Commit | Line | Data |
---|---|---|
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> |
1406cdd1 HMH |
33 | |
34 | #include <linux/proc_fs.h> | |
35 | #include <linux/backlight.h> | |
36 | #include <linux/fb.h> | |
37 | #include <asm/uaccess.h> | |
38 | ||
39 | #include <linux/dmi.h> | |
40 | #include <linux/jiffies.h> | |
41 | #include <linux/workqueue.h> | |
42 | ||
43 | #include <acpi/acpi_drivers.h> | |
44 | #include <acpi/acnamesp.h> | |
45 | ||
46 | ||
47 | /**************************************************************************** | |
48 | * Main driver | |
49 | */ | |
50 | ||
643f12db HMH |
51 | #define IBM_NAME "thinkpad" |
52 | #define IBM_DESC "ThinkPad ACPI Extras" | |
53 | #define IBM_FILE "thinkpad_acpi" | |
1406cdd1 | 54 | #define IBM_URL "http://ibm-acpi.sf.net/" |
8d376cd6 | 55 | #define IBM_MAIL "ibm-acpi-devel@lists.sourceforge.net" |
1406cdd1 | 56 | |
8d376cd6 | 57 | #define IBM_PROC_DIR "ibm" |
643f12db | 58 | #define IBM_ACPI_EVENT_PREFIX "ibm" |
1406cdd1 HMH |
59 | |
60 | #define IBM_LOG IBM_FILE ": " | |
61 | #define IBM_ERR KERN_ERR IBM_LOG | |
62 | #define IBM_NOTICE KERN_NOTICE IBM_LOG | |
63 | #define IBM_INFO KERN_INFO IBM_LOG | |
64 | #define IBM_DEBUG KERN_DEBUG IBM_LOG | |
65 | ||
66 | #define IBM_MAX_ACPI_ARGS 3 | |
67 | ||
68 | /* ThinkPad CMOS commands */ | |
69 | #define TP_CMOS_VOLUME_DOWN 0 | |
70 | #define TP_CMOS_VOLUME_UP 1 | |
71 | #define TP_CMOS_VOLUME_MUTE 2 | |
72 | #define TP_CMOS_BRIGHTNESS_UP 4 | |
73 | #define TP_CMOS_BRIGHTNESS_DOWN 5 | |
74 | ||
75 | #define onoff(status,bit) ((status) & (1 << (bit)) ? "on" : "off") | |
76 | #define enabled(status,bit) ((status) & (1 << (bit)) ? "enabled" : "disabled") | |
77 | #define strlencmp(a,b) (strncmp((a), (b), strlen(b))) | |
78 | ||
132ce091 HMH |
79 | /* Debugging */ |
80 | #define TPACPI_DBG_ALL 0xffff | |
fe08bc4b HMH |
81 | #define TPACPI_DBG_ALL 0xffff |
82 | #define TPACPI_DBG_INIT 0x0001 | |
83 | #define TPACPI_DBG_EXIT 0x0002 | |
132ce091 HMH |
84 | #define dbg_printk(a_dbg_level, format, arg...) \ |
85 | do { if (dbg_level & a_dbg_level) \ | |
86 | printk(IBM_DEBUG "%s: " format, __func__ , ## arg); } while (0) | |
87 | #ifdef CONFIG_THINKPAD_ACPI_DEBUG | |
88 | #define vdbg_printk(a_dbg_level, format, arg...) \ | |
89 | dbg_printk(a_dbg_level, format, ## arg) | |
fe08bc4b | 90 | static const char *str_supported(int is_supported); |
132ce091 HMH |
91 | #else |
92 | #define vdbg_printk(a_dbg_level, format, arg...) | |
93 | #endif | |
94 | ||
1406cdd1 HMH |
95 | /* ACPI HIDs */ |
96 | #define IBM_HKEY_HID "IBM0068" | |
97 | #define IBM_PCI_HID "PNP0A03" | |
98 | ||
99 | /* ACPI helpers */ | |
d01320e6 | 100 | static int __must_check acpi_evalf(acpi_handle handle, |
1406cdd1 | 101 | void *res, char *method, char *fmt, ...); |
d01320e6 HMH |
102 | static int __must_check acpi_ec_read(int i, u8 * p); |
103 | static int __must_check acpi_ec_write(int i, u8 v); | |
104 | static int __must_check _sta(acpi_handle handle); | |
1406cdd1 HMH |
105 | |
106 | /* ACPI handles */ | |
107 | static acpi_handle root_handle; /* root namespace */ | |
108 | static acpi_handle ec_handle; /* EC */ | |
109 | static acpi_handle ecrd_handle, ecwr_handle; /* 570 EC access */ | |
110 | static acpi_handle cmos_handle, hkey_handle; /* basic thinkpad handles */ | |
111 | ||
8d376cd6 | 112 | static void drv_acpi_handle_init(char *name, |
5fba344c | 113 | acpi_handle *handle, acpi_handle parent, |
1406cdd1 | 114 | char **paths, int num_paths, char **path); |
8d376cd6 HMH |
115 | #define IBM_ACPIHANDLE_INIT(object) \ |
116 | drv_acpi_handle_init(#object, &object##_handle, *object##_parent, \ | |
1406cdd1 HMH |
117 | object##_paths, ARRAY_SIZE(object##_paths), &object##_path) |
118 | ||
119 | /* procfs support */ | |
120 | static struct proc_dir_entry *proc_dir; | |
1406cdd1 HMH |
121 | |
122 | /* procfs helpers */ | |
8d376cd6 HMH |
123 | static int dispatch_procfs_read(char *page, char **start, off_t off, |
124 | int count, int *eof, void *data); | |
125 | static int dispatch_procfs_write(struct file *file, | |
126 | const char __user * userbuf, | |
1406cdd1 HMH |
127 | unsigned long count, void *data); |
128 | static char *next_cmd(char **cmds); | |
129 | ||
130 | /* Module */ | |
131 | static int experimental; | |
132ce091 | 132 | static u32 dbg_level; |
0dcef77c | 133 | static int force_load; |
1406cdd1 HMH |
134 | static char *ibm_thinkpad_ec_found; |
135 | ||
136 | static char* check_dmi_for_ec(void); | |
1def7115 HMH |
137 | static int thinkpad_acpi_module_init(void); |
138 | static void thinkpad_acpi_module_exit(void); | |
1406cdd1 HMH |
139 | |
140 | ||
141 | /**************************************************************************** | |
142 | * Subdrivers | |
143 | */ | |
144 | ||
8d376cd6 | 145 | struct ibm_struct; |
1406cdd1 | 146 | |
8d376cd6 | 147 | struct tp_acpi_drv_struct { |
1406cdd1 HMH |
148 | char *hid; |
149 | struct acpi_driver *driver; | |
150 | ||
1406cdd1 HMH |
151 | void (*notify) (struct ibm_struct *, u32); |
152 | acpi_handle *handle; | |
8d376cd6 | 153 | u32 type; |
1406cdd1 | 154 | struct acpi_device *device; |
8d376cd6 HMH |
155 | }; |
156 | ||
157 | struct ibm_struct { | |
158 | char *name; | |
159 | ||
160 | int (*read) (char *); | |
161 | int (*write) (char *); | |
162 | void (*exit) (void); | |
1406cdd1 | 163 | |
a5763f22 HMH |
164 | struct list_head all_drivers; |
165 | ||
8d376cd6 HMH |
166 | struct tp_acpi_drv_struct *acpi; |
167 | ||
92641177 | 168 | struct { |
8d376cd6 HMH |
169 | u8 acpi_driver_registered:1; |
170 | u8 acpi_notify_installed:1; | |
92641177 HMH |
171 | u8 proc_created:1; |
172 | u8 init_called:1; | |
92641177 HMH |
173 | u8 experimental:1; |
174 | } flags; | |
1406cdd1 HMH |
175 | }; |
176 | ||
a5763f22 HMH |
177 | struct ibm_init_struct { |
178 | char param[32]; | |
179 | ||
180 | int (*init) (struct ibm_init_struct *); | |
181 | struct ibm_struct *data; | |
182 | }; | |
183 | ||
d8fd94d9 HMH |
184 | static struct { |
185 | #ifdef CONFIG_THINKPAD_ACPI_BAY | |
186 | u16 bay_status:1; | |
187 | u16 bay_eject:1; | |
188 | u16 bay_status2:1; | |
189 | u16 bay_eject2:1; | |
190 | #endif | |
191 | u16 bluetooth:1; | |
192 | u16 hotkey:1; | |
193 | u16 hotkey_mask:1; | |
194 | u16 light:1; | |
195 | u16 light_status:1; | |
196 | u16 wan:1; | |
197 | u16 fan_ctrl_status_undef:1; | |
198 | } tp_features; | |
199 | ||
a5763f22 HMH |
200 | static struct list_head tpacpi_all_drivers; |
201 | ||
202 | static struct ibm_init_struct ibms_init[]; | |
1406cdd1 | 203 | static int set_ibm_param(const char *val, struct kernel_param *kp); |
a5763f22 | 204 | static int ibm_init(struct ibm_init_struct *iibm); |
1406cdd1 HMH |
205 | static void ibm_exit(struct ibm_struct *ibm); |
206 | ||
a5763f22 HMH |
207 | |
208 | /* | |
209 | * procfs master subdriver | |
210 | */ | |
211 | static int thinkpad_acpi_driver_init(struct ibm_init_struct *iibm); | |
212 | static int thinkpad_acpi_driver_read(char *p); | |
1406cdd1 HMH |
213 | |
214 | ||
215 | /* | |
216 | * Bay subdriver | |
217 | */ | |
218 | ||
85998248 | 219 | #ifdef CONFIG_THINKPAD_ACPI_BAY |
1406cdd1 HMH |
220 | static acpi_handle bay_handle, bay_ej_handle; |
221 | static acpi_handle bay2_handle, bay2_ej_handle; | |
222 | ||
a5763f22 | 223 | static int bay_init(struct ibm_init_struct *iibm); |
1406cdd1 HMH |
224 | static void bay_notify(struct ibm_struct *ibm, u32 event); |
225 | static int bay_read(char *p); | |
226 | static int bay_write(char *buf); | |
85998248 | 227 | #endif /* CONFIG_THINKPAD_ACPI_BAY */ |
1406cdd1 HMH |
228 | |
229 | ||
230 | /* | |
231 | * Beep subdriver | |
232 | */ | |
233 | ||
234 | static acpi_handle beep_handle; | |
235 | ||
236 | static int beep_read(char *p); | |
237 | static int beep_write(char *buf); | |
238 | ||
239 | ||
240 | /* | |
241 | * Bluetooth subdriver | |
242 | */ | |
243 | ||
d6fdd1e9 HMH |
244 | enum { |
245 | /* ACPI GBDC/SBDC bits */ | |
246 | TP_ACPI_BLUETOOTH_HWPRESENT = 0x01, /* Bluetooth hw available */ | |
247 | TP_ACPI_BLUETOOTH_RADIOSSW = 0x02, /* Bluetooth radio enabled */ | |
248 | TP_ACPI_BLUETOOTH_UNK = 0x04, /* unknown function */ | |
249 | }; | |
250 | ||
a5763f22 | 251 | static int bluetooth_init(struct ibm_init_struct *iibm); |
d6fdd1e9 HMH |
252 | static int bluetooth_get_radiosw(void); |
253 | static int bluetooth_set_radiosw(int radio_on); | |
1406cdd1 HMH |
254 | static int bluetooth_read(char *p); |
255 | static int bluetooth_write(char *buf); | |
256 | ||
257 | ||
258 | /* | |
259 | * Brightness (backlight) subdriver | |
260 | */ | |
261 | ||
262 | static struct backlight_device *ibm_backlight_device; | |
263 | static int brightness_offset = 0x31; | |
264 | ||
a5763f22 | 265 | static int brightness_init(struct ibm_init_struct *iibm); |
1406cdd1 HMH |
266 | static void brightness_exit(void); |
267 | static int brightness_get(struct backlight_device *bd); | |
268 | static int brightness_set(int value); | |
269 | static int brightness_update_status(struct backlight_device *bd); | |
270 | static int brightness_read(char *p); | |
271 | static int brightness_write(char *buf); | |
272 | ||
273 | ||
274 | /* | |
275 | * CMOS subdriver | |
276 | */ | |
277 | ||
278 | static int cmos_eval(int cmos_cmd); | |
279 | static int cmos_read(char *p); | |
280 | static int cmos_write(char *buf); | |
281 | ||
282 | ||
283 | /* | |
284 | * Dock subdriver | |
285 | */ | |
286 | ||
85998248 | 287 | #ifdef CONFIG_THINKPAD_ACPI_DOCK |
5fba344c | 288 | static acpi_handle pci_handle; |
1406cdd1 HMH |
289 | static acpi_handle dock_handle; |
290 | ||
291 | static void dock_notify(struct ibm_struct *ibm, u32 event); | |
292 | static int dock_read(char *p); | |
293 | static int dock_write(char *buf); | |
85998248 | 294 | #endif /* CONFIG_THINKPAD_ACPI_DOCK */ |
1406cdd1 HMH |
295 | |
296 | ||
297 | /* | |
298 | * EC dump subdriver | |
299 | */ | |
300 | ||
301 | static int ecdump_read(char *p) ; | |
302 | static int ecdump_write(char *buf); | |
303 | ||
304 | ||
305 | /* | |
306 | * Fan subdriver | |
307 | */ | |
308 | ||
309 | enum { /* Fan control constants */ | |
310 | fan_status_offset = 0x2f, /* EC register 0x2f */ | |
311 | fan_rpm_offset = 0x84, /* EC register 0x84: LSB, 0x85 MSB (RPM) | |
312 | * 0x84 must be read before 0x85 */ | |
313 | ||
efa27145 HMH |
314 | TP_EC_FAN_FULLSPEED = 0x40, /* EC fan mode: full speed */ |
315 | TP_EC_FAN_AUTO = 0x80, /* EC fan mode: auto fan control */ | |
1406cdd1 HMH |
316 | }; |
317 | ||
318 | enum fan_status_access_mode { | |
efa27145 HMH |
319 | TPACPI_FAN_NONE = 0, /* No fan status or control */ |
320 | TPACPI_FAN_RD_ACPI_GFAN, /* Use ACPI GFAN */ | |
321 | TPACPI_FAN_RD_TPEC, /* Use ACPI EC regs 0x2f, 0x84-0x85 */ | |
1406cdd1 HMH |
322 | }; |
323 | ||
324 | enum fan_control_access_mode { | |
efa27145 HMH |
325 | TPACPI_FAN_WR_NONE = 0, /* No fan control */ |
326 | TPACPI_FAN_WR_ACPI_SFAN, /* Use ACPI SFAN */ | |
327 | TPACPI_FAN_WR_TPEC, /* Use ACPI EC reg 0x2f */ | |
328 | TPACPI_FAN_WR_ACPI_FANS, /* Use ACPI FANS and EC reg 0x2f */ | |
1406cdd1 HMH |
329 | }; |
330 | ||
331 | enum fan_control_commands { | |
efa27145 HMH |
332 | TPACPI_FAN_CMD_SPEED = 0x0001, /* speed command */ |
333 | TPACPI_FAN_CMD_LEVEL = 0x0002, /* level command */ | |
334 | TPACPI_FAN_CMD_ENABLE = 0x0004, /* enable/disable cmd, | |
1406cdd1 HMH |
335 | * and also watchdog cmd */ |
336 | }; | |
337 | ||
338 | static enum fan_status_access_mode fan_status_access_mode; | |
339 | static enum fan_control_access_mode fan_control_access_mode; | |
340 | static enum fan_control_commands fan_control_commands; | |
1406cdd1 HMH |
341 | static u8 fan_control_initial_status; |
342 | static int fan_watchdog_maxinterval; | |
343 | ||
344 | static acpi_handle fans_handle, gfan_handle, sfan_handle; | |
345 | ||
a5763f22 | 346 | static int fan_init(struct ibm_init_struct *iibm); |
1406cdd1 HMH |
347 | static void fan_exit(void); |
348 | static int fan_get_status(u8 *status); | |
349 | static int fan_get_speed(unsigned int *speed); | |
350 | static void fan_watchdog_fire(struct work_struct *ignored); | |
351 | static void fan_watchdog_reset(void); | |
352 | static int fan_set_level(int level); | |
353 | static int fan_set_enable(void); | |
354 | static int fan_set_disable(void); | |
355 | static int fan_set_speed(int speed); | |
356 | static int fan_read(char *p); | |
357 | static int fan_write(char *buf); | |
358 | static int fan_write_cmd_level(const char *cmd, int *rc); | |
359 | static int fan_write_cmd_enable(const char *cmd, int *rc); | |
360 | static int fan_write_cmd_disable(const char *cmd, int *rc); | |
361 | static int fan_write_cmd_speed(const char *cmd, int *rc); | |
362 | static int fan_write_cmd_watchdog(const char *cmd, int *rc); | |
363 | ||
364 | ||
365 | /* | |
366 | * Hotkey subdriver | |
367 | */ | |
368 | ||
1406cdd1 HMH |
369 | static int hotkey_orig_status; |
370 | static int hotkey_orig_mask; | |
371 | ||
a5763f22 | 372 | static int hotkey_init(struct ibm_init_struct *iibm); |
1406cdd1 HMH |
373 | static void hotkey_exit(void); |
374 | static int hotkey_get(int *status, int *mask); | |
375 | static int hotkey_set(int status, int mask); | |
376 | static void hotkey_notify(struct ibm_struct *ibm, u32 event); | |
377 | static int hotkey_read(char *p); | |
378 | static int hotkey_write(char *buf); | |
379 | ||
380 | ||
381 | /* | |
382 | * LED subdriver | |
383 | */ | |
384 | ||
385 | enum led_access_mode { | |
efa27145 HMH |
386 | TPACPI_LED_NONE = 0, |
387 | TPACPI_LED_570, /* 570 */ | |
388 | TPACPI_LED_OLD, /* 600e/x, 770e, 770x, A21e, A2xm/p, T20-22, X20-21 */ | |
389 | TPACPI_LED_NEW, /* all others */ | |
1406cdd1 HMH |
390 | }; |
391 | ||
efa27145 HMH |
392 | enum { /* For TPACPI_LED_OLD */ |
393 | TPACPI_LED_EC_HLCL = 0x0c, /* EC reg to get led to power on */ | |
394 | TPACPI_LED_EC_HLBL = 0x0d, /* EC reg to blink a lit led */ | |
395 | TPACPI_LED_EC_HLMS = 0x0e, /* EC reg to select led to command */ | |
1406cdd1 HMH |
396 | }; |
397 | ||
398 | static enum led_access_mode led_supported; | |
399 | static acpi_handle led_handle; | |
400 | ||
a5763f22 | 401 | static int led_init(struct ibm_init_struct *iibm); |
1406cdd1 HMH |
402 | static int led_read(char *p); |
403 | static int led_write(char *buf); | |
404 | ||
405 | /* | |
406 | * Light (thinklight) subdriver | |
407 | */ | |
408 | ||
1406cdd1 HMH |
409 | static acpi_handle lght_handle, ledb_handle; |
410 | ||
a5763f22 | 411 | static int light_init(struct ibm_init_struct *iibm); |
1406cdd1 HMH |
412 | static int light_read(char *p); |
413 | static int light_write(char *buf); | |
414 | ||
415 | ||
416 | /* | |
417 | * Thermal subdriver | |
418 | */ | |
419 | ||
420 | enum thermal_access_mode { | |
efa27145 HMH |
421 | TPACPI_THERMAL_NONE = 0, /* No thermal support */ |
422 | TPACPI_THERMAL_ACPI_TMP07, /* Use ACPI TMP0-7 */ | |
423 | TPACPI_THERMAL_ACPI_UPDT, /* Use ACPI TMP0-7 with UPDT */ | |
424 | TPACPI_THERMAL_TPEC_8, /* Use ACPI EC regs, 8 sensors */ | |
425 | TPACPI_THERMAL_TPEC_16, /* Use ACPI EC regs, 16 sensors */ | |
1406cdd1 HMH |
426 | }; |
427 | ||
efa27145 | 428 | #define TPACPI_MAX_THERMAL_SENSORS 16 /* Max thermal sensors supported */ |
1406cdd1 | 429 | struct ibm_thermal_sensors_struct { |
efa27145 | 430 | s32 temp[TPACPI_MAX_THERMAL_SENSORS]; |
1406cdd1 HMH |
431 | }; |
432 | ||
a5763f22 | 433 | static int thermal_init(struct ibm_init_struct *iibm); |
1406cdd1 HMH |
434 | static int thermal_get_sensors(struct ibm_thermal_sensors_struct *s); |
435 | static int thermal_read(char *p); | |
436 | ||
437 | ||
438 | /* | |
439 | * Video subdriver | |
440 | */ | |
441 | ||
442 | enum video_access_mode { | |
efa27145 HMH |
443 | TPACPI_VIDEO_NONE = 0, |
444 | TPACPI_VIDEO_570, /* 570 */ | |
445 | TPACPI_VIDEO_770, /* 600e/x, 770e, 770x */ | |
446 | TPACPI_VIDEO_NEW, /* all others */ | |
1406cdd1 HMH |
447 | }; |
448 | ||
83f34724 HMH |
449 | enum { /* video status flags, based on VIDEO_570 */ |
450 | TP_ACPI_VIDEO_S_LCD = 0x01, /* LCD output enabled */ | |
451 | TP_ACPI_VIDEO_S_CRT = 0x02, /* CRT output enabled */ | |
452 | TP_ACPI_VIDEO_S_DVI = 0x08, /* DVI output enabled */ | |
453 | }; | |
454 | ||
455 | enum { /* TPACPI_VIDEO_570 constants */ | |
456 | TP_ACPI_VIDEO_570_PHSCMD = 0x87, /* unknown magic constant :( */ | |
457 | TP_ACPI_VIDEO_570_PHSMASK = 0x03, /* PHS bits that map to | |
458 | * video_status_flags */ | |
459 | TP_ACPI_VIDEO_570_PHS2CMD = 0x8b, /* unknown magic constant :( */ | |
460 | TP_ACPI_VIDEO_570_PHS2SET = 0x80, /* unknown magic constant :( */ | |
461 | }; | |
462 | ||
1406cdd1 HMH |
463 | static enum video_access_mode video_supported; |
464 | static int video_orig_autosw; | |
465 | static acpi_handle vid_handle, vid2_handle; | |
466 | ||
a5763f22 | 467 | static int video_init(struct ibm_init_struct *iibm); |
1406cdd1 | 468 | static void video_exit(void); |
83f34724 HMH |
469 | static int video_outputsw_get(void); |
470 | static int video_outputsw_set(int status); | |
471 | static int video_autosw_get(void); | |
472 | static int video_autosw_set(int enable); | |
473 | static int video_outputsw_cycle(void); | |
474 | static int video_expand_toggle(void); | |
1406cdd1 HMH |
475 | static int video_read(char *p); |
476 | static int video_write(char *buf); | |
477 | ||
478 | ||
479 | /* | |
480 | * Volume subdriver | |
481 | */ | |
482 | ||
483 | static int volume_offset = 0x30; | |
484 | ||
485 | static int volume_read(char *p); | |
486 | static int volume_write(char *buf); | |
487 | ||
488 | ||
489 | /* | |
490 | * Wan subdriver | |
491 | */ | |
492 | ||
d6fdd1e9 HMH |
493 | enum { |
494 | /* ACPI GWAN/SWAN bits */ | |
495 | TP_ACPI_WANCARD_HWPRESENT = 0x01, /* Wan hw available */ | |
496 | TP_ACPI_WANCARD_RADIOSSW = 0x02, /* Wan radio enabled */ | |
497 | TP_ACPI_WANCARD_UNK = 0x04, /* unknown function */ | |
498 | }; | |
499 | ||
a5763f22 | 500 | static int wan_init(struct ibm_init_struct *iibm); |
d6fdd1e9 HMH |
501 | static int wan_get_radiosw(void); |
502 | static int wan_set_radiosw(int radio_on); | |
1406cdd1 HMH |
503 | static int wan_read(char *p); |
504 | static int wan_write(char *buf); | |
505 | ||
506 | ||
643f12db | 507 | #endif /* __THINKPAD_ACPI_H */ |