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1da177e4 LT |
1 | /* |
2 | adm1026.c - Part of lm_sensors, Linux kernel modules for hardware | |
3 | monitoring | |
4 | Copyright (C) 2002, 2003 Philip Pokorny <ppokorny@penguincomputing.com> | |
5 | Copyright (C) 2004 Justin Thiessen <jthiessen@penguincomputing.com> | |
6 | ||
7 | Chip details at: | |
8 | ||
9 | <http://www.analog.com/UploadedFiles/Data_Sheets/779263102ADM1026_a.pdf> | |
10 | ||
11 | This program is free software; you can redistribute it and/or modify | |
12 | it under the terms of the GNU General Public License as published by | |
13 | the Free Software Foundation; either version 2 of the License, or | |
14 | (at your option) any later version. | |
15 | ||
16 | This program is distributed in the hope that it will be useful, | |
17 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
18 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
19 | GNU General Public License for more details. | |
20 | ||
21 | You should have received a copy of the GNU General Public License | |
22 | along with this program; if not, write to the Free Software | |
23 | Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. | |
24 | */ | |
25 | ||
1da177e4 LT |
26 | #include <linux/module.h> |
27 | #include <linux/init.h> | |
28 | #include <linux/slab.h> | |
29 | #include <linux/jiffies.h> | |
30 | #include <linux/i2c.h> | |
943b0830 | 31 | #include <linux/hwmon.h> |
303760b4 JD |
32 | #include <linux/hwmon-sysfs.h> |
33 | #include <linux/hwmon-vid.h> | |
943b0830 | 34 | #include <linux/err.h> |
9a61bf63 | 35 | #include <linux/mutex.h> |
1da177e4 LT |
36 | |
37 | /* Addresses to scan */ | |
38 | static unsigned short normal_i2c[] = { 0x2c, 0x2d, 0x2e, I2C_CLIENT_END }; | |
1da177e4 LT |
39 | |
40 | /* Insmod parameters */ | |
f4b50261 | 41 | I2C_CLIENT_INSMOD_1(adm1026); |
1da177e4 LT |
42 | |
43 | static int gpio_input[17] = { -1, -1, -1, -1, -1, -1, -1, -1, -1, | |
44 | -1, -1, -1, -1, -1, -1, -1, -1 }; | |
45 | static int gpio_output[17] = { -1, -1, -1, -1, -1, -1, -1, -1, -1, | |
46 | -1, -1, -1, -1, -1, -1, -1, -1 }; | |
47 | static int gpio_inverted[17] = { -1, -1, -1, -1, -1, -1, -1, -1, -1, | |
48 | -1, -1, -1, -1, -1, -1, -1, -1 }; | |
49 | static int gpio_normal[17] = { -1, -1, -1, -1, -1, -1, -1, -1, -1, | |
50 | -1, -1, -1, -1, -1, -1, -1, -1 }; | |
51 | static int gpio_fan[8] = { -1, -1, -1, -1, -1, -1, -1, -1 }; | |
52 | module_param_array(gpio_input,int,NULL,0); | |
53 | MODULE_PARM_DESC(gpio_input,"List of GPIO pins (0-16) to program as inputs"); | |
54 | module_param_array(gpio_output,int,NULL,0); | |
55 | MODULE_PARM_DESC(gpio_output,"List of GPIO pins (0-16) to program as " | |
56 | "outputs"); | |
57 | module_param_array(gpio_inverted,int,NULL,0); | |
58 | MODULE_PARM_DESC(gpio_inverted,"List of GPIO pins (0-16) to program as " | |
59 | "inverted"); | |
60 | module_param_array(gpio_normal,int,NULL,0); | |
61 | MODULE_PARM_DESC(gpio_normal,"List of GPIO pins (0-16) to program as " | |
62 | "normal/non-inverted"); | |
63 | module_param_array(gpio_fan,int,NULL,0); | |
64 | MODULE_PARM_DESC(gpio_fan,"List of GPIO pins (0-7) to program as fan tachs"); | |
65 | ||
66 | /* Many ADM1026 constants specified below */ | |
67 | ||
68 | /* The ADM1026 registers */ | |
69 | #define ADM1026_REG_CONFIG1 0x00 | |
70 | #define CFG1_MONITOR 0x01 | |
71 | #define CFG1_INT_ENABLE 0x02 | |
72 | #define CFG1_INT_CLEAR 0x04 | |
73 | #define CFG1_AIN8_9 0x08 | |
74 | #define CFG1_THERM_HOT 0x10 | |
75 | #define CFG1_DAC_AFC 0x20 | |
76 | #define CFG1_PWM_AFC 0x40 | |
77 | #define CFG1_RESET 0x80 | |
78 | #define ADM1026_REG_CONFIG2 0x01 | |
79 | /* CONFIG2 controls FAN0/GPIO0 through FAN7/GPIO7 */ | |
80 | #define ADM1026_REG_CONFIG3 0x07 | |
81 | #define CFG3_GPIO16_ENABLE 0x01 | |
82 | #define CFG3_CI_CLEAR 0x02 | |
83 | #define CFG3_VREF_250 0x04 | |
84 | #define CFG3_GPIO16_DIR 0x40 | |
85 | #define CFG3_GPIO16_POL 0x80 | |
86 | #define ADM1026_REG_E2CONFIG 0x13 | |
87 | #define E2CFG_READ 0x01 | |
88 | #define E2CFG_WRITE 0x02 | |
89 | #define E2CFG_ERASE 0x04 | |
90 | #define E2CFG_ROM 0x08 | |
91 | #define E2CFG_CLK_EXT 0x80 | |
92 | ||
93 | /* There are 10 general analog inputs and 7 dedicated inputs | |
94 | * They are: | |
95 | * 0 - 9 = AIN0 - AIN9 | |
96 | * 10 = Vbat | |
97 | * 11 = 3.3V Standby | |
98 | * 12 = 3.3V Main | |
99 | * 13 = +5V | |
100 | * 14 = Vccp (CPU core voltage) | |
101 | * 15 = +12V | |
102 | * 16 = -12V | |
103 | */ | |
104 | static u16 ADM1026_REG_IN[] = { | |
105 | 0x30, 0x31, 0x32, 0x33, 0x34, 0x35, | |
106 | 0x36, 0x37, 0x27, 0x29, 0x26, 0x2a, | |
107 | 0x2b, 0x2c, 0x2d, 0x2e, 0x2f | |
108 | }; | |
109 | static u16 ADM1026_REG_IN_MIN[] = { | |
110 | 0x58, 0x59, 0x5a, 0x5b, 0x5c, 0x5d, | |
111 | 0x5e, 0x5f, 0x6d, 0x49, 0x6b, 0x4a, | |
112 | 0x4b, 0x4c, 0x4d, 0x4e, 0x4f | |
113 | }; | |
114 | static u16 ADM1026_REG_IN_MAX[] = { | |
115 | 0x50, 0x51, 0x52, 0x53, 0x54, 0x55, | |
116 | 0x56, 0x57, 0x6c, 0x41, 0x6a, 0x42, | |
117 | 0x43, 0x44, 0x45, 0x46, 0x47 | |
118 | }; | |
119 | ||
120 | /* Temperatures are: | |
121 | * 0 - Internal | |
122 | * 1 - External 1 | |
123 | * 2 - External 2 | |
124 | */ | |
125 | static u16 ADM1026_REG_TEMP[] = { 0x1f, 0x28, 0x29 }; | |
126 | static u16 ADM1026_REG_TEMP_MIN[] = { 0x69, 0x48, 0x49 }; | |
127 | static u16 ADM1026_REG_TEMP_MAX[] = { 0x68, 0x40, 0x41 }; | |
128 | static u16 ADM1026_REG_TEMP_TMIN[] = { 0x10, 0x11, 0x12 }; | |
129 | static u16 ADM1026_REG_TEMP_THERM[] = { 0x0d, 0x0e, 0x0f }; | |
130 | static u16 ADM1026_REG_TEMP_OFFSET[] = { 0x1e, 0x6e, 0x6f }; | |
131 | ||
132 | #define ADM1026_REG_FAN(nr) (0x38 + (nr)) | |
133 | #define ADM1026_REG_FAN_MIN(nr) (0x60 + (nr)) | |
134 | #define ADM1026_REG_FAN_DIV_0_3 0x02 | |
135 | #define ADM1026_REG_FAN_DIV_4_7 0x03 | |
136 | ||
137 | #define ADM1026_REG_DAC 0x04 | |
138 | #define ADM1026_REG_PWM 0x05 | |
139 | ||
140 | #define ADM1026_REG_GPIO_CFG_0_3 0x08 | |
141 | #define ADM1026_REG_GPIO_CFG_4_7 0x09 | |
142 | #define ADM1026_REG_GPIO_CFG_8_11 0x0a | |
143 | #define ADM1026_REG_GPIO_CFG_12_15 0x0b | |
144 | /* CFG_16 in REG_CFG3 */ | |
145 | #define ADM1026_REG_GPIO_STATUS_0_7 0x24 | |
146 | #define ADM1026_REG_GPIO_STATUS_8_15 0x25 | |
147 | /* STATUS_16 in REG_STATUS4 */ | |
148 | #define ADM1026_REG_GPIO_MASK_0_7 0x1c | |
149 | #define ADM1026_REG_GPIO_MASK_8_15 0x1d | |
150 | /* MASK_16 in REG_MASK4 */ | |
151 | ||
152 | #define ADM1026_REG_COMPANY 0x16 | |
153 | #define ADM1026_REG_VERSTEP 0x17 | |
154 | /* These are the recognized values for the above regs */ | |
155 | #define ADM1026_COMPANY_ANALOG_DEV 0x41 | |
156 | #define ADM1026_VERSTEP_GENERIC 0x40 | |
157 | #define ADM1026_VERSTEP_ADM1026 0x44 | |
158 | ||
159 | #define ADM1026_REG_MASK1 0x18 | |
160 | #define ADM1026_REG_MASK2 0x19 | |
161 | #define ADM1026_REG_MASK3 0x1a | |
162 | #define ADM1026_REG_MASK4 0x1b | |
163 | ||
164 | #define ADM1026_REG_STATUS1 0x20 | |
165 | #define ADM1026_REG_STATUS2 0x21 | |
166 | #define ADM1026_REG_STATUS3 0x22 | |
167 | #define ADM1026_REG_STATUS4 0x23 | |
168 | ||
169 | #define ADM1026_FAN_ACTIVATION_TEMP_HYST -6 | |
170 | #define ADM1026_FAN_CONTROL_TEMP_RANGE 20 | |
171 | #define ADM1026_PWM_MAX 255 | |
172 | ||
173 | /* Conversions. Rounding and limit checking is only done on the TO_REG | |
174 | * variants. Note that you should be a bit careful with which arguments | |
175 | * these macros are called: arguments may be evaluated more than once. | |
176 | */ | |
177 | ||
178 | /* IN are scaled acording to built-in resistors. These are the | |
179 | * voltages corresponding to 3/4 of full scale (192 or 0xc0) | |
180 | * NOTE: The -12V input needs an additional factor to account | |
181 | * for the Vref pullup resistor. | |
182 | * NEG12_OFFSET = SCALE * Vref / V-192 - Vref | |
183 | * = 13875 * 2.50 / 1.875 - 2500 | |
184 | * = 16000 | |
185 | * | |
186 | * The values in this table are based on Table II, page 15 of the | |
187 | * datasheet. | |
188 | */ | |
189 | static int adm1026_scaling[] = { /* .001 Volts */ | |
190 | 2250, 2250, 2250, 2250, 2250, 2250, | |
191 | 1875, 1875, 1875, 1875, 3000, 3330, | |
192 | 3330, 4995, 2250, 12000, 13875 | |
193 | }; | |
194 | #define NEG12_OFFSET 16000 | |
195 | #define SCALE(val,from,to) (((val)*(to) + ((from)/2))/(from)) | |
196 | #define INS_TO_REG(n,val) (SENSORS_LIMIT(SCALE(val,adm1026_scaling[n],192),\ | |
197 | 0,255)) | |
198 | #define INS_FROM_REG(n,val) (SCALE(val,192,adm1026_scaling[n])) | |
199 | ||
200 | /* FAN speed is measured using 22.5kHz clock and counts for 2 pulses | |
201 | * and we assume a 2 pulse-per-rev fan tach signal | |
202 | * 22500 kHz * 60 (sec/min) * 2 (pulse) / 2 (pulse/rev) == 1350000 | |
203 | */ | |
204 | #define FAN_TO_REG(val,div) ((val)<=0 ? 0xff : SENSORS_LIMIT(1350000/((val)*\ | |
205 | (div)),1,254)) | |
206 | #define FAN_FROM_REG(val,div) ((val)==0?-1:(val)==0xff ? 0 : 1350000/((val)*\ | |
207 | (div))) | |
208 | #define DIV_FROM_REG(val) (1<<(val)) | |
209 | #define DIV_TO_REG(val) ((val)>=8 ? 3 : (val)>=4 ? 2 : (val)>=2 ? 1 : 0) | |
210 | ||
211 | /* Temperature is reported in 1 degC increments */ | |
212 | #define TEMP_TO_REG(val) (SENSORS_LIMIT(((val)+((val)<0 ? -500 : 500))/1000,\ | |
213 | -127,127)) | |
214 | #define TEMP_FROM_REG(val) ((val) * 1000) | |
215 | #define OFFSET_TO_REG(val) (SENSORS_LIMIT(((val)+((val)<0 ? -500 : 500))/1000,\ | |
216 | -127,127)) | |
217 | #define OFFSET_FROM_REG(val) ((val) * 1000) | |
218 | ||
219 | #define PWM_TO_REG(val) (SENSORS_LIMIT(val,0,255)) | |
220 | #define PWM_FROM_REG(val) (val) | |
221 | ||
222 | #define PWM_MIN_TO_REG(val) ((val) & 0xf0) | |
223 | #define PWM_MIN_FROM_REG(val) (((val) & 0xf0) + ((val) >> 4)) | |
224 | ||
225 | /* Analog output is a voltage, and scaled to millivolts. The datasheet | |
226 | * indicates that the DAC could be used to drive the fans, but in our | |
227 | * example board (Arima HDAMA) it isn't connected to the fans at all. | |
228 | */ | |
229 | #define DAC_TO_REG(val) (SENSORS_LIMIT(((((val)*255)+500)/2500),0,255)) | |
230 | #define DAC_FROM_REG(val) (((val)*2500)/255) | |
231 | ||
232 | /* Typically used with systems using a v9.1 VRM spec ? */ | |
233 | #define ADM1026_INIT_VRM 91 | |
234 | ||
235 | /* Chip sampling rates | |
236 | * | |
237 | * Some sensors are not updated more frequently than once per second | |
238 | * so it doesn't make sense to read them more often than that. | |
239 | * We cache the results and return the saved data if the driver | |
240 | * is called again before a second has elapsed. | |
241 | * | |
242 | * Also, there is significant configuration data for this chip | |
243 | * So, we keep the config data up to date in the cache | |
244 | * when it is written and only sample it once every 5 *minutes* | |
245 | */ | |
246 | #define ADM1026_DATA_INTERVAL (1 * HZ) | |
247 | #define ADM1026_CONFIG_INTERVAL (5 * 60 * HZ) | |
248 | ||
249 | /* We allow for multiple chips in a single system. | |
250 | * | |
251 | * For each registered ADM1026, we need to keep state information | |
252 | * at client->data. The adm1026_data structure is dynamically | |
253 | * allocated, when a new client structure is allocated. */ | |
254 | ||
255 | struct pwm_data { | |
256 | u8 pwm; | |
257 | u8 enable; | |
258 | u8 auto_pwm_min; | |
259 | }; | |
260 | ||
261 | struct adm1026_data { | |
262 | struct i2c_client client; | |
1beeffe4 | 263 | struct device *hwmon_dev; |
1da177e4 LT |
264 | enum chips type; |
265 | ||
9a61bf63 | 266 | struct mutex update_lock; |
1da177e4 LT |
267 | int valid; /* !=0 if following fields are valid */ |
268 | unsigned long last_reading; /* In jiffies */ | |
269 | unsigned long last_config; /* In jiffies */ | |
270 | ||
271 | u8 in[17]; /* Register value */ | |
272 | u8 in_max[17]; /* Register value */ | |
273 | u8 in_min[17]; /* Register value */ | |
274 | s8 temp[3]; /* Register value */ | |
275 | s8 temp_min[3]; /* Register value */ | |
276 | s8 temp_max[3]; /* Register value */ | |
277 | s8 temp_tmin[3]; /* Register value */ | |
278 | s8 temp_crit[3]; /* Register value */ | |
279 | s8 temp_offset[3]; /* Register value */ | |
280 | u8 fan[8]; /* Register value */ | |
281 | u8 fan_min[8]; /* Register value */ | |
282 | u8 fan_div[8]; /* Decoded value */ | |
283 | struct pwm_data pwm1; /* Pwm control values */ | |
284 | int vid; /* Decoded value */ | |
285 | u8 vrm; /* VRM version */ | |
286 | u8 analog_out; /* Register value (DAC) */ | |
287 | long alarms; /* Register encoding, combined */ | |
288 | long alarm_mask; /* Register encoding, combined */ | |
289 | long gpio; /* Register encoding, combined */ | |
290 | long gpio_mask; /* Register encoding, combined */ | |
291 | u8 gpio_config[17]; /* Decoded value */ | |
292 | u8 config1; /* Register value */ | |
293 | u8 config2; /* Register value */ | |
294 | u8 config3; /* Register value */ | |
295 | }; | |
296 | ||
297 | static int adm1026_attach_adapter(struct i2c_adapter *adapter); | |
298 | static int adm1026_detect(struct i2c_adapter *adapter, int address, | |
299 | int kind); | |
300 | static int adm1026_detach_client(struct i2c_client *client); | |
f6c27fc1 DJ |
301 | static int adm1026_read_value(struct i2c_client *client, u8 reg); |
302 | static int adm1026_write_value(struct i2c_client *client, u8 reg, int value); | |
1da177e4 LT |
303 | static void adm1026_print_gpio(struct i2c_client *client); |
304 | static void adm1026_fixup_gpio(struct i2c_client *client); | |
305 | static struct adm1026_data *adm1026_update_device(struct device *dev); | |
306 | static void adm1026_init_client(struct i2c_client *client); | |
307 | ||
308 | ||
309 | static struct i2c_driver adm1026_driver = { | |
cdaf7934 | 310 | .driver = { |
cdaf7934 LR |
311 | .name = "adm1026", |
312 | }, | |
1da177e4 LT |
313 | .attach_adapter = adm1026_attach_adapter, |
314 | .detach_client = adm1026_detach_client, | |
315 | }; | |
316 | ||
c49efcef | 317 | static int adm1026_attach_adapter(struct i2c_adapter *adapter) |
1da177e4 LT |
318 | { |
319 | if (!(adapter->class & I2C_CLASS_HWMON)) { | |
320 | return 0; | |
321 | } | |
2ed2dc3c | 322 | return i2c_probe(adapter, &addr_data, adm1026_detect); |
1da177e4 LT |
323 | } |
324 | ||
c49efcef | 325 | static int adm1026_read_value(struct i2c_client *client, u8 reg) |
1da177e4 LT |
326 | { |
327 | int res; | |
328 | ||
329 | if (reg < 0x80) { | |
330 | /* "RAM" locations */ | |
331 | res = i2c_smbus_read_byte_data(client, reg) & 0xff; | |
332 | } else { | |
333 | /* EEPROM, do nothing */ | |
334 | res = 0; | |
335 | } | |
336 | return res; | |
337 | } | |
338 | ||
c49efcef | 339 | static int adm1026_write_value(struct i2c_client *client, u8 reg, int value) |
1da177e4 LT |
340 | { |
341 | int res; | |
342 | ||
343 | if (reg < 0x80) { | |
344 | /* "RAM" locations */ | |
345 | res = i2c_smbus_write_byte_data(client, reg, value); | |
346 | } else { | |
347 | /* EEPROM, do nothing */ | |
348 | res = 0; | |
349 | } | |
350 | return res; | |
351 | } | |
352 | ||
c49efcef | 353 | static void adm1026_init_client(struct i2c_client *client) |
1da177e4 LT |
354 | { |
355 | int value, i; | |
356 | struct adm1026_data *data = i2c_get_clientdata(client); | |
357 | ||
358 | dev_dbg(&client->dev, "Initializing device\n"); | |
359 | /* Read chip config */ | |
360 | data->config1 = adm1026_read_value(client, ADM1026_REG_CONFIG1); | |
361 | data->config2 = adm1026_read_value(client, ADM1026_REG_CONFIG2); | |
362 | data->config3 = adm1026_read_value(client, ADM1026_REG_CONFIG3); | |
363 | ||
364 | /* Inform user of chip config */ | |
365 | dev_dbg(&client->dev, "ADM1026_REG_CONFIG1 is: 0x%02x\n", | |
366 | data->config1); | |
367 | if ((data->config1 & CFG1_MONITOR) == 0) { | |
368 | dev_dbg(&client->dev, "Monitoring not currently " | |
369 | "enabled.\n"); | |
370 | } | |
371 | if (data->config1 & CFG1_INT_ENABLE) { | |
372 | dev_dbg(&client->dev, "SMBALERT interrupts are " | |
373 | "enabled.\n"); | |
374 | } | |
375 | if (data->config1 & CFG1_AIN8_9) { | |
376 | dev_dbg(&client->dev, "in8 and in9 enabled. " | |
377 | "temp3 disabled.\n"); | |
378 | } else { | |
379 | dev_dbg(&client->dev, "temp3 enabled. in8 and " | |
380 | "in9 disabled.\n"); | |
381 | } | |
382 | if (data->config1 & CFG1_THERM_HOT) { | |
383 | dev_dbg(&client->dev, "Automatic THERM, PWM, " | |
384 | "and temp limits enabled.\n"); | |
385 | } | |
386 | ||
387 | value = data->config3; | |
388 | if (data->config3 & CFG3_GPIO16_ENABLE) { | |
368609c5 | 389 | dev_dbg(&client->dev, "GPIO16 enabled. THERM " |
1da177e4 LT |
390 | "pin disabled.\n"); |
391 | } else { | |
392 | dev_dbg(&client->dev, "THERM pin enabled. " | |
393 | "GPIO16 disabled.\n"); | |
394 | } | |
395 | if (data->config3 & CFG3_VREF_250) { | |
396 | dev_dbg(&client->dev, "Vref is 2.50 Volts.\n"); | |
397 | } else { | |
398 | dev_dbg(&client->dev, "Vref is 1.82 Volts.\n"); | |
399 | } | |
400 | /* Read and pick apart the existing GPIO configuration */ | |
401 | value = 0; | |
402 | for (i = 0;i <= 15;++i) { | |
403 | if ((i & 0x03) == 0) { | |
404 | value = adm1026_read_value(client, | |
405 | ADM1026_REG_GPIO_CFG_0_3 + i/4); | |
406 | } | |
407 | data->gpio_config[i] = value & 0x03; | |
408 | value >>= 2; | |
409 | } | |
410 | data->gpio_config[16] = (data->config3 >> 6) & 0x03; | |
411 | ||
412 | /* ... and then print it */ | |
413 | adm1026_print_gpio(client); | |
414 | ||
415 | /* If the user asks us to reprogram the GPIO config, then | |
416 | * do it now. | |
417 | */ | |
418 | if (gpio_input[0] != -1 || gpio_output[0] != -1 | |
419 | || gpio_inverted[0] != -1 || gpio_normal[0] != -1 | |
420 | || gpio_fan[0] != -1) { | |
421 | adm1026_fixup_gpio(client); | |
422 | } | |
423 | ||
424 | /* WE INTENTIONALLY make no changes to the limits, | |
425 | * offsets, pwms, fans and zones. If they were | |
426 | * configured, we don't want to mess with them. | |
427 | * If they weren't, the default is 100% PWM, no | |
428 | * control and will suffice until 'sensors -s' | |
429 | * can be run by the user. We DO set the default | |
430 | * value for pwm1.auto_pwm_min to its maximum | |
431 | * so that enabling automatic pwm fan control | |
432 | * without first setting a value for pwm1.auto_pwm_min | |
433 | * will not result in potentially dangerous fan speed decrease. | |
434 | */ | |
435 | data->pwm1.auto_pwm_min=255; | |
436 | /* Start monitoring */ | |
437 | value = adm1026_read_value(client, ADM1026_REG_CONFIG1); | |
438 | /* Set MONITOR, clear interrupt acknowledge and s/w reset */ | |
439 | value = (value | CFG1_MONITOR) & (~CFG1_INT_CLEAR & ~CFG1_RESET); | |
440 | dev_dbg(&client->dev, "Setting CONFIG to: 0x%02x\n", value); | |
441 | data->config1 = value; | |
442 | adm1026_write_value(client, ADM1026_REG_CONFIG1, value); | |
443 | ||
444 | /* initialize fan_div[] to hardware defaults */ | |
445 | value = adm1026_read_value(client, ADM1026_REG_FAN_DIV_0_3) | | |
446 | (adm1026_read_value(client, ADM1026_REG_FAN_DIV_4_7) << 8); | |
447 | for (i = 0;i <= 7;++i) { | |
448 | data->fan_div[i] = DIV_FROM_REG(value & 0x03); | |
449 | value >>= 2; | |
450 | } | |
451 | } | |
452 | ||
c49efcef | 453 | static void adm1026_print_gpio(struct i2c_client *client) |
1da177e4 LT |
454 | { |
455 | struct adm1026_data *data = i2c_get_clientdata(client); | |
456 | int i; | |
457 | ||
458 | dev_dbg(&client->dev, "GPIO config is:"); | |
459 | for (i = 0;i <= 7;++i) { | |
460 | if (data->config2 & (1 << i)) { | |
461 | dev_dbg(&client->dev, "\t%sGP%s%d\n", | |
462 | data->gpio_config[i] & 0x02 ? "" : "!", | |
463 | data->gpio_config[i] & 0x01 ? "OUT" : "IN", | |
464 | i); | |
465 | } else { | |
466 | dev_dbg(&client->dev, "\tFAN%d\n", i); | |
467 | } | |
468 | } | |
469 | for (i = 8;i <= 15;++i) { | |
470 | dev_dbg(&client->dev, "\t%sGP%s%d\n", | |
471 | data->gpio_config[i] & 0x02 ? "" : "!", | |
472 | data->gpio_config[i] & 0x01 ? "OUT" : "IN", | |
473 | i); | |
474 | } | |
475 | if (data->config3 & CFG3_GPIO16_ENABLE) { | |
476 | dev_dbg(&client->dev, "\t%sGP%s16\n", | |
477 | data->gpio_config[16] & 0x02 ? "" : "!", | |
478 | data->gpio_config[16] & 0x01 ? "OUT" : "IN"); | |
479 | } else { | |
480 | /* GPIO16 is THERM */ | |
481 | dev_dbg(&client->dev, "\tTHERM\n"); | |
482 | } | |
483 | } | |
484 | ||
c49efcef | 485 | static void adm1026_fixup_gpio(struct i2c_client *client) |
1da177e4 LT |
486 | { |
487 | struct adm1026_data *data = i2c_get_clientdata(client); | |
488 | int i; | |
489 | int value; | |
490 | ||
491 | /* Make the changes requested. */ | |
492 | /* We may need to unlock/stop monitoring or soft-reset the | |
493 | * chip before we can make changes. This hasn't been | |
494 | * tested much. FIXME | |
495 | */ | |
496 | ||
497 | /* Make outputs */ | |
498 | for (i = 0;i <= 16;++i) { | |
499 | if (gpio_output[i] >= 0 && gpio_output[i] <= 16) { | |
500 | data->gpio_config[gpio_output[i]] |= 0x01; | |
501 | } | |
502 | /* if GPIO0-7 is output, it isn't a FAN tach */ | |
503 | if (gpio_output[i] >= 0 && gpio_output[i] <= 7) { | |
504 | data->config2 |= 1 << gpio_output[i]; | |
505 | } | |
506 | } | |
507 | ||
508 | /* Input overrides output */ | |
509 | for (i = 0;i <= 16;++i) { | |
510 | if (gpio_input[i] >= 0 && gpio_input[i] <= 16) { | |
511 | data->gpio_config[gpio_input[i]] &= ~ 0x01; | |
512 | } | |
513 | /* if GPIO0-7 is input, it isn't a FAN tach */ | |
514 | if (gpio_input[i] >= 0 && gpio_input[i] <= 7) { | |
515 | data->config2 |= 1 << gpio_input[i]; | |
516 | } | |
517 | } | |
518 | ||
519 | /* Inverted */ | |
520 | for (i = 0;i <= 16;++i) { | |
521 | if (gpio_inverted[i] >= 0 && gpio_inverted[i] <= 16) { | |
522 | data->gpio_config[gpio_inverted[i]] &= ~ 0x02; | |
523 | } | |
524 | } | |
525 | ||
526 | /* Normal overrides inverted */ | |
527 | for (i = 0;i <= 16;++i) { | |
528 | if (gpio_normal[i] >= 0 && gpio_normal[i] <= 16) { | |
529 | data->gpio_config[gpio_normal[i]] |= 0x02; | |
530 | } | |
531 | } | |
532 | ||
533 | /* Fan overrides input and output */ | |
534 | for (i = 0;i <= 7;++i) { | |
535 | if (gpio_fan[i] >= 0 && gpio_fan[i] <= 7) { | |
536 | data->config2 &= ~(1 << gpio_fan[i]); | |
537 | } | |
538 | } | |
539 | ||
540 | /* Write new configs to registers */ | |
541 | adm1026_write_value(client, ADM1026_REG_CONFIG2, data->config2); | |
542 | data->config3 = (data->config3 & 0x3f) | |
543 | | ((data->gpio_config[16] & 0x03) << 6); | |
544 | adm1026_write_value(client, ADM1026_REG_CONFIG3, data->config3); | |
545 | for (i = 15, value = 0;i >= 0;--i) { | |
546 | value <<= 2; | |
547 | value |= data->gpio_config[i] & 0x03; | |
548 | if ((i & 0x03) == 0) { | |
549 | adm1026_write_value(client, | |
550 | ADM1026_REG_GPIO_CFG_0_3 + i/4, | |
551 | value); | |
552 | value = 0; | |
553 | } | |
554 | } | |
555 | ||
556 | /* Print the new config */ | |
557 | adm1026_print_gpio(client); | |
558 | } | |
559 | ||
560 | ||
561 | static struct adm1026_data *adm1026_update_device(struct device *dev) | |
562 | { | |
563 | struct i2c_client *client = to_i2c_client(dev); | |
564 | struct adm1026_data *data = i2c_get_clientdata(client); | |
565 | int i; | |
566 | long value, alarms, gpio; | |
567 | ||
9a61bf63 | 568 | mutex_lock(&data->update_lock); |
1da177e4 LT |
569 | if (!data->valid |
570 | || time_after(jiffies, data->last_reading + ADM1026_DATA_INTERVAL)) { | |
571 | /* Things that change quickly */ | |
572 | dev_dbg(&client->dev,"Reading sensor values\n"); | |
573 | for (i = 0;i <= 16;++i) { | |
574 | data->in[i] = | |
575 | adm1026_read_value(client, ADM1026_REG_IN[i]); | |
576 | } | |
577 | ||
578 | for (i = 0;i <= 7;++i) { | |
579 | data->fan[i] = | |
580 | adm1026_read_value(client, ADM1026_REG_FAN(i)); | |
581 | } | |
582 | ||
583 | for (i = 0;i <= 2;++i) { | |
584 | /* NOTE: temp[] is s8 and we assume 2's complement | |
585 | * "conversion" in the assignment */ | |
586 | data->temp[i] = | |
587 | adm1026_read_value(client, ADM1026_REG_TEMP[i]); | |
588 | } | |
589 | ||
590 | data->pwm1.pwm = adm1026_read_value(client, | |
591 | ADM1026_REG_PWM); | |
592 | data->analog_out = adm1026_read_value(client, | |
593 | ADM1026_REG_DAC); | |
594 | /* GPIO16 is MSbit of alarms, move it to gpio */ | |
595 | alarms = adm1026_read_value(client, ADM1026_REG_STATUS4); | |
596 | gpio = alarms & 0x80 ? 0x0100 : 0; /* GPIO16 */ | |
597 | alarms &= 0x7f; | |
598 | alarms <<= 8; | |
599 | alarms |= adm1026_read_value(client, ADM1026_REG_STATUS3); | |
600 | alarms <<= 8; | |
601 | alarms |= adm1026_read_value(client, ADM1026_REG_STATUS2); | |
602 | alarms <<= 8; | |
603 | alarms |= adm1026_read_value(client, ADM1026_REG_STATUS1); | |
604 | data->alarms = alarms; | |
605 | ||
606 | /* Read the GPIO values */ | |
607 | gpio |= adm1026_read_value(client, | |
608 | ADM1026_REG_GPIO_STATUS_8_15); | |
609 | gpio <<= 8; | |
610 | gpio |= adm1026_read_value(client, | |
611 | ADM1026_REG_GPIO_STATUS_0_7); | |
612 | data->gpio = gpio; | |
613 | ||
614 | data->last_reading = jiffies; | |
615 | }; /* last_reading */ | |
616 | ||
617 | if (!data->valid || | |
618 | time_after(jiffies, data->last_config + ADM1026_CONFIG_INTERVAL)) { | |
619 | /* Things that don't change often */ | |
620 | dev_dbg(&client->dev, "Reading config values\n"); | |
621 | for (i = 0;i <= 16;++i) { | |
622 | data->in_min[i] = adm1026_read_value(client, | |
623 | ADM1026_REG_IN_MIN[i]); | |
624 | data->in_max[i] = adm1026_read_value(client, | |
625 | ADM1026_REG_IN_MAX[i]); | |
626 | } | |
627 | ||
628 | value = adm1026_read_value(client, ADM1026_REG_FAN_DIV_0_3) | |
629 | | (adm1026_read_value(client, ADM1026_REG_FAN_DIV_4_7) | |
630 | << 8); | |
631 | for (i = 0;i <= 7;++i) { | |
632 | data->fan_min[i] = adm1026_read_value(client, | |
633 | ADM1026_REG_FAN_MIN(i)); | |
634 | data->fan_div[i] = DIV_FROM_REG(value & 0x03); | |
635 | value >>= 2; | |
636 | } | |
637 | ||
638 | for (i = 0; i <= 2; ++i) { | |
639 | /* NOTE: temp_xxx[] are s8 and we assume 2's | |
640 | * complement "conversion" in the assignment | |
641 | */ | |
642 | data->temp_min[i] = adm1026_read_value(client, | |
643 | ADM1026_REG_TEMP_MIN[i]); | |
644 | data->temp_max[i] = adm1026_read_value(client, | |
645 | ADM1026_REG_TEMP_MAX[i]); | |
646 | data->temp_tmin[i] = adm1026_read_value(client, | |
647 | ADM1026_REG_TEMP_TMIN[i]); | |
648 | data->temp_crit[i] = adm1026_read_value(client, | |
649 | ADM1026_REG_TEMP_THERM[i]); | |
650 | data->temp_offset[i] = adm1026_read_value(client, | |
651 | ADM1026_REG_TEMP_OFFSET[i]); | |
652 | } | |
653 | ||
654 | /* Read the STATUS/alarm masks */ | |
655 | alarms = adm1026_read_value(client, ADM1026_REG_MASK4); | |
656 | gpio = alarms & 0x80 ? 0x0100 : 0; /* GPIO16 */ | |
657 | alarms = (alarms & 0x7f) << 8; | |
658 | alarms |= adm1026_read_value(client, ADM1026_REG_MASK3); | |
659 | alarms <<= 8; | |
660 | alarms |= adm1026_read_value(client, ADM1026_REG_MASK2); | |
661 | alarms <<= 8; | |
662 | alarms |= adm1026_read_value(client, ADM1026_REG_MASK1); | |
663 | data->alarm_mask = alarms; | |
664 | ||
665 | /* Read the GPIO values */ | |
666 | gpio |= adm1026_read_value(client, | |
667 | ADM1026_REG_GPIO_MASK_8_15); | |
668 | gpio <<= 8; | |
669 | gpio |= adm1026_read_value(client, ADM1026_REG_GPIO_MASK_0_7); | |
670 | data->gpio_mask = gpio; | |
671 | ||
672 | /* Read various values from CONFIG1 */ | |
673 | data->config1 = adm1026_read_value(client, | |
674 | ADM1026_REG_CONFIG1); | |
675 | if (data->config1 & CFG1_PWM_AFC) { | |
676 | data->pwm1.enable = 2; | |
677 | data->pwm1.auto_pwm_min = | |
678 | PWM_MIN_FROM_REG(data->pwm1.pwm); | |
679 | } | |
680 | /* Read the GPIO config */ | |
681 | data->config2 = adm1026_read_value(client, | |
682 | ADM1026_REG_CONFIG2); | |
683 | data->config3 = adm1026_read_value(client, | |
684 | ADM1026_REG_CONFIG3); | |
685 | data->gpio_config[16] = (data->config3 >> 6) & 0x03; | |
686 | ||
687 | value = 0; | |
688 | for (i = 0;i <= 15;++i) { | |
689 | if ((i & 0x03) == 0) { | |
690 | value = adm1026_read_value(client, | |
691 | ADM1026_REG_GPIO_CFG_0_3 + i/4); | |
692 | } | |
693 | data->gpio_config[i] = value & 0x03; | |
694 | value >>= 2; | |
695 | } | |
696 | ||
697 | data->last_config = jiffies; | |
698 | }; /* last_config */ | |
699 | ||
700 | dev_dbg(&client->dev, "Setting VID from GPIO11-15.\n"); | |
701 | data->vid = (data->gpio >> 11) & 0x1f; | |
702 | data->valid = 1; | |
9a61bf63 | 703 | mutex_unlock(&data->update_lock); |
1da177e4 LT |
704 | return data; |
705 | } | |
706 | ||
050480f1 YI |
707 | static ssize_t show_in(struct device *dev, struct device_attribute *attr, |
708 | char *buf) | |
1da177e4 | 709 | { |
050480f1 YI |
710 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); |
711 | int nr = sensor_attr->index; | |
1da177e4 LT |
712 | struct adm1026_data *data = adm1026_update_device(dev); |
713 | return sprintf(buf,"%d\n", INS_FROM_REG(nr, data->in[nr])); | |
714 | } | |
050480f1 YI |
715 | static ssize_t show_in_min(struct device *dev, struct device_attribute *attr, |
716 | char *buf) | |
1da177e4 | 717 | { |
050480f1 YI |
718 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); |
719 | int nr = sensor_attr->index; | |
1da177e4 LT |
720 | struct adm1026_data *data = adm1026_update_device(dev); |
721 | return sprintf(buf,"%d\n", INS_FROM_REG(nr, data->in_min[nr])); | |
722 | } | |
050480f1 YI |
723 | static ssize_t set_in_min(struct device *dev, struct device_attribute *attr, |
724 | const char *buf, size_t count) | |
1da177e4 | 725 | { |
050480f1 YI |
726 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); |
727 | int nr = sensor_attr->index; | |
1da177e4 LT |
728 | struct i2c_client *client = to_i2c_client(dev); |
729 | struct adm1026_data *data = i2c_get_clientdata(client); | |
730 | int val = simple_strtol(buf, NULL, 10); | |
731 | ||
9a61bf63 | 732 | mutex_lock(&data->update_lock); |
1da177e4 LT |
733 | data->in_min[nr] = INS_TO_REG(nr, val); |
734 | adm1026_write_value(client, ADM1026_REG_IN_MIN[nr], data->in_min[nr]); | |
9a61bf63 | 735 | mutex_unlock(&data->update_lock); |
1da177e4 LT |
736 | return count; |
737 | } | |
050480f1 YI |
738 | static ssize_t show_in_max(struct device *dev, struct device_attribute *attr, |
739 | char *buf) | |
1da177e4 | 740 | { |
050480f1 YI |
741 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); |
742 | int nr = sensor_attr->index; | |
1da177e4 LT |
743 | struct adm1026_data *data = adm1026_update_device(dev); |
744 | return sprintf(buf,"%d\n", INS_FROM_REG(nr, data->in_max[nr])); | |
745 | } | |
050480f1 YI |
746 | static ssize_t set_in_max(struct device *dev, struct device_attribute *attr, |
747 | const char *buf, size_t count) | |
1da177e4 | 748 | { |
050480f1 YI |
749 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); |
750 | int nr = sensor_attr->index; | |
1da177e4 LT |
751 | struct i2c_client *client = to_i2c_client(dev); |
752 | struct adm1026_data *data = i2c_get_clientdata(client); | |
753 | int val = simple_strtol(buf, NULL, 10); | |
754 | ||
9a61bf63 | 755 | mutex_lock(&data->update_lock); |
1da177e4 LT |
756 | data->in_max[nr] = INS_TO_REG(nr, val); |
757 | adm1026_write_value(client, ADM1026_REG_IN_MAX[nr], data->in_max[nr]); | |
9a61bf63 | 758 | mutex_unlock(&data->update_lock); |
1da177e4 LT |
759 | return count; |
760 | } | |
761 | ||
050480f1 YI |
762 | #define in_reg(offset) \ |
763 | static SENSOR_DEVICE_ATTR(in##offset##_input, S_IRUGO, show_in, \ | |
764 | NULL, offset); \ | |
765 | static SENSOR_DEVICE_ATTR(in##offset##_min, S_IRUGO | S_IWUSR, \ | |
766 | show_in_min, set_in_min, offset); \ | |
767 | static SENSOR_DEVICE_ATTR(in##offset##_max, S_IRUGO | S_IWUSR, \ | |
768 | show_in_max, set_in_max, offset); | |
1da177e4 LT |
769 | |
770 | ||
771 | in_reg(0); | |
772 | in_reg(1); | |
773 | in_reg(2); | |
774 | in_reg(3); | |
775 | in_reg(4); | |
776 | in_reg(5); | |
777 | in_reg(6); | |
778 | in_reg(7); | |
779 | in_reg(8); | |
780 | in_reg(9); | |
781 | in_reg(10); | |
782 | in_reg(11); | |
783 | in_reg(12); | |
784 | in_reg(13); | |
785 | in_reg(14); | |
786 | in_reg(15); | |
787 | ||
74880c06 | 788 | static ssize_t show_in16(struct device *dev, struct device_attribute *attr, char *buf) |
1da177e4 LT |
789 | { |
790 | struct adm1026_data *data = adm1026_update_device(dev); | |
791 | return sprintf(buf,"%d\n", INS_FROM_REG(16, data->in[16]) - | |
792 | NEG12_OFFSET); | |
793 | } | |
74880c06 | 794 | static ssize_t show_in16_min(struct device *dev, struct device_attribute *attr, char *buf) |
1da177e4 LT |
795 | { |
796 | struct adm1026_data *data = adm1026_update_device(dev); | |
797 | return sprintf(buf,"%d\n", INS_FROM_REG(16, data->in_min[16]) | |
798 | - NEG12_OFFSET); | |
799 | } | |
74880c06 | 800 | static ssize_t set_in16_min(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) |
1da177e4 LT |
801 | { |
802 | struct i2c_client *client = to_i2c_client(dev); | |
803 | struct adm1026_data *data = i2c_get_clientdata(client); | |
804 | int val = simple_strtol(buf, NULL, 10); | |
805 | ||
9a61bf63 | 806 | mutex_lock(&data->update_lock); |
1da177e4 LT |
807 | data->in_min[16] = INS_TO_REG(16, val + NEG12_OFFSET); |
808 | adm1026_write_value(client, ADM1026_REG_IN_MIN[16], data->in_min[16]); | |
9a61bf63 | 809 | mutex_unlock(&data->update_lock); |
1da177e4 LT |
810 | return count; |
811 | } | |
74880c06 | 812 | static ssize_t show_in16_max(struct device *dev, struct device_attribute *attr, char *buf) |
1da177e4 LT |
813 | { |
814 | struct adm1026_data *data = adm1026_update_device(dev); | |
815 | return sprintf(buf,"%d\n", INS_FROM_REG(16, data->in_max[16]) | |
816 | - NEG12_OFFSET); | |
817 | } | |
74880c06 | 818 | static ssize_t set_in16_max(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) |
1da177e4 LT |
819 | { |
820 | struct i2c_client *client = to_i2c_client(dev); | |
821 | struct adm1026_data *data = i2c_get_clientdata(client); | |
822 | int val = simple_strtol(buf, NULL, 10); | |
823 | ||
9a61bf63 | 824 | mutex_lock(&data->update_lock); |
1da177e4 LT |
825 | data->in_max[16] = INS_TO_REG(16, val+NEG12_OFFSET); |
826 | adm1026_write_value(client, ADM1026_REG_IN_MAX[16], data->in_max[16]); | |
9a61bf63 | 827 | mutex_unlock(&data->update_lock); |
1da177e4 LT |
828 | return count; |
829 | } | |
830 | ||
050480f1 YI |
831 | static SENSOR_DEVICE_ATTR(in16_input, S_IRUGO, show_in16, NULL, 16); |
832 | static SENSOR_DEVICE_ATTR(in16_min, S_IRUGO | S_IWUSR, show_in16_min, set_in16_min, 16); | |
833 | static SENSOR_DEVICE_ATTR(in16_max, S_IRUGO | S_IWUSR, show_in16_max, set_in16_max, 16); | |
1da177e4 LT |
834 | |
835 | ||
836 | ||
837 | ||
838 | /* Now add fan read/write functions */ | |
839 | ||
050480f1 YI |
840 | static ssize_t show_fan(struct device *dev, struct device_attribute *attr, |
841 | char *buf) | |
1da177e4 | 842 | { |
050480f1 YI |
843 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); |
844 | int nr = sensor_attr->index; | |
1da177e4 LT |
845 | struct adm1026_data *data = adm1026_update_device(dev); |
846 | return sprintf(buf,"%d\n", FAN_FROM_REG(data->fan[nr], | |
847 | data->fan_div[nr])); | |
848 | } | |
050480f1 YI |
849 | static ssize_t show_fan_min(struct device *dev, struct device_attribute *attr, |
850 | char *buf) | |
1da177e4 | 851 | { |
050480f1 YI |
852 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); |
853 | int nr = sensor_attr->index; | |
1da177e4 LT |
854 | struct adm1026_data *data = adm1026_update_device(dev); |
855 | return sprintf(buf,"%d\n", FAN_FROM_REG(data->fan_min[nr], | |
856 | data->fan_div[nr])); | |
857 | } | |
050480f1 YI |
858 | static ssize_t set_fan_min(struct device *dev, struct device_attribute *attr, |
859 | const char *buf, size_t count) | |
1da177e4 | 860 | { |
050480f1 YI |
861 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); |
862 | int nr = sensor_attr->index; | |
1da177e4 LT |
863 | struct i2c_client *client = to_i2c_client(dev); |
864 | struct adm1026_data *data = i2c_get_clientdata(client); | |
865 | int val = simple_strtol(buf, NULL, 10); | |
866 | ||
9a61bf63 | 867 | mutex_lock(&data->update_lock); |
1da177e4 LT |
868 | data->fan_min[nr] = FAN_TO_REG(val, data->fan_div[nr]); |
869 | adm1026_write_value(client, ADM1026_REG_FAN_MIN(nr), | |
870 | data->fan_min[nr]); | |
9a61bf63 | 871 | mutex_unlock(&data->update_lock); |
1da177e4 LT |
872 | return count; |
873 | } | |
874 | ||
050480f1 YI |
875 | #define fan_offset(offset) \ |
876 | static SENSOR_DEVICE_ATTR(fan##offset##_input, S_IRUGO, show_fan, NULL, \ | |
877 | offset - 1); \ | |
878 | static SENSOR_DEVICE_ATTR(fan##offset##_min, S_IRUGO | S_IWUSR, \ | |
879 | show_fan_min, set_fan_min, offset - 1); | |
1da177e4 LT |
880 | |
881 | fan_offset(1); | |
882 | fan_offset(2); | |
883 | fan_offset(3); | |
884 | fan_offset(4); | |
885 | fan_offset(5); | |
886 | fan_offset(6); | |
887 | fan_offset(7); | |
888 | fan_offset(8); | |
889 | ||
890 | /* Adjust fan_min to account for new fan divisor */ | |
891 | static void fixup_fan_min(struct device *dev, int fan, int old_div) | |
892 | { | |
893 | struct i2c_client *client = to_i2c_client(dev); | |
894 | struct adm1026_data *data = i2c_get_clientdata(client); | |
895 | int new_min; | |
896 | int new_div = data->fan_div[fan]; | |
897 | ||
898 | /* 0 and 0xff are special. Don't adjust them */ | |
899 | if (data->fan_min[fan] == 0 || data->fan_min[fan] == 0xff) { | |
900 | return; | |
901 | } | |
902 | ||
903 | new_min = data->fan_min[fan] * old_div / new_div; | |
904 | new_min = SENSORS_LIMIT(new_min, 1, 254); | |
905 | data->fan_min[fan] = new_min; | |
906 | adm1026_write_value(client, ADM1026_REG_FAN_MIN(fan), new_min); | |
907 | } | |
908 | ||
909 | /* Now add fan_div read/write functions */ | |
050480f1 YI |
910 | static ssize_t show_fan_div(struct device *dev, struct device_attribute *attr, |
911 | char *buf) | |
1da177e4 | 912 | { |
050480f1 YI |
913 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); |
914 | int nr = sensor_attr->index; | |
1da177e4 LT |
915 | struct adm1026_data *data = adm1026_update_device(dev); |
916 | return sprintf(buf,"%d\n", data->fan_div[nr]); | |
917 | } | |
050480f1 YI |
918 | static ssize_t set_fan_div(struct device *dev, struct device_attribute *attr, |
919 | const char *buf, size_t count) | |
1da177e4 | 920 | { |
050480f1 YI |
921 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); |
922 | int nr = sensor_attr->index; | |
1da177e4 LT |
923 | struct i2c_client *client = to_i2c_client(dev); |
924 | struct adm1026_data *data = i2c_get_clientdata(client); | |
925 | int val,orig_div,new_div,shift; | |
926 | ||
927 | val = simple_strtol(buf, NULL, 10); | |
928 | new_div = DIV_TO_REG(val); | |
929 | if (new_div == 0) { | |
930 | return -EINVAL; | |
931 | } | |
9a61bf63 | 932 | mutex_lock(&data->update_lock); |
1da177e4 LT |
933 | orig_div = data->fan_div[nr]; |
934 | data->fan_div[nr] = DIV_FROM_REG(new_div); | |
935 | ||
936 | if (nr < 4) { /* 0 <= nr < 4 */ | |
937 | shift = 2 * nr; | |
938 | adm1026_write_value(client, ADM1026_REG_FAN_DIV_0_3, | |
939 | ((DIV_TO_REG(orig_div) & (~(0x03 << shift))) | | |
940 | (new_div << shift))); | |
941 | } else { /* 3 < nr < 8 */ | |
942 | shift = 2 * (nr - 4); | |
943 | adm1026_write_value(client, ADM1026_REG_FAN_DIV_4_7, | |
944 | ((DIV_TO_REG(orig_div) & (~(0x03 << (2 * shift)))) | | |
945 | (new_div << shift))); | |
946 | } | |
947 | ||
948 | if (data->fan_div[nr] != orig_div) { | |
949 | fixup_fan_min(dev,nr,orig_div); | |
950 | } | |
9a61bf63 | 951 | mutex_unlock(&data->update_lock); |
1da177e4 LT |
952 | return count; |
953 | } | |
954 | ||
955 | #define fan_offset_div(offset) \ | |
050480f1 YI |
956 | static SENSOR_DEVICE_ATTR(fan##offset##_div, S_IRUGO | S_IWUSR, \ |
957 | show_fan_div, set_fan_div, offset - 1); | |
1da177e4 LT |
958 | |
959 | fan_offset_div(1); | |
960 | fan_offset_div(2); | |
961 | fan_offset_div(3); | |
962 | fan_offset_div(4); | |
963 | fan_offset_div(5); | |
964 | fan_offset_div(6); | |
965 | fan_offset_div(7); | |
966 | fan_offset_div(8); | |
967 | ||
968 | /* Temps */ | |
050480f1 YI |
969 | static ssize_t show_temp(struct device *dev, struct device_attribute *attr, |
970 | char *buf) | |
1da177e4 | 971 | { |
050480f1 YI |
972 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); |
973 | int nr = sensor_attr->index; | |
1da177e4 LT |
974 | struct adm1026_data *data = adm1026_update_device(dev); |
975 | return sprintf(buf,"%d\n", TEMP_FROM_REG(data->temp[nr])); | |
976 | } | |
050480f1 YI |
977 | static ssize_t show_temp_min(struct device *dev, struct device_attribute *attr, |
978 | char *buf) | |
1da177e4 | 979 | { |
050480f1 YI |
980 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); |
981 | int nr = sensor_attr->index; | |
1da177e4 LT |
982 | struct adm1026_data *data = adm1026_update_device(dev); |
983 | return sprintf(buf,"%d\n", TEMP_FROM_REG(data->temp_min[nr])); | |
984 | } | |
050480f1 YI |
985 | static ssize_t set_temp_min(struct device *dev, struct device_attribute *attr, |
986 | const char *buf, size_t count) | |
1da177e4 | 987 | { |
050480f1 YI |
988 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); |
989 | int nr = sensor_attr->index; | |
1da177e4 LT |
990 | struct i2c_client *client = to_i2c_client(dev); |
991 | struct adm1026_data *data = i2c_get_clientdata(client); | |
992 | int val = simple_strtol(buf, NULL, 10); | |
993 | ||
9a61bf63 | 994 | mutex_lock(&data->update_lock); |
1da177e4 LT |
995 | data->temp_min[nr] = TEMP_TO_REG(val); |
996 | adm1026_write_value(client, ADM1026_REG_TEMP_MIN[nr], | |
997 | data->temp_min[nr]); | |
9a61bf63 | 998 | mutex_unlock(&data->update_lock); |
1da177e4 LT |
999 | return count; |
1000 | } | |
050480f1 YI |
1001 | static ssize_t show_temp_max(struct device *dev, struct device_attribute *attr, |
1002 | char *buf) | |
1da177e4 | 1003 | { |
050480f1 YI |
1004 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); |
1005 | int nr = sensor_attr->index; | |
1da177e4 LT |
1006 | struct adm1026_data *data = adm1026_update_device(dev); |
1007 | return sprintf(buf,"%d\n", TEMP_FROM_REG(data->temp_max[nr])); | |
1008 | } | |
050480f1 YI |
1009 | static ssize_t set_temp_max(struct device *dev, struct device_attribute *attr, |
1010 | const char *buf, size_t count) | |
1da177e4 | 1011 | { |
050480f1 YI |
1012 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); |
1013 | int nr = sensor_attr->index; | |
1da177e4 LT |
1014 | struct i2c_client *client = to_i2c_client(dev); |
1015 | struct adm1026_data *data = i2c_get_clientdata(client); | |
1016 | int val = simple_strtol(buf, NULL, 10); | |
1017 | ||
9a61bf63 | 1018 | mutex_lock(&data->update_lock); |
1da177e4 LT |
1019 | data->temp_max[nr] = TEMP_TO_REG(val); |
1020 | adm1026_write_value(client, ADM1026_REG_TEMP_MAX[nr], | |
1021 | data->temp_max[nr]); | |
9a61bf63 | 1022 | mutex_unlock(&data->update_lock); |
1da177e4 LT |
1023 | return count; |
1024 | } | |
050480f1 YI |
1025 | |
1026 | #define temp_reg(offset) \ | |
1027 | static SENSOR_DEVICE_ATTR(temp##offset##_input, S_IRUGO, show_temp, \ | |
1028 | NULL, offset - 1); \ | |
1029 | static SENSOR_DEVICE_ATTR(temp##offset##_min, S_IRUGO | S_IWUSR, \ | |
1030 | show_temp_min, set_temp_min, offset - 1); \ | |
1031 | static SENSOR_DEVICE_ATTR(temp##offset##_max, S_IRUGO | S_IWUSR, \ | |
1032 | show_temp_max, set_temp_max, offset - 1); | |
1da177e4 LT |
1033 | |
1034 | ||
1035 | temp_reg(1); | |
1036 | temp_reg(2); | |
1037 | temp_reg(3); | |
1038 | ||
050480f1 YI |
1039 | static ssize_t show_temp_offset(struct device *dev, |
1040 | struct device_attribute *attr, char *buf) | |
1da177e4 | 1041 | { |
050480f1 YI |
1042 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); |
1043 | int nr = sensor_attr->index; | |
1da177e4 LT |
1044 | struct adm1026_data *data = adm1026_update_device(dev); |
1045 | return sprintf(buf,"%d\n", TEMP_FROM_REG(data->temp_offset[nr])); | |
1046 | } | |
050480f1 YI |
1047 | static ssize_t set_temp_offset(struct device *dev, |
1048 | struct device_attribute *attr, const char *buf, | |
1049 | size_t count) | |
1da177e4 | 1050 | { |
050480f1 YI |
1051 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); |
1052 | int nr = sensor_attr->index; | |
1da177e4 LT |
1053 | struct i2c_client *client = to_i2c_client(dev); |
1054 | struct adm1026_data *data = i2c_get_clientdata(client); | |
1055 | int val = simple_strtol(buf, NULL, 10); | |
1056 | ||
9a61bf63 | 1057 | mutex_lock(&data->update_lock); |
1da177e4 LT |
1058 | data->temp_offset[nr] = TEMP_TO_REG(val); |
1059 | adm1026_write_value(client, ADM1026_REG_TEMP_OFFSET[nr], | |
1060 | data->temp_offset[nr]); | |
9a61bf63 | 1061 | mutex_unlock(&data->update_lock); |
1da177e4 LT |
1062 | return count; |
1063 | } | |
1064 | ||
050480f1 YI |
1065 | #define temp_offset_reg(offset) \ |
1066 | static SENSOR_DEVICE_ATTR(temp##offset##_offset, S_IRUGO | S_IWUSR, \ | |
1067 | show_temp_offset, set_temp_offset, offset - 1); | |
1da177e4 LT |
1068 | |
1069 | temp_offset_reg(1); | |
1070 | temp_offset_reg(2); | |
1071 | temp_offset_reg(3); | |
1072 | ||
050480f1 YI |
1073 | static ssize_t show_temp_auto_point1_temp_hyst(struct device *dev, |
1074 | struct device_attribute *attr, char *buf) | |
1da177e4 | 1075 | { |
050480f1 YI |
1076 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); |
1077 | int nr = sensor_attr->index; | |
1da177e4 LT |
1078 | struct adm1026_data *data = adm1026_update_device(dev); |
1079 | return sprintf(buf,"%d\n", TEMP_FROM_REG( | |
1080 | ADM1026_FAN_ACTIVATION_TEMP_HYST + data->temp_tmin[nr])); | |
1081 | } | |
050480f1 YI |
1082 | static ssize_t show_temp_auto_point2_temp(struct device *dev, |
1083 | struct device_attribute *attr, char *buf) | |
1da177e4 | 1084 | { |
050480f1 YI |
1085 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); |
1086 | int nr = sensor_attr->index; | |
1da177e4 LT |
1087 | struct adm1026_data *data = adm1026_update_device(dev); |
1088 | return sprintf(buf,"%d\n", TEMP_FROM_REG(data->temp_tmin[nr] + | |
1089 | ADM1026_FAN_CONTROL_TEMP_RANGE)); | |
1090 | } | |
050480f1 YI |
1091 | static ssize_t show_temp_auto_point1_temp(struct device *dev, |
1092 | struct device_attribute *attr, char *buf) | |
1da177e4 | 1093 | { |
050480f1 YI |
1094 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); |
1095 | int nr = sensor_attr->index; | |
1da177e4 LT |
1096 | struct adm1026_data *data = adm1026_update_device(dev); |
1097 | return sprintf(buf,"%d\n", TEMP_FROM_REG(data->temp_tmin[nr])); | |
1098 | } | |
050480f1 YI |
1099 | static ssize_t set_temp_auto_point1_temp(struct device *dev, |
1100 | struct device_attribute *attr, const char *buf, size_t count) | |
1da177e4 | 1101 | { |
050480f1 YI |
1102 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); |
1103 | int nr = sensor_attr->index; | |
1da177e4 LT |
1104 | struct i2c_client *client = to_i2c_client(dev); |
1105 | struct adm1026_data *data = i2c_get_clientdata(client); | |
1106 | int val = simple_strtol(buf, NULL, 10); | |
1107 | ||
9a61bf63 | 1108 | mutex_lock(&data->update_lock); |
1da177e4 LT |
1109 | data->temp_tmin[nr] = TEMP_TO_REG(val); |
1110 | adm1026_write_value(client, ADM1026_REG_TEMP_TMIN[nr], | |
1111 | data->temp_tmin[nr]); | |
9a61bf63 | 1112 | mutex_unlock(&data->update_lock); |
1da177e4 LT |
1113 | return count; |
1114 | } | |
1115 | ||
050480f1 YI |
1116 | #define temp_auto_point(offset) \ |
1117 | static SENSOR_DEVICE_ATTR(temp##offset##_auto_point1_temp, S_IRUGO | S_IWUSR, \ | |
1118 | show_temp_auto_point1_temp, set_temp_auto_point1_temp, \ | |
1119 | offset - 1); \ | |
1120 | static SENSOR_DEVICE_ATTR(temp##offset##_auto_point1_temp_hyst, S_IRUGO, \ | |
1121 | show_temp_auto_point1_temp_hyst, NULL, offset - 1); \ | |
1122 | static SENSOR_DEVICE_ATTR(temp##offset##_auto_point2_temp, S_IRUGO, \ | |
1123 | show_temp_auto_point2_temp, NULL, offset - 1); | |
1da177e4 LT |
1124 | |
1125 | temp_auto_point(1); | |
1126 | temp_auto_point(2); | |
1127 | temp_auto_point(3); | |
1128 | ||
050480f1 YI |
1129 | static ssize_t show_temp_crit_enable(struct device *dev, |
1130 | struct device_attribute *attr, char *buf) | |
1da177e4 LT |
1131 | { |
1132 | struct adm1026_data *data = adm1026_update_device(dev); | |
1133 | return sprintf(buf,"%d\n", (data->config1 & CFG1_THERM_HOT) >> 4); | |
1134 | } | |
050480f1 YI |
1135 | static ssize_t set_temp_crit_enable(struct device *dev, |
1136 | struct device_attribute *attr, const char *buf, size_t count) | |
1da177e4 LT |
1137 | { |
1138 | struct i2c_client *client = to_i2c_client(dev); | |
1139 | struct adm1026_data *data = i2c_get_clientdata(client); | |
1140 | int val = simple_strtol(buf, NULL, 10); | |
1141 | ||
1142 | if ((val == 1) || (val==0)) { | |
9a61bf63 | 1143 | mutex_lock(&data->update_lock); |
1da177e4 LT |
1144 | data->config1 = (data->config1 & ~CFG1_THERM_HOT) | (val << 4); |
1145 | adm1026_write_value(client, ADM1026_REG_CONFIG1, | |
1146 | data->config1); | |
9a61bf63 | 1147 | mutex_unlock(&data->update_lock); |
1da177e4 LT |
1148 | } |
1149 | return count; | |
1150 | } | |
1151 | ||
050480f1 YI |
1152 | #define temp_crit_enable(offset) \ |
1153 | static DEVICE_ATTR(temp##offset##_crit_enable, S_IRUGO | S_IWUSR, \ | |
1da177e4 LT |
1154 | show_temp_crit_enable, set_temp_crit_enable); |
1155 | ||
050480f1 YI |
1156 | temp_crit_enable(1); |
1157 | temp_crit_enable(2); | |
1158 | temp_crit_enable(3); | |
1da177e4 | 1159 | |
050480f1 YI |
1160 | static ssize_t show_temp_crit(struct device *dev, |
1161 | struct device_attribute *attr, char *buf) | |
1da177e4 | 1162 | { |
050480f1 YI |
1163 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); |
1164 | int nr = sensor_attr->index; | |
1da177e4 LT |
1165 | struct adm1026_data *data = adm1026_update_device(dev); |
1166 | return sprintf(buf,"%d\n", TEMP_FROM_REG(data->temp_crit[nr])); | |
1167 | } | |
050480f1 YI |
1168 | static ssize_t set_temp_crit(struct device *dev, struct device_attribute *attr, |
1169 | const char *buf, size_t count) | |
1da177e4 | 1170 | { |
050480f1 YI |
1171 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); |
1172 | int nr = sensor_attr->index; | |
1da177e4 LT |
1173 | struct i2c_client *client = to_i2c_client(dev); |
1174 | struct adm1026_data *data = i2c_get_clientdata(client); | |
1175 | int val = simple_strtol(buf, NULL, 10); | |
1176 | ||
9a61bf63 | 1177 | mutex_lock(&data->update_lock); |
1da177e4 LT |
1178 | data->temp_crit[nr] = TEMP_TO_REG(val); |
1179 | adm1026_write_value(client, ADM1026_REG_TEMP_THERM[nr], | |
1180 | data->temp_crit[nr]); | |
9a61bf63 | 1181 | mutex_unlock(&data->update_lock); |
1da177e4 LT |
1182 | return count; |
1183 | } | |
1184 | ||
050480f1 YI |
1185 | #define temp_crit_reg(offset) \ |
1186 | static SENSOR_DEVICE_ATTR(temp##offset##_crit, S_IRUGO | S_IWUSR, \ | |
1187 | show_temp_crit, set_temp_crit, offset - 1); | |
1da177e4 LT |
1188 | |
1189 | temp_crit_reg(1); | |
1190 | temp_crit_reg(2); | |
1191 | temp_crit_reg(3); | |
1192 | ||
74880c06 | 1193 | static ssize_t show_analog_out_reg(struct device *dev, struct device_attribute *attr, char *buf) |
1da177e4 LT |
1194 | { |
1195 | struct adm1026_data *data = adm1026_update_device(dev); | |
1196 | return sprintf(buf,"%d\n", DAC_FROM_REG(data->analog_out)); | |
1197 | } | |
74880c06 | 1198 | static ssize_t set_analog_out_reg(struct device *dev, struct device_attribute *attr, const char *buf, |
1da177e4 LT |
1199 | size_t count) |
1200 | { | |
1201 | struct i2c_client *client = to_i2c_client(dev); | |
1202 | struct adm1026_data *data = i2c_get_clientdata(client); | |
1203 | int val = simple_strtol(buf, NULL, 10); | |
1204 | ||
9a61bf63 | 1205 | mutex_lock(&data->update_lock); |
1da177e4 LT |
1206 | data->analog_out = DAC_TO_REG(val); |
1207 | adm1026_write_value(client, ADM1026_REG_DAC, data->analog_out); | |
9a61bf63 | 1208 | mutex_unlock(&data->update_lock); |
1da177e4 LT |
1209 | return count; |
1210 | } | |
1211 | ||
1212 | static DEVICE_ATTR(analog_out, S_IRUGO | S_IWUSR, show_analog_out_reg, | |
1213 | set_analog_out_reg); | |
1214 | ||
74880c06 | 1215 | static ssize_t show_vid_reg(struct device *dev, struct device_attribute *attr, char *buf) |
1da177e4 LT |
1216 | { |
1217 | struct adm1026_data *data = adm1026_update_device(dev); | |
1218 | return sprintf(buf,"%d\n", vid_from_reg(data->vid & 0x3f, data->vrm)); | |
1219 | } | |
937df8df | 1220 | static DEVICE_ATTR(cpu0_vid, S_IRUGO, show_vid_reg, NULL); |
1da177e4 | 1221 | |
74880c06 | 1222 | static ssize_t show_vrm_reg(struct device *dev, struct device_attribute *attr, char *buf) |
1da177e4 LT |
1223 | { |
1224 | struct adm1026_data *data = adm1026_update_device(dev); | |
1225 | return sprintf(buf,"%d\n", data->vrm); | |
1226 | } | |
74880c06 | 1227 | static ssize_t store_vrm_reg(struct device *dev, struct device_attribute *attr, const char *buf, |
1da177e4 LT |
1228 | size_t count) |
1229 | { | |
1230 | struct i2c_client *client = to_i2c_client(dev); | |
1231 | struct adm1026_data *data = i2c_get_clientdata(client); | |
1232 | ||
1233 | data->vrm = simple_strtol(buf, NULL, 10); | |
1234 | return count; | |
1235 | } | |
1236 | ||
1237 | static DEVICE_ATTR(vrm, S_IRUGO | S_IWUSR, show_vrm_reg, store_vrm_reg); | |
1238 | ||
74880c06 | 1239 | static ssize_t show_alarms_reg(struct device *dev, struct device_attribute *attr, char *buf) |
1da177e4 LT |
1240 | { |
1241 | struct adm1026_data *data = adm1026_update_device(dev); | |
1242 | return sprintf(buf, "%ld\n", (long) (data->alarms)); | |
1243 | } | |
1244 | ||
1245 | static DEVICE_ATTR(alarms, S_IRUGO, show_alarms_reg, NULL); | |
1246 | ||
74880c06 | 1247 | static ssize_t show_alarm_mask(struct device *dev, struct device_attribute *attr, char *buf) |
1da177e4 LT |
1248 | { |
1249 | struct adm1026_data *data = adm1026_update_device(dev); | |
1250 | return sprintf(buf,"%ld\n", data->alarm_mask); | |
1251 | } | |
74880c06 | 1252 | static ssize_t set_alarm_mask(struct device *dev, struct device_attribute *attr, const char *buf, |
1da177e4 LT |
1253 | size_t count) |
1254 | { | |
1255 | struct i2c_client *client = to_i2c_client(dev); | |
1256 | struct adm1026_data *data = i2c_get_clientdata(client); | |
1257 | int val = simple_strtol(buf, NULL, 10); | |
1258 | unsigned long mask; | |
1259 | ||
9a61bf63 | 1260 | mutex_lock(&data->update_lock); |
1da177e4 LT |
1261 | data->alarm_mask = val & 0x7fffffff; |
1262 | mask = data->alarm_mask | |
1263 | | (data->gpio_mask & 0x10000 ? 0x80000000 : 0); | |
1264 | adm1026_write_value(client, ADM1026_REG_MASK1, | |
1265 | mask & 0xff); | |
1266 | mask >>= 8; | |
1267 | adm1026_write_value(client, ADM1026_REG_MASK2, | |
1268 | mask & 0xff); | |
1269 | mask >>= 8; | |
1270 | adm1026_write_value(client, ADM1026_REG_MASK3, | |
1271 | mask & 0xff); | |
1272 | mask >>= 8; | |
1273 | adm1026_write_value(client, ADM1026_REG_MASK4, | |
1274 | mask & 0xff); | |
9a61bf63 | 1275 | mutex_unlock(&data->update_lock); |
1da177e4 LT |
1276 | return count; |
1277 | } | |
1278 | ||
1279 | static DEVICE_ATTR(alarm_mask, S_IRUGO | S_IWUSR, show_alarm_mask, | |
1280 | set_alarm_mask); | |
1281 | ||
1282 | ||
74880c06 | 1283 | static ssize_t show_gpio(struct device *dev, struct device_attribute *attr, char *buf) |
1da177e4 LT |
1284 | { |
1285 | struct adm1026_data *data = adm1026_update_device(dev); | |
1286 | return sprintf(buf,"%ld\n", data->gpio); | |
1287 | } | |
74880c06 | 1288 | static ssize_t set_gpio(struct device *dev, struct device_attribute *attr, const char *buf, |
1da177e4 LT |
1289 | size_t count) |
1290 | { | |
1291 | struct i2c_client *client = to_i2c_client(dev); | |
1292 | struct adm1026_data *data = i2c_get_clientdata(client); | |
1293 | int val = simple_strtol(buf, NULL, 10); | |
1294 | long gpio; | |
1295 | ||
9a61bf63 | 1296 | mutex_lock(&data->update_lock); |
1da177e4 LT |
1297 | data->gpio = val & 0x1ffff; |
1298 | gpio = data->gpio; | |
1299 | adm1026_write_value(client, ADM1026_REG_GPIO_STATUS_0_7,gpio & 0xff); | |
1300 | gpio >>= 8; | |
1301 | adm1026_write_value(client, ADM1026_REG_GPIO_STATUS_8_15,gpio & 0xff); | |
1302 | gpio = ((gpio >> 1) & 0x80) | (data->alarms >> 24 & 0x7f); | |
1303 | adm1026_write_value(client, ADM1026_REG_STATUS4,gpio & 0xff); | |
9a61bf63 | 1304 | mutex_unlock(&data->update_lock); |
1da177e4 LT |
1305 | return count; |
1306 | } | |
1307 | ||
1308 | static DEVICE_ATTR(gpio, S_IRUGO | S_IWUSR, show_gpio, set_gpio); | |
1309 | ||
1310 | ||
74880c06 | 1311 | static ssize_t show_gpio_mask(struct device *dev, struct device_attribute *attr, char *buf) |
1da177e4 LT |
1312 | { |
1313 | struct adm1026_data *data = adm1026_update_device(dev); | |
1314 | return sprintf(buf,"%ld\n", data->gpio_mask); | |
1315 | } | |
74880c06 | 1316 | static ssize_t set_gpio_mask(struct device *dev, struct device_attribute *attr, const char *buf, |
1da177e4 LT |
1317 | size_t count) |
1318 | { | |
1319 | struct i2c_client *client = to_i2c_client(dev); | |
1320 | struct adm1026_data *data = i2c_get_clientdata(client); | |
1321 | int val = simple_strtol(buf, NULL, 10); | |
1322 | long mask; | |
1323 | ||
9a61bf63 | 1324 | mutex_lock(&data->update_lock); |
1da177e4 LT |
1325 | data->gpio_mask = val & 0x1ffff; |
1326 | mask = data->gpio_mask; | |
1327 | adm1026_write_value(client, ADM1026_REG_GPIO_MASK_0_7,mask & 0xff); | |
1328 | mask >>= 8; | |
1329 | adm1026_write_value(client, ADM1026_REG_GPIO_MASK_8_15,mask & 0xff); | |
1330 | mask = ((mask >> 1) & 0x80) | (data->alarm_mask >> 24 & 0x7f); | |
1331 | adm1026_write_value(client, ADM1026_REG_MASK1,mask & 0xff); | |
9a61bf63 | 1332 | mutex_unlock(&data->update_lock); |
1da177e4 LT |
1333 | return count; |
1334 | } | |
1335 | ||
1336 | static DEVICE_ATTR(gpio_mask, S_IRUGO | S_IWUSR, show_gpio_mask, set_gpio_mask); | |
1337 | ||
74880c06 | 1338 | static ssize_t show_pwm_reg(struct device *dev, struct device_attribute *attr, char *buf) |
1da177e4 LT |
1339 | { |
1340 | struct adm1026_data *data = adm1026_update_device(dev); | |
1341 | return sprintf(buf,"%d\n", PWM_FROM_REG(data->pwm1.pwm)); | |
1342 | } | |
74880c06 | 1343 | static ssize_t set_pwm_reg(struct device *dev, struct device_attribute *attr, const char *buf, |
1da177e4 LT |
1344 | size_t count) |
1345 | { | |
1346 | struct i2c_client *client = to_i2c_client(dev); | |
1347 | struct adm1026_data *data = i2c_get_clientdata(client); | |
1348 | ||
1349 | if (data->pwm1.enable == 1) { | |
1350 | int val = simple_strtol(buf, NULL, 10); | |
1351 | ||
9a61bf63 | 1352 | mutex_lock(&data->update_lock); |
1da177e4 LT |
1353 | data->pwm1.pwm = PWM_TO_REG(val); |
1354 | adm1026_write_value(client, ADM1026_REG_PWM, data->pwm1.pwm); | |
9a61bf63 | 1355 | mutex_unlock(&data->update_lock); |
1da177e4 LT |
1356 | } |
1357 | return count; | |
1358 | } | |
74880c06 | 1359 | static ssize_t show_auto_pwm_min(struct device *dev, struct device_attribute *attr, char *buf) |
1da177e4 LT |
1360 | { |
1361 | struct adm1026_data *data = adm1026_update_device(dev); | |
1362 | return sprintf(buf,"%d\n", data->pwm1.auto_pwm_min); | |
1363 | } | |
74880c06 | 1364 | static ssize_t set_auto_pwm_min(struct device *dev, struct device_attribute *attr, const char *buf, |
1da177e4 LT |
1365 | size_t count) |
1366 | { | |
1367 | struct i2c_client *client = to_i2c_client(dev); | |
1368 | struct adm1026_data *data = i2c_get_clientdata(client); | |
1369 | int val = simple_strtol(buf, NULL, 10); | |
1370 | ||
9a61bf63 | 1371 | mutex_lock(&data->update_lock); |
1da177e4 LT |
1372 | data->pwm1.auto_pwm_min = SENSORS_LIMIT(val,0,255); |
1373 | if (data->pwm1.enable == 2) { /* apply immediately */ | |
1374 | data->pwm1.pwm = PWM_TO_REG((data->pwm1.pwm & 0x0f) | | |
1375 | PWM_MIN_TO_REG(data->pwm1.auto_pwm_min)); | |
1376 | adm1026_write_value(client, ADM1026_REG_PWM, data->pwm1.pwm); | |
1377 | } | |
9a61bf63 | 1378 | mutex_unlock(&data->update_lock); |
1da177e4 LT |
1379 | return count; |
1380 | } | |
74880c06 | 1381 | static ssize_t show_auto_pwm_max(struct device *dev, struct device_attribute *attr, char *buf) |
1da177e4 LT |
1382 | { |
1383 | return sprintf(buf,"%d\n", ADM1026_PWM_MAX); | |
1384 | } | |
74880c06 | 1385 | static ssize_t show_pwm_enable(struct device *dev, struct device_attribute *attr, char *buf) |
1da177e4 LT |
1386 | { |
1387 | struct adm1026_data *data = adm1026_update_device(dev); | |
1388 | return sprintf(buf,"%d\n", data->pwm1.enable); | |
1389 | } | |
74880c06 | 1390 | static ssize_t set_pwm_enable(struct device *dev, struct device_attribute *attr, const char *buf, |
1da177e4 LT |
1391 | size_t count) |
1392 | { | |
1393 | struct i2c_client *client = to_i2c_client(dev); | |
1394 | struct adm1026_data *data = i2c_get_clientdata(client); | |
1395 | int val = simple_strtol(buf, NULL, 10); | |
1396 | int old_enable; | |
1397 | ||
1398 | if ((val >= 0) && (val < 3)) { | |
9a61bf63 | 1399 | mutex_lock(&data->update_lock); |
1da177e4 LT |
1400 | old_enable = data->pwm1.enable; |
1401 | data->pwm1.enable = val; | |
1402 | data->config1 = (data->config1 & ~CFG1_PWM_AFC) | |
1403 | | ((val == 2) ? CFG1_PWM_AFC : 0); | |
1404 | adm1026_write_value(client, ADM1026_REG_CONFIG1, | |
1405 | data->config1); | |
1406 | if (val == 2) { /* apply pwm1_auto_pwm_min to pwm1 */ | |
1407 | data->pwm1.pwm = PWM_TO_REG((data->pwm1.pwm & 0x0f) | | |
1408 | PWM_MIN_TO_REG(data->pwm1.auto_pwm_min)); | |
1409 | adm1026_write_value(client, ADM1026_REG_PWM, | |
1410 | data->pwm1.pwm); | |
1411 | } else if (!((old_enable == 1) && (val == 1))) { | |
1412 | /* set pwm to safe value */ | |
1413 | data->pwm1.pwm = 255; | |
1414 | adm1026_write_value(client, ADM1026_REG_PWM, | |
1415 | data->pwm1.pwm); | |
1416 | } | |
9a61bf63 | 1417 | mutex_unlock(&data->update_lock); |
1da177e4 LT |
1418 | } |
1419 | return count; | |
1420 | } | |
1421 | ||
1422 | /* enable PWM fan control */ | |
1423 | static DEVICE_ATTR(pwm1, S_IRUGO | S_IWUSR, show_pwm_reg, set_pwm_reg); | |
1424 | static DEVICE_ATTR(pwm2, S_IRUGO | S_IWUSR, show_pwm_reg, set_pwm_reg); | |
1425 | static DEVICE_ATTR(pwm3, S_IRUGO | S_IWUSR, show_pwm_reg, set_pwm_reg); | |
1426 | static DEVICE_ATTR(pwm1_enable, S_IRUGO | S_IWUSR, show_pwm_enable, | |
1427 | set_pwm_enable); | |
1428 | static DEVICE_ATTR(pwm2_enable, S_IRUGO | S_IWUSR, show_pwm_enable, | |
1429 | set_pwm_enable); | |
1430 | static DEVICE_ATTR(pwm3_enable, S_IRUGO | S_IWUSR, show_pwm_enable, | |
1431 | set_pwm_enable); | |
1432 | static DEVICE_ATTR(temp1_auto_point1_pwm, S_IRUGO | S_IWUSR, | |
1433 | show_auto_pwm_min, set_auto_pwm_min); | |
1434 | static DEVICE_ATTR(temp2_auto_point1_pwm, S_IRUGO | S_IWUSR, | |
1435 | show_auto_pwm_min, set_auto_pwm_min); | |
1436 | static DEVICE_ATTR(temp3_auto_point1_pwm, S_IRUGO | S_IWUSR, | |
1437 | show_auto_pwm_min, set_auto_pwm_min); | |
1438 | ||
1439 | static DEVICE_ATTR(temp1_auto_point2_pwm, S_IRUGO, show_auto_pwm_max, NULL); | |
1440 | static DEVICE_ATTR(temp2_auto_point2_pwm, S_IRUGO, show_auto_pwm_max, NULL); | |
1441 | static DEVICE_ATTR(temp3_auto_point2_pwm, S_IRUGO, show_auto_pwm_max, NULL); | |
1442 | ||
681c6f7a MH |
1443 | static struct attribute *adm1026_attributes[] = { |
1444 | &sensor_dev_attr_in0_input.dev_attr.attr, | |
1445 | &sensor_dev_attr_in0_max.dev_attr.attr, | |
1446 | &sensor_dev_attr_in0_min.dev_attr.attr, | |
1447 | &sensor_dev_attr_in1_input.dev_attr.attr, | |
1448 | &sensor_dev_attr_in1_max.dev_attr.attr, | |
1449 | &sensor_dev_attr_in1_min.dev_attr.attr, | |
1450 | &sensor_dev_attr_in2_input.dev_attr.attr, | |
1451 | &sensor_dev_attr_in2_max.dev_attr.attr, | |
1452 | &sensor_dev_attr_in2_min.dev_attr.attr, | |
1453 | &sensor_dev_attr_in3_input.dev_attr.attr, | |
1454 | &sensor_dev_attr_in3_max.dev_attr.attr, | |
1455 | &sensor_dev_attr_in3_min.dev_attr.attr, | |
1456 | &sensor_dev_attr_in4_input.dev_attr.attr, | |
1457 | &sensor_dev_attr_in4_max.dev_attr.attr, | |
1458 | &sensor_dev_attr_in4_min.dev_attr.attr, | |
1459 | &sensor_dev_attr_in5_input.dev_attr.attr, | |
1460 | &sensor_dev_attr_in5_max.dev_attr.attr, | |
1461 | &sensor_dev_attr_in5_min.dev_attr.attr, | |
1462 | &sensor_dev_attr_in6_input.dev_attr.attr, | |
1463 | &sensor_dev_attr_in6_max.dev_attr.attr, | |
1464 | &sensor_dev_attr_in6_min.dev_attr.attr, | |
1465 | &sensor_dev_attr_in7_input.dev_attr.attr, | |
1466 | &sensor_dev_attr_in7_max.dev_attr.attr, | |
1467 | &sensor_dev_attr_in7_min.dev_attr.attr, | |
1468 | &sensor_dev_attr_in8_input.dev_attr.attr, | |
1469 | &sensor_dev_attr_in8_max.dev_attr.attr, | |
1470 | &sensor_dev_attr_in8_min.dev_attr.attr, | |
1471 | &sensor_dev_attr_in9_input.dev_attr.attr, | |
1472 | &sensor_dev_attr_in9_max.dev_attr.attr, | |
1473 | &sensor_dev_attr_in9_min.dev_attr.attr, | |
1474 | &sensor_dev_attr_in10_input.dev_attr.attr, | |
1475 | &sensor_dev_attr_in10_max.dev_attr.attr, | |
1476 | &sensor_dev_attr_in10_min.dev_attr.attr, | |
1477 | &sensor_dev_attr_in11_input.dev_attr.attr, | |
1478 | &sensor_dev_attr_in11_max.dev_attr.attr, | |
1479 | &sensor_dev_attr_in11_min.dev_attr.attr, | |
1480 | &sensor_dev_attr_in12_input.dev_attr.attr, | |
1481 | &sensor_dev_attr_in12_max.dev_attr.attr, | |
1482 | &sensor_dev_attr_in12_min.dev_attr.attr, | |
1483 | &sensor_dev_attr_in13_input.dev_attr.attr, | |
1484 | &sensor_dev_attr_in13_max.dev_attr.attr, | |
1485 | &sensor_dev_attr_in13_min.dev_attr.attr, | |
1486 | &sensor_dev_attr_in14_input.dev_attr.attr, | |
1487 | &sensor_dev_attr_in14_max.dev_attr.attr, | |
1488 | &sensor_dev_attr_in14_min.dev_attr.attr, | |
1489 | &sensor_dev_attr_in15_input.dev_attr.attr, | |
1490 | &sensor_dev_attr_in15_max.dev_attr.attr, | |
1491 | &sensor_dev_attr_in15_min.dev_attr.attr, | |
1492 | &sensor_dev_attr_in16_input.dev_attr.attr, | |
1493 | &sensor_dev_attr_in16_max.dev_attr.attr, | |
1494 | &sensor_dev_attr_in16_min.dev_attr.attr, | |
1495 | &sensor_dev_attr_fan1_input.dev_attr.attr, | |
1496 | &sensor_dev_attr_fan1_div.dev_attr.attr, | |
1497 | &sensor_dev_attr_fan1_min.dev_attr.attr, | |
1498 | &sensor_dev_attr_fan2_input.dev_attr.attr, | |
1499 | &sensor_dev_attr_fan2_div.dev_attr.attr, | |
1500 | &sensor_dev_attr_fan2_min.dev_attr.attr, | |
1501 | &sensor_dev_attr_fan3_input.dev_attr.attr, | |
1502 | &sensor_dev_attr_fan3_div.dev_attr.attr, | |
1503 | &sensor_dev_attr_fan3_min.dev_attr.attr, | |
1504 | &sensor_dev_attr_fan4_input.dev_attr.attr, | |
1505 | &sensor_dev_attr_fan4_div.dev_attr.attr, | |
1506 | &sensor_dev_attr_fan4_min.dev_attr.attr, | |
1507 | &sensor_dev_attr_fan5_input.dev_attr.attr, | |
1508 | &sensor_dev_attr_fan5_div.dev_attr.attr, | |
1509 | &sensor_dev_attr_fan5_min.dev_attr.attr, | |
1510 | &sensor_dev_attr_fan6_input.dev_attr.attr, | |
1511 | &sensor_dev_attr_fan6_div.dev_attr.attr, | |
1512 | &sensor_dev_attr_fan6_min.dev_attr.attr, | |
1513 | &sensor_dev_attr_fan7_input.dev_attr.attr, | |
1514 | &sensor_dev_attr_fan7_div.dev_attr.attr, | |
1515 | &sensor_dev_attr_fan7_min.dev_attr.attr, | |
1516 | &sensor_dev_attr_fan8_input.dev_attr.attr, | |
1517 | &sensor_dev_attr_fan8_div.dev_attr.attr, | |
1518 | &sensor_dev_attr_fan8_min.dev_attr.attr, | |
1519 | &sensor_dev_attr_temp1_input.dev_attr.attr, | |
1520 | &sensor_dev_attr_temp1_max.dev_attr.attr, | |
1521 | &sensor_dev_attr_temp1_min.dev_attr.attr, | |
1522 | &sensor_dev_attr_temp2_input.dev_attr.attr, | |
1523 | &sensor_dev_attr_temp2_max.dev_attr.attr, | |
1524 | &sensor_dev_attr_temp2_min.dev_attr.attr, | |
1525 | &sensor_dev_attr_temp3_input.dev_attr.attr, | |
1526 | &sensor_dev_attr_temp3_max.dev_attr.attr, | |
1527 | &sensor_dev_attr_temp3_min.dev_attr.attr, | |
1528 | &sensor_dev_attr_temp1_offset.dev_attr.attr, | |
1529 | &sensor_dev_attr_temp2_offset.dev_attr.attr, | |
1530 | &sensor_dev_attr_temp3_offset.dev_attr.attr, | |
1531 | &sensor_dev_attr_temp1_auto_point1_temp.dev_attr.attr, | |
1532 | &sensor_dev_attr_temp2_auto_point1_temp.dev_attr.attr, | |
1533 | &sensor_dev_attr_temp3_auto_point1_temp.dev_attr.attr, | |
1534 | &sensor_dev_attr_temp1_auto_point1_temp_hyst.dev_attr.attr, | |
1535 | &sensor_dev_attr_temp2_auto_point1_temp_hyst.dev_attr.attr, | |
1536 | &sensor_dev_attr_temp3_auto_point1_temp_hyst.dev_attr.attr, | |
1537 | &sensor_dev_attr_temp1_auto_point2_temp.dev_attr.attr, | |
1538 | &sensor_dev_attr_temp2_auto_point2_temp.dev_attr.attr, | |
1539 | &sensor_dev_attr_temp3_auto_point2_temp.dev_attr.attr, | |
1540 | &sensor_dev_attr_temp1_crit.dev_attr.attr, | |
1541 | &sensor_dev_attr_temp2_crit.dev_attr.attr, | |
1542 | &sensor_dev_attr_temp3_crit.dev_attr.attr, | |
1543 | &dev_attr_temp1_crit_enable.attr, | |
1544 | &dev_attr_temp2_crit_enable.attr, | |
1545 | &dev_attr_temp3_crit_enable.attr, | |
1546 | &dev_attr_cpu0_vid.attr, | |
1547 | &dev_attr_vrm.attr, | |
1548 | &dev_attr_alarms.attr, | |
1549 | &dev_attr_alarm_mask.attr, | |
1550 | &dev_attr_gpio.attr, | |
1551 | &dev_attr_gpio_mask.attr, | |
1552 | &dev_attr_pwm1.attr, | |
1553 | &dev_attr_pwm2.attr, | |
1554 | &dev_attr_pwm3.attr, | |
1555 | &dev_attr_pwm1_enable.attr, | |
1556 | &dev_attr_pwm2_enable.attr, | |
1557 | &dev_attr_pwm3_enable.attr, | |
1558 | &dev_attr_temp1_auto_point1_pwm.attr, | |
1559 | &dev_attr_temp2_auto_point1_pwm.attr, | |
1560 | &dev_attr_temp3_auto_point1_pwm.attr, | |
1561 | &dev_attr_temp1_auto_point2_pwm.attr, | |
1562 | &dev_attr_temp2_auto_point2_pwm.attr, | |
1563 | &dev_attr_temp3_auto_point2_pwm.attr, | |
1564 | &dev_attr_analog_out.attr, | |
1565 | NULL | |
1566 | }; | |
1567 | ||
1568 | static const struct attribute_group adm1026_group = { | |
1569 | .attrs = adm1026_attributes, | |
1570 | }; | |
1571 | ||
c49efcef BD |
1572 | static int adm1026_detect(struct i2c_adapter *adapter, int address, |
1573 | int kind) | |
1da177e4 LT |
1574 | { |
1575 | int company, verstep; | |
1576 | struct i2c_client *new_client; | |
1577 | struct adm1026_data *data; | |
1578 | int err = 0; | |
1579 | const char *type_name = ""; | |
1580 | ||
1581 | if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) { | |
1582 | /* We need to be able to do byte I/O */ | |
1583 | goto exit; | |
1584 | }; | |
1585 | ||
1586 | /* OK. For now, we presume we have a valid client. We now create the | |
1587 | client structure, even though we cannot fill it completely yet. | |
1588 | But it allows us to access adm1026_{read,write}_value. */ | |
1589 | ||
ba9c2e8d | 1590 | if (!(data = kzalloc(sizeof(struct adm1026_data), GFP_KERNEL))) { |
1da177e4 LT |
1591 | err = -ENOMEM; |
1592 | goto exit; | |
1593 | } | |
1594 | ||
1da177e4 LT |
1595 | new_client = &data->client; |
1596 | i2c_set_clientdata(new_client, data); | |
1597 | new_client->addr = address; | |
1598 | new_client->adapter = adapter; | |
1599 | new_client->driver = &adm1026_driver; | |
1600 | new_client->flags = 0; | |
1601 | ||
1602 | /* Now, we do the remaining detection. */ | |
1603 | ||
1604 | company = adm1026_read_value(new_client, ADM1026_REG_COMPANY); | |
1605 | verstep = adm1026_read_value(new_client, ADM1026_REG_VERSTEP); | |
1606 | ||
1607 | dev_dbg(&new_client->dev, "Detecting device at %d,0x%02x with" | |
1608 | " COMPANY: 0x%02x and VERSTEP: 0x%02x\n", | |
1609 | i2c_adapter_id(new_client->adapter), new_client->addr, | |
1610 | company, verstep); | |
1611 | ||
1612 | /* If auto-detecting, Determine the chip type. */ | |
1613 | if (kind <= 0) { | |
1614 | dev_dbg(&new_client->dev, "Autodetecting device at %d,0x%02x " | |
1615 | "...\n", i2c_adapter_id(adapter), address); | |
1616 | if (company == ADM1026_COMPANY_ANALOG_DEV | |
1617 | && verstep == ADM1026_VERSTEP_ADM1026) { | |
1618 | kind = adm1026; | |
1619 | } else if (company == ADM1026_COMPANY_ANALOG_DEV | |
1620 | && (verstep & 0xf0) == ADM1026_VERSTEP_GENERIC) { | |
1621 | dev_err(&adapter->dev, ": Unrecognized stepping " | |
1622 | "0x%02x. Defaulting to ADM1026.\n", verstep); | |
1623 | kind = adm1026; | |
1624 | } else if ((verstep & 0xf0) == ADM1026_VERSTEP_GENERIC) { | |
1625 | dev_err(&adapter->dev, ": Found version/stepping " | |
1626 | "0x%02x. Assuming generic ADM1026.\n", | |
1627 | verstep); | |
1628 | kind = any_chip; | |
1629 | } else { | |
1630 | dev_dbg(&new_client->dev, ": Autodetection " | |
1631 | "failed\n"); | |
1632 | /* Not an ADM1026 ... */ | |
1633 | if (kind == 0) { /* User used force=x,y */ | |
1634 | dev_err(&adapter->dev, "Generic ADM1026 not " | |
1635 | "found at %d,0x%02x. Try " | |
1636 | "force_adm1026.\n", | |
1637 | i2c_adapter_id(adapter), address); | |
1638 | } | |
1639 | err = 0; | |
1640 | goto exitfree; | |
1641 | } | |
1642 | } | |
1643 | ||
1644 | /* Fill in the chip specific driver values */ | |
1645 | switch (kind) { | |
1646 | case any_chip : | |
1647 | type_name = "adm1026"; | |
1648 | break; | |
1649 | case adm1026 : | |
1650 | type_name = "adm1026"; | |
1651 | break; | |
1652 | default : | |
1653 | dev_err(&adapter->dev, ": Internal error, invalid " | |
1654 | "kind (%d)!", kind); | |
1655 | err = -EFAULT; | |
1656 | goto exitfree; | |
1657 | } | |
1658 | strlcpy(new_client->name, type_name, I2C_NAME_SIZE); | |
1659 | ||
1660 | /* Fill in the remaining client fields */ | |
1661 | data->type = kind; | |
1662 | data->valid = 0; | |
9a61bf63 | 1663 | mutex_init(&data->update_lock); |
1da177e4 LT |
1664 | |
1665 | /* Tell the I2C layer a new client has arrived */ | |
1666 | if ((err = i2c_attach_client(new_client))) | |
1667 | goto exitfree; | |
1668 | ||
1669 | /* Set the VRM version */ | |
303760b4 | 1670 | data->vrm = vid_which_vrm(); |
1da177e4 LT |
1671 | |
1672 | /* Initialize the ADM1026 chip */ | |
1673 | adm1026_init_client(new_client); | |
1674 | ||
1675 | /* Register sysfs hooks */ | |
681c6f7a MH |
1676 | if ((err = sysfs_create_group(&new_client->dev.kobj, &adm1026_group))) |
1677 | goto exitdetach; | |
1678 | ||
1beeffe4 TJ |
1679 | data->hwmon_dev = hwmon_device_register(&new_client->dev); |
1680 | if (IS_ERR(data->hwmon_dev)) { | |
1681 | err = PTR_ERR(data->hwmon_dev); | |
681c6f7a | 1682 | goto exitremove; |
943b0830 MH |
1683 | } |
1684 | ||
1da177e4 LT |
1685 | return 0; |
1686 | ||
1687 | /* Error out and cleanup code */ | |
681c6f7a MH |
1688 | exitremove: |
1689 | sysfs_remove_group(&new_client->dev.kobj, &adm1026_group); | |
943b0830 MH |
1690 | exitdetach: |
1691 | i2c_detach_client(new_client); | |
1da177e4 | 1692 | exitfree: |
1f57ff89 | 1693 | kfree(data); |
1da177e4 LT |
1694 | exit: |
1695 | return err; | |
1696 | } | |
681c6f7a MH |
1697 | |
1698 | static int adm1026_detach_client(struct i2c_client *client) | |
1699 | { | |
1700 | struct adm1026_data *data = i2c_get_clientdata(client); | |
1beeffe4 | 1701 | hwmon_device_unregister(data->hwmon_dev); |
681c6f7a MH |
1702 | sysfs_remove_group(&client->dev.kobj, &adm1026_group); |
1703 | i2c_detach_client(client); | |
1704 | kfree(data); | |
1705 | return 0; | |
1706 | } | |
1707 | ||
1da177e4 LT |
1708 | static int __init sm_adm1026_init(void) |
1709 | { | |
1710 | return i2c_add_driver(&adm1026_driver); | |
1711 | } | |
1712 | ||
1713 | static void __exit sm_adm1026_exit(void) | |
1714 | { | |
1715 | i2c_del_driver(&adm1026_driver); | |
1716 | } | |
1717 | ||
1718 | MODULE_LICENSE("GPL"); | |
1719 | MODULE_AUTHOR("Philip Pokorny <ppokorny@penguincomputing.com>, " | |
1720 | "Justin Thiessen <jthiessen@penguincomputing.com>"); | |
1721 | MODULE_DESCRIPTION("ADM1026 driver"); | |
1722 | ||
1723 | module_init(sm_adm1026_init); | |
1724 | module_exit(sm_adm1026_exit); |