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
31 #include <acpica/include/acpi.h>
32 #include <acpica/include/accommon.h>
33 #include <acpica/include/acresrc.h>
34 #include <sys/acpica.h>
35
36 #ifdef __cplusplus
37 extern "C" {
38 #endif
39
40 /*
41 * P-state related macros
42 */
43 #define CPU_ACPI_PPC(sp) sp->cs_ppc
44 #define CPU_ACPI_PSD(sp) sp->cs_psd
45 #define CPU_ACPI_PCT(sp) sp->cs_pct
46 #define CPU_ACPI_PCT_CTRL(sp) &sp->cs_pct[0]
47 #define CPU_ACPI_PCT_STATUS(sp) &sp->cs_pct[1]
48 #define CPU_ACPI_PSTATES(sp) sp->cs_pstates.ss_states
49 #define CPU_ACPI_PSTATES_COUNT(sp) sp->cs_pstates.ss_count
50
51 #define CPU_ACPI_FREQ(pstate) pstate->ps_freq
52 #define CPU_ACPI_PSTATE_TRANSLAT(pstate) pstate->ps_translat
53 #define CPU_ACPI_PSTATE_CTRL(pstate) pstate->ps_ctrl
54
55 /*
56 * T-state related macros
57 */
58 #define CPU_ACPI_TPC(sp) sp->cs_tpc
59 #define CPU_ACPI_TSD(sp) sp->cs_tsd
60 #define CPU_ACPI_PTC(sp) sp->cs_ptc
61 #define CPU_ACPI_PTC_CTRL(sp) &sp->cs_ptc[0]
62 #define CPU_ACPI_PTC_STATUS(sp) &sp->cs_ptc[1]
63 #define CPU_ACPI_TSTATES(sp) sp->cs_tstates.ss_states
64 #define CPU_ACPI_TSTATES_COUNT(sp) sp->cs_tstates.ss_count
65
66 #define CPU_ACPI_FREQPER(tstate) tstate->ts_freqper
67 #define CPU_ACPI_TSTATE_TRANSLAT(tstate) tstate->ts_translat
68 #define CPU_ACPI_TSTATE_CTRL(tstate) tstate->ts_ctrl
69 #define CPU_ACPI_TSTATE_STAT(tstate) tstate->ts_state
70
71 /*
72 * C-state realted macros
73 */
74 #define CPU_ACPI_CSD(sp) sp->cs_csd
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 } cpu_acpi_state_t;
209
210 typedef cpu_acpi_state_t *cpu_acpi_handle_t;
211
212 extern void cpu_acpi_cache_ppc(cpu_acpi_handle_t);
213 extern void cpu_acpi_cache_tpc(cpu_acpi_handle_t);
214 extern int cpu_acpi_cache_pstate_data(cpu_acpi_handle_t);
215 extern void cpu_acpi_free_pstate_data(cpu_acpi_handle_t);
216 extern int cpu_acpi_cache_tstate_data(cpu_acpi_handle_t);
217 extern void cpu_acpi_free_tstate_data(cpu_acpi_handle_t);
218 extern int cpu_acpi_cache_cstate_data(cpu_acpi_handle_t);
219 extern void cpu_acpi_free_cstate_data(cpu_acpi_handle_t);
220 extern void cpu_acpi_install_notify_handler(cpu_acpi_handle_t,
221 ACPI_NOTIFY_HANDLER, void *);
222 extern void cpu_acpi_remove_notify_handler(cpu_acpi_handle_t,
223 ACPI_NOTIFY_HANDLER);
224 extern int cpu_acpi_write_pdc(cpu_acpi_handle_t, uint32_t, uint32_t,
225 uint32_t *);
226 extern int cpu_acpi_write_port(ACPI_IO_ADDRESS, uint32_t, uint32_t);
227 extern int cpu_acpi_read_port(ACPI_IO_ADDRESS, uint32_t *, uint32_t);
228 extern void cpu_acpi_set_register(uint32_t, uint32_t);
229 extern void cpu_acpi_get_register(uint32_t, uint32_t *);
230 extern uint_t cpu_acpi_get_speeds(cpu_acpi_handle_t, int **);
231 extern uint_t cpu_acpi_get_max_cstates(cpu_acpi_handle_t);
232 extern void cpu_acpi_free_speeds(int *, uint_t);
233 extern cpu_acpi_handle_t cpu_acpi_init(cpu_t *);
234 extern void cpu_acpi_fini(cpu_acpi_handle_t);
235
236 #ifdef __cplusplus
237 }
238 #endif
239
240 #endif /* _CPU_ACPI_H */