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-rw-r--r--hw/pckbd.c527
1 files changed, 0 insertions, 527 deletions
diff --git a/hw/pckbd.c b/hw/pckbd.c
deleted file mode 100644
index cc63df0570..0000000000
--- a/hw/pckbd.c
+++ /dev/null
@@ -1,527 +0,0 @@
-/*
- * QEMU PC keyboard emulation
- *
- * Copyright (c) 2003 Fabrice Bellard
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
- * THE SOFTWARE.
- */
-#include "hw/hw.h"
-#include "hw/isa.h"
-#include "hw/pc.h"
-#include "hw/ps2.h"
-#include "sysemu/sysemu.h"
-
-/* debug PC keyboard */
-//#define DEBUG_KBD
-#ifdef DEBUG_KBD
-#define DPRINTF(fmt, ...) \
- do { printf("KBD: " fmt , ## __VA_ARGS__); } while (0)
-#else
-#define DPRINTF(fmt, ...)
-#endif
-
-/* Keyboard Controller Commands */
-#define KBD_CCMD_READ_MODE 0x20 /* Read mode bits */
-#define KBD_CCMD_WRITE_MODE 0x60 /* Write mode bits */
-#define KBD_CCMD_GET_VERSION 0xA1 /* Get controller version */
-#define KBD_CCMD_MOUSE_DISABLE 0xA7 /* Disable mouse interface */
-#define KBD_CCMD_MOUSE_ENABLE 0xA8 /* Enable mouse interface */
-#define KBD_CCMD_TEST_MOUSE 0xA9 /* Mouse interface test */
-#define KBD_CCMD_SELF_TEST 0xAA /* Controller self test */
-#define KBD_CCMD_KBD_TEST 0xAB /* Keyboard interface test */
-#define KBD_CCMD_KBD_DISABLE 0xAD /* Keyboard interface disable */
-#define KBD_CCMD_KBD_ENABLE 0xAE /* Keyboard interface enable */
-#define KBD_CCMD_READ_INPORT 0xC0 /* read input port */
-#define KBD_CCMD_READ_OUTPORT 0xD0 /* read output port */
-#define KBD_CCMD_WRITE_OUTPORT 0xD1 /* write output port */
-#define KBD_CCMD_WRITE_OBUF 0xD2
-#define KBD_CCMD_WRITE_AUX_OBUF 0xD3 /* Write to output buffer as if
- initiated by the auxiliary device */
-#define KBD_CCMD_WRITE_MOUSE 0xD4 /* Write the following byte to the mouse */
-#define KBD_CCMD_DISABLE_A20 0xDD /* HP vectra only ? */
-#define KBD_CCMD_ENABLE_A20 0xDF /* HP vectra only ? */
-#define KBD_CCMD_PULSE_BITS_3_0 0xF0 /* Pulse bits 3-0 of the output port P2. */
-#define KBD_CCMD_RESET 0xFE /* Pulse bit 0 of the output port P2 = CPU reset. */
-#define KBD_CCMD_NO_OP 0xFF /* Pulse no bits of the output port P2. */
-
-/* Keyboard Commands */
-#define KBD_CMD_SET_LEDS 0xED /* Set keyboard leds */
-#define KBD_CMD_ECHO 0xEE
-#define KBD_CMD_GET_ID 0xF2 /* get keyboard ID */
-#define KBD_CMD_SET_RATE 0xF3 /* Set typematic rate */
-#define KBD_CMD_ENABLE 0xF4 /* Enable scanning */
-#define KBD_CMD_RESET_DISABLE 0xF5 /* reset and disable scanning */
-#define KBD_CMD_RESET_ENABLE 0xF6 /* reset and enable scanning */
-#define KBD_CMD_RESET 0xFF /* Reset */
-
-/* Keyboard Replies */
-#define KBD_REPLY_POR 0xAA /* Power on reset */
-#define KBD_REPLY_ACK 0xFA /* Command ACK */
-#define KBD_REPLY_RESEND 0xFE /* Command NACK, send the cmd again */
-
-/* Status Register Bits */
-#define KBD_STAT_OBF 0x01 /* Keyboard output buffer full */
-#define KBD_STAT_IBF 0x02 /* Keyboard input buffer full */
-#define KBD_STAT_SELFTEST 0x04 /* Self test successful */
-#define KBD_STAT_CMD 0x08 /* Last write was a command write (0=data) */
-#define KBD_STAT_UNLOCKED 0x10 /* Zero if keyboard locked */
-#define KBD_STAT_MOUSE_OBF 0x20 /* Mouse output buffer full */
-#define KBD_STAT_GTO 0x40 /* General receive/xmit timeout */
-#define KBD_STAT_PERR 0x80 /* Parity error */
-
-/* Controller Mode Register Bits */
-#define KBD_MODE_KBD_INT 0x01 /* Keyboard data generate IRQ1 */
-#define KBD_MODE_MOUSE_INT 0x02 /* Mouse data generate IRQ12 */
-#define KBD_MODE_SYS 0x04 /* The system flag (?) */
-#define KBD_MODE_NO_KEYLOCK 0x08 /* The keylock doesn't affect the keyboard if set */
-#define KBD_MODE_DISABLE_KBD 0x10 /* Disable keyboard interface */
-#define KBD_MODE_DISABLE_MOUSE 0x20 /* Disable mouse interface */
-#define KBD_MODE_KCC 0x40 /* Scan code conversion to PC format */
-#define KBD_MODE_RFU 0x80
-
-/* Output Port Bits */
-#define KBD_OUT_RESET 0x01 /* 1=normal mode, 0=reset */
-#define KBD_OUT_A20 0x02 /* x86 only */
-#define KBD_OUT_OBF 0x10 /* Keyboard output buffer full */
-#define KBD_OUT_MOUSE_OBF 0x20 /* Mouse output buffer full */
-
-/* Mouse Commands */
-#define AUX_SET_SCALE11 0xE6 /* Set 1:1 scaling */
-#define AUX_SET_SCALE21 0xE7 /* Set 2:1 scaling */
-#define AUX_SET_RES 0xE8 /* Set resolution */
-#define AUX_GET_SCALE 0xE9 /* Get scaling factor */
-#define AUX_SET_STREAM 0xEA /* Set stream mode */
-#define AUX_POLL 0xEB /* Poll */
-#define AUX_RESET_WRAP 0xEC /* Reset wrap mode */
-#define AUX_SET_WRAP 0xEE /* Set wrap mode */
-#define AUX_SET_REMOTE 0xF0 /* Set remote mode */
-#define AUX_GET_TYPE 0xF2 /* Get type */
-#define AUX_SET_SAMPLE 0xF3 /* Set sample rate */
-#define AUX_ENABLE_DEV 0xF4 /* Enable aux device */
-#define AUX_DISABLE_DEV 0xF5 /* Disable aux device */
-#define AUX_SET_DEFAULT 0xF6
-#define AUX_RESET 0xFF /* Reset aux device */
-#define AUX_ACK 0xFA /* Command byte ACK. */
-
-#define MOUSE_STATUS_REMOTE 0x40
-#define MOUSE_STATUS_ENABLED 0x20
-#define MOUSE_STATUS_SCALE21 0x10
-
-#define KBD_PENDING_KBD 1
-#define KBD_PENDING_AUX 2
-
-typedef struct KBDState {
- uint8_t write_cmd; /* if non zero, write data to port 60 is expected */
- uint8_t status;
- uint8_t mode;
- uint8_t outport;
- /* Bitmask of devices with data available. */
- uint8_t pending;
- void *kbd;
- void *mouse;
-
- qemu_irq irq_kbd;
- qemu_irq irq_mouse;
- qemu_irq *a20_out;
- hwaddr mask;
-} KBDState;
-
-/* update irq and KBD_STAT_[MOUSE_]OBF */
-/* XXX: not generating the irqs if KBD_MODE_DISABLE_KBD is set may be
- incorrect, but it avoids having to simulate exact delays */
-static void kbd_update_irq(KBDState *s)
-{
- int irq_kbd_level, irq_mouse_level;
-
- irq_kbd_level = 0;
- irq_mouse_level = 0;
- s->status &= ~(KBD_STAT_OBF | KBD_STAT_MOUSE_OBF);
- s->outport &= ~(KBD_OUT_OBF | KBD_OUT_MOUSE_OBF);
- if (s->pending) {
- s->status |= KBD_STAT_OBF;
- s->outport |= KBD_OUT_OBF;
- /* kbd data takes priority over aux data. */
- if (s->pending == KBD_PENDING_AUX) {
- s->status |= KBD_STAT_MOUSE_OBF;
- s->outport |= KBD_OUT_MOUSE_OBF;
- if (s->mode & KBD_MODE_MOUSE_INT)
- irq_mouse_level = 1;
- } else {
- if ((s->mode & KBD_MODE_KBD_INT) &&
- !(s->mode & KBD_MODE_DISABLE_KBD))
- irq_kbd_level = 1;
- }
- }
- qemu_set_irq(s->irq_kbd, irq_kbd_level);
- qemu_set_irq(s->irq_mouse, irq_mouse_level);
-}
-
-static void kbd_update_kbd_irq(void *opaque, int level)
-{
- KBDState *s = (KBDState *)opaque;
-
- if (level)
- s->pending |= KBD_PENDING_KBD;
- else
- s->pending &= ~KBD_PENDING_KBD;
- kbd_update_irq(s);
-}
-
-static void kbd_update_aux_irq(void *opaque, int level)
-{
- KBDState *s = (KBDState *)opaque;
-
- if (level)
- s->pending |= KBD_PENDING_AUX;
- else
- s->pending &= ~KBD_PENDING_AUX;
- kbd_update_irq(s);
-}
-
-static uint64_t kbd_read_status(void *opaque, hwaddr addr,
- unsigned size)
-{
- KBDState *s = opaque;
- int val;
- val = s->status;
- DPRINTF("kbd: read status=0x%02x\n", val);
- return val;
-}
-
-static void kbd_queue(KBDState *s, int b, int aux)
-{
- if (aux)
- ps2_queue(s->mouse, b);
- else
- ps2_queue(s->kbd, b);
-}
-
-static void outport_write(KBDState *s, uint32_t val)
-{
- DPRINTF("kbd: write outport=0x%02x\n", val);
- s->outport = val;
- if (s->a20_out) {
- qemu_set_irq(*s->a20_out, (val >> 1) & 1);
- }
- if (!(val & 1)) {
- qemu_system_reset_request();
- }
-}
-
-static void kbd_write_command(void *opaque, hwaddr addr,
- uint64_t val, unsigned size)
-{
- KBDState *s = opaque;
-
- DPRINTF("kbd: write cmd=0x%02x\n", val);
-
- /* Bits 3-0 of the output port P2 of the keyboard controller may be pulsed
- * low for approximately 6 micro seconds. Bits 3-0 of the KBD_CCMD_PULSE
- * command specify the output port bits to be pulsed.
- * 0: Bit should be pulsed. 1: Bit should not be modified.
- * The only useful version of this command is pulsing bit 0,
- * which does a CPU reset.
- */
- if((val & KBD_CCMD_PULSE_BITS_3_0) == KBD_CCMD_PULSE_BITS_3_0) {
- if(!(val & 1))
- val = KBD_CCMD_RESET;
- else
- val = KBD_CCMD_NO_OP;
- }
-
- switch(val) {
- case KBD_CCMD_READ_MODE:
- kbd_queue(s, s->mode, 0);
- break;
- case KBD_CCMD_WRITE_MODE:
- case KBD_CCMD_WRITE_OBUF:
- case KBD_CCMD_WRITE_AUX_OBUF:
- case KBD_CCMD_WRITE_MOUSE:
- case KBD_CCMD_WRITE_OUTPORT:
- s->write_cmd = val;
- break;
- case KBD_CCMD_MOUSE_DISABLE:
- s->mode |= KBD_MODE_DISABLE_MOUSE;
- break;
- case KBD_CCMD_MOUSE_ENABLE:
- s->mode &= ~KBD_MODE_DISABLE_MOUSE;
- break;
- case KBD_CCMD_TEST_MOUSE:
- kbd_queue(s, 0x00, 0);
- break;
- case KBD_CCMD_SELF_TEST:
- s->status |= KBD_STAT_SELFTEST;
- kbd_queue(s, 0x55, 0);
- break;
- case KBD_CCMD_KBD_TEST:
- kbd_queue(s, 0x00, 0);
- break;
- case KBD_CCMD_KBD_DISABLE:
- s->mode |= KBD_MODE_DISABLE_KBD;
- kbd_update_irq(s);
- break;
- case KBD_CCMD_KBD_ENABLE:
- s->mode &= ~KBD_MODE_DISABLE_KBD;
- kbd_update_irq(s);
- break;
- case KBD_CCMD_READ_INPORT:
- kbd_queue(s, 0x00, 0);
- break;
- case KBD_CCMD_READ_OUTPORT:
- kbd_queue(s, s->outport, 0);
- break;
- case KBD_CCMD_ENABLE_A20:
- if (s->a20_out) {
- qemu_irq_raise(*s->a20_out);
- }
- s->outport |= KBD_OUT_A20;
- break;
- case KBD_CCMD_DISABLE_A20:
- if (s->a20_out) {
- qemu_irq_lower(*s->a20_out);
- }
- s->outport &= ~KBD_OUT_A20;
- break;
- case KBD_CCMD_RESET:
- qemu_system_reset_request();
- break;
- case KBD_CCMD_NO_OP:
- /* ignore that */
- break;
- default:
- fprintf(stderr, "qemu: unsupported keyboard cmd=0x%02x\n", (int)val);
- break;
- }
-}
-
-static uint64_t kbd_read_data(void *opaque, hwaddr addr,
- unsigned size)
-{
- KBDState *s = opaque;
- uint32_t val;
-
- if (s->pending == KBD_PENDING_AUX)
- val = ps2_read_data(s->mouse);
- else
- val = ps2_read_data(s->kbd);
-
- DPRINTF("kbd: read data=0x%02x\n", val);
- return val;
-}
-
-static void kbd_write_data(void *opaque, hwaddr addr,
- uint64_t val, unsigned size)
-{
- KBDState *s = opaque;
-
- DPRINTF("kbd: write data=0x%02x\n", val);
-
- switch(s->write_cmd) {
- case 0:
- ps2_write_keyboard(s->kbd, val);
- break;
- case KBD_CCMD_WRITE_MODE:
- s->mode = val;
- ps2_keyboard_set_translation(s->kbd, (s->mode & KBD_MODE_KCC) != 0);
- /* ??? */
- kbd_update_irq(s);
- break;
- case KBD_CCMD_WRITE_OBUF:
- kbd_queue(s, val, 0);
- break;
- case KBD_CCMD_WRITE_AUX_OBUF:
- kbd_queue(s, val, 1);
- break;
- case KBD_CCMD_WRITE_OUTPORT:
- outport_write(s, val);
- break;
- case KBD_CCMD_WRITE_MOUSE:
- ps2_write_mouse(s->mouse, val);
- break;
- default:
- break;
- }
- s->write_cmd = 0;
-}
-
-static void kbd_reset(void *opaque)
-{
- KBDState *s = opaque;
-
- s->mode = KBD_MODE_KBD_INT | KBD_MODE_MOUSE_INT;
- s->status = KBD_STAT_CMD | KBD_STAT_UNLOCKED;
- s->outport = KBD_OUT_RESET | KBD_OUT_A20;
-}
-
-static const VMStateDescription vmstate_kbd = {
- .name = "pckbd",
- .version_id = 3,
- .minimum_version_id = 3,
- .minimum_version_id_old = 3,
- .fields = (VMStateField []) {
- VMSTATE_UINT8(write_cmd, KBDState),
- VMSTATE_UINT8(status, KBDState),
- VMSTATE_UINT8(mode, KBDState),
- VMSTATE_UINT8(pending, KBDState),
- VMSTATE_END_OF_LIST()
- }
-};
-
-/* Memory mapped interface */
-static uint32_t kbd_mm_readb (void *opaque, hwaddr addr)
-{
- KBDState *s = opaque;
-
- if (addr & s->mask)
- return kbd_read_status(s, 0, 1) & 0xff;
- else
- return kbd_read_data(s, 0, 1) & 0xff;
-}
-
-static void kbd_mm_writeb (void *opaque, hwaddr addr, uint32_t value)
-{
- KBDState *s = opaque;
-
- if (addr & s->mask)
- kbd_write_command(s, 0, value & 0xff, 1);
- else
- kbd_write_data(s, 0, value & 0xff, 1);
-}
-
-static const MemoryRegionOps i8042_mmio_ops = {
- .endianness = DEVICE_NATIVE_ENDIAN,
- .old_mmio = {
- .read = { kbd_mm_readb, kbd_mm_readb, kbd_mm_readb },
- .write = { kbd_mm_writeb, kbd_mm_writeb, kbd_mm_writeb },
- },
-};
-
-void i8042_mm_init(qemu_irq kbd_irq, qemu_irq mouse_irq,
- MemoryRegion *region, ram_addr_t size,
- hwaddr mask)
-{
- KBDState *s = g_malloc0(sizeof(KBDState));
-
- s->irq_kbd = kbd_irq;
- s->irq_mouse = mouse_irq;
- s->mask = mask;
-
- vmstate_register(NULL, 0, &vmstate_kbd, s);
-
- memory_region_init_io(region, &i8042_mmio_ops, s, "i8042", size);
-
- s->kbd = ps2_kbd_init(kbd_update_kbd_irq, s);
- s->mouse = ps2_mouse_init(kbd_update_aux_irq, s);
- qemu_register_reset(kbd_reset, s);
-}
-
-typedef struct ISAKBDState {
- ISADevice dev;
- KBDState kbd;
- MemoryRegion io[2];
-} ISAKBDState;
-
-void i8042_isa_mouse_fake_event(void *opaque)
-{
- ISADevice *dev = opaque;
- KBDState *s = &(DO_UPCAST(ISAKBDState, dev, dev)->kbd);
-
- ps2_mouse_fake_event(s->mouse);
-}
-
-void i8042_setup_a20_line(ISADevice *dev, qemu_irq *a20_out)
-{
- KBDState *s = &(DO_UPCAST(ISAKBDState, dev, dev)->kbd);
-
- s->a20_out = a20_out;
-}
-
-static const VMStateDescription vmstate_kbd_isa = {
- .name = "pckbd",
- .version_id = 3,
- .minimum_version_id = 3,
- .minimum_version_id_old = 3,
- .fields = (VMStateField []) {
- VMSTATE_STRUCT(kbd, ISAKBDState, 0, vmstate_kbd, KBDState),
- VMSTATE_END_OF_LIST()
- }
-};
-
-static const MemoryRegionOps i8042_data_ops = {
- .read = kbd_read_data,
- .write = kbd_write_data,
- .impl = {
- .min_access_size = 1,
- .max_access_size = 1,
- },
- .endianness = DEVICE_LITTLE_ENDIAN,
-};
-
-static const MemoryRegionOps i8042_cmd_ops = {
- .read = kbd_read_status,
- .write = kbd_write_command,
- .impl = {
- .min_access_size = 1,
- .max_access_size = 1,
- },
- .endianness = DEVICE_LITTLE_ENDIAN,
-};
-
-static int i8042_initfn(ISADevice *dev)
-{
- ISAKBDState *isa_s = DO_UPCAST(ISAKBDState, dev, dev);
- KBDState *s = &isa_s->kbd;
-
- isa_init_irq(dev, &s->irq_kbd, 1);
- isa_init_irq(dev, &s->irq_mouse, 12);
-
- memory_region_init_io(isa_s->io + 0, &i8042_data_ops, s, "i8042-data", 1);
- isa_register_ioport(dev, isa_s->io + 0, 0x60);
-
- memory_region_init_io(isa_s->io + 1, &i8042_cmd_ops, s, "i8042-cmd", 1);
- isa_register_ioport(dev, isa_s->io + 1, 0x64);
-
- s->kbd = ps2_kbd_init(kbd_update_kbd_irq, s);
- s->mouse = ps2_mouse_init(kbd_update_aux_irq, s);
- qemu_register_reset(kbd_reset, s);
- return 0;
-}
-
-static void i8042_class_initfn(ObjectClass *klass, void *data)
-{
- DeviceClass *dc = DEVICE_CLASS(klass);
- ISADeviceClass *ic = ISA_DEVICE_CLASS(klass);
- ic->init = i8042_initfn;
- dc->no_user = 1;
- dc->vmsd = &vmstate_kbd_isa;
-}
-
-static const TypeInfo i8042_info = {
- .name = "i8042",
- .parent = TYPE_ISA_DEVICE,
- .instance_size = sizeof(ISAKBDState),
- .class_init = i8042_class_initfn,
-};
-
-static void i8042_register_types(void)
-{
- type_register_static(&i8042_info);
-}
-
-type_init(i8042_register_types)
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