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>, | |
7666c13c JD |
5 | Philip Edelbrock <phil@netroedge.com>, |
6 | and Mark Studebaker <mdsxyz123@yahoo.com> | |
7 | Copyright (c) 2007 Jean Delvare <khali@linux-fr.org> | |
1da177e4 LT |
8 | |
9 | This program is free software; you can redistribute it and/or modify | |
10 | it under the terms of the GNU General Public License as published by | |
11 | the Free Software Foundation; either version 2 of the License, or | |
12 | (at your option) any later version. | |
13 | ||
14 | This program is distributed in the hope that it will be useful, | |
15 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
17 | GNU General Public License for more details. | |
18 | ||
19 | You should have received a copy of the GNU General Public License | |
20 | along with this program; if not, write to the Free Software | |
21 | Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. | |
22 | */ | |
23 | ||
24 | /* | |
25 | Supports following chips: | |
26 | ||
27 | Chip #vin #fanin #pwm #temp wchipid vendid i2c ISA | |
28 | as99127f 7 3 0 3 0x31 0x12c3 yes no | |
29 | as99127f rev.2 (type_name = as99127f) 0x31 0x5ca3 yes no | |
30 | w83781d 7 3 0 3 0x10-1 0x5ca3 yes yes | |
31 | w83627hf 9 3 2 3 0x21 0x5ca3 yes yes(LPC) | |
1da177e4 LT |
32 | w83782d 9 3 2-4 3 0x30 0x5ca3 yes yes |
33 | w83783s 5-6 3 2 1-2 0x40 0x5ca3 yes no | |
1da177e4 LT |
34 | |
35 | */ | |
36 | ||
1da177e4 LT |
37 | #include <linux/module.h> |
38 | #include <linux/init.h> | |
39 | #include <linux/slab.h> | |
40 | #include <linux/jiffies.h> | |
41 | #include <linux/i2c.h> | |
7666c13c JD |
42 | #include <linux/platform_device.h> |
43 | #include <linux/ioport.h> | |
943b0830 | 44 | #include <linux/hwmon.h> |
303760b4 | 45 | #include <linux/hwmon-vid.h> |
34875337 | 46 | #include <linux/hwmon-sysfs.h> |
311ce2ef | 47 | #include <linux/sysfs.h> |
943b0830 | 48 | #include <linux/err.h> |
9a61bf63 | 49 | #include <linux/mutex.h> |
1da177e4 LT |
50 | #include <asm/io.h> |
51 | #include "lm75.h" | |
52 | ||
7666c13c JD |
53 | /* ISA device, if found */ |
54 | static struct platform_device *pdev; | |
55 | ||
1da177e4 | 56 | /* Addresses to scan */ |
6722fead JD |
57 | static unsigned short normal_i2c[] = { 0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, |
58 | 0x2e, 0x2f, I2C_CLIENT_END }; | |
2d8672c5 | 59 | static unsigned short isa_address = 0x290; |
1da177e4 LT |
60 | |
61 | /* Insmod parameters */ | |
f4b50261 | 62 | I2C_CLIENT_INSMOD_5(w83781d, w83782d, w83783s, w83627hf, as99127f); |
1da177e4 LT |
63 | I2C_CLIENT_MODULE_PARM(force_subclients, "List of subclient addresses: " |
64 | "{bus, clientaddr, subclientaddr1, subclientaddr2}"); | |
65 | ||
fabddcd4 JD |
66 | static int reset; |
67 | module_param(reset, bool, 0); | |
68 | MODULE_PARM_DESC(reset, "Set to one to reset chip on load"); | |
69 | ||
1da177e4 LT |
70 | static int init = 1; |
71 | module_param(init, bool, 0); | |
72 | MODULE_PARM_DESC(init, "Set to zero to bypass chip initialization"); | |
73 | ||
74 | /* Constants specified below */ | |
75 | ||
76 | /* Length of ISA address segment */ | |
77 | #define W83781D_EXTENT 8 | |
78 | ||
79 | /* Where are the ISA address/data registers relative to the base address */ | |
80 | #define W83781D_ADDR_REG_OFFSET 5 | |
81 | #define W83781D_DATA_REG_OFFSET 6 | |
82 | ||
34875337 JD |
83 | /* The device registers */ |
84 | /* in nr from 0 to 8 */ | |
1da177e4 LT |
85 | #define W83781D_REG_IN_MAX(nr) ((nr < 7) ? (0x2b + (nr) * 2) : \ |
86 | (0x554 + (((nr) - 7) * 2))) | |
87 | #define W83781D_REG_IN_MIN(nr) ((nr < 7) ? (0x2c + (nr) * 2) : \ | |
88 | (0x555 + (((nr) - 7) * 2))) | |
89 | #define W83781D_REG_IN(nr) ((nr < 7) ? (0x20 + (nr)) : \ | |
90 | (0x550 + (nr) - 7)) | |
91 | ||
34875337 JD |
92 | /* fan nr from 0 to 2 */ |
93 | #define W83781D_REG_FAN_MIN(nr) (0x3b + (nr)) | |
94 | #define W83781D_REG_FAN(nr) (0x28 + (nr)) | |
1da177e4 LT |
95 | |
96 | #define W83781D_REG_BANK 0x4E | |
97 | #define W83781D_REG_TEMP2_CONFIG 0x152 | |
98 | #define W83781D_REG_TEMP3_CONFIG 0x252 | |
34875337 | 99 | /* temp nr from 1 to 3 */ |
1da177e4 LT |
100 | #define W83781D_REG_TEMP(nr) ((nr == 3) ? (0x0250) : \ |
101 | ((nr == 2) ? (0x0150) : \ | |
102 | (0x27))) | |
103 | #define W83781D_REG_TEMP_HYST(nr) ((nr == 3) ? (0x253) : \ | |
104 | ((nr == 2) ? (0x153) : \ | |
105 | (0x3A))) | |
106 | #define W83781D_REG_TEMP_OVER(nr) ((nr == 3) ? (0x255) : \ | |
107 | ((nr == 2) ? (0x155) : \ | |
108 | (0x39))) | |
109 | ||
110 | #define W83781D_REG_CONFIG 0x40 | |
c7f5d7ed JD |
111 | |
112 | /* Interrupt status (W83781D, AS99127F) */ | |
1da177e4 LT |
113 | #define W83781D_REG_ALARM1 0x41 |
114 | #define W83781D_REG_ALARM2 0x42 | |
1da177e4 | 115 | |
c7f5d7ed JD |
116 | /* Real-time status (W83782D, W83783S, W83627HF) */ |
117 | #define W83782D_REG_ALARM1 0x459 | |
118 | #define W83782D_REG_ALARM2 0x45A | |
119 | #define W83782D_REG_ALARM3 0x45B | |
120 | ||
1da177e4 LT |
121 | #define W83781D_REG_BEEP_CONFIG 0x4D |
122 | #define W83781D_REG_BEEP_INTS1 0x56 | |
123 | #define W83781D_REG_BEEP_INTS2 0x57 | |
124 | #define W83781D_REG_BEEP_INTS3 0x453 /* not on W83781D */ | |
125 | ||
126 | #define W83781D_REG_VID_FANDIV 0x47 | |
127 | ||
128 | #define W83781D_REG_CHIPID 0x49 | |
129 | #define W83781D_REG_WCHIPID 0x58 | |
130 | #define W83781D_REG_CHIPMAN 0x4F | |
131 | #define W83781D_REG_PIN 0x4B | |
132 | ||
133 | /* 782D/783S only */ | |
134 | #define W83781D_REG_VBAT 0x5D | |
135 | ||
136 | /* PWM 782D (1-4) and 783S (1-2) only */ | |
34875337 | 137 | static const u8 W83781D_REG_PWM[] = { 0x5B, 0x5A, 0x5E, 0x5F }; |
1da177e4 LT |
138 | #define W83781D_REG_PWMCLK12 0x5C |
139 | #define W83781D_REG_PWMCLK34 0x45C | |
1da177e4 LT |
140 | |
141 | #define W83781D_REG_I2C_ADDR 0x48 | |
142 | #define W83781D_REG_I2C_SUBADDR 0x4A | |
143 | ||
144 | /* The following are undocumented in the data sheets however we | |
145 | received the information in an email from Winbond tech support */ | |
146 | /* Sensor selection - not on 781d */ | |
147 | #define W83781D_REG_SCFG1 0x5D | |
148 | static const u8 BIT_SCFG1[] = { 0x02, 0x04, 0x08 }; | |
149 | ||
150 | #define W83781D_REG_SCFG2 0x59 | |
151 | static const u8 BIT_SCFG2[] = { 0x10, 0x20, 0x40 }; | |
152 | ||
153 | #define W83781D_DEFAULT_BETA 3435 | |
154 | ||
155 | /* RT Table registers */ | |
156 | #define W83781D_REG_RT_IDX 0x50 | |
157 | #define W83781D_REG_RT_VAL 0x51 | |
158 | ||
474d00a8 JD |
159 | /* Conversions */ |
160 | #define IN_TO_REG(val) SENSORS_LIMIT(((val) + 8) / 16, 0, 255) | |
161 | #define IN_FROM_REG(val) ((val) * 16) | |
1da177e4 LT |
162 | |
163 | static inline u8 | |
164 | FAN_TO_REG(long rpm, int div) | |
165 | { | |
166 | if (rpm == 0) | |
167 | return 255; | |
168 | rpm = SENSORS_LIMIT(rpm, 1, 1000000); | |
169 | return SENSORS_LIMIT((1350000 + rpm * div / 2) / (rpm * div), 1, 254); | |
170 | } | |
171 | ||
474d00a8 JD |
172 | static inline long |
173 | FAN_FROM_REG(u8 val, int div) | |
174 | { | |
175 | if (val == 0) | |
176 | return -1; | |
177 | if (val == 255) | |
178 | return 0; | |
179 | return 1350000 / (val * div); | |
180 | } | |
1da177e4 | 181 | |
474d00a8 JD |
182 | #define TEMP_TO_REG(val) SENSORS_LIMIT((val) / 1000, -127, 128) |
183 | #define TEMP_FROM_REG(val) ((val) * 1000) | |
1da177e4 | 184 | |
1da177e4 LT |
185 | #define BEEP_MASK_FROM_REG(val,type) ((type) == as99127f ? \ |
186 | (val) ^ 0x7fff : (val)) | |
187 | #define BEEP_MASK_TO_REG(val,type) ((type) == as99127f ? \ | |
188 | (~(val)) & 0x7fff : (val) & 0xffffff) | |
189 | ||
1da177e4 LT |
190 | #define DIV_FROM_REG(val) (1 << (val)) |
191 | ||
192 | static inline u8 | |
193 | DIV_TO_REG(long val, enum chips type) | |
194 | { | |
195 | int i; | |
196 | val = SENSORS_LIMIT(val, 1, | |
197 | ((type == w83781d | |
198 | || type == as99127f) ? 8 : 128)) >> 1; | |
abc01922 | 199 | for (i = 0; i < 7; i++) { |
1da177e4 LT |
200 | if (val == 0) |
201 | break; | |
202 | val >>= 1; | |
203 | } | |
474d00a8 | 204 | return i; |
1da177e4 LT |
205 | } |
206 | ||
207 | /* There are some complications in a module like this. First off, W83781D chips | |
208 | may be both present on the SMBus and the ISA bus, and we have to handle | |
209 | those cases separately at some places. Second, there might be several | |
210 | W83781D chips available (well, actually, that is probably never done; but | |
211 | it is a clean illustration of how to handle a case like that). Finally, | |
212 | a specific chip may be attached to *both* ISA and SMBus, and we would | |
213 | not like to detect it double. Fortunately, in the case of the W83781D at | |
214 | least, a register tells us what SMBus address we are on, so that helps | |
215 | a bit - except if there could be more than one SMBus. Groan. No solution | |
216 | for this yet. */ | |
217 | ||
7666c13c JD |
218 | /* For ISA chips, we abuse the i2c_client addr and name fields. We also use |
219 | the driver field to differentiate between I2C and ISA chips. */ | |
1da177e4 LT |
220 | struct w83781d_data { |
221 | struct i2c_client client; | |
1beeffe4 | 222 | struct device *hwmon_dev; |
9a61bf63 | 223 | struct mutex lock; |
1da177e4 LT |
224 | enum chips type; |
225 | ||
9a61bf63 | 226 | struct mutex update_lock; |
1da177e4 LT |
227 | char valid; /* !=0 if following fields are valid */ |
228 | unsigned long last_updated; /* In jiffies */ | |
229 | ||
230 | struct i2c_client *lm75[2]; /* for secondary I2C addresses */ | |
231 | /* array of 2 pointers to subclients */ | |
232 | ||
233 | u8 in[9]; /* Register value - 8 & 9 for 782D only */ | |
234 | u8 in_max[9]; /* Register value - 8 & 9 for 782D only */ | |
235 | u8 in_min[9]; /* Register value - 8 & 9 for 782D only */ | |
236 | u8 fan[3]; /* Register value */ | |
237 | u8 fan_min[3]; /* Register value */ | |
474d00a8 JD |
238 | s8 temp; /* Register value */ |
239 | s8 temp_max; /* Register value */ | |
240 | s8 temp_max_hyst; /* Register value */ | |
1da177e4 LT |
241 | u16 temp_add[2]; /* Register value */ |
242 | u16 temp_max_add[2]; /* Register value */ | |
243 | u16 temp_max_hyst_add[2]; /* Register value */ | |
244 | u8 fan_div[3]; /* Register encoding, shifted right */ | |
245 | u8 vid; /* Register encoding, combined */ | |
246 | u32 alarms; /* Register encoding, combined */ | |
247 | u32 beep_mask; /* Register encoding, combined */ | |
248 | u8 beep_enable; /* Boolean */ | |
249 | u8 pwm[4]; /* Register value */ | |
34875337 | 250 | u8 pwm2_enable; /* Boolean */ |
1da177e4 LT |
251 | u16 sens[3]; /* 782D/783S only. |
252 | 1 = pentium diode; 2 = 3904 diode; | |
b26f9330 | 253 | 4 = thermistor */ |
1da177e4 LT |
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 | ||
7666c13c JD |
261 | static int __devinit w83781d_isa_probe(struct platform_device *pdev); |
262 | static int __devexit w83781d_isa_remove(struct platform_device *pdev); | |
263 | ||
31b8dc4d JD |
264 | static int w83781d_read_value(struct w83781d_data *data, u16 reg); |
265 | static int w83781d_write_value(struct w83781d_data *data, u16 reg, u16 value); | |
1da177e4 | 266 | static struct w83781d_data *w83781d_update_device(struct device *dev); |
7666c13c | 267 | static void w83781d_init_device(struct device *dev); |
1da177e4 LT |
268 | |
269 | static struct i2c_driver w83781d_driver = { | |
cdaf7934 | 270 | .driver = { |
cdaf7934 LR |
271 | .name = "w83781d", |
272 | }, | |
1da177e4 | 273 | .id = I2C_DRIVERID_W83781D, |
1da177e4 LT |
274 | .attach_adapter = w83781d_attach_adapter, |
275 | .detach_client = w83781d_detach_client, | |
276 | }; | |
277 | ||
7666c13c | 278 | static struct platform_driver w83781d_isa_driver = { |
cdaf7934 | 279 | .driver = { |
87218842 | 280 | .owner = THIS_MODULE, |
7666c13c | 281 | .name = "w83781d", |
cdaf7934 | 282 | }, |
7666c13c JD |
283 | .probe = w83781d_isa_probe, |
284 | .remove = w83781d_isa_remove, | |
fde09509 JD |
285 | }; |
286 | ||
287 | ||
1da177e4 LT |
288 | /* following are the sysfs callback functions */ |
289 | #define show_in_reg(reg) \ | |
34875337 JD |
290 | static ssize_t show_##reg (struct device *dev, struct device_attribute *da, \ |
291 | char *buf) \ | |
1da177e4 | 292 | { \ |
34875337 | 293 | struct sensor_device_attribute *attr = to_sensor_dev_attr(da); \ |
1da177e4 | 294 | struct w83781d_data *data = w83781d_update_device(dev); \ |
34875337 JD |
295 | return sprintf(buf, "%ld\n", \ |
296 | (long)IN_FROM_REG(data->reg[attr->index])); \ | |
1da177e4 LT |
297 | } |
298 | show_in_reg(in); | |
299 | show_in_reg(in_min); | |
300 | show_in_reg(in_max); | |
301 | ||
302 | #define store_in_reg(REG, reg) \ | |
34875337 JD |
303 | static ssize_t store_in_##reg (struct device *dev, struct device_attribute \ |
304 | *da, const char *buf, size_t count) \ | |
1da177e4 | 305 | { \ |
34875337 | 306 | struct sensor_device_attribute *attr = to_sensor_dev_attr(da); \ |
7666c13c | 307 | struct w83781d_data *data = dev_get_drvdata(dev); \ |
34875337 | 308 | int nr = attr->index; \ |
1da177e4 LT |
309 | u32 val; \ |
310 | \ | |
474d00a8 | 311 | val = simple_strtoul(buf, NULL, 10); \ |
1da177e4 | 312 | \ |
9a61bf63 | 313 | mutex_lock(&data->update_lock); \ |
1da177e4 | 314 | data->in_##reg[nr] = IN_TO_REG(val); \ |
31b8dc4d | 315 | w83781d_write_value(data, W83781D_REG_IN_##REG(nr), data->in_##reg[nr]); \ |
1da177e4 | 316 | \ |
9a61bf63 | 317 | mutex_unlock(&data->update_lock); \ |
1da177e4 LT |
318 | return count; \ |
319 | } | |
320 | store_in_reg(MIN, min); | |
321 | store_in_reg(MAX, max); | |
322 | ||
1da177e4 | 323 | #define sysfs_in_offsets(offset) \ |
34875337 JD |
324 | static SENSOR_DEVICE_ATTR(in##offset##_input, S_IRUGO, \ |
325 | show_in, NULL, offset); \ | |
326 | static SENSOR_DEVICE_ATTR(in##offset##_min, S_IRUGO | S_IWUSR, \ | |
327 | show_in_min, store_in_min, offset); \ | |
328 | static SENSOR_DEVICE_ATTR(in##offset##_max, S_IRUGO | S_IWUSR, \ | |
329 | show_in_max, store_in_max, offset) | |
1da177e4 LT |
330 | |
331 | sysfs_in_offsets(0); | |
332 | sysfs_in_offsets(1); | |
333 | sysfs_in_offsets(2); | |
334 | sysfs_in_offsets(3); | |
335 | sysfs_in_offsets(4); | |
336 | sysfs_in_offsets(5); | |
337 | sysfs_in_offsets(6); | |
338 | sysfs_in_offsets(7); | |
339 | sysfs_in_offsets(8); | |
340 | ||
1da177e4 | 341 | #define show_fan_reg(reg) \ |
34875337 JD |
342 | static ssize_t show_##reg (struct device *dev, struct device_attribute *da, \ |
343 | char *buf) \ | |
1da177e4 | 344 | { \ |
34875337 | 345 | struct sensor_device_attribute *attr = to_sensor_dev_attr(da); \ |
1da177e4 LT |
346 | struct w83781d_data *data = w83781d_update_device(dev); \ |
347 | return sprintf(buf,"%ld\n", \ | |
34875337 JD |
348 | FAN_FROM_REG(data->reg[attr->index], \ |
349 | DIV_FROM_REG(data->fan_div[attr->index]))); \ | |
1da177e4 LT |
350 | } |
351 | show_fan_reg(fan); | |
352 | show_fan_reg(fan_min); | |
353 | ||
354 | static ssize_t | |
34875337 JD |
355 | store_fan_min(struct device *dev, struct device_attribute *da, |
356 | const char *buf, size_t count) | |
1da177e4 | 357 | { |
34875337 | 358 | struct sensor_device_attribute *attr = to_sensor_dev_attr(da); |
7666c13c | 359 | struct w83781d_data *data = dev_get_drvdata(dev); |
34875337 | 360 | int nr = attr->index; |
1da177e4 LT |
361 | u32 val; |
362 | ||
363 | val = simple_strtoul(buf, NULL, 10); | |
364 | ||
9a61bf63 | 365 | mutex_lock(&data->update_lock); |
34875337 JD |
366 | data->fan_min[nr] = |
367 | FAN_TO_REG(val, DIV_FROM_REG(data->fan_div[nr])); | |
31b8dc4d | 368 | w83781d_write_value(data, W83781D_REG_FAN_MIN(nr), |
34875337 | 369 | data->fan_min[nr]); |
1da177e4 | 370 | |
9a61bf63 | 371 | mutex_unlock(&data->update_lock); |
1da177e4 LT |
372 | return count; |
373 | } | |
374 | ||
34875337 JD |
375 | static SENSOR_DEVICE_ATTR(fan1_input, S_IRUGO, show_fan, NULL, 0); |
376 | static SENSOR_DEVICE_ATTR(fan1_min, S_IRUGO | S_IWUSR, | |
377 | show_fan_min, store_fan_min, 0); | |
378 | static SENSOR_DEVICE_ATTR(fan2_input, S_IRUGO, show_fan, NULL, 1); | |
379 | static SENSOR_DEVICE_ATTR(fan2_min, S_IRUGO | S_IWUSR, | |
380 | show_fan_min, store_fan_min, 1); | |
381 | static SENSOR_DEVICE_ATTR(fan3_input, S_IRUGO, show_fan, NULL, 2); | |
382 | static SENSOR_DEVICE_ATTR(fan3_min, S_IRUGO | S_IWUSR, | |
383 | show_fan_min, store_fan_min, 2); | |
1da177e4 | 384 | |
1da177e4 | 385 | #define show_temp_reg(reg) \ |
34875337 JD |
386 | static ssize_t show_##reg (struct device *dev, struct device_attribute *da, \ |
387 | char *buf) \ | |
1da177e4 | 388 | { \ |
34875337 | 389 | struct sensor_device_attribute *attr = to_sensor_dev_attr(da); \ |
1da177e4 | 390 | struct w83781d_data *data = w83781d_update_device(dev); \ |
34875337 | 391 | int nr = attr->index; \ |
1da177e4 LT |
392 | if (nr >= 2) { /* TEMP2 and TEMP3 */ \ |
393 | return sprintf(buf,"%d\n", \ | |
394 | LM75_TEMP_FROM_REG(data->reg##_add[nr-2])); \ | |
395 | } else { /* TEMP1 */ \ | |
396 | return sprintf(buf,"%ld\n", (long)TEMP_FROM_REG(data->reg)); \ | |
397 | } \ | |
398 | } | |
399 | show_temp_reg(temp); | |
400 | show_temp_reg(temp_max); | |
401 | show_temp_reg(temp_max_hyst); | |
402 | ||
403 | #define store_temp_reg(REG, reg) \ | |
34875337 JD |
404 | static ssize_t store_temp_##reg (struct device *dev, \ |
405 | struct device_attribute *da, const char *buf, size_t count) \ | |
1da177e4 | 406 | { \ |
34875337 | 407 | struct sensor_device_attribute *attr = to_sensor_dev_attr(da); \ |
7666c13c | 408 | struct w83781d_data *data = dev_get_drvdata(dev); \ |
34875337 | 409 | int nr = attr->index; \ |
5bfedac0 | 410 | long val; \ |
1da177e4 LT |
411 | \ |
412 | val = simple_strtol(buf, NULL, 10); \ | |
413 | \ | |
9a61bf63 | 414 | mutex_lock(&data->update_lock); \ |
1da177e4 LT |
415 | \ |
416 | if (nr >= 2) { /* TEMP2 and TEMP3 */ \ | |
417 | data->temp_##reg##_add[nr-2] = LM75_TEMP_TO_REG(val); \ | |
31b8dc4d | 418 | w83781d_write_value(data, W83781D_REG_TEMP_##REG(nr), \ |
1da177e4 LT |
419 | data->temp_##reg##_add[nr-2]); \ |
420 | } else { /* TEMP1 */ \ | |
421 | data->temp_##reg = TEMP_TO_REG(val); \ | |
31b8dc4d | 422 | w83781d_write_value(data, W83781D_REG_TEMP_##REG(nr), \ |
1da177e4 LT |
423 | data->temp_##reg); \ |
424 | } \ | |
425 | \ | |
9a61bf63 | 426 | mutex_unlock(&data->update_lock); \ |
1da177e4 LT |
427 | return count; \ |
428 | } | |
429 | store_temp_reg(OVER, max); | |
430 | store_temp_reg(HYST, max_hyst); | |
431 | ||
1da177e4 | 432 | #define sysfs_temp_offsets(offset) \ |
34875337 JD |
433 | static SENSOR_DEVICE_ATTR(temp##offset##_input, S_IRUGO, \ |
434 | show_temp, NULL, offset); \ | |
435 | static SENSOR_DEVICE_ATTR(temp##offset##_max, S_IRUGO | S_IWUSR, \ | |
436 | show_temp_max, store_temp_max, offset); \ | |
437 | static SENSOR_DEVICE_ATTR(temp##offset##_max_hyst, S_IRUGO | S_IWUSR, \ | |
438 | show_temp_max_hyst, store_temp_max_hyst, offset); | |
1da177e4 LT |
439 | |
440 | sysfs_temp_offsets(1); | |
441 | sysfs_temp_offsets(2); | |
442 | sysfs_temp_offsets(3); | |
443 | ||
1da177e4 | 444 | static ssize_t |
e404e274 | 445 | show_vid_reg(struct device *dev, struct device_attribute *attr, char *buf) |
1da177e4 LT |
446 | { |
447 | struct w83781d_data *data = w83781d_update_device(dev); | |
448 | return sprintf(buf, "%ld\n", (long) vid_from_reg(data->vid, data->vrm)); | |
449 | } | |
450 | ||
311ce2ef JC |
451 | static DEVICE_ATTR(cpu0_vid, S_IRUGO, show_vid_reg, NULL); |
452 | ||
1da177e4 | 453 | static ssize_t |
e404e274 | 454 | show_vrm_reg(struct device *dev, struct device_attribute *attr, char *buf) |
1da177e4 | 455 | { |
90d6619a | 456 | struct w83781d_data *data = dev_get_drvdata(dev); |
1da177e4 LT |
457 | return sprintf(buf, "%ld\n", (long) data->vrm); |
458 | } | |
459 | ||
460 | static ssize_t | |
e404e274 | 461 | store_vrm_reg(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) |
1da177e4 | 462 | { |
7666c13c | 463 | struct w83781d_data *data = dev_get_drvdata(dev); |
1da177e4 LT |
464 | u32 val; |
465 | ||
466 | val = simple_strtoul(buf, NULL, 10); | |
467 | data->vrm = val; | |
468 | ||
469 | return count; | |
470 | } | |
471 | ||
311ce2ef JC |
472 | static DEVICE_ATTR(vrm, S_IRUGO | S_IWUSR, show_vrm_reg, store_vrm_reg); |
473 | ||
1da177e4 | 474 | static ssize_t |
e404e274 | 475 | show_alarms_reg(struct device *dev, struct device_attribute *attr, char *buf) |
1da177e4 LT |
476 | { |
477 | struct w83781d_data *data = w83781d_update_device(dev); | |
68188ba7 | 478 | return sprintf(buf, "%u\n", data->alarms); |
1da177e4 LT |
479 | } |
480 | ||
311ce2ef JC |
481 | static DEVICE_ATTR(alarms, S_IRUGO, show_alarms_reg, NULL); |
482 | ||
7d4a1374 JD |
483 | static ssize_t show_alarm(struct device *dev, struct device_attribute *attr, |
484 | char *buf) | |
485 | { | |
486 | struct w83781d_data *data = w83781d_update_device(dev); | |
487 | int bitnr = to_sensor_dev_attr(attr)->index; | |
488 | return sprintf(buf, "%u\n", (data->alarms >> bitnr) & 1); | |
489 | } | |
490 | ||
491 | /* The W83781D has a single alarm bit for temp2 and temp3 */ | |
492 | static ssize_t show_temp3_alarm(struct device *dev, | |
493 | struct device_attribute *attr, char *buf) | |
494 | { | |
495 | struct w83781d_data *data = w83781d_update_device(dev); | |
496 | int bitnr = (data->type == w83781d) ? 5 : 13; | |
497 | return sprintf(buf, "%u\n", (data->alarms >> bitnr) & 1); | |
498 | } | |
499 | ||
500 | static SENSOR_DEVICE_ATTR(in0_alarm, S_IRUGO, show_alarm, NULL, 0); | |
501 | static SENSOR_DEVICE_ATTR(in1_alarm, S_IRUGO, show_alarm, NULL, 1); | |
502 | static SENSOR_DEVICE_ATTR(in2_alarm, S_IRUGO, show_alarm, NULL, 2); | |
503 | static SENSOR_DEVICE_ATTR(in3_alarm, S_IRUGO, show_alarm, NULL, 3); | |
504 | static SENSOR_DEVICE_ATTR(in4_alarm, S_IRUGO, show_alarm, NULL, 8); | |
505 | static SENSOR_DEVICE_ATTR(in5_alarm, S_IRUGO, show_alarm, NULL, 9); | |
506 | static SENSOR_DEVICE_ATTR(in6_alarm, S_IRUGO, show_alarm, NULL, 10); | |
507 | static SENSOR_DEVICE_ATTR(in7_alarm, S_IRUGO, show_alarm, NULL, 16); | |
508 | static SENSOR_DEVICE_ATTR(in8_alarm, S_IRUGO, show_alarm, NULL, 17); | |
509 | static SENSOR_DEVICE_ATTR(fan1_alarm, S_IRUGO, show_alarm, NULL, 6); | |
510 | static SENSOR_DEVICE_ATTR(fan2_alarm, S_IRUGO, show_alarm, NULL, 7); | |
511 | static SENSOR_DEVICE_ATTR(fan3_alarm, S_IRUGO, show_alarm, NULL, 11); | |
512 | static SENSOR_DEVICE_ATTR(temp1_alarm, S_IRUGO, show_alarm, NULL, 4); | |
513 | static SENSOR_DEVICE_ATTR(temp2_alarm, S_IRUGO, show_alarm, NULL, 5); | |
514 | static SENSOR_DEVICE_ATTR(temp3_alarm, S_IRUGO, show_temp3_alarm, NULL, 0); | |
515 | ||
e404e274 | 516 | static ssize_t show_beep_mask (struct device *dev, struct device_attribute *attr, char *buf) |
1da177e4 LT |
517 | { |
518 | struct w83781d_data *data = w83781d_update_device(dev); | |
519 | return sprintf(buf, "%ld\n", | |
520 | (long)BEEP_MASK_FROM_REG(data->beep_mask, data->type)); | |
521 | } | |
e404e274 | 522 | static ssize_t show_beep_enable (struct device *dev, struct device_attribute *attr, char *buf) |
1da177e4 LT |
523 | { |
524 | struct w83781d_data *data = w83781d_update_device(dev); | |
474d00a8 | 525 | return sprintf(buf, "%ld\n", (long)data->beep_enable); |
1da177e4 LT |
526 | } |
527 | ||
1da177e4 | 528 | static ssize_t |
34875337 JD |
529 | store_beep_mask(struct device *dev, struct device_attribute *attr, |
530 | const char *buf, size_t count) | |
1da177e4 | 531 | { |
7666c13c | 532 | struct w83781d_data *data = dev_get_drvdata(dev); |
34875337 | 533 | u32 val; |
1da177e4 LT |
534 | |
535 | val = simple_strtoul(buf, NULL, 10); | |
536 | ||
9a61bf63 | 537 | mutex_lock(&data->update_lock); |
34875337 JD |
538 | data->beep_mask = BEEP_MASK_TO_REG(val, data->type); |
539 | w83781d_write_value(data, W83781D_REG_BEEP_INTS1, | |
540 | data->beep_mask & 0xff); | |
541 | w83781d_write_value(data, W83781D_REG_BEEP_INTS2, | |
542 | ((data->beep_mask >> 8) & 0x7f) | |
543 | | data->beep_enable << 7); | |
544 | if (data->type != w83781d && data->type != as99127f) { | |
545 | w83781d_write_value(data, W83781D_REG_BEEP_INTS3, | |
546 | ((data->beep_mask) >> 16) & 0xff); | |
547 | } | |
548 | mutex_unlock(&data->update_lock); | |
1da177e4 | 549 | |
34875337 JD |
550 | return count; |
551 | } | |
1da177e4 | 552 | |
34875337 JD |
553 | static ssize_t |
554 | store_beep_enable(struct device *dev, struct device_attribute *attr, | |
555 | const char *buf, size_t count) | |
556 | { | |
557 | struct w83781d_data *data = dev_get_drvdata(dev); | |
558 | u32 val; | |
1da177e4 | 559 | |
34875337 JD |
560 | val = simple_strtoul(buf, NULL, 10); |
561 | if (val != 0 && val != 1) | |
562 | return -EINVAL; | |
1da177e4 | 563 | |
34875337 JD |
564 | mutex_lock(&data->update_lock); |
565 | data->beep_enable = val; | |
566 | val = w83781d_read_value(data, W83781D_REG_BEEP_INTS2) & 0x7f; | |
567 | val |= data->beep_enable << 7; | |
568 | w83781d_write_value(data, W83781D_REG_BEEP_INTS2, val); | |
9a61bf63 | 569 | mutex_unlock(&data->update_lock); |
34875337 | 570 | |
1da177e4 LT |
571 | return count; |
572 | } | |
573 | ||
34875337 JD |
574 | static DEVICE_ATTR(beep_mask, S_IRUGO | S_IWUSR, |
575 | show_beep_mask, store_beep_mask); | |
576 | static DEVICE_ATTR(beep_enable, S_IRUGO | S_IWUSR, | |
577 | show_beep_enable, store_beep_enable); | |
1da177e4 | 578 | |
7d4a1374 JD |
579 | static ssize_t show_beep(struct device *dev, struct device_attribute *attr, |
580 | char *buf) | |
581 | { | |
582 | struct w83781d_data *data = w83781d_update_device(dev); | |
583 | int bitnr = to_sensor_dev_attr(attr)->index; | |
584 | return sprintf(buf, "%u\n", (data->beep_mask >> bitnr) & 1); | |
585 | } | |
586 | ||
587 | static ssize_t | |
588 | store_beep(struct device *dev, struct device_attribute *attr, | |
589 | const char *buf, size_t count) | |
590 | { | |
591 | struct w83781d_data *data = dev_get_drvdata(dev); | |
592 | int bitnr = to_sensor_dev_attr(attr)->index; | |
593 | unsigned long bit; | |
594 | u8 reg; | |
595 | ||
596 | bit = simple_strtoul(buf, NULL, 10); | |
597 | if (bit & ~1) | |
598 | return -EINVAL; | |
599 | ||
600 | mutex_lock(&data->update_lock); | |
601 | if (bit) | |
602 | data->beep_mask |= (1 << bitnr); | |
603 | else | |
604 | data->beep_mask &= ~(1 << bitnr); | |
605 | ||
606 | if (bitnr < 8) { | |
607 | reg = w83781d_read_value(data, W83781D_REG_BEEP_INTS1); | |
608 | if (bit) | |
609 | reg |= (1 << bitnr); | |
610 | else | |
611 | reg &= ~(1 << bitnr); | |
612 | w83781d_write_value(data, W83781D_REG_BEEP_INTS1, reg); | |
613 | } else if (bitnr < 16) { | |
614 | reg = w83781d_read_value(data, W83781D_REG_BEEP_INTS2); | |
615 | if (bit) | |
616 | reg |= (1 << (bitnr - 8)); | |
617 | else | |
618 | reg &= ~(1 << (bitnr - 8)); | |
619 | w83781d_write_value(data, W83781D_REG_BEEP_INTS2, reg); | |
620 | } else { | |
621 | reg = w83781d_read_value(data, W83781D_REG_BEEP_INTS3); | |
622 | if (bit) | |
623 | reg |= (1 << (bitnr - 16)); | |
624 | else | |
625 | reg &= ~(1 << (bitnr - 16)); | |
626 | w83781d_write_value(data, W83781D_REG_BEEP_INTS3, reg); | |
627 | } | |
628 | mutex_unlock(&data->update_lock); | |
629 | ||
630 | return count; | |
631 | } | |
632 | ||
633 | /* The W83781D has a single beep bit for temp2 and temp3 */ | |
634 | static ssize_t show_temp3_beep(struct device *dev, | |
635 | struct device_attribute *attr, char *buf) | |
636 | { | |
637 | struct w83781d_data *data = w83781d_update_device(dev); | |
638 | int bitnr = (data->type == w83781d) ? 5 : 13; | |
639 | return sprintf(buf, "%u\n", (data->beep_mask >> bitnr) & 1); | |
640 | } | |
641 | ||
642 | static SENSOR_DEVICE_ATTR(in0_beep, S_IRUGO | S_IWUSR, | |
643 | show_beep, store_beep, 0); | |
644 | static SENSOR_DEVICE_ATTR(in1_beep, S_IRUGO | S_IWUSR, | |
645 | show_beep, store_beep, 1); | |
646 | static SENSOR_DEVICE_ATTR(in2_beep, S_IRUGO | S_IWUSR, | |
647 | show_beep, store_beep, 2); | |
648 | static SENSOR_DEVICE_ATTR(in3_beep, S_IRUGO | S_IWUSR, | |
649 | show_beep, store_beep, 3); | |
650 | static SENSOR_DEVICE_ATTR(in4_beep, S_IRUGO | S_IWUSR, | |
651 | show_beep, store_beep, 8); | |
652 | static SENSOR_DEVICE_ATTR(in5_beep, S_IRUGO | S_IWUSR, | |
653 | show_beep, store_beep, 9); | |
654 | static SENSOR_DEVICE_ATTR(in6_beep, S_IRUGO | S_IWUSR, | |
655 | show_beep, store_beep, 10); | |
656 | static SENSOR_DEVICE_ATTR(in7_beep, S_IRUGO | S_IWUSR, | |
657 | show_beep, store_beep, 16); | |
658 | static SENSOR_DEVICE_ATTR(in8_beep, S_IRUGO | S_IWUSR, | |
659 | show_beep, store_beep, 17); | |
660 | static SENSOR_DEVICE_ATTR(fan1_beep, S_IRUGO | S_IWUSR, | |
661 | show_beep, store_beep, 6); | |
662 | static SENSOR_DEVICE_ATTR(fan2_beep, S_IRUGO | S_IWUSR, | |
663 | show_beep, store_beep, 7); | |
664 | static SENSOR_DEVICE_ATTR(fan3_beep, S_IRUGO | S_IWUSR, | |
665 | show_beep, store_beep, 11); | |
666 | static SENSOR_DEVICE_ATTR(temp1_beep, S_IRUGO | S_IWUSR, | |
667 | show_beep, store_beep, 4); | |
668 | static SENSOR_DEVICE_ATTR(temp2_beep, S_IRUGO | S_IWUSR, | |
669 | show_beep, store_beep, 5); | |
670 | static SENSOR_DEVICE_ATTR(temp3_beep, S_IRUGO, | |
671 | show_temp3_beep, store_beep, 13); | |
672 | ||
1da177e4 | 673 | static ssize_t |
34875337 | 674 | show_fan_div(struct device *dev, struct device_attribute *da, char *buf) |
1da177e4 | 675 | { |
34875337 | 676 | struct sensor_device_attribute *attr = to_sensor_dev_attr(da); |
1da177e4 LT |
677 | struct w83781d_data *data = w83781d_update_device(dev); |
678 | return sprintf(buf, "%ld\n", | |
34875337 | 679 | (long) DIV_FROM_REG(data->fan_div[attr->index])); |
1da177e4 LT |
680 | } |
681 | ||
682 | /* Note: we save and restore the fan minimum here, because its value is | |
683 | determined in part by the fan divisor. This follows the principle of | |
d6e05edc | 684 | least surprise; the user doesn't expect the fan minimum to change just |
1da177e4 LT |
685 | because the divisor changed. */ |
686 | static ssize_t | |
34875337 JD |
687 | store_fan_div(struct device *dev, struct device_attribute *da, |
688 | const char *buf, size_t count) | |
1da177e4 | 689 | { |
34875337 | 690 | struct sensor_device_attribute *attr = to_sensor_dev_attr(da); |
7666c13c | 691 | struct w83781d_data *data = dev_get_drvdata(dev); |
1da177e4 | 692 | unsigned long min; |
34875337 | 693 | int nr = attr->index; |
1da177e4 LT |
694 | u8 reg; |
695 | unsigned long val = simple_strtoul(buf, NULL, 10); | |
696 | ||
9a61bf63 | 697 | mutex_lock(&data->update_lock); |
1da177e4 LT |
698 | |
699 | /* Save fan_min */ | |
700 | min = FAN_FROM_REG(data->fan_min[nr], | |
701 | DIV_FROM_REG(data->fan_div[nr])); | |
702 | ||
703 | data->fan_div[nr] = DIV_TO_REG(val, data->type); | |
704 | ||
31b8dc4d | 705 | reg = (w83781d_read_value(data, nr==2 ? W83781D_REG_PIN : W83781D_REG_VID_FANDIV) |
1da177e4 LT |
706 | & (nr==0 ? 0xcf : 0x3f)) |
707 | | ((data->fan_div[nr] & 0x03) << (nr==0 ? 4 : 6)); | |
31b8dc4d | 708 | w83781d_write_value(data, nr==2 ? W83781D_REG_PIN : W83781D_REG_VID_FANDIV, reg); |
1da177e4 LT |
709 | |
710 | /* w83781d and as99127f don't have extended divisor bits */ | |
711 | if (data->type != w83781d && data->type != as99127f) { | |
31b8dc4d | 712 | reg = (w83781d_read_value(data, W83781D_REG_VBAT) |
1da177e4 LT |
713 | & ~(1 << (5 + nr))) |
714 | | ((data->fan_div[nr] & 0x04) << (3 + nr)); | |
31b8dc4d | 715 | w83781d_write_value(data, W83781D_REG_VBAT, reg); |
1da177e4 LT |
716 | } |
717 | ||
718 | /* Restore fan_min */ | |
719 | data->fan_min[nr] = FAN_TO_REG(min, DIV_FROM_REG(data->fan_div[nr])); | |
34875337 | 720 | w83781d_write_value(data, W83781D_REG_FAN_MIN(nr), data->fan_min[nr]); |
1da177e4 | 721 | |
9a61bf63 | 722 | mutex_unlock(&data->update_lock); |
1da177e4 LT |
723 | return count; |
724 | } | |
725 | ||
34875337 JD |
726 | static SENSOR_DEVICE_ATTR(fan1_div, S_IRUGO | S_IWUSR, |
727 | show_fan_div, store_fan_div, 0); | |
728 | static SENSOR_DEVICE_ATTR(fan2_div, S_IRUGO | S_IWUSR, | |
729 | show_fan_div, store_fan_div, 1); | |
730 | static SENSOR_DEVICE_ATTR(fan3_div, S_IRUGO | S_IWUSR, | |
731 | show_fan_div, store_fan_div, 2); | |
1da177e4 | 732 | |
1da177e4 | 733 | static ssize_t |
34875337 | 734 | show_pwm(struct device *dev, struct device_attribute *da, char *buf) |
1da177e4 | 735 | { |
34875337 | 736 | struct sensor_device_attribute *attr = to_sensor_dev_attr(da); |
1da177e4 | 737 | struct w83781d_data *data = w83781d_update_device(dev); |
34875337 | 738 | return sprintf(buf, "%d\n", (int)data->pwm[attr->index]); |
1da177e4 LT |
739 | } |
740 | ||
741 | static ssize_t | |
34875337 | 742 | show_pwm2_enable(struct device *dev, struct device_attribute *da, char *buf) |
1da177e4 LT |
743 | { |
744 | struct w83781d_data *data = w83781d_update_device(dev); | |
34875337 | 745 | return sprintf(buf, "%d\n", (int)data->pwm2_enable); |
1da177e4 LT |
746 | } |
747 | ||
748 | static ssize_t | |
34875337 JD |
749 | store_pwm(struct device *dev, struct device_attribute *da, const char *buf, |
750 | size_t count) | |
1da177e4 | 751 | { |
34875337 | 752 | struct sensor_device_attribute *attr = to_sensor_dev_attr(da); |
7666c13c | 753 | struct w83781d_data *data = dev_get_drvdata(dev); |
34875337 | 754 | int nr = attr->index; |
1da177e4 LT |
755 | u32 val; |
756 | ||
757 | val = simple_strtoul(buf, NULL, 10); | |
758 | ||
9a61bf63 | 759 | mutex_lock(&data->update_lock); |
34875337 JD |
760 | data->pwm[nr] = SENSORS_LIMIT(val, 0, 255); |
761 | w83781d_write_value(data, W83781D_REG_PWM[nr], data->pwm[nr]); | |
9a61bf63 | 762 | mutex_unlock(&data->update_lock); |
1da177e4 LT |
763 | return count; |
764 | } | |
765 | ||
766 | static ssize_t | |
34875337 JD |
767 | store_pwm2_enable(struct device *dev, struct device_attribute *da, |
768 | const char *buf, size_t count) | |
1da177e4 | 769 | { |
7666c13c | 770 | struct w83781d_data *data = dev_get_drvdata(dev); |
1da177e4 LT |
771 | u32 val, reg; |
772 | ||
773 | val = simple_strtoul(buf, NULL, 10); | |
774 | ||
9a61bf63 | 775 | mutex_lock(&data->update_lock); |
1da177e4 LT |
776 | |
777 | switch (val) { | |
778 | case 0: | |
779 | case 1: | |
31b8dc4d JD |
780 | reg = w83781d_read_value(data, W83781D_REG_PWMCLK12); |
781 | w83781d_write_value(data, W83781D_REG_PWMCLK12, | |
1da177e4 LT |
782 | (reg & 0xf7) | (val << 3)); |
783 | ||
31b8dc4d JD |
784 | reg = w83781d_read_value(data, W83781D_REG_BEEP_CONFIG); |
785 | w83781d_write_value(data, W83781D_REG_BEEP_CONFIG, | |
1da177e4 LT |
786 | (reg & 0xef) | (!val << 4)); |
787 | ||
34875337 | 788 | data->pwm2_enable = val; |
1da177e4 LT |
789 | break; |
790 | ||
791 | default: | |
9a61bf63 | 792 | mutex_unlock(&data->update_lock); |
1da177e4 LT |
793 | return -EINVAL; |
794 | } | |
795 | ||
9a61bf63 | 796 | mutex_unlock(&data->update_lock); |
1da177e4 LT |
797 | return count; |
798 | } | |
799 | ||
34875337 JD |
800 | static SENSOR_DEVICE_ATTR(pwm1, S_IRUGO | S_IWUSR, show_pwm, store_pwm, 0); |
801 | static SENSOR_DEVICE_ATTR(pwm2, S_IRUGO | S_IWUSR, show_pwm, store_pwm, 1); | |
802 | static SENSOR_DEVICE_ATTR(pwm3, S_IRUGO | S_IWUSR, show_pwm, store_pwm, 2); | |
803 | static SENSOR_DEVICE_ATTR(pwm4, S_IRUGO | S_IWUSR, show_pwm, store_pwm, 3); | |
804 | /* only PWM2 can be enabled/disabled */ | |
805 | static DEVICE_ATTR(pwm2_enable, S_IRUGO | S_IWUSR, | |
806 | show_pwm2_enable, store_pwm2_enable); | |
1da177e4 | 807 | |
1da177e4 | 808 | static ssize_t |
34875337 | 809 | show_sensor(struct device *dev, struct device_attribute *da, char *buf) |
1da177e4 | 810 | { |
34875337 | 811 | struct sensor_device_attribute *attr = to_sensor_dev_attr(da); |
1da177e4 | 812 | struct w83781d_data *data = w83781d_update_device(dev); |
34875337 | 813 | return sprintf(buf, "%d\n", (int)data->sens[attr->index]); |
1da177e4 LT |
814 | } |
815 | ||
816 | static ssize_t | |
34875337 JD |
817 | store_sensor(struct device *dev, struct device_attribute *da, |
818 | const char *buf, size_t count) | |
1da177e4 | 819 | { |
34875337 | 820 | struct sensor_device_attribute *attr = to_sensor_dev_attr(da); |
7666c13c | 821 | struct w83781d_data *data = dev_get_drvdata(dev); |
34875337 | 822 | int nr = attr->index; |
1da177e4 LT |
823 | u32 val, tmp; |
824 | ||
825 | val = simple_strtoul(buf, NULL, 10); | |
826 | ||
9a61bf63 | 827 | mutex_lock(&data->update_lock); |
1da177e4 LT |
828 | |
829 | switch (val) { | |
830 | case 1: /* PII/Celeron diode */ | |
31b8dc4d JD |
831 | tmp = w83781d_read_value(data, W83781D_REG_SCFG1); |
832 | w83781d_write_value(data, W83781D_REG_SCFG1, | |
34875337 | 833 | tmp | BIT_SCFG1[nr]); |
31b8dc4d JD |
834 | tmp = w83781d_read_value(data, W83781D_REG_SCFG2); |
835 | w83781d_write_value(data, W83781D_REG_SCFG2, | |
34875337 JD |
836 | tmp | BIT_SCFG2[nr]); |
837 | data->sens[nr] = val; | |
1da177e4 LT |
838 | break; |
839 | case 2: /* 3904 */ | |
31b8dc4d JD |
840 | tmp = w83781d_read_value(data, W83781D_REG_SCFG1); |
841 | w83781d_write_value(data, W83781D_REG_SCFG1, | |
34875337 | 842 | tmp | BIT_SCFG1[nr]); |
31b8dc4d JD |
843 | tmp = w83781d_read_value(data, W83781D_REG_SCFG2); |
844 | w83781d_write_value(data, W83781D_REG_SCFG2, | |
34875337 JD |
845 | tmp & ~BIT_SCFG2[nr]); |
846 | data->sens[nr] = val; | |
1da177e4 | 847 | break; |
b26f9330 JD |
848 | case W83781D_DEFAULT_BETA: |
849 | dev_warn(dev, "Sensor type %d is deprecated, please use 4 " | |
850 | "instead\n", W83781D_DEFAULT_BETA); | |
851 | /* fall through */ | |
852 | case 4: /* thermistor */ | |
31b8dc4d JD |
853 | tmp = w83781d_read_value(data, W83781D_REG_SCFG1); |
854 | w83781d_write_value(data, W83781D_REG_SCFG1, | |
34875337 JD |
855 | tmp & ~BIT_SCFG1[nr]); |
856 | data->sens[nr] = val; | |
1da177e4 LT |
857 | break; |
858 | default: | |
b26f9330 JD |
859 | dev_err(dev, "Invalid sensor type %ld; must be 1, 2, or 4\n", |
860 | (long) val); | |
1da177e4 LT |
861 | break; |
862 | } | |
863 | ||
9a61bf63 | 864 | mutex_unlock(&data->update_lock); |
1da177e4 LT |
865 | return count; |
866 | } | |
867 | ||
34875337 JD |
868 | static SENSOR_DEVICE_ATTR(temp1_type, S_IRUGO | S_IWUSR, |
869 | show_sensor, store_sensor, 0); | |
870 | static SENSOR_DEVICE_ATTR(temp2_type, S_IRUGO | S_IWUSR, | |
393cdad6 | 871 | show_sensor, store_sensor, 1); |
34875337 | 872 | static SENSOR_DEVICE_ATTR(temp3_type, S_IRUGO | S_IWUSR, |
393cdad6 | 873 | show_sensor, store_sensor, 2); |
1da177e4 | 874 | |
7666c13c JD |
875 | /* I2C devices get this name attribute automatically, but for ISA devices |
876 | we must create it by ourselves. */ | |
877 | static ssize_t | |
878 | show_name(struct device *dev, struct device_attribute *devattr, char *buf) | |
879 | { | |
880 | struct w83781d_data *data = dev_get_drvdata(dev); | |
881 | return sprintf(buf, "%s\n", data->client.name); | |
882 | } | |
883 | static DEVICE_ATTR(name, S_IRUGO, show_name, NULL); | |
884 | ||
1da177e4 LT |
885 | /* This function is called when: |
886 | * w83781d_driver is inserted (when this module is loaded), for each | |
887 | available adapter | |
888 | * when a new adapter is inserted (and w83781d_driver is still present) */ | |
889 | static int | |
890 | w83781d_attach_adapter(struct i2c_adapter *adapter) | |
891 | { | |
892 | if (!(adapter->class & I2C_CLASS_HWMON)) | |
893 | return 0; | |
2ed2dc3c | 894 | return i2c_probe(adapter, &addr_data, w83781d_detect); |
1da177e4 LT |
895 | } |
896 | ||
897 | /* Assumes that adapter is of I2C, not ISA variety. | |
898 | * OTHERWISE DON'T CALL THIS | |
899 | */ | |
900 | static int | |
901 | w83781d_detect_subclients(struct i2c_adapter *adapter, int address, int kind, | |
902 | struct i2c_client *new_client) | |
903 | { | |
904 | int i, val1 = 0, id; | |
905 | int err; | |
906 | const char *client_name = ""; | |
907 | struct w83781d_data *data = i2c_get_clientdata(new_client); | |
908 | ||
ba9c2e8d | 909 | data->lm75[0] = kzalloc(sizeof(struct i2c_client), GFP_KERNEL); |
1da177e4 LT |
910 | if (!(data->lm75[0])) { |
911 | err = -ENOMEM; | |
912 | goto ERROR_SC_0; | |
913 | } | |
1da177e4 LT |
914 | |
915 | id = i2c_adapter_id(adapter); | |
916 | ||
917 | if (force_subclients[0] == id && force_subclients[1] == address) { | |
918 | for (i = 2; i <= 3; i++) { | |
919 | if (force_subclients[i] < 0x48 || | |
920 | force_subclients[i] > 0x4f) { | |
921 | dev_err(&new_client->dev, "Invalid subclient " | |
922 | "address %d; must be 0x48-0x4f\n", | |
923 | force_subclients[i]); | |
924 | err = -EINVAL; | |
925 | goto ERROR_SC_1; | |
926 | } | |
927 | } | |
31b8dc4d | 928 | w83781d_write_value(data, W83781D_REG_I2C_SUBADDR, |
1da177e4 LT |
929 | (force_subclients[2] & 0x07) | |
930 | ((force_subclients[3] & 0x07) << 4)); | |
931 | data->lm75[0]->addr = force_subclients[2]; | |
932 | } else { | |
31b8dc4d | 933 | val1 = w83781d_read_value(data, W83781D_REG_I2C_SUBADDR); |
1da177e4 LT |
934 | data->lm75[0]->addr = 0x48 + (val1 & 0x07); |
935 | } | |
936 | ||
937 | if (kind != w83783s) { | |
ba9c2e8d | 938 | data->lm75[1] = kzalloc(sizeof(struct i2c_client), GFP_KERNEL); |
1da177e4 LT |
939 | if (!(data->lm75[1])) { |
940 | err = -ENOMEM; | |
941 | goto ERROR_SC_1; | |
942 | } | |
1da177e4 LT |
943 | |
944 | if (force_subclients[0] == id && | |
945 | force_subclients[1] == address) { | |
946 | data->lm75[1]->addr = force_subclients[3]; | |
947 | } else { | |
948 | data->lm75[1]->addr = 0x48 + ((val1 >> 4) & 0x07); | |
949 | } | |
950 | if (data->lm75[0]->addr == data->lm75[1]->addr) { | |
951 | dev_err(&new_client->dev, | |
952 | "Duplicate addresses 0x%x for subclients.\n", | |
953 | data->lm75[0]->addr); | |
954 | err = -EBUSY; | |
955 | goto ERROR_SC_2; | |
956 | } | |
957 | } | |
958 | ||
959 | if (kind == w83781d) | |
960 | client_name = "w83781d subclient"; | |
961 | else if (kind == w83782d) | |
962 | client_name = "w83782d subclient"; | |
963 | else if (kind == w83783s) | |
964 | client_name = "w83783s subclient"; | |
965 | else if (kind == w83627hf) | |
966 | client_name = "w83627hf subclient"; | |
967 | else if (kind == as99127f) | |
968 | client_name = "as99127f subclient"; | |
969 | ||
970 | for (i = 0; i <= 1; i++) { | |
971 | /* store all data in w83781d */ | |
972 | i2c_set_clientdata(data->lm75[i], NULL); | |
973 | data->lm75[i]->adapter = adapter; | |
974 | data->lm75[i]->driver = &w83781d_driver; | |
975 | data->lm75[i]->flags = 0; | |
976 | strlcpy(data->lm75[i]->name, client_name, | |
977 | I2C_NAME_SIZE); | |
978 | if ((err = i2c_attach_client(data->lm75[i]))) { | |
979 | dev_err(&new_client->dev, "Subclient %d " | |
980 | "registration at address 0x%x " | |
981 | "failed.\n", i, data->lm75[i]->addr); | |
982 | if (i == 1) | |
983 | goto ERROR_SC_3; | |
984 | goto ERROR_SC_2; | |
985 | } | |
986 | if (kind == w83783s) | |
987 | break; | |
988 | } | |
989 | ||
990 | return 0; | |
991 | ||
992 | /* Undo inits in case of errors */ | |
993 | ERROR_SC_3: | |
994 | i2c_detach_client(data->lm75[0]); | |
995 | ERROR_SC_2: | |
6044ec88 | 996 | kfree(data->lm75[1]); |
1da177e4 | 997 | ERROR_SC_1: |
6044ec88 | 998 | kfree(data->lm75[0]); |
1da177e4 LT |
999 | ERROR_SC_0: |
1000 | return err; | |
1001 | } | |
1002 | ||
34875337 JD |
1003 | #define IN_UNIT_ATTRS(X) \ |
1004 | &sensor_dev_attr_in##X##_input.dev_attr.attr, \ | |
1005 | &sensor_dev_attr_in##X##_min.dev_attr.attr, \ | |
7d4a1374 JD |
1006 | &sensor_dev_attr_in##X##_max.dev_attr.attr, \ |
1007 | &sensor_dev_attr_in##X##_alarm.dev_attr.attr, \ | |
1008 | &sensor_dev_attr_in##X##_beep.dev_attr.attr | |
311ce2ef | 1009 | |
34875337 JD |
1010 | #define FAN_UNIT_ATTRS(X) \ |
1011 | &sensor_dev_attr_fan##X##_input.dev_attr.attr, \ | |
1012 | &sensor_dev_attr_fan##X##_min.dev_attr.attr, \ | |
7d4a1374 JD |
1013 | &sensor_dev_attr_fan##X##_div.dev_attr.attr, \ |
1014 | &sensor_dev_attr_fan##X##_alarm.dev_attr.attr, \ | |
1015 | &sensor_dev_attr_fan##X##_beep.dev_attr.attr | |
311ce2ef | 1016 | |
34875337 JD |
1017 | #define TEMP_UNIT_ATTRS(X) \ |
1018 | &sensor_dev_attr_temp##X##_input.dev_attr.attr, \ | |
1019 | &sensor_dev_attr_temp##X##_max.dev_attr.attr, \ | |
7d4a1374 JD |
1020 | &sensor_dev_attr_temp##X##_max_hyst.dev_attr.attr, \ |
1021 | &sensor_dev_attr_temp##X##_alarm.dev_attr.attr, \ | |
1022 | &sensor_dev_attr_temp##X##_beep.dev_attr.attr | |
311ce2ef JC |
1023 | |
1024 | static struct attribute* w83781d_attributes[] = { | |
1025 | IN_UNIT_ATTRS(0), | |
1026 | IN_UNIT_ATTRS(2), | |
1027 | IN_UNIT_ATTRS(3), | |
1028 | IN_UNIT_ATTRS(4), | |
1029 | IN_UNIT_ATTRS(5), | |
1030 | IN_UNIT_ATTRS(6), | |
1031 | FAN_UNIT_ATTRS(1), | |
1032 | FAN_UNIT_ATTRS(2), | |
1033 | FAN_UNIT_ATTRS(3), | |
1034 | TEMP_UNIT_ATTRS(1), | |
1035 | TEMP_UNIT_ATTRS(2), | |
1036 | &dev_attr_cpu0_vid.attr, | |
1037 | &dev_attr_vrm.attr, | |
1038 | &dev_attr_alarms.attr, | |
1039 | &dev_attr_beep_mask.attr, | |
1040 | &dev_attr_beep_enable.attr, | |
1041 | NULL | |
1042 | }; | |
1043 | static const struct attribute_group w83781d_group = { | |
1044 | .attrs = w83781d_attributes, | |
1045 | }; | |
1046 | ||
1047 | static struct attribute *w83781d_attributes_opt[] = { | |
1048 | IN_UNIT_ATTRS(1), | |
1049 | IN_UNIT_ATTRS(7), | |
1050 | IN_UNIT_ATTRS(8), | |
1051 | TEMP_UNIT_ATTRS(3), | |
34875337 JD |
1052 | &sensor_dev_attr_pwm1.dev_attr.attr, |
1053 | &sensor_dev_attr_pwm2.dev_attr.attr, | |
1054 | &sensor_dev_attr_pwm3.dev_attr.attr, | |
1055 | &sensor_dev_attr_pwm4.dev_attr.attr, | |
311ce2ef | 1056 | &dev_attr_pwm2_enable.attr, |
34875337 JD |
1057 | &sensor_dev_attr_temp1_type.dev_attr.attr, |
1058 | &sensor_dev_attr_temp2_type.dev_attr.attr, | |
1059 | &sensor_dev_attr_temp3_type.dev_attr.attr, | |
311ce2ef JC |
1060 | NULL |
1061 | }; | |
1062 | static const struct attribute_group w83781d_group_opt = { | |
1063 | .attrs = w83781d_attributes_opt, | |
1064 | }; | |
1065 | ||
7666c13c | 1066 | /* No clean up is done on error, it's up to the caller */ |
1da177e4 | 1067 | static int |
7666c13c | 1068 | w83781d_create_files(struct device *dev, int kind, int is_isa) |
1da177e4 | 1069 | { |
1da177e4 | 1070 | int err; |
1da177e4 | 1071 | |
7666c13c JD |
1072 | if ((err = sysfs_create_group(&dev->kobj, &w83781d_group))) |
1073 | return err; | |
1074 | ||
1075 | if (kind != w83783s) { | |
34875337 JD |
1076 | if ((err = device_create_file(dev, |
1077 | &sensor_dev_attr_in1_input.dev_attr)) | |
1078 | || (err = device_create_file(dev, | |
1079 | &sensor_dev_attr_in1_min.dev_attr)) | |
1080 | || (err = device_create_file(dev, | |
7d4a1374 JD |
1081 | &sensor_dev_attr_in1_max.dev_attr)) |
1082 | || (err = device_create_file(dev, | |
1083 | &sensor_dev_attr_in1_alarm.dev_attr)) | |
1084 | || (err = device_create_file(dev, | |
1085 | &sensor_dev_attr_in1_beep.dev_attr))) | |
7666c13c JD |
1086 | return err; |
1087 | } | |
1088 | if (kind != as99127f && kind != w83781d && kind != w83783s) { | |
34875337 JD |
1089 | if ((err = device_create_file(dev, |
1090 | &sensor_dev_attr_in7_input.dev_attr)) | |
1091 | || (err = device_create_file(dev, | |
1092 | &sensor_dev_attr_in7_min.dev_attr)) | |
1093 | || (err = device_create_file(dev, | |
1094 | &sensor_dev_attr_in7_max.dev_attr)) | |
7d4a1374 JD |
1095 | || (err = device_create_file(dev, |
1096 | &sensor_dev_attr_in7_alarm.dev_attr)) | |
1097 | || (err = device_create_file(dev, | |
1098 | &sensor_dev_attr_in7_beep.dev_attr)) | |
34875337 JD |
1099 | || (err = device_create_file(dev, |
1100 | &sensor_dev_attr_in8_input.dev_attr)) | |
1101 | || (err = device_create_file(dev, | |
1102 | &sensor_dev_attr_in8_min.dev_attr)) | |
1103 | || (err = device_create_file(dev, | |
7d4a1374 JD |
1104 | &sensor_dev_attr_in8_max.dev_attr)) |
1105 | || (err = device_create_file(dev, | |
1106 | &sensor_dev_attr_in8_alarm.dev_attr)) | |
1107 | || (err = device_create_file(dev, | |
1108 | &sensor_dev_attr_in8_beep.dev_attr))) | |
7666c13c JD |
1109 | return err; |
1110 | } | |
1111 | if (kind != w83783s) { | |
34875337 JD |
1112 | if ((err = device_create_file(dev, |
1113 | &sensor_dev_attr_temp3_input.dev_attr)) | |
1114 | || (err = device_create_file(dev, | |
1115 | &sensor_dev_attr_temp3_max.dev_attr)) | |
7666c13c | 1116 | || (err = device_create_file(dev, |
7d4a1374 JD |
1117 | &sensor_dev_attr_temp3_max_hyst.dev_attr)) |
1118 | || (err = device_create_file(dev, | |
1119 | &sensor_dev_attr_temp3_alarm.dev_attr)) | |
1120 | || (err = device_create_file(dev, | |
1121 | &sensor_dev_attr_temp3_beep.dev_attr))) | |
7666c13c | 1122 | return err; |
7d4a1374 | 1123 | |
7768aa76 | 1124 | if (kind != w83781d) { |
7d4a1374 JD |
1125 | err = sysfs_chmod_file(&dev->kobj, |
1126 | &sensor_dev_attr_temp3_alarm.dev_attr.attr, | |
1127 | S_IRUGO | S_IWUSR); | |
1128 | if (err) | |
1129 | return err; | |
7768aa76 | 1130 | } |
1da177e4 LT |
1131 | } |
1132 | ||
7666c13c | 1133 | if (kind != w83781d && kind != as99127f) { |
34875337 JD |
1134 | if ((err = device_create_file(dev, |
1135 | &sensor_dev_attr_pwm1.dev_attr)) | |
1136 | || (err = device_create_file(dev, | |
1137 | &sensor_dev_attr_pwm2.dev_attr)) | |
7666c13c JD |
1138 | || (err = device_create_file(dev, &dev_attr_pwm2_enable))) |
1139 | return err; | |
1da177e4 | 1140 | } |
7666c13c | 1141 | if (kind == w83782d && !is_isa) { |
34875337 JD |
1142 | if ((err = device_create_file(dev, |
1143 | &sensor_dev_attr_pwm3.dev_attr)) | |
1144 | || (err = device_create_file(dev, | |
1145 | &sensor_dev_attr_pwm4.dev_attr))) | |
7666c13c JD |
1146 | return err; |
1147 | } | |
1148 | ||
1149 | if (kind != as99127f && kind != w83781d) { | |
34875337 JD |
1150 | if ((err = device_create_file(dev, |
1151 | &sensor_dev_attr_temp1_type.dev_attr)) | |
7666c13c | 1152 | || (err = device_create_file(dev, |
34875337 | 1153 | &sensor_dev_attr_temp2_type.dev_attr))) |
7666c13c JD |
1154 | return err; |
1155 | if (kind != w83783s) { | |
1156 | if ((err = device_create_file(dev, | |
34875337 | 1157 | &sensor_dev_attr_temp3_type.dev_attr))) |
7666c13c | 1158 | return err; |
1da177e4 | 1159 | } |
7666c13c | 1160 | } |
1da177e4 | 1161 | |
7666c13c JD |
1162 | if (is_isa) { |
1163 | err = device_create_file(&pdev->dev, &dev_attr_name); | |
1164 | if (err) | |
1165 | return err; | |
1166 | } | |
1da177e4 | 1167 | |
7666c13c JD |
1168 | return 0; |
1169 | } | |
1da177e4 | 1170 | |
7666c13c JD |
1171 | static int |
1172 | w83781d_detect(struct i2c_adapter *adapter, int address, int kind) | |
1173 | { | |
1174 | int val1 = 0, val2; | |
1175 | struct i2c_client *client; | |
1176 | struct device *dev; | |
1177 | struct w83781d_data *data; | |
1178 | int err; | |
1179 | const char *client_name = ""; | |
1180 | enum vendor { winbond, asus } vendid; | |
1181 | ||
1182 | if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) { | |
1183 | err = -EINVAL; | |
1184 | goto ERROR1; | |
1da177e4 LT |
1185 | } |
1186 | ||
1187 | /* OK. For now, we presume we have a valid client. We now create the | |
1188 | client structure, even though we cannot fill it completely yet. | |
1189 | But it allows us to access w83781d_{read,write}_value. */ | |
1190 | ||
ba9c2e8d | 1191 | if (!(data = kzalloc(sizeof(struct w83781d_data), GFP_KERNEL))) { |
1da177e4 LT |
1192 | err = -ENOMEM; |
1193 | goto ERROR1; | |
1194 | } | |
1da177e4 | 1195 | |
311ce2ef JC |
1196 | client = &data->client; |
1197 | i2c_set_clientdata(client, data); | |
1198 | client->addr = address; | |
9a61bf63 | 1199 | mutex_init(&data->lock); |
311ce2ef | 1200 | client->adapter = adapter; |
7666c13c | 1201 | client->driver = &w83781d_driver; |
311ce2ef | 1202 | dev = &client->dev; |
1da177e4 LT |
1203 | |
1204 | /* Now, we do the remaining detection. */ | |
1205 | ||
1206 | /* The w8378?d may be stuck in some other bank than bank 0. This may | |
1207 | make reading other information impossible. Specify a force=... or | |
1208 | force_*=... parameter, and the Winbond will be reset to the right | |
1209 | bank. */ | |
1210 | if (kind < 0) { | |
31b8dc4d | 1211 | if (w83781d_read_value(data, W83781D_REG_CONFIG) & 0x80) { |
bd452e6f JD |
1212 | dev_dbg(&adapter->dev, "Detection of w83781d chip " |
1213 | "failed at step 3\n"); | |
1da177e4 LT |
1214 | err = -ENODEV; |
1215 | goto ERROR2; | |
1216 | } | |
31b8dc4d JD |
1217 | val1 = w83781d_read_value(data, W83781D_REG_BANK); |
1218 | val2 = w83781d_read_value(data, W83781D_REG_CHIPMAN); | |
1da177e4 LT |
1219 | /* Check for Winbond or Asus ID if in bank 0 */ |
1220 | if ((!(val1 & 0x07)) && | |
1221 | (((!(val1 & 0x80)) && (val2 != 0xa3) && (val2 != 0xc3)) | |
1222 | || ((val1 & 0x80) && (val2 != 0x5c) && (val2 != 0x12)))) { | |
bd452e6f JD |
1223 | dev_dbg(&adapter->dev, "Detection of w83781d chip " |
1224 | "failed at step 4\n"); | |
1da177e4 LT |
1225 | err = -ENODEV; |
1226 | goto ERROR2; | |
1227 | } | |
1228 | /* If Winbond SMBus, check address at 0x48. | |
1229 | Asus doesn't support, except for as99127f rev.2 */ | |
7666c13c JD |
1230 | if ((!(val1 & 0x80) && (val2 == 0xa3)) || |
1231 | ((val1 & 0x80) && (val2 == 0x5c))) { | |
1da177e4 | 1232 | if (w83781d_read_value |
31b8dc4d | 1233 | (data, W83781D_REG_I2C_ADDR) != address) { |
bd452e6f JD |
1234 | dev_dbg(&adapter->dev, "Detection of w83781d " |
1235 | "chip failed at step 5\n"); | |
1da177e4 LT |
1236 | err = -ENODEV; |
1237 | goto ERROR2; | |
1238 | } | |
1239 | } | |
1240 | } | |
1241 | ||
1242 | /* We have either had a force parameter, or we have already detected the | |
1243 | Winbond. Put it now into bank 0 and Vendor ID High Byte */ | |
31b8dc4d JD |
1244 | w83781d_write_value(data, W83781D_REG_BANK, |
1245 | (w83781d_read_value(data, W83781D_REG_BANK) | |
311ce2ef | 1246 | & 0x78) | 0x80); |
1da177e4 LT |
1247 | |
1248 | /* Determine the chip type. */ | |
1249 | if (kind <= 0) { | |
1250 | /* get vendor ID */ | |
31b8dc4d | 1251 | val2 = w83781d_read_value(data, W83781D_REG_CHIPMAN); |
1da177e4 LT |
1252 | if (val2 == 0x5c) |
1253 | vendid = winbond; | |
1254 | else if (val2 == 0x12) | |
1255 | vendid = asus; | |
1256 | else { | |
bd452e6f JD |
1257 | dev_dbg(&adapter->dev, "w83781d chip vendor is " |
1258 | "neither Winbond nor Asus\n"); | |
1da177e4 LT |
1259 | err = -ENODEV; |
1260 | goto ERROR2; | |
1261 | } | |
1262 | ||
31b8dc4d | 1263 | val1 = w83781d_read_value(data, W83781D_REG_WCHIPID); |
1da177e4 LT |
1264 | if ((val1 == 0x10 || val1 == 0x11) && vendid == winbond) |
1265 | kind = w83781d; | |
1266 | else if (val1 == 0x30 && vendid == winbond) | |
1267 | kind = w83782d; | |
7666c13c | 1268 | else if (val1 == 0x40 && vendid == winbond && address == 0x2d) |
1da177e4 | 1269 | kind = w83783s; |
7c7a5304 | 1270 | else if (val1 == 0x21 && vendid == winbond) |
1da177e4 | 1271 | kind = w83627hf; |
6722fead | 1272 | else if (val1 == 0x31) |
1da177e4 | 1273 | kind = as99127f; |
1da177e4 LT |
1274 | else { |
1275 | if (kind == 0) | |
bd452e6f | 1276 | dev_warn(&adapter->dev, "Ignoring 'force' " |
1da177e4 | 1277 | "parameter for unknown chip at " |
bd452e6f | 1278 | "address 0x%02x\n", address); |
1da177e4 LT |
1279 | err = -EINVAL; |
1280 | goto ERROR2; | |
1281 | } | |
1282 | } | |
1283 | ||
1284 | if (kind == w83781d) { | |
1285 | client_name = "w83781d"; | |
1286 | } else if (kind == w83782d) { | |
1287 | client_name = "w83782d"; | |
1288 | } else if (kind == w83783s) { | |
1289 | client_name = "w83783s"; | |
1290 | } else if (kind == w83627hf) { | |
7c7a5304 | 1291 | client_name = "w83627hf"; |
1da177e4 LT |
1292 | } else if (kind == as99127f) { |
1293 | client_name = "as99127f"; | |
1da177e4 LT |
1294 | } |
1295 | ||
1296 | /* Fill in the remaining client fields and put into the global list */ | |
311ce2ef | 1297 | strlcpy(client->name, client_name, I2C_NAME_SIZE); |
1da177e4 LT |
1298 | data->type = kind; |
1299 | ||
1da177e4 | 1300 | /* Tell the I2C layer a new client has arrived */ |
311ce2ef | 1301 | if ((err = i2c_attach_client(client))) |
1da177e4 LT |
1302 | goto ERROR2; |
1303 | ||
1304 | /* attach secondary i2c lm75-like clients */ | |
7666c13c JD |
1305 | if ((err = w83781d_detect_subclients(adapter, address, |
1306 | kind, client))) | |
1307 | goto ERROR3; | |
1da177e4 LT |
1308 | |
1309 | /* Initialize the chip */ | |
7666c13c | 1310 | w83781d_init_device(dev); |
1da177e4 LT |
1311 | |
1312 | /* Register sysfs hooks */ | |
7666c13c JD |
1313 | err = w83781d_create_files(dev, kind, 0); |
1314 | if (err) | |
943b0830 | 1315 | goto ERROR4; |
943b0830 | 1316 | |
1beeffe4 TJ |
1317 | data->hwmon_dev = hwmon_device_register(dev); |
1318 | if (IS_ERR(data->hwmon_dev)) { | |
1319 | err = PTR_ERR(data->hwmon_dev); | |
311ce2ef | 1320 | goto ERROR4; |
1da177e4 LT |
1321 | } |
1322 | ||
1323 | return 0; | |
1324 | ||
943b0830 | 1325 | ERROR4: |
311ce2ef JC |
1326 | sysfs_remove_group(&dev->kobj, &w83781d_group); |
1327 | sysfs_remove_group(&dev->kobj, &w83781d_group_opt); | |
1328 | ||
943b0830 MH |
1329 | if (data->lm75[1]) { |
1330 | i2c_detach_client(data->lm75[1]); | |
1331 | kfree(data->lm75[1]); | |
1332 | } | |
1333 | if (data->lm75[0]) { | |
1334 | i2c_detach_client(data->lm75[0]); | |
1335 | kfree(data->lm75[0]); | |
1336 | } | |
1da177e4 | 1337 | ERROR3: |
311ce2ef | 1338 | i2c_detach_client(client); |
1da177e4 LT |
1339 | ERROR2: |
1340 | kfree(data); | |
1341 | ERROR1: | |
1da177e4 LT |
1342 | return err; |
1343 | } | |
1344 | ||
1345 | static int | |
1346 | w83781d_detach_client(struct i2c_client *client) | |
1347 | { | |
943b0830 | 1348 | struct w83781d_data *data = i2c_get_clientdata(client); |
1da177e4 LT |
1349 | int err; |
1350 | ||
943b0830 | 1351 | /* main client */ |
311ce2ef | 1352 | if (data) { |
1beeffe4 | 1353 | hwmon_device_unregister(data->hwmon_dev); |
311ce2ef JC |
1354 | sysfs_remove_group(&client->dev.kobj, &w83781d_group); |
1355 | sysfs_remove_group(&client->dev.kobj, &w83781d_group_opt); | |
1356 | } | |
1da177e4 | 1357 | |
7bef5594 | 1358 | if ((err = i2c_detach_client(client))) |
1da177e4 | 1359 | return err; |
1da177e4 | 1360 | |
943b0830 MH |
1361 | /* main client */ |
1362 | if (data) | |
1363 | kfree(data); | |
1364 | ||
1365 | /* subclient */ | |
1366 | else | |
1da177e4 | 1367 | kfree(client); |
1da177e4 LT |
1368 | |
1369 | return 0; | |
1370 | } | |
1371 | ||
7666c13c JD |
1372 | static int __devinit |
1373 | w83781d_isa_probe(struct platform_device *pdev) | |
1374 | { | |
1375 | int err, reg; | |
1376 | struct w83781d_data *data; | |
1377 | struct resource *res; | |
1378 | const char *name; | |
1379 | ||
1380 | /* Reserve the ISA region */ | |
1381 | res = platform_get_resource(pdev, IORESOURCE_IO, 0); | |
1382 | if (!request_region(res->start, W83781D_EXTENT, "w83781d")) { | |
1383 | err = -EBUSY; | |
1384 | goto exit; | |
1385 | } | |
1386 | ||
1387 | if (!(data = kzalloc(sizeof(struct w83781d_data), GFP_KERNEL))) { | |
1388 | err = -ENOMEM; | |
1389 | goto exit_release_region; | |
1390 | } | |
1391 | mutex_init(&data->lock); | |
1392 | data->client.addr = res->start; | |
1393 | i2c_set_clientdata(&data->client, data); | |
1394 | platform_set_drvdata(pdev, data); | |
1395 | ||
31b8dc4d | 1396 | reg = w83781d_read_value(data, W83781D_REG_WCHIPID); |
7666c13c JD |
1397 | switch (reg) { |
1398 | case 0x21: | |
1399 | data->type = w83627hf; | |
1400 | name = "w83627hf"; | |
1401 | break; | |
1402 | case 0x30: | |
1403 | data->type = w83782d; | |
1404 | name = "w83782d"; | |
1405 | break; | |
1406 | default: | |
1407 | data->type = w83781d; | |
1408 | name = "w83781d"; | |
1409 | } | |
1410 | strlcpy(data->client.name, name, I2C_NAME_SIZE); | |
1411 | ||
1412 | /* Initialize the W83781D chip */ | |
1413 | w83781d_init_device(&pdev->dev); | |
1414 | ||
1415 | /* Register sysfs hooks */ | |
1416 | err = w83781d_create_files(&pdev->dev, data->type, 1); | |
1417 | if (err) | |
1418 | goto exit_remove_files; | |
1419 | ||
1beeffe4 TJ |
1420 | data->hwmon_dev = hwmon_device_register(&pdev->dev); |
1421 | if (IS_ERR(data->hwmon_dev)) { | |
1422 | err = PTR_ERR(data->hwmon_dev); | |
7666c13c JD |
1423 | goto exit_remove_files; |
1424 | } | |
1425 | ||
1426 | return 0; | |
1427 | ||
1428 | exit_remove_files: | |
1429 | sysfs_remove_group(&pdev->dev.kobj, &w83781d_group); | |
1430 | sysfs_remove_group(&pdev->dev.kobj, &w83781d_group_opt); | |
1431 | device_remove_file(&pdev->dev, &dev_attr_name); | |
1432 | kfree(data); | |
1433 | exit_release_region: | |
1434 | release_region(res->start, W83781D_EXTENT); | |
1435 | exit: | |
1436 | return err; | |
1437 | } | |
1438 | ||
1439 | static int __devexit | |
1440 | w83781d_isa_remove(struct platform_device *pdev) | |
1441 | { | |
1442 | struct w83781d_data *data = platform_get_drvdata(pdev); | |
1443 | ||
1beeffe4 | 1444 | hwmon_device_unregister(data->hwmon_dev); |
7666c13c JD |
1445 | sysfs_remove_group(&pdev->dev.kobj, &w83781d_group); |
1446 | sysfs_remove_group(&pdev->dev.kobj, &w83781d_group_opt); | |
1447 | device_remove_file(&pdev->dev, &dev_attr_name); | |
1448 | release_region(data->client.addr, W83781D_EXTENT); | |
1449 | kfree(data); | |
1450 | ||
1451 | return 0; | |
1452 | } | |
1453 | ||
1da177e4 LT |
1454 | /* The SMBus locks itself, usually, but nothing may access the Winbond between |
1455 | bank switches. ISA access must always be locked explicitly! | |
1456 | We ignore the W83781D BUSY flag at this moment - it could lead to deadlocks, | |
1457 | would slow down the W83781D access and should not be necessary. | |
1458 | There are some ugly typecasts here, but the good news is - they should | |
1459 | nowhere else be necessary! */ | |
1460 | static int | |
31b8dc4d | 1461 | w83781d_read_value(struct w83781d_data *data, u16 reg) |
1da177e4 | 1462 | { |
31b8dc4d | 1463 | struct i2c_client *client = &data->client; |
1da177e4 LT |
1464 | int res, word_sized, bank; |
1465 | struct i2c_client *cl; | |
1466 | ||
9a61bf63 | 1467 | mutex_lock(&data->lock); |
7666c13c | 1468 | if (!client->driver) { /* ISA device */ |
1da177e4 LT |
1469 | word_sized = (((reg & 0xff00) == 0x100) |
1470 | || ((reg & 0xff00) == 0x200)) | |
1471 | && (((reg & 0x00ff) == 0x50) | |
1472 | || ((reg & 0x00ff) == 0x53) | |
1473 | || ((reg & 0x00ff) == 0x55)); | |
1474 | if (reg & 0xff00) { | |
1475 | outb_p(W83781D_REG_BANK, | |
1476 | client->addr + W83781D_ADDR_REG_OFFSET); | |
1477 | outb_p(reg >> 8, | |
1478 | client->addr + W83781D_DATA_REG_OFFSET); | |
1479 | } | |
1480 | outb_p(reg & 0xff, client->addr + W83781D_ADDR_REG_OFFSET); | |
1481 | res = inb_p(client->addr + W83781D_DATA_REG_OFFSET); | |
1482 | if (word_sized) { | |
1483 | outb_p((reg & 0xff) + 1, | |
1484 | client->addr + W83781D_ADDR_REG_OFFSET); | |
1485 | res = | |
1486 | (res << 8) + inb_p(client->addr + | |
1487 | W83781D_DATA_REG_OFFSET); | |
1488 | } | |
1489 | if (reg & 0xff00) { | |
1490 | outb_p(W83781D_REG_BANK, | |
1491 | client->addr + W83781D_ADDR_REG_OFFSET); | |
1492 | outb_p(0, client->addr + W83781D_DATA_REG_OFFSET); | |
1493 | } | |
1494 | } else { | |
1495 | bank = (reg >> 8) & 0x0f; | |
1496 | if (bank > 2) | |
1497 | /* switch banks */ | |
1498 | i2c_smbus_write_byte_data(client, W83781D_REG_BANK, | |
1499 | bank); | |
1500 | if (bank == 0 || bank > 2) { | |
1501 | res = i2c_smbus_read_byte_data(client, reg & 0xff); | |
1502 | } else { | |
1503 | /* switch to subclient */ | |
1504 | cl = data->lm75[bank - 1]; | |
1505 | /* convert from ISA to LM75 I2C addresses */ | |
1506 | switch (reg & 0xff) { | |
1507 | case 0x50: /* TEMP */ | |
1508 | res = swab16(i2c_smbus_read_word_data(cl, 0)); | |
1509 | break; | |
1510 | case 0x52: /* CONFIG */ | |
1511 | res = i2c_smbus_read_byte_data(cl, 1); | |
1512 | break; | |
1513 | case 0x53: /* HYST */ | |
1514 | res = swab16(i2c_smbus_read_word_data(cl, 2)); | |
1515 | break; | |
1516 | case 0x55: /* OVER */ | |
1517 | default: | |
1518 | res = swab16(i2c_smbus_read_word_data(cl, 3)); | |
1519 | break; | |
1520 | } | |
1521 | } | |
1522 | if (bank > 2) | |
1523 | i2c_smbus_write_byte_data(client, W83781D_REG_BANK, 0); | |
1524 | } | |
9a61bf63 | 1525 | mutex_unlock(&data->lock); |
1da177e4 LT |
1526 | return res; |
1527 | } | |
1528 | ||
1529 | static int | |
31b8dc4d | 1530 | w83781d_write_value(struct w83781d_data *data, u16 reg, u16 value) |
1da177e4 | 1531 | { |
31b8dc4d | 1532 | struct i2c_client *client = &data->client; |
1da177e4 LT |
1533 | int word_sized, bank; |
1534 | struct i2c_client *cl; | |
1535 | ||
9a61bf63 | 1536 | mutex_lock(&data->lock); |
7666c13c | 1537 | if (!client->driver) { /* ISA device */ |
1da177e4 LT |
1538 | word_sized = (((reg & 0xff00) == 0x100) |
1539 | || ((reg & 0xff00) == 0x200)) | |
1540 | && (((reg & 0x00ff) == 0x53) | |
1541 | || ((reg & 0x00ff) == 0x55)); | |
1542 | if (reg & 0xff00) { | |
1543 | outb_p(W83781D_REG_BANK, | |
1544 | client->addr + W83781D_ADDR_REG_OFFSET); | |
1545 | outb_p(reg >> 8, | |
1546 | client->addr + W83781D_DATA_REG_OFFSET); | |
1547 | } | |
1548 | outb_p(reg & 0xff, client->addr + W83781D_ADDR_REG_OFFSET); | |
1549 | if (word_sized) { | |
1550 | outb_p(value >> 8, | |
1551 | client->addr + W83781D_DATA_REG_OFFSET); | |
1552 | outb_p((reg & 0xff) + 1, | |
1553 | client->addr + W83781D_ADDR_REG_OFFSET); | |
1554 | } | |
1555 | outb_p(value & 0xff, client->addr + W83781D_DATA_REG_OFFSET); | |
1556 | if (reg & 0xff00) { | |
1557 | outb_p(W83781D_REG_BANK, | |
1558 | client->addr + W83781D_ADDR_REG_OFFSET); | |
1559 | outb_p(0, client->addr + W83781D_DATA_REG_OFFSET); | |
1560 | } | |
1561 | } else { | |
1562 | bank = (reg >> 8) & 0x0f; | |
1563 | if (bank > 2) | |
1564 | /* switch banks */ | |
1565 | i2c_smbus_write_byte_data(client, W83781D_REG_BANK, | |
1566 | bank); | |
1567 | if (bank == 0 || bank > 2) { | |
1568 | i2c_smbus_write_byte_data(client, reg & 0xff, | |
1569 | value & 0xff); | |
1570 | } else { | |
1571 | /* switch to subclient */ | |
1572 | cl = data->lm75[bank - 1]; | |
1573 | /* convert from ISA to LM75 I2C addresses */ | |
1574 | switch (reg & 0xff) { | |
1575 | case 0x52: /* CONFIG */ | |
1576 | i2c_smbus_write_byte_data(cl, 1, value & 0xff); | |
1577 | break; | |
1578 | case 0x53: /* HYST */ | |
1579 | i2c_smbus_write_word_data(cl, 2, swab16(value)); | |
1580 | break; | |
1581 | case 0x55: /* OVER */ | |
1582 | i2c_smbus_write_word_data(cl, 3, swab16(value)); | |
1583 | break; | |
1584 | } | |
1585 | } | |
1586 | if (bank > 2) | |
1587 | i2c_smbus_write_byte_data(client, W83781D_REG_BANK, 0); | |
1588 | } | |
9a61bf63 | 1589 | mutex_unlock(&data->lock); |
1da177e4 LT |
1590 | return 0; |
1591 | } | |
1592 | ||
1da177e4 | 1593 | static void |
7666c13c | 1594 | w83781d_init_device(struct device *dev) |
1da177e4 | 1595 | { |
7666c13c | 1596 | struct w83781d_data *data = dev_get_drvdata(dev); |
1da177e4 LT |
1597 | int i, p; |
1598 | int type = data->type; | |
1599 | u8 tmp; | |
1600 | ||
f5f8d38b JD |
1601 | if (type == w83627hf) |
1602 | dev_info(dev, "The W83627HF chip is better supported by the " | |
1603 | "w83627hf driver, support will be dropped from the " | |
1604 | "w83781d driver soon\n"); | |
1605 | ||
fabddcd4 | 1606 | if (reset && type != as99127f) { /* this resets registers we don't have |
1da177e4 | 1607 | documentation for on the as99127f */ |
fabddcd4 JD |
1608 | /* Resetting the chip has been the default for a long time, |
1609 | but it causes the BIOS initializations (fan clock dividers, | |
1610 | thermal sensor types...) to be lost, so it is now optional. | |
1611 | It might even go away if nobody reports it as being useful, | |
1612 | as I see very little reason why this would be needed at | |
1613 | all. */ | |
7666c13c | 1614 | dev_info(dev, "If reset=1 solved a problem you were " |
fabddcd4 JD |
1615 | "having, please report!\n"); |
1616 | ||
1da177e4 | 1617 | /* save these registers */ |
31b8dc4d JD |
1618 | i = w83781d_read_value(data, W83781D_REG_BEEP_CONFIG); |
1619 | p = w83781d_read_value(data, W83781D_REG_PWMCLK12); | |
1da177e4 LT |
1620 | /* Reset all except Watchdog values and last conversion values |
1621 | This sets fan-divs to 2, among others */ | |
31b8dc4d | 1622 | w83781d_write_value(data, W83781D_REG_CONFIG, 0x80); |
1da177e4 LT |
1623 | /* Restore the registers and disable power-on abnormal beep. |
1624 | This saves FAN 1/2/3 input/output values set by BIOS. */ | |
31b8dc4d JD |
1625 | w83781d_write_value(data, W83781D_REG_BEEP_CONFIG, i | 0x80); |
1626 | w83781d_write_value(data, W83781D_REG_PWMCLK12, p); | |
1da177e4 LT |
1627 | /* Disable master beep-enable (reset turns it on). |
1628 | Individual beep_mask should be reset to off but for some reason | |
1629 | disabling this bit helps some people not get beeped */ | |
31b8dc4d | 1630 | w83781d_write_value(data, W83781D_REG_BEEP_INTS2, 0); |
1da177e4 LT |
1631 | } |
1632 | ||
fabddcd4 JD |
1633 | /* Disable power-on abnormal beep, as advised by the datasheet. |
1634 | Already done if reset=1. */ | |
1635 | if (init && !reset && type != as99127f) { | |
31b8dc4d JD |
1636 | i = w83781d_read_value(data, W83781D_REG_BEEP_CONFIG); |
1637 | w83781d_write_value(data, W83781D_REG_BEEP_CONFIG, i | 0x80); | |
fabddcd4 JD |
1638 | } |
1639 | ||
303760b4 | 1640 | data->vrm = vid_which_vrm(); |
1da177e4 LT |
1641 | |
1642 | if ((type != w83781d) && (type != as99127f)) { | |
31b8dc4d | 1643 | tmp = w83781d_read_value(data, W83781D_REG_SCFG1); |
1da177e4 LT |
1644 | for (i = 1; i <= 3; i++) { |
1645 | if (!(tmp & BIT_SCFG1[i - 1])) { | |
b26f9330 | 1646 | data->sens[i - 1] = 4; |
1da177e4 LT |
1647 | } else { |
1648 | if (w83781d_read_value | |
31b8dc4d | 1649 | (data, |
1da177e4 LT |
1650 | W83781D_REG_SCFG2) & BIT_SCFG2[i - 1]) |
1651 | data->sens[i - 1] = 1; | |
1652 | else | |
1653 | data->sens[i - 1] = 2; | |
1654 | } | |
7c7a5304 | 1655 | if (type == w83783s && i == 2) |
1da177e4 LT |
1656 | break; |
1657 | } | |
1658 | } | |
1659 | ||
1660 | if (init && type != as99127f) { | |
1661 | /* Enable temp2 */ | |
31b8dc4d | 1662 | tmp = w83781d_read_value(data, W83781D_REG_TEMP2_CONFIG); |
1da177e4 | 1663 | if (tmp & 0x01) { |
7666c13c | 1664 | dev_warn(dev, "Enabling temp2, readings " |
1da177e4 | 1665 | "might not make sense\n"); |
31b8dc4d | 1666 | w83781d_write_value(data, W83781D_REG_TEMP2_CONFIG, |
1da177e4 LT |
1667 | tmp & 0xfe); |
1668 | } | |
1669 | ||
1670 | /* Enable temp3 */ | |
7c7a5304 | 1671 | if (type != w83783s) { |
31b8dc4d | 1672 | tmp = w83781d_read_value(data, |
1da177e4 LT |
1673 | W83781D_REG_TEMP3_CONFIG); |
1674 | if (tmp & 0x01) { | |
7666c13c | 1675 | dev_warn(dev, "Enabling temp3, " |
1da177e4 | 1676 | "readings might not make sense\n"); |
31b8dc4d | 1677 | w83781d_write_value(data, |
1da177e4 LT |
1678 | W83781D_REG_TEMP3_CONFIG, tmp & 0xfe); |
1679 | } | |
1680 | } | |
1da177e4 LT |
1681 | } |
1682 | ||
1683 | /* Start monitoring */ | |
31b8dc4d JD |
1684 | w83781d_write_value(data, W83781D_REG_CONFIG, |
1685 | (w83781d_read_value(data, | |
1da177e4 LT |
1686 | W83781D_REG_CONFIG) & 0xf7) |
1687 | | 0x01); | |
7666c13c JD |
1688 | |
1689 | /* A few vars need to be filled upon startup */ | |
34875337 JD |
1690 | for (i = 0; i < 3; i++) { |
1691 | data->fan_min[i] = w83781d_read_value(data, | |
7666c13c JD |
1692 | W83781D_REG_FAN_MIN(i)); |
1693 | } | |
7666c13c JD |
1694 | |
1695 | mutex_init(&data->update_lock); | |
1da177e4 LT |
1696 | } |
1697 | ||
1698 | static struct w83781d_data *w83781d_update_device(struct device *dev) | |
1699 | { | |
7666c13c JD |
1700 | struct w83781d_data *data = dev_get_drvdata(dev); |
1701 | struct i2c_client *client = &data->client; | |
1da177e4 LT |
1702 | int i; |
1703 | ||
9a61bf63 | 1704 | mutex_lock(&data->update_lock); |
1da177e4 LT |
1705 | |
1706 | if (time_after(jiffies, data->last_updated + HZ + HZ / 2) | |
1707 | || !data->valid) { | |
1708 | dev_dbg(dev, "Starting device update\n"); | |
1709 | ||
1710 | for (i = 0; i <= 8; i++) { | |
7c7a5304 | 1711 | if (data->type == w83783s && i == 1) |
1da177e4 LT |
1712 | continue; /* 783S has no in1 */ |
1713 | data->in[i] = | |
31b8dc4d | 1714 | w83781d_read_value(data, W83781D_REG_IN(i)); |
1da177e4 | 1715 | data->in_min[i] = |
31b8dc4d | 1716 | w83781d_read_value(data, W83781D_REG_IN_MIN(i)); |
1da177e4 | 1717 | data->in_max[i] = |
31b8dc4d | 1718 | w83781d_read_value(data, W83781D_REG_IN_MAX(i)); |
7c7a5304 | 1719 | if ((data->type != w83782d) |
1da177e4 LT |
1720 | && (data->type != w83627hf) && (i == 6)) |
1721 | break; | |
1722 | } | |
34875337 JD |
1723 | for (i = 0; i < 3; i++) { |
1724 | data->fan[i] = | |
31b8dc4d | 1725 | w83781d_read_value(data, W83781D_REG_FAN(i)); |
34875337 | 1726 | data->fan_min[i] = |
31b8dc4d | 1727 | w83781d_read_value(data, W83781D_REG_FAN_MIN(i)); |
1da177e4 LT |
1728 | } |
1729 | if (data->type != w83781d && data->type != as99127f) { | |
34875337 JD |
1730 | for (i = 0; i < 4; i++) { |
1731 | data->pwm[i] = | |
31b8dc4d | 1732 | w83781d_read_value(data, |
34875337 | 1733 | W83781D_REG_PWM[i]); |
7666c13c | 1734 | if ((data->type != w83782d || !client->driver) |
34875337 | 1735 | && i == 1) |
1da177e4 LT |
1736 | break; |
1737 | } | |
1738 | /* Only PWM2 can be disabled */ | |
34875337 | 1739 | data->pwm2_enable = (w83781d_read_value(data, |
1da177e4 LT |
1740 | W83781D_REG_PWMCLK12) & 0x08) >> 3; |
1741 | } | |
1742 | ||
31b8dc4d | 1743 | data->temp = w83781d_read_value(data, W83781D_REG_TEMP(1)); |
1da177e4 | 1744 | data->temp_max = |
31b8dc4d | 1745 | w83781d_read_value(data, W83781D_REG_TEMP_OVER(1)); |
1da177e4 | 1746 | data->temp_max_hyst = |
31b8dc4d | 1747 | w83781d_read_value(data, W83781D_REG_TEMP_HYST(1)); |
1da177e4 | 1748 | data->temp_add[0] = |
31b8dc4d | 1749 | w83781d_read_value(data, W83781D_REG_TEMP(2)); |
1da177e4 | 1750 | data->temp_max_add[0] = |
31b8dc4d | 1751 | w83781d_read_value(data, W83781D_REG_TEMP_OVER(2)); |
1da177e4 | 1752 | data->temp_max_hyst_add[0] = |
31b8dc4d | 1753 | w83781d_read_value(data, W83781D_REG_TEMP_HYST(2)); |
7c7a5304 | 1754 | if (data->type != w83783s) { |
1da177e4 | 1755 | data->temp_add[1] = |
31b8dc4d | 1756 | w83781d_read_value(data, W83781D_REG_TEMP(3)); |
1da177e4 | 1757 | data->temp_max_add[1] = |
31b8dc4d | 1758 | w83781d_read_value(data, |
1da177e4 LT |
1759 | W83781D_REG_TEMP_OVER(3)); |
1760 | data->temp_max_hyst_add[1] = | |
31b8dc4d | 1761 | w83781d_read_value(data, |
1da177e4 LT |
1762 | W83781D_REG_TEMP_HYST(3)); |
1763 | } | |
31b8dc4d | 1764 | i = w83781d_read_value(data, W83781D_REG_VID_FANDIV); |
7c7a5304 | 1765 | data->vid = i & 0x0f; |
31b8dc4d | 1766 | data->vid |= (w83781d_read_value(data, |
7c7a5304 | 1767 | W83781D_REG_CHIPID) & 0x01) << 4; |
1da177e4 LT |
1768 | data->fan_div[0] = (i >> 4) & 0x03; |
1769 | data->fan_div[1] = (i >> 6) & 0x03; | |
31b8dc4d | 1770 | data->fan_div[2] = (w83781d_read_value(data, |
7c7a5304 | 1771 | W83781D_REG_PIN) >> 6) & 0x03; |
1da177e4 | 1772 | if ((data->type != w83781d) && (data->type != as99127f)) { |
31b8dc4d | 1773 | i = w83781d_read_value(data, W83781D_REG_VBAT); |
1da177e4 LT |
1774 | data->fan_div[0] |= (i >> 3) & 0x04; |
1775 | data->fan_div[1] |= (i >> 4) & 0x04; | |
7c7a5304 | 1776 | data->fan_div[2] |= (i >> 5) & 0x04; |
1da177e4 | 1777 | } |
1da177e4 | 1778 | if ((data->type == w83782d) || (data->type == w83627hf)) { |
31b8dc4d | 1779 | data->alarms = w83781d_read_value(data, |
c7f5d7ed | 1780 | W83782D_REG_ALARM1) |
31b8dc4d | 1781 | | (w83781d_read_value(data, |
c7f5d7ed | 1782 | W83782D_REG_ALARM2) << 8) |
31b8dc4d | 1783 | | (w83781d_read_value(data, |
c7f5d7ed JD |
1784 | W83782D_REG_ALARM3) << 16); |
1785 | } else if (data->type == w83783s) { | |
31b8dc4d | 1786 | data->alarms = w83781d_read_value(data, |
c7f5d7ed | 1787 | W83782D_REG_ALARM1) |
31b8dc4d | 1788 | | (w83781d_read_value(data, |
c7f5d7ed JD |
1789 | W83782D_REG_ALARM2) << 8); |
1790 | } else { | |
1791 | /* No real-time status registers, fall back to | |
1792 | interrupt status registers */ | |
31b8dc4d | 1793 | data->alarms = w83781d_read_value(data, |
c7f5d7ed | 1794 | W83781D_REG_ALARM1) |
31b8dc4d | 1795 | | (w83781d_read_value(data, |
c7f5d7ed | 1796 | W83781D_REG_ALARM2) << 8); |
1da177e4 | 1797 | } |
31b8dc4d | 1798 | i = w83781d_read_value(data, W83781D_REG_BEEP_INTS2); |
1da177e4 LT |
1799 | data->beep_enable = i >> 7; |
1800 | data->beep_mask = ((i & 0x7f) << 8) + | |
31b8dc4d | 1801 | w83781d_read_value(data, W83781D_REG_BEEP_INTS1); |
1da177e4 LT |
1802 | if ((data->type != w83781d) && (data->type != as99127f)) { |
1803 | data->beep_mask |= | |
31b8dc4d | 1804 | w83781d_read_value(data, |
1da177e4 LT |
1805 | W83781D_REG_BEEP_INTS3) << 16; |
1806 | } | |
1807 | data->last_updated = jiffies; | |
1808 | data->valid = 1; | |
1809 | } | |
1810 | ||
9a61bf63 | 1811 | mutex_unlock(&data->update_lock); |
1da177e4 LT |
1812 | |
1813 | return data; | |
1814 | } | |
1815 | ||
7666c13c JD |
1816 | /* return 1 if a supported chip is found, 0 otherwise */ |
1817 | static int __init | |
1818 | w83781d_isa_found(unsigned short address) | |
1819 | { | |
1820 | int val, save, found = 0; | |
1821 | ||
1822 | if (!request_region(address, W83781D_EXTENT, "w83781d")) | |
1823 | return 0; | |
1824 | ||
1825 | #define REALLY_SLOW_IO | |
1826 | /* We need the timeouts for at least some W83781D-like | |
1827 | chips. But only if we read 'undefined' registers. */ | |
1828 | val = inb_p(address + 1); | |
1829 | if (inb_p(address + 2) != val | |
1830 | || inb_p(address + 3) != val | |
1831 | || inb_p(address + 7) != val) { | |
1832 | pr_debug("w83781d: Detection failed at step 1\n"); | |
1833 | goto release; | |
1834 | } | |
1835 | #undef REALLY_SLOW_IO | |
1836 | ||
1837 | /* We should be able to change the 7 LSB of the address port. The | |
1838 | MSB (busy flag) should be clear initially, set after the write. */ | |
1839 | save = inb_p(address + W83781D_ADDR_REG_OFFSET); | |
1840 | if (save & 0x80) { | |
1841 | pr_debug("w83781d: Detection failed at step 2\n"); | |
1842 | goto release; | |
1843 | } | |
1844 | val = ~save & 0x7f; | |
1845 | outb_p(val, address + W83781D_ADDR_REG_OFFSET); | |
1846 | if (inb_p(address + W83781D_ADDR_REG_OFFSET) != (val | 0x80)) { | |
1847 | outb_p(save, address + W83781D_ADDR_REG_OFFSET); | |
1848 | pr_debug("w83781d: Detection failed at step 3\n"); | |
1849 | goto release; | |
1850 | } | |
1851 | ||
1852 | /* We found a device, now see if it could be a W83781D */ | |
1853 | outb_p(W83781D_REG_CONFIG, address + W83781D_ADDR_REG_OFFSET); | |
1854 | val = inb_p(address + W83781D_DATA_REG_OFFSET); | |
1855 | if (val & 0x80) { | |
1856 | pr_debug("w83781d: Detection failed at step 4\n"); | |
1857 | goto release; | |
1858 | } | |
1859 | outb_p(W83781D_REG_BANK, address + W83781D_ADDR_REG_OFFSET); | |
1860 | save = inb_p(address + W83781D_DATA_REG_OFFSET); | |
1861 | outb_p(W83781D_REG_CHIPMAN, address + W83781D_ADDR_REG_OFFSET); | |
1862 | val = inb_p(address + W83781D_DATA_REG_OFFSET); | |
1863 | if ((!(save & 0x80) && (val != 0xa3)) | |
1864 | || ((save & 0x80) && (val != 0x5c))) { | |
1865 | pr_debug("w83781d: Detection failed at step 5\n"); | |
1866 | goto release; | |
1867 | } | |
1868 | outb_p(W83781D_REG_I2C_ADDR, address + W83781D_ADDR_REG_OFFSET); | |
1869 | val = inb_p(address + W83781D_DATA_REG_OFFSET); | |
1870 | if (val < 0x03 || val > 0x77) { /* Not a valid I2C address */ | |
1871 | pr_debug("w83781d: Detection failed at step 6\n"); | |
1872 | goto release; | |
1873 | } | |
1874 | ||
1875 | /* The busy flag should be clear again */ | |
1876 | if (inb_p(address + W83781D_ADDR_REG_OFFSET) & 0x80) { | |
1877 | pr_debug("w83781d: Detection failed at step 7\n"); | |
1878 | goto release; | |
1879 | } | |
1880 | ||
1881 | /* Determine the chip type */ | |
1882 | outb_p(W83781D_REG_BANK, address + W83781D_ADDR_REG_OFFSET); | |
1883 | save = inb_p(address + W83781D_DATA_REG_OFFSET); | |
1884 | outb_p(save & 0xf8, address + W83781D_DATA_REG_OFFSET); | |
1885 | outb_p(W83781D_REG_WCHIPID, address + W83781D_ADDR_REG_OFFSET); | |
1886 | val = inb_p(address + W83781D_DATA_REG_OFFSET); | |
1887 | if ((val & 0xfe) == 0x10 /* W83781D */ | |
1888 | || val == 0x30 /* W83782D */ | |
1889 | || val == 0x21) /* W83627HF */ | |
1890 | found = 1; | |
1891 | ||
1892 | if (found) | |
1893 | pr_info("w83781d: Found a %s chip at %#x\n", | |
1894 | val == 0x21 ? "W83627HF" : | |
1895 | val == 0x30 ? "W83782D" : "W83781D", (int)address); | |
1896 | ||
1897 | release: | |
1898 | release_region(address, W83781D_EXTENT); | |
1899 | return found; | |
1900 | } | |
1901 | ||
1902 | static int __init | |
1903 | w83781d_isa_device_add(unsigned short address) | |
1904 | { | |
1905 | struct resource res = { | |
1906 | .start = address, | |
15bde2f1 | 1907 | .end = address + W83781D_EXTENT - 1, |
7666c13c JD |
1908 | .name = "w83781d", |
1909 | .flags = IORESOURCE_IO, | |
1910 | }; | |
1911 | int err; | |
1912 | ||
1913 | pdev = platform_device_alloc("w83781d", address); | |
1914 | if (!pdev) { | |
1915 | err = -ENOMEM; | |
1916 | printk(KERN_ERR "w83781d: Device allocation failed\n"); | |
1917 | goto exit; | |
1918 | } | |
1919 | ||
1920 | err = platform_device_add_resources(pdev, &res, 1); | |
1921 | if (err) { | |
1922 | printk(KERN_ERR "w83781d: Device resource addition failed " | |
1923 | "(%d)\n", err); | |
1924 | goto exit_device_put; | |
1925 | } | |
1926 | ||
1927 | err = platform_device_add(pdev); | |
1928 | if (err) { | |
1929 | printk(KERN_ERR "w83781d: Device addition failed (%d)\n", | |
1930 | err); | |
1931 | goto exit_device_put; | |
1932 | } | |
1933 | ||
1934 | return 0; | |
1935 | ||
1936 | exit_device_put: | |
1937 | platform_device_put(pdev); | |
1938 | exit: | |
1939 | pdev = NULL; | |
1940 | return err; | |
1941 | } | |
1942 | ||
1da177e4 LT |
1943 | static int __init |
1944 | sensors_w83781d_init(void) | |
1945 | { | |
fde09509 JD |
1946 | int res; |
1947 | ||
1948 | res = i2c_add_driver(&w83781d_driver); | |
1949 | if (res) | |
7666c13c JD |
1950 | goto exit; |
1951 | ||
1952 | if (w83781d_isa_found(isa_address)) { | |
1953 | res = platform_driver_register(&w83781d_isa_driver); | |
1954 | if (res) | |
1955 | goto exit_unreg_i2c_driver; | |
fde09509 | 1956 | |
7666c13c JD |
1957 | /* Sets global pdev as a side effect */ |
1958 | res = w83781d_isa_device_add(isa_address); | |
1959 | if (res) | |
1960 | goto exit_unreg_isa_driver; | |
1961 | } | |
fde09509 JD |
1962 | |
1963 | return 0; | |
7666c13c JD |
1964 | |
1965 | exit_unreg_isa_driver: | |
1966 | platform_driver_unregister(&w83781d_isa_driver); | |
1967 | exit_unreg_i2c_driver: | |
1968 | i2c_del_driver(&w83781d_driver); | |
1969 | exit: | |
1970 | return res; | |
1da177e4 LT |
1971 | } |
1972 | ||
1973 | static void __exit | |
1974 | sensors_w83781d_exit(void) | |
1975 | { | |
7666c13c JD |
1976 | if (pdev) { |
1977 | platform_device_unregister(pdev); | |
1978 | platform_driver_unregister(&w83781d_isa_driver); | |
1979 | } | |
1da177e4 LT |
1980 | i2c_del_driver(&w83781d_driver); |
1981 | } | |
1982 | ||
1983 | MODULE_AUTHOR("Frodo Looijaard <frodol@dds.nl>, " | |
1984 | "Philip Edelbrock <phil@netroedge.com>, " | |
1985 | "and Mark Studebaker <mdsxyz123@yahoo.com>"); | |
1986 | MODULE_DESCRIPTION("W83781D driver"); | |
1987 | MODULE_LICENSE("GPL"); | |
1988 | ||
1989 | module_init(sensors_w83781d_init); | |
1990 | module_exit(sensors_w83781d_exit); |