1 /*
2 * acpi_drivers.h ($Revision: 31 $)
3 *
4 * Copyright (C) 2001, 2002 Andy Grover <andrew.grover@intel.com>
5 * Copyright (C) 2001, 2002 Paul Diefenbaugh <paul.s.diefenbaugh@intel.com>
6 *
7 * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
8 *
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License, or (at
12 * your option) any later version.
13 *
14 * This program is distributed in the hope that it will be useful, but
15 * WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17 * General Public License for more details.
18 *
19 * You should have received a copy of the GNU General Public License along
20 * with this program; if not, write to the Free Software Foundation, Inc.,
21 * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
22 *
23 * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
24 */
25
26 #ifndef __ACPI_DRIVERS_H__
27 #define __ACPI_DRIVERS_H__
28
29 #include <linux/acpi.h>
30 #include <acpi/acpi_bus.h>
31
32 #define ACPI_MAX_STRING 80
33
34 /*
35 * Please update drivers/acpi/debug.c and Documentation/acpi/debug.txt
36 * if you add to this list.
37 */
38 #define ACPI_BUS_COMPONENT 0x00010000
39 #define ACPI_AC_COMPONENT 0x00020000
40 #define ACPI_BATTERY_COMPONENT 0x00040000
41 #define ACPI_BUTTON_COMPONENT 0x00080000
42 #define ACPI_SBS_COMPONENT 0x00100000
43 #define ACPI_FAN_COMPONENT 0x00200000
44 #define ACPI_PCI_COMPONENT 0x00400000
45 #define ACPI_POWER_COMPONENT 0x00800000
46 #define ACPI_CONTAINER_COMPONENT 0x01000000
47 #define ACPI_SYSTEM_COMPONENT 0x02000000
48 #define ACPI_THERMAL_COMPONENT 0x04000000
49 #define ACPI_MEMORY_DEVICE_COMPONENT 0x08000000
50 #define ACPI_VIDEO_COMPONENT 0x10000000
51 #define ACPI_PROCESSOR_COMPONENT 0x20000000
52
53 /*
54 * _HID definitions
55 * HIDs must conform to ACPI spec(6.1.4)
56 * Linux specific HIDs do not apply to this and begin with LNX:
57 */
58
59 #define ACPI_POWER_HID "LNXPOWER"
60 #define ACPI_PROCESSOR_OBJECT_HID "LNXCPU"
61 #define ACPI_SYSTEM_HID "LNXSYSTM"
62 #define ACPI_THERMAL_HID "LNXTHERM"
63 #define ACPI_BUTTON_HID_POWERF "LNXPWRBN"
64 #define ACPI_BUTTON_HID_SLEEPF "LNXSLPBN"
65 #define ACPI_VIDEO_HID "LNXVIDEO"
66 #define ACPI_BAY_HID "LNXIOBAY"
67 #define ACPI_DOCK_HID "LNXDOCK"
68 /* Quirk for broken IBM BIOSes */
69 #define ACPI_SMBUS_IBM_HID "SMBUSIBM"
70
71 /*
72 * For fixed hardware buttons, we fabricate acpi_devices with HID
73 * ACPI_BUTTON_HID_POWERF or ACPI_BUTTON_HID_SLEEPF. Fixed hardware
74 * signals only an event; it doesn't supply a notification value.
75 * To allow drivers to treat notifications from fixed hardware the
76 * same as those from real devices, we turn the events into this
77 * notification value.
78 */
79 #define ACPI_FIXED_HARDWARE_EVENT 0x100
80
81 /* --------------------------------------------------------------------------
82 PCI
83 -------------------------------------------------------------------------- */
84
85
86 /* ACPI PCI Interrupt Link (pci_link.c) */
87
88 int acpi_irq_penalty_init(void);
89 int acpi_pci_link_allocate_irq(acpi_handle handle, int index, int *triggering,
90 int *polarity, char **name);
91 int acpi_pci_link_free_irq(acpi_handle handle);
92
93 /* ACPI PCI Interrupt Routing (pci_irq.c) */
94
95 int acpi_pci_irq_add_prt(acpi_handle handle, struct pci_bus *bus);
96 void acpi_pci_irq_del_prt(struct pci_bus *bus);
97
98 /* ACPI PCI Device Binding (pci_bind.c) */
99
100 struct pci_bus;
101
102 struct pci_dev *acpi_get_pci_dev(acpi_handle);
103 int acpi_pci_bind_root(struct acpi_device *device);
104
105 /* Arch-defined function to add a bus to the system */
106
107 struct pci_bus *pci_acpi_scan_root(struct acpi_pci_root *root);
108 void pci_acpi_crs_quirks(void);
109
110 /* --------------------------------------------------------------------------
111 Processor
112 -------------------------------------------------------------------------- */
113
114 #define ACPI_PROCESSOR_LIMIT_NONE 0x00
115 #define ACPI_PROCESSOR_LIMIT_INCREMENT 0x01
116 #define ACPI_PROCESSOR_LIMIT_DECREMENT 0x02
117
118 /*--------------------------------------------------------------------------
119 Dock Station
120 -------------------------------------------------------------------------- */
121 struct acpi_dock_ops {
122 acpi_notify_handler handler;
123 acpi_notify_handler uevent;
124 };
125
126 #if defined(CONFIG_ACPI_DOCK) || defined(CONFIG_ACPI_DOCK_MODULE)
127 extern int is_dock_device(acpi_handle handle);
128 extern int register_dock_notifier(struct notifier_block *nb);
129 extern void unregister_dock_notifier(struct notifier_block *nb);
130 extern int register_hotplug_dock_device(acpi_handle handle,
131 struct acpi_dock_ops *ops,
132 void *context);
133 extern void unregister_hotplug_dock_device(acpi_handle handle);
134 #else
is_dock_device(acpi_handle handle)135 static inline int is_dock_device(acpi_handle handle)
136 {
137 return 0;
138 }
register_dock_notifier(struct notifier_block * nb)139 static inline int register_dock_notifier(struct notifier_block *nb)
140 {
141 return -ENODEV;
142 }
unregister_dock_notifier(struct notifier_block * nb)143 static inline void unregister_dock_notifier(struct notifier_block *nb)
144 {
145 }
register_hotplug_dock_device(acpi_handle handle,struct acpi_dock_ops * ops,void * context)146 static inline int register_hotplug_dock_device(acpi_handle handle,
147 struct acpi_dock_ops *ops,
148 void *context)
149 {
150 return -ENODEV;
151 }
unregister_hotplug_dock_device(acpi_handle handle)152 static inline void unregister_hotplug_dock_device(acpi_handle handle)
153 {
154 }
155 #endif
156
157 #endif /*__ACPI_DRIVERS_H__*/
158