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_BM_INFO(sp) sp->bm_info 75 #define CPU_ACPI_CSTATES(sp) sp->cs_cstates.ss_states 76 #define CPU_ACPI_CSTATES_COUNT(sp) sp->cs_cstates.ss_count 77 78 #define CPU_ACPI_NONE_CACHED 0x0000 79 #define CPU_ACPI_PCT_CACHED 0x0001 80 #define CPU_ACPI_PSS_CACHED 0x0002 81 #define CPU_ACPI_PSD_CACHED 0x0004 82 #define CPU_ACPI_PPC_CACHED 0x0008 83 #define CPU_ACPI_PTC_CACHED 0x0010 84 #define CPU_ACPI_TSS_CACHED 0x0020 85 #define CPU_ACPI_TSD_CACHED 0x0040 86 #define CPU_ACPI_TPC_CACHED 0x0080 87 #define CPU_ACPI_CST_CACHED 0x0100 88 #define CPU_ACPI_CSD_CACHED 0x0200 89 90 #define CPU_ACPI_IS_OBJ_CACHED(sp, obj) (sp->cpu_acpi_cached & obj) 91 #define CPU_ACPI_OBJ_IS_CACHED(sp, obj) (sp->cpu_acpi_cached |= obj) 92 #define CPU_ACPI_OBJ_IS_NOT_CACHED(sp, obj) (sp->cpu_acpi_cached &= ~obj) 93 94 #define CPU_ACPI_PSTATES_SIZE(cnt) (cnt * sizeof (cpu_acpi_pstate_t)) 95 #define CPU_ACPI_PSS_CNT (sizeof (cpu_acpi_pstate_t) / sizeof (uint32_t)) 96 #define CPU_ACPI_TSTATES_SIZE(cnt) (cnt * sizeof (cpu_acpi_tstate_t)) 97 #define CPU_ACPI_TSS_CNT (sizeof (cpu_acpi_tstate_t) / sizeof (uint32_t)) 98 #define CPU_ACPI_CSTATES_SIZE(cnt) (cnt * sizeof (cpu_acpi_cstate_t)) 99 #define CPU_ACPI_CST_CNT (sizeof (cpu_acpi_cstate_t) / sizeof (uint32_t)) 100 /* 101 * CPU Domain Coordination Types 102 */ 103 #define CPU_ACPI_SW_ALL 0xfc 104 #define CPU_ACPI_SW_ANY 0xfd 105 #define CPU_ACPI_HW_ALL 0xfe 106 107 /* 108 * Container for ACPI processor state dependency information 109 */ 110 typedef struct cpu_acpi_state_dependency 111 { 112 uint8_t sd_entries; 113 uint8_t sd_revision; 114 uint32_t sd_domain; 115 uint32_t sd_type; 116 uint32_t sd_num; 117 uint32_t sd_index; 118 } cpu_acpi_state_dependency_t; 119 120 typedef cpu_acpi_state_dependency_t cpu_acpi_psd_t; 121 typedef cpu_acpi_state_dependency_t cpu_acpi_tsd_t; 122 typedef cpu_acpi_state_dependency_t cpu_acpi_csd_t; 123 124 /* 125 * Container for ACPI processor control register information 126 */ 127 typedef struct cpu_acpi_ctrl_regs 128 { 129 uint8_t cr_addrspace_id; 130 uint8_t cr_width; 131 uint8_t cr_offset; 132 uint8_t cr_asize; 133 ACPI_IO_ADDRESS cr_address; 134 } cpu_acpi_ctrl_regs_t; 135 136 typedef cpu_acpi_ctrl_regs_t cpu_acpi_pct_t; 137 typedef cpu_acpi_ctrl_regs_t cpu_acpi_ptc_t; 138 139 /* 140 * Container for ACPI _PSS information 141 */ 142 typedef struct cpu_acpi_pstate 143 { 144 uint32_t ps_freq; 145 uint32_t ps_disp; 146 uint32_t ps_translat; 147 uint32_t ps_buslat; 148 uint32_t ps_ctrl; 149 uint32_t ps_state; 150 } cpu_acpi_pstate_t; 151 152 /* 153 * Container for _TSS information 154 */ 155 typedef struct cpu_acpi_tstate 156 { 157 uint32_t ts_freqper; 158 uint32_t ts_disp; 159 uint32_t ts_translat; 160 uint32_t ts_ctrl; 161 uint32_t ts_state; 162 163 } cpu_acpi_tstate_t; 164 165 /* 166 * Container for _CST information 167 */ 168 typedef struct cpu_acpi_cstate 169 { 170 uint32_t cs_addrspace_id; 171 uint32_t cs_address; 172 uint32_t cs_type; 173 uint32_t cs_latency; 174 uint32_t cs_power; 175 kstat_t *cs_ksp; 176 } cpu_acpi_cstate_t; 177 178 typedef struct cpu_acpi_supported_states { 179 void *ss_states; 180 uint32_t ss_count; 181 } cpu_acpi_supported_states_t; 182 183 typedef cpu_acpi_supported_states_t cpu_acpi_pstates_t; 184 typedef cpu_acpi_supported_states_t cpu_acpi_tstates_t; 185 typedef cpu_acpi_supported_states_t cpu_acpi_cstates_t; 186 187 typedef int cpu_acpi_present_capabilities_t; 188 typedef int cpu_acpi_ppc_t; 189 typedef int cpu_acpi_tpc_t; 190 191 /* 192 * Container for cached ACPI data. 193 */ 194 typedef struct cpu_acpi_state { 195 ACPI_HANDLE cs_handle; 196 int cs_id; 197 uint_t cpu_acpi_cached; 198 cpu_acpi_pstates_t cs_pstates; 199 cpu_acpi_pct_t cs_pct[2]; 200 cpu_acpi_psd_t cs_psd; 201 cpu_acpi_ppc_t cs_ppc; 202 cpu_acpi_tstates_t cs_tstates; 203 cpu_acpi_ptc_t cs_ptc[2]; 204 cpu_acpi_tsd_t cs_tsd; 205 cpu_acpi_tpc_t cs_tpc; 206 cpu_acpi_cstates_t cs_cstates; 207 cpu_acpi_csd_t cs_csd; 208 uint_t bm_info; 209 } cpu_acpi_state_t; 210 211 typedef cpu_acpi_state_t *cpu_acpi_handle_t; 212 213 extern void cpu_acpi_cache_ppc(cpu_acpi_handle_t); 214 extern void cpu_acpi_cache_tpc(cpu_acpi_handle_t); 215 extern int cpu_acpi_cache_pstate_data(cpu_acpi_handle_t); 216 extern void cpu_acpi_free_pstate_data(cpu_acpi_handle_t); 217 extern int cpu_acpi_cache_tstate_data(cpu_acpi_handle_t); 218 extern void cpu_acpi_free_tstate_data(cpu_acpi_handle_t); 219 extern int cpu_acpi_cache_cstate_data(cpu_acpi_handle_t); 220 extern void cpu_acpi_free_cstate_data(cpu_acpi_handle_t); 221 extern void cpu_acpi_install_notify_handler(cpu_acpi_handle_t, 222 ACPI_NOTIFY_HANDLER, void *); 223 extern void cpu_acpi_remove_notify_handler(cpu_acpi_handle_t, 224 ACPI_NOTIFY_HANDLER); 225 extern int cpu_acpi_write_pdc(cpu_acpi_handle_t, uint32_t, uint32_t, 226 uint32_t *); 227 extern int cpu_acpi_write_port(ACPI_IO_ADDRESS, uint32_t, uint32_t); 228 extern int cpu_acpi_read_port(ACPI_IO_ADDRESS, uint32_t *, uint32_t); 229 extern void cpu_acpi_set_register(uint32_t, uint32_t); 230 extern void cpu_acpi_get_register(uint32_t, uint32_t *); 231 extern uint_t cpu_acpi_get_speeds(cpu_acpi_handle_t, int **); 232 extern uint_t cpu_acpi_get_max_cstates(cpu_acpi_handle_t); 233 extern void cpu_acpi_free_speeds(int *, uint_t); 234 extern cpu_acpi_handle_t cpu_acpi_init(cpu_t *); 235 extern void cpu_acpi_fini(cpu_acpi_handle_t); 236 237 #ifdef __cplusplus 238 } 239 #endif 240 241 #endif /* _CPU_ACPI_H */ 242