cpu_acpi.h revision 7774:d4bc20bc366d
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 2008 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#include <sys/acpi/acpi.h> 30#include <sys/acpi/acresrc.h> 31#include <sys/acpi/acglobal.h> 32#include <sys/acpica.h> 33 34#ifdef __cplusplus 35extern "C" { 36#endif 37 38/* 39 * P-state related macros 40 */ 41#define CPU_ACPI_PPC(sp) sp->cs_ppc 42#define CPU_ACPI_PSD(sp) sp->cs_psd 43#define CPU_ACPI_PCT(sp) sp->cs_pct 44#define CPU_ACPI_PCT_CTRL(sp) &sp->cs_pct[0] 45#define CPU_ACPI_PCT_STATUS(sp) &sp->cs_pct[1] 46#define CPU_ACPI_PSTATES(sp) sp->cs_pstates.ss_states 47#define CPU_ACPI_PSTATES_COUNT(sp) sp->cs_pstates.ss_count 48 49#define CPU_ACPI_FREQ(pstate) pstate->ps_freq 50#define CPU_ACPI_PSTATE_TRANSLAT(pstate) pstate->ps_translat 51#define CPU_ACPI_PSTATE_CTRL(pstate) pstate->ps_ctrl 52 53/* 54 * T-state related macros 55 */ 56#define CPU_ACPI_TPC(sp) sp->cs_tpc 57#define CPU_ACPI_TSD(sp) sp->cs_tsd 58#define CPU_ACPI_PTC(sp) sp->cs_ptc 59#define CPU_ACPI_PTC_CTRL(sp) &sp->cs_ptc[0] 60#define CPU_ACPI_PTC_STATUS(sp) &sp->cs_ptc[1] 61#define CPU_ACPI_TSTATES(sp) sp->cs_tstates.ss_states 62#define CPU_ACPI_TSTATES_COUNT(sp) sp->cs_tstates.ss_count 63 64#define CPU_ACPI_FREQPER(tstate) tstate->ts_freqper 65#define CPU_ACPI_TSTATE_TRANSLAT(tstate) tstate->ts_translat 66#define CPU_ACPI_TSTATE_CTRL(tstate) tstate->ts_ctrl 67#define CPU_ACPI_TSTATE_STAT(tstate) tstate->ts_state 68 69#define CPU_ACPI_NONE_CACHED 0x00 70#define CPU_ACPI_PCT_CACHED 0x01 71#define CPU_ACPI_PSS_CACHED 0x02 72#define CPU_ACPI_PSD_CACHED 0x04 73#define CPU_ACPI_PPC_CACHED 0x08 74#define CPU_ACPI_PTC_CACHED 0x10 75#define CPU_ACPI_TSS_CACHED 0x20 76#define CPU_ACPI_TSD_CACHED 0x40 77#define CPU_ACPI_TPC_CACHED 0x80 78 79#define CPU_ACPI_IS_OBJ_CACHED(sp, obj) (sp->cpu_acpi_cached & obj) 80#define CPU_ACPI_OBJ_IS_CACHED(sp, obj) (sp->cpu_acpi_cached |= obj) 81#define CPU_ACPI_OBJ_IS_NOT_CACHED(sp, obj) (sp->cpu_acpi_cached &= ~obj) 82 83#define CPU_ACPI_PSTATES_SIZE(cnt) (cnt * sizeof (cpu_acpi_pstate_t)) 84#define CPU_ACPI_PSS_CNT (sizeof (cpu_acpi_pstate_t) / sizeof (uint32_t)) 85#define CPU_ACPI_TSTATES_SIZE(cnt) (cnt * sizeof (cpu_acpi_tstate_t)) 86#define CPU_ACPI_TSS_CNT (sizeof (cpu_acpi_tstate_t) / sizeof (uint32_t)) 87 88/* 89 * CPU Domain Coordination Types 90 */ 91#define CPU_ACPI_SW_ALL 0xfc 92#define CPU_ACPI_SW_ANY 0xfd 93#define CPU_ACPI_HW_ALL 0xfe 94 95/* 96 * Container for ACPI processor state dependency information 97 */ 98typedef struct cpu_acpi_state_dependency 99{ 100 uint8_t sd_entries; 101 uint8_t sd_revision; 102 uint32_t sd_domain; 103 uint32_t sd_type; 104 uint32_t sd_num; 105} cpu_acpi_state_dependency_t; 106 107typedef cpu_acpi_state_dependency_t cpu_acpi_psd_t; 108typedef cpu_acpi_state_dependency_t cpu_acpi_tsd_t; 109 110/* 111 * Container for ACPI processor control register information 112 */ 113typedef struct cpu_acpi_ctrl_regs 114{ 115 uint8_t cr_addrspace_id; 116 uint8_t cr_width; 117 uint8_t cr_offset; 118 uint8_t cr_asize; 119 ACPI_IO_ADDRESS cr_address; 120} cpu_acpi_ctrl_regs_t; 121 122typedef cpu_acpi_ctrl_regs_t cpu_acpi_pct_t; 123typedef cpu_acpi_ctrl_regs_t cpu_acpi_ptc_t; 124 125/* 126 * Container for ACPI _PSS information 127 */ 128typedef struct cpu_acpi_pstate 129{ 130 uint32_t ps_freq; 131 uint32_t ps_disp; 132 uint32_t ps_translat; 133 uint32_t ps_buslat; 134 uint32_t ps_ctrl; 135 uint32_t ps_state; 136} cpu_acpi_pstate_t; 137 138/* 139 * Container for _TSS information 140 */ 141typedef struct cpu_acpi_tstate 142{ 143 uint32_t ts_freqper; 144 uint32_t ts_disp; 145 uint32_t ts_translat; 146 uint32_t ts_ctrl; 147 uint32_t ts_state; 148 149} cpu_acpi_tstate_t; 150 151typedef struct cpu_acpi_supported_states { 152 void *ss_states; 153 uint32_t ss_count; 154} cpu_acpi_supported_states_t; 155 156typedef cpu_acpi_supported_states_t cpu_acpi_pstates_t; 157typedef cpu_acpi_supported_states_t cpu_acpi_tstates_t; 158 159typedef int cpu_acpi_present_capabilities_t; 160typedef int cpu_acpi_ppc_t; 161typedef int cpu_acpi_tpc_t; 162 163/* 164 * Container for cached ACPI data. 165 */ 166typedef struct cpu_acpi_state { 167 ACPI_HANDLE cs_handle; 168 dev_info_t *cs_dip; 169 uint_t cpu_acpi_cached; 170 cpu_acpi_pstates_t cs_pstates; 171 cpu_acpi_pct_t cs_pct[2]; 172 cpu_acpi_psd_t cs_psd; 173 cpu_acpi_ppc_t cs_ppc; 174 cpu_acpi_tstates_t cs_tstates; 175 cpu_acpi_ptc_t cs_ptc[2]; 176 cpu_acpi_tsd_t cs_tsd; 177 cpu_acpi_tpc_t cs_tpc; 178} cpu_acpi_state_t; 179 180typedef cpu_acpi_state_t *cpu_acpi_handle_t; 181 182extern void cpu_acpi_cache_ppc(cpu_acpi_handle_t); 183extern void cpu_acpi_cache_tpc(cpu_acpi_handle_t); 184extern int cpu_acpi_cache_pstate_data(cpu_acpi_handle_t); 185extern void cpu_acpi_free_pstate_data(cpu_acpi_handle_t); 186extern int cpu_acpi_cache_tstate_data(cpu_acpi_handle_t); 187extern void cpu_acpi_free_tstate_data(cpu_acpi_handle_t); 188extern void cpu_acpi_install_notify_handler(cpu_acpi_handle_t, 189 ACPI_NOTIFY_HANDLER, dev_info_t *); 190extern int cpu_acpi_write_pdc(cpu_acpi_handle_t, uint32_t, uint32_t, 191 uint32_t *); 192extern int cpu_acpi_write_port(ACPI_IO_ADDRESS, uint32_t, uint32_t); 193extern int cpu_acpi_read_port(ACPI_IO_ADDRESS, uint32_t *, uint32_t); 194extern uint_t cpu_acpi_get_speeds(cpu_acpi_handle_t, int **); 195extern void cpu_acpi_free_speeds(int *, uint_t); 196extern cpu_acpi_handle_t cpu_acpi_init(dev_info_t *); 197extern void cpu_acpi_fini(cpu_acpi_handle_t); 198 199#ifdef __cplusplus 200} 201#endif 202 203#endif /* _CPU_ACPI_H */ 204