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" 26c2e846bbSPhilippe Mathieu-Daudé #include "qemu/log.h" 2749ab747fSPaolo Bonzini #include "hw/isa/isa.h" 28d6454270SMarkus Armbruster #include "migration/vmstate.h" 29*df0f3d13SGerd Hoffmann #include "hw/acpi/aml-build.h" 3049ab747fSPaolo Bonzini #include "hw/input/ps2.h" 3164552b6bSMarkus Armbruster #include "hw/irq.h" 3247973a2dSPhilippe Mathieu-Daudé #include "hw/input/i8042.h" 3371e8a915SMarkus Armbruster #include "sysemu/reset.h" 3454d31236SMarkus Armbruster #include "sysemu/runstate.h" 3549ab747fSPaolo Bonzini 3665b182c3SDr. David Alan Gilbert #include "trace.h" 3749ab747fSPaolo Bonzini 3849ab747fSPaolo Bonzini /* Keyboard Controller Commands */ 3949ab747fSPaolo Bonzini #define KBD_CCMD_READ_MODE 0x20 /* Read mode bits */ 4049ab747fSPaolo Bonzini #define KBD_CCMD_WRITE_MODE 0x60 /* Write mode bits */ 4149ab747fSPaolo Bonzini #define KBD_CCMD_GET_VERSION 0xA1 /* Get controller version */ 4249ab747fSPaolo Bonzini #define KBD_CCMD_MOUSE_DISABLE 0xA7 /* Disable mouse interface */ 4349ab747fSPaolo Bonzini #define KBD_CCMD_MOUSE_ENABLE 0xA8 /* Enable mouse interface */ 4449ab747fSPaolo Bonzini #define KBD_CCMD_TEST_MOUSE 0xA9 /* Mouse interface test */ 4549ab747fSPaolo Bonzini #define KBD_CCMD_SELF_TEST 0xAA /* Controller self test */ 4649ab747fSPaolo Bonzini #define KBD_CCMD_KBD_TEST 0xAB /* Keyboard interface test */ 4749ab747fSPaolo Bonzini #define KBD_CCMD_KBD_DISABLE 0xAD /* Keyboard interface disable */ 4849ab747fSPaolo Bonzini #define KBD_CCMD_KBD_ENABLE 0xAE /* Keyboard interface enable */ 4949ab747fSPaolo Bonzini #define KBD_CCMD_READ_INPORT 0xC0 /* read input port */ 5049ab747fSPaolo Bonzini #define KBD_CCMD_READ_OUTPORT 0xD0 /* read output port */ 5149ab747fSPaolo Bonzini #define KBD_CCMD_WRITE_OUTPORT 0xD1 /* write output port */ 5249ab747fSPaolo Bonzini #define KBD_CCMD_WRITE_OBUF 0xD2 5349ab747fSPaolo Bonzini #define KBD_CCMD_WRITE_AUX_OBUF 0xD3 /* Write to output buffer as if 5449ab747fSPaolo Bonzini initiated by the auxiliary device */ 5549ab747fSPaolo Bonzini #define KBD_CCMD_WRITE_MOUSE 0xD4 /* Write the following byte to the mouse */ 5649ab747fSPaolo Bonzini #define KBD_CCMD_DISABLE_A20 0xDD /* HP vectra only ? */ 5749ab747fSPaolo Bonzini #define KBD_CCMD_ENABLE_A20 0xDF /* HP vectra only ? */ 5849ab747fSPaolo Bonzini #define KBD_CCMD_PULSE_BITS_3_0 0xF0 /* Pulse bits 3-0 of the output port P2. */ 5949ab747fSPaolo Bonzini #define KBD_CCMD_RESET 0xFE /* Pulse bit 0 of the output port P2 = CPU reset. */ 6049ab747fSPaolo Bonzini #define KBD_CCMD_NO_OP 0xFF /* Pulse no bits of the output port P2. */ 6149ab747fSPaolo Bonzini 6249ab747fSPaolo Bonzini /* Keyboard Commands */ 6349ab747fSPaolo Bonzini #define KBD_CMD_SET_LEDS 0xED /* Set keyboard leds */ 6449ab747fSPaolo Bonzini #define KBD_CMD_ECHO 0xEE 6549ab747fSPaolo Bonzini #define KBD_CMD_GET_ID 0xF2 /* get keyboard ID */ 6649ab747fSPaolo Bonzini #define KBD_CMD_SET_RATE 0xF3 /* Set typematic rate */ 6749ab747fSPaolo Bonzini #define KBD_CMD_ENABLE 0xF4 /* Enable scanning */ 6849ab747fSPaolo Bonzini #define KBD_CMD_RESET_DISABLE 0xF5 /* reset and disable scanning */ 6949ab747fSPaolo Bonzini #define KBD_CMD_RESET_ENABLE 0xF6 /* reset and enable scanning */ 7049ab747fSPaolo Bonzini #define KBD_CMD_RESET 0xFF /* Reset */ 7149ab747fSPaolo Bonzini 7249ab747fSPaolo Bonzini /* Keyboard Replies */ 7349ab747fSPaolo Bonzini #define KBD_REPLY_POR 0xAA /* Power on reset */ 7449ab747fSPaolo Bonzini #define KBD_REPLY_ACK 0xFA /* Command ACK */ 7549ab747fSPaolo Bonzini #define KBD_REPLY_RESEND 0xFE /* Command NACK, send the cmd again */ 7649ab747fSPaolo Bonzini 7749ab747fSPaolo Bonzini /* Status Register Bits */ 7849ab747fSPaolo Bonzini #define KBD_STAT_OBF 0x01 /* Keyboard output buffer full */ 7949ab747fSPaolo Bonzini #define KBD_STAT_IBF 0x02 /* Keyboard input buffer full */ 8049ab747fSPaolo Bonzini #define KBD_STAT_SELFTEST 0x04 /* Self test successful */ 8149ab747fSPaolo Bonzini #define KBD_STAT_CMD 0x08 /* Last write was a command write (0=data) */ 8249ab747fSPaolo Bonzini #define KBD_STAT_UNLOCKED 0x10 /* Zero if keyboard locked */ 8349ab747fSPaolo Bonzini #define KBD_STAT_MOUSE_OBF 0x20 /* Mouse output buffer full */ 8449ab747fSPaolo Bonzini #define KBD_STAT_GTO 0x40 /* General receive/xmit timeout */ 8549ab747fSPaolo Bonzini #define KBD_STAT_PERR 0x80 /* Parity error */ 8649ab747fSPaolo Bonzini 8749ab747fSPaolo Bonzini /* Controller Mode Register Bits */ 8849ab747fSPaolo Bonzini #define KBD_MODE_KBD_INT 0x01 /* Keyboard data generate IRQ1 */ 8949ab747fSPaolo Bonzini #define KBD_MODE_MOUSE_INT 0x02 /* Mouse data generate IRQ12 */ 9049ab747fSPaolo Bonzini #define KBD_MODE_SYS 0x04 /* The system flag (?) */ 9149ab747fSPaolo Bonzini #define KBD_MODE_NO_KEYLOCK 0x08 /* The keylock doesn't affect the keyboard if set */ 9249ab747fSPaolo Bonzini #define KBD_MODE_DISABLE_KBD 0x10 /* Disable keyboard interface */ 9349ab747fSPaolo Bonzini #define KBD_MODE_DISABLE_MOUSE 0x20 /* Disable mouse interface */ 9449ab747fSPaolo Bonzini #define KBD_MODE_KCC 0x40 /* Scan code conversion to PC format */ 9549ab747fSPaolo Bonzini #define KBD_MODE_RFU 0x80 9649ab747fSPaolo Bonzini 9749ab747fSPaolo Bonzini /* Output Port Bits */ 9849ab747fSPaolo Bonzini #define KBD_OUT_RESET 0x01 /* 1=normal mode, 0=reset */ 9949ab747fSPaolo Bonzini #define KBD_OUT_A20 0x02 /* x86 only */ 10049ab747fSPaolo Bonzini #define KBD_OUT_OBF 0x10 /* Keyboard output buffer full */ 10149ab747fSPaolo Bonzini #define KBD_OUT_MOUSE_OBF 0x20 /* Mouse output buffer full */ 10249ab747fSPaolo Bonzini 103d13c0404SPaolo Bonzini /* OSes typically write 0xdd/0xdf to turn the A20 line off and on. 104d13c0404SPaolo Bonzini * We make the default value of the outport include these four bits, 105d13c0404SPaolo Bonzini * so that the subsection is rarely necessary. 106d13c0404SPaolo Bonzini */ 107d13c0404SPaolo Bonzini #define KBD_OUT_ONES 0xcc 108d13c0404SPaolo Bonzini 10949ab747fSPaolo Bonzini /* Mouse Commands */ 11049ab747fSPaolo Bonzini #define AUX_SET_SCALE11 0xE6 /* Set 1:1 scaling */ 11149ab747fSPaolo Bonzini #define AUX_SET_SCALE21 0xE7 /* Set 2:1 scaling */ 11249ab747fSPaolo Bonzini #define AUX_SET_RES 0xE8 /* Set resolution */ 11349ab747fSPaolo Bonzini #define AUX_GET_SCALE 0xE9 /* Get scaling factor */ 11449ab747fSPaolo Bonzini #define AUX_SET_STREAM 0xEA /* Set stream mode */ 11549ab747fSPaolo Bonzini #define AUX_POLL 0xEB /* Poll */ 11649ab747fSPaolo Bonzini #define AUX_RESET_WRAP 0xEC /* Reset wrap mode */ 11749ab747fSPaolo Bonzini #define AUX_SET_WRAP 0xEE /* Set wrap mode */ 11849ab747fSPaolo Bonzini #define AUX_SET_REMOTE 0xF0 /* Set remote mode */ 11949ab747fSPaolo Bonzini #define AUX_GET_TYPE 0xF2 /* Get type */ 12049ab747fSPaolo Bonzini #define AUX_SET_SAMPLE 0xF3 /* Set sample rate */ 12149ab747fSPaolo Bonzini #define AUX_ENABLE_DEV 0xF4 /* Enable aux device */ 12249ab747fSPaolo Bonzini #define AUX_DISABLE_DEV 0xF5 /* Disable aux device */ 12349ab747fSPaolo Bonzini #define AUX_SET_DEFAULT 0xF6 12449ab747fSPaolo Bonzini #define AUX_RESET 0xFF /* Reset aux device */ 12549ab747fSPaolo Bonzini #define AUX_ACK 0xFA /* Command byte ACK. */ 12649ab747fSPaolo Bonzini 12749ab747fSPaolo Bonzini #define MOUSE_STATUS_REMOTE 0x40 12849ab747fSPaolo Bonzini #define MOUSE_STATUS_ENABLED 0x20 12949ab747fSPaolo Bonzini #define MOUSE_STATUS_SCALE21 0x10 13049ab747fSPaolo Bonzini 13149ab747fSPaolo Bonzini #define KBD_PENDING_KBD 1 13249ab747fSPaolo Bonzini #define KBD_PENDING_AUX 2 13349ab747fSPaolo Bonzini 13449ab747fSPaolo Bonzini typedef struct KBDState { 13549ab747fSPaolo Bonzini uint8_t write_cmd; /* if non zero, write data to port 60 is expected */ 13649ab747fSPaolo Bonzini uint8_t status; 13749ab747fSPaolo Bonzini uint8_t mode; 13849ab747fSPaolo Bonzini uint8_t outport; 139a28fe7e3SPavel Dovgalyuk bool outport_present; 14049ab747fSPaolo Bonzini /* Bitmask of devices with data available. */ 14149ab747fSPaolo Bonzini uint8_t pending; 14249ab747fSPaolo Bonzini void *kbd; 14349ab747fSPaolo Bonzini void *mouse; 14449ab747fSPaolo Bonzini 14549ab747fSPaolo Bonzini qemu_irq irq_kbd; 14649ab747fSPaolo Bonzini qemu_irq irq_mouse; 1473115b9e2SEfimov Vasily qemu_irq a20_out; 14849ab747fSPaolo Bonzini hwaddr mask; 14949ab747fSPaolo Bonzini } KBDState; 15049ab747fSPaolo Bonzini 15149ab747fSPaolo Bonzini /* update irq and KBD_STAT_[MOUSE_]OBF */ 15249ab747fSPaolo Bonzini /* XXX: not generating the irqs if KBD_MODE_DISABLE_KBD is set may be 15349ab747fSPaolo Bonzini incorrect, but it avoids having to simulate exact delays */ 15449ab747fSPaolo Bonzini static void kbd_update_irq(KBDState *s) 15549ab747fSPaolo Bonzini { 15649ab747fSPaolo Bonzini int irq_kbd_level, irq_mouse_level; 15749ab747fSPaolo Bonzini 15849ab747fSPaolo Bonzini irq_kbd_level = 0; 15949ab747fSPaolo Bonzini irq_mouse_level = 0; 16049ab747fSPaolo Bonzini s->status &= ~(KBD_STAT_OBF | KBD_STAT_MOUSE_OBF); 16149ab747fSPaolo Bonzini s->outport &= ~(KBD_OUT_OBF | KBD_OUT_MOUSE_OBF); 16249ab747fSPaolo Bonzini if (s->pending) { 16349ab747fSPaolo Bonzini s->status |= KBD_STAT_OBF; 16449ab747fSPaolo Bonzini s->outport |= KBD_OUT_OBF; 16549ab747fSPaolo Bonzini /* kbd data takes priority over aux data. */ 16649ab747fSPaolo Bonzini if (s->pending == KBD_PENDING_AUX) { 16749ab747fSPaolo Bonzini s->status |= KBD_STAT_MOUSE_OBF; 16849ab747fSPaolo Bonzini s->outport |= KBD_OUT_MOUSE_OBF; 16949ab747fSPaolo Bonzini if (s->mode & KBD_MODE_MOUSE_INT) 17049ab747fSPaolo Bonzini irq_mouse_level = 1; 17149ab747fSPaolo Bonzini } else { 17249ab747fSPaolo Bonzini if ((s->mode & KBD_MODE_KBD_INT) && 17349ab747fSPaolo Bonzini !(s->mode & KBD_MODE_DISABLE_KBD)) 17449ab747fSPaolo Bonzini irq_kbd_level = 1; 17549ab747fSPaolo Bonzini } 17649ab747fSPaolo Bonzini } 17749ab747fSPaolo Bonzini qemu_set_irq(s->irq_kbd, irq_kbd_level); 17849ab747fSPaolo Bonzini qemu_set_irq(s->irq_mouse, irq_mouse_level); 17949ab747fSPaolo Bonzini } 18049ab747fSPaolo Bonzini 18149ab747fSPaolo Bonzini static void kbd_update_kbd_irq(void *opaque, int level) 18249ab747fSPaolo Bonzini { 18349ab747fSPaolo Bonzini KBDState *s = (KBDState *)opaque; 18449ab747fSPaolo Bonzini 18549ab747fSPaolo Bonzini if (level) 18649ab747fSPaolo Bonzini s->pending |= KBD_PENDING_KBD; 18749ab747fSPaolo Bonzini else 18849ab747fSPaolo Bonzini s->pending &= ~KBD_PENDING_KBD; 18949ab747fSPaolo Bonzini kbd_update_irq(s); 19049ab747fSPaolo Bonzini } 19149ab747fSPaolo Bonzini 19249ab747fSPaolo Bonzini static void kbd_update_aux_irq(void *opaque, int level) 19349ab747fSPaolo Bonzini { 19449ab747fSPaolo Bonzini KBDState *s = (KBDState *)opaque; 19549ab747fSPaolo Bonzini 19649ab747fSPaolo Bonzini if (level) 19749ab747fSPaolo Bonzini s->pending |= KBD_PENDING_AUX; 19849ab747fSPaolo Bonzini else 19949ab747fSPaolo Bonzini s->pending &= ~KBD_PENDING_AUX; 20049ab747fSPaolo Bonzini kbd_update_irq(s); 20149ab747fSPaolo Bonzini } 20249ab747fSPaolo Bonzini 20349ab747fSPaolo Bonzini static uint64_t kbd_read_status(void *opaque, hwaddr addr, 20449ab747fSPaolo Bonzini unsigned size) 20549ab747fSPaolo Bonzini { 20649ab747fSPaolo Bonzini KBDState *s = opaque; 20749ab747fSPaolo Bonzini int val; 20849ab747fSPaolo Bonzini val = s->status; 20965b182c3SDr. David Alan Gilbert trace_pckbd_kbd_read_status(val); 21049ab747fSPaolo Bonzini return val; 21149ab747fSPaolo Bonzini } 21249ab747fSPaolo Bonzini 21349ab747fSPaolo Bonzini static void kbd_queue(KBDState *s, int b, int aux) 21449ab747fSPaolo Bonzini { 21549ab747fSPaolo Bonzini if (aux) 21649ab747fSPaolo Bonzini ps2_queue(s->mouse, b); 21749ab747fSPaolo Bonzini else 21849ab747fSPaolo Bonzini ps2_queue(s->kbd, b); 21949ab747fSPaolo Bonzini } 22049ab747fSPaolo Bonzini 22149ab747fSPaolo Bonzini static void outport_write(KBDState *s, uint32_t val) 22249ab747fSPaolo Bonzini { 22365b182c3SDr. David Alan Gilbert trace_pckbd_outport_write(val); 22449ab747fSPaolo Bonzini s->outport = val; 2253115b9e2SEfimov Vasily qemu_set_irq(s->a20_out, (val >> 1) & 1); 22649ab747fSPaolo Bonzini if (!(val & 1)) { 227cf83f140SEric Blake qemu_system_reset_request(SHUTDOWN_CAUSE_GUEST_RESET); 22849ab747fSPaolo Bonzini } 22949ab747fSPaolo Bonzini } 23049ab747fSPaolo Bonzini 23149ab747fSPaolo Bonzini static void kbd_write_command(void *opaque, hwaddr addr, 23249ab747fSPaolo Bonzini uint64_t val, unsigned size) 23349ab747fSPaolo Bonzini { 23449ab747fSPaolo Bonzini KBDState *s = opaque; 23549ab747fSPaolo Bonzini 23665b182c3SDr. David Alan Gilbert trace_pckbd_kbd_write_command(val); 23749ab747fSPaolo Bonzini 23849ab747fSPaolo Bonzini /* Bits 3-0 of the output port P2 of the keyboard controller may be pulsed 23949ab747fSPaolo Bonzini * low for approximately 6 micro seconds. Bits 3-0 of the KBD_CCMD_PULSE 24049ab747fSPaolo Bonzini * command specify the output port bits to be pulsed. 24149ab747fSPaolo Bonzini * 0: Bit should be pulsed. 1: Bit should not be modified. 24249ab747fSPaolo Bonzini * The only useful version of this command is pulsing bit 0, 24349ab747fSPaolo Bonzini * which does a CPU reset. 24449ab747fSPaolo Bonzini */ 24549ab747fSPaolo Bonzini if((val & KBD_CCMD_PULSE_BITS_3_0) == KBD_CCMD_PULSE_BITS_3_0) { 24649ab747fSPaolo Bonzini if(!(val & 1)) 24749ab747fSPaolo Bonzini val = KBD_CCMD_RESET; 24849ab747fSPaolo Bonzini else 24949ab747fSPaolo Bonzini val = KBD_CCMD_NO_OP; 25049ab747fSPaolo Bonzini } 25149ab747fSPaolo Bonzini 25249ab747fSPaolo Bonzini switch(val) { 25349ab747fSPaolo Bonzini case KBD_CCMD_READ_MODE: 25449ab747fSPaolo Bonzini kbd_queue(s, s->mode, 0); 25549ab747fSPaolo Bonzini break; 25649ab747fSPaolo Bonzini case KBD_CCMD_WRITE_MODE: 25749ab747fSPaolo Bonzini case KBD_CCMD_WRITE_OBUF: 25849ab747fSPaolo Bonzini case KBD_CCMD_WRITE_AUX_OBUF: 25949ab747fSPaolo Bonzini case KBD_CCMD_WRITE_MOUSE: 26049ab747fSPaolo Bonzini case KBD_CCMD_WRITE_OUTPORT: 26149ab747fSPaolo Bonzini s->write_cmd = val; 26249ab747fSPaolo Bonzini break; 26349ab747fSPaolo Bonzini case KBD_CCMD_MOUSE_DISABLE: 26449ab747fSPaolo Bonzini s->mode |= KBD_MODE_DISABLE_MOUSE; 26549ab747fSPaolo Bonzini break; 26649ab747fSPaolo Bonzini case KBD_CCMD_MOUSE_ENABLE: 26749ab747fSPaolo Bonzini s->mode &= ~KBD_MODE_DISABLE_MOUSE; 26849ab747fSPaolo Bonzini break; 26949ab747fSPaolo Bonzini case KBD_CCMD_TEST_MOUSE: 27049ab747fSPaolo Bonzini kbd_queue(s, 0x00, 0); 27149ab747fSPaolo Bonzini break; 27249ab747fSPaolo Bonzini case KBD_CCMD_SELF_TEST: 27349ab747fSPaolo Bonzini s->status |= KBD_STAT_SELFTEST; 27449ab747fSPaolo Bonzini kbd_queue(s, 0x55, 0); 27549ab747fSPaolo Bonzini break; 27649ab747fSPaolo Bonzini case KBD_CCMD_KBD_TEST: 27749ab747fSPaolo Bonzini kbd_queue(s, 0x00, 0); 27849ab747fSPaolo Bonzini break; 27949ab747fSPaolo Bonzini case KBD_CCMD_KBD_DISABLE: 28049ab747fSPaolo Bonzini s->mode |= KBD_MODE_DISABLE_KBD; 28149ab747fSPaolo Bonzini kbd_update_irq(s); 28249ab747fSPaolo Bonzini break; 28349ab747fSPaolo Bonzini case KBD_CCMD_KBD_ENABLE: 28449ab747fSPaolo Bonzini s->mode &= ~KBD_MODE_DISABLE_KBD; 28549ab747fSPaolo Bonzini kbd_update_irq(s); 28649ab747fSPaolo Bonzini break; 28749ab747fSPaolo Bonzini case KBD_CCMD_READ_INPORT: 288f1b7e0e4SHervé Poussineau kbd_queue(s, 0x80, 0); 28949ab747fSPaolo Bonzini break; 29049ab747fSPaolo Bonzini case KBD_CCMD_READ_OUTPORT: 29149ab747fSPaolo Bonzini kbd_queue(s, s->outport, 0); 29249ab747fSPaolo Bonzini break; 29349ab747fSPaolo Bonzini case KBD_CCMD_ENABLE_A20: 2943115b9e2SEfimov Vasily qemu_irq_raise(s->a20_out); 29549ab747fSPaolo Bonzini s->outport |= KBD_OUT_A20; 29649ab747fSPaolo Bonzini break; 29749ab747fSPaolo Bonzini case KBD_CCMD_DISABLE_A20: 2983115b9e2SEfimov Vasily qemu_irq_lower(s->a20_out); 29949ab747fSPaolo Bonzini s->outport &= ~KBD_OUT_A20; 30049ab747fSPaolo Bonzini break; 30149ab747fSPaolo Bonzini case KBD_CCMD_RESET: 302cf83f140SEric Blake qemu_system_reset_request(SHUTDOWN_CAUSE_GUEST_RESET); 30349ab747fSPaolo Bonzini break; 30449ab747fSPaolo Bonzini case KBD_CCMD_NO_OP: 30549ab747fSPaolo Bonzini /* ignore that */ 30649ab747fSPaolo Bonzini break; 30749ab747fSPaolo Bonzini default: 308c2e846bbSPhilippe Mathieu-Daudé qemu_log_mask(LOG_GUEST_ERROR, 309c2e846bbSPhilippe Mathieu-Daudé "unsupported keyboard cmd=0x%02" PRIx64 "\n", val); 31049ab747fSPaolo Bonzini break; 31149ab747fSPaolo Bonzini } 31249ab747fSPaolo Bonzini } 31349ab747fSPaolo Bonzini 31449ab747fSPaolo Bonzini static uint64_t kbd_read_data(void *opaque, hwaddr addr, 31549ab747fSPaolo Bonzini unsigned size) 31649ab747fSPaolo Bonzini { 31749ab747fSPaolo Bonzini KBDState *s = opaque; 31849ab747fSPaolo Bonzini uint32_t val; 31949ab747fSPaolo Bonzini 32049ab747fSPaolo Bonzini if (s->pending == KBD_PENDING_AUX) 32149ab747fSPaolo Bonzini val = ps2_read_data(s->mouse); 32249ab747fSPaolo Bonzini else 32349ab747fSPaolo Bonzini val = ps2_read_data(s->kbd); 32449ab747fSPaolo Bonzini 32565b182c3SDr. David Alan Gilbert trace_pckbd_kbd_read_data(val); 32649ab747fSPaolo Bonzini return val; 32749ab747fSPaolo Bonzini } 32849ab747fSPaolo Bonzini 32949ab747fSPaolo Bonzini static void kbd_write_data(void *opaque, hwaddr addr, 33049ab747fSPaolo Bonzini uint64_t val, unsigned size) 33149ab747fSPaolo Bonzini { 33249ab747fSPaolo Bonzini KBDState *s = opaque; 33349ab747fSPaolo Bonzini 33465b182c3SDr. David Alan Gilbert trace_pckbd_kbd_write_data(val); 33549ab747fSPaolo Bonzini 33649ab747fSPaolo Bonzini switch(s->write_cmd) { 33749ab747fSPaolo Bonzini case 0: 33849ab747fSPaolo Bonzini ps2_write_keyboard(s->kbd, val); 33949ab747fSPaolo Bonzini break; 34049ab747fSPaolo Bonzini case KBD_CCMD_WRITE_MODE: 34149ab747fSPaolo Bonzini s->mode = val; 34249ab747fSPaolo Bonzini ps2_keyboard_set_translation(s->kbd, (s->mode & KBD_MODE_KCC) != 0); 34349ab747fSPaolo Bonzini /* ??? */ 34449ab747fSPaolo Bonzini kbd_update_irq(s); 34549ab747fSPaolo Bonzini break; 34649ab747fSPaolo Bonzini case KBD_CCMD_WRITE_OBUF: 34749ab747fSPaolo Bonzini kbd_queue(s, val, 0); 34849ab747fSPaolo Bonzini break; 34949ab747fSPaolo Bonzini case KBD_CCMD_WRITE_AUX_OBUF: 35049ab747fSPaolo Bonzini kbd_queue(s, val, 1); 35149ab747fSPaolo Bonzini break; 35249ab747fSPaolo Bonzini case KBD_CCMD_WRITE_OUTPORT: 35349ab747fSPaolo Bonzini outport_write(s, val); 35449ab747fSPaolo Bonzini break; 35549ab747fSPaolo Bonzini case KBD_CCMD_WRITE_MOUSE: 35649ab747fSPaolo Bonzini ps2_write_mouse(s->mouse, val); 35749ab747fSPaolo Bonzini break; 35849ab747fSPaolo Bonzini default: 35949ab747fSPaolo Bonzini break; 36049ab747fSPaolo Bonzini } 36149ab747fSPaolo Bonzini s->write_cmd = 0; 36249ab747fSPaolo Bonzini } 36349ab747fSPaolo Bonzini 36449ab747fSPaolo Bonzini static void kbd_reset(void *opaque) 36549ab747fSPaolo Bonzini { 36649ab747fSPaolo Bonzini KBDState *s = opaque; 36749ab747fSPaolo Bonzini 36849ab747fSPaolo Bonzini s->mode = KBD_MODE_KBD_INT | KBD_MODE_MOUSE_INT; 36949ab747fSPaolo Bonzini s->status = KBD_STAT_CMD | KBD_STAT_UNLOCKED; 370d13c0404SPaolo Bonzini s->outport = KBD_OUT_RESET | KBD_OUT_A20 | KBD_OUT_ONES; 371a28fe7e3SPavel Dovgalyuk s->outport_present = false; 372a28fe7e3SPavel Dovgalyuk } 373a28fe7e3SPavel Dovgalyuk 374a28fe7e3SPavel Dovgalyuk static uint8_t kbd_outport_default(KBDState *s) 375a28fe7e3SPavel Dovgalyuk { 376d13c0404SPaolo Bonzini return KBD_OUT_RESET | KBD_OUT_A20 | KBD_OUT_ONES 377a28fe7e3SPavel Dovgalyuk | (s->status & KBD_STAT_OBF ? KBD_OUT_OBF : 0) 378a28fe7e3SPavel Dovgalyuk | (s->status & KBD_STAT_MOUSE_OBF ? KBD_OUT_MOUSE_OBF : 0); 379a28fe7e3SPavel Dovgalyuk } 380a28fe7e3SPavel Dovgalyuk 381a28fe7e3SPavel Dovgalyuk static int kbd_outport_post_load(void *opaque, int version_id) 382a28fe7e3SPavel Dovgalyuk { 383a28fe7e3SPavel Dovgalyuk KBDState *s = opaque; 384a28fe7e3SPavel Dovgalyuk s->outport_present = true; 385a28fe7e3SPavel Dovgalyuk return 0; 386a28fe7e3SPavel Dovgalyuk } 387a28fe7e3SPavel Dovgalyuk 388a28fe7e3SPavel Dovgalyuk static bool kbd_outport_needed(void *opaque) 389a28fe7e3SPavel Dovgalyuk { 390a28fe7e3SPavel Dovgalyuk KBDState *s = opaque; 391a28fe7e3SPavel Dovgalyuk return s->outport != kbd_outport_default(s); 392a28fe7e3SPavel Dovgalyuk } 393a28fe7e3SPavel Dovgalyuk 3945cd8cadaSJuan Quintela static const VMStateDescription vmstate_kbd_outport = { 3955cd8cadaSJuan Quintela .name = "pckbd_outport", 3965cd8cadaSJuan Quintela .version_id = 1, 3975cd8cadaSJuan Quintela .minimum_version_id = 1, 3985cd8cadaSJuan Quintela .post_load = kbd_outport_post_load, 3995cd8cadaSJuan Quintela .needed = kbd_outport_needed, 4005cd8cadaSJuan Quintela .fields = (VMStateField[]) { 4015cd8cadaSJuan Quintela VMSTATE_UINT8(outport, KBDState), 4025cd8cadaSJuan Quintela VMSTATE_END_OF_LIST() 4035cd8cadaSJuan Quintela } 4045cd8cadaSJuan Quintela }; 4055cd8cadaSJuan Quintela 406a28fe7e3SPavel Dovgalyuk static int kbd_post_load(void *opaque, int version_id) 407a28fe7e3SPavel Dovgalyuk { 408a28fe7e3SPavel Dovgalyuk KBDState *s = opaque; 409a28fe7e3SPavel Dovgalyuk if (!s->outport_present) { 410a28fe7e3SPavel Dovgalyuk s->outport = kbd_outport_default(s); 411a28fe7e3SPavel Dovgalyuk } 412a28fe7e3SPavel Dovgalyuk s->outport_present = false; 413a28fe7e3SPavel Dovgalyuk return 0; 41449ab747fSPaolo Bonzini } 41549ab747fSPaolo Bonzini 41649ab747fSPaolo Bonzini static const VMStateDescription vmstate_kbd = { 41749ab747fSPaolo Bonzini .name = "pckbd", 41849ab747fSPaolo Bonzini .version_id = 3, 41949ab747fSPaolo Bonzini .minimum_version_id = 3, 420a28fe7e3SPavel Dovgalyuk .post_load = kbd_post_load, 42149ab747fSPaolo Bonzini .fields = (VMStateField[]) { 42249ab747fSPaolo Bonzini VMSTATE_UINT8(write_cmd, KBDState), 42349ab747fSPaolo Bonzini VMSTATE_UINT8(status, KBDState), 42449ab747fSPaolo Bonzini VMSTATE_UINT8(mode, KBDState), 42549ab747fSPaolo Bonzini VMSTATE_UINT8(pending, KBDState), 42649ab747fSPaolo Bonzini VMSTATE_END_OF_LIST() 427a28fe7e3SPavel Dovgalyuk }, 4285cd8cadaSJuan Quintela .subsections = (const VMStateDescription*[]) { 4295cd8cadaSJuan Quintela &vmstate_kbd_outport, 4305cd8cadaSJuan Quintela NULL 43149ab747fSPaolo Bonzini } 43249ab747fSPaolo Bonzini }; 43349ab747fSPaolo Bonzini 43449ab747fSPaolo Bonzini /* Memory mapped interface */ 4355876503cSPeter Maydell static uint64_t kbd_mm_readfn(void *opaque, hwaddr addr, unsigned size) 43649ab747fSPaolo Bonzini { 43749ab747fSPaolo Bonzini KBDState *s = opaque; 43849ab747fSPaolo Bonzini 43949ab747fSPaolo Bonzini if (addr & s->mask) 44049ab747fSPaolo Bonzini return kbd_read_status(s, 0, 1) & 0xff; 44149ab747fSPaolo Bonzini else 44249ab747fSPaolo Bonzini return kbd_read_data(s, 0, 1) & 0xff; 44349ab747fSPaolo Bonzini } 44449ab747fSPaolo Bonzini 4455876503cSPeter Maydell static void kbd_mm_writefn(void *opaque, hwaddr addr, 4465876503cSPeter Maydell uint64_t value, unsigned size) 44749ab747fSPaolo Bonzini { 44849ab747fSPaolo Bonzini KBDState *s = opaque; 44949ab747fSPaolo Bonzini 45049ab747fSPaolo Bonzini if (addr & s->mask) 45149ab747fSPaolo Bonzini kbd_write_command(s, 0, value & 0xff, 1); 45249ab747fSPaolo Bonzini else 45349ab747fSPaolo Bonzini kbd_write_data(s, 0, value & 0xff, 1); 45449ab747fSPaolo Bonzini } 45549ab747fSPaolo Bonzini 4565876503cSPeter Maydell 45749ab747fSPaolo Bonzini static const MemoryRegionOps i8042_mmio_ops = { 4585876503cSPeter Maydell .read = kbd_mm_readfn, 4595876503cSPeter Maydell .write = kbd_mm_writefn, 4605876503cSPeter Maydell .valid.min_access_size = 1, 4615876503cSPeter Maydell .valid.max_access_size = 4, 46249ab747fSPaolo Bonzini .endianness = DEVICE_NATIVE_ENDIAN, 46349ab747fSPaolo Bonzini }; 46449ab747fSPaolo Bonzini 46549ab747fSPaolo Bonzini void i8042_mm_init(qemu_irq kbd_irq, qemu_irq mouse_irq, 46649ab747fSPaolo Bonzini MemoryRegion *region, ram_addr_t size, 46749ab747fSPaolo Bonzini hwaddr mask) 46849ab747fSPaolo Bonzini { 46949ab747fSPaolo Bonzini KBDState *s = g_malloc0(sizeof(KBDState)); 47049ab747fSPaolo Bonzini 47149ab747fSPaolo Bonzini s->irq_kbd = kbd_irq; 47249ab747fSPaolo Bonzini s->irq_mouse = mouse_irq; 47349ab747fSPaolo Bonzini s->mask = mask; 47449ab747fSPaolo Bonzini 47549ab747fSPaolo Bonzini vmstate_register(NULL, 0, &vmstate_kbd, s); 47649ab747fSPaolo Bonzini 4772c9b15caSPaolo Bonzini memory_region_init_io(region, NULL, &i8042_mmio_ops, s, "i8042", size); 47849ab747fSPaolo Bonzini 47949ab747fSPaolo Bonzini s->kbd = ps2_kbd_init(kbd_update_kbd_irq, s); 48049ab747fSPaolo Bonzini s->mouse = ps2_mouse_init(kbd_update_aux_irq, s); 48149ab747fSPaolo Bonzini qemu_register_reset(kbd_reset, s); 48249ab747fSPaolo Bonzini } 48349ab747fSPaolo Bonzini 484a2e0b863SAndreas Färber #define I8042(obj) OBJECT_CHECK(ISAKBDState, (obj), TYPE_I8042) 485a2e0b863SAndreas Färber 4860fe4bb32SMarc-André Lureau struct ISAKBDState { 487a2e0b863SAndreas Färber ISADevice parent_obj; 488a2e0b863SAndreas Färber 48949ab747fSPaolo Bonzini KBDState kbd; 49049ab747fSPaolo Bonzini MemoryRegion io[2]; 4910fe4bb32SMarc-André Lureau }; 49249ab747fSPaolo Bonzini 4930fe4bb32SMarc-André Lureau void i8042_isa_mouse_fake_event(ISAKBDState *isa) 49449ab747fSPaolo Bonzini { 495a2e0b863SAndreas Färber KBDState *s = &isa->kbd; 49649ab747fSPaolo Bonzini 49749ab747fSPaolo Bonzini ps2_mouse_fake_event(s->mouse); 49849ab747fSPaolo Bonzini } 49949ab747fSPaolo Bonzini 500d80fe99dSMarc-André Lureau void i8042_setup_a20_line(ISADevice *dev, qemu_irq a20_out) 50149ab747fSPaolo Bonzini { 502d80fe99dSMarc-André Lureau qdev_connect_gpio_out_named(DEVICE(dev), I8042_A20_LINE, 0, a20_out); 50349ab747fSPaolo Bonzini } 50449ab747fSPaolo Bonzini 50549ab747fSPaolo Bonzini static const VMStateDescription vmstate_kbd_isa = { 50649ab747fSPaolo Bonzini .name = "pckbd", 50749ab747fSPaolo Bonzini .version_id = 3, 50849ab747fSPaolo Bonzini .minimum_version_id = 3, 50949ab747fSPaolo Bonzini .fields = (VMStateField[]) { 51049ab747fSPaolo Bonzini VMSTATE_STRUCT(kbd, ISAKBDState, 0, vmstate_kbd, KBDState), 51149ab747fSPaolo Bonzini VMSTATE_END_OF_LIST() 51249ab747fSPaolo Bonzini } 51349ab747fSPaolo Bonzini }; 51449ab747fSPaolo Bonzini 51549ab747fSPaolo Bonzini static const MemoryRegionOps i8042_data_ops = { 51649ab747fSPaolo Bonzini .read = kbd_read_data, 51749ab747fSPaolo Bonzini .write = kbd_write_data, 51849ab747fSPaolo Bonzini .impl = { 51949ab747fSPaolo Bonzini .min_access_size = 1, 52049ab747fSPaolo Bonzini .max_access_size = 1, 52149ab747fSPaolo Bonzini }, 52249ab747fSPaolo Bonzini .endianness = DEVICE_LITTLE_ENDIAN, 52349ab747fSPaolo Bonzini }; 52449ab747fSPaolo Bonzini 52549ab747fSPaolo Bonzini static const MemoryRegionOps i8042_cmd_ops = { 52649ab747fSPaolo Bonzini .read = kbd_read_status, 52749ab747fSPaolo Bonzini .write = kbd_write_command, 52849ab747fSPaolo Bonzini .impl = { 52949ab747fSPaolo Bonzini .min_access_size = 1, 53049ab747fSPaolo Bonzini .max_access_size = 1, 53149ab747fSPaolo Bonzini }, 53249ab747fSPaolo Bonzini .endianness = DEVICE_LITTLE_ENDIAN, 53349ab747fSPaolo Bonzini }; 53449ab747fSPaolo Bonzini 535db895a1eSAndreas Färber static void i8042_initfn(Object *obj) 53649ab747fSPaolo Bonzini { 537db895a1eSAndreas Färber ISAKBDState *isa_s = I8042(obj); 538db895a1eSAndreas Färber KBDState *s = &isa_s->kbd; 539db895a1eSAndreas Färber 5401437c94bSPaolo Bonzini memory_region_init_io(isa_s->io + 0, obj, &i8042_data_ops, s, 5411437c94bSPaolo Bonzini "i8042-data", 1); 5421437c94bSPaolo Bonzini memory_region_init_io(isa_s->io + 1, obj, &i8042_cmd_ops, s, 5431437c94bSPaolo Bonzini "i8042-cmd", 1); 5443115b9e2SEfimov Vasily 5453115b9e2SEfimov Vasily qdev_init_gpio_out_named(DEVICE(obj), &s->a20_out, I8042_A20_LINE, 1); 546db895a1eSAndreas Färber } 547db895a1eSAndreas Färber 548db895a1eSAndreas Färber static void i8042_realizefn(DeviceState *dev, Error **errp) 549db895a1eSAndreas Färber { 550db895a1eSAndreas Färber ISADevice *isadev = ISA_DEVICE(dev); 551a2e0b863SAndreas Färber ISAKBDState *isa_s = I8042(dev); 55249ab747fSPaolo Bonzini KBDState *s = &isa_s->kbd; 55349ab747fSPaolo Bonzini 554db895a1eSAndreas Färber isa_init_irq(isadev, &s->irq_kbd, 1); 555db895a1eSAndreas Färber isa_init_irq(isadev, &s->irq_mouse, 12); 55649ab747fSPaolo Bonzini 557db895a1eSAndreas Färber isa_register_ioport(isadev, isa_s->io + 0, 0x60); 558db895a1eSAndreas Färber isa_register_ioport(isadev, isa_s->io + 1, 0x64); 55949ab747fSPaolo Bonzini 56049ab747fSPaolo Bonzini s->kbd = ps2_kbd_init(kbd_update_kbd_irq, s); 56149ab747fSPaolo Bonzini s->mouse = ps2_mouse_init(kbd_update_aux_irq, s); 56249ab747fSPaolo Bonzini qemu_register_reset(kbd_reset, s); 56349ab747fSPaolo Bonzini } 56449ab747fSPaolo Bonzini 565*df0f3d13SGerd Hoffmann static void i8042_build_aml(ISADevice *isadev, Aml *scope) 566*df0f3d13SGerd Hoffmann { 567*df0f3d13SGerd Hoffmann Aml *kbd; 568*df0f3d13SGerd Hoffmann Aml *mou; 569*df0f3d13SGerd Hoffmann Aml *crs; 570*df0f3d13SGerd Hoffmann 571*df0f3d13SGerd Hoffmann crs = aml_resource_template(); 572*df0f3d13SGerd Hoffmann aml_append(crs, aml_io(AML_DECODE16, 0x0060, 0x0060, 0x01, 0x01)); 573*df0f3d13SGerd Hoffmann aml_append(crs, aml_io(AML_DECODE16, 0x0064, 0x0064, 0x01, 0x01)); 574*df0f3d13SGerd Hoffmann aml_append(crs, aml_irq_no_flags(1)); 575*df0f3d13SGerd Hoffmann 576*df0f3d13SGerd Hoffmann kbd = aml_device("KBD"); 577*df0f3d13SGerd Hoffmann aml_append(kbd, aml_name_decl("_HID", aml_eisaid("PNP0303"))); 578*df0f3d13SGerd Hoffmann aml_append(kbd, aml_name_decl("_STA", aml_int(0xf))); 579*df0f3d13SGerd Hoffmann aml_append(kbd, aml_name_decl("_CRS", crs)); 580*df0f3d13SGerd Hoffmann 581*df0f3d13SGerd Hoffmann crs = aml_resource_template(); 582*df0f3d13SGerd Hoffmann aml_append(crs, aml_irq_no_flags(12)); 583*df0f3d13SGerd Hoffmann 584*df0f3d13SGerd Hoffmann mou = aml_device("MOU"); 585*df0f3d13SGerd Hoffmann aml_append(mou, aml_name_decl("_HID", aml_eisaid("PNP0F13"))); 586*df0f3d13SGerd Hoffmann aml_append(mou, aml_name_decl("_STA", aml_int(0xf))); 587*df0f3d13SGerd Hoffmann aml_append(mou, aml_name_decl("_CRS", crs)); 588*df0f3d13SGerd Hoffmann 589*df0f3d13SGerd Hoffmann aml_append(scope, kbd); 590*df0f3d13SGerd Hoffmann aml_append(scope, mou); 591*df0f3d13SGerd Hoffmann } 592*df0f3d13SGerd Hoffmann 59349ab747fSPaolo Bonzini static void i8042_class_initfn(ObjectClass *klass, void *data) 59449ab747fSPaolo Bonzini { 59549ab747fSPaolo Bonzini DeviceClass *dc = DEVICE_CLASS(klass); 596*df0f3d13SGerd Hoffmann ISADeviceClass *isa = ISA_DEVICE_CLASS(klass); 597db895a1eSAndreas Färber 598db895a1eSAndreas Färber dc->realize = i8042_realizefn; 59949ab747fSPaolo Bonzini dc->vmsd = &vmstate_kbd_isa; 600*df0f3d13SGerd Hoffmann isa->build_aml = i8042_build_aml; 601cbe9ed73Skumar sourav set_bit(DEVICE_CATEGORY_INPUT, dc->categories); 60249ab747fSPaolo Bonzini } 60349ab747fSPaolo Bonzini 60449ab747fSPaolo Bonzini static const TypeInfo i8042_info = { 605a2e0b863SAndreas Färber .name = TYPE_I8042, 60649ab747fSPaolo Bonzini .parent = TYPE_ISA_DEVICE, 60749ab747fSPaolo Bonzini .instance_size = sizeof(ISAKBDState), 608db895a1eSAndreas Färber .instance_init = i8042_initfn, 60949ab747fSPaolo Bonzini .class_init = i8042_class_initfn, 61049ab747fSPaolo Bonzini }; 61149ab747fSPaolo Bonzini 61249ab747fSPaolo Bonzini static void i8042_register_types(void) 61349ab747fSPaolo Bonzini { 61449ab747fSPaolo Bonzini type_register_static(&i8042_info); 61549ab747fSPaolo Bonzini } 61649ab747fSPaolo Bonzini 61749ab747fSPaolo Bonzini type_init(i8042_register_types) 618