[linux-2.6-block.git] / include / acpi / acpi_drivers.h

/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
 *  acpi_drivers.h  ($Revision: 31 $)
 *
 *  Copyright (C) 2001, 2002 Andy Grover <andrew.grover@intel.com>
 *  Copyright (C) 2001, 2002 Paul Diefenbaugh <paul.s.diefenbaugh@intel.com>
 */

#ifndef __ACPI_DRIVERS_H__
#define __ACPI_DRIVERS_H__

#define ACPI_MAX_STRING			80

/*
 * _HID definitions
 * HIDs must conform to ACPI spec(6.1.4)
 * Linux specific HIDs do not apply to this and begin with LNX:
 */

#define ACPI_POWER_HID			"LNXPOWER"
#define ACPI_PROCESSOR_OBJECT_HID	"LNXCPU"
#define ACPI_SYSTEM_HID			"LNXSYSTM"
#define ACPI_THERMAL_HID		"LNXTHERM"
#define ACPI_BUTTON_HID_POWERF		"LNXPWRBN"
#define ACPI_BUTTON_HID_SLEEPF		"LNXSLPBN"
#define ACPI_VIDEO_HID			"LNXVIDEO"
#define ACPI_BAY_HID			"LNXIOBAY"
#define ACPI_DOCK_HID			"LNXDOCK"
#define ACPI_ECDT_HID			"LNXEC"
/* SMBUS HID definition as supported by Microsoft Windows */
#define ACPI_SMBUS_MS_HID		"SMB0001"
/* Quirk for broken IBM BIOSes */
#define ACPI_SMBUS_IBM_HID		"SMBUSIBM"

/*
 * For fixed hardware buttons, we fabricate acpi_devices with HID
 * ACPI_BUTTON_HID_POWERF or ACPI_BUTTON_HID_SLEEPF.  Fixed hardware
 * signals only an event; it doesn't supply a notification value.
 * To allow drivers to treat notifications from fixed hardware the
 * same as those from real devices, we turn the events into this
 * notification value.
 */
#define ACPI_FIXED_HARDWARE_EVENT	0x100

/* --------------------------------------------------------------------------
                                       PCI
   -------------------------------------------------------------------------- */


/* ACPI PCI Interrupt Link */

int acpi_irq_penalty_init(void);
int acpi_pci_link_allocate_irq(acpi_handle handle, int index, int *triggering,
			       int *polarity, char **name);
int acpi_pci_link_free_irq(acpi_handle handle);

/* ACPI PCI Device Binding */

struct pci_bus;

#ifdef CONFIG_PCI
struct pci_dev *acpi_get_pci_dev(acpi_handle);
#else
static inline struct pci_dev *acpi_get_pci_dev(acpi_handle handle)
{
	return NULL;
}
#endif

/* Arch-defined function to add a bus to the system */

struct pci_bus *pci_acpi_scan_root(struct acpi_pci_root *root);

#ifdef CONFIG_X86
void pci_acpi_crs_quirks(void);
#else
static inline void pci_acpi_crs_quirks(void) { }
#endif

/*--------------------------------------------------------------------------
                                  Dock Station
  -------------------------------------------------------------------------- */

#ifdef CONFIG_ACPI_DOCK
extern int is_dock_device(struct acpi_device *adev);
#else
static inline int is_dock_device(struct acpi_device *adev)
{
	return 0;
}
#endif /* CONFIG_ACPI_DOCK */

#endif /*__ACPI_DRIVERS_H__*/
Commit	Line	Data
c942fddf	1	/* SPDX-License-Identifier: GPL-2.0-or-later */
1da177e4 LT	2	/*
	3	* acpi_drivers.h ($Revision: 31 $)
	4	*
	5	* Copyright (C) 2001, 2002 Andy Grover <andrew.grover@intel.com>
	6	* Copyright (C) 2001, 2002 Paul Diefenbaugh <paul.s.diefenbaugh@intel.com>
1da177e4 LT	7	*/
	8
	9	#ifndef __ACPI_DRIVERS_H__
	10	#define __ACPI_DRIVERS_H__
	11
1da177e4 LT	12	#define ACPI_MAX_STRING 80
1da177e4 LT	13
8c8eb78f TR	14	/*
	15	* _HID definitions
	16	* HIDs must conform to ACPI spec(6.1.4)
	17	* Linux specific HIDs do not apply to this and begin with LNX:
	18	*/
1da177e4	19
8c8eb78f	20	#define ACPI_POWER_HID "LNXPOWER"
b9417f84	21	#define ACPI_PROCESSOR_OBJECT_HID "LNXCPU"
8c8eb78f TR	22	#define ACPI_SYSTEM_HID "LNXSYSTM"
	23	#define ACPI_THERMAL_HID "LNXTHERM"
	24	#define ACPI_BUTTON_HID_POWERF "LNXPWRBN"
	25	#define ACPI_BUTTON_HID_SLEEPF "LNXSLPBN"
	26	#define ACPI_VIDEO_HID "LNXVIDEO"
	27	#define ACPI_BAY_HID "LNXIOBAY"
a340af14	28	#define ACPI_DOCK_HID "LNXDOCK"
a64a62ce	29	#define ACPI_ECDT_HID "LNXEC"
bf6067a6 AS	30	/* SMBUS HID definition as supported by Microsoft Windows */
bf6067a6 AS	31	#define ACPI_SMBUS_MS_HID "SMB0001"
222e82ac DW	32	/* Quirk for broken IBM BIOSes */
222e82ac DW	33	#define ACPI_SMBUS_IBM_HID "SMBUSIBM"
8c8eb78f	34
46ec8598 BH	35	/*
	36	* For fixed hardware buttons, we fabricate acpi_devices with HID
	37	* ACPI_BUTTON_HID_POWERF or ACPI_BUTTON_HID_SLEEPF. Fixed hardware
	38	* signals only an event; it doesn't supply a notification value.
	39	* To allow drivers to treat notifications from fixed hardware the
	40	* same as those from real devices, we turn the events into this
	41	* notification value.
	42	*/
	43	#define ACPI_FIXED_HARDWARE_EVENT 0x100
	44
1da177e4 LT	45	/* --------------------------------------------------------------------------
	46	PCI
	47	-------------------------------------------------------------------------- */
	48
1da177e4	49
ec2a9cea	50	/* ACPI PCI Interrupt Link */
1da177e4	51
4be44fcd	52	int acpi_irq_penalty_init(void);
50eca3eb BM	53	int acpi_pci_link_allocate_irq(acpi_handle handle, int index, int *triggering,
50eca3eb BM	54	int polarity, char *name);
87bec66b	55	int acpi_pci_link_free_irq(acpi_handle handle);
1da177e4	56
ec2a9cea	57	/* ACPI PCI Device Binding */
1da177e4 LT	58
	59	struct pci_bus;
	60
5d32a665	61	#ifdef CONFIG_PCI
2f7bbceb	62	struct pci_dev *acpi_get_pci_dev(acpi_handle);
5d32a665 SK	63	#else
	64	static inline struct pci_dev *acpi_get_pci_dev(acpi_handle handle)
	65	{
	66	return NULL;
	67	}
	68	#endif
1da177e4 LT	69
	70	/* Arch-defined function to add a bus to the system */
	71
57283776	72	struct pci_bus pci_acpi_scan_root(struct acpi_pci_root root);
6b90f55f HG	73
6b90f55f HG	74	#ifdef CONFIG_X86
7bc5e3f2	75	void pci_acpi_crs_quirks(void);
6b90f55f HG	76	#else
	77	static inline void pci_acpi_crs_quirks(void) { }
	78	#endif
1da177e4	79
c8f7a62c LB	80	/*--------------------------------------------------------------------------
	81	Dock Station
	82	-------------------------------------------------------------------------- */
1253f7aa	83
e6c215f1	84	#ifdef CONFIG_ACPI_DOCK
3b52b21f	85	extern int is_dock_device(struct acpi_device *adev);
c8f7a62c	86	#else
3b52b21f	87	static inline int is_dock_device(struct acpi_device *adev)
d94d3dff AM	88	{
	89	return 0;
	90	}
e6c215f1	91	#endif /* CONFIG_ACPI_DOCK */
aafbcd16	92
1da177e4	93	#endif /__ACPI_DRIVERS_H__/