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