Signed-off-by: Markus Armbruster <armbru@redhat.com> Message-Id: <20190523143508.25387-4-armbru@redhat.com> [Rebased with conflicts resolved automatically, except for hw/usb/dev-hub.c hw/misc/exynos4210_rng.c hw/misc/bcm2835_rng.c hw/misc/aspeed_scu.c hw/display/virtio-vga.c hw/arm/stm32f205_soc.c; ui/cocoa.m fixed up]
410 lines
13 KiB
C
410 lines
13 KiB
C
/*
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* QEMU ADB keyboard support
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*
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* Copyright (c) 2004 Fabrice Bellard
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#include "qemu/osdep.h"
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#include "hw/input/adb.h"
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#include "qemu/module.h"
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#include "ui/input.h"
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#include "hw/input/adb-keys.h"
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#include "sysemu/sysemu.h"
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#include "adb-internal.h"
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#include "trace.h"
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#define ADB_KEYBOARD(obj) OBJECT_CHECK(KBDState, (obj), TYPE_ADB_KEYBOARD)
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typedef struct KBDState {
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/*< private >*/
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ADBDevice parent_obj;
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/*< public >*/
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uint8_t data[128];
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int rptr, wptr, count;
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} KBDState;
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#define ADB_KEYBOARD_CLASS(class) \
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OBJECT_CLASS_CHECK(ADBKeyboardClass, (class), TYPE_ADB_KEYBOARD)
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#define ADB_KEYBOARD_GET_CLASS(obj) \
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OBJECT_GET_CLASS(ADBKeyboardClass, (obj), TYPE_ADB_KEYBOARD)
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typedef struct ADBKeyboardClass {
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/*< private >*/
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ADBDeviceClass parent_class;
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/*< public >*/
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DeviceRealize parent_realize;
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} ADBKeyboardClass;
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/* The adb keyboard doesn't have every key imaginable */
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#define NO_KEY 0xff
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int qcode_to_adb_keycode[] = {
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/* Make sure future additions are automatically set to NO_KEY */
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[0 ... 0xff] = NO_KEY,
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[Q_KEY_CODE_SHIFT] = ADB_KEY_LEFT_SHIFT,
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[Q_KEY_CODE_SHIFT_R] = ADB_KEY_RIGHT_SHIFT,
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[Q_KEY_CODE_ALT] = ADB_KEY_LEFT_OPTION,
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[Q_KEY_CODE_ALT_R] = ADB_KEY_RIGHT_OPTION,
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[Q_KEY_CODE_CTRL] = ADB_KEY_LEFT_CONTROL,
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[Q_KEY_CODE_CTRL_R] = ADB_KEY_RIGHT_CONTROL,
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[Q_KEY_CODE_META_L] = ADB_KEY_COMMAND,
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[Q_KEY_CODE_META_R] = ADB_KEY_COMMAND,
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[Q_KEY_CODE_SPC] = ADB_KEY_SPACEBAR,
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[Q_KEY_CODE_ESC] = ADB_KEY_ESC,
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[Q_KEY_CODE_1] = ADB_KEY_1,
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[Q_KEY_CODE_2] = ADB_KEY_2,
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[Q_KEY_CODE_3] = ADB_KEY_3,
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[Q_KEY_CODE_4] = ADB_KEY_4,
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[Q_KEY_CODE_5] = ADB_KEY_5,
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[Q_KEY_CODE_6] = ADB_KEY_6,
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[Q_KEY_CODE_7] = ADB_KEY_7,
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[Q_KEY_CODE_8] = ADB_KEY_8,
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[Q_KEY_CODE_9] = ADB_KEY_9,
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[Q_KEY_CODE_0] = ADB_KEY_0,
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[Q_KEY_CODE_MINUS] = ADB_KEY_MINUS,
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[Q_KEY_CODE_EQUAL] = ADB_KEY_EQUAL,
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[Q_KEY_CODE_BACKSPACE] = ADB_KEY_DELETE,
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[Q_KEY_CODE_TAB] = ADB_KEY_TAB,
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[Q_KEY_CODE_Q] = ADB_KEY_Q,
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[Q_KEY_CODE_W] = ADB_KEY_W,
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[Q_KEY_CODE_E] = ADB_KEY_E,
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[Q_KEY_CODE_R] = ADB_KEY_R,
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[Q_KEY_CODE_T] = ADB_KEY_T,
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[Q_KEY_CODE_Y] = ADB_KEY_Y,
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[Q_KEY_CODE_U] = ADB_KEY_U,
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[Q_KEY_CODE_I] = ADB_KEY_I,
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[Q_KEY_CODE_O] = ADB_KEY_O,
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[Q_KEY_CODE_P] = ADB_KEY_P,
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[Q_KEY_CODE_BRACKET_LEFT] = ADB_KEY_LEFT_BRACKET,
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[Q_KEY_CODE_BRACKET_RIGHT] = ADB_KEY_RIGHT_BRACKET,
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[Q_KEY_CODE_RET] = ADB_KEY_RETURN,
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[Q_KEY_CODE_A] = ADB_KEY_A,
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[Q_KEY_CODE_S] = ADB_KEY_S,
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[Q_KEY_CODE_D] = ADB_KEY_D,
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[Q_KEY_CODE_F] = ADB_KEY_F,
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[Q_KEY_CODE_G] = ADB_KEY_G,
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[Q_KEY_CODE_H] = ADB_KEY_H,
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[Q_KEY_CODE_J] = ADB_KEY_J,
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[Q_KEY_CODE_K] = ADB_KEY_K,
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[Q_KEY_CODE_L] = ADB_KEY_L,
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[Q_KEY_CODE_SEMICOLON] = ADB_KEY_SEMICOLON,
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[Q_KEY_CODE_APOSTROPHE] = ADB_KEY_APOSTROPHE,
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[Q_KEY_CODE_GRAVE_ACCENT] = ADB_KEY_GRAVE_ACCENT,
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[Q_KEY_CODE_BACKSLASH] = ADB_KEY_BACKSLASH,
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[Q_KEY_CODE_Z] = ADB_KEY_Z,
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[Q_KEY_CODE_X] = ADB_KEY_X,
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[Q_KEY_CODE_C] = ADB_KEY_C,
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[Q_KEY_CODE_V] = ADB_KEY_V,
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[Q_KEY_CODE_B] = ADB_KEY_B,
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[Q_KEY_CODE_N] = ADB_KEY_N,
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[Q_KEY_CODE_M] = ADB_KEY_M,
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[Q_KEY_CODE_COMMA] = ADB_KEY_COMMA,
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[Q_KEY_CODE_DOT] = ADB_KEY_PERIOD,
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[Q_KEY_CODE_SLASH] = ADB_KEY_FORWARD_SLASH,
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[Q_KEY_CODE_ASTERISK] = ADB_KEY_KP_MULTIPLY,
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[Q_KEY_CODE_CAPS_LOCK] = ADB_KEY_CAPS_LOCK,
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[Q_KEY_CODE_F1] = ADB_KEY_F1,
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[Q_KEY_CODE_F2] = ADB_KEY_F2,
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[Q_KEY_CODE_F3] = ADB_KEY_F3,
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[Q_KEY_CODE_F4] = ADB_KEY_F4,
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[Q_KEY_CODE_F5] = ADB_KEY_F5,
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[Q_KEY_CODE_F6] = ADB_KEY_F6,
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[Q_KEY_CODE_F7] = ADB_KEY_F7,
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[Q_KEY_CODE_F8] = ADB_KEY_F8,
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[Q_KEY_CODE_F9] = ADB_KEY_F9,
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[Q_KEY_CODE_F10] = ADB_KEY_F10,
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[Q_KEY_CODE_F11] = ADB_KEY_F11,
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[Q_KEY_CODE_F12] = ADB_KEY_F12,
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[Q_KEY_CODE_PRINT] = ADB_KEY_F13,
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[Q_KEY_CODE_SYSRQ] = ADB_KEY_F13,
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[Q_KEY_CODE_SCROLL_LOCK] = ADB_KEY_F14,
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[Q_KEY_CODE_PAUSE] = ADB_KEY_F15,
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[Q_KEY_CODE_NUM_LOCK] = ADB_KEY_KP_CLEAR,
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[Q_KEY_CODE_KP_EQUALS] = ADB_KEY_KP_EQUAL,
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[Q_KEY_CODE_KP_DIVIDE] = ADB_KEY_KP_DIVIDE,
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[Q_KEY_CODE_KP_MULTIPLY] = ADB_KEY_KP_MULTIPLY,
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[Q_KEY_CODE_KP_SUBTRACT] = ADB_KEY_KP_SUBTRACT,
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[Q_KEY_CODE_KP_ADD] = ADB_KEY_KP_PLUS,
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[Q_KEY_CODE_KP_ENTER] = ADB_KEY_KP_ENTER,
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[Q_KEY_CODE_KP_DECIMAL] = ADB_KEY_KP_PERIOD,
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[Q_KEY_CODE_KP_0] = ADB_KEY_KP_0,
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[Q_KEY_CODE_KP_1] = ADB_KEY_KP_1,
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[Q_KEY_CODE_KP_2] = ADB_KEY_KP_2,
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[Q_KEY_CODE_KP_3] = ADB_KEY_KP_3,
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[Q_KEY_CODE_KP_4] = ADB_KEY_KP_4,
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[Q_KEY_CODE_KP_5] = ADB_KEY_KP_5,
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[Q_KEY_CODE_KP_6] = ADB_KEY_KP_6,
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[Q_KEY_CODE_KP_7] = ADB_KEY_KP_7,
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[Q_KEY_CODE_KP_8] = ADB_KEY_KP_8,
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[Q_KEY_CODE_KP_9] = ADB_KEY_KP_9,
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[Q_KEY_CODE_UP] = ADB_KEY_UP,
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[Q_KEY_CODE_DOWN] = ADB_KEY_DOWN,
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[Q_KEY_CODE_LEFT] = ADB_KEY_LEFT,
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[Q_KEY_CODE_RIGHT] = ADB_KEY_RIGHT,
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[Q_KEY_CODE_HELP] = ADB_KEY_HELP,
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[Q_KEY_CODE_INSERT] = ADB_KEY_HELP,
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[Q_KEY_CODE_DELETE] = ADB_KEY_FORWARD_DELETE,
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[Q_KEY_CODE_HOME] = ADB_KEY_HOME,
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[Q_KEY_CODE_END] = ADB_KEY_END,
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[Q_KEY_CODE_PGUP] = ADB_KEY_PAGE_UP,
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[Q_KEY_CODE_PGDN] = ADB_KEY_PAGE_DOWN,
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[Q_KEY_CODE_POWER] = ADB_KEY_POWER
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};
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static void adb_kbd_put_keycode(void *opaque, int keycode)
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{
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KBDState *s = opaque;
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if (s->count < sizeof(s->data)) {
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s->data[s->wptr] = keycode;
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if (++s->wptr == sizeof(s->data)) {
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s->wptr = 0;
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}
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s->count++;
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}
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}
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static int adb_kbd_poll(ADBDevice *d, uint8_t *obuf)
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{
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KBDState *s = ADB_KEYBOARD(d);
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int keycode;
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int olen;
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olen = 0;
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if (s->count == 0) {
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return 0;
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}
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keycode = s->data[s->rptr];
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s->rptr++;
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if (s->rptr == sizeof(s->data)) {
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s->rptr = 0;
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}
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s->count--;
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/*
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* The power key is the only two byte value key, so it is a special case.
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* Since 0x7f is not a used keycode for ADB we overload it to indicate the
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* power button when we're storing keycodes in our internal buffer, and
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* expand it out to two bytes when we send to the guest.
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*/
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if (keycode == 0x7f) {
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obuf[0] = 0x7f;
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obuf[1] = 0x7f;
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olen = 2;
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} else {
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obuf[0] = keycode;
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/* NOTE: the power key key-up is the two byte sequence 0xff 0xff;
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* otherwise we could in theory send a second keycode in the second
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* byte, but choose not to bother.
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*/
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obuf[1] = 0xff;
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olen = 2;
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}
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return olen;
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}
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static int adb_kbd_request(ADBDevice *d, uint8_t *obuf,
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const uint8_t *buf, int len)
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{
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KBDState *s = ADB_KEYBOARD(d);
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int cmd, reg, olen;
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if ((buf[0] & 0x0f) == ADB_FLUSH) {
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/* flush keyboard fifo */
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s->wptr = s->rptr = s->count = 0;
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return 0;
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}
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cmd = buf[0] & 0xc;
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reg = buf[0] & 0x3;
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olen = 0;
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switch (cmd) {
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case ADB_WRITEREG:
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trace_adb_kbd_writereg(reg, buf[1]);
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switch (reg) {
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case 2:
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/* LED status */
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break;
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case 3:
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switch (buf[2]) {
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case ADB_CMD_SELF_TEST:
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break;
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case ADB_CMD_CHANGE_ID:
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case ADB_CMD_CHANGE_ID_AND_ACT:
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case ADB_CMD_CHANGE_ID_AND_ENABLE:
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d->devaddr = buf[1] & 0xf;
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trace_adb_kbd_request_change_addr(d->devaddr);
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break;
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default:
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if (!d->disable_direct_reg3_writes) {
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d->devaddr = buf[1] & 0xf;
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/* we support handlers:
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* 1: Apple Standard Keyboard
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* 2: Apple Extended Keyboard (LShift = RShift)
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* 3: Apple Extended Keyboard (LShift != RShift)
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*/
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if (buf[2] == 1 || buf[2] == 2 || buf[2] == 3) {
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d->handler = buf[2];
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}
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trace_adb_kbd_request_change_addr_and_handler(d->devaddr,
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d->handler);
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}
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break;
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}
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}
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break;
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case ADB_READREG:
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switch (reg) {
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case 0:
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olen = adb_kbd_poll(d, obuf);
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break;
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case 1:
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break;
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case 2:
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obuf[0] = 0x00; /* XXX: check this */
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obuf[1] = 0x07; /* led status */
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olen = 2;
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break;
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case 3:
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obuf[0] = d->devaddr;
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obuf[1] = d->handler;
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olen = 2;
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break;
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}
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trace_adb_kbd_readreg(reg, obuf[0], obuf[1]);
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break;
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}
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return olen;
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}
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/* This is where keyboard events enter this file */
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static void adb_keyboard_event(DeviceState *dev, QemuConsole *src,
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InputEvent *evt)
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{
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KBDState *s = (KBDState *)dev;
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int qcode, keycode;
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qcode = qemu_input_key_value_to_qcode(evt->u.key.data->key);
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if (qcode >= ARRAY_SIZE(qcode_to_adb_keycode)) {
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return;
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}
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/* FIXME: take handler into account when translating qcode */
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keycode = qcode_to_adb_keycode[qcode];
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if (keycode == NO_KEY) { /* We don't want to send this to the guest */
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trace_adb_kbd_no_key();
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return;
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}
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if (evt->u.key.data->down == false) { /* if key release event */
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keycode = keycode | 0x80; /* create keyboard break code */
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}
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adb_kbd_put_keycode(s, keycode);
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}
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static const VMStateDescription vmstate_adb_kbd = {
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.name = "adb_kbd",
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.version_id = 2,
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.minimum_version_id = 2,
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.fields = (VMStateField[]) {
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VMSTATE_STRUCT(parent_obj, KBDState, 0, vmstate_adb_device, ADBDevice),
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VMSTATE_BUFFER(data, KBDState),
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VMSTATE_INT32(rptr, KBDState),
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VMSTATE_INT32(wptr, KBDState),
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VMSTATE_INT32(count, KBDState),
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VMSTATE_END_OF_LIST()
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}
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};
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static void adb_kbd_reset(DeviceState *dev)
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{
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ADBDevice *d = ADB_DEVICE(dev);
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KBDState *s = ADB_KEYBOARD(dev);
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d->handler = 1;
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d->devaddr = ADB_DEVID_KEYBOARD;
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memset(s->data, 0, sizeof(s->data));
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s->rptr = 0;
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s->wptr = 0;
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s->count = 0;
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}
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static QemuInputHandler adb_keyboard_handler = {
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.name = "QEMU ADB Keyboard",
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.mask = INPUT_EVENT_MASK_KEY,
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.event = adb_keyboard_event,
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};
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static void adb_kbd_realizefn(DeviceState *dev, Error **errp)
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{
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ADBKeyboardClass *akc = ADB_KEYBOARD_GET_CLASS(dev);
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akc->parent_realize(dev, errp);
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qemu_input_handler_register(dev, &adb_keyboard_handler);
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}
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static void adb_kbd_initfn(Object *obj)
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{
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ADBDevice *d = ADB_DEVICE(obj);
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d->devaddr = ADB_DEVID_KEYBOARD;
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}
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static void adb_kbd_class_init(ObjectClass *oc, void *data)
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{
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DeviceClass *dc = DEVICE_CLASS(oc);
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ADBDeviceClass *adc = ADB_DEVICE_CLASS(oc);
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ADBKeyboardClass *akc = ADB_KEYBOARD_CLASS(oc);
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device_class_set_parent_realize(dc, adb_kbd_realizefn,
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&akc->parent_realize);
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set_bit(DEVICE_CATEGORY_INPUT, dc->categories);
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adc->devreq = adb_kbd_request;
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dc->reset = adb_kbd_reset;
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dc->vmsd = &vmstate_adb_kbd;
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}
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static const TypeInfo adb_kbd_type_info = {
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.name = TYPE_ADB_KEYBOARD,
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.parent = TYPE_ADB_DEVICE,
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.instance_size = sizeof(KBDState),
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.instance_init = adb_kbd_initfn,
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.class_init = adb_kbd_class_init,
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.class_size = sizeof(ADBKeyboardClass),
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};
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static void adb_kbd_register_types(void)
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{
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type_register_static(&adb_kbd_type_info);
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}
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type_init(adb_kbd_register_types)
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