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      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 /*
     23  * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
     24  * Use is subject to license terms.
     25  */
     26 
     27 #ifndef _HOTKEY_DRV_H
     28 #define	_HOTKEY_DRV_H
     29 
     30 #ifdef	__cplusplus
     31 extern "C" {
     32 #endif
     33 
     34 #include <sys/types.h>
     35 #include <sys/conf.h>
     36 #include <sys/stat.h>
     37 #include <sys/note.h>
     38 #include <sys/modctl.h>
     39 #include <sys/ddi.h>
     40 #include <sys/sunddi.h>
     41 #include <sys/acpi/acpi.h>
     42 #include <sys/acpica.h>
     43 #include <sys/sysevent/eventdefs.h>
     44 #include <sys/acpi_drv.h>
     45 
     46 
     47 #define	ID_LEN		9
     48 
     49 struct acpi_drv_dev {
     50 	ACPI_HANDLE hdl;
     51 	char hid[ID_LEN];	/* ACPI HardwareId */
     52 	char uid[ID_LEN];	/* ACPI UniqueId */
     53 	ACPI_INTEGER adr;	/* Bus device Id */
     54 	int valid;		/* the device state is valid */
     55 
     56 	/*
     57 	 * Unlike most other devices, when a battery is inserted or
     58 	 * removed from the system, the device itself(the battery bay)
     59 	 * is still considered to be present in the system.
     60 	 *
     61 	 * Value:
     62 	 *    0 -- Off-line
     63 	 *    1 -- On-line
     64 	 *   -1 -- Unknown
     65 	 */
     66 	int present;
     67 	enum acpi_drv_type type;
     68 	int index;	/* device index */
     69 	int minor;
     70 };
     71 
     72 /*
     73  * hotkey driver soft-state structure
     74  */
     75 typedef struct hotkey_drv {
     76 	struct acpi_drv_dev	dev;
     77 	dev_info_t		*dip;
     78 	void			*private;	/* Vendor specific structure */
     79 	kmutex_t		*hotkey_lock;
     80 	int			hotkey_method;
     81 	int			modid;
     82 	int			(*vendor_ioctl)(struct hotkey_drv *,
     83 				    int cmd, intptr_t arg, int mode,
     84 				    cred_t *cr, int *rval);
     85 	int			(*vendor_fini)(struct hotkey_drv *);
     86 	boolean_t		check_acpi_video;
     87 	void			*acpi_video;
     88 } hotkey_drv_t;
     89 
     90 /*
     91  * Collection of vendor specific hotkey support
     92  */
     93 struct vendor_hotkey_drv {
     94 	const char		*vid;
     95 	const char		*module;
     96 	boolean_t		enable;
     97 };
     98 
     99 #define	HOTKEY_DRV_OK			0
    100 #define	HOTKEY_DRV_ERR			-1
    101 #define	HOTKEY_DBG_NOTICE		0x8000
    102 #define	HOTKEY_DBG_WARN			0x0001
    103 
    104 #define	HOTKEY_METHOD_NONE		0x0
    105 #define	HOTKEY_METHOD_VENDOR		0x1
    106 #define	HOTKEY_METHOD_ACPI_VIDEO	0x2
    107 #define	HOTKEY_METHOD_MISC		(HOTKEY_METHOD_VENDOR | \
    108 					HOTKEY_METHOD_ACPI_VIDEO)
    109 /*
    110  * Inter-source-file linkage ...
    111  */
    112 extern struct hotkey_drv acpi_hotkey;
    113 extern int hotkey_drv_debug;
    114 int acpi_drv_set_int(ACPI_HANDLE dev, char *method, uint32_t aint);
    115 void acpi_drv_gen_sysevent(struct acpi_drv_dev *devp, char *ev, uint32_t val);
    116 int acpi_drv_dev_init(struct acpi_drv_dev *p);
    117 
    118 int hotkey_init(hotkey_drv_t *htkp);
    119 int hotkey_fini(hotkey_drv_t *htkp);
    120 int acpi_drv_hotkey_ioctl(int cmd, intptr_t arg, int mode, cred_t *cr,
    121     int *rval);
    122 int acpi_video_ioctl(void *vidp, int cmd, intptr_t arg, int mode, cred_t *cr,
    123     int *rval);
    124 int hotkey_brightness_inc(hotkey_drv_t *htkp);
    125 int hotkey_brightness_dec(hotkey_drv_t *htkp);
    126 void hotkey_drv_gen_sysevent(dev_info_t *, char *);
    127 
    128 #ifdef	__cplusplus
    129 }
    130 #endif
    131 
    132 #endif /* _HOTKEY_DRV_H */
    133