv, &xE, keySym)) return; + if (kbdLinuxKeyDown(priv, &xE)) xE.u.u.type = KeyRelease; + else xE.u.u.type = KeyPress; + break; + } +#endif + + /* If key is already down, ignore or autorepeat */ + if (type == KeyPress && kbdUSBKeyDown(priv, keyCode)) { + KbdFeedbackClassRec *feed = priv->pDevice->kbdfeed; + + /* No auto-repeat? */ + if ((feed && !feed->ctrl.autoRepeat) + || priv->pDevice->key->modifierMap[keyCode] + || (feed + && !(feed->ctrl.autoRepeats[keyCode >> 3] + & (1 << (keyCode & 7))))) return; /* Ignore */ + + /* Do auto-repeat */ + enqueue(pDev, KeyRelease, keyCode, keySym, NULL, block); + type = KeyPress; + } + + /* If key is already up, ignore */ + if (type == KeyRelease && !kbdUSBKeyDown(priv, keyCode)) return; + } + + switching = 0; + if (checkspecial && type == KeyPress) + switching = checkspecial(pDev, keySym); + if (!switching) { + if (enqueue) + enqueue(pDev, type, keyCode, keySym, NULL, block); + kbdUSBKeyState(priv, type, keyCode); /* Update our state bitmap */ + } +} + +/** Read an event from the \a pDev device. If the event is a motion + * event, enqueue it with the \a motion function. Otherwise, check for + * special keys with the \a checkspecial function and enqueue the event + * with the \a enqueue function. The \a block type is passed to the + * functions so that they may block SIGIO handling as appropriate to the + * caller of this function. */ +void kbdUSBRead(DevicePtr pDev, + MOTIONPROC motion, + ENQUEUEPROC enqueue, + CHECKPROC checkspecial, + BLOCK block) +{ + GETPRIV; + struct input_event raw; + + while (read(priv->fd, &raw, sizeof(raw)) > 0) { +#if USB_KEYBOARD_DEBUG + LOG3("KBD: type = %d, code = 0x%02x, value = %d\n", + raw.type, raw.code, raw.value); +#endif + kbdUSBConvert(pDev, raw.code, raw.value, enqueue, checkspecial, block); + } +} + +/** Turn \a pDev on (i.e., take input from \a pDev). */ +int kbdUSBOn(DevicePtr pDev) +{ + GETPRIV; + + if (priv->fd < 0) kbdUSBInit(pDev); + return priv->fd; +} + +static void kbdUSBGetMap(DevicePtr pDev, KeySymsPtr pKeySyms, CARD8 *pModMap) +{ + KeySym *k, *mapCopy; + int i; + + mapCopy = xalloc(sizeof(map)); + memcpy(mapCopy, map, sizeof(map)); + + /* compute the modifier map */ + for (i = 0; i < MAP_LENGTH; i++) + pModMap[i] = NoSymbol; /* make sure it is restored */ + + for (k = mapCopy, i = MIN_KEYCODE; + i < NUM_KEYCODES + MIN_KEYCODE; + i++, k += 4) { + switch(*k) { + case XK_Shift_L: + case XK_Shift_R: pModMap[i] = ShiftMask; break; + case XK_Control_L: + case XK_Control_R: pModMap[i] = ControlMask; break; + case XK_Caps_Lock: pModMap[i] = LockMask; break; + case XK_Alt_L: + case XK_Alt_R: pModMap[i] = AltMask; break; + case XK_Num_Lock: pModMap[i] = NumLockMask; break; + case XK_Scroll_Lock: pModMap[i] = ScrollLockMask; break; + case XK_Kana_Lock: + case XK_Kana_Shift: pModMap[i] = KanaMask; break; + case XK_Mode_switch: pModMap[i] = AltLangMask; break; + } + } + + pKeySyms->map = mapCopy; /* Must be XFree'able */ + pKeySyms->mapWidth = GLYPHS_PER_KEY; + pKeySyms->minKeyCode = MIN_KEYCODE; + pKeySyms->maxKeyCode = MAX_KEYCODE; +} + +/** Fill the \a info structure with information needed to initialize \a + * pDev. */ +void kbdUSBGetInfo(DevicePtr pDev, DMXLocalInitInfoPtr info) +{ + info->keyboard = 1; + info->keyClass = 1; + kbdUSBGetMap(pDev, &info->keySyms, info->modMap); + info->focusClass = 1; + info->kbdFeedbackClass = 1; +#ifdef XKB + info->names.keycodes = xstrdup("powerpcps2"); + info->force = 1; +#endif +} |