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authorLen Brown <len.brown@intel.com>2005-08-25 17:41:14 -0400
committerLen Brown <len.brown@intel.com>2005-08-25 17:41:14 -0400
commit89ef1a21a174a4f581a4b6973f9a9f9ee28a9304 (patch)
tree38c156555128646b7a8937e72a20baafe3c4c832 /drivers/acpi
parent09d4a80e66cdf3e68cdb06e907f7bc0b242acbd0 (diff)
parent78f81cc4355c31c798564ff7efb253cc4cdce6c0 (diff)
merge ibm into test
Diffstat (limited to 'drivers/acpi')
-rw-r--r--drivers/acpi/ibm_acpi.c1358
1 files changed, 1044 insertions, 314 deletions
diff --git a/drivers/acpi/ibm_acpi.c b/drivers/acpi/ibm_acpi.c
index 62233bd7147c..5cc090326ddc 100644
--- a/drivers/acpi/ibm_acpi.c
+++ b/drivers/acpi/ibm_acpi.c
@@ -2,7 +2,7 @@
2 * ibm_acpi.c - IBM ThinkPad ACPI Extras 2 * ibm_acpi.c - IBM ThinkPad ACPI Extras
3 * 3 *
4 * 4 *
5 * Copyright (C) 2004 Borislav Deianov 5 * Copyright (C) 2004-2005 Borislav Deianov <borislav@users.sf.net>
6 * 6 *
7 * This program is free software; you can redistribute it and/or modify 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 8 * it under the terms of the GNU General Public License as published by
@@ -17,38 +17,62 @@
17 * You should have received a copy of the GNU General Public License 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 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 19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20 * 20 */
21
22#define IBM_VERSION "0.12a"
23
24/*
21 * Changelog: 25 * Changelog:
22 * 26 *
23 * 2004-08-09 0.1 initial release, support for X series 27 * 2005-08-17 0.12 fix compilation on 2.6.13-rc kernels
24 * 2004-08-14 0.2 support for T series, X20 28 * 2005-03-17 0.11 support for 600e, 770x
25 * bluetooth enable/disable 29 * thanks to Jamie Lentin <lentinj@dial.pipex.com>
26 * hotkey events disabled by default 30 * support for 770e, G41
27 * removed fan control, currently useless 31 * G40 and G41 don't have a thinklight
28 * 2004-08-17 0.3 support for R40 32 * temperatures no longer experimental
29 * lcd off, brightness control 33 * experimental brightness control
30 * thinklight on/off 34 * experimental volume control
31 * 2004-09-16 0.4 support for module parameters 35 * experimental fan enable/disable
32 * hotkey mask can be prefixed by 0x 36 * 2005-01-16 0.10 fix module loading on R30, R31
33 * video output switching 37 * 2005-01-16 0.9 support for 570, R30, R31
34 * video expansion control 38 * ultrabay support on A22p, A3x
35 * ultrabay eject support 39 * limit arg for cmos, led, beep, drop experimental status
36 * removed lcd brightness/on/off control, didn't work 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
37 * 2004-10-18 0.5 thinklight support on A21e, G40, R32, T20, T21, X20 54 * 2004-10-18 0.5 thinklight support on A21e, G40, R32, T20, T21, X20
38 * proc file format changed 55 * proc file format changed
39 * video_switch command 56 * video_switch command
40 * experimental cmos control 57 * experimental cmos control
41 * experimental led control 58 * experimental led control
42 * experimental acpi sounds 59 * experimental acpi sounds
43 * 2004-10-19 0.6 use acpi_bus_register_driver() to claim HKEY device 60 * 2004-09-16 0.4 support for module parameters
44 * 2004-10-23 0.7 fix module loading on A21e, A22p, T20, T21, X20 61 * hotkey mask can be prefixed by 0x
45 * fix LED control on A21e 62 * video output switching
46 * 2004-11-08 0.8 fix init error case, don't return from a macro 63 * video expansion control
47 * thanks to Chris Wright <chrisw@osdl.org> 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
48 */ 74 */
49 75
50#define IBM_VERSION "0.8"
51
52#include <linux/kernel.h> 76#include <linux/kernel.h>
53#include <linux/module.h> 77#include <linux/module.h>
54#include <linux/init.h> 78#include <linux/init.h>
@@ -64,6 +88,11 @@
64#define IBM_FILE "ibm_acpi" 88#define IBM_FILE "ibm_acpi"
65#define IBM_URL "http://ibm-acpi.sf.net/" 89#define IBM_URL "http://ibm-acpi.sf.net/"
66 90
91MODULE_AUTHOR("Borislav Deianov");
92MODULE_DESCRIPTION(IBM_DESC);
93MODULE_VERSION(IBM_VERSION);
94MODULE_LICENSE("GPL");
95
67#define IBM_DIR IBM_NAME 96#define IBM_DIR IBM_NAME
68 97
69#define IBM_LOG IBM_FILE ": " 98#define IBM_LOG IBM_FILE ": "
@@ -84,46 +113,120 @@ static acpi_handle root_handle = NULL;
84#define IBM_HANDLE(object, parent, paths...) \ 113#define IBM_HANDLE(object, parent, paths...) \
85 static acpi_handle object##_handle; \ 114 static acpi_handle object##_handle; \
86 static acpi_handle *object##_parent = &parent##_handle; \ 115 static acpi_handle *object##_parent = &parent##_handle; \
116 static char *object##_path; \
87 static char *object##_paths[] = { paths } 117 static char *object##_paths[] = { paths }
88 118
89IBM_HANDLE(ec, root, "\\_SB.PCI0.ISA.EC", /* A21e, A22p, T20, T21, X20 */ 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
141IBM_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 */
90 "\\_SB.PCI0.LPC.EC", /* all others */ 147 "\\_SB.PCI0.LPC.EC", /* all others */
91 ); 148 );
92 149
93IBM_HANDLE(vid, root, "\\_SB.PCI0.VID", /* A21e, G40, X30, X40 */ 150IBM_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 */
94 "\\_SB.PCI0.AGP.VID", /* all others */ 154 "\\_SB.PCI0.AGP.VID", /* all others */
95 ); 155 ); /* R30, R31 */
156
157IBM_HANDLE(vid2, root, "\\_SB.PCI0.AGPB.VID"); /* G41 */
96 158
97IBM_HANDLE(cmos, root, "\\UCMS", /* R50, R50p, R51, T4x, X31, X40 */ 159IBM_HANDLE(cmos, root, "\\UCMS", /* R50, R50e, R50p, R51, T4x, X31, X40 */
98 "\\CMOS", /* A3x, G40, R32, T23, T30, X22, X24, X30 */ 160 "\\CMOS", /* A3x, G4x, R32, T23, T30, X22-24, X30 */
99 "\\CMS", /* R40, R40e */ 161 "\\CMS", /* R40, R40e */
100 ); /* A21e, A22p, T20, T21, X20 */ 162 ); /* all others */
101 163
102IBM_HANDLE(dock, root, "\\_SB.GDCK", /* X30, X31, X40 */ 164IBM_HANDLE(dock, root, "\\_SB.GDCK", /* X30, X31, X40 */
103 "\\_SB.PCI0.DOCK", /* A22p, T20, T21, X20 */ 165 "\\_SB.PCI0.DOCK", /* 600e/x,770e,770x,A2xm/p,T20-22,X20-21 */
104 "\\_SB.PCI0.PCI1.DOCK", /* all others */ 166 "\\_SB.PCI0.PCI1.DOCK", /* all others */
105 ); /* A21e, G40, R32, R40, R40e */ 167 "\\_SB.PCI.ISA.SLCE", /* 570 */
168 ); /* A21e,G4x,R30,R31,R32,R40,R40e,R50e */
169
170IBM_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
175IBM_HANDLE(bay_ej, bay, "_EJ3", /* 600e/x, A2xm/p, A3x */
176 "_EJ0", /* all others */
177 ); /* 570,A21e,G4x,R30,R31,R32,R40e,R50e */
178
179IBM_HANDLE(bay2, root, "\\_SB.PCI0.IDE0.PRIM.SLAV", /* A3x, R32 */
180 "\\_SB.PCI0.IDE0.IDEP.IDPS", /* 600e/x, 770e, 770x */
181 ); /* all others */
182
183IBM_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 */
188IBM_HANDLE(pci, root, "\\_SB.PCI"); /* 570 */
106 189
107IBM_HANDLE(bay, root, "\\_SB.PCI0.IDE0.SCND.MSTR"); /* all except A21e */ 190IBM_HANDLE(hkey, ec, "\\_SB.HKEY", /* 600e/x, 770e, 770x */
108IBM_HANDLE(bayej, root, "\\_SB.PCI0.IDE0.SCND.MSTR._EJ0"); /* all except A2x, A3x */ 191 "^HKEY", /* R30, R31 */
192 "HKEY", /* all others */
193 ); /* 570 */
109 194
110IBM_HANDLE(lght, root, "\\LGHT"); /* A21e, A22p, T20, T21, X20 */ 195IBM_HANDLE(lght, root, "\\LGHT"); /* A21e, A2xm/p, T20-22, X20-21 */
111IBM_HANDLE(hkey, ec, "HKEY"); /* all */ 196IBM_HANDLE(ledb, ec, "LEDB"); /* G4x */
112IBM_HANDLE(led, ec, "LED"); /* all except A21e, A22p, T20, T21, X20 */ 197
113IBM_HANDLE(sysl, ec, "SYSL"); /* A21e, A22p, T20, T21, X20 */ 198IBM_HANDLE(led, ec, "SLED", /* 570 */
114IBM_HANDLE(bled, ec, "BLED"); /* A22p, T20, T21, X20 */ 199 "SYSL", /* 600e/x, 770e, 770x, A21e, A2xm/p, T20-22, X20-21 */
115IBM_HANDLE(beep, ec, "BEEP"); /* all models */ 200 "LED", /* all others */
201 ); /* R30, R31 */
202
203IBM_HANDLE(beep, ec, "BEEP"); /* all except R30, R31 */
204IBM_HANDLE(ecrd, ec, "ECRD"); /* 570 */
205IBM_HANDLE(ecwr, ec, "ECWR"); /* 570 */
206IBM_HANDLE(fans, ec, "FANS"); /* X31, X40 */
207
208IBM_HANDLE(gfan, ec, "GFAN", /* 570 */
209 "\\FSPD", /* 600e/x, 770e, 770x */
210 ); /* all others */
211
212IBM_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"
116 218
117struct ibm_struct { 219struct ibm_struct {
118 char *name; 220 char *name;
221 char param[32];
119 222
120 char *hid; 223 char *hid;
121 struct acpi_driver *driver; 224 struct acpi_driver *driver;
122 225
123 int (*init) (struct ibm_struct *); 226 int (*init) (void);
124 int (*read) (struct ibm_struct *, char *); 227 int (*read) (char *);
125 int (*write) (struct ibm_struct *, char *); 228 int (*write) (char *);
126 void (*exit) (struct ibm_struct *); 229 void (*exit) (void);
127 230
128 void (*notify) (struct ibm_struct *, u32); 231 void (*notify) (struct ibm_struct *, u32);
129 acpi_handle *handle; 232 acpi_handle *handle;
@@ -135,17 +238,6 @@ struct ibm_struct {
135 int init_called; 238 int init_called;
136 int notify_installed; 239 int notify_installed;
137 240
138 int supported;
139 union {
140 struct {
141 int status;
142 int mask;
143 } hotkey;
144 struct {
145 int autoswitch;
146 } video;
147 } state;
148
149 int experimental; 241 int experimental;
150}; 242};
151 243
@@ -161,7 +253,7 @@ static int acpi_evalf(acpi_handle handle,
161 char *fmt0 = fmt; 253 char *fmt0 = fmt;
162 struct acpi_object_list params; 254 struct acpi_object_list params;
163 union acpi_object in_objs[IBM_MAX_ACPI_ARGS]; 255 union acpi_object in_objs[IBM_MAX_ACPI_ARGS];
164 struct acpi_buffer result; 256 struct acpi_buffer result, *resultp;
165 union acpi_object out_obj; 257 union acpi_object out_obj;
166 acpi_status status; 258 acpi_status status;
167 va_list ap; 259 va_list ap;
@@ -202,10 +294,14 @@ static int acpi_evalf(acpi_handle handle,
202 } 294 }
203 va_end(ap); 295 va_end(ap);
204 296
205 result.length = sizeof(out_obj); 297 if (res_type != 'v') {
206 result.pointer = &out_obj; 298 result.length = sizeof(out_obj);
299 result.pointer = &out_obj;
300 resultp = &result;
301 } else
302 resultp = NULL;
207 303
208 status = acpi_evaluate_object(handle, method, &params, &result); 304 status = acpi_evaluate_object(handle, method, &params, resultp);
209 305
210 switch (res_type) { 306 switch (res_type) {
211 case 'd': /* int */ 307 case 'd': /* int */
@@ -256,7 +352,7 @@ static char *next_cmd(char **cmds)
256 return start; 352 return start;
257} 353}
258 354
259static int driver_init(struct ibm_struct *ibm) 355static int driver_init(void)
260{ 356{
261 printk(IBM_INFO "%s v%s\n", IBM_DESC, IBM_VERSION); 357 printk(IBM_INFO "%s v%s\n", IBM_DESC, IBM_VERSION);
262 printk(IBM_INFO "%s\n", IBM_URL); 358 printk(IBM_INFO "%s\n", IBM_URL);
@@ -264,7 +360,7 @@ static int driver_init(struct ibm_struct *ibm)
264 return 0; 360 return 0;
265} 361}
266 362
267static int driver_read(struct ibm_struct *ibm, char *p) 363static int driver_read(char *p)
268{ 364{
269 int len = 0; 365 int len = 0;
270 366
@@ -274,66 +370,74 @@ static int driver_read(struct ibm_struct *ibm, char *p)
274 return len; 370 return len;
275} 371}
276 372
277static int hotkey_get(struct ibm_struct *ibm, int *status, int *mask) 373static int hotkey_supported;
374static int hotkey_mask_supported;
375static int hotkey_orig_status;
376static int hotkey_orig_mask;
377
378static int hotkey_get(int *status, int *mask)
278{ 379{
279 if (!acpi_evalf(hkey_handle, status, "DHKC", "d")) 380 if (!acpi_evalf(hkey_handle, status, "DHKC", "d"))
280 return -EIO; 381 return 0;
281 if (ibm->supported) { 382
282 if (!acpi_evalf(hkey_handle, mask, "DHKN", "qd")) 383 if (hotkey_mask_supported)
283 return -EIO; 384 if (!acpi_evalf(hkey_handle, mask, "DHKN", "d"))
284 } else { 385 return 0;
285 *mask = ibm->state.hotkey.mask; 386
286 } 387 return 1;
287 return 0;
288} 388}
289 389
290static int hotkey_set(struct ibm_struct *ibm, int status, int mask) 390static int hotkey_set(int status, int mask)
291{ 391{
292 int i; 392 int i;
293 393
294 if (!acpi_evalf(hkey_handle, NULL, "MHKC", "vd", status)) 394 if (!acpi_evalf(hkey_handle, NULL, "MHKC", "vd", status))
295 return -EIO;
296
297 if (!ibm->supported)
298 return 0; 395 return 0;
299 396
300 for (i = 0; i < 32; i++) { 397 if (hotkey_mask_supported)
301 int bit = ((1 << i) & mask) != 0; 398 for (i = 0; i < 32; i++) {
302 if (!acpi_evalf(hkey_handle, NULL, "MHKM", "vdd", i + 1, bit)) 399 int bit = ((1 << i) & mask) != 0;
303 return -EIO; 400 if (!acpi_evalf(hkey_handle,
304 } 401 NULL, "MHKM", "vdd", i + 1, bit))
402 return 0;
403 }
305 404
306 return 0; 405 return 1;
307} 406}
308 407
309static int hotkey_init(struct ibm_struct *ibm) 408static int hotkey_init(void)
310{ 409{
311 int ret; 410 /* hotkey not supported on 570 */
411 hotkey_supported = hkey_handle != NULL;
312 412
313 ibm->supported = 1; 413 if (hotkey_supported) {
314 ret = hotkey_get(ibm, 414 /* mask not supported on 570, 600e/x, 770e, 770x, A21e, A2xm/p,
315 &ibm->state.hotkey.status, &ibm->state.hotkey.mask); 415 A30, R30, R31, T20-22, X20-21, X22-24 */
316 if (ret < 0) { 416 hotkey_mask_supported =
317 /* mask not supported on A21e, A22p, T20, T21, X20, X22, X24 */ 417 acpi_evalf(hkey_handle, NULL, "DHKN", "qv");
318 ibm->supported = 0; 418
319 ret = hotkey_get(ibm, 419 if (!hotkey_get(&hotkey_orig_status, &hotkey_orig_mask))
320 &ibm->state.hotkey.status, 420 return -ENODEV;
321 &ibm->state.hotkey.mask);
322 } 421 }
323 422
324 return ret; 423 return 0;
325} 424}
326 425
327static int hotkey_read(struct ibm_struct *ibm, char *p) 426static int hotkey_read(char *p)
328{ 427{
329 int status, mask; 428 int status, mask;
330 int len = 0; 429 int len = 0;
331 430
332 if (hotkey_get(ibm, &status, &mask) < 0) 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))
333 return -EIO; 437 return -EIO;
334 438
335 len += sprintf(p + len, "status:\t\t%s\n", enabled(status, 0)); 439 len += sprintf(p + len, "status:\t\t%s\n", enabled(status, 0));
336 if (ibm->supported) { 440 if (hotkey_mask_supported) {
337 len += sprintf(p + len, "mask:\t\t0x%04x\n", mask); 441 len += sprintf(p + len, "mask:\t\t0x%04x\n", mask);
338 len += sprintf(p + len, 442 len += sprintf(p + len,
339 "commands:\tenable, disable, reset, <mask>\n"); 443 "commands:\tenable, disable, reset, <mask>\n");
@@ -345,23 +449,26 @@ static int hotkey_read(struct ibm_struct *ibm, char *p)
345 return len; 449 return len;
346} 450}
347 451
348static int hotkey_write(struct ibm_struct *ibm, char *buf) 452static int hotkey_write(char *buf)
349{ 453{
350 int status, mask; 454 int status, mask;
351 char *cmd; 455 char *cmd;
352 int do_cmd = 0; 456 int do_cmd = 0;
353 457
354 if (hotkey_get(ibm, &status, &mask) < 0) 458 if (!hotkey_supported)
355 return -ENODEV; 459 return -ENODEV;
356 460
461 if (!hotkey_get(&status, &mask))
462 return -EIO;
463
357 while ((cmd = next_cmd(&buf))) { 464 while ((cmd = next_cmd(&buf))) {
358 if (strlencmp(cmd, "enable") == 0) { 465 if (strlencmp(cmd, "enable") == 0) {
359 status = 1; 466 status = 1;
360 } else if (strlencmp(cmd, "disable") == 0) { 467 } else if (strlencmp(cmd, "disable") == 0) {
361 status = 0; 468 status = 0;
362 } else if (strlencmp(cmd, "reset") == 0) { 469 } else if (strlencmp(cmd, "reset") == 0) {
363 status = ibm->state.hotkey.status; 470 status = hotkey_orig_status;
364 mask = ibm->state.hotkey.mask; 471 mask = hotkey_orig_mask;
365 } else if (sscanf(cmd, "0x%x", &mask) == 1) { 472 } else if (sscanf(cmd, "0x%x", &mask) == 1) {
366 /* mask set */ 473 /* mask set */
367 } else if (sscanf(cmd, "%x", &mask) == 1) { 474 } else if (sscanf(cmd, "%x", &mask) == 1) {
@@ -371,15 +478,16 @@ static int hotkey_write(struct ibm_struct *ibm, char *buf)
371 do_cmd = 1; 478 do_cmd = 1;
372 } 479 }
373 480
374 if (do_cmd && hotkey_set(ibm, status, mask) < 0) 481 if (do_cmd && !hotkey_set(status, mask))
375 return -EIO; 482 return -EIO;
376 483
377 return 0; 484 return 0;
378} 485}
379 486
380static void hotkey_exit(struct ibm_struct *ibm) 487static void hotkey_exit(void)
381{ 488{
382 hotkey_set(ibm, ibm->state.hotkey.status, ibm->state.hotkey.mask); 489 if (hotkey_supported)
490 hotkey_set(hotkey_orig_status, hotkey_orig_mask);
383} 491}
384 492
385static void hotkey_notify(struct ibm_struct *ibm, u32 event) 493static void hotkey_notify(struct ibm_struct *ibm, u32 event)
@@ -394,30 +502,35 @@ static void hotkey_notify(struct ibm_struct *ibm, u32 event)
394 } 502 }
395} 503}
396 504
397static int bluetooth_init(struct ibm_struct *ibm) 505static int bluetooth_supported;
506
507static int bluetooth_init(void)
398{ 508{
399 /* bluetooth not supported on A21e, G40, T20, T21, X20 */ 509 /* bluetooth not supported on 570, 600e/x, 770e, 770x, A21e, A2xm/p,
400 ibm->supported = acpi_evalf(hkey_handle, NULL, "GBDC", "qv"); 510 G4x, R30, R31, R40e, R50e, T20-22, X20-21 */
511 bluetooth_supported = hkey_handle &&
512 acpi_evalf(hkey_handle, NULL, "GBDC", "qv");
401 513
402 return 0; 514 return 0;
403} 515}
404 516
405static int bluetooth_status(struct ibm_struct *ibm) 517static int bluetooth_status(void)
406{ 518{
407 int status; 519 int status;
408 520
409 if (!ibm->supported || !acpi_evalf(hkey_handle, &status, "GBDC", "d")) 521 if (!bluetooth_supported ||
522 !acpi_evalf(hkey_handle, &status, "GBDC", "d"))
410 status = 0; 523 status = 0;
411 524
412 return status; 525 return status;
413} 526}
414 527
415static int bluetooth_read(struct ibm_struct *ibm, char *p) 528static int bluetooth_read(char *p)
416{ 529{
417 int len = 0; 530 int len = 0;
418 int status = bluetooth_status(ibm); 531 int status = bluetooth_status();
419 532
420 if (!ibm->supported) 533 if (!bluetooth_supported)
421 len += sprintf(p + len, "status:\t\tnot supported\n"); 534 len += sprintf(p + len, "status:\t\tnot supported\n");
422 else if (!(status & 1)) 535 else if (!(status & 1))
423 len += sprintf(p + len, "status:\t\tnot installed\n"); 536 len += sprintf(p + len, "status:\t\tnot installed\n");
@@ -429,14 +542,14 @@ static int bluetooth_read(struct ibm_struct *ibm, char *p)
429 return len; 542 return len;
430} 543}
431 544
432static int bluetooth_write(struct ibm_struct *ibm, char *buf) 545static int bluetooth_write(char *buf)
433{ 546{
434 int status = bluetooth_status(ibm); 547 int status = bluetooth_status();
435 char *cmd; 548 char *cmd;
436 int do_cmd = 0; 549 int do_cmd = 0;
437 550
438 if (!ibm->supported) 551 if (!bluetooth_supported)
439 return -EINVAL; 552 return -ENODEV;
440 553
441 while ((cmd = next_cmd(&buf))) { 554 while ((cmd = next_cmd(&buf))) {
442 if (strlencmp(cmd, "enable") == 0) { 555 if (strlencmp(cmd, "enable") == 0) {
@@ -454,58 +567,161 @@ static int bluetooth_write(struct ibm_struct *ibm, char *buf)
454 return 0; 567 return 0;
455} 568}
456 569
457static int video_init(struct ibm_struct *ibm) 570static int video_supported;
571static int video_orig_autosw;
572
573#define VIDEO_570 1
574#define VIDEO_770 2
575#define VIDEO_NEW 3
576
577static int video_init(void)
458{ 578{
459 if (!acpi_evalf(vid_handle, &ibm->state.video.autoswitch, "^VDEE", "d")) 579 int ivga;
460 return -ENODEV; 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;
461 597
462 return 0; 598 return 0;
463} 599}
464 600
465static int video_status(struct ibm_struct *ibm) 601static int video_status(void)
466{ 602{
467 int status = 0; 603 int status = 0;
468 int i; 604 int i;
469 605
470 acpi_evalf(NULL, NULL, "\\VUPS", "vd", 1); 606 if (video_supported == VIDEO_570) {
471 if (acpi_evalf(NULL, &i, "\\VCDC", "d")) 607 if (acpi_evalf(NULL, &i, "\\_SB.PHS", "dd", 0x87))
472 status |= 0x02 * i; 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 }
473 625
474 acpi_evalf(NULL, NULL, "\\VUPS", "vd", 0); 626 return status;
475 if (acpi_evalf(NULL, &i, "\\VCDL", "d")) 627}
476 status |= 0x01 * i;
477 if (acpi_evalf(NULL, &i, "\\VCDD", "d"))
478 status |= 0x08 * i;
479 628
480 if (acpi_evalf(vid_handle, &i, "^VDEE", "d")) 629static int video_autosw(void)
481 status |= 0x10 * (i & 1); 630{
631 int autosw = 0;
482 632
483 return status; 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");
637
638 return autosw & 1;
484} 639}
485 640
486static int video_read(struct ibm_struct *ibm, char *p) 641static int video_read(char *p)
487{ 642{
488 int status = video_status(ibm); 643 int status = video_status();
644 int autosw = video_autosw();
489 int len = 0; 645 int len = 0;
490 646
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");
491 len += sprintf(p + len, "lcd:\t\t%s\n", enabled(status, 0)); 653 len += sprintf(p + len, "lcd:\t\t%s\n", enabled(status, 0));
492 len += sprintf(p + len, "crt:\t\t%s\n", enabled(status, 1)); 654 len += sprintf(p + len, "crt:\t\t%s\n", enabled(status, 1));
493 len += sprintf(p + len, "dvi:\t\t%s\n", enabled(status, 3)); 655 if (video_supported == VIDEO_NEW)
494 len += sprintf(p + len, "auto:\t\t%s\n", enabled(status, 4)); 656 len += sprintf(p + len, "dvi:\t\t%s\n", enabled(status, 3));
495 len += sprintf(p + len, "commands:\tlcd_enable, lcd_disable, " 657 len += sprintf(p + len, "auto:\t\t%s\n", enabled(autosw, 0));
496 "crt_enable, crt_disable\n"); 658 len += sprintf(p + len, "commands:\tlcd_enable, lcd_disable\n");
497 len += sprintf(p + len, "commands:\tdvi_enable, dvi_disable, " 659 len += sprintf(p + len, "commands:\tcrt_enable, crt_disable\n");
498 "auto_enable, auto_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");
499 len += sprintf(p + len, "commands:\tvideo_switch, expand_toggle\n"); 663 len += sprintf(p + len, "commands:\tvideo_switch, expand_toggle\n");
500 664
501 return len; 665 return len;
502} 666}
503 667
504static int video_write(struct ibm_struct *ibm, char *buf) 668static 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
683static 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
693static 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
717static int video_write(char *buf)
505{ 718{
506 char *cmd; 719 char *cmd;
507 int enable, disable, status; 720 int enable, disable, status;
508 721
722 if (!video_supported)
723 return -ENODEV;
724
509 enable = disable = 0; 725 enable = disable = 0;
510 726
511 while ((cmd = next_cmd(&buf))) { 727 while ((cmd = next_cmd(&buf))) {
@@ -517,9 +733,11 @@ static int video_write(struct ibm_struct *ibm, char *buf)
517 enable |= 0x02; 733 enable |= 0x02;
518 } else if (strlencmp(cmd, "crt_disable") == 0) { 734 } else if (strlencmp(cmd, "crt_disable") == 0) {
519 disable |= 0x02; 735 disable |= 0x02;
520 } else if (strlencmp(cmd, "dvi_enable") == 0) { 736 } else if (video_supported == VIDEO_NEW &&
737 strlencmp(cmd, "dvi_enable") == 0) {
521 enable |= 0x08; 738 enable |= 0x08;
522 } else if (strlencmp(cmd, "dvi_disable") == 0) { 739 } else if (video_supported == VIDEO_NEW &&
740 strlencmp(cmd, "dvi_disable") == 0) {
523 disable |= 0x08; 741 disable |= 0x08;
524 } else if (strlencmp(cmd, "auto_enable") == 0) { 742 } else if (strlencmp(cmd, "auto_enable") == 0) {
525 if (!acpi_evalf(vid_handle, NULL, "_DOS", "vd", 1)) 743 if (!acpi_evalf(vid_handle, NULL, "_DOS", "vd", 1))
@@ -528,70 +746,75 @@ static int video_write(struct ibm_struct *ibm, char *buf)
528 if (!acpi_evalf(vid_handle, NULL, "_DOS", "vd", 0)) 746 if (!acpi_evalf(vid_handle, NULL, "_DOS", "vd", 0))
529 return -EIO; 747 return -EIO;
530 } else if (strlencmp(cmd, "video_switch") == 0) { 748 } else if (strlencmp(cmd, "video_switch") == 0) {
531 int autoswitch; 749 if (!video_switch())
532 if (!acpi_evalf(vid_handle, &autoswitch, "^VDEE", "d"))
533 return -EIO;
534 if (!acpi_evalf(vid_handle, NULL, "_DOS", "vd", 1))
535 return -EIO;
536 if (!acpi_evalf(vid_handle, NULL, "VSWT", "v"))
537 return -EIO;
538 if (!acpi_evalf(vid_handle, NULL, "_DOS", "vd",
539 autoswitch))
540 return -EIO; 750 return -EIO;
541 } else if (strlencmp(cmd, "expand_toggle") == 0) { 751 } else if (strlencmp(cmd, "expand_toggle") == 0) {
542 if (!acpi_evalf(NULL, NULL, "\\VEXP", "v")) 752 if (!video_expand())
543 return -EIO; 753 return -EIO;
544 } else 754 } else
545 return -EINVAL; 755 return -EINVAL;
546 } 756 }
547 757
548 if (enable || disable) { 758 if (enable || disable) {
549 status = (video_status(ibm) & 0x0f & ~disable) | enable; 759 status = (video_status() & 0x0f & ~disable) | enable;
550 if (!acpi_evalf(NULL, NULL, "\\VUPS", "vd", 0x80)) 760 if (!video_switch2(status))
551 return -EIO;
552 if (!acpi_evalf(NULL, NULL, "\\VSDS", "vdd", status, 1))
553 return -EIO; 761 return -EIO;
554 } 762 }
555 763
556 return 0; 764 return 0;
557} 765}
558 766
559static void video_exit(struct ibm_struct *ibm) 767static void video_exit(void)
560{ 768{
561 acpi_evalf(vid_handle, NULL, "_DOS", "vd", ibm->state.video.autoswitch); 769 acpi_evalf(vid_handle, NULL, "_DOS", "vd", video_orig_autosw);
562} 770}
563 771
564static int light_init(struct ibm_struct *ibm) 772static int light_supported;
773static int light_status_supported;
774
775static int light_init(void)
565{ 776{
566 /* kblt not supported on G40, R32, X20 */ 777 /* light not supported on 570, 600e/x, 770e, 770x, G4x, R30, R31 */
567 ibm->supported = acpi_evalf(ec_handle, NULL, "KBLT", "qv"); 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");
568 785
569 return 0; 786 return 0;
570} 787}
571 788
572static int light_read(struct ibm_struct *ibm, char *p) 789static int light_read(char *p)
573{ 790{
574 int len = 0; 791 int len = 0;
575 int status = 0; 792 int status = 0;
576 793
577 if (ibm->supported) { 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 {
578 if (!acpi_evalf(ec_handle, &status, "KBLT", "d")) 800 if (!acpi_evalf(ec_handle, &status, "KBLT", "d"))
579 return -EIO; 801 return -EIO;
580 len += sprintf(p + len, "status:\t\t%s\n", onoff(status, 0)); 802 len += sprintf(p + len, "status:\t\t%s\n", onoff(status, 0));
581 } else 803 len += sprintf(p + len, "commands:\ton, off\n");
582 len += sprintf(p + len, "status:\t\tunknown\n"); 804 }
583
584 len += sprintf(p + len, "commands:\ton, off\n");
585 805
586 return len; 806 return len;
587} 807}
588 808
589static int light_write(struct ibm_struct *ibm, char *buf) 809static int light_write(char *buf)
590{ 810{
591 int cmos_cmd, lght_cmd; 811 int cmos_cmd, lght_cmd;
592 char *cmd; 812 char *cmd;
593 int success; 813 int success;
594 814
815 if (!light_supported)
816 return -ENODEV;
817
595 while ((cmd = next_cmd(&buf))) { 818 while ((cmd = next_cmd(&buf))) {
596 if (strlencmp(cmd, "on") == 0) { 819 if (strlencmp(cmd, "on") == 0) {
597 cmos_cmd = 0x0c; 820 cmos_cmd = 0x0c;
@@ -624,7 +847,7 @@ static int _sta(acpi_handle handle)
624 847
625#define dock_docked() (_sta(dock_handle) & 1) 848#define dock_docked() (_sta(dock_handle) & 1)
626 849
627static int dock_read(struct ibm_struct *ibm, char *p) 850static int dock_read(char *p)
628{ 851{
629 int len = 0; 852 int len = 0;
630 int docked = dock_docked(); 853 int docked = dock_docked();
@@ -641,18 +864,17 @@ static int dock_read(struct ibm_struct *ibm, char *p)
641 return len; 864 return len;
642} 865}
643 866
644static int dock_write(struct ibm_struct *ibm, char *buf) 867static int dock_write(char *buf)
645{ 868{
646 char *cmd; 869 char *cmd;
647 870
648 if (!dock_docked()) 871 if (!dock_docked())
649 return -EINVAL; 872 return -ENODEV;
650 873
651 while ((cmd = next_cmd(&buf))) { 874 while ((cmd = next_cmd(&buf))) {
652 if (strlencmp(cmd, "undock") == 0) { 875 if (strlencmp(cmd, "undock") == 0) {
653 if (!acpi_evalf(dock_handle, NULL, "_DCK", "vd", 0)) 876 if (!acpi_evalf(dock_handle, NULL, "_DCK", "vd", 0) ||
654 return -EIO; 877 !acpi_evalf(dock_handle, NULL, "_EJ0", "vd", 1))
655 if (!acpi_evalf(dock_handle, NULL, "_EJ0", "vd", 1))
656 return -EIO; 878 return -EIO;
657 } else if (strlencmp(cmd, "dock") == 0) { 879 } else if (strlencmp(cmd, "dock") == 0) {
658 if (!acpi_evalf(dock_handle, NULL, "_DCK", "vd", 1)) 880 if (!acpi_evalf(dock_handle, NULL, "_DCK", "vd", 1))
@@ -667,8 +889,13 @@ static int dock_write(struct ibm_struct *ibm, char *buf)
667static void dock_notify(struct ibm_struct *ibm, u32 event) 889static void dock_notify(struct ibm_struct *ibm, u32 event)
668{ 890{
669 int docked = dock_docked(); 891 int docked = dock_docked();
892 int pci = ibm->hid && strstr(ibm->hid, IBM_PCI_HID);
670 893
671 if (event == 3 && docked) 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)
672 acpi_bus_generate_event(ibm->device, event, 1); /* button */ 899 acpi_bus_generate_event(ibm->device, event, 1); /* button */
673 else if (event == 3 && !docked) 900 else if (event == 3 && !docked)
674 acpi_bus_generate_event(ibm->device, event, 2); /* undock */ 901 acpi_bus_generate_event(ibm->device, event, 2); /* undock */
@@ -681,42 +908,69 @@ static void dock_notify(struct ibm_struct *ibm, u32 event)
681 } 908 }
682} 909}
683 910
684#define bay_occupied() (_sta(bay_handle) & 1) 911static int bay_status_supported;
912static int bay_status2_supported;
913static int bay_eject_supported;
914static int bay_eject2_supported;
685 915
686static int bay_init(struct ibm_struct *ibm) 916static int bay_init(void)
687{ 917{
688 /* bay not supported on A21e, A22p, A31, A31p, G40, R32, R40e */ 918 bay_status_supported = bay_handle &&
689 ibm->supported = bay_handle && bayej_handle &&
690 acpi_evalf(bay_handle, NULL, "_STA", "qv"); 919 acpi_evalf(bay_handle, NULL, "_STA", "qv");
920 bay_status2_supported = bay2_handle &&
921 acpi_evalf(bay2_handle, NULL, "_STA", "qv");
922
923 bay_eject_supported = bay_handle && bay_ej_handle &&
924 (strlencmp(bay_ej_path, "_EJ0") == 0 || experimental);
925 bay_eject2_supported = bay2_handle && bay2_ej_handle &&
926 (strlencmp(bay2_ej_path, "_EJ0") == 0 || experimental);
691 927
692 return 0; 928 return 0;
693} 929}
694 930
695static int bay_read(struct ibm_struct *ibm, char *p) 931#define bay_occupied(b) (_sta(b##_handle) & 1)
932
933static int bay_read(char *p)
696{ 934{
697 int len = 0; 935 int len = 0;
698 int occupied = bay_occupied(); 936 int occupied = bay_occupied(bay);
699 937 int occupied2 = bay_occupied(bay2);
700 if (!ibm->supported) 938 int eject, eject2;
701 len += sprintf(p + len, "status:\t\tnot supported\n"); 939
702 else if (!occupied) 940 len += sprintf(p + len, "status:\t\t%s\n", bay_status_supported ?
703 len += sprintf(p + len, "status:\t\tunoccupied\n"); 941 (occupied ? "occupied" : "unoccupied") :
704 else { 942 "not supported");
705 len += sprintf(p + len, "status:\t\toccupied\n"); 943 if (bay_status2_supported)
944 len += sprintf(p + len, "status2:\t%s\n", occupied2 ?
945 "occupied" : "unoccupied");
946
947 eject = bay_eject_supported && occupied;
948 eject2 = bay_eject2_supported && occupied2;
949
950 if (eject && eject2)
951 len += sprintf(p + len, "commands:\teject, eject2\n");
952 else if (eject)
706 len += sprintf(p + len, "commands:\teject\n"); 953 len += sprintf(p + len, "commands:\teject\n");
707 } 954 else if (eject2)
955 len += sprintf(p + len, "commands:\teject2\n");
708 956
709 return len; 957 return len;
710} 958}
711 959
712static int bay_write(struct ibm_struct *ibm, char *buf) 960static int bay_write(char *buf)
713{ 961{
714 char *cmd; 962 char *cmd;
715 963
964 if (!bay_eject_supported && !bay_eject2_supported)
965 return -ENODEV;
966
716 while ((cmd = next_cmd(&buf))) { 967 while ((cmd = next_cmd(&buf))) {
717 if (strlencmp(cmd, "eject") == 0) { 968 if (bay_eject_supported && strlencmp(cmd, "eject") == 0) {
718 if (!ibm->supported || 969 if (!acpi_evalf(bay_ej_handle, NULL, NULL, "vd", 1))
719 !acpi_evalf(bay_handle, NULL, "_EJ0", "vd", 1)) 970 return -EIO;
971 } else if (bay_eject2_supported &&
972 strlencmp(cmd, "eject2") == 0) {
973 if (!acpi_evalf(bay2_ej_handle, NULL, NULL, "vd", 1))
720 return -EIO; 974 return -EIO;
721 } else 975 } else
722 return -EINVAL; 976 return -EINVAL;
@@ -730,22 +984,31 @@ static void bay_notify(struct ibm_struct *ibm, u32 event)
730 acpi_bus_generate_event(ibm->device, event, 0); 984 acpi_bus_generate_event(ibm->device, event, 0);
731} 985}
732 986
733static int cmos_read(struct ibm_struct *ibm, char *p) 987static int cmos_read(char *p)
734{ 988{
735 int len = 0; 989 int len = 0;
736 990
737 /* cmos not supported on A21e, A22p, T20, T21, X20 */ 991 /* cmos not supported on 570, 600e/x, 770e, 770x, A21e, A2xm/p,
992 R30, R31, T20-22, X20-21 */
738 if (!cmos_handle) 993 if (!cmos_handle)
739 len += sprintf(p + len, "status:\t\tnot supported\n"); 994 len += sprintf(p + len, "status:\t\tnot supported\n");
740 else { 995 else {
741 len += sprintf(p + len, "status:\t\tsupported\n"); 996 len += sprintf(p + len, "status:\t\tsupported\n");
742 len += sprintf(p + len, "commands:\t<int>\n"); 997 len += sprintf(p + len, "commands:\t<cmd> (<cmd> is 0-21)\n");
743 } 998 }
744 999
745 return len; 1000 return len;
746} 1001}
747 1002
748static int cmos_write(struct ibm_struct *ibm, char *buf) 1003static int cmos_eval(int cmos_cmd)
1004{
1005 if (cmos_handle)
1006 return acpi_evalf(cmos_handle, NULL, NULL, "vd", cmos_cmd);
1007 else
1008 return 1;
1009}
1010
1011static int cmos_write(char *buf)
749{ 1012{
750 char *cmd; 1013 char *cmd;
751 int cmos_cmd; 1014 int cmos_cmd;
@@ -754,64 +1017,296 @@ static int cmos_write(struct ibm_struct *ibm, char *buf)
754 return -EINVAL; 1017 return -EINVAL;
755 1018
756 while ((cmd = next_cmd(&buf))) { 1019 while ((cmd = next_cmd(&buf))) {
757 if (sscanf(cmd, "%u", &cmos_cmd) == 1) { 1020 if (sscanf(cmd, "%u", &cmos_cmd) == 1 &&
1021 cmos_cmd >= 0 && cmos_cmd <= 21) {
758 /* cmos_cmd set */ 1022 /* cmos_cmd set */
759 } else 1023 } else
760 return -EINVAL; 1024 return -EINVAL;
761 1025
762 if (!acpi_evalf(cmos_handle, NULL, NULL, "vd", cmos_cmd)) 1026 if (!cmos_eval(cmos_cmd))
763 return -EIO; 1027 return -EIO;
764 } 1028 }
765 1029
766 return 0; 1030 return 0;
767} 1031}
768 1032
769static int led_read(struct ibm_struct *ibm, char *p) 1033static int led_supported;
1034
1035#define LED_570 1
1036#define LED_OLD 2
1037#define LED_NEW 3
1038
1039static int led_init(void)
1040{
1041 if (!led_handle)
1042 /* led not supported on R30, R31 */
1043 led_supported = 0;
1044 else if (strlencmp(led_path, "SLED") == 0)
1045 /* 570 */
1046 led_supported = LED_570;
1047 else if (strlencmp(led_path, "SYSL") == 0)
1048 /* 600e/x, 770e, 770x, A21e, A2xm/p, T20-22, X20-21 */
1049 led_supported = LED_OLD;
1050 else
1051 /* all others */
1052 led_supported = LED_NEW;
1053
1054 return 0;
1055}
1056
1057#define led_status(s) ((s) == 0 ? "off" : ((s) == 1 ? "on" : "blinking"))
1058
1059static int led_read(char *p)
770{ 1060{
771 int len = 0; 1061 int len = 0;
772 1062
1063 if (!led_supported) {
1064 len += sprintf(p + len, "status:\t\tnot supported\n");
1065 return len;
1066 }
1067 len += sprintf(p + len, "status:\t\tsupported\n");
1068
1069 if (led_supported == LED_570) {
1070 /* 570 */
1071 int i, status;
1072 for (i = 0; i < 8; i++) {
1073 if (!acpi_evalf(ec_handle,
1074 &status, "GLED", "dd", 1 << i))
1075 return -EIO;
1076 len += sprintf(p + len, "%d:\t\t%s\n",
1077 i, led_status(status));
1078 }
1079 }
1080
773 len += sprintf(p + len, "commands:\t" 1081 len += sprintf(p + len, "commands:\t"
774 "<int> on, <int> off, <int> blink\n"); 1082 "<led> on, <led> off, <led> blink (<led> is 0-7)\n");
775 1083
776 return len; 1084 return len;
777} 1085}
778 1086
779static int led_write(struct ibm_struct *ibm, char *buf) 1087/* off, on, blink */
1088static const int led_sled_arg1[] = { 0, 1, 3 };
1089static const int led_exp_hlbl[] = { 0, 0, 1 }; /* led# * */
1090static const int led_exp_hlcl[] = { 0, 1, 1 }; /* led# * */
1091static const int led_led_arg1[] = { 0, 0x80, 0xc0 };
1092
1093#define EC_HLCL 0x0c
1094#define EC_HLBL 0x0d
1095#define EC_HLMS 0x0e
1096
1097static int led_write(char *buf)
780{ 1098{
781 char *cmd; 1099 char *cmd;
782 unsigned int led; 1100 int led, ind, ret;
783 int led_cmd, sysl_cmd, bled_a, bled_b; 1101
1102 if (!led_supported)
1103 return -ENODEV;
784 1104
785 while ((cmd = next_cmd(&buf))) { 1105 while ((cmd = next_cmd(&buf))) {
786 if (sscanf(cmd, "%u", &led) != 1) 1106 if (sscanf(cmd, "%d", &led) != 1 || led < 0 || led > 7)
787 return -EINVAL; 1107 return -EINVAL;
788 1108
789 if (strstr(cmd, "blink")) { 1109 if (strstr(cmd, "off")) {
790 led_cmd = 0xc0; 1110 ind = 0;
791 sysl_cmd = 2;
792 bled_a = 2;
793 bled_b = 1;
794 } else if (strstr(cmd, "on")) { 1111 } else if (strstr(cmd, "on")) {
795 led_cmd = 0x80; 1112 ind = 1;
796 sysl_cmd = 1; 1113 } else if (strstr(cmd, "blink")) {
797 bled_a = 2; 1114 ind = 2;
798 bled_b = 0;
799 } else if (strstr(cmd, "off")) {
800 led_cmd = sysl_cmd = bled_a = bled_b = 0;
801 } else 1115 } else
802 return -EINVAL; 1116 return -EINVAL;
803 1117
804 if (led_handle) { 1118 if (led_supported == LED_570) {
1119 /* 570 */
1120 led = 1 << led;
805 if (!acpi_evalf(led_handle, NULL, NULL, "vdd", 1121 if (!acpi_evalf(led_handle, NULL, NULL, "vdd",
806 led, led_cmd)) 1122 led, led_sled_arg1[ind]))
807 return -EIO; 1123 return -EIO;
808 } else if (led < 2) { 1124 } else if (led_supported == LED_OLD) {
809 if (acpi_evalf(sysl_handle, NULL, NULL, "vdd", 1125 /* 600e/x, 770e, 770x, A21e, A2xm/p, T20-22, X20 */
810 led, sysl_cmd)) 1126 led = 1 << led;
1127 ret = ec_write(EC_HLMS, led);
1128 if (ret >= 0)
1129 ret =
1130 ec_write(EC_HLBL, led * led_exp_hlbl[ind]);
1131 if (ret >= 0)
1132 ret =
1133 ec_write(EC_HLCL, led * led_exp_hlcl[ind]);
1134 if (ret < 0)
1135 return ret;
1136 } else {
1137 /* all others */
1138 if (!acpi_evalf(led_handle, NULL, NULL, "vdd",
1139 led, led_led_arg1[ind]))
811 return -EIO; 1140 return -EIO;
812 } else if (led == 2 && bled_handle) { 1141 }
813 if (acpi_evalf(bled_handle, NULL, NULL, "vdd", 1142 }
814 bled_a, bled_b)) 1143
1144 return 0;
1145}
1146
1147static int beep_read(char *p)
1148{
1149 int len = 0;
1150
1151 if (!beep_handle)
1152 len += sprintf(p + len, "status:\t\tnot supported\n");
1153 else {
1154 len += sprintf(p + len, "status:\t\tsupported\n");
1155 len += sprintf(p + len, "commands:\t<cmd> (<cmd> is 0-17)\n");
1156 }
1157
1158 return len;
1159}
1160
1161static int beep_write(char *buf)
1162{
1163 char *cmd;
1164 int beep_cmd;
1165
1166 if (!beep_handle)
1167 return -ENODEV;
1168
1169 while ((cmd = next_cmd(&buf))) {
1170 if (sscanf(cmd, "%u", &beep_cmd) == 1 &&
1171 beep_cmd >= 0 && beep_cmd <= 17) {
1172 /* beep_cmd set */
1173 } else
1174 return -EINVAL;
1175 if (!acpi_evalf(beep_handle, NULL, NULL, "vdd", beep_cmd, 0))
1176 return -EIO;
1177 }
1178
1179 return 0;
1180}
1181
1182static int acpi_ec_read(int i, u8 * p)
1183{
1184 int v;
1185
1186 if (ecrd_handle) {
1187 if (!acpi_evalf(ecrd_handle, &v, NULL, "dd", i))
1188 return 0;
1189 *p = v;
1190 } else {
1191 if (ec_read(i, p) < 0)
1192 return 0;
1193 }
1194
1195 return 1;
1196}
1197
1198static int acpi_ec_write(int i, u8 v)
1199{
1200 if (ecwr_handle) {
1201 if (!acpi_evalf(ecwr_handle, NULL, NULL, "vdd", i, v))
1202 return 0;
1203 } else {
1204 if (ec_write(i, v) < 0)
1205 return 0;
1206 }
1207
1208 return 1;
1209}
1210
1211static int thermal_tmp_supported;
1212static int thermal_updt_supported;
1213
1214static int thermal_init(void)
1215{
1216 /* temperatures not supported on 570, G4x, R30, R31, R32 */
1217 thermal_tmp_supported = acpi_evalf(ec_handle, NULL, "TMP7", "qv");
1218
1219 /* 600e/x, 770e, 770x */
1220 thermal_updt_supported = acpi_evalf(ec_handle, NULL, "UPDT", "qv");
1221
1222 return 0;
1223}
1224
1225static int thermal_read(char *p)
1226{
1227 int len = 0;
1228
1229 if (!thermal_tmp_supported)
1230 len += sprintf(p + len, "temperatures:\tnot supported\n");
1231 else {
1232 int i, t;
1233 char tmpi[] = "TMPi";
1234 s8 tmp[8];
1235
1236 if (thermal_updt_supported)
1237 if (!acpi_evalf(ec_handle, NULL, "UPDT", "v"))
1238 return -EIO;
1239
1240 for (i = 0; i < 8; i++) {
1241 tmpi[3] = '0' + i;
1242 if (!acpi_evalf(ec_handle, &t, tmpi, "d"))
1243 return -EIO;
1244 if (thermal_updt_supported)
1245 tmp[i] = (t - 2732 + 5) / 10;
1246 else
1247 tmp[i] = t;
1248 }
1249
1250 len += sprintf(p + len,
1251 "temperatures:\t%d %d %d %d %d %d %d %d\n",
1252 tmp[0], tmp[1], tmp[2], tmp[3],
1253 tmp[4], tmp[5], tmp[6], tmp[7]);
1254 }
1255
1256 return len;
1257}
1258
1259static u8 ecdump_regs[256];
1260
1261static int ecdump_read(char *p)
1262{
1263 int len = 0;
1264 int i, j;
1265 u8 v;
1266
1267 len += sprintf(p + len, "EC "
1268 " +00 +01 +02 +03 +04 +05 +06 +07"
1269 " +08 +09 +0a +0b +0c +0d +0e +0f\n");
1270 for (i = 0; i < 256; i += 16) {
1271 len += sprintf(p + len, "EC 0x%02x:", i);
1272 for (j = 0; j < 16; j++) {
1273 if (!acpi_ec_read(i + j, &v))
1274 break;
1275 if (v != ecdump_regs[i + j])
1276 len += sprintf(p + len, " *%02x", v);
1277 else
1278 len += sprintf(p + len, " %02x", v);
1279 ecdump_regs[i + j] = v;
1280 }
1281 len += sprintf(p + len, "\n");
1282 if (j != 16)
1283 break;
1284 }
1285
1286 /* These are way too dangerous to advertise openly... */
1287#if 0
1288 len += sprintf(p + len, "commands:\t0x<offset> 0x<value>"
1289 " (<offset> is 00-ff, <value> is 00-ff)\n");
1290 len += sprintf(p + len, "commands:\t0x<offset> <value> "
1291 " (<offset> is 00-ff, <value> is 0-255)\n");
1292#endif
1293 return len;
1294}
1295
1296static int ecdump_write(char *buf)
1297{
1298 char *cmd;
1299 int i, v;
1300
1301 while ((cmd = next_cmd(&buf))) {
1302 if (sscanf(cmd, "0x%x 0x%x", &i, &v) == 2) {
1303 /* i and v set */
1304 } else if (sscanf(cmd, "0x%x %u", &i, &v) == 2) {
1305 /* i and v set */
1306 } else
1307 return -EINVAL;
1308 if (i >= 0 && i < 256 && v >= 0 && v < 256) {
1309 if (!acpi_ec_write(i, v))
815 return -EIO; 1310 return -EIO;
816 } else 1311 } else
817 return -EINVAL; 1312 return -EINVAL;
@@ -820,28 +1315,224 @@ static int led_write(struct ibm_struct *ibm, char *buf)
820 return 0; 1315 return 0;
821} 1316}
822 1317
823static int beep_read(struct ibm_struct *ibm, char *p) 1318static int brightness_offset = 0x31;
1319
1320static int brightness_read(char *p)
824{ 1321{
825 int len = 0; 1322 int len = 0;
1323 u8 level;
826 1324
827 len += sprintf(p + len, "commands:\t<int>\n"); 1325 if (!acpi_ec_read(brightness_offset, &level)) {
1326 len += sprintf(p + len, "level:\t\tunreadable\n");
1327 } else {
1328 len += sprintf(p + len, "level:\t\t%d\n", level & 0x7);
1329 len += sprintf(p + len, "commands:\tup, down\n");
1330 len += sprintf(p + len, "commands:\tlevel <level>"
1331 " (<level> is 0-7)\n");
1332 }
828 1333
829 return len; 1334 return len;
830} 1335}
831 1336
832static int beep_write(struct ibm_struct *ibm, char *buf) 1337#define BRIGHTNESS_UP 4
1338#define BRIGHTNESS_DOWN 5
1339
1340static int brightness_write(char *buf)
833{ 1341{
1342 int cmos_cmd, inc, i;
1343 u8 level;
1344 int new_level;
834 char *cmd; 1345 char *cmd;
835 int beep_cmd;
836 1346
837 while ((cmd = next_cmd(&buf))) { 1347 while ((cmd = next_cmd(&buf))) {
838 if (sscanf(cmd, "%u", &beep_cmd) == 1) { 1348 if (!acpi_ec_read(brightness_offset, &level))
839 /* beep_cmd set */ 1349 return -EIO;
1350 level &= 7;
1351
1352 if (strlencmp(cmd, "up") == 0) {
1353 new_level = level == 7 ? 7 : level + 1;
1354 } else if (strlencmp(cmd, "down") == 0) {
1355 new_level = level == 0 ? 0 : level - 1;
1356 } else if (sscanf(cmd, "level %d", &new_level) == 1 &&
1357 new_level >= 0 && new_level <= 7) {
1358 /* new_level set */
1359 } else
1360 return -EINVAL;
1361
1362 cmos_cmd = new_level > level ? BRIGHTNESS_UP : BRIGHTNESS_DOWN;
1363 inc = new_level > level ? 1 : -1;
1364 for (i = level; i != new_level; i += inc) {
1365 if (!cmos_eval(cmos_cmd))
1366 return -EIO;
1367 if (!acpi_ec_write(brightness_offset, i + inc))
1368 return -EIO;
1369 }
1370 }
1371
1372 return 0;
1373}
1374
1375static int volume_offset = 0x30;
1376
1377static int volume_read(char *p)
1378{
1379 int len = 0;
1380 u8 level;
1381
1382 if (!acpi_ec_read(volume_offset, &level)) {
1383 len += sprintf(p + len, "level:\t\tunreadable\n");
1384 } else {
1385 len += sprintf(p + len, "level:\t\t%d\n", level & 0xf);
1386 len += sprintf(p + len, "mute:\t\t%s\n", onoff(level, 6));
1387 len += sprintf(p + len, "commands:\tup, down, mute\n");
1388 len += sprintf(p + len, "commands:\tlevel <level>"
1389 " (<level> is 0-15)\n");
1390 }
1391
1392 return len;
1393}
1394
1395#define VOLUME_DOWN 0
1396#define VOLUME_UP 1
1397#define VOLUME_MUTE 2
1398
1399static int volume_write(char *buf)
1400{
1401 int cmos_cmd, inc, i;
1402 u8 level, mute;
1403 int new_level, new_mute;
1404 char *cmd;
1405
1406 while ((cmd = next_cmd(&buf))) {
1407 if (!acpi_ec_read(volume_offset, &level))
1408 return -EIO;
1409 new_mute = mute = level & 0x40;
1410 new_level = level = level & 0xf;
1411
1412 if (strlencmp(cmd, "up") == 0) {
1413 if (mute)
1414 new_mute = 0;
1415 else
1416 new_level = level == 15 ? 15 : level + 1;
1417 } else if (strlencmp(cmd, "down") == 0) {
1418 if (mute)
1419 new_mute = 0;
1420 else
1421 new_level = level == 0 ? 0 : level - 1;
1422 } else if (sscanf(cmd, "level %d", &new_level) == 1 &&
1423 new_level >= 0 && new_level <= 15) {
1424 /* new_level set */
1425 } else if (strlencmp(cmd, "mute") == 0) {
1426 new_mute = 0x40;
840 } else 1427 } else
841 return -EINVAL; 1428 return -EINVAL;
842 1429
843 if (!acpi_evalf(beep_handle, NULL, NULL, "vd", beep_cmd)) 1430 if (new_level != level) { /* mute doesn't change */
1431 cmos_cmd = new_level > level ? VOLUME_UP : VOLUME_DOWN;
1432 inc = new_level > level ? 1 : -1;
1433
1434 if (mute && (!cmos_eval(cmos_cmd) ||
1435 !acpi_ec_write(volume_offset, level)))
1436 return -EIO;
1437
1438 for (i = level; i != new_level; i += inc)
1439 if (!cmos_eval(cmos_cmd) ||
1440 !acpi_ec_write(volume_offset, i + inc))
1441 return -EIO;
1442
1443 if (mute && (!cmos_eval(VOLUME_MUTE) ||
1444 !acpi_ec_write(volume_offset,
1445 new_level + mute)))
1446 return -EIO;
1447 }
1448
1449 if (new_mute != mute) { /* level doesn't change */
1450 cmos_cmd = new_mute ? VOLUME_MUTE : VOLUME_UP;
1451
1452 if (!cmos_eval(cmos_cmd) ||
1453 !acpi_ec_write(volume_offset, level + new_mute))
1454 return -EIO;
1455 }
1456 }
1457
1458 return 0;
1459}
1460
1461static int fan_status_offset = 0x2f;
1462static int fan_rpm_offset = 0x84;
1463
1464static int fan_read(char *p)
1465{
1466 int len = 0;
1467 int s;
1468 u8 lo, hi, status;
1469
1470 if (gfan_handle) {
1471 /* 570, 600e/x, 770e, 770x */
1472 if (!acpi_evalf(gfan_handle, &s, NULL, "d"))
844 return -EIO; 1473 return -EIO;
1474
1475 len += sprintf(p + len, "level:\t\t%d\n", s);
1476 } else {
1477 /* all except 570, 600e/x, 770e, 770x */
1478 if (!acpi_ec_read(fan_status_offset, &status))
1479 len += sprintf(p + len, "status:\t\tunreadable\n");
1480 else
1481 len += sprintf(p + len, "status:\t\t%s\n",
1482 enabled(status, 7));
1483
1484 if (!acpi_ec_read(fan_rpm_offset, &lo) ||
1485 !acpi_ec_read(fan_rpm_offset + 1, &hi))
1486 len += sprintf(p + len, "speed:\t\tunreadable\n");
1487 else
1488 len += sprintf(p + len, "speed:\t\t%d\n",
1489 (hi << 8) + lo);
1490 }
1491
1492 if (sfan_handle)
1493 /* 570, 770x-JL */
1494 len += sprintf(p + len, "commands:\tlevel <level>"
1495 " (<level> is 0-7)\n");
1496 if (!gfan_handle)
1497 /* all except 570, 600e/x, 770e, 770x */
1498 len += sprintf(p + len, "commands:\tenable, disable\n");
1499 if (fans_handle)
1500 /* X31, X40 */
1501 len += sprintf(p + len, "commands:\tspeed <speed>"
1502 " (<speed> is 0-65535)\n");
1503
1504 return len;
1505}
1506
1507static int fan_write(char *buf)
1508{
1509 char *cmd;
1510 int level, speed;
1511
1512 while ((cmd = next_cmd(&buf))) {
1513 if (sfan_handle &&
1514 sscanf(cmd, "level %d", &level) == 1 &&
1515 level >= 0 && level <= 7) {
1516 /* 570, 770x-JL */
1517 if (!acpi_evalf(sfan_handle, NULL, NULL, "vd", level))
1518 return -EIO;
1519 } else if (!gfan_handle && strlencmp(cmd, "enable") == 0) {
1520 /* all except 570, 600e/x, 770e, 770x */
1521 if (!acpi_ec_write(fan_status_offset, 0x80))
1522 return -EIO;
1523 } else if (!gfan_handle && strlencmp(cmd, "disable") == 0) {
1524 /* all except 570, 600e/x, 770e, 770x */
1525 if (!acpi_ec_write(fan_status_offset, 0x00))
1526 return -EIO;
1527 } else if (fans_handle &&
1528 sscanf(cmd, "speed %d", &speed) == 1 &&
1529 speed >= 0 && speed <= 65535) {
1530 /* X31, X40 */
1531 if (!acpi_evalf(fans_handle, NULL, NULL, "vddd",
1532 speed, speed, speed))
1533 return -EIO;
1534 } else
1535 return -EINVAL;
845 } 1536 }
846 1537
847 return 0; 1538 return 0;
@@ -855,7 +1546,7 @@ static struct ibm_struct ibms[] = {
855 }, 1546 },
856 { 1547 {
857 .name = "hotkey", 1548 .name = "hotkey",
858 .hid = "IBM0068", 1549 .hid = IBM_HKEY_HID,
859 .init = hotkey_init, 1550 .init = hotkey_init,
860 .read = hotkey_read, 1551 .read = hotkey_read,
861 .write = hotkey_write, 1552 .write = hotkey_write,
@@ -892,6 +1583,13 @@ static struct ibm_struct ibms[] = {
892 .type = ACPI_SYSTEM_NOTIFY, 1583 .type = ACPI_SYSTEM_NOTIFY,
893 }, 1584 },
894 { 1585 {
1586 .name = "dock",
1587 .hid = IBM_PCI_HID,
1588 .notify = dock_notify,
1589 .handle = &pci_handle,
1590 .type = ACPI_SYSTEM_NOTIFY,
1591 },
1592 {
895 .name = "bay", 1593 .name = "bay",
896 .init = bay_init, 1594 .init = bay_init,
897 .read = bay_read, 1595 .read = bay_read,
@@ -904,24 +1602,49 @@ static struct ibm_struct ibms[] = {
904 .name = "cmos", 1602 .name = "cmos",
905 .read = cmos_read, 1603 .read = cmos_read,
906 .write = cmos_write, 1604 .write = cmos_write,
907 .experimental = 1,
908 }, 1605 },
909 { 1606 {
910 .name = "led", 1607 .name = "led",
1608 .init = led_init,
911 .read = led_read, 1609 .read = led_read,
912 .write = led_write, 1610 .write = led_write,
913 .experimental = 1,
914 }, 1611 },
915 { 1612 {
916 .name = "beep", 1613 .name = "beep",
917 .read = beep_read, 1614 .read = beep_read,
918 .write = beep_write, 1615 .write = beep_write,
1616 },
1617 {
1618 .name = "thermal",
1619 .init = thermal_init,
1620 .read = thermal_read,
1621 },
1622 {
1623 .name = "ecdump",
1624 .read = ecdump_read,
1625 .write = ecdump_write,
1626 .experimental = 1,
1627 },
1628 {
1629 .name = "brightness",
1630 .read = brightness_read,
1631 .write = brightness_write,
1632 .experimental = 1,
1633 },
1634 {
1635 .name = "volume",
1636 .read = volume_read,
1637 .write = volume_write,
1638 .experimental = 1,
1639 },
1640 {
1641 .name = "fan",
1642 .read = fan_read,
1643 .write = fan_write,
919 .experimental = 1, 1644 .experimental = 1,
920 }, 1645 },
921}; 1646};
922 1647
923#define NUM_IBMS (sizeof(ibms)/sizeof(ibms[0]))
924
925static int dispatch_read(char *page, char **start, off_t off, int count, 1648static int dispatch_read(char *page, char **start, off_t off, int count,
926 int *eof, void *data) 1649 int *eof, void *data)
927{ 1650{
@@ -931,7 +1654,7 @@ static int dispatch_read(char *page, char **start, off_t off, int count,
931 if (!ibm || !ibm->read) 1654 if (!ibm || !ibm->read)
932 return -EINVAL; 1655 return -EINVAL;
933 1656
934 len = ibm->read(ibm, page); 1657 len = ibm->read(page);
935 if (len < 0) 1658 if (len < 0)
936 return len; 1659 return len;
937 1660
@@ -968,7 +1691,7 @@ static int dispatch_write(struct file *file, const char __user * userbuf,
968 1691
969 kernbuf[count] = 0; 1692 kernbuf[count] = 0;
970 strcat(kernbuf, ","); 1693 strcat(kernbuf, ",");
971 ret = ibm->write(ibm, kernbuf); 1694 ret = ibm->write(kernbuf);
972 if (ret == 0) 1695 if (ret == 0)
973 ret = count; 1696 ret = count;
974 1697
@@ -987,7 +1710,7 @@ static void dispatch_notify(acpi_handle handle, u32 event, void *data)
987 ibm->notify(ibm, event); 1710 ibm->notify(ibm, event);
988} 1711}
989 1712
990static int setup_notify(struct ibm_struct *ibm) 1713static int __init setup_notify(struct ibm_struct *ibm)
991{ 1714{
992 acpi_status status; 1715 acpi_status status;
993 int ret; 1716 int ret;
@@ -1012,17 +1735,15 @@ static int setup_notify(struct ibm_struct *ibm)
1012 return -ENODEV; 1735 return -ENODEV;
1013 } 1736 }
1014 1737
1015 ibm->notify_installed = 1;
1016
1017 return 0; 1738 return 0;
1018} 1739}
1019 1740
1020static int ibmacpi_device_add(struct acpi_device *device) 1741static int __init ibm_device_add(struct acpi_device *device)
1021{ 1742{
1022 return 0; 1743 return 0;
1023} 1744}
1024 1745
1025static int register_driver(struct ibm_struct *ibm) 1746static int __init register_driver(struct ibm_struct *ibm)
1026{ 1747{
1027 int ret; 1748 int ret;
1028 1749
@@ -1035,7 +1756,7 @@ static int register_driver(struct ibm_struct *ibm)
1035 memset(ibm->driver, 0, sizeof(struct acpi_driver)); 1756 memset(ibm->driver, 0, sizeof(struct acpi_driver));
1036 sprintf(ibm->driver->name, "%s/%s", IBM_NAME, ibm->name); 1757 sprintf(ibm->driver->name, "%s/%s", IBM_NAME, ibm->name);
1037 ibm->driver->ids = ibm->hid; 1758 ibm->driver->ids = ibm->hid;
1038 ibm->driver->ops.add = &ibmacpi_device_add; 1759 ibm->driver->ops.add = &ibm_device_add;
1039 1760
1040 ret = acpi_bus_register_driver(ibm->driver); 1761 ret = acpi_bus_register_driver(ibm->driver);
1041 if (ret < 0) { 1762 if (ret < 0) {
@@ -1047,7 +1768,7 @@ static int register_driver(struct ibm_struct *ibm)
1047 return ret; 1768 return ret;
1048} 1769}
1049 1770
1050static int ibm_init(struct ibm_struct *ibm) 1771static int __init ibm_init(struct ibm_struct *ibm)
1051{ 1772{
1052 int ret; 1773 int ret;
1053 struct proc_dir_entry *entry; 1774 struct proc_dir_entry *entry;
@@ -1063,31 +1784,34 @@ static int ibm_init(struct ibm_struct *ibm)
1063 } 1784 }
1064 1785
1065 if (ibm->init) { 1786 if (ibm->init) {
1066 ret = ibm->init(ibm); 1787 ret = ibm->init();
1067 if (ret != 0) 1788 if (ret != 0)
1068 return ret; 1789 return ret;
1069 ibm->init_called = 1; 1790 ibm->init_called = 1;
1070 } 1791 }
1071 1792
1072 entry = create_proc_entry(ibm->name, S_IFREG | S_IRUGO | S_IWUSR, 1793 if (ibm->read) {
1073 proc_dir); 1794 entry = create_proc_entry(ibm->name,
1074 if (!entry) { 1795 S_IFREG | S_IRUGO | S_IWUSR,
1075 printk(IBM_ERR "unable to create proc entry %s\n", ibm->name); 1796 proc_dir);
1076 return -ENODEV; 1797 if (!entry) {
1077 } 1798 printk(IBM_ERR "unable to create proc entry %s\n",
1078 entry->owner = THIS_MODULE; 1799 ibm->name);
1079 ibm->proc_created = 1; 1800 return -ENODEV;
1080 1801 }
1081 entry->data = ibm; 1802 entry->owner = THIS_MODULE;
1082 if (ibm->read) 1803 entry->data = ibm;
1083 entry->read_proc = &dispatch_read; 1804 entry->read_proc = &dispatch_read;
1084 if (ibm->write) 1805 if (ibm->write)
1085 entry->write_proc = &dispatch_write; 1806 entry->write_proc = &dispatch_write;
1807 ibm->proc_created = 1;
1808 }
1086 1809
1087 if (ibm->notify) { 1810 if (ibm->notify) {
1088 ret = setup_notify(ibm); 1811 ret = setup_notify(ibm);
1089 if (ret < 0) 1812 if (ret < 0)
1090 return ret; 1813 return ret;
1814 ibm->notify_installed = 1;
1091 } 1815 }
1092 1816
1093 return 0; 1817 return 0;
@@ -1103,7 +1827,7 @@ static void ibm_exit(struct ibm_struct *ibm)
1103 remove_proc_entry(ibm->name, proc_dir); 1827 remove_proc_entry(ibm->name, proc_dir);
1104 1828
1105 if (ibm->init_called && ibm->exit) 1829 if (ibm->init_called && ibm->exit)
1106 ibm->exit(ibm); 1830 ibm->exit();
1107 1831
1108 if (ibm->driver_registered) { 1832 if (ibm->driver_registered) {
1109 acpi_bus_unregister_driver(ibm->driver); 1833 acpi_bus_unregister_driver(ibm->driver);
@@ -1111,59 +1835,66 @@ static void ibm_exit(struct ibm_struct *ibm)
1111 } 1835 }
1112} 1836}
1113 1837
1114static int ibm_handle_init(char *name, 1838static void __init ibm_handle_init(char *name,
1115 acpi_handle * handle, acpi_handle parent, 1839 acpi_handle * handle, acpi_handle parent,
1116 char **paths, int num_paths, int required) 1840 char **paths, int num_paths, char **path)
1117{ 1841{
1118 int i; 1842 int i;
1119 acpi_status status; 1843 acpi_status status;
1120 1844
1121 for (i = 0; i < num_paths; i++) { 1845 for (i = 0; i < num_paths; i++) {
1122 status = acpi_get_handle(parent, paths[i], handle); 1846 status = acpi_get_handle(parent, paths[i], handle);
1123 if (ACPI_SUCCESS(status)) 1847 if (ACPI_SUCCESS(status)) {
1124 return 0; 1848 *path = paths[i];
1849 return;
1850 }
1125 } 1851 }
1126 1852
1127 *handle = NULL; 1853 *handle = NULL;
1128
1129 if (required) {
1130 printk(IBM_ERR "%s object not found\n", name);
1131 return -1;
1132 }
1133
1134 return 0;
1135} 1854}
1136 1855
1137#define IBM_HANDLE_INIT(object, required) \ 1856#define IBM_HANDLE_INIT(object) \
1138 ibm_handle_init(#object, &object##_handle, *object##_parent, \ 1857 ibm_handle_init(#object, &object##_handle, *object##_parent, \
1139 object##_paths, sizeof(object##_paths)/sizeof(char*), required) 1858 object##_paths, ARRAY_SIZE(object##_paths), &object##_path)
1140 1859
1141static int set_ibm_param(const char *val, struct kernel_param *kp) 1860static int set_ibm_param(const char *val, struct kernel_param *kp)
1142{ 1861{
1143 unsigned int i; 1862 unsigned int i;
1144 char arg_with_comma[32];
1145
1146 if (strlen(val) > 30)
1147 return -ENOSPC;
1148 1863
1149 strcpy(arg_with_comma, val); 1864 for (i = 0; i < ARRAY_SIZE(ibms); i++)
1150 strcat(arg_with_comma, ","); 1865 if (strcmp(ibms[i].name, kp->name) == 0 && ibms[i].write) {
1866 if (strlen(val) > sizeof(ibms[i].param) - 2)
1867 return -ENOSPC;
1868 strcpy(ibms[i].param, val);
1869 strcat(ibms[i].param, ",");
1870 return 0;
1871 }
1151 1872
1152 for (i = 0; i < NUM_IBMS; i++)
1153 if (strcmp(ibms[i].name, kp->name) == 0)
1154 return ibms[i].write(&ibms[i], arg_with_comma);
1155 BUG();
1156 return -EINVAL; 1873 return -EINVAL;
1157} 1874}
1158 1875
1159#define IBM_PARAM(feature) \ 1876#define IBM_PARAM(feature) \
1160 module_param_call(feature, set_ibm_param, NULL, NULL, 0) 1877 module_param_call(feature, set_ibm_param, NULL, NULL, 0)
1161 1878
1879IBM_PARAM(hotkey);
1880IBM_PARAM(bluetooth);
1881IBM_PARAM(video);
1882IBM_PARAM(light);
1883IBM_PARAM(dock);
1884IBM_PARAM(bay);
1885IBM_PARAM(cmos);
1886IBM_PARAM(led);
1887IBM_PARAM(beep);
1888IBM_PARAM(ecdump);
1889IBM_PARAM(brightness);
1890IBM_PARAM(volume);
1891IBM_PARAM(fan);
1892
1162static void acpi_ibm_exit(void) 1893static void acpi_ibm_exit(void)
1163{ 1894{
1164 int i; 1895 int i;
1165 1896
1166 for (i = NUM_IBMS - 1; i >= 0; i--) 1897 for (i = ARRAY_SIZE(ibms) - 1; i >= 0; i--)
1167 ibm_exit(&ibms[i]); 1898 ibm_exit(&ibms[i]);
1168 1899
1169 remove_proc_entry(IBM_DIR, acpi_root_dir); 1900 remove_proc_entry(IBM_DIR, acpi_root_dir);
@@ -1177,28 +1908,39 @@ static int __init acpi_ibm_init(void)
1177 return -ENODEV; 1908 return -ENODEV;
1178 1909
1179 if (!acpi_specific_hotkey_enabled) { 1910 if (!acpi_specific_hotkey_enabled) {
1180 printk(IBM_ERR "Using generic hotkey driver\n"); 1911 printk(IBM_ERR "using generic hotkey driver\n");
1181 return -ENODEV; 1912 return -ENODEV;
1182 } 1913 }
1183 /* these handles are required */
1184 if (IBM_HANDLE_INIT(ec, 1) < 0 ||
1185 IBM_HANDLE_INIT(hkey, 1) < 0 ||
1186 IBM_HANDLE_INIT(vid, 1) < 0 || IBM_HANDLE_INIT(beep, 1) < 0)
1187 return -ENODEV;
1188 1914
1189 /* these handles have alternatives */ 1915 /* ec is required because many other handles are relative to it */
1190 IBM_HANDLE_INIT(lght, 0); 1916 IBM_HANDLE_INIT(ec);
1191 if (IBM_HANDLE_INIT(cmos, !lght_handle) < 0) 1917 if (!ec_handle) {
1192 return -ENODEV; 1918 printk(IBM_ERR "ec object not found\n");
1193 IBM_HANDLE_INIT(sysl, 0);
1194 if (IBM_HANDLE_INIT(led, !sysl_handle) < 0)
1195 return -ENODEV; 1919 return -ENODEV;
1920 }
1196 1921
1197 /* these handles are not required */ 1922 /* these handles are not required */
1198 IBM_HANDLE_INIT(dock, 0); 1923 IBM_HANDLE_INIT(vid);
1199 IBM_HANDLE_INIT(bay, 0); 1924 IBM_HANDLE_INIT(vid2);
1200 IBM_HANDLE_INIT(bayej, 0); 1925 IBM_HANDLE_INIT(ledb);
1201 IBM_HANDLE_INIT(bled, 0); 1926 IBM_HANDLE_INIT(led);
1927 IBM_HANDLE_INIT(hkey);
1928 IBM_HANDLE_INIT(lght);
1929 IBM_HANDLE_INIT(cmos);
1930 IBM_HANDLE_INIT(dock);
1931 IBM_HANDLE_INIT(pci);
1932 IBM_HANDLE_INIT(bay);
1933 if (bay_handle)
1934 IBM_HANDLE_INIT(bay_ej);
1935 IBM_HANDLE_INIT(bay2);
1936 if (bay2_handle)
1937 IBM_HANDLE_INIT(bay2_ej);
1938 IBM_HANDLE_INIT(beep);
1939 IBM_HANDLE_INIT(ecrd);
1940 IBM_HANDLE_INIT(ecwr);
1941 IBM_HANDLE_INIT(fans);
1942 IBM_HANDLE_INIT(gfan);
1943 IBM_HANDLE_INIT(sfan);
1202 1944
1203 proc_dir = proc_mkdir(IBM_DIR, acpi_root_dir); 1945 proc_dir = proc_mkdir(IBM_DIR, acpi_root_dir);
1204 if (!proc_dir) { 1946 if (!proc_dir) {
@@ -1207,8 +1949,10 @@ static int __init acpi_ibm_init(void)
1207 } 1949 }
1208 proc_dir->owner = THIS_MODULE; 1950 proc_dir->owner = THIS_MODULE;
1209 1951
1210 for (i = 0; i < NUM_IBMS; i++) { 1952 for (i = 0; i < ARRAY_SIZE(ibms); i++) {
1211 ret = ibm_init(&ibms[i]); 1953 ret = ibm_init(&ibms[i]);
1954 if (ret >= 0 && *ibms[i].param)
1955 ret = ibms[i].write(ibms[i].param);
1212 if (ret < 0) { 1956 if (ret < 0) {
1213 acpi_ibm_exit(); 1957 acpi_ibm_exit();
1214 return ret; 1958 return ret;
@@ -1220,17 +1964,3 @@ static int __init acpi_ibm_init(void)
1220 1964
1221module_init(acpi_ibm_init); 1965module_init(acpi_ibm_init);
1222module_exit(acpi_ibm_exit); 1966module_exit(acpi_ibm_exit);
1223
1224MODULE_AUTHOR("Borislav Deianov");
1225MODULE_DESCRIPTION(IBM_DESC);
1226MODULE_LICENSE("GPL");
1227
1228IBM_PARAM(hotkey);
1229IBM_PARAM(bluetooth);
1230IBM_PARAM(video);
1231IBM_PARAM(light);
1232IBM_PARAM(dock);
1233IBM_PARAM(bay);
1234IBM_PARAM(cmos);
1235IBM_PARAM(led);
1236IBM_PARAM(beep);
generated by cgit v1.2.2 (git 2.25.0) at 2024-12-20 11:28:22 -0500