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" 29b86ce7a6SBernhard Beschow #include "qapi/error.h" 3049ab747fSPaolo Bonzini #include "hw/isa/isa.h" 31d6454270SMarkus Armbruster #include "migration/vmstate.h" 3268f01317SIgor Mammedov #include "hw/acpi/acpi_aml_interface.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 */ 4332be0157SMark Cave-Ayland 4432be0157SMark Cave-Ayland /* Read mode bits */ 4532be0157SMark Cave-Ayland #define KBD_CCMD_READ_MODE 0x20 4632be0157SMark Cave-Ayland /* Write mode bits */ 4732be0157SMark Cave-Ayland #define KBD_CCMD_WRITE_MODE 0x60 4832be0157SMark Cave-Ayland /* Get controller version */ 4932be0157SMark Cave-Ayland #define KBD_CCMD_GET_VERSION 0xA1 5032be0157SMark Cave-Ayland /* Disable mouse interface */ 5132be0157SMark Cave-Ayland #define KBD_CCMD_MOUSE_DISABLE 0xA7 5232be0157SMark Cave-Ayland /* Enable mouse interface */ 5332be0157SMark Cave-Ayland #define KBD_CCMD_MOUSE_ENABLE 0xA8 5432be0157SMark Cave-Ayland /* Mouse interface test */ 5532be0157SMark Cave-Ayland #define KBD_CCMD_TEST_MOUSE 0xA9 5632be0157SMark Cave-Ayland /* Controller self test */ 5732be0157SMark Cave-Ayland #define KBD_CCMD_SELF_TEST 0xAA 5832be0157SMark Cave-Ayland /* Keyboard interface test */ 5932be0157SMark Cave-Ayland #define KBD_CCMD_KBD_TEST 0xAB 6032be0157SMark Cave-Ayland /* Keyboard interface disable */ 6132be0157SMark Cave-Ayland #define KBD_CCMD_KBD_DISABLE 0xAD 6232be0157SMark Cave-Ayland /* Keyboard interface enable */ 6332be0157SMark Cave-Ayland #define KBD_CCMD_KBD_ENABLE 0xAE 6432be0157SMark Cave-Ayland /* read input port */ 6532be0157SMark Cave-Ayland #define KBD_CCMD_READ_INPORT 0xC0 6632be0157SMark Cave-Ayland /* read output port */ 6732be0157SMark Cave-Ayland #define KBD_CCMD_READ_OUTPORT 0xD0 6832be0157SMark Cave-Ayland /* write output port */ 6932be0157SMark Cave-Ayland #define KBD_CCMD_WRITE_OUTPORT 0xD1 7049ab747fSPaolo Bonzini #define KBD_CCMD_WRITE_OBUF 0xD2 7132be0157SMark Cave-Ayland /* Write to output buffer as if initiated by the auxiliary device */ 7232be0157SMark Cave-Ayland #define KBD_CCMD_WRITE_AUX_OBUF 0xD3 7332be0157SMark Cave-Ayland /* Write the following byte to the mouse */ 7432be0157SMark Cave-Ayland #define KBD_CCMD_WRITE_MOUSE 0xD4 7532be0157SMark Cave-Ayland /* HP vectra only ? */ 7632be0157SMark Cave-Ayland #define KBD_CCMD_DISABLE_A20 0xDD 7732be0157SMark Cave-Ayland /* HP vectra only ? */ 7832be0157SMark Cave-Ayland #define KBD_CCMD_ENABLE_A20 0xDF 7932be0157SMark Cave-Ayland /* Pulse bits 3-0 of the output port P2. */ 8032be0157SMark Cave-Ayland #define KBD_CCMD_PULSE_BITS_3_0 0xF0 8132be0157SMark Cave-Ayland /* Pulse bit 0 of the output port P2 = CPU reset. */ 8232be0157SMark Cave-Ayland #define KBD_CCMD_RESET 0xFE 8332be0157SMark Cave-Ayland /* Pulse no bits of the output port P2. */ 8432be0157SMark Cave-Ayland #define KBD_CCMD_NO_OP 0xFF 8549ab747fSPaolo Bonzini 8649ab747fSPaolo Bonzini /* Status Register Bits */ 8732be0157SMark Cave-Ayland 8832be0157SMark Cave-Ayland /* Keyboard output buffer full */ 8932be0157SMark Cave-Ayland #define KBD_STAT_OBF 0x01 9032be0157SMark Cave-Ayland /* Keyboard input buffer full */ 9132be0157SMark Cave-Ayland #define KBD_STAT_IBF 0x02 9232be0157SMark Cave-Ayland /* Self test successful */ 9332be0157SMark Cave-Ayland #define KBD_STAT_SELFTEST 0x04 9432be0157SMark Cave-Ayland /* Last write was a command write (0=data) */ 9532be0157SMark Cave-Ayland #define KBD_STAT_CMD 0x08 9632be0157SMark Cave-Ayland /* Zero if keyboard locked */ 9732be0157SMark Cave-Ayland #define KBD_STAT_UNLOCKED 0x10 9832be0157SMark Cave-Ayland /* Mouse output buffer full */ 9932be0157SMark Cave-Ayland #define KBD_STAT_MOUSE_OBF 0x20 10032be0157SMark Cave-Ayland /* General receive/xmit timeout */ 10132be0157SMark Cave-Ayland #define KBD_STAT_GTO 0x40 10232be0157SMark Cave-Ayland /* Parity error */ 10332be0157SMark Cave-Ayland #define KBD_STAT_PERR 0x80 10449ab747fSPaolo Bonzini 10549ab747fSPaolo Bonzini /* Controller Mode Register Bits */ 10632be0157SMark Cave-Ayland 10732be0157SMark Cave-Ayland /* Keyboard data generate IRQ1 */ 10832be0157SMark Cave-Ayland #define KBD_MODE_KBD_INT 0x01 10932be0157SMark Cave-Ayland /* Mouse data generate IRQ12 */ 11032be0157SMark Cave-Ayland #define KBD_MODE_MOUSE_INT 0x02 11132be0157SMark Cave-Ayland /* The system flag (?) */ 11232be0157SMark Cave-Ayland #define KBD_MODE_SYS 0x04 11332be0157SMark Cave-Ayland /* The keylock doesn't affect the keyboard if set */ 11432be0157SMark Cave-Ayland #define KBD_MODE_NO_KEYLOCK 0x08 11532be0157SMark Cave-Ayland /* Disable keyboard interface */ 11632be0157SMark Cave-Ayland #define KBD_MODE_DISABLE_KBD 0x10 11732be0157SMark Cave-Ayland /* Disable mouse interface */ 11832be0157SMark Cave-Ayland #define KBD_MODE_DISABLE_MOUSE 0x20 11932be0157SMark Cave-Ayland /* Scan code conversion to PC format */ 12032be0157SMark Cave-Ayland #define KBD_MODE_KCC 0x40 12149ab747fSPaolo Bonzini #define KBD_MODE_RFU 0x80 12249ab747fSPaolo Bonzini 12349ab747fSPaolo Bonzini /* Output Port Bits */ 12449ab747fSPaolo Bonzini #define KBD_OUT_RESET 0x01 /* 1=normal mode, 0=reset */ 12549ab747fSPaolo Bonzini #define KBD_OUT_A20 0x02 /* x86 only */ 12649ab747fSPaolo Bonzini #define KBD_OUT_OBF 0x10 /* Keyboard output buffer full */ 12749ab747fSPaolo Bonzini #define KBD_OUT_MOUSE_OBF 0x20 /* Mouse output buffer full */ 12849ab747fSPaolo Bonzini 12932be0157SMark Cave-Ayland /* 13032be0157SMark Cave-Ayland * OSes typically write 0xdd/0xdf to turn the A20 line off and on. 131d13c0404SPaolo Bonzini * We make the default value of the outport include these four bits, 132d13c0404SPaolo Bonzini * so that the subsection is rarely necessary. 133d13c0404SPaolo Bonzini */ 134d13c0404SPaolo Bonzini #define KBD_OUT_ONES 0xcc 135d13c0404SPaolo Bonzini 136f6f57a82SVolker Rümelin #define KBD_PENDING_KBD_COMPAT 0x01 137f6f57a82SVolker Rümelin #define KBD_PENDING_AUX_COMPAT 0x02 138aa67a42fSVolker Rümelin #define KBD_PENDING_CTRL_KBD 0x04 139aa67a42fSVolker Rümelin #define KBD_PENDING_CTRL_AUX 0x08 140f6f57a82SVolker Rümelin #define KBD_PENDING_KBD KBD_MODE_DISABLE_KBD /* 0x10 */ 141f6f57a82SVolker Rümelin #define KBD_PENDING_AUX KBD_MODE_DISABLE_MOUSE /* 0x20 */ 14249ab747fSPaolo Bonzini 143d1e45668SVolker Rümelin #define KBD_MIGR_TIMER_PENDING 0x1 144d1e45668SVolker Rümelin 145ac9192bdSVolker Rümelin #define KBD_OBSRC_KBD 0x01 146ac9192bdSVolker Rümelin #define KBD_OBSRC_MOUSE 0x02 147aa67a42fSVolker Rümelin #define KBD_OBSRC_CTRL 0x04 148ac9192bdSVolker Rümelin 14949ab747fSPaolo Bonzini 15032be0157SMark Cave-Ayland /* 15132be0157SMark Cave-Ayland * XXX: not generating the irqs if KBD_MODE_DISABLE_KBD is set may be 15232be0157SMark Cave-Ayland * incorrect, but it avoids having to simulate exact delays 15332be0157SMark Cave-Ayland */ 154c3c4a961SVolker Rümelin static void kbd_update_irq_lines(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; 160c3c4a961SVolker Rümelin 161c3c4a961SVolker Rümelin if (s->status & KBD_STAT_OBF) { 162c3c4a961SVolker Rümelin if (s->status & KBD_STAT_MOUSE_OBF) { 163c3c4a961SVolker Rümelin if (s->mode & KBD_MODE_MOUSE_INT) { 164c3c4a961SVolker Rümelin irq_mouse_level = 1; 165c3c4a961SVolker Rümelin } 166c3c4a961SVolker Rümelin } else { 167c3c4a961SVolker Rümelin if ((s->mode & KBD_MODE_KBD_INT) && 168c3c4a961SVolker Rümelin !(s->mode & KBD_MODE_DISABLE_KBD)) { 169c3c4a961SVolker Rümelin irq_kbd_level = 1; 170c3c4a961SVolker Rümelin } 171c3c4a961SVolker Rümelin } 172c3c4a961SVolker Rümelin } 173c2b17479SMark Cave-Ayland qemu_set_irq(s->irqs[I8042_KBD_IRQ], irq_kbd_level); 174c2b17479SMark Cave-Ayland qemu_set_irq(s->irqs[I8042_MOUSE_IRQ], irq_mouse_level); 175c3c4a961SVolker Rümelin } 176c3c4a961SVolker Rümelin 177ff6e1624SVolker Rümelin static void kbd_deassert_irq(KBDState *s) 178ff6e1624SVolker Rümelin { 179ff6e1624SVolker Rümelin s->status &= ~(KBD_STAT_OBF | KBD_STAT_MOUSE_OBF); 180ff6e1624SVolker Rümelin s->outport &= ~(KBD_OUT_OBF | KBD_OUT_MOUSE_OBF); 181ff6e1624SVolker Rümelin kbd_update_irq_lines(s); 182ff6e1624SVolker Rümelin } 183ff6e1624SVolker Rümelin 184e4697fabSVolker Rümelin static uint8_t kbd_pending(KBDState *s) 185e4697fabSVolker Rümelin { 186f6f57a82SVolker Rümelin if (s->extended_state) { 187f6f57a82SVolker Rümelin return s->pending & (~s->mode | ~(KBD_PENDING_KBD | KBD_PENDING_AUX)); 188f6f57a82SVolker Rümelin } else { 189e4697fabSVolker Rümelin return s->pending; 190e4697fabSVolker Rümelin } 191f6f57a82SVolker Rümelin } 192e4697fabSVolker Rümelin 193c3c4a961SVolker Rümelin /* update irq and KBD_STAT_[MOUSE_]OBF */ 194c3c4a961SVolker Rümelin static void kbd_update_irq(KBDState *s) 195c3c4a961SVolker Rümelin { 196e4697fabSVolker Rümelin uint8_t pending = kbd_pending(s); 197e4697fabSVolker Rümelin 19849ab747fSPaolo Bonzini s->status &= ~(KBD_STAT_OBF | KBD_STAT_MOUSE_OBF); 19949ab747fSPaolo Bonzini s->outport &= ~(KBD_OUT_OBF | KBD_OUT_MOUSE_OBF); 200e4697fabSVolker Rümelin if (pending) { 20149ab747fSPaolo Bonzini s->status |= KBD_STAT_OBF; 20249ab747fSPaolo Bonzini s->outport |= KBD_OUT_OBF; 203e4697fabSVolker Rümelin if (pending & KBD_PENDING_CTRL_KBD) { 204aa67a42fSVolker Rümelin s->obsrc = KBD_OBSRC_CTRL; 205e4697fabSVolker Rümelin } else if (pending & KBD_PENDING_CTRL_AUX) { 206aa67a42fSVolker Rümelin s->status |= KBD_STAT_MOUSE_OBF; 207aa67a42fSVolker Rümelin s->outport |= KBD_OUT_MOUSE_OBF; 208aa67a42fSVolker Rümelin s->obsrc = KBD_OBSRC_CTRL; 209e4697fabSVolker Rümelin } else if (pending & KBD_PENDING_KBD) { 210aa67a42fSVolker Rümelin s->obsrc = KBD_OBSRC_KBD; 211aa67a42fSVolker Rümelin } else { 21249ab747fSPaolo Bonzini s->status |= KBD_STAT_MOUSE_OBF; 21349ab747fSPaolo Bonzini s->outport |= KBD_OUT_MOUSE_OBF; 214ac9192bdSVolker Rümelin s->obsrc = KBD_OBSRC_MOUSE; 21549ab747fSPaolo Bonzini } 21649ab747fSPaolo Bonzini } 217c3c4a961SVolker Rümelin kbd_update_irq_lines(s); 21849ab747fSPaolo Bonzini } 21949ab747fSPaolo Bonzini 220ff6e1624SVolker Rümelin static void kbd_safe_update_irq(KBDState *s) 221ff6e1624SVolker Rümelin { 222ff6e1624SVolker Rümelin /* 223ff6e1624SVolker Rümelin * with KBD_STAT_OBF set, a call to kbd_read_data() will eventually call 224ff6e1624SVolker Rümelin * kbd_update_irq() 225ff6e1624SVolker Rümelin */ 226ff6e1624SVolker Rümelin if (s->status & KBD_STAT_OBF) { 227ff6e1624SVolker Rümelin return; 228ff6e1624SVolker Rümelin } 229d1e45668SVolker Rümelin /* the throttle timer is pending and will call kbd_update_irq() */ 230d1e45668SVolker Rümelin if (s->throttle_timer && timer_pending(s->throttle_timer)) { 231d1e45668SVolker Rümelin return; 232d1e45668SVolker Rümelin } 233e4697fabSVolker Rümelin if (kbd_pending(s)) { 234ff6e1624SVolker Rümelin kbd_update_irq(s); 235ff6e1624SVolker Rümelin } 236ff6e1624SVolker Rümelin } 237ff6e1624SVolker Rümelin 23849ab747fSPaolo Bonzini static void kbd_update_kbd_irq(void *opaque, int level) 23949ab747fSPaolo Bonzini { 240ff6e1624SVolker Rümelin KBDState *s = opaque; 24149ab747fSPaolo Bonzini 242ff6e1624SVolker Rümelin if (level) { 24349ab747fSPaolo Bonzini s->pending |= KBD_PENDING_KBD; 244ff6e1624SVolker Rümelin } else { 24549ab747fSPaolo Bonzini s->pending &= ~KBD_PENDING_KBD; 246ff6e1624SVolker Rümelin } 247ff6e1624SVolker Rümelin kbd_safe_update_irq(s); 24849ab747fSPaolo Bonzini } 24949ab747fSPaolo Bonzini 25049ab747fSPaolo Bonzini static void kbd_update_aux_irq(void *opaque, int level) 25149ab747fSPaolo Bonzini { 252ff6e1624SVolker Rümelin KBDState *s = opaque; 25349ab747fSPaolo Bonzini 254ff6e1624SVolker Rümelin if (level) { 25549ab747fSPaolo Bonzini s->pending |= KBD_PENDING_AUX; 256ff6e1624SVolker Rümelin } else { 25749ab747fSPaolo Bonzini s->pending &= ~KBD_PENDING_AUX; 258ff6e1624SVolker Rümelin } 259ff6e1624SVolker Rümelin kbd_safe_update_irq(s); 26049ab747fSPaolo Bonzini } 26149ab747fSPaolo Bonzini 262d1e45668SVolker Rümelin static void kbd_throttle_timeout(void *opaque) 263d1e45668SVolker Rümelin { 264d1e45668SVolker Rümelin KBDState *s = opaque; 265d1e45668SVolker Rümelin 266e4697fabSVolker Rümelin if (kbd_pending(s)) { 267d1e45668SVolker Rümelin kbd_update_irq(s); 268d1e45668SVolker Rümelin } 269d1e45668SVolker Rümelin } 270d1e45668SVolker Rümelin 27149ab747fSPaolo Bonzini static uint64_t kbd_read_status(void *opaque, hwaddr addr, 27249ab747fSPaolo Bonzini unsigned size) 27349ab747fSPaolo Bonzini { 27449ab747fSPaolo Bonzini KBDState *s = opaque; 27549ab747fSPaolo Bonzini int val; 27649ab747fSPaolo Bonzini val = s->status; 27765b182c3SDr. David Alan Gilbert trace_pckbd_kbd_read_status(val); 27849ab747fSPaolo Bonzini return val; 27949ab747fSPaolo Bonzini } 28049ab747fSPaolo Bonzini 28149ab747fSPaolo Bonzini static void kbd_queue(KBDState *s, int b, int aux) 28249ab747fSPaolo Bonzini { 283aa67a42fSVolker Rümelin if (s->extended_state) { 284aa67a42fSVolker Rümelin s->cbdata = b; 285aa67a42fSVolker Rümelin s->pending &= ~KBD_PENDING_CTRL_KBD & ~KBD_PENDING_CTRL_AUX; 286aa67a42fSVolker Rümelin s->pending |= aux ? KBD_PENDING_CTRL_AUX : KBD_PENDING_CTRL_KBD; 287aa67a42fSVolker Rümelin kbd_safe_update_irq(s); 288aa67a42fSVolker Rümelin } else { 2899d1a4250SMark Cave-Ayland ps2_queue(aux ? PS2_DEVICE(&s->ps2mouse) : PS2_DEVICE(&s->ps2kbd), b); 290aa67a42fSVolker Rümelin } 291aa67a42fSVolker Rümelin } 292aa67a42fSVolker Rümelin 293aa67a42fSVolker Rümelin static uint8_t kbd_dequeue(KBDState *s) 294aa67a42fSVolker Rümelin { 295aa67a42fSVolker Rümelin uint8_t b = s->cbdata; 296aa67a42fSVolker Rümelin 297aa67a42fSVolker Rümelin s->pending &= ~KBD_PENDING_CTRL_KBD & ~KBD_PENDING_CTRL_AUX; 298e4697fabSVolker Rümelin if (kbd_pending(s)) { 299aa67a42fSVolker Rümelin kbd_update_irq(s); 300aa67a42fSVolker Rümelin } 301aa67a42fSVolker Rümelin return b; 30249ab747fSPaolo Bonzini } 30349ab747fSPaolo Bonzini 30449ab747fSPaolo Bonzini static void outport_write(KBDState *s, uint32_t val) 30549ab747fSPaolo Bonzini { 30665b182c3SDr. David Alan Gilbert trace_pckbd_outport_write(val); 30749ab747fSPaolo Bonzini s->outport = val; 3083115b9e2SEfimov Vasily qemu_set_irq(s->a20_out, (val >> 1) & 1); 30949ab747fSPaolo Bonzini if (!(val & 1)) { 310cf83f140SEric Blake qemu_system_reset_request(SHUTDOWN_CAUSE_GUEST_RESET); 31149ab747fSPaolo Bonzini } 31249ab747fSPaolo Bonzini } 31349ab747fSPaolo Bonzini 31449ab747fSPaolo Bonzini static void kbd_write_command(void *opaque, hwaddr addr, 31549ab747fSPaolo Bonzini uint64_t val, unsigned size) 31649ab747fSPaolo Bonzini { 31749ab747fSPaolo Bonzini KBDState *s = opaque; 31849ab747fSPaolo Bonzini 31965b182c3SDr. David Alan Gilbert trace_pckbd_kbd_write_command(val); 32049ab747fSPaolo Bonzini 32132be0157SMark Cave-Ayland /* 32232be0157SMark Cave-Ayland * Bits 3-0 of the output port P2 of the keyboard controller may be pulsed 32349ab747fSPaolo Bonzini * low for approximately 6 micro seconds. Bits 3-0 of the KBD_CCMD_PULSE 32449ab747fSPaolo Bonzini * command specify the output port bits to be pulsed. 32549ab747fSPaolo Bonzini * 0: Bit should be pulsed. 1: Bit should not be modified. 32649ab747fSPaolo Bonzini * The only useful version of this command is pulsing bit 0, 32749ab747fSPaolo Bonzini * which does a CPU reset. 32849ab747fSPaolo Bonzini */ 32949ab747fSPaolo Bonzini if ((val & KBD_CCMD_PULSE_BITS_3_0) == KBD_CCMD_PULSE_BITS_3_0) { 33032be0157SMark Cave-Ayland if (!(val & 1)) { 33149ab747fSPaolo Bonzini val = KBD_CCMD_RESET; 33232be0157SMark Cave-Ayland } else { 33349ab747fSPaolo Bonzini val = KBD_CCMD_NO_OP; 33449ab747fSPaolo Bonzini } 33532be0157SMark Cave-Ayland } 33649ab747fSPaolo Bonzini 33749ab747fSPaolo Bonzini switch (val) { 33849ab747fSPaolo Bonzini case KBD_CCMD_READ_MODE: 33949ab747fSPaolo Bonzini kbd_queue(s, s->mode, 0); 34049ab747fSPaolo Bonzini break; 34149ab747fSPaolo Bonzini case KBD_CCMD_WRITE_MODE: 34249ab747fSPaolo Bonzini case KBD_CCMD_WRITE_OBUF: 34349ab747fSPaolo Bonzini case KBD_CCMD_WRITE_AUX_OBUF: 34449ab747fSPaolo Bonzini case KBD_CCMD_WRITE_MOUSE: 34549ab747fSPaolo Bonzini case KBD_CCMD_WRITE_OUTPORT: 34649ab747fSPaolo Bonzini s->write_cmd = val; 34749ab747fSPaolo Bonzini break; 34849ab747fSPaolo Bonzini case KBD_CCMD_MOUSE_DISABLE: 34949ab747fSPaolo Bonzini s->mode |= KBD_MODE_DISABLE_MOUSE; 35049ab747fSPaolo Bonzini break; 35149ab747fSPaolo Bonzini case KBD_CCMD_MOUSE_ENABLE: 35249ab747fSPaolo Bonzini s->mode &= ~KBD_MODE_DISABLE_MOUSE; 353f6f57a82SVolker Rümelin kbd_safe_update_irq(s); 35449ab747fSPaolo Bonzini break; 35549ab747fSPaolo Bonzini case KBD_CCMD_TEST_MOUSE: 35649ab747fSPaolo Bonzini kbd_queue(s, 0x00, 0); 35749ab747fSPaolo Bonzini break; 35849ab747fSPaolo Bonzini case KBD_CCMD_SELF_TEST: 35949ab747fSPaolo Bonzini s->status |= KBD_STAT_SELFTEST; 36049ab747fSPaolo Bonzini kbd_queue(s, 0x55, 0); 36149ab747fSPaolo Bonzini break; 36249ab747fSPaolo Bonzini case KBD_CCMD_KBD_TEST: 36349ab747fSPaolo Bonzini kbd_queue(s, 0x00, 0); 36449ab747fSPaolo Bonzini break; 36549ab747fSPaolo Bonzini case KBD_CCMD_KBD_DISABLE: 36649ab747fSPaolo Bonzini s->mode |= KBD_MODE_DISABLE_KBD; 36749ab747fSPaolo Bonzini break; 36849ab747fSPaolo Bonzini case KBD_CCMD_KBD_ENABLE: 36949ab747fSPaolo Bonzini s->mode &= ~KBD_MODE_DISABLE_KBD; 370ff6e1624SVolker Rümelin kbd_safe_update_irq(s); 37149ab747fSPaolo Bonzini break; 37249ab747fSPaolo Bonzini case KBD_CCMD_READ_INPORT: 373f1b7e0e4SHervé Poussineau kbd_queue(s, 0x80, 0); 37449ab747fSPaolo Bonzini break; 37549ab747fSPaolo Bonzini case KBD_CCMD_READ_OUTPORT: 37649ab747fSPaolo Bonzini kbd_queue(s, s->outport, 0); 37749ab747fSPaolo Bonzini break; 37849ab747fSPaolo Bonzini case KBD_CCMD_ENABLE_A20: 3793115b9e2SEfimov Vasily qemu_irq_raise(s->a20_out); 38049ab747fSPaolo Bonzini s->outport |= KBD_OUT_A20; 38149ab747fSPaolo Bonzini break; 38249ab747fSPaolo Bonzini case KBD_CCMD_DISABLE_A20: 3833115b9e2SEfimov Vasily qemu_irq_lower(s->a20_out); 38449ab747fSPaolo Bonzini s->outport &= ~KBD_OUT_A20; 38549ab747fSPaolo Bonzini break; 38649ab747fSPaolo Bonzini case KBD_CCMD_RESET: 387cf83f140SEric Blake qemu_system_reset_request(SHUTDOWN_CAUSE_GUEST_RESET); 38849ab747fSPaolo Bonzini break; 38949ab747fSPaolo Bonzini case KBD_CCMD_NO_OP: 39049ab747fSPaolo Bonzini /* ignore that */ 39149ab747fSPaolo Bonzini break; 39249ab747fSPaolo Bonzini default: 393c2e846bbSPhilippe Mathieu-Daudé qemu_log_mask(LOG_GUEST_ERROR, 394c2e846bbSPhilippe Mathieu-Daudé "unsupported keyboard cmd=0x%02" PRIx64 "\n", val); 39549ab747fSPaolo Bonzini break; 39649ab747fSPaolo Bonzini } 39749ab747fSPaolo Bonzini } 39849ab747fSPaolo Bonzini 39949ab747fSPaolo Bonzini static uint64_t kbd_read_data(void *opaque, hwaddr addr, 40049ab747fSPaolo Bonzini unsigned size) 40149ab747fSPaolo Bonzini { 40249ab747fSPaolo Bonzini KBDState *s = opaque; 40349ab747fSPaolo Bonzini 404ac9192bdSVolker Rümelin if (s->status & KBD_STAT_OBF) { 405ff6e1624SVolker Rümelin kbd_deassert_irq(s); 406ac9192bdSVolker Rümelin if (s->obsrc & KBD_OBSRC_KBD) { 407d1e45668SVolker Rümelin if (s->throttle_timer) { 408d1e45668SVolker Rümelin timer_mod(s->throttle_timer, 409d1e45668SVolker Rümelin qemu_clock_get_us(QEMU_CLOCK_VIRTUAL) + 1000); 410d1e45668SVolker Rümelin } 411652fbff4SMark Cave-Ayland s->obdata = ps2_read_data(PS2_DEVICE(&s->ps2kbd)); 412ac9192bdSVolker Rümelin } else if (s->obsrc & KBD_OBSRC_MOUSE) { 4139d1a4250SMark Cave-Ayland s->obdata = ps2_read_data(PS2_DEVICE(&s->ps2mouse)); 414aa67a42fSVolker Rümelin } else if (s->obsrc & KBD_OBSRC_CTRL) { 415aa67a42fSVolker Rümelin s->obdata = kbd_dequeue(s); 416ff6e1624SVolker Rümelin } 417ff6e1624SVolker Rümelin } 41849ab747fSPaolo Bonzini 419ff6e1624SVolker Rümelin trace_pckbd_kbd_read_data(s->obdata); 420ff6e1624SVolker Rümelin return s->obdata; 42149ab747fSPaolo Bonzini } 42249ab747fSPaolo Bonzini 42349ab747fSPaolo Bonzini static void kbd_write_data(void *opaque, hwaddr addr, 42449ab747fSPaolo Bonzini uint64_t val, unsigned size) 42549ab747fSPaolo Bonzini { 42649ab747fSPaolo Bonzini KBDState *s = opaque; 42749ab747fSPaolo Bonzini 42865b182c3SDr. David Alan Gilbert trace_pckbd_kbd_write_data(val); 42949ab747fSPaolo Bonzini 43049ab747fSPaolo Bonzini switch (s->write_cmd) { 43149ab747fSPaolo Bonzini case 0: 432652fbff4SMark Cave-Ayland ps2_write_keyboard(&s->ps2kbd, val); 433f6f57a82SVolker Rümelin /* sending data to the keyboard reenables PS/2 communication */ 434f6f57a82SVolker Rümelin s->mode &= ~KBD_MODE_DISABLE_KBD; 435f6f57a82SVolker Rümelin kbd_safe_update_irq(s); 43649ab747fSPaolo Bonzini break; 43749ab747fSPaolo Bonzini case KBD_CCMD_WRITE_MODE: 43849ab747fSPaolo Bonzini s->mode = val; 439652fbff4SMark Cave-Ayland ps2_keyboard_set_translation(&s->ps2kbd, 440652fbff4SMark Cave-Ayland (s->mode & KBD_MODE_KCC) != 0); 441ff6e1624SVolker Rümelin /* 442ff6e1624SVolker Rümelin * a write to the mode byte interrupt enable flags directly updates 443ff6e1624SVolker Rümelin * the irq lines 444ff6e1624SVolker Rümelin */ 445ff6e1624SVolker Rümelin kbd_update_irq_lines(s); 446ff6e1624SVolker Rümelin /* 447ff6e1624SVolker Rümelin * a write to the mode byte disable interface flags may raise 448ff6e1624SVolker Rümelin * an irq if there is pending data in the PS/2 queues. 449ff6e1624SVolker Rümelin */ 450ff6e1624SVolker Rümelin kbd_safe_update_irq(s); 45149ab747fSPaolo Bonzini break; 45249ab747fSPaolo Bonzini case KBD_CCMD_WRITE_OBUF: 45349ab747fSPaolo Bonzini kbd_queue(s, val, 0); 45449ab747fSPaolo Bonzini break; 45549ab747fSPaolo Bonzini case KBD_CCMD_WRITE_AUX_OBUF: 45649ab747fSPaolo Bonzini kbd_queue(s, val, 1); 45749ab747fSPaolo Bonzini break; 45849ab747fSPaolo Bonzini case KBD_CCMD_WRITE_OUTPORT: 45949ab747fSPaolo Bonzini outport_write(s, val); 46049ab747fSPaolo Bonzini break; 46149ab747fSPaolo Bonzini case KBD_CCMD_WRITE_MOUSE: 4629d1a4250SMark Cave-Ayland ps2_write_mouse(&s->ps2mouse, val); 463f6f57a82SVolker Rümelin /* sending data to the mouse reenables PS/2 communication */ 464f6f57a82SVolker Rümelin s->mode &= ~KBD_MODE_DISABLE_MOUSE; 465f6f57a82SVolker Rümelin kbd_safe_update_irq(s); 46649ab747fSPaolo Bonzini break; 46749ab747fSPaolo Bonzini default: 46849ab747fSPaolo Bonzini break; 46949ab747fSPaolo Bonzini } 47049ab747fSPaolo Bonzini s->write_cmd = 0; 47149ab747fSPaolo Bonzini } 47249ab747fSPaolo Bonzini 47349ab747fSPaolo Bonzini static void kbd_reset(void *opaque) 47449ab747fSPaolo Bonzini { 47549ab747fSPaolo Bonzini KBDState *s = opaque; 47649ab747fSPaolo Bonzini 47749ab747fSPaolo Bonzini s->mode = KBD_MODE_KBD_INT | KBD_MODE_MOUSE_INT; 47849ab747fSPaolo Bonzini s->status = KBD_STAT_CMD | KBD_STAT_UNLOCKED; 479d13c0404SPaolo Bonzini s->outport = KBD_OUT_RESET | KBD_OUT_A20 | KBD_OUT_ONES; 480ff6e1624SVolker Rümelin s->pending = 0; 481ff6e1624SVolker Rümelin kbd_deassert_irq(s); 482d1e45668SVolker Rümelin if (s->throttle_timer) { 483d1e45668SVolker Rümelin timer_del(s->throttle_timer); 484d1e45668SVolker Rümelin } 485a28fe7e3SPavel Dovgalyuk } 486a28fe7e3SPavel Dovgalyuk 487a28fe7e3SPavel Dovgalyuk static uint8_t kbd_outport_default(KBDState *s) 488a28fe7e3SPavel Dovgalyuk { 489d13c0404SPaolo Bonzini return KBD_OUT_RESET | KBD_OUT_A20 | KBD_OUT_ONES 490a28fe7e3SPavel Dovgalyuk | (s->status & KBD_STAT_OBF ? KBD_OUT_OBF : 0) 491a28fe7e3SPavel Dovgalyuk | (s->status & KBD_STAT_MOUSE_OBF ? KBD_OUT_MOUSE_OBF : 0); 492a28fe7e3SPavel Dovgalyuk } 493a28fe7e3SPavel Dovgalyuk 494a28fe7e3SPavel Dovgalyuk static int kbd_outport_post_load(void *opaque, int version_id) 495a28fe7e3SPavel Dovgalyuk { 496a28fe7e3SPavel Dovgalyuk KBDState *s = opaque; 497a28fe7e3SPavel Dovgalyuk s->outport_present = true; 498a28fe7e3SPavel Dovgalyuk return 0; 499a28fe7e3SPavel Dovgalyuk } 500a28fe7e3SPavel Dovgalyuk 501a28fe7e3SPavel Dovgalyuk static bool kbd_outport_needed(void *opaque) 502a28fe7e3SPavel Dovgalyuk { 503a28fe7e3SPavel Dovgalyuk KBDState *s = opaque; 504a28fe7e3SPavel Dovgalyuk return s->outport != kbd_outport_default(s); 505a28fe7e3SPavel Dovgalyuk } 506a28fe7e3SPavel Dovgalyuk 5075cd8cadaSJuan Quintela static const VMStateDescription vmstate_kbd_outport = { 5085cd8cadaSJuan Quintela .name = "pckbd_outport", 5095cd8cadaSJuan Quintela .version_id = 1, 5105cd8cadaSJuan Quintela .minimum_version_id = 1, 5115cd8cadaSJuan Quintela .post_load = kbd_outport_post_load, 5125cd8cadaSJuan Quintela .needed = kbd_outport_needed, 513*af0f07dfSRichard Henderson .fields = (const VMStateField[]) { 5145cd8cadaSJuan Quintela VMSTATE_UINT8(outport, KBDState), 5155cd8cadaSJuan Quintela VMSTATE_END_OF_LIST() 5165cd8cadaSJuan Quintela } 5175cd8cadaSJuan Quintela }; 5185cd8cadaSJuan Quintela 519d1e45668SVolker Rümelin static int kbd_extended_state_pre_save(void *opaque) 520d1e45668SVolker Rümelin { 521d1e45668SVolker Rümelin KBDState *s = opaque; 522d1e45668SVolker Rümelin 523d1e45668SVolker Rümelin s->migration_flags = 0; 524d1e45668SVolker Rümelin if (s->throttle_timer && timer_pending(s->throttle_timer)) { 525d1e45668SVolker Rümelin s->migration_flags |= KBD_MIGR_TIMER_PENDING; 526d1e45668SVolker Rümelin } 527d1e45668SVolker Rümelin 528d1e45668SVolker Rümelin return 0; 529d1e45668SVolker Rümelin } 530d1e45668SVolker Rümelin 531d1e45668SVolker Rümelin static int kbd_extended_state_post_load(void *opaque, int version_id) 532d1e45668SVolker Rümelin { 533d1e45668SVolker Rümelin KBDState *s = opaque; 534d1e45668SVolker Rümelin 535d1e45668SVolker Rümelin if (s->migration_flags & KBD_MIGR_TIMER_PENDING) { 536d1e45668SVolker Rümelin kbd_throttle_timeout(s); 537d1e45668SVolker Rümelin } 538ac9192bdSVolker Rümelin s->extended_state_loaded = true; 539d1e45668SVolker Rümelin 540d1e45668SVolker Rümelin return 0; 541d1e45668SVolker Rümelin } 542d1e45668SVolker Rümelin 543ff6e1624SVolker Rümelin static bool kbd_extended_state_needed(void *opaque) 544ff6e1624SVolker Rümelin { 545ff6e1624SVolker Rümelin KBDState *s = opaque; 546ff6e1624SVolker Rümelin 547ff6e1624SVolker Rümelin return s->extended_state; 548ff6e1624SVolker Rümelin } 549ff6e1624SVolker Rümelin 550ff6e1624SVolker Rümelin static const VMStateDescription vmstate_kbd_extended_state = { 551ff6e1624SVolker Rümelin .name = "pckbd/extended_state", 552d1e45668SVolker Rümelin .post_load = kbd_extended_state_post_load, 553d1e45668SVolker Rümelin .pre_save = kbd_extended_state_pre_save, 554ff6e1624SVolker Rümelin .needed = kbd_extended_state_needed, 555*af0f07dfSRichard Henderson .fields = (const VMStateField[]) { 556d1e45668SVolker Rümelin VMSTATE_UINT32(migration_flags, KBDState), 557ac9192bdSVolker Rümelin VMSTATE_UINT32(obsrc, KBDState), 558ff6e1624SVolker Rümelin VMSTATE_UINT8(obdata, KBDState), 559aa67a42fSVolker Rümelin VMSTATE_UINT8(cbdata, KBDState), 560ff6e1624SVolker Rümelin VMSTATE_END_OF_LIST() 561ff6e1624SVolker Rümelin } 562ff6e1624SVolker Rümelin }; 563ff6e1624SVolker Rümelin 564f6f57a82SVolker Rümelin static int kbd_pre_save(void *opaque) 565f6f57a82SVolker Rümelin { 566f6f57a82SVolker Rümelin KBDState *s = opaque; 567f6f57a82SVolker Rümelin 568f6f57a82SVolker Rümelin if (s->extended_state) { 569f6f57a82SVolker Rümelin s->pending_tmp = s->pending; 570f6f57a82SVolker Rümelin } else { 571f6f57a82SVolker Rümelin s->pending_tmp = 0; 572f6f57a82SVolker Rümelin if (s->pending & KBD_PENDING_KBD) { 573f6f57a82SVolker Rümelin s->pending_tmp |= KBD_PENDING_KBD_COMPAT; 574f6f57a82SVolker Rümelin } 575f6f57a82SVolker Rümelin if (s->pending & KBD_PENDING_AUX) { 576f6f57a82SVolker Rümelin s->pending_tmp |= KBD_PENDING_AUX_COMPAT; 577f6f57a82SVolker Rümelin } 578f6f57a82SVolker Rümelin } 579f6f57a82SVolker Rümelin return 0; 580f6f57a82SVolker Rümelin } 581f6f57a82SVolker Rümelin 582ac9192bdSVolker Rümelin static int kbd_pre_load(void *opaque) 583ac9192bdSVolker Rümelin { 584ac9192bdSVolker Rümelin KBDState *s = opaque; 585ac9192bdSVolker Rümelin 5869d74e6c3SVolker Rümelin s->outport_present = false; 587ac9192bdSVolker Rümelin s->extended_state_loaded = false; 588ac9192bdSVolker Rümelin return 0; 589ac9192bdSVolker Rümelin } 590ac9192bdSVolker Rümelin 591a28fe7e3SPavel Dovgalyuk static int kbd_post_load(void *opaque, int version_id) 592a28fe7e3SPavel Dovgalyuk { 593a28fe7e3SPavel Dovgalyuk KBDState *s = opaque; 594a28fe7e3SPavel Dovgalyuk if (!s->outport_present) { 595a28fe7e3SPavel Dovgalyuk s->outport = kbd_outport_default(s); 596a28fe7e3SPavel Dovgalyuk } 597f6f57a82SVolker Rümelin s->pending = s->pending_tmp; 598ac9192bdSVolker Rümelin if (!s->extended_state_loaded) { 599ac9192bdSVolker Rümelin s->obsrc = s->status & KBD_STAT_OBF ? 600ac9192bdSVolker Rümelin (s->status & KBD_STAT_MOUSE_OBF ? KBD_OBSRC_MOUSE : KBD_OBSRC_KBD) : 601ac9192bdSVolker Rümelin 0; 602f6f57a82SVolker Rümelin if (s->pending & KBD_PENDING_KBD_COMPAT) { 603f6f57a82SVolker Rümelin s->pending |= KBD_PENDING_KBD; 604ac9192bdSVolker Rümelin } 605f6f57a82SVolker Rümelin if (s->pending & KBD_PENDING_AUX_COMPAT) { 606f6f57a82SVolker Rümelin s->pending |= KBD_PENDING_AUX; 607f6f57a82SVolker Rümelin } 608f6f57a82SVolker Rümelin } 609f6f57a82SVolker Rümelin /* clear all unused flags */ 610f6f57a82SVolker Rümelin s->pending &= KBD_PENDING_CTRL_KBD | KBD_PENDING_CTRL_AUX | 611f6f57a82SVolker Rümelin KBD_PENDING_KBD | KBD_PENDING_AUX; 612a28fe7e3SPavel Dovgalyuk return 0; 61349ab747fSPaolo Bonzini } 61449ab747fSPaolo Bonzini 61549ab747fSPaolo Bonzini static const VMStateDescription vmstate_kbd = { 61649ab747fSPaolo Bonzini .name = "pckbd", 61749ab747fSPaolo Bonzini .version_id = 3, 61849ab747fSPaolo Bonzini .minimum_version_id = 3, 619ac9192bdSVolker Rümelin .pre_load = kbd_pre_load, 620a28fe7e3SPavel Dovgalyuk .post_load = kbd_post_load, 621f6f57a82SVolker Rümelin .pre_save = kbd_pre_save, 622*af0f07dfSRichard Henderson .fields = (const VMStateField[]) { 62349ab747fSPaolo Bonzini VMSTATE_UINT8(write_cmd, KBDState), 62449ab747fSPaolo Bonzini VMSTATE_UINT8(status, KBDState), 62549ab747fSPaolo Bonzini VMSTATE_UINT8(mode, KBDState), 626f6f57a82SVolker Rümelin VMSTATE_UINT8(pending_tmp, KBDState), 62749ab747fSPaolo Bonzini VMSTATE_END_OF_LIST() 628a28fe7e3SPavel Dovgalyuk }, 629*af0f07dfSRichard Henderson .subsections = (const VMStateDescription * const []) { 6305cd8cadaSJuan Quintela &vmstate_kbd_outport, 631ff6e1624SVolker Rümelin &vmstate_kbd_extended_state, 6325cd8cadaSJuan Quintela NULL 63349ab747fSPaolo Bonzini } 63449ab747fSPaolo Bonzini }; 63549ab747fSPaolo Bonzini 63649ab747fSPaolo Bonzini /* Memory mapped interface */ 6375876503cSPeter Maydell static uint64_t kbd_mm_readfn(void *opaque, hwaddr addr, unsigned size) 63849ab747fSPaolo Bonzini { 63949ab747fSPaolo Bonzini KBDState *s = opaque; 64049ab747fSPaolo Bonzini 64132be0157SMark Cave-Ayland if (addr & s->mask) { 64249ab747fSPaolo Bonzini return kbd_read_status(s, 0, 1) & 0xff; 64332be0157SMark Cave-Ayland } else { 64449ab747fSPaolo Bonzini return kbd_read_data(s, 0, 1) & 0xff; 64549ab747fSPaolo Bonzini } 64632be0157SMark Cave-Ayland } 64749ab747fSPaolo Bonzini 6485876503cSPeter Maydell static void kbd_mm_writefn(void *opaque, hwaddr addr, 6495876503cSPeter Maydell uint64_t value, unsigned size) 65049ab747fSPaolo Bonzini { 65149ab747fSPaolo Bonzini KBDState *s = opaque; 65249ab747fSPaolo Bonzini 65332be0157SMark Cave-Ayland if (addr & s->mask) { 65449ab747fSPaolo Bonzini kbd_write_command(s, 0, value & 0xff, 1); 65532be0157SMark Cave-Ayland } else { 65649ab747fSPaolo Bonzini kbd_write_data(s, 0, value & 0xff, 1); 65749ab747fSPaolo Bonzini } 65832be0157SMark Cave-Ayland } 65949ab747fSPaolo Bonzini 6605876503cSPeter Maydell 66149ab747fSPaolo Bonzini static const MemoryRegionOps i8042_mmio_ops = { 6625876503cSPeter Maydell .read = kbd_mm_readfn, 6635876503cSPeter Maydell .write = kbd_mm_writefn, 6645876503cSPeter Maydell .valid.min_access_size = 1, 6655876503cSPeter Maydell .valid.max_access_size = 4, 66649ab747fSPaolo Bonzini .endianness = DEVICE_NATIVE_ENDIAN, 66749ab747fSPaolo Bonzini }; 66849ab747fSPaolo Bonzini 669cb663a81SMark Cave-Ayland static void i8042_mmio_set_kbd_irq(void *opaque, int n, int level) 670cb663a81SMark Cave-Ayland { 671cb663a81SMark Cave-Ayland MMIOKBDState *s = I8042_MMIO(opaque); 672cb663a81SMark Cave-Ayland KBDState *ks = &s->kbd; 673cb663a81SMark Cave-Ayland 674cb663a81SMark Cave-Ayland kbd_update_kbd_irq(ks, level); 675cb663a81SMark Cave-Ayland } 676cb663a81SMark Cave-Ayland 677cb663a81SMark Cave-Ayland static void i8042_mmio_set_mouse_irq(void *opaque, int n, int level) 678cb663a81SMark Cave-Ayland { 679cb663a81SMark Cave-Ayland MMIOKBDState *s = I8042_MMIO(opaque); 680cb663a81SMark Cave-Ayland KBDState *ks = &s->kbd; 681cb663a81SMark Cave-Ayland 682cb663a81SMark Cave-Ayland kbd_update_aux_irq(ks, level); 683cb663a81SMark Cave-Ayland } 684cb663a81SMark Cave-Ayland 68557f6c3aaSMark Cave-Ayland static void i8042_mmio_reset(DeviceState *dev) 68657f6c3aaSMark Cave-Ayland { 68757f6c3aaSMark Cave-Ayland MMIOKBDState *s = I8042_MMIO(dev); 68857f6c3aaSMark Cave-Ayland KBDState *ks = &s->kbd; 68957f6c3aaSMark Cave-Ayland 69057f6c3aaSMark Cave-Ayland kbd_reset(ks); 69157f6c3aaSMark Cave-Ayland } 69257f6c3aaSMark Cave-Ayland 693f4de68d1SMark Cave-Ayland static void i8042_mmio_realize(DeviceState *dev, Error **errp) 694f4de68d1SMark Cave-Ayland { 695f4de68d1SMark Cave-Ayland MMIOKBDState *s = I8042_MMIO(dev); 696f4de68d1SMark Cave-Ayland KBDState *ks = &s->kbd; 697f4de68d1SMark Cave-Ayland 698f4de68d1SMark Cave-Ayland memory_region_init_io(&s->region, OBJECT(dev), &i8042_mmio_ops, ks, 699f4de68d1SMark Cave-Ayland "i8042", s->size); 700f4de68d1SMark Cave-Ayland 701f4de68d1SMark Cave-Ayland sysbus_init_mmio(SYS_BUS_DEVICE(dev), &s->region); 70275877e93SMark Cave-Ayland 703652fbff4SMark Cave-Ayland if (!sysbus_realize(SYS_BUS_DEVICE(&ks->ps2kbd), errp)) { 704652fbff4SMark Cave-Ayland return; 705652fbff4SMark Cave-Ayland } 706652fbff4SMark Cave-Ayland 7079d1a4250SMark Cave-Ayland if (!sysbus_realize(SYS_BUS_DEVICE(&ks->ps2mouse), errp)) { 7089d1a4250SMark Cave-Ayland return; 7099d1a4250SMark Cave-Ayland } 7109d1a4250SMark Cave-Ayland 711652fbff4SMark Cave-Ayland qdev_connect_gpio_out(DEVICE(&ks->ps2kbd), PS2_DEVICE_IRQ, 712cb663a81SMark Cave-Ayland qdev_get_gpio_in_named(dev, "ps2-kbd-input-irq", 713cb663a81SMark Cave-Ayland 0)); 714652fbff4SMark Cave-Ayland 7159d1a4250SMark Cave-Ayland qdev_connect_gpio_out(DEVICE(&ks->ps2mouse), PS2_DEVICE_IRQ, 716cb663a81SMark Cave-Ayland qdev_get_gpio_in_named(dev, "ps2-mouse-input-irq", 717cb663a81SMark Cave-Ayland 0)); 718f4de68d1SMark Cave-Ayland } 719f4de68d1SMark Cave-Ayland 72047fc7415SMark Cave-Ayland static void i8042_mmio_init(Object *obj) 72147fc7415SMark Cave-Ayland { 72247fc7415SMark Cave-Ayland MMIOKBDState *s = I8042_MMIO(obj); 72347fc7415SMark Cave-Ayland KBDState *ks = &s->kbd; 72447fc7415SMark Cave-Ayland 72547fc7415SMark Cave-Ayland ks->extended_state = true; 726cb663a81SMark Cave-Ayland 727652fbff4SMark Cave-Ayland object_initialize_child(obj, "ps2kbd", &ks->ps2kbd, TYPE_PS2_KBD_DEVICE); 7289d1a4250SMark Cave-Ayland object_initialize_child(obj, "ps2mouse", &ks->ps2mouse, 7299d1a4250SMark Cave-Ayland TYPE_PS2_MOUSE_DEVICE); 730652fbff4SMark Cave-Ayland 731cb663a81SMark Cave-Ayland qdev_init_gpio_out(DEVICE(obj), ks->irqs, 2); 732cb663a81SMark Cave-Ayland qdev_init_gpio_in_named(DEVICE(obj), i8042_mmio_set_kbd_irq, 733cb663a81SMark Cave-Ayland "ps2-kbd-input-irq", 1); 734cb663a81SMark Cave-Ayland qdev_init_gpio_in_named(DEVICE(obj), i8042_mmio_set_mouse_irq, 735cb663a81SMark Cave-Ayland "ps2-mouse-input-irq", 1); 73647fc7415SMark Cave-Ayland } 73747fc7415SMark Cave-Ayland 738d4f5b4d8SMark Cave-Ayland static Property i8042_mmio_properties[] = { 739d4f5b4d8SMark Cave-Ayland DEFINE_PROP_UINT64("mask", MMIOKBDState, kbd.mask, UINT64_MAX), 7407b9fff29SMark Cave-Ayland DEFINE_PROP_UINT32("size", MMIOKBDState, size, -1), 741d4f5b4d8SMark Cave-Ayland DEFINE_PROP_END_OF_LIST(), 742d4f5b4d8SMark Cave-Ayland }; 743d4f5b4d8SMark Cave-Ayland 744abcacb20SMark Cave-Ayland static const VMStateDescription vmstate_kbd_mmio = { 745abcacb20SMark Cave-Ayland .name = "pckbd-mmio", 746abcacb20SMark Cave-Ayland .version_id = 1, 747abcacb20SMark Cave-Ayland .minimum_version_id = 1, 748*af0f07dfSRichard Henderson .fields = (const VMStateField[]) { 749abcacb20SMark Cave-Ayland VMSTATE_STRUCT(kbd, MMIOKBDState, 0, vmstate_kbd, KBDState), 750abcacb20SMark Cave-Ayland VMSTATE_END_OF_LIST() 751abcacb20SMark Cave-Ayland } 752abcacb20SMark Cave-Ayland }; 753abcacb20SMark Cave-Ayland 754150ee013SMark Cave-Ayland static void i8042_mmio_class_init(ObjectClass *klass, void *data) 755150ee013SMark Cave-Ayland { 756150ee013SMark Cave-Ayland DeviceClass *dc = DEVICE_CLASS(klass); 757150ee013SMark Cave-Ayland 758f4de68d1SMark Cave-Ayland dc->realize = i8042_mmio_realize; 75957f6c3aaSMark Cave-Ayland dc->reset = i8042_mmio_reset; 760abcacb20SMark Cave-Ayland dc->vmsd = &vmstate_kbd_mmio; 761d4f5b4d8SMark Cave-Ayland device_class_set_props(dc, i8042_mmio_properties); 762150ee013SMark Cave-Ayland set_bit(DEVICE_CATEGORY_INPUT, dc->categories); 763150ee013SMark Cave-Ayland } 764150ee013SMark Cave-Ayland 765150ee013SMark Cave-Ayland static const TypeInfo i8042_mmio_info = { 766150ee013SMark Cave-Ayland .name = TYPE_I8042_MMIO, 767150ee013SMark Cave-Ayland .parent = TYPE_SYS_BUS_DEVICE, 76847fc7415SMark Cave-Ayland .instance_init = i8042_mmio_init, 769150ee013SMark Cave-Ayland .instance_size = sizeof(MMIOKBDState), 770150ee013SMark Cave-Ayland .class_init = i8042_mmio_class_init 771150ee013SMark Cave-Ayland }; 772150ee013SMark Cave-Ayland 7730fe4bb32SMarc-André Lureau void i8042_isa_mouse_fake_event(ISAKBDState *isa) 77449ab747fSPaolo Bonzini { 775a2e0b863SAndreas Färber KBDState *s = &isa->kbd; 77649ab747fSPaolo Bonzini 7779d1a4250SMark Cave-Ayland ps2_mouse_fake_event(&s->ps2mouse); 77849ab747fSPaolo Bonzini } 77949ab747fSPaolo Bonzini 780d80fe99dSMarc-André Lureau void i8042_setup_a20_line(ISADevice *dev, qemu_irq a20_out) 78149ab747fSPaolo Bonzini { 782d80fe99dSMarc-André Lureau qdev_connect_gpio_out_named(DEVICE(dev), I8042_A20_LINE, 0, a20_out); 78349ab747fSPaolo Bonzini } 78449ab747fSPaolo Bonzini 78549ab747fSPaolo Bonzini static const VMStateDescription vmstate_kbd_isa = { 78649ab747fSPaolo Bonzini .name = "pckbd", 78749ab747fSPaolo Bonzini .version_id = 3, 78849ab747fSPaolo Bonzini .minimum_version_id = 3, 789*af0f07dfSRichard Henderson .fields = (const VMStateField[]) { 79049ab747fSPaolo Bonzini VMSTATE_STRUCT(kbd, ISAKBDState, 0, vmstate_kbd, KBDState), 79149ab747fSPaolo Bonzini VMSTATE_END_OF_LIST() 79249ab747fSPaolo Bonzini } 79349ab747fSPaolo Bonzini }; 79449ab747fSPaolo Bonzini 79549ab747fSPaolo Bonzini static const MemoryRegionOps i8042_data_ops = { 79649ab747fSPaolo Bonzini .read = kbd_read_data, 79749ab747fSPaolo Bonzini .write = kbd_write_data, 79849ab747fSPaolo Bonzini .impl = { 79949ab747fSPaolo Bonzini .min_access_size = 1, 80049ab747fSPaolo Bonzini .max_access_size = 1, 80149ab747fSPaolo Bonzini }, 80249ab747fSPaolo Bonzini .endianness = DEVICE_LITTLE_ENDIAN, 80349ab747fSPaolo Bonzini }; 80449ab747fSPaolo Bonzini 80549ab747fSPaolo Bonzini static const MemoryRegionOps i8042_cmd_ops = { 80649ab747fSPaolo Bonzini .read = kbd_read_status, 80749ab747fSPaolo Bonzini .write = kbd_write_command, 80849ab747fSPaolo Bonzini .impl = { 80949ab747fSPaolo Bonzini .min_access_size = 1, 81049ab747fSPaolo Bonzini .max_access_size = 1, 81149ab747fSPaolo Bonzini }, 81249ab747fSPaolo Bonzini .endianness = DEVICE_LITTLE_ENDIAN, 81349ab747fSPaolo Bonzini }; 81449ab747fSPaolo Bonzini 8156eb252d5SMark Cave-Ayland static void i8042_set_kbd_irq(void *opaque, int n, int level) 8166eb252d5SMark Cave-Ayland { 8176eb252d5SMark Cave-Ayland ISAKBDState *s = I8042(opaque); 8186eb252d5SMark Cave-Ayland KBDState *ks = &s->kbd; 8196eb252d5SMark Cave-Ayland 8206eb252d5SMark Cave-Ayland kbd_update_kbd_irq(ks, level); 8216eb252d5SMark Cave-Ayland } 8226eb252d5SMark Cave-Ayland 8236eb252d5SMark Cave-Ayland static void i8042_set_mouse_irq(void *opaque, int n, int level) 8246eb252d5SMark Cave-Ayland { 8256eb252d5SMark Cave-Ayland ISAKBDState *s = I8042(opaque); 8266eb252d5SMark Cave-Ayland KBDState *ks = &s->kbd; 8276eb252d5SMark Cave-Ayland 8286eb252d5SMark Cave-Ayland kbd_update_aux_irq(ks, level); 8296eb252d5SMark Cave-Ayland } 8306eb252d5SMark Cave-Ayland 8316eb252d5SMark Cave-Ayland 83255870d6fSMark Cave-Ayland static void i8042_reset(DeviceState *dev) 83355870d6fSMark Cave-Ayland { 83455870d6fSMark Cave-Ayland ISAKBDState *s = I8042(dev); 83555870d6fSMark Cave-Ayland KBDState *ks = &s->kbd; 83655870d6fSMark Cave-Ayland 83755870d6fSMark Cave-Ayland kbd_reset(ks); 83855870d6fSMark Cave-Ayland } 83955870d6fSMark Cave-Ayland 840db895a1eSAndreas Färber static void i8042_initfn(Object *obj) 84149ab747fSPaolo Bonzini { 842db895a1eSAndreas Färber ISAKBDState *isa_s = I8042(obj); 843db895a1eSAndreas Färber KBDState *s = &isa_s->kbd; 844db895a1eSAndreas Färber 8451437c94bSPaolo Bonzini memory_region_init_io(isa_s->io + 0, obj, &i8042_data_ops, s, 8461437c94bSPaolo Bonzini "i8042-data", 1); 8471437c94bSPaolo Bonzini memory_region_init_io(isa_s->io + 1, obj, &i8042_cmd_ops, s, 8481437c94bSPaolo Bonzini "i8042-cmd", 1); 8493115b9e2SEfimov Vasily 850652fbff4SMark Cave-Ayland object_initialize_child(obj, "ps2kbd", &s->ps2kbd, TYPE_PS2_KBD_DEVICE); 8519d1a4250SMark Cave-Ayland object_initialize_child(obj, "ps2mouse", &s->ps2mouse, 8529d1a4250SMark Cave-Ayland TYPE_PS2_MOUSE_DEVICE); 853652fbff4SMark Cave-Ayland 8543115b9e2SEfimov Vasily qdev_init_gpio_out_named(DEVICE(obj), &s->a20_out, I8042_A20_LINE, 1); 8556eb252d5SMark Cave-Ayland 8566eb252d5SMark Cave-Ayland qdev_init_gpio_out(DEVICE(obj), s->irqs, 2); 8576eb252d5SMark Cave-Ayland qdev_init_gpio_in_named(DEVICE(obj), i8042_set_kbd_irq, 8586eb252d5SMark Cave-Ayland "ps2-kbd-input-irq", 1); 8596eb252d5SMark Cave-Ayland qdev_init_gpio_in_named(DEVICE(obj), i8042_set_mouse_irq, 8606eb252d5SMark Cave-Ayland "ps2-mouse-input-irq", 1); 861db895a1eSAndreas Färber } 862db895a1eSAndreas Färber 863db895a1eSAndreas Färber static void i8042_realizefn(DeviceState *dev, Error **errp) 864db895a1eSAndreas Färber { 865db895a1eSAndreas Färber ISADevice *isadev = ISA_DEVICE(dev); 866a2e0b863SAndreas Färber ISAKBDState *isa_s = I8042(dev); 86749ab747fSPaolo Bonzini KBDState *s = &isa_s->kbd; 86849ab747fSPaolo Bonzini 869b86ce7a6SBernhard Beschow if (isa_s->kbd_irq >= ISA_NUM_IRQS) { 870b86ce7a6SBernhard Beschow error_setg(errp, "Maximum value for \"kbd-irq\" is: %u", 871b86ce7a6SBernhard Beschow ISA_NUM_IRQS - 1); 872b86ce7a6SBernhard Beschow return; 873b86ce7a6SBernhard Beschow } 874b86ce7a6SBernhard Beschow 875b86ce7a6SBernhard Beschow if (isa_s->mouse_irq >= ISA_NUM_IRQS) { 876b86ce7a6SBernhard Beschow error_setg(errp, "Maximum value for \"mouse-irq\" is: %u", 877b86ce7a6SBernhard Beschow ISA_NUM_IRQS - 1); 878b86ce7a6SBernhard Beschow return; 879b86ce7a6SBernhard Beschow } 880b86ce7a6SBernhard Beschow 8816eb252d5SMark Cave-Ayland isa_connect_gpio_out(isadev, I8042_KBD_IRQ, isa_s->kbd_irq); 8826eb252d5SMark Cave-Ayland isa_connect_gpio_out(isadev, I8042_MOUSE_IRQ, isa_s->mouse_irq); 88349ab747fSPaolo Bonzini 884db895a1eSAndreas Färber isa_register_ioport(isadev, isa_s->io + 0, 0x60); 885db895a1eSAndreas Färber isa_register_ioport(isadev, isa_s->io + 1, 0x64); 88649ab747fSPaolo Bonzini 887652fbff4SMark Cave-Ayland if (!sysbus_realize(SYS_BUS_DEVICE(&s->ps2kbd), errp)) { 888652fbff4SMark Cave-Ayland return; 889652fbff4SMark Cave-Ayland } 890652fbff4SMark Cave-Ayland 891652fbff4SMark Cave-Ayland qdev_connect_gpio_out(DEVICE(&s->ps2kbd), PS2_DEVICE_IRQ, 8926eb252d5SMark Cave-Ayland qdev_get_gpio_in_named(dev, "ps2-kbd-input-irq", 8936eb252d5SMark Cave-Ayland 0)); 894652fbff4SMark Cave-Ayland 8959d1a4250SMark Cave-Ayland if (!sysbus_realize(SYS_BUS_DEVICE(&s->ps2mouse), errp)) { 8969d1a4250SMark Cave-Ayland return; 8979d1a4250SMark Cave-Ayland } 8989d1a4250SMark Cave-Ayland 8999d1a4250SMark Cave-Ayland qdev_connect_gpio_out(DEVICE(&s->ps2mouse), PS2_DEVICE_IRQ, 9006eb252d5SMark Cave-Ayland qdev_get_gpio_in_named(dev, "ps2-mouse-input-irq", 9016eb252d5SMark Cave-Ayland 0)); 9029d1a4250SMark Cave-Ayland 903d1e45668SVolker Rümelin if (isa_s->kbd_throttle && !isa_s->kbd.extended_state) { 904d1e45668SVolker Rümelin warn_report(TYPE_I8042 ": can't enable kbd-throttle without" 905d1e45668SVolker Rümelin " extended-state, disabling kbd-throttle"); 906d1e45668SVolker Rümelin } else if (isa_s->kbd_throttle) { 907d1e45668SVolker Rümelin s->throttle_timer = timer_new_us(QEMU_CLOCK_VIRTUAL, 908d1e45668SVolker Rümelin kbd_throttle_timeout, s); 909d1e45668SVolker Rümelin } 91049ab747fSPaolo Bonzini } 91149ab747fSPaolo Bonzini 91268f01317SIgor Mammedov static void i8042_build_aml(AcpiDevAmlIf *adev, Aml *scope) 913df0f3d13SGerd Hoffmann { 91468f01317SIgor Mammedov ISAKBDState *isa_s = I8042(adev); 915df0f3d13SGerd Hoffmann Aml *kbd; 916df0f3d13SGerd Hoffmann Aml *mou; 917df0f3d13SGerd Hoffmann Aml *crs; 918df0f3d13SGerd Hoffmann 919df0f3d13SGerd Hoffmann crs = aml_resource_template(); 920df0f3d13SGerd Hoffmann aml_append(crs, aml_io(AML_DECODE16, 0x0060, 0x0060, 0x01, 0x01)); 921df0f3d13SGerd Hoffmann aml_append(crs, aml_io(AML_DECODE16, 0x0064, 0x0064, 0x01, 0x01)); 922b86ce7a6SBernhard Beschow aml_append(crs, aml_irq_no_flags(isa_s->kbd_irq)); 923df0f3d13SGerd Hoffmann 924df0f3d13SGerd Hoffmann kbd = aml_device("KBD"); 925df0f3d13SGerd Hoffmann aml_append(kbd, aml_name_decl("_HID", aml_eisaid("PNP0303"))); 926df0f3d13SGerd Hoffmann aml_append(kbd, aml_name_decl("_STA", aml_int(0xf))); 927df0f3d13SGerd Hoffmann aml_append(kbd, aml_name_decl("_CRS", crs)); 928df0f3d13SGerd Hoffmann 929df0f3d13SGerd Hoffmann crs = aml_resource_template(); 930b86ce7a6SBernhard Beschow aml_append(crs, aml_irq_no_flags(isa_s->mouse_irq)); 931df0f3d13SGerd Hoffmann 932df0f3d13SGerd Hoffmann mou = aml_device("MOU"); 933df0f3d13SGerd Hoffmann aml_append(mou, aml_name_decl("_HID", aml_eisaid("PNP0F13"))); 934df0f3d13SGerd Hoffmann aml_append(mou, aml_name_decl("_STA", aml_int(0xf))); 935df0f3d13SGerd Hoffmann aml_append(mou, aml_name_decl("_CRS", crs)); 936df0f3d13SGerd Hoffmann 937df0f3d13SGerd Hoffmann aml_append(scope, kbd); 938df0f3d13SGerd Hoffmann aml_append(scope, mou); 939df0f3d13SGerd Hoffmann } 940df0f3d13SGerd Hoffmann 941ff6e1624SVolker Rümelin static Property i8042_properties[] = { 942ff6e1624SVolker Rümelin DEFINE_PROP_BOOL("extended-state", ISAKBDState, kbd.extended_state, true), 943d1e45668SVolker Rümelin DEFINE_PROP_BOOL("kbd-throttle", ISAKBDState, kbd_throttle, false), 944b86ce7a6SBernhard Beschow DEFINE_PROP_UINT8("kbd-irq", ISAKBDState, kbd_irq, 1), 945b86ce7a6SBernhard Beschow DEFINE_PROP_UINT8("mouse-irq", ISAKBDState, mouse_irq, 12), 946ff6e1624SVolker Rümelin DEFINE_PROP_END_OF_LIST(), 947ff6e1624SVolker Rümelin }; 948ff6e1624SVolker Rümelin 94949ab747fSPaolo Bonzini static void i8042_class_initfn(ObjectClass *klass, void *data) 95049ab747fSPaolo Bonzini { 95149ab747fSPaolo Bonzini DeviceClass *dc = DEVICE_CLASS(klass); 95268f01317SIgor Mammedov AcpiDevAmlIfClass *adevc = ACPI_DEV_AML_IF_CLASS(klass); 953db895a1eSAndreas Färber 954ff6e1624SVolker Rümelin device_class_set_props(dc, i8042_properties); 95555870d6fSMark Cave-Ayland dc->reset = i8042_reset; 956db895a1eSAndreas Färber dc->realize = i8042_realizefn; 95749ab747fSPaolo Bonzini dc->vmsd = &vmstate_kbd_isa; 95868f01317SIgor Mammedov adevc->build_dev_aml = i8042_build_aml; 959cbe9ed73Skumar sourav set_bit(DEVICE_CATEGORY_INPUT, dc->categories); 96049ab747fSPaolo Bonzini } 96149ab747fSPaolo Bonzini 96249ab747fSPaolo Bonzini static const TypeInfo i8042_info = { 963a2e0b863SAndreas Färber .name = TYPE_I8042, 96449ab747fSPaolo Bonzini .parent = TYPE_ISA_DEVICE, 96549ab747fSPaolo Bonzini .instance_size = sizeof(ISAKBDState), 966db895a1eSAndreas Färber .instance_init = i8042_initfn, 96749ab747fSPaolo Bonzini .class_init = i8042_class_initfn, 96868f01317SIgor Mammedov .interfaces = (InterfaceInfo[]) { 96968f01317SIgor Mammedov { TYPE_ACPI_DEV_AML_IF }, 97068f01317SIgor Mammedov { }, 97168f01317SIgor Mammedov }, 97249ab747fSPaolo Bonzini }; 97349ab747fSPaolo Bonzini 97449ab747fSPaolo Bonzini static void i8042_register_types(void) 97549ab747fSPaolo Bonzini { 97649ab747fSPaolo Bonzini type_register_static(&i8042_info); 977150ee013SMark Cave-Ayland type_register_static(&i8042_mmio_info); 97849ab747fSPaolo Bonzini } 97949ab747fSPaolo Bonzini 98049ab747fSPaolo Bonzini type_init(i8042_register_types) 981