diff options
Diffstat (limited to 'usr/src/contrib/bhyve/dev/acpica/acpi_hpet.h')
| -rw-r--r-- | usr/src/contrib/bhyve/dev/acpica/acpi_hpet.h | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/usr/src/contrib/bhyve/dev/acpica/acpi_hpet.h b/usr/src/contrib/bhyve/dev/acpica/acpi_hpet.h new file mode 100644 index 0000000000..df817b7a2b --- /dev/null +++ b/usr/src/contrib/bhyve/dev/acpica/acpi_hpet.h @@ -0,0 +1,67 @@ +/*- + * 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: head/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__ */ |