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> |
1406cdd1 | 34 | |
24d3b774 | 35 | #include <linux/nvram.h> |
1406cdd1 | 36 | #include <linux/proc_fs.h> |
176750d6 | 37 | #include <linux/sysfs.h> |
1406cdd1 HMH |
38 | #include <linux/backlight.h> |
39 | #include <linux/fb.h> | |
54ae1501 HMH |
40 | #include <linux/platform_device.h> |
41 | #include <linux/hwmon.h> | |
2c37aa4e | 42 | #include <linux/hwmon-sysfs.h> |
7f5d1cd6 | 43 | #include <linux/input.h> |
1406cdd1 HMH |
44 | #include <asm/uaccess.h> |
45 | ||
46 | #include <linux/dmi.h> | |
47 | #include <linux/jiffies.h> | |
48 | #include <linux/workqueue.h> | |
49 | ||
50 | #include <acpi/acpi_drivers.h> | |
51 | #include <acpi/acnamesp.h> | |
52 | ||
7f5d1cd6 | 53 | #include <linux/pci_ids.h> |
1406cdd1 HMH |
54 | |
55 | /**************************************************************************** | |
56 | * Main driver | |
57 | */ | |
58 | ||
643f12db HMH |
59 | #define IBM_NAME "thinkpad" |
60 | #define IBM_DESC "ThinkPad ACPI Extras" | |
61 | #define IBM_FILE "thinkpad_acpi" | |
1406cdd1 | 62 | #define IBM_URL "http://ibm-acpi.sf.net/" |
8d376cd6 | 63 | #define IBM_MAIL "ibm-acpi-devel@lists.sourceforge.net" |
1406cdd1 | 64 | |
8d376cd6 | 65 | #define IBM_PROC_DIR "ibm" |
643f12db | 66 | #define IBM_ACPI_EVENT_PREFIX "ibm" |
54ae1501 | 67 | #define IBM_DRVR_NAME IBM_FILE |
1406cdd1 HMH |
68 | |
69 | #define IBM_LOG IBM_FILE ": " | |
70 | #define IBM_ERR KERN_ERR IBM_LOG | |
71 | #define IBM_NOTICE KERN_NOTICE IBM_LOG | |
72 | #define IBM_INFO KERN_INFO IBM_LOG | |
73 | #define IBM_DEBUG KERN_DEBUG IBM_LOG | |
74 | ||
75 | #define IBM_MAX_ACPI_ARGS 3 | |
76 | ||
77 | /* ThinkPad CMOS commands */ | |
78 | #define TP_CMOS_VOLUME_DOWN 0 | |
79 | #define TP_CMOS_VOLUME_UP 1 | |
80 | #define TP_CMOS_VOLUME_MUTE 2 | |
81 | #define TP_CMOS_BRIGHTNESS_UP 4 | |
82 | #define TP_CMOS_BRIGHTNESS_DOWN 5 | |
83 | ||
24d3b774 HMH |
84 | /* ThinkPad CMOS NVRAM constants */ |
85 | #define TP_NVRAM_ADDR_BRIGHTNESS 0x5e | |
86 | #define TP_NVRAM_MASK_LEVEL_BRIGHTNESS 0x07 | |
87 | #define TP_NVRAM_POS_LEVEL_BRIGHTNESS 0 | |
88 | ||
1406cdd1 HMH |
89 | #define onoff(status,bit) ((status) & (1 << (bit)) ? "on" : "off") |
90 | #define enabled(status,bit) ((status) & (1 << (bit)) ? "enabled" : "disabled") | |
91 | #define strlencmp(a,b) (strncmp((a), (b), strlen(b))) | |
92 | ||
132ce091 HMH |
93 | /* Debugging */ |
94 | #define TPACPI_DBG_ALL 0xffff | |
fe08bc4b HMH |
95 | #define TPACPI_DBG_ALL 0xffff |
96 | #define TPACPI_DBG_INIT 0x0001 | |
97 | #define TPACPI_DBG_EXIT 0x0002 | |
132ce091 HMH |
98 | #define dbg_printk(a_dbg_level, format, arg...) \ |
99 | do { if (dbg_level & a_dbg_level) \ | |
100 | printk(IBM_DEBUG "%s: " format, __func__ , ## arg); } while (0) | |
101 | #ifdef CONFIG_THINKPAD_ACPI_DEBUG | |
102 | #define vdbg_printk(a_dbg_level, format, arg...) \ | |
103 | dbg_printk(a_dbg_level, format, ## arg) | |
fe08bc4b | 104 | static const char *str_supported(int is_supported); |
132ce091 HMH |
105 | #else |
106 | #define vdbg_printk(a_dbg_level, format, arg...) | |
107 | #endif | |
108 | ||
7f5d1cd6 HMH |
109 | /* Input IDs */ |
110 | #define TPACPI_HKEY_INPUT_VENDOR PCI_VENDOR_ID_IBM | |
111 | #define TPACPI_HKEY_INPUT_PRODUCT 0x5054 /* "TP" */ | |
112 | #define TPACPI_HKEY_INPUT_VERSION 0x4101 | |
113 | ||
1406cdd1 HMH |
114 | /* ACPI HIDs */ |
115 | #define IBM_HKEY_HID "IBM0068" | |
1406cdd1 HMH |
116 | |
117 | /* ACPI helpers */ | |
d01320e6 | 118 | static int __must_check acpi_evalf(acpi_handle handle, |
1406cdd1 | 119 | void *res, char *method, char *fmt, ...); |
d01320e6 HMH |
120 | static int __must_check acpi_ec_read(int i, u8 * p); |
121 | static int __must_check acpi_ec_write(int i, u8 v); | |
122 | static int __must_check _sta(acpi_handle handle); | |
1406cdd1 HMH |
123 | |
124 | /* ACPI handles */ | |
125 | static acpi_handle root_handle; /* root namespace */ | |
126 | static acpi_handle ec_handle; /* EC */ | |
127 | static acpi_handle ecrd_handle, ecwr_handle; /* 570 EC access */ | |
128 | static acpi_handle cmos_handle, hkey_handle; /* basic thinkpad handles */ | |
129 | ||
8d376cd6 | 130 | static void drv_acpi_handle_init(char *name, |
5fba344c | 131 | acpi_handle *handle, acpi_handle parent, |
1406cdd1 | 132 | char **paths, int num_paths, char **path); |
8d376cd6 HMH |
133 | #define IBM_ACPIHANDLE_INIT(object) \ |
134 | drv_acpi_handle_init(#object, &object##_handle, *object##_parent, \ | |
1406cdd1 HMH |
135 | object##_paths, ARRAY_SIZE(object##_paths), &object##_path) |
136 | ||
c9bea99c HMH |
137 | /* ThinkPad ACPI helpers */ |
138 | static int issue_thinkpad_cmos_command(int cmos_cmd); | |
139 | ||
1406cdd1 HMH |
140 | /* procfs support */ |
141 | static struct proc_dir_entry *proc_dir; | |
1406cdd1 HMH |
142 | |
143 | /* procfs helpers */ | |
8d376cd6 HMH |
144 | static int dispatch_procfs_read(char *page, char **start, off_t off, |
145 | int count, int *eof, void *data); | |
146 | static int dispatch_procfs_write(struct file *file, | |
147 | const char __user * userbuf, | |
1406cdd1 HMH |
148 | unsigned long count, void *data); |
149 | static char *next_cmd(char **cmds); | |
150 | ||
7252374a HMH |
151 | /* sysfs support */ |
152 | struct attribute_set { | |
153 | unsigned int members, max_members; | |
154 | struct attribute_group group; | |
155 | }; | |
156 | ||
157 | static struct attribute_set *create_attr_set(unsigned int max_members, | |
158 | const char* name); | |
159 | #define destroy_attr_set(_set) \ | |
160 | kfree(_set); | |
161 | static int add_to_attr_set(struct attribute_set* s, struct attribute *attr); | |
162 | static int add_many_to_attr_set(struct attribute_set* s, | |
163 | struct attribute **attr, | |
164 | unsigned int count); | |
165 | #define register_attr_set_with_sysfs(_attr_set, _kobj) \ | |
166 | sysfs_create_group(_kobj, &_attr_set->group) | |
167 | static void delete_attr_set(struct attribute_set* s, struct kobject *kobj); | |
168 | ||
169 | static int parse_strtoul(const char *buf, unsigned long max, | |
170 | unsigned long *value); | |
171 | ||
54ae1501 HMH |
172 | /* Device model */ |
173 | static struct platform_device *tpacpi_pdev; | |
174 | static struct class_device *tpacpi_hwmon; | |
175 | static struct platform_driver tpacpi_pdriver; | |
7f5d1cd6 | 176 | static struct input_dev *tpacpi_inputdev; |
176750d6 HMH |
177 | static int tpacpi_create_driver_attributes(struct device_driver *drv); |
178 | static void tpacpi_remove_driver_attributes(struct device_driver *drv); | |
54ae1501 | 179 | |
1406cdd1 HMH |
180 | /* Module */ |
181 | static int experimental; | |
132ce091 | 182 | static u32 dbg_level; |
0dcef77c | 183 | static int force_load; |
1406cdd1 | 184 | |
1def7115 HMH |
185 | static int thinkpad_acpi_module_init(void); |
186 | static void thinkpad_acpi_module_exit(void); | |
1406cdd1 HMH |
187 | |
188 | ||
189 | /**************************************************************************** | |
190 | * Subdrivers | |
191 | */ | |
192 | ||
8d376cd6 | 193 | struct ibm_struct; |
1406cdd1 | 194 | |
8d376cd6 | 195 | struct tp_acpi_drv_struct { |
1406cdd1 HMH |
196 | char *hid; |
197 | struct acpi_driver *driver; | |
198 | ||
1406cdd1 HMH |
199 | void (*notify) (struct ibm_struct *, u32); |
200 | acpi_handle *handle; | |
8d376cd6 | 201 | u32 type; |
1406cdd1 | 202 | struct acpi_device *device; |
8d376cd6 HMH |
203 | }; |
204 | ||
205 | struct ibm_struct { | |
206 | char *name; | |
207 | ||
208 | int (*read) (char *); | |
209 | int (*write) (char *); | |
210 | void (*exit) (void); | |
e295e850 | 211 | void (*resume) (void); |
1406cdd1 | 212 | |
a5763f22 HMH |
213 | struct list_head all_drivers; |
214 | ||
8d376cd6 HMH |
215 | struct tp_acpi_drv_struct *acpi; |
216 | ||
92641177 | 217 | struct { |
8d376cd6 HMH |
218 | u8 acpi_driver_registered:1; |
219 | u8 acpi_notify_installed:1; | |
92641177 HMH |
220 | u8 proc_created:1; |
221 | u8 init_called:1; | |
92641177 HMH |
222 | u8 experimental:1; |
223 | } flags; | |
1406cdd1 HMH |
224 | }; |
225 | ||
a5763f22 HMH |
226 | struct ibm_init_struct { |
227 | char param[32]; | |
228 | ||
229 | int (*init) (struct ibm_init_struct *); | |
230 | struct ibm_struct *data; | |
231 | }; | |
232 | ||
d8fd94d9 HMH |
233 | static struct { |
234 | #ifdef CONFIG_THINKPAD_ACPI_BAY | |
235 | u16 bay_status:1; | |
236 | u16 bay_eject:1; | |
237 | u16 bay_status2:1; | |
238 | u16 bay_eject2:1; | |
239 | #endif | |
240 | u16 bluetooth:1; | |
241 | u16 hotkey:1; | |
242 | u16 hotkey_mask:1; | |
74941a69 | 243 | u16 hotkey_wlsw:1; |
d8fd94d9 HMH |
244 | u16 light:1; |
245 | u16 light_status:1; | |
246 | u16 wan:1; | |
247 | u16 fan_ctrl_status_undef:1; | |
7f5d1cd6 | 248 | u16 input_device_registered:1; |
d8fd94d9 HMH |
249 | } tp_features; |
250 | ||
d5a2f2f1 HMH |
251 | struct thinkpad_id_data { |
252 | unsigned int vendor; /* ThinkPad vendor: | |
253 | * PCI_VENDOR_ID_IBM/PCI_VENDOR_ID_LENOVO */ | |
254 | ||
255 | char *bios_version_str; /* Something like 1ZET51WW (1.03z) */ | |
256 | char *ec_version_str; /* Something like 1ZHT51WW-1.04a */ | |
257 | ||
258 | u16 bios_model; /* Big Endian, TP-1Y = 0x5931, 0 = unknown */ | |
259 | u16 ec_model; | |
260 | ||
261 | char *model_str; | |
262 | }; | |
263 | ||
264 | static struct thinkpad_id_data thinkpad_id; | |
265 | ||
a5763f22 HMH |
266 | static struct list_head tpacpi_all_drivers; |
267 | ||
268 | static struct ibm_init_struct ibms_init[]; | |
1406cdd1 | 269 | static int set_ibm_param(const char *val, struct kernel_param *kp); |
a5763f22 | 270 | static int ibm_init(struct ibm_init_struct *iibm); |
1406cdd1 HMH |
271 | static void ibm_exit(struct ibm_struct *ibm); |
272 | ||
a5763f22 HMH |
273 | |
274 | /* | |
275 | * procfs master subdriver | |
276 | */ | |
277 | static int thinkpad_acpi_driver_init(struct ibm_init_struct *iibm); | |
278 | static int thinkpad_acpi_driver_read(char *p); | |
1406cdd1 HMH |
279 | |
280 | ||
281 | /* | |
282 | * Bay subdriver | |
283 | */ | |
284 | ||
85998248 | 285 | #ifdef CONFIG_THINKPAD_ACPI_BAY |
1406cdd1 HMH |
286 | static acpi_handle bay_handle, bay_ej_handle; |
287 | static acpi_handle bay2_handle, bay2_ej_handle; | |
288 | ||
a5763f22 | 289 | static int bay_init(struct ibm_init_struct *iibm); |
1406cdd1 HMH |
290 | static void bay_notify(struct ibm_struct *ibm, u32 event); |
291 | static int bay_read(char *p); | |
292 | static int bay_write(char *buf); | |
85998248 | 293 | #endif /* CONFIG_THINKPAD_ACPI_BAY */ |
1406cdd1 HMH |
294 | |
295 | ||
296 | /* | |
297 | * Beep subdriver | |
298 | */ | |
299 | ||
300 | static acpi_handle beep_handle; | |
301 | ||
302 | static int beep_read(char *p); | |
303 | static int beep_write(char *buf); | |
304 | ||
305 | ||
306 | /* | |
307 | * Bluetooth subdriver | |
308 | */ | |
309 | ||
d6fdd1e9 HMH |
310 | enum { |
311 | /* ACPI GBDC/SBDC bits */ | |
312 | TP_ACPI_BLUETOOTH_HWPRESENT = 0x01, /* Bluetooth hw available */ | |
313 | TP_ACPI_BLUETOOTH_RADIOSSW = 0x02, /* Bluetooth radio enabled */ | |
314 | TP_ACPI_BLUETOOTH_UNK = 0x04, /* unknown function */ | |
315 | }; | |
316 | ||
a5763f22 | 317 | static int bluetooth_init(struct ibm_init_struct *iibm); |
d6fdd1e9 HMH |
318 | static int bluetooth_get_radiosw(void); |
319 | static int bluetooth_set_radiosw(int radio_on); | |
1406cdd1 HMH |
320 | static int bluetooth_read(char *p); |
321 | static int bluetooth_write(char *buf); | |
322 | ||
323 | ||
324 | /* | |
325 | * Brightness (backlight) subdriver | |
326 | */ | |
327 | ||
7d5a015e HMH |
328 | #define TPACPI_BACKLIGHT_DEV_NAME "thinkpad_screen" |
329 | ||
1406cdd1 HMH |
330 | static struct backlight_device *ibm_backlight_device; |
331 | static int brightness_offset = 0x31; | |
24d3b774 | 332 | static int brightness_mode; |
1406cdd1 | 333 | |
a5763f22 | 334 | static int brightness_init(struct ibm_init_struct *iibm); |
1406cdd1 HMH |
335 | static void brightness_exit(void); |
336 | static int brightness_get(struct backlight_device *bd); | |
337 | static int brightness_set(int value); | |
338 | static int brightness_update_status(struct backlight_device *bd); | |
339 | static int brightness_read(char *p); | |
340 | static int brightness_write(char *buf); | |
341 | ||
342 | ||
343 | /* | |
344 | * CMOS subdriver | |
345 | */ | |
346 | ||
1406cdd1 HMH |
347 | static int cmos_read(char *p); |
348 | static int cmos_write(char *buf); | |
349 | ||
350 | ||
351 | /* | |
352 | * Dock subdriver | |
353 | */ | |
354 | ||
85998248 | 355 | #ifdef CONFIG_THINKPAD_ACPI_DOCK |
5fba344c | 356 | static acpi_handle pci_handle; |
1406cdd1 HMH |
357 | static acpi_handle dock_handle; |
358 | ||
359 | static void dock_notify(struct ibm_struct *ibm, u32 event); | |
360 | static int dock_read(char *p); | |
361 | static int dock_write(char *buf); | |
85998248 | 362 | #endif /* CONFIG_THINKPAD_ACPI_DOCK */ |
1406cdd1 HMH |
363 | |
364 | ||
365 | /* | |
366 | * EC dump subdriver | |
367 | */ | |
368 | ||
369 | static int ecdump_read(char *p) ; | |
370 | static int ecdump_write(char *buf); | |
371 | ||
372 | ||
373 | /* | |
374 | * Fan subdriver | |
375 | */ | |
376 | ||
377 | enum { /* Fan control constants */ | |
378 | fan_status_offset = 0x2f, /* EC register 0x2f */ | |
379 | fan_rpm_offset = 0x84, /* EC register 0x84: LSB, 0x85 MSB (RPM) | |
380 | * 0x84 must be read before 0x85 */ | |
381 | ||
efa27145 HMH |
382 | TP_EC_FAN_FULLSPEED = 0x40, /* EC fan mode: full speed */ |
383 | TP_EC_FAN_AUTO = 0x80, /* EC fan mode: auto fan control */ | |
fe98a52c HMH |
384 | |
385 | TPACPI_FAN_LAST_LEVEL = 0x100, /* Use cached last-seen fan level */ | |
1406cdd1 HMH |
386 | }; |
387 | ||
388 | enum fan_status_access_mode { | |
efa27145 HMH |
389 | TPACPI_FAN_NONE = 0, /* No fan status or control */ |
390 | TPACPI_FAN_RD_ACPI_GFAN, /* Use ACPI GFAN */ | |
391 | TPACPI_FAN_RD_TPEC, /* Use ACPI EC regs 0x2f, 0x84-0x85 */ | |
1406cdd1 HMH |
392 | }; |
393 | ||
394 | enum fan_control_access_mode { | |
efa27145 HMH |
395 | TPACPI_FAN_WR_NONE = 0, /* No fan control */ |
396 | TPACPI_FAN_WR_ACPI_SFAN, /* Use ACPI SFAN */ | |
397 | TPACPI_FAN_WR_TPEC, /* Use ACPI EC reg 0x2f */ | |
398 | TPACPI_FAN_WR_ACPI_FANS, /* Use ACPI FANS and EC reg 0x2f */ | |
1406cdd1 HMH |
399 | }; |
400 | ||
401 | enum fan_control_commands { | |
efa27145 HMH |
402 | TPACPI_FAN_CMD_SPEED = 0x0001, /* speed command */ |
403 | TPACPI_FAN_CMD_LEVEL = 0x0002, /* level command */ | |
404 | TPACPI_FAN_CMD_ENABLE = 0x0004, /* enable/disable cmd, | |
1406cdd1 HMH |
405 | * and also watchdog cmd */ |
406 | }; | |
407 | ||
ecf2a80a HMH |
408 | static int fan_control_allowed; |
409 | ||
1406cdd1 HMH |
410 | static enum fan_status_access_mode fan_status_access_mode; |
411 | static enum fan_control_access_mode fan_control_access_mode; | |
412 | static enum fan_control_commands fan_control_commands; | |
1406cdd1 | 413 | static u8 fan_control_initial_status; |
fe98a52c | 414 | static u8 fan_control_desired_level; |
1406cdd1 HMH |
415 | static int fan_watchdog_maxinterval; |
416 | ||
836a53f4 | 417 | static struct mutex fan_mutex; |
40ca9fdf | 418 | |
1406cdd1 HMH |
419 | static acpi_handle fans_handle, gfan_handle, sfan_handle; |
420 | ||
a5763f22 | 421 | static int fan_init(struct ibm_init_struct *iibm); |
1406cdd1 HMH |
422 | static void fan_exit(void); |
423 | static int fan_get_status(u8 *status); | |
fe98a52c | 424 | static int fan_get_status_safe(u8 *status); |
1406cdd1 | 425 | static int fan_get_speed(unsigned int *speed); |
fe98a52c | 426 | static void fan_update_desired_level(u8 status); |
1406cdd1 HMH |
427 | static void fan_watchdog_fire(struct work_struct *ignored); |
428 | static void fan_watchdog_reset(void); | |
429 | static int fan_set_level(int level); | |
fe98a52c | 430 | static int fan_set_level_safe(int level); |
1406cdd1 HMH |
431 | static int fan_set_enable(void); |
432 | static int fan_set_disable(void); | |
433 | static int fan_set_speed(int speed); | |
434 | static int fan_read(char *p); | |
435 | static int fan_write(char *buf); | |
436 | static int fan_write_cmd_level(const char *cmd, int *rc); | |
437 | static int fan_write_cmd_enable(const char *cmd, int *rc); | |
438 | static int fan_write_cmd_disable(const char *cmd, int *rc); | |
439 | static int fan_write_cmd_speed(const char *cmd, int *rc); | |
440 | static int fan_write_cmd_watchdog(const char *cmd, int *rc); | |
441 | ||
442 | ||
443 | /* | |
444 | * Hotkey subdriver | |
445 | */ | |
446 | ||
1406cdd1 | 447 | static int hotkey_orig_status; |
ae92bd17 | 448 | static u32 hotkey_orig_mask; |
1406cdd1 | 449 | |
40ca9fdf HMH |
450 | static struct mutex hotkey_mutex; |
451 | ||
a5763f22 | 452 | static int hotkey_init(struct ibm_init_struct *iibm); |
1406cdd1 | 453 | static void hotkey_exit(void); |
ae92bd17 HMH |
454 | static int hotkey_get(int *status, u32 *mask); |
455 | static int hotkey_set(int status, u32 mask); | |
1406cdd1 HMH |
456 | static void hotkey_notify(struct ibm_struct *ibm, u32 event); |
457 | static int hotkey_read(char *p); | |
458 | static int hotkey_write(char *buf); | |
459 | ||
460 | ||
461 | /* | |
462 | * LED subdriver | |
463 | */ | |
464 | ||
465 | enum led_access_mode { | |
efa27145 HMH |
466 | TPACPI_LED_NONE = 0, |
467 | TPACPI_LED_570, /* 570 */ | |
468 | TPACPI_LED_OLD, /* 600e/x, 770e, 770x, A21e, A2xm/p, T20-22, X20-21 */ | |
469 | TPACPI_LED_NEW, /* all others */ | |
1406cdd1 HMH |
470 | }; |
471 | ||
efa27145 HMH |
472 | enum { /* For TPACPI_LED_OLD */ |
473 | TPACPI_LED_EC_HLCL = 0x0c, /* EC reg to get led to power on */ | |
474 | TPACPI_LED_EC_HLBL = 0x0d, /* EC reg to blink a lit led */ | |
475 | TPACPI_LED_EC_HLMS = 0x0e, /* EC reg to select led to command */ | |
1406cdd1 HMH |
476 | }; |
477 | ||
478 | static enum led_access_mode led_supported; | |
479 | static acpi_handle led_handle; | |
480 | ||
a5763f22 | 481 | static int led_init(struct ibm_init_struct *iibm); |
1406cdd1 HMH |
482 | static int led_read(char *p); |
483 | static int led_write(char *buf); | |
484 | ||
485 | /* | |
486 | * Light (thinklight) subdriver | |
487 | */ | |
488 | ||
1406cdd1 HMH |
489 | static acpi_handle lght_handle, ledb_handle; |
490 | ||
a5763f22 | 491 | static int light_init(struct ibm_init_struct *iibm); |
1406cdd1 HMH |
492 | static int light_read(char *p); |
493 | static int light_write(char *buf); | |
494 | ||
495 | ||
496 | /* | |
497 | * Thermal subdriver | |
498 | */ | |
499 | ||
500 | enum thermal_access_mode { | |
efa27145 HMH |
501 | TPACPI_THERMAL_NONE = 0, /* No thermal support */ |
502 | TPACPI_THERMAL_ACPI_TMP07, /* Use ACPI TMP0-7 */ | |
503 | TPACPI_THERMAL_ACPI_UPDT, /* Use ACPI TMP0-7 with UPDT */ | |
504 | TPACPI_THERMAL_TPEC_8, /* Use ACPI EC regs, 8 sensors */ | |
505 | TPACPI_THERMAL_TPEC_16, /* Use ACPI EC regs, 16 sensors */ | |
1406cdd1 HMH |
506 | }; |
507 | ||
04cc862c HMH |
508 | enum { /* TPACPI_THERMAL_TPEC_* */ |
509 | TP_EC_THERMAL_TMP0 = 0x78, /* ACPI EC regs TMP 0..7 */ | |
510 | TP_EC_THERMAL_TMP8 = 0xC0, /* ACPI EC regs TMP 8..15 */ | |
2c37aa4e | 511 | TP_EC_THERMAL_TMP_NA = -128, /* ACPI EC sensor not available */ |
04cc862c HMH |
512 | }; |
513 | ||
efa27145 | 514 | #define TPACPI_MAX_THERMAL_SENSORS 16 /* Max thermal sensors supported */ |
1406cdd1 | 515 | struct ibm_thermal_sensors_struct { |
efa27145 | 516 | s32 temp[TPACPI_MAX_THERMAL_SENSORS]; |
1406cdd1 HMH |
517 | }; |
518 | ||
04cc862c HMH |
519 | static enum thermal_access_mode thermal_read_mode; |
520 | ||
a5763f22 | 521 | static int thermal_init(struct ibm_init_struct *iibm); |
04cc862c | 522 | static int thermal_get_sensor(int idx, s32 *value); |
1406cdd1 HMH |
523 | static int thermal_get_sensors(struct ibm_thermal_sensors_struct *s); |
524 | static int thermal_read(char *p); | |
525 | ||
526 | ||
527 | /* | |
528 | * Video subdriver | |
529 | */ | |
530 | ||
531 | enum video_access_mode { | |
efa27145 HMH |
532 | TPACPI_VIDEO_NONE = 0, |
533 | TPACPI_VIDEO_570, /* 570 */ | |
534 | TPACPI_VIDEO_770, /* 600e/x, 770e, 770x */ | |
535 | TPACPI_VIDEO_NEW, /* all others */ | |
1406cdd1 HMH |
536 | }; |
537 | ||
83f34724 HMH |
538 | enum { /* video status flags, based on VIDEO_570 */ |
539 | TP_ACPI_VIDEO_S_LCD = 0x01, /* LCD output enabled */ | |
540 | TP_ACPI_VIDEO_S_CRT = 0x02, /* CRT output enabled */ | |
541 | TP_ACPI_VIDEO_S_DVI = 0x08, /* DVI output enabled */ | |
542 | }; | |
543 | ||
544 | enum { /* TPACPI_VIDEO_570 constants */ | |
545 | TP_ACPI_VIDEO_570_PHSCMD = 0x87, /* unknown magic constant :( */ | |
546 | TP_ACPI_VIDEO_570_PHSMASK = 0x03, /* PHS bits that map to | |
547 | * video_status_flags */ | |
548 | TP_ACPI_VIDEO_570_PHS2CMD = 0x8b, /* unknown magic constant :( */ | |
549 | TP_ACPI_VIDEO_570_PHS2SET = 0x80, /* unknown magic constant :( */ | |
550 | }; | |
551 | ||
1406cdd1 HMH |
552 | static enum video_access_mode video_supported; |
553 | static int video_orig_autosw; | |
554 | static acpi_handle vid_handle, vid2_handle; | |
555 | ||
a5763f22 | 556 | static int video_init(struct ibm_init_struct *iibm); |
1406cdd1 | 557 | static void video_exit(void); |
83f34724 HMH |
558 | static int video_outputsw_get(void); |
559 | static int video_outputsw_set(int status); | |
560 | static int video_autosw_get(void); | |
561 | static int video_autosw_set(int enable); | |
562 | static int video_outputsw_cycle(void); | |
563 | static int video_expand_toggle(void); | |
1406cdd1 HMH |
564 | static int video_read(char *p); |
565 | static int video_write(char *buf); | |
566 | ||
567 | ||
568 | /* | |
569 | * Volume subdriver | |
570 | */ | |
571 | ||
572 | static int volume_offset = 0x30; | |
573 | ||
574 | static int volume_read(char *p); | |
575 | static int volume_write(char *buf); | |
576 | ||
577 | ||
578 | /* | |
579 | * Wan subdriver | |
580 | */ | |
581 | ||
d6fdd1e9 HMH |
582 | enum { |
583 | /* ACPI GWAN/SWAN bits */ | |
584 | TP_ACPI_WANCARD_HWPRESENT = 0x01, /* Wan hw available */ | |
585 | TP_ACPI_WANCARD_RADIOSSW = 0x02, /* Wan radio enabled */ | |
586 | TP_ACPI_WANCARD_UNK = 0x04, /* unknown function */ | |
587 | }; | |
588 | ||
a5763f22 | 589 | static int wan_init(struct ibm_init_struct *iibm); |
d6fdd1e9 HMH |
590 | static int wan_get_radiosw(void); |
591 | static int wan_set_radiosw(int radio_on); | |
1406cdd1 HMH |
592 | static int wan_read(char *p); |
593 | static int wan_write(char *buf); | |
594 | ||
595 | ||
643f12db | 596 | #endif /* __THINKPAD_ACPI_H */ |