| /* | |
| * QEMU PS/2 keyboard/mouse emulation | |
| * | |
| * Copyright (c) 2003 Fabrice Bellard | |
| * | |
| * Permission is hereby granted, free of charge, to any person obtaining a copy | |
| * of this software and associated documentation files (the "Software"), to deal | |
| * in the Software without restriction, including without limitation the rights | |
| * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | |
| * copies of the Software, and to permit persons to whom the Software is | |
| * furnished to do so, subject to the following conditions: | |
| * | |
| * The above copyright notice and this permission notice shall be included in | |
| * all copies or substantial portions of the Software. | |
| * | |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
| * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
| * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL | |
| * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | |
| * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | |
| * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN | |
| * THE SOFTWARE. | |
| */ | |
| #include "qemu/osdep.h" | |
| #include "qemu/log.h" | |
| #include "hw/core/irq.h" | |
| #include "hw/core/sysbus.h" | |
| #include "hw/input/ps2.h" | |
| #include "migration/vmstate.h" | |
| #include "standard-headers/linux/input-event-codes.h" | |
| #include "ui/console.h" | |
| #include "ui/input.h" | |
| #include "system/reset.h" | |
| #include "system/runstate.h" | |
| #include "qapi/error.h" | |
| #include "trace.h" | |
| /* Keyboard Commands */ | |
| #define KBD_CMD_SET_LEDS 0xED /* Set keyboard leds */ | |
| #define KBD_CMD_ECHO 0xEE | |
| #define KBD_CMD_SCANCODE 0xF0 /* Get/set scancode set */ | |
| #define KBD_CMD_GET_ID 0xF2 /* get keyboard ID */ | |
| #define KBD_CMD_SET_RATE 0xF3 /* Set typematic rate */ | |
| #define KBD_CMD_ENABLE 0xF4 /* Enable scanning */ | |
| #define KBD_CMD_RESET_DISABLE 0xF5 /* reset and disable scanning */ | |
| #define KBD_CMD_RESET_ENABLE 0xF6 /* reset and enable scanning */ | |
| #define KBD_CMD_RESET 0xFF /* Reset */ | |
| #define KBD_CMD_SET_MAKE_BREAK 0xFC /* Set Make and Break mode */ | |
| #define KBD_CMD_SET_TYPEMATIC 0xFA /* Set Typematic Make and Break mode */ | |
| /* Keyboard Replies */ | |
| #define KBD_REPLY_POR 0xAA /* Power on reset */ | |
| #define KBD_REPLY_ID 0xAB /* Keyboard ID */ | |
| #define KBD_REPLY_ACK 0xFA /* Command ACK */ | |
| #define KBD_REPLY_RESEND 0xFE /* Command NACK, send the cmd again */ | |
| /* Mouse Commands */ | |
| #define AUX_SET_SCALE11 0xE6 /* Set 1:1 scaling */ | |
| #define AUX_SET_SCALE21 0xE7 /* Set 2:1 scaling */ | |
| #define AUX_SET_RES 0xE8 /* Set resolution */ | |
| #define AUX_GET_SCALE 0xE9 /* Get scaling factor */ | |
| #define AUX_SET_STREAM 0xEA /* Set stream mode */ | |
| #define AUX_POLL 0xEB /* Poll */ | |
| #define AUX_RESET_WRAP 0xEC /* Reset wrap mode */ | |
| #define AUX_SET_WRAP 0xEE /* Set wrap mode */ | |
| #define AUX_SET_REMOTE 0xF0 /* Set remote mode */ | |
| #define AUX_GET_TYPE 0xF2 /* Get type */ | |
| #define AUX_SET_SAMPLE 0xF3 /* Set sample rate */ | |
| #define AUX_ENABLE_DEV 0xF4 /* Enable aux device */ | |
| #define AUX_DISABLE_DEV 0xF5 /* Disable aux device */ | |
| #define AUX_SET_DEFAULT 0xF6 | |
| #define AUX_RESET 0xFF /* Reset aux device */ | |
| #define AUX_ACK 0xFA /* Command byte ACK. */ | |
| #define AUX_RESEND 0xFE /* Command NACK, send the cmd again */ | |
| #define MOUSE_STATUS_REMOTE 0x40 | |
| #define MOUSE_STATUS_ENABLED 0x20 | |
| #define MOUSE_STATUS_SCALE21 0x10 | |
| #define PS2_QUEUE_SIZE 16 /* Queue size required by PS/2 protocol */ | |
| #define PS2_QUEUE_HEADROOM 8 /* Queue size for keyboard command replies */ | |
| /* Bits for 'modifiers' field in PS2KbdState */ | |
| #define MOD_CTRL_L (1 << 0) | |
| #define MOD_SHIFT_L (1 << 1) | |
| #define MOD_ALT_L (1 << 2) | |
| #define MOD_CTRL_R (1 << 3) | |
| #define MOD_SHIFT_R (1 << 4) | |
| #define MOD_ALT_R (1 << 5) | |
| static uint8_t translate_table[256] = { | |
| 0xff, 0x43, 0x41, 0x3f, 0x3d, 0x3b, 0x3c, 0x58, | |
| 0x64, 0x44, 0x42, 0x40, 0x3e, 0x0f, 0x29, 0x59, | |
| 0x65, 0x38, 0x2a, 0x70, 0x1d, 0x10, 0x02, 0x5a, | |
| 0x66, 0x71, 0x2c, 0x1f, 0x1e, 0x11, 0x03, 0x5b, | |
| 0x67, 0x2e, 0x2d, 0x20, 0x12, 0x05, 0x04, 0x5c, | |
| 0x68, 0x39, 0x2f, 0x21, 0x14, 0x13, 0x06, 0x5d, | |
| 0x69, 0x31, 0x30, 0x23, 0x22, 0x15, 0x07, 0x5e, | |
| 0x6a, 0x72, 0x32, 0x24, 0x16, 0x08, 0x09, 0x5f, | |
| 0x6b, 0x33, 0x25, 0x17, 0x18, 0x0b, 0x0a, 0x60, | |
| 0x6c, 0x34, 0x35, 0x26, 0x27, 0x19, 0x0c, 0x61, | |
| 0x6d, 0x73, 0x28, 0x74, 0x1a, 0x0d, 0x62, 0x6e, | |
| 0x3a, 0x36, 0x1c, 0x1b, 0x75, 0x2b, 0x63, 0x76, | |
| 0x55, 0x56, 0x77, 0x78, 0x79, 0x7a, 0x0e, 0x7b, | |
| 0x7c, 0x4f, 0x7d, 0x4b, 0x47, 0x7e, 0x7f, 0x6f, | |
| 0x52, 0x53, 0x50, 0x4c, 0x4d, 0x48, 0x01, 0x45, | |
| 0x57, 0x4e, 0x51, 0x4a, 0x37, 0x49, 0x46, 0x54, | |
| 0x80, 0x81, 0x82, 0x41, 0x54, 0x85, 0x86, 0x87, | |
| 0x88, 0x89, 0x8a, 0x8b, 0x8c, 0x8d, 0x8e, 0x8f, | |
| 0x90, 0x91, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97, | |
| 0x98, 0x99, 0x9a, 0x9b, 0x9c, 0x9d, 0x9e, 0x9f, | |
| 0xa0, 0xa1, 0xa2, 0xa3, 0xa4, 0xa5, 0xa6, 0xa7, | |
| 0xa8, 0xa9, 0xaa, 0xab, 0xac, 0xad, 0xae, 0xaf, | |
| 0xb0, 0xb1, 0xb2, 0xb3, 0xb4, 0xb5, 0xb6, 0xb7, | |
| 0xb8, 0xb9, 0xba, 0xbb, 0xbc, 0xbd, 0xbe, 0xbf, | |
| 0xc0, 0xc1, 0xc2, 0xc3, 0xc4, 0xc5, 0xc6, 0xc7, | |
| 0xc8, 0xc9, 0xca, 0xcb, 0xcc, 0xcd, 0xce, 0xcf, | |
| 0xd0, 0xd1, 0xd2, 0xd3, 0xd4, 0xd5, 0xd6, 0xd7, | |
| 0xd8, 0xd9, 0xda, 0xdb, 0xdc, 0xdd, 0xde, 0xdf, | |
| 0xe0, 0xe1, 0xe2, 0xe3, 0xe4, 0xe5, 0xe6, 0xe7, | |
| 0xe8, 0xe9, 0xea, 0xeb, 0xec, 0xed, 0xee, 0xef, | |
| 0xf0, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7, | |
| 0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0xff, | |
| }; | |
| static unsigned int ps2_modifier_bit(unsigned int key) | |
| { | |
| switch (key) { | |
| case KEY_LEFTCTRL: | |
| return MOD_CTRL_L; | |
| case KEY_RIGHTCTRL: | |
| return MOD_CTRL_R; | |
| case KEY_LEFTSHIFT: | |
| return MOD_SHIFT_L; | |
| case KEY_RIGHTSHIFT: | |
| return MOD_SHIFT_R; | |
| case KEY_LEFTALT: | |
| return MOD_ALT_L; | |
| case KEY_RIGHTALT: | |
| return MOD_ALT_R; | |
| default: | |
| return 0; | |
| } | |
| } | |
| static void ps2_reset_queue(PS2State *s) | |
| { | |
| PS2Queue *q = &s->queue; | |
| q->rptr = 0; | |
| q->wptr = 0; | |
| q->cwptr = -1; | |
| q->count = 0; | |
| } | |
| int ps2_queue_empty(PS2State *s) | |
| { | |
| return s->queue.count == 0; | |
| } | |
| void ps2_queue_noirq(PS2State *s, int b) | |
| { | |
| PS2Queue *q = &s->queue; | |
| if (q->count >= PS2_QUEUE_SIZE) { | |
| return; | |
| } | |
| q->data[q->wptr] = b; | |
| if (++q->wptr == PS2_BUFFER_SIZE) { | |
| q->wptr = 0; | |
| } | |
| q->count++; | |
| } | |
| static void ps2_raise_irq(PS2State *s) | |
| { | |
| qemu_set_irq(s->irq, 1); | |
| } | |
| static void ps2_lower_irq(PS2State *s) | |
| { | |
| qemu_set_irq(s->irq, 0); | |
| } | |
| void ps2_queue(PS2State *s, int b) | |
| { | |
| if (PS2_QUEUE_SIZE - s->queue.count < 1) { | |
| return; | |
| } | |
| ps2_queue_noirq(s, b); | |
| ps2_raise_irq(s); | |
| } | |
| void ps2_queue_2(PS2State *s, int b1, int b2) | |
| { | |
| if (PS2_QUEUE_SIZE - s->queue.count < 2) { | |
| return; | |
| } | |
| ps2_queue_noirq(s, b1); | |
| ps2_queue_noirq(s, b2); | |
| ps2_raise_irq(s); | |
| } | |
| void ps2_queue_3(PS2State *s, int b1, int b2, int b3) | |
| { | |
| if (PS2_QUEUE_SIZE - s->queue.count < 3) { | |
| return; | |
| } | |
| ps2_queue_noirq(s, b1); | |
| ps2_queue_noirq(s, b2); | |
| ps2_queue_noirq(s, b3); | |
| ps2_raise_irq(s); | |
| } | |
| void ps2_queue_4(PS2State *s, int b1, int b2, int b3, int b4) | |
| { | |
| if (PS2_QUEUE_SIZE - s->queue.count < 4) { | |
| return; | |
| } | |
| ps2_queue_noirq(s, b1); | |
| ps2_queue_noirq(s, b2); | |
| ps2_queue_noirq(s, b3); | |
| ps2_queue_noirq(s, b4); | |
| ps2_raise_irq(s); | |
| } | |
| static void ps2_cqueue_data(PS2Queue *q, int b) | |
| { | |
| q->data[q->cwptr] = b; | |
| if (++q->cwptr >= PS2_BUFFER_SIZE) { | |
| q->cwptr = 0; | |
| } | |
| q->count++; | |
| } | |
| static void ps2_cqueue_1(PS2State *s, int b1) | |
| { | |
| PS2Queue *q = &s->queue; | |
| q->rptr = (q->rptr - 1) & (PS2_BUFFER_SIZE - 1); | |
| q->cwptr = q->rptr; | |
| ps2_cqueue_data(q, b1); | |
| ps2_raise_irq(s); | |
| } | |
| static void ps2_cqueue_2(PS2State *s, int b1, int b2) | |
| { | |
| PS2Queue *q = &s->queue; | |
| q->rptr = (q->rptr - 2) & (PS2_BUFFER_SIZE - 1); | |
| q->cwptr = q->rptr; | |
| ps2_cqueue_data(q, b1); | |
| ps2_cqueue_data(q, b2); | |
| ps2_raise_irq(s); | |
| } | |
| static void ps2_cqueue_3(PS2State *s, int b1, int b2, int b3) | |
| { | |
| PS2Queue *q = &s->queue; | |
| q->rptr = (q->rptr - 3) & (PS2_BUFFER_SIZE - 1); | |
| q->cwptr = q->rptr; | |
| ps2_cqueue_data(q, b1); | |
| ps2_cqueue_data(q, b2); | |
| ps2_cqueue_data(q, b3); | |
| ps2_raise_irq(s); | |
| } | |
| static void ps2_cqueue_reset(PS2State *s) | |
| { | |
| PS2Queue *q = &s->queue; | |
| int ccount; | |
| if (q->cwptr == -1) { | |
| return; | |
| } | |
| ccount = (q->cwptr - q->rptr) & (PS2_BUFFER_SIZE - 1); | |
| q->count -= ccount; | |
| q->rptr = q->cwptr; | |
| q->cwptr = -1; | |
| } | |
| /* keycode is the untranslated scancode in the current scancode set. */ | |
| static void ps2_put_keycode(void *opaque, int keycode) | |
| { | |
| PS2KbdState *s = opaque; | |
| PS2State *ps = PS2_DEVICE(s); | |
| trace_ps2_put_keycode(opaque, keycode); | |
| qemu_system_wakeup_request(QEMU_WAKEUP_REASON_OTHER, NULL); | |
| if (s->translate) { | |
| if (keycode == 0xf0) { | |
| s->need_high_bit = true; | |
| } else if (s->need_high_bit) { | |
| ps2_queue(ps, translate_table[keycode] | 0x80); | |
| s->need_high_bit = false; | |
| } else { | |
| ps2_queue(ps, translate_table[keycode]); | |
| } | |
| } else { | |
| ps2_queue(ps, keycode); | |
| } | |
| } | |
| static void ps2_keyboard_event(DeviceState *dev, QemuConsole *src, | |
| QemuInputEvent *evt) | |
| { | |
| PS2KbdState *s = (PS2KbdState *)dev; | |
| uint16_t keycode = 0; | |
| int mod; | |
| /* do not process events while disabled to prevent stream corruption */ | |
| if (!s->scan_enabled) { | |
| return; | |
| } | |
| qemu_system_wakeup_request(QEMU_WAKEUP_REASON_OTHER, NULL); | |
| assert(evt->type == INPUT_EVENT_KIND_KEY); | |
| mod = ps2_modifier_bit(evt->key.key); | |
| trace_ps2_keyboard_event(s, evt->key.key, evt->key.down, mod, | |
| s->modifiers, s->scancode_set, s->translate); | |
| if (evt->key.down) { | |
| s->modifiers |= mod; | |
| } else { | |
| s->modifiers &= ~mod; | |
| } | |
| if (s->scancode_set == 1) { | |
| if (evt->key.key == KEY_PAUSE) { | |
| if (s->modifiers & (MOD_CTRL_L | MOD_CTRL_R)) { | |
| if (evt->key.down) { | |
| ps2_put_keycode(s, 0xe0); | |
| ps2_put_keycode(s, 0x46); | |
| ps2_put_keycode(s, 0xe0); | |
| ps2_put_keycode(s, 0xc6); | |
| } | |
| } else { | |
| if (evt->key.down) { | |
| ps2_put_keycode(s, 0xe1); | |
| ps2_put_keycode(s, 0x1d); | |
| ps2_put_keycode(s, 0x45); | |
| ps2_put_keycode(s, 0xe1); | |
| ps2_put_keycode(s, 0x9d); | |
| ps2_put_keycode(s, 0xc5); | |
| } | |
| } | |
| } else if (evt->key.key == KEY_SYSRQ) { | |
| if (s->modifiers & MOD_ALT_L) { | |
| if (evt->key.down) { | |
| ps2_put_keycode(s, 0xb8); | |
| ps2_put_keycode(s, 0x38); | |
| ps2_put_keycode(s, 0x54); | |
| } else { | |
| ps2_put_keycode(s, 0xd4); | |
| ps2_put_keycode(s, 0xb8); | |
| ps2_put_keycode(s, 0x38); | |
| } | |
| } else if (s->modifiers & MOD_ALT_R) { | |
| if (evt->key.down) { | |
| ps2_put_keycode(s, 0xe0); | |
| ps2_put_keycode(s, 0xb8); | |
| ps2_put_keycode(s, 0xe0); | |
| ps2_put_keycode(s, 0x38); | |
| ps2_put_keycode(s, 0x54); | |
| } else { | |
| ps2_put_keycode(s, 0xd4); | |
| ps2_put_keycode(s, 0xe0); | |
| ps2_put_keycode(s, 0xb8); | |
| ps2_put_keycode(s, 0xe0); | |
| ps2_put_keycode(s, 0x38); | |
| } | |
| } else if (s->modifiers & (MOD_SHIFT_L | MOD_CTRL_L | | |
| MOD_SHIFT_R | MOD_CTRL_R)) { | |
| if (evt->key.down) { | |
| ps2_put_keycode(s, 0xe0); | |
| ps2_put_keycode(s, 0x37); | |
| } else { | |
| ps2_put_keycode(s, 0xe0); | |
| ps2_put_keycode(s, 0xb7); | |
| } | |
| } else { | |
| if (evt->key.down) { | |
| ps2_put_keycode(s, 0xe0); | |
| ps2_put_keycode(s, 0x2a); | |
| ps2_put_keycode(s, 0xe0); | |
| ps2_put_keycode(s, 0x37); | |
| } else { | |
| ps2_put_keycode(s, 0xe0); | |
| ps2_put_keycode(s, 0xb7); | |
| ps2_put_keycode(s, 0xe0); | |
| ps2_put_keycode(s, 0xaa); | |
| } | |
| } | |
| } else if ((evt->key.key == KEY_HANGEUL || evt->key.key == KEY_HANJA) | |
| && !evt->key.down) { | |
| /* Ignore release for these keys */ | |
| } else { | |
| if (evt->key.key < qemu_input_map_linux_to_atset1_len) { | |
| keycode = qemu_input_map_linux_to_atset1[evt->key.key]; | |
| } | |
| if (keycode) { | |
| if (keycode & 0xff00) { | |
| ps2_put_keycode(s, keycode >> 8); | |
| } | |
| if (!evt->key.down) { | |
| keycode |= 0x80; | |
| } | |
| ps2_put_keycode(s, keycode & 0xff); | |
| } else { | |
| qemu_log_mask(LOG_UNIMP, | |
| "ps2: ignoring key %u\n", evt->key.key); | |
| } | |
| } | |
| } else if (s->scancode_set == 2) { | |
| if (evt->key.key == KEY_PAUSE) { | |
| if (s->modifiers & (MOD_CTRL_L | MOD_CTRL_R)) { | |
| if (evt->key.down) { | |
| ps2_put_keycode(s, 0xe0); | |
| ps2_put_keycode(s, 0x7e); | |
| ps2_put_keycode(s, 0xe0); | |
| ps2_put_keycode(s, 0xf0); | |
| ps2_put_keycode(s, 0x7e); | |
| } | |
| } else { | |
| if (evt->key.down) { | |
| ps2_put_keycode(s, 0xe1); | |
| ps2_put_keycode(s, 0x14); | |
| ps2_put_keycode(s, 0x77); | |
| ps2_put_keycode(s, 0xe1); | |
| ps2_put_keycode(s, 0xf0); | |
| ps2_put_keycode(s, 0x14); | |
| ps2_put_keycode(s, 0xf0); | |
| ps2_put_keycode(s, 0x77); | |
| } | |
| } | |
| } else if (evt->key.key == KEY_SYSRQ) { | |
| if (s->modifiers & MOD_ALT_L) { | |
| if (evt->key.down) { | |
| ps2_put_keycode(s, 0xf0); | |
| ps2_put_keycode(s, 0x11); | |
| ps2_put_keycode(s, 0x11); | |
| ps2_put_keycode(s, 0x84); | |
| } else { | |
| ps2_put_keycode(s, 0xf0); | |
| ps2_put_keycode(s, 0x84); | |
| ps2_put_keycode(s, 0xf0); | |
| ps2_put_keycode(s, 0x11); | |
| ps2_put_keycode(s, 0x11); | |
| } | |
| } else if (s->modifiers & MOD_ALT_R) { | |
| if (evt->key.down) { | |
| ps2_put_keycode(s, 0xe0); | |
| ps2_put_keycode(s, 0xf0); | |
| ps2_put_keycode(s, 0x11); | |
| ps2_put_keycode(s, 0xe0); | |
| ps2_put_keycode(s, 0x11); | |
| ps2_put_keycode(s, 0x84); | |
| } else { | |
| ps2_put_keycode(s, 0xf0); | |
| ps2_put_keycode(s, 0x84); | |
| ps2_put_keycode(s, 0xe0); | |
| ps2_put_keycode(s, 0xf0); | |
| ps2_put_keycode(s, 0x11); | |
| ps2_put_keycode(s, 0xe0); | |
| ps2_put_keycode(s, 0x11); | |
| } | |
| } else if (s->modifiers & (MOD_SHIFT_L | MOD_CTRL_L | | |
| MOD_SHIFT_R | MOD_CTRL_R)) { | |
| if (evt->key.down) { | |
| ps2_put_keycode(s, 0xe0); | |
| ps2_put_keycode(s, 0x7c); | |
| } else { | |
| ps2_put_keycode(s, 0xe0); | |
| ps2_put_keycode(s, 0xf0); | |
| ps2_put_keycode(s, 0x7c); | |
| } | |
| } else { | |
| if (evt->key.down) { | |
| ps2_put_keycode(s, 0xe0); | |
| ps2_put_keycode(s, 0x12); | |
| ps2_put_keycode(s, 0xe0); | |
| ps2_put_keycode(s, 0x7c); | |
| } else { | |
| ps2_put_keycode(s, 0xe0); | |
| ps2_put_keycode(s, 0xf0); | |
| ps2_put_keycode(s, 0x7c); | |
| ps2_put_keycode(s, 0xe0); | |
| ps2_put_keycode(s, 0xf0); | |
| ps2_put_keycode(s, 0x12); | |
| } | |
| } | |
| } else if ((evt->key.key == KEY_HANGEUL || evt->key.key == KEY_HANJA) && | |
| !evt->key.down) { | |
| /* Ignore release for these keys */ | |
| } else { | |
| if (evt->key.key < qemu_input_map_linux_to_atset2_len) { | |
| keycode = qemu_input_map_linux_to_atset2[evt->key.key]; | |
| } | |
| if (keycode) { | |
| if (keycode & 0xff00) { | |
| ps2_put_keycode(s, keycode >> 8); | |
| } | |
| if (!evt->key.down) { | |
| ps2_put_keycode(s, 0xf0); | |
| } | |
| ps2_put_keycode(s, keycode & 0xff); | |
| } else { | |
| qemu_log_mask(LOG_UNIMP, | |
| "ps2: ignoring key %u\n", evt->key.key); | |
| } | |
| } | |
| } else if (s->scancode_set == 3) { | |
| if (evt->key.key < qemu_input_map_linux_to_atset3_len) { | |
| keycode = qemu_input_map_linux_to_atset3[evt->key.key]; | |
| } | |
| if (keycode) { | |
| /* FIXME: break code should be configured on a key by key basis */ | |
| if (!evt->key.down) { | |
| ps2_put_keycode(s, 0xf0); | |
| } | |
| ps2_put_keycode(s, keycode); | |
| } else { | |
| qemu_log_mask(LOG_UNIMP, | |
| "ps2: ignoring key %u\n", evt->key.key); | |
| } | |
| } | |
| } | |
| uint32_t ps2_read_data(PS2State *s) | |
| { | |
| PS2Queue *q; | |
| int val, index; | |
| trace_ps2_read_data(s); | |
| q = &s->queue; | |
| if (q->count == 0) { | |
| /* | |
| * NOTE: if no data left, we return the last keyboard one | |
| * (needed for EMM386) | |
| */ | |
| /* XXX: need a timer to do things correctly */ | |
| index = q->rptr - 1; | |
| if (index < 0) { | |
| index = PS2_BUFFER_SIZE - 1; | |
| } | |
| val = q->data[index]; | |
| } else { | |
| val = q->data[q->rptr]; | |
| if (++q->rptr == PS2_BUFFER_SIZE) { | |
| q->rptr = 0; | |
| } | |
| q->count--; | |
| if (q->rptr == q->cwptr) { | |
| /* command reply queue is empty */ | |
| q->cwptr = -1; | |
| } | |
| /* reading deasserts IRQ */ | |
| ps2_lower_irq(s); | |
| /* reassert IRQs if data left */ | |
| if (q->count) { | |
| ps2_raise_irq(s); | |
| } | |
| } | |
| return val; | |
| } | |
| static void ps2_set_ledstate(PS2KbdState *s, int ledstate) | |
| { | |
| trace_ps2_set_ledstate(s, ledstate); | |
| s->ledstate = ledstate; | |
| qemu_input_handler_set_leds_mask(PS2_DEVICE(s)->hs, ledstate); | |
| } | |
| static void ps2_reset_keyboard(PS2KbdState *s) | |
| { | |
| PS2State *ps2 = PS2_DEVICE(s); | |
| trace_ps2_reset_keyboard(s); | |
| s->scan_enabled = 1; | |
| s->scancode_set = 2; | |
| ps2_reset_queue(ps2); | |
| ps2_set_ledstate(s, 0); | |
| } | |
| void ps2_write_keyboard(PS2KbdState *s, int val) | |
| { | |
| PS2State *ps2 = PS2_DEVICE(s); | |
| trace_ps2_write_keyboard(s, val); | |
| ps2_cqueue_reset(ps2); | |
| switch (ps2->write_cmd) { | |
| default: | |
| case -1: | |
| switch (val) { | |
| case 0x00: | |
| ps2_cqueue_1(ps2, KBD_REPLY_ACK); | |
| break; | |
| case 0x05: | |
| ps2_cqueue_1(ps2, KBD_REPLY_RESEND); | |
| break; | |
| case KBD_CMD_GET_ID: | |
| /* We emulate a MF2 AT keyboard here */ | |
| ps2_cqueue_3(ps2, KBD_REPLY_ACK, KBD_REPLY_ID, | |
| s->translate ? 0x41 : 0x83); | |
| break; | |
| case KBD_CMD_ECHO: | |
| ps2_cqueue_1(ps2, KBD_CMD_ECHO); | |
| break; | |
| case KBD_CMD_ENABLE: | |
| s->scan_enabled = 1; | |
| ps2_cqueue_1(ps2, KBD_REPLY_ACK); | |
| break; | |
| case KBD_CMD_SCANCODE: | |
| case KBD_CMD_SET_LEDS: | |
| case KBD_CMD_SET_RATE: | |
| case KBD_CMD_SET_MAKE_BREAK: | |
| ps2->write_cmd = val; | |
| ps2_cqueue_1(ps2, KBD_REPLY_ACK); | |
| break; | |
| case KBD_CMD_RESET_DISABLE: | |
| ps2_reset_keyboard(s); | |
| s->scan_enabled = 0; | |
| ps2_cqueue_1(ps2, KBD_REPLY_ACK); | |
| break; | |
| case KBD_CMD_RESET_ENABLE: | |
| ps2_reset_keyboard(s); | |
| s->scan_enabled = 1; | |
| ps2_cqueue_1(ps2, KBD_REPLY_ACK); | |
| break; | |
| case KBD_CMD_RESET: | |
| ps2_reset_keyboard(s); | |
| ps2_cqueue_2(ps2, | |
| KBD_REPLY_ACK, | |
| KBD_REPLY_POR); | |
| break; | |
| case KBD_CMD_SET_TYPEMATIC: | |
| ps2_cqueue_1(ps2, KBD_REPLY_ACK); | |
| break; | |
| default: | |
| /* | |
| * A PS/2 device answers every command it is given; an unknown | |
| * one draws a resend. | |
| */ | |
| ps2_cqueue_1(ps2, KBD_REPLY_RESEND); | |
| break; | |
| } | |
| break; | |
| case KBD_CMD_SET_MAKE_BREAK: | |
| ps2_cqueue_1(ps2, KBD_REPLY_ACK); | |
| ps2->write_cmd = -1; | |
| break; | |
| case KBD_CMD_SCANCODE: | |
| if (val == 0) { | |
| ps2_cqueue_2(ps2, KBD_REPLY_ACK, s->translate ? | |
| translate_table[s->scancode_set] : s->scancode_set); | |
| } else if (val >= 1 && val <= 3) { | |
| s->scancode_set = val; | |
| ps2_cqueue_1(ps2, KBD_REPLY_ACK); | |
| } else { | |
| ps2_cqueue_1(ps2, KBD_REPLY_RESEND); | |
| } | |
| ps2->write_cmd = -1; | |
| break; | |
| case KBD_CMD_SET_LEDS: | |
| ps2_set_ledstate(s, val); | |
| ps2_cqueue_1(ps2, KBD_REPLY_ACK); | |
| ps2->write_cmd = -1; | |
| break; | |
| case KBD_CMD_SET_RATE: | |
| ps2_cqueue_1(ps2, KBD_REPLY_ACK); | |
| ps2->write_cmd = -1; | |
| break; | |
| } | |
| } | |
| /* | |
| * Set the scancode translation mode. | |
| * 0 = raw scancodes. | |
| * 1 = translated scancodes (used by qemu internally). | |
| */ | |
| void ps2_keyboard_set_translation(PS2KbdState *s, int mode) | |
| { | |
| trace_ps2_keyboard_set_translation(s, mode); | |
| s->translate = mode; | |
| } | |
| static int ps2_mouse_send_packet(PS2MouseState *s) | |
| { | |
| PS2State *ps2 = PS2_DEVICE(s); | |
| /* IMPS/2 and IMEX send 4 bytes, PS2 sends 3 bytes */ | |
| const int needed = s->mouse_type ? 4 : 3; | |
| unsigned int b; | |
| int dx1, dy1, dz1, dw1; | |
| if (PS2_QUEUE_SIZE - ps2->queue.count < needed) { | |
| return 0; | |
| } | |
| dx1 = s->mouse_dx; | |
| dy1 = s->mouse_dy; | |
| dz1 = s->mouse_dz; | |
| dw1 = s->mouse_dw; | |
| /* XXX: increase range to 8 bits ? */ | |
| if (dx1 > 127) { | |
| dx1 = 127; | |
| } else if (dx1 < -127) { | |
| dx1 = -127; | |
| } | |
| if (dy1 > 127) { | |
| dy1 = 127; | |
| } else if (dy1 < -127) { | |
| dy1 = -127; | |
| } | |
| b = 0x08 | ((dx1 < 0) << 4) | ((dy1 < 0) << 5) | (s->mouse_buttons & 0x07); | |
| ps2_queue_noirq(ps2, b); | |
| ps2_queue_noirq(ps2, dx1 & 0xff); | |
| ps2_queue_noirq(ps2, dy1 & 0xff); | |
| /* extra byte for IMPS/2 or IMEX */ | |
| switch (s->mouse_type) { | |
| default: | |
| /* Just ignore the wheels if not supported */ | |
| s->mouse_dz = 0; | |
| s->mouse_dw = 0; | |
| break; | |
| case 3: | |
| if (dz1 > 127) { | |
| dz1 = 127; | |
| } else if (dz1 < -127) { | |
| dz1 = -127; | |
| } | |
| ps2_queue_noirq(ps2, dz1 & 0xff); | |
| s->mouse_dz -= dz1; | |
| s->mouse_dw = 0; | |
| break; | |
| case 4: | |
| /* | |
| * This matches what the Linux kernel expects for exps/2 in | |
| * drivers/input/mouse/psmouse-base.c. Note, if you happen to | |
| * press/release the 4th or 5th buttons at the same moment as a | |
| * horizontal wheel scroll, those button presses will get lost. I'm not | |
| * sure what to do about that, since by this point we don't know | |
| * whether those buttons actually changed state. | |
| */ | |
| if (dw1 != 0) { | |
| if (dw1 > 31) { | |
| dw1 = 31; | |
| } else if (dw1 < -31) { | |
| dw1 = -31; | |
| } | |
| /* | |
| * linux kernel expects first 6 bits to represent the value | |
| * for horizontal scroll | |
| */ | |
| b = (dw1 & 0x3f) | 0x40; | |
| s->mouse_dw -= dw1; | |
| } else { | |
| if (dz1 > 7) { | |
| dz1 = 7; | |
| } else if (dz1 < -7) { | |
| dz1 = -7; | |
| } | |
| b = (dz1 & 0x0f) | ((s->mouse_buttons & 0x18) << 1); | |
| s->mouse_dz -= dz1; | |
| } | |
| ps2_queue_noirq(ps2, b); | |
| break; | |
| } | |
| ps2_raise_irq(ps2); | |
| trace_ps2_mouse_send_packet(s, dx1, dy1, dz1, b); | |
| /* update deltas */ | |
| s->mouse_dx -= dx1; | |
| s->mouse_dy -= dy1; | |
| return 1; | |
| } | |
| static void ps2_mouse_event(DeviceState *dev, QemuConsole *src, | |
| QemuInputEvent *evt) | |
| { | |
| static const int bmap[INPUT_BUTTON__MAX] = { | |
| [INPUT_BUTTON_LEFT] = PS2_MOUSE_BUTTON_LEFT, | |
| [INPUT_BUTTON_MIDDLE] = PS2_MOUSE_BUTTON_MIDDLE, | |
| [INPUT_BUTTON_RIGHT] = PS2_MOUSE_BUTTON_RIGHT, | |
| [INPUT_BUTTON_SIDE] = PS2_MOUSE_BUTTON_SIDE, | |
| [INPUT_BUTTON_EXTRA] = PS2_MOUSE_BUTTON_EXTRA, | |
| }; | |
| PS2MouseState *s = (PS2MouseState *)dev; | |
| /* check if deltas are recorded when disabled */ | |
| if (!(s->mouse_status & MOUSE_STATUS_ENABLED)) { | |
| return; | |
| } | |
| switch (evt->type) { | |
| case INPUT_EVENT_KIND_REL: | |
| if (evt->rel.axis == INPUT_AXIS_X) { | |
| s->mouse_dx += evt->rel.value; | |
| } else if (evt->rel.axis == INPUT_AXIS_Y) { | |
| s->mouse_dy -= evt->rel.value; | |
| } | |
| break; | |
| case INPUT_EVENT_KIND_BTN: | |
| if (evt->btn.down) { | |
| s->mouse_buttons |= bmap[evt->btn.button]; | |
| if (evt->btn.button == INPUT_BUTTON_WHEEL_UP) { | |
| s->mouse_dz--; | |
| } else if (evt->btn.button == INPUT_BUTTON_WHEEL_DOWN) { | |
| s->mouse_dz++; | |
| } | |
| if (evt->btn.button == INPUT_BUTTON_WHEEL_RIGHT) { | |
| s->mouse_dw--; | |
| } else if (evt->btn.button == INPUT_BUTTON_WHEEL_LEFT) { | |
| s->mouse_dw++; | |
| } | |
| } else { | |
| s->mouse_buttons &= ~bmap[evt->btn.button]; | |
| } | |
| break; | |
| default: | |
| /* keep gcc happy */ | |
| break; | |
| } | |
| } | |
| static void ps2_mouse_sync(DeviceState *dev) | |
| { | |
| PS2MouseState *s = (PS2MouseState *)dev; | |
| /* do not sync while disabled to prevent stream corruption */ | |
| if (!(s->mouse_status & MOUSE_STATUS_ENABLED)) { | |
| return; | |
| } | |
| if (s->mouse_buttons) { | |
| qemu_system_wakeup_request(QEMU_WAKEUP_REASON_OTHER, NULL); | |
| } | |
| if (!(s->mouse_status & MOUSE_STATUS_REMOTE)) { | |
| /* | |
| * if not remote, send event. Multiple events are sent if | |
| * too big deltas | |
| */ | |
| while (ps2_mouse_send_packet(s)) { | |
| if (s->mouse_dx == 0 && s->mouse_dy == 0 | |
| && s->mouse_dz == 0 && s->mouse_dw == 0) { | |
| break; | |
| } | |
| } | |
| } | |
| } | |
| void ps2_mouse_fake_event(PS2MouseState *s) | |
| { | |
| trace_ps2_mouse_fake_event(s); | |
| s->mouse_dx++; | |
| ps2_mouse_sync(DEVICE(s)); | |
| } | |
| void ps2_write_mouse(PS2MouseState *s, int val) | |
| { | |
| PS2State *ps2 = PS2_DEVICE(s); | |
| trace_ps2_write_mouse(s, val); | |
| switch (ps2->write_cmd) { | |
| default: | |
| case -1: | |
| /* mouse command */ | |
| if (s->mouse_wrap) { | |
| if (val == AUX_RESET_WRAP) { | |
| s->mouse_wrap = 0; | |
| ps2_queue(ps2, AUX_ACK); | |
| return; | |
| } else if (val != AUX_RESET) { | |
| ps2_queue(ps2, val); | |
| return; | |
| } | |
| } | |
| switch (val) { | |
| case AUX_SET_SCALE11: | |
| s->mouse_status &= ~MOUSE_STATUS_SCALE21; | |
| ps2_queue(ps2, AUX_ACK); | |
| break; | |
| case AUX_SET_SCALE21: | |
| s->mouse_status |= MOUSE_STATUS_SCALE21; | |
| ps2_queue(ps2, AUX_ACK); | |
| break; | |
| case AUX_SET_STREAM: | |
| s->mouse_status &= ~MOUSE_STATUS_REMOTE; | |
| ps2_queue(ps2, AUX_ACK); | |
| break; | |
| case AUX_SET_WRAP: | |
| s->mouse_wrap = 1; | |
| ps2_queue(ps2, AUX_ACK); | |
| break; | |
| case AUX_SET_REMOTE: | |
| s->mouse_status |= MOUSE_STATUS_REMOTE; | |
| ps2_queue(ps2, AUX_ACK); | |
| break; | |
| case AUX_GET_TYPE: | |
| ps2_queue_2(ps2, | |
| AUX_ACK, | |
| s->mouse_type); | |
| break; | |
| case AUX_SET_RES: | |
| case AUX_SET_SAMPLE: | |
| ps2->write_cmd = val; | |
| ps2_queue(ps2, AUX_ACK); | |
| break; | |
| case AUX_GET_SCALE: | |
| ps2_queue_4(ps2, | |
| AUX_ACK, | |
| s->mouse_status, | |
| s->mouse_resolution, | |
| s->mouse_sample_rate); | |
| break; | |
| case AUX_POLL: | |
| ps2_queue(ps2, AUX_ACK); | |
| ps2_mouse_send_packet(s); | |
| break; | |
| case AUX_ENABLE_DEV: | |
| s->mouse_status |= MOUSE_STATUS_ENABLED; | |
| ps2_queue(ps2, AUX_ACK); | |
| break; | |
| case AUX_DISABLE_DEV: | |
| s->mouse_status &= ~MOUSE_STATUS_ENABLED; | |
| ps2_queue(ps2, AUX_ACK); | |
| break; | |
| case AUX_SET_DEFAULT: | |
| s->mouse_sample_rate = 100; | |
| s->mouse_resolution = 2; | |
| s->mouse_status = 0; | |
| ps2_queue(ps2, AUX_ACK); | |
| break; | |
| case AUX_RESET: | |
| s->mouse_sample_rate = 100; | |
| s->mouse_resolution = 2; | |
| s->mouse_status = 0; | |
| s->mouse_type = 0; | |
| ps2_reset_queue(ps2); | |
| ps2_queue_3(ps2, | |
| AUX_ACK, | |
| 0xaa, | |
| s->mouse_type); | |
| break; | |
| default: | |
| /* | |
| * A PS/2 device answers every command it is given; an unknown | |
| * one draws a resend. | |
| */ | |
| ps2_queue(ps2, AUX_RESEND); | |
| break; | |
| } | |
| break; | |
| case AUX_SET_SAMPLE: | |
| s->mouse_sample_rate = val; | |
| /* detect IMPS/2 or IMEX */ | |
| switch (s->mouse_detect_state) { | |
| default: | |
| case 0: | |
| if (val == 200) { | |
| s->mouse_detect_state = 1; | |
| } | |
| break; | |
| case 1: | |
| if (val == 100) { | |
| s->mouse_detect_state = 2; | |
| } else if (val == 200) { | |
| s->mouse_detect_state = 3; | |
| } else { | |
| s->mouse_detect_state = 0; | |
| } | |
| break; | |
| case 2: | |
| if (val == 80) { | |
| s->mouse_type = 3; /* IMPS/2 */ | |
| } | |
| s->mouse_detect_state = 0; | |
| break; | |
| case 3: | |
| if (val == 80) { | |
| s->mouse_type = 4; /* IMEX */ | |
| } | |
| s->mouse_detect_state = 0; | |
| break; | |
| } | |
| ps2_queue(ps2, AUX_ACK); | |
| ps2->write_cmd = -1; | |
| break; | |
| case AUX_SET_RES: | |
| s->mouse_resolution = val; | |
| ps2_queue(ps2, AUX_ACK); | |
| ps2->write_cmd = -1; | |
| break; | |
| } | |
| } | |
| static void ps2_reset_hold(Object *obj, ResetType type) | |
| { | |
| PS2State *s = PS2_DEVICE(obj); | |
| s->write_cmd = -1; | |
| ps2_reset_queue(s); | |
| } | |
| static void ps2_reset_exit(Object *obj, ResetType type) | |
| { | |
| PS2State *s = PS2_DEVICE(obj); | |
| ps2_lower_irq(s); | |
| } | |
| static void ps2_common_post_load(PS2State *s) | |
| { | |
| PS2Queue *q = &s->queue; | |
| int ccount = 0; | |
| /* limit the number of queued command replies to PS2_QUEUE_HEADROOM */ | |
| if (q->cwptr != -1) { | |
| ccount = (q->cwptr - q->rptr) & (PS2_BUFFER_SIZE - 1); | |
| if (ccount > PS2_QUEUE_HEADROOM) { | |
| ccount = PS2_QUEUE_HEADROOM; | |
| } | |
| } | |
| /* limit the scancode queue size to PS2_QUEUE_SIZE */ | |
| if (q->count < ccount) { | |
| q->count = ccount; | |
| } else if (q->count > ccount + PS2_QUEUE_SIZE) { | |
| q->count = ccount + PS2_QUEUE_SIZE; | |
| } | |
| /* sanitize rptr and recalculate wptr and cwptr */ | |
| q->rptr = q->rptr & (PS2_BUFFER_SIZE - 1); | |
| q->wptr = (q->rptr + q->count) & (PS2_BUFFER_SIZE - 1); | |
| q->cwptr = ccount ? (q->rptr + ccount) & (PS2_BUFFER_SIZE - 1) : -1; | |
| } | |
| static void ps2_kbd_reset_hold(Object *obj, ResetType type) | |
| { | |
| PS2DeviceClass *ps2dc = PS2_DEVICE_GET_CLASS(obj); | |
| PS2KbdState *s = PS2_KBD_DEVICE(obj); | |
| trace_ps2_kbd_reset(s); | |
| if (ps2dc->parent_phases.hold) { | |
| ps2dc->parent_phases.hold(obj, type); | |
| } | |
| s->scan_enabled = 1; | |
| s->translate = 0; | |
| s->scancode_set = 2; | |
| s->modifiers = 0; | |
| } | |
| static void ps2_mouse_reset_hold(Object *obj, ResetType type) | |
| { | |
| PS2DeviceClass *ps2dc = PS2_DEVICE_GET_CLASS(obj); | |
| PS2MouseState *s = PS2_MOUSE_DEVICE(obj); | |
| trace_ps2_mouse_reset(s); | |
| if (ps2dc->parent_phases.hold) { | |
| ps2dc->parent_phases.hold(obj, type); | |
| } | |
| s->mouse_status = 0; | |
| s->mouse_resolution = 0; | |
| s->mouse_sample_rate = 0; | |
| s->mouse_wrap = 0; | |
| s->mouse_type = 0; | |
| s->mouse_detect_state = 0; | |
| s->mouse_dx = 0; | |
| s->mouse_dy = 0; | |
| s->mouse_dz = 0; | |
| s->mouse_dw = 0; | |
| s->mouse_buttons = 0; | |
| } | |
| static const VMStateDescription vmstate_ps2_common = { | |
| .name = "PS2 Common State", | |
| .version_id = 3, | |
| .minimum_version_id = 2, | |
| .fields = (const VMStateField[]) { | |
| VMSTATE_INT32(write_cmd, PS2State), | |
| VMSTATE_INT32(queue.rptr, PS2State), | |
| VMSTATE_INT32(queue.wptr, PS2State), | |
| VMSTATE_INT32(queue.count, PS2State), | |
| VMSTATE_BUFFER(queue.data, PS2State), | |
| VMSTATE_END_OF_LIST() | |
| } | |
| }; | |
| static bool ps2_keyboard_ledstate_needed(void *opaque) | |
| { | |
| PS2KbdState *s = opaque; | |
| return s->ledstate != 0; /* 0 is default state */ | |
| } | |
| static int ps2_kbd_ledstate_post_load(void *opaque, int version_id) | |
| { | |
| PS2KbdState *s = opaque; | |
| qemu_input_handler_set_leds_mask(PS2_DEVICE(s)->hs, s->ledstate); | |
| return 0; | |
| } | |
| static const VMStateDescription vmstate_ps2_keyboard_ledstate = { | |
| .name = "ps2kbd/ledstate", | |
| .version_id = 3, | |
| .minimum_version_id = 2, | |
| .post_load = ps2_kbd_ledstate_post_load, | |
| .needed = ps2_keyboard_ledstate_needed, | |
| .fields = (const VMStateField[]) { | |
| VMSTATE_INT32(ledstate, PS2KbdState), | |
| VMSTATE_END_OF_LIST() | |
| } | |
| }; | |
| static bool ps2_keyboard_need_high_bit_needed(void *opaque) | |
| { | |
| PS2KbdState *s = opaque; | |
| return s->need_high_bit != 0; /* 0 is the usual state */ | |
| } | |
| static const VMStateDescription vmstate_ps2_keyboard_need_high_bit = { | |
| .name = "ps2kbd/need_high_bit", | |
| .version_id = 1, | |
| .minimum_version_id = 1, | |
| .needed = ps2_keyboard_need_high_bit_needed, | |
| .fields = (const VMStateField[]) { | |
| VMSTATE_BOOL(need_high_bit, PS2KbdState), | |
| VMSTATE_END_OF_LIST() | |
| } | |
| }; | |
| static bool ps2_keyboard_cqueue_needed(void *opaque) | |
| { | |
| PS2KbdState *s = opaque; | |
| PS2State *ps2 = PS2_DEVICE(s); | |
| return ps2->queue.cwptr != -1; /* the queue is mostly empty */ | |
| } | |
| static const VMStateDescription vmstate_ps2_keyboard_cqueue = { | |
| .name = "ps2kbd/command_reply_queue", | |
| .needed = ps2_keyboard_cqueue_needed, | |
| .fields = (const VMStateField[]) { | |
| VMSTATE_INT32(parent_obj.queue.cwptr, PS2KbdState), | |
| VMSTATE_END_OF_LIST() | |
| } | |
| }; | |
| static int ps2_kbd_post_load(void *opaque, int version_id) | |
| { | |
| PS2KbdState *s = (PS2KbdState *)opaque; | |
| PS2State *ps2 = PS2_DEVICE(s); | |
| if (version_id == 2) { | |
| s->scancode_set = 2; | |
| } | |
| ps2_common_post_load(ps2); | |
| return 0; | |
| } | |
| static const VMStateDescription vmstate_ps2_keyboard = { | |
| .name = "ps2kbd", | |
| .version_id = 3, | |
| .minimum_version_id = 2, | |
| .post_load = ps2_kbd_post_load, | |
| .fields = (const VMStateField[]) { | |
| VMSTATE_STRUCT(parent_obj, PS2KbdState, 0, vmstate_ps2_common, | |
| PS2State), | |
| VMSTATE_INT32(scan_enabled, PS2KbdState), | |
| VMSTATE_INT32(translate, PS2KbdState), | |
| VMSTATE_INT32_V(scancode_set, PS2KbdState, 3), | |
| VMSTATE_END_OF_LIST() | |
| }, | |
| .subsections = (const VMStateDescription * const []) { | |
| &vmstate_ps2_keyboard_ledstate, | |
| &vmstate_ps2_keyboard_need_high_bit, | |
| &vmstate_ps2_keyboard_cqueue, | |
| NULL | |
| } | |
| }; | |
| static int ps2_mouse_post_load(void *opaque, int version_id) | |
| { | |
| PS2MouseState *s = (PS2MouseState *)opaque; | |
| PS2State *ps2 = PS2_DEVICE(s); | |
| ps2_common_post_load(ps2); | |
| return 0; | |
| } | |
| static const VMStateDescription vmstate_ps2_mouse = { | |
| .name = "ps2mouse", | |
| .version_id = 2, | |
| .minimum_version_id = 2, | |
| .post_load = ps2_mouse_post_load, | |
| .fields = (const VMStateField[]) { | |
| VMSTATE_STRUCT(parent_obj, PS2MouseState, 0, vmstate_ps2_common, | |
| PS2State), | |
| VMSTATE_UINT8(mouse_status, PS2MouseState), | |
| VMSTATE_UINT8(mouse_resolution, PS2MouseState), | |
| VMSTATE_UINT8(mouse_sample_rate, PS2MouseState), | |
| VMSTATE_UINT8(mouse_wrap, PS2MouseState), | |
| VMSTATE_UINT8(mouse_type, PS2MouseState), | |
| VMSTATE_UINT8(mouse_detect_state, PS2MouseState), | |
| VMSTATE_INT32(mouse_dx, PS2MouseState), | |
| VMSTATE_INT32(mouse_dy, PS2MouseState), | |
| VMSTATE_INT32(mouse_dz, PS2MouseState), | |
| VMSTATE_UINT8(mouse_buttons, PS2MouseState), | |
| VMSTATE_END_OF_LIST() | |
| } | |
| }; | |
| static const QemuInputHandler ps2_keyboard_handler = { | |
| .name = "QEMU PS/2 Keyboard", | |
| .mask = INPUT_EVENT_MASK_KEY, | |
| .event = ps2_keyboard_event, | |
| }; | |
| static void ps2_kbd_realize(DeviceState *dev, Error **errp) | |
| { | |
| PS2State *s = PS2_DEVICE(dev); | |
| s->hs = qemu_input_handler_register(dev, &ps2_keyboard_handler); | |
| } | |
| static void ps2_kbd_unrealize(DeviceState *dev) | |
| { | |
| PS2State *s = PS2_DEVICE(dev); | |
| g_clear_pointer(&s->hs, qemu_input_handler_unregister); | |
| } | |
| static const QemuInputHandler ps2_mouse_handler = { | |
| .name = "QEMU PS/2 Mouse", | |
| .mask = INPUT_EVENT_MASK_BTN | INPUT_EVENT_MASK_REL, | |
| .event = ps2_mouse_event, | |
| .sync = ps2_mouse_sync, | |
| }; | |
| static void ps2_mouse_realize(DeviceState *dev, Error **errp) | |
| { | |
| PS2State *s = PS2_DEVICE(dev); | |
| s->hs = qemu_input_handler_register(dev, &ps2_mouse_handler); | |
| } | |
| static void ps2_mouse_unrealize(DeviceState *dev) | |
| { | |
| PS2State *s = PS2_DEVICE(dev); | |
| g_clear_pointer(&s->hs, qemu_input_handler_unregister); | |
| } | |
| static void ps2_kbd_class_init(ObjectClass *klass, const void *data) | |
| { | |
| DeviceClass *dc = DEVICE_CLASS(klass); | |
| ResettableClass *rc = RESETTABLE_CLASS(klass); | |
| PS2DeviceClass *ps2dc = PS2_DEVICE_CLASS(klass); | |
| dc->realize = ps2_kbd_realize; | |
| dc->unrealize = ps2_kbd_unrealize; | |
| resettable_class_set_parent_phases(rc, NULL, ps2_kbd_reset_hold, NULL, | |
| &ps2dc->parent_phases); | |
| dc->vmsd = &vmstate_ps2_keyboard; | |
| } | |
| static const TypeInfo ps2_kbd_info = { | |
| .name = TYPE_PS2_KBD_DEVICE, | |
| .parent = TYPE_PS2_DEVICE, | |
| .instance_size = sizeof(PS2KbdState), | |
| .class_init = ps2_kbd_class_init | |
| }; | |
| static void ps2_mouse_class_init(ObjectClass *klass, const void *data) | |
| { | |
| DeviceClass *dc = DEVICE_CLASS(klass); | |
| ResettableClass *rc = RESETTABLE_CLASS(klass); | |
| PS2DeviceClass *ps2dc = PS2_DEVICE_CLASS(klass); | |
| dc->realize = ps2_mouse_realize; | |
| dc->unrealize = ps2_mouse_unrealize; | |
| resettable_class_set_parent_phases(rc, NULL, ps2_mouse_reset_hold, NULL, | |
| &ps2dc->parent_phases); | |
| dc->vmsd = &vmstate_ps2_mouse; | |
| } | |
| static const TypeInfo ps2_mouse_info = { | |
| .name = TYPE_PS2_MOUSE_DEVICE, | |
| .parent = TYPE_PS2_DEVICE, | |
| .instance_size = sizeof(PS2MouseState), | |
| .class_init = ps2_mouse_class_init | |
| }; | |
| static void ps2_init(Object *obj) | |
| { | |
| PS2State *s = PS2_DEVICE(obj); | |
| qdev_init_gpio_out(DEVICE(obj), &s->irq, 1); | |
| } | |
| static void ps2_class_init(ObjectClass *klass, const void *data) | |
| { | |
| DeviceClass *dc = DEVICE_CLASS(klass); | |
| ResettableClass *rc = RESETTABLE_CLASS(klass); | |
| rc->phases.hold = ps2_reset_hold; | |
| rc->phases.exit = ps2_reset_exit; | |
| set_bit(DEVICE_CATEGORY_INPUT, dc->categories); | |
| } | |
| static const TypeInfo ps2_info = { | |
| .name = TYPE_PS2_DEVICE, | |
| .parent = TYPE_SYS_BUS_DEVICE, | |
| .instance_init = ps2_init, | |
| .instance_size = sizeof(PS2State), | |
| .class_init = ps2_class_init, | |
| .class_size = sizeof(PS2DeviceClass), | |
| .abstract = true | |
| }; | |
| static void ps2_register_types(void) | |
| { | |
| type_register_static(&ps2_info); | |
| type_register_static(&ps2_kbd_info); | |
| type_register_static(&ps2_mouse_info); | |
| } | |
| type_init(ps2_register_types) |