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kvm tools: Use constants for i8042 register numbers

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Cc: Ingo Molnar <mingo@elte.hu>
Cc: Sasha Levin <levinsasha928@gmail.com>
Signed-off-by: Pekka Enberg <penberg@kernel.org>
This commit is contained in:
Pekka Enberg
2015-06-01 16:39:44 +01:00
committed by Will Deacon
parent ca379b8386
commit 67307cddc8
1 changed files with 13 additions and 4 deletions
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hw/i8042.c
+13 -4
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@@ -10,9 +10,18 @@
#include <rfb/rfb.h>
#include <stdint.h>
/*
* IRQs
*/
#define KBD_IRQ 1
#define AUX_IRQ 12
/*
* Registers
*/
#define I8042_DATA_REG 0x60
#define I8042_COMMAND_REG 0x64
#define CMD_READ_MODE 0x20
#define CMD_WRITE_MODE 0x60
#define CMD_WRITE_AUX_BUF 0xD3
@@ -438,7 +447,7 @@ static bool kbd_in(struct ioport *ioport, struct kvm *kvm, u16 port, void *data,
{
u32 result;
if (port == 0x64) {
if (port == I8042_COMMAND_REG) {
result = kbd_read_status();
ioport__write8(data, (char)result);
} else {
@@ -453,7 +462,7 @@ static bool kbd_in(struct ioport *ioport, struct kvm *kvm, u16 port, void *data,
*/
static bool kbd_out(struct ioport *ioport, struct kvm *kvm, u16 port, void *data, int size, u32 count)
{
if (port == 0x64)
if (port == I8042_COMMAND_REG)
kbd_write_command(*((u32 *)data));
else
kbd_write_data(*((u32 *)data));
@@ -470,6 +479,6 @@ void kbd__init(struct kvm *kvm)
{
kbd_reset();
state.kvm = kvm;
ioport__register(0x60, &kbd_ops, 2, NULL);
ioport__register(0x64, &kbd_ops, 2, NULL);
ioport__register(I8042_DATA_REG, &kbd_ops, 2, NULL);
ioport__register(I8042_COMMAND_REG, &kbd_ops, 2, NULL);
}