1 /* Based on hw/xfree86/os-support/bsd/bsd_apm.c which bore no explicit
2  * copyright notice, so is covered by the following notice:
3  *
4  * Copyright (C) 1994-2003 The XFree86 Project, Inc.  All Rights Reserved.
5  *
6  * Permission is hereby granted, free of charge, to any person obtaining a
7  * copy of this software and associated documentation files (the "Software"),
8  * to deal in the Software without restriction, including without limitation
9  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
10  * and/or sell copies of the Software, and to permit persons to whom the
11  * Software is furnished to do so, subject to the following conditions:
12  *
13  * The above copyright notice and this permission notice shall be included in
14  * all copies or substantial portions of the Software.
15  *
16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
19  * THE XFREE86 PROJECT BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
20  * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
21  * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
22  * SOFTWARE.
23  *
24  * Except as contained in this notice, the name of the XFree86 Project shall
25  * not be used in advertising or otherwise to promote the sale, use or other
26  * dealings in this Software without prior written authorization from the
27  * XFree86 Project.
28  */
29 
30 /* Copyright (c) 2005, Oracle and/or its affiliates. All rights reserved.
31  *
32  * Permission is hereby granted, free of charge, to any person obtaining a
33  * copy of this software and associated documentation files (the "Software"),
34  * to deal in the Software without restriction, including without limitation
35  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
36  * and/or sell copies of the Software, and to permit persons to whom the
37  * Software is furnished to do so, subject to the following conditions:
38  *
39  * The above copyright notice and this permission notice (including the next
40  * paragraph) shall be included in all copies or substantial portions of the
41  * Software.
42  *
43  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
44  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
45  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
46  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
47  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
48  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
49  * DEALINGS IN THE SOFTWARE.
50  */
51 
52 #ifdef HAVE_XORG_CONFIG_H
53 #include <xorg-config.h>
54 #endif
55 
56 #include <X11/X.h>
57 #include "os.h"
58 #include "xf86.h"
59 #include "xf86Priv.h"
60 #define XF86_OS_PRIVS
61 #include "xf86_OSproc.h"
62 #include "xf86_OSlib.h"
63 
64 #ifndef PLEASE_FIX_THIS
65 #define APM_STANDBY_REQ 0xa01
66 #define APM_SUSPEND_REQ 0xa02
67 #define APM_NORMAL_RESUME 0xa03
68 #define APM_CRIT_RESUME 0xa04
69 #define APM_BATTERY_LOW 0xa05
70 #define APM_POWER_CHANGE 0xa06
71 #define APM_UPDATE_TIME 0xa07
72 #define APM_CRIT_SUSPEND_REQ 0xa08
73 #define APM_USER_STANDBY_REQ 0xa09
74 #define APM_USER_SUSPEND_REQ 0xa0a
75 #define APM_SYS_STANDBY_RESUME 0xa0b
76 #define APM_IOC_NEXTEVENT 0xa0c
77 #define APM_IOC_RESUME 0xa0d
78 #define APM_IOC_SUSPEND 0xa0e
79 #define APM_IOC_STANDBY 0xa0f
80 #endif
81 
82 typedef struct apm_event_info {
83     int type;
84 } apm_event_info;
85 
86 /*
87  This may be replaced with a better device name
88  very soon...
89 */
90 #define APM_DEVICE "/dev/srn"
91 #define APM_DEVICE1 "/dev/apm"
92 
93 static void *APMihPtr = NULL;
94 static void sunCloseAPM(void);
95 
96 static struct {
97     u_int apmBsd;
98     pmEvent xf86;
99 } sunToXF86Array[] = {
100     {APM_STANDBY_REQ, XF86_APM_SYS_STANDBY},
101     {APM_SUSPEND_REQ, XF86_APM_SYS_SUSPEND},
102     {APM_NORMAL_RESUME, XF86_APM_NORMAL_RESUME},
103     {APM_CRIT_RESUME, XF86_APM_CRITICAL_RESUME},
104     {APM_BATTERY_LOW, XF86_APM_LOW_BATTERY},
105     {APM_POWER_CHANGE, XF86_APM_POWER_STATUS_CHANGE},
106     {APM_UPDATE_TIME, XF86_APM_UPDATE_TIME},
107     {APM_CRIT_SUSPEND_REQ, XF86_APM_CRITICAL_SUSPEND},
108     {APM_USER_STANDBY_REQ, XF86_APM_USER_STANDBY},
109     {APM_USER_SUSPEND_REQ, XF86_APM_USER_SUSPEND},
110     {APM_SYS_STANDBY_RESUME, XF86_APM_STANDBY_RESUME},
111 #ifdef APM_CAPABILITY_CHANGE
112     {APM_CAPABILITY_CHANGE, XF86_APM_CAPABILITY_CHANGED},
113 #endif
114 };
115 
116 static pmEvent
sunToXF86(int type)117 sunToXF86(int type)
118 {
119     int i;
120 
121     for (i = 0; i < ARRAY_SIZE(sunToXF86Array); i++) {
122         if (type == sunToXF86Array[i].apmBsd) {
123             return sunToXF86Array[i].xf86;
124         }
125     }
126     return XF86_APM_UNKNOWN;
127 }
128 
129 /*
130  * APM events can be requested directly from /dev/apm
131  */
132 static int
sunPMGetEventFromOS(int fd,pmEvent * events,int num)133 sunPMGetEventFromOS(int fd, pmEvent * events, int num)
134 {
135     struct apm_event_info sunEvent;
136     int i;
137 
138     for (i = 0; i < num; i++) {
139 
140         if (ioctl(fd, APM_IOC_NEXTEVENT, &sunEvent) < 0) {
141             if (errno != EAGAIN) {
142                 xf86Msg(X_WARNING, "sunPMGetEventFromOS: APM_IOC_NEXTEVENT"
143                         " %s\n", strerror(errno));
144             }
145             break;
146         }
147         events[i] = sunToXF86(sunEvent.type);
148     }
149     xf86Msg(X_WARNING, "Got some events\n");
150     return i;
151 }
152 
153 static pmWait
sunPMConfirmEventToOs(int fd,pmEvent event)154 sunPMConfirmEventToOs(int fd, pmEvent event)
155 {
156     switch (event) {
157 /* XXX: NOT CURRENTLY RETURNED FROM OS */
158     case XF86_APM_SYS_STANDBY:
159     case XF86_APM_USER_STANDBY:
160         if (ioctl(fd, APM_IOC_STANDBY, NULL) == 0)
161             return PM_WAIT;     /* should we stop the Xserver in standby, too? */
162         else
163             return PM_NONE;
164     case XF86_APM_SYS_SUSPEND:
165     case XF86_APM_CRITICAL_SUSPEND:
166     case XF86_APM_USER_SUSPEND:
167         xf86Msg(X_WARNING, "Got SUSPENDED\n");
168         if (ioctl(fd, APM_IOC_SUSPEND, NULL) == 0)
169             return PM_CONTINUE;
170         else {
171             xf86Msg(X_WARNING, "sunPMConfirmEventToOs: APM_IOC_SUSPEND"
172                     " %s\n", strerror(errno));
173             return PM_FAILED;
174         }
175     case XF86_APM_STANDBY_RESUME:
176     case XF86_APM_NORMAL_RESUME:
177     case XF86_APM_CRITICAL_RESUME:
178     case XF86_APM_STANDBY_FAILED:
179     case XF86_APM_SUSPEND_FAILED:
180         xf86Msg(X_WARNING, "Got RESUME\n");
181         if (ioctl(fd, APM_IOC_RESUME, NULL) == 0)
182             return PM_CONTINUE;
183         else {
184             xf86Msg(X_WARNING, "sunPMConfirmEventToOs: APM_IOC_RESUME"
185                     " %s\n", strerror(errno));
186             return PM_FAILED;
187         }
188     default:
189         return PM_NONE;
190     }
191 }
192 
193 PMClose
xf86OSPMOpen(void)194 xf86OSPMOpen(void)
195 {
196     int fd;
197 
198     if (APMihPtr || !xf86Info.pmFlag) {
199         return NULL;
200     }
201 
202     if ((fd = open(APM_DEVICE, O_RDWR)) == -1) {
203         if ((fd = open(APM_DEVICE1, O_RDWR)) == -1) {
204             return NULL;
205         }
206     }
207     xf86PMGetEventFromOs = sunPMGetEventFromOS;
208     xf86PMConfirmEventToOs = sunPMConfirmEventToOs;
209     APMihPtr = xf86AddGeneralHandler(fd, xf86HandlePMEvents, NULL);
210     return sunCloseAPM;
211 }
212 
213 static void
sunCloseAPM(void)214 sunCloseAPM(void)
215 {
216     int fd;
217 
218     if (APMihPtr) {
219         fd = xf86RemoveGeneralHandler(APMihPtr);
220         close(fd);
221         APMihPtr = NULL;
222     }
223 }
224