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-rw-r--r--drivers/acpi/sbs.c1869
1 files changed, 539 insertions, 1330 deletions
diff --git a/drivers/acpi/sbs.c b/drivers/acpi/sbs.c
index a578986e3214..90fd09c65f95 100644
--- a/drivers/acpi/sbs.c
+++ b/drivers/acpi/sbs.c
@@ -1,6 +1,8 @@
1/* 1/*
2 * acpi_sbs.c - ACPI Smart Battery System Driver ($Revision: 1.16 $) 2 * sbs.c - ACPI Smart Battery System Driver ($Revision: 2.0 $)
3 * 3 *
4 * Copyright (c) 2007 Alexey Starikovskiy <astarikovskiy@suse.de>
5 * Copyright (c) 2005-2007 Vladimir Lebedev <vladimir.p.lebedev@intel.com>
4 * Copyright (c) 2005 Rich Townsend <rhdt@bartol.udel.edu> 6 * Copyright (c) 2005 Rich Townsend <rhdt@bartol.udel.edu>
5 * 7 *
6 * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 8 * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
@@ -26,15 +28,22 @@
26#include <linux/module.h> 28#include <linux/module.h>
27#include <linux/moduleparam.h> 29#include <linux/moduleparam.h>
28#include <linux/kernel.h> 30#include <linux/kernel.h>
31
32#ifdef CONFIG_ACPI_PROCFS
29#include <linux/proc_fs.h> 33#include <linux/proc_fs.h>
30#include <linux/seq_file.h> 34#include <linux/seq_file.h>
31#include <asm/uaccess.h> 35#include <asm/uaccess.h>
36#endif
37
32#include <linux/acpi.h> 38#include <linux/acpi.h>
33#include <linux/timer.h> 39#include <linux/timer.h>
34#include <linux/jiffies.h> 40#include <linux/jiffies.h>
35#include <linux/delay.h> 41#include <linux/delay.h>
36 42
37#define ACPI_SBS_COMPONENT 0x00080000 43#include <linux/power_supply.h>
44
45#include "sbshc.h"
46
38#define ACPI_SBS_CLASS "sbs" 47#define ACPI_SBS_CLASS "sbs"
39#define ACPI_AC_CLASS "ac_adapter" 48#define ACPI_AC_CLASS "ac_adapter"
40#define ACPI_BATTERY_CLASS "battery" 49#define ACPI_BATTERY_CLASS "battery"
@@ -44,836 +53,436 @@
44#define ACPI_SBS_FILE_ALARM "alarm" 53#define ACPI_SBS_FILE_ALARM "alarm"
45#define ACPI_BATTERY_DIR_NAME "BAT%i" 54#define ACPI_BATTERY_DIR_NAME "BAT%i"
46#define ACPI_AC_DIR_NAME "AC0" 55#define ACPI_AC_DIR_NAME "AC0"
47#define ACPI_SBC_SMBUS_ADDR 0x9
48#define ACPI_SBSM_SMBUS_ADDR 0xa
49#define ACPI_SB_SMBUS_ADDR 0xb
50#define ACPI_SBS_AC_NOTIFY_STATUS 0x80
51#define ACPI_SBS_BATTERY_NOTIFY_STATUS 0x80
52#define ACPI_SBS_BATTERY_NOTIFY_INFO 0x81
53 56
54#define _COMPONENT ACPI_SBS_COMPONENT 57enum acpi_sbs_device_addr {
58 ACPI_SBS_CHARGER = 0x9,
59 ACPI_SBS_MANAGER = 0xa,
60 ACPI_SBS_BATTERY = 0xb,
61};
55 62
56ACPI_MODULE_NAME("sbs"); 63#define ACPI_SBS_NOTIFY_STATUS 0x80
64#define ACPI_SBS_NOTIFY_INFO 0x81
57 65
58MODULE_AUTHOR("Rich Townsend"); 66MODULE_AUTHOR("Alexey Starikovskiy <astarikovskiy@suse.de>");
59MODULE_DESCRIPTION("Smart Battery System ACPI interface driver"); 67MODULE_DESCRIPTION("Smart Battery System ACPI interface driver");
60MODULE_LICENSE("GPL"); 68MODULE_LICENSE("GPL");
61 69
62#define xmsleep(t) msleep(t) 70static unsigned int cache_time = 1000;
63 71module_param(cache_time, uint, 0644);
64#define ACPI_EC_SMB_PRTCL 0x00 /* protocol, PEC */ 72MODULE_PARM_DESC(cache_time, "cache time in milliseconds");
65
66#define ACPI_EC_SMB_STS 0x01 /* status */
67#define ACPI_EC_SMB_ADDR 0x02 /* address */
68#define ACPI_EC_SMB_CMD 0x03 /* command */
69#define ACPI_EC_SMB_DATA 0x04 /* 32 data registers */
70#define ACPI_EC_SMB_BCNT 0x24 /* number of data bytes */
71
72#define ACPI_EC_SMB_STS_DONE 0x80
73#define ACPI_EC_SMB_STS_STATUS 0x1f
74
75#define ACPI_EC_SMB_PRTCL_WRITE 0x00
76#define ACPI_EC_SMB_PRTCL_READ 0x01
77#define ACPI_EC_SMB_PRTCL_WORD_DATA 0x08
78#define ACPI_EC_SMB_PRTCL_BLOCK_DATA 0x0a
79
80#define ACPI_EC_SMB_TRANSACTION_SLEEP 1
81#define ACPI_EC_SMB_ACCESS_SLEEP1 1
82#define ACPI_EC_SMB_ACCESS_SLEEP2 10
83
84#define DEF_CAPACITY_UNIT 3
85#define MAH_CAPACITY_UNIT 1
86#define MWH_CAPACITY_UNIT 2
87#define CAPACITY_UNIT DEF_CAPACITY_UNIT
88
89#define REQUEST_UPDATE_MODE 1
90#define QUEUE_UPDATE_MODE 2
91
92#define DATA_TYPE_COMMON 0
93#define DATA_TYPE_INFO 1
94#define DATA_TYPE_STATE 2
95#define DATA_TYPE_ALARM 3
96#define DATA_TYPE_AC_STATE 4
97 73
98extern struct proc_dir_entry *acpi_lock_ac_dir(void); 74extern struct proc_dir_entry *acpi_lock_ac_dir(void);
99extern struct proc_dir_entry *acpi_lock_battery_dir(void); 75extern struct proc_dir_entry *acpi_lock_battery_dir(void);
100extern void acpi_unlock_ac_dir(struct proc_dir_entry *acpi_ac_dir); 76extern void acpi_unlock_ac_dir(struct proc_dir_entry *acpi_ac_dir);
101extern void acpi_unlock_battery_dir(struct proc_dir_entry *acpi_battery_dir); 77extern void acpi_unlock_battery_dir(struct proc_dir_entry *acpi_battery_dir);
102 78
103#define MAX_SBS_BAT 4 79#define MAX_SBS_BAT 4
104#define ACPI_SBS_BLOCK_MAX 32 80#define ACPI_SBS_BLOCK_MAX 32
105 81
106#define ACPI_SBS_SMBUS_READ 1
107#define ACPI_SBS_SMBUS_WRITE 2
108
109#define ACPI_SBS_WORD_DATA 1
110#define ACPI_SBS_BLOCK_DATA 2
111
112#define UPDATE_DELAY 10
113
114/* 0 - every time, > 0 - by update_time */
115static unsigned int update_time = 120;
116
117static unsigned int capacity_mode = CAPACITY_UNIT;
118
119module_param(update_time, uint, 0644);
120module_param(capacity_mode, uint, 0444);
121
122static int acpi_sbs_add(struct acpi_device *device);
123static int acpi_sbs_remove(struct acpi_device *device, int type);
124static int acpi_sbs_resume(struct acpi_device *device);
125
126static const struct acpi_device_id sbs_device_ids[] = { 82static const struct acpi_device_id sbs_device_ids[] = {
127 {"ACPI0001", 0}, 83 {"ACPI0002", 0},
128 {"ACPI0005", 0},
129 {"", 0}, 84 {"", 0},
130}; 85};
131MODULE_DEVICE_TABLE(acpi, sbs_device_ids); 86MODULE_DEVICE_TABLE(acpi, sbs_device_ids);
132 87
133static struct acpi_driver acpi_sbs_driver = {
134 .name = "sbs",
135 .class = ACPI_SBS_CLASS,
136 .ids = sbs_device_ids,
137 .ops = {
138 .add = acpi_sbs_add,
139 .remove = acpi_sbs_remove,
140 .resume = acpi_sbs_resume,
141 },
142};
143
144struct acpi_ac {
145 int ac_present;
146};
147
148struct acpi_battery_info {
149 int capacity_mode;
150 s16 full_charge_capacity;
151 s16 design_capacity;
152 s16 design_voltage;
153 int vscale;
154 int ipscale;
155 s16 serial_number;
156 char manufacturer_name[ACPI_SBS_BLOCK_MAX + 3];
157 char device_name[ACPI_SBS_BLOCK_MAX + 3];
158 char device_chemistry[ACPI_SBS_BLOCK_MAX + 3];
159};
160
161struct acpi_battery_state {
162 s16 voltage;
163 s16 amperage;
164 s16 remaining_capacity;
165 s16 battery_state;
166};
167
168struct acpi_battery_alarm {
169 s16 remaining_capacity;
170};
171
172struct acpi_battery { 88struct acpi_battery {
173 int alive; 89 struct power_supply bat;
174 int id;
175 int init_state;
176 int battery_present;
177 struct acpi_sbs *sbs; 90 struct acpi_sbs *sbs;
178 struct acpi_battery_info info; 91#ifdef CONFIG_ACPI_PROCFS
179 struct acpi_battery_state state; 92 struct proc_dir_entry *proc_entry;
180 struct acpi_battery_alarm alarm; 93#endif
181 struct proc_dir_entry *battery_entry; 94 unsigned long update_time;
95 char name[8];
96 char manufacturer_name[ACPI_SBS_BLOCK_MAX];
97 char device_name[ACPI_SBS_BLOCK_MAX];
98 char device_chemistry[ACPI_SBS_BLOCK_MAX];
99 u16 alarm_capacity;
100 u16 full_charge_capacity;
101 u16 design_capacity;
102 u16 design_voltage;
103 u16 serial_number;
104 u16 cycle_count;
105 u16 temp_now;
106 u16 voltage_now;
107 s16 current_now;
108 s16 current_avg;
109 u16 capacity_now;
110 u16 state_of_charge;
111 u16 state;
112 u16 mode;
113 u16 spec;
114 u8 id;
115 u8 present:1;
182}; 116};
183 117
118#define to_acpi_battery(x) container_of(x, struct acpi_battery, bat);
119
184struct acpi_sbs { 120struct acpi_sbs {
185 int base; 121 struct power_supply charger;
186 struct acpi_device *device; 122 struct acpi_device *device;
187 struct mutex mutex; 123 struct acpi_smb_hc *hc;
188 int sbsm_present; 124 struct mutex lock;
189 int sbsm_batteries_supported; 125#ifdef CONFIG_ACPI_PROCFS
190 struct proc_dir_entry *ac_entry; 126 struct proc_dir_entry *charger_entry;
191 struct acpi_ac ac; 127#endif
192 struct acpi_battery battery[MAX_SBS_BAT]; 128 struct acpi_battery battery[MAX_SBS_BAT];
193 int zombie; 129 u8 batteries_supported:4;
194 struct timer_list update_timer; 130 u8 manager_present:1;
195 int run_cnt; 131 u8 charger_present:1;
196 int update_proc_flg;
197}; 132};
198 133
199static int acpi_sbs_update_run(struct acpi_sbs *sbs, int id, int data_type); 134#define to_acpi_sbs(x) container_of(x, struct acpi_sbs, charger)
200static void acpi_sbs_update_time(void *data);
201 135
202union sbs_rw_data { 136static inline int battery_scale(int log)
203 u16 word;
204 u8 block[ACPI_SBS_BLOCK_MAX + 2];
205};
206
207static int acpi_ec_sbs_access(struct acpi_sbs *sbs, u16 addr,
208 char read_write, u8 command, int size,
209 union sbs_rw_data *data);
210
211/* --------------------------------------------------------------------------
212 SMBus Communication
213 -------------------------------------------------------------------------- */
214
215static int acpi_ec_sbs_read(struct acpi_sbs *sbs, u8 address, u8 * data)
216{ 137{
217 u8 val; 138 int scale = 1;
218 int err; 139 while (log--)
219 140 scale *= 10;
220 err = ec_read(sbs->base + address, &val); 141 return scale;
221 if (!err) {
222 *data = val;
223 }
224 xmsleep(ACPI_EC_SMB_TRANSACTION_SLEEP);
225 return (err);
226}
227
228static int acpi_ec_sbs_write(struct acpi_sbs *sbs, u8 address, u8 data)
229{
230 int err;
231
232 err = ec_write(sbs->base + address, data);
233 return (err);
234}
235
236static int
237acpi_ec_sbs_access(struct acpi_sbs *sbs, u16 addr,
238 char read_write, u8 command, int size,
239 union sbs_rw_data *data)
240{
241 unsigned char protocol, len = 0, temp[2] = { 0, 0 };
242 int i;
243
244 if (read_write == ACPI_SBS_SMBUS_READ) {
245 protocol = ACPI_EC_SMB_PRTCL_READ;
246 } else {
247 protocol = ACPI_EC_SMB_PRTCL_WRITE;
248 }
249
250 switch (size) {
251
252 case ACPI_SBS_WORD_DATA:
253 acpi_ec_sbs_write(sbs, ACPI_EC_SMB_CMD, command);
254 if (read_write == ACPI_SBS_SMBUS_WRITE) {
255 acpi_ec_sbs_write(sbs, ACPI_EC_SMB_DATA, data->word);
256 acpi_ec_sbs_write(sbs, ACPI_EC_SMB_DATA + 1,
257 data->word >> 8);
258 }
259 protocol |= ACPI_EC_SMB_PRTCL_WORD_DATA;
260 break;
261 case ACPI_SBS_BLOCK_DATA:
262 acpi_ec_sbs_write(sbs, ACPI_EC_SMB_CMD, command);
263 if (read_write == ACPI_SBS_SMBUS_WRITE) {
264 len = min_t(u8, data->block[0], 32);
265 acpi_ec_sbs_write(sbs, ACPI_EC_SMB_BCNT, len);
266 for (i = 0; i < len; i++)
267 acpi_ec_sbs_write(sbs, ACPI_EC_SMB_DATA + i,
268 data->block[i + 1]);
269 }
270 protocol |= ACPI_EC_SMB_PRTCL_BLOCK_DATA;
271 break;
272 default:
273 ACPI_EXCEPTION((AE_INFO, AE_ERROR,
274 "unsupported transaction %d", size));
275 return (-1);
276 }
277
278 acpi_ec_sbs_write(sbs, ACPI_EC_SMB_ADDR, addr << 1);
279 acpi_ec_sbs_write(sbs, ACPI_EC_SMB_PRTCL, protocol);
280
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_SLEEP1);
285 acpi_ec_sbs_read(sbs, ACPI_EC_SMB_STS, temp);
286 }
287 if (~temp[0] & ACPI_EC_SMB_STS_DONE) {
288 xmsleep(ACPI_EC_SMB_ACCESS_SLEEP2);
289 acpi_ec_sbs_read(sbs, ACPI_EC_SMB_STS, temp);
290 }
291 if ((~temp[0] & ACPI_EC_SMB_STS_DONE)
292 || (temp[0] & ACPI_EC_SMB_STS_STATUS)) {
293 ACPI_EXCEPTION((AE_INFO, AE_ERROR,
294 "transaction %d error", size));
295 return (-1);
296 }
297
298 if (read_write == ACPI_SBS_SMBUS_WRITE) {
299 return (0);
300 }
301
302 switch (size) {
303
304 case ACPI_SBS_WORD_DATA:
305 acpi_ec_sbs_read(sbs, ACPI_EC_SMB_DATA, temp);
306 acpi_ec_sbs_read(sbs, ACPI_EC_SMB_DATA + 1, temp + 1);
307 data->word = (temp[1] << 8) | temp[0];
308 break;
309
310 case ACPI_SBS_BLOCK_DATA:
311 len = 0;
312 acpi_ec_sbs_read(sbs, ACPI_EC_SMB_BCNT, &len);
313 len = min_t(u8, len, 32);
314 for (i = 0; i < len; i++)
315 acpi_ec_sbs_read(sbs, ACPI_EC_SMB_DATA + i,
316 data->block + i + 1);
317 data->block[0] = len;
318 break;
319 default:
320 ACPI_EXCEPTION((AE_INFO, AE_ERROR,
321 "unsupported transaction %d", size));
322 return (-1);
323 }
324
325 return (0);
326} 142}
327 143
328static int 144static inline int acpi_battery_vscale(struct acpi_battery *battery)
329acpi_sbs_read_word(struct acpi_sbs *sbs, int addr, int func, u16 * word)
330{ 145{
331 union sbs_rw_data data; 146 return battery_scale((battery->spec & 0x0f00) >> 8);
332 int result = 0;
333
334 result = acpi_ec_sbs_access(sbs, addr,
335 ACPI_SBS_SMBUS_READ, func,
336 ACPI_SBS_WORD_DATA, &data);
337 if (result) {
338 ACPI_EXCEPTION((AE_INFO, AE_ERROR,
339 "acpi_ec_sbs_access() failed"));
340 } else {
341 *word = data.word;
342 }
343
344 return result;
345} 147}
346 148
347static int 149static inline int acpi_battery_ipscale(struct acpi_battery *battery)
348acpi_sbs_read_str(struct acpi_sbs *sbs, int addr, int func, char *str)
349{ 150{
350 union sbs_rw_data data; 151 return battery_scale((battery->spec & 0xf000) >> 12);
351 int result = 0;
352
353 result = acpi_ec_sbs_access(sbs, addr,
354 ACPI_SBS_SMBUS_READ, func,
355 ACPI_SBS_BLOCK_DATA, &data);
356 if (result) {
357 ACPI_EXCEPTION((AE_INFO, AE_ERROR,
358 "acpi_ec_sbs_access() failed"));
359 } else {
360 strncpy(str, (const char *)data.block + 1, data.block[0]);
361 str[data.block[0]] = 0;
362 }
363
364 return result;
365} 152}
366 153
367static int 154static inline int acpi_battery_mode(struct acpi_battery *battery)
368acpi_sbs_write_word(struct acpi_sbs *sbs, int addr, int func, int word)
369{ 155{
370 union sbs_rw_data data; 156 return (battery->mode & 0x8000);
371 int result = 0;
372
373 data.word = word;
374
375 result = acpi_ec_sbs_access(sbs, addr,
376 ACPI_SBS_SMBUS_WRITE, func,
377 ACPI_SBS_WORD_DATA, &data);
378 if (result) {
379 ACPI_EXCEPTION((AE_INFO, AE_ERROR,
380 "acpi_ec_sbs_access() failed"));
381 }
382
383 return result;
384} 157}
385 158
386static int sbs_zombie(struct acpi_sbs *sbs) 159static inline int acpi_battery_scale(struct acpi_battery *battery)
387{ 160{
388 return (sbs->zombie); 161 return (acpi_battery_mode(battery) ? 10 : 1) *
162 acpi_battery_ipscale(battery);
389} 163}
390 164
391static int sbs_mutex_lock(struct acpi_sbs *sbs) 165static int sbs_get_ac_property(struct power_supply *psy,
166 enum power_supply_property psp,
167 union power_supply_propval *val)
392{ 168{
393 if (sbs_zombie(sbs)) { 169 struct acpi_sbs *sbs = to_acpi_sbs(psy);
394 return -ENODEV; 170 switch (psp) {
171 case POWER_SUPPLY_PROP_ONLINE:
172 val->intval = sbs->charger_present;
173 break;
174 default:
175 return -EINVAL;
395 } 176 }
396 mutex_lock(&sbs->mutex);
397 return 0; 177 return 0;
398} 178}
399 179
400static void sbs_mutex_unlock(struct acpi_sbs *sbs) 180static int acpi_battery_technology(struct acpi_battery *battery)
401{ 181{
402 mutex_unlock(&sbs->mutex); 182 if (!strcasecmp("NiCd", battery->device_chemistry))
183 return POWER_SUPPLY_TECHNOLOGY_NiCd;
184 if (!strcasecmp("NiMH", battery->device_chemistry))
185 return POWER_SUPPLY_TECHNOLOGY_NiMH;
186 if (!strcasecmp("LION", battery->device_chemistry))
187 return POWER_SUPPLY_TECHNOLOGY_LION;
188 if (!strcasecmp("LiP", battery->device_chemistry))
189 return POWER_SUPPLY_TECHNOLOGY_LIPO;
190 return POWER_SUPPLY_TECHNOLOGY_UNKNOWN;
403} 191}
404 192
405/* -------------------------------------------------------------------------- 193static int acpi_sbs_battery_get_property(struct power_supply *psy,
406 Smart Battery System Management 194 enum power_supply_property psp,
407 -------------------------------------------------------------------------- */ 195 union power_supply_propval *val)
408
409static int acpi_check_update_proc(struct acpi_sbs *sbs)
410{ 196{
411 acpi_status status = AE_OK; 197 struct acpi_battery *battery = to_acpi_battery(psy);
412 198
413 if (update_time == 0) { 199 if ((!battery->present) && psp != POWER_SUPPLY_PROP_PRESENT)
414 sbs->update_proc_flg = 0; 200 return -ENODEV;
415 return 0; 201 switch (psp) {
416 } 202 case POWER_SUPPLY_PROP_STATUS:
417 if (sbs->update_proc_flg == 0) { 203 if (battery->current_now < 0)
418 status = acpi_os_execute(OSL_GPE_HANDLER, 204 val->intval = POWER_SUPPLY_STATUS_DISCHARGING;
419 acpi_sbs_update_time, sbs); 205 else if (battery->current_now > 0)
420 if (status != AE_OK) { 206 val->intval = POWER_SUPPLY_STATUS_CHARGING;
421 ACPI_EXCEPTION((AE_INFO, status, 207 else
422 "acpi_os_execute() failed")); 208 val->intval = POWER_SUPPLY_STATUS_FULL;
423 return 1; 209 break;
424 } 210 case POWER_SUPPLY_PROP_PRESENT:
425 sbs->update_proc_flg = 1; 211 val->intval = battery->present;
212 break;
213 case POWER_SUPPLY_PROP_TECHNOLOGY:
214 val->intval = acpi_battery_technology(battery);
215 break;
216 case POWER_SUPPLY_PROP_VOLTAGE_MIN_DESIGN:
217 val->intval = battery->design_voltage *
218 acpi_battery_vscale(battery) * 1000;
219 break;
220 case POWER_SUPPLY_PROP_VOLTAGE_NOW:
221 val->intval = battery->voltage_now *
222 acpi_battery_vscale(battery) * 1000;
223 break;
224 case POWER_SUPPLY_PROP_CURRENT_NOW:
225 val->intval = abs(battery->current_now) *
226 acpi_battery_ipscale(battery) * 1000;
227 break;
228 case POWER_SUPPLY_PROP_CURRENT_AVG:
229 val->intval = abs(battery->current_avg) *
230 acpi_battery_ipscale(battery) * 1000;
231 break;
232 case POWER_SUPPLY_PROP_CAPACITY:
233 val->intval = battery->state_of_charge;
234 break;
235 case POWER_SUPPLY_PROP_CHARGE_FULL_DESIGN:
236 case POWER_SUPPLY_PROP_ENERGY_FULL_DESIGN:
237 val->intval = battery->design_capacity *
238 acpi_battery_scale(battery) * 1000;
239 break;
240 case POWER_SUPPLY_PROP_CHARGE_FULL:
241 case POWER_SUPPLY_PROP_ENERGY_FULL:
242 val->intval = battery->full_charge_capacity *
243 acpi_battery_scale(battery) * 1000;
244 break;
245 case POWER_SUPPLY_PROP_CHARGE_NOW:
246 case POWER_SUPPLY_PROP_ENERGY_NOW:
247 val->intval = battery->capacity_now *
248 acpi_battery_scale(battery) * 1000;
249 break;
250 case POWER_SUPPLY_PROP_TEMP:
251 val->intval = battery->temp_now - 2730; // dK -> dC
252 break;
253 case POWER_SUPPLY_PROP_MODEL_NAME:
254 val->strval = battery->device_name;
255 break;
256 case POWER_SUPPLY_PROP_MANUFACTURER:
257 val->strval = battery->manufacturer_name;
258 break;
259 default:
260 return -EINVAL;
426 } 261 }
427 return 0; 262 return 0;
428} 263}
429 264
430static int acpi_sbs_generate_event(struct acpi_device *device, 265static enum power_supply_property sbs_ac_props[] = {
431 int event, int state, char *bid, char *class) 266 POWER_SUPPLY_PROP_ONLINE,
432{ 267};
433 char bid_saved[5];
434 char class_saved[20];
435 int result = 0;
436
437 strcpy(bid_saved, acpi_device_bid(device));
438 strcpy(class_saved, acpi_device_class(device));
439
440 strcpy(acpi_device_bid(device), bid);
441 strcpy(acpi_device_class(device), class);
442
443 result = acpi_bus_generate_proc_event(device, event, state);
444
445 strcpy(acpi_device_bid(device), bid_saved);
446 strcpy(acpi_device_class(device), class_saved);
447
448 acpi_bus_generate_netlink_event(class, bid, event, state);
449 return result;
450}
451
452static int acpi_battery_get_present(struct acpi_battery *battery)
453{
454 s16 state;
455 int result = 0;
456 int is_present = 0;
457
458 result = acpi_sbs_read_word(battery->sbs,
459 ACPI_SBSM_SMBUS_ADDR, 0x01, &state);
460 if (result) {
461 ACPI_EXCEPTION((AE_INFO, AE_ERROR,
462 "acpi_sbs_read_word() failed"));
463 }
464 if (!result) {
465 is_present = (state & 0x000f) & (1 << battery->id);
466 }
467 battery->battery_present = is_present;
468
469 return result;
470}
471 268
472static int acpi_battery_select(struct acpi_battery *battery) 269static enum power_supply_property sbs_charge_battery_props[] = {
473{ 270 POWER_SUPPLY_PROP_STATUS,
474 struct acpi_sbs *sbs = battery->sbs; 271 POWER_SUPPLY_PROP_PRESENT,
475 int result = 0; 272 POWER_SUPPLY_PROP_TECHNOLOGY,
476 s16 state; 273 POWER_SUPPLY_PROP_VOLTAGE_MIN_DESIGN,
477 int foo; 274 POWER_SUPPLY_PROP_VOLTAGE_NOW,
275 POWER_SUPPLY_PROP_CURRENT_NOW,
276 POWER_SUPPLY_PROP_CURRENT_AVG,
277 POWER_SUPPLY_PROP_CAPACITY,
278 POWER_SUPPLY_PROP_CHARGE_FULL_DESIGN,
279 POWER_SUPPLY_PROP_CHARGE_FULL,
280 POWER_SUPPLY_PROP_CHARGE_NOW,
281 POWER_SUPPLY_PROP_TEMP,
282 POWER_SUPPLY_PROP_MODEL_NAME,
283 POWER_SUPPLY_PROP_MANUFACTURER,
284};
478 285
479 if (sbs->sbsm_present) { 286static enum power_supply_property sbs_energy_battery_props[] = {
287 POWER_SUPPLY_PROP_STATUS,
288 POWER_SUPPLY_PROP_PRESENT,
289 POWER_SUPPLY_PROP_TECHNOLOGY,
290 POWER_SUPPLY_PROP_VOLTAGE_MIN_DESIGN,
291 POWER_SUPPLY_PROP_VOLTAGE_NOW,
292 POWER_SUPPLY_PROP_CURRENT_NOW,
293 POWER_SUPPLY_PROP_CURRENT_AVG,
294 POWER_SUPPLY_PROP_CAPACITY,
295 POWER_SUPPLY_PROP_ENERGY_FULL_DESIGN,
296 POWER_SUPPLY_PROP_ENERGY_FULL,
297 POWER_SUPPLY_PROP_ENERGY_NOW,
298 POWER_SUPPLY_PROP_TEMP,
299 POWER_SUPPLY_PROP_MODEL_NAME,
300 POWER_SUPPLY_PROP_MANUFACTURER,
301};
480 302
481 /* Take special care not to knobble other nibbles of 303/* --------------------------------------------------------------------------
482 * state (aka selector_state), since 304 Smart Battery System Management
483 * it causes charging to halt on SBSELs */ 305 -------------------------------------------------------------------------- */
484 306
485 result = 307struct acpi_battery_reader {
486 acpi_sbs_read_word(sbs, ACPI_SBSM_SMBUS_ADDR, 0x01, &state); 308 u8 command; /* command for battery */
487 if (result) { 309 u8 mode; /* word or block? */
488 ACPI_EXCEPTION((AE_INFO, AE_ERROR, 310 size_t offset; /* offset inside struct acpi_sbs_battery */
489 "acpi_sbs_read_word() failed")); 311};
490 goto end;
491 }
492 312
493 foo = (state & 0x0fff) | (1 << (battery->id + 12)); 313static struct acpi_battery_reader info_readers[] = {
494 result = 314 {0x01, SMBUS_READ_WORD, offsetof(struct acpi_battery, alarm_capacity)},
495 acpi_sbs_write_word(sbs, ACPI_SBSM_SMBUS_ADDR, 0x01, foo); 315 {0x03, SMBUS_READ_WORD, offsetof(struct acpi_battery, mode)},
496 if (result) { 316 {0x10, SMBUS_READ_WORD, offsetof(struct acpi_battery, full_charge_capacity)},
497 ACPI_EXCEPTION((AE_INFO, AE_ERROR, 317 {0x17, SMBUS_READ_WORD, offsetof(struct acpi_battery, cycle_count)},
498 "acpi_sbs_write_word() failed")); 318 {0x18, SMBUS_READ_WORD, offsetof(struct acpi_battery, design_capacity)},
499 goto end; 319 {0x19, SMBUS_READ_WORD, offsetof(struct acpi_battery, design_voltage)},
500 } 320 {0x1a, SMBUS_READ_WORD, offsetof(struct acpi_battery, spec)},
501 } 321 {0x1c, SMBUS_READ_WORD, offsetof(struct acpi_battery, serial_number)},
322 {0x20, SMBUS_READ_BLOCK, offsetof(struct acpi_battery, manufacturer_name)},
323 {0x21, SMBUS_READ_BLOCK, offsetof(struct acpi_battery, device_name)},
324 {0x22, SMBUS_READ_BLOCK, offsetof(struct acpi_battery, device_chemistry)},
325};
502 326
503 end: 327static struct acpi_battery_reader state_readers[] = {
504 return result; 328 {0x08, SMBUS_READ_WORD, offsetof(struct acpi_battery, temp_now)},
505} 329 {0x09, SMBUS_READ_WORD, offsetof(struct acpi_battery, voltage_now)},
330 {0x0a, SMBUS_READ_WORD, offsetof(struct acpi_battery, current_now)},
331 {0x0b, SMBUS_READ_WORD, offsetof(struct acpi_battery, current_avg)},
332 {0x0f, SMBUS_READ_WORD, offsetof(struct acpi_battery, capacity_now)},
333 {0x0e, SMBUS_READ_WORD, offsetof(struct acpi_battery, state_of_charge)},
334 {0x16, SMBUS_READ_WORD, offsetof(struct acpi_battery, state)},
335};
506 336
507static int acpi_sbsm_get_info(struct acpi_sbs *sbs) 337static int acpi_manager_get_info(struct acpi_sbs *sbs)
508{ 338{
509 int result = 0; 339 int result = 0;
510 s16 battery_system_info; 340 u16 battery_system_info;
511
512 result = acpi_sbs_read_word(sbs, ACPI_SBSM_SMBUS_ADDR, 0x04,
513 &battery_system_info);
514 if (result) {
515 ACPI_EXCEPTION((AE_INFO, AE_ERROR,
516 "acpi_sbs_read_word() failed"));
517 goto end;
518 }
519 sbs->sbsm_present = 1;
520 sbs->sbsm_batteries_supported = battery_system_info & 0x000f;
521
522 end:
523 341
342 result = acpi_smbus_read(sbs->hc, SMBUS_READ_WORD, ACPI_SBS_MANAGER,
343 0x04, (u8 *)&battery_system_info);
344 if (!result)
345 sbs->batteries_supported = battery_system_info & 0x000f;
524 return result; 346 return result;
525} 347}
526 348
527static int acpi_battery_get_info(struct acpi_battery *battery) 349static int acpi_battery_get_info(struct acpi_battery *battery)
528{ 350{
529 struct acpi_sbs *sbs = battery->sbs; 351 int i, result = 0;
530 int result = 0; 352
531 s16 battery_mode; 353 for (i = 0; i < ARRAY_SIZE(info_readers); ++i) {
532 s16 specification_info; 354 result = acpi_smbus_read(battery->sbs->hc,
533 355 info_readers[i].mode,
534 result = acpi_sbs_read_word(sbs, ACPI_SB_SMBUS_ADDR, 0x03, 356 ACPI_SBS_BATTERY,
535 &battery_mode); 357 info_readers[i].command,
536 if (result) { 358 (u8 *) battery +
537 ACPI_EXCEPTION((AE_INFO, AE_ERROR, 359 info_readers[i].offset);
538 "acpi_sbs_read_word() failed")); 360 if (result)
539 goto end; 361 break;
540 }
541 battery->info.capacity_mode = (battery_mode & 0x8000) >> 15;
542
543 result = acpi_sbs_read_word(sbs, ACPI_SB_SMBUS_ADDR, 0x10,
544 &battery->info.full_charge_capacity);
545 if (result) {
546 ACPI_EXCEPTION((AE_INFO, AE_ERROR,
547 "acpi_sbs_read_word() failed"));
548 goto end;
549 }
550
551 result = acpi_sbs_read_word(sbs, ACPI_SB_SMBUS_ADDR, 0x18,
552 &battery->info.design_capacity);
553
554 if (result) {
555 ACPI_EXCEPTION((AE_INFO, AE_ERROR,
556 "acpi_sbs_read_word() failed"));
557 goto end;
558 }
559
560 result = acpi_sbs_read_word(sbs, ACPI_SB_SMBUS_ADDR, 0x19,
561 &battery->info.design_voltage);
562 if (result) {
563 ACPI_EXCEPTION((AE_INFO, AE_ERROR,
564 "acpi_sbs_read_word() failed"));
565 goto end;
566 } 362 }
567
568 result = acpi_sbs_read_word(sbs, ACPI_SB_SMBUS_ADDR, 0x1a,
569 &specification_info);
570 if (result) {
571 ACPI_EXCEPTION((AE_INFO, AE_ERROR,
572 "acpi_sbs_read_word() failed"));
573 goto end;
574 }
575
576 switch ((specification_info & 0x0f00) >> 8) {
577 case 1:
578 battery->info.vscale = 10;
579 break;
580 case 2:
581 battery->info.vscale = 100;
582 break;
583 case 3:
584 battery->info.vscale = 1000;
585 break;
586 default:
587 battery->info.vscale = 1;
588 }
589
590 switch ((specification_info & 0xf000) >> 12) {
591 case 1:
592 battery->info.ipscale = 10;
593 break;
594 case 2:
595 battery->info.ipscale = 100;
596 break;
597 case 3:
598 battery->info.ipscale = 1000;
599 break;
600 default:
601 battery->info.ipscale = 1;
602 }
603
604 result = acpi_sbs_read_word(sbs, ACPI_SB_SMBUS_ADDR, 0x1c,
605 &battery->info.serial_number);
606 if (result) {
607 ACPI_EXCEPTION((AE_INFO, AE_ERROR,
608 "acpi_sbs_read_word() failed"));
609 goto end;
610 }
611
612 result = acpi_sbs_read_str(sbs, ACPI_SB_SMBUS_ADDR, 0x20,
613 battery->info.manufacturer_name);
614 if (result) {
615 ACPI_EXCEPTION((AE_INFO, AE_ERROR,
616 "acpi_sbs_read_str() failed"));
617 goto end;
618 }
619
620 result = acpi_sbs_read_str(sbs, ACPI_SB_SMBUS_ADDR, 0x21,
621 battery->info.device_name);
622 if (result) {
623 ACPI_EXCEPTION((AE_INFO, AE_ERROR,
624 "acpi_sbs_read_str() failed"));
625 goto end;
626 }
627
628 result = acpi_sbs_read_str(sbs, ACPI_SB_SMBUS_ADDR, 0x22,
629 battery->info.device_chemistry);
630 if (result) {
631 ACPI_EXCEPTION((AE_INFO, AE_ERROR,
632 "acpi_sbs_read_str() failed"));
633 goto end;
634 }
635
636 end:
637 return result; 363 return result;
638} 364}
639 365
640static int acpi_battery_get_state(struct acpi_battery *battery) 366static int acpi_battery_get_state(struct acpi_battery *battery)
641{ 367{
642 struct acpi_sbs *sbs = battery->sbs; 368 int i, result = 0;
643 int result = 0;
644 369
645 result = acpi_sbs_read_word(sbs, ACPI_SB_SMBUS_ADDR, 0x09, 370 if (battery->update_time &&
646 &battery->state.voltage); 371 time_before(jiffies, battery->update_time +
647 if (result) { 372 msecs_to_jiffies(cache_time)))
648 ACPI_EXCEPTION((AE_INFO, AE_ERROR, 373 return 0;
649 "acpi_sbs_read_word() failed")); 374 for (i = 0; i < ARRAY_SIZE(state_readers); ++i) {
650 goto end; 375 result = acpi_smbus_read(battery->sbs->hc,
651 } 376 state_readers[i].mode,
652 377 ACPI_SBS_BATTERY,
653 result = acpi_sbs_read_word(sbs, ACPI_SB_SMBUS_ADDR, 0x0a, 378 state_readers[i].command,
654 &battery->state.amperage); 379 (u8 *)battery +
655 if (result) { 380 state_readers[i].offset);
656 ACPI_EXCEPTION((AE_INFO, AE_ERROR, 381 if (result)
657 "acpi_sbs_read_word() failed")); 382 goto end;
658 goto end;
659 }
660
661 result = acpi_sbs_read_word(sbs, ACPI_SB_SMBUS_ADDR, 0x0f,
662 &battery->state.remaining_capacity);
663 if (result) {
664 ACPI_EXCEPTION((AE_INFO, AE_ERROR,
665 "acpi_sbs_read_word() failed"));
666 goto end;
667 }
668
669 result = acpi_sbs_read_word(sbs, ACPI_SB_SMBUS_ADDR, 0x16,
670 &battery->state.battery_state);
671 if (result) {
672 ACPI_EXCEPTION((AE_INFO, AE_ERROR,
673 "acpi_sbs_read_word() failed"));
674 goto end;
675 } 383 }
676
677 end: 384 end:
385 battery->update_time = jiffies;
678 return result; 386 return result;
679} 387}
680 388
681static int acpi_battery_get_alarm(struct acpi_battery *battery) 389static int acpi_battery_get_alarm(struct acpi_battery *battery)
682{ 390{
683 struct acpi_sbs *sbs = battery->sbs; 391 return acpi_smbus_read(battery->sbs->hc, SMBUS_READ_WORD,
684 int result = 0; 392 ACPI_SBS_BATTERY, 0x01,
685 393 (u8 *)&battery->alarm_capacity);
686 result = acpi_sbs_read_word(sbs, ACPI_SB_SMBUS_ADDR, 0x01,
687 &battery->alarm.remaining_capacity);
688 if (result) {
689 ACPI_EXCEPTION((AE_INFO, AE_ERROR,
690 "acpi_sbs_read_word() failed"));
691 goto end;
692 }
693
694 end:
695
696 return result;
697} 394}
698 395
699static int acpi_battery_set_alarm(struct acpi_battery *battery, 396static int acpi_battery_set_alarm(struct acpi_battery *battery)
700 unsigned long alarm)
701{ 397{
702 struct acpi_sbs *sbs = battery->sbs; 398 struct acpi_sbs *sbs = battery->sbs;
703 int result = 0; 399 u16 value, sel = 1 << (battery->id + 12);
704 s16 battery_mode;
705 int foo;
706 400
707 result = acpi_battery_select(battery); 401 int ret;
708 if (result) {
709 ACPI_EXCEPTION((AE_INFO, AE_ERROR,
710 "acpi_battery_select() failed"));
711 goto end;
712 }
713 402
714 /* If necessary, enable the alarm */
715 403
716 if (alarm > 0) { 404 if (sbs->manager_present) {
717 result = 405 ret = acpi_smbus_read(sbs->hc, SMBUS_READ_WORD, ACPI_SBS_MANAGER,
718 acpi_sbs_read_word(sbs, ACPI_SB_SMBUS_ADDR, 0x03, 406 0x01, (u8 *)&value);
719 &battery_mode); 407 if (ret)
720 if (result) {
721 ACPI_EXCEPTION((AE_INFO, AE_ERROR,
722 "acpi_sbs_read_word() failed"));
723 goto end; 408 goto end;
724 } 409 if ((value & 0xf000) != sel) {
725 410 value &= 0x0fff;
726 result = 411 value |= sel;
727 acpi_sbs_write_word(sbs, ACPI_SB_SMBUS_ADDR, 0x01, 412 ret = acpi_smbus_write(sbs->hc, SMBUS_WRITE_WORD,
728 battery_mode & 0xbfff); 413 ACPI_SBS_MANAGER,
729 if (result) { 414 0x01, (u8 *)&value, 2);
730 ACPI_EXCEPTION((AE_INFO, AE_ERROR, 415 if (ret)
731 "acpi_sbs_write_word() failed"));
732 goto end; 416 goto end;
733 } 417 }
734 } 418 }
735 419 ret = acpi_smbus_write(sbs->hc, SMBUS_WRITE_WORD, ACPI_SBS_BATTERY,
736 foo = alarm / (battery->info.capacity_mode ? 10 : 1); 420 0x01, (u8 *)&battery->alarm_capacity, 2);
737 result = acpi_sbs_write_word(sbs, ACPI_SB_SMBUS_ADDR, 0x01, foo);
738 if (result) {
739 ACPI_EXCEPTION((AE_INFO, AE_ERROR,
740 "acpi_sbs_write_word() failed"));
741 goto end;
742 }
743
744 end: 421 end:
745 422 return ret;
746 return result;
747} 423}
748 424
749static int acpi_battery_set_mode(struct acpi_battery *battery) 425static int acpi_ac_get_present(struct acpi_sbs *sbs)
750{ 426{
751 struct acpi_sbs *sbs = battery->sbs; 427 int result;
752 int result = 0; 428 u16 status;
753 s16 battery_mode;
754
755 if (capacity_mode == DEF_CAPACITY_UNIT) {
756 goto end;
757 }
758
759 result = acpi_sbs_read_word(sbs,
760 ACPI_SB_SMBUS_ADDR, 0x03, &battery_mode);
761 if (result) {
762 ACPI_EXCEPTION((AE_INFO, AE_ERROR,
763 "acpi_sbs_read_word() failed"));
764 goto end;
765 }
766
767 if (capacity_mode == MAH_CAPACITY_UNIT) {
768 battery_mode &= 0x7fff;
769 } else {
770 battery_mode |= 0x8000;
771 }
772 result = acpi_sbs_write_word(sbs,
773 ACPI_SB_SMBUS_ADDR, 0x03, battery_mode);
774 if (result) {
775 ACPI_EXCEPTION((AE_INFO, AE_ERROR,
776 "acpi_sbs_write_word() failed"));
777 goto end;
778 }
779
780 result = acpi_sbs_read_word(sbs,
781 ACPI_SB_SMBUS_ADDR, 0x03, &battery_mode);
782 if (result) {
783 ACPI_EXCEPTION((AE_INFO, AE_ERROR,
784 "acpi_sbs_read_word() failed"));
785 goto end;
786 }
787 429
788 end: 430 result = acpi_smbus_read(sbs->hc, SMBUS_READ_WORD, ACPI_SBS_CHARGER,
431 0x13, (u8 *) & status);
432 if (!result)
433 sbs->charger_present = (status >> 15) & 0x1;
789 return result; 434 return result;
790} 435}
791 436
792static int acpi_battery_init(struct acpi_battery *battery) 437static ssize_t acpi_battery_alarm_show(struct device *dev,
438 struct device_attribute *attr,
439 char *buf)
793{ 440{
794 int result = 0; 441 struct acpi_battery *battery = to_acpi_battery(dev_get_drvdata(dev));
795 442 acpi_battery_get_alarm(battery);
796 result = acpi_battery_select(battery); 443 return sprintf(buf, "%d\n", battery->alarm_capacity *
797 if (result) { 444 acpi_battery_scale(battery) * 1000);
798 ACPI_EXCEPTION((AE_INFO, AE_ERROR,
799 "acpi_battery_select() failed"));
800 goto end;
801 }
802
803 result = acpi_battery_set_mode(battery);
804 if (result) {
805 ACPI_EXCEPTION((AE_INFO, AE_ERROR,
806 "acpi_battery_set_mode() failed"));
807 goto end;
808 }
809
810 result = acpi_battery_get_info(battery);
811 if (result) {
812 ACPI_EXCEPTION((AE_INFO, AE_ERROR,
813 "acpi_battery_get_info() failed"));
814 goto end;
815 }
816
817 result = acpi_battery_get_state(battery);
818 if (result) {
819 ACPI_EXCEPTION((AE_INFO, AE_ERROR,
820 "acpi_battery_get_state() failed"));
821 goto end;
822 }
823
824 result = acpi_battery_get_alarm(battery);
825 if (result) {
826 ACPI_EXCEPTION((AE_INFO, AE_ERROR,
827 "acpi_battery_get_alarm() failed"));
828 goto end;
829 }
830
831 end:
832 return result;
833} 445}
834 446
835static int acpi_ac_get_present(struct acpi_sbs *sbs) 447static ssize_t acpi_battery_alarm_store(struct device *dev,
448 struct device_attribute *attr,
449 const char *buf, size_t count)
836{ 450{
837 int result = 0; 451 unsigned long x;
838 s16 charger_status; 452 struct acpi_battery *battery = to_acpi_battery(dev_get_drvdata(dev));
839 453 if (sscanf(buf, "%ld\n", &x) == 1)
840 result = acpi_sbs_read_word(sbs, ACPI_SBC_SMBUS_ADDR, 0x13, 454 battery->alarm_capacity = x /
841 &charger_status); 455 (1000 * acpi_battery_scale(battery));
842 456 if (battery->present)
843 if (result) { 457 acpi_battery_set_alarm(battery);
844 ACPI_EXCEPTION((AE_INFO, AE_ERROR, 458 return count;
845 "acpi_sbs_read_word() failed"));
846 goto end;
847 }
848
849 sbs->ac.ac_present = (charger_status & 0x8000) >> 15;
850
851 end:
852
853 return result;
854} 459}
855 460
461static struct device_attribute alarm_attr = {
462 .attr = {.name = "alarm", .mode = 0644, .owner = THIS_MODULE},
463 .show = acpi_battery_alarm_show,
464 .store = acpi_battery_alarm_store,
465};
466
856/* -------------------------------------------------------------------------- 467/* --------------------------------------------------------------------------
857 FS Interface (/proc/acpi) 468 FS Interface (/proc/acpi)
858 -------------------------------------------------------------------------- */ 469 -------------------------------------------------------------------------- */
859 470
471#ifdef CONFIG_ACPI_PROCFS
860/* Generic Routines */ 472/* Generic Routines */
861
862static int 473static int
863acpi_sbs_generic_add_fs(struct proc_dir_entry **dir, 474acpi_sbs_add_fs(struct proc_dir_entry **dir,
864 struct proc_dir_entry *parent_dir, 475 struct proc_dir_entry *parent_dir,
865 char *dir_name, 476 char *dir_name,
866 struct file_operations *info_fops, 477 struct file_operations *info_fops,
867 struct file_operations *state_fops, 478 struct file_operations *state_fops,
868 struct file_operations *alarm_fops, void *data) 479 struct file_operations *alarm_fops, void *data)
869{ 480{
870 struct proc_dir_entry *entry = NULL; 481 struct proc_dir_entry *entry = NULL;
871 482
872 if (!*dir) { 483 if (!*dir) {
873 *dir = proc_mkdir(dir_name, parent_dir); 484 *dir = proc_mkdir(dir_name, parent_dir);
874 if (!*dir) { 485 if (!*dir) {
875 ACPI_EXCEPTION((AE_INFO, AE_ERROR,
876 "proc_mkdir() failed"));
877 return -ENODEV; 486 return -ENODEV;
878 } 487 }
879 (*dir)->owner = THIS_MODULE; 488 (*dir)->owner = THIS_MODULE;
@@ -882,10 +491,7 @@ acpi_sbs_generic_add_fs(struct proc_dir_entry **dir,
882 /* 'info' [R] */ 491 /* 'info' [R] */
883 if (info_fops) { 492 if (info_fops) {
884 entry = create_proc_entry(ACPI_SBS_FILE_INFO, S_IRUGO, *dir); 493 entry = create_proc_entry(ACPI_SBS_FILE_INFO, S_IRUGO, *dir);
885 if (!entry) { 494 if (entry) {
886 ACPI_EXCEPTION((AE_INFO, AE_ERROR,
887 "create_proc_entry() failed"));
888 } else {
889 entry->proc_fops = info_fops; 495 entry->proc_fops = info_fops;
890 entry->data = data; 496 entry->data = data;
891 entry->owner = THIS_MODULE; 497 entry->owner = THIS_MODULE;
@@ -895,10 +501,7 @@ acpi_sbs_generic_add_fs(struct proc_dir_entry **dir,
895 /* 'state' [R] */ 501 /* 'state' [R] */
896 if (state_fops) { 502 if (state_fops) {
897 entry = create_proc_entry(ACPI_SBS_FILE_STATE, S_IRUGO, *dir); 503 entry = create_proc_entry(ACPI_SBS_FILE_STATE, S_IRUGO, *dir);
898 if (!entry) { 504 if (entry) {
899 ACPI_EXCEPTION((AE_INFO, AE_ERROR,
900 "create_proc_entry() failed"));
901 } else {
902 entry->proc_fops = state_fops; 505 entry->proc_fops = state_fops;
903 entry->data = data; 506 entry->data = data;
904 entry->owner = THIS_MODULE; 507 entry->owner = THIS_MODULE;
@@ -908,24 +511,19 @@ acpi_sbs_generic_add_fs(struct proc_dir_entry **dir,
908 /* 'alarm' [R/W] */ 511 /* 'alarm' [R/W] */
909 if (alarm_fops) { 512 if (alarm_fops) {
910 entry = create_proc_entry(ACPI_SBS_FILE_ALARM, S_IRUGO, *dir); 513 entry = create_proc_entry(ACPI_SBS_FILE_ALARM, S_IRUGO, *dir);
911 if (!entry) { 514 if (entry) {
912 ACPI_EXCEPTION((AE_INFO, AE_ERROR,
913 "create_proc_entry() failed"));
914 } else {
915 entry->proc_fops = alarm_fops; 515 entry->proc_fops = alarm_fops;
916 entry->data = data; 516 entry->data = data;
917 entry->owner = THIS_MODULE; 517 entry->owner = THIS_MODULE;
918 } 518 }
919 } 519 }
920
921 return 0; 520 return 0;
922} 521}
923 522
924static void 523static void
925acpi_sbs_generic_remove_fs(struct proc_dir_entry **dir, 524acpi_sbs_remove_fs(struct proc_dir_entry **dir,
926 struct proc_dir_entry *parent_dir) 525 struct proc_dir_entry *parent_dir)
927{ 526{
928
929 if (*dir) { 527 if (*dir) {
930 remove_proc_entry(ACPI_SBS_FILE_INFO, *dir); 528 remove_proc_entry(ACPI_SBS_FILE_INFO, *dir);
931 remove_proc_entry(ACPI_SBS_FILE_STATE, *dir); 529 remove_proc_entry(ACPI_SBS_FILE_STATE, *dir);
@@ -933,82 +531,52 @@ acpi_sbs_generic_remove_fs(struct proc_dir_entry **dir,
933 remove_proc_entry((*dir)->name, parent_dir); 531 remove_proc_entry((*dir)->name, parent_dir);
934 *dir = NULL; 532 *dir = NULL;
935 } 533 }
936
937} 534}
938 535
939/* Smart Battery Interface */ 536/* Smart Battery Interface */
940
941static struct proc_dir_entry *acpi_battery_dir = NULL; 537static struct proc_dir_entry *acpi_battery_dir = NULL;
942 538
539static inline char *acpi_battery_units(struct acpi_battery *battery)
540{
541 return acpi_battery_mode(battery) ? " mWh" : " mAh";
542}
543
544
943static int acpi_battery_read_info(struct seq_file *seq, void *offset) 545static int acpi_battery_read_info(struct seq_file *seq, void *offset)
944{ 546{
945 struct acpi_battery *battery = seq->private; 547 struct acpi_battery *battery = seq->private;
946 struct acpi_sbs *sbs = battery->sbs; 548 struct acpi_sbs *sbs = battery->sbs;
947 int cscale;
948 int result = 0; 549 int result = 0;
949 550
950 if (sbs_mutex_lock(sbs)) { 551 mutex_lock(&sbs->lock);
951 return -ENODEV;
952 }
953
954 result = acpi_check_update_proc(sbs);
955 if (result)
956 goto end;
957
958 if (update_time == 0) {
959 result = acpi_sbs_update_run(sbs, battery->id, DATA_TYPE_INFO);
960 if (result) {
961 ACPI_EXCEPTION((AE_INFO, AE_ERROR,
962 "acpi_sbs_update_run() failed"));
963 }
964 }
965 552
966 if (battery->battery_present) { 553 seq_printf(seq, "present: %s\n",
967 seq_printf(seq, "present: yes\n"); 554 (battery->present) ? "yes" : "no");
968 } else { 555 if (!battery->present)
969 seq_printf(seq, "present: no\n");
970 goto end; 556 goto end;
971 }
972 557
973 if (battery->info.capacity_mode) {
974 cscale = battery->info.vscale * battery->info.ipscale;
975 } else {
976 cscale = battery->info.ipscale;
977 }
978 seq_printf(seq, "design capacity: %i%s\n", 558 seq_printf(seq, "design capacity: %i%s\n",
979 battery->info.design_capacity * cscale, 559 battery->design_capacity * acpi_battery_scale(battery),
980 battery->info.capacity_mode ? "0 mWh" : " mAh"); 560 acpi_battery_units(battery));
981
982 seq_printf(seq, "last full capacity: %i%s\n", 561 seq_printf(seq, "last full capacity: %i%s\n",
983 battery->info.full_charge_capacity * cscale, 562 battery->full_charge_capacity * acpi_battery_scale(battery),
984 battery->info.capacity_mode ? "0 mWh" : " mAh"); 563 acpi_battery_units(battery));
985
986 seq_printf(seq, "battery technology: rechargeable\n"); 564 seq_printf(seq, "battery technology: rechargeable\n");
987
988 seq_printf(seq, "design voltage: %i mV\n", 565 seq_printf(seq, "design voltage: %i mV\n",
989 battery->info.design_voltage * battery->info.vscale); 566 battery->design_voltage * acpi_battery_vscale(battery));
990
991 seq_printf(seq, "design capacity warning: unknown\n"); 567 seq_printf(seq, "design capacity warning: unknown\n");
992 seq_printf(seq, "design capacity low: unknown\n"); 568 seq_printf(seq, "design capacity low: unknown\n");
993 seq_printf(seq, "capacity granularity 1: unknown\n"); 569 seq_printf(seq, "capacity granularity 1: unknown\n");
994 seq_printf(seq, "capacity granularity 2: unknown\n"); 570 seq_printf(seq, "capacity granularity 2: unknown\n");
995 571 seq_printf(seq, "model number: %s\n", battery->device_name);
996 seq_printf(seq, "model number: %s\n",
997 battery->info.device_name);
998
999 seq_printf(seq, "serial number: %i\n", 572 seq_printf(seq, "serial number: %i\n",
1000 battery->info.serial_number); 573 battery->serial_number);
1001
1002 seq_printf(seq, "battery type: %s\n", 574 seq_printf(seq, "battery type: %s\n",
1003 battery->info.device_chemistry); 575 battery->device_chemistry);
1004
1005 seq_printf(seq, "OEM info: %s\n", 576 seq_printf(seq, "OEM info: %s\n",
1006 battery->info.manufacturer_name); 577 battery->manufacturer_name);
1007
1008 end: 578 end:
1009 579 mutex_unlock(&sbs->lock);
1010 sbs_mutex_unlock(sbs);
1011
1012 return result; 580 return result;
1013} 581}
1014 582
@@ -1022,73 +590,29 @@ static int acpi_battery_read_state(struct seq_file *seq, void *offset)
1022 struct acpi_battery *battery = seq->private; 590 struct acpi_battery *battery = seq->private;
1023 struct acpi_sbs *sbs = battery->sbs; 591 struct acpi_sbs *sbs = battery->sbs;
1024 int result = 0; 592 int result = 0;
1025 int cscale;
1026 int foo;
1027
1028 if (sbs_mutex_lock(sbs)) {
1029 return -ENODEV;
1030 }
1031 593
1032 result = acpi_check_update_proc(sbs); 594 mutex_lock(&sbs->lock);
1033 if (result) 595 seq_printf(seq, "present: %s\n",
596 (battery->present) ? "yes" : "no");
597 if (!battery->present)
1034 goto end; 598 goto end;
1035 599
1036 if (update_time == 0) { 600 acpi_battery_get_state(battery);
1037 result = acpi_sbs_update_run(sbs, battery->id, DATA_TYPE_STATE); 601 seq_printf(seq, "capacity state: %s\n",
1038 if (result) { 602 (battery->state & 0x0010) ? "critical" : "ok");
1039 ACPI_EXCEPTION((AE_INFO, AE_ERROR, 603 seq_printf(seq, "charging state: %s\n",
1040 "acpi_sbs_update_run() failed")); 604 (battery->current_now < 0) ? "discharging" :
1041 } 605 ((battery->current_now > 0) ? "charging" : "charged"));
1042 } 606 seq_printf(seq, "present rate: %d mA\n",
1043 607 abs(battery->current_now) * acpi_battery_ipscale(battery));
1044 if (battery->battery_present) {
1045 seq_printf(seq, "present: yes\n");
1046 } else {
1047 seq_printf(seq, "present: no\n");
1048 goto end;
1049 }
1050
1051 if (battery->info.capacity_mode) {
1052 cscale = battery->info.vscale * battery->info.ipscale;
1053 } else {
1054 cscale = battery->info.ipscale;
1055 }
1056
1057 if (battery->state.battery_state & 0x0010) {
1058 seq_printf(seq, "capacity state: critical\n");
1059 } else {
1060 seq_printf(seq, "capacity state: ok\n");
1061 }
1062
1063 foo = (s16) battery->state.amperage * battery->info.ipscale;
1064 if (battery->info.capacity_mode) {
1065 foo = foo * battery->info.design_voltage / 1000;
1066 }
1067 if (battery->state.amperage < 0) {
1068 seq_printf(seq, "charging state: discharging\n");
1069 seq_printf(seq, "present rate: %d %s\n",
1070 -foo, battery->info.capacity_mode ? "mW" : "mA");
1071 } else if (battery->state.amperage > 0) {
1072 seq_printf(seq, "charging state: charging\n");
1073 seq_printf(seq, "present rate: %d %s\n",
1074 foo, battery->info.capacity_mode ? "mW" : "mA");
1075 } else {
1076 seq_printf(seq, "charging state: charged\n");
1077 seq_printf(seq, "present rate: 0 %s\n",
1078 battery->info.capacity_mode ? "mW" : "mA");
1079 }
1080
1081 seq_printf(seq, "remaining capacity: %i%s\n", 608 seq_printf(seq, "remaining capacity: %i%s\n",
1082 battery->state.remaining_capacity * cscale, 609 battery->capacity_now * acpi_battery_scale(battery),
1083 battery->info.capacity_mode ? "0 mWh" : " mAh"); 610 acpi_battery_units(battery));
1084
1085 seq_printf(seq, "present voltage: %i mV\n", 611 seq_printf(seq, "present voltage: %i mV\n",
1086 battery->state.voltage * battery->info.vscale); 612 battery->voltage_now * acpi_battery_vscale(battery));
1087 613
1088 end: 614 end:
1089 615 mutex_unlock(&sbs->lock);
1090 sbs_mutex_unlock(sbs);
1091
1092 return result; 616 return result;
1093} 617}
1094 618
@@ -1102,48 +626,25 @@ static int acpi_battery_read_alarm(struct seq_file *seq, void *offset)
1102 struct acpi_battery *battery = seq->private; 626 struct acpi_battery *battery = seq->private;
1103 struct acpi_sbs *sbs = battery->sbs; 627 struct acpi_sbs *sbs = battery->sbs;
1104 int result = 0; 628 int result = 0;
1105 int cscale;
1106
1107 if (sbs_mutex_lock(sbs)) {
1108 return -ENODEV;
1109 }
1110
1111 result = acpi_check_update_proc(sbs);
1112 if (result)
1113 goto end;
1114 629
1115 if (update_time == 0) { 630 mutex_lock(&sbs->lock);
1116 result = acpi_sbs_update_run(sbs, battery->id, DATA_TYPE_ALARM);
1117 if (result) {
1118 ACPI_EXCEPTION((AE_INFO, AE_ERROR,
1119 "acpi_sbs_update_run() failed"));
1120 }
1121 }
1122 631
1123 if (!battery->battery_present) { 632 if (!battery->present) {
1124 seq_printf(seq, "present: no\n"); 633 seq_printf(seq, "present: no\n");
1125 goto end; 634 goto end;
1126 } 635 }
1127 636
1128 if (battery->info.capacity_mode) { 637 acpi_battery_get_alarm(battery);
1129 cscale = battery->info.vscale * battery->info.ipscale;
1130 } else {
1131 cscale = battery->info.ipscale;
1132 }
1133
1134 seq_printf(seq, "alarm: "); 638 seq_printf(seq, "alarm: ");
1135 if (battery->alarm.remaining_capacity) { 639 if (battery->alarm_capacity)
1136 seq_printf(seq, "%i%s\n", 640 seq_printf(seq, "%i%s\n",
1137 battery->alarm.remaining_capacity * cscale, 641 battery->alarm_capacity *
1138 battery->info.capacity_mode ? "0 mWh" : " mAh"); 642 acpi_battery_scale(battery),
1139 } else { 643 acpi_battery_units(battery));
644 else
1140 seq_printf(seq, "disabled\n"); 645 seq_printf(seq, "disabled\n");
1141 }
1142
1143 end: 646 end:
1144 647 mutex_unlock(&sbs->lock);
1145 sbs_mutex_unlock(sbs);
1146
1147 return result; 648 return result;
1148} 649}
1149 650
@@ -1155,59 +656,29 @@ acpi_battery_write_alarm(struct file *file, const char __user * buffer,
1155 struct acpi_battery *battery = seq->private; 656 struct acpi_battery *battery = seq->private;
1156 struct acpi_sbs *sbs = battery->sbs; 657 struct acpi_sbs *sbs = battery->sbs;
1157 char alarm_string[12] = { '\0' }; 658 char alarm_string[12] = { '\0' };
1158 int result, old_alarm, new_alarm; 659 int result = 0;
1159 660 mutex_lock(&sbs->lock);
1160 if (sbs_mutex_lock(sbs)) { 661 if (!battery->present) {
1161 return -ENODEV;
1162 }
1163
1164 result = acpi_check_update_proc(sbs);
1165 if (result)
1166 goto end;
1167
1168 if (!battery->battery_present) {
1169 result = -ENODEV; 662 result = -ENODEV;
1170 goto end; 663 goto end;
1171 } 664 }
1172
1173 if (count > sizeof(alarm_string) - 1) { 665 if (count > sizeof(alarm_string) - 1) {
1174 result = -EINVAL; 666 result = -EINVAL;
1175 goto end; 667 goto end;
1176 } 668 }
1177
1178 if (copy_from_user(alarm_string, buffer, count)) { 669 if (copy_from_user(alarm_string, buffer, count)) {
1179 result = -EFAULT; 670 result = -EFAULT;
1180 goto end; 671 goto end;
1181 } 672 }
1182
1183 alarm_string[count] = 0; 673 alarm_string[count] = 0;
1184 674 battery->alarm_capacity = simple_strtoul(alarm_string, NULL, 0) /
1185 old_alarm = battery->alarm.remaining_capacity; 675 acpi_battery_scale(battery);
1186 new_alarm = simple_strtoul(alarm_string, NULL, 0); 676 acpi_battery_set_alarm(battery);
1187
1188 result = acpi_battery_set_alarm(battery, new_alarm);
1189 if (result) {
1190 ACPI_EXCEPTION((AE_INFO, AE_ERROR,
1191 "acpi_battery_set_alarm() failed"));
1192 acpi_battery_set_alarm(battery, old_alarm);
1193 goto end;
1194 }
1195 result = acpi_battery_get_alarm(battery);
1196 if (result) {
1197 ACPI_EXCEPTION((AE_INFO, AE_ERROR,
1198 "acpi_battery_get_alarm() failed"));
1199 acpi_battery_set_alarm(battery, old_alarm);
1200 goto end;
1201 }
1202
1203 end: 677 end:
1204 sbs_mutex_unlock(sbs); 678 mutex_unlock(&sbs->lock);
1205 679 if (result)
1206 if (result) {
1207 return result; 680 return result;
1208 } else { 681 return count;
1209 return count;
1210 }
1211} 682}
1212 683
1213static int acpi_battery_alarm_open_fs(struct inode *inode, struct file *file) 684static int acpi_battery_alarm_open_fs(struct inode *inode, struct file *file)
@@ -1246,26 +717,15 @@ static struct proc_dir_entry *acpi_ac_dir = NULL;
1246 717
1247static int acpi_ac_read_state(struct seq_file *seq, void *offset) 718static int acpi_ac_read_state(struct seq_file *seq, void *offset)
1248{ 719{
1249 struct acpi_sbs *sbs = seq->private;
1250 int result;
1251 720
1252 if (sbs_mutex_lock(sbs)) { 721 struct acpi_sbs *sbs = seq->private;
1253 return -ENODEV;
1254 }
1255 722
1256 if (update_time == 0) { 723 mutex_lock(&sbs->lock);
1257 result = acpi_sbs_update_run(sbs, -1, DATA_TYPE_AC_STATE);
1258 if (result) {
1259 ACPI_EXCEPTION((AE_INFO, AE_ERROR,
1260 "acpi_sbs_update_run() failed"));
1261 }
1262 }
1263 724
1264 seq_printf(seq, "state: %s\n", 725 seq_printf(seq, "state: %s\n",
1265 sbs->ac.ac_present ? "on-line" : "off-line"); 726 sbs->charger_present ? "on-line" : "off-line");
1266
1267 sbs_mutex_unlock(sbs);
1268 727
728 mutex_unlock(&sbs->lock);
1269 return 0; 729 return 0;
1270} 730}
1271 731
@@ -1282,429 +742,203 @@ static struct file_operations acpi_ac_state_fops = {
1282 .owner = THIS_MODULE, 742 .owner = THIS_MODULE,
1283}; 743};
1284 744
745#endif
746
1285/* -------------------------------------------------------------------------- 747/* --------------------------------------------------------------------------
1286 Driver Interface 748 Driver Interface
1287 -------------------------------------------------------------------------- */ 749 -------------------------------------------------------------------------- */
750static int acpi_battery_read(struct acpi_battery *battery)
751{
752 int result = 0, saved_present = battery->present;
753 u16 state;
754
755 if (battery->sbs->manager_present) {
756 result = acpi_smbus_read(battery->sbs->hc, SMBUS_READ_WORD,
757 ACPI_SBS_MANAGER, 0x01, (u8 *)&state);
758 if (!result)
759 battery->present = state & (1 << battery->id);
760 state &= 0x0fff;
761 state |= 1 << (battery->id + 12);
762 acpi_smbus_write(battery->sbs->hc, SMBUS_WRITE_WORD,
763 ACPI_SBS_MANAGER, 0x01, (u8 *)&state, 2);
764 } else if (battery->id == 0)
765 battery->present = 1;
766 if (result || !battery->present)
767 return result;
1288 768
1289/* Smart Battery */ 769 if (saved_present != battery->present) {
770 battery->update_time = 0;
771 result = acpi_battery_get_info(battery);
772 if (result)
773 return result;
774 }
775 result = acpi_battery_get_state(battery);
776 return result;
777}
1290 778
779/* Smart Battery */
1291static int acpi_battery_add(struct acpi_sbs *sbs, int id) 780static int acpi_battery_add(struct acpi_sbs *sbs, int id)
1292{ 781{
1293 int is_present; 782 struct acpi_battery *battery = &sbs->battery[id];
1294 int result; 783 int result;
1295 char dir_name[32];
1296 struct acpi_battery *battery;
1297
1298 battery = &sbs->battery[id];
1299
1300 battery->alive = 0;
1301 784
1302 battery->init_state = 0;
1303 battery->id = id; 785 battery->id = id;
1304 battery->sbs = sbs; 786 battery->sbs = sbs;
787 result = acpi_battery_read(battery);
788 if (result)
789 return result;
1305 790
1306 result = acpi_battery_select(battery); 791 sprintf(battery->name, ACPI_BATTERY_DIR_NAME, id);
1307 if (result) { 792#ifdef CONFIG_ACPI_PROCFS
1308 ACPI_EXCEPTION((AE_INFO, AE_ERROR, 793 acpi_sbs_add_fs(&battery->proc_entry, acpi_battery_dir,
1309 "acpi_battery_select() failed")); 794 battery->name, &acpi_battery_info_fops,
1310 goto end; 795 &acpi_battery_state_fops, &acpi_battery_alarm_fops,
1311 } 796 battery);
1312 797#endif
1313 result = acpi_battery_get_present(battery); 798 battery->bat.name = battery->name;
1314 if (result) { 799 battery->bat.type = POWER_SUPPLY_TYPE_BATTERY;
1315 ACPI_EXCEPTION((AE_INFO, AE_ERROR, 800 if (!acpi_battery_mode(battery)) {
1316 "acpi_battery_get_present() failed")); 801 battery->bat.properties = sbs_charge_battery_props;
1317 goto end; 802 battery->bat.num_properties =
1318 } 803 ARRAY_SIZE(sbs_charge_battery_props);
1319 804 } else {
1320 is_present = battery->battery_present; 805 battery->bat.properties = sbs_energy_battery_props;
1321 806 battery->bat.num_properties =
1322 if (is_present) { 807 ARRAY_SIZE(sbs_energy_battery_props);
1323 result = acpi_battery_init(battery);
1324 if (result) {
1325 ACPI_EXCEPTION((AE_INFO, AE_ERROR,
1326 "acpi_battery_init() failed"));
1327 goto end;
1328 }
1329 battery->init_state = 1;
1330 }
1331
1332 sprintf(dir_name, ACPI_BATTERY_DIR_NAME, id);
1333
1334 result = acpi_sbs_generic_add_fs(&battery->battery_entry,
1335 acpi_battery_dir,
1336 dir_name,
1337 &acpi_battery_info_fops,
1338 &acpi_battery_state_fops,
1339 &acpi_battery_alarm_fops, battery);
1340 if (result) {
1341 ACPI_EXCEPTION((AE_INFO, AE_ERROR,
1342 "acpi_sbs_generic_add_fs() failed"));
1343 goto end;
1344 } 808 }
1345 battery->alive = 1; 809 battery->bat.get_property = acpi_sbs_battery_get_property;
1346 810 result = power_supply_register(&sbs->device->dev, &battery->bat);
811 device_create_file(battery->bat.dev, &alarm_attr);
1347 printk(KERN_INFO PREFIX "%s [%s]: Battery Slot [%s] (battery %s)\n", 812 printk(KERN_INFO PREFIX "%s [%s]: Battery Slot [%s] (battery %s)\n",
1348 ACPI_SBS_DEVICE_NAME, acpi_device_bid(sbs->device), dir_name, 813 ACPI_SBS_DEVICE_NAME, acpi_device_bid(sbs->device),
1349 sbs->battery->battery_present ? "present" : "absent"); 814 battery->name, sbs->battery->present ? "present" : "absent");
1350
1351 end:
1352 return result; 815 return result;
1353} 816}
1354 817
1355static void acpi_battery_remove(struct acpi_sbs *sbs, int id) 818static void acpi_battery_remove(struct acpi_sbs *sbs, int id)
1356{ 819{
1357 820 if (sbs->battery[id].bat.dev)
1358 if (sbs->battery[id].battery_entry) { 821 device_remove_file(sbs->battery[id].bat.dev, &alarm_attr);
1359 acpi_sbs_generic_remove_fs(&(sbs->battery[id].battery_entry), 822 power_supply_unregister(&sbs->battery[id].bat);
1360 acpi_battery_dir); 823#ifdef CONFIG_ACPI_PROCFS
1361 } 824 if (sbs->battery[id].proc_entry) {
825 acpi_sbs_remove_fs(&(sbs->battery[id].proc_entry),
826 acpi_battery_dir);
827 }
828#endif
1362} 829}
1363 830
1364static int acpi_ac_add(struct acpi_sbs *sbs) 831static int acpi_charger_add(struct acpi_sbs *sbs)
1365{ 832{
1366 int result; 833 int result;
1367 834
1368 result = acpi_ac_get_present(sbs); 835 result = acpi_ac_get_present(sbs);
1369 if (result) { 836 if (result)
1370 ACPI_EXCEPTION((AE_INFO, AE_ERROR,
1371 "acpi_ac_get_present() failed"));
1372 goto end; 837 goto end;
1373 } 838#ifdef CONFIG_ACPI_PROCFS
1374 839 result = acpi_sbs_add_fs(&sbs->charger_entry, acpi_ac_dir,
1375 result = acpi_sbs_generic_add_fs(&sbs->ac_entry, 840 ACPI_AC_DIR_NAME, NULL,
1376 acpi_ac_dir, 841 &acpi_ac_state_fops, NULL, sbs);
1377 ACPI_AC_DIR_NAME, 842 if (result)
1378 NULL, &acpi_ac_state_fops, NULL, sbs);
1379 if (result) {
1380 ACPI_EXCEPTION((AE_INFO, AE_ERROR,
1381 "acpi_sbs_generic_add_fs() failed"));
1382 goto end; 843 goto end;
1383 } 844#endif
1384 845 sbs->charger.name = "sbs-charger";
846 sbs->charger.type = POWER_SUPPLY_TYPE_MAINS;
847 sbs->charger.properties = sbs_ac_props;
848 sbs->charger.num_properties = ARRAY_SIZE(sbs_ac_props);
849 sbs->charger.get_property = sbs_get_ac_property;
850 power_supply_register(&sbs->device->dev, &sbs->charger);
1385 printk(KERN_INFO PREFIX "%s [%s]: AC Adapter [%s] (%s)\n", 851 printk(KERN_INFO PREFIX "%s [%s]: AC Adapter [%s] (%s)\n",
1386 ACPI_SBS_DEVICE_NAME, acpi_device_bid(sbs->device), 852 ACPI_SBS_DEVICE_NAME, acpi_device_bid(sbs->device),
1387 ACPI_AC_DIR_NAME, sbs->ac.ac_present ? "on-line" : "off-line"); 853 ACPI_AC_DIR_NAME, sbs->charger_present ? "on-line" : "off-line");
1388
1389 end: 854 end:
1390
1391 return result; 855 return result;
1392} 856}
1393 857
1394static void acpi_ac_remove(struct acpi_sbs *sbs) 858static void acpi_charger_remove(struct acpi_sbs *sbs)
1395{ 859{
1396 860 if (sbs->charger.dev)
1397 if (sbs->ac_entry) { 861 power_supply_unregister(&sbs->charger);
1398 acpi_sbs_generic_remove_fs(&sbs->ac_entry, acpi_ac_dir); 862#ifdef CONFIG_ACPI_PROCFS
1399 } 863 if (sbs->charger_entry)
864 acpi_sbs_remove_fs(&sbs->charger_entry, acpi_ac_dir);
865#endif
1400} 866}
1401 867
1402static void acpi_sbs_update_time_run(unsigned long data) 868void acpi_sbs_callback(void *context)
1403{ 869{
1404 acpi_os_execute(OSL_GPE_HANDLER, acpi_sbs_update_time, (void *)data); 870 int id;
1405} 871 struct acpi_sbs *sbs = context;
1406 872 struct acpi_battery *bat;
1407static int acpi_sbs_update_run(struct acpi_sbs *sbs, int id, int data_type) 873 u8 saved_charger_state = sbs->charger_present;
1408{ 874 u8 saved_battery_state;
1409 struct acpi_battery *battery; 875 acpi_ac_get_present(sbs);
1410 int result = 0, cnt; 876 if (sbs->charger_present != saved_charger_state) {
1411 int old_ac_present = -1; 877#ifdef CONFIG_ACPI_PROC_EVENT
1412 int old_battery_present = -1; 878 acpi_bus_generate_proc_event4(ACPI_AC_CLASS, ACPI_AC_DIR_NAME,
1413 int new_ac_present = -1; 879 ACPI_SBS_NOTIFY_STATUS,
1414 int new_battery_present = -1; 880 sbs->charger_present);
1415 int id_min = 0, id_max = MAX_SBS_BAT - 1; 881#endif
1416 char dir_name[32]; 882 kobject_uevent(&sbs->charger.dev->kobj, KOBJ_CHANGE);
1417 int do_battery_init = 0, do_ac_init = 0; 883 }
1418 int old_remaining_capacity = 0; 884 if (sbs->manager_present) {
1419 int update_battery = 1; 885 for (id = 0; id < MAX_SBS_BAT; ++id) {
1420 int up_tm = update_time; 886 if (!(sbs->batteries_supported & (1 << id)))
1421 887 continue;
1422 if (sbs_zombie(sbs)) { 888 bat = &sbs->battery[id];
1423 goto end; 889 saved_battery_state = bat->present;
1424 } 890 acpi_battery_read(bat);
1425 891 if (saved_battery_state == bat->present)
1426 if (id >= 0) { 892 continue;
1427 id_min = id_max = id; 893#ifdef CONFIG_ACPI_PROC_EVENT
1428 } 894 acpi_bus_generate_proc_event4(ACPI_BATTERY_CLASS,
1429 895 bat->name,
1430 if (data_type == DATA_TYPE_COMMON && up_tm > 0) { 896 ACPI_SBS_NOTIFY_STATUS,
1431 cnt = up_tm / (up_tm > UPDATE_DELAY ? UPDATE_DELAY : up_tm); 897 bat->present);
1432 if (sbs->run_cnt % cnt != 0) { 898#endif
1433 update_battery = 0; 899 kobject_uevent(&bat->bat.dev->kobj, KOBJ_CHANGE);
1434 }
1435 }
1436
1437 sbs->run_cnt++;
1438
1439 old_ac_present = sbs->ac.ac_present;
1440
1441 result = acpi_ac_get_present(sbs);
1442 if (result) {
1443 ACPI_EXCEPTION((AE_INFO, AE_ERROR,
1444 "acpi_ac_get_present() failed"));
1445 }
1446
1447 new_ac_present = sbs->ac.ac_present;
1448
1449 do_ac_init = (old_ac_present != new_ac_present);
1450 if (sbs->run_cnt == 1 && data_type == DATA_TYPE_COMMON) {
1451 do_ac_init = 1;
1452 }
1453
1454 if (do_ac_init) {
1455 result = acpi_sbs_generate_event(sbs->device,
1456 ACPI_SBS_AC_NOTIFY_STATUS,
1457 new_ac_present,
1458 ACPI_AC_DIR_NAME,
1459 ACPI_AC_CLASS);
1460 if (result) {
1461 ACPI_EXCEPTION((AE_INFO, AE_ERROR,
1462 "acpi_sbs_generate_event() failed"));
1463 }
1464 }
1465
1466 if (data_type == DATA_TYPE_COMMON) {
1467 if (!do_ac_init && !update_battery) {
1468 goto end;
1469 }
1470 }
1471
1472 if (data_type == DATA_TYPE_AC_STATE && !do_ac_init) {
1473 goto end;
1474 }
1475
1476 for (id = id_min; id <= id_max; id++) {
1477 battery = &sbs->battery[id];
1478 if (battery->alive == 0) {
1479 continue;
1480 }
1481
1482 old_remaining_capacity = battery->state.remaining_capacity;
1483
1484 old_battery_present = battery->battery_present;
1485
1486 result = acpi_battery_select(battery);
1487 if (result) {
1488 ACPI_EXCEPTION((AE_INFO, AE_ERROR,
1489 "acpi_battery_select() failed"));
1490 }
1491
1492 result = acpi_battery_get_present(battery);
1493 if (result) {
1494 ACPI_EXCEPTION((AE_INFO, AE_ERROR,
1495 "acpi_battery_get_present() failed"));
1496 }
1497
1498 new_battery_present = battery->battery_present;
1499
1500 do_battery_init = ((old_battery_present != new_battery_present)
1501 && new_battery_present);
1502 if (!new_battery_present)
1503 goto event;
1504 if (do_ac_init || do_battery_init) {
1505 result = acpi_battery_init(battery);
1506 if (result) {
1507 ACPI_EXCEPTION((AE_INFO, AE_ERROR,
1508 "acpi_battery_init() "
1509 "failed"));
1510 }
1511 }
1512 if (sbs_zombie(sbs)) {
1513 goto end;
1514 }
1515
1516 if ((data_type == DATA_TYPE_COMMON
1517 || data_type == DATA_TYPE_INFO)
1518 && new_battery_present) {
1519 result = acpi_battery_get_info(battery);
1520 if (result) {
1521 ACPI_EXCEPTION((AE_INFO, AE_ERROR,
1522 "acpi_battery_get_info() failed"));
1523 }
1524 }
1525 if (data_type == DATA_TYPE_INFO) {
1526 continue;
1527 }
1528 if (sbs_zombie(sbs)) {
1529 goto end;
1530 }
1531
1532 if ((data_type == DATA_TYPE_COMMON
1533 || data_type == DATA_TYPE_STATE)
1534 && new_battery_present) {
1535 result = acpi_battery_get_state(battery);
1536 if (result) {
1537 ACPI_EXCEPTION((AE_INFO, AE_ERROR,
1538 "acpi_battery_get_state() failed"));
1539 }
1540 }
1541 if (data_type == DATA_TYPE_STATE) {
1542 goto event;
1543 }
1544 if (sbs_zombie(sbs)) {
1545 goto end;
1546 }
1547
1548 if ((data_type == DATA_TYPE_COMMON
1549 || data_type == DATA_TYPE_ALARM)
1550 && new_battery_present) {
1551 result = acpi_battery_get_alarm(battery);
1552 if (result) {
1553 ACPI_EXCEPTION((AE_INFO, AE_ERROR,
1554 "acpi_battery_get_alarm() "
1555 "failed"));
1556 }
1557 }
1558 if (data_type == DATA_TYPE_ALARM) {
1559 continue;
1560 }
1561 if (sbs_zombie(sbs)) {
1562 goto end;
1563 }
1564
1565 event:
1566
1567 if (old_battery_present != new_battery_present || do_ac_init ||
1568 old_remaining_capacity !=
1569 battery->state.remaining_capacity) {
1570 sprintf(dir_name, ACPI_BATTERY_DIR_NAME, id);
1571 result = acpi_sbs_generate_event(sbs->device,
1572 ACPI_SBS_BATTERY_NOTIFY_STATUS,
1573 new_battery_present,
1574 dir_name,
1575 ACPI_BATTERY_CLASS);
1576 if (result) {
1577 ACPI_EXCEPTION((AE_INFO, AE_ERROR,
1578 "acpi_sbs_generate_event() "
1579 "failed"));
1580 }
1581 } 900 }
1582 } 901 }
1583
1584 end:
1585
1586 return result;
1587} 902}
1588 903
1589static void acpi_sbs_update_time(void *data) 904static int acpi_sbs_remove(struct acpi_device *device, int type);
1590{
1591 struct acpi_sbs *sbs = data;
1592 unsigned long delay = -1;
1593 int result;
1594 unsigned int up_tm = update_time;
1595
1596 if (sbs_mutex_lock(sbs))
1597 return;
1598
1599 result = acpi_sbs_update_run(sbs, -1, DATA_TYPE_COMMON);
1600 if (result) {
1601 ACPI_EXCEPTION((AE_INFO, AE_ERROR,
1602 "acpi_sbs_update_run() failed"));
1603 }
1604
1605 if (sbs_zombie(sbs)) {
1606 goto end;
1607 }
1608
1609 if (!up_tm) {
1610 if (timer_pending(&sbs->update_timer))
1611 del_timer(&sbs->update_timer);
1612 } else {
1613 delay = (up_tm > UPDATE_DELAY ? UPDATE_DELAY : up_tm);
1614 delay = jiffies + HZ * delay;
1615 if (timer_pending(&sbs->update_timer)) {
1616 mod_timer(&sbs->update_timer, delay);
1617 } else {
1618 sbs->update_timer.data = (unsigned long)data;
1619 sbs->update_timer.function = acpi_sbs_update_time_run;
1620 sbs->update_timer.expires = delay;
1621 add_timer(&sbs->update_timer);
1622 }
1623 }
1624
1625 end:
1626
1627 sbs_mutex_unlock(sbs);
1628}
1629 905
1630static int acpi_sbs_add(struct acpi_device *device) 906static int acpi_sbs_add(struct acpi_device *device)
1631{ 907{
1632 struct acpi_sbs *sbs = NULL; 908 struct acpi_sbs *sbs;
1633 int result = 0, remove_result = 0; 909 int result = 0;
1634 int id; 910 int id;
1635 acpi_status status = AE_OK;
1636 unsigned long val;
1637
1638 status =
1639 acpi_evaluate_integer(device->handle, "_EC", NULL, &val);
1640 if (ACPI_FAILURE(status)) {
1641 ACPI_EXCEPTION((AE_INFO, AE_ERROR, "Error obtaining _EC"));
1642 return -EIO;
1643 }
1644 911
1645 sbs = kzalloc(sizeof(struct acpi_sbs), GFP_KERNEL); 912 sbs = kzalloc(sizeof(struct acpi_sbs), GFP_KERNEL);
1646 if (!sbs) { 913 if (!sbs) {
1647 ACPI_EXCEPTION((AE_INFO, AE_ERROR, "kzalloc() failed"));
1648 result = -ENOMEM; 914 result = -ENOMEM;
1649 goto end; 915 goto end;
1650 } 916 }
1651 917
1652 mutex_init(&sbs->mutex); 918 mutex_init(&sbs->lock);
1653
1654 sbs_mutex_lock(sbs);
1655 919
1656 sbs->base = 0xff & (val >> 8); 920 sbs->hc = acpi_driver_data(device->parent);
1657 sbs->device = device; 921 sbs->device = device;
1658
1659 strcpy(acpi_device_name(device), ACPI_SBS_DEVICE_NAME); 922 strcpy(acpi_device_name(device), ACPI_SBS_DEVICE_NAME);
1660 strcpy(acpi_device_class(device), ACPI_SBS_CLASS); 923 strcpy(acpi_device_class(device), ACPI_SBS_CLASS);
1661 acpi_driver_data(device) = sbs; 924 acpi_driver_data(device) = sbs;
1662 925
1663 result = acpi_ac_add(sbs); 926 result = acpi_charger_add(sbs);
1664 if (result) {
1665 ACPI_EXCEPTION((AE_INFO, AE_ERROR, "acpi_ac_add() failed"));
1666 goto end;
1667 }
1668
1669 acpi_sbsm_get_info(sbs);
1670
1671 if (!sbs->sbsm_present) {
1672 result = acpi_battery_add(sbs, 0);
1673 if (result) {
1674 ACPI_EXCEPTION((AE_INFO, AE_ERROR,
1675 "acpi_battery_add() failed"));
1676 goto end;
1677 }
1678 } else {
1679 for (id = 0; id < MAX_SBS_BAT; id++) {
1680 if ((sbs->sbsm_batteries_supported & (1 << id))) {
1681 result = acpi_battery_add(sbs, id);
1682 if (result) {
1683 ACPI_EXCEPTION((AE_INFO, AE_ERROR,
1684 "acpi_battery_add() failed"));
1685 goto end;
1686 }
1687 }
1688 }
1689 }
1690
1691 init_timer(&sbs->update_timer);
1692 result = acpi_check_update_proc(sbs);
1693 if (result) 927 if (result)
1694 goto end; 928 goto end;
1695 929
930 result = acpi_manager_get_info(sbs);
931 if (!result) {
932 sbs->manager_present = 1;
933 for (id = 0; id < MAX_SBS_BAT; ++id)
934 if ((sbs->batteries_supported & (1 << id)))
935 acpi_battery_add(sbs, id);
936 } else
937 acpi_battery_add(sbs, 0);
938 acpi_smbus_register_callback(sbs->hc, acpi_sbs_callback, sbs);
1696 end: 939 end:
1697 940 if (result)
1698 sbs_mutex_unlock(sbs); 941 acpi_sbs_remove(device, 0);
1699
1700 if (result) {
1701 remove_result = acpi_sbs_remove(device, 0);
1702 if (remove_result) {
1703 ACPI_EXCEPTION((AE_INFO, AE_ERROR,
1704 "acpi_sbs_remove() failed"));
1705 }
1706 }
1707
1708 return result; 942 return result;
1709} 943}
1710 944
@@ -1713,39 +947,25 @@ static int acpi_sbs_remove(struct acpi_device *device, int type)
1713 struct acpi_sbs *sbs; 947 struct acpi_sbs *sbs;
1714 int id; 948 int id;
1715 949
1716 if (!device) { 950 if (!device)
1717 return -EINVAL; 951 return -EINVAL;
1718 }
1719
1720 sbs = acpi_driver_data(device); 952 sbs = acpi_driver_data(device);
1721 if (!sbs) { 953 if (!sbs)
1722 return -EINVAL; 954 return -EINVAL;
1723 } 955 mutex_lock(&sbs->lock);
1724 956 acpi_smbus_unregister_callback(sbs->hc);
1725 sbs_mutex_lock(sbs); 957 for (id = 0; id < MAX_SBS_BAT; ++id)
1726
1727 sbs->zombie = 1;
1728 del_timer_sync(&sbs->update_timer);
1729 acpi_os_wait_events_complete(NULL);
1730 del_timer_sync(&sbs->update_timer);
1731
1732 for (id = 0; id < MAX_SBS_BAT; id++) {
1733 acpi_battery_remove(sbs, id); 958 acpi_battery_remove(sbs, id);
1734 } 959 acpi_charger_remove(sbs);
1735 960 mutex_unlock(&sbs->lock);
1736 acpi_ac_remove(sbs); 961 mutex_destroy(&sbs->lock);
1737
1738 sbs_mutex_unlock(sbs);
1739
1740 mutex_destroy(&sbs->mutex);
1741
1742 kfree(sbs); 962 kfree(sbs);
1743
1744 return 0; 963 return 0;
1745} 964}
1746 965
1747static void acpi_sbs_rmdirs(void) 966static void acpi_sbs_rmdirs(void)
1748{ 967{
968#ifdef CONFIG_ACPI_PROCFS
1749 if (acpi_ac_dir) { 969 if (acpi_ac_dir) {
1750 acpi_unlock_ac_dir(acpi_ac_dir); 970 acpi_unlock_ac_dir(acpi_ac_dir);
1751 acpi_ac_dir = NULL; 971 acpi_ac_dir = NULL;
@@ -1754,69 +974,58 @@ static void acpi_sbs_rmdirs(void)
1754 acpi_unlock_battery_dir(acpi_battery_dir); 974 acpi_unlock_battery_dir(acpi_battery_dir);
1755 acpi_battery_dir = NULL; 975 acpi_battery_dir = NULL;
1756 } 976 }
977#endif
1757} 978}
1758 979
1759static int acpi_sbs_resume(struct acpi_device *device) 980static int acpi_sbs_resume(struct acpi_device *device)
1760{ 981{
1761 struct acpi_sbs *sbs; 982 struct acpi_sbs *sbs;
1762
1763 if (!device) 983 if (!device)
1764 return -EINVAL; 984 return -EINVAL;
1765
1766 sbs = device->driver_data; 985 sbs = device->driver_data;
1767 986 acpi_sbs_callback(sbs);
1768 sbs->run_cnt = 0;
1769
1770 return 0; 987 return 0;
1771} 988}
1772 989
990static struct acpi_driver acpi_sbs_driver = {
991 .name = "sbs",
992 .class = ACPI_SBS_CLASS,
993 .ids = sbs_device_ids,
994 .ops = {
995 .add = acpi_sbs_add,
996 .remove = acpi_sbs_remove,
997 .resume = acpi_sbs_resume,
998 },
999};
1000
1773static int __init acpi_sbs_init(void) 1001static int __init acpi_sbs_init(void)
1774{ 1002{
1775 int result = 0; 1003 int result = 0;
1776 1004
1777 if (acpi_disabled) 1005 if (acpi_disabled)
1778 return -ENODEV; 1006 return -ENODEV;
1779 1007#ifdef CONFIG_ACPI_PROCFS
1780 if (capacity_mode != DEF_CAPACITY_UNIT
1781 && capacity_mode != MAH_CAPACITY_UNIT
1782 && capacity_mode != MWH_CAPACITY_UNIT) {
1783 ACPI_EXCEPTION((AE_INFO, AE_ERROR,
1784 "invalid capacity_mode = %d", capacity_mode));
1785 return -EINVAL;
1786 }
1787
1788 acpi_ac_dir = acpi_lock_ac_dir(); 1008 acpi_ac_dir = acpi_lock_ac_dir();
1789 if (!acpi_ac_dir) { 1009 if (!acpi_ac_dir)
1790 ACPI_EXCEPTION((AE_INFO, AE_ERROR,
1791 "acpi_lock_ac_dir() failed"));
1792 return -ENODEV; 1010 return -ENODEV;
1793 }
1794
1795 acpi_battery_dir = acpi_lock_battery_dir(); 1011 acpi_battery_dir = acpi_lock_battery_dir();
1796 if (!acpi_battery_dir) { 1012 if (!acpi_battery_dir) {
1797 ACPI_EXCEPTION((AE_INFO, AE_ERROR,
1798 "acpi_lock_battery_dir() failed"));
1799 acpi_sbs_rmdirs(); 1013 acpi_sbs_rmdirs();
1800 return -ENODEV; 1014 return -ENODEV;
1801 } 1015 }
1802 1016#endif
1803 result = acpi_bus_register_driver(&acpi_sbs_driver); 1017 result = acpi_bus_register_driver(&acpi_sbs_driver);
1804 if (result < 0) { 1018 if (result < 0) {
1805 ACPI_EXCEPTION((AE_INFO, AE_ERROR,
1806 "acpi_bus_register_driver() failed"));
1807 acpi_sbs_rmdirs(); 1019 acpi_sbs_rmdirs();
1808 return -ENODEV; 1020 return -ENODEV;
1809 } 1021 }
1810
1811 return 0; 1022 return 0;
1812} 1023}
1813 1024
1814static void __exit acpi_sbs_exit(void) 1025static void __exit acpi_sbs_exit(void)
1815{ 1026{
1816 acpi_bus_unregister_driver(&acpi_sbs_driver); 1027 acpi_bus_unregister_driver(&acpi_sbs_driver);
1817
1818 acpi_sbs_rmdirs(); 1028 acpi_sbs_rmdirs();
1819
1820 return; 1029 return;
1821} 1030}
1822 1031
generated by cgit v1.2.2 (git 2.25.0) at 2024-11-16 23:14:48 -0500