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authorVladimir Lebedev <vladimir.p.lebedev@intel.com>2007-03-19 10:45:50 -0400
committerLen Brown <len.brown@intel.com>2007-03-22 01:15:57 -0400
commit6d15702cc07503b74494dc4f1ddb15f354987b14 (patch)
tree4e0eaf31f6a4609a1ce94e556e529eeb405c1771 /drivers/acpi/sbs.c
parent8559840c4ca3f2fff73a882803bc8916078fac1f (diff)
ACPI: sbs: use EC rather than I2C
SBS is based on EC function(ec_read/ec_write). Not needed using of I2C structures/functions ... is removed. SBS does not depend on I2C now. Signed-off-by: Vladimir Lebedev <vladimir.p.lebedev@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
Diffstat (limited to 'drivers/acpi/sbs.c')
-rw-r--r--drivers/acpi/sbs.c565
1 files changed, 287 insertions, 278 deletions
diff --git a/drivers/acpi/sbs.c b/drivers/acpi/sbs.c
index 59640d9a0acc..eab5c680a6ac 100644
--- a/drivers/acpi/sbs.c
+++ b/drivers/acpi/sbs.c
@@ -30,30 +30,9 @@
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/delay.h> 34#include <linux/delay.h>
35 35
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 36#define ACPI_SBS_COMPONENT 0x00080000
58#define ACPI_SBS_CLASS "sbs" 37#define ACPI_SBS_CLASS "sbs"
59#define ACPI_AC_CLASS "ac_adapter" 38#define ACPI_AC_CLASS "ac_adapter"
@@ -74,15 +53,62 @@ extern void acpi_unlock_battery_dir(struct proc_dir_entry *acpi_battery_dir);
74 53
75#define _COMPONENT ACPI_SBS_COMPONENT 54#define _COMPONENT ACPI_SBS_COMPONENT
76 55
77#define MAX_SBS_BAT 4
78#define MAX_SMBUS_ERR 1
79
80ACPI_MODULE_NAME("sbs"); 56ACPI_MODULE_NAME("sbs");
81 57
82MODULE_AUTHOR("Rich Townsend"); 58MODULE_AUTHOR("Rich Townsend");
83MODULE_DESCRIPTION("Smart Battery System ACPI interface driver"); 59MODULE_DESCRIPTION("Smart Battery System ACPI interface driver");
84MODULE_LICENSE("GPL"); 60MODULE_LICENSE("GPL");
85 61
62#define xmsleep(t) msleep(t)
63
64#define ACPI_EC_SMB_PRTCL 0x00 /* protocol, PEC */
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
98extern struct proc_dir_entry *acpi_lock_ac_dir(void);
99extern struct proc_dir_entry *acpi_lock_battery_dir(void);
100extern 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);
102
103#define MAX_SBS_BAT 4
104#define ACPI_SBS_BLOCK_MAX 32
105
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
86static struct semaphore sbs_sem; 112static struct semaphore sbs_sem;
87 113
88#define UPDATE_MODE QUEUE_UPDATE_MODE 114#define UPDATE_MODE QUEUE_UPDATE_MODE
@@ -105,7 +131,6 @@ module_param(update_time2, int, 0);
105 131
106static int acpi_sbs_add(struct acpi_device *device); 132static int acpi_sbs_add(struct acpi_device *device);
107static int acpi_sbs_remove(struct acpi_device *device, int type); 133static int acpi_sbs_remove(struct acpi_device *device, int type);
108static void acpi_battery_smbus_err_handler(struct acpi_ec_smbus *smbus);
109static void acpi_sbs_update_queue(void *data); 134static void acpi_sbs_update_queue(void *data);
110 135
111static struct acpi_driver acpi_sbs_driver = { 136static struct acpi_driver acpi_sbs_driver = {
@@ -126,9 +151,9 @@ struct acpi_battery_info {
126 int vscale; 151 int vscale;
127 int ipscale; 152 int ipscale;
128 s16 serial_number; 153 s16 serial_number;
129 char manufacturer_name[I2C_SMBUS_BLOCK_MAX + 3]; 154 char manufacturer_name[ACPI_SBS_BLOCK_MAX + 3];
130 char device_name[I2C_SMBUS_BLOCK_MAX + 3]; 155 char device_name[ACPI_SBS_BLOCK_MAX + 3];
131 char device_chemistry[I2C_SMBUS_BLOCK_MAX + 3]; 156 char device_chemistry[ACPI_SBS_BLOCK_MAX + 3];
132}; 157};
133 158
134struct acpi_battery_state { 159struct acpi_battery_state {
@@ -158,8 +183,8 @@ struct acpi_battery {
158 183
159struct acpi_sbs { 184struct acpi_sbs {
160 acpi_handle handle; 185 acpi_handle handle;
186 int base;
161 struct acpi_device *device; 187 struct acpi_device *device;
162 struct acpi_ec_smbus *smbus;
163 int sbsm_present; 188 int sbsm_present;
164 int sbsm_batteries_supported; 189 int sbsm_batteries_supported;
165 int ac_present; 190 int ac_present;
@@ -172,6 +197,14 @@ struct acpi_sbs {
172 struct timer_list update_timer; 197 struct timer_list update_timer;
173}; 198};
174 199
200union sbs_rw_data {
201 u16 word;
202 u8 block[ACPI_SBS_BLOCK_MAX + 2];
203};
204
205static int acpi_ec_sbs_access(struct acpi_sbs *sbs, u16 addr,
206 char read_write, u8 command, int size,
207 union sbs_rw_data *data);
175static void acpi_update_delay(struct acpi_sbs *sbs); 208static void acpi_update_delay(struct acpi_sbs *sbs);
176static int acpi_sbs_update_run(struct acpi_sbs *sbs, int data_type); 209static int acpi_sbs_update_run(struct acpi_sbs *sbs, int data_type);
177 210
@@ -179,155 +212,172 @@ static int acpi_sbs_update_run(struct acpi_sbs *sbs, int data_type);
179 SMBus Communication 212 SMBus Communication
180 -------------------------------------------------------------------------- */ 213 -------------------------------------------------------------------------- */
181 214
182static void acpi_battery_smbus_err_handler(struct acpi_ec_smbus *smbus) 215static int acpi_ec_sbs_read(struct acpi_sbs *sbs, u8 address, u8 * data)
183{ 216{
184 union i2c_smbus_data data; 217 u8 val;
185 int result = 0; 218 int err;
186 char *err_str;
187 int err_number;
188 219
189 data.word = 0; 220 err = ec_read(sbs->base + address, &val);
221 if (!err) {
222 *data = val;
223 }
224 xmsleep(ACPI_EC_SMB_TRANSACTION_SLEEP);
225 return (err);
226}
190 227
191 result = smbus->adapter.algo-> 228static int acpi_ec_sbs_write(struct acpi_sbs *sbs, u8 address, u8 data)
192 smbus_xfer(&smbus->adapter, 229{
193 ACPI_SB_SMBUS_ADDR, 230 int err;
194 0, I2C_SMBUS_READ, 0x16, I2C_SMBUS_BLOCK_DATA, &data);
195 231
196 err_number = (data.word & 0x000f); 232 err = ec_write(sbs->base + address, data);
233 return (err);
234}
197 235
198 switch (data.word & 0x000f) { 236static int
199 case 0x0000: 237acpi_ec_sbs_access(struct acpi_sbs *sbs, u16 addr,
200 err_str = "unexpected bus error"; 238 char read_write, u8 command, int size,
201 break; 239 union sbs_rw_data *data)
202 case 0x0001: 240{
203 err_str = "busy"; 241 unsigned char protocol, len = 0, temp[2] = { 0, 0 };
204 break; 242 int i;
205 case 0x0002: 243
206 err_str = "reserved command"; 244 if (read_write == ACPI_SBS_SMBUS_READ) {
207 break; 245 protocol = ACPI_EC_SMB_PRTCL_READ;
208 case 0x0003: 246 } else {
209 err_str = "unsupported command"; 247 protocol = ACPI_EC_SMB_PRTCL_WRITE;
210 break; 248 }
211 case 0x0004: 249
212 err_str = "access denied"; 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;
213 break; 260 break;
214 case 0x0005: 261 case ACPI_SBS_BLOCK_DATA:
215 err_str = "overflow/underflow"; 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;
216 break; 271 break;
217 case 0x0006: 272 default:
218 err_str = "bad size"; 273 ACPI_EXCEPTION((AE_INFO, AE_ERROR,
274 "unsupported transaction %d\n", 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\n", 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];
219 break; 308 break;
220 case 0x0007: 309
221 err_str = "unknown error"; 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;
222 break; 318 break;
223 default: 319 default:
224 err_str = "unrecognized error"; 320 ACPI_EXCEPTION((AE_INFO, AE_ERROR,
321 "unsupported transaction %d\n", size));
322 return (-1);
225 } 323 }
226 ACPI_DEBUG_PRINT((ACPI_DB_ERROR, 324
227 "%s: ret %i, err %i\n", err_str, result, err_number)); 325 return (0);
228} 326}
229 327
230static int 328static int
231acpi_sbs_smbus_read_word(struct acpi_ec_smbus *smbus, int addr, int func, 329acpi_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{ 330{
235 union i2c_smbus_data data; 331 union sbs_rw_data data;
236 int result = 0; 332 int result = 0;
237 int i;
238 333
239 if (err_handler == NULL) { 334 result = acpi_ec_sbs_access(sbs, addr,
240 err_handler = acpi_battery_smbus_err_handler; 335 ACPI_SBS_SMBUS_READ, func,
241 } 336 ACPI_SBS_WORD_DATA, &data);
242 337 if (result) {
243 for (i = 0; i < MAX_SMBUS_ERR; i++) { 338 ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
244 result = 339 "acpi_ec_sbs_access() failed\n"));
245 smbus->adapter.algo->smbus_xfer(&smbus->adapter, addr, 0, 340 } else {
246 I2C_SMBUS_READ, func, 341 *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 } 342 }
260 343
261 return result; 344 return result;
262} 345}
263 346
264static int 347static int
265acpi_sbs_smbus_read_str(struct acpi_ec_smbus *smbus, int addr, int func, 348acpi_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{ 349{
269 union i2c_smbus_data data; 350 union sbs_rw_data data;
270 int result = 0; 351 int result = 0;
271 int i;
272
273 if (err_handler == NULL) {
274 err_handler = acpi_battery_smbus_err_handler;
275 }
276 352
277 for (i = 0; i < MAX_SMBUS_ERR; i++) { 353 result = acpi_ec_sbs_access(sbs, addr,
278 result = 354 ACPI_SBS_SMBUS_READ, func,
279 smbus->adapter.algo->smbus_xfer(&smbus->adapter, addr, 0, 355 ACPI_SBS_BLOCK_DATA, &data);
280 I2C_SMBUS_READ, func, 356 if (result) {
281 I2C_SMBUS_BLOCK_DATA, 357 ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
282 &data); 358 "acpi_ec_sbs_access() failed\n"));
283 if (result) { 359 } else {
284 ACPI_DEBUG_PRINT((ACPI_DB_ERROR, 360 strncpy(str, (const char *)data.block + 1, data.block[0]);
285 "try %i: smbus->adapter.algo->smbus_xfer() failed\n", 361 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 } 362 }
297 363
298 return result; 364 return result;
299} 365}
300 366
301static int 367static int
302acpi_sbs_smbus_write_word(struct acpi_ec_smbus *smbus, int addr, int func, 368acpi_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{ 369{
306 union i2c_smbus_data data; 370 union sbs_rw_data data;
307 int result = 0; 371 int result = 0;
308 int i;
309
310 if (err_handler == NULL) {
311 err_handler = acpi_battery_smbus_err_handler;
312 }
313 372
314 data.word = word; 373 data.word = word;
315 374
316 for (i = 0; i < MAX_SMBUS_ERR; i++) { 375 result = acpi_ec_sbs_access(sbs, addr,
317 result = 376 ACPI_SBS_SMBUS_WRITE, func,
318 smbus->adapter.algo->smbus_xfer(&smbus->adapter, addr, 0, 377 ACPI_SBS_WORD_DATA, &data);
319 I2C_SMBUS_WRITE, func, 378 if (result) {
320 I2C_SMBUS_WORD_DATA, &data); 379 ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
321 if (result) { 380 "acpi_ec_sbs_access() failed\n"));
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 } 381 }
332 382
333 return result; 383 return result;
@@ -366,12 +416,11 @@ static int acpi_battery_get_present(struct acpi_battery *battery)
366 int result = 0; 416 int result = 0;
367 int is_present = 0; 417 int is_present = 0;
368 418
369 result = acpi_sbs_smbus_read_word(battery->sbs->smbus, 419 result = acpi_sbs_read_word(battery->sbs,
370 ACPI_SBSM_SMBUS_ADDR, 0x01, 420 ACPI_SBSM_SMBUS_ADDR, 0x01, &state);
371 &state, NULL);
372 if (result) { 421 if (result) {
373 ACPI_DEBUG_PRINT((ACPI_DB_ERROR, 422 ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
374 "acpi_sbs_smbus_read_word() failed")); 423 "acpi_sbs_read_word() failed"));
375 } 424 }
376 if (!result) { 425 if (!result) {
377 is_present = (state & 0x000f) & (1 << battery->id); 426 is_present = (state & 0x000f) & (1 << battery->id);
@@ -393,7 +442,7 @@ static int acpi_ac_is_present(struct acpi_sbs *sbs)
393 442
394static int acpi_battery_select(struct acpi_battery *battery) 443static int acpi_battery_select(struct acpi_battery *battery)
395{ 444{
396 struct acpi_ec_smbus *smbus = battery->sbs->smbus; 445 struct acpi_sbs *sbs = battery->sbs;
397 int result = 0; 446 int result = 0;
398 s16 state; 447 s16 state;
399 int foo; 448 int foo;
@@ -405,21 +454,19 @@ static int acpi_battery_select(struct acpi_battery *battery)
405 * it causes charging to halt on SBSELs */ 454 * it causes charging to halt on SBSELs */
406 455
407 result = 456 result =
408 acpi_sbs_smbus_read_word(smbus, ACPI_SBSM_SMBUS_ADDR, 0x01, 457 acpi_sbs_read_word(sbs, ACPI_SBSM_SMBUS_ADDR, 0x01, &state);
409 &state, NULL);
410 if (result) { 458 if (result) {
411 ACPI_DEBUG_PRINT((ACPI_DB_ERROR, 459 ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
412 "acpi_sbs_smbus_read_word() failed\n")); 460 "acpi_sbs_read_word() failed\n"));
413 goto end; 461 goto end;
414 } 462 }
415 463
416 foo = (state & 0x0fff) | (1 << (battery->id + 12)); 464 foo = (state & 0x0fff) | (1 << (battery->id + 12));
417 result = 465 result =
418 acpi_sbs_smbus_write_word(smbus, ACPI_SBSM_SMBUS_ADDR, 0x01, 466 acpi_sbs_write_word(sbs, ACPI_SBSM_SMBUS_ADDR, 0x01, foo);
419 foo, NULL);
420 if (result) { 467 if (result) {
421 ACPI_DEBUG_PRINT((ACPI_DB_ERROR, 468 ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
422 "acpi_sbs_smbus_write_word() failed\n")); 469 "acpi_sbs_write_word() failed\n"));
423 goto end; 470 goto end;
424 } 471 }
425 } 472 }
@@ -430,15 +477,14 @@ static int acpi_battery_select(struct acpi_battery *battery)
430 477
431static int acpi_sbsm_get_info(struct acpi_sbs *sbs) 478static int acpi_sbsm_get_info(struct acpi_sbs *sbs)
432{ 479{
433 struct acpi_ec_smbus *smbus = sbs->smbus;
434 int result = 0; 480 int result = 0;
435 s16 battery_system_info; 481 s16 battery_system_info;
436 482
437 result = acpi_sbs_smbus_read_word(smbus, ACPI_SBSM_SMBUS_ADDR, 0x04, 483 result = acpi_sbs_read_word(sbs, ACPI_SBSM_SMBUS_ADDR, 0x04,
438 &battery_system_info, NULL); 484 &battery_system_info);
439 if (result) { 485 if (result) {
440 ACPI_DEBUG_PRINT((ACPI_DB_ERROR, 486 ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
441 "acpi_sbs_smbus_read_word() failed\n")); 487 "acpi_sbs_read_word() failed\n"));
442 goto end; 488 goto end;
443 } 489 }
444 490
@@ -451,53 +497,48 @@ static int acpi_sbsm_get_info(struct acpi_sbs *sbs)
451 497
452static int acpi_battery_get_info(struct acpi_battery *battery) 498static int acpi_battery_get_info(struct acpi_battery *battery)
453{ 499{
454 struct acpi_ec_smbus *smbus = battery->sbs->smbus; 500 struct acpi_sbs *sbs = battery->sbs;
455 int result = 0; 501 int result = 0;
456 s16 battery_mode; 502 s16 battery_mode;
457 s16 specification_info; 503 s16 specification_info;
458 504
459 result = acpi_sbs_smbus_read_word(smbus, ACPI_SB_SMBUS_ADDR, 0x03, 505 result = acpi_sbs_read_word(sbs, ACPI_SB_SMBUS_ADDR, 0x03,
460 &battery_mode, 506 &battery_mode);
461 &acpi_battery_smbus_err_handler);
462 if (result) { 507 if (result) {
463 ACPI_DEBUG_PRINT((ACPI_DB_ERROR, 508 ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
464 "acpi_sbs_smbus_read_word() failed\n")); 509 "acpi_sbs_read_word() failed\n"));
465 goto end; 510 goto end;
466 } 511 }
467 battery->info.capacity_mode = (battery_mode & 0x8000) >> 15; 512 battery->info.capacity_mode = (battery_mode & 0x8000) >> 15;
468 513
469 result = acpi_sbs_smbus_read_word(smbus, ACPI_SB_SMBUS_ADDR, 0x10, 514 result = acpi_sbs_read_word(sbs, ACPI_SB_SMBUS_ADDR, 0x10,
470 &battery->info.full_charge_capacity, 515 &battery->info.full_charge_capacity);
471 &acpi_battery_smbus_err_handler);
472 if (result) { 516 if (result) {
473 ACPI_DEBUG_PRINT((ACPI_DB_ERROR, 517 ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
474 "acpi_sbs_smbus_read_word() failed\n")); 518 "acpi_sbs_read_word() failed\n"));
475 goto end; 519 goto end;
476 } 520 }
477 521
478 result = acpi_sbs_smbus_read_word(smbus, ACPI_SB_SMBUS_ADDR, 0x18, 522 result = acpi_sbs_read_word(sbs, ACPI_SB_SMBUS_ADDR, 0x18,
479 &battery->info.design_capacity, 523 &battery->info.design_capacity);
480 &acpi_battery_smbus_err_handler);
481 524
482 if (result) { 525 if (result) {
483 goto end; 526 goto end;
484 } 527 }
485 528
486 result = acpi_sbs_smbus_read_word(smbus, ACPI_SB_SMBUS_ADDR, 0x19, 529 result = acpi_sbs_read_word(sbs, ACPI_SB_SMBUS_ADDR, 0x19,
487 &battery->info.design_voltage, 530 &battery->info.design_voltage);
488 &acpi_battery_smbus_err_handler);
489 if (result) { 531 if (result) {
490 ACPI_DEBUG_PRINT((ACPI_DB_ERROR, 532 ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
491 "acpi_sbs_smbus_read_word() failed\n")); 533 "acpi_sbs_read_word() failed\n"));
492 goto end; 534 goto end;
493 } 535 }
494 536
495 result = acpi_sbs_smbus_read_word(smbus, ACPI_SB_SMBUS_ADDR, 0x1a, 537 result = acpi_sbs_read_word(sbs, ACPI_SB_SMBUS_ADDR, 0x1a,
496 &specification_info, 538 &specification_info);
497 &acpi_battery_smbus_err_handler);
498 if (result) { 539 if (result) {
499 ACPI_DEBUG_PRINT((ACPI_DB_ERROR, 540 ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
500 "acpi_sbs_smbus_read_word() failed\n")); 541 "acpi_sbs_read_word() failed\n"));
501 goto end; 542 goto end;
502 } 543 }
503 544
@@ -529,37 +570,33 @@ static int acpi_battery_get_info(struct acpi_battery *battery)
529 battery->info.ipscale = 1; 570 battery->info.ipscale = 1;
530 } 571 }
531 572
532 result = acpi_sbs_smbus_read_word(smbus, ACPI_SB_SMBUS_ADDR, 0x1c, 573 result = acpi_sbs_read_word(sbs, ACPI_SB_SMBUS_ADDR, 0x1c,
533 &battery->info.serial_number, 574 &battery->info.serial_number);
534 &acpi_battery_smbus_err_handler);
535 if (result) { 575 if (result) {
536 goto end; 576 goto end;
537 } 577 }
538 578
539 result = acpi_sbs_smbus_read_str(smbus, ACPI_SB_SMBUS_ADDR, 0x20, 579 result = acpi_sbs_read_str(sbs, ACPI_SB_SMBUS_ADDR, 0x20,
540 battery->info.manufacturer_name, 580 battery->info.manufacturer_name);
541 &acpi_battery_smbus_err_handler);
542 if (result) { 581 if (result) {
543 ACPI_DEBUG_PRINT((ACPI_DB_ERROR, 582 ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
544 "acpi_sbs_smbus_read_str() failed\n")); 583 "acpi_sbs_read_str() failed\n"));
545 goto end; 584 goto end;
546 } 585 }
547 586
548 result = acpi_sbs_smbus_read_str(smbus, ACPI_SB_SMBUS_ADDR, 0x21, 587 result = acpi_sbs_read_str(sbs, ACPI_SB_SMBUS_ADDR, 0x21,
549 battery->info.device_name, 588 battery->info.device_name);
550 &acpi_battery_smbus_err_handler);
551 if (result) { 589 if (result) {
552 ACPI_DEBUG_PRINT((ACPI_DB_ERROR, 590 ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
553 "acpi_sbs_smbus_read_str() failed\n")); 591 "acpi_sbs_read_str() failed\n"));
554 goto end; 592 goto end;
555 } 593 }
556 594
557 result = acpi_sbs_smbus_read_str(smbus, ACPI_SB_SMBUS_ADDR, 0x22, 595 result = acpi_sbs_read_str(sbs, ACPI_SB_SMBUS_ADDR, 0x22,
558 battery->info.device_chemistry, 596 battery->info.device_chemistry);
559 &acpi_battery_smbus_err_handler);
560 if (result) { 597 if (result) {
561 ACPI_DEBUG_PRINT((ACPI_DB_ERROR, 598 ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
562 "acpi_sbs_smbus_read_str() failed\n")); 599 "acpi_sbs_read_str() failed\n"));
563 goto end; 600 goto end;
564 } 601 }
565 602
@@ -579,66 +616,60 @@ static void acpi_update_delay(struct acpi_sbs *sbs)
579 616
580static int acpi_battery_get_state(struct acpi_battery *battery) 617static int acpi_battery_get_state(struct acpi_battery *battery)
581{ 618{
582 struct acpi_ec_smbus *smbus = battery->sbs->smbus; 619 struct acpi_sbs *sbs = battery->sbs;
583 int result = 0; 620 int result = 0;
584 621
585 acpi_update_delay(battery->sbs); 622 acpi_update_delay(battery->sbs);
586 result = acpi_sbs_smbus_read_word(smbus, ACPI_SB_SMBUS_ADDR, 0x09, 623 result = acpi_sbs_read_word(sbs, ACPI_SB_SMBUS_ADDR, 0x09,
587 &battery->state.voltage, 624 &battery->state.voltage);
588 &acpi_battery_smbus_err_handler);
589 if (result) { 625 if (result) {
590 ACPI_DEBUG_PRINT((ACPI_DB_ERROR, 626 ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
591 "acpi_sbs_smbus_read_word() failed\n")); 627 "acpi_sbs_read_word() failed\n"));
592 goto end; 628 goto end;
593 } 629 }
594 630
595 acpi_update_delay(battery->sbs); 631 acpi_update_delay(battery->sbs);
596 result = acpi_sbs_smbus_read_word(smbus, ACPI_SB_SMBUS_ADDR, 0x0a, 632 result = acpi_sbs_read_word(sbs, ACPI_SB_SMBUS_ADDR, 0x0a,
597 &battery->state.amperage, 633 &battery->state.amperage);
598 &acpi_battery_smbus_err_handler);
599 if (result) { 634 if (result) {
600 ACPI_DEBUG_PRINT((ACPI_DB_ERROR, 635 ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
601 "acpi_sbs_smbus_read_word() failed\n")); 636 "acpi_sbs_read_word() failed\n"));
602 goto end; 637 goto end;
603 } 638 }
604 639
605 acpi_update_delay(battery->sbs); 640 acpi_update_delay(battery->sbs);
606 result = acpi_sbs_smbus_read_word(smbus, ACPI_SB_SMBUS_ADDR, 0x0f, 641 result = acpi_sbs_read_word(sbs, ACPI_SB_SMBUS_ADDR, 0x0f,
607 &battery->state.remaining_capacity, 642 &battery->state.remaining_capacity);
608 &acpi_battery_smbus_err_handler);
609 if (result) { 643 if (result) {
610 ACPI_DEBUG_PRINT((ACPI_DB_ERROR, 644 ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
611 "acpi_sbs_smbus_read_word() failed\n")); 645 "acpi_sbs_read_word() failed\n"));
612 goto end; 646 goto end;
613 } 647 }
614 648
615 acpi_update_delay(battery->sbs); 649 acpi_update_delay(battery->sbs);
616 result = acpi_sbs_smbus_read_word(smbus, ACPI_SB_SMBUS_ADDR, 0x12, 650 result = acpi_sbs_read_word(sbs, ACPI_SB_SMBUS_ADDR, 0x12,
617 &battery->state.average_time_to_empty, 651 &battery->state.average_time_to_empty);
618 &acpi_battery_smbus_err_handler);
619 if (result) { 652 if (result) {
620 ACPI_DEBUG_PRINT((ACPI_DB_ERROR, 653 ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
621 "acpi_sbs_smbus_read_word() failed\n")); 654 "acpi_sbs_read_word() failed\n"));
622 goto end; 655 goto end;
623 } 656 }
624 657
625 acpi_update_delay(battery->sbs); 658 acpi_update_delay(battery->sbs);
626 result = acpi_sbs_smbus_read_word(smbus, ACPI_SB_SMBUS_ADDR, 0x13, 659 result = acpi_sbs_read_word(sbs, ACPI_SB_SMBUS_ADDR, 0x13,
627 &battery->state.average_time_to_full, 660 &battery->state.average_time_to_full);
628 &acpi_battery_smbus_err_handler);
629 if (result) { 661 if (result) {
630 ACPI_DEBUG_PRINT((ACPI_DB_ERROR, 662 ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
631 "acpi_sbs_smbus_read_word() failed\n")); 663 "acpi_sbs_read_word() failed\n"));
632 goto end; 664 goto end;
633 } 665 }
634 666
635 acpi_update_delay(battery->sbs); 667 acpi_update_delay(battery->sbs);
636 result = acpi_sbs_smbus_read_word(smbus, ACPI_SB_SMBUS_ADDR, 0x16, 668 result = acpi_sbs_read_word(sbs, ACPI_SB_SMBUS_ADDR, 0x16,
637 &battery->state.battery_status, 669 &battery->state.battery_status);
638 &acpi_battery_smbus_err_handler);
639 if (result) { 670 if (result) {
640 ACPI_DEBUG_PRINT((ACPI_DB_ERROR, 671 ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
641 "acpi_sbs_smbus_read_word() failed\n")); 672 "acpi_sbs_read_word() failed\n"));
642 goto end; 673 goto end;
643 } 674 }
644 675
@@ -650,15 +681,14 @@ static int acpi_battery_get_state(struct acpi_battery *battery)
650 681
651static int acpi_battery_get_alarm(struct acpi_battery *battery) 682static int acpi_battery_get_alarm(struct acpi_battery *battery)
652{ 683{
653 struct acpi_ec_smbus *smbus = battery->sbs->smbus; 684 struct acpi_sbs *sbs = battery->sbs;
654 int result = 0; 685 int result = 0;
655 686
656 result = acpi_sbs_smbus_read_word(smbus, ACPI_SB_SMBUS_ADDR, 0x01, 687 result = acpi_sbs_read_word(sbs, ACPI_SB_SMBUS_ADDR, 0x01,
657 &battery->alarm.remaining_capacity, 688 &battery->alarm.remaining_capacity);
658 &acpi_battery_smbus_err_handler);
659 if (result) { 689 if (result) {
660 ACPI_DEBUG_PRINT((ACPI_DB_ERROR, 690 ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
661 "acpi_sbs_smbus_read_word() failed\n")); 691 "acpi_sbs_read_word() failed\n"));
662 goto end; 692 goto end;
663 } 693 }
664 694
@@ -672,7 +702,7 @@ static int acpi_battery_get_alarm(struct acpi_battery *battery)
672static int acpi_battery_set_alarm(struct acpi_battery *battery, 702static int acpi_battery_set_alarm(struct acpi_battery *battery,
673 unsigned long alarm) 703 unsigned long alarm)
674{ 704{
675 struct acpi_ec_smbus *smbus = battery->sbs->smbus; 705 struct acpi_sbs *sbs = battery->sbs;
676 int result = 0; 706 int result = 0;
677 s16 battery_mode; 707 s16 battery_mode;
678 int foo; 708 int foo;
@@ -688,33 +718,29 @@ static int acpi_battery_set_alarm(struct acpi_battery *battery,
688 718
689 if (alarm > 0) { 719 if (alarm > 0) {
690 result = 720 result =
691 acpi_sbs_smbus_read_word(smbus, ACPI_SB_SMBUS_ADDR, 0x03, 721 acpi_sbs_read_word(sbs, ACPI_SB_SMBUS_ADDR, 0x03,
692 &battery_mode, 722 &battery_mode);
693 &acpi_battery_smbus_err_handler);
694 if (result) { 723 if (result) {
695 ACPI_DEBUG_PRINT((ACPI_DB_ERROR, 724 ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
696 "acpi_sbs_smbus_read_word() failed\n")); 725 "acpi_sbs_read_word() failed\n"));
697 goto end; 726 goto end;
698 } 727 }
699 728
700 result = 729 result =
701 acpi_sbs_smbus_write_word(smbus, ACPI_SB_SMBUS_ADDR, 0x01, 730 acpi_sbs_write_word(sbs, ACPI_SB_SMBUS_ADDR, 0x01,
702 battery_mode & 0xbfff, 731 battery_mode & 0xbfff);
703 &acpi_battery_smbus_err_handler);
704 if (result) { 732 if (result) {
705 ACPI_DEBUG_PRINT((ACPI_DB_ERROR, 733 ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
706 "acpi_sbs_smbus_write_word() failed\n")); 734 "acpi_sbs_write_word() failed\n"));
707 goto end; 735 goto end;
708 } 736 }
709 } 737 }
710 738
711 foo = alarm / (battery->info.capacity_mode ? 10 : 1); 739 foo = alarm / (battery->info.capacity_mode ? 10 : 1);
712 result = acpi_sbs_smbus_write_word(smbus, ACPI_SB_SMBUS_ADDR, 0x01, 740 result = acpi_sbs_write_word(sbs, ACPI_SB_SMBUS_ADDR, 0x01, foo);
713 foo,
714 &acpi_battery_smbus_err_handler);
715 if (result) { 741 if (result) {
716 ACPI_DEBUG_PRINT((ACPI_DB_ERROR, 742 ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
717 "acpi_sbs_smbus_write_word() failed\n")); 743 "acpi_sbs_write_word() failed\n"));
718 goto end; 744 goto end;
719 } 745 }
720 746
@@ -732,12 +758,11 @@ static int acpi_battery_set_mode(struct acpi_battery *battery)
732 goto end; 758 goto end;
733 } 759 }
734 760
735 result = acpi_sbs_smbus_read_word(battery->sbs->smbus, 761 result = acpi_sbs_read_word(battery->sbs,
736 ACPI_SB_SMBUS_ADDR, 0x03, 762 ACPI_SB_SMBUS_ADDR, 0x03, &battery_mode);
737 &battery_mode, NULL);
738 if (result) { 763 if (result) {
739 ACPI_DEBUG_PRINT((ACPI_DB_ERROR, 764 ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
740 "acpi_sbs_smbus_read_word() failed\n")); 765 "acpi_sbs_read_word() failed\n"));
741 goto end; 766 goto end;
742 } 767 }
743 768
@@ -746,21 +771,19 @@ static int acpi_battery_set_mode(struct acpi_battery *battery)
746 } else { 771 } else {
747 battery_mode |= 0x8000; 772 battery_mode |= 0x8000;
748 } 773 }
749 result = acpi_sbs_smbus_write_word(battery->sbs->smbus, 774 result = acpi_sbs_write_word(battery->sbs,
750 ACPI_SB_SMBUS_ADDR, 0x03, 775 ACPI_SB_SMBUS_ADDR, 0x03, battery_mode);
751 battery_mode, NULL);
752 if (result) { 776 if (result) {
753 ACPI_DEBUG_PRINT((ACPI_DB_ERROR, 777 ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
754 "acpi_sbs_smbus_write_word() failed\n")); 778 "acpi_sbs_write_word() failed\n"));
755 goto end; 779 goto end;
756 } 780 }
757 781
758 result = acpi_sbs_smbus_read_word(battery->sbs->smbus, 782 result = acpi_sbs_read_word(battery->sbs,
759 ACPI_SB_SMBUS_ADDR, 0x03, 783 ACPI_SB_SMBUS_ADDR, 0x03, &battery_mode);
760 &battery_mode, NULL);
761 if (result) { 784 if (result) {
762 ACPI_DEBUG_PRINT((ACPI_DB_ERROR, 785 ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
763 "acpi_sbs_smbus_read_word() failed\n")); 786 "acpi_sbs_read_word() failed\n"));
764 goto end; 787 goto end;
765 } 788 }
766 789
@@ -813,16 +836,15 @@ static int acpi_battery_init(struct acpi_battery *battery)
813 836
814static int acpi_ac_get_present(struct acpi_sbs *sbs) 837static int acpi_ac_get_present(struct acpi_sbs *sbs)
815{ 838{
816 struct acpi_ec_smbus *smbus = sbs->smbus;
817 int result = 0; 839 int result = 0;
818 s16 charger_status; 840 s16 charger_status;
819 841
820 result = acpi_sbs_smbus_read_word(smbus, ACPI_SBC_SMBUS_ADDR, 0x13, 842 result = acpi_sbs_read_word(sbs, ACPI_SBC_SMBUS_ADDR, 0x13,
821 &charger_status, NULL); 843 &charger_status);
822 844
823 if (result) { 845 if (result) {
824 ACPI_DEBUG_PRINT((ACPI_DB_ERROR, 846 ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
825 "acpi_sbs_smbus_read_word() failed\n")); 847 "acpi_sbs_read_word() failed\n"));
826 goto end; 848 goto end;
827 } 849 }
828 850
@@ -1567,38 +1589,27 @@ static void acpi_sbs_update_queue(void *data)
1567static int acpi_sbs_add(struct acpi_device *device) 1589static int acpi_sbs_add(struct acpi_device *device)
1568{ 1590{
1569 struct acpi_sbs *sbs = NULL; 1591 struct acpi_sbs *sbs = NULL;
1570 struct acpi_ec_hc *ec_hc = NULL; 1592 int result;
1571 int result, remove_result = 0;
1572 unsigned long sbs_obj; 1593 unsigned long sbs_obj;
1573 int id, cnt; 1594 int id;
1574 acpi_status status = AE_OK; 1595 acpi_status status = AE_OK;
1596 unsigned long val;
1597
1598 status =
1599 acpi_evaluate_integer(device->parent->handle, "_EC", NULL, &val);
1600 if (ACPI_FAILURE(status)) {
1601 ACPI_DEBUG_PRINT((ACPI_DB_WARN, "Error obtaining _EC\n"));
1602 return -EIO;
1603 }
1575 1604
1576 sbs = kzalloc(sizeof(struct acpi_sbs), GFP_KERNEL); 1605 sbs = kzalloc(sizeof(struct acpi_sbs), GFP_KERNEL);
1577 if (!sbs) { 1606 if (!sbs) {
1578 ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "kmalloc() failed\n")); 1607 ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "kmalloc() failed\n"));
1579 return -ENOMEM; 1608 return -ENOMEM;
1580 } 1609 }
1581 1610 sbs->base = (val & 0xff00ull) >> 8;
1582 cnt = 0;
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
1592 if (!ec_hc) {
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 1611
1600 sbs->device = device; 1612 sbs->device = device;
1601 sbs->smbus = ec_hc->smbus;
1602 1613
1603 strcpy(acpi_device_name(device), ACPI_SBS_DEVICE_NAME); 1614 strcpy(acpi_device_name(device), ACPI_SBS_DEVICE_NAME);
1604 strcpy(acpi_device_class(device), ACPI_SBS_CLASS); 1615 strcpy(acpi_device_class(device), ACPI_SBS_CLASS);
@@ -1669,11 +1680,7 @@ static int acpi_sbs_add(struct acpi_device *device)
1669 1680
1670 end: 1681 end:
1671 if (result) { 1682 if (result) {
1672 remove_result = acpi_sbs_remove(device, 0); 1683 acpi_sbs_remove(device, 0);
1673 if (remove_result) {
1674 ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
1675 "acpi_sbs_remove() failed\n"));
1676 }
1677 } 1684 }
1678 1685
1679 return result; 1686 return result;
@@ -1707,6 +1714,8 @@ int acpi_sbs_remove(struct acpi_device *device, int type)
1707 1714
1708 acpi_ac_remove(sbs); 1715 acpi_ac_remove(sbs);
1709 1716
1717 acpi_driver_data(device) = NULL;
1718
1710 kfree(sbs); 1719 kfree(sbs);
1711 1720
1712 return 0; 1721 return 0;
generated by cgit v1.2.2 (git 2.25.0) at 2024-11-07 08:27:15 -0500