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