Commit | Line | Data |
---|---|---|
1da177e4 LT |
1 | /* |
2 | w83781d.c - Part of lm_sensors, Linux kernel modules for hardware | |
3 | monitoring | |
4 | Copyright (c) 1998 - 2001 Frodo Looijaard <frodol@dds.nl>, | |
5 | Philip Edelbrock <phil@netroedge.com>, | |
6 | and Mark Studebaker <mdsxyz123@yahoo.com> | |
7 | ||
8 | This program is free software; you can redistribute it and/or modify | |
9 | it under the terms of the GNU General Public License as published by | |
10 | the Free Software Foundation; either version 2 of the License, or | |
11 | (at your option) any later version. | |
12 | ||
13 | This program is distributed in the hope that it will be useful, | |
14 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | GNU General Public License for more details. | |
17 | ||
18 | You should have received a copy of the GNU General Public License | |
19 | along with this program; if not, write to the Free Software | |
20 | Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. | |
21 | */ | |
22 | ||
23 | /* | |
24 | Supports following chips: | |
25 | ||
26 | Chip #vin #fanin #pwm #temp wchipid vendid i2c ISA | |
27 | as99127f 7 3 0 3 0x31 0x12c3 yes no | |
28 | as99127f rev.2 (type_name = as99127f) 0x31 0x5ca3 yes no | |
29 | w83781d 7 3 0 3 0x10-1 0x5ca3 yes yes | |
30 | w83627hf 9 3 2 3 0x21 0x5ca3 yes yes(LPC) | |
1da177e4 LT |
31 | w83782d 9 3 2-4 3 0x30 0x5ca3 yes yes |
32 | w83783s 5-6 3 2 1-2 0x40 0x5ca3 yes no | |
1da177e4 LT |
33 | |
34 | */ | |
35 | ||
1da177e4 LT |
36 | #include <linux/module.h> |
37 | #include <linux/init.h> | |
38 | #include <linux/slab.h> | |
39 | #include <linux/jiffies.h> | |
40 | #include <linux/i2c.h> | |
41 | #include <linux/i2c-sensor.h> | |
42 | #include <linux/i2c-vid.h> | |
43 | #include <asm/io.h> | |
44 | #include "lm75.h" | |
45 | ||
46 | /* Addresses to scan */ | |
47 | static unsigned short normal_i2c[] = { 0x20, 0x21, 0x22, 0x23, 0x24, 0x25, | |
48 | 0x26, 0x27, 0x28, 0x29, 0x2a, 0x2b, | |
49 | 0x2c, 0x2d, 0x2e, 0x2f, I2C_CLIENT_END }; | |
50 | static unsigned int normal_isa[] = { 0x0290, I2C_CLIENT_ISA_END }; | |
51 | ||
52 | /* Insmod parameters */ | |
7c7a5304 | 53 | SENSORS_INSMOD_5(w83781d, w83782d, w83783s, w83627hf, as99127f); |
1da177e4 LT |
54 | I2C_CLIENT_MODULE_PARM(force_subclients, "List of subclient addresses: " |
55 | "{bus, clientaddr, subclientaddr1, subclientaddr2}"); | |
56 | ||
57 | static int init = 1; | |
58 | module_param(init, bool, 0); | |
59 | MODULE_PARM_DESC(init, "Set to zero to bypass chip initialization"); | |
60 | ||
61 | /* Constants specified below */ | |
62 | ||
63 | /* Length of ISA address segment */ | |
64 | #define W83781D_EXTENT 8 | |
65 | ||
66 | /* Where are the ISA address/data registers relative to the base address */ | |
67 | #define W83781D_ADDR_REG_OFFSET 5 | |
68 | #define W83781D_DATA_REG_OFFSET 6 | |
69 | ||
70 | /* The W83781D registers */ | |
71 | /* The W83782D registers for nr=7,8 are in bank 5 */ | |
72 | #define W83781D_REG_IN_MAX(nr) ((nr < 7) ? (0x2b + (nr) * 2) : \ | |
73 | (0x554 + (((nr) - 7) * 2))) | |
74 | #define W83781D_REG_IN_MIN(nr) ((nr < 7) ? (0x2c + (nr) * 2) : \ | |
75 | (0x555 + (((nr) - 7) * 2))) | |
76 | #define W83781D_REG_IN(nr) ((nr < 7) ? (0x20 + (nr)) : \ | |
77 | (0x550 + (nr) - 7)) | |
78 | ||
79 | #define W83781D_REG_FAN_MIN(nr) (0x3a + (nr)) | |
80 | #define W83781D_REG_FAN(nr) (0x27 + (nr)) | |
81 | ||
82 | #define W83781D_REG_BANK 0x4E | |
83 | #define W83781D_REG_TEMP2_CONFIG 0x152 | |
84 | #define W83781D_REG_TEMP3_CONFIG 0x252 | |
85 | #define W83781D_REG_TEMP(nr) ((nr == 3) ? (0x0250) : \ | |
86 | ((nr == 2) ? (0x0150) : \ | |
87 | (0x27))) | |
88 | #define W83781D_REG_TEMP_HYST(nr) ((nr == 3) ? (0x253) : \ | |
89 | ((nr == 2) ? (0x153) : \ | |
90 | (0x3A))) | |
91 | #define W83781D_REG_TEMP_OVER(nr) ((nr == 3) ? (0x255) : \ | |
92 | ((nr == 2) ? (0x155) : \ | |
93 | (0x39))) | |
94 | ||
95 | #define W83781D_REG_CONFIG 0x40 | |
96 | #define W83781D_REG_ALARM1 0x41 | |
97 | #define W83781D_REG_ALARM2 0x42 | |
98 | #define W83781D_REG_ALARM3 0x450 /* not on W83781D */ | |
99 | ||
100 | #define W83781D_REG_IRQ 0x4C | |
101 | #define W83781D_REG_BEEP_CONFIG 0x4D | |
102 | #define W83781D_REG_BEEP_INTS1 0x56 | |
103 | #define W83781D_REG_BEEP_INTS2 0x57 | |
104 | #define W83781D_REG_BEEP_INTS3 0x453 /* not on W83781D */ | |
105 | ||
106 | #define W83781D_REG_VID_FANDIV 0x47 | |
107 | ||
108 | #define W83781D_REG_CHIPID 0x49 | |
109 | #define W83781D_REG_WCHIPID 0x58 | |
110 | #define W83781D_REG_CHIPMAN 0x4F | |
111 | #define W83781D_REG_PIN 0x4B | |
112 | ||
113 | /* 782D/783S only */ | |
114 | #define W83781D_REG_VBAT 0x5D | |
115 | ||
116 | /* PWM 782D (1-4) and 783S (1-2) only */ | |
117 | #define W83781D_REG_PWM1 0x5B /* 782d and 783s/627hf datasheets disagree */ | |
118 | /* on which is which; */ | |
119 | #define W83781D_REG_PWM2 0x5A /* We follow the 782d convention here, */ | |
120 | /* However 782d is probably wrong. */ | |
121 | #define W83781D_REG_PWM3 0x5E | |
122 | #define W83781D_REG_PWM4 0x5F | |
123 | #define W83781D_REG_PWMCLK12 0x5C | |
124 | #define W83781D_REG_PWMCLK34 0x45C | |
125 | static const u8 regpwm[] = { W83781D_REG_PWM1, W83781D_REG_PWM2, | |
126 | W83781D_REG_PWM3, W83781D_REG_PWM4 | |
127 | }; | |
128 | ||
129 | #define W83781D_REG_PWM(nr) (regpwm[(nr) - 1]) | |
130 | ||
131 | #define W83781D_REG_I2C_ADDR 0x48 | |
132 | #define W83781D_REG_I2C_SUBADDR 0x4A | |
133 | ||
134 | /* The following are undocumented in the data sheets however we | |
135 | received the information in an email from Winbond tech support */ | |
136 | /* Sensor selection - not on 781d */ | |
137 | #define W83781D_REG_SCFG1 0x5D | |
138 | static const u8 BIT_SCFG1[] = { 0x02, 0x04, 0x08 }; | |
139 | ||
140 | #define W83781D_REG_SCFG2 0x59 | |
141 | static const u8 BIT_SCFG2[] = { 0x10, 0x20, 0x40 }; | |
142 | ||
143 | #define W83781D_DEFAULT_BETA 3435 | |
144 | ||
145 | /* RT Table registers */ | |
146 | #define W83781D_REG_RT_IDX 0x50 | |
147 | #define W83781D_REG_RT_VAL 0x51 | |
148 | ||
149 | /* Conversions. Rounding and limit checking is only done on the TO_REG | |
150 | variants. Note that you should be a bit careful with which arguments | |
151 | these macros are called: arguments may be evaluated more than once. | |
152 | Fixing this is just not worth it. */ | |
153 | #define IN_TO_REG(val) (SENSORS_LIMIT((((val) * 10 + 8)/16),0,255)) | |
154 | #define IN_FROM_REG(val) (((val) * 16) / 10) | |
155 | ||
156 | static inline u8 | |
157 | FAN_TO_REG(long rpm, int div) | |
158 | { | |
159 | if (rpm == 0) | |
160 | return 255; | |
161 | rpm = SENSORS_LIMIT(rpm, 1, 1000000); | |
162 | return SENSORS_LIMIT((1350000 + rpm * div / 2) / (rpm * div), 1, 254); | |
163 | } | |
164 | ||
165 | #define FAN_FROM_REG(val,div) ((val) == 0 ? -1 : \ | |
166 | ((val) == 255 ? 0 : \ | |
167 | 1350000 / ((val) * (div)))) | |
168 | ||
169 | #define TEMP_TO_REG(val) (SENSORS_LIMIT(((val) < 0 ? (val)+0x100*1000 \ | |
170 | : (val)) / 1000, 0, 0xff)) | |
171 | #define TEMP_FROM_REG(val) (((val) & 0x80 ? (val)-0x100 : (val)) * 1000) | |
172 | ||
1da177e4 LT |
173 | #define PWM_FROM_REG(val) (val) |
174 | #define PWM_TO_REG(val) (SENSORS_LIMIT((val),0,255)) | |
175 | #define BEEP_MASK_FROM_REG(val,type) ((type) == as99127f ? \ | |
176 | (val) ^ 0x7fff : (val)) | |
177 | #define BEEP_MASK_TO_REG(val,type) ((type) == as99127f ? \ | |
178 | (~(val)) & 0x7fff : (val) & 0xffffff) | |
179 | ||
180 | #define BEEP_ENABLE_TO_REG(val) ((val) ? 1 : 0) | |
181 | #define BEEP_ENABLE_FROM_REG(val) ((val) ? 1 : 0) | |
182 | ||
183 | #define DIV_FROM_REG(val) (1 << (val)) | |
184 | ||
185 | static inline u8 | |
186 | DIV_TO_REG(long val, enum chips type) | |
187 | { | |
188 | int i; | |
189 | val = SENSORS_LIMIT(val, 1, | |
190 | ((type == w83781d | |
191 | || type == as99127f) ? 8 : 128)) >> 1; | |
abc01922 | 192 | for (i = 0; i < 7; i++) { |
1da177e4 LT |
193 | if (val == 0) |
194 | break; | |
195 | val >>= 1; | |
196 | } | |
197 | return ((u8) i); | |
198 | } | |
199 | ||
200 | /* There are some complications in a module like this. First off, W83781D chips | |
201 | may be both present on the SMBus and the ISA bus, and we have to handle | |
202 | those cases separately at some places. Second, there might be several | |
203 | W83781D chips available (well, actually, that is probably never done; but | |
204 | it is a clean illustration of how to handle a case like that). Finally, | |
205 | a specific chip may be attached to *both* ISA and SMBus, and we would | |
206 | not like to detect it double. Fortunately, in the case of the W83781D at | |
207 | least, a register tells us what SMBus address we are on, so that helps | |
208 | a bit - except if there could be more than one SMBus. Groan. No solution | |
209 | for this yet. */ | |
210 | ||
211 | /* This module may seem overly long and complicated. In fact, it is not so | |
212 | bad. Quite a lot of bookkeeping is done. A real driver can often cut | |
213 | some corners. */ | |
214 | ||
215 | /* For each registered W83781D, we need to keep some data in memory. That | |
216 | data is pointed to by w83781d_list[NR]->data. The structure itself is | |
217 | dynamically allocated, at the same time when a new w83781d client is | |
218 | allocated. */ | |
219 | struct w83781d_data { | |
220 | struct i2c_client client; | |
221 | struct semaphore lock; | |
222 | enum chips type; | |
223 | ||
224 | struct semaphore update_lock; | |
225 | char valid; /* !=0 if following fields are valid */ | |
226 | unsigned long last_updated; /* In jiffies */ | |
227 | ||
228 | struct i2c_client *lm75[2]; /* for secondary I2C addresses */ | |
229 | /* array of 2 pointers to subclients */ | |
230 | ||
231 | u8 in[9]; /* Register value - 8 & 9 for 782D only */ | |
232 | u8 in_max[9]; /* Register value - 8 & 9 for 782D only */ | |
233 | u8 in_min[9]; /* Register value - 8 & 9 for 782D only */ | |
234 | u8 fan[3]; /* Register value */ | |
235 | u8 fan_min[3]; /* Register value */ | |
236 | u8 temp; | |
237 | u8 temp_max; /* Register value */ | |
238 | u8 temp_max_hyst; /* Register value */ | |
239 | u16 temp_add[2]; /* Register value */ | |
240 | u16 temp_max_add[2]; /* Register value */ | |
241 | u16 temp_max_hyst_add[2]; /* Register value */ | |
242 | u8 fan_div[3]; /* Register encoding, shifted right */ | |
243 | u8 vid; /* Register encoding, combined */ | |
244 | u32 alarms; /* Register encoding, combined */ | |
245 | u32 beep_mask; /* Register encoding, combined */ | |
246 | u8 beep_enable; /* Boolean */ | |
247 | u8 pwm[4]; /* Register value */ | |
248 | u8 pwmenable[4]; /* Boolean */ | |
249 | u16 sens[3]; /* 782D/783S only. | |
250 | 1 = pentium diode; 2 = 3904 diode; | |
251 | 3000-5000 = thermistor beta. | |
252 | Default = 3435. | |
253 | Other Betas unimplemented */ | |
254 | u8 vrm; | |
255 | }; | |
256 | ||
257 | static int w83781d_attach_adapter(struct i2c_adapter *adapter); | |
258 | static int w83781d_detect(struct i2c_adapter *adapter, int address, int kind); | |
259 | static int w83781d_detach_client(struct i2c_client *client); | |
260 | ||
261 | static int w83781d_read_value(struct i2c_client *client, u16 register); | |
262 | static int w83781d_write_value(struct i2c_client *client, u16 register, | |
263 | u16 value); | |
264 | static struct w83781d_data *w83781d_update_device(struct device *dev); | |
265 | static void w83781d_init_client(struct i2c_client *client); | |
266 | ||
267 | static struct i2c_driver w83781d_driver = { | |
268 | .owner = THIS_MODULE, | |
269 | .name = "w83781d", | |
270 | .id = I2C_DRIVERID_W83781D, | |
271 | .flags = I2C_DF_NOTIFY, | |
272 | .attach_adapter = w83781d_attach_adapter, | |
273 | .detach_client = w83781d_detach_client, | |
274 | }; | |
275 | ||
276 | /* following are the sysfs callback functions */ | |
277 | #define show_in_reg(reg) \ | |
278 | static ssize_t show_##reg (struct device *dev, char *buf, int nr) \ | |
279 | { \ | |
280 | struct w83781d_data *data = w83781d_update_device(dev); \ | |
281 | return sprintf(buf,"%ld\n", (long)IN_FROM_REG(data->reg[nr] * 10)); \ | |
282 | } | |
283 | show_in_reg(in); | |
284 | show_in_reg(in_min); | |
285 | show_in_reg(in_max); | |
286 | ||
287 | #define store_in_reg(REG, reg) \ | |
288 | static ssize_t store_in_##reg (struct device *dev, const char *buf, size_t count, int nr) \ | |
289 | { \ | |
290 | struct i2c_client *client = to_i2c_client(dev); \ | |
291 | struct w83781d_data *data = i2c_get_clientdata(client); \ | |
292 | u32 val; \ | |
293 | \ | |
294 | val = simple_strtoul(buf, NULL, 10) / 10; \ | |
295 | \ | |
296 | down(&data->update_lock); \ | |
297 | data->in_##reg[nr] = IN_TO_REG(val); \ | |
298 | w83781d_write_value(client, W83781D_REG_IN_##REG(nr), data->in_##reg[nr]); \ | |
299 | \ | |
300 | up(&data->update_lock); \ | |
301 | return count; \ | |
302 | } | |
303 | store_in_reg(MIN, min); | |
304 | store_in_reg(MAX, max); | |
305 | ||
306 | #define sysfs_in_offset(offset) \ | |
307 | static ssize_t \ | |
e404e274 | 308 | show_regs_in_##offset (struct device *dev, struct device_attribute *attr, char *buf) \ |
1da177e4 LT |
309 | { \ |
310 | return show_in(dev, buf, offset); \ | |
311 | } \ | |
312 | static DEVICE_ATTR(in##offset##_input, S_IRUGO, show_regs_in_##offset, NULL); | |
313 | ||
314 | #define sysfs_in_reg_offset(reg, offset) \ | |
e404e274 | 315 | static ssize_t show_regs_in_##reg##offset (struct device *dev, struct device_attribute *attr, char *buf) \ |
1da177e4 LT |
316 | { \ |
317 | return show_in_##reg (dev, buf, offset); \ | |
318 | } \ | |
e404e274 | 319 | static ssize_t store_regs_in_##reg##offset (struct device *dev, struct device_attribute *attr, const char *buf, size_t count) \ |
1da177e4 LT |
320 | { \ |
321 | return store_in_##reg (dev, buf, count, offset); \ | |
322 | } \ | |
323 | static DEVICE_ATTR(in##offset##_##reg, S_IRUGO| S_IWUSR, show_regs_in_##reg##offset, store_regs_in_##reg##offset); | |
324 | ||
325 | #define sysfs_in_offsets(offset) \ | |
326 | sysfs_in_offset(offset); \ | |
327 | sysfs_in_reg_offset(min, offset); \ | |
328 | sysfs_in_reg_offset(max, offset); | |
329 | ||
330 | sysfs_in_offsets(0); | |
331 | sysfs_in_offsets(1); | |
332 | sysfs_in_offsets(2); | |
333 | sysfs_in_offsets(3); | |
334 | sysfs_in_offsets(4); | |
335 | sysfs_in_offsets(5); | |
336 | sysfs_in_offsets(6); | |
337 | sysfs_in_offsets(7); | |
338 | sysfs_in_offsets(8); | |
339 | ||
340 | #define device_create_file_in(client, offset) \ | |
341 | do { \ | |
342 | device_create_file(&client->dev, &dev_attr_in##offset##_input); \ | |
343 | device_create_file(&client->dev, &dev_attr_in##offset##_min); \ | |
344 | device_create_file(&client->dev, &dev_attr_in##offset##_max); \ | |
345 | } while (0) | |
346 | ||
347 | #define show_fan_reg(reg) \ | |
348 | static ssize_t show_##reg (struct device *dev, char *buf, int nr) \ | |
349 | { \ | |
350 | struct w83781d_data *data = w83781d_update_device(dev); \ | |
351 | return sprintf(buf,"%ld\n", \ | |
352 | FAN_FROM_REG(data->reg[nr-1], (long)DIV_FROM_REG(data->fan_div[nr-1]))); \ | |
353 | } | |
354 | show_fan_reg(fan); | |
355 | show_fan_reg(fan_min); | |
356 | ||
357 | static ssize_t | |
358 | store_fan_min(struct device *dev, const char *buf, size_t count, int nr) | |
359 | { | |
360 | struct i2c_client *client = to_i2c_client(dev); | |
361 | struct w83781d_data *data = i2c_get_clientdata(client); | |
362 | u32 val; | |
363 | ||
364 | val = simple_strtoul(buf, NULL, 10); | |
365 | ||
366 | down(&data->update_lock); | |
367 | data->fan_min[nr - 1] = | |
368 | FAN_TO_REG(val, DIV_FROM_REG(data->fan_div[nr - 1])); | |
369 | w83781d_write_value(client, W83781D_REG_FAN_MIN(nr), | |
370 | data->fan_min[nr - 1]); | |
371 | ||
372 | up(&data->update_lock); | |
373 | return count; | |
374 | } | |
375 | ||
376 | #define sysfs_fan_offset(offset) \ | |
e404e274 | 377 | static ssize_t show_regs_fan_##offset (struct device *dev, struct device_attribute *attr, char *buf) \ |
1da177e4 LT |
378 | { \ |
379 | return show_fan(dev, buf, offset); \ | |
380 | } \ | |
381 | static DEVICE_ATTR(fan##offset##_input, S_IRUGO, show_regs_fan_##offset, NULL); | |
382 | ||
383 | #define sysfs_fan_min_offset(offset) \ | |
e404e274 | 384 | static ssize_t show_regs_fan_min##offset (struct device *dev, struct device_attribute *attr, char *buf) \ |
1da177e4 LT |
385 | { \ |
386 | return show_fan_min(dev, buf, offset); \ | |
387 | } \ | |
e404e274 | 388 | static ssize_t store_regs_fan_min##offset (struct device *dev, struct device_attribute *attr, const char *buf, size_t count) \ |
1da177e4 LT |
389 | { \ |
390 | return store_fan_min(dev, buf, count, offset); \ | |
391 | } \ | |
392 | static DEVICE_ATTR(fan##offset##_min, S_IRUGO | S_IWUSR, show_regs_fan_min##offset, store_regs_fan_min##offset); | |
393 | ||
394 | sysfs_fan_offset(1); | |
395 | sysfs_fan_min_offset(1); | |
396 | sysfs_fan_offset(2); | |
397 | sysfs_fan_min_offset(2); | |
398 | sysfs_fan_offset(3); | |
399 | sysfs_fan_min_offset(3); | |
400 | ||
401 | #define device_create_file_fan(client, offset) \ | |
402 | do { \ | |
403 | device_create_file(&client->dev, &dev_attr_fan##offset##_input); \ | |
404 | device_create_file(&client->dev, &dev_attr_fan##offset##_min); \ | |
405 | } while (0) | |
406 | ||
407 | #define show_temp_reg(reg) \ | |
408 | static ssize_t show_##reg (struct device *dev, char *buf, int nr) \ | |
409 | { \ | |
410 | struct w83781d_data *data = w83781d_update_device(dev); \ | |
411 | if (nr >= 2) { /* TEMP2 and TEMP3 */ \ | |
412 | return sprintf(buf,"%d\n", \ | |
413 | LM75_TEMP_FROM_REG(data->reg##_add[nr-2])); \ | |
414 | } else { /* TEMP1 */ \ | |
415 | return sprintf(buf,"%ld\n", (long)TEMP_FROM_REG(data->reg)); \ | |
416 | } \ | |
417 | } | |
418 | show_temp_reg(temp); | |
419 | show_temp_reg(temp_max); | |
420 | show_temp_reg(temp_max_hyst); | |
421 | ||
422 | #define store_temp_reg(REG, reg) \ | |
423 | static ssize_t store_temp_##reg (struct device *dev, const char *buf, size_t count, int nr) \ | |
424 | { \ | |
425 | struct i2c_client *client = to_i2c_client(dev); \ | |
426 | struct w83781d_data *data = i2c_get_clientdata(client); \ | |
427 | s32 val; \ | |
428 | \ | |
429 | val = simple_strtol(buf, NULL, 10); \ | |
430 | \ | |
431 | down(&data->update_lock); \ | |
432 | \ | |
433 | if (nr >= 2) { /* TEMP2 and TEMP3 */ \ | |
434 | data->temp_##reg##_add[nr-2] = LM75_TEMP_TO_REG(val); \ | |
435 | w83781d_write_value(client, W83781D_REG_TEMP_##REG(nr), \ | |
436 | data->temp_##reg##_add[nr-2]); \ | |
437 | } else { /* TEMP1 */ \ | |
438 | data->temp_##reg = TEMP_TO_REG(val); \ | |
439 | w83781d_write_value(client, W83781D_REG_TEMP_##REG(nr), \ | |
440 | data->temp_##reg); \ | |
441 | } \ | |
442 | \ | |
443 | up(&data->update_lock); \ | |
444 | return count; \ | |
445 | } | |
446 | store_temp_reg(OVER, max); | |
447 | store_temp_reg(HYST, max_hyst); | |
448 | ||
449 | #define sysfs_temp_offset(offset) \ | |
450 | static ssize_t \ | |
e404e274 | 451 | show_regs_temp_##offset (struct device *dev, struct device_attribute *attr, char *buf) \ |
1da177e4 LT |
452 | { \ |
453 | return show_temp(dev, buf, offset); \ | |
454 | } \ | |
455 | static DEVICE_ATTR(temp##offset##_input, S_IRUGO, show_regs_temp_##offset, NULL); | |
456 | ||
457 | #define sysfs_temp_reg_offset(reg, offset) \ | |
e404e274 | 458 | static ssize_t show_regs_temp_##reg##offset (struct device *dev, struct device_attribute *attr, char *buf) \ |
1da177e4 LT |
459 | { \ |
460 | return show_temp_##reg (dev, buf, offset); \ | |
461 | } \ | |
e404e274 | 462 | static ssize_t store_regs_temp_##reg##offset (struct device *dev, struct device_attribute *attr, const char *buf, size_t count) \ |
1da177e4 LT |
463 | { \ |
464 | return store_temp_##reg (dev, buf, count, offset); \ | |
465 | } \ | |
466 | static DEVICE_ATTR(temp##offset##_##reg, S_IRUGO| S_IWUSR, show_regs_temp_##reg##offset, store_regs_temp_##reg##offset); | |
467 | ||
468 | #define sysfs_temp_offsets(offset) \ | |
469 | sysfs_temp_offset(offset); \ | |
470 | sysfs_temp_reg_offset(max, offset); \ | |
471 | sysfs_temp_reg_offset(max_hyst, offset); | |
472 | ||
473 | sysfs_temp_offsets(1); | |
474 | sysfs_temp_offsets(2); | |
475 | sysfs_temp_offsets(3); | |
476 | ||
477 | #define device_create_file_temp(client, offset) \ | |
478 | do { \ | |
479 | device_create_file(&client->dev, &dev_attr_temp##offset##_input); \ | |
480 | device_create_file(&client->dev, &dev_attr_temp##offset##_max); \ | |
481 | device_create_file(&client->dev, &dev_attr_temp##offset##_max_hyst); \ | |
482 | } while (0) | |
483 | ||
484 | static ssize_t | |
e404e274 | 485 | show_vid_reg(struct device *dev, struct device_attribute *attr, char *buf) |
1da177e4 LT |
486 | { |
487 | struct w83781d_data *data = w83781d_update_device(dev); | |
488 | return sprintf(buf, "%ld\n", (long) vid_from_reg(data->vid, data->vrm)); | |
489 | } | |
490 | ||
491 | static | |
492 | DEVICE_ATTR(cpu0_vid, S_IRUGO, show_vid_reg, NULL); | |
493 | #define device_create_file_vid(client) \ | |
494 | device_create_file(&client->dev, &dev_attr_cpu0_vid); | |
495 | static ssize_t | |
e404e274 | 496 | show_vrm_reg(struct device *dev, struct device_attribute *attr, char *buf) |
1da177e4 LT |
497 | { |
498 | struct w83781d_data *data = w83781d_update_device(dev); | |
499 | return sprintf(buf, "%ld\n", (long) data->vrm); | |
500 | } | |
501 | ||
502 | static ssize_t | |
e404e274 | 503 | store_vrm_reg(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) |
1da177e4 LT |
504 | { |
505 | struct i2c_client *client = to_i2c_client(dev); | |
506 | struct w83781d_data *data = i2c_get_clientdata(client); | |
507 | u32 val; | |
508 | ||
509 | val = simple_strtoul(buf, NULL, 10); | |
510 | data->vrm = val; | |
511 | ||
512 | return count; | |
513 | } | |
514 | ||
515 | static | |
516 | DEVICE_ATTR(vrm, S_IRUGO | S_IWUSR, show_vrm_reg, store_vrm_reg); | |
517 | #define device_create_file_vrm(client) \ | |
518 | device_create_file(&client->dev, &dev_attr_vrm); | |
519 | static ssize_t | |
e404e274 | 520 | show_alarms_reg(struct device *dev, struct device_attribute *attr, char *buf) |
1da177e4 LT |
521 | { |
522 | struct w83781d_data *data = w83781d_update_device(dev); | |
68188ba7 | 523 | return sprintf(buf, "%u\n", data->alarms); |
1da177e4 LT |
524 | } |
525 | ||
526 | static | |
527 | DEVICE_ATTR(alarms, S_IRUGO, show_alarms_reg, NULL); | |
528 | #define device_create_file_alarms(client) \ | |
529 | device_create_file(&client->dev, &dev_attr_alarms); | |
e404e274 | 530 | static ssize_t show_beep_mask (struct device *dev, struct device_attribute *attr, char *buf) |
1da177e4 LT |
531 | { |
532 | struct w83781d_data *data = w83781d_update_device(dev); | |
533 | return sprintf(buf, "%ld\n", | |
534 | (long)BEEP_MASK_FROM_REG(data->beep_mask, data->type)); | |
535 | } | |
e404e274 | 536 | static ssize_t show_beep_enable (struct device *dev, struct device_attribute *attr, char *buf) |
1da177e4 LT |
537 | { |
538 | struct w83781d_data *data = w83781d_update_device(dev); | |
539 | return sprintf(buf, "%ld\n", | |
540 | (long)BEEP_ENABLE_FROM_REG(data->beep_enable)); | |
541 | } | |
542 | ||
543 | #define BEEP_ENABLE 0 /* Store beep_enable */ | |
544 | #define BEEP_MASK 1 /* Store beep_mask */ | |
545 | ||
546 | static ssize_t | |
547 | store_beep_reg(struct device *dev, const char *buf, size_t count, | |
548 | int update_mask) | |
549 | { | |
550 | struct i2c_client *client = to_i2c_client(dev); | |
551 | struct w83781d_data *data = i2c_get_clientdata(client); | |
552 | u32 val, val2; | |
553 | ||
554 | val = simple_strtoul(buf, NULL, 10); | |
555 | ||
556 | down(&data->update_lock); | |
557 | ||
558 | if (update_mask == BEEP_MASK) { /* We are storing beep_mask */ | |
559 | data->beep_mask = BEEP_MASK_TO_REG(val, data->type); | |
560 | w83781d_write_value(client, W83781D_REG_BEEP_INTS1, | |
561 | data->beep_mask & 0xff); | |
562 | ||
563 | if ((data->type != w83781d) && (data->type != as99127f)) { | |
564 | w83781d_write_value(client, W83781D_REG_BEEP_INTS3, | |
565 | ((data->beep_mask) >> 16) & 0xff); | |
566 | } | |
567 | ||
568 | val2 = (data->beep_mask >> 8) & 0x7f; | |
569 | } else { /* We are storing beep_enable */ | |
570 | val2 = w83781d_read_value(client, W83781D_REG_BEEP_INTS2) & 0x7f; | |
571 | data->beep_enable = BEEP_ENABLE_TO_REG(val); | |
572 | } | |
573 | ||
574 | w83781d_write_value(client, W83781D_REG_BEEP_INTS2, | |
575 | val2 | data->beep_enable << 7); | |
576 | ||
577 | up(&data->update_lock); | |
578 | return count; | |
579 | } | |
580 | ||
581 | #define sysfs_beep(REG, reg) \ | |
e404e274 | 582 | static ssize_t show_regs_beep_##reg (struct device *dev, struct device_attribute *attr, char *buf) \ |
1da177e4 | 583 | { \ |
e404e274 | 584 | return show_beep_##reg(dev, attr, buf); \ |
1da177e4 | 585 | } \ |
e404e274 | 586 | static ssize_t store_regs_beep_##reg (struct device *dev, struct device_attribute *attr, const char *buf, size_t count) \ |
1da177e4 LT |
587 | { \ |
588 | return store_beep_reg(dev, buf, count, BEEP_##REG); \ | |
589 | } \ | |
590 | static DEVICE_ATTR(beep_##reg, S_IRUGO | S_IWUSR, show_regs_beep_##reg, store_regs_beep_##reg); | |
591 | ||
592 | sysfs_beep(ENABLE, enable); | |
593 | sysfs_beep(MASK, mask); | |
594 | ||
595 | #define device_create_file_beep(client) \ | |
596 | do { \ | |
597 | device_create_file(&client->dev, &dev_attr_beep_enable); \ | |
598 | device_create_file(&client->dev, &dev_attr_beep_mask); \ | |
599 | } while (0) | |
600 | ||
601 | static ssize_t | |
602 | show_fan_div_reg(struct device *dev, char *buf, int nr) | |
603 | { | |
604 | struct w83781d_data *data = w83781d_update_device(dev); | |
605 | return sprintf(buf, "%ld\n", | |
606 | (long) DIV_FROM_REG(data->fan_div[nr - 1])); | |
607 | } | |
608 | ||
609 | /* Note: we save and restore the fan minimum here, because its value is | |
610 | determined in part by the fan divisor. This follows the principle of | |
611 | least suprise; the user doesn't expect the fan minimum to change just | |
612 | because the divisor changed. */ | |
613 | static ssize_t | |
614 | store_fan_div_reg(struct device *dev, const char *buf, size_t count, int nr) | |
615 | { | |
616 | struct i2c_client *client = to_i2c_client(dev); | |
617 | struct w83781d_data *data = i2c_get_clientdata(client); | |
618 | unsigned long min; | |
619 | u8 reg; | |
620 | unsigned long val = simple_strtoul(buf, NULL, 10); | |
621 | ||
622 | down(&data->update_lock); | |
623 | ||
624 | /* Save fan_min */ | |
625 | min = FAN_FROM_REG(data->fan_min[nr], | |
626 | DIV_FROM_REG(data->fan_div[nr])); | |
627 | ||
628 | data->fan_div[nr] = DIV_TO_REG(val, data->type); | |
629 | ||
630 | reg = (w83781d_read_value(client, nr==2 ? W83781D_REG_PIN : W83781D_REG_VID_FANDIV) | |
631 | & (nr==0 ? 0xcf : 0x3f)) | |
632 | | ((data->fan_div[nr] & 0x03) << (nr==0 ? 4 : 6)); | |
633 | w83781d_write_value(client, nr==2 ? W83781D_REG_PIN : W83781D_REG_VID_FANDIV, reg); | |
634 | ||
635 | /* w83781d and as99127f don't have extended divisor bits */ | |
636 | if (data->type != w83781d && data->type != as99127f) { | |
637 | reg = (w83781d_read_value(client, W83781D_REG_VBAT) | |
638 | & ~(1 << (5 + nr))) | |
639 | | ((data->fan_div[nr] & 0x04) << (3 + nr)); | |
640 | w83781d_write_value(client, W83781D_REG_VBAT, reg); | |
641 | } | |
642 | ||
643 | /* Restore fan_min */ | |
644 | data->fan_min[nr] = FAN_TO_REG(min, DIV_FROM_REG(data->fan_div[nr])); | |
645 | w83781d_write_value(client, W83781D_REG_FAN_MIN(nr+1), data->fan_min[nr]); | |
646 | ||
647 | up(&data->update_lock); | |
648 | return count; | |
649 | } | |
650 | ||
651 | #define sysfs_fan_div(offset) \ | |
e404e274 | 652 | static ssize_t show_regs_fan_div_##offset (struct device *dev, struct device_attribute *attr, char *buf) \ |
1da177e4 LT |
653 | { \ |
654 | return show_fan_div_reg(dev, buf, offset); \ | |
655 | } \ | |
e404e274 | 656 | static ssize_t store_regs_fan_div_##offset (struct device *dev, struct device_attribute *attr, const char *buf, size_t count) \ |
1da177e4 LT |
657 | { \ |
658 | return store_fan_div_reg(dev, buf, count, offset - 1); \ | |
659 | } \ | |
660 | static DEVICE_ATTR(fan##offset##_div, S_IRUGO | S_IWUSR, show_regs_fan_div_##offset, store_regs_fan_div_##offset); | |
661 | ||
662 | sysfs_fan_div(1); | |
663 | sysfs_fan_div(2); | |
664 | sysfs_fan_div(3); | |
665 | ||
666 | #define device_create_file_fan_div(client, offset) \ | |
667 | do { \ | |
668 | device_create_file(&client->dev, &dev_attr_fan##offset##_div); \ | |
669 | } while (0) | |
670 | ||
671 | static ssize_t | |
672 | show_pwm_reg(struct device *dev, char *buf, int nr) | |
673 | { | |
674 | struct w83781d_data *data = w83781d_update_device(dev); | |
675 | return sprintf(buf, "%ld\n", (long) PWM_FROM_REG(data->pwm[nr - 1])); | |
676 | } | |
677 | ||
678 | static ssize_t | |
679 | show_pwmenable_reg(struct device *dev, char *buf, int nr) | |
680 | { | |
681 | struct w83781d_data *data = w83781d_update_device(dev); | |
682 | return sprintf(buf, "%ld\n", (long) data->pwmenable[nr - 1]); | |
683 | } | |
684 | ||
685 | static ssize_t | |
686 | store_pwm_reg(struct device *dev, const char *buf, size_t count, int nr) | |
687 | { | |
688 | struct i2c_client *client = to_i2c_client(dev); | |
689 | struct w83781d_data *data = i2c_get_clientdata(client); | |
690 | u32 val; | |
691 | ||
692 | val = simple_strtoul(buf, NULL, 10); | |
693 | ||
694 | down(&data->update_lock); | |
695 | data->pwm[nr - 1] = PWM_TO_REG(val); | |
696 | w83781d_write_value(client, W83781D_REG_PWM(nr), data->pwm[nr - 1]); | |
697 | up(&data->update_lock); | |
698 | return count; | |
699 | } | |
700 | ||
701 | static ssize_t | |
702 | store_pwmenable_reg(struct device *dev, const char *buf, size_t count, int nr) | |
703 | { | |
704 | struct i2c_client *client = to_i2c_client(dev); | |
705 | struct w83781d_data *data = i2c_get_clientdata(client); | |
706 | u32 val, reg; | |
707 | ||
708 | val = simple_strtoul(buf, NULL, 10); | |
709 | ||
710 | down(&data->update_lock); | |
711 | ||
712 | switch (val) { | |
713 | case 0: | |
714 | case 1: | |
715 | reg = w83781d_read_value(client, W83781D_REG_PWMCLK12); | |
716 | w83781d_write_value(client, W83781D_REG_PWMCLK12, | |
717 | (reg & 0xf7) | (val << 3)); | |
718 | ||
719 | reg = w83781d_read_value(client, W83781D_REG_BEEP_CONFIG); | |
720 | w83781d_write_value(client, W83781D_REG_BEEP_CONFIG, | |
721 | (reg & 0xef) | (!val << 4)); | |
722 | ||
723 | data->pwmenable[nr - 1] = val; | |
724 | break; | |
725 | ||
726 | default: | |
727 | up(&data->update_lock); | |
728 | return -EINVAL; | |
729 | } | |
730 | ||
731 | up(&data->update_lock); | |
732 | return count; | |
733 | } | |
734 | ||
735 | #define sysfs_pwm(offset) \ | |
e404e274 | 736 | static ssize_t show_regs_pwm_##offset (struct device *dev, struct device_attribute *attr, char *buf) \ |
1da177e4 LT |
737 | { \ |
738 | return show_pwm_reg(dev, buf, offset); \ | |
739 | } \ | |
e404e274 | 740 | static ssize_t store_regs_pwm_##offset (struct device *dev, struct device_attribute *attr, \ |
1da177e4 LT |
741 | const char *buf, size_t count) \ |
742 | { \ | |
743 | return store_pwm_reg(dev, buf, count, offset); \ | |
744 | } \ | |
745 | static DEVICE_ATTR(pwm##offset, S_IRUGO | S_IWUSR, \ | |
746 | show_regs_pwm_##offset, store_regs_pwm_##offset); | |
747 | ||
748 | #define sysfs_pwmenable(offset) \ | |
e404e274 | 749 | static ssize_t show_regs_pwmenable_##offset (struct device *dev, struct device_attribute *attr, char *buf) \ |
1da177e4 LT |
750 | { \ |
751 | return show_pwmenable_reg(dev, buf, offset); \ | |
752 | } \ | |
e404e274 | 753 | static ssize_t store_regs_pwmenable_##offset (struct device *dev, struct device_attribute *attr, \ |
1da177e4 LT |
754 | const char *buf, size_t count) \ |
755 | { \ | |
756 | return store_pwmenable_reg(dev, buf, count, offset); \ | |
757 | } \ | |
758 | static DEVICE_ATTR(pwm##offset##_enable, S_IRUGO | S_IWUSR, \ | |
759 | show_regs_pwmenable_##offset, store_regs_pwmenable_##offset); | |
760 | ||
761 | sysfs_pwm(1); | |
762 | sysfs_pwm(2); | |
763 | sysfs_pwmenable(2); /* only PWM2 can be enabled/disabled */ | |
764 | sysfs_pwm(3); | |
765 | sysfs_pwm(4); | |
766 | ||
767 | #define device_create_file_pwm(client, offset) \ | |
768 | do { \ | |
769 | device_create_file(&client->dev, &dev_attr_pwm##offset); \ | |
770 | } while (0) | |
771 | ||
772 | #define device_create_file_pwmenable(client, offset) \ | |
773 | do { \ | |
774 | device_create_file(&client->dev, &dev_attr_pwm##offset##_enable); \ | |
775 | } while (0) | |
776 | ||
777 | static ssize_t | |
778 | show_sensor_reg(struct device *dev, char *buf, int nr) | |
779 | { | |
780 | struct w83781d_data *data = w83781d_update_device(dev); | |
781 | return sprintf(buf, "%ld\n", (long) data->sens[nr - 1]); | |
782 | } | |
783 | ||
784 | static ssize_t | |
785 | store_sensor_reg(struct device *dev, const char *buf, size_t count, int nr) | |
786 | { | |
787 | struct i2c_client *client = to_i2c_client(dev); | |
788 | struct w83781d_data *data = i2c_get_clientdata(client); | |
789 | u32 val, tmp; | |
790 | ||
791 | val = simple_strtoul(buf, NULL, 10); | |
792 | ||
793 | down(&data->update_lock); | |
794 | ||
795 | switch (val) { | |
796 | case 1: /* PII/Celeron diode */ | |
797 | tmp = w83781d_read_value(client, W83781D_REG_SCFG1); | |
798 | w83781d_write_value(client, W83781D_REG_SCFG1, | |
799 | tmp | BIT_SCFG1[nr - 1]); | |
800 | tmp = w83781d_read_value(client, W83781D_REG_SCFG2); | |
801 | w83781d_write_value(client, W83781D_REG_SCFG2, | |
802 | tmp | BIT_SCFG2[nr - 1]); | |
803 | data->sens[nr - 1] = val; | |
804 | break; | |
805 | case 2: /* 3904 */ | |
806 | tmp = w83781d_read_value(client, W83781D_REG_SCFG1); | |
807 | w83781d_write_value(client, W83781D_REG_SCFG1, | |
808 | tmp | BIT_SCFG1[nr - 1]); | |
809 | tmp = w83781d_read_value(client, W83781D_REG_SCFG2); | |
810 | w83781d_write_value(client, W83781D_REG_SCFG2, | |
811 | tmp & ~BIT_SCFG2[nr - 1]); | |
812 | data->sens[nr - 1] = val; | |
813 | break; | |
814 | case W83781D_DEFAULT_BETA: /* thermistor */ | |
815 | tmp = w83781d_read_value(client, W83781D_REG_SCFG1); | |
816 | w83781d_write_value(client, W83781D_REG_SCFG1, | |
817 | tmp & ~BIT_SCFG1[nr - 1]); | |
818 | data->sens[nr - 1] = val; | |
819 | break; | |
820 | default: | |
821 | dev_err(dev, "Invalid sensor type %ld; must be 1, 2, or %d\n", | |
822 | (long) val, W83781D_DEFAULT_BETA); | |
823 | break; | |
824 | } | |
825 | ||
826 | up(&data->update_lock); | |
827 | return count; | |
828 | } | |
829 | ||
830 | #define sysfs_sensor(offset) \ | |
e404e274 | 831 | static ssize_t show_regs_sensor_##offset (struct device *dev, struct device_attribute *attr, char *buf) \ |
1da177e4 LT |
832 | { \ |
833 | return show_sensor_reg(dev, buf, offset); \ | |
834 | } \ | |
e404e274 | 835 | static ssize_t store_regs_sensor_##offset (struct device *dev, struct device_attribute *attr, const char *buf, size_t count) \ |
1da177e4 LT |
836 | { \ |
837 | return store_sensor_reg(dev, buf, count, offset); \ | |
838 | } \ | |
839 | static DEVICE_ATTR(temp##offset##_type, S_IRUGO | S_IWUSR, show_regs_sensor_##offset, store_regs_sensor_##offset); | |
840 | ||
841 | sysfs_sensor(1); | |
842 | sysfs_sensor(2); | |
843 | sysfs_sensor(3); | |
844 | ||
845 | #define device_create_file_sensor(client, offset) \ | |
846 | do { \ | |
847 | device_create_file(&client->dev, &dev_attr_temp##offset##_type); \ | |
848 | } while (0) | |
849 | ||
850 | /* This function is called when: | |
851 | * w83781d_driver is inserted (when this module is loaded), for each | |
852 | available adapter | |
853 | * when a new adapter is inserted (and w83781d_driver is still present) */ | |
854 | static int | |
855 | w83781d_attach_adapter(struct i2c_adapter *adapter) | |
856 | { | |
857 | if (!(adapter->class & I2C_CLASS_HWMON)) | |
858 | return 0; | |
859 | return i2c_detect(adapter, &addr_data, w83781d_detect); | |
860 | } | |
861 | ||
862 | /* Assumes that adapter is of I2C, not ISA variety. | |
863 | * OTHERWISE DON'T CALL THIS | |
864 | */ | |
865 | static int | |
866 | w83781d_detect_subclients(struct i2c_adapter *adapter, int address, int kind, | |
867 | struct i2c_client *new_client) | |
868 | { | |
869 | int i, val1 = 0, id; | |
870 | int err; | |
871 | const char *client_name = ""; | |
872 | struct w83781d_data *data = i2c_get_clientdata(new_client); | |
873 | ||
874 | data->lm75[0] = kmalloc(sizeof(struct i2c_client), GFP_KERNEL); | |
875 | if (!(data->lm75[0])) { | |
876 | err = -ENOMEM; | |
877 | goto ERROR_SC_0; | |
878 | } | |
879 | memset(data->lm75[0], 0x00, sizeof (struct i2c_client)); | |
880 | ||
881 | id = i2c_adapter_id(adapter); | |
882 | ||
883 | if (force_subclients[0] == id && force_subclients[1] == address) { | |
884 | for (i = 2; i <= 3; i++) { | |
885 | if (force_subclients[i] < 0x48 || | |
886 | force_subclients[i] > 0x4f) { | |
887 | dev_err(&new_client->dev, "Invalid subclient " | |
888 | "address %d; must be 0x48-0x4f\n", | |
889 | force_subclients[i]); | |
890 | err = -EINVAL; | |
891 | goto ERROR_SC_1; | |
892 | } | |
893 | } | |
894 | w83781d_write_value(new_client, W83781D_REG_I2C_SUBADDR, | |
895 | (force_subclients[2] & 0x07) | | |
896 | ((force_subclients[3] & 0x07) << 4)); | |
897 | data->lm75[0]->addr = force_subclients[2]; | |
898 | } else { | |
899 | val1 = w83781d_read_value(new_client, W83781D_REG_I2C_SUBADDR); | |
900 | data->lm75[0]->addr = 0x48 + (val1 & 0x07); | |
901 | } | |
902 | ||
903 | if (kind != w83783s) { | |
904 | ||
905 | data->lm75[1] = kmalloc(sizeof(struct i2c_client), GFP_KERNEL); | |
906 | if (!(data->lm75[1])) { | |
907 | err = -ENOMEM; | |
908 | goto ERROR_SC_1; | |
909 | } | |
910 | memset(data->lm75[1], 0x0, sizeof(struct i2c_client)); | |
911 | ||
912 | if (force_subclients[0] == id && | |
913 | force_subclients[1] == address) { | |
914 | data->lm75[1]->addr = force_subclients[3]; | |
915 | } else { | |
916 | data->lm75[1]->addr = 0x48 + ((val1 >> 4) & 0x07); | |
917 | } | |
918 | if (data->lm75[0]->addr == data->lm75[1]->addr) { | |
919 | dev_err(&new_client->dev, | |
920 | "Duplicate addresses 0x%x for subclients.\n", | |
921 | data->lm75[0]->addr); | |
922 | err = -EBUSY; | |
923 | goto ERROR_SC_2; | |
924 | } | |
925 | } | |
926 | ||
927 | if (kind == w83781d) | |
928 | client_name = "w83781d subclient"; | |
929 | else if (kind == w83782d) | |
930 | client_name = "w83782d subclient"; | |
931 | else if (kind == w83783s) | |
932 | client_name = "w83783s subclient"; | |
933 | else if (kind == w83627hf) | |
934 | client_name = "w83627hf subclient"; | |
935 | else if (kind == as99127f) | |
936 | client_name = "as99127f subclient"; | |
937 | ||
938 | for (i = 0; i <= 1; i++) { | |
939 | /* store all data in w83781d */ | |
940 | i2c_set_clientdata(data->lm75[i], NULL); | |
941 | data->lm75[i]->adapter = adapter; | |
942 | data->lm75[i]->driver = &w83781d_driver; | |
943 | data->lm75[i]->flags = 0; | |
944 | strlcpy(data->lm75[i]->name, client_name, | |
945 | I2C_NAME_SIZE); | |
946 | if ((err = i2c_attach_client(data->lm75[i]))) { | |
947 | dev_err(&new_client->dev, "Subclient %d " | |
948 | "registration at address 0x%x " | |
949 | "failed.\n", i, data->lm75[i]->addr); | |
950 | if (i == 1) | |
951 | goto ERROR_SC_3; | |
952 | goto ERROR_SC_2; | |
953 | } | |
954 | if (kind == w83783s) | |
955 | break; | |
956 | } | |
957 | ||
958 | return 0; | |
959 | ||
960 | /* Undo inits in case of errors */ | |
961 | ERROR_SC_3: | |
962 | i2c_detach_client(data->lm75[0]); | |
963 | ERROR_SC_2: | |
964 | if (NULL != data->lm75[1]) | |
965 | kfree(data->lm75[1]); | |
966 | ERROR_SC_1: | |
967 | if (NULL != data->lm75[0]) | |
968 | kfree(data->lm75[0]); | |
969 | ERROR_SC_0: | |
970 | return err; | |
971 | } | |
972 | ||
973 | static int | |
974 | w83781d_detect(struct i2c_adapter *adapter, int address, int kind) | |
975 | { | |
976 | int i = 0, val1 = 0, val2; | |
977 | struct i2c_client *new_client; | |
978 | struct w83781d_data *data; | |
979 | int err; | |
980 | const char *client_name = ""; | |
981 | int is_isa = i2c_is_isa_adapter(adapter); | |
982 | enum vendor { winbond, asus } vendid; | |
983 | ||
984 | if (!is_isa | |
985 | && !i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) { | |
986 | err = -EINVAL; | |
987 | goto ERROR0; | |
988 | } | |
989 | ||
990 | /* Prevent users from forcing a kind for a bus it isn't supposed | |
991 | to possibly be on */ | |
992 | if (is_isa && (kind == as99127f || kind == w83783s)) { | |
993 | dev_err(&adapter->dev, | |
994 | "Cannot force I2C-only chip for ISA address 0x%02x.\n", | |
995 | address); | |
996 | err = -EINVAL; | |
997 | goto ERROR0; | |
998 | } | |
1da177e4 LT |
999 | |
1000 | if (is_isa) | |
1001 | if (!request_region(address, W83781D_EXTENT, | |
1002 | w83781d_driver.name)) { | |
1003 | dev_dbg(&adapter->dev, "Request of region " | |
1004 | "0x%x-0x%x for w83781d failed\n", address, | |
1005 | address + W83781D_EXTENT - 1); | |
1006 | err = -EBUSY; | |
1007 | goto ERROR0; | |
1008 | } | |
1009 | ||
1010 | /* Probe whether there is anything available on this address. Already | |
1011 | done for SMBus clients */ | |
1012 | if (kind < 0) { | |
1013 | if (is_isa) { | |
1014 | ||
1015 | #define REALLY_SLOW_IO | |
1016 | /* We need the timeouts for at least some LM78-like | |
1017 | chips. But only if we read 'undefined' registers. */ | |
1018 | i = inb_p(address + 1); | |
1019 | if (inb_p(address + 2) != i | |
1020 | || inb_p(address + 3) != i | |
1021 | || inb_p(address + 7) != i) { | |
1022 | dev_dbg(&adapter->dev, "Detection of w83781d " | |
1023 | "chip failed at step 1\n"); | |
1024 | err = -ENODEV; | |
1025 | goto ERROR1; | |
1026 | } | |
1027 | #undef REALLY_SLOW_IO | |
1028 | ||
1029 | /* Let's just hope nothing breaks here */ | |
1030 | i = inb_p(address + 5) & 0x7f; | |
1031 | outb_p(~i & 0x7f, address + 5); | |
1032 | val2 = inb_p(address + 5) & 0x7f; | |
1033 | if (val2 != (~i & 0x7f)) { | |
1034 | outb_p(i, address + 5); | |
1035 | dev_dbg(&adapter->dev, "Detection of w83781d " | |
1036 | "chip failed at step 2 (0x%x != " | |
1037 | "0x%x at 0x%x)\n", val2, ~i & 0x7f, | |
1038 | address + 5); | |
1039 | err = -ENODEV; | |
1040 | goto ERROR1; | |
1041 | } | |
1042 | } | |
1043 | } | |
1044 | ||
1045 | /* OK. For now, we presume we have a valid client. We now create the | |
1046 | client structure, even though we cannot fill it completely yet. | |
1047 | But it allows us to access w83781d_{read,write}_value. */ | |
1048 | ||
1049 | if (!(data = kmalloc(sizeof(struct w83781d_data), GFP_KERNEL))) { | |
1050 | err = -ENOMEM; | |
1051 | goto ERROR1; | |
1052 | } | |
1053 | memset(data, 0, sizeof(struct w83781d_data)); | |
1054 | ||
1055 | new_client = &data->client; | |
1056 | i2c_set_clientdata(new_client, data); | |
1057 | new_client->addr = address; | |
1058 | init_MUTEX(&data->lock); | |
1059 | new_client->adapter = adapter; | |
1060 | new_client->driver = &w83781d_driver; | |
1061 | new_client->flags = 0; | |
1062 | ||
1063 | /* Now, we do the remaining detection. */ | |
1064 | ||
1065 | /* The w8378?d may be stuck in some other bank than bank 0. This may | |
1066 | make reading other information impossible. Specify a force=... or | |
1067 | force_*=... parameter, and the Winbond will be reset to the right | |
1068 | bank. */ | |
1069 | if (kind < 0) { | |
1070 | if (w83781d_read_value(new_client, W83781D_REG_CONFIG) & 0x80) { | |
1071 | dev_dbg(&new_client->dev, "Detection failed at step " | |
1072 | "3\n"); | |
1073 | err = -ENODEV; | |
1074 | goto ERROR2; | |
1075 | } | |
1076 | val1 = w83781d_read_value(new_client, W83781D_REG_BANK); | |
1077 | val2 = w83781d_read_value(new_client, W83781D_REG_CHIPMAN); | |
1078 | /* Check for Winbond or Asus ID if in bank 0 */ | |
1079 | if ((!(val1 & 0x07)) && | |
1080 | (((!(val1 & 0x80)) && (val2 != 0xa3) && (val2 != 0xc3)) | |
1081 | || ((val1 & 0x80) && (val2 != 0x5c) && (val2 != 0x12)))) { | |
1082 | dev_dbg(&new_client->dev, "Detection failed at step " | |
1083 | "4\n"); | |
1084 | err = -ENODEV; | |
1085 | goto ERROR2; | |
1086 | } | |
1087 | /* If Winbond SMBus, check address at 0x48. | |
1088 | Asus doesn't support, except for as99127f rev.2 */ | |
1089 | if ((!is_isa) && (((!(val1 & 0x80)) && (val2 == 0xa3)) || | |
1090 | ((val1 & 0x80) && (val2 == 0x5c)))) { | |
1091 | if (w83781d_read_value | |
1092 | (new_client, W83781D_REG_I2C_ADDR) != address) { | |
1093 | dev_dbg(&new_client->dev, "Detection failed " | |
1094 | "at step 5\n"); | |
1095 | err = -ENODEV; | |
1096 | goto ERROR2; | |
1097 | } | |
1098 | } | |
1099 | } | |
1100 | ||
1101 | /* We have either had a force parameter, or we have already detected the | |
1102 | Winbond. Put it now into bank 0 and Vendor ID High Byte */ | |
1103 | w83781d_write_value(new_client, W83781D_REG_BANK, | |
1104 | (w83781d_read_value(new_client, | |
1105 | W83781D_REG_BANK) & 0x78) | | |
1106 | 0x80); | |
1107 | ||
1108 | /* Determine the chip type. */ | |
1109 | if (kind <= 0) { | |
1110 | /* get vendor ID */ | |
1111 | val2 = w83781d_read_value(new_client, W83781D_REG_CHIPMAN); | |
1112 | if (val2 == 0x5c) | |
1113 | vendid = winbond; | |
1114 | else if (val2 == 0x12) | |
1115 | vendid = asus; | |
1116 | else { | |
1117 | dev_dbg(&new_client->dev, "Chip was made by neither " | |
1118 | "Winbond nor Asus?\n"); | |
1119 | err = -ENODEV; | |
1120 | goto ERROR2; | |
1121 | } | |
1122 | ||
1123 | val1 = w83781d_read_value(new_client, W83781D_REG_WCHIPID); | |
1124 | if ((val1 == 0x10 || val1 == 0x11) && vendid == winbond) | |
1125 | kind = w83781d; | |
1126 | else if (val1 == 0x30 && vendid == winbond) | |
1127 | kind = w83782d; | |
1128 | else if (val1 == 0x40 && vendid == winbond && !is_isa | |
1129 | && address == 0x2d) | |
1130 | kind = w83783s; | |
7c7a5304 | 1131 | else if (val1 == 0x21 && vendid == winbond) |
1da177e4 LT |
1132 | kind = w83627hf; |
1133 | else if (val1 == 0x31 && !is_isa && address >= 0x28) | |
1134 | kind = as99127f; | |
1da177e4 LT |
1135 | else { |
1136 | if (kind == 0) | |
1137 | dev_warn(&new_client->dev, "Ignoring 'force' " | |
1138 | "parameter for unknown chip at " | |
1139 | "adapter %d, address 0x%02x\n", | |
1140 | i2c_adapter_id(adapter), address); | |
1141 | err = -EINVAL; | |
1142 | goto ERROR2; | |
1143 | } | |
1144 | } | |
1145 | ||
1146 | if (kind == w83781d) { | |
1147 | client_name = "w83781d"; | |
1148 | } else if (kind == w83782d) { | |
1149 | client_name = "w83782d"; | |
1150 | } else if (kind == w83783s) { | |
1151 | client_name = "w83783s"; | |
1152 | } else if (kind == w83627hf) { | |
7c7a5304 | 1153 | client_name = "w83627hf"; |
1da177e4 LT |
1154 | } else if (kind == as99127f) { |
1155 | client_name = "as99127f"; | |
1da177e4 LT |
1156 | } |
1157 | ||
1158 | /* Fill in the remaining client fields and put into the global list */ | |
1159 | strlcpy(new_client->name, client_name, I2C_NAME_SIZE); | |
1160 | data->type = kind; | |
1161 | ||
1162 | data->valid = 0; | |
1163 | init_MUTEX(&data->update_lock); | |
1164 | ||
1165 | /* Tell the I2C layer a new client has arrived */ | |
1166 | if ((err = i2c_attach_client(new_client))) | |
1167 | goto ERROR2; | |
1168 | ||
1169 | /* attach secondary i2c lm75-like clients */ | |
1170 | if (!is_isa) { | |
1171 | if ((err = w83781d_detect_subclients(adapter, address, | |
1172 | kind, new_client))) | |
1173 | goto ERROR3; | |
1174 | } else { | |
1175 | data->lm75[0] = NULL; | |
1176 | data->lm75[1] = NULL; | |
1177 | } | |
1178 | ||
1179 | /* Initialize the chip */ | |
1180 | w83781d_init_client(new_client); | |
1181 | ||
1182 | /* A few vars need to be filled upon startup */ | |
1183 | for (i = 1; i <= 3; i++) { | |
1184 | data->fan_min[i - 1] = w83781d_read_value(new_client, | |
1185 | W83781D_REG_FAN_MIN(i)); | |
1186 | } | |
1187 | if (kind != w83781d && kind != as99127f) | |
1188 | for (i = 0; i < 4; i++) | |
1189 | data->pwmenable[i] = 1; | |
1190 | ||
1191 | /* Register sysfs hooks */ | |
1192 | device_create_file_in(new_client, 0); | |
7c7a5304 | 1193 | if (kind != w83783s) |
1da177e4 LT |
1194 | device_create_file_in(new_client, 1); |
1195 | device_create_file_in(new_client, 2); | |
1196 | device_create_file_in(new_client, 3); | |
1197 | device_create_file_in(new_client, 4); | |
1198 | device_create_file_in(new_client, 5); | |
1199 | device_create_file_in(new_client, 6); | |
1200 | if (kind != as99127f && kind != w83781d && kind != w83783s) { | |
1201 | device_create_file_in(new_client, 7); | |
1202 | device_create_file_in(new_client, 8); | |
1203 | } | |
1204 | ||
1205 | device_create_file_fan(new_client, 1); | |
1206 | device_create_file_fan(new_client, 2); | |
7c7a5304 | 1207 | device_create_file_fan(new_client, 3); |
1da177e4 LT |
1208 | |
1209 | device_create_file_temp(new_client, 1); | |
1210 | device_create_file_temp(new_client, 2); | |
7c7a5304 | 1211 | if (kind != w83783s) |
1da177e4 LT |
1212 | device_create_file_temp(new_client, 3); |
1213 | ||
7c7a5304 JD |
1214 | device_create_file_vid(new_client); |
1215 | device_create_file_vrm(new_client); | |
1da177e4 LT |
1216 | |
1217 | device_create_file_fan_div(new_client, 1); | |
1218 | device_create_file_fan_div(new_client, 2); | |
7c7a5304 | 1219 | device_create_file_fan_div(new_client, 3); |
1da177e4 LT |
1220 | |
1221 | device_create_file_alarms(new_client); | |
1222 | ||
1223 | device_create_file_beep(new_client); | |
1224 | ||
1225 | if (kind != w83781d && kind != as99127f) { | |
1226 | device_create_file_pwm(new_client, 1); | |
1227 | device_create_file_pwm(new_client, 2); | |
1228 | device_create_file_pwmenable(new_client, 2); | |
1229 | } | |
1230 | if (kind == w83782d && !is_isa) { | |
1231 | device_create_file_pwm(new_client, 3); | |
1232 | device_create_file_pwm(new_client, 4); | |
1233 | } | |
1234 | ||
1235 | if (kind != as99127f && kind != w83781d) { | |
1236 | device_create_file_sensor(new_client, 1); | |
1237 | device_create_file_sensor(new_client, 2); | |
7c7a5304 | 1238 | if (kind != w83783s) |
1da177e4 LT |
1239 | device_create_file_sensor(new_client, 3); |
1240 | } | |
1241 | ||
1242 | return 0; | |
1243 | ||
1244 | ERROR3: | |
1245 | i2c_detach_client(new_client); | |
1246 | ERROR2: | |
1247 | kfree(data); | |
1248 | ERROR1: | |
1249 | if (is_isa) | |
1250 | release_region(address, W83781D_EXTENT); | |
1251 | ERROR0: | |
1252 | return err; | |
1253 | } | |
1254 | ||
1255 | static int | |
1256 | w83781d_detach_client(struct i2c_client *client) | |
1257 | { | |
1258 | int err; | |
1259 | ||
1260 | if (i2c_is_isa_client(client)) | |
1261 | release_region(client->addr, W83781D_EXTENT); | |
1262 | ||
1263 | if ((err = i2c_detach_client(client))) { | |
1264 | dev_err(&client->dev, | |
1265 | "Client deregistration failed, client not detached.\n"); | |
1266 | return err; | |
1267 | } | |
1268 | ||
1269 | if (i2c_get_clientdata(client)==NULL) { | |
1270 | /* subclients */ | |
1271 | kfree(client); | |
1272 | } else { | |
1273 | /* main client */ | |
1274 | kfree(i2c_get_clientdata(client)); | |
1275 | } | |
1276 | ||
1277 | return 0; | |
1278 | } | |
1279 | ||
1280 | /* The SMBus locks itself, usually, but nothing may access the Winbond between | |
1281 | bank switches. ISA access must always be locked explicitly! | |
1282 | We ignore the W83781D BUSY flag at this moment - it could lead to deadlocks, | |
1283 | would slow down the W83781D access and should not be necessary. | |
1284 | There are some ugly typecasts here, but the good news is - they should | |
1285 | nowhere else be necessary! */ | |
1286 | static int | |
1287 | w83781d_read_value(struct i2c_client *client, u16 reg) | |
1288 | { | |
1289 | struct w83781d_data *data = i2c_get_clientdata(client); | |
1290 | int res, word_sized, bank; | |
1291 | struct i2c_client *cl; | |
1292 | ||
1293 | down(&data->lock); | |
1294 | if (i2c_is_isa_client(client)) { | |
1295 | word_sized = (((reg & 0xff00) == 0x100) | |
1296 | || ((reg & 0xff00) == 0x200)) | |
1297 | && (((reg & 0x00ff) == 0x50) | |
1298 | || ((reg & 0x00ff) == 0x53) | |
1299 | || ((reg & 0x00ff) == 0x55)); | |
1300 | if (reg & 0xff00) { | |
1301 | outb_p(W83781D_REG_BANK, | |
1302 | client->addr + W83781D_ADDR_REG_OFFSET); | |
1303 | outb_p(reg >> 8, | |
1304 | client->addr + W83781D_DATA_REG_OFFSET); | |
1305 | } | |
1306 | outb_p(reg & 0xff, client->addr + W83781D_ADDR_REG_OFFSET); | |
1307 | res = inb_p(client->addr + W83781D_DATA_REG_OFFSET); | |
1308 | if (word_sized) { | |
1309 | outb_p((reg & 0xff) + 1, | |
1310 | client->addr + W83781D_ADDR_REG_OFFSET); | |
1311 | res = | |
1312 | (res << 8) + inb_p(client->addr + | |
1313 | W83781D_DATA_REG_OFFSET); | |
1314 | } | |
1315 | if (reg & 0xff00) { | |
1316 | outb_p(W83781D_REG_BANK, | |
1317 | client->addr + W83781D_ADDR_REG_OFFSET); | |
1318 | outb_p(0, client->addr + W83781D_DATA_REG_OFFSET); | |
1319 | } | |
1320 | } else { | |
1321 | bank = (reg >> 8) & 0x0f; | |
1322 | if (bank > 2) | |
1323 | /* switch banks */ | |
1324 | i2c_smbus_write_byte_data(client, W83781D_REG_BANK, | |
1325 | bank); | |
1326 | if (bank == 0 || bank > 2) { | |
1327 | res = i2c_smbus_read_byte_data(client, reg & 0xff); | |
1328 | } else { | |
1329 | /* switch to subclient */ | |
1330 | cl = data->lm75[bank - 1]; | |
1331 | /* convert from ISA to LM75 I2C addresses */ | |
1332 | switch (reg & 0xff) { | |
1333 | case 0x50: /* TEMP */ | |
1334 | res = swab16(i2c_smbus_read_word_data(cl, 0)); | |
1335 | break; | |
1336 | case 0x52: /* CONFIG */ | |
1337 | res = i2c_smbus_read_byte_data(cl, 1); | |
1338 | break; | |
1339 | case 0x53: /* HYST */ | |
1340 | res = swab16(i2c_smbus_read_word_data(cl, 2)); | |
1341 | break; | |
1342 | case 0x55: /* OVER */ | |
1343 | default: | |
1344 | res = swab16(i2c_smbus_read_word_data(cl, 3)); | |
1345 | break; | |
1346 | } | |
1347 | } | |
1348 | if (bank > 2) | |
1349 | i2c_smbus_write_byte_data(client, W83781D_REG_BANK, 0); | |
1350 | } | |
1351 | up(&data->lock); | |
1352 | return res; | |
1353 | } | |
1354 | ||
1355 | static int | |
1356 | w83781d_write_value(struct i2c_client *client, u16 reg, u16 value) | |
1357 | { | |
1358 | struct w83781d_data *data = i2c_get_clientdata(client); | |
1359 | int word_sized, bank; | |
1360 | struct i2c_client *cl; | |
1361 | ||
1362 | down(&data->lock); | |
1363 | if (i2c_is_isa_client(client)) { | |
1364 | word_sized = (((reg & 0xff00) == 0x100) | |
1365 | || ((reg & 0xff00) == 0x200)) | |
1366 | && (((reg & 0x00ff) == 0x53) | |
1367 | || ((reg & 0x00ff) == 0x55)); | |
1368 | if (reg & 0xff00) { | |
1369 | outb_p(W83781D_REG_BANK, | |
1370 | client->addr + W83781D_ADDR_REG_OFFSET); | |
1371 | outb_p(reg >> 8, | |
1372 | client->addr + W83781D_DATA_REG_OFFSET); | |
1373 | } | |
1374 | outb_p(reg & 0xff, client->addr + W83781D_ADDR_REG_OFFSET); | |
1375 | if (word_sized) { | |
1376 | outb_p(value >> 8, | |
1377 | client->addr + W83781D_DATA_REG_OFFSET); | |
1378 | outb_p((reg & 0xff) + 1, | |
1379 | client->addr + W83781D_ADDR_REG_OFFSET); | |
1380 | } | |
1381 | outb_p(value & 0xff, client->addr + W83781D_DATA_REG_OFFSET); | |
1382 | if (reg & 0xff00) { | |
1383 | outb_p(W83781D_REG_BANK, | |
1384 | client->addr + W83781D_ADDR_REG_OFFSET); | |
1385 | outb_p(0, client->addr + W83781D_DATA_REG_OFFSET); | |
1386 | } | |
1387 | } else { | |
1388 | bank = (reg >> 8) & 0x0f; | |
1389 | if (bank > 2) | |
1390 | /* switch banks */ | |
1391 | i2c_smbus_write_byte_data(client, W83781D_REG_BANK, | |
1392 | bank); | |
1393 | if (bank == 0 || bank > 2) { | |
1394 | i2c_smbus_write_byte_data(client, reg & 0xff, | |
1395 | value & 0xff); | |
1396 | } else { | |
1397 | /* switch to subclient */ | |
1398 | cl = data->lm75[bank - 1]; | |
1399 | /* convert from ISA to LM75 I2C addresses */ | |
1400 | switch (reg & 0xff) { | |
1401 | case 0x52: /* CONFIG */ | |
1402 | i2c_smbus_write_byte_data(cl, 1, value & 0xff); | |
1403 | break; | |
1404 | case 0x53: /* HYST */ | |
1405 | i2c_smbus_write_word_data(cl, 2, swab16(value)); | |
1406 | break; | |
1407 | case 0x55: /* OVER */ | |
1408 | i2c_smbus_write_word_data(cl, 3, swab16(value)); | |
1409 | break; | |
1410 | } | |
1411 | } | |
1412 | if (bank > 2) | |
1413 | i2c_smbus_write_byte_data(client, W83781D_REG_BANK, 0); | |
1414 | } | |
1415 | up(&data->lock); | |
1416 | return 0; | |
1417 | } | |
1418 | ||
1419 | /* Called when we have found a new W83781D. It should set limits, etc. */ | |
1420 | static void | |
1421 | w83781d_init_client(struct i2c_client *client) | |
1422 | { | |
1423 | struct w83781d_data *data = i2c_get_clientdata(client); | |
1424 | int i, p; | |
1425 | int type = data->type; | |
1426 | u8 tmp; | |
1427 | ||
1428 | if (init && type != as99127f) { /* this resets registers we don't have | |
1429 | documentation for on the as99127f */ | |
1430 | /* save these registers */ | |
1431 | i = w83781d_read_value(client, W83781D_REG_BEEP_CONFIG); | |
1432 | p = w83781d_read_value(client, W83781D_REG_PWMCLK12); | |
1433 | /* Reset all except Watchdog values and last conversion values | |
1434 | This sets fan-divs to 2, among others */ | |
1435 | w83781d_write_value(client, W83781D_REG_CONFIG, 0x80); | |
1436 | /* Restore the registers and disable power-on abnormal beep. | |
1437 | This saves FAN 1/2/3 input/output values set by BIOS. */ | |
1438 | w83781d_write_value(client, W83781D_REG_BEEP_CONFIG, i | 0x80); | |
1439 | w83781d_write_value(client, W83781D_REG_PWMCLK12, p); | |
1440 | /* Disable master beep-enable (reset turns it on). | |
1441 | Individual beep_mask should be reset to off but for some reason | |
1442 | disabling this bit helps some people not get beeped */ | |
1443 | w83781d_write_value(client, W83781D_REG_BEEP_INTS2, 0); | |
1444 | } | |
1445 | ||
1446 | data->vrm = i2c_which_vrm(); | |
1447 | ||
1448 | if ((type != w83781d) && (type != as99127f)) { | |
1449 | tmp = w83781d_read_value(client, W83781D_REG_SCFG1); | |
1450 | for (i = 1; i <= 3; i++) { | |
1451 | if (!(tmp & BIT_SCFG1[i - 1])) { | |
1452 | data->sens[i - 1] = W83781D_DEFAULT_BETA; | |
1453 | } else { | |
1454 | if (w83781d_read_value | |
1455 | (client, | |
1456 | W83781D_REG_SCFG2) & BIT_SCFG2[i - 1]) | |
1457 | data->sens[i - 1] = 1; | |
1458 | else | |
1459 | data->sens[i - 1] = 2; | |
1460 | } | |
7c7a5304 | 1461 | if (type == w83783s && i == 2) |
1da177e4 LT |
1462 | break; |
1463 | } | |
1464 | } | |
1465 | ||
1466 | if (init && type != as99127f) { | |
1467 | /* Enable temp2 */ | |
1468 | tmp = w83781d_read_value(client, W83781D_REG_TEMP2_CONFIG); | |
1469 | if (tmp & 0x01) { | |
1470 | dev_warn(&client->dev, "Enabling temp2, readings " | |
1471 | "might not make sense\n"); | |
1472 | w83781d_write_value(client, W83781D_REG_TEMP2_CONFIG, | |
1473 | tmp & 0xfe); | |
1474 | } | |
1475 | ||
1476 | /* Enable temp3 */ | |
7c7a5304 | 1477 | if (type != w83783s) { |
1da177e4 LT |
1478 | tmp = w83781d_read_value(client, |
1479 | W83781D_REG_TEMP3_CONFIG); | |
1480 | if (tmp & 0x01) { | |
1481 | dev_warn(&client->dev, "Enabling temp3, " | |
1482 | "readings might not make sense\n"); | |
1483 | w83781d_write_value(client, | |
1484 | W83781D_REG_TEMP3_CONFIG, tmp & 0xfe); | |
1485 | } | |
1486 | } | |
1487 | ||
1488 | if (type != w83781d) { | |
1489 | /* enable comparator mode for temp2 and temp3 so | |
1490 | alarm indication will work correctly */ | |
1491 | i = w83781d_read_value(client, W83781D_REG_IRQ); | |
1492 | if (!(i & 0x40)) | |
1493 | w83781d_write_value(client, W83781D_REG_IRQ, | |
1494 | i | 0x40); | |
1495 | } | |
1496 | } | |
1497 | ||
1498 | /* Start monitoring */ | |
1499 | w83781d_write_value(client, W83781D_REG_CONFIG, | |
1500 | (w83781d_read_value(client, | |
1501 | W83781D_REG_CONFIG) & 0xf7) | |
1502 | | 0x01); | |
1503 | } | |
1504 | ||
1505 | static struct w83781d_data *w83781d_update_device(struct device *dev) | |
1506 | { | |
1507 | struct i2c_client *client = to_i2c_client(dev); | |
1508 | struct w83781d_data *data = i2c_get_clientdata(client); | |
1509 | int i; | |
1510 | ||
1511 | down(&data->update_lock); | |
1512 | ||
1513 | if (time_after(jiffies, data->last_updated + HZ + HZ / 2) | |
1514 | || !data->valid) { | |
1515 | dev_dbg(dev, "Starting device update\n"); | |
1516 | ||
1517 | for (i = 0; i <= 8; i++) { | |
7c7a5304 | 1518 | if (data->type == w83783s && i == 1) |
1da177e4 LT |
1519 | continue; /* 783S has no in1 */ |
1520 | data->in[i] = | |
1521 | w83781d_read_value(client, W83781D_REG_IN(i)); | |
1522 | data->in_min[i] = | |
1523 | w83781d_read_value(client, W83781D_REG_IN_MIN(i)); | |
1524 | data->in_max[i] = | |
1525 | w83781d_read_value(client, W83781D_REG_IN_MAX(i)); | |
7c7a5304 | 1526 | if ((data->type != w83782d) |
1da177e4 LT |
1527 | && (data->type != w83627hf) && (i == 6)) |
1528 | break; | |
1529 | } | |
1530 | for (i = 1; i <= 3; i++) { | |
1531 | data->fan[i - 1] = | |
1532 | w83781d_read_value(client, W83781D_REG_FAN(i)); | |
1533 | data->fan_min[i - 1] = | |
1534 | w83781d_read_value(client, W83781D_REG_FAN_MIN(i)); | |
1535 | } | |
1536 | if (data->type != w83781d && data->type != as99127f) { | |
1537 | for (i = 1; i <= 4; i++) { | |
1538 | data->pwm[i - 1] = | |
1539 | w83781d_read_value(client, | |
1540 | W83781D_REG_PWM(i)); | |
1541 | if ((data->type != w83782d | |
1542 | || i2c_is_isa_client(client)) | |
1543 | && i == 2) | |
1544 | break; | |
1545 | } | |
1546 | /* Only PWM2 can be disabled */ | |
1547 | data->pwmenable[1] = (w83781d_read_value(client, | |
1548 | W83781D_REG_PWMCLK12) & 0x08) >> 3; | |
1549 | } | |
1550 | ||
1551 | data->temp = w83781d_read_value(client, W83781D_REG_TEMP(1)); | |
1552 | data->temp_max = | |
1553 | w83781d_read_value(client, W83781D_REG_TEMP_OVER(1)); | |
1554 | data->temp_max_hyst = | |
1555 | w83781d_read_value(client, W83781D_REG_TEMP_HYST(1)); | |
1556 | data->temp_add[0] = | |
1557 | w83781d_read_value(client, W83781D_REG_TEMP(2)); | |
1558 | data->temp_max_add[0] = | |
1559 | w83781d_read_value(client, W83781D_REG_TEMP_OVER(2)); | |
1560 | data->temp_max_hyst_add[0] = | |
1561 | w83781d_read_value(client, W83781D_REG_TEMP_HYST(2)); | |
7c7a5304 | 1562 | if (data->type != w83783s) { |
1da177e4 LT |
1563 | data->temp_add[1] = |
1564 | w83781d_read_value(client, W83781D_REG_TEMP(3)); | |
1565 | data->temp_max_add[1] = | |
1566 | w83781d_read_value(client, | |
1567 | W83781D_REG_TEMP_OVER(3)); | |
1568 | data->temp_max_hyst_add[1] = | |
1569 | w83781d_read_value(client, | |
1570 | W83781D_REG_TEMP_HYST(3)); | |
1571 | } | |
1572 | i = w83781d_read_value(client, W83781D_REG_VID_FANDIV); | |
7c7a5304 JD |
1573 | data->vid = i & 0x0f; |
1574 | data->vid |= (w83781d_read_value(client, | |
1575 | W83781D_REG_CHIPID) & 0x01) << 4; | |
1da177e4 LT |
1576 | data->fan_div[0] = (i >> 4) & 0x03; |
1577 | data->fan_div[1] = (i >> 6) & 0x03; | |
7c7a5304 JD |
1578 | data->fan_div[2] = (w83781d_read_value(client, |
1579 | W83781D_REG_PIN) >> 6) & 0x03; | |
1da177e4 LT |
1580 | if ((data->type != w83781d) && (data->type != as99127f)) { |
1581 | i = w83781d_read_value(client, W83781D_REG_VBAT); | |
1582 | data->fan_div[0] |= (i >> 3) & 0x04; | |
1583 | data->fan_div[1] |= (i >> 4) & 0x04; | |
7c7a5304 | 1584 | data->fan_div[2] |= (i >> 5) & 0x04; |
1da177e4 LT |
1585 | } |
1586 | data->alarms = | |
1587 | w83781d_read_value(client, | |
1588 | W83781D_REG_ALARM1) + | |
1589 | (w83781d_read_value(client, W83781D_REG_ALARM2) << 8); | |
1590 | if ((data->type == w83782d) || (data->type == w83627hf)) { | |
1591 | data->alarms |= | |
1592 | w83781d_read_value(client, | |
1593 | W83781D_REG_ALARM3) << 16; | |
1594 | } | |
1595 | i = w83781d_read_value(client, W83781D_REG_BEEP_INTS2); | |
1596 | data->beep_enable = i >> 7; | |
1597 | data->beep_mask = ((i & 0x7f) << 8) + | |
1598 | w83781d_read_value(client, W83781D_REG_BEEP_INTS1); | |
1599 | if ((data->type != w83781d) && (data->type != as99127f)) { | |
1600 | data->beep_mask |= | |
1601 | w83781d_read_value(client, | |
1602 | W83781D_REG_BEEP_INTS3) << 16; | |
1603 | } | |
1604 | data->last_updated = jiffies; | |
1605 | data->valid = 1; | |
1606 | } | |
1607 | ||
1608 | up(&data->update_lock); | |
1609 | ||
1610 | return data; | |
1611 | } | |
1612 | ||
1613 | static int __init | |
1614 | sensors_w83781d_init(void) | |
1615 | { | |
1616 | return i2c_add_driver(&w83781d_driver); | |
1617 | } | |
1618 | ||
1619 | static void __exit | |
1620 | sensors_w83781d_exit(void) | |
1621 | { | |
1622 | i2c_del_driver(&w83781d_driver); | |
1623 | } | |
1624 | ||
1625 | MODULE_AUTHOR("Frodo Looijaard <frodol@dds.nl>, " | |
1626 | "Philip Edelbrock <phil@netroedge.com>, " | |
1627 | "and Mark Studebaker <mdsxyz123@yahoo.com>"); | |
1628 | MODULE_DESCRIPTION("W83781D driver"); | |
1629 | MODULE_LICENSE("GPL"); | |
1630 | ||
1631 | module_init(sensors_w83781d_init); | |
1632 | module_exit(sensors_w83781d_exit); |