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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> | |
43 | #include <linux/i2c-sensor.h> | |
44 | #include <linux/i2c-vid.h> | |
45 | #include <linux/hwmon-sysfs.h> | |
46 | ||
47 | /* Addresses to scan */ | |
48 | static unsigned short normal_i2c[] = { 0x2c, 0x2d, 0x2e, 0x2f, I2C_CLIENT_END }; | |
49 | ||
50 | /* Insmod parameters */ | |
51 | SENSORS_INSMOD_1(w83792d); | |
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 | ||
196 | #define W83792D_REG_CONFIG 0x40 | |
197 | #define W83792D_REG_VID_FANDIV 0x47 | |
198 | #define W83792D_REG_CHIPID 0x49 | |
199 | #define W83792D_REG_WCHIPID 0x58 | |
200 | #define W83792D_REG_CHIPMAN 0x4F | |
201 | #define W83792D_REG_PIN 0x4B | |
202 | #define W83792D_REG_I2C_SUBADDR 0x4A | |
203 | ||
204 | #define W83792D_REG_ALARM1 0xA9 /* realtime status register1 */ | |
205 | #define W83792D_REG_ALARM2 0xAA /* realtime status register2 */ | |
206 | #define W83792D_REG_ALARM3 0xAB /* realtime status register3 */ | |
207 | #define W83792D_REG_CHASSIS 0x42 /* Bit 5: Case Open status bit */ | |
208 | #define W83792D_REG_CHASSIS_CLR 0x44 /* Bit 7: Case Open CLR_CHS/Reset bit */ | |
209 | ||
210 | /* control in0/in1 's limit modifiability */ | |
211 | #define W83792D_REG_VID_IN_B 0x17 | |
212 | ||
213 | #define W83792D_REG_VBAT 0x5D | |
214 | #define W83792D_REG_I2C_ADDR 0x48 | |
215 | ||
216 | /* Conversions. Rounding and limit checking is only done on the TO_REG | |
217 | variants. Note that you should be a bit careful with which arguments | |
218 | these macros are called: arguments may be evaluated more than once. | |
219 | Fixing this is just not worth it. */ | |
220 | #define IN_FROM_REG(nr,val) (((nr)<=1)?(val*2): \ | |
221 | ((((nr)==6)||((nr)==7))?(val*6):(val*4))) | |
222 | #define IN_TO_REG(nr,val) (((nr)<=1)?(val/2): \ | |
223 | ((((nr)==6)||((nr)==7))?(val/6):(val/4))) | |
224 | ||
225 | static inline u8 | |
226 | FAN_TO_REG(long rpm, int div) | |
227 | { | |
228 | if (rpm == 0) | |
229 | return 255; | |
230 | rpm = SENSORS_LIMIT(rpm, 1, 1000000); | |
231 | return SENSORS_LIMIT((1350000 + rpm * div / 2) / (rpm * div), 1, 254); | |
232 | } | |
233 | ||
234 | #define FAN_FROM_REG(val,div) ((val) == 0 ? -1 : \ | |
235 | ((val) == 255 ? 0 : \ | |
236 | 1350000 / ((val) * (div)))) | |
237 | ||
238 | /* for temp1 */ | |
239 | #define TEMP1_TO_REG(val) (SENSORS_LIMIT(((val) < 0 ? (val)+0x100*1000 \ | |
240 | : (val)) / 1000, 0, 0xff)) | |
241 | #define TEMP1_FROM_REG(val) (((val) & 0x80 ? (val)-0x100 : (val)) * 1000) | |
242 | /* for temp2 and temp3, because they need addtional resolution */ | |
243 | #define TEMP_ADD_FROM_REG(val1, val2) \ | |
244 | ((((val1) & 0x80 ? (val1)-0x100 \ | |
245 | : (val1)) * 1000) + ((val2 & 0x80) ? 500 : 0)) | |
246 | #define TEMP_ADD_TO_REG_HIGH(val) \ | |
247 | (SENSORS_LIMIT(((val) < 0 ? (val)+0x100*1000 \ | |
248 | : (val)) / 1000, 0, 0xff)) | |
249 | #define TEMP_ADD_TO_REG_LOW(val) ((val%1000) ? 0x80 : 0x00) | |
250 | ||
251 | #define PWM_FROM_REG(val) (val) | |
252 | #define PWM_TO_REG(val) (SENSORS_LIMIT((val),0,255)) | |
253 | #define DIV_FROM_REG(val) (1 << (val)) | |
254 | ||
255 | static inline u8 | |
256 | DIV_TO_REG(long val) | |
257 | { | |
258 | int i; | |
259 | val = SENSORS_LIMIT(val, 1, 128) >> 1; | |
260 | for (i = 0; i < 6; i++) { | |
261 | if (val == 0) | |
262 | break; | |
263 | val >>= 1; | |
264 | } | |
265 | return ((u8) i); | |
266 | } | |
267 | ||
268 | struct w83792d_data { | |
269 | struct i2c_client client; | |
270 | struct semaphore lock; | |
271 | enum chips type; | |
272 | ||
273 | struct semaphore update_lock; | |
274 | char valid; /* !=0 if following fields are valid */ | |
275 | unsigned long last_updated; /* In jiffies */ | |
276 | ||
277 | /* array of 2 pointers to subclients */ | |
278 | struct i2c_client *lm75[2]; | |
279 | ||
280 | u8 in[9]; /* Register value */ | |
281 | u8 in_max[9]; /* Register value */ | |
282 | u8 in_min[9]; /* Register value */ | |
283 | u8 low_bits[2]; /* Additional resolution to voltage in0-6 */ | |
284 | u8 fan[7]; /* Register value */ | |
285 | u8 fan_min[7]; /* Register value */ | |
286 | u8 temp1[3]; /* current, over, thyst */ | |
287 | u8 temp_add[2][6]; /* Register value */ | |
288 | u8 fan_div[7]; /* Register encoding, shifted right */ | |
289 | u8 pwm[7]; /* We only consider the first 3 set of pwm, | |
290 | although 792 chip has 7 set of pwm. */ | |
291 | u8 pwmenable[3]; | |
292 | u8 pwm_mode[7]; /* indicates PWM or DC mode: 1->PWM; 0->DC */ | |
293 | u32 alarms; /* realtime status register encoding,combined */ | |
294 | u8 chassis; /* Chassis status */ | |
295 | u8 chassis_clear; /* CLR_CHS, clear chassis intrusion detection */ | |
296 | u8 thermal_cruise[3]; /* Smart FanI: Fan1,2,3 target value */ | |
297 | u8 tolerance[3]; /* Fan1,2,3 tolerance(Smart Fan I/II) */ | |
298 | u8 sf2_points[3][4]; /* Smart FanII: Fan1,2,3 temperature points */ | |
299 | u8 sf2_levels[3][4]; /* Smart FanII: Fan1,2,3 duty cycle levels */ | |
300 | }; | |
301 | ||
302 | static int w83792d_attach_adapter(struct i2c_adapter *adapter); | |
303 | static int w83792d_detect(struct i2c_adapter *adapter, int address, int kind); | |
304 | static int w83792d_detach_client(struct i2c_client *client); | |
305 | ||
306 | static int w83792d_read_value(struct i2c_client *client, u8 register); | |
307 | static int w83792d_write_value(struct i2c_client *client, u8 register, | |
308 | u8 value); | |
309 | static struct w83792d_data *w83792d_update_device(struct device *dev); | |
310 | ||
311 | #ifdef DEBUG | |
312 | static void w83792d_print_debug(struct w83792d_data *data, struct device *dev); | |
313 | #endif | |
314 | ||
315 | static void w83792d_init_client(struct i2c_client *client); | |
316 | ||
317 | static struct i2c_driver w83792d_driver = { | |
318 | .owner = THIS_MODULE, | |
319 | .name = "w83792d", | |
320 | .flags = I2C_DF_NOTIFY, | |
321 | .attach_adapter = w83792d_attach_adapter, | |
322 | .detach_client = w83792d_detach_client, | |
323 | }; | |
324 | ||
325 | static long in_count_from_reg(int nr, struct w83792d_data *data) | |
326 | { | |
327 | u16 vol_count = data->in[nr]; | |
328 | u16 low_bits = 0; | |
329 | vol_count = (vol_count << 2); | |
330 | switch (nr) | |
331 | { | |
332 | case 0: /* vin0 */ | |
333 | low_bits = (data->low_bits[0]) & 0x03; | |
334 | break; | |
335 | case 1: /* vin1 */ | |
336 | low_bits = ((data->low_bits[0]) & 0x0c) >> 2; | |
337 | break; | |
338 | case 2: /* vin2 */ | |
339 | low_bits = ((data->low_bits[0]) & 0x30) >> 4; | |
340 | break; | |
341 | case 3: /* vin3 */ | |
342 | low_bits = ((data->low_bits[0]) & 0xc0) >> 6; | |
343 | break; | |
344 | case 4: /* vin4 */ | |
345 | low_bits = (data->low_bits[1]) & 0x03; | |
346 | break; | |
347 | case 5: /* vin5 */ | |
348 | low_bits = ((data->low_bits[1]) & 0x0c) >> 2; | |
349 | break; | |
350 | case 6: /* vin6 */ | |
351 | low_bits = ((data->low_bits[1]) & 0x30) >> 4; | |
352 | default: | |
353 | break; | |
354 | } | |
355 | vol_count = vol_count | low_bits; | |
356 | return vol_count; | |
357 | } | |
358 | ||
359 | /* following are the sysfs callback functions */ | |
360 | static ssize_t show_in(struct device *dev, struct device_attribute *attr, | |
361 | char *buf) | |
362 | { | |
363 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); | |
364 | int nr = sensor_attr->index; | |
365 | struct w83792d_data *data = w83792d_update_device(dev); | |
366 | return sprintf(buf,"%ld\n", IN_FROM_REG(nr,(in_count_from_reg(nr, data)))); | |
367 | } | |
368 | ||
369 | #define show_in_reg(reg) \ | |
370 | static ssize_t show_##reg(struct device *dev, struct device_attribute *attr, \ | |
371 | char *buf) \ | |
372 | { \ | |
373 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); \ | |
374 | int nr = sensor_attr->index; \ | |
375 | struct w83792d_data *data = w83792d_update_device(dev); \ | |
376 | return sprintf(buf,"%ld\n", (long)(IN_FROM_REG(nr, (data->reg[nr])*4))); \ | |
377 | } | |
378 | ||
379 | show_in_reg(in_min); | |
380 | show_in_reg(in_max); | |
381 | ||
382 | #define store_in_reg(REG, reg) \ | |
383 | static ssize_t store_in_##reg (struct device *dev, \ | |
384 | struct device_attribute *attr, \ | |
385 | const char *buf, size_t count) \ | |
386 | { \ | |
387 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); \ | |
388 | int nr = sensor_attr->index; \ | |
389 | struct i2c_client *client = to_i2c_client(dev); \ | |
390 | struct w83792d_data *data = i2c_get_clientdata(client); \ | |
391 | u32 val; \ | |
392 | \ | |
393 | val = simple_strtoul(buf, NULL, 10); \ | |
394 | data->in_##reg[nr] = SENSORS_LIMIT(IN_TO_REG(nr, val)/4, 0, 255); \ | |
395 | w83792d_write_value(client, W83792D_REG_IN_##REG[nr], data->in_##reg[nr]); \ | |
396 | \ | |
397 | return count; \ | |
398 | } | |
399 | store_in_reg(MIN, min); | |
400 | store_in_reg(MAX, max); | |
401 | ||
402 | #define sysfs_in_reg(offset) \ | |
403 | static SENSOR_DEVICE_ATTR(in##offset##_input, S_IRUGO, show_in, \ | |
404 | NULL, offset); \ | |
405 | static SENSOR_DEVICE_ATTR(in##offset##_min, S_IRUGO | S_IWUSR, \ | |
406 | show_in_min, store_in_min, offset); \ | |
407 | static SENSOR_DEVICE_ATTR(in##offset##_max, S_IRUGO | S_IWUSR, \ | |
408 | show_in_max, store_in_max, offset); | |
409 | ||
410 | sysfs_in_reg(0); | |
411 | sysfs_in_reg(1); | |
412 | sysfs_in_reg(2); | |
413 | sysfs_in_reg(3); | |
414 | sysfs_in_reg(4); | |
415 | sysfs_in_reg(5); | |
416 | sysfs_in_reg(6); | |
417 | sysfs_in_reg(7); | |
418 | sysfs_in_reg(8); | |
419 | ||
420 | #define device_create_file_in(client, offset) \ | |
421 | do { \ | |
422 | device_create_file(&client->dev, &sensor_dev_attr_in##offset##_input.dev_attr); \ | |
423 | device_create_file(&client->dev, &sensor_dev_attr_in##offset##_max.dev_attr); \ | |
424 | device_create_file(&client->dev, &sensor_dev_attr_in##offset##_min.dev_attr); \ | |
425 | } while (0) | |
426 | ||
427 | #define show_fan_reg(reg) \ | |
428 | static ssize_t show_##reg (struct device *dev, struct device_attribute *attr, \ | |
429 | char *buf) \ | |
430 | { \ | |
431 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); \ | |
432 | int nr = sensor_attr->index - 1; \ | |
433 | struct w83792d_data *data = w83792d_update_device(dev); \ | |
434 | return sprintf(buf,"%d\n", \ | |
435 | FAN_FROM_REG(data->reg[nr], DIV_FROM_REG(data->fan_div[nr]))); \ | |
436 | } | |
437 | ||
438 | show_fan_reg(fan); | |
439 | show_fan_reg(fan_min); | |
440 | ||
441 | static ssize_t | |
442 | store_fan_min(struct device *dev, struct device_attribute *attr, | |
443 | const char *buf, size_t count) | |
444 | { | |
445 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); | |
446 | int nr = sensor_attr->index - 1; | |
447 | struct i2c_client *client = to_i2c_client(dev); | |
448 | struct w83792d_data *data = i2c_get_clientdata(client); | |
449 | u32 val; | |
450 | ||
451 | val = simple_strtoul(buf, NULL, 10); | |
452 | data->fan_min[nr] = FAN_TO_REG(val, DIV_FROM_REG(data->fan_div[nr])); | |
453 | w83792d_write_value(client, W83792D_REG_FAN_MIN[nr], | |
454 | data->fan_min[nr]); | |
455 | ||
456 | return count; | |
457 | } | |
458 | ||
459 | static ssize_t | |
460 | show_fan_div(struct device *dev, struct device_attribute *attr, | |
461 | char *buf) | |
462 | { | |
463 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); | |
464 | int nr = sensor_attr->index; | |
465 | struct w83792d_data *data = w83792d_update_device(dev); | |
466 | return sprintf(buf, "%u\n", DIV_FROM_REG(data->fan_div[nr - 1])); | |
467 | } | |
468 | ||
469 | /* Note: we save and restore the fan minimum here, because its value is | |
470 | determined in part by the fan divisor. This follows the principle of | |
471 | least suprise; the user doesn't expect the fan minimum to change just | |
472 | because the divisor changed. */ | |
473 | static ssize_t | |
474 | store_fan_div(struct device *dev, struct device_attribute *attr, | |
475 | const char *buf, size_t count) | |
476 | { | |
477 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); | |
478 | int nr = sensor_attr->index - 1; | |
479 | struct i2c_client *client = to_i2c_client(dev); | |
480 | struct w83792d_data *data = i2c_get_clientdata(client); | |
481 | unsigned long min; | |
482 | /*u8 reg;*/ | |
483 | u8 fan_div_reg = 0; | |
484 | u8 tmp_fan_div; | |
485 | ||
486 | /* Save fan_min */ | |
487 | min = FAN_FROM_REG(data->fan_min[nr], | |
488 | DIV_FROM_REG(data->fan_div[nr])); | |
489 | ||
490 | data->fan_div[nr] = DIV_TO_REG(simple_strtoul(buf, NULL, 10)); | |
491 | ||
492 | fan_div_reg = w83792d_read_value(client, W83792D_REG_FAN_DIV[nr >> 1]); | |
493 | fan_div_reg &= (nr & 0x01) ? 0x8f : 0xf8; | |
494 | tmp_fan_div = (nr & 0x01) ? (((data->fan_div[nr]) << 4) & 0x70) | |
495 | : ((data->fan_div[nr]) & 0x07); | |
496 | w83792d_write_value(client, W83792D_REG_FAN_DIV[nr >> 1], | |
497 | fan_div_reg | tmp_fan_div); | |
498 | ||
499 | /* Restore fan_min */ | |
500 | data->fan_min[nr] = FAN_TO_REG(min, DIV_FROM_REG(data->fan_div[nr])); | |
501 | w83792d_write_value(client, W83792D_REG_FAN_MIN[nr], data->fan_min[nr]); | |
502 | ||
503 | return count; | |
504 | } | |
505 | ||
506 | #define sysfs_fan(offset) \ | |
507 | static SENSOR_DEVICE_ATTR(fan##offset##_input, S_IRUGO, show_fan, NULL, \ | |
508 | offset); \ | |
509 | static SENSOR_DEVICE_ATTR(fan##offset##_div, S_IRUGO | S_IWUSR, \ | |
510 | show_fan_div, store_fan_div, offset); \ | |
511 | static SENSOR_DEVICE_ATTR(fan##offset##_min, S_IRUGO | S_IWUSR, \ | |
512 | show_fan_min, store_fan_min, offset); | |
513 | ||
514 | sysfs_fan(1); | |
515 | sysfs_fan(2); | |
516 | sysfs_fan(3); | |
517 | sysfs_fan(4); | |
518 | sysfs_fan(5); | |
519 | sysfs_fan(6); | |
520 | sysfs_fan(7); | |
521 | ||
522 | #define device_create_file_fan(client, offset) \ | |
523 | do { \ | |
524 | device_create_file(&client->dev, &sensor_dev_attr_fan##offset##_input.dev_attr); \ | |
525 | device_create_file(&client->dev, &sensor_dev_attr_fan##offset##_div.dev_attr); \ | |
526 | device_create_file(&client->dev, &sensor_dev_attr_fan##offset##_min.dev_attr); \ | |
527 | } while (0) | |
528 | ||
529 | ||
530 | /* read/write the temperature1, includes measured value and limits */ | |
531 | ||
532 | static ssize_t show_temp1(struct device *dev, struct device_attribute *attr, | |
533 | char *buf) | |
534 | { | |
535 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); | |
536 | int nr = sensor_attr->index; | |
537 | struct w83792d_data *data = w83792d_update_device(dev); | |
538 | return sprintf(buf, "%d\n", TEMP1_FROM_REG(data->temp1[nr])); | |
539 | } | |
540 | ||
541 | static ssize_t store_temp1(struct device *dev, struct device_attribute *attr, | |
542 | const char *buf, size_t count) | |
543 | { | |
544 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); | |
545 | int nr = sensor_attr->index; | |
546 | struct i2c_client *client = to_i2c_client(dev); | |
547 | struct w83792d_data *data = i2c_get_clientdata(client); | |
548 | s32 val; | |
549 | ||
550 | val = simple_strtol(buf, NULL, 10); | |
551 | ||
552 | data->temp1[nr] = TEMP1_TO_REG(val); | |
553 | w83792d_write_value(client, W83792D_REG_TEMP1[nr], | |
554 | data->temp1[nr]); | |
555 | ||
556 | return count; | |
557 | } | |
558 | ||
559 | ||
560 | static SENSOR_DEVICE_ATTR(temp1_input, S_IRUGO, show_temp1, NULL, 0); | |
561 | static SENSOR_DEVICE_ATTR(temp1_max, S_IRUGO | S_IWUSR, show_temp1, | |
562 | store_temp1, 1); | |
563 | static SENSOR_DEVICE_ATTR(temp1_max_hyst, S_IRUGO | S_IWUSR, show_temp1, | |
564 | store_temp1, 2); | |
565 | ||
566 | #define device_create_file_temp1(client) \ | |
567 | do { \ | |
568 | device_create_file(&client->dev, &sensor_dev_attr_temp1_input.dev_attr); \ | |
569 | device_create_file(&client->dev, &sensor_dev_attr_temp1_max.dev_attr); \ | |
570 | device_create_file(&client->dev, &sensor_dev_attr_temp1_max_hyst.dev_attr); \ | |
571 | } while (0) | |
572 | ||
573 | ||
574 | /* read/write the temperature2-3, includes measured value and limits */ | |
575 | ||
576 | static ssize_t show_temp23(struct device *dev, struct device_attribute *attr, | |
577 | char *buf) | |
578 | { | |
579 | struct sensor_device_attribute_2 *sensor_attr = to_sensor_dev_attr_2(attr); | |
580 | int nr = sensor_attr->nr; | |
581 | int index = sensor_attr->index; | |
582 | struct w83792d_data *data = w83792d_update_device(dev); | |
583 | return sprintf(buf,"%ld\n", | |
584 | (long)TEMP_ADD_FROM_REG(data->temp_add[nr][index], | |
585 | data->temp_add[nr][index+1])); | |
586 | } | |
587 | ||
588 | static ssize_t store_temp23(struct device *dev, struct device_attribute *attr, | |
589 | const char *buf, size_t count) | |
590 | { | |
591 | struct sensor_device_attribute_2 *sensor_attr = to_sensor_dev_attr_2(attr); | |
592 | int nr = sensor_attr->nr; | |
593 | int index = sensor_attr->index; | |
594 | struct i2c_client *client = to_i2c_client(dev); | |
595 | struct w83792d_data *data = i2c_get_clientdata(client); | |
596 | s32 val; | |
597 | ||
598 | val = simple_strtol(buf, NULL, 10); | |
599 | ||
600 | data->temp_add[nr][index] = TEMP_ADD_TO_REG_HIGH(val); | |
601 | data->temp_add[nr][index+1] = TEMP_ADD_TO_REG_LOW(val); | |
602 | w83792d_write_value(client, W83792D_REG_TEMP_ADD[nr][index], | |
603 | data->temp_add[nr][index]); | |
604 | w83792d_write_value(client, W83792D_REG_TEMP_ADD[nr][index+1], | |
605 | data->temp_add[nr][index+1]); | |
606 | ||
607 | return count; | |
608 | } | |
609 | ||
610 | #define sysfs_temp23(name,idx) \ | |
611 | static SENSOR_DEVICE_ATTR_2(name##_input, S_IRUGO, show_temp23, NULL, \ | |
612 | idx, 0); \ | |
613 | static SENSOR_DEVICE_ATTR_2(name##_max, S_IRUGO | S_IWUSR, \ | |
614 | show_temp23, store_temp23, idx, 2); \ | |
615 | static SENSOR_DEVICE_ATTR_2(name##_max_hyst, S_IRUGO | S_IWUSR, \ | |
616 | show_temp23, store_temp23, idx, 4); | |
617 | ||
618 | sysfs_temp23(temp2,0) | |
619 | sysfs_temp23(temp3,1) | |
620 | ||
621 | #define device_create_file_temp_add(client, offset) \ | |
622 | do { \ | |
623 | device_create_file(&client->dev, &sensor_dev_attr_temp##offset##_input.dev_attr); \ | |
624 | device_create_file(&client->dev, &sensor_dev_attr_temp##offset##_max.dev_attr); \ | |
625 | device_create_file(&client->dev, \ | |
626 | &sensor_dev_attr_temp##offset##_max_hyst.dev_attr); \ | |
627 | } while (0) | |
628 | ||
629 | ||
630 | /* get reatime status of all sensors items: voltage, temp, fan */ | |
631 | static ssize_t | |
632 | show_alarms_reg(struct device *dev, struct device_attribute *attr, char *buf) | |
633 | { | |
634 | struct w83792d_data *data = w83792d_update_device(dev); | |
635 | return sprintf(buf, "%d\n", data->alarms); | |
636 | } | |
637 | ||
638 | static | |
639 | DEVICE_ATTR(alarms, S_IRUGO, show_alarms_reg, NULL); | |
640 | #define device_create_file_alarms(client) \ | |
641 | device_create_file(&client->dev, &dev_attr_alarms); | |
642 | ||
643 | ||
644 | ||
645 | static ssize_t | |
646 | show_pwm(struct device *dev, struct device_attribute *attr, | |
647 | char *buf) | |
648 | { | |
649 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); | |
650 | int nr = sensor_attr->index; | |
651 | struct w83792d_data *data = w83792d_update_device(dev); | |
652 | return sprintf(buf, "%ld\n", (long) PWM_FROM_REG(data->pwm[nr-1])); | |
653 | } | |
654 | ||
655 | static ssize_t | |
656 | show_pwmenable(struct device *dev, struct device_attribute *attr, | |
657 | char *buf) | |
658 | { | |
659 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); | |
660 | int nr = sensor_attr->index - 1; | |
661 | struct w83792d_data *data = w83792d_update_device(dev); | |
662 | long pwm_enable_tmp = 1; | |
663 | ||
664 | switch (data->pwmenable[nr]) { | |
665 | case 0: | |
666 | pwm_enable_tmp = 1; /* manual mode */ | |
667 | break; | |
668 | case 1: | |
669 | pwm_enable_tmp = 3; /*thermal cruise/Smart Fan I */ | |
670 | break; | |
671 | case 2: | |
672 | pwm_enable_tmp = 2; /* Smart Fan II */ | |
673 | break; | |
674 | } | |
675 | ||
676 | return sprintf(buf, "%ld\n", pwm_enable_tmp); | |
677 | } | |
678 | ||
679 | static ssize_t | |
680 | store_pwm(struct device *dev, struct device_attribute *attr, | |
681 | const char *buf, size_t count) | |
682 | { | |
683 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); | |
684 | int nr = sensor_attr->index - 1; | |
685 | struct i2c_client *client = to_i2c_client(dev); | |
686 | struct w83792d_data *data = i2c_get_clientdata(client); | |
687 | u32 val; | |
688 | ||
689 | val = simple_strtoul(buf, NULL, 10); | |
690 | data->pwm[nr] = PWM_TO_REG(val); | |
691 | w83792d_write_value(client, W83792D_REG_PWM[nr], data->pwm[nr]); | |
692 | ||
693 | return count; | |
694 | } | |
695 | ||
696 | static ssize_t | |
697 | store_pwmenable(struct device *dev, struct device_attribute *attr, | |
698 | const char *buf, size_t count) | |
699 | { | |
700 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); | |
701 | int nr = sensor_attr->index - 1; | |
702 | struct i2c_client *client = to_i2c_client(dev); | |
703 | struct w83792d_data *data = i2c_get_clientdata(client); | |
704 | u32 val; | |
705 | u8 fan_cfg_tmp, cfg1_tmp, cfg2_tmp, cfg3_tmp, cfg4_tmp; | |
706 | ||
707 | val = simple_strtoul(buf, NULL, 10); | |
708 | switch (val) { | |
709 | case 1: | |
710 | data->pwmenable[nr] = 0; /* manual mode */ | |
711 | break; | |
712 | case 2: | |
713 | data->pwmenable[nr] = 2; /* Smart Fan II */ | |
714 | break; | |
715 | case 3: | |
716 | data->pwmenable[nr] = 1; /* thermal cruise/Smart Fan I */ | |
717 | break; | |
718 | default: | |
719 | return -EINVAL; | |
720 | } | |
721 | cfg1_tmp = data->pwmenable[0]; | |
722 | cfg2_tmp = (data->pwmenable[1]) << 2; | |
723 | cfg3_tmp = (data->pwmenable[2]) << 4; | |
724 | cfg4_tmp = w83792d_read_value(client,W83792D_REG_FAN_CFG) & 0xc0; | |
725 | fan_cfg_tmp = ((cfg4_tmp | cfg3_tmp) | cfg2_tmp) | cfg1_tmp; | |
726 | w83792d_write_value(client, W83792D_REG_FAN_CFG, fan_cfg_tmp); | |
727 | ||
728 | return count; | |
729 | } | |
730 | ||
731 | #define sysfs_pwm(offset) \ | |
732 | static SENSOR_DEVICE_ATTR(pwm##offset, S_IRUGO | S_IWUSR, \ | |
733 | show_pwm, store_pwm, offset); \ | |
734 | static SENSOR_DEVICE_ATTR(pwm##offset##_enable, S_IRUGO | S_IWUSR, \ | |
735 | show_pwmenable, store_pwmenable, offset); \ | |
736 | ||
737 | sysfs_pwm(1); | |
738 | sysfs_pwm(2); | |
739 | sysfs_pwm(3); | |
740 | ||
741 | ||
742 | #define device_create_file_pwm(client, offset) \ | |
743 | do { \ | |
744 | device_create_file(&client->dev, &sensor_dev_attr_pwm##offset.dev_attr); \ | |
745 | } while (0) | |
746 | ||
747 | #define device_create_file_pwmenable(client, offset) \ | |
748 | do { \ | |
749 | device_create_file(&client->dev, &sensor_dev_attr_pwm##offset##_enable.dev_attr); \ | |
750 | } while (0) | |
751 | ||
752 | ||
753 | static ssize_t | |
754 | show_pwm_mode(struct device *dev, struct device_attribute *attr, | |
755 | char *buf) | |
756 | { | |
757 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); | |
758 | int nr = sensor_attr->index; | |
759 | struct w83792d_data *data = w83792d_update_device(dev); | |
760 | return sprintf(buf, "%d\n", data->pwm_mode[nr-1]); | |
761 | } | |
762 | ||
763 | static ssize_t | |
764 | store_pwm_mode(struct device *dev, struct device_attribute *attr, | |
765 | const char *buf, size_t count) | |
766 | { | |
767 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); | |
768 | int nr = sensor_attr->index - 1; | |
769 | struct i2c_client *client = to_i2c_client(dev); | |
770 | struct w83792d_data *data = i2c_get_clientdata(client); | |
771 | u32 val; | |
772 | u8 pwm_mode_mask = 0; | |
773 | ||
774 | val = simple_strtoul(buf, NULL, 10); | |
775 | data->pwm_mode[nr] = SENSORS_LIMIT(val, 0, 1); | |
776 | pwm_mode_mask = w83792d_read_value(client, | |
777 | W83792D_REG_PWM[nr]) & 0x7f; | |
778 | w83792d_write_value(client, W83792D_REG_PWM[nr], | |
779 | ((data->pwm_mode[nr]) << 7) | pwm_mode_mask); | |
780 | ||
781 | return count; | |
782 | } | |
783 | ||
784 | #define sysfs_pwm_mode(offset) \ | |
785 | static SENSOR_DEVICE_ATTR(pwm##offset##_mode, S_IRUGO | S_IWUSR, \ | |
786 | show_pwm_mode, store_pwm_mode, offset); | |
787 | ||
788 | sysfs_pwm_mode(1); | |
789 | sysfs_pwm_mode(2); | |
790 | sysfs_pwm_mode(3); | |
791 | ||
792 | #define device_create_file_pwm_mode(client, offset) \ | |
793 | do { \ | |
794 | device_create_file(&client->dev, &sensor_dev_attr_pwm##offset##_mode.dev_attr); \ | |
795 | } while (0) | |
796 | ||
797 | ||
798 | static ssize_t | |
799 | show_regs_chassis(struct device *dev, struct device_attribute *attr, | |
800 | char *buf) | |
801 | { | |
802 | struct w83792d_data *data = w83792d_update_device(dev); | |
803 | return sprintf(buf, "%d\n", data->chassis); | |
804 | } | |
805 | ||
806 | static DEVICE_ATTR(chassis, S_IRUGO, show_regs_chassis, NULL); | |
807 | ||
808 | #define device_create_file_chassis(client) \ | |
809 | do { \ | |
810 | device_create_file(&client->dev, &dev_attr_chassis); \ | |
811 | } while (0) | |
812 | ||
813 | ||
814 | static ssize_t | |
815 | show_chassis_clear(struct device *dev, struct device_attribute *attr, char *buf) | |
816 | { | |
817 | struct w83792d_data *data = w83792d_update_device(dev); | |
818 | return sprintf(buf, "%d\n", data->chassis_clear); | |
819 | } | |
820 | ||
821 | static ssize_t | |
822 | store_chassis_clear(struct device *dev, struct device_attribute *attr, | |
823 | const char *buf, size_t count) | |
824 | { | |
825 | struct i2c_client *client = to_i2c_client(dev); | |
826 | struct w83792d_data *data = i2c_get_clientdata(client); | |
827 | u32 val; | |
828 | u8 temp1 = 0, temp2 = 0; | |
829 | ||
830 | val = simple_strtoul(buf, NULL, 10); | |
831 | ||
832 | data->chassis_clear = SENSORS_LIMIT(val, 0 ,1); | |
833 | temp1 = ((data->chassis_clear) << 7) & 0x80; | |
834 | temp2 = w83792d_read_value(client, | |
835 | W83792D_REG_CHASSIS_CLR) & 0x7f; | |
836 | w83792d_write_value(client, W83792D_REG_CHASSIS_CLR, temp1 | temp2); | |
837 | ||
838 | return count; | |
839 | } | |
840 | ||
841 | static DEVICE_ATTR(chassis_clear, S_IRUGO | S_IWUSR, | |
842 | show_chassis_clear, store_chassis_clear); | |
843 | ||
844 | #define device_create_file_chassis_clear(client) \ | |
845 | do { \ | |
846 | device_create_file(&client->dev, &dev_attr_chassis_clear); \ | |
847 | } while (0) | |
848 | ||
849 | ||
850 | ||
851 | /* For Smart Fan I / Thermal Cruise */ | |
852 | static ssize_t | |
853 | show_thermal_cruise(struct device *dev, struct device_attribute *attr, | |
854 | char *buf) | |
855 | { | |
856 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); | |
857 | int nr = sensor_attr->index; | |
858 | struct w83792d_data *data = w83792d_update_device(dev); | |
859 | return sprintf(buf, "%ld\n", (long)data->thermal_cruise[nr-1]); | |
860 | } | |
861 | ||
862 | static ssize_t | |
863 | store_thermal_cruise(struct device *dev, struct device_attribute *attr, | |
864 | const char *buf, size_t count) | |
865 | { | |
866 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); | |
867 | int nr = sensor_attr->index - 1; | |
868 | struct i2c_client *client = to_i2c_client(dev); | |
869 | struct w83792d_data *data = i2c_get_clientdata(client); | |
870 | u32 val; | |
871 | u8 target_tmp=0, target_mask=0; | |
872 | ||
873 | val = simple_strtoul(buf, NULL, 10); | |
874 | target_tmp = val; | |
875 | target_tmp = target_tmp & 0x7f; | |
876 | target_mask = w83792d_read_value(client, W83792D_REG_THERMAL[nr]) & 0x80; | |
877 | data->thermal_cruise[nr] = SENSORS_LIMIT(target_tmp, 0, 255); | |
878 | w83792d_write_value(client, W83792D_REG_THERMAL[nr], | |
879 | (data->thermal_cruise[nr]) | target_mask); | |
880 | ||
881 | return count; | |
882 | } | |
883 | ||
884 | #define sysfs_thermal_cruise(offset) \ | |
885 | static SENSOR_DEVICE_ATTR(thermal_cruise##offset, S_IRUGO | S_IWUSR, \ | |
886 | show_thermal_cruise, store_thermal_cruise, offset); | |
887 | ||
888 | sysfs_thermal_cruise(1); | |
889 | sysfs_thermal_cruise(2); | |
890 | sysfs_thermal_cruise(3); | |
891 | ||
892 | #define device_create_file_thermal_cruise(client, offset) \ | |
893 | do { \ | |
894 | device_create_file(&client->dev, \ | |
895 | &sensor_dev_attr_thermal_cruise##offset.dev_attr); \ | |
896 | } while (0) | |
897 | ||
898 | ||
899 | /* For Smart Fan I/Thermal Cruise and Smart Fan II */ | |
900 | static ssize_t | |
901 | show_tolerance(struct device *dev, struct device_attribute *attr, | |
902 | char *buf) | |
903 | { | |
904 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); | |
905 | int nr = sensor_attr->index; | |
906 | struct w83792d_data *data = w83792d_update_device(dev); | |
907 | return sprintf(buf, "%ld\n", (long)data->tolerance[nr-1]); | |
908 | } | |
909 | ||
910 | static ssize_t | |
911 | store_tolerance(struct device *dev, struct device_attribute *attr, | |
912 | const char *buf, size_t count) | |
913 | { | |
914 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); | |
915 | int nr = sensor_attr->index - 1; | |
916 | struct i2c_client *client = to_i2c_client(dev); | |
917 | struct w83792d_data *data = i2c_get_clientdata(client); | |
918 | u32 val; | |
919 | u8 tol_tmp, tol_mask; | |
920 | ||
921 | val = simple_strtoul(buf, NULL, 10); | |
922 | tol_mask = w83792d_read_value(client, | |
923 | W83792D_REG_TOLERANCE[nr]) & ((nr == 1) ? 0x0f : 0xf0); | |
924 | tol_tmp = SENSORS_LIMIT(val, 0, 15); | |
925 | tol_tmp &= 0x0f; | |
926 | data->tolerance[nr] = tol_tmp; | |
927 | if (nr == 1) { | |
928 | tol_tmp <<= 4; | |
929 | } | |
930 | w83792d_write_value(client, W83792D_REG_TOLERANCE[nr], | |
931 | tol_mask | tol_tmp); | |
932 | ||
933 | return count; | |
934 | } | |
935 | ||
936 | #define sysfs_tolerance(offset) \ | |
937 | static SENSOR_DEVICE_ATTR(tolerance##offset, S_IRUGO | S_IWUSR, \ | |
938 | show_tolerance, store_tolerance, offset); | |
939 | ||
940 | sysfs_tolerance(1); | |
941 | sysfs_tolerance(2); | |
942 | sysfs_tolerance(3); | |
943 | ||
944 | #define device_create_file_tolerance(client, offset) \ | |
945 | do { \ | |
946 | device_create_file(&client->dev, &sensor_dev_attr_tolerance##offset.dev_attr); \ | |
947 | } while (0) | |
948 | ||
949 | ||
950 | /* For Smart Fan II */ | |
951 | static ssize_t | |
952 | show_sf2_point(struct device *dev, struct device_attribute *attr, | |
953 | char *buf) | |
954 | { | |
955 | struct sensor_device_attribute_2 *sensor_attr = to_sensor_dev_attr_2(attr); | |
956 | int nr = sensor_attr->nr; | |
957 | int index = sensor_attr->index; | |
958 | struct w83792d_data *data = w83792d_update_device(dev); | |
959 | return sprintf(buf, "%ld\n", (long)data->sf2_points[index-1][nr-1]); | |
960 | } | |
961 | ||
962 | static ssize_t | |
963 | store_sf2_point(struct device *dev, struct device_attribute *attr, | |
964 | const char *buf, size_t count) | |
965 | { | |
966 | struct sensor_device_attribute_2 *sensor_attr = to_sensor_dev_attr_2(attr); | |
967 | int nr = sensor_attr->nr - 1; | |
968 | int index = sensor_attr->index - 1; | |
969 | struct i2c_client *client = to_i2c_client(dev); | |
970 | struct w83792d_data *data = i2c_get_clientdata(client); | |
971 | u32 val; | |
972 | u8 mask_tmp = 0; | |
973 | ||
974 | val = simple_strtoul(buf, NULL, 10); | |
975 | data->sf2_points[index][nr] = SENSORS_LIMIT(val, 0, 127); | |
976 | mask_tmp = w83792d_read_value(client, | |
977 | W83792D_REG_POINTS[index][nr]) & 0x80; | |
978 | w83792d_write_value(client, W83792D_REG_POINTS[index][nr], | |
979 | mask_tmp|data->sf2_points[index][nr]); | |
980 | ||
981 | return count; | |
982 | } | |
983 | ||
984 | #define sysfs_sf2_point(offset, index) \ | |
985 | static SENSOR_DEVICE_ATTR_2(sf2_point##offset##_fan##index, S_IRUGO | S_IWUSR, \ | |
986 | show_sf2_point, store_sf2_point, offset, index); | |
987 | ||
988 | sysfs_sf2_point(1, 1); /* Fan1 */ | |
989 | sysfs_sf2_point(2, 1); /* Fan1 */ | |
990 | sysfs_sf2_point(3, 1); /* Fan1 */ | |
991 | sysfs_sf2_point(4, 1); /* Fan1 */ | |
992 | sysfs_sf2_point(1, 2); /* Fan2 */ | |
993 | sysfs_sf2_point(2, 2); /* Fan2 */ | |
994 | sysfs_sf2_point(3, 2); /* Fan2 */ | |
995 | sysfs_sf2_point(4, 2); /* Fan2 */ | |
996 | sysfs_sf2_point(1, 3); /* Fan3 */ | |
997 | sysfs_sf2_point(2, 3); /* Fan3 */ | |
998 | sysfs_sf2_point(3, 3); /* Fan3 */ | |
999 | sysfs_sf2_point(4, 3); /* Fan3 */ | |
1000 | ||
1001 | #define device_create_file_sf2_point(client, offset, index) \ | |
1002 | do { \ | |
1003 | device_create_file(&client->dev, \ | |
1004 | &sensor_dev_attr_sf2_point##offset##_fan##index.dev_attr); \ | |
1005 | } while (0) | |
1006 | ||
1007 | ||
1008 | static ssize_t | |
1009 | show_sf2_level(struct device *dev, struct device_attribute *attr, | |
1010 | char *buf) | |
1011 | { | |
1012 | struct sensor_device_attribute_2 *sensor_attr = to_sensor_dev_attr_2(attr); | |
1013 | int nr = sensor_attr->nr; | |
1014 | int index = sensor_attr->index; | |
1015 | struct w83792d_data *data = w83792d_update_device(dev); | |
1016 | return sprintf(buf, "%d\n", | |
1017 | (((data->sf2_levels[index-1][nr]) * 100) / 15)); | |
1018 | } | |
1019 | ||
1020 | static ssize_t | |
1021 | store_sf2_level(struct device *dev, struct device_attribute *attr, | |
1022 | const char *buf, size_t count) | |
1023 | { | |
1024 | struct sensor_device_attribute_2 *sensor_attr = to_sensor_dev_attr_2(attr); | |
1025 | int nr = sensor_attr->nr; | |
1026 | int index = sensor_attr->index - 1; | |
1027 | struct i2c_client *client = to_i2c_client(dev); | |
1028 | struct w83792d_data *data = i2c_get_clientdata(client); | |
1029 | u32 val; | |
1030 | u8 mask_tmp=0, level_tmp=0; | |
1031 | ||
1032 | val = simple_strtoul(buf, NULL, 10); | |
1033 | data->sf2_levels[index][nr] = SENSORS_LIMIT((val * 15) / 100, 0, 15); | |
1034 | mask_tmp = w83792d_read_value(client, W83792D_REG_LEVELS[index][nr]) | |
1035 | & ((nr==3) ? 0xf0 : 0x0f); | |
1036 | if (nr==3) { | |
1037 | level_tmp = data->sf2_levels[index][nr]; | |
1038 | } else { | |
1039 | level_tmp = data->sf2_levels[index][nr] << 4; | |
1040 | } | |
1041 | w83792d_write_value(client, W83792D_REG_LEVELS[index][nr], level_tmp | mask_tmp); | |
1042 | ||
1043 | return count; | |
1044 | } | |
1045 | ||
1046 | #define sysfs_sf2_level(offset, index) \ | |
1047 | static SENSOR_DEVICE_ATTR_2(sf2_level##offset##_fan##index, S_IRUGO | S_IWUSR, \ | |
1048 | show_sf2_level, store_sf2_level, offset, index); | |
1049 | ||
1050 | sysfs_sf2_level(1, 1); /* Fan1 */ | |
1051 | sysfs_sf2_level(2, 1); /* Fan1 */ | |
1052 | sysfs_sf2_level(3, 1); /* Fan1 */ | |
1053 | sysfs_sf2_level(1, 2); /* Fan2 */ | |
1054 | sysfs_sf2_level(2, 2); /* Fan2 */ | |
1055 | sysfs_sf2_level(3, 2); /* Fan2 */ | |
1056 | sysfs_sf2_level(1, 3); /* Fan3 */ | |
1057 | sysfs_sf2_level(2, 3); /* Fan3 */ | |
1058 | sysfs_sf2_level(3, 3); /* Fan3 */ | |
1059 | ||
1060 | #define device_create_file_sf2_level(client, offset, index) \ | |
1061 | do { \ | |
1062 | device_create_file(&client->dev, \ | |
1063 | &sensor_dev_attr_sf2_level##offset##_fan##index.dev_attr); \ | |
1064 | } while (0) | |
1065 | ||
1066 | ||
1067 | /* This function is called when: | |
1068 | * w83792d_driver is inserted (when this module is loaded), for each | |
1069 | available adapter | |
1070 | * when a new adapter is inserted (and w83792d_driver is still present) */ | |
1071 | static int | |
1072 | w83792d_attach_adapter(struct i2c_adapter *adapter) | |
1073 | { | |
1074 | if (!(adapter->class & I2C_CLASS_HWMON)) | |
1075 | return 0; | |
1076 | return i2c_detect(adapter, &addr_data, w83792d_detect); | |
1077 | } | |
1078 | ||
1079 | ||
1080 | static int | |
1081 | w83792d_create_subclient(struct i2c_adapter *adapter, | |
1082 | struct i2c_client *new_client, int addr, | |
1083 | struct i2c_client **sub_cli) | |
1084 | { | |
1085 | int err; | |
1086 | struct i2c_client *sub_client; | |
1087 | ||
1088 | (*sub_cli) = sub_client = kmalloc(sizeof(struct i2c_client), GFP_KERNEL); | |
1089 | if (!(sub_client)) { | |
1090 | return -ENOMEM; | |
1091 | } | |
1092 | memset(sub_client, 0x00, sizeof(struct i2c_client)); | |
1093 | sub_client->addr = 0x48 + addr; | |
1094 | i2c_set_clientdata(sub_client, NULL); | |
1095 | sub_client->adapter = adapter; | |
1096 | sub_client->driver = &w83792d_driver; | |
1097 | sub_client->flags = 0; | |
1098 | strlcpy(sub_client->name, "w83792d subclient", I2C_NAME_SIZE); | |
1099 | if ((err = i2c_attach_client(sub_client))) { | |
1100 | dev_err(&new_client->dev, "subclient registration " | |
1101 | "at address 0x%x failed\n", sub_client->addr); | |
1102 | kfree(sub_client); | |
1103 | return err; | |
1104 | } | |
1105 | return 0; | |
1106 | } | |
1107 | ||
1108 | ||
1109 | static int | |
1110 | w83792d_detect_subclients(struct i2c_adapter *adapter, int address, int kind, | |
1111 | struct i2c_client *new_client) | |
1112 | { | |
1113 | int i, id, err; | |
1114 | u8 val; | |
1115 | struct w83792d_data *data = i2c_get_clientdata(new_client); | |
1116 | ||
1117 | id = i2c_adapter_id(adapter); | |
1118 | if (force_subclients[0] == id && force_subclients[1] == address) { | |
1119 | for (i = 2; i <= 3; i++) { | |
1120 | if (force_subclients[i] < 0x48 || | |
1121 | force_subclients[i] > 0x4f) { | |
1122 | dev_err(&new_client->dev, "invalid subclient " | |
1123 | "address %d; must be 0x48-0x4f\n", | |
1124 | force_subclients[i]); | |
1125 | err = -ENODEV; | |
1126 | goto ERROR_SC_0; | |
1127 | } | |
1128 | } | |
1129 | w83792d_write_value(new_client, W83792D_REG_I2C_SUBADDR, | |
1130 | (force_subclients[2] & 0x07) | | |
1131 | ((force_subclients[3] & 0x07) << 4)); | |
1132 | } | |
1133 | ||
1134 | val = w83792d_read_value(new_client, W83792D_REG_I2C_SUBADDR); | |
1135 | if (!(val & 0x08)) { | |
1136 | err = w83792d_create_subclient(adapter, new_client, val & 0x7, | |
1137 | &data->lm75[0]); | |
1138 | if (err < 0) | |
1139 | goto ERROR_SC_0; | |
1140 | } | |
1141 | if (!(val & 0x80)) { | |
1142 | if ((data->lm75[0] != NULL) && | |
1143 | ((val & 0x7) == ((val >> 4) & 0x7))) { | |
1144 | dev_err(&new_client->dev, "duplicate addresses 0x%x, " | |
1145 | "use force_subclient\n", data->lm75[0]->addr); | |
1146 | err = -ENODEV; | |
1147 | goto ERROR_SC_1; | |
1148 | } | |
1149 | err = w83792d_create_subclient(adapter, new_client, | |
1150 | (val >> 4) & 0x7, &data->lm75[1]); | |
1151 | if (err < 0) | |
1152 | goto ERROR_SC_1; | |
1153 | } | |
1154 | ||
1155 | return 0; | |
1156 | ||
1157 | /* Undo inits in case of errors */ | |
1158 | ||
1159 | ERROR_SC_1: | |
1160 | if (data->lm75[0] != NULL) { | |
1161 | i2c_detach_client(data->lm75[0]); | |
1162 | kfree(data->lm75[0]); | |
1163 | } | |
1164 | ERROR_SC_0: | |
1165 | return err; | |
1166 | } | |
1167 | ||
1168 | ||
1169 | static int | |
1170 | w83792d_detect(struct i2c_adapter *adapter, int address, int kind) | |
1171 | { | |
1172 | int i = 0, val1 = 0, val2; | |
1173 | struct i2c_client *new_client; | |
1174 | struct w83792d_data *data; | |
1175 | int err = 0; | |
1176 | const char *client_name = ""; | |
1177 | ||
1178 | if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) { | |
1179 | goto ERROR0; | |
1180 | } | |
1181 | ||
1182 | /* OK. For now, we presume we have a valid client. We now create the | |
1183 | client structure, even though we cannot fill it completely yet. | |
1184 | But it allows us to access w83792d_{read,write}_value. */ | |
1185 | ||
1186 | if (!(data = kmalloc(sizeof(struct w83792d_data), GFP_KERNEL))) { | |
1187 | err = -ENOMEM; | |
1188 | goto ERROR0; | |
1189 | } | |
1190 | memset(data, 0, sizeof(struct w83792d_data)); | |
1191 | ||
1192 | new_client = &data->client; | |
1193 | i2c_set_clientdata(new_client, data); | |
1194 | new_client->addr = address; | |
1195 | init_MUTEX(&data->lock); | |
1196 | new_client->adapter = adapter; | |
1197 | new_client->driver = &w83792d_driver; | |
1198 | new_client->flags = 0; | |
1199 | ||
1200 | /* Now, we do the remaining detection. */ | |
1201 | ||
1202 | /* The w83792d may be stuck in some other bank than bank 0. This may | |
1203 | make reading other information impossible. Specify a force=... or | |
1204 | force_*=... parameter, and the Winbond will be reset to the right | |
1205 | bank. */ | |
1206 | if (kind < 0) { | |
1207 | if (w83792d_read_value(new_client, W83792D_REG_CONFIG) & 0x80) { | |
1208 | dev_warn(&new_client->dev, "Detection failed at step " | |
1209 | "3\n"); | |
1210 | goto ERROR1; | |
1211 | } | |
1212 | val1 = w83792d_read_value(new_client, W83792D_REG_BANK); | |
1213 | val2 = w83792d_read_value(new_client, W83792D_REG_CHIPMAN); | |
1214 | /* Check for Winbond ID if in bank 0 */ | |
1215 | if (!(val1 & 0x07)) { /* is Bank0 */ | |
1216 | if (((!(val1 & 0x80)) && (val2 != 0xa3)) || | |
1217 | ((val1 & 0x80) && (val2 != 0x5c))) { | |
1218 | goto ERROR1; | |
1219 | } | |
1220 | } | |
1221 | /* If Winbond chip, address of chip and W83792D_REG_I2C_ADDR | |
1222 | should match */ | |
1223 | if (w83792d_read_value(new_client, | |
1224 | W83792D_REG_I2C_ADDR) != address) { | |
1225 | dev_warn(&new_client->dev, "Detection failed " | |
1226 | "at step 5\n"); | |
1227 | goto ERROR1; | |
1228 | } | |
1229 | } | |
1230 | ||
1231 | /* We have either had a force parameter, or we have already detected the | |
1232 | Winbond. Put it now into bank 0 and Vendor ID High Byte */ | |
1233 | w83792d_write_value(new_client, | |
1234 | W83792D_REG_BANK, | |
1235 | (w83792d_read_value(new_client, | |
1236 | W83792D_REG_BANK) & 0x78) | 0x80); | |
1237 | ||
1238 | /* Determine the chip type. */ | |
1239 | if (kind <= 0) { | |
1240 | /* get vendor ID */ | |
1241 | val2 = w83792d_read_value(new_client, W83792D_REG_CHIPMAN); | |
1242 | if (val2 != 0x5c) { /* the vendor is NOT Winbond */ | |
1243 | goto ERROR1; | |
1244 | } | |
1245 | val1 = w83792d_read_value(new_client, W83792D_REG_WCHIPID); | |
1246 | if (val1 == 0x7a && address >= 0x2c) { | |
1247 | kind = w83792d; | |
1248 | } else { | |
1249 | if (kind == 0) | |
1250 | dev_warn(&new_client->dev, | |
1251 | "w83792d: Ignoring 'force' parameter for" | |
1252 | " unknown chip at adapter %d, address" | |
1253 | " 0x%02x\n", i2c_adapter_id(adapter), | |
1254 | address); | |
1255 | goto ERROR1; | |
1256 | } | |
1257 | } | |
1258 | ||
1259 | if (kind == w83792d) { | |
1260 | client_name = "w83792d"; | |
1261 | } else { | |
1262 | dev_err(&new_client->dev, "w83792d: Internal error: unknown" | |
1263 | " kind (%d)?!?", kind); | |
1264 | goto ERROR1; | |
1265 | } | |
1266 | ||
1267 | /* Fill in the remaining client fields and put into the global list */ | |
1268 | strlcpy(new_client->name, client_name, I2C_NAME_SIZE); | |
1269 | data->type = kind; | |
1270 | ||
1271 | data->valid = 0; | |
1272 | init_MUTEX(&data->update_lock); | |
1273 | ||
1274 | /* Tell the I2C layer a new client has arrived */ | |
1275 | if ((err = i2c_attach_client(new_client))) | |
1276 | goto ERROR1; | |
1277 | ||
1278 | if ((err = w83792d_detect_subclients(adapter, address, | |
1279 | kind, new_client))) | |
1280 | goto ERROR2; | |
1281 | ||
1282 | /* Initialize the chip */ | |
1283 | w83792d_init_client(new_client); | |
1284 | ||
1285 | /* A few vars need to be filled upon startup */ | |
1286 | for (i = 1; i <= 7; i++) { | |
1287 | data->fan_min[i - 1] = w83792d_read_value(new_client, | |
1288 | W83792D_REG_FAN_MIN[i]); | |
1289 | } | |
1290 | ||
1291 | /* Register sysfs hooks */ | |
1292 | device_create_file_in(new_client, 0); | |
1293 | device_create_file_in(new_client, 1); | |
1294 | device_create_file_in(new_client, 2); | |
1295 | device_create_file_in(new_client, 3); | |
1296 | device_create_file_in(new_client, 4); | |
1297 | device_create_file_in(new_client, 5); | |
1298 | device_create_file_in(new_client, 6); | |
1299 | device_create_file_in(new_client, 7); | |
1300 | device_create_file_in(new_client, 8); | |
1301 | ||
1302 | device_create_file_fan(new_client, 1); | |
1303 | device_create_file_fan(new_client, 2); | |
1304 | device_create_file_fan(new_client, 3); | |
1305 | device_create_file_fan(new_client, 4); | |
1306 | device_create_file_fan(new_client, 5); | |
1307 | device_create_file_fan(new_client, 6); | |
1308 | device_create_file_fan(new_client, 7); | |
1309 | ||
1310 | device_create_file_temp1(new_client); /* Temp1 */ | |
1311 | device_create_file_temp_add(new_client, 2); /* Temp2 */ | |
1312 | device_create_file_temp_add(new_client, 3); /* Temp3 */ | |
1313 | ||
1314 | device_create_file_alarms(new_client); | |
1315 | ||
1316 | device_create_file_pwm(new_client, 1); | |
1317 | device_create_file_pwm(new_client, 2); | |
1318 | device_create_file_pwm(new_client, 3); | |
1319 | ||
1320 | device_create_file_pwmenable(new_client, 1); | |
1321 | device_create_file_pwmenable(new_client, 2); | |
1322 | device_create_file_pwmenable(new_client, 3); | |
1323 | ||
1324 | device_create_file_pwm_mode(new_client, 1); | |
1325 | device_create_file_pwm_mode(new_client, 2); | |
1326 | device_create_file_pwm_mode(new_client, 3); | |
1327 | ||
1328 | device_create_file_chassis(new_client); | |
1329 | device_create_file_chassis_clear(new_client); | |
1330 | ||
1331 | device_create_file_thermal_cruise(new_client, 1); | |
1332 | device_create_file_thermal_cruise(new_client, 2); | |
1333 | device_create_file_thermal_cruise(new_client, 3); | |
1334 | ||
1335 | device_create_file_tolerance(new_client, 1); | |
1336 | device_create_file_tolerance(new_client, 2); | |
1337 | device_create_file_tolerance(new_client, 3); | |
1338 | ||
1339 | device_create_file_sf2_point(new_client, 1, 1); /* Fan1 */ | |
1340 | device_create_file_sf2_point(new_client, 2, 1); /* Fan1 */ | |
1341 | device_create_file_sf2_point(new_client, 3, 1); /* Fan1 */ | |
1342 | device_create_file_sf2_point(new_client, 4, 1); /* Fan1 */ | |
1343 | device_create_file_sf2_point(new_client, 1, 2); /* Fan2 */ | |
1344 | device_create_file_sf2_point(new_client, 2, 2); /* Fan2 */ | |
1345 | device_create_file_sf2_point(new_client, 3, 2); /* Fan2 */ | |
1346 | device_create_file_sf2_point(new_client, 4, 2); /* Fan2 */ | |
1347 | device_create_file_sf2_point(new_client, 1, 3); /* Fan3 */ | |
1348 | device_create_file_sf2_point(new_client, 2, 3); /* Fan3 */ | |
1349 | device_create_file_sf2_point(new_client, 3, 3); /* Fan3 */ | |
1350 | device_create_file_sf2_point(new_client, 4, 3); /* Fan3 */ | |
1351 | ||
1352 | device_create_file_sf2_level(new_client, 1, 1); /* Fan1 */ | |
1353 | device_create_file_sf2_level(new_client, 2, 1); /* Fan1 */ | |
1354 | device_create_file_sf2_level(new_client, 3, 1); /* Fan1 */ | |
1355 | device_create_file_sf2_level(new_client, 1, 2); /* Fan2 */ | |
1356 | device_create_file_sf2_level(new_client, 2, 2); /* Fan2 */ | |
1357 | device_create_file_sf2_level(new_client, 3, 2); /* Fan2 */ | |
1358 | device_create_file_sf2_level(new_client, 1, 3); /* Fan3 */ | |
1359 | device_create_file_sf2_level(new_client, 2, 3); /* Fan3 */ | |
1360 | device_create_file_sf2_level(new_client, 3, 3); /* Fan3 */ | |
1361 | ||
1362 | return 0; | |
1363 | ||
1364 | ERROR2: | |
1365 | i2c_detach_client(new_client); | |
1366 | ERROR1: | |
1367 | kfree(data); | |
1368 | ERROR0: | |
1369 | return err; | |
1370 | } | |
1371 | ||
1372 | static int | |
1373 | w83792d_detach_client(struct i2c_client *client) | |
1374 | { | |
1375 | int err; | |
1376 | ||
1377 | if ((err = i2c_detach_client(client))) { | |
1378 | dev_err(&client->dev, | |
1379 | "Client deregistration failed, client not detached.\n"); | |
1380 | return err; | |
1381 | } | |
1382 | ||
1383 | if (i2c_get_clientdata(client)==NULL) { | |
1384 | /* subclients */ | |
1385 | kfree(client); | |
1386 | } else { | |
1387 | /* main client */ | |
1388 | kfree(i2c_get_clientdata(client)); | |
1389 | } | |
1390 | ||
1391 | return 0; | |
1392 | } | |
1393 | ||
1394 | /* The SMBus locks itself, usually, but nothing may access the Winbond between | |
1395 | bank switches. ISA access must always be locked explicitly! | |
1396 | We ignore the W83792D BUSY flag at this moment - it could lead to deadlocks, | |
1397 | would slow down the W83792D access and should not be necessary. | |
1398 | There are some ugly typecasts here, but the good news is - they should | |
1399 | nowhere else be necessary! */ | |
1400 | static int | |
1401 | w83792d_read_value(struct i2c_client *client, u8 reg) | |
1402 | { | |
1403 | int res=0; | |
1404 | res = i2c_smbus_read_byte_data(client, reg); | |
1405 | ||
1406 | return res; | |
1407 | } | |
1408 | ||
1409 | static int | |
1410 | w83792d_write_value(struct i2c_client *client, u8 reg, u8 value) | |
1411 | { | |
1412 | i2c_smbus_write_byte_data(client, reg, value); | |
1413 | return 0; | |
1414 | } | |
1415 | ||
1416 | /* Called when we have found a new W83792D. It should set limits, etc. */ | |
1417 | static void | |
1418 | w83792d_init_client(struct i2c_client *client) | |
1419 | { | |
1420 | u8 temp2_cfg, temp3_cfg, vid_in_b; | |
1421 | ||
1422 | if (init) { | |
1423 | w83792d_write_value(client, W83792D_REG_CONFIG, 0x80); | |
1424 | } | |
1425 | /* Clear the bit6 of W83792D_REG_VID_IN_B(set it into 0): | |
1426 | W83792D_REG_VID_IN_B bit6 = 0: the high/low limit of | |
1427 | vin0/vin1 can be modified by user; | |
1428 | W83792D_REG_VID_IN_B bit6 = 1: the high/low limit of | |
1429 | vin0/vin1 auto-updated, can NOT be modified by user. */ | |
1430 | vid_in_b = w83792d_read_value(client, W83792D_REG_VID_IN_B); | |
1431 | w83792d_write_value(client, W83792D_REG_VID_IN_B, | |
1432 | vid_in_b & 0xbf); | |
1433 | ||
1434 | temp2_cfg = w83792d_read_value(client, W83792D_REG_TEMP2_CONFIG); | |
1435 | temp3_cfg = w83792d_read_value(client, W83792D_REG_TEMP3_CONFIG); | |
1436 | w83792d_write_value(client, W83792D_REG_TEMP2_CONFIG, | |
1437 | temp2_cfg & 0xe6); | |
1438 | w83792d_write_value(client, W83792D_REG_TEMP3_CONFIG, | |
1439 | temp3_cfg & 0xe6); | |
1440 | ||
1441 | /* Start monitoring */ | |
1442 | w83792d_write_value(client, W83792D_REG_CONFIG, | |
1443 | (w83792d_read_value(client, | |
1444 | W83792D_REG_CONFIG) & 0xf7) | |
1445 | | 0x01); | |
1446 | } | |
1447 | ||
1448 | static struct w83792d_data *w83792d_update_device(struct device *dev) | |
1449 | { | |
1450 | struct i2c_client *client = to_i2c_client(dev); | |
1451 | struct w83792d_data *data = i2c_get_clientdata(client); | |
1452 | int i, j; | |
1453 | u8 reg_array_tmp[4], pwm_array_tmp[7], reg_tmp; | |
1454 | ||
1455 | down(&data->update_lock); | |
1456 | ||
1457 | if (time_after | |
1458 | (jiffies - data->last_updated, (unsigned long) (HZ * 3)) | |
1459 | || time_before(jiffies, data->last_updated) || !data->valid) { | |
1460 | dev_dbg(dev, "Starting device update\n"); | |
1461 | ||
1462 | /* Update the voltages measured value and limits */ | |
1463 | for (i = 0; i < 9; i++) { | |
1464 | data->in[i] = w83792d_read_value(client, | |
1465 | W83792D_REG_IN[i]); | |
1466 | data->in_max[i] = w83792d_read_value(client, | |
1467 | W83792D_REG_IN_MAX[i]); | |
1468 | data->in_min[i] = w83792d_read_value(client, | |
1469 | W83792D_REG_IN_MIN[i]); | |
1470 | } | |
1471 | data->low_bits[0] = w83792d_read_value(client, | |
1472 | W83792D_REG_LOW_BITS1); | |
1473 | data->low_bits[1] = w83792d_read_value(client, | |
1474 | W83792D_REG_LOW_BITS2); | |
1475 | for (i = 0; i < 7; i++) { | |
1476 | /* Update the Fan measured value and limits */ | |
1477 | data->fan[i] = w83792d_read_value(client, | |
1478 | W83792D_REG_FAN[i]); | |
1479 | data->fan_min[i] = w83792d_read_value(client, | |
1480 | W83792D_REG_FAN_MIN[i]); | |
1481 | /* Update the PWM/DC Value and PWM/DC flag */ | |
1482 | pwm_array_tmp[i] = w83792d_read_value(client, | |
1483 | W83792D_REG_PWM[i]); | |
1484 | data->pwm[i] = pwm_array_tmp[i] & 0x0f; | |
1485 | data->pwm_mode[i] = (pwm_array_tmp[i] >> 7) & 0x01; | |
1486 | } | |
1487 | ||
1488 | reg_tmp = w83792d_read_value(client, W83792D_REG_FAN_CFG); | |
1489 | data->pwmenable[0] = reg_tmp & 0x03; | |
1490 | data->pwmenable[1] = (reg_tmp>>2) & 0x03; | |
1491 | data->pwmenable[2] = (reg_tmp>>4) & 0x03; | |
1492 | ||
1493 | for (i = 0; i < 3; i++) { | |
1494 | data->temp1[i] = w83792d_read_value(client, | |
1495 | W83792D_REG_TEMP1[i]); | |
1496 | } | |
1497 | for (i = 0; i < 2; i++) { | |
1498 | for (j = 0; j < 6; j++) { | |
1499 | data->temp_add[i][j] = w83792d_read_value( | |
1500 | client,W83792D_REG_TEMP_ADD[i][j]); | |
1501 | } | |
1502 | } | |
1503 | ||
1504 | /* Update the Fan Divisor */ | |
1505 | for (i = 0; i < 4; i++) { | |
1506 | reg_array_tmp[i] = w83792d_read_value(client, | |
1507 | W83792D_REG_FAN_DIV[i]); | |
1508 | } | |
1509 | data->fan_div[0] = reg_array_tmp[0] & 0x07; | |
1510 | data->fan_div[1] = (reg_array_tmp[0] >> 4) & 0x07; | |
1511 | data->fan_div[2] = reg_array_tmp[1] & 0x07; | |
1512 | data->fan_div[3] = (reg_array_tmp[1] >> 4) & 0x07; | |
1513 | data->fan_div[4] = reg_array_tmp[2] & 0x07; | |
1514 | data->fan_div[5] = (reg_array_tmp[2] >> 4) & 0x07; | |
1515 | data->fan_div[6] = reg_array_tmp[3] & 0x07; | |
1516 | ||
1517 | /* Update the realtime status */ | |
1518 | data->alarms = w83792d_read_value(client, W83792D_REG_ALARM1) + | |
1519 | (w83792d_read_value(client, W83792D_REG_ALARM2) << 8) + | |
1520 | (w83792d_read_value(client, W83792D_REG_ALARM3) << 16); | |
1521 | ||
1522 | /* Update CaseOpen status and it's CLR_CHS. */ | |
1523 | data->chassis = (w83792d_read_value(client, | |
1524 | W83792D_REG_CHASSIS) >> 5) & 0x01; | |
1525 | data->chassis_clear = (w83792d_read_value(client, | |
1526 | W83792D_REG_CHASSIS_CLR) >> 7) & 0x01; | |
1527 | ||
1528 | /* Update Thermal Cruise/Smart Fan I target value */ | |
1529 | for (i = 0; i < 3; i++) { | |
1530 | data->thermal_cruise[i] = | |
1531 | w83792d_read_value(client, | |
1532 | W83792D_REG_THERMAL[i]) & 0x7f; | |
1533 | } | |
1534 | ||
1535 | /* Update Smart Fan I/II tolerance */ | |
1536 | reg_tmp = w83792d_read_value(client, W83792D_REG_TOLERANCE[0]); | |
1537 | data->tolerance[0] = reg_tmp & 0x0f; | |
1538 | data->tolerance[1] = (reg_tmp >> 4) & 0x0f; | |
1539 | data->tolerance[2] = w83792d_read_value(client, | |
1540 | W83792D_REG_TOLERANCE[2]) & 0x0f; | |
1541 | ||
1542 | /* Update Smart Fan II temperature points */ | |
1543 | for (i = 0; i < 3; i++) { | |
1544 | for (j = 0; j < 4; j++) { | |
1545 | data->sf2_points[i][j] = w83792d_read_value( | |
1546 | client,W83792D_REG_POINTS[i][j]) & 0x7f; | |
1547 | } | |
1548 | } | |
1549 | ||
1550 | /* Update Smart Fan II duty cycle levels */ | |
1551 | for (i = 0; i < 3; i++) { | |
1552 | reg_tmp = w83792d_read_value(client, | |
1553 | W83792D_REG_LEVELS[i][0]); | |
1554 | data->sf2_levels[i][0] = reg_tmp & 0x0f; | |
1555 | data->sf2_levels[i][1] = (reg_tmp >> 4) & 0x0f; | |
1556 | reg_tmp = w83792d_read_value(client, | |
1557 | W83792D_REG_LEVELS[i][2]); | |
1558 | data->sf2_levels[i][2] = (reg_tmp >> 4) & 0x0f; | |
1559 | data->sf2_levels[i][3] = reg_tmp & 0x0f; | |
1560 | } | |
1561 | ||
1562 | data->last_updated = jiffies; | |
1563 | data->valid = 1; | |
1564 | } | |
1565 | ||
1566 | up(&data->update_lock); | |
1567 | ||
1568 | #ifdef DEBUG | |
1569 | w83792d_print_debug(data, dev); | |
1570 | #endif | |
1571 | ||
1572 | return data; | |
1573 | } | |
1574 | ||
1575 | #ifdef DEBUG | |
1576 | static void w83792d_print_debug(struct w83792d_data *data, struct device *dev) | |
1577 | { | |
1578 | int i=0, j=0; | |
1579 | dev_dbg(dev, "==========The following is the debug message...========\n"); | |
1580 | dev_dbg(dev, "9 set of Voltages: =====>\n"); | |
1581 | for (i=0; i<9; i++) { | |
1582 | dev_dbg(dev, "vin[%d] is: 0x%x\n", i, data->in[i]); | |
1583 | dev_dbg(dev, "vin[%d] max is: 0x%x\n", i, data->in_max[i]); | |
1584 | dev_dbg(dev, "vin[%d] min is: 0x%x\n", i, data->in_min[i]); | |
1585 | } | |
1586 | dev_dbg(dev, "Low Bit1 is: 0x%x\n", data->low_bits[0]); | |
1587 | dev_dbg(dev, "Low Bit2 is: 0x%x\n", data->low_bits[1]); | |
1588 | dev_dbg(dev, "7 set of Fan Counts and Duty Cycles: =====>\n"); | |
1589 | for (i=0; i<7; i++) { | |
1590 | dev_dbg(dev, "fan[%d] is: 0x%x\n", i, data->fan[i]); | |
1591 | dev_dbg(dev, "fan[%d] min is: 0x%x\n", i, data->fan_min[i]); | |
1592 | dev_dbg(dev, "pwm[%d] is: 0x%x\n", i, data->pwm[i]); | |
1593 | dev_dbg(dev, "pwm_mode[%d] is: 0x%x\n", i, data->pwm_mode[i]); | |
1594 | } | |
1595 | dev_dbg(dev, "3 set of Temperatures: =====>\n"); | |
1596 | for (i=0; i<3; i++) { | |
1597 | dev_dbg(dev, "temp1[%d] is: 0x%x\n", i, data->temp1[i]); | |
1598 | } | |
1599 | ||
1600 | for (i=0; i<2; i++) { | |
1601 | for (j=0; j<6; j++) { | |
1602 | dev_dbg(dev, "temp_add[%d][%d] is: 0x%x\n", i, j, | |
1603 | data->temp_add[i][j]); | |
1604 | } | |
1605 | } | |
1606 | ||
1607 | for (i=0; i<7; i++) { | |
1608 | dev_dbg(dev, "fan_div[%d] is: 0x%x\n", i, data->fan_div[i]); | |
1609 | } | |
1610 | dev_dbg(dev, "==========End of the debug message...==================\n"); | |
1611 | dev_dbg(dev, "\n"); | |
1612 | } | |
1613 | #endif | |
1614 | ||
1615 | static int __init | |
1616 | sensors_w83792d_init(void) | |
1617 | { | |
1618 | return i2c_add_driver(&w83792d_driver); | |
1619 | } | |
1620 | ||
1621 | static void __exit | |
1622 | sensors_w83792d_exit(void) | |
1623 | { | |
1624 | i2c_del_driver(&w83792d_driver); | |
1625 | } | |
1626 | ||
1627 | MODULE_AUTHOR("Chunhao Huang @ Winbond <DZShen@Winbond.com.tw>"); | |
1628 | MODULE_DESCRIPTION("W83792AD/D driver for linux-2.6"); | |
1629 | MODULE_LICENSE("GPL"); | |
1630 | ||
1631 | module_init(sensors_w83792d_init); | |
1632 | module_exit(sensors_w83792d_exit); | |
1633 |