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 13649ab747fSPaolo Bonzini 137d1e45668SVolker Rümelin #define KBD_MIGR_TIMER_PENDING 0x1 138d1e45668SVolker Rümelin 139*ac9192bdSVolker Rümelin #define KBD_OBSRC_KBD 0x01 140*ac9192bdSVolker Rümelin #define KBD_OBSRC_MOUSE 0x02 141*ac9192bdSVolker Rümelin 14249ab747fSPaolo Bonzini typedef struct KBDState { 14349ab747fSPaolo Bonzini uint8_t write_cmd; /* if non zero, write data to port 60 is expected */ 14449ab747fSPaolo Bonzini uint8_t status; 14549ab747fSPaolo Bonzini uint8_t mode; 14649ab747fSPaolo Bonzini uint8_t outport; 147d1e45668SVolker Rümelin uint32_t migration_flags; 148*ac9192bdSVolker Rümelin uint32_t obsrc; 149a28fe7e3SPavel Dovgalyuk bool outport_present; 150ff6e1624SVolker Rümelin bool extended_state; 151*ac9192bdSVolker Rümelin bool extended_state_loaded; 15249ab747fSPaolo Bonzini /* Bitmask of devices with data available. */ 15349ab747fSPaolo Bonzini uint8_t pending; 154ff6e1624SVolker Rümelin uint8_t obdata; 15549ab747fSPaolo Bonzini void *kbd; 15649ab747fSPaolo Bonzini void *mouse; 157d1e45668SVolker Rümelin QEMUTimer *throttle_timer; 15849ab747fSPaolo Bonzini 15949ab747fSPaolo Bonzini qemu_irq irq_kbd; 16049ab747fSPaolo Bonzini qemu_irq irq_mouse; 1613115b9e2SEfimov Vasily qemu_irq a20_out; 16249ab747fSPaolo Bonzini hwaddr mask; 16349ab747fSPaolo Bonzini } KBDState; 16449ab747fSPaolo Bonzini 16549ab747fSPaolo Bonzini /* XXX: not generating the irqs if KBD_MODE_DISABLE_KBD is set may be 16649ab747fSPaolo Bonzini incorrect, but it avoids having to simulate exact delays */ 167c3c4a961SVolker Rümelin static void kbd_update_irq_lines(KBDState *s) 16849ab747fSPaolo Bonzini { 16949ab747fSPaolo Bonzini int irq_kbd_level, irq_mouse_level; 17049ab747fSPaolo Bonzini 17149ab747fSPaolo Bonzini irq_kbd_level = 0; 17249ab747fSPaolo Bonzini irq_mouse_level = 0; 173c3c4a961SVolker Rümelin 174c3c4a961SVolker Rümelin if (s->status & KBD_STAT_OBF) { 175c3c4a961SVolker Rümelin if (s->status & KBD_STAT_MOUSE_OBF) { 176c3c4a961SVolker Rümelin if (s->mode & KBD_MODE_MOUSE_INT) { 177c3c4a961SVolker Rümelin irq_mouse_level = 1; 178c3c4a961SVolker Rümelin } 179c3c4a961SVolker Rümelin } else { 180c3c4a961SVolker Rümelin if ((s->mode & KBD_MODE_KBD_INT) && 181c3c4a961SVolker Rümelin !(s->mode & KBD_MODE_DISABLE_KBD)) { 182c3c4a961SVolker Rümelin irq_kbd_level = 1; 183c3c4a961SVolker Rümelin } 184c3c4a961SVolker Rümelin } 185c3c4a961SVolker Rümelin } 186c3c4a961SVolker Rümelin qemu_set_irq(s->irq_kbd, irq_kbd_level); 187c3c4a961SVolker Rümelin qemu_set_irq(s->irq_mouse, irq_mouse_level); 188c3c4a961SVolker Rümelin } 189c3c4a961SVolker Rümelin 190ff6e1624SVolker Rümelin static void kbd_deassert_irq(KBDState *s) 191ff6e1624SVolker Rümelin { 192ff6e1624SVolker Rümelin s->status &= ~(KBD_STAT_OBF | KBD_STAT_MOUSE_OBF); 193ff6e1624SVolker Rümelin s->outport &= ~(KBD_OUT_OBF | KBD_OUT_MOUSE_OBF); 194ff6e1624SVolker Rümelin kbd_update_irq_lines(s); 195ff6e1624SVolker Rümelin } 196ff6e1624SVolker Rümelin 197c3c4a961SVolker Rümelin /* update irq and KBD_STAT_[MOUSE_]OBF */ 198c3c4a961SVolker Rümelin static void kbd_update_irq(KBDState *s) 199c3c4a961SVolker Rümelin { 20049ab747fSPaolo Bonzini s->status &= ~(KBD_STAT_OBF | KBD_STAT_MOUSE_OBF); 20149ab747fSPaolo Bonzini s->outport &= ~(KBD_OUT_OBF | KBD_OUT_MOUSE_OBF); 20249ab747fSPaolo Bonzini if (s->pending) { 20349ab747fSPaolo Bonzini s->status |= KBD_STAT_OBF; 20449ab747fSPaolo Bonzini s->outport |= KBD_OUT_OBF; 20549ab747fSPaolo Bonzini if (s->pending == KBD_PENDING_AUX) { 20649ab747fSPaolo Bonzini s->status |= KBD_STAT_MOUSE_OBF; 20749ab747fSPaolo Bonzini s->outport |= KBD_OUT_MOUSE_OBF; 208*ac9192bdSVolker Rümelin s->obsrc = KBD_OBSRC_MOUSE; 209*ac9192bdSVolker Rümelin } else { 210*ac9192bdSVolker Rümelin s->obsrc = KBD_OBSRC_KBD; 21149ab747fSPaolo Bonzini } 21249ab747fSPaolo Bonzini } 213c3c4a961SVolker Rümelin kbd_update_irq_lines(s); 21449ab747fSPaolo Bonzini } 21549ab747fSPaolo Bonzini 216ff6e1624SVolker Rümelin static void kbd_safe_update_irq(KBDState *s) 217ff6e1624SVolker Rümelin { 218ff6e1624SVolker Rümelin /* 219ff6e1624SVolker Rümelin * with KBD_STAT_OBF set, a call to kbd_read_data() will eventually call 220ff6e1624SVolker Rümelin * kbd_update_irq() 221ff6e1624SVolker Rümelin */ 222ff6e1624SVolker Rümelin if (s->status & KBD_STAT_OBF) { 223ff6e1624SVolker Rümelin return; 224ff6e1624SVolker Rümelin } 225d1e45668SVolker Rümelin /* the throttle timer is pending and will call kbd_update_irq() */ 226d1e45668SVolker Rümelin if (s->throttle_timer && timer_pending(s->throttle_timer)) { 227d1e45668SVolker Rümelin return; 228d1e45668SVolker Rümelin } 229ff6e1624SVolker Rümelin if (s->pending) { 230ff6e1624SVolker Rümelin kbd_update_irq(s); 231ff6e1624SVolker Rümelin } 232ff6e1624SVolker Rümelin } 233ff6e1624SVolker Rümelin 23449ab747fSPaolo Bonzini static void kbd_update_kbd_irq(void *opaque, int level) 23549ab747fSPaolo Bonzini { 236ff6e1624SVolker Rümelin KBDState *s = opaque; 23749ab747fSPaolo Bonzini 238ff6e1624SVolker Rümelin if (level) { 23949ab747fSPaolo Bonzini s->pending |= KBD_PENDING_KBD; 240ff6e1624SVolker Rümelin } else { 24149ab747fSPaolo Bonzini s->pending &= ~KBD_PENDING_KBD; 242ff6e1624SVolker Rümelin } 243ff6e1624SVolker Rümelin kbd_safe_update_irq(s); 24449ab747fSPaolo Bonzini } 24549ab747fSPaolo Bonzini 24649ab747fSPaolo Bonzini static void kbd_update_aux_irq(void *opaque, int level) 24749ab747fSPaolo Bonzini { 248ff6e1624SVolker Rümelin KBDState *s = opaque; 24949ab747fSPaolo Bonzini 250ff6e1624SVolker Rümelin if (level) { 25149ab747fSPaolo Bonzini s->pending |= KBD_PENDING_AUX; 252ff6e1624SVolker Rümelin } else { 25349ab747fSPaolo Bonzini s->pending &= ~KBD_PENDING_AUX; 254ff6e1624SVolker Rümelin } 255ff6e1624SVolker Rümelin kbd_safe_update_irq(s); 25649ab747fSPaolo Bonzini } 25749ab747fSPaolo Bonzini 258d1e45668SVolker Rümelin static void kbd_throttle_timeout(void *opaque) 259d1e45668SVolker Rümelin { 260d1e45668SVolker Rümelin KBDState *s = opaque; 261d1e45668SVolker Rümelin 262d1e45668SVolker Rümelin if (s->pending) { 263d1e45668SVolker Rümelin kbd_update_irq(s); 264d1e45668SVolker Rümelin } 265d1e45668SVolker Rümelin } 266d1e45668SVolker Rümelin 26749ab747fSPaolo Bonzini static uint64_t kbd_read_status(void *opaque, hwaddr addr, 26849ab747fSPaolo Bonzini unsigned size) 26949ab747fSPaolo Bonzini { 27049ab747fSPaolo Bonzini KBDState *s = opaque; 27149ab747fSPaolo Bonzini int val; 27249ab747fSPaolo Bonzini val = s->status; 27365b182c3SDr. David Alan Gilbert trace_pckbd_kbd_read_status(val); 27449ab747fSPaolo Bonzini return val; 27549ab747fSPaolo Bonzini } 27649ab747fSPaolo Bonzini 27749ab747fSPaolo Bonzini static void kbd_queue(KBDState *s, int b, int aux) 27849ab747fSPaolo Bonzini { 27949ab747fSPaolo Bonzini if (aux) 28049ab747fSPaolo Bonzini ps2_queue(s->mouse, b); 28149ab747fSPaolo Bonzini else 28249ab747fSPaolo Bonzini ps2_queue(s->kbd, b); 28349ab747fSPaolo Bonzini } 28449ab747fSPaolo Bonzini 28549ab747fSPaolo Bonzini static void outport_write(KBDState *s, uint32_t val) 28649ab747fSPaolo Bonzini { 28765b182c3SDr. David Alan Gilbert trace_pckbd_outport_write(val); 28849ab747fSPaolo Bonzini s->outport = val; 2893115b9e2SEfimov Vasily qemu_set_irq(s->a20_out, (val >> 1) & 1); 29049ab747fSPaolo Bonzini if (!(val & 1)) { 291cf83f140SEric Blake qemu_system_reset_request(SHUTDOWN_CAUSE_GUEST_RESET); 29249ab747fSPaolo Bonzini } 29349ab747fSPaolo Bonzini } 29449ab747fSPaolo Bonzini 29549ab747fSPaolo Bonzini static void kbd_write_command(void *opaque, hwaddr addr, 29649ab747fSPaolo Bonzini uint64_t val, unsigned size) 29749ab747fSPaolo Bonzini { 29849ab747fSPaolo Bonzini KBDState *s = opaque; 29949ab747fSPaolo Bonzini 30065b182c3SDr. David Alan Gilbert trace_pckbd_kbd_write_command(val); 30149ab747fSPaolo Bonzini 30249ab747fSPaolo Bonzini /* Bits 3-0 of the output port P2 of the keyboard controller may be pulsed 30349ab747fSPaolo Bonzini * low for approximately 6 micro seconds. Bits 3-0 of the KBD_CCMD_PULSE 30449ab747fSPaolo Bonzini * command specify the output port bits to be pulsed. 30549ab747fSPaolo Bonzini * 0: Bit should be pulsed. 1: Bit should not be modified. 30649ab747fSPaolo Bonzini * The only useful version of this command is pulsing bit 0, 30749ab747fSPaolo Bonzini * which does a CPU reset. 30849ab747fSPaolo Bonzini */ 30949ab747fSPaolo Bonzini if((val & KBD_CCMD_PULSE_BITS_3_0) == KBD_CCMD_PULSE_BITS_3_0) { 31049ab747fSPaolo Bonzini if(!(val & 1)) 31149ab747fSPaolo Bonzini val = KBD_CCMD_RESET; 31249ab747fSPaolo Bonzini else 31349ab747fSPaolo Bonzini val = KBD_CCMD_NO_OP; 31449ab747fSPaolo Bonzini } 31549ab747fSPaolo Bonzini 31649ab747fSPaolo Bonzini switch(val) { 31749ab747fSPaolo Bonzini case KBD_CCMD_READ_MODE: 31849ab747fSPaolo Bonzini kbd_queue(s, s->mode, 0); 31949ab747fSPaolo Bonzini break; 32049ab747fSPaolo Bonzini case KBD_CCMD_WRITE_MODE: 32149ab747fSPaolo Bonzini case KBD_CCMD_WRITE_OBUF: 32249ab747fSPaolo Bonzini case KBD_CCMD_WRITE_AUX_OBUF: 32349ab747fSPaolo Bonzini case KBD_CCMD_WRITE_MOUSE: 32449ab747fSPaolo Bonzini case KBD_CCMD_WRITE_OUTPORT: 32549ab747fSPaolo Bonzini s->write_cmd = val; 32649ab747fSPaolo Bonzini break; 32749ab747fSPaolo Bonzini case KBD_CCMD_MOUSE_DISABLE: 32849ab747fSPaolo Bonzini s->mode |= KBD_MODE_DISABLE_MOUSE; 32949ab747fSPaolo Bonzini break; 33049ab747fSPaolo Bonzini case KBD_CCMD_MOUSE_ENABLE: 33149ab747fSPaolo Bonzini s->mode &= ~KBD_MODE_DISABLE_MOUSE; 33249ab747fSPaolo Bonzini break; 33349ab747fSPaolo Bonzini case KBD_CCMD_TEST_MOUSE: 33449ab747fSPaolo Bonzini kbd_queue(s, 0x00, 0); 33549ab747fSPaolo Bonzini break; 33649ab747fSPaolo Bonzini case KBD_CCMD_SELF_TEST: 33749ab747fSPaolo Bonzini s->status |= KBD_STAT_SELFTEST; 33849ab747fSPaolo Bonzini kbd_queue(s, 0x55, 0); 33949ab747fSPaolo Bonzini break; 34049ab747fSPaolo Bonzini case KBD_CCMD_KBD_TEST: 34149ab747fSPaolo Bonzini kbd_queue(s, 0x00, 0); 34249ab747fSPaolo Bonzini break; 34349ab747fSPaolo Bonzini case KBD_CCMD_KBD_DISABLE: 34449ab747fSPaolo Bonzini s->mode |= KBD_MODE_DISABLE_KBD; 34549ab747fSPaolo Bonzini break; 34649ab747fSPaolo Bonzini case KBD_CCMD_KBD_ENABLE: 34749ab747fSPaolo Bonzini s->mode &= ~KBD_MODE_DISABLE_KBD; 348ff6e1624SVolker Rümelin kbd_safe_update_irq(s); 34949ab747fSPaolo Bonzini break; 35049ab747fSPaolo Bonzini case KBD_CCMD_READ_INPORT: 351f1b7e0e4SHervé Poussineau kbd_queue(s, 0x80, 0); 35249ab747fSPaolo Bonzini break; 35349ab747fSPaolo Bonzini case KBD_CCMD_READ_OUTPORT: 35449ab747fSPaolo Bonzini kbd_queue(s, s->outport, 0); 35549ab747fSPaolo Bonzini break; 35649ab747fSPaolo Bonzini case KBD_CCMD_ENABLE_A20: 3573115b9e2SEfimov Vasily qemu_irq_raise(s->a20_out); 35849ab747fSPaolo Bonzini s->outport |= KBD_OUT_A20; 35949ab747fSPaolo Bonzini break; 36049ab747fSPaolo Bonzini case KBD_CCMD_DISABLE_A20: 3613115b9e2SEfimov Vasily qemu_irq_lower(s->a20_out); 36249ab747fSPaolo Bonzini s->outport &= ~KBD_OUT_A20; 36349ab747fSPaolo Bonzini break; 36449ab747fSPaolo Bonzini case KBD_CCMD_RESET: 365cf83f140SEric Blake qemu_system_reset_request(SHUTDOWN_CAUSE_GUEST_RESET); 36649ab747fSPaolo Bonzini break; 36749ab747fSPaolo Bonzini case KBD_CCMD_NO_OP: 36849ab747fSPaolo Bonzini /* ignore that */ 36949ab747fSPaolo Bonzini break; 37049ab747fSPaolo Bonzini default: 371c2e846bbSPhilippe Mathieu-Daudé qemu_log_mask(LOG_GUEST_ERROR, 372c2e846bbSPhilippe Mathieu-Daudé "unsupported keyboard cmd=0x%02" PRIx64 "\n", val); 37349ab747fSPaolo Bonzini break; 37449ab747fSPaolo Bonzini } 37549ab747fSPaolo Bonzini } 37649ab747fSPaolo Bonzini 37749ab747fSPaolo Bonzini static uint64_t kbd_read_data(void *opaque, hwaddr addr, 37849ab747fSPaolo Bonzini unsigned size) 37949ab747fSPaolo Bonzini { 38049ab747fSPaolo Bonzini KBDState *s = opaque; 38149ab747fSPaolo Bonzini 382*ac9192bdSVolker Rümelin if (s->status & KBD_STAT_OBF) { 383ff6e1624SVolker Rümelin kbd_deassert_irq(s); 384*ac9192bdSVolker Rümelin if (s->obsrc & KBD_OBSRC_KBD) { 385d1e45668SVolker Rümelin if (s->throttle_timer) { 386d1e45668SVolker Rümelin timer_mod(s->throttle_timer, 387d1e45668SVolker Rümelin qemu_clock_get_us(QEMU_CLOCK_VIRTUAL) + 1000); 388d1e45668SVolker Rümelin } 389ff6e1624SVolker Rümelin s->obdata = ps2_read_data(s->kbd); 390*ac9192bdSVolker Rümelin } else if (s->obsrc & KBD_OBSRC_MOUSE) { 391*ac9192bdSVolker Rümelin s->obdata = ps2_read_data(s->mouse); 392ff6e1624SVolker Rümelin } 393ff6e1624SVolker Rümelin } 39449ab747fSPaolo Bonzini 395ff6e1624SVolker Rümelin trace_pckbd_kbd_read_data(s->obdata); 396ff6e1624SVolker Rümelin return s->obdata; 39749ab747fSPaolo Bonzini } 39849ab747fSPaolo Bonzini 39949ab747fSPaolo Bonzini static void kbd_write_data(void *opaque, hwaddr addr, 40049ab747fSPaolo Bonzini uint64_t val, unsigned size) 40149ab747fSPaolo Bonzini { 40249ab747fSPaolo Bonzini KBDState *s = opaque; 40349ab747fSPaolo Bonzini 40465b182c3SDr. David Alan Gilbert trace_pckbd_kbd_write_data(val); 40549ab747fSPaolo Bonzini 40649ab747fSPaolo Bonzini switch(s->write_cmd) { 40749ab747fSPaolo Bonzini case 0: 40849ab747fSPaolo Bonzini ps2_write_keyboard(s->kbd, val); 40949ab747fSPaolo Bonzini break; 41049ab747fSPaolo Bonzini case KBD_CCMD_WRITE_MODE: 41149ab747fSPaolo Bonzini s->mode = val; 41249ab747fSPaolo Bonzini ps2_keyboard_set_translation(s->kbd, (s->mode & KBD_MODE_KCC) != 0); 413ff6e1624SVolker Rümelin /* 414ff6e1624SVolker Rümelin * a write to the mode byte interrupt enable flags directly updates 415ff6e1624SVolker Rümelin * the irq lines 416ff6e1624SVolker Rümelin */ 417ff6e1624SVolker Rümelin kbd_update_irq_lines(s); 418ff6e1624SVolker Rümelin /* 419ff6e1624SVolker Rümelin * a write to the mode byte disable interface flags may raise 420ff6e1624SVolker Rümelin * an irq if there is pending data in the PS/2 queues. 421ff6e1624SVolker Rümelin */ 422ff6e1624SVolker Rümelin kbd_safe_update_irq(s); 42349ab747fSPaolo Bonzini break; 42449ab747fSPaolo Bonzini case KBD_CCMD_WRITE_OBUF: 42549ab747fSPaolo Bonzini kbd_queue(s, val, 0); 42649ab747fSPaolo Bonzini break; 42749ab747fSPaolo Bonzini case KBD_CCMD_WRITE_AUX_OBUF: 42849ab747fSPaolo Bonzini kbd_queue(s, val, 1); 42949ab747fSPaolo Bonzini break; 43049ab747fSPaolo Bonzini case KBD_CCMD_WRITE_OUTPORT: 43149ab747fSPaolo Bonzini outport_write(s, val); 43249ab747fSPaolo Bonzini break; 43349ab747fSPaolo Bonzini case KBD_CCMD_WRITE_MOUSE: 43449ab747fSPaolo Bonzini ps2_write_mouse(s->mouse, val); 43549ab747fSPaolo Bonzini break; 43649ab747fSPaolo Bonzini default: 43749ab747fSPaolo Bonzini break; 43849ab747fSPaolo Bonzini } 43949ab747fSPaolo Bonzini s->write_cmd = 0; 44049ab747fSPaolo Bonzini } 44149ab747fSPaolo Bonzini 44249ab747fSPaolo Bonzini static void kbd_reset(void *opaque) 44349ab747fSPaolo Bonzini { 44449ab747fSPaolo Bonzini KBDState *s = opaque; 44549ab747fSPaolo Bonzini 44649ab747fSPaolo Bonzini s->mode = KBD_MODE_KBD_INT | KBD_MODE_MOUSE_INT; 44749ab747fSPaolo Bonzini s->status = KBD_STAT_CMD | KBD_STAT_UNLOCKED; 448d13c0404SPaolo Bonzini s->outport = KBD_OUT_RESET | KBD_OUT_A20 | KBD_OUT_ONES; 449a28fe7e3SPavel Dovgalyuk s->outport_present = false; 450ff6e1624SVolker Rümelin s->pending = 0; 451ff6e1624SVolker Rümelin kbd_deassert_irq(s); 452d1e45668SVolker Rümelin if (s->throttle_timer) { 453d1e45668SVolker Rümelin timer_del(s->throttle_timer); 454d1e45668SVolker Rümelin } 455a28fe7e3SPavel Dovgalyuk } 456a28fe7e3SPavel Dovgalyuk 457a28fe7e3SPavel Dovgalyuk static uint8_t kbd_outport_default(KBDState *s) 458a28fe7e3SPavel Dovgalyuk { 459d13c0404SPaolo Bonzini return KBD_OUT_RESET | KBD_OUT_A20 | KBD_OUT_ONES 460a28fe7e3SPavel Dovgalyuk | (s->status & KBD_STAT_OBF ? KBD_OUT_OBF : 0) 461a28fe7e3SPavel Dovgalyuk | (s->status & KBD_STAT_MOUSE_OBF ? KBD_OUT_MOUSE_OBF : 0); 462a28fe7e3SPavel Dovgalyuk } 463a28fe7e3SPavel Dovgalyuk 464a28fe7e3SPavel Dovgalyuk static int kbd_outport_post_load(void *opaque, int version_id) 465a28fe7e3SPavel Dovgalyuk { 466a28fe7e3SPavel Dovgalyuk KBDState *s = opaque; 467a28fe7e3SPavel Dovgalyuk s->outport_present = true; 468a28fe7e3SPavel Dovgalyuk return 0; 469a28fe7e3SPavel Dovgalyuk } 470a28fe7e3SPavel Dovgalyuk 471a28fe7e3SPavel Dovgalyuk static bool kbd_outport_needed(void *opaque) 472a28fe7e3SPavel Dovgalyuk { 473a28fe7e3SPavel Dovgalyuk KBDState *s = opaque; 474a28fe7e3SPavel Dovgalyuk return s->outport != kbd_outport_default(s); 475a28fe7e3SPavel Dovgalyuk } 476a28fe7e3SPavel Dovgalyuk 4775cd8cadaSJuan Quintela static const VMStateDescription vmstate_kbd_outport = { 4785cd8cadaSJuan Quintela .name = "pckbd_outport", 4795cd8cadaSJuan Quintela .version_id = 1, 4805cd8cadaSJuan Quintela .minimum_version_id = 1, 4815cd8cadaSJuan Quintela .post_load = kbd_outport_post_load, 4825cd8cadaSJuan Quintela .needed = kbd_outport_needed, 4835cd8cadaSJuan Quintela .fields = (VMStateField[]) { 4845cd8cadaSJuan Quintela VMSTATE_UINT8(outport, KBDState), 4855cd8cadaSJuan Quintela VMSTATE_END_OF_LIST() 4865cd8cadaSJuan Quintela } 4875cd8cadaSJuan Quintela }; 4885cd8cadaSJuan Quintela 489d1e45668SVolker Rümelin static int kbd_extended_state_pre_save(void *opaque) 490d1e45668SVolker Rümelin { 491d1e45668SVolker Rümelin KBDState *s = opaque; 492d1e45668SVolker Rümelin 493d1e45668SVolker Rümelin s->migration_flags = 0; 494d1e45668SVolker Rümelin if (s->throttle_timer && timer_pending(s->throttle_timer)) { 495d1e45668SVolker Rümelin s->migration_flags |= KBD_MIGR_TIMER_PENDING; 496d1e45668SVolker Rümelin } 497d1e45668SVolker Rümelin 498d1e45668SVolker Rümelin return 0; 499d1e45668SVolker Rümelin } 500d1e45668SVolker Rümelin 501d1e45668SVolker Rümelin static int kbd_extended_state_post_load(void *opaque, int version_id) 502d1e45668SVolker Rümelin { 503d1e45668SVolker Rümelin KBDState *s = opaque; 504d1e45668SVolker Rümelin 505d1e45668SVolker Rümelin if (s->migration_flags & KBD_MIGR_TIMER_PENDING) { 506d1e45668SVolker Rümelin kbd_throttle_timeout(s); 507d1e45668SVolker Rümelin } 508*ac9192bdSVolker Rümelin s->extended_state_loaded = true; 509d1e45668SVolker Rümelin 510d1e45668SVolker Rümelin return 0; 511d1e45668SVolker Rümelin } 512d1e45668SVolker Rümelin 513ff6e1624SVolker Rümelin static bool kbd_extended_state_needed(void *opaque) 514ff6e1624SVolker Rümelin { 515ff6e1624SVolker Rümelin KBDState *s = opaque; 516ff6e1624SVolker Rümelin 517ff6e1624SVolker Rümelin return s->extended_state; 518ff6e1624SVolker Rümelin } 519ff6e1624SVolker Rümelin 520ff6e1624SVolker Rümelin static const VMStateDescription vmstate_kbd_extended_state = { 521ff6e1624SVolker Rümelin .name = "pckbd/extended_state", 522d1e45668SVolker Rümelin .post_load = kbd_extended_state_post_load, 523d1e45668SVolker Rümelin .pre_save = kbd_extended_state_pre_save, 524ff6e1624SVolker Rümelin .needed = kbd_extended_state_needed, 525ff6e1624SVolker Rümelin .fields = (VMStateField[]) { 526d1e45668SVolker Rümelin VMSTATE_UINT32(migration_flags, KBDState), 527*ac9192bdSVolker Rümelin VMSTATE_UINT32(obsrc, KBDState), 528ff6e1624SVolker Rümelin VMSTATE_UINT8(obdata, KBDState), 529ff6e1624SVolker Rümelin VMSTATE_END_OF_LIST() 530ff6e1624SVolker Rümelin } 531ff6e1624SVolker Rümelin }; 532ff6e1624SVolker Rümelin 533*ac9192bdSVolker Rümelin static int kbd_pre_load(void *opaque) 534*ac9192bdSVolker Rümelin { 535*ac9192bdSVolker Rümelin KBDState *s = opaque; 536*ac9192bdSVolker Rümelin 537*ac9192bdSVolker Rümelin s->extended_state_loaded = false; 538*ac9192bdSVolker Rümelin return 0; 539*ac9192bdSVolker Rümelin } 540*ac9192bdSVolker Rümelin 541a28fe7e3SPavel Dovgalyuk static int kbd_post_load(void *opaque, int version_id) 542a28fe7e3SPavel Dovgalyuk { 543a28fe7e3SPavel Dovgalyuk KBDState *s = opaque; 544a28fe7e3SPavel Dovgalyuk if (!s->outport_present) { 545a28fe7e3SPavel Dovgalyuk s->outport = kbd_outport_default(s); 546a28fe7e3SPavel Dovgalyuk } 547a28fe7e3SPavel Dovgalyuk s->outport_present = false; 548*ac9192bdSVolker Rümelin if (!s->extended_state_loaded) { 549*ac9192bdSVolker Rümelin s->obsrc = s->status & KBD_STAT_OBF ? 550*ac9192bdSVolker Rümelin (s->status & KBD_STAT_MOUSE_OBF ? KBD_OBSRC_MOUSE : KBD_OBSRC_KBD) : 551*ac9192bdSVolker Rümelin 0; 552*ac9192bdSVolker Rümelin } 553a28fe7e3SPavel Dovgalyuk return 0; 55449ab747fSPaolo Bonzini } 55549ab747fSPaolo Bonzini 55649ab747fSPaolo Bonzini static const VMStateDescription vmstate_kbd = { 55749ab747fSPaolo Bonzini .name = "pckbd", 55849ab747fSPaolo Bonzini .version_id = 3, 55949ab747fSPaolo Bonzini .minimum_version_id = 3, 560*ac9192bdSVolker Rümelin .pre_load = kbd_pre_load, 561a28fe7e3SPavel Dovgalyuk .post_load = kbd_post_load, 56249ab747fSPaolo Bonzini .fields = (VMStateField[]) { 56349ab747fSPaolo Bonzini VMSTATE_UINT8(write_cmd, KBDState), 56449ab747fSPaolo Bonzini VMSTATE_UINT8(status, KBDState), 56549ab747fSPaolo Bonzini VMSTATE_UINT8(mode, KBDState), 56649ab747fSPaolo Bonzini VMSTATE_UINT8(pending, KBDState), 56749ab747fSPaolo Bonzini VMSTATE_END_OF_LIST() 568a28fe7e3SPavel Dovgalyuk }, 5695cd8cadaSJuan Quintela .subsections = (const VMStateDescription*[]) { 5705cd8cadaSJuan Quintela &vmstate_kbd_outport, 571ff6e1624SVolker Rümelin &vmstate_kbd_extended_state, 5725cd8cadaSJuan Quintela NULL 57349ab747fSPaolo Bonzini } 57449ab747fSPaolo Bonzini }; 57549ab747fSPaolo Bonzini 57649ab747fSPaolo Bonzini /* Memory mapped interface */ 5775876503cSPeter Maydell static uint64_t kbd_mm_readfn(void *opaque, hwaddr addr, unsigned size) 57849ab747fSPaolo Bonzini { 57949ab747fSPaolo Bonzini KBDState *s = opaque; 58049ab747fSPaolo Bonzini 58149ab747fSPaolo Bonzini if (addr & s->mask) 58249ab747fSPaolo Bonzini return kbd_read_status(s, 0, 1) & 0xff; 58349ab747fSPaolo Bonzini else 58449ab747fSPaolo Bonzini return kbd_read_data(s, 0, 1) & 0xff; 58549ab747fSPaolo Bonzini } 58649ab747fSPaolo Bonzini 5875876503cSPeter Maydell static void kbd_mm_writefn(void *opaque, hwaddr addr, 5885876503cSPeter Maydell uint64_t value, unsigned size) 58949ab747fSPaolo Bonzini { 59049ab747fSPaolo Bonzini KBDState *s = opaque; 59149ab747fSPaolo Bonzini 59249ab747fSPaolo Bonzini if (addr & s->mask) 59349ab747fSPaolo Bonzini kbd_write_command(s, 0, value & 0xff, 1); 59449ab747fSPaolo Bonzini else 59549ab747fSPaolo Bonzini kbd_write_data(s, 0, value & 0xff, 1); 59649ab747fSPaolo Bonzini } 59749ab747fSPaolo Bonzini 5985876503cSPeter Maydell 59949ab747fSPaolo Bonzini static const MemoryRegionOps i8042_mmio_ops = { 6005876503cSPeter Maydell .read = kbd_mm_readfn, 6015876503cSPeter Maydell .write = kbd_mm_writefn, 6025876503cSPeter Maydell .valid.min_access_size = 1, 6035876503cSPeter Maydell .valid.max_access_size = 4, 60449ab747fSPaolo Bonzini .endianness = DEVICE_NATIVE_ENDIAN, 60549ab747fSPaolo Bonzini }; 60649ab747fSPaolo Bonzini 60749ab747fSPaolo Bonzini void i8042_mm_init(qemu_irq kbd_irq, qemu_irq mouse_irq, 60849ab747fSPaolo Bonzini MemoryRegion *region, ram_addr_t size, 60949ab747fSPaolo Bonzini hwaddr mask) 61049ab747fSPaolo Bonzini { 61149ab747fSPaolo Bonzini KBDState *s = g_malloc0(sizeof(KBDState)); 61249ab747fSPaolo Bonzini 61349ab747fSPaolo Bonzini s->irq_kbd = kbd_irq; 61449ab747fSPaolo Bonzini s->irq_mouse = mouse_irq; 61549ab747fSPaolo Bonzini s->mask = mask; 61649ab747fSPaolo Bonzini 617ff6e1624SVolker Rümelin s->extended_state = true; 618ff6e1624SVolker Rümelin 61949ab747fSPaolo Bonzini vmstate_register(NULL, 0, &vmstate_kbd, s); 62049ab747fSPaolo Bonzini 6212c9b15caSPaolo Bonzini memory_region_init_io(region, NULL, &i8042_mmio_ops, s, "i8042", size); 62249ab747fSPaolo Bonzini 62349ab747fSPaolo Bonzini s->kbd = ps2_kbd_init(kbd_update_kbd_irq, s); 62449ab747fSPaolo Bonzini s->mouse = ps2_mouse_init(kbd_update_aux_irq, s); 62549ab747fSPaolo Bonzini qemu_register_reset(kbd_reset, s); 62649ab747fSPaolo Bonzini } 62749ab747fSPaolo Bonzini 6280fe4bb32SMarc-André Lureau struct ISAKBDState { 629a2e0b863SAndreas Färber ISADevice parent_obj; 630a2e0b863SAndreas Färber 63149ab747fSPaolo Bonzini KBDState kbd; 632d1e45668SVolker Rümelin bool kbd_throttle; 63349ab747fSPaolo Bonzini MemoryRegion io[2]; 6340fe4bb32SMarc-André Lureau }; 63549ab747fSPaolo Bonzini 6360fe4bb32SMarc-André Lureau void i8042_isa_mouse_fake_event(ISAKBDState *isa) 63749ab747fSPaolo Bonzini { 638a2e0b863SAndreas Färber KBDState *s = &isa->kbd; 63949ab747fSPaolo Bonzini 64049ab747fSPaolo Bonzini ps2_mouse_fake_event(s->mouse); 64149ab747fSPaolo Bonzini } 64249ab747fSPaolo Bonzini 643d80fe99dSMarc-André Lureau void i8042_setup_a20_line(ISADevice *dev, qemu_irq a20_out) 64449ab747fSPaolo Bonzini { 645d80fe99dSMarc-André Lureau qdev_connect_gpio_out_named(DEVICE(dev), I8042_A20_LINE, 0, a20_out); 64649ab747fSPaolo Bonzini } 64749ab747fSPaolo Bonzini 64849ab747fSPaolo Bonzini static const VMStateDescription vmstate_kbd_isa = { 64949ab747fSPaolo Bonzini .name = "pckbd", 65049ab747fSPaolo Bonzini .version_id = 3, 65149ab747fSPaolo Bonzini .minimum_version_id = 3, 65249ab747fSPaolo Bonzini .fields = (VMStateField[]) { 65349ab747fSPaolo Bonzini VMSTATE_STRUCT(kbd, ISAKBDState, 0, vmstate_kbd, KBDState), 65449ab747fSPaolo Bonzini VMSTATE_END_OF_LIST() 65549ab747fSPaolo Bonzini } 65649ab747fSPaolo Bonzini }; 65749ab747fSPaolo Bonzini 65849ab747fSPaolo Bonzini static const MemoryRegionOps i8042_data_ops = { 65949ab747fSPaolo Bonzini .read = kbd_read_data, 66049ab747fSPaolo Bonzini .write = kbd_write_data, 66149ab747fSPaolo Bonzini .impl = { 66249ab747fSPaolo Bonzini .min_access_size = 1, 66349ab747fSPaolo Bonzini .max_access_size = 1, 66449ab747fSPaolo Bonzini }, 66549ab747fSPaolo Bonzini .endianness = DEVICE_LITTLE_ENDIAN, 66649ab747fSPaolo Bonzini }; 66749ab747fSPaolo Bonzini 66849ab747fSPaolo Bonzini static const MemoryRegionOps i8042_cmd_ops = { 66949ab747fSPaolo Bonzini .read = kbd_read_status, 67049ab747fSPaolo Bonzini .write = kbd_write_command, 67149ab747fSPaolo Bonzini .impl = { 67249ab747fSPaolo Bonzini .min_access_size = 1, 67349ab747fSPaolo Bonzini .max_access_size = 1, 67449ab747fSPaolo Bonzini }, 67549ab747fSPaolo Bonzini .endianness = DEVICE_LITTLE_ENDIAN, 67649ab747fSPaolo Bonzini }; 67749ab747fSPaolo Bonzini 678db895a1eSAndreas Färber static void i8042_initfn(Object *obj) 67949ab747fSPaolo Bonzini { 680db895a1eSAndreas Färber ISAKBDState *isa_s = I8042(obj); 681db895a1eSAndreas Färber KBDState *s = &isa_s->kbd; 682db895a1eSAndreas Färber 6831437c94bSPaolo Bonzini memory_region_init_io(isa_s->io + 0, obj, &i8042_data_ops, s, 6841437c94bSPaolo Bonzini "i8042-data", 1); 6851437c94bSPaolo Bonzini memory_region_init_io(isa_s->io + 1, obj, &i8042_cmd_ops, s, 6861437c94bSPaolo Bonzini "i8042-cmd", 1); 6873115b9e2SEfimov Vasily 6883115b9e2SEfimov Vasily qdev_init_gpio_out_named(DEVICE(obj), &s->a20_out, I8042_A20_LINE, 1); 689db895a1eSAndreas Färber } 690db895a1eSAndreas Färber 691db895a1eSAndreas Färber static void i8042_realizefn(DeviceState *dev, Error **errp) 692db895a1eSAndreas Färber { 693db895a1eSAndreas Färber ISADevice *isadev = ISA_DEVICE(dev); 694a2e0b863SAndreas Färber ISAKBDState *isa_s = I8042(dev); 69549ab747fSPaolo Bonzini KBDState *s = &isa_s->kbd; 69649ab747fSPaolo Bonzini 697db895a1eSAndreas Färber isa_init_irq(isadev, &s->irq_kbd, 1); 698db895a1eSAndreas Färber isa_init_irq(isadev, &s->irq_mouse, 12); 69949ab747fSPaolo Bonzini 700db895a1eSAndreas Färber isa_register_ioport(isadev, isa_s->io + 0, 0x60); 701db895a1eSAndreas Färber isa_register_ioport(isadev, isa_s->io + 1, 0x64); 70249ab747fSPaolo Bonzini 70349ab747fSPaolo Bonzini s->kbd = ps2_kbd_init(kbd_update_kbd_irq, s); 70449ab747fSPaolo Bonzini s->mouse = ps2_mouse_init(kbd_update_aux_irq, s); 705d1e45668SVolker Rümelin if (isa_s->kbd_throttle && !isa_s->kbd.extended_state) { 706d1e45668SVolker Rümelin warn_report(TYPE_I8042 ": can't enable kbd-throttle without" 707d1e45668SVolker Rümelin " extended-state, disabling kbd-throttle"); 708d1e45668SVolker Rümelin } else if (isa_s->kbd_throttle) { 709d1e45668SVolker Rümelin s->throttle_timer = timer_new_us(QEMU_CLOCK_VIRTUAL, 710d1e45668SVolker Rümelin kbd_throttle_timeout, s); 711d1e45668SVolker Rümelin } 71249ab747fSPaolo Bonzini qemu_register_reset(kbd_reset, s); 71349ab747fSPaolo Bonzini } 71449ab747fSPaolo Bonzini 715df0f3d13SGerd Hoffmann static void i8042_build_aml(ISADevice *isadev, Aml *scope) 716df0f3d13SGerd Hoffmann { 717df0f3d13SGerd Hoffmann Aml *kbd; 718df0f3d13SGerd Hoffmann Aml *mou; 719df0f3d13SGerd Hoffmann Aml *crs; 720df0f3d13SGerd Hoffmann 721df0f3d13SGerd Hoffmann crs = aml_resource_template(); 722df0f3d13SGerd Hoffmann aml_append(crs, aml_io(AML_DECODE16, 0x0060, 0x0060, 0x01, 0x01)); 723df0f3d13SGerd Hoffmann aml_append(crs, aml_io(AML_DECODE16, 0x0064, 0x0064, 0x01, 0x01)); 724df0f3d13SGerd Hoffmann aml_append(crs, aml_irq_no_flags(1)); 725df0f3d13SGerd Hoffmann 726df0f3d13SGerd Hoffmann kbd = aml_device("KBD"); 727df0f3d13SGerd Hoffmann aml_append(kbd, aml_name_decl("_HID", aml_eisaid("PNP0303"))); 728df0f3d13SGerd Hoffmann aml_append(kbd, aml_name_decl("_STA", aml_int(0xf))); 729df0f3d13SGerd Hoffmann aml_append(kbd, aml_name_decl("_CRS", crs)); 730df0f3d13SGerd Hoffmann 731df0f3d13SGerd Hoffmann crs = aml_resource_template(); 732df0f3d13SGerd Hoffmann aml_append(crs, aml_irq_no_flags(12)); 733df0f3d13SGerd Hoffmann 734df0f3d13SGerd Hoffmann mou = aml_device("MOU"); 735df0f3d13SGerd Hoffmann aml_append(mou, aml_name_decl("_HID", aml_eisaid("PNP0F13"))); 736df0f3d13SGerd Hoffmann aml_append(mou, aml_name_decl("_STA", aml_int(0xf))); 737df0f3d13SGerd Hoffmann aml_append(mou, aml_name_decl("_CRS", crs)); 738df0f3d13SGerd Hoffmann 739df0f3d13SGerd Hoffmann aml_append(scope, kbd); 740df0f3d13SGerd Hoffmann aml_append(scope, mou); 741df0f3d13SGerd Hoffmann } 742df0f3d13SGerd Hoffmann 743ff6e1624SVolker Rümelin static Property i8042_properties[] = { 744ff6e1624SVolker Rümelin DEFINE_PROP_BOOL("extended-state", ISAKBDState, kbd.extended_state, true), 745d1e45668SVolker Rümelin DEFINE_PROP_BOOL("kbd-throttle", ISAKBDState, kbd_throttle, false), 746ff6e1624SVolker Rümelin DEFINE_PROP_END_OF_LIST(), 747ff6e1624SVolker Rümelin }; 748ff6e1624SVolker Rümelin 74949ab747fSPaolo Bonzini static void i8042_class_initfn(ObjectClass *klass, void *data) 75049ab747fSPaolo Bonzini { 75149ab747fSPaolo Bonzini DeviceClass *dc = DEVICE_CLASS(klass); 752df0f3d13SGerd Hoffmann ISADeviceClass *isa = ISA_DEVICE_CLASS(klass); 753db895a1eSAndreas Färber 754ff6e1624SVolker Rümelin device_class_set_props(dc, i8042_properties); 755db895a1eSAndreas Färber dc->realize = i8042_realizefn; 75649ab747fSPaolo Bonzini dc->vmsd = &vmstate_kbd_isa; 757df0f3d13SGerd Hoffmann isa->build_aml = i8042_build_aml; 758cbe9ed73Skumar sourav set_bit(DEVICE_CATEGORY_INPUT, dc->categories); 75949ab747fSPaolo Bonzini } 76049ab747fSPaolo Bonzini 76149ab747fSPaolo Bonzini static const TypeInfo i8042_info = { 762a2e0b863SAndreas Färber .name = TYPE_I8042, 76349ab747fSPaolo Bonzini .parent = TYPE_ISA_DEVICE, 76449ab747fSPaolo Bonzini .instance_size = sizeof(ISAKBDState), 765db895a1eSAndreas Färber .instance_init = i8042_initfn, 76649ab747fSPaolo Bonzini .class_init = i8042_class_initfn, 76749ab747fSPaolo Bonzini }; 76849ab747fSPaolo Bonzini 76949ab747fSPaolo Bonzini static void i8042_register_types(void) 77049ab747fSPaolo Bonzini { 77149ab747fSPaolo Bonzini type_register_static(&i8042_info); 77249ab747fSPaolo Bonzini } 77349ab747fSPaolo Bonzini 77449ab747fSPaolo Bonzini type_init(i8042_register_types) 775