149ab747fSPaolo Bonzini /* 249ab747fSPaolo Bonzini * QEMU PC keyboard emulation 349ab747fSPaolo Bonzini * 449ab747fSPaolo Bonzini * Copyright (c) 2003 Fabrice Bellard 549ab747fSPaolo Bonzini * 649ab747fSPaolo Bonzini * Permission is hereby granted, free of charge, to any person obtaining a copy 749ab747fSPaolo Bonzini * of this software and associated documentation files (the "Software"), to deal 849ab747fSPaolo Bonzini * in the Software without restriction, including without limitation the rights 949ab747fSPaolo Bonzini * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 1049ab747fSPaolo Bonzini * copies of the Software, and to permit persons to whom the Software is 1149ab747fSPaolo Bonzini * furnished to do so, subject to the following conditions: 1249ab747fSPaolo Bonzini * 1349ab747fSPaolo Bonzini * The above copyright notice and this permission notice shall be included in 1449ab747fSPaolo Bonzini * all copies or substantial portions of the Software. 1549ab747fSPaolo Bonzini * 1649ab747fSPaolo Bonzini * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 1749ab747fSPaolo Bonzini * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 1849ab747fSPaolo Bonzini * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 1949ab747fSPaolo Bonzini * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 2049ab747fSPaolo Bonzini * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 2149ab747fSPaolo Bonzini * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN 2249ab747fSPaolo Bonzini * THE SOFTWARE. 2349ab747fSPaolo Bonzini */ 2471e8a915SMarkus Armbruster 250430891cSPeter Maydell #include "qemu/osdep.h" 26d1e45668SVolker Rümelin #include "qemu/error-report.h" 27c2e846bbSPhilippe Mathieu-Daudé #include "qemu/log.h" 28d1e45668SVolker Rümelin #include "qemu/timer.h" 2949ab747fSPaolo Bonzini #include "hw/isa/isa.h" 30d6454270SMarkus Armbruster #include "migration/vmstate.h" 31df0f3d13SGerd Hoffmann #include "hw/acpi/aml-build.h" 3249ab747fSPaolo Bonzini #include "hw/input/ps2.h" 3364552b6bSMarkus Armbruster #include "hw/irq.h" 3447973a2dSPhilippe Mathieu-Daudé #include "hw/input/i8042.h" 35ff6e1624SVolker Rümelin #include "hw/qdev-properties.h" 3671e8a915SMarkus Armbruster #include "sysemu/reset.h" 3754d31236SMarkus Armbruster #include "sysemu/runstate.h" 3849ab747fSPaolo Bonzini 3965b182c3SDr. David Alan Gilbert #include "trace.h" 4049ab747fSPaolo Bonzini 4149ab747fSPaolo Bonzini /* Keyboard Controller Commands */ 4249ab747fSPaolo Bonzini #define KBD_CCMD_READ_MODE 0x20 /* Read mode bits */ 4349ab747fSPaolo Bonzini #define KBD_CCMD_WRITE_MODE 0x60 /* Write mode bits */ 4449ab747fSPaolo Bonzini #define KBD_CCMD_GET_VERSION 0xA1 /* Get controller version */ 4549ab747fSPaolo Bonzini #define KBD_CCMD_MOUSE_DISABLE 0xA7 /* Disable mouse interface */ 4649ab747fSPaolo Bonzini #define KBD_CCMD_MOUSE_ENABLE 0xA8 /* Enable mouse interface */ 4749ab747fSPaolo Bonzini #define KBD_CCMD_TEST_MOUSE 0xA9 /* Mouse interface test */ 4849ab747fSPaolo Bonzini #define KBD_CCMD_SELF_TEST 0xAA /* Controller self test */ 4949ab747fSPaolo Bonzini #define KBD_CCMD_KBD_TEST 0xAB /* Keyboard interface test */ 5049ab747fSPaolo Bonzini #define KBD_CCMD_KBD_DISABLE 0xAD /* Keyboard interface disable */ 5149ab747fSPaolo Bonzini #define KBD_CCMD_KBD_ENABLE 0xAE /* Keyboard interface enable */ 5249ab747fSPaolo Bonzini #define KBD_CCMD_READ_INPORT 0xC0 /* read input port */ 5349ab747fSPaolo Bonzini #define KBD_CCMD_READ_OUTPORT 0xD0 /* read output port */ 5449ab747fSPaolo Bonzini #define KBD_CCMD_WRITE_OUTPORT 0xD1 /* write output port */ 5549ab747fSPaolo Bonzini #define KBD_CCMD_WRITE_OBUF 0xD2 5649ab747fSPaolo Bonzini #define KBD_CCMD_WRITE_AUX_OBUF 0xD3 /* Write to output buffer as if 5749ab747fSPaolo Bonzini initiated by the auxiliary device */ 5849ab747fSPaolo Bonzini #define KBD_CCMD_WRITE_MOUSE 0xD4 /* Write the following byte to the mouse */ 5949ab747fSPaolo Bonzini #define KBD_CCMD_DISABLE_A20 0xDD /* HP vectra only ? */ 6049ab747fSPaolo Bonzini #define KBD_CCMD_ENABLE_A20 0xDF /* HP vectra only ? */ 6149ab747fSPaolo Bonzini #define KBD_CCMD_PULSE_BITS_3_0 0xF0 /* Pulse bits 3-0 of the output port P2. */ 6249ab747fSPaolo Bonzini #define KBD_CCMD_RESET 0xFE /* Pulse bit 0 of the output port P2 = CPU reset. */ 6349ab747fSPaolo Bonzini #define KBD_CCMD_NO_OP 0xFF /* Pulse no bits of the output port P2. */ 6449ab747fSPaolo Bonzini 6549ab747fSPaolo Bonzini /* Keyboard Commands */ 6649ab747fSPaolo Bonzini #define KBD_CMD_SET_LEDS 0xED /* Set keyboard leds */ 6749ab747fSPaolo Bonzini #define KBD_CMD_ECHO 0xEE 6849ab747fSPaolo Bonzini #define KBD_CMD_GET_ID 0xF2 /* get keyboard ID */ 6949ab747fSPaolo Bonzini #define KBD_CMD_SET_RATE 0xF3 /* Set typematic rate */ 7049ab747fSPaolo Bonzini #define KBD_CMD_ENABLE 0xF4 /* Enable scanning */ 7149ab747fSPaolo Bonzini #define KBD_CMD_RESET_DISABLE 0xF5 /* reset and disable scanning */ 7249ab747fSPaolo Bonzini #define KBD_CMD_RESET_ENABLE 0xF6 /* reset and enable scanning */ 7349ab747fSPaolo Bonzini #define KBD_CMD_RESET 0xFF /* Reset */ 7449ab747fSPaolo Bonzini 7549ab747fSPaolo Bonzini /* Keyboard Replies */ 7649ab747fSPaolo Bonzini #define KBD_REPLY_POR 0xAA /* Power on reset */ 7749ab747fSPaolo Bonzini #define KBD_REPLY_ACK 0xFA /* Command ACK */ 7849ab747fSPaolo Bonzini #define KBD_REPLY_RESEND 0xFE /* Command NACK, send the cmd again */ 7949ab747fSPaolo Bonzini 8049ab747fSPaolo Bonzini /* Status Register Bits */ 8149ab747fSPaolo Bonzini #define KBD_STAT_OBF 0x01 /* Keyboard output buffer full */ 8249ab747fSPaolo Bonzini #define KBD_STAT_IBF 0x02 /* Keyboard input buffer full */ 8349ab747fSPaolo Bonzini #define KBD_STAT_SELFTEST 0x04 /* Self test successful */ 8449ab747fSPaolo Bonzini #define KBD_STAT_CMD 0x08 /* Last write was a command write (0=data) */ 8549ab747fSPaolo Bonzini #define KBD_STAT_UNLOCKED 0x10 /* Zero if keyboard locked */ 8649ab747fSPaolo Bonzini #define KBD_STAT_MOUSE_OBF 0x20 /* Mouse output buffer full */ 8749ab747fSPaolo Bonzini #define KBD_STAT_GTO 0x40 /* General receive/xmit timeout */ 8849ab747fSPaolo Bonzini #define KBD_STAT_PERR 0x80 /* Parity error */ 8949ab747fSPaolo Bonzini 9049ab747fSPaolo Bonzini /* Controller Mode Register Bits */ 9149ab747fSPaolo Bonzini #define KBD_MODE_KBD_INT 0x01 /* Keyboard data generate IRQ1 */ 9249ab747fSPaolo Bonzini #define KBD_MODE_MOUSE_INT 0x02 /* Mouse data generate IRQ12 */ 9349ab747fSPaolo Bonzini #define KBD_MODE_SYS 0x04 /* The system flag (?) */ 9449ab747fSPaolo Bonzini #define KBD_MODE_NO_KEYLOCK 0x08 /* The keylock doesn't affect the keyboard if set */ 9549ab747fSPaolo Bonzini #define KBD_MODE_DISABLE_KBD 0x10 /* Disable keyboard interface */ 9649ab747fSPaolo Bonzini #define KBD_MODE_DISABLE_MOUSE 0x20 /* Disable mouse interface */ 9749ab747fSPaolo Bonzini #define KBD_MODE_KCC 0x40 /* Scan code conversion to PC format */ 9849ab747fSPaolo Bonzini #define KBD_MODE_RFU 0x80 9949ab747fSPaolo Bonzini 10049ab747fSPaolo Bonzini /* Output Port Bits */ 10149ab747fSPaolo Bonzini #define KBD_OUT_RESET 0x01 /* 1=normal mode, 0=reset */ 10249ab747fSPaolo Bonzini #define KBD_OUT_A20 0x02 /* x86 only */ 10349ab747fSPaolo Bonzini #define KBD_OUT_OBF 0x10 /* Keyboard output buffer full */ 10449ab747fSPaolo Bonzini #define KBD_OUT_MOUSE_OBF 0x20 /* Mouse output buffer full */ 10549ab747fSPaolo Bonzini 106d13c0404SPaolo Bonzini /* OSes typically write 0xdd/0xdf to turn the A20 line off and on. 107d13c0404SPaolo Bonzini * We make the default value of the outport include these four bits, 108d13c0404SPaolo Bonzini * so that the subsection is rarely necessary. 109d13c0404SPaolo Bonzini */ 110d13c0404SPaolo Bonzini #define KBD_OUT_ONES 0xcc 111d13c0404SPaolo Bonzini 11249ab747fSPaolo Bonzini /* Mouse Commands */ 11349ab747fSPaolo Bonzini #define AUX_SET_SCALE11 0xE6 /* Set 1:1 scaling */ 11449ab747fSPaolo Bonzini #define AUX_SET_SCALE21 0xE7 /* Set 2:1 scaling */ 11549ab747fSPaolo Bonzini #define AUX_SET_RES 0xE8 /* Set resolution */ 11649ab747fSPaolo Bonzini #define AUX_GET_SCALE 0xE9 /* Get scaling factor */ 11749ab747fSPaolo Bonzini #define AUX_SET_STREAM 0xEA /* Set stream mode */ 11849ab747fSPaolo Bonzini #define AUX_POLL 0xEB /* Poll */ 11949ab747fSPaolo Bonzini #define AUX_RESET_WRAP 0xEC /* Reset wrap mode */ 12049ab747fSPaolo Bonzini #define AUX_SET_WRAP 0xEE /* Set wrap mode */ 12149ab747fSPaolo Bonzini #define AUX_SET_REMOTE 0xF0 /* Set remote mode */ 12249ab747fSPaolo Bonzini #define AUX_GET_TYPE 0xF2 /* Get type */ 12349ab747fSPaolo Bonzini #define AUX_SET_SAMPLE 0xF3 /* Set sample rate */ 12449ab747fSPaolo Bonzini #define AUX_ENABLE_DEV 0xF4 /* Enable aux device */ 12549ab747fSPaolo Bonzini #define AUX_DISABLE_DEV 0xF5 /* Disable aux device */ 12649ab747fSPaolo Bonzini #define AUX_SET_DEFAULT 0xF6 12749ab747fSPaolo Bonzini #define AUX_RESET 0xFF /* Reset aux device */ 12849ab747fSPaolo Bonzini #define AUX_ACK 0xFA /* Command byte ACK. */ 12949ab747fSPaolo Bonzini 13049ab747fSPaolo Bonzini #define MOUSE_STATUS_REMOTE 0x40 13149ab747fSPaolo Bonzini #define MOUSE_STATUS_ENABLED 0x20 13249ab747fSPaolo Bonzini #define MOUSE_STATUS_SCALE21 0x10 13349ab747fSPaolo Bonzini 13449ab747fSPaolo Bonzini #define KBD_PENDING_KBD 1 13549ab747fSPaolo Bonzini #define KBD_PENDING_AUX 2 136*aa67a42fSVolker Rümelin #define KBD_PENDING_CTRL_KBD 0x04 137*aa67a42fSVolker Rümelin #define KBD_PENDING_CTRL_AUX 0x08 13849ab747fSPaolo Bonzini 139d1e45668SVolker Rümelin #define KBD_MIGR_TIMER_PENDING 0x1 140d1e45668SVolker Rümelin 141ac9192bdSVolker Rümelin #define KBD_OBSRC_KBD 0x01 142ac9192bdSVolker Rümelin #define KBD_OBSRC_MOUSE 0x02 143*aa67a42fSVolker Rümelin #define KBD_OBSRC_CTRL 0x04 144ac9192bdSVolker Rümelin 14549ab747fSPaolo Bonzini typedef struct KBDState { 14649ab747fSPaolo Bonzini uint8_t write_cmd; /* if non zero, write data to port 60 is expected */ 14749ab747fSPaolo Bonzini uint8_t status; 14849ab747fSPaolo Bonzini uint8_t mode; 14949ab747fSPaolo Bonzini uint8_t outport; 150d1e45668SVolker Rümelin uint32_t migration_flags; 151ac9192bdSVolker Rümelin uint32_t obsrc; 152a28fe7e3SPavel Dovgalyuk bool outport_present; 153ff6e1624SVolker Rümelin bool extended_state; 154ac9192bdSVolker Rümelin bool extended_state_loaded; 15549ab747fSPaolo Bonzini /* Bitmask of devices with data available. */ 15649ab747fSPaolo Bonzini uint8_t pending; 157ff6e1624SVolker Rümelin uint8_t obdata; 158*aa67a42fSVolker Rümelin uint8_t cbdata; 15949ab747fSPaolo Bonzini void *kbd; 16049ab747fSPaolo Bonzini void *mouse; 161d1e45668SVolker Rümelin QEMUTimer *throttle_timer; 16249ab747fSPaolo Bonzini 16349ab747fSPaolo Bonzini qemu_irq irq_kbd; 16449ab747fSPaolo Bonzini qemu_irq irq_mouse; 1653115b9e2SEfimov Vasily qemu_irq a20_out; 16649ab747fSPaolo Bonzini hwaddr mask; 16749ab747fSPaolo Bonzini } KBDState; 16849ab747fSPaolo Bonzini 16949ab747fSPaolo Bonzini /* XXX: not generating the irqs if KBD_MODE_DISABLE_KBD is set may be 17049ab747fSPaolo Bonzini incorrect, but it avoids having to simulate exact delays */ 171c3c4a961SVolker Rümelin static void kbd_update_irq_lines(KBDState *s) 17249ab747fSPaolo Bonzini { 17349ab747fSPaolo Bonzini int irq_kbd_level, irq_mouse_level; 17449ab747fSPaolo Bonzini 17549ab747fSPaolo Bonzini irq_kbd_level = 0; 17649ab747fSPaolo Bonzini irq_mouse_level = 0; 177c3c4a961SVolker Rümelin 178c3c4a961SVolker Rümelin if (s->status & KBD_STAT_OBF) { 179c3c4a961SVolker Rümelin if (s->status & KBD_STAT_MOUSE_OBF) { 180c3c4a961SVolker Rümelin if (s->mode & KBD_MODE_MOUSE_INT) { 181c3c4a961SVolker Rümelin irq_mouse_level = 1; 182c3c4a961SVolker Rümelin } 183c3c4a961SVolker Rümelin } else { 184c3c4a961SVolker Rümelin if ((s->mode & KBD_MODE_KBD_INT) && 185c3c4a961SVolker Rümelin !(s->mode & KBD_MODE_DISABLE_KBD)) { 186c3c4a961SVolker Rümelin irq_kbd_level = 1; 187c3c4a961SVolker Rümelin } 188c3c4a961SVolker Rümelin } 189c3c4a961SVolker Rümelin } 190c3c4a961SVolker Rümelin qemu_set_irq(s->irq_kbd, irq_kbd_level); 191c3c4a961SVolker Rümelin qemu_set_irq(s->irq_mouse, irq_mouse_level); 192c3c4a961SVolker Rümelin } 193c3c4a961SVolker Rümelin 194ff6e1624SVolker Rümelin static void kbd_deassert_irq(KBDState *s) 195ff6e1624SVolker Rümelin { 196ff6e1624SVolker Rümelin s->status &= ~(KBD_STAT_OBF | KBD_STAT_MOUSE_OBF); 197ff6e1624SVolker Rümelin s->outport &= ~(KBD_OUT_OBF | KBD_OUT_MOUSE_OBF); 198ff6e1624SVolker Rümelin kbd_update_irq_lines(s); 199ff6e1624SVolker Rümelin } 200ff6e1624SVolker Rümelin 201c3c4a961SVolker Rümelin /* update irq and KBD_STAT_[MOUSE_]OBF */ 202c3c4a961SVolker Rümelin static void kbd_update_irq(KBDState *s) 203c3c4a961SVolker Rümelin { 20449ab747fSPaolo Bonzini s->status &= ~(KBD_STAT_OBF | KBD_STAT_MOUSE_OBF); 20549ab747fSPaolo Bonzini s->outport &= ~(KBD_OUT_OBF | KBD_OUT_MOUSE_OBF); 20649ab747fSPaolo Bonzini if (s->pending) { 20749ab747fSPaolo Bonzini s->status |= KBD_STAT_OBF; 20849ab747fSPaolo Bonzini s->outport |= KBD_OUT_OBF; 209*aa67a42fSVolker Rümelin if (s->pending & KBD_PENDING_CTRL_KBD) { 210*aa67a42fSVolker Rümelin s->obsrc = KBD_OBSRC_CTRL; 211*aa67a42fSVolker Rümelin } else if (s->pending & KBD_PENDING_CTRL_AUX) { 212*aa67a42fSVolker Rümelin s->status |= KBD_STAT_MOUSE_OBF; 213*aa67a42fSVolker Rümelin s->outport |= KBD_OUT_MOUSE_OBF; 214*aa67a42fSVolker Rümelin s->obsrc = KBD_OBSRC_CTRL; 215*aa67a42fSVolker Rümelin } else if (s->pending & KBD_PENDING_KBD) { 216*aa67a42fSVolker Rümelin s->obsrc = KBD_OBSRC_KBD; 217*aa67a42fSVolker Rümelin } else { 21849ab747fSPaolo Bonzini s->status |= KBD_STAT_MOUSE_OBF; 21949ab747fSPaolo Bonzini s->outport |= KBD_OUT_MOUSE_OBF; 220ac9192bdSVolker Rümelin s->obsrc = KBD_OBSRC_MOUSE; 22149ab747fSPaolo Bonzini } 22249ab747fSPaolo Bonzini } 223c3c4a961SVolker Rümelin kbd_update_irq_lines(s); 22449ab747fSPaolo Bonzini } 22549ab747fSPaolo Bonzini 226ff6e1624SVolker Rümelin static void kbd_safe_update_irq(KBDState *s) 227ff6e1624SVolker Rümelin { 228ff6e1624SVolker Rümelin /* 229ff6e1624SVolker Rümelin * with KBD_STAT_OBF set, a call to kbd_read_data() will eventually call 230ff6e1624SVolker Rümelin * kbd_update_irq() 231ff6e1624SVolker Rümelin */ 232ff6e1624SVolker Rümelin if (s->status & KBD_STAT_OBF) { 233ff6e1624SVolker Rümelin return; 234ff6e1624SVolker Rümelin } 235d1e45668SVolker Rümelin /* the throttle timer is pending and will call kbd_update_irq() */ 236d1e45668SVolker Rümelin if (s->throttle_timer && timer_pending(s->throttle_timer)) { 237d1e45668SVolker Rümelin return; 238d1e45668SVolker Rümelin } 239ff6e1624SVolker Rümelin if (s->pending) { 240ff6e1624SVolker Rümelin kbd_update_irq(s); 241ff6e1624SVolker Rümelin } 242ff6e1624SVolker Rümelin } 243ff6e1624SVolker Rümelin 24449ab747fSPaolo Bonzini static void kbd_update_kbd_irq(void *opaque, int level) 24549ab747fSPaolo Bonzini { 246ff6e1624SVolker Rümelin KBDState *s = opaque; 24749ab747fSPaolo Bonzini 248ff6e1624SVolker Rümelin if (level) { 24949ab747fSPaolo Bonzini s->pending |= KBD_PENDING_KBD; 250ff6e1624SVolker Rümelin } else { 25149ab747fSPaolo Bonzini s->pending &= ~KBD_PENDING_KBD; 252ff6e1624SVolker Rümelin } 253ff6e1624SVolker Rümelin kbd_safe_update_irq(s); 25449ab747fSPaolo Bonzini } 25549ab747fSPaolo Bonzini 25649ab747fSPaolo Bonzini static void kbd_update_aux_irq(void *opaque, int level) 25749ab747fSPaolo Bonzini { 258ff6e1624SVolker Rümelin KBDState *s = opaque; 25949ab747fSPaolo Bonzini 260ff6e1624SVolker Rümelin if (level) { 26149ab747fSPaolo Bonzini s->pending |= KBD_PENDING_AUX; 262ff6e1624SVolker Rümelin } else { 26349ab747fSPaolo Bonzini s->pending &= ~KBD_PENDING_AUX; 264ff6e1624SVolker Rümelin } 265ff6e1624SVolker Rümelin kbd_safe_update_irq(s); 26649ab747fSPaolo Bonzini } 26749ab747fSPaolo Bonzini 268d1e45668SVolker Rümelin static void kbd_throttle_timeout(void *opaque) 269d1e45668SVolker Rümelin { 270d1e45668SVolker Rümelin KBDState *s = opaque; 271d1e45668SVolker Rümelin 272d1e45668SVolker Rümelin if (s->pending) { 273d1e45668SVolker Rümelin kbd_update_irq(s); 274d1e45668SVolker Rümelin } 275d1e45668SVolker Rümelin } 276d1e45668SVolker Rümelin 27749ab747fSPaolo Bonzini static uint64_t kbd_read_status(void *opaque, hwaddr addr, 27849ab747fSPaolo Bonzini unsigned size) 27949ab747fSPaolo Bonzini { 28049ab747fSPaolo Bonzini KBDState *s = opaque; 28149ab747fSPaolo Bonzini int val; 28249ab747fSPaolo Bonzini val = s->status; 28365b182c3SDr. David Alan Gilbert trace_pckbd_kbd_read_status(val); 28449ab747fSPaolo Bonzini return val; 28549ab747fSPaolo Bonzini } 28649ab747fSPaolo Bonzini 28749ab747fSPaolo Bonzini static void kbd_queue(KBDState *s, int b, int aux) 28849ab747fSPaolo Bonzini { 289*aa67a42fSVolker Rümelin if (s->extended_state) { 290*aa67a42fSVolker Rümelin s->cbdata = b; 291*aa67a42fSVolker Rümelin s->pending &= ~KBD_PENDING_CTRL_KBD & ~KBD_PENDING_CTRL_AUX; 292*aa67a42fSVolker Rümelin s->pending |= aux ? KBD_PENDING_CTRL_AUX : KBD_PENDING_CTRL_KBD; 293*aa67a42fSVolker Rümelin kbd_safe_update_irq(s); 294*aa67a42fSVolker Rümelin } else { 295*aa67a42fSVolker Rümelin ps2_queue(aux ? s->mouse : s->kbd, b); 296*aa67a42fSVolker Rümelin } 297*aa67a42fSVolker Rümelin } 298*aa67a42fSVolker Rümelin 299*aa67a42fSVolker Rümelin static uint8_t kbd_dequeue(KBDState *s) 300*aa67a42fSVolker Rümelin { 301*aa67a42fSVolker Rümelin uint8_t b = s->cbdata; 302*aa67a42fSVolker Rümelin 303*aa67a42fSVolker Rümelin s->pending &= ~KBD_PENDING_CTRL_KBD & ~KBD_PENDING_CTRL_AUX; 304*aa67a42fSVolker Rümelin if (s->pending) { 305*aa67a42fSVolker Rümelin kbd_update_irq(s); 306*aa67a42fSVolker Rümelin } 307*aa67a42fSVolker Rümelin return b; 30849ab747fSPaolo Bonzini } 30949ab747fSPaolo Bonzini 31049ab747fSPaolo Bonzini static void outport_write(KBDState *s, uint32_t val) 31149ab747fSPaolo Bonzini { 31265b182c3SDr. David Alan Gilbert trace_pckbd_outport_write(val); 31349ab747fSPaolo Bonzini s->outport = val; 3143115b9e2SEfimov Vasily qemu_set_irq(s->a20_out, (val >> 1) & 1); 31549ab747fSPaolo Bonzini if (!(val & 1)) { 316cf83f140SEric Blake qemu_system_reset_request(SHUTDOWN_CAUSE_GUEST_RESET); 31749ab747fSPaolo Bonzini } 31849ab747fSPaolo Bonzini } 31949ab747fSPaolo Bonzini 32049ab747fSPaolo Bonzini static void kbd_write_command(void *opaque, hwaddr addr, 32149ab747fSPaolo Bonzini uint64_t val, unsigned size) 32249ab747fSPaolo Bonzini { 32349ab747fSPaolo Bonzini KBDState *s = opaque; 32449ab747fSPaolo Bonzini 32565b182c3SDr. David Alan Gilbert trace_pckbd_kbd_write_command(val); 32649ab747fSPaolo Bonzini 32749ab747fSPaolo Bonzini /* Bits 3-0 of the output port P2 of the keyboard controller may be pulsed 32849ab747fSPaolo Bonzini * low for approximately 6 micro seconds. Bits 3-0 of the KBD_CCMD_PULSE 32949ab747fSPaolo Bonzini * command specify the output port bits to be pulsed. 33049ab747fSPaolo Bonzini * 0: Bit should be pulsed. 1: Bit should not be modified. 33149ab747fSPaolo Bonzini * The only useful version of this command is pulsing bit 0, 33249ab747fSPaolo Bonzini * which does a CPU reset. 33349ab747fSPaolo Bonzini */ 33449ab747fSPaolo Bonzini if((val & KBD_CCMD_PULSE_BITS_3_0) == KBD_CCMD_PULSE_BITS_3_0) { 33549ab747fSPaolo Bonzini if(!(val & 1)) 33649ab747fSPaolo Bonzini val = KBD_CCMD_RESET; 33749ab747fSPaolo Bonzini else 33849ab747fSPaolo Bonzini val = KBD_CCMD_NO_OP; 33949ab747fSPaolo Bonzini } 34049ab747fSPaolo Bonzini 34149ab747fSPaolo Bonzini switch(val) { 34249ab747fSPaolo Bonzini case KBD_CCMD_READ_MODE: 34349ab747fSPaolo Bonzini kbd_queue(s, s->mode, 0); 34449ab747fSPaolo Bonzini break; 34549ab747fSPaolo Bonzini case KBD_CCMD_WRITE_MODE: 34649ab747fSPaolo Bonzini case KBD_CCMD_WRITE_OBUF: 34749ab747fSPaolo Bonzini case KBD_CCMD_WRITE_AUX_OBUF: 34849ab747fSPaolo Bonzini case KBD_CCMD_WRITE_MOUSE: 34949ab747fSPaolo Bonzini case KBD_CCMD_WRITE_OUTPORT: 35049ab747fSPaolo Bonzini s->write_cmd = val; 35149ab747fSPaolo Bonzini break; 35249ab747fSPaolo Bonzini case KBD_CCMD_MOUSE_DISABLE: 35349ab747fSPaolo Bonzini s->mode |= KBD_MODE_DISABLE_MOUSE; 35449ab747fSPaolo Bonzini break; 35549ab747fSPaolo Bonzini case KBD_CCMD_MOUSE_ENABLE: 35649ab747fSPaolo Bonzini s->mode &= ~KBD_MODE_DISABLE_MOUSE; 35749ab747fSPaolo Bonzini break; 35849ab747fSPaolo Bonzini case KBD_CCMD_TEST_MOUSE: 35949ab747fSPaolo Bonzini kbd_queue(s, 0x00, 0); 36049ab747fSPaolo Bonzini break; 36149ab747fSPaolo Bonzini case KBD_CCMD_SELF_TEST: 36249ab747fSPaolo Bonzini s->status |= KBD_STAT_SELFTEST; 36349ab747fSPaolo Bonzini kbd_queue(s, 0x55, 0); 36449ab747fSPaolo Bonzini break; 36549ab747fSPaolo Bonzini case KBD_CCMD_KBD_TEST: 36649ab747fSPaolo Bonzini kbd_queue(s, 0x00, 0); 36749ab747fSPaolo Bonzini break; 36849ab747fSPaolo Bonzini case KBD_CCMD_KBD_DISABLE: 36949ab747fSPaolo Bonzini s->mode |= KBD_MODE_DISABLE_KBD; 37049ab747fSPaolo Bonzini break; 37149ab747fSPaolo Bonzini case KBD_CCMD_KBD_ENABLE: 37249ab747fSPaolo Bonzini s->mode &= ~KBD_MODE_DISABLE_KBD; 373ff6e1624SVolker Rümelin kbd_safe_update_irq(s); 37449ab747fSPaolo Bonzini break; 37549ab747fSPaolo Bonzini case KBD_CCMD_READ_INPORT: 376f1b7e0e4SHervé Poussineau kbd_queue(s, 0x80, 0); 37749ab747fSPaolo Bonzini break; 37849ab747fSPaolo Bonzini case KBD_CCMD_READ_OUTPORT: 37949ab747fSPaolo Bonzini kbd_queue(s, s->outport, 0); 38049ab747fSPaolo Bonzini break; 38149ab747fSPaolo Bonzini case KBD_CCMD_ENABLE_A20: 3823115b9e2SEfimov Vasily qemu_irq_raise(s->a20_out); 38349ab747fSPaolo Bonzini s->outport |= KBD_OUT_A20; 38449ab747fSPaolo Bonzini break; 38549ab747fSPaolo Bonzini case KBD_CCMD_DISABLE_A20: 3863115b9e2SEfimov Vasily qemu_irq_lower(s->a20_out); 38749ab747fSPaolo Bonzini s->outport &= ~KBD_OUT_A20; 38849ab747fSPaolo Bonzini break; 38949ab747fSPaolo Bonzini case KBD_CCMD_RESET: 390cf83f140SEric Blake qemu_system_reset_request(SHUTDOWN_CAUSE_GUEST_RESET); 39149ab747fSPaolo Bonzini break; 39249ab747fSPaolo Bonzini case KBD_CCMD_NO_OP: 39349ab747fSPaolo Bonzini /* ignore that */ 39449ab747fSPaolo Bonzini break; 39549ab747fSPaolo Bonzini default: 396c2e846bbSPhilippe Mathieu-Daudé qemu_log_mask(LOG_GUEST_ERROR, 397c2e846bbSPhilippe Mathieu-Daudé "unsupported keyboard cmd=0x%02" PRIx64 "\n", val); 39849ab747fSPaolo Bonzini break; 39949ab747fSPaolo Bonzini } 40049ab747fSPaolo Bonzini } 40149ab747fSPaolo Bonzini 40249ab747fSPaolo Bonzini static uint64_t kbd_read_data(void *opaque, hwaddr addr, 40349ab747fSPaolo Bonzini unsigned size) 40449ab747fSPaolo Bonzini { 40549ab747fSPaolo Bonzini KBDState *s = opaque; 40649ab747fSPaolo Bonzini 407ac9192bdSVolker Rümelin if (s->status & KBD_STAT_OBF) { 408ff6e1624SVolker Rümelin kbd_deassert_irq(s); 409ac9192bdSVolker Rümelin if (s->obsrc & KBD_OBSRC_KBD) { 410d1e45668SVolker Rümelin if (s->throttle_timer) { 411d1e45668SVolker Rümelin timer_mod(s->throttle_timer, 412d1e45668SVolker Rümelin qemu_clock_get_us(QEMU_CLOCK_VIRTUAL) + 1000); 413d1e45668SVolker Rümelin } 414ff6e1624SVolker Rümelin s->obdata = ps2_read_data(s->kbd); 415ac9192bdSVolker Rümelin } else if (s->obsrc & KBD_OBSRC_MOUSE) { 416ac9192bdSVolker Rümelin s->obdata = ps2_read_data(s->mouse); 417*aa67a42fSVolker Rümelin } else if (s->obsrc & KBD_OBSRC_CTRL) { 418*aa67a42fSVolker Rümelin s->obdata = kbd_dequeue(s); 419ff6e1624SVolker Rümelin } 420ff6e1624SVolker Rümelin } 42149ab747fSPaolo Bonzini 422ff6e1624SVolker Rümelin trace_pckbd_kbd_read_data(s->obdata); 423ff6e1624SVolker Rümelin return s->obdata; 42449ab747fSPaolo Bonzini } 42549ab747fSPaolo Bonzini 42649ab747fSPaolo Bonzini static void kbd_write_data(void *opaque, hwaddr addr, 42749ab747fSPaolo Bonzini uint64_t val, unsigned size) 42849ab747fSPaolo Bonzini { 42949ab747fSPaolo Bonzini KBDState *s = opaque; 43049ab747fSPaolo Bonzini 43165b182c3SDr. David Alan Gilbert trace_pckbd_kbd_write_data(val); 43249ab747fSPaolo Bonzini 43349ab747fSPaolo Bonzini switch(s->write_cmd) { 43449ab747fSPaolo Bonzini case 0: 43549ab747fSPaolo Bonzini ps2_write_keyboard(s->kbd, val); 43649ab747fSPaolo Bonzini break; 43749ab747fSPaolo Bonzini case KBD_CCMD_WRITE_MODE: 43849ab747fSPaolo Bonzini s->mode = val; 43949ab747fSPaolo Bonzini ps2_keyboard_set_translation(s->kbd, (s->mode & KBD_MODE_KCC) != 0); 440ff6e1624SVolker Rümelin /* 441ff6e1624SVolker Rümelin * a write to the mode byte interrupt enable flags directly updates 442ff6e1624SVolker Rümelin * the irq lines 443ff6e1624SVolker Rümelin */ 444ff6e1624SVolker Rümelin kbd_update_irq_lines(s); 445ff6e1624SVolker Rümelin /* 446ff6e1624SVolker Rümelin * a write to the mode byte disable interface flags may raise 447ff6e1624SVolker Rümelin * an irq if there is pending data in the PS/2 queues. 448ff6e1624SVolker Rümelin */ 449ff6e1624SVolker Rümelin kbd_safe_update_irq(s); 45049ab747fSPaolo Bonzini break; 45149ab747fSPaolo Bonzini case KBD_CCMD_WRITE_OBUF: 45249ab747fSPaolo Bonzini kbd_queue(s, val, 0); 45349ab747fSPaolo Bonzini break; 45449ab747fSPaolo Bonzini case KBD_CCMD_WRITE_AUX_OBUF: 45549ab747fSPaolo Bonzini kbd_queue(s, val, 1); 45649ab747fSPaolo Bonzini break; 45749ab747fSPaolo Bonzini case KBD_CCMD_WRITE_OUTPORT: 45849ab747fSPaolo Bonzini outport_write(s, val); 45949ab747fSPaolo Bonzini break; 46049ab747fSPaolo Bonzini case KBD_CCMD_WRITE_MOUSE: 46149ab747fSPaolo Bonzini ps2_write_mouse(s->mouse, val); 46249ab747fSPaolo Bonzini break; 46349ab747fSPaolo Bonzini default: 46449ab747fSPaolo Bonzini break; 46549ab747fSPaolo Bonzini } 46649ab747fSPaolo Bonzini s->write_cmd = 0; 46749ab747fSPaolo Bonzini } 46849ab747fSPaolo Bonzini 46949ab747fSPaolo Bonzini static void kbd_reset(void *opaque) 47049ab747fSPaolo Bonzini { 47149ab747fSPaolo Bonzini KBDState *s = opaque; 47249ab747fSPaolo Bonzini 47349ab747fSPaolo Bonzini s->mode = KBD_MODE_KBD_INT | KBD_MODE_MOUSE_INT; 47449ab747fSPaolo Bonzini s->status = KBD_STAT_CMD | KBD_STAT_UNLOCKED; 475d13c0404SPaolo Bonzini s->outport = KBD_OUT_RESET | KBD_OUT_A20 | KBD_OUT_ONES; 476a28fe7e3SPavel Dovgalyuk s->outport_present = false; 477ff6e1624SVolker Rümelin s->pending = 0; 478ff6e1624SVolker Rümelin kbd_deassert_irq(s); 479d1e45668SVolker Rümelin if (s->throttle_timer) { 480d1e45668SVolker Rümelin timer_del(s->throttle_timer); 481d1e45668SVolker Rümelin } 482a28fe7e3SPavel Dovgalyuk } 483a28fe7e3SPavel Dovgalyuk 484a28fe7e3SPavel Dovgalyuk static uint8_t kbd_outport_default(KBDState *s) 485a28fe7e3SPavel Dovgalyuk { 486d13c0404SPaolo Bonzini return KBD_OUT_RESET | KBD_OUT_A20 | KBD_OUT_ONES 487a28fe7e3SPavel Dovgalyuk | (s->status & KBD_STAT_OBF ? KBD_OUT_OBF : 0) 488a28fe7e3SPavel Dovgalyuk | (s->status & KBD_STAT_MOUSE_OBF ? KBD_OUT_MOUSE_OBF : 0); 489a28fe7e3SPavel Dovgalyuk } 490a28fe7e3SPavel Dovgalyuk 491a28fe7e3SPavel Dovgalyuk static int kbd_outport_post_load(void *opaque, int version_id) 492a28fe7e3SPavel Dovgalyuk { 493a28fe7e3SPavel Dovgalyuk KBDState *s = opaque; 494a28fe7e3SPavel Dovgalyuk s->outport_present = true; 495a28fe7e3SPavel Dovgalyuk return 0; 496a28fe7e3SPavel Dovgalyuk } 497a28fe7e3SPavel Dovgalyuk 498a28fe7e3SPavel Dovgalyuk static bool kbd_outport_needed(void *opaque) 499a28fe7e3SPavel Dovgalyuk { 500a28fe7e3SPavel Dovgalyuk KBDState *s = opaque; 501a28fe7e3SPavel Dovgalyuk return s->outport != kbd_outport_default(s); 502a28fe7e3SPavel Dovgalyuk } 503a28fe7e3SPavel Dovgalyuk 5045cd8cadaSJuan Quintela static const VMStateDescription vmstate_kbd_outport = { 5055cd8cadaSJuan Quintela .name = "pckbd_outport", 5065cd8cadaSJuan Quintela .version_id = 1, 5075cd8cadaSJuan Quintela .minimum_version_id = 1, 5085cd8cadaSJuan Quintela .post_load = kbd_outport_post_load, 5095cd8cadaSJuan Quintela .needed = kbd_outport_needed, 5105cd8cadaSJuan Quintela .fields = (VMStateField[]) { 5115cd8cadaSJuan Quintela VMSTATE_UINT8(outport, KBDState), 5125cd8cadaSJuan Quintela VMSTATE_END_OF_LIST() 5135cd8cadaSJuan Quintela } 5145cd8cadaSJuan Quintela }; 5155cd8cadaSJuan Quintela 516d1e45668SVolker Rümelin static int kbd_extended_state_pre_save(void *opaque) 517d1e45668SVolker Rümelin { 518d1e45668SVolker Rümelin KBDState *s = opaque; 519d1e45668SVolker Rümelin 520d1e45668SVolker Rümelin s->migration_flags = 0; 521d1e45668SVolker Rümelin if (s->throttle_timer && timer_pending(s->throttle_timer)) { 522d1e45668SVolker Rümelin s->migration_flags |= KBD_MIGR_TIMER_PENDING; 523d1e45668SVolker Rümelin } 524d1e45668SVolker Rümelin 525d1e45668SVolker Rümelin return 0; 526d1e45668SVolker Rümelin } 527d1e45668SVolker Rümelin 528d1e45668SVolker Rümelin static int kbd_extended_state_post_load(void *opaque, int version_id) 529d1e45668SVolker Rümelin { 530d1e45668SVolker Rümelin KBDState *s = opaque; 531d1e45668SVolker Rümelin 532d1e45668SVolker Rümelin if (s->migration_flags & KBD_MIGR_TIMER_PENDING) { 533d1e45668SVolker Rümelin kbd_throttle_timeout(s); 534d1e45668SVolker Rümelin } 535ac9192bdSVolker Rümelin s->extended_state_loaded = true; 536d1e45668SVolker Rümelin 537d1e45668SVolker Rümelin return 0; 538d1e45668SVolker Rümelin } 539d1e45668SVolker Rümelin 540ff6e1624SVolker Rümelin static bool kbd_extended_state_needed(void *opaque) 541ff6e1624SVolker Rümelin { 542ff6e1624SVolker Rümelin KBDState *s = opaque; 543ff6e1624SVolker Rümelin 544ff6e1624SVolker Rümelin return s->extended_state; 545ff6e1624SVolker Rümelin } 546ff6e1624SVolker Rümelin 547ff6e1624SVolker Rümelin static const VMStateDescription vmstate_kbd_extended_state = { 548ff6e1624SVolker Rümelin .name = "pckbd/extended_state", 549d1e45668SVolker Rümelin .post_load = kbd_extended_state_post_load, 550d1e45668SVolker Rümelin .pre_save = kbd_extended_state_pre_save, 551ff6e1624SVolker Rümelin .needed = kbd_extended_state_needed, 552ff6e1624SVolker Rümelin .fields = (VMStateField[]) { 553d1e45668SVolker Rümelin VMSTATE_UINT32(migration_flags, KBDState), 554ac9192bdSVolker Rümelin VMSTATE_UINT32(obsrc, KBDState), 555ff6e1624SVolker Rümelin VMSTATE_UINT8(obdata, KBDState), 556*aa67a42fSVolker Rümelin VMSTATE_UINT8(cbdata, KBDState), 557ff6e1624SVolker Rümelin VMSTATE_END_OF_LIST() 558ff6e1624SVolker Rümelin } 559ff6e1624SVolker Rümelin }; 560ff6e1624SVolker Rümelin 561ac9192bdSVolker Rümelin static int kbd_pre_load(void *opaque) 562ac9192bdSVolker Rümelin { 563ac9192bdSVolker Rümelin KBDState *s = opaque; 564ac9192bdSVolker Rümelin 565ac9192bdSVolker Rümelin s->extended_state_loaded = false; 566ac9192bdSVolker Rümelin return 0; 567ac9192bdSVolker Rümelin } 568ac9192bdSVolker Rümelin 569a28fe7e3SPavel Dovgalyuk static int kbd_post_load(void *opaque, int version_id) 570a28fe7e3SPavel Dovgalyuk { 571a28fe7e3SPavel Dovgalyuk KBDState *s = opaque; 572a28fe7e3SPavel Dovgalyuk if (!s->outport_present) { 573a28fe7e3SPavel Dovgalyuk s->outport = kbd_outport_default(s); 574a28fe7e3SPavel Dovgalyuk } 575a28fe7e3SPavel Dovgalyuk s->outport_present = false; 576ac9192bdSVolker Rümelin if (!s->extended_state_loaded) { 577ac9192bdSVolker Rümelin s->obsrc = s->status & KBD_STAT_OBF ? 578ac9192bdSVolker Rümelin (s->status & KBD_STAT_MOUSE_OBF ? KBD_OBSRC_MOUSE : KBD_OBSRC_KBD) : 579ac9192bdSVolker Rümelin 0; 580ac9192bdSVolker Rümelin } 581a28fe7e3SPavel Dovgalyuk return 0; 58249ab747fSPaolo Bonzini } 58349ab747fSPaolo Bonzini 58449ab747fSPaolo Bonzini static const VMStateDescription vmstate_kbd = { 58549ab747fSPaolo Bonzini .name = "pckbd", 58649ab747fSPaolo Bonzini .version_id = 3, 58749ab747fSPaolo Bonzini .minimum_version_id = 3, 588ac9192bdSVolker Rümelin .pre_load = kbd_pre_load, 589a28fe7e3SPavel Dovgalyuk .post_load = kbd_post_load, 59049ab747fSPaolo Bonzini .fields = (VMStateField[]) { 59149ab747fSPaolo Bonzini VMSTATE_UINT8(write_cmd, KBDState), 59249ab747fSPaolo Bonzini VMSTATE_UINT8(status, KBDState), 59349ab747fSPaolo Bonzini VMSTATE_UINT8(mode, KBDState), 59449ab747fSPaolo Bonzini VMSTATE_UINT8(pending, KBDState), 59549ab747fSPaolo Bonzini VMSTATE_END_OF_LIST() 596a28fe7e3SPavel Dovgalyuk }, 5975cd8cadaSJuan Quintela .subsections = (const VMStateDescription*[]) { 5985cd8cadaSJuan Quintela &vmstate_kbd_outport, 599ff6e1624SVolker Rümelin &vmstate_kbd_extended_state, 6005cd8cadaSJuan Quintela NULL 60149ab747fSPaolo Bonzini } 60249ab747fSPaolo Bonzini }; 60349ab747fSPaolo Bonzini 60449ab747fSPaolo Bonzini /* Memory mapped interface */ 6055876503cSPeter Maydell static uint64_t kbd_mm_readfn(void *opaque, hwaddr addr, unsigned size) 60649ab747fSPaolo Bonzini { 60749ab747fSPaolo Bonzini KBDState *s = opaque; 60849ab747fSPaolo Bonzini 60949ab747fSPaolo Bonzini if (addr & s->mask) 61049ab747fSPaolo Bonzini return kbd_read_status(s, 0, 1) & 0xff; 61149ab747fSPaolo Bonzini else 61249ab747fSPaolo Bonzini return kbd_read_data(s, 0, 1) & 0xff; 61349ab747fSPaolo Bonzini } 61449ab747fSPaolo Bonzini 6155876503cSPeter Maydell static void kbd_mm_writefn(void *opaque, hwaddr addr, 6165876503cSPeter Maydell uint64_t value, unsigned size) 61749ab747fSPaolo Bonzini { 61849ab747fSPaolo Bonzini KBDState *s = opaque; 61949ab747fSPaolo Bonzini 62049ab747fSPaolo Bonzini if (addr & s->mask) 62149ab747fSPaolo Bonzini kbd_write_command(s, 0, value & 0xff, 1); 62249ab747fSPaolo Bonzini else 62349ab747fSPaolo Bonzini kbd_write_data(s, 0, value & 0xff, 1); 62449ab747fSPaolo Bonzini } 62549ab747fSPaolo Bonzini 6265876503cSPeter Maydell 62749ab747fSPaolo Bonzini static const MemoryRegionOps i8042_mmio_ops = { 6285876503cSPeter Maydell .read = kbd_mm_readfn, 6295876503cSPeter Maydell .write = kbd_mm_writefn, 6305876503cSPeter Maydell .valid.min_access_size = 1, 6315876503cSPeter Maydell .valid.max_access_size = 4, 63249ab747fSPaolo Bonzini .endianness = DEVICE_NATIVE_ENDIAN, 63349ab747fSPaolo Bonzini }; 63449ab747fSPaolo Bonzini 63549ab747fSPaolo Bonzini void i8042_mm_init(qemu_irq kbd_irq, qemu_irq mouse_irq, 63649ab747fSPaolo Bonzini MemoryRegion *region, ram_addr_t size, 63749ab747fSPaolo Bonzini hwaddr mask) 63849ab747fSPaolo Bonzini { 63949ab747fSPaolo Bonzini KBDState *s = g_malloc0(sizeof(KBDState)); 64049ab747fSPaolo Bonzini 64149ab747fSPaolo Bonzini s->irq_kbd = kbd_irq; 64249ab747fSPaolo Bonzini s->irq_mouse = mouse_irq; 64349ab747fSPaolo Bonzini s->mask = mask; 64449ab747fSPaolo Bonzini 645ff6e1624SVolker Rümelin s->extended_state = true; 646ff6e1624SVolker Rümelin 64749ab747fSPaolo Bonzini vmstate_register(NULL, 0, &vmstate_kbd, s); 64849ab747fSPaolo Bonzini 6492c9b15caSPaolo Bonzini memory_region_init_io(region, NULL, &i8042_mmio_ops, s, "i8042", size); 65049ab747fSPaolo Bonzini 65149ab747fSPaolo Bonzini s->kbd = ps2_kbd_init(kbd_update_kbd_irq, s); 65249ab747fSPaolo Bonzini s->mouse = ps2_mouse_init(kbd_update_aux_irq, s); 65349ab747fSPaolo Bonzini qemu_register_reset(kbd_reset, s); 65449ab747fSPaolo Bonzini } 65549ab747fSPaolo Bonzini 6560fe4bb32SMarc-André Lureau struct ISAKBDState { 657a2e0b863SAndreas Färber ISADevice parent_obj; 658a2e0b863SAndreas Färber 65949ab747fSPaolo Bonzini KBDState kbd; 660d1e45668SVolker Rümelin bool kbd_throttle; 66149ab747fSPaolo Bonzini MemoryRegion io[2]; 6620fe4bb32SMarc-André Lureau }; 66349ab747fSPaolo Bonzini 6640fe4bb32SMarc-André Lureau void i8042_isa_mouse_fake_event(ISAKBDState *isa) 66549ab747fSPaolo Bonzini { 666a2e0b863SAndreas Färber KBDState *s = &isa->kbd; 66749ab747fSPaolo Bonzini 66849ab747fSPaolo Bonzini ps2_mouse_fake_event(s->mouse); 66949ab747fSPaolo Bonzini } 67049ab747fSPaolo Bonzini 671d80fe99dSMarc-André Lureau void i8042_setup_a20_line(ISADevice *dev, qemu_irq a20_out) 67249ab747fSPaolo Bonzini { 673d80fe99dSMarc-André Lureau qdev_connect_gpio_out_named(DEVICE(dev), I8042_A20_LINE, 0, a20_out); 67449ab747fSPaolo Bonzini } 67549ab747fSPaolo Bonzini 67649ab747fSPaolo Bonzini static const VMStateDescription vmstate_kbd_isa = { 67749ab747fSPaolo Bonzini .name = "pckbd", 67849ab747fSPaolo Bonzini .version_id = 3, 67949ab747fSPaolo Bonzini .minimum_version_id = 3, 68049ab747fSPaolo Bonzini .fields = (VMStateField[]) { 68149ab747fSPaolo Bonzini VMSTATE_STRUCT(kbd, ISAKBDState, 0, vmstate_kbd, KBDState), 68249ab747fSPaolo Bonzini VMSTATE_END_OF_LIST() 68349ab747fSPaolo Bonzini } 68449ab747fSPaolo Bonzini }; 68549ab747fSPaolo Bonzini 68649ab747fSPaolo Bonzini static const MemoryRegionOps i8042_data_ops = { 68749ab747fSPaolo Bonzini .read = kbd_read_data, 68849ab747fSPaolo Bonzini .write = kbd_write_data, 68949ab747fSPaolo Bonzini .impl = { 69049ab747fSPaolo Bonzini .min_access_size = 1, 69149ab747fSPaolo Bonzini .max_access_size = 1, 69249ab747fSPaolo Bonzini }, 69349ab747fSPaolo Bonzini .endianness = DEVICE_LITTLE_ENDIAN, 69449ab747fSPaolo Bonzini }; 69549ab747fSPaolo Bonzini 69649ab747fSPaolo Bonzini static const MemoryRegionOps i8042_cmd_ops = { 69749ab747fSPaolo Bonzini .read = kbd_read_status, 69849ab747fSPaolo Bonzini .write = kbd_write_command, 69949ab747fSPaolo Bonzini .impl = { 70049ab747fSPaolo Bonzini .min_access_size = 1, 70149ab747fSPaolo Bonzini .max_access_size = 1, 70249ab747fSPaolo Bonzini }, 70349ab747fSPaolo Bonzini .endianness = DEVICE_LITTLE_ENDIAN, 70449ab747fSPaolo Bonzini }; 70549ab747fSPaolo Bonzini 706db895a1eSAndreas Färber static void i8042_initfn(Object *obj) 70749ab747fSPaolo Bonzini { 708db895a1eSAndreas Färber ISAKBDState *isa_s = I8042(obj); 709db895a1eSAndreas Färber KBDState *s = &isa_s->kbd; 710db895a1eSAndreas Färber 7111437c94bSPaolo Bonzini memory_region_init_io(isa_s->io + 0, obj, &i8042_data_ops, s, 7121437c94bSPaolo Bonzini "i8042-data", 1); 7131437c94bSPaolo Bonzini memory_region_init_io(isa_s->io + 1, obj, &i8042_cmd_ops, s, 7141437c94bSPaolo Bonzini "i8042-cmd", 1); 7153115b9e2SEfimov Vasily 7163115b9e2SEfimov Vasily qdev_init_gpio_out_named(DEVICE(obj), &s->a20_out, I8042_A20_LINE, 1); 717db895a1eSAndreas Färber } 718db895a1eSAndreas Färber 719db895a1eSAndreas Färber static void i8042_realizefn(DeviceState *dev, Error **errp) 720db895a1eSAndreas Färber { 721db895a1eSAndreas Färber ISADevice *isadev = ISA_DEVICE(dev); 722a2e0b863SAndreas Färber ISAKBDState *isa_s = I8042(dev); 72349ab747fSPaolo Bonzini KBDState *s = &isa_s->kbd; 72449ab747fSPaolo Bonzini 725db895a1eSAndreas Färber isa_init_irq(isadev, &s->irq_kbd, 1); 726db895a1eSAndreas Färber isa_init_irq(isadev, &s->irq_mouse, 12); 72749ab747fSPaolo Bonzini 728db895a1eSAndreas Färber isa_register_ioport(isadev, isa_s->io + 0, 0x60); 729db895a1eSAndreas Färber isa_register_ioport(isadev, isa_s->io + 1, 0x64); 73049ab747fSPaolo Bonzini 73149ab747fSPaolo Bonzini s->kbd = ps2_kbd_init(kbd_update_kbd_irq, s); 73249ab747fSPaolo Bonzini s->mouse = ps2_mouse_init(kbd_update_aux_irq, s); 733d1e45668SVolker Rümelin if (isa_s->kbd_throttle && !isa_s->kbd.extended_state) { 734d1e45668SVolker Rümelin warn_report(TYPE_I8042 ": can't enable kbd-throttle without" 735d1e45668SVolker Rümelin " extended-state, disabling kbd-throttle"); 736d1e45668SVolker Rümelin } else if (isa_s->kbd_throttle) { 737d1e45668SVolker Rümelin s->throttle_timer = timer_new_us(QEMU_CLOCK_VIRTUAL, 738d1e45668SVolker Rümelin kbd_throttle_timeout, s); 739d1e45668SVolker Rümelin } 74049ab747fSPaolo Bonzini qemu_register_reset(kbd_reset, s); 74149ab747fSPaolo Bonzini } 74249ab747fSPaolo Bonzini 743df0f3d13SGerd Hoffmann static void i8042_build_aml(ISADevice *isadev, Aml *scope) 744df0f3d13SGerd Hoffmann { 745df0f3d13SGerd Hoffmann Aml *kbd; 746df0f3d13SGerd Hoffmann Aml *mou; 747df0f3d13SGerd Hoffmann Aml *crs; 748df0f3d13SGerd Hoffmann 749df0f3d13SGerd Hoffmann crs = aml_resource_template(); 750df0f3d13SGerd Hoffmann aml_append(crs, aml_io(AML_DECODE16, 0x0060, 0x0060, 0x01, 0x01)); 751df0f3d13SGerd Hoffmann aml_append(crs, aml_io(AML_DECODE16, 0x0064, 0x0064, 0x01, 0x01)); 752df0f3d13SGerd Hoffmann aml_append(crs, aml_irq_no_flags(1)); 753df0f3d13SGerd Hoffmann 754df0f3d13SGerd Hoffmann kbd = aml_device("KBD"); 755df0f3d13SGerd Hoffmann aml_append(kbd, aml_name_decl("_HID", aml_eisaid("PNP0303"))); 756df0f3d13SGerd Hoffmann aml_append(kbd, aml_name_decl("_STA", aml_int(0xf))); 757df0f3d13SGerd Hoffmann aml_append(kbd, aml_name_decl("_CRS", crs)); 758df0f3d13SGerd Hoffmann 759df0f3d13SGerd Hoffmann crs = aml_resource_template(); 760df0f3d13SGerd Hoffmann aml_append(crs, aml_irq_no_flags(12)); 761df0f3d13SGerd Hoffmann 762df0f3d13SGerd Hoffmann mou = aml_device("MOU"); 763df0f3d13SGerd Hoffmann aml_append(mou, aml_name_decl("_HID", aml_eisaid("PNP0F13"))); 764df0f3d13SGerd Hoffmann aml_append(mou, aml_name_decl("_STA", aml_int(0xf))); 765df0f3d13SGerd Hoffmann aml_append(mou, aml_name_decl("_CRS", crs)); 766df0f3d13SGerd Hoffmann 767df0f3d13SGerd Hoffmann aml_append(scope, kbd); 768df0f3d13SGerd Hoffmann aml_append(scope, mou); 769df0f3d13SGerd Hoffmann } 770df0f3d13SGerd Hoffmann 771ff6e1624SVolker Rümelin static Property i8042_properties[] = { 772ff6e1624SVolker Rümelin DEFINE_PROP_BOOL("extended-state", ISAKBDState, kbd.extended_state, true), 773d1e45668SVolker Rümelin DEFINE_PROP_BOOL("kbd-throttle", ISAKBDState, kbd_throttle, false), 774ff6e1624SVolker Rümelin DEFINE_PROP_END_OF_LIST(), 775ff6e1624SVolker Rümelin }; 776ff6e1624SVolker Rümelin 77749ab747fSPaolo Bonzini static void i8042_class_initfn(ObjectClass *klass, void *data) 77849ab747fSPaolo Bonzini { 77949ab747fSPaolo Bonzini DeviceClass *dc = DEVICE_CLASS(klass); 780df0f3d13SGerd Hoffmann ISADeviceClass *isa = ISA_DEVICE_CLASS(klass); 781db895a1eSAndreas Färber 782ff6e1624SVolker Rümelin device_class_set_props(dc, i8042_properties); 783db895a1eSAndreas Färber dc->realize = i8042_realizefn; 78449ab747fSPaolo Bonzini dc->vmsd = &vmstate_kbd_isa; 785df0f3d13SGerd Hoffmann isa->build_aml = i8042_build_aml; 786cbe9ed73Skumar sourav set_bit(DEVICE_CATEGORY_INPUT, dc->categories); 78749ab747fSPaolo Bonzini } 78849ab747fSPaolo Bonzini 78949ab747fSPaolo Bonzini static const TypeInfo i8042_info = { 790a2e0b863SAndreas Färber .name = TYPE_I8042, 79149ab747fSPaolo Bonzini .parent = TYPE_ISA_DEVICE, 79249ab747fSPaolo Bonzini .instance_size = sizeof(ISAKBDState), 793db895a1eSAndreas Färber .instance_init = i8042_initfn, 79449ab747fSPaolo Bonzini .class_init = i8042_class_initfn, 79549ab747fSPaolo Bonzini }; 79649ab747fSPaolo Bonzini 79749ab747fSPaolo Bonzini static void i8042_register_types(void) 79849ab747fSPaolo Bonzini { 79949ab747fSPaolo Bonzini type_register_static(&i8042_info); 80049ab747fSPaolo Bonzini } 80149ab747fSPaolo Bonzini 80249ab747fSPaolo Bonzini type_init(i8042_register_types) 803