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authorBorislav Deianov <borislav@users.sf.net>2005-08-17 00:00:00 -0400
committerLen Brown <len.brown@intel.com>2005-08-25 17:37:51 -0400
commit78f81cc4355c31c798564ff7efb253cc4cdce6c0 (patch)
treee3be9c36048b75db33218e49e7f75fea8be09261 /drivers
parent9c2c38a122cc23d6a09b8004d60a33913683eedf (diff)
[ACPI] IBM ThinkPad ACPI Extras Driver v0.12
http://ibm-acpi.sf.net/ Signed-off-by: Borislav Deianov <borislav@users.sf.net> Signed-off-by: Len Brown <len.brown@intel.com>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/acpi/ibm_acpi.c1598
1 files changed, 1159 insertions, 439 deletions
diff --git a/drivers/acpi/ibm_acpi.c b/drivers/acpi/ibm_acpi.c
index ad85e10001f4..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 ": "
@@ -84,54 +113,122 @@ 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, 119/*
90 "\\_SB.PCI0.ISA.EC", /* A21e, A22p, T20, T21, X20 */ 120 * The following models are supported to various degrees:
91 "\\_SB.PCI0.LPC.EC", /* all others */ 121 *
92); 122 * 570, 600e, 600x, 770e, 770x
93 123 * A20m, A21e, A21m, A21p, A22p, A30, A30p, A31, A31p
94IBM_HANDLE(vid, root, 124 * G40, G41
95 "\\_SB.PCI0.VID", /* A21e, G40, X30, X40 */ 125 * R30, R31, R32, R40, R40e, R50, R50e, R50p, R51
96 "\\_SB.PCI0.AGP.VID", /* all others */ 126 * T20, T21, T22, T23, T30, T40, T40p, T41, T41p, T42, T42p, T43
97); 127 * X20, X21, X22, X23, X24, X30, X31, X40
98 128 *
99IBM_HANDLE(cmos, root, 129 * The following models have no supported features:
100 "\\UCMS", /* R50, R50p, R51, T4x, X31, X40 */ 130 *
101 "\\CMOS", /* A3x, G40, R32, T23, T30, X22, X24, X30 */ 131 * 240, 240x, i1400
102 "\\CMS", /* R40, R40e */ 132 *
103); /* A21e, A22p, T20, T21, X20 */ 133 * Still missing DSDTs for the following models:
104 134 *
105IBM_HANDLE(dock, root, 135 * A20p, A22e, A22m
106 "\\_SB.GDCK", /* X30, X31, X40 */ 136 * R52
107 "\\_SB.PCI0.DOCK", /* A22p, T20, T21, X20 */ 137 * S31
108 "\\_SB.PCI0.PCI1.DOCK", /* all others */ 138 * T43p
109); /* A21e, G40, R32, R40, R40e */ 139 */
110 140
111IBM_HANDLE(bay, root, 141IBM_HANDLE(ec, root, "\\_SB.PCI0.ISA.EC0", /* 240, 240x */
112 "\\_SB.PCI0.IDE0.SCND.MSTR"); /* all except A21e */ 142 "\\_SB.PCI.ISA.EC", /* 570 */
113IBM_HANDLE(bayej, root, 143 "\\_SB.PCI0.ISA0.EC0", /* 600e/x, 770e, 770x */
114 "\\_SB.PCI0.IDE0.SCND.MSTR._EJ0"); /* all except A2x, A3x */ 144 "\\_SB.PCI0.ISA.EC", /* A21e, A2xm/p, T20-22, X20-21 */
115 145 "\\_SB.PCI0.AD4S.EC0", /* i1400, R30 */
116IBM_HANDLE(lght, root, "\\LGHT"); /* A21e, A22p, T20, T21, X20 */ 146 "\\_SB.PCI0.ICH3.EC0", /* R31 */
117IBM_HANDLE(hkey, ec, "HKEY"); /* all */ 147 "\\_SB.PCI0.LPC.EC", /* all others */
118IBM_HANDLE(led, ec, "LED"); /* all except A21e, A22p, T20, T21, X20 */ 148 );
119IBM_HANDLE(sysl, ec, "SYSL"); /* A21e, A22p, T20, T21, X20 */ 149
120IBM_HANDLE(bled, ec, "BLED"); /* A22p, T20, T21, X20 */ 150IBM_HANDLE(vid, root, "\\_SB.PCI.AGP.VGA", /* 570 */
121IBM_HANDLE(beep, ec, "BEEP"); /* all models */ 151 "\\_SB.PCI0.AGP0.VID0", /* 600e/x, 770x */
152 "\\_SB.PCI0.VID0", /* 770e */
153 "\\_SB.PCI0.VID", /* A21e, G4x, R50e, X30, X40 */
154 "\\_SB.PCI0.AGP.VID", /* all others */
155 ); /* R30, R31 */
156
157IBM_HANDLE(vid2, root, "\\_SB.PCI0.AGPB.VID"); /* G41 */
158
159IBM_HANDLE(cmos, root, "\\UCMS", /* R50, R50e, R50p, R51, T4x, X31, X40 */
160 "\\CMOS", /* A3x, G4x, R32, T23, T30, X22-24, X30 */
161 "\\CMS", /* R40, R40e */
162 ); /* all others */
163
164IBM_HANDLE(dock, root, "\\_SB.GDCK", /* X30, X31, X40 */
165 "\\_SB.PCI0.DOCK", /* 600e/x,770e,770x,A2xm/p,T20-22,X20-21 */
166 "\\_SB.PCI0.PCI1.DOCK", /* all others */
167 "\\_SB.PCI.ISA.SLCE", /* 570 */
168 ); /* A21e,G4x,R30,R31,R32,R40,R40e,R50e */
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 */
189
190IBM_HANDLE(hkey, ec, "\\_SB.HKEY", /* 600e/x, 770e, 770x */
191 "^HKEY", /* R30, R31 */
192 "HKEY", /* all others */
193 ); /* 570 */
194
195IBM_HANDLE(lght, root, "\\LGHT"); /* A21e, A2xm/p, T20-22, X20-21 */
196IBM_HANDLE(ledb, ec, "LEDB"); /* G4x */
197
198IBM_HANDLE(led, ec, "SLED", /* 570 */
199 "SYSL", /* 600e/x, 770e, 770x, A21e, A2xm/p, T20-22, X20-21 */
200 "LED", /* all others */
201 ); /* R30, R31 */
202
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"
122 218
123struct ibm_struct { 219struct ibm_struct {
124 char *name; 220 char *name;
221 char param[32];
125 222
126 char *hid; 223 char *hid;
127 struct acpi_driver *driver; 224 struct acpi_driver *driver;
128
129 int (*init) (struct ibm_struct *);
130 int (*read) (struct ibm_struct *, char *);
131 int (*write) (struct ibm_struct *, char *);
132 void (*exit) (struct ibm_struct *);
133 225
134 void (*notify) (struct ibm_struct *, u32); 226 int (*init) (void);
227 int (*read) (char *);
228 int (*write) (char *);
229 void (*exit) (void);
230
231 void (*notify) (struct ibm_struct *, u32);
135 acpi_handle *handle; 232 acpi_handle *handle;
136 int type; 233 int type;
137 struct acpi_device *device; 234 struct acpi_device *device;
@@ -141,17 +238,6 @@ struct ibm_struct {
141 int init_called; 238 int init_called;
142 int notify_installed; 239 int notify_installed;
143 240
144 int supported;
145 union {
146 struct {
147 int status;
148 int mask;
149 } hotkey;
150 struct {
151 int autoswitch;
152 } video;
153 } state;
154
155 int experimental; 241 int experimental;
156}; 242};
157 243
@@ -165,15 +251,15 @@ static int acpi_evalf(acpi_handle handle,
165 void *res, char *method, char *fmt, ...) 251 void *res, char *method, char *fmt, ...)
166{ 252{
167 char *fmt0 = fmt; 253 char *fmt0 = fmt;
168 struct acpi_object_list params; 254 struct acpi_object_list params;
169 union acpi_object in_objs[IBM_MAX_ACPI_ARGS]; 255 union acpi_object in_objs[IBM_MAX_ACPI_ARGS];
170 struct acpi_buffer result; 256 struct acpi_buffer result, *resultp;
171 union acpi_object out_obj; 257 union acpi_object out_obj;
172 acpi_status status; 258 acpi_status status;
173 va_list ap; 259 va_list ap;
174 char res_type; 260 char res_type;
175 int success; 261 int success;
176 int quiet; 262 int quiet;
177 263
178 if (!*fmt) { 264 if (!*fmt) {
179 printk(IBM_ERR "acpi_evalf() called with empty format\n"); 265 printk(IBM_ERR "acpi_evalf() called with empty format\n");
@@ -199,7 +285,7 @@ static int acpi_evalf(acpi_handle handle,
199 in_objs[params.count].integer.value = va_arg(ap, int); 285 in_objs[params.count].integer.value = va_arg(ap, int);
200 in_objs[params.count++].type = ACPI_TYPE_INTEGER; 286 in_objs[params.count++].type = ACPI_TYPE_INTEGER;
201 break; 287 break;
202 /* add more types as needed */ 288 /* add more types as needed */
203 default: 289 default:
204 printk(IBM_ERR "acpi_evalf() called " 290 printk(IBM_ERR "acpi_evalf() called "
205 "with invalid format character '%c'\n", c); 291 "with invalid format character '%c'\n", c);
@@ -208,21 +294,25 @@ static int acpi_evalf(acpi_handle handle,
208 } 294 }
209 va_end(ap); 295 va_end(ap);
210 296
211 result.length = sizeof(out_obj); 297 if (res_type != 'v') {
212 result.pointer = &out_obj; 298 result.length = sizeof(out_obj);
299 result.pointer = &out_obj;
300 resultp = &result;
301 } else
302 resultp = NULL;
213 303
214 status = acpi_evaluate_object(handle, method, &params, &result); 304 status = acpi_evaluate_object(handle, method, &params, resultp);
215 305
216 switch (res_type) { 306 switch (res_type) {
217 case 'd': /* int */ 307 case 'd': /* int */
218 if (res) 308 if (res)
219 *(int *)res = out_obj.integer.value; 309 *(int *)res = out_obj.integer.value;
220 success = status == AE_OK && out_obj.type == ACPI_TYPE_INTEGER; 310 success = status == AE_OK && out_obj.type == ACPI_TYPE_INTEGER;
221 break; 311 break;
222 case 'v': /* void */ 312 case 'v': /* void */
223 success = status == AE_OK; 313 success = status == AE_OK;
224 break; 314 break;
225 /* add more types as needed */ 315 /* add more types as needed */
226 default: 316 default:
227 printk(IBM_ERR "acpi_evalf() called " 317 printk(IBM_ERR "acpi_evalf() called "
228 "with invalid format character '%c'\n", res_type); 318 "with invalid format character '%c'\n", res_type);
@@ -262,7 +352,7 @@ static char *next_cmd(char **cmds)
262 return start; 352 return start;
263} 353}
264 354
265static int driver_init(struct ibm_struct *ibm) 355static int driver_init(void)
266{ 356{
267 printk(IBM_INFO "%s v%s\n", IBM_DESC, IBM_VERSION); 357 printk(IBM_INFO "%s v%s\n", IBM_DESC, IBM_VERSION);
268 printk(IBM_INFO "%s\n", IBM_URL); 358 printk(IBM_INFO "%s\n", IBM_URL);
@@ -270,7 +360,7 @@ static int driver_init(struct ibm_struct *ibm)
270 return 0; 360 return 0;
271} 361}
272 362
273static int driver_read(struct ibm_struct *ibm, char *p) 363static int driver_read(char *p)
274{ 364{
275 int len = 0; 365 int len = 0;
276 366
@@ -280,67 +370,74 @@ static int driver_read(struct ibm_struct *ibm, char *p)
280 return len; 370 return len;
281} 371}
282 372
283static 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)
284{ 379{
285 if (!acpi_evalf(hkey_handle, status, "DHKC", "d")) 380 if (!acpi_evalf(hkey_handle, status, "DHKC", "d"))
286 return -EIO; 381 return 0;
287 if (ibm->supported) { 382
288 if (!acpi_evalf(hkey_handle, mask, "DHKN", "qd")) 383 if (hotkey_mask_supported)
289 return -EIO; 384 if (!acpi_evalf(hkey_handle, mask, "DHKN", "d"))
290 } else { 385 return 0;
291 *mask = ibm->state.hotkey.mask; 386
292 } 387 return 1;
293 return 0;
294} 388}
295 389
296static int hotkey_set(struct ibm_struct *ibm, int status, int mask) 390static int hotkey_set(int status, int mask)
297{ 391{
298 int i; 392 int i;
299 393
300 if (!acpi_evalf(hkey_handle, NULL, "MHKC", "vd", status)) 394 if (!acpi_evalf(hkey_handle, NULL, "MHKC", "vd", status))
301 return -EIO;
302
303 if (!ibm->supported)
304 return 0; 395 return 0;
305 396
306 for (i=0; i<32; i++) { 397 if (hotkey_mask_supported)
307 int bit = ((1 << i) & mask) != 0; 398 for (i = 0; i < 32; i++) {
308 if (!acpi_evalf(hkey_handle, NULL, "MHKM", "vdd", i+1, bit)) 399 int bit = ((1 << i) & mask) != 0;
309 return -EIO; 400 if (!acpi_evalf(hkey_handle,
310 } 401 NULL, "MHKM", "vdd", i + 1, bit))
402 return 0;
403 }
311 404
312 return 0; 405 return 1;
313} 406}
314 407
315static int hotkey_init(struct ibm_struct *ibm) 408static int hotkey_init(void)
316{ 409{
317 int ret; 410 /* hotkey not supported on 570 */
411 hotkey_supported = hkey_handle != NULL;
318 412
319 ibm->supported = 1; 413 if (hotkey_supported) {
320 ret = hotkey_get(ibm, 414 /* mask not supported on 570, 600e/x, 770e, 770x, A21e, A2xm/p,
321 &ibm->state.hotkey.status, 415 A30, R30, R31, T20-22, X20-21, X22-24 */
322 &ibm->state.hotkey.mask); 416 hotkey_mask_supported =
323 if (ret < 0) { 417 acpi_evalf(hkey_handle, NULL, "DHKN", "qv");
324 /* mask not supported on A21e, A22p, T20, T21, X20, X22, X24 */ 418
325 ibm->supported = 0; 419 if (!hotkey_get(&hotkey_orig_status, &hotkey_orig_mask))
326 ret = hotkey_get(ibm, 420 return -ENODEV;
327 &ibm->state.hotkey.status,
328 &ibm->state.hotkey.mask);
329 } 421 }
330 422
331 return ret; 423 return 0;
332} 424}
333 425
334static int hotkey_read(struct ibm_struct *ibm, char *p) 426static int hotkey_read(char *p)
335{ 427{
336 int status, mask; 428 int status, mask;
337 int len = 0; 429 int len = 0;
338 430
339 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))
340 return -EIO; 437 return -EIO;
341 438
342 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));
343 if (ibm->supported) { 440 if (hotkey_mask_supported) {
344 len += sprintf(p + len, "mask:\t\t0x%04x\n", mask); 441 len += sprintf(p + len, "mask:\t\t0x%04x\n", mask);
345 len += sprintf(p + len, 442 len += sprintf(p + len,
346 "commands:\tenable, disable, reset, <mask>\n"); 443 "commands:\tenable, disable, reset, <mask>\n");
@@ -352,23 +449,26 @@ static int hotkey_read(struct ibm_struct *ibm, char *p)
352 return len; 449 return len;
353} 450}
354 451
355static int hotkey_write(struct ibm_struct *ibm, char *buf) 452static int hotkey_write(char *buf)
356{ 453{
357 int status, mask; 454 int status, mask;
358 char *cmd; 455 char *cmd;
359 int do_cmd = 0; 456 int do_cmd = 0;
360 457
361 if (hotkey_get(ibm, &status, &mask) < 0) 458 if (!hotkey_supported)
362 return -ENODEV; 459 return -ENODEV;
363 460
461 if (!hotkey_get(&status, &mask))
462 return -EIO;
463
364 while ((cmd = next_cmd(&buf))) { 464 while ((cmd = next_cmd(&buf))) {
365 if (strlencmp(cmd, "enable") == 0) { 465 if (strlencmp(cmd, "enable") == 0) {
366 status = 1; 466 status = 1;
367 } else if (strlencmp(cmd, "disable") == 0) { 467 } else if (strlencmp(cmd, "disable") == 0) {
368 status = 0; 468 status = 0;
369 } else if (strlencmp(cmd, "reset") == 0) { 469 } else if (strlencmp(cmd, "reset") == 0) {
370 status = ibm->state.hotkey.status; 470 status = hotkey_orig_status;
371 mask = ibm->state.hotkey.mask; 471 mask = hotkey_orig_mask;
372 } else if (sscanf(cmd, "0x%x", &mask) == 1) { 472 } else if (sscanf(cmd, "0x%x", &mask) == 1) {
373 /* mask set */ 473 /* mask set */
374 } else if (sscanf(cmd, "%x", &mask) == 1) { 474 } else if (sscanf(cmd, "%x", &mask) == 1) {
@@ -378,15 +478,16 @@ static int hotkey_write(struct ibm_struct *ibm, char *buf)
378 do_cmd = 1; 478 do_cmd = 1;
379 } 479 }
380 480
381 if (do_cmd && hotkey_set(ibm, status, mask) < 0) 481 if (do_cmd && !hotkey_set(status, mask))
382 return -EIO; 482 return -EIO;
383 483
384 return 0; 484 return 0;
385} 485}
386 486
387static void hotkey_exit(struct ibm_struct *ibm) 487static void hotkey_exit(void)
388{ 488{
389 hotkey_set(ibm, ibm->state.hotkey.status, ibm->state.hotkey.mask); 489 if (hotkey_supported)
490 hotkey_set(hotkey_orig_status, hotkey_orig_mask);
390} 491}
391 492
392static void hotkey_notify(struct ibm_struct *ibm, u32 event) 493static void hotkey_notify(struct ibm_struct *ibm, u32 event)
@@ -398,33 +499,38 @@ static void hotkey_notify(struct ibm_struct *ibm, u32 event)
398 else { 499 else {
399 printk(IBM_ERR "unknown hotkey event %d\n", event); 500 printk(IBM_ERR "unknown hotkey event %d\n", event);
400 acpi_bus_generate_event(ibm->device, event, 0); 501 acpi_bus_generate_event(ibm->device, event, 0);
401 } 502 }
402} 503}
403 504
404static int bluetooth_init(struct ibm_struct *ibm) 505static int bluetooth_supported;
506
507static int bluetooth_init(void)
405{ 508{
406 /* bluetooth not supported on A21e, G40, T20, T21, X20 */ 509 /* bluetooth not supported on 570, 600e/x, 770e, 770x, A21e, A2xm/p,
407 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");
408 513
409 return 0; 514 return 0;
410} 515}
411 516
412static int bluetooth_status(struct ibm_struct *ibm) 517static int bluetooth_status(void)
413{ 518{
414 int status; 519 int status;
415 520
416 if (!ibm->supported || !acpi_evalf(hkey_handle, &status, "GBDC", "d")) 521 if (!bluetooth_supported ||
522 !acpi_evalf(hkey_handle, &status, "GBDC", "d"))
417 status = 0; 523 status = 0;
418 524
419 return status; 525 return status;
420} 526}
421 527
422static int bluetooth_read(struct ibm_struct *ibm, char *p) 528static int bluetooth_read(char *p)
423{ 529{
424 int len = 0; 530 int len = 0;
425 int status = bluetooth_status(ibm); 531 int status = bluetooth_status();
426 532
427 if (!ibm->supported) 533 if (!bluetooth_supported)
428 len += sprintf(p + len, "status:\t\tnot supported\n"); 534 len += sprintf(p + len, "status:\t\tnot supported\n");
429 else if (!(status & 1)) 535 else if (!(status & 1))
430 len += sprintf(p + len, "status:\t\tnot installed\n"); 536 len += sprintf(p + len, "status:\t\tnot installed\n");
@@ -436,14 +542,14 @@ static int bluetooth_read(struct ibm_struct *ibm, char *p)
436 return len; 542 return len;
437} 543}
438 544
439static int bluetooth_write(struct ibm_struct *ibm, char *buf) 545static int bluetooth_write(char *buf)
440{ 546{
441 int status = bluetooth_status(ibm); 547 int status = bluetooth_status();
442 char *cmd; 548 char *cmd;
443 int do_cmd = 0; 549 int do_cmd = 0;
444 550
445 if (!ibm->supported) 551 if (!bluetooth_supported)
446 return -EINVAL; 552 return -ENODEV;
447 553
448 while ((cmd = next_cmd(&buf))) { 554 while ((cmd = next_cmd(&buf))) {
449 if (strlencmp(cmd, "enable") == 0) { 555 if (strlencmp(cmd, "enable") == 0) {
@@ -456,64 +562,166 @@ static int bluetooth_write(struct ibm_struct *ibm, char *buf)
456 } 562 }
457 563
458 if (do_cmd && !acpi_evalf(hkey_handle, NULL, "SBDC", "vd", status)) 564 if (do_cmd && !acpi_evalf(hkey_handle, NULL, "SBDC", "vd", status))
459 return -EIO; 565 return -EIO;
460 566
461 return 0; 567 return 0;
462} 568}
463 569
464static 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)
465{ 578{
466 if (!acpi_evalf(vid_handle, 579 int ivga;
467 &ibm->state.video.autoswitch, "^VDEE", "d")) 580
468 return -ENODEV; 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;
469 597
470 return 0; 598 return 0;
471} 599}
472 600
473static int video_status(struct ibm_struct *ibm) 601static int video_status(void)
474{ 602{
475 int status = 0; 603 int status = 0;
476 int i; 604 int i;
477 605
478 acpi_evalf(NULL, NULL, "\\VUPS", "vd", 1); 606 if (video_supported == VIDEO_570) {
479 if (acpi_evalf(NULL, &i, "\\VCDC", "d")) 607 if (acpi_evalf(NULL, &i, "\\_SB.PHS", "dd", 0x87))
480 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 }
625
626 return status;
627}
481 628
482 acpi_evalf(NULL, NULL, "\\VUPS", "vd", 0); 629static int video_autosw(void)
483 if (acpi_evalf(NULL, &i, "\\VCDL", "d")) 630{
484 status |= 0x01 * i; 631 int autosw = 0;
485 if (acpi_evalf(NULL, &i, "\\VCDD", "d"))
486 status |= 0x08 * i;
487 632
488 if (acpi_evalf(vid_handle, &i, "^VDEE", "d")) 633 if (video_supported == VIDEO_570)
489 status |= 0x10 * (i & 1); 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");
490 637
491 return status; 638 return autosw & 1;
492} 639}
493 640
494static int video_read(struct ibm_struct *ibm, char *p) 641static int video_read(char *p)
495{ 642{
496 int status = video_status(ibm); 643 int status = video_status();
644 int autosw = video_autosw();
497 int len = 0; 645 int len = 0;
498 646
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");
499 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));
500 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));
501 len += sprintf(p + len, "dvi:\t\t%s\n", enabled(status, 3)); 655 if (video_supported == VIDEO_NEW)
502 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));
503 len += sprintf(p + len, "commands:\tlcd_enable, lcd_disable, " 657 len += sprintf(p + len, "auto:\t\t%s\n", enabled(autosw, 0));
504 "crt_enable, crt_disable\n"); 658 len += sprintf(p + len, "commands:\tlcd_enable, lcd_disable\n");
505 len += sprintf(p + len, "commands:\tdvi_enable, dvi_disable, " 659 len += sprintf(p + len, "commands:\tcrt_enable, crt_disable\n");
506 "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");
507 len += sprintf(p + len, "commands:\tvideo_switch, expand_toggle\n"); 663 len += sprintf(p + len, "commands:\tvideo_switch, expand_toggle\n");
508 664
509 return len; 665 return len;
510} 666}
511 667
512static 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)
513{ 718{
514 char *cmd; 719 char *cmd;
515 int enable, disable, status; 720 int enable, disable, status;
516 721
722 if (!video_supported)
723 return -ENODEV;
724
517 enable = disable = 0; 725 enable = disable = 0;
518 726
519 while ((cmd = next_cmd(&buf))) { 727 while ((cmd = next_cmd(&buf))) {
@@ -525,9 +733,11 @@ static int video_write(struct ibm_struct *ibm, char *buf)
525 enable |= 0x02; 733 enable |= 0x02;
526 } else if (strlencmp(cmd, "crt_disable") == 0) { 734 } else if (strlencmp(cmd, "crt_disable") == 0) {
527 disable |= 0x02; 735 disable |= 0x02;
528 } else if (strlencmp(cmd, "dvi_enable") == 0) { 736 } else if (video_supported == VIDEO_NEW &&
737 strlencmp(cmd, "dvi_enable") == 0) {
529 enable |= 0x08; 738 enable |= 0x08;
530 } else if (strlencmp(cmd, "dvi_disable") == 0) { 739 } else if (video_supported == VIDEO_NEW &&
740 strlencmp(cmd, "dvi_disable") == 0) {
531 disable |= 0x08; 741 disable |= 0x08;
532 } else if (strlencmp(cmd, "auto_enable") == 0) { 742 } else if (strlencmp(cmd, "auto_enable") == 0) {
533 if (!acpi_evalf(vid_handle, NULL, "_DOS", "vd", 1)) 743 if (!acpi_evalf(vid_handle, NULL, "_DOS", "vd", 1))
@@ -536,71 +746,75 @@ static int video_write(struct ibm_struct *ibm, char *buf)
536 if (!acpi_evalf(vid_handle, NULL, "_DOS", "vd", 0)) 746 if (!acpi_evalf(vid_handle, NULL, "_DOS", "vd", 0))
537 return -EIO; 747 return -EIO;
538 } else if (strlencmp(cmd, "video_switch") == 0) { 748 } else if (strlencmp(cmd, "video_switch") == 0) {
539 int autoswitch; 749 if (!video_switch())
540 if (!acpi_evalf(vid_handle, &autoswitch, "^VDEE", "d"))
541 return -EIO;
542 if (!acpi_evalf(vid_handle, NULL, "_DOS", "vd", 1))
543 return -EIO;
544 if (!acpi_evalf(vid_handle, NULL, "VSWT", "v"))
545 return -EIO;
546 if (!acpi_evalf(vid_handle, NULL, "_DOS", "vd",
547 autoswitch))
548 return -EIO; 750 return -EIO;
549 } else if (strlencmp(cmd, "expand_toggle") == 0) { 751 } else if (strlencmp(cmd, "expand_toggle") == 0) {
550 if (!acpi_evalf(NULL, NULL, "\\VEXP", "v")) 752 if (!video_expand())
551 return -EIO; 753 return -EIO;
552 } else 754 } else
553 return -EINVAL; 755 return -EINVAL;
554 } 756 }
555 757
556 if (enable || disable) { 758 if (enable || disable) {
557 status = (video_status(ibm) & 0x0f & ~disable) | enable; 759 status = (video_status() & 0x0f & ~disable) | enable;
558 if (!acpi_evalf(NULL, NULL, "\\VUPS", "vd", 0x80)) 760 if (!video_switch2(status))
559 return -EIO;
560 if (!acpi_evalf(NULL, NULL, "\\VSDS", "vdd", status, 1))
561 return -EIO; 761 return -EIO;
562 } 762 }
563 763
564 return 0; 764 return 0;
565} 765}
566 766
567static void video_exit(struct ibm_struct *ibm) 767static void video_exit(void)
568{ 768{
569 acpi_evalf(vid_handle, NULL, "_DOS", "vd", 769 acpi_evalf(vid_handle, NULL, "_DOS", "vd", video_orig_autosw);
570 ibm->state.video.autoswitch);
571} 770}
572 771
573static int light_init(struct ibm_struct *ibm) 772static int light_supported;
773static int light_status_supported;
774
775static int light_init(void)
574{ 776{
575 /* kblt not supported on G40, R32, X20 */ 777 /* light not supported on 570, 600e/x, 770e, 770x, G4x, R30, R31 */
576 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");
577 785
578 return 0; 786 return 0;
579} 787}
580 788
581static int light_read(struct ibm_struct *ibm, char *p) 789static int light_read(char *p)
582{ 790{
583 int len = 0; 791 int len = 0;
584 int status = 0; 792 int status = 0;
585 793
586 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 {
587 if (!acpi_evalf(ec_handle, &status, "KBLT", "d")) 800 if (!acpi_evalf(ec_handle, &status, "KBLT", "d"))
588 return -EIO; 801 return -EIO;
589 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));
590 } else 803 len += sprintf(p + len, "commands:\ton, off\n");
591 len += sprintf(p + len, "status:\t\tunknown\n"); 804 }
592
593 len += sprintf(p + len, "commands:\ton, off\n");
594 805
595 return len; 806 return len;
596} 807}
597 808
598static int light_write(struct ibm_struct *ibm, char *buf) 809static int light_write(char *buf)
599{ 810{
600 int cmos_cmd, lght_cmd; 811 int cmos_cmd, lght_cmd;
601 char *cmd; 812 char *cmd;
602 int success; 813 int success;
603 814
815 if (!light_supported)
816 return -ENODEV;
817
604 while ((cmd = next_cmd(&buf))) { 818 while ((cmd = next_cmd(&buf))) {
605 if (strlencmp(cmd, "on") == 0) { 819 if (strlencmp(cmd, "on") == 0) {
606 cmos_cmd = 0x0c; 820 cmos_cmd = 0x0c;
@@ -610,10 +824,10 @@ static int light_write(struct ibm_struct *ibm, char *buf)
610 lght_cmd = 0; 824 lght_cmd = 0;
611 } else 825 } else
612 return -EINVAL; 826 return -EINVAL;
613 827
614 success = cmos_handle ? 828 success = cmos_handle ?
615 acpi_evalf(cmos_handle, NULL, NULL, "vd", cmos_cmd) : 829 acpi_evalf(cmos_handle, NULL, NULL, "vd", cmos_cmd) :
616 acpi_evalf(lght_handle, NULL, NULL, "vd", lght_cmd); 830 acpi_evalf(lght_handle, NULL, NULL, "vd", lght_cmd);
617 if (!success) 831 if (!success)
618 return -EIO; 832 return -EIO;
619 } 833 }
@@ -633,7 +847,7 @@ static int _sta(acpi_handle handle)
633 847
634#define dock_docked() (_sta(dock_handle) & 1) 848#define dock_docked() (_sta(dock_handle) & 1)
635 849
636static int dock_read(struct ibm_struct *ibm, char *p) 850static int dock_read(char *p)
637{ 851{
638 int len = 0; 852 int len = 0;
639 int docked = dock_docked(); 853 int docked = dock_docked();
@@ -650,18 +864,17 @@ static int dock_read(struct ibm_struct *ibm, char *p)
650 return len; 864 return len;
651} 865}
652 866
653static int dock_write(struct ibm_struct *ibm, char *buf) 867static int dock_write(char *buf)
654{ 868{
655 char *cmd; 869 char *cmd;
656 870
657 if (!dock_docked()) 871 if (!dock_docked())
658 return -EINVAL; 872 return -ENODEV;
659 873
660 while ((cmd = next_cmd(&buf))) { 874 while ((cmd = next_cmd(&buf))) {
661 if (strlencmp(cmd, "undock") == 0) { 875 if (strlencmp(cmd, "undock") == 0) {
662 if (!acpi_evalf(dock_handle, NULL, "_DCK", "vd", 0)) 876 if (!acpi_evalf(dock_handle, NULL, "_DCK", "vd", 0) ||
663 return -EIO; 877 !acpi_evalf(dock_handle, NULL, "_EJ0", "vd", 1))
664 if (!acpi_evalf(dock_handle, NULL, "_EJ0", "vd", 1))
665 return -EIO; 878 return -EIO;
666 } else if (strlencmp(cmd, "dock") == 0) { 879 } else if (strlencmp(cmd, "dock") == 0) {
667 if (!acpi_evalf(dock_handle, NULL, "_DCK", "vd", 1)) 880 if (!acpi_evalf(dock_handle, NULL, "_DCK", "vd", 1))
@@ -671,90 +884,131 @@ static int dock_write(struct ibm_struct *ibm, char *buf)
671 } 884 }
672 885
673 return 0; 886 return 0;
674} 887}
675 888
676static void dock_notify(struct ibm_struct *ibm, u32 event) 889static void dock_notify(struct ibm_struct *ibm, u32 event)
677{ 890{
678 int docked = dock_docked(); 891 int docked = dock_docked();
679 892 int pci = ibm->hid && strstr(ibm->hid, IBM_PCI_HID);
680 if (event == 3 && docked) 893
681 acpi_bus_generate_event(ibm->device, event, 1); /* button */ 894 if (event == 1 && !pci) /* 570 */
895 acpi_bus_generate_event(ibm->device, event, 1); /* button */
896 else if (event == 1 && pci) /* 570 */
897 acpi_bus_generate_event(ibm->device, event, 3); /* dock */
898 else if (event == 3 && docked)
899 acpi_bus_generate_event(ibm->device, event, 1); /* button */
682 else if (event == 3 && !docked) 900 else if (event == 3 && !docked)
683 acpi_bus_generate_event(ibm->device, event, 2); /* undock */ 901 acpi_bus_generate_event(ibm->device, event, 2); /* undock */
684 else if (event == 0 && docked) 902 else if (event == 0 && docked)
685 acpi_bus_generate_event(ibm->device, event, 3); /* dock */ 903 acpi_bus_generate_event(ibm->device, event, 3); /* dock */
686 else { 904 else {
687 printk(IBM_ERR "unknown dock event %d, status %d\n", 905 printk(IBM_ERR "unknown dock event %d, status %d\n",
688 event, _sta(dock_handle)); 906 event, _sta(dock_handle));
689 acpi_bus_generate_event(ibm->device, event, 0); /* unknown */ 907 acpi_bus_generate_event(ibm->device, event, 0); /* unknown */
690 } 908 }
691} 909}
692 910
693#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;
694 915
695static int bay_init(struct ibm_struct *ibm) 916static int bay_init(void)
696{ 917{
697 /* bay not supported on A21e, A22p, A31, A31p, G40, R32, R40e */ 918 bay_status_supported = bay_handle &&
698 ibm->supported = bay_handle && bayej_handle && 919 acpi_evalf(bay_handle, NULL, "_STA", "qv");
699 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);
700 927
701 return 0; 928 return 0;
702} 929}
703 930
704static 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)
705{ 934{
706 int len = 0; 935 int len = 0;
707 int occupied = bay_occupied(); 936 int occupied = bay_occupied(bay);
708 937 int occupied2 = bay_occupied(bay2);
709 if (!ibm->supported) 938 int eject, eject2;
710 len += sprintf(p + len, "status:\t\tnot supported\n"); 939
711 else if (!occupied) 940 len += sprintf(p + len, "status:\t\t%s\n", bay_status_supported ?
712 len += sprintf(p + len, "status:\t\tunoccupied\n"); 941 (occupied ? "occupied" : "unoccupied") :
713 else { 942 "not supported");
714 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)
715 len += sprintf(p + len, "commands:\teject\n"); 953 len += sprintf(p + len, "commands:\teject\n");
716 } 954 else if (eject2)
955 len += sprintf(p + len, "commands:\teject2\n");
717 956
718 return len; 957 return len;
719} 958}
720 959
721static int bay_write(struct ibm_struct *ibm, char *buf) 960static int bay_write(char *buf)
722{ 961{
723 char *cmd; 962 char *cmd;
724 963
964 if (!bay_eject_supported && !bay_eject2_supported)
965 return -ENODEV;
966
725 while ((cmd = next_cmd(&buf))) { 967 while ((cmd = next_cmd(&buf))) {
726 if (strlencmp(cmd, "eject") == 0) { 968 if (bay_eject_supported && strlencmp(cmd, "eject") == 0) {
727 if (!ibm->supported || 969 if (!acpi_evalf(bay_ej_handle, NULL, NULL, "vd", 1))
728 !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))
729 return -EIO; 974 return -EIO;
730 } else 975 } else
731 return -EINVAL; 976 return -EINVAL;
732 } 977 }
733 978
734 return 0; 979 return 0;
735} 980}
736 981
737static void bay_notify(struct ibm_struct *ibm, u32 event) 982static void bay_notify(struct ibm_struct *ibm, u32 event)
738{ 983{
739 acpi_bus_generate_event(ibm->device, event, 0); 984 acpi_bus_generate_event(ibm->device, event, 0);
740} 985}
741 986
742static int cmos_read(struct ibm_struct *ibm, char *p) 987static int cmos_read(char *p)
743{ 988{
744 int len = 0; 989 int len = 0;
745 990
746 /* 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 */
747 if (!cmos_handle) 993 if (!cmos_handle)
748 len += sprintf(p + len, "status:\t\tnot supported\n"); 994 len += sprintf(p + len, "status:\t\tnot supported\n");
749 else { 995 else {
750 len += sprintf(p + len, "status:\t\tsupported\n"); 996 len += sprintf(p + len, "status:\t\tsupported\n");
751 len += sprintf(p + len, "commands:\t<int>\n"); 997 len += sprintf(p + len, "commands:\t<cmd> (<cmd> is 0-21)\n");
752 } 998 }
753 999
754 return len; 1000 return len;
755} 1001}
756 1002
757static 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)
758{ 1012{
759 char *cmd; 1013 char *cmd;
760 int cmos_cmd; 1014 int cmos_cmd;
@@ -763,183 +1017,644 @@ static int cmos_write(struct ibm_struct *ibm, char *buf)
763 return -EINVAL; 1017 return -EINVAL;
764 1018
765 while ((cmd = next_cmd(&buf))) { 1019 while ((cmd = next_cmd(&buf))) {
766 if (sscanf(cmd, "%u", &cmos_cmd) == 1) { 1020 if (sscanf(cmd, "%u", &cmos_cmd) == 1 &&
1021 cmos_cmd >= 0 && cmos_cmd <= 21) {
767 /* cmos_cmd set */ 1022 /* cmos_cmd set */
768 } else 1023 } else
769 return -EINVAL; 1024 return -EINVAL;
770 1025
771 if (!acpi_evalf(cmos_handle, NULL, NULL, "vd", cmos_cmd)) 1026 if (!cmos_eval(cmos_cmd))
772 return -EIO; 1027 return -EIO;
773 } 1028 }
774 1029
775 return 0; 1030 return 0;
776} 1031}
777 1032
778static 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)
779{ 1060{
780 int len = 0; 1061 int len = 0;
781 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
782 len += sprintf(p + len, "commands:\t" 1081 len += sprintf(p + len, "commands:\t"
783 "<int> on, <int> off, <int> blink\n"); 1082 "<led> on, <led> off, <led> blink (<led> is 0-7)\n");
784 1083
785 return len; 1084 return len;
786} 1085}
787 1086
788static 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)
789{ 1098{
790 char *cmd; 1099 char *cmd;
791 unsigned int led; 1100 int led, ind, ret;
792 int led_cmd, sysl_cmd, bled_a, bled_b; 1101
1102 if (!led_supported)
1103 return -ENODEV;
793 1104
794 while ((cmd = next_cmd(&buf))) { 1105 while ((cmd = next_cmd(&buf))) {
795 if (sscanf(cmd, "%u", &led) != 1) 1106 if (sscanf(cmd, "%d", &led) != 1 || led < 0 || led > 7)
796 return -EINVAL; 1107 return -EINVAL;
797 1108
798 if (strstr(cmd, "blink")) { 1109 if (strstr(cmd, "off")) {
799 led_cmd = 0xc0; 1110 ind = 0;
800 sysl_cmd = 2;
801 bled_a = 2;
802 bled_b = 1;
803 } else if (strstr(cmd, "on")) { 1111 } else if (strstr(cmd, "on")) {
804 led_cmd = 0x80; 1112 ind = 1;
805 sysl_cmd = 1; 1113 } else if (strstr(cmd, "blink")) {
806 bled_a = 2; 1114 ind = 2;
807 bled_b = 0;
808 } else if (strstr(cmd, "off")) {
809 led_cmd = sysl_cmd = bled_a = bled_b = 0;
810 } else 1115 } else
811 return -EINVAL; 1116 return -EINVAL;
812 1117
813 if (led_handle) { 1118 if (led_supported == LED_570) {
1119 /* 570 */
1120 led = 1 << led;
814 if (!acpi_evalf(led_handle, NULL, NULL, "vdd", 1121 if (!acpi_evalf(led_handle, NULL, NULL, "vdd",
815 led, led_cmd)) 1122 led, led_sled_arg1[ind]))
816 return -EIO; 1123 return -EIO;
817 } else if (led < 2) { 1124 } else if (led_supported == LED_OLD) {
818 if (acpi_evalf(sysl_handle, NULL, NULL, "vdd", 1125 /* 600e/x, 770e, 770x, A21e, A2xm/p, T20-22, X20 */
819 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]))
820 return -EIO; 1140 return -EIO;
821 } else if (led == 2 && bled_handle) { 1141 }
822 if (acpi_evalf(bled_handle, NULL, NULL, "vdd", 1142 }
823 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))
824 return -EIO; 1310 return -EIO;
825 } else 1311 } else
826 return -EINVAL; 1312 return -EINVAL;
827 } 1313 }
828 1314
829 return 0; 1315 return 0;
830} 1316}
831 1317
832static int beep_read(struct ibm_struct *ibm, char *p) 1318static int brightness_offset = 0x31;
1319
1320static int brightness_read(char *p)
833{ 1321{
834 int len = 0; 1322 int len = 0;
1323 u8 level;
835 1324
836 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 }
837 1333
838 return len; 1334 return len;
839} 1335}
840 1336
841static 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)
842{ 1341{
1342 int cmos_cmd, inc, i;
1343 u8 level;
1344 int new_level;
843 char *cmd; 1345 char *cmd;
844 int beep_cmd;
845 1346
846 while ((cmd = next_cmd(&buf))) { 1347 while ((cmd = next_cmd(&buf))) {
847 if (sscanf(cmd, "%u", &beep_cmd) == 1) { 1348 if (!acpi_ec_read(brightness_offset, &level))
848 /* 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;
849 } else 1427 } else
850 return -EINVAL; 1428 return -EINVAL;
851 1429
852 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"))
853 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;
854 } 1536 }
855 1537
856 return 0; 1538 return 0;
857} 1539}
858 1540
859static struct ibm_struct ibms[] = { 1541static struct ibm_struct ibms[] = {
860 { 1542 {
861 .name = "driver", 1543 .name = "driver",
862 .init = driver_init, 1544 .init = driver_init,
863 .read = driver_read, 1545 .read = driver_read,
864 }, 1546 },
1547 {
1548 .name = "hotkey",
1549 .hid = IBM_HKEY_HID,
1550 .init = hotkey_init,
1551 .read = hotkey_read,
1552 .write = hotkey_write,
1553 .exit = hotkey_exit,
1554 .notify = hotkey_notify,
1555 .handle = &hkey_handle,
1556 .type = ACPI_DEVICE_NOTIFY,
1557 },
1558 {
1559 .name = "bluetooth",
1560 .init = bluetooth_init,
1561 .read = bluetooth_read,
1562 .write = bluetooth_write,
1563 },
1564 {
1565 .name = "video",
1566 .init = video_init,
1567 .read = video_read,
1568 .write = video_write,
1569 .exit = video_exit,
1570 },
865 { 1571 {
866 .name = "hotkey", 1572 .name = "light",
867 .hid = "IBM0068", 1573 .init = light_init,
868 .init = hotkey_init, 1574 .read = light_read,
869 .read = hotkey_read, 1575 .write = light_write,
870 .write = hotkey_write, 1576 },
871 .exit = hotkey_exit,
872 .notify = hotkey_notify,
873 .handle = &hkey_handle,
874 .type = ACPI_DEVICE_NOTIFY,
875 },
876 { 1577 {
877 .name = "bluetooth", 1578 .name = "dock",
878 .init = bluetooth_init, 1579 .read = dock_read,
879 .read = bluetooth_read, 1580 .write = dock_write,
880 .write = bluetooth_write, 1581 .notify = dock_notify,
881 }, 1582 .handle = &dock_handle,
1583 .type = ACPI_SYSTEM_NOTIFY,
1584 },
882 { 1585 {
883 .name = "video", 1586 .name = "dock",
884 .init = video_init, 1587 .hid = IBM_PCI_HID,
885 .read = video_read, 1588 .notify = dock_notify,
886 .write = video_write, 1589 .handle = &pci_handle,
887 .exit = video_exit, 1590 .type = ACPI_SYSTEM_NOTIFY,
888 }, 1591 },
889 { 1592 {
890 .name = "light", 1593 .name = "bay",
891 .init = light_init, 1594 .init = bay_init,
892 .read = light_read, 1595 .read = bay_read,
893 .write = light_write, 1596 .write = bay_write,
894 }, 1597 .notify = bay_notify,
1598 .handle = &bay_handle,
1599 .type = ACPI_SYSTEM_NOTIFY,
1600 },
895 { 1601 {
896 .name = "dock", 1602 .name = "cmos",
897 .read = dock_read, 1603 .read = cmos_read,
898 .write = dock_write, 1604 .write = cmos_write,
899 .notify = dock_notify, 1605 },
900 .handle = &dock_handle,
901 .type = ACPI_SYSTEM_NOTIFY,
902 },
903 { 1606 {
904 .name = "bay", 1607 .name = "led",
905 .init = bay_init, 1608 .init = led_init,
906 .read = bay_read, 1609 .read = led_read,
907 .write = bay_write, 1610 .write = led_write,
908 .notify = bay_notify, 1611 },
909 .handle = &bay_handle,
910 .type = ACPI_SYSTEM_NOTIFY,
911 },
912 { 1612 {
913 .name = "cmos", 1613 .name = "beep",
914 .read = cmos_read, 1614 .read = beep_read,
915 .write = cmos_write, 1615 .write = beep_write,
916 .experimental = 1, 1616 },
917 },
918 { 1617 {
919 .name = "led", 1618 .name = "thermal",
920 .read = led_read, 1619 .init = thermal_init,
921 .write = led_write, 1620 .read = thermal_read,
922 .experimental = 1, 1621 },
923 },
924 { 1622 {
925 .name = "beep", 1623 .name = "ecdump",
926 .read = beep_read, 1624 .read = ecdump_read,
927 .write = beep_write, 1625 .write = ecdump_write,
928 .experimental = 1, 1626 .experimental = 1,
929 }, 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,
1644 .experimental = 1,
1645 },
930}; 1646};
931#define NUM_IBMS (sizeof(ibms)/sizeof(ibms[0]))
932 1647
933static 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,
934 int *eof, void *data) 1649 int *eof, void *data)
935{ 1650{
936 struct ibm_struct *ibm = (struct ibm_struct *)data; 1651 struct ibm_struct *ibm = (struct ibm_struct *)data;
937 int len; 1652 int len;
938 1653
939 if (!ibm || !ibm->read) 1654 if (!ibm || !ibm->read)
940 return -EINVAL; 1655 return -EINVAL;
941 1656
942 len = ibm->read(ibm, page); 1657 len = ibm->read(page);
943 if (len < 0) 1658 if (len < 0)
944 return len; 1659 return len;
945 1660
@@ -955,7 +1670,7 @@ static int dispatch_read(char *page, char **start, off_t off, int count,
955 return len; 1670 return len;
956} 1671}
957 1672
958static int dispatch_write(struct file *file, const char __user *userbuf, 1673static int dispatch_write(struct file *file, const char __user * userbuf,
959 unsigned long count, void *data) 1674 unsigned long count, void *data)
960{ 1675{
961 struct ibm_struct *ibm = (struct ibm_struct *)data; 1676 struct ibm_struct *ibm = (struct ibm_struct *)data;
@@ -969,20 +1684,20 @@ static int dispatch_write(struct file *file, const char __user *userbuf,
969 if (!kernbuf) 1684 if (!kernbuf)
970 return -ENOMEM; 1685 return -ENOMEM;
971 1686
972 if (copy_from_user(kernbuf, userbuf, count)) { 1687 if (copy_from_user(kernbuf, userbuf, count)) {
973 kfree(kernbuf); 1688 kfree(kernbuf);
974 return -EFAULT; 1689 return -EFAULT;
975 } 1690 }
976 1691
977 kernbuf[count] = 0; 1692 kernbuf[count] = 0;
978 strcat(kernbuf, ","); 1693 strcat(kernbuf, ",");
979 ret = ibm->write(ibm, kernbuf); 1694 ret = ibm->write(kernbuf);
980 if (ret == 0) 1695 if (ret == 0)
981 ret = count; 1696 ret = count;
982 1697
983 kfree(kernbuf); 1698 kfree(kernbuf);
984 1699
985 return ret; 1700 return ret;
986} 1701}
987 1702
988static void dispatch_notify(acpi_handle handle, u32 event, void *data) 1703static void dispatch_notify(acpi_handle handle, u32 event, void *data)
@@ -995,7 +1710,7 @@ static void dispatch_notify(acpi_handle handle, u32 event, void *data)
995 ibm->notify(ibm, event); 1710 ibm->notify(ibm, event);
996} 1711}
997 1712
998static int setup_notify(struct ibm_struct *ibm) 1713static int __init setup_notify(struct ibm_struct *ibm)
999{ 1714{
1000 acpi_status status; 1715 acpi_status status;
1001 int ret; 1716 int ret;
@@ -1020,17 +1735,15 @@ static int setup_notify(struct ibm_struct *ibm)
1020 return -ENODEV; 1735 return -ENODEV;
1021 } 1736 }
1022 1737
1023 ibm->notify_installed = 1;
1024
1025 return 0; 1738 return 0;
1026} 1739}
1027 1740
1028static int ibmacpi_device_add(struct acpi_device *device) 1741static int __init ibm_device_add(struct acpi_device *device)
1029{ 1742{
1030 return 0; 1743 return 0;
1031} 1744}
1032 1745
1033static int register_driver(struct ibm_struct *ibm) 1746static int __init register_driver(struct ibm_struct *ibm)
1034{ 1747{
1035 int ret; 1748 int ret;
1036 1749
@@ -1043,7 +1756,7 @@ static int register_driver(struct ibm_struct *ibm)
1043 memset(ibm->driver, 0, sizeof(struct acpi_driver)); 1756 memset(ibm->driver, 0, sizeof(struct acpi_driver));
1044 sprintf(ibm->driver->name, "%s/%s", IBM_NAME, ibm->name); 1757 sprintf(ibm->driver->name, "%s/%s", IBM_NAME, ibm->name);
1045 ibm->driver->ids = ibm->hid; 1758 ibm->driver->ids = ibm->hid;
1046 ibm->driver->ops.add = &ibmacpi_device_add; 1759 ibm->driver->ops.add = &ibm_device_add;
1047 1760
1048 ret = acpi_bus_register_driver(ibm->driver); 1761 ret = acpi_bus_register_driver(ibm->driver);
1049 if (ret < 0) { 1762 if (ret < 0) {
@@ -1055,7 +1768,7 @@ static int register_driver(struct ibm_struct *ibm)
1055 return ret; 1768 return ret;
1056} 1769}
1057 1770
1058static int ibm_init(struct ibm_struct *ibm) 1771static int __init ibm_init(struct ibm_struct *ibm)
1059{ 1772{
1060 int ret; 1773 int ret;
1061 struct proc_dir_entry *entry; 1774 struct proc_dir_entry *entry;
@@ -1071,31 +1784,34 @@ static int ibm_init(struct ibm_struct *ibm)
1071 } 1784 }
1072 1785
1073 if (ibm->init) { 1786 if (ibm->init) {
1074 ret = ibm->init(ibm); 1787 ret = ibm->init();
1075 if (ret != 0) 1788 if (ret != 0)
1076 return ret; 1789 return ret;
1077 ibm->init_called = 1; 1790 ibm->init_called = 1;
1078 } 1791 }
1079 1792
1080 entry = create_proc_entry(ibm->name, S_IFREG | S_IRUGO | S_IWUSR, 1793 if (ibm->read) {
1081 proc_dir); 1794 entry = create_proc_entry(ibm->name,
1082 if (!entry) { 1795 S_IFREG | S_IRUGO | S_IWUSR,
1083 printk(IBM_ERR "unable to create proc entry %s\n", ibm->name); 1796 proc_dir);
1084 return -ENODEV; 1797 if (!entry) {
1085 } 1798 printk(IBM_ERR "unable to create proc entry %s\n",
1086 entry->owner = THIS_MODULE; 1799 ibm->name);
1087 ibm->proc_created = 1; 1800 return -ENODEV;
1088 1801 }
1089 entry->data = ibm; 1802 entry->owner = THIS_MODULE;
1090 if (ibm->read) 1803 entry->data = ibm;
1091 entry->read_proc = &dispatch_read; 1804 entry->read_proc = &dispatch_read;
1092 if (ibm->write) 1805 if (ibm->write)
1093 entry->write_proc = &dispatch_write; 1806 entry->write_proc = &dispatch_write;
1807 ibm->proc_created = 1;
1808 }
1094 1809
1095 if (ibm->notify) { 1810 if (ibm->notify) {
1096 ret = setup_notify(ibm); 1811 ret = setup_notify(ibm);
1097 if (ret < 0) 1812 if (ret < 0)
1098 return ret; 1813 return ret;
1814 ibm->notify_installed = 1;
1099 } 1815 }
1100 1816
1101 return 0; 1817 return 0;
@@ -1111,7 +1827,7 @@ static void ibm_exit(struct ibm_struct *ibm)
1111 remove_proc_entry(ibm->name, proc_dir); 1827 remove_proc_entry(ibm->name, proc_dir);
1112 1828
1113 if (ibm->init_called && ibm->exit) 1829 if (ibm->init_called && ibm->exit)
1114 ibm->exit(ibm); 1830 ibm->exit();
1115 1831
1116 if (ibm->driver_registered) { 1832 if (ibm->driver_registered) {
1117 acpi_bus_unregister_driver(ibm->driver); 1833 acpi_bus_unregister_driver(ibm->driver);
@@ -1119,60 +1835,66 @@ static void ibm_exit(struct ibm_struct *ibm)
1119 } 1835 }
1120} 1836}
1121 1837
1122static int ibm_handle_init(char *name, 1838static void __init ibm_handle_init(char *name,
1123 acpi_handle *handle, acpi_handle parent, 1839 acpi_handle * handle, acpi_handle parent,
1124 char **paths, int num_paths, int required) 1840 char **paths, int num_paths, char **path)
1125{ 1841{
1126 int i; 1842 int i;
1127 acpi_status status; 1843 acpi_status status;
1128 1844
1129 for (i=0; i<num_paths; i++) { 1845 for (i = 0; i < num_paths; i++) {
1130 status = acpi_get_handle(parent, paths[i], handle); 1846 status = acpi_get_handle(parent, paths[i], handle);
1131 if (ACPI_SUCCESS(status)) 1847 if (ACPI_SUCCESS(status)) {
1132 return 0; 1848 *path = paths[i];
1133 } 1849 return;
1134 1850 }
1135 *handle = NULL;
1136
1137 if (required) {
1138 printk(IBM_ERR "%s object not found\n", name);
1139 return -1;
1140 } 1851 }
1141 1852
1142 return 0; 1853 *handle = NULL;
1143} 1854}
1144 1855
1145#define IBM_HANDLE_INIT(object, required) \ 1856#define IBM_HANDLE_INIT(object) \
1146 ibm_handle_init(#object, &object##_handle, *object##_parent, \ 1857 ibm_handle_init(#object, &object##_handle, *object##_parent, \
1147 object##_paths, sizeof(object##_paths)/sizeof(char*), required) 1858 object##_paths, ARRAY_SIZE(object##_paths), &object##_path)
1148
1149 1859
1150static int set_ibm_param(const char *val, struct kernel_param *kp) 1860static int set_ibm_param(const char *val, struct kernel_param *kp)
1151{ 1861{
1152 unsigned int i; 1862 unsigned int i;
1153 char arg_with_comma[32];
1154
1155 if (strlen(val) > 30)
1156 return -ENOSPC;
1157 1863
1158 strcpy(arg_with_comma, val); 1864 for (i = 0; i < ARRAY_SIZE(ibms); i++)
1159 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 }
1160 1872
1161 for (i=0; i<NUM_IBMS; i++)
1162 if (strcmp(ibms[i].name, kp->name) == 0)
1163 return ibms[i].write(&ibms[i], arg_with_comma);
1164 BUG();
1165 return -EINVAL; 1873 return -EINVAL;
1166} 1874}
1167 1875
1168#define IBM_PARAM(feature) \ 1876#define IBM_PARAM(feature) \
1169 module_param_call(feature, set_ibm_param, NULL, NULL, 0) 1877 module_param_call(feature, set_ibm_param, NULL, NULL, 0)
1170 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
1171static void acpi_ibm_exit(void) 1893static void acpi_ibm_exit(void)
1172{ 1894{
1173 int i; 1895 int i;
1174 1896
1175 for (i=NUM_IBMS-1; i>=0; i--) 1897 for (i = ARRAY_SIZE(ibms) - 1; i >= 0; i--)
1176 ibm_exit(&ibms[i]); 1898 ibm_exit(&ibms[i]);
1177 1899
1178 remove_proc_entry(IBM_DIR, acpi_root_dir); 1900 remove_proc_entry(IBM_DIR, acpi_root_dir);
@@ -1185,30 +1907,40 @@ static int __init acpi_ibm_init(void)
1185 if (acpi_disabled) 1907 if (acpi_disabled)
1186 return -ENODEV; 1908 return -ENODEV;
1187 1909
1188 if (!acpi_specific_hotkey_enabled){ 1910 if (!acpi_specific_hotkey_enabled) {
1189 printk(IBM_ERR "Using generic hotkey driver\n"); 1911 printk(IBM_ERR "using generic hotkey driver\n");
1190 return -ENODEV;
1191 }
1192 /* these handles are required */
1193 if (IBM_HANDLE_INIT(ec, 1) < 0 ||
1194 IBM_HANDLE_INIT(hkey, 1) < 0 ||
1195 IBM_HANDLE_INIT(vid, 1) < 0 ||
1196 IBM_HANDLE_INIT(beep, 1) < 0)
1197 return -ENODEV; 1912 return -ENODEV;
1913 }
1198 1914
1199 /* these handles have alternatives */ 1915 /* ec is required because many other handles are relative to it */
1200 IBM_HANDLE_INIT(lght, 0); 1916 IBM_HANDLE_INIT(ec);
1201 if (IBM_HANDLE_INIT(cmos, !lght_handle) < 0) 1917 if (!ec_handle) {
1202 return -ENODEV; 1918 printk(IBM_ERR "ec object not found\n");
1203 IBM_HANDLE_INIT(sysl, 0);
1204 if (IBM_HANDLE_INIT(led, !sysl_handle) < 0)
1205 return -ENODEV; 1919 return -ENODEV;
1920 }
1206 1921
1207 /* these handles are not required */ 1922 /* these handles are not required */
1208 IBM_HANDLE_INIT(dock, 0); 1923 IBM_HANDLE_INIT(vid);
1209 IBM_HANDLE_INIT(bay, 0); 1924 IBM_HANDLE_INIT(vid2);
1210 IBM_HANDLE_INIT(bayej, 0); 1925 IBM_HANDLE_INIT(ledb);
1211 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);
1212 1944
1213 proc_dir = proc_mkdir(IBM_DIR, acpi_root_dir); 1945 proc_dir = proc_mkdir(IBM_DIR, acpi_root_dir);
1214 if (!proc_dir) { 1946 if (!proc_dir) {
@@ -1216,9 +1948,11 @@ static int __init acpi_ibm_init(void)
1216 return -ENODEV; 1948 return -ENODEV;
1217 } 1949 }
1218 proc_dir->owner = THIS_MODULE; 1950 proc_dir->owner = THIS_MODULE;
1219 1951
1220 for (i=0; i<NUM_IBMS; i++) { 1952 for (i = 0; i < ARRAY_SIZE(ibms); i++) {
1221 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);
1222 if (ret < 0) { 1956 if (ret < 0) {
1223 acpi_ibm_exit(); 1957 acpi_ibm_exit();
1224 return ret; 1958 return ret;
@@ -1230,17 +1964,3 @@ static int __init acpi_ibm_init(void)
1230 1964
1231module_init(acpi_ibm_init); 1965module_init(acpi_ibm_init);
1232module_exit(acpi_ibm_exit); 1966module_exit(acpi_ibm_exit);
1233
1234MODULE_AUTHOR("Borislav Deianov");
1235MODULE_DESCRIPTION(IBM_DESC);
1236MODULE_LICENSE("GPL");
1237
1238IBM_PARAM(hotkey);
1239IBM_PARAM(bluetooth);
1240IBM_PARAM(video);
1241IBM_PARAM(light);
1242IBM_PARAM(dock);
1243IBM_PARAM(bay);
1244IBM_PARAM(cmos);
1245IBM_PARAM(led);
1246IBM_PARAM(beep);
generated by cgit v1.2.2 (git 2.25.0) at 2024-12-25 04:16:05 -0500