X-Git-Url: https://git.saurik.com/apple/xnu.git/blobdiff_plain/c0fea4742e91338fffdcf79f86a7c1d5e2b97eb1..143464d58d2bd6378e74eec636961ceb0d32fb91:/osfmk/i386/hpet.h diff --git a/osfmk/i386/hpet.h b/osfmk/i386/hpet.h index f3595dce1..6bc829bb5 100644 --- a/osfmk/i386/hpet.h +++ b/osfmk/i386/hpet.h @@ -1,23 +1,29 @@ /* * Copyright (c) 2006 Apple Computer, Inc. All rights reserved. * - * @APPLE_LICENSE_HEADER_START@ + * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ * - * The contents of this file constitute Original Code as defined in and - * are subject to the Apple Public Source License Version 1.1 (the - * "License"). You may not use this file except in compliance with the - * License. Please obtain a copy of the License at - * http://www.apple.com/publicsource and read it before using this file. + * This file contains Original Code and/or Modifications of Original Code + * as defined in and that are subject to the Apple Public Source License + * Version 2.0 (the 'License'). You may not use this file except in + * compliance with the License. The rights granted to you under the License + * may not be used to create, or enable the creation or redistribution of, + * unlawful or unlicensed copies of an Apple operating system, or to + * circumvent, violate, or enable the circumvention or violation of, any + * terms of an Apple operating system software license agreement. * - * This Original Code and all software distributed under the License are - * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER + * Please obtain a copy of the License at + * http://www.opensource.apple.com/apsl/ and read it before using this file. + * + * The Original Code and all software distributed under the License are + * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the - * License for the specific language governing rights and limitations - * under the License. + * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. + * Please see the License for the specific language governing rights and + * limitations under the License. * - * @APPLE_LICENSE_HEADER_END@ + * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ */ #ifdef KERNEL_PRIVATE #ifndef _I386_HPET_H_ @@ -56,19 +62,34 @@ typedef struct hpetReg { } hpetReg; typedef struct hpetReg hpetReg_t; +typedef struct hpetTimer { + uint64_t Config; /* Timer config and capabilities */ + uint64_t Compare; /* Timer comparitor */ +} hpetTimer_t; + struct hpetInfo { - uint64_t hpetCvtt2n; - uint64_t hpetCvtn2t; - uint64_t tsc2hpet; - uint64_t hpet2tsc; - uint64_t bus2hpet; - uint64_t hpet2bus; - uint32_t rcbaArea; - uint32_t rcbaAreap; + uint64_t hpetCvtt2n; + uint64_t hpetCvtn2t; + uint64_t tsc2hpet; + uint64_t hpet2tsc; + uint64_t bus2hpet; + uint64_t hpet2bus; + uint32_t rcbaArea; + uint32_t rcbaAreap; }; typedef struct hpetInfo hpetInfo_t; +struct hpetRequest +{ + uint32_t flags; + uint32_t hpetOffset; + uint32_t hpetVector; +}; +typedef struct hpetRequest hpetRequest_t; + +#define HPET_REQFL_64BIT 0x00000001 /* Timer is 64 bits */ + extern uint64_t hpetFemto; extern uint64_t hpetFreq; extern uint64_t hpetCvtt2n; @@ -78,7 +99,7 @@ extern uint64_t hpet2tsc; extern uint64_t bus2hpet; extern uint64_t hpet2bus; -extern uint32_t rcbaArea; +extern vm_offset_t rcbaArea; extern uint32_t rcbaAreap; extern void map_rcbaAread(void); @@ -91,6 +112,9 @@ extern void hpet_restore(void); extern int HPETInterrupt(void); #endif +extern int hpet_register_callback(int (*hpet_reqst)(uint32_t apicid, void *arg, hpetRequest_t *hpet), void *arg); +extern int hpet_request(uint32_t cpu); + extern uint64_t rdHPET(void); extern void hpet_get_info(hpetInfo_t *info);