usr/src/uts/i86pc/sys/cpu_acpi.h

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