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acpivar.h revision 1.66
      1 /*	$NetBSD: acpivar.h,v 1.66 2011/01/13 05:14:48 jruoho Exp $	*/
      2 
      3 /*
      4  * Copyright 2001 Wasabi Systems, Inc.
      5  * All rights reserved.
      6  *
      7  * Written by Jason R. Thorpe for Wasabi Systems, Inc.
      8  *
      9  * Redistribution and use in source and binary forms, with or without
     10  * modification, are permitted provided that the following conditions
     11  * are met:
     12  * 1. Redistributions of source code must retain the above copyright
     13  *    notice, this list of conditions and the following disclaimer.
     14  * 2. Redistributions in binary form must reproduce the above copyright
     15  *    notice, this list of conditions and the following disclaimer in the
     16  *    documentation and/or other materials provided with the distribution.
     17  * 3. All advertising materials mentioning features or use of this software
     18  *    must display the following acknowledgement:
     19  *	This product includes software developed for the NetBSD Project by
     20  *	Wasabi Systems, Inc.
     21  * 4. The name of Wasabi Systems, Inc. may not be used to endorse
     22  *    or promote products derived from this software without specific prior
     23  *    written permission.
     24  *
     25  * THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND
     26  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     27  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     28  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL WASABI SYSTEMS, INC
     29  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     30  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     31  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     32  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     33  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     34  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     35  * POSSIBILITY OF SUCH DAMAGE.
     36  */
     37 
     38 #ifndef _SYS_DEV_ACPI_ACPIVAR_H
     39 #define _SYS_DEV_ACPI_ACPIVAR_H
     40 
     41 /*
     42  * This file defines the ACPI interface provided to the rest of the
     43  * kernel, as well as the autoconfiguration structures for ACPI
     44  * support.
     45  */
     46 
     47 #include <sys/bus.h>
     48 #include <dev/pci/pcivar.h>
     49 #include <dev/isa/isavar.h>
     50 
     51 #include <dev/acpi/acpica.h>
     52 #include <dev/acpi/acpi_util.h>
     53 
     54 #include <dev/sysmon/sysmonvar.h>
     55 
     56 /*
     57  * This structure is used to attach the ACPI "bus".
     58  */
     59 struct acpibus_attach_args {
     60 	bus_space_tag_t		 aa_iot;	/* PCI I/O space tag */
     61 	bus_space_tag_t		 aa_memt;	/* PCI MEM space tag */
     62 	pci_chipset_tag_t	 aa_pc;		/* PCI chipset */
     63 	int			 aa_pciflags;	/* PCI bus flags */
     64 	isa_chipset_tag_t	 aa_ic;		/* ISA chipset */
     65 };
     66 
     67 /*
     68  * PCI information for ACPI device nodes that correspond to PCI devices.
     69  *
     70  * Remarks:
     71  *
     72  *	ap_bus		<= 255
     73  *	ap_device	<= 31
     74  *	ap_function	<= 7		or	ap_function == 0xFFFF
     75  *	ap_downbus	<= 255
     76  *
     77  * Validity of some fields depends on the value of ap_flags:
     78  *
     79  *	ap_segment				always valid
     80  *	ap_bus, ap_device, ap_function		valid for PCI devices
     81  *	ap_downbus				valid for PCI bridges
     82  *
     83  * The device and function numbers are encoded in the value returned by
     84  * _ADR.  A function number of 0xFFFF is used to refer to all the
     85  * functions on a PCI device (ACPI 4.0a, p. 200).
     86  */
     87 struct acpi_pci_info {
     88 	uint16_t		 ap_flags;	/* Flags (cf. below) */
     89 	uint16_t		 ap_segment;	/* PCI segment group */
     90 	uint16_t		 ap_bus;	/* PCI bus */
     91 	uint16_t		 ap_device;	/* PCI device */
     92 	uint16_t		 ap_function;	/* PCI function */
     93 	uint16_t		 ap_downbus;	/* PCI bridge downstream bus */
     94 };
     95 
     96 /*
     97  * Flags for PCI information.
     98  */
     99 #define ACPI_PCI_INFO_DEVICE	__BIT(0)	/* PCI device */
    100 #define ACPI_PCI_INFO_BRIDGE	__BIT(1)	/* PCI bridge */
    101 
    102 /*
    103  * An ACPI device node.
    104  *
    105  * Remarks:
    106  *
    107  *	ad_device	NULL if no device has attached to the node
    108  *	ad_root		never NULL
    109  *	ad_parent	only NULL if root of the tree ("\")
    110  *	ad_pciinfo	NULL if not a PCI device
    111  *	ad_notify	NULL if there is no notify handler
    112  *	ad_devinfo	never NULL
    113  *	ad_handle	never NULL
    114  *
    115  * Each ACPI device node is associated with its handle. The function
    116  * acpi_get_node() can be used to get the node structure from a handle.
    117  */
    118 struct acpi_devnode {
    119 	device_t		 ad_device;	/* Device */
    120 	device_t		 ad_root;	/* Backpointer to acpi_softc */
    121 	struct acpi_devnode	*ad_parent;	/* Backpointer to parent */
    122 	struct acpi_pci_info	*ad_pciinfo;	/* PCI info */
    123 	ACPI_NOTIFY_HANDLER	 ad_notify;	/* Device notify */
    124 	ACPI_DEVICE_INFO	*ad_devinfo;	/* Device info */
    125 	ACPI_HANDLE		 ad_handle;	/* Device handle */
    126 	char			 ad_name[5];	/* Device name */
    127 	uint32_t		 ad_flags;	/* Device flags */
    128 	uint32_t		 ad_type;	/* Device type */
    129 	int			 ad_state;	/* Device power state */
    130 	int			 ad_wake;	/* Device wakeup */
    131 
    132 	SIMPLEQ_ENTRY(acpi_devnode)	ad_list;
    133 	SIMPLEQ_ENTRY(acpi_devnode)	ad_child_list;
    134 	SIMPLEQ_HEAD(, acpi_devnode)	ad_child_head;
    135 };
    136 
    137 /*
    138  * ACPI driver capabilities (ad_flags).
    139  */
    140 #define ACPI_DEVICE_POWER	__BIT(0)	/* Support for D-states  */
    141 #define ACPI_DEVICE_WAKEUP	__BIT(1)	/* Support for wake-up */
    142 #define ACPI_DEVICE_EJECT	__BIT(2)	/* Support for "ejection" */
    143 #define ACPI_DEVICE_DOCK	__BIT(3)	/* Support for docking */
    144 
    145 /*
    146  * Software state of the ACPI subsystem.
    147  */
    148 struct acpi_softc {
    149 	device_t		 sc_dev;	/* base device info */
    150 	device_t		 sc_apmbus;	/* APM pseudo-bus */
    151 
    152 	struct acpi_devnode	*sc_root;	/* root of the device tree */
    153 
    154 	bus_space_tag_t		 sc_iot;	/* PCI I/O space tag */
    155 	bus_space_tag_t		 sc_memt;	/* PCI MEM space tag */
    156 	pci_chipset_tag_t	 sc_pc;		/* PCI chipset tag */
    157 	int			 sc_pciflags;	/* PCI bus flags */
    158 	int			 sc_pci_bus;	/* internal PCI fixup */
    159 	isa_chipset_tag_t	 sc_ic;		/* ISA chipset tag */
    160 
    161 	void			*sc_sdhook;	/* shutdown hook */
    162 
    163 	int			 sc_quirks;
    164 	int			 sc_sleepstate;
    165 	int			 sc_sleepstates;
    166 
    167 	struct sysmon_pswitch	 sc_smpsw_power;
    168 	struct sysmon_pswitch	 sc_smpsw_sleep;
    169 
    170 	SIMPLEQ_HEAD(, acpi_devnode)	ad_head;
    171 };
    172 
    173 /*
    174  * acpi_attach_args:
    175  *
    176  *	Used to attach a device instance to the acpi "bus".
    177  */
    178 struct acpi_attach_args {
    179 	struct acpi_devnode *aa_node;	/* ACPI device node */
    180 	bus_space_tag_t aa_iot;		/* PCI I/O space tag */
    181 	bus_space_tag_t aa_memt;	/* PCI MEM space tag */
    182 	pci_chipset_tag_t aa_pc;	/* PCI chipset tag */
    183 	int aa_pciflags;		/* PCI bus flags */
    184 	isa_chipset_tag_t aa_ic;	/* ISA chipset */
    185 };
    186 
    187 /*
    188  * ACPI resources:
    189  *
    190  *	acpi_io		I/O ports
    191  *	acpi_iorange	I/O port range
    192  *	acpi_mem	memory region
    193  *	acpi_memrange	memory range
    194  *	acpi_irq	Interrupt Request
    195  *	acpi_drq	DMA request
    196  */
    197 struct acpi_io {
    198 	SIMPLEQ_ENTRY(acpi_io) ar_list;
    199 	int		ar_index;
    200 	uint32_t	ar_base;
    201 	uint32_t	ar_length;
    202 };
    203 
    204 struct acpi_iorange {
    205 	SIMPLEQ_ENTRY(acpi_iorange) ar_list;
    206 	int		ar_index;
    207 	uint32_t	ar_low;
    208 	uint32_t	ar_high;
    209 	uint32_t	ar_length;
    210 	uint32_t	ar_align;
    211 };
    212 
    213 struct acpi_mem {
    214 	SIMPLEQ_ENTRY(acpi_mem) ar_list;
    215 	int		ar_index;
    216 	uint32_t	ar_base;
    217 	uint32_t	ar_length;
    218 };
    219 
    220 struct acpi_memrange {
    221 	SIMPLEQ_ENTRY(acpi_memrange) ar_list;
    222 	int		ar_index;
    223 	uint32_t	ar_low;
    224 	uint32_t	ar_high;
    225 	uint32_t	ar_length;
    226 	uint32_t	ar_align;
    227 };
    228 
    229 struct acpi_irq {
    230 	SIMPLEQ_ENTRY(acpi_irq) ar_list;
    231 	int		ar_index;
    232 	uint32_t	ar_irq;
    233 	uint32_t	ar_type;
    234 };
    235 
    236 struct acpi_drq {
    237 	SIMPLEQ_ENTRY(acpi_drq) ar_list;
    238 	int		ar_index;
    239 	uint32_t	ar_drq;
    240 };
    241 
    242 struct acpi_resources {
    243 	SIMPLEQ_HEAD(, acpi_io) ar_io;
    244 	int ar_nio;
    245 
    246 	SIMPLEQ_HEAD(, acpi_iorange) ar_iorange;
    247 	int ar_niorange;
    248 
    249 	SIMPLEQ_HEAD(, acpi_mem) ar_mem;
    250 	int ar_nmem;
    251 
    252 	SIMPLEQ_HEAD(, acpi_memrange) ar_memrange;
    253 	int ar_nmemrange;
    254 
    255 	SIMPLEQ_HEAD(, acpi_irq) ar_irq;
    256 	int ar_nirq;
    257 
    258 	SIMPLEQ_HEAD(, acpi_drq) ar_drq;
    259 	int ar_ndrq;
    260 };
    261 
    262 /*
    263  * acpi_resource_parse_ops:
    264  *
    265  *	The client of ACPI resources specifies these operations
    266  *	when the resources are parsed.
    267  */
    268 struct acpi_resource_parse_ops {
    269 	void	(*init)(device_t, void *, void **);
    270 	void	(*fini)(device_t, void *);
    271 
    272 	void	(*ioport)(device_t, void *, uint32_t, uint32_t);
    273 	void	(*iorange)(device_t, void *, uint32_t, uint32_t,
    274 		    uint32_t, uint32_t);
    275 
    276 	void	(*memory)(device_t, void *, uint32_t, uint32_t);
    277 	void	(*memrange)(device_t, void *, uint32_t, uint32_t,
    278 		    uint32_t, uint32_t);
    279 
    280 	void	(*irq)(device_t, void *, uint32_t, uint32_t);
    281 	void	(*drq)(device_t, void *, uint32_t);
    282 
    283 	void	(*start_dep)(device_t, void *, int);
    284 	void	(*end_dep)(device_t, void *);
    285 };
    286 
    287 extern struct acpi_softc *acpi_softc;
    288 extern int acpi_active;
    289 
    290 extern const struct acpi_resource_parse_ops acpi_resource_parse_ops_default;
    291 
    292 int		acpi_probe(void);
    293 void		acpi_disable(void);
    294 int		acpi_check(device_t, const char *);
    295 
    296 ACPI_PHYSICAL_ADDRESS	acpi_OsGetRootPointer(void);
    297 
    298 bool		acpi_register_notify(struct acpi_devnode *,
    299 				     ACPI_NOTIFY_HANDLER);
    300 void		acpi_deregister_notify(struct acpi_devnode *);
    301 
    302 ACPI_STATUS	acpi_resource_parse(device_t, ACPI_HANDLE, const char *,
    303 		    void *, const struct acpi_resource_parse_ops *);
    304 void		acpi_resource_print(device_t, struct acpi_resources *);
    305 void		acpi_resource_cleanup(struct acpi_resources *);
    306 
    307 void *		acpi_pci_link_devbyhandle(ACPI_HANDLE);
    308 void		acpi_pci_link_add_reference(void *, int, int, int, int);
    309 int		acpi_pci_link_route_interrupt(void *, int, int *, int *, int *);
    310 char *		acpi_pci_link_name(void *);
    311 ACPI_HANDLE	acpi_pci_link_handle(void *);
    312 void		acpi_pci_link_state(void);
    313 void		acpi_pci_link_resume(void);
    314 
    315 struct acpi_io		*acpi_res_io(struct acpi_resources *, int);
    316 struct acpi_iorange	*acpi_res_iorange(struct acpi_resources *, int);
    317 struct acpi_mem		*acpi_res_mem(struct acpi_resources *, int);
    318 struct acpi_memrange	*acpi_res_memrange(struct acpi_resources *, int);
    319 struct acpi_irq		*acpi_res_irq(struct acpi_resources *, int);
    320 struct acpi_drq		*acpi_res_drq(struct acpi_resources *, int);
    321 
    322 /*
    323  * Sleep state transition.
    324  */
    325 void			acpi_enter_sleep_state(int);
    326 
    327 /*
    328  * MADT.
    329  */
    330 #define ACPI_PLATFORM_INT_PMI	1
    331 #define ACPI_PLATFORM_INT_INIT	2
    332 #define ACPI_PLATFORM_INT_CERR	3
    333 
    334 ACPI_STATUS		acpi_madt_map(void);
    335 void			acpi_madt_unmap(void);
    336 void			acpi_madt_walk(ACPI_STATUS (*)(ACPI_SUBTABLE_HEADER *,
    337 				       void *), void *);
    338 
    339 /*
    340  * Quirk handling.
    341  */
    342 struct acpi_quirk {
    343 	const char *aq_tabletype; /* what type of table (FADT, DSDT, etc) */
    344 	const char *aq_oemid;	/* compared against the table OemId */
    345 	int aq_oemrev;		/* compared against the table OemRev */
    346 	int aq_cmpop;		/* how to compare the oemrev number */
    347 	const char *aq_tabid;	/* compared against the table TableId */
    348 	int aq_quirks;		/* the actual quirks */
    349 };
    350 
    351 #define ACPI_QUIRK_BROKEN	0x00000001	/* totally broken */
    352 #define ACPI_QUIRK_BADPCI	0x00000002	/* bad PCI hierarchy */
    353 #define ACPI_QUIRK_BADBBN	0x00000004	/* _BBN broken */
    354 #define ACPI_QUIRK_IRQ0		0x00000008	/* bad 0->2 irq override */
    355 #define ACPI_QUIRK_OLDBIOS	0x00000010	/* BIOS date blacklisted */
    356 
    357 int acpi_find_quirks(void);
    358 
    359 #ifdef ACPI_DEBUG
    360 void acpi_debug_init(void);
    361 #endif
    362 
    363 /*
    364  * Misc routines with vectors updated by acpiverbose module.
    365  */
    366 extern void	(*acpi_print_verbose)(struct acpi_softc *);
    367 extern void	(*acpi_print_dev)(const char *);
    368 
    369 void		acpi_load_verbose(void);
    370 extern int	acpi_verbose_loaded;
    371 
    372 #endif	/* !_SYS_DEV_ACPI_ACPIVAR_H */
    373