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 2007 Sun Microsystems, Inc. All rights reserved.
23 * Use is subject to license terms.
24 */
25
26 #ifndef _SYS_PSM_COMMON_H
27 #define _SYS_PSM_COMMON_H
28
29 #pragma ident "%Z%%M% %I% %E% SMI"
30
31 #include <sys/types.h>
32 #include <sys/param.h>
33 #include <sys/cmn_err.h>
34 #include <sys/acpi/acpi.h>
35 #include <sys/acpica.h>
36
37 #include <sys/sunddi.h>
38 #include <sys/ddi.h>
39 #include <sys/ddi_impldefs.h>
40 #include <sys/pci.h>
41 #include <sys/debug.h>
42
43 #ifdef __cplusplus
44 extern "C" {
45 #endif
46
47
48 /* private data used in psm_common */
49 typedef struct acpi_prs_private {
50 uchar_t prs_irqflags;
51 uchar_t prs_type;
52 } acpi_prs_private_t;
53
54
55 typedef struct acpi_psm_lnk {
56 ACPI_HANDLE lnkobj;
57 acpi_prs_private_t acpi_prs_prv;
58 uchar_t device_status;
59 } acpi_psm_lnk_t;
60
61 typedef void (*intr_exit_fn_t)(int prev_ipl, int irq);
62
63 /*
64 * status definition for device_status (as returned by _STA)
65 */
66 #define STA_PRESENT 0x1
67 #define STA_ENABLE 0x2
68
69
70 /*
71 * irq_cache_t: Entry for irq cache to map pci bus/dev/ipin or ACPI object
72 * referencing an interrupt link device the configured irq for the device.
73 * It is assumed that the acpi object that references the link device is
74 * the same for all devices that reference the same link device.
75 */
76 typedef struct irq_cache {
77 uchar_t bus, dev;
78 uchar_t ipin;
79 uchar_t irq;
80 iflag_t flags;
81 ACPI_HANDLE lnkobj;
82 } irq_cache_t;
83
84
85 typedef struct acpi_irqlist {
86 acpi_prs_private_t acpi_prs_prv;
87 iflag_t intr_flags;
88 uint32_t *irqs;
89 int num_irqs;
90 struct acpi_irqlist *next;
91 } acpi_irqlist_t;
92
93
94 #define MAX_ISA_IRQ 15
95
96 #define ELCR_PORT1 0x4D0
97 #define ELCR_PORT2 0x4D1
98
99 #define ELCR_LEVEL(elcrval, irq) (elcrval & (0x1 << irq))
100 #define ELCR_EDGE(elcrval, irq) ((elcrval & (0x1 << irq)) == 0)
101
102
103 #define ACPI_PSM_SUCCESS 0
104 #define ACPI_PSM_FAILURE -1
105 #define ACPI_PSM_PARTIAL -2
106
107 /* verbose flags definitions */
108 #define PSM_VERBOSE_IRQ_FLAG 0x00000001
109 #define PSM_VERBOSE_POWEROFF_FLAG 0x00000002
110 #define PSM_VERBOSE_POWEROFF_PAUSE_FLAG 0x00000004
111
112 extern int acpi_psm_init(char *module_name, int verbose_flags);
113
114 extern void build_reserved_irqlist(uchar_t *reserved_irqs_table);
115
116 extern int acpi_translate_pci_irq(dev_info_t *dip, int ipin, int *pci_irqp,
117 iflag_t *intr_flagp, acpi_psm_lnk_t *acpipsmlnkp);
118
119 extern int acpi_set_irq_resource(acpi_psm_lnk_t *acpipsmlnkp, int irq);
120
121 extern int acpi_get_current_irq_resource(acpi_psm_lnk_t *acpipsmlnkp,
122 int *pci_irqp, iflag_t *intr_flagp);
123
124 extern int acpi_irqlist_find_irq(acpi_irqlist_t *irqlistp, int irq,
125 iflag_t *intr_flagp);
126
127 extern void acpi_free_irqlist(acpi_irqlist_t *irqlistp);
128
129 extern int acpi_get_possible_irq_resources(acpi_psm_lnk_t *acpipsmlnkp,
130 acpi_irqlist_t **irqlistp);
131
132 extern void acpi_new_irq_cache_ent(int bus, int dev, int ipin, int pci_irq,
133 iflag_t *intr_flagp, acpi_psm_lnk_t *acpipsmlnkp);
134
135 extern int acpi_get_irq_cache_ent(uchar_t bus, uchar_t dev, int ipin,
136 int *pci_irqp, iflag_t *intr_flagp);
137
138 extern void acpi_restore_link_devices(void);
139
140 extern int acpi_poweroff(void);
141
142 extern void psm_set_elcr(int vecno, int val);
143 extern int psm_get_elcr(int vecno);
144 extern intr_exit_fn_t psm_intr_exit_fn(void);
145
146 #ifdef __cplusplus
147 }
148 #endif
149
150 #endif /* _SYS_PSM_COMMON_H */