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" 29*b86ce7a6SBernhard Beschow #include "qapi/error.h" 3049ab747fSPaolo Bonzini #include "hw/isa/isa.h" 31d6454270SMarkus Armbruster #include "migration/vmstate.h" 32df0f3d13SGerd Hoffmann #include "hw/acpi/aml-build.h" 3349ab747fSPaolo Bonzini #include "hw/input/ps2.h" 3464552b6bSMarkus Armbruster #include "hw/irq.h" 3547973a2dSPhilippe Mathieu-Daudé #include "hw/input/i8042.h" 36ff6e1624SVolker Rümelin #include "hw/qdev-properties.h" 3771e8a915SMarkus Armbruster #include "sysemu/reset.h" 3854d31236SMarkus Armbruster #include "sysemu/runstate.h" 3949ab747fSPaolo Bonzini 4065b182c3SDr. David Alan Gilbert #include "trace.h" 4149ab747fSPaolo Bonzini 4249ab747fSPaolo Bonzini /* Keyboard Controller Commands */ 4349ab747fSPaolo Bonzini #define KBD_CCMD_READ_MODE 0x20 /* Read mode bits */ 4449ab747fSPaolo Bonzini #define KBD_CCMD_WRITE_MODE 0x60 /* Write mode bits */ 4549ab747fSPaolo Bonzini #define KBD_CCMD_GET_VERSION 0xA1 /* Get controller version */ 4649ab747fSPaolo Bonzini #define KBD_CCMD_MOUSE_DISABLE 0xA7 /* Disable mouse interface */ 4749ab747fSPaolo Bonzini #define KBD_CCMD_MOUSE_ENABLE 0xA8 /* Enable mouse interface */ 4849ab747fSPaolo Bonzini #define KBD_CCMD_TEST_MOUSE 0xA9 /* Mouse interface test */ 4949ab747fSPaolo Bonzini #define KBD_CCMD_SELF_TEST 0xAA /* Controller self test */ 5049ab747fSPaolo Bonzini #define KBD_CCMD_KBD_TEST 0xAB /* Keyboard interface test */ 5149ab747fSPaolo Bonzini #define KBD_CCMD_KBD_DISABLE 0xAD /* Keyboard interface disable */ 5249ab747fSPaolo Bonzini #define KBD_CCMD_KBD_ENABLE 0xAE /* Keyboard interface enable */ 5349ab747fSPaolo Bonzini #define KBD_CCMD_READ_INPORT 0xC0 /* read input port */ 5449ab747fSPaolo Bonzini #define KBD_CCMD_READ_OUTPORT 0xD0 /* read output port */ 5549ab747fSPaolo Bonzini #define KBD_CCMD_WRITE_OUTPORT 0xD1 /* write output port */ 5649ab747fSPaolo Bonzini #define KBD_CCMD_WRITE_OBUF 0xD2 5749ab747fSPaolo Bonzini #define KBD_CCMD_WRITE_AUX_OBUF 0xD3 /* Write to output buffer as if 5849ab747fSPaolo Bonzini initiated by the auxiliary device */ 5949ab747fSPaolo Bonzini #define KBD_CCMD_WRITE_MOUSE 0xD4 /* Write the following byte to the mouse */ 6049ab747fSPaolo Bonzini #define KBD_CCMD_DISABLE_A20 0xDD /* HP vectra only ? */ 6149ab747fSPaolo Bonzini #define KBD_CCMD_ENABLE_A20 0xDF /* HP vectra only ? */ 6249ab747fSPaolo Bonzini #define KBD_CCMD_PULSE_BITS_3_0 0xF0 /* Pulse bits 3-0 of the output port P2. */ 6349ab747fSPaolo Bonzini #define KBD_CCMD_RESET 0xFE /* Pulse bit 0 of the output port P2 = CPU reset. */ 6449ab747fSPaolo Bonzini #define KBD_CCMD_NO_OP 0xFF /* Pulse no bits of the output port P2. */ 6549ab747fSPaolo Bonzini 6649ab747fSPaolo Bonzini /* Status Register Bits */ 6749ab747fSPaolo Bonzini #define KBD_STAT_OBF 0x01 /* Keyboard output buffer full */ 6849ab747fSPaolo Bonzini #define KBD_STAT_IBF 0x02 /* Keyboard input buffer full */ 6949ab747fSPaolo Bonzini #define KBD_STAT_SELFTEST 0x04 /* Self test successful */ 7049ab747fSPaolo Bonzini #define KBD_STAT_CMD 0x08 /* Last write was a command write (0=data) */ 7149ab747fSPaolo Bonzini #define KBD_STAT_UNLOCKED 0x10 /* Zero if keyboard locked */ 7249ab747fSPaolo Bonzini #define KBD_STAT_MOUSE_OBF 0x20 /* Mouse output buffer full */ 7349ab747fSPaolo Bonzini #define KBD_STAT_GTO 0x40 /* General receive/xmit timeout */ 7449ab747fSPaolo Bonzini #define KBD_STAT_PERR 0x80 /* Parity error */ 7549ab747fSPaolo Bonzini 7649ab747fSPaolo Bonzini /* Controller Mode Register Bits */ 7749ab747fSPaolo Bonzini #define KBD_MODE_KBD_INT 0x01 /* Keyboard data generate IRQ1 */ 7849ab747fSPaolo Bonzini #define KBD_MODE_MOUSE_INT 0x02 /* Mouse data generate IRQ12 */ 7949ab747fSPaolo Bonzini #define KBD_MODE_SYS 0x04 /* The system flag (?) */ 8049ab747fSPaolo Bonzini #define KBD_MODE_NO_KEYLOCK 0x08 /* The keylock doesn't affect the keyboard if set */ 8149ab747fSPaolo Bonzini #define KBD_MODE_DISABLE_KBD 0x10 /* Disable keyboard interface */ 8249ab747fSPaolo Bonzini #define KBD_MODE_DISABLE_MOUSE 0x20 /* Disable mouse interface */ 8349ab747fSPaolo Bonzini #define KBD_MODE_KCC 0x40 /* Scan code conversion to PC format */ 8449ab747fSPaolo Bonzini #define KBD_MODE_RFU 0x80 8549ab747fSPaolo Bonzini 8649ab747fSPaolo Bonzini /* Output Port Bits */ 8749ab747fSPaolo Bonzini #define KBD_OUT_RESET 0x01 /* 1=normal mode, 0=reset */ 8849ab747fSPaolo Bonzini #define KBD_OUT_A20 0x02 /* x86 only */ 8949ab747fSPaolo Bonzini #define KBD_OUT_OBF 0x10 /* Keyboard output buffer full */ 9049ab747fSPaolo Bonzini #define KBD_OUT_MOUSE_OBF 0x20 /* Mouse output buffer full */ 9149ab747fSPaolo Bonzini 92d13c0404SPaolo Bonzini /* OSes typically write 0xdd/0xdf to turn the A20 line off and on. 93d13c0404SPaolo Bonzini * We make the default value of the outport include these four bits, 94d13c0404SPaolo Bonzini * so that the subsection is rarely necessary. 95d13c0404SPaolo Bonzini */ 96d13c0404SPaolo Bonzini #define KBD_OUT_ONES 0xcc 97d13c0404SPaolo Bonzini 98f6f57a82SVolker Rümelin #define KBD_PENDING_KBD_COMPAT 0x01 99f6f57a82SVolker Rümelin #define KBD_PENDING_AUX_COMPAT 0x02 100aa67a42fSVolker Rümelin #define KBD_PENDING_CTRL_KBD 0x04 101aa67a42fSVolker Rümelin #define KBD_PENDING_CTRL_AUX 0x08 102f6f57a82SVolker Rümelin #define KBD_PENDING_KBD KBD_MODE_DISABLE_KBD /* 0x10 */ 103f6f57a82SVolker Rümelin #define KBD_PENDING_AUX KBD_MODE_DISABLE_MOUSE /* 0x20 */ 10449ab747fSPaolo Bonzini 105d1e45668SVolker Rümelin #define KBD_MIGR_TIMER_PENDING 0x1 106d1e45668SVolker Rümelin 107ac9192bdSVolker Rümelin #define KBD_OBSRC_KBD 0x01 108ac9192bdSVolker Rümelin #define KBD_OBSRC_MOUSE 0x02 109aa67a42fSVolker Rümelin #define KBD_OBSRC_CTRL 0x04 110ac9192bdSVolker Rümelin 11149ab747fSPaolo Bonzini typedef struct KBDState { 11249ab747fSPaolo Bonzini uint8_t write_cmd; /* if non zero, write data to port 60 is expected */ 11349ab747fSPaolo Bonzini uint8_t status; 11449ab747fSPaolo Bonzini uint8_t mode; 11549ab747fSPaolo Bonzini uint8_t outport; 116d1e45668SVolker Rümelin uint32_t migration_flags; 117ac9192bdSVolker Rümelin uint32_t obsrc; 118a28fe7e3SPavel Dovgalyuk bool outport_present; 119ff6e1624SVolker Rümelin bool extended_state; 120ac9192bdSVolker Rümelin bool extended_state_loaded; 12149ab747fSPaolo Bonzini /* Bitmask of devices with data available. */ 12249ab747fSPaolo Bonzini uint8_t pending; 123ff6e1624SVolker Rümelin uint8_t obdata; 124aa67a42fSVolker Rümelin uint8_t cbdata; 125f6f57a82SVolker Rümelin uint8_t pending_tmp; 12649ab747fSPaolo Bonzini void *kbd; 12749ab747fSPaolo Bonzini void *mouse; 128d1e45668SVolker Rümelin QEMUTimer *throttle_timer; 12949ab747fSPaolo Bonzini 13049ab747fSPaolo Bonzini qemu_irq irq_kbd; 13149ab747fSPaolo Bonzini qemu_irq irq_mouse; 1323115b9e2SEfimov Vasily qemu_irq a20_out; 13349ab747fSPaolo Bonzini hwaddr mask; 13449ab747fSPaolo Bonzini } KBDState; 13549ab747fSPaolo Bonzini 13649ab747fSPaolo Bonzini /* XXX: not generating the irqs if KBD_MODE_DISABLE_KBD is set may be 13749ab747fSPaolo Bonzini incorrect, but it avoids having to simulate exact delays */ 138c3c4a961SVolker Rümelin static void kbd_update_irq_lines(KBDState *s) 13949ab747fSPaolo Bonzini { 14049ab747fSPaolo Bonzini int irq_kbd_level, irq_mouse_level; 14149ab747fSPaolo Bonzini 14249ab747fSPaolo Bonzini irq_kbd_level = 0; 14349ab747fSPaolo Bonzini irq_mouse_level = 0; 144c3c4a961SVolker Rümelin 145c3c4a961SVolker Rümelin if (s->status & KBD_STAT_OBF) { 146c3c4a961SVolker Rümelin if (s->status & KBD_STAT_MOUSE_OBF) { 147c3c4a961SVolker Rümelin if (s->mode & KBD_MODE_MOUSE_INT) { 148c3c4a961SVolker Rümelin irq_mouse_level = 1; 149c3c4a961SVolker Rümelin } 150c3c4a961SVolker Rümelin } else { 151c3c4a961SVolker Rümelin if ((s->mode & KBD_MODE_KBD_INT) && 152c3c4a961SVolker Rümelin !(s->mode & KBD_MODE_DISABLE_KBD)) { 153c3c4a961SVolker Rümelin irq_kbd_level = 1; 154c3c4a961SVolker Rümelin } 155c3c4a961SVolker Rümelin } 156c3c4a961SVolker Rümelin } 157c3c4a961SVolker Rümelin qemu_set_irq(s->irq_kbd, irq_kbd_level); 158c3c4a961SVolker Rümelin qemu_set_irq(s->irq_mouse, irq_mouse_level); 159c3c4a961SVolker Rümelin } 160c3c4a961SVolker Rümelin 161ff6e1624SVolker Rümelin static void kbd_deassert_irq(KBDState *s) 162ff6e1624SVolker Rümelin { 163ff6e1624SVolker Rümelin s->status &= ~(KBD_STAT_OBF | KBD_STAT_MOUSE_OBF); 164ff6e1624SVolker Rümelin s->outport &= ~(KBD_OUT_OBF | KBD_OUT_MOUSE_OBF); 165ff6e1624SVolker Rümelin kbd_update_irq_lines(s); 166ff6e1624SVolker Rümelin } 167ff6e1624SVolker Rümelin 168e4697fabSVolker Rümelin static uint8_t kbd_pending(KBDState *s) 169e4697fabSVolker Rümelin { 170f6f57a82SVolker Rümelin if (s->extended_state) { 171f6f57a82SVolker Rümelin return s->pending & (~s->mode | ~(KBD_PENDING_KBD | KBD_PENDING_AUX)); 172f6f57a82SVolker Rümelin } else { 173e4697fabSVolker Rümelin return s->pending; 174e4697fabSVolker Rümelin } 175f6f57a82SVolker Rümelin } 176e4697fabSVolker Rümelin 177c3c4a961SVolker Rümelin /* update irq and KBD_STAT_[MOUSE_]OBF */ 178c3c4a961SVolker Rümelin static void kbd_update_irq(KBDState *s) 179c3c4a961SVolker Rümelin { 180e4697fabSVolker Rümelin uint8_t pending = kbd_pending(s); 181e4697fabSVolker Rümelin 18249ab747fSPaolo Bonzini s->status &= ~(KBD_STAT_OBF | KBD_STAT_MOUSE_OBF); 18349ab747fSPaolo Bonzini s->outport &= ~(KBD_OUT_OBF | KBD_OUT_MOUSE_OBF); 184e4697fabSVolker Rümelin if (pending) { 18549ab747fSPaolo Bonzini s->status |= KBD_STAT_OBF; 18649ab747fSPaolo Bonzini s->outport |= KBD_OUT_OBF; 187e4697fabSVolker Rümelin if (pending & KBD_PENDING_CTRL_KBD) { 188aa67a42fSVolker Rümelin s->obsrc = KBD_OBSRC_CTRL; 189e4697fabSVolker Rümelin } else if (pending & KBD_PENDING_CTRL_AUX) { 190aa67a42fSVolker Rümelin s->status |= KBD_STAT_MOUSE_OBF; 191aa67a42fSVolker Rümelin s->outport |= KBD_OUT_MOUSE_OBF; 192aa67a42fSVolker Rümelin s->obsrc = KBD_OBSRC_CTRL; 193e4697fabSVolker Rümelin } else if (pending & KBD_PENDING_KBD) { 194aa67a42fSVolker Rümelin s->obsrc = KBD_OBSRC_KBD; 195aa67a42fSVolker Rümelin } else { 19649ab747fSPaolo Bonzini s->status |= KBD_STAT_MOUSE_OBF; 19749ab747fSPaolo Bonzini s->outport |= KBD_OUT_MOUSE_OBF; 198ac9192bdSVolker Rümelin s->obsrc = KBD_OBSRC_MOUSE; 19949ab747fSPaolo Bonzini } 20049ab747fSPaolo Bonzini } 201c3c4a961SVolker Rümelin kbd_update_irq_lines(s); 20249ab747fSPaolo Bonzini } 20349ab747fSPaolo Bonzini 204ff6e1624SVolker Rümelin static void kbd_safe_update_irq(KBDState *s) 205ff6e1624SVolker Rümelin { 206ff6e1624SVolker Rümelin /* 207ff6e1624SVolker Rümelin * with KBD_STAT_OBF set, a call to kbd_read_data() will eventually call 208ff6e1624SVolker Rümelin * kbd_update_irq() 209ff6e1624SVolker Rümelin */ 210ff6e1624SVolker Rümelin if (s->status & KBD_STAT_OBF) { 211ff6e1624SVolker Rümelin return; 212ff6e1624SVolker Rümelin } 213d1e45668SVolker Rümelin /* the throttle timer is pending and will call kbd_update_irq() */ 214d1e45668SVolker Rümelin if (s->throttle_timer && timer_pending(s->throttle_timer)) { 215d1e45668SVolker Rümelin return; 216d1e45668SVolker Rümelin } 217e4697fabSVolker Rümelin if (kbd_pending(s)) { 218ff6e1624SVolker Rümelin kbd_update_irq(s); 219ff6e1624SVolker Rümelin } 220ff6e1624SVolker Rümelin } 221ff6e1624SVolker Rümelin 22249ab747fSPaolo Bonzini static void kbd_update_kbd_irq(void *opaque, int level) 22349ab747fSPaolo Bonzini { 224ff6e1624SVolker Rümelin KBDState *s = opaque; 22549ab747fSPaolo Bonzini 226ff6e1624SVolker Rümelin if (level) { 22749ab747fSPaolo Bonzini s->pending |= KBD_PENDING_KBD; 228ff6e1624SVolker Rümelin } else { 22949ab747fSPaolo Bonzini s->pending &= ~KBD_PENDING_KBD; 230ff6e1624SVolker Rümelin } 231ff6e1624SVolker Rümelin kbd_safe_update_irq(s); 23249ab747fSPaolo Bonzini } 23349ab747fSPaolo Bonzini 23449ab747fSPaolo Bonzini static void kbd_update_aux_irq(void *opaque, int level) 23549ab747fSPaolo Bonzini { 236ff6e1624SVolker Rümelin KBDState *s = opaque; 23749ab747fSPaolo Bonzini 238ff6e1624SVolker Rümelin if (level) { 23949ab747fSPaolo Bonzini s->pending |= KBD_PENDING_AUX; 240ff6e1624SVolker Rümelin } else { 24149ab747fSPaolo Bonzini s->pending &= ~KBD_PENDING_AUX; 242ff6e1624SVolker Rümelin } 243ff6e1624SVolker Rümelin kbd_safe_update_irq(s); 24449ab747fSPaolo Bonzini } 24549ab747fSPaolo Bonzini 246d1e45668SVolker Rümelin static void kbd_throttle_timeout(void *opaque) 247d1e45668SVolker Rümelin { 248d1e45668SVolker Rümelin KBDState *s = opaque; 249d1e45668SVolker Rümelin 250e4697fabSVolker Rümelin if (kbd_pending(s)) { 251d1e45668SVolker Rümelin kbd_update_irq(s); 252d1e45668SVolker Rümelin } 253d1e45668SVolker Rümelin } 254d1e45668SVolker Rümelin 25549ab747fSPaolo Bonzini static uint64_t kbd_read_status(void *opaque, hwaddr addr, 25649ab747fSPaolo Bonzini unsigned size) 25749ab747fSPaolo Bonzini { 25849ab747fSPaolo Bonzini KBDState *s = opaque; 25949ab747fSPaolo Bonzini int val; 26049ab747fSPaolo Bonzini val = s->status; 26165b182c3SDr. David Alan Gilbert trace_pckbd_kbd_read_status(val); 26249ab747fSPaolo Bonzini return val; 26349ab747fSPaolo Bonzini } 26449ab747fSPaolo Bonzini 26549ab747fSPaolo Bonzini static void kbd_queue(KBDState *s, int b, int aux) 26649ab747fSPaolo Bonzini { 267aa67a42fSVolker Rümelin if (s->extended_state) { 268aa67a42fSVolker Rümelin s->cbdata = b; 269aa67a42fSVolker Rümelin s->pending &= ~KBD_PENDING_CTRL_KBD & ~KBD_PENDING_CTRL_AUX; 270aa67a42fSVolker Rümelin s->pending |= aux ? KBD_PENDING_CTRL_AUX : KBD_PENDING_CTRL_KBD; 271aa67a42fSVolker Rümelin kbd_safe_update_irq(s); 272aa67a42fSVolker Rümelin } else { 273aa67a42fSVolker Rümelin ps2_queue(aux ? s->mouse : s->kbd, b); 274aa67a42fSVolker Rümelin } 275aa67a42fSVolker Rümelin } 276aa67a42fSVolker Rümelin 277aa67a42fSVolker Rümelin static uint8_t kbd_dequeue(KBDState *s) 278aa67a42fSVolker Rümelin { 279aa67a42fSVolker Rümelin uint8_t b = s->cbdata; 280aa67a42fSVolker Rümelin 281aa67a42fSVolker Rümelin s->pending &= ~KBD_PENDING_CTRL_KBD & ~KBD_PENDING_CTRL_AUX; 282e4697fabSVolker Rümelin if (kbd_pending(s)) { 283aa67a42fSVolker Rümelin kbd_update_irq(s); 284aa67a42fSVolker Rümelin } 285aa67a42fSVolker Rümelin return b; 28649ab747fSPaolo Bonzini } 28749ab747fSPaolo Bonzini 28849ab747fSPaolo Bonzini static void outport_write(KBDState *s, uint32_t val) 28949ab747fSPaolo Bonzini { 29065b182c3SDr. David Alan Gilbert trace_pckbd_outport_write(val); 29149ab747fSPaolo Bonzini s->outport = val; 2923115b9e2SEfimov Vasily qemu_set_irq(s->a20_out, (val >> 1) & 1); 29349ab747fSPaolo Bonzini if (!(val & 1)) { 294cf83f140SEric Blake qemu_system_reset_request(SHUTDOWN_CAUSE_GUEST_RESET); 29549ab747fSPaolo Bonzini } 29649ab747fSPaolo Bonzini } 29749ab747fSPaolo Bonzini 29849ab747fSPaolo Bonzini static void kbd_write_command(void *opaque, hwaddr addr, 29949ab747fSPaolo Bonzini uint64_t val, unsigned size) 30049ab747fSPaolo Bonzini { 30149ab747fSPaolo Bonzini KBDState *s = opaque; 30249ab747fSPaolo Bonzini 30365b182c3SDr. David Alan Gilbert trace_pckbd_kbd_write_command(val); 30449ab747fSPaolo Bonzini 30549ab747fSPaolo Bonzini /* Bits 3-0 of the output port P2 of the keyboard controller may be pulsed 30649ab747fSPaolo Bonzini * low for approximately 6 micro seconds. Bits 3-0 of the KBD_CCMD_PULSE 30749ab747fSPaolo Bonzini * command specify the output port bits to be pulsed. 30849ab747fSPaolo Bonzini * 0: Bit should be pulsed. 1: Bit should not be modified. 30949ab747fSPaolo Bonzini * The only useful version of this command is pulsing bit 0, 31049ab747fSPaolo Bonzini * which does a CPU reset. 31149ab747fSPaolo Bonzini */ 31249ab747fSPaolo Bonzini if((val & KBD_CCMD_PULSE_BITS_3_0) == KBD_CCMD_PULSE_BITS_3_0) { 31349ab747fSPaolo Bonzini if(!(val & 1)) 31449ab747fSPaolo Bonzini val = KBD_CCMD_RESET; 31549ab747fSPaolo Bonzini else 31649ab747fSPaolo Bonzini val = KBD_CCMD_NO_OP; 31749ab747fSPaolo Bonzini } 31849ab747fSPaolo Bonzini 31949ab747fSPaolo Bonzini switch(val) { 32049ab747fSPaolo Bonzini case KBD_CCMD_READ_MODE: 32149ab747fSPaolo Bonzini kbd_queue(s, s->mode, 0); 32249ab747fSPaolo Bonzini break; 32349ab747fSPaolo Bonzini case KBD_CCMD_WRITE_MODE: 32449ab747fSPaolo Bonzini case KBD_CCMD_WRITE_OBUF: 32549ab747fSPaolo Bonzini case KBD_CCMD_WRITE_AUX_OBUF: 32649ab747fSPaolo Bonzini case KBD_CCMD_WRITE_MOUSE: 32749ab747fSPaolo Bonzini case KBD_CCMD_WRITE_OUTPORT: 32849ab747fSPaolo Bonzini s->write_cmd = val; 32949ab747fSPaolo Bonzini break; 33049ab747fSPaolo Bonzini case KBD_CCMD_MOUSE_DISABLE: 33149ab747fSPaolo Bonzini s->mode |= KBD_MODE_DISABLE_MOUSE; 33249ab747fSPaolo Bonzini break; 33349ab747fSPaolo Bonzini case KBD_CCMD_MOUSE_ENABLE: 33449ab747fSPaolo Bonzini s->mode &= ~KBD_MODE_DISABLE_MOUSE; 335f6f57a82SVolker Rümelin kbd_safe_update_irq(s); 33649ab747fSPaolo Bonzini break; 33749ab747fSPaolo Bonzini case KBD_CCMD_TEST_MOUSE: 33849ab747fSPaolo Bonzini kbd_queue(s, 0x00, 0); 33949ab747fSPaolo Bonzini break; 34049ab747fSPaolo Bonzini case KBD_CCMD_SELF_TEST: 34149ab747fSPaolo Bonzini s->status |= KBD_STAT_SELFTEST; 34249ab747fSPaolo Bonzini kbd_queue(s, 0x55, 0); 34349ab747fSPaolo Bonzini break; 34449ab747fSPaolo Bonzini case KBD_CCMD_KBD_TEST: 34549ab747fSPaolo Bonzini kbd_queue(s, 0x00, 0); 34649ab747fSPaolo Bonzini break; 34749ab747fSPaolo Bonzini case KBD_CCMD_KBD_DISABLE: 34849ab747fSPaolo Bonzini s->mode |= KBD_MODE_DISABLE_KBD; 34949ab747fSPaolo Bonzini break; 35049ab747fSPaolo Bonzini case KBD_CCMD_KBD_ENABLE: 35149ab747fSPaolo Bonzini s->mode &= ~KBD_MODE_DISABLE_KBD; 352ff6e1624SVolker Rümelin kbd_safe_update_irq(s); 35349ab747fSPaolo Bonzini break; 35449ab747fSPaolo Bonzini case KBD_CCMD_READ_INPORT: 355f1b7e0e4SHervé Poussineau kbd_queue(s, 0x80, 0); 35649ab747fSPaolo Bonzini break; 35749ab747fSPaolo Bonzini case KBD_CCMD_READ_OUTPORT: 35849ab747fSPaolo Bonzini kbd_queue(s, s->outport, 0); 35949ab747fSPaolo Bonzini break; 36049ab747fSPaolo Bonzini case KBD_CCMD_ENABLE_A20: 3613115b9e2SEfimov Vasily qemu_irq_raise(s->a20_out); 36249ab747fSPaolo Bonzini s->outport |= KBD_OUT_A20; 36349ab747fSPaolo Bonzini break; 36449ab747fSPaolo Bonzini case KBD_CCMD_DISABLE_A20: 3653115b9e2SEfimov Vasily qemu_irq_lower(s->a20_out); 36649ab747fSPaolo Bonzini s->outport &= ~KBD_OUT_A20; 36749ab747fSPaolo Bonzini break; 36849ab747fSPaolo Bonzini case KBD_CCMD_RESET: 369cf83f140SEric Blake qemu_system_reset_request(SHUTDOWN_CAUSE_GUEST_RESET); 37049ab747fSPaolo Bonzini break; 37149ab747fSPaolo Bonzini case KBD_CCMD_NO_OP: 37249ab747fSPaolo Bonzini /* ignore that */ 37349ab747fSPaolo Bonzini break; 37449ab747fSPaolo Bonzini default: 375c2e846bbSPhilippe Mathieu-Daudé qemu_log_mask(LOG_GUEST_ERROR, 376c2e846bbSPhilippe Mathieu-Daudé "unsupported keyboard cmd=0x%02" PRIx64 "\n", val); 37749ab747fSPaolo Bonzini break; 37849ab747fSPaolo Bonzini } 37949ab747fSPaolo Bonzini } 38049ab747fSPaolo Bonzini 38149ab747fSPaolo Bonzini static uint64_t kbd_read_data(void *opaque, hwaddr addr, 38249ab747fSPaolo Bonzini unsigned size) 38349ab747fSPaolo Bonzini { 38449ab747fSPaolo Bonzini KBDState *s = opaque; 38549ab747fSPaolo Bonzini 386ac9192bdSVolker Rümelin if (s->status & KBD_STAT_OBF) { 387ff6e1624SVolker Rümelin kbd_deassert_irq(s); 388ac9192bdSVolker Rümelin if (s->obsrc & KBD_OBSRC_KBD) { 389d1e45668SVolker Rümelin if (s->throttle_timer) { 390d1e45668SVolker Rümelin timer_mod(s->throttle_timer, 391d1e45668SVolker Rümelin qemu_clock_get_us(QEMU_CLOCK_VIRTUAL) + 1000); 392d1e45668SVolker Rümelin } 393ff6e1624SVolker Rümelin s->obdata = ps2_read_data(s->kbd); 394ac9192bdSVolker Rümelin } else if (s->obsrc & KBD_OBSRC_MOUSE) { 395ac9192bdSVolker Rümelin s->obdata = ps2_read_data(s->mouse); 396aa67a42fSVolker Rümelin } else if (s->obsrc & KBD_OBSRC_CTRL) { 397aa67a42fSVolker Rümelin s->obdata = kbd_dequeue(s); 398ff6e1624SVolker Rümelin } 399ff6e1624SVolker Rümelin } 40049ab747fSPaolo Bonzini 401ff6e1624SVolker Rümelin trace_pckbd_kbd_read_data(s->obdata); 402ff6e1624SVolker Rümelin return s->obdata; 40349ab747fSPaolo Bonzini } 40449ab747fSPaolo Bonzini 40549ab747fSPaolo Bonzini static void kbd_write_data(void *opaque, hwaddr addr, 40649ab747fSPaolo Bonzini uint64_t val, unsigned size) 40749ab747fSPaolo Bonzini { 40849ab747fSPaolo Bonzini KBDState *s = opaque; 40949ab747fSPaolo Bonzini 41065b182c3SDr. David Alan Gilbert trace_pckbd_kbd_write_data(val); 41149ab747fSPaolo Bonzini 41249ab747fSPaolo Bonzini switch(s->write_cmd) { 41349ab747fSPaolo Bonzini case 0: 41449ab747fSPaolo Bonzini ps2_write_keyboard(s->kbd, val); 415f6f57a82SVolker Rümelin /* sending data to the keyboard reenables PS/2 communication */ 416f6f57a82SVolker Rümelin s->mode &= ~KBD_MODE_DISABLE_KBD; 417f6f57a82SVolker Rümelin kbd_safe_update_irq(s); 41849ab747fSPaolo Bonzini break; 41949ab747fSPaolo Bonzini case KBD_CCMD_WRITE_MODE: 42049ab747fSPaolo Bonzini s->mode = val; 42149ab747fSPaolo Bonzini ps2_keyboard_set_translation(s->kbd, (s->mode & KBD_MODE_KCC) != 0); 422ff6e1624SVolker Rümelin /* 423ff6e1624SVolker Rümelin * a write to the mode byte interrupt enable flags directly updates 424ff6e1624SVolker Rümelin * the irq lines 425ff6e1624SVolker Rümelin */ 426ff6e1624SVolker Rümelin kbd_update_irq_lines(s); 427ff6e1624SVolker Rümelin /* 428ff6e1624SVolker Rümelin * a write to the mode byte disable interface flags may raise 429ff6e1624SVolker Rümelin * an irq if there is pending data in the PS/2 queues. 430ff6e1624SVolker Rümelin */ 431ff6e1624SVolker Rümelin kbd_safe_update_irq(s); 43249ab747fSPaolo Bonzini break; 43349ab747fSPaolo Bonzini case KBD_CCMD_WRITE_OBUF: 43449ab747fSPaolo Bonzini kbd_queue(s, val, 0); 43549ab747fSPaolo Bonzini break; 43649ab747fSPaolo Bonzini case KBD_CCMD_WRITE_AUX_OBUF: 43749ab747fSPaolo Bonzini kbd_queue(s, val, 1); 43849ab747fSPaolo Bonzini break; 43949ab747fSPaolo Bonzini case KBD_CCMD_WRITE_OUTPORT: 44049ab747fSPaolo Bonzini outport_write(s, val); 44149ab747fSPaolo Bonzini break; 44249ab747fSPaolo Bonzini case KBD_CCMD_WRITE_MOUSE: 44349ab747fSPaolo Bonzini ps2_write_mouse(s->mouse, val); 444f6f57a82SVolker Rümelin /* sending data to the mouse reenables PS/2 communication */ 445f6f57a82SVolker Rümelin s->mode &= ~KBD_MODE_DISABLE_MOUSE; 446f6f57a82SVolker Rümelin kbd_safe_update_irq(s); 44749ab747fSPaolo Bonzini break; 44849ab747fSPaolo Bonzini default: 44949ab747fSPaolo Bonzini break; 45049ab747fSPaolo Bonzini } 45149ab747fSPaolo Bonzini s->write_cmd = 0; 45249ab747fSPaolo Bonzini } 45349ab747fSPaolo Bonzini 45449ab747fSPaolo Bonzini static void kbd_reset(void *opaque) 45549ab747fSPaolo Bonzini { 45649ab747fSPaolo Bonzini KBDState *s = opaque; 45749ab747fSPaolo Bonzini 45849ab747fSPaolo Bonzini s->mode = KBD_MODE_KBD_INT | KBD_MODE_MOUSE_INT; 45949ab747fSPaolo Bonzini s->status = KBD_STAT_CMD | KBD_STAT_UNLOCKED; 460d13c0404SPaolo Bonzini s->outport = KBD_OUT_RESET | KBD_OUT_A20 | KBD_OUT_ONES; 461ff6e1624SVolker Rümelin s->pending = 0; 462ff6e1624SVolker Rümelin kbd_deassert_irq(s); 463d1e45668SVolker Rümelin if (s->throttle_timer) { 464d1e45668SVolker Rümelin timer_del(s->throttle_timer); 465d1e45668SVolker Rümelin } 466a28fe7e3SPavel Dovgalyuk } 467a28fe7e3SPavel Dovgalyuk 468a28fe7e3SPavel Dovgalyuk static uint8_t kbd_outport_default(KBDState *s) 469a28fe7e3SPavel Dovgalyuk { 470d13c0404SPaolo Bonzini return KBD_OUT_RESET | KBD_OUT_A20 | KBD_OUT_ONES 471a28fe7e3SPavel Dovgalyuk | (s->status & KBD_STAT_OBF ? KBD_OUT_OBF : 0) 472a28fe7e3SPavel Dovgalyuk | (s->status & KBD_STAT_MOUSE_OBF ? KBD_OUT_MOUSE_OBF : 0); 473a28fe7e3SPavel Dovgalyuk } 474a28fe7e3SPavel Dovgalyuk 475a28fe7e3SPavel Dovgalyuk static int kbd_outport_post_load(void *opaque, int version_id) 476a28fe7e3SPavel Dovgalyuk { 477a28fe7e3SPavel Dovgalyuk KBDState *s = opaque; 478a28fe7e3SPavel Dovgalyuk s->outport_present = true; 479a28fe7e3SPavel Dovgalyuk return 0; 480a28fe7e3SPavel Dovgalyuk } 481a28fe7e3SPavel Dovgalyuk 482a28fe7e3SPavel Dovgalyuk static bool kbd_outport_needed(void *opaque) 483a28fe7e3SPavel Dovgalyuk { 484a28fe7e3SPavel Dovgalyuk KBDState *s = opaque; 485a28fe7e3SPavel Dovgalyuk return s->outport != kbd_outport_default(s); 486a28fe7e3SPavel Dovgalyuk } 487a28fe7e3SPavel Dovgalyuk 4885cd8cadaSJuan Quintela static const VMStateDescription vmstate_kbd_outport = { 4895cd8cadaSJuan Quintela .name = "pckbd_outport", 4905cd8cadaSJuan Quintela .version_id = 1, 4915cd8cadaSJuan Quintela .minimum_version_id = 1, 4925cd8cadaSJuan Quintela .post_load = kbd_outport_post_load, 4935cd8cadaSJuan Quintela .needed = kbd_outport_needed, 4945cd8cadaSJuan Quintela .fields = (VMStateField[]) { 4955cd8cadaSJuan Quintela VMSTATE_UINT8(outport, KBDState), 4965cd8cadaSJuan Quintela VMSTATE_END_OF_LIST() 4975cd8cadaSJuan Quintela } 4985cd8cadaSJuan Quintela }; 4995cd8cadaSJuan Quintela 500d1e45668SVolker Rümelin static int kbd_extended_state_pre_save(void *opaque) 501d1e45668SVolker Rümelin { 502d1e45668SVolker Rümelin KBDState *s = opaque; 503d1e45668SVolker Rümelin 504d1e45668SVolker Rümelin s->migration_flags = 0; 505d1e45668SVolker Rümelin if (s->throttle_timer && timer_pending(s->throttle_timer)) { 506d1e45668SVolker Rümelin s->migration_flags |= KBD_MIGR_TIMER_PENDING; 507d1e45668SVolker Rümelin } 508d1e45668SVolker Rümelin 509d1e45668SVolker Rümelin return 0; 510d1e45668SVolker Rümelin } 511d1e45668SVolker Rümelin 512d1e45668SVolker Rümelin static int kbd_extended_state_post_load(void *opaque, int version_id) 513d1e45668SVolker Rümelin { 514d1e45668SVolker Rümelin KBDState *s = opaque; 515d1e45668SVolker Rümelin 516d1e45668SVolker Rümelin if (s->migration_flags & KBD_MIGR_TIMER_PENDING) { 517d1e45668SVolker Rümelin kbd_throttle_timeout(s); 518d1e45668SVolker Rümelin } 519ac9192bdSVolker Rümelin s->extended_state_loaded = true; 520d1e45668SVolker Rümelin 521d1e45668SVolker Rümelin return 0; 522d1e45668SVolker Rümelin } 523d1e45668SVolker Rümelin 524ff6e1624SVolker Rümelin static bool kbd_extended_state_needed(void *opaque) 525ff6e1624SVolker Rümelin { 526ff6e1624SVolker Rümelin KBDState *s = opaque; 527ff6e1624SVolker Rümelin 528ff6e1624SVolker Rümelin return s->extended_state; 529ff6e1624SVolker Rümelin } 530ff6e1624SVolker Rümelin 531ff6e1624SVolker Rümelin static const VMStateDescription vmstate_kbd_extended_state = { 532ff6e1624SVolker Rümelin .name = "pckbd/extended_state", 533d1e45668SVolker Rümelin .post_load = kbd_extended_state_post_load, 534d1e45668SVolker Rümelin .pre_save = kbd_extended_state_pre_save, 535ff6e1624SVolker Rümelin .needed = kbd_extended_state_needed, 536ff6e1624SVolker Rümelin .fields = (VMStateField[]) { 537d1e45668SVolker Rümelin VMSTATE_UINT32(migration_flags, KBDState), 538ac9192bdSVolker Rümelin VMSTATE_UINT32(obsrc, KBDState), 539ff6e1624SVolker Rümelin VMSTATE_UINT8(obdata, KBDState), 540aa67a42fSVolker Rümelin VMSTATE_UINT8(cbdata, KBDState), 541ff6e1624SVolker Rümelin VMSTATE_END_OF_LIST() 542ff6e1624SVolker Rümelin } 543ff6e1624SVolker Rümelin }; 544ff6e1624SVolker Rümelin 545f6f57a82SVolker Rümelin static int kbd_pre_save(void *opaque) 546f6f57a82SVolker Rümelin { 547f6f57a82SVolker Rümelin KBDState *s = opaque; 548f6f57a82SVolker Rümelin 549f6f57a82SVolker Rümelin if (s->extended_state) { 550f6f57a82SVolker Rümelin s->pending_tmp = s->pending; 551f6f57a82SVolker Rümelin } else { 552f6f57a82SVolker Rümelin s->pending_tmp = 0; 553f6f57a82SVolker Rümelin if (s->pending & KBD_PENDING_KBD) { 554f6f57a82SVolker Rümelin s->pending_tmp |= KBD_PENDING_KBD_COMPAT; 555f6f57a82SVolker Rümelin } 556f6f57a82SVolker Rümelin if (s->pending & KBD_PENDING_AUX) { 557f6f57a82SVolker Rümelin s->pending_tmp |= KBD_PENDING_AUX_COMPAT; 558f6f57a82SVolker Rümelin } 559f6f57a82SVolker Rümelin } 560f6f57a82SVolker Rümelin return 0; 561f6f57a82SVolker Rümelin } 562f6f57a82SVolker Rümelin 563ac9192bdSVolker Rümelin static int kbd_pre_load(void *opaque) 564ac9192bdSVolker Rümelin { 565ac9192bdSVolker Rümelin KBDState *s = opaque; 566ac9192bdSVolker Rümelin 5679d74e6c3SVolker Rümelin s->outport_present = false; 568ac9192bdSVolker Rümelin s->extended_state_loaded = false; 569ac9192bdSVolker Rümelin return 0; 570ac9192bdSVolker Rümelin } 571ac9192bdSVolker Rümelin 572a28fe7e3SPavel Dovgalyuk static int kbd_post_load(void *opaque, int version_id) 573a28fe7e3SPavel Dovgalyuk { 574a28fe7e3SPavel Dovgalyuk KBDState *s = opaque; 575a28fe7e3SPavel Dovgalyuk if (!s->outport_present) { 576a28fe7e3SPavel Dovgalyuk s->outport = kbd_outport_default(s); 577a28fe7e3SPavel Dovgalyuk } 578f6f57a82SVolker Rümelin s->pending = s->pending_tmp; 579ac9192bdSVolker Rümelin if (!s->extended_state_loaded) { 580ac9192bdSVolker Rümelin s->obsrc = s->status & KBD_STAT_OBF ? 581ac9192bdSVolker Rümelin (s->status & KBD_STAT_MOUSE_OBF ? KBD_OBSRC_MOUSE : KBD_OBSRC_KBD) : 582ac9192bdSVolker Rümelin 0; 583f6f57a82SVolker Rümelin if (s->pending & KBD_PENDING_KBD_COMPAT) { 584f6f57a82SVolker Rümelin s->pending |= KBD_PENDING_KBD; 585ac9192bdSVolker Rümelin } 586f6f57a82SVolker Rümelin if (s->pending & KBD_PENDING_AUX_COMPAT) { 587f6f57a82SVolker Rümelin s->pending |= KBD_PENDING_AUX; 588f6f57a82SVolker Rümelin } 589f6f57a82SVolker Rümelin } 590f6f57a82SVolker Rümelin /* clear all unused flags */ 591f6f57a82SVolker Rümelin s->pending &= KBD_PENDING_CTRL_KBD | KBD_PENDING_CTRL_AUX | 592f6f57a82SVolker Rümelin KBD_PENDING_KBD | KBD_PENDING_AUX; 593a28fe7e3SPavel Dovgalyuk return 0; 59449ab747fSPaolo Bonzini } 59549ab747fSPaolo Bonzini 59649ab747fSPaolo Bonzini static const VMStateDescription vmstate_kbd = { 59749ab747fSPaolo Bonzini .name = "pckbd", 59849ab747fSPaolo Bonzini .version_id = 3, 59949ab747fSPaolo Bonzini .minimum_version_id = 3, 600ac9192bdSVolker Rümelin .pre_load = kbd_pre_load, 601a28fe7e3SPavel Dovgalyuk .post_load = kbd_post_load, 602f6f57a82SVolker Rümelin .pre_save = kbd_pre_save, 60349ab747fSPaolo Bonzini .fields = (VMStateField[]) { 60449ab747fSPaolo Bonzini VMSTATE_UINT8(write_cmd, KBDState), 60549ab747fSPaolo Bonzini VMSTATE_UINT8(status, KBDState), 60649ab747fSPaolo Bonzini VMSTATE_UINT8(mode, KBDState), 607f6f57a82SVolker Rümelin VMSTATE_UINT8(pending_tmp, KBDState), 60849ab747fSPaolo Bonzini VMSTATE_END_OF_LIST() 609a28fe7e3SPavel Dovgalyuk }, 6105cd8cadaSJuan Quintela .subsections = (const VMStateDescription*[]) { 6115cd8cadaSJuan Quintela &vmstate_kbd_outport, 612ff6e1624SVolker Rümelin &vmstate_kbd_extended_state, 6135cd8cadaSJuan Quintela NULL 61449ab747fSPaolo Bonzini } 61549ab747fSPaolo Bonzini }; 61649ab747fSPaolo Bonzini 61749ab747fSPaolo Bonzini /* Memory mapped interface */ 6185876503cSPeter Maydell static uint64_t kbd_mm_readfn(void *opaque, hwaddr addr, unsigned size) 61949ab747fSPaolo Bonzini { 62049ab747fSPaolo Bonzini KBDState *s = opaque; 62149ab747fSPaolo Bonzini 62249ab747fSPaolo Bonzini if (addr & s->mask) 62349ab747fSPaolo Bonzini return kbd_read_status(s, 0, 1) & 0xff; 62449ab747fSPaolo Bonzini else 62549ab747fSPaolo Bonzini return kbd_read_data(s, 0, 1) & 0xff; 62649ab747fSPaolo Bonzini } 62749ab747fSPaolo Bonzini 6285876503cSPeter Maydell static void kbd_mm_writefn(void *opaque, hwaddr addr, 6295876503cSPeter Maydell uint64_t value, unsigned size) 63049ab747fSPaolo Bonzini { 63149ab747fSPaolo Bonzini KBDState *s = opaque; 63249ab747fSPaolo Bonzini 63349ab747fSPaolo Bonzini if (addr & s->mask) 63449ab747fSPaolo Bonzini kbd_write_command(s, 0, value & 0xff, 1); 63549ab747fSPaolo Bonzini else 63649ab747fSPaolo Bonzini kbd_write_data(s, 0, value & 0xff, 1); 63749ab747fSPaolo Bonzini } 63849ab747fSPaolo Bonzini 6395876503cSPeter Maydell 64049ab747fSPaolo Bonzini static const MemoryRegionOps i8042_mmio_ops = { 6415876503cSPeter Maydell .read = kbd_mm_readfn, 6425876503cSPeter Maydell .write = kbd_mm_writefn, 6435876503cSPeter Maydell .valid.min_access_size = 1, 6445876503cSPeter Maydell .valid.max_access_size = 4, 64549ab747fSPaolo Bonzini .endianness = DEVICE_NATIVE_ENDIAN, 64649ab747fSPaolo Bonzini }; 64749ab747fSPaolo Bonzini 64849ab747fSPaolo Bonzini void i8042_mm_init(qemu_irq kbd_irq, qemu_irq mouse_irq, 64949ab747fSPaolo Bonzini MemoryRegion *region, ram_addr_t size, 65049ab747fSPaolo Bonzini hwaddr mask) 65149ab747fSPaolo Bonzini { 65249ab747fSPaolo Bonzini KBDState *s = g_malloc0(sizeof(KBDState)); 65349ab747fSPaolo Bonzini 65449ab747fSPaolo Bonzini s->irq_kbd = kbd_irq; 65549ab747fSPaolo Bonzini s->irq_mouse = mouse_irq; 65649ab747fSPaolo Bonzini s->mask = mask; 65749ab747fSPaolo Bonzini 658ff6e1624SVolker Rümelin s->extended_state = true; 659ff6e1624SVolker Rümelin 66049ab747fSPaolo Bonzini vmstate_register(NULL, 0, &vmstate_kbd, s); 66149ab747fSPaolo Bonzini 6622c9b15caSPaolo Bonzini memory_region_init_io(region, NULL, &i8042_mmio_ops, s, "i8042", size); 66349ab747fSPaolo Bonzini 66449ab747fSPaolo Bonzini s->kbd = ps2_kbd_init(kbd_update_kbd_irq, s); 66549ab747fSPaolo Bonzini s->mouse = ps2_mouse_init(kbd_update_aux_irq, s); 66649ab747fSPaolo Bonzini qemu_register_reset(kbd_reset, s); 66749ab747fSPaolo Bonzini } 66849ab747fSPaolo Bonzini 6690fe4bb32SMarc-André Lureau struct ISAKBDState { 670a2e0b863SAndreas Färber ISADevice parent_obj; 671a2e0b863SAndreas Färber 67249ab747fSPaolo Bonzini KBDState kbd; 673d1e45668SVolker Rümelin bool kbd_throttle; 67449ab747fSPaolo Bonzini MemoryRegion io[2]; 675*b86ce7a6SBernhard Beschow uint8_t kbd_irq; 676*b86ce7a6SBernhard Beschow uint8_t mouse_irq; 6770fe4bb32SMarc-André Lureau }; 67849ab747fSPaolo Bonzini 6790fe4bb32SMarc-André Lureau void i8042_isa_mouse_fake_event(ISAKBDState *isa) 68049ab747fSPaolo Bonzini { 681a2e0b863SAndreas Färber KBDState *s = &isa->kbd; 68249ab747fSPaolo Bonzini 68349ab747fSPaolo Bonzini ps2_mouse_fake_event(s->mouse); 68449ab747fSPaolo Bonzini } 68549ab747fSPaolo Bonzini 686d80fe99dSMarc-André Lureau void i8042_setup_a20_line(ISADevice *dev, qemu_irq a20_out) 68749ab747fSPaolo Bonzini { 688d80fe99dSMarc-André Lureau qdev_connect_gpio_out_named(DEVICE(dev), I8042_A20_LINE, 0, a20_out); 68949ab747fSPaolo Bonzini } 69049ab747fSPaolo Bonzini 69149ab747fSPaolo Bonzini static const VMStateDescription vmstate_kbd_isa = { 69249ab747fSPaolo Bonzini .name = "pckbd", 69349ab747fSPaolo Bonzini .version_id = 3, 69449ab747fSPaolo Bonzini .minimum_version_id = 3, 69549ab747fSPaolo Bonzini .fields = (VMStateField[]) { 69649ab747fSPaolo Bonzini VMSTATE_STRUCT(kbd, ISAKBDState, 0, vmstate_kbd, KBDState), 69749ab747fSPaolo Bonzini VMSTATE_END_OF_LIST() 69849ab747fSPaolo Bonzini } 69949ab747fSPaolo Bonzini }; 70049ab747fSPaolo Bonzini 70149ab747fSPaolo Bonzini static const MemoryRegionOps i8042_data_ops = { 70249ab747fSPaolo Bonzini .read = kbd_read_data, 70349ab747fSPaolo Bonzini .write = kbd_write_data, 70449ab747fSPaolo Bonzini .impl = { 70549ab747fSPaolo Bonzini .min_access_size = 1, 70649ab747fSPaolo Bonzini .max_access_size = 1, 70749ab747fSPaolo Bonzini }, 70849ab747fSPaolo Bonzini .endianness = DEVICE_LITTLE_ENDIAN, 70949ab747fSPaolo Bonzini }; 71049ab747fSPaolo Bonzini 71149ab747fSPaolo Bonzini static const MemoryRegionOps i8042_cmd_ops = { 71249ab747fSPaolo Bonzini .read = kbd_read_status, 71349ab747fSPaolo Bonzini .write = kbd_write_command, 71449ab747fSPaolo Bonzini .impl = { 71549ab747fSPaolo Bonzini .min_access_size = 1, 71649ab747fSPaolo Bonzini .max_access_size = 1, 71749ab747fSPaolo Bonzini }, 71849ab747fSPaolo Bonzini .endianness = DEVICE_LITTLE_ENDIAN, 71949ab747fSPaolo Bonzini }; 72049ab747fSPaolo Bonzini 721db895a1eSAndreas Färber static void i8042_initfn(Object *obj) 72249ab747fSPaolo Bonzini { 723db895a1eSAndreas Färber ISAKBDState *isa_s = I8042(obj); 724db895a1eSAndreas Färber KBDState *s = &isa_s->kbd; 725db895a1eSAndreas Färber 7261437c94bSPaolo Bonzini memory_region_init_io(isa_s->io + 0, obj, &i8042_data_ops, s, 7271437c94bSPaolo Bonzini "i8042-data", 1); 7281437c94bSPaolo Bonzini memory_region_init_io(isa_s->io + 1, obj, &i8042_cmd_ops, s, 7291437c94bSPaolo Bonzini "i8042-cmd", 1); 7303115b9e2SEfimov Vasily 7313115b9e2SEfimov Vasily qdev_init_gpio_out_named(DEVICE(obj), &s->a20_out, I8042_A20_LINE, 1); 732db895a1eSAndreas Färber } 733db895a1eSAndreas Färber 734db895a1eSAndreas Färber static void i8042_realizefn(DeviceState *dev, Error **errp) 735db895a1eSAndreas Färber { 736db895a1eSAndreas Färber ISADevice *isadev = ISA_DEVICE(dev); 737a2e0b863SAndreas Färber ISAKBDState *isa_s = I8042(dev); 73849ab747fSPaolo Bonzini KBDState *s = &isa_s->kbd; 73949ab747fSPaolo Bonzini 740*b86ce7a6SBernhard Beschow if (isa_s->kbd_irq >= ISA_NUM_IRQS) { 741*b86ce7a6SBernhard Beschow error_setg(errp, "Maximum value for \"kbd-irq\" is: %u", 742*b86ce7a6SBernhard Beschow ISA_NUM_IRQS - 1); 743*b86ce7a6SBernhard Beschow return; 744*b86ce7a6SBernhard Beschow } 745*b86ce7a6SBernhard Beschow 746*b86ce7a6SBernhard Beschow if (isa_s->mouse_irq >= ISA_NUM_IRQS) { 747*b86ce7a6SBernhard Beschow error_setg(errp, "Maximum value for \"mouse-irq\" is: %u", 748*b86ce7a6SBernhard Beschow ISA_NUM_IRQS - 1); 749*b86ce7a6SBernhard Beschow return; 750*b86ce7a6SBernhard Beschow } 751*b86ce7a6SBernhard Beschow 752*b86ce7a6SBernhard Beschow isa_init_irq(isadev, &s->irq_kbd, isa_s->kbd_irq); 753*b86ce7a6SBernhard Beschow isa_init_irq(isadev, &s->irq_mouse, isa_s->mouse_irq); 75449ab747fSPaolo Bonzini 755db895a1eSAndreas Färber isa_register_ioport(isadev, isa_s->io + 0, 0x60); 756db895a1eSAndreas Färber isa_register_ioport(isadev, isa_s->io + 1, 0x64); 75749ab747fSPaolo Bonzini 75849ab747fSPaolo Bonzini s->kbd = ps2_kbd_init(kbd_update_kbd_irq, s); 75949ab747fSPaolo Bonzini s->mouse = ps2_mouse_init(kbd_update_aux_irq, s); 760d1e45668SVolker Rümelin if (isa_s->kbd_throttle && !isa_s->kbd.extended_state) { 761d1e45668SVolker Rümelin warn_report(TYPE_I8042 ": can't enable kbd-throttle without" 762d1e45668SVolker Rümelin " extended-state, disabling kbd-throttle"); 763d1e45668SVolker Rümelin } else if (isa_s->kbd_throttle) { 764d1e45668SVolker Rümelin s->throttle_timer = timer_new_us(QEMU_CLOCK_VIRTUAL, 765d1e45668SVolker Rümelin kbd_throttle_timeout, s); 766d1e45668SVolker Rümelin } 76749ab747fSPaolo Bonzini qemu_register_reset(kbd_reset, s); 76849ab747fSPaolo Bonzini } 76949ab747fSPaolo Bonzini 770df0f3d13SGerd Hoffmann static void i8042_build_aml(ISADevice *isadev, Aml *scope) 771df0f3d13SGerd Hoffmann { 772*b86ce7a6SBernhard Beschow ISAKBDState *isa_s = I8042(isadev); 773df0f3d13SGerd Hoffmann Aml *kbd; 774df0f3d13SGerd Hoffmann Aml *mou; 775df0f3d13SGerd Hoffmann Aml *crs; 776df0f3d13SGerd Hoffmann 777df0f3d13SGerd Hoffmann crs = aml_resource_template(); 778df0f3d13SGerd Hoffmann aml_append(crs, aml_io(AML_DECODE16, 0x0060, 0x0060, 0x01, 0x01)); 779df0f3d13SGerd Hoffmann aml_append(crs, aml_io(AML_DECODE16, 0x0064, 0x0064, 0x01, 0x01)); 780*b86ce7a6SBernhard Beschow aml_append(crs, aml_irq_no_flags(isa_s->kbd_irq)); 781df0f3d13SGerd Hoffmann 782df0f3d13SGerd Hoffmann kbd = aml_device("KBD"); 783df0f3d13SGerd Hoffmann aml_append(kbd, aml_name_decl("_HID", aml_eisaid("PNP0303"))); 784df0f3d13SGerd Hoffmann aml_append(kbd, aml_name_decl("_STA", aml_int(0xf))); 785df0f3d13SGerd Hoffmann aml_append(kbd, aml_name_decl("_CRS", crs)); 786df0f3d13SGerd Hoffmann 787df0f3d13SGerd Hoffmann crs = aml_resource_template(); 788*b86ce7a6SBernhard Beschow aml_append(crs, aml_irq_no_flags(isa_s->mouse_irq)); 789df0f3d13SGerd Hoffmann 790df0f3d13SGerd Hoffmann mou = aml_device("MOU"); 791df0f3d13SGerd Hoffmann aml_append(mou, aml_name_decl("_HID", aml_eisaid("PNP0F13"))); 792df0f3d13SGerd Hoffmann aml_append(mou, aml_name_decl("_STA", aml_int(0xf))); 793df0f3d13SGerd Hoffmann aml_append(mou, aml_name_decl("_CRS", crs)); 794df0f3d13SGerd Hoffmann 795df0f3d13SGerd Hoffmann aml_append(scope, kbd); 796df0f3d13SGerd Hoffmann aml_append(scope, mou); 797df0f3d13SGerd Hoffmann } 798df0f3d13SGerd Hoffmann 799ff6e1624SVolker Rümelin static Property i8042_properties[] = { 800ff6e1624SVolker Rümelin DEFINE_PROP_BOOL("extended-state", ISAKBDState, kbd.extended_state, true), 801d1e45668SVolker Rümelin DEFINE_PROP_BOOL("kbd-throttle", ISAKBDState, kbd_throttle, false), 802*b86ce7a6SBernhard Beschow DEFINE_PROP_UINT8("kbd-irq", ISAKBDState, kbd_irq, 1), 803*b86ce7a6SBernhard Beschow DEFINE_PROP_UINT8("mouse-irq", ISAKBDState, mouse_irq, 12), 804ff6e1624SVolker Rümelin DEFINE_PROP_END_OF_LIST(), 805ff6e1624SVolker Rümelin }; 806ff6e1624SVolker Rümelin 80749ab747fSPaolo Bonzini static void i8042_class_initfn(ObjectClass *klass, void *data) 80849ab747fSPaolo Bonzini { 80949ab747fSPaolo Bonzini DeviceClass *dc = DEVICE_CLASS(klass); 810df0f3d13SGerd Hoffmann ISADeviceClass *isa = ISA_DEVICE_CLASS(klass); 811db895a1eSAndreas Färber 812ff6e1624SVolker Rümelin device_class_set_props(dc, i8042_properties); 813db895a1eSAndreas Färber dc->realize = i8042_realizefn; 81449ab747fSPaolo Bonzini dc->vmsd = &vmstate_kbd_isa; 815df0f3d13SGerd Hoffmann isa->build_aml = i8042_build_aml; 816cbe9ed73Skumar sourav set_bit(DEVICE_CATEGORY_INPUT, dc->categories); 81749ab747fSPaolo Bonzini } 81849ab747fSPaolo Bonzini 81949ab747fSPaolo Bonzini static const TypeInfo i8042_info = { 820a2e0b863SAndreas Färber .name = TYPE_I8042, 82149ab747fSPaolo Bonzini .parent = TYPE_ISA_DEVICE, 82249ab747fSPaolo Bonzini .instance_size = sizeof(ISAKBDState), 823db895a1eSAndreas Färber .instance_init = i8042_initfn, 82449ab747fSPaolo Bonzini .class_init = i8042_class_initfn, 82549ab747fSPaolo Bonzini }; 82649ab747fSPaolo Bonzini 82749ab747fSPaolo Bonzini static void i8042_register_types(void) 82849ab747fSPaolo Bonzini { 82949ab747fSPaolo Bonzini type_register_static(&i8042_info); 83049ab747fSPaolo Bonzini } 83149ab747fSPaolo Bonzini 83249ab747fSPaolo Bonzini type_init(i8042_register_types) 833