arch/x86/kernel/platform/i86pc/include/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 2009 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/cpuvar.h>
  30 #include <sys/acpi/acpi.h>
  31 #include <sys/acpi/accommon.h>
  32 #include <sys/acpi/acresrc.h>
  33 #include <sys/acpica.h>
  34
  35 #ifdef __cplusplus
  36 extern "C" {
  37 #endif
  38
  39 /*
  40  * P-state related macros
  41  */
  42 #define CPU_ACPI_PPC(sp)                sp->cs_ppc
  43 #define CPU_ACPI_PSD(sp)                sp->cs_psd
  44 #define CPU_ACPI_PCT(sp)                sp->cs_pct
  45 #define CPU_ACPI_PCT_CTRL(sp)           &sp->cs_pct[0]
  46 #define CPU_ACPI_PCT_STATUS(sp)         &sp->cs_pct[1]
  47 #define CPU_ACPI_PSTATES(sp)            sp->cs_pstates.ss_states
  48 #define CPU_ACPI_PSTATES_COUNT(sp)      sp->cs_pstates.ss_count
  49
  50 #define CPU_ACPI_FREQ(pstate)           pstate->ps_freq
  51 #define CPU_ACPI_PSTATE_TRANSLAT(pstate) pstate->ps_translat
  52 #define CPU_ACPI_PSTATE_CTRL(pstate)    pstate->ps_ctrl
  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 /*
  71  * C-state realted macros
  72  */
  73 #define CPU_ACPI_CSD(sp)                sp->cs_csd
  74 #define CPU_ACPI_CSTATES(sp)            sp->cs_cstates.ss_states
  75 #define CPU_ACPI_CSTATES_COUNT(sp)      sp->cs_cstates.ss_count
  76
  77 #define CPU_ACPI_NONE_CACHED            0x0000
  78 #define CPU_ACPI_PCT_CACHED             0x0001
  79 #define CPU_ACPI_PSS_CACHED             0x0002
  80 #define CPU_ACPI_PSD_CACHED             0x0004
  81 #define CPU_ACPI_PPC_CACHED             0x0008
  82 #define CPU_ACPI_PTC_CACHED             0x0010
  83 #define CPU_ACPI_TSS_CACHED             0x0020
  84 #define CPU_ACPI_TSD_CACHED             0x0040
  85 #define CPU_ACPI_TPC_CACHED             0x0080
  86 #define CPU_ACPI_CST_CACHED             0x0100
  87 #define CPU_ACPI_CSD_CACHED             0x0200
  88
  89 #define CPU_ACPI_IS_OBJ_CACHED(sp, obj) (sp->cpu_acpi_cached & obj)
  90 #define CPU_ACPI_OBJ_IS_CACHED(sp, obj) (sp->cpu_acpi_cached |= obj)
  91 #define CPU_ACPI_OBJ_IS_NOT_CACHED(sp, obj) (sp->cpu_acpi_cached &= ~obj)
  92
  93 #define CPU_ACPI_PSTATES_SIZE(cnt) (cnt * sizeof (cpu_acpi_pstate_t))
  94 #define CPU_ACPI_PSS_CNT (sizeof (cpu_acpi_pstate_t) / sizeof (uint32_t))
  95 #define CPU_ACPI_TSTATES_SIZE(cnt) (cnt * sizeof (cpu_acpi_tstate_t))
  96 #define CPU_ACPI_TSS_CNT (sizeof (cpu_acpi_tstate_t) / sizeof (uint32_t))
  97 #define CPU_ACPI_CSTATES_SIZE(cnt) (cnt * sizeof (cpu_acpi_cstate_t))
  98 #define CPU_ACPI_CST_CNT (sizeof (cpu_acpi_cstate_t) / sizeof (uint32_t))
  99 /*
 100  * CPU Domain Coordination Types
 101  */
 102 #define CPU_ACPI_SW_ALL 0xfc
 103 #define CPU_ACPI_SW_ANY 0xfd
 104 #define CPU_ACPI_HW_ALL 0xfe
 105
 106 /*
 107  * Container for ACPI processor state dependency information
 108  */
 109 typedef struct cpu_acpi_state_dependency
 110 {
 111         uint8_t sd_entries;
 112         uint8_t sd_revision;
 113         uint32_t sd_domain;
 114         uint32_t sd_type;
 115         uint32_t sd_num;
 116         uint32_t sd_index;
 117 } cpu_acpi_state_dependency_t;
 118
 119 typedef cpu_acpi_state_dependency_t cpu_acpi_psd_t;
 120 typedef cpu_acpi_state_dependency_t cpu_acpi_tsd_t;
 121 typedef cpu_acpi_state_dependency_t cpu_acpi_csd_t;
 122
 123 /*
 124  * Container for ACPI processor control register information
 125  */
 126 typedef struct cpu_acpi_ctrl_regs
 127 {
 128         uint8_t cr_addrspace_id;
 129         uint8_t cr_width;
 130         uint8_t cr_offset;
 131         uint8_t cr_asize;
 132         ACPI_IO_ADDRESS cr_address;
 133 } cpu_acpi_ctrl_regs_t;
 134
 135 typedef cpu_acpi_ctrl_regs_t cpu_acpi_pct_t;
 136 typedef cpu_acpi_ctrl_regs_t cpu_acpi_ptc_t;
 137
 138 /*
 139  * Container for ACPI _PSS information
 140  */
 141 typedef struct cpu_acpi_pstate
 142 {
 143         uint32_t ps_freq;
 144         uint32_t ps_disp;
 145         uint32_t ps_translat;
 146         uint32_t ps_buslat;
 147         uint32_t ps_ctrl;
 148         uint32_t ps_state;
 149 } cpu_acpi_pstate_t;
 150
 151 /*
 152  * Container for _TSS information
 153  */
 154 typedef struct cpu_acpi_tstate
 155 {
 156         uint32_t ts_freqper;
 157         uint32_t ts_disp;
 158         uint32_t ts_translat;
 159         uint32_t ts_ctrl;
 160         uint32_t ts_state;
 161
 162 } cpu_acpi_tstate_t;
 163
 164 /*
 165  * Container for _CST information
 166  */
 167 typedef struct cpu_acpi_cstate
 168 {
 169         uint32_t cs_addrspace_id;
 170         uint32_t cs_address;
 171         uint32_t cs_type;
 172         uint32_t cs_latency;
 173         uint32_t cs_power;
 174         kstat_t *cs_ksp;
 175 } cpu_acpi_cstate_t;
 176
 177 typedef struct cpu_acpi_supported_states {
 178         void *ss_states;
 179         uint32_t ss_count;
 180 } cpu_acpi_supported_states_t;
 181
 182 typedef cpu_acpi_supported_states_t cpu_acpi_pstates_t;
 183 typedef cpu_acpi_supported_states_t cpu_acpi_tstates_t;
 184 typedef cpu_acpi_supported_states_t cpu_acpi_cstates_t;
 185
 186 typedef int cpu_acpi_present_capabilities_t;
 187 typedef int cpu_acpi_ppc_t;
 188 typedef int cpu_acpi_tpc_t;
 189
 190 /*
 191  * Container for cached ACPI data.
 192  */
 193 typedef struct cpu_acpi_state {
 194         ACPI_HANDLE cs_handle;
 195         int cs_id;
 196         uint_t cpu_acpi_cached;
 197         cpu_acpi_pstates_t cs_pstates;
 198         cpu_acpi_pct_t cs_pct[2];
 199         cpu_acpi_psd_t cs_psd;
 200         cpu_acpi_ppc_t cs_ppc;
 201         cpu_acpi_tstates_t cs_tstates;
 202         cpu_acpi_ptc_t cs_ptc[2];
 203         cpu_acpi_tsd_t cs_tsd;
 204         cpu_acpi_tpc_t cs_tpc;
 205         cpu_acpi_cstates_t cs_cstates;
 206         cpu_acpi_csd_t cs_csd;
 207 } cpu_acpi_state_t;
 208
 209 typedef cpu_acpi_state_t *cpu_acpi_handle_t;
 210
 211 extern void cpu_acpi_cache_ppc(cpu_acpi_handle_t);
 212 extern void cpu_acpi_cache_tpc(cpu_acpi_handle_t);
 213 extern int cpu_acpi_cache_pstate_data(cpu_acpi_handle_t);
 214 extern void cpu_acpi_free_pstate_data(cpu_acpi_handle_t);
 215 extern int cpu_acpi_cache_tstate_data(cpu_acpi_handle_t);
 216 extern void cpu_acpi_free_tstate_data(cpu_acpi_handle_t);
 217 extern int cpu_acpi_cache_cstate_data(cpu_acpi_handle_t);
 218 extern void cpu_acpi_free_cstate_data(cpu_acpi_handle_t);
 219 extern void cpu_acpi_install_notify_handler(cpu_acpi_handle_t,
 220     ACPI_NOTIFY_HANDLER, void *);
 221 extern void cpu_acpi_remove_notify_handler(cpu_acpi_handle_t,
 222     ACPI_NOTIFY_HANDLER);
 223 extern int cpu_acpi_write_pdc(cpu_acpi_handle_t, uint32_t, uint32_t,
 224     uint32_t *);
 225 extern int cpu_acpi_write_port(ACPI_IO_ADDRESS, uint32_t, uint32_t);
 226 extern int cpu_acpi_read_port(ACPI_IO_ADDRESS, uint32_t *, uint32_t);
 227 extern void cpu_acpi_set_register(uint32_t, uint32_t);
 228 extern void cpu_acpi_get_register(uint32_t, uint32_t *);
 229 extern uint_t cpu_acpi_get_speeds(cpu_acpi_handle_t, int **);
 230 extern uint_t cpu_acpi_get_max_cstates(cpu_acpi_handle_t);
 231 extern void cpu_acpi_free_speeds(int *, uint_t);
 232 extern cpu_acpi_handle_t cpu_acpi_init(cpu_t *);
 233 extern void cpu_acpi_fini(cpu_acpi_handle_t);
 234
 235 #ifdef __cplusplus
 236 }
 237 #endif
 238
 239 #endif  /* _CPU_ACPI_H */