Commit | Line | Data |
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1da177e4 LT |
1 | /* |
2 | * ibm_acpi.c - IBM ThinkPad ACPI Extras | |
3 | * | |
4 | * | |
78f81cc4 | 5 | * Copyright (C) 2004-2005 Borislav Deianov <borislav@users.sf.net> |
1da177e4 LT |
6 | * |
7 | * This program is free software; you can redistribute it and/or modify | |
8 | * it under the terms of the GNU General Public License as published by | |
9 | * the Free Software Foundation; either version 2 of the License, or | |
10 | * (at your option) any later version. | |
11 | * | |
12 | * This program is distributed in the hope that it will be useful, | |
13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | * GNU General Public License for more details. | |
16 | * | |
17 | * You should have received a copy of the GNU General Public License | |
18 | * along with this program; if not, write to the Free Software | |
19 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
78f81cc4 BD |
20 | */ |
21 | ||
22 | #define IBM_VERSION "0.12a" | |
23 | ||
24 | /* | |
1da177e4 | 25 | * Changelog: |
78f81cc4 BD |
26 | * |
27 | * 2005-08-17 0.12 fix compilation on 2.6.13-rc kernels | |
28 | * 2005-03-17 0.11 support for 600e, 770x | |
29 | * thanks to Jamie Lentin <lentinj@dial.pipex.com> | |
30 | * support for 770e, G41 | |
31 | * G40 and G41 don't have a thinklight | |
32 | * temperatures no longer experimental | |
33 | * experimental brightness control | |
34 | * experimental volume control | |
35 | * experimental fan enable/disable | |
36 | * 2005-01-16 0.10 fix module loading on R30, R31 | |
37 | * 2005-01-16 0.9 support for 570, R30, R31 | |
38 | * ultrabay support on A22p, A3x | |
39 | * limit arg for cmos, led, beep, drop experimental status | |
40 | * more capable led control on A21e, A22p, T20-22, X20 | |
41 | * experimental temperatures and fan speed | |
42 | * experimental embedded controller register dump | |
43 | * mark more functions as __init, drop incorrect __exit | |
44 | * use MODULE_VERSION | |
45 | * thanks to Henrik Brix Andersen <brix@gentoo.org> | |
46 | * fix parameter passing on module loading | |
47 | * thanks to Rusty Russell <rusty@rustcorp.com.au> | |
48 | * thanks to Jim Radford <radford@blackbean.org> | |
49 | * 2004-11-08 0.8 fix init error case, don't return from a macro | |
50 | * thanks to Chris Wright <chrisw@osdl.org> | |
51 | * 2004-10-23 0.7 fix module loading on A21e, A22p, T20, T21, X20 | |
52 | * fix led control on A21e | |
53 | * 2004-10-19 0.6 use acpi_bus_register_driver() to claim HKEY device | |
1da177e4 LT |
54 | * 2004-10-18 0.5 thinklight support on A21e, G40, R32, T20, T21, X20 |
55 | * proc file format changed | |
56 | * video_switch command | |
57 | * experimental cmos control | |
58 | * experimental led control | |
59 | * experimental acpi sounds | |
78f81cc4 BD |
60 | * 2004-09-16 0.4 support for module parameters |
61 | * hotkey mask can be prefixed by 0x | |
62 | * video output switching | |
63 | * video expansion control | |
64 | * ultrabay eject support | |
65 | * removed lcd brightness/on/off control, didn't work | |
66 | * 2004-08-17 0.3 support for R40 | |
67 | * lcd off, brightness control | |
68 | * thinklight on/off | |
69 | * 2004-08-14 0.2 support for T series, X20 | |
70 | * bluetooth enable/disable | |
71 | * hotkey events disabled by default | |
72 | * removed fan control, currently useless | |
73 | * 2004-08-09 0.1 initial release, support for X series | |
1da177e4 LT |
74 | */ |
75 | ||
1da177e4 LT |
76 | #include <linux/kernel.h> |
77 | #include <linux/module.h> | |
78 | #include <linux/init.h> | |
79 | #include <linux/types.h> | |
80 | #include <linux/proc_fs.h> | |
81 | #include <asm/uaccess.h> | |
82 | ||
83 | #include <acpi/acpi_drivers.h> | |
84 | #include <acpi/acnamesp.h> | |
85 | ||
86 | #define IBM_NAME "ibm" | |
87 | #define IBM_DESC "IBM ThinkPad ACPI Extras" | |
88 | #define IBM_FILE "ibm_acpi" | |
89 | #define IBM_URL "http://ibm-acpi.sf.net/" | |
90 | ||
78f81cc4 BD |
91 | MODULE_AUTHOR("Borislav Deianov"); |
92 | MODULE_DESCRIPTION(IBM_DESC); | |
93 | MODULE_VERSION(IBM_VERSION); | |
94 | MODULE_LICENSE("GPL"); | |
95 | ||
1da177e4 LT |
96 | #define IBM_DIR IBM_NAME |
97 | ||
98 | #define IBM_LOG IBM_FILE ": " | |
99 | #define IBM_ERR KERN_ERR IBM_LOG | |
100 | #define IBM_NOTICE KERN_NOTICE IBM_LOG | |
101 | #define IBM_INFO KERN_INFO IBM_LOG | |
102 | #define IBM_DEBUG KERN_DEBUG IBM_LOG | |
103 | ||
104 | #define IBM_MAX_ACPI_ARGS 3 | |
105 | ||
106 | #define __unused __attribute__ ((unused)) | |
107 | ||
108 | static int experimental; | |
109 | module_param(experimental, int, 0); | |
110 | ||
111 | static acpi_handle root_handle = NULL; | |
112 | ||
113 | #define IBM_HANDLE(object, parent, paths...) \ | |
114 | static acpi_handle object##_handle; \ | |
115 | static acpi_handle *object##_parent = &parent##_handle; \ | |
78f81cc4 | 116 | static char *object##_path; \ |
1da177e4 LT |
117 | static char *object##_paths[] = { paths } |
118 | ||
78f81cc4 BD |
119 | /* |
120 | * The following models are supported to various degrees: | |
121 | * | |
122 | * 570, 600e, 600x, 770e, 770x | |
123 | * A20m, A21e, A21m, A21p, A22p, A30, A30p, A31, A31p | |
124 | * G40, G41 | |
125 | * R30, R31, R32, R40, R40e, R50, R50e, R50p, R51 | |
126 | * T20, T21, T22, T23, T30, T40, T40p, T41, T41p, T42, T42p, T43 | |
127 | * X20, X21, X22, X23, X24, X30, X31, X40 | |
128 | * | |
129 | * The following models have no supported features: | |
130 | * | |
131 | * 240, 240x, i1400 | |
132 | * | |
133 | * Still missing DSDTs for the following models: | |
134 | * | |
135 | * A20p, A22e, A22m | |
136 | * R52 | |
137 | * S31 | |
138 | * T43p | |
139 | */ | |
140 | ||
141 | IBM_HANDLE(ec, root, "\\_SB.PCI0.ISA.EC0", /* 240, 240x */ | |
142 | "\\_SB.PCI.ISA.EC", /* 570 */ | |
143 | "\\_SB.PCI0.ISA0.EC0", /* 600e/x, 770e, 770x */ | |
144 | "\\_SB.PCI0.ISA.EC", /* A21e, A2xm/p, T20-22, X20-21 */ | |
145 | "\\_SB.PCI0.AD4S.EC0", /* i1400, R30 */ | |
146 | "\\_SB.PCI0.ICH3.EC0", /* R31 */ | |
147 | "\\_SB.PCI0.LPC.EC", /* all others */ | |
148 | ); | |
149 | ||
150 | IBM_HANDLE(vid, root, "\\_SB.PCI.AGP.VGA", /* 570 */ | |
151 | "\\_SB.PCI0.AGP0.VID0", /* 600e/x, 770x */ | |
152 | "\\_SB.PCI0.VID0", /* 770e */ | |
153 | "\\_SB.PCI0.VID", /* A21e, G4x, R50e, X30, X40 */ | |
154 | "\\_SB.PCI0.AGP.VID", /* all others */ | |
155 | ); /* R30, R31 */ | |
156 | ||
157 | IBM_HANDLE(vid2, root, "\\_SB.PCI0.AGPB.VID"); /* G41 */ | |
158 | ||
159 | IBM_HANDLE(cmos, root, "\\UCMS", /* R50, R50e, R50p, R51, T4x, X31, X40 */ | |
160 | "\\CMOS", /* A3x, G4x, R32, T23, T30, X22-24, X30 */ | |
161 | "\\CMS", /* R40, R40e */ | |
162 | ); /* all others */ | |
63e5f248 | 163 | #ifdef CONFIG_ACPI_IBM_DOCK |
78f81cc4 BD |
164 | IBM_HANDLE(dock, root, "\\_SB.GDCK", /* X30, X31, X40 */ |
165 | "\\_SB.PCI0.DOCK", /* 600e/x,770e,770x,A2xm/p,T20-22,X20-21 */ | |
166 | "\\_SB.PCI0.PCI1.DOCK", /* all others */ | |
167 | "\\_SB.PCI.ISA.SLCE", /* 570 */ | |
168 | ); /* A21e,G4x,R30,R31,R32,R40,R40e,R50e */ | |
63e5f248 | 169 | #endif |
78f81cc4 BD |
170 | IBM_HANDLE(bay, root, "\\_SB.PCI.IDE.SECN.MAST", /* 570 */ |
171 | "\\_SB.PCI0.IDE0.IDES.IDSM", /* 600e/x, 770e, 770x */ | |
172 | "\\_SB.PCI0.IDE0.SCND.MSTR", /* all others */ | |
173 | ); /* A21e, R30, R31 */ | |
174 | ||
175 | IBM_HANDLE(bay_ej, bay, "_EJ3", /* 600e/x, A2xm/p, A3x */ | |
176 | "_EJ0", /* all others */ | |
177 | ); /* 570,A21e,G4x,R30,R31,R32,R40e,R50e */ | |
178 | ||
179 | IBM_HANDLE(bay2, root, "\\_SB.PCI0.IDE0.PRIM.SLAV", /* A3x, R32 */ | |
180 | "\\_SB.PCI0.IDE0.IDEP.IDPS", /* 600e/x, 770e, 770x */ | |
181 | ); /* all others */ | |
182 | ||
183 | IBM_HANDLE(bay2_ej, bay2, "_EJ3", /* 600e/x, 770e, A3x */ | |
184 | "_EJ0", /* 770x */ | |
185 | ); /* all others */ | |
186 | ||
187 | /* don't list other alternatives as we install a notify handler on the 570 */ | |
188 | IBM_HANDLE(pci, root, "\\_SB.PCI"); /* 570 */ | |
189 | ||
190 | IBM_HANDLE(hkey, ec, "\\_SB.HKEY", /* 600e/x, 770e, 770x */ | |
191 | "^HKEY", /* R30, R31 */ | |
192 | "HKEY", /* all others */ | |
193 | ); /* 570 */ | |
194 | ||
195 | IBM_HANDLE(lght, root, "\\LGHT"); /* A21e, A2xm/p, T20-22, X20-21 */ | |
196 | IBM_HANDLE(ledb, ec, "LEDB"); /* G4x */ | |
197 | ||
198 | IBM_HANDLE(led, ec, "SLED", /* 570 */ | |
199 | "SYSL", /* 600e/x, 770e, 770x, A21e, A2xm/p, T20-22, X20-21 */ | |
200 | "LED", /* all others */ | |
201 | ); /* R30, R31 */ | |
202 | ||
203 | IBM_HANDLE(beep, ec, "BEEP"); /* all except R30, R31 */ | |
204 | IBM_HANDLE(ecrd, ec, "ECRD"); /* 570 */ | |
205 | IBM_HANDLE(ecwr, ec, "ECWR"); /* 570 */ | |
206 | IBM_HANDLE(fans, ec, "FANS"); /* X31, X40 */ | |
207 | ||
208 | IBM_HANDLE(gfan, ec, "GFAN", /* 570 */ | |
209 | "\\FSPD", /* 600e/x, 770e, 770x */ | |
210 | ); /* all others */ | |
211 | ||
212 | IBM_HANDLE(sfan, ec, "SFAN", /* 570 */ | |
213 | "JFNS", /* 770x-JL */ | |
214 | ); /* all others */ | |
215 | ||
216 | #define IBM_HKEY_HID "IBM0068" | |
217 | #define IBM_PCI_HID "PNP0A03" | |
1da177e4 LT |
218 | |
219 | struct ibm_struct { | |
220 | char *name; | |
78f81cc4 | 221 | char param[32]; |
1da177e4 LT |
222 | |
223 | char *hid; | |
224 | struct acpi_driver *driver; | |
1da177e4 | 225 | |
78f81cc4 BD |
226 | int (*init) (void); |
227 | int (*read) (char *); | |
228 | int (*write) (char *); | |
229 | void (*exit) (void); | |
230 | ||
231 | void (*notify) (struct ibm_struct *, u32); | |
1da177e4 LT |
232 | acpi_handle *handle; |
233 | int type; | |
234 | struct acpi_device *device; | |
235 | ||
236 | int driver_registered; | |
237 | int proc_created; | |
238 | int init_called; | |
239 | int notify_installed; | |
240 | ||
1da177e4 LT |
241 | int experimental; |
242 | }; | |
243 | ||
244 | static struct proc_dir_entry *proc_dir = NULL; | |
245 | ||
246 | #define onoff(status,bit) ((status) & (1 << (bit)) ? "on" : "off") | |
247 | #define enabled(status,bit) ((status) & (1 << (bit)) ? "enabled" : "disabled") | |
248 | #define strlencmp(a,b) (strncmp((a), (b), strlen(b))) | |
249 | ||
250 | static int acpi_evalf(acpi_handle handle, | |
251 | void *res, char *method, char *fmt, ...) | |
252 | { | |
253 | char *fmt0 = fmt; | |
78f81cc4 BD |
254 | struct acpi_object_list params; |
255 | union acpi_object in_objs[IBM_MAX_ACPI_ARGS]; | |
256 | struct acpi_buffer result, *resultp; | |
257 | union acpi_object out_obj; | |
258 | acpi_status status; | |
259 | va_list ap; | |
260 | char res_type; | |
261 | int success; | |
262 | int quiet; | |
1da177e4 LT |
263 | |
264 | if (!*fmt) { | |
265 | printk(IBM_ERR "acpi_evalf() called with empty format\n"); | |
266 | return 0; | |
267 | } | |
268 | ||
269 | if (*fmt == 'q') { | |
270 | quiet = 1; | |
271 | fmt++; | |
272 | } else | |
273 | quiet = 0; | |
274 | ||
275 | res_type = *(fmt++); | |
276 | ||
277 | params.count = 0; | |
278 | params.pointer = &in_objs[0]; | |
279 | ||
280 | va_start(ap, fmt); | |
281 | while (*fmt) { | |
282 | char c = *(fmt++); | |
283 | switch (c) { | |
284 | case 'd': /* int */ | |
285 | in_objs[params.count].integer.value = va_arg(ap, int); | |
286 | in_objs[params.count++].type = ACPI_TYPE_INTEGER; | |
287 | break; | |
78f81cc4 | 288 | /* add more types as needed */ |
1da177e4 LT |
289 | default: |
290 | printk(IBM_ERR "acpi_evalf() called " | |
291 | "with invalid format character '%c'\n", c); | |
292 | return 0; | |
293 | } | |
294 | } | |
295 | va_end(ap); | |
296 | ||
78f81cc4 BD |
297 | if (res_type != 'v') { |
298 | result.length = sizeof(out_obj); | |
299 | result.pointer = &out_obj; | |
300 | resultp = &result; | |
301 | } else | |
302 | resultp = NULL; | |
1da177e4 | 303 | |
78f81cc4 | 304 | status = acpi_evaluate_object(handle, method, ¶ms, resultp); |
1da177e4 LT |
305 | |
306 | switch (res_type) { | |
78f81cc4 | 307 | case 'd': /* int */ |
1da177e4 LT |
308 | if (res) |
309 | *(int *)res = out_obj.integer.value; | |
310 | success = status == AE_OK && out_obj.type == ACPI_TYPE_INTEGER; | |
311 | break; | |
78f81cc4 | 312 | case 'v': /* void */ |
1da177e4 LT |
313 | success = status == AE_OK; |
314 | break; | |
78f81cc4 | 315 | /* add more types as needed */ |
1da177e4 LT |
316 | default: |
317 | printk(IBM_ERR "acpi_evalf() called " | |
318 | "with invalid format character '%c'\n", res_type); | |
319 | return 0; | |
320 | } | |
321 | ||
322 | if (!success && !quiet) | |
323 | printk(IBM_ERR "acpi_evalf(%s, %s, ...) failed: %d\n", | |
324 | method, fmt0, status); | |
325 | ||
326 | return success; | |
327 | } | |
328 | ||
329 | static void __unused acpi_print_int(acpi_handle handle, char *method) | |
330 | { | |
331 | int i; | |
332 | ||
333 | if (acpi_evalf(handle, &i, method, "d")) | |
334 | printk(IBM_INFO "%s = 0x%x\n", method, i); | |
335 | else | |
336 | printk(IBM_ERR "error calling %s\n", method); | |
337 | } | |
338 | ||
339 | static char *next_cmd(char **cmds) | |
340 | { | |
341 | char *start = *cmds; | |
342 | char *end; | |
343 | ||
344 | while ((end = strchr(start, ',')) && end == start) | |
345 | start = end + 1; | |
346 | ||
347 | if (!end) | |
348 | return NULL; | |
349 | ||
350 | *end = 0; | |
351 | *cmds = end + 1; | |
352 | return start; | |
353 | } | |
354 | ||
78f81cc4 | 355 | static int driver_init(void) |
1da177e4 LT |
356 | { |
357 | printk(IBM_INFO "%s v%s\n", IBM_DESC, IBM_VERSION); | |
358 | printk(IBM_INFO "%s\n", IBM_URL); | |
359 | ||
360 | return 0; | |
361 | } | |
362 | ||
78f81cc4 | 363 | static int driver_read(char *p) |
1da177e4 LT |
364 | { |
365 | int len = 0; | |
366 | ||
367 | len += sprintf(p + len, "driver:\t\t%s\n", IBM_DESC); | |
368 | len += sprintf(p + len, "version:\t%s\n", IBM_VERSION); | |
369 | ||
370 | return len; | |
371 | } | |
372 | ||
78f81cc4 BD |
373 | static int hotkey_supported; |
374 | static int hotkey_mask_supported; | |
375 | static int hotkey_orig_status; | |
376 | static int hotkey_orig_mask; | |
377 | ||
378 | static int hotkey_get(int *status, int *mask) | |
1da177e4 LT |
379 | { |
380 | if (!acpi_evalf(hkey_handle, status, "DHKC", "d")) | |
78f81cc4 BD |
381 | return 0; |
382 | ||
383 | if (hotkey_mask_supported) | |
384 | if (!acpi_evalf(hkey_handle, mask, "DHKN", "d")) | |
385 | return 0; | |
386 | ||
387 | return 1; | |
1da177e4 LT |
388 | } |
389 | ||
78f81cc4 | 390 | static int hotkey_set(int status, int mask) |
1da177e4 LT |
391 | { |
392 | int i; | |
393 | ||
394 | if (!acpi_evalf(hkey_handle, NULL, "MHKC", "vd", status)) | |
1da177e4 LT |
395 | return 0; |
396 | ||
78f81cc4 BD |
397 | if (hotkey_mask_supported) |
398 | for (i = 0; i < 32; i++) { | |
399 | int bit = ((1 << i) & mask) != 0; | |
400 | if (!acpi_evalf(hkey_handle, | |
401 | NULL, "MHKM", "vdd", i + 1, bit)) | |
402 | return 0; | |
403 | } | |
1da177e4 | 404 | |
78f81cc4 | 405 | return 1; |
1da177e4 LT |
406 | } |
407 | ||
78f81cc4 | 408 | static int hotkey_init(void) |
1da177e4 | 409 | { |
78f81cc4 BD |
410 | /* hotkey not supported on 570 */ |
411 | hotkey_supported = hkey_handle != NULL; | |
1da177e4 | 412 | |
78f81cc4 BD |
413 | if (hotkey_supported) { |
414 | /* mask not supported on 570, 600e/x, 770e, 770x, A21e, A2xm/p, | |
415 | A30, R30, R31, T20-22, X20-21, X22-24 */ | |
416 | hotkey_mask_supported = | |
417 | acpi_evalf(hkey_handle, NULL, "DHKN", "qv"); | |
418 | ||
419 | if (!hotkey_get(&hotkey_orig_status, &hotkey_orig_mask)) | |
420 | return -ENODEV; | |
1da177e4 LT |
421 | } |
422 | ||
78f81cc4 BD |
423 | return 0; |
424 | } | |
1da177e4 | 425 | |
78f81cc4 | 426 | static int hotkey_read(char *p) |
1da177e4 LT |
427 | { |
428 | int status, mask; | |
429 | int len = 0; | |
430 | ||
78f81cc4 BD |
431 | if (!hotkey_supported) { |
432 | len += sprintf(p + len, "status:\t\tnot supported\n"); | |
433 | return len; | |
434 | } | |
435 | ||
436 | if (!hotkey_get(&status, &mask)) | |
1da177e4 LT |
437 | return -EIO; |
438 | ||
439 | len += sprintf(p + len, "status:\t\t%s\n", enabled(status, 0)); | |
78f81cc4 | 440 | if (hotkey_mask_supported) { |
1da177e4 LT |
441 | len += sprintf(p + len, "mask:\t\t0x%04x\n", mask); |
442 | len += sprintf(p + len, | |
443 | "commands:\tenable, disable, reset, <mask>\n"); | |
444 | } else { | |
445 | len += sprintf(p + len, "mask:\t\tnot supported\n"); | |
446 | len += sprintf(p + len, "commands:\tenable, disable, reset\n"); | |
447 | } | |
448 | ||
449 | return len; | |
450 | } | |
451 | ||
78f81cc4 | 452 | static int hotkey_write(char *buf) |
1da177e4 LT |
453 | { |
454 | int status, mask; | |
455 | char *cmd; | |
456 | int do_cmd = 0; | |
457 | ||
78f81cc4 | 458 | if (!hotkey_supported) |
1da177e4 LT |
459 | return -ENODEV; |
460 | ||
78f81cc4 BD |
461 | if (!hotkey_get(&status, &mask)) |
462 | return -EIO; | |
463 | ||
1da177e4 LT |
464 | while ((cmd = next_cmd(&buf))) { |
465 | if (strlencmp(cmd, "enable") == 0) { | |
466 | status = 1; | |
467 | } else if (strlencmp(cmd, "disable") == 0) { | |
468 | status = 0; | |
469 | } else if (strlencmp(cmd, "reset") == 0) { | |
78f81cc4 BD |
470 | status = hotkey_orig_status; |
471 | mask = hotkey_orig_mask; | |
1da177e4 LT |
472 | } else if (sscanf(cmd, "0x%x", &mask) == 1) { |
473 | /* mask set */ | |
474 | } else if (sscanf(cmd, "%x", &mask) == 1) { | |
475 | /* mask set */ | |
476 | } else | |
477 | return -EINVAL; | |
478 | do_cmd = 1; | |
479 | } | |
480 | ||
78f81cc4 | 481 | if (do_cmd && !hotkey_set(status, mask)) |
1da177e4 LT |
482 | return -EIO; |
483 | ||
484 | return 0; | |
78f81cc4 | 485 | } |
1da177e4 | 486 | |
78f81cc4 | 487 | static void hotkey_exit(void) |
1da177e4 | 488 | { |
78f81cc4 BD |
489 | if (hotkey_supported) |
490 | hotkey_set(hotkey_orig_status, hotkey_orig_mask); | |
1da177e4 LT |
491 | } |
492 | ||
493 | static void hotkey_notify(struct ibm_struct *ibm, u32 event) | |
494 | { | |
495 | int hkey; | |
496 | ||
497 | if (acpi_evalf(hkey_handle, &hkey, "MHKP", "d")) | |
498 | acpi_bus_generate_event(ibm->device, event, hkey); | |
499 | else { | |
500 | printk(IBM_ERR "unknown hotkey event %d\n", event); | |
501 | acpi_bus_generate_event(ibm->device, event, 0); | |
78f81cc4 | 502 | } |
1da177e4 LT |
503 | } |
504 | ||
78f81cc4 BD |
505 | static int bluetooth_supported; |
506 | ||
507 | static int bluetooth_init(void) | |
1da177e4 | 508 | { |
78f81cc4 BD |
509 | /* bluetooth not supported on 570, 600e/x, 770e, 770x, A21e, A2xm/p, |
510 | G4x, R30, R31, R40e, R50e, T20-22, X20-21 */ | |
511 | bluetooth_supported = hkey_handle && | |
512 | acpi_evalf(hkey_handle, NULL, "GBDC", "qv"); | |
1da177e4 LT |
513 | |
514 | return 0; | |
515 | } | |
516 | ||
78f81cc4 | 517 | static int bluetooth_status(void) |
1da177e4 LT |
518 | { |
519 | int status; | |
520 | ||
78f81cc4 BD |
521 | if (!bluetooth_supported || |
522 | !acpi_evalf(hkey_handle, &status, "GBDC", "d")) | |
1da177e4 LT |
523 | status = 0; |
524 | ||
525 | return status; | |
526 | } | |
527 | ||
78f81cc4 | 528 | static int bluetooth_read(char *p) |
1da177e4 LT |
529 | { |
530 | int len = 0; | |
78f81cc4 | 531 | int status = bluetooth_status(); |
1da177e4 | 532 | |
78f81cc4 | 533 | if (!bluetooth_supported) |
1da177e4 LT |
534 | len += sprintf(p + len, "status:\t\tnot supported\n"); |
535 | else if (!(status & 1)) | |
536 | len += sprintf(p + len, "status:\t\tnot installed\n"); | |
537 | else { | |
538 | len += sprintf(p + len, "status:\t\t%s\n", enabled(status, 1)); | |
539 | len += sprintf(p + len, "commands:\tenable, disable\n"); | |
540 | } | |
541 | ||
542 | return len; | |
543 | } | |
544 | ||
78f81cc4 | 545 | static int bluetooth_write(char *buf) |
1da177e4 | 546 | { |
78f81cc4 | 547 | int status = bluetooth_status(); |
1da177e4 LT |
548 | char *cmd; |
549 | int do_cmd = 0; | |
550 | ||
78f81cc4 BD |
551 | if (!bluetooth_supported) |
552 | return -ENODEV; | |
1da177e4 LT |
553 | |
554 | while ((cmd = next_cmd(&buf))) { | |
555 | if (strlencmp(cmd, "enable") == 0) { | |
556 | status |= 2; | |
557 | } else if (strlencmp(cmd, "disable") == 0) { | |
558 | status &= ~2; | |
559 | } else | |
560 | return -EINVAL; | |
561 | do_cmd = 1; | |
562 | } | |
563 | ||
564 | if (do_cmd && !acpi_evalf(hkey_handle, NULL, "SBDC", "vd", status)) | |
78f81cc4 | 565 | return -EIO; |
1da177e4 LT |
566 | |
567 | return 0; | |
568 | } | |
569 | ||
78f81cc4 BD |
570 | static int video_supported; |
571 | static int video_orig_autosw; | |
572 | ||
573 | #define VIDEO_570 1 | |
574 | #define VIDEO_770 2 | |
575 | #define VIDEO_NEW 3 | |
576 | ||
577 | static int video_init(void) | |
1da177e4 | 578 | { |
78f81cc4 BD |
579 | int ivga; |
580 | ||
581 | if (vid2_handle && acpi_evalf(NULL, &ivga, "\\IVGA", "d") && ivga) | |
582 | /* G41, assume IVGA doesn't change */ | |
583 | vid_handle = vid2_handle; | |
584 | ||
585 | if (!vid_handle) | |
586 | /* video switching not supported on R30, R31 */ | |
587 | video_supported = 0; | |
588 | else if (acpi_evalf(vid_handle, &video_orig_autosw, "SWIT", "qd")) | |
589 | /* 570 */ | |
590 | video_supported = VIDEO_570; | |
591 | else if (acpi_evalf(vid_handle, &video_orig_autosw, "^VADL", "qd")) | |
592 | /* 600e/x, 770e, 770x */ | |
593 | video_supported = VIDEO_770; | |
594 | else | |
595 | /* all others */ | |
596 | video_supported = VIDEO_NEW; | |
1da177e4 LT |
597 | |
598 | return 0; | |
599 | } | |
600 | ||
78f81cc4 | 601 | static int video_status(void) |
1da177e4 LT |
602 | { |
603 | int status = 0; | |
604 | int i; | |
605 | ||
78f81cc4 BD |
606 | if (video_supported == VIDEO_570) { |
607 | if (acpi_evalf(NULL, &i, "\\_SB.PHS", "dd", 0x87)) | |
608 | status = i & 3; | |
609 | } else if (video_supported == VIDEO_770) { | |
610 | if (acpi_evalf(NULL, &i, "\\VCDL", "d")) | |
611 | status |= 0x01 * i; | |
612 | if (acpi_evalf(NULL, &i, "\\VCDC", "d")) | |
613 | status |= 0x02 * i; | |
614 | } else if (video_supported == VIDEO_NEW) { | |
615 | acpi_evalf(NULL, NULL, "\\VUPS", "vd", 1); | |
616 | if (acpi_evalf(NULL, &i, "\\VCDC", "d")) | |
617 | status |= 0x02 * i; | |
618 | ||
619 | acpi_evalf(NULL, NULL, "\\VUPS", "vd", 0); | |
620 | if (acpi_evalf(NULL, &i, "\\VCDL", "d")) | |
621 | status |= 0x01 * i; | |
622 | if (acpi_evalf(NULL, &i, "\\VCDD", "d")) | |
623 | status |= 0x08 * i; | |
624 | } | |
625 | ||
626 | return status; | |
627 | } | |
1da177e4 | 628 | |
78f81cc4 BD |
629 | static int video_autosw(void) |
630 | { | |
631 | int autosw = 0; | |
1da177e4 | 632 | |
78f81cc4 BD |
633 | if (video_supported == VIDEO_570) |
634 | acpi_evalf(vid_handle, &autosw, "SWIT", "d"); | |
635 | else if (video_supported == VIDEO_770 || video_supported == VIDEO_NEW) | |
636 | acpi_evalf(vid_handle, &autosw, "^VDEE", "d"); | |
1da177e4 | 637 | |
78f81cc4 | 638 | return autosw & 1; |
1da177e4 LT |
639 | } |
640 | ||
78f81cc4 | 641 | static int video_read(char *p) |
1da177e4 | 642 | { |
78f81cc4 BD |
643 | int status = video_status(); |
644 | int autosw = video_autosw(); | |
1da177e4 LT |
645 | int len = 0; |
646 | ||
78f81cc4 BD |
647 | if (!video_supported) { |
648 | len += sprintf(p + len, "status:\t\tnot supported\n"); | |
649 | return len; | |
650 | } | |
651 | ||
652 | len += sprintf(p + len, "status:\t\tsupported\n"); | |
1da177e4 LT |
653 | len += sprintf(p + len, "lcd:\t\t%s\n", enabled(status, 0)); |
654 | len += sprintf(p + len, "crt:\t\t%s\n", enabled(status, 1)); | |
78f81cc4 BD |
655 | if (video_supported == VIDEO_NEW) |
656 | len += sprintf(p + len, "dvi:\t\t%s\n", enabled(status, 3)); | |
657 | len += sprintf(p + len, "auto:\t\t%s\n", enabled(autosw, 0)); | |
658 | len += sprintf(p + len, "commands:\tlcd_enable, lcd_disable\n"); | |
659 | len += sprintf(p + len, "commands:\tcrt_enable, crt_disable\n"); | |
660 | if (video_supported == VIDEO_NEW) | |
661 | len += sprintf(p + len, "commands:\tdvi_enable, dvi_disable\n"); | |
662 | len += sprintf(p + len, "commands:\tauto_enable, auto_disable\n"); | |
1da177e4 LT |
663 | len += sprintf(p + len, "commands:\tvideo_switch, expand_toggle\n"); |
664 | ||
665 | return len; | |
666 | } | |
667 | ||
78f81cc4 BD |
668 | static int video_switch(void) |
669 | { | |
670 | int autosw = video_autosw(); | |
671 | int ret; | |
672 | ||
673 | if (!acpi_evalf(vid_handle, NULL, "_DOS", "vd", 1)) | |
674 | return -EIO; | |
675 | ret = video_supported == VIDEO_570 ? | |
676 | acpi_evalf(ec_handle, NULL, "_Q16", "v") : | |
677 | acpi_evalf(vid_handle, NULL, "VSWT", "v"); | |
678 | acpi_evalf(vid_handle, NULL, "_DOS", "vd", autosw); | |
679 | ||
680 | return ret; | |
681 | } | |
682 | ||
683 | static int video_expand(void) | |
684 | { | |
685 | if (video_supported == VIDEO_570) | |
686 | return acpi_evalf(ec_handle, NULL, "_Q17", "v"); | |
687 | else if (video_supported == VIDEO_770) | |
688 | return acpi_evalf(vid_handle, NULL, "VEXP", "v"); | |
689 | else | |
690 | return acpi_evalf(NULL, NULL, "\\VEXP", "v"); | |
691 | } | |
692 | ||
693 | static int video_switch2(int status) | |
694 | { | |
695 | int ret; | |
696 | ||
697 | if (video_supported == VIDEO_570) { | |
698 | ret = acpi_evalf(NULL, NULL, | |
699 | "\\_SB.PHS2", "vdd", 0x8b, status | 0x80); | |
700 | } else if (video_supported == VIDEO_770) { | |
701 | int autosw = video_autosw(); | |
702 | if (!acpi_evalf(vid_handle, NULL, "_DOS", "vd", 1)) | |
703 | return -EIO; | |
704 | ||
705 | ret = acpi_evalf(vid_handle, NULL, | |
706 | "ASWT", "vdd", status * 0x100, 0); | |
707 | ||
708 | acpi_evalf(vid_handle, NULL, "_DOS", "vd", autosw); | |
709 | } else { | |
710 | ret = acpi_evalf(NULL, NULL, "\\VUPS", "vd", 0x80) && | |
711 | acpi_evalf(NULL, NULL, "\\VSDS", "vdd", status, 1); | |
712 | } | |
713 | ||
714 | return ret; | |
715 | } | |
716 | ||
717 | static int video_write(char *buf) | |
1da177e4 LT |
718 | { |
719 | char *cmd; | |
720 | int enable, disable, status; | |
721 | ||
78f81cc4 BD |
722 | if (!video_supported) |
723 | return -ENODEV; | |
724 | ||
1da177e4 LT |
725 | enable = disable = 0; |
726 | ||
727 | while ((cmd = next_cmd(&buf))) { | |
728 | if (strlencmp(cmd, "lcd_enable") == 0) { | |
729 | enable |= 0x01; | |
730 | } else if (strlencmp(cmd, "lcd_disable") == 0) { | |
731 | disable |= 0x01; | |
732 | } else if (strlencmp(cmd, "crt_enable") == 0) { | |
733 | enable |= 0x02; | |
734 | } else if (strlencmp(cmd, "crt_disable") == 0) { | |
735 | disable |= 0x02; | |
78f81cc4 BD |
736 | } else if (video_supported == VIDEO_NEW && |
737 | strlencmp(cmd, "dvi_enable") == 0) { | |
1da177e4 | 738 | enable |= 0x08; |
78f81cc4 BD |
739 | } else if (video_supported == VIDEO_NEW && |
740 | strlencmp(cmd, "dvi_disable") == 0) { | |
1da177e4 LT |
741 | disable |= 0x08; |
742 | } else if (strlencmp(cmd, "auto_enable") == 0) { | |
743 | if (!acpi_evalf(vid_handle, NULL, "_DOS", "vd", 1)) | |
744 | return -EIO; | |
745 | } else if (strlencmp(cmd, "auto_disable") == 0) { | |
746 | if (!acpi_evalf(vid_handle, NULL, "_DOS", "vd", 0)) | |
747 | return -EIO; | |
748 | } else if (strlencmp(cmd, "video_switch") == 0) { | |
78f81cc4 | 749 | if (!video_switch()) |
1da177e4 LT |
750 | return -EIO; |
751 | } else if (strlencmp(cmd, "expand_toggle") == 0) { | |
78f81cc4 | 752 | if (!video_expand()) |
1da177e4 LT |
753 | return -EIO; |
754 | } else | |
755 | return -EINVAL; | |
756 | } | |
757 | ||
758 | if (enable || disable) { | |
78f81cc4 BD |
759 | status = (video_status() & 0x0f & ~disable) | enable; |
760 | if (!video_switch2(status)) | |
1da177e4 LT |
761 | return -EIO; |
762 | } | |
763 | ||
764 | return 0; | |
765 | } | |
766 | ||
78f81cc4 | 767 | static void video_exit(void) |
1da177e4 | 768 | { |
78f81cc4 | 769 | acpi_evalf(vid_handle, NULL, "_DOS", "vd", video_orig_autosw); |
1da177e4 LT |
770 | } |
771 | ||
78f81cc4 BD |
772 | static int light_supported; |
773 | static int light_status_supported; | |
774 | ||
775 | static int light_init(void) | |
1da177e4 | 776 | { |
78f81cc4 BD |
777 | /* light not supported on 570, 600e/x, 770e, 770x, G4x, R30, R31 */ |
778 | light_supported = (cmos_handle || lght_handle) && !ledb_handle; | |
779 | ||
780 | if (light_supported) | |
781 | /* light status not supported on | |
782 | 570, 600e/x, 770e, 770x, G4x, R30, R31, R32, X20 */ | |
783 | light_status_supported = acpi_evalf(ec_handle, NULL, | |
784 | "KBLT", "qv"); | |
1da177e4 LT |
785 | |
786 | return 0; | |
787 | } | |
788 | ||
78f81cc4 | 789 | static int light_read(char *p) |
1da177e4 LT |
790 | { |
791 | int len = 0; | |
792 | int status = 0; | |
793 | ||
78f81cc4 BD |
794 | if (!light_supported) { |
795 | len += sprintf(p + len, "status:\t\tnot supported\n"); | |
796 | } else if (!light_status_supported) { | |
797 | len += sprintf(p + len, "status:\t\tunknown\n"); | |
798 | len += sprintf(p + len, "commands:\ton, off\n"); | |
799 | } else { | |
1da177e4 LT |
800 | if (!acpi_evalf(ec_handle, &status, "KBLT", "d")) |
801 | return -EIO; | |
802 | len += sprintf(p + len, "status:\t\t%s\n", onoff(status, 0)); | |
78f81cc4 BD |
803 | len += sprintf(p + len, "commands:\ton, off\n"); |
804 | } | |
1da177e4 LT |
805 | |
806 | return len; | |
807 | } | |
808 | ||
78f81cc4 | 809 | static int light_write(char *buf) |
1da177e4 LT |
810 | { |
811 | int cmos_cmd, lght_cmd; | |
812 | char *cmd; | |
813 | int success; | |
78f81cc4 BD |
814 | |
815 | if (!light_supported) | |
816 | return -ENODEV; | |
817 | ||
1da177e4 LT |
818 | while ((cmd = next_cmd(&buf))) { |
819 | if (strlencmp(cmd, "on") == 0) { | |
820 | cmos_cmd = 0x0c; | |
821 | lght_cmd = 1; | |
822 | } else if (strlencmp(cmd, "off") == 0) { | |
823 | cmos_cmd = 0x0d; | |
824 | lght_cmd = 0; | |
825 | } else | |
826 | return -EINVAL; | |
78f81cc4 | 827 | |
1da177e4 | 828 | success = cmos_handle ? |
78f81cc4 BD |
829 | acpi_evalf(cmos_handle, NULL, NULL, "vd", cmos_cmd) : |
830 | acpi_evalf(lght_handle, NULL, NULL, "vd", lght_cmd); | |
1da177e4 LT |
831 | if (!success) |
832 | return -EIO; | |
833 | } | |
834 | ||
835 | return 0; | |
836 | } | |
837 | ||
838 | static int _sta(acpi_handle handle) | |
839 | { | |
840 | int status; | |
841 | ||
842 | if (!handle || !acpi_evalf(handle, &status, "_STA", "d")) | |
843 | status = 0; | |
844 | ||
845 | return status; | |
846 | } | |
63e5f248 | 847 | #ifdef CONFIG_ACPI_IBM_DOCK |
1da177e4 LT |
848 | #define dock_docked() (_sta(dock_handle) & 1) |
849 | ||
78f81cc4 | 850 | static int dock_read(char *p) |
1da177e4 LT |
851 | { |
852 | int len = 0; | |
853 | int docked = dock_docked(); | |
854 | ||
855 | if (!dock_handle) | |
856 | len += sprintf(p + len, "status:\t\tnot supported\n"); | |
857 | else if (!docked) | |
858 | len += sprintf(p + len, "status:\t\tundocked\n"); | |
859 | else { | |
860 | len += sprintf(p + len, "status:\t\tdocked\n"); | |
861 | len += sprintf(p + len, "commands:\tdock, undock\n"); | |
862 | } | |
863 | ||
864 | return len; | |
865 | } | |
866 | ||
78f81cc4 | 867 | static int dock_write(char *buf) |
1da177e4 LT |
868 | { |
869 | char *cmd; | |
870 | ||
871 | if (!dock_docked()) | |
78f81cc4 | 872 | return -ENODEV; |
1da177e4 LT |
873 | |
874 | while ((cmd = next_cmd(&buf))) { | |
875 | if (strlencmp(cmd, "undock") == 0) { | |
78f81cc4 BD |
876 | if (!acpi_evalf(dock_handle, NULL, "_DCK", "vd", 0) || |
877 | !acpi_evalf(dock_handle, NULL, "_EJ0", "vd", 1)) | |
1da177e4 LT |
878 | return -EIO; |
879 | } else if (strlencmp(cmd, "dock") == 0) { | |
880 | if (!acpi_evalf(dock_handle, NULL, "_DCK", "vd", 1)) | |
881 | return -EIO; | |
882 | } else | |
883 | return -EINVAL; | |
884 | } | |
885 | ||
886 | return 0; | |
78f81cc4 | 887 | } |
1da177e4 LT |
888 | |
889 | static void dock_notify(struct ibm_struct *ibm, u32 event) | |
890 | { | |
891 | int docked = dock_docked(); | |
78f81cc4 BD |
892 | int pci = ibm->hid && strstr(ibm->hid, IBM_PCI_HID); |
893 | ||
894 | if (event == 1 && !pci) /* 570 */ | |
895 | acpi_bus_generate_event(ibm->device, event, 1); /* button */ | |
896 | else if (event == 1 && pci) /* 570 */ | |
897 | acpi_bus_generate_event(ibm->device, event, 3); /* dock */ | |
898 | else if (event == 3 && docked) | |
899 | acpi_bus_generate_event(ibm->device, event, 1); /* button */ | |
1da177e4 | 900 | else if (event == 3 && !docked) |
78f81cc4 | 901 | acpi_bus_generate_event(ibm->device, event, 2); /* undock */ |
1da177e4 | 902 | else if (event == 0 && docked) |
78f81cc4 | 903 | acpi_bus_generate_event(ibm->device, event, 3); /* dock */ |
1da177e4 LT |
904 | else { |
905 | printk(IBM_ERR "unknown dock event %d, status %d\n", | |
906 | event, _sta(dock_handle)); | |
78f81cc4 | 907 | acpi_bus_generate_event(ibm->device, event, 0); /* unknown */ |
1da177e4 LT |
908 | } |
909 | } | |
63e5f248 | 910 | #endif |
1da177e4 | 911 | |
78f81cc4 BD |
912 | static int bay_status_supported; |
913 | static int bay_status2_supported; | |
914 | static int bay_eject_supported; | |
915 | static int bay_eject2_supported; | |
1da177e4 | 916 | |
78f81cc4 | 917 | static int bay_init(void) |
1da177e4 | 918 | { |
78f81cc4 BD |
919 | bay_status_supported = bay_handle && |
920 | acpi_evalf(bay_handle, NULL, "_STA", "qv"); | |
921 | bay_status2_supported = bay2_handle && | |
922 | acpi_evalf(bay2_handle, NULL, "_STA", "qv"); | |
923 | ||
924 | bay_eject_supported = bay_handle && bay_ej_handle && | |
925 | (strlencmp(bay_ej_path, "_EJ0") == 0 || experimental); | |
926 | bay_eject2_supported = bay2_handle && bay2_ej_handle && | |
927 | (strlencmp(bay2_ej_path, "_EJ0") == 0 || experimental); | |
1da177e4 LT |
928 | |
929 | return 0; | |
930 | } | |
931 | ||
78f81cc4 BD |
932 | #define bay_occupied(b) (_sta(b##_handle) & 1) |
933 | ||
934 | static int bay_read(char *p) | |
1da177e4 LT |
935 | { |
936 | int len = 0; | |
78f81cc4 BD |
937 | int occupied = bay_occupied(bay); |
938 | int occupied2 = bay_occupied(bay2); | |
939 | int eject, eject2; | |
940 | ||
941 | len += sprintf(p + len, "status:\t\t%s\n", bay_status_supported ? | |
942 | (occupied ? "occupied" : "unoccupied") : | |
943 | "not supported"); | |
944 | if (bay_status2_supported) | |
945 | len += sprintf(p + len, "status2:\t%s\n", occupied2 ? | |
946 | "occupied" : "unoccupied"); | |
947 | ||
948 | eject = bay_eject_supported && occupied; | |
949 | eject2 = bay_eject2_supported && occupied2; | |
950 | ||
951 | if (eject && eject2) | |
952 | len += sprintf(p + len, "commands:\teject, eject2\n"); | |
953 | else if (eject) | |
1da177e4 | 954 | len += sprintf(p + len, "commands:\teject\n"); |
78f81cc4 BD |
955 | else if (eject2) |
956 | len += sprintf(p + len, "commands:\teject2\n"); | |
1da177e4 LT |
957 | |
958 | return len; | |
959 | } | |
960 | ||
78f81cc4 | 961 | static int bay_write(char *buf) |
1da177e4 LT |
962 | { |
963 | char *cmd; | |
964 | ||
78f81cc4 BD |
965 | if (!bay_eject_supported && !bay_eject2_supported) |
966 | return -ENODEV; | |
967 | ||
1da177e4 | 968 | while ((cmd = next_cmd(&buf))) { |
78f81cc4 BD |
969 | if (bay_eject_supported && strlencmp(cmd, "eject") == 0) { |
970 | if (!acpi_evalf(bay_ej_handle, NULL, NULL, "vd", 1)) | |
971 | return -EIO; | |
972 | } else if (bay_eject2_supported && | |
973 | strlencmp(cmd, "eject2") == 0) { | |
974 | if (!acpi_evalf(bay2_ej_handle, NULL, NULL, "vd", 1)) | |
1da177e4 LT |
975 | return -EIO; |
976 | } else | |
977 | return -EINVAL; | |
978 | } | |
979 | ||
980 | return 0; | |
78f81cc4 | 981 | } |
1da177e4 LT |
982 | |
983 | static void bay_notify(struct ibm_struct *ibm, u32 event) | |
984 | { | |
985 | acpi_bus_generate_event(ibm->device, event, 0); | |
986 | } | |
987 | ||
78f81cc4 | 988 | static int cmos_read(char *p) |
1da177e4 LT |
989 | { |
990 | int len = 0; | |
991 | ||
78f81cc4 BD |
992 | /* cmos not supported on 570, 600e/x, 770e, 770x, A21e, A2xm/p, |
993 | R30, R31, T20-22, X20-21 */ | |
1da177e4 LT |
994 | if (!cmos_handle) |
995 | len += sprintf(p + len, "status:\t\tnot supported\n"); | |
996 | else { | |
997 | len += sprintf(p + len, "status:\t\tsupported\n"); | |
78f81cc4 | 998 | len += sprintf(p + len, "commands:\t<cmd> (<cmd> is 0-21)\n"); |
1da177e4 LT |
999 | } |
1000 | ||
1001 | return len; | |
1002 | } | |
1003 | ||
78f81cc4 BD |
1004 | static int cmos_eval(int cmos_cmd) |
1005 | { | |
1006 | if (cmos_handle) | |
1007 | return acpi_evalf(cmos_handle, NULL, NULL, "vd", cmos_cmd); | |
1008 | else | |
1009 | return 1; | |
1010 | } | |
1011 | ||
1012 | static int cmos_write(char *buf) | |
1da177e4 LT |
1013 | { |
1014 | char *cmd; | |
1015 | int cmos_cmd; | |
1016 | ||
1017 | if (!cmos_handle) | |
1018 | return -EINVAL; | |
1019 | ||
1020 | while ((cmd = next_cmd(&buf))) { | |
78f81cc4 BD |
1021 | if (sscanf(cmd, "%u", &cmos_cmd) == 1 && |
1022 | cmos_cmd >= 0 && cmos_cmd <= 21) { | |
1da177e4 LT |
1023 | /* cmos_cmd set */ |
1024 | } else | |
1025 | return -EINVAL; | |
1026 | ||
78f81cc4 | 1027 | if (!cmos_eval(cmos_cmd)) |
1da177e4 LT |
1028 | return -EIO; |
1029 | } | |
1030 | ||
1031 | return 0; | |
78f81cc4 BD |
1032 | } |
1033 | ||
1034 | static int led_supported; | |
1035 | ||
1036 | #define LED_570 1 | |
1037 | #define LED_OLD 2 | |
1038 | #define LED_NEW 3 | |
1039 | ||
1040 | static int led_init(void) | |
1041 | { | |
1042 | if (!led_handle) | |
1043 | /* led not supported on R30, R31 */ | |
1044 | led_supported = 0; | |
1045 | else if (strlencmp(led_path, "SLED") == 0) | |
1046 | /* 570 */ | |
1047 | led_supported = LED_570; | |
1048 | else if (strlencmp(led_path, "SYSL") == 0) | |
1049 | /* 600e/x, 770e, 770x, A21e, A2xm/p, T20-22, X20-21 */ | |
1050 | led_supported = LED_OLD; | |
1051 | else | |
1052 | /* all others */ | |
1053 | led_supported = LED_NEW; | |
1054 | ||
1055 | return 0; | |
1056 | } | |
1057 | ||
1058 | #define led_status(s) ((s) == 0 ? "off" : ((s) == 1 ? "on" : "blinking")) | |
1059 | ||
1060 | static int led_read(char *p) | |
1da177e4 LT |
1061 | { |
1062 | int len = 0; | |
1063 | ||
78f81cc4 BD |
1064 | if (!led_supported) { |
1065 | len += sprintf(p + len, "status:\t\tnot supported\n"); | |
1066 | return len; | |
1067 | } | |
1068 | len += sprintf(p + len, "status:\t\tsupported\n"); | |
1069 | ||
1070 | if (led_supported == LED_570) { | |
1071 | /* 570 */ | |
1072 | int i, status; | |
1073 | for (i = 0; i < 8; i++) { | |
1074 | if (!acpi_evalf(ec_handle, | |
1075 | &status, "GLED", "dd", 1 << i)) | |
1076 | return -EIO; | |
1077 | len += sprintf(p + len, "%d:\t\t%s\n", | |
1078 | i, led_status(status)); | |
1079 | } | |
1080 | } | |
1081 | ||
1da177e4 | 1082 | len += sprintf(p + len, "commands:\t" |
78f81cc4 | 1083 | "<led> on, <led> off, <led> blink (<led> is 0-7)\n"); |
1da177e4 LT |
1084 | |
1085 | return len; | |
1086 | } | |
1087 | ||
78f81cc4 BD |
1088 | /* off, on, blink */ |
1089 | static const int led_sled_arg1[] = { 0, 1, 3 }; | |
1090 | static const int led_exp_hlbl[] = { 0, 0, 1 }; /* led# * */ | |
1091 | static const int led_exp_hlcl[] = { 0, 1, 1 }; /* led# * */ | |
1092 | static const int led_led_arg1[] = { 0, 0x80, 0xc0 }; | |
1093 | ||
1094 | #define EC_HLCL 0x0c | |
1095 | #define EC_HLBL 0x0d | |
1096 | #define EC_HLMS 0x0e | |
1097 | ||
1098 | static int led_write(char *buf) | |
1da177e4 LT |
1099 | { |
1100 | char *cmd; | |
78f81cc4 BD |
1101 | int led, ind, ret; |
1102 | ||
1103 | if (!led_supported) | |
1104 | return -ENODEV; | |
1da177e4 LT |
1105 | |
1106 | while ((cmd = next_cmd(&buf))) { | |
78f81cc4 | 1107 | if (sscanf(cmd, "%d", &led) != 1 || led < 0 || led > 7) |
1da177e4 LT |
1108 | return -EINVAL; |
1109 | ||
78f81cc4 BD |
1110 | if (strstr(cmd, "off")) { |
1111 | ind = 0; | |
1da177e4 | 1112 | } else if (strstr(cmd, "on")) { |
78f81cc4 BD |
1113 | ind = 1; |
1114 | } else if (strstr(cmd, "blink")) { | |
1115 | ind = 2; | |
1da177e4 LT |
1116 | } else |
1117 | return -EINVAL; | |
78f81cc4 BD |
1118 | |
1119 | if (led_supported == LED_570) { | |
1120 | /* 570 */ | |
1121 | led = 1 << led; | |
1da177e4 | 1122 | if (!acpi_evalf(led_handle, NULL, NULL, "vdd", |
78f81cc4 | 1123 | led, led_sled_arg1[ind])) |
1da177e4 | 1124 | return -EIO; |
78f81cc4 BD |
1125 | } else if (led_supported == LED_OLD) { |
1126 | /* 600e/x, 770e, 770x, A21e, A2xm/p, T20-22, X20 */ | |
1127 | led = 1 << led; | |
1128 | ret = ec_write(EC_HLMS, led); | |
1129 | if (ret >= 0) | |
1130 | ret = | |
1131 | ec_write(EC_HLBL, led * led_exp_hlbl[ind]); | |
1132 | if (ret >= 0) | |
1133 | ret = | |
1134 | ec_write(EC_HLCL, led * led_exp_hlcl[ind]); | |
1135 | if (ret < 0) | |
1136 | return ret; | |
1137 | } else { | |
1138 | /* all others */ | |
1139 | if (!acpi_evalf(led_handle, NULL, NULL, "vdd", | |
1140 | led, led_led_arg1[ind])) | |
1da177e4 | 1141 | return -EIO; |
78f81cc4 BD |
1142 | } |
1143 | } | |
1144 | ||
1145 | return 0; | |
1146 | } | |
1147 | ||
1148 | static int beep_read(char *p) | |
1149 | { | |
1150 | int len = 0; | |
1151 | ||
1152 | if (!beep_handle) | |
1153 | len += sprintf(p + len, "status:\t\tnot supported\n"); | |
1154 | else { | |
1155 | len += sprintf(p + len, "status:\t\tsupported\n"); | |
1156 | len += sprintf(p + len, "commands:\t<cmd> (<cmd> is 0-17)\n"); | |
1157 | } | |
1158 | ||
1159 | return len; | |
1160 | } | |
1161 | ||
1162 | static int beep_write(char *buf) | |
1163 | { | |
1164 | char *cmd; | |
1165 | int beep_cmd; | |
1166 | ||
1167 | if (!beep_handle) | |
1168 | return -ENODEV; | |
1169 | ||
1170 | while ((cmd = next_cmd(&buf))) { | |
1171 | if (sscanf(cmd, "%u", &beep_cmd) == 1 && | |
1172 | beep_cmd >= 0 && beep_cmd <= 17) { | |
1173 | /* beep_cmd set */ | |
1174 | } else | |
1175 | return -EINVAL; | |
1176 | if (!acpi_evalf(beep_handle, NULL, NULL, "vdd", beep_cmd, 0)) | |
1177 | return -EIO; | |
1178 | } | |
1179 | ||
1180 | return 0; | |
1181 | } | |
1182 | ||
1183 | static int acpi_ec_read(int i, u8 * p) | |
1184 | { | |
1185 | int v; | |
1186 | ||
1187 | if (ecrd_handle) { | |
1188 | if (!acpi_evalf(ecrd_handle, &v, NULL, "dd", i)) | |
1189 | return 0; | |
1190 | *p = v; | |
1191 | } else { | |
1192 | if (ec_read(i, p) < 0) | |
1193 | return 0; | |
1194 | } | |
1195 | ||
1196 | return 1; | |
1197 | } | |
1198 | ||
1199 | static int acpi_ec_write(int i, u8 v) | |
1200 | { | |
1201 | if (ecwr_handle) { | |
1202 | if (!acpi_evalf(ecwr_handle, NULL, NULL, "vdd", i, v)) | |
1203 | return 0; | |
1204 | } else { | |
1205 | if (ec_write(i, v) < 0) | |
1206 | return 0; | |
1207 | } | |
1208 | ||
1209 | return 1; | |
1210 | } | |
1211 | ||
1212 | static int thermal_tmp_supported; | |
1213 | static int thermal_updt_supported; | |
1214 | ||
1215 | static int thermal_init(void) | |
1216 | { | |
1217 | /* temperatures not supported on 570, G4x, R30, R31, R32 */ | |
1218 | thermal_tmp_supported = acpi_evalf(ec_handle, NULL, "TMP7", "qv"); | |
1219 | ||
1220 | /* 600e/x, 770e, 770x */ | |
1221 | thermal_updt_supported = acpi_evalf(ec_handle, NULL, "UPDT", "qv"); | |
1222 | ||
1223 | return 0; | |
1224 | } | |
1225 | ||
1226 | static int thermal_read(char *p) | |
1227 | { | |
1228 | int len = 0; | |
1229 | ||
1230 | if (!thermal_tmp_supported) | |
1231 | len += sprintf(p + len, "temperatures:\tnot supported\n"); | |
1232 | else { | |
1233 | int i, t; | |
1234 | char tmpi[] = "TMPi"; | |
1235 | s8 tmp[8]; | |
1236 | ||
1237 | if (thermal_updt_supported) | |
1238 | if (!acpi_evalf(ec_handle, NULL, "UPDT", "v")) | |
1239 | return -EIO; | |
1240 | ||
1241 | for (i = 0; i < 8; i++) { | |
1242 | tmpi[3] = '0' + i; | |
1243 | if (!acpi_evalf(ec_handle, &t, tmpi, "d")) | |
1244 | return -EIO; | |
1245 | if (thermal_updt_supported) | |
1246 | tmp[i] = (t - 2732 + 5) / 10; | |
1247 | else | |
1248 | tmp[i] = t; | |
1249 | } | |
1250 | ||
1251 | len += sprintf(p + len, | |
1252 | "temperatures:\t%d %d %d %d %d %d %d %d\n", | |
1253 | tmp[0], tmp[1], tmp[2], tmp[3], | |
1254 | tmp[4], tmp[5], tmp[6], tmp[7]); | |
1255 | } | |
1256 | ||
1257 | return len; | |
1258 | } | |
1259 | ||
1260 | static u8 ecdump_regs[256]; | |
1261 | ||
1262 | static int ecdump_read(char *p) | |
1263 | { | |
1264 | int len = 0; | |
1265 | int i, j; | |
1266 | u8 v; | |
1267 | ||
1268 | len += sprintf(p + len, "EC " | |
1269 | " +00 +01 +02 +03 +04 +05 +06 +07" | |
1270 | " +08 +09 +0a +0b +0c +0d +0e +0f\n"); | |
1271 | for (i = 0; i < 256; i += 16) { | |
1272 | len += sprintf(p + len, "EC 0x%02x:", i); | |
1273 | for (j = 0; j < 16; j++) { | |
1274 | if (!acpi_ec_read(i + j, &v)) | |
1275 | break; | |
1276 | if (v != ecdump_regs[i + j]) | |
1277 | len += sprintf(p + len, " *%02x", v); | |
1278 | else | |
1279 | len += sprintf(p + len, " %02x", v); | |
1280 | ecdump_regs[i + j] = v; | |
1281 | } | |
1282 | len += sprintf(p + len, "\n"); | |
1283 | if (j != 16) | |
1284 | break; | |
1285 | } | |
1286 | ||
1287 | /* These are way too dangerous to advertise openly... */ | |
1288 | #if 0 | |
1289 | len += sprintf(p + len, "commands:\t0x<offset> 0x<value>" | |
1290 | " (<offset> is 00-ff, <value> is 00-ff)\n"); | |
1291 | len += sprintf(p + len, "commands:\t0x<offset> <value> " | |
1292 | " (<offset> is 00-ff, <value> is 0-255)\n"); | |
1293 | #endif | |
1294 | return len; | |
1295 | } | |
1296 | ||
1297 | static int ecdump_write(char *buf) | |
1298 | { | |
1299 | char *cmd; | |
1300 | int i, v; | |
1301 | ||
1302 | while ((cmd = next_cmd(&buf))) { | |
1303 | if (sscanf(cmd, "0x%x 0x%x", &i, &v) == 2) { | |
1304 | /* i and v set */ | |
1305 | } else if (sscanf(cmd, "0x%x %u", &i, &v) == 2) { | |
1306 | /* i and v set */ | |
1307 | } else | |
1308 | return -EINVAL; | |
1309 | if (i >= 0 && i < 256 && v >= 0 && v < 256) { | |
1310 | if (!acpi_ec_write(i, v)) | |
1da177e4 LT |
1311 | return -EIO; |
1312 | } else | |
1313 | return -EINVAL; | |
1314 | } | |
1315 | ||
1316 | return 0; | |
78f81cc4 BD |
1317 | } |
1318 | ||
1319 | static int brightness_offset = 0x31; | |
1320 | ||
1321 | static int brightness_read(char *p) | |
1da177e4 LT |
1322 | { |
1323 | int len = 0; | |
78f81cc4 | 1324 | u8 level; |
1da177e4 | 1325 | |
78f81cc4 BD |
1326 | if (!acpi_ec_read(brightness_offset, &level)) { |
1327 | len += sprintf(p + len, "level:\t\tunreadable\n"); | |
1328 | } else { | |
1329 | len += sprintf(p + len, "level:\t\t%d\n", level & 0x7); | |
1330 | len += sprintf(p + len, "commands:\tup, down\n"); | |
1331 | len += sprintf(p + len, "commands:\tlevel <level>" | |
1332 | " (<level> is 0-7)\n"); | |
1333 | } | |
1da177e4 LT |
1334 | |
1335 | return len; | |
1336 | } | |
1337 | ||
78f81cc4 BD |
1338 | #define BRIGHTNESS_UP 4 |
1339 | #define BRIGHTNESS_DOWN 5 | |
1340 | ||
1341 | static int brightness_write(char *buf) | |
1da177e4 | 1342 | { |
78f81cc4 BD |
1343 | int cmos_cmd, inc, i; |
1344 | u8 level; | |
1345 | int new_level; | |
1da177e4 | 1346 | char *cmd; |
1da177e4 LT |
1347 | |
1348 | while ((cmd = next_cmd(&buf))) { | |
78f81cc4 BD |
1349 | if (!acpi_ec_read(brightness_offset, &level)) |
1350 | return -EIO; | |
1351 | level &= 7; | |
1352 | ||
1353 | if (strlencmp(cmd, "up") == 0) { | |
1354 | new_level = level == 7 ? 7 : level + 1; | |
1355 | } else if (strlencmp(cmd, "down") == 0) { | |
1356 | new_level = level == 0 ? 0 : level - 1; | |
1357 | } else if (sscanf(cmd, "level %d", &new_level) == 1 && | |
1358 | new_level >= 0 && new_level <= 7) { | |
1359 | /* new_level set */ | |
1360 | } else | |
1361 | return -EINVAL; | |
1362 | ||
1363 | cmos_cmd = new_level > level ? BRIGHTNESS_UP : BRIGHTNESS_DOWN; | |
1364 | inc = new_level > level ? 1 : -1; | |
1365 | for (i = level; i != new_level; i += inc) { | |
1366 | if (!cmos_eval(cmos_cmd)) | |
1367 | return -EIO; | |
1368 | if (!acpi_ec_write(brightness_offset, i + inc)) | |
1369 | return -EIO; | |
1370 | } | |
1371 | } | |
1372 | ||
1373 | return 0; | |
1374 | } | |
1375 | ||
1376 | static int volume_offset = 0x30; | |
1377 | ||
1378 | static int volume_read(char *p) | |
1379 | { | |
1380 | int len = 0; | |
1381 | u8 level; | |
1382 | ||
1383 | if (!acpi_ec_read(volume_offset, &level)) { | |
1384 | len += sprintf(p + len, "level:\t\tunreadable\n"); | |
1385 | } else { | |
1386 | len += sprintf(p + len, "level:\t\t%d\n", level & 0xf); | |
1387 | len += sprintf(p + len, "mute:\t\t%s\n", onoff(level, 6)); | |
1388 | len += sprintf(p + len, "commands:\tup, down, mute\n"); | |
1389 | len += sprintf(p + len, "commands:\tlevel <level>" | |
1390 | " (<level> is 0-15)\n"); | |
1391 | } | |
1392 | ||
1393 | return len; | |
1394 | } | |
1395 | ||
1396 | #define VOLUME_DOWN 0 | |
1397 | #define VOLUME_UP 1 | |
1398 | #define VOLUME_MUTE 2 | |
1399 | ||
1400 | static int volume_write(char *buf) | |
1401 | { | |
1402 | int cmos_cmd, inc, i; | |
1403 | u8 level, mute; | |
1404 | int new_level, new_mute; | |
1405 | char *cmd; | |
1406 | ||
1407 | while ((cmd = next_cmd(&buf))) { | |
1408 | if (!acpi_ec_read(volume_offset, &level)) | |
1409 | return -EIO; | |
1410 | new_mute = mute = level & 0x40; | |
1411 | new_level = level = level & 0xf; | |
1412 | ||
1413 | if (strlencmp(cmd, "up") == 0) { | |
1414 | if (mute) | |
1415 | new_mute = 0; | |
1416 | else | |
1417 | new_level = level == 15 ? 15 : level + 1; | |
1418 | } else if (strlencmp(cmd, "down") == 0) { | |
1419 | if (mute) | |
1420 | new_mute = 0; | |
1421 | else | |
1422 | new_level = level == 0 ? 0 : level - 1; | |
1423 | } else if (sscanf(cmd, "level %d", &new_level) == 1 && | |
1424 | new_level >= 0 && new_level <= 15) { | |
1425 | /* new_level set */ | |
1426 | } else if (strlencmp(cmd, "mute") == 0) { | |
1427 | new_mute = 0x40; | |
1da177e4 LT |
1428 | } else |
1429 | return -EINVAL; | |
1430 | ||
78f81cc4 BD |
1431 | if (new_level != level) { /* mute doesn't change */ |
1432 | cmos_cmd = new_level > level ? VOLUME_UP : VOLUME_DOWN; | |
1433 | inc = new_level > level ? 1 : -1; | |
1434 | ||
1435 | if (mute && (!cmos_eval(cmos_cmd) || | |
1436 | !acpi_ec_write(volume_offset, level))) | |
1437 | return -EIO; | |
1438 | ||
1439 | for (i = level; i != new_level; i += inc) | |
1440 | if (!cmos_eval(cmos_cmd) || | |
1441 | !acpi_ec_write(volume_offset, i + inc)) | |
1442 | return -EIO; | |
1443 | ||
1444 | if (mute && (!cmos_eval(VOLUME_MUTE) || | |
1445 | !acpi_ec_write(volume_offset, | |
1446 | new_level + mute))) | |
1447 | return -EIO; | |
1448 | } | |
1449 | ||
1450 | if (new_mute != mute) { /* level doesn't change */ | |
1451 | cmos_cmd = new_mute ? VOLUME_MUTE : VOLUME_UP; | |
1452 | ||
1453 | if (!cmos_eval(cmos_cmd) || | |
1454 | !acpi_ec_write(volume_offset, level + new_mute)) | |
1455 | return -EIO; | |
1456 | } | |
1457 | } | |
1458 | ||
1459 | return 0; | |
1460 | } | |
1461 | ||
1462 | static int fan_status_offset = 0x2f; | |
1463 | static int fan_rpm_offset = 0x84; | |
1464 | ||
1465 | static int fan_read(char *p) | |
1466 | { | |
1467 | int len = 0; | |
1468 | int s; | |
1469 | u8 lo, hi, status; | |
1470 | ||
1471 | if (gfan_handle) { | |
1472 | /* 570, 600e/x, 770e, 770x */ | |
1473 | if (!acpi_evalf(gfan_handle, &s, NULL, "d")) | |
1da177e4 | 1474 | return -EIO; |
78f81cc4 BD |
1475 | |
1476 | len += sprintf(p + len, "level:\t\t%d\n", s); | |
1477 | } else { | |
1478 | /* all except 570, 600e/x, 770e, 770x */ | |
1479 | if (!acpi_ec_read(fan_status_offset, &status)) | |
1480 | len += sprintf(p + len, "status:\t\tunreadable\n"); | |
1481 | else | |
1482 | len += sprintf(p + len, "status:\t\t%s\n", | |
1483 | enabled(status, 7)); | |
1484 | ||
1485 | if (!acpi_ec_read(fan_rpm_offset, &lo) || | |
1486 | !acpi_ec_read(fan_rpm_offset + 1, &hi)) | |
1487 | len += sprintf(p + len, "speed:\t\tunreadable\n"); | |
1488 | else | |
1489 | len += sprintf(p + len, "speed:\t\t%d\n", | |
1490 | (hi << 8) + lo); | |
1491 | } | |
1492 | ||
1493 | if (sfan_handle) | |
1494 | /* 570, 770x-JL */ | |
1495 | len += sprintf(p + len, "commands:\tlevel <level>" | |
1496 | " (<level> is 0-7)\n"); | |
1497 | if (!gfan_handle) | |
1498 | /* all except 570, 600e/x, 770e, 770x */ | |
1499 | len += sprintf(p + len, "commands:\tenable, disable\n"); | |
1500 | if (fans_handle) | |
1501 | /* X31, X40 */ | |
1502 | len += sprintf(p + len, "commands:\tspeed <speed>" | |
1503 | " (<speed> is 0-65535)\n"); | |
1504 | ||
1505 | return len; | |
1506 | } | |
1507 | ||
1508 | static int fan_write(char *buf) | |
1509 | { | |
1510 | char *cmd; | |
1511 | int level, speed; | |
1512 | ||
1513 | while ((cmd = next_cmd(&buf))) { | |
1514 | if (sfan_handle && | |
1515 | sscanf(cmd, "level %d", &level) == 1 && | |
1516 | level >= 0 && level <= 7) { | |
1517 | /* 570, 770x-JL */ | |
1518 | if (!acpi_evalf(sfan_handle, NULL, NULL, "vd", level)) | |
1519 | return -EIO; | |
1520 | } else if (!gfan_handle && strlencmp(cmd, "enable") == 0) { | |
1521 | /* all except 570, 600e/x, 770e, 770x */ | |
1522 | if (!acpi_ec_write(fan_status_offset, 0x80)) | |
1523 | return -EIO; | |
1524 | } else if (!gfan_handle && strlencmp(cmd, "disable") == 0) { | |
1525 | /* all except 570, 600e/x, 770e, 770x */ | |
1526 | if (!acpi_ec_write(fan_status_offset, 0x00)) | |
1527 | return -EIO; | |
1528 | } else if (fans_handle && | |
1529 | sscanf(cmd, "speed %d", &speed) == 1 && | |
1530 | speed >= 0 && speed <= 65535) { | |
1531 | /* X31, X40 */ | |
1532 | if (!acpi_evalf(fans_handle, NULL, NULL, "vddd", | |
1533 | speed, speed, speed)) | |
1534 | return -EIO; | |
1535 | } else | |
1536 | return -EINVAL; | |
1da177e4 LT |
1537 | } |
1538 | ||
1539 | return 0; | |
78f81cc4 BD |
1540 | } |
1541 | ||
1da177e4 LT |
1542 | static struct ibm_struct ibms[] = { |
1543 | { | |
78f81cc4 BD |
1544 | .name = "driver", |
1545 | .init = driver_init, | |
1546 | .read = driver_read, | |
1547 | }, | |
1548 | { | |
1549 | .name = "hotkey", | |
1550 | .hid = IBM_HKEY_HID, | |
1551 | .init = hotkey_init, | |
1552 | .read = hotkey_read, | |
1553 | .write = hotkey_write, | |
1554 | .exit = hotkey_exit, | |
1555 | .notify = hotkey_notify, | |
1556 | .handle = &hkey_handle, | |
1557 | .type = ACPI_DEVICE_NOTIFY, | |
1558 | }, | |
1559 | { | |
1560 | .name = "bluetooth", | |
1561 | .init = bluetooth_init, | |
1562 | .read = bluetooth_read, | |
1563 | .write = bluetooth_write, | |
1564 | }, | |
1565 | { | |
1566 | .name = "video", | |
1567 | .init = video_init, | |
1568 | .read = video_read, | |
1569 | .write = video_write, | |
1570 | .exit = video_exit, | |
1571 | }, | |
1da177e4 | 1572 | { |
78f81cc4 BD |
1573 | .name = "light", |
1574 | .init = light_init, | |
1575 | .read = light_read, | |
1576 | .write = light_write, | |
1577 | }, | |
63e5f248 | 1578 | #ifdef CONFIG_ACPI_IBM_DOCK |
1da177e4 | 1579 | { |
78f81cc4 BD |
1580 | .name = "dock", |
1581 | .read = dock_read, | |
1582 | .write = dock_write, | |
1583 | .notify = dock_notify, | |
1584 | .handle = &dock_handle, | |
1585 | .type = ACPI_SYSTEM_NOTIFY, | |
1586 | }, | |
1da177e4 | 1587 | { |
78f81cc4 BD |
1588 | .name = "dock", |
1589 | .hid = IBM_PCI_HID, | |
1590 | .notify = dock_notify, | |
1591 | .handle = &pci_handle, | |
1592 | .type = ACPI_SYSTEM_NOTIFY, | |
1593 | }, | |
63e5f248 | 1594 | #endif |
1da177e4 | 1595 | { |
78f81cc4 BD |
1596 | .name = "bay", |
1597 | .init = bay_init, | |
1598 | .read = bay_read, | |
1599 | .write = bay_write, | |
1600 | .notify = bay_notify, | |
1601 | .handle = &bay_handle, | |
1602 | .type = ACPI_SYSTEM_NOTIFY, | |
1603 | }, | |
1da177e4 | 1604 | { |
78f81cc4 BD |
1605 | .name = "cmos", |
1606 | .read = cmos_read, | |
1607 | .write = cmos_write, | |
1608 | }, | |
1da177e4 | 1609 | { |
78f81cc4 BD |
1610 | .name = "led", |
1611 | .init = led_init, | |
1612 | .read = led_read, | |
1613 | .write = led_write, | |
1614 | }, | |
1da177e4 | 1615 | { |
78f81cc4 BD |
1616 | .name = "beep", |
1617 | .read = beep_read, | |
1618 | .write = beep_write, | |
1619 | }, | |
1da177e4 | 1620 | { |
78f81cc4 BD |
1621 | .name = "thermal", |
1622 | .init = thermal_init, | |
1623 | .read = thermal_read, | |
1624 | }, | |
1da177e4 | 1625 | { |
78f81cc4 BD |
1626 | .name = "ecdump", |
1627 | .read = ecdump_read, | |
1628 | .write = ecdump_write, | |
1629 | .experimental = 1, | |
1630 | }, | |
1631 | { | |
1632 | .name = "brightness", | |
1633 | .read = brightness_read, | |
1634 | .write = brightness_write, | |
1635 | .experimental = 1, | |
1636 | }, | |
1637 | { | |
1638 | .name = "volume", | |
1639 | .read = volume_read, | |
1640 | .write = volume_write, | |
1641 | .experimental = 1, | |
1642 | }, | |
1643 | { | |
1644 | .name = "fan", | |
1645 | .read = fan_read, | |
1646 | .write = fan_write, | |
1647 | .experimental = 1, | |
1648 | }, | |
1da177e4 | 1649 | }; |
1da177e4 LT |
1650 | |
1651 | static int dispatch_read(char *page, char **start, off_t off, int count, | |
1652 | int *eof, void *data) | |
1653 | { | |
1654 | struct ibm_struct *ibm = (struct ibm_struct *)data; | |
1655 | int len; | |
78f81cc4 | 1656 | |
1da177e4 LT |
1657 | if (!ibm || !ibm->read) |
1658 | return -EINVAL; | |
1659 | ||
78f81cc4 | 1660 | len = ibm->read(page); |
1da177e4 LT |
1661 | if (len < 0) |
1662 | return len; | |
1663 | ||
1664 | if (len <= off + count) | |
1665 | *eof = 1; | |
1666 | *start = page + off; | |
1667 | len -= off; | |
1668 | if (len > count) | |
1669 | len = count; | |
1670 | if (len < 0) | |
1671 | len = 0; | |
1672 | ||
1673 | return len; | |
1674 | } | |
1675 | ||
78f81cc4 | 1676 | static int dispatch_write(struct file *file, const char __user * userbuf, |
1da177e4 LT |
1677 | unsigned long count, void *data) |
1678 | { | |
1679 | struct ibm_struct *ibm = (struct ibm_struct *)data; | |
1680 | char *kernbuf; | |
1681 | int ret; | |
1682 | ||
1683 | if (!ibm || !ibm->write) | |
1684 | return -EINVAL; | |
1685 | ||
1686 | kernbuf = kmalloc(count + 2, GFP_KERNEL); | |
1687 | if (!kernbuf) | |
1688 | return -ENOMEM; | |
1689 | ||
78f81cc4 | 1690 | if (copy_from_user(kernbuf, userbuf, count)) { |
1da177e4 | 1691 | kfree(kernbuf); |
78f81cc4 | 1692 | return -EFAULT; |
1da177e4 LT |
1693 | } |
1694 | ||
1695 | kernbuf[count] = 0; | |
1696 | strcat(kernbuf, ","); | |
78f81cc4 | 1697 | ret = ibm->write(kernbuf); |
1da177e4 LT |
1698 | if (ret == 0) |
1699 | ret = count; | |
1700 | ||
1701 | kfree(kernbuf); | |
1702 | ||
78f81cc4 | 1703 | return ret; |
1da177e4 LT |
1704 | } |
1705 | ||
1706 | static void dispatch_notify(acpi_handle handle, u32 event, void *data) | |
1707 | { | |
1708 | struct ibm_struct *ibm = (struct ibm_struct *)data; | |
1709 | ||
1710 | if (!ibm || !ibm->notify) | |
1711 | return; | |
1712 | ||
1713 | ibm->notify(ibm, event); | |
1714 | } | |
1715 | ||
78f81cc4 | 1716 | static int __init setup_notify(struct ibm_struct *ibm) |
1da177e4 LT |
1717 | { |
1718 | acpi_status status; | |
1719 | int ret; | |
1720 | ||
1721 | if (!*ibm->handle) | |
1722 | return 0; | |
1723 | ||
1724 | ret = acpi_bus_get_device(*ibm->handle, &ibm->device); | |
1725 | if (ret < 0) { | |
1726 | printk(IBM_ERR "%s device not present\n", ibm->name); | |
1727 | return 0; | |
1728 | } | |
1729 | ||
1730 | acpi_driver_data(ibm->device) = ibm; | |
1731 | sprintf(acpi_device_class(ibm->device), "%s/%s", IBM_NAME, ibm->name); | |
1732 | ||
1733 | status = acpi_install_notify_handler(*ibm->handle, ibm->type, | |
1734 | dispatch_notify, ibm); | |
1735 | if (ACPI_FAILURE(status)) { | |
1736 | printk(IBM_ERR "acpi_install_notify_handler(%s) failed: %d\n", | |
1737 | ibm->name, status); | |
1738 | return -ENODEV; | |
1739 | } | |
1740 | ||
1da177e4 LT |
1741 | return 0; |
1742 | } | |
1743 | ||
78f81cc4 | 1744 | static int __init ibm_device_add(struct acpi_device *device) |
1da177e4 LT |
1745 | { |
1746 | return 0; | |
1747 | } | |
1748 | ||
78f81cc4 | 1749 | static int __init register_driver(struct ibm_struct *ibm) |
1da177e4 LT |
1750 | { |
1751 | int ret; | |
1752 | ||
1753 | ibm->driver = kmalloc(sizeof(struct acpi_driver), GFP_KERNEL); | |
1754 | if (!ibm->driver) { | |
1755 | printk(IBM_ERR "kmalloc(ibm->driver) failed\n"); | |
1756 | return -1; | |
1757 | } | |
1758 | ||
1759 | memset(ibm->driver, 0, sizeof(struct acpi_driver)); | |
1760 | sprintf(ibm->driver->name, "%s/%s", IBM_NAME, ibm->name); | |
1761 | ibm->driver->ids = ibm->hid; | |
78f81cc4 | 1762 | ibm->driver->ops.add = &ibm_device_add; |
1da177e4 LT |
1763 | |
1764 | ret = acpi_bus_register_driver(ibm->driver); | |
1765 | if (ret < 0) { | |
1766 | printk(IBM_ERR "acpi_bus_register_driver(%s) failed: %d\n", | |
1767 | ibm->hid, ret); | |
1768 | kfree(ibm->driver); | |
1769 | } | |
1770 | ||
1771 | return ret; | |
1772 | } | |
1773 | ||
78f81cc4 | 1774 | static int __init ibm_init(struct ibm_struct *ibm) |
1da177e4 LT |
1775 | { |
1776 | int ret; | |
1777 | struct proc_dir_entry *entry; | |
1778 | ||
1779 | if (ibm->experimental && !experimental) | |
1780 | return 0; | |
1781 | ||
1782 | if (ibm->hid) { | |
1783 | ret = register_driver(ibm); | |
1784 | if (ret < 0) | |
1785 | return ret; | |
1786 | ibm->driver_registered = 1; | |
1787 | } | |
1788 | ||
1789 | if (ibm->init) { | |
78f81cc4 | 1790 | ret = ibm->init(); |
1da177e4 LT |
1791 | if (ret != 0) |
1792 | return ret; | |
1793 | ibm->init_called = 1; | |
1794 | } | |
1795 | ||
78f81cc4 BD |
1796 | if (ibm->read) { |
1797 | entry = create_proc_entry(ibm->name, | |
1798 | S_IFREG | S_IRUGO | S_IWUSR, | |
1799 | proc_dir); | |
1800 | if (!entry) { | |
1801 | printk(IBM_ERR "unable to create proc entry %s\n", | |
1802 | ibm->name); | |
1803 | return -ENODEV; | |
1804 | } | |
1805 | entry->owner = THIS_MODULE; | |
1806 | entry->data = ibm; | |
1da177e4 | 1807 | entry->read_proc = &dispatch_read; |
78f81cc4 BD |
1808 | if (ibm->write) |
1809 | entry->write_proc = &dispatch_write; | |
1810 | ibm->proc_created = 1; | |
1811 | } | |
1da177e4 LT |
1812 | |
1813 | if (ibm->notify) { | |
1814 | ret = setup_notify(ibm); | |
1815 | if (ret < 0) | |
1816 | return ret; | |
78f81cc4 | 1817 | ibm->notify_installed = 1; |
1da177e4 LT |
1818 | } |
1819 | ||
1820 | return 0; | |
1821 | } | |
1822 | ||
1823 | static void ibm_exit(struct ibm_struct *ibm) | |
1824 | { | |
1825 | if (ibm->notify_installed) | |
1826 | acpi_remove_notify_handler(*ibm->handle, ibm->type, | |
1827 | dispatch_notify); | |
1828 | ||
1829 | if (ibm->proc_created) | |
1830 | remove_proc_entry(ibm->name, proc_dir); | |
1831 | ||
1832 | if (ibm->init_called && ibm->exit) | |
78f81cc4 | 1833 | ibm->exit(); |
1da177e4 LT |
1834 | |
1835 | if (ibm->driver_registered) { | |
1836 | acpi_bus_unregister_driver(ibm->driver); | |
1837 | kfree(ibm->driver); | |
1838 | } | |
1839 | } | |
1840 | ||
78f81cc4 BD |
1841 | static void __init ibm_handle_init(char *name, |
1842 | acpi_handle * handle, acpi_handle parent, | |
1843 | char **paths, int num_paths, char **path) | |
1da177e4 LT |
1844 | { |
1845 | int i; | |
1846 | acpi_status status; | |
1847 | ||
78f81cc4 | 1848 | for (i = 0; i < num_paths; i++) { |
1da177e4 | 1849 | status = acpi_get_handle(parent, paths[i], handle); |
78f81cc4 BD |
1850 | if (ACPI_SUCCESS(status)) { |
1851 | *path = paths[i]; | |
1852 | return; | |
1853 | } | |
1da177e4 LT |
1854 | } |
1855 | ||
78f81cc4 | 1856 | *handle = NULL; |
1da177e4 LT |
1857 | } |
1858 | ||
78f81cc4 | 1859 | #define IBM_HANDLE_INIT(object) \ |
1da177e4 | 1860 | ibm_handle_init(#object, &object##_handle, *object##_parent, \ |
78f81cc4 | 1861 | object##_paths, ARRAY_SIZE(object##_paths), &object##_path) |
1da177e4 LT |
1862 | |
1863 | static int set_ibm_param(const char *val, struct kernel_param *kp) | |
1864 | { | |
1865 | unsigned int i; | |
1da177e4 | 1866 | |
78f81cc4 BD |
1867 | for (i = 0; i < ARRAY_SIZE(ibms); i++) |
1868 | if (strcmp(ibms[i].name, kp->name) == 0 && ibms[i].write) { | |
1869 | if (strlen(val) > sizeof(ibms[i].param) - 2) | |
1870 | return -ENOSPC; | |
1871 | strcpy(ibms[i].param, val); | |
1872 | strcat(ibms[i].param, ","); | |
1873 | return 0; | |
1874 | } | |
1da177e4 | 1875 | |
1da177e4 LT |
1876 | return -EINVAL; |
1877 | } | |
1878 | ||
1879 | #define IBM_PARAM(feature) \ | |
1880 | module_param_call(feature, set_ibm_param, NULL, NULL, 0) | |
1881 | ||
78f81cc4 BD |
1882 | IBM_PARAM(hotkey); |
1883 | IBM_PARAM(bluetooth); | |
1884 | IBM_PARAM(video); | |
1885 | IBM_PARAM(light); | |
63e5f248 | 1886 | #ifdef CONFIG_ACPI_IBM_DOCK |
78f81cc4 | 1887 | IBM_PARAM(dock); |
63e5f248 | 1888 | #endif |
78f81cc4 BD |
1889 | IBM_PARAM(bay); |
1890 | IBM_PARAM(cmos); | |
1891 | IBM_PARAM(led); | |
1892 | IBM_PARAM(beep); | |
1893 | IBM_PARAM(ecdump); | |
1894 | IBM_PARAM(brightness); | |
1895 | IBM_PARAM(volume); | |
1896 | IBM_PARAM(fan); | |
1897 | ||
1da177e4 LT |
1898 | static void acpi_ibm_exit(void) |
1899 | { | |
1900 | int i; | |
1901 | ||
78f81cc4 | 1902 | for (i = ARRAY_SIZE(ibms) - 1; i >= 0; i--) |
1da177e4 LT |
1903 | ibm_exit(&ibms[i]); |
1904 | ||
1905 | remove_proc_entry(IBM_DIR, acpi_root_dir); | |
1906 | } | |
1907 | ||
1908 | static int __init acpi_ibm_init(void) | |
1909 | { | |
1910 | int ret, i; | |
1911 | ||
1912 | if (acpi_disabled) | |
1913 | return -ENODEV; | |
1914 | ||
78f81cc4 BD |
1915 | if (!acpi_specific_hotkey_enabled) { |
1916 | printk(IBM_ERR "using generic hotkey driver\n"); | |
1da177e4 | 1917 | return -ENODEV; |
78f81cc4 | 1918 | } |
1da177e4 | 1919 | |
78f81cc4 BD |
1920 | /* ec is required because many other handles are relative to it */ |
1921 | IBM_HANDLE_INIT(ec); | |
1922 | if (!ec_handle) { | |
1923 | printk(IBM_ERR "ec object not found\n"); | |
1da177e4 | 1924 | return -ENODEV; |
78f81cc4 | 1925 | } |
1da177e4 LT |
1926 | |
1927 | /* these handles are not required */ | |
78f81cc4 BD |
1928 | IBM_HANDLE_INIT(vid); |
1929 | IBM_HANDLE_INIT(vid2); | |
1930 | IBM_HANDLE_INIT(ledb); | |
1931 | IBM_HANDLE_INIT(led); | |
1932 | IBM_HANDLE_INIT(hkey); | |
1933 | IBM_HANDLE_INIT(lght); | |
1934 | IBM_HANDLE_INIT(cmos); | |
63e5f248 | 1935 | #ifdef CONFIG_ACPI_IBM_DOCK |
78f81cc4 | 1936 | IBM_HANDLE_INIT(dock); |
63e5f248 | 1937 | #endif |
78f81cc4 BD |
1938 | IBM_HANDLE_INIT(pci); |
1939 | IBM_HANDLE_INIT(bay); | |
1940 | if (bay_handle) | |
1941 | IBM_HANDLE_INIT(bay_ej); | |
1942 | IBM_HANDLE_INIT(bay2); | |
1943 | if (bay2_handle) | |
1944 | IBM_HANDLE_INIT(bay2_ej); | |
1945 | IBM_HANDLE_INIT(beep); | |
1946 | IBM_HANDLE_INIT(ecrd); | |
1947 | IBM_HANDLE_INIT(ecwr); | |
1948 | IBM_HANDLE_INIT(fans); | |
1949 | IBM_HANDLE_INIT(gfan); | |
1950 | IBM_HANDLE_INIT(sfan); | |
1da177e4 LT |
1951 | |
1952 | proc_dir = proc_mkdir(IBM_DIR, acpi_root_dir); | |
1953 | if (!proc_dir) { | |
1954 | printk(IBM_ERR "unable to create proc dir %s", IBM_DIR); | |
1955 | return -ENODEV; | |
1956 | } | |
1957 | proc_dir->owner = THIS_MODULE; | |
78f81cc4 BD |
1958 | |
1959 | for (i = 0; i < ARRAY_SIZE(ibms); i++) { | |
1da177e4 | 1960 | ret = ibm_init(&ibms[i]); |
78f81cc4 BD |
1961 | if (ret >= 0 && *ibms[i].param) |
1962 | ret = ibms[i].write(ibms[i].param); | |
1da177e4 LT |
1963 | if (ret < 0) { |
1964 | acpi_ibm_exit(); | |
1965 | return ret; | |
1966 | } | |
1967 | } | |
1968 | ||
1969 | return 0; | |
1970 | } | |
1971 | ||
1972 | module_init(acpi_ibm_init); | |
1973 | module_exit(acpi_ibm_exit); |