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5563e27d M |
1 | /* |
2 | w83792d.c - Part of lm_sensors, Linux kernel modules for hardware | |
3 | monitoring | |
4 | Copyright (C) 2004, 2005 Winbond Electronics Corp. | |
5 | Chunhao Huang <DZShen@Winbond.com.tw>, | |
6 | Rudolf Marek <r.marek@sh.cvut.cz> | |
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 | Note: | |
23 | 1. This driver is only for 2.6 kernel, 2.4 kernel need a different driver. | |
24 | 2. This driver is only for Winbond W83792D C version device, there | |
25 | are also some motherboards with B version W83792D device. The | |
26 | calculation method to in6-in7(measured value, limits) is a little | |
27 | different between C and B version. C or B version can be identified | |
28 | by CR[0x49h]. | |
29 | */ | |
30 | ||
31 | /* | |
32 | Supports following chips: | |
33 | ||
34 | Chip #vin #fanin #pwm #temp wchipid vendid i2c ISA | |
35 | w83792d 9 7 7 3 0x7a 0x5ca3 yes no | |
36 | */ | |
37 | ||
38 | #include <linux/config.h> | |
39 | #include <linux/module.h> | |
40 | #include <linux/init.h> | |
41 | #include <linux/slab.h> | |
42 | #include <linux/i2c.h> | |
ce785ab4 | 43 | #include <linux/hwmon.h> |
5563e27d | 44 | #include <linux/hwmon-sysfs.h> |
ce785ab4 | 45 | #include <linux/err.h> |
5563e27d M |
46 | |
47 | /* Addresses to scan */ | |
48 | static unsigned short normal_i2c[] = { 0x2c, 0x2d, 0x2e, 0x2f, I2C_CLIENT_END }; | |
49 | ||
50 | /* Insmod parameters */ | |
f4b50261 | 51 | I2C_CLIENT_INSMOD_1(w83792d); |
5563e27d M |
52 | I2C_CLIENT_MODULE_PARM(force_subclients, "List of subclient addresses: " |
53 | "{bus, clientaddr, subclientaddr1, subclientaddr2}"); | |
54 | ||
55 | static int init; | |
56 | module_param(init, bool, 0); | |
57 | MODULE_PARM_DESC(init, "Set to one to force chip initialization"); | |
58 | ||
59 | /* The W83792D registers */ | |
60 | static const u8 W83792D_REG_IN[9] = { | |
61 | 0x20, /* Vcore A in DataSheet */ | |
62 | 0x21, /* Vcore B in DataSheet */ | |
63 | 0x22, /* VIN0 in DataSheet */ | |
64 | 0x23, /* VIN1 in DataSheet */ | |
65 | 0x24, /* VIN2 in DataSheet */ | |
66 | 0x25, /* VIN3 in DataSheet */ | |
67 | 0x26, /* 5VCC in DataSheet */ | |
68 | 0xB0, /* 5VSB in DataSheet */ | |
69 | 0xB1 /* VBAT in DataSheet */ | |
70 | }; | |
71 | #define W83792D_REG_LOW_BITS1 0x3E /* Low Bits I in DataSheet */ | |
72 | #define W83792D_REG_LOW_BITS2 0x3F /* Low Bits II in DataSheet */ | |
73 | static const u8 W83792D_REG_IN_MAX[9] = { | |
74 | 0x2B, /* Vcore A High Limit in DataSheet */ | |
75 | 0x2D, /* Vcore B High Limit in DataSheet */ | |
76 | 0x2F, /* VIN0 High Limit in DataSheet */ | |
77 | 0x31, /* VIN1 High Limit in DataSheet */ | |
78 | 0x33, /* VIN2 High Limit in DataSheet */ | |
79 | 0x35, /* VIN3 High Limit in DataSheet */ | |
80 | 0x37, /* 5VCC High Limit in DataSheet */ | |
81 | 0xB4, /* 5VSB High Limit in DataSheet */ | |
82 | 0xB6 /* VBAT High Limit in DataSheet */ | |
83 | }; | |
84 | static const u8 W83792D_REG_IN_MIN[9] = { | |
85 | 0x2C, /* Vcore A Low Limit in DataSheet */ | |
86 | 0x2E, /* Vcore B Low Limit in DataSheet */ | |
87 | 0x30, /* VIN0 Low Limit in DataSheet */ | |
88 | 0x32, /* VIN1 Low Limit in DataSheet */ | |
89 | 0x34, /* VIN2 Low Limit in DataSheet */ | |
90 | 0x36, /* VIN3 Low Limit in DataSheet */ | |
91 | 0x38, /* 5VCC Low Limit in DataSheet */ | |
92 | 0xB5, /* 5VSB Low Limit in DataSheet */ | |
93 | 0xB7 /* VBAT Low Limit in DataSheet */ | |
94 | }; | |
95 | static const u8 W83792D_REG_FAN[7] = { | |
96 | 0x28, /* FAN 1 Count in DataSheet */ | |
97 | 0x29, /* FAN 2 Count in DataSheet */ | |
98 | 0x2A, /* FAN 3 Count in DataSheet */ | |
99 | 0xB8, /* FAN 4 Count in DataSheet */ | |
100 | 0xB9, /* FAN 5 Count in DataSheet */ | |
101 | 0xBA, /* FAN 6 Count in DataSheet */ | |
102 | 0xBE /* FAN 7 Count in DataSheet */ | |
103 | }; | |
104 | static const u8 W83792D_REG_FAN_MIN[7] = { | |
105 | 0x3B, /* FAN 1 Count Low Limit in DataSheet */ | |
106 | 0x3C, /* FAN 2 Count Low Limit in DataSheet */ | |
107 | 0x3D, /* FAN 3 Count Low Limit in DataSheet */ | |
108 | 0xBB, /* FAN 4 Count Low Limit in DataSheet */ | |
109 | 0xBC, /* FAN 5 Count Low Limit in DataSheet */ | |
110 | 0xBD, /* FAN 6 Count Low Limit in DataSheet */ | |
111 | 0xBF /* FAN 7 Count Low Limit in DataSheet */ | |
112 | }; | |
113 | #define W83792D_REG_FAN_CFG 0x84 /* FAN Configuration in DataSheet */ | |
114 | static const u8 W83792D_REG_FAN_DIV[4] = { | |
115 | 0x47, /* contains FAN2 and FAN1 Divisor */ | |
116 | 0x5B, /* contains FAN4 and FAN3 Divisor */ | |
117 | 0x5C, /* contains FAN6 and FAN5 Divisor */ | |
118 | 0x9E /* contains FAN7 Divisor. */ | |
119 | }; | |
120 | static const u8 W83792D_REG_PWM[7] = { | |
121 | 0x81, /* FAN 1 Duty Cycle, be used to control */ | |
122 | 0x83, /* FAN 2 Duty Cycle, be used to control */ | |
123 | 0x94, /* FAN 3 Duty Cycle, be used to control */ | |
124 | 0xA3, /* FAN 4 Duty Cycle, be used to control */ | |
125 | 0xA4, /* FAN 5 Duty Cycle, be used to control */ | |
126 | 0xA5, /* FAN 6 Duty Cycle, be used to control */ | |
127 | 0xA6 /* FAN 7 Duty Cycle, be used to control */ | |
128 | }; | |
129 | #define W83792D_REG_BANK 0x4E | |
130 | #define W83792D_REG_TEMP2_CONFIG 0xC2 | |
131 | #define W83792D_REG_TEMP3_CONFIG 0xCA | |
132 | ||
133 | static const u8 W83792D_REG_TEMP1[3] = { | |
134 | 0x27, /* TEMP 1 in DataSheet */ | |
135 | 0x39, /* TEMP 1 Over in DataSheet */ | |
136 | 0x3A, /* TEMP 1 Hyst in DataSheet */ | |
137 | }; | |
138 | ||
139 | static const u8 W83792D_REG_TEMP_ADD[2][6] = { | |
140 | { 0xC0, /* TEMP 2 in DataSheet */ | |
141 | 0xC1, /* TEMP 2(0.5 deg) in DataSheet */ | |
142 | 0xC5, /* TEMP 2 Over High part in DataSheet */ | |
143 | 0xC6, /* TEMP 2 Over Low part in DataSheet */ | |
144 | 0xC3, /* TEMP 2 Thyst High part in DataSheet */ | |
145 | 0xC4 }, /* TEMP 2 Thyst Low part in DataSheet */ | |
146 | { 0xC8, /* TEMP 3 in DataSheet */ | |
147 | 0xC9, /* TEMP 3(0.5 deg) in DataSheet */ | |
148 | 0xCD, /* TEMP 3 Over High part in DataSheet */ | |
149 | 0xCE, /* TEMP 3 Over Low part in DataSheet */ | |
150 | 0xCB, /* TEMP 3 Thyst High part in DataSheet */ | |
151 | 0xCC } /* TEMP 3 Thyst Low part in DataSheet */ | |
152 | }; | |
153 | ||
154 | static const u8 W83792D_REG_THERMAL[3] = { | |
155 | 0x85, /* SmartFanI: Fan1 target value */ | |
156 | 0x86, /* SmartFanI: Fan2 target value */ | |
157 | 0x96 /* SmartFanI: Fan3 target value */ | |
158 | }; | |
159 | ||
160 | static const u8 W83792D_REG_TOLERANCE[3] = { | |
161 | 0x87, /* (bit3-0)SmartFan Fan1 tolerance */ | |
162 | 0x87, /* (bit7-4)SmartFan Fan2 tolerance */ | |
163 | 0x97 /* (bit3-0)SmartFan Fan3 tolerance */ | |
164 | }; | |
165 | ||
166 | static const u8 W83792D_REG_POINTS[3][4] = { | |
167 | { 0x85, /* SmartFanII: Fan1 temp point 1 */ | |
168 | 0xE3, /* SmartFanII: Fan1 temp point 2 */ | |
169 | 0xE4, /* SmartFanII: Fan1 temp point 3 */ | |
170 | 0xE5 }, /* SmartFanII: Fan1 temp point 4 */ | |
171 | { 0x86, /* SmartFanII: Fan2 temp point 1 */ | |
172 | 0xE6, /* SmartFanII: Fan2 temp point 2 */ | |
173 | 0xE7, /* SmartFanII: Fan2 temp point 3 */ | |
174 | 0xE8 }, /* SmartFanII: Fan2 temp point 4 */ | |
175 | { 0x96, /* SmartFanII: Fan3 temp point 1 */ | |
176 | 0xE9, /* SmartFanII: Fan3 temp point 2 */ | |
177 | 0xEA, /* SmartFanII: Fan3 temp point 3 */ | |
178 | 0xEB } /* SmartFanII: Fan3 temp point 4 */ | |
179 | }; | |
180 | ||
181 | static const u8 W83792D_REG_LEVELS[3][4] = { | |
182 | { 0x88, /* (bit3-0) SmartFanII: Fan1 Non-Stop */ | |
183 | 0x88, /* (bit7-4) SmartFanII: Fan1 Level 1 */ | |
184 | 0xE0, /* (bit7-4) SmartFanII: Fan1 Level 2 */ | |
185 | 0xE0 }, /* (bit3-0) SmartFanII: Fan1 Level 3 */ | |
186 | { 0x89, /* (bit3-0) SmartFanII: Fan2 Non-Stop */ | |
187 | 0x89, /* (bit7-4) SmartFanII: Fan2 Level 1 */ | |
188 | 0xE1, /* (bit7-4) SmartFanII: Fan2 Level 2 */ | |
189 | 0xE1 }, /* (bit3-0) SmartFanII: Fan2 Level 3 */ | |
190 | { 0x98, /* (bit3-0) SmartFanII: Fan3 Non-Stop */ | |
191 | 0x98, /* (bit7-4) SmartFanII: Fan3 Level 1 */ | |
192 | 0xE2, /* (bit7-4) SmartFanII: Fan3 Level 2 */ | |
193 | 0xE2 } /* (bit3-0) SmartFanII: Fan3 Level 3 */ | |
194 | }; | |
195 | ||
96320519 | 196 | #define W83792D_REG_GPIO_EN 0x1A |
5563e27d M |
197 | #define W83792D_REG_CONFIG 0x40 |
198 | #define W83792D_REG_VID_FANDIV 0x47 | |
199 | #define W83792D_REG_CHIPID 0x49 | |
200 | #define W83792D_REG_WCHIPID 0x58 | |
201 | #define W83792D_REG_CHIPMAN 0x4F | |
202 | #define W83792D_REG_PIN 0x4B | |
203 | #define W83792D_REG_I2C_SUBADDR 0x4A | |
204 | ||
205 | #define W83792D_REG_ALARM1 0xA9 /* realtime status register1 */ | |
206 | #define W83792D_REG_ALARM2 0xAA /* realtime status register2 */ | |
207 | #define W83792D_REG_ALARM3 0xAB /* realtime status register3 */ | |
208 | #define W83792D_REG_CHASSIS 0x42 /* Bit 5: Case Open status bit */ | |
209 | #define W83792D_REG_CHASSIS_CLR 0x44 /* Bit 7: Case Open CLR_CHS/Reset bit */ | |
210 | ||
211 | /* control in0/in1 's limit modifiability */ | |
212 | #define W83792D_REG_VID_IN_B 0x17 | |
213 | ||
214 | #define W83792D_REG_VBAT 0x5D | |
215 | #define W83792D_REG_I2C_ADDR 0x48 | |
216 | ||
217 | /* Conversions. Rounding and limit checking is only done on the TO_REG | |
218 | variants. Note that you should be a bit careful with which arguments | |
219 | these macros are called: arguments may be evaluated more than once. | |
220 | Fixing this is just not worth it. */ | |
221 | #define IN_FROM_REG(nr,val) (((nr)<=1)?(val*2): \ | |
222 | ((((nr)==6)||((nr)==7))?(val*6):(val*4))) | |
223 | #define IN_TO_REG(nr,val) (((nr)<=1)?(val/2): \ | |
224 | ((((nr)==6)||((nr)==7))?(val/6):(val/4))) | |
225 | ||
226 | static inline u8 | |
227 | FAN_TO_REG(long rpm, int div) | |
228 | { | |
229 | if (rpm == 0) | |
230 | return 255; | |
231 | rpm = SENSORS_LIMIT(rpm, 1, 1000000); | |
232 | return SENSORS_LIMIT((1350000 + rpm * div / 2) / (rpm * div), 1, 254); | |
233 | } | |
234 | ||
235 | #define FAN_FROM_REG(val,div) ((val) == 0 ? -1 : \ | |
236 | ((val) == 255 ? 0 : \ | |
237 | 1350000 / ((val) * (div)))) | |
238 | ||
239 | /* for temp1 */ | |
240 | #define TEMP1_TO_REG(val) (SENSORS_LIMIT(((val) < 0 ? (val)+0x100*1000 \ | |
241 | : (val)) / 1000, 0, 0xff)) | |
242 | #define TEMP1_FROM_REG(val) (((val) & 0x80 ? (val)-0x100 : (val)) * 1000) | |
243 | /* for temp2 and temp3, because they need addtional resolution */ | |
244 | #define TEMP_ADD_FROM_REG(val1, val2) \ | |
245 | ((((val1) & 0x80 ? (val1)-0x100 \ | |
246 | : (val1)) * 1000) + ((val2 & 0x80) ? 500 : 0)) | |
247 | #define TEMP_ADD_TO_REG_HIGH(val) \ | |
248 | (SENSORS_LIMIT(((val) < 0 ? (val)+0x100*1000 \ | |
249 | : (val)) / 1000, 0, 0xff)) | |
250 | #define TEMP_ADD_TO_REG_LOW(val) ((val%1000) ? 0x80 : 0x00) | |
251 | ||
252 | #define PWM_FROM_REG(val) (val) | |
253 | #define PWM_TO_REG(val) (SENSORS_LIMIT((val),0,255)) | |
254 | #define DIV_FROM_REG(val) (1 << (val)) | |
255 | ||
256 | static inline u8 | |
257 | DIV_TO_REG(long val) | |
258 | { | |
259 | int i; | |
260 | val = SENSORS_LIMIT(val, 1, 128) >> 1; | |
96320519 | 261 | for (i = 0; i < 7; i++) { |
5563e27d M |
262 | if (val == 0) |
263 | break; | |
264 | val >>= 1; | |
265 | } | |
266 | return ((u8) i); | |
267 | } | |
268 | ||
269 | struct w83792d_data { | |
270 | struct i2c_client client; | |
ce785ab4 | 271 | struct class_device *class_dev; |
5563e27d M |
272 | enum chips type; |
273 | ||
274 | struct semaphore update_lock; | |
275 | char valid; /* !=0 if following fields are valid */ | |
276 | unsigned long last_updated; /* In jiffies */ | |
277 | ||
278 | /* array of 2 pointers to subclients */ | |
279 | struct i2c_client *lm75[2]; | |
280 | ||
281 | u8 in[9]; /* Register value */ | |
282 | u8 in_max[9]; /* Register value */ | |
283 | u8 in_min[9]; /* Register value */ | |
99d85560 | 284 | u16 low_bits; /* Additional resolution to voltage in6-0 */ |
5563e27d M |
285 | u8 fan[7]; /* Register value */ |
286 | u8 fan_min[7]; /* Register value */ | |
287 | u8 temp1[3]; /* current, over, thyst */ | |
288 | u8 temp_add[2][6]; /* Register value */ | |
289 | u8 fan_div[7]; /* Register encoding, shifted right */ | |
290 | u8 pwm[7]; /* We only consider the first 3 set of pwm, | |
291 | although 792 chip has 7 set of pwm. */ | |
292 | u8 pwmenable[3]; | |
293 | u8 pwm_mode[7]; /* indicates PWM or DC mode: 1->PWM; 0->DC */ | |
294 | u32 alarms; /* realtime status register encoding,combined */ | |
295 | u8 chassis; /* Chassis status */ | |
296 | u8 chassis_clear; /* CLR_CHS, clear chassis intrusion detection */ | |
297 | u8 thermal_cruise[3]; /* Smart FanI: Fan1,2,3 target value */ | |
298 | u8 tolerance[3]; /* Fan1,2,3 tolerance(Smart Fan I/II) */ | |
299 | u8 sf2_points[3][4]; /* Smart FanII: Fan1,2,3 temperature points */ | |
300 | u8 sf2_levels[3][4]; /* Smart FanII: Fan1,2,3 duty cycle levels */ | |
301 | }; | |
302 | ||
303 | static int w83792d_attach_adapter(struct i2c_adapter *adapter); | |
304 | static int w83792d_detect(struct i2c_adapter *adapter, int address, int kind); | |
305 | static int w83792d_detach_client(struct i2c_client *client); | |
306 | ||
307 | static int w83792d_read_value(struct i2c_client *client, u8 register); | |
308 | static int w83792d_write_value(struct i2c_client *client, u8 register, | |
309 | u8 value); | |
310 | static struct w83792d_data *w83792d_update_device(struct device *dev); | |
311 | ||
312 | #ifdef DEBUG | |
313 | static void w83792d_print_debug(struct w83792d_data *data, struct device *dev); | |
314 | #endif | |
315 | ||
316 | static void w83792d_init_client(struct i2c_client *client); | |
317 | ||
318 | static struct i2c_driver w83792d_driver = { | |
cdaf7934 | 319 | .driver = { |
cdaf7934 LR |
320 | .name = "w83792d", |
321 | }, | |
5563e27d M |
322 | .attach_adapter = w83792d_attach_adapter, |
323 | .detach_client = w83792d_detach_client, | |
324 | }; | |
325 | ||
99d85560 | 326 | static inline long in_count_from_reg(int nr, struct w83792d_data *data) |
5563e27d | 327 | { |
99d85560 JD |
328 | /* in7 and in8 do not have low bits, but the formula still works */ |
329 | return ((data->in[nr] << 2) | ((data->low_bits >> (2 * nr)) & 0x03)); | |
5563e27d M |
330 | } |
331 | ||
332 | /* following are the sysfs callback functions */ | |
333 | static ssize_t show_in(struct device *dev, struct device_attribute *attr, | |
334 | char *buf) | |
335 | { | |
336 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); | |
337 | int nr = sensor_attr->index; | |
338 | struct w83792d_data *data = w83792d_update_device(dev); | |
339 | return sprintf(buf,"%ld\n", IN_FROM_REG(nr,(in_count_from_reg(nr, data)))); | |
340 | } | |
341 | ||
342 | #define show_in_reg(reg) \ | |
343 | static ssize_t show_##reg(struct device *dev, struct device_attribute *attr, \ | |
344 | char *buf) \ | |
345 | { \ | |
346 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); \ | |
347 | int nr = sensor_attr->index; \ | |
348 | struct w83792d_data *data = w83792d_update_device(dev); \ | |
349 | return sprintf(buf,"%ld\n", (long)(IN_FROM_REG(nr, (data->reg[nr])*4))); \ | |
350 | } | |
351 | ||
352 | show_in_reg(in_min); | |
353 | show_in_reg(in_max); | |
354 | ||
355 | #define store_in_reg(REG, reg) \ | |
356 | static ssize_t store_in_##reg (struct device *dev, \ | |
357 | struct device_attribute *attr, \ | |
358 | const char *buf, size_t count) \ | |
359 | { \ | |
360 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); \ | |
361 | int nr = sensor_attr->index; \ | |
362 | struct i2c_client *client = to_i2c_client(dev); \ | |
363 | struct w83792d_data *data = i2c_get_clientdata(client); \ | |
364 | u32 val; \ | |
365 | \ | |
366 | val = simple_strtoul(buf, NULL, 10); \ | |
367 | data->in_##reg[nr] = SENSORS_LIMIT(IN_TO_REG(nr, val)/4, 0, 255); \ | |
368 | w83792d_write_value(client, W83792D_REG_IN_##REG[nr], data->in_##reg[nr]); \ | |
369 | \ | |
370 | return count; \ | |
371 | } | |
372 | store_in_reg(MIN, min); | |
373 | store_in_reg(MAX, max); | |
374 | ||
375 | #define sysfs_in_reg(offset) \ | |
376 | static SENSOR_DEVICE_ATTR(in##offset##_input, S_IRUGO, show_in, \ | |
377 | NULL, offset); \ | |
378 | static SENSOR_DEVICE_ATTR(in##offset##_min, S_IRUGO | S_IWUSR, \ | |
379 | show_in_min, store_in_min, offset); \ | |
380 | static SENSOR_DEVICE_ATTR(in##offset##_max, S_IRUGO | S_IWUSR, \ | |
381 | show_in_max, store_in_max, offset); | |
382 | ||
383 | sysfs_in_reg(0); | |
384 | sysfs_in_reg(1); | |
385 | sysfs_in_reg(2); | |
386 | sysfs_in_reg(3); | |
387 | sysfs_in_reg(4); | |
388 | sysfs_in_reg(5); | |
389 | sysfs_in_reg(6); | |
390 | sysfs_in_reg(7); | |
391 | sysfs_in_reg(8); | |
392 | ||
393 | #define device_create_file_in(client, offset) \ | |
394 | do { \ | |
395 | device_create_file(&client->dev, &sensor_dev_attr_in##offset##_input.dev_attr); \ | |
396 | device_create_file(&client->dev, &sensor_dev_attr_in##offset##_max.dev_attr); \ | |
397 | device_create_file(&client->dev, &sensor_dev_attr_in##offset##_min.dev_attr); \ | |
398 | } while (0) | |
399 | ||
400 | #define show_fan_reg(reg) \ | |
401 | static ssize_t show_##reg (struct device *dev, struct device_attribute *attr, \ | |
402 | char *buf) \ | |
403 | { \ | |
404 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); \ | |
405 | int nr = sensor_attr->index - 1; \ | |
406 | struct w83792d_data *data = w83792d_update_device(dev); \ | |
407 | return sprintf(buf,"%d\n", \ | |
408 | FAN_FROM_REG(data->reg[nr], DIV_FROM_REG(data->fan_div[nr]))); \ | |
409 | } | |
410 | ||
411 | show_fan_reg(fan); | |
412 | show_fan_reg(fan_min); | |
413 | ||
414 | static ssize_t | |
415 | store_fan_min(struct device *dev, struct device_attribute *attr, | |
416 | const char *buf, size_t count) | |
417 | { | |
418 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); | |
419 | int nr = sensor_attr->index - 1; | |
420 | struct i2c_client *client = to_i2c_client(dev); | |
421 | struct w83792d_data *data = i2c_get_clientdata(client); | |
422 | u32 val; | |
423 | ||
424 | val = simple_strtoul(buf, NULL, 10); | |
425 | data->fan_min[nr] = FAN_TO_REG(val, DIV_FROM_REG(data->fan_div[nr])); | |
426 | w83792d_write_value(client, W83792D_REG_FAN_MIN[nr], | |
427 | data->fan_min[nr]); | |
428 | ||
429 | return count; | |
430 | } | |
431 | ||
432 | static ssize_t | |
433 | show_fan_div(struct device *dev, struct device_attribute *attr, | |
434 | char *buf) | |
435 | { | |
436 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); | |
437 | int nr = sensor_attr->index; | |
438 | struct w83792d_data *data = w83792d_update_device(dev); | |
439 | return sprintf(buf, "%u\n", DIV_FROM_REG(data->fan_div[nr - 1])); | |
440 | } | |
441 | ||
442 | /* Note: we save and restore the fan minimum here, because its value is | |
443 | determined in part by the fan divisor. This follows the principle of | |
444 | least suprise; the user doesn't expect the fan minimum to change just | |
445 | because the divisor changed. */ | |
446 | static ssize_t | |
447 | store_fan_div(struct device *dev, struct device_attribute *attr, | |
448 | const char *buf, size_t count) | |
449 | { | |
450 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); | |
451 | int nr = sensor_attr->index - 1; | |
452 | struct i2c_client *client = to_i2c_client(dev); | |
453 | struct w83792d_data *data = i2c_get_clientdata(client); | |
454 | unsigned long min; | |
455 | /*u8 reg;*/ | |
456 | u8 fan_div_reg = 0; | |
457 | u8 tmp_fan_div; | |
458 | ||
459 | /* Save fan_min */ | |
460 | min = FAN_FROM_REG(data->fan_min[nr], | |
461 | DIV_FROM_REG(data->fan_div[nr])); | |
462 | ||
463 | data->fan_div[nr] = DIV_TO_REG(simple_strtoul(buf, NULL, 10)); | |
464 | ||
465 | fan_div_reg = w83792d_read_value(client, W83792D_REG_FAN_DIV[nr >> 1]); | |
466 | fan_div_reg &= (nr & 0x01) ? 0x8f : 0xf8; | |
467 | tmp_fan_div = (nr & 0x01) ? (((data->fan_div[nr]) << 4) & 0x70) | |
468 | : ((data->fan_div[nr]) & 0x07); | |
469 | w83792d_write_value(client, W83792D_REG_FAN_DIV[nr >> 1], | |
470 | fan_div_reg | tmp_fan_div); | |
471 | ||
472 | /* Restore fan_min */ | |
473 | data->fan_min[nr] = FAN_TO_REG(min, DIV_FROM_REG(data->fan_div[nr])); | |
474 | w83792d_write_value(client, W83792D_REG_FAN_MIN[nr], data->fan_min[nr]); | |
475 | ||
476 | return count; | |
477 | } | |
478 | ||
479 | #define sysfs_fan(offset) \ | |
480 | static SENSOR_DEVICE_ATTR(fan##offset##_input, S_IRUGO, show_fan, NULL, \ | |
481 | offset); \ | |
482 | static SENSOR_DEVICE_ATTR(fan##offset##_div, S_IRUGO | S_IWUSR, \ | |
483 | show_fan_div, store_fan_div, offset); \ | |
484 | static SENSOR_DEVICE_ATTR(fan##offset##_min, S_IRUGO | S_IWUSR, \ | |
485 | show_fan_min, store_fan_min, offset); | |
486 | ||
487 | sysfs_fan(1); | |
488 | sysfs_fan(2); | |
489 | sysfs_fan(3); | |
490 | sysfs_fan(4); | |
491 | sysfs_fan(5); | |
492 | sysfs_fan(6); | |
493 | sysfs_fan(7); | |
494 | ||
495 | #define device_create_file_fan(client, offset) \ | |
496 | do { \ | |
497 | device_create_file(&client->dev, &sensor_dev_attr_fan##offset##_input.dev_attr); \ | |
498 | device_create_file(&client->dev, &sensor_dev_attr_fan##offset##_div.dev_attr); \ | |
499 | device_create_file(&client->dev, &sensor_dev_attr_fan##offset##_min.dev_attr); \ | |
500 | } while (0) | |
501 | ||
502 | ||
503 | /* read/write the temperature1, includes measured value and limits */ | |
504 | ||
505 | static ssize_t show_temp1(struct device *dev, struct device_attribute *attr, | |
506 | char *buf) | |
507 | { | |
508 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); | |
509 | int nr = sensor_attr->index; | |
510 | struct w83792d_data *data = w83792d_update_device(dev); | |
511 | return sprintf(buf, "%d\n", TEMP1_FROM_REG(data->temp1[nr])); | |
512 | } | |
513 | ||
514 | static ssize_t store_temp1(struct device *dev, struct device_attribute *attr, | |
515 | const char *buf, size_t count) | |
516 | { | |
517 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); | |
518 | int nr = sensor_attr->index; | |
519 | struct i2c_client *client = to_i2c_client(dev); | |
520 | struct w83792d_data *data = i2c_get_clientdata(client); | |
521 | s32 val; | |
522 | ||
523 | val = simple_strtol(buf, NULL, 10); | |
524 | ||
525 | data->temp1[nr] = TEMP1_TO_REG(val); | |
526 | w83792d_write_value(client, W83792D_REG_TEMP1[nr], | |
527 | data->temp1[nr]); | |
528 | ||
529 | return count; | |
530 | } | |
531 | ||
532 | ||
533 | static SENSOR_DEVICE_ATTR(temp1_input, S_IRUGO, show_temp1, NULL, 0); | |
534 | static SENSOR_DEVICE_ATTR(temp1_max, S_IRUGO | S_IWUSR, show_temp1, | |
535 | store_temp1, 1); | |
536 | static SENSOR_DEVICE_ATTR(temp1_max_hyst, S_IRUGO | S_IWUSR, show_temp1, | |
537 | store_temp1, 2); | |
538 | ||
539 | #define device_create_file_temp1(client) \ | |
540 | do { \ | |
541 | device_create_file(&client->dev, &sensor_dev_attr_temp1_input.dev_attr); \ | |
542 | device_create_file(&client->dev, &sensor_dev_attr_temp1_max.dev_attr); \ | |
543 | device_create_file(&client->dev, &sensor_dev_attr_temp1_max_hyst.dev_attr); \ | |
544 | } while (0) | |
545 | ||
546 | ||
547 | /* read/write the temperature2-3, includes measured value and limits */ | |
548 | ||
549 | static ssize_t show_temp23(struct device *dev, struct device_attribute *attr, | |
550 | char *buf) | |
551 | { | |
552 | struct sensor_device_attribute_2 *sensor_attr = to_sensor_dev_attr_2(attr); | |
553 | int nr = sensor_attr->nr; | |
554 | int index = sensor_attr->index; | |
555 | struct w83792d_data *data = w83792d_update_device(dev); | |
556 | return sprintf(buf,"%ld\n", | |
557 | (long)TEMP_ADD_FROM_REG(data->temp_add[nr][index], | |
558 | data->temp_add[nr][index+1])); | |
559 | } | |
560 | ||
561 | static ssize_t store_temp23(struct device *dev, struct device_attribute *attr, | |
562 | const char *buf, size_t count) | |
563 | { | |
564 | struct sensor_device_attribute_2 *sensor_attr = to_sensor_dev_attr_2(attr); | |
565 | int nr = sensor_attr->nr; | |
566 | int index = sensor_attr->index; | |
567 | struct i2c_client *client = to_i2c_client(dev); | |
568 | struct w83792d_data *data = i2c_get_clientdata(client); | |
569 | s32 val; | |
570 | ||
571 | val = simple_strtol(buf, NULL, 10); | |
572 | ||
573 | data->temp_add[nr][index] = TEMP_ADD_TO_REG_HIGH(val); | |
574 | data->temp_add[nr][index+1] = TEMP_ADD_TO_REG_LOW(val); | |
575 | w83792d_write_value(client, W83792D_REG_TEMP_ADD[nr][index], | |
576 | data->temp_add[nr][index]); | |
577 | w83792d_write_value(client, W83792D_REG_TEMP_ADD[nr][index+1], | |
578 | data->temp_add[nr][index+1]); | |
579 | ||
580 | return count; | |
581 | } | |
582 | ||
583 | #define sysfs_temp23(name,idx) \ | |
584 | static SENSOR_DEVICE_ATTR_2(name##_input, S_IRUGO, show_temp23, NULL, \ | |
585 | idx, 0); \ | |
586 | static SENSOR_DEVICE_ATTR_2(name##_max, S_IRUGO | S_IWUSR, \ | |
587 | show_temp23, store_temp23, idx, 2); \ | |
588 | static SENSOR_DEVICE_ATTR_2(name##_max_hyst, S_IRUGO | S_IWUSR, \ | |
589 | show_temp23, store_temp23, idx, 4); | |
590 | ||
591 | sysfs_temp23(temp2,0) | |
592 | sysfs_temp23(temp3,1) | |
593 | ||
594 | #define device_create_file_temp_add(client, offset) \ | |
595 | do { \ | |
596 | device_create_file(&client->dev, &sensor_dev_attr_temp##offset##_input.dev_attr); \ | |
597 | device_create_file(&client->dev, &sensor_dev_attr_temp##offset##_max.dev_attr); \ | |
598 | device_create_file(&client->dev, \ | |
599 | &sensor_dev_attr_temp##offset##_max_hyst.dev_attr); \ | |
600 | } while (0) | |
601 | ||
602 | ||
603 | /* get reatime status of all sensors items: voltage, temp, fan */ | |
604 | static ssize_t | |
605 | show_alarms_reg(struct device *dev, struct device_attribute *attr, char *buf) | |
606 | { | |
607 | struct w83792d_data *data = w83792d_update_device(dev); | |
608 | return sprintf(buf, "%d\n", data->alarms); | |
609 | } | |
610 | ||
611 | static | |
612 | DEVICE_ATTR(alarms, S_IRUGO, show_alarms_reg, NULL); | |
613 | #define device_create_file_alarms(client) \ | |
614 | device_create_file(&client->dev, &dev_attr_alarms); | |
615 | ||
616 | ||
617 | ||
618 | static ssize_t | |
619 | show_pwm(struct device *dev, struct device_attribute *attr, | |
620 | char *buf) | |
621 | { | |
622 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); | |
623 | int nr = sensor_attr->index; | |
624 | struct w83792d_data *data = w83792d_update_device(dev); | |
625 | return sprintf(buf, "%ld\n", (long) PWM_FROM_REG(data->pwm[nr-1])); | |
626 | } | |
627 | ||
628 | static ssize_t | |
629 | show_pwmenable(struct device *dev, struct device_attribute *attr, | |
630 | char *buf) | |
631 | { | |
632 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); | |
633 | int nr = sensor_attr->index - 1; | |
634 | struct w83792d_data *data = w83792d_update_device(dev); | |
635 | long pwm_enable_tmp = 1; | |
636 | ||
637 | switch (data->pwmenable[nr]) { | |
638 | case 0: | |
639 | pwm_enable_tmp = 1; /* manual mode */ | |
640 | break; | |
641 | case 1: | |
642 | pwm_enable_tmp = 3; /*thermal cruise/Smart Fan I */ | |
643 | break; | |
644 | case 2: | |
645 | pwm_enable_tmp = 2; /* Smart Fan II */ | |
646 | break; | |
647 | } | |
648 | ||
649 | return sprintf(buf, "%ld\n", pwm_enable_tmp); | |
650 | } | |
651 | ||
652 | static ssize_t | |
653 | store_pwm(struct device *dev, struct device_attribute *attr, | |
654 | const char *buf, size_t count) | |
655 | { | |
656 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); | |
657 | int nr = sensor_attr->index - 1; | |
658 | struct i2c_client *client = to_i2c_client(dev); | |
659 | struct w83792d_data *data = i2c_get_clientdata(client); | |
660 | u32 val; | |
661 | ||
662 | val = simple_strtoul(buf, NULL, 10); | |
663 | data->pwm[nr] = PWM_TO_REG(val); | |
664 | w83792d_write_value(client, W83792D_REG_PWM[nr], data->pwm[nr]); | |
665 | ||
666 | return count; | |
667 | } | |
668 | ||
669 | static ssize_t | |
670 | store_pwmenable(struct device *dev, struct device_attribute *attr, | |
671 | const char *buf, size_t count) | |
672 | { | |
673 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); | |
674 | int nr = sensor_attr->index - 1; | |
675 | struct i2c_client *client = to_i2c_client(dev); | |
676 | struct w83792d_data *data = i2c_get_clientdata(client); | |
677 | u32 val; | |
678 | u8 fan_cfg_tmp, cfg1_tmp, cfg2_tmp, cfg3_tmp, cfg4_tmp; | |
679 | ||
680 | val = simple_strtoul(buf, NULL, 10); | |
681 | switch (val) { | |
682 | case 1: | |
683 | data->pwmenable[nr] = 0; /* manual mode */ | |
684 | break; | |
685 | case 2: | |
686 | data->pwmenable[nr] = 2; /* Smart Fan II */ | |
687 | break; | |
688 | case 3: | |
689 | data->pwmenable[nr] = 1; /* thermal cruise/Smart Fan I */ | |
690 | break; | |
691 | default: | |
692 | return -EINVAL; | |
693 | } | |
694 | cfg1_tmp = data->pwmenable[0]; | |
695 | cfg2_tmp = (data->pwmenable[1]) << 2; | |
696 | cfg3_tmp = (data->pwmenable[2]) << 4; | |
697 | cfg4_tmp = w83792d_read_value(client,W83792D_REG_FAN_CFG) & 0xc0; | |
698 | fan_cfg_tmp = ((cfg4_tmp | cfg3_tmp) | cfg2_tmp) | cfg1_tmp; | |
699 | w83792d_write_value(client, W83792D_REG_FAN_CFG, fan_cfg_tmp); | |
700 | ||
701 | return count; | |
702 | } | |
703 | ||
704 | #define sysfs_pwm(offset) \ | |
705 | static SENSOR_DEVICE_ATTR(pwm##offset, S_IRUGO | S_IWUSR, \ | |
706 | show_pwm, store_pwm, offset); \ | |
707 | static SENSOR_DEVICE_ATTR(pwm##offset##_enable, S_IRUGO | S_IWUSR, \ | |
708 | show_pwmenable, store_pwmenable, offset); \ | |
709 | ||
710 | sysfs_pwm(1); | |
711 | sysfs_pwm(2); | |
712 | sysfs_pwm(3); | |
713 | ||
714 | ||
715 | #define device_create_file_pwm(client, offset) \ | |
716 | do { \ | |
717 | device_create_file(&client->dev, &sensor_dev_attr_pwm##offset.dev_attr); \ | |
718 | } while (0) | |
719 | ||
720 | #define device_create_file_pwmenable(client, offset) \ | |
721 | do { \ | |
722 | device_create_file(&client->dev, &sensor_dev_attr_pwm##offset##_enable.dev_attr); \ | |
723 | } while (0) | |
724 | ||
725 | ||
726 | static ssize_t | |
727 | show_pwm_mode(struct device *dev, struct device_attribute *attr, | |
728 | char *buf) | |
729 | { | |
730 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); | |
731 | int nr = sensor_attr->index; | |
732 | struct w83792d_data *data = w83792d_update_device(dev); | |
733 | return sprintf(buf, "%d\n", data->pwm_mode[nr-1]); | |
734 | } | |
735 | ||
736 | static ssize_t | |
737 | store_pwm_mode(struct device *dev, struct device_attribute *attr, | |
738 | const char *buf, size_t count) | |
739 | { | |
740 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); | |
741 | int nr = sensor_attr->index - 1; | |
742 | struct i2c_client *client = to_i2c_client(dev); | |
743 | struct w83792d_data *data = i2c_get_clientdata(client); | |
744 | u32 val; | |
745 | u8 pwm_mode_mask = 0; | |
746 | ||
747 | val = simple_strtoul(buf, NULL, 10); | |
748 | data->pwm_mode[nr] = SENSORS_LIMIT(val, 0, 1); | |
749 | pwm_mode_mask = w83792d_read_value(client, | |
750 | W83792D_REG_PWM[nr]) & 0x7f; | |
751 | w83792d_write_value(client, W83792D_REG_PWM[nr], | |
752 | ((data->pwm_mode[nr]) << 7) | pwm_mode_mask); | |
753 | ||
754 | return count; | |
755 | } | |
756 | ||
757 | #define sysfs_pwm_mode(offset) \ | |
758 | static SENSOR_DEVICE_ATTR(pwm##offset##_mode, S_IRUGO | S_IWUSR, \ | |
759 | show_pwm_mode, store_pwm_mode, offset); | |
760 | ||
761 | sysfs_pwm_mode(1); | |
762 | sysfs_pwm_mode(2); | |
763 | sysfs_pwm_mode(3); | |
764 | ||
765 | #define device_create_file_pwm_mode(client, offset) \ | |
766 | do { \ | |
767 | device_create_file(&client->dev, &sensor_dev_attr_pwm##offset##_mode.dev_attr); \ | |
768 | } while (0) | |
769 | ||
770 | ||
771 | static ssize_t | |
772 | show_regs_chassis(struct device *dev, struct device_attribute *attr, | |
773 | char *buf) | |
774 | { | |
775 | struct w83792d_data *data = w83792d_update_device(dev); | |
776 | return sprintf(buf, "%d\n", data->chassis); | |
777 | } | |
778 | ||
779 | static DEVICE_ATTR(chassis, S_IRUGO, show_regs_chassis, NULL); | |
780 | ||
781 | #define device_create_file_chassis(client) \ | |
782 | do { \ | |
783 | device_create_file(&client->dev, &dev_attr_chassis); \ | |
784 | } while (0) | |
785 | ||
786 | ||
787 | static ssize_t | |
788 | show_chassis_clear(struct device *dev, struct device_attribute *attr, char *buf) | |
789 | { | |
790 | struct w83792d_data *data = w83792d_update_device(dev); | |
791 | return sprintf(buf, "%d\n", data->chassis_clear); | |
792 | } | |
793 | ||
794 | static ssize_t | |
795 | store_chassis_clear(struct device *dev, struct device_attribute *attr, | |
796 | const char *buf, size_t count) | |
797 | { | |
798 | struct i2c_client *client = to_i2c_client(dev); | |
799 | struct w83792d_data *data = i2c_get_clientdata(client); | |
800 | u32 val; | |
801 | u8 temp1 = 0, temp2 = 0; | |
802 | ||
803 | val = simple_strtoul(buf, NULL, 10); | |
804 | ||
805 | data->chassis_clear = SENSORS_LIMIT(val, 0 ,1); | |
806 | temp1 = ((data->chassis_clear) << 7) & 0x80; | |
807 | temp2 = w83792d_read_value(client, | |
808 | W83792D_REG_CHASSIS_CLR) & 0x7f; | |
809 | w83792d_write_value(client, W83792D_REG_CHASSIS_CLR, temp1 | temp2); | |
810 | ||
811 | return count; | |
812 | } | |
813 | ||
814 | static DEVICE_ATTR(chassis_clear, S_IRUGO | S_IWUSR, | |
815 | show_chassis_clear, store_chassis_clear); | |
816 | ||
817 | #define device_create_file_chassis_clear(client) \ | |
818 | do { \ | |
819 | device_create_file(&client->dev, &dev_attr_chassis_clear); \ | |
820 | } while (0) | |
821 | ||
822 | ||
823 | ||
824 | /* For Smart Fan I / Thermal Cruise */ | |
825 | static ssize_t | |
826 | show_thermal_cruise(struct device *dev, struct device_attribute *attr, | |
827 | char *buf) | |
828 | { | |
829 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); | |
830 | int nr = sensor_attr->index; | |
831 | struct w83792d_data *data = w83792d_update_device(dev); | |
832 | return sprintf(buf, "%ld\n", (long)data->thermal_cruise[nr-1]); | |
833 | } | |
834 | ||
835 | static ssize_t | |
836 | store_thermal_cruise(struct device *dev, struct device_attribute *attr, | |
837 | const char *buf, size_t count) | |
838 | { | |
839 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); | |
840 | int nr = sensor_attr->index - 1; | |
841 | struct i2c_client *client = to_i2c_client(dev); | |
842 | struct w83792d_data *data = i2c_get_clientdata(client); | |
843 | u32 val; | |
844 | u8 target_tmp=0, target_mask=0; | |
845 | ||
846 | val = simple_strtoul(buf, NULL, 10); | |
847 | target_tmp = val; | |
848 | target_tmp = target_tmp & 0x7f; | |
849 | target_mask = w83792d_read_value(client, W83792D_REG_THERMAL[nr]) & 0x80; | |
850 | data->thermal_cruise[nr] = SENSORS_LIMIT(target_tmp, 0, 255); | |
851 | w83792d_write_value(client, W83792D_REG_THERMAL[nr], | |
852 | (data->thermal_cruise[nr]) | target_mask); | |
853 | ||
854 | return count; | |
855 | } | |
856 | ||
857 | #define sysfs_thermal_cruise(offset) \ | |
858 | static SENSOR_DEVICE_ATTR(thermal_cruise##offset, S_IRUGO | S_IWUSR, \ | |
859 | show_thermal_cruise, store_thermal_cruise, offset); | |
860 | ||
861 | sysfs_thermal_cruise(1); | |
862 | sysfs_thermal_cruise(2); | |
863 | sysfs_thermal_cruise(3); | |
864 | ||
865 | #define device_create_file_thermal_cruise(client, offset) \ | |
866 | do { \ | |
867 | device_create_file(&client->dev, \ | |
868 | &sensor_dev_attr_thermal_cruise##offset.dev_attr); \ | |
869 | } while (0) | |
870 | ||
871 | ||
872 | /* For Smart Fan I/Thermal Cruise and Smart Fan II */ | |
873 | static ssize_t | |
874 | show_tolerance(struct device *dev, struct device_attribute *attr, | |
875 | char *buf) | |
876 | { | |
877 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); | |
878 | int nr = sensor_attr->index; | |
879 | struct w83792d_data *data = w83792d_update_device(dev); | |
880 | return sprintf(buf, "%ld\n", (long)data->tolerance[nr-1]); | |
881 | } | |
882 | ||
883 | static ssize_t | |
884 | store_tolerance(struct device *dev, struct device_attribute *attr, | |
885 | const char *buf, size_t count) | |
886 | { | |
887 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); | |
888 | int nr = sensor_attr->index - 1; | |
889 | struct i2c_client *client = to_i2c_client(dev); | |
890 | struct w83792d_data *data = i2c_get_clientdata(client); | |
891 | u32 val; | |
892 | u8 tol_tmp, tol_mask; | |
893 | ||
894 | val = simple_strtoul(buf, NULL, 10); | |
895 | tol_mask = w83792d_read_value(client, | |
896 | W83792D_REG_TOLERANCE[nr]) & ((nr == 1) ? 0x0f : 0xf0); | |
897 | tol_tmp = SENSORS_LIMIT(val, 0, 15); | |
898 | tol_tmp &= 0x0f; | |
899 | data->tolerance[nr] = tol_tmp; | |
900 | if (nr == 1) { | |
901 | tol_tmp <<= 4; | |
902 | } | |
903 | w83792d_write_value(client, W83792D_REG_TOLERANCE[nr], | |
904 | tol_mask | tol_tmp); | |
905 | ||
906 | return count; | |
907 | } | |
908 | ||
909 | #define sysfs_tolerance(offset) \ | |
910 | static SENSOR_DEVICE_ATTR(tolerance##offset, S_IRUGO | S_IWUSR, \ | |
911 | show_tolerance, store_tolerance, offset); | |
912 | ||
913 | sysfs_tolerance(1); | |
914 | sysfs_tolerance(2); | |
915 | sysfs_tolerance(3); | |
916 | ||
917 | #define device_create_file_tolerance(client, offset) \ | |
918 | do { \ | |
919 | device_create_file(&client->dev, &sensor_dev_attr_tolerance##offset.dev_attr); \ | |
920 | } while (0) | |
921 | ||
922 | ||
923 | /* For Smart Fan II */ | |
924 | static ssize_t | |
925 | show_sf2_point(struct device *dev, struct device_attribute *attr, | |
926 | char *buf) | |
927 | { | |
928 | struct sensor_device_attribute_2 *sensor_attr = to_sensor_dev_attr_2(attr); | |
929 | int nr = sensor_attr->nr; | |
930 | int index = sensor_attr->index; | |
931 | struct w83792d_data *data = w83792d_update_device(dev); | |
932 | return sprintf(buf, "%ld\n", (long)data->sf2_points[index-1][nr-1]); | |
933 | } | |
934 | ||
935 | static ssize_t | |
936 | store_sf2_point(struct device *dev, struct device_attribute *attr, | |
937 | const char *buf, size_t count) | |
938 | { | |
939 | struct sensor_device_attribute_2 *sensor_attr = to_sensor_dev_attr_2(attr); | |
940 | int nr = sensor_attr->nr - 1; | |
941 | int index = sensor_attr->index - 1; | |
942 | struct i2c_client *client = to_i2c_client(dev); | |
943 | struct w83792d_data *data = i2c_get_clientdata(client); | |
944 | u32 val; | |
945 | u8 mask_tmp = 0; | |
946 | ||
947 | val = simple_strtoul(buf, NULL, 10); | |
948 | data->sf2_points[index][nr] = SENSORS_LIMIT(val, 0, 127); | |
949 | mask_tmp = w83792d_read_value(client, | |
950 | W83792D_REG_POINTS[index][nr]) & 0x80; | |
951 | w83792d_write_value(client, W83792D_REG_POINTS[index][nr], | |
952 | mask_tmp|data->sf2_points[index][nr]); | |
953 | ||
954 | return count; | |
955 | } | |
956 | ||
957 | #define sysfs_sf2_point(offset, index) \ | |
958 | static SENSOR_DEVICE_ATTR_2(sf2_point##offset##_fan##index, S_IRUGO | S_IWUSR, \ | |
959 | show_sf2_point, store_sf2_point, offset, index); | |
960 | ||
961 | sysfs_sf2_point(1, 1); /* Fan1 */ | |
962 | sysfs_sf2_point(2, 1); /* Fan1 */ | |
963 | sysfs_sf2_point(3, 1); /* Fan1 */ | |
964 | sysfs_sf2_point(4, 1); /* Fan1 */ | |
965 | sysfs_sf2_point(1, 2); /* Fan2 */ | |
966 | sysfs_sf2_point(2, 2); /* Fan2 */ | |
967 | sysfs_sf2_point(3, 2); /* Fan2 */ | |
968 | sysfs_sf2_point(4, 2); /* Fan2 */ | |
969 | sysfs_sf2_point(1, 3); /* Fan3 */ | |
970 | sysfs_sf2_point(2, 3); /* Fan3 */ | |
971 | sysfs_sf2_point(3, 3); /* Fan3 */ | |
972 | sysfs_sf2_point(4, 3); /* Fan3 */ | |
973 | ||
974 | #define device_create_file_sf2_point(client, offset, index) \ | |
975 | do { \ | |
976 | device_create_file(&client->dev, \ | |
977 | &sensor_dev_attr_sf2_point##offset##_fan##index.dev_attr); \ | |
978 | } while (0) | |
979 | ||
980 | ||
981 | static ssize_t | |
982 | show_sf2_level(struct device *dev, struct device_attribute *attr, | |
983 | char *buf) | |
984 | { | |
985 | struct sensor_device_attribute_2 *sensor_attr = to_sensor_dev_attr_2(attr); | |
986 | int nr = sensor_attr->nr; | |
987 | int index = sensor_attr->index; | |
988 | struct w83792d_data *data = w83792d_update_device(dev); | |
989 | return sprintf(buf, "%d\n", | |
990 | (((data->sf2_levels[index-1][nr]) * 100) / 15)); | |
991 | } | |
992 | ||
993 | static ssize_t | |
994 | store_sf2_level(struct device *dev, struct device_attribute *attr, | |
995 | const char *buf, size_t count) | |
996 | { | |
997 | struct sensor_device_attribute_2 *sensor_attr = to_sensor_dev_attr_2(attr); | |
998 | int nr = sensor_attr->nr; | |
999 | int index = sensor_attr->index - 1; | |
1000 | struct i2c_client *client = to_i2c_client(dev); | |
1001 | struct w83792d_data *data = i2c_get_clientdata(client); | |
1002 | u32 val; | |
1003 | u8 mask_tmp=0, level_tmp=0; | |
1004 | ||
1005 | val = simple_strtoul(buf, NULL, 10); | |
1006 | data->sf2_levels[index][nr] = SENSORS_LIMIT((val * 15) / 100, 0, 15); | |
1007 | mask_tmp = w83792d_read_value(client, W83792D_REG_LEVELS[index][nr]) | |
1008 | & ((nr==3) ? 0xf0 : 0x0f); | |
1009 | if (nr==3) { | |
1010 | level_tmp = data->sf2_levels[index][nr]; | |
1011 | } else { | |
1012 | level_tmp = data->sf2_levels[index][nr] << 4; | |
1013 | } | |
1014 | w83792d_write_value(client, W83792D_REG_LEVELS[index][nr], level_tmp | mask_tmp); | |
1015 | ||
1016 | return count; | |
1017 | } | |
1018 | ||
1019 | #define sysfs_sf2_level(offset, index) \ | |
1020 | static SENSOR_DEVICE_ATTR_2(sf2_level##offset##_fan##index, S_IRUGO | S_IWUSR, \ | |
1021 | show_sf2_level, store_sf2_level, offset, index); | |
1022 | ||
1023 | sysfs_sf2_level(1, 1); /* Fan1 */ | |
1024 | sysfs_sf2_level(2, 1); /* Fan1 */ | |
1025 | sysfs_sf2_level(3, 1); /* Fan1 */ | |
1026 | sysfs_sf2_level(1, 2); /* Fan2 */ | |
1027 | sysfs_sf2_level(2, 2); /* Fan2 */ | |
1028 | sysfs_sf2_level(3, 2); /* Fan2 */ | |
1029 | sysfs_sf2_level(1, 3); /* Fan3 */ | |
1030 | sysfs_sf2_level(2, 3); /* Fan3 */ | |
1031 | sysfs_sf2_level(3, 3); /* Fan3 */ | |
1032 | ||
1033 | #define device_create_file_sf2_level(client, offset, index) \ | |
1034 | do { \ | |
1035 | device_create_file(&client->dev, \ | |
1036 | &sensor_dev_attr_sf2_level##offset##_fan##index.dev_attr); \ | |
1037 | } while (0) | |
1038 | ||
1039 | ||
1040 | /* This function is called when: | |
1041 | * w83792d_driver is inserted (when this module is loaded), for each | |
1042 | available adapter | |
1043 | * when a new adapter is inserted (and w83792d_driver is still present) */ | |
1044 | static int | |
1045 | w83792d_attach_adapter(struct i2c_adapter *adapter) | |
1046 | { | |
1047 | if (!(adapter->class & I2C_CLASS_HWMON)) | |
1048 | return 0; | |
2ed2dc3c | 1049 | return i2c_probe(adapter, &addr_data, w83792d_detect); |
5563e27d M |
1050 | } |
1051 | ||
1052 | ||
1053 | static int | |
1054 | w83792d_create_subclient(struct i2c_adapter *adapter, | |
1055 | struct i2c_client *new_client, int addr, | |
1056 | struct i2c_client **sub_cli) | |
1057 | { | |
1058 | int err; | |
1059 | struct i2c_client *sub_client; | |
1060 | ||
ba9c2e8d | 1061 | (*sub_cli) = sub_client = kzalloc(sizeof(struct i2c_client), GFP_KERNEL); |
5563e27d M |
1062 | if (!(sub_client)) { |
1063 | return -ENOMEM; | |
1064 | } | |
5563e27d M |
1065 | sub_client->addr = 0x48 + addr; |
1066 | i2c_set_clientdata(sub_client, NULL); | |
1067 | sub_client->adapter = adapter; | |
1068 | sub_client->driver = &w83792d_driver; | |
1069 | sub_client->flags = 0; | |
1070 | strlcpy(sub_client->name, "w83792d subclient", I2C_NAME_SIZE); | |
1071 | if ((err = i2c_attach_client(sub_client))) { | |
1072 | dev_err(&new_client->dev, "subclient registration " | |
1073 | "at address 0x%x failed\n", sub_client->addr); | |
1074 | kfree(sub_client); | |
1075 | return err; | |
1076 | } | |
1077 | return 0; | |
1078 | } | |
1079 | ||
1080 | ||
1081 | static int | |
1082 | w83792d_detect_subclients(struct i2c_adapter *adapter, int address, int kind, | |
1083 | struct i2c_client *new_client) | |
1084 | { | |
1085 | int i, id, err; | |
1086 | u8 val; | |
1087 | struct w83792d_data *data = i2c_get_clientdata(new_client); | |
1088 | ||
1089 | id = i2c_adapter_id(adapter); | |
1090 | if (force_subclients[0] == id && force_subclients[1] == address) { | |
1091 | for (i = 2; i <= 3; i++) { | |
1092 | if (force_subclients[i] < 0x48 || | |
1093 | force_subclients[i] > 0x4f) { | |
1094 | dev_err(&new_client->dev, "invalid subclient " | |
1095 | "address %d; must be 0x48-0x4f\n", | |
1096 | force_subclients[i]); | |
1097 | err = -ENODEV; | |
1098 | goto ERROR_SC_0; | |
1099 | } | |
1100 | } | |
1101 | w83792d_write_value(new_client, W83792D_REG_I2C_SUBADDR, | |
1102 | (force_subclients[2] & 0x07) | | |
1103 | ((force_subclients[3] & 0x07) << 4)); | |
1104 | } | |
1105 | ||
1106 | val = w83792d_read_value(new_client, W83792D_REG_I2C_SUBADDR); | |
1107 | if (!(val & 0x08)) { | |
1108 | err = w83792d_create_subclient(adapter, new_client, val & 0x7, | |
1109 | &data->lm75[0]); | |
1110 | if (err < 0) | |
1111 | goto ERROR_SC_0; | |
1112 | } | |
1113 | if (!(val & 0x80)) { | |
1114 | if ((data->lm75[0] != NULL) && | |
1115 | ((val & 0x7) == ((val >> 4) & 0x7))) { | |
1116 | dev_err(&new_client->dev, "duplicate addresses 0x%x, " | |
1117 | "use force_subclient\n", data->lm75[0]->addr); | |
1118 | err = -ENODEV; | |
1119 | goto ERROR_SC_1; | |
1120 | } | |
1121 | err = w83792d_create_subclient(adapter, new_client, | |
1122 | (val >> 4) & 0x7, &data->lm75[1]); | |
1123 | if (err < 0) | |
1124 | goto ERROR_SC_1; | |
1125 | } | |
1126 | ||
1127 | return 0; | |
1128 | ||
1129 | /* Undo inits in case of errors */ | |
1130 | ||
1131 | ERROR_SC_1: | |
1132 | if (data->lm75[0] != NULL) { | |
1133 | i2c_detach_client(data->lm75[0]); | |
1134 | kfree(data->lm75[0]); | |
1135 | } | |
1136 | ERROR_SC_0: | |
1137 | return err; | |
1138 | } | |
1139 | ||
1140 | ||
1141 | static int | |
1142 | w83792d_detect(struct i2c_adapter *adapter, int address, int kind) | |
1143 | { | |
1144 | int i = 0, val1 = 0, val2; | |
1145 | struct i2c_client *new_client; | |
1146 | struct w83792d_data *data; | |
1147 | int err = 0; | |
1148 | const char *client_name = ""; | |
1149 | ||
1150 | if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) { | |
1151 | goto ERROR0; | |
1152 | } | |
1153 | ||
1154 | /* OK. For now, we presume we have a valid client. We now create the | |
1155 | client structure, even though we cannot fill it completely yet. | |
1156 | But it allows us to access w83792d_{read,write}_value. */ | |
1157 | ||
ba9c2e8d | 1158 | if (!(data = kzalloc(sizeof(struct w83792d_data), GFP_KERNEL))) { |
5563e27d M |
1159 | err = -ENOMEM; |
1160 | goto ERROR0; | |
1161 | } | |
5563e27d M |
1162 | |
1163 | new_client = &data->client; | |
1164 | i2c_set_clientdata(new_client, data); | |
1165 | new_client->addr = address; | |
5563e27d M |
1166 | new_client->adapter = adapter; |
1167 | new_client->driver = &w83792d_driver; | |
1168 | new_client->flags = 0; | |
1169 | ||
1170 | /* Now, we do the remaining detection. */ | |
1171 | ||
1172 | /* The w83792d may be stuck in some other bank than bank 0. This may | |
1173 | make reading other information impossible. Specify a force=... or | |
1174 | force_*=... parameter, and the Winbond will be reset to the right | |
1175 | bank. */ | |
1176 | if (kind < 0) { | |
1177 | if (w83792d_read_value(new_client, W83792D_REG_CONFIG) & 0x80) { | |
1178 | dev_warn(&new_client->dev, "Detection failed at step " | |
1179 | "3\n"); | |
1180 | goto ERROR1; | |
1181 | } | |
1182 | val1 = w83792d_read_value(new_client, W83792D_REG_BANK); | |
1183 | val2 = w83792d_read_value(new_client, W83792D_REG_CHIPMAN); | |
1184 | /* Check for Winbond ID if in bank 0 */ | |
1185 | if (!(val1 & 0x07)) { /* is Bank0 */ | |
1186 | if (((!(val1 & 0x80)) && (val2 != 0xa3)) || | |
1187 | ((val1 & 0x80) && (val2 != 0x5c))) { | |
1188 | goto ERROR1; | |
1189 | } | |
1190 | } | |
1191 | /* If Winbond chip, address of chip and W83792D_REG_I2C_ADDR | |
1192 | should match */ | |
1193 | if (w83792d_read_value(new_client, | |
1194 | W83792D_REG_I2C_ADDR) != address) { | |
1195 | dev_warn(&new_client->dev, "Detection failed " | |
1196 | "at step 5\n"); | |
1197 | goto ERROR1; | |
1198 | } | |
1199 | } | |
1200 | ||
1201 | /* We have either had a force parameter, or we have already detected the | |
1202 | Winbond. Put it now into bank 0 and Vendor ID High Byte */ | |
1203 | w83792d_write_value(new_client, | |
1204 | W83792D_REG_BANK, | |
1205 | (w83792d_read_value(new_client, | |
1206 | W83792D_REG_BANK) & 0x78) | 0x80); | |
1207 | ||
1208 | /* Determine the chip type. */ | |
1209 | if (kind <= 0) { | |
1210 | /* get vendor ID */ | |
1211 | val2 = w83792d_read_value(new_client, W83792D_REG_CHIPMAN); | |
1212 | if (val2 != 0x5c) { /* the vendor is NOT Winbond */ | |
1213 | goto ERROR1; | |
1214 | } | |
1215 | val1 = w83792d_read_value(new_client, W83792D_REG_WCHIPID); | |
c9152dea | 1216 | if (val1 == 0x7a) { |
5563e27d M |
1217 | kind = w83792d; |
1218 | } else { | |
1219 | if (kind == 0) | |
1220 | dev_warn(&new_client->dev, | |
1221 | "w83792d: Ignoring 'force' parameter for" | |
1222 | " unknown chip at adapter %d, address" | |
1223 | " 0x%02x\n", i2c_adapter_id(adapter), | |
1224 | address); | |
1225 | goto ERROR1; | |
1226 | } | |
1227 | } | |
1228 | ||
1229 | if (kind == w83792d) { | |
1230 | client_name = "w83792d"; | |
1231 | } else { | |
1232 | dev_err(&new_client->dev, "w83792d: Internal error: unknown" | |
1233 | " kind (%d)?!?", kind); | |
1234 | goto ERROR1; | |
1235 | } | |
1236 | ||
1237 | /* Fill in the remaining client fields and put into the global list */ | |
1238 | strlcpy(new_client->name, client_name, I2C_NAME_SIZE); | |
1239 | data->type = kind; | |
1240 | ||
1241 | data->valid = 0; | |
1242 | init_MUTEX(&data->update_lock); | |
1243 | ||
1244 | /* Tell the I2C layer a new client has arrived */ | |
1245 | if ((err = i2c_attach_client(new_client))) | |
1246 | goto ERROR1; | |
1247 | ||
1248 | if ((err = w83792d_detect_subclients(adapter, address, | |
1249 | kind, new_client))) | |
1250 | goto ERROR2; | |
1251 | ||
1252 | /* Initialize the chip */ | |
1253 | w83792d_init_client(new_client); | |
1254 | ||
1255 | /* A few vars need to be filled upon startup */ | |
96320519 JD |
1256 | for (i = 0; i < 7; i++) { |
1257 | data->fan_min[i] = w83792d_read_value(new_client, | |
5563e27d M |
1258 | W83792D_REG_FAN_MIN[i]); |
1259 | } | |
1260 | ||
1261 | /* Register sysfs hooks */ | |
ce785ab4 M |
1262 | data->class_dev = hwmon_device_register(&new_client->dev); |
1263 | if (IS_ERR(data->class_dev)) { | |
1264 | err = PTR_ERR(data->class_dev); | |
1265 | goto ERROR3; | |
1266 | } | |
5563e27d M |
1267 | device_create_file_in(new_client, 0); |
1268 | device_create_file_in(new_client, 1); | |
1269 | device_create_file_in(new_client, 2); | |
1270 | device_create_file_in(new_client, 3); | |
1271 | device_create_file_in(new_client, 4); | |
1272 | device_create_file_in(new_client, 5); | |
1273 | device_create_file_in(new_client, 6); | |
1274 | device_create_file_in(new_client, 7); | |
1275 | device_create_file_in(new_client, 8); | |
1276 | ||
1277 | device_create_file_fan(new_client, 1); | |
1278 | device_create_file_fan(new_client, 2); | |
1279 | device_create_file_fan(new_client, 3); | |
96320519 JD |
1280 | |
1281 | /* Read GPIO enable register to check if pins for fan 4,5 are used as | |
1282 | GPIO */ | |
1283 | val1 = w83792d_read_value(new_client, W83792D_REG_GPIO_EN); | |
1284 | if (!(val1 & 0x40)) | |
1285 | device_create_file_fan(new_client, 4); | |
1286 | if (!(val1 & 0x20)) | |
1287 | device_create_file_fan(new_client, 5); | |
1288 | ||
1289 | val1 = w83792d_read_value(new_client, W83792D_REG_PIN); | |
1290 | if (val1 & 0x40) | |
1291 | device_create_file_fan(new_client, 6); | |
1292 | if (val1 & 0x04) | |
1293 | device_create_file_fan(new_client, 7); | |
5563e27d M |
1294 | |
1295 | device_create_file_temp1(new_client); /* Temp1 */ | |
1296 | device_create_file_temp_add(new_client, 2); /* Temp2 */ | |
1297 | device_create_file_temp_add(new_client, 3); /* Temp3 */ | |
1298 | ||
1299 | device_create_file_alarms(new_client); | |
1300 | ||
1301 | device_create_file_pwm(new_client, 1); | |
1302 | device_create_file_pwm(new_client, 2); | |
1303 | device_create_file_pwm(new_client, 3); | |
1304 | ||
1305 | device_create_file_pwmenable(new_client, 1); | |
1306 | device_create_file_pwmenable(new_client, 2); | |
1307 | device_create_file_pwmenable(new_client, 3); | |
1308 | ||
1309 | device_create_file_pwm_mode(new_client, 1); | |
1310 | device_create_file_pwm_mode(new_client, 2); | |
1311 | device_create_file_pwm_mode(new_client, 3); | |
1312 | ||
1313 | device_create_file_chassis(new_client); | |
1314 | device_create_file_chassis_clear(new_client); | |
1315 | ||
1316 | device_create_file_thermal_cruise(new_client, 1); | |
1317 | device_create_file_thermal_cruise(new_client, 2); | |
1318 | device_create_file_thermal_cruise(new_client, 3); | |
1319 | ||
1320 | device_create_file_tolerance(new_client, 1); | |
1321 | device_create_file_tolerance(new_client, 2); | |
1322 | device_create_file_tolerance(new_client, 3); | |
1323 | ||
1324 | device_create_file_sf2_point(new_client, 1, 1); /* Fan1 */ | |
1325 | device_create_file_sf2_point(new_client, 2, 1); /* Fan1 */ | |
1326 | device_create_file_sf2_point(new_client, 3, 1); /* Fan1 */ | |
1327 | device_create_file_sf2_point(new_client, 4, 1); /* Fan1 */ | |
1328 | device_create_file_sf2_point(new_client, 1, 2); /* Fan2 */ | |
1329 | device_create_file_sf2_point(new_client, 2, 2); /* Fan2 */ | |
1330 | device_create_file_sf2_point(new_client, 3, 2); /* Fan2 */ | |
1331 | device_create_file_sf2_point(new_client, 4, 2); /* Fan2 */ | |
1332 | device_create_file_sf2_point(new_client, 1, 3); /* Fan3 */ | |
1333 | device_create_file_sf2_point(new_client, 2, 3); /* Fan3 */ | |
1334 | device_create_file_sf2_point(new_client, 3, 3); /* Fan3 */ | |
1335 | device_create_file_sf2_point(new_client, 4, 3); /* Fan3 */ | |
1336 | ||
1337 | device_create_file_sf2_level(new_client, 1, 1); /* Fan1 */ | |
1338 | device_create_file_sf2_level(new_client, 2, 1); /* Fan1 */ | |
1339 | device_create_file_sf2_level(new_client, 3, 1); /* Fan1 */ | |
1340 | device_create_file_sf2_level(new_client, 1, 2); /* Fan2 */ | |
1341 | device_create_file_sf2_level(new_client, 2, 2); /* Fan2 */ | |
1342 | device_create_file_sf2_level(new_client, 3, 2); /* Fan2 */ | |
1343 | device_create_file_sf2_level(new_client, 1, 3); /* Fan3 */ | |
1344 | device_create_file_sf2_level(new_client, 2, 3); /* Fan3 */ | |
1345 | device_create_file_sf2_level(new_client, 3, 3); /* Fan3 */ | |
1346 | ||
1347 | return 0; | |
1348 | ||
ce785ab4 M |
1349 | ERROR3: |
1350 | if (data->lm75[0] != NULL) { | |
1351 | i2c_detach_client(data->lm75[0]); | |
1352 | kfree(data->lm75[0]); | |
1353 | } | |
1354 | if (data->lm75[1] != NULL) { | |
1355 | i2c_detach_client(data->lm75[1]); | |
1356 | kfree(data->lm75[1]); | |
1357 | } | |
5563e27d M |
1358 | ERROR2: |
1359 | i2c_detach_client(new_client); | |
1360 | ERROR1: | |
1361 | kfree(data); | |
1362 | ERROR0: | |
1363 | return err; | |
1364 | } | |
1365 | ||
1366 | static int | |
1367 | w83792d_detach_client(struct i2c_client *client) | |
1368 | { | |
ce785ab4 | 1369 | struct w83792d_data *data = i2c_get_clientdata(client); |
5563e27d M |
1370 | int err; |
1371 | ||
ce785ab4 M |
1372 | /* main client */ |
1373 | if (data) | |
1374 | hwmon_device_unregister(data->class_dev); | |
1375 | ||
7bef5594 | 1376 | if ((err = i2c_detach_client(client))) |
5563e27d | 1377 | return err; |
5563e27d | 1378 | |
ce785ab4 M |
1379 | /* main client */ |
1380 | if (data) | |
1381 | kfree(data); | |
1382 | /* subclient */ | |
1383 | else | |
5563e27d | 1384 | kfree(client); |
5563e27d M |
1385 | |
1386 | return 0; | |
1387 | } | |
1388 | ||
c9152dea JD |
1389 | /* The SMBus locks itself. The Winbond W83792D chip has a bank register, |
1390 | but the driver only accesses registers in bank 0, so we don't have | |
1391 | to switch banks and lock access between switches. */ | |
1392 | static int w83792d_read_value(struct i2c_client *client, u8 reg) | |
5563e27d | 1393 | { |
c9152dea | 1394 | return i2c_smbus_read_byte_data(client, reg); |
5563e27d M |
1395 | } |
1396 | ||
c9152dea | 1397 | static int w83792d_write_value(struct i2c_client *client, u8 reg, u8 value) |
5563e27d | 1398 | { |
c9152dea | 1399 | return i2c_smbus_write_byte_data(client, reg, value); |
5563e27d M |
1400 | } |
1401 | ||
5563e27d M |
1402 | static void |
1403 | w83792d_init_client(struct i2c_client *client) | |
1404 | { | |
1405 | u8 temp2_cfg, temp3_cfg, vid_in_b; | |
1406 | ||
1407 | if (init) { | |
1408 | w83792d_write_value(client, W83792D_REG_CONFIG, 0x80); | |
1409 | } | |
1410 | /* Clear the bit6 of W83792D_REG_VID_IN_B(set it into 0): | |
1411 | W83792D_REG_VID_IN_B bit6 = 0: the high/low limit of | |
1412 | vin0/vin1 can be modified by user; | |
1413 | W83792D_REG_VID_IN_B bit6 = 1: the high/low limit of | |
1414 | vin0/vin1 auto-updated, can NOT be modified by user. */ | |
1415 | vid_in_b = w83792d_read_value(client, W83792D_REG_VID_IN_B); | |
1416 | w83792d_write_value(client, W83792D_REG_VID_IN_B, | |
1417 | vid_in_b & 0xbf); | |
1418 | ||
1419 | temp2_cfg = w83792d_read_value(client, W83792D_REG_TEMP2_CONFIG); | |
1420 | temp3_cfg = w83792d_read_value(client, W83792D_REG_TEMP3_CONFIG); | |
1421 | w83792d_write_value(client, W83792D_REG_TEMP2_CONFIG, | |
1422 | temp2_cfg & 0xe6); | |
1423 | w83792d_write_value(client, W83792D_REG_TEMP3_CONFIG, | |
1424 | temp3_cfg & 0xe6); | |
1425 | ||
1426 | /* Start monitoring */ | |
1427 | w83792d_write_value(client, W83792D_REG_CONFIG, | |
1428 | (w83792d_read_value(client, | |
1429 | W83792D_REG_CONFIG) & 0xf7) | |
1430 | | 0x01); | |
1431 | } | |
1432 | ||
1433 | static struct w83792d_data *w83792d_update_device(struct device *dev) | |
1434 | { | |
1435 | struct i2c_client *client = to_i2c_client(dev); | |
1436 | struct w83792d_data *data = i2c_get_clientdata(client); | |
1437 | int i, j; | |
1438 | u8 reg_array_tmp[4], pwm_array_tmp[7], reg_tmp; | |
1439 | ||
1440 | down(&data->update_lock); | |
1441 | ||
1442 | if (time_after | |
1443 | (jiffies - data->last_updated, (unsigned long) (HZ * 3)) | |
1444 | || time_before(jiffies, data->last_updated) || !data->valid) { | |
1445 | dev_dbg(dev, "Starting device update\n"); | |
1446 | ||
1447 | /* Update the voltages measured value and limits */ | |
1448 | for (i = 0; i < 9; i++) { | |
1449 | data->in[i] = w83792d_read_value(client, | |
1450 | W83792D_REG_IN[i]); | |
1451 | data->in_max[i] = w83792d_read_value(client, | |
1452 | W83792D_REG_IN_MAX[i]); | |
1453 | data->in_min[i] = w83792d_read_value(client, | |
1454 | W83792D_REG_IN_MIN[i]); | |
1455 | } | |
99d85560 JD |
1456 | data->low_bits = w83792d_read_value(client, |
1457 | W83792D_REG_LOW_BITS1) + | |
1458 | (w83792d_read_value(client, | |
1459 | W83792D_REG_LOW_BITS2) << 8); | |
5563e27d M |
1460 | for (i = 0; i < 7; i++) { |
1461 | /* Update the Fan measured value and limits */ | |
1462 | data->fan[i] = w83792d_read_value(client, | |
1463 | W83792D_REG_FAN[i]); | |
1464 | data->fan_min[i] = w83792d_read_value(client, | |
1465 | W83792D_REG_FAN_MIN[i]); | |
1466 | /* Update the PWM/DC Value and PWM/DC flag */ | |
1467 | pwm_array_tmp[i] = w83792d_read_value(client, | |
1468 | W83792D_REG_PWM[i]); | |
1469 | data->pwm[i] = pwm_array_tmp[i] & 0x0f; | |
c9152dea | 1470 | data->pwm_mode[i] = pwm_array_tmp[i] >> 7; |
5563e27d M |
1471 | } |
1472 | ||
1473 | reg_tmp = w83792d_read_value(client, W83792D_REG_FAN_CFG); | |
1474 | data->pwmenable[0] = reg_tmp & 0x03; | |
1475 | data->pwmenable[1] = (reg_tmp>>2) & 0x03; | |
1476 | data->pwmenable[2] = (reg_tmp>>4) & 0x03; | |
1477 | ||
1478 | for (i = 0; i < 3; i++) { | |
1479 | data->temp1[i] = w83792d_read_value(client, | |
1480 | W83792D_REG_TEMP1[i]); | |
1481 | } | |
1482 | for (i = 0; i < 2; i++) { | |
1483 | for (j = 0; j < 6; j++) { | |
1484 | data->temp_add[i][j] = w83792d_read_value( | |
1485 | client,W83792D_REG_TEMP_ADD[i][j]); | |
1486 | } | |
1487 | } | |
1488 | ||
1489 | /* Update the Fan Divisor */ | |
1490 | for (i = 0; i < 4; i++) { | |
1491 | reg_array_tmp[i] = w83792d_read_value(client, | |
1492 | W83792D_REG_FAN_DIV[i]); | |
1493 | } | |
1494 | data->fan_div[0] = reg_array_tmp[0] & 0x07; | |
1495 | data->fan_div[1] = (reg_array_tmp[0] >> 4) & 0x07; | |
1496 | data->fan_div[2] = reg_array_tmp[1] & 0x07; | |
1497 | data->fan_div[3] = (reg_array_tmp[1] >> 4) & 0x07; | |
1498 | data->fan_div[4] = reg_array_tmp[2] & 0x07; | |
1499 | data->fan_div[5] = (reg_array_tmp[2] >> 4) & 0x07; | |
1500 | data->fan_div[6] = reg_array_tmp[3] & 0x07; | |
1501 | ||
1502 | /* Update the realtime status */ | |
1503 | data->alarms = w83792d_read_value(client, W83792D_REG_ALARM1) + | |
1504 | (w83792d_read_value(client, W83792D_REG_ALARM2) << 8) + | |
1505 | (w83792d_read_value(client, W83792D_REG_ALARM3) << 16); | |
1506 | ||
1507 | /* Update CaseOpen status and it's CLR_CHS. */ | |
1508 | data->chassis = (w83792d_read_value(client, | |
1509 | W83792D_REG_CHASSIS) >> 5) & 0x01; | |
1510 | data->chassis_clear = (w83792d_read_value(client, | |
1511 | W83792D_REG_CHASSIS_CLR) >> 7) & 0x01; | |
1512 | ||
1513 | /* Update Thermal Cruise/Smart Fan I target value */ | |
1514 | for (i = 0; i < 3; i++) { | |
1515 | data->thermal_cruise[i] = | |
1516 | w83792d_read_value(client, | |
1517 | W83792D_REG_THERMAL[i]) & 0x7f; | |
1518 | } | |
1519 | ||
1520 | /* Update Smart Fan I/II tolerance */ | |
1521 | reg_tmp = w83792d_read_value(client, W83792D_REG_TOLERANCE[0]); | |
1522 | data->tolerance[0] = reg_tmp & 0x0f; | |
1523 | data->tolerance[1] = (reg_tmp >> 4) & 0x0f; | |
1524 | data->tolerance[2] = w83792d_read_value(client, | |
1525 | W83792D_REG_TOLERANCE[2]) & 0x0f; | |
1526 | ||
1527 | /* Update Smart Fan II temperature points */ | |
1528 | for (i = 0; i < 3; i++) { | |
1529 | for (j = 0; j < 4; j++) { | |
1530 | data->sf2_points[i][j] = w83792d_read_value( | |
1531 | client,W83792D_REG_POINTS[i][j]) & 0x7f; | |
1532 | } | |
1533 | } | |
1534 | ||
1535 | /* Update Smart Fan II duty cycle levels */ | |
1536 | for (i = 0; i < 3; i++) { | |
1537 | reg_tmp = w83792d_read_value(client, | |
1538 | W83792D_REG_LEVELS[i][0]); | |
1539 | data->sf2_levels[i][0] = reg_tmp & 0x0f; | |
1540 | data->sf2_levels[i][1] = (reg_tmp >> 4) & 0x0f; | |
1541 | reg_tmp = w83792d_read_value(client, | |
1542 | W83792D_REG_LEVELS[i][2]); | |
1543 | data->sf2_levels[i][2] = (reg_tmp >> 4) & 0x0f; | |
1544 | data->sf2_levels[i][3] = reg_tmp & 0x0f; | |
1545 | } | |
1546 | ||
1547 | data->last_updated = jiffies; | |
1548 | data->valid = 1; | |
1549 | } | |
1550 | ||
1551 | up(&data->update_lock); | |
1552 | ||
1553 | #ifdef DEBUG | |
1554 | w83792d_print_debug(data, dev); | |
1555 | #endif | |
1556 | ||
1557 | return data; | |
1558 | } | |
1559 | ||
1560 | #ifdef DEBUG | |
1561 | static void w83792d_print_debug(struct w83792d_data *data, struct device *dev) | |
1562 | { | |
1563 | int i=0, j=0; | |
1564 | dev_dbg(dev, "==========The following is the debug message...========\n"); | |
1565 | dev_dbg(dev, "9 set of Voltages: =====>\n"); | |
1566 | for (i=0; i<9; i++) { | |
1567 | dev_dbg(dev, "vin[%d] is: 0x%x\n", i, data->in[i]); | |
1568 | dev_dbg(dev, "vin[%d] max is: 0x%x\n", i, data->in_max[i]); | |
1569 | dev_dbg(dev, "vin[%d] min is: 0x%x\n", i, data->in_min[i]); | |
1570 | } | |
99d85560 JD |
1571 | dev_dbg(dev, "Low Bit1 is: 0x%x\n", data->low_bits & 0xff); |
1572 | dev_dbg(dev, "Low Bit2 is: 0x%x\n", data->low_bits >> 8); | |
5563e27d M |
1573 | dev_dbg(dev, "7 set of Fan Counts and Duty Cycles: =====>\n"); |
1574 | for (i=0; i<7; i++) { | |
1575 | dev_dbg(dev, "fan[%d] is: 0x%x\n", i, data->fan[i]); | |
1576 | dev_dbg(dev, "fan[%d] min is: 0x%x\n", i, data->fan_min[i]); | |
1577 | dev_dbg(dev, "pwm[%d] is: 0x%x\n", i, data->pwm[i]); | |
1578 | dev_dbg(dev, "pwm_mode[%d] is: 0x%x\n", i, data->pwm_mode[i]); | |
1579 | } | |
1580 | dev_dbg(dev, "3 set of Temperatures: =====>\n"); | |
1581 | for (i=0; i<3; i++) { | |
1582 | dev_dbg(dev, "temp1[%d] is: 0x%x\n", i, data->temp1[i]); | |
1583 | } | |
1584 | ||
1585 | for (i=0; i<2; i++) { | |
1586 | for (j=0; j<6; j++) { | |
1587 | dev_dbg(dev, "temp_add[%d][%d] is: 0x%x\n", i, j, | |
1588 | data->temp_add[i][j]); | |
1589 | } | |
1590 | } | |
1591 | ||
1592 | for (i=0; i<7; i++) { | |
1593 | dev_dbg(dev, "fan_div[%d] is: 0x%x\n", i, data->fan_div[i]); | |
1594 | } | |
1595 | dev_dbg(dev, "==========End of the debug message...==================\n"); | |
1596 | dev_dbg(dev, "\n"); | |
1597 | } | |
1598 | #endif | |
1599 | ||
1600 | static int __init | |
1601 | sensors_w83792d_init(void) | |
1602 | { | |
1603 | return i2c_add_driver(&w83792d_driver); | |
1604 | } | |
1605 | ||
1606 | static void __exit | |
1607 | sensors_w83792d_exit(void) | |
1608 | { | |
1609 | i2c_del_driver(&w83792d_driver); | |
1610 | } | |
1611 | ||
1612 | MODULE_AUTHOR("Chunhao Huang @ Winbond <DZShen@Winbond.com.tw>"); | |
1613 | MODULE_DESCRIPTION("W83792AD/D driver for linux-2.6"); | |
1614 | MODULE_LICENSE("GPL"); | |
1615 | ||
1616 | module_init(sensors_w83792d_init); | |
1617 | module_exit(sensors_w83792d_exit); | |
1618 |