cpu_acpi.h revision 5611:2d3721177784
1/* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21/* 22 * Copyright 2007 Sun Microsystems, Inc. All rights reserved. 23 * Use is subject to license terms. 24 */ 25 26#ifndef _CPU_ACPI_H 27#define _CPU_ACPI_H 28 29#pragma ident "%Z%%M% %I% %E% SMI" 30 31#include <sys/acpi/acpi.h> 32#include <sys/acpi/acresrc.h> 33#include <sys/acpi/acglobal.h> 34#include <sys/acpica.h> 35 36#ifdef __cplusplus 37extern "C" { 38#endif 39 40#define CPU_ACPI_PPC(sp) sp->cs_ppc 41#define CPU_ACPI_PSD(sp) sp->cs_psd 42#define CPU_ACPI_PCT(sp) sp->cs_pct 43#define CPU_ACPI_PCT_CTRL(sp) &sp->cs_pct[0] 44#define CPU_ACPI_PCT_STATUS(sp) &sp->cs_pct[1] 45#define CPU_ACPI_PSTATES(sp) sp->cs_pstates->pss_pstates 46#define CPU_ACPI_PSTATES_COUNT(sp) sp->cs_pstates->pss_count 47 48#define CPU_ACPI_PSTATE(sp, i) &sp->cs_pstates->pss_pstates[i] 49#define CPU_ACPI_FREQ(pstate) pstate->ps_freq 50#define CPU_ACPI_TRANSLAT(pstate) pstate->ps_translat 51#define CPU_ACPI_CTRL(pstate) pstate->ps_ctrl 52#define CPU_ACPI_STAT(pstate) pstate->ps_state 53 54#define CPU_ACPI_NONE_CACHED 0x00 55#define CPU_ACPI_PCT_CACHED 0x01 56#define CPU_ACPI_PSS_CACHED 0x02 57#define CPU_ACPI_PSD_CACHED 0x04 58#define CPU_ACPI_PPC_CACHED 0x08 59 60#define CPU_ACPI_IS_OBJ_CACHED(sp, obj) (sp->cpu_acpi_cached & obj) 61#define CPU_ACPI_OBJ_IS_CACHED(sp, obj) (sp->cpu_acpi_cached |= obj) 62#define CPU_ACPI_OBJ_IS_NOT_CACHED(sp, obj) (sp->cpu_acpi_cached &= ~obj) 63 64/* 65 * Container for _PSD information 66 */ 67typedef struct cpu_acpi_psd 68{ 69 uint8_t pd_entries; 70 uint8_t pd_revision; 71 uint32_t pd_domain; 72 uint32_t pd_type; 73 uint32_t pd_num; 74} cpu_acpi_psd_t; 75 76/* 77 * Container for _PCT information 78 */ 79typedef struct cpu_acpi_pct 80{ 81 uint8_t pc_addrspace_id; 82 uint8_t pc_width; 83 uint8_t pc_offset; 84 uint8_t pc_asize; 85 ACPI_IO_ADDRESS pc_address; 86} cpu_acpi_pct_t; 87 88/* 89 * Containers for _PSS information 90 */ 91typedef struct cpu_acpi_pstate 92{ 93 uint32_t ps_freq; 94 uint32_t ps_disp; 95 uint32_t ps_translat; 96 uint32_t ps_buslat; 97 uint32_t ps_ctrl; 98 uint32_t ps_state; 99} cpu_acpi_pstate_t; 100 101typedef struct cpu_acpi_pstates { 102 cpu_acpi_pstate_t *pss_pstates; 103 uint32_t pss_count; 104} cpu_acpi_pstates_t; 105 106typedef int cpu_acpi_ppc_t; 107 108/* 109 * Container for cached ACPI data. 110 */ 111typedef struct cpu_acpi_state { 112 ACPI_HANDLE cs_handle; 113 dev_info_t *cs_dip; 114 uint_t cpu_acpi_cached; 115 cpu_acpi_pstates_t *cs_pstates; 116 cpu_acpi_pct_t cs_pct[2]; 117 cpu_acpi_psd_t cs_psd; 118 cpu_acpi_ppc_t cs_ppc; 119} cpu_acpi_state_t; 120 121typedef cpu_acpi_state_t *cpu_acpi_handle_t; 122 123extern cpu_acpi_handle_t cpu_acpi_init(dev_info_t *); 124extern void cpu_acpi_fini(cpu_acpi_handle_t); 125extern int cpu_acpi_cache_pstates(cpu_acpi_handle_t); 126extern int cpu_acpi_cache_pct(cpu_acpi_handle_t); 127extern int cpu_acpi_cache_psd(cpu_acpi_handle_t); 128extern void cpu_acpi_cache_ppc(cpu_acpi_handle_t); 129extern int cpu_acpi_cache_data(cpu_acpi_handle_t); 130extern void cpu_acpi_install_ppc_handler(cpu_acpi_handle_t, 131 ACPI_NOTIFY_HANDLER, dev_info_t *); 132extern int cpu_acpi_write_pdc(cpu_acpi_handle_t, uint32_t, uint32_t, 133 uint32_t *); 134extern int cpu_acpi_write_port(ACPI_IO_ADDRESS, uint32_t, uint32_t); 135extern int cpu_acpi_read_port(ACPI_IO_ADDRESS, uint32_t *, uint32_t); 136extern uint_t cpu_acpi_get_speeds(cpu_acpi_handle_t, int **); 137extern void cpu_acpi_free_speeds(int *, uint_t); 138 139#ifdef __cplusplus 140} 141#endif 142 143#endif /* _CPU_ACPI_H */ 144