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 /*
23 * Copyright 2007 Sun Microsystems, Inc. All rights reserved.
24 * Use is subject to license terms.
25 * Copyright 2013 Nexenta Systems, Inc. All rights reserved.
26 */
27
28 #ifndef _SYS_PSM_COMMON_H
29 #define _SYS_PSM_COMMON_H
30
31 #include <sys/types.h>
32 #include <sys/param.h>
33 #include <sys/cmn_err.h>
34
35 #include <acpica/include/acpi.h>
36 #include <sys/acpica.h>
37
38 #include <sys/sunddi.h>
39 #include <sys/ddi.h>
40 #include <sys/ddi_impldefs.h>
41 #include <sys/pci.h>
42 #include <sys/debug.h>
43
44 #ifdef __cplusplus
45 extern "C" {
46 #endif
47
48
49 /* private data used in psm_common */
50 typedef struct acpi_prs_private {
51 uchar_t prs_irqflags;
52 uchar_t prs_type;
53 } acpi_prs_private_t;
54
55
56 typedef struct acpi_psm_lnk {
57 ACPI_HANDLE lnkobj;
58 acpi_prs_private_t acpi_prs_prv;
59 uchar_t device_status;
60 } acpi_psm_lnk_t;
61
62 typedef void (*intr_exit_fn_t)(int prev_ipl, int irq);
63
64 /*
65 * status definition for device_status (as returned by _STA)
66 */
67 #define STA_PRESENT 0x1
68 #define STA_ENABLE 0x2
69
70
71 /*
72 * irq_cache_t: Entry for irq cache to map pci bus/dev/ipin or ACPI object
73 * referencing an interrupt link device the configured irq for the device.
74 * It is assumed that the acpi object that references the link device is
75 * the same for all devices that reference the same link device.
76 */
77 typedef struct irq_cache {
78 uchar_t bus, dev;
79 uchar_t ipin;
80 uchar_t irq;
81 iflag_t flags;
82 ACPI_HANDLE lnkobj;
83 } irq_cache_t;
84
85
86 typedef struct acpi_irqlist {
87 acpi_prs_private_t acpi_prs_prv;
88 iflag_t intr_flags;
89 uint32_t *irqs;
90 int num_irqs;
91 struct acpi_irqlist *next;
92 } acpi_irqlist_t;
93
94
95 #define MAX_ISA_IRQ 15
96
97 #define ELCR_PORT1 0x4D0
98 #define ELCR_PORT2 0x4D1
99
100 #define ELCR_LEVEL(elcrval, irq) (elcrval & (0x1 << irq))
101 #define ELCR_EDGE(elcrval, irq) ((elcrval & (0x1 << irq)) == 0)
102
103
104 #define ACPI_PSM_SUCCESS 0
105 #define ACPI_PSM_FAILURE -1
106 #define ACPI_PSM_PARTIAL -2
107
108 /* verbose flags definitions */
109 #define PSM_VERBOSE_IRQ_FLAG 0x00000001
110 #define PSM_VERBOSE_POWEROFF_FLAG 0x00000002
111 #define PSM_VERBOSE_POWEROFF_PAUSE_FLAG 0x00000004
112
113 extern int acpi_psm_init(char *module_name, int verbose_flags);
114
115 extern void build_reserved_irqlist(uchar_t *reserved_irqs_table);
116
117 extern int acpi_translate_pci_irq(dev_info_t *dip, int ipin, int *pci_irqp,
118 iflag_t *intr_flagp, acpi_psm_lnk_t *acpipsmlnkp);
119
120 extern int acpi_set_irq_resource(acpi_psm_lnk_t *acpipsmlnkp, int irq);
121
122 extern int acpi_get_current_irq_resource(acpi_psm_lnk_t *acpipsmlnkp,
123 int *pci_irqp, iflag_t *intr_flagp);
124
125 extern int acpi_irqlist_find_irq(acpi_irqlist_t *irqlistp, int irq,
126 iflag_t *intr_flagp);
127
128 extern void acpi_free_irqlist(acpi_irqlist_t *irqlistp);
129
130 extern int acpi_get_possible_irq_resources(acpi_psm_lnk_t *acpipsmlnkp,
131 acpi_irqlist_t **irqlistp);
132
133 extern void acpi_new_irq_cache_ent(int bus, int dev, int ipin, int pci_irq,
134 iflag_t *intr_flagp, acpi_psm_lnk_t *acpipsmlnkp);
135
136 extern int acpi_get_irq_cache_ent(uchar_t bus, uchar_t dev, int ipin,
137 int *pci_irqp, iflag_t *intr_flagp);
138
139 extern void acpi_restore_link_devices(void);
140
141 extern int acpi_poweroff(void);
142
143 extern void psm_set_elcr(int vecno, int val);
144 extern int psm_get_elcr(int vecno);
145 extern intr_exit_fn_t psm_intr_exit_fn(void);
146
147 #ifdef __cplusplus
148 }
149 #endif
150
151 #endif /* _SYS_PSM_COMMON_H */