usr/src/uts/i86pc/sys/psm_common.h

   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 */