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Commit | Line | Data |
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1da177e4 | 1 | /* |
643f12db | 2 | * thinkpad_acpi.c - ThinkPad ACPI Extras |
1da177e4 LT |
3 | * |
4 | * | |
78f81cc4 | 5 | * Copyright (C) 2004-2005 Borislav Deianov <borislav@users.sf.net> |
a62bc916 | 6 | * Copyright (C) 2006-2007 Henrique de Moraes Holschuh <hmh@hmh.eng.br> |
1da177e4 LT |
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 | |
a62bc916 HMH |
20 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA |
21 | * 02110-1301, USA. | |
78f81cc4 BD |
22 | */ |
23 | ||
3b0c6485 | 24 | #define IBM_VERSION "0.16" |
7fd40029 | 25 | #define TPACPI_SYSFS_VERSION 0x020000 |
78f81cc4 BD |
26 | |
27 | /* | |
1da177e4 | 28 | * Changelog: |
643f12db HMH |
29 | * 2007-03-27 0.14 renamed to thinkpad_acpi and moved to |
30 | * drivers/misc. | |
f9ff43a6 HMH |
31 | * |
32 | * 2006-11-22 0.13 new maintainer | |
33 | * changelog now lives in git commit history, and will | |
34 | * not be updated further in-file. | |
837ca6dd | 35 | * |
78f81cc4 BD |
36 | * 2005-08-17 0.12 fix compilation on 2.6.13-rc kernels |
37 | * 2005-03-17 0.11 support for 600e, 770x | |
38 | * thanks to Jamie Lentin <lentinj@dial.pipex.com> | |
39 | * support for 770e, G41 | |
40 | * G40 and G41 don't have a thinklight | |
41 | * temperatures no longer experimental | |
42 | * experimental brightness control | |
43 | * experimental volume control | |
44 | * experimental fan enable/disable | |
837ca6dd | 45 | * 2005-01-16 0.10 fix module loading on R30, R31 |
78f81cc4 BD |
46 | * 2005-01-16 0.9 support for 570, R30, R31 |
47 | * ultrabay support on A22p, A3x | |
48 | * limit arg for cmos, led, beep, drop experimental status | |
49 | * more capable led control on A21e, A22p, T20-22, X20 | |
50 | * experimental temperatures and fan speed | |
51 | * experimental embedded controller register dump | |
52 | * mark more functions as __init, drop incorrect __exit | |
53 | * use MODULE_VERSION | |
54 | * thanks to Henrik Brix Andersen <brix@gentoo.org> | |
55 | * fix parameter passing on module loading | |
56 | * thanks to Rusty Russell <rusty@rustcorp.com.au> | |
57 | * thanks to Jim Radford <radford@blackbean.org> | |
58 | * 2004-11-08 0.8 fix init error case, don't return from a macro | |
59 | * thanks to Chris Wright <chrisw@osdl.org> | |
60 | * 2004-10-23 0.7 fix module loading on A21e, A22p, T20, T21, X20 | |
61 | * fix led control on A21e | |
62 | * 2004-10-19 0.6 use acpi_bus_register_driver() to claim HKEY device | |
1da177e4 LT |
63 | * 2004-10-18 0.5 thinklight support on A21e, G40, R32, T20, T21, X20 |
64 | * proc file format changed | |
65 | * video_switch command | |
66 | * experimental cmos control | |
67 | * experimental led control | |
68 | * experimental acpi sounds | |
78f81cc4 BD |
69 | * 2004-09-16 0.4 support for module parameters |
70 | * hotkey mask can be prefixed by 0x | |
71 | * video output switching | |
72 | * video expansion control | |
73 | * ultrabay eject support | |
74 | * removed lcd brightness/on/off control, didn't work | |
75 | * 2004-08-17 0.3 support for R40 | |
76 | * lcd off, brightness control | |
77 | * thinklight on/off | |
78 | * 2004-08-14 0.2 support for T series, X20 | |
79 | * bluetooth enable/disable | |
80 | * hotkey events disabled by default | |
81 | * removed fan control, currently useless | |
82 | * 2004-08-09 0.1 initial release, support for X series | |
1da177e4 LT |
83 | */ |
84 | ||
f21f85de | 85 | #include "thinkpad_acpi.h" |
1da177e4 | 86 | |
f9ff43a6 | 87 | MODULE_AUTHOR("Borislav Deianov, Henrique de Moraes Holschuh"); |
78f81cc4 BD |
88 | MODULE_DESCRIPTION(IBM_DESC); |
89 | MODULE_VERSION(IBM_VERSION); | |
90 | MODULE_LICENSE("GPL"); | |
91 | ||
d903ac54 HMH |
92 | /* Please remove this in year 2009 */ |
93 | MODULE_ALIAS("ibm_acpi"); | |
94 | ||
b964b437 HMH |
95 | /* |
96 | * DMI matching for module autoloading | |
97 | * | |
98 | * See http://thinkwiki.org/wiki/List_of_DMI_IDs | |
99 | * See http://thinkwiki.org/wiki/BIOS_Upgrade_Downloads | |
100 | * | |
101 | * Only models listed in thinkwiki will be supported, so add yours | |
102 | * if it is not there yet. | |
103 | */ | |
104 | #define IBM_BIOS_MODULE_ALIAS(__type) \ | |
105 | MODULE_ALIAS("dmi:bvnIBM:bvr" __type "ET??WW") | |
106 | ||
107 | /* Non-ancient thinkpads */ | |
108 | MODULE_ALIAS("dmi:bvnIBM:*:svnIBM:*:pvrThinkPad*:rvnIBM:*"); | |
109 | MODULE_ALIAS("dmi:bvnLENOVO:*:svnLENOVO:*:pvrThinkPad*:rvnLENOVO:*"); | |
110 | ||
111 | /* Ancient thinkpad BIOSes have to be identified by | |
112 | * BIOS type or model number, and there are far less | |
113 | * BIOS types than model numbers... */ | |
114 | IBM_BIOS_MODULE_ALIAS("I[B,D,H,I,M,N,O,T,W,V,Y,Z]"); | |
115 | IBM_BIOS_MODULE_ALIAS("1[0,3,6,8,A-G,I,K,M-P,S,T]"); | |
116 | IBM_BIOS_MODULE_ALIAS("K[U,X-Z]"); | |
117 | ||
1da177e4 LT |
118 | #define __unused __attribute__ ((unused)) |
119 | ||
8fef502e HMH |
120 | static enum { |
121 | TPACPI_LIFE_INIT = 0, | |
122 | TPACPI_LIFE_RUNNING, | |
123 | TPACPI_LIFE_EXITING, | |
124 | } tpacpi_lifecycle; | |
125 | ||
56b6aeb0 HMH |
126 | /**************************************************************************** |
127 | **************************************************************************** | |
128 | * | |
129 | * ACPI Helpers and device model | |
130 | * | |
131 | **************************************************************************** | |
132 | ****************************************************************************/ | |
133 | ||
134 | /************************************************************************* | |
135 | * ACPI basic handles | |
136 | */ | |
1da177e4 | 137 | |
94954cc6 | 138 | static acpi_handle root_handle; |
1da177e4 LT |
139 | |
140 | #define IBM_HANDLE(object, parent, paths...) \ | |
141 | static acpi_handle object##_handle; \ | |
142 | static acpi_handle *object##_parent = &parent##_handle; \ | |
78f81cc4 | 143 | static char *object##_path; \ |
1da177e4 LT |
144 | static char *object##_paths[] = { paths } |
145 | ||
78f81cc4 BD |
146 | IBM_HANDLE(ec, root, "\\_SB.PCI0.ISA.EC0", /* 240, 240x */ |
147 | "\\_SB.PCI.ISA.EC", /* 570 */ | |
148 | "\\_SB.PCI0.ISA0.EC0", /* 600e/x, 770e, 770x */ | |
149 | "\\_SB.PCI0.ISA.EC", /* A21e, A2xm/p, T20-22, X20-21 */ | |
150 | "\\_SB.PCI0.AD4S.EC0", /* i1400, R30 */ | |
151 | "\\_SB.PCI0.ICH3.EC0", /* R31 */ | |
152 | "\\_SB.PCI0.LPC.EC", /* all others */ | |
56b6aeb0 | 153 | ); |
78f81cc4 | 154 | |
56b6aeb0 HMH |
155 | IBM_HANDLE(ecrd, ec, "ECRD"); /* 570 */ |
156 | IBM_HANDLE(ecwr, ec, "ECWR"); /* 570 */ | |
78f81cc4 | 157 | |
56b6aeb0 HMH |
158 | |
159 | /************************************************************************* | |
160 | * Misc ACPI handles | |
161 | */ | |
78f81cc4 BD |
162 | |
163 | IBM_HANDLE(cmos, root, "\\UCMS", /* R50, R50e, R50p, R51, T4x, X31, X40 */ | |
164 | "\\CMOS", /* A3x, G4x, R32, T23, T30, X22-24, X30 */ | |
165 | "\\CMS", /* R40, R40e */ | |
56b6aeb0 | 166 | ); /* all others */ |
78f81cc4 BD |
167 | |
168 | IBM_HANDLE(hkey, ec, "\\_SB.HKEY", /* 600e/x, 770e, 770x */ | |
169 | "^HKEY", /* R30, R31 */ | |
170 | "HKEY", /* all others */ | |
56b6aeb0 | 171 | ); /* 570 */ |
78f81cc4 | 172 | |
78f81cc4 | 173 | |
56b6aeb0 HMH |
174 | /************************************************************************* |
175 | * ACPI helpers | |
a8b7a662 HMH |
176 | */ |
177 | ||
1da177e4 LT |
178 | static int acpi_evalf(acpi_handle handle, |
179 | void *res, char *method, char *fmt, ...) | |
180 | { | |
181 | char *fmt0 = fmt; | |
78f81cc4 BD |
182 | struct acpi_object_list params; |
183 | union acpi_object in_objs[IBM_MAX_ACPI_ARGS]; | |
184 | struct acpi_buffer result, *resultp; | |
185 | union acpi_object out_obj; | |
186 | acpi_status status; | |
187 | va_list ap; | |
188 | char res_type; | |
189 | int success; | |
190 | int quiet; | |
1da177e4 LT |
191 | |
192 | if (!*fmt) { | |
193 | printk(IBM_ERR "acpi_evalf() called with empty format\n"); | |
194 | return 0; | |
195 | } | |
196 | ||
197 | if (*fmt == 'q') { | |
198 | quiet = 1; | |
199 | fmt++; | |
200 | } else | |
201 | quiet = 0; | |
202 | ||
203 | res_type = *(fmt++); | |
204 | ||
205 | params.count = 0; | |
206 | params.pointer = &in_objs[0]; | |
207 | ||
208 | va_start(ap, fmt); | |
209 | while (*fmt) { | |
210 | char c = *(fmt++); | |
211 | switch (c) { | |
212 | case 'd': /* int */ | |
213 | in_objs[params.count].integer.value = va_arg(ap, int); | |
214 | in_objs[params.count++].type = ACPI_TYPE_INTEGER; | |
215 | break; | |
78f81cc4 | 216 | /* add more types as needed */ |
1da177e4 LT |
217 | default: |
218 | printk(IBM_ERR "acpi_evalf() called " | |
219 | "with invalid format character '%c'\n", c); | |
220 | return 0; | |
221 | } | |
222 | } | |
223 | va_end(ap); | |
224 | ||
78f81cc4 BD |
225 | if (res_type != 'v') { |
226 | result.length = sizeof(out_obj); | |
227 | result.pointer = &out_obj; | |
228 | resultp = &result; | |
229 | } else | |
230 | resultp = NULL; | |
1da177e4 | 231 | |
78f81cc4 | 232 | status = acpi_evaluate_object(handle, method, ¶ms, resultp); |
1da177e4 LT |
233 | |
234 | switch (res_type) { | |
78f81cc4 | 235 | case 'd': /* int */ |
1da177e4 LT |
236 | if (res) |
237 | *(int *)res = out_obj.integer.value; | |
238 | success = status == AE_OK && out_obj.type == ACPI_TYPE_INTEGER; | |
239 | break; | |
78f81cc4 | 240 | case 'v': /* void */ |
1da177e4 LT |
241 | success = status == AE_OK; |
242 | break; | |
78f81cc4 | 243 | /* add more types as needed */ |
1da177e4 LT |
244 | default: |
245 | printk(IBM_ERR "acpi_evalf() called " | |
246 | "with invalid format character '%c'\n", res_type); | |
247 | return 0; | |
248 | } | |
249 | ||
56b6aeb0 HMH |
250 | if (!success && !quiet) |
251 | printk(IBM_ERR "acpi_evalf(%s, %s, ...) failed: %d\n", | |
252 | method, fmt0, status); | |
253 | ||
254 | return success; | |
255 | } | |
256 | ||
257 | static void __unused acpi_print_int(acpi_handle handle, char *method) | |
258 | { | |
259 | int i; | |
260 | ||
261 | if (acpi_evalf(handle, &i, method, "d")) | |
262 | printk(IBM_INFO "%s = 0x%x\n", method, i); | |
263 | else | |
264 | printk(IBM_ERR "error calling %s\n", method); | |
265 | } | |
266 | ||
267 | static int acpi_ec_read(int i, u8 * p) | |
268 | { | |
269 | int v; | |
270 | ||
271 | if (ecrd_handle) { | |
272 | if (!acpi_evalf(ecrd_handle, &v, NULL, "dd", i)) | |
273 | return 0; | |
274 | *p = v; | |
275 | } else { | |
276 | if (ec_read(i, p) < 0) | |
277 | return 0; | |
278 | } | |
279 | ||
280 | return 1; | |
281 | } | |
282 | ||
283 | static int acpi_ec_write(int i, u8 v) | |
284 | { | |
285 | if (ecwr_handle) { | |
286 | if (!acpi_evalf(ecwr_handle, NULL, NULL, "vdd", i, v)) | |
287 | return 0; | |
288 | } else { | |
289 | if (ec_write(i, v) < 0) | |
290 | return 0; | |
291 | } | |
292 | ||
293 | return 1; | |
294 | } | |
295 | ||
296 | static int _sta(acpi_handle handle) | |
297 | { | |
298 | int status; | |
299 | ||
300 | if (!handle || !acpi_evalf(handle, &status, "_STA", "d")) | |
301 | status = 0; | |
302 | ||
303 | return status; | |
304 | } | |
305 | ||
c9bea99c HMH |
306 | static int issue_thinkpad_cmos_command(int cmos_cmd) |
307 | { | |
308 | if (!cmos_handle) | |
309 | return -ENXIO; | |
310 | ||
311 | if (!acpi_evalf(cmos_handle, NULL, NULL, "vd", cmos_cmd)) | |
312 | return -EIO; | |
313 | ||
314 | return 0; | |
315 | } | |
316 | ||
56b6aeb0 HMH |
317 | /************************************************************************* |
318 | * ACPI device model | |
319 | */ | |
320 | ||
8d376cd6 | 321 | static void drv_acpi_handle_init(char *name, |
5fba344c HMH |
322 | acpi_handle *handle, acpi_handle parent, |
323 | char **paths, int num_paths, char **path) | |
56b6aeb0 HMH |
324 | { |
325 | int i; | |
326 | acpi_status status; | |
327 | ||
5ae930e6 HMH |
328 | vdbg_printk(TPACPI_DBG_INIT, "trying to locate ACPI handle for %s\n", |
329 | name); | |
330 | ||
56b6aeb0 HMH |
331 | for (i = 0; i < num_paths; i++) { |
332 | status = acpi_get_handle(parent, paths[i], handle); | |
333 | if (ACPI_SUCCESS(status)) { | |
334 | *path = paths[i]; | |
5ae930e6 HMH |
335 | dbg_printk(TPACPI_DBG_INIT, |
336 | "Found ACPI handle %s for %s\n", | |
337 | *path, name); | |
56b6aeb0 HMH |
338 | return; |
339 | } | |
340 | } | |
341 | ||
5ae930e6 HMH |
342 | vdbg_printk(TPACPI_DBG_INIT, "ACPI handle for %s not found\n", |
343 | name); | |
56b6aeb0 HMH |
344 | *handle = NULL; |
345 | } | |
346 | ||
8d376cd6 | 347 | static void dispatch_acpi_notify(acpi_handle handle, u32 event, void *data) |
56b6aeb0 HMH |
348 | { |
349 | struct ibm_struct *ibm = data; | |
350 | ||
8fef502e HMH |
351 | if (tpacpi_lifecycle != TPACPI_LIFE_RUNNING) |
352 | return; | |
353 | ||
8d376cd6 | 354 | if (!ibm || !ibm->acpi || !ibm->acpi->notify) |
56b6aeb0 HMH |
355 | return; |
356 | ||
8d376cd6 | 357 | ibm->acpi->notify(ibm, event); |
56b6aeb0 HMH |
358 | } |
359 | ||
8d376cd6 | 360 | static int __init setup_acpi_notify(struct ibm_struct *ibm) |
56b6aeb0 HMH |
361 | { |
362 | acpi_status status; | |
5ae930e6 | 363 | int rc; |
56b6aeb0 | 364 | |
8d376cd6 HMH |
365 | BUG_ON(!ibm->acpi); |
366 | ||
367 | if (!*ibm->acpi->handle) | |
56b6aeb0 HMH |
368 | return 0; |
369 | ||
5ae930e6 | 370 | vdbg_printk(TPACPI_DBG_INIT, |
fe08bc4b HMH |
371 | "setting up ACPI notify for %s\n", ibm->name); |
372 | ||
5ae930e6 HMH |
373 | rc = acpi_bus_get_device(*ibm->acpi->handle, &ibm->acpi->device); |
374 | if (rc < 0) { | |
375 | printk(IBM_ERR "acpi_bus_get_device(%s) failed: %d\n", | |
376 | ibm->name, rc); | |
56b6aeb0 HMH |
377 | return -ENODEV; |
378 | } | |
379 | ||
8d376cd6 HMH |
380 | acpi_driver_data(ibm->acpi->device) = ibm; |
381 | sprintf(acpi_device_class(ibm->acpi->device), "%s/%s", | |
643f12db HMH |
382 | IBM_ACPI_EVENT_PREFIX, |
383 | ibm->name); | |
56b6aeb0 | 384 | |
8d376cd6 HMH |
385 | status = acpi_install_notify_handler(*ibm->acpi->handle, |
386 | ibm->acpi->type, dispatch_acpi_notify, ibm); | |
56b6aeb0 HMH |
387 | if (ACPI_FAILURE(status)) { |
388 | if (status == AE_ALREADY_EXISTS) { | |
389 | printk(IBM_NOTICE "another device driver is already handling %s events\n", | |
390 | ibm->name); | |
391 | } else { | |
392 | printk(IBM_ERR "acpi_install_notify_handler(%s) failed: %d\n", | |
393 | ibm->name, status); | |
394 | } | |
395 | return -ENODEV; | |
396 | } | |
8d376cd6 | 397 | ibm->flags.acpi_notify_installed = 1; |
56b6aeb0 HMH |
398 | return 0; |
399 | } | |
400 | ||
8d376cd6 | 401 | static int __init tpacpi_device_add(struct acpi_device *device) |
56b6aeb0 HMH |
402 | { |
403 | return 0; | |
404 | } | |
405 | ||
6700121b | 406 | static int __init register_tpacpi_subdriver(struct ibm_struct *ibm) |
56b6aeb0 | 407 | { |
5ae930e6 | 408 | int rc; |
56b6aeb0 | 409 | |
fe08bc4b HMH |
410 | dbg_printk(TPACPI_DBG_INIT, |
411 | "registering %s as an ACPI driver\n", ibm->name); | |
412 | ||
8d376cd6 HMH |
413 | BUG_ON(!ibm->acpi); |
414 | ||
415 | ibm->acpi->driver = kzalloc(sizeof(struct acpi_driver), GFP_KERNEL); | |
416 | if (!ibm->acpi->driver) { | |
5fba344c HMH |
417 | printk(IBM_ERR "kzalloc(ibm->driver) failed\n"); |
418 | return -ENOMEM; | |
56b6aeb0 HMH |
419 | } |
420 | ||
8d376cd6 HMH |
421 | sprintf(ibm->acpi->driver->name, "%s_%s", IBM_NAME, ibm->name); |
422 | ibm->acpi->driver->ids = ibm->acpi->hid; | |
1ba90e3a | 423 | |
8d376cd6 | 424 | ibm->acpi->driver->ops.add = &tpacpi_device_add; |
56b6aeb0 | 425 | |
5ae930e6 HMH |
426 | rc = acpi_bus_register_driver(ibm->acpi->driver); |
427 | if (rc < 0) { | |
56b6aeb0 | 428 | printk(IBM_ERR "acpi_bus_register_driver(%s) failed: %d\n", |
1ba90e3a | 429 | ibm->name, rc); |
8d376cd6 HMH |
430 | kfree(ibm->acpi->driver); |
431 | ibm->acpi->driver = NULL; | |
5ae930e6 | 432 | } else if (!rc) |
8d376cd6 | 433 | ibm->flags.acpi_driver_registered = 1; |
56b6aeb0 | 434 | |
5ae930e6 | 435 | return rc; |
56b6aeb0 HMH |
436 | } |
437 | ||
438 | ||
439 | /**************************************************************************** | |
440 | **************************************************************************** | |
441 | * | |
442 | * Procfs Helpers | |
443 | * | |
444 | **************************************************************************** | |
445 | ****************************************************************************/ | |
446 | ||
8d376cd6 HMH |
447 | static int dispatch_procfs_read(char *page, char **start, off_t off, |
448 | int count, int *eof, void *data) | |
56b6aeb0 HMH |
449 | { |
450 | struct ibm_struct *ibm = data; | |
451 | int len; | |
452 | ||
453 | if (!ibm || !ibm->read) | |
454 | return -EINVAL; | |
455 | ||
456 | len = ibm->read(page); | |
457 | if (len < 0) | |
458 | return len; | |
459 | ||
460 | if (len <= off + count) | |
461 | *eof = 1; | |
462 | *start = page + off; | |
463 | len -= off; | |
464 | if (len > count) | |
465 | len = count; | |
466 | if (len < 0) | |
467 | len = 0; | |
468 | ||
469 | return len; | |
470 | } | |
471 | ||
8d376cd6 HMH |
472 | static int dispatch_procfs_write(struct file *file, |
473 | const char __user * userbuf, | |
474 | unsigned long count, void *data) | |
56b6aeb0 HMH |
475 | { |
476 | struct ibm_struct *ibm = data; | |
477 | char *kernbuf; | |
478 | int ret; | |
479 | ||
480 | if (!ibm || !ibm->write) | |
481 | return -EINVAL; | |
482 | ||
483 | kernbuf = kmalloc(count + 2, GFP_KERNEL); | |
484 | if (!kernbuf) | |
485 | return -ENOMEM; | |
1da177e4 | 486 | |
56b6aeb0 HMH |
487 | if (copy_from_user(kernbuf, userbuf, count)) { |
488 | kfree(kernbuf); | |
489 | return -EFAULT; | |
490 | } | |
1da177e4 | 491 | |
56b6aeb0 HMH |
492 | kernbuf[count] = 0; |
493 | strcat(kernbuf, ","); | |
494 | ret = ibm->write(kernbuf); | |
495 | if (ret == 0) | |
496 | ret = count; | |
1da177e4 | 497 | |
56b6aeb0 HMH |
498 | kfree(kernbuf); |
499 | ||
500 | return ret; | |
1da177e4 LT |
501 | } |
502 | ||
503 | static char *next_cmd(char **cmds) | |
504 | { | |
505 | char *start = *cmds; | |
506 | char *end; | |
507 | ||
508 | while ((end = strchr(start, ',')) && end == start) | |
509 | start = end + 1; | |
510 | ||
511 | if (!end) | |
512 | return NULL; | |
513 | ||
514 | *end = 0; | |
515 | *cmds = end + 1; | |
516 | return start; | |
517 | } | |
518 | ||
56b6aeb0 | 519 | |
54ae1501 HMH |
520 | /**************************************************************************** |
521 | **************************************************************************** | |
522 | * | |
7f5d1cd6 | 523 | * Device model: input, hwmon and platform |
54ae1501 HMH |
524 | * |
525 | **************************************************************************** | |
526 | ****************************************************************************/ | |
527 | ||
94954cc6 | 528 | static struct platform_device *tpacpi_pdev; |
7fd40029 | 529 | static struct platform_device *tpacpi_sensors_pdev; |
1beeffe4 | 530 | static struct device *tpacpi_hwmon; |
7f5d1cd6 | 531 | static struct input_dev *tpacpi_inputdev; |
8523ed6f | 532 | static struct mutex tpacpi_inputdev_send_mutex; |
54ae1501 | 533 | |
e295e850 HMH |
534 | |
535 | static int tpacpi_resume_handler(struct platform_device *pdev) | |
536 | { | |
537 | struct ibm_struct *ibm, *itmp; | |
538 | ||
539 | list_for_each_entry_safe(ibm, itmp, | |
540 | &tpacpi_all_drivers, | |
541 | all_drivers) { | |
542 | if (ibm->resume) | |
543 | (ibm->resume)(); | |
544 | } | |
545 | ||
546 | return 0; | |
547 | } | |
548 | ||
54ae1501 HMH |
549 | static struct platform_driver tpacpi_pdriver = { |
550 | .driver = { | |
551 | .name = IBM_DRVR_NAME, | |
552 | .owner = THIS_MODULE, | |
553 | }, | |
e295e850 | 554 | .resume = tpacpi_resume_handler, |
54ae1501 HMH |
555 | }; |
556 | ||
7fd40029 HMH |
557 | static struct platform_driver tpacpi_hwmon_pdriver = { |
558 | .driver = { | |
559 | .name = IBM_HWMON_DRVR_NAME, | |
560 | .owner = THIS_MODULE, | |
561 | }, | |
562 | }; | |
54ae1501 | 563 | |
176750d6 HMH |
564 | /************************************************************************* |
565 | * thinkpad-acpi driver attributes | |
566 | */ | |
567 | ||
568 | /* interface_version --------------------------------------------------- */ | |
569 | static ssize_t tpacpi_driver_interface_version_show( | |
570 | struct device_driver *drv, | |
571 | char *buf) | |
572 | { | |
573 | return snprintf(buf, PAGE_SIZE, "0x%08x\n", TPACPI_SYSFS_VERSION); | |
574 | } | |
575 | ||
576 | static DRIVER_ATTR(interface_version, S_IRUGO, | |
577 | tpacpi_driver_interface_version_show, NULL); | |
578 | ||
579 | /* debug_level --------------------------------------------------------- */ | |
580 | static ssize_t tpacpi_driver_debug_show(struct device_driver *drv, | |
581 | char *buf) | |
582 | { | |
583 | return snprintf(buf, PAGE_SIZE, "0x%04x\n", dbg_level); | |
584 | } | |
585 | ||
586 | static ssize_t tpacpi_driver_debug_store(struct device_driver *drv, | |
587 | const char *buf, size_t count) | |
588 | { | |
589 | unsigned long t; | |
176750d6 | 590 | |
7252374a | 591 | if (parse_strtoul(buf, 0xffff, &t)) |
176750d6 HMH |
592 | return -EINVAL; |
593 | ||
594 | dbg_level = t; | |
595 | ||
596 | return count; | |
597 | } | |
598 | ||
599 | static DRIVER_ATTR(debug_level, S_IWUSR | S_IRUGO, | |
600 | tpacpi_driver_debug_show, tpacpi_driver_debug_store); | |
601 | ||
602 | /* version ------------------------------------------------------------- */ | |
603 | static ssize_t tpacpi_driver_version_show(struct device_driver *drv, | |
604 | char *buf) | |
605 | { | |
606 | return snprintf(buf, PAGE_SIZE, "%s v%s\n", IBM_DESC, IBM_VERSION); | |
607 | } | |
608 | ||
609 | static DRIVER_ATTR(version, S_IRUGO, | |
610 | tpacpi_driver_version_show, NULL); | |
611 | ||
612 | /* --------------------------------------------------------------------- */ | |
613 | ||
614 | static struct driver_attribute* tpacpi_driver_attributes[] = { | |
615 | &driver_attr_debug_level, &driver_attr_version, | |
616 | &driver_attr_interface_version, | |
617 | }; | |
618 | ||
619 | static int __init tpacpi_create_driver_attributes(struct device_driver *drv) | |
620 | { | |
621 | int i, res; | |
622 | ||
623 | i = 0; | |
624 | res = 0; | |
625 | while (!res && i < ARRAY_SIZE(tpacpi_driver_attributes)) { | |
626 | res = driver_create_file(drv, tpacpi_driver_attributes[i]); | |
627 | i++; | |
628 | } | |
629 | ||
630 | return res; | |
631 | } | |
632 | ||
633 | static void tpacpi_remove_driver_attributes(struct device_driver *drv) | |
634 | { | |
635 | int i; | |
636 | ||
637 | for(i = 0; i < ARRAY_SIZE(tpacpi_driver_attributes); i++) | |
638 | driver_remove_file(drv, tpacpi_driver_attributes[i]); | |
639 | } | |
640 | ||
7252374a HMH |
641 | /************************************************************************* |
642 | * sysfs support helpers | |
643 | */ | |
644 | ||
645 | struct attribute_set_obj { | |
646 | struct attribute_set s; | |
647 | struct attribute *a; | |
648 | } __attribute__((packed)); | |
649 | ||
650 | static struct attribute_set *create_attr_set(unsigned int max_members, | |
651 | const char* name) | |
652 | { | |
653 | struct attribute_set_obj *sobj; | |
654 | ||
655 | if (max_members == 0) | |
656 | return NULL; | |
657 | ||
658 | /* Allocates space for implicit NULL at the end too */ | |
659 | sobj = kzalloc(sizeof(struct attribute_set_obj) + | |
660 | max_members * sizeof(struct attribute *), | |
661 | GFP_KERNEL); | |
662 | if (!sobj) | |
663 | return NULL; | |
664 | sobj->s.max_members = max_members; | |
665 | sobj->s.group.attrs = &sobj->a; | |
666 | sobj->s.group.name = name; | |
667 | ||
668 | return &sobj->s; | |
669 | } | |
670 | ||
671 | /* not multi-threaded safe, use it in a single thread per set */ | |
672 | static int add_to_attr_set(struct attribute_set* s, struct attribute *attr) | |
673 | { | |
674 | if (!s || !attr) | |
675 | return -EINVAL; | |
676 | ||
677 | if (s->members >= s->max_members) | |
678 | return -ENOMEM; | |
679 | ||
680 | s->group.attrs[s->members] = attr; | |
681 | s->members++; | |
682 | ||
683 | return 0; | |
684 | } | |
685 | ||
686 | static int add_many_to_attr_set(struct attribute_set* s, | |
687 | struct attribute **attr, | |
688 | unsigned int count) | |
689 | { | |
690 | int i, res; | |
691 | ||
692 | for (i = 0; i < count; i++) { | |
693 | res = add_to_attr_set(s, attr[i]); | |
694 | if (res) | |
695 | return res; | |
696 | } | |
697 | ||
698 | return 0; | |
699 | } | |
700 | ||
701 | static void delete_attr_set(struct attribute_set* s, struct kobject *kobj) | |
702 | { | |
703 | sysfs_remove_group(kobj, &s->group); | |
704 | destroy_attr_set(s); | |
705 | } | |
706 | ||
707 | static int parse_strtoul(const char *buf, | |
708 | unsigned long max, unsigned long *value) | |
709 | { | |
710 | char *endp; | |
711 | ||
32afbf07 HMH |
712 | while (*buf && isspace(*buf)) |
713 | buf++; | |
7252374a HMH |
714 | *value = simple_strtoul(buf, &endp, 0); |
715 | while (*endp && isspace(*endp)) | |
716 | endp++; | |
717 | if (*endp || *value > max) | |
718 | return -EINVAL; | |
719 | ||
720 | return 0; | |
721 | } | |
722 | ||
56b6aeb0 HMH |
723 | /**************************************************************************** |
724 | **************************************************************************** | |
725 | * | |
726 | * Subdrivers | |
727 | * | |
728 | **************************************************************************** | |
729 | ****************************************************************************/ | |
730 | ||
731 | /************************************************************************* | |
142cfc90 | 732 | * thinkpad-acpi init subdriver |
56b6aeb0 HMH |
733 | */ |
734 | ||
a5763f22 | 735 | static int __init thinkpad_acpi_driver_init(struct ibm_init_struct *iibm) |
1da177e4 LT |
736 | { |
737 | printk(IBM_INFO "%s v%s\n", IBM_DESC, IBM_VERSION); | |
738 | printk(IBM_INFO "%s\n", IBM_URL); | |
739 | ||
d5a2f2f1 HMH |
740 | printk(IBM_INFO "ThinkPad BIOS %s, EC %s\n", |
741 | (thinkpad_id.bios_version_str) ? | |
742 | thinkpad_id.bios_version_str : "unknown", | |
743 | (thinkpad_id.ec_version_str) ? | |
744 | thinkpad_id.ec_version_str : "unknown"); | |
745 | ||
746 | if (thinkpad_id.vendor && thinkpad_id.model_str) | |
747 | printk(IBM_INFO "%s %s\n", | |
748 | (thinkpad_id.vendor == PCI_VENDOR_ID_IBM) ? | |
749 | "IBM" : ((thinkpad_id.vendor == | |
750 | PCI_VENDOR_ID_LENOVO) ? | |
751 | "Lenovo" : "Unknown vendor"), | |
752 | thinkpad_id.model_str); | |
3945ac36 | 753 | |
1da177e4 LT |
754 | return 0; |
755 | } | |
756 | ||
643f12db | 757 | static int thinkpad_acpi_driver_read(char *p) |
1da177e4 LT |
758 | { |
759 | int len = 0; | |
760 | ||
761 | len += sprintf(p + len, "driver:\t\t%s\n", IBM_DESC); | |
762 | len += sprintf(p + len, "version:\t%s\n", IBM_VERSION); | |
763 | ||
764 | return len; | |
765 | } | |
766 | ||
a5763f22 HMH |
767 | static struct ibm_struct thinkpad_acpi_driver_data = { |
768 | .name = "driver", | |
769 | .read = thinkpad_acpi_driver_read, | |
770 | }; | |
771 | ||
56b6aeb0 HMH |
772 | /************************************************************************* |
773 | * Hotkey subdriver | |
774 | */ | |
775 | ||
78f81cc4 | 776 | static int hotkey_orig_status; |
ae92bd17 | 777 | static u32 hotkey_orig_mask; |
9b010de5 | 778 | static u32 hotkey_all_mask; |
6a38abbf HMH |
779 | static u32 hotkey_reserved_mask; |
780 | ||
edf0e0e5 | 781 | static u16 *hotkey_keycode_map; |
78f81cc4 | 782 | |
94954cc6 | 783 | static struct attribute_set *hotkey_dev_attributes; |
a0416420 | 784 | |
74941a69 HMH |
785 | static int hotkey_get_wlsw(int *status) |
786 | { | |
787 | if (!acpi_evalf(hkey_handle, status, "WLSW", "d")) | |
788 | return -EIO; | |
789 | return 0; | |
790 | } | |
791 | ||
a0416420 HMH |
792 | /* sysfs hotkey enable ------------------------------------------------- */ |
793 | static ssize_t hotkey_enable_show(struct device *dev, | |
794 | struct device_attribute *attr, | |
795 | char *buf) | |
796 | { | |
ae92bd17 HMH |
797 | int res, status; |
798 | u32 mask; | |
a0416420 HMH |
799 | |
800 | res = hotkey_get(&status, &mask); | |
801 | if (res) | |
802 | return res; | |
803 | ||
804 | return snprintf(buf, PAGE_SIZE, "%d\n", status); | |
805 | } | |
806 | ||
807 | static ssize_t hotkey_enable_store(struct device *dev, | |
808 | struct device_attribute *attr, | |
809 | const char *buf, size_t count) | |
810 | { | |
811 | unsigned long t; | |
ae92bd17 HMH |
812 | int res, status; |
813 | u32 mask; | |
a0416420 HMH |
814 | |
815 | if (parse_strtoul(buf, 1, &t)) | |
816 | return -EINVAL; | |
817 | ||
818 | res = hotkey_get(&status, &mask); | |
819 | if (!res) | |
820 | res = hotkey_set(t, mask); | |
821 | ||
822 | return (res) ? res : count; | |
823 | } | |
824 | ||
825 | static struct device_attribute dev_attr_hotkey_enable = | |
cc4c24e1 | 826 | __ATTR(hotkey_enable, S_IWUSR | S_IRUGO, |
a0416420 HMH |
827 | hotkey_enable_show, hotkey_enable_store); |
828 | ||
829 | /* sysfs hotkey mask --------------------------------------------------- */ | |
830 | static ssize_t hotkey_mask_show(struct device *dev, | |
831 | struct device_attribute *attr, | |
832 | char *buf) | |
833 | { | |
ae92bd17 HMH |
834 | int res, status; |
835 | u32 mask; | |
a0416420 HMH |
836 | |
837 | res = hotkey_get(&status, &mask); | |
838 | if (res) | |
839 | return res; | |
840 | ||
ae92bd17 | 841 | return snprintf(buf, PAGE_SIZE, "0x%08x\n", mask); |
a0416420 HMH |
842 | } |
843 | ||
844 | static ssize_t hotkey_mask_store(struct device *dev, | |
845 | struct device_attribute *attr, | |
846 | const char *buf, size_t count) | |
847 | { | |
848 | unsigned long t; | |
ae92bd17 HMH |
849 | int res, status; |
850 | u32 mask; | |
a0416420 | 851 | |
ae92bd17 | 852 | if (parse_strtoul(buf, 0xffffffffUL, &t)) |
a0416420 HMH |
853 | return -EINVAL; |
854 | ||
855 | res = hotkey_get(&status, &mask); | |
856 | if (!res) | |
857 | hotkey_set(status, t); | |
858 | ||
859 | return (res) ? res : count; | |
860 | } | |
861 | ||
862 | static struct device_attribute dev_attr_hotkey_mask = | |
cc4c24e1 | 863 | __ATTR(hotkey_mask, S_IWUSR | S_IRUGO, |
a0416420 HMH |
864 | hotkey_mask_show, hotkey_mask_store); |
865 | ||
866 | /* sysfs hotkey bios_enabled ------------------------------------------- */ | |
867 | static ssize_t hotkey_bios_enabled_show(struct device *dev, | |
868 | struct device_attribute *attr, | |
869 | char *buf) | |
870 | { | |
871 | return snprintf(buf, PAGE_SIZE, "%d\n", hotkey_orig_status); | |
872 | } | |
873 | ||
874 | static struct device_attribute dev_attr_hotkey_bios_enabled = | |
cc4c24e1 | 875 | __ATTR(hotkey_bios_enabled, S_IRUGO, hotkey_bios_enabled_show, NULL); |
a0416420 HMH |
876 | |
877 | /* sysfs hotkey bios_mask ---------------------------------------------- */ | |
878 | static ssize_t hotkey_bios_mask_show(struct device *dev, | |
879 | struct device_attribute *attr, | |
880 | char *buf) | |
881 | { | |
ae92bd17 | 882 | return snprintf(buf, PAGE_SIZE, "0x%08x\n", hotkey_orig_mask); |
a0416420 HMH |
883 | } |
884 | ||
885 | static struct device_attribute dev_attr_hotkey_bios_mask = | |
cc4c24e1 | 886 | __ATTR(hotkey_bios_mask, S_IRUGO, hotkey_bios_mask_show, NULL); |
a0416420 | 887 | |
9b010de5 HMH |
888 | /* sysfs hotkey all_mask ----------------------------------------------- */ |
889 | static ssize_t hotkey_all_mask_show(struct device *dev, | |
890 | struct device_attribute *attr, | |
891 | char *buf) | |
892 | { | |
893 | return snprintf(buf, PAGE_SIZE, "0x%08x\n", hotkey_all_mask); | |
894 | } | |
895 | ||
896 | static struct device_attribute dev_attr_hotkey_all_mask = | |
897 | __ATTR(hotkey_all_mask, S_IRUGO, hotkey_all_mask_show, NULL); | |
898 | ||
899 | /* sysfs hotkey recommended_mask --------------------------------------- */ | |
900 | static ssize_t hotkey_recommended_mask_show(struct device *dev, | |
901 | struct device_attribute *attr, | |
902 | char *buf) | |
903 | { | |
904 | return snprintf(buf, PAGE_SIZE, "0x%08x\n", | |
905 | hotkey_all_mask & ~hotkey_reserved_mask); | |
906 | } | |
907 | ||
908 | static struct device_attribute dev_attr_hotkey_recommended_mask = | |
909 | __ATTR(hotkey_recommended_mask, S_IRUGO, | |
910 | hotkey_recommended_mask_show, NULL); | |
911 | ||
74941a69 HMH |
912 | /* sysfs hotkey radio_sw ----------------------------------------------- */ |
913 | static ssize_t hotkey_radio_sw_show(struct device *dev, | |
914 | struct device_attribute *attr, | |
915 | char *buf) | |
916 | { | |
917 | int res, s; | |
918 | res = hotkey_get_wlsw(&s); | |
919 | if (res < 0) | |
920 | return res; | |
921 | ||
922 | return snprintf(buf, PAGE_SIZE, "%d\n", !!s); | |
923 | } | |
924 | ||
925 | static struct device_attribute dev_attr_hotkey_radio_sw = | |
926 | __ATTR(hotkey_radio_sw, S_IRUGO, hotkey_radio_sw_show, NULL); | |
927 | ||
ff80f137 HMH |
928 | /* sysfs hotkey report_mode -------------------------------------------- */ |
929 | static ssize_t hotkey_report_mode_show(struct device *dev, | |
930 | struct device_attribute *attr, | |
931 | char *buf) | |
932 | { | |
933 | return snprintf(buf, PAGE_SIZE, "%d\n", | |
934 | (hotkey_report_mode != 0) ? hotkey_report_mode : 1); | |
935 | } | |
936 | ||
937 | static struct device_attribute dev_attr_hotkey_report_mode = | |
938 | __ATTR(hotkey_report_mode, S_IRUGO, hotkey_report_mode_show, NULL); | |
939 | ||
a0416420 HMH |
940 | /* --------------------------------------------------------------------- */ |
941 | ||
ff80f137 HMH |
942 | static struct attribute *hotkey_attributes[] __initdata = { |
943 | &dev_attr_hotkey_enable.attr, | |
944 | &dev_attr_hotkey_report_mode.attr, | |
945 | }; | |
946 | ||
947 | static struct attribute *hotkey_mask_attributes[] __initdata = { | |
a0416420 HMH |
948 | &dev_attr_hotkey_mask.attr, |
949 | &dev_attr_hotkey_bios_enabled.attr, | |
950 | &dev_attr_hotkey_bios_mask.attr, | |
9b010de5 HMH |
951 | &dev_attr_hotkey_all_mask.attr, |
952 | &dev_attr_hotkey_recommended_mask.attr, | |
a0416420 HMH |
953 | }; |
954 | ||
a5763f22 | 955 | static int __init hotkey_init(struct ibm_init_struct *iibm) |
56b6aeb0 | 956 | { |
edf0e0e5 HMH |
957 | |
958 | static u16 ibm_keycode_map[] __initdata = { | |
959 | /* Scan Codes 0x00 to 0x0B: ACPI HKEY FN+F1..F12 */ | |
960 | KEY_FN_F1, KEY_FN_F2, KEY_COFFEE, KEY_SLEEP, | |
961 | KEY_WLAN, KEY_FN_F6, KEY_SWITCHVIDEOMODE, KEY_FN_F8, | |
962 | KEY_FN_F9, KEY_FN_F10, KEY_FN_F11, KEY_SUSPEND, | |
963 | /* Scan codes 0x0C to 0x0F: Other ACPI HKEY hot keys */ | |
964 | KEY_UNKNOWN, /* 0x0C: FN+BACKSPACE */ | |
965 | KEY_UNKNOWN, /* 0x0D: FN+INSERT */ | |
966 | KEY_UNKNOWN, /* 0x0E: FN+DELETE */ | |
e927c08d | 967 | KEY_RESERVED, /* 0x0F: FN+HOME (brightness up) */ |
edf0e0e5 | 968 | /* Scan codes 0x10 to 0x1F: Extended ACPI HKEY hot keys */ |
e927c08d | 969 | KEY_RESERVED, /* 0x10: FN+END (brightness down) */ |
edf0e0e5 HMH |
970 | KEY_RESERVED, /* 0x11: FN+PGUP (thinklight toggle) */ |
971 | KEY_UNKNOWN, /* 0x12: FN+PGDOWN */ | |
972 | KEY_ZOOM, /* 0x13: FN+SPACE (zoom) */ | |
e927c08d HMH |
973 | KEY_RESERVED, /* 0x14: VOLUME UP */ |
974 | KEY_RESERVED, /* 0x15: VOLUME DOWN */ | |
975 | KEY_RESERVED, /* 0x16: MUTE */ | |
edf0e0e5 HMH |
976 | KEY_VENDOR, /* 0x17: Thinkpad/AccessIBM/Lenovo */ |
977 | /* (assignments unknown, please report if found) */ | |
978 | KEY_UNKNOWN, KEY_UNKNOWN, KEY_UNKNOWN, KEY_UNKNOWN, | |
979 | KEY_UNKNOWN, KEY_UNKNOWN, KEY_UNKNOWN, KEY_UNKNOWN, | |
980 | }; | |
981 | static u16 lenovo_keycode_map[] __initdata = { | |
982 | /* Scan Codes 0x00 to 0x0B: ACPI HKEY FN+F1..F12 */ | |
983 | KEY_FN_F1, KEY_COFFEE, KEY_BATTERY, KEY_SLEEP, | |
984 | KEY_WLAN, KEY_FN_F6, KEY_SWITCHVIDEOMODE, KEY_FN_F8, | |
985 | KEY_FN_F9, KEY_FN_F10, KEY_FN_F11, KEY_SUSPEND, | |
986 | /* Scan codes 0x0C to 0x0F: Other ACPI HKEY hot keys */ | |
987 | KEY_UNKNOWN, /* 0x0C: FN+BACKSPACE */ | |
988 | KEY_UNKNOWN, /* 0x0D: FN+INSERT */ | |
989 | KEY_UNKNOWN, /* 0x0E: FN+DELETE */ | |
990 | KEY_BRIGHTNESSUP, /* 0x0F: FN+HOME (brightness up) */ | |
991 | /* Scan codes 0x10 to 0x1F: Extended ACPI HKEY hot keys */ | |
992 | KEY_BRIGHTNESSDOWN, /* 0x10: FN+END (brightness down) */ | |
993 | KEY_RESERVED, /* 0x11: FN+PGUP (thinklight toggle) */ | |
994 | KEY_UNKNOWN, /* 0x12: FN+PGDOWN */ | |
995 | KEY_ZOOM, /* 0x13: FN+SPACE (zoom) */ | |
e927c08d HMH |
996 | KEY_RESERVED, /* 0x14: VOLUME UP */ |
997 | KEY_RESERVED, /* 0x15: VOLUME DOWN */ | |
998 | KEY_RESERVED, /* 0x16: MUTE */ | |
edf0e0e5 HMH |
999 | KEY_VENDOR, /* 0x17: Thinkpad/AccessIBM/Lenovo */ |
1000 | /* (assignments unknown, please report if found) */ | |
1001 | KEY_UNKNOWN, KEY_UNKNOWN, KEY_UNKNOWN, KEY_UNKNOWN, | |
1002 | KEY_UNKNOWN, KEY_UNKNOWN, KEY_UNKNOWN, KEY_UNKNOWN, | |
1003 | }; | |
1004 | ||
1005 | #define TPACPI_HOTKEY_MAP_LEN ARRAY_SIZE(ibm_keycode_map) | |
1006 | #define TPACPI_HOTKEY_MAP_SIZE sizeof(ibm_keycode_map) | |
1007 | #define TPACPI_HOTKEY_MAP_TYPESIZE sizeof(ibm_keycode_map[0]) | |
1008 | ||
6a38abbf | 1009 | int res, i; |
74941a69 | 1010 | int status; |
1b6521dc | 1011 | int hkeyv; |
b86c4722 | 1012 | |
fe08bc4b HMH |
1013 | vdbg_printk(TPACPI_DBG_INIT, "initializing hotkey subdriver\n"); |
1014 | ||
6a38abbf HMH |
1015 | BUG_ON(!tpacpi_inputdev); |
1016 | ||
8d376cd6 | 1017 | IBM_ACPIHANDLE_INIT(hkey); |
40ca9fdf | 1018 | mutex_init(&hotkey_mutex); |
5fba344c | 1019 | |
56b6aeb0 | 1020 | /* hotkey not supported on 570 */ |
d8fd94d9 | 1021 | tp_features.hotkey = hkey_handle != NULL; |
56b6aeb0 | 1022 | |
fe08bc4b | 1023 | vdbg_printk(TPACPI_DBG_INIT, "hotkeys are %s\n", |
d8fd94d9 | 1024 | str_supported(tp_features.hotkey)); |
fe08bc4b | 1025 | |
d8fd94d9 | 1026 | if (tp_features.hotkey) { |
ff80f137 | 1027 | hotkey_dev_attributes = create_attr_set(8, NULL); |
a0416420 HMH |
1028 | if (!hotkey_dev_attributes) |
1029 | return -ENOMEM; | |
ff80f137 HMH |
1030 | res = add_many_to_attr_set(hotkey_dev_attributes, |
1031 | hotkey_attributes, | |
1032 | ARRAY_SIZE(hotkey_attributes)); | |
a0416420 HMH |
1033 | if (res) |
1034 | return res; | |
1035 | ||
56b6aeb0 | 1036 | /* mask not supported on 570, 600e/x, 770e, 770x, A21e, A2xm/p, |
1b6521dc HMH |
1037 | A30, R30, R31, T20-22, X20-21, X22-24. Detected by checking |
1038 | for HKEY interface version 0x100 */ | |
1039 | if (acpi_evalf(hkey_handle, &hkeyv, "MHKV", "qd")) { | |
1040 | if ((hkeyv >> 8) != 1) { | |
1041 | printk(IBM_ERR "unknown version of the " | |
1042 | "HKEY interface: 0x%x\n", hkeyv); | |
1043 | printk(IBM_ERR "please report this to %s\n", | |
1044 | IBM_MAIL); | |
1045 | } else { | |
1046 | /* | |
1047 | * MHKV 0x100 in A31, R40, R40e, | |
1048 | * T4x, X31, and later | |
1049 | * */ | |
1050 | tp_features.hotkey_mask = 1; | |
1051 | } | |
1052 | } | |
56b6aeb0 | 1053 | |
fe08bc4b | 1054 | vdbg_printk(TPACPI_DBG_INIT, "hotkey masks are %s\n", |
d8fd94d9 | 1055 | str_supported(tp_features.hotkey_mask)); |
fe08bc4b | 1056 | |
9b010de5 | 1057 | if (tp_features.hotkey_mask) { |
9b010de5 | 1058 | if (!acpi_evalf(hkey_handle, &hotkey_all_mask, |
1b6521dc HMH |
1059 | "MHKA", "qd")) { |
1060 | printk(IBM_ERR | |
1061 | "missing MHKA handler, " | |
1062 | "please report this to %s\n", | |
1063 | IBM_MAIL); | |
9b010de5 | 1064 | hotkey_all_mask = 0x080cU; /* FN+F12, FN+F4, FN+F3 */ |
1b6521dc | 1065 | } |
9b010de5 HMH |
1066 | } |
1067 | ||
b86c4722 | 1068 | res = hotkey_get(&hotkey_orig_status, &hotkey_orig_mask); |
a0416420 HMH |
1069 | if (!res && tp_features.hotkey_mask) { |
1070 | res = add_many_to_attr_set(hotkey_dev_attributes, | |
1071 | hotkey_mask_attributes, | |
1072 | ARRAY_SIZE(hotkey_mask_attributes)); | |
1073 | } | |
74941a69 HMH |
1074 | |
1075 | /* Not all thinkpads have a hardware radio switch */ | |
1076 | if (!res && acpi_evalf(hkey_handle, &status, "WLSW", "qd")) { | |
1077 | tp_features.hotkey_wlsw = 1; | |
1078 | printk(IBM_INFO | |
1079 | "radio switch found; radios are %s\n", | |
1080 | enabled(status, 0)); | |
1081 | res = add_to_attr_set(hotkey_dev_attributes, | |
1082 | &dev_attr_hotkey_radio_sw.attr); | |
1083 | } | |
1084 | ||
a0416420 HMH |
1085 | if (!res) |
1086 | res = register_attr_set_with_sysfs( | |
1087 | hotkey_dev_attributes, | |
1088 | &tpacpi_pdev->dev.kobj); | |
b86c4722 HMH |
1089 | if (res) |
1090 | return res; | |
6a38abbf | 1091 | |
edf0e0e5 HMH |
1092 | /* Set up key map */ |
1093 | ||
1094 | hotkey_keycode_map = kmalloc(TPACPI_HOTKEY_MAP_SIZE, | |
1095 | GFP_KERNEL); | |
1096 | if (!hotkey_keycode_map) { | |
1097 | printk(IBM_ERR "failed to allocate memory for key map\n"); | |
1098 | return -ENOMEM; | |
1099 | } | |
1100 | ||
1101 | if (thinkpad_id.vendor == PCI_VENDOR_ID_LENOVO) { | |
1102 | dbg_printk(TPACPI_DBG_INIT, | |
1103 | "using Lenovo default hot key map\n"); | |
1104 | memcpy(hotkey_keycode_map, &lenovo_keycode_map, | |
1105 | TPACPI_HOTKEY_MAP_SIZE); | |
1106 | } else { | |
1107 | dbg_printk(TPACPI_DBG_INIT, | |
1108 | "using IBM default hot key map\n"); | |
1109 | memcpy(hotkey_keycode_map, &ibm_keycode_map, | |
1110 | TPACPI_HOTKEY_MAP_SIZE); | |
1111 | } | |
1112 | ||
6a38abbf HMH |
1113 | set_bit(EV_KEY, tpacpi_inputdev->evbit); |
1114 | set_bit(EV_MSC, tpacpi_inputdev->evbit); | |
1115 | set_bit(MSC_SCAN, tpacpi_inputdev->mscbit); | |
edf0e0e5 HMH |
1116 | tpacpi_inputdev->keycodesize = TPACPI_HOTKEY_MAP_TYPESIZE; |
1117 | tpacpi_inputdev->keycodemax = TPACPI_HOTKEY_MAP_LEN; | |
1118 | tpacpi_inputdev->keycode = hotkey_keycode_map; | |
1119 | for (i = 0; i < TPACPI_HOTKEY_MAP_LEN; i++) { | |
6a38abbf HMH |
1120 | if (hotkey_keycode_map[i] != KEY_RESERVED) { |
1121 | set_bit(hotkey_keycode_map[i], | |
1122 | tpacpi_inputdev->keybit); | |
1123 | } else { | |
1124 | if (i < sizeof(hotkey_reserved_mask)*8) | |
1125 | hotkey_reserved_mask |= 1 << i; | |
1126 | } | |
1127 | } | |
1128 | ||
5c29d58f HMH |
1129 | if (tp_features.hotkey_wlsw) { |
1130 | set_bit(EV_SW, tpacpi_inputdev->evbit); | |
1131 | set_bit(SW_RADIO, tpacpi_inputdev->swbit); | |
1132 | } | |
1133 | ||
1a343760 HMH |
1134 | dbg_printk(TPACPI_DBG_INIT, |
1135 | "enabling hot key handling\n"); | |
1136 | res = hotkey_set(1, (hotkey_all_mask & ~hotkey_reserved_mask) | |
1137 | | hotkey_orig_mask); | |
1138 | if (res) | |
1139 | return res; | |
ff80f137 HMH |
1140 | |
1141 | dbg_printk(TPACPI_DBG_INIT, | |
1142 | "legacy hot key reporting over procfs %s\n", | |
1143 | (hotkey_report_mode < 2) ? | |
1144 | "enabled" : "disabled"); | |
56b6aeb0 HMH |
1145 | } |
1146 | ||
d8fd94d9 | 1147 | return (tp_features.hotkey)? 0 : 1; |
56b6aeb0 HMH |
1148 | } |
1149 | ||
1150 | static void hotkey_exit(void) | |
1151 | { | |
b86c4722 HMH |
1152 | int res; |
1153 | ||
d8fd94d9 | 1154 | if (tp_features.hotkey) { |
fe08bc4b | 1155 | dbg_printk(TPACPI_DBG_EXIT, "restoring original hotkey mask\n"); |
b86c4722 HMH |
1156 | res = hotkey_set(hotkey_orig_status, hotkey_orig_mask); |
1157 | if (res) | |
1158 | printk(IBM_ERR "failed to restore hotkey to BIOS defaults\n"); | |
5fba344c | 1159 | } |
a0416420 HMH |
1160 | |
1161 | if (hotkey_dev_attributes) { | |
1162 | delete_attr_set(hotkey_dev_attributes, &tpacpi_pdev->dev.kobj); | |
1163 | hotkey_dev_attributes = NULL; | |
1164 | } | |
56b6aeb0 HMH |
1165 | } |
1166 | ||
6a38abbf HMH |
1167 | static void tpacpi_input_send_key(unsigned int scancode, |
1168 | unsigned int keycode) | |
1169 | { | |
1170 | if (keycode != KEY_RESERVED) { | |
8523ed6f HMH |
1171 | mutex_lock(&tpacpi_inputdev_send_mutex); |
1172 | ||
6a38abbf HMH |
1173 | input_report_key(tpacpi_inputdev, keycode, 1); |
1174 | if (keycode == KEY_UNKNOWN) | |
1175 | input_event(tpacpi_inputdev, EV_MSC, MSC_SCAN, | |
1176 | scancode); | |
1177 | input_sync(tpacpi_inputdev); | |
1178 | ||
1179 | input_report_key(tpacpi_inputdev, keycode, 0); | |
1180 | if (keycode == KEY_UNKNOWN) | |
1181 | input_event(tpacpi_inputdev, EV_MSC, MSC_SCAN, | |
1182 | scancode); | |
1183 | input_sync(tpacpi_inputdev); | |
8523ed6f HMH |
1184 | |
1185 | mutex_unlock(&tpacpi_inputdev_send_mutex); | |
6a38abbf HMH |
1186 | } |
1187 | } | |
1188 | ||
5c29d58f HMH |
1189 | static void tpacpi_input_send_radiosw(void) |
1190 | { | |
1191 | int wlsw; | |
1192 | ||
8523ed6f HMH |
1193 | mutex_lock(&tpacpi_inputdev_send_mutex); |
1194 | ||
f4e1e43c | 1195 | if (tp_features.hotkey_wlsw && !hotkey_get_wlsw(&wlsw)) { |
5c29d58f HMH |
1196 | input_report_switch(tpacpi_inputdev, |
1197 | SW_RADIO, !!wlsw); | |
f4e1e43c HMH |
1198 | input_sync(tpacpi_inputdev); |
1199 | } | |
8523ed6f HMH |
1200 | |
1201 | mutex_unlock(&tpacpi_inputdev_send_mutex); | |
5c29d58f HMH |
1202 | } |
1203 | ||
56b6aeb0 HMH |
1204 | static void hotkey_notify(struct ibm_struct *ibm, u32 event) |
1205 | { | |
6a38abbf HMH |
1206 | u32 hkey; |
1207 | unsigned int keycode, scancode; | |
3eea123d | 1208 | int send_acpi_ev; |
3e5ce914 | 1209 | int ignore_acpi_ev; |
3eea123d HMH |
1210 | |
1211 | if (event != 0x80) { | |
1212 | printk(IBM_ERR "unknown HKEY notification event %d\n", event); | |
1213 | /* forward it to userspace, maybe it knows how to handle it */ | |
1214 | acpi_bus_generate_netlink_event(ibm->acpi->device->pnp.device_class, | |
1215 | ibm->acpi->device->dev.bus_id, | |
1216 | event, 0); | |
1217 | return; | |
1218 | } | |
1219 | ||
1220 | while (1) { | |
1221 | if (!acpi_evalf(hkey_handle, &hkey, "MHKP", "d")) { | |
1222 | printk(IBM_ERR "failed to retrieve HKEY event\n"); | |
1223 | return; | |
1224 | } | |
1225 | ||
1226 | if (hkey == 0) { | |
1227 | /* queue empty */ | |
1228 | return; | |
1229 | } | |
1230 | ||
1231 | send_acpi_ev = 0; | |
3e5ce914 | 1232 | ignore_acpi_ev = 0; |
56b6aeb0 | 1233 | |
ff80f137 HMH |
1234 | switch (hkey >> 12) { |
1235 | case 1: | |
1236 | /* 0x1000-0x1FFF: key presses */ | |
1237 | scancode = hkey & 0xfff; | |
1238 | if (scancode > 0 && scancode < 0x21) { | |
1239 | scancode--; | |
1240 | keycode = hotkey_keycode_map[scancode]; | |
1241 | tpacpi_input_send_key(scancode, keycode); | |
1242 | } else { | |
1243 | printk(IBM_ERR | |
1244 | "hotkey 0x%04x out of range for keyboard map\n", | |
1245 | hkey); | |
1246 | send_acpi_ev = 1; | |
1247 | } | |
1248 | break; | |
1249 | case 5: | |
1250 | /* 0x5000-0x5FFF: LID */ | |
1251 | /* we don't handle it through this path, just | |
1252 | * eat up known LID events */ | |
1253 | if (hkey != 0x5001 && hkey != 0x5002) { | |
1254 | printk(IBM_ERR | |
3eea123d HMH |
1255 | "unknown LID-related HKEY event: 0x%04x\n", |
1256 | hkey); | |
ff80f137 | 1257 | send_acpi_ev = 1; |
3e5ce914 HMH |
1258 | } else { |
1259 | ignore_acpi_ev = 1; | |
ff80f137 HMH |
1260 | } |
1261 | break; | |
1262 | case 7: | |
1263 | /* 0x7000-0x7FFF: misc */ | |
1264 | if (tp_features.hotkey_wlsw && hkey == 0x7000) { | |
1265 | tpacpi_input_send_radiosw(); | |
6a38abbf | 1266 | break; |
6a38abbf | 1267 | } |
ff80f137 HMH |
1268 | /* fallthrough to default */ |
1269 | default: | |
1270 | /* case 2: dock-related */ | |
1271 | /* 0x2305 - T43 waking up due to bay lever eject while aslept */ | |
1272 | /* case 3: ultra-bay related. maybe bay in dock? */ | |
1273 | /* 0x3003 - T43 after wake up by bay lever eject (0x2305) */ | |
1274 | printk(IBM_NOTICE "unhandled HKEY event 0x%04x\n", hkey); | |
1275 | send_acpi_ev = 1; | |
6a38abbf | 1276 | } |
ff80f137 | 1277 | |
3eea123d | 1278 | /* Legacy events */ |
3e5ce914 | 1279 | if (!ignore_acpi_ev && (send_acpi_ev || hotkey_report_mode < 2)) { |
3eea123d | 1280 | acpi_bus_generate_proc_event(ibm->acpi->device, event, hkey); |
3e5ce914 | 1281 | } |
ff80f137 | 1282 | |
3eea123d | 1283 | /* netlink events */ |
3e5ce914 | 1284 | if (!ignore_acpi_ev && send_acpi_ev) { |
3eea123d HMH |
1285 | acpi_bus_generate_netlink_event(ibm->acpi->device->pnp.device_class, |
1286 | ibm->acpi->device->dev.bus_id, | |
1287 | event, hkey); | |
1288 | } | |
56b6aeb0 HMH |
1289 | } |
1290 | } | |
1291 | ||
5c29d58f HMH |
1292 | static void hotkey_resume(void) |
1293 | { | |
1294 | tpacpi_input_send_radiosw(); | |
1295 | } | |
1296 | ||
40ca9fdf HMH |
1297 | /* |
1298 | * Call with hotkey_mutex held | |
1299 | */ | |
ae92bd17 | 1300 | static int hotkey_get(int *status, u32 *mask) |
1da177e4 LT |
1301 | { |
1302 | if (!acpi_evalf(hkey_handle, status, "DHKC", "d")) | |
b86c4722 | 1303 | return -EIO; |
78f81cc4 | 1304 | |
d8fd94d9 | 1305 | if (tp_features.hotkey_mask) |
78f81cc4 | 1306 | if (!acpi_evalf(hkey_handle, mask, "DHKN", "d")) |
b86c4722 | 1307 | return -EIO; |
78f81cc4 | 1308 | |
b86c4722 | 1309 | return 0; |
1da177e4 LT |
1310 | } |
1311 | ||
40ca9fdf HMH |
1312 | /* |
1313 | * Call with hotkey_mutex held | |
1314 | */ | |
ae92bd17 | 1315 | static int hotkey_set(int status, u32 mask) |
1da177e4 LT |
1316 | { |
1317 | int i; | |
1318 | ||
1319 | if (!acpi_evalf(hkey_handle, NULL, "MHKC", "vd", status)) | |
b86c4722 | 1320 | return -EIO; |
1da177e4 | 1321 | |
d8fd94d9 | 1322 | if (tp_features.hotkey_mask) |
78f81cc4 BD |
1323 | for (i = 0; i < 32; i++) { |
1324 | int bit = ((1 << i) & mask) != 0; | |
1325 | if (!acpi_evalf(hkey_handle, | |
1326 | NULL, "MHKM", "vdd", i + 1, bit)) | |
b86c4722 | 1327 | return -EIO; |
78f81cc4 | 1328 | } |
1da177e4 | 1329 | |
b86c4722 | 1330 | return 0; |
1da177e4 LT |
1331 | } |
1332 | ||
a0416420 | 1333 | /* procfs -------------------------------------------------------------- */ |
78f81cc4 | 1334 | static int hotkey_read(char *p) |
1da177e4 | 1335 | { |
ae92bd17 HMH |
1336 | int res, status; |
1337 | u32 mask; | |
1da177e4 LT |
1338 | int len = 0; |
1339 | ||
d8fd94d9 | 1340 | if (!tp_features.hotkey) { |
78f81cc4 BD |
1341 | len += sprintf(p + len, "status:\t\tnot supported\n"); |
1342 | return len; | |
1343 | } | |
1344 | ||
40ca9fdf HMH |
1345 | res = mutex_lock_interruptible(&hotkey_mutex); |
1346 | if (res < 0) | |
1347 | return res; | |
b86c4722 | 1348 | res = hotkey_get(&status, &mask); |
40ca9fdf | 1349 | mutex_unlock(&hotkey_mutex); |
b86c4722 HMH |
1350 | if (res) |
1351 | return res; | |
1da177e4 LT |
1352 | |
1353 | len += sprintf(p + len, "status:\t\t%s\n", enabled(status, 0)); | |
d8fd94d9 | 1354 | if (tp_features.hotkey_mask) { |
ae92bd17 | 1355 | len += sprintf(p + len, "mask:\t\t0x%08x\n", mask); |
1da177e4 LT |
1356 | len += sprintf(p + len, |
1357 | "commands:\tenable, disable, reset, <mask>\n"); | |
1358 | } else { | |
1359 | len += sprintf(p + len, "mask:\t\tnot supported\n"); | |
1360 | len += sprintf(p + len, "commands:\tenable, disable, reset\n"); | |
1361 | } | |
1362 | ||
1363 | return len; | |
1364 | } | |
1365 | ||
78f81cc4 | 1366 | static int hotkey_write(char *buf) |
1da177e4 | 1367 | { |
ae92bd17 HMH |
1368 | int res, status; |
1369 | u32 mask; | |
1da177e4 LT |
1370 | char *cmd; |
1371 | int do_cmd = 0; | |
1372 | ||
d8fd94d9 | 1373 | if (!tp_features.hotkey) |
1da177e4 LT |
1374 | return -ENODEV; |
1375 | ||
40ca9fdf HMH |
1376 | res = mutex_lock_interruptible(&hotkey_mutex); |
1377 | if (res < 0) | |
1378 | return res; | |
1379 | ||
b86c4722 HMH |
1380 | res = hotkey_get(&status, &mask); |
1381 | if (res) | |
40ca9fdf | 1382 | goto errexit; |
78f81cc4 | 1383 | |
40ca9fdf | 1384 | res = 0; |
1da177e4 LT |
1385 | while ((cmd = next_cmd(&buf))) { |
1386 | if (strlencmp(cmd, "enable") == 0) { | |
1387 | status = 1; | |
1388 | } else if (strlencmp(cmd, "disable") == 0) { | |
1389 | status = 0; | |
1390 | } else if (strlencmp(cmd, "reset") == 0) { | |
78f81cc4 BD |
1391 | status = hotkey_orig_status; |
1392 | mask = hotkey_orig_mask; | |
1da177e4 LT |
1393 | } else if (sscanf(cmd, "0x%x", &mask) == 1) { |
1394 | /* mask set */ | |
1395 | } else if (sscanf(cmd, "%x", &mask) == 1) { | |
1396 | /* mask set */ | |
40ca9fdf HMH |
1397 | } else { |
1398 | res = -EINVAL; | |
1399 | goto errexit; | |
1400 | } | |
1da177e4 LT |
1401 | do_cmd = 1; |
1402 | } | |
1403 | ||
40ca9fdf | 1404 | if (do_cmd) |
b86c4722 | 1405 | res = hotkey_set(status, mask); |
1da177e4 | 1406 | |
40ca9fdf HMH |
1407 | errexit: |
1408 | mutex_unlock(&hotkey_mutex); | |
1409 | return res; | |
78f81cc4 | 1410 | } |
1da177e4 | 1411 | |
1ba90e3a TR |
1412 | static const struct acpi_device_id ibm_htk_device_ids[] = { |
1413 | {IBM_HKEY_HID, 0}, | |
1414 | {"", 0}, | |
1415 | }; | |
1416 | ||
8d376cd6 | 1417 | static struct tp_acpi_drv_struct ibm_hotkey_acpidriver = { |
1ba90e3a | 1418 | .hid = ibm_htk_device_ids, |
8d376cd6 HMH |
1419 | .notify = hotkey_notify, |
1420 | .handle = &hkey_handle, | |
1421 | .type = ACPI_DEVICE_NOTIFY, | |
1422 | }; | |
1423 | ||
a5763f22 HMH |
1424 | static struct ibm_struct hotkey_driver_data = { |
1425 | .name = "hotkey", | |
a5763f22 HMH |
1426 | .read = hotkey_read, |
1427 | .write = hotkey_write, | |
1428 | .exit = hotkey_exit, | |
5c29d58f | 1429 | .resume = hotkey_resume, |
8d376cd6 | 1430 | .acpi = &ibm_hotkey_acpidriver, |
a5763f22 HMH |
1431 | }; |
1432 | ||
56b6aeb0 HMH |
1433 | /************************************************************************* |
1434 | * Bluetooth subdriver | |
1435 | */ | |
1da177e4 | 1436 | |
d3a6ade4 HMH |
1437 | /* sysfs bluetooth enable ---------------------------------------------- */ |
1438 | static ssize_t bluetooth_enable_show(struct device *dev, | |
1439 | struct device_attribute *attr, | |
1440 | char *buf) | |
1441 | { | |
1442 | int status; | |
1443 | ||
1444 | status = bluetooth_get_radiosw(); | |
1445 | if (status < 0) | |
1446 | return status; | |
1447 | ||
1448 | return snprintf(buf, PAGE_SIZE, "%d\n", status ? 1 : 0); | |
1449 | } | |
1450 | ||
1451 | static ssize_t bluetooth_enable_store(struct device *dev, | |
1452 | struct device_attribute *attr, | |
1453 | const char *buf, size_t count) | |
1454 | { | |
1455 | unsigned long t; | |
1456 | int res; | |
1457 | ||
1458 | if (parse_strtoul(buf, 1, &t)) | |
1459 | return -EINVAL; | |
1460 | ||
1461 | res = bluetooth_set_radiosw(t); | |
1462 | ||
1463 | return (res) ? res : count; | |
1464 | } | |
1465 | ||
1466 | static struct device_attribute dev_attr_bluetooth_enable = | |
cc4c24e1 | 1467 | __ATTR(bluetooth_enable, S_IWUSR | S_IRUGO, |
d3a6ade4 HMH |
1468 | bluetooth_enable_show, bluetooth_enable_store); |
1469 | ||
1470 | /* --------------------------------------------------------------------- */ | |
1471 | ||
1472 | static struct attribute *bluetooth_attributes[] = { | |
1473 | &dev_attr_bluetooth_enable.attr, | |
1474 | NULL | |
1475 | }; | |
1476 | ||
1477 | static const struct attribute_group bluetooth_attr_group = { | |
d3a6ade4 HMH |
1478 | .attrs = bluetooth_attributes, |
1479 | }; | |
1480 | ||
a5763f22 | 1481 | static int __init bluetooth_init(struct ibm_init_struct *iibm) |
1da177e4 | 1482 | { |
d3a6ade4 | 1483 | int res; |
d6fdd1e9 HMH |
1484 | int status = 0; |
1485 | ||
fe08bc4b HMH |
1486 | vdbg_printk(TPACPI_DBG_INIT, "initializing bluetooth subdriver\n"); |
1487 | ||
8d376cd6 | 1488 | IBM_ACPIHANDLE_INIT(hkey); |
5fba344c | 1489 | |
78f81cc4 BD |
1490 | /* bluetooth not supported on 570, 600e/x, 770e, 770x, A21e, A2xm/p, |
1491 | G4x, R30, R31, R40e, R50e, T20-22, X20-21 */ | |
d8fd94d9 | 1492 | tp_features.bluetooth = hkey_handle && |
d6fdd1e9 HMH |
1493 | acpi_evalf(hkey_handle, &status, "GBDC", "qd"); |
1494 | ||
1495 | vdbg_printk(TPACPI_DBG_INIT, "bluetooth is %s, status 0x%02x\n", | |
1496 | str_supported(tp_features.bluetooth), | |
1497 | status); | |
1498 | ||
d3a6ade4 HMH |
1499 | if (tp_features.bluetooth) { |
1500 | if (!(status & TP_ACPI_BLUETOOTH_HWPRESENT)) { | |
1501 | /* no bluetooth hardware present in system */ | |
1502 | tp_features.bluetooth = 0; | |
1503 | dbg_printk(TPACPI_DBG_INIT, | |
1504 | "bluetooth hardware not installed\n"); | |
1505 | } else { | |
1506 | res = sysfs_create_group(&tpacpi_pdev->dev.kobj, | |
1507 | &bluetooth_attr_group); | |
1508 | if (res) | |
1509 | return res; | |
1510 | } | |
d6fdd1e9 | 1511 | } |
fe08bc4b | 1512 | |
d8fd94d9 | 1513 | return (tp_features.bluetooth)? 0 : 1; |
1da177e4 LT |
1514 | } |
1515 | ||
d3a6ade4 HMH |
1516 | static void bluetooth_exit(void) |
1517 | { | |
1518 | sysfs_remove_group(&tpacpi_pdev->dev.kobj, | |
1519 | &bluetooth_attr_group); | |
1520 | } | |
1521 | ||
d6fdd1e9 | 1522 | static int bluetooth_get_radiosw(void) |
1da177e4 LT |
1523 | { |
1524 | int status; | |
1525 | ||
d6fdd1e9 HMH |
1526 | if (!tp_features.bluetooth) |
1527 | return -ENODEV; | |
1da177e4 | 1528 | |
d6fdd1e9 HMH |
1529 | if (!acpi_evalf(hkey_handle, &status, "GBDC", "d")) |
1530 | return -EIO; | |
1531 | ||
1532 | return ((status & TP_ACPI_BLUETOOTH_RADIOSSW) != 0); | |
1533 | } | |
1534 | ||
1535 | static int bluetooth_set_radiosw(int radio_on) | |
1536 | { | |
1537 | int status; | |
1538 | ||
1539 | if (!tp_features.bluetooth) | |
1540 | return -ENODEV; | |
1541 | ||
1542 | if (!acpi_evalf(hkey_handle, &status, "GBDC", "d")) | |
1543 | return -EIO; | |
1544 | if (radio_on) | |
1545 | status |= TP_ACPI_BLUETOOTH_RADIOSSW; | |
1546 | else | |
1547 | status &= ~TP_ACPI_BLUETOOTH_RADIOSSW; | |
1548 | if (!acpi_evalf(hkey_handle, NULL, "SBDC", "vd", status)) | |
1549 | return -EIO; | |
1550 | ||
1551 | return 0; | |
1da177e4 LT |
1552 | } |
1553 | ||
d3a6ade4 | 1554 | /* procfs -------------------------------------------------------------- */ |
78f81cc4 | 1555 | static int bluetooth_read(char *p) |
1da177e4 LT |
1556 | { |
1557 | int len = 0; | |
d6fdd1e9 | 1558 | int status = bluetooth_get_radiosw(); |
1da177e4 | 1559 | |
d8fd94d9 | 1560 | if (!tp_features.bluetooth) |
1da177e4 | 1561 | len += sprintf(p + len, "status:\t\tnot supported\n"); |
1da177e4 | 1562 | else { |
d6fdd1e9 HMH |
1563 | len += sprintf(p + len, "status:\t\t%s\n", |
1564 | (status)? "enabled" : "disabled"); | |
1da177e4 LT |
1565 | len += sprintf(p + len, "commands:\tenable, disable\n"); |
1566 | } | |
1567 | ||
1568 | return len; | |
1569 | } | |
1570 | ||
78f81cc4 | 1571 | static int bluetooth_write(char *buf) |
1da177e4 | 1572 | { |
1da177e4 | 1573 | char *cmd; |
1da177e4 | 1574 | |
d8fd94d9 | 1575 | if (!tp_features.bluetooth) |
78f81cc4 | 1576 | return -ENODEV; |
1da177e4 LT |
1577 | |
1578 | while ((cmd = next_cmd(&buf))) { | |
1579 | if (strlencmp(cmd, "enable") == 0) { | |
d6fdd1e9 | 1580 | bluetooth_set_radiosw(1); |
1da177e4 | 1581 | } else if (strlencmp(cmd, "disable") == 0) { |
d6fdd1e9 | 1582 | bluetooth_set_radiosw(0); |
1da177e4 LT |
1583 | } else |
1584 | return -EINVAL; | |
1da177e4 LT |
1585 | } |
1586 | ||
1da177e4 LT |
1587 | return 0; |
1588 | } | |
1589 | ||
a5763f22 HMH |
1590 | static struct ibm_struct bluetooth_driver_data = { |
1591 | .name = "bluetooth", | |
1592 | .read = bluetooth_read, | |
1593 | .write = bluetooth_write, | |
d3a6ade4 | 1594 | .exit = bluetooth_exit, |
a5763f22 HMH |
1595 | }; |
1596 | ||
56b6aeb0 HMH |
1597 | /************************************************************************* |
1598 | * Wan subdriver | |
1599 | */ | |
1600 | ||
d3a6ade4 HMH |
1601 | /* sysfs wan enable ---------------------------------------------------- */ |
1602 | static ssize_t wan_enable_show(struct device *dev, | |
1603 | struct device_attribute *attr, | |
1604 | char *buf) | |
1605 | { | |
1606 | int status; | |
1607 | ||
1608 | status = wan_get_radiosw(); | |
1609 | if (status < 0) | |
1610 | return status; | |
1611 | ||
1612 | return snprintf(buf, PAGE_SIZE, "%d\n", status ? 1 : 0); | |
1613 | } | |
1614 | ||
1615 | static ssize_t wan_enable_store(struct device *dev, | |
1616 | struct device_attribute *attr, | |
1617 | const char *buf, size_t count) | |
1618 | { | |
1619 | unsigned long t; | |
1620 | int res; | |
1621 | ||
1622 | if (parse_strtoul(buf, 1, &t)) | |
1623 | return -EINVAL; | |
1624 | ||
1625 | res = wan_set_radiosw(t); | |
1626 | ||
1627 | return (res) ? res : count; | |
1628 | } | |
1629 | ||
1630 | static struct device_attribute dev_attr_wan_enable = | |
cc4c24e1 | 1631 | __ATTR(wwan_enable, S_IWUSR | S_IRUGO, |
d3a6ade4 HMH |
1632 | wan_enable_show, wan_enable_store); |
1633 | ||
1634 | /* --------------------------------------------------------------------- */ | |
1635 | ||
1636 | static struct attribute *wan_attributes[] = { | |
1637 | &dev_attr_wan_enable.attr, | |
1638 | NULL | |
1639 | }; | |
1640 | ||
1641 | static const struct attribute_group wan_attr_group = { | |
d3a6ade4 HMH |
1642 | .attrs = wan_attributes, |
1643 | }; | |
1644 | ||
a5763f22 | 1645 | static int __init wan_init(struct ibm_init_struct *iibm) |
42adb53c | 1646 | { |
d3a6ade4 | 1647 | int res; |
d6fdd1e9 HMH |
1648 | int status = 0; |
1649 | ||
fe08bc4b HMH |
1650 | vdbg_printk(TPACPI_DBG_INIT, "initializing wan subdriver\n"); |
1651 | ||
8d376cd6 | 1652 | IBM_ACPIHANDLE_INIT(hkey); |
5fba344c | 1653 | |
d8fd94d9 | 1654 | tp_features.wan = hkey_handle && |
d6fdd1e9 HMH |
1655 | acpi_evalf(hkey_handle, &status, "GWAN", "qd"); |
1656 | ||
1657 | vdbg_printk(TPACPI_DBG_INIT, "wan is %s, status 0x%02x\n", | |
1658 | str_supported(tp_features.wan), | |
1659 | status); | |
1660 | ||
d3a6ade4 HMH |
1661 | if (tp_features.wan) { |
1662 | if (!(status & TP_ACPI_WANCARD_HWPRESENT)) { | |
1663 | /* no wan hardware present in system */ | |
1664 | tp_features.wan = 0; | |
1665 | dbg_printk(TPACPI_DBG_INIT, | |
1666 | "wan hardware not installed\n"); | |
1667 | } else { | |
1668 | res = sysfs_create_group(&tpacpi_pdev->dev.kobj, | |
1669 | &wan_attr_group); | |
1670 | if (res) | |
1671 | return res; | |
1672 | } | |
d6fdd1e9 | 1673 | } |
fe08bc4b | 1674 | |
d8fd94d9 | 1675 | return (tp_features.wan)? 0 : 1; |
42adb53c JF |
1676 | } |
1677 | ||
d3a6ade4 HMH |
1678 | static void wan_exit(void) |
1679 | { | |
1680 | sysfs_remove_group(&tpacpi_pdev->dev.kobj, | |
1681 | &wan_attr_group); | |
1682 | } | |
1683 | ||
d6fdd1e9 | 1684 | static int wan_get_radiosw(void) |
42adb53c JF |
1685 | { |
1686 | int status; | |
1687 | ||
d6fdd1e9 HMH |
1688 | if (!tp_features.wan) |
1689 | return -ENODEV; | |
42adb53c | 1690 | |
d6fdd1e9 HMH |
1691 | if (!acpi_evalf(hkey_handle, &status, "GWAN", "d")) |
1692 | return -EIO; | |
1693 | ||
1694 | return ((status & TP_ACPI_WANCARD_RADIOSSW) != 0); | |
1695 | } | |
1696 | ||
1697 | static int wan_set_radiosw(int radio_on) | |
1698 | { | |
1699 | int status; | |
1700 | ||
1701 | if (!tp_features.wan) | |
1702 | return -ENODEV; | |
1703 | ||
1704 | if (!acpi_evalf(hkey_handle, &status, "GWAN", "d")) | |
1705 | return -EIO; | |
1706 | if (radio_on) | |
1707 | status |= TP_ACPI_WANCARD_RADIOSSW; | |
1708 | else | |
1709 | status &= ~TP_ACPI_WANCARD_RADIOSSW; | |
1710 | if (!acpi_evalf(hkey_handle, NULL, "SWAN", "vd", status)) | |
1711 | return -EIO; | |
1712 | ||
1713 | return 0; | |
42adb53c JF |
1714 | } |
1715 | ||
d3a6ade4 | 1716 | /* procfs -------------------------------------------------------------- */ |
42adb53c JF |
1717 | static int wan_read(char *p) |
1718 | { | |
1719 | int len = 0; | |
d6fdd1e9 | 1720 | int status = wan_get_radiosw(); |
42adb53c | 1721 | |
d8fd94d9 | 1722 | if (!tp_features.wan) |
42adb53c | 1723 | len += sprintf(p + len, "status:\t\tnot supported\n"); |
42adb53c | 1724 | else { |
d6fdd1e9 HMH |
1725 | len += sprintf(p + len, "status:\t\t%s\n", |
1726 | (status)? "enabled" : "disabled"); | |
42adb53c JF |
1727 | len += sprintf(p + len, "commands:\tenable, disable\n"); |
1728 | } | |
1729 | ||
1730 | return len; | |
1731 | } | |
1732 | ||
1733 | static int wan_write(char *buf) | |
1734 | { | |
42adb53c | 1735 | char *cmd; |
42adb53c | 1736 | |
d8fd94d9 | 1737 | if (!tp_features.wan) |
42adb53c JF |
1738 | return -ENODEV; |
1739 | ||
1740 | while ((cmd = next_cmd(&buf))) { | |
1741 | if (strlencmp(cmd, "enable") == 0) { | |
d6fdd1e9 | 1742 | wan_set_radiosw(1); |
42adb53c | 1743 | } else if (strlencmp(cmd, "disable") == 0) { |
d6fdd1e9 | 1744 | wan_set_radiosw(0); |
42adb53c JF |
1745 | } else |
1746 | return -EINVAL; | |
42adb53c JF |
1747 | } |
1748 | ||
42adb53c JF |
1749 | return 0; |
1750 | } | |
1751 | ||
a5763f22 HMH |
1752 | static struct ibm_struct wan_driver_data = { |
1753 | .name = "wan", | |
1754 | .read = wan_read, | |
1755 | .write = wan_write, | |
d3a6ade4 | 1756 | .exit = wan_exit, |
92641177 | 1757 | .flags.experimental = 1, |
a5763f22 HMH |
1758 | }; |
1759 | ||
56b6aeb0 HMH |
1760 | /************************************************************************* |
1761 | * Video subdriver | |
1762 | */ | |
1763 | ||
9a8e1738 HMH |
1764 | static enum video_access_mode video_supported; |
1765 | static int video_orig_autosw; | |
78f81cc4 | 1766 | |
56b6aeb0 HMH |
1767 | IBM_HANDLE(vid, root, "\\_SB.PCI.AGP.VGA", /* 570 */ |
1768 | "\\_SB.PCI0.AGP0.VID0", /* 600e/x, 770x */ | |
1769 | "\\_SB.PCI0.VID0", /* 770e */ | |
1770 | "\\_SB.PCI0.VID", /* A21e, G4x, R50e, X30, X40 */ | |
1771 | "\\_SB.PCI0.AGP.VID", /* all others */ | |
1772 | ); /* R30, R31 */ | |
1773 | ||
1774 | IBM_HANDLE(vid2, root, "\\_SB.PCI0.AGPB.VID"); /* G41 */ | |
1775 | ||
a5763f22 | 1776 | static int __init video_init(struct ibm_init_struct *iibm) |
1da177e4 | 1777 | { |
78f81cc4 BD |
1778 | int ivga; |
1779 | ||
fe08bc4b HMH |
1780 | vdbg_printk(TPACPI_DBG_INIT, "initializing video subdriver\n"); |
1781 | ||
8d376cd6 HMH |
1782 | IBM_ACPIHANDLE_INIT(vid); |
1783 | IBM_ACPIHANDLE_INIT(vid2); | |
5fba344c | 1784 | |
78f81cc4 BD |
1785 | if (vid2_handle && acpi_evalf(NULL, &ivga, "\\IVGA", "d") && ivga) |
1786 | /* G41, assume IVGA doesn't change */ | |
1787 | vid_handle = vid2_handle; | |
1788 | ||
1789 | if (!vid_handle) | |
1790 | /* video switching not supported on R30, R31 */ | |
efa27145 | 1791 | video_supported = TPACPI_VIDEO_NONE; |
78f81cc4 BD |
1792 | else if (acpi_evalf(vid_handle, &video_orig_autosw, "SWIT", "qd")) |
1793 | /* 570 */ | |
efa27145 | 1794 | video_supported = TPACPI_VIDEO_570; |
78f81cc4 BD |
1795 | else if (acpi_evalf(vid_handle, &video_orig_autosw, "^VADL", "qd")) |
1796 | /* 600e/x, 770e, 770x */ | |
efa27145 | 1797 | video_supported = TPACPI_VIDEO_770; |
78f81cc4 BD |
1798 | else |
1799 | /* all others */ | |
efa27145 | 1800 | video_supported = TPACPI_VIDEO_NEW; |
1da177e4 | 1801 | |
fe08bc4b HMH |
1802 | vdbg_printk(TPACPI_DBG_INIT, "video is %s, mode %d\n", |
1803 | str_supported(video_supported != TPACPI_VIDEO_NONE), | |
1804 | video_supported); | |
1805 | ||
5fba344c | 1806 | return (video_supported != TPACPI_VIDEO_NONE)? 0 : 1; |
1da177e4 LT |
1807 | } |
1808 | ||
56b6aeb0 HMH |
1809 | static void video_exit(void) |
1810 | { | |
83f34724 HMH |
1811 | dbg_printk(TPACPI_DBG_EXIT, |
1812 | "restoring original video autoswitch mode\n"); | |
1813 | if (video_autosw_set(video_orig_autosw)) | |
1814 | printk(IBM_ERR "error while trying to restore original " | |
1815 | "video autoswitch mode\n"); | |
56b6aeb0 HMH |
1816 | } |
1817 | ||
83f34724 | 1818 | static int video_outputsw_get(void) |
1da177e4 LT |
1819 | { |
1820 | int status = 0; | |
1821 | int i; | |
1822 | ||
83f34724 HMH |
1823 | switch (video_supported) { |
1824 | case TPACPI_VIDEO_570: | |
1825 | if (!acpi_evalf(NULL, &i, "\\_SB.PHS", "dd", | |
1826 | TP_ACPI_VIDEO_570_PHSCMD)) | |
1827 | return -EIO; | |
1828 | status = i & TP_ACPI_VIDEO_570_PHSMASK; | |
1829 | break; | |
1830 | case TPACPI_VIDEO_770: | |
1831 | if (!acpi_evalf(NULL, &i, "\\VCDL", "d")) | |
1832 | return -EIO; | |
1833 | if (i) | |
1834 | status |= TP_ACPI_VIDEO_S_LCD; | |
1835 | if (!acpi_evalf(NULL, &i, "\\VCDC", "d")) | |
1836 | return -EIO; | |
1837 | if (i) | |
1838 | status |= TP_ACPI_VIDEO_S_CRT; | |
1839 | break; | |
1840 | case TPACPI_VIDEO_NEW: | |
1841 | if (!acpi_evalf(NULL, NULL, "\\VUPS", "vd", 1) || | |
1842 | !acpi_evalf(NULL, &i, "\\VCDC", "d")) | |
1843 | return -EIO; | |
1844 | if (i) | |
1845 | status |= TP_ACPI_VIDEO_S_CRT; | |
1846 | ||
1847 | if (!acpi_evalf(NULL, NULL, "\\VUPS", "vd", 0) || | |
1848 | !acpi_evalf(NULL, &i, "\\VCDL", "d")) | |
1849 | return -EIO; | |
1850 | if (i) | |
1851 | status |= TP_ACPI_VIDEO_S_LCD; | |
1852 | if (!acpi_evalf(NULL, &i, "\\VCDD", "d")) | |
1853 | return -EIO; | |
1854 | if (i) | |
1855 | status |= TP_ACPI_VIDEO_S_DVI; | |
1856 | break; | |
1857 | default: | |
1858 | return -ENOSYS; | |
78f81cc4 BD |
1859 | } |
1860 | ||
1861 | return status; | |
1862 | } | |
1da177e4 | 1863 | |
83f34724 | 1864 | static int video_outputsw_set(int status) |
78f81cc4 | 1865 | { |
83f34724 HMH |
1866 | int autosw; |
1867 | int res = 0; | |
1868 | ||
1869 | switch (video_supported) { | |
1870 | case TPACPI_VIDEO_570: | |
1871 | res = acpi_evalf(NULL, NULL, | |
1872 | "\\_SB.PHS2", "vdd", | |
1873 | TP_ACPI_VIDEO_570_PHS2CMD, | |
1874 | status | TP_ACPI_VIDEO_570_PHS2SET); | |
1875 | break; | |
1876 | case TPACPI_VIDEO_770: | |
1877 | autosw = video_autosw_get(); | |
1878 | if (autosw < 0) | |
1879 | return autosw; | |
1da177e4 | 1880 | |
83f34724 HMH |
1881 | res = video_autosw_set(1); |
1882 | if (res) | |
1883 | return res; | |
1884 | res = acpi_evalf(vid_handle, NULL, | |
1885 | "ASWT", "vdd", status * 0x100, 0); | |
1886 | if (!autosw && video_autosw_set(autosw)) { | |
1887 | printk(IBM_ERR "video auto-switch left enabled due to error\n"); | |
1888 | return -EIO; | |
1889 | } | |
1890 | break; | |
1891 | case TPACPI_VIDEO_NEW: | |
1892 | res = acpi_evalf(NULL, NULL, "\\VUPS", "vd", 0x80) && | |
1893 | acpi_evalf(NULL, NULL, "\\VSDS", "vdd", status, 1); | |
1894 | break; | |
1895 | default: | |
1896 | return -ENOSYS; | |
1897 | } | |
1da177e4 | 1898 | |
83f34724 | 1899 | return (res)? 0 : -EIO; |
1da177e4 LT |
1900 | } |
1901 | ||
83f34724 | 1902 | static int video_autosw_get(void) |
78f81cc4 | 1903 | { |
83f34724 | 1904 | int autosw = 0; |
78f81cc4 | 1905 | |
83f34724 HMH |
1906 | switch (video_supported) { |
1907 | case TPACPI_VIDEO_570: | |
1908 | if (!acpi_evalf(vid_handle, &autosw, "SWIT", "d")) | |
1909 | return -EIO; | |
1910 | break; | |
1911 | case TPACPI_VIDEO_770: | |
1912 | case TPACPI_VIDEO_NEW: | |
1913 | if (!acpi_evalf(vid_handle, &autosw, "^VDEE", "d")) | |
1914 | return -EIO; | |
1915 | break; | |
1916 | default: | |
1917 | return -ENOSYS; | |
1918 | } | |
78f81cc4 | 1919 | |
83f34724 | 1920 | return autosw & 1; |
78f81cc4 BD |
1921 | } |
1922 | ||
83f34724 | 1923 | static int video_autosw_set(int enable) |
78f81cc4 | 1924 | { |
83f34724 HMH |
1925 | if (!acpi_evalf(vid_handle, NULL, "_DOS", "vd", (enable)? 1 : 0)) |
1926 | return -EIO; | |
1927 | return 0; | |
78f81cc4 BD |
1928 | } |
1929 | ||
83f34724 | 1930 | static int video_outputsw_cycle(void) |
78f81cc4 | 1931 | { |
83f34724 HMH |
1932 | int autosw = video_autosw_get(); |
1933 | int res; | |
78f81cc4 | 1934 | |
83f34724 HMH |
1935 | if (autosw < 0) |
1936 | return autosw; | |
78f81cc4 | 1937 | |
83f34724 HMH |
1938 | switch (video_supported) { |
1939 | case TPACPI_VIDEO_570: | |
1940 | res = video_autosw_set(1); | |
1941 | if (res) | |
1942 | return res; | |
1943 | res = acpi_evalf(ec_handle, NULL, "_Q16", "v"); | |
1944 | break; | |
1945 | case TPACPI_VIDEO_770: | |
1946 | case TPACPI_VIDEO_NEW: | |
1947 | res = video_autosw_set(1); | |
1948 | if (res) | |
1949 | return res; | |
1950 | res = acpi_evalf(vid_handle, NULL, "VSWT", "v"); | |
1951 | break; | |
1952 | default: | |
1953 | return -ENOSYS; | |
1954 | } | |
1955 | if (!autosw && video_autosw_set(autosw)) { | |
1956 | printk(IBM_ERR "video auto-switch left enabled due to error\n"); | |
1957 | return -EIO; | |
78f81cc4 BD |
1958 | } |
1959 | ||
83f34724 HMH |
1960 | return (res)? 0 : -EIO; |
1961 | } | |
1962 | ||
1963 | static int video_expand_toggle(void) | |
1964 | { | |
1965 | switch (video_supported) { | |
1966 | case TPACPI_VIDEO_570: | |
1967 | return acpi_evalf(ec_handle, NULL, "_Q17", "v")? | |
1968 | 0 : -EIO; | |
1969 | case TPACPI_VIDEO_770: | |
1970 | return acpi_evalf(vid_handle, NULL, "VEXP", "v")? | |
1971 | 0 : -EIO; | |
1972 | case TPACPI_VIDEO_NEW: | |
1973 | return acpi_evalf(NULL, NULL, "\\VEXP", "v")? | |
1974 | 0 : -EIO; | |
1975 | default: | |
1976 | return -ENOSYS; | |
1977 | } | |
1978 | /* not reached */ | |
78f81cc4 BD |
1979 | } |
1980 | ||
56b6aeb0 HMH |
1981 | static int video_read(char *p) |
1982 | { | |
83f34724 | 1983 | int status, autosw; |
56b6aeb0 HMH |
1984 | int len = 0; |
1985 | ||
83f34724 | 1986 | if (video_supported == TPACPI_VIDEO_NONE) { |
56b6aeb0 HMH |
1987 | len += sprintf(p + len, "status:\t\tnot supported\n"); |
1988 | return len; | |
1989 | } | |
1990 | ||
83f34724 HMH |
1991 | status = video_outputsw_get(); |
1992 | if (status < 0) | |
1993 | return status; | |
1994 | ||
1995 | autosw = video_autosw_get(); | |
1996 | if (autosw < 0) | |
1997 | return autosw; | |
1998 | ||
56b6aeb0 HMH |
1999 | len += sprintf(p + len, "status:\t\tsupported\n"); |
2000 | len += sprintf(p + len, "lcd:\t\t%s\n", enabled(status, 0)); | |
2001 | len += sprintf(p + len, "crt:\t\t%s\n", enabled(status, 1)); | |
efa27145 | 2002 | if (video_supported == TPACPI_VIDEO_NEW) |
56b6aeb0 HMH |
2003 | len += sprintf(p + len, "dvi:\t\t%s\n", enabled(status, 3)); |
2004 | len += sprintf(p + len, "auto:\t\t%s\n", enabled(autosw, 0)); | |
2005 | len += sprintf(p + len, "commands:\tlcd_enable, lcd_disable\n"); | |
2006 | len += sprintf(p + len, "commands:\tcrt_enable, crt_disable\n"); | |
efa27145 | 2007 | if (video_supported == TPACPI_VIDEO_NEW) |
56b6aeb0 HMH |
2008 | len += sprintf(p + len, "commands:\tdvi_enable, dvi_disable\n"); |
2009 | len += sprintf(p + len, "commands:\tauto_enable, auto_disable\n"); | |
2010 | len += sprintf(p + len, "commands:\tvideo_switch, expand_toggle\n"); | |
2011 | ||
2012 | return len; | |
2013 | } | |
2014 | ||
78f81cc4 | 2015 | static int video_write(char *buf) |
1da177e4 LT |
2016 | { |
2017 | char *cmd; | |
2018 | int enable, disable, status; | |
83f34724 | 2019 | int res; |
1da177e4 | 2020 | |
83f34724 | 2021 | if (video_supported == TPACPI_VIDEO_NONE) |
78f81cc4 BD |
2022 | return -ENODEV; |
2023 | ||
83f34724 HMH |
2024 | enable = 0; |
2025 | disable = 0; | |
1da177e4 LT |
2026 | |
2027 | while ((cmd = next_cmd(&buf))) { | |
2028 | if (strlencmp(cmd, "lcd_enable") == 0) { | |
83f34724 | 2029 | enable |= TP_ACPI_VIDEO_S_LCD; |
1da177e4 | 2030 | } else if (strlencmp(cmd, "lcd_disable") == 0) { |
83f34724 | 2031 | disable |= TP_ACPI_VIDEO_S_LCD; |
1da177e4 | 2032 | } else if (strlencmp(cmd, "crt_enable") == 0) { |
83f34724 | 2033 | enable |= TP_ACPI_VIDEO_S_CRT; |
1da177e4 | 2034 | } else if (strlencmp(cmd, "crt_disable") == 0) { |
83f34724 | 2035 | disable |= TP_ACPI_VIDEO_S_CRT; |
efa27145 | 2036 | } else if (video_supported == TPACPI_VIDEO_NEW && |
78f81cc4 | 2037 | strlencmp(cmd, "dvi_enable") == 0) { |
83f34724 | 2038 | enable |= TP_ACPI_VIDEO_S_DVI; |
efa27145 | 2039 | } else if (video_supported == TPACPI_VIDEO_NEW && |
78f81cc4 | 2040 | strlencmp(cmd, "dvi_disable") == 0) { |
83f34724 | 2041 | disable |= TP_ACPI_VIDEO_S_DVI; |
1da177e4 | 2042 | } else if (strlencmp(cmd, "auto_enable") == 0) { |
83f34724 HMH |
2043 | res = video_autosw_set(1); |
2044 | if (res) | |
2045 | return res; | |
1da177e4 | 2046 | } else if (strlencmp(cmd, "auto_disable") == 0) { |
83f34724 HMH |
2047 | res = video_autosw_set(0); |
2048 | if (res) | |
2049 | return res; | |
1da177e4 | 2050 | } else if (strlencmp(cmd, "video_switch") == 0) { |
83f34724 HMH |
2051 | res = video_outputsw_cycle(); |
2052 | if (res) | |
2053 | return res; | |
1da177e4 | 2054 | } else if (strlencmp(cmd, "expand_toggle") == 0) { |
83f34724 HMH |
2055 | res = video_expand_toggle(); |
2056 | if (res) | |
2057 | return res; | |
1da177e4 LT |
2058 | } else |
2059 | return -EINVAL; | |
2060 | } | |
2061 | ||
2062 | if (enable || disable) { | |
83f34724 HMH |
2063 | status = video_outputsw_get(); |
2064 | if (status < 0) | |
2065 | return status; | |
2066 | res = video_outputsw_set((status & ~disable) | enable); | |
2067 | if (res) | |
2068 | return res; | |
1da177e4 LT |
2069 | } |
2070 | ||
2071 | return 0; | |
2072 | } | |
2073 | ||
a5763f22 HMH |
2074 | static struct ibm_struct video_driver_data = { |
2075 | .name = "video", | |
2076 | .read = video_read, | |
2077 | .write = video_write, | |
2078 | .exit = video_exit, | |
2079 | }; | |
2080 | ||
56b6aeb0 HMH |
2081 | /************************************************************************* |
2082 | * Light (thinklight) subdriver | |
2083 | */ | |
1da177e4 | 2084 | |
56b6aeb0 HMH |
2085 | IBM_HANDLE(lght, root, "\\LGHT"); /* A21e, A2xm/p, T20-22, X20-21 */ |
2086 | IBM_HANDLE(ledb, ec, "LEDB"); /* G4x */ | |
2087 | ||
a5763f22 | 2088 | static int __init light_init(struct ibm_init_struct *iibm) |
1da177e4 | 2089 | { |
fe08bc4b HMH |
2090 | vdbg_printk(TPACPI_DBG_INIT, "initializing light subdriver\n"); |
2091 | ||
8d376cd6 HMH |
2092 | IBM_ACPIHANDLE_INIT(ledb); |
2093 | IBM_ACPIHANDLE_INIT(lght); | |
2094 | IBM_ACPIHANDLE_INIT(cmos); | |
5fba344c | 2095 | |
78f81cc4 | 2096 | /* light not supported on 570, 600e/x, 770e, 770x, G4x, R30, R31 */ |
d8fd94d9 | 2097 | tp_features.light = (cmos_handle || lght_handle) && !ledb_handle; |
78f81cc4 | 2098 | |
d8fd94d9 | 2099 | if (tp_features.light) |
78f81cc4 BD |
2100 | /* light status not supported on |
2101 | 570, 600e/x, 770e, 770x, G4x, R30, R31, R32, X20 */ | |
d8fd94d9 HMH |
2102 | tp_features.light_status = |
2103 | acpi_evalf(ec_handle, NULL, "KBLT", "qv"); | |
1da177e4 | 2104 | |
fe08bc4b | 2105 | vdbg_printk(TPACPI_DBG_INIT, "light is %s\n", |
d8fd94d9 | 2106 | str_supported(tp_features.light)); |
fe08bc4b | 2107 | |
d8fd94d9 | 2108 | return (tp_features.light)? 0 : 1; |
1da177e4 LT |
2109 | } |
2110 | ||
78f81cc4 | 2111 | static int light_read(char *p) |
1da177e4 LT |
2112 | { |
2113 | int len = 0; | |
2114 | int status = 0; | |
2115 | ||
d8fd94d9 | 2116 | if (!tp_features.light) { |
78f81cc4 | 2117 | len += sprintf(p + len, "status:\t\tnot supported\n"); |
d8fd94d9 | 2118 | } else if (!tp_features.light_status) { |
78f81cc4 BD |
2119 | len += sprintf(p + len, "status:\t\tunknown\n"); |
2120 | len += sprintf(p + len, "commands:\ton, off\n"); | |
2121 | } else { | |
1da177e4 LT |
2122 | if (!acpi_evalf(ec_handle, &status, "KBLT", "d")) |
2123 | return -EIO; | |
2124 | len += sprintf(p + len, "status:\t\t%s\n", onoff(status, 0)); | |
78f81cc4 BD |
2125 | len += sprintf(p + len, "commands:\ton, off\n"); |
2126 | } | |
1da177e4 LT |
2127 | |
2128 | return len; | |
2129 | } | |
2130 | ||
78f81cc4 | 2131 | static int light_write(char *buf) |
1da177e4 LT |
2132 | { |
2133 | int cmos_cmd, lght_cmd; | |
2134 | char *cmd; | |
2135 | int success; | |
78f81cc4 | 2136 | |
d8fd94d9 | 2137 | if (!tp_features.light) |
78f81cc4 BD |
2138 | return -ENODEV; |
2139 | ||
1da177e4 LT |
2140 | while ((cmd = next_cmd(&buf))) { |
2141 | if (strlencmp(cmd, "on") == 0) { | |
2142 | cmos_cmd = 0x0c; | |
2143 | lght_cmd = 1; | |
2144 | } else if (strlencmp(cmd, "off") == 0) { | |
2145 | cmos_cmd = 0x0d; | |
2146 | lght_cmd = 0; | |
2147 | } else | |
2148 | return -EINVAL; | |
78f81cc4 | 2149 | |
1da177e4 | 2150 | success = cmos_handle ? |
78f81cc4 BD |
2151 | acpi_evalf(cmos_handle, NULL, NULL, "vd", cmos_cmd) : |
2152 | acpi_evalf(lght_handle, NULL, NULL, "vd", lght_cmd); | |
1da177e4 LT |
2153 | if (!success) |
2154 | return -EIO; | |
2155 | } | |
2156 | ||
2157 | return 0; | |
2158 | } | |
2159 | ||
a5763f22 HMH |
2160 | static struct ibm_struct light_driver_data = { |
2161 | .name = "light", | |
2162 | .read = light_read, | |
2163 | .write = light_write, | |
2164 | }; | |
2165 | ||
56b6aeb0 HMH |
2166 | /************************************************************************* |
2167 | * Dock subdriver | |
2168 | */ | |
1da177e4 | 2169 | |
85998248 | 2170 | #ifdef CONFIG_THINKPAD_ACPI_DOCK |
56b6aeb0 HMH |
2171 | |
2172 | IBM_HANDLE(dock, root, "\\_SB.GDCK", /* X30, X31, X40 */ | |
2173 | "\\_SB.PCI0.DOCK", /* 600e/x,770e,770x,A2xm/p,T20-22,X20-21 */ | |
2174 | "\\_SB.PCI0.PCI1.DOCK", /* all others */ | |
2175 | "\\_SB.PCI.ISA.SLCE", /* 570 */ | |
2176 | ); /* A21e,G4x,R30,R31,R32,R40,R40e,R50e */ | |
2177 | ||
5fba344c HMH |
2178 | /* don't list other alternatives as we install a notify handler on the 570 */ |
2179 | IBM_HANDLE(pci, root, "\\_SB.PCI"); /* 570 */ | |
2180 | ||
1ba90e3a TR |
2181 | static const struct acpi_device_id ibm_pci_device_ids[] = { |
2182 | {PCI_ROOT_HID_STRING, 0}, | |
2183 | {"", 0}, | |
2184 | }; | |
2185 | ||
d94a7f16 HMH |
2186 | static struct tp_acpi_drv_struct ibm_dock_acpidriver[2] = { |
2187 | { | |
2188 | .notify = dock_notify, | |
2189 | .handle = &dock_handle, | |
2190 | .type = ACPI_SYSTEM_NOTIFY, | |
2191 | }, | |
2192 | { | |
996fba08 HMH |
2193 | /* THIS ONE MUST NEVER BE USED FOR DRIVER AUTOLOADING. |
2194 | * We just use it to get notifications of dock hotplug | |
2195 | * in very old thinkpads */ | |
1ba90e3a | 2196 | .hid = ibm_pci_device_ids, |
d94a7f16 HMH |
2197 | .notify = dock_notify, |
2198 | .handle = &pci_handle, | |
2199 | .type = ACPI_SYSTEM_NOTIFY, | |
2200 | }, | |
2201 | }; | |
2202 | ||
2203 | static struct ibm_struct dock_driver_data[2] = { | |
2204 | { | |
2205 | .name = "dock", | |
2206 | .read = dock_read, | |
2207 | .write = dock_write, | |
2208 | .acpi = &ibm_dock_acpidriver[0], | |
2209 | }, | |
2210 | { | |
2211 | .name = "dock", | |
2212 | .acpi = &ibm_dock_acpidriver[1], | |
2213 | }, | |
2214 | }; | |
2215 | ||
1da177e4 LT |
2216 | #define dock_docked() (_sta(dock_handle) & 1) |
2217 | ||
a5763f22 | 2218 | static int __init dock_init(struct ibm_init_struct *iibm) |
5fba344c | 2219 | { |
fe08bc4b HMH |
2220 | vdbg_printk(TPACPI_DBG_INIT, "initializing dock subdriver\n"); |
2221 | ||
8d376cd6 | 2222 | IBM_ACPIHANDLE_INIT(dock); |
5fba344c | 2223 | |
fe08bc4b HMH |
2224 | vdbg_printk(TPACPI_DBG_INIT, "dock is %s\n", |
2225 | str_supported(dock_handle != NULL)); | |
2226 | ||
5fba344c HMH |
2227 | return (dock_handle)? 0 : 1; |
2228 | } | |
2229 | ||
d94a7f16 HMH |
2230 | static int __init dock_init2(struct ibm_init_struct *iibm) |
2231 | { | |
2232 | int dock2_needed; | |
2233 | ||
2234 | vdbg_printk(TPACPI_DBG_INIT, "initializing dock subdriver part 2\n"); | |
2235 | ||
2236 | if (dock_driver_data[0].flags.acpi_driver_registered && | |
2237 | dock_driver_data[0].flags.acpi_notify_installed) { | |
2238 | IBM_ACPIHANDLE_INIT(pci); | |
2239 | dock2_needed = (pci_handle != NULL); | |
2240 | vdbg_printk(TPACPI_DBG_INIT, | |
2241 | "dock PCI handler for the TP 570 is %s\n", | |
2242 | str_supported(dock2_needed)); | |
2243 | } else { | |
2244 | vdbg_printk(TPACPI_DBG_INIT, | |
2245 | "dock subdriver part 2 not required\n"); | |
2246 | dock2_needed = 0; | |
2247 | } | |
2248 | ||
2249 | return (dock2_needed)? 0 : 1; | |
2250 | } | |
2251 | ||
56b6aeb0 HMH |
2252 | static void dock_notify(struct ibm_struct *ibm, u32 event) |
2253 | { | |
2254 | int docked = dock_docked(); | |
1ba90e3a TR |
2255 | int pci = ibm->acpi->hid && ibm->acpi->device && |
2256 | acpi_match_device_ids(ibm->acpi->device, ibm_pci_device_ids); | |
962ce8ca | 2257 | int data; |
56b6aeb0 HMH |
2258 | |
2259 | if (event == 1 && !pci) /* 570 */ | |
962ce8ca | 2260 | data = 1; /* button */ |
56b6aeb0 | 2261 | else if (event == 1 && pci) /* 570 */ |
962ce8ca | 2262 | data = 3; /* dock */ |
56b6aeb0 | 2263 | else if (event == 3 && docked) |
962ce8ca | 2264 | data = 1; /* button */ |
56b6aeb0 | 2265 | else if (event == 3 && !docked) |
962ce8ca | 2266 | data = 2; /* undock */ |
56b6aeb0 | 2267 | else if (event == 0 && docked) |
962ce8ca | 2268 | data = 3; /* dock */ |
56b6aeb0 HMH |
2269 | else { |
2270 | printk(IBM_ERR "unknown dock event %d, status %d\n", | |
2271 | event, _sta(dock_handle)); | |
962ce8ca | 2272 | data = 0; /* unknown */ |
56b6aeb0 | 2273 | } |
14e04fb3 | 2274 | acpi_bus_generate_proc_event(ibm->acpi->device, event, data); |
962ce8ca ZR |
2275 | acpi_bus_generate_netlink_event(ibm->acpi->device->pnp.device_class, |
2276 | ibm->acpi->device->dev.bus_id, | |
2277 | event, data); | |
56b6aeb0 HMH |
2278 | } |
2279 | ||
78f81cc4 | 2280 | static int dock_read(char *p) |
1da177e4 LT |
2281 | { |
2282 | int len = 0; | |
2283 | int docked = dock_docked(); | |
2284 | ||
2285 | if (!dock_handle) | |
2286 | len += sprintf(p + len, "status:\t\tnot supported\n"); | |
2287 | else if (!docked) | |
2288 | len += sprintf(p + len, "status:\t\tundocked\n"); | |
2289 | else { | |
2290 | len += sprintf(p + len, "status:\t\tdocked\n"); | |
2291 | len += sprintf(p + len, "commands:\tdock, undock\n"); | |
2292 | } | |
2293 | ||
2294 | return len; | |
2295 | } | |
2296 | ||
78f81cc4 | 2297 | static int dock_write(char *buf) |
1da177e4 LT |
2298 | { |
2299 | char *cmd; | |
2300 | ||
2301 | if (!dock_docked()) | |
78f81cc4 | 2302 | return -ENODEV; |
1da177e4 LT |
2303 | |
2304 | while ((cmd = next_cmd(&buf))) { | |
2305 | if (strlencmp(cmd, "undock") == 0) { | |
78f81cc4 BD |
2306 | if (!acpi_evalf(dock_handle, NULL, "_DCK", "vd", 0) || |
2307 | !acpi_evalf(dock_handle, NULL, "_EJ0", "vd", 1)) | |
56b6aeb0 HMH |
2308 | return -EIO; |
2309 | } else if (strlencmp(cmd, "dock") == 0) { | |
2310 | if (!acpi_evalf(dock_handle, NULL, "_DCK", "vd", 1)) | |
2311 | return -EIO; | |
2312 | } else | |
2313 | return -EINVAL; | |
1da177e4 | 2314 | } |
56b6aeb0 HMH |
2315 | |
2316 | return 0; | |
1da177e4 | 2317 | } |
56b6aeb0 | 2318 | |
85998248 | 2319 | #endif /* CONFIG_THINKPAD_ACPI_DOCK */ |
56b6aeb0 HMH |
2320 | |
2321 | /************************************************************************* | |
2322 | * Bay subdriver | |
2323 | */ | |
1da177e4 | 2324 | |
85998248 | 2325 | #ifdef CONFIG_THINKPAD_ACPI_BAY |
56b6aeb0 HMH |
2326 | IBM_HANDLE(bay, root, "\\_SB.PCI.IDE.SECN.MAST", /* 570 */ |
2327 | "\\_SB.PCI0.IDE0.IDES.IDSM", /* 600e/x, 770e, 770x */ | |
2328 | "\\_SB.PCI0.SATA.SCND.MSTR", /* T60, X60, Z60 */ | |
2329 | "\\_SB.PCI0.IDE0.SCND.MSTR", /* all others */ | |
2330 | ); /* A21e, R30, R31 */ | |
2331 | IBM_HANDLE(bay_ej, bay, "_EJ3", /* 600e/x, A2xm/p, A3x */ | |
2332 | "_EJ0", /* all others */ | |
2333 | ); /* 570,A21e,G4x,R30,R31,R32,R40e,R50e */ | |
2334 | IBM_HANDLE(bay2, root, "\\_SB.PCI0.IDE0.PRIM.SLAV", /* A3x, R32 */ | |
2335 | "\\_SB.PCI0.IDE0.IDEP.IDPS", /* 600e/x, 770e, 770x */ | |
2336 | ); /* all others */ | |
2337 | IBM_HANDLE(bay2_ej, bay2, "_EJ3", /* 600e/x, 770e, A3x */ | |
2338 | "_EJ0", /* 770x */ | |
2339 | ); /* all others */ | |
2340 | ||
a5763f22 | 2341 | static int __init bay_init(struct ibm_init_struct *iibm) |
1da177e4 | 2342 | { |
fe08bc4b HMH |
2343 | vdbg_printk(TPACPI_DBG_INIT, "initializing bay subdriver\n"); |
2344 | ||
8d376cd6 | 2345 | IBM_ACPIHANDLE_INIT(bay); |
5fba344c | 2346 | if (bay_handle) |
8d376cd6 HMH |
2347 | IBM_ACPIHANDLE_INIT(bay_ej); |
2348 | IBM_ACPIHANDLE_INIT(bay2); | |
5fba344c | 2349 | if (bay2_handle) |
8d376cd6 | 2350 | IBM_ACPIHANDLE_INIT(bay2_ej); |
5fba344c | 2351 | |
d8fd94d9 HMH |
2352 | tp_features.bay_status = bay_handle && |
2353 | acpi_evalf(bay_handle, NULL, "_STA", "qv"); | |
2354 | tp_features.bay_status2 = bay2_handle && | |
2355 | acpi_evalf(bay2_handle, NULL, "_STA", "qv"); | |
78f81cc4 | 2356 | |
d8fd94d9 HMH |
2357 | tp_features.bay_eject = bay_handle && bay_ej_handle && |
2358 | (strlencmp(bay_ej_path, "_EJ0") == 0 || experimental); | |
2359 | tp_features.bay_eject2 = bay2_handle && bay2_ej_handle && | |
2360 | (strlencmp(bay2_ej_path, "_EJ0") == 0 || experimental); | |
1da177e4 | 2361 | |
fe08bc4b HMH |
2362 | vdbg_printk(TPACPI_DBG_INIT, |
2363 | "bay 1: status %s, eject %s; bay 2: status %s, eject %s\n", | |
d8fd94d9 HMH |
2364 | str_supported(tp_features.bay_status), |
2365 | str_supported(tp_features.bay_eject), | |
2366 | str_supported(tp_features.bay_status2), | |
2367 | str_supported(tp_features.bay_eject2)); | |
fe08bc4b | 2368 | |
d8fd94d9 HMH |
2369 | return (tp_features.bay_status || tp_features.bay_eject || |
2370 | tp_features.bay_status2 || tp_features.bay_eject2)? 0 : 1; | |
1da177e4 LT |
2371 | } |
2372 | ||
56b6aeb0 HMH |
2373 | static void bay_notify(struct ibm_struct *ibm, u32 event) |
2374 | { | |
14e04fb3 | 2375 | acpi_bus_generate_proc_event(ibm->acpi->device, event, 0); |
962ce8ca ZR |
2376 | acpi_bus_generate_netlink_event(ibm->acpi->device->pnp.device_class, |
2377 | ibm->acpi->device->dev.bus_id, | |
2378 | event, 0); | |
56b6aeb0 HMH |
2379 | } |
2380 | ||
78f81cc4 BD |
2381 | #define bay_occupied(b) (_sta(b##_handle) & 1) |
2382 | ||
2383 | static int bay_read(char *p) | |
1da177e4 LT |
2384 | { |
2385 | int len = 0; | |
78f81cc4 BD |
2386 | int occupied = bay_occupied(bay); |
2387 | int occupied2 = bay_occupied(bay2); | |
2388 | int eject, eject2; | |
2389 | ||
d8fd94d9 HMH |
2390 | len += sprintf(p + len, "status:\t\t%s\n", |
2391 | tp_features.bay_status ? | |
2392 | (occupied ? "occupied" : "unoccupied") : | |
2393 | "not supported"); | |
2394 | if (tp_features.bay_status2) | |
78f81cc4 BD |
2395 | len += sprintf(p + len, "status2:\t%s\n", occupied2 ? |
2396 | "occupied" : "unoccupied"); | |
2397 | ||
d8fd94d9 HMH |
2398 | eject = tp_features.bay_eject && occupied; |
2399 | eject2 = tp_features.bay_eject2 && occupied2; | |
78f81cc4 BD |
2400 | |
2401 | if (eject && eject2) | |
2402 | len += sprintf(p + len, "commands:\teject, eject2\n"); | |
2403 | else if (eject) | |
1da177e4 | 2404 | len += sprintf(p + len, "commands:\teject\n"); |
78f81cc4 BD |
2405 | else if (eject2) |
2406 | len += sprintf(p + len, "commands:\teject2\n"); | |
1da177e4 LT |
2407 | |
2408 | return len; | |
2409 | } | |
2410 | ||
78f81cc4 | 2411 | static int bay_write(char *buf) |
1da177e4 LT |
2412 | { |
2413 | char *cmd; | |
2414 | ||
d8fd94d9 | 2415 | if (!tp_features.bay_eject && !tp_features.bay_eject2) |
78f81cc4 BD |
2416 | return -ENODEV; |
2417 | ||
1da177e4 | 2418 | while ((cmd = next_cmd(&buf))) { |
d8fd94d9 | 2419 | if (tp_features.bay_eject && strlencmp(cmd, "eject") == 0) { |
78f81cc4 BD |
2420 | if (!acpi_evalf(bay_ej_handle, NULL, NULL, "vd", 1)) |
2421 | return -EIO; | |
d8fd94d9 | 2422 | } else if (tp_features.bay_eject2 && |
78f81cc4 BD |
2423 | strlencmp(cmd, "eject2") == 0) { |
2424 | if (!acpi_evalf(bay2_ej_handle, NULL, NULL, "vd", 1)) | |
1da177e4 LT |
2425 | return -EIO; |
2426 | } else | |
2427 | return -EINVAL; | |
2428 | } | |
2429 | ||
2430 | return 0; | |
78f81cc4 | 2431 | } |
a5763f22 | 2432 | |
8d376cd6 HMH |
2433 | static struct tp_acpi_drv_struct ibm_bay_acpidriver = { |
2434 | .notify = bay_notify, | |
2435 | .handle = &bay_handle, | |
2436 | .type = ACPI_SYSTEM_NOTIFY, | |
2437 | }; | |
2438 | ||
a5763f22 HMH |
2439 | static struct ibm_struct bay_driver_data = { |
2440 | .name = "bay", | |
2441 | .read = bay_read, | |
2442 | .write = bay_write, | |
8d376cd6 | 2443 | .acpi = &ibm_bay_acpidriver, |
a5763f22 HMH |
2444 | }; |
2445 | ||
85998248 | 2446 | #endif /* CONFIG_THINKPAD_ACPI_BAY */ |
1da177e4 | 2447 | |
56b6aeb0 HMH |
2448 | /************************************************************************* |
2449 | * CMOS subdriver | |
2450 | */ | |
2451 | ||
b616004c HMH |
2452 | /* sysfs cmos_command -------------------------------------------------- */ |
2453 | static ssize_t cmos_command_store(struct device *dev, | |
2454 | struct device_attribute *attr, | |
2455 | const char *buf, size_t count) | |
2456 | { | |
2457 | unsigned long cmos_cmd; | |
2458 | int res; | |
2459 | ||
2460 | if (parse_strtoul(buf, 21, &cmos_cmd)) | |
2461 | return -EINVAL; | |
2462 | ||
2463 | res = issue_thinkpad_cmos_command(cmos_cmd); | |
2464 | return (res)? res : count; | |
2465 | } | |
2466 | ||
2467 | static struct device_attribute dev_attr_cmos_command = | |
2468 | __ATTR(cmos_command, S_IWUSR, NULL, cmos_command_store); | |
2469 | ||
2470 | /* --------------------------------------------------------------------- */ | |
2471 | ||
a5763f22 | 2472 | static int __init cmos_init(struct ibm_init_struct *iibm) |
5fba344c | 2473 | { |
b616004c HMH |
2474 | int res; |
2475 | ||
fe08bc4b HMH |
2476 | vdbg_printk(TPACPI_DBG_INIT, |
2477 | "initializing cmos commands subdriver\n"); | |
2478 | ||
8d376cd6 | 2479 | IBM_ACPIHANDLE_INIT(cmos); |
5fba344c | 2480 | |
fe08bc4b HMH |
2481 | vdbg_printk(TPACPI_DBG_INIT, "cmos commands are %s\n", |
2482 | str_supported(cmos_handle != NULL)); | |
b616004c HMH |
2483 | |
2484 | res = device_create_file(&tpacpi_pdev->dev, &dev_attr_cmos_command); | |
2485 | if (res) | |
2486 | return res; | |
2487 | ||
5fba344c HMH |
2488 | return (cmos_handle)? 0 : 1; |
2489 | } | |
2490 | ||
b616004c HMH |
2491 | static void cmos_exit(void) |
2492 | { | |
2493 | device_remove_file(&tpacpi_pdev->dev, &dev_attr_cmos_command); | |
2494 | } | |
2495 | ||
78f81cc4 | 2496 | static int cmos_read(char *p) |
1da177e4 LT |
2497 | { |
2498 | int len = 0; | |
2499 | ||
78f81cc4 BD |
2500 | /* cmos not supported on 570, 600e/x, 770e, 770x, A21e, A2xm/p, |
2501 | R30, R31, T20-22, X20-21 */ | |
1da177e4 LT |
2502 | if (!cmos_handle) |
2503 | len += sprintf(p + len, "status:\t\tnot supported\n"); | |
2504 | else { | |
2505 | len += sprintf(p + len, "status:\t\tsupported\n"); | |
78f81cc4 | 2506 | len += sprintf(p + len, "commands:\t<cmd> (<cmd> is 0-21)\n"); |
1da177e4 LT |
2507 | } |
2508 | ||
2509 | return len; | |
2510 | } | |
2511 | ||
78f81cc4 | 2512 | static int cmos_write(char *buf) |
1da177e4 LT |
2513 | { |
2514 | char *cmd; | |
c9bea99c | 2515 | int cmos_cmd, res; |
1da177e4 LT |
2516 | |
2517 | while ((cmd = next_cmd(&buf))) { | |
78f81cc4 BD |
2518 | if (sscanf(cmd, "%u", &cmos_cmd) == 1 && |
2519 | cmos_cmd >= 0 && cmos_cmd <= 21) { | |
1da177e4 LT |
2520 | /* cmos_cmd set */ |
2521 | } else | |
2522 | return -EINVAL; | |
2523 | ||
c9bea99c HMH |
2524 | res = issue_thinkpad_cmos_command(cmos_cmd); |
2525 | if (res) | |
2526 | return res; | |
1da177e4 LT |
2527 | } |
2528 | ||
2529 | return 0; | |
78f81cc4 BD |
2530 | } |
2531 | ||
a5763f22 HMH |
2532 | static struct ibm_struct cmos_driver_data = { |
2533 | .name = "cmos", | |
2534 | .read = cmos_read, | |
2535 | .write = cmos_write, | |
b616004c | 2536 | .exit = cmos_exit, |
a5763f22 | 2537 | }; |
56b6aeb0 HMH |
2538 | |
2539 | /************************************************************************* | |
2540 | * LED subdriver | |
2541 | */ | |
2542 | ||
9a8e1738 | 2543 | static enum led_access_mode led_supported; |
78f81cc4 | 2544 | |
56b6aeb0 HMH |
2545 | IBM_HANDLE(led, ec, "SLED", /* 570 */ |
2546 | "SYSL", /* 600e/x, 770e, 770x, A21e, A2xm/p, T20-22, X20-21 */ | |
2547 | "LED", /* all others */ | |
2548 | ); /* R30, R31 */ | |
2549 | ||
a5763f22 | 2550 | static int __init led_init(struct ibm_init_struct *iibm) |
78f81cc4 | 2551 | { |
fe08bc4b HMH |
2552 | vdbg_printk(TPACPI_DBG_INIT, "initializing LED subdriver\n"); |
2553 | ||
8d376cd6 | 2554 | IBM_ACPIHANDLE_INIT(led); |
5fba344c | 2555 | |
78f81cc4 BD |
2556 | if (!led_handle) |
2557 | /* led not supported on R30, R31 */ | |
efa27145 | 2558 | led_supported = TPACPI_LED_NONE; |
78f81cc4 BD |
2559 | else if (strlencmp(led_path, "SLED") == 0) |
2560 | /* 570 */ | |
efa27145 | 2561 | led_supported = TPACPI_LED_570; |
78f81cc4 BD |
2562 | else if (strlencmp(led_path, "SYSL") == 0) |
2563 | /* 600e/x, 770e, 770x, A21e, A2xm/p, T20-22, X20-21 */ | |
efa27145 | 2564 | led_supported = TPACPI_LED_OLD; |
78f81cc4 BD |
2565 | else |
2566 | /* all others */ | |
efa27145 | 2567 | led_supported = TPACPI_LED_NEW; |
78f81cc4 | 2568 | |
fe08bc4b HMH |
2569 | vdbg_printk(TPACPI_DBG_INIT, "LED commands are %s, mode %d\n", |
2570 | str_supported(led_supported), led_supported); | |
2571 | ||
5fba344c | 2572 | return (led_supported != TPACPI_LED_NONE)? 0 : 1; |
78f81cc4 BD |
2573 | } |
2574 | ||
2575 | #define led_status(s) ((s) == 0 ? "off" : ((s) == 1 ? "on" : "blinking")) | |
2576 | ||
2577 | static int led_read(char *p) | |
1da177e4 LT |
2578 | { |
2579 | int len = 0; | |
2580 | ||
78f81cc4 BD |
2581 | if (!led_supported) { |
2582 | len += sprintf(p + len, "status:\t\tnot supported\n"); | |
2583 | return len; | |
2584 | } | |
2585 | len += sprintf(p + len, "status:\t\tsupported\n"); | |
2586 | ||
efa27145 | 2587 | if (led_supported == TPACPI_LED_570) { |
78f81cc4 BD |
2588 | /* 570 */ |
2589 | int i, status; | |
2590 | for (i = 0; i < 8; i++) { | |
2591 | if (!acpi_evalf(ec_handle, | |
2592 | &status, "GLED", "dd", 1 << i)) | |
2593 | return -EIO; | |
2594 | len += sprintf(p + len, "%d:\t\t%s\n", | |
2595 | i, led_status(status)); | |
2596 | } | |
2597 | } | |
2598 | ||
1da177e4 | 2599 | len += sprintf(p + len, "commands:\t" |
78f81cc4 | 2600 | "<led> on, <led> off, <led> blink (<led> is 0-7)\n"); |
1da177e4 LT |
2601 | |
2602 | return len; | |
2603 | } | |
2604 | ||
78f81cc4 BD |
2605 | /* off, on, blink */ |
2606 | static const int led_sled_arg1[] = { 0, 1, 3 }; | |
2607 | static const int led_exp_hlbl[] = { 0, 0, 1 }; /* led# * */ | |
2608 | static const int led_exp_hlcl[] = { 0, 1, 1 }; /* led# * */ | |
2609 | static const int led_led_arg1[] = { 0, 0x80, 0xc0 }; | |
2610 | ||
78f81cc4 | 2611 | static int led_write(char *buf) |
1da177e4 LT |
2612 | { |
2613 | char *cmd; | |
78f81cc4 BD |
2614 | int led, ind, ret; |
2615 | ||
2616 | if (!led_supported) | |
2617 | return -ENODEV; | |
1da177e4 LT |
2618 | |
2619 | while ((cmd = next_cmd(&buf))) { | |
78f81cc4 | 2620 | if (sscanf(cmd, "%d", &led) != 1 || led < 0 || led > 7) |
1da177e4 LT |
2621 | return -EINVAL; |
2622 | ||
78f81cc4 BD |
2623 | if (strstr(cmd, "off")) { |
2624 | ind = 0; | |
1da177e4 | 2625 | } else if (strstr(cmd, "on")) { |
78f81cc4 BD |
2626 | ind = 1; |
2627 | } else if (strstr(cmd, "blink")) { | |
2628 | ind = 2; | |
1da177e4 LT |
2629 | } else |
2630 | return -EINVAL; | |
78f81cc4 | 2631 | |
efa27145 | 2632 | if (led_supported == TPACPI_LED_570) { |
78f81cc4 BD |
2633 | /* 570 */ |
2634 | led = 1 << led; | |
1da177e4 | 2635 | if (!acpi_evalf(led_handle, NULL, NULL, "vdd", |
78f81cc4 | 2636 | led, led_sled_arg1[ind])) |
1da177e4 | 2637 | return -EIO; |
efa27145 | 2638 | } else if (led_supported == TPACPI_LED_OLD) { |
78f81cc4 BD |
2639 | /* 600e/x, 770e, 770x, A21e, A2xm/p, T20-22, X20 */ |
2640 | led = 1 << led; | |
efa27145 | 2641 | ret = ec_write(TPACPI_LED_EC_HLMS, led); |
78f81cc4 BD |
2642 | if (ret >= 0) |
2643 | ret = | |
efa27145 | 2644 | ec_write(TPACPI_LED_EC_HLBL, |
e062e034 | 2645 | led * led_exp_hlbl[ind]); |
78f81cc4 BD |
2646 | if (ret >= 0) |
2647 | ret = | |
efa27145 | 2648 | ec_write(TPACPI_LED_EC_HLCL, |
e062e034 | 2649 | led * led_exp_hlcl[ind]); |
78f81cc4 BD |
2650 | if (ret < 0) |
2651 | return ret; | |
2652 | } else { | |
2653 | /* all others */ | |
2654 | if (!acpi_evalf(led_handle, NULL, NULL, "vdd", | |
2655 | led, led_led_arg1[ind])) | |
1da177e4 | 2656 | return -EIO; |
78f81cc4 BD |
2657 | } |
2658 | } | |
2659 | ||
2660 | return 0; | |
2661 | } | |
2662 | ||
a5763f22 HMH |
2663 | static struct ibm_struct led_driver_data = { |
2664 | .name = "led", | |
2665 | .read = led_read, | |
2666 | .write = led_write, | |
2667 | }; | |
2668 | ||
56b6aeb0 HMH |
2669 | /************************************************************************* |
2670 | * Beep subdriver | |
2671 | */ | |
2672 | ||
2673 | IBM_HANDLE(beep, ec, "BEEP"); /* all except R30, R31 */ | |
2674 | ||
a5763f22 | 2675 | static int __init beep_init(struct ibm_init_struct *iibm) |
5fba344c | 2676 | { |
fe08bc4b HMH |
2677 | vdbg_printk(TPACPI_DBG_INIT, "initializing beep subdriver\n"); |
2678 | ||
8d376cd6 | 2679 | IBM_ACPIHANDLE_INIT(beep); |
5fba344c | 2680 | |
fe08bc4b HMH |
2681 | vdbg_printk(TPACPI_DBG_INIT, "beep is %s\n", |
2682 | str_supported(beep_handle != NULL)); | |
2683 | ||
5fba344c HMH |
2684 | return (beep_handle)? 0 : 1; |
2685 | } | |
2686 | ||
78f81cc4 BD |
2687 | static int beep_read(char *p) |
2688 | { | |
2689 | int len = 0; | |
2690 | ||
2691 | if (!beep_handle) | |
2692 | len += sprintf(p + len, "status:\t\tnot supported\n"); | |
2693 | else { | |
2694 | len += sprintf(p + len, "status:\t\tsupported\n"); | |
2695 | len += sprintf(p + len, "commands:\t<cmd> (<cmd> is 0-17)\n"); | |
2696 | } | |
2697 | ||
2698 | return len; | |
2699 | } | |
2700 | ||
2701 | static int beep_write(char *buf) | |
2702 | { | |
2703 | char *cmd; | |
2704 | int beep_cmd; | |
2705 | ||
2706 | if (!beep_handle) | |
2707 | return -ENODEV; | |
2708 | ||
2709 | while ((cmd = next_cmd(&buf))) { | |
2710 | if (sscanf(cmd, "%u", &beep_cmd) == 1 && | |
2711 | beep_cmd >= 0 && beep_cmd <= 17) { | |
2712 | /* beep_cmd set */ | |
2713 | } else | |
2714 | return -EINVAL; | |
2715 | if (!acpi_evalf(beep_handle, NULL, NULL, "vdd", beep_cmd, 0)) | |
2716 | return -EIO; | |
2717 | } | |
2718 | ||
2719 | return 0; | |
2720 | } | |
2721 | ||
a5763f22 HMH |
2722 | static struct ibm_struct beep_driver_data = { |
2723 | .name = "beep", | |
2724 | .read = beep_read, | |
2725 | .write = beep_write, | |
2726 | }; | |
2727 | ||
56b6aeb0 HMH |
2728 | /************************************************************************* |
2729 | * Thermal subdriver | |
2730 | */ | |
78f81cc4 | 2731 | |
a26f878a | 2732 | static enum thermal_access_mode thermal_read_mode; |
78f81cc4 | 2733 | |
2c37aa4e HMH |
2734 | /* sysfs temp##_input -------------------------------------------------- */ |
2735 | ||
2736 | static ssize_t thermal_temp_input_show(struct device *dev, | |
2737 | struct device_attribute *attr, | |
2738 | char *buf) | |
2739 | { | |
2740 | struct sensor_device_attribute *sensor_attr = | |
2741 | to_sensor_dev_attr(attr); | |
2742 | int idx = sensor_attr->index; | |
2743 | s32 value; | |
2744 | int res; | |
2745 | ||
2746 | res = thermal_get_sensor(idx, &value); | |
2747 | if (res) | |
2748 | return res; | |
2749 | if (value == TP_EC_THERMAL_TMP_NA * 1000) | |
2750 | return -ENXIO; | |
2751 | ||
2752 | return snprintf(buf, PAGE_SIZE, "%d\n", value); | |
2753 | } | |
2754 | ||
2755 | #define THERMAL_SENSOR_ATTR_TEMP(_idxA, _idxB) \ | |
2756 | SENSOR_ATTR(temp##_idxA##_input, S_IRUGO, thermal_temp_input_show, NULL, _idxB) | |
2757 | ||
2758 | static struct sensor_device_attribute sensor_dev_attr_thermal_temp_input[] = { | |
2759 | THERMAL_SENSOR_ATTR_TEMP(1, 0), | |
2760 | THERMAL_SENSOR_ATTR_TEMP(2, 1), | |
2761 | THERMAL_SENSOR_ATTR_TEMP(3, 2), | |
2762 | THERMAL_SENSOR_ATTR_TEMP(4, 3), | |
2763 | THERMAL_SENSOR_ATTR_TEMP(5, 4), | |
2764 | THERMAL_SENSOR_ATTR_TEMP(6, 5), | |
2765 | THERMAL_SENSOR_ATTR_TEMP(7, 6), | |
2766 | THERMAL_SENSOR_ATTR_TEMP(8, 7), | |
2767 | THERMAL_SENSOR_ATTR_TEMP(9, 8), | |
2768 | THERMAL_SENSOR_ATTR_TEMP(10, 9), | |
2769 | THERMAL_SENSOR_ATTR_TEMP(11, 10), | |
2770 | THERMAL_SENSOR_ATTR_TEMP(12, 11), | |
2771 | THERMAL_SENSOR_ATTR_TEMP(13, 12), | |
2772 | THERMAL_SENSOR_ATTR_TEMP(14, 13), | |
2773 | THERMAL_SENSOR_ATTR_TEMP(15, 14), | |
2774 | THERMAL_SENSOR_ATTR_TEMP(16, 15), | |
2775 | }; | |
2776 | ||
2777 | #define THERMAL_ATTRS(X) \ | |
2778 | &sensor_dev_attr_thermal_temp_input[X].dev_attr.attr | |
2779 | ||
2780 | static struct attribute *thermal_temp_input_attr[] = { | |
2781 | THERMAL_ATTRS(8), | |
2782 | THERMAL_ATTRS(9), | |
2783 | THERMAL_ATTRS(10), | |
2784 | THERMAL_ATTRS(11), | |
2785 | THERMAL_ATTRS(12), | |
2786 | THERMAL_ATTRS(13), | |
2787 | THERMAL_ATTRS(14), | |
2788 | THERMAL_ATTRS(15), | |
2789 | THERMAL_ATTRS(0), | |
2790 | THERMAL_ATTRS(1), | |
2791 | THERMAL_ATTRS(2), | |
2792 | THERMAL_ATTRS(3), | |
2793 | THERMAL_ATTRS(4), | |
2794 | THERMAL_ATTRS(5), | |
2795 | THERMAL_ATTRS(6), | |
2796 | THERMAL_ATTRS(7), | |
2797 | NULL | |
2798 | }; | |
2799 | ||
2800 | static const struct attribute_group thermal_temp_input16_group = { | |
2801 | .attrs = thermal_temp_input_attr | |
2802 | }; | |
2803 | ||
2804 | static const struct attribute_group thermal_temp_input8_group = { | |
2805 | .attrs = &thermal_temp_input_attr[8] | |
2806 | }; | |
2807 | ||
2808 | #undef THERMAL_SENSOR_ATTR_TEMP | |
2809 | #undef THERMAL_ATTRS | |
2810 | ||
2811 | /* --------------------------------------------------------------------- */ | |
2812 | ||
a5763f22 | 2813 | static int __init thermal_init(struct ibm_init_struct *iibm) |
78f81cc4 | 2814 | { |
60eb0b35 HMH |
2815 | u8 t, ta1, ta2; |
2816 | int i; | |
5fba344c | 2817 | int acpi_tmp7; |
2c37aa4e | 2818 | int res; |
5fba344c | 2819 | |
fe08bc4b HMH |
2820 | vdbg_printk(TPACPI_DBG_INIT, "initializing thermal subdriver\n"); |
2821 | ||
5fba344c | 2822 | acpi_tmp7 = acpi_evalf(ec_handle, NULL, "TMP7", "qv"); |
60eb0b35 | 2823 | |
3d6f99ca | 2824 | if (thinkpad_id.ec_model) { |
60eb0b35 HMH |
2825 | /* |
2826 | * Direct EC access mode: sensors at registers | |
2827 | * 0x78-0x7F, 0xC0-0xC7. Registers return 0x00 for | |
2828 | * non-implemented, thermal sensors return 0x80 when | |
2829 | * not available | |
2830 | */ | |
78f81cc4 | 2831 | |
60eb0b35 HMH |
2832 | ta1 = ta2 = 0; |
2833 | for (i = 0; i < 8; i++) { | |
04cc862c | 2834 | if (acpi_ec_read(TP_EC_THERMAL_TMP0 + i, &t)) { |
60eb0b35 HMH |
2835 | ta1 |= t; |
2836 | } else { | |
2837 | ta1 = 0; | |
2838 | break; | |
2839 | } | |
04cc862c | 2840 | if (acpi_ec_read(TP_EC_THERMAL_TMP8 + i, &t)) { |
60eb0b35 HMH |
2841 | ta2 |= t; |
2842 | } else { | |
2843 | ta1 = 0; | |
2844 | break; | |
2845 | } | |
2846 | } | |
2847 | if (ta1 == 0) { | |
2848 | /* This is sheer paranoia, but we handle it anyway */ | |
2849 | if (acpi_tmp7) { | |
2850 | printk(IBM_ERR | |
2851 | "ThinkPad ACPI EC access misbehaving, " | |
2852 | "falling back to ACPI TMPx access mode\n"); | |
efa27145 | 2853 | thermal_read_mode = TPACPI_THERMAL_ACPI_TMP07; |
60eb0b35 HMH |
2854 | } else { |
2855 | printk(IBM_ERR | |
2856 | "ThinkPad ACPI EC access misbehaving, " | |
2857 | "disabling thermal sensors access\n"); | |
efa27145 | 2858 | thermal_read_mode = TPACPI_THERMAL_NONE; |
60eb0b35 HMH |
2859 | } |
2860 | } else { | |
2861 | thermal_read_mode = | |
2862 | (ta2 != 0) ? | |
efa27145 | 2863 | TPACPI_THERMAL_TPEC_16 : TPACPI_THERMAL_TPEC_8; |
60eb0b35 HMH |
2864 | } |
2865 | } else if (acpi_tmp7) { | |
a26f878a HMH |
2866 | if (acpi_evalf(ec_handle, NULL, "UPDT", "qv")) { |
2867 | /* 600e/x, 770e, 770x */ | |
efa27145 | 2868 | thermal_read_mode = TPACPI_THERMAL_ACPI_UPDT; |
a26f878a HMH |
2869 | } else { |
2870 | /* Standard ACPI TMPx access, max 8 sensors */ | |
efa27145 | 2871 | thermal_read_mode = TPACPI_THERMAL_ACPI_TMP07; |
a26f878a HMH |
2872 | } |
2873 | } else { | |
2874 | /* temperatures not supported on 570, G4x, R30, R31, R32 */ | |
efa27145 | 2875 | thermal_read_mode = TPACPI_THERMAL_NONE; |
a26f878a | 2876 | } |
78f81cc4 | 2877 | |
fe08bc4b HMH |
2878 | vdbg_printk(TPACPI_DBG_INIT, "thermal is %s, mode %d\n", |
2879 | str_supported(thermal_read_mode != TPACPI_THERMAL_NONE), | |
2880 | thermal_read_mode); | |
2881 | ||
2c37aa4e HMH |
2882 | switch(thermal_read_mode) { |
2883 | case TPACPI_THERMAL_TPEC_16: | |
7fd40029 | 2884 | res = sysfs_create_group(&tpacpi_sensors_pdev->dev.kobj, |
2c37aa4e HMH |
2885 | &thermal_temp_input16_group); |
2886 | if (res) | |
2887 | return res; | |
2888 | break; | |
2889 | case TPACPI_THERMAL_TPEC_8: | |
2890 | case TPACPI_THERMAL_ACPI_TMP07: | |
2891 | case TPACPI_THERMAL_ACPI_UPDT: | |
7fd40029 | 2892 | res = sysfs_create_group(&tpacpi_sensors_pdev->dev.kobj, |
2c37aa4e HMH |
2893 | &thermal_temp_input8_group); |
2894 | if (res) | |
2895 | return res; | |
2896 | break; | |
2897 | case TPACPI_THERMAL_NONE: | |
2898 | default: | |
2899 | return 1; | |
2900 | } | |
2901 | ||
2902 | return 0; | |
2903 | } | |
2904 | ||
2905 | static void thermal_exit(void) | |
2906 | { | |
2907 | switch(thermal_read_mode) { | |
2908 | case TPACPI_THERMAL_TPEC_16: | |
7fd40029 | 2909 | sysfs_remove_group(&tpacpi_sensors_pdev->dev.kobj, |
2c37aa4e HMH |
2910 | &thermal_temp_input16_group); |
2911 | break; | |
2912 | case TPACPI_THERMAL_TPEC_8: | |
2913 | case TPACPI_THERMAL_ACPI_TMP07: | |
2914 | case TPACPI_THERMAL_ACPI_UPDT: | |
7fd40029 | 2915 | sysfs_remove_group(&tpacpi_sensors_pdev->dev.kobj, |
2c37aa4e HMH |
2916 | &thermal_temp_input16_group); |
2917 | break; | |
2918 | case TPACPI_THERMAL_NONE: | |
2919 | default: | |
2920 | break; | |
2921 | } | |
78f81cc4 BD |
2922 | } |
2923 | ||
04cc862c HMH |
2924 | /* idx is zero-based */ |
2925 | static int thermal_get_sensor(int idx, s32 *value) | |
78f81cc4 | 2926 | { |
04cc862c | 2927 | int t; |
60eb0b35 | 2928 | s8 tmp; |
04cc862c | 2929 | char tmpi[5]; |
78f81cc4 | 2930 | |
04cc862c | 2931 | t = TP_EC_THERMAL_TMP0; |
78f81cc4 | 2932 | |
a26f878a | 2933 | switch (thermal_read_mode) { |
efa27145 HMH |
2934 | #if TPACPI_MAX_THERMAL_SENSORS >= 16 |
2935 | case TPACPI_THERMAL_TPEC_16: | |
04cc862c HMH |
2936 | if (idx >= 8 && idx <= 15) { |
2937 | t = TP_EC_THERMAL_TMP8; | |
2938 | idx -= 8; | |
60eb0b35 HMH |
2939 | } |
2940 | /* fallthrough */ | |
2941 | #endif | |
efa27145 | 2942 | case TPACPI_THERMAL_TPEC_8: |
04cc862c HMH |
2943 | if (idx <= 7) { |
2944 | if (!acpi_ec_read(t + idx, &tmp)) | |
78f81cc4 | 2945 | return -EIO; |
04cc862c HMH |
2946 | *value = tmp * 1000; |
2947 | return 0; | |
60eb0b35 | 2948 | } |
04cc862c | 2949 | break; |
78f81cc4 | 2950 | |
efa27145 | 2951 | case TPACPI_THERMAL_ACPI_UPDT: |
04cc862c HMH |
2952 | if (idx <= 7) { |
2953 | snprintf(tmpi, sizeof(tmpi), "TMP%c", '0' + idx); | |
2954 | if (!acpi_evalf(ec_handle, NULL, "UPDT", "v")) | |
2955 | return -EIO; | |
78f81cc4 BD |
2956 | if (!acpi_evalf(ec_handle, &t, tmpi, "d")) |
2957 | return -EIO; | |
04cc862c HMH |
2958 | *value = (t - 2732) * 100; |
2959 | return 0; | |
78f81cc4 | 2960 | } |
04cc862c | 2961 | break; |
78f81cc4 | 2962 | |
efa27145 | 2963 | case TPACPI_THERMAL_ACPI_TMP07: |
04cc862c HMH |
2964 | if (idx <= 7) { |
2965 | snprintf(tmpi, sizeof(tmpi), "TMP%c", '0' + idx); | |
78f81cc4 BD |
2966 | if (!acpi_evalf(ec_handle, &t, tmpi, "d")) |
2967 | return -EIO; | |
a8fba3da HMH |
2968 | if (t > 127 || t < -127) |
2969 | t = TP_EC_THERMAL_TMP_NA; | |
04cc862c HMH |
2970 | *value = t * 1000; |
2971 | return 0; | |
78f81cc4 | 2972 | } |
04cc862c | 2973 | break; |
78f81cc4 | 2974 | |
efa27145 | 2975 | case TPACPI_THERMAL_NONE: |
a26f878a | 2976 | default: |
04cc862c HMH |
2977 | return -ENOSYS; |
2978 | } | |
2979 | ||
2980 | return -EINVAL; | |
2981 | } | |
2982 | ||
2983 | static int thermal_get_sensors(struct ibm_thermal_sensors_struct *s) | |
2984 | { | |
2985 | int res, i; | |
2986 | int n; | |
2987 | ||
2988 | n = 8; | |
2989 | i = 0; | |
2990 | ||
2991 | if (!s) | |
2992 | return -EINVAL; | |
2993 | ||
2994 | if (thermal_read_mode == TPACPI_THERMAL_TPEC_16) | |
2995 | n = 16; | |
2996 | ||
2997 | for(i = 0 ; i < n; i++) { | |
2998 | res = thermal_get_sensor(i, &s->temp[i]); | |
2999 | if (res) | |
3000 | return res; | |
78f81cc4 | 3001 | } |
04cc862c HMH |
3002 | |
3003 | return n; | |
a26f878a HMH |
3004 | } |
3005 | ||
3006 | static int thermal_read(char *p) | |
3007 | { | |
3008 | int len = 0; | |
3009 | int n, i; | |
3010 | struct ibm_thermal_sensors_struct t; | |
3011 | ||
3012 | n = thermal_get_sensors(&t); | |
3013 | if (unlikely(n < 0)) | |
3014 | return n; | |
3015 | ||
3016 | len += sprintf(p + len, "temperatures:\t"); | |
3017 | ||
3018 | if (n > 0) { | |
3019 | for (i = 0; i < (n - 1); i++) | |
3020 | len += sprintf(p + len, "%d ", t.temp[i] / 1000); | |
3021 | len += sprintf(p + len, "%d\n", t.temp[i] / 1000); | |
3022 | } else | |
3023 | len += sprintf(p + len, "not supported\n"); | |
78f81cc4 BD |
3024 | |
3025 | return len; | |
3026 | } | |
3027 | ||
a5763f22 HMH |
3028 | static struct ibm_struct thermal_driver_data = { |
3029 | .name = "thermal", | |
3030 | .read = thermal_read, | |
2c37aa4e | 3031 | .exit = thermal_exit, |
a5763f22 HMH |
3032 | }; |
3033 | ||
56b6aeb0 HMH |
3034 | /************************************************************************* |
3035 | * EC Dump subdriver | |
3036 | */ | |
3037 | ||
78f81cc4 BD |
3038 | static u8 ecdump_regs[256]; |
3039 | ||
3040 | static int ecdump_read(char *p) | |
3041 | { | |
3042 | int len = 0; | |
3043 | int i, j; | |
3044 | u8 v; | |
3045 | ||
3046 | len += sprintf(p + len, "EC " | |
3047 | " +00 +01 +02 +03 +04 +05 +06 +07" | |
3048 | " +08 +09 +0a +0b +0c +0d +0e +0f\n"); | |
3049 | for (i = 0; i < 256; i += 16) { | |
3050 | len += sprintf(p + len, "EC 0x%02x:", i); | |
3051 | for (j = 0; j < 16; j++) { | |
3052 | if (!acpi_ec_read(i + j, &v)) | |
3053 | break; | |
3054 | if (v != ecdump_regs[i + j]) | |
3055 | len += sprintf(p + len, " *%02x", v); | |
3056 | else | |
3057 | len += sprintf(p + len, " %02x", v); | |
3058 | ecdump_regs[i + j] = v; | |
3059 | } | |
3060 | len += sprintf(p + len, "\n"); | |
3061 | if (j != 16) | |
3062 | break; | |
3063 | } | |
3064 | ||
3065 | /* These are way too dangerous to advertise openly... */ | |
3066 | #if 0 | |
3067 | len += sprintf(p + len, "commands:\t0x<offset> 0x<value>" | |
3068 | " (<offset> is 00-ff, <value> is 00-ff)\n"); | |
3069 | len += sprintf(p + len, "commands:\t0x<offset> <value> " | |
3070 | " (<offset> is 00-ff, <value> is 0-255)\n"); | |
3071 | #endif | |
3072 | return len; | |
3073 | } | |
3074 | ||
3075 | static int ecdump_write(char *buf) | |
3076 | { | |
3077 | char *cmd; | |
3078 | int i, v; | |
3079 | ||
3080 | while ((cmd = next_cmd(&buf))) { | |
3081 | if (sscanf(cmd, "0x%x 0x%x", &i, &v) == 2) { | |
3082 | /* i and v set */ | |
3083 | } else if (sscanf(cmd, "0x%x %u", &i, &v) == 2) { | |
3084 | /* i and v set */ | |
3085 | } else | |
3086 | return -EINVAL; | |
3087 | if (i >= 0 && i < 256 && v >= 0 && v < 256) { | |
3088 | if (!acpi_ec_write(i, v)) | |
1da177e4 LT |
3089 | return -EIO; |
3090 | } else | |
3091 | return -EINVAL; | |
3092 | } | |
3093 | ||
3094 | return 0; | |
78f81cc4 BD |
3095 | } |
3096 | ||
a5763f22 HMH |
3097 | static struct ibm_struct ecdump_driver_data = { |
3098 | .name = "ecdump", | |
3099 | .read = ecdump_read, | |
3100 | .write = ecdump_write, | |
92641177 | 3101 | .flags.experimental = 1, |
a5763f22 HMH |
3102 | }; |
3103 | ||
56b6aeb0 HMH |
3104 | /************************************************************************* |
3105 | * Backlight/brightness subdriver | |
3106 | */ | |
3107 | ||
94954cc6 | 3108 | static struct backlight_device *ibm_backlight_device; |
56b6aeb0 HMH |
3109 | |
3110 | static struct backlight_ops ibm_backlight_data = { | |
3111 | .get_brightness = brightness_get, | |
3112 | .update_status = brightness_update_status, | |
3113 | }; | |
3114 | ||
f432255e HMH |
3115 | static struct mutex brightness_mutex; |
3116 | ||
a3f104c0 HMH |
3117 | static int __init tpacpi_query_bcll_levels(acpi_handle handle) |
3118 | { | |
3119 | struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL }; | |
3120 | union acpi_object *obj; | |
3121 | int rc; | |
3122 | ||
3123 | if (ACPI_SUCCESS(acpi_evaluate_object(handle, NULL, NULL, &buffer))) { | |
3124 | obj = (union acpi_object *)buffer.pointer; | |
3125 | if (!obj || (obj->type != ACPI_TYPE_PACKAGE)) { | |
3126 | printk(IBM_ERR "Unknown BCLL data, " | |
3127 | "please report this to %s\n", IBM_MAIL); | |
3128 | rc = 0; | |
3129 | } else { | |
3130 | rc = obj->package.count; | |
3131 | } | |
3132 | } else { | |
3133 | return 0; | |
3134 | } | |
3135 | ||
3136 | kfree(buffer.pointer); | |
3137 | return rc; | |
3138 | } | |
3139 | ||
3140 | static acpi_status __init brightness_find_bcll(acpi_handle handle, u32 lvl, | |
3141 | void *context, void **rv) | |
3142 | { | |
3143 | char name[ACPI_PATH_SEGMENT_LENGTH]; | |
3144 | struct acpi_buffer buffer = { sizeof(name), &name }; | |
3145 | ||
3146 | if (ACPI_SUCCESS(acpi_get_name(handle, ACPI_SINGLE_NAME, &buffer)) && | |
3147 | !strncmp("BCLL", name, sizeof(name) - 1)) { | |
3148 | if (tpacpi_query_bcll_levels(handle) == 16) { | |
3149 | *rv = handle; | |
3150 | return AE_CTRL_TERMINATE; | |
3151 | } else { | |
3152 | return AE_OK; | |
3153 | } | |
3154 | } else { | |
3155 | return AE_OK; | |
3156 | } | |
3157 | } | |
3158 | ||
3159 | static int __init brightness_check_levels(void) | |
3160 | { | |
3161 | int status; | |
3162 | void *found_node = NULL; | |
3163 | ||
3164 | if (!vid_handle) { | |
3165 | IBM_ACPIHANDLE_INIT(vid); | |
3166 | } | |
3167 | if (!vid_handle) | |
3168 | return 0; | |
3169 | ||
3170 | /* Search for a BCLL package with 16 levels */ | |
3171 | status = acpi_walk_namespace(ACPI_TYPE_PACKAGE, vid_handle, 3, | |
3172 | brightness_find_bcll, NULL, &found_node); | |
3173 | ||
3174 | return (ACPI_SUCCESS(status) && found_node != NULL); | |
3175 | } | |
3176 | ||
a5763f22 | 3177 | static int __init brightness_init(struct ibm_init_struct *iibm) |
56b6aeb0 HMH |
3178 | { |
3179 | int b; | |
3180 | ||
fe08bc4b HMH |
3181 | vdbg_printk(TPACPI_DBG_INIT, "initializing brightness subdriver\n"); |
3182 | ||
f432255e HMH |
3183 | mutex_init(&brightness_mutex); |
3184 | ||
87cc537a HMH |
3185 | if (!brightness_enable) { |
3186 | dbg_printk(TPACPI_DBG_INIT, | |
3187 | "brightness support disabled by module parameter\n"); | |
3188 | return 1; | |
3189 | } | |
3190 | ||
24d3b774 HMH |
3191 | if (!brightness_mode) { |
3192 | if (thinkpad_id.vendor == PCI_VENDOR_ID_LENOVO) | |
3193 | brightness_mode = 2; | |
3194 | else | |
3195 | brightness_mode = 3; | |
3196 | ||
3197 | dbg_printk(TPACPI_DBG_INIT, "selected brightness_mode=%d\n", | |
3198 | brightness_mode); | |
3199 | } | |
3200 | ||
3201 | if (brightness_mode > 3) | |
3202 | return -EINVAL; | |
3203 | ||
a3f104c0 HMH |
3204 | tp_features.bright_16levels = |
3205 | thinkpad_id.vendor == PCI_VENDOR_ID_LENOVO && | |
3206 | brightness_check_levels(); | |
3207 | ||
56b6aeb0 HMH |
3208 | b = brightness_get(NULL); |
3209 | if (b < 0) | |
24d3b774 | 3210 | return 1; |
56b6aeb0 | 3211 | |
a3f104c0 HMH |
3212 | if (tp_features.bright_16levels) |
3213 | printk(IBM_INFO "detected a 16-level brightness capable ThinkPad\n"); | |
3214 | ||
7d5a015e HMH |
3215 | ibm_backlight_device = backlight_device_register( |
3216 | TPACPI_BACKLIGHT_DEV_NAME, NULL, NULL, | |
3217 | &ibm_backlight_data); | |
56b6aeb0 HMH |
3218 | if (IS_ERR(ibm_backlight_device)) { |
3219 | printk(IBM_ERR "Could not register backlight device\n"); | |
3220 | return PTR_ERR(ibm_backlight_device); | |
3221 | } | |
fe08bc4b | 3222 | vdbg_printk(TPACPI_DBG_INIT, "brightness is supported\n"); |
56b6aeb0 | 3223 | |
a3f104c0 HMH |
3224 | ibm_backlight_device->props.max_brightness = |
3225 | (tp_features.bright_16levels)? 15 : 7; | |
56b6aeb0 HMH |
3226 | ibm_backlight_device->props.brightness = b; |
3227 | backlight_update_status(ibm_backlight_device); | |
3228 | ||
3229 | return 0; | |
3230 | } | |
3231 | ||
3232 | static void brightness_exit(void) | |
3233 | { | |
3234 | if (ibm_backlight_device) { | |
fe08bc4b HMH |
3235 | vdbg_printk(TPACPI_DBG_EXIT, |
3236 | "calling backlight_device_unregister()\n"); | |
56b6aeb0 HMH |
3237 | backlight_device_unregister(ibm_backlight_device); |
3238 | ibm_backlight_device = NULL; | |
3239 | } | |
3240 | } | |
3241 | ||
3242 | static int brightness_update_status(struct backlight_device *bd) | |
3243 | { | |
3244 | return brightness_set( | |
3245 | (bd->props.fb_blank == FB_BLANK_UNBLANK && | |
3246 | bd->props.power == FB_BLANK_UNBLANK) ? | |
3247 | bd->props.brightness : 0); | |
3248 | } | |
3249 | ||
24d3b774 HMH |
3250 | /* |
3251 | * ThinkPads can read brightness from two places: EC 0x31, or | |
3252 | * CMOS NVRAM byte 0x5E, bits 0-3. | |
3253 | */ | |
8acb0250 HM |
3254 | static int brightness_get(struct backlight_device *bd) |
3255 | { | |
24d3b774 | 3256 | u8 lec = 0, lcmos = 0, level = 0; |
8acb0250 | 3257 | |
24d3b774 HMH |
3258 | if (brightness_mode & 1) { |
3259 | if (!acpi_ec_read(brightness_offset, &lec)) | |
3260 | return -EIO; | |
a3f104c0 | 3261 | lec &= (tp_features.bright_16levels)? 0x0f : 0x07; |
24d3b774 HMH |
3262 | level = lec; |
3263 | }; | |
3264 | if (brightness_mode & 2) { | |
3265 | lcmos = (nvram_read_byte(TP_NVRAM_ADDR_BRIGHTNESS) | |
3266 | & TP_NVRAM_MASK_LEVEL_BRIGHTNESS) | |
3267 | >> TP_NVRAM_POS_LEVEL_BRIGHTNESS; | |
a3f104c0 | 3268 | lcmos &= (tp_features.bright_16levels)? 0x0f : 0x07; |
24d3b774 HMH |
3269 | level = lcmos; |
3270 | } | |
3271 | ||
3272 | if (brightness_mode == 3 && lec != lcmos) { | |
3273 | printk(IBM_ERR | |
3274 | "CMOS NVRAM (%u) and EC (%u) do not agree " | |
3275 | "on display brightness level\n", | |
3276 | (unsigned int) lcmos, | |
3277 | (unsigned int) lec); | |
3278 | return -EIO; | |
3279 | } | |
fb87a811 | 3280 | |
8d297264 | 3281 | return level; |
8acb0250 HM |
3282 | } |
3283 | ||
8acb0250 | 3284 | static int brightness_set(int value) |
1da177e4 | 3285 | { |
f432255e HMH |
3286 | int cmos_cmd, inc, i, res; |
3287 | int current_value; | |
8acb0250 | 3288 | |
a3f104c0 | 3289 | if (value > ((tp_features.bright_16levels)? 15 : 7)) |
24d3b774 | 3290 | return -EINVAL; |
8acb0250 | 3291 | |
f432255e HMH |
3292 | res = mutex_lock_interruptible(&brightness_mutex); |
3293 | if (res < 0) | |
3294 | return res; | |
3295 | ||
3296 | current_value = brightness_get(NULL); | |
3297 | if (current_value < 0) { | |
3298 | res = current_value; | |
3299 | goto errout; | |
3300 | } | |
3301 | ||
24d3b774 HMH |
3302 | cmos_cmd = value > current_value ? |
3303 | TP_CMOS_BRIGHTNESS_UP : | |
3304 | TP_CMOS_BRIGHTNESS_DOWN; | |
a3f104c0 | 3305 | inc = (value > current_value)? 1 : -1; |
24d3b774 | 3306 | |
f432255e | 3307 | res = 0; |
8acb0250 | 3308 | for (i = current_value; i != value; i += inc) { |
24d3b774 | 3309 | if ((brightness_mode & 2) && |
f432255e HMH |
3310 | issue_thinkpad_cmos_command(cmos_cmd)) { |
3311 | res = -EIO; | |
3312 | goto errout; | |
3313 | } | |
24d3b774 | 3314 | if ((brightness_mode & 1) && |
f432255e HMH |
3315 | !acpi_ec_write(brightness_offset, i + inc)) { |
3316 | res = -EIO; | |
3317 | goto errout;; | |
3318 | } | |
8acb0250 HM |
3319 | } |
3320 | ||
f432255e HMH |
3321 | errout: |
3322 | mutex_unlock(&brightness_mutex); | |
3323 | return res; | |
8acb0250 HM |
3324 | } |
3325 | ||
56b6aeb0 HMH |
3326 | static int brightness_read(char *p) |
3327 | { | |
3328 | int len = 0; | |
3329 | int level; | |
3330 | ||
3331 | if ((level = brightness_get(NULL)) < 0) { | |
3332 | len += sprintf(p + len, "level:\t\tunreadable\n"); | |
3333 | } else { | |
a3f104c0 | 3334 | len += sprintf(p + len, "level:\t\t%d\n", level); |
56b6aeb0 HMH |
3335 | len += sprintf(p + len, "commands:\tup, down\n"); |
3336 | len += sprintf(p + len, "commands:\tlevel <level>" | |
a3f104c0 HMH |
3337 | " (<level> is 0-%d)\n", |
3338 | (tp_features.bright_16levels) ? 15 : 7); | |
56b6aeb0 HMH |
3339 | } |
3340 | ||
3341 | return len; | |
3342 | } | |
3343 | ||
8acb0250 HM |
3344 | static int brightness_write(char *buf) |
3345 | { | |
3346 | int level; | |
78f81cc4 | 3347 | int new_level; |
1da177e4 | 3348 | char *cmd; |
a3f104c0 | 3349 | int max_level = (tp_features.bright_16levels) ? 15 : 7; |
1da177e4 LT |
3350 | |
3351 | while ((cmd = next_cmd(&buf))) { | |
8acb0250 HM |
3352 | if ((level = brightness_get(NULL)) < 0) |
3353 | return level; | |
78f81cc4 BD |
3354 | |
3355 | if (strlencmp(cmd, "up") == 0) { | |
a3f104c0 HMH |
3356 | new_level = level == (max_level)? |
3357 | max_level : level + 1; | |
78f81cc4 | 3358 | } else if (strlencmp(cmd, "down") == 0) { |
a3f104c0 | 3359 | new_level = level == 0? 0 : level - 1; |
78f81cc4 | 3360 | } else if (sscanf(cmd, "level %d", &new_level) == 1 && |
a3f104c0 | 3361 | new_level >= 0 && new_level <= max_level) { |
78f81cc4 BD |
3362 | /* new_level set */ |
3363 | } else | |
3364 | return -EINVAL; | |
3365 | ||
8acb0250 | 3366 | brightness_set(new_level); |
78f81cc4 BD |
3367 | } |
3368 | ||
3369 | return 0; | |
3370 | } | |
3371 | ||
a5763f22 HMH |
3372 | static struct ibm_struct brightness_driver_data = { |
3373 | .name = "brightness", | |
3374 | .read = brightness_read, | |
3375 | .write = brightness_write, | |
3376 | .exit = brightness_exit, | |
3377 | }; | |
3378 | ||
56b6aeb0 HMH |
3379 | /************************************************************************* |
3380 | * Volume subdriver | |
3381 | */ | |
fb87a811 | 3382 | |
78f81cc4 BD |
3383 | static int volume_read(char *p) |
3384 | { | |
3385 | int len = 0; | |
3386 | u8 level; | |
3387 | ||
3388 | if (!acpi_ec_read(volume_offset, &level)) { | |
3389 | len += sprintf(p + len, "level:\t\tunreadable\n"); | |
3390 | } else { | |
3391 | len += sprintf(p + len, "level:\t\t%d\n", level & 0xf); | |
3392 | len += sprintf(p + len, "mute:\t\t%s\n", onoff(level, 6)); | |
3393 | len += sprintf(p + len, "commands:\tup, down, mute\n"); | |
3394 | len += sprintf(p + len, "commands:\tlevel <level>" | |
3395 | " (<level> is 0-15)\n"); | |
3396 | } | |
3397 | ||
3398 | return len; | |
3399 | } | |
3400 | ||
78f81cc4 BD |
3401 | static int volume_write(char *buf) |
3402 | { | |
3403 | int cmos_cmd, inc, i; | |
3404 | u8 level, mute; | |
3405 | int new_level, new_mute; | |
3406 | char *cmd; | |
3407 | ||
3408 | while ((cmd = next_cmd(&buf))) { | |
3409 | if (!acpi_ec_read(volume_offset, &level)) | |
3410 | return -EIO; | |
3411 | new_mute = mute = level & 0x40; | |
3412 | new_level = level = level & 0xf; | |
3413 | ||
3414 | if (strlencmp(cmd, "up") == 0) { | |
3415 | if (mute) | |
3416 | new_mute = 0; | |
3417 | else | |
3418 | new_level = level == 15 ? 15 : level + 1; | |
3419 | } else if (strlencmp(cmd, "down") == 0) { | |
3420 | if (mute) | |
3421 | new_mute = 0; | |
3422 | else | |
3423 | new_level = level == 0 ? 0 : level - 1; | |
3424 | } else if (sscanf(cmd, "level %d", &new_level) == 1 && | |
3425 | new_level >= 0 && new_level <= 15) { | |
3426 | /* new_level set */ | |
3427 | } else if (strlencmp(cmd, "mute") == 0) { | |
3428 | new_mute = 0x40; | |
1da177e4 LT |
3429 | } else |
3430 | return -EINVAL; | |
3431 | ||
78f81cc4 | 3432 | if (new_level != level) { /* mute doesn't change */ |
56b6aeb0 | 3433 | cmos_cmd = new_level > level ? TP_CMOS_VOLUME_UP : TP_CMOS_VOLUME_DOWN; |
78f81cc4 BD |
3434 | inc = new_level > level ? 1 : -1; |
3435 | ||
c9bea99c | 3436 | if (mute && (issue_thinkpad_cmos_command(cmos_cmd) || |
78f81cc4 BD |
3437 | !acpi_ec_write(volume_offset, level))) |
3438 | return -EIO; | |
3439 | ||
3440 | for (i = level; i != new_level; i += inc) | |
c9bea99c | 3441 | if (issue_thinkpad_cmos_command(cmos_cmd) || |
78f81cc4 BD |
3442 | !acpi_ec_write(volume_offset, i + inc)) |
3443 | return -EIO; | |
3444 | ||
c9bea99c | 3445 | if (mute && (issue_thinkpad_cmos_command(TP_CMOS_VOLUME_MUTE) || |
78f81cc4 BD |
3446 | !acpi_ec_write(volume_offset, |
3447 | new_level + mute))) | |
3448 | return -EIO; | |
3449 | } | |
3450 | ||
3451 | if (new_mute != mute) { /* level doesn't change */ | |
56b6aeb0 | 3452 | cmos_cmd = new_mute ? TP_CMOS_VOLUME_MUTE : TP_CMOS_VOLUME_UP; |
78f81cc4 | 3453 | |
c9bea99c | 3454 | if (issue_thinkpad_cmos_command(cmos_cmd) || |
78f81cc4 BD |
3455 | !acpi_ec_write(volume_offset, level + new_mute)) |
3456 | return -EIO; | |
3457 | } | |
3458 | } | |
3459 | ||
3460 | return 0; | |
3461 | } | |
3462 | ||
a5763f22 HMH |
3463 | static struct ibm_struct volume_driver_data = { |
3464 | .name = "volume", | |
3465 | .read = volume_read, | |
3466 | .write = volume_write, | |
3467 | }; | |
56b6aeb0 HMH |
3468 | |
3469 | /************************************************************************* | |
3470 | * Fan subdriver | |
3471 | */ | |
3472 | ||
3473 | /* | |
3474 | * FAN ACCESS MODES | |
3475 | * | |
efa27145 | 3476 | * TPACPI_FAN_RD_ACPI_GFAN: |
56b6aeb0 HMH |
3477 | * ACPI GFAN method: returns fan level |
3478 | * | |
efa27145 | 3479 | * see TPACPI_FAN_WR_ACPI_SFAN |
f51d1a39 | 3480 | * EC 0x2f (HFSP) not available if GFAN exists |
56b6aeb0 | 3481 | * |
efa27145 | 3482 | * TPACPI_FAN_WR_ACPI_SFAN: |
56b6aeb0 HMH |
3483 | * ACPI SFAN method: sets fan level, 0 (stop) to 7 (max) |
3484 | * | |
f51d1a39 HMH |
3485 | * EC 0x2f (HFSP) might be available *for reading*, but do not use |
3486 | * it for writing. | |
56b6aeb0 | 3487 | * |
efa27145 | 3488 | * TPACPI_FAN_WR_TPEC: |
f51d1a39 HMH |
3489 | * ThinkPad EC register 0x2f (HFSP): fan control loop mode |
3490 | * Supported on almost all ThinkPads | |
56b6aeb0 HMH |
3491 | * |
3492 | * Fan speed changes of any sort (including those caused by the | |
3493 | * disengaged mode) are usually done slowly by the firmware as the | |
3494 | * maximum ammount of fan duty cycle change per second seems to be | |
3495 | * limited. | |
3496 | * | |
3497 | * Reading is not available if GFAN exists. | |
3498 | * Writing is not available if SFAN exists. | |
3499 | * | |
3500 | * Bits | |
3501 | * 7 automatic mode engaged; | |
3502 | * (default operation mode of the ThinkPad) | |
3503 | * fan level is ignored in this mode. | |
f51d1a39 | 3504 | * 6 full speed mode (takes precedence over bit 7); |
56b6aeb0 | 3505 | * not available on all thinkpads. May disable |
f51d1a39 HMH |
3506 | * the tachometer while the fan controller ramps up |
3507 | * the speed (which can take up to a few *minutes*). | |
3508 | * Speeds up fan to 100% duty-cycle, which is far above | |
3509 | * the standard RPM levels. It is not impossible that | |
3510 | * it could cause hardware damage. | |
56b6aeb0 HMH |
3511 | * 5-3 unused in some models. Extra bits for fan level |
3512 | * in others, but still useless as all values above | |
3513 | * 7 map to the same speed as level 7 in these models. | |
3514 | * 2-0 fan level (0..7 usually) | |
3515 | * 0x00 = stop | |
3516 | * 0x07 = max (set when temperatures critical) | |
3517 | * Some ThinkPads may have other levels, see | |
efa27145 | 3518 | * TPACPI_FAN_WR_ACPI_FANS (X31/X40/X41) |
56b6aeb0 HMH |
3519 | * |
3520 | * FIRMWARE BUG: on some models, EC 0x2f might not be initialized at | |
3521 | * boot. Apparently the EC does not intialize it, so unless ACPI DSDT | |
3522 | * does so, its initial value is meaningless (0x07). | |
3523 | * | |
3524 | * For firmware bugs, refer to: | |
3525 | * http://thinkwiki.org/wiki/Embedded_Controller_Firmware#Firmware_Issues | |
3526 | * | |
3527 | * ---- | |
3528 | * | |
3529 | * ThinkPad EC register 0x84 (LSB), 0x85 (MSB): | |
3530 | * Main fan tachometer reading (in RPM) | |
3531 | * | |
3532 | * This register is present on all ThinkPads with a new-style EC, and | |
3533 | * it is known not to be present on the A21m/e, and T22, as there is | |
3534 | * something else in offset 0x84 according to the ACPI DSDT. Other | |
3535 | * ThinkPads from this same time period (and earlier) probably lack the | |
3536 | * tachometer as well. | |
3537 | * | |
3538 | * Unfortunately a lot of ThinkPads with new-style ECs but whose firwmare | |
3539 | * was never fixed by IBM to report the EC firmware version string | |
3540 | * probably support the tachometer (like the early X models), so | |
3541 | * detecting it is quite hard. We need more data to know for sure. | |
3542 | * | |
3543 | * FIRMWARE BUG: always read 0x84 first, otherwise incorrect readings | |
3544 | * might result. | |
3545 | * | |
f51d1a39 HMH |
3546 | * FIRMWARE BUG: may go stale while the EC is switching to full speed |
3547 | * mode. | |
56b6aeb0 HMH |
3548 | * |
3549 | * For firmware bugs, refer to: | |
3550 | * http://thinkwiki.org/wiki/Embedded_Controller_Firmware#Firmware_Issues | |
3551 | * | |
efa27145 | 3552 | * TPACPI_FAN_WR_ACPI_FANS: |
56b6aeb0 HMH |
3553 | * ThinkPad X31, X40, X41. Not available in the X60. |
3554 | * | |
3555 | * FANS ACPI handle: takes three arguments: low speed, medium speed, | |
3556 | * high speed. ACPI DSDT seems to map these three speeds to levels | |
3557 | * as follows: STOP LOW LOW MED MED HIGH HIGH HIGH HIGH | |
3558 | * (this map is stored on FAN0..FAN8 as "0,1,1,2,2,3,3,3,3") | |
3559 | * | |
3560 | * The speeds are stored on handles | |
3561 | * (FANA:FAN9), (FANC:FANB), (FANE:FAND). | |
3562 | * | |
3563 | * There are three default speed sets, acessible as handles: | |
3564 | * FS1L,FS1M,FS1H; FS2L,FS2M,FS2H; FS3L,FS3M,FS3H | |
3565 | * | |
3566 | * ACPI DSDT switches which set is in use depending on various | |
3567 | * factors. | |
3568 | * | |
efa27145 | 3569 | * TPACPI_FAN_WR_TPEC is also available and should be used to |
56b6aeb0 HMH |
3570 | * command the fan. The X31/X40/X41 seems to have 8 fan levels, |
3571 | * but the ACPI tables just mention level 7. | |
3572 | */ | |
3573 | ||
69ba91cb HMH |
3574 | static enum fan_status_access_mode fan_status_access_mode; |
3575 | static enum fan_control_access_mode fan_control_access_mode; | |
3576 | static enum fan_control_commands fan_control_commands; | |
78f81cc4 | 3577 | |
778b4d74 | 3578 | static u8 fan_control_initial_status; |
fe98a52c | 3579 | static u8 fan_control_desired_level; |
778b4d74 | 3580 | |
25c68a33 | 3581 | static void fan_watchdog_fire(struct work_struct *ignored); |
16663a87 | 3582 | static int fan_watchdog_maxinterval; |
25c68a33 | 3583 | static DECLARE_DELAYED_WORK(fan_watchdog_task, fan_watchdog_fire); |
16663a87 | 3584 | |
56b6aeb0 HMH |
3585 | IBM_HANDLE(fans, ec, "FANS"); /* X31, X40, X41 */ |
3586 | IBM_HANDLE(gfan, ec, "GFAN", /* 570 */ | |
3587 | "\\FSPD", /* 600e/x, 770e, 770x */ | |
3588 | ); /* all others */ | |
3589 | IBM_HANDLE(sfan, ec, "SFAN", /* 570 */ | |
3590 | "JFNS", /* 770x-JL */ | |
3591 | ); /* all others */ | |
3592 | ||
fe98a52c HMH |
3593 | /* |
3594 | * SYSFS fan layout: hwmon compatible (device) | |
3595 | * | |
3596 | * pwm*_enable: | |
3597 | * 0: "disengaged" mode | |
3598 | * 1: manual mode | |
3599 | * 2: native EC "auto" mode (recommended, hardware default) | |
3600 | * | |
3601 | * pwm*: set speed in manual mode, ignored otherwise. | |
3602 | * 0 is level 0; 255 is level 7. Intermediate points done with linear | |
3603 | * interpolation. | |
3604 | * | |
3605 | * fan*_input: tachometer reading, RPM | |
3606 | * | |
3607 | * | |
3608 | * SYSFS fan layout: extensions | |
3609 | * | |
3610 | * fan_watchdog (driver): | |
3611 | * fan watchdog interval in seconds, 0 disables (default), max 120 | |
3612 | */ | |
3613 | ||
3614 | /* sysfs fan pwm1_enable ----------------------------------------------- */ | |
3615 | static ssize_t fan_pwm1_enable_show(struct device *dev, | |
3616 | struct device_attribute *attr, | |
3617 | char *buf) | |
3618 | { | |
3619 | int res, mode; | |
3620 | u8 status; | |
3621 | ||
3622 | res = fan_get_status_safe(&status); | |
3623 | if (res) | |
3624 | return res; | |
3625 | ||
3626 | if (unlikely(tp_features.fan_ctrl_status_undef)) { | |
3627 | if (status != fan_control_initial_status) { | |
3628 | tp_features.fan_ctrl_status_undef = 0; | |
3629 | } else { | |
3630 | /* Return most likely status. In fact, it | |
3631 | * might be the only possible status */ | |
3632 | status = TP_EC_FAN_AUTO; | |
3633 | } | |
3634 | } | |
3635 | ||
3636 | if (status & TP_EC_FAN_FULLSPEED) { | |
3637 | mode = 0; | |
3638 | } else if (status & TP_EC_FAN_AUTO) { | |
3639 | mode = 2; | |
3640 | } else | |
3641 | mode = 1; | |
3642 | ||
3643 | return snprintf(buf, PAGE_SIZE, "%d\n", mode); | |
3644 | } | |
3645 | ||
3646 | static ssize_t fan_pwm1_enable_store(struct device *dev, | |
3647 | struct device_attribute *attr, | |
3648 | const char *buf, size_t count) | |
3649 | { | |
3650 | unsigned long t; | |
3651 | int res, level; | |
3652 | ||
3653 | if (parse_strtoul(buf, 2, &t)) | |
3654 | return -EINVAL; | |
3655 | ||
3656 | switch (t) { | |
3657 | case 0: | |
3658 | level = TP_EC_FAN_FULLSPEED; | |
3659 | break; | |
3660 | case 1: | |
3661 | level = TPACPI_FAN_LAST_LEVEL; | |
3662 | break; | |
3663 | case 2: | |
3664 | level = TP_EC_FAN_AUTO; | |
3665 | break; | |
3666 | case 3: | |
3667 | /* reserved for software-controlled auto mode */ | |
3668 | return -ENOSYS; | |
3669 | default: | |
3670 | return -EINVAL; | |
3671 | } | |
3672 | ||
3673 | res = fan_set_level_safe(level); | |
c573ddb9 HMH |
3674 | if (res == -ENXIO) |
3675 | return -EINVAL; | |
3676 | else if (res < 0) | |
fe98a52c HMH |
3677 | return res; |
3678 | ||
3679 | fan_watchdog_reset(); | |
3680 | ||
3681 | return count; | |
3682 | } | |
3683 | ||
3684 | static struct device_attribute dev_attr_fan_pwm1_enable = | |
3685 | __ATTR(pwm1_enable, S_IWUSR | S_IRUGO, | |
3686 | fan_pwm1_enable_show, fan_pwm1_enable_store); | |
3687 | ||
3688 | /* sysfs fan pwm1 ------------------------------------------------------ */ | |
3689 | static ssize_t fan_pwm1_show(struct device *dev, | |
3690 | struct device_attribute *attr, | |
3691 | char *buf) | |
3692 | { | |
3693 | int res; | |
3694 | u8 status; | |
3695 | ||
3696 | res = fan_get_status_safe(&status); | |
3697 | if (res) | |
3698 | return res; | |
3699 | ||
3700 | if (unlikely(tp_features.fan_ctrl_status_undef)) { | |
3701 | if (status != fan_control_initial_status) { | |
3702 | tp_features.fan_ctrl_status_undef = 0; | |
3703 | } else { | |
3704 | status = TP_EC_FAN_AUTO; | |
3705 | } | |
3706 | } | |
3707 | ||
3708 | if ((status & | |
3709 | (TP_EC_FAN_AUTO | TP_EC_FAN_FULLSPEED)) != 0) | |
3710 | status = fan_control_desired_level; | |
3711 | ||
3712 | if (status > 7) | |
3713 | status = 7; | |
3714 | ||
3715 | return snprintf(buf, PAGE_SIZE, "%u\n", (status * 255) / 7); | |
3716 | } | |
3717 | ||
3718 | static ssize_t fan_pwm1_store(struct device *dev, | |
3719 | struct device_attribute *attr, | |
3720 | const char *buf, size_t count) | |
3721 | { | |
3722 | unsigned long s; | |
3723 | int rc; | |
3724 | u8 status, newlevel; | |
3725 | ||
3726 | if (parse_strtoul(buf, 255, &s)) | |
3727 | return -EINVAL; | |
3728 | ||
3729 | /* scale down from 0-255 to 0-7 */ | |
3730 | newlevel = (s >> 5) & 0x07; | |
3731 | ||
3732 | rc = mutex_lock_interruptible(&fan_mutex); | |
3733 | if (rc < 0) | |
3734 | return rc; | |
3735 | ||
3736 | rc = fan_get_status(&status); | |
3737 | if (!rc && (status & | |
3738 | (TP_EC_FAN_AUTO | TP_EC_FAN_FULLSPEED)) == 0) { | |
3739 | rc = fan_set_level(newlevel); | |
c573ddb9 HMH |
3740 | if (rc == -ENXIO) |
3741 | rc = -EINVAL; | |
3742 | else if (!rc) { | |
fe98a52c | 3743 | fan_update_desired_level(newlevel); |
ca4ac2f4 HMH |
3744 | fan_watchdog_reset(); |
3745 | } | |
fe98a52c HMH |
3746 | } |
3747 | ||
3748 | mutex_unlock(&fan_mutex); | |
3749 | return (rc)? rc : count; | |
3750 | } | |
3751 | ||
3752 | static struct device_attribute dev_attr_fan_pwm1 = | |
3753 | __ATTR(pwm1, S_IWUSR | S_IRUGO, | |
3754 | fan_pwm1_show, fan_pwm1_store); | |
3755 | ||
3756 | /* sysfs fan fan1_input ------------------------------------------------ */ | |
3757 | static ssize_t fan_fan1_input_show(struct device *dev, | |
3758 | struct device_attribute *attr, | |
3759 | char *buf) | |
3760 | { | |
3761 | int res; | |
3762 | unsigned int speed; | |
3763 | ||
3764 | res = fan_get_speed(&speed); | |
3765 | if (res < 0) | |
3766 | return res; | |
3767 | ||
3768 | return snprintf(buf, PAGE_SIZE, "%u\n", speed); | |
3769 | } | |
3770 | ||
3771 | static struct device_attribute dev_attr_fan_fan1_input = | |
3772 | __ATTR(fan1_input, S_IRUGO, | |
3773 | fan_fan1_input_show, NULL); | |
3774 | ||
7fd40029 | 3775 | /* sysfs fan fan_watchdog (hwmon driver) ------------------------------- */ |
fe98a52c HMH |
3776 | static ssize_t fan_fan_watchdog_show(struct device_driver *drv, |
3777 | char *buf) | |
3778 | { | |
3779 | return snprintf(buf, PAGE_SIZE, "%u\n", fan_watchdog_maxinterval); | |
3780 | } | |
3781 | ||
3782 | static ssize_t fan_fan_watchdog_store(struct device_driver *drv, | |
3783 | const char *buf, size_t count) | |
3784 | { | |
3785 | unsigned long t; | |
3786 | ||
3787 | if (parse_strtoul(buf, 120, &t)) | |
3788 | return -EINVAL; | |
3789 | ||
ecf2a80a HMH |
3790 | if (!fan_control_allowed) |
3791 | return -EPERM; | |
3792 | ||
fe98a52c HMH |
3793 | fan_watchdog_maxinterval = t; |
3794 | fan_watchdog_reset(); | |
3795 | ||
3796 | return count; | |
3797 | } | |
3798 | ||
3799 | static DRIVER_ATTR(fan_watchdog, S_IWUSR | S_IRUGO, | |
3800 | fan_fan_watchdog_show, fan_fan_watchdog_store); | |
3801 | ||
3802 | /* --------------------------------------------------------------------- */ | |
3803 | static struct attribute *fan_attributes[] = { | |
3804 | &dev_attr_fan_pwm1_enable.attr, &dev_attr_fan_pwm1.attr, | |
3805 | &dev_attr_fan_fan1_input.attr, | |
3806 | NULL | |
3807 | }; | |
3808 | ||
3809 | static const struct attribute_group fan_attr_group = { | |
3810 | .attrs = fan_attributes, | |
3811 | }; | |
3812 | ||
a5763f22 | 3813 | static int __init fan_init(struct ibm_init_struct *iibm) |
78f81cc4 | 3814 | { |
fe98a52c HMH |
3815 | int rc; |
3816 | ||
fe08bc4b HMH |
3817 | vdbg_printk(TPACPI_DBG_INIT, "initializing fan subdriver\n"); |
3818 | ||
40ca9fdf | 3819 | mutex_init(&fan_mutex); |
efa27145 HMH |
3820 | fan_status_access_mode = TPACPI_FAN_NONE; |
3821 | fan_control_access_mode = TPACPI_FAN_WR_NONE; | |
69ba91cb | 3822 | fan_control_commands = 0; |
16663a87 | 3823 | fan_watchdog_maxinterval = 0; |
d8fd94d9 | 3824 | tp_features.fan_ctrl_status_undef = 0; |
fe98a52c | 3825 | fan_control_desired_level = 7; |
78f81cc4 | 3826 | |
8d376cd6 HMH |
3827 | IBM_ACPIHANDLE_INIT(fans); |
3828 | IBM_ACPIHANDLE_INIT(gfan); | |
3829 | IBM_ACPIHANDLE_INIT(sfan); | |
5fba344c | 3830 | |
78f81cc4 BD |
3831 | if (gfan_handle) { |
3832 | /* 570, 600e/x, 770e, 770x */ | |
efa27145 | 3833 | fan_status_access_mode = TPACPI_FAN_RD_ACPI_GFAN; |
69ba91cb HMH |
3834 | } else { |
3835 | /* all other ThinkPads: note that even old-style | |
3836 | * ThinkPad ECs supports the fan control register */ | |
778b4d74 HMH |
3837 | if (likely(acpi_ec_read(fan_status_offset, |
3838 | &fan_control_initial_status))) { | |
efa27145 | 3839 | fan_status_access_mode = TPACPI_FAN_RD_TPEC; |
778b4d74 HMH |
3840 | |
3841 | /* In some ThinkPads, neither the EC nor the ACPI | |
3842 | * DSDT initialize the fan status, and it ends up | |
3843 | * being set to 0x07 when it *could* be either | |
3844 | * 0x07 or 0x80. | |
3845 | * | |
3846 | * Enable for TP-1Y (T43), TP-78 (R51e), | |
3847 | * TP-76 (R52), TP-70 (T43, R52), which are known | |
3848 | * to be buggy. */ | |
d5a2f2f1 HMH |
3849 | if (fan_control_initial_status == 0x07) { |
3850 | switch (thinkpad_id.ec_model) { | |
3851 | case 0x5931: /* TP-1Y */ | |
3852 | case 0x3837: /* TP-78 */ | |
3853 | case 0x3637: /* TP-76 */ | |
3854 | case 0x3037: /* TP-70 */ | |
3855 | printk(IBM_NOTICE | |
3856 | "fan_init: initial fan status is " | |
3857 | "unknown, assuming it is in auto " | |
3858 | "mode\n"); | |
3859 | tp_features.fan_ctrl_status_undef = 1; | |
3860 | ;; | |
3861 | } | |
778b4d74 | 3862 | } |
69ba91cb HMH |
3863 | } else { |
3864 | printk(IBM_ERR | |
3865 | "ThinkPad ACPI EC access misbehaving, " | |
3866 | "fan status and control unavailable\n"); | |
5fba344c | 3867 | return 1; |
69ba91cb HMH |
3868 | } |
3869 | } | |
78f81cc4 | 3870 | |
69ba91cb HMH |
3871 | if (sfan_handle) { |
3872 | /* 570, 770x-JL */ | |
efa27145 | 3873 | fan_control_access_mode = TPACPI_FAN_WR_ACPI_SFAN; |
1c6a334e | 3874 | fan_control_commands |= |
efa27145 | 3875 | TPACPI_FAN_CMD_LEVEL | TPACPI_FAN_CMD_ENABLE; |
78f81cc4 | 3876 | } else { |
69ba91cb HMH |
3877 | if (!gfan_handle) { |
3878 | /* gfan without sfan means no fan control */ | |
3879 | /* all other models implement TP EC 0x2f control */ | |
3880 | ||
3881 | if (fans_handle) { | |
a8b7a662 | 3882 | /* X31, X40, X41 */ |
69ba91cb | 3883 | fan_control_access_mode = |
efa27145 | 3884 | TPACPI_FAN_WR_ACPI_FANS; |
69ba91cb | 3885 | fan_control_commands |= |
efa27145 HMH |
3886 | TPACPI_FAN_CMD_SPEED | |
3887 | TPACPI_FAN_CMD_LEVEL | | |
3888 | TPACPI_FAN_CMD_ENABLE; | |
69ba91cb | 3889 | } else { |
efa27145 | 3890 | fan_control_access_mode = TPACPI_FAN_WR_TPEC; |
a12095c2 | 3891 | fan_control_commands |= |
efa27145 HMH |
3892 | TPACPI_FAN_CMD_LEVEL | |
3893 | TPACPI_FAN_CMD_ENABLE; | |
69ba91cb HMH |
3894 | } |
3895 | } | |
3896 | } | |
3897 | ||
fe08bc4b HMH |
3898 | vdbg_printk(TPACPI_DBG_INIT, "fan is %s, modes %d, %d\n", |
3899 | str_supported(fan_status_access_mode != TPACPI_FAN_NONE || | |
3900 | fan_control_access_mode != TPACPI_FAN_WR_NONE), | |
3901 | fan_status_access_mode, fan_control_access_mode); | |
3902 | ||
ecf2a80a HMH |
3903 | /* fan control master switch */ |
3904 | if (!fan_control_allowed) { | |
3905 | fan_control_access_mode = TPACPI_FAN_WR_NONE; | |
3906 | fan_control_commands = 0; | |
3907 | dbg_printk(TPACPI_DBG_INIT, | |
3908 | "fan control features disabled by parameter\n"); | |
3909 | } | |
3910 | ||
fe98a52c HMH |
3911 | /* update fan_control_desired_level */ |
3912 | if (fan_status_access_mode != TPACPI_FAN_NONE) | |
3913 | fan_get_status_safe(NULL); | |
3914 | ||
3915 | if (fan_status_access_mode != TPACPI_FAN_NONE || | |
3916 | fan_control_access_mode != TPACPI_FAN_WR_NONE) { | |
7fd40029 | 3917 | rc = sysfs_create_group(&tpacpi_sensors_pdev->dev.kobj, |
fe98a52c HMH |
3918 | &fan_attr_group); |
3919 | if (!(rc < 0)) | |
7fd40029 | 3920 | rc = driver_create_file(&tpacpi_hwmon_pdriver.driver, |
fe98a52c HMH |
3921 | &driver_attr_fan_watchdog); |
3922 | if (rc < 0) | |
3923 | return rc; | |
3924 | return 0; | |
3925 | } else | |
3926 | return 1; | |
3927 | } | |
3928 | ||
3929 | /* | |
3930 | * Call with fan_mutex held | |
3931 | */ | |
3932 | static void fan_update_desired_level(u8 status) | |
3933 | { | |
3934 | if ((status & | |
3935 | (TP_EC_FAN_AUTO | TP_EC_FAN_FULLSPEED)) == 0) { | |
3936 | if (status > 7) | |
3937 | fan_control_desired_level = 7; | |
3938 | else | |
3939 | fan_control_desired_level = status; | |
3940 | } | |
69ba91cb | 3941 | } |
78f81cc4 | 3942 | |
c52f0aa5 | 3943 | static int fan_get_status(u8 *status) |
78f81cc4 | 3944 | { |
c52f0aa5 | 3945 | u8 s; |
78f81cc4 | 3946 | |
a8b7a662 | 3947 | /* TODO: |
efa27145 | 3948 | * Add TPACPI_FAN_RD_ACPI_FANS ? */ |
a8b7a662 | 3949 | |
3ef8a609 | 3950 | switch (fan_status_access_mode) { |
efa27145 | 3951 | case TPACPI_FAN_RD_ACPI_GFAN: |
78f81cc4 | 3952 | /* 570, 600e/x, 770e, 770x */ |
c52f0aa5 HMH |
3953 | |
3954 | if (unlikely(!acpi_evalf(gfan_handle, &s, NULL, "d"))) | |
1da177e4 | 3955 | return -EIO; |
78f81cc4 | 3956 | |
c52f0aa5 HMH |
3957 | if (likely(status)) |
3958 | *status = s & 0x07; | |
3ef8a609 HMH |
3959 | |
3960 | break; | |
3961 | ||
efa27145 | 3962 | case TPACPI_FAN_RD_TPEC: |
78f81cc4 | 3963 | /* all except 570, 600e/x, 770e, 770x */ |
c52f0aa5 | 3964 | if (unlikely(!acpi_ec_read(fan_status_offset, &s))) |
3ef8a609 | 3965 | return -EIO; |
78f81cc4 | 3966 | |
c52f0aa5 HMH |
3967 | if (likely(status)) |
3968 | *status = s; | |
3969 | ||
3970 | break; | |
3971 | ||
3972 | default: | |
3973 | return -ENXIO; | |
78f81cc4 BD |
3974 | } |
3975 | ||
c52f0aa5 HMH |
3976 | return 0; |
3977 | } | |
3978 | ||
fe98a52c HMH |
3979 | static int fan_get_status_safe(u8 *status) |
3980 | { | |
3981 | int rc; | |
3982 | u8 s; | |
3983 | ||
3984 | rc = mutex_lock_interruptible(&fan_mutex); | |
3985 | if (rc < 0) | |
3986 | return rc; | |
3987 | rc = fan_get_status(&s); | |
3988 | if (!rc) | |
3989 | fan_update_desired_level(s); | |
3990 | mutex_unlock(&fan_mutex); | |
3991 | ||
3992 | if (status) | |
3993 | *status = s; | |
3994 | ||
3995 | return rc; | |
3996 | } | |
3997 | ||
56b6aeb0 HMH |
3998 | static void fan_exit(void) |
3999 | { | |
99fba3f8 | 4000 | vdbg_printk(TPACPI_DBG_EXIT, "cancelling any pending fan watchdog tasks\n"); |
fe98a52c HMH |
4001 | |
4002 | /* FIXME: can we really do this unconditionally? */ | |
7fd40029 HMH |
4003 | sysfs_remove_group(&tpacpi_sensors_pdev->dev.kobj, &fan_attr_group); |
4004 | driver_remove_file(&tpacpi_hwmon_pdriver.driver, &driver_attr_fan_watchdog); | |
fe98a52c | 4005 | |
56b6aeb0 HMH |
4006 | cancel_delayed_work(&fan_watchdog_task); |
4007 | flush_scheduled_work(); | |
4008 | } | |
4009 | ||
c52f0aa5 HMH |
4010 | static int fan_get_speed(unsigned int *speed) |
4011 | { | |
4012 | u8 hi, lo; | |
4013 | ||
4014 | switch (fan_status_access_mode) { | |
efa27145 | 4015 | case TPACPI_FAN_RD_TPEC: |
78f81cc4 | 4016 | /* all except 570, 600e/x, 770e, 770x */ |
3ef8a609 HMH |
4017 | if (unlikely(!acpi_ec_read(fan_rpm_offset, &lo) || |
4018 | !acpi_ec_read(fan_rpm_offset + 1, &hi))) | |
4019 | return -EIO; | |
3ef8a609 | 4020 | |
c52f0aa5 HMH |
4021 | if (likely(speed)) |
4022 | *speed = (hi << 8) | lo; | |
4023 | ||
4024 | break; | |
4025 | ||
4026 | default: | |
4027 | return -ENXIO; | |
4028 | } | |
4029 | ||
4030 | return 0; | |
4031 | } | |
4032 | ||
56b6aeb0 | 4033 | static void fan_watchdog_fire(struct work_struct *ignored) |
16663a87 | 4034 | { |
99fba3f8 HMH |
4035 | int rc; |
4036 | ||
8fef502e HMH |
4037 | if (tpacpi_lifecycle != TPACPI_LIFE_RUNNING) |
4038 | return; | |
4039 | ||
56b6aeb0 | 4040 | printk(IBM_NOTICE "fan watchdog: enabling fan\n"); |
99fba3f8 HMH |
4041 | rc = fan_set_enable(); |
4042 | if (rc < 0) { | |
4043 | printk(IBM_ERR "fan watchdog: error %d while enabling fan, " | |
4044 | "will try again later...\n", -rc); | |
56b6aeb0 HMH |
4045 | /* reschedule for later */ |
4046 | fan_watchdog_reset(); | |
4047 | } | |
16663a87 HMH |
4048 | } |
4049 | ||
4050 | static void fan_watchdog_reset(void) | |
4051 | { | |
94954cc6 | 4052 | static int fan_watchdog_active; |
16663a87 | 4053 | |
4985cd0a HMH |
4054 | if (fan_control_access_mode == TPACPI_FAN_WR_NONE) |
4055 | return; | |
4056 | ||
16663a87 HMH |
4057 | if (fan_watchdog_active) |
4058 | cancel_delayed_work(&fan_watchdog_task); | |
4059 | ||
8fef502e HMH |
4060 | if (fan_watchdog_maxinterval > 0 && |
4061 | tpacpi_lifecycle != TPACPI_LIFE_EXITING) { | |
16663a87 HMH |
4062 | fan_watchdog_active = 1; |
4063 | if (!schedule_delayed_work(&fan_watchdog_task, | |
4064 | msecs_to_jiffies(fan_watchdog_maxinterval | |
4065 | * 1000))) { | |
4066 | printk(IBM_ERR "failed to schedule the fan watchdog, " | |
4067 | "watchdog will not trigger\n"); | |
4068 | } | |
4069 | } else | |
4070 | fan_watchdog_active = 0; | |
4071 | } | |
4072 | ||
18ad7996 | 4073 | static int fan_set_level(int level) |
78f81cc4 | 4074 | { |
ecf2a80a HMH |
4075 | if (!fan_control_allowed) |
4076 | return -EPERM; | |
4077 | ||
18ad7996 | 4078 | switch (fan_control_access_mode) { |
efa27145 | 4079 | case TPACPI_FAN_WR_ACPI_SFAN: |
18ad7996 | 4080 | if (level >= 0 && level <= 7) { |
fe98a52c | 4081 | if (!acpi_evalf(sfan_handle, NULL, NULL, "vd", level)) |
78f81cc4 | 4082 | return -EIO; |
18ad7996 HMH |
4083 | } else |
4084 | return -EINVAL; | |
4085 | break; | |
4086 | ||
efa27145 HMH |
4087 | case TPACPI_FAN_WR_ACPI_FANS: |
4088 | case TPACPI_FAN_WR_TPEC: | |
4089 | if ((level != TP_EC_FAN_AUTO) && | |
4090 | (level != TP_EC_FAN_FULLSPEED) && | |
a12095c2 HMH |
4091 | ((level < 0) || (level > 7))) |
4092 | return -EINVAL; | |
4093 | ||
eaa7571b HMH |
4094 | /* safety net should the EC not support AUTO |
4095 | * or FULLSPEED mode bits and just ignore them */ | |
4096 | if (level & TP_EC_FAN_FULLSPEED) | |
4097 | level |= 7; /* safety min speed 7 */ | |
4098 | else if (level & TP_EC_FAN_FULLSPEED) | |
4099 | level |= 4; /* safety min speed 4 */ | |
4100 | ||
fe98a52c | 4101 | if (!acpi_ec_write(fan_status_offset, level)) |
a12095c2 | 4102 | return -EIO; |
778b4d74 | 4103 | else |
d8fd94d9 | 4104 | tp_features.fan_ctrl_status_undef = 0; |
a12095c2 HMH |
4105 | break; |
4106 | ||
18ad7996 HMH |
4107 | default: |
4108 | return -ENXIO; | |
4109 | } | |
4110 | return 0; | |
4111 | } | |
4112 | ||
fe98a52c HMH |
4113 | static int fan_set_level_safe(int level) |
4114 | { | |
4115 | int rc; | |
4116 | ||
ecf2a80a HMH |
4117 | if (!fan_control_allowed) |
4118 | return -EPERM; | |
4119 | ||
fe98a52c HMH |
4120 | rc = mutex_lock_interruptible(&fan_mutex); |
4121 | if (rc < 0) | |
4122 | return rc; | |
4123 | ||
4124 | if (level == TPACPI_FAN_LAST_LEVEL) | |
4125 | level = fan_control_desired_level; | |
4126 | ||
4127 | rc = fan_set_level(level); | |
4128 | if (!rc) | |
4129 | fan_update_desired_level(level); | |
4130 | ||
4131 | mutex_unlock(&fan_mutex); | |
4132 | return rc; | |
4133 | } | |
4134 | ||
18ad7996 HMH |
4135 | static int fan_set_enable(void) |
4136 | { | |
1c6a334e HMH |
4137 | u8 s; |
4138 | int rc; | |
4139 | ||
ecf2a80a HMH |
4140 | if (!fan_control_allowed) |
4141 | return -EPERM; | |
4142 | ||
40ca9fdf HMH |
4143 | rc = mutex_lock_interruptible(&fan_mutex); |
4144 | if (rc < 0) | |
4145 | return rc; | |
4146 | ||
18ad7996 | 4147 | switch (fan_control_access_mode) { |
efa27145 HMH |
4148 | case TPACPI_FAN_WR_ACPI_FANS: |
4149 | case TPACPI_FAN_WR_TPEC: | |
40ca9fdf HMH |
4150 | rc = fan_get_status(&s); |
4151 | if (rc < 0) | |
4152 | break; | |
1c6a334e HMH |
4153 | |
4154 | /* Don't go out of emergency fan mode */ | |
eaa7571b HMH |
4155 | if (s != 7) { |
4156 | s &= 0x07; | |
4157 | s |= TP_EC_FAN_AUTO | 4; /* min fan speed 4 */ | |
4158 | } | |
1c6a334e HMH |
4159 | |
4160 | if (!acpi_ec_write(fan_status_offset, s)) | |
40ca9fdf HMH |
4161 | rc = -EIO; |
4162 | else { | |
d8fd94d9 | 4163 | tp_features.fan_ctrl_status_undef = 0; |
40ca9fdf HMH |
4164 | rc = 0; |
4165 | } | |
1c6a334e HMH |
4166 | break; |
4167 | ||
efa27145 | 4168 | case TPACPI_FAN_WR_ACPI_SFAN: |
40ca9fdf HMH |
4169 | rc = fan_get_status(&s); |
4170 | if (rc < 0) | |
4171 | break; | |
1c6a334e HMH |
4172 | |
4173 | s &= 0x07; | |
4174 | ||
4175 | /* Set fan to at least level 4 */ | |
eaa7571b | 4176 | s |= 4; |
1c6a334e HMH |
4177 | |
4178 | if (!acpi_evalf(sfan_handle, NULL, NULL, "vd", s)) | |
40ca9fdf HMH |
4179 | rc= -EIO; |
4180 | else | |
4181 | rc = 0; | |
18ad7996 HMH |
4182 | break; |
4183 | ||
4184 | default: | |
40ca9fdf | 4185 | rc = -ENXIO; |
18ad7996 | 4186 | } |
40ca9fdf HMH |
4187 | |
4188 | mutex_unlock(&fan_mutex); | |
4189 | return rc; | |
18ad7996 HMH |
4190 | } |
4191 | ||
4192 | static int fan_set_disable(void) | |
4193 | { | |
40ca9fdf HMH |
4194 | int rc; |
4195 | ||
ecf2a80a HMH |
4196 | if (!fan_control_allowed) |
4197 | return -EPERM; | |
4198 | ||
40ca9fdf HMH |
4199 | rc = mutex_lock_interruptible(&fan_mutex); |
4200 | if (rc < 0) | |
4201 | return rc; | |
4202 | ||
4203 | rc = 0; | |
18ad7996 | 4204 | switch (fan_control_access_mode) { |
efa27145 HMH |
4205 | case TPACPI_FAN_WR_ACPI_FANS: |
4206 | case TPACPI_FAN_WR_TPEC: | |
18ad7996 | 4207 | if (!acpi_ec_write(fan_status_offset, 0x00)) |
40ca9fdf | 4208 | rc = -EIO; |
fe98a52c HMH |
4209 | else { |
4210 | fan_control_desired_level = 0; | |
d8fd94d9 | 4211 | tp_features.fan_ctrl_status_undef = 0; |
fe98a52c | 4212 | } |
18ad7996 HMH |
4213 | break; |
4214 | ||
efa27145 | 4215 | case TPACPI_FAN_WR_ACPI_SFAN: |
1c6a334e | 4216 | if (!acpi_evalf(sfan_handle, NULL, NULL, "vd", 0x00)) |
40ca9fdf | 4217 | rc = -EIO; |
fe98a52c HMH |
4218 | else |
4219 | fan_control_desired_level = 0; | |
1c6a334e HMH |
4220 | break; |
4221 | ||
18ad7996 | 4222 | default: |
40ca9fdf | 4223 | rc = -ENXIO; |
18ad7996 | 4224 | } |
40ca9fdf | 4225 | |
fe98a52c | 4226 | |
40ca9fdf HMH |
4227 | mutex_unlock(&fan_mutex); |
4228 | return rc; | |
56b6aeb0 HMH |
4229 | } |
4230 | ||
4231 | static int fan_set_speed(int speed) | |
4232 | { | |
40ca9fdf HMH |
4233 | int rc; |
4234 | ||
ecf2a80a HMH |
4235 | if (!fan_control_allowed) |
4236 | return -EPERM; | |
4237 | ||
40ca9fdf HMH |
4238 | rc = mutex_lock_interruptible(&fan_mutex); |
4239 | if (rc < 0) | |
4240 | return rc; | |
4241 | ||
4242 | rc = 0; | |
56b6aeb0 | 4243 | switch (fan_control_access_mode) { |
efa27145 | 4244 | case TPACPI_FAN_WR_ACPI_FANS: |
56b6aeb0 HMH |
4245 | if (speed >= 0 && speed <= 65535) { |
4246 | if (!acpi_evalf(fans_handle, NULL, NULL, "vddd", | |
4247 | speed, speed, speed)) | |
40ca9fdf | 4248 | rc = -EIO; |
56b6aeb0 | 4249 | } else |
40ca9fdf | 4250 | rc = -EINVAL; |
56b6aeb0 HMH |
4251 | break; |
4252 | ||
4253 | default: | |
40ca9fdf | 4254 | rc = -ENXIO; |
56b6aeb0 | 4255 | } |
40ca9fdf HMH |
4256 | |
4257 | mutex_unlock(&fan_mutex); | |
4258 | return rc; | |
56b6aeb0 HMH |
4259 | } |
4260 | ||
4261 | static int fan_read(char *p) | |
4262 | { | |
4263 | int len = 0; | |
4264 | int rc; | |
4265 | u8 status; | |
4266 | unsigned int speed = 0; | |
4267 | ||
4268 | switch (fan_status_access_mode) { | |
efa27145 | 4269 | case TPACPI_FAN_RD_ACPI_GFAN: |
56b6aeb0 | 4270 | /* 570, 600e/x, 770e, 770x */ |
fe98a52c | 4271 | if ((rc = fan_get_status_safe(&status)) < 0) |
56b6aeb0 HMH |
4272 | return rc; |
4273 | ||
4274 | len += sprintf(p + len, "status:\t\t%s\n" | |
4275 | "level:\t\t%d\n", | |
4276 | (status != 0) ? "enabled" : "disabled", status); | |
4277 | break; | |
4278 | ||
efa27145 | 4279 | case TPACPI_FAN_RD_TPEC: |
56b6aeb0 | 4280 | /* all except 570, 600e/x, 770e, 770x */ |
fe98a52c | 4281 | if ((rc = fan_get_status_safe(&status)) < 0) |
56b6aeb0 HMH |
4282 | return rc; |
4283 | ||
d8fd94d9 | 4284 | if (unlikely(tp_features.fan_ctrl_status_undef)) { |
56b6aeb0 | 4285 | if (status != fan_control_initial_status) |
d8fd94d9 | 4286 | tp_features.fan_ctrl_status_undef = 0; |
56b6aeb0 HMH |
4287 | else |
4288 | /* Return most likely status. In fact, it | |
4289 | * might be the only possible status */ | |
efa27145 | 4290 | status = TP_EC_FAN_AUTO; |
56b6aeb0 HMH |
4291 | } |
4292 | ||
4293 | len += sprintf(p + len, "status:\t\t%s\n", | |
4294 | (status != 0) ? "enabled" : "disabled"); | |
4295 | ||
56b6aeb0 HMH |
4296 | if ((rc = fan_get_speed(&speed)) < 0) |
4297 | return rc; | |
4298 | ||
4299 | len += sprintf(p + len, "speed:\t\t%d\n", speed); | |
4300 | ||
efa27145 | 4301 | if (status & TP_EC_FAN_FULLSPEED) |
56b6aeb0 HMH |
4302 | /* Disengaged mode takes precedence */ |
4303 | len += sprintf(p + len, "level:\t\tdisengaged\n"); | |
efa27145 | 4304 | else if (status & TP_EC_FAN_AUTO) |
56b6aeb0 HMH |
4305 | len += sprintf(p + len, "level:\t\tauto\n"); |
4306 | else | |
4307 | len += sprintf(p + len, "level:\t\t%d\n", status); | |
4308 | break; | |
4309 | ||
efa27145 | 4310 | case TPACPI_FAN_NONE: |
56b6aeb0 HMH |
4311 | default: |
4312 | len += sprintf(p + len, "status:\t\tnot supported\n"); | |
4313 | } | |
4314 | ||
efa27145 | 4315 | if (fan_control_commands & TPACPI_FAN_CMD_LEVEL) { |
56b6aeb0 HMH |
4316 | len += sprintf(p + len, "commands:\tlevel <level>"); |
4317 | ||
4318 | switch (fan_control_access_mode) { | |
efa27145 | 4319 | case TPACPI_FAN_WR_ACPI_SFAN: |
56b6aeb0 HMH |
4320 | len += sprintf(p + len, " (<level> is 0-7)\n"); |
4321 | break; | |
4322 | ||
4323 | default: | |
4324 | len += sprintf(p + len, " (<level> is 0-7, " | |
fe98a52c | 4325 | "auto, disengaged, full-speed)\n"); |
56b6aeb0 HMH |
4326 | break; |
4327 | } | |
4328 | } | |
18ad7996 | 4329 | |
efa27145 | 4330 | if (fan_control_commands & TPACPI_FAN_CMD_ENABLE) |
56b6aeb0 HMH |
4331 | len += sprintf(p + len, "commands:\tenable, disable\n" |
4332 | "commands:\twatchdog <timeout> (<timeout> is 0 (off), " | |
4333 | "1-120 (seconds))\n"); | |
1da177e4 | 4334 | |
efa27145 | 4335 | if (fan_control_commands & TPACPI_FAN_CMD_SPEED) |
56b6aeb0 HMH |
4336 | len += sprintf(p + len, "commands:\tspeed <speed>" |
4337 | " (<speed> is 0-65535)\n"); | |
4338 | ||
4339 | return len; | |
78f81cc4 BD |
4340 | } |
4341 | ||
18ad7996 HMH |
4342 | static int fan_write_cmd_level(const char *cmd, int *rc) |
4343 | { | |
4344 | int level; | |
4345 | ||
a12095c2 | 4346 | if (strlencmp(cmd, "level auto") == 0) |
efa27145 | 4347 | level = TP_EC_FAN_AUTO; |
fe98a52c HMH |
4348 | else if ((strlencmp(cmd, "level disengaged") == 0) | |
4349 | (strlencmp(cmd, "level full-speed") == 0)) | |
efa27145 | 4350 | level = TP_EC_FAN_FULLSPEED; |
a12095c2 | 4351 | else if (sscanf(cmd, "level %d", &level) != 1) |
18ad7996 HMH |
4352 | return 0; |
4353 | ||
fe98a52c | 4354 | if ((*rc = fan_set_level_safe(level)) == -ENXIO) |
18ad7996 HMH |
4355 | printk(IBM_ERR "level command accepted for unsupported " |
4356 | "access mode %d", fan_control_access_mode); | |
4357 | ||
4358 | return 1; | |
4359 | } | |
4360 | ||
4361 | static int fan_write_cmd_enable(const char *cmd, int *rc) | |
4362 | { | |
4363 | if (strlencmp(cmd, "enable") != 0) | |
4364 | return 0; | |
4365 | ||
4366 | if ((*rc = fan_set_enable()) == -ENXIO) | |
4367 | printk(IBM_ERR "enable command accepted for unsupported " | |
4368 | "access mode %d", fan_control_access_mode); | |
4369 | ||
4370 | return 1; | |
4371 | } | |
4372 | ||
4373 | static int fan_write_cmd_disable(const char *cmd, int *rc) | |
4374 | { | |
4375 | if (strlencmp(cmd, "disable") != 0) | |
4376 | return 0; | |
4377 | ||
4378 | if ((*rc = fan_set_disable()) == -ENXIO) | |
4379 | printk(IBM_ERR "disable command accepted for unsupported " | |
4380 | "access mode %d", fan_control_access_mode); | |
4381 | ||
4382 | return 1; | |
4383 | } | |
4384 | ||
4385 | static int fan_write_cmd_speed(const char *cmd, int *rc) | |
4386 | { | |
4387 | int speed; | |
4388 | ||
a8b7a662 HMH |
4389 | /* TODO: |
4390 | * Support speed <low> <medium> <high> ? */ | |
4391 | ||
18ad7996 HMH |
4392 | if (sscanf(cmd, "speed %d", &speed) != 1) |
4393 | return 0; | |
4394 | ||
4395 | if ((*rc = fan_set_speed(speed)) == -ENXIO) | |
4396 | printk(IBM_ERR "speed command accepted for unsupported " | |
4397 | "access mode %d", fan_control_access_mode); | |
4398 | ||
4399 | return 1; | |
4400 | } | |
4401 | ||
16663a87 HMH |
4402 | static int fan_write_cmd_watchdog(const char *cmd, int *rc) |
4403 | { | |
4404 | int interval; | |
4405 | ||
4406 | if (sscanf(cmd, "watchdog %d", &interval) != 1) | |
4407 | return 0; | |
4408 | ||
4409 | if (interval < 0 || interval > 120) | |
4410 | *rc = -EINVAL; | |
4411 | else | |
4412 | fan_watchdog_maxinterval = interval; | |
4413 | ||
4414 | return 1; | |
4415 | } | |
4416 | ||
18ad7996 HMH |
4417 | static int fan_write(char *buf) |
4418 | { | |
4419 | char *cmd; | |
4420 | int rc = 0; | |
4421 | ||
4422 | while (!rc && (cmd = next_cmd(&buf))) { | |
efa27145 | 4423 | if (!((fan_control_commands & TPACPI_FAN_CMD_LEVEL) && |
18ad7996 | 4424 | fan_write_cmd_level(cmd, &rc)) && |
efa27145 | 4425 | !((fan_control_commands & TPACPI_FAN_CMD_ENABLE) && |
18ad7996 | 4426 | (fan_write_cmd_enable(cmd, &rc) || |
16663a87 HMH |
4427 | fan_write_cmd_disable(cmd, &rc) || |
4428 | fan_write_cmd_watchdog(cmd, &rc))) && | |
efa27145 | 4429 | !((fan_control_commands & TPACPI_FAN_CMD_SPEED) && |
18ad7996 HMH |
4430 | fan_write_cmd_speed(cmd, &rc)) |
4431 | ) | |
4432 | rc = -EINVAL; | |
16663a87 HMH |
4433 | else if (!rc) |
4434 | fan_watchdog_reset(); | |
18ad7996 HMH |
4435 | } |
4436 | ||
4437 | return rc; | |
4438 | } | |
4439 | ||
a5763f22 HMH |
4440 | static struct ibm_struct fan_driver_data = { |
4441 | .name = "fan", | |
4442 | .read = fan_read, | |
4443 | .write = fan_write, | |
4444 | .exit = fan_exit, | |
a5763f22 HMH |
4445 | }; |
4446 | ||
56b6aeb0 HMH |
4447 | /**************************************************************************** |
4448 | **************************************************************************** | |
4449 | * | |
4450 | * Infrastructure | |
4451 | * | |
4452 | **************************************************************************** | |
4453 | ****************************************************************************/ | |
4454 | ||
7fd40029 HMH |
4455 | /* sysfs name ---------------------------------------------------------- */ |
4456 | static ssize_t thinkpad_acpi_pdev_name_show(struct device *dev, | |
4457 | struct device_attribute *attr, | |
4458 | char *buf) | |
4459 | { | |
4460 | return snprintf(buf, PAGE_SIZE, "%s\n", IBM_NAME); | |
4461 | } | |
4462 | ||
4463 | static struct device_attribute dev_attr_thinkpad_acpi_pdev_name = | |
4464 | __ATTR(name, S_IRUGO, thinkpad_acpi_pdev_name_show, NULL); | |
4465 | ||
4466 | /* --------------------------------------------------------------------- */ | |
4467 | ||
56b6aeb0 | 4468 | /* /proc support */ |
94954cc6 | 4469 | static struct proc_dir_entry *proc_dir; |
16663a87 | 4470 | |
56b6aeb0 | 4471 | /* Subdriver registry */ |
a5763f22 HMH |
4472 | static LIST_HEAD(tpacpi_all_drivers); |
4473 | ||
1da177e4 | 4474 | |
56b6aeb0 HMH |
4475 | /* |
4476 | * Module and infrastructure proble, init and exit handling | |
4477 | */ | |
1da177e4 | 4478 | |
fe08bc4b | 4479 | #ifdef CONFIG_THINKPAD_ACPI_DEBUG |
a5763f22 | 4480 | static const char * __init str_supported(int is_supported) |
fe08bc4b | 4481 | { |
a5763f22 | 4482 | static char text_unsupported[] __initdata = "not supported"; |
fe08bc4b | 4483 | |
a5763f22 | 4484 | return (is_supported)? &text_unsupported[4] : &text_unsupported[0]; |
fe08bc4b HMH |
4485 | } |
4486 | #endif /* CONFIG_THINKPAD_ACPI_DEBUG */ | |
4487 | ||
a5763f22 | 4488 | static int __init ibm_init(struct ibm_init_struct *iibm) |
1da177e4 LT |
4489 | { |
4490 | int ret; | |
a5763f22 | 4491 | struct ibm_struct *ibm = iibm->data; |
1da177e4 LT |
4492 | struct proc_dir_entry *entry; |
4493 | ||
a5763f22 HMH |
4494 | BUG_ON(ibm == NULL); |
4495 | ||
4496 | INIT_LIST_HEAD(&ibm->all_drivers); | |
4497 | ||
92641177 | 4498 | if (ibm->flags.experimental && !experimental) |
1da177e4 LT |
4499 | return 0; |
4500 | ||
fe08bc4b HMH |
4501 | dbg_printk(TPACPI_DBG_INIT, |
4502 | "probing for %s\n", ibm->name); | |
4503 | ||
a5763f22 HMH |
4504 | if (iibm->init) { |
4505 | ret = iibm->init(iibm); | |
5fba344c HMH |
4506 | if (ret > 0) |
4507 | return 0; /* probe failed */ | |
4508 | if (ret) | |
1da177e4 | 4509 | return ret; |
a5763f22 | 4510 | |
92641177 | 4511 | ibm->flags.init_called = 1; |
1da177e4 LT |
4512 | } |
4513 | ||
8d376cd6 HMH |
4514 | if (ibm->acpi) { |
4515 | if (ibm->acpi->hid) { | |
4516 | ret = register_tpacpi_subdriver(ibm); | |
4517 | if (ret) | |
4518 | goto err_out; | |
4519 | } | |
5fba344c | 4520 | |
8d376cd6 HMH |
4521 | if (ibm->acpi->notify) { |
4522 | ret = setup_acpi_notify(ibm); | |
4523 | if (ret == -ENODEV) { | |
4524 | printk(IBM_NOTICE "disabling subdriver %s\n", | |
4525 | ibm->name); | |
4526 | ret = 0; | |
4527 | goto err_out; | |
4528 | } | |
4529 | if (ret < 0) | |
4530 | goto err_out; | |
5fba344c | 4531 | } |
5fba344c HMH |
4532 | } |
4533 | ||
fe08bc4b HMH |
4534 | dbg_printk(TPACPI_DBG_INIT, |
4535 | "%s installed\n", ibm->name); | |
4536 | ||
78f81cc4 BD |
4537 | if (ibm->read) { |
4538 | entry = create_proc_entry(ibm->name, | |
4539 | S_IFREG | S_IRUGO | S_IWUSR, | |
4540 | proc_dir); | |
4541 | if (!entry) { | |
4542 | printk(IBM_ERR "unable to create proc entry %s\n", | |
4543 | ibm->name); | |
5fba344c HMH |
4544 | ret = -ENODEV; |
4545 | goto err_out; | |
78f81cc4 BD |
4546 | } |
4547 | entry->owner = THIS_MODULE; | |
4548 | entry->data = ibm; | |
8d376cd6 | 4549 | entry->read_proc = &dispatch_procfs_read; |
78f81cc4 | 4550 | if (ibm->write) |
8d376cd6 | 4551 | entry->write_proc = &dispatch_procfs_write; |
92641177 | 4552 | ibm->flags.proc_created = 1; |
78f81cc4 | 4553 | } |
1da177e4 | 4554 | |
a5763f22 HMH |
4555 | list_add_tail(&ibm->all_drivers, &tpacpi_all_drivers); |
4556 | ||
1da177e4 | 4557 | return 0; |
5fba344c HMH |
4558 | |
4559 | err_out: | |
fe08bc4b HMH |
4560 | dbg_printk(TPACPI_DBG_INIT, |
4561 | "%s: at error exit path with result %d\n", | |
4562 | ibm->name, ret); | |
4563 | ||
5fba344c HMH |
4564 | ibm_exit(ibm); |
4565 | return (ret < 0)? ret : 0; | |
1da177e4 LT |
4566 | } |
4567 | ||
4568 | static void ibm_exit(struct ibm_struct *ibm) | |
4569 | { | |
fe08bc4b | 4570 | dbg_printk(TPACPI_DBG_EXIT, "removing %s\n", ibm->name); |
a5763f22 HMH |
4571 | |
4572 | list_del_init(&ibm->all_drivers); | |
4573 | ||
8d376cd6 | 4574 | if (ibm->flags.acpi_notify_installed) { |
fe08bc4b HMH |
4575 | dbg_printk(TPACPI_DBG_EXIT, |
4576 | "%s: acpi_remove_notify_handler\n", ibm->name); | |
8d376cd6 HMH |
4577 | BUG_ON(!ibm->acpi); |
4578 | acpi_remove_notify_handler(*ibm->acpi->handle, | |
4579 | ibm->acpi->type, | |
4580 | dispatch_acpi_notify); | |
4581 | ibm->flags.acpi_notify_installed = 0; | |
4582 | ibm->flags.acpi_notify_installed = 0; | |
5fba344c | 4583 | } |
1da177e4 | 4584 | |
92641177 | 4585 | if (ibm->flags.proc_created) { |
fe08bc4b HMH |
4586 | dbg_printk(TPACPI_DBG_EXIT, |
4587 | "%s: remove_proc_entry\n", ibm->name); | |
1da177e4 | 4588 | remove_proc_entry(ibm->name, proc_dir); |
92641177 | 4589 | ibm->flags.proc_created = 0; |
5fba344c | 4590 | } |
1da177e4 | 4591 | |
8d376cd6 | 4592 | if (ibm->flags.acpi_driver_registered) { |
fe08bc4b HMH |
4593 | dbg_printk(TPACPI_DBG_EXIT, |
4594 | "%s: acpi_bus_unregister_driver\n", ibm->name); | |
8d376cd6 HMH |
4595 | BUG_ON(!ibm->acpi); |
4596 | acpi_bus_unregister_driver(ibm->acpi->driver); | |
4597 | kfree(ibm->acpi->driver); | |
4598 | ibm->acpi->driver = NULL; | |
4599 | ibm->flags.acpi_driver_registered = 0; | |
5fba344c HMH |
4600 | } |
4601 | ||
92641177 | 4602 | if (ibm->flags.init_called && ibm->exit) { |
5fba344c | 4603 | ibm->exit(); |
92641177 | 4604 | ibm->flags.init_called = 0; |
1da177e4 | 4605 | } |
a5763f22 HMH |
4606 | |
4607 | dbg_printk(TPACPI_DBG_INIT, "finished removing %s\n", ibm->name); | |
1da177e4 LT |
4608 | } |
4609 | ||
56b6aeb0 HMH |
4610 | /* Probing */ |
4611 | ||
d5a2f2f1 | 4612 | static void __init get_thinkpad_model_data(struct thinkpad_id_data *tp) |
1da177e4 | 4613 | { |
1855256c | 4614 | const struct dmi_device *dev = NULL; |
56b6aeb0 | 4615 | char ec_fw_string[18]; |
1da177e4 | 4616 | |
d5a2f2f1 HMH |
4617 | if (!tp) |
4618 | return; | |
4619 | ||
4620 | memset(tp, 0, sizeof(*tp)); | |
4621 | ||
4622 | if (dmi_name_in_vendors("IBM")) | |
4623 | tp->vendor = PCI_VENDOR_ID_IBM; | |
4624 | else if (dmi_name_in_vendors("LENOVO")) | |
4625 | tp->vendor = PCI_VENDOR_ID_LENOVO; | |
4626 | else | |
4627 | return; | |
4628 | ||
4629 | tp->bios_version_str = kstrdup(dmi_get_system_info(DMI_BIOS_VERSION), | |
4630 | GFP_KERNEL); | |
4631 | if (!tp->bios_version_str) | |
4632 | return; | |
4633 | tp->bios_model = tp->bios_version_str[0] | |
4634 | | (tp->bios_version_str[1] << 8); | |
4635 | ||
56b6aeb0 HMH |
4636 | /* |
4637 | * ThinkPad T23 or newer, A31 or newer, R50e or newer, | |
4638 | * X32 or newer, all Z series; Some models must have an | |
4639 | * up-to-date BIOS or they will not be detected. | |
4640 | * | |
4641 | * See http://thinkwiki.org/wiki/List_of_DMI_IDs | |
4642 | */ | |
4643 | while ((dev = dmi_find_device(DMI_DEV_TYPE_OEM_STRING, NULL, dev))) { | |
4644 | if (sscanf(dev->name, | |
4645 | "IBM ThinkPad Embedded Controller -[%17c", | |
4646 | ec_fw_string) == 1) { | |
4647 | ec_fw_string[sizeof(ec_fw_string) - 1] = 0; | |
4648 | ec_fw_string[strcspn(ec_fw_string, " ]")] = 0; | |
d5a2f2f1 HMH |
4649 | |
4650 | tp->ec_version_str = kstrdup(ec_fw_string, GFP_KERNEL); | |
4651 | tp->ec_model = ec_fw_string[0] | |
4652 | | (ec_fw_string[1] << 8); | |
4653 | break; | |
78f81cc4 | 4654 | } |
1da177e4 | 4655 | } |
d5a2f2f1 HMH |
4656 | |
4657 | tp->model_str = kstrdup(dmi_get_system_info(DMI_PRODUCT_VERSION), | |
4658 | GFP_KERNEL); | |
4659 | if (strnicmp(tp->model_str, "ThinkPad", 8) != 0) { | |
4660 | kfree(tp->model_str); | |
4661 | tp->model_str = NULL; | |
4662 | } | |
1da177e4 LT |
4663 | } |
4664 | ||
5fba344c HMH |
4665 | static int __init probe_for_thinkpad(void) |
4666 | { | |
4667 | int is_thinkpad; | |
4668 | ||
4669 | if (acpi_disabled) | |
4670 | return -ENODEV; | |
4671 | ||
4672 | /* | |
4673 | * Non-ancient models have better DMI tagging, but very old models | |
4674 | * don't. | |
4675 | */ | |
d5a2f2f1 | 4676 | is_thinkpad = (thinkpad_id.model_str != NULL); |
5fba344c HMH |
4677 | |
4678 | /* ec is required because many other handles are relative to it */ | |
8d376cd6 | 4679 | IBM_ACPIHANDLE_INIT(ec); |
5fba344c HMH |
4680 | if (!ec_handle) { |
4681 | if (is_thinkpad) | |
4682 | printk(IBM_ERR | |
4683 | "Not yet supported ThinkPad detected!\n"); | |
4684 | return -ENODEV; | |
4685 | } | |
4686 | ||
0dcef77c HMH |
4687 | /* |
4688 | * Risks a regression on very old machines, but reduces potential | |
4689 | * false positives a damn great deal | |
4690 | */ | |
4691 | if (!is_thinkpad) | |
d5a2f2f1 | 4692 | is_thinkpad = (thinkpad_id.vendor == PCI_VENDOR_ID_IBM); |
0dcef77c HMH |
4693 | |
4694 | if (!is_thinkpad && !force_load) | |
4695 | return -ENODEV; | |
4696 | ||
5fba344c HMH |
4697 | return 0; |
4698 | } | |
4699 | ||
4700 | ||
56b6aeb0 | 4701 | /* Module init, exit, parameters */ |
1da177e4 | 4702 | |
a5763f22 HMH |
4703 | static struct ibm_init_struct ibms_init[] __initdata = { |
4704 | { | |
4705 | .init = thinkpad_acpi_driver_init, | |
4706 | .data = &thinkpad_acpi_driver_data, | |
4707 | }, | |
4708 | { | |
4709 | .init = hotkey_init, | |
4710 | .data = &hotkey_driver_data, | |
4711 | }, | |
4712 | { | |
4713 | .init = bluetooth_init, | |
4714 | .data = &bluetooth_driver_data, | |
4715 | }, | |
4716 | { | |
4717 | .init = wan_init, | |
4718 | .data = &wan_driver_data, | |
4719 | }, | |
4720 | { | |
4721 | .init = video_init, | |
4722 | .data = &video_driver_data, | |
4723 | }, | |
4724 | { | |
4725 | .init = light_init, | |
4726 | .data = &light_driver_data, | |
4727 | }, | |
4728 | #ifdef CONFIG_THINKPAD_ACPI_DOCK | |
4729 | { | |
4730 | .init = dock_init, | |
4731 | .data = &dock_driver_data[0], | |
4732 | }, | |
4733 | { | |
d94a7f16 | 4734 | .init = dock_init2, |
a5763f22 HMH |
4735 | .data = &dock_driver_data[1], |
4736 | }, | |
4737 | #endif | |
4738 | #ifdef CONFIG_THINKPAD_ACPI_BAY | |
4739 | { | |
4740 | .init = bay_init, | |
4741 | .data = &bay_driver_data, | |
4742 | }, | |
4743 | #endif | |
4744 | { | |
4745 | .init = cmos_init, | |
4746 | .data = &cmos_driver_data, | |
4747 | }, | |
4748 | { | |
4749 | .init = led_init, | |
4750 | .data = &led_driver_data, | |
4751 | }, | |
4752 | { | |
4753 | .init = beep_init, | |
4754 | .data = &beep_driver_data, | |
4755 | }, | |
4756 | { | |
4757 | .init = thermal_init, | |
4758 | .data = &thermal_driver_data, | |
4759 | }, | |
4760 | { | |
4761 | .data = &ecdump_driver_data, | |
4762 | }, | |
4763 | { | |
4764 | .init = brightness_init, | |
4765 | .data = &brightness_driver_data, | |
4766 | }, | |
4767 | { | |
4768 | .data = &volume_driver_data, | |
4769 | }, | |
4770 | { | |
4771 | .init = fan_init, | |
4772 | .data = &fan_driver_data, | |
4773 | }, | |
4774 | }; | |
4775 | ||
3945ac36 | 4776 | static int __init set_ibm_param(const char *val, struct kernel_param *kp) |
1da177e4 LT |
4777 | { |
4778 | unsigned int i; | |
a5763f22 | 4779 | struct ibm_struct *ibm; |
1da177e4 | 4780 | |
a5763f22 HMH |
4781 | for (i = 0; i < ARRAY_SIZE(ibms_init); i++) { |
4782 | ibm = ibms_init[i].data; | |
4783 | BUG_ON(ibm == NULL); | |
4784 | ||
4785 | if (strcmp(ibm->name, kp->name) == 0 && ibm->write) { | |
4786 | if (strlen(val) > sizeof(ibms_init[i].param) - 2) | |
78f81cc4 | 4787 | return -ENOSPC; |
a5763f22 HMH |
4788 | strcpy(ibms_init[i].param, val); |
4789 | strcat(ibms_init[i].param, ","); | |
78f81cc4 BD |
4790 | return 0; |
4791 | } | |
a5763f22 | 4792 | } |
1da177e4 | 4793 | |
1da177e4 LT |
4794 | return -EINVAL; |
4795 | } | |
4796 | ||
56b6aeb0 HMH |
4797 | static int experimental; |
4798 | module_param(experimental, int, 0); | |
4799 | ||
132ce091 HMH |
4800 | static u32 dbg_level; |
4801 | module_param_named(debug, dbg_level, uint, 0); | |
4802 | ||
0dcef77c | 4803 | static int force_load; |
86cc9445 | 4804 | module_param(force_load, bool, 0); |
0dcef77c | 4805 | |
ecf2a80a | 4806 | static int fan_control_allowed; |
86cc9445 | 4807 | module_param_named(fan_control, fan_control_allowed, bool, 0); |
ecf2a80a | 4808 | |
24d3b774 HMH |
4809 | static int brightness_mode; |
4810 | module_param_named(brightness_mode, brightness_mode, int, 0); | |
4811 | ||
87cc537a HMH |
4812 | static unsigned int brightness_enable = 2; /* 2 = auto, 0 = no, 1 = yes */ |
4813 | module_param(brightness_enable, uint, 0); | |
4814 | ||
ff80f137 HMH |
4815 | static unsigned int hotkey_report_mode; |
4816 | module_param(hotkey_report_mode, uint, 0); | |
4817 | ||
1da177e4 LT |
4818 | #define IBM_PARAM(feature) \ |
4819 | module_param_call(feature, set_ibm_param, NULL, NULL, 0) | |
4820 | ||
78f81cc4 BD |
4821 | IBM_PARAM(hotkey); |
4822 | IBM_PARAM(bluetooth); | |
4823 | IBM_PARAM(video); | |
4824 | IBM_PARAM(light); | |
85998248 | 4825 | #ifdef CONFIG_THINKPAD_ACPI_DOCK |
78f81cc4 | 4826 | IBM_PARAM(dock); |
63e5f248 | 4827 | #endif |
85998248 | 4828 | #ifdef CONFIG_THINKPAD_ACPI_BAY |
78f81cc4 | 4829 | IBM_PARAM(bay); |
85998248 | 4830 | #endif /* CONFIG_THINKPAD_ACPI_BAY */ |
78f81cc4 BD |
4831 | IBM_PARAM(cmos); |
4832 | IBM_PARAM(led); | |
4833 | IBM_PARAM(beep); | |
4834 | IBM_PARAM(ecdump); | |
4835 | IBM_PARAM(brightness); | |
4836 | IBM_PARAM(volume); | |
4837 | IBM_PARAM(fan); | |
4838 | ||
1def7115 | 4839 | static int __init thinkpad_acpi_module_init(void) |
1da177e4 LT |
4840 | { |
4841 | int ret, i; | |
4842 | ||
8fef502e HMH |
4843 | tpacpi_lifecycle = TPACPI_LIFE_INIT; |
4844 | ||
ff80f137 HMH |
4845 | /* Parameter checking */ |
4846 | if (hotkey_report_mode > 2) | |
4847 | return -EINVAL; | |
4848 | ||
54ae1501 | 4849 | /* Driver-level probe */ |
d5a2f2f1 HMH |
4850 | |
4851 | get_thinkpad_model_data(&thinkpad_id); | |
5fba344c | 4852 | ret = probe_for_thinkpad(); |
d5a2f2f1 HMH |
4853 | if (ret) { |
4854 | thinkpad_acpi_module_exit(); | |
5fba344c | 4855 | return ret; |
d5a2f2f1 | 4856 | } |
1da177e4 | 4857 | |
54ae1501 | 4858 | /* Driver initialization */ |
d5a2f2f1 | 4859 | |
8d376cd6 HMH |
4860 | IBM_ACPIHANDLE_INIT(ecrd); |
4861 | IBM_ACPIHANDLE_INIT(ecwr); | |
1da177e4 | 4862 | |
8d376cd6 | 4863 | proc_dir = proc_mkdir(IBM_PROC_DIR, acpi_root_dir); |
1da177e4 | 4864 | if (!proc_dir) { |
8d376cd6 | 4865 | printk(IBM_ERR "unable to create proc dir " IBM_PROC_DIR); |
1def7115 | 4866 | thinkpad_acpi_module_exit(); |
1da177e4 LT |
4867 | return -ENODEV; |
4868 | } | |
4869 | proc_dir->owner = THIS_MODULE; | |
78f81cc4 | 4870 | |
54ae1501 HMH |
4871 | ret = platform_driver_register(&tpacpi_pdriver); |
4872 | if (ret) { | |
7fd40029 | 4873 | printk(IBM_ERR "unable to register main platform driver\n"); |
54ae1501 HMH |
4874 | thinkpad_acpi_module_exit(); |
4875 | return ret; | |
4876 | } | |
ac36393d HMH |
4877 | tp_features.platform_drv_registered = 1; |
4878 | ||
7fd40029 HMH |
4879 | ret = platform_driver_register(&tpacpi_hwmon_pdriver); |
4880 | if (ret) { | |
4881 | printk(IBM_ERR "unable to register hwmon platform driver\n"); | |
4882 | thinkpad_acpi_module_exit(); | |
4883 | return ret; | |
4884 | } | |
4885 | tp_features.sensors_pdrv_registered = 1; | |
4886 | ||
176750d6 | 4887 | ret = tpacpi_create_driver_attributes(&tpacpi_pdriver.driver); |
2369cc94 HMH |
4888 | if (!ret) { |
4889 | tp_features.platform_drv_attrs_registered = 1; | |
4890 | ret = tpacpi_create_driver_attributes(&tpacpi_hwmon_pdriver.driver); | |
4891 | } | |
176750d6 HMH |
4892 | if (ret) { |
4893 | printk(IBM_ERR "unable to create sysfs driver attributes\n"); | |
4894 | thinkpad_acpi_module_exit(); | |
4895 | return ret; | |
4896 | } | |
2369cc94 | 4897 | tp_features.sensors_pdrv_attrs_registered = 1; |
176750d6 | 4898 | |
54ae1501 HMH |
4899 | |
4900 | /* Device initialization */ | |
4901 | tpacpi_pdev = platform_device_register_simple(IBM_DRVR_NAME, -1, | |
4902 | NULL, 0); | |
4903 | if (IS_ERR(tpacpi_pdev)) { | |
4904 | ret = PTR_ERR(tpacpi_pdev); | |
4905 | tpacpi_pdev = NULL; | |
4906 | printk(IBM_ERR "unable to register platform device\n"); | |
4907 | thinkpad_acpi_module_exit(); | |
4908 | return ret; | |
4909 | } | |
7fd40029 HMH |
4910 | tpacpi_sensors_pdev = platform_device_register_simple( |
4911 | IBM_HWMON_DRVR_NAME, | |
4912 | -1, NULL, 0); | |
4913 | if (IS_ERR(tpacpi_sensors_pdev)) { | |
4914 | ret = PTR_ERR(tpacpi_sensors_pdev); | |
4915 | tpacpi_sensors_pdev = NULL; | |
4916 | printk(IBM_ERR "unable to register hwmon platform device\n"); | |
4917 | thinkpad_acpi_module_exit(); | |
4918 | return ret; | |
4919 | } | |
4920 | ret = device_create_file(&tpacpi_sensors_pdev->dev, | |
4921 | &dev_attr_thinkpad_acpi_pdev_name); | |
4922 | if (ret) { | |
4923 | printk(IBM_ERR | |
4924 | "unable to create sysfs hwmon device attributes\n"); | |
4925 | thinkpad_acpi_module_exit(); | |
4926 | return ret; | |
4927 | } | |
4928 | tp_features.sensors_pdev_attrs_registered = 1; | |
4929 | tpacpi_hwmon = hwmon_device_register(&tpacpi_sensors_pdev->dev); | |
54ae1501 HMH |
4930 | if (IS_ERR(tpacpi_hwmon)) { |
4931 | ret = PTR_ERR(tpacpi_hwmon); | |
4932 | tpacpi_hwmon = NULL; | |
4933 | printk(IBM_ERR "unable to register hwmon device\n"); | |
4934 | thinkpad_acpi_module_exit(); | |
4935 | return ret; | |
4936 | } | |
8523ed6f | 4937 | mutex_init(&tpacpi_inputdev_send_mutex); |
7f5d1cd6 HMH |
4938 | tpacpi_inputdev = input_allocate_device(); |
4939 | if (!tpacpi_inputdev) { | |
4940 | printk(IBM_ERR "unable to allocate input device\n"); | |
4941 | thinkpad_acpi_module_exit(); | |
4942 | return -ENOMEM; | |
4943 | } else { | |
4944 | /* Prepare input device, but don't register */ | |
4945 | tpacpi_inputdev->name = "ThinkPad Extra Buttons"; | |
4946 | tpacpi_inputdev->phys = IBM_DRVR_NAME "/input0"; | |
4947 | tpacpi_inputdev->id.bustype = BUS_HOST; | |
edf0e0e5 HMH |
4948 | tpacpi_inputdev->id.vendor = (thinkpad_id.vendor) ? |
4949 | thinkpad_id.vendor : | |
4950 | PCI_VENDOR_ID_IBM; | |
7f5d1cd6 HMH |
4951 | tpacpi_inputdev->id.product = TPACPI_HKEY_INPUT_PRODUCT; |
4952 | tpacpi_inputdev->id.version = TPACPI_HKEY_INPUT_VERSION; | |
4953 | } | |
a5763f22 HMH |
4954 | for (i = 0; i < ARRAY_SIZE(ibms_init); i++) { |
4955 | ret = ibm_init(&ibms_init[i]); | |
4956 | if (ret >= 0 && *ibms_init[i].param) | |
4957 | ret = ibms_init[i].data->write(ibms_init[i].param); | |
1da177e4 | 4958 | if (ret < 0) { |
1def7115 | 4959 | thinkpad_acpi_module_exit(); |
1da177e4 LT |
4960 | return ret; |
4961 | } | |
4962 | } | |
7f5d1cd6 HMH |
4963 | ret = input_register_device(tpacpi_inputdev); |
4964 | if (ret < 0) { | |
4965 | printk(IBM_ERR "unable to register input device\n"); | |
4966 | thinkpad_acpi_module_exit(); | |
4967 | return ret; | |
4968 | } else { | |
4969 | tp_features.input_device_registered = 1; | |
4970 | } | |
1da177e4 | 4971 | |
8fef502e | 4972 | tpacpi_lifecycle = TPACPI_LIFE_RUNNING; |
1da177e4 LT |
4973 | return 0; |
4974 | } | |
4975 | ||
1def7115 | 4976 | static void thinkpad_acpi_module_exit(void) |
56b6aeb0 | 4977 | { |
a5763f22 HMH |
4978 | struct ibm_struct *ibm, *itmp; |
4979 | ||
8fef502e HMH |
4980 | tpacpi_lifecycle = TPACPI_LIFE_EXITING; |
4981 | ||
a5763f22 HMH |
4982 | list_for_each_entry_safe_reverse(ibm, itmp, |
4983 | &tpacpi_all_drivers, | |
4984 | all_drivers) { | |
4985 | ibm_exit(ibm); | |
4986 | } | |
56b6aeb0 | 4987 | |
a5763f22 | 4988 | dbg_printk(TPACPI_DBG_INIT, "finished subdriver exit path...\n"); |
56b6aeb0 | 4989 | |
7f5d1cd6 HMH |
4990 | if (tpacpi_inputdev) { |
4991 | if (tp_features.input_device_registered) | |
4992 | input_unregister_device(tpacpi_inputdev); | |
4993 | else | |
4994 | input_free_device(tpacpi_inputdev); | |
4995 | } | |
4996 | ||
54ae1501 HMH |
4997 | if (tpacpi_hwmon) |
4998 | hwmon_device_unregister(tpacpi_hwmon); | |
4999 | ||
7fd40029 HMH |
5000 | if (tp_features.sensors_pdev_attrs_registered) |
5001 | device_remove_file(&tpacpi_sensors_pdev->dev, | |
5002 | &dev_attr_thinkpad_acpi_pdev_name); | |
5003 | if (tpacpi_sensors_pdev) | |
5004 | platform_device_unregister(tpacpi_sensors_pdev); | |
54ae1501 HMH |
5005 | if (tpacpi_pdev) |
5006 | platform_device_unregister(tpacpi_pdev); | |
5007 | ||
2369cc94 HMH |
5008 | if (tp_features.sensors_pdrv_attrs_registered) |
5009 | tpacpi_remove_driver_attributes(&tpacpi_hwmon_pdriver.driver); | |
ac36393d HMH |
5010 | if (tp_features.platform_drv_attrs_registered) |
5011 | tpacpi_remove_driver_attributes(&tpacpi_pdriver.driver); | |
5012 | ||
7fd40029 HMH |
5013 | if (tp_features.sensors_pdrv_registered) |
5014 | platform_driver_unregister(&tpacpi_hwmon_pdriver); | |
5015 | ||
ac36393d HMH |
5016 | if (tp_features.platform_drv_registered) |
5017 | platform_driver_unregister(&tpacpi_pdriver); | |
54ae1501 | 5018 | |
56b6aeb0 | 5019 | if (proc_dir) |
8d376cd6 | 5020 | remove_proc_entry(IBM_PROC_DIR, acpi_root_dir); |
56b6aeb0 | 5021 | |
d5a2f2f1 HMH |
5022 | kfree(thinkpad_id.bios_version_str); |
5023 | kfree(thinkpad_id.ec_version_str); | |
5024 | kfree(thinkpad_id.model_str); | |
56b6aeb0 HMH |
5025 | } |
5026 | ||
1def7115 HMH |
5027 | module_init(thinkpad_acpi_module_init); |
5028 | module_exit(thinkpad_acpi_module_exit); |