added PS/2 mouse code

[bootcensus] / src / kbregs.h

diff --git a/src/kbregs.h b/src/kbregs.h
new file mode 100644 (file)
index 0000000..abf6524
--- /dev/null
+++ b/src/kbregs.h
@@ -0,0 +1,74 @@
+/*
+pcboot - bootable PC demo/game kernel
+Copyright (C) 2018  John Tsiombikas <nuclear@member.fsf.org>
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY, without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program.  If not, see <https://www.gnu.org/licenses/>.
+*/
+#ifndef KBREGS_H_
+#define KBREGS_H_
+
+#define KB_IRQ         1
+#define PSAUX_IRQ      12
+
+#define KB_DATA_PORT   0x60
+#define KB_CMD_PORT            0x64
+#define KB_STATUS_PORT 0x64
+
+#define KB_ACK                 0xfa
+#define KB_NACK                        0xfe
+
+#define KB_STAT_OUTBUF_FULL    0x01
+#define KB_STAT_INBUF_FULL     0x02
+#define KB_STAT_SYSFLAG                0x04
+#define KB_STAT_CMD                    0x08
+#define KB_STAT_ACTIVE         0x10
+#define KB_STAT_AUX                    0x20
+#define KB_STAT_TIMEOUT                0x40
+#define KB_STAT_PAR_ERROR      0x80
+
+/* keyboard commands */
+#define KB_CMD_GET_CMDBYTE             0x20
+#define KB_CMD_SET_CMDBYTE             0x60
+#define KB_CMD_AUX_ENABLE              0xa8
+#define KB_CMD_READ_OUTPORT            0xd0
+#define KB_CMD_WRITE_OUTPORT   0xd1
+#define KB_CMD_PSAUX                   0xd4
+#define KB_CMD_PULSE_RESET             0xfe
+
+/* controller command byte bits */
+#define KB_CCB_KB_INTREN               0x01
+#define KB_CCB_AUX_INTREN              0x02
+#define KB_CCB_SYSFLAG                 0x04
+#define KB_CCB_KB_DISABLE              0x10
+#define KB_CCB_AUX_DISABLE             0x20
+#define KB_CCB_KB_XLAT                 0x40
+
+/* psaux commands (use with d4 prefix) */
+#define AUX_CMD_ENABLE                 0xf4
+#define AUX_CMD_DEFAULTS               0xf6
+
+#define AUX_PKT0_LEFTBN                        0x01
+#define AUX_PKT0_RIGHTBN               0x02
+#define AUX_PKT0_MIDDLEBN              0x04
+#define AUX_PKT0_ALWAYS1               0x08
+#define AUX_PKT0_XSIGN                 0x10
+#define AUX_PKT0_YSIGN                 0x20
+#define AUX_PKT0_XOVF                  0x40
+#define AUX_PKT0_YOVF                  0x80
+
+#define AUX_PKT0_OVF_BITS              (AUX_PKT0_XOVF | AUX_PKT0_YOVF)
+#define AUX_PKT0_BUTTON_BITS \
+       (AUX_PKT0_LEFTBN | AUX_PKT0_RIGHTBN | AUX_PKT0_MIDDLEBN)
+
+#endif /* KBREGS_H_ */