Commit | Line | Data |
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1406cdd1 | 1 | /* |
643f12db | 2 | * thinkpad_acpi.h - ThinkPad ACPI Extras |
1406cdd1 HMH |
3 | * |
4 | * | |
5 | * Copyright (C) 2004-2005 Borislav Deianov <borislav@users.sf.net> | |
6 | * Copyright (C) 2006-2007 Henrique de Moraes Holschuh <hmh@hmh.eng.br> | |
7 | * | |
8 | * This program is free software; you can redistribute it and/or modify | |
9 | * it under the terms of the GNU General Public License as published by | |
10 | * the Free Software Foundation; either version 2 of the License, or | |
11 | * (at your option) any later version. | |
12 | * | |
13 | * This program is distributed in the hope that it will be useful, | |
14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | * GNU General Public License for more details. | |
17 | * | |
18 | * You should have received a copy of the GNU General Public License | |
19 | * along with this program; if not, write to the Free Software | |
20 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA | |
21 | * 02110-1301, USA. | |
22 | */ | |
23 | ||
643f12db HMH |
24 | #ifndef __THINKPAD_ACPI_H__ |
25 | #define __THINKPAD_ACPI_H__ | |
1406cdd1 HMH |
26 | |
27 | #include <linux/kernel.h> | |
28 | #include <linux/module.h> | |
29 | #include <linux/init.h> | |
30 | #include <linux/types.h> | |
31 | #include <linux/string.h> | |
a5763f22 | 32 | #include <linux/list.h> |
40ca9fdf | 33 | #include <linux/mutex.h> |
01e88f25 HMH |
34 | #include <linux/kthread.h> |
35 | #include <linux/freezer.h> | |
36 | #include <linux/delay.h> | |
1406cdd1 | 37 | |
24d3b774 | 38 | #include <linux/nvram.h> |
1406cdd1 | 39 | #include <linux/proc_fs.h> |
176750d6 | 40 | #include <linux/sysfs.h> |
1406cdd1 HMH |
41 | #include <linux/backlight.h> |
42 | #include <linux/fb.h> | |
54ae1501 HMH |
43 | #include <linux/platform_device.h> |
44 | #include <linux/hwmon.h> | |
2c37aa4e | 45 | #include <linux/hwmon-sysfs.h> |
7f5d1cd6 | 46 | #include <linux/input.h> |
1406cdd1 HMH |
47 | #include <asm/uaccess.h> |
48 | ||
49 | #include <linux/dmi.h> | |
50 | #include <linux/jiffies.h> | |
51 | #include <linux/workqueue.h> | |
52 | ||
53 | #include <acpi/acpi_drivers.h> | |
54 | #include <acpi/acnamesp.h> | |
55 | ||
7f5d1cd6 | 56 | #include <linux/pci_ids.h> |
1406cdd1 HMH |
57 | |
58 | /**************************************************************************** | |
59 | * Main driver | |
60 | */ | |
61 | ||
643f12db HMH |
62 | #define IBM_NAME "thinkpad" |
63 | #define IBM_DESC "ThinkPad ACPI Extras" | |
7fd40029 | 64 | #define IBM_FILE IBM_NAME "_acpi" |
1406cdd1 | 65 | #define IBM_URL "http://ibm-acpi.sf.net/" |
8d376cd6 | 66 | #define IBM_MAIL "ibm-acpi-devel@lists.sourceforge.net" |
1406cdd1 | 67 | |
8d376cd6 | 68 | #define IBM_PROC_DIR "ibm" |
643f12db | 69 | #define IBM_ACPI_EVENT_PREFIX "ibm" |
54ae1501 | 70 | #define IBM_DRVR_NAME IBM_FILE |
7fd40029 | 71 | #define IBM_HWMON_DRVR_NAME IBM_NAME "_hwmon" |
1406cdd1 HMH |
72 | |
73 | #define IBM_LOG IBM_FILE ": " | |
74 | #define IBM_ERR KERN_ERR IBM_LOG | |
75 | #define IBM_NOTICE KERN_NOTICE IBM_LOG | |
76 | #define IBM_INFO KERN_INFO IBM_LOG | |
77 | #define IBM_DEBUG KERN_DEBUG IBM_LOG | |
78 | ||
79 | #define IBM_MAX_ACPI_ARGS 3 | |
80 | ||
81 | /* ThinkPad CMOS commands */ | |
82 | #define TP_CMOS_VOLUME_DOWN 0 | |
83 | #define TP_CMOS_VOLUME_UP 1 | |
84 | #define TP_CMOS_VOLUME_MUTE 2 | |
85 | #define TP_CMOS_BRIGHTNESS_UP 4 | |
86 | #define TP_CMOS_BRIGHTNESS_DOWN 5 | |
87 | ||
01e88f25 HMH |
88 | /* NVRAM Addresses */ |
89 | enum tp_nvram_addr { | |
90 | TP_NVRAM_ADDR_HK2 = 0x57, | |
91 | TP_NVRAM_ADDR_THINKLIGHT = 0x58, | |
92 | TP_NVRAM_ADDR_VIDEO = 0x59, | |
93 | TP_NVRAM_ADDR_BRIGHTNESS = 0x5e, | |
94 | TP_NVRAM_ADDR_MIXER = 0x60, | |
95 | }; | |
96 | ||
97 | /* NVRAM bit masks */ | |
98 | enum { | |
99 | TP_NVRAM_MASK_HKT_THINKPAD = 0x08, | |
100 | TP_NVRAM_MASK_HKT_ZOOM = 0x20, | |
101 | TP_NVRAM_MASK_HKT_DISPLAY = 0x40, | |
102 | TP_NVRAM_MASK_HKT_HIBERNATE = 0x80, | |
103 | TP_NVRAM_MASK_THINKLIGHT = 0x10, | |
104 | TP_NVRAM_MASK_HKT_DISPEXPND = 0x30, | |
105 | TP_NVRAM_MASK_HKT_BRIGHTNESS = 0x20, | |
106 | TP_NVRAM_MASK_LEVEL_BRIGHTNESS = 0x0f, | |
107 | TP_NVRAM_POS_LEVEL_BRIGHTNESS = 0, | |
108 | TP_NVRAM_MASK_MUTE = 0x40, | |
109 | TP_NVRAM_MASK_HKT_VOLUME = 0x80, | |
110 | TP_NVRAM_MASK_LEVEL_VOLUME = 0x0f, | |
111 | TP_NVRAM_POS_LEVEL_VOLUME = 0, | |
112 | }; | |
24d3b774 | 113 | |
1406cdd1 HMH |
114 | #define onoff(status,bit) ((status) & (1 << (bit)) ? "on" : "off") |
115 | #define enabled(status,bit) ((status) & (1 << (bit)) ? "enabled" : "disabled") | |
116 | #define strlencmp(a,b) (strncmp((a), (b), strlen(b))) | |
117 | ||
132ce091 HMH |
118 | /* Debugging */ |
119 | #define TPACPI_DBG_ALL 0xffff | |
fe08bc4b HMH |
120 | #define TPACPI_DBG_ALL 0xffff |
121 | #define TPACPI_DBG_INIT 0x0001 | |
122 | #define TPACPI_DBG_EXIT 0x0002 | |
132ce091 HMH |
123 | #define dbg_printk(a_dbg_level, format, arg...) \ |
124 | do { if (dbg_level & a_dbg_level) \ | |
125 | printk(IBM_DEBUG "%s: " format, __func__ , ## arg); } while (0) | |
126 | #ifdef CONFIG_THINKPAD_ACPI_DEBUG | |
127 | #define vdbg_printk(a_dbg_level, format, arg...) \ | |
128 | dbg_printk(a_dbg_level, format, ## arg) | |
fe08bc4b | 129 | static const char *str_supported(int is_supported); |
132ce091 HMH |
130 | #else |
131 | #define vdbg_printk(a_dbg_level, format, arg...) | |
132 | #endif | |
133 | ||
7f5d1cd6 HMH |
134 | /* Input IDs */ |
135 | #define TPACPI_HKEY_INPUT_VENDOR PCI_VENDOR_ID_IBM | |
136 | #define TPACPI_HKEY_INPUT_PRODUCT 0x5054 /* "TP" */ | |
137 | #define TPACPI_HKEY_INPUT_VERSION 0x4101 | |
138 | ||
1406cdd1 HMH |
139 | /* ACPI HIDs */ |
140 | #define IBM_HKEY_HID "IBM0068" | |
1406cdd1 HMH |
141 | |
142 | /* ACPI helpers */ | |
d01320e6 | 143 | static int __must_check acpi_evalf(acpi_handle handle, |
1406cdd1 | 144 | void *res, char *method, char *fmt, ...); |
d01320e6 HMH |
145 | static int __must_check acpi_ec_read(int i, u8 * p); |
146 | static int __must_check acpi_ec_write(int i, u8 v); | |
147 | static int __must_check _sta(acpi_handle handle); | |
1406cdd1 HMH |
148 | |
149 | /* ACPI handles */ | |
150 | static acpi_handle root_handle; /* root namespace */ | |
151 | static acpi_handle ec_handle; /* EC */ | |
152 | static acpi_handle ecrd_handle, ecwr_handle; /* 570 EC access */ | |
153 | static acpi_handle cmos_handle, hkey_handle; /* basic thinkpad handles */ | |
154 | ||
8d376cd6 | 155 | static void drv_acpi_handle_init(char *name, |
5fba344c | 156 | acpi_handle *handle, acpi_handle parent, |
1406cdd1 | 157 | char **paths, int num_paths, char **path); |
8d376cd6 HMH |
158 | #define IBM_ACPIHANDLE_INIT(object) \ |
159 | drv_acpi_handle_init(#object, &object##_handle, *object##_parent, \ | |
1406cdd1 HMH |
160 | object##_paths, ARRAY_SIZE(object##_paths), &object##_path) |
161 | ||
c9bea99c HMH |
162 | /* ThinkPad ACPI helpers */ |
163 | static int issue_thinkpad_cmos_command(int cmos_cmd); | |
164 | ||
1406cdd1 HMH |
165 | /* procfs support */ |
166 | static struct proc_dir_entry *proc_dir; | |
1406cdd1 HMH |
167 | |
168 | /* procfs helpers */ | |
8d376cd6 HMH |
169 | static int dispatch_procfs_read(char *page, char **start, off_t off, |
170 | int count, int *eof, void *data); | |
171 | static int dispatch_procfs_write(struct file *file, | |
172 | const char __user * userbuf, | |
1406cdd1 HMH |
173 | unsigned long count, void *data); |
174 | static char *next_cmd(char **cmds); | |
175 | ||
7252374a HMH |
176 | /* sysfs support */ |
177 | struct attribute_set { | |
178 | unsigned int members, max_members; | |
179 | struct attribute_group group; | |
180 | }; | |
181 | ||
182 | static struct attribute_set *create_attr_set(unsigned int max_members, | |
183 | const char* name); | |
184 | #define destroy_attr_set(_set) \ | |
185 | kfree(_set); | |
186 | static int add_to_attr_set(struct attribute_set* s, struct attribute *attr); | |
187 | static int add_many_to_attr_set(struct attribute_set* s, | |
188 | struct attribute **attr, | |
189 | unsigned int count); | |
190 | #define register_attr_set_with_sysfs(_attr_set, _kobj) \ | |
191 | sysfs_create_group(_kobj, &_attr_set->group) | |
192 | static void delete_attr_set(struct attribute_set* s, struct kobject *kobj); | |
193 | ||
194 | static int parse_strtoul(const char *buf, unsigned long max, | |
195 | unsigned long *value); | |
196 | ||
54ae1501 HMH |
197 | /* Device model */ |
198 | static struct platform_device *tpacpi_pdev; | |
7fd40029 | 199 | static struct platform_device *tpacpi_sensors_pdev; |
1beeffe4 | 200 | static struct device *tpacpi_hwmon; |
54ae1501 | 201 | static struct platform_driver tpacpi_pdriver; |
7f5d1cd6 | 202 | static struct input_dev *tpacpi_inputdev; |
176750d6 HMH |
203 | static int tpacpi_create_driver_attributes(struct device_driver *drv); |
204 | static void tpacpi_remove_driver_attributes(struct device_driver *drv); | |
54ae1501 | 205 | |
1406cdd1 HMH |
206 | /* Module */ |
207 | static int experimental; | |
132ce091 | 208 | static u32 dbg_level; |
0dcef77c | 209 | static int force_load; |
ff80f137 | 210 | static unsigned int hotkey_report_mode; |
1406cdd1 | 211 | |
1def7115 HMH |
212 | static int thinkpad_acpi_module_init(void); |
213 | static void thinkpad_acpi_module_exit(void); | |
1406cdd1 HMH |
214 | |
215 | ||
216 | /**************************************************************************** | |
217 | * Subdrivers | |
218 | */ | |
219 | ||
8d376cd6 | 220 | struct ibm_struct; |
1406cdd1 | 221 | |
8d376cd6 | 222 | struct tp_acpi_drv_struct { |
1ba90e3a | 223 | const struct acpi_device_id *hid; |
1406cdd1 HMH |
224 | struct acpi_driver *driver; |
225 | ||
1406cdd1 HMH |
226 | void (*notify) (struct ibm_struct *, u32); |
227 | acpi_handle *handle; | |
8d376cd6 | 228 | u32 type; |
1406cdd1 | 229 | struct acpi_device *device; |
8d376cd6 HMH |
230 | }; |
231 | ||
232 | struct ibm_struct { | |
233 | char *name; | |
234 | ||
235 | int (*read) (char *); | |
236 | int (*write) (char *); | |
237 | void (*exit) (void); | |
e295e850 | 238 | void (*resume) (void); |
1406cdd1 | 239 | |
a5763f22 HMH |
240 | struct list_head all_drivers; |
241 | ||
8d376cd6 HMH |
242 | struct tp_acpi_drv_struct *acpi; |
243 | ||
92641177 | 244 | struct { |
8d376cd6 HMH |
245 | u8 acpi_driver_registered:1; |
246 | u8 acpi_notify_installed:1; | |
92641177 HMH |
247 | u8 proc_created:1; |
248 | u8 init_called:1; | |
92641177 HMH |
249 | u8 experimental:1; |
250 | } flags; | |
1406cdd1 HMH |
251 | }; |
252 | ||
a5763f22 HMH |
253 | struct ibm_init_struct { |
254 | char param[32]; | |
255 | ||
256 | int (*init) (struct ibm_init_struct *); | |
257 | struct ibm_struct *data; | |
258 | }; | |
259 | ||
d8fd94d9 HMH |
260 | static struct { |
261 | #ifdef CONFIG_THINKPAD_ACPI_BAY | |
4b2fe7e2 HMH |
262 | u32 bay_status:1; |
263 | u32 bay_eject:1; | |
264 | u32 bay_status2:1; | |
265 | u32 bay_eject2:1; | |
d8fd94d9 | 266 | #endif |
4b2fe7e2 HMH |
267 | u32 bluetooth:1; |
268 | u32 hotkey:1; | |
269 | u32 hotkey_mask:1; | |
270 | u32 hotkey_wlsw:1; | |
271 | u32 light:1; | |
272 | u32 light_status:1; | |
a3f104c0 | 273 | u32 bright_16levels:1; |
4b2fe7e2 HMH |
274 | u32 wan:1; |
275 | u32 fan_ctrl_status_undef:1; | |
276 | u32 input_device_registered:1; | |
277 | u32 platform_drv_registered:1; | |
278 | u32 platform_drv_attrs_registered:1; | |
7fd40029 | 279 | u32 sensors_pdrv_registered:1; |
2369cc94 | 280 | u32 sensors_pdrv_attrs_registered:1; |
7fd40029 | 281 | u32 sensors_pdev_attrs_registered:1; |
01e88f25 | 282 | u32 hotkey_poll_active:1; |
d8fd94d9 HMH |
283 | } tp_features; |
284 | ||
d5a2f2f1 HMH |
285 | struct thinkpad_id_data { |
286 | unsigned int vendor; /* ThinkPad vendor: | |
287 | * PCI_VENDOR_ID_IBM/PCI_VENDOR_ID_LENOVO */ | |
288 | ||
289 | char *bios_version_str; /* Something like 1ZET51WW (1.03z) */ | |
290 | char *ec_version_str; /* Something like 1ZHT51WW-1.04a */ | |
291 | ||
292 | u16 bios_model; /* Big Endian, TP-1Y = 0x5931, 0 = unknown */ | |
293 | u16 ec_model; | |
294 | ||
295 | char *model_str; | |
296 | }; | |
297 | ||
298 | static struct thinkpad_id_data thinkpad_id; | |
299 | ||
a5763f22 HMH |
300 | static struct list_head tpacpi_all_drivers; |
301 | ||
302 | static struct ibm_init_struct ibms_init[]; | |
1406cdd1 | 303 | static int set_ibm_param(const char *val, struct kernel_param *kp); |
a5763f22 | 304 | static int ibm_init(struct ibm_init_struct *iibm); |
1406cdd1 HMH |
305 | static void ibm_exit(struct ibm_struct *ibm); |
306 | ||
a5763f22 HMH |
307 | |
308 | /* | |
309 | * procfs master subdriver | |
310 | */ | |
311 | static int thinkpad_acpi_driver_init(struct ibm_init_struct *iibm); | |
312 | static int thinkpad_acpi_driver_read(char *p); | |
1406cdd1 HMH |
313 | |
314 | ||
315 | /* | |
316 | * Bay subdriver | |
317 | */ | |
318 | ||
85998248 | 319 | #ifdef CONFIG_THINKPAD_ACPI_BAY |
1406cdd1 HMH |
320 | static acpi_handle bay_handle, bay_ej_handle; |
321 | static acpi_handle bay2_handle, bay2_ej_handle; | |
322 | ||
a5763f22 | 323 | static int bay_init(struct ibm_init_struct *iibm); |
1406cdd1 HMH |
324 | static void bay_notify(struct ibm_struct *ibm, u32 event); |
325 | static int bay_read(char *p); | |
326 | static int bay_write(char *buf); | |
85998248 | 327 | #endif /* CONFIG_THINKPAD_ACPI_BAY */ |
1406cdd1 HMH |
328 | |
329 | ||
330 | /* | |
331 | * Beep subdriver | |
332 | */ | |
333 | ||
334 | static acpi_handle beep_handle; | |
335 | ||
336 | static int beep_read(char *p); | |
337 | static int beep_write(char *buf); | |
338 | ||
339 | ||
340 | /* | |
341 | * Bluetooth subdriver | |
342 | */ | |
343 | ||
d6fdd1e9 HMH |
344 | enum { |
345 | /* ACPI GBDC/SBDC bits */ | |
346 | TP_ACPI_BLUETOOTH_HWPRESENT = 0x01, /* Bluetooth hw available */ | |
347 | TP_ACPI_BLUETOOTH_RADIOSSW = 0x02, /* Bluetooth radio enabled */ | |
348 | TP_ACPI_BLUETOOTH_UNK = 0x04, /* unknown function */ | |
349 | }; | |
350 | ||
a5763f22 | 351 | static int bluetooth_init(struct ibm_init_struct *iibm); |
d6fdd1e9 HMH |
352 | static int bluetooth_get_radiosw(void); |
353 | static int bluetooth_set_radiosw(int radio_on); | |
1406cdd1 HMH |
354 | static int bluetooth_read(char *p); |
355 | static int bluetooth_write(char *buf); | |
356 | ||
357 | ||
358 | /* | |
359 | * Brightness (backlight) subdriver | |
360 | */ | |
361 | ||
7d5a015e HMH |
362 | #define TPACPI_BACKLIGHT_DEV_NAME "thinkpad_screen" |
363 | ||
1406cdd1 HMH |
364 | static struct backlight_device *ibm_backlight_device; |
365 | static int brightness_offset = 0x31; | |
24d3b774 | 366 | static int brightness_mode; |
87cc537a | 367 | static unsigned int brightness_enable; /* 0 = no, 1 = yes, 2 = auto */ |
1406cdd1 | 368 | |
a5763f22 | 369 | static int brightness_init(struct ibm_init_struct *iibm); |
1406cdd1 HMH |
370 | static void brightness_exit(void); |
371 | static int brightness_get(struct backlight_device *bd); | |
372 | static int brightness_set(int value); | |
373 | static int brightness_update_status(struct backlight_device *bd); | |
374 | static int brightness_read(char *p); | |
375 | static int brightness_write(char *buf); | |
376 | ||
377 | ||
378 | /* | |
379 | * CMOS subdriver | |
380 | */ | |
381 | ||
1406cdd1 HMH |
382 | static int cmos_read(char *p); |
383 | static int cmos_write(char *buf); | |
384 | ||
385 | ||
386 | /* | |
387 | * Dock subdriver | |
388 | */ | |
389 | ||
85998248 | 390 | #ifdef CONFIG_THINKPAD_ACPI_DOCK |
5fba344c | 391 | static acpi_handle pci_handle; |
1406cdd1 HMH |
392 | static acpi_handle dock_handle; |
393 | ||
394 | static void dock_notify(struct ibm_struct *ibm, u32 event); | |
395 | static int dock_read(char *p); | |
396 | static int dock_write(char *buf); | |
85998248 | 397 | #endif /* CONFIG_THINKPAD_ACPI_DOCK */ |
1406cdd1 HMH |
398 | |
399 | ||
400 | /* | |
401 | * EC dump subdriver | |
402 | */ | |
403 | ||
404 | static int ecdump_read(char *p) ; | |
405 | static int ecdump_write(char *buf); | |
406 | ||
407 | ||
408 | /* | |
409 | * Fan subdriver | |
410 | */ | |
411 | ||
412 | enum { /* Fan control constants */ | |
413 | fan_status_offset = 0x2f, /* EC register 0x2f */ | |
414 | fan_rpm_offset = 0x84, /* EC register 0x84: LSB, 0x85 MSB (RPM) | |
415 | * 0x84 must be read before 0x85 */ | |
416 | ||
efa27145 HMH |
417 | TP_EC_FAN_FULLSPEED = 0x40, /* EC fan mode: full speed */ |
418 | TP_EC_FAN_AUTO = 0x80, /* EC fan mode: auto fan control */ | |
fe98a52c HMH |
419 | |
420 | TPACPI_FAN_LAST_LEVEL = 0x100, /* Use cached last-seen fan level */ | |
1406cdd1 HMH |
421 | }; |
422 | ||
423 | enum fan_status_access_mode { | |
efa27145 HMH |
424 | TPACPI_FAN_NONE = 0, /* No fan status or control */ |
425 | TPACPI_FAN_RD_ACPI_GFAN, /* Use ACPI GFAN */ | |
426 | TPACPI_FAN_RD_TPEC, /* Use ACPI EC regs 0x2f, 0x84-0x85 */ | |
1406cdd1 HMH |
427 | }; |
428 | ||
429 | enum fan_control_access_mode { | |
efa27145 HMH |
430 | TPACPI_FAN_WR_NONE = 0, /* No fan control */ |
431 | TPACPI_FAN_WR_ACPI_SFAN, /* Use ACPI SFAN */ | |
432 | TPACPI_FAN_WR_TPEC, /* Use ACPI EC reg 0x2f */ | |
433 | TPACPI_FAN_WR_ACPI_FANS, /* Use ACPI FANS and EC reg 0x2f */ | |
1406cdd1 HMH |
434 | }; |
435 | ||
436 | enum fan_control_commands { | |
efa27145 HMH |
437 | TPACPI_FAN_CMD_SPEED = 0x0001, /* speed command */ |
438 | TPACPI_FAN_CMD_LEVEL = 0x0002, /* level command */ | |
439 | TPACPI_FAN_CMD_ENABLE = 0x0004, /* enable/disable cmd, | |
1406cdd1 HMH |
440 | * and also watchdog cmd */ |
441 | }; | |
442 | ||
ecf2a80a HMH |
443 | static int fan_control_allowed; |
444 | ||
1406cdd1 HMH |
445 | static enum fan_status_access_mode fan_status_access_mode; |
446 | static enum fan_control_access_mode fan_control_access_mode; | |
447 | static enum fan_control_commands fan_control_commands; | |
1406cdd1 | 448 | static u8 fan_control_initial_status; |
fe98a52c | 449 | static u8 fan_control_desired_level; |
1406cdd1 HMH |
450 | static int fan_watchdog_maxinterval; |
451 | ||
836a53f4 | 452 | static struct mutex fan_mutex; |
40ca9fdf | 453 | |
1406cdd1 HMH |
454 | static acpi_handle fans_handle, gfan_handle, sfan_handle; |
455 | ||
a5763f22 | 456 | static int fan_init(struct ibm_init_struct *iibm); |
1406cdd1 HMH |
457 | static void fan_exit(void); |
458 | static int fan_get_status(u8 *status); | |
fe98a52c | 459 | static int fan_get_status_safe(u8 *status); |
1406cdd1 | 460 | static int fan_get_speed(unsigned int *speed); |
fe98a52c | 461 | static void fan_update_desired_level(u8 status); |
1406cdd1 HMH |
462 | static void fan_watchdog_fire(struct work_struct *ignored); |
463 | static void fan_watchdog_reset(void); | |
464 | static int fan_set_level(int level); | |
fe98a52c | 465 | static int fan_set_level_safe(int level); |
1406cdd1 HMH |
466 | static int fan_set_enable(void); |
467 | static int fan_set_disable(void); | |
468 | static int fan_set_speed(int speed); | |
469 | static int fan_read(char *p); | |
470 | static int fan_write(char *buf); | |
471 | static int fan_write_cmd_level(const char *cmd, int *rc); | |
472 | static int fan_write_cmd_enable(const char *cmd, int *rc); | |
473 | static int fan_write_cmd_disable(const char *cmd, int *rc); | |
474 | static int fan_write_cmd_speed(const char *cmd, int *rc); | |
475 | static int fan_write_cmd_watchdog(const char *cmd, int *rc); | |
476 | ||
477 | ||
478 | /* | |
479 | * Hotkey subdriver | |
480 | */ | |
481 | ||
01e88f25 HMH |
482 | enum { /* hot key scan codes (derived from ACPI DSDT) */ |
483 | TP_ACPI_HOTKEYSCAN_FNF1 = 0, | |
484 | TP_ACPI_HOTKEYSCAN_FNF2, | |
485 | TP_ACPI_HOTKEYSCAN_FNF3, | |
486 | TP_ACPI_HOTKEYSCAN_FNF4, | |
487 | TP_ACPI_HOTKEYSCAN_FNF5, | |
488 | TP_ACPI_HOTKEYSCAN_FNF6, | |
489 | TP_ACPI_HOTKEYSCAN_FNF7, | |
490 | TP_ACPI_HOTKEYSCAN_FNF8, | |
491 | TP_ACPI_HOTKEYSCAN_FNF9, | |
492 | TP_ACPI_HOTKEYSCAN_FNF10, | |
493 | TP_ACPI_HOTKEYSCAN_FNF11, | |
494 | TP_ACPI_HOTKEYSCAN_FNF12, | |
495 | TP_ACPI_HOTKEYSCAN_FNBACKSPACE, | |
496 | TP_ACPI_HOTKEYSCAN_FNINSERT, | |
497 | TP_ACPI_HOTKEYSCAN_FNDELETE, | |
498 | TP_ACPI_HOTKEYSCAN_FNHOME, | |
499 | TP_ACPI_HOTKEYSCAN_FNEND, | |
500 | TP_ACPI_HOTKEYSCAN_FNPAGEUP, | |
501 | TP_ACPI_HOTKEYSCAN_FNPAGEDOWN, | |
502 | TP_ACPI_HOTKEYSCAN_FNSPACE, | |
503 | TP_ACPI_HOTKEYSCAN_VOLUMEUP, | |
504 | TP_ACPI_HOTKEYSCAN_VOLUMEDOWN, | |
505 | TP_ACPI_HOTKEYSCAN_MUTE, | |
506 | TP_ACPI_HOTKEYSCAN_THINKPAD, | |
507 | }; | |
508 | ||
1406cdd1 | 509 | static int hotkey_orig_status; |
ae92bd17 | 510 | static u32 hotkey_orig_mask; |
1406cdd1 | 511 | |
40ca9fdf HMH |
512 | static struct mutex hotkey_mutex; |
513 | ||
a5763f22 | 514 | static int hotkey_init(struct ibm_init_struct *iibm); |
1406cdd1 | 515 | static void hotkey_exit(void); |
1406cdd1 HMH |
516 | static void hotkey_notify(struct ibm_struct *ibm, u32 event); |
517 | static int hotkey_read(char *p); | |
518 | static int hotkey_write(char *buf); | |
519 | ||
520 | ||
521 | /* | |
522 | * LED subdriver | |
523 | */ | |
524 | ||
525 | enum led_access_mode { | |
efa27145 HMH |
526 | TPACPI_LED_NONE = 0, |
527 | TPACPI_LED_570, /* 570 */ | |
528 | TPACPI_LED_OLD, /* 600e/x, 770e, 770x, A21e, A2xm/p, T20-22, X20-21 */ | |
529 | TPACPI_LED_NEW, /* all others */ | |
1406cdd1 HMH |
530 | }; |
531 | ||
efa27145 HMH |
532 | enum { /* For TPACPI_LED_OLD */ |
533 | TPACPI_LED_EC_HLCL = 0x0c, /* EC reg to get led to power on */ | |
534 | TPACPI_LED_EC_HLBL = 0x0d, /* EC reg to blink a lit led */ | |
535 | TPACPI_LED_EC_HLMS = 0x0e, /* EC reg to select led to command */ | |
1406cdd1 HMH |
536 | }; |
537 | ||
538 | static enum led_access_mode led_supported; | |
539 | static acpi_handle led_handle; | |
540 | ||
a5763f22 | 541 | static int led_init(struct ibm_init_struct *iibm); |
1406cdd1 HMH |
542 | static int led_read(char *p); |
543 | static int led_write(char *buf); | |
544 | ||
545 | /* | |
546 | * Light (thinklight) subdriver | |
547 | */ | |
548 | ||
1406cdd1 HMH |
549 | static acpi_handle lght_handle, ledb_handle; |
550 | ||
a5763f22 | 551 | static int light_init(struct ibm_init_struct *iibm); |
1406cdd1 HMH |
552 | static int light_read(char *p); |
553 | static int light_write(char *buf); | |
554 | ||
555 | ||
556 | /* | |
557 | * Thermal subdriver | |
558 | */ | |
559 | ||
560 | enum thermal_access_mode { | |
efa27145 HMH |
561 | TPACPI_THERMAL_NONE = 0, /* No thermal support */ |
562 | TPACPI_THERMAL_ACPI_TMP07, /* Use ACPI TMP0-7 */ | |
563 | TPACPI_THERMAL_ACPI_UPDT, /* Use ACPI TMP0-7 with UPDT */ | |
564 | TPACPI_THERMAL_TPEC_8, /* Use ACPI EC regs, 8 sensors */ | |
565 | TPACPI_THERMAL_TPEC_16, /* Use ACPI EC regs, 16 sensors */ | |
1406cdd1 HMH |
566 | }; |
567 | ||
04cc862c HMH |
568 | enum { /* TPACPI_THERMAL_TPEC_* */ |
569 | TP_EC_THERMAL_TMP0 = 0x78, /* ACPI EC regs TMP 0..7 */ | |
570 | TP_EC_THERMAL_TMP8 = 0xC0, /* ACPI EC regs TMP 8..15 */ | |
2c37aa4e | 571 | TP_EC_THERMAL_TMP_NA = -128, /* ACPI EC sensor not available */ |
04cc862c HMH |
572 | }; |
573 | ||
efa27145 | 574 | #define TPACPI_MAX_THERMAL_SENSORS 16 /* Max thermal sensors supported */ |
1406cdd1 | 575 | struct ibm_thermal_sensors_struct { |
efa27145 | 576 | s32 temp[TPACPI_MAX_THERMAL_SENSORS]; |
1406cdd1 HMH |
577 | }; |
578 | ||
04cc862c HMH |
579 | static enum thermal_access_mode thermal_read_mode; |
580 | ||
a5763f22 | 581 | static int thermal_init(struct ibm_init_struct *iibm); |
04cc862c | 582 | static int thermal_get_sensor(int idx, s32 *value); |
1406cdd1 HMH |
583 | static int thermal_get_sensors(struct ibm_thermal_sensors_struct *s); |
584 | static int thermal_read(char *p); | |
585 | ||
586 | ||
587 | /* | |
588 | * Video subdriver | |
589 | */ | |
590 | ||
591 | enum video_access_mode { | |
efa27145 HMH |
592 | TPACPI_VIDEO_NONE = 0, |
593 | TPACPI_VIDEO_570, /* 570 */ | |
594 | TPACPI_VIDEO_770, /* 600e/x, 770e, 770x */ | |
595 | TPACPI_VIDEO_NEW, /* all others */ | |
1406cdd1 HMH |
596 | }; |
597 | ||
83f34724 HMH |
598 | enum { /* video status flags, based on VIDEO_570 */ |
599 | TP_ACPI_VIDEO_S_LCD = 0x01, /* LCD output enabled */ | |
600 | TP_ACPI_VIDEO_S_CRT = 0x02, /* CRT output enabled */ | |
601 | TP_ACPI_VIDEO_S_DVI = 0x08, /* DVI output enabled */ | |
602 | }; | |
603 | ||
604 | enum { /* TPACPI_VIDEO_570 constants */ | |
605 | TP_ACPI_VIDEO_570_PHSCMD = 0x87, /* unknown magic constant :( */ | |
606 | TP_ACPI_VIDEO_570_PHSMASK = 0x03, /* PHS bits that map to | |
607 | * video_status_flags */ | |
608 | TP_ACPI_VIDEO_570_PHS2CMD = 0x8b, /* unknown magic constant :( */ | |
609 | TP_ACPI_VIDEO_570_PHS2SET = 0x80, /* unknown magic constant :( */ | |
610 | }; | |
611 | ||
1406cdd1 HMH |
612 | static enum video_access_mode video_supported; |
613 | static int video_orig_autosw; | |
614 | static acpi_handle vid_handle, vid2_handle; | |
615 | ||
a5763f22 | 616 | static int video_init(struct ibm_init_struct *iibm); |
1406cdd1 | 617 | static void video_exit(void); |
83f34724 HMH |
618 | static int video_outputsw_get(void); |
619 | static int video_outputsw_set(int status); | |
620 | static int video_autosw_get(void); | |
621 | static int video_autosw_set(int enable); | |
622 | static int video_outputsw_cycle(void); | |
623 | static int video_expand_toggle(void); | |
1406cdd1 HMH |
624 | static int video_read(char *p); |
625 | static int video_write(char *buf); | |
626 | ||
627 | ||
628 | /* | |
629 | * Volume subdriver | |
630 | */ | |
631 | ||
632 | static int volume_offset = 0x30; | |
633 | ||
634 | static int volume_read(char *p); | |
635 | static int volume_write(char *buf); | |
636 | ||
637 | ||
638 | /* | |
639 | * Wan subdriver | |
640 | */ | |
641 | ||
d6fdd1e9 HMH |
642 | enum { |
643 | /* ACPI GWAN/SWAN bits */ | |
644 | TP_ACPI_WANCARD_HWPRESENT = 0x01, /* Wan hw available */ | |
645 | TP_ACPI_WANCARD_RADIOSSW = 0x02, /* Wan radio enabled */ | |
646 | TP_ACPI_WANCARD_UNK = 0x04, /* unknown function */ | |
647 | }; | |
648 | ||
a5763f22 | 649 | static int wan_init(struct ibm_init_struct *iibm); |
d6fdd1e9 HMH |
650 | static int wan_get_radiosw(void); |
651 | static int wan_set_radiosw(int radio_on); | |
1406cdd1 HMH |
652 | static int wan_read(char *p); |
653 | static int wan_write(char *buf); | |
654 | ||
655 | ||
643f12db | 656 | #endif /* __THINKPAD_ACPI_H */ |