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/*- * Copyright (c) 2005 Poul-Henning Kamp * All rights reserved. * * 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 AUTHOR 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 AUTHOR 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. * * $FreeBSD: release/9.1.0/sys/dev/acpica/acpi_hpet.h 224919 2011-08-16 21:51:29Z mav $ */ #ifndef __ACPI_HPET_H__ #define __ACPI_HPET_H__ #define HPET_MEM_WIDTH 0x400 /* Expected memory region size */ /* General registers */ #define HPET_CAPABILITIES 0x0 /* General capabilities and ID */ #define HPET_CAP_VENDOR_ID 0xffff0000 #define HPET_CAP_LEG_RT 0x00008000 #define HPET_CAP_COUNT_SIZE 0x00002000 /* 1 = 64-bit, 0 = 32-bit */ #define HPET_CAP_NUM_TIM 0x00001f00 #define HPET_CAP_REV_ID 0x000000ff #define HPET_PERIOD 0x4 /* Period (1/hz) of timer */ #define HPET_CONFIG 0x10 /* General configuration register */ #define HPET_CNF_LEG_RT 0x00000002 #define HPET_CNF_ENABLE 0x00000001 #define HPET_ISR 0x20 /* General interrupt status register */ #define HPET_MAIN_COUNTER 0xf0 /* Main counter register */ /* Timer registers */ #define HPET_TIMER_CAP_CNF(x) ((x) * 0x20 + 0x100) #define HPET_TCAP_INT_ROUTE 0xffffffff00000000 #define HPET_TCAP_FSB_INT_DEL 0x00008000 #define HPET_TCNF_FSB_EN 0x00004000 #define HPET_TCNF_INT_ROUTE 0x00003e00 #define HPET_TCNF_32MODE 0x00000100 #define HPET_TCNF_VAL_SET 0x00000040 #define HPET_TCAP_SIZE 0x00000020 /* 1 = 64-bit, 0 = 32-bit */ #define HPET_TCAP_PER_INT 0x00000010 /* Supports periodic interrupts */ #define HPET_TCNF_TYPE 0x00000008 /* 1 = periodic, 0 = one-shot */ #define HPET_TCNF_INT_ENB 0x00000004 #define HPET_TCNF_INT_TYPE 0x00000002 /* 1 = level triggered, 0 = edge */ #define HPET_TIMER_COMPARATOR(x) ((x) * 0x20 + 0x108) #define HPET_TIMER_FSB_VAL(x) ((x) * 0x20 + 0x110) #define HPET_TIMER_FSB_ADDR(x) ((x) * 0x20 + 0x114) #define HPET_MIN_CYCLES 128 /* Period considered reliable. */ #endif /* !__ACPI_HPET_H__ */