Commit | Line | Data |
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a09e091a JB |
1 | |
2 | #ifdef HAVE_XORG_CONFIG_H | |
3 | #include <xorg-config.h> | |
4 | #endif | |
5 | ||
6 | #include <X11/X.h> | |
7 | #include "os.h" | |
8 | #include "xf86.h" | |
9 | #include "xf86Priv.h" | |
10 | #define XF86_OS_PRIVS | |
11 | #include "xf86_OSproc.h" | |
12 | ||
13 | #ifdef HAVE_ACPI | |
14 | extern PMClose lnxACPIOpen(void); | |
15 | #endif | |
16 | ||
17 | #ifdef HAVE_APM | |
18 | ||
19 | #include <linux/apm_bios.h> | |
20 | #include <unistd.h> | |
21 | #include <sys/ioctl.h> | |
22 | #include <sys/types.h> | |
23 | #include <sys/stat.h> | |
24 | #include <fcntl.h> | |
25 | #include <errno.h> | |
26 | ||
27 | #define APM_PROC "/proc/apm" | |
28 | #define APM_DEVICE "/dev/apm_bios" | |
29 | ||
30 | #ifndef APM_STANDBY_FAILED | |
31 | #define APM_STANDBY_FAILED 0xf000 | |
32 | #endif | |
33 | #ifndef APM_SUSPEND_FAILED | |
34 | #define APM_SUSPEND_FAILED 0xf001 | |
35 | #endif | |
36 | ||
37 | static PMClose lnxAPMOpen(void); | |
38 | static void lnxCloseAPM(void); | |
39 | static pointer APMihPtr = NULL; | |
40 | ||
41 | static struct { | |
42 | apm_event_t apmLinux; | |
43 | pmEvent xf86; | |
44 | } LinuxToXF86[] = { | |
45 | {APM_SYS_STANDBY, XF86_APM_SYS_STANDBY}, | |
46 | {APM_SYS_SUSPEND, XF86_APM_SYS_SUSPEND}, | |
47 | {APM_NORMAL_RESUME, XF86_APM_NORMAL_RESUME}, | |
48 | {APM_CRITICAL_RESUME, XF86_APM_CRITICAL_RESUME}, | |
49 | {APM_LOW_BATTERY, XF86_APM_LOW_BATTERY}, | |
50 | {APM_POWER_STATUS_CHANGE, XF86_APM_POWER_STATUS_CHANGE}, | |
51 | {APM_UPDATE_TIME, XF86_APM_UPDATE_TIME}, | |
52 | {APM_CRITICAL_SUSPEND, XF86_APM_CRITICAL_SUSPEND}, | |
53 | {APM_USER_STANDBY, XF86_APM_USER_STANDBY}, | |
54 | {APM_USER_SUSPEND, XF86_APM_USER_SUSPEND}, | |
55 | {APM_STANDBY_RESUME, XF86_APM_STANDBY_RESUME}, | |
56 | #if defined(APM_CAPABILITY_CHANGED) | |
57 | {APM_CAPABILITY_CHANGED, XF86_CAPABILITY_CHANGED}, | |
58 | #endif | |
59 | #if 0 | |
60 | {APM_STANDBY_FAILED, XF86_APM_STANDBY_FAILED}, | |
61 | {APM_SUSPEND_FAILED, XF86_APM_SUSPEND_FAILED} | |
62 | #endif | |
63 | }; | |
64 | ||
65 | #define numApmEvents (sizeof(LinuxToXF86) / sizeof(LinuxToXF86[0])) | |
66 | ||
67 | /* | |
68 | * APM is still under construction. | |
69 | * I'm not sure if the places where I initialize/deinitialize | |
70 | * apm is correct. Also I don't know what to do in SETUP state. | |
71 | * This depends if wakeup gets called in this situation, too. | |
72 | * Also we need to check if the action that is taken on an | |
73 | * event is reasonable. | |
74 | */ | |
75 | static int | |
76 | lnxPMGetEventFromOs(int fd, pmEvent * events, int num) | |
77 | { | |
78 | int i, j, n; | |
79 | apm_event_t linuxEvents[8]; | |
80 | ||
81 | if ((n = read(fd, linuxEvents, num * sizeof(apm_event_t))) == -1) | |
82 | return 0; | |
83 | n /= sizeof(apm_event_t); | |
84 | if (n > num) | |
85 | n = num; | |
86 | for (i = 0; i < n; i++) { | |
87 | for (j = 0; j < numApmEvents; j++) | |
88 | if (LinuxToXF86[j].apmLinux == linuxEvents[i]) { | |
89 | events[i] = LinuxToXF86[j].xf86; | |
90 | break; | |
91 | } | |
92 | if (j == numApmEvents) | |
93 | events[i] = XF86_APM_UNKNOWN; | |
94 | } | |
95 | return n; | |
96 | } | |
97 | ||
98 | static pmWait | |
99 | lnxPMConfirmEventToOs(int fd, pmEvent event) | |
100 | { | |
101 | switch (event) { | |
102 | case XF86_APM_SYS_STANDBY: | |
103 | case XF86_APM_USER_STANDBY: | |
104 | if (ioctl(fd, APM_IOC_STANDBY, NULL)) | |
105 | return PM_FAILED; | |
106 | return PM_CONTINUE; | |
107 | case XF86_APM_SYS_SUSPEND: | |
108 | case XF86_APM_CRITICAL_SUSPEND: | |
109 | case XF86_APM_USER_SUSPEND: | |
110 | if (ioctl(fd, APM_IOC_SUSPEND, NULL)) { | |
111 | /* I believe this is wrong (EE) | |
112 | EBUSY is sent when a device refuses to be suspended. | |
113 | In this case we still need to undo everything we have | |
114 | done to suspend ourselves or we will stay in suspended | |
115 | state forever. */ | |
116 | if (errno == EBUSY) | |
117 | return PM_CONTINUE; | |
118 | else | |
119 | return PM_FAILED; | |
120 | } | |
121 | return PM_CONTINUE; | |
122 | case XF86_APM_STANDBY_RESUME: | |
123 | case XF86_APM_NORMAL_RESUME: | |
124 | case XF86_APM_CRITICAL_RESUME: | |
125 | case XF86_APM_STANDBY_FAILED: | |
126 | case XF86_APM_SUSPEND_FAILED: | |
127 | return PM_CONTINUE; | |
128 | default: | |
129 | return PM_NONE; | |
130 | } | |
131 | } | |
132 | ||
133 | #endif // HAVE_APM | |
134 | ||
135 | PMClose | |
136 | xf86OSPMOpen(void) | |
137 | { | |
138 | PMClose ret = NULL; | |
139 | ||
140 | #ifdef HAVE_ACPI | |
141 | /* Favour ACPI over APM, but only when enabled */ | |
142 | ||
143 | if (!xf86acpiDisableFlag) | |
144 | ret = lnxACPIOpen(); | |
145 | ||
146 | if (!ret) | |
147 | #endif | |
148 | #ifdef HAVE_APM | |
149 | ret = lnxAPMOpen(); | |
150 | #endif | |
151 | ||
152 | return ret; | |
153 | } | |
154 | ||
155 | #ifdef HAVE_APM | |
156 | ||
157 | static PMClose | |
158 | lnxAPMOpen(void) | |
159 | { | |
160 | int fd, pfd; | |
161 | ||
162 | DebugF("APM: OSPMOpen called\n"); | |
163 | if (APMihPtr || !xf86Info.pmFlag) | |
164 | return NULL; | |
165 | ||
166 | DebugF("APM: Opening device\n"); | |
167 | if ((fd = open(APM_DEVICE, O_RDWR)) > -1) { | |
168 | if (access(APM_PROC, R_OK) || ((pfd = open(APM_PROC, O_RDONLY)) == -1)) { | |
169 | xf86MsgVerb(X_WARNING, 3, "Cannot open APM (%s) (%s)\n", | |
170 | APM_PROC, strerror(errno)); | |
171 | close(fd); | |
172 | return NULL; | |
173 | } | |
174 | else | |
175 | close(pfd); | |
176 | xf86PMGetEventFromOs = lnxPMGetEventFromOs; | |
177 | xf86PMConfirmEventToOs = lnxPMConfirmEventToOs; | |
178 | APMihPtr = xf86AddGeneralHandler(fd, xf86HandlePMEvents, NULL); | |
179 | xf86MsgVerb(X_INFO, 3, "Open APM successful\n"); | |
180 | return lnxCloseAPM; | |
181 | } | |
182 | return NULL; | |
183 | } | |
184 | ||
185 | static void | |
186 | lnxCloseAPM(void) | |
187 | { | |
188 | int fd; | |
189 | ||
190 | DebugF("APM: Closing device\n"); | |
191 | if (APMihPtr) { | |
192 | fd = xf86RemoveGeneralHandler(APMihPtr); | |
193 | close(fd); | |
194 | APMihPtr = NULL; | |
195 | } | |
196 | } | |
197 | ||
198 | #endif // HAVE_APM |