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authorLen Brown <len.brown@intel.com>2007-04-28 23:16:59 -0400
committerLen Brown <len.brown@intel.com>2007-04-28 23:16:59 -0400
commit12a5a712123b81a8ba0bc486e2384a375c00f095 (patch)
tree99d4c9591f0ded05665dfbb7d0d0c7caf1278f59
parent14d21785885c018611efd8aa75a5c11eaea29087 (diff)
parent439a888885c584f7ac8536a43be80475f9eaed71 (diff)
Pull sbs into release branch
Diffstat
-rw-r--r--drivers/acpi/Kconfig3
-rw-r--r--drivers/acpi/Makefile2
-rw-r--r--drivers/acpi/i2c_ec.c403
-rw-r--r--drivers/acpi/i2c_ec.h23
-rw-r--r--drivers/acpi/sbs.c1291
5 files changed, 682 insertions, 1040 deletions
diff --git a/drivers/acpi/Kconfig b/drivers/acpi/Kconfig
index e905c950fd7b..139f41f033d8 100644
--- a/drivers/acpi/Kconfig
+++ b/drivers/acpi/Kconfig
@@ -351,11 +351,10 @@ config ACPI_HOTPLUG_MEMORY
351 351
352config ACPI_SBS 352config ACPI_SBS
353 tristate "Smart Battery System (EXPERIMENTAL)" 353 tristate "Smart Battery System (EXPERIMENTAL)"
354 depends on X86 && I2C 354 depends on X86
355 depends on EXPERIMENTAL 355 depends on EXPERIMENTAL
356 help 356 help
357 This driver adds support for the Smart Battery System. 357 This driver adds support for the Smart Battery System.
358 Depends on I2C (Device Drivers ---> I2C support)
359 A "Smart Battery" is quite old and quite rare compared 358 A "Smart Battery" is quite old and quite rare compared
360 to today's ACPI "Control Method" battery. 359 to today's ACPI "Control Method" battery.
361 360
diff --git a/drivers/acpi/Makefile b/drivers/acpi/Makefile
index b6266e79af00..d4336f1730e9 100644
--- a/drivers/acpi/Makefile
+++ b/drivers/acpi/Makefile
@@ -59,4 +59,4 @@ obj-$(CONFIG_ACPI_ASUS) += asus_acpi.o
59obj-$(CONFIG_ACPI_TOSHIBA) += toshiba_acpi.o 59obj-$(CONFIG_ACPI_TOSHIBA) += toshiba_acpi.o
60obj-$(CONFIG_ACPI_HOTPLUG_MEMORY) += acpi_memhotplug.o 60obj-$(CONFIG_ACPI_HOTPLUG_MEMORY) += acpi_memhotplug.o
61obj-y += cm_sbs.o 61obj-y += cm_sbs.o
62obj-$(CONFIG_ACPI_SBS) += i2c_ec.o sbs.o 62obj-$(CONFIG_ACPI_SBS) += sbs.o
diff --git a/drivers/acpi/i2c_ec.c b/drivers/acpi/i2c_ec.c
deleted file mode 100644
index acab4a481897..000000000000
--- a/drivers/acpi/i2c_ec.c
+++ /dev/null
@@ -1,403 +0,0 @@
1/*
2 * SMBus driver for ACPI Embedded Controller ($Revision: 1.3 $)
3 *
4 * Copyright (c) 2002, 2005 Ducrot Bruno
5 * Copyright (c) 2005 Rich Townsend (tiny hacks & tweaks)
6 *
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation version 2.
10 */
11
12#include <linux/version.h>
13#include <linux/module.h>
14#include <linux/slab.h>
15#include <linux/kernel.h>
16#include <linux/stddef.h>
17#include <linux/init.h>
18#include <linux/i2c.h>
19#include <linux/acpi.h>
20#include <linux/delay.h>
21
22#include "i2c_ec.h"
23
24#define xudelay(t) udelay(t)
25#define xmsleep(t) msleep(t)
26
27#define ACPI_EC_HC_COMPONENT 0x00080000
28#define ACPI_EC_HC_CLASS "ec_hc_smbus"
29#define ACPI_EC_HC_HID "ACPI0001"
30#define ACPI_EC_HC_DEVICE_NAME "EC HC smbus"
31
32#define _COMPONENT ACPI_EC_HC_COMPONENT
33
34ACPI_MODULE_NAME("i2c_ec");
35
36static int acpi_ec_hc_add(struct acpi_device *device);
37static int acpi_ec_hc_remove(struct acpi_device *device, int type);
38
39static struct acpi_driver acpi_ec_hc_driver = {
40 .name = "i2c_ec",
41 .class = ACPI_EC_HC_CLASS,
42 .ids = ACPI_EC_HC_HID,
43 .ops = {
44 .add = acpi_ec_hc_add,
45 .remove = acpi_ec_hc_remove,
46 },
47};
48
49/* Various bit mask for EC_SC (R) */
50#define OBF 0x01
51#define IBF 0x02
52#define CMD 0x08
53#define BURST 0x10
54#define SCI_EVT 0x20
55#define SMI_EVT 0x40
56
57/* Commands for EC_SC (W) */
58#define RD_EC 0x80
59#define WR_EC 0x81
60#define BE_EC 0x82
61#define BD_EC 0x83
62#define QR_EC 0x84
63
64/*
65 * ACPI 2.0 chapter 13 SMBus 2.0 EC register model
66 */
67
68#define ACPI_EC_SMB_PRTCL 0x00 /* protocol, PEC */
69#define ACPI_EC_SMB_STS 0x01 /* status */
70#define ACPI_EC_SMB_ADDR 0x02 /* address */
71#define ACPI_EC_SMB_CMD 0x03 /* command */
72#define ACPI_EC_SMB_DATA 0x04 /* 32 data registers */
73#define ACPI_EC_SMB_BCNT 0x24 /* number of data bytes */
74#define ACPI_EC_SMB_ALRM_A 0x25 /* alarm address */
75#define ACPI_EC_SMB_ALRM_D 0x26 /* 2 bytes alarm data */
76
77#define ACPI_EC_SMB_STS_DONE 0x80
78#define ACPI_EC_SMB_STS_ALRM 0x40
79#define ACPI_EC_SMB_STS_RES 0x20
80#define ACPI_EC_SMB_STS_STATUS 0x1f
81
82#define ACPI_EC_SMB_STATUS_OK 0x00
83#define ACPI_EC_SMB_STATUS_FAIL 0x07
84#define ACPI_EC_SMB_STATUS_DNAK 0x10
85#define ACPI_EC_SMB_STATUS_DERR 0x11
86#define ACPI_EC_SMB_STATUS_CMD_DENY 0x12
87#define ACPI_EC_SMB_STATUS_UNKNOWN 0x13
88#define ACPI_EC_SMB_STATUS_ACC_DENY 0x17
89#define ACPI_EC_SMB_STATUS_TIMEOUT 0x18
90#define ACPI_EC_SMB_STATUS_NOTSUP 0x19
91#define ACPI_EC_SMB_STATUS_BUSY 0x1A
92#define ACPI_EC_SMB_STATUS_PEC 0x1F
93
94#define ACPI_EC_SMB_PRTCL_WRITE 0x00
95#define ACPI_EC_SMB_PRTCL_READ 0x01
96#define ACPI_EC_SMB_PRTCL_QUICK 0x02
97#define ACPI_EC_SMB_PRTCL_BYTE 0x04
98#define ACPI_EC_SMB_PRTCL_BYTE_DATA 0x06
99#define ACPI_EC_SMB_PRTCL_WORD_DATA 0x08
100#define ACPI_EC_SMB_PRTCL_BLOCK_DATA 0x0a
101#define ACPI_EC_SMB_PRTCL_PROC_CALL 0x0c
102#define ACPI_EC_SMB_PRTCL_BLOCK_PROC_CALL 0x0d
103#define ACPI_EC_SMB_PRTCL_I2C_BLOCK_DATA 0x4a
104#define ACPI_EC_SMB_PRTCL_PEC 0x80
105
106/* Length of pre/post transaction sleep (msec) */
107#define ACPI_EC_SMB_TRANSACTION_SLEEP 1
108#define ACPI_EC_SMB_ACCESS_SLEEP1 1
109#define ACPI_EC_SMB_ACCESS_SLEEP2 10
110
111static int acpi_ec_smb_read(struct acpi_ec_smbus *smbus, u8 address, u8 * data)
112{
113 u8 val;
114 int err;
115
116 err = ec_read(smbus->base + address, &val);
117 if (!err) {
118 *data = val;
119 }
120 xmsleep(ACPI_EC_SMB_TRANSACTION_SLEEP);
121 return (err);
122}
123
124static int acpi_ec_smb_write(struct acpi_ec_smbus *smbus, u8 address, u8 data)
125{
126 int err;
127
128 err = ec_write(smbus->base + address, data);
129 return (err);
130}
131
132static int
133acpi_ec_smb_access(struct i2c_adapter *adap, u16 addr, unsigned short flags,
134 char read_write, u8 command, int size,
135 union i2c_smbus_data *data)
136{
137 struct acpi_ec_smbus *smbus = adap->algo_data;
138 unsigned char protocol, len = 0, pec, temp[2] = { 0, 0 };
139 int i;
140
141 if (read_write == I2C_SMBUS_READ) {
142 protocol = ACPI_EC_SMB_PRTCL_READ;
143 } else {
144 protocol = ACPI_EC_SMB_PRTCL_WRITE;
145 }
146 pec = (flags & I2C_CLIENT_PEC) ? ACPI_EC_SMB_PRTCL_PEC : 0;
147
148 switch (size) {
149
150 case I2C_SMBUS_QUICK:
151 protocol |= ACPI_EC_SMB_PRTCL_QUICK;
152 read_write = I2C_SMBUS_WRITE;
153 break;
154
155 case I2C_SMBUS_BYTE:
156 if (read_write == I2C_SMBUS_WRITE) {
157 acpi_ec_smb_write(smbus, ACPI_EC_SMB_DATA, data->byte);
158 }
159 protocol |= ACPI_EC_SMB_PRTCL_BYTE;
160 break;
161
162 case I2C_SMBUS_BYTE_DATA:
163 acpi_ec_smb_write(smbus, ACPI_EC_SMB_CMD, command);
164 if (read_write == I2C_SMBUS_WRITE) {
165 acpi_ec_smb_write(smbus, ACPI_EC_SMB_DATA, data->byte);
166 }
167 protocol |= ACPI_EC_SMB_PRTCL_BYTE_DATA;
168 break;
169
170 case I2C_SMBUS_WORD_DATA:
171 acpi_ec_smb_write(smbus, ACPI_EC_SMB_CMD, command);
172 if (read_write == I2C_SMBUS_WRITE) {
173 acpi_ec_smb_write(smbus, ACPI_EC_SMB_DATA, data->word);
174 acpi_ec_smb_write(smbus, ACPI_EC_SMB_DATA + 1,
175 data->word >> 8);
176 }
177 protocol |= ACPI_EC_SMB_PRTCL_WORD_DATA | pec;
178 break;
179
180 case I2C_SMBUS_BLOCK_DATA:
181 acpi_ec_smb_write(smbus, ACPI_EC_SMB_CMD, command);
182 if (read_write == I2C_SMBUS_WRITE) {
183 len = min_t(u8, data->block[0], 32);
184 acpi_ec_smb_write(smbus, ACPI_EC_SMB_BCNT, len);
185 for (i = 0; i < len; i++)
186 acpi_ec_smb_write(smbus, ACPI_EC_SMB_DATA + i,
187 data->block[i + 1]);
188 }
189 protocol |= ACPI_EC_SMB_PRTCL_BLOCK_DATA | pec;
190 break;
191
192 case I2C_SMBUS_I2C_BLOCK_DATA:
193 len = min_t(u8, data->block[0], 32);
194 acpi_ec_smb_write(smbus, ACPI_EC_SMB_CMD, command);
195 acpi_ec_smb_write(smbus, ACPI_EC_SMB_BCNT, len);
196 if (read_write == I2C_SMBUS_WRITE) {
197 for (i = 0; i < len; i++) {
198 acpi_ec_smb_write(smbus, ACPI_EC_SMB_DATA + i,
199 data->block[i + 1]);
200 }
201 }
202 protocol |= ACPI_EC_SMB_PRTCL_I2C_BLOCK_DATA;
203 break;
204
205 case I2C_SMBUS_PROC_CALL:
206 acpi_ec_smb_write(smbus, ACPI_EC_SMB_CMD, command);
207 acpi_ec_smb_write(smbus, ACPI_EC_SMB_DATA, data->word);
208 acpi_ec_smb_write(smbus, ACPI_EC_SMB_DATA + 1, data->word >> 8);
209 protocol = ACPI_EC_SMB_PRTCL_PROC_CALL | pec;
210 read_write = I2C_SMBUS_READ;
211 break;
212
213 case I2C_SMBUS_BLOCK_PROC_CALL:
214 protocol |= pec;
215 len = min_t(u8, data->block[0], 31);
216 acpi_ec_smb_write(smbus, ACPI_EC_SMB_CMD, command);
217 acpi_ec_smb_write(smbus, ACPI_EC_SMB_BCNT, len);
218 for (i = 0; i < len; i++)
219 acpi_ec_smb_write(smbus, ACPI_EC_SMB_DATA + i,
220 data->block[i + 1]);
221 protocol = ACPI_EC_SMB_PRTCL_BLOCK_PROC_CALL | pec;
222 read_write = I2C_SMBUS_READ;
223 break;
224
225 default:
226 ACPI_DEBUG_PRINT((ACPI_DB_WARN, "EC SMBus adapter: "
227 "Unsupported transaction %d\n", size));
228 return (-1);
229 }
230
231 acpi_ec_smb_write(smbus, ACPI_EC_SMB_ADDR, addr << 1);
232 acpi_ec_smb_write(smbus, ACPI_EC_SMB_PRTCL, protocol);
233
234 acpi_ec_smb_read(smbus, ACPI_EC_SMB_STS, temp + 0);
235
236 if (~temp[0] & ACPI_EC_SMB_STS_DONE) {
237 xudelay(500);
238 acpi_ec_smb_read(smbus, ACPI_EC_SMB_STS, temp + 0);
239 }
240 if (~temp[0] & ACPI_EC_SMB_STS_DONE) {
241 xmsleep(ACPI_EC_SMB_ACCESS_SLEEP2);
242 acpi_ec_smb_read(smbus, ACPI_EC_SMB_STS, temp + 0);
243 }
244 if ((~temp[0] & ACPI_EC_SMB_STS_DONE)
245 || (temp[0] & ACPI_EC_SMB_STS_STATUS)) {
246 return (-1);
247 }
248
249 if (read_write == I2C_SMBUS_WRITE) {
250 return (0);
251 }
252
253 switch (size) {
254
255 case I2C_SMBUS_BYTE:
256 case I2C_SMBUS_BYTE_DATA:
257 acpi_ec_smb_read(smbus, ACPI_EC_SMB_DATA, &data->byte);
258 break;
259
260 case I2C_SMBUS_WORD_DATA:
261 case I2C_SMBUS_PROC_CALL:
262 acpi_ec_smb_read(smbus, ACPI_EC_SMB_DATA, temp + 0);
263 acpi_ec_smb_read(smbus, ACPI_EC_SMB_DATA + 1, temp + 1);
264 data->word = (temp[1] << 8) | temp[0];
265 break;
266
267 case I2C_SMBUS_BLOCK_DATA:
268 case I2C_SMBUS_BLOCK_PROC_CALL:
269 len = 0;
270 acpi_ec_smb_read(smbus, ACPI_EC_SMB_BCNT, &len);
271 len = min_t(u8, len, 32);
272 case I2C_SMBUS_I2C_BLOCK_DATA:
273 for (i = 0; i < len; i++)
274 acpi_ec_smb_read(smbus, ACPI_EC_SMB_DATA + i,
275 data->block + i + 1);
276 data->block[0] = len;
277 break;
278 }
279
280 return (0);
281}
282
283static u32 acpi_ec_smb_func(struct i2c_adapter *adapter)
284{
285
286 return (I2C_FUNC_SMBUS_QUICK | I2C_FUNC_SMBUS_BYTE |
287 I2C_FUNC_SMBUS_BYTE_DATA | I2C_FUNC_SMBUS_WORD_DATA |
288 I2C_FUNC_SMBUS_BLOCK_DATA |
289 I2C_FUNC_SMBUS_PROC_CALL |
290 I2C_FUNC_SMBUS_BLOCK_PROC_CALL |
291 I2C_FUNC_SMBUS_I2C_BLOCK | I2C_FUNC_SMBUS_HWPEC_CALC);
292}
293
294static const struct i2c_algorithm acpi_ec_smbus_algorithm = {
295 .smbus_xfer = acpi_ec_smb_access,
296 .functionality = acpi_ec_smb_func,
297};
298
299static int acpi_ec_hc_add(struct acpi_device *device)
300{
301 int status;
302 unsigned long val;
303 struct acpi_ec_hc *ec_hc;
304 struct acpi_ec_smbus *smbus;
305
306 if (!device) {
307 return -EINVAL;
308 }
309
310 ec_hc = kzalloc(sizeof(struct acpi_ec_hc), GFP_KERNEL);
311 if (!ec_hc) {
312 return -ENOMEM;
313 }
314
315 smbus = kzalloc(sizeof(struct acpi_ec_smbus), GFP_KERNEL);
316 if (!smbus) {
317 kfree(ec_hc);
318 return -ENOMEM;
319 }
320
321 ec_hc->handle = device->handle;
322 strcpy(acpi_device_name(device), ACPI_EC_HC_DEVICE_NAME);
323 strcpy(acpi_device_class(device), ACPI_EC_HC_CLASS);
324 acpi_driver_data(device) = ec_hc;
325
326 status = acpi_evaluate_integer(ec_hc->handle, "_EC", NULL, &val);
327 if (ACPI_FAILURE(status)) {
328 ACPI_DEBUG_PRINT((ACPI_DB_WARN, "Error obtaining _EC\n"));
329 kfree(ec_hc);
330 kfree(smbus);
331 return -EIO;
332 }
333
334 smbus->ec = acpi_driver_data(device->parent);
335 smbus->base = (val & 0xff00ull) >> 8;
336 smbus->alert = val & 0xffull;
337
338 smbus->adapter.owner = THIS_MODULE;
339 smbus->adapter.algo = &acpi_ec_smbus_algorithm;
340 smbus->adapter.algo_data = smbus;
341 smbus->adapter.dev.parent = &device->dev;
342
343 if (i2c_add_adapter(&smbus->adapter)) {
344 ACPI_DEBUG_PRINT((ACPI_DB_WARN,
345 "EC SMBus adapter: Failed to register adapter\n"));
346 kfree(smbus);
347 kfree(ec_hc);
348 return -EIO;
349 }
350
351 ec_hc->smbus = smbus;
352
353 printk(KERN_INFO PREFIX "%s [%s]\n",
354 acpi_device_name(device), acpi_device_bid(device));
355
356 return AE_OK;
357}
358
359static int acpi_ec_hc_remove(struct acpi_device *device, int type)
360{
361 struct acpi_ec_hc *ec_hc;
362
363 if (!device) {
364 return -EINVAL;
365 }
366 ec_hc = acpi_driver_data(device);
367
368 i2c_del_adapter(&ec_hc->smbus->adapter);
369 kfree(ec_hc->smbus);
370 kfree(ec_hc);
371
372 return AE_OK;
373}
374
375static int __init acpi_ec_hc_init(void)
376{
377 int result;
378
379 result = acpi_bus_register_driver(&acpi_ec_hc_driver);
380 if (result < 0) {
381 return -ENODEV;
382 }
383 return 0;
384}
385
386static void __exit acpi_ec_hc_exit(void)
387{
388 acpi_bus_unregister_driver(&acpi_ec_hc_driver);
389}
390
391struct acpi_ec_hc *acpi_get_ec_hc(struct acpi_device *device)
392{
393 return acpi_driver_data(device->parent);
394}
395
396EXPORT_SYMBOL(acpi_get_ec_hc);
397
398module_init(acpi_ec_hc_init);
399module_exit(acpi_ec_hc_exit);
400
401MODULE_LICENSE("GPL");
402MODULE_AUTHOR("Ducrot Bruno");
403MODULE_DESCRIPTION("ACPI EC SMBus driver");
diff --git a/drivers/acpi/i2c_ec.h b/drivers/acpi/i2c_ec.h
deleted file mode 100644
index 7c53fb732d61..000000000000
--- a/drivers/acpi/i2c_ec.h
+++ /dev/null
@@ -1,23 +0,0 @@
1/*
2 * SMBus driver for ACPI Embedded Controller ($Revision: 1.2 $)
3 *
4 * Copyright (c) 2002, 2005 Ducrot Bruno
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation version 2.
9 */
10
11struct acpi_ec_smbus {
12 struct i2c_adapter adapter;
13 union acpi_ec *ec;
14 int base;
15 int alert;
16};
17
18struct acpi_ec_hc {
19 acpi_handle handle;
20 struct acpi_ec_smbus *smbus;
21};
22
23struct acpi_ec_hc *acpi_get_ec_hc(struct acpi_device *device);
diff --git a/drivers/acpi/sbs.c b/drivers/acpi/sbs.c
index 59640d9a0acc..c1bae106833c 100644
--- a/drivers/acpi/sbs.c
+++ b/drivers/acpi/sbs.c
@@ -30,30 +30,10 @@
30#include <linux/seq_file.h> 30#include <linux/seq_file.h>
31#include <asm/uaccess.h> 31#include <asm/uaccess.h>
32#include <linux/acpi.h> 32#include <linux/acpi.h>
33#include <linux/i2c.h> 33#include <linux/timer.h>
34#include <linux/jiffies.h>
34#include <linux/delay.h> 35#include <linux/delay.h>
35 36
36#include "i2c_ec.h"
37
38#define DEF_CAPACITY_UNIT 3
39#define MAH_CAPACITY_UNIT 1
40#define MWH_CAPACITY_UNIT 2
41#define CAPACITY_UNIT DEF_CAPACITY_UNIT
42
43#define REQUEST_UPDATE_MODE 1
44#define QUEUE_UPDATE_MODE 2
45
46#define DATA_TYPE_COMMON 0
47#define DATA_TYPE_INFO 1
48#define DATA_TYPE_STATE 2
49#define DATA_TYPE_ALARM 3
50#define DATA_TYPE_AC_STATE 4
51
52extern struct proc_dir_entry *acpi_lock_ac_dir(void);
53extern struct proc_dir_entry *acpi_lock_battery_dir(void);
54extern void acpi_unlock_ac_dir(struct proc_dir_entry *acpi_ac_dir);
55extern void acpi_unlock_battery_dir(struct proc_dir_entry *acpi_battery_dir);
56
57#define ACPI_SBS_COMPONENT 0x00080000 37#define ACPI_SBS_COMPONENT 0x00080000
58#define ACPI_SBS_CLASS "sbs" 38#define ACPI_SBS_CLASS "sbs"
59#define ACPI_AC_CLASS "ac_adapter" 39#define ACPI_AC_CLASS "ac_adapter"
@@ -74,39 +54,75 @@ extern void acpi_unlock_battery_dir(struct proc_dir_entry *acpi_battery_dir);
74 54
75#define _COMPONENT ACPI_SBS_COMPONENT 55#define _COMPONENT ACPI_SBS_COMPONENT
76 56
77#define MAX_SBS_BAT 4
78#define MAX_SMBUS_ERR 1
79
80ACPI_MODULE_NAME("sbs"); 57ACPI_MODULE_NAME("sbs");
81 58
82MODULE_AUTHOR("Rich Townsend"); 59MODULE_AUTHOR("Rich Townsend");
83MODULE_DESCRIPTION("Smart Battery System ACPI interface driver"); 60MODULE_DESCRIPTION("Smart Battery System ACPI interface driver");
84MODULE_LICENSE("GPL"); 61MODULE_LICENSE("GPL");
85 62
86static struct semaphore sbs_sem; 63#define xmsleep(t) msleep(t)
64
65#define ACPI_EC_SMB_PRTCL 0x00 /* protocol, PEC */
66
67#define ACPI_EC_SMB_STS 0x01 /* status */
68#define ACPI_EC_SMB_ADDR 0x02 /* address */
69#define ACPI_EC_SMB_CMD 0x03 /* command */
70#define ACPI_EC_SMB_DATA 0x04 /* 32 data registers */
71#define ACPI_EC_SMB_BCNT 0x24 /* number of data bytes */
87 72
88#define UPDATE_MODE QUEUE_UPDATE_MODE 73#define ACPI_EC_SMB_STS_DONE 0x80
89/* REQUEST_UPDATE_MODE QUEUE_UPDATE_MODE */ 74#define ACPI_EC_SMB_STS_STATUS 0x1f
90#define UPDATE_INFO_MODE 0
91#define UPDATE_TIME 60
92#define UPDATE_TIME2 0
93 75
94static int capacity_mode = CAPACITY_UNIT; 76#define ACPI_EC_SMB_PRTCL_WRITE 0x00
95static int update_mode = UPDATE_MODE; 77#define ACPI_EC_SMB_PRTCL_READ 0x01
96static int update_info_mode = UPDATE_INFO_MODE; 78#define ACPI_EC_SMB_PRTCL_WORD_DATA 0x08
97static int update_time = UPDATE_TIME; 79#define ACPI_EC_SMB_PRTCL_BLOCK_DATA 0x0a
98static int update_time2 = UPDATE_TIME2;
99 80
100module_param(capacity_mode, int, 0); 81#define ACPI_EC_SMB_TRANSACTION_SLEEP 1
101module_param(update_mode, int, 0); 82#define ACPI_EC_SMB_ACCESS_SLEEP1 1
102module_param(update_info_mode, int, 0); 83#define ACPI_EC_SMB_ACCESS_SLEEP2 10
103module_param(update_time, int, 0); 84
104module_param(update_time2, int, 0); 85#define DEF_CAPACITY_UNIT 3
86#define MAH_CAPACITY_UNIT 1
87#define MWH_CAPACITY_UNIT 2
88#define CAPACITY_UNIT DEF_CAPACITY_UNIT
89
90#define REQUEST_UPDATE_MODE 1
91#define QUEUE_UPDATE_MODE 2
92
93#define DATA_TYPE_COMMON 0
94#define DATA_TYPE_INFO 1
95#define DATA_TYPE_STATE 2
96#define DATA_TYPE_ALARM 3
97#define DATA_TYPE_AC_STATE 4
98
99extern struct proc_dir_entry *acpi_lock_ac_dir(void);
100extern struct proc_dir_entry *acpi_lock_battery_dir(void);
101extern void acpi_unlock_ac_dir(struct proc_dir_entry *acpi_ac_dir);
102extern void acpi_unlock_battery_dir(struct proc_dir_entry *acpi_battery_dir);
103
104#define MAX_SBS_BAT 4
105#define ACPI_SBS_BLOCK_MAX 32
106
107#define ACPI_SBS_SMBUS_READ 1
108#define ACPI_SBS_SMBUS_WRITE 2
109
110#define ACPI_SBS_WORD_DATA 1
111#define ACPI_SBS_BLOCK_DATA 2
112
113#define UPDATE_DELAY 10
114
115/* 0 - every time, > 0 - by update_time */
116static unsigned int update_time = 120;
117
118static unsigned int capacity_mode = CAPACITY_UNIT;
119
120module_param(update_time, uint, 0644);
121module_param(capacity_mode, uint, 0444);
105 122
106static int acpi_sbs_add(struct acpi_device *device); 123static int acpi_sbs_add(struct acpi_device *device);
107static int acpi_sbs_remove(struct acpi_device *device, int type); 124static int acpi_sbs_remove(struct acpi_device *device, int type);
108static void acpi_battery_smbus_err_handler(struct acpi_ec_smbus *smbus); 125static int acpi_sbs_resume(struct acpi_device *device);
109static void acpi_sbs_update_queue(void *data);
110 126
111static struct acpi_driver acpi_sbs_driver = { 127static struct acpi_driver acpi_sbs_driver = {
112 .name = "sbs", 128 .name = "sbs",
@@ -115,9 +131,14 @@ static struct acpi_driver acpi_sbs_driver = {
115 .ops = { 131 .ops = {
116 .add = acpi_sbs_add, 132 .add = acpi_sbs_add,
117 .remove = acpi_sbs_remove, 133 .remove = acpi_sbs_remove,
134 .resume = acpi_sbs_resume,
118 }, 135 },
119}; 136};
120 137
138struct acpi_ac {
139 int ac_present;
140};
141
121struct acpi_battery_info { 142struct acpi_battery_info {
122 int capacity_mode; 143 int capacity_mode;
123 s16 full_charge_capacity; 144 s16 full_charge_capacity;
@@ -126,18 +147,16 @@ struct acpi_battery_info {
126 int vscale; 147 int vscale;
127 int ipscale; 148 int ipscale;
128 s16 serial_number; 149 s16 serial_number;
129 char manufacturer_name[I2C_SMBUS_BLOCK_MAX + 3]; 150 char manufacturer_name[ACPI_SBS_BLOCK_MAX + 3];
130 char device_name[I2C_SMBUS_BLOCK_MAX + 3]; 151 char device_name[ACPI_SBS_BLOCK_MAX + 3];
131 char device_chemistry[I2C_SMBUS_BLOCK_MAX + 3]; 152 char device_chemistry[ACPI_SBS_BLOCK_MAX + 3];
132}; 153};
133 154
134struct acpi_battery_state { 155struct acpi_battery_state {
135 s16 voltage; 156 s16 voltage;
136 s16 amperage; 157 s16 amperage;
137 s16 remaining_capacity; 158 s16 remaining_capacity;
138 s16 average_time_to_empty; 159 s16 battery_state;
139 s16 average_time_to_full;
140 s16 battery_status;
141}; 160};
142 161
143struct acpi_battery_alarm { 162struct acpi_battery_alarm {
@@ -146,9 +165,9 @@ struct acpi_battery_alarm {
146 165
147struct acpi_battery { 166struct acpi_battery {
148 int alive; 167 int alive;
149 int battery_present;
150 int id; 168 int id;
151 int init_state; 169 int init_state;
170 int battery_present;
152 struct acpi_sbs *sbs; 171 struct acpi_sbs *sbs;
153 struct acpi_battery_info info; 172 struct acpi_battery_info info;
154 struct acpi_battery_state state; 173 struct acpi_battery_state state;
@@ -158,186 +177,251 @@ struct acpi_battery {
158 177
159struct acpi_sbs { 178struct acpi_sbs {
160 acpi_handle handle; 179 acpi_handle handle;
180 int base;
161 struct acpi_device *device; 181 struct acpi_device *device;
162 struct acpi_ec_smbus *smbus; 182 struct acpi_ec_smbus *smbus;
183 struct mutex mutex;
163 int sbsm_present; 184 int sbsm_present;
164 int sbsm_batteries_supported; 185 int sbsm_batteries_supported;
165 int ac_present;
166 struct proc_dir_entry *ac_entry; 186 struct proc_dir_entry *ac_entry;
187 struct acpi_ac ac;
167 struct acpi_battery battery[MAX_SBS_BAT]; 188 struct acpi_battery battery[MAX_SBS_BAT];
168 int update_info_mode;
169 int zombie; 189 int zombie;
170 int update_time;
171 int update_time2;
172 struct timer_list update_timer; 190 struct timer_list update_timer;
191 int run_cnt;
192 int update_proc_flg;
173}; 193};
174 194
175static void acpi_update_delay(struct acpi_sbs *sbs); 195static int acpi_sbs_update_run(struct acpi_sbs *sbs, int id, int data_type);
176static int acpi_sbs_update_run(struct acpi_sbs *sbs, int data_type); 196static void acpi_sbs_update_time(void *data);
197
198union sbs_rw_data {
199 u16 word;
200 u8 block[ACPI_SBS_BLOCK_MAX + 2];
201};
202
203static int acpi_ec_sbs_access(struct acpi_sbs *sbs, u16 addr,
204 char read_write, u8 command, int size,
205 union sbs_rw_data *data);
177 206
178/* -------------------------------------------------------------------------- 207/* --------------------------------------------------------------------------
179 SMBus Communication 208 SMBus Communication
180 -------------------------------------------------------------------------- */ 209 -------------------------------------------------------------------------- */
181 210
182static void acpi_battery_smbus_err_handler(struct acpi_ec_smbus *smbus) 211static int acpi_ec_sbs_read(struct acpi_sbs *sbs, u8 address, u8 * data)
183{ 212{
184 union i2c_smbus_data data; 213 u8 val;
185 int result = 0; 214 int err;
186 char *err_str;
187 int err_number;
188 215
189 data.word = 0; 216 err = ec_read(sbs->base + address, &val);
217 if (!err) {
218 *data = val;
219 }
220 xmsleep(ACPI_EC_SMB_TRANSACTION_SLEEP);
221 return (err);
222}
190 223
191 result = smbus->adapter.algo-> 224static int acpi_ec_sbs_write(struct acpi_sbs *sbs, u8 address, u8 data)
192 smbus_xfer(&smbus->adapter, 225{
193 ACPI_SB_SMBUS_ADDR, 226 int err;
194 0, I2C_SMBUS_READ, 0x16, I2C_SMBUS_BLOCK_DATA, &data);
195 227
196 err_number = (data.word & 0x000f); 228 err = ec_write(sbs->base + address, data);
229 return (err);
230}
197 231
198 switch (data.word & 0x000f) { 232static int
199 case 0x0000: 233acpi_ec_sbs_access(struct acpi_sbs *sbs, u16 addr,
200 err_str = "unexpected bus error"; 234 char read_write, u8 command, int size,
201 break; 235 union sbs_rw_data *data)
202 case 0x0001: 236{
203 err_str = "busy"; 237 unsigned char protocol, len = 0, temp[2] = { 0, 0 };
204 break; 238 int i;
205 case 0x0002: 239
206 err_str = "reserved command"; 240 if (read_write == ACPI_SBS_SMBUS_READ) {
207 break; 241 protocol = ACPI_EC_SMB_PRTCL_READ;
208 case 0x0003: 242 } else {
209 err_str = "unsupported command"; 243 protocol = ACPI_EC_SMB_PRTCL_WRITE;
210 break; 244 }
211 case 0x0004: 245
212 err_str = "access denied"; 246 switch (size) {
247
248 case ACPI_SBS_WORD_DATA:
249 acpi_ec_sbs_write(sbs, ACPI_EC_SMB_CMD, command);
250 if (read_write == ACPI_SBS_SMBUS_WRITE) {
251 acpi_ec_sbs_write(sbs, ACPI_EC_SMB_DATA, data->word);
252 acpi_ec_sbs_write(sbs, ACPI_EC_SMB_DATA + 1,
253 data->word >> 8);
254 }
255 protocol |= ACPI_EC_SMB_PRTCL_WORD_DATA;
213 break; 256 break;
214 case 0x0005: 257 case ACPI_SBS_BLOCK_DATA:
215 err_str = "overflow/underflow"; 258 acpi_ec_sbs_write(sbs, ACPI_EC_SMB_CMD, command);
259 if (read_write == ACPI_SBS_SMBUS_WRITE) {
260 len = min_t(u8, data->block[0], 32);
261 acpi_ec_sbs_write(sbs, ACPI_EC_SMB_BCNT, len);
262 for (i = 0; i < len; i++)
263 acpi_ec_sbs_write(sbs, ACPI_EC_SMB_DATA + i,
264 data->block[i + 1]);
265 }
266 protocol |= ACPI_EC_SMB_PRTCL_BLOCK_DATA;
216 break; 267 break;
217 case 0x0006: 268 default:
218 err_str = "bad size"; 269 ACPI_EXCEPTION((AE_INFO, AE_ERROR,
270 "unsupported transaction %d", size));
271 return (-1);
272 }
273
274 acpi_ec_sbs_write(sbs, ACPI_EC_SMB_ADDR, addr << 1);
275 acpi_ec_sbs_write(sbs, ACPI_EC_SMB_PRTCL, protocol);
276
277 acpi_ec_sbs_read(sbs, ACPI_EC_SMB_STS, temp);
278
279 if (~temp[0] & ACPI_EC_SMB_STS_DONE) {
280 xmsleep(ACPI_EC_SMB_ACCESS_SLEEP1);
281 acpi_ec_sbs_read(sbs, ACPI_EC_SMB_STS, temp);
282 }
283 if (~temp[0] & ACPI_EC_SMB_STS_DONE) {
284 xmsleep(ACPI_EC_SMB_ACCESS_SLEEP2);
285 acpi_ec_sbs_read(sbs, ACPI_EC_SMB_STS, temp);
286 }
287 if ((~temp[0] & ACPI_EC_SMB_STS_DONE)
288 || (temp[0] & ACPI_EC_SMB_STS_STATUS)) {
289 ACPI_EXCEPTION((AE_INFO, AE_ERROR,
290 "transaction %d error", size));
291 return (-1);
292 }
293
294 if (read_write == ACPI_SBS_SMBUS_WRITE) {
295 return (0);
296 }
297
298 switch (size) {
299
300 case ACPI_SBS_WORD_DATA:
301 acpi_ec_sbs_read(sbs, ACPI_EC_SMB_DATA, temp);
302 acpi_ec_sbs_read(sbs, ACPI_EC_SMB_DATA + 1, temp + 1);
303 data->word = (temp[1] << 8) | temp[0];
219 break; 304 break;
220 case 0x0007: 305
221 err_str = "unknown error"; 306 case ACPI_SBS_BLOCK_DATA:
307 len = 0;
308 acpi_ec_sbs_read(sbs, ACPI_EC_SMB_BCNT, &len);
309 len = min_t(u8, len, 32);
310 for (i = 0; i < len; i++)
311 acpi_ec_sbs_read(sbs, ACPI_EC_SMB_DATA + i,
312 data->block + i + 1);
313 data->block[0] = len;
222 break; 314 break;
223 default: 315 default:
224 err_str = "unrecognized error"; 316 ACPI_EXCEPTION((AE_INFO, AE_ERROR,
317 "unsupported transaction %d", size));
318 return (-1);
225 } 319 }
226 ACPI_DEBUG_PRINT((ACPI_DB_ERROR, 320
227 "%s: ret %i, err %i\n", err_str, result, err_number)); 321 return (0);
228} 322}
229 323
230static int 324static int
231acpi_sbs_smbus_read_word(struct acpi_ec_smbus *smbus, int addr, int func, 325acpi_sbs_read_word(struct acpi_sbs *sbs, int addr, int func, u16 * word)
232 u16 * word,
233 void (*err_handler) (struct acpi_ec_smbus * smbus))
234{ 326{
235 union i2c_smbus_data data; 327 union sbs_rw_data data;
236 int result = 0; 328 int result = 0;
237 int i;
238 329
239 if (err_handler == NULL) { 330 result = acpi_ec_sbs_access(sbs, addr,
240 err_handler = acpi_battery_smbus_err_handler; 331 ACPI_SBS_SMBUS_READ, func,
241 } 332 ACPI_SBS_WORD_DATA, &data);
242 333 if (result) {
243 for (i = 0; i < MAX_SMBUS_ERR; i++) { 334 ACPI_EXCEPTION((AE_INFO, AE_ERROR,
244 result = 335 "acpi_ec_sbs_access() failed"));
245 smbus->adapter.algo->smbus_xfer(&smbus->adapter, addr, 0, 336 } else {
246 I2C_SMBUS_READ, func, 337 *word = data.word;
247 I2C_SMBUS_WORD_DATA, &data);
248 if (result) {
249 ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
250 "try %i: smbus->adapter.algo->smbus_xfer() failed\n",
251 i));
252 if (err_handler) {
253 err_handler(smbus);
254 }
255 } else {
256 *word = data.word;
257 break;
258 }
259 } 338 }
260 339
261 return result; 340 return result;
262} 341}
263 342
264static int 343static int
265acpi_sbs_smbus_read_str(struct acpi_ec_smbus *smbus, int addr, int func, 344acpi_sbs_read_str(struct acpi_sbs *sbs, int addr, int func, char *str)
266 char *str,
267 void (*err_handler) (struct acpi_ec_smbus * smbus))
268{ 345{
269 union i2c_smbus_data data; 346 union sbs_rw_data data;
270 int result = 0; 347 int result = 0;
271 int i;
272
273 if (err_handler == NULL) {
274 err_handler = acpi_battery_smbus_err_handler;
275 }
276 348
277 for (i = 0; i < MAX_SMBUS_ERR; i++) { 349 result = acpi_ec_sbs_access(sbs, addr,
278 result = 350 ACPI_SBS_SMBUS_READ, func,
279 smbus->adapter.algo->smbus_xfer(&smbus->adapter, addr, 0, 351 ACPI_SBS_BLOCK_DATA, &data);
280 I2C_SMBUS_READ, func, 352 if (result) {
281 I2C_SMBUS_BLOCK_DATA, 353 ACPI_EXCEPTION((AE_INFO, AE_ERROR,
282 &data); 354 "acpi_ec_sbs_access() failed"));
283 if (result) { 355 } else {
284 ACPI_DEBUG_PRINT((ACPI_DB_ERROR, 356 strncpy(str, (const char *)data.block + 1, data.block[0]);
285 "try %i: smbus->adapter.algo->smbus_xfer() failed\n", 357 str[data.block[0]] = 0;
286 i));
287 if (err_handler) {
288 err_handler(smbus);
289 }
290 } else {
291 strncpy(str, (const char *)data.block + 1,
292 data.block[0]);
293 str[data.block[0]] = 0;
294 break;
295 }
296 } 358 }
297 359
298 return result; 360 return result;
299} 361}
300 362
301static int 363static int
302acpi_sbs_smbus_write_word(struct acpi_ec_smbus *smbus, int addr, int func, 364acpi_sbs_write_word(struct acpi_sbs *sbs, int addr, int func, int word)
303 int word,
304 void (*err_handler) (struct acpi_ec_smbus * smbus))
305{ 365{
306 union i2c_smbus_data data; 366 union sbs_rw_data data;
307 int result = 0; 367 int result = 0;
308 int i;
309
310 if (err_handler == NULL) {
311 err_handler = acpi_battery_smbus_err_handler;
312 }
313 368
314 data.word = word; 369 data.word = word;
315 370
316 for (i = 0; i < MAX_SMBUS_ERR; i++) { 371 result = acpi_ec_sbs_access(sbs, addr,
317 result = 372 ACPI_SBS_SMBUS_WRITE, func,
318 smbus->adapter.algo->smbus_xfer(&smbus->adapter, addr, 0, 373 ACPI_SBS_WORD_DATA, &data);
319 I2C_SMBUS_WRITE, func, 374 if (result) {
320 I2C_SMBUS_WORD_DATA, &data); 375 ACPI_EXCEPTION((AE_INFO, AE_ERROR,
321 if (result) { 376 "acpi_ec_sbs_access() failed"));
322 ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
323 "try %i: smbus->adapter.algo"
324 "->smbus_xfer() failed\n", i));
325 if (err_handler) {
326 err_handler(smbus);
327 }
328 } else {
329 break;
330 }
331 } 377 }
332 378
333 return result; 379 return result;
334} 380}
335 381
382static int sbs_zombie(struct acpi_sbs *sbs)
383{
384 return (sbs->zombie);
385}
386
387static int sbs_mutex_lock(struct acpi_sbs *sbs)
388{
389 if (sbs_zombie(sbs)) {
390 return -ENODEV;
391 }
392 mutex_lock(&sbs->mutex);
393 return 0;
394}
395
396static void sbs_mutex_unlock(struct acpi_sbs *sbs)
397{
398 mutex_unlock(&sbs->mutex);
399}
400
336/* -------------------------------------------------------------------------- 401/* --------------------------------------------------------------------------
337 Smart Battery System Management 402 Smart Battery System Management
338 -------------------------------------------------------------------------- */ 403 -------------------------------------------------------------------------- */
339 404
340/* Smart Battery */ 405static int acpi_check_update_proc(struct acpi_sbs *sbs)
406{
407 acpi_status status = AE_OK;
408
409 if (update_time == 0) {
410 sbs->update_proc_flg = 0;
411 return 0;
412 }
413 if (sbs->update_proc_flg == 0) {
414 status = acpi_os_execute(OSL_GPE_HANDLER,
415 acpi_sbs_update_time, sbs);
416 if (status != AE_OK) {
417 ACPI_EXCEPTION((AE_INFO, status,
418 "acpi_os_execute() failed"));
419 return 1;
420 }
421 sbs->update_proc_flg = 1;
422 }
423 return 0;
424}
341 425
342static int acpi_sbs_generate_event(struct acpi_device *device, 426static int acpi_sbs_generate_event(struct acpi_device *device,
343 int event, int state, char *bid, char *class) 427 int event, int state, char *bid, char *class)
@@ -366,12 +450,11 @@ static int acpi_battery_get_present(struct acpi_battery *battery)
366 int result = 0; 450 int result = 0;
367 int is_present = 0; 451 int is_present = 0;
368 452
369 result = acpi_sbs_smbus_read_word(battery->sbs->smbus, 453 result = acpi_sbs_read_word(battery->sbs,
370 ACPI_SBSM_SMBUS_ADDR, 0x01, 454 ACPI_SBSM_SMBUS_ADDR, 0x01, &state);
371 &state, NULL);
372 if (result) { 455 if (result) {
373 ACPI_DEBUG_PRINT((ACPI_DB_ERROR, 456 ACPI_EXCEPTION((AE_INFO, AE_ERROR,
374 "acpi_sbs_smbus_read_word() failed")); 457 "acpi_sbs_read_word() failed"));
375 } 458 }
376 if (!result) { 459 if (!result) {
377 is_present = (state & 0x000f) & (1 << battery->id); 460 is_present = (state & 0x000f) & (1 << battery->id);
@@ -381,45 +464,33 @@ static int acpi_battery_get_present(struct acpi_battery *battery)
381 return result; 464 return result;
382} 465}
383 466
384static int acpi_battery_is_present(struct acpi_battery *battery)
385{
386 return (battery->battery_present);
387}
388
389static int acpi_ac_is_present(struct acpi_sbs *sbs)
390{
391 return (sbs->ac_present);
392}
393
394static int acpi_battery_select(struct acpi_battery *battery) 467static int acpi_battery_select(struct acpi_battery *battery)
395{ 468{
396 struct acpi_ec_smbus *smbus = battery->sbs->smbus; 469 struct acpi_sbs *sbs = battery->sbs;
397 int result = 0; 470 int result = 0;
398 s16 state; 471 s16 state;
399 int foo; 472 int foo;
400 473
401 if (battery->sbs->sbsm_present) { 474 if (sbs->sbsm_present) {
402 475
403 /* Take special care not to knobble other nibbles of 476 /* Take special care not to knobble other nibbles of
404 * state (aka selector_state), since 477 * state (aka selector_state), since
405 * it causes charging to halt on SBSELs */ 478 * it causes charging to halt on SBSELs */
406 479
407 result = 480 result =
408 acpi_sbs_smbus_read_word(smbus, ACPI_SBSM_SMBUS_ADDR, 0x01, 481 acpi_sbs_read_word(sbs, ACPI_SBSM_SMBUS_ADDR, 0x01, &state);
409 &state, NULL);
410 if (result) { 482 if (result) {
411 ACPI_DEBUG_PRINT((ACPI_DB_ERROR, 483 ACPI_EXCEPTION((AE_INFO, AE_ERROR,
412 "acpi_sbs_smbus_read_word() failed\n")); 484 "acpi_sbs_read_word() failed"));
413 goto end; 485 goto end;
414 } 486 }
415 487
416 foo = (state & 0x0fff) | (1 << (battery->id + 12)); 488 foo = (state & 0x0fff) | (1 << (battery->id + 12));
417 result = 489 result =
418 acpi_sbs_smbus_write_word(smbus, ACPI_SBSM_SMBUS_ADDR, 0x01, 490 acpi_sbs_write_word(sbs, ACPI_SBSM_SMBUS_ADDR, 0x01, foo);
419 foo, NULL);
420 if (result) { 491 if (result) {
421 ACPI_DEBUG_PRINT((ACPI_DB_ERROR, 492 ACPI_EXCEPTION((AE_INFO, AE_ERROR,
422 "acpi_sbs_smbus_write_word() failed\n")); 493 "acpi_sbs_write_word() failed"));
423 goto end; 494 goto end;
424 } 495 }
425 } 496 }
@@ -430,15 +501,14 @@ static int acpi_battery_select(struct acpi_battery *battery)
430 501
431static int acpi_sbsm_get_info(struct acpi_sbs *sbs) 502static int acpi_sbsm_get_info(struct acpi_sbs *sbs)
432{ 503{
433 struct acpi_ec_smbus *smbus = sbs->smbus;
434 int result = 0; 504 int result = 0;
435 s16 battery_system_info; 505 s16 battery_system_info;
436 506
437 result = acpi_sbs_smbus_read_word(smbus, ACPI_SBSM_SMBUS_ADDR, 0x04, 507 result = acpi_sbs_read_word(sbs, ACPI_SBSM_SMBUS_ADDR, 0x04,
438 &battery_system_info, NULL); 508 &battery_system_info);
439 if (result) { 509 if (result) {
440 ACPI_DEBUG_PRINT((ACPI_DB_ERROR, 510 ACPI_EXCEPTION((AE_INFO, AE_ERROR,
441 "acpi_sbs_smbus_read_word() failed\n")); 511 "acpi_sbs_read_word() failed"));
442 goto end; 512 goto end;
443 } 513 }
444 514
@@ -451,53 +521,50 @@ static int acpi_sbsm_get_info(struct acpi_sbs *sbs)
451 521
452static int acpi_battery_get_info(struct acpi_battery *battery) 522static int acpi_battery_get_info(struct acpi_battery *battery)
453{ 523{
454 struct acpi_ec_smbus *smbus = battery->sbs->smbus; 524 struct acpi_sbs *sbs = battery->sbs;
455 int result = 0; 525 int result = 0;
456 s16 battery_mode; 526 s16 battery_mode;
457 s16 specification_info; 527 s16 specification_info;
458 528
459 result = acpi_sbs_smbus_read_word(smbus, ACPI_SB_SMBUS_ADDR, 0x03, 529 result = acpi_sbs_read_word(sbs, ACPI_SB_SMBUS_ADDR, 0x03,
460 &battery_mode, 530 &battery_mode);
461 &acpi_battery_smbus_err_handler);
462 if (result) { 531 if (result) {
463 ACPI_DEBUG_PRINT((ACPI_DB_ERROR, 532 ACPI_EXCEPTION((AE_INFO, AE_ERROR,
464 "acpi_sbs_smbus_read_word() failed\n")); 533 "acpi_sbs_read_word() failed"));
465 goto end; 534 goto end;
466 } 535 }
467 battery->info.capacity_mode = (battery_mode & 0x8000) >> 15; 536 battery->info.capacity_mode = (battery_mode & 0x8000) >> 15;
468 537
469 result = acpi_sbs_smbus_read_word(smbus, ACPI_SB_SMBUS_ADDR, 0x10, 538 result = acpi_sbs_read_word(sbs, ACPI_SB_SMBUS_ADDR, 0x10,
470 &battery->info.full_charge_capacity, 539 &battery->info.full_charge_capacity);
471 &acpi_battery_smbus_err_handler);
472 if (result) { 540 if (result) {
473 ACPI_DEBUG_PRINT((ACPI_DB_ERROR, 541 ACPI_EXCEPTION((AE_INFO, AE_ERROR,
474 "acpi_sbs_smbus_read_word() failed\n")); 542 "acpi_sbs_read_word() failed"));
475 goto end; 543 goto end;
476 } 544 }
477 545
478 result = acpi_sbs_smbus_read_word(smbus, ACPI_SB_SMBUS_ADDR, 0x18, 546 result = acpi_sbs_read_word(sbs, ACPI_SB_SMBUS_ADDR, 0x18,
479 &battery->info.design_capacity, 547 &battery->info.design_capacity);
480 &acpi_battery_smbus_err_handler);
481 548
482 if (result) { 549 if (result) {
550 ACPI_EXCEPTION((AE_INFO, AE_ERROR,
551 "acpi_sbs_read_word() failed"));
483 goto end; 552 goto end;
484 } 553 }
485 554
486 result = acpi_sbs_smbus_read_word(smbus, ACPI_SB_SMBUS_ADDR, 0x19, 555 result = acpi_sbs_read_word(sbs, ACPI_SB_SMBUS_ADDR, 0x19,
487 &battery->info.design_voltage, 556 &battery->info.design_voltage);
488 &acpi_battery_smbus_err_handler);
489 if (result) { 557 if (result) {
490 ACPI_DEBUG_PRINT((ACPI_DB_ERROR, 558 ACPI_EXCEPTION((AE_INFO, AE_ERROR,
491 "acpi_sbs_smbus_read_word() failed\n")); 559 "acpi_sbs_read_word() failed"));
492 goto end; 560 goto end;
493 } 561 }
494 562
495 result = acpi_sbs_smbus_read_word(smbus, ACPI_SB_SMBUS_ADDR, 0x1a, 563 result = acpi_sbs_read_word(sbs, ACPI_SB_SMBUS_ADDR, 0x1a,
496 &specification_info, 564 &specification_info);
497 &acpi_battery_smbus_err_handler);
498 if (result) { 565 if (result) {
499 ACPI_DEBUG_PRINT((ACPI_DB_ERROR, 566 ACPI_EXCEPTION((AE_INFO, AE_ERROR,
500 "acpi_sbs_smbus_read_word() failed\n")); 567 "acpi_sbs_read_word() failed"));
501 goto end; 568 goto end;
502 } 569 }
503 570
@@ -529,37 +596,35 @@ static int acpi_battery_get_info(struct acpi_battery *battery)
529 battery->info.ipscale = 1; 596 battery->info.ipscale = 1;
530 } 597 }
531 598
532 result = acpi_sbs_smbus_read_word(smbus, ACPI_SB_SMBUS_ADDR, 0x1c, 599 result = acpi_sbs_read_word(sbs, ACPI_SB_SMBUS_ADDR, 0x1c,
533 &battery->info.serial_number, 600 &battery->info.serial_number);
534 &acpi_battery_smbus_err_handler);
535 if (result) { 601 if (result) {
602 ACPI_EXCEPTION((AE_INFO, AE_ERROR,
603 "acpi_sbs_read_word() failed"));
536 goto end; 604 goto end;
537 } 605 }
538 606
539 result = acpi_sbs_smbus_read_str(smbus, ACPI_SB_SMBUS_ADDR, 0x20, 607 result = acpi_sbs_read_str(sbs, ACPI_SB_SMBUS_ADDR, 0x20,
540 battery->info.manufacturer_name, 608 battery->info.manufacturer_name);
541 &acpi_battery_smbus_err_handler);
542 if (result) { 609 if (result) {
543 ACPI_DEBUG_PRINT((ACPI_DB_ERROR, 610 ACPI_EXCEPTION((AE_INFO, AE_ERROR,
544 "acpi_sbs_smbus_read_str() failed\n")); 611 "acpi_sbs_read_str() failed"));
545 goto end; 612 goto end;
546 } 613 }
547 614
548 result = acpi_sbs_smbus_read_str(smbus, ACPI_SB_SMBUS_ADDR, 0x21, 615 result = acpi_sbs_read_str(sbs, ACPI_SB_SMBUS_ADDR, 0x21,
549 battery->info.device_name, 616 battery->info.device_name);
550 &acpi_battery_smbus_err_handler);
551 if (result) { 617 if (result) {
552 ACPI_DEBUG_PRINT((ACPI_DB_ERROR, 618 ACPI_EXCEPTION((AE_INFO, AE_ERROR,
553 "acpi_sbs_smbus_read_str() failed\n")); 619 "acpi_sbs_read_str() failed"));
554 goto end; 620 goto end;
555 } 621 }
556 622
557 result = acpi_sbs_smbus_read_str(smbus, ACPI_SB_SMBUS_ADDR, 0x22, 623 result = acpi_sbs_read_str(sbs, ACPI_SB_SMBUS_ADDR, 0x22,
558 battery->info.device_chemistry, 624 battery->info.device_chemistry);
559 &acpi_battery_smbus_err_handler);
560 if (result) { 625 if (result) {
561 ACPI_DEBUG_PRINT((ACPI_DB_ERROR, 626 ACPI_EXCEPTION((AE_INFO, AE_ERROR,
562 "acpi_sbs_smbus_read_str() failed\n")); 627 "acpi_sbs_read_str() failed"));
563 goto end; 628 goto end;
564 } 629 }
565 630
@@ -567,103 +632,60 @@ static int acpi_battery_get_info(struct acpi_battery *battery)
567 return result; 632 return result;
568} 633}
569 634
570static void acpi_update_delay(struct acpi_sbs *sbs)
571{
572 if (sbs->zombie) {
573 return;
574 }
575 if (sbs->update_time2 > 0) {
576 msleep(sbs->update_time2 * 1000);
577 }
578}
579
580static int acpi_battery_get_state(struct acpi_battery *battery) 635static int acpi_battery_get_state(struct acpi_battery *battery)
581{ 636{
582 struct acpi_ec_smbus *smbus = battery->sbs->smbus; 637 struct acpi_sbs *sbs = battery->sbs;
583 int result = 0; 638 int result = 0;
584 639
585 acpi_update_delay(battery->sbs); 640 result = acpi_sbs_read_word(sbs, ACPI_SB_SMBUS_ADDR, 0x09,
586 result = acpi_sbs_smbus_read_word(smbus, ACPI_SB_SMBUS_ADDR, 0x09, 641 &battery->state.voltage);
587 &battery->state.voltage,
588 &acpi_battery_smbus_err_handler);
589 if (result) { 642 if (result) {
590 ACPI_DEBUG_PRINT((ACPI_DB_ERROR, 643 ACPI_EXCEPTION((AE_INFO, AE_ERROR,
591 "acpi_sbs_smbus_read_word() failed\n")); 644 "acpi_sbs_read_word() failed"));
592 goto end; 645 goto end;
593 } 646 }
594 647
595 acpi_update_delay(battery->sbs); 648 result = acpi_sbs_read_word(sbs, ACPI_SB_SMBUS_ADDR, 0x0a,
596 result = acpi_sbs_smbus_read_word(smbus, ACPI_SB_SMBUS_ADDR, 0x0a, 649 &battery->state.amperage);
597 &battery->state.amperage,
598 &acpi_battery_smbus_err_handler);
599 if (result) { 650 if (result) {
600 ACPI_DEBUG_PRINT((ACPI_DB_ERROR, 651 ACPI_EXCEPTION((AE_INFO, AE_ERROR,
601 "acpi_sbs_smbus_read_word() failed\n")); 652 "acpi_sbs_read_word() failed"));
602 goto end; 653 goto end;
603 } 654 }
604 655
605 acpi_update_delay(battery->sbs); 656 result = acpi_sbs_read_word(sbs, ACPI_SB_SMBUS_ADDR, 0x0f,
606 result = acpi_sbs_smbus_read_word(smbus, ACPI_SB_SMBUS_ADDR, 0x0f, 657 &battery->state.remaining_capacity);
607 &battery->state.remaining_capacity,
608 &acpi_battery_smbus_err_handler);
609 if (result) { 658 if (result) {
610 ACPI_DEBUG_PRINT((ACPI_DB_ERROR, 659 ACPI_EXCEPTION((AE_INFO, AE_ERROR,
611 "acpi_sbs_smbus_read_word() failed\n")); 660 "acpi_sbs_read_word() failed"));
612 goto end; 661 goto end;
613 } 662 }
614 663
615 acpi_update_delay(battery->sbs); 664 result = acpi_sbs_read_word(sbs, ACPI_SB_SMBUS_ADDR, 0x16,
616 result = acpi_sbs_smbus_read_word(smbus, ACPI_SB_SMBUS_ADDR, 0x12, 665 &battery->state.battery_state);
617 &battery->state.average_time_to_empty,
618 &acpi_battery_smbus_err_handler);
619 if (result) { 666 if (result) {
620 ACPI_DEBUG_PRINT((ACPI_DB_ERROR, 667 ACPI_EXCEPTION((AE_INFO, AE_ERROR,
621 "acpi_sbs_smbus_read_word() failed\n")); 668 "acpi_sbs_read_word() failed"));
622 goto end; 669 goto end;
623 } 670 }
624 671
625 acpi_update_delay(battery->sbs);
626 result = acpi_sbs_smbus_read_word(smbus, ACPI_SB_SMBUS_ADDR, 0x13,
627 &battery->state.average_time_to_full,
628 &acpi_battery_smbus_err_handler);
629 if (result) {
630 ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
631 "acpi_sbs_smbus_read_word() failed\n"));
632 goto end;
633 }
634
635 acpi_update_delay(battery->sbs);
636 result = acpi_sbs_smbus_read_word(smbus, ACPI_SB_SMBUS_ADDR, 0x16,
637 &battery->state.battery_status,
638 &acpi_battery_smbus_err_handler);
639 if (result) {
640 ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
641 "acpi_sbs_smbus_read_word() failed\n"));
642 goto end;
643 }
644
645 acpi_update_delay(battery->sbs);
646
647 end: 672 end:
648 return result; 673 return result;
649} 674}
650 675
651static int acpi_battery_get_alarm(struct acpi_battery *battery) 676static int acpi_battery_get_alarm(struct acpi_battery *battery)
652{ 677{
653 struct acpi_ec_smbus *smbus = battery->sbs->smbus; 678 struct acpi_sbs *sbs = battery->sbs;
654 int result = 0; 679 int result = 0;
655 680
656 result = acpi_sbs_smbus_read_word(smbus, ACPI_SB_SMBUS_ADDR, 0x01, 681 result = acpi_sbs_read_word(sbs, ACPI_SB_SMBUS_ADDR, 0x01,
657 &battery->alarm.remaining_capacity, 682 &battery->alarm.remaining_capacity);
658 &acpi_battery_smbus_err_handler);
659 if (result) { 683 if (result) {
660 ACPI_DEBUG_PRINT((ACPI_DB_ERROR, 684 ACPI_EXCEPTION((AE_INFO, AE_ERROR,
661 "acpi_sbs_smbus_read_word() failed\n")); 685 "acpi_sbs_read_word() failed"));
662 goto end; 686 goto end;
663 } 687 }
664 688
665 acpi_update_delay(battery->sbs);
666
667 end: 689 end:
668 690
669 return result; 691 return result;
@@ -672,15 +694,15 @@ static int acpi_battery_get_alarm(struct acpi_battery *battery)
672static int acpi_battery_set_alarm(struct acpi_battery *battery, 694static int acpi_battery_set_alarm(struct acpi_battery *battery,
673 unsigned long alarm) 695 unsigned long alarm)
674{ 696{
675 struct acpi_ec_smbus *smbus = battery->sbs->smbus; 697 struct acpi_sbs *sbs = battery->sbs;
676 int result = 0; 698 int result = 0;
677 s16 battery_mode; 699 s16 battery_mode;
678 int foo; 700 int foo;
679 701
680 result = acpi_battery_select(battery); 702 result = acpi_battery_select(battery);
681 if (result) { 703 if (result) {
682 ACPI_DEBUG_PRINT((ACPI_DB_ERROR, 704 ACPI_EXCEPTION((AE_INFO, AE_ERROR,
683 "acpi_battery_select() failed\n")); 705 "acpi_battery_select() failed"));
684 goto end; 706 goto end;
685 } 707 }
686 708
@@ -688,33 +710,29 @@ static int acpi_battery_set_alarm(struct acpi_battery *battery,
688 710
689 if (alarm > 0) { 711 if (alarm > 0) {
690 result = 712 result =
691 acpi_sbs_smbus_read_word(smbus, ACPI_SB_SMBUS_ADDR, 0x03, 713 acpi_sbs_read_word(sbs, ACPI_SB_SMBUS_ADDR, 0x03,
692 &battery_mode, 714 &battery_mode);
693 &acpi_battery_smbus_err_handler);
694 if (result) { 715 if (result) {
695 ACPI_DEBUG_PRINT((ACPI_DB_ERROR, 716 ACPI_EXCEPTION((AE_INFO, AE_ERROR,
696 "acpi_sbs_smbus_read_word() failed\n")); 717 "acpi_sbs_read_word() failed"));
697 goto end; 718 goto end;
698 } 719 }
699 720
700 result = 721 result =
701 acpi_sbs_smbus_write_word(smbus, ACPI_SB_SMBUS_ADDR, 0x01, 722 acpi_sbs_write_word(sbs, ACPI_SB_SMBUS_ADDR, 0x01,
702 battery_mode & 0xbfff, 723 battery_mode & 0xbfff);
703 &acpi_battery_smbus_err_handler);
704 if (result) { 724 if (result) {
705 ACPI_DEBUG_PRINT((ACPI_DB_ERROR, 725 ACPI_EXCEPTION((AE_INFO, AE_ERROR,
706 "acpi_sbs_smbus_write_word() failed\n")); 726 "acpi_sbs_write_word() failed"));
707 goto end; 727 goto end;
708 } 728 }
709 } 729 }
710 730
711 foo = alarm / (battery->info.capacity_mode ? 10 : 1); 731 foo = alarm / (battery->info.capacity_mode ? 10 : 1);
712 result = acpi_sbs_smbus_write_word(smbus, ACPI_SB_SMBUS_ADDR, 0x01, 732 result = acpi_sbs_write_word(sbs, ACPI_SB_SMBUS_ADDR, 0x01, foo);
713 foo,
714 &acpi_battery_smbus_err_handler);
715 if (result) { 733 if (result) {
716 ACPI_DEBUG_PRINT((ACPI_DB_ERROR, 734 ACPI_EXCEPTION((AE_INFO, AE_ERROR,
717 "acpi_sbs_smbus_write_word() failed\n")); 735 "acpi_sbs_write_word() failed"));
718 goto end; 736 goto end;
719 } 737 }
720 738
@@ -725,6 +743,7 @@ static int acpi_battery_set_alarm(struct acpi_battery *battery,
725 743
726static int acpi_battery_set_mode(struct acpi_battery *battery) 744static int acpi_battery_set_mode(struct acpi_battery *battery)
727{ 745{
746 struct acpi_sbs *sbs = battery->sbs;
728 int result = 0; 747 int result = 0;
729 s16 battery_mode; 748 s16 battery_mode;
730 749
@@ -732,12 +751,11 @@ static int acpi_battery_set_mode(struct acpi_battery *battery)
732 goto end; 751 goto end;
733 } 752 }
734 753
735 result = acpi_sbs_smbus_read_word(battery->sbs->smbus, 754 result = acpi_sbs_read_word(sbs,
736 ACPI_SB_SMBUS_ADDR, 0x03, 755 ACPI_SB_SMBUS_ADDR, 0x03, &battery_mode);
737 &battery_mode, NULL);
738 if (result) { 756 if (result) {
739 ACPI_DEBUG_PRINT((ACPI_DB_ERROR, 757 ACPI_EXCEPTION((AE_INFO, AE_ERROR,
740 "acpi_sbs_smbus_read_word() failed\n")); 758 "acpi_sbs_read_word() failed"));
741 goto end; 759 goto end;
742 } 760 }
743 761
@@ -746,21 +764,19 @@ static int acpi_battery_set_mode(struct acpi_battery *battery)
746 } else { 764 } else {
747 battery_mode |= 0x8000; 765 battery_mode |= 0x8000;
748 } 766 }
749 result = acpi_sbs_smbus_write_word(battery->sbs->smbus, 767 result = acpi_sbs_write_word(sbs,
750 ACPI_SB_SMBUS_ADDR, 0x03, 768 ACPI_SB_SMBUS_ADDR, 0x03, battery_mode);
751 battery_mode, NULL);
752 if (result) { 769 if (result) {
753 ACPI_DEBUG_PRINT((ACPI_DB_ERROR, 770 ACPI_EXCEPTION((AE_INFO, AE_ERROR,
754 "acpi_sbs_smbus_write_word() failed\n")); 771 "acpi_sbs_write_word() failed"));
755 goto end; 772 goto end;
756 } 773 }
757 774
758 result = acpi_sbs_smbus_read_word(battery->sbs->smbus, 775 result = acpi_sbs_read_word(sbs,
759 ACPI_SB_SMBUS_ADDR, 0x03, 776 ACPI_SB_SMBUS_ADDR, 0x03, &battery_mode);
760 &battery_mode, NULL);
761 if (result) { 777 if (result) {
762 ACPI_DEBUG_PRINT((ACPI_DB_ERROR, 778 ACPI_EXCEPTION((AE_INFO, AE_ERROR,
763 "acpi_sbs_smbus_read_word() failed\n")); 779 "acpi_sbs_read_word() failed"));
764 goto end; 780 goto end;
765 } 781 }
766 782
@@ -774,36 +790,36 @@ static int acpi_battery_init(struct acpi_battery *battery)
774 790
775 result = acpi_battery_select(battery); 791 result = acpi_battery_select(battery);
776 if (result) { 792 if (result) {
777 ACPI_DEBUG_PRINT((ACPI_DB_ERROR, 793 ACPI_EXCEPTION((AE_INFO, AE_ERROR,
778 "acpi_battery_init() failed\n")); 794 "acpi_battery_select() failed"));
779 goto end; 795 goto end;
780 } 796 }
781 797
782 result = acpi_battery_set_mode(battery); 798 result = acpi_battery_set_mode(battery);
783 if (result) { 799 if (result) {
784 ACPI_DEBUG_PRINT((ACPI_DB_ERROR, 800 ACPI_EXCEPTION((AE_INFO, AE_ERROR,
785 "acpi_battery_set_mode() failed\n")); 801 "acpi_battery_set_mode() failed"));
786 goto end; 802 goto end;
787 } 803 }
788 804
789 result = acpi_battery_get_info(battery); 805 result = acpi_battery_get_info(battery);
790 if (result) { 806 if (result) {
791 ACPI_DEBUG_PRINT((ACPI_DB_ERROR, 807 ACPI_EXCEPTION((AE_INFO, AE_ERROR,
792 "acpi_battery_get_info() failed\n")); 808 "acpi_battery_get_info() failed"));
793 goto end; 809 goto end;
794 } 810 }
795 811
796 result = acpi_battery_get_state(battery); 812 result = acpi_battery_get_state(battery);
797 if (result) { 813 if (result) {
798 ACPI_DEBUG_PRINT((ACPI_DB_ERROR, 814 ACPI_EXCEPTION((AE_INFO, AE_ERROR,
799 "acpi_battery_get_state() failed\n")); 815 "acpi_battery_get_state() failed"));
800 goto end; 816 goto end;
801 } 817 }
802 818
803 result = acpi_battery_get_alarm(battery); 819 result = acpi_battery_get_alarm(battery);
804 if (result) { 820 if (result) {
805 ACPI_DEBUG_PRINT((ACPI_DB_ERROR, 821 ACPI_EXCEPTION((AE_INFO, AE_ERROR,
806 "acpi_battery_get_alarm() failed\n")); 822 "acpi_battery_get_alarm() failed"));
807 goto end; 823 goto end;
808 } 824 }
809 825
@@ -813,20 +829,19 @@ static int acpi_battery_init(struct acpi_battery *battery)
813 829
814static int acpi_ac_get_present(struct acpi_sbs *sbs) 830static int acpi_ac_get_present(struct acpi_sbs *sbs)
815{ 831{
816 struct acpi_ec_smbus *smbus = sbs->smbus;
817 int result = 0; 832 int result = 0;
818 s16 charger_status; 833 s16 charger_status;
819 834
820 result = acpi_sbs_smbus_read_word(smbus, ACPI_SBC_SMBUS_ADDR, 0x13, 835 result = acpi_sbs_read_word(sbs, ACPI_SBC_SMBUS_ADDR, 0x13,
821 &charger_status, NULL); 836 &charger_status);
822 837
823 if (result) { 838 if (result) {
824 ACPI_DEBUG_PRINT((ACPI_DB_ERROR, 839 ACPI_EXCEPTION((AE_INFO, AE_ERROR,
825 "acpi_sbs_smbus_read_word() failed\n")); 840 "acpi_sbs_read_word() failed"));
826 goto end; 841 goto end;
827 } 842 }
828 843
829 sbs->ac_present = (charger_status & 0x8000) >> 15; 844 sbs->ac.ac_present = (charger_status & 0x8000) >> 15;
830 845
831 end: 846 end:
832 847
@@ -852,8 +867,8 @@ acpi_sbs_generic_add_fs(struct proc_dir_entry **dir,
852 if (!*dir) { 867 if (!*dir) {
853 *dir = proc_mkdir(dir_name, parent_dir); 868 *dir = proc_mkdir(dir_name, parent_dir);
854 if (!*dir) { 869 if (!*dir) {
855 ACPI_DEBUG_PRINT((ACPI_DB_ERROR, 870 ACPI_EXCEPTION((AE_INFO, AE_ERROR,
856 "proc_mkdir() failed\n")); 871 "proc_mkdir() failed"));
857 return -ENODEV; 872 return -ENODEV;
858 } 873 }
859 (*dir)->owner = THIS_MODULE; 874 (*dir)->owner = THIS_MODULE;
@@ -863,8 +878,8 @@ acpi_sbs_generic_add_fs(struct proc_dir_entry **dir,
863 if (info_fops) { 878 if (info_fops) {
864 entry = create_proc_entry(ACPI_SBS_FILE_INFO, S_IRUGO, *dir); 879 entry = create_proc_entry(ACPI_SBS_FILE_INFO, S_IRUGO, *dir);
865 if (!entry) { 880 if (!entry) {
866 ACPI_DEBUG_PRINT((ACPI_DB_ERROR, 881 ACPI_EXCEPTION((AE_INFO, AE_ERROR,
867 "create_proc_entry() failed\n")); 882 "create_proc_entry() failed"));
868 } else { 883 } else {
869 entry->proc_fops = info_fops; 884 entry->proc_fops = info_fops;
870 entry->data = data; 885 entry->data = data;
@@ -876,8 +891,8 @@ acpi_sbs_generic_add_fs(struct proc_dir_entry **dir,
876 if (state_fops) { 891 if (state_fops) {
877 entry = create_proc_entry(ACPI_SBS_FILE_STATE, S_IRUGO, *dir); 892 entry = create_proc_entry(ACPI_SBS_FILE_STATE, S_IRUGO, *dir);
878 if (!entry) { 893 if (!entry) {
879 ACPI_DEBUG_PRINT((ACPI_DB_ERROR, 894 ACPI_EXCEPTION((AE_INFO, AE_ERROR,
880 "create_proc_entry() failed\n")); 895 "create_proc_entry() failed"));
881 } else { 896 } else {
882 entry->proc_fops = state_fops; 897 entry->proc_fops = state_fops;
883 entry->data = data; 898 entry->data = data;
@@ -889,8 +904,8 @@ acpi_sbs_generic_add_fs(struct proc_dir_entry **dir,
889 if (alarm_fops) { 904 if (alarm_fops) {
890 entry = create_proc_entry(ACPI_SBS_FILE_ALARM, S_IRUGO, *dir); 905 entry = create_proc_entry(ACPI_SBS_FILE_ALARM, S_IRUGO, *dir);
891 if (!entry) { 906 if (!entry) {
892 ACPI_DEBUG_PRINT((ACPI_DB_ERROR, 907 ACPI_EXCEPTION((AE_INFO, AE_ERROR,
893 "create_proc_entry() failed\n")); 908 "create_proc_entry() failed"));
894 } else { 909 } else {
895 entry->proc_fops = alarm_fops; 910 entry->proc_fops = alarm_fops;
896 entry->data = data; 911 entry->data = data;
@@ -923,24 +938,27 @@ static struct proc_dir_entry *acpi_battery_dir = NULL;
923static int acpi_battery_read_info(struct seq_file *seq, void *offset) 938static int acpi_battery_read_info(struct seq_file *seq, void *offset)
924{ 939{
925 struct acpi_battery *battery = seq->private; 940 struct acpi_battery *battery = seq->private;
941 struct acpi_sbs *sbs = battery->sbs;
926 int cscale; 942 int cscale;
927 int result = 0; 943 int result = 0;
928 944
929 if (battery->sbs->zombie) { 945 if (sbs_mutex_lock(sbs)) {
930 return -ENODEV; 946 return -ENODEV;
931 } 947 }
932 948
933 down(&sbs_sem); 949 result = acpi_check_update_proc(sbs);
950 if (result)
951 goto end;
934 952
935 if (update_mode == REQUEST_UPDATE_MODE) { 953 if (update_time == 0) {
936 result = acpi_sbs_update_run(battery->sbs, DATA_TYPE_INFO); 954 result = acpi_sbs_update_run(sbs, battery->id, DATA_TYPE_INFO);
937 if (result) { 955 if (result) {
938 ACPI_DEBUG_PRINT((ACPI_DB_ERROR, 956 ACPI_EXCEPTION((AE_INFO, AE_ERROR,
939 "acpi_sbs_update_run() failed\n")); 957 "acpi_sbs_update_run() failed"));
940 } 958 }
941 } 959 }
942 960
943 if (acpi_battery_is_present(battery)) { 961 if (battery->battery_present) {
944 seq_printf(seq, "present: yes\n"); 962 seq_printf(seq, "present: yes\n");
945 } else { 963 } else {
946 seq_printf(seq, "present: no\n"); 964 seq_printf(seq, "present: no\n");
@@ -952,13 +970,13 @@ static int acpi_battery_read_info(struct seq_file *seq, void *offset)
952 } else { 970 } else {
953 cscale = battery->info.ipscale; 971 cscale = battery->info.ipscale;
954 } 972 }
955 seq_printf(seq, "design capacity: %i%s", 973 seq_printf(seq, "design capacity: %i%s\n",
956 battery->info.design_capacity * cscale, 974 battery->info.design_capacity * cscale,
957 battery->info.capacity_mode ? "0 mWh\n" : " mAh\n"); 975 battery->info.capacity_mode ? "0 mWh" : " mAh");
958 976
959 seq_printf(seq, "last full capacity: %i%s", 977 seq_printf(seq, "last full capacity: %i%s\n",
960 battery->info.full_charge_capacity * cscale, 978 battery->info.full_charge_capacity * cscale,
961 battery->info.capacity_mode ? "0 mWh\n" : " mAh\n"); 979 battery->info.capacity_mode ? "0 mWh" : " mAh");
962 980
963 seq_printf(seq, "battery technology: rechargeable\n"); 981 seq_printf(seq, "battery technology: rechargeable\n");
964 982
@@ -984,7 +1002,7 @@ static int acpi_battery_read_info(struct seq_file *seq, void *offset)
984 1002
985 end: 1003 end:
986 1004
987 up(&sbs_sem); 1005 sbs_mutex_unlock(sbs);
988 1006
989 return result; 1007 return result;
990} 1008}
@@ -996,26 +1014,29 @@ static int acpi_battery_info_open_fs(struct inode *inode, struct file *file)
996 1014
997static int acpi_battery_read_state(struct seq_file *seq, void *offset) 1015static int acpi_battery_read_state(struct seq_file *seq, void *offset)
998{ 1016{
999 struct acpi_battery *battery = (struct acpi_battery *)seq->private; 1017 struct acpi_battery *battery = seq->private;
1018 struct acpi_sbs *sbs = battery->sbs;
1000 int result = 0; 1019 int result = 0;
1001 int cscale; 1020 int cscale;
1002 int foo; 1021 int foo;
1003 1022
1004 if (battery->sbs->zombie) { 1023 if (sbs_mutex_lock(sbs)) {
1005 return -ENODEV; 1024 return -ENODEV;
1006 } 1025 }
1007 1026
1008 down(&sbs_sem); 1027 result = acpi_check_update_proc(sbs);
1028 if (result)
1029 goto end;
1009 1030
1010 if (update_mode == REQUEST_UPDATE_MODE) { 1031 if (update_time == 0) {
1011 result = acpi_sbs_update_run(battery->sbs, DATA_TYPE_STATE); 1032 result = acpi_sbs_update_run(sbs, battery->id, DATA_TYPE_STATE);
1012 if (result) { 1033 if (result) {
1013 ACPI_DEBUG_PRINT((ACPI_DB_ERROR, 1034 ACPI_EXCEPTION((AE_INFO, AE_ERROR,
1014 "acpi_sbs_update_run() failed\n")); 1035 "acpi_sbs_update_run() failed"));
1015 } 1036 }
1016 } 1037 }
1017 1038
1018 if (acpi_battery_is_present(battery)) { 1039 if (battery->battery_present) {
1019 seq_printf(seq, "present: yes\n"); 1040 seq_printf(seq, "present: yes\n");
1020 } else { 1041 } else {
1021 seq_printf(seq, "present: no\n"); 1042 seq_printf(seq, "present: no\n");
@@ -1028,7 +1049,7 @@ static int acpi_battery_read_state(struct seq_file *seq, void *offset)
1028 cscale = battery->info.ipscale; 1049 cscale = battery->info.ipscale;
1029 } 1050 }
1030 1051
1031 if (battery->state.battery_status & 0x0010) { 1052 if (battery->state.battery_state & 0x0010) {
1032 seq_printf(seq, "capacity state: critical\n"); 1053 seq_printf(seq, "capacity state: critical\n");
1033 } else { 1054 } else {
1034 seq_printf(seq, "capacity state: ok\n"); 1055 seq_printf(seq, "capacity state: ok\n");
@@ -1052,16 +1073,16 @@ static int acpi_battery_read_state(struct seq_file *seq, void *offset)
1052 battery->info.capacity_mode ? "mW" : "mA"); 1073 battery->info.capacity_mode ? "mW" : "mA");
1053 } 1074 }
1054 1075
1055 seq_printf(seq, "remaining capacity: %i%s", 1076 seq_printf(seq, "remaining capacity: %i%s\n",
1056 battery->state.remaining_capacity * cscale, 1077 battery->state.remaining_capacity * cscale,
1057 battery->info.capacity_mode ? "0 mWh\n" : " mAh\n"); 1078 battery->info.capacity_mode ? "0 mWh" : " mAh");
1058 1079
1059 seq_printf(seq, "present voltage: %i mV\n", 1080 seq_printf(seq, "present voltage: %i mV\n",
1060 battery->state.voltage * battery->info.vscale); 1081 battery->state.voltage * battery->info.vscale);
1061 1082
1062 end: 1083 end:
1063 1084
1064 up(&sbs_sem); 1085 sbs_mutex_unlock(sbs);
1065 1086
1066 return result; 1087 return result;
1067} 1088}
@@ -1074,24 +1095,27 @@ static int acpi_battery_state_open_fs(struct inode *inode, struct file *file)
1074static int acpi_battery_read_alarm(struct seq_file *seq, void *offset) 1095static int acpi_battery_read_alarm(struct seq_file *seq, void *offset)
1075{ 1096{
1076 struct acpi_battery *battery = seq->private; 1097 struct acpi_battery *battery = seq->private;
1098 struct acpi_sbs *sbs = battery->sbs;
1077 int result = 0; 1099 int result = 0;
1078 int cscale; 1100 int cscale;
1079 1101
1080 if (battery->sbs->zombie) { 1102 if (sbs_mutex_lock(sbs)) {
1081 return -ENODEV; 1103 return -ENODEV;
1082 } 1104 }
1083 1105
1084 down(&sbs_sem); 1106 result = acpi_check_update_proc(sbs);
1107 if (result)
1108 goto end;
1085 1109
1086 if (update_mode == REQUEST_UPDATE_MODE) { 1110 if (update_time == 0) {
1087 result = acpi_sbs_update_run(battery->sbs, DATA_TYPE_ALARM); 1111 result = acpi_sbs_update_run(sbs, battery->id, DATA_TYPE_ALARM);
1088 if (result) { 1112 if (result) {
1089 ACPI_DEBUG_PRINT((ACPI_DB_ERROR, 1113 ACPI_EXCEPTION((AE_INFO, AE_ERROR,
1090 "acpi_sbs_update_run() failed\n")); 1114 "acpi_sbs_update_run() failed"));
1091 } 1115 }
1092 } 1116 }
1093 1117
1094 if (!acpi_battery_is_present(battery)) { 1118 if (!battery->battery_present) {
1095 seq_printf(seq, "present: no\n"); 1119 seq_printf(seq, "present: no\n");
1096 goto end; 1120 goto end;
1097 } 1121 }
@@ -1104,16 +1128,16 @@ static int acpi_battery_read_alarm(struct seq_file *seq, void *offset)
1104 1128
1105 seq_printf(seq, "alarm: "); 1129 seq_printf(seq, "alarm: ");
1106 if (battery->alarm.remaining_capacity) { 1130 if (battery->alarm.remaining_capacity) {
1107 seq_printf(seq, "%i%s", 1131 seq_printf(seq, "%i%s\n",
1108 battery->alarm.remaining_capacity * cscale, 1132 battery->alarm.remaining_capacity * cscale,
1109 battery->info.capacity_mode ? "0 mWh\n" : " mAh\n"); 1133 battery->info.capacity_mode ? "0 mWh" : " mAh");
1110 } else { 1134 } else {
1111 seq_printf(seq, "disabled\n"); 1135 seq_printf(seq, "disabled\n");
1112 } 1136 }
1113 1137
1114 end: 1138 end:
1115 1139
1116 up(&sbs_sem); 1140 sbs_mutex_unlock(sbs);
1117 1141
1118 return result; 1142 return result;
1119} 1143}
@@ -1124,16 +1148,19 @@ acpi_battery_write_alarm(struct file *file, const char __user * buffer,
1124{ 1148{
1125 struct seq_file *seq = file->private_data; 1149 struct seq_file *seq = file->private_data;
1126 struct acpi_battery *battery = seq->private; 1150 struct acpi_battery *battery = seq->private;
1151 struct acpi_sbs *sbs = battery->sbs;
1127 char alarm_string[12] = { '\0' }; 1152 char alarm_string[12] = { '\0' };
1128 int result, old_alarm, new_alarm; 1153 int result, old_alarm, new_alarm;
1129 1154
1130 if (battery->sbs->zombie) { 1155 if (sbs_mutex_lock(sbs)) {
1131 return -ENODEV; 1156 return -ENODEV;
1132 } 1157 }
1133 1158
1134 down(&sbs_sem); 1159 result = acpi_check_update_proc(sbs);
1160 if (result)
1161 goto end;
1135 1162
1136 if (!acpi_battery_is_present(battery)) { 1163 if (!battery->battery_present) {
1137 result = -ENODEV; 1164 result = -ENODEV;
1138 goto end; 1165 goto end;
1139 } 1166 }
@@ -1155,21 +1182,21 @@ acpi_battery_write_alarm(struct file *file, const char __user * buffer,
1155 1182
1156 result = acpi_battery_set_alarm(battery, new_alarm); 1183 result = acpi_battery_set_alarm(battery, new_alarm);
1157 if (result) { 1184 if (result) {
1158 ACPI_DEBUG_PRINT((ACPI_DB_ERROR, 1185 ACPI_EXCEPTION((AE_INFO, AE_ERROR,
1159 "acpi_battery_set_alarm() failed\n")); 1186 "acpi_battery_set_alarm() failed"));
1160 acpi_battery_set_alarm(battery, old_alarm); 1187 acpi_battery_set_alarm(battery, old_alarm);
1161 goto end; 1188 goto end;
1162 } 1189 }
1163 result = acpi_battery_get_alarm(battery); 1190 result = acpi_battery_get_alarm(battery);
1164 if (result) { 1191 if (result) {
1165 ACPI_DEBUG_PRINT((ACPI_DB_ERROR, 1192 ACPI_EXCEPTION((AE_INFO, AE_ERROR,
1166 "acpi_battery_get_alarm() failed\n")); 1193 "acpi_battery_get_alarm() failed"));
1167 acpi_battery_set_alarm(battery, old_alarm); 1194 acpi_battery_set_alarm(battery, old_alarm);
1168 goto end; 1195 goto end;
1169 } 1196 }
1170 1197
1171 end: 1198 end:
1172 up(&sbs_sem); 1199 sbs_mutex_unlock(sbs);
1173 1200
1174 if (result) { 1201 if (result) {
1175 return result; 1202 return result;
@@ -1217,24 +1244,22 @@ static int acpi_ac_read_state(struct seq_file *seq, void *offset)
1217 struct acpi_sbs *sbs = seq->private; 1244 struct acpi_sbs *sbs = seq->private;
1218 int result; 1245 int result;
1219 1246
1220 if (sbs->zombie) { 1247 if (sbs_mutex_lock(sbs)) {
1221 return -ENODEV; 1248 return -ENODEV;
1222 } 1249 }
1223 1250
1224 down(&sbs_sem); 1251 if (update_time == 0) {
1225 1252 result = acpi_sbs_update_run(sbs, -1, DATA_TYPE_AC_STATE);
1226 if (update_mode == REQUEST_UPDATE_MODE) {
1227 result = acpi_sbs_update_run(sbs, DATA_TYPE_AC_STATE);
1228 if (result) { 1253 if (result) {
1229 ACPI_DEBUG_PRINT((ACPI_DB_ERROR, 1254 ACPI_EXCEPTION((AE_INFO, AE_ERROR,
1230 "acpi_sbs_update_run() failed\n")); 1255 "acpi_sbs_update_run() failed"));
1231 } 1256 }
1232 } 1257 }
1233 1258
1234 seq_printf(seq, "state: %s\n", 1259 seq_printf(seq, "state: %s\n",
1235 sbs->ac_present ? "on-line" : "off-line"); 1260 sbs->ac.ac_present ? "on-line" : "off-line");
1236 1261
1237 up(&sbs_sem); 1262 sbs_mutex_unlock(sbs);
1238 1263
1239 return 0; 1264 return 0;
1240} 1265}
@@ -1275,25 +1300,25 @@ static int acpi_battery_add(struct acpi_sbs *sbs, int id)
1275 1300
1276 result = acpi_battery_select(battery); 1301 result = acpi_battery_select(battery);
1277 if (result) { 1302 if (result) {
1278 ACPI_DEBUG_PRINT((ACPI_DB_ERROR, 1303 ACPI_EXCEPTION((AE_INFO, AE_ERROR,
1279 "acpi_battery_select() failed\n")); 1304 "acpi_battery_select() failed"));
1280 goto end; 1305 goto end;
1281 } 1306 }
1282 1307
1283 result = acpi_battery_get_present(battery); 1308 result = acpi_battery_get_present(battery);
1284 if (result) { 1309 if (result) {
1285 ACPI_DEBUG_PRINT((ACPI_DB_ERROR, 1310 ACPI_EXCEPTION((AE_INFO, AE_ERROR,
1286 "acpi_battery_get_present() failed\n")); 1311 "acpi_battery_get_present() failed"));
1287 goto end; 1312 goto end;
1288 } 1313 }
1289 1314
1290 is_present = acpi_battery_is_present(battery); 1315 is_present = battery->battery_present;
1291 1316
1292 if (is_present) { 1317 if (is_present) {
1293 result = acpi_battery_init(battery); 1318 result = acpi_battery_init(battery);
1294 if (result) { 1319 if (result) {
1295 ACPI_DEBUG_PRINT((ACPI_DB_ERROR, 1320 ACPI_EXCEPTION((AE_INFO, AE_ERROR,
1296 "acpi_battery_init() failed\n")); 1321 "acpi_battery_init() failed"));
1297 goto end; 1322 goto end;
1298 } 1323 }
1299 battery->init_state = 1; 1324 battery->init_state = 1;
@@ -1308,12 +1333,16 @@ static int acpi_battery_add(struct acpi_sbs *sbs, int id)
1308 &acpi_battery_state_fops, 1333 &acpi_battery_state_fops,
1309 &acpi_battery_alarm_fops, battery); 1334 &acpi_battery_alarm_fops, battery);
1310 if (result) { 1335 if (result) {
1311 ACPI_DEBUG_PRINT((ACPI_DB_ERROR, 1336 ACPI_EXCEPTION((AE_INFO, AE_ERROR,
1312 "acpi_sbs_generic_add_fs() failed\n")); 1337 "acpi_sbs_generic_add_fs() failed"));
1313 goto end; 1338 goto end;
1314 } 1339 }
1315 battery->alive = 1; 1340 battery->alive = 1;
1316 1341
1342 printk(KERN_INFO PREFIX "%s [%s]: Battery Slot [%s] (battery %s)\n",
1343 ACPI_SBS_DEVICE_NAME, acpi_device_bid(sbs->device), dir_name,
1344 sbs->battery->battery_present ? "present" : "absent");
1345
1317 end: 1346 end:
1318 return result; 1347 return result;
1319} 1348}
@@ -1333,8 +1362,8 @@ static int acpi_ac_add(struct acpi_sbs *sbs)
1333 1362
1334 result = acpi_ac_get_present(sbs); 1363 result = acpi_ac_get_present(sbs);
1335 if (result) { 1364 if (result) {
1336 ACPI_DEBUG_PRINT((ACPI_DB_ERROR, 1365 ACPI_EXCEPTION((AE_INFO, AE_ERROR,
1337 "acpi_ac_get_present() failed\n")); 1366 "acpi_ac_get_present() failed"));
1338 goto end; 1367 goto end;
1339 } 1368 }
1340 1369
@@ -1343,11 +1372,15 @@ static int acpi_ac_add(struct acpi_sbs *sbs)
1343 ACPI_AC_DIR_NAME, 1372 ACPI_AC_DIR_NAME,
1344 NULL, &acpi_ac_state_fops, NULL, sbs); 1373 NULL, &acpi_ac_state_fops, NULL, sbs);
1345 if (result) { 1374 if (result) {
1346 ACPI_DEBUG_PRINT((ACPI_DB_ERROR, 1375 ACPI_EXCEPTION((AE_INFO, AE_ERROR,
1347 "acpi_sbs_generic_add_fs() failed\n")); 1376 "acpi_sbs_generic_add_fs() failed"));
1348 goto end; 1377 goto end;
1349 } 1378 }
1350 1379
1380 printk(KERN_INFO PREFIX "%s [%s]: AC Adapter [%s] (%s)\n",
1381 ACPI_SBS_DEVICE_NAME, acpi_device_bid(sbs->device),
1382 ACPI_AC_DIR_NAME, sbs->ac.ac_present ? "on-line" : "off-line");
1383
1351 end: 1384 end:
1352 1385
1353 return result; 1386 return result;
@@ -1361,45 +1394,85 @@ static void acpi_ac_remove(struct acpi_sbs *sbs)
1361 } 1394 }
1362} 1395}
1363 1396
1364static void acpi_sbs_update_queue_run(unsigned long data) 1397static void acpi_sbs_update_time_run(unsigned long data)
1365{ 1398{
1366 acpi_os_execute(OSL_GPE_HANDLER, acpi_sbs_update_queue, (void *)data); 1399 acpi_os_execute(OSL_GPE_HANDLER, acpi_sbs_update_time, (void *)data);
1367} 1400}
1368 1401
1369static int acpi_sbs_update_run(struct acpi_sbs *sbs, int data_type) 1402static int acpi_sbs_update_run(struct acpi_sbs *sbs, int id, int data_type)
1370{ 1403{
1371 struct acpi_battery *battery; 1404 struct acpi_battery *battery;
1372 int result = 0; 1405 int result = 0, cnt;
1373 int old_ac_present; 1406 int old_ac_present = -1;
1374 int old_battery_present; 1407 int old_battery_present = -1;
1375 int new_ac_present; 1408 int new_ac_present = -1;
1376 int new_battery_present; 1409 int new_battery_present = -1;
1377 int id; 1410 int id_min = 0, id_max = MAX_SBS_BAT - 1;
1378 char dir_name[32]; 1411 char dir_name[32];
1379 int do_battery_init, do_ac_init; 1412 int do_battery_init = 0, do_ac_init = 0;
1380 s16 old_remaining_capacity; 1413 int old_remaining_capacity = 0;
1414 int update_ac = 1, update_battery = 1;
1415 int up_tm = update_time;
1381 1416
1382 if (sbs->zombie) { 1417 if (sbs_zombie(sbs)) {
1383 goto end; 1418 goto end;
1384 } 1419 }
1385 1420
1386 old_ac_present = acpi_ac_is_present(sbs); 1421 if (id >= 0) {
1422 id_min = id_max = id;
1423 }
1424
1425 if (data_type == DATA_TYPE_COMMON && up_tm > 0) {
1426 cnt = up_tm / (up_tm > UPDATE_DELAY ? UPDATE_DELAY : up_tm);
1427 if (sbs->run_cnt % cnt != 0) {
1428 update_battery = 0;
1429 }
1430 }
1431
1432 sbs->run_cnt++;
1433
1434 if (!update_ac && !update_battery) {
1435 goto end;
1436 }
1437
1438 old_ac_present = sbs->ac.ac_present;
1387 1439
1388 result = acpi_ac_get_present(sbs); 1440 result = acpi_ac_get_present(sbs);
1389 if (result) { 1441 if (result) {
1390 ACPI_DEBUG_PRINT((ACPI_DB_ERROR, 1442 ACPI_EXCEPTION((AE_INFO, AE_ERROR,
1391 "acpi_ac_get_present() failed\n")); 1443 "acpi_ac_get_present() failed"));
1392 } 1444 }
1393 1445
1394 new_ac_present = acpi_ac_is_present(sbs); 1446 new_ac_present = sbs->ac.ac_present;
1395 1447
1396 do_ac_init = (old_ac_present != new_ac_present); 1448 do_ac_init = (old_ac_present != new_ac_present);
1449 if (sbs->run_cnt == 1 && data_type == DATA_TYPE_COMMON) {
1450 do_ac_init = 1;
1451 }
1397 1452
1398 if (data_type == DATA_TYPE_AC_STATE) { 1453 if (do_ac_init) {
1454 result = acpi_sbs_generate_event(sbs->device,
1455 ACPI_SBS_AC_NOTIFY_STATUS,
1456 new_ac_present,
1457 ACPI_AC_DIR_NAME,
1458 ACPI_AC_CLASS);
1459 if (result) {
1460 ACPI_EXCEPTION((AE_INFO, AE_ERROR,
1461 "acpi_sbs_generate_event() failed"));
1462 }
1463 }
1464
1465 if (data_type == DATA_TYPE_COMMON) {
1466 if (!do_ac_init && !update_battery) {
1467 goto end;
1468 }
1469 }
1470
1471 if (data_type == DATA_TYPE_AC_STATE && !do_ac_init) {
1399 goto end; 1472 goto end;
1400 } 1473 }
1401 1474
1402 for (id = 0; id < MAX_SBS_BAT; id++) { 1475 for (id = id_min; id <= id_max; id++) {
1403 battery = &sbs->battery[id]; 1476 battery = &sbs->battery[id];
1404 if (battery->alive == 0) { 1477 if (battery->alive == 0) {
1405 continue; 1478 continue;
@@ -1407,94 +1480,92 @@ static int acpi_sbs_update_run(struct acpi_sbs *sbs, int data_type)
1407 1480
1408 old_remaining_capacity = battery->state.remaining_capacity; 1481 old_remaining_capacity = battery->state.remaining_capacity;
1409 1482
1410 old_battery_present = acpi_battery_is_present(battery); 1483 old_battery_present = battery->battery_present;
1411 1484
1412 result = acpi_battery_select(battery); 1485 result = acpi_battery_select(battery);
1413 if (result) { 1486 if (result) {
1414 ACPI_DEBUG_PRINT((ACPI_DB_ERROR, 1487 ACPI_EXCEPTION((AE_INFO, AE_ERROR,
1415 "acpi_battery_select() failed\n")); 1488 "acpi_battery_select() failed"));
1416 }
1417 if (sbs->zombie) {
1418 goto end;
1419 } 1489 }
1420 1490
1421 result = acpi_battery_get_present(battery); 1491 result = acpi_battery_get_present(battery);
1422 if (result) { 1492 if (result) {
1423 ACPI_DEBUG_PRINT((ACPI_DB_ERROR, 1493 ACPI_EXCEPTION((AE_INFO, AE_ERROR,
1424 "acpi_battery_get_present() failed\n")); 1494 "acpi_battery_get_present() failed"));
1425 }
1426 if (sbs->zombie) {
1427 goto end;
1428 } 1495 }
1429 1496
1430 new_battery_present = acpi_battery_is_present(battery); 1497 new_battery_present = battery->battery_present;
1431 1498
1432 do_battery_init = ((old_battery_present != new_battery_present) 1499 do_battery_init = ((old_battery_present != new_battery_present)
1433 && new_battery_present); 1500 && new_battery_present);
1434 1501 if (!new_battery_present)
1435 if (sbs->zombie) { 1502 goto event;
1503 if (do_ac_init || do_battery_init) {
1504 result = acpi_battery_init(battery);
1505 if (result) {
1506 ACPI_EXCEPTION((AE_INFO, AE_ERROR,
1507 "acpi_battery_init() "
1508 "failed"));
1509 }
1510 }
1511 if (sbs_zombie(sbs)) {
1436 goto end; 1512 goto end;
1437 } 1513 }
1438 if (do_ac_init || do_battery_init || 1514
1439 update_info_mode || sbs->update_info_mode) { 1515 if ((data_type == DATA_TYPE_COMMON
1440 if (sbs->update_info_mode) { 1516 || data_type == DATA_TYPE_INFO)
1441 sbs->update_info_mode = 0; 1517 && new_battery_present) {
1442 } else { 1518 result = acpi_battery_get_info(battery);
1443 sbs->update_info_mode = 1;
1444 }
1445 result = acpi_battery_init(battery);
1446 if (result) { 1519 if (result) {
1447 ACPI_DEBUG_PRINT((ACPI_DB_ERROR, 1520 ACPI_EXCEPTION((AE_INFO, AE_ERROR,
1448 "acpi_battery_init() " 1521 "acpi_battery_get_info() failed"));
1449 "failed\n"));
1450 } 1522 }
1451 } 1523 }
1452 if (data_type == DATA_TYPE_INFO) { 1524 if (data_type == DATA_TYPE_INFO) {
1453 continue; 1525 continue;
1454 } 1526 }
1455 1527 if (sbs_zombie(sbs)) {
1456 if (sbs->zombie) {
1457 goto end; 1528 goto end;
1458 } 1529 }
1459 if (new_battery_present) {
1460 result = acpi_battery_get_alarm(battery);
1461 if (result) {
1462 ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
1463 "acpi_battery_get_alarm() "
1464 "failed\n"));
1465 }
1466 if (data_type == DATA_TYPE_ALARM) {
1467 continue;
1468 }
1469 1530
1531 if ((data_type == DATA_TYPE_COMMON
1532 || data_type == DATA_TYPE_STATE)
1533 && new_battery_present) {
1470 result = acpi_battery_get_state(battery); 1534 result = acpi_battery_get_state(battery);
1471 if (result) { 1535 if (result) {
1472 ACPI_DEBUG_PRINT((ACPI_DB_ERROR, 1536 ACPI_EXCEPTION((AE_INFO, AE_ERROR,
1473 "acpi_battery_get_state() " 1537 "acpi_battery_get_state() failed"));
1474 "failed\n"));
1475 } 1538 }
1476 } 1539 }
1477 if (sbs->zombie) { 1540 if (data_type == DATA_TYPE_STATE) {
1478 goto end; 1541 goto event;
1479 } 1542 }
1480 if (data_type != DATA_TYPE_COMMON) { 1543 if (sbs_zombie(sbs)) {
1481 continue; 1544 goto end;
1482 } 1545 }
1483 1546
1484 if (old_battery_present != new_battery_present) { 1547 if ((data_type == DATA_TYPE_COMMON
1485 sprintf(dir_name, ACPI_BATTERY_DIR_NAME, id); 1548 || data_type == DATA_TYPE_ALARM)
1486 result = acpi_sbs_generate_event(sbs->device, 1549 && new_battery_present) {
1487 ACPI_SBS_BATTERY_NOTIFY_STATUS, 1550 result = acpi_battery_get_alarm(battery);
1488 new_battery_present,
1489 dir_name,
1490 ACPI_BATTERY_CLASS);
1491 if (result) { 1551 if (result) {
1492 ACPI_DEBUG_PRINT((ACPI_DB_ERROR, 1552 ACPI_EXCEPTION((AE_INFO, AE_ERROR,
1493 "acpi_sbs_generate_event() " 1553 "acpi_battery_get_alarm() "
1494 "failed\n")); 1554 "failed"));
1495 } 1555 }
1496 } 1556 }
1497 if (old_remaining_capacity != battery->state.remaining_capacity) { 1557 if (data_type == DATA_TYPE_ALARM) {
1558 continue;
1559 }
1560 if (sbs_zombie(sbs)) {
1561 goto end;
1562 }
1563
1564 event:
1565
1566 if (old_battery_present != new_battery_present || do_ac_init ||
1567 old_remaining_capacity !=
1568 battery->state.remaining_capacity) {
1498 sprintf(dir_name, ACPI_BATTERY_DIR_NAME, id); 1569 sprintf(dir_name, ACPI_BATTERY_DIR_NAME, id);
1499 result = acpi_sbs_generate_event(sbs->device, 1570 result = acpi_sbs_generate_event(sbs->device,
1500 ACPI_SBS_BATTERY_NOTIFY_STATUS, 1571 ACPI_SBS_BATTERY_NOTIFY_STATUS,
@@ -1502,138 +1573,120 @@ static int acpi_sbs_update_run(struct acpi_sbs *sbs, int data_type)
1502 dir_name, 1573 dir_name,
1503 ACPI_BATTERY_CLASS); 1574 ACPI_BATTERY_CLASS);
1504 if (result) { 1575 if (result) {
1505 ACPI_DEBUG_PRINT((ACPI_DB_ERROR, 1576 ACPI_EXCEPTION((AE_INFO, AE_ERROR,
1506 "acpi_sbs_generate_event() failed\n")); 1577 "acpi_sbs_generate_event() "
1578 "failed"));
1507 } 1579 }
1508 } 1580 }
1509
1510 }
1511 if (sbs->zombie) {
1512 goto end;
1513 }
1514 if (data_type != DATA_TYPE_COMMON) {
1515 goto end;
1516 }
1517
1518 if (old_ac_present != new_ac_present) {
1519 result = acpi_sbs_generate_event(sbs->device,
1520 ACPI_SBS_AC_NOTIFY_STATUS,
1521 new_ac_present,
1522 ACPI_AC_DIR_NAME,
1523 ACPI_AC_CLASS);
1524 if (result) {
1525 ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
1526 "acpi_sbs_generate_event() failed\n"));
1527 }
1528 } 1581 }
1529 1582
1530 end: 1583 end:
1584
1531 return result; 1585 return result;
1532} 1586}
1533 1587
1534static void acpi_sbs_update_queue(void *data) 1588static void acpi_sbs_update_time(void *data)
1535{ 1589{
1536 struct acpi_sbs *sbs = data; 1590 struct acpi_sbs *sbs = data;
1537 unsigned long delay = -1; 1591 unsigned long delay = -1;
1538 int result; 1592 int result;
1593 unsigned int up_tm = update_time;
1539 1594
1540 if (sbs->zombie) { 1595 if (sbs_mutex_lock(sbs))
1541 goto end; 1596 return;
1542 }
1543 1597
1544 result = acpi_sbs_update_run(sbs, DATA_TYPE_COMMON); 1598 result = acpi_sbs_update_run(sbs, -1, DATA_TYPE_COMMON);
1545 if (result) { 1599 if (result) {
1546 ACPI_DEBUG_PRINT((ACPI_DB_ERROR, 1600 ACPI_EXCEPTION((AE_INFO, AE_ERROR,
1547 "acpi_sbs_update_run() failed\n")); 1601 "acpi_sbs_update_run() failed"));
1548 } 1602 }
1549 1603
1550 if (sbs->zombie) { 1604 if (sbs_zombie(sbs)) {
1551 goto end; 1605 goto end;
1552 } 1606 }
1553 1607
1554 if (update_mode == REQUEST_UPDATE_MODE) { 1608 if (!up_tm) {
1555 goto end; 1609 if (timer_pending(&sbs->update_timer))
1610 del_timer(&sbs->update_timer);
1611 } else {
1612 delay = (up_tm > UPDATE_DELAY ? UPDATE_DELAY : up_tm);
1613 delay = jiffies + HZ * delay;
1614 if (timer_pending(&sbs->update_timer)) {
1615 mod_timer(&sbs->update_timer, delay);
1616 } else {
1617 sbs->update_timer.data = (unsigned long)data;
1618 sbs->update_timer.function = acpi_sbs_update_time_run;
1619 sbs->update_timer.expires = delay;
1620 add_timer(&sbs->update_timer);
1621 }
1556 } 1622 }
1557 1623
1558 delay = jiffies + HZ * update_time;
1559 sbs->update_timer.data = (unsigned long)data;
1560 sbs->update_timer.function = acpi_sbs_update_queue_run;
1561 sbs->update_timer.expires = delay;
1562 add_timer(&sbs->update_timer);
1563 end: 1624 end:
1564 ; 1625
1626 sbs_mutex_unlock(sbs);
1565} 1627}
1566 1628
1567static int acpi_sbs_add(struct acpi_device *device) 1629static int acpi_sbs_add(struct acpi_device *device)
1568{ 1630{
1569 struct acpi_sbs *sbs = NULL; 1631 struct acpi_sbs *sbs = NULL;
1570 struct acpi_ec_hc *ec_hc = NULL; 1632 int result = 0, remove_result = 0;
1571 int result, remove_result = 0;
1572 unsigned long sbs_obj; 1633 unsigned long sbs_obj;
1573 int id, cnt; 1634 int id;
1574 acpi_status status = AE_OK; 1635 acpi_status status = AE_OK;
1636 unsigned long val;
1637
1638 status =
1639 acpi_evaluate_integer(device->parent->handle, "_EC", NULL, &val);
1640 if (ACPI_FAILURE(status)) {
1641 ACPI_EXCEPTION((AE_INFO, AE_ERROR, "Error obtaining _EC"));
1642 return -EIO;
1643 }
1575 1644
1576 sbs = kzalloc(sizeof(struct acpi_sbs), GFP_KERNEL); 1645 sbs = kzalloc(sizeof(struct acpi_sbs), GFP_KERNEL);
1577 if (!sbs) { 1646 if (!sbs) {
1578 ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "kmalloc() failed\n")); 1647 ACPI_EXCEPTION((AE_INFO, AE_ERROR, "kzalloc() failed"));
1579 return -ENOMEM; 1648 result = -ENOMEM;
1649 goto end;
1580 } 1650 }
1581 1651
1582 cnt = 0; 1652 mutex_init(&sbs->mutex);
1583 while (cnt < 10) {
1584 cnt++;
1585 ec_hc = acpi_get_ec_hc(device);
1586 if (ec_hc) {
1587 break;
1588 }
1589 msleep(1000);
1590 }
1591 1653
1592 if (!ec_hc) { 1654 sbs_mutex_lock(sbs);
1593 ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
1594 "acpi_get_ec_hc() failed: "
1595 "NO driver found for EC HC SMBus\n"));
1596 result = -ENODEV;
1597 goto end;
1598 }
1599 1655
1656 sbs->base = (val & 0xff00ull) >> 8;
1600 sbs->device = device; 1657 sbs->device = device;
1601 sbs->smbus = ec_hc->smbus;
1602 1658
1603 strcpy(acpi_device_name(device), ACPI_SBS_DEVICE_NAME); 1659 strcpy(acpi_device_name(device), ACPI_SBS_DEVICE_NAME);
1604 strcpy(acpi_device_class(device), ACPI_SBS_CLASS); 1660 strcpy(acpi_device_class(device), ACPI_SBS_CLASS);
1605 acpi_driver_data(device) = sbs; 1661 acpi_driver_data(device) = sbs;
1606 1662
1607 sbs->update_time = 0;
1608 sbs->update_time2 = 0;
1609
1610 result = acpi_ac_add(sbs); 1663 result = acpi_ac_add(sbs);
1611 if (result) { 1664 if (result) {
1612 ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "acpi_ac_add() failed\n")); 1665 ACPI_EXCEPTION((AE_INFO, AE_ERROR, "acpi_ac_add() failed"));
1613 goto end; 1666 goto end;
1614 } 1667 }
1615 result = acpi_evaluate_integer(device->handle, "_SBS", NULL, &sbs_obj); 1668 status = acpi_evaluate_integer(device->handle, "_SBS", NULL, &sbs_obj);
1616 if (ACPI_FAILURE(result)) { 1669 if (status) {
1617 ACPI_DEBUG_PRINT((ACPI_DB_ERROR, 1670 ACPI_EXCEPTION((AE_INFO, status,
1618 "acpi_evaluate_integer() failed\n")); 1671 "acpi_evaluate_integer() failed"));
1619 result = -EIO; 1672 result = -EIO;
1620 goto end; 1673 goto end;
1621 } 1674 }
1622
1623 if (sbs_obj > 0) { 1675 if (sbs_obj > 0) {
1624 result = acpi_sbsm_get_info(sbs); 1676 result = acpi_sbsm_get_info(sbs);
1625 if (result) { 1677 if (result) {
1626 ACPI_DEBUG_PRINT((ACPI_DB_ERROR, 1678 ACPI_EXCEPTION((AE_INFO, AE_ERROR,
1627 "acpi_sbsm_get_info() failed\n")); 1679 "acpi_sbsm_get_info() failed"));
1628 goto end; 1680 goto end;
1629 } 1681 }
1630 sbs->sbsm_present = 1; 1682 sbs->sbsm_present = 1;
1631 } 1683 }
1684
1632 if (sbs->sbsm_present == 0) { 1685 if (sbs->sbsm_present == 0) {
1633 result = acpi_battery_add(sbs, 0); 1686 result = acpi_battery_add(sbs, 0);
1634 if (result) { 1687 if (result) {
1635 ACPI_DEBUG_PRINT((ACPI_DB_ERROR, 1688 ACPI_EXCEPTION((AE_INFO, AE_ERROR,
1636 "acpi_battery_add() failed\n")); 1689 "acpi_battery_add() failed"));
1637 goto end; 1690 goto end;
1638 } 1691 }
1639 } else { 1692 } else {
@@ -1641,9 +1694,8 @@ static int acpi_sbs_add(struct acpi_device *device)
1641 if ((sbs->sbsm_batteries_supported & (1 << id))) { 1694 if ((sbs->sbsm_batteries_supported & (1 << id))) {
1642 result = acpi_battery_add(sbs, id); 1695 result = acpi_battery_add(sbs, id);
1643 if (result) { 1696 if (result) {
1644 ACPI_DEBUG_PRINT((ACPI_DB_ERROR, 1697 ACPI_EXCEPTION((AE_INFO, AE_ERROR,
1645 "acpi_battery_add() " 1698 "acpi_battery_add() failed"));
1646 "failed\n"));
1647 goto end; 1699 goto end;
1648 } 1700 }
1649 } 1701 }
@@ -1653,33 +1705,26 @@ static int acpi_sbs_add(struct acpi_device *device)
1653 sbs->handle = device->handle; 1705 sbs->handle = device->handle;
1654 1706
1655 init_timer(&sbs->update_timer); 1707 init_timer(&sbs->update_timer);
1656 if (update_mode == QUEUE_UPDATE_MODE) { 1708 result = acpi_check_update_proc(sbs);
1657 status = acpi_os_execute(OSL_GPE_HANDLER, 1709 if (result)
1658 acpi_sbs_update_queue, sbs); 1710 goto end;
1659 if (status != AE_OK) {
1660 ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
1661 "acpi_os_execute() failed\n"));
1662 }
1663 }
1664 sbs->update_time = update_time;
1665 sbs->update_time2 = update_time2;
1666
1667 printk(KERN_INFO PREFIX "%s [%s]\n",
1668 acpi_device_name(device), acpi_device_bid(device));
1669 1711
1670 end: 1712 end:
1713
1714 sbs_mutex_unlock(sbs);
1715
1671 if (result) { 1716 if (result) {
1672 remove_result = acpi_sbs_remove(device, 0); 1717 remove_result = acpi_sbs_remove(device, 0);
1673 if (remove_result) { 1718 if (remove_result) {
1674 ACPI_DEBUG_PRINT((ACPI_DB_ERROR, 1719 ACPI_EXCEPTION((AE_INFO, AE_ERROR,
1675 "acpi_sbs_remove() failed\n")); 1720 "acpi_sbs_remove() failed"));
1676 } 1721 }
1677 } 1722 }
1678 1723
1679 return result; 1724 return result;
1680} 1725}
1681 1726
1682int acpi_sbs_remove(struct acpi_device *device, int type) 1727static int acpi_sbs_remove(struct acpi_device *device, int type)
1683{ 1728{
1684 struct acpi_sbs *sbs; 1729 struct acpi_sbs *sbs;
1685 int id; 1730 int id;
@@ -1688,15 +1733,14 @@ int acpi_sbs_remove(struct acpi_device *device, int type)
1688 return -EINVAL; 1733 return -EINVAL;
1689 } 1734 }
1690 1735
1691 sbs = (struct acpi_sbs *)acpi_driver_data(device); 1736 sbs = acpi_driver_data(device);
1692
1693 if (!sbs) { 1737 if (!sbs) {
1694 return -EINVAL; 1738 return -EINVAL;
1695 } 1739 }
1696 1740
1741 sbs_mutex_lock(sbs);
1742
1697 sbs->zombie = 1; 1743 sbs->zombie = 1;
1698 sbs->update_time = 0;
1699 sbs->update_time2 = 0;
1700 del_timer_sync(&sbs->update_timer); 1744 del_timer_sync(&sbs->update_timer);
1701 acpi_os_wait_events_complete(NULL); 1745 acpi_os_wait_events_complete(NULL);
1702 del_timer_sync(&sbs->update_timer); 1746 del_timer_sync(&sbs->update_timer);
@@ -1707,11 +1751,41 @@ int acpi_sbs_remove(struct acpi_device *device, int type)
1707 1751
1708 acpi_ac_remove(sbs); 1752 acpi_ac_remove(sbs);
1709 1753
1754 sbs_mutex_unlock(sbs);
1755
1756 mutex_destroy(&sbs->mutex);
1757
1710 kfree(sbs); 1758 kfree(sbs);
1711 1759
1712 return 0; 1760 return 0;
1713} 1761}
1714 1762
1763static void acpi_sbs_rmdirs(void)
1764{
1765 if (acpi_ac_dir) {
1766 acpi_unlock_ac_dir(acpi_ac_dir);
1767 acpi_ac_dir = NULL;
1768 }
1769 if (acpi_battery_dir) {
1770 acpi_unlock_battery_dir(acpi_battery_dir);
1771 acpi_battery_dir = NULL;
1772 }
1773}
1774
1775static int acpi_sbs_resume(struct acpi_device *device)
1776{
1777 struct acpi_sbs *sbs;
1778
1779 if (!device)
1780 return -EINVAL;
1781
1782 sbs = device->driver_data;
1783
1784 sbs->run_cnt = 0;
1785
1786 return 0;
1787}
1788
1715static int __init acpi_sbs_init(void) 1789static int __init acpi_sbs_init(void)
1716{ 1790{
1717 int result = 0; 1791 int result = 0;
@@ -1719,35 +1793,34 @@ static int __init acpi_sbs_init(void)
1719 if (acpi_disabled) 1793 if (acpi_disabled)
1720 return -ENODEV; 1794 return -ENODEV;
1721 1795
1722 init_MUTEX(&sbs_sem);
1723
1724 if (capacity_mode != DEF_CAPACITY_UNIT 1796 if (capacity_mode != DEF_CAPACITY_UNIT
1725 && capacity_mode != MAH_CAPACITY_UNIT 1797 && capacity_mode != MAH_CAPACITY_UNIT
1726 && capacity_mode != MWH_CAPACITY_UNIT) { 1798 && capacity_mode != MWH_CAPACITY_UNIT) {
1727 ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "acpi_sbs_init: " 1799 ACPI_EXCEPTION((AE_INFO, AE_ERROR,
1728 "invalid capacity_mode = %d\n", 1800 "invalid capacity_mode = %d", capacity_mode));
1729 capacity_mode));
1730 return -EINVAL; 1801 return -EINVAL;
1731 } 1802 }
1732 1803
1733 acpi_ac_dir = acpi_lock_ac_dir(); 1804 acpi_ac_dir = acpi_lock_ac_dir();
1734 if (!acpi_ac_dir) { 1805 if (!acpi_ac_dir) {
1735 ACPI_DEBUG_PRINT((ACPI_DB_ERROR, 1806 ACPI_EXCEPTION((AE_INFO, AE_ERROR,
1736 "acpi_lock_ac_dir() failed\n")); 1807 "acpi_lock_ac_dir() failed"));
1737 return -ENODEV; 1808 return -ENODEV;
1738 } 1809 }
1739 1810
1740 acpi_battery_dir = acpi_lock_battery_dir(); 1811 acpi_battery_dir = acpi_lock_battery_dir();
1741 if (!acpi_battery_dir) { 1812 if (!acpi_battery_dir) {
1742 ACPI_DEBUG_PRINT((ACPI_DB_ERROR, 1813 ACPI_EXCEPTION((AE_INFO, AE_ERROR,
1743 "acpi_lock_battery_dir() failed\n")); 1814 "acpi_lock_battery_dir() failed"));
1815 acpi_sbs_rmdirs();
1744 return -ENODEV; 1816 return -ENODEV;
1745 } 1817 }
1746 1818
1747 result = acpi_bus_register_driver(&acpi_sbs_driver); 1819 result = acpi_bus_register_driver(&acpi_sbs_driver);
1748 if (result < 0) { 1820 if (result < 0) {
1749 ACPI_DEBUG_PRINT((ACPI_DB_ERROR, 1821 ACPI_EXCEPTION((AE_INFO, AE_ERROR,
1750 "acpi_bus_register_driver() failed\n")); 1822 "acpi_bus_register_driver() failed"));
1823 acpi_sbs_rmdirs();
1751 return -ENODEV; 1824 return -ENODEV;
1752 } 1825 }
1753 1826
@@ -1756,13 +1829,9 @@ static int __init acpi_sbs_init(void)
1756 1829
1757static void __exit acpi_sbs_exit(void) 1830static void __exit acpi_sbs_exit(void)
1758{ 1831{
1759
1760 acpi_bus_unregister_driver(&acpi_sbs_driver); 1832 acpi_bus_unregister_driver(&acpi_sbs_driver);
1761 1833
1762 acpi_unlock_ac_dir(acpi_ac_dir); 1834 acpi_sbs_rmdirs();
1763 acpi_ac_dir = NULL;
1764 acpi_unlock_battery_dir(acpi_battery_dir);
1765 acpi_battery_dir = NULL;
1766 1835
1767 return; 1836 return;
1768} 1837}
generated by cgit v1.2.2 (git 2.25.0) at 2025-11-05 07:50:00 -0500