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> | |
8acb0250 | 81 | #include <linux/backlight.h> |
1da177e4 LT |
82 | #include <asm/uaccess.h> |
83 | ||
84 | #include <acpi/acpi_drivers.h> | |
85 | #include <acpi/acnamesp.h> | |
86 | ||
87 | #define IBM_NAME "ibm" | |
88 | #define IBM_DESC "IBM ThinkPad ACPI Extras" | |
89 | #define IBM_FILE "ibm_acpi" | |
90 | #define IBM_URL "http://ibm-acpi.sf.net/" | |
91 | ||
78f81cc4 BD |
92 | MODULE_AUTHOR("Borislav Deianov"); |
93 | MODULE_DESCRIPTION(IBM_DESC); | |
94 | MODULE_VERSION(IBM_VERSION); | |
95 | MODULE_LICENSE("GPL"); | |
96 | ||
1da177e4 LT |
97 | #define IBM_DIR IBM_NAME |
98 | ||
99 | #define IBM_LOG IBM_FILE ": " | |
100 | #define IBM_ERR KERN_ERR IBM_LOG | |
101 | #define IBM_NOTICE KERN_NOTICE IBM_LOG | |
102 | #define IBM_INFO KERN_INFO IBM_LOG | |
103 | #define IBM_DEBUG KERN_DEBUG IBM_LOG | |
104 | ||
105 | #define IBM_MAX_ACPI_ARGS 3 | |
106 | ||
107 | #define __unused __attribute__ ((unused)) | |
108 | ||
109 | static int experimental; | |
110 | module_param(experimental, int, 0); | |
111 | ||
112 | static acpi_handle root_handle = NULL; | |
113 | ||
114 | #define IBM_HANDLE(object, parent, paths...) \ | |
115 | static acpi_handle object##_handle; \ | |
116 | static acpi_handle *object##_parent = &parent##_handle; \ | |
78f81cc4 | 117 | static char *object##_path; \ |
1da177e4 LT |
118 | static char *object##_paths[] = { paths } |
119 | ||
78f81cc4 BD |
120 | /* |
121 | * The following models are supported to various degrees: | |
122 | * | |
123 | * 570, 600e, 600x, 770e, 770x | |
124 | * A20m, A21e, A21m, A21p, A22p, A30, A30p, A31, A31p | |
125 | * G40, G41 | |
126 | * R30, R31, R32, R40, R40e, R50, R50e, R50p, R51 | |
127 | * T20, T21, T22, T23, T30, T40, T40p, T41, T41p, T42, T42p, T43 | |
128 | * X20, X21, X22, X23, X24, X30, X31, X40 | |
129 | * | |
130 | * The following models have no supported features: | |
131 | * | |
132 | * 240, 240x, i1400 | |
133 | * | |
134 | * Still missing DSDTs for the following models: | |
135 | * | |
136 | * A20p, A22e, A22m | |
137 | * R52 | |
138 | * S31 | |
139 | * T43p | |
140 | */ | |
141 | ||
142 | IBM_HANDLE(ec, root, "\\_SB.PCI0.ISA.EC0", /* 240, 240x */ | |
143 | "\\_SB.PCI.ISA.EC", /* 570 */ | |
144 | "\\_SB.PCI0.ISA0.EC0", /* 600e/x, 770e, 770x */ | |
145 | "\\_SB.PCI0.ISA.EC", /* A21e, A2xm/p, T20-22, X20-21 */ | |
146 | "\\_SB.PCI0.AD4S.EC0", /* i1400, R30 */ | |
147 | "\\_SB.PCI0.ICH3.EC0", /* R31 */ | |
148 | "\\_SB.PCI0.LPC.EC", /* all others */ | |
149 | ); | |
150 | ||
151 | IBM_HANDLE(vid, root, "\\_SB.PCI.AGP.VGA", /* 570 */ | |
152 | "\\_SB.PCI0.AGP0.VID0", /* 600e/x, 770x */ | |
153 | "\\_SB.PCI0.VID0", /* 770e */ | |
154 | "\\_SB.PCI0.VID", /* A21e, G4x, R50e, X30, X40 */ | |
155 | "\\_SB.PCI0.AGP.VID", /* all others */ | |
156 | ); /* R30, R31 */ | |
157 | ||
158 | IBM_HANDLE(vid2, root, "\\_SB.PCI0.AGPB.VID"); /* G41 */ | |
159 | ||
160 | IBM_HANDLE(cmos, root, "\\UCMS", /* R50, R50e, R50p, R51, T4x, X31, X40 */ | |
161 | "\\CMOS", /* A3x, G4x, R32, T23, T30, X22-24, X30 */ | |
162 | "\\CMS", /* R40, R40e */ | |
163 | ); /* all others */ | |
63e5f248 | 164 | #ifdef CONFIG_ACPI_IBM_DOCK |
78f81cc4 BD |
165 | IBM_HANDLE(dock, root, "\\_SB.GDCK", /* X30, X31, X40 */ |
166 | "\\_SB.PCI0.DOCK", /* 600e/x,770e,770x,A2xm/p,T20-22,X20-21 */ | |
167 | "\\_SB.PCI0.PCI1.DOCK", /* all others */ | |
168 | "\\_SB.PCI.ISA.SLCE", /* 570 */ | |
169 | ); /* A21e,G4x,R30,R31,R32,R40,R40e,R50e */ | |
63e5f248 | 170 | #endif |
78f81cc4 BD |
171 | IBM_HANDLE(bay, root, "\\_SB.PCI.IDE.SECN.MAST", /* 570 */ |
172 | "\\_SB.PCI0.IDE0.IDES.IDSM", /* 600e/x, 770e, 770x */ | |
173 | "\\_SB.PCI0.IDE0.SCND.MSTR", /* all others */ | |
174 | ); /* A21e, R30, R31 */ | |
175 | ||
176 | IBM_HANDLE(bay_ej, bay, "_EJ3", /* 600e/x, A2xm/p, A3x */ | |
177 | "_EJ0", /* all others */ | |
178 | ); /* 570,A21e,G4x,R30,R31,R32,R40e,R50e */ | |
179 | ||
180 | IBM_HANDLE(bay2, root, "\\_SB.PCI0.IDE0.PRIM.SLAV", /* A3x, R32 */ | |
181 | "\\_SB.PCI0.IDE0.IDEP.IDPS", /* 600e/x, 770e, 770x */ | |
182 | ); /* all others */ | |
183 | ||
184 | IBM_HANDLE(bay2_ej, bay2, "_EJ3", /* 600e/x, 770e, A3x */ | |
185 | "_EJ0", /* 770x */ | |
186 | ); /* all others */ | |
187 | ||
188 | /* don't list other alternatives as we install a notify handler on the 570 */ | |
189 | IBM_HANDLE(pci, root, "\\_SB.PCI"); /* 570 */ | |
190 | ||
191 | IBM_HANDLE(hkey, ec, "\\_SB.HKEY", /* 600e/x, 770e, 770x */ | |
192 | "^HKEY", /* R30, R31 */ | |
193 | "HKEY", /* all others */ | |
194 | ); /* 570 */ | |
195 | ||
196 | IBM_HANDLE(lght, root, "\\LGHT"); /* A21e, A2xm/p, T20-22, X20-21 */ | |
197 | IBM_HANDLE(ledb, ec, "LEDB"); /* G4x */ | |
198 | ||
199 | IBM_HANDLE(led, ec, "SLED", /* 570 */ | |
200 | "SYSL", /* 600e/x, 770e, 770x, A21e, A2xm/p, T20-22, X20-21 */ | |
201 | "LED", /* all others */ | |
202 | ); /* R30, R31 */ | |
203 | ||
204 | IBM_HANDLE(beep, ec, "BEEP"); /* all except R30, R31 */ | |
205 | IBM_HANDLE(ecrd, ec, "ECRD"); /* 570 */ | |
206 | IBM_HANDLE(ecwr, ec, "ECWR"); /* 570 */ | |
207 | IBM_HANDLE(fans, ec, "FANS"); /* X31, X40 */ | |
208 | ||
209 | IBM_HANDLE(gfan, ec, "GFAN", /* 570 */ | |
210 | "\\FSPD", /* 600e/x, 770e, 770x */ | |
211 | ); /* all others */ | |
212 | ||
213 | IBM_HANDLE(sfan, ec, "SFAN", /* 570 */ | |
214 | "JFNS", /* 770x-JL */ | |
215 | ); /* all others */ | |
216 | ||
217 | #define IBM_HKEY_HID "IBM0068" | |
218 | #define IBM_PCI_HID "PNP0A03" | |
1da177e4 | 219 | |
a26f878a HMH |
220 | enum thermal_access_mode { |
221 | IBMACPI_THERMAL_NONE = 0, /* No thermal support */ | |
222 | IBMACPI_THERMAL_ACPI_TMP07, /* Use ACPI TMP0-7 */ | |
223 | IBMACPI_THERMAL_ACPI_UPDT, /* Use ACPI TMP0-7 with UPDT */ | |
224 | }; | |
225 | ||
226 | #define IBMACPI_MAX_THERMAL_SENSORS 8 /* Max thermal sensors supported */ | |
227 | struct ibm_thermal_sensors_struct { | |
228 | s32 temp[IBMACPI_MAX_THERMAL_SENSORS]; | |
229 | }; | |
230 | ||
1da177e4 LT |
231 | struct ibm_struct { |
232 | char *name; | |
78f81cc4 | 233 | char param[32]; |
1da177e4 LT |
234 | |
235 | char *hid; | |
236 | struct acpi_driver *driver; | |
1da177e4 | 237 | |
78f81cc4 BD |
238 | int (*init) (void); |
239 | int (*read) (char *); | |
240 | int (*write) (char *); | |
241 | void (*exit) (void); | |
242 | ||
243 | void (*notify) (struct ibm_struct *, u32); | |
1da177e4 LT |
244 | acpi_handle *handle; |
245 | int type; | |
246 | struct acpi_device *device; | |
247 | ||
248 | int driver_registered; | |
249 | int proc_created; | |
250 | int init_called; | |
251 | int notify_installed; | |
252 | ||
1da177e4 LT |
253 | int experimental; |
254 | }; | |
255 | ||
256 | static struct proc_dir_entry *proc_dir = NULL; | |
257 | ||
8acb0250 HM |
258 | static struct backlight_device *ibm_backlight_device; |
259 | ||
1da177e4 LT |
260 | #define onoff(status,bit) ((status) & (1 << (bit)) ? "on" : "off") |
261 | #define enabled(status,bit) ((status) & (1 << (bit)) ? "enabled" : "disabled") | |
262 | #define strlencmp(a,b) (strncmp((a), (b), strlen(b))) | |
263 | ||
264 | static int acpi_evalf(acpi_handle handle, | |
265 | void *res, char *method, char *fmt, ...) | |
266 | { | |
267 | char *fmt0 = fmt; | |
78f81cc4 BD |
268 | struct acpi_object_list params; |
269 | union acpi_object in_objs[IBM_MAX_ACPI_ARGS]; | |
270 | struct acpi_buffer result, *resultp; | |
271 | union acpi_object out_obj; | |
272 | acpi_status status; | |
273 | va_list ap; | |
274 | char res_type; | |
275 | int success; | |
276 | int quiet; | |
1da177e4 LT |
277 | |
278 | if (!*fmt) { | |
279 | printk(IBM_ERR "acpi_evalf() called with empty format\n"); | |
280 | return 0; | |
281 | } | |
282 | ||
283 | if (*fmt == 'q') { | |
284 | quiet = 1; | |
285 | fmt++; | |
286 | } else | |
287 | quiet = 0; | |
288 | ||
289 | res_type = *(fmt++); | |
290 | ||
291 | params.count = 0; | |
292 | params.pointer = &in_objs[0]; | |
293 | ||
294 | va_start(ap, fmt); | |
295 | while (*fmt) { | |
296 | char c = *(fmt++); | |
297 | switch (c) { | |
298 | case 'd': /* int */ | |
299 | in_objs[params.count].integer.value = va_arg(ap, int); | |
300 | in_objs[params.count++].type = ACPI_TYPE_INTEGER; | |
301 | break; | |
78f81cc4 | 302 | /* add more types as needed */ |
1da177e4 LT |
303 | default: |
304 | printk(IBM_ERR "acpi_evalf() called " | |
305 | "with invalid format character '%c'\n", c); | |
306 | return 0; | |
307 | } | |
308 | } | |
309 | va_end(ap); | |
310 | ||
78f81cc4 BD |
311 | if (res_type != 'v') { |
312 | result.length = sizeof(out_obj); | |
313 | result.pointer = &out_obj; | |
314 | resultp = &result; | |
315 | } else | |
316 | resultp = NULL; | |
1da177e4 | 317 | |
78f81cc4 | 318 | status = acpi_evaluate_object(handle, method, ¶ms, resultp); |
1da177e4 LT |
319 | |
320 | switch (res_type) { | |
78f81cc4 | 321 | case 'd': /* int */ |
1da177e4 LT |
322 | if (res) |
323 | *(int *)res = out_obj.integer.value; | |
324 | success = status == AE_OK && out_obj.type == ACPI_TYPE_INTEGER; | |
325 | break; | |
78f81cc4 | 326 | case 'v': /* void */ |
1da177e4 LT |
327 | success = status == AE_OK; |
328 | break; | |
78f81cc4 | 329 | /* add more types as needed */ |
1da177e4 LT |
330 | default: |
331 | printk(IBM_ERR "acpi_evalf() called " | |
332 | "with invalid format character '%c'\n", res_type); | |
333 | return 0; | |
334 | } | |
335 | ||
336 | if (!success && !quiet) | |
337 | printk(IBM_ERR "acpi_evalf(%s, %s, ...) failed: %d\n", | |
338 | method, fmt0, status); | |
339 | ||
340 | return success; | |
341 | } | |
342 | ||
343 | static void __unused acpi_print_int(acpi_handle handle, char *method) | |
344 | { | |
345 | int i; | |
346 | ||
347 | if (acpi_evalf(handle, &i, method, "d")) | |
348 | printk(IBM_INFO "%s = 0x%x\n", method, i); | |
349 | else | |
350 | printk(IBM_ERR "error calling %s\n", method); | |
351 | } | |
352 | ||
353 | static char *next_cmd(char **cmds) | |
354 | { | |
355 | char *start = *cmds; | |
356 | char *end; | |
357 | ||
358 | while ((end = strchr(start, ',')) && end == start) | |
359 | start = end + 1; | |
360 | ||
361 | if (!end) | |
362 | return NULL; | |
363 | ||
364 | *end = 0; | |
365 | *cmds = end + 1; | |
366 | return start; | |
367 | } | |
368 | ||
78f81cc4 | 369 | static int driver_init(void) |
1da177e4 LT |
370 | { |
371 | printk(IBM_INFO "%s v%s\n", IBM_DESC, IBM_VERSION); | |
372 | printk(IBM_INFO "%s\n", IBM_URL); | |
373 | ||
374 | return 0; | |
375 | } | |
376 | ||
78f81cc4 | 377 | static int driver_read(char *p) |
1da177e4 LT |
378 | { |
379 | int len = 0; | |
380 | ||
381 | len += sprintf(p + len, "driver:\t\t%s\n", IBM_DESC); | |
382 | len += sprintf(p + len, "version:\t%s\n", IBM_VERSION); | |
383 | ||
384 | return len; | |
385 | } | |
386 | ||
78f81cc4 BD |
387 | static int hotkey_supported; |
388 | static int hotkey_mask_supported; | |
389 | static int hotkey_orig_status; | |
390 | static int hotkey_orig_mask; | |
391 | ||
392 | static int hotkey_get(int *status, int *mask) | |
1da177e4 LT |
393 | { |
394 | if (!acpi_evalf(hkey_handle, status, "DHKC", "d")) | |
78f81cc4 BD |
395 | return 0; |
396 | ||
397 | if (hotkey_mask_supported) | |
398 | if (!acpi_evalf(hkey_handle, mask, "DHKN", "d")) | |
399 | return 0; | |
400 | ||
401 | return 1; | |
1da177e4 LT |
402 | } |
403 | ||
78f81cc4 | 404 | static int hotkey_set(int status, int mask) |
1da177e4 LT |
405 | { |
406 | int i; | |
407 | ||
408 | if (!acpi_evalf(hkey_handle, NULL, "MHKC", "vd", status)) | |
1da177e4 LT |
409 | return 0; |
410 | ||
78f81cc4 BD |
411 | if (hotkey_mask_supported) |
412 | for (i = 0; i < 32; i++) { | |
413 | int bit = ((1 << i) & mask) != 0; | |
414 | if (!acpi_evalf(hkey_handle, | |
415 | NULL, "MHKM", "vdd", i + 1, bit)) | |
416 | return 0; | |
417 | } | |
1da177e4 | 418 | |
78f81cc4 | 419 | return 1; |
1da177e4 LT |
420 | } |
421 | ||
78f81cc4 | 422 | static int hotkey_init(void) |
1da177e4 | 423 | { |
78f81cc4 BD |
424 | /* hotkey not supported on 570 */ |
425 | hotkey_supported = hkey_handle != NULL; | |
1da177e4 | 426 | |
78f81cc4 BD |
427 | if (hotkey_supported) { |
428 | /* mask not supported on 570, 600e/x, 770e, 770x, A21e, A2xm/p, | |
429 | A30, R30, R31, T20-22, X20-21, X22-24 */ | |
430 | hotkey_mask_supported = | |
431 | acpi_evalf(hkey_handle, NULL, "DHKN", "qv"); | |
432 | ||
433 | if (!hotkey_get(&hotkey_orig_status, &hotkey_orig_mask)) | |
434 | return -ENODEV; | |
1da177e4 LT |
435 | } |
436 | ||
78f81cc4 BD |
437 | return 0; |
438 | } | |
1da177e4 | 439 | |
78f81cc4 | 440 | static int hotkey_read(char *p) |
1da177e4 LT |
441 | { |
442 | int status, mask; | |
443 | int len = 0; | |
444 | ||
78f81cc4 BD |
445 | if (!hotkey_supported) { |
446 | len += sprintf(p + len, "status:\t\tnot supported\n"); | |
447 | return len; | |
448 | } | |
449 | ||
450 | if (!hotkey_get(&status, &mask)) | |
1da177e4 LT |
451 | return -EIO; |
452 | ||
453 | len += sprintf(p + len, "status:\t\t%s\n", enabled(status, 0)); | |
78f81cc4 | 454 | if (hotkey_mask_supported) { |
1da177e4 LT |
455 | len += sprintf(p + len, "mask:\t\t0x%04x\n", mask); |
456 | len += sprintf(p + len, | |
457 | "commands:\tenable, disable, reset, <mask>\n"); | |
458 | } else { | |
459 | len += sprintf(p + len, "mask:\t\tnot supported\n"); | |
460 | len += sprintf(p + len, "commands:\tenable, disable, reset\n"); | |
461 | } | |
462 | ||
463 | return len; | |
464 | } | |
465 | ||
78f81cc4 | 466 | static int hotkey_write(char *buf) |
1da177e4 LT |
467 | { |
468 | int status, mask; | |
469 | char *cmd; | |
470 | int do_cmd = 0; | |
471 | ||
78f81cc4 | 472 | if (!hotkey_supported) |
1da177e4 LT |
473 | return -ENODEV; |
474 | ||
78f81cc4 BD |
475 | if (!hotkey_get(&status, &mask)) |
476 | return -EIO; | |
477 | ||
1da177e4 LT |
478 | while ((cmd = next_cmd(&buf))) { |
479 | if (strlencmp(cmd, "enable") == 0) { | |
480 | status = 1; | |
481 | } else if (strlencmp(cmd, "disable") == 0) { | |
482 | status = 0; | |
483 | } else if (strlencmp(cmd, "reset") == 0) { | |
78f81cc4 BD |
484 | status = hotkey_orig_status; |
485 | mask = hotkey_orig_mask; | |
1da177e4 LT |
486 | } else if (sscanf(cmd, "0x%x", &mask) == 1) { |
487 | /* mask set */ | |
488 | } else if (sscanf(cmd, "%x", &mask) == 1) { | |
489 | /* mask set */ | |
490 | } else | |
491 | return -EINVAL; | |
492 | do_cmd = 1; | |
493 | } | |
494 | ||
78f81cc4 | 495 | if (do_cmd && !hotkey_set(status, mask)) |
1da177e4 LT |
496 | return -EIO; |
497 | ||
498 | return 0; | |
78f81cc4 | 499 | } |
1da177e4 | 500 | |
78f81cc4 | 501 | static void hotkey_exit(void) |
1da177e4 | 502 | { |
78f81cc4 BD |
503 | if (hotkey_supported) |
504 | hotkey_set(hotkey_orig_status, hotkey_orig_mask); | |
1da177e4 LT |
505 | } |
506 | ||
507 | static void hotkey_notify(struct ibm_struct *ibm, u32 event) | |
508 | { | |
509 | int hkey; | |
510 | ||
511 | if (acpi_evalf(hkey_handle, &hkey, "MHKP", "d")) | |
512 | acpi_bus_generate_event(ibm->device, event, hkey); | |
513 | else { | |
514 | printk(IBM_ERR "unknown hotkey event %d\n", event); | |
515 | acpi_bus_generate_event(ibm->device, event, 0); | |
78f81cc4 | 516 | } |
1da177e4 LT |
517 | } |
518 | ||
78f81cc4 BD |
519 | static int bluetooth_supported; |
520 | ||
521 | static int bluetooth_init(void) | |
1da177e4 | 522 | { |
78f81cc4 BD |
523 | /* bluetooth not supported on 570, 600e/x, 770e, 770x, A21e, A2xm/p, |
524 | G4x, R30, R31, R40e, R50e, T20-22, X20-21 */ | |
525 | bluetooth_supported = hkey_handle && | |
526 | acpi_evalf(hkey_handle, NULL, "GBDC", "qv"); | |
1da177e4 LT |
527 | |
528 | return 0; | |
529 | } | |
530 | ||
78f81cc4 | 531 | static int bluetooth_status(void) |
1da177e4 LT |
532 | { |
533 | int status; | |
534 | ||
78f81cc4 BD |
535 | if (!bluetooth_supported || |
536 | !acpi_evalf(hkey_handle, &status, "GBDC", "d")) | |
1da177e4 LT |
537 | status = 0; |
538 | ||
539 | return status; | |
540 | } | |
541 | ||
78f81cc4 | 542 | static int bluetooth_read(char *p) |
1da177e4 LT |
543 | { |
544 | int len = 0; | |
78f81cc4 | 545 | int status = bluetooth_status(); |
1da177e4 | 546 | |
78f81cc4 | 547 | if (!bluetooth_supported) |
1da177e4 LT |
548 | len += sprintf(p + len, "status:\t\tnot supported\n"); |
549 | else if (!(status & 1)) | |
550 | len += sprintf(p + len, "status:\t\tnot installed\n"); | |
551 | else { | |
552 | len += sprintf(p + len, "status:\t\t%s\n", enabled(status, 1)); | |
553 | len += sprintf(p + len, "commands:\tenable, disable\n"); | |
554 | } | |
555 | ||
556 | return len; | |
557 | } | |
558 | ||
78f81cc4 | 559 | static int bluetooth_write(char *buf) |
1da177e4 | 560 | { |
78f81cc4 | 561 | int status = bluetooth_status(); |
1da177e4 LT |
562 | char *cmd; |
563 | int do_cmd = 0; | |
564 | ||
78f81cc4 BD |
565 | if (!bluetooth_supported) |
566 | return -ENODEV; | |
1da177e4 LT |
567 | |
568 | while ((cmd = next_cmd(&buf))) { | |
569 | if (strlencmp(cmd, "enable") == 0) { | |
570 | status |= 2; | |
571 | } else if (strlencmp(cmd, "disable") == 0) { | |
572 | status &= ~2; | |
573 | } else | |
574 | return -EINVAL; | |
575 | do_cmd = 1; | |
576 | } | |
577 | ||
578 | if (do_cmd && !acpi_evalf(hkey_handle, NULL, "SBDC", "vd", status)) | |
78f81cc4 | 579 | return -EIO; |
1da177e4 LT |
580 | |
581 | return 0; | |
582 | } | |
583 | ||
42adb53c JF |
584 | static int wan_supported; |
585 | ||
586 | static int wan_init(void) | |
587 | { | |
588 | wan_supported = hkey_handle && | |
589 | acpi_evalf(hkey_handle, NULL, "GWAN", "qv"); | |
590 | ||
591 | return 0; | |
592 | } | |
593 | ||
594 | static int wan_status(void) | |
595 | { | |
596 | int status; | |
597 | ||
8d297264 | 598 | if (!wan_supported || !acpi_evalf(hkey_handle, &status, "GWAN", "d")) |
42adb53c JF |
599 | status = 0; |
600 | ||
601 | return status; | |
602 | } | |
603 | ||
604 | static int wan_read(char *p) | |
605 | { | |
606 | int len = 0; | |
607 | int status = wan_status(); | |
608 | ||
609 | if (!wan_supported) | |
610 | len += sprintf(p + len, "status:\t\tnot supported\n"); | |
611 | else if (!(status & 1)) | |
612 | len += sprintf(p + len, "status:\t\tnot installed\n"); | |
613 | else { | |
614 | len += sprintf(p + len, "status:\t\t%s\n", enabled(status, 1)); | |
615 | len += sprintf(p + len, "commands:\tenable, disable\n"); | |
616 | } | |
617 | ||
618 | return len; | |
619 | } | |
620 | ||
621 | static int wan_write(char *buf) | |
622 | { | |
623 | int status = wan_status(); | |
624 | char *cmd; | |
625 | int do_cmd = 0; | |
626 | ||
627 | if (!wan_supported) | |
628 | return -ENODEV; | |
629 | ||
630 | while ((cmd = next_cmd(&buf))) { | |
631 | if (strlencmp(cmd, "enable") == 0) { | |
632 | status |= 2; | |
633 | } else if (strlencmp(cmd, "disable") == 0) { | |
634 | status &= ~2; | |
635 | } else | |
636 | return -EINVAL; | |
637 | do_cmd = 1; | |
638 | } | |
639 | ||
640 | if (do_cmd && !acpi_evalf(hkey_handle, NULL, "SWAN", "vd", status)) | |
641 | return -EIO; | |
642 | ||
643 | return 0; | |
644 | } | |
645 | ||
78f81cc4 BD |
646 | static int video_supported; |
647 | static int video_orig_autosw; | |
648 | ||
649 | #define VIDEO_570 1 | |
650 | #define VIDEO_770 2 | |
651 | #define VIDEO_NEW 3 | |
652 | ||
653 | static int video_init(void) | |
1da177e4 | 654 | { |
78f81cc4 BD |
655 | int ivga; |
656 | ||
657 | if (vid2_handle && acpi_evalf(NULL, &ivga, "\\IVGA", "d") && ivga) | |
658 | /* G41, assume IVGA doesn't change */ | |
659 | vid_handle = vid2_handle; | |
660 | ||
661 | if (!vid_handle) | |
662 | /* video switching not supported on R30, R31 */ | |
663 | video_supported = 0; | |
664 | else if (acpi_evalf(vid_handle, &video_orig_autosw, "SWIT", "qd")) | |
665 | /* 570 */ | |
666 | video_supported = VIDEO_570; | |
667 | else if (acpi_evalf(vid_handle, &video_orig_autosw, "^VADL", "qd")) | |
668 | /* 600e/x, 770e, 770x */ | |
669 | video_supported = VIDEO_770; | |
670 | else | |
671 | /* all others */ | |
672 | video_supported = VIDEO_NEW; | |
1da177e4 LT |
673 | |
674 | return 0; | |
675 | } | |
676 | ||
78f81cc4 | 677 | static int video_status(void) |
1da177e4 LT |
678 | { |
679 | int status = 0; | |
680 | int i; | |
681 | ||
78f81cc4 BD |
682 | if (video_supported == VIDEO_570) { |
683 | if (acpi_evalf(NULL, &i, "\\_SB.PHS", "dd", 0x87)) | |
684 | status = i & 3; | |
685 | } else if (video_supported == VIDEO_770) { | |
686 | if (acpi_evalf(NULL, &i, "\\VCDL", "d")) | |
687 | status |= 0x01 * i; | |
688 | if (acpi_evalf(NULL, &i, "\\VCDC", "d")) | |
689 | status |= 0x02 * i; | |
690 | } else if (video_supported == VIDEO_NEW) { | |
691 | acpi_evalf(NULL, NULL, "\\VUPS", "vd", 1); | |
692 | if (acpi_evalf(NULL, &i, "\\VCDC", "d")) | |
693 | status |= 0x02 * i; | |
694 | ||
695 | acpi_evalf(NULL, NULL, "\\VUPS", "vd", 0); | |
696 | if (acpi_evalf(NULL, &i, "\\VCDL", "d")) | |
697 | status |= 0x01 * i; | |
698 | if (acpi_evalf(NULL, &i, "\\VCDD", "d")) | |
699 | status |= 0x08 * i; | |
700 | } | |
701 | ||
702 | return status; | |
703 | } | |
1da177e4 | 704 | |
78f81cc4 BD |
705 | static int video_autosw(void) |
706 | { | |
707 | int autosw = 0; | |
1da177e4 | 708 | |
78f81cc4 BD |
709 | if (video_supported == VIDEO_570) |
710 | acpi_evalf(vid_handle, &autosw, "SWIT", "d"); | |
711 | else if (video_supported == VIDEO_770 || video_supported == VIDEO_NEW) | |
712 | acpi_evalf(vid_handle, &autosw, "^VDEE", "d"); | |
1da177e4 | 713 | |
78f81cc4 | 714 | return autosw & 1; |
1da177e4 LT |
715 | } |
716 | ||
78f81cc4 | 717 | static int video_read(char *p) |
1da177e4 | 718 | { |
78f81cc4 BD |
719 | int status = video_status(); |
720 | int autosw = video_autosw(); | |
1da177e4 LT |
721 | int len = 0; |
722 | ||
78f81cc4 BD |
723 | if (!video_supported) { |
724 | len += sprintf(p + len, "status:\t\tnot supported\n"); | |
725 | return len; | |
726 | } | |
727 | ||
728 | len += sprintf(p + len, "status:\t\tsupported\n"); | |
1da177e4 LT |
729 | len += sprintf(p + len, "lcd:\t\t%s\n", enabled(status, 0)); |
730 | len += sprintf(p + len, "crt:\t\t%s\n", enabled(status, 1)); | |
78f81cc4 BD |
731 | if (video_supported == VIDEO_NEW) |
732 | len += sprintf(p + len, "dvi:\t\t%s\n", enabled(status, 3)); | |
733 | len += sprintf(p + len, "auto:\t\t%s\n", enabled(autosw, 0)); | |
734 | len += sprintf(p + len, "commands:\tlcd_enable, lcd_disable\n"); | |
735 | len += sprintf(p + len, "commands:\tcrt_enable, crt_disable\n"); | |
736 | if (video_supported == VIDEO_NEW) | |
737 | len += sprintf(p + len, "commands:\tdvi_enable, dvi_disable\n"); | |
738 | len += sprintf(p + len, "commands:\tauto_enable, auto_disable\n"); | |
1da177e4 LT |
739 | len += sprintf(p + len, "commands:\tvideo_switch, expand_toggle\n"); |
740 | ||
741 | return len; | |
742 | } | |
743 | ||
78f81cc4 BD |
744 | static int video_switch(void) |
745 | { | |
746 | int autosw = video_autosw(); | |
747 | int ret; | |
748 | ||
749 | if (!acpi_evalf(vid_handle, NULL, "_DOS", "vd", 1)) | |
750 | return -EIO; | |
751 | ret = video_supported == VIDEO_570 ? | |
752 | acpi_evalf(ec_handle, NULL, "_Q16", "v") : | |
753 | acpi_evalf(vid_handle, NULL, "VSWT", "v"); | |
754 | acpi_evalf(vid_handle, NULL, "_DOS", "vd", autosw); | |
755 | ||
756 | return ret; | |
757 | } | |
758 | ||
759 | static int video_expand(void) | |
760 | { | |
761 | if (video_supported == VIDEO_570) | |
762 | return acpi_evalf(ec_handle, NULL, "_Q17", "v"); | |
763 | else if (video_supported == VIDEO_770) | |
764 | return acpi_evalf(vid_handle, NULL, "VEXP", "v"); | |
765 | else | |
766 | return acpi_evalf(NULL, NULL, "\\VEXP", "v"); | |
767 | } | |
768 | ||
769 | static int video_switch2(int status) | |
770 | { | |
771 | int ret; | |
772 | ||
773 | if (video_supported == VIDEO_570) { | |
774 | ret = acpi_evalf(NULL, NULL, | |
775 | "\\_SB.PHS2", "vdd", 0x8b, status | 0x80); | |
776 | } else if (video_supported == VIDEO_770) { | |
777 | int autosw = video_autosw(); | |
778 | if (!acpi_evalf(vid_handle, NULL, "_DOS", "vd", 1)) | |
779 | return -EIO; | |
780 | ||
781 | ret = acpi_evalf(vid_handle, NULL, | |
782 | "ASWT", "vdd", status * 0x100, 0); | |
783 | ||
784 | acpi_evalf(vid_handle, NULL, "_DOS", "vd", autosw); | |
785 | } else { | |
786 | ret = acpi_evalf(NULL, NULL, "\\VUPS", "vd", 0x80) && | |
787 | acpi_evalf(NULL, NULL, "\\VSDS", "vdd", status, 1); | |
788 | } | |
789 | ||
790 | return ret; | |
791 | } | |
792 | ||
793 | static int video_write(char *buf) | |
1da177e4 LT |
794 | { |
795 | char *cmd; | |
796 | int enable, disable, status; | |
797 | ||
78f81cc4 BD |
798 | if (!video_supported) |
799 | return -ENODEV; | |
800 | ||
1da177e4 LT |
801 | enable = disable = 0; |
802 | ||
803 | while ((cmd = next_cmd(&buf))) { | |
804 | if (strlencmp(cmd, "lcd_enable") == 0) { | |
805 | enable |= 0x01; | |
806 | } else if (strlencmp(cmd, "lcd_disable") == 0) { | |
807 | disable |= 0x01; | |
808 | } else if (strlencmp(cmd, "crt_enable") == 0) { | |
809 | enable |= 0x02; | |
810 | } else if (strlencmp(cmd, "crt_disable") == 0) { | |
811 | disable |= 0x02; | |
78f81cc4 BD |
812 | } else if (video_supported == VIDEO_NEW && |
813 | strlencmp(cmd, "dvi_enable") == 0) { | |
1da177e4 | 814 | enable |= 0x08; |
78f81cc4 BD |
815 | } else if (video_supported == VIDEO_NEW && |
816 | strlencmp(cmd, "dvi_disable") == 0) { | |
1da177e4 LT |
817 | disable |= 0x08; |
818 | } else if (strlencmp(cmd, "auto_enable") == 0) { | |
819 | if (!acpi_evalf(vid_handle, NULL, "_DOS", "vd", 1)) | |
820 | return -EIO; | |
821 | } else if (strlencmp(cmd, "auto_disable") == 0) { | |
822 | if (!acpi_evalf(vid_handle, NULL, "_DOS", "vd", 0)) | |
823 | return -EIO; | |
824 | } else if (strlencmp(cmd, "video_switch") == 0) { | |
78f81cc4 | 825 | if (!video_switch()) |
1da177e4 LT |
826 | return -EIO; |
827 | } else if (strlencmp(cmd, "expand_toggle") == 0) { | |
78f81cc4 | 828 | if (!video_expand()) |
1da177e4 LT |
829 | return -EIO; |
830 | } else | |
831 | return -EINVAL; | |
832 | } | |
833 | ||
834 | if (enable || disable) { | |
78f81cc4 BD |
835 | status = (video_status() & 0x0f & ~disable) | enable; |
836 | if (!video_switch2(status)) | |
1da177e4 LT |
837 | return -EIO; |
838 | } | |
839 | ||
840 | return 0; | |
841 | } | |
842 | ||
78f81cc4 | 843 | static void video_exit(void) |
1da177e4 | 844 | { |
78f81cc4 | 845 | acpi_evalf(vid_handle, NULL, "_DOS", "vd", video_orig_autosw); |
1da177e4 LT |
846 | } |
847 | ||
78f81cc4 BD |
848 | static int light_supported; |
849 | static int light_status_supported; | |
850 | ||
851 | static int light_init(void) | |
1da177e4 | 852 | { |
78f81cc4 BD |
853 | /* light not supported on 570, 600e/x, 770e, 770x, G4x, R30, R31 */ |
854 | light_supported = (cmos_handle || lght_handle) && !ledb_handle; | |
855 | ||
856 | if (light_supported) | |
857 | /* light status not supported on | |
858 | 570, 600e/x, 770e, 770x, G4x, R30, R31, R32, X20 */ | |
859 | light_status_supported = acpi_evalf(ec_handle, NULL, | |
860 | "KBLT", "qv"); | |
1da177e4 LT |
861 | |
862 | return 0; | |
863 | } | |
864 | ||
78f81cc4 | 865 | static int light_read(char *p) |
1da177e4 LT |
866 | { |
867 | int len = 0; | |
868 | int status = 0; | |
869 | ||
78f81cc4 BD |
870 | if (!light_supported) { |
871 | len += sprintf(p + len, "status:\t\tnot supported\n"); | |
872 | } else if (!light_status_supported) { | |
873 | len += sprintf(p + len, "status:\t\tunknown\n"); | |
874 | len += sprintf(p + len, "commands:\ton, off\n"); | |
875 | } else { | |
1da177e4 LT |
876 | if (!acpi_evalf(ec_handle, &status, "KBLT", "d")) |
877 | return -EIO; | |
878 | len += sprintf(p + len, "status:\t\t%s\n", onoff(status, 0)); | |
78f81cc4 BD |
879 | len += sprintf(p + len, "commands:\ton, off\n"); |
880 | } | |
1da177e4 LT |
881 | |
882 | return len; | |
883 | } | |
884 | ||
78f81cc4 | 885 | static int light_write(char *buf) |
1da177e4 LT |
886 | { |
887 | int cmos_cmd, lght_cmd; | |
888 | char *cmd; | |
889 | int success; | |
78f81cc4 BD |
890 | |
891 | if (!light_supported) | |
892 | return -ENODEV; | |
893 | ||
1da177e4 LT |
894 | while ((cmd = next_cmd(&buf))) { |
895 | if (strlencmp(cmd, "on") == 0) { | |
896 | cmos_cmd = 0x0c; | |
897 | lght_cmd = 1; | |
898 | } else if (strlencmp(cmd, "off") == 0) { | |
899 | cmos_cmd = 0x0d; | |
900 | lght_cmd = 0; | |
901 | } else | |
902 | return -EINVAL; | |
78f81cc4 | 903 | |
1da177e4 | 904 | success = cmos_handle ? |
78f81cc4 BD |
905 | acpi_evalf(cmos_handle, NULL, NULL, "vd", cmos_cmd) : |
906 | acpi_evalf(lght_handle, NULL, NULL, "vd", lght_cmd); | |
1da177e4 LT |
907 | if (!success) |
908 | return -EIO; | |
909 | } | |
910 | ||
911 | return 0; | |
912 | } | |
913 | ||
914 | static int _sta(acpi_handle handle) | |
915 | { | |
916 | int status; | |
917 | ||
918 | if (!handle || !acpi_evalf(handle, &status, "_STA", "d")) | |
919 | status = 0; | |
920 | ||
921 | return status; | |
922 | } | |
8d297264 | 923 | |
63e5f248 | 924 | #ifdef CONFIG_ACPI_IBM_DOCK |
1da177e4 LT |
925 | #define dock_docked() (_sta(dock_handle) & 1) |
926 | ||
78f81cc4 | 927 | static int dock_read(char *p) |
1da177e4 LT |
928 | { |
929 | int len = 0; | |
930 | int docked = dock_docked(); | |
931 | ||
932 | if (!dock_handle) | |
933 | len += sprintf(p + len, "status:\t\tnot supported\n"); | |
934 | else if (!docked) | |
935 | len += sprintf(p + len, "status:\t\tundocked\n"); | |
936 | else { | |
937 | len += sprintf(p + len, "status:\t\tdocked\n"); | |
938 | len += sprintf(p + len, "commands:\tdock, undock\n"); | |
939 | } | |
940 | ||
941 | return len; | |
942 | } | |
943 | ||
78f81cc4 | 944 | static int dock_write(char *buf) |
1da177e4 LT |
945 | { |
946 | char *cmd; | |
947 | ||
948 | if (!dock_docked()) | |
78f81cc4 | 949 | return -ENODEV; |
1da177e4 LT |
950 | |
951 | while ((cmd = next_cmd(&buf))) { | |
952 | if (strlencmp(cmd, "undock") == 0) { | |
78f81cc4 BD |
953 | if (!acpi_evalf(dock_handle, NULL, "_DCK", "vd", 0) || |
954 | !acpi_evalf(dock_handle, NULL, "_EJ0", "vd", 1)) | |
1da177e4 LT |
955 | return -EIO; |
956 | } else if (strlencmp(cmd, "dock") == 0) { | |
957 | if (!acpi_evalf(dock_handle, NULL, "_DCK", "vd", 1)) | |
958 | return -EIO; | |
959 | } else | |
960 | return -EINVAL; | |
961 | } | |
962 | ||
963 | return 0; | |
78f81cc4 | 964 | } |
1da177e4 LT |
965 | |
966 | static void dock_notify(struct ibm_struct *ibm, u32 event) | |
967 | { | |
968 | int docked = dock_docked(); | |
78f81cc4 BD |
969 | int pci = ibm->hid && strstr(ibm->hid, IBM_PCI_HID); |
970 | ||
971 | if (event == 1 && !pci) /* 570 */ | |
972 | acpi_bus_generate_event(ibm->device, event, 1); /* button */ | |
973 | else if (event == 1 && pci) /* 570 */ | |
974 | acpi_bus_generate_event(ibm->device, event, 3); /* dock */ | |
975 | else if (event == 3 && docked) | |
976 | acpi_bus_generate_event(ibm->device, event, 1); /* button */ | |
1da177e4 | 977 | else if (event == 3 && !docked) |
78f81cc4 | 978 | acpi_bus_generate_event(ibm->device, event, 2); /* undock */ |
1da177e4 | 979 | else if (event == 0 && docked) |
78f81cc4 | 980 | acpi_bus_generate_event(ibm->device, event, 3); /* dock */ |
1da177e4 LT |
981 | else { |
982 | printk(IBM_ERR "unknown dock event %d, status %d\n", | |
983 | event, _sta(dock_handle)); | |
78f81cc4 | 984 | acpi_bus_generate_event(ibm->device, event, 0); /* unknown */ |
1da177e4 LT |
985 | } |
986 | } | |
63e5f248 | 987 | #endif |
1da177e4 | 988 | |
78f81cc4 BD |
989 | static int bay_status_supported; |
990 | static int bay_status2_supported; | |
991 | static int bay_eject_supported; | |
992 | static int bay_eject2_supported; | |
1da177e4 | 993 | |
78f81cc4 | 994 | static int bay_init(void) |
1da177e4 | 995 | { |
78f81cc4 BD |
996 | bay_status_supported = bay_handle && |
997 | acpi_evalf(bay_handle, NULL, "_STA", "qv"); | |
998 | bay_status2_supported = bay2_handle && | |
999 | acpi_evalf(bay2_handle, NULL, "_STA", "qv"); | |
1000 | ||
1001 | bay_eject_supported = bay_handle && bay_ej_handle && | |
1002 | (strlencmp(bay_ej_path, "_EJ0") == 0 || experimental); | |
1003 | bay_eject2_supported = bay2_handle && bay2_ej_handle && | |
1004 | (strlencmp(bay2_ej_path, "_EJ0") == 0 || experimental); | |
1da177e4 LT |
1005 | |
1006 | return 0; | |
1007 | } | |
1008 | ||
78f81cc4 BD |
1009 | #define bay_occupied(b) (_sta(b##_handle) & 1) |
1010 | ||
1011 | static int bay_read(char *p) | |
1da177e4 LT |
1012 | { |
1013 | int len = 0; | |
78f81cc4 BD |
1014 | int occupied = bay_occupied(bay); |
1015 | int occupied2 = bay_occupied(bay2); | |
1016 | int eject, eject2; | |
1017 | ||
1018 | len += sprintf(p + len, "status:\t\t%s\n", bay_status_supported ? | |
1019 | (occupied ? "occupied" : "unoccupied") : | |
1020 | "not supported"); | |
1021 | if (bay_status2_supported) | |
1022 | len += sprintf(p + len, "status2:\t%s\n", occupied2 ? | |
1023 | "occupied" : "unoccupied"); | |
1024 | ||
1025 | eject = bay_eject_supported && occupied; | |
1026 | eject2 = bay_eject2_supported && occupied2; | |
1027 | ||
1028 | if (eject && eject2) | |
1029 | len += sprintf(p + len, "commands:\teject, eject2\n"); | |
1030 | else if (eject) | |
1da177e4 | 1031 | len += sprintf(p + len, "commands:\teject\n"); |
78f81cc4 BD |
1032 | else if (eject2) |
1033 | len += sprintf(p + len, "commands:\teject2\n"); | |
1da177e4 LT |
1034 | |
1035 | return len; | |
1036 | } | |
1037 | ||
78f81cc4 | 1038 | static int bay_write(char *buf) |
1da177e4 LT |
1039 | { |
1040 | char *cmd; | |
1041 | ||
78f81cc4 BD |
1042 | if (!bay_eject_supported && !bay_eject2_supported) |
1043 | return -ENODEV; | |
1044 | ||
1da177e4 | 1045 | while ((cmd = next_cmd(&buf))) { |
78f81cc4 BD |
1046 | if (bay_eject_supported && strlencmp(cmd, "eject") == 0) { |
1047 | if (!acpi_evalf(bay_ej_handle, NULL, NULL, "vd", 1)) | |
1048 | return -EIO; | |
1049 | } else if (bay_eject2_supported && | |
1050 | strlencmp(cmd, "eject2") == 0) { | |
1051 | if (!acpi_evalf(bay2_ej_handle, NULL, NULL, "vd", 1)) | |
1da177e4 LT |
1052 | return -EIO; |
1053 | } else | |
1054 | return -EINVAL; | |
1055 | } | |
1056 | ||
1057 | return 0; | |
78f81cc4 | 1058 | } |
1da177e4 LT |
1059 | |
1060 | static void bay_notify(struct ibm_struct *ibm, u32 event) | |
1061 | { | |
1062 | acpi_bus_generate_event(ibm->device, event, 0); | |
1063 | } | |
1064 | ||
78f81cc4 | 1065 | static int cmos_read(char *p) |
1da177e4 LT |
1066 | { |
1067 | int len = 0; | |
1068 | ||
78f81cc4 BD |
1069 | /* cmos not supported on 570, 600e/x, 770e, 770x, A21e, A2xm/p, |
1070 | R30, R31, T20-22, X20-21 */ | |
1da177e4 LT |
1071 | if (!cmos_handle) |
1072 | len += sprintf(p + len, "status:\t\tnot supported\n"); | |
1073 | else { | |
1074 | len += sprintf(p + len, "status:\t\tsupported\n"); | |
78f81cc4 | 1075 | len += sprintf(p + len, "commands:\t<cmd> (<cmd> is 0-21)\n"); |
1da177e4 LT |
1076 | } |
1077 | ||
1078 | return len; | |
1079 | } | |
1080 | ||
78f81cc4 BD |
1081 | static int cmos_eval(int cmos_cmd) |
1082 | { | |
1083 | if (cmos_handle) | |
1084 | return acpi_evalf(cmos_handle, NULL, NULL, "vd", cmos_cmd); | |
1085 | else | |
1086 | return 1; | |
1087 | } | |
1088 | ||
1089 | static int cmos_write(char *buf) | |
1da177e4 LT |
1090 | { |
1091 | char *cmd; | |
1092 | int cmos_cmd; | |
1093 | ||
1094 | if (!cmos_handle) | |
1095 | return -EINVAL; | |
1096 | ||
1097 | while ((cmd = next_cmd(&buf))) { | |
78f81cc4 BD |
1098 | if (sscanf(cmd, "%u", &cmos_cmd) == 1 && |
1099 | cmos_cmd >= 0 && cmos_cmd <= 21) { | |
1da177e4 LT |
1100 | /* cmos_cmd set */ |
1101 | } else | |
1102 | return -EINVAL; | |
1103 | ||
78f81cc4 | 1104 | if (!cmos_eval(cmos_cmd)) |
1da177e4 LT |
1105 | return -EIO; |
1106 | } | |
1107 | ||
1108 | return 0; | |
78f81cc4 BD |
1109 | } |
1110 | ||
1111 | static int led_supported; | |
1112 | ||
1113 | #define LED_570 1 | |
1114 | #define LED_OLD 2 | |
1115 | #define LED_NEW 3 | |
1116 | ||
1117 | static int led_init(void) | |
1118 | { | |
1119 | if (!led_handle) | |
1120 | /* led not supported on R30, R31 */ | |
1121 | led_supported = 0; | |
1122 | else if (strlencmp(led_path, "SLED") == 0) | |
1123 | /* 570 */ | |
1124 | led_supported = LED_570; | |
1125 | else if (strlencmp(led_path, "SYSL") == 0) | |
1126 | /* 600e/x, 770e, 770x, A21e, A2xm/p, T20-22, X20-21 */ | |
1127 | led_supported = LED_OLD; | |
1128 | else | |
1129 | /* all others */ | |
1130 | led_supported = LED_NEW; | |
1131 | ||
1132 | return 0; | |
1133 | } | |
1134 | ||
1135 | #define led_status(s) ((s) == 0 ? "off" : ((s) == 1 ? "on" : "blinking")) | |
1136 | ||
1137 | static int led_read(char *p) | |
1da177e4 LT |
1138 | { |
1139 | int len = 0; | |
1140 | ||
78f81cc4 BD |
1141 | if (!led_supported) { |
1142 | len += sprintf(p + len, "status:\t\tnot supported\n"); | |
1143 | return len; | |
1144 | } | |
1145 | len += sprintf(p + len, "status:\t\tsupported\n"); | |
1146 | ||
1147 | if (led_supported == LED_570) { | |
1148 | /* 570 */ | |
1149 | int i, status; | |
1150 | for (i = 0; i < 8; i++) { | |
1151 | if (!acpi_evalf(ec_handle, | |
1152 | &status, "GLED", "dd", 1 << i)) | |
1153 | return -EIO; | |
1154 | len += sprintf(p + len, "%d:\t\t%s\n", | |
1155 | i, led_status(status)); | |
1156 | } | |
1157 | } | |
1158 | ||
1da177e4 | 1159 | len += sprintf(p + len, "commands:\t" |
78f81cc4 | 1160 | "<led> on, <led> off, <led> blink (<led> is 0-7)\n"); |
1da177e4 LT |
1161 | |
1162 | return len; | |
1163 | } | |
1164 | ||
78f81cc4 BD |
1165 | /* off, on, blink */ |
1166 | static const int led_sled_arg1[] = { 0, 1, 3 }; | |
1167 | static const int led_exp_hlbl[] = { 0, 0, 1 }; /* led# * */ | |
1168 | static const int led_exp_hlcl[] = { 0, 1, 1 }; /* led# * */ | |
1169 | static const int led_led_arg1[] = { 0, 0x80, 0xc0 }; | |
1170 | ||
1171 | #define EC_HLCL 0x0c | |
1172 | #define EC_HLBL 0x0d | |
1173 | #define EC_HLMS 0x0e | |
1174 | ||
1175 | static int led_write(char *buf) | |
1da177e4 LT |
1176 | { |
1177 | char *cmd; | |
78f81cc4 BD |
1178 | int led, ind, ret; |
1179 | ||
1180 | if (!led_supported) | |
1181 | return -ENODEV; | |
1da177e4 LT |
1182 | |
1183 | while ((cmd = next_cmd(&buf))) { | |
78f81cc4 | 1184 | if (sscanf(cmd, "%d", &led) != 1 || led < 0 || led > 7) |
1da177e4 LT |
1185 | return -EINVAL; |
1186 | ||
78f81cc4 BD |
1187 | if (strstr(cmd, "off")) { |
1188 | ind = 0; | |
1da177e4 | 1189 | } else if (strstr(cmd, "on")) { |
78f81cc4 BD |
1190 | ind = 1; |
1191 | } else if (strstr(cmd, "blink")) { | |
1192 | ind = 2; | |
1da177e4 LT |
1193 | } else |
1194 | return -EINVAL; | |
78f81cc4 BD |
1195 | |
1196 | if (led_supported == LED_570) { | |
1197 | /* 570 */ | |
1198 | led = 1 << led; | |
1da177e4 | 1199 | if (!acpi_evalf(led_handle, NULL, NULL, "vdd", |
78f81cc4 | 1200 | led, led_sled_arg1[ind])) |
1da177e4 | 1201 | return -EIO; |
78f81cc4 BD |
1202 | } else if (led_supported == LED_OLD) { |
1203 | /* 600e/x, 770e, 770x, A21e, A2xm/p, T20-22, X20 */ | |
1204 | led = 1 << led; | |
1205 | ret = ec_write(EC_HLMS, led); | |
1206 | if (ret >= 0) | |
1207 | ret = | |
1208 | ec_write(EC_HLBL, led * led_exp_hlbl[ind]); | |
1209 | if (ret >= 0) | |
1210 | ret = | |
1211 | ec_write(EC_HLCL, led * led_exp_hlcl[ind]); | |
1212 | if (ret < 0) | |
1213 | return ret; | |
1214 | } else { | |
1215 | /* all others */ | |
1216 | if (!acpi_evalf(led_handle, NULL, NULL, "vdd", | |
1217 | led, led_led_arg1[ind])) | |
1da177e4 | 1218 | return -EIO; |
78f81cc4 BD |
1219 | } |
1220 | } | |
1221 | ||
1222 | return 0; | |
1223 | } | |
1224 | ||
1225 | static int beep_read(char *p) | |
1226 | { | |
1227 | int len = 0; | |
1228 | ||
1229 | if (!beep_handle) | |
1230 | len += sprintf(p + len, "status:\t\tnot supported\n"); | |
1231 | else { | |
1232 | len += sprintf(p + len, "status:\t\tsupported\n"); | |
1233 | len += sprintf(p + len, "commands:\t<cmd> (<cmd> is 0-17)\n"); | |
1234 | } | |
1235 | ||
1236 | return len; | |
1237 | } | |
1238 | ||
1239 | static int beep_write(char *buf) | |
1240 | { | |
1241 | char *cmd; | |
1242 | int beep_cmd; | |
1243 | ||
1244 | if (!beep_handle) | |
1245 | return -ENODEV; | |
1246 | ||
1247 | while ((cmd = next_cmd(&buf))) { | |
1248 | if (sscanf(cmd, "%u", &beep_cmd) == 1 && | |
1249 | beep_cmd >= 0 && beep_cmd <= 17) { | |
1250 | /* beep_cmd set */ | |
1251 | } else | |
1252 | return -EINVAL; | |
1253 | if (!acpi_evalf(beep_handle, NULL, NULL, "vdd", beep_cmd, 0)) | |
1254 | return -EIO; | |
1255 | } | |
1256 | ||
1257 | return 0; | |
1258 | } | |
1259 | ||
1260 | static int acpi_ec_read(int i, u8 * p) | |
1261 | { | |
1262 | int v; | |
1263 | ||
1264 | if (ecrd_handle) { | |
1265 | if (!acpi_evalf(ecrd_handle, &v, NULL, "dd", i)) | |
1266 | return 0; | |
1267 | *p = v; | |
1268 | } else { | |
1269 | if (ec_read(i, p) < 0) | |
1270 | return 0; | |
1271 | } | |
1272 | ||
1273 | return 1; | |
1274 | } | |
1275 | ||
1276 | static int acpi_ec_write(int i, u8 v) | |
1277 | { | |
1278 | if (ecwr_handle) { | |
1279 | if (!acpi_evalf(ecwr_handle, NULL, NULL, "vdd", i, v)) | |
1280 | return 0; | |
1281 | } else { | |
1282 | if (ec_write(i, v) < 0) | |
1283 | return 0; | |
1284 | } | |
1285 | ||
1286 | return 1; | |
1287 | } | |
1288 | ||
a26f878a | 1289 | static enum thermal_access_mode thermal_read_mode; |
78f81cc4 BD |
1290 | |
1291 | static int thermal_init(void) | |
1292 | { | |
a26f878a HMH |
1293 | if (acpi_evalf(ec_handle, NULL, "TMP7", "qv")) { |
1294 | if (acpi_evalf(ec_handle, NULL, "UPDT", "qv")) { | |
1295 | /* 600e/x, 770e, 770x */ | |
1296 | thermal_read_mode = IBMACPI_THERMAL_ACPI_UPDT; | |
1297 | } else { | |
1298 | /* Standard ACPI TMPx access, max 8 sensors */ | |
1299 | thermal_read_mode = IBMACPI_THERMAL_ACPI_TMP07; | |
1300 | } | |
1301 | } else { | |
1302 | /* temperatures not supported on 570, G4x, R30, R31, R32 */ | |
1303 | thermal_read_mode = IBMACPI_THERMAL_NONE; | |
1304 | } | |
78f81cc4 BD |
1305 | |
1306 | return 0; | |
1307 | } | |
1308 | ||
a26f878a | 1309 | static int thermal_get_sensors(struct ibm_thermal_sensors_struct *s) |
78f81cc4 | 1310 | { |
a26f878a HMH |
1311 | int i, t; |
1312 | char tmpi[] = "TMPi"; | |
78f81cc4 | 1313 | |
a26f878a HMH |
1314 | if (!s) |
1315 | return -EINVAL; | |
78f81cc4 | 1316 | |
a26f878a HMH |
1317 | switch (thermal_read_mode) { |
1318 | case IBMACPI_THERMAL_ACPI_UPDT: | |
1319 | if (!acpi_evalf(ec_handle, NULL, "UPDT", "v")) | |
1320 | return -EIO; | |
1321 | for (i = 0; i < 8; i++) { | |
1322 | tmpi[3] = '0' + i; | |
1323 | if (!acpi_evalf(ec_handle, &t, tmpi, "d")) | |
78f81cc4 | 1324 | return -EIO; |
a26f878a HMH |
1325 | s->temp[i] = (t - 2732) * 100; |
1326 | } | |
1327 | return 8; | |
78f81cc4 | 1328 | |
a26f878a | 1329 | case IBMACPI_THERMAL_ACPI_TMP07: |
78f81cc4 BD |
1330 | for (i = 0; i < 8; i++) { |
1331 | tmpi[3] = '0' + i; | |
1332 | if (!acpi_evalf(ec_handle, &t, tmpi, "d")) | |
1333 | return -EIO; | |
a26f878a | 1334 | s->temp[i] = t * 1000; |
78f81cc4 | 1335 | } |
a26f878a | 1336 | return 8; |
78f81cc4 | 1337 | |
a26f878a HMH |
1338 | case IBMACPI_THERMAL_NONE: |
1339 | default: | |
1340 | return 0; | |
78f81cc4 | 1341 | } |
a26f878a HMH |
1342 | } |
1343 | ||
1344 | static int thermal_read(char *p) | |
1345 | { | |
1346 | int len = 0; | |
1347 | int n, i; | |
1348 | struct ibm_thermal_sensors_struct t; | |
1349 | ||
1350 | n = thermal_get_sensors(&t); | |
1351 | if (unlikely(n < 0)) | |
1352 | return n; | |
1353 | ||
1354 | len += sprintf(p + len, "temperatures:\t"); | |
1355 | ||
1356 | if (n > 0) { | |
1357 | for (i = 0; i < (n - 1); i++) | |
1358 | len += sprintf(p + len, "%d ", t.temp[i] / 1000); | |
1359 | len += sprintf(p + len, "%d\n", t.temp[i] / 1000); | |
1360 | } else | |
1361 | len += sprintf(p + len, "not supported\n"); | |
78f81cc4 BD |
1362 | |
1363 | return len; | |
1364 | } | |
1365 | ||
1366 | static u8 ecdump_regs[256]; | |
1367 | ||
1368 | static int ecdump_read(char *p) | |
1369 | { | |
1370 | int len = 0; | |
1371 | int i, j; | |
1372 | u8 v; | |
1373 | ||
1374 | len += sprintf(p + len, "EC " | |
1375 | " +00 +01 +02 +03 +04 +05 +06 +07" | |
1376 | " +08 +09 +0a +0b +0c +0d +0e +0f\n"); | |
1377 | for (i = 0; i < 256; i += 16) { | |
1378 | len += sprintf(p + len, "EC 0x%02x:", i); | |
1379 | for (j = 0; j < 16; j++) { | |
1380 | if (!acpi_ec_read(i + j, &v)) | |
1381 | break; | |
1382 | if (v != ecdump_regs[i + j]) | |
1383 | len += sprintf(p + len, " *%02x", v); | |
1384 | else | |
1385 | len += sprintf(p + len, " %02x", v); | |
1386 | ecdump_regs[i + j] = v; | |
1387 | } | |
1388 | len += sprintf(p + len, "\n"); | |
1389 | if (j != 16) | |
1390 | break; | |
1391 | } | |
1392 | ||
1393 | /* These are way too dangerous to advertise openly... */ | |
1394 | #if 0 | |
1395 | len += sprintf(p + len, "commands:\t0x<offset> 0x<value>" | |
1396 | " (<offset> is 00-ff, <value> is 00-ff)\n"); | |
1397 | len += sprintf(p + len, "commands:\t0x<offset> <value> " | |
1398 | " (<offset> is 00-ff, <value> is 0-255)\n"); | |
1399 | #endif | |
1400 | return len; | |
1401 | } | |
1402 | ||
1403 | static int ecdump_write(char *buf) | |
1404 | { | |
1405 | char *cmd; | |
1406 | int i, v; | |
1407 | ||
1408 | while ((cmd = next_cmd(&buf))) { | |
1409 | if (sscanf(cmd, "0x%x 0x%x", &i, &v) == 2) { | |
1410 | /* i and v set */ | |
1411 | } else if (sscanf(cmd, "0x%x %u", &i, &v) == 2) { | |
1412 | /* i and v set */ | |
1413 | } else | |
1414 | return -EINVAL; | |
1415 | if (i >= 0 && i < 256 && v >= 0 && v < 256) { | |
1416 | if (!acpi_ec_write(i, v)) | |
1da177e4 LT |
1417 | return -EIO; |
1418 | } else | |
1419 | return -EINVAL; | |
1420 | } | |
1421 | ||
1422 | return 0; | |
78f81cc4 BD |
1423 | } |
1424 | ||
1425 | static int brightness_offset = 0x31; | |
1426 | ||
8acb0250 HM |
1427 | static int brightness_get(struct backlight_device *bd) |
1428 | { | |
8d297264 HMH |
1429 | u8 level; |
1430 | if (!acpi_ec_read(brightness_offset, &level)) | |
1431 | return -EIO; | |
8acb0250 | 1432 | |
8d297264 HMH |
1433 | level &= 0x7; |
1434 | return level; | |
8acb0250 HM |
1435 | } |
1436 | ||
78f81cc4 | 1437 | static int brightness_read(char *p) |
1da177e4 LT |
1438 | { |
1439 | int len = 0; | |
8acb0250 | 1440 | int level; |
1da177e4 | 1441 | |
8acb0250 | 1442 | if ((level = brightness_get(NULL)) < 0) { |
78f81cc4 BD |
1443 | len += sprintf(p + len, "level:\t\tunreadable\n"); |
1444 | } else { | |
1445 | len += sprintf(p + len, "level:\t\t%d\n", level & 0x7); | |
1446 | len += sprintf(p + len, "commands:\tup, down\n"); | |
1447 | len += sprintf(p + len, "commands:\tlevel <level>" | |
1448 | " (<level> is 0-7)\n"); | |
1449 | } | |
1da177e4 LT |
1450 | |
1451 | return len; | |
1452 | } | |
1453 | ||
78f81cc4 BD |
1454 | #define BRIGHTNESS_UP 4 |
1455 | #define BRIGHTNESS_DOWN 5 | |
1456 | ||
8acb0250 | 1457 | static int brightness_set(int value) |
1da177e4 | 1458 | { |
78f81cc4 | 1459 | int cmos_cmd, inc, i; |
8acb0250 HM |
1460 | int current_value = brightness_get(NULL); |
1461 | ||
1462 | value &= 7; | |
1463 | ||
1464 | cmos_cmd = value > current_value ? BRIGHTNESS_UP : BRIGHTNESS_DOWN; | |
1465 | inc = value > current_value ? 1 : -1; | |
1466 | for (i = current_value; i != value; i += inc) { | |
1467 | if (!cmos_eval(cmos_cmd)) | |
1468 | return -EIO; | |
1469 | if (!acpi_ec_write(brightness_offset, i + inc)) | |
1470 | return -EIO; | |
1471 | } | |
1472 | ||
1473 | return 0; | |
1474 | } | |
1475 | ||
1476 | static int brightness_write(char *buf) | |
1477 | { | |
1478 | int level; | |
78f81cc4 | 1479 | int new_level; |
1da177e4 | 1480 | char *cmd; |
1da177e4 LT |
1481 | |
1482 | while ((cmd = next_cmd(&buf))) { | |
8acb0250 HM |
1483 | if ((level = brightness_get(NULL)) < 0) |
1484 | return level; | |
78f81cc4 BD |
1485 | level &= 7; |
1486 | ||
1487 | if (strlencmp(cmd, "up") == 0) { | |
1488 | new_level = level == 7 ? 7 : level + 1; | |
1489 | } else if (strlencmp(cmd, "down") == 0) { | |
1490 | new_level = level == 0 ? 0 : level - 1; | |
1491 | } else if (sscanf(cmd, "level %d", &new_level) == 1 && | |
1492 | new_level >= 0 && new_level <= 7) { | |
1493 | /* new_level set */ | |
1494 | } else | |
1495 | return -EINVAL; | |
1496 | ||
8acb0250 | 1497 | brightness_set(new_level); |
78f81cc4 BD |
1498 | } |
1499 | ||
1500 | return 0; | |
1501 | } | |
1502 | ||
8acb0250 HM |
1503 | static int brightness_update_status(struct backlight_device *bd) |
1504 | { | |
1505 | return brightness_set(bd->props->brightness); | |
1506 | } | |
1507 | ||
78f81cc4 BD |
1508 | static int volume_offset = 0x30; |
1509 | ||
1510 | static int volume_read(char *p) | |
1511 | { | |
1512 | int len = 0; | |
1513 | u8 level; | |
1514 | ||
1515 | if (!acpi_ec_read(volume_offset, &level)) { | |
1516 | len += sprintf(p + len, "level:\t\tunreadable\n"); | |
1517 | } else { | |
1518 | len += sprintf(p + len, "level:\t\t%d\n", level & 0xf); | |
1519 | len += sprintf(p + len, "mute:\t\t%s\n", onoff(level, 6)); | |
1520 | len += sprintf(p + len, "commands:\tup, down, mute\n"); | |
1521 | len += sprintf(p + len, "commands:\tlevel <level>" | |
1522 | " (<level> is 0-15)\n"); | |
1523 | } | |
1524 | ||
1525 | return len; | |
1526 | } | |
1527 | ||
1528 | #define VOLUME_DOWN 0 | |
1529 | #define VOLUME_UP 1 | |
1530 | #define VOLUME_MUTE 2 | |
1531 | ||
1532 | static int volume_write(char *buf) | |
1533 | { | |
1534 | int cmos_cmd, inc, i; | |
1535 | u8 level, mute; | |
1536 | int new_level, new_mute; | |
1537 | char *cmd; | |
1538 | ||
1539 | while ((cmd = next_cmd(&buf))) { | |
1540 | if (!acpi_ec_read(volume_offset, &level)) | |
1541 | return -EIO; | |
1542 | new_mute = mute = level & 0x40; | |
1543 | new_level = level = level & 0xf; | |
1544 | ||
1545 | if (strlencmp(cmd, "up") == 0) { | |
1546 | if (mute) | |
1547 | new_mute = 0; | |
1548 | else | |
1549 | new_level = level == 15 ? 15 : level + 1; | |
1550 | } else if (strlencmp(cmd, "down") == 0) { | |
1551 | if (mute) | |
1552 | new_mute = 0; | |
1553 | else | |
1554 | new_level = level == 0 ? 0 : level - 1; | |
1555 | } else if (sscanf(cmd, "level %d", &new_level) == 1 && | |
1556 | new_level >= 0 && new_level <= 15) { | |
1557 | /* new_level set */ | |
1558 | } else if (strlencmp(cmd, "mute") == 0) { | |
1559 | new_mute = 0x40; | |
1da177e4 LT |
1560 | } else |
1561 | return -EINVAL; | |
1562 | ||
78f81cc4 BD |
1563 | if (new_level != level) { /* mute doesn't change */ |
1564 | cmos_cmd = new_level > level ? VOLUME_UP : VOLUME_DOWN; | |
1565 | inc = new_level > level ? 1 : -1; | |
1566 | ||
1567 | if (mute && (!cmos_eval(cmos_cmd) || | |
1568 | !acpi_ec_write(volume_offset, level))) | |
1569 | return -EIO; | |
1570 | ||
1571 | for (i = level; i != new_level; i += inc) | |
1572 | if (!cmos_eval(cmos_cmd) || | |
1573 | !acpi_ec_write(volume_offset, i + inc)) | |
1574 | return -EIO; | |
1575 | ||
1576 | if (mute && (!cmos_eval(VOLUME_MUTE) || | |
1577 | !acpi_ec_write(volume_offset, | |
1578 | new_level + mute))) | |
1579 | return -EIO; | |
1580 | } | |
1581 | ||
1582 | if (new_mute != mute) { /* level doesn't change */ | |
1583 | cmos_cmd = new_mute ? VOLUME_MUTE : VOLUME_UP; | |
1584 | ||
1585 | if (!cmos_eval(cmos_cmd) || | |
1586 | !acpi_ec_write(volume_offset, level + new_mute)) | |
1587 | return -EIO; | |
1588 | } | |
1589 | } | |
1590 | ||
1591 | return 0; | |
1592 | } | |
1593 | ||
1594 | static int fan_status_offset = 0x2f; | |
1595 | static int fan_rpm_offset = 0x84; | |
1596 | ||
1597 | static int fan_read(char *p) | |
1598 | { | |
1599 | int len = 0; | |
1600 | int s; | |
1601 | u8 lo, hi, status; | |
1602 | ||
1603 | if (gfan_handle) { | |
1604 | /* 570, 600e/x, 770e, 770x */ | |
1605 | if (!acpi_evalf(gfan_handle, &s, NULL, "d")) | |
1da177e4 | 1606 | return -EIO; |
78f81cc4 BD |
1607 | |
1608 | len += sprintf(p + len, "level:\t\t%d\n", s); | |
1609 | } else { | |
1610 | /* all except 570, 600e/x, 770e, 770x */ | |
1611 | if (!acpi_ec_read(fan_status_offset, &status)) | |
1612 | len += sprintf(p + len, "status:\t\tunreadable\n"); | |
1613 | else | |
1614 | len += sprintf(p + len, "status:\t\t%s\n", | |
1615 | enabled(status, 7)); | |
1616 | ||
1617 | if (!acpi_ec_read(fan_rpm_offset, &lo) || | |
1618 | !acpi_ec_read(fan_rpm_offset + 1, &hi)) | |
1619 | len += sprintf(p + len, "speed:\t\tunreadable\n"); | |
1620 | else | |
1621 | len += sprintf(p + len, "speed:\t\t%d\n", | |
1622 | (hi << 8) + lo); | |
1623 | } | |
1624 | ||
1625 | if (sfan_handle) | |
1626 | /* 570, 770x-JL */ | |
1627 | len += sprintf(p + len, "commands:\tlevel <level>" | |
1628 | " (<level> is 0-7)\n"); | |
1629 | if (!gfan_handle) | |
1630 | /* all except 570, 600e/x, 770e, 770x */ | |
1631 | len += sprintf(p + len, "commands:\tenable, disable\n"); | |
1632 | if (fans_handle) | |
1633 | /* X31, X40 */ | |
1634 | len += sprintf(p + len, "commands:\tspeed <speed>" | |
1635 | " (<speed> is 0-65535)\n"); | |
1636 | ||
1637 | return len; | |
1638 | } | |
1639 | ||
1640 | static int fan_write(char *buf) | |
1641 | { | |
1642 | char *cmd; | |
1643 | int level, speed; | |
1644 | ||
1645 | while ((cmd = next_cmd(&buf))) { | |
1646 | if (sfan_handle && | |
1647 | sscanf(cmd, "level %d", &level) == 1 && | |
1648 | level >= 0 && level <= 7) { | |
1649 | /* 570, 770x-JL */ | |
1650 | if (!acpi_evalf(sfan_handle, NULL, NULL, "vd", level)) | |
1651 | return -EIO; | |
1652 | } else if (!gfan_handle && strlencmp(cmd, "enable") == 0) { | |
1653 | /* all except 570, 600e/x, 770e, 770x */ | |
1654 | if (!acpi_ec_write(fan_status_offset, 0x80)) | |
1655 | return -EIO; | |
1656 | } else if (!gfan_handle && strlencmp(cmd, "disable") == 0) { | |
1657 | /* all except 570, 600e/x, 770e, 770x */ | |
1658 | if (!acpi_ec_write(fan_status_offset, 0x00)) | |
1659 | return -EIO; | |
1660 | } else if (fans_handle && | |
1661 | sscanf(cmd, "speed %d", &speed) == 1 && | |
1662 | speed >= 0 && speed <= 65535) { | |
1663 | /* X31, X40 */ | |
1664 | if (!acpi_evalf(fans_handle, NULL, NULL, "vddd", | |
1665 | speed, speed, speed)) | |
1666 | return -EIO; | |
1667 | } else | |
1668 | return -EINVAL; | |
1da177e4 LT |
1669 | } |
1670 | ||
1671 | return 0; | |
78f81cc4 BD |
1672 | } |
1673 | ||
1da177e4 LT |
1674 | static struct ibm_struct ibms[] = { |
1675 | { | |
78f81cc4 BD |
1676 | .name = "driver", |
1677 | .init = driver_init, | |
1678 | .read = driver_read, | |
1679 | }, | |
1680 | { | |
1681 | .name = "hotkey", | |
1682 | .hid = IBM_HKEY_HID, | |
1683 | .init = hotkey_init, | |
1684 | .read = hotkey_read, | |
1685 | .write = hotkey_write, | |
1686 | .exit = hotkey_exit, | |
1687 | .notify = hotkey_notify, | |
1688 | .handle = &hkey_handle, | |
1689 | .type = ACPI_DEVICE_NOTIFY, | |
1690 | }, | |
1691 | { | |
1692 | .name = "bluetooth", | |
1693 | .init = bluetooth_init, | |
1694 | .read = bluetooth_read, | |
1695 | .write = bluetooth_write, | |
1696 | }, | |
42adb53c JF |
1697 | { |
1698 | .name = "wan", | |
1699 | .init = wan_init, | |
1700 | .read = wan_read, | |
1701 | .write = wan_write, | |
1702 | .experimental = 1, | |
1703 | }, | |
78f81cc4 BD |
1704 | { |
1705 | .name = "video", | |
1706 | .init = video_init, | |
1707 | .read = video_read, | |
1708 | .write = video_write, | |
1709 | .exit = video_exit, | |
1710 | }, | |
1da177e4 | 1711 | { |
78f81cc4 BD |
1712 | .name = "light", |
1713 | .init = light_init, | |
1714 | .read = light_read, | |
1715 | .write = light_write, | |
1716 | }, | |
63e5f248 | 1717 | #ifdef CONFIG_ACPI_IBM_DOCK |
1da177e4 | 1718 | { |
78f81cc4 BD |
1719 | .name = "dock", |
1720 | .read = dock_read, | |
1721 | .write = dock_write, | |
1722 | .notify = dock_notify, | |
1723 | .handle = &dock_handle, | |
1724 | .type = ACPI_SYSTEM_NOTIFY, | |
1725 | }, | |
1da177e4 | 1726 | { |
78f81cc4 BD |
1727 | .name = "dock", |
1728 | .hid = IBM_PCI_HID, | |
1729 | .notify = dock_notify, | |
1730 | .handle = &pci_handle, | |
1731 | .type = ACPI_SYSTEM_NOTIFY, | |
1732 | }, | |
63e5f248 | 1733 | #endif |
1da177e4 | 1734 | { |
78f81cc4 BD |
1735 | .name = "bay", |
1736 | .init = bay_init, | |
1737 | .read = bay_read, | |
1738 | .write = bay_write, | |
1739 | .notify = bay_notify, | |
1740 | .handle = &bay_handle, | |
1741 | .type = ACPI_SYSTEM_NOTIFY, | |
1742 | }, | |
1da177e4 | 1743 | { |
78f81cc4 BD |
1744 | .name = "cmos", |
1745 | .read = cmos_read, | |
1746 | .write = cmos_write, | |
1747 | }, | |
1da177e4 | 1748 | { |
78f81cc4 BD |
1749 | .name = "led", |
1750 | .init = led_init, | |
1751 | .read = led_read, | |
1752 | .write = led_write, | |
1753 | }, | |
1da177e4 | 1754 | { |
78f81cc4 BD |
1755 | .name = "beep", |
1756 | .read = beep_read, | |
1757 | .write = beep_write, | |
1758 | }, | |
1da177e4 | 1759 | { |
78f81cc4 BD |
1760 | .name = "thermal", |
1761 | .init = thermal_init, | |
1762 | .read = thermal_read, | |
1763 | }, | |
1da177e4 | 1764 | { |
78f81cc4 BD |
1765 | .name = "ecdump", |
1766 | .read = ecdump_read, | |
1767 | .write = ecdump_write, | |
1768 | .experimental = 1, | |
1769 | }, | |
1770 | { | |
1771 | .name = "brightness", | |
1772 | .read = brightness_read, | |
1773 | .write = brightness_write, | |
78f81cc4 BD |
1774 | }, |
1775 | { | |
1776 | .name = "volume", | |
1777 | .read = volume_read, | |
1778 | .write = volume_write, | |
78f81cc4 BD |
1779 | }, |
1780 | { | |
1781 | .name = "fan", | |
1782 | .read = fan_read, | |
1783 | .write = fan_write, | |
1784 | .experimental = 1, | |
1785 | }, | |
1da177e4 | 1786 | }; |
1da177e4 LT |
1787 | |
1788 | static int dispatch_read(char *page, char **start, off_t off, int count, | |
1789 | int *eof, void *data) | |
1790 | { | |
1791 | struct ibm_struct *ibm = (struct ibm_struct *)data; | |
1792 | int len; | |
78f81cc4 | 1793 | |
1da177e4 LT |
1794 | if (!ibm || !ibm->read) |
1795 | return -EINVAL; | |
1796 | ||
78f81cc4 | 1797 | len = ibm->read(page); |
1da177e4 LT |
1798 | if (len < 0) |
1799 | return len; | |
1800 | ||
1801 | if (len <= off + count) | |
1802 | *eof = 1; | |
1803 | *start = page + off; | |
1804 | len -= off; | |
1805 | if (len > count) | |
1806 | len = count; | |
1807 | if (len < 0) | |
1808 | len = 0; | |
1809 | ||
1810 | return len; | |
1811 | } | |
1812 | ||
78f81cc4 | 1813 | static int dispatch_write(struct file *file, const char __user * userbuf, |
1da177e4 LT |
1814 | unsigned long count, void *data) |
1815 | { | |
1816 | struct ibm_struct *ibm = (struct ibm_struct *)data; | |
1817 | char *kernbuf; | |
1818 | int ret; | |
1819 | ||
1820 | if (!ibm || !ibm->write) | |
1821 | return -EINVAL; | |
1822 | ||
1823 | kernbuf = kmalloc(count + 2, GFP_KERNEL); | |
1824 | if (!kernbuf) | |
1825 | return -ENOMEM; | |
1826 | ||
78f81cc4 | 1827 | if (copy_from_user(kernbuf, userbuf, count)) { |
1da177e4 | 1828 | kfree(kernbuf); |
78f81cc4 | 1829 | return -EFAULT; |
1da177e4 LT |
1830 | } |
1831 | ||
1832 | kernbuf[count] = 0; | |
1833 | strcat(kernbuf, ","); | |
78f81cc4 | 1834 | ret = ibm->write(kernbuf); |
1da177e4 LT |
1835 | if (ret == 0) |
1836 | ret = count; | |
1837 | ||
1838 | kfree(kernbuf); | |
1839 | ||
78f81cc4 | 1840 | return ret; |
1da177e4 LT |
1841 | } |
1842 | ||
1843 | static void dispatch_notify(acpi_handle handle, u32 event, void *data) | |
1844 | { | |
1845 | struct ibm_struct *ibm = (struct ibm_struct *)data; | |
1846 | ||
1847 | if (!ibm || !ibm->notify) | |
1848 | return; | |
1849 | ||
1850 | ibm->notify(ibm, event); | |
1851 | } | |
1852 | ||
78f81cc4 | 1853 | static int __init setup_notify(struct ibm_struct *ibm) |
1da177e4 LT |
1854 | { |
1855 | acpi_status status; | |
1856 | int ret; | |
1857 | ||
1858 | if (!*ibm->handle) | |
1859 | return 0; | |
1860 | ||
1861 | ret = acpi_bus_get_device(*ibm->handle, &ibm->device); | |
1862 | if (ret < 0) { | |
1863 | printk(IBM_ERR "%s device not present\n", ibm->name); | |
1864 | return 0; | |
1865 | } | |
1866 | ||
1867 | acpi_driver_data(ibm->device) = ibm; | |
1868 | sprintf(acpi_device_class(ibm->device), "%s/%s", IBM_NAME, ibm->name); | |
1869 | ||
1870 | status = acpi_install_notify_handler(*ibm->handle, ibm->type, | |
1871 | dispatch_notify, ibm); | |
1872 | if (ACPI_FAILURE(status)) { | |
1873 | printk(IBM_ERR "acpi_install_notify_handler(%s) failed: %d\n", | |
1874 | ibm->name, status); | |
1875 | return -ENODEV; | |
1876 | } | |
1877 | ||
1da177e4 LT |
1878 | return 0; |
1879 | } | |
1880 | ||
78f81cc4 | 1881 | static int __init ibm_device_add(struct acpi_device *device) |
1da177e4 LT |
1882 | { |
1883 | return 0; | |
1884 | } | |
1885 | ||
78f81cc4 | 1886 | static int __init register_driver(struct ibm_struct *ibm) |
1da177e4 LT |
1887 | { |
1888 | int ret; | |
1889 | ||
1890 | ibm->driver = kmalloc(sizeof(struct acpi_driver), GFP_KERNEL); | |
1891 | if (!ibm->driver) { | |
1892 | printk(IBM_ERR "kmalloc(ibm->driver) failed\n"); | |
1893 | return -1; | |
1894 | } | |
1895 | ||
1896 | memset(ibm->driver, 0, sizeof(struct acpi_driver)); | |
3dfd35cd | 1897 | sprintf(ibm->driver->name, "%s_%s", IBM_NAME, ibm->name); |
1da177e4 | 1898 | ibm->driver->ids = ibm->hid; |
78f81cc4 | 1899 | ibm->driver->ops.add = &ibm_device_add; |
1da177e4 LT |
1900 | |
1901 | ret = acpi_bus_register_driver(ibm->driver); | |
1902 | if (ret < 0) { | |
1903 | printk(IBM_ERR "acpi_bus_register_driver(%s) failed: %d\n", | |
1904 | ibm->hid, ret); | |
1905 | kfree(ibm->driver); | |
1906 | } | |
1907 | ||
1908 | return ret; | |
1909 | } | |
1910 | ||
78f81cc4 | 1911 | static int __init ibm_init(struct ibm_struct *ibm) |
1da177e4 LT |
1912 | { |
1913 | int ret; | |
1914 | struct proc_dir_entry *entry; | |
1915 | ||
1916 | if (ibm->experimental && !experimental) | |
1917 | return 0; | |
1918 | ||
1919 | if (ibm->hid) { | |
1920 | ret = register_driver(ibm); | |
1921 | if (ret < 0) | |
1922 | return ret; | |
1923 | ibm->driver_registered = 1; | |
1924 | } | |
1925 | ||
1926 | if (ibm->init) { | |
78f81cc4 | 1927 | ret = ibm->init(); |
1da177e4 LT |
1928 | if (ret != 0) |
1929 | return ret; | |
1930 | ibm->init_called = 1; | |
1931 | } | |
1932 | ||
78f81cc4 BD |
1933 | if (ibm->read) { |
1934 | entry = create_proc_entry(ibm->name, | |
1935 | S_IFREG | S_IRUGO | S_IWUSR, | |
1936 | proc_dir); | |
1937 | if (!entry) { | |
1938 | printk(IBM_ERR "unable to create proc entry %s\n", | |
1939 | ibm->name); | |
1940 | return -ENODEV; | |
1941 | } | |
1942 | entry->owner = THIS_MODULE; | |
1943 | entry->data = ibm; | |
1da177e4 | 1944 | entry->read_proc = &dispatch_read; |
78f81cc4 BD |
1945 | if (ibm->write) |
1946 | entry->write_proc = &dispatch_write; | |
1947 | ibm->proc_created = 1; | |
1948 | } | |
1da177e4 LT |
1949 | |
1950 | if (ibm->notify) { | |
1951 | ret = setup_notify(ibm); | |
1952 | if (ret < 0) | |
1953 | return ret; | |
78f81cc4 | 1954 | ibm->notify_installed = 1; |
1da177e4 LT |
1955 | } |
1956 | ||
1957 | return 0; | |
1958 | } | |
1959 | ||
1960 | static void ibm_exit(struct ibm_struct *ibm) | |
1961 | { | |
1962 | if (ibm->notify_installed) | |
1963 | acpi_remove_notify_handler(*ibm->handle, ibm->type, | |
1964 | dispatch_notify); | |
1965 | ||
1966 | if (ibm->proc_created) | |
1967 | remove_proc_entry(ibm->name, proc_dir); | |
1968 | ||
1969 | if (ibm->init_called && ibm->exit) | |
78f81cc4 | 1970 | ibm->exit(); |
1da177e4 LT |
1971 | |
1972 | if (ibm->driver_registered) { | |
1973 | acpi_bus_unregister_driver(ibm->driver); | |
1974 | kfree(ibm->driver); | |
1975 | } | |
1976 | } | |
1977 | ||
78f81cc4 BD |
1978 | static void __init ibm_handle_init(char *name, |
1979 | acpi_handle * handle, acpi_handle parent, | |
1980 | char **paths, int num_paths, char **path) | |
1da177e4 LT |
1981 | { |
1982 | int i; | |
1983 | acpi_status status; | |
1984 | ||
78f81cc4 | 1985 | for (i = 0; i < num_paths; i++) { |
1da177e4 | 1986 | status = acpi_get_handle(parent, paths[i], handle); |
78f81cc4 BD |
1987 | if (ACPI_SUCCESS(status)) { |
1988 | *path = paths[i]; | |
1989 | return; | |
1990 | } | |
1da177e4 LT |
1991 | } |
1992 | ||
78f81cc4 | 1993 | *handle = NULL; |
1da177e4 LT |
1994 | } |
1995 | ||
78f81cc4 | 1996 | #define IBM_HANDLE_INIT(object) \ |
1da177e4 | 1997 | ibm_handle_init(#object, &object##_handle, *object##_parent, \ |
78f81cc4 | 1998 | object##_paths, ARRAY_SIZE(object##_paths), &object##_path) |
1da177e4 LT |
1999 | |
2000 | static int set_ibm_param(const char *val, struct kernel_param *kp) | |
2001 | { | |
2002 | unsigned int i; | |
1da177e4 | 2003 | |
78f81cc4 BD |
2004 | for (i = 0; i < ARRAY_SIZE(ibms); i++) |
2005 | if (strcmp(ibms[i].name, kp->name) == 0 && ibms[i].write) { | |
2006 | if (strlen(val) > sizeof(ibms[i].param) - 2) | |
2007 | return -ENOSPC; | |
2008 | strcpy(ibms[i].param, val); | |
2009 | strcat(ibms[i].param, ","); | |
2010 | return 0; | |
2011 | } | |
1da177e4 | 2012 | |
1da177e4 LT |
2013 | return -EINVAL; |
2014 | } | |
2015 | ||
2016 | #define IBM_PARAM(feature) \ | |
2017 | module_param_call(feature, set_ibm_param, NULL, NULL, 0) | |
2018 | ||
78f81cc4 BD |
2019 | IBM_PARAM(hotkey); |
2020 | IBM_PARAM(bluetooth); | |
2021 | IBM_PARAM(video); | |
2022 | IBM_PARAM(light); | |
63e5f248 | 2023 | #ifdef CONFIG_ACPI_IBM_DOCK |
78f81cc4 | 2024 | IBM_PARAM(dock); |
63e5f248 | 2025 | #endif |
78f81cc4 BD |
2026 | IBM_PARAM(bay); |
2027 | IBM_PARAM(cmos); | |
2028 | IBM_PARAM(led); | |
2029 | IBM_PARAM(beep); | |
2030 | IBM_PARAM(ecdump); | |
2031 | IBM_PARAM(brightness); | |
2032 | IBM_PARAM(volume); | |
2033 | IBM_PARAM(fan); | |
2034 | ||
8acb0250 | 2035 | static struct backlight_properties ibm_backlight_data = { |
8d297264 HMH |
2036 | .owner = THIS_MODULE, |
2037 | .get_brightness = brightness_get, | |
2038 | .update_status = brightness_update_status, | |
2039 | .max_brightness = 7, | |
8acb0250 HM |
2040 | }; |
2041 | ||
1da177e4 LT |
2042 | static void acpi_ibm_exit(void) |
2043 | { | |
2044 | int i; | |
2045 | ||
8acb0250 HM |
2046 | if (ibm_backlight_device) |
2047 | backlight_device_unregister(ibm_backlight_device); | |
2048 | ||
78f81cc4 | 2049 | for (i = ARRAY_SIZE(ibms) - 1; i >= 0; i--) |
1da177e4 LT |
2050 | ibm_exit(&ibms[i]); |
2051 | ||
2052 | remove_proc_entry(IBM_DIR, acpi_root_dir); | |
2053 | } | |
2054 | ||
2055 | static int __init acpi_ibm_init(void) | |
2056 | { | |
2057 | int ret, i; | |
2058 | ||
2059 | if (acpi_disabled) | |
2060 | return -ENODEV; | |
2061 | ||
78f81cc4 BD |
2062 | if (!acpi_specific_hotkey_enabled) { |
2063 | printk(IBM_ERR "using generic hotkey driver\n"); | |
1da177e4 | 2064 | return -ENODEV; |
78f81cc4 | 2065 | } |
1da177e4 | 2066 | |
78f81cc4 BD |
2067 | /* ec is required because many other handles are relative to it */ |
2068 | IBM_HANDLE_INIT(ec); | |
2069 | if (!ec_handle) { | |
2070 | printk(IBM_ERR "ec object not found\n"); | |
1da177e4 | 2071 | return -ENODEV; |
78f81cc4 | 2072 | } |
1da177e4 LT |
2073 | |
2074 | /* these handles are not required */ | |
78f81cc4 BD |
2075 | IBM_HANDLE_INIT(vid); |
2076 | IBM_HANDLE_INIT(vid2); | |
2077 | IBM_HANDLE_INIT(ledb); | |
2078 | IBM_HANDLE_INIT(led); | |
2079 | IBM_HANDLE_INIT(hkey); | |
2080 | IBM_HANDLE_INIT(lght); | |
2081 | IBM_HANDLE_INIT(cmos); | |
63e5f248 | 2082 | #ifdef CONFIG_ACPI_IBM_DOCK |
78f81cc4 | 2083 | IBM_HANDLE_INIT(dock); |
63e5f248 | 2084 | #endif |
78f81cc4 BD |
2085 | IBM_HANDLE_INIT(pci); |
2086 | IBM_HANDLE_INIT(bay); | |
2087 | if (bay_handle) | |
2088 | IBM_HANDLE_INIT(bay_ej); | |
2089 | IBM_HANDLE_INIT(bay2); | |
2090 | if (bay2_handle) | |
2091 | IBM_HANDLE_INIT(bay2_ej); | |
2092 | IBM_HANDLE_INIT(beep); | |
2093 | IBM_HANDLE_INIT(ecrd); | |
2094 | IBM_HANDLE_INIT(ecwr); | |
2095 | IBM_HANDLE_INIT(fans); | |
2096 | IBM_HANDLE_INIT(gfan); | |
2097 | IBM_HANDLE_INIT(sfan); | |
1da177e4 LT |
2098 | |
2099 | proc_dir = proc_mkdir(IBM_DIR, acpi_root_dir); | |
2100 | if (!proc_dir) { | |
2101 | printk(IBM_ERR "unable to create proc dir %s", IBM_DIR); | |
2102 | return -ENODEV; | |
2103 | } | |
2104 | proc_dir->owner = THIS_MODULE; | |
78f81cc4 BD |
2105 | |
2106 | for (i = 0; i < ARRAY_SIZE(ibms); i++) { | |
1da177e4 | 2107 | ret = ibm_init(&ibms[i]); |
78f81cc4 BD |
2108 | if (ret >= 0 && *ibms[i].param) |
2109 | ret = ibms[i].write(ibms[i].param); | |
1da177e4 LT |
2110 | if (ret < 0) { |
2111 | acpi_ibm_exit(); | |
2112 | return ret; | |
2113 | } | |
2114 | } | |
2115 | ||
8acb0250 HM |
2116 | ibm_backlight_device = backlight_device_register("ibm", NULL, |
2117 | &ibm_backlight_data); | |
8d297264 | 2118 | if (IS_ERR(ibm_backlight_device)) { |
8acb0250 HM |
2119 | printk(IBM_ERR "Could not register ibm backlight device\n"); |
2120 | ibm_backlight_device = NULL; | |
2121 | acpi_ibm_exit(); | |
2122 | } | |
2123 | ||
1da177e4 LT |
2124 | return 0; |
2125 | } | |
2126 | ||
2127 | module_init(acpi_ibm_init); | |
2128 | module_exit(acpi_ibm_exit); |