diff options
Diffstat (limited to 'drivers/acpi/thermal.c')
-rw-r--r-- | drivers/acpi/thermal.c | 801 |
1 files changed, 400 insertions, 401 deletions
diff --git a/drivers/acpi/thermal.c b/drivers/acpi/thermal.c index 79c3a686bc44..a24847c08f7f 100644 --- a/drivers/acpi/thermal.c +++ b/drivers/acpi/thermal.c | |||
@@ -70,9 +70,9 @@ | |||
70 | #define CELSIUS_TO_KELVIN(t) ((t+273)*10) | 70 | #define CELSIUS_TO_KELVIN(t) ((t+273)*10) |
71 | 71 | ||
72 | #define _COMPONENT ACPI_THERMAL_COMPONENT | 72 | #define _COMPONENT ACPI_THERMAL_COMPONENT |
73 | ACPI_MODULE_NAME ("acpi_thermal") | 73 | ACPI_MODULE_NAME("acpi_thermal") |
74 | 74 | ||
75 | MODULE_AUTHOR("Paul Diefenbaugh"); | 75 | MODULE_AUTHOR("Paul Diefenbaugh"); |
76 | MODULE_DESCRIPTION(ACPI_THERMAL_DRIVER_NAME); | 76 | MODULE_DESCRIPTION(ACPI_THERMAL_DRIVER_NAME); |
77 | MODULE_LICENSE("GPL"); | 77 | MODULE_LICENSE("GPL"); |
78 | 78 | ||
@@ -80,143 +80,145 @@ static int tzp; | |||
80 | module_param(tzp, int, 0); | 80 | module_param(tzp, int, 0); |
81 | MODULE_PARM_DESC(tzp, "Thermal zone polling frequency, in 1/10 seconds.\n"); | 81 | MODULE_PARM_DESC(tzp, "Thermal zone polling frequency, in 1/10 seconds.\n"); |
82 | 82 | ||
83 | 83 | static int acpi_thermal_add(struct acpi_device *device); | |
84 | static int acpi_thermal_add (struct acpi_device *device); | 84 | static int acpi_thermal_remove(struct acpi_device *device, int type); |
85 | static int acpi_thermal_remove (struct acpi_device *device, int type); | ||
86 | static int acpi_thermal_state_open_fs(struct inode *inode, struct file *file); | 85 | static int acpi_thermal_state_open_fs(struct inode *inode, struct file *file); |
87 | static int acpi_thermal_temp_open_fs(struct inode *inode, struct file *file); | 86 | static int acpi_thermal_temp_open_fs(struct inode *inode, struct file *file); |
88 | static int acpi_thermal_trip_open_fs(struct inode *inode, struct file *file); | 87 | static int acpi_thermal_trip_open_fs(struct inode *inode, struct file *file); |
89 | static ssize_t acpi_thermal_write_trip_points (struct file*,const char __user *,size_t,loff_t *); | 88 | static ssize_t acpi_thermal_write_trip_points(struct file *, |
89 | const char __user *, size_t, | ||
90 | loff_t *); | ||
90 | static int acpi_thermal_cooling_open_fs(struct inode *inode, struct file *file); | 91 | static int acpi_thermal_cooling_open_fs(struct inode *inode, struct file *file); |
91 | static ssize_t acpi_thermal_write_cooling_mode (struct file*,const char __user *,size_t,loff_t *); | 92 | static ssize_t acpi_thermal_write_cooling_mode(struct file *, |
93 | const char __user *, size_t, | ||
94 | loff_t *); | ||
92 | static int acpi_thermal_polling_open_fs(struct inode *inode, struct file *file); | 95 | static int acpi_thermal_polling_open_fs(struct inode *inode, struct file *file); |
93 | static ssize_t acpi_thermal_write_polling(struct file*,const char __user *,size_t,loff_t *); | 96 | static ssize_t acpi_thermal_write_polling(struct file *, const char __user *, |
97 | size_t, loff_t *); | ||
94 | 98 | ||
95 | static struct acpi_driver acpi_thermal_driver = { | 99 | static struct acpi_driver acpi_thermal_driver = { |
96 | .name = ACPI_THERMAL_DRIVER_NAME, | 100 | .name = ACPI_THERMAL_DRIVER_NAME, |
97 | .class = ACPI_THERMAL_CLASS, | 101 | .class = ACPI_THERMAL_CLASS, |
98 | .ids = ACPI_THERMAL_HID, | 102 | .ids = ACPI_THERMAL_HID, |
99 | .ops = { | 103 | .ops = { |
100 | .add = acpi_thermal_add, | 104 | .add = acpi_thermal_add, |
101 | .remove = acpi_thermal_remove, | 105 | .remove = acpi_thermal_remove, |
102 | }, | 106 | }, |
103 | }; | 107 | }; |
104 | 108 | ||
105 | struct acpi_thermal_state { | 109 | struct acpi_thermal_state { |
106 | u8 critical:1; | 110 | u8 critical:1; |
107 | u8 hot:1; | 111 | u8 hot:1; |
108 | u8 passive:1; | 112 | u8 passive:1; |
109 | u8 active:1; | 113 | u8 active:1; |
110 | u8 reserved:4; | 114 | u8 reserved:4; |
111 | int active_index; | 115 | int active_index; |
112 | }; | 116 | }; |
113 | 117 | ||
114 | struct acpi_thermal_state_flags { | 118 | struct acpi_thermal_state_flags { |
115 | u8 valid:1; | 119 | u8 valid:1; |
116 | u8 enabled:1; | 120 | u8 enabled:1; |
117 | u8 reserved:6; | 121 | u8 reserved:6; |
118 | }; | 122 | }; |
119 | 123 | ||
120 | struct acpi_thermal_critical { | 124 | struct acpi_thermal_critical { |
121 | struct acpi_thermal_state_flags flags; | 125 | struct acpi_thermal_state_flags flags; |
122 | unsigned long temperature; | 126 | unsigned long temperature; |
123 | }; | 127 | }; |
124 | 128 | ||
125 | struct acpi_thermal_hot { | 129 | struct acpi_thermal_hot { |
126 | struct acpi_thermal_state_flags flags; | 130 | struct acpi_thermal_state_flags flags; |
127 | unsigned long temperature; | 131 | unsigned long temperature; |
128 | }; | 132 | }; |
129 | 133 | ||
130 | struct acpi_thermal_passive { | 134 | struct acpi_thermal_passive { |
131 | struct acpi_thermal_state_flags flags; | 135 | struct acpi_thermal_state_flags flags; |
132 | unsigned long temperature; | 136 | unsigned long temperature; |
133 | unsigned long tc1; | 137 | unsigned long tc1; |
134 | unsigned long tc2; | 138 | unsigned long tc2; |
135 | unsigned long tsp; | 139 | unsigned long tsp; |
136 | struct acpi_handle_list devices; | 140 | struct acpi_handle_list devices; |
137 | }; | 141 | }; |
138 | 142 | ||
139 | struct acpi_thermal_active { | 143 | struct acpi_thermal_active { |
140 | struct acpi_thermal_state_flags flags; | 144 | struct acpi_thermal_state_flags flags; |
141 | unsigned long temperature; | 145 | unsigned long temperature; |
142 | struct acpi_handle_list devices; | 146 | struct acpi_handle_list devices; |
143 | }; | 147 | }; |
144 | 148 | ||
145 | struct acpi_thermal_trips { | 149 | struct acpi_thermal_trips { |
146 | struct acpi_thermal_critical critical; | 150 | struct acpi_thermal_critical critical; |
147 | struct acpi_thermal_hot hot; | 151 | struct acpi_thermal_hot hot; |
148 | struct acpi_thermal_passive passive; | 152 | struct acpi_thermal_passive passive; |
149 | struct acpi_thermal_active active[ACPI_THERMAL_MAX_ACTIVE]; | 153 | struct acpi_thermal_active active[ACPI_THERMAL_MAX_ACTIVE]; |
150 | }; | 154 | }; |
151 | 155 | ||
152 | struct acpi_thermal_flags { | 156 | struct acpi_thermal_flags { |
153 | u8 cooling_mode:1; /* _SCP */ | 157 | u8 cooling_mode:1; /* _SCP */ |
154 | u8 devices:1; /* _TZD */ | 158 | u8 devices:1; /* _TZD */ |
155 | u8 reserved:6; | 159 | u8 reserved:6; |
156 | }; | 160 | }; |
157 | 161 | ||
158 | struct acpi_thermal { | 162 | struct acpi_thermal { |
159 | acpi_handle handle; | 163 | acpi_handle handle; |
160 | acpi_bus_id name; | 164 | acpi_bus_id name; |
161 | unsigned long temperature; | 165 | unsigned long temperature; |
162 | unsigned long last_temperature; | 166 | unsigned long last_temperature; |
163 | unsigned long polling_frequency; | 167 | unsigned long polling_frequency; |
164 | u8 cooling_mode; | 168 | u8 cooling_mode; |
165 | volatile u8 zombie; | 169 | volatile u8 zombie; |
166 | struct acpi_thermal_flags flags; | 170 | struct acpi_thermal_flags flags; |
167 | struct acpi_thermal_state state; | 171 | struct acpi_thermal_state state; |
168 | struct acpi_thermal_trips trips; | 172 | struct acpi_thermal_trips trips; |
169 | struct acpi_handle_list devices; | 173 | struct acpi_handle_list devices; |
170 | struct timer_list timer; | 174 | struct timer_list timer; |
171 | }; | 175 | }; |
172 | 176 | ||
173 | static struct file_operations acpi_thermal_state_fops = { | 177 | static struct file_operations acpi_thermal_state_fops = { |
174 | .open = acpi_thermal_state_open_fs, | 178 | .open = acpi_thermal_state_open_fs, |
175 | .read = seq_read, | 179 | .read = seq_read, |
176 | .llseek = seq_lseek, | 180 | .llseek = seq_lseek, |
177 | .release = single_release, | 181 | .release = single_release, |
178 | }; | 182 | }; |
179 | 183 | ||
180 | static struct file_operations acpi_thermal_temp_fops = { | 184 | static struct file_operations acpi_thermal_temp_fops = { |
181 | .open = acpi_thermal_temp_open_fs, | 185 | .open = acpi_thermal_temp_open_fs, |
182 | .read = seq_read, | 186 | .read = seq_read, |
183 | .llseek = seq_lseek, | 187 | .llseek = seq_lseek, |
184 | .release = single_release, | 188 | .release = single_release, |
185 | }; | 189 | }; |
186 | 190 | ||
187 | static struct file_operations acpi_thermal_trip_fops = { | 191 | static struct file_operations acpi_thermal_trip_fops = { |
188 | .open = acpi_thermal_trip_open_fs, | 192 | .open = acpi_thermal_trip_open_fs, |
189 | .read = seq_read, | 193 | .read = seq_read, |
190 | .write = acpi_thermal_write_trip_points, | 194 | .write = acpi_thermal_write_trip_points, |
191 | .llseek = seq_lseek, | 195 | .llseek = seq_lseek, |
192 | .release = single_release, | 196 | .release = single_release, |
193 | }; | 197 | }; |
194 | 198 | ||
195 | static struct file_operations acpi_thermal_cooling_fops = { | 199 | static struct file_operations acpi_thermal_cooling_fops = { |
196 | .open = acpi_thermal_cooling_open_fs, | 200 | .open = acpi_thermal_cooling_open_fs, |
197 | .read = seq_read, | 201 | .read = seq_read, |
198 | .write = acpi_thermal_write_cooling_mode, | 202 | .write = acpi_thermal_write_cooling_mode, |
199 | .llseek = seq_lseek, | 203 | .llseek = seq_lseek, |
200 | .release = single_release, | 204 | .release = single_release, |
201 | }; | 205 | }; |
202 | 206 | ||
203 | static struct file_operations acpi_thermal_polling_fops = { | 207 | static struct file_operations acpi_thermal_polling_fops = { |
204 | .open = acpi_thermal_polling_open_fs, | 208 | .open = acpi_thermal_polling_open_fs, |
205 | .read = seq_read, | 209 | .read = seq_read, |
206 | .write = acpi_thermal_write_polling, | 210 | .write = acpi_thermal_write_polling, |
207 | .llseek = seq_lseek, | 211 | .llseek = seq_lseek, |
208 | .release = single_release, | 212 | .release = single_release, |
209 | }; | 213 | }; |
210 | 214 | ||
211 | /* -------------------------------------------------------------------------- | 215 | /* -------------------------------------------------------------------------- |
212 | Thermal Zone Management | 216 | Thermal Zone Management |
213 | -------------------------------------------------------------------------- */ | 217 | -------------------------------------------------------------------------- */ |
214 | 218 | ||
215 | static int | 219 | static int acpi_thermal_get_temperature(struct acpi_thermal *tz) |
216 | acpi_thermal_get_temperature ( | ||
217 | struct acpi_thermal *tz) | ||
218 | { | 220 | { |
219 | acpi_status status = AE_OK; | 221 | acpi_status status = AE_OK; |
220 | 222 | ||
221 | ACPI_FUNCTION_TRACE("acpi_thermal_get_temperature"); | 223 | ACPI_FUNCTION_TRACE("acpi_thermal_get_temperature"); |
222 | 224 | ||
@@ -225,41 +227,39 @@ acpi_thermal_get_temperature ( | |||
225 | 227 | ||
226 | tz->last_temperature = tz->temperature; | 228 | tz->last_temperature = tz->temperature; |
227 | 229 | ||
228 | status = acpi_evaluate_integer(tz->handle, "_TMP", NULL, &tz->temperature); | 230 | status = |
231 | acpi_evaluate_integer(tz->handle, "_TMP", NULL, &tz->temperature); | ||
229 | if (ACPI_FAILURE(status)) | 232 | if (ACPI_FAILURE(status)) |
230 | return_VALUE(-ENODEV); | 233 | return_VALUE(-ENODEV); |
231 | 234 | ||
232 | ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Temperature is %lu dK\n", tz->temperature)); | 235 | ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Temperature is %lu dK\n", |
236 | tz->temperature)); | ||
233 | 237 | ||
234 | return_VALUE(0); | 238 | return_VALUE(0); |
235 | } | 239 | } |
236 | 240 | ||
237 | 241 | static int acpi_thermal_get_polling_frequency(struct acpi_thermal *tz) | |
238 | static int | ||
239 | acpi_thermal_get_polling_frequency ( | ||
240 | struct acpi_thermal *tz) | ||
241 | { | 242 | { |
242 | acpi_status status = AE_OK; | 243 | acpi_status status = AE_OK; |
243 | 244 | ||
244 | ACPI_FUNCTION_TRACE("acpi_thermal_get_polling_frequency"); | 245 | ACPI_FUNCTION_TRACE("acpi_thermal_get_polling_frequency"); |
245 | 246 | ||
246 | if (!tz) | 247 | if (!tz) |
247 | return_VALUE(-EINVAL); | 248 | return_VALUE(-EINVAL); |
248 | 249 | ||
249 | status = acpi_evaluate_integer(tz->handle, "_TZP", NULL, &tz->polling_frequency); | 250 | status = |
251 | acpi_evaluate_integer(tz->handle, "_TZP", NULL, | ||
252 | &tz->polling_frequency); | ||
250 | if (ACPI_FAILURE(status)) | 253 | if (ACPI_FAILURE(status)) |
251 | return_VALUE(-ENODEV); | 254 | return_VALUE(-ENODEV); |
252 | 255 | ||
253 | ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Polling frequency is %lu dS\n", tz->polling_frequency)); | 256 | ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Polling frequency is %lu dS\n", |
257 | tz->polling_frequency)); | ||
254 | 258 | ||
255 | return_VALUE(0); | 259 | return_VALUE(0); |
256 | } | 260 | } |
257 | 261 | ||
258 | 262 | static int acpi_thermal_set_polling(struct acpi_thermal *tz, int seconds) | |
259 | static int | ||
260 | acpi_thermal_set_polling ( | ||
261 | struct acpi_thermal *tz, | ||
262 | int seconds) | ||
263 | { | 263 | { |
264 | ACPI_FUNCTION_TRACE("acpi_thermal_set_polling"); | 264 | ACPI_FUNCTION_TRACE("acpi_thermal_set_polling"); |
265 | 265 | ||
@@ -268,21 +268,19 @@ acpi_thermal_set_polling ( | |||
268 | 268 | ||
269 | tz->polling_frequency = seconds * 10; /* Convert value to deci-seconds */ | 269 | tz->polling_frequency = seconds * 10; /* Convert value to deci-seconds */ |
270 | 270 | ||
271 | ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Polling frequency set to %lu seconds\n", tz->polling_frequency)); | 271 | ACPI_DEBUG_PRINT((ACPI_DB_INFO, |
272 | "Polling frequency set to %lu seconds\n", | ||
273 | tz->polling_frequency)); | ||
272 | 274 | ||
273 | return_VALUE(0); | 275 | return_VALUE(0); |
274 | } | 276 | } |
275 | 277 | ||
276 | 278 | static int acpi_thermal_set_cooling_mode(struct acpi_thermal *tz, int mode) | |
277 | static int | ||
278 | acpi_thermal_set_cooling_mode ( | ||
279 | struct acpi_thermal *tz, | ||
280 | int mode) | ||
281 | { | 279 | { |
282 | acpi_status status = AE_OK; | 280 | acpi_status status = AE_OK; |
283 | union acpi_object arg0 = {ACPI_TYPE_INTEGER}; | 281 | union acpi_object arg0 = { ACPI_TYPE_INTEGER }; |
284 | struct acpi_object_list arg_list = {1, &arg0}; | 282 | struct acpi_object_list arg_list = { 1, &arg0 }; |
285 | acpi_handle handle = NULL; | 283 | acpi_handle handle = NULL; |
286 | 284 | ||
287 | ACPI_FUNCTION_TRACE("acpi_thermal_set_cooling_mode"); | 285 | ACPI_FUNCTION_TRACE("acpi_thermal_set_cooling_mode"); |
288 | 286 | ||
@@ -303,19 +301,16 @@ acpi_thermal_set_cooling_mode ( | |||
303 | 301 | ||
304 | tz->cooling_mode = mode; | 302 | tz->cooling_mode = mode; |
305 | 303 | ||
306 | ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Cooling mode [%s]\n", | 304 | ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Cooling mode [%s]\n", |
307 | mode?"passive":"active")); | 305 | mode ? "passive" : "active")); |
308 | 306 | ||
309 | return_VALUE(0); | 307 | return_VALUE(0); |
310 | } | 308 | } |
311 | 309 | ||
312 | 310 | static int acpi_thermal_get_trip_points(struct acpi_thermal *tz) | |
313 | static int | ||
314 | acpi_thermal_get_trip_points ( | ||
315 | struct acpi_thermal *tz) | ||
316 | { | 311 | { |
317 | acpi_status status = AE_OK; | 312 | acpi_status status = AE_OK; |
318 | int i = 0; | 313 | int i = 0; |
319 | 314 | ||
320 | ACPI_FUNCTION_TRACE("acpi_thermal_get_trip_points"); | 315 | ACPI_FUNCTION_TRACE("acpi_thermal_get_trip_points"); |
321 | 316 | ||
@@ -324,111 +319,128 @@ acpi_thermal_get_trip_points ( | |||
324 | 319 | ||
325 | /* Critical Shutdown (required) */ | 320 | /* Critical Shutdown (required) */ |
326 | 321 | ||
327 | status = acpi_evaluate_integer(tz->handle, "_CRT", NULL, | 322 | status = acpi_evaluate_integer(tz->handle, "_CRT", NULL, |
328 | &tz->trips.critical.temperature); | 323 | &tz->trips.critical.temperature); |
329 | if (ACPI_FAILURE(status)) { | 324 | if (ACPI_FAILURE(status)) { |
330 | tz->trips.critical.flags.valid = 0; | 325 | tz->trips.critical.flags.valid = 0; |
331 | ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "No critical threshold\n")); | 326 | ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "No critical threshold\n")); |
332 | return_VALUE(-ENODEV); | 327 | return_VALUE(-ENODEV); |
333 | } | 328 | } else { |
334 | else { | ||
335 | tz->trips.critical.flags.valid = 1; | 329 | tz->trips.critical.flags.valid = 1; |
336 | ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Found critical threshold [%lu]\n", tz->trips.critical.temperature)); | 330 | ACPI_DEBUG_PRINT((ACPI_DB_INFO, |
331 | "Found critical threshold [%lu]\n", | ||
332 | tz->trips.critical.temperature)); | ||
337 | } | 333 | } |
338 | 334 | ||
339 | /* Critical Sleep (optional) */ | 335 | /* Critical Sleep (optional) */ |
340 | 336 | ||
341 | status = acpi_evaluate_integer(tz->handle, "_HOT", NULL, &tz->trips.hot.temperature); | 337 | status = |
338 | acpi_evaluate_integer(tz->handle, "_HOT", NULL, | ||
339 | &tz->trips.hot.temperature); | ||
342 | if (ACPI_FAILURE(status)) { | 340 | if (ACPI_FAILURE(status)) { |
343 | tz->trips.hot.flags.valid = 0; | 341 | tz->trips.hot.flags.valid = 0; |
344 | ACPI_DEBUG_PRINT((ACPI_DB_INFO, "No hot threshold\n")); | 342 | ACPI_DEBUG_PRINT((ACPI_DB_INFO, "No hot threshold\n")); |
345 | } | 343 | } else { |
346 | else { | ||
347 | tz->trips.hot.flags.valid = 1; | 344 | tz->trips.hot.flags.valid = 1; |
348 | ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Found hot threshold [%lu]\n", tz->trips.hot.temperature)); | 345 | ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Found hot threshold [%lu]\n", |
346 | tz->trips.hot.temperature)); | ||
349 | } | 347 | } |
350 | 348 | ||
351 | /* Passive: Processors (optional) */ | 349 | /* Passive: Processors (optional) */ |
352 | 350 | ||
353 | status = acpi_evaluate_integer(tz->handle, "_PSV", NULL, &tz->trips.passive.temperature); | 351 | status = |
352 | acpi_evaluate_integer(tz->handle, "_PSV", NULL, | ||
353 | &tz->trips.passive.temperature); | ||
354 | if (ACPI_FAILURE(status)) { | 354 | if (ACPI_FAILURE(status)) { |
355 | tz->trips.passive.flags.valid = 0; | 355 | tz->trips.passive.flags.valid = 0; |
356 | ACPI_DEBUG_PRINT((ACPI_DB_INFO, "No passive threshold\n")); | 356 | ACPI_DEBUG_PRINT((ACPI_DB_INFO, "No passive threshold\n")); |
357 | } | 357 | } else { |
358 | else { | ||
359 | tz->trips.passive.flags.valid = 1; | 358 | tz->trips.passive.flags.valid = 1; |
360 | 359 | ||
361 | status = acpi_evaluate_integer(tz->handle, "_TC1", NULL, &tz->trips.passive.tc1); | 360 | status = |
361 | acpi_evaluate_integer(tz->handle, "_TC1", NULL, | ||
362 | &tz->trips.passive.tc1); | ||
362 | if (ACPI_FAILURE(status)) | 363 | if (ACPI_FAILURE(status)) |
363 | tz->trips.passive.flags.valid = 0; | 364 | tz->trips.passive.flags.valid = 0; |
364 | 365 | ||
365 | status = acpi_evaluate_integer(tz->handle, "_TC2", NULL, &tz->trips.passive.tc2); | 366 | status = |
367 | acpi_evaluate_integer(tz->handle, "_TC2", NULL, | ||
368 | &tz->trips.passive.tc2); | ||
366 | if (ACPI_FAILURE(status)) | 369 | if (ACPI_FAILURE(status)) |
367 | tz->trips.passive.flags.valid = 0; | 370 | tz->trips.passive.flags.valid = 0; |
368 | 371 | ||
369 | status = acpi_evaluate_integer(tz->handle, "_TSP", NULL, &tz->trips.passive.tsp); | 372 | status = |
373 | acpi_evaluate_integer(tz->handle, "_TSP", NULL, | ||
374 | &tz->trips.passive.tsp); | ||
370 | if (ACPI_FAILURE(status)) | 375 | if (ACPI_FAILURE(status)) |
371 | tz->trips.passive.flags.valid = 0; | 376 | tz->trips.passive.flags.valid = 0; |
372 | 377 | ||
373 | status = acpi_evaluate_reference(tz->handle, "_PSL", NULL, &tz->trips.passive.devices); | 378 | status = |
379 | acpi_evaluate_reference(tz->handle, "_PSL", NULL, | ||
380 | &tz->trips.passive.devices); | ||
374 | if (ACPI_FAILURE(status)) | 381 | if (ACPI_FAILURE(status)) |
375 | tz->trips.passive.flags.valid = 0; | 382 | tz->trips.passive.flags.valid = 0; |
376 | 383 | ||
377 | if (!tz->trips.passive.flags.valid) | 384 | if (!tz->trips.passive.flags.valid) |
378 | ACPI_DEBUG_PRINT((ACPI_DB_WARN, "Invalid passive threshold\n")); | 385 | ACPI_DEBUG_PRINT((ACPI_DB_WARN, |
386 | "Invalid passive threshold\n")); | ||
379 | else | 387 | else |
380 | ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Found passive threshold [%lu]\n", tz->trips.passive.temperature)); | 388 | ACPI_DEBUG_PRINT((ACPI_DB_INFO, |
389 | "Found passive threshold [%lu]\n", | ||
390 | tz->trips.passive.temperature)); | ||
381 | } | 391 | } |
382 | 392 | ||
383 | /* Active: Fans, etc. (optional) */ | 393 | /* Active: Fans, etc. (optional) */ |
384 | 394 | ||
385 | for (i=0; i<ACPI_THERMAL_MAX_ACTIVE; i++) { | 395 | for (i = 0; i < ACPI_THERMAL_MAX_ACTIVE; i++) { |
386 | 396 | ||
387 | char name[5] = {'_','A','C',('0'+i),'\0'}; | 397 | char name[5] = { '_', 'A', 'C', ('0' + i), '\0' }; |
388 | 398 | ||
389 | status = acpi_evaluate_integer(tz->handle, name, NULL, &tz->trips.active[i].temperature); | 399 | status = |
400 | acpi_evaluate_integer(tz->handle, name, NULL, | ||
401 | &tz->trips.active[i].temperature); | ||
390 | if (ACPI_FAILURE(status)) | 402 | if (ACPI_FAILURE(status)) |
391 | break; | 403 | break; |
392 | 404 | ||
393 | name[2] = 'L'; | 405 | name[2] = 'L'; |
394 | status = acpi_evaluate_reference(tz->handle, name, NULL, &tz->trips.active[i].devices); | 406 | status = |
407 | acpi_evaluate_reference(tz->handle, name, NULL, | ||
408 | &tz->trips.active[i].devices); | ||
395 | if (ACPI_SUCCESS(status)) { | 409 | if (ACPI_SUCCESS(status)) { |
396 | tz->trips.active[i].flags.valid = 1; | 410 | tz->trips.active[i].flags.valid = 1; |
397 | ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Found active threshold [%d]:[%lu]\n", i, tz->trips.active[i].temperature)); | 411 | ACPI_DEBUG_PRINT((ACPI_DB_INFO, |
398 | } | 412 | "Found active threshold [%d]:[%lu]\n", |
399 | else | 413 | i, tz->trips.active[i].temperature)); |
400 | ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Invalid active threshold [%d]\n", i)); | 414 | } else |
415 | ACPI_DEBUG_PRINT((ACPI_DB_ERROR, | ||
416 | "Invalid active threshold [%d]\n", | ||
417 | i)); | ||
401 | } | 418 | } |
402 | 419 | ||
403 | return_VALUE(0); | 420 | return_VALUE(0); |
404 | } | 421 | } |
405 | 422 | ||
406 | 423 | static int acpi_thermal_get_devices(struct acpi_thermal *tz) | |
407 | static int | ||
408 | acpi_thermal_get_devices ( | ||
409 | struct acpi_thermal *tz) | ||
410 | { | 424 | { |
411 | acpi_status status = AE_OK; | 425 | acpi_status status = AE_OK; |
412 | 426 | ||
413 | ACPI_FUNCTION_TRACE("acpi_thermal_get_devices"); | 427 | ACPI_FUNCTION_TRACE("acpi_thermal_get_devices"); |
414 | 428 | ||
415 | if (!tz) | 429 | if (!tz) |
416 | return_VALUE(-EINVAL); | 430 | return_VALUE(-EINVAL); |
417 | 431 | ||
418 | status = acpi_evaluate_reference(tz->handle, "_TZD", NULL, &tz->devices); | 432 | status = |
433 | acpi_evaluate_reference(tz->handle, "_TZD", NULL, &tz->devices); | ||
419 | if (ACPI_FAILURE(status)) | 434 | if (ACPI_FAILURE(status)) |
420 | return_VALUE(-ENODEV); | 435 | return_VALUE(-ENODEV); |
421 | 436 | ||
422 | return_VALUE(0); | 437 | return_VALUE(0); |
423 | } | 438 | } |
424 | 439 | ||
425 | 440 | static int acpi_thermal_call_usermode(char *path) | |
426 | static int | ||
427 | acpi_thermal_call_usermode ( | ||
428 | char *path) | ||
429 | { | 441 | { |
430 | char *argv[2] = {NULL, NULL}; | 442 | char *argv[2] = { NULL, NULL }; |
431 | char *envp[3] = {NULL, NULL, NULL}; | 443 | char *envp[3] = { NULL, NULL, NULL }; |
432 | 444 | ||
433 | ACPI_FUNCTION_TRACE("acpi_thermal_call_usermode"); | 445 | ACPI_FUNCTION_TRACE("acpi_thermal_call_usermode"); |
434 | 446 | ||
@@ -440,19 +452,16 @@ acpi_thermal_call_usermode ( | |||
440 | /* minimal command environment */ | 452 | /* minimal command environment */ |
441 | envp[0] = "HOME=/"; | 453 | envp[0] = "HOME=/"; |
442 | envp[1] = "PATH=/sbin:/bin:/usr/sbin:/usr/bin"; | 454 | envp[1] = "PATH=/sbin:/bin:/usr/sbin:/usr/bin"; |
443 | 455 | ||
444 | call_usermodehelper(argv[0], argv, envp, 0); | 456 | call_usermodehelper(argv[0], argv, envp, 0); |
445 | 457 | ||
446 | return_VALUE(0); | 458 | return_VALUE(0); |
447 | } | 459 | } |
448 | 460 | ||
449 | 461 | static int acpi_thermal_critical(struct acpi_thermal *tz) | |
450 | static int | ||
451 | acpi_thermal_critical ( | ||
452 | struct acpi_thermal *tz) | ||
453 | { | 462 | { |
454 | int result = 0; | 463 | int result = 0; |
455 | struct acpi_device *device = NULL; | 464 | struct acpi_device *device = NULL; |
456 | 465 | ||
457 | ACPI_FUNCTION_TRACE("acpi_thermal_critical"); | 466 | ACPI_FUNCTION_TRACE("acpi_thermal_critical"); |
458 | 467 | ||
@@ -462,29 +471,28 @@ acpi_thermal_critical ( | |||
462 | if (tz->temperature >= tz->trips.critical.temperature) { | 471 | if (tz->temperature >= tz->trips.critical.temperature) { |
463 | ACPI_DEBUG_PRINT((ACPI_DB_WARN, "Critical trip point\n")); | 472 | ACPI_DEBUG_PRINT((ACPI_DB_WARN, "Critical trip point\n")); |
464 | tz->trips.critical.flags.enabled = 1; | 473 | tz->trips.critical.flags.enabled = 1; |
465 | } | 474 | } else if (tz->trips.critical.flags.enabled) |
466 | else if (tz->trips.critical.flags.enabled) | ||
467 | tz->trips.critical.flags.enabled = 0; | 475 | tz->trips.critical.flags.enabled = 0; |
468 | 476 | ||
469 | result = acpi_bus_get_device(tz->handle, &device); | 477 | result = acpi_bus_get_device(tz->handle, &device); |
470 | if (result) | 478 | if (result) |
471 | return_VALUE(result); | 479 | return_VALUE(result); |
472 | 480 | ||
473 | printk(KERN_EMERG "Critical temperature reached (%ld C), shutting down.\n", KELVIN_TO_CELSIUS(tz->temperature)); | 481 | printk(KERN_EMERG |
474 | acpi_bus_generate_event(device, ACPI_THERMAL_NOTIFY_CRITICAL, tz->trips.critical.flags.enabled); | 482 | "Critical temperature reached (%ld C), shutting down.\n", |
483 | KELVIN_TO_CELSIUS(tz->temperature)); | ||
484 | acpi_bus_generate_event(device, ACPI_THERMAL_NOTIFY_CRITICAL, | ||
485 | tz->trips.critical.flags.enabled); | ||
475 | 486 | ||
476 | acpi_thermal_call_usermode(ACPI_THERMAL_PATH_POWEROFF); | 487 | acpi_thermal_call_usermode(ACPI_THERMAL_PATH_POWEROFF); |
477 | 488 | ||
478 | return_VALUE(0); | 489 | return_VALUE(0); |
479 | } | 490 | } |
480 | 491 | ||
481 | 492 | static int acpi_thermal_hot(struct acpi_thermal *tz) | |
482 | static int | ||
483 | acpi_thermal_hot ( | ||
484 | struct acpi_thermal *tz) | ||
485 | { | 493 | { |
486 | int result = 0; | 494 | int result = 0; |
487 | struct acpi_device *device = NULL; | 495 | struct acpi_device *device = NULL; |
488 | 496 | ||
489 | ACPI_FUNCTION_TRACE("acpi_thermal_hot"); | 497 | ACPI_FUNCTION_TRACE("acpi_thermal_hot"); |
490 | 498 | ||
@@ -494,30 +502,27 @@ acpi_thermal_hot ( | |||
494 | if (tz->temperature >= tz->trips.hot.temperature) { | 502 | if (tz->temperature >= tz->trips.hot.temperature) { |
495 | ACPI_DEBUG_PRINT((ACPI_DB_WARN, "Hot trip point\n")); | 503 | ACPI_DEBUG_PRINT((ACPI_DB_WARN, "Hot trip point\n")); |
496 | tz->trips.hot.flags.enabled = 1; | 504 | tz->trips.hot.flags.enabled = 1; |
497 | } | 505 | } else if (tz->trips.hot.flags.enabled) |
498 | else if (tz->trips.hot.flags.enabled) | ||
499 | tz->trips.hot.flags.enabled = 0; | 506 | tz->trips.hot.flags.enabled = 0; |
500 | 507 | ||
501 | result = acpi_bus_get_device(tz->handle, &device); | 508 | result = acpi_bus_get_device(tz->handle, &device); |
502 | if (result) | 509 | if (result) |
503 | return_VALUE(result); | 510 | return_VALUE(result); |
504 | 511 | ||
505 | acpi_bus_generate_event(device, ACPI_THERMAL_NOTIFY_HOT, tz->trips.hot.flags.enabled); | 512 | acpi_bus_generate_event(device, ACPI_THERMAL_NOTIFY_HOT, |
513 | tz->trips.hot.flags.enabled); | ||
506 | 514 | ||
507 | /* TBD: Call user-mode "sleep(S4)" function */ | 515 | /* TBD: Call user-mode "sleep(S4)" function */ |
508 | 516 | ||
509 | return_VALUE(0); | 517 | return_VALUE(0); |
510 | } | 518 | } |
511 | 519 | ||
512 | 520 | static int acpi_thermal_passive(struct acpi_thermal *tz) | |
513 | static int | ||
514 | acpi_thermal_passive ( | ||
515 | struct acpi_thermal *tz) | ||
516 | { | 521 | { |
517 | int result = 0; | 522 | int result = 0; |
518 | struct acpi_thermal_passive *passive = NULL; | 523 | struct acpi_thermal_passive *passive = NULL; |
519 | int trend = 0; | 524 | int trend = 0; |
520 | int i = 0; | 525 | int i = 0; |
521 | 526 | ||
522 | ACPI_FUNCTION_TRACE("acpi_thermal_passive"); | 527 | ACPI_FUNCTION_TRACE("acpi_thermal_passive"); |
523 | 528 | ||
@@ -534,25 +539,29 @@ acpi_thermal_passive ( | |||
534 | * accordingly. Note that we assume symmetry. | 539 | * accordingly. Note that we assume symmetry. |
535 | */ | 540 | */ |
536 | if (tz->temperature >= passive->temperature) { | 541 | if (tz->temperature >= passive->temperature) { |
537 | trend = (passive->tc1 * (tz->temperature - tz->last_temperature)) + (passive->tc2 * (tz->temperature - passive->temperature)); | 542 | trend = |
538 | ACPI_DEBUG_PRINT((ACPI_DB_INFO, | 543 | (passive->tc1 * (tz->temperature - tz->last_temperature)) + |
539 | "trend[%d]=(tc1[%lu]*(tmp[%lu]-last[%lu]))+(tc2[%lu]*(tmp[%lu]-psv[%lu]))\n", | 544 | (passive->tc2 * (tz->temperature - passive->temperature)); |
540 | trend, passive->tc1, tz->temperature, | 545 | ACPI_DEBUG_PRINT((ACPI_DB_INFO, |
541 | tz->last_temperature, passive->tc2, | 546 | "trend[%d]=(tc1[%lu]*(tmp[%lu]-last[%lu]))+(tc2[%lu]*(tmp[%lu]-psv[%lu]))\n", |
542 | tz->temperature, passive->temperature)); | 547 | trend, passive->tc1, tz->temperature, |
548 | tz->last_temperature, passive->tc2, | ||
549 | tz->temperature, passive->temperature)); | ||
543 | tz->trips.passive.flags.enabled = 1; | 550 | tz->trips.passive.flags.enabled = 1; |
544 | /* Heating up? */ | 551 | /* Heating up? */ |
545 | if (trend > 0) | 552 | if (trend > 0) |
546 | for (i=0; i<passive->devices.count; i++) | 553 | for (i = 0; i < passive->devices.count; i++) |
547 | acpi_processor_set_thermal_limit( | 554 | acpi_processor_set_thermal_limit(passive-> |
548 | passive->devices.handles[i], | 555 | devices. |
549 | ACPI_PROCESSOR_LIMIT_INCREMENT); | 556 | handles[i], |
557 | ACPI_PROCESSOR_LIMIT_INCREMENT); | ||
550 | /* Cooling off? */ | 558 | /* Cooling off? */ |
551 | else if (trend < 0) | 559 | else if (trend < 0) |
552 | for (i=0; i<passive->devices.count; i++) | 560 | for (i = 0; i < passive->devices.count; i++) |
553 | acpi_processor_set_thermal_limit( | 561 | acpi_processor_set_thermal_limit(passive-> |
554 | passive->devices.handles[i], | 562 | devices. |
555 | ACPI_PROCESSOR_LIMIT_DECREMENT); | 563 | handles[i], |
564 | ACPI_PROCESSOR_LIMIT_DECREMENT); | ||
556 | } | 565 | } |
557 | 566 | ||
558 | /* | 567 | /* |
@@ -563,37 +572,35 @@ acpi_thermal_passive ( | |||
563 | * assume symmetry. | 572 | * assume symmetry. |
564 | */ | 573 | */ |
565 | else if (tz->trips.passive.flags.enabled) { | 574 | else if (tz->trips.passive.flags.enabled) { |
566 | for (i=0; i<passive->devices.count; i++) | 575 | for (i = 0; i < passive->devices.count; i++) |
567 | result = acpi_processor_set_thermal_limit( | 576 | result = |
568 | passive->devices.handles[i], | 577 | acpi_processor_set_thermal_limit(passive->devices. |
569 | ACPI_PROCESSOR_LIMIT_DECREMENT); | 578 | handles[i], |
579 | ACPI_PROCESSOR_LIMIT_DECREMENT); | ||
570 | if (result == 1) { | 580 | if (result == 1) { |
571 | tz->trips.passive.flags.enabled = 0; | 581 | tz->trips.passive.flags.enabled = 0; |
572 | ACPI_DEBUG_PRINT((ACPI_DB_INFO, | 582 | ACPI_DEBUG_PRINT((ACPI_DB_INFO, |
573 | "Disabling passive cooling (zone is cool)\n")); | 583 | "Disabling passive cooling (zone is cool)\n")); |
574 | } | 584 | } |
575 | } | 585 | } |
576 | 586 | ||
577 | return_VALUE(0); | 587 | return_VALUE(0); |
578 | } | 588 | } |
579 | 589 | ||
580 | 590 | static int acpi_thermal_active(struct acpi_thermal *tz) | |
581 | static int | ||
582 | acpi_thermal_active ( | ||
583 | struct acpi_thermal *tz) | ||
584 | { | 591 | { |
585 | int result = 0; | 592 | int result = 0; |
586 | struct acpi_thermal_active *active = NULL; | 593 | struct acpi_thermal_active *active = NULL; |
587 | int i = 0; | 594 | int i = 0; |
588 | int j = 0; | 595 | int j = 0; |
589 | unsigned long maxtemp = 0; | 596 | unsigned long maxtemp = 0; |
590 | 597 | ||
591 | ACPI_FUNCTION_TRACE("acpi_thermal_active"); | 598 | ACPI_FUNCTION_TRACE("acpi_thermal_active"); |
592 | 599 | ||
593 | if (!tz) | 600 | if (!tz) |
594 | return_VALUE(-EINVAL); | 601 | return_VALUE(-EINVAL); |
595 | 602 | ||
596 | for (i=0; i<ACPI_THERMAL_MAX_ACTIVE; i++) { | 603 | for (i = 0; i < ACPI_THERMAL_MAX_ACTIVE; i++) { |
597 | 604 | ||
598 | active = &(tz->trips.active[i]); | 605 | active = &(tz->trips.active[i]); |
599 | if (!active || !active->flags.valid) | 606 | if (!active || !active->flags.valid) |
@@ -607,16 +614,27 @@ acpi_thermal_active ( | |||
607 | */ | 614 | */ |
608 | if (tz->temperature >= active->temperature) { | 615 | if (tz->temperature >= active->temperature) { |
609 | if (active->temperature > maxtemp) | 616 | if (active->temperature > maxtemp) |
610 | tz->state.active_index = i, maxtemp = active->temperature; | 617 | tz->state.active_index = i, maxtemp = |
618 | active->temperature; | ||
611 | if (!active->flags.enabled) { | 619 | if (!active->flags.enabled) { |
612 | for (j = 0; j < active->devices.count; j++) { | 620 | for (j = 0; j < active->devices.count; j++) { |
613 | result = acpi_bus_set_power(active->devices.handles[j], ACPI_STATE_D0); | 621 | result = |
622 | acpi_bus_set_power(active->devices. | ||
623 | handles[j], | ||
624 | ACPI_STATE_D0); | ||
614 | if (result) { | 625 | if (result) { |
615 | ACPI_DEBUG_PRINT((ACPI_DB_WARN, "Unable to turn cooling device [%p] 'on'\n", active->devices.handles[j])); | 626 | ACPI_DEBUG_PRINT((ACPI_DB_WARN, |
627 | "Unable to turn cooling device [%p] 'on'\n", | ||
628 | active-> | ||
629 | devices. | ||
630 | handles[j])); | ||
616 | continue; | 631 | continue; |
617 | } | 632 | } |
618 | active->flags.enabled = 1; | 633 | active->flags.enabled = 1; |
619 | ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Cooling device [%p] now 'on'\n", active->devices.handles[j])); | 634 | ACPI_DEBUG_PRINT((ACPI_DB_INFO, |
635 | "Cooling device [%p] now 'on'\n", | ||
636 | active->devices. | ||
637 | handles[j])); | ||
620 | } | 638 | } |
621 | } | 639 | } |
622 | } | 640 | } |
@@ -628,13 +646,21 @@ acpi_thermal_active ( | |||
628 | */ | 646 | */ |
629 | else if (active->flags.enabled) { | 647 | else if (active->flags.enabled) { |
630 | for (j = 0; j < active->devices.count; j++) { | 648 | for (j = 0; j < active->devices.count; j++) { |
631 | result = acpi_bus_set_power(active->devices.handles[j], ACPI_STATE_D3); | 649 | result = |
650 | acpi_bus_set_power(active->devices. | ||
651 | handles[j], | ||
652 | ACPI_STATE_D3); | ||
632 | if (result) { | 653 | if (result) { |
633 | ACPI_DEBUG_PRINT((ACPI_DB_WARN, "Unable to turn cooling device [%p] 'off'\n", active->devices.handles[j])); | 654 | ACPI_DEBUG_PRINT((ACPI_DB_WARN, |
655 | "Unable to turn cooling device [%p] 'off'\n", | ||
656 | active->devices. | ||
657 | handles[j])); | ||
634 | continue; | 658 | continue; |
635 | } | 659 | } |
636 | active->flags.enabled = 0; | 660 | active->flags.enabled = 0; |
637 | ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Cooling device [%p] now 'off'\n", active->devices.handles[j])); | 661 | ACPI_DEBUG_PRINT((ACPI_DB_INFO, |
662 | "Cooling device [%p] now 'off'\n", | ||
663 | active->devices.handles[j])); | ||
638 | } | 664 | } |
639 | } | 665 | } |
640 | } | 666 | } |
@@ -642,28 +668,22 @@ acpi_thermal_active ( | |||
642 | return_VALUE(0); | 668 | return_VALUE(0); |
643 | } | 669 | } |
644 | 670 | ||
671 | static void acpi_thermal_check(void *context); | ||
645 | 672 | ||
646 | static void acpi_thermal_check (void *context); | 673 | static void acpi_thermal_run(unsigned long data) |
647 | |||
648 | static void | ||
649 | acpi_thermal_run ( | ||
650 | unsigned long data) | ||
651 | { | 674 | { |
652 | struct acpi_thermal *tz = (struct acpi_thermal *)data; | 675 | struct acpi_thermal *tz = (struct acpi_thermal *)data; |
653 | if (!tz->zombie) | 676 | if (!tz->zombie) |
654 | acpi_os_queue_for_execution(OSD_PRIORITY_GPE, | 677 | acpi_os_queue_for_execution(OSD_PRIORITY_GPE, |
655 | acpi_thermal_check, (void *) data); | 678 | acpi_thermal_check, (void *)data); |
656 | } | 679 | } |
657 | 680 | ||
658 | 681 | static void acpi_thermal_check(void *data) | |
659 | static void | ||
660 | acpi_thermal_check ( | ||
661 | void *data) | ||
662 | { | 682 | { |
663 | int result = 0; | 683 | int result = 0; |
664 | struct acpi_thermal *tz = (struct acpi_thermal *) data; | 684 | struct acpi_thermal *tz = (struct acpi_thermal *)data; |
665 | unsigned long sleep_time = 0; | 685 | unsigned long sleep_time = 0; |
666 | int i = 0; | 686 | int i = 0; |
667 | struct acpi_thermal_state state; | 687 | struct acpi_thermal_state state; |
668 | 688 | ||
669 | ACPI_FUNCTION_TRACE("acpi_thermal_check"); | 689 | ACPI_FUNCTION_TRACE("acpi_thermal_check"); |
@@ -678,9 +698,9 @@ acpi_thermal_check ( | |||
678 | result = acpi_thermal_get_temperature(tz); | 698 | result = acpi_thermal_get_temperature(tz); |
679 | if (result) | 699 | if (result) |
680 | return_VOID; | 700 | return_VOID; |
681 | 701 | ||
682 | memset(&tz->state, 0, sizeof(tz->state)); | 702 | memset(&tz->state, 0, sizeof(tz->state)); |
683 | 703 | ||
684 | /* | 704 | /* |
685 | * Check Trip Points | 705 | * Check Trip Points |
686 | * ----------------- | 706 | * ----------------- |
@@ -690,14 +710,18 @@ acpi_thermal_check ( | |||
690 | * individual policy decides when it is exited (e.g. hysteresis). | 710 | * individual policy decides when it is exited (e.g. hysteresis). |
691 | */ | 711 | */ |
692 | if (tz->trips.critical.flags.valid) | 712 | if (tz->trips.critical.flags.valid) |
693 | state.critical |= (tz->temperature >= tz->trips.critical.temperature); | 713 | state.critical |= |
714 | (tz->temperature >= tz->trips.critical.temperature); | ||
694 | if (tz->trips.hot.flags.valid) | 715 | if (tz->trips.hot.flags.valid) |
695 | state.hot |= (tz->temperature >= tz->trips.hot.temperature); | 716 | state.hot |= (tz->temperature >= tz->trips.hot.temperature); |
696 | if (tz->trips.passive.flags.valid) | 717 | if (tz->trips.passive.flags.valid) |
697 | state.passive |= (tz->temperature >= tz->trips.passive.temperature); | 718 | state.passive |= |
698 | for (i=0; i<ACPI_THERMAL_MAX_ACTIVE; i++) | 719 | (tz->temperature >= tz->trips.passive.temperature); |
720 | for (i = 0; i < ACPI_THERMAL_MAX_ACTIVE; i++) | ||
699 | if (tz->trips.active[i].flags.valid) | 721 | if (tz->trips.active[i].flags.valid) |
700 | state.active |= (tz->temperature >= tz->trips.active[i].temperature); | 722 | state.active |= |
723 | (tz->temperature >= | ||
724 | tz->trips.active[i].temperature); | ||
701 | 725 | ||
702 | /* | 726 | /* |
703 | * Invoke Policy | 727 | * Invoke Policy |
@@ -726,7 +750,7 @@ acpi_thermal_check ( | |||
726 | tz->state.hot = 1; | 750 | tz->state.hot = 1; |
727 | if (tz->trips.passive.flags.enabled) | 751 | if (tz->trips.passive.flags.enabled) |
728 | tz->state.passive = 1; | 752 | tz->state.passive = 1; |
729 | for (i=0; i<ACPI_THERMAL_MAX_ACTIVE; i++) | 753 | for (i = 0; i < ACPI_THERMAL_MAX_ACTIVE; i++) |
730 | if (tz->trips.active[i].flags.enabled) | 754 | if (tz->trips.active[i].flags.enabled) |
731 | tz->state.active = 1; | 755 | tz->state.active = 1; |
732 | 756 | ||
@@ -744,8 +768,8 @@ acpi_thermal_check ( | |||
744 | else if (tz->polling_frequency > 0) | 768 | else if (tz->polling_frequency > 0) |
745 | sleep_time = tz->polling_frequency * 100; | 769 | sleep_time = tz->polling_frequency * 100; |
746 | 770 | ||
747 | ACPI_DEBUG_PRINT((ACPI_DB_INFO, "%s: temperature[%lu] sleep[%lu]\n", | 771 | ACPI_DEBUG_PRINT((ACPI_DB_INFO, "%s: temperature[%lu] sleep[%lu]\n", |
748 | tz->name, tz->temperature, sleep_time)); | 772 | tz->name, tz->temperature, sleep_time)); |
749 | 773 | ||
750 | /* | 774 | /* |
751 | * Schedule Next Poll | 775 | * Schedule Next Poll |
@@ -754,12 +778,11 @@ acpi_thermal_check ( | |||
754 | if (!sleep_time) { | 778 | if (!sleep_time) { |
755 | if (timer_pending(&(tz->timer))) | 779 | if (timer_pending(&(tz->timer))) |
756 | del_timer(&(tz->timer)); | 780 | del_timer(&(tz->timer)); |
757 | } | 781 | } else { |
758 | else { | ||
759 | if (timer_pending(&(tz->timer))) | 782 | if (timer_pending(&(tz->timer))) |
760 | mod_timer(&(tz->timer), (HZ * sleep_time) / 1000); | 783 | mod_timer(&(tz->timer), (HZ * sleep_time) / 1000); |
761 | else { | 784 | else { |
762 | tz->timer.data = (unsigned long) tz; | 785 | tz->timer.data = (unsigned long)tz; |
763 | tz->timer.function = acpi_thermal_run; | 786 | tz->timer.function = acpi_thermal_run; |
764 | tz->timer.expires = jiffies + (HZ * sleep_time) / 1000; | 787 | tz->timer.expires = jiffies + (HZ * sleep_time) / 1000; |
765 | add_timer(&(tz->timer)); | 788 | add_timer(&(tz->timer)); |
@@ -769,16 +792,15 @@ acpi_thermal_check ( | |||
769 | return_VOID; | 792 | return_VOID; |
770 | } | 793 | } |
771 | 794 | ||
772 | |||
773 | /* -------------------------------------------------------------------------- | 795 | /* -------------------------------------------------------------------------- |
774 | FS Interface (/proc) | 796 | FS Interface (/proc) |
775 | -------------------------------------------------------------------------- */ | 797 | -------------------------------------------------------------------------- */ |
776 | 798 | ||
777 | static struct proc_dir_entry *acpi_thermal_dir; | 799 | static struct proc_dir_entry *acpi_thermal_dir; |
778 | 800 | ||
779 | static int acpi_thermal_state_seq_show(struct seq_file *seq, void *offset) | 801 | static int acpi_thermal_state_seq_show(struct seq_file *seq, void *offset) |
780 | { | 802 | { |
781 | struct acpi_thermal *tz = (struct acpi_thermal *)seq->private; | 803 | struct acpi_thermal *tz = (struct acpi_thermal *)seq->private; |
782 | 804 | ||
783 | ACPI_FUNCTION_TRACE("acpi_thermal_state_seq_show"); | 805 | ACPI_FUNCTION_TRACE("acpi_thermal_state_seq_show"); |
784 | 806 | ||
@@ -787,7 +809,8 @@ static int acpi_thermal_state_seq_show(struct seq_file *seq, void *offset) | |||
787 | 809 | ||
788 | seq_puts(seq, "state: "); | 810 | seq_puts(seq, "state: "); |
789 | 811 | ||
790 | if (!tz->state.critical && !tz->state.hot && !tz->state.passive && !tz->state.active) | 812 | if (!tz->state.critical && !tz->state.hot && !tz->state.passive |
813 | && !tz->state.active) | ||
791 | seq_puts(seq, "ok\n"); | 814 | seq_puts(seq, "ok\n"); |
792 | else { | 815 | else { |
793 | if (tz->state.critical) | 816 | if (tz->state.critical) |
@@ -801,7 +824,7 @@ static int acpi_thermal_state_seq_show(struct seq_file *seq, void *offset) | |||
801 | seq_puts(seq, "\n"); | 824 | seq_puts(seq, "\n"); |
802 | } | 825 | } |
803 | 826 | ||
804 | end: | 827 | end: |
805 | return_VALUE(0); | 828 | return_VALUE(0); |
806 | } | 829 | } |
807 | 830 | ||
@@ -810,11 +833,10 @@ static int acpi_thermal_state_open_fs(struct inode *inode, struct file *file) | |||
810 | return single_open(file, acpi_thermal_state_seq_show, PDE(inode)->data); | 833 | return single_open(file, acpi_thermal_state_seq_show, PDE(inode)->data); |
811 | } | 834 | } |
812 | 835 | ||
813 | |||
814 | static int acpi_thermal_temp_seq_show(struct seq_file *seq, void *offset) | 836 | static int acpi_thermal_temp_seq_show(struct seq_file *seq, void *offset) |
815 | { | 837 | { |
816 | int result = 0; | 838 | int result = 0; |
817 | struct acpi_thermal *tz = (struct acpi_thermal *)seq->private; | 839 | struct acpi_thermal *tz = (struct acpi_thermal *)seq->private; |
818 | 840 | ||
819 | ACPI_FUNCTION_TRACE("acpi_thermal_temp_seq_show"); | 841 | ACPI_FUNCTION_TRACE("acpi_thermal_temp_seq_show"); |
820 | 842 | ||
@@ -825,10 +847,10 @@ static int acpi_thermal_temp_seq_show(struct seq_file *seq, void *offset) | |||
825 | if (result) | 847 | if (result) |
826 | goto end; | 848 | goto end; |
827 | 849 | ||
828 | seq_printf(seq, "temperature: %ld C\n", | 850 | seq_printf(seq, "temperature: %ld C\n", |
829 | KELVIN_TO_CELSIUS(tz->temperature)); | 851 | KELVIN_TO_CELSIUS(tz->temperature)); |
830 | 852 | ||
831 | end: | 853 | end: |
832 | return_VALUE(0); | 854 | return_VALUE(0); |
833 | } | 855 | } |
834 | 856 | ||
@@ -837,12 +859,11 @@ static int acpi_thermal_temp_open_fs(struct inode *inode, struct file *file) | |||
837 | return single_open(file, acpi_thermal_temp_seq_show, PDE(inode)->data); | 859 | return single_open(file, acpi_thermal_temp_seq_show, PDE(inode)->data); |
838 | } | 860 | } |
839 | 861 | ||
840 | |||
841 | static int acpi_thermal_trip_seq_show(struct seq_file *seq, void *offset) | 862 | static int acpi_thermal_trip_seq_show(struct seq_file *seq, void *offset) |
842 | { | 863 | { |
843 | struct acpi_thermal *tz = (struct acpi_thermal *)seq->private; | 864 | struct acpi_thermal *tz = (struct acpi_thermal *)seq->private; |
844 | int i = 0; | 865 | int i = 0; |
845 | int j = 0; | 866 | int j = 0; |
846 | 867 | ||
847 | ACPI_FUNCTION_TRACE("acpi_thermal_trip_seq_show"); | 868 | ACPI_FUNCTION_TRACE("acpi_thermal_trip_seq_show"); |
848 | 869 | ||
@@ -851,21 +872,22 @@ static int acpi_thermal_trip_seq_show(struct seq_file *seq, void *offset) | |||
851 | 872 | ||
852 | if (tz->trips.critical.flags.valid) | 873 | if (tz->trips.critical.flags.valid) |
853 | seq_printf(seq, "critical (S5): %ld C\n", | 874 | seq_printf(seq, "critical (S5): %ld C\n", |
854 | KELVIN_TO_CELSIUS(tz->trips.critical.temperature)); | 875 | KELVIN_TO_CELSIUS(tz->trips.critical.temperature)); |
855 | 876 | ||
856 | if (tz->trips.hot.flags.valid) | 877 | if (tz->trips.hot.flags.valid) |
857 | seq_printf(seq, "hot (S4): %ld C\n", | 878 | seq_printf(seq, "hot (S4): %ld C\n", |
858 | KELVIN_TO_CELSIUS(tz->trips.hot.temperature)); | 879 | KELVIN_TO_CELSIUS(tz->trips.hot.temperature)); |
859 | 880 | ||
860 | if (tz->trips.passive.flags.valid) { | 881 | if (tz->trips.passive.flags.valid) { |
861 | seq_printf(seq, "passive: %ld C: tc1=%lu tc2=%lu tsp=%lu devices=", | 882 | seq_printf(seq, |
862 | KELVIN_TO_CELSIUS(tz->trips.passive.temperature), | 883 | "passive: %ld C: tc1=%lu tc2=%lu tsp=%lu devices=", |
863 | tz->trips.passive.tc1, | 884 | KELVIN_TO_CELSIUS(tz->trips.passive.temperature), |
864 | tz->trips.passive.tc2, | 885 | tz->trips.passive.tc1, tz->trips.passive.tc2, |
865 | tz->trips.passive.tsp); | 886 | tz->trips.passive.tsp); |
866 | for (j=0; j<tz->trips.passive.devices.count; j++) { | 887 | for (j = 0; j < tz->trips.passive.devices.count; j++) { |
867 | 888 | ||
868 | seq_printf(seq, "0x%p ", tz->trips.passive.devices.handles[j]); | 889 | seq_printf(seq, "0x%p ", |
890 | tz->trips.passive.devices.handles[j]); | ||
869 | } | 891 | } |
870 | seq_puts(seq, "\n"); | 892 | seq_puts(seq, "\n"); |
871 | } | 893 | } |
@@ -874,14 +896,15 @@ static int acpi_thermal_trip_seq_show(struct seq_file *seq, void *offset) | |||
874 | if (!(tz->trips.active[i].flags.valid)) | 896 | if (!(tz->trips.active[i].flags.valid)) |
875 | break; | 897 | break; |
876 | seq_printf(seq, "active[%d]: %ld C: devices=", | 898 | seq_printf(seq, "active[%d]: %ld C: devices=", |
877 | i, KELVIN_TO_CELSIUS(tz->trips.active[i].temperature)); | 899 | i, |
878 | for (j = 0; j < tz->trips.active[i].devices.count; j++) | 900 | KELVIN_TO_CELSIUS(tz->trips.active[i].temperature)); |
901 | for (j = 0; j < tz->trips.active[i].devices.count; j++) | ||
879 | seq_printf(seq, "0x%p ", | 902 | seq_printf(seq, "0x%p ", |
880 | tz->trips.active[i].devices.handles[j]); | 903 | tz->trips.active[i].devices.handles[j]); |
881 | seq_puts(seq, "\n"); | 904 | seq_puts(seq, "\n"); |
882 | } | 905 | } |
883 | 906 | ||
884 | end: | 907 | end: |
885 | return_VALUE(0); | 908 | return_VALUE(0); |
886 | } | 909 | } |
887 | 910 | ||
@@ -891,30 +914,28 @@ static int acpi_thermal_trip_open_fs(struct inode *inode, struct file *file) | |||
891 | } | 914 | } |
892 | 915 | ||
893 | static ssize_t | 916 | static ssize_t |
894 | acpi_thermal_write_trip_points ( | 917 | acpi_thermal_write_trip_points(struct file *file, |
895 | struct file *file, | 918 | const char __user * buffer, |
896 | const char __user *buffer, | 919 | size_t count, loff_t * ppos) |
897 | size_t count, | ||
898 | loff_t *ppos) | ||
899 | { | 920 | { |
900 | struct seq_file *m = (struct seq_file *)file->private_data; | 921 | struct seq_file *m = (struct seq_file *)file->private_data; |
901 | struct acpi_thermal *tz = (struct acpi_thermal *)m->private; | 922 | struct acpi_thermal *tz = (struct acpi_thermal *)m->private; |
902 | 923 | ||
903 | char *limit_string; | 924 | char *limit_string; |
904 | int num, critical, hot, passive; | 925 | int num, critical, hot, passive; |
905 | int *active; | 926 | int *active; |
906 | int i = 0; | 927 | int i = 0; |
907 | 928 | ||
908 | ACPI_FUNCTION_TRACE("acpi_thermal_write_trip_points"); | 929 | ACPI_FUNCTION_TRACE("acpi_thermal_write_trip_points"); |
909 | 930 | ||
910 | limit_string = kmalloc(ACPI_THERMAL_MAX_LIMIT_STR_LEN, GFP_KERNEL); | 931 | limit_string = kmalloc(ACPI_THERMAL_MAX_LIMIT_STR_LEN, GFP_KERNEL); |
911 | if(!limit_string) | 932 | if (!limit_string) |
912 | return_VALUE(-ENOMEM); | 933 | return_VALUE(-ENOMEM); |
913 | 934 | ||
914 | memset(limit_string, 0, ACPI_THERMAL_MAX_LIMIT_STR_LEN); | 935 | memset(limit_string, 0, ACPI_THERMAL_MAX_LIMIT_STR_LEN); |
915 | 936 | ||
916 | active = kmalloc(ACPI_THERMAL_MAX_ACTIVE *sizeof(int), GFP_KERNEL); | 937 | active = kmalloc(ACPI_THERMAL_MAX_ACTIVE * sizeof(int), GFP_KERNEL); |
917 | if(!active) | 938 | if (!active) |
918 | return_VALUE(-ENOMEM); | 939 | return_VALUE(-ENOMEM); |
919 | 940 | ||
920 | if (!tz || (count > ACPI_THERMAL_MAX_LIMIT_STR_LEN - 1)) { | 941 | if (!tz || (count > ACPI_THERMAL_MAX_LIMIT_STR_LEN - 1)) { |
@@ -922,20 +943,21 @@ acpi_thermal_write_trip_points ( | |||
922 | count = -EINVAL; | 943 | count = -EINVAL; |
923 | goto end; | 944 | goto end; |
924 | } | 945 | } |
925 | 946 | ||
926 | if (copy_from_user(limit_string, buffer, count)) { | 947 | if (copy_from_user(limit_string, buffer, count)) { |
927 | ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Invalid data\n")); | 948 | ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Invalid data\n")); |
928 | count = -EFAULT; | 949 | count = -EFAULT; |
929 | goto end; | 950 | goto end; |
930 | } | 951 | } |
931 | 952 | ||
932 | limit_string[count] = '\0'; | 953 | limit_string[count] = '\0'; |
933 | 954 | ||
934 | num = sscanf(limit_string, "%d:%d:%d:%d:%d:%d:%d:%d:%d:%d:%d:%d:%d", | 955 | num = sscanf(limit_string, "%d:%d:%d:%d:%d:%d:%d:%d:%d:%d:%d:%d:%d", |
935 | &critical, &hot, &passive, | 956 | &critical, &hot, &passive, |
936 | &active[0], &active[1], &active[2], &active[3], &active[4], | 957 | &active[0], &active[1], &active[2], &active[3], &active[4], |
937 | &active[5], &active[6], &active[7], &active[8], &active[9]); | 958 | &active[5], &active[6], &active[7], &active[8], |
938 | if(!(num >=5 && num < (ACPI_THERMAL_MAX_ACTIVE + 3))) { | 959 | &active[9]); |
960 | if (!(num >= 5 && num < (ACPI_THERMAL_MAX_ACTIVE + 3))) { | ||
939 | ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Invalid data format\n")); | 961 | ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Invalid data format\n")); |
940 | count = -EINVAL; | 962 | count = -EINVAL; |
941 | goto end; | 963 | goto end; |
@@ -949,17 +971,16 @@ acpi_thermal_write_trip_points ( | |||
949 | break; | 971 | break; |
950 | tz->trips.active[i].temperature = CELSIUS_TO_KELVIN(active[i]); | 972 | tz->trips.active[i].temperature = CELSIUS_TO_KELVIN(active[i]); |
951 | } | 973 | } |
952 | 974 | ||
953 | end: | 975 | end: |
954 | kfree(active); | 976 | kfree(active); |
955 | kfree(limit_string); | 977 | kfree(limit_string); |
956 | return_VALUE(count); | 978 | return_VALUE(count); |
957 | } | 979 | } |
958 | 980 | ||
959 | |||
960 | static int acpi_thermal_cooling_seq_show(struct seq_file *seq, void *offset) | 981 | static int acpi_thermal_cooling_seq_show(struct seq_file *seq, void *offset) |
961 | { | 982 | { |
962 | struct acpi_thermal *tz = (struct acpi_thermal *)seq->private; | 983 | struct acpi_thermal *tz = (struct acpi_thermal *)seq->private; |
963 | 984 | ||
964 | ACPI_FUNCTION_TRACE("acpi_thermal_cooling_seq_show"); | 985 | ACPI_FUNCTION_TRACE("acpi_thermal_cooling_seq_show"); |
965 | 986 | ||
@@ -970,33 +991,31 @@ static int acpi_thermal_cooling_seq_show(struct seq_file *seq, void *offset) | |||
970 | seq_puts(seq, "<setting not supported>\n"); | 991 | seq_puts(seq, "<setting not supported>\n"); |
971 | } | 992 | } |
972 | 993 | ||
973 | if ( tz->cooling_mode == ACPI_THERMAL_MODE_CRITICAL ) | 994 | if (tz->cooling_mode == ACPI_THERMAL_MODE_CRITICAL) |
974 | seq_printf(seq, "cooling mode: critical\n"); | 995 | seq_printf(seq, "cooling mode: critical\n"); |
975 | else | 996 | else |
976 | seq_printf(seq, "cooling mode: %s\n", | 997 | seq_printf(seq, "cooling mode: %s\n", |
977 | tz->cooling_mode?"passive":"active"); | 998 | tz->cooling_mode ? "passive" : "active"); |
978 | 999 | ||
979 | end: | 1000 | end: |
980 | return_VALUE(0); | 1001 | return_VALUE(0); |
981 | } | 1002 | } |
982 | 1003 | ||
983 | static int acpi_thermal_cooling_open_fs(struct inode *inode, struct file *file) | 1004 | static int acpi_thermal_cooling_open_fs(struct inode *inode, struct file *file) |
984 | { | 1005 | { |
985 | return single_open(file, acpi_thermal_cooling_seq_show, | 1006 | return single_open(file, acpi_thermal_cooling_seq_show, |
986 | PDE(inode)->data); | 1007 | PDE(inode)->data); |
987 | } | 1008 | } |
988 | 1009 | ||
989 | static ssize_t | 1010 | static ssize_t |
990 | acpi_thermal_write_cooling_mode ( | 1011 | acpi_thermal_write_cooling_mode(struct file *file, |
991 | struct file *file, | 1012 | const char __user * buffer, |
992 | const char __user *buffer, | 1013 | size_t count, loff_t * ppos) |
993 | size_t count, | ||
994 | loff_t *ppos) | ||
995 | { | 1014 | { |
996 | struct seq_file *m = (struct seq_file *)file->private_data; | 1015 | struct seq_file *m = (struct seq_file *)file->private_data; |
997 | struct acpi_thermal *tz = (struct acpi_thermal *)m->private; | 1016 | struct acpi_thermal *tz = (struct acpi_thermal *)m->private; |
998 | int result = 0; | 1017 | int result = 0; |
999 | char mode_string[12] = {'\0'}; | 1018 | char mode_string[12] = { '\0' }; |
1000 | 1019 | ||
1001 | ACPI_FUNCTION_TRACE("acpi_thermal_write_cooling_mode"); | 1020 | ACPI_FUNCTION_TRACE("acpi_thermal_write_cooling_mode"); |
1002 | 1021 | ||
@@ -1008,11 +1027,12 @@ acpi_thermal_write_cooling_mode ( | |||
1008 | 1027 | ||
1009 | if (copy_from_user(mode_string, buffer, count)) | 1028 | if (copy_from_user(mode_string, buffer, count)) |
1010 | return_VALUE(-EFAULT); | 1029 | return_VALUE(-EFAULT); |
1011 | 1030 | ||
1012 | mode_string[count] = '\0'; | 1031 | mode_string[count] = '\0'; |
1013 | 1032 | ||
1014 | result = acpi_thermal_set_cooling_mode(tz, | 1033 | result = acpi_thermal_set_cooling_mode(tz, |
1015 | simple_strtoul(mode_string, NULL, 0)); | 1034 | simple_strtoul(mode_string, NULL, |
1035 | 0)); | ||
1016 | if (result) | 1036 | if (result) |
1017 | return_VALUE(result); | 1037 | return_VALUE(result); |
1018 | 1038 | ||
@@ -1021,10 +1041,9 @@ acpi_thermal_write_cooling_mode ( | |||
1021 | return_VALUE(count); | 1041 | return_VALUE(count); |
1022 | } | 1042 | } |
1023 | 1043 | ||
1024 | |||
1025 | static int acpi_thermal_polling_seq_show(struct seq_file *seq, void *offset) | 1044 | static int acpi_thermal_polling_seq_show(struct seq_file *seq, void *offset) |
1026 | { | 1045 | { |
1027 | struct acpi_thermal *tz = (struct acpi_thermal *)seq->private; | 1046 | struct acpi_thermal *tz = (struct acpi_thermal *)seq->private; |
1028 | 1047 | ||
1029 | ACPI_FUNCTION_TRACE("acpi_thermal_polling_seq_show"); | 1048 | ACPI_FUNCTION_TRACE("acpi_thermal_polling_seq_show"); |
1030 | 1049 | ||
@@ -1037,43 +1056,41 @@ static int acpi_thermal_polling_seq_show(struct seq_file *seq, void *offset) | |||
1037 | } | 1056 | } |
1038 | 1057 | ||
1039 | seq_printf(seq, "polling frequency: %lu seconds\n", | 1058 | seq_printf(seq, "polling frequency: %lu seconds\n", |
1040 | (tz->polling_frequency / 10)); | 1059 | (tz->polling_frequency / 10)); |
1041 | 1060 | ||
1042 | end: | 1061 | end: |
1043 | return_VALUE(0); | 1062 | return_VALUE(0); |
1044 | } | 1063 | } |
1045 | 1064 | ||
1046 | static int acpi_thermal_polling_open_fs(struct inode *inode, struct file *file) | 1065 | static int acpi_thermal_polling_open_fs(struct inode *inode, struct file *file) |
1047 | { | 1066 | { |
1048 | return single_open(file, acpi_thermal_polling_seq_show, | 1067 | return single_open(file, acpi_thermal_polling_seq_show, |
1049 | PDE(inode)->data); | 1068 | PDE(inode)->data); |
1050 | } | 1069 | } |
1051 | 1070 | ||
1052 | static ssize_t | 1071 | static ssize_t |
1053 | acpi_thermal_write_polling ( | 1072 | acpi_thermal_write_polling(struct file *file, |
1054 | struct file *file, | 1073 | const char __user * buffer, |
1055 | const char __user *buffer, | 1074 | size_t count, loff_t * ppos) |
1056 | size_t count, | ||
1057 | loff_t *ppos) | ||
1058 | { | 1075 | { |
1059 | struct seq_file *m = (struct seq_file *)file->private_data; | 1076 | struct seq_file *m = (struct seq_file *)file->private_data; |
1060 | struct acpi_thermal *tz = (struct acpi_thermal *)m->private; | 1077 | struct acpi_thermal *tz = (struct acpi_thermal *)m->private; |
1061 | int result = 0; | 1078 | int result = 0; |
1062 | char polling_string[12] = {'\0'}; | 1079 | char polling_string[12] = { '\0' }; |
1063 | int seconds = 0; | 1080 | int seconds = 0; |
1064 | 1081 | ||
1065 | ACPI_FUNCTION_TRACE("acpi_thermal_write_polling"); | 1082 | ACPI_FUNCTION_TRACE("acpi_thermal_write_polling"); |
1066 | 1083 | ||
1067 | if (!tz || (count > sizeof(polling_string) - 1)) | 1084 | if (!tz || (count > sizeof(polling_string) - 1)) |
1068 | return_VALUE(-EINVAL); | 1085 | return_VALUE(-EINVAL); |
1069 | 1086 | ||
1070 | if (copy_from_user(polling_string, buffer, count)) | 1087 | if (copy_from_user(polling_string, buffer, count)) |
1071 | return_VALUE(-EFAULT); | 1088 | return_VALUE(-EFAULT); |
1072 | 1089 | ||
1073 | polling_string[count] = '\0'; | 1090 | polling_string[count] = '\0'; |
1074 | 1091 | ||
1075 | seconds = simple_strtoul(polling_string, NULL, 0); | 1092 | seconds = simple_strtoul(polling_string, NULL, 0); |
1076 | 1093 | ||
1077 | result = acpi_thermal_set_polling(tz, seconds); | 1094 | result = acpi_thermal_set_polling(tz, seconds); |
1078 | if (result) | 1095 | if (result) |
1079 | return_VALUE(result); | 1096 | return_VALUE(result); |
@@ -1083,18 +1100,15 @@ acpi_thermal_write_polling ( | |||
1083 | return_VALUE(count); | 1100 | return_VALUE(count); |
1084 | } | 1101 | } |
1085 | 1102 | ||
1086 | 1103 | static int acpi_thermal_add_fs(struct acpi_device *device) | |
1087 | static int | ||
1088 | acpi_thermal_add_fs ( | ||
1089 | struct acpi_device *device) | ||
1090 | { | 1104 | { |
1091 | struct proc_dir_entry *entry = NULL; | 1105 | struct proc_dir_entry *entry = NULL; |
1092 | 1106 | ||
1093 | ACPI_FUNCTION_TRACE("acpi_thermal_add_fs"); | 1107 | ACPI_FUNCTION_TRACE("acpi_thermal_add_fs"); |
1094 | 1108 | ||
1095 | if (!acpi_device_dir(device)) { | 1109 | if (!acpi_device_dir(device)) { |
1096 | acpi_device_dir(device) = proc_mkdir(acpi_device_bid(device), | 1110 | acpi_device_dir(device) = proc_mkdir(acpi_device_bid(device), |
1097 | acpi_thermal_dir); | 1111 | acpi_thermal_dir); |
1098 | if (!acpi_device_dir(device)) | 1112 | if (!acpi_device_dir(device)) |
1099 | return_VALUE(-ENODEV); | 1113 | return_VALUE(-ENODEV); |
1100 | acpi_device_dir(device)->owner = THIS_MODULE; | 1114 | acpi_device_dir(device)->owner = THIS_MODULE; |
@@ -1102,11 +1116,11 @@ acpi_thermal_add_fs ( | |||
1102 | 1116 | ||
1103 | /* 'state' [R] */ | 1117 | /* 'state' [R] */ |
1104 | entry = create_proc_entry(ACPI_THERMAL_FILE_STATE, | 1118 | entry = create_proc_entry(ACPI_THERMAL_FILE_STATE, |
1105 | S_IRUGO, acpi_device_dir(device)); | 1119 | S_IRUGO, acpi_device_dir(device)); |
1106 | if (!entry) | 1120 | if (!entry) |
1107 | ACPI_DEBUG_PRINT((ACPI_DB_ERROR, | 1121 | ACPI_DEBUG_PRINT((ACPI_DB_ERROR, |
1108 | "Unable to create '%s' fs entry\n", | 1122 | "Unable to create '%s' fs entry\n", |
1109 | ACPI_THERMAL_FILE_STATE)); | 1123 | ACPI_THERMAL_FILE_STATE)); |
1110 | else { | 1124 | else { |
1111 | entry->proc_fops = &acpi_thermal_state_fops; | 1125 | entry->proc_fops = &acpi_thermal_state_fops; |
1112 | entry->data = acpi_driver_data(device); | 1126 | entry->data = acpi_driver_data(device); |
@@ -1115,11 +1129,11 @@ acpi_thermal_add_fs ( | |||
1115 | 1129 | ||
1116 | /* 'temperature' [R] */ | 1130 | /* 'temperature' [R] */ |
1117 | entry = create_proc_entry(ACPI_THERMAL_FILE_TEMPERATURE, | 1131 | entry = create_proc_entry(ACPI_THERMAL_FILE_TEMPERATURE, |
1118 | S_IRUGO, acpi_device_dir(device)); | 1132 | S_IRUGO, acpi_device_dir(device)); |
1119 | if (!entry) | 1133 | if (!entry) |
1120 | ACPI_DEBUG_PRINT((ACPI_DB_ERROR, | 1134 | ACPI_DEBUG_PRINT((ACPI_DB_ERROR, |
1121 | "Unable to create '%s' fs entry\n", | 1135 | "Unable to create '%s' fs entry\n", |
1122 | ACPI_THERMAL_FILE_TEMPERATURE)); | 1136 | ACPI_THERMAL_FILE_TEMPERATURE)); |
1123 | else { | 1137 | else { |
1124 | entry->proc_fops = &acpi_thermal_temp_fops; | 1138 | entry->proc_fops = &acpi_thermal_temp_fops; |
1125 | entry->data = acpi_driver_data(device); | 1139 | entry->data = acpi_driver_data(device); |
@@ -1128,11 +1142,12 @@ acpi_thermal_add_fs ( | |||
1128 | 1142 | ||
1129 | /* 'trip_points' [R/W] */ | 1143 | /* 'trip_points' [R/W] */ |
1130 | entry = create_proc_entry(ACPI_THERMAL_FILE_TRIP_POINTS, | 1144 | entry = create_proc_entry(ACPI_THERMAL_FILE_TRIP_POINTS, |
1131 | S_IFREG|S_IRUGO|S_IWUSR, acpi_device_dir(device)); | 1145 | S_IFREG | S_IRUGO | S_IWUSR, |
1146 | acpi_device_dir(device)); | ||
1132 | if (!entry) | 1147 | if (!entry) |
1133 | ACPI_DEBUG_PRINT((ACPI_DB_ERROR, | 1148 | ACPI_DEBUG_PRINT((ACPI_DB_ERROR, |
1134 | "Unable to create '%s' fs entry\n", | 1149 | "Unable to create '%s' fs entry\n", |
1135 | ACPI_THERMAL_FILE_TRIP_POINTS)); | 1150 | ACPI_THERMAL_FILE_TRIP_POINTS)); |
1136 | else { | 1151 | else { |
1137 | entry->proc_fops = &acpi_thermal_trip_fops; | 1152 | entry->proc_fops = &acpi_thermal_trip_fops; |
1138 | entry->data = acpi_driver_data(device); | 1153 | entry->data = acpi_driver_data(device); |
@@ -1141,11 +1156,12 @@ acpi_thermal_add_fs ( | |||
1141 | 1156 | ||
1142 | /* 'cooling_mode' [R/W] */ | 1157 | /* 'cooling_mode' [R/W] */ |
1143 | entry = create_proc_entry(ACPI_THERMAL_FILE_COOLING_MODE, | 1158 | entry = create_proc_entry(ACPI_THERMAL_FILE_COOLING_MODE, |
1144 | S_IFREG|S_IRUGO|S_IWUSR, acpi_device_dir(device)); | 1159 | S_IFREG | S_IRUGO | S_IWUSR, |
1160 | acpi_device_dir(device)); | ||
1145 | if (!entry) | 1161 | if (!entry) |
1146 | ACPI_DEBUG_PRINT((ACPI_DB_ERROR, | 1162 | ACPI_DEBUG_PRINT((ACPI_DB_ERROR, |
1147 | "Unable to create '%s' fs entry\n", | 1163 | "Unable to create '%s' fs entry\n", |
1148 | ACPI_THERMAL_FILE_COOLING_MODE)); | 1164 | ACPI_THERMAL_FILE_COOLING_MODE)); |
1149 | else { | 1165 | else { |
1150 | entry->proc_fops = &acpi_thermal_cooling_fops; | 1166 | entry->proc_fops = &acpi_thermal_cooling_fops; |
1151 | entry->data = acpi_driver_data(device); | 1167 | entry->data = acpi_driver_data(device); |
@@ -1154,11 +1170,12 @@ acpi_thermal_add_fs ( | |||
1154 | 1170 | ||
1155 | /* 'polling_frequency' [R/W] */ | 1171 | /* 'polling_frequency' [R/W] */ |
1156 | entry = create_proc_entry(ACPI_THERMAL_FILE_POLLING_FREQ, | 1172 | entry = create_proc_entry(ACPI_THERMAL_FILE_POLLING_FREQ, |
1157 | S_IFREG|S_IRUGO|S_IWUSR, acpi_device_dir(device)); | 1173 | S_IFREG | S_IRUGO | S_IWUSR, |
1174 | acpi_device_dir(device)); | ||
1158 | if (!entry) | 1175 | if (!entry) |
1159 | ACPI_DEBUG_PRINT((ACPI_DB_ERROR, | 1176 | ACPI_DEBUG_PRINT((ACPI_DB_ERROR, |
1160 | "Unable to create '%s' fs entry\n", | 1177 | "Unable to create '%s' fs entry\n", |
1161 | ACPI_THERMAL_FILE_POLLING_FREQ)); | 1178 | ACPI_THERMAL_FILE_POLLING_FREQ)); |
1162 | else { | 1179 | else { |
1163 | entry->proc_fops = &acpi_thermal_polling_fops; | 1180 | entry->proc_fops = &acpi_thermal_polling_fops; |
1164 | entry->data = acpi_driver_data(device); | 1181 | entry->data = acpi_driver_data(device); |
@@ -1168,10 +1185,7 @@ acpi_thermal_add_fs ( | |||
1168 | return_VALUE(0); | 1185 | return_VALUE(0); |
1169 | } | 1186 | } |
1170 | 1187 | ||
1171 | 1188 | static int acpi_thermal_remove_fs(struct acpi_device *device) | |
1172 | static int | ||
1173 | acpi_thermal_remove_fs ( | ||
1174 | struct acpi_device *device) | ||
1175 | { | 1189 | { |
1176 | ACPI_FUNCTION_TRACE("acpi_thermal_remove_fs"); | 1190 | ACPI_FUNCTION_TRACE("acpi_thermal_remove_fs"); |
1177 | 1191 | ||
@@ -1193,19 +1207,14 @@ acpi_thermal_remove_fs ( | |||
1193 | return_VALUE(0); | 1207 | return_VALUE(0); |
1194 | } | 1208 | } |
1195 | 1209 | ||
1196 | |||
1197 | /* -------------------------------------------------------------------------- | 1210 | /* -------------------------------------------------------------------------- |
1198 | Driver Interface | 1211 | Driver Interface |
1199 | -------------------------------------------------------------------------- */ | 1212 | -------------------------------------------------------------------------- */ |
1200 | 1213 | ||
1201 | static void | 1214 | static void acpi_thermal_notify(acpi_handle handle, u32 event, void *data) |
1202 | acpi_thermal_notify ( | ||
1203 | acpi_handle handle, | ||
1204 | u32 event, | ||
1205 | void *data) | ||
1206 | { | 1215 | { |
1207 | struct acpi_thermal *tz = (struct acpi_thermal *) data; | 1216 | struct acpi_thermal *tz = (struct acpi_thermal *)data; |
1208 | struct acpi_device *device = NULL; | 1217 | struct acpi_device *device = NULL; |
1209 | 1218 | ||
1210 | ACPI_FUNCTION_TRACE("acpi_thermal_notify"); | 1219 | ACPI_FUNCTION_TRACE("acpi_thermal_notify"); |
1211 | 1220 | ||
@@ -1231,19 +1240,16 @@ acpi_thermal_notify ( | |||
1231 | break; | 1240 | break; |
1232 | default: | 1241 | default: |
1233 | ACPI_DEBUG_PRINT((ACPI_DB_INFO, | 1242 | ACPI_DEBUG_PRINT((ACPI_DB_INFO, |
1234 | "Unsupported event [0x%x]\n", event)); | 1243 | "Unsupported event [0x%x]\n", event)); |
1235 | break; | 1244 | break; |
1236 | } | 1245 | } |
1237 | 1246 | ||
1238 | return_VOID; | 1247 | return_VOID; |
1239 | } | 1248 | } |
1240 | 1249 | ||
1241 | 1250 | static int acpi_thermal_get_info(struct acpi_thermal *tz) | |
1242 | static int | ||
1243 | acpi_thermal_get_info ( | ||
1244 | struct acpi_thermal *tz) | ||
1245 | { | 1251 | { |
1246 | int result = 0; | 1252 | int result = 0; |
1247 | 1253 | ||
1248 | ACPI_FUNCTION_TRACE("acpi_thermal_get_info"); | 1254 | ACPI_FUNCTION_TRACE("acpi_thermal_get_info"); |
1249 | 1255 | ||
@@ -1262,20 +1268,24 @@ acpi_thermal_get_info ( | |||
1262 | 1268 | ||
1263 | /* Set the cooling mode [_SCP] to active cooling (default) */ | 1269 | /* Set the cooling mode [_SCP] to active cooling (default) */ |
1264 | result = acpi_thermal_set_cooling_mode(tz, ACPI_THERMAL_MODE_ACTIVE); | 1270 | result = acpi_thermal_set_cooling_mode(tz, ACPI_THERMAL_MODE_ACTIVE); |
1265 | if (!result) | 1271 | if (!result) |
1266 | tz->flags.cooling_mode = 1; | 1272 | tz->flags.cooling_mode = 1; |
1267 | else { | 1273 | else { |
1268 | /* Oh,we have not _SCP method. | 1274 | /* Oh,we have not _SCP method. |
1269 | Generally show cooling_mode by _ACx, _PSV,spec 12.2*/ | 1275 | Generally show cooling_mode by _ACx, _PSV,spec 12.2 */ |
1270 | tz->flags.cooling_mode = 0; | 1276 | tz->flags.cooling_mode = 0; |
1271 | if ( tz->trips.active[0].flags.valid && tz->trips.passive.flags.valid ) { | 1277 | if (tz->trips.active[0].flags.valid |
1272 | if ( tz->trips.passive.temperature > tz->trips.active[0].temperature ) | 1278 | && tz->trips.passive.flags.valid) { |
1279 | if (tz->trips.passive.temperature > | ||
1280 | tz->trips.active[0].temperature) | ||
1273 | tz->cooling_mode = ACPI_THERMAL_MODE_ACTIVE; | 1281 | tz->cooling_mode = ACPI_THERMAL_MODE_ACTIVE; |
1274 | else | 1282 | else |
1275 | tz->cooling_mode = ACPI_THERMAL_MODE_PASSIVE; | 1283 | tz->cooling_mode = ACPI_THERMAL_MODE_PASSIVE; |
1276 | } else if ( !tz->trips.active[0].flags.valid && tz->trips.passive.flags.valid ) { | 1284 | } else if (!tz->trips.active[0].flags.valid |
1285 | && tz->trips.passive.flags.valid) { | ||
1277 | tz->cooling_mode = ACPI_THERMAL_MODE_PASSIVE; | 1286 | tz->cooling_mode = ACPI_THERMAL_MODE_PASSIVE; |
1278 | } else if ( tz->trips.active[0].flags.valid && !tz->trips.passive.flags.valid ) { | 1287 | } else if (tz->trips.active[0].flags.valid |
1288 | && !tz->trips.passive.flags.valid) { | ||
1279 | tz->cooling_mode = ACPI_THERMAL_MODE_ACTIVE; | 1289 | tz->cooling_mode = ACPI_THERMAL_MODE_ACTIVE; |
1280 | } else { | 1290 | } else { |
1281 | /* _ACx and _PSV are optional, but _CRT is required */ | 1291 | /* _ACx and _PSV are optional, but _CRT is required */ |
@@ -1297,14 +1307,11 @@ acpi_thermal_get_info ( | |||
1297 | return_VALUE(0); | 1307 | return_VALUE(0); |
1298 | } | 1308 | } |
1299 | 1309 | ||
1300 | 1310 | static int acpi_thermal_add(struct acpi_device *device) | |
1301 | static int | ||
1302 | acpi_thermal_add ( | ||
1303 | struct acpi_device *device) | ||
1304 | { | 1311 | { |
1305 | int result = 0; | 1312 | int result = 0; |
1306 | acpi_status status = AE_OK; | 1313 | acpi_status status = AE_OK; |
1307 | struct acpi_thermal *tz = NULL; | 1314 | struct acpi_thermal *tz = NULL; |
1308 | 1315 | ||
1309 | ACPI_FUNCTION_TRACE("acpi_thermal_add"); | 1316 | ACPI_FUNCTION_TRACE("acpi_thermal_add"); |
1310 | 1317 | ||
@@ -1335,19 +1342,20 @@ acpi_thermal_add ( | |||
1335 | acpi_thermal_check(tz); | 1342 | acpi_thermal_check(tz); |
1336 | 1343 | ||
1337 | status = acpi_install_notify_handler(tz->handle, | 1344 | status = acpi_install_notify_handler(tz->handle, |
1338 | ACPI_DEVICE_NOTIFY, acpi_thermal_notify, tz); | 1345 | ACPI_DEVICE_NOTIFY, |
1346 | acpi_thermal_notify, tz); | ||
1339 | if (ACPI_FAILURE(status)) { | 1347 | if (ACPI_FAILURE(status)) { |
1340 | ACPI_DEBUG_PRINT((ACPI_DB_ERROR, | 1348 | ACPI_DEBUG_PRINT((ACPI_DB_ERROR, |
1341 | "Error installing notify handler\n")); | 1349 | "Error installing notify handler\n")); |
1342 | result = -ENODEV; | 1350 | result = -ENODEV; |
1343 | goto end; | 1351 | goto end; |
1344 | } | 1352 | } |
1345 | 1353 | ||
1346 | printk(KERN_INFO PREFIX "%s [%s] (%ld C)\n", | 1354 | printk(KERN_INFO PREFIX "%s [%s] (%ld C)\n", |
1347 | acpi_device_name(device), acpi_device_bid(device), | 1355 | acpi_device_name(device), acpi_device_bid(device), |
1348 | KELVIN_TO_CELSIUS(tz->temperature)); | 1356 | KELVIN_TO_CELSIUS(tz->temperature)); |
1349 | 1357 | ||
1350 | end: | 1358 | end: |
1351 | if (result) { | 1359 | if (result) { |
1352 | acpi_thermal_remove_fs(device); | 1360 | acpi_thermal_remove_fs(device); |
1353 | kfree(tz); | 1361 | kfree(tz); |
@@ -1356,21 +1364,17 @@ end: | |||
1356 | return_VALUE(result); | 1364 | return_VALUE(result); |
1357 | } | 1365 | } |
1358 | 1366 | ||
1359 | 1367 | static int acpi_thermal_remove(struct acpi_device *device, int type) | |
1360 | static int | ||
1361 | acpi_thermal_remove ( | ||
1362 | struct acpi_device *device, | ||
1363 | int type) | ||
1364 | { | 1368 | { |
1365 | acpi_status status = AE_OK; | 1369 | acpi_status status = AE_OK; |
1366 | struct acpi_thermal *tz = NULL; | 1370 | struct acpi_thermal *tz = NULL; |
1367 | 1371 | ||
1368 | ACPI_FUNCTION_TRACE("acpi_thermal_remove"); | 1372 | ACPI_FUNCTION_TRACE("acpi_thermal_remove"); |
1369 | 1373 | ||
1370 | if (!device || !acpi_driver_data(device)) | 1374 | if (!device || !acpi_driver_data(device)) |
1371 | return_VALUE(-EINVAL); | 1375 | return_VALUE(-EINVAL); |
1372 | 1376 | ||
1373 | tz = (struct acpi_thermal *) acpi_driver_data(device); | 1377 | tz = (struct acpi_thermal *)acpi_driver_data(device); |
1374 | 1378 | ||
1375 | /* avoid timer adding new defer task */ | 1379 | /* avoid timer adding new defer task */ |
1376 | tz->zombie = 1; | 1380 | tz->zombie = 1; |
@@ -1382,19 +1386,19 @@ acpi_thermal_remove ( | |||
1382 | del_timer_sync(&(tz->timer)); | 1386 | del_timer_sync(&(tz->timer)); |
1383 | 1387 | ||
1384 | status = acpi_remove_notify_handler(tz->handle, | 1388 | status = acpi_remove_notify_handler(tz->handle, |
1385 | ACPI_DEVICE_NOTIFY, acpi_thermal_notify); | 1389 | ACPI_DEVICE_NOTIFY, |
1390 | acpi_thermal_notify); | ||
1386 | if (ACPI_FAILURE(status)) | 1391 | if (ACPI_FAILURE(status)) |
1387 | ACPI_DEBUG_PRINT((ACPI_DB_ERROR, | 1392 | ACPI_DEBUG_PRINT((ACPI_DB_ERROR, |
1388 | "Error removing notify handler\n")); | 1393 | "Error removing notify handler\n")); |
1389 | 1394 | ||
1390 | /* Terminate policy */ | 1395 | /* Terminate policy */ |
1391 | if (tz->trips.passive.flags.valid | 1396 | if (tz->trips.passive.flags.valid && tz->trips.passive.flags.enabled) { |
1392 | && tz->trips.passive.flags.enabled) { | ||
1393 | tz->trips.passive.flags.enabled = 0; | 1397 | tz->trips.passive.flags.enabled = 0; |
1394 | acpi_thermal_passive(tz); | 1398 | acpi_thermal_passive(tz); |
1395 | } | 1399 | } |
1396 | if (tz->trips.active[0].flags.valid | 1400 | if (tz->trips.active[0].flags.valid |
1397 | && tz->trips.active[0].flags.enabled) { | 1401 | && tz->trips.active[0].flags.enabled) { |
1398 | tz->trips.active[0].flags.enabled = 0; | 1402 | tz->trips.active[0].flags.enabled = 0; |
1399 | acpi_thermal_active(tz); | 1403 | acpi_thermal_active(tz); |
1400 | } | 1404 | } |
@@ -1405,11 +1409,9 @@ acpi_thermal_remove ( | |||
1405 | return_VALUE(0); | 1409 | return_VALUE(0); |
1406 | } | 1410 | } |
1407 | 1411 | ||
1408 | 1412 | static int __init acpi_thermal_init(void) | |
1409 | static int __init | ||
1410 | acpi_thermal_init (void) | ||
1411 | { | 1413 | { |
1412 | int result = 0; | 1414 | int result = 0; |
1413 | 1415 | ||
1414 | ACPI_FUNCTION_TRACE("acpi_thermal_init"); | 1416 | ACPI_FUNCTION_TRACE("acpi_thermal_init"); |
1415 | 1417 | ||
@@ -1427,9 +1429,7 @@ acpi_thermal_init (void) | |||
1427 | return_VALUE(0); | 1429 | return_VALUE(0); |
1428 | } | 1430 | } |
1429 | 1431 | ||
1430 | 1432 | static void __exit acpi_thermal_exit(void) | |
1431 | static void __exit | ||
1432 | acpi_thermal_exit (void) | ||
1433 | { | 1433 | { |
1434 | ACPI_FUNCTION_TRACE("acpi_thermal_exit"); | 1434 | ACPI_FUNCTION_TRACE("acpi_thermal_exit"); |
1435 | 1435 | ||
@@ -1440,6 +1440,5 @@ acpi_thermal_exit (void) | |||
1440 | return_VOID; | 1440 | return_VOID; |
1441 | } | 1441 | } |
1442 | 1442 | ||
1443 | |||
1444 | module_init(acpi_thermal_init); | 1443 | module_init(acpi_thermal_init); |
1445 | module_exit(acpi_thermal_exit); | 1444 | module_exit(acpi_thermal_exit); |