/*      $OpenBSD: i82489reg.h,v 1.5 2019/07/26 04:35:38 kevlo Exp $     */
/*      $NetBSD: i82489reg.h,v 1.1.2.1 2000/02/20 16:30:27 sommerfeld Exp $     */

/*-
 * Copyright (c) 1998 The NetBSD Foundation, Inc.
 * All rights reserved.
 *
 * This code is derived from software contributed to The NetBSD Foundation
 * by Frank van der Linden.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */


/*
 * Registers and constants for the 82489DX and Pentium (and up) integrated
 * "local" APIC.
 */

#define LAPIC_ID                0x020           /* ID. RW */
#       define LAPIC_ID_MASK            0x0f000000
#       define LAPIC_ID_SHIFT           24

#define LAPIC_VERS              0x030           /* Version. R */
#       define LAPIC_VERSION_MASK       0x000000ff
#       define LAPIC_VERSION_LVT_MASK   0x00ff0000
#       define LAPIC_VERSION_LVT_SHIFT  16

#define LAPIC_TPRI              0x080           /* Task Prio. RW */
#       define LAPIC_TPRI_MASK          0x000000ff
#       define LAPIC_TPRI_INT_MASK      0x000000f0
#       define LAPIC_TPRI_SUB_MASK      0x0000000f

#define LAPIC_APRI              0x090           /* Arbitration prio R */
#       define LAPIC_APRI_MASK          0x000000ff

#define LAPIC_PPRI              0x0a0           /* Processor prio. R */
#define LAPIC_EOI               0x0b0           /* End Int. W */
#define LAPIC_RRR               0x0c0           /* Remote read R */
#define LAPIC_LDR               0x0d0           /* Logical dest. RW */
#define LAPIC_DFR               0x0e0           /* Dest. format RW */

#define LAPIC_SVR               0x0f0           /* Spurious intvec RW */
#       define LAPIC_SVR_VECTOR_MASK    0x000000ff
#       define LAPIC_SVR_VEC_FIX        0x0000000f
#       define LAPIC_SVR_VEC_PROG       0x000000f0
#       define LAPIC_SVR_ENABLE         0x00000100
#       define LAPIC_SVR_SWEN           0x00000100
#       define LAPIC_SVR_FOCUS          0x00000200
#       define LAPIC_SVR_FDIS           0x00000200

#define LAPIC_ISR       0x100                   /* Int. status. R */
#define LAPIC_TMR       0x180
#define LAPIC_IRR       0x200
#define LAPIC_ESR       0x280                   /* Err status. R */

#define LAPIC_ICRLO     0x300                   /* Int. cmd. RW */
#       define LAPIC_DLMODE_MASK        0x00000700
#       define LAPIC_DLMODE_FIXED       0x00000000
#       define LAPIC_DLMODE_LOW         0x00000100
#       define LAPIC_DLMODE_SMI         0x00000200
#       define LAPIC_DLMODE_RR          0x00000300
#       define LAPIC_DLMODE_NMI         0x00000400
#       define LAPIC_DLMODE_INIT        0x00000500
#       define LAPIC_DLMODE_STARTUP     0x00000600

#       define LAPIC_DSTMODE_LOG        0x00000800

#       define LAPIC_DLSTAT_BUSY        0x00001000

#       define LAPIC_LVL_ASSERT         0x00004000
#       define LAPIC_LVL_DEASSERT       0x00000000

#       define LAPIC_LVL_TRIG           0x00008000

#       define LAPIC_RRSTAT_MASK        0x00030000
#       define LAPIC_RRSTAT_INPROG      0x00010000
#       define LAPIC_RRSTAT_VALID       0x00020000

#       define LAPIC_DEST_MASK          0x000c0000
#       define LAPIC_DEST_SELF          0x00040000
#       define LAPIC_DEST_ALLINCL       0x00080000
#       define LAPIC_DEST_ALLEXCL       0x000c0000

#       define LAPIC_RESV2_MASK         0xfff00000


#define LAPIC_ICRHI     0x310                   /* Int. cmd. RW */

#define LAPIC_LVTT      0x320                   /* Loc.vec.(timer) RW */
#       define LAPIC_LVTT_VEC_MASK      0x000000ff
#       define LAPIC_LVTT_DS            0x00001000
#       define LAPIC_LVTT_M             0x00010000
#       define LAPIC_LVTT_TM            0x00020000
#        define LAPIC_LVTT_TM_ONESHOT   0x00000000
#        define LAPIC_LVTT_TM_PERIODIC  0x00020000
#        define LAPIC_LVTT_TM_TSCDL     0x00040000

#define LAPIC_PCINT     0x340
#define LAPIC_LVINT0    0x350                   /* Loc.vec (LINT0) RW */
#       define LAPIC_LVT_PERIODIC       0x00020000
#       define LAPIC_LVT_MASKED         0x00010000
#       define LAPIC_LVT_LEVTRIG        0x00008000
#       define LAPIC_LVT_REMOTE_IRR     0x00004000
#       define LAPIC_INP_POL            0x00002000
#       define LAPIC_PEND_SEND          0x00001000

#define LAPIC_LVINT1    0x360                   /* Loc.vec (LINT1) RW */
#define LAPIC_LVERR     0x370                   /* Loc.vec (ERROR) RW */
#define LAPIC_ICR_TIMER 0x380                   /* Initial count RW */
#define LAPIC_CCR_TIMER 0x390                   /* Current count RO */

#define LAPIC_DCR_TIMER 0x3e0                   /* Divisor config register */
#       define LAPIC_DCRT_DIV1          0x0b
#       define LAPIC_DCRT_DIV2          0x00
#       define LAPIC_DCRT_DIV4          0x01
#       define LAPIC_DCRT_DIV8          0x02
#       define LAPIC_DCRT_DIV16         0x03
#       define LAPIC_DCRT_DIV32         0x08
#       define LAPIC_DCRT_DIV64         0x09
#       define LAPIC_DCRT_DIV128        0x0a

#define LAPIC_BASE              0xfee00000

#define LAPIC_IRQ_MASK(i)       (1 << ((i) + 1))