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5563e27d RM |
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> |
9a61bf63 | 46 | #include <linux/mutex.h> |
5563e27d RM |
47 | |
48 | /* Addresses to scan */ | |
49 | static unsigned short normal_i2c[] = { 0x2c, 0x2d, 0x2e, 0x2f, I2C_CLIENT_END }; | |
50 | ||
51 | /* Insmod parameters */ | |
f4b50261 | 52 | I2C_CLIENT_INSMOD_1(w83792d); |
5563e27d RM |
53 | I2C_CLIENT_MODULE_PARM(force_subclients, "List of subclient addresses: " |
54 | "{bus, clientaddr, subclientaddr1, subclientaddr2}"); | |
55 | ||
56 | static int init; | |
57 | module_param(init, bool, 0); | |
58 | MODULE_PARM_DESC(init, "Set to one to force chip initialization"); | |
59 | ||
60 | /* The W83792D registers */ | |
61 | static const u8 W83792D_REG_IN[9] = { | |
62 | 0x20, /* Vcore A in DataSheet */ | |
63 | 0x21, /* Vcore B in DataSheet */ | |
64 | 0x22, /* VIN0 in DataSheet */ | |
65 | 0x23, /* VIN1 in DataSheet */ | |
66 | 0x24, /* VIN2 in DataSheet */ | |
67 | 0x25, /* VIN3 in DataSheet */ | |
68 | 0x26, /* 5VCC in DataSheet */ | |
69 | 0xB0, /* 5VSB in DataSheet */ | |
70 | 0xB1 /* VBAT in DataSheet */ | |
71 | }; | |
72 | #define W83792D_REG_LOW_BITS1 0x3E /* Low Bits I in DataSheet */ | |
73 | #define W83792D_REG_LOW_BITS2 0x3F /* Low Bits II in DataSheet */ | |
74 | static const u8 W83792D_REG_IN_MAX[9] = { | |
75 | 0x2B, /* Vcore A High Limit in DataSheet */ | |
76 | 0x2D, /* Vcore B High Limit in DataSheet */ | |
77 | 0x2F, /* VIN0 High Limit in DataSheet */ | |
78 | 0x31, /* VIN1 High Limit in DataSheet */ | |
79 | 0x33, /* VIN2 High Limit in DataSheet */ | |
80 | 0x35, /* VIN3 High Limit in DataSheet */ | |
81 | 0x37, /* 5VCC High Limit in DataSheet */ | |
82 | 0xB4, /* 5VSB High Limit in DataSheet */ | |
83 | 0xB6 /* VBAT High Limit in DataSheet */ | |
84 | }; | |
85 | static const u8 W83792D_REG_IN_MIN[9] = { | |
86 | 0x2C, /* Vcore A Low Limit in DataSheet */ | |
87 | 0x2E, /* Vcore B Low Limit in DataSheet */ | |
88 | 0x30, /* VIN0 Low Limit in DataSheet */ | |
89 | 0x32, /* VIN1 Low Limit in DataSheet */ | |
90 | 0x34, /* VIN2 Low Limit in DataSheet */ | |
91 | 0x36, /* VIN3 Low Limit in DataSheet */ | |
92 | 0x38, /* 5VCC Low Limit in DataSheet */ | |
93 | 0xB5, /* 5VSB Low Limit in DataSheet */ | |
94 | 0xB7 /* VBAT Low Limit in DataSheet */ | |
95 | }; | |
96 | static const u8 W83792D_REG_FAN[7] = { | |
97 | 0x28, /* FAN 1 Count in DataSheet */ | |
98 | 0x29, /* FAN 2 Count in DataSheet */ | |
99 | 0x2A, /* FAN 3 Count in DataSheet */ | |
100 | 0xB8, /* FAN 4 Count in DataSheet */ | |
101 | 0xB9, /* FAN 5 Count in DataSheet */ | |
102 | 0xBA, /* FAN 6 Count in DataSheet */ | |
103 | 0xBE /* FAN 7 Count in DataSheet */ | |
104 | }; | |
105 | static const u8 W83792D_REG_FAN_MIN[7] = { | |
106 | 0x3B, /* FAN 1 Count Low Limit in DataSheet */ | |
107 | 0x3C, /* FAN 2 Count Low Limit in DataSheet */ | |
108 | 0x3D, /* FAN 3 Count Low Limit in DataSheet */ | |
109 | 0xBB, /* FAN 4 Count Low Limit in DataSheet */ | |
110 | 0xBC, /* FAN 5 Count Low Limit in DataSheet */ | |
111 | 0xBD, /* FAN 6 Count Low Limit in DataSheet */ | |
112 | 0xBF /* FAN 7 Count Low Limit in DataSheet */ | |
113 | }; | |
114 | #define W83792D_REG_FAN_CFG 0x84 /* FAN Configuration in DataSheet */ | |
115 | static const u8 W83792D_REG_FAN_DIV[4] = { | |
116 | 0x47, /* contains FAN2 and FAN1 Divisor */ | |
117 | 0x5B, /* contains FAN4 and FAN3 Divisor */ | |
118 | 0x5C, /* contains FAN6 and FAN5 Divisor */ | |
119 | 0x9E /* contains FAN7 Divisor. */ | |
120 | }; | |
121 | static const u8 W83792D_REG_PWM[7] = { | |
122 | 0x81, /* FAN 1 Duty Cycle, be used to control */ | |
123 | 0x83, /* FAN 2 Duty Cycle, be used to control */ | |
124 | 0x94, /* FAN 3 Duty Cycle, be used to control */ | |
125 | 0xA3, /* FAN 4 Duty Cycle, be used to control */ | |
126 | 0xA4, /* FAN 5 Duty Cycle, be used to control */ | |
127 | 0xA5, /* FAN 6 Duty Cycle, be used to control */ | |
128 | 0xA6 /* FAN 7 Duty Cycle, be used to control */ | |
129 | }; | |
130 | #define W83792D_REG_BANK 0x4E | |
131 | #define W83792D_REG_TEMP2_CONFIG 0xC2 | |
132 | #define W83792D_REG_TEMP3_CONFIG 0xCA | |
133 | ||
134 | static const u8 W83792D_REG_TEMP1[3] = { | |
135 | 0x27, /* TEMP 1 in DataSheet */ | |
136 | 0x39, /* TEMP 1 Over in DataSheet */ | |
137 | 0x3A, /* TEMP 1 Hyst in DataSheet */ | |
138 | }; | |
139 | ||
140 | static const u8 W83792D_REG_TEMP_ADD[2][6] = { | |
141 | { 0xC0, /* TEMP 2 in DataSheet */ | |
142 | 0xC1, /* TEMP 2(0.5 deg) in DataSheet */ | |
143 | 0xC5, /* TEMP 2 Over High part in DataSheet */ | |
144 | 0xC6, /* TEMP 2 Over Low part in DataSheet */ | |
145 | 0xC3, /* TEMP 2 Thyst High part in DataSheet */ | |
146 | 0xC4 }, /* TEMP 2 Thyst Low part in DataSheet */ | |
147 | { 0xC8, /* TEMP 3 in DataSheet */ | |
148 | 0xC9, /* TEMP 3(0.5 deg) in DataSheet */ | |
149 | 0xCD, /* TEMP 3 Over High part in DataSheet */ | |
150 | 0xCE, /* TEMP 3 Over Low part in DataSheet */ | |
151 | 0xCB, /* TEMP 3 Thyst High part in DataSheet */ | |
152 | 0xCC } /* TEMP 3 Thyst Low part in DataSheet */ | |
153 | }; | |
154 | ||
155 | static const u8 W83792D_REG_THERMAL[3] = { | |
156 | 0x85, /* SmartFanI: Fan1 target value */ | |
157 | 0x86, /* SmartFanI: Fan2 target value */ | |
158 | 0x96 /* SmartFanI: Fan3 target value */ | |
159 | }; | |
160 | ||
161 | static const u8 W83792D_REG_TOLERANCE[3] = { | |
162 | 0x87, /* (bit3-0)SmartFan Fan1 tolerance */ | |
163 | 0x87, /* (bit7-4)SmartFan Fan2 tolerance */ | |
164 | 0x97 /* (bit3-0)SmartFan Fan3 tolerance */ | |
165 | }; | |
166 | ||
167 | static const u8 W83792D_REG_POINTS[3][4] = { | |
168 | { 0x85, /* SmartFanII: Fan1 temp point 1 */ | |
169 | 0xE3, /* SmartFanII: Fan1 temp point 2 */ | |
170 | 0xE4, /* SmartFanII: Fan1 temp point 3 */ | |
171 | 0xE5 }, /* SmartFanII: Fan1 temp point 4 */ | |
172 | { 0x86, /* SmartFanII: Fan2 temp point 1 */ | |
173 | 0xE6, /* SmartFanII: Fan2 temp point 2 */ | |
174 | 0xE7, /* SmartFanII: Fan2 temp point 3 */ | |
175 | 0xE8 }, /* SmartFanII: Fan2 temp point 4 */ | |
176 | { 0x96, /* SmartFanII: Fan3 temp point 1 */ | |
177 | 0xE9, /* SmartFanII: Fan3 temp point 2 */ | |
178 | 0xEA, /* SmartFanII: Fan3 temp point 3 */ | |
179 | 0xEB } /* SmartFanII: Fan3 temp point 4 */ | |
180 | }; | |
181 | ||
182 | static const u8 W83792D_REG_LEVELS[3][4] = { | |
183 | { 0x88, /* (bit3-0) SmartFanII: Fan1 Non-Stop */ | |
184 | 0x88, /* (bit7-4) SmartFanII: Fan1 Level 1 */ | |
185 | 0xE0, /* (bit7-4) SmartFanII: Fan1 Level 2 */ | |
186 | 0xE0 }, /* (bit3-0) SmartFanII: Fan1 Level 3 */ | |
187 | { 0x89, /* (bit3-0) SmartFanII: Fan2 Non-Stop */ | |
188 | 0x89, /* (bit7-4) SmartFanII: Fan2 Level 1 */ | |
189 | 0xE1, /* (bit7-4) SmartFanII: Fan2 Level 2 */ | |
190 | 0xE1 }, /* (bit3-0) SmartFanII: Fan2 Level 3 */ | |
191 | { 0x98, /* (bit3-0) SmartFanII: Fan3 Non-Stop */ | |
192 | 0x98, /* (bit7-4) SmartFanII: Fan3 Level 1 */ | |
193 | 0xE2, /* (bit7-4) SmartFanII: Fan3 Level 2 */ | |
194 | 0xE2 } /* (bit3-0) SmartFanII: Fan3 Level 3 */ | |
195 | }; | |
196 | ||
96320519 | 197 | #define W83792D_REG_GPIO_EN 0x1A |
5563e27d RM |
198 | #define W83792D_REG_CONFIG 0x40 |
199 | #define W83792D_REG_VID_FANDIV 0x47 | |
200 | #define W83792D_REG_CHIPID 0x49 | |
201 | #define W83792D_REG_WCHIPID 0x58 | |
202 | #define W83792D_REG_CHIPMAN 0x4F | |
203 | #define W83792D_REG_PIN 0x4B | |
204 | #define W83792D_REG_I2C_SUBADDR 0x4A | |
205 | ||
206 | #define W83792D_REG_ALARM1 0xA9 /* realtime status register1 */ | |
207 | #define W83792D_REG_ALARM2 0xAA /* realtime status register2 */ | |
208 | #define W83792D_REG_ALARM3 0xAB /* realtime status register3 */ | |
209 | #define W83792D_REG_CHASSIS 0x42 /* Bit 5: Case Open status bit */ | |
210 | #define W83792D_REG_CHASSIS_CLR 0x44 /* Bit 7: Case Open CLR_CHS/Reset bit */ | |
211 | ||
212 | /* control in0/in1 's limit modifiability */ | |
213 | #define W83792D_REG_VID_IN_B 0x17 | |
214 | ||
215 | #define W83792D_REG_VBAT 0x5D | |
216 | #define W83792D_REG_I2C_ADDR 0x48 | |
217 | ||
218 | /* Conversions. Rounding and limit checking is only done on the TO_REG | |
219 | variants. Note that you should be a bit careful with which arguments | |
220 | these macros are called: arguments may be evaluated more than once. | |
221 | Fixing this is just not worth it. */ | |
222 | #define IN_FROM_REG(nr,val) (((nr)<=1)?(val*2): \ | |
223 | ((((nr)==6)||((nr)==7))?(val*6):(val*4))) | |
224 | #define IN_TO_REG(nr,val) (((nr)<=1)?(val/2): \ | |
225 | ((((nr)==6)||((nr)==7))?(val/6):(val/4))) | |
226 | ||
227 | static inline u8 | |
228 | FAN_TO_REG(long rpm, int div) | |
229 | { | |
230 | if (rpm == 0) | |
231 | return 255; | |
232 | rpm = SENSORS_LIMIT(rpm, 1, 1000000); | |
233 | return SENSORS_LIMIT((1350000 + rpm * div / 2) / (rpm * div), 1, 254); | |
234 | } | |
235 | ||
236 | #define FAN_FROM_REG(val,div) ((val) == 0 ? -1 : \ | |
237 | ((val) == 255 ? 0 : \ | |
238 | 1350000 / ((val) * (div)))) | |
239 | ||
240 | /* for temp1 */ | |
241 | #define TEMP1_TO_REG(val) (SENSORS_LIMIT(((val) < 0 ? (val)+0x100*1000 \ | |
242 | : (val)) / 1000, 0, 0xff)) | |
243 | #define TEMP1_FROM_REG(val) (((val) & 0x80 ? (val)-0x100 : (val)) * 1000) | |
244 | /* for temp2 and temp3, because they need addtional resolution */ | |
245 | #define TEMP_ADD_FROM_REG(val1, val2) \ | |
246 | ((((val1) & 0x80 ? (val1)-0x100 \ | |
247 | : (val1)) * 1000) + ((val2 & 0x80) ? 500 : 0)) | |
248 | #define TEMP_ADD_TO_REG_HIGH(val) \ | |
249 | (SENSORS_LIMIT(((val) < 0 ? (val)+0x100*1000 \ | |
250 | : (val)) / 1000, 0, 0xff)) | |
251 | #define TEMP_ADD_TO_REG_LOW(val) ((val%1000) ? 0x80 : 0x00) | |
252 | ||
5563e27d RM |
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; | |
96320519 | 260 | for (i = 0; i < 7; i++) { |
5563e27d RM |
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; | |
ce785ab4 | 270 | struct class_device *class_dev; |
5563e27d RM |
271 | enum chips type; |
272 | ||
9a61bf63 | 273 | struct mutex update_lock; |
5563e27d RM |
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 */ | |
99d85560 | 283 | u16 low_bits; /* Additional resolution to voltage in6-0 */ |
5563e27d RM |
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]; | |
5563e27d RM |
292 | u32 alarms; /* realtime status register encoding,combined */ |
293 | u8 chassis; /* Chassis status */ | |
294 | u8 chassis_clear; /* CLR_CHS, clear chassis intrusion detection */ | |
295 | u8 thermal_cruise[3]; /* Smart FanI: Fan1,2,3 target value */ | |
296 | u8 tolerance[3]; /* Fan1,2,3 tolerance(Smart Fan I/II) */ | |
297 | u8 sf2_points[3][4]; /* Smart FanII: Fan1,2,3 temperature points */ | |
298 | u8 sf2_levels[3][4]; /* Smart FanII: Fan1,2,3 duty cycle levels */ | |
299 | }; | |
300 | ||
301 | static int w83792d_attach_adapter(struct i2c_adapter *adapter); | |
302 | static int w83792d_detect(struct i2c_adapter *adapter, int address, int kind); | |
303 | static int w83792d_detach_client(struct i2c_client *client); | |
5563e27d RM |
304 | static struct w83792d_data *w83792d_update_device(struct device *dev); |
305 | ||
306 | #ifdef DEBUG | |
307 | static void w83792d_print_debug(struct w83792d_data *data, struct device *dev); | |
308 | #endif | |
309 | ||
310 | static void w83792d_init_client(struct i2c_client *client); | |
311 | ||
312 | static struct i2c_driver w83792d_driver = { | |
cdaf7934 | 313 | .driver = { |
cdaf7934 LR |
314 | .name = "w83792d", |
315 | }, | |
5563e27d RM |
316 | .attach_adapter = w83792d_attach_adapter, |
317 | .detach_client = w83792d_detach_client, | |
318 | }; | |
319 | ||
99d85560 | 320 | static inline long in_count_from_reg(int nr, struct w83792d_data *data) |
5563e27d | 321 | { |
99d85560 JD |
322 | /* in7 and in8 do not have low bits, but the formula still works */ |
323 | return ((data->in[nr] << 2) | ((data->low_bits >> (2 * nr)) & 0x03)); | |
5563e27d RM |
324 | } |
325 | ||
0d0ab7fe JD |
326 | /* The SMBus locks itself. The Winbond W83792D chip has a bank register, |
327 | but the driver only accesses registers in bank 0, so we don't have | |
328 | to switch banks and lock access between switches. */ | |
329 | static inline int w83792d_read_value(struct i2c_client *client, u8 reg) | |
330 | { | |
331 | return i2c_smbus_read_byte_data(client, reg); | |
332 | } | |
333 | ||
334 | static inline int | |
335 | w83792d_write_value(struct i2c_client *client, u8 reg, u8 value) | |
336 | { | |
337 | return i2c_smbus_write_byte_data(client, reg, value); | |
338 | } | |
339 | ||
5563e27d RM |
340 | /* following are the sysfs callback functions */ |
341 | static ssize_t show_in(struct device *dev, struct device_attribute *attr, | |
342 | char *buf) | |
343 | { | |
344 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); | |
345 | int nr = sensor_attr->index; | |
346 | struct w83792d_data *data = w83792d_update_device(dev); | |
347 | return sprintf(buf,"%ld\n", IN_FROM_REG(nr,(in_count_from_reg(nr, data)))); | |
348 | } | |
349 | ||
350 | #define show_in_reg(reg) \ | |
351 | static ssize_t show_##reg(struct device *dev, struct device_attribute *attr, \ | |
352 | char *buf) \ | |
353 | { \ | |
354 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); \ | |
355 | int nr = sensor_attr->index; \ | |
356 | struct w83792d_data *data = w83792d_update_device(dev); \ | |
357 | return sprintf(buf,"%ld\n", (long)(IN_FROM_REG(nr, (data->reg[nr])*4))); \ | |
358 | } | |
359 | ||
360 | show_in_reg(in_min); | |
361 | show_in_reg(in_max); | |
362 | ||
363 | #define store_in_reg(REG, reg) \ | |
364 | static ssize_t store_in_##reg (struct device *dev, \ | |
365 | struct device_attribute *attr, \ | |
366 | const char *buf, size_t count) \ | |
367 | { \ | |
368 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); \ | |
369 | int nr = sensor_attr->index; \ | |
370 | struct i2c_client *client = to_i2c_client(dev); \ | |
371 | struct w83792d_data *data = i2c_get_clientdata(client); \ | |
372 | u32 val; \ | |
373 | \ | |
374 | val = simple_strtoul(buf, NULL, 10); \ | |
bed73082 | 375 | mutex_lock(&data->update_lock); \ |
5563e27d RM |
376 | data->in_##reg[nr] = SENSORS_LIMIT(IN_TO_REG(nr, val)/4, 0, 255); \ |
377 | w83792d_write_value(client, W83792D_REG_IN_##REG[nr], data->in_##reg[nr]); \ | |
bed73082 | 378 | mutex_unlock(&data->update_lock); \ |
5563e27d RM |
379 | \ |
380 | return count; \ | |
381 | } | |
382 | store_in_reg(MIN, min); | |
383 | store_in_reg(MAX, max); | |
384 | ||
1f8dae31 YM |
385 | static struct sensor_device_attribute sda_in_input[] = { |
386 | SENSOR_ATTR(in0_input, S_IRUGO, show_in, NULL, 0), | |
387 | SENSOR_ATTR(in1_input, S_IRUGO, show_in, NULL, 1), | |
388 | SENSOR_ATTR(in2_input, S_IRUGO, show_in, NULL, 2), | |
389 | SENSOR_ATTR(in3_input, S_IRUGO, show_in, NULL, 3), | |
390 | SENSOR_ATTR(in4_input, S_IRUGO, show_in, NULL, 4), | |
391 | SENSOR_ATTR(in5_input, S_IRUGO, show_in, NULL, 5), | |
392 | SENSOR_ATTR(in6_input, S_IRUGO, show_in, NULL, 6), | |
393 | SENSOR_ATTR(in7_input, S_IRUGO, show_in, NULL, 7), | |
394 | SENSOR_ATTR(in8_input, S_IRUGO, show_in, NULL, 8), | |
395 | }; | |
396 | static struct sensor_device_attribute sda_in_min[] = { | |
397 | SENSOR_ATTR(in0_min, S_IWUSR | S_IRUGO, show_in_min, store_in_min, 0), | |
398 | SENSOR_ATTR(in1_min, S_IWUSR | S_IRUGO, show_in_min, store_in_min, 1), | |
399 | SENSOR_ATTR(in2_min, S_IWUSR | S_IRUGO, show_in_min, store_in_min, 2), | |
400 | SENSOR_ATTR(in3_min, S_IWUSR | S_IRUGO, show_in_min, store_in_min, 3), | |
401 | SENSOR_ATTR(in4_min, S_IWUSR | S_IRUGO, show_in_min, store_in_min, 4), | |
402 | SENSOR_ATTR(in5_min, S_IWUSR | S_IRUGO, show_in_min, store_in_min, 5), | |
403 | SENSOR_ATTR(in6_min, S_IWUSR | S_IRUGO, show_in_min, store_in_min, 6), | |
404 | SENSOR_ATTR(in7_min, S_IWUSR | S_IRUGO, show_in_min, store_in_min, 7), | |
405 | SENSOR_ATTR(in8_min, S_IWUSR | S_IRUGO, show_in_min, store_in_min, 8), | |
406 | }; | |
407 | static struct sensor_device_attribute sda_in_max[] = { | |
408 | SENSOR_ATTR(in0_max, S_IWUSR | S_IRUGO, show_in_max, store_in_max, 0), | |
409 | SENSOR_ATTR(in1_max, S_IWUSR | S_IRUGO, show_in_max, store_in_max, 1), | |
410 | SENSOR_ATTR(in2_max, S_IWUSR | S_IRUGO, show_in_max, store_in_max, 2), | |
411 | SENSOR_ATTR(in3_max, S_IWUSR | S_IRUGO, show_in_max, store_in_max, 3), | |
412 | SENSOR_ATTR(in4_max, S_IWUSR | S_IRUGO, show_in_max, store_in_max, 4), | |
413 | SENSOR_ATTR(in5_max, S_IWUSR | S_IRUGO, show_in_max, store_in_max, 5), | |
414 | SENSOR_ATTR(in6_max, S_IWUSR | S_IRUGO, show_in_max, store_in_max, 6), | |
415 | SENSOR_ATTR(in7_max, S_IWUSR | S_IRUGO, show_in_max, store_in_max, 7), | |
416 | SENSOR_ATTR(in8_max, S_IWUSR | S_IRUGO, show_in_max, store_in_max, 8), | |
417 | }; | |
418 | ||
5563e27d RM |
419 | |
420 | #define show_fan_reg(reg) \ | |
421 | static ssize_t show_##reg (struct device *dev, struct device_attribute *attr, \ | |
422 | char *buf) \ | |
423 | { \ | |
424 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); \ | |
425 | int nr = sensor_attr->index - 1; \ | |
426 | struct w83792d_data *data = w83792d_update_device(dev); \ | |
427 | return sprintf(buf,"%d\n", \ | |
428 | FAN_FROM_REG(data->reg[nr], DIV_FROM_REG(data->fan_div[nr]))); \ | |
429 | } | |
430 | ||
431 | show_fan_reg(fan); | |
432 | show_fan_reg(fan_min); | |
433 | ||
434 | static ssize_t | |
435 | store_fan_min(struct device *dev, struct device_attribute *attr, | |
436 | const char *buf, size_t count) | |
437 | { | |
438 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); | |
439 | int nr = sensor_attr->index - 1; | |
440 | struct i2c_client *client = to_i2c_client(dev); | |
441 | struct w83792d_data *data = i2c_get_clientdata(client); | |
442 | u32 val; | |
443 | ||
444 | val = simple_strtoul(buf, NULL, 10); | |
bed73082 | 445 | mutex_lock(&data->update_lock); |
5563e27d RM |
446 | data->fan_min[nr] = FAN_TO_REG(val, DIV_FROM_REG(data->fan_div[nr])); |
447 | w83792d_write_value(client, W83792D_REG_FAN_MIN[nr], | |
448 | data->fan_min[nr]); | |
bed73082 | 449 | mutex_unlock(&data->update_lock); |
5563e27d RM |
450 | |
451 | return count; | |
452 | } | |
453 | ||
454 | static ssize_t | |
455 | show_fan_div(struct device *dev, struct device_attribute *attr, | |
456 | char *buf) | |
457 | { | |
458 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); | |
459 | int nr = sensor_attr->index; | |
460 | struct w83792d_data *data = w83792d_update_device(dev); | |
461 | return sprintf(buf, "%u\n", DIV_FROM_REG(data->fan_div[nr - 1])); | |
462 | } | |
463 | ||
464 | /* Note: we save and restore the fan minimum here, because its value is | |
465 | determined in part by the fan divisor. This follows the principle of | |
d6e05edc | 466 | least surprise; the user doesn't expect the fan minimum to change just |
5563e27d RM |
467 | because the divisor changed. */ |
468 | static ssize_t | |
469 | store_fan_div(struct device *dev, struct device_attribute *attr, | |
470 | const char *buf, size_t count) | |
471 | { | |
472 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); | |
473 | int nr = sensor_attr->index - 1; | |
474 | struct i2c_client *client = to_i2c_client(dev); | |
475 | struct w83792d_data *data = i2c_get_clientdata(client); | |
476 | unsigned long min; | |
477 | /*u8 reg;*/ | |
478 | u8 fan_div_reg = 0; | |
479 | u8 tmp_fan_div; | |
480 | ||
481 | /* Save fan_min */ | |
bed73082 | 482 | mutex_lock(&data->update_lock); |
5563e27d RM |
483 | min = FAN_FROM_REG(data->fan_min[nr], |
484 | DIV_FROM_REG(data->fan_div[nr])); | |
485 | ||
486 | data->fan_div[nr] = DIV_TO_REG(simple_strtoul(buf, NULL, 10)); | |
487 | ||
488 | fan_div_reg = w83792d_read_value(client, W83792D_REG_FAN_DIV[nr >> 1]); | |
489 | fan_div_reg &= (nr & 0x01) ? 0x8f : 0xf8; | |
490 | tmp_fan_div = (nr & 0x01) ? (((data->fan_div[nr]) << 4) & 0x70) | |
491 | : ((data->fan_div[nr]) & 0x07); | |
492 | w83792d_write_value(client, W83792D_REG_FAN_DIV[nr >> 1], | |
493 | fan_div_reg | tmp_fan_div); | |
494 | ||
495 | /* Restore fan_min */ | |
496 | data->fan_min[nr] = FAN_TO_REG(min, DIV_FROM_REG(data->fan_div[nr])); | |
497 | w83792d_write_value(client, W83792D_REG_FAN_MIN[nr], data->fan_min[nr]); | |
bed73082 | 498 | mutex_unlock(&data->update_lock); |
5563e27d RM |
499 | |
500 | return count; | |
501 | } | |
502 | ||
1f8dae31 YM |
503 | static struct sensor_device_attribute sda_fan_input[] = { |
504 | SENSOR_ATTR(fan1_input, S_IRUGO, show_fan, NULL, 1), | |
505 | SENSOR_ATTR(fan2_input, S_IRUGO, show_fan, NULL, 2), | |
506 | SENSOR_ATTR(fan3_input, S_IRUGO, show_fan, NULL, 3), | |
507 | SENSOR_ATTR(fan4_input, S_IRUGO, show_fan, NULL, 4), | |
508 | SENSOR_ATTR(fan5_input, S_IRUGO, show_fan, NULL, 5), | |
509 | SENSOR_ATTR(fan6_input, S_IRUGO, show_fan, NULL, 6), | |
510 | SENSOR_ATTR(fan7_input, S_IRUGO, show_fan, NULL, 7), | |
511 | }; | |
512 | static struct sensor_device_attribute sda_fan_min[] = { | |
513 | SENSOR_ATTR(fan1_min, S_IWUSR | S_IRUGO, show_fan_min, store_fan_min, 1), | |
514 | SENSOR_ATTR(fan2_min, S_IWUSR | S_IRUGO, show_fan_min, store_fan_min, 2), | |
515 | SENSOR_ATTR(fan3_min, S_IWUSR | S_IRUGO, show_fan_min, store_fan_min, 3), | |
516 | SENSOR_ATTR(fan4_min, S_IWUSR | S_IRUGO, show_fan_min, store_fan_min, 4), | |
517 | SENSOR_ATTR(fan5_min, S_IWUSR | S_IRUGO, show_fan_min, store_fan_min, 5), | |
518 | SENSOR_ATTR(fan6_min, S_IWUSR | S_IRUGO, show_fan_min, store_fan_min, 6), | |
519 | SENSOR_ATTR(fan7_min, S_IWUSR | S_IRUGO, show_fan_min, store_fan_min, 7), | |
520 | }; | |
521 | static struct sensor_device_attribute sda_fan_div[] = { | |
522 | SENSOR_ATTR(fan1_div, S_IWUSR | S_IRUGO, show_fan_div, store_fan_div, 1), | |
523 | SENSOR_ATTR(fan2_div, S_IWUSR | S_IRUGO, show_fan_div, store_fan_div, 2), | |
524 | SENSOR_ATTR(fan3_div, S_IWUSR | S_IRUGO, show_fan_div, store_fan_div, 3), | |
525 | SENSOR_ATTR(fan4_div, S_IWUSR | S_IRUGO, show_fan_div, store_fan_div, 4), | |
526 | SENSOR_ATTR(fan5_div, S_IWUSR | S_IRUGO, show_fan_div, store_fan_div, 5), | |
527 | SENSOR_ATTR(fan6_div, S_IWUSR | S_IRUGO, show_fan_div, store_fan_div, 6), | |
528 | SENSOR_ATTR(fan7_div, S_IWUSR | S_IRUGO, show_fan_div, store_fan_div, 7), | |
529 | }; | |
5563e27d RM |
530 | |
531 | ||
532 | /* read/write the temperature1, includes measured value and limits */ | |
533 | ||
534 | static ssize_t show_temp1(struct device *dev, struct device_attribute *attr, | |
535 | char *buf) | |
536 | { | |
537 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); | |
538 | int nr = sensor_attr->index; | |
539 | struct w83792d_data *data = w83792d_update_device(dev); | |
540 | return sprintf(buf, "%d\n", TEMP1_FROM_REG(data->temp1[nr])); | |
541 | } | |
542 | ||
543 | static ssize_t store_temp1(struct device *dev, struct device_attribute *attr, | |
544 | const char *buf, size_t count) | |
545 | { | |
546 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); | |
547 | int nr = sensor_attr->index; | |
548 | struct i2c_client *client = to_i2c_client(dev); | |
549 | struct w83792d_data *data = i2c_get_clientdata(client); | |
550 | s32 val; | |
551 | ||
552 | val = simple_strtol(buf, NULL, 10); | |
bed73082 | 553 | mutex_lock(&data->update_lock); |
5563e27d RM |
554 | data->temp1[nr] = TEMP1_TO_REG(val); |
555 | w83792d_write_value(client, W83792D_REG_TEMP1[nr], | |
556 | data->temp1[nr]); | |
bed73082 | 557 | mutex_unlock(&data->update_lock); |
5563e27d RM |
558 | |
559 | return count; | |
560 | } | |
561 | ||
5563e27d RM |
562 | /* read/write the temperature2-3, includes measured value and limits */ |
563 | ||
564 | static ssize_t show_temp23(struct device *dev, struct device_attribute *attr, | |
565 | char *buf) | |
566 | { | |
567 | struct sensor_device_attribute_2 *sensor_attr = to_sensor_dev_attr_2(attr); | |
568 | int nr = sensor_attr->nr; | |
569 | int index = sensor_attr->index; | |
570 | struct w83792d_data *data = w83792d_update_device(dev); | |
571 | return sprintf(buf,"%ld\n", | |
572 | (long)TEMP_ADD_FROM_REG(data->temp_add[nr][index], | |
573 | data->temp_add[nr][index+1])); | |
574 | } | |
575 | ||
576 | static ssize_t store_temp23(struct device *dev, struct device_attribute *attr, | |
577 | const char *buf, size_t count) | |
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 i2c_client *client = to_i2c_client(dev); | |
583 | struct w83792d_data *data = i2c_get_clientdata(client); | |
584 | s32 val; | |
585 | ||
586 | val = simple_strtol(buf, NULL, 10); | |
bed73082 | 587 | mutex_lock(&data->update_lock); |
5563e27d RM |
588 | data->temp_add[nr][index] = TEMP_ADD_TO_REG_HIGH(val); |
589 | data->temp_add[nr][index+1] = TEMP_ADD_TO_REG_LOW(val); | |
590 | w83792d_write_value(client, W83792D_REG_TEMP_ADD[nr][index], | |
591 | data->temp_add[nr][index]); | |
592 | w83792d_write_value(client, W83792D_REG_TEMP_ADD[nr][index+1], | |
593 | data->temp_add[nr][index+1]); | |
bed73082 | 594 | mutex_unlock(&data->update_lock); |
5563e27d RM |
595 | |
596 | return count; | |
597 | } | |
598 | ||
1f8dae31 YM |
599 | static struct sensor_device_attribute_2 sda_temp_input[] = { |
600 | SENSOR_ATTR_2(temp1_input, S_IRUGO, show_temp1, NULL, 0, 0), | |
601 | SENSOR_ATTR_2(temp2_input, S_IRUGO, show_temp23, NULL, 0, 0), | |
602 | SENSOR_ATTR_2(temp3_input, S_IRUGO, show_temp23, NULL, 1, 0), | |
603 | }; | |
5563e27d | 604 | |
1f8dae31 YM |
605 | static struct sensor_device_attribute_2 sda_temp_max[] = { |
606 | SENSOR_ATTR_2(temp1_max, S_IRUGO | S_IWUSR, show_temp1, store_temp1, 0, 1), | |
607 | SENSOR_ATTR_2(temp2_max, S_IRUGO | S_IWUSR, show_temp23, store_temp23, 0, 2), | |
608 | SENSOR_ATTR_2(temp3_max, S_IRUGO | S_IWUSR, show_temp23, store_temp23, 1, 2), | |
609 | }; | |
5563e27d | 610 | |
1f8dae31 YM |
611 | static struct sensor_device_attribute_2 sda_temp_max_hyst[] = { |
612 | SENSOR_ATTR_2(temp1_max_hyst, S_IRUGO | S_IWUSR, show_temp1, store_temp1, 0, 2), | |
613 | SENSOR_ATTR_2(temp2_max_hyst, S_IRUGO | S_IWUSR, show_temp23, store_temp23, 0, 4), | |
614 | SENSOR_ATTR_2(temp3_max_hyst, S_IRUGO | S_IWUSR, show_temp23, store_temp23, 1, 4), | |
615 | }; | |
5563e27d RM |
616 | |
617 | /* get reatime status of all sensors items: voltage, temp, fan */ | |
618 | static ssize_t | |
619 | show_alarms_reg(struct device *dev, struct device_attribute *attr, char *buf) | |
620 | { | |
621 | struct w83792d_data *data = w83792d_update_device(dev); | |
622 | return sprintf(buf, "%d\n", data->alarms); | |
623 | } | |
624 | ||
625 | static | |
626 | DEVICE_ATTR(alarms, S_IRUGO, show_alarms_reg, NULL); | |
5563e27d RM |
627 | |
628 | static ssize_t | |
629 | show_pwm(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; | |
634 | struct w83792d_data *data = w83792d_update_device(dev); | |
53e2761b | 635 | return sprintf(buf, "%d\n", (data->pwm[nr] & 0x0f) << 4); |
5563e27d RM |
636 | } |
637 | ||
638 | static ssize_t | |
639 | show_pwmenable(struct device *dev, struct device_attribute *attr, | |
640 | char *buf) | |
641 | { | |
642 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); | |
643 | int nr = sensor_attr->index - 1; | |
644 | struct w83792d_data *data = w83792d_update_device(dev); | |
645 | long pwm_enable_tmp = 1; | |
646 | ||
647 | switch (data->pwmenable[nr]) { | |
648 | case 0: | |
649 | pwm_enable_tmp = 1; /* manual mode */ | |
650 | break; | |
651 | case 1: | |
652 | pwm_enable_tmp = 3; /*thermal cruise/Smart Fan I */ | |
653 | break; | |
654 | case 2: | |
655 | pwm_enable_tmp = 2; /* Smart Fan II */ | |
656 | break; | |
657 | } | |
658 | ||
659 | return sprintf(buf, "%ld\n", pwm_enable_tmp); | |
660 | } | |
661 | ||
662 | static ssize_t | |
663 | store_pwm(struct device *dev, struct device_attribute *attr, | |
664 | const char *buf, size_t count) | |
665 | { | |
666 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); | |
53e2761b | 667 | int nr = sensor_attr->index; |
5563e27d RM |
668 | struct i2c_client *client = to_i2c_client(dev); |
669 | struct w83792d_data *data = i2c_get_clientdata(client); | |
53e2761b | 670 | u8 val = SENSORS_LIMIT(simple_strtoul(buf, NULL, 10), 0, 255) >> 4; |
5563e27d | 671 | |
53e2761b YM |
672 | mutex_lock(&data->update_lock); |
673 | val |= w83792d_read_value(client, W83792D_REG_PWM[nr]) & 0xf0; | |
674 | data->pwm[nr] = val; | |
5563e27d | 675 | w83792d_write_value(client, W83792D_REG_PWM[nr], data->pwm[nr]); |
53e2761b | 676 | mutex_unlock(&data->update_lock); |
5563e27d RM |
677 | |
678 | return count; | |
679 | } | |
680 | ||
681 | static ssize_t | |
682 | store_pwmenable(struct device *dev, struct device_attribute *attr, | |
683 | const char *buf, size_t count) | |
684 | { | |
685 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); | |
686 | int nr = sensor_attr->index - 1; | |
687 | struct i2c_client *client = to_i2c_client(dev); | |
688 | struct w83792d_data *data = i2c_get_clientdata(client); | |
689 | u32 val; | |
690 | u8 fan_cfg_tmp, cfg1_tmp, cfg2_tmp, cfg3_tmp, cfg4_tmp; | |
691 | ||
692 | val = simple_strtoul(buf, NULL, 10); | |
bed73082 YM |
693 | if (val < 1 || val > 3) |
694 | return -EINVAL; | |
695 | ||
696 | mutex_lock(&data->update_lock); | |
5563e27d RM |
697 | switch (val) { |
698 | case 1: | |
699 | data->pwmenable[nr] = 0; /* manual mode */ | |
700 | break; | |
701 | case 2: | |
702 | data->pwmenable[nr] = 2; /* Smart Fan II */ | |
703 | break; | |
704 | case 3: | |
705 | data->pwmenable[nr] = 1; /* thermal cruise/Smart Fan I */ | |
706 | break; | |
5563e27d RM |
707 | } |
708 | cfg1_tmp = data->pwmenable[0]; | |
709 | cfg2_tmp = (data->pwmenable[1]) << 2; | |
710 | cfg3_tmp = (data->pwmenable[2]) << 4; | |
711 | cfg4_tmp = w83792d_read_value(client,W83792D_REG_FAN_CFG) & 0xc0; | |
712 | fan_cfg_tmp = ((cfg4_tmp | cfg3_tmp) | cfg2_tmp) | cfg1_tmp; | |
713 | w83792d_write_value(client, W83792D_REG_FAN_CFG, fan_cfg_tmp); | |
bed73082 | 714 | mutex_unlock(&data->update_lock); |
5563e27d RM |
715 | |
716 | return count; | |
717 | } | |
718 | ||
1f8dae31 | 719 | static struct sensor_device_attribute sda_pwm[] = { |
53e2761b YM |
720 | SENSOR_ATTR(pwm1, S_IWUSR | S_IRUGO, show_pwm, store_pwm, 0), |
721 | SENSOR_ATTR(pwm2, S_IWUSR | S_IRUGO, show_pwm, store_pwm, 1), | |
722 | SENSOR_ATTR(pwm3, S_IWUSR | S_IRUGO, show_pwm, store_pwm, 2), | |
1f8dae31 YM |
723 | }; |
724 | static struct sensor_device_attribute sda_pwm_enable[] = { | |
725 | SENSOR_ATTR(pwm1_enable, S_IWUSR | S_IRUGO, | |
726 | show_pwmenable, store_pwmenable, 1), | |
727 | SENSOR_ATTR(pwm2_enable, S_IWUSR | S_IRUGO, | |
728 | show_pwmenable, store_pwmenable, 2), | |
729 | SENSOR_ATTR(pwm3_enable, S_IWUSR | S_IRUGO, | |
730 | show_pwmenable, store_pwmenable, 3), | |
731 | }; | |
5563e27d RM |
732 | |
733 | ||
734 | static ssize_t | |
735 | show_pwm_mode(struct device *dev, struct device_attribute *attr, | |
736 | char *buf) | |
737 | { | |
738 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); | |
739 | int nr = sensor_attr->index; | |
740 | struct w83792d_data *data = w83792d_update_device(dev); | |
53e2761b | 741 | return sprintf(buf, "%d\n", data->pwm[nr] >> 7); |
5563e27d RM |
742 | } |
743 | ||
744 | static ssize_t | |
745 | store_pwm_mode(struct device *dev, struct device_attribute *attr, | |
746 | const char *buf, size_t count) | |
747 | { | |
748 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); | |
53e2761b | 749 | int nr = sensor_attr->index; |
5563e27d RM |
750 | struct i2c_client *client = to_i2c_client(dev); |
751 | struct w83792d_data *data = i2c_get_clientdata(client); | |
752 | u32 val; | |
5563e27d RM |
753 | |
754 | val = simple_strtoul(buf, NULL, 10); | |
53e2761b YM |
755 | if (val != 0 && val != 1) |
756 | return -EINVAL; | |
757 | ||
758 | mutex_lock(&data->update_lock); | |
759 | data->pwm[nr] = w83792d_read_value(client, W83792D_REG_PWM[nr]); | |
760 | if (val) { /* PWM mode */ | |
761 | data->pwm[nr] |= 0x80; | |
762 | } else { /* DC mode */ | |
763 | data->pwm[nr] &= 0x7f; | |
764 | } | |
765 | w83792d_write_value(client, W83792D_REG_PWM[nr], data->pwm[nr]); | |
766 | mutex_unlock(&data->update_lock); | |
5563e27d RM |
767 | |
768 | return count; | |
769 | } | |
770 | ||
1f8dae31 YM |
771 | static struct sensor_device_attribute sda_pwm_mode[] = { |
772 | SENSOR_ATTR(pwm1_mode, S_IWUSR | S_IRUGO, | |
53e2761b | 773 | show_pwm_mode, store_pwm_mode, 0), |
1f8dae31 | 774 | SENSOR_ATTR(pwm2_mode, S_IWUSR | S_IRUGO, |
53e2761b | 775 | show_pwm_mode, store_pwm_mode, 1), |
1f8dae31 | 776 | SENSOR_ATTR(pwm3_mode, S_IWUSR | S_IRUGO, |
53e2761b | 777 | show_pwm_mode, store_pwm_mode, 2), |
1f8dae31 | 778 | }; |
5563e27d RM |
779 | |
780 | ||
781 | static ssize_t | |
782 | show_regs_chassis(struct device *dev, struct device_attribute *attr, | |
783 | char *buf) | |
784 | { | |
785 | struct w83792d_data *data = w83792d_update_device(dev); | |
786 | return sprintf(buf, "%d\n", data->chassis); | |
787 | } | |
788 | ||
789 | static DEVICE_ATTR(chassis, S_IRUGO, show_regs_chassis, NULL); | |
790 | ||
5563e27d RM |
791 | static ssize_t |
792 | show_chassis_clear(struct device *dev, struct device_attribute *attr, char *buf) | |
793 | { | |
794 | struct w83792d_data *data = w83792d_update_device(dev); | |
795 | return sprintf(buf, "%d\n", data->chassis_clear); | |
796 | } | |
797 | ||
798 | static ssize_t | |
799 | store_chassis_clear(struct device *dev, struct device_attribute *attr, | |
800 | const char *buf, size_t count) | |
801 | { | |
802 | struct i2c_client *client = to_i2c_client(dev); | |
803 | struct w83792d_data *data = i2c_get_clientdata(client); | |
804 | u32 val; | |
805 | u8 temp1 = 0, temp2 = 0; | |
806 | ||
807 | val = simple_strtoul(buf, NULL, 10); | |
bed73082 | 808 | mutex_lock(&data->update_lock); |
5563e27d RM |
809 | data->chassis_clear = SENSORS_LIMIT(val, 0 ,1); |
810 | temp1 = ((data->chassis_clear) << 7) & 0x80; | |
811 | temp2 = w83792d_read_value(client, | |
812 | W83792D_REG_CHASSIS_CLR) & 0x7f; | |
813 | w83792d_write_value(client, W83792D_REG_CHASSIS_CLR, temp1 | temp2); | |
bed73082 | 814 | mutex_unlock(&data->update_lock); |
5563e27d RM |
815 | |
816 | return count; | |
817 | } | |
818 | ||
819 | static DEVICE_ATTR(chassis_clear, S_IRUGO | S_IWUSR, | |
820 | show_chassis_clear, store_chassis_clear); | |
821 | ||
5563e27d RM |
822 | /* For Smart Fan I / Thermal Cruise */ |
823 | static ssize_t | |
824 | show_thermal_cruise(struct device *dev, struct device_attribute *attr, | |
825 | char *buf) | |
826 | { | |
827 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); | |
828 | int nr = sensor_attr->index; | |
829 | struct w83792d_data *data = w83792d_update_device(dev); | |
830 | return sprintf(buf, "%ld\n", (long)data->thermal_cruise[nr-1]); | |
831 | } | |
832 | ||
833 | static ssize_t | |
834 | store_thermal_cruise(struct device *dev, struct device_attribute *attr, | |
835 | const char *buf, size_t count) | |
836 | { | |
837 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); | |
838 | int nr = sensor_attr->index - 1; | |
839 | struct i2c_client *client = to_i2c_client(dev); | |
840 | struct w83792d_data *data = i2c_get_clientdata(client); | |
841 | u32 val; | |
842 | u8 target_tmp=0, target_mask=0; | |
843 | ||
844 | val = simple_strtoul(buf, NULL, 10); | |
845 | target_tmp = val; | |
846 | target_tmp = target_tmp & 0x7f; | |
bed73082 | 847 | mutex_lock(&data->update_lock); |
5563e27d RM |
848 | target_mask = w83792d_read_value(client, W83792D_REG_THERMAL[nr]) & 0x80; |
849 | data->thermal_cruise[nr] = SENSORS_LIMIT(target_tmp, 0, 255); | |
850 | w83792d_write_value(client, W83792D_REG_THERMAL[nr], | |
851 | (data->thermal_cruise[nr]) | target_mask); | |
bed73082 | 852 | mutex_unlock(&data->update_lock); |
5563e27d RM |
853 | |
854 | return count; | |
855 | } | |
856 | ||
1f8dae31 YM |
857 | static struct sensor_device_attribute sda_thermal_cruise[] = { |
858 | SENSOR_ATTR(thermal_cruise1, S_IWUSR | S_IRUGO, | |
859 | show_thermal_cruise, store_thermal_cruise, 1), | |
860 | SENSOR_ATTR(thermal_cruise2, S_IWUSR | S_IRUGO, | |
861 | show_thermal_cruise, store_thermal_cruise, 2), | |
862 | SENSOR_ATTR(thermal_cruise3, S_IWUSR | S_IRUGO, | |
863 | show_thermal_cruise, store_thermal_cruise, 3), | |
864 | }; | |
5563e27d RM |
865 | |
866 | /* For Smart Fan I/Thermal Cruise and Smart Fan II */ | |
867 | static ssize_t | |
868 | show_tolerance(struct device *dev, struct device_attribute *attr, | |
869 | char *buf) | |
870 | { | |
871 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); | |
872 | int nr = sensor_attr->index; | |
873 | struct w83792d_data *data = w83792d_update_device(dev); | |
874 | return sprintf(buf, "%ld\n", (long)data->tolerance[nr-1]); | |
875 | } | |
876 | ||
877 | static ssize_t | |
878 | store_tolerance(struct device *dev, struct device_attribute *attr, | |
879 | const char *buf, size_t count) | |
880 | { | |
881 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); | |
882 | int nr = sensor_attr->index - 1; | |
883 | struct i2c_client *client = to_i2c_client(dev); | |
884 | struct w83792d_data *data = i2c_get_clientdata(client); | |
885 | u32 val; | |
886 | u8 tol_tmp, tol_mask; | |
887 | ||
888 | val = simple_strtoul(buf, NULL, 10); | |
bed73082 | 889 | mutex_lock(&data->update_lock); |
5563e27d RM |
890 | tol_mask = w83792d_read_value(client, |
891 | W83792D_REG_TOLERANCE[nr]) & ((nr == 1) ? 0x0f : 0xf0); | |
892 | tol_tmp = SENSORS_LIMIT(val, 0, 15); | |
893 | tol_tmp &= 0x0f; | |
894 | data->tolerance[nr] = tol_tmp; | |
895 | if (nr == 1) { | |
896 | tol_tmp <<= 4; | |
897 | } | |
898 | w83792d_write_value(client, W83792D_REG_TOLERANCE[nr], | |
899 | tol_mask | tol_tmp); | |
bed73082 | 900 | mutex_unlock(&data->update_lock); |
5563e27d RM |
901 | |
902 | return count; | |
903 | } | |
904 | ||
1f8dae31 YM |
905 | static struct sensor_device_attribute sda_tolerance[] = { |
906 | SENSOR_ATTR(tolerance1, S_IWUSR | S_IRUGO, | |
907 | show_tolerance, store_tolerance, 1), | |
908 | SENSOR_ATTR(tolerance2, S_IWUSR | S_IRUGO, | |
909 | show_tolerance, store_tolerance, 2), | |
910 | SENSOR_ATTR(tolerance3, S_IWUSR | S_IRUGO, | |
911 | show_tolerance, store_tolerance, 3), | |
912 | }; | |
5563e27d RM |
913 | |
914 | /* For Smart Fan II */ | |
915 | static ssize_t | |
916 | show_sf2_point(struct device *dev, struct device_attribute *attr, | |
917 | char *buf) | |
918 | { | |
919 | struct sensor_device_attribute_2 *sensor_attr = to_sensor_dev_attr_2(attr); | |
920 | int nr = sensor_attr->nr; | |
921 | int index = sensor_attr->index; | |
922 | struct w83792d_data *data = w83792d_update_device(dev); | |
923 | return sprintf(buf, "%ld\n", (long)data->sf2_points[index-1][nr-1]); | |
924 | } | |
925 | ||
926 | static ssize_t | |
927 | store_sf2_point(struct device *dev, struct device_attribute *attr, | |
928 | const char *buf, size_t count) | |
929 | { | |
930 | struct sensor_device_attribute_2 *sensor_attr = to_sensor_dev_attr_2(attr); | |
931 | int nr = sensor_attr->nr - 1; | |
932 | int index = sensor_attr->index - 1; | |
933 | struct i2c_client *client = to_i2c_client(dev); | |
934 | struct w83792d_data *data = i2c_get_clientdata(client); | |
935 | u32 val; | |
936 | u8 mask_tmp = 0; | |
937 | ||
938 | val = simple_strtoul(buf, NULL, 10); | |
bed73082 | 939 | mutex_lock(&data->update_lock); |
5563e27d RM |
940 | data->sf2_points[index][nr] = SENSORS_LIMIT(val, 0, 127); |
941 | mask_tmp = w83792d_read_value(client, | |
942 | W83792D_REG_POINTS[index][nr]) & 0x80; | |
943 | w83792d_write_value(client, W83792D_REG_POINTS[index][nr], | |
944 | mask_tmp|data->sf2_points[index][nr]); | |
bed73082 | 945 | mutex_unlock(&data->update_lock); |
5563e27d RM |
946 | |
947 | return count; | |
948 | } | |
949 | ||
1f8dae31 YM |
950 | static struct sensor_device_attribute_2 sda_sf2_point[] = { |
951 | SENSOR_ATTR_2(sf2_point1_fan1, S_IRUGO | S_IWUSR, | |
952 | show_sf2_point, store_sf2_point, 1, 1), | |
953 | SENSOR_ATTR_2(sf2_point2_fan1, S_IRUGO | S_IWUSR, | |
954 | show_sf2_point, store_sf2_point, 2, 1), | |
955 | SENSOR_ATTR_2(sf2_point3_fan1, S_IRUGO | S_IWUSR, | |
956 | show_sf2_point, store_sf2_point, 3, 1), | |
957 | SENSOR_ATTR_2(sf2_point4_fan1, S_IRUGO | S_IWUSR, | |
958 | show_sf2_point, store_sf2_point, 4, 1), | |
959 | ||
960 | SENSOR_ATTR_2(sf2_point1_fan2, S_IRUGO | S_IWUSR, | |
961 | show_sf2_point, store_sf2_point, 1, 2), | |
962 | SENSOR_ATTR_2(sf2_point2_fan2, S_IRUGO | S_IWUSR, | |
963 | show_sf2_point, store_sf2_point, 2, 2), | |
964 | SENSOR_ATTR_2(sf2_point3_fan2, S_IRUGO | S_IWUSR, | |
965 | show_sf2_point, store_sf2_point, 3, 2), | |
966 | SENSOR_ATTR_2(sf2_point4_fan2, S_IRUGO | S_IWUSR, | |
967 | show_sf2_point, store_sf2_point, 4, 2), | |
968 | ||
969 | SENSOR_ATTR_2(sf2_point1_fan3, S_IRUGO | S_IWUSR, | |
970 | show_sf2_point, store_sf2_point, 1, 3), | |
971 | SENSOR_ATTR_2(sf2_point2_fan3, S_IRUGO | S_IWUSR, | |
972 | show_sf2_point, store_sf2_point, 2, 3), | |
973 | SENSOR_ATTR_2(sf2_point3_fan3, S_IRUGO | S_IWUSR, | |
974 | show_sf2_point, store_sf2_point, 3, 3), | |
975 | SENSOR_ATTR_2(sf2_point4_fan3, S_IRUGO | S_IWUSR, | |
976 | show_sf2_point, store_sf2_point, 4, 3), | |
977 | }; | |
5563e27d RM |
978 | |
979 | ||
980 | static ssize_t | |
981 | show_sf2_level(struct device *dev, struct device_attribute *attr, | |
982 | char *buf) | |
983 | { | |
984 | struct sensor_device_attribute_2 *sensor_attr = to_sensor_dev_attr_2(attr); | |
985 | int nr = sensor_attr->nr; | |
986 | int index = sensor_attr->index; | |
987 | struct w83792d_data *data = w83792d_update_device(dev); | |
988 | return sprintf(buf, "%d\n", | |
989 | (((data->sf2_levels[index-1][nr]) * 100) / 15)); | |
990 | } | |
991 | ||
992 | static ssize_t | |
993 | store_sf2_level(struct device *dev, struct device_attribute *attr, | |
994 | const char *buf, size_t count) | |
995 | { | |
996 | struct sensor_device_attribute_2 *sensor_attr = to_sensor_dev_attr_2(attr); | |
997 | int nr = sensor_attr->nr; | |
998 | int index = sensor_attr->index - 1; | |
999 | struct i2c_client *client = to_i2c_client(dev); | |
1000 | struct w83792d_data *data = i2c_get_clientdata(client); | |
1001 | u32 val; | |
1002 | u8 mask_tmp=0, level_tmp=0; | |
1003 | ||
1004 | val = simple_strtoul(buf, NULL, 10); | |
bed73082 | 1005 | mutex_lock(&data->update_lock); |
5563e27d RM |
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); | |
bed73082 | 1015 | mutex_unlock(&data->update_lock); |
5563e27d RM |
1016 | |
1017 | return count; | |
1018 | } | |
1019 | ||
1f8dae31 YM |
1020 | static struct sensor_device_attribute_2 sda_sf2_level[] = { |
1021 | SENSOR_ATTR_2(sf2_level1_fan1, S_IRUGO | S_IWUSR, | |
1022 | show_sf2_level, store_sf2_level, 1, 1), | |
1023 | SENSOR_ATTR_2(sf2_level2_fan1, S_IRUGO | S_IWUSR, | |
1024 | show_sf2_level, store_sf2_level, 2, 1), | |
1025 | SENSOR_ATTR_2(sf2_level3_fan1, S_IRUGO | S_IWUSR, | |
1026 | show_sf2_level, store_sf2_level, 3, 1), | |
1027 | ||
1028 | SENSOR_ATTR_2(sf2_level1_fan2, S_IRUGO | S_IWUSR, | |
1029 | show_sf2_level, store_sf2_level, 1, 2), | |
1030 | SENSOR_ATTR_2(sf2_level2_fan2, S_IRUGO | S_IWUSR, | |
1031 | show_sf2_level, store_sf2_level, 2, 2), | |
1032 | SENSOR_ATTR_2(sf2_level3_fan2, S_IRUGO | S_IWUSR, | |
1033 | show_sf2_level, store_sf2_level, 3, 2), | |
1034 | ||
1035 | SENSOR_ATTR_2(sf2_level1_fan3, S_IRUGO | S_IWUSR, | |
1036 | show_sf2_level, store_sf2_level, 1, 3), | |
1037 | SENSOR_ATTR_2(sf2_level2_fan3, S_IRUGO | S_IWUSR, | |
1038 | show_sf2_level, store_sf2_level, 2, 3), | |
1039 | SENSOR_ATTR_2(sf2_level3_fan3, S_IRUGO | S_IWUSR, | |
1040 | show_sf2_level, store_sf2_level, 3, 3), | |
1041 | }; | |
5563e27d RM |
1042 | |
1043 | /* This function is called when: | |
1044 | * w83792d_driver is inserted (when this module is loaded), for each | |
1045 | available adapter | |
1046 | * when a new adapter is inserted (and w83792d_driver is still present) */ | |
1047 | static int | |
1048 | w83792d_attach_adapter(struct i2c_adapter *adapter) | |
1049 | { | |
1050 | if (!(adapter->class & I2C_CLASS_HWMON)) | |
1051 | return 0; | |
2ed2dc3c | 1052 | return i2c_probe(adapter, &addr_data, w83792d_detect); |
5563e27d RM |
1053 | } |
1054 | ||
1055 | ||
1056 | static int | |
1057 | w83792d_create_subclient(struct i2c_adapter *adapter, | |
1058 | struct i2c_client *new_client, int addr, | |
1059 | struct i2c_client **sub_cli) | |
1060 | { | |
1061 | int err; | |
1062 | struct i2c_client *sub_client; | |
1063 | ||
ba9c2e8d | 1064 | (*sub_cli) = sub_client = kzalloc(sizeof(struct i2c_client), GFP_KERNEL); |
5563e27d RM |
1065 | if (!(sub_client)) { |
1066 | return -ENOMEM; | |
1067 | } | |
5563e27d RM |
1068 | sub_client->addr = 0x48 + addr; |
1069 | i2c_set_clientdata(sub_client, NULL); | |
1070 | sub_client->adapter = adapter; | |
1071 | sub_client->driver = &w83792d_driver; | |
1072 | sub_client->flags = 0; | |
1073 | strlcpy(sub_client->name, "w83792d subclient", I2C_NAME_SIZE); | |
1074 | if ((err = i2c_attach_client(sub_client))) { | |
1075 | dev_err(&new_client->dev, "subclient registration " | |
1076 | "at address 0x%x failed\n", sub_client->addr); | |
1077 | kfree(sub_client); | |
1078 | return err; | |
1079 | } | |
1080 | return 0; | |
1081 | } | |
1082 | ||
1083 | ||
1084 | static int | |
1085 | w83792d_detect_subclients(struct i2c_adapter *adapter, int address, int kind, | |
1086 | struct i2c_client *new_client) | |
1087 | { | |
1088 | int i, id, err; | |
1089 | u8 val; | |
1090 | struct w83792d_data *data = i2c_get_clientdata(new_client); | |
1091 | ||
1092 | id = i2c_adapter_id(adapter); | |
1093 | if (force_subclients[0] == id && force_subclients[1] == address) { | |
1094 | for (i = 2; i <= 3; i++) { | |
1095 | if (force_subclients[i] < 0x48 || | |
1096 | force_subclients[i] > 0x4f) { | |
1097 | dev_err(&new_client->dev, "invalid subclient " | |
1098 | "address %d; must be 0x48-0x4f\n", | |
1099 | force_subclients[i]); | |
1100 | err = -ENODEV; | |
1101 | goto ERROR_SC_0; | |
1102 | } | |
1103 | } | |
1104 | w83792d_write_value(new_client, W83792D_REG_I2C_SUBADDR, | |
1105 | (force_subclients[2] & 0x07) | | |
1106 | ((force_subclients[3] & 0x07) << 4)); | |
1107 | } | |
1108 | ||
1109 | val = w83792d_read_value(new_client, W83792D_REG_I2C_SUBADDR); | |
1110 | if (!(val & 0x08)) { | |
1111 | err = w83792d_create_subclient(adapter, new_client, val & 0x7, | |
1112 | &data->lm75[0]); | |
1113 | if (err < 0) | |
1114 | goto ERROR_SC_0; | |
1115 | } | |
1116 | if (!(val & 0x80)) { | |
1117 | if ((data->lm75[0] != NULL) && | |
1118 | ((val & 0x7) == ((val >> 4) & 0x7))) { | |
1119 | dev_err(&new_client->dev, "duplicate addresses 0x%x, " | |
1120 | "use force_subclient\n", data->lm75[0]->addr); | |
1121 | err = -ENODEV; | |
1122 | goto ERROR_SC_1; | |
1123 | } | |
1124 | err = w83792d_create_subclient(adapter, new_client, | |
1125 | (val >> 4) & 0x7, &data->lm75[1]); | |
1126 | if (err < 0) | |
1127 | goto ERROR_SC_1; | |
1128 | } | |
1129 | ||
1130 | return 0; | |
1131 | ||
1132 | /* Undo inits in case of errors */ | |
1133 | ||
1134 | ERROR_SC_1: | |
1135 | if (data->lm75[0] != NULL) { | |
1136 | i2c_detach_client(data->lm75[0]); | |
1137 | kfree(data->lm75[0]); | |
1138 | } | |
1139 | ERROR_SC_0: | |
1140 | return err; | |
1141 | } | |
1142 | ||
1f8dae31 YM |
1143 | static void device_create_file_fan(struct device *dev, int i) |
1144 | { | |
1145 | device_create_file(dev, &sda_fan_input[i].dev_attr); | |
1146 | device_create_file(dev, &sda_fan_div[i].dev_attr); | |
1147 | device_create_file(dev, &sda_fan_min[i].dev_attr); | |
1148 | } | |
5563e27d RM |
1149 | |
1150 | static int | |
1151 | w83792d_detect(struct i2c_adapter *adapter, int address, int kind) | |
1152 | { | |
1153 | int i = 0, val1 = 0, val2; | |
1f8dae31 YM |
1154 | struct i2c_client *client; |
1155 | struct device *dev; | |
5563e27d RM |
1156 | struct w83792d_data *data; |
1157 | int err = 0; | |
1158 | const char *client_name = ""; | |
1159 | ||
1160 | if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) { | |
1161 | goto ERROR0; | |
1162 | } | |
1163 | ||
1164 | /* OK. For now, we presume we have a valid client. We now create the | |
1165 | client structure, even though we cannot fill it completely yet. | |
1166 | But it allows us to access w83792d_{read,write}_value. */ | |
1167 | ||
ba9c2e8d | 1168 | if (!(data = kzalloc(sizeof(struct w83792d_data), GFP_KERNEL))) { |
5563e27d RM |
1169 | err = -ENOMEM; |
1170 | goto ERROR0; | |
1171 | } | |
5563e27d | 1172 | |
1f8dae31 YM |
1173 | client = &data->client; |
1174 | dev = &client->dev; | |
1175 | i2c_set_clientdata(client, data); | |
1176 | client->addr = address; | |
1177 | client->adapter = adapter; | |
1178 | client->driver = &w83792d_driver; | |
1179 | client->flags = 0; | |
5563e27d RM |
1180 | |
1181 | /* Now, we do the remaining detection. */ | |
1182 | ||
1183 | /* The w83792d may be stuck in some other bank than bank 0. This may | |
1184 | make reading other information impossible. Specify a force=... or | |
1185 | force_*=... parameter, and the Winbond will be reset to the right | |
1186 | bank. */ | |
1187 | if (kind < 0) { | |
1f8dae31 | 1188 | if (w83792d_read_value(client, W83792D_REG_CONFIG) & 0x80) { |
ac987c1f | 1189 | dev_dbg(dev, "Detection failed at step 1\n"); |
5563e27d RM |
1190 | goto ERROR1; |
1191 | } | |
1f8dae31 YM |
1192 | val1 = w83792d_read_value(client, W83792D_REG_BANK); |
1193 | val2 = w83792d_read_value(client, W83792D_REG_CHIPMAN); | |
5563e27d RM |
1194 | /* Check for Winbond ID if in bank 0 */ |
1195 | if (!(val1 & 0x07)) { /* is Bank0 */ | |
1196 | if (((!(val1 & 0x80)) && (val2 != 0xa3)) || | |
1197 | ((val1 & 0x80) && (val2 != 0x5c))) { | |
ac987c1f | 1198 | dev_dbg(dev, "Detection failed at step 2\n"); |
5563e27d RM |
1199 | goto ERROR1; |
1200 | } | |
1201 | } | |
1202 | /* If Winbond chip, address of chip and W83792D_REG_I2C_ADDR | |
1203 | should match */ | |
1f8dae31 | 1204 | if (w83792d_read_value(client, |
5563e27d | 1205 | W83792D_REG_I2C_ADDR) != address) { |
ac987c1f | 1206 | dev_dbg(dev, "Detection failed at step 3\n"); |
5563e27d RM |
1207 | goto ERROR1; |
1208 | } | |
1209 | } | |
1210 | ||
1211 | /* We have either had a force parameter, or we have already detected the | |
1212 | Winbond. Put it now into bank 0 and Vendor ID High Byte */ | |
1f8dae31 | 1213 | w83792d_write_value(client, |
5563e27d | 1214 | W83792D_REG_BANK, |
1f8dae31 | 1215 | (w83792d_read_value(client, |
5563e27d RM |
1216 | W83792D_REG_BANK) & 0x78) | 0x80); |
1217 | ||
1218 | /* Determine the chip type. */ | |
1219 | if (kind <= 0) { | |
1220 | /* get vendor ID */ | |
1f8dae31 | 1221 | val2 = w83792d_read_value(client, W83792D_REG_CHIPMAN); |
5563e27d RM |
1222 | if (val2 != 0x5c) { /* the vendor is NOT Winbond */ |
1223 | goto ERROR1; | |
1224 | } | |
1f8dae31 | 1225 | val1 = w83792d_read_value(client, W83792D_REG_WCHIPID); |
c9152dea | 1226 | if (val1 == 0x7a) { |
5563e27d RM |
1227 | kind = w83792d; |
1228 | } else { | |
1229 | if (kind == 0) | |
1f8dae31 | 1230 | dev_warn(dev, |
5563e27d RM |
1231 | "w83792d: Ignoring 'force' parameter for" |
1232 | " unknown chip at adapter %d, address" | |
1233 | " 0x%02x\n", i2c_adapter_id(adapter), | |
1234 | address); | |
1235 | goto ERROR1; | |
1236 | } | |
1237 | } | |
1238 | ||
1239 | if (kind == w83792d) { | |
1240 | client_name = "w83792d"; | |
1241 | } else { | |
1f8dae31 | 1242 | dev_err(dev, "w83792d: Internal error: unknown" |
5563e27d RM |
1243 | " kind (%d)?!?", kind); |
1244 | goto ERROR1; | |
1245 | } | |
1246 | ||
1247 | /* Fill in the remaining client fields and put into the global list */ | |
1f8dae31 | 1248 | strlcpy(client->name, client_name, I2C_NAME_SIZE); |
5563e27d RM |
1249 | data->type = kind; |
1250 | ||
1251 | data->valid = 0; | |
9a61bf63 | 1252 | mutex_init(&data->update_lock); |
5563e27d RM |
1253 | |
1254 | /* Tell the I2C layer a new client has arrived */ | |
1f8dae31 | 1255 | if ((err = i2c_attach_client(client))) |
5563e27d RM |
1256 | goto ERROR1; |
1257 | ||
1258 | if ((err = w83792d_detect_subclients(adapter, address, | |
1f8dae31 | 1259 | kind, client))) |
5563e27d RM |
1260 | goto ERROR2; |
1261 | ||
1262 | /* Initialize the chip */ | |
1f8dae31 | 1263 | w83792d_init_client(client); |
5563e27d RM |
1264 | |
1265 | /* A few vars need to be filled upon startup */ | |
96320519 | 1266 | for (i = 0; i < 7; i++) { |
1f8dae31 | 1267 | data->fan_min[i] = w83792d_read_value(client, |
5563e27d RM |
1268 | W83792D_REG_FAN_MIN[i]); |
1269 | } | |
1270 | ||
1271 | /* Register sysfs hooks */ | |
1f8dae31 | 1272 | data->class_dev = hwmon_device_register(dev); |
ce785ab4 RM |
1273 | if (IS_ERR(data->class_dev)) { |
1274 | err = PTR_ERR(data->class_dev); | |
1275 | goto ERROR3; | |
1276 | } | |
1f8dae31 YM |
1277 | for (i = 0; i < 9; i++) { |
1278 | device_create_file(dev, &sda_in_input[i].dev_attr); | |
1279 | device_create_file(dev, &sda_in_max[i].dev_attr); | |
1280 | device_create_file(dev, &sda_in_min[i].dev_attr); | |
1281 | } | |
1282 | for (i = 0; i < 3; i++) | |
1283 | device_create_file_fan(dev, i); | |
96320519 JD |
1284 | |
1285 | /* Read GPIO enable register to check if pins for fan 4,5 are used as | |
1286 | GPIO */ | |
1f8dae31 | 1287 | val1 = w83792d_read_value(client, W83792D_REG_GPIO_EN); |
96320519 | 1288 | if (!(val1 & 0x40)) |
1f8dae31 | 1289 | device_create_file_fan(dev, 3); |
96320519 | 1290 | if (!(val1 & 0x20)) |
1f8dae31 | 1291 | device_create_file_fan(dev, 4); |
96320519 | 1292 | |
1f8dae31 | 1293 | val1 = w83792d_read_value(client, W83792D_REG_PIN); |
96320519 | 1294 | if (val1 & 0x40) |
1f8dae31 | 1295 | device_create_file_fan(dev, 5); |
96320519 | 1296 | if (val1 & 0x04) |
1f8dae31 YM |
1297 | device_create_file_fan(dev, 6); |
1298 | ||
1299 | for (i = 0; i < 3; i++) { | |
1300 | device_create_file(dev, &sda_temp_input[i].dev_attr); | |
1301 | device_create_file(dev, &sda_temp_max[i].dev_attr); | |
1302 | device_create_file(dev, &sda_temp_max_hyst[i].dev_attr); | |
1303 | device_create_file(dev, &sda_thermal_cruise[i].dev_attr); | |
1304 | device_create_file(dev, &sda_tolerance[i].dev_attr); | |
1305 | } | |
1306 | ||
1f8dae31 YM |
1307 | for (i = 0; i < ARRAY_SIZE(sda_pwm); i++) { |
1308 | device_create_file(dev, &sda_pwm[i].dev_attr); | |
1309 | device_create_file(dev, &sda_pwm_enable[i].dev_attr); | |
1310 | device_create_file(dev, &sda_pwm_mode[i].dev_attr); | |
1311 | } | |
1312 | ||
93766d2d JD |
1313 | device_create_file(dev, &dev_attr_alarms); |
1314 | device_create_file(dev, &dev_attr_chassis); | |
1315 | device_create_file(dev, &dev_attr_chassis_clear); | |
1f8dae31 YM |
1316 | |
1317 | for (i = 0; i < ARRAY_SIZE(sda_sf2_point); i++) | |
1318 | device_create_file(dev, &sda_sf2_point[i].dev_attr); | |
1319 | ||
1320 | for (i = 0; i < ARRAY_SIZE(sda_sf2_level); i++) | |
1321 | device_create_file(dev, &sda_sf2_level[i].dev_attr); | |
5563e27d RM |
1322 | |
1323 | return 0; | |
1324 | ||
ce785ab4 RM |
1325 | ERROR3: |
1326 | if (data->lm75[0] != NULL) { | |
1327 | i2c_detach_client(data->lm75[0]); | |
1328 | kfree(data->lm75[0]); | |
1329 | } | |
1330 | if (data->lm75[1] != NULL) { | |
1331 | i2c_detach_client(data->lm75[1]); | |
1332 | kfree(data->lm75[1]); | |
1333 | } | |
5563e27d | 1334 | ERROR2: |
1f8dae31 | 1335 | i2c_detach_client(client); |
5563e27d RM |
1336 | ERROR1: |
1337 | kfree(data); | |
1338 | ERROR0: | |
1339 | return err; | |
1340 | } | |
1341 | ||
1342 | static int | |
1343 | w83792d_detach_client(struct i2c_client *client) | |
1344 | { | |
ce785ab4 | 1345 | struct w83792d_data *data = i2c_get_clientdata(client); |
5563e27d RM |
1346 | int err; |
1347 | ||
ce785ab4 RM |
1348 | /* main client */ |
1349 | if (data) | |
1350 | hwmon_device_unregister(data->class_dev); | |
1351 | ||
7bef5594 | 1352 | if ((err = i2c_detach_client(client))) |
5563e27d | 1353 | return err; |
5563e27d | 1354 | |
ce785ab4 RM |
1355 | /* main client */ |
1356 | if (data) | |
1357 | kfree(data); | |
1358 | /* subclient */ | |
1359 | else | |
5563e27d | 1360 | kfree(client); |
5563e27d RM |
1361 | |
1362 | return 0; | |
1363 | } | |
1364 | ||
5563e27d RM |
1365 | static void |
1366 | w83792d_init_client(struct i2c_client *client) | |
1367 | { | |
1368 | u8 temp2_cfg, temp3_cfg, vid_in_b; | |
1369 | ||
1370 | if (init) { | |
1371 | w83792d_write_value(client, W83792D_REG_CONFIG, 0x80); | |
1372 | } | |
1373 | /* Clear the bit6 of W83792D_REG_VID_IN_B(set it into 0): | |
1374 | W83792D_REG_VID_IN_B bit6 = 0: the high/low limit of | |
1375 | vin0/vin1 can be modified by user; | |
1376 | W83792D_REG_VID_IN_B bit6 = 1: the high/low limit of | |
1377 | vin0/vin1 auto-updated, can NOT be modified by user. */ | |
1378 | vid_in_b = w83792d_read_value(client, W83792D_REG_VID_IN_B); | |
1379 | w83792d_write_value(client, W83792D_REG_VID_IN_B, | |
1380 | vid_in_b & 0xbf); | |
1381 | ||
1382 | temp2_cfg = w83792d_read_value(client, W83792D_REG_TEMP2_CONFIG); | |
1383 | temp3_cfg = w83792d_read_value(client, W83792D_REG_TEMP3_CONFIG); | |
1384 | w83792d_write_value(client, W83792D_REG_TEMP2_CONFIG, | |
1385 | temp2_cfg & 0xe6); | |
1386 | w83792d_write_value(client, W83792D_REG_TEMP3_CONFIG, | |
1387 | temp3_cfg & 0xe6); | |
1388 | ||
1389 | /* Start monitoring */ | |
1390 | w83792d_write_value(client, W83792D_REG_CONFIG, | |
1391 | (w83792d_read_value(client, | |
1392 | W83792D_REG_CONFIG) & 0xf7) | |
1393 | | 0x01); | |
1394 | } | |
1395 | ||
1396 | static struct w83792d_data *w83792d_update_device(struct device *dev) | |
1397 | { | |
1398 | struct i2c_client *client = to_i2c_client(dev); | |
1399 | struct w83792d_data *data = i2c_get_clientdata(client); | |
1400 | int i, j; | |
53e2761b | 1401 | u8 reg_array_tmp[4], reg_tmp; |
5563e27d | 1402 | |
9a61bf63 | 1403 | mutex_lock(&data->update_lock); |
5563e27d RM |
1404 | |
1405 | if (time_after | |
1406 | (jiffies - data->last_updated, (unsigned long) (HZ * 3)) | |
1407 | || time_before(jiffies, data->last_updated) || !data->valid) { | |
1408 | dev_dbg(dev, "Starting device update\n"); | |
1409 | ||
1410 | /* Update the voltages measured value and limits */ | |
1411 | for (i = 0; i < 9; i++) { | |
1412 | data->in[i] = w83792d_read_value(client, | |
1413 | W83792D_REG_IN[i]); | |
1414 | data->in_max[i] = w83792d_read_value(client, | |
1415 | W83792D_REG_IN_MAX[i]); | |
1416 | data->in_min[i] = w83792d_read_value(client, | |
1417 | W83792D_REG_IN_MIN[i]); | |
1418 | } | |
99d85560 JD |
1419 | data->low_bits = w83792d_read_value(client, |
1420 | W83792D_REG_LOW_BITS1) + | |
1421 | (w83792d_read_value(client, | |
1422 | W83792D_REG_LOW_BITS2) << 8); | |
5563e27d RM |
1423 | for (i = 0; i < 7; i++) { |
1424 | /* Update the Fan measured value and limits */ | |
1425 | data->fan[i] = w83792d_read_value(client, | |
1426 | W83792D_REG_FAN[i]); | |
1427 | data->fan_min[i] = w83792d_read_value(client, | |
1428 | W83792D_REG_FAN_MIN[i]); | |
1429 | /* Update the PWM/DC Value and PWM/DC flag */ | |
53e2761b | 1430 | data->pwm[i] = w83792d_read_value(client, |
5563e27d | 1431 | W83792D_REG_PWM[i]); |
5563e27d RM |
1432 | } |
1433 | ||
1434 | reg_tmp = w83792d_read_value(client, W83792D_REG_FAN_CFG); | |
1435 | data->pwmenable[0] = reg_tmp & 0x03; | |
1436 | data->pwmenable[1] = (reg_tmp>>2) & 0x03; | |
1437 | data->pwmenable[2] = (reg_tmp>>4) & 0x03; | |
1438 | ||
1439 | for (i = 0; i < 3; i++) { | |
1440 | data->temp1[i] = w83792d_read_value(client, | |
1441 | W83792D_REG_TEMP1[i]); | |
1442 | } | |
1443 | for (i = 0; i < 2; i++) { | |
1444 | for (j = 0; j < 6; j++) { | |
1445 | data->temp_add[i][j] = w83792d_read_value( | |
1446 | client,W83792D_REG_TEMP_ADD[i][j]); | |
1447 | } | |
1448 | } | |
1449 | ||
1450 | /* Update the Fan Divisor */ | |
1451 | for (i = 0; i < 4; i++) { | |
1452 | reg_array_tmp[i] = w83792d_read_value(client, | |
1453 | W83792D_REG_FAN_DIV[i]); | |
1454 | } | |
1455 | data->fan_div[0] = reg_array_tmp[0] & 0x07; | |
1456 | data->fan_div[1] = (reg_array_tmp[0] >> 4) & 0x07; | |
1457 | data->fan_div[2] = reg_array_tmp[1] & 0x07; | |
1458 | data->fan_div[3] = (reg_array_tmp[1] >> 4) & 0x07; | |
1459 | data->fan_div[4] = reg_array_tmp[2] & 0x07; | |
1460 | data->fan_div[5] = (reg_array_tmp[2] >> 4) & 0x07; | |
1461 | data->fan_div[6] = reg_array_tmp[3] & 0x07; | |
1462 | ||
1463 | /* Update the realtime status */ | |
1464 | data->alarms = w83792d_read_value(client, W83792D_REG_ALARM1) + | |
1465 | (w83792d_read_value(client, W83792D_REG_ALARM2) << 8) + | |
1466 | (w83792d_read_value(client, W83792D_REG_ALARM3) << 16); | |
1467 | ||
1468 | /* Update CaseOpen status and it's CLR_CHS. */ | |
1469 | data->chassis = (w83792d_read_value(client, | |
1470 | W83792D_REG_CHASSIS) >> 5) & 0x01; | |
1471 | data->chassis_clear = (w83792d_read_value(client, | |
1472 | W83792D_REG_CHASSIS_CLR) >> 7) & 0x01; | |
1473 | ||
1474 | /* Update Thermal Cruise/Smart Fan I target value */ | |
1475 | for (i = 0; i < 3; i++) { | |
1476 | data->thermal_cruise[i] = | |
1477 | w83792d_read_value(client, | |
1478 | W83792D_REG_THERMAL[i]) & 0x7f; | |
1479 | } | |
1480 | ||
1481 | /* Update Smart Fan I/II tolerance */ | |
1482 | reg_tmp = w83792d_read_value(client, W83792D_REG_TOLERANCE[0]); | |
1483 | data->tolerance[0] = reg_tmp & 0x0f; | |
1484 | data->tolerance[1] = (reg_tmp >> 4) & 0x0f; | |
1485 | data->tolerance[2] = w83792d_read_value(client, | |
1486 | W83792D_REG_TOLERANCE[2]) & 0x0f; | |
1487 | ||
1488 | /* Update Smart Fan II temperature points */ | |
1489 | for (i = 0; i < 3; i++) { | |
1490 | for (j = 0; j < 4; j++) { | |
1491 | data->sf2_points[i][j] = w83792d_read_value( | |
1492 | client,W83792D_REG_POINTS[i][j]) & 0x7f; | |
1493 | } | |
1494 | } | |
1495 | ||
1496 | /* Update Smart Fan II duty cycle levels */ | |
1497 | for (i = 0; i < 3; i++) { | |
1498 | reg_tmp = w83792d_read_value(client, | |
1499 | W83792D_REG_LEVELS[i][0]); | |
1500 | data->sf2_levels[i][0] = reg_tmp & 0x0f; | |
1501 | data->sf2_levels[i][1] = (reg_tmp >> 4) & 0x0f; | |
1502 | reg_tmp = w83792d_read_value(client, | |
1503 | W83792D_REG_LEVELS[i][2]); | |
1504 | data->sf2_levels[i][2] = (reg_tmp >> 4) & 0x0f; | |
1505 | data->sf2_levels[i][3] = reg_tmp & 0x0f; | |
1506 | } | |
1507 | ||
1508 | data->last_updated = jiffies; | |
1509 | data->valid = 1; | |
1510 | } | |
1511 | ||
9a61bf63 | 1512 | mutex_unlock(&data->update_lock); |
5563e27d RM |
1513 | |
1514 | #ifdef DEBUG | |
1515 | w83792d_print_debug(data, dev); | |
1516 | #endif | |
1517 | ||
1518 | return data; | |
1519 | } | |
1520 | ||
1521 | #ifdef DEBUG | |
1522 | static void w83792d_print_debug(struct w83792d_data *data, struct device *dev) | |
1523 | { | |
1524 | int i=0, j=0; | |
1525 | dev_dbg(dev, "==========The following is the debug message...========\n"); | |
1526 | dev_dbg(dev, "9 set of Voltages: =====>\n"); | |
1527 | for (i=0; i<9; i++) { | |
1528 | dev_dbg(dev, "vin[%d] is: 0x%x\n", i, data->in[i]); | |
1529 | dev_dbg(dev, "vin[%d] max is: 0x%x\n", i, data->in_max[i]); | |
1530 | dev_dbg(dev, "vin[%d] min is: 0x%x\n", i, data->in_min[i]); | |
1531 | } | |
99d85560 JD |
1532 | dev_dbg(dev, "Low Bit1 is: 0x%x\n", data->low_bits & 0xff); |
1533 | dev_dbg(dev, "Low Bit2 is: 0x%x\n", data->low_bits >> 8); | |
5563e27d RM |
1534 | dev_dbg(dev, "7 set of Fan Counts and Duty Cycles: =====>\n"); |
1535 | for (i=0; i<7; i++) { | |
1536 | dev_dbg(dev, "fan[%d] is: 0x%x\n", i, data->fan[i]); | |
1537 | dev_dbg(dev, "fan[%d] min is: 0x%x\n", i, data->fan_min[i]); | |
1538 | dev_dbg(dev, "pwm[%d] is: 0x%x\n", i, data->pwm[i]); | |
5563e27d RM |
1539 | } |
1540 | dev_dbg(dev, "3 set of Temperatures: =====>\n"); | |
1541 | for (i=0; i<3; i++) { | |
1542 | dev_dbg(dev, "temp1[%d] is: 0x%x\n", i, data->temp1[i]); | |
1543 | } | |
1544 | ||
1545 | for (i=0; i<2; i++) { | |
1546 | for (j=0; j<6; j++) { | |
1547 | dev_dbg(dev, "temp_add[%d][%d] is: 0x%x\n", i, j, | |
1548 | data->temp_add[i][j]); | |
1549 | } | |
1550 | } | |
1551 | ||
1552 | for (i=0; i<7; i++) { | |
1553 | dev_dbg(dev, "fan_div[%d] is: 0x%x\n", i, data->fan_div[i]); | |
1554 | } | |
1555 | dev_dbg(dev, "==========End of the debug message...==================\n"); | |
1556 | dev_dbg(dev, "\n"); | |
1557 | } | |
1558 | #endif | |
1559 | ||
1560 | static int __init | |
1561 | sensors_w83792d_init(void) | |
1562 | { | |
1563 | return i2c_add_driver(&w83792d_driver); | |
1564 | } | |
1565 | ||
1566 | static void __exit | |
1567 | sensors_w83792d_exit(void) | |
1568 | { | |
1569 | i2c_del_driver(&w83792d_driver); | |
1570 | } | |
1571 | ||
1572 | MODULE_AUTHOR("Chunhao Huang @ Winbond <DZShen@Winbond.com.tw>"); | |
1573 | MODULE_DESCRIPTION("W83792AD/D driver for linux-2.6"); | |
1574 | MODULE_LICENSE("GPL"); | |
1575 | ||
1576 | module_init(sensors_w83792d_init); | |
1577 | module_exit(sensors_w83792d_exit); | |
1578 |