xref: /netbsd/sys/sys/pmf.h (revision d7bd9a61)
1 /* $NetBSD: pmf.h,v 1.25 2020/09/12 18:08:38 macallan Exp $ */
2 
3 /*-
4  * Copyright (c) 2007 Jared D. McNeill <jmcneill@invisible.ca>
5  * All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  *
16  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
17  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
18  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
19  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
20  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
21  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
22  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
23  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
24  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
25  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
26  * POSSIBILITY OF SUCH DAMAGE.
27  */
28 
29 #ifndef _SYS_PMF_H
30 #define _SYS_PMF_H
31 
32 #if defined(_KERNEL) || defined(_KMEMUSER)
33 
34 #include <sys/types.h>
35 #include <sys/device_if.h>
36 
37 typedef enum {
38 	PMFE_DISPLAY_ON,
39 	PMFE_DISPLAY_REDUCED,
40 	PMFE_DISPLAY_STANDBY,
41 	PMFE_DISPLAY_SUSPEND,
42 	PMFE_DISPLAY_OFF,
43 	PMFE_DISPLAY_BRIGHTNESS_UP,
44 	PMFE_DISPLAY_BRIGHTNESS_DOWN,
45 	PMFE_AUDIO_VOLUME_UP,
46 	PMFE_AUDIO_VOLUME_DOWN,
47 	PMFE_AUDIO_VOLUME_TOGGLE,
48 	PMFE_CHASSIS_LID_CLOSE,
49 	PMFE_CHASSIS_LID_OPEN,
50 	PMFE_RADIO_ON,
51 	PMFE_RADIO_OFF,
52 	PMFE_RADIO_TOGGLE,
53 	PMFE_POWER_CHANGED,
54 	PMFE_SPEED_CHANGED,
55 	PMFE_THROTTLE_ENABLE,
56 	PMFE_THROTTLE_DISABLE,
57 	PMFE_KEYBOARD_BRIGHTNESS_UP,
58 	PMFE_KEYBOARD_BRIGHTNESS_DOWN,
59 	PMFE_KEYBOARD_BRIGHTNESS_TOGGLE
60 } pmf_generic_event_t;
61 
62 struct pmf_qual {
63 	const device_suspensor_t	*pq_suspensor;
64 	devact_level_t			pq_actlvl;
65 };
66 
67 typedef struct pmf_qual pmf_qual_t;
68 #endif
69 
70 #if defined(_KERNEL)
71 extern const pmf_qual_t * const PMF_Q_NONE;
72 extern const pmf_qual_t * const PMF_Q_SELF;
73 extern const pmf_qual_t * const PMF_Q_DRVCTL;
74 
75 extern const device_suspensor_t
76     * const device_suspensor_self,
77     * const device_suspensor_system,
78     * const device_suspensor_drvctl;
79 
80 void	pmf_init(void);
81 
82 bool	pmf_event_inject(device_t, pmf_generic_event_t);
83 bool	pmf_event_register(device_t, pmf_generic_event_t,
84 			   void (*)(device_t), bool);
85 void	pmf_event_deregister(device_t, pmf_generic_event_t,
86 			     void (*)(device_t), bool);
87 
88 bool		pmf_set_platform(const char *, const char *);
89 const char	*pmf_get_platform(const char *);
90 
91 bool		pmf_system_resume(const pmf_qual_t *);
92 bool		pmf_system_bus_resume(const pmf_qual_t *);
93 bool		pmf_system_suspend(const pmf_qual_t *);
94 void		pmf_system_shutdown(int);
95 
96 bool		pmf_device_register1(device_t,
97 		    bool (*)(device_t, const pmf_qual_t *),
98 		    bool (*)(device_t, const pmf_qual_t *),
99 		    bool (*)(device_t, int));
100 /* compatibility */
101 #define pmf_device_register(__d, __s, __r) \
102 	pmf_device_register1((__d), (__s), (__r), NULL)
103 
104 void		pmf_device_deregister(device_t);
105 bool		pmf_device_suspend(device_t, const pmf_qual_t *);
106 bool		pmf_device_resume(device_t, const pmf_qual_t *);
107 
108 bool		pmf_device_recursive_suspend(device_t, const pmf_qual_t *);
109 bool		pmf_device_recursive_resume(device_t, const pmf_qual_t *);
110 bool		pmf_device_descendants_resume(device_t, const pmf_qual_t *);
111 bool		pmf_device_subtree_resume(device_t, const pmf_qual_t *);
112 
113 bool		pmf_device_descendants_release(device_t, const pmf_qual_t *);
114 bool		pmf_device_subtree_release(device_t, const pmf_qual_t *);
115 
116 struct ifnet;
117 void		pmf_class_network_register(device_t, struct ifnet *);
118 
119 bool		pmf_class_input_register(device_t);
120 bool		pmf_class_display_register(device_t);
121 
122 void		pmf_qual_recursive_copy(pmf_qual_t *, const pmf_qual_t *);
123 void		pmf_self_suspensor_init(device_t, device_suspensor_t *,
124 		    pmf_qual_t *);
125 
126 static __inline const device_suspensor_t *
pmf_qual_suspension(const pmf_qual_t * pq)127 pmf_qual_suspension(const pmf_qual_t *pq)
128 {
129 	return pq->pq_suspensor;
130 }
131 
132 static __inline devact_level_t
pmf_qual_depth(const pmf_qual_t * pq)133 pmf_qual_depth(const pmf_qual_t *pq)
134 {
135 	return pq->pq_actlvl;
136 }
137 
138 static __inline bool
pmf_qual_descend_ok(const pmf_qual_t * pq)139 pmf_qual_descend_ok(const pmf_qual_t *pq)
140 {
141 	return pq->pq_actlvl == DEVACT_LEVEL_FULL;
142 }
143 
144 #endif /* !_KERNEL */
145 
146 #endif /* !_SYS_PMF_H */
147